From 5e9494900a23daacbe6f94a6fb0edd877a864413 Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Tue, 25 Oct 2016 16:02:19 -0700 Subject: [PATCH 01/31] Update LKG --- lib/cancellationToken.js | 2 - lib/lib.es2015.core.d.ts | 8 +- lib/lib.es6.d.ts | 8 +- lib/protocol.d.ts | 349 +- lib/tsc.js | 11052 ++-- lib/tsserver.js | 106981 ++++++++++++++++----------------- lib/tsserverlibrary.d.ts | 13279 +++- lib/tsserverlibrary.js | 106867 ++++++++++++++++---------------- lib/typescript.d.ts | 52 +- lib/typescript.js | 14579 ++--- lib/typescriptServices.d.ts | 52 +- lib/typescriptServices.js | 14579 ++--- lib/typingsInstaller.js | 1023 +- 13 files changed, 136290 insertions(+), 132541 deletions(-) diff --git a/lib/cancellationToken.js b/lib/cancellationToken.js index f5a28f8d52d7d..8af21172df4a0 100644 --- a/lib/cancellationToken.js +++ b/lib/cancellationToken.js @@ -39,5 +39,3 @@ function createCancellationToken(args) { }; } module.exports = createCancellationToken; - -//# sourceMappingURL=cancellationToken.js.map diff --git a/lib/lib.es2015.core.d.ts b/lib/lib.es2015.core.d.ts index 499d0de52db94..82e2761b759b5 100644 --- a/lib/lib.es2015.core.d.ts +++ b/lib/lib.es2015.core.d.ts @@ -225,13 +225,13 @@ interface NumberConstructor { * number. Only finite values of the type number, result in true. * @param number A numeric value. */ - isFinite(number: number): boolean; + isFinite(value: any): value is number; /** * Returns true if the value passed is an integer, false otherwise. * @param number A numeric value. */ - isInteger(number: number): boolean; + isInteger(value: any): value is number; /** * Returns a Boolean value that indicates whether a value is the reserved value NaN (not a @@ -239,13 +239,13 @@ interface NumberConstructor { * to a number. Only values of the type number, that are also NaN, result in true. * @param number A numeric value. */ - isNaN(number: number): boolean; + isNaN(value: any): value is number; /** * Returns true if the value passed is a safe integer. * @param number A numeric value. */ - isSafeInteger(number: number): boolean; + isSafeInteger(value: any): value is number; /** * The value of the largest integer n such that n and n + 1 are both exactly representable as diff --git a/lib/lib.es6.d.ts b/lib/lib.es6.d.ts index 1ace5f499b182..f9eac9c02f01f 100644 --- a/lib/lib.es6.d.ts +++ b/lib/lib.es6.d.ts @@ -4362,13 +4362,13 @@ interface NumberConstructor { * number. Only finite values of the type number, result in true. * @param number A numeric value. */ - isFinite(number: number): boolean; + isFinite(value: any): value is number; /** * Returns true if the value passed is an integer, false otherwise. * @param number A numeric value. */ - isInteger(number: number): boolean; + isInteger(value: any): value is number; /** * Returns a Boolean value that indicates whether a value is the reserved value NaN (not a @@ -4376,13 +4376,13 @@ interface NumberConstructor { * to a number. Only values of the type number, that are also NaN, result in true. * @param number A numeric value. */ - isNaN(number: number): boolean; + isNaN(value: any): value is number; /** * Returns true if the value passed is a safe integer. * @param number A numeric value. */ - isSafeInteger(number: number): boolean; + isSafeInteger(value: any): value is number; /** * The value of the largest integer n such that n and n + 1 are both exactly representable as diff --git a/lib/protocol.d.ts b/lib/protocol.d.ts index 2b57b5de64405..8cadd7d72fe02 100644 --- a/lib/protocol.d.ts +++ b/lib/protocol.d.ts @@ -59,7 +59,7 @@ declare namespace ts.server.protocol { /** * One of "request", "response", or "event" */ - type: string; + type: "request" | "response" | "event"; } /** * Client-initiated request message @@ -653,7 +653,7 @@ declare namespace ts.server.protocol { /** * Script kind of the file */ - scriptKind?: ScriptKind; + scriptKind?: ScriptKindName | ts.ScriptKind; /** * Whether file has mixed content (i.e. .cshtml file that combines html markup with C#/JavaScript) */ @@ -684,37 +684,17 @@ declare namespace ts.server.protocol { */ typingOptions?: TypingOptions; } - /** - * For external projects, some of the project settings are sent together with - * compiler settings. - */ - interface ExternalProjectCompilerOptions extends CompilerOptions { + interface CompileOnSaveMixin { /** * If compile on save is enabled for the project */ compileOnSave?: boolean; } /** - * Contains information about current project version + * For external projects, some of the project settings are sent together with + * compiler settings. */ - interface ProjectVersionInfo { - /** - * Project name - */ - projectName: string; - /** - * true if project is inferred or false if project is external or configured - */ - isInferred: boolean; - /** - * Project version - */ - version: number; - /** - * Current set of compiler options for project - */ - options: CompilerOptions; - } + type ExternalProjectCompilerOptions = CompilerOptions & CompileOnSaveMixin; /** * Represents a set of changes that happen in project */ @@ -728,36 +708,6 @@ declare namespace ts.server.protocol { */ removed: string[]; } - /** - * Describes set of files in the project. - * info might be omitted in case of inferred projects - * if files is set - then this is the entire set of files in the project - * if changes is set - then this is the set of changes that should be applied to existing project - * otherwise - assume that nothing is changed - */ - interface ProjectFiles { - /** - * Information abount project verison - */ - info?: ProjectVersionInfo; - /** - * List of files in project (might be omitted if current state of project can be computed using only information from 'changes') - */ - files?: string[]; - /** - * Set of changes in project (omitted if the entire set of files in project should be replaced) - */ - changes?: ProjectChanges; - } - /** - * Combines project information with project level errors. - */ - interface ProjectFilesWithDiagnostics extends ProjectFiles { - /** - * List of errors in project - */ - projectErrors: DiagnosticWithLinePosition[]; - } /** * Information found in a configure request. */ @@ -803,8 +753,9 @@ declare namespace ts.server.protocol { * Used to specify the script kind of the file explicitly. It could be one of the following: * "TS", "JS", "TSX", "JSX" */ - scriptKindName?: "TS" | "JS" | "TSX" | "JSX"; + scriptKindName?: ScriptKindName; } + type ScriptKindName = "TS" | "JS" | "TSX" | "JSX"; /** * Open request; value of command field is "open". Notify the * server that the client has file open. The server will not @@ -878,15 +829,6 @@ declare namespace ts.server.protocol { */ interface CloseExternalProjectResponse extends Response { } - /** - * Arguments to SynchronizeProjectListRequest - */ - interface SynchronizeProjectListRequestArgs { - /** - * List of last known projects - */ - knownProjects: protocol.ProjectVersionInfo[]; - } /** * Request to set compiler options for inferred projects. * External projects are opened / closed explicitly. @@ -1675,6 +1617,128 @@ declare namespace ts.server.protocol { interface NavTreeResponse extends Response { body?: NavigationTree; } + namespace IndentStyle { + type None = "None"; + type Block = "Block"; + type Smart = "Smart"; + } + type IndentStyle = IndentStyle.None | IndentStyle.Block | IndentStyle.Smart; + interface EditorSettings { + baseIndentSize?: number; + indentSize?: number; + tabSize?: number; + newLineCharacter?: string; + convertTabsToSpaces?: boolean; + indentStyle?: IndentStyle | ts.IndentStyle; + } + interface FormatCodeSettings extends EditorSettings { + insertSpaceAfterCommaDelimiter?: boolean; + insertSpaceAfterSemicolonInForStatements?: boolean; + insertSpaceBeforeAndAfterBinaryOperators?: boolean; + insertSpaceAfterKeywordsInControlFlowStatements?: boolean; + insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean; + insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean; + insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean; + insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean; + insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; + placeOpenBraceOnNewLineForFunctions?: boolean; + placeOpenBraceOnNewLineForControlBlocks?: boolean; + } + interface CompilerOptions { + allowJs?: boolean; + allowSyntheticDefaultImports?: boolean; + allowUnreachableCode?: boolean; + allowUnusedLabels?: boolean; + baseUrl?: string; + charset?: string; + declaration?: boolean; + declarationDir?: string; + disableSizeLimit?: boolean; + emitBOM?: boolean; + emitDecoratorMetadata?: boolean; + experimentalDecorators?: boolean; + forceConsistentCasingInFileNames?: boolean; + inlineSourceMap?: boolean; + inlineSources?: boolean; + isolatedModules?: boolean; + jsx?: JsxEmit | ts.JsxEmit; + lib?: string[]; + locale?: string; + mapRoot?: string; + maxNodeModuleJsDepth?: number; + module?: ModuleKind | ts.ModuleKind; + moduleResolution?: ModuleResolutionKind | ts.ModuleResolutionKind; + newLine?: NewLineKind | ts.NewLineKind; + noEmit?: boolean; + noEmitHelpers?: boolean; + noEmitOnError?: boolean; + noErrorTruncation?: boolean; + noFallthroughCasesInSwitch?: boolean; + noImplicitAny?: boolean; + noImplicitReturns?: boolean; + noImplicitThis?: boolean; + noUnusedLocals?: boolean; + noUnusedParameters?: boolean; + noImplicitUseStrict?: boolean; + noLib?: boolean; + noResolve?: boolean; + out?: string; + outDir?: string; + outFile?: string; + paths?: MapLike; + preserveConstEnums?: boolean; + project?: string; + reactNamespace?: string; + removeComments?: boolean; + rootDir?: string; + rootDirs?: string[]; + skipLibCheck?: boolean; + skipDefaultLibCheck?: boolean; + sourceMap?: boolean; + sourceRoot?: string; + strictNullChecks?: boolean; + suppressExcessPropertyErrors?: boolean; + suppressImplicitAnyIndexErrors?: boolean; + target?: ScriptTarget | ts.ScriptTarget; + traceResolution?: boolean; + types?: string[]; + /** Paths used to used to compute primary types search locations */ + typeRoots?: string[]; + [option: string]: CompilerOptionsValue | undefined; + } + namespace JsxEmit { + type None = "None"; + type Preserve = "Preserve"; + type React = "React"; + } + type JsxEmit = JsxEmit.None | JsxEmit.Preserve | JsxEmit.React; + namespace ModuleKind { + type None = "None"; + type CommonJS = "CommonJS"; + type AMD = "AMD"; + type UMD = "UMD"; + type System = "System"; + type ES6 = "ES6"; + type ES2015 = "ES2015"; + } + type ModuleKind = ModuleKind.None | ModuleKind.CommonJS | ModuleKind.AMD | ModuleKind.UMD | ModuleKind.System | ModuleKind.ES6 | ModuleKind.ES2015; + namespace ModuleResolutionKind { + type Classic = "Classic"; + type Node = "Node"; + } + type ModuleResolutionKind = ModuleResolutionKind.Classic | ModuleResolutionKind.Node; + namespace NewLineKind { + type Crlf = "Crlf"; + type Lf = "Lf"; + } + type NewLineKind = NewLineKind.Crlf | NewLineKind.Lf; + namespace ScriptTarget { + type ES3 = "ES3"; + type ES5 = "ES5"; + type ES6 = "ES6"; + type ES2015 = "ES2015"; + } + type ScriptTarget = ScriptTarget.ES3 | ScriptTarget.ES5 | ScriptTarget.ES6 | ScriptTarget.ES2015; } declare namespace ts.server.protocol { @@ -1695,29 +1759,6 @@ declare namespace ts.server.protocol { position: number; } - interface EditorSettings { - baseIndentSize?: number; - indentSize?: number; - tabSize?: number; - newLineCharacter?: string; - convertTabsToSpaces?: boolean; - indentStyle?: IndentStyle; - } - - enum IndentStyle { - None = 0, - Block = 1, - Smart = 2, - } - - enum ScriptKind { - Unknown = 0, - JS = 1, - JSX = 2, - TS = 3, - TSX = 4, - } - interface TypingOptions { enableAutoDiscovery?: boolean; include?: string[]; @@ -1725,124 +1766,22 @@ declare namespace ts.server.protocol { [option: string]: string[] | boolean | undefined; } - interface CompilerOptions { - allowJs?: boolean; - allowSyntheticDefaultImports?: boolean; - allowUnreachableCode?: boolean; - allowUnusedLabels?: boolean; - alwaysStrict?: boolean; - baseUrl?: string; - charset?: string; - declaration?: boolean; - declarationDir?: string; - disableSizeLimit?: boolean; - emitBOM?: boolean; - emitDecoratorMetadata?: boolean; - experimentalDecorators?: boolean; - forceConsistentCasingInFileNames?: boolean; - importHelpers?: boolean; - inlineSourceMap?: boolean; - inlineSources?: boolean; - isolatedModules?: boolean; - jsx?: JsxEmit; - lib?: string[]; - locale?: string; - mapRoot?: string; - maxNodeModuleJsDepth?: number; - module?: ModuleKind; - moduleResolution?: ModuleResolutionKind; - newLine?: NewLineKind; - noEmit?: boolean; - noEmitHelpers?: boolean; - noEmitOnError?: boolean; - noErrorTruncation?: boolean; - noFallthroughCasesInSwitch?: boolean; - noImplicitAny?: boolean; - noImplicitReturns?: boolean; - noImplicitThis?: boolean; - noUnusedLocals?: boolean; - noUnusedParameters?: boolean; - noImplicitUseStrict?: boolean; - noLib?: boolean; - noResolve?: boolean; - out?: string; - outDir?: string; - outFile?: string; - paths?: MapLike; - preserveConstEnums?: boolean; - project?: string; - reactNamespace?: string; - removeComments?: boolean; - rootDir?: string; - rootDirs?: string[]; - skipLibCheck?: boolean; - skipDefaultLibCheck?: boolean; - sourceMap?: boolean; - sourceRoot?: string; - strictNullChecks?: boolean; - suppressExcessPropertyErrors?: boolean; - suppressImplicitAnyIndexErrors?: boolean; - target?: ScriptTarget; - traceResolution?: boolean; - types?: string[]; - /** Paths used to used to compute primary types search locations */ - typeRoots?: string[]; - [option: string]: CompilerOptionsValue | undefined; - } - - enum JsxEmit { - None = 0, - Preserve = 1, - React = 2, - } - - enum ModuleKind { - None = 0, - CommonJS = 1, - AMD = 2, - UMD = 3, - System = 4, - ES6 = 5, - ES2015 = 5, - } - - enum ModuleResolutionKind { - Classic = 1, - NodeJs = 2, - } - - enum NewLineKind { - CarriageReturnLineFeed = 0, - LineFeed = 1, - } - interface MapLike { [index: string]: T; } - enum ScriptTarget { - ES3 = 0, - ES5 = 1, - ES6 = 2, - ES2015 = 2, - Latest = 2, - } - type CompilerOptionsValue = string | number | boolean | (string | number)[] | string[] | MapLike; - - interface FormatCodeSettings extends EditorSettings { - insertSpaceAfterCommaDelimiter?: boolean; - insertSpaceAfterSemicolonInForStatements?: boolean; - insertSpaceBeforeAndAfterBinaryOperators?: boolean; - insertSpaceAfterKeywordsInControlFlowStatements?: boolean; - insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean; - insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean; - insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; - insertSpaceAfterTypeAssertion?: boolean; - placeOpenBraceOnNewLineForFunctions?: boolean; - placeOpenBraceOnNewLineForControlBlocks?: boolean; - } -} \ No newline at end of file +} +declare namespace ts { + // these types are empty stubs for types from services and should not be used directly + export type ScriptKind = never; + export type IndentStyle = never; + export type JsxEmit = never; + export type ModuleKind = never; + export type ModuleResolutionKind = never; + export type NewLineKind = never; + export type ScriptTarget = never; +} +import protocol = ts.server.protocol; +export = protocol; +export as namespace protocol; \ No newline at end of file diff --git a/lib/tsc.js b/lib/tsc.js index fbfe07a4588d2..22c7f45034a0f 100644 --- a/lib/tsc.js +++ b/lib/tsc.js @@ -15,418 +15,6 @@ and limitations under the License. var ts; (function (ts) { - (function (SyntaxKind) { - SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; - SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; - SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; - SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; - SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; - SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; - SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; - SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; - SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; - SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; - SyntaxKind[SyntaxKind["JsxText"] = 10] = "JsxText"; - SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 11] = "RegularExpressionLiteral"; - SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 12] = "NoSubstitutionTemplateLiteral"; - SyntaxKind[SyntaxKind["TemplateHead"] = 13] = "TemplateHead"; - SyntaxKind[SyntaxKind["TemplateMiddle"] = 14] = "TemplateMiddle"; - SyntaxKind[SyntaxKind["TemplateTail"] = 15] = "TemplateTail"; - SyntaxKind[SyntaxKind["OpenBraceToken"] = 16] = "OpenBraceToken"; - SyntaxKind[SyntaxKind["CloseBraceToken"] = 17] = "CloseBraceToken"; - SyntaxKind[SyntaxKind["OpenParenToken"] = 18] = "OpenParenToken"; - SyntaxKind[SyntaxKind["CloseParenToken"] = 19] = "CloseParenToken"; - SyntaxKind[SyntaxKind["OpenBracketToken"] = 20] = "OpenBracketToken"; - SyntaxKind[SyntaxKind["CloseBracketToken"] = 21] = "CloseBracketToken"; - SyntaxKind[SyntaxKind["DotToken"] = 22] = "DotToken"; - SyntaxKind[SyntaxKind["DotDotDotToken"] = 23] = "DotDotDotToken"; - SyntaxKind[SyntaxKind["SemicolonToken"] = 24] = "SemicolonToken"; - SyntaxKind[SyntaxKind["CommaToken"] = 25] = "CommaToken"; - SyntaxKind[SyntaxKind["LessThanToken"] = 26] = "LessThanToken"; - SyntaxKind[SyntaxKind["LessThanSlashToken"] = 27] = "LessThanSlashToken"; - SyntaxKind[SyntaxKind["GreaterThanToken"] = 28] = "GreaterThanToken"; - SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 29] = "LessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 30] = "GreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 31] = "EqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 32] = "ExclamationEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 33] = "EqualsEqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 34] = "ExclamationEqualsEqualsToken"; - SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 35] = "EqualsGreaterThanToken"; - SyntaxKind[SyntaxKind["PlusToken"] = 36] = "PlusToken"; - SyntaxKind[SyntaxKind["MinusToken"] = 37] = "MinusToken"; - SyntaxKind[SyntaxKind["AsteriskToken"] = 38] = "AsteriskToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 39] = "AsteriskAsteriskToken"; - SyntaxKind[SyntaxKind["SlashToken"] = 40] = "SlashToken"; - SyntaxKind[SyntaxKind["PercentToken"] = 41] = "PercentToken"; - SyntaxKind[SyntaxKind["PlusPlusToken"] = 42] = "PlusPlusToken"; - SyntaxKind[SyntaxKind["MinusMinusToken"] = 43] = "MinusMinusToken"; - SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 44] = "LessThanLessThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 46] = "GreaterThanGreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["AmpersandToken"] = 47] = "AmpersandToken"; - SyntaxKind[SyntaxKind["BarToken"] = 48] = "BarToken"; - SyntaxKind[SyntaxKind["CaretToken"] = 49] = "CaretToken"; - SyntaxKind[SyntaxKind["ExclamationToken"] = 50] = "ExclamationToken"; - SyntaxKind[SyntaxKind["TildeToken"] = 51] = "TildeToken"; - SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 52] = "AmpersandAmpersandToken"; - SyntaxKind[SyntaxKind["BarBarToken"] = 53] = "BarBarToken"; - SyntaxKind[SyntaxKind["QuestionToken"] = 54] = "QuestionToken"; - SyntaxKind[SyntaxKind["ColonToken"] = 55] = "ColonToken"; - SyntaxKind[SyntaxKind["AtToken"] = 56] = "AtToken"; - SyntaxKind[SyntaxKind["EqualsToken"] = 57] = "EqualsToken"; - SyntaxKind[SyntaxKind["PlusEqualsToken"] = 58] = "PlusEqualsToken"; - SyntaxKind[SyntaxKind["MinusEqualsToken"] = 59] = "MinusEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 60] = "AsteriskEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 61] = "AsteriskAsteriskEqualsToken"; - SyntaxKind[SyntaxKind["SlashEqualsToken"] = 62] = "SlashEqualsToken"; - SyntaxKind[SyntaxKind["PercentEqualsToken"] = 63] = "PercentEqualsToken"; - SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 64] = "LessThanLessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 66] = "GreaterThanGreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 67] = "AmpersandEqualsToken"; - SyntaxKind[SyntaxKind["BarEqualsToken"] = 68] = "BarEqualsToken"; - SyntaxKind[SyntaxKind["CaretEqualsToken"] = 69] = "CaretEqualsToken"; - SyntaxKind[SyntaxKind["Identifier"] = 70] = "Identifier"; - SyntaxKind[SyntaxKind["BreakKeyword"] = 71] = "BreakKeyword"; - SyntaxKind[SyntaxKind["CaseKeyword"] = 72] = "CaseKeyword"; - SyntaxKind[SyntaxKind["CatchKeyword"] = 73] = "CatchKeyword"; - SyntaxKind[SyntaxKind["ClassKeyword"] = 74] = "ClassKeyword"; - SyntaxKind[SyntaxKind["ConstKeyword"] = 75] = "ConstKeyword"; - SyntaxKind[SyntaxKind["ContinueKeyword"] = 76] = "ContinueKeyword"; - SyntaxKind[SyntaxKind["DebuggerKeyword"] = 77] = "DebuggerKeyword"; - SyntaxKind[SyntaxKind["DefaultKeyword"] = 78] = "DefaultKeyword"; - SyntaxKind[SyntaxKind["DeleteKeyword"] = 79] = "DeleteKeyword"; - SyntaxKind[SyntaxKind["DoKeyword"] = 80] = "DoKeyword"; - SyntaxKind[SyntaxKind["ElseKeyword"] = 81] = "ElseKeyword"; - SyntaxKind[SyntaxKind["EnumKeyword"] = 82] = "EnumKeyword"; - SyntaxKind[SyntaxKind["ExportKeyword"] = 83] = "ExportKeyword"; - SyntaxKind[SyntaxKind["ExtendsKeyword"] = 84] = "ExtendsKeyword"; - SyntaxKind[SyntaxKind["FalseKeyword"] = 85] = "FalseKeyword"; - SyntaxKind[SyntaxKind["FinallyKeyword"] = 86] = "FinallyKeyword"; - SyntaxKind[SyntaxKind["ForKeyword"] = 87] = "ForKeyword"; - SyntaxKind[SyntaxKind["FunctionKeyword"] = 88] = "FunctionKeyword"; - SyntaxKind[SyntaxKind["IfKeyword"] = 89] = "IfKeyword"; - SyntaxKind[SyntaxKind["ImportKeyword"] = 90] = "ImportKeyword"; - SyntaxKind[SyntaxKind["InKeyword"] = 91] = "InKeyword"; - SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 92] = "InstanceOfKeyword"; - SyntaxKind[SyntaxKind["NewKeyword"] = 93] = "NewKeyword"; - SyntaxKind[SyntaxKind["NullKeyword"] = 94] = "NullKeyword"; - SyntaxKind[SyntaxKind["ReturnKeyword"] = 95] = "ReturnKeyword"; - SyntaxKind[SyntaxKind["SuperKeyword"] = 96] = "SuperKeyword"; - SyntaxKind[SyntaxKind["SwitchKeyword"] = 97] = "SwitchKeyword"; - SyntaxKind[SyntaxKind["ThisKeyword"] = 98] = "ThisKeyword"; - SyntaxKind[SyntaxKind["ThrowKeyword"] = 99] = "ThrowKeyword"; - SyntaxKind[SyntaxKind["TrueKeyword"] = 100] = "TrueKeyword"; - SyntaxKind[SyntaxKind["TryKeyword"] = 101] = "TryKeyword"; - SyntaxKind[SyntaxKind["TypeOfKeyword"] = 102] = "TypeOfKeyword"; - SyntaxKind[SyntaxKind["VarKeyword"] = 103] = "VarKeyword"; - SyntaxKind[SyntaxKind["VoidKeyword"] = 104] = "VoidKeyword"; - SyntaxKind[SyntaxKind["WhileKeyword"] = 105] = "WhileKeyword"; - SyntaxKind[SyntaxKind["WithKeyword"] = 106] = "WithKeyword"; - SyntaxKind[SyntaxKind["ImplementsKeyword"] = 107] = "ImplementsKeyword"; - SyntaxKind[SyntaxKind["InterfaceKeyword"] = 108] = "InterfaceKeyword"; - SyntaxKind[SyntaxKind["LetKeyword"] = 109] = "LetKeyword"; - SyntaxKind[SyntaxKind["PackageKeyword"] = 110] = "PackageKeyword"; - SyntaxKind[SyntaxKind["PrivateKeyword"] = 111] = "PrivateKeyword"; - SyntaxKind[SyntaxKind["ProtectedKeyword"] = 112] = "ProtectedKeyword"; - SyntaxKind[SyntaxKind["PublicKeyword"] = 113] = "PublicKeyword"; - SyntaxKind[SyntaxKind["StaticKeyword"] = 114] = "StaticKeyword"; - SyntaxKind[SyntaxKind["YieldKeyword"] = 115] = "YieldKeyword"; - SyntaxKind[SyntaxKind["AbstractKeyword"] = 116] = "AbstractKeyword"; - SyntaxKind[SyntaxKind["AsKeyword"] = 117] = "AsKeyword"; - SyntaxKind[SyntaxKind["AnyKeyword"] = 118] = "AnyKeyword"; - SyntaxKind[SyntaxKind["AsyncKeyword"] = 119] = "AsyncKeyword"; - SyntaxKind[SyntaxKind["AwaitKeyword"] = 120] = "AwaitKeyword"; - SyntaxKind[SyntaxKind["BooleanKeyword"] = 121] = "BooleanKeyword"; - SyntaxKind[SyntaxKind["ConstructorKeyword"] = 122] = "ConstructorKeyword"; - SyntaxKind[SyntaxKind["DeclareKeyword"] = 123] = "DeclareKeyword"; - SyntaxKind[SyntaxKind["GetKeyword"] = 124] = "GetKeyword"; - SyntaxKind[SyntaxKind["IsKeyword"] = 125] = "IsKeyword"; - SyntaxKind[SyntaxKind["ModuleKeyword"] = 126] = "ModuleKeyword"; - SyntaxKind[SyntaxKind["NamespaceKeyword"] = 127] = "NamespaceKeyword"; - SyntaxKind[SyntaxKind["NeverKeyword"] = 128] = "NeverKeyword"; - SyntaxKind[SyntaxKind["ReadonlyKeyword"] = 129] = "ReadonlyKeyword"; - SyntaxKind[SyntaxKind["RequireKeyword"] = 130] = "RequireKeyword"; - SyntaxKind[SyntaxKind["NumberKeyword"] = 131] = "NumberKeyword"; - SyntaxKind[SyntaxKind["SetKeyword"] = 132] = "SetKeyword"; - SyntaxKind[SyntaxKind["StringKeyword"] = 133] = "StringKeyword"; - SyntaxKind[SyntaxKind["SymbolKeyword"] = 134] = "SymbolKeyword"; - SyntaxKind[SyntaxKind["TypeKeyword"] = 135] = "TypeKeyword"; - SyntaxKind[SyntaxKind["UndefinedKeyword"] = 136] = "UndefinedKeyword"; - SyntaxKind[SyntaxKind["FromKeyword"] = 137] = "FromKeyword"; - SyntaxKind[SyntaxKind["GlobalKeyword"] = 138] = "GlobalKeyword"; - SyntaxKind[SyntaxKind["OfKeyword"] = 139] = "OfKeyword"; - SyntaxKind[SyntaxKind["QualifiedName"] = 140] = "QualifiedName"; - SyntaxKind[SyntaxKind["ComputedPropertyName"] = 141] = "ComputedPropertyName"; - SyntaxKind[SyntaxKind["TypeParameter"] = 142] = "TypeParameter"; - SyntaxKind[SyntaxKind["Parameter"] = 143] = "Parameter"; - SyntaxKind[SyntaxKind["Decorator"] = 144] = "Decorator"; - SyntaxKind[SyntaxKind["PropertySignature"] = 145] = "PropertySignature"; - SyntaxKind[SyntaxKind["PropertyDeclaration"] = 146] = "PropertyDeclaration"; - SyntaxKind[SyntaxKind["MethodSignature"] = 147] = "MethodSignature"; - SyntaxKind[SyntaxKind["MethodDeclaration"] = 148] = "MethodDeclaration"; - SyntaxKind[SyntaxKind["Constructor"] = 149] = "Constructor"; - SyntaxKind[SyntaxKind["GetAccessor"] = 150] = "GetAccessor"; - SyntaxKind[SyntaxKind["SetAccessor"] = 151] = "SetAccessor"; - SyntaxKind[SyntaxKind["CallSignature"] = 152] = "CallSignature"; - SyntaxKind[SyntaxKind["ConstructSignature"] = 153] = "ConstructSignature"; - SyntaxKind[SyntaxKind["IndexSignature"] = 154] = "IndexSignature"; - SyntaxKind[SyntaxKind["TypePredicate"] = 155] = "TypePredicate"; - SyntaxKind[SyntaxKind["TypeReference"] = 156] = "TypeReference"; - SyntaxKind[SyntaxKind["FunctionType"] = 157] = "FunctionType"; - SyntaxKind[SyntaxKind["ConstructorType"] = 158] = "ConstructorType"; - SyntaxKind[SyntaxKind["TypeQuery"] = 159] = "TypeQuery"; - SyntaxKind[SyntaxKind["TypeLiteral"] = 160] = "TypeLiteral"; - SyntaxKind[SyntaxKind["ArrayType"] = 161] = "ArrayType"; - SyntaxKind[SyntaxKind["TupleType"] = 162] = "TupleType"; - SyntaxKind[SyntaxKind["UnionType"] = 163] = "UnionType"; - SyntaxKind[SyntaxKind["IntersectionType"] = 164] = "IntersectionType"; - SyntaxKind[SyntaxKind["ParenthesizedType"] = 165] = "ParenthesizedType"; - SyntaxKind[SyntaxKind["ThisType"] = 166] = "ThisType"; - SyntaxKind[SyntaxKind["LiteralType"] = 167] = "LiteralType"; - SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 168] = "ObjectBindingPattern"; - SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 169] = "ArrayBindingPattern"; - SyntaxKind[SyntaxKind["BindingElement"] = 170] = "BindingElement"; - SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 171] = "ArrayLiteralExpression"; - SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 172] = "ObjectLiteralExpression"; - SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 173] = "PropertyAccessExpression"; - SyntaxKind[SyntaxKind["ElementAccessExpression"] = 174] = "ElementAccessExpression"; - SyntaxKind[SyntaxKind["CallExpression"] = 175] = "CallExpression"; - SyntaxKind[SyntaxKind["NewExpression"] = 176] = "NewExpression"; - SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 177] = "TaggedTemplateExpression"; - SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 178] = "TypeAssertionExpression"; - SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 179] = "ParenthesizedExpression"; - SyntaxKind[SyntaxKind["FunctionExpression"] = 180] = "FunctionExpression"; - SyntaxKind[SyntaxKind["ArrowFunction"] = 181] = "ArrowFunction"; - SyntaxKind[SyntaxKind["DeleteExpression"] = 182] = "DeleteExpression"; - SyntaxKind[SyntaxKind["TypeOfExpression"] = 183] = "TypeOfExpression"; - SyntaxKind[SyntaxKind["VoidExpression"] = 184] = "VoidExpression"; - SyntaxKind[SyntaxKind["AwaitExpression"] = 185] = "AwaitExpression"; - SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 186] = "PrefixUnaryExpression"; - SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 187] = "PostfixUnaryExpression"; - SyntaxKind[SyntaxKind["BinaryExpression"] = 188] = "BinaryExpression"; - SyntaxKind[SyntaxKind["ConditionalExpression"] = 189] = "ConditionalExpression"; - SyntaxKind[SyntaxKind["TemplateExpression"] = 190] = "TemplateExpression"; - SyntaxKind[SyntaxKind["YieldExpression"] = 191] = "YieldExpression"; - SyntaxKind[SyntaxKind["SpreadElementExpression"] = 192] = "SpreadElementExpression"; - SyntaxKind[SyntaxKind["ClassExpression"] = 193] = "ClassExpression"; - SyntaxKind[SyntaxKind["OmittedExpression"] = 194] = "OmittedExpression"; - SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 195] = "ExpressionWithTypeArguments"; - SyntaxKind[SyntaxKind["AsExpression"] = 196] = "AsExpression"; - SyntaxKind[SyntaxKind["NonNullExpression"] = 197] = "NonNullExpression"; - SyntaxKind[SyntaxKind["TemplateSpan"] = 198] = "TemplateSpan"; - SyntaxKind[SyntaxKind["SemicolonClassElement"] = 199] = "SemicolonClassElement"; - SyntaxKind[SyntaxKind["Block"] = 200] = "Block"; - SyntaxKind[SyntaxKind["VariableStatement"] = 201] = "VariableStatement"; - SyntaxKind[SyntaxKind["EmptyStatement"] = 202] = "EmptyStatement"; - SyntaxKind[SyntaxKind["ExpressionStatement"] = 203] = "ExpressionStatement"; - SyntaxKind[SyntaxKind["IfStatement"] = 204] = "IfStatement"; - SyntaxKind[SyntaxKind["DoStatement"] = 205] = "DoStatement"; - SyntaxKind[SyntaxKind["WhileStatement"] = 206] = "WhileStatement"; - SyntaxKind[SyntaxKind["ForStatement"] = 207] = "ForStatement"; - SyntaxKind[SyntaxKind["ForInStatement"] = 208] = "ForInStatement"; - SyntaxKind[SyntaxKind["ForOfStatement"] = 209] = "ForOfStatement"; - SyntaxKind[SyntaxKind["ContinueStatement"] = 210] = "ContinueStatement"; - SyntaxKind[SyntaxKind["BreakStatement"] = 211] = "BreakStatement"; - SyntaxKind[SyntaxKind["ReturnStatement"] = 212] = "ReturnStatement"; - SyntaxKind[SyntaxKind["WithStatement"] = 213] = "WithStatement"; - SyntaxKind[SyntaxKind["SwitchStatement"] = 214] = "SwitchStatement"; - SyntaxKind[SyntaxKind["LabeledStatement"] = 215] = "LabeledStatement"; - SyntaxKind[SyntaxKind["ThrowStatement"] = 216] = "ThrowStatement"; - SyntaxKind[SyntaxKind["TryStatement"] = 217] = "TryStatement"; - SyntaxKind[SyntaxKind["DebuggerStatement"] = 218] = "DebuggerStatement"; - SyntaxKind[SyntaxKind["VariableDeclaration"] = 219] = "VariableDeclaration"; - SyntaxKind[SyntaxKind["VariableDeclarationList"] = 220] = "VariableDeclarationList"; - SyntaxKind[SyntaxKind["FunctionDeclaration"] = 221] = "FunctionDeclaration"; - SyntaxKind[SyntaxKind["ClassDeclaration"] = 222] = "ClassDeclaration"; - SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 223] = "InterfaceDeclaration"; - SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 224] = "TypeAliasDeclaration"; - SyntaxKind[SyntaxKind["EnumDeclaration"] = 225] = "EnumDeclaration"; - SyntaxKind[SyntaxKind["ModuleDeclaration"] = 226] = "ModuleDeclaration"; - SyntaxKind[SyntaxKind["ModuleBlock"] = 227] = "ModuleBlock"; - SyntaxKind[SyntaxKind["CaseBlock"] = 228] = "CaseBlock"; - SyntaxKind[SyntaxKind["NamespaceExportDeclaration"] = 229] = "NamespaceExportDeclaration"; - SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 230] = "ImportEqualsDeclaration"; - SyntaxKind[SyntaxKind["ImportDeclaration"] = 231] = "ImportDeclaration"; - SyntaxKind[SyntaxKind["ImportClause"] = 232] = "ImportClause"; - SyntaxKind[SyntaxKind["NamespaceImport"] = 233] = "NamespaceImport"; - SyntaxKind[SyntaxKind["NamedImports"] = 234] = "NamedImports"; - SyntaxKind[SyntaxKind["ImportSpecifier"] = 235] = "ImportSpecifier"; - SyntaxKind[SyntaxKind["ExportAssignment"] = 236] = "ExportAssignment"; - SyntaxKind[SyntaxKind["ExportDeclaration"] = 237] = "ExportDeclaration"; - SyntaxKind[SyntaxKind["NamedExports"] = 238] = "NamedExports"; - SyntaxKind[SyntaxKind["ExportSpecifier"] = 239] = "ExportSpecifier"; - SyntaxKind[SyntaxKind["MissingDeclaration"] = 240] = "MissingDeclaration"; - SyntaxKind[SyntaxKind["ExternalModuleReference"] = 241] = "ExternalModuleReference"; - SyntaxKind[SyntaxKind["JsxElement"] = 242] = "JsxElement"; - SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 243] = "JsxSelfClosingElement"; - SyntaxKind[SyntaxKind["JsxOpeningElement"] = 244] = "JsxOpeningElement"; - SyntaxKind[SyntaxKind["JsxClosingElement"] = 245] = "JsxClosingElement"; - SyntaxKind[SyntaxKind["JsxAttribute"] = 246] = "JsxAttribute"; - SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 247] = "JsxSpreadAttribute"; - SyntaxKind[SyntaxKind["JsxExpression"] = 248] = "JsxExpression"; - SyntaxKind[SyntaxKind["CaseClause"] = 249] = "CaseClause"; - SyntaxKind[SyntaxKind["DefaultClause"] = 250] = "DefaultClause"; - SyntaxKind[SyntaxKind["HeritageClause"] = 251] = "HeritageClause"; - SyntaxKind[SyntaxKind["CatchClause"] = 252] = "CatchClause"; - SyntaxKind[SyntaxKind["PropertyAssignment"] = 253] = "PropertyAssignment"; - SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 254] = "ShorthandPropertyAssignment"; - SyntaxKind[SyntaxKind["EnumMember"] = 255] = "EnumMember"; - SyntaxKind[SyntaxKind["SourceFile"] = 256] = "SourceFile"; - SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 257] = "JSDocTypeExpression"; - SyntaxKind[SyntaxKind["JSDocAllType"] = 258] = "JSDocAllType"; - SyntaxKind[SyntaxKind["JSDocUnknownType"] = 259] = "JSDocUnknownType"; - SyntaxKind[SyntaxKind["JSDocArrayType"] = 260] = "JSDocArrayType"; - SyntaxKind[SyntaxKind["JSDocUnionType"] = 261] = "JSDocUnionType"; - SyntaxKind[SyntaxKind["JSDocTupleType"] = 262] = "JSDocTupleType"; - SyntaxKind[SyntaxKind["JSDocNullableType"] = 263] = "JSDocNullableType"; - SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 264] = "JSDocNonNullableType"; - SyntaxKind[SyntaxKind["JSDocRecordType"] = 265] = "JSDocRecordType"; - SyntaxKind[SyntaxKind["JSDocRecordMember"] = 266] = "JSDocRecordMember"; - SyntaxKind[SyntaxKind["JSDocTypeReference"] = 267] = "JSDocTypeReference"; - SyntaxKind[SyntaxKind["JSDocOptionalType"] = 268] = "JSDocOptionalType"; - SyntaxKind[SyntaxKind["JSDocFunctionType"] = 269] = "JSDocFunctionType"; - SyntaxKind[SyntaxKind["JSDocVariadicType"] = 270] = "JSDocVariadicType"; - SyntaxKind[SyntaxKind["JSDocConstructorType"] = 271] = "JSDocConstructorType"; - SyntaxKind[SyntaxKind["JSDocThisType"] = 272] = "JSDocThisType"; - SyntaxKind[SyntaxKind["JSDocComment"] = 273] = "JSDocComment"; - SyntaxKind[SyntaxKind["JSDocTag"] = 274] = "JSDocTag"; - SyntaxKind[SyntaxKind["JSDocParameterTag"] = 275] = "JSDocParameterTag"; - SyntaxKind[SyntaxKind["JSDocReturnTag"] = 276] = "JSDocReturnTag"; - SyntaxKind[SyntaxKind["JSDocTypeTag"] = 277] = "JSDocTypeTag"; - SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 278] = "JSDocTemplateTag"; - SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 279] = "JSDocTypedefTag"; - SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 280] = "JSDocPropertyTag"; - SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 281] = "JSDocTypeLiteral"; - SyntaxKind[SyntaxKind["JSDocLiteralType"] = 282] = "JSDocLiteralType"; - SyntaxKind[SyntaxKind["JSDocNullKeyword"] = 283] = "JSDocNullKeyword"; - SyntaxKind[SyntaxKind["JSDocUndefinedKeyword"] = 284] = "JSDocUndefinedKeyword"; - SyntaxKind[SyntaxKind["JSDocNeverKeyword"] = 285] = "JSDocNeverKeyword"; - SyntaxKind[SyntaxKind["SyntaxList"] = 286] = "SyntaxList"; - SyntaxKind[SyntaxKind["NotEmittedStatement"] = 287] = "NotEmittedStatement"; - SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 288] = "PartiallyEmittedExpression"; - SyntaxKind[SyntaxKind["Count"] = 289] = "Count"; - SyntaxKind[SyntaxKind["FirstAssignment"] = 57] = "FirstAssignment"; - SyntaxKind[SyntaxKind["LastAssignment"] = 69] = "LastAssignment"; - SyntaxKind[SyntaxKind["FirstCompoundAssignment"] = 58] = "FirstCompoundAssignment"; - SyntaxKind[SyntaxKind["LastCompoundAssignment"] = 69] = "LastCompoundAssignment"; - SyntaxKind[SyntaxKind["FirstReservedWord"] = 71] = "FirstReservedWord"; - SyntaxKind[SyntaxKind["LastReservedWord"] = 106] = "LastReservedWord"; - SyntaxKind[SyntaxKind["FirstKeyword"] = 71] = "FirstKeyword"; - SyntaxKind[SyntaxKind["LastKeyword"] = 139] = "LastKeyword"; - SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 107] = "FirstFutureReservedWord"; - SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 115] = "LastFutureReservedWord"; - SyntaxKind[SyntaxKind["FirstTypeNode"] = 155] = "FirstTypeNode"; - SyntaxKind[SyntaxKind["LastTypeNode"] = 167] = "LastTypeNode"; - SyntaxKind[SyntaxKind["FirstPunctuation"] = 16] = "FirstPunctuation"; - SyntaxKind[SyntaxKind["LastPunctuation"] = 69] = "LastPunctuation"; - SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; - SyntaxKind[SyntaxKind["LastToken"] = 139] = "LastToken"; - SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; - SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; - SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; - SyntaxKind[SyntaxKind["LastLiteralToken"] = 12] = "LastLiteralToken"; - SyntaxKind[SyntaxKind["FirstTemplateToken"] = 12] = "FirstTemplateToken"; - SyntaxKind[SyntaxKind["LastTemplateToken"] = 15] = "LastTemplateToken"; - SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 26] = "FirstBinaryOperator"; - SyntaxKind[SyntaxKind["LastBinaryOperator"] = 69] = "LastBinaryOperator"; - SyntaxKind[SyntaxKind["FirstNode"] = 140] = "FirstNode"; - SyntaxKind[SyntaxKind["FirstJSDocNode"] = 257] = "FirstJSDocNode"; - SyntaxKind[SyntaxKind["LastJSDocNode"] = 282] = "LastJSDocNode"; - SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 273] = "FirstJSDocTagNode"; - SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 285] = "LastJSDocTagNode"; - })(ts.SyntaxKind || (ts.SyntaxKind = {})); - var SyntaxKind = ts.SyntaxKind; - (function (NodeFlags) { - NodeFlags[NodeFlags["None"] = 0] = "None"; - NodeFlags[NodeFlags["Let"] = 1] = "Let"; - NodeFlags[NodeFlags["Const"] = 2] = "Const"; - NodeFlags[NodeFlags["NestedNamespace"] = 4] = "NestedNamespace"; - NodeFlags[NodeFlags["Synthesized"] = 8] = "Synthesized"; - NodeFlags[NodeFlags["Namespace"] = 16] = "Namespace"; - NodeFlags[NodeFlags["ExportContext"] = 32] = "ExportContext"; - NodeFlags[NodeFlags["ContainsThis"] = 64] = "ContainsThis"; - NodeFlags[NodeFlags["HasImplicitReturn"] = 128] = "HasImplicitReturn"; - NodeFlags[NodeFlags["HasExplicitReturn"] = 256] = "HasExplicitReturn"; - NodeFlags[NodeFlags["GlobalAugmentation"] = 512] = "GlobalAugmentation"; - NodeFlags[NodeFlags["HasClassExtends"] = 1024] = "HasClassExtends"; - NodeFlags[NodeFlags["HasDecorators"] = 2048] = "HasDecorators"; - NodeFlags[NodeFlags["HasParamDecorators"] = 4096] = "HasParamDecorators"; - NodeFlags[NodeFlags["HasAsyncFunctions"] = 8192] = "HasAsyncFunctions"; - NodeFlags[NodeFlags["HasJsxSpreadAttributes"] = 16384] = "HasJsxSpreadAttributes"; - NodeFlags[NodeFlags["DisallowInContext"] = 32768] = "DisallowInContext"; - NodeFlags[NodeFlags["YieldContext"] = 65536] = "YieldContext"; - NodeFlags[NodeFlags["DecoratorContext"] = 131072] = "DecoratorContext"; - NodeFlags[NodeFlags["AwaitContext"] = 262144] = "AwaitContext"; - NodeFlags[NodeFlags["ThisNodeHasError"] = 524288] = "ThisNodeHasError"; - NodeFlags[NodeFlags["JavaScriptFile"] = 1048576] = "JavaScriptFile"; - NodeFlags[NodeFlags["ThisNodeOrAnySubNodesHasError"] = 2097152] = "ThisNodeOrAnySubNodesHasError"; - NodeFlags[NodeFlags["HasAggregatedChildData"] = 4194304] = "HasAggregatedChildData"; - NodeFlags[NodeFlags["BlockScoped"] = 3] = "BlockScoped"; - NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 384] = "ReachabilityCheckFlags"; - NodeFlags[NodeFlags["EmitHelperFlags"] = 31744] = "EmitHelperFlags"; - NodeFlags[NodeFlags["ReachabilityAndEmitFlags"] = 32128] = "ReachabilityAndEmitFlags"; - NodeFlags[NodeFlags["ContextFlags"] = 1540096] = "ContextFlags"; - NodeFlags[NodeFlags["TypeExcludesFlags"] = 327680] = "TypeExcludesFlags"; - })(ts.NodeFlags || (ts.NodeFlags = {})); - var NodeFlags = ts.NodeFlags; - (function (ModifierFlags) { - ModifierFlags[ModifierFlags["None"] = 0] = "None"; - ModifierFlags[ModifierFlags["Export"] = 1] = "Export"; - ModifierFlags[ModifierFlags["Ambient"] = 2] = "Ambient"; - ModifierFlags[ModifierFlags["Public"] = 4] = "Public"; - ModifierFlags[ModifierFlags["Private"] = 8] = "Private"; - ModifierFlags[ModifierFlags["Protected"] = 16] = "Protected"; - ModifierFlags[ModifierFlags["Static"] = 32] = "Static"; - ModifierFlags[ModifierFlags["Readonly"] = 64] = "Readonly"; - ModifierFlags[ModifierFlags["Abstract"] = 128] = "Abstract"; - ModifierFlags[ModifierFlags["Async"] = 256] = "Async"; - ModifierFlags[ModifierFlags["Default"] = 512] = "Default"; - ModifierFlags[ModifierFlags["Const"] = 2048] = "Const"; - ModifierFlags[ModifierFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - ModifierFlags[ModifierFlags["AccessibilityModifier"] = 28] = "AccessibilityModifier"; - ModifierFlags[ModifierFlags["ParameterPropertyModifier"] = 92] = "ParameterPropertyModifier"; - ModifierFlags[ModifierFlags["NonPublicAccessibilityModifier"] = 24] = "NonPublicAccessibilityModifier"; - ModifierFlags[ModifierFlags["TypeScriptModifier"] = 2270] = "TypeScriptModifier"; - })(ts.ModifierFlags || (ts.ModifierFlags = {})); - var ModifierFlags = ts.ModifierFlags; - (function (JsxFlags) { - JsxFlags[JsxFlags["None"] = 0] = "None"; - JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; - JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; - JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; - })(ts.JsxFlags || (ts.JsxFlags = {})); - var JsxFlags = ts.JsxFlags; - (function (RelationComparisonResult) { - RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; - RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; - RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; - })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); - var RelationComparisonResult = ts.RelationComparisonResult; - (function (GeneratedIdentifierKind) { - GeneratedIdentifierKind[GeneratedIdentifierKind["None"] = 0] = "None"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Auto"] = 1] = "Auto"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Loop"] = 2] = "Loop"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Unique"] = 3] = "Unique"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Node"] = 4] = "Node"; - })(ts.GeneratedIdentifierKind || (ts.GeneratedIdentifierKind = {})); - var GeneratedIdentifierKind = ts.GeneratedIdentifierKind; - (function (FlowFlags) { - FlowFlags[FlowFlags["Unreachable"] = 1] = "Unreachable"; - FlowFlags[FlowFlags["Start"] = 2] = "Start"; - FlowFlags[FlowFlags["BranchLabel"] = 4] = "BranchLabel"; - FlowFlags[FlowFlags["LoopLabel"] = 8] = "LoopLabel"; - FlowFlags[FlowFlags["Assignment"] = 16] = "Assignment"; - FlowFlags[FlowFlags["TrueCondition"] = 32] = "TrueCondition"; - FlowFlags[FlowFlags["FalseCondition"] = 64] = "FalseCondition"; - FlowFlags[FlowFlags["SwitchClause"] = 128] = "SwitchClause"; - FlowFlags[FlowFlags["ArrayMutation"] = 256] = "ArrayMutation"; - FlowFlags[FlowFlags["Referenced"] = 512] = "Referenced"; - FlowFlags[FlowFlags["Shared"] = 1024] = "Shared"; - FlowFlags[FlowFlags["Label"] = 12] = "Label"; - FlowFlags[FlowFlags["Condition"] = 96] = "Condition"; - })(ts.FlowFlags || (ts.FlowFlags = {})); - var FlowFlags = ts.FlowFlags; var OperationCanceledException = (function () { function OperationCanceledException() { } @@ -439,38 +27,6 @@ var ts; ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; })(ts.ExitStatus || (ts.ExitStatus = {})); var ExitStatus = ts.ExitStatus; - (function (TypeFormatFlags) { - TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; - TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; - TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; - TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; - TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; - TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; - TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; - TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; - TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; - TypeFormatFlags[TypeFormatFlags["InFirstTypeArgument"] = 256] = "InFirstTypeArgument"; - TypeFormatFlags[TypeFormatFlags["InTypeAlias"] = 512] = "InTypeAlias"; - TypeFormatFlags[TypeFormatFlags["UseTypeAliasValue"] = 1024] = "UseTypeAliasValue"; - })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); - var TypeFormatFlags = ts.TypeFormatFlags; - (function (SymbolFormatFlags) { - SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; - SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; - SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; - })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); - var SymbolFormatFlags = ts.SymbolFormatFlags; - (function (SymbolAccessibility) { - SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; - SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; - SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; - })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); - var SymbolAccessibility = ts.SymbolAccessibility; - (function (TypePredicateKind) { - TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; - TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; - })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); - var TypePredicateKind = ts.TypePredicateKind; (function (TypeReferenceSerializationKind) { TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; @@ -485,166 +41,6 @@ var ts; TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 10] = "ObjectType"; })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (SymbolFlags) { - SymbolFlags[SymbolFlags["None"] = 0] = "None"; - SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; - SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; - SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; - SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; - SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; - SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; - SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; - SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; - SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; - SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; - SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; - SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; - SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; - SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; - SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; - SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; - SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; - SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; - SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; - SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; - SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; - SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; - SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; - SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; - SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; - SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; - SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; - SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; - SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; - SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; - SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; - SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; - SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; - SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; - SymbolFlags[SymbolFlags["Type"] = 793064] = "Type"; - SymbolFlags[SymbolFlags["Namespace"] = 1920] = "Namespace"; - SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; - SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; - SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; - SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; - SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; - SymbolFlags[SymbolFlags["PropertyExcludes"] = 0] = "PropertyExcludes"; - SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 900095] = "EnumMemberExcludes"; - SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; - SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; - SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792968] = "InterfaceExcludes"; - SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; - SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; - SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; - SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; - SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; - SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; - SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; - SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530920] = "TypeParameterExcludes"; - SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793064] = "TypeAliasExcludes"; - SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; - SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; - SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; - SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; - SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; - SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; - SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; - SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; - SymbolFlags[SymbolFlags["ClassMember"] = 106500] = "ClassMember"; - SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; - })(ts.SymbolFlags || (ts.SymbolFlags = {})); - var SymbolFlags = ts.SymbolFlags; - (function (NodeCheckFlags) { - NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; - NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; - NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; - NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; - NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; - NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; - NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; - NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; - NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; - NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; - NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; - NodeCheckFlags[NodeCheckFlags["AssignmentsMarked"] = 4194304] = "AssignmentsMarked"; - NodeCheckFlags[NodeCheckFlags["ClassWithConstructorReference"] = 8388608] = "ClassWithConstructorReference"; - NodeCheckFlags[NodeCheckFlags["ConstructorReferenceInClass"] = 16777216] = "ConstructorReferenceInClass"; - })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); - var NodeCheckFlags = ts.NodeCheckFlags; - (function (TypeFlags) { - TypeFlags[TypeFlags["Any"] = 1] = "Any"; - TypeFlags[TypeFlags["String"] = 2] = "String"; - TypeFlags[TypeFlags["Number"] = 4] = "Number"; - TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; - TypeFlags[TypeFlags["Enum"] = 16] = "Enum"; - TypeFlags[TypeFlags["StringLiteral"] = 32] = "StringLiteral"; - TypeFlags[TypeFlags["NumberLiteral"] = 64] = "NumberLiteral"; - TypeFlags[TypeFlags["BooleanLiteral"] = 128] = "BooleanLiteral"; - TypeFlags[TypeFlags["EnumLiteral"] = 256] = "EnumLiteral"; - TypeFlags[TypeFlags["ESSymbol"] = 512] = "ESSymbol"; - TypeFlags[TypeFlags["Void"] = 1024] = "Void"; - TypeFlags[TypeFlags["Undefined"] = 2048] = "Undefined"; - TypeFlags[TypeFlags["Null"] = 4096] = "Null"; - TypeFlags[TypeFlags["Never"] = 8192] = "Never"; - TypeFlags[TypeFlags["TypeParameter"] = 16384] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 32768] = "Class"; - TypeFlags[TypeFlags["Interface"] = 65536] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 131072] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 262144] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 524288] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 1048576] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 2097152] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 4194304] = "Instantiated"; - TypeFlags[TypeFlags["ObjectLiteral"] = 8388608] = "ObjectLiteral"; - TypeFlags[TypeFlags["FreshLiteral"] = 16777216] = "FreshLiteral"; - TypeFlags[TypeFlags["ContainsWideningType"] = 33554432] = "ContainsWideningType"; - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 67108864] = "ContainsObjectLiteral"; - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 134217728] = "ContainsAnyFunctionType"; - TypeFlags[TypeFlags["Nullable"] = 6144] = "Nullable"; - TypeFlags[TypeFlags["Literal"] = 480] = "Literal"; - TypeFlags[TypeFlags["StringOrNumberLiteral"] = 96] = "StringOrNumberLiteral"; - TypeFlags[TypeFlags["DefinitelyFalsy"] = 7392] = "DefinitelyFalsy"; - TypeFlags[TypeFlags["PossiblyFalsy"] = 7406] = "PossiblyFalsy"; - TypeFlags[TypeFlags["Intrinsic"] = 16015] = "Intrinsic"; - TypeFlags[TypeFlags["Primitive"] = 8190] = "Primitive"; - TypeFlags[TypeFlags["StringLike"] = 34] = "StringLike"; - TypeFlags[TypeFlags["NumberLike"] = 340] = "NumberLike"; - TypeFlags[TypeFlags["BooleanLike"] = 136] = "BooleanLike"; - TypeFlags[TypeFlags["EnumLike"] = 272] = "EnumLike"; - TypeFlags[TypeFlags["ObjectType"] = 2588672] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 1572864] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 4161536] = "StructuredType"; - TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 4177920] = "StructuredOrTypeParameter"; - TypeFlags[TypeFlags["Narrowable"] = 4178943] = "Narrowable"; - TypeFlags[TypeFlags["NotUnionOrUnit"] = 2589185] = "NotUnionOrUnit"; - TypeFlags[TypeFlags["RequiresWidening"] = 100663296] = "RequiresWidening"; - TypeFlags[TypeFlags["PropagatingFlags"] = 234881024] = "PropagatingFlags"; - })(ts.TypeFlags || (ts.TypeFlags = {})); - var TypeFlags = ts.TypeFlags; - (function (SignatureKind) { - SignatureKind[SignatureKind["Call"] = 0] = "Call"; - SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; - })(ts.SignatureKind || (ts.SignatureKind = {})); - var SignatureKind = ts.SignatureKind; - (function (IndexKind) { - IndexKind[IndexKind["String"] = 0] = "String"; - IndexKind[IndexKind["Number"] = 1] = "Number"; - })(ts.IndexKind || (ts.IndexKind = {})); - var IndexKind = ts.IndexKind; - (function (SpecialPropertyAssignmentKind) { - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; - })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); - var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; (function (DiagnosticCategory) { DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; @@ -665,264 +61,6 @@ var ts; ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; })(ts.ModuleKind || (ts.ModuleKind = {})); var ModuleKind = ts.ModuleKind; - (function (JsxEmit) { - JsxEmit[JsxEmit["None"] = 0] = "None"; - JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; - JsxEmit[JsxEmit["React"] = 2] = "React"; - })(ts.JsxEmit || (ts.JsxEmit = {})); - var JsxEmit = ts.JsxEmit; - (function (NewLineKind) { - NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; - NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; - })(ts.NewLineKind || (ts.NewLineKind = {})); - var NewLineKind = ts.NewLineKind; - (function (ScriptKind) { - ScriptKind[ScriptKind["Unknown"] = 0] = "Unknown"; - ScriptKind[ScriptKind["JS"] = 1] = "JS"; - ScriptKind[ScriptKind["JSX"] = 2] = "JSX"; - ScriptKind[ScriptKind["TS"] = 3] = "TS"; - ScriptKind[ScriptKind["TSX"] = 4] = "TSX"; - })(ts.ScriptKind || (ts.ScriptKind = {})); - var ScriptKind = ts.ScriptKind; - (function (ScriptTarget) { - ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; - ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; - ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; - ScriptTarget[ScriptTarget["ES2016"] = 3] = "ES2016"; - ScriptTarget[ScriptTarget["ES2017"] = 4] = "ES2017"; - ScriptTarget[ScriptTarget["Latest"] = 4] = "Latest"; - })(ts.ScriptTarget || (ts.ScriptTarget = {})); - var ScriptTarget = ts.ScriptTarget; - (function (LanguageVariant) { - LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; - LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; - })(ts.LanguageVariant || (ts.LanguageVariant = {})); - var LanguageVariant = ts.LanguageVariant; - (function (DiagnosticStyle) { - DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; - DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; - })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); - var DiagnosticStyle = ts.DiagnosticStyle; - (function (WatchDirectoryFlags) { - WatchDirectoryFlags[WatchDirectoryFlags["None"] = 0] = "None"; - WatchDirectoryFlags[WatchDirectoryFlags["Recursive"] = 1] = "Recursive"; - })(ts.WatchDirectoryFlags || (ts.WatchDirectoryFlags = {})); - var WatchDirectoryFlags = ts.WatchDirectoryFlags; - (function (CharacterCodes) { - CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; - CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; - CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; - CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; - CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; - CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; - CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; - CharacterCodes[CharacterCodes["space"] = 32] = "space"; - CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; - CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; - CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; - CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; - CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; - CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; - CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; - CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; - CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; - CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; - CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; - CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; - CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; - CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; - CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; - CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; - CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; - CharacterCodes[CharacterCodes["_"] = 95] = "_"; - CharacterCodes[CharacterCodes["$"] = 36] = "$"; - CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; - CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; - CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; - CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; - CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; - CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; - CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; - CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; - CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; - CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; - CharacterCodes[CharacterCodes["a"] = 97] = "a"; - CharacterCodes[CharacterCodes["b"] = 98] = "b"; - CharacterCodes[CharacterCodes["c"] = 99] = "c"; - CharacterCodes[CharacterCodes["d"] = 100] = "d"; - CharacterCodes[CharacterCodes["e"] = 101] = "e"; - CharacterCodes[CharacterCodes["f"] = 102] = "f"; - CharacterCodes[CharacterCodes["g"] = 103] = "g"; - CharacterCodes[CharacterCodes["h"] = 104] = "h"; - CharacterCodes[CharacterCodes["i"] = 105] = "i"; - CharacterCodes[CharacterCodes["j"] = 106] = "j"; - CharacterCodes[CharacterCodes["k"] = 107] = "k"; - CharacterCodes[CharacterCodes["l"] = 108] = "l"; - CharacterCodes[CharacterCodes["m"] = 109] = "m"; - CharacterCodes[CharacterCodes["n"] = 110] = "n"; - CharacterCodes[CharacterCodes["o"] = 111] = "o"; - CharacterCodes[CharacterCodes["p"] = 112] = "p"; - CharacterCodes[CharacterCodes["q"] = 113] = "q"; - CharacterCodes[CharacterCodes["r"] = 114] = "r"; - CharacterCodes[CharacterCodes["s"] = 115] = "s"; - CharacterCodes[CharacterCodes["t"] = 116] = "t"; - CharacterCodes[CharacterCodes["u"] = 117] = "u"; - CharacterCodes[CharacterCodes["v"] = 118] = "v"; - CharacterCodes[CharacterCodes["w"] = 119] = "w"; - CharacterCodes[CharacterCodes["x"] = 120] = "x"; - CharacterCodes[CharacterCodes["y"] = 121] = "y"; - CharacterCodes[CharacterCodes["z"] = 122] = "z"; - CharacterCodes[CharacterCodes["A"] = 65] = "A"; - CharacterCodes[CharacterCodes["B"] = 66] = "B"; - CharacterCodes[CharacterCodes["C"] = 67] = "C"; - CharacterCodes[CharacterCodes["D"] = 68] = "D"; - CharacterCodes[CharacterCodes["E"] = 69] = "E"; - CharacterCodes[CharacterCodes["F"] = 70] = "F"; - CharacterCodes[CharacterCodes["G"] = 71] = "G"; - CharacterCodes[CharacterCodes["H"] = 72] = "H"; - CharacterCodes[CharacterCodes["I"] = 73] = "I"; - CharacterCodes[CharacterCodes["J"] = 74] = "J"; - CharacterCodes[CharacterCodes["K"] = 75] = "K"; - CharacterCodes[CharacterCodes["L"] = 76] = "L"; - CharacterCodes[CharacterCodes["M"] = 77] = "M"; - CharacterCodes[CharacterCodes["N"] = 78] = "N"; - CharacterCodes[CharacterCodes["O"] = 79] = "O"; - CharacterCodes[CharacterCodes["P"] = 80] = "P"; - CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; - CharacterCodes[CharacterCodes["R"] = 82] = "R"; - CharacterCodes[CharacterCodes["S"] = 83] = "S"; - CharacterCodes[CharacterCodes["T"] = 84] = "T"; - CharacterCodes[CharacterCodes["U"] = 85] = "U"; - CharacterCodes[CharacterCodes["V"] = 86] = "V"; - CharacterCodes[CharacterCodes["W"] = 87] = "W"; - CharacterCodes[CharacterCodes["X"] = 88] = "X"; - CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; - CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; - CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; - CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; - CharacterCodes[CharacterCodes["at"] = 64] = "at"; - CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; - CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; - CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; - CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; - CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; - CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; - CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; - CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; - CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; - CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; - CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; - CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; - CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; - CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; - CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; - CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; - CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; - CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; - CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; - CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; - CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; - CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; - CharacterCodes[CharacterCodes["question"] = 63] = "question"; - CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; - CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; - CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; - CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; - CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; - CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; - CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; - CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; - CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; - })(ts.CharacterCodes || (ts.CharacterCodes = {})); - var CharacterCodes = ts.CharacterCodes; - (function (TransformFlags) { - TransformFlags[TransformFlags["None"] = 0] = "None"; - TransformFlags[TransformFlags["TypeScript"] = 1] = "TypeScript"; - TransformFlags[TransformFlags["ContainsTypeScript"] = 2] = "ContainsTypeScript"; - TransformFlags[TransformFlags["Jsx"] = 4] = "Jsx"; - TransformFlags[TransformFlags["ContainsJsx"] = 8] = "ContainsJsx"; - TransformFlags[TransformFlags["ES2017"] = 16] = "ES2017"; - TransformFlags[TransformFlags["ContainsES2017"] = 32] = "ContainsES2017"; - TransformFlags[TransformFlags["ES2016"] = 64] = "ES2016"; - TransformFlags[TransformFlags["ContainsES2016"] = 128] = "ContainsES2016"; - TransformFlags[TransformFlags["ES2015"] = 256] = "ES2015"; - TransformFlags[TransformFlags["ContainsES2015"] = 512] = "ContainsES2015"; - TransformFlags[TransformFlags["DestructuringAssignment"] = 1024] = "DestructuringAssignment"; - TransformFlags[TransformFlags["Generator"] = 2048] = "Generator"; - TransformFlags[TransformFlags["ContainsGenerator"] = 4096] = "ContainsGenerator"; - TransformFlags[TransformFlags["ContainsDecorators"] = 8192] = "ContainsDecorators"; - TransformFlags[TransformFlags["ContainsPropertyInitializer"] = 16384] = "ContainsPropertyInitializer"; - TransformFlags[TransformFlags["ContainsLexicalThis"] = 32768] = "ContainsLexicalThis"; - TransformFlags[TransformFlags["ContainsCapturedLexicalThis"] = 65536] = "ContainsCapturedLexicalThis"; - TransformFlags[TransformFlags["ContainsLexicalThisInComputedPropertyName"] = 131072] = "ContainsLexicalThisInComputedPropertyName"; - TransformFlags[TransformFlags["ContainsDefaultValueAssignments"] = 262144] = "ContainsDefaultValueAssignments"; - TransformFlags[TransformFlags["ContainsParameterPropertyAssignments"] = 524288] = "ContainsParameterPropertyAssignments"; - TransformFlags[TransformFlags["ContainsSpreadElementExpression"] = 1048576] = "ContainsSpreadElementExpression"; - TransformFlags[TransformFlags["ContainsComputedPropertyName"] = 2097152] = "ContainsComputedPropertyName"; - TransformFlags[TransformFlags["ContainsBlockScopedBinding"] = 4194304] = "ContainsBlockScopedBinding"; - TransformFlags[TransformFlags["ContainsBindingPattern"] = 8388608] = "ContainsBindingPattern"; - TransformFlags[TransformFlags["ContainsYield"] = 16777216] = "ContainsYield"; - TransformFlags[TransformFlags["ContainsHoistedDeclarationOrCompletion"] = 33554432] = "ContainsHoistedDeclarationOrCompletion"; - TransformFlags[TransformFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - TransformFlags[TransformFlags["AssertTypeScript"] = 3] = "AssertTypeScript"; - TransformFlags[TransformFlags["AssertJsx"] = 12] = "AssertJsx"; - TransformFlags[TransformFlags["AssertES2017"] = 48] = "AssertES2017"; - TransformFlags[TransformFlags["AssertES2016"] = 192] = "AssertES2016"; - TransformFlags[TransformFlags["AssertES2015"] = 768] = "AssertES2015"; - TransformFlags[TransformFlags["AssertGenerator"] = 6144] = "AssertGenerator"; - TransformFlags[TransformFlags["NodeExcludes"] = 536874325] = "NodeExcludes"; - TransformFlags[TransformFlags["ArrowFunctionExcludes"] = 592227669] = "ArrowFunctionExcludes"; - TransformFlags[TransformFlags["FunctionExcludes"] = 592293205] = "FunctionExcludes"; - TransformFlags[TransformFlags["ConstructorExcludes"] = 591760725] = "ConstructorExcludes"; - TransformFlags[TransformFlags["MethodOrAccessorExcludes"] = 591760725] = "MethodOrAccessorExcludes"; - TransformFlags[TransformFlags["ClassExcludes"] = 539749717] = "ClassExcludes"; - TransformFlags[TransformFlags["ModuleExcludes"] = 574729557] = "ModuleExcludes"; - TransformFlags[TransformFlags["TypeExcludes"] = -3] = "TypeExcludes"; - TransformFlags[TransformFlags["ObjectLiteralExcludes"] = 539110741] = "ObjectLiteralExcludes"; - TransformFlags[TransformFlags["ArrayLiteralOrCallOrNewExcludes"] = 537922901] = "ArrayLiteralOrCallOrNewExcludes"; - TransformFlags[TransformFlags["VariableDeclarationListExcludes"] = 545262933] = "VariableDeclarationListExcludes"; - TransformFlags[TransformFlags["ParameterExcludes"] = 545262933] = "ParameterExcludes"; - TransformFlags[TransformFlags["TypeScriptClassSyntaxMask"] = 548864] = "TypeScriptClassSyntaxMask"; - TransformFlags[TransformFlags["ES2015FunctionSyntaxMask"] = 327680] = "ES2015FunctionSyntaxMask"; - })(ts.TransformFlags || (ts.TransformFlags = {})); - var TransformFlags = ts.TransformFlags; - (function (EmitFlags) { - EmitFlags[EmitFlags["EmitEmitHelpers"] = 1] = "EmitEmitHelpers"; - EmitFlags[EmitFlags["EmitExportStar"] = 2] = "EmitExportStar"; - EmitFlags[EmitFlags["EmitSuperHelper"] = 4] = "EmitSuperHelper"; - EmitFlags[EmitFlags["EmitAdvancedSuperHelper"] = 8] = "EmitAdvancedSuperHelper"; - EmitFlags[EmitFlags["UMDDefine"] = 16] = "UMDDefine"; - EmitFlags[EmitFlags["SingleLine"] = 32] = "SingleLine"; - EmitFlags[EmitFlags["AdviseOnEmitNode"] = 64] = "AdviseOnEmitNode"; - EmitFlags[EmitFlags["NoSubstitution"] = 128] = "NoSubstitution"; - EmitFlags[EmitFlags["CapturesThis"] = 256] = "CapturesThis"; - EmitFlags[EmitFlags["NoLeadingSourceMap"] = 512] = "NoLeadingSourceMap"; - EmitFlags[EmitFlags["NoTrailingSourceMap"] = 1024] = "NoTrailingSourceMap"; - EmitFlags[EmitFlags["NoSourceMap"] = 1536] = "NoSourceMap"; - EmitFlags[EmitFlags["NoNestedSourceMaps"] = 2048] = "NoNestedSourceMaps"; - EmitFlags[EmitFlags["NoTokenLeadingSourceMaps"] = 4096] = "NoTokenLeadingSourceMaps"; - EmitFlags[EmitFlags["NoTokenTrailingSourceMaps"] = 8192] = "NoTokenTrailingSourceMaps"; - EmitFlags[EmitFlags["NoTokenSourceMaps"] = 12288] = "NoTokenSourceMaps"; - EmitFlags[EmitFlags["NoLeadingComments"] = 16384] = "NoLeadingComments"; - EmitFlags[EmitFlags["NoTrailingComments"] = 32768] = "NoTrailingComments"; - EmitFlags[EmitFlags["NoComments"] = 49152] = "NoComments"; - EmitFlags[EmitFlags["NoNestedComments"] = 65536] = "NoNestedComments"; - EmitFlags[EmitFlags["ExportName"] = 131072] = "ExportName"; - EmitFlags[EmitFlags["LocalName"] = 262144] = "LocalName"; - EmitFlags[EmitFlags["Indented"] = 524288] = "Indented"; - EmitFlags[EmitFlags["NoIndentation"] = 1048576] = "NoIndentation"; - EmitFlags[EmitFlags["AsyncFunctionBody"] = 2097152] = "AsyncFunctionBody"; - EmitFlags[EmitFlags["ReuseTempVariableScope"] = 4194304] = "ReuseTempVariableScope"; - EmitFlags[EmitFlags["CustomPrologue"] = 8388608] = "CustomPrologue"; - })(ts.EmitFlags || (ts.EmitFlags = {})); - var EmitFlags = ts.EmitFlags; - (function (EmitContext) { - EmitContext[EmitContext["SourceFile"] = 0] = "SourceFile"; - EmitContext[EmitContext["Expression"] = 1] = "Expression"; - EmitContext[EmitContext["IdentifierName"] = 2] = "IdentifierName"; - EmitContext[EmitContext["Unspecified"] = 3] = "Unspecified"; - })(ts.EmitContext || (ts.EmitContext = {})); - var EmitContext = ts.EmitContext; })(ts || (ts = {})); var ts; (function (ts) { @@ -985,12 +123,6 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - (function (Ternary) { - Ternary[Ternary["False"] = 0] = "False"; - Ternary[Ternary["Maybe"] = 1] = "Maybe"; - Ternary[Ternary["True"] = -1] = "True"; - })(ts.Ternary || (ts.Ternary = {})); - var Ternary = ts.Ternary; var createObject = Object.create; ts.collator = typeof Intl === "object" && typeof Intl.Collator === "function" ? new Intl.Collator() : undefined; function createMap(template) { @@ -1055,12 +187,6 @@ var ts; return getCanonicalFileName(nonCanonicalizedPath); } ts.toPath = toPath; - (function (Comparison) { - Comparison[Comparison["LessThan"] = -1] = "LessThan"; - Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; - Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; - })(ts.Comparison || (ts.Comparison = {})); - var Comparison = ts.Comparison; function forEach(array, callback) { if (array) { for (var i = 0, len = array.length; i < len; i++) { @@ -1368,6 +494,41 @@ var ts; return result; } ts.deduplicate = deduplicate; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function changesAffectModuleResolution(oldOptions, newOptions) { + return !oldOptions || + (oldOptions.module !== newOptions.module) || + (oldOptions.moduleResolution !== newOptions.moduleResolution) || + (oldOptions.noResolve !== newOptions.noResolve) || + (oldOptions.target !== newOptions.target) || + (oldOptions.noLib !== newOptions.noLib) || + (oldOptions.jsx !== newOptions.jsx) || + (oldOptions.allowJs !== newOptions.allowJs) || + (oldOptions.rootDir !== newOptions.rootDir) || + (oldOptions.configFilePath !== newOptions.configFilePath) || + (oldOptions.baseUrl !== newOptions.baseUrl) || + (oldOptions.maxNodeModuleJsDepth !== newOptions.maxNodeModuleJsDepth) || + !arrayIsEqualTo(oldOptions.lib, newOptions.lib) || + !arrayIsEqualTo(oldOptions.typeRoots, newOptions.typeRoots) || + !arrayIsEqualTo(oldOptions.rootDirs, newOptions.rootDirs) || + !equalOwnProperties(oldOptions.paths, newOptions.paths); + } + ts.changesAffectModuleResolution = changesAffectModuleResolution; function compact(array) { var result; if (array) { @@ -1440,6 +601,12 @@ var ts; : undefined; } ts.lastOrUndefined = lastOrUndefined; + function replaceElement(array, index, value) { + var result = array.slice(0); + result[index] = value; + return result; + } + ts.replaceElement = replaceElement; function binarySearch(array, value, comparer) { if (!array || array.length === 0) { return -1; @@ -1678,6 +845,12 @@ var ts; return Array.isArray ? Array.isArray(value) : value instanceof Array; } ts.isArray = isArray; + function noop() { } + ts.noop = noop; + function notImplemented() { + throw new Error("Not implemented"); + } + ts.notImplemented = notImplemented; function memoize(callback) { var value; return function () { @@ -2408,14 +1581,6 @@ var ts; return false; } ts.isSupportedSourceFileName = isSupportedSourceFileName; - (function (ExtensionPriority) { - ExtensionPriority[ExtensionPriority["TypeScriptFiles"] = 0] = "TypeScriptFiles"; - ExtensionPriority[ExtensionPriority["DeclarationAndJavaScriptFiles"] = 2] = "DeclarationAndJavaScriptFiles"; - ExtensionPriority[ExtensionPriority["Limit"] = 5] = "Limit"; - ExtensionPriority[ExtensionPriority["Highest"] = 0] = "Highest"; - ExtensionPriority[ExtensionPriority["Lowest"] = 2] = "Lowest"; - })(ts.ExtensionPriority || (ts.ExtensionPriority = {})); - var ExtensionPriority = ts.ExtensionPriority; function getExtensionPriority(path, supportedExtensions) { for (var i = supportedExtensions.length - 1; i >= 0; i--) { if (fileExtensionIs(path, supportedExtensions[i])) { @@ -2504,13 +1669,6 @@ var ts; getTypeConstructor: function () { return Type; }, getSignatureConstructor: function () { return Signature; } }; - (function (AssertionLevel) { - AssertionLevel[AssertionLevel["None"] = 0] = "None"; - AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; - AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; - AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; - })(ts.AssertionLevel || (ts.AssertionLevel = {})); - var AssertionLevel = ts.AssertionLevel; var Debug; (function (Debug) { Debug.currentAssertionLevel = 0; @@ -2895,11 +2053,6 @@ var ts; function readDirectory(path, extensions, excludes, includes) { return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), getAccessibleFileSystemEntries); } - var FileSystemEntryKind; - (function (FileSystemEntryKind) { - FileSystemEntryKind[FileSystemEntryKind["File"] = 0] = "File"; - FileSystemEntryKind[FileSystemEntryKind["Directory"] = 1] = "Directory"; - })(FileSystemEntryKind || (FileSystemEntryKind = {})); function fileSystemEntryExists(path, entryKind) { try { var stat = _fs.statSync(path); @@ -3030,7 +2183,9 @@ var ts; } catch (e) { } - } + }, + setTimeout: setTimeout, + clearTimeout: clearTimeout }; return nodeSystem; } @@ -3258,7 +2413,6 @@ var ts; Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, @@ -3878,6 +3032,8 @@ var ts; Unknown_typing_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_typing_option_0_17010", message: "Unknown typing option '{0}'." }, Circularity_detected_while_resolving_configuration_Colon_0: { code: 18000, category: ts.DiagnosticCategory.Error, key: "Circularity_detected_while_resolving_configuration_Colon_0_18000", message: "Circularity detected while resolving configuration: {0}" }, The_path_in_an_extends_options_must_be_relative_or_rooted: { code: 18001, category: ts.DiagnosticCategory.Error, key: "The_path_in_an_extends_options_must_be_relative_or_rooted_18001", message: "The path in an 'extends' options must be relative or rooted." }, + The_files_list_in_config_file_0_is_empty: { code: 18002, category: ts.DiagnosticCategory.Error, key: "The_files_list_in_config_file_0_is_empty_18002", message: "The 'files' list in config file '{0}' is empty." }, + No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { code: 18003, category: ts.DiagnosticCategory.Error, key: "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", message: "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'." }, Add_missing_super_call: { code: 90001, category: ts.DiagnosticCategory.Message, key: "Add_missing_super_call_90001", message: "Add missing 'super()' call." }, Make_super_call_the_first_statement_in_the_constructor: { code: 90002, category: ts.DiagnosticCategory.Message, key: "Make_super_call_the_first_statement_in_the_constructor_90002", message: "Make 'super()' call the first statement in the constructor." }, Change_extends_to_implements: { code: 90003, category: ts.DiagnosticCategory.Message, key: "Change_extends_to_implements_90003", message: "Change 'extends' to 'implements'" }, @@ -5345,6 +4501,9 @@ var ts; case 44: pos++; return token = 25; + case 46: + pos++; + return token = 22; } if (isIdentifierStart(ch, 4)) { pos++; @@ -5466,11 +4625,11 @@ var ts; writeParameter: writeText, writeSymbol: writeText, writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, + increaseIndent: ts.noop, + decreaseIndent: ts.noop, clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop }; } return stringWriters.pop(); @@ -5485,22 +4644,6 @@ var ts; return node.end - node.pos; } ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; function hasResolvedModule(sourceFile, moduleNameText) { return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]); } @@ -5741,9 +4884,14 @@ var ts; ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; function isBlockOrCatchScoped(declaration) { return (ts.getCombinedNodeFlags(declaration) & 3) !== 0 || - isCatchClauseVariableDeclaration(declaration); + isCatchClauseVariableDeclarationOrBindingElement(declaration); } ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isCatchClauseVariableDeclarationOrBindingElement(declaration) { + var node = getRootDeclaration(declaration); + return node.kind === 219 && node.parent.kind === 252; + } + ts.isCatchClauseVariableDeclarationOrBindingElement = isCatchClauseVariableDeclarationOrBindingElement; function isAmbientModule(node) { return node && node.kind === 226 && (node.name.kind === 9 || isGlobalScopeAugmentation(node)); @@ -5812,13 +4960,6 @@ var ts; } } ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 219 && - declaration.parent && - declaration.parent.kind === 252; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; function declarationNameToString(name) { return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); } @@ -7136,11 +6277,6 @@ var ts; return node ? ts.getNodeId(node) : 0; } ts.getOriginalNodeId = getOriginalNodeId; - (function (Associativity) { - Associativity[Associativity["Left"] = 0] = "Left"; - Associativity[Associativity["Right"] = 1] = "Right"; - })(ts.Associativity || (ts.Associativity = {})); - var Associativity = ts.Associativity; function getExpressionAssociativity(expression) { var operator = getOperator(expression); var hasArguments = expression.kind === 176 && expression.arguments !== undefined; @@ -7930,7 +7066,7 @@ var ts; flags |= modifierToFlag(modifier.kind); } } - if (node.flags & 4) { + if (node.flags & 4 || (node.kind === 70 && node.isInJSDocNamespace)) { flags |= 1; } node.modifierFlagsCache = flags | 536870912; @@ -10573,7 +9709,7 @@ var ts; function createReactNamespace(reactNamespace, parent) { var react = createIdentifier(reactNamespace || "React"); react.flags &= ~8; - react.parent = parent; + react.parent = ts.getParseTreeNode(parent); return react; } function createReactCreateElement(reactNamespace, tagName, props, children, parentElement, location) { @@ -11110,13 +10246,6 @@ var ts; return body; } ts.parenthesizeConciseBody = parenthesizeConciseBody; - (function (OuterExpressionKinds) { - OuterExpressionKinds[OuterExpressionKinds["Parentheses"] = 1] = "Parentheses"; - OuterExpressionKinds[OuterExpressionKinds["Assertions"] = 2] = "Assertions"; - OuterExpressionKinds[OuterExpressionKinds["PartiallyEmittedExpressions"] = 4] = "PartiallyEmittedExpressions"; - OuterExpressionKinds[OuterExpressionKinds["All"] = 7] = "All"; - })(ts.OuterExpressionKinds || (ts.OuterExpressionKinds = {})); - var OuterExpressionKinds = ts.OuterExpressionKinds; function skipOuterExpressions(node, kinds) { if (kinds === void 0) { kinds = 7; } var previousNode; @@ -11738,6 +10867,7 @@ var ts; return visitNodes(cbNodes, node.typeParameters); case 279: return visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.fullName) || visitNode(cbNode, node.name) || visitNode(cbNode, node.jsDocTypeLiteral); case 281: @@ -15188,7 +14318,7 @@ var ts; parseExpected(117); parseExpected(127); exportDeclaration.name = parseIdentifier(); - parseExpected(24); + parseSemicolon(); return finishNode(exportDeclaration); } function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { @@ -15401,42 +14531,6 @@ var ts; : undefined; }); } - var ParsingContext; - (function (ParsingContext) { - ParsingContext[ParsingContext["SourceElements"] = 0] = "SourceElements"; - ParsingContext[ParsingContext["BlockStatements"] = 1] = "BlockStatements"; - ParsingContext[ParsingContext["SwitchClauses"] = 2] = "SwitchClauses"; - ParsingContext[ParsingContext["SwitchClauseStatements"] = 3] = "SwitchClauseStatements"; - ParsingContext[ParsingContext["TypeMembers"] = 4] = "TypeMembers"; - ParsingContext[ParsingContext["ClassMembers"] = 5] = "ClassMembers"; - ParsingContext[ParsingContext["EnumMembers"] = 6] = "EnumMembers"; - ParsingContext[ParsingContext["HeritageClauseElement"] = 7] = "HeritageClauseElement"; - ParsingContext[ParsingContext["VariableDeclarations"] = 8] = "VariableDeclarations"; - ParsingContext[ParsingContext["ObjectBindingElements"] = 9] = "ObjectBindingElements"; - ParsingContext[ParsingContext["ArrayBindingElements"] = 10] = "ArrayBindingElements"; - ParsingContext[ParsingContext["ArgumentExpressions"] = 11] = "ArgumentExpressions"; - ParsingContext[ParsingContext["ObjectLiteralMembers"] = 12] = "ObjectLiteralMembers"; - ParsingContext[ParsingContext["JsxAttributes"] = 13] = "JsxAttributes"; - ParsingContext[ParsingContext["JsxChildren"] = 14] = "JsxChildren"; - ParsingContext[ParsingContext["ArrayLiteralMembers"] = 15] = "ArrayLiteralMembers"; - ParsingContext[ParsingContext["Parameters"] = 16] = "Parameters"; - ParsingContext[ParsingContext["TypeParameters"] = 17] = "TypeParameters"; - ParsingContext[ParsingContext["TypeArguments"] = 18] = "TypeArguments"; - ParsingContext[ParsingContext["TupleElementTypes"] = 19] = "TupleElementTypes"; - ParsingContext[ParsingContext["HeritageClauses"] = 20] = "HeritageClauses"; - ParsingContext[ParsingContext["ImportOrExportSpecifiers"] = 21] = "ImportOrExportSpecifiers"; - ParsingContext[ParsingContext["JSDocFunctionParameters"] = 22] = "JSDocFunctionParameters"; - ParsingContext[ParsingContext["JSDocTypeArguments"] = 23] = "JSDocTypeArguments"; - ParsingContext[ParsingContext["JSDocRecordMembers"] = 24] = "JSDocRecordMembers"; - ParsingContext[ParsingContext["JSDocTupleTypes"] = 25] = "JSDocTupleTypes"; - ParsingContext[ParsingContext["Count"] = 26] = "Count"; - })(ParsingContext || (ParsingContext = {})); - var Tristate; - (function (Tristate) { - Tristate[Tristate["False"] = 0] = "False"; - Tristate[Tristate["True"] = 1] = "True"; - Tristate[Tristate["Unknown"] = 2] = "Unknown"; - })(Tristate || (Tristate = {})); var JSDocParser; (function (JSDocParser) { function isJSDocType() { @@ -15732,12 +14826,6 @@ var ts; return comment; } JSDocParser.parseJSDocComment = parseJSDocComment; - var JSDocState; - (function (JSDocState) { - JSDocState[JSDocState["BeginningOfLine"] = 0] = "BeginningOfLine"; - JSDocState[JSDocState["SawAsterisk"] = 1] = "SawAsterisk"; - JSDocState[JSDocState["SavingComments"] = 2] = "SavingComments"; - })(JSDocState || (JSDocState = {})); function parseJSDocCommentWorker(start, length) { var content = sourceText; start = start || 0; @@ -16063,7 +15151,14 @@ var ts; var typedefTag = createNode(279, atToken.pos); typedefTag.atToken = atToken; typedefTag.tagName = tagName; - typedefTag.name = parseJSDocIdentifierName(); + typedefTag.fullName = parseJSDocTypeNameWithNamespace(0); + if (typedefTag.fullName) { + var rightNode = typedefTag.fullName; + while (rightNode.kind !== 70) { + rightNode = rightNode.body; + } + typedefTag.name = rightNode; + } typedefTag.typeExpression = typeExpression; skipWhitespace(); if (typeExpression) { @@ -16122,6 +15217,21 @@ var ts; scanner.setTextPos(resumePos); return finishNode(jsDocTypeLiteral); } + function parseJSDocTypeNameWithNamespace(flags) { + var pos = scanner.getTokenPos(); + var typeNameOrNamespaceName = parseJSDocIdentifierName(); + if (typeNameOrNamespaceName && parseOptional(22)) { + var jsDocNamespaceNode = createNode(226, pos); + jsDocNamespaceNode.flags |= flags; + jsDocNamespaceNode.name = typeNameOrNamespaceName; + jsDocNamespaceNode.body = parseJSDocTypeNameWithNamespace(4); + return jsDocNamespaceNode; + } + if (typeNameOrNamespaceName && flags & 4) { + typeNameOrNamespaceName.isInJSDocNamespace = true; + } + return typeNameOrNamespaceName; + } } function tryParseChildTag(parentTag) { ts.Debug.assert(token() === 56); @@ -16142,12 +15252,15 @@ var ts; return true; case "prop": case "property": - if (!parentTag.jsDocPropertyTags) { - parentTag.jsDocPropertyTags = []; - } var propertyTag = parsePropertyTag(atToken, tagName); - parentTag.jsDocPropertyTags.push(propertyTag); - return true; + if (propertyTag) { + if (!parentTag.jsDocPropertyTags) { + parentTag.jsDocPropertyTags = []; + } + parentTag.jsDocPropertyTags.push(propertyTag); + return true; + } + return false; } return false; } @@ -16489,20 +15602,10 @@ var ts; } } } - var InvalidPosition; - (function (InvalidPosition) { - InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; - })(InvalidPosition || (InvalidPosition = {})); })(IncrementalParser || (IncrementalParser = {})); })(ts || (ts = {})); var ts; (function (ts) { - (function (ModuleInstanceState) { - ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; - ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; - ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; - })(ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); - var ModuleInstanceState = ts.ModuleInstanceState; function getModuleInstanceState(node) { if (node.kind === 223 || node.kind === 224) { return 0; @@ -16533,23 +15636,14 @@ var ts; var body = node.body; return body ? getModuleInstanceState(body) : 1; } + else if (node.kind === 70 && node.isInJSDocNamespace) { + return 0; + } else { return 1; } } ts.getModuleInstanceState = getModuleInstanceState; - var ContainerFlags; - (function (ContainerFlags) { - ContainerFlags[ContainerFlags["None"] = 0] = "None"; - ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; - ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; - ContainerFlags[ContainerFlags["IsControlFlowContainer"] = 4] = "IsControlFlowContainer"; - ContainerFlags[ContainerFlags["IsFunctionLike"] = 8] = "IsFunctionLike"; - ContainerFlags[ContainerFlags["IsFunctionExpression"] = 16] = "IsFunctionExpression"; - ContainerFlags[ContainerFlags["HasLocals"] = 32] = "HasLocals"; - ContainerFlags[ContainerFlags["IsInterface"] = 64] = "IsInterface"; - ContainerFlags[ContainerFlags["IsObjectLiteralOrClassExpressionMethod"] = 128] = "IsObjectLiteralOrClassExpressionMethod"; - })(ContainerFlags || (ContainerFlags = {})); var binder = createBinder(); function bindSourceFile(file, options) { ts.performance.mark("beforeBind"); @@ -16779,7 +15873,11 @@ var ts; } } else { - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32)) { + var isJSDocTypedefInJSDocNamespace = node.kind === 279 && + node.name && + node.name.kind === 70 && + node.name.isInJSDocNamespace; + if ((!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32)) || isJSDocTypedefInJSDocNamespace) { var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | (symbolFlags & 793064 ? 2097152 : 0) | (symbolFlags & 1920 ? 4194304 : 0); @@ -17704,11 +16802,6 @@ var ts; typeLiteralSymbol.members[symbol.name] = symbol; } function bindObjectLiteralExpression(node) { - var ElementKind; - (function (ElementKind) { - ElementKind[ElementKind["Property"] = 1] = "Property"; - ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; - })(ElementKind || (ElementKind = {})); if (inStrictMode) { var seen = ts.createMap(); for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { @@ -17914,6 +17007,14 @@ var ts; function bindWorker(node) { switch (node.kind) { case 70: + if (node.isInJSDocNamespace) { + var parentNode = node.parent; + while (parentNode && parentNode.kind !== 279) { + parentNode = parentNode.parent; + } + bindBlockScopedDeclaration(parentNode, 524288, 793064); + break; + } case 98: if (currentFlow && (ts.isExpression(node) || parent.kind === 254)) { node.flowNode = currentFlow; @@ -18025,6 +17126,10 @@ var ts; case 223: return bindBlockScopedDeclaration(node, 64, 792968); case 279: + if (!node.fullName || node.fullName.kind === 70) { + return bindBlockScopedDeclaration(node, 524288, 793064); + } + break; case 224: return bindBlockScopedDeclaration(node, 524288, 793064); case 225: @@ -18356,6 +17461,8 @@ var ts; return computeClassExpression(node, subtreeFlags); case 251: return computeHeritageClause(node, subtreeFlags); + case 252: + return computeCatchClause(node, subtreeFlags); case 195: return computeExpressionWithTypeArguments(node, subtreeFlags); case 149: @@ -18513,6 +17620,14 @@ var ts; node.transformFlags = transformFlags | 536870912; return transformFlags & ~536874325; } + function computeCatchClause(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.variableDeclaration && ts.isBindingPattern(node.variableDeclaration.name)) { + transformFlags |= 768; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } function computeExpressionWithTypeArguments(node, subtreeFlags) { var transformFlags = subtreeFlags | 768; if (node.typeArguments) { @@ -19513,9 +18628,9 @@ var ts; var autoType = createIntrinsicType(1, "any"); var unknownType = createIntrinsicType(1, "unknown"); var undefinedType = createIntrinsicType(2048, "undefined"); - var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 | 33554432, "undefined"); + var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 | 524288, "undefined"); var nullType = createIntrinsicType(4096, "null"); - var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 | 33554432, "null"); + var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 | 524288, "null"); var stringType = createIntrinsicType(2, "string"); var numberType = createIntrinsicType(4, "number"); var trueType = createIntrinsicType(128, "true"); @@ -19529,7 +18644,7 @@ var ts; var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); emptyGenericType.instantiations = ts.createMap(); var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - anyFunctionType.flags |= 134217728; + anyFunctionType.flags |= 2097152; var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); @@ -19591,66 +18706,6 @@ var ts; var potentialThisCollisions = []; var awaitedTypeStack = []; var diagnostics = ts.createDiagnosticCollection(); - var TypeFacts; - (function (TypeFacts) { - TypeFacts[TypeFacts["None"] = 0] = "None"; - TypeFacts[TypeFacts["TypeofEQString"] = 1] = "TypeofEQString"; - TypeFacts[TypeFacts["TypeofEQNumber"] = 2] = "TypeofEQNumber"; - TypeFacts[TypeFacts["TypeofEQBoolean"] = 4] = "TypeofEQBoolean"; - TypeFacts[TypeFacts["TypeofEQSymbol"] = 8] = "TypeofEQSymbol"; - TypeFacts[TypeFacts["TypeofEQObject"] = 16] = "TypeofEQObject"; - TypeFacts[TypeFacts["TypeofEQFunction"] = 32] = "TypeofEQFunction"; - TypeFacts[TypeFacts["TypeofEQHostObject"] = 64] = "TypeofEQHostObject"; - TypeFacts[TypeFacts["TypeofNEString"] = 128] = "TypeofNEString"; - TypeFacts[TypeFacts["TypeofNENumber"] = 256] = "TypeofNENumber"; - TypeFacts[TypeFacts["TypeofNEBoolean"] = 512] = "TypeofNEBoolean"; - TypeFacts[TypeFacts["TypeofNESymbol"] = 1024] = "TypeofNESymbol"; - TypeFacts[TypeFacts["TypeofNEObject"] = 2048] = "TypeofNEObject"; - TypeFacts[TypeFacts["TypeofNEFunction"] = 4096] = "TypeofNEFunction"; - TypeFacts[TypeFacts["TypeofNEHostObject"] = 8192] = "TypeofNEHostObject"; - TypeFacts[TypeFacts["EQUndefined"] = 16384] = "EQUndefined"; - TypeFacts[TypeFacts["EQNull"] = 32768] = "EQNull"; - TypeFacts[TypeFacts["EQUndefinedOrNull"] = 65536] = "EQUndefinedOrNull"; - TypeFacts[TypeFacts["NEUndefined"] = 131072] = "NEUndefined"; - TypeFacts[TypeFacts["NENull"] = 262144] = "NENull"; - TypeFacts[TypeFacts["NEUndefinedOrNull"] = 524288] = "NEUndefinedOrNull"; - TypeFacts[TypeFacts["Truthy"] = 1048576] = "Truthy"; - TypeFacts[TypeFacts["Falsy"] = 2097152] = "Falsy"; - TypeFacts[TypeFacts["Discriminatable"] = 4194304] = "Discriminatable"; - TypeFacts[TypeFacts["All"] = 8388607] = "All"; - TypeFacts[TypeFacts["BaseStringStrictFacts"] = 933633] = "BaseStringStrictFacts"; - TypeFacts[TypeFacts["BaseStringFacts"] = 3145473] = "BaseStringFacts"; - TypeFacts[TypeFacts["StringStrictFacts"] = 4079361] = "StringStrictFacts"; - TypeFacts[TypeFacts["StringFacts"] = 4194049] = "StringFacts"; - TypeFacts[TypeFacts["EmptyStringStrictFacts"] = 3030785] = "EmptyStringStrictFacts"; - TypeFacts[TypeFacts["EmptyStringFacts"] = 3145473] = "EmptyStringFacts"; - TypeFacts[TypeFacts["NonEmptyStringStrictFacts"] = 1982209] = "NonEmptyStringStrictFacts"; - TypeFacts[TypeFacts["NonEmptyStringFacts"] = 4194049] = "NonEmptyStringFacts"; - TypeFacts[TypeFacts["BaseNumberStrictFacts"] = 933506] = "BaseNumberStrictFacts"; - TypeFacts[TypeFacts["BaseNumberFacts"] = 3145346] = "BaseNumberFacts"; - TypeFacts[TypeFacts["NumberStrictFacts"] = 4079234] = "NumberStrictFacts"; - TypeFacts[TypeFacts["NumberFacts"] = 4193922] = "NumberFacts"; - TypeFacts[TypeFacts["ZeroStrictFacts"] = 3030658] = "ZeroStrictFacts"; - TypeFacts[TypeFacts["ZeroFacts"] = 3145346] = "ZeroFacts"; - TypeFacts[TypeFacts["NonZeroStrictFacts"] = 1982082] = "NonZeroStrictFacts"; - TypeFacts[TypeFacts["NonZeroFacts"] = 4193922] = "NonZeroFacts"; - TypeFacts[TypeFacts["BaseBooleanStrictFacts"] = 933252] = "BaseBooleanStrictFacts"; - TypeFacts[TypeFacts["BaseBooleanFacts"] = 3145092] = "BaseBooleanFacts"; - TypeFacts[TypeFacts["BooleanStrictFacts"] = 4078980] = "BooleanStrictFacts"; - TypeFacts[TypeFacts["BooleanFacts"] = 4193668] = "BooleanFacts"; - TypeFacts[TypeFacts["FalseStrictFacts"] = 3030404] = "FalseStrictFacts"; - TypeFacts[TypeFacts["FalseFacts"] = 3145092] = "FalseFacts"; - TypeFacts[TypeFacts["TrueStrictFacts"] = 1981828] = "TrueStrictFacts"; - TypeFacts[TypeFacts["TrueFacts"] = 4193668] = "TrueFacts"; - TypeFacts[TypeFacts["SymbolStrictFacts"] = 1981320] = "SymbolStrictFacts"; - TypeFacts[TypeFacts["SymbolFacts"] = 4193160] = "SymbolFacts"; - TypeFacts[TypeFacts["ObjectStrictFacts"] = 6166480] = "ObjectStrictFacts"; - TypeFacts[TypeFacts["ObjectFacts"] = 8378320] = "ObjectFacts"; - TypeFacts[TypeFacts["FunctionStrictFacts"] = 6164448] = "FunctionStrictFacts"; - TypeFacts[TypeFacts["FunctionFacts"] = 8376288] = "FunctionFacts"; - TypeFacts[TypeFacts["UndefinedFacts"] = 2457472] = "UndefinedFacts"; - TypeFacts[TypeFacts["NullFacts"] = 2340752] = "NullFacts"; - })(TypeFacts || (TypeFacts = {})); var typeofEQFacts = ts.createMap({ "string": 1, "number": 2, @@ -19693,13 +18748,6 @@ var ts; var identityRelation = ts.createMap(); var enumRelation = ts.createMap(); var _displayBuilder; - var TypeSystemPropertyName; - (function (TypeSystemPropertyName) { - TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; - TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; - })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); var builtinGlobals = ts.createMap(); builtinGlobals[undefinedSymbol.name] = undefinedSymbol; initializeTypeChecker(); @@ -19877,6 +18925,9 @@ var ts; var nodeId = getNodeId(node); return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 }); } + function getObjectFlags(type) { + return type.flags & 32768 ? type.objectFlags : 0; + } function isGlobalSourceFile(node) { return node.kind === 256 && !ts.isExternalOrCommonJsModule(node); } @@ -19915,6 +18966,9 @@ var ts; (!compilerOptions.outFile && !compilerOptions.out)) { return true; } + if (isUsedInFunctionOrNonStaticProperty(usage)) { + return true; + } var sourceFiles = host.getSourceFiles(); return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); } @@ -19922,7 +18976,8 @@ var ts; return declaration.kind !== 219 || !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); } - return isUsedInFunctionOrNonStaticProperty(declaration, usage); + var container = ts.getEnclosingBlockScopeContainer(declaration); + return isUsedInFunctionOrNonStaticProperty(usage, container); function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { var container = ts.getEnclosingBlockScopeContainer(declaration); switch (declaration.parent.parent.kind) { @@ -19943,8 +18998,7 @@ var ts; } return false; } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); + function isUsedInFunctionOrNonStaticProperty(usage, container) { var current = usage; while (current) { if (current === container) { @@ -20640,8 +19694,9 @@ var ts; type.intrinsicName = "boolean"; return type; } - function createObjectType(kind, symbol) { - var type = createType(kind); + function createObjectType(objectFlags, symbol) { + var type = createType(32768); + type.objectFlags = objectFlags; type.symbol = symbol; return type; } @@ -20665,7 +19720,7 @@ var ts; } return result || emptyArray; } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { + function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { type.members = members; type.properties = getNamedMembers(members); type.callSignatures = callSignatures; @@ -20677,7 +19732,7 @@ var ts; return type; } function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { - return setObjectTypeMembers(createObjectType(2097152, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + return setStructuredTypeMembers(createObjectType(16, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function forEachSymbolTableInScope(enclosingDeclaration, callback) { var result; @@ -21082,7 +20137,7 @@ var ts; } writer.writeKeyword("this"); } - else if (type.flags & 131072) { + else if (getObjectFlags(type) & 4) { writeTypeReference(type, nextFlags); } else if (type.flags & 256) { @@ -21090,18 +20145,18 @@ var ts; writePunctuation(writer, 22); appendSymbolNameOnly(type.symbol, writer); } - else if (type.flags & (32768 | 65536 | 16 | 16384)) { + else if (getObjectFlags(type) & 3 || type.flags & (16 | 16384)) { buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); } - else if (!(flags & 512) && ((type.flags & 2097152 && !type.target) || type.flags & 1572864) && type.aliasSymbol && + else if (!(flags & 512) && ((getObjectFlags(type) & 16 && !type.target) || type.flags & 196608) && type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); } - else if (type.flags & 1572864) { + else if (type.flags & 196608) { writeUnionOrIntersectionType(type, nextFlags); } - else if (type.flags & 2097152) { + else if (getObjectFlags(type) & 16) { writeAnonymousType(type, nextFlags); } else if (type.flags & 96) { @@ -21151,7 +20206,7 @@ var ts; writePunctuation(writer, 20); writePunctuation(writer, 21); } - else if (type.target.flags & 262144) { + else if (type.target.objectFlags & 8) { writePunctuation(writer, 20); writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 25); writePunctuation(writer, 21); @@ -21181,7 +20236,7 @@ var ts; if (flags & 64) { writePunctuation(writer, 18); } - if (type.flags & 524288) { + if (type.flags & 65536) { writeTypeList(formatUnionTypes(type.types), 48); } else { @@ -21670,7 +20725,6 @@ var ts; return getSymbolLinks(target).declaredType; } if (propertyName === 1) { - ts.Debug.assert(!!(target.flags & 32768)); return target.resolvedBaseConstructorType; } if (propertyName === 3) { @@ -21929,7 +20983,7 @@ var ts; result.pattern = pattern; } if (hasComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + result.objectFlags |= 256; } return result; } @@ -21983,7 +21037,7 @@ var ts; return links.type = getTypeOfPrototypeProperty(symbol); } var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 252) { + if (ts.isCatchClauseVariableDeclarationOrBindingElement(declaration)) { return links.type = anyType; } if (declaration.kind === 236) { @@ -22107,7 +21161,7 @@ var ts; links.type = anyType; } else { - var type = createObjectType(2097152, symbol); + var type = createObjectType(16, symbol); links.type = strictNullChecks && symbol.flags & 536870912 ? includeFalsyTypes(type, 2048) : type; } @@ -22160,7 +21214,7 @@ var ts; return unknownType; } function getTargetType(type) { - return type.flags & 131072 ? type.target : type; + return getObjectFlags(type) & 4 ? type.target : type; } function hasBaseType(type, checkBase) { return check(type); @@ -22220,7 +21274,7 @@ var ts; return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); } function isConstructorType(type) { - return type.flags & 2588672 && getSignaturesOfType(type, 1).length > 0; + return type.flags & 32768 && getSignaturesOfType(type, 1).length > 0; } function getBaseTypeNodeOfClass(type) { return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); @@ -22247,7 +21301,7 @@ var ts; return unknownType; } var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 2588672) { + if (baseConstructorType.flags & 32768) { resolveStructuredTypeMembers(baseConstructorType); } if (!popTypeResolution()) { @@ -22264,7 +21318,7 @@ var ts; } function getBaseTypes(type) { if (!type.resolvedBaseTypes) { - if (type.flags & 262144) { + if (type.objectFlags & 8) { type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))]; } else if (type.symbol.flags & (32 | 64)) { @@ -22284,7 +21338,7 @@ var ts; function resolveBaseTypesOfClass(type) { type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 2588672)) { + if (!(baseConstructorType.flags & 32768)) { return; } var baseTypeNode = getBaseTypeNodeOfClass(type); @@ -22305,7 +21359,7 @@ var ts; if (baseType === unknownType) { return; } - if (!(getTargetType(baseType).flags & (32768 | 65536))) { + if (!(getObjectFlags(getTargetType(baseType)) & 3)) { error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); return; } @@ -22338,7 +21392,7 @@ var ts; var node = _c[_b]; var baseType = getTypeFromTypeNode(node); if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (32768 | 65536)) { + if (getObjectFlags(getTargetType(baseType)) & 3) { if (type !== baseType && !hasBaseType(baseType, type)) { if (type.resolvedBaseTypes === emptyArray) { type.resolvedBaseTypes = [baseType]; @@ -22385,12 +21439,12 @@ var ts; function getDeclaredTypeOfClassOrInterface(symbol) { var links = getSymbolLinks(symbol); if (!links.declaredType) { - var kind = symbol.flags & 32 ? 32768 : 65536; + var kind = symbol.flags & 32 ? 1 : 2; var type = links.declaredType = createObjectType(kind, symbol); var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (outerTypeParameters || localTypeParameters || kind === 32768 || !isIndependentInterface(symbol)) { - type.flags |= 131072; + if (outerTypeParameters || localTypeParameters || kind === 1 || !isIndependentInterface(symbol)) { + type.objectFlags |= 4; type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); type.outerTypeParameters = outerTypeParameters; type.localTypeParameters = localTypeParameters; @@ -22498,7 +21552,7 @@ var ts; } enumType.memberTypes = memberTypes; if (memberTypeList.length > 1) { - enumType.flags |= 524288; + enumType.flags |= 65536; enumType.types = memberTypeList; unionTypes[getTypeListId(memberTypeList)] = enumType; } @@ -22510,7 +21564,7 @@ var ts; var links = getSymbolLinks(symbol); if (!links.declaredType) { var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - links.declaredType = enumType.flags & 524288 ? + links.declaredType = enumType.flags & 65536 ? enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] : enumType; } @@ -22656,7 +21710,7 @@ var ts; return type; } function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 131072) { + if (getObjectFlags(type) & 4) { return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); } return type; @@ -22700,7 +21754,7 @@ var ts; numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1); } } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function resolveClassOrInterfaceMembers(type) { resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); @@ -22827,7 +21881,7 @@ var ts; var constructSignatures = getUnionSignatures(type.types, 1); var stringIndexInfo = getUnionIndexInfo(type.types, 0); var numberIndexInfo = getUnionIndexInfo(type.types, 1); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function intersectTypes(type1, type2) { return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); @@ -22847,7 +21901,7 @@ var ts; stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0)); numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1)); } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function resolveAnonymousTypeMembers(type) { var symbol = type.symbol; @@ -22857,7 +21911,7 @@ var ts; var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0), type.mapper); var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } else if (symbol.flags & 2048) { var members = symbol.members; @@ -22865,7 +21919,7 @@ var ts; var constructSignatures = getSignaturesOfSymbol(members["__new"]); var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0); var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } else { var members = emptySymbols; @@ -22880,13 +21934,13 @@ var ts; constructSignatures = getDefaultConstructSignatures(classType); } var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 2588672) { + if (baseConstructorType.flags & 32768) { members = createSymbolTable(getNamedMembers(members)); addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); } } var numberIndexInfo = symbol.flags & 384 ? enumNumberIndexInfo : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); + setStructuredTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); if (symbol.flags & (16 | 8192)) { type.callSignatures = getSignaturesOfSymbol(symbol); } @@ -22894,32 +21948,34 @@ var ts; } function resolveStructuredTypeMembers(type) { if (!type.members) { - if (type.flags & 131072) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (32768 | 65536)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 2097152) { - resolveAnonymousTypeMembers(type); + if (type.flags & 32768) { + if (type.objectFlags & 4) { + resolveTypeReferenceMembers(type); + } + else if (type.objectFlags & 3) { + resolveClassOrInterfaceMembers(type); + } + else if (type.objectFlags & 16) { + resolveAnonymousTypeMembers(type); + } } - else if (type.flags & 524288) { + else if (type.flags & 65536) { resolveUnionTypeMembers(type); } - else if (type.flags & 1048576) { + else if (type.flags & 131072) { resolveIntersectionTypeMembers(type); } } return type; } function getPropertiesOfObjectType(type) { - if (type.flags & 2588672) { + if (type.flags & 32768) { return resolveStructuredTypeMembers(type).properties; } return emptyArray; } function getPropertyOfObjectType(type, name) { - if (type.flags & 2588672) { + if (type.flags & 32768) { var resolved = resolveStructuredTypeMembers(type); var symbol = resolved.members[name]; if (symbol && symbolIsValue(symbol)) { @@ -22934,7 +21990,7 @@ var ts; var prop = _c[_b]; getUnionOrIntersectionProperty(type, prop.name); } - if (type.flags & 524288) { + if (type.flags & 65536) { break; } } @@ -22953,7 +22009,7 @@ var ts; } function getPropertiesOfType(type) { type = getApparentType(type); - return type.flags & 1572864 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + return type.flags & 196608 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); } function getApparentTypeOfTypeParameter(type) { if (!type.resolvedApparentType) { @@ -22986,7 +22042,7 @@ var ts; function createUnionOrIntersectionProperty(containingType, name) { var types = containingType.types; var props; - var commonFlags = (containingType.flags & 1048576) ? 536870912 : 0; + var commonFlags = (containingType.flags & 131072) ? 536870912 : 0; var isReadonly = false; var isPartial = false; for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { @@ -23006,7 +22062,7 @@ var ts; isReadonly = true; } } - else if (containingType.flags & 524288) { + else if (containingType.flags & 65536) { isPartial = true; } } @@ -23041,7 +22097,7 @@ var ts; result.isPartial = isPartial; result.declarations = declarations; result.isReadonly = isReadonly; - result.type = containingType.flags & 524288 ? getUnionType(propTypes) : getIntersectionType(propTypes); + result.type = containingType.flags & 65536 ? getUnionType(propTypes) : getIntersectionType(propTypes); return result; } function getUnionOrIntersectionProperty(type, name) { @@ -23061,7 +22117,7 @@ var ts; } function getPropertyOfType(type, name) { type = getApparentType(type); - if (type.flags & 2588672) { + if (type.flags & 32768) { var resolved = resolveStructuredTypeMembers(type); var symbol = resolved.members[name]; if (symbol && symbolIsValue(symbol)) { @@ -23075,13 +22131,13 @@ var ts; } return getPropertyOfObjectType(globalObjectType, name); } - if (type.flags & 1572864) { + if (type.flags & 196608) { return getPropertyOfUnionOrIntersectionType(type, name); } return undefined; } function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 4161536) { + if (type.flags & 229376) { var resolved = resolveStructuredTypeMembers(type); return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; } @@ -23091,7 +22147,7 @@ var ts; return getSignaturesOfStructuredType(getApparentType(type), kind); } function getIndexInfoOfStructuredType(type, kind) { - if (type.flags & 4161536) { + if (type.flags & 229376) { var resolved = resolveStructuredTypeMembers(type); return kind === 0 ? resolved.stringIndexInfo : resolved.numberIndexInfo; } @@ -23364,7 +22420,7 @@ var ts; function getRestTypeOfSignature(signature) { if (signature.hasRestParameter) { var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 131072 && type.target === globalArrayType) { + if (getObjectFlags(type) & 4 && type.target === globalArrayType) { return type.typeArguments[0]; } } @@ -23384,7 +22440,7 @@ var ts; function getOrCreateTypeFromSignature(signature) { if (!signature.isolatedSignatureType) { var isConstructor = signature.declaration.kind === 149 || signature.declaration.kind === 153; - var type = createObjectType(2097152); + var type = createObjectType(16); type.members = emptySymbols; type.properties = emptyArray; type.callSignatures = !isConstructor ? [signature] : emptyArray; @@ -23490,22 +22546,23 @@ var ts; result |= type.flags; } } - return result & 234881024; + return result & 3670016; } function createTypeReference(target, typeArguments) { var id = getTypeListId(typeArguments); var type = target.instantiations[id]; if (!type) { - var propagatedFlags = typeArguments ? getPropagatingFlagsOfTypes(typeArguments, 0) : 0; - var flags = 131072 | propagatedFlags; - type = target.instantiations[id] = createObjectType(flags, target.symbol); + type = target.instantiations[id] = createObjectType(4, target.symbol); + type.flags |= typeArguments ? getPropagatingFlagsOfTypes(typeArguments, 0) : 0; type.target = target; type.typeArguments = typeArguments; } return type; } function cloneTypeReference(source) { - var type = createObjectType(source.flags, source.symbol); + var type = createType(source.flags); + type.symbol = source.symbol; + type.objectFlags = source.objectFlags; type.target = source.target; type.typeArguments = source.typeArguments; return type; @@ -23641,7 +22698,7 @@ var ts; return arity ? emptyGenericType : emptyObjectType; } var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 2588672)) { + if (!(type.flags & 32768)) { error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); return arity ? emptyGenericType : emptyObjectType; } @@ -23704,7 +22761,7 @@ var ts; property.type = typeParameter; properties.push(property); } - var type = createObjectType(262144 | 131072); + var type = createObjectType(8 | 4); type.typeParameters = typeParameters; type.outerTypeParameters = undefined; type.localTypeParameters = typeParameters; @@ -23759,7 +22816,7 @@ var ts; } function addTypeToUnion(typeSet, type) { var flags = type.flags; - if (flags & 524288) { + if (flags & 65536) { addTypesToUnion(typeSet, type.types); } else if (flags & 1) { @@ -23770,7 +22827,7 @@ var ts; typeSet.containsUndefined = true; if (flags & 4096) typeSet.containsNull = true; - if (!(flags & 33554432)) + if (!(flags & 524288)) typeSet.containsNonWideningType = true; } else if (!(flags & 8192)) { @@ -23783,7 +22840,8 @@ var ts; var len = typeSet.length; var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type); if (index < 0) { - if (!(flags & 2097152 && type.symbol && type.symbol.flags & (16 | 8192) && containsIdenticalType(typeSet, type))) { + if (!(flags & 32768 && type.objectFlags & 16 && + type.symbol && type.symbol.flags & (16 | 8192) && containsIdenticalType(typeSet, type))) { typeSet.splice(~index, 0, type); } } @@ -23845,7 +22903,7 @@ var ts; var t = types[i]; var remove = t.flags & 32 && types.containsString || t.flags & 64 && types.containsNumber || - t.flags & 96 && t.flags & 16777216 && containsType(types, t.regularType); + t.flags & 96 && t.flags & 262144 && containsType(types, t.regularType); if (remove) { ts.orderedRemoveItemAt(types, i); } @@ -23887,7 +22945,7 @@ var ts; var type = unionTypes[id]; if (!type) { var propagatedFlags = getPropagatingFlagsOfTypes(types, 6144); - type = unionTypes[id] = createObjectType(524288 | propagatedFlags); + type = unionTypes[id] = createType(65536 | propagatedFlags); type.types = types; type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; @@ -23902,7 +22960,7 @@ var ts; return links.resolvedType; } function addTypeToIntersection(typeSet, type) { - if (type.flags & 1048576) { + if (type.flags & 131072) { addTypesToIntersection(typeSet, type.types); } else if (type.flags & 1) { @@ -23922,6 +22980,17 @@ var ts; if (types.length === 0) { return emptyObjectType; } + var _loop_1 = function (i) { + var type_1 = types[i]; + if (type_1.flags & 65536) { + return { value: getUnionType(ts.map(type_1.types, function (t) { return getIntersectionType(ts.replaceElement(types, i, t)); }), false, aliasSymbol, aliasTypeArguments) }; + } + }; + for (var i = 0; i < types.length; i++) { + var state_2 = _loop_1(i); + if (typeof state_2 === "object") + return state_2.value; + } var typeSet = []; addTypesToIntersection(typeSet, types); if (typeSet.containsAny) { @@ -23934,7 +23003,7 @@ var ts; var type = intersectionTypes[id]; if (!type) { var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, 6144); - type = intersectionTypes[id] = createObjectType(1048576 | propagatedFlags); + type = intersectionTypes[id] = createType(131072 | propagatedFlags); type.types = typeSet; type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; @@ -23951,7 +23020,7 @@ var ts; function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments) { var links = getNodeLinks(node); if (!links.resolvedType) { - var type = createObjectType(2097152, node.symbol); + var type = createObjectType(16, node.symbol); type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; links.resolvedType = type; @@ -23964,9 +23033,9 @@ var ts; return type; } function getFreshTypeOfLiteralType(type) { - if (type.flags & 96 && !(type.flags & 16777216)) { + if (type.flags & 96 && !(type.flags & 262144)) { if (!type.freshType) { - var freshType = createLiteralType(type.flags | 16777216, type.text); + var freshType = createLiteralType(type.flags | 262144, type.text); freshType.regularType = type; type.freshType = freshType; } @@ -23975,7 +23044,7 @@ var ts; return type; } function getRegularTypeOfLiteralType(type) { - return type.flags & 96 && type.flags & 16777216 ? type.regularType : type; + return type.flags & 96 && type.flags & 262144 ? type.regularType : type; } function getLiteralTypeForText(flags, text) { var map = flags & 32 ? stringLiteralTypes : numericLiteralTypes; @@ -24239,7 +23308,7 @@ var ts; else { mapper.instantiations = []; } - var result = createObjectType(2097152 | 4194304, type.symbol); + var result = createObjectType(16 | 32, type.symbol); result.target = type; result.mapper = mapper; result.aliasSymbol = type.aliasSymbol; @@ -24298,19 +23367,21 @@ var ts; if (type.flags & 16384) { return mapper(type); } - if (type.flags & 2097152) { - return type.symbol && - type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) && - (type.flags & 4194304 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? - instantiateAnonymousType(type, mapper) : type; - } - if (type.flags & 131072) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + if (type.flags & 32768) { + if (type.objectFlags & 16) { + return type.symbol && + type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) && + (type.objectFlags & 32 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? + instantiateAnonymousType(type, mapper) : type; + } + if (type.objectFlags & 4) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + } } - if (type.flags & 524288 && !(type.flags & 8190)) { + if (type.flags & 65536 && !(type.flags & 8190)) { return getUnionType(instantiateList(type.types, mapper, instantiateType), false, type.aliasSymbol, mapper.targetTypes); } - if (type.flags & 1048576) { + if (type.flags & 131072) { return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes); } } @@ -24362,10 +23433,10 @@ var ts; return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func); } function getTypeWithoutSignatures(type) { - if (type.flags & 2588672) { + if (type.flags & 32768) { var resolved = resolveStructuredTypeMembers(type); if (resolved.constructSignatures.length) { - var result = createObjectType(2097152, type.symbol); + var result = createObjectType(16, type.symbol); result.members = resolved.members; result.properties = resolved.properties; result.callSignatures = emptyArray; @@ -24544,7 +23615,7 @@ var ts; } if (source.symbol.name !== target.symbol.name || !(source.symbol.flags & 256) || !(target.symbol.flags & 256) || - (source.flags & 524288) !== (target.flags & 524288)) { + (source.flags & 65536) !== (target.flags & 65536)) { return enumRelation[id] = false; } var targetEnumType = getTypeOfSymbol(target.symbol); @@ -24601,23 +23672,23 @@ var ts; return false; } function isTypeRelatedTo(source, target, relation) { - if (source.flags & 96 && source.flags & 16777216) { + if (source.flags & 96 && source.flags & 262144) { source = source.regularType; } - if (target.flags & 96 && target.flags & 16777216) { + if (target.flags & 96 && target.flags & 262144) { target = target.regularType; } if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) { return true; } - if (source.flags & 2588672 && target.flags & 2588672) { + if (source.flags & 32768 && target.flags & 32768) { var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; var related = relation[id]; if (related !== undefined) { return related === 1; } } - if (source.flags & 4177920 || target.flags & 4177920) { + if (source.flags & 245760 || target.flags & 245760) { return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined); } return false; @@ -24672,10 +23743,10 @@ var ts; } function isRelatedTo(source, target, reportErrors, headMessage) { var result; - if (source.flags & 96 && source.flags & 16777216) { + if (source.flags & 96 && source.flags & 262144) { source = source.regularType; } - if (target.flags & 96 && target.flags & 16777216) { + if (target.flags & 96 && target.flags & 262144) { target = target.regularType; } if (source === target) @@ -24685,19 +23756,19 @@ var ts; } if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) return -1; - if (source.flags & 8388608 && source.flags & 16777216) { + if (getObjectFlags(source) & 64 && source.flags & 262144) { if (hasExcessProperties(source, target, reportErrors)) { if (reportErrors) { reportRelationError(headMessage, source, target); } return 0; } - if (target.flags & 1572864) { + if (target.flags & 196608) { source = getRegularTypeOfObjectLiteral(source); } } var saveErrorInfo = errorInfo; - if (source.flags & 524288) { + if (source.flags & 65536) { if (relation === comparableRelation) { result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); } @@ -24708,22 +23779,19 @@ var ts; return result; } } - else if (target.flags & 1048576) { - result = typeRelatedToEachType(source, target, reportErrors); - if (result) { + else if (target.flags & 65536) { + if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190) && !(target.flags & 8190))) { return result; } } - else { - if (source.flags & 1048576) { - if (result = someTypeRelatedToType(source, target, false)) { - return result; - } + else if (target.flags & 131072) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; } - if (target.flags & 524288) { - if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190) && !(target.flags & 8190))) { - return result; - } + } + else if (source.flags & 131072) { + if (result = someTypeRelatedToType(source, target, false)) { + return result; } } if (source.flags & 16384) { @@ -24739,13 +23807,13 @@ var ts; } } else { - if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { + if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { return result; } } var apparentSource = getApparentType(source); - if (apparentSource.flags & (2588672 | 1048576) && target.flags & 2588672) { + if (apparentSource.flags & (32768 | 131072) && target.flags & 32768) { var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190); if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { errorInfo = saveErrorInfo; @@ -24754,10 +23822,10 @@ var ts; } } if (reportErrors) { - if (source.flags & 2588672 && target.flags & 8190) { + if (source.flags & 32768 && target.flags & 8190) { tryElaborateErrorsForPrimitivesAndObjects(source, target); } - else if (source.symbol && source.flags & 2588672 && globalObjectType === source) { + else if (source.symbol && source.flags & 32768 && globalObjectType === source) { reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); } reportRelationError(headMessage, source, target); @@ -24766,16 +23834,16 @@ var ts; } function isIdenticalTo(source, target) { var result; - if (source.flags & 2588672 && target.flags & 2588672) { - if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { + if (source.flags & 32768 && target.flags & 32768) { + if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { if (result = typeArgumentsRelatedTo(source, target, false)) { return result; } } return objectTypeRelatedTo(source, source, target, false); } - if (source.flags & 524288 && target.flags & 524288 || - source.flags & 1048576 && target.flags & 1048576) { + if (source.flags & 65536 && target.flags & 65536 || + source.flags & 131072 && target.flags & 131072) { if (result = eachTypeRelatedToSomeType(source, target)) { if (result &= eachTypeRelatedToSomeType(target, source)) { return result; @@ -24785,7 +23853,7 @@ var ts; return 0; } function isKnownProperty(type, name) { - if (type.flags & 2588672) { + if (type.flags & 32768) { var resolved = resolveStructuredTypeMembers(type); if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) || resolved.stringIndexInfo || @@ -24794,7 +23862,7 @@ var ts; return true; } } - else if (type.flags & 1572864) { + else if (type.flags & 196608) { for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var t = _a[_i]; if (isKnownProperty(t, name)) { @@ -24812,8 +23880,7 @@ var ts; !t.numberIndexInfo; } function hasExcessProperties(source, target, reportErrors) { - if (maybeTypeOfKind(target, 2588672) && - (!(target.flags & 2588672) || !target.isObjectLiteralPatternWithComputedProperties)) { + if (maybeTypeOfKind(target, 32768) && !(getObjectFlags(target) & 256)) { for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { var prop = _a[_i]; if (!isKnownProperty(target, prop.name)) { @@ -24843,7 +23910,7 @@ var ts; } function typeRelatedToSomeType(source, target, reportErrors) { var targetTypes = target.types; - if (target.flags & 524288 && containsType(targetTypes, source)) { + if (target.flags & 65536 && containsType(targetTypes, source)) { return -1; } var len = targetTypes.length; @@ -24870,7 +23937,7 @@ var ts; } function someTypeRelatedToType(source, target, reportErrors) { var sourceTypes = source.types; - if (source.flags & 524288 && containsType(sourceTypes, target)) { + if (source.flags & 65536 && containsType(sourceTypes, target)) { return -1; } var len = sourceTypes.length; @@ -24990,7 +24057,7 @@ var ts; } var result = -1; var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 8388608); + var requireOptionalProperties = relation === subtypeRelation && !(getObjectFlags(source) & 64); for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { var targetProp = properties_2[_i]; var sourceProp = getPropertyOfType(source, targetProp.name); @@ -25056,7 +24123,7 @@ var ts; return result; } function propertiesIdenticalTo(source, target) { - if (!(source.flags & 2588672 && target.flags & 2588672)) { + if (!(source.flags & 32768 && target.flags & 32768)) { return 0; } var sourceProperties = getPropertiesOfObjectType(source); @@ -25228,7 +24295,7 @@ var ts; } } function isAbstractConstructorType(type) { - if (type.flags & 2097152) { + if (getObjectFlags(type) & 16) { var symbol = type.symbol; if (symbol && symbol.flags & 32) { var declaration = getClassLikeDeclarationOfSymbol(symbol); @@ -25240,12 +24307,12 @@ var ts; return false; } function isDeeplyNestedGeneric(type, stack, depth) { - if (type.flags & (131072 | 4194304) && depth >= 5) { + if (getObjectFlags(type) & (4 | 32) && depth >= 5) { var symbol = type.symbol; var count = 0; for (var i = 0; i < depth; i++) { var t = stack[i]; - if (t.flags & (131072 | 4194304) && t.symbol === symbol) { + if (getObjectFlags(t) & (4 | 32) && t.symbol === symbol) { count++; if (count >= 5) return true; @@ -25403,10 +24470,10 @@ var ts; checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); } function isArrayType(type) { - return type.flags & 131072 && type.target === globalArrayType; + return getObjectFlags(type) & 4 && type.target === globalArrayType; } function isArrayLikeType(type) { - return type.flags & 131072 && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || + return getObjectFlags(type) & 4 && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || !(type.flags & 6144) && isTypeAssignableTo(type, anyReadonlyArrayType); } function isTupleLikeType(type) { @@ -25417,7 +24484,7 @@ var ts; } function isLiteralType(type) { return type.flags & 8 ? true : - type.flags & 524288 ? type.flags & 16 ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : + type.flags & 65536 ? type.flags & 16 ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : isUnitType(type); } function getBaseTypeOfLiteralType(type) { @@ -25425,19 +24492,19 @@ var ts; type.flags & 64 ? numberType : type.flags & 128 ? booleanType : type.flags & 256 ? type.baseType : - type.flags & 524288 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : + type.flags & 65536 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : type; } function getWidenedLiteralType(type) { - return type.flags & 32 && type.flags & 16777216 ? stringType : - type.flags & 64 && type.flags & 16777216 ? numberType : + return type.flags & 32 && type.flags & 262144 ? stringType : + type.flags & 64 && type.flags & 262144 ? numberType : type.flags & 128 ? booleanType : type.flags & 256 ? type.baseType : - type.flags & 524288 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : + type.flags & 65536 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : type; } function isTupleType(type) { - return !!(type.flags & 131072 && type.target.flags & 262144); + return !!(getObjectFlags(type) & 4 && type.target.objectFlags & 8); } function getFalsyFlagsOfTypes(types) { var result = 0; @@ -25448,7 +24515,7 @@ var ts; return result; } function getFalsyFlags(type) { - return type.flags & 524288 ? getFalsyFlagsOfTypes(type.types) : + return type.flags & 65536 ? getFalsyFlagsOfTypes(type.types) : type.flags & 32 ? type.text === "" ? 32 : 0 : type.flags & 64 ? type.text === "0" ? 64 : 0 : type.flags & 128 ? type === falseType ? 128 : 0 : @@ -25509,7 +24576,7 @@ var ts; return members; } function getRegularTypeOfObjectLiteral(type) { - if (!(type.flags & 8388608 && type.flags & 16777216)) { + if (!(getObjectFlags(type) & 64 && type.flags & 262144)) { return type; } var regularType = type.regularType; @@ -25519,7 +24586,8 @@ var ts; var resolved = type; var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo); - regularNew.flags = resolved.flags & ~16777216; + regularNew.flags = resolved.flags & ~262144; + regularNew.objectFlags |= 64; type.regularType = regularNew; return regularNew; } @@ -25536,14 +24604,14 @@ var ts; return type.flags & 6144 ? type : getWidenedType(type); } function getWidenedType(type) { - if (type.flags & 100663296) { + if (type.flags & 1572864) { if (type.flags & 6144) { return anyType; } - if (type.flags & 8388608) { + if (getObjectFlags(type) & 64) { return getWidenedTypeOfObjectLiteral(type); } - if (type.flags & 524288) { + if (type.flags & 65536) { return getUnionType(ts.sameMap(type.types, getWidenedConstituentType)); } if (isArrayType(type) || isTupleType(type)) { @@ -25554,7 +24622,7 @@ var ts; } function reportWideningErrorsInType(type) { var errorReported = false; - if (type.flags & 524288) { + if (type.flags & 65536) { for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var t = _a[_i]; if (reportWideningErrorsInType(t)) { @@ -25570,11 +24638,11 @@ var ts; } } } - if (type.flags & 8388608) { + if (getObjectFlags(type) & 64) { for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { var p = _e[_d]; var t = getTypeOfSymbol(p); - if (t.flags & 33554432) { + if (t.flags & 524288) { if (!reportWideningErrorsInType(t)) { error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); } @@ -25619,7 +24687,7 @@ var ts; error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); } function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 33554432) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 524288) { if (!reportWideningErrorsInType(type)) { reportImplicitAnyError(declaration, type); } @@ -25664,9 +24732,9 @@ var ts; } function couldContainTypeParameters(type) { return !!(type.flags & 16384 || - type.flags & 131072 && ts.forEach(type.typeArguments, couldContainTypeParameters) || - type.flags & 2097152 && type.symbol && type.symbol.flags & (8192 | 2048 | 32) || - type.flags & 1572864 && couldUnionOrIntersectionContainTypeParameters(type)); + getObjectFlags(type) & 4 && ts.forEach(type.typeArguments, couldContainTypeParameters) || + getObjectFlags(type) & 16 && type.symbol && type.symbol.flags & (8192 | 2048 | 32) || + type.flags & 196608 && couldUnionOrIntersectionContainTypeParameters(type)); } function couldUnionOrIntersectionContainTypeParameters(type) { if (type.couldContainTypeParameters === undefined) { @@ -25675,7 +24743,7 @@ var ts; return type.couldContainTypeParameters; } function isTypeParameterAtTopLevel(type, typeParameter) { - return type === typeParameter || type.flags & 1572864 && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); + return type === typeParameter || type.flags & 196608 && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); } function inferTypes(context, originalSource, originalTarget) { var typeParameters = context.signature.typeParameters; @@ -25697,8 +24765,8 @@ var ts; if (!couldContainTypeParameters(target)) { return; } - if (source.flags & 524288 && target.flags & 524288 && !(source.flags & 16 && target.flags & 16) || - source.flags & 1048576 && target.flags & 1048576) { + if (source.flags & 65536 && target.flags & 65536 && !(source.flags & 16 && target.flags & 16) || + source.flags & 131072 && target.flags & 131072) { if (source === target) { for (var _i = 0, _a = source.types; _i < _a.length; _i++) { var t = _a[_i]; @@ -25726,7 +24794,7 @@ var ts; } } if (target.flags & 16384) { - if (source.flags & 134217728) { + if (source.flags & 2097152) { return; } for (var i = 0; i < typeParameters.length; i++) { @@ -25747,7 +24815,7 @@ var ts; } } } - else if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { + else if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { var sourceTypes = source.typeArguments || emptyArray; var targetTypes = target.typeArguments || emptyArray; var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; @@ -25755,7 +24823,7 @@ var ts; inferFromTypes(sourceTypes[i], targetTypes[i]); } } - else if (target.flags & 1572864) { + else if (target.flags & 196608) { var targetTypes = target.types; var typeParameterCount = 0; var typeParameter = void 0; @@ -25775,7 +24843,7 @@ var ts; inferiority--; } } - else if (source.flags & 1572864) { + else if (source.flags & 196608) { var sourceTypes = source.types; for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) { var sourceType = sourceTypes_3[_e]; @@ -25784,7 +24852,7 @@ var ts; } else { source = getApparentType(source); - if (source.flags & 2588672) { + if (source.flags & 32768) { if (isInProcess(source, target)) { return; } @@ -25880,7 +24948,7 @@ var ts; reducedTypes.push(t); } } - return type.flags & 524288 ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); + return type.flags & 65536 ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); } function getInferenceCandidates(context, index) { var inferences = context.inferences[index]; @@ -26017,7 +25085,7 @@ var ts; return undefined; } function isDiscriminantProperty(type, name) { - if (type && type.flags & 524288) { + if (type && type.flags & 65536) { var prop = getUnionOrIntersectionProperty(type, name); if (prop && prop.flags & 268435456) { if (prop.isDiscriminantProperty === undefined) { @@ -26054,7 +25122,7 @@ var ts; return flow.id; } function typeMaybeAssignableTo(source, target) { - if (!(source.flags & 524288)) { + if (!(source.flags & 65536)) { return isTypeAssignableTo(source, target); } for (var _i = 0, _a = source.types; _i < _a.length; _i++) { @@ -26117,7 +25185,7 @@ var ts; type === falseType ? 3030404 : 1981828 : type === falseType ? 3145092 : 4193668; } - if (flags & 2588672) { + if (flags & 32768) { return isFunctionObjectType(type) ? strictNullChecks ? 6164448 : 8376288 : strictNullChecks ? 6166480 : 8378320; @@ -26135,7 +25203,7 @@ var ts; var constraint = getConstraintOfTypeParameter(type); return getTypeFacts(constraint || emptyObjectType); } - if (flags & 1572864) { + if (flags & 196608) { return getTypeFactsOfTypes(type.types); } return 8388607; @@ -26283,13 +25351,13 @@ var ts; return links.switchTypes; } function eachTypeContainedIn(source, types) { - return source.flags & 524288 ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + return source.flags & 65536 ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); } function isTypeSubsetOf(source, target) { - return source === target || target.flags & 524288 && isTypeSubsetOfUnion(source, target); + return source === target || target.flags & 65536 && isTypeSubsetOfUnion(source, target); } function isTypeSubsetOfUnion(source, target) { - if (source.flags & 524288) { + if (source.flags & 65536) { for (var _i = 0, _a = source.types; _i < _a.length; _i++) { var t = _a[_i]; if (!containsType(target.types, t)) { @@ -26304,7 +25372,7 @@ var ts; return containsType(target.types, source); } function filterType(type, f) { - if (type.flags & 524288) { + if (type.flags & 65536) { var types = type.types; var filtered = ts.filter(types, f); return filtered === types ? type : getUnionTypeFromSortedList(filtered); @@ -26312,7 +25380,7 @@ var ts; return f(type) ? type : neverType; } function mapType(type, f) { - return type.flags & 524288 ? getUnionType(ts.map(type.types, f)) : f(type); + return type.flags & 65536 ? getUnionType(ts.map(type.types, f)) : f(type); } function extractTypesOfKind(type, kind) { return filterType(type, function (t) { return (t.flags & kind) !== 0; }); @@ -26338,7 +25406,7 @@ var ts; return incomplete ? { flags: 0, type: type } : type; } function createEvolvingArrayType(elementType) { - var result = createObjectType(2097152); + var result = createObjectType(128); result.elementType = elementType; return result; } @@ -26349,13 +25417,10 @@ var ts; var elementType = getBaseTypeOfLiteralType(checkExpression(node)); return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); } - function isEvolvingArrayType(type) { - return !!(type.flags & 2097152 && type.elementType); - } function createFinalArrayType(elementType) { return elementType.flags & 8192 ? autoArrayType : - createArrayType(elementType.flags & 524288 ? + createArrayType(elementType.flags & 65536 ? getUnionType(elementType.types, true) : elementType); } @@ -26363,17 +25428,17 @@ var ts; return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); } function finalizeEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? getFinalArrayType(type) : type; + return getObjectFlags(type) & 128 ? getFinalArrayType(type) : type; } function getElementTypeOfEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? type.elementType : neverType; + return getObjectFlags(type) & 128 ? type.elementType : neverType; } function isEvolvingArrayTypeList(types) { var hasEvolvingArrayType = false; for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { var t = types_12[_i]; if (!(t.flags & 8192)) { - if (!isEvolvingArrayType(t)) { + if (!(getObjectFlags(t) & 128)) { return false; } hasEvolvingArrayType = true; @@ -26402,7 +25467,7 @@ var ts; } function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) { var key; - if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 4178943)) { + if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 246783)) { return declaredType; } var initialType = assumeInitialized ? declaredType : @@ -26411,7 +25476,7 @@ var ts; var visitedFlowStart = visitedFlowCount; var evolvedType = getTypeFromFlowType(getTypeAtFlowNode(reference.flowNode)); visitedFlowCount = visitedFlowStart; - var resultType = isEvolvingArrayType(evolvedType) && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); + var resultType = getObjectFlags(evolvedType) & 128 && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); if (reference.parent.kind === 197 && getTypeWithFacts(resultType, 524288).flags & 8192) { return declaredType; } @@ -26488,7 +25553,7 @@ var ts; var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(node)); return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; } - if (declaredType.flags & 524288) { + if (declaredType.flags & 65536) { return getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)); } return declaredType; @@ -26506,7 +25571,7 @@ var ts; if (isMatchingReference(reference, getReferenceCandidate(expr))) { var flowType = getTypeAtFlowNode(flow.antecedent); var type = getTypeFromFlowType(flowType); - if (isEvolvingArrayType(type)) { + if (getObjectFlags(type) & 128) { var evolvedType_1 = type; if (node.kind === 175) { for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { @@ -26627,7 +25692,7 @@ var ts; } function isMatchingReferenceDiscriminant(expr) { return expr.kind === 173 && - declaredType.flags & 524288 && + declaredType.flags & 65536 && isMatchingReference(reference, expr.expression) && isDiscriminantProperty(declaredType, expr.name.text); } @@ -26709,7 +25774,7 @@ var ts; assumeTrue ? 16384 : 131072; return getTypeWithFacts(type, facts); } - if (type.flags & 2589185) { + if (type.flags & 33281) { return type; } if (assumeTrue) { @@ -26733,7 +25798,7 @@ var ts; if (operator === 32 || operator === 34) { assumeTrue = !assumeTrue; } - if (assumeTrue && !(type.flags & 524288)) { + if (assumeTrue && !(type.flags & 65536)) { var targetType = typeofTypesByName[literal.text]; if (targetType && isTypeSubtypeOf(targetType, type)) { return targetType; @@ -26785,10 +25850,10 @@ var ts; } if (!targetType) { var constructSignatures = void 0; - if (rightType.flags & 65536) { + if (getObjectFlags(rightType) & 2) { constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; } - else if (rightType.flags & 2097152) { + else if (getObjectFlags(rightType) & 16) { constructSignatures = getSignaturesOfType(rightType, 1); } if (constructSignatures && constructSignatures.length) { @@ -26804,7 +25869,7 @@ var ts; if (!assumeTrue) { return filterType(type, function (t) { return !isTypeInstanceOf(t, candidate); }); } - if (type.flags & 524288) { + if (type.flags & 65536) { var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); }); if (!(assignableType.flags & 8192)) { return assignableType; @@ -27496,7 +26561,7 @@ var ts; return undefined; } function applyToContextualType(type, mapper) { - if (!(type.flags & 524288)) { + if (!(type.flags & 65536)) { return mapper(type); } var types = type.types; @@ -27521,7 +26586,7 @@ var ts; } function getTypeOfPropertyOfContextualType(type, name) { return applyToContextualType(type, function (t) { - var prop = t.flags & 4161536 ? getPropertyOfType(t, name) : undefined; + var prop = t.flags & 229376 ? getPropertyOfType(t, name) : undefined; return prop ? getTypeOfSymbol(prop) : undefined; }); } @@ -27529,7 +26594,7 @@ var ts; return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); } function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 524288 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + return !!(type.flags & 65536 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); } function getContextualTypeForObjectLiteralMethod(node) { ts.Debug.assert(ts.isObjectLiteralMethod(node)); @@ -27664,7 +26729,7 @@ var ts; if (!type) { return undefined; } - if (!(type.flags & 524288)) { + if (!(type.flags & 65536)) { return getNonGenericSignature(type); } var signatureList; @@ -27836,8 +26901,7 @@ var ts; patternWithComputedProperties = true; } } - else if (contextualTypeHasPattern && - !(contextualType.flags & 2588672 && contextualType.isObjectLiteralPatternWithComputedProperties)) { + else if (contextualTypeHasPattern && !(getObjectFlags(contextualType) & 256)) { var impliedProp = getPropertyOfType(contextualType, member.name); if (impliedProp) { prop.flags |= impliedProp.flags & 536870912; @@ -27887,10 +26951,11 @@ var ts; var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0) : undefined; var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1) : undefined; var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 16777216; - result.flags |= 8388608 | 67108864 | freshObjectLiteralFlag | (typeFlags & 234881024); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 262144; + result.flags |= 1048576 | freshObjectLiteralFlag | (typeFlags & 3670016); + result.objectFlags |= 64; if (patternWithComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + result.objectFlags |= 256; } if (inDestructuringPattern) { result.pattern = node; @@ -28020,7 +27085,7 @@ var ts; return links.resolvedSymbol; } function getJsxElementInstanceType(node, valueType) { - ts.Debug.assert(!(valueType.flags & 524288)); + ts.Debug.assert(!(valueType.flags & 65536)); if (isTypeAny(valueType)) { return anyType; } @@ -28059,7 +27124,7 @@ var ts; if (!elemType) { elemType = checkExpression(node.tagName); } - if (elemType.flags & 524288) { + if (elemType.flags & 65536) { var types = elemType.types; return getUnionType(ts.map(types, function (type) { return getResolvedJsxType(node, type, elemClassType); @@ -28121,7 +27186,7 @@ var ts; else if (isTypeAny(attributesType) || (attributesType === unknownType)) { return attributesType; } - else if (attributesType.flags & 524288) { + else if (attributesType.flags & 65536) { error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); return anyType; } @@ -28201,7 +27266,10 @@ var ts; var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); if (reactSym) { - getSymbolLinks(reactSym).referenced = true; + reactSym.isReferenced = true; + if (reactSym.flags & 8388608 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(reactSym))) { + markAliasSymbolAsReferenced(reactSym); + } } var targetAttributesType = getJsxElementAttributesType(node); var nameTable = ts.createMap(); @@ -28289,7 +27357,7 @@ var ts; if (type.flags & 16384 && type.isThisType) { type = getConstraintOfTypeParameter(type); } - if (!(getTargetType(type).flags & (32768 | 65536) && hasBaseType(type, enclosingClass))) { + if (!(getObjectFlags(getTargetType(type)) & 3 && hasBaseType(type, enclosingClass))) { error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); return false; } @@ -28348,13 +27416,13 @@ var ts; var propType = getTypeOfSymbol(prop); if (node.kind !== 173 || ts.isAssignmentTarget(node) || !(prop.flags & (3 | 4 | 98304)) && - !(prop.flags & 8192 && propType.flags & 524288)) { + !(prop.flags & 8192 && propType.flags & 65536)) { return propType; } return getFlowTypeOfReference(node, propType, true, undefined); function reportNonexistentProperty(propNode, containingType) { var errorInfo; - if (containingType.flags & 524288 && !(containingType.flags & 8190)) { + if (containingType.flags & 65536 && !(containingType.flags & 8190)) { for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { var subtype = _a[_i]; if (!getPropertyOfType(subtype, propNode.text)) { @@ -28641,7 +27709,7 @@ var ts; return callIsIncomplete || hasEnoughArguments; } function getSingleCallSignature(type) { - if (type.flags & 2588672) { + if (type.flags & 32768) { var resolved = resolveStructuredTypeMembers(type); if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { @@ -29116,7 +28184,7 @@ var ts; return true; } if (!numCallSignatures && !numConstructSignatures) { - if (funcType.flags & 524288) { + if (funcType.flags & 65536) { return false; } return isTypeAssignableTo(funcType, globalFunctionType); @@ -29316,13 +28384,33 @@ var ts; return anyType; } } - if (ts.isInJavaScriptFile(node) && - ts.isRequireCall(node, true) && - !resolveName(node.expression, node.expression.text, 107455, undefined, undefined)) { + if (ts.isInJavaScriptFile(node) && isCommonJsRequire(node)) { return resolveExternalModuleTypeByLiteral(node.arguments[0]); } return getReturnTypeOfSignature(signature); } + function isCommonJsRequire(node) { + if (!ts.isRequireCall(node, true)) { + return false; + } + var resolvedRequire = resolveName(node.expression, node.expression.text, 107455, undefined, undefined); + if (!resolvedRequire) { + return true; + } + if (resolvedRequire.flags & 8388608) { + return false; + } + var targetDeclarationKind = resolvedRequire.flags & 16 + ? 221 + : resolvedRequire.flags & 3 + ? 219 + : 0; + if (targetDeclarationKind !== 0) { + var decl = ts.getDeclarationOfKind(resolvedRequire, targetDeclarationKind); + return ts.isInAmbientContext(decl); + } + return false; + } function checkTaggedTemplateExpression(node) { return getReturnTypeOfSignature(getResolvedSignature(node)); } @@ -29810,7 +28898,7 @@ var ts; if (type.flags & kind) { return true; } - if (type.flags & 1572864) { + if (type.flags & 196608) { var types = type.types; for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { var t = types_15[_i]; @@ -29825,7 +28913,7 @@ var ts; if (type.flags & kind) { return true; } - if (type.flags & 524288) { + if (type.flags & 65536) { var types = type.types; for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { var t = types_16[_i]; @@ -29835,7 +28923,7 @@ var ts; } return true; } - if (type.flags & 1048576) { + if (type.flags & 131072) { var types = type.types; for (var _a = 0, types_17 = types; _a < types_17.length; _a++) { var t = types_17[_a]; @@ -29847,7 +28935,7 @@ var ts; return false; } function isConstEnumObjectType(type) { - return type.flags & (2588672 | 2097152) && type.symbol && isConstEnumSymbol(type.symbol); + return getObjectFlags(type) & 16 && type.symbol && isConstEnumSymbol(type.symbol); } function isConstEnumSymbol(symbol) { return (symbol.flags & 128) !== 0; @@ -29871,7 +28959,7 @@ var ts; if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 | 340 | 512)) { error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 16384)) { error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); } return booleanType; @@ -30653,12 +29741,6 @@ var ts; } } function checkClassForDuplicateDeclarations(node) { - var Accessor; - (function (Accessor) { - Accessor[Accessor["Getter"] = 1] = "Getter"; - Accessor[Accessor["Setter"] = 2] = "Setter"; - Accessor[Accessor["Property"] = 3] = "Property"; - })(Accessor || (Accessor = {})); var instanceNames = ts.createMap(); var staticNames = ts.createMap(); for (var _i = 0, _a = node.members; _i < _a.length; _i++) { @@ -31239,7 +30321,7 @@ var ts; if (isTypeAny(promise)) { return undefined; } - if (promise.flags & 131072) { + if (getObjectFlags(promise) & 4) { if (promise.target === tryGetGlobalPromiseType() || promise.target === getGlobalPromiseLikeType()) { return promise.typeArguments[0]; @@ -31276,7 +30358,7 @@ var ts; function checkAwaitedType(type, location, message) { return checkAwaitedTypeWorker(type); function checkAwaitedTypeWorker(type) { - if (type.flags & 524288) { + if (type.flags & 65536) { var types = []; for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var constituentType = _a[_i]; @@ -31541,30 +30623,44 @@ var ts; } function checkUnusedLocalsAndParameters(node) { if (node.parent.kind !== 223 && noUnusedIdentifiers && !ts.isInAmbientContext(node)) { - var _loop_1 = function (key) { + var _loop_2 = function (key) { var local = node.locals[key]; if (!local.isReferenced) { - if (local.valueDeclaration && local.valueDeclaration.kind === 143) { - var parameter = local.valueDeclaration; + if (local.valueDeclaration && ts.getRootDeclaration(local.valueDeclaration).kind === 143) { + var parameter = ts.getRootDeclaration(local.valueDeclaration); if (compilerOptions.noUnusedParameters && !ts.isParameterPropertyDeclaration(parameter) && !ts.parameterIsThisKeyword(parameter) && - !parameterNameStartsWithUnderscore(parameter)) { + !parameterNameStartsWithUnderscore(local.valueDeclaration.name)) { error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); } } else if (compilerOptions.noUnusedLocals) { - ts.forEach(local.declarations, function (d) { return error(d.name || d, ts.Diagnostics._0_is_declared_but_never_used, local.name); }); + ts.forEach(local.declarations, function (d) { return errorUnusedLocal(d.name || d, local.name); }); } } }; for (var key in node.locals) { - _loop_1(key); + _loop_2(key); + } + } + } + function errorUnusedLocal(node, name) { + if (isIdentifierThatStartsWithUnderScore(node)) { + var declaration = ts.getRootDeclaration(node.parent); + if (declaration.kind === 219 && + (declaration.parent.parent.kind === 208 || + declaration.parent.parent.kind === 209)) { + return; } } + error(node, ts.Diagnostics._0_is_declared_but_never_used, name); } - function parameterNameStartsWithUnderscore(parameter) { - return parameter.name && parameter.name.kind === 70 && parameter.name.text.charCodeAt(0) === 95; + function parameterNameStartsWithUnderscore(parameterName) { + return parameterName && isIdentifierThatStartsWithUnderScore(parameterName); + } + function isIdentifierThatStartsWithUnderScore(node) { + return node.kind === 70 && node.text.charCodeAt(0) === 95; } function checkUnusedClassMembers(node) { if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { @@ -32009,7 +31105,7 @@ var ts; } } var rightType = checkNonNullExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 16384)) { error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); } checkSourceElement(node.statement); @@ -32062,7 +31158,7 @@ var ts; } var typeAsIterable = type; if (!typeAsIterable.iterableElementType) { - if ((type.flags & 131072) && type.target === getGlobalIterableType()) { + if ((getObjectFlags(type) & 4) && type.target === getGlobalIterableType()) { typeAsIterable.iterableElementType = type.typeArguments[0]; } else { @@ -32088,7 +31184,7 @@ var ts; } var typeAsIterator = type; if (!typeAsIterator.iteratorElementType) { - if ((type.flags & 131072) && type.target === getGlobalIteratorType()) { + if ((getObjectFlags(type) & 4) && type.target === getGlobalIteratorType()) { typeAsIterator.iteratorElementType = type.typeArguments[0]; } else { @@ -32123,7 +31219,7 @@ var ts; if (isTypeAny(type)) { return undefined; } - if ((type.flags & 131072) && type.target === getGlobalIterableIteratorType()) { + if ((getObjectFlags(type) & 4) && type.target === getGlobalIterableIteratorType()) { return type.typeArguments[0]; } return getElementTypeOfIterable(type, undefined) || @@ -32132,7 +31228,7 @@ var ts; function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { ts.Debug.assert(languageVersion < 2); var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 524288) { + if (arrayOrStringType.flags & 65536) { arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34); }), true); } else if (arrayOrStringType.flags & 34) { @@ -32299,22 +31395,20 @@ var ts; var catchClause = node.catchClause; if (catchClause) { if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 70) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { + if (catchClause.variableDeclaration.type) { grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); } else if (catchClause.variableDeclaration.initializer) { grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); } else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); + var blockLocals = catchClause.block.locals; + if (blockLocals) { + for (var caughtName in catchClause.locals) { + var blockLocal = blockLocals[caughtName]; + if (blockLocal && (blockLocal.flags & 2) !== 0) { + grammarErrorOnNode(blockLocal.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, caughtName); + } } } } @@ -32336,7 +31430,7 @@ var ts; checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); }); - if (type.flags & 32768 && ts.isClassLike(type.symbol.valueDeclaration)) { + if (getObjectFlags(type) & 1 && ts.isClassLike(type.symbol.valueDeclaration)) { var classDeclaration = type.symbol.valueDeclaration; for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { var member = _a[_i]; @@ -32351,7 +31445,7 @@ var ts; var errorNode; if (stringIndexType && numberIndexType) { errorNode = declaredNumberIndexer || declaredStringIndexer; - if (!errorNode && (type.flags & 65536)) { + if (!errorNode && (getObjectFlags(type) & 2)) { var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; } @@ -32373,7 +31467,7 @@ var ts; else if (indexDeclaration) { errorNode = indexDeclaration; } - else if (containingType.flags & 65536) { + else if (getObjectFlags(containingType) & 2) { var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; } @@ -32481,7 +31575,9 @@ var ts; } checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (baseType_1.symbol.valueDeclaration && !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration)) { + if (baseType_1.symbol.valueDeclaration && + !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration) && + baseType_1.symbol.valueDeclaration.kind === 222) { if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) { error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class); } @@ -32506,8 +31602,8 @@ var ts; if (produceDiagnostics) { var t = getTypeFromTypeNode(typeRefNode); if (t !== unknownType) { - var declaredType = (t.flags & 131072) ? t.target : t; - if (declaredType.flags & (32768 | 65536)) { + var declaredType = getObjectFlags(t) & 4 ? t.target : t; + if (getObjectFlags(declaredType) & 3) { checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); } else { @@ -32529,7 +31625,7 @@ var ts; if (declaration && ts.getModifierFlags(declaration) & 8) { var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol); if (!isNodeWithinClass(node, typeClassDeclaration)) { - error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, node.expression.text); + error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol)); } } } @@ -32695,6 +31791,7 @@ var ts; function checkTypeAliasDeclaration(node) { checkGrammarDecorators(node) || checkGrammarModifiers(node); checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkTypeParameters(node.typeParameters); checkSourceElement(node.type); } function computeEnumMemberValues(node) { @@ -34116,7 +33213,7 @@ var ts; return undefined; } function isFunctionType(type) { - return type.flags & 2588672 && getSignaturesOfType(type, 0).length > 0; + return type.flags & 32768 && getSignaturesOfType(type, 0).length > 0; } function getTypeReferenceSerializationKind(typeName, location) { var valueSymbol = resolveEntityName(typeName, 107455, true, false, location); @@ -34220,7 +33317,7 @@ var ts; function isLiteralConstDeclaration(node) { if (ts.isConst(node)) { var type = getTypeOfSymbol(getSymbolOfNode(node)); - return !!(type.flags & 96 && type.flags & 16777216); + return !!(type.flags & 96 && type.flags & 262144); } return false; } @@ -34472,7 +33569,7 @@ var ts; function createThenableType() { var thenPropertySymbol = createSymbol(67108864 | 4, "then"); getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(2097152); + var thenableType = createObjectType(16); thenableType.properties = [thenPropertySymbol]; thenableType.members = createSymbolTable(thenableType.properties); thenableType.callSignatures = []; @@ -36229,13 +35326,13 @@ var ts; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1) ? function (message) { return Debug.assert(false, message || "Node not optional."); } - : function () { }; + : ts.noop; Debug.failBadSyntaxKind = Debug.shouldAssert(1) ? function (node, message) { return Debug.assert(false, message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " was unexpected."; }); } - : function () { }; + : ts.noop; Debug.assertNode = Debug.shouldAssert(1) ? function (node, test, message) { return Debug.assert(test === undefined || test(node), message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }); } - : function () { }; + : ts.noop; function getFunctionName(func) { if (typeof func !== "function") { return ""; @@ -36523,12 +35620,6 @@ var ts; var ts; (function (ts) { var USE_NEW_TYPE_METADATA_FORMAT = false; - var TypeScriptSubstitutionFlags; - (function (TypeScriptSubstitutionFlags) { - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["ClassAliases"] = 1] = "ClassAliases"; - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NamespaceExports"] = 2] = "NamespaceExports"; - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NonQualifiedEnumMembers"] = 8] = "NonQualifiedEnumMembers"; - })(TypeScriptSubstitutionFlags || (TypeScriptSubstitutionFlags = {})); function transformTypeScript(context) { var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; var resolver = context.getEmitResolver(); @@ -38132,700 +37223,527 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - var entities = createEntitiesMap(); - function transformJsx(context) { + function transformES2015Module(context) { var compilerOptions = context.getCompilerOptions(); - var currentSourceFile; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - return node; - } - function visitor(node) { - if (node.transformFlags & 4) { - return visitorWorker(node); - } - else if (node.transformFlags & 8) { + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { return ts.visitEachChild(node, visitor, context); } - else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 242: - return visitJsxElement(node, false); - case 243: - return visitJsxSelfClosingElement(node, false); - case 248: - return visitJsxExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; - } + return node; } - function transformJsxChildToExpression(node) { + function visitor(node) { switch (node.kind) { - case 10: - return visitJsxText(node); - case 248: - return visitJsxExpression(node); - case 242: - return visitJsxElement(node, true); - case 243: - return visitJsxSelfClosingElement(node, true); - default: - ts.Debug.failBadSyntaxKind(node); + case 230: return undefined; + case 236: + return visitExportAssignment(node); } + return node; } - function visitJsxElement(node, isChild) { - return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, node); - } - function visitJsxSelfClosingElement(node, isChild) { - return visitJsxOpeningLikeElement(node, undefined, isChild, node); + function visitExportAssignment(node) { + return node.isExportEquals ? undefined : node; } - function visitJsxOpeningLikeElement(node, children, isChild, location) { - var tagName = getTagName(node); - var objectProperties; - var attrs = node.attributes; - if (attrs.length === 0) { - objectProperties = ts.createNull(); - } - else { - var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread - ? ts.map(attrs, transformJsxSpreadAttributeToExpression) - : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); - if (ts.isJsxSpreadAttribute(attrs[0])) { - segments.unshift(ts.createObjectLiteral()); - } - objectProperties = ts.singleOrUndefined(segments) - || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); + } + ts.transformES2015Module = transformES2015Module; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformSystemModule(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70); + context.enableSubstitution(188); + context.enableSubstitution(186); + context.enableSubstitution(187); + context.enableEmitNotification(256); + var exportFunctionForFileMap = []; + var currentSourceFile; + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var exportFunctionForFile; + var contextObjectForFile; + var exportedLocalNames; + var exportedFunctionDeclarations; + var enclosingBlockScopedContainer; + var currentParent; + var currentNode; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); - if (isChild) { - ts.startOnNewLine(element); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + currentNode = node; + var updated = transformSystemModuleWorker(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + exportedLocalNames = undefined; + exportedFunctionDeclarations = undefined; + return updated; } - return element; + return node; } - function transformJsxSpreadAttributeToExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function transformSystemModuleWorker(node) { + ts.Debug.assert(!exportFunctionForFile); + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + exportFunctionForFile = ts.createUniqueName("exports"); + contextObjectForFile = ts.createUniqueName("context"); + exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; + var dependencyGroups = collectDependencyGroups(externalImports); + var statements = []; + addSystemModuleBody(statements, node, dependencyGroups); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); + var body = ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ + ts.createParameter(exportFunctionForFile), + ts.createParameter(contextObjectForFile) + ], undefined, ts.setEmitFlags(ts.createBlock(statements, undefined, true), 1)); + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), undefined, moduleName + ? [moduleName, dependencies, body] + : [dependencies, body])) + ], ~1 & ts.getEmitFlags(node)); + var _a; } - function transformJsxAttributeToObjectLiteralElement(node) { - var name = getAttributeName(node); - var expression = transformJsxAttributeInitializer(node.initializer); - return ts.createPropertyAssignment(name, expression); + function addSystemModuleBody(statements, node, dependencyGroups) { + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitSourceElement); + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("__moduleName", undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) + ]))); + var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); + ts.addRange(statements, endLexicalEnvironment()); + ts.addRange(statements, exportedFunctionDeclarations); + var exportStarFunction = addExportStarIfNeeded(statements); + statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ + ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), + ts.createPropertyAssignment("execute", ts.createFunctionExpression(undefined, undefined, undefined, undefined, [], undefined, ts.createBlock(executeStatements, undefined, true))) + ]), true))); } - function transformJsxAttributeInitializer(node) { - if (node === undefined) { - return ts.createLiteral(true); - } - else if (node.kind === 9) { - var decoded = tryDecodeEntities(node.text); - return decoded ? ts.createLiteral(decoded, node) : node; - } - else if (node.kind === 248) { - return visitJsxExpression(node); - } - else { - ts.Debug.failBadSyntaxKind(node); + function addExportStarIfNeeded(statements) { + if (!hasExportStarsToExportValues) { + return; } - } - function visitJsxText(node) { - var text = ts.getTextOfNode(node, true); - var parts; - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - if (!parts) { - parts = []; - } - parts.push(ts.createLiteral(decodeEntities(part))); + if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { + var hasExportDeclarationWithExportClause = false; + for (var _i = 0, externalImports_1 = externalImports; _i < externalImports_1.length; _i++) { + var externalImport = externalImports_1[_i]; + if (externalImport.kind === 237 && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; } - firstNonWhitespace = -1; } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } + if (!hasExportDeclarationWithExportClause) { + return addExportStarFunction(statements, undefined); } } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - if (!parts) { - parts = []; + var exportedNames = []; + if (exportedLocalNames) { + for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { + var exportedLocalName = exportedLocalNames_1[_a]; + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); } - parts.push(ts.createLiteral(decodeEntities(part))); } - if (parts) { - return ts.reduceLeft(parts, aggregateJsxTextParts); - } - return undefined; - } - function aggregateJsxTextParts(left, right) { - return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); - } - function decodeEntities(text) { - return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { - if (decimal) { - return String.fromCharCode(parseInt(decimal, 10)); + for (var _b = 0, externalImports_2 = externalImports; _b < externalImports_2.length; _b++) { + var externalImport = externalImports_2[_b]; + if (externalImport.kind !== 237) { + continue; } - else if (hex) { - return String.fromCharCode(parseInt(hex, 16)); + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + continue; } - else { - var ch = entities[word]; - return ch ? String.fromCharCode(ch) : match; + for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { + var element = _d[_c]; + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); } - }); + } + var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exportedNamesStorageRef, undefined, ts.createObjectLiteral(exportedNames, undefined, true)) + ]))); + return addExportStarFunction(statements, exportedNamesStorageRef); } - function tryDecodeEntities(text) { - var decoded = decodeEntities(text); - return decoded === text ? undefined : decoded; + function generateSetters(exportStarFunction, dependencyGroups) { + var setters = []; + for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { + var group = dependencyGroups_1[_i]; + var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); + var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); + var statements = []; + for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { + var entry = _b[_a]; + var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); + switch (entry.kind) { + case 231: + if (!entry.importClause) { + break; + } + case 230: + ts.Debug.assert(importVariableName !== undefined); + statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); + break; + case 237: + ts.Debug.assert(importVariableName !== undefined); + if (entry.exportClause) { + var properties = []; + for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { + var e = _d[_c]; + properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); + } + statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [ts.createObjectLiteral(properties, undefined, true)]))); + } + else { + statements.push(ts.createStatement(ts.createCall(exportStarFunction, undefined, [parameterName]))); + } + break; + } + } + setters.push(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, ts.createBlock(statements, undefined, true))); + } + return ts.createArrayLiteral(setters, undefined, true); } - function getTagName(node) { - if (node.kind === 242) { - return getTagName(node.openingElement); + function visitSourceElement(node) { + switch (node.kind) { + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 237: + return visitExportDeclaration(node); + case 236: + return visitExportAssignment(node); + default: + return visitNestedNode(node); } - else { - var name_31 = node.tagName; - if (ts.isIdentifier(name_31) && ts.isIntrinsicJsxName(name_31.text)) { - return ts.createLiteral(name_31.text); - } - else { - return ts.createExpressionFromEntityName(name_31); - } + } + function visitNestedNode(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var currentGrandparent = currentParent; + currentParent = currentNode; + currentNode = node; + if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { + enclosingBlockScopedContainer = currentParent; } + var result = visitNestedNodeWorker(node); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return result; } - function getAttributeName(node) { - var name = node.name; - if (/^[A-Za-z_]\w*$/.test(name.text)) { - return name; + function visitNestedNodeWorker(node) { + switch (node.kind) { + case 201: + return visitVariableStatement(node); + case 221: + return visitFunctionDeclaration(node); + case 222: + return visitClassDeclaration(node); + case 207: + return visitForStatement(node); + case 208: + return visitForInStatement(node); + case 209: + return visitForOfStatement(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 215: + return visitLabeledStatement(node); + case 213: + return visitWithStatement(node); + case 214: + return visitSwitchStatement(node); + case 228: + return visitCaseBlock(node); + case 249: + return visitCaseClause(node); + case 250: + return visitDefaultClause(node); + case 217: + return visitTryStatement(node); + case 252: + return visitCatchClause(node); + case 200: + return visitBlock(node); + case 203: + return visitExpressionStatement(node); + default: + return node; } - else { - return ts.createLiteral(name.text); + } + function visitImportDeclaration(node) { + if (node.importClause && ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } + return undefined; } - function visitJsxExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function visitImportEqualsDeclaration(node) { + if (ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + } + return undefined; } - } - ts.transformJsx = transformJsx; - function createEntitiesMap() { - return ts.createMap({ - "quot": 0x0022, - "amp": 0x0026, - "apos": 0x0027, - "lt": 0x003C, - "gt": 0x003E, - "nbsp": 0x00A0, - "iexcl": 0x00A1, - "cent": 0x00A2, - "pound": 0x00A3, - "curren": 0x00A4, - "yen": 0x00A5, - "brvbar": 0x00A6, - "sect": 0x00A7, - "uml": 0x00A8, - "copy": 0x00A9, - "ordf": 0x00AA, - "laquo": 0x00AB, - "not": 0x00AC, - "shy": 0x00AD, - "reg": 0x00AE, - "macr": 0x00AF, - "deg": 0x00B0, - "plusmn": 0x00B1, - "sup2": 0x00B2, - "sup3": 0x00B3, - "acute": 0x00B4, - "micro": 0x00B5, - "para": 0x00B6, - "middot": 0x00B7, - "cedil": 0x00B8, - "sup1": 0x00B9, - "ordm": 0x00BA, - "raquo": 0x00BB, - "frac14": 0x00BC, - "frac12": 0x00BD, - "frac34": 0x00BE, - "iquest": 0x00BF, - "Agrave": 0x00C0, - "Aacute": 0x00C1, - "Acirc": 0x00C2, - "Atilde": 0x00C3, - "Auml": 0x00C4, - "Aring": 0x00C5, - "AElig": 0x00C6, - "Ccedil": 0x00C7, - "Egrave": 0x00C8, - "Eacute": 0x00C9, - "Ecirc": 0x00CA, - "Euml": 0x00CB, - "Igrave": 0x00CC, - "Iacute": 0x00CD, - "Icirc": 0x00CE, - "Iuml": 0x00CF, - "ETH": 0x00D0, - "Ntilde": 0x00D1, - "Ograve": 0x00D2, - "Oacute": 0x00D3, - "Ocirc": 0x00D4, - "Otilde": 0x00D5, - "Ouml": 0x00D6, - "times": 0x00D7, - "Oslash": 0x00D8, - "Ugrave": 0x00D9, - "Uacute": 0x00DA, - "Ucirc": 0x00DB, - "Uuml": 0x00DC, - "Yacute": 0x00DD, - "THORN": 0x00DE, - "szlig": 0x00DF, - "agrave": 0x00E0, - "aacute": 0x00E1, - "acirc": 0x00E2, - "atilde": 0x00E3, - "auml": 0x00E4, - "aring": 0x00E5, - "aelig": 0x00E6, - "ccedil": 0x00E7, - "egrave": 0x00E8, - "eacute": 0x00E9, - "ecirc": 0x00EA, - "euml": 0x00EB, - "igrave": 0x00EC, - "iacute": 0x00ED, - "icirc": 0x00EE, - "iuml": 0x00EF, - "eth": 0x00F0, - "ntilde": 0x00F1, - "ograve": 0x00F2, - "oacute": 0x00F3, - "ocirc": 0x00F4, - "otilde": 0x00F5, - "ouml": 0x00F6, - "divide": 0x00F7, - "oslash": 0x00F8, - "ugrave": 0x00F9, - "uacute": 0x00FA, - "ucirc": 0x00FB, - "uuml": 0x00FC, - "yacute": 0x00FD, - "thorn": 0x00FE, - "yuml": 0x00FF, - "OElig": 0x0152, - "oelig": 0x0153, - "Scaron": 0x0160, - "scaron": 0x0161, - "Yuml": 0x0178, - "fnof": 0x0192, - "circ": 0x02C6, - "tilde": 0x02DC, - "Alpha": 0x0391, - "Beta": 0x0392, - "Gamma": 0x0393, - "Delta": 0x0394, - "Epsilon": 0x0395, - "Zeta": 0x0396, - "Eta": 0x0397, - "Theta": 0x0398, - "Iota": 0x0399, - "Kappa": 0x039A, - "Lambda": 0x039B, - "Mu": 0x039C, - "Nu": 0x039D, - "Xi": 0x039E, - "Omicron": 0x039F, - "Pi": 0x03A0, - "Rho": 0x03A1, - "Sigma": 0x03A3, - "Tau": 0x03A4, - "Upsilon": 0x03A5, - "Phi": 0x03A6, - "Chi": 0x03A7, - "Psi": 0x03A8, - "Omega": 0x03A9, - "alpha": 0x03B1, - "beta": 0x03B2, - "gamma": 0x03B3, - "delta": 0x03B4, - "epsilon": 0x03B5, - "zeta": 0x03B6, - "eta": 0x03B7, - "theta": 0x03B8, - "iota": 0x03B9, - "kappa": 0x03BA, - "lambda": 0x03BB, - "mu": 0x03BC, - "nu": 0x03BD, - "xi": 0x03BE, - "omicron": 0x03BF, - "pi": 0x03C0, - "rho": 0x03C1, - "sigmaf": 0x03C2, - "sigma": 0x03C3, - "tau": 0x03C4, - "upsilon": 0x03C5, - "phi": 0x03C6, - "chi": 0x03C7, - "psi": 0x03C8, - "omega": 0x03C9, - "thetasym": 0x03D1, - "upsih": 0x03D2, - "piv": 0x03D6, - "ensp": 0x2002, - "emsp": 0x2003, - "thinsp": 0x2009, - "zwnj": 0x200C, - "zwj": 0x200D, - "lrm": 0x200E, - "rlm": 0x200F, - "ndash": 0x2013, - "mdash": 0x2014, - "lsquo": 0x2018, - "rsquo": 0x2019, - "sbquo": 0x201A, - "ldquo": 0x201C, - "rdquo": 0x201D, - "bdquo": 0x201E, - "dagger": 0x2020, - "Dagger": 0x2021, - "bull": 0x2022, - "hellip": 0x2026, - "permil": 0x2030, - "prime": 0x2032, - "Prime": 0x2033, - "lsaquo": 0x2039, - "rsaquo": 0x203A, - "oline": 0x203E, - "frasl": 0x2044, - "euro": 0x20AC, - "image": 0x2111, - "weierp": 0x2118, - "real": 0x211C, - "trade": 0x2122, - "alefsym": 0x2135, - "larr": 0x2190, - "uarr": 0x2191, - "rarr": 0x2192, - "darr": 0x2193, - "harr": 0x2194, - "crarr": 0x21B5, - "lArr": 0x21D0, - "uArr": 0x21D1, - "rArr": 0x21D2, - "dArr": 0x21D3, - "hArr": 0x21D4, - "forall": 0x2200, - "part": 0x2202, - "exist": 0x2203, - "empty": 0x2205, - "nabla": 0x2207, - "isin": 0x2208, - "notin": 0x2209, - "ni": 0x220B, - "prod": 0x220F, - "sum": 0x2211, - "minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }); - } -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2017(context) { - var ES2017SubstitutionFlags; - (function (ES2017SubstitutionFlags) { - ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; - })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; - var resolver = context.getEmitResolver(); - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var currentSourceFileExternalHelpersModuleName; - var enabledSubstitutions; - var applicableSubstitutions; - var currentSuperContainer; - var previousOnEmitNode = context.onEmitNode; - var previousOnSubstituteNode = context.onSubstituteNode; - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - var currentScope; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function visitExportDeclaration(node) { + if (!node.moduleSpecifier) { + var statements = []; + ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); + return statements; } - currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; - return ts.visitEachChild(node, visitor, context); + return undefined; } - function visitor(node) { - if (node.transformFlags & 16) { - return visitorWorker(node); - } - else if (node.transformFlags & 32) { - return ts.visitEachChild(node, visitor, context); - } - return node; + function visitExportSpecifier(specifier) { + recordExportName(specifier.name); + return createExportStatement(specifier.name, specifier.propertyName || specifier.name); } - function visitorWorker(node) { - switch (node.kind) { - case 119: - return undefined; - case 185: - return visitAwaitExpression(node); - case 148: - return visitMethodDeclaration(node); - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); - case 181: - return visitArrowFunction(node); - default: - ts.Debug.failBadSyntaxKind(node); - return node; + function visitExportAssignment(node) { + if (node.isExportEquals) { + return undefined; } + return createExportStatement(ts.createLiteral("default"), node.expression); } - function visitAwaitExpression(node) { - return ts.setOriginalNode(ts.createYield(undefined, ts.visitNode(node.expression, visitor, ts.isExpression), node), node); - } - function visitMethodDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { + function visitVariableStatement(node) { + var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3) == 0) || + enclosingBlockScopedContainer.kind === 256; + if (!shouldHoist) { return node; } - var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setCommentRange(method, node); - ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(method, node); - return method; - } - function visitFunctionDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; + var isExported = ts.hasModifier(node, 1); + var expressions = []; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, isExported); + if (visited) { + expressions.push(visited); + } } - var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; + if (expressions.length) { + return ts.createStatement(ts.inlineExpressions(expressions), node); + } + return undefined; } - function visitFunctionExpression(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; + function transformVariable(node, isExported) { + hoistBindingElement(node, isExported); + if (!node.initializer) { + return; } - if (ts.nodeIsMissing(node.body)) { - return ts.createOmittedExpression(); + var name = node.name; + if (ts.isIdentifier(name)) { + return ts.createAssignment(name, node.initializer); + } + else { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); } - var func = ts.createFunctionExpression(undefined, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; } - function visitArrowFunction(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; + function visitFunctionDeclaration(node) { + if (ts.hasModifier(node, 1)) { + var name_31 = node.name || ts.getGeneratedNameForNode(node); + var isAsync = ts.hasModifier(node, 256); + var newNode = ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name_31, undefined, node.parameters, undefined, node.body, node); + recordExportedFunctionDeclaration(node); + if (!ts.hasModifier(node, 512)) { + recordExportName(name_31); + } + ts.setOriginalNode(newNode, node); + node = newNode; } - var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); - ts.setOriginalNode(func, node); - return func; + hoistFunctionDeclaration(node); + return undefined; } - function transformFunctionBody(node) { - return transformAsyncFunctionBody(node); + function visitExpressionStatement(node) { + var originalNode = ts.getOriginalNode(node); + if ((originalNode.kind === 226 || originalNode.kind === 225) && ts.hasModifier(originalNode, 1)) { + var name_32 = getDeclarationName(originalNode); + if (originalNode.kind === 225) { + hoistVariableDeclaration(name_32); + } + return [ + node, + createExportStatement(name_32, name_32) + ]; + } + return node; } - function transformConciseBody(node) { - return transformAsyncFunctionBody(node); + function visitClassDeclaration(node) { + var name = getDeclarationName(node); + hoistVariableDeclaration(name); + var statements = []; + statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression(undefined, node.name, undefined, node.heritageClauses, node.members, node)), node)); + if (ts.hasModifier(node, 1)) { + if (!ts.hasModifier(node, 512)) { + recordExportName(name); + } + statements.push(createDeclarationExport(node)); + } + return statements; } - function transformFunctionBodyWorker(body, start) { - if (start === void 0) { start = 0; } - var savedCurrentScope = currentScope; - currentScope = body; - startLexicalEnvironment(); - var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); - var visited = ts.updateBlock(body, statements); - var declarations = endLexicalEnvironment(); - currentScope = savedCurrentScope; - return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + function shouldHoistLoopInitializer(node) { + return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3) === 0; } - function transformAsyncFunctionBody(node) { - var nodeType = node.original ? node.original.type : node.type; - var promiseConstructor = languageVersion < 2 ? getPromiseConstructor(nodeType) : undefined; - var isArrowFunction = node.kind === 181; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; - if (!isArrowFunction) { - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, false, visitor); - statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); - var block = ts.createBlock(statements, node.body, true); - if (languageVersion >= 2) { - if (resolver.getNodeCheckFlags(node) & 4096) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 8); - } - else if (resolver.getNodeCheckFlags(node) & 2048) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 4); + function visitForStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var expressions = []; + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, false); + if (visited) { + expressions.push(visited); } } - return block; + ; + return ts.createFor(expressions.length + ? ts.inlineExpressions(expressions) + : ts.createSynthesizedNode(194), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), node); } else { - return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, true)); + return ts.visitEachChild(node, visitNestedNode, context); } } - function transformConciseBodyWorker(body, forceBlockFunctionBody) { - if (ts.isBlock(body)) { - return transformFunctionBodyWorker(body); + function transformForBinding(node) { + var firstDeclaration = ts.firstOrUndefined(node.declarations); + hoistBindingElement(firstDeclaration, false); + var name = firstDeclaration.name; + return ts.isIdentifier(name) + ? name + : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); + } + function visitForInStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + return updated; } else { - startLexicalEnvironment(); - var visited = ts.visitNode(body, visitor, ts.isConciseBody); - var declarations = endLexicalEnvironment(); - var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - if (forceBlockFunctionBody && !ts.isBlock(merged)) { - return ts.createBlock([ - ts.createReturn(merged) - ]); - } - else { - return merged; - } + return ts.visitEachChild(node, visitNestedNode, context); } } - function getPromiseConstructor(type) { - var typeName = ts.getEntityNameFromTypeNode(type); - if (typeName && ts.isEntityName(typeName)) { - var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); - if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue - || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { - return typeName; - } + function visitForOfStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + return updated; + } + else { + return ts.visitEachChild(node, visitNestedNode, context); } - return undefined; } - function enableSubstitutionForAsyncMethodsWithSuper() { - if ((enabledSubstitutions & 1) === 0) { - enabledSubstitutions |= 1; - context.enableSubstitution(175); - context.enableSubstitution(173); - context.enableSubstitution(174); - context.enableEmitNotification(222); - context.enableEmitNotification(148); - context.enableEmitNotification(150); - context.enableEmitNotification(151); - context.enableEmitNotification(149); + function visitDoStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } + return node; } - function substituteExpression(node) { - switch (node.kind) { - case 173: - return substitutePropertyAccessExpression(node); - case 174: - return substituteElementAccessExpression(node); - case 175: - if (enabledSubstitutions & 1) { - return substituteCallExpression(node); - } - break; + function visitWhileStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } return node; } - function substitutePropertyAccessExpression(node) { - if (enabledSubstitutions & 1 && node.expression.kind === 96) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); - } + function visitLabeledStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } return node; } - function substituteElementAccessExpression(node) { - if (enabledSubstitutions & 1 && node.expression.kind === 96) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); - } + function visitWithStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } return node; } - function substituteCallExpression(node) { - var expression = node.expression; - if (ts.isSuperProperty(expression)) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - var argumentExpression = ts.isPropertyAccessExpression(expression) - ? substitutePropertyAccessExpression(expression) - : substituteElementAccessExpression(expression); - return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), undefined, [ - ts.createThis() - ].concat(node.arguments)); - } + function visitSwitchStatement(node) { + var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); + if (caseBlock !== node.caseBlock) { + var updated = ts.getMutableClone(node); + updated.caseBlock = caseBlock; + return updated; } return node; } - function isSuperContainer(node) { - var kind = node.kind; - return kind === 222 - || kind === 149 - || kind === 148 - || kind === 150 - || kind === 151; + function visitCaseBlock(node) { + var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); + if (clauses !== node.clauses) { + var updated = ts.getMutableClone(node); + updated.clauses = clauses; + return updated; + } + return node; + } + function visitCaseClause(node) { + var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); + if (statements !== node.statements) { + var updated = ts.getMutableClone(node); + updated.statements = statements; + return updated; + } + return node; + } + function visitDefaultClause(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function visitTryStatement(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function visitCatchClause(node) { + var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); + if (block !== node.block) { + var updated = ts.getMutableClone(node); + updated.block = block; + return updated; + } + return node; + } + function visitBlock(node) { + return ts.visitEachChild(node, visitNestedNode, context); } function onEmitNode(emitContext, node, emitCallback) { - var savedApplicableSubstitutions = applicableSubstitutions; - var savedCurrentSuperContainer = currentSuperContainer; - if (enabledSubstitutions & 1 && isSuperContainer(node)) { - currentSuperContainer = node; + if (node.kind === 256) { + exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + exportFunctionForFile = undefined; + } + else { + previousOnEmitNode(emitContext, node, emitCallback); } - previousOnEmitNode(emitContext, node, emitCallback); - applicableSubstitutions = savedApplicableSubstitutions; - currentSuperContainer = savedCurrentSuperContainer; } function onSubstituteNode(emitContext, node) { node = previousOnSubstituteNode(emitContext, node); @@ -38834,4754 +37752,4871 @@ var ts; } return node; } - function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { - if (flags & 4096) { - return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression]), "value", location); + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 188: + return substituteBinaryExpression(node); + case 186: + case 187: + return substituteUnaryExpression(node); } - else { - return ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression], location); + return node; + } + function substituteExpressionIdentifier(node) { + var importDeclaration = resolver.getReferencedImportDeclaration(node); + if (importDeclaration) { + var importBinding = createImportBinding(importDeclaration); + if (importBinding) { + return importBinding; + } } + return node; } - function getSuperContainerAsyncMethodFlags() { - return currentSuperContainer !== undefined - && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 | 4096); + function substituteBinaryExpression(node) { + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return substituteAssignmentExpression(node); + } + return node; } - } - ts.transformES2017 = transformES2017; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2016(context) { - var hoistVariableDeclaration = context.hoistVariableDeclaration; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function substituteAssignmentExpression(node) { + ts.setEmitFlags(node, 128); + var left = node.left; + switch (left.kind) { + case 70: + var exportDeclaration = resolver.getReferencedExportContainer(left); + if (exportDeclaration) { + return createExportExpression(left, node); + } + break; + case 172: + case 171: + if (hasExportedReferenceInDestructuringPattern(left)) { + return substituteDestructuring(node); + } + break; } - return ts.visitEachChild(node, visitor, context); + return node; } - function visitor(node) { - if (node.transformFlags & 64) { - return visitorWorker(node); + function isExportedBinding(name) { + var container = resolver.getReferencedExportContainer(name); + return container && container.kind === 256; + } + function hasExportedReferenceInDestructuringPattern(node) { + switch (node.kind) { + case 70: + return isExportedBinding(node); + case 172: + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var property = _a[_i]; + if (hasExportedReferenceInObjectDestructuringElement(property)) { + return true; + } + } + break; + case 171: + for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { + var element = _c[_b]; + if (hasExportedReferenceInArrayDestructuringElement(element)) { + return true; + } + } + break; } - else if (node.transformFlags & 128) { - return ts.visitEachChild(node, visitor, context); + return false; + } + function hasExportedReferenceInObjectDestructuringElement(node) { + if (ts.isShorthandPropertyAssignment(node)) { + return isExportedBinding(node.name); + } + else if (ts.isPropertyAssignment(node)) { + return hasExportedReferenceInDestructuringElement(node.initializer); } else { - return node; + return false; } } - function visitorWorker(node) { - switch (node.kind) { - case 188: - return visitBinaryExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); + function hasExportedReferenceInArrayDestructuringElement(node) { + if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else { + return hasExportedReferenceInDestructuringElement(node); } } - function visitBinaryExpression(node) { - var left = ts.visitNode(node.left, visitor, ts.isExpression); - var right = ts.visitNode(node.right, visitor, ts.isExpression); - if (node.operatorToken.kind === 61) { - var target = void 0; - var value = void 0; - if (ts.isElementAccessExpression(left)) { - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, left.argumentExpression), left); - value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, left); + function hasExportedReferenceInDestructuringElement(node) { + if (ts.isBinaryExpression(node)) { + var left = node.left; + return node.operatorToken.kind === 57 + && isDestructuringPattern(left) + && hasExportedReferenceInDestructuringPattern(left); + } + else if (ts.isIdentifier(node)) { + return isExportedBinding(node); + } + else if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else if (isDestructuringPattern(node)) { + return hasExportedReferenceInDestructuringPattern(node); + } + else { + return false; + } + } + function isDestructuringPattern(node) { + var kind = node.kind; + return kind === 70 + || kind === 172 + || kind === 171; + } + function substituteDestructuring(node) { + return ts.flattenDestructuringAssignment(context, node, true, hoistVariableDeclaration); + } + function substituteUnaryExpression(node) { + var operand = node.operand; + var operator = node.operator; + var substitute = ts.isIdentifier(operand) && + (node.kind === 187 || + (node.kind === 186 && (operator === 42 || operator === 43))); + if (substitute) { + var exportDeclaration = resolver.getReferencedExportContainer(operand); + if (exportDeclaration) { + var expr = ts.createPrefix(node.operator, operand, node); + ts.setEmitFlags(expr, 128); + var call = createExportExpression(operand, expr); + if (node.kind === 186) { + return call; + } + else { + return operator === 42 + ? ts.createSubtract(call, ts.createLiteral(1)) + : ts.createAdd(call, ts.createLiteral(1)); + } } - else if (ts.isPropertyAccessExpression(left)) { - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), left.name, left); - value = ts.createPropertyAccess(expressionTemp, left.name, left); + } + return node; + } + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function addExportStarFunction(statements, localNames) { + var exportStarFunction = ts.createUniqueName("exportStar"); + var m = ts.createIdentifier("m"); + var n = ts.createIdentifier("n"); + var exports = ts.createIdentifier("exports"); + var condition = ts.createStrictInequality(n, ts.createLiteral("default")); + if (localNames) { + condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + } + statements.push(ts.createFunctionDeclaration(undefined, undefined, undefined, exportStarFunction, undefined, [ts.createParameter(m)], undefined, ts.createBlock([ + ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exports, undefined, ts.createObjectLiteral([])) + ])), + ts.createForIn(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(n, undefined) + ]), m, ts.createBlock([ + ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32) + ])), + ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [exports])) + ], undefined, true))); + return exportStarFunction; + } + function createExportExpression(name, value) { + var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; + return ts.createCall(exportFunctionForFile, undefined, [exportName, value]); + } + function createExportStatement(name, value) { + return ts.createStatement(createExportExpression(name, value)); + } + function createDeclarationExport(node) { + var declarationName = getDeclarationName(node); + var exportName = ts.hasModifier(node, 512) ? ts.createLiteral("default") : declarationName; + return createExportStatement(exportName, declarationName); + } + function createImportBinding(importDeclaration) { + var importAlias; + var name; + if (ts.isImportClause(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); + name = ts.createIdentifier("default"); + } + else if (ts.isImportSpecifier(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); + name = importDeclaration.propertyName || importDeclaration.name; + } + else { + return undefined; + } + return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); + } + function collectDependencyGroups(externalImports) { + var groupIndices = ts.createMap(); + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var externalImport = externalImports[i]; + var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); + var text = externalModuleName.text; + if (ts.hasProperty(groupIndices, text)) { + var groupIndex = groupIndices[text]; + dependencyGroups[groupIndex].externalImports.push(externalImport); + continue; } else { - target = left; - value = left; + groupIndices[text] = dependencyGroups.length; + dependencyGroups.push({ + name: externalModuleName, + externalImports: [externalImport] + }); } - return ts.createAssignment(target, ts.createMathPow(value, right, node), node); } - else if (node.operatorToken.kind === 39) { - return ts.createMathPow(left, right, node); + return dependencyGroups; + } + function getNameOfDependencyGroup(dependencyGroup) { + return dependencyGroup.name; + } + function recordExportName(name) { + if (!exportedLocalNames) { + exportedLocalNames = []; } - else { - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); + exportedLocalNames.push(name); + } + function recordExportedFunctionDeclaration(node) { + if (!exportedFunctionDeclarations) { + exportedFunctionDeclarations = []; + } + exportedFunctionDeclarations.push(createDeclarationExport(node)); + } + function hoistBindingElement(node, isExported) { + if (ts.isOmittedExpression(node)) { + return; + } + var name = node.name; + if (ts.isIdentifier(name)) { + hoistVariableDeclaration(ts.getSynthesizedClone(name)); + if (isExported) { + recordExportName(name); + } } + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); + } + } + function hoistExportedBindingElement(node) { + hoistBindingElement(node, true); + } + function hoistNonExportedBindingElement(node) { + hoistBindingElement(node, false); + } + function updateSourceFile(node, statements, nodeEmitFlags) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + ts.setEmitFlags(updated, nodeEmitFlags); + return updated; } } - ts.transformES2016 = transformES2016; + ts.transformSystemModule = transformSystemModule; })(ts || (ts = {})); var ts; (function (ts) { - var ES2015SubstitutionFlags; - (function (ES2015SubstitutionFlags) { - ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; - ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; - })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); - var CopyDirection; - (function (CopyDirection) { - CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; - CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; - })(CopyDirection || (CopyDirection = {})); - var Jump; - (function (Jump) { - Jump[Jump["Break"] = 2] = "Break"; - Jump[Jump["Continue"] = 4] = "Continue"; - Jump[Jump["Return"] = 8] = "Return"; - })(Jump || (Jump = {})); - var SuperCaptureResult; - (function (SuperCaptureResult) { - SuperCaptureResult[SuperCaptureResult["NoReplacement"] = 0] = "NoReplacement"; - SuperCaptureResult[SuperCaptureResult["ReplaceSuperCapture"] = 1] = "ReplaceSuperCapture"; - SuperCaptureResult[SuperCaptureResult["ReplaceWithReturn"] = 2] = "ReplaceWithReturn"; - })(SuperCaptureResult || (SuperCaptureResult = {})); - function transformES2015(context) { + function transformModule(context) { + var transformModuleDelegates = ts.createMap((_a = {}, + _a[ts.ModuleKind.None] = transformCommonJSModule, + _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, + _a[ts.ModuleKind.AMD] = transformAMDModule, + _a[ts.ModuleKind.UMD] = transformUMDModule, + _a)); var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); var previousOnSubstituteNode = context.onSubstituteNode; var previousOnEmitNode = context.onEmitNode; - context.onEmitNode = onEmitNode; context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70); + context.enableSubstitution(188); + context.enableSubstitution(186); + context.enableSubstitution(187); + context.enableSubstitution(254); + context.enableEmitNotification(256); var currentSourceFile; - var currentText; - var currentParent; - var currentNode; - var enclosingVariableStatement; - var enclosingBlockScopeContainer; - var enclosingBlockScopeContainerParent; - var enclosingFunction; - var enclosingNonArrowFunction; - var enclosingNonAsyncFunctionBody; - var convertedLoopState; - var enabledSubstitutions; + var externalImports; + var exportSpecifiers; + var exportEquals; + var bindingNameExportSpecifiersMap; + var bindingNameExportSpecifiersForFileMap = ts.createMap(); + var hasExportStarsToExportValues; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - currentSourceFile = node; - currentText = node.text; - return ts.visitNode(node, visitor, ts.isSourceFile); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; + var updated = transformModule_1(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + return updated; + } + return node; + var _a; } - function visitor(node) { - return saveStateAndInvoke(node, dispatcher); + function transformCommonJSModule(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, false); + var updated = updateSourceFile(node, statements); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(updated, 2 | ts.getEmitFlags(node)); + } + return updated; } - function dispatcher(node) { - return convertedLoopState - ? visitorForConvertedLoopWorker(node) - : visitorWorker(node); + function transformAMDModule(node) { + var define = ts.createIdentifier("define"); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + return transformAsynchronousModule(node, define, moduleName, true); } - function saveStateAndInvoke(node, f) { - var savedEnclosingFunction = enclosingFunction; - var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; - var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; - var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; - var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; - var savedEnclosingVariableStatement = enclosingVariableStatement; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var savedConvertedLoopState = convertedLoopState; - if (ts.nodeStartsNewLexicalEnvironment(node)) { - convertedLoopState = undefined; - } - onBeforeVisitNode(node); - var visited = f(node); - convertedLoopState = savedConvertedLoopState; - enclosingFunction = savedEnclosingFunction; - enclosingNonArrowFunction = savedEnclosingNonArrowFunction; - enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; - enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; - enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; - enclosingVariableStatement = savedEnclosingVariableStatement; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; - return visited; + function transformUMDModule(node) { + var define = ts.createIdentifier("define"); + ts.setEmitFlags(define, 16); + return transformAsynchronousModule(node, define, undefined, false); } - function shouldCheckNode(node) { - return (node.transformFlags & 256) !== 0 || - node.kind === 215 || - (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); + function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { + var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(define, undefined, (moduleName ? [moduleName] : []).concat([ + ts.createArrayLiteral([ + ts.createLiteral("require"), + ts.createLiteral("exports") + ].concat(aliasedModuleNames, unaliasedModuleNames)), + ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ + ts.createParameter("require"), + ts.createParameter("exports") + ].concat(importAliasNames), undefined, transformAsynchronousModuleBody(node)) + ]))) + ]); } - function visitorWorker(node) { - if (shouldCheckNode(node)) { - return visitJavaScript(node); - } - else if (node.transformFlags & 512) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; + function transformAsynchronousModuleBody(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, true); + var body = ts.createBlock(statements, undefined, true); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(body, 2); } + return body; } - function visitorForConvertedLoopWorker(node) { - var result; - if (shouldCheckNode(node)) { - result = visitJavaScript(node); - } - else { - result = visitNodesInConvertedLoop(node); + function addExportEqualsIfNeeded(statements, emitAsReturn) { + if (exportEquals) { + if (emitAsReturn) { + var statement = ts.createReturn(exportEquals.expression, exportEquals); + ts.setEmitFlags(statement, 12288 | 49152); + statements.push(statement); + } + else { + var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), exportEquals); + ts.setEmitFlags(statement, 49152); + statements.push(statement); + } } - return result; } - function visitNodesInConvertedLoop(node) { + function visitor(node) { switch (node.kind) { - case 212: - return visitReturnStatement(node); + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 237: + return visitExportDeclaration(node); + case 236: + return visitExportAssignment(node); case 201: return visitVariableStatement(node); - case 214: - return visitSwitchStatement(node); - case 211: - case 210: - return visitBreakOrContinueStatement(node); - case 98: - return visitThisKeyword(node); - case 70: - return visitIdentifier(node); - default: - return ts.visitEachChild(node, visitor, context); - } - } - function visitJavaScript(node) { - switch (node.kind) { - case 83: - return node; - case 222: - return visitClassDeclaration(node); - case 193: - return visitClassExpression(node); - case 143: - return visitParameter(node); case 221: return visitFunctionDeclaration(node); - case 181: - return visitArrowFunction(node); - case 180: - return visitFunctionExpression(node); - case 219: - return visitVariableDeclaration(node); - case 70: - return visitIdentifier(node); - case 220: - return visitVariableDeclarationList(node); - case 215: - return visitLabeledStatement(node); - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 207: - return visitForStatement(node); - case 208: - return visitForInStatement(node); - case 209: - return visitForOfStatement(node); + case 222: + return visitClassDeclaration(node); case 203: return visitExpressionStatement(node); - case 172: - return visitObjectLiteralExpression(node); - case 254: - return visitShorthandPropertyAssignment(node); - case 171: - return visitArrayLiteralExpression(node); - case 175: - return visitCallExpression(node); - case 176: - return visitNewExpression(node); - case 179: - return visitParenthesizedExpression(node, true); - case 188: - return visitBinaryExpression(node, true); - case 12: - case 13: - case 14: - case 15: - return visitTemplateLiteral(node); - case 177: - return visitTaggedTemplateExpression(node); - case 190: - return visitTemplateExpression(node); - case 191: - return visitYieldExpression(node); - case 96: - return visitSuperKeyword(); - case 191: - return ts.visitEachChild(node, visitor, context); - case 148: - return visitMethodDeclaration(node); - case 256: - return visitSourceFileNode(node); - case 201: - return visitVariableStatement(node); default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); + return node; } } - function onBeforeVisitNode(node) { - if (currentNode) { - if (ts.isBlockScope(currentNode, currentParent)) { - enclosingBlockScopeContainer = currentNode; - enclosingBlockScopeContainerParent = currentParent; + function visitImportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } + var statements = []; + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (moduleKind !== ts.ModuleKind.AMD) { + if (!node.importClause) { + statements.push(ts.createStatement(createRequireCall(node), node)); } - if (ts.isFunctionLike(currentNode)) { - enclosingFunction = currentNode; - if (currentNode.kind !== 181) { - enclosingNonArrowFunction = currentNode; - if (!(ts.getEmitFlags(currentNode) & 2097152)) { - enclosingNonAsyncFunctionBody = currentNode; + else { + var variables = []; + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, createRequireCall(node))); + } + else { + variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), undefined, createRequireCall(node))); + if (namespaceDeclaration && ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node))); } } - } - switch (currentNode.kind) { - case 201: - enclosingVariableStatement = currentNode; - break; - case 220: - case 219: - case 170: - case 168: - case 169: - break; - default: - enclosingVariableStatement = undefined; + statements.push(ts.createVariableStatement(undefined, ts.createConstDeclarationList(variables), node)); } } - currentParent = currentNode; - currentNode = node; - } - function visitSwitchStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps |= 2; - var result = ts.visitEachChild(node, visitor, context); - convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; - return result; - } - function visitReturnStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - convertedLoopState.nonLocalJumps |= 8; - return ts.createReturn(ts.createObjectLiteral([ - ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression - ? ts.visitNode(node.expression, visitor, ts.isExpression) - : ts.createVoidZero()) - ])); - } - function visitThisKeyword(node) { - ts.Debug.assert(convertedLoopState !== undefined); - if (enclosingFunction && enclosingFunction.kind === 181) { - convertedLoopState.containsLexicalThis = true; - return node; + else if (namespaceDeclaration && ts.isDefaultImport(node)) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node), node) + ]))); } - return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); + addExportImportAssignments(statements, node); + return ts.singleOrMany(statements); } - function visitIdentifier(node) { - if (!convertedLoopState) { - return node; + function visitImportEqualsDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; } - if (ts.isGeneratedIdentifier(node)) { - return node; + ts.setEmitFlags(node.name, 128); + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + if (ts.hasModifier(node, 1)) { + statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), node)); + } + else { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), undefined, createRequireCall(node)) + ], undefined, languageVersion >= 2 ? 2 : 0), node)); + } } - if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { - return node; + else { + if (ts.hasModifier(node, 1)) { + statements.push(ts.createStatement(createExportAssignment(node.name, node.name), node)); + } } - return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); + addExportImportAssignments(statements, node); + return statements; } - function visitBreakOrContinueStatement(node) { - if (convertedLoopState) { - var jump = node.kind === 211 ? 2 : 4; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - var labelMarker = void 0; - if (!node.label) { - if (node.kind === 211) { - convertedLoopState.nonLocalJumps |= 2; - labelMarker = "break"; - } - else { - convertedLoopState.nonLocalJumps |= 4; - labelMarker = "continue"; - } - } - else { - if (node.kind === 211) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); - } - } - var returnExpression = ts.createLiteral(labelMarker); - if (convertedLoopState.loopOutParameters.length) { - var outParams = convertedLoopState.loopOutParameters; - var expr = void 0; - for (var i = 0; i < outParams.length; i++) { - var copyExpr = copyOutParameter(outParams[i], 1); - if (i === 0) { - expr = copyExpr; - } - else { - expr = ts.createBinary(expr, 25, copyExpr); - } - } - returnExpression = ts.createBinary(expr, 25, returnExpression); - } - return ts.createReturn(returnExpression); + function visitExportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } + var generatedName = ts.getGeneratedNameForNode(node); + if (node.exportClause) { + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(generatedName, undefined, createRequireCall(node)) + ]), node)); + } + for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); + statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), specifier)); } + return ts.singleOrMany(statements); + } + else { + return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), undefined, [ + moduleKind !== ts.ModuleKind.AMD + ? createRequireCall(node) + : generatedName + ]), node); } - return ts.visitEachChild(node, visitor, context); } - function visitClassDeclaration(node) { - var modifierFlags = ts.getModifierFlags(node); - var isExported = modifierFlags & 1; - var isDefault = modifierFlags & 512; - var modifiers = isExported && !isDefault - ? ts.filter(node.modifiers, isExportModifier) - : undefined; - var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(getDeclarationName(node, true), undefined, transformClassLikeDeclarationToExpression(node)) - ]), node); - ts.setOriginalNode(statement, node); - ts.startOnNewLine(statement); - if (isExported && isDefault) { - var statements = [statement]; - statements.push(ts.createExportAssignment(undefined, undefined, false, getDeclarationName(node, false))); - return statements; + function visitExportAssignment(node) { + if (node.isExportEquals) { + return undefined; } - return statement; + var statements = []; + addExportDefault(statements, node.expression, node); + return statements; } - function isExportModifier(node) { - return node.kind === 83; + function addExportDefault(statements, expression, location) { + tryAddExportDefaultCompat(statements); + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); } - function visitClassExpression(node) { - return transformClassLikeDeclarationToExpression(node); + function tryAddExportDefaultCompat(statements) { + var original = ts.getOriginalNode(currentSourceFile); + ts.Debug.assert(original.kind === 256); + if (!original.symbol.exports["___esModule"]) { + if (languageVersion === 0) { + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); + } + else { + statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ + ts.createIdentifier("exports"), + ts.createLiteral("__esModule"), + ts.createObjectLiteral([ + ts.createPropertyAssignment("value", ts.createLiteral(true)) + ]) + ]))); + } + } } - function transformClassLikeDeclarationToExpression(node) { - if (node.name) { - enableSubstitutionsForBlockScopedBindings(); + function addExportImportAssignments(statements, node) { + if (ts.isImportEqualsDeclaration(node)) { + addExportMemberAssignments(statements, node.name); } - var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); - var classFunction = ts.createFunctionExpression(undefined, undefined, undefined, undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], undefined, transformClassBody(node, extendsClauseElement)); - if (ts.getEmitFlags(node) & 524288) { - ts.setEmitFlags(classFunction, 524288); + else { + var names = ts.reduceEachChild(node, collectExportMembers, []); + for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { + var name_33 = names_1[_i]; + addExportMemberAssignments(statements, name_33); + } } - var inner = ts.createPartiallyEmittedExpression(classFunction); - inner.end = node.end; - ts.setEmitFlags(inner, 49152); - var outer = ts.createPartiallyEmittedExpression(inner); - outer.end = ts.skipTrivia(currentText, node.pos); - ts.setEmitFlags(outer, 49152); - return ts.createParen(ts.createCall(outer, undefined, extendsClauseElement - ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] - : [])); - } - function transformClassBody(node, extendsClauseElement) { - var statements = []; - startLexicalEnvironment(); - addExtendsHelperIfNeeded(statements, node, extendsClauseElement); - addConstructor(statements, node, extendsClauseElement); - addClassMembers(statements, node); - var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17); - var localName = getLocalName(node); - var outer = ts.createPartiallyEmittedExpression(localName); - outer.end = closingBraceLocation.end; - ts.setEmitFlags(outer, 49152); - var statement = ts.createReturn(outer); - statement.pos = closingBraceLocation.pos; - ts.setEmitFlags(statement, 49152 | 12288); - statements.push(statement); - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); - ts.setEmitFlags(block, 49152); - return block; } - function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { - if (extendsClauseElement) { - statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), extendsClauseElement)); + function collectExportMembers(names, node) { + if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { + var name_34 = node.name; + if (ts.isIdentifier(name_34)) { + names.push(name_34); + } } + return ts.reduceEachChild(node, collectExportMembers, names); } - function addConstructor(statements, node, extendsClauseElement) { - var constructor = ts.getFirstConstructorWithBody(node); - var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); - var constructorFunction = ts.createFunctionDeclaration(undefined, undefined, undefined, getDeclarationName(node), undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), constructor || node); - if (extendsClauseElement) { - ts.setEmitFlags(constructorFunction, 256); + function addExportMemberAssignments(statements, name) { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), specifier.name))); + } } - statements.push(constructorFunction); } - function transformConstructorParameters(constructor, hasSynthesizedSuper) { - if (constructor && !hasSynthesizedSuper) { - return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); + function addExportMemberAssignment(statements, node) { + if (ts.hasModifier(node, 512)) { + addExportDefault(statements, getDeclarationName(node), node); } - return []; - } - function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { - var statements = []; - startLexicalEnvironment(); - var statementOffset = -1; - if (hasSynthesizedSuper) { - statementOffset = 1; + else { + statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144), node)); } - else if (constructor) { - statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, false, visitor); + } + function visitVariableStatement(node) { + var originalKind = ts.getOriginalNode(node).kind; + if (originalKind === 226 || + originalKind === 225 || + originalKind === 222) { + if (!ts.hasModifier(node, 1)) { + return node; + } + return ts.setOriginalNode(ts.createVariableStatement(undefined, node.declarationList), node); } - if (constructor) { - addDefaultValueAssignmentsIfNeeded(statements, constructor); - addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); - ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); + var resultStatements = []; + if (ts.hasModifier(node, 1)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length > 0) { + var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); + resultStatements.push(inlineAssignments); + } } - var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); - if (superCaptureStatus === 1 || superCaptureStatus === 2) { - statementOffset++; + else { + resultStatements.push(node); } - if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); - ts.addRange(statements, body); + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + addExportMemberAssignmentsForBindingName(resultStatements, decl.name); } - if (extendsClauseElement - && superCaptureStatus !== 2 - && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { - statements.push(ts.createReturn(ts.createIdentifier("_this"))); - } - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : node, true); - if (!constructor) { - ts.setEmitFlags(block, 49152); - } - return block; + return resultStatements; } - function isSufficientlyCoveredByReturnStatements(statement) { - if (statement.kind === 212) { - return true; - } - else if (statement.kind === 204) { - var ifStatement = statement; - if (ifStatement.elseStatement) { - return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && - isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); + function addExportMemberAssignmentsForBindingName(resultStatements, name) { + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + addExportMemberAssignmentsForBindingName(resultStatements, element.name); + } } } - else if (statement.kind === 200) { - var lastStatement = ts.lastOrUndefined(statement.statements); - if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { - return true; + else { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + var sourceFileId = ts.getOriginalNodeId(currentSourceFile); + if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { + bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); + } + bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; + addExportMemberAssignments(resultStatements, name); } } - return false; } - function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { - if (!hasExtendsClause) { - if (ctor) { - addCaptureThisForNodeIfNeeded(statements, ctor); - } - return 0; - } - if (!ctor) { - statements.push(ts.createReturn(createDefaultSuperCallOrThis())); - return 2; + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); } - if (hasSynthesizedSuper) { - captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); - enableSubstitutionsForCapturedThis(); - return 1; + else { + return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); } - var firstStatement; - var superCallExpression; - var ctorStatements = ctor.body.statements; - if (statementOffset < ctorStatements.length) { - firstStatement = ctorStatements[statementOffset]; - if (firstStatement.kind === 203 && ts.isSuperCall(firstStatement.expression)) { - var superCall = firstStatement.expression; - superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); - } + } + function visitFunctionDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1)) { + var isAsync = ts.hasModifier(node, 256); + statements.push(ts.setOriginalNode(ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name, undefined, node.parameters, undefined, node.body, node), node)); + addExportMemberAssignment(statements, node); } - if (superCallExpression && statementOffset === ctorStatements.length - 1) { - statements.push(ts.createReturn(superCallExpression)); - return 2; + else { + statements.push(node); } - captureThisForNode(statements, ctor, superCallExpression, firstStatement); - if (superCallExpression) { - return 1; + if (node.name) { + addExportMemberAssignments(statements, node.name); } - return 0; - } - function createDefaultSuperCallOrThis() { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128); - var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); - return ts.createLogicalOr(superCall, actualThis); + return ts.singleOrMany(statements); } - function visitParameter(node) { - if (node.dotDotDotToken) { - return undefined; - } - else if (ts.isBindingPattern(node.name)) { - return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), undefined, node), node); - } - else if (node.initializer) { - return ts.setOriginalNode(ts.createParameter(node.name, undefined, node), node); + function visitClassDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1)) { + statements.push(ts.setOriginalNode(ts.createClassDeclaration(undefined, undefined, name, undefined, node.heritageClauses, node.members, node), node)); + addExportMemberAssignment(statements, node); } else { - return node; + statements.push(node); } + if (node.name && !(node.decorators && node.decorators.length)) { + addExportMemberAssignments(statements, node.name); + } + return ts.singleOrMany(statements); } - function shouldAddDefaultValueAssignments(node) { - return (node.transformFlags & 262144) !== 0; - } - function addDefaultValueAssignmentsIfNeeded(statements, node) { - if (!shouldAddDefaultValueAssignments(node)) { - return; + function visitExpressionStatement(node) { + var original = ts.getOriginalNode(node); + var origKind = original.kind; + if (origKind === 225 || origKind === 226) { + return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - var name_32 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; - if (dotDotDotToken) { - continue; - } - if (ts.isBindingPattern(name_32)) { - addDefaultValueAssignmentForBindingPattern(statements, parameter, name_32, initializer); - } - else if (initializer) { - addDefaultValueAssignmentForInitializer(statements, parameter, name_32, initializer); + else if (origKind === 222) { + var classDecl = original; + if (classDecl.name) { + var statements = [node]; + addExportMemberAssignments(statements, classDecl.name); + return statements; } } + return node; } - function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { - var temp = ts.getGeneratedNameForNode(parameter); - if (name.elements.length > 0) { - statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608)); - } - else if (initializer) { - statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608)); + function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { + var statements = [node]; + if (ts.hasModifier(original, 1) && + original.kind === 225 && + ts.isFirstDeclarationOfKind(original, 225)) { + addVarForExportedEnumOrNamespaceDeclaration(statements, original); } + addExportMemberAssignments(statements, original.name); + return statements; } - function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { - initializer = ts.visitNode(initializer, visitor, ts.isExpression); - var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ - ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536), ts.setEmitFlags(initializer, 1536 | ts.getEmitFlags(initializer)), parameter)) - ], parameter), 32 | 1024 | 12288), undefined, parameter); - statement.startsOnNewLine = true; - ts.setEmitFlags(statement, 12288 | 1024 | 8388608); - statements.push(statement); - } - function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { - return node && node.dotDotDotToken && node.name.kind === 70 && !inConstructorWithSynthesizedSuper; + function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { + var transformedStatement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], node); + ts.setEmitFlags(transformedStatement, 49152); + statements.push(transformedStatement); } - function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { - var parameter = ts.lastOrUndefined(node.parameters); - if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { - return; - } - var declarationName = ts.getMutableClone(parameter.name); - ts.setEmitFlags(declarationName, 1536); - var expressionName = ts.getSynthesizedClone(parameter.name); - var restIndex = node.parameters.length - 1; - var temp = ts.createLoopVariable(); - statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(declarationName, undefined, ts.createArrayLiteral([])) - ]), parameter), 8388608)); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(temp, undefined, ts.createLiteral(restIndex)) - ], parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), parameter), ts.createPostfixIncrement(temp, parameter), ts.createBlock([ - ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), parameter)) - ])); - ts.setEmitFlags(forStatement, 8388608); - ts.startOnNewLine(forStatement); - statements.push(forStatement); + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); } - function addCaptureThisForNodeIfNeeded(statements, node) { - if (node.transformFlags & 65536 && node.kind !== 181) { - captureThisForNode(statements, node, ts.createThis()); + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256) { + bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + bindingNameExportSpecifiersMap = undefined; } - } - function captureThisForNode(statements, node, initializer, originalStatement) { - enableSubstitutionsForCapturedThis(); - var captureThisStatement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("_this", undefined, initializer) - ]), originalStatement); - ts.setEmitFlags(captureThisStatement, 49152 | 8388608); - ts.setSourceMapRange(captureThisStatement, node); - statements.push(captureThisStatement); - } - function addClassMembers(statements, node) { - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - switch (member.kind) { - case 199: - statements.push(transformSemicolonClassElementToStatement(member)); - break; - case 148: - statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); - break; - case 150: - case 151: - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); - } - break; - case 149: - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; - } + else { + previousOnEmitNode(emitContext, node, emitCallback); } } - function transformSemicolonClassElementToStatement(member) { - return ts.createEmptyStatement(member); - } - function transformClassMethodDeclarationToStatement(receiver, member) { - var commentRange = ts.getCommentRange(member); - var sourceMapRange = ts.getSourceMapRange(member); - var func = transformFunctionLikeToExpression(member, member, undefined); - ts.setEmitFlags(func, 49152); - ts.setSourceMapRange(func, sourceMapRange); - var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), member.name), func), member); - ts.setOriginalNode(statement, member); - ts.setCommentRange(statement, commentRange); - ts.setEmitFlags(statement, 1536); - return statement; - } - function transformAccessorsToStatement(receiver, accessors) { - var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, false), ts.getSourceMapRange(accessors.firstAccessor)); - ts.setEmitFlags(statement, 49152); - return statement; - } - function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { - var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; - var target = ts.getMutableClone(receiver); - ts.setEmitFlags(target, 49152 | 1024); - ts.setSourceMapRange(target, firstAccessor.name); - var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); - ts.setEmitFlags(propertyName, 49152 | 512); - ts.setSourceMapRange(propertyName, firstAccessor.name); - var properties = []; - if (getAccessor) { - var getterFunction = transformFunctionLikeToExpression(getAccessor, undefined, undefined); - ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); - ts.setEmitFlags(getterFunction, 16384); - var getter = ts.createPropertyAssignment("get", getterFunction); - ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); - properties.push(getter); - } - if (setAccessor) { - var setterFunction = transformFunctionLikeToExpression(setAccessor, undefined, undefined); - ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); - ts.setEmitFlags(setterFunction, 16384); - var setter = ts.createPropertyAssignment("set", setterFunction); - ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); - properties.push(setter); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); - var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ - target, - propertyName, - ts.createObjectLiteral(properties, undefined, true) - ]); - if (startsOnNewLine) { - call.startsOnNewLine = true; + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); } - return call; + return node; } - function visitArrowFunction(node) { - if (node.transformFlags & 32768) { - enableSubstitutionsForCapturedThis(); + function substituteShorthandPropertyAssignment(node) { + var name = node.name; + var exportedOrImportedName = substituteExpressionIdentifier(name); + if (exportedOrImportedName !== name) { + if (node.objectAssignmentInitializer) { + var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); + return ts.createPropertyAssignment(name, initializer, node); + } + return ts.createPropertyAssignment(name, exportedOrImportedName, node); } - var func = transformFunctionLikeToExpression(node, node, undefined); - ts.setEmitFlags(func, 256); - return func; + return node; } - function visitFunctionExpression(node) { - return transformFunctionLikeToExpression(node, node, node.name); + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 188: + return substituteBinaryExpression(node); + case 187: + case 186: + return substituteUnaryExpression(node); + } + return node; } - function visitFunctionDeclaration(node) { - return ts.setOriginalNode(ts.createFunctionDeclaration(undefined, node.modifiers, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node), node); + function substituteExpressionIdentifier(node) { + return trySubstituteExportedName(node) + || trySubstituteImportedName(node) + || node; } - function transformFunctionLikeToExpression(node, location, name) { - var savedContainingNonArrowFunction = enclosingNonArrowFunction; - if (node.kind !== 181) { - enclosingNonArrowFunction = node; + function substituteBinaryExpression(node) { + var left = node.left; + if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { + ts.setEmitFlags(node, 128); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, node); + } + return nestedExportAssignment; + } } - var expression = ts.setOriginalNode(ts.createFunctionExpression(undefined, node.asteriskToken, name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, saveStateAndInvoke(node, transformFunctionBody), location), node); - enclosingNonArrowFunction = savedContainingNonArrowFunction; - return expression; + return node; } - function transformFunctionBody(node) { - var multiLine = false; - var singleLine = false; - var statementsLocation; - var closeBraceLocation; - var statements = []; - var body = node.body; - var statementOffset; - startLexicalEnvironment(); - if (ts.isBlock(body)) { - statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); - } - addCaptureThisForNodeIfNeeded(statements, node); - addDefaultValueAssignmentsIfNeeded(statements, node); - addRestParameterIfNeeded(statements, node, false); - if (!multiLine && statements.length > 0) { - multiLine = true; + function substituteUnaryExpression(node) { + var operator = node.operator; + var operand = node.operand; + if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { + ts.setEmitFlags(node, 128); + var transformedUnaryExpression = void 0; + if (node.kind === 187) { + transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 ? 58 : 59), ts.createLiteral(1), node); + ts.setEmitFlags(transformedUnaryExpression, 128); + } + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, transformedUnaryExpression || node); + } + return nestedExportAssignment; + } } - if (ts.isBlock(body)) { - statementsLocation = body.statements; - ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); - if (!multiLine && body.multiLine) { - multiLine = true; + return node; + } + function trySubstituteExportedName(node) { + var emitFlags = ts.getEmitFlags(node); + if ((emitFlags & 262144) === 0) { + var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072) !== 0); + if (container) { + if (container.kind === 256) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), node); + } } } - else { - ts.Debug.assert(node.kind === 181); - statementsLocation = ts.moveRangeEnd(body, -1); - var equalsGreaterThanToken = node.equalsGreaterThanToken; - if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { - if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { - singleLine = true; + return undefined; + } + function trySubstituteImportedName(node) { + if ((ts.getEmitFlags(node) & 262144) === 0) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (ts.isImportClause(declaration)) { + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), node); } - else { - multiLine = true; + else if (ts.isImportSpecifier(declaration)) { + var name_35 = declaration.propertyName || declaration.name; + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_35), node); } } - var expression = ts.visitNode(body, visitor, ts.isExpression); - var returnStatement = ts.createReturn(expression, body); - ts.setEmitFlags(returnStatement, 12288 | 1024 | 32768); - statements.push(returnStatement); - closeBraceLocation = body; - } - var lexicalEnvironment = endLexicalEnvironment(); - ts.addRange(statements, lexicalEnvironment); - if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { - multiLine = true; } - var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); - if (!multiLine && singleLine) { - ts.setEmitFlags(block, 32); - } - if (closeBraceLocation) { - ts.setTokenSourceMapRange(block, 17, closeBraceLocation); - } - ts.setOriginalNode(block, node.body); - return block; + return undefined; } - function visitExpressionStatement(node) { - switch (node.expression.kind) { - case 179: - return ts.updateStatement(node, visitParenthesizedExpression(node.expression, false)); - case 188: - return ts.updateStatement(node, visitBinaryExpression(node.expression, false)); + function getModuleMemberName(name) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), name, name); + } + function createRequireCall(importNode) { + var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var args = []; + if (ts.isDefined(moduleName)) { + args.push(moduleName); } - return ts.visitEachChild(node, visitor, context); + return ts.createCall(ts.createIdentifier("require"), undefined, args); } - function visitParenthesizedExpression(node, needsDestructuringValue) { - if (needsDestructuringValue) { - switch (node.expression.kind) { - case 179: - return ts.createParen(visitParenthesizedExpression(node.expression, true), node); - case 188: - return ts.createParen(visitBinaryExpression(node.expression, true), node); - } + function createExportStatement(name, value, location) { + var statement = ts.createStatement(createExportAssignment(name, value)); + statement.startsOnNewLine = true; + if (location) { + ts.setSourceMapRange(statement, location); } - return ts.visitEachChild(node, visitor, context); + return statement; } - function visitBinaryExpression(node, needsDestructuringValue) { - ts.Debug.assert(ts.isDestructuringAssignment(node)); - return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); + function createExportAssignment(name, value) { + return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); } - function visitVariableStatement(node) { - if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3) == 0) { - var assignments = void 0; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); - if (decl.initializer) { - var assignment = void 0; - if (ts.isBindingPattern(decl.name)) { - assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, undefined, visitor); - } - else { - assignment = ts.createBinary(decl.name, 57, ts.visitNode(decl.initializer, visitor, ts.isExpression)); - } - (assignments || (assignments = [])).push(assignment); - } - } - if (assignments) { - return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25, acc); }), node); + function collectAsynchronousDependencies(node, includeNonAmdDependencies) { + var aliasedModuleNames = []; + var unaliasedModuleNames = []; + var importAliasNames = []; + for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { + var amdDependency = _a[_i]; + if (amdDependency.name) { + aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + importAliasNames.push(ts.createParameter(amdDependency.name)); } else { - return undefined; + unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); } } - return ts.visitEachChild(node, visitor, context); - } - function visitVariableDeclarationList(node) { - if (node.flags & 3) { - enableSubstitutionsForBlockScopedBindings(); - } - var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 - ? visitVariableDeclarationInLetDeclarationList - : visitVariableDeclaration)); - var declarationList = ts.createVariableDeclarationList(declarations, node); - ts.setOriginalNode(declarationList, node); - ts.setCommentRange(declarationList, node); - if (node.transformFlags & 8388608 - && (ts.isBindingPattern(node.declarations[0].name) - || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { - var firstDeclaration = ts.firstOrUndefined(declarations); - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { + var importNode = externalImports_3[_b]; + var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); + if (includeNonAmdDependencies && importAliasName) { + ts.setEmitFlags(importAliasName, 128); + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(ts.createParameter(importAliasName)); + } + else { + unaliasedModuleNames.push(externalModuleName); + } } - return declarationList; - } - function shouldEmitExplicitInitializerForLetDeclaration(node) { - var flags = resolver.getNodeCheckFlags(node); - var isCapturedInFunction = flags & 131072; - var isDeclaredInLoop = flags & 262144; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) - || (isCapturedInFunction - && isDeclaredInLoop - && ts.isBlock(enclosingBlockScopeContainer) - && ts.isIterationStatement(enclosingBlockScopeContainerParent, false)); - var emitExplicitInitializer = !emittedAsTopLevel - && enclosingBlockScopeContainer.kind !== 208 - && enclosingBlockScopeContainer.kind !== 209 - && (!resolver.isDeclarationWithCollidingName(node) - || (isDeclaredInLoop - && !isCapturedInFunction - && !ts.isIterationStatement(enclosingBlockScopeContainer, false))); - return emitExplicitInitializer; + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; } - function visitVariableDeclarationInLetDeclarationList(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return visitVariableDeclaration(node); - } - if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { - var clone_5 = ts.getMutableClone(node); - clone_5.initializer = ts.createVoidZero(); - return clone_5; - } - return ts.visitEachChild(node, visitor, context); + function updateSourceFile(node, statements) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + return updated; } - function visitVariableDeclaration(node) { - if (ts.isBindingPattern(node.name)) { - var recordTempVariablesInLine = !enclosingVariableStatement - || !ts.hasModifier(enclosingVariableStatement, 1); - return ts.flattenVariableDestructuring(node, undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); + var _a; + } + ts.transformModule = transformModule; +})(ts || (ts = {})); +var ts; +(function (ts) { + var entities = createEntitiesMap(); + function transformJsx(context) { + var compilerOptions = context.getCompilerOptions(); + var currentSourceFile; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - return ts.visitEachChild(node, visitor, context); + currentSourceFile = node; + node = ts.visitEachChild(node, visitor, context); + currentSourceFile = undefined; + return node; } - function visitLabeledStatement(node) { - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = ts.createMap(); - } - convertedLoopState.labels[node.label.text] = node.label.text; + function visitor(node) { + if (node.transformFlags & 4) { + return visitorWorker(node); } - var result; - if (ts.isIterationStatement(node.statement, false) && shouldConvertIterationStatementBody(node.statement)) { - result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); + else if (node.transformFlags & 8) { + return ts.visitEachChild(node, visitor, context); } else { - result = ts.visitEachChild(node, visitor, context); - } - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; + return node; } - return result; } - function visitDoStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitWhileStatement(node) { - return convertIterationStatementBodyIfNecessary(node); + function visitorWorker(node) { + switch (node.kind) { + case 242: + return visitJsxElement(node, false); + case 243: + return visitJsxSelfClosingElement(node, false); + case 248: + return visitJsxExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return undefined; + } } - function visitForStatement(node) { - return convertIterationStatementBodyIfNecessary(node); + function transformJsxChildToExpression(node) { + switch (node.kind) { + case 10: + return visitJsxText(node); + case 248: + return visitJsxExpression(node); + case 242: + return visitJsxElement(node, true); + case 243: + return visitJsxSelfClosingElement(node, true); + default: + ts.Debug.failBadSyntaxKind(node); + return undefined; + } } - function visitForInStatement(node) { - return convertIterationStatementBodyIfNecessary(node); + function visitJsxElement(node, isChild) { + return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, node); } - function visitForOfStatement(node) { - return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + function visitJsxSelfClosingElement(node, isChild) { + return visitJsxOpeningLikeElement(node, undefined, isChild, node); } - function convertForOfToFor(node, convertedLoopBodyStatements) { - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - var initializer = node.initializer; - var statements = []; - var counter = ts.createLoopVariable(); - var rhsReference = expression.kind === 70 - ? ts.createUniqueName(expression.text) - : ts.createTempVariable(undefined); - if (ts.isVariableDeclarationList(initializer)) { - if (initializer.flags & 3) { - enableSubstitutionsForBlockScopedBindings(); - } - var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); - if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { - var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); - var declarationList = ts.createVariableDeclarationList(declarations, initializer); - ts.setOriginalNode(declarationList, initializer); - var firstDeclaration = declarations[0]; - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); - statements.push(ts.createVariableStatement(undefined, declarationList)); - } - else { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(undefined), undefined, ts.createElementAccess(rhsReference, counter)) - ], ts.moveRangePos(initializer, -1)), ts.moveRangeEnd(initializer, -1))); - } - } - else { - var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); - if (ts.isDestructuringAssignment(assignment)) { - statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, false, hoistVariableDeclaration, visitor))); - } - else { - assignment.end = initializer.end; - statements.push(ts.createStatement(assignment, ts.moveRangeEnd(initializer, -1))); - } - } - var bodyLocation; - var statementsLocation; - if (convertedLoopBodyStatements) { - ts.addRange(statements, convertedLoopBodyStatements); + function visitJsxOpeningLikeElement(node, children, isChild, location) { + var tagName = getTagName(node); + var objectProperties; + var attrs = node.attributes; + if (attrs.length === 0) { + objectProperties = ts.createNull(); } else { - var statement = ts.visitNode(node.statement, visitor, ts.isStatement); - if (ts.isBlock(statement)) { - ts.addRange(statements, statement.statements); - bodyLocation = statement; - statementsLocation = statement.statements; - } - else { - statements.push(statement); - } - } - ts.setEmitFlags(expression, 1536 | ts.getEmitFlags(expression)); - var body = ts.createBlock(ts.createNodeArray(statements, statementsLocation), bodyLocation); - ts.setEmitFlags(body, 1536 | 12288); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(counter, undefined, ts.createLiteral(0), ts.moveRangePos(node.expression, -1)), - ts.createVariableDeclaration(rhsReference, undefined, expression, node.expression) - ], node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), node.expression), ts.createPostfixIncrement(counter, node.expression), body, node); - ts.setEmitFlags(forStatement, 8192); - return forStatement; - } - function visitObjectLiteralExpression(node) { - var properties = node.properties; - var numProperties = properties.length; - var numInitialProperties = numProperties; - for (var i = 0; i < numProperties; i++) { - var property = properties[i]; - if (property.transformFlags & 16777216 - || property.name.kind === 141) { - numInitialProperties = i; - break; + var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread + ? ts.map(attrs, transformJsxSpreadAttributeToExpression) + : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); + if (ts.isJsxSpreadAttribute(attrs[0])) { + segments.unshift(ts.createObjectLiteral()); } + objectProperties = ts.singleOrUndefined(segments) + || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); } - ts.Debug.assert(numInitialProperties !== numProperties); - var temp = ts.createTempVariable(hoistVariableDeclaration); - var expressions = []; - var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, node.multiLine), 524288)); - if (node.multiLine) { - assignment.startsOnNewLine = true; + var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); + if (isChild) { + ts.startOnNewLine(element); } - expressions.push(assignment); - addObjectLiteralMembers(expressions, node, temp, numInitialProperties); - expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); + return element; } - function shouldConvertIterationStatementBody(node) { - return (resolver.getNodeCheckFlags(node) & 65536) !== 0; + function transformJsxSpreadAttributeToExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } - function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(node.name); - function visit(node) { - if (node.kind === 70) { - state.hoistedLocalVariables.push(node); - } - else { - for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - visit(element.name); - } - } - } - } + function transformJsxAttributeToObjectLiteralElement(node) { + var name = getAttributeName(node); + var expression = transformJsxAttributeInitializer(node.initializer); + return ts.createPropertyAssignment(name, expression); } - function convertIterationStatementBodyIfNecessary(node, convert) { - if (!shouldConvertIterationStatementBody(node)) { - var saveAllowedNonLabeledJumps = void 0; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 | 4; - } - var result = convert ? convert(node, undefined) : ts.visitEachChild(node, visitor, context); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - return result; - } - var functionName = ts.createUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 207: - case 208: - case 209: - var initializer = node.initializer; - if (initializer && initializer.kind === 220) { - loopInitializer = initializer; - } - break; - } - var loopParameters = []; - var loopOutParameters = []; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3)) { - for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); - } - } - var outerConvertedLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (outerConvertedLoopState) { - if (outerConvertedLoopState.argumentsName) { - convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; - } - if (outerConvertedLoopState.thisName) { - convertedLoopState.thisName = outerConvertedLoopState.thisName; - } - if (outerConvertedLoopState.hoistedLocalVariables) { - convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; - } - } - var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); - var currentState = convertedLoopState; - convertedLoopState = outerConvertedLoopState; - if (loopOutParameters.length) { - var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; - copyOutParameters(loopOutParameters, 1, statements_3); - loopBody = ts.createBlock(statements_3, undefined, true); - } - if (!ts.isBlock(loopBody)) { - loopBody = ts.createBlock([loopBody], undefined, true); - } - var isAsyncBlockContainingAwait = enclosingNonArrowFunction - && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152) !== 0 - && (node.statement.transformFlags & 16777216) !== 0; - var loopBodyFlags = 0; - if (currentState.containsLexicalThis) { - loopBodyFlags |= 256; - } - if (isAsyncBlockContainingAwait) { - loopBodyFlags |= 2097152; - } - var convertedLoopVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(functionName, undefined, ts.setEmitFlags(ts.createFunctionExpression(undefined, isAsyncBlockContainingAwait ? ts.createToken(38) : undefined, undefined, undefined, loopParameters, undefined, loopBody), loopBodyFlags)) - ])); - var statements = [convertedLoopVariable]; - var extraVariableDeclarations; - if (currentState.argumentsName) { - if (outerConvertedLoopState) { - outerConvertedLoopState.argumentsName = currentState.argumentsName; - } - else { - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, undefined, ts.createIdentifier("arguments"))); - } - } - if (currentState.thisName) { - if (outerConvertedLoopState) { - outerConvertedLoopState.thisName = currentState.thisName; - } - else { - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, undefined, ts.createIdentifier("this"))); - } - } - if (currentState.hoistedLocalVariables) { - if (outerConvertedLoopState) { - outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; - } - else { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { - var identifier = _c[_b]; - extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); - } - } - } - if (loopOutParameters.length) { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { - var outParam = loopOutParameters_1[_d]; - extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); - } + function transformJsxAttributeInitializer(node) { + if (node === undefined) { + return ts.createLiteral(true); } - if (extraVariableDeclarations) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); + else if (node.kind === 9) { + var decoded = tryDecodeEntities(node.text); + return decoded ? ts.createLiteral(decoded, node) : node; } - var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); - var loop; - if (convert) { - loop = convert(node, convertedLoopBodyStatements); + else if (node.kind === 248) { + return visitJsxExpression(node); } else { - loop = ts.getMutableClone(node); - loop.statement = undefined; - loop = ts.visitEachChild(loop, visitor, context); - loop.statement = ts.createBlock(convertedLoopBodyStatements, undefined, true); - loop.transformFlags = 0; - ts.aggregateTransformFlags(loop); - } - statements.push(currentParent.kind === 215 - ? ts.createLabel(currentParent.label, loop) - : loop); - return statements; - } - function copyOutParameter(outParam, copyDirection) { - var source = copyDirection === 0 ? outParam.outParamName : outParam.originalName; - var target = copyDirection === 0 ? outParam.originalName : outParam.outParamName; - return ts.createBinary(target, 57, source); - } - function copyOutParameters(outParams, copyDirection, statements) { - for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { - var outParam = outParams_1[_i]; - statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); + ts.Debug.failBadSyntaxKind(node); } } - function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { - var outerConvertedLoopState = convertedLoopState; - var statements = []; - var isSimpleLoop = !(state.nonLocalJumps & ~4) && - !state.labeledNonLocalBreaks && - !state.labeledNonLocalContinues; - var call = ts.createCall(loopFunctionExpressionName, undefined, ts.map(parameters, function (p) { return p.name; })); - var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38), call) : call; - if (isSimpleLoop) { - statements.push(ts.createStatement(callResult)); - copyOutParameters(state.loopOutParameters, 0, statements); - } - else { - var loopResultName = ts.createUniqueName("state"); - var stateVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, undefined, callResult)])); - statements.push(stateVariable); - copyOutParameters(state.loopOutParameters, 0, statements); - if (state.nonLocalJumps & 8) { - var returnStatement = void 0; - if (outerConvertedLoopState) { - outerConvertedLoopState.nonLocalJumps |= 8; - returnStatement = ts.createReturn(loopResultName); - } - else { - returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + function visitJsxText(node) { + var text = ts.getTextOfNode(node, true); + var parts; + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + if (!parts) { + parts = []; + } + parts.push(ts.createLiteral(decodeEntities(part))); } - statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33, ts.createLiteral("object")), returnStatement)); - } - if (state.nonLocalJumps & 2) { - statements.push(ts.createIf(ts.createBinary(loopResultName, 33, ts.createLiteral("break")), ts.createBreak())); + firstNonWhitespace = -1; } - if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { - var caseClauses = []; - processLabeledJumps(state.labeledNonLocalBreaks, true, loopResultName, outerConvertedLoopState, caseClauses); - processLabeledJumps(state.labeledNonLocalContinues, false, loopResultName, outerConvertedLoopState, caseClauses); - statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } } } - return statements; - } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = ts.createMap(); + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + if (!parts) { + parts = []; } - state.labeledNonLocalBreaks[labelText] = labelMarker; + parts.push(ts.createLiteral(decodeEntities(part))); } - else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = ts.createMap(); - } - state.labeledNonLocalContinues[labelText] = labelMarker; + if (parts) { + return ts.reduceLeft(parts, aggregateJsxTextParts); } + return undefined; } - function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { - if (!table) { - return; - } - for (var labelText in table) { - var labelMarker = table[labelText]; - var statements = []; - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - var label = ts.createIdentifier(labelText); - statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); + function aggregateJsxTextParts(left, right) { + return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); + } + function decodeEntities(text) { + return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { + if (decimal) { + return String.fromCharCode(parseInt(decimal, 10)); + } + else if (hex) { + return String.fromCharCode(parseInt(hex, 16)); } else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - statements.push(ts.createReturn(loopResultName)); + var ch = entities[word]; + return ch ? String.fromCharCode(ch) : match; } - caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); - } + }); } - function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { - var name = decl.name; - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - processLoopVariableDeclaration(element, loopParameters, loopOutParameters); - } - } + function tryDecodeEntities(text) { + var decoded = decodeEntities(text); + return decoded === text ? undefined : decoded; + } + function getTagName(node) { + if (node.kind === 242) { + return getTagName(node.openingElement); } else { - loopParameters.push(ts.createParameter(name)); - if (resolver.getNodeCheckFlags(decl) & 2097152) { - var outParamName = ts.createUniqueName("out_" + name.text); - loopOutParameters.push({ originalName: name, outParamName: outParamName }); + var name_36 = node.tagName; + if (ts.isIdentifier(name_36) && ts.isIntrinsicJsxName(name_36.text)) { + return ts.createLiteral(name_36.text); } - } - } - function addObjectLiteralMembers(expressions, node, receiver, start) { - var properties = node.properties; - var numProperties = properties.length; - for (var i = start; i < numProperties; i++) { - var property = properties[i]; - switch (property.kind) { - case 150: - case 151: - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property === accessors.firstAccessor) { - expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); - } - break; - case 253: - expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 254: - expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 148: - expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; + else { + return ts.createExpressionFromEntityName(name_36); } } } - function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; - } - return expression; - } - function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; - } - return expression; - } - function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, method, undefined), method); - if (startsOnNewLine) { - expression.startsOnNewLine = true; - } - return expression; - } - function visitMethodDeclaration(node) { - ts.Debug.assert(!ts.isComputedPropertyName(node.name)); - var functionExpression = transformFunctionLikeToExpression(node, ts.moveRangePos(node, -1), undefined); - ts.setEmitFlags(functionExpression, 16384 | ts.getEmitFlags(functionExpression)); - return ts.createPropertyAssignment(node.name, functionExpression, node); - } - function visitShorthandPropertyAssignment(node) { - return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), node); - } - function visitYieldExpression(node) { - return ts.visitEachChild(node, visitor, context); - } - function visitArrayLiteralExpression(node) { - return transformAndSpreadElements(node.elements, true, node.multiLine, node.elements.hasTrailingComma); - } - function visitCallExpression(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, true); - } - function visitImmediateSuperCallInBody(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, false); - } - function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - if (node.expression.kind === 96) { - ts.setEmitFlags(thisArg, 128); - } - var resultingCall; - if (node.transformFlags & 1048576) { - resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, false, false, false)); + function getAttributeName(node) { + var name = node.name; + if (/^[A-Za-z_]\w*$/.test(name.text)) { + return name; } else { - resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), node); - } - if (node.expression.kind === 96) { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128); - var initializer = ts.createLogicalOr(resultingCall, actualThis); - return assignToCapturedThis - ? ts.createAssignment(ts.createIdentifier("_this"), initializer) - : initializer; + return ts.createLiteral(name.text); } - return resultingCall; } - function visitNewExpression(node) { - ts.Debug.assert((node.transformFlags & 1048576) !== 0); - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), false, false, false)), undefined, []); + function visitJsxExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } - function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { - var numElements = elements.length; - var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { - return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); - })); - if (segments.length === 1) { - var firstElement = elements[0]; - return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 - ? ts.createArraySlice(segments[0]) - : segments[0]; + } + ts.transformJsx = transformJsx; + function createEntitiesMap() { + return ts.createMap({ + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }); + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2017(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var currentSourceFileExternalHelpersModuleName; + var enabledSubstitutions; + var applicableSubstitutions; + var currentSuperContainer; + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentScope; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - return ts.createArrayConcat(segments.shift(), segments); + currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; + return ts.visitEachChild(node, visitor, context); } - function partitionSpreadElement(node) { - return ts.isSpreadElementExpression(node) - ? visitSpanOfSpreadElements - : visitSpanOfNonSpreadElements; + function visitor(node) { + if (node.transformFlags & 16) { + return visitorWorker(node); + } + else if (node.transformFlags & 32) { + return ts.visitEachChild(node, visitor, context); + } + return node; } - function visitSpanOfSpreadElements(chunk) { - return ts.map(chunk, visitExpressionOfSpreadElement); + function visitorWorker(node) { + switch (node.kind) { + case 119: + return undefined; + case 185: + return visitAwaitExpression(node); + case 148: + return visitMethodDeclaration(node); + case 221: + return visitFunctionDeclaration(node); + case 180: + return visitFunctionExpression(node); + case 181: + return visitArrowFunction(node); + default: + ts.Debug.failBadSyntaxKind(node); + return node; + } } - function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { - return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, undefined, hasTrailingComma), visitor, ts.isExpression), undefined, multiLine); + function visitAwaitExpression(node) { + return ts.setOriginalNode(ts.createYield(undefined, ts.visitNode(node.expression, visitor, ts.isExpression), node), node); } - function visitExpressionOfSpreadElement(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function visitMethodDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; + } + var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setCommentRange(method, node); + ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(method, node); + return method; } - function visitTemplateLiteral(node) { - return ts.createLiteral(node.text, node); + function visitFunctionDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; + } + var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function visitTaggedTemplateExpression(node) { - var tag = ts.visitNode(node.tag, visitor, ts.isExpression); - var temp = ts.createTempVariable(hoistVariableDeclaration); - var templateArguments = [temp]; - var cookedStrings = []; - var rawStrings = []; - var template = node.template; - if (ts.isNoSubstitutionTemplateLiteral(template)) { - cookedStrings.push(ts.createLiteral(template.text)); - rawStrings.push(getRawLiteral(template)); + function visitFunctionExpression(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - else { - cookedStrings.push(ts.createLiteral(template.head.text)); - rawStrings.push(getRawLiteral(template.head)); - for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { - var templateSpan = _a[_i]; - cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); - rawStrings.push(getRawLiteral(templateSpan.literal)); - templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); - } + if (ts.nodeIsMissing(node.body)) { + return ts.createOmittedExpression(); } - return ts.createParen(ts.inlineExpressions([ - ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), - ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), - ts.createCall(tag, undefined, templateArguments) - ])); - } - function getRawLiteral(node) { - var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); - var isLast = node.kind === 12 || node.kind === 15; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - text = text.replace(/\r\n?/g, "\n"); - return ts.createLiteral(text, node); + var func = ts.createFunctionExpression(undefined, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function visitTemplateExpression(node) { - var expressions = []; - addTemplateHead(expressions, node); - addTemplateSpans(expressions, node); - var expression = ts.reduceLeft(expressions, ts.createAdd); - if (ts.nodeIsSynthesized(expression)) { - ts.setTextRange(expression, node); + function visitArrowFunction(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - return expression; + var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function shouldAddTemplateHead(node) { - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + function transformFunctionBody(node) { + return transformAsyncFunctionBody(node); } - function addTemplateHead(expressions, node) { - if (!shouldAddTemplateHead(node)) { - return; - } - expressions.push(ts.createLiteral(node.head.text)); + function transformConciseBody(node) { + return transformAsyncFunctionBody(node); } - function addTemplateSpans(expressions, node) { - for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { - var span_6 = _a[_i]; - expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); - if (span_6.literal.text.length !== 0) { - expressions.push(ts.createLiteral(span_6.literal.text)); + function transformFunctionBodyWorker(body, start) { + if (start === void 0) { start = 0; } + var savedCurrentScope = currentScope; + currentScope = body; + startLexicalEnvironment(); + var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); + var visited = ts.updateBlock(body, statements); + var declarations = endLexicalEnvironment(); + currentScope = savedCurrentScope; + return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + } + function transformAsyncFunctionBody(node) { + var nodeType = node.original ? node.original.type : node.type; + var promiseConstructor = languageVersion < 2 ? getPromiseConstructor(nodeType) : undefined; + var isArrowFunction = node.kind === 181; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; + if (!isArrowFunction) { + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, false, visitor); + statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); + var block = ts.createBlock(statements, node.body, true); + if (languageVersion >= 2) { + if (resolver.getNodeCheckFlags(node) & 4096) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 8); + } + else if (resolver.getNodeCheckFlags(node) & 2048) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 4); + } } + return block; + } + else { + return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, true)); } } - function visitSuperKeyword() { - return enclosingNonAsyncFunctionBody - && ts.isClassElement(enclosingNonAsyncFunctionBody) - && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32) - && currentParent.kind !== 175 - ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") - : ts.createIdentifier("_super"); - } - function visitSourceFileNode(node) { - var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; - var statements = []; - startLexicalEnvironment(); - ts.addRange(statements, prologue); - addCaptureThisForNodeIfNeeded(statements, node); - ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); - ts.addRange(statements, endLexicalEnvironment()); - var clone = ts.getMutableClone(node); - clone.statements = ts.createNodeArray(statements, node.statements); - return clone; - } - function onEmitNode(emitContext, node, emitCallback) { - var savedEnclosingFunction = enclosingFunction; - if (enabledSubstitutions & 1 && ts.isFunctionLike(node)) { - enclosingFunction = node; + function transformConciseBodyWorker(body, forceBlockFunctionBody) { + if (ts.isBlock(body)) { + return transformFunctionBodyWorker(body); + } + else { + startLexicalEnvironment(); + var visited = ts.visitNode(body, visitor, ts.isConciseBody); + var declarations = endLexicalEnvironment(); + var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (forceBlockFunctionBody && !ts.isBlock(merged)) { + return ts.createBlock([ + ts.createReturn(merged) + ]); + } + else { + return merged; + } } - previousOnEmitNode(emitContext, node, emitCallback); - enclosingFunction = savedEnclosingFunction; } - function enableSubstitutionsForBlockScopedBindings() { - if ((enabledSubstitutions & 2) === 0) { - enabledSubstitutions |= 2; - context.enableSubstitution(70); + function getPromiseConstructor(type) { + var typeName = ts.getEntityNameFromTypeNode(type); + if (typeName && ts.isEntityName(typeName)) { + var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); + if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue + || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { + return typeName; + } } + return undefined; } - function enableSubstitutionsForCapturedThis() { + function enableSubstitutionForAsyncMethodsWithSuper() { if ((enabledSubstitutions & 1) === 0) { enabledSubstitutions |= 1; - context.enableSubstitution(98); - context.enableEmitNotification(149); + context.enableSubstitution(175); + context.enableSubstitution(173); + context.enableSubstitution(174); + context.enableEmitNotification(222); context.enableEmitNotification(148); context.enableEmitNotification(150); context.enableEmitNotification(151); - context.enableEmitNotification(181); - context.enableEmitNotification(180); - context.enableEmitNotification(221); + context.enableEmitNotification(149); } } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); - } - if (ts.isIdentifier(node)) { - return substituteIdentifier(node); + function substituteExpression(node) { + switch (node.kind) { + case 173: + return substitutePropertyAccessExpression(node); + case 174: + return substituteElementAccessExpression(node); + case 175: + if (enabledSubstitutions & 1) { + return substituteCallExpression(node); + } + break; } return node; } - function substituteIdentifier(node) { - if (enabledSubstitutions & 2) { - var original = ts.getParseTreeNode(node, ts.isIdentifier); - if (original && isNameOfDeclarationWithCollidingName(original)) { - return ts.getGeneratedNameForNode(original); + function substitutePropertyAccessExpression(node) { + if (enabledSubstitutions & 1 && node.expression.kind === 96) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); } } return node; } - function isNameOfDeclarationWithCollidingName(node) { - var parent = node.parent; - switch (parent.kind) { - case 170: - case 222: - case 225: - case 219: - return parent.name === node - && resolver.isDeclarationWithCollidingName(parent); - } - return false; - } - function substituteExpression(node) { - switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 98: - return substituteThisKeyword(node); + function substituteElementAccessExpression(node) { + if (enabledSubstitutions & 1 && node.expression.kind === 96) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); + } } return node; } - function substituteExpressionIdentifier(node) { - if (enabledSubstitutions & 2) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - return ts.getGeneratedNameForNode(declaration.name); + function substituteCallExpression(node) { + var expression = node.expression; + if (ts.isSuperProperty(expression)) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + var argumentExpression = ts.isPropertyAccessExpression(expression) + ? substitutePropertyAccessExpression(expression) + : substituteElementAccessExpression(expression); + return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), undefined, [ + ts.createThis() + ].concat(node.arguments)); } } return node; } - function substituteThisKeyword(node) { - if (enabledSubstitutions & 1 - && enclosingFunction - && ts.getEmitFlags(enclosingFunction) & 256) { - return ts.createIdentifier("_this", node); + function isSuperContainer(node) { + var kind = node.kind; + return kind === 222 + || kind === 149 + || kind === 148 + || kind === 150 + || kind === 151; + } + function onEmitNode(emitContext, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + var savedCurrentSuperContainer = currentSuperContainer; + if (enabledSubstitutions & 1 && isSuperContainer(node)) { + currentSuperContainer = node; } - return node; + previousOnEmitNode(emitContext, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; + currentSuperContainer = savedCurrentSuperContainer; } - function getLocalName(node, allowComments, allowSourceMaps) { - return getDeclarationName(node, allowComments, allowSourceMaps, 262144); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); + } + return node; } - function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { - if (node.name && !ts.isGeneratedIdentifier(node.name)) { - var name_33 = ts.getMutableClone(node.name); - emitFlags |= ts.getEmitFlags(node.name); - if (!allowSourceMaps) { - emitFlags |= 1536; - } - if (!allowComments) { - emitFlags |= 49152; - } - if (emitFlags) { - ts.setEmitFlags(name_33, emitFlags); - } - return name_33; + function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { + if (flags & 4096) { + return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression]), "value", location); + } + else { + return ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression], location); } - return ts.getGeneratedNameForNode(node); } - function getClassMemberPrefix(node, member) { - var expression = getLocalName(node); - return ts.hasModifier(member, 32) ? expression : ts.createPropertyAccess(expression, "prototype"); + function getSuperContainerAsyncMethodFlags() { + return currentSuperContainer !== undefined + && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 | 4096); } - function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { - if (!constructor || !hasExtendsClause) { - return false; + } + ts.transformES2017 = transformES2017; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2016(context) { + var hoistVariableDeclaration = context.hoistVariableDeclaration; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - var parameter = ts.singleOrUndefined(constructor.parameters); - if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { - return false; + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if (node.transformFlags & 64) { + return visitorWorker(node); } - var statement = ts.firstOrUndefined(constructor.body.statements); - if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203) { - return false; + else if (node.transformFlags & 128) { + return ts.visitEachChild(node, visitor, context); } - var statementExpression = statement.expression; - if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175) { - return false; + else { + return node; } - var callTarget = statementExpression.expression; - if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96) { - return false; + } + function visitorWorker(node) { + switch (node.kind) { + case 188: + return visitBinaryExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } - var callArgument = ts.singleOrUndefined(statementExpression.arguments); - if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192) { - return false; + } + function visitBinaryExpression(node) { + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = ts.visitNode(node.right, visitor, ts.isExpression); + if (node.operatorToken.kind === 61) { + var target = void 0; + var value = void 0; + if (ts.isElementAccessExpression(left)) { + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, left.argumentExpression), left); + value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, left); + } + else if (ts.isPropertyAccessExpression(left)) { + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), left.name, left); + value = ts.createPropertyAccess(expressionTemp, left.name, left); + } + else { + target = left; + value = left; + } + return ts.createAssignment(target, ts.createMathPow(value, right, node), node); + } + else if (node.operatorToken.kind === 39) { + return ts.createMathPow(left, right, node); + } + else { + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } - var expression = callArgument.expression; - return ts.isIdentifier(expression) && expression === parameter.name; } } - ts.transformES2015 = transformES2015; + ts.transformES2016 = transformES2016; })(ts || (ts = {})); var ts; (function (ts) { - var OpCode; - (function (OpCode) { - OpCode[OpCode["Nop"] = 0] = "Nop"; - OpCode[OpCode["Statement"] = 1] = "Statement"; - OpCode[OpCode["Assign"] = 2] = "Assign"; - OpCode[OpCode["Break"] = 3] = "Break"; - OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; - OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; - OpCode[OpCode["Yield"] = 6] = "Yield"; - OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; - OpCode[OpCode["Return"] = 8] = "Return"; - OpCode[OpCode["Throw"] = 9] = "Throw"; - OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; - })(OpCode || (OpCode = {})); - var BlockAction; - (function (BlockAction) { - BlockAction[BlockAction["Open"] = 0] = "Open"; - BlockAction[BlockAction["Close"] = 1] = "Close"; - })(BlockAction || (BlockAction = {})); - var CodeBlockKind; - (function (CodeBlockKind) { - CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; - CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; - CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; - CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; - CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; - })(CodeBlockKind || (CodeBlockKind = {})); - var ExceptionBlockState; - (function (ExceptionBlockState) { - ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; - ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; - ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; - ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; - })(ExceptionBlockState || (ExceptionBlockState = {})); - var Instruction; - (function (Instruction) { - Instruction[Instruction["Next"] = 0] = "Next"; - Instruction[Instruction["Throw"] = 1] = "Throw"; - Instruction[Instruction["Return"] = 2] = "Return"; - Instruction[Instruction["Break"] = 3] = "Break"; - Instruction[Instruction["Yield"] = 4] = "Yield"; - Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; - Instruction[Instruction["Catch"] = 6] = "Catch"; - Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; - })(Instruction || (Instruction = {})); - var instructionNames = ts.createMap((_a = {}, - _a[2] = "return", - _a[3] = "break", - _a[4] = "yield", - _a[5] = "yield*", - _a[7] = "endfinally", - _a)); - function transformGenerators(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); + function transformES2015(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; var resolver = context.getEmitResolver(); var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; context.onSubstituteNode = onSubstituteNode; var currentSourceFile; - var renamedCatchVariables; - var renamedCatchVariableDeclarations; - var inGeneratorFunctionBody; - var inStatementContainingYield; - var blocks; - var blockOffsets; - var blockActions; - var blockStack; - var labelOffsets; - var labelExpressions; - var nextLabelId = 1; - var operations; - var operationArguments; - var operationLocations; - var state; - var blockIndex = 0; - var labelNumber = 0; - var labelNumbers; - var lastOperationWasAbrupt; - var lastOperationWasCompletion; - var clauses; - var statements; - var exceptionBlockStack; - var currentExceptionBlock; - var withBlockStack; + var currentText; + var currentParent; + var currentNode; + var enclosingVariableStatement; + var enclosingBlockScopeContainer; + var enclosingBlockScopeContainerParent; + var enclosingFunction; + var enclosingNonArrowFunction; + var enclosingNonAsyncFunctionBody; + var convertedLoopState; + var enabledSubstitutions; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (node.transformFlags & 4096) { - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; + currentSourceFile = node; + currentText = node.text; + return ts.visitNode(node, visitor, ts.isSourceFile); + } + function visitor(node) { + return saveStateAndInvoke(node, dispatcher); + } + function dispatcher(node) { + return convertedLoopState + ? visitorForConvertedLoopWorker(node) + : visitorWorker(node); + } + function saveStateAndInvoke(node, f) { + var savedEnclosingFunction = enclosingFunction; + var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; + var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; + var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; + var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; + var savedEnclosingVariableStatement = enclosingVariableStatement; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var savedConvertedLoopState = convertedLoopState; + if (ts.nodeStartsNewLexicalEnvironment(node)) { + convertedLoopState = undefined; } - return node; + onBeforeVisitNode(node); + var visited = f(node); + convertedLoopState = savedConvertedLoopState; + enclosingFunction = savedEnclosingFunction; + enclosingNonArrowFunction = savedEnclosingNonArrowFunction; + enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; + enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; + enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; + enclosingVariableStatement = savedEnclosingVariableStatement; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return visited; } - function visitor(node) { - var transformFlags = node.transformFlags; - if (inStatementContainingYield) { - return visitJavaScriptInStatementContainingYield(node); - } - else if (inGeneratorFunctionBody) { - return visitJavaScriptInGeneratorFunctionBody(node); - } - else if (transformFlags & 2048) { - return visitGenerator(node); + function shouldCheckNode(node) { + return (node.transformFlags & 256) !== 0 || + node.kind === 215 || + (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); + } + function visitorWorker(node) { + if (shouldCheckNode(node)) { + return visitJavaScript(node); } - else if (transformFlags & 4096) { + else if (node.transformFlags & 512) { return ts.visitEachChild(node, visitor, context); } else { return node; } } - function visitJavaScriptInStatementContainingYield(node) { + function visitorForConvertedLoopWorker(node) { + var result; + if (shouldCheckNode(node)) { + result = visitJavaScript(node); + } + else { + result = visitNodesInConvertedLoop(node); + } + return result; + } + function visitNodesInConvertedLoop(node) { switch (node.kind) { - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); + case 212: + return visitReturnStatement(node); + case 201: + return visitVariableStatement(node); case 214: return visitSwitchStatement(node); - case 215: - return visitLabeledStatement(node); + case 211: + case 210: + return visitBreakOrContinueStatement(node); + case 98: + return visitThisKeyword(node); + case 70: + return visitIdentifier(node); default: - return visitJavaScriptInGeneratorFunctionBody(node); + return ts.visitEachChild(node, visitor, context); } } - function visitJavaScriptInGeneratorFunctionBody(node) { + function visitJavaScript(node) { switch (node.kind) { + case 83: + return node; + case 222: + return visitClassDeclaration(node); + case 193: + return visitClassExpression(node); + case 143: + return visitParameter(node); case 221: return visitFunctionDeclaration(node); + case 181: + return visitArrowFunction(node); case 180: return visitFunctionExpression(node); - case 150: - case 151: - return visitAccessorDeclaration(node); - case 201: - return visitVariableStatement(node); + case 219: + return visitVariableDeclaration(node); + case 70: + return visitIdentifier(node); + case 220: + return visitVariableDeclarationList(node); + case 215: + return visitLabeledStatement(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); case 207: return visitForStatement(node); case 208: return visitForInStatement(node); - case 211: - return visitBreakStatement(node); - case 210: - return visitContinueStatement(node); - case 212: - return visitReturnStatement(node); - default: - if (node.transformFlags & 16777216) { - return visitJavaScriptContainingYield(node); - } - else if (node.transformFlags & (4096 | 33554432)) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } - } - } - function visitJavaScriptContainingYield(node) { - switch (node.kind) { - case 188: - return visitBinaryExpression(node); - case 189: - return visitConditionalExpression(node); - case 191: - return visitYieldExpression(node); - case 171: - return visitArrayLiteralExpression(node); + case 209: + return visitForOfStatement(node); + case 203: + return visitExpressionStatement(node); case 172: return visitObjectLiteralExpression(node); - case 174: - return visitElementAccessExpression(node); + case 252: + return visitCatchClause(node); + case 254: + return visitShorthandPropertyAssignment(node); + case 171: + return visitArrayLiteralExpression(node); case 175: return visitCallExpression(node); case 176: return visitNewExpression(node); - default: + case 179: + return visitParenthesizedExpression(node, true); + case 188: + return visitBinaryExpression(node, true); + case 12: + case 13: + case 14: + case 15: + return visitTemplateLiteral(node); + case 177: + return visitTaggedTemplateExpression(node); + case 190: + return visitTemplateExpression(node); + case 191: + return visitYieldExpression(node); + case 96: + return visitSuperKeyword(); + case 191: return ts.visitEachChild(node, visitor, context); - } - } - function visitGenerator(node) { - switch (node.kind) { - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); + case 148: + return visitMethodDeclaration(node); + case 256: + return visitSourceFileNode(node); + case 201: + return visitVariableStatement(node); default: ts.Debug.failBadSyntaxKind(node); return ts.visitEachChild(node, visitor, context); } } - function visitFunctionDeclaration(node) { - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - node = ts.setOriginalNode(ts.createFunctionDeclaration(undefined, undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + function onBeforeVisitNode(node) { + if (currentNode) { + if (ts.isBlockScope(currentNode, currentParent)) { + enclosingBlockScopeContainer = currentNode; + enclosingBlockScopeContainerParent = currentParent; + } + if (ts.isFunctionLike(currentNode)) { + enclosingFunction = currentNode; + if (currentNode.kind !== 181) { + enclosingNonArrowFunction = currentNode; + if (!(ts.getEmitFlags(currentNode) & 2097152)) { + enclosingNonAsyncFunctionBody = currentNode; + } + } + } + switch (currentNode.kind) { + case 201: + enclosingVariableStatement = currentNode; + break; + case 220: + case 219: + case 170: + case 168: + case 169: + break; + default: + enclosingVariableStatement = undefined; + } } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; + currentParent = currentNode; + currentNode = node; + } + function visitSwitchStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps |= 2; + var result = ts.visitEachChild(node, visitor, context); + convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; + return result; + } + function visitReturnStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + convertedLoopState.nonLocalJumps |= 8; + return ts.createReturn(ts.createObjectLiteral([ + ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression + ? ts.visitNode(node.expression, visitor, ts.isExpression) + : ts.createVoidZero()) + ])); + } + function visitThisKeyword(node) { + ts.Debug.assert(convertedLoopState !== undefined); + if (enclosingFunction && enclosingFunction.kind === 181) { + convertedLoopState.containsLexicalThis = true; + return node; } - if (inGeneratorFunctionBody) { - hoistFunctionDeclaration(node); - return undefined; + return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); + } + function visitIdentifier(node) { + if (!convertedLoopState) { + return node; } - else { + if (ts.isGeneratedIdentifier(node)) { return node; } + if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { + return node; + } + return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); } - function visitFunctionExpression(node) { - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - node = ts.setOriginalNode(ts.createFunctionExpression(undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + function visitBreakOrContinueStatement(node) { + if (convertedLoopState) { + var jump = node.kind === 211 ? 2 : 4; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + var labelMarker = void 0; + if (!node.label) { + if (node.kind === 211) { + convertedLoopState.nonLocalJumps |= 2; + labelMarker = "break"; + } + else { + convertedLoopState.nonLocalJumps |= 4; + labelMarker = "continue"; + } + } + else { + if (node.kind === 211) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); + } + } + var returnExpression = ts.createLiteral(labelMarker); + if (convertedLoopState.loopOutParameters.length) { + var outParams = convertedLoopState.loopOutParameters; + var expr = void 0; + for (var i = 0; i < outParams.length; i++) { + var copyExpr = copyOutParameter(outParams[i], 1); + if (i === 0) { + expr = copyExpr; + } + else { + expr = ts.createBinary(expr, 25, copyExpr); + } + } + returnExpression = ts.createBinary(expr, 25, returnExpression); + } + return ts.createReturn(returnExpression); + } } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; + return ts.visitEachChild(node, visitor, context); + } + function visitClassDeclaration(node) { + var modifierFlags = ts.getModifierFlags(node); + var isExported = modifierFlags & 1; + var isDefault = modifierFlags & 512; + var modifiers = isExported && !isDefault + ? ts.filter(node.modifiers, isExportModifier) + : undefined; + var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(getDeclarationName(node, true), undefined, transformClassLikeDeclarationToExpression(node)) + ]), node); + ts.setOriginalNode(statement, node); + ts.startOnNewLine(statement); + if (isExported && isDefault) { + var statements = [statement]; + statements.push(ts.createExportAssignment(undefined, undefined, false, getDeclarationName(node, false))); + return statements; } - return node; + return statement; } - function visitAccessorDeclaration(node) { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - return node; + function isExportModifier(node) { + return node.kind === 83; } - function transformGeneratorFunctionBody(body) { + function visitClassExpression(node) { + return transformClassLikeDeclarationToExpression(node); + } + function transformClassLikeDeclarationToExpression(node) { + if (node.name) { + enableSubstitutionsForBlockScopedBindings(); + } + var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); + var classFunction = ts.createFunctionExpression(undefined, undefined, undefined, undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], undefined, transformClassBody(node, extendsClauseElement)); + if (ts.getEmitFlags(node) & 524288) { + ts.setEmitFlags(classFunction, 524288); + } + var inner = ts.createPartiallyEmittedExpression(classFunction); + inner.end = node.end; + ts.setEmitFlags(inner, 49152); + var outer = ts.createPartiallyEmittedExpression(inner); + outer.end = ts.skipTrivia(currentText, node.pos); + ts.setEmitFlags(outer, 49152); + return ts.createParen(ts.createCall(outer, undefined, extendsClauseElement + ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] + : [])); + } + function transformClassBody(node, extendsClauseElement) { var statements = []; - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - var savedBlocks = blocks; - var savedBlockOffsets = blockOffsets; - var savedBlockActions = blockActions; - var savedBlockStack = blockStack; - var savedLabelOffsets = labelOffsets; - var savedLabelExpressions = labelExpressions; - var savedNextLabelId = nextLabelId; - var savedOperations = operations; - var savedOperationArguments = operationArguments; - var savedOperationLocations = operationLocations; - var savedState = state; - inGeneratorFunctionBody = true; - inStatementContainingYield = false; - blocks = undefined; - blockOffsets = undefined; - blockActions = undefined; - blockStack = undefined; - labelOffsets = undefined; - labelExpressions = undefined; - nextLabelId = 1; - operations = undefined; - operationArguments = undefined; - operationLocations = undefined; - state = ts.createTempVariable(undefined); startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); - transformAndEmitStatements(body.statements, statementOffset); - var buildResult = build(); + addExtendsHelperIfNeeded(statements, node, extendsClauseElement); + addConstructor(statements, node, extendsClauseElement); + addClassMembers(statements, node); + var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17); + var localName = getLocalName(node); + var outer = ts.createPartiallyEmittedExpression(localName); + outer.end = closingBraceLocation.end; + ts.setEmitFlags(outer, 49152); + var statement = ts.createReturn(outer); + statement.pos = closingBraceLocation.pos; + ts.setEmitFlags(statement, 49152 | 12288); + statements.push(statement); ts.addRange(statements, endLexicalEnvironment()); - statements.push(ts.createReturn(buildResult)); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - blocks = savedBlocks; - blockOffsets = savedBlockOffsets; - blockActions = savedBlockActions; - blockStack = savedBlockStack; - labelOffsets = savedLabelOffsets; - labelExpressions = savedLabelExpressions; - nextLabelId = savedNextLabelId; - operations = savedOperations; - operationArguments = savedOperationArguments; - operationLocations = savedOperationLocations; - state = savedState; - return ts.createBlock(statements, body, body.multiLine); + var block = ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); + ts.setEmitFlags(block, 49152); + return block; } - function visitVariableStatement(node) { - if (node.transformFlags & 16777216) { - transformAndEmitVariableDeclarationList(node.declarationList); - return undefined; - } - else { - if (ts.getEmitFlags(node) & 8388608) { - return node; - } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length === 0) { - return undefined; - } - return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); + function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { + if (extendsClauseElement) { + statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), extendsClauseElement)); } } - function visitBinaryExpression(node) { - switch (ts.getExpressionAssociativity(node)) { - case 0: - return visitLeftAssociativeBinaryExpression(node); - case 1: - return visitRightAssociativeBinaryExpression(node); - default: - ts.Debug.fail("Unknown associativity."); + function addConstructor(statements, node, extendsClauseElement) { + var constructor = ts.getFirstConstructorWithBody(node); + var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); + var constructorFunction = ts.createFunctionDeclaration(undefined, undefined, undefined, getDeclarationName(node), undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), constructor || node); + if (extendsClauseElement) { + ts.setEmitFlags(constructorFunction, 256); } + statements.push(constructorFunction); } - function isCompoundAssignment(kind) { - return kind >= 58 - && kind <= 69; - } - function getOperatorForCompoundAssignment(kind) { - switch (kind) { - case 58: return 36; - case 59: return 37; - case 60: return 38; - case 61: return 39; - case 62: return 40; - case 63: return 41; - case 64: return 44; - case 65: return 45; - case 66: return 46; - case 67: return 47; - case 68: return 48; - case 69: return 49; + function transformConstructorParameters(constructor, hasSynthesizedSuper) { + if (constructor && !hasSynthesizedSuper) { + return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); } + return []; } - function visitRightAssociativeBinaryExpression(node) { - var left = node.left, right = node.right; - if (containsYield(right)) { - var target = void 0; - switch (left.kind) { - case 173: - target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); - break; - case 174: - target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); - break; - default: - target = ts.visitNode(left, visitor, ts.isExpression); - break; - } - var operator = node.operatorToken.kind; - if (isCompoundAssignment(operator)) { - return ts.createBinary(target, 57, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); - } - else { - return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); - } + function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { + var statements = []; + startLexicalEnvironment(); + var statementOffset = -1; + if (hasSynthesizedSuper) { + statementOffset = 1; + } + else if (constructor) { + statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, false, visitor); + } + if (constructor) { + addDefaultValueAssignmentsIfNeeded(statements, constructor); + addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); + ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); + } + var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); + if (superCaptureStatus === 1 || superCaptureStatus === 2) { + statementOffset++; + } + if (constructor) { + var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); + ts.addRange(statements, body); } - return ts.visitEachChild(node, visitor, context); + if (extendsClauseElement + && superCaptureStatus !== 2 + && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { + statements.push(ts.createReturn(ts.createIdentifier("_this"))); + } + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : node, true); + if (!constructor) { + ts.setEmitFlags(block, 49152); + } + return block; } - function visitLeftAssociativeBinaryExpression(node) { - if (containsYield(node.right)) { - if (ts.isLogicalOperator(node.operatorToken.kind)) { - return visitLogicalBinaryExpression(node); + function isSufficientlyCoveredByReturnStatements(statement) { + if (statement.kind === 212) { + return true; + } + else if (statement.kind === 204) { + var ifStatement = statement; + if (ifStatement.elseStatement) { + return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && + isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); } - else if (node.operatorToken.kind === 25) { - return visitCommaExpression(node); + } + else if (statement.kind === 200) { + var lastStatement = ts.lastOrUndefined(statement.statements); + if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { + return true; } - var clone_6 = ts.getMutableClone(node); - clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); - clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); - return clone_6; } - return ts.visitEachChild(node, visitor, context); + return false; } - function visitLogicalBinaryExpression(node) { - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), node.left); - if (node.operatorToken.kind === 52) { - emitBreakWhenFalse(resultLabel, resultLocal, node.left); + function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { + if (!hasExtendsClause) { + if (ctor) { + addCaptureThisForNodeIfNeeded(statements, ctor); + } + return 0; } - else { - emitBreakWhenTrue(resultLabel, resultLocal, node.left); + if (!ctor) { + statements.push(ts.createReturn(createDefaultSuperCallOrThis())); + return 2; } - emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), node.right); - markLabel(resultLabel); - return resultLocal; - } - function visitCommaExpression(node) { - var pendingExpressions = []; - visit(node.left); - visit(node.right); - return ts.inlineExpressions(pendingExpressions); - function visit(node) { - if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25) { - visit(node.left); - visit(node.right); - } - else { - if (containsYield(node) && pendingExpressions.length > 0) { - emitWorker(1, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); - pendingExpressions = []; - } - pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); + if (hasSynthesizedSuper) { + captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); + enableSubstitutionsForCapturedThis(); + return 1; + } + var firstStatement; + var superCallExpression; + var ctorStatements = ctor.body.statements; + if (statementOffset < ctorStatements.length) { + firstStatement = ctorStatements[statementOffset]; + if (firstStatement.kind === 203 && ts.isSuperCall(firstStatement.expression)) { + var superCall = firstStatement.expression; + superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); } } - } - function visitConditionalExpression(node) { - if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { - var whenFalseLabel = defineLabel(); - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), node.condition); - emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), node.whenTrue); - emitBreak(resultLabel); - markLabel(whenFalseLabel); - emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), node.whenFalse); - markLabel(resultLabel); - return resultLocal; + if (superCallExpression && statementOffset === ctorStatements.length - 1) { + statements.push(ts.createReturn(superCallExpression)); + return 2; } - return ts.visitEachChild(node, visitor, context); + captureThisForNode(statements, ctor, superCallExpression, firstStatement); + if (superCallExpression) { + return 1; + } + return 0; } - function visitYieldExpression(node) { - var resumeLabel = defineLabel(); - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - if (node.asteriskToken) { - emitYieldStar(expression, node); + function createDefaultSuperCallOrThis() { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128); + var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); + return ts.createLogicalOr(superCall, actualThis); + } + function visitParameter(node) { + if (node.dotDotDotToken) { + return undefined; + } + else if (ts.isBindingPattern(node.name)) { + return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), undefined, node), node); + } + else if (node.initializer) { + return ts.setOriginalNode(ts.createParameter(node.name, undefined, node), node); } else { - emitYield(expression, node); + return node; } - markLabel(resumeLabel); - return createGeneratorResume(); } - function visitArrayLiteralExpression(node) { - return visitElements(node.elements, node.multiLine); + function shouldAddDefaultValueAssignments(node) { + return (node.transformFlags & 262144) !== 0; } - function visitElements(elements, _multiLine) { - var numInitialElements = countInitialNodesWithoutYield(elements); - var temp = declareLocal(); - var hasAssignedTemp = false; - if (numInitialElements > 0) { - emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); - hasAssignedTemp = true; + function addDefaultValueAssignmentsIfNeeded(statements, node) { + if (!shouldAddDefaultValueAssignments(node)) { + return; } - var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); - return hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions); - function reduceElement(expressions, element) { - if (containsYield(element) && expressions.length > 0) { - emitAssignment(temp, hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions)); - hasAssignedTemp = true; - expressions = []; + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + var name_37 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; + if (dotDotDotToken) { + continue; } - expressions.push(ts.visitNode(element, visitor, ts.isExpression)); - return expressions; - } - } - function visitObjectLiteralExpression(node) { - var properties = node.properties; - var multiLine = node.multiLine; - var numInitialProperties = countInitialNodesWithoutYield(properties); - var temp = declareLocal(); - emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, multiLine)); - var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); - expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); - function reduceProperty(expressions, property) { - if (containsYield(property) && expressions.length > 0) { - emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); - expressions = []; + if (ts.isBindingPattern(name_37)) { + addDefaultValueAssignmentForBindingPattern(statements, parameter, name_37, initializer); } - var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); - var visited = ts.visitNode(expression, visitor, ts.isExpression); - if (visited) { - if (multiLine) { - visited.startsOnNewLine = true; - } - expressions.push(visited); + else if (initializer) { + addDefaultValueAssignmentForInitializer(statements, parameter, name_37, initializer); } - return expressions; } } - function visitElementAccessExpression(node) { - if (containsYield(node.argumentExpression)) { - var clone_7 = ts.getMutableClone(node); - clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); - clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); - return clone_7; - } - return ts.visitEachChild(node, visitor, context); - } - function visitCallExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, true), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), node), node); - } - return ts.visitEachChild(node, visitor, context); - } - function visitNewExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), undefined, [], node), node); + function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { + var temp = ts.getGeneratedNameForNode(parameter); + if (name.elements.length > 0) { + statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608)); } - return ts.visitEachChild(node, visitor, context); - } - function transformAndEmitStatements(statements, start) { - if (start === void 0) { start = 0; } - var numStatements = statements.length; - for (var i = start; i < numStatements; i++) { - transformAndEmitStatement(statements[i]); + else if (initializer) { + statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608)); } } - function transformAndEmitEmbeddedStatement(node) { - if (ts.isBlock(node)) { - transformAndEmitStatements(node.statements); - } - else { - transformAndEmitStatement(node); - } + function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { + initializer = ts.visitNode(initializer, visitor, ts.isExpression); + var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ + ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536), ts.setEmitFlags(initializer, 1536 | ts.getEmitFlags(initializer)), parameter)) + ], parameter), 32 | 1024 | 12288), undefined, parameter); + statement.startsOnNewLine = true; + ts.setEmitFlags(statement, 12288 | 1024 | 8388608); + statements.push(statement); } - function transformAndEmitStatement(node) { - var savedInStatementContainingYield = inStatementContainingYield; - if (!inStatementContainingYield) { - inStatementContainingYield = containsYield(node); - } - transformAndEmitStatementWorker(node); - inStatementContainingYield = savedInStatementContainingYield; + function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { + return node && node.dotDotDotToken && node.name.kind === 70 && !inConstructorWithSynthesizedSuper; } - function transformAndEmitStatementWorker(node) { - switch (node.kind) { - case 200: - return transformAndEmitBlock(node); - case 203: - return transformAndEmitExpressionStatement(node); - case 204: - return transformAndEmitIfStatement(node); - case 205: - return transformAndEmitDoStatement(node); - case 206: - return transformAndEmitWhileStatement(node); - case 207: - return transformAndEmitForStatement(node); - case 208: - return transformAndEmitForInStatement(node); - case 210: - return transformAndEmitContinueStatement(node); - case 211: - return transformAndEmitBreakStatement(node); - case 212: - return transformAndEmitReturnStatement(node); - case 213: - return transformAndEmitWithStatement(node); - case 214: - return transformAndEmitSwitchStatement(node); - case 215: - return transformAndEmitLabeledStatement(node); - case 216: - return transformAndEmitThrowStatement(node); - case 217: - return transformAndEmitTryStatement(node); - default: - return emitStatement(ts.visitNode(node, visitor, ts.isStatement, true)); + function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { + var parameter = ts.lastOrUndefined(node.parameters); + if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { + return; } + var declarationName = ts.getMutableClone(parameter.name); + ts.setEmitFlags(declarationName, 1536); + var expressionName = ts.getSynthesizedClone(parameter.name); + var restIndex = node.parameters.length - 1; + var temp = ts.createLoopVariable(); + statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(declarationName, undefined, ts.createArrayLiteral([])) + ]), parameter), 8388608)); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(temp, undefined, ts.createLiteral(restIndex)) + ], parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), parameter), ts.createPostfixIncrement(temp, parameter), ts.createBlock([ + ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), parameter)) + ])); + ts.setEmitFlags(forStatement, 8388608); + ts.startOnNewLine(forStatement); + statements.push(forStatement); } - function transformAndEmitBlock(node) { - if (containsYield(node)) { - transformAndEmitStatements(node.statements); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + function addCaptureThisForNodeIfNeeded(statements, node) { + if (node.transformFlags & 65536 && node.kind !== 181) { + captureThisForNode(statements, node, ts.createThis()); } } - function transformAndEmitExpressionStatement(node) { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + function captureThisForNode(statements, node, initializer, originalStatement) { + enableSubstitutionsForCapturedThis(); + var captureThisStatement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("_this", undefined, initializer) + ]), originalStatement); + ts.setEmitFlags(captureThisStatement, 49152 | 8388608); + ts.setSourceMapRange(captureThisStatement, node); + statements.push(captureThisStatement); } - function transformAndEmitVariableDeclarationList(node) { - for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - var variables = ts.getInitializedVariables(node); - var numVariables = variables.length; - var variablesWritten = 0; - var pendingExpressions = []; - while (variablesWritten < numVariables) { - for (var i = variablesWritten; i < numVariables; i++) { - var variable = variables[i]; - if (containsYield(variable.initializer) && pendingExpressions.length > 0) { + function addClassMembers(statements, node) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + switch (member.kind) { + case 199: + statements.push(transformSemicolonClassElementToStatement(member)); + break; + case 148: + statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); + break; + case 150: + case 151: + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); + } + break; + case 149: + break; + default: + ts.Debug.failBadSyntaxKind(node); break; - } - pendingExpressions.push(transformInitializedVariable(variable)); - } - if (pendingExpressions.length) { - emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); - variablesWritten += pendingExpressions.length; - pendingExpressions = []; } } - return undefined; } - function transformInitializedVariable(node) { - return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + function transformSemicolonClassElementToStatement(member) { + return ts.createEmptyStatement(member); } - function transformAndEmitIfStatement(node) { - if (containsYield(node)) { - if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { - var endLabel = defineLabel(); - var elseLabel = node.elseStatement ? defineLabel() : undefined; - emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - emitBreak(endLabel); - markLabel(elseLabel); - transformAndEmitEmbeddedStatement(node.elseStatement); - } - markLabel(endLabel); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } + function transformClassMethodDeclarationToStatement(receiver, member) { + var commentRange = ts.getCommentRange(member); + var sourceMapRange = ts.getSourceMapRange(member); + var func = transformFunctionLikeToExpression(member, member, undefined); + ts.setEmitFlags(func, 49152); + ts.setSourceMapRange(func, sourceMapRange); + var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), member.name), func), member); + ts.setOriginalNode(statement, member); + ts.setCommentRange(statement, commentRange); + ts.setEmitFlags(statement, 1536); + return statement; } - function transformAndEmitDoStatement(node) { - if (containsYield(node)) { - var conditionLabel = defineLabel(); - var loopLabel = defineLabel(); - beginLoopBlock(conditionLabel); - markLabel(loopLabel); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(conditionLabel); - emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - endLoopBlock(); + function transformAccessorsToStatement(receiver, accessors) { + var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, false), ts.getSourceMapRange(accessors.firstAccessor)); + ts.setEmitFlags(statement, 49152); + return statement; + } + function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { + var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + var target = ts.getMutableClone(receiver); + ts.setEmitFlags(target, 49152 | 1024); + ts.setSourceMapRange(target, firstAccessor.name); + var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); + ts.setEmitFlags(propertyName, 49152 | 512); + ts.setSourceMapRange(propertyName, firstAccessor.name); + var properties = []; + if (getAccessor) { + var getterFunction = transformFunctionLikeToExpression(getAccessor, undefined, undefined); + ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); + ts.setEmitFlags(getterFunction, 16384); + var getter = ts.createPropertyAssignment("get", getterFunction); + ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); + properties.push(getter); } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + if (setAccessor) { + var setterFunction = transformFunctionLikeToExpression(setAccessor, undefined, undefined); + ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); + ts.setEmitFlags(setterFunction, 16384); + var setter = ts.createPropertyAssignment("set", setterFunction); + ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); + properties.push(setter); + } + properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); + var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ + target, + propertyName, + ts.createObjectLiteral(properties, undefined, true) + ]); + if (startsOnNewLine) { + call.startsOnNewLine = true; } + return call; } - function visitDoStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + function visitArrowFunction(node) { + if (node.transformFlags & 32768) { + enableSubstitutionsForCapturedThis(); } - else { - return ts.visitEachChild(node, visitor, context); + var func = transformFunctionLikeToExpression(node, node, undefined); + ts.setEmitFlags(func, 256); + return func; + } + function visitFunctionExpression(node) { + return transformFunctionLikeToExpression(node, node, node.name); + } + function visitFunctionDeclaration(node) { + return ts.setOriginalNode(ts.createFunctionDeclaration(undefined, node.modifiers, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node), node); + } + function transformFunctionLikeToExpression(node, location, name) { + var savedContainingNonArrowFunction = enclosingNonArrowFunction; + if (node.kind !== 181) { + enclosingNonArrowFunction = node; } + var expression = ts.setOriginalNode(ts.createFunctionExpression(undefined, node.asteriskToken, name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, saveStateAndInvoke(node, transformFunctionBody), location), node); + enclosingNonArrowFunction = savedContainingNonArrowFunction; + return expression; } - function transformAndEmitWhileStatement(node) { - if (containsYield(node)) { - var loopLabel = defineLabel(); - var endLabel = beginLoopBlock(loopLabel); - markLabel(loopLabel); - emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.statement); - emitBreak(loopLabel); - endLoopBlock(); + function transformFunctionBody(node) { + var multiLine = false; + var singleLine = false; + var statementsLocation; + var closeBraceLocation; + var statements = []; + var body = node.body; + var statementOffset; + startLexicalEnvironment(); + if (ts.isBlock(body)) { + statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + addCaptureThisForNodeIfNeeded(statements, node); + addDefaultValueAssignmentsIfNeeded(statements, node); + addRestParameterIfNeeded(statements, node, false); + if (!multiLine && statements.length > 0) { + multiLine = true; } - } - function visitWhileStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + if (ts.isBlock(body)) { + statementsLocation = body.statements; + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); + if (!multiLine && body.multiLine) { + multiLine = true; + } } else { - return ts.visitEachChild(node, visitor, context); - } - } - function transformAndEmitForStatement(node) { - if (containsYield(node)) { - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - if (node.initializer) { - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - transformAndEmitVariableDeclarationList(initializer); + ts.Debug.assert(node.kind === 181); + statementsLocation = ts.moveRangeEnd(body, -1); + var equalsGreaterThanToken = node.equalsGreaterThanToken; + if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { + if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { + singleLine = true; } else { - emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), initializer)); + multiLine = true; } } - markLabel(conditionLabel); - if (node.condition) { - emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); - } - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - if (node.incrementor) { - emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), node.incrementor)); - } - emitBreak(conditionLabel); - endLoopBlock(); + var expression = ts.visitNode(body, visitor, ts.isExpression); + var returnStatement = ts.createReturn(expression, body); + ts.setEmitFlags(returnStatement, 12288 | 1024 | 32768); + statements.push(returnStatement); + closeBraceLocation = body; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + var lexicalEnvironment = endLexicalEnvironment(); + ts.addRange(statements, lexicalEnvironment); + if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { + multiLine = true; } - } - function visitForStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); + var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); + if (!multiLine && singleLine) { + ts.setEmitFlags(block, 32); } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - var variables = ts.getInitializedVariables(initializer); - node = ts.updateFor(node, variables.length > 0 - ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) - : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, true), ts.visitNode(node.incrementor, visitor, ts.isExpression, true), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); + if (closeBraceLocation) { + ts.setTokenSourceMapRange(block, 17, closeBraceLocation); } - else { - node = ts.visitEachChild(node, visitor, context); + ts.setOriginalNode(block, node.body); + return block; + } + function visitExpressionStatement(node) { + switch (node.expression.kind) { + case 179: + return ts.updateStatement(node, visitParenthesizedExpression(node.expression, false)); + case 188: + return ts.updateStatement(node, visitBinaryExpression(node.expression, false)); } - if (inStatementContainingYield) { - endLoopBlock(); + return ts.visitEachChild(node, visitor, context); + } + function visitParenthesizedExpression(node, needsDestructuringValue) { + if (needsDestructuringValue) { + switch (node.expression.kind) { + case 179: + return ts.createParen(visitParenthesizedExpression(node.expression, true), node); + case 188: + return ts.createParen(visitBinaryExpression(node.expression, true), node); + } } - return node; + return ts.visitEachChild(node, visitor, context); } - function transformAndEmitForInStatement(node) { - if (containsYield(node)) { - var keysArray = declareLocal(); - var key = declareLocal(); - var keysIndex = ts.createLoopVariable(); - var initializer = node.initializer; - hoistVariableDeclaration(keysIndex); - emitAssignment(keysArray, ts.createArrayLiteral()); - emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), undefined, [key])))); - emitAssignment(keysIndex, ts.createLiteral(0)); - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - markLabel(conditionLabel); - emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); - var variable = void 0; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable_1 = _a[_i]; - hoistVariableDeclaration(variable_1.name); + function visitBinaryExpression(node, needsDestructuringValue) { + ts.Debug.assert(ts.isDestructuringAssignment(node)); + return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); + } + function visitVariableStatement(node) { + if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3) == 0) { + var assignments = void 0; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); + if (decl.initializer) { + var assignment = void 0; + if (ts.isBindingPattern(decl.name)) { + assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, undefined, visitor); + } + else { + assignment = ts.createBinary(decl.name, 57, ts.visitNode(decl.initializer, visitor, ts.isExpression)); + } + (assignments || (assignments = [])).push(assignment); } - variable = ts.getSynthesizedClone(initializer.declarations[0].name); + } + if (assignments) { + return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25, acc); }), node); } else { - variable = ts.visitNode(initializer, visitor, ts.isExpression); - ts.Debug.assert(ts.isLeftHandSideExpression(variable)); + return undefined; } - emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } + return ts.visitEachChild(node, visitor, context); } - function visitForInStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); - } - else { - node = ts.visitEachChild(node, visitor, context); + function visitVariableDeclarationList(node) { + if (node.flags & 3) { + enableSubstitutionsForBlockScopedBindings(); } - if (inStatementContainingYield) { - endLoopBlock(); + var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 + ? visitVariableDeclarationInLetDeclarationList + : visitVariableDeclaration)); + var declarationList = ts.createVariableDeclarationList(declarations, node); + ts.setOriginalNode(declarationList, node); + ts.setCommentRange(declarationList, node); + if (node.transformFlags & 8388608 + && (ts.isBindingPattern(node.declarations[0].name) + || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { + var firstDeclaration = ts.firstOrUndefined(declarations); + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); } - return node; + return declarationList; } - function transformAndEmitContinueStatement(node) { - var label = findContinueTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); - emitBreak(label, node); + function shouldEmitExplicitInitializerForLetDeclaration(node) { + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 131072; + var isDeclaredInLoop = flags & 262144; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) + || (isCapturedInFunction + && isDeclaredInLoop + && ts.isBlock(enclosingBlockScopeContainer) + && ts.isIterationStatement(enclosingBlockScopeContainerParent, false)); + var emitExplicitInitializer = !emittedAsTopLevel + && enclosingBlockScopeContainer.kind !== 208 + && enclosingBlockScopeContainer.kind !== 209 + && (!resolver.isDeclarationWithCollidingName(node) + || (isDeclaredInLoop + && !isCapturedInFunction + && !ts.isIterationStatement(enclosingBlockScopeContainer, false))); + return emitExplicitInitializer; } - function visitContinueStatement(node) { - if (inStatementContainingYield) { - var label = findContinueTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, node); - } + function visitVariableDeclarationInLetDeclarationList(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return visitVariableDeclaration(node); + } + if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { + var clone_5 = ts.getMutableClone(node); + clone_5.initializer = ts.createVoidZero(); + return clone_5; } return ts.visitEachChild(node, visitor, context); } - function transformAndEmitBreakStatement(node) { - var label = findBreakTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); - emitBreak(label, node); - } - function visitBreakStatement(node) { - if (inStatementContainingYield) { - var label = findBreakTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, node); - } + function visitVariableDeclaration(node) { + if (ts.isBindingPattern(node.name)) { + var recordTempVariablesInLine = !enclosingVariableStatement + || !ts.hasModifier(enclosingVariableStatement, 1); + return ts.flattenVariableDestructuring(node, undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); } return ts.visitEachChild(node, visitor, context); } - function transformAndEmitReturnStatement(node) { - emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); - } - function visitReturnStatement(node) { - return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); - } - function transformAndEmitWithStatement(node) { - if (containsYield(node)) { - beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); - transformAndEmitEmbeddedStatement(node.statement); - endWithBlock(); + function visitLabeledStatement(node) { + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = ts.createMap(); + } + convertedLoopState.labels[node.label.text] = node.label.text; + } + var result; + if (ts.isIterationStatement(node.statement, false) && shouldConvertIterationStatementBody(node.statement)) { + result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + result = ts.visitEachChild(node, visitor, context); } + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; + } + return result; } - function transformAndEmitSwitchStatement(node) { - if (containsYield(node.caseBlock)) { - var caseBlock = node.caseBlock; - var numClauses = caseBlock.clauses.length; - var endLabel = beginSwitchBlock(); - var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); - var clauseLabels = []; - var defaultClauseIndex = -1; - for (var i = 0; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - clauseLabels.push(defineLabel()); - if (clause.kind === 250 && defaultClauseIndex === -1) { - defaultClauseIndex = i; - } - } - var clausesWritten = 0; - var pendingClauses = []; - while (clausesWritten < numClauses) { - var defaultClausesSkipped = 0; - for (var i = clausesWritten; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - if (clause.kind === 249) { - var caseClause = clause; - if (containsYield(caseClause.expression) && pendingClauses.length > 0) { - break; - } - pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ - createInlineBreak(clauseLabels[i], caseClause.expression) - ])); - } - else { - defaultClausesSkipped++; - } - } - if (pendingClauses.length) { - emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); - clausesWritten += pendingClauses.length; - pendingClauses = []; - } - if (defaultClausesSkipped > 0) { - clausesWritten += defaultClausesSkipped; - defaultClausesSkipped = 0; - } + function visitDoStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitWhileStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitForStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitForInStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitForOfStatement(node) { + return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + } + function convertForOfToFor(node, convertedLoopBodyStatements) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var initializer = node.initializer; + var statements = []; + var counter = ts.createLoopVariable(); + var rhsReference = expression.kind === 70 + ? ts.createUniqueName(expression.text) + : ts.createTempVariable(undefined); + if (ts.isVariableDeclarationList(initializer)) { + if (initializer.flags & 3) { + enableSubstitutionsForBlockScopedBindings(); } - if (defaultClauseIndex >= 0) { - emitBreak(clauseLabels[defaultClauseIndex]); + var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); + if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { + var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); + var declarationList = ts.createVariableDeclarationList(declarations, initializer); + ts.setOriginalNode(declarationList, initializer); + var firstDeclaration = declarations[0]; + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + statements.push(ts.createVariableStatement(undefined, declarationList)); } else { - emitBreak(endLabel); + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(undefined), undefined, ts.createElementAccess(rhsReference, counter)) + ], ts.moveRangePos(initializer, -1)), ts.moveRangeEnd(initializer, -1))); } - for (var i = 0; i < numClauses; i++) { - markLabel(clauseLabels[i]); - transformAndEmitStatements(caseBlock.clauses[i].statements); + } + else { + var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); + if (ts.isDestructuringAssignment(assignment)) { + statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, false, hoistVariableDeclaration, visitor))); } - endSwitchBlock(); + else { + assignment.end = initializer.end; + statements.push(ts.createStatement(assignment, ts.moveRangeEnd(initializer, -1))); + } + } + var bodyLocation; + var statementsLocation; + if (convertedLoopBodyStatements) { + ts.addRange(statements, convertedLoopBodyStatements); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + var statement = ts.visitNode(node.statement, visitor, ts.isStatement); + if (ts.isBlock(statement)) { + ts.addRange(statements, statement.statements); + bodyLocation = statement; + statementsLocation = statement.statements; + } + else { + statements.push(statement); + } } + ts.setEmitFlags(expression, 1536 | ts.getEmitFlags(expression)); + var body = ts.createBlock(ts.createNodeArray(statements, statementsLocation), bodyLocation); + ts.setEmitFlags(body, 1536 | 12288); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(counter, undefined, ts.createLiteral(0), ts.moveRangePos(node.expression, -1)), + ts.createVariableDeclaration(rhsReference, undefined, expression, node.expression) + ], node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), node.expression), ts.createPostfixIncrement(counter, node.expression), body, node); + ts.setEmitFlags(forStatement, 8192); + return forStatement; } - function visitSwitchStatement(node) { - if (inStatementContainingYield) { - beginScriptSwitchBlock(); + function visitObjectLiteralExpression(node) { + var properties = node.properties; + var numProperties = properties.length; + var numInitialProperties = numProperties; + for (var i = 0; i < numProperties; i++) { + var property = properties[i]; + if (property.transformFlags & 16777216 + || property.name.kind === 141) { + numInitialProperties = i; + break; + } } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endSwitchBlock(); + ts.Debug.assert(numInitialProperties !== numProperties); + var temp = ts.createTempVariable(hoistVariableDeclaration); + var expressions = []; + var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, node.multiLine), 524288)); + if (node.multiLine) { + assignment.startsOnNewLine = true; } - return node; + expressions.push(assignment); + addObjectLiteralMembers(expressions, node, temp, numInitialProperties); + expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); } - function transformAndEmitLabeledStatement(node) { - if (containsYield(node)) { - beginLabeledBlock(node.label.text); - transformAndEmitEmbeddedStatement(node.statement); - endLabeledBlock(); + function shouldConvertIterationStatementBody(node) { + return (resolver.getNodeCheckFlags(node) & 65536) !== 0; + } + function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + visit(node.name); + function visit(node) { + if (node.kind === 70) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + visit(element.name); + } + } + } } } - function visitLabeledStatement(node) { - if (inStatementContainingYield) { - beginScriptLabeledBlock(node.label.text); + function convertIterationStatementBodyIfNecessary(node, convert) { + if (!shouldConvertIterationStatementBody(node)) { + var saveAllowedNonLabeledJumps = void 0; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 | 4; + } + var result = convert ? convert(node, undefined) : ts.visitEachChild(node, visitor, context); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + return result; } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endLabeledBlock(); + var functionName = ts.createUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 207: + case 208: + case 209: + var initializer = node.initializer; + if (initializer && initializer.kind === 220) { + loopInitializer = initializer; + } + break; } - return node; - } - function transformAndEmitThrowStatement(node) { - emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), node); - } - function transformAndEmitTryStatement(node) { - if (containsYield(node)) { - beginExceptionBlock(); - transformAndEmitEmbeddedStatement(node.tryBlock); - if (node.catchClause) { - beginCatchBlock(node.catchClause.variableDeclaration); - transformAndEmitEmbeddedStatement(node.catchClause.block); + var loopParameters = []; + var loopOutParameters = []; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3)) { + for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); } - if (node.finallyBlock) { - beginFinallyBlock(); - transformAndEmitEmbeddedStatement(node.finallyBlock); + } + var outerConvertedLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (outerConvertedLoopState) { + if (outerConvertedLoopState.argumentsName) { + convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; } - endExceptionBlock(); + if (outerConvertedLoopState.thisName) { + convertedLoopState.thisName = outerConvertedLoopState.thisName; + } + if (outerConvertedLoopState.hoistedLocalVariables) { + convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; + } + } + var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); + var currentState = convertedLoopState; + convertedLoopState = outerConvertedLoopState; + if (loopOutParameters.length) { + var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; + copyOutParameters(loopOutParameters, 1, statements_3); + loopBody = ts.createBlock(statements_3, undefined, true); + } + if (!ts.isBlock(loopBody)) { + loopBody = ts.createBlock([loopBody], undefined, true); + } + var isAsyncBlockContainingAwait = enclosingNonArrowFunction + && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152) !== 0 + && (node.statement.transformFlags & 16777216) !== 0; + var loopBodyFlags = 0; + if (currentState.containsLexicalThis) { + loopBodyFlags |= 256; } - else { - emitStatement(ts.visitEachChild(node, visitor, context)); + if (isAsyncBlockContainingAwait) { + loopBodyFlags |= 2097152; } - } - function containsYield(node) { - return node && (node.transformFlags & 16777216) !== 0; - } - function countInitialNodesWithoutYield(nodes) { - var numNodes = nodes.length; - for (var i = 0; i < numNodes; i++) { - if (containsYield(nodes[i])) { - return i; + var convertedLoopVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(functionName, undefined, ts.setEmitFlags(ts.createFunctionExpression(undefined, isAsyncBlockContainingAwait ? ts.createToken(38) : undefined, undefined, undefined, loopParameters, undefined, loopBody), loopBodyFlags)) + ])); + var statements = [convertedLoopVariable]; + var extraVariableDeclarations; + if (currentState.argumentsName) { + if (outerConvertedLoopState) { + outerConvertedLoopState.argumentsName = currentState.argumentsName; + } + else { + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, undefined, ts.createIdentifier("arguments"))); } } - return -1; - } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); - } - return node; - } - function substituteExpression(node) { - if (ts.isIdentifier(node)) { - return substituteExpressionIdentifier(node); + if (currentState.thisName) { + if (outerConvertedLoopState) { + outerConvertedLoopState.thisName = currentState.thisName; + } + else { + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, undefined, ts.createIdentifier("this"))); + } } - return node; - } - function substituteExpressionIdentifier(node) { - if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { - var original = ts.getOriginalNode(node); - if (ts.isIdentifier(original) && original.parent) { - var declaration = resolver.getReferencedValueDeclaration(original); - if (declaration) { - var name_34 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); - if (name_34) { - var clone_8 = ts.getMutableClone(name_34); - ts.setSourceMapRange(clone_8, node); - ts.setCommentRange(clone_8, node); - return clone_8; - } + if (currentState.hoistedLocalVariables) { + if (outerConvertedLoopState) { + outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; + } + else { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { + var identifier = _c[_b]; + extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); } } } - return node; - } - function cacheExpression(node) { - var temp; - if (ts.isGeneratedIdentifier(node)) { - return node; + if (loopOutParameters.length) { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { + var outParam = loopOutParameters_1[_d]; + extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); + } } - temp = ts.createTempVariable(hoistVariableDeclaration); - emitAssignment(temp, node, node); - return temp; - } - function declareLocal(name) { - var temp = name - ? ts.createUniqueName(name) - : ts.createTempVariable(undefined); - hoistVariableDeclaration(temp); - return temp; - } - function defineLabel() { - if (!labelOffsets) { - labelOffsets = []; + if (extraVariableDeclarations) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); } - var label = nextLabelId; - nextLabelId++; - labelOffsets[label] = -1; - return label; - } - function markLabel(label) { - ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); - labelOffsets[label] = operations ? operations.length : 0; - } - function beginBlock(block) { - if (!blocks) { - blocks = []; - blockActions = []; - blockOffsets = []; - blockStack = []; + var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); + var loop; + if (convert) { + loop = convert(node, convertedLoopBodyStatements); } - var index = blockActions.length; - blockActions[index] = 0; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.push(block); - return index; - } - function endBlock() { - var block = peekBlock(); - ts.Debug.assert(block !== undefined, "beginBlock was never called."); - var index = blockActions.length; - blockActions[index] = 1; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.pop(); - return block; - } - function peekBlock() { - return ts.lastOrUndefined(blockStack); - } - function peekBlockKind() { - var block = peekBlock(); - return block && block.kind; - } - function beginWithBlock(expression) { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 1, - expression: expression, - startLabel: startLabel, - endLabel: endLabel - }); - } - function endWithBlock() { - ts.Debug.assert(peekBlockKind() === 1); - var block = endBlock(); - markLabel(block.endLabel); - } - function isWithBlock(block) { - return block.kind === 1; + else { + loop = ts.getMutableClone(node); + loop.statement = undefined; + loop = ts.visitEachChild(loop, visitor, context); + loop.statement = ts.createBlock(convertedLoopBodyStatements, undefined, true); + loop.transformFlags = 0; + ts.aggregateTransformFlags(loop); + } + statements.push(currentParent.kind === 215 + ? ts.createLabel(currentParent.label, loop) + : loop); + return statements; } - function beginExceptionBlock() { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 0, - state: 0, - startLabel: startLabel, - endLabel: endLabel - }); - emitNop(); - return endLabel; + function copyOutParameter(outParam, copyDirection) { + var source = copyDirection === 0 ? outParam.outParamName : outParam.originalName; + var target = copyDirection === 0 ? outParam.originalName : outParam.outParamName; + return ts.createBinary(target, 57, source); } - function beginCatchBlock(variable) { - ts.Debug.assert(peekBlockKind() === 0); - var text = variable.name.text; - var name = declareLocal(text); - if (!renamedCatchVariables) { - renamedCatchVariables = ts.createMap(); - renamedCatchVariableDeclarations = ts.createMap(); - context.enableSubstitution(70); + function copyOutParameters(outParams, copyDirection, statements) { + for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { + var outParam = outParams_1[_i]; + statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); } - renamedCatchVariables[text] = true; - renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; - var exception = peekBlock(); - ts.Debug.assert(exception.state < 1); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var catchLabel = defineLabel(); - markLabel(catchLabel); - exception.state = 1; - exception.catchVariable = name; - exception.catchLabel = catchLabel; - emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [])); - emitNop(); - } - function beginFinallyBlock() { - ts.Debug.assert(peekBlockKind() === 0); - var exception = peekBlock(); - ts.Debug.assert(exception.state < 2); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var finallyLabel = defineLabel(); - markLabel(finallyLabel); - exception.state = 2; - exception.finallyLabel = finallyLabel; } - function endExceptionBlock() { - ts.Debug.assert(peekBlockKind() === 0); - var exception = endBlock(); - var state = exception.state; - if (state < 2) { - emitBreak(exception.endLabel); + function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { + var outerConvertedLoopState = convertedLoopState; + var statements = []; + var isSimpleLoop = !(state.nonLocalJumps & ~4) && + !state.labeledNonLocalBreaks && + !state.labeledNonLocalContinues; + var call = ts.createCall(loopFunctionExpressionName, undefined, ts.map(parameters, function (p) { return p.name; })); + var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38), call) : call; + if (isSimpleLoop) { + statements.push(ts.createStatement(callResult)); + copyOutParameters(state.loopOutParameters, 0, statements); } else { - emitEndfinally(); + var loopResultName = ts.createUniqueName("state"); + var stateVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, undefined, callResult)])); + statements.push(stateVariable); + copyOutParameters(state.loopOutParameters, 0, statements); + if (state.nonLocalJumps & 8) { + var returnStatement = void 0; + if (outerConvertedLoopState) { + outerConvertedLoopState.nonLocalJumps |= 8; + returnStatement = ts.createReturn(loopResultName); + } + else { + returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + } + statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33, ts.createLiteral("object")), returnStatement)); + } + if (state.nonLocalJumps & 2) { + statements.push(ts.createIf(ts.createBinary(loopResultName, 33, ts.createLiteral("break")), ts.createBreak())); + } + if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { + var caseClauses = []; + processLabeledJumps(state.labeledNonLocalBreaks, true, loopResultName, outerConvertedLoopState, caseClauses); + processLabeledJumps(state.labeledNonLocalContinues, false, loopResultName, outerConvertedLoopState, caseClauses); + statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + } } - markLabel(exception.endLabel); - emitNop(); - exception.state = 3; - } - function isExceptionBlock(block) { - return block.kind === 0; - } - function beginScriptLoopBlock() { - beginBlock({ - kind: 3, - isScript: true, - breakLabel: -1, - continueLabel: -1 - }); - } - function beginLoopBlock(continueLabel) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 3, - isScript: false, - breakLabel: breakLabel, - continueLabel: continueLabel - }); - return breakLabel; + return statements; } - function endLoopBlock() { - ts.Debug.assert(peekBlockKind() === 3); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = ts.createMap(); + } + state.labeledNonLocalBreaks[labelText] = labelMarker; } - } - function beginScriptSwitchBlock() { - beginBlock({ - kind: 2, - isScript: true, - breakLabel: -1 - }); - } - function beginSwitchBlock() { - var breakLabel = defineLabel(); - beginBlock({ - kind: 2, - isScript: false, - breakLabel: breakLabel - }); - return breakLabel; - } - function endSwitchBlock() { - ts.Debug.assert(peekBlockKind() === 2); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = ts.createMap(); + } + state.labeledNonLocalContinues[labelText] = labelMarker; } } - function beginScriptLabeledBlock(labelText) { - beginBlock({ - kind: 4, - isScript: true, - labelText: labelText, - breakLabel: -1 - }); - } - function beginLabeledBlock(labelText) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 4, - isScript: false, - labelText: labelText, - breakLabel: breakLabel - }); - } - function endLabeledBlock() { - ts.Debug.assert(peekBlockKind() === 4); - var block = endBlock(); - if (!block.isScript) { - markLabel(block.breakLabel); + function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { + if (!table) { + return; } - } - function supportsUnlabeledBreak(block) { - return block.kind === 2 - || block.kind === 3; - } - function supportsLabeledBreakOrContinue(block) { - return block.kind === 4; - } - function supportsUnlabeledContinue(block) { - return block.kind === 3; - } - function hasImmediateContainingLabeledBlock(labelText, start) { - for (var j = start; j >= 0; j--) { - var containingBlock = blockStack[j]; - if (supportsLabeledBreakOrContinue(containingBlock)) { - if (containingBlock.labelText === labelText) { - return true; - } + for (var labelText in table) { + var labelMarker = table[labelText]; + var statements = []; + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + var label = ts.createIdentifier(labelText); + statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); } else { - break; + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + statements.push(ts.createReturn(loopResultName)); } + caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } - return false; } - function findBreakTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { - return block.breakLabel; - } - else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.breakLabel; + function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { + var name = decl.name; + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + processLoopVariableDeclaration(element, loopParameters, loopOutParameters); } } } else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledBreak(block)) { - return block.breakLabel; - } + loopParameters.push(ts.createParameter(name)); + if (resolver.getNodeCheckFlags(decl) & 2097152) { + var outParamName = ts.createUniqueName("out_" + name.text); + loopOutParameters.push({ originalName: name, outParamName: outParamName }); } } - return 0; } - function findContinueTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.continueLabel; - } + function addObjectLiteralMembers(expressions, node, receiver, start) { + var properties = node.properties; + var numProperties = properties.length; + for (var i = start; i < numProperties; i++) { + var property = properties[i]; + switch (property.kind) { + case 150: + case 151: + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property === accessors.firstAccessor) { + expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); + } + break; + case 253: + expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 254: + expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 148: + expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } } - else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block)) { - return block.continueLabel; - } - } + } + function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return 0; + return expression; } - function createLabel(label) { - if (label > 0) { - if (labelExpressions === undefined) { - labelExpressions = []; - } - var expression = ts.createSynthesizedNode(8); - if (labelExpressions[label] === undefined) { - labelExpressions[label] = [expression]; - } - else { - labelExpressions[label].push(expression); - } - return expression; + function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return ts.createNode(194); + return expression; } - function createInstruction(instruction) { - var literal = ts.createLiteral(instruction); - literal.trailingComment = instructionNames[instruction]; - return literal; + function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, method, undefined), method); + if (startsOnNewLine) { + expression.startsOnNewLine = true; + } + return expression; } - function createInlineBreak(label, location) { - ts.Debug.assert(label > 0, "Invalid label: " + label); - return ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), location); + function visitCatchClause(node) { + ts.Debug.assert(ts.isBindingPattern(node.variableDeclaration.name)); + var temp = ts.createTempVariable(undefined); + var newVariableDeclaration = ts.createVariableDeclaration(temp, undefined, undefined, node.variableDeclaration); + var vars = ts.flattenVariableDestructuring(node.variableDeclaration, temp, visitor); + var list = ts.createVariableDeclarationList(vars, node.variableDeclaration, node.variableDeclaration.flags); + var destructure = ts.createVariableStatement(undefined, list); + return ts.updateCatchClause(node, newVariableDeclaration, addStatementToStartOfBlock(node.block, destructure)); + } + function addStatementToStartOfBlock(block, statement) { + var transformedStatements = ts.visitNodes(block.statements, visitor, ts.isStatement); + return ts.updateBlock(block, [statement].concat(transformedStatements)); } - function createInlineReturn(expression, location) { - return ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2), expression] - : [createInstruction(2)]), location); + function visitMethodDeclaration(node) { + ts.Debug.assert(!ts.isComputedPropertyName(node.name)); + var functionExpression = transformFunctionLikeToExpression(node, ts.moveRangePos(node, -1), undefined); + ts.setEmitFlags(functionExpression, 16384 | ts.getEmitFlags(functionExpression)); + return ts.createPropertyAssignment(node.name, functionExpression, node); + } + function visitShorthandPropertyAssignment(node) { + return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), node); + } + function visitYieldExpression(node) { + return ts.visitEachChild(node, visitor, context); + } + function visitArrayLiteralExpression(node) { + return transformAndSpreadElements(node.elements, true, node.multiLine, node.elements.hasTrailingComma); } - function createGeneratorResume(location) { - return ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [], location); + function visitCallExpression(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, true); } - function emitNop() { - emitWorker(0); + function visitImmediateSuperCallInBody(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, false); } - function emitStatement(node) { - if (node) { - emitWorker(1, [node]); + function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + if (node.expression.kind === 96) { + ts.setEmitFlags(thisArg, 128); + } + var resultingCall; + if (node.transformFlags & 1048576) { + resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, false, false, false)); } else { - emitNop(); + resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), node); } + if (node.expression.kind === 96) { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128); + var initializer = ts.createLogicalOr(resultingCall, actualThis); + return assignToCapturedThis + ? ts.createAssignment(ts.createIdentifier("_this"), initializer) + : initializer; + } + return resultingCall; } - function emitAssignment(left, right, location) { - emitWorker(2, [left, right], location); - } - function emitBreak(label, location) { - emitWorker(3, [label], location); - } - function emitBreakWhenTrue(label, condition, location) { - emitWorker(4, [label, condition], location); + function visitNewExpression(node) { + ts.Debug.assert((node.transformFlags & 1048576) !== 0); + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), false, false, false)), undefined, []); } - function emitBreakWhenFalse(label, condition, location) { - emitWorker(5, [label, condition], location); + function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { + var numElements = elements.length; + var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { + return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); + })); + if (segments.length === 1) { + var firstElement = elements[0]; + return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 + ? ts.createArraySlice(segments[0]) + : segments[0]; + } + return ts.createArrayConcat(segments.shift(), segments); } - function emitYieldStar(expression, location) { - emitWorker(7, [expression], location); + function partitionSpreadElement(node) { + return ts.isSpreadElementExpression(node) + ? visitSpanOfSpreadElements + : visitSpanOfNonSpreadElements; } - function emitYield(expression, location) { - emitWorker(6, [expression], location); + function visitSpanOfSpreadElements(chunk) { + return ts.map(chunk, visitExpressionOfSpreadElement); } - function emitReturn(expression, location) { - emitWorker(8, [expression], location); + function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { + return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, undefined, hasTrailingComma), visitor, ts.isExpression), undefined, multiLine); } - function emitThrow(expression, location) { - emitWorker(9, [expression], location); + function visitExpressionOfSpreadElement(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } - function emitEndfinally() { - emitWorker(10); + function visitTemplateLiteral(node) { + return ts.createLiteral(node.text, node); } - function emitWorker(code, args, location) { - if (operations === undefined) { - operations = []; - operationArguments = []; - operationLocations = []; + function visitTaggedTemplateExpression(node) { + var tag = ts.visitNode(node.tag, visitor, ts.isExpression); + var temp = ts.createTempVariable(hoistVariableDeclaration); + var templateArguments = [temp]; + var cookedStrings = []; + var rawStrings = []; + var template = node.template; + if (ts.isNoSubstitutionTemplateLiteral(template)) { + cookedStrings.push(ts.createLiteral(template.text)); + rawStrings.push(getRawLiteral(template)); } - if (labelOffsets === undefined) { - markLabel(defineLabel()); + else { + cookedStrings.push(ts.createLiteral(template.head.text)); + rawStrings.push(getRawLiteral(template.head)); + for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { + var templateSpan = _a[_i]; + cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); + rawStrings.push(getRawLiteral(templateSpan.literal)); + templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); + } } - var operationIndex = operations.length; - operations[operationIndex] = code; - operationArguments[operationIndex] = args; - operationLocations[operationIndex] = location; + return ts.createParen(ts.inlineExpressions([ + ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), + ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), + ts.createCall(tag, undefined, templateArguments) + ])); } - function build() { - blockIndex = 0; - labelNumber = 0; - labelNumbers = undefined; - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - clauses = undefined; - statements = undefined; - exceptionBlockStack = undefined; - currentExceptionBlock = undefined; - withBlockStack = undefined; - var buildResult = buildStatements(); - return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), undefined, [ - ts.createThis(), - ts.setEmitFlags(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(state)], undefined, ts.createBlock(buildResult, undefined, buildResult.length > 0)), 4194304) - ]); + function getRawLiteral(node) { + var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); + var isLast = node.kind === 12 || node.kind === 15; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + text = text.replace(/\r\n?/g, "\n"); + return ts.createLiteral(text, node); } - function buildStatements() { - if (operations) { - for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { - writeOperation(operationIndex); - } - flushFinalLabel(operations.length); - } - else { - flushFinalLabel(0); - } - if (clauses) { - var labelExpression = ts.createPropertyAccess(state, "label"); - var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); - switchStatement.startsOnNewLine = true; - return [switchStatement]; - } - if (statements) { - return statements; + function visitTemplateExpression(node) { + var expressions = []; + addTemplateHead(expressions, node); + addTemplateSpans(expressions, node); + var expression = ts.reduceLeft(expressions, ts.createAdd); + if (ts.nodeIsSynthesized(expression)) { + ts.setTextRange(expression, node); } - return []; + return expression; } - function flushLabel() { - if (!statements) { + function shouldAddTemplateHead(node) { + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + } + function addTemplateHead(expressions, node) { + if (!shouldAddTemplateHead(node)) { return; } - appendLabel(!lastOperationWasAbrupt); - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - labelNumber++; + expressions.push(ts.createLiteral(node.head.text)); } - function flushFinalLabel(operationIndex) { - if (isFinalLabelReachable(operationIndex)) { - tryEnterLabel(operationIndex); - withBlockStack = undefined; - writeReturn(undefined, undefined); - } - if (statements && clauses) { - appendLabel(false); + function addTemplateSpans(expressions, node) { + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span_6 = _a[_i]; + expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); + if (span_6.literal.text.length !== 0) { + expressions.push(ts.createLiteral(span_6.literal.text)); + } } - updateLabelExpressions(); } - function isFinalLabelReachable(operationIndex) { - if (!lastOperationWasCompletion) { - return true; - } - if (!labelOffsets || !labelExpressions) { - return false; - } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex && labelExpressions[label]) { - return true; - } + function visitSuperKeyword() { + return enclosingNonAsyncFunctionBody + && ts.isClassElement(enclosingNonAsyncFunctionBody) + && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32) + && currentParent.kind !== 175 + ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") + : ts.createIdentifier("_super"); + } + function visitSourceFileNode(node) { + var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; + var statements = []; + startLexicalEnvironment(); + ts.addRange(statements, prologue); + addCaptureThisForNodeIfNeeded(statements, node); + ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); + ts.addRange(statements, endLexicalEnvironment()); + var clone = ts.getMutableClone(node); + clone.statements = ts.createNodeArray(statements, node.statements); + return clone; + } + function onEmitNode(emitContext, node, emitCallback) { + var savedEnclosingFunction = enclosingFunction; + if (enabledSubstitutions & 1 && ts.isFunctionLike(node)) { + enclosingFunction = node; } - return false; + previousOnEmitNode(emitContext, node, emitCallback); + enclosingFunction = savedEnclosingFunction; } - function appendLabel(markLabelEnd) { - if (!clauses) { - clauses = []; + function enableSubstitutionsForBlockScopedBindings() { + if ((enabledSubstitutions & 2) === 0) { + enabledSubstitutions |= 2; + context.enableSubstitution(70); } - if (statements) { - if (withBlockStack) { - for (var i = withBlockStack.length - 1; i >= 0; i--) { - var withBlock = withBlockStack[i]; - statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; - } - } - if (currentExceptionBlock) { - var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; - statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), undefined, [ - ts.createArrayLiteral([ - createLabel(startLabel), - createLabel(catchLabel), - createLabel(finallyLabel), - createLabel(endLabel) - ]) - ]))); - currentExceptionBlock = undefined; - } - if (markLabelEnd) { - statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); - } + } + function enableSubstitutionsForCapturedThis() { + if ((enabledSubstitutions & 1) === 0) { + enabledSubstitutions |= 1; + context.enableSubstitution(98); + context.enableEmitNotification(149); + context.enableEmitNotification(148); + context.enableEmitNotification(150); + context.enableEmitNotification(151); + context.enableEmitNotification(181); + context.enableEmitNotification(180); + context.enableEmitNotification(221); } - clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); - statements = undefined; } - function tryEnterLabel(operationIndex) { - if (!labelOffsets) { - return; + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex) { - flushLabel(); - if (labelNumbers === undefined) { - labelNumbers = []; - } - if (labelNumbers[labelNumber] === undefined) { - labelNumbers[labelNumber] = [label]; - } - else { - labelNumbers[labelNumber].push(label); - } - } + if (ts.isIdentifier(node)) { + return substituteIdentifier(node); } + return node; } - function updateLabelExpressions() { - if (labelExpressions !== undefined && labelNumbers !== undefined) { - for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { - var labels = labelNumbers[labelNumber_1]; - if (labels !== undefined) { - for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { - var label = labels_1[_i]; - var expressions = labelExpressions[label]; - if (expressions !== undefined) { - for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { - var expression = expressions_1[_a]; - expression.text = String(labelNumber_1); - } - } - } - } + function substituteIdentifier(node) { + if (enabledSubstitutions & 2) { + var original = ts.getParseTreeNode(node, ts.isIdentifier); + if (original && isNameOfDeclarationWithCollidingName(original)) { + return ts.getGeneratedNameForNode(original); } } + return node; } - function tryEnterOrLeaveBlock(operationIndex) { - if (blocks) { - for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { - var block = blocks[blockIndex]; - var blockAction = blockActions[blockIndex]; - if (isExceptionBlock(block)) { - if (blockAction === 0) { - if (!exceptionBlockStack) { - exceptionBlockStack = []; - } - if (!statements) { - statements = []; - } - exceptionBlockStack.push(currentExceptionBlock); - currentExceptionBlock = block; - } - else if (blockAction === 1) { - currentExceptionBlock = exceptionBlockStack.pop(); - } - } - else if (isWithBlock(block)) { - if (blockAction === 0) { - if (!withBlockStack) { - withBlockStack = []; - } - withBlockStack.push(block); - } - else if (blockAction === 1) { - withBlockStack.pop(); - } - } - } + function isNameOfDeclarationWithCollidingName(node) { + var parent = node.parent; + switch (parent.kind) { + case 170: + case 222: + case 225: + case 219: + return parent.name === node + && resolver.isDeclarationWithCollidingName(parent); } + return false; } - function writeOperation(operationIndex) { - tryEnterLabel(operationIndex); - tryEnterOrLeaveBlock(operationIndex); - if (lastOperationWasAbrupt) { - return; - } - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - var opcode = operations[operationIndex]; - if (opcode === 0) { - return; - } - else if (opcode === 10) { - return writeEndfinally(); - } - var args = operationArguments[operationIndex]; - if (opcode === 1) { - return writeStatement(args[0]); - } - var location = operationLocations[operationIndex]; - switch (opcode) { - case 2: - return writeAssign(args[0], args[1], location); - case 3: - return writeBreak(args[0], location); - case 4: - return writeBreakWhenTrue(args[0], args[1], location); - case 5: - return writeBreakWhenFalse(args[0], args[1], location); - case 6: - return writeYield(args[0], location); - case 7: - return writeYieldStar(args[0], location); - case 8: - return writeReturn(args[0], location); - case 9: - return writeThrow(args[0], location); + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 98: + return substituteThisKeyword(node); } + return node; } - function writeStatement(statement) { - if (statement) { - if (!statements) { - statements = [statement]; - } - else { - statements.push(statement); + function substituteExpressionIdentifier(node) { + if (enabledSubstitutions & 2) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + return ts.getGeneratedNameForNode(declaration.name); } } + return node; } - function writeAssign(left, right, operationLocation) { - writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); - } - function writeThrow(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createThrow(expression, operationLocation)); - } - function writeReturn(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2), expression] - : [createInstruction(2)]), operationLocation)); - } - function writeBreak(label, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation)); - } - function writeBreakWhenTrue(label, condition, operationLocation) { - writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation))); - } - function writeBreakWhenFalse(label, condition, operationLocation) { - writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation))); - } - function writeYield(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(4), expression] - : [createInstruction(4)]), operationLocation)); + function substituteThisKeyword(node) { + if (enabledSubstitutions & 1 + && enclosingFunction + && ts.getEmitFlags(enclosingFunction) & 256) { + return ts.createIdentifier("_this", node); + } + return node; } - function writeYieldStar(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(5), - expression - ]), operationLocation)); + function getLocalName(node, allowComments, allowSourceMaps) { + return getDeclarationName(node, allowComments, allowSourceMaps, 262144); } - function writeEndfinally() { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(7) - ]))); + function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { + if (node.name && !ts.isGeneratedIdentifier(node.name)) { + var name_38 = ts.getMutableClone(node.name); + emitFlags |= ts.getEmitFlags(node.name); + if (!allowSourceMaps) { + emitFlags |= 1536; + } + if (!allowComments) { + emitFlags |= 49152; + } + if (emitFlags) { + ts.setEmitFlags(name_38, emitFlags); + } + return name_38; + } + return ts.getGeneratedNameForNode(node); } - } - ts.transformGenerators = transformGenerators; - var _a; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES5(context) { - var previousOnSubstituteNode = context.onSubstituteNode; - context.onSubstituteNode = onSubstituteNode; - context.enableSubstitution(173); - context.enableSubstitution(253); - return transformSourceFile; - function transformSourceFile(node) { - return node; + function getClassMemberPrefix(node, member) { + var expression = getLocalName(node); + return ts.hasModifier(member, 32) ? expression : ts.createPropertyAccess(expression, "prototype"); } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (ts.isPropertyAccessExpression(node)) { - return substitutePropertyAccessExpression(node); + function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { + if (!constructor || !hasExtendsClause) { + return false; } - else if (ts.isPropertyAssignment(node)) { - return substitutePropertyAssignment(node); + var parameter = ts.singleOrUndefined(constructor.parameters); + if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { + return false; } - return node; - } - function substitutePropertyAccessExpression(node) { - var literalName = trySubstituteReservedName(node.name); - if (literalName) { - return ts.createElementAccess(node.expression, literalName, node); + var statement = ts.firstOrUndefined(constructor.body.statements); + if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203) { + return false; } - return node; - } - function substitutePropertyAssignment(node) { - var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name); - if (literalName) { - return ts.updatePropertyAssignment(node, literalName, node.initializer); + var statementExpression = statement.expression; + if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175) { + return false; } - return node; - } - function trySubstituteReservedName(name) { - var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(name.text) : undefined); - if (token >= 71 && token <= 106) { - return ts.createLiteral(name, name); + var callTarget = statementExpression.expression; + if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96) { + return false; } - return undefined; + var callArgument = ts.singleOrUndefined(statementExpression.arguments); + if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192) { + return false; + } + var expression = callArgument.expression; + return ts.isIdentifier(expression) && expression === parameter.name; } } - ts.transformES5 = transformES5; + ts.transformES2015 = transformES2015; })(ts || (ts = {})); var ts; (function (ts) { - function transformModule(context) { - var transformModuleDelegates = ts.createMap((_a = {}, - _a[ts.ModuleKind.None] = transformCommonJSModule, - _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, - _a[ts.ModuleKind.AMD] = transformAMDModule, - _a[ts.ModuleKind.UMD] = transformUMDModule, - _a)); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var instructionNames = ts.createMap((_a = {}, + _a[2] = "return", + _a[3] = "break", + _a[4] = "yield", + _a[5] = "yield*", + _a[7] = "endfinally", + _a)); + function transformGenerators(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); + var resolver = context.getEmitResolver(); var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70); - context.enableSubstitution(188); - context.enableSubstitution(186); - context.enableSubstitution(187); - context.enableSubstitution(254); - context.enableEmitNotification(256); var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var bindingNameExportSpecifiersMap; - var bindingNameExportSpecifiersForFileMap = ts.createMap(); - var hasExportStarsToExportValues; + var renamedCatchVariables; + var renamedCatchVariableDeclarations; + var inGeneratorFunctionBody; + var inStatementContainingYield; + var blocks; + var blockOffsets; + var blockActions; + var blockStack; + var labelOffsets; + var labelExpressions; + var nextLabelId = 1; + var operations; + var operationArguments; + var operationLocations; + var state; + var blockIndex = 0; + var labelNumber = 0; + var labelNumbers; + var lastOperationWasAbrupt; + var lastOperationWasCompletion; + var clauses; + var statements; + var exceptionBlockStack; + var currentExceptionBlock; + var withBlockStack; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + if (node.transformFlags & 4096) { currentSourceFile = node; - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; - var updated = transformModule_1(node); - ts.aggregateTransformFlags(updated); + node = ts.visitEachChild(node, visitor, context); currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - return updated; } return node; - var _a; } - function transformCommonJSModule(node) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, false); - var updated = updateSourceFile(node, statements); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(updated, 2 | ts.getEmitFlags(node)); + function visitor(node) { + var transformFlags = node.transformFlags; + if (inStatementContainingYield) { + return visitJavaScriptInStatementContainingYield(node); + } + else if (inGeneratorFunctionBody) { + return visitJavaScriptInGeneratorFunctionBody(node); + } + else if (transformFlags & 2048) { + return visitGenerator(node); + } + else if (transformFlags & 4096) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; } - return updated; } - function transformAMDModule(node) { - var define = ts.createIdentifier("define"); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - return transformAsynchronousModule(node, define, moduleName, true); + function visitJavaScriptInStatementContainingYield(node) { + switch (node.kind) { + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 214: + return visitSwitchStatement(node); + case 215: + return visitLabeledStatement(node); + default: + return visitJavaScriptInGeneratorFunctionBody(node); + } } - function transformUMDModule(node) { - var define = ts.createIdentifier("define"); - ts.setEmitFlags(define, 16); - return transformAsynchronousModule(node, define, undefined, false); + function visitJavaScriptInGeneratorFunctionBody(node) { + switch (node.kind) { + case 221: + return visitFunctionDeclaration(node); + case 180: + return visitFunctionExpression(node); + case 150: + case 151: + return visitAccessorDeclaration(node); + case 201: + return visitVariableStatement(node); + case 207: + return visitForStatement(node); + case 208: + return visitForInStatement(node); + case 211: + return visitBreakStatement(node); + case 210: + return visitContinueStatement(node); + case 212: + return visitReturnStatement(node); + default: + if (node.transformFlags & 16777216) { + return visitJavaScriptContainingYield(node); + } + else if (node.transformFlags & (4096 | 33554432)) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } + } } - function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { - var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(define, undefined, (moduleName ? [moduleName] : []).concat([ - ts.createArrayLiteral([ - ts.createLiteral("require"), - ts.createLiteral("exports") - ].concat(aliasedModuleNames, unaliasedModuleNames)), - ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ - ts.createParameter("require"), - ts.createParameter("exports") - ].concat(importAliasNames), undefined, transformAsynchronousModuleBody(node)) - ]))) - ]); + function visitJavaScriptContainingYield(node) { + switch (node.kind) { + case 188: + return visitBinaryExpression(node); + case 189: + return visitConditionalExpression(node); + case 191: + return visitYieldExpression(node); + case 171: + return visitArrayLiteralExpression(node); + case 172: + return visitObjectLiteralExpression(node); + case 174: + return visitElementAccessExpression(node); + case 175: + return visitCallExpression(node); + case 176: + return visitNewExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } } - function transformAsynchronousModuleBody(node) { - startLexicalEnvironment(); + function visitGenerator(node) { + switch (node.kind) { + case 221: + return visitFunctionDeclaration(node); + case 180: + return visitFunctionExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } + } + function visitFunctionDeclaration(node) { + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + node = ts.setOriginalNode(ts.createFunctionDeclaration(undefined, undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + if (inGeneratorFunctionBody) { + hoistFunctionDeclaration(node); + return undefined; + } + else { + return node; + } + } + function visitFunctionExpression(node) { + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + node = ts.setOriginalNode(ts.createFunctionExpression(undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + return node; + } + function visitAccessorDeclaration(node) { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + return node; + } + function transformGeneratorFunctionBody(body) { var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + var savedBlocks = blocks; + var savedBlockOffsets = blockOffsets; + var savedBlockActions = blockActions; + var savedBlockStack = blockStack; + var savedLabelOffsets = labelOffsets; + var savedLabelExpressions = labelExpressions; + var savedNextLabelId = nextLabelId; + var savedOperations = operations; + var savedOperationArguments = operationArguments; + var savedOperationLocations = operationLocations; + var savedState = state; + inGeneratorFunctionBody = true; + inStatementContainingYield = false; + blocks = undefined; + blockOffsets = undefined; + blockActions = undefined; + blockStack = undefined; + labelOffsets = undefined; + labelExpressions = undefined; + nextLabelId = 1; + operations = undefined; + operationArguments = undefined; + operationLocations = undefined; + state = ts.createTempVariable(undefined); + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); + transformAndEmitStatements(body.statements, statementOffset); + var buildResult = build(); ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, true); - var body = ts.createBlock(statements, undefined, true); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(body, 2); + statements.push(ts.createReturn(buildResult)); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + blocks = savedBlocks; + blockOffsets = savedBlockOffsets; + blockActions = savedBlockActions; + blockStack = savedBlockStack; + labelOffsets = savedLabelOffsets; + labelExpressions = savedLabelExpressions; + nextLabelId = savedNextLabelId; + operations = savedOperations; + operationArguments = savedOperationArguments; + operationLocations = savedOperationLocations; + state = savedState; + return ts.createBlock(statements, body, body.multiLine); + } + function visitVariableStatement(node) { + if (node.transformFlags & 16777216) { + transformAndEmitVariableDeclarationList(node.declarationList); + return undefined; + } + else { + if (ts.getEmitFlags(node) & 8388608) { + return node; + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; + } + return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); } - return body; } - function addExportEqualsIfNeeded(statements, emitAsReturn) { - if (exportEquals) { - if (emitAsReturn) { - var statement = ts.createReturn(exportEquals.expression, exportEquals); - ts.setEmitFlags(statement, 12288 | 49152); - statements.push(statement); + function visitBinaryExpression(node) { + switch (ts.getExpressionAssociativity(node)) { + case 0: + return visitLeftAssociativeBinaryExpression(node); + case 1: + return visitRightAssociativeBinaryExpression(node); + default: + ts.Debug.fail("Unknown associativity."); + } + } + function isCompoundAssignment(kind) { + return kind >= 58 + && kind <= 69; + } + function getOperatorForCompoundAssignment(kind) { + switch (kind) { + case 58: return 36; + case 59: return 37; + case 60: return 38; + case 61: return 39; + case 62: return 40; + case 63: return 41; + case 64: return 44; + case 65: return 45; + case 66: return 46; + case 67: return 47; + case 68: return 48; + case 69: return 49; + } + } + function visitRightAssociativeBinaryExpression(node) { + var left = node.left, right = node.right; + if (containsYield(right)) { + var target = void 0; + switch (left.kind) { + case 173: + target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); + break; + case 174: + target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); + break; + default: + target = ts.visitNode(left, visitor, ts.isExpression); + break; + } + var operator = node.operatorToken.kind; + if (isCompoundAssignment(operator)) { + return ts.createBinary(target, 57, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); } else { - var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), exportEquals); - ts.setEmitFlags(statement, 49152); - statements.push(statement); + return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); } } + return ts.visitEachChild(node, visitor, context); } - function visitor(node) { - switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 237: - return visitExportDeclaration(node); - case 236: - return visitExportAssignment(node); - case 201: - return visitVariableStatement(node); - case 221: - return visitFunctionDeclaration(node); - case 222: - return visitClassDeclaration(node); - case 203: - return visitExpressionStatement(node); - default: - return node; + function visitLeftAssociativeBinaryExpression(node) { + if (containsYield(node.right)) { + if (ts.isLogicalOperator(node.operatorToken.kind)) { + return visitLogicalBinaryExpression(node); + } + else if (node.operatorToken.kind === 25) { + return visitCommaExpression(node); + } + var clone_6 = ts.getMutableClone(node); + clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); + clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); + return clone_6; } + return ts.visitEachChild(node, visitor, context); } - function visitImportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + function visitLogicalBinaryExpression(node) { + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), node.left); + if (node.operatorToken.kind === 52) { + emitBreakWhenFalse(resultLabel, resultLocal, node.left); } - var statements = []; - var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); - if (moduleKind !== ts.ModuleKind.AMD) { - if (!node.importClause) { - statements.push(ts.createStatement(createRequireCall(node), node)); + else { + emitBreakWhenTrue(resultLabel, resultLocal, node.left); + } + emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), node.right); + markLabel(resultLabel); + return resultLocal; + } + function visitCommaExpression(node) { + var pendingExpressions = []; + visit(node.left); + visit(node.right); + return ts.inlineExpressions(pendingExpressions); + function visit(node) { + if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25) { + visit(node.left); + visit(node.right); } else { - var variables = []; - if (namespaceDeclaration && !ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, createRequireCall(node))); - } - else { - variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), undefined, createRequireCall(node))); - if (namespaceDeclaration && ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node))); - } + if (containsYield(node) && pendingExpressions.length > 0) { + emitWorker(1, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); + pendingExpressions = []; } - statements.push(ts.createVariableStatement(undefined, ts.createConstDeclarationList(variables), node)); + pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); } } - else if (namespaceDeclaration && ts.isDefaultImport(node)) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node), node) - ]))); + } + function visitConditionalExpression(node) { + if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { + var whenFalseLabel = defineLabel(); + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), node.condition); + emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), node.whenTrue); + emitBreak(resultLabel); + markLabel(whenFalseLabel); + emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), node.whenFalse); + markLabel(resultLabel); + return resultLocal; } - addExportImportAssignments(statements, node); - return ts.singleOrMany(statements); + return ts.visitEachChild(node, visitor, context); } - function visitImportEqualsDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; - } - ts.setEmitFlags(node.name, 128); - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - if (ts.hasModifier(node, 1)) { - statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), node)); - } - else { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), undefined, createRequireCall(node)) - ], undefined, languageVersion >= 2 ? 2 : 0), node)); - } + function visitYieldExpression(node) { + var resumeLabel = defineLabel(); + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + if (node.asteriskToken) { + emitYieldStar(expression, node); } else { - if (ts.hasModifier(node, 1)) { - statements.push(ts.createStatement(createExportAssignment(node.name, node.name), node)); - } + emitYield(expression, node); } - addExportImportAssignments(statements, node); - return statements; + markLabel(resumeLabel); + return createGeneratorResume(); } - function visitExportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + function visitArrayLiteralExpression(node) { + return visitElements(node.elements, node.multiLine); + } + function visitElements(elements, _multiLine) { + var numInitialElements = countInitialNodesWithoutYield(elements); + var temp = declareLocal(); + var hasAssignedTemp = false; + if (numInitialElements > 0) { + emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); + hasAssignedTemp = true; } - var generatedName = ts.getGeneratedNameForNode(node); - if (node.exportClause) { - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(generatedName, undefined, createRequireCall(node)) - ]), node)); + var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); + return hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions); + function reduceElement(expressions, element) { + if (containsYield(element) && expressions.length > 0) { + emitAssignment(temp, hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions)); + hasAssignedTemp = true; + expressions = []; } - for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { - var specifier = _a[_i]; - var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); - statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), specifier)); + expressions.push(ts.visitNode(element, visitor, ts.isExpression)); + return expressions; + } + } + function visitObjectLiteralExpression(node) { + var properties = node.properties; + var multiLine = node.multiLine; + var numInitialProperties = countInitialNodesWithoutYield(properties); + var temp = declareLocal(); + emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, multiLine)); + var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); + expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); + function reduceProperty(expressions, property) { + if (containsYield(property) && expressions.length > 0) { + emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); + expressions = []; } - return ts.singleOrMany(statements); + var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); + var visited = ts.visitNode(expression, visitor, ts.isExpression); + if (visited) { + if (multiLine) { + visited.startsOnNewLine = true; + } + expressions.push(visited); + } + return expressions; } - else { - return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), undefined, [ - moduleKind !== ts.ModuleKind.AMD - ? createRequireCall(node) - : generatedName - ]), node); + } + function visitElementAccessExpression(node) { + if (containsYield(node.argumentExpression)) { + var clone_7 = ts.getMutableClone(node); + clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); + clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); + return clone_7; } + return ts.visitEachChild(node, visitor, context); } - function visitExportAssignment(node) { - if (node.isExportEquals) { - return undefined; + function visitCallExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, true), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), node), node); } - var statements = []; - addExportDefault(statements, node.expression, node); - return statements; + return ts.visitEachChild(node, visitor, context); } - function addExportDefault(statements, expression, location) { - tryAddExportDefaultCompat(statements); - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); + function visitNewExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), undefined, [], node), node); + } + return ts.visitEachChild(node, visitor, context); } - function tryAddExportDefaultCompat(statements) { - var original = ts.getOriginalNode(currentSourceFile); - ts.Debug.assert(original.kind === 256); - if (!original.symbol.exports["___esModule"]) { - if (languageVersion === 0) { - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); - } - else { - statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ - ts.createIdentifier("exports"), - ts.createLiteral("__esModule"), - ts.createObjectLiteral([ - ts.createPropertyAssignment("value", ts.createLiteral(true)) - ]) - ]))); - } + function transformAndEmitStatements(statements, start) { + if (start === void 0) { start = 0; } + var numStatements = statements.length; + for (var i = start; i < numStatements; i++) { + transformAndEmitStatement(statements[i]); } } - function addExportImportAssignments(statements, node) { - if (ts.isImportEqualsDeclaration(node)) { - addExportMemberAssignments(statements, node.name); + function transformAndEmitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + transformAndEmitStatements(node.statements); } else { - var names = ts.reduceEachChild(node, collectExportMembers, []); - for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { - var name_35 = names_1[_i]; - addExportMemberAssignments(statements, name_35); - } + transformAndEmitStatement(node); } } - function collectExportMembers(names, node) { - if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { - var name_36 = node.name; - if (ts.isIdentifier(name_36)) { - names.push(name_36); - } + function transformAndEmitStatement(node) { + var savedInStatementContainingYield = inStatementContainingYield; + if (!inStatementContainingYield) { + inStatementContainingYield = containsYield(node); } - return ts.reduceEachChild(node, collectExportMembers, names); + transformAndEmitStatementWorker(node); + inStatementContainingYield = savedInStatementContainingYield; } - function addExportMemberAssignments(statements, name) { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), specifier.name))); - } + function transformAndEmitStatementWorker(node) { + switch (node.kind) { + case 200: + return transformAndEmitBlock(node); + case 203: + return transformAndEmitExpressionStatement(node); + case 204: + return transformAndEmitIfStatement(node); + case 205: + return transformAndEmitDoStatement(node); + case 206: + return transformAndEmitWhileStatement(node); + case 207: + return transformAndEmitForStatement(node); + case 208: + return transformAndEmitForInStatement(node); + case 210: + return transformAndEmitContinueStatement(node); + case 211: + return transformAndEmitBreakStatement(node); + case 212: + return transformAndEmitReturnStatement(node); + case 213: + return transformAndEmitWithStatement(node); + case 214: + return transformAndEmitSwitchStatement(node); + case 215: + return transformAndEmitLabeledStatement(node); + case 216: + return transformAndEmitThrowStatement(node); + case 217: + return transformAndEmitTryStatement(node); + default: + return emitStatement(ts.visitNode(node, visitor, ts.isStatement, true)); } } - function addExportMemberAssignment(statements, node) { - if (ts.hasModifier(node, 512)) { - addExportDefault(statements, getDeclarationName(node), node); + function transformAndEmitBlock(node) { + if (containsYield(node)) { + transformAndEmitStatements(node.statements); } else { - statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144), node)); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitVariableStatement(node) { - var originalKind = ts.getOriginalNode(node).kind; - if (originalKind === 226 || - originalKind === 225 || - originalKind === 222) { - if (!ts.hasModifier(node, 1)) { - return node; - } - return ts.setOriginalNode(ts.createVariableStatement(undefined, node.declarationList), node); + function transformAndEmitExpressionStatement(node) { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + function transformAndEmitVariableDeclarationList(node) { + for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } - var resultStatements = []; - if (ts.hasModifier(node, 1)) { - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length > 0) { - var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); - resultStatements.push(inlineAssignments); + var variables = ts.getInitializedVariables(node); + var numVariables = variables.length; + var variablesWritten = 0; + var pendingExpressions = []; + while (variablesWritten < numVariables) { + for (var i = variablesWritten; i < numVariables; i++) { + var variable = variables[i]; + if (containsYield(variable.initializer) && pendingExpressions.length > 0) { + break; + } + pendingExpressions.push(transformInitializedVariable(variable)); + } + if (pendingExpressions.length) { + emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); + variablesWritten += pendingExpressions.length; + pendingExpressions = []; } } - else { - resultStatements.push(node); - } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - addExportMemberAssignmentsForBindingName(resultStatements, decl.name); - } - return resultStatements; + return undefined; } - function addExportMemberAssignmentsForBindingName(resultStatements, name) { - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - addExportMemberAssignmentsForBindingName(resultStatements, element.name); + function transformInitializedVariable(node) { + return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + } + function transformAndEmitIfStatement(node) { + if (containsYield(node)) { + if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { + var endLabel = defineLabel(); + var elseLabel = node.elseStatement ? defineLabel() : undefined; + emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + emitBreak(endLabel); + markLabel(elseLabel); + transformAndEmitEmbeddedStatement(node.elseStatement); } + markLabel(endLabel); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } else { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - var sourceFileId = ts.getOriginalNodeId(currentSourceFile); - if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { - bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); - } - bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; - addExportMemberAssignments(resultStatements, name); - } + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function transformInitializedVariable(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); + function transformAndEmitDoStatement(node) { + if (containsYield(node)) { + var conditionLabel = defineLabel(); + var loopLabel = defineLabel(); + beginLoopBlock(conditionLabel); + markLabel(loopLabel); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(conditionLabel); + emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + endLoopBlock(); } else { - return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitFunctionDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1)) { - var isAsync = ts.hasModifier(node, 256); - statements.push(ts.setOriginalNode(ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name, undefined, node.parameters, undefined, node.body, node), node)); - addExportMemberAssignment(statements, node); + function visitDoStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } else { - statements.push(node); - } - if (node.name) { - addExportMemberAssignments(statements, node.name); + return ts.visitEachChild(node, visitor, context); } - return ts.singleOrMany(statements); } - function visitClassDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1)) { - statements.push(ts.setOriginalNode(ts.createClassDeclaration(undefined, undefined, name, undefined, node.heritageClauses, node.members, node), node)); - addExportMemberAssignment(statements, node); + function transformAndEmitWhileStatement(node) { + if (containsYield(node)) { + var loopLabel = defineLabel(); + var endLabel = beginLoopBlock(loopLabel); + markLabel(loopLabel); + emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.statement); + emitBreak(loopLabel); + endLoopBlock(); } else { - statements.push(node); - } - if (node.name && !(node.decorators && node.decorators.length)) { - addExportMemberAssignments(statements, node.name); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return ts.singleOrMany(statements); } - function visitExpressionStatement(node) { - var original = ts.getOriginalNode(node); - var origKind = original.kind; - if (origKind === 225 || origKind === 226) { - return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); - } - else if (origKind === 222) { - var classDecl = original; - if (classDecl.name) { - var statements = [node]; - addExportMemberAssignments(statements, classDecl.name); - return statements; - } + function visitWhileStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } - return node; - } - function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { - var statements = [node]; - if (ts.hasModifier(original, 1) && - original.kind === 225 && - ts.isFirstDeclarationOfKind(original, 225)) { - addVarForExportedEnumOrNamespaceDeclaration(statements, original); + else { + return ts.visitEachChild(node, visitor, context); } - addExportMemberAssignments(statements, original.name); - return statements; - } - function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { - var transformedStatement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], node); - ts.setEmitFlags(transformedStatement, 49152); - statements.push(transformedStatement); - } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256) { - bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - bindingNameExportSpecifiersMap = undefined; + function transformAndEmitForStatement(node) { + if (containsYield(node)) { + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + if (node.initializer) { + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + transformAndEmitVariableDeclarationList(initializer); + } + else { + emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), initializer)); + } + } + markLabel(conditionLabel); + if (node.condition) { + emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + } + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + if (node.incrementor) { + emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), node.incrementor)); + } + emitBreak(conditionLabel); + endLoopBlock(); } else { - previousOnEmitNode(emitContext, node, emitCallback); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); - } - else if (ts.isShorthandPropertyAssignment(node)) { - return substituteShorthandPropertyAssignment(node); + function visitForStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); } - return node; - } - function substituteShorthandPropertyAssignment(node) { - var name = node.name; - var exportedOrImportedName = substituteExpressionIdentifier(name); - if (exportedOrImportedName !== name) { - if (node.objectAssignmentInitializer) { - var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); - return ts.createPropertyAssignment(name, initializer, node); + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } - return ts.createPropertyAssignment(name, exportedOrImportedName, node); - } - return node; - } - function substituteExpression(node) { - switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 188: - return substituteBinaryExpression(node); - case 187: - case 186: - return substituteUnaryExpression(node); + var variables = ts.getInitializedVariables(initializer); + node = ts.updateFor(node, variables.length > 0 + ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) + : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, true), ts.visitNode(node.incrementor, visitor, ts.isExpression, true), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); } - return node; - } - function substituteExpressionIdentifier(node) { - return trySubstituteExportedName(node) - || trySubstituteImportedName(node) - || node; - } - function substituteBinaryExpression(node) { - var left = node.left; - if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { - ts.setEmitFlags(node, 128); - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, node); - } - return nestedExportAssignment; - } + else { + node = ts.visitEachChild(node, visitor, context); } - return node; - } - function substituteUnaryExpression(node) { - var operator = node.operator; - var operand = node.operand; - if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { - ts.setEmitFlags(node, 128); - var transformedUnaryExpression = void 0; - if (node.kind === 187) { - transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 ? 58 : 59), ts.createLiteral(1), node); - ts.setEmitFlags(transformedUnaryExpression, 128); - } - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, transformedUnaryExpression || node); - } - return nestedExportAssignment; - } + if (inStatementContainingYield) { + endLoopBlock(); } return node; } - function trySubstituteExportedName(node) { - var emitFlags = ts.getEmitFlags(node); - if ((emitFlags & 262144) === 0) { - var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072) !== 0); - if (container) { - if (container.kind === 256) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), node); + function transformAndEmitForInStatement(node) { + if (containsYield(node)) { + var keysArray = declareLocal(); + var key = declareLocal(); + var keysIndex = ts.createLoopVariable(); + var initializer = node.initializer; + hoistVariableDeclaration(keysIndex); + emitAssignment(keysArray, ts.createArrayLiteral()); + emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), undefined, [key])))); + emitAssignment(keysIndex, ts.createLiteral(0)); + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + markLabel(conditionLabel); + emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); + var variable = void 0; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable_1 = _a[_i]; + hoistVariableDeclaration(variable_1.name); } + variable = ts.getSynthesizedClone(initializer.declarations[0].name); + } + else { + variable = ts.visitNode(initializer, visitor, ts.isExpression); + ts.Debug.assert(ts.isLeftHandSideExpression(variable)); } + emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); + emitBreak(conditionLabel); + endLoopBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return undefined; } - function trySubstituteImportedName(node) { - if ((ts.getEmitFlags(node) & 262144) === 0) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (ts.isImportClause(declaration)) { - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), node); - } - else if (ts.isImportSpecifier(declaration)) { - var name_37 = declaration.propertyName || declaration.name; - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_37), node); - } + function visitForInStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + } + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } + node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); } - return undefined; - } - function getModuleMemberName(name) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), name, name); - } - function createRequireCall(importNode) { - var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var args = []; - if (ts.isDefined(moduleName)) { - args.push(moduleName); + else { + node = ts.visitEachChild(node, visitor, context); } - return ts.createCall(ts.createIdentifier("require"), undefined, args); - } - function createExportStatement(name, value, location) { - var statement = ts.createStatement(createExportAssignment(name, value)); - statement.startsOnNewLine = true; - if (location) { - ts.setSourceMapRange(statement, location); + if (inStatementContainingYield) { + endLoopBlock(); } - return statement; + return node; } - function createExportAssignment(name, value) { - return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); + function transformAndEmitContinueStatement(node) { + var label = findContinueTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); + emitBreak(label, node); } - function collectAsynchronousDependencies(node, includeNonAmdDependencies) { - var aliasedModuleNames = []; - var unaliasedModuleNames = []; - var importAliasNames = []; - for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { - var amdDependency = _a[_i]; - if (amdDependency.name) { - aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); - importAliasNames.push(ts.createParameter(amdDependency.name)); - } - else { - unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); - } - } - for (var _b = 0, externalImports_1 = externalImports; _b < externalImports_1.length; _b++) { - var importNode = externalImports_1[_b]; - var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); - if (includeNonAmdDependencies && importAliasName) { - ts.setEmitFlags(importAliasName, 128); - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(ts.createParameter(importAliasName)); - } - else { - unaliasedModuleNames.push(externalModuleName); + function visitContinueStatement(node) { + if (inStatementContainingYield) { + var label = findContinueTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, node); } } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + return ts.visitEachChild(node, visitor, context); } - function updateSourceFile(node, statements) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - return updated; + function transformAndEmitBreakStatement(node) { + var label = findBreakTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); + emitBreak(label, node); } - var _a; - } - ts.transformModule = transformModule; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformSystemModule(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; - var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70); - context.enableSubstitution(188); - context.enableSubstitution(186); - context.enableSubstitution(187); - context.enableEmitNotification(256); - var exportFunctionForFileMap = []; - var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var exportFunctionForFile; - var contextObjectForFile; - var exportedLocalNames; - var exportedFunctionDeclarations; - var enclosingBlockScopedContainer; - var currentParent; - var currentNode; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - currentSourceFile = node; - currentNode = node; - var updated = transformSystemModuleWorker(node); - ts.aggregateTransformFlags(updated); - currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - exportedLocalNames = undefined; - exportedFunctionDeclarations = undefined; - return updated; + function visitBreakStatement(node) { + if (inStatementContainingYield) { + var label = findBreakTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, node); + } } - return node; + return ts.visitEachChild(node, visitor, context); } - function transformSystemModuleWorker(node) { - ts.Debug.assert(!exportFunctionForFile); - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - exportFunctionForFile = ts.createUniqueName("exports"); - contextObjectForFile = ts.createUniqueName("context"); - exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; - var dependencyGroups = collectDependencyGroups(externalImports); - var statements = []; - addSystemModuleBody(statements, node, dependencyGroups); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); - var body = ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ - ts.createParameter(exportFunctionForFile), - ts.createParameter(contextObjectForFile) - ], undefined, ts.setEmitFlags(ts.createBlock(statements, undefined, true), 1)); - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), undefined, moduleName - ? [moduleName, dependencies, body] - : [dependencies, body])) - ], ~1 & ts.getEmitFlags(node)); - var _a; + function transformAndEmitReturnStatement(node) { + emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); } - function addSystemModuleBody(statements, node, dependencyGroups) { - startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitSourceElement); - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("__moduleName", undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) - ]))); - var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); - ts.addRange(statements, endLexicalEnvironment()); - ts.addRange(statements, exportedFunctionDeclarations); - var exportStarFunction = addExportStarIfNeeded(statements); - statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ - ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), - ts.createPropertyAssignment("execute", ts.createFunctionExpression(undefined, undefined, undefined, undefined, [], undefined, ts.createBlock(executeStatements, undefined, true))) - ]), true))); + function visitReturnStatement(node) { + return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); } - function addExportStarIfNeeded(statements) { - if (!hasExportStarsToExportValues) { - return; + function transformAndEmitWithStatement(node) { + if (containsYield(node)) { + beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); + transformAndEmitEmbeddedStatement(node.statement); + endWithBlock(); } - if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { - var hasExportDeclarationWithExportClause = false; - for (var _i = 0, externalImports_2 = externalImports; _i < externalImports_2.length; _i++) { - var externalImport = externalImports_2[_i]; - if (externalImport.kind === 237 && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + } + function transformAndEmitSwitchStatement(node) { + if (containsYield(node.caseBlock)) { + var caseBlock = node.caseBlock; + var numClauses = caseBlock.clauses.length; + var endLabel = beginSwitchBlock(); + var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); + var clauseLabels = []; + var defaultClauseIndex = -1; + for (var i = 0; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + clauseLabels.push(defineLabel()); + if (clause.kind === 250 && defaultClauseIndex === -1) { + defaultClauseIndex = i; } } - if (!hasExportDeclarationWithExportClause) { - return addExportStarFunction(statements, undefined); - } - } - var exportedNames = []; - if (exportedLocalNames) { - for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { - var exportedLocalName = exportedLocalNames_1[_a]; - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); + var clausesWritten = 0; + var pendingClauses = []; + while (clausesWritten < numClauses) { + var defaultClausesSkipped = 0; + for (var i = clausesWritten; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + if (clause.kind === 249) { + var caseClause = clause; + if (containsYield(caseClause.expression) && pendingClauses.length > 0) { + break; + } + pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ + createInlineBreak(clauseLabels[i], caseClause.expression) + ])); + } + else { + defaultClausesSkipped++; + } + } + if (pendingClauses.length) { + emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); + clausesWritten += pendingClauses.length; + pendingClauses = []; + } + if (defaultClausesSkipped > 0) { + clausesWritten += defaultClausesSkipped; + defaultClausesSkipped = 0; + } } - } - for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { - var externalImport = externalImports_3[_b]; - if (externalImport.kind !== 237) { - continue; + if (defaultClauseIndex >= 0) { + emitBreak(clauseLabels[defaultClauseIndex]); } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - continue; + else { + emitBreak(endLabel); } - for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { - var element = _d[_c]; - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); + for (var i = 0; i < numClauses; i++) { + markLabel(clauseLabels[i]); + transformAndEmitStatements(caseBlock.clauses[i].statements); } + endSwitchBlock(); } - var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exportedNamesStorageRef, undefined, ts.createObjectLiteral(exportedNames, undefined, true)) - ]))); - return addExportStarFunction(statements, exportedNamesStorageRef); - } - function generateSetters(exportStarFunction, dependencyGroups) { - var setters = []; - for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { - var group = dependencyGroups_1[_i]; - var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); - var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); - var statements = []; - for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { - var entry = _b[_a]; - var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); - switch (entry.kind) { - case 231: - if (!entry.importClause) { - break; - } - case 230: - ts.Debug.assert(importVariableName !== undefined); - statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); - break; - case 237: - ts.Debug.assert(importVariableName !== undefined); - if (entry.exportClause) { - var properties = []; - for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { - var e = _d[_c]; - properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); - } - statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [ts.createObjectLiteral(properties, undefined, true)]))); - } - else { - statements.push(ts.createStatement(ts.createCall(exportStarFunction, undefined, [parameterName]))); - } - break; - } - } - setters.push(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, ts.createBlock(statements, undefined, true))); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return ts.createArrayLiteral(setters, undefined, true); } - function visitSourceElement(node) { - switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 237: - return visitExportDeclaration(node); - case 236: - return visitExportAssignment(node); - default: - return visitNestedNode(node); + function visitSwitchStatement(node) { + if (inStatementContainingYield) { + beginScriptSwitchBlock(); } - } - function visitNestedNode(node) { - var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var currentGrandparent = currentParent; - currentParent = currentNode; - currentNode = node; - if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { - enclosingBlockScopedContainer = currentParent; + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endSwitchBlock(); } - var result = visitNestedNodeWorker(node); - enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; - return result; + return node; } - function visitNestedNodeWorker(node) { - switch (node.kind) { - case 201: - return visitVariableStatement(node); - case 221: - return visitFunctionDeclaration(node); - case 222: - return visitClassDeclaration(node); - case 207: - return visitForStatement(node); - case 208: - return visitForInStatement(node); - case 209: - return visitForOfStatement(node); - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 215: - return visitLabeledStatement(node); - case 213: - return visitWithStatement(node); - case 214: - return visitSwitchStatement(node); - case 228: - return visitCaseBlock(node); - case 249: - return visitCaseClause(node); - case 250: - return visitDefaultClause(node); - case 217: - return visitTryStatement(node); - case 252: - return visitCatchClause(node); - case 200: - return visitBlock(node); - case 203: - return visitExpressionStatement(node); - default: - return node; + function transformAndEmitLabeledStatement(node) { + if (containsYield(node)) { + beginLabeledBlock(node.label.text); + transformAndEmitEmbeddedStatement(node.statement); + endLabeledBlock(); } - } - function visitImportDeclaration(node) { - if (node.importClause && ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return undefined; } - function visitImportEqualsDeclaration(node) { - if (ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function visitLabeledStatement(node) { + if (inStatementContainingYield) { + beginScriptLabeledBlock(node.label.text); } - return undefined; - } - function visitExportDeclaration(node) { - if (!node.moduleSpecifier) { - var statements = []; - ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); - return statements; + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endLabeledBlock(); } - return undefined; - } - function visitExportSpecifier(specifier) { - recordExportName(specifier.name); - return createExportStatement(specifier.name, specifier.propertyName || specifier.name); + return node; } - function visitExportAssignment(node) { - if (node.isExportEquals) { - return undefined; - } - return createExportStatement(ts.createLiteral("default"), node.expression); + function transformAndEmitThrowStatement(node) { + emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), node); } - function visitVariableStatement(node) { - var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3) == 0) || - enclosingBlockScopedContainer.kind === 256; - if (!shouldHoist) { - return node; - } - var isExported = ts.hasModifier(node, 1); - var expressions = []; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, isExported); - if (visited) { - expressions.push(visited); + function transformAndEmitTryStatement(node) { + if (containsYield(node)) { + beginExceptionBlock(); + transformAndEmitEmbeddedStatement(node.tryBlock); + if (node.catchClause) { + beginCatchBlock(node.catchClause.variableDeclaration); + transformAndEmitEmbeddedStatement(node.catchClause.block); } - } - if (expressions.length) { - return ts.createStatement(ts.inlineExpressions(expressions), node); - } - return undefined; - } - function transformVariable(node, isExported) { - hoistBindingElement(node, isExported); - if (!node.initializer) { - return; - } - var name = node.name; - if (ts.isIdentifier(name)) { - return ts.createAssignment(name, node.initializer); + if (node.finallyBlock) { + beginFinallyBlock(); + transformAndEmitEmbeddedStatement(node.finallyBlock); + } + endExceptionBlock(); } else { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); + emitStatement(ts.visitEachChild(node, visitor, context)); } } - function visitFunctionDeclaration(node) { - if (ts.hasModifier(node, 1)) { - var name_38 = node.name || ts.getGeneratedNameForNode(node); - var isAsync = ts.hasModifier(node, 256); - var newNode = ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name_38, undefined, node.parameters, undefined, node.body, node); - recordExportedFunctionDeclaration(node); - if (!ts.hasModifier(node, 512)) { - recordExportName(name_38); + function containsYield(node) { + return node && (node.transformFlags & 16777216) !== 0; + } + function countInitialNodesWithoutYield(nodes) { + var numNodes = nodes.length; + for (var i = 0; i < numNodes; i++) { + if (containsYield(nodes[i])) { + return i; } - ts.setOriginalNode(newNode, node); - node = newNode; } - hoistFunctionDeclaration(node); - return undefined; + return -1; } - function visitExpressionStatement(node) { - var originalNode = ts.getOriginalNode(node); - if ((originalNode.kind === 226 || originalNode.kind === 225) && ts.hasModifier(originalNode, 1)) { - var name_39 = getDeclarationName(originalNode); - if (originalNode.kind === 225) { - hoistVariableDeclaration(name_39); - } - return [ - node, - createExportStatement(name_39, name_39) - ]; + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } return node; } - function visitClassDeclaration(node) { - var name = getDeclarationName(node); - hoistVariableDeclaration(name); - var statements = []; - statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression(undefined, node.name, undefined, node.heritageClauses, node.members, node)), node)); - if (ts.hasModifier(node, 1)) { - if (!ts.hasModifier(node, 512)) { - recordExportName(name); - } - statements.push(createDeclarationExport(node)); + function substituteExpression(node) { + if (ts.isIdentifier(node)) { + return substituteExpressionIdentifier(node); } - return statements; - } - function shouldHoistLoopInitializer(node) { - return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3) === 0; + return node; } - function visitForStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var expressions = []; - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, false); - if (visited) { - expressions.push(visited); + function substituteExpressionIdentifier(node) { + if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { + var original = ts.getOriginalNode(node); + if (ts.isIdentifier(original) && original.parent) { + var declaration = resolver.getReferencedValueDeclaration(original); + if (declaration) { + var name_39 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); + if (name_39) { + var clone_8 = ts.getMutableClone(name_39); + ts.setSourceMapRange(clone_8, node); + ts.setCommentRange(clone_8, node); + return clone_8; + } } } - ; - return ts.createFor(expressions.length - ? ts.inlineExpressions(expressions) - : ts.createSynthesizedNode(194), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), node); } - else { - return ts.visitEachChild(node, visitNestedNode, context); + return node; + } + function cacheExpression(node) { + var temp; + if (ts.isGeneratedIdentifier(node)) { + return node; } + temp = ts.createTempVariable(hoistVariableDeclaration); + emitAssignment(temp, node, node); + return temp; } - function transformForBinding(node) { - var firstDeclaration = ts.firstOrUndefined(node.declarations); - hoistBindingElement(firstDeclaration, false); - var name = firstDeclaration.name; - return ts.isIdentifier(name) - ? name - : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); + function declareLocal(name) { + var temp = name + ? ts.createUniqueName(name) + : ts.createTempVariable(undefined); + hoistVariableDeclaration(temp); + return temp; } - function visitForInStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - return updated; + function defineLabel() { + if (!labelOffsets) { + labelOffsets = []; } - else { - return ts.visitEachChild(node, visitNestedNode, context); + var label = nextLabelId; + nextLabelId++; + labelOffsets[label] = -1; + return label; + } + function markLabel(label) { + ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); + labelOffsets[label] = operations ? operations.length : 0; + } + function beginBlock(block) { + if (!blocks) { + blocks = []; + blockActions = []; + blockOffsets = []; + blockStack = []; + } + var index = blockActions.length; + blockActions[index] = 0; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.push(block); + return index; + } + function endBlock() { + var block = peekBlock(); + ts.Debug.assert(block !== undefined, "beginBlock was never called."); + var index = blockActions.length; + blockActions[index] = 1; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.pop(); + return block; + } + function peekBlock() { + return ts.lastOrUndefined(blockStack); + } + function peekBlockKind() { + var block = peekBlock(); + return block && block.kind; + } + function beginWithBlock(expression) { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 1, + expression: expression, + startLabel: startLabel, + endLabel: endLabel + }); + } + function endWithBlock() { + ts.Debug.assert(peekBlockKind() === 1); + var block = endBlock(); + markLabel(block.endLabel); + } + function isWithBlock(block) { + return block.kind === 1; + } + function beginExceptionBlock() { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 0, + state: 0, + startLabel: startLabel, + endLabel: endLabel + }); + emitNop(); + return endLabel; + } + function beginCatchBlock(variable) { + ts.Debug.assert(peekBlockKind() === 0); + var text = variable.name.text; + var name = declareLocal(text); + if (!renamedCatchVariables) { + renamedCatchVariables = ts.createMap(); + renamedCatchVariableDeclarations = ts.createMap(); + context.enableSubstitution(70); } + renamedCatchVariables[text] = true; + renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; + var exception = peekBlock(); + ts.Debug.assert(exception.state < 1); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var catchLabel = defineLabel(); + markLabel(catchLabel); + exception.state = 1; + exception.catchVariable = name; + exception.catchLabel = catchLabel; + emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [])); + emitNop(); } - function visitForOfStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - return updated; + function beginFinallyBlock() { + ts.Debug.assert(peekBlockKind() === 0); + var exception = peekBlock(); + ts.Debug.assert(exception.state < 2); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var finallyLabel = defineLabel(); + markLabel(finallyLabel); + exception.state = 2; + exception.finallyLabel = finallyLabel; + } + function endExceptionBlock() { + ts.Debug.assert(peekBlockKind() === 0); + var exception = endBlock(); + var state = exception.state; + if (state < 2) { + emitBreak(exception.endLabel); } else { - return ts.visitEachChild(node, visitNestedNode, context); + emitEndfinally(); } + markLabel(exception.endLabel); + emitNop(); + exception.state = 3; } - function visitDoStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function isExceptionBlock(block) { + return block.kind === 0; + } + function beginScriptLoopBlock() { + beginBlock({ + kind: 3, + isScript: true, + breakLabel: -1, + continueLabel: -1 + }); + } + function beginLoopBlock(continueLabel) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 3, + isScript: false, + breakLabel: breakLabel, + continueLabel: continueLabel + }); + return breakLabel; + } + function endLoopBlock() { + ts.Debug.assert(peekBlockKind() === 3); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - return node; } - function visitWhileStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function beginScriptSwitchBlock() { + beginBlock({ + kind: 2, + isScript: true, + breakLabel: -1 + }); + } + function beginSwitchBlock() { + var breakLabel = defineLabel(); + beginBlock({ + kind: 2, + isScript: false, + breakLabel: breakLabel + }); + return breakLabel; + } + function endSwitchBlock() { + ts.Debug.assert(peekBlockKind() === 2); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - return node; } - function visitLabeledStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function beginScriptLabeledBlock(labelText) { + beginBlock({ + kind: 4, + isScript: true, + labelText: labelText, + breakLabel: -1 + }); + } + function beginLabeledBlock(labelText) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 4, + isScript: false, + labelText: labelText, + breakLabel: breakLabel + }); + } + function endLabeledBlock() { + ts.Debug.assert(peekBlockKind() === 4); + var block = endBlock(); + if (!block.isScript) { + markLabel(block.breakLabel); } - return node; } - function visitWithStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function supportsUnlabeledBreak(block) { + return block.kind === 2 + || block.kind === 3; + } + function supportsLabeledBreakOrContinue(block) { + return block.kind === 4; + } + function supportsUnlabeledContinue(block) { + return block.kind === 3; + } + function hasImmediateContainingLabeledBlock(labelText, start) { + for (var j = start; j >= 0; j--) { + var containingBlock = blockStack[j]; + if (supportsLabeledBreakOrContinue(containingBlock)) { + if (containingBlock.labelText === labelText) { + return true; + } + } + else { + break; + } } - return node; + return false; } - function visitSwitchStatement(node) { - var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); - if (caseBlock !== node.caseBlock) { - var updated = ts.getMutableClone(node); - updated.caseBlock = caseBlock; - return updated; + function findBreakTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { + return block.breakLabel; + } + else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.breakLabel; + } + } } - return node; + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledBreak(block)) { + return block.breakLabel; + } + } + } + return 0; } - function visitCaseBlock(node) { - var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); - if (clauses !== node.clauses) { - var updated = ts.getMutableClone(node); - updated.clauses = clauses; - return updated; + function findContinueTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.continueLabel; + } + } } - return node; + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block)) { + return block.continueLabel; + } + } + } + return 0; } - function visitCaseClause(node) { - var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); - if (statements !== node.statements) { - var updated = ts.getMutableClone(node); - updated.statements = statements; - return updated; + function createLabel(label) { + if (label > 0) { + if (labelExpressions === undefined) { + labelExpressions = []; + } + var expression = ts.createSynthesizedNode(8); + if (labelExpressions[label] === undefined) { + labelExpressions[label] = [expression]; + } + else { + labelExpressions[label].push(expression); + } + return expression; } - return node; + return ts.createNode(194); } - function visitDefaultClause(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function createInstruction(instruction) { + var literal = ts.createLiteral(instruction); + literal.trailingComment = instructionNames[instruction]; + return literal; } - function visitTryStatement(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function createInlineBreak(label, location) { + ts.Debug.assert(label > 0, "Invalid label: " + label); + return ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), location); } - function visitCatchClause(node) { - var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); - if (block !== node.block) { - var updated = ts.getMutableClone(node); - updated.block = block; - return updated; - } - return node; + function createInlineReturn(expression, location) { + return ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2), expression] + : [createInstruction(2)]), location); } - function visitBlock(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function createGeneratorResume(location) { + return ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [], location); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256) { - exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - exportFunctionForFile = undefined; + function emitNop() { + emitWorker(0); + } + function emitStatement(node) { + if (node) { + emitWorker(1, [node]); } else { - previousOnEmitNode(emitContext, node, emitCallback); + emitNop(); } } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); - } - return node; + function emitAssignment(left, right, location) { + emitWorker(2, [left, right], location); } - function substituteExpression(node) { - switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 188: - return substituteBinaryExpression(node); - case 186: - case 187: - return substituteUnaryExpression(node); - } - return node; + function emitBreak(label, location) { + emitWorker(3, [label], location); } - function substituteExpressionIdentifier(node) { - var importDeclaration = resolver.getReferencedImportDeclaration(node); - if (importDeclaration) { - var importBinding = createImportBinding(importDeclaration); - if (importBinding) { - return importBinding; - } - } - return node; + function emitBreakWhenTrue(label, condition, location) { + emitWorker(4, [label, condition], location); + } + function emitBreakWhenFalse(label, condition, location) { + emitWorker(5, [label, condition], location); + } + function emitYieldStar(expression, location) { + emitWorker(7, [expression], location); + } + function emitYield(expression, location) { + emitWorker(6, [expression], location); } - function substituteBinaryExpression(node) { - if (ts.isAssignmentOperator(node.operatorToken.kind)) { - return substituteAssignmentExpression(node); - } - return node; + function emitReturn(expression, location) { + emitWorker(8, [expression], location); } - function substituteAssignmentExpression(node) { - ts.setEmitFlags(node, 128); - var left = node.left; - switch (left.kind) { - case 70: - var exportDeclaration = resolver.getReferencedExportContainer(left); - if (exportDeclaration) { - return createExportExpression(left, node); - } - break; - case 172: - case 171: - if (hasExportedReferenceInDestructuringPattern(left)) { - return substituteDestructuring(node); - } - break; - } - return node; + function emitThrow(expression, location) { + emitWorker(9, [expression], location); } - function isExportedBinding(name) { - var container = resolver.getReferencedExportContainer(name); - return container && container.kind === 256; + function emitEndfinally() { + emitWorker(10); } - function hasExportedReferenceInDestructuringPattern(node) { - switch (node.kind) { - case 70: - return isExportedBinding(node); - case 172: - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var property = _a[_i]; - if (hasExportedReferenceInObjectDestructuringElement(property)) { - return true; - } - } - break; - case 171: - for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { - var element = _c[_b]; - if (hasExportedReferenceInArrayDestructuringElement(element)) { - return true; - } - } - break; + function emitWorker(code, args, location) { + if (operations === undefined) { + operations = []; + operationArguments = []; + operationLocations = []; } - return false; - } - function hasExportedReferenceInObjectDestructuringElement(node) { - if (ts.isShorthandPropertyAssignment(node)) { - return isExportedBinding(node.name); + if (labelOffsets === undefined) { + markLabel(defineLabel()); } - else if (ts.isPropertyAssignment(node)) { - return hasExportedReferenceInDestructuringElement(node.initializer); + var operationIndex = operations.length; + operations[operationIndex] = code; + operationArguments[operationIndex] = args; + operationLocations[operationIndex] = location; + } + function build() { + blockIndex = 0; + labelNumber = 0; + labelNumbers = undefined; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + clauses = undefined; + statements = undefined; + exceptionBlockStack = undefined; + currentExceptionBlock = undefined; + withBlockStack = undefined; + var buildResult = buildStatements(); + return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), undefined, [ + ts.createThis(), + ts.setEmitFlags(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(state)], undefined, ts.createBlock(buildResult, undefined, buildResult.length > 0)), 4194304) + ]); + } + function buildStatements() { + if (operations) { + for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { + writeOperation(operationIndex); + } + flushFinalLabel(operations.length); } else { - return false; + flushFinalLabel(0); } - } - function hasExportedReferenceInArrayDestructuringElement(node) { - if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + if (clauses) { + var labelExpression = ts.createPropertyAccess(state, "label"); + var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); + switchStatement.startsOnNewLine = true; + return [switchStatement]; } - else { - return hasExportedReferenceInDestructuringElement(node); + if (statements) { + return statements; } + return []; } - function hasExportedReferenceInDestructuringElement(node) { - if (ts.isBinaryExpression(node)) { - var left = node.left; - return node.operatorToken.kind === 57 - && isDestructuringPattern(left) - && hasExportedReferenceInDestructuringPattern(left); + function flushLabel() { + if (!statements) { + return; } - else if (ts.isIdentifier(node)) { - return isExportedBinding(node); + appendLabel(!lastOperationWasAbrupt); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + labelNumber++; + } + function flushFinalLabel(operationIndex) { + if (isFinalLabelReachable(operationIndex)) { + tryEnterLabel(operationIndex); + withBlockStack = undefined; + writeReturn(undefined, undefined); } - else if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + if (statements && clauses) { + appendLabel(false); } - else if (isDestructuringPattern(node)) { - return hasExportedReferenceInDestructuringPattern(node); + updateLabelExpressions(); + } + function isFinalLabelReachable(operationIndex) { + if (!lastOperationWasCompletion) { + return true; } - else { + if (!labelOffsets || !labelExpressions) { return false; } + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex && labelExpressions[label]) { + return true; + } + } + return false; } - function isDestructuringPattern(node) { - var kind = node.kind; - return kind === 70 - || kind === 172 - || kind === 171; - } - function substituteDestructuring(node) { - return ts.flattenDestructuringAssignment(context, node, true, hoistVariableDeclaration); + function appendLabel(markLabelEnd) { + if (!clauses) { + clauses = []; + } + if (statements) { + if (withBlockStack) { + for (var i = withBlockStack.length - 1; i >= 0; i--) { + var withBlock = withBlockStack[i]; + statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; + } + } + if (currentExceptionBlock) { + var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; + statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), undefined, [ + ts.createArrayLiteral([ + createLabel(startLabel), + createLabel(catchLabel), + createLabel(finallyLabel), + createLabel(endLabel) + ]) + ]))); + currentExceptionBlock = undefined; + } + if (markLabelEnd) { + statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); + } + } + clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); + statements = undefined; } - function substituteUnaryExpression(node) { - var operand = node.operand; - var operator = node.operator; - var substitute = ts.isIdentifier(operand) && - (node.kind === 187 || - (node.kind === 186 && (operator === 42 || operator === 43))); - if (substitute) { - var exportDeclaration = resolver.getReferencedExportContainer(operand); - if (exportDeclaration) { - var expr = ts.createPrefix(node.operator, operand, node); - ts.setEmitFlags(expr, 128); - var call = createExportExpression(operand, expr); - if (node.kind === 186) { - return call; + function tryEnterLabel(operationIndex) { + if (!labelOffsets) { + return; + } + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex) { + flushLabel(); + if (labelNumbers === undefined) { + labelNumbers = []; + } + if (labelNumbers[labelNumber] === undefined) { + labelNumbers[labelNumber] = [label]; } else { - return operator === 42 - ? ts.createSubtract(call, ts.createLiteral(1)) - : ts.createAdd(call, ts.createLiteral(1)); + labelNumbers[labelNumber].push(label); } } } - return node; } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); - } - function addExportStarFunction(statements, localNames) { - var exportStarFunction = ts.createUniqueName("exportStar"); - var m = ts.createIdentifier("m"); - var n = ts.createIdentifier("n"); - var exports = ts.createIdentifier("exports"); - var condition = ts.createStrictInequality(n, ts.createLiteral("default")); - if (localNames) { - condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + function updateLabelExpressions() { + if (labelExpressions !== undefined && labelNumbers !== undefined) { + for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { + var labels = labelNumbers[labelNumber_1]; + if (labels !== undefined) { + for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { + var label = labels_1[_i]; + var expressions = labelExpressions[label]; + if (expressions !== undefined) { + for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { + var expression = expressions_1[_a]; + expression.text = String(labelNumber_1); + } + } + } + } + } } - statements.push(ts.createFunctionDeclaration(undefined, undefined, undefined, exportStarFunction, undefined, [ts.createParameter(m)], undefined, ts.createBlock([ - ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exports, undefined, ts.createObjectLiteral([])) - ])), - ts.createForIn(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(n, undefined) - ]), m, ts.createBlock([ - ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32) - ])), - ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [exports])) - ], undefined, true))); - return exportStarFunction; - } - function createExportExpression(name, value) { - var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; - return ts.createCall(exportFunctionForFile, undefined, [exportName, value]); } - function createExportStatement(name, value) { - return ts.createStatement(createExportExpression(name, value)); - } - function createDeclarationExport(node) { - var declarationName = getDeclarationName(node); - var exportName = ts.hasModifier(node, 512) ? ts.createLiteral("default") : declarationName; - return createExportStatement(exportName, declarationName); + function tryEnterOrLeaveBlock(operationIndex) { + if (blocks) { + for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { + var block = blocks[blockIndex]; + var blockAction = blockActions[blockIndex]; + if (isExceptionBlock(block)) { + if (blockAction === 0) { + if (!exceptionBlockStack) { + exceptionBlockStack = []; + } + if (!statements) { + statements = []; + } + exceptionBlockStack.push(currentExceptionBlock); + currentExceptionBlock = block; + } + else if (blockAction === 1) { + currentExceptionBlock = exceptionBlockStack.pop(); + } + } + else if (isWithBlock(block)) { + if (blockAction === 0) { + if (!withBlockStack) { + withBlockStack = []; + } + withBlockStack.push(block); + } + else if (blockAction === 1) { + withBlockStack.pop(); + } + } + } + } } - function createImportBinding(importDeclaration) { - var importAlias; - var name; - if (ts.isImportClause(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); - name = ts.createIdentifier("default"); + function writeOperation(operationIndex) { + tryEnterLabel(operationIndex); + tryEnterOrLeaveBlock(operationIndex); + if (lastOperationWasAbrupt) { + return; } - else if (ts.isImportSpecifier(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); - name = importDeclaration.propertyName || importDeclaration.name; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + var opcode = operations[operationIndex]; + if (opcode === 0) { + return; } - else { - return undefined; + else if (opcode === 10) { + return writeEndfinally(); + } + var args = operationArguments[operationIndex]; + if (opcode === 1) { + return writeStatement(args[0]); + } + var location = operationLocations[operationIndex]; + switch (opcode) { + case 2: + return writeAssign(args[0], args[1], location); + case 3: + return writeBreak(args[0], location); + case 4: + return writeBreakWhenTrue(args[0], args[1], location); + case 5: + return writeBreakWhenFalse(args[0], args[1], location); + case 6: + return writeYield(args[0], location); + case 7: + return writeYieldStar(args[0], location); + case 8: + return writeReturn(args[0], location); + case 9: + return writeThrow(args[0], location); } - return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); } - function collectDependencyGroups(externalImports) { - var groupIndices = ts.createMap(); - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var externalImport = externalImports[i]; - var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); - var text = externalModuleName.text; - if (ts.hasProperty(groupIndices, text)) { - var groupIndex = groupIndices[text]; - dependencyGroups[groupIndex].externalImports.push(externalImport); - continue; + function writeStatement(statement) { + if (statement) { + if (!statements) { + statements = [statement]; } else { - groupIndices[text] = dependencyGroups.length; - dependencyGroups.push({ - name: externalModuleName, - externalImports: [externalImport] - }); + statements.push(statement); } } - return dependencyGroups; } - function getNameOfDependencyGroup(dependencyGroup) { - return dependencyGroup.name; + function writeAssign(left, right, operationLocation) { + writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); } - function recordExportName(name) { - if (!exportedLocalNames) { - exportedLocalNames = []; - } - exportedLocalNames.push(name); + function writeThrow(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createThrow(expression, operationLocation)); } - function recordExportedFunctionDeclaration(node) { - if (!exportedFunctionDeclarations) { - exportedFunctionDeclarations = []; - } - exportedFunctionDeclarations.push(createDeclarationExport(node)); + function writeReturn(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2), expression] + : [createInstruction(2)]), operationLocation)); } - function hoistBindingElement(node, isExported) { - if (ts.isOmittedExpression(node)) { - return; - } - var name = node.name; - if (ts.isIdentifier(name)) { - hoistVariableDeclaration(ts.getSynthesizedClone(name)); - if (isExported) { - recordExportName(name); - } - } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); - } + function writeBreak(label, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation)); } - function hoistExportedBindingElement(node) { - hoistBindingElement(node, true); + function writeBreakWhenTrue(label, condition, operationLocation) { + writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation))); } - function hoistNonExportedBindingElement(node) { - hoistBindingElement(node, false); + function writeBreakWhenFalse(label, condition, operationLocation) { + writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation))); } - function updateSourceFile(node, statements, nodeEmitFlags) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - ts.setEmitFlags(updated, nodeEmitFlags); - return updated; + function writeYield(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(4), expression] + : [createInstruction(4)]), operationLocation)); + } + function writeYieldStar(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(5), + expression + ]), operationLocation)); + } + function writeEndfinally() { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(7) + ]))); } } - ts.transformSystemModule = transformSystemModule; + ts.transformGenerators = transformGenerators; + var _a; })(ts || (ts = {})); var ts; (function (ts) { - function transformES2015Module(context) { - var compilerOptions = context.getCompilerOptions(); + function transformES5(context) { + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + context.enableSubstitution(173); + context.enableSubstitution(253); return transformSourceFile; function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + return node; + } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (ts.isPropertyAccessExpression(node)) { + return substitutePropertyAccessExpression(node); } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - return ts.visitEachChild(node, visitor, context); + else if (ts.isPropertyAssignment(node)) { + return substitutePropertyAssignment(node); } return node; } - function visitor(node) { - switch (node.kind) { - case 230: - return undefined; - case 236: - return visitExportAssignment(node); + function substitutePropertyAccessExpression(node) { + var literalName = trySubstituteReservedName(node.name); + if (literalName) { + return ts.createElementAccess(node.expression, literalName, node); } return node; } - function visitExportAssignment(node) { - return node.isExportEquals ? undefined : node; + function substitutePropertyAssignment(node) { + var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name); + if (literalName) { + return ts.updatePropertyAssignment(node, literalName, node.initializer); + } + return node; + } + function trySubstituteReservedName(name) { + var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(name.text) : undefined); + if (token >= 71 && token <= 106) { + return ts.createLiteral(name, name); + } + return undefined; } } - ts.transformES2015Module = transformES2015Module; + ts.transformES5 = transformES5; })(ts || (ts = {})); var ts; (function (ts) { @@ -43593,11 +42628,6 @@ var ts; _a[ts.ModuleKind.UMD] = ts.transformModule, _a[ts.ModuleKind.None] = ts.transformModule, _a)); - var SyntaxKindFeatureFlags; - (function (SyntaxKindFeatureFlags) { - SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["Substitution"] = 1] = "Substitution"; - SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["EmitNotifications"] = 2] = "EmitNotifications"; - })(SyntaxKindFeatureFlags || (SyntaxKindFeatureFlags = {})); function getTransformers(compilerOptions) { var jsx = compilerOptions.jsx; var languageVersion = ts.getEmitScriptTarget(compilerOptions); @@ -44313,7 +43343,7 @@ var ts; var isCurrentFileExternalModule; var reportedDeclarationError = false; var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function () { } : writeJsDocComments; + var emitJsDocComments = compilerOptions.removeComments ? ts.noop : writeJsDocComments; var emit = compilerOptions.stripInternal ? stripInternal : emitNode; var noDeclare; var moduleElementDeclarationEmitInfo = []; @@ -45746,12 +44776,6 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - var TempFlags; - (function (TempFlags) { - TempFlags[TempFlags["Auto"] = 0] = "Auto"; - TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; - TempFlags[TempFlags["_i"] = 268435456] = "_i"; - })(TempFlags || (TempFlags = {})); var id = function (s) { return s; }; var nullTransformers = [function (_) { return id; }]; function emitFiles(resolver, host, targetSourceFile, emitOnlyDtsFiles) { @@ -47790,68 +46814,6 @@ var ts; } } ts.emitFiles = emitFiles; - var ListFormat; - (function (ListFormat) { - ListFormat[ListFormat["None"] = 0] = "None"; - ListFormat[ListFormat["SingleLine"] = 0] = "SingleLine"; - ListFormat[ListFormat["MultiLine"] = 1] = "MultiLine"; - ListFormat[ListFormat["PreserveLines"] = 2] = "PreserveLines"; - ListFormat[ListFormat["LinesMask"] = 3] = "LinesMask"; - ListFormat[ListFormat["NotDelimited"] = 0] = "NotDelimited"; - ListFormat[ListFormat["BarDelimited"] = 4] = "BarDelimited"; - ListFormat[ListFormat["AmpersandDelimited"] = 8] = "AmpersandDelimited"; - ListFormat[ListFormat["CommaDelimited"] = 16] = "CommaDelimited"; - ListFormat[ListFormat["DelimitersMask"] = 28] = "DelimitersMask"; - ListFormat[ListFormat["AllowTrailingComma"] = 32] = "AllowTrailingComma"; - ListFormat[ListFormat["Indented"] = 64] = "Indented"; - ListFormat[ListFormat["SpaceBetweenBraces"] = 128] = "SpaceBetweenBraces"; - ListFormat[ListFormat["SpaceBetweenSiblings"] = 256] = "SpaceBetweenSiblings"; - ListFormat[ListFormat["Braces"] = 512] = "Braces"; - ListFormat[ListFormat["Parenthesis"] = 1024] = "Parenthesis"; - ListFormat[ListFormat["AngleBrackets"] = 2048] = "AngleBrackets"; - ListFormat[ListFormat["SquareBrackets"] = 4096] = "SquareBrackets"; - ListFormat[ListFormat["BracketsMask"] = 7680] = "BracketsMask"; - ListFormat[ListFormat["OptionalIfUndefined"] = 8192] = "OptionalIfUndefined"; - ListFormat[ListFormat["OptionalIfEmpty"] = 16384] = "OptionalIfEmpty"; - ListFormat[ListFormat["Optional"] = 24576] = "Optional"; - ListFormat[ListFormat["PreferNewLine"] = 32768] = "PreferNewLine"; - ListFormat[ListFormat["NoTrailingNewLine"] = 65536] = "NoTrailingNewLine"; - ListFormat[ListFormat["NoInterveningComments"] = 131072] = "NoInterveningComments"; - ListFormat[ListFormat["Modifiers"] = 256] = "Modifiers"; - ListFormat[ListFormat["HeritageClauses"] = 256] = "HeritageClauses"; - ListFormat[ListFormat["TypeLiteralMembers"] = 65] = "TypeLiteralMembers"; - ListFormat[ListFormat["TupleTypeElements"] = 336] = "TupleTypeElements"; - ListFormat[ListFormat["UnionTypeConstituents"] = 260] = "UnionTypeConstituents"; - ListFormat[ListFormat["IntersectionTypeConstituents"] = 264] = "IntersectionTypeConstituents"; - ListFormat[ListFormat["ObjectBindingPatternElements"] = 432] = "ObjectBindingPatternElements"; - ListFormat[ListFormat["ArrayBindingPatternElements"] = 304] = "ArrayBindingPatternElements"; - ListFormat[ListFormat["ObjectLiteralExpressionProperties"] = 978] = "ObjectLiteralExpressionProperties"; - ListFormat[ListFormat["ArrayLiteralExpressionElements"] = 4466] = "ArrayLiteralExpressionElements"; - ListFormat[ListFormat["CallExpressionArguments"] = 1296] = "CallExpressionArguments"; - ListFormat[ListFormat["NewExpressionArguments"] = 9488] = "NewExpressionArguments"; - ListFormat[ListFormat["TemplateExpressionSpans"] = 131072] = "TemplateExpressionSpans"; - ListFormat[ListFormat["SingleLineBlockStatements"] = 384] = "SingleLineBlockStatements"; - ListFormat[ListFormat["MultiLineBlockStatements"] = 65] = "MultiLineBlockStatements"; - ListFormat[ListFormat["VariableDeclarationList"] = 272] = "VariableDeclarationList"; - ListFormat[ListFormat["SingleLineFunctionBodyStatements"] = 384] = "SingleLineFunctionBodyStatements"; - ListFormat[ListFormat["MultiLineFunctionBodyStatements"] = 1] = "MultiLineFunctionBodyStatements"; - ListFormat[ListFormat["ClassHeritageClauses"] = 256] = "ClassHeritageClauses"; - ListFormat[ListFormat["ClassMembers"] = 65] = "ClassMembers"; - ListFormat[ListFormat["InterfaceMembers"] = 65] = "InterfaceMembers"; - ListFormat[ListFormat["EnumMembers"] = 81] = "EnumMembers"; - ListFormat[ListFormat["CaseBlockClauses"] = 65] = "CaseBlockClauses"; - ListFormat[ListFormat["NamedImportsOrExportsElements"] = 432] = "NamedImportsOrExportsElements"; - ListFormat[ListFormat["JsxElementChildren"] = 131072] = "JsxElementChildren"; - ListFormat[ListFormat["JsxElementAttributes"] = 131328] = "JsxElementAttributes"; - ListFormat[ListFormat["CaseOrDefaultClauseStatements"] = 81985] = "CaseOrDefaultClauseStatements"; - ListFormat[ListFormat["HeritageClauseTypes"] = 272] = "HeritageClauseTypes"; - ListFormat[ListFormat["SourceFileStatements"] = 65537] = "SourceFileStatements"; - ListFormat[ListFormat["Decorators"] = 24577] = "Decorators"; - ListFormat[ListFormat["TypeArguments"] = 26960] = "TypeArguments"; - ListFormat[ListFormat["TypeParameters"] = 26960] = "TypeParameters"; - ListFormat[ListFormat["Parameters"] = 1360] = "Parameters"; - ListFormat[ListFormat["IndexSignatureParameters"] = 4432] = "IndexSignatureParameters"; - })(ListFormat || (ListFormat = {})); })(ts || (ts = {})); var ts; (function (ts) { @@ -48199,21 +47161,7 @@ var ts; return false; } var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.moduleResolution !== options.moduleResolution) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs) || - (oldOptions.rootDir !== options.rootDir) || - (oldOptions.configFilePath !== options.configFilePath) || - (oldOptions.baseUrl !== options.baseUrl) || - (oldOptions.maxNodeModuleJsDepth !== options.maxNodeModuleJsDepth) || - !ts.arrayIsEqualTo(oldOptions.lib, options.lib) || - !ts.arrayIsEqualTo(oldOptions.typeRoots, oldOptions.typeRoots) || - !ts.arrayIsEqualTo(oldOptions.rootDirs, options.rootDirs) || - !ts.equalOwnProperties(oldOptions.paths, options.paths)) { + if (ts.changesAffectModuleResolution(oldOptions, options)) { return false; } ts.Debug.assert(!oldProgram.structureIsReused); @@ -48578,8 +47526,7 @@ var ts; function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) { return runWithCancellationToken(function () { var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); - var writeFile = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile); + return ts.getDeclarationDiagnostics(getEmitHost(ts.noop), resolver, sourceFile); }); } function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { @@ -49626,7 +48573,11 @@ var ts; i++; break; case "boolean": - options[opt.name] = true; + var optValue = args[i]; + options[opt.name] = optValue !== "false"; + if (optValue === "false" || optValue === "true") { + i++; + } break; case "string": options[opt.name] = args[i] || ""; @@ -49885,6 +48836,9 @@ var ts; if (ts.hasProperty(json, "files")) { if (ts.isArray(json["files"])) { fileNames = json["files"]; + if (fileNames.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json")); + } } else { errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); @@ -49921,7 +48875,11 @@ var ts; if (fileNames === undefined && includeSpecs === undefined) { includeSpecs = ["**/*"]; } - return matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + if (result.fileNames.length === 0 && !ts.hasProperty(json, "files") && resolutionStack.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || []))); + } + return result; } var _b; } @@ -50539,10 +49497,13 @@ var ts; startTimerForHandlingDirectoryChanges(); } function startTimerForHandlingDirectoryChanges() { + if (!ts.sys.setTimeout || !ts.sys.clearTimeout) { + return; + } if (timerHandleForDirectoryChanges) { - clearTimeout(timerHandleForDirectoryChanges); + ts.sys.clearTimeout(timerHandleForDirectoryChanges); } - timerHandleForDirectoryChanges = setTimeout(directoryChangeHandler, 250); + timerHandleForDirectoryChanges = ts.sys.setTimeout(directoryChangeHandler, 250); } function directoryChangeHandler() { var parsedCommandLine = parseConfigFile(); @@ -50554,10 +49515,13 @@ var ts; } } function startTimerForRecompilation() { + if (!ts.sys.setTimeout || !ts.sys.clearTimeout) { + return; + } if (timerHandleForRecompilation) { - clearTimeout(timerHandleForRecompilation); + ts.sys.clearTimeout(timerHandleForRecompilation); } - timerHandleForRecompilation = setTimeout(recompile, 250); + timerHandleForRecompilation = ts.sys.setTimeout(recompile, 250); } function recompile() { timerHandleForRecompilation = undefined; @@ -50765,5 +49729,3 @@ if (ts.sys.tryEnableSourceMapsForHost && /^development$/i.test(ts.sys.getEnviron ts.sys.tryEnableSourceMapsForHost(); } ts.executeCommandLine(ts.sys.args); - -//# sourceMappingURL=tsc.js.map diff --git a/lib/tsserver.js b/lib/tsserver.js index be6578b076203..bf19f2ab33603 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -20,418 +20,6 @@ var __extends = (this && this.__extends) || function (d, b) { }; var ts; (function (ts) { - (function (SyntaxKind) { - SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; - SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; - SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; - SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; - SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; - SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; - SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; - SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; - SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; - SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; - SyntaxKind[SyntaxKind["JsxText"] = 10] = "JsxText"; - SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 11] = "RegularExpressionLiteral"; - SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 12] = "NoSubstitutionTemplateLiteral"; - SyntaxKind[SyntaxKind["TemplateHead"] = 13] = "TemplateHead"; - SyntaxKind[SyntaxKind["TemplateMiddle"] = 14] = "TemplateMiddle"; - SyntaxKind[SyntaxKind["TemplateTail"] = 15] = "TemplateTail"; - SyntaxKind[SyntaxKind["OpenBraceToken"] = 16] = "OpenBraceToken"; - SyntaxKind[SyntaxKind["CloseBraceToken"] = 17] = "CloseBraceToken"; - SyntaxKind[SyntaxKind["OpenParenToken"] = 18] = "OpenParenToken"; - SyntaxKind[SyntaxKind["CloseParenToken"] = 19] = "CloseParenToken"; - SyntaxKind[SyntaxKind["OpenBracketToken"] = 20] = "OpenBracketToken"; - SyntaxKind[SyntaxKind["CloseBracketToken"] = 21] = "CloseBracketToken"; - SyntaxKind[SyntaxKind["DotToken"] = 22] = "DotToken"; - SyntaxKind[SyntaxKind["DotDotDotToken"] = 23] = "DotDotDotToken"; - SyntaxKind[SyntaxKind["SemicolonToken"] = 24] = "SemicolonToken"; - SyntaxKind[SyntaxKind["CommaToken"] = 25] = "CommaToken"; - SyntaxKind[SyntaxKind["LessThanToken"] = 26] = "LessThanToken"; - SyntaxKind[SyntaxKind["LessThanSlashToken"] = 27] = "LessThanSlashToken"; - SyntaxKind[SyntaxKind["GreaterThanToken"] = 28] = "GreaterThanToken"; - SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 29] = "LessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 30] = "GreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 31] = "EqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 32] = "ExclamationEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 33] = "EqualsEqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 34] = "ExclamationEqualsEqualsToken"; - SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 35] = "EqualsGreaterThanToken"; - SyntaxKind[SyntaxKind["PlusToken"] = 36] = "PlusToken"; - SyntaxKind[SyntaxKind["MinusToken"] = 37] = "MinusToken"; - SyntaxKind[SyntaxKind["AsteriskToken"] = 38] = "AsteriskToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 39] = "AsteriskAsteriskToken"; - SyntaxKind[SyntaxKind["SlashToken"] = 40] = "SlashToken"; - SyntaxKind[SyntaxKind["PercentToken"] = 41] = "PercentToken"; - SyntaxKind[SyntaxKind["PlusPlusToken"] = 42] = "PlusPlusToken"; - SyntaxKind[SyntaxKind["MinusMinusToken"] = 43] = "MinusMinusToken"; - SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 44] = "LessThanLessThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 46] = "GreaterThanGreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["AmpersandToken"] = 47] = "AmpersandToken"; - SyntaxKind[SyntaxKind["BarToken"] = 48] = "BarToken"; - SyntaxKind[SyntaxKind["CaretToken"] = 49] = "CaretToken"; - SyntaxKind[SyntaxKind["ExclamationToken"] = 50] = "ExclamationToken"; - SyntaxKind[SyntaxKind["TildeToken"] = 51] = "TildeToken"; - SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 52] = "AmpersandAmpersandToken"; - SyntaxKind[SyntaxKind["BarBarToken"] = 53] = "BarBarToken"; - SyntaxKind[SyntaxKind["QuestionToken"] = 54] = "QuestionToken"; - SyntaxKind[SyntaxKind["ColonToken"] = 55] = "ColonToken"; - SyntaxKind[SyntaxKind["AtToken"] = 56] = "AtToken"; - SyntaxKind[SyntaxKind["EqualsToken"] = 57] = "EqualsToken"; - SyntaxKind[SyntaxKind["PlusEqualsToken"] = 58] = "PlusEqualsToken"; - SyntaxKind[SyntaxKind["MinusEqualsToken"] = 59] = "MinusEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 60] = "AsteriskEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 61] = "AsteriskAsteriskEqualsToken"; - SyntaxKind[SyntaxKind["SlashEqualsToken"] = 62] = "SlashEqualsToken"; - SyntaxKind[SyntaxKind["PercentEqualsToken"] = 63] = "PercentEqualsToken"; - SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 64] = "LessThanLessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 66] = "GreaterThanGreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 67] = "AmpersandEqualsToken"; - SyntaxKind[SyntaxKind["BarEqualsToken"] = 68] = "BarEqualsToken"; - SyntaxKind[SyntaxKind["CaretEqualsToken"] = 69] = "CaretEqualsToken"; - SyntaxKind[SyntaxKind["Identifier"] = 70] = "Identifier"; - SyntaxKind[SyntaxKind["BreakKeyword"] = 71] = "BreakKeyword"; - SyntaxKind[SyntaxKind["CaseKeyword"] = 72] = "CaseKeyword"; - SyntaxKind[SyntaxKind["CatchKeyword"] = 73] = "CatchKeyword"; - SyntaxKind[SyntaxKind["ClassKeyword"] = 74] = "ClassKeyword"; - SyntaxKind[SyntaxKind["ConstKeyword"] = 75] = "ConstKeyword"; - SyntaxKind[SyntaxKind["ContinueKeyword"] = 76] = "ContinueKeyword"; - SyntaxKind[SyntaxKind["DebuggerKeyword"] = 77] = "DebuggerKeyword"; - SyntaxKind[SyntaxKind["DefaultKeyword"] = 78] = "DefaultKeyword"; - SyntaxKind[SyntaxKind["DeleteKeyword"] = 79] = "DeleteKeyword"; - SyntaxKind[SyntaxKind["DoKeyword"] = 80] = "DoKeyword"; - SyntaxKind[SyntaxKind["ElseKeyword"] = 81] = "ElseKeyword"; - SyntaxKind[SyntaxKind["EnumKeyword"] = 82] = "EnumKeyword"; - SyntaxKind[SyntaxKind["ExportKeyword"] = 83] = "ExportKeyword"; - SyntaxKind[SyntaxKind["ExtendsKeyword"] = 84] = "ExtendsKeyword"; - SyntaxKind[SyntaxKind["FalseKeyword"] = 85] = "FalseKeyword"; - SyntaxKind[SyntaxKind["FinallyKeyword"] = 86] = "FinallyKeyword"; - SyntaxKind[SyntaxKind["ForKeyword"] = 87] = "ForKeyword"; - SyntaxKind[SyntaxKind["FunctionKeyword"] = 88] = "FunctionKeyword"; - SyntaxKind[SyntaxKind["IfKeyword"] = 89] = "IfKeyword"; - SyntaxKind[SyntaxKind["ImportKeyword"] = 90] = "ImportKeyword"; - SyntaxKind[SyntaxKind["InKeyword"] = 91] = "InKeyword"; - SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 92] = "InstanceOfKeyword"; - SyntaxKind[SyntaxKind["NewKeyword"] = 93] = "NewKeyword"; - SyntaxKind[SyntaxKind["NullKeyword"] = 94] = "NullKeyword"; - SyntaxKind[SyntaxKind["ReturnKeyword"] = 95] = "ReturnKeyword"; - SyntaxKind[SyntaxKind["SuperKeyword"] = 96] = "SuperKeyword"; - SyntaxKind[SyntaxKind["SwitchKeyword"] = 97] = "SwitchKeyword"; - SyntaxKind[SyntaxKind["ThisKeyword"] = 98] = "ThisKeyword"; - SyntaxKind[SyntaxKind["ThrowKeyword"] = 99] = "ThrowKeyword"; - SyntaxKind[SyntaxKind["TrueKeyword"] = 100] = "TrueKeyword"; - SyntaxKind[SyntaxKind["TryKeyword"] = 101] = "TryKeyword"; - SyntaxKind[SyntaxKind["TypeOfKeyword"] = 102] = "TypeOfKeyword"; - SyntaxKind[SyntaxKind["VarKeyword"] = 103] = "VarKeyword"; - SyntaxKind[SyntaxKind["VoidKeyword"] = 104] = "VoidKeyword"; - SyntaxKind[SyntaxKind["WhileKeyword"] = 105] = "WhileKeyword"; - SyntaxKind[SyntaxKind["WithKeyword"] = 106] = "WithKeyword"; - SyntaxKind[SyntaxKind["ImplementsKeyword"] = 107] = "ImplementsKeyword"; - SyntaxKind[SyntaxKind["InterfaceKeyword"] = 108] = "InterfaceKeyword"; - SyntaxKind[SyntaxKind["LetKeyword"] = 109] = "LetKeyword"; - SyntaxKind[SyntaxKind["PackageKeyword"] = 110] = "PackageKeyword"; - SyntaxKind[SyntaxKind["PrivateKeyword"] = 111] = "PrivateKeyword"; - SyntaxKind[SyntaxKind["ProtectedKeyword"] = 112] = "ProtectedKeyword"; - SyntaxKind[SyntaxKind["PublicKeyword"] = 113] = "PublicKeyword"; - SyntaxKind[SyntaxKind["StaticKeyword"] = 114] = "StaticKeyword"; - SyntaxKind[SyntaxKind["YieldKeyword"] = 115] = "YieldKeyword"; - SyntaxKind[SyntaxKind["AbstractKeyword"] = 116] = "AbstractKeyword"; - SyntaxKind[SyntaxKind["AsKeyword"] = 117] = "AsKeyword"; - SyntaxKind[SyntaxKind["AnyKeyword"] = 118] = "AnyKeyword"; - SyntaxKind[SyntaxKind["AsyncKeyword"] = 119] = "AsyncKeyword"; - SyntaxKind[SyntaxKind["AwaitKeyword"] = 120] = "AwaitKeyword"; - SyntaxKind[SyntaxKind["BooleanKeyword"] = 121] = "BooleanKeyword"; - SyntaxKind[SyntaxKind["ConstructorKeyword"] = 122] = "ConstructorKeyword"; - SyntaxKind[SyntaxKind["DeclareKeyword"] = 123] = "DeclareKeyword"; - SyntaxKind[SyntaxKind["GetKeyword"] = 124] = "GetKeyword"; - SyntaxKind[SyntaxKind["IsKeyword"] = 125] = "IsKeyword"; - SyntaxKind[SyntaxKind["ModuleKeyword"] = 126] = "ModuleKeyword"; - SyntaxKind[SyntaxKind["NamespaceKeyword"] = 127] = "NamespaceKeyword"; - SyntaxKind[SyntaxKind["NeverKeyword"] = 128] = "NeverKeyword"; - SyntaxKind[SyntaxKind["ReadonlyKeyword"] = 129] = "ReadonlyKeyword"; - SyntaxKind[SyntaxKind["RequireKeyword"] = 130] = "RequireKeyword"; - SyntaxKind[SyntaxKind["NumberKeyword"] = 131] = "NumberKeyword"; - SyntaxKind[SyntaxKind["SetKeyword"] = 132] = "SetKeyword"; - SyntaxKind[SyntaxKind["StringKeyword"] = 133] = "StringKeyword"; - SyntaxKind[SyntaxKind["SymbolKeyword"] = 134] = "SymbolKeyword"; - SyntaxKind[SyntaxKind["TypeKeyword"] = 135] = "TypeKeyword"; - SyntaxKind[SyntaxKind["UndefinedKeyword"] = 136] = "UndefinedKeyword"; - SyntaxKind[SyntaxKind["FromKeyword"] = 137] = "FromKeyword"; - SyntaxKind[SyntaxKind["GlobalKeyword"] = 138] = "GlobalKeyword"; - SyntaxKind[SyntaxKind["OfKeyword"] = 139] = "OfKeyword"; - SyntaxKind[SyntaxKind["QualifiedName"] = 140] = "QualifiedName"; - SyntaxKind[SyntaxKind["ComputedPropertyName"] = 141] = "ComputedPropertyName"; - SyntaxKind[SyntaxKind["TypeParameter"] = 142] = "TypeParameter"; - SyntaxKind[SyntaxKind["Parameter"] = 143] = "Parameter"; - SyntaxKind[SyntaxKind["Decorator"] = 144] = "Decorator"; - SyntaxKind[SyntaxKind["PropertySignature"] = 145] = "PropertySignature"; - SyntaxKind[SyntaxKind["PropertyDeclaration"] = 146] = "PropertyDeclaration"; - SyntaxKind[SyntaxKind["MethodSignature"] = 147] = "MethodSignature"; - SyntaxKind[SyntaxKind["MethodDeclaration"] = 148] = "MethodDeclaration"; - SyntaxKind[SyntaxKind["Constructor"] = 149] = "Constructor"; - SyntaxKind[SyntaxKind["GetAccessor"] = 150] = "GetAccessor"; - SyntaxKind[SyntaxKind["SetAccessor"] = 151] = "SetAccessor"; - SyntaxKind[SyntaxKind["CallSignature"] = 152] = "CallSignature"; - SyntaxKind[SyntaxKind["ConstructSignature"] = 153] = "ConstructSignature"; - SyntaxKind[SyntaxKind["IndexSignature"] = 154] = "IndexSignature"; - SyntaxKind[SyntaxKind["TypePredicate"] = 155] = "TypePredicate"; - SyntaxKind[SyntaxKind["TypeReference"] = 156] = "TypeReference"; - SyntaxKind[SyntaxKind["FunctionType"] = 157] = "FunctionType"; - SyntaxKind[SyntaxKind["ConstructorType"] = 158] = "ConstructorType"; - SyntaxKind[SyntaxKind["TypeQuery"] = 159] = "TypeQuery"; - SyntaxKind[SyntaxKind["TypeLiteral"] = 160] = "TypeLiteral"; - SyntaxKind[SyntaxKind["ArrayType"] = 161] = "ArrayType"; - SyntaxKind[SyntaxKind["TupleType"] = 162] = "TupleType"; - SyntaxKind[SyntaxKind["UnionType"] = 163] = "UnionType"; - SyntaxKind[SyntaxKind["IntersectionType"] = 164] = "IntersectionType"; - SyntaxKind[SyntaxKind["ParenthesizedType"] = 165] = "ParenthesizedType"; - SyntaxKind[SyntaxKind["ThisType"] = 166] = "ThisType"; - SyntaxKind[SyntaxKind["LiteralType"] = 167] = "LiteralType"; - SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 168] = "ObjectBindingPattern"; - SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 169] = "ArrayBindingPattern"; - SyntaxKind[SyntaxKind["BindingElement"] = 170] = "BindingElement"; - SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 171] = "ArrayLiteralExpression"; - SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 172] = "ObjectLiteralExpression"; - SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 173] = "PropertyAccessExpression"; - SyntaxKind[SyntaxKind["ElementAccessExpression"] = 174] = "ElementAccessExpression"; - SyntaxKind[SyntaxKind["CallExpression"] = 175] = "CallExpression"; - SyntaxKind[SyntaxKind["NewExpression"] = 176] = "NewExpression"; - SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 177] = "TaggedTemplateExpression"; - SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 178] = "TypeAssertionExpression"; - SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 179] = "ParenthesizedExpression"; - SyntaxKind[SyntaxKind["FunctionExpression"] = 180] = "FunctionExpression"; - SyntaxKind[SyntaxKind["ArrowFunction"] = 181] = "ArrowFunction"; - SyntaxKind[SyntaxKind["DeleteExpression"] = 182] = "DeleteExpression"; - SyntaxKind[SyntaxKind["TypeOfExpression"] = 183] = "TypeOfExpression"; - SyntaxKind[SyntaxKind["VoidExpression"] = 184] = "VoidExpression"; - SyntaxKind[SyntaxKind["AwaitExpression"] = 185] = "AwaitExpression"; - SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 186] = "PrefixUnaryExpression"; - SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 187] = "PostfixUnaryExpression"; - SyntaxKind[SyntaxKind["BinaryExpression"] = 188] = "BinaryExpression"; - SyntaxKind[SyntaxKind["ConditionalExpression"] = 189] = "ConditionalExpression"; - SyntaxKind[SyntaxKind["TemplateExpression"] = 190] = "TemplateExpression"; - SyntaxKind[SyntaxKind["YieldExpression"] = 191] = "YieldExpression"; - SyntaxKind[SyntaxKind["SpreadElementExpression"] = 192] = "SpreadElementExpression"; - SyntaxKind[SyntaxKind["ClassExpression"] = 193] = "ClassExpression"; - SyntaxKind[SyntaxKind["OmittedExpression"] = 194] = "OmittedExpression"; - SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 195] = "ExpressionWithTypeArguments"; - SyntaxKind[SyntaxKind["AsExpression"] = 196] = "AsExpression"; - SyntaxKind[SyntaxKind["NonNullExpression"] = 197] = "NonNullExpression"; - SyntaxKind[SyntaxKind["TemplateSpan"] = 198] = "TemplateSpan"; - SyntaxKind[SyntaxKind["SemicolonClassElement"] = 199] = "SemicolonClassElement"; - SyntaxKind[SyntaxKind["Block"] = 200] = "Block"; - SyntaxKind[SyntaxKind["VariableStatement"] = 201] = "VariableStatement"; - SyntaxKind[SyntaxKind["EmptyStatement"] = 202] = "EmptyStatement"; - SyntaxKind[SyntaxKind["ExpressionStatement"] = 203] = "ExpressionStatement"; - SyntaxKind[SyntaxKind["IfStatement"] = 204] = "IfStatement"; - SyntaxKind[SyntaxKind["DoStatement"] = 205] = "DoStatement"; - SyntaxKind[SyntaxKind["WhileStatement"] = 206] = "WhileStatement"; - SyntaxKind[SyntaxKind["ForStatement"] = 207] = "ForStatement"; - SyntaxKind[SyntaxKind["ForInStatement"] = 208] = "ForInStatement"; - SyntaxKind[SyntaxKind["ForOfStatement"] = 209] = "ForOfStatement"; - SyntaxKind[SyntaxKind["ContinueStatement"] = 210] = "ContinueStatement"; - SyntaxKind[SyntaxKind["BreakStatement"] = 211] = "BreakStatement"; - SyntaxKind[SyntaxKind["ReturnStatement"] = 212] = "ReturnStatement"; - SyntaxKind[SyntaxKind["WithStatement"] = 213] = "WithStatement"; - SyntaxKind[SyntaxKind["SwitchStatement"] = 214] = "SwitchStatement"; - SyntaxKind[SyntaxKind["LabeledStatement"] = 215] = "LabeledStatement"; - SyntaxKind[SyntaxKind["ThrowStatement"] = 216] = "ThrowStatement"; - SyntaxKind[SyntaxKind["TryStatement"] = 217] = "TryStatement"; - SyntaxKind[SyntaxKind["DebuggerStatement"] = 218] = "DebuggerStatement"; - SyntaxKind[SyntaxKind["VariableDeclaration"] = 219] = "VariableDeclaration"; - SyntaxKind[SyntaxKind["VariableDeclarationList"] = 220] = "VariableDeclarationList"; - SyntaxKind[SyntaxKind["FunctionDeclaration"] = 221] = "FunctionDeclaration"; - SyntaxKind[SyntaxKind["ClassDeclaration"] = 222] = "ClassDeclaration"; - SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 223] = "InterfaceDeclaration"; - SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 224] = "TypeAliasDeclaration"; - SyntaxKind[SyntaxKind["EnumDeclaration"] = 225] = "EnumDeclaration"; - SyntaxKind[SyntaxKind["ModuleDeclaration"] = 226] = "ModuleDeclaration"; - SyntaxKind[SyntaxKind["ModuleBlock"] = 227] = "ModuleBlock"; - SyntaxKind[SyntaxKind["CaseBlock"] = 228] = "CaseBlock"; - SyntaxKind[SyntaxKind["NamespaceExportDeclaration"] = 229] = "NamespaceExportDeclaration"; - SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 230] = "ImportEqualsDeclaration"; - SyntaxKind[SyntaxKind["ImportDeclaration"] = 231] = "ImportDeclaration"; - SyntaxKind[SyntaxKind["ImportClause"] = 232] = "ImportClause"; - SyntaxKind[SyntaxKind["NamespaceImport"] = 233] = "NamespaceImport"; - SyntaxKind[SyntaxKind["NamedImports"] = 234] = "NamedImports"; - SyntaxKind[SyntaxKind["ImportSpecifier"] = 235] = "ImportSpecifier"; - SyntaxKind[SyntaxKind["ExportAssignment"] = 236] = "ExportAssignment"; - SyntaxKind[SyntaxKind["ExportDeclaration"] = 237] = "ExportDeclaration"; - SyntaxKind[SyntaxKind["NamedExports"] = 238] = "NamedExports"; - SyntaxKind[SyntaxKind["ExportSpecifier"] = 239] = "ExportSpecifier"; - SyntaxKind[SyntaxKind["MissingDeclaration"] = 240] = "MissingDeclaration"; - SyntaxKind[SyntaxKind["ExternalModuleReference"] = 241] = "ExternalModuleReference"; - SyntaxKind[SyntaxKind["JsxElement"] = 242] = "JsxElement"; - SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 243] = "JsxSelfClosingElement"; - SyntaxKind[SyntaxKind["JsxOpeningElement"] = 244] = "JsxOpeningElement"; - SyntaxKind[SyntaxKind["JsxClosingElement"] = 245] = "JsxClosingElement"; - SyntaxKind[SyntaxKind["JsxAttribute"] = 246] = "JsxAttribute"; - SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 247] = "JsxSpreadAttribute"; - SyntaxKind[SyntaxKind["JsxExpression"] = 248] = "JsxExpression"; - SyntaxKind[SyntaxKind["CaseClause"] = 249] = "CaseClause"; - SyntaxKind[SyntaxKind["DefaultClause"] = 250] = "DefaultClause"; - SyntaxKind[SyntaxKind["HeritageClause"] = 251] = "HeritageClause"; - SyntaxKind[SyntaxKind["CatchClause"] = 252] = "CatchClause"; - SyntaxKind[SyntaxKind["PropertyAssignment"] = 253] = "PropertyAssignment"; - SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 254] = "ShorthandPropertyAssignment"; - SyntaxKind[SyntaxKind["EnumMember"] = 255] = "EnumMember"; - SyntaxKind[SyntaxKind["SourceFile"] = 256] = "SourceFile"; - SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 257] = "JSDocTypeExpression"; - SyntaxKind[SyntaxKind["JSDocAllType"] = 258] = "JSDocAllType"; - SyntaxKind[SyntaxKind["JSDocUnknownType"] = 259] = "JSDocUnknownType"; - SyntaxKind[SyntaxKind["JSDocArrayType"] = 260] = "JSDocArrayType"; - SyntaxKind[SyntaxKind["JSDocUnionType"] = 261] = "JSDocUnionType"; - SyntaxKind[SyntaxKind["JSDocTupleType"] = 262] = "JSDocTupleType"; - SyntaxKind[SyntaxKind["JSDocNullableType"] = 263] = "JSDocNullableType"; - SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 264] = "JSDocNonNullableType"; - SyntaxKind[SyntaxKind["JSDocRecordType"] = 265] = "JSDocRecordType"; - SyntaxKind[SyntaxKind["JSDocRecordMember"] = 266] = "JSDocRecordMember"; - SyntaxKind[SyntaxKind["JSDocTypeReference"] = 267] = "JSDocTypeReference"; - SyntaxKind[SyntaxKind["JSDocOptionalType"] = 268] = "JSDocOptionalType"; - SyntaxKind[SyntaxKind["JSDocFunctionType"] = 269] = "JSDocFunctionType"; - SyntaxKind[SyntaxKind["JSDocVariadicType"] = 270] = "JSDocVariadicType"; - SyntaxKind[SyntaxKind["JSDocConstructorType"] = 271] = "JSDocConstructorType"; - SyntaxKind[SyntaxKind["JSDocThisType"] = 272] = "JSDocThisType"; - SyntaxKind[SyntaxKind["JSDocComment"] = 273] = "JSDocComment"; - SyntaxKind[SyntaxKind["JSDocTag"] = 274] = "JSDocTag"; - SyntaxKind[SyntaxKind["JSDocParameterTag"] = 275] = "JSDocParameterTag"; - SyntaxKind[SyntaxKind["JSDocReturnTag"] = 276] = "JSDocReturnTag"; - SyntaxKind[SyntaxKind["JSDocTypeTag"] = 277] = "JSDocTypeTag"; - SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 278] = "JSDocTemplateTag"; - SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 279] = "JSDocTypedefTag"; - SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 280] = "JSDocPropertyTag"; - SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 281] = "JSDocTypeLiteral"; - SyntaxKind[SyntaxKind["JSDocLiteralType"] = 282] = "JSDocLiteralType"; - SyntaxKind[SyntaxKind["JSDocNullKeyword"] = 283] = "JSDocNullKeyword"; - SyntaxKind[SyntaxKind["JSDocUndefinedKeyword"] = 284] = "JSDocUndefinedKeyword"; - SyntaxKind[SyntaxKind["JSDocNeverKeyword"] = 285] = "JSDocNeverKeyword"; - SyntaxKind[SyntaxKind["SyntaxList"] = 286] = "SyntaxList"; - SyntaxKind[SyntaxKind["NotEmittedStatement"] = 287] = "NotEmittedStatement"; - SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 288] = "PartiallyEmittedExpression"; - SyntaxKind[SyntaxKind["Count"] = 289] = "Count"; - SyntaxKind[SyntaxKind["FirstAssignment"] = 57] = "FirstAssignment"; - SyntaxKind[SyntaxKind["LastAssignment"] = 69] = "LastAssignment"; - SyntaxKind[SyntaxKind["FirstCompoundAssignment"] = 58] = "FirstCompoundAssignment"; - SyntaxKind[SyntaxKind["LastCompoundAssignment"] = 69] = "LastCompoundAssignment"; - SyntaxKind[SyntaxKind["FirstReservedWord"] = 71] = "FirstReservedWord"; - SyntaxKind[SyntaxKind["LastReservedWord"] = 106] = "LastReservedWord"; - SyntaxKind[SyntaxKind["FirstKeyword"] = 71] = "FirstKeyword"; - SyntaxKind[SyntaxKind["LastKeyword"] = 139] = "LastKeyword"; - SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 107] = "FirstFutureReservedWord"; - SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 115] = "LastFutureReservedWord"; - SyntaxKind[SyntaxKind["FirstTypeNode"] = 155] = "FirstTypeNode"; - SyntaxKind[SyntaxKind["LastTypeNode"] = 167] = "LastTypeNode"; - SyntaxKind[SyntaxKind["FirstPunctuation"] = 16] = "FirstPunctuation"; - SyntaxKind[SyntaxKind["LastPunctuation"] = 69] = "LastPunctuation"; - SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; - SyntaxKind[SyntaxKind["LastToken"] = 139] = "LastToken"; - SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; - SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; - SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; - SyntaxKind[SyntaxKind["LastLiteralToken"] = 12] = "LastLiteralToken"; - SyntaxKind[SyntaxKind["FirstTemplateToken"] = 12] = "FirstTemplateToken"; - SyntaxKind[SyntaxKind["LastTemplateToken"] = 15] = "LastTemplateToken"; - SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 26] = "FirstBinaryOperator"; - SyntaxKind[SyntaxKind["LastBinaryOperator"] = 69] = "LastBinaryOperator"; - SyntaxKind[SyntaxKind["FirstNode"] = 140] = "FirstNode"; - SyntaxKind[SyntaxKind["FirstJSDocNode"] = 257] = "FirstJSDocNode"; - SyntaxKind[SyntaxKind["LastJSDocNode"] = 282] = "LastJSDocNode"; - SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 273] = "FirstJSDocTagNode"; - SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 285] = "LastJSDocTagNode"; - })(ts.SyntaxKind || (ts.SyntaxKind = {})); - var SyntaxKind = ts.SyntaxKind; - (function (NodeFlags) { - NodeFlags[NodeFlags["None"] = 0] = "None"; - NodeFlags[NodeFlags["Let"] = 1] = "Let"; - NodeFlags[NodeFlags["Const"] = 2] = "Const"; - NodeFlags[NodeFlags["NestedNamespace"] = 4] = "NestedNamespace"; - NodeFlags[NodeFlags["Synthesized"] = 8] = "Synthesized"; - NodeFlags[NodeFlags["Namespace"] = 16] = "Namespace"; - NodeFlags[NodeFlags["ExportContext"] = 32] = "ExportContext"; - NodeFlags[NodeFlags["ContainsThis"] = 64] = "ContainsThis"; - NodeFlags[NodeFlags["HasImplicitReturn"] = 128] = "HasImplicitReturn"; - NodeFlags[NodeFlags["HasExplicitReturn"] = 256] = "HasExplicitReturn"; - NodeFlags[NodeFlags["GlobalAugmentation"] = 512] = "GlobalAugmentation"; - NodeFlags[NodeFlags["HasClassExtends"] = 1024] = "HasClassExtends"; - NodeFlags[NodeFlags["HasDecorators"] = 2048] = "HasDecorators"; - NodeFlags[NodeFlags["HasParamDecorators"] = 4096] = "HasParamDecorators"; - NodeFlags[NodeFlags["HasAsyncFunctions"] = 8192] = "HasAsyncFunctions"; - NodeFlags[NodeFlags["HasJsxSpreadAttributes"] = 16384] = "HasJsxSpreadAttributes"; - NodeFlags[NodeFlags["DisallowInContext"] = 32768] = "DisallowInContext"; - NodeFlags[NodeFlags["YieldContext"] = 65536] = "YieldContext"; - NodeFlags[NodeFlags["DecoratorContext"] = 131072] = "DecoratorContext"; - NodeFlags[NodeFlags["AwaitContext"] = 262144] = "AwaitContext"; - NodeFlags[NodeFlags["ThisNodeHasError"] = 524288] = "ThisNodeHasError"; - NodeFlags[NodeFlags["JavaScriptFile"] = 1048576] = "JavaScriptFile"; - NodeFlags[NodeFlags["ThisNodeOrAnySubNodesHasError"] = 2097152] = "ThisNodeOrAnySubNodesHasError"; - NodeFlags[NodeFlags["HasAggregatedChildData"] = 4194304] = "HasAggregatedChildData"; - NodeFlags[NodeFlags["BlockScoped"] = 3] = "BlockScoped"; - NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 384] = "ReachabilityCheckFlags"; - NodeFlags[NodeFlags["EmitHelperFlags"] = 31744] = "EmitHelperFlags"; - NodeFlags[NodeFlags["ReachabilityAndEmitFlags"] = 32128] = "ReachabilityAndEmitFlags"; - NodeFlags[NodeFlags["ContextFlags"] = 1540096] = "ContextFlags"; - NodeFlags[NodeFlags["TypeExcludesFlags"] = 327680] = "TypeExcludesFlags"; - })(ts.NodeFlags || (ts.NodeFlags = {})); - var NodeFlags = ts.NodeFlags; - (function (ModifierFlags) { - ModifierFlags[ModifierFlags["None"] = 0] = "None"; - ModifierFlags[ModifierFlags["Export"] = 1] = "Export"; - ModifierFlags[ModifierFlags["Ambient"] = 2] = "Ambient"; - ModifierFlags[ModifierFlags["Public"] = 4] = "Public"; - ModifierFlags[ModifierFlags["Private"] = 8] = "Private"; - ModifierFlags[ModifierFlags["Protected"] = 16] = "Protected"; - ModifierFlags[ModifierFlags["Static"] = 32] = "Static"; - ModifierFlags[ModifierFlags["Readonly"] = 64] = "Readonly"; - ModifierFlags[ModifierFlags["Abstract"] = 128] = "Abstract"; - ModifierFlags[ModifierFlags["Async"] = 256] = "Async"; - ModifierFlags[ModifierFlags["Default"] = 512] = "Default"; - ModifierFlags[ModifierFlags["Const"] = 2048] = "Const"; - ModifierFlags[ModifierFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - ModifierFlags[ModifierFlags["AccessibilityModifier"] = 28] = "AccessibilityModifier"; - ModifierFlags[ModifierFlags["ParameterPropertyModifier"] = 92] = "ParameterPropertyModifier"; - ModifierFlags[ModifierFlags["NonPublicAccessibilityModifier"] = 24] = "NonPublicAccessibilityModifier"; - ModifierFlags[ModifierFlags["TypeScriptModifier"] = 2270] = "TypeScriptModifier"; - })(ts.ModifierFlags || (ts.ModifierFlags = {})); - var ModifierFlags = ts.ModifierFlags; - (function (JsxFlags) { - JsxFlags[JsxFlags["None"] = 0] = "None"; - JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; - JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; - JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; - })(ts.JsxFlags || (ts.JsxFlags = {})); - var JsxFlags = ts.JsxFlags; - (function (RelationComparisonResult) { - RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; - RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; - RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; - })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); - var RelationComparisonResult = ts.RelationComparisonResult; - (function (GeneratedIdentifierKind) { - GeneratedIdentifierKind[GeneratedIdentifierKind["None"] = 0] = "None"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Auto"] = 1] = "Auto"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Loop"] = 2] = "Loop"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Unique"] = 3] = "Unique"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Node"] = 4] = "Node"; - })(ts.GeneratedIdentifierKind || (ts.GeneratedIdentifierKind = {})); - var GeneratedIdentifierKind = ts.GeneratedIdentifierKind; - (function (FlowFlags) { - FlowFlags[FlowFlags["Unreachable"] = 1] = "Unreachable"; - FlowFlags[FlowFlags["Start"] = 2] = "Start"; - FlowFlags[FlowFlags["BranchLabel"] = 4] = "BranchLabel"; - FlowFlags[FlowFlags["LoopLabel"] = 8] = "LoopLabel"; - FlowFlags[FlowFlags["Assignment"] = 16] = "Assignment"; - FlowFlags[FlowFlags["TrueCondition"] = 32] = "TrueCondition"; - FlowFlags[FlowFlags["FalseCondition"] = 64] = "FalseCondition"; - FlowFlags[FlowFlags["SwitchClause"] = 128] = "SwitchClause"; - FlowFlags[FlowFlags["ArrayMutation"] = 256] = "ArrayMutation"; - FlowFlags[FlowFlags["Referenced"] = 512] = "Referenced"; - FlowFlags[FlowFlags["Shared"] = 1024] = "Shared"; - FlowFlags[FlowFlags["Label"] = 12] = "Label"; - FlowFlags[FlowFlags["Condition"] = 96] = "Condition"; - })(ts.FlowFlags || (ts.FlowFlags = {})); - var FlowFlags = ts.FlowFlags; var OperationCanceledException = (function () { function OperationCanceledException() { } @@ -444,38 +32,6 @@ var ts; ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; })(ts.ExitStatus || (ts.ExitStatus = {})); var ExitStatus = ts.ExitStatus; - (function (TypeFormatFlags) { - TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; - TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; - TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; - TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; - TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; - TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; - TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; - TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; - TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; - TypeFormatFlags[TypeFormatFlags["InFirstTypeArgument"] = 256] = "InFirstTypeArgument"; - TypeFormatFlags[TypeFormatFlags["InTypeAlias"] = 512] = "InTypeAlias"; - TypeFormatFlags[TypeFormatFlags["UseTypeAliasValue"] = 1024] = "UseTypeAliasValue"; - })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); - var TypeFormatFlags = ts.TypeFormatFlags; - (function (SymbolFormatFlags) { - SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; - SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; - SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; - })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); - var SymbolFormatFlags = ts.SymbolFormatFlags; - (function (SymbolAccessibility) { - SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; - SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; - SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; - })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); - var SymbolAccessibility = ts.SymbolAccessibility; - (function (TypePredicateKind) { - TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; - TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; - })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); - var TypePredicateKind = ts.TypePredicateKind; (function (TypeReferenceSerializationKind) { TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; @@ -490,166 +46,6 @@ var ts; TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 10] = "ObjectType"; })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (SymbolFlags) { - SymbolFlags[SymbolFlags["None"] = 0] = "None"; - SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; - SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; - SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; - SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; - SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; - SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; - SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; - SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; - SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; - SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; - SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; - SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; - SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; - SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; - SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; - SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; - SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; - SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; - SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; - SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; - SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; - SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; - SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; - SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; - SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; - SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; - SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; - SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; - SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; - SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; - SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; - SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; - SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; - SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; - SymbolFlags[SymbolFlags["Type"] = 793064] = "Type"; - SymbolFlags[SymbolFlags["Namespace"] = 1920] = "Namespace"; - SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; - SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; - SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; - SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; - SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; - SymbolFlags[SymbolFlags["PropertyExcludes"] = 0] = "PropertyExcludes"; - SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 900095] = "EnumMemberExcludes"; - SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; - SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; - SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792968] = "InterfaceExcludes"; - SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; - SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; - SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; - SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; - SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; - SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; - SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; - SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530920] = "TypeParameterExcludes"; - SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793064] = "TypeAliasExcludes"; - SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; - SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; - SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; - SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; - SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; - SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; - SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; - SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; - SymbolFlags[SymbolFlags["ClassMember"] = 106500] = "ClassMember"; - SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; - })(ts.SymbolFlags || (ts.SymbolFlags = {})); - var SymbolFlags = ts.SymbolFlags; - (function (NodeCheckFlags) { - NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; - NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; - NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; - NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; - NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; - NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; - NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; - NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; - NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; - NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; - NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; - NodeCheckFlags[NodeCheckFlags["AssignmentsMarked"] = 4194304] = "AssignmentsMarked"; - NodeCheckFlags[NodeCheckFlags["ClassWithConstructorReference"] = 8388608] = "ClassWithConstructorReference"; - NodeCheckFlags[NodeCheckFlags["ConstructorReferenceInClass"] = 16777216] = "ConstructorReferenceInClass"; - })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); - var NodeCheckFlags = ts.NodeCheckFlags; - (function (TypeFlags) { - TypeFlags[TypeFlags["Any"] = 1] = "Any"; - TypeFlags[TypeFlags["String"] = 2] = "String"; - TypeFlags[TypeFlags["Number"] = 4] = "Number"; - TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; - TypeFlags[TypeFlags["Enum"] = 16] = "Enum"; - TypeFlags[TypeFlags["StringLiteral"] = 32] = "StringLiteral"; - TypeFlags[TypeFlags["NumberLiteral"] = 64] = "NumberLiteral"; - TypeFlags[TypeFlags["BooleanLiteral"] = 128] = "BooleanLiteral"; - TypeFlags[TypeFlags["EnumLiteral"] = 256] = "EnumLiteral"; - TypeFlags[TypeFlags["ESSymbol"] = 512] = "ESSymbol"; - TypeFlags[TypeFlags["Void"] = 1024] = "Void"; - TypeFlags[TypeFlags["Undefined"] = 2048] = "Undefined"; - TypeFlags[TypeFlags["Null"] = 4096] = "Null"; - TypeFlags[TypeFlags["Never"] = 8192] = "Never"; - TypeFlags[TypeFlags["TypeParameter"] = 16384] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 32768] = "Class"; - TypeFlags[TypeFlags["Interface"] = 65536] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 131072] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 262144] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 524288] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 1048576] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 2097152] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 4194304] = "Instantiated"; - TypeFlags[TypeFlags["ObjectLiteral"] = 8388608] = "ObjectLiteral"; - TypeFlags[TypeFlags["FreshLiteral"] = 16777216] = "FreshLiteral"; - TypeFlags[TypeFlags["ContainsWideningType"] = 33554432] = "ContainsWideningType"; - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 67108864] = "ContainsObjectLiteral"; - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 134217728] = "ContainsAnyFunctionType"; - TypeFlags[TypeFlags["Nullable"] = 6144] = "Nullable"; - TypeFlags[TypeFlags["Literal"] = 480] = "Literal"; - TypeFlags[TypeFlags["StringOrNumberLiteral"] = 96] = "StringOrNumberLiteral"; - TypeFlags[TypeFlags["DefinitelyFalsy"] = 7392] = "DefinitelyFalsy"; - TypeFlags[TypeFlags["PossiblyFalsy"] = 7406] = "PossiblyFalsy"; - TypeFlags[TypeFlags["Intrinsic"] = 16015] = "Intrinsic"; - TypeFlags[TypeFlags["Primitive"] = 8190] = "Primitive"; - TypeFlags[TypeFlags["StringLike"] = 34] = "StringLike"; - TypeFlags[TypeFlags["NumberLike"] = 340] = "NumberLike"; - TypeFlags[TypeFlags["BooleanLike"] = 136] = "BooleanLike"; - TypeFlags[TypeFlags["EnumLike"] = 272] = "EnumLike"; - TypeFlags[TypeFlags["ObjectType"] = 2588672] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 1572864] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 4161536] = "StructuredType"; - TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 4177920] = "StructuredOrTypeParameter"; - TypeFlags[TypeFlags["Narrowable"] = 4178943] = "Narrowable"; - TypeFlags[TypeFlags["NotUnionOrUnit"] = 2589185] = "NotUnionOrUnit"; - TypeFlags[TypeFlags["RequiresWidening"] = 100663296] = "RequiresWidening"; - TypeFlags[TypeFlags["PropagatingFlags"] = 234881024] = "PropagatingFlags"; - })(ts.TypeFlags || (ts.TypeFlags = {})); - var TypeFlags = ts.TypeFlags; - (function (SignatureKind) { - SignatureKind[SignatureKind["Call"] = 0] = "Call"; - SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; - })(ts.SignatureKind || (ts.SignatureKind = {})); - var SignatureKind = ts.SignatureKind; - (function (IndexKind) { - IndexKind[IndexKind["String"] = 0] = "String"; - IndexKind[IndexKind["Number"] = 1] = "Number"; - })(ts.IndexKind || (ts.IndexKind = {})); - var IndexKind = ts.IndexKind; - (function (SpecialPropertyAssignmentKind) { - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; - })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); - var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; (function (DiagnosticCategory) { DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; @@ -670,264 +66,6 @@ var ts; ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; })(ts.ModuleKind || (ts.ModuleKind = {})); var ModuleKind = ts.ModuleKind; - (function (JsxEmit) { - JsxEmit[JsxEmit["None"] = 0] = "None"; - JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; - JsxEmit[JsxEmit["React"] = 2] = "React"; - })(ts.JsxEmit || (ts.JsxEmit = {})); - var JsxEmit = ts.JsxEmit; - (function (NewLineKind) { - NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; - NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; - })(ts.NewLineKind || (ts.NewLineKind = {})); - var NewLineKind = ts.NewLineKind; - (function (ScriptKind) { - ScriptKind[ScriptKind["Unknown"] = 0] = "Unknown"; - ScriptKind[ScriptKind["JS"] = 1] = "JS"; - ScriptKind[ScriptKind["JSX"] = 2] = "JSX"; - ScriptKind[ScriptKind["TS"] = 3] = "TS"; - ScriptKind[ScriptKind["TSX"] = 4] = "TSX"; - })(ts.ScriptKind || (ts.ScriptKind = {})); - var ScriptKind = ts.ScriptKind; - (function (ScriptTarget) { - ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; - ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; - ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; - ScriptTarget[ScriptTarget["ES2016"] = 3] = "ES2016"; - ScriptTarget[ScriptTarget["ES2017"] = 4] = "ES2017"; - ScriptTarget[ScriptTarget["Latest"] = 4] = "Latest"; - })(ts.ScriptTarget || (ts.ScriptTarget = {})); - var ScriptTarget = ts.ScriptTarget; - (function (LanguageVariant) { - LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; - LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; - })(ts.LanguageVariant || (ts.LanguageVariant = {})); - var LanguageVariant = ts.LanguageVariant; - (function (DiagnosticStyle) { - DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; - DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; - })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); - var DiagnosticStyle = ts.DiagnosticStyle; - (function (WatchDirectoryFlags) { - WatchDirectoryFlags[WatchDirectoryFlags["None"] = 0] = "None"; - WatchDirectoryFlags[WatchDirectoryFlags["Recursive"] = 1] = "Recursive"; - })(ts.WatchDirectoryFlags || (ts.WatchDirectoryFlags = {})); - var WatchDirectoryFlags = ts.WatchDirectoryFlags; - (function (CharacterCodes) { - CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; - CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; - CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; - CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; - CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; - CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; - CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; - CharacterCodes[CharacterCodes["space"] = 32] = "space"; - CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; - CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; - CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; - CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; - CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; - CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; - CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; - CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; - CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; - CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; - CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; - CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; - CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; - CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; - CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; - CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; - CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; - CharacterCodes[CharacterCodes["_"] = 95] = "_"; - CharacterCodes[CharacterCodes["$"] = 36] = "$"; - CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; - CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; - CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; - CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; - CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; - CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; - CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; - CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; - CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; - CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; - CharacterCodes[CharacterCodes["a"] = 97] = "a"; - CharacterCodes[CharacterCodes["b"] = 98] = "b"; - CharacterCodes[CharacterCodes["c"] = 99] = "c"; - CharacterCodes[CharacterCodes["d"] = 100] = "d"; - CharacterCodes[CharacterCodes["e"] = 101] = "e"; - CharacterCodes[CharacterCodes["f"] = 102] = "f"; - CharacterCodes[CharacterCodes["g"] = 103] = "g"; - CharacterCodes[CharacterCodes["h"] = 104] = "h"; - CharacterCodes[CharacterCodes["i"] = 105] = "i"; - CharacterCodes[CharacterCodes["j"] = 106] = "j"; - CharacterCodes[CharacterCodes["k"] = 107] = "k"; - CharacterCodes[CharacterCodes["l"] = 108] = "l"; - CharacterCodes[CharacterCodes["m"] = 109] = "m"; - CharacterCodes[CharacterCodes["n"] = 110] = "n"; - CharacterCodes[CharacterCodes["o"] = 111] = "o"; - CharacterCodes[CharacterCodes["p"] = 112] = "p"; - CharacterCodes[CharacterCodes["q"] = 113] = "q"; - CharacterCodes[CharacterCodes["r"] = 114] = "r"; - CharacterCodes[CharacterCodes["s"] = 115] = "s"; - CharacterCodes[CharacterCodes["t"] = 116] = "t"; - CharacterCodes[CharacterCodes["u"] = 117] = "u"; - CharacterCodes[CharacterCodes["v"] = 118] = "v"; - CharacterCodes[CharacterCodes["w"] = 119] = "w"; - CharacterCodes[CharacterCodes["x"] = 120] = "x"; - CharacterCodes[CharacterCodes["y"] = 121] = "y"; - CharacterCodes[CharacterCodes["z"] = 122] = "z"; - CharacterCodes[CharacterCodes["A"] = 65] = "A"; - CharacterCodes[CharacterCodes["B"] = 66] = "B"; - CharacterCodes[CharacterCodes["C"] = 67] = "C"; - CharacterCodes[CharacterCodes["D"] = 68] = "D"; - CharacterCodes[CharacterCodes["E"] = 69] = "E"; - CharacterCodes[CharacterCodes["F"] = 70] = "F"; - CharacterCodes[CharacterCodes["G"] = 71] = "G"; - CharacterCodes[CharacterCodes["H"] = 72] = "H"; - CharacterCodes[CharacterCodes["I"] = 73] = "I"; - CharacterCodes[CharacterCodes["J"] = 74] = "J"; - CharacterCodes[CharacterCodes["K"] = 75] = "K"; - CharacterCodes[CharacterCodes["L"] = 76] = "L"; - CharacterCodes[CharacterCodes["M"] = 77] = "M"; - CharacterCodes[CharacterCodes["N"] = 78] = "N"; - CharacterCodes[CharacterCodes["O"] = 79] = "O"; - CharacterCodes[CharacterCodes["P"] = 80] = "P"; - CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; - CharacterCodes[CharacterCodes["R"] = 82] = "R"; - CharacterCodes[CharacterCodes["S"] = 83] = "S"; - CharacterCodes[CharacterCodes["T"] = 84] = "T"; - CharacterCodes[CharacterCodes["U"] = 85] = "U"; - CharacterCodes[CharacterCodes["V"] = 86] = "V"; - CharacterCodes[CharacterCodes["W"] = 87] = "W"; - CharacterCodes[CharacterCodes["X"] = 88] = "X"; - CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; - CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; - CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; - CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; - CharacterCodes[CharacterCodes["at"] = 64] = "at"; - CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; - CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; - CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; - CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; - CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; - CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; - CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; - CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; - CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; - CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; - CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; - CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; - CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; - CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; - CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; - CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; - CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; - CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; - CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; - CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; - CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; - CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; - CharacterCodes[CharacterCodes["question"] = 63] = "question"; - CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; - CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; - CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; - CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; - CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; - CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; - CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; - CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; - CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; - })(ts.CharacterCodes || (ts.CharacterCodes = {})); - var CharacterCodes = ts.CharacterCodes; - (function (TransformFlags) { - TransformFlags[TransformFlags["None"] = 0] = "None"; - TransformFlags[TransformFlags["TypeScript"] = 1] = "TypeScript"; - TransformFlags[TransformFlags["ContainsTypeScript"] = 2] = "ContainsTypeScript"; - TransformFlags[TransformFlags["Jsx"] = 4] = "Jsx"; - TransformFlags[TransformFlags["ContainsJsx"] = 8] = "ContainsJsx"; - TransformFlags[TransformFlags["ES2017"] = 16] = "ES2017"; - TransformFlags[TransformFlags["ContainsES2017"] = 32] = "ContainsES2017"; - TransformFlags[TransformFlags["ES2016"] = 64] = "ES2016"; - TransformFlags[TransformFlags["ContainsES2016"] = 128] = "ContainsES2016"; - TransformFlags[TransformFlags["ES2015"] = 256] = "ES2015"; - TransformFlags[TransformFlags["ContainsES2015"] = 512] = "ContainsES2015"; - TransformFlags[TransformFlags["DestructuringAssignment"] = 1024] = "DestructuringAssignment"; - TransformFlags[TransformFlags["Generator"] = 2048] = "Generator"; - TransformFlags[TransformFlags["ContainsGenerator"] = 4096] = "ContainsGenerator"; - TransformFlags[TransformFlags["ContainsDecorators"] = 8192] = "ContainsDecorators"; - TransformFlags[TransformFlags["ContainsPropertyInitializer"] = 16384] = "ContainsPropertyInitializer"; - TransformFlags[TransformFlags["ContainsLexicalThis"] = 32768] = "ContainsLexicalThis"; - TransformFlags[TransformFlags["ContainsCapturedLexicalThis"] = 65536] = "ContainsCapturedLexicalThis"; - TransformFlags[TransformFlags["ContainsLexicalThisInComputedPropertyName"] = 131072] = "ContainsLexicalThisInComputedPropertyName"; - TransformFlags[TransformFlags["ContainsDefaultValueAssignments"] = 262144] = "ContainsDefaultValueAssignments"; - TransformFlags[TransformFlags["ContainsParameterPropertyAssignments"] = 524288] = "ContainsParameterPropertyAssignments"; - TransformFlags[TransformFlags["ContainsSpreadElementExpression"] = 1048576] = "ContainsSpreadElementExpression"; - TransformFlags[TransformFlags["ContainsComputedPropertyName"] = 2097152] = "ContainsComputedPropertyName"; - TransformFlags[TransformFlags["ContainsBlockScopedBinding"] = 4194304] = "ContainsBlockScopedBinding"; - TransformFlags[TransformFlags["ContainsBindingPattern"] = 8388608] = "ContainsBindingPattern"; - TransformFlags[TransformFlags["ContainsYield"] = 16777216] = "ContainsYield"; - TransformFlags[TransformFlags["ContainsHoistedDeclarationOrCompletion"] = 33554432] = "ContainsHoistedDeclarationOrCompletion"; - TransformFlags[TransformFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - TransformFlags[TransformFlags["AssertTypeScript"] = 3] = "AssertTypeScript"; - TransformFlags[TransformFlags["AssertJsx"] = 12] = "AssertJsx"; - TransformFlags[TransformFlags["AssertES2017"] = 48] = "AssertES2017"; - TransformFlags[TransformFlags["AssertES2016"] = 192] = "AssertES2016"; - TransformFlags[TransformFlags["AssertES2015"] = 768] = "AssertES2015"; - TransformFlags[TransformFlags["AssertGenerator"] = 6144] = "AssertGenerator"; - TransformFlags[TransformFlags["NodeExcludes"] = 536874325] = "NodeExcludes"; - TransformFlags[TransformFlags["ArrowFunctionExcludes"] = 592227669] = "ArrowFunctionExcludes"; - TransformFlags[TransformFlags["FunctionExcludes"] = 592293205] = "FunctionExcludes"; - TransformFlags[TransformFlags["ConstructorExcludes"] = 591760725] = "ConstructorExcludes"; - TransformFlags[TransformFlags["MethodOrAccessorExcludes"] = 591760725] = "MethodOrAccessorExcludes"; - TransformFlags[TransformFlags["ClassExcludes"] = 539749717] = "ClassExcludes"; - TransformFlags[TransformFlags["ModuleExcludes"] = 574729557] = "ModuleExcludes"; - TransformFlags[TransformFlags["TypeExcludes"] = -3] = "TypeExcludes"; - TransformFlags[TransformFlags["ObjectLiteralExcludes"] = 539110741] = "ObjectLiteralExcludes"; - TransformFlags[TransformFlags["ArrayLiteralOrCallOrNewExcludes"] = 537922901] = "ArrayLiteralOrCallOrNewExcludes"; - TransformFlags[TransformFlags["VariableDeclarationListExcludes"] = 545262933] = "VariableDeclarationListExcludes"; - TransformFlags[TransformFlags["ParameterExcludes"] = 545262933] = "ParameterExcludes"; - TransformFlags[TransformFlags["TypeScriptClassSyntaxMask"] = 548864] = "TypeScriptClassSyntaxMask"; - TransformFlags[TransformFlags["ES2015FunctionSyntaxMask"] = 327680] = "ES2015FunctionSyntaxMask"; - })(ts.TransformFlags || (ts.TransformFlags = {})); - var TransformFlags = ts.TransformFlags; - (function (EmitFlags) { - EmitFlags[EmitFlags["EmitEmitHelpers"] = 1] = "EmitEmitHelpers"; - EmitFlags[EmitFlags["EmitExportStar"] = 2] = "EmitExportStar"; - EmitFlags[EmitFlags["EmitSuperHelper"] = 4] = "EmitSuperHelper"; - EmitFlags[EmitFlags["EmitAdvancedSuperHelper"] = 8] = "EmitAdvancedSuperHelper"; - EmitFlags[EmitFlags["UMDDefine"] = 16] = "UMDDefine"; - EmitFlags[EmitFlags["SingleLine"] = 32] = "SingleLine"; - EmitFlags[EmitFlags["AdviseOnEmitNode"] = 64] = "AdviseOnEmitNode"; - EmitFlags[EmitFlags["NoSubstitution"] = 128] = "NoSubstitution"; - EmitFlags[EmitFlags["CapturesThis"] = 256] = "CapturesThis"; - EmitFlags[EmitFlags["NoLeadingSourceMap"] = 512] = "NoLeadingSourceMap"; - EmitFlags[EmitFlags["NoTrailingSourceMap"] = 1024] = "NoTrailingSourceMap"; - EmitFlags[EmitFlags["NoSourceMap"] = 1536] = "NoSourceMap"; - EmitFlags[EmitFlags["NoNestedSourceMaps"] = 2048] = "NoNestedSourceMaps"; - EmitFlags[EmitFlags["NoTokenLeadingSourceMaps"] = 4096] = "NoTokenLeadingSourceMaps"; - EmitFlags[EmitFlags["NoTokenTrailingSourceMaps"] = 8192] = "NoTokenTrailingSourceMaps"; - EmitFlags[EmitFlags["NoTokenSourceMaps"] = 12288] = "NoTokenSourceMaps"; - EmitFlags[EmitFlags["NoLeadingComments"] = 16384] = "NoLeadingComments"; - EmitFlags[EmitFlags["NoTrailingComments"] = 32768] = "NoTrailingComments"; - EmitFlags[EmitFlags["NoComments"] = 49152] = "NoComments"; - EmitFlags[EmitFlags["NoNestedComments"] = 65536] = "NoNestedComments"; - EmitFlags[EmitFlags["ExportName"] = 131072] = "ExportName"; - EmitFlags[EmitFlags["LocalName"] = 262144] = "LocalName"; - EmitFlags[EmitFlags["Indented"] = 524288] = "Indented"; - EmitFlags[EmitFlags["NoIndentation"] = 1048576] = "NoIndentation"; - EmitFlags[EmitFlags["AsyncFunctionBody"] = 2097152] = "AsyncFunctionBody"; - EmitFlags[EmitFlags["ReuseTempVariableScope"] = 4194304] = "ReuseTempVariableScope"; - EmitFlags[EmitFlags["CustomPrologue"] = 8388608] = "CustomPrologue"; - })(ts.EmitFlags || (ts.EmitFlags = {})); - var EmitFlags = ts.EmitFlags; - (function (EmitContext) { - EmitContext[EmitContext["SourceFile"] = 0] = "SourceFile"; - EmitContext[EmitContext["Expression"] = 1] = "Expression"; - EmitContext[EmitContext["IdentifierName"] = 2] = "IdentifierName"; - EmitContext[EmitContext["Unspecified"] = 3] = "Unspecified"; - })(ts.EmitContext || (ts.EmitContext = {})); - var EmitContext = ts.EmitContext; })(ts || (ts = {})); var ts; (function (ts) { @@ -990,12 +128,6 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - (function (Ternary) { - Ternary[Ternary["False"] = 0] = "False"; - Ternary[Ternary["Maybe"] = 1] = "Maybe"; - Ternary[Ternary["True"] = -1] = "True"; - })(ts.Ternary || (ts.Ternary = {})); - var Ternary = ts.Ternary; var createObject = Object.create; ts.collator = typeof Intl === "object" && typeof Intl.Collator === "function" ? new Intl.Collator() : undefined; function createMap(template) { @@ -1060,12 +192,6 @@ var ts; return getCanonicalFileName(nonCanonicalizedPath); } ts.toPath = toPath; - (function (Comparison) { - Comparison[Comparison["LessThan"] = -1] = "LessThan"; - Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; - Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; - })(ts.Comparison || (ts.Comparison = {})); - var Comparison = ts.Comparison; function forEach(array, callback) { if (array) { for (var i = 0, len = array.length; i < len; i++) { @@ -1373,6 +499,41 @@ var ts; return result; } ts.deduplicate = deduplicate; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function changesAffectModuleResolution(oldOptions, newOptions) { + return !oldOptions || + (oldOptions.module !== newOptions.module) || + (oldOptions.moduleResolution !== newOptions.moduleResolution) || + (oldOptions.noResolve !== newOptions.noResolve) || + (oldOptions.target !== newOptions.target) || + (oldOptions.noLib !== newOptions.noLib) || + (oldOptions.jsx !== newOptions.jsx) || + (oldOptions.allowJs !== newOptions.allowJs) || + (oldOptions.rootDir !== newOptions.rootDir) || + (oldOptions.configFilePath !== newOptions.configFilePath) || + (oldOptions.baseUrl !== newOptions.baseUrl) || + (oldOptions.maxNodeModuleJsDepth !== newOptions.maxNodeModuleJsDepth) || + !arrayIsEqualTo(oldOptions.lib, newOptions.lib) || + !arrayIsEqualTo(oldOptions.typeRoots, newOptions.typeRoots) || + !arrayIsEqualTo(oldOptions.rootDirs, newOptions.rootDirs) || + !equalOwnProperties(oldOptions.paths, newOptions.paths); + } + ts.changesAffectModuleResolution = changesAffectModuleResolution; function compact(array) { var result; if (array) { @@ -1445,6 +606,12 @@ var ts; : undefined; } ts.lastOrUndefined = lastOrUndefined; + function replaceElement(array, index, value) { + var result = array.slice(0); + result[index] = value; + return result; + } + ts.replaceElement = replaceElement; function binarySearch(array, value, comparer) { if (!array || array.length === 0) { return -1; @@ -1683,6 +850,12 @@ var ts; return Array.isArray ? Array.isArray(value) : value instanceof Array; } ts.isArray = isArray; + function noop() { } + ts.noop = noop; + function notImplemented() { + throw new Error("Not implemented"); + } + ts.notImplemented = notImplemented; function memoize(callback) { var value; return function () { @@ -2413,14 +1586,6 @@ var ts; return false; } ts.isSupportedSourceFileName = isSupportedSourceFileName; - (function (ExtensionPriority) { - ExtensionPriority[ExtensionPriority["TypeScriptFiles"] = 0] = "TypeScriptFiles"; - ExtensionPriority[ExtensionPriority["DeclarationAndJavaScriptFiles"] = 2] = "DeclarationAndJavaScriptFiles"; - ExtensionPriority[ExtensionPriority["Limit"] = 5] = "Limit"; - ExtensionPriority[ExtensionPriority["Highest"] = 0] = "Highest"; - ExtensionPriority[ExtensionPriority["Lowest"] = 2] = "Lowest"; - })(ts.ExtensionPriority || (ts.ExtensionPriority = {})); - var ExtensionPriority = ts.ExtensionPriority; function getExtensionPriority(path, supportedExtensions) { for (var i = supportedExtensions.length - 1; i >= 0; i--) { if (fileExtensionIs(path, supportedExtensions[i])) { @@ -2509,13 +1674,6 @@ var ts; getTypeConstructor: function () { return Type; }, getSignatureConstructor: function () { return Signature; } }; - (function (AssertionLevel) { - AssertionLevel[AssertionLevel["None"] = 0] = "None"; - AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; - AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; - AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; - })(ts.AssertionLevel || (ts.AssertionLevel = {})); - var AssertionLevel = ts.AssertionLevel; var Debug; (function (Debug) { Debug.currentAssertionLevel = 0; @@ -2900,11 +2058,6 @@ var ts; function readDirectory(path, extensions, excludes, includes) { return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), getAccessibleFileSystemEntries); } - var FileSystemEntryKind; - (function (FileSystemEntryKind) { - FileSystemEntryKind[FileSystemEntryKind["File"] = 0] = "File"; - FileSystemEntryKind[FileSystemEntryKind["Directory"] = 1] = "Directory"; - })(FileSystemEntryKind || (FileSystemEntryKind = {})); function fileSystemEntryExists(path, entryKind) { try { var stat = _fs.statSync(path); @@ -3035,7 +2188,9 @@ var ts; } catch (e) { } - } + }, + setTimeout: setTimeout, + clearTimeout: clearTimeout }; return nodeSystem; } @@ -3263,7 +2418,6 @@ var ts; Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, @@ -3883,6 +3037,8 @@ var ts; Unknown_typing_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_typing_option_0_17010", message: "Unknown typing option '{0}'." }, Circularity_detected_while_resolving_configuration_Colon_0: { code: 18000, category: ts.DiagnosticCategory.Error, key: "Circularity_detected_while_resolving_configuration_Colon_0_18000", message: "Circularity detected while resolving configuration: {0}" }, The_path_in_an_extends_options_must_be_relative_or_rooted: { code: 18001, category: ts.DiagnosticCategory.Error, key: "The_path_in_an_extends_options_must_be_relative_or_rooted_18001", message: "The path in an 'extends' options must be relative or rooted." }, + The_files_list_in_config_file_0_is_empty: { code: 18002, category: ts.DiagnosticCategory.Error, key: "The_files_list_in_config_file_0_is_empty_18002", message: "The 'files' list in config file '{0}' is empty." }, + No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { code: 18003, category: ts.DiagnosticCategory.Error, key: "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", message: "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'." }, Add_missing_super_call: { code: 90001, category: ts.DiagnosticCategory.Message, key: "Add_missing_super_call_90001", message: "Add missing 'super()' call." }, Make_super_call_the_first_statement_in_the_constructor: { code: 90002, category: ts.DiagnosticCategory.Message, key: "Make_super_call_the_first_statement_in_the_constructor_90002", message: "Make 'super()' call the first statement in the constructor." }, Change_extends_to_implements: { code: 90003, category: ts.DiagnosticCategory.Message, key: "Change_extends_to_implements_90003", message: "Change 'extends' to 'implements'" }, @@ -3894,59552 +3050,58580 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - function trace(host) { - host.trace(ts.formatMessage.apply(undefined, arguments)); + function tokenIsIdentifierOrKeyword(token) { + return token >= 70; } - ts.trace = trace; - function isTraceEnabled(compilerOptions, host) { - return compilerOptions.traceResolution && host.trace !== undefined; + ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; + var textToToken = ts.createMap({ + "abstract": 116, + "any": 118, + "as": 117, + "boolean": 121, + "break": 71, + "case": 72, + "catch": 73, + "class": 74, + "continue": 76, + "const": 75, + "constructor": 122, + "debugger": 77, + "declare": 123, + "default": 78, + "delete": 79, + "do": 80, + "else": 81, + "enum": 82, + "export": 83, + "extends": 84, + "false": 85, + "finally": 86, + "for": 87, + "from": 137, + "function": 88, + "get": 124, + "if": 89, + "implements": 107, + "import": 90, + "in": 91, + "instanceof": 92, + "interface": 108, + "is": 125, + "let": 109, + "module": 126, + "namespace": 127, + "never": 128, + "new": 93, + "null": 94, + "number": 131, + "package": 110, + "private": 111, + "protected": 112, + "public": 113, + "readonly": 129, + "require": 130, + "global": 138, + "return": 95, + "set": 132, + "static": 114, + "string": 133, + "super": 96, + "switch": 97, + "symbol": 134, + "this": 98, + "throw": 99, + "true": 100, + "try": 101, + "type": 135, + "typeof": 102, + "undefined": 136, + "var": 103, + "void": 104, + "while": 105, + "with": 106, + "yield": 115, + "async": 119, + "await": 120, + "of": 139, + "{": 16, + "}": 17, + "(": 18, + ")": 19, + "[": 20, + "]": 21, + ".": 22, + "...": 23, + ";": 24, + ",": 25, + "<": 26, + ">": 28, + "<=": 29, + ">=": 30, + "==": 31, + "!=": 32, + "===": 33, + "!==": 34, + "=>": 35, + "+": 36, + "-": 37, + "**": 39, + "*": 38, + "/": 40, + "%": 41, + "++": 42, + "--": 43, + "<<": 44, + ">": 45, + ">>>": 46, + "&": 47, + "|": 48, + "^": 49, + "!": 50, + "~": 51, + "&&": 52, + "||": 53, + "?": 54, + ":": 55, + "=": 57, + "+=": 58, + "-=": 59, + "*=": 60, + "**=": 61, + "/=": 62, + "%=": 63, + "<<=": 64, + ">>=": 65, + ">>>=": 66, + "&=": 67, + "|=": 68, + "^=": 69, + "@": 56, + }); + var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 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65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 768, 846, 864, 866, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1155, 1158, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 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64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + function lookupInUnicodeMap(code, map) { + if (code < map[0]) { + return false; + } + var lo = 0; + var hi = map.length; + var mid; + while (lo + 1 < hi) { + mid = lo + (hi - lo) / 2; + mid -= mid % 2; + if (map[mid] <= code && code <= map[mid + 1]) { + return true; + } + if (code < map[mid]) { + hi = mid; + } + else { + lo = mid + 2; + } + } + return false; } - ts.isTraceEnabled = isTraceEnabled; - function createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations) { - return { resolvedModule: resolvedFileName ? { resolvedFileName: resolvedFileName, isExternalLibraryImport: isExternalLibraryImport } : undefined, failedLookupLocations: failedLookupLocations }; + function isUnicodeIdentifierStart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierStart) : + lookupInUnicodeMap(code, unicodeES3IdentifierStart); } - ts.createResolvedModule = createResolvedModule; - function moduleHasNonRelativeName(moduleName) { - return !(ts.isRootedDiskPath(moduleName) || ts.isExternalModuleNameRelative(moduleName)); + ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; + function isUnicodeIdentifierPart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierPart) : + lookupInUnicodeMap(code, unicodeES3IdentifierPart); } - function tryReadTypesSection(packageJsonPath, baseDirectory, state) { - var jsonContent = readJson(packageJsonPath, state.host); - function tryReadFromField(fieldName) { - if (ts.hasProperty(jsonContent, fieldName)) { - var typesFile = jsonContent[fieldName]; - if (typeof typesFile === "string") { - var typesFilePath_1 = ts.normalizePath(ts.combinePaths(baseDirectory, typesFile)); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, typesFile, typesFilePath_1); + function makeReverseMap(source) { + var result = []; + for (var name_4 in source) { + result[source[name_4]] = name_4; + } + return result; + } + var tokenStrings = makeReverseMap(textToToken); + function tokenToString(t) { + return tokenStrings[t]; + } + ts.tokenToString = tokenToString; + function stringToToken(s) { + return textToToken[s]; + } + ts.stringToToken = stringToToken; + function computeLineStarts(text) { + var result = new Array(); + var pos = 0; + var lineStart = 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 13: + if (text.charCodeAt(pos) === 10) { + pos++; } - return typesFilePath_1; - } - else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_string_got_1, fieldName, typeof typesFile); + case 10: + result.push(lineStart); + lineStart = pos; + break; + default: + if (ch > 127 && isLineBreak(ch)) { + result.push(lineStart); + lineStart = pos; } - } - } - } - var typesFilePath = tryReadFromField("typings") || tryReadFromField("types"); - if (typesFilePath) { - return typesFilePath; - } - if (state.compilerOptions.allowJs && jsonContent.main && typeof jsonContent.main === "string") { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0, jsonContent.main); + break; } - var mainFilePath = ts.normalizePath(ts.combinePaths(baseDirectory, jsonContent.main)); - return mainFilePath; } - return undefined; + result.push(lineStart); + return result; } - function readJson(path, host) { - try { - var jsonText = host.readFile(path); - return jsonText ? JSON.parse(jsonText) : {}; - } - catch (e) { - return {}; - } + ts.computeLineStarts = computeLineStarts; + function getPositionOfLineAndCharacter(sourceFile, line, character) { + return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); } - var typeReferenceExtensions = [".d.ts"]; - function getEffectiveTypeRoots(options, host) { - if (options.typeRoots) { - return options.typeRoots; - } - var currentDirectory; - if (options.configFilePath) { - currentDirectory = ts.getDirectoryPath(options.configFilePath); + ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; + function computePositionOfLineAndCharacter(lineStarts, line, character) { + ts.Debug.assert(line >= 0 && line < lineStarts.length); + return lineStarts[line] + character; + } + ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; + function getLineStarts(sourceFile) { + return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); + } + ts.getLineStarts = getLineStarts; + function computeLineAndCharacterOfPosition(lineStarts, position) { + var lineNumber = ts.binarySearch(lineStarts, position); + if (lineNumber < 0) { + lineNumber = ~lineNumber - 1; + ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); } - else if (host.getCurrentDirectory) { - currentDirectory = host.getCurrentDirectory(); + return { + line: lineNumber, + character: position - lineStarts[lineNumber] + }; + } + ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; + function getLineAndCharacterOfPosition(sourceFile, position) { + return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + } + ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function isWhiteSpace(ch) { + return isWhiteSpaceSingleLine(ch) || isLineBreak(ch); + } + ts.isWhiteSpace = isWhiteSpace; + function isWhiteSpaceSingleLine(ch) { + return ch === 32 || + ch === 9 || + ch === 11 || + ch === 12 || + ch === 160 || + ch === 133 || + ch === 5760 || + ch >= 8192 && ch <= 8203 || + ch === 8239 || + ch === 8287 || + ch === 12288 || + ch === 65279; + } + ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine; + function isLineBreak(ch) { + return ch === 10 || + ch === 13 || + ch === 8232 || + ch === 8233; + } + ts.isLineBreak = isLineBreak; + function isDigit(ch) { + return ch >= 48 && ch <= 57; + } + function isOctalDigit(ch) { + return ch >= 48 && ch <= 55; + } + ts.isOctalDigit = isOctalDigit; + function couldStartTrivia(text, pos) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + case 10: + case 9: + case 11: + case 12: + case 32: + case 47: + case 60: + case 61: + case 62: + return true; + case 35: + return pos === 0; + default: + return ch > 127; } - return currentDirectory !== undefined && getDefaultTypeRoots(currentDirectory, host); } - ts.getEffectiveTypeRoots = getEffectiveTypeRoots; - function getDefaultTypeRoots(currentDirectory, host) { - if (!host.directoryExists) { - return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)]; + ts.couldStartTrivia = couldStartTrivia; + function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) { + if (stopAtComments === void 0) { stopAtComments = false; } + if (ts.positionIsSynthesized(pos)) { + return pos; } - var typeRoots; while (true) { - var atTypes = ts.combinePaths(currentDirectory, nodeModulesAtTypes); - if (host.directoryExists(atTypes)) { - (typeRoots || (typeRoots = [])).push(atTypes); - } - var parent_1 = ts.getDirectoryPath(currentDirectory); - if (parent_1 === currentDirectory) { - break; + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (stopAfterLineBreak) { + return pos; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + if (stopAtComments) { + break; + } + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + continue; + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + continue; + } + break; + case 60: + case 61: + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos); + continue; + } + break; + case 35: + if (pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + continue; + } + break; + default: + if (ch > 127 && (isWhiteSpace(ch))) { + pos++; + continue; + } + break; } - currentDirectory = parent_1; + return pos; } - return typeRoots; } - var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types"); - function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host) { - var traceEnabled = isTraceEnabled(options, host); - var moduleResolutionState = { - compilerOptions: options, - host: host, - skipTsx: true, - traceEnabled: traceEnabled - }; - var typeRoots = getEffectiveTypeRoots(options, host); - if (traceEnabled) { - if (containingFile === undefined) { - if (typeRoots === undefined) { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName); - } - else { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots); - } - } - else { - if (typeRoots === undefined) { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile); - } - else { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots); - } - } - } - var failedLookupLocations = []; - if (typeRoots && typeRoots.length) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", ")); - } - var primarySearchPaths = typeRoots; - for (var _i = 0, primarySearchPaths_1 = primarySearchPaths; _i < primarySearchPaths_1.length; _i++) { - var typeRoot = primarySearchPaths_1[_i]; - var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName); - var candidateDirectory = ts.getDirectoryPath(candidate); - var resolvedFile_1 = loadNodeModuleFromDirectory(typeReferenceExtensions, candidate, failedLookupLocations, !directoryProbablyExists(candidateDirectory, host), moduleResolutionState); - if (resolvedFile_1) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile_1, true); + ts.skipTrivia = skipTrivia; + var mergeConflictMarkerLength = "<<<<<<<".length; + function isConflictMarkerTrivia(text, pos) { + ts.Debug.assert(pos >= 0); + if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { + var ch = text.charCodeAt(pos); + if ((pos + mergeConflictMarkerLength) < text.length) { + for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { + if (text.charCodeAt(pos + i) !== ch) { + return false; } - return { - resolvedTypeReferenceDirective: { primary: true, resolvedFileName: resolvedFile_1 }, - failedLookupLocations: failedLookupLocations - }; } + return ch === 61 || + text.charCodeAt(pos + mergeConflictMarkerLength) === 32; } } - else { - if (traceEnabled) { - trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths); - } - } - var resolvedFile; - var initialLocationForSecondaryLookup; - if (containingFile) { - initialLocationForSecondaryLookup = ts.getDirectoryPath(containingFile); - } - if (initialLocationForSecondaryLookup !== undefined) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup); - } - resolvedFile = loadModuleFromNodeModules(typeReferenceDirectiveName, initialLocationForSecondaryLookup, failedLookupLocations, moduleResolutionState, false); - if (traceEnabled) { - if (resolvedFile) { - trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile, false); - } - else { - trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName); - } + return false; + } + function scanConflictMarkerTrivia(text, pos, error) { + if (error) { + error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + } + var ch = text.charCodeAt(pos); + var len = text.length; + if (ch === 60 || ch === 62) { + while (pos < len && !isLineBreak(text.charCodeAt(pos))) { + pos++; } } else { - if (traceEnabled) { - trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder); + ts.Debug.assert(ch === 61); + while (pos < len) { + var ch_1 = text.charCodeAt(pos); + if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { + break; + } + pos++; } } - return { - resolvedTypeReferenceDirective: resolvedFile - ? { primary: false, resolvedFileName: resolvedFile } - : undefined, - failedLookupLocations: failedLookupLocations - }; + return pos; } - ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective; - function getAutomaticTypeDirectiveNames(options, host) { - if (options.types) { - return options.types; - } - var result = []; - if (host.directoryExists && host.getDirectories) { - var typeRoots = getEffectiveTypeRoots(options, host); - if (typeRoots) { - for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) { - var root = typeRoots_1[_i]; - if (host.directoryExists(root)) { - for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) { - var typeDirectivePath = _b[_a]; - var normalized = ts.normalizePath(typeDirectivePath); - var packageJsonPath = pathToPackageJson(ts.combinePaths(root, normalized)); - var isNotNeededPackage = host.fileExists(packageJsonPath) && readJson(packageJsonPath, host).typings === null; - if (!isNotNeededPackage) { - result.push(ts.getBaseFileName(normalized)); + var shebangTriviaRegex = /^#!.*/; + function isShebangTrivia(text, pos) { + ts.Debug.assert(pos === 0); + return shebangTriviaRegex.test(text); + } + function scanShebangTrivia(text, pos) { + var shebang = shebangTriviaRegex.exec(text)[0]; + pos = pos + shebang.length; + return pos; + } + function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) { + var pendingPos; + var pendingEnd; + var pendingKind; + var pendingHasTrailingNewLine; + var hasPendingCommentRange = false; + var collecting = trailing || pos === 0; + var accumulator = initial; + scan: while (pos >= 0 && pos < text.length) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (trailing) { + break scan; + } + collecting = true; + if (hasPendingCommentRange) { + pendingHasTrailingNewLine = true; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + var nextChar = text.charCodeAt(pos + 1); + var hasTrailingNewLine = false; + if (nextChar === 47 || nextChar === 42) { + var kind = nextChar === 47 ? 2 : 3; + var startPos = pos; + pos += 2; + if (nextChar === 47) { + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + hasTrailingNewLine = true; + break; + } + pos++; + } + } + else { + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + } + if (collecting) { + if (hasPendingCommentRange) { + accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); + if (!reduce && accumulator) { + return accumulator; + } + hasPendingCommentRange = false; } + pendingPos = startPos; + pendingEnd = pos; + pendingKind = kind; + pendingHasTrailingNewLine = hasTrailingNewLine; + hasPendingCommentRange = true; } + continue; } - } + break scan; + default: + if (ch > 127 && (isWhiteSpace(ch))) { + if (hasPendingCommentRange && isLineBreak(ch)) { + pendingHasTrailingNewLine = true; + } + pos++; + continue; + } + break scan; } } - return result; + if (hasPendingCommentRange) { + accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); + } + return accumulator; } - ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames; - function resolveModuleName(moduleName, containingFile, compilerOptions, host) { - var traceEnabled = isTraceEnabled(compilerOptions, host); - if (traceEnabled) { - trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile); + function forEachLeadingCommentRange(text, pos, cb, state) { + return iterateCommentRanges(false, text, pos, false, cb, state); + } + ts.forEachLeadingCommentRange = forEachLeadingCommentRange; + function forEachTrailingCommentRange(text, pos, cb, state) { + return iterateCommentRanges(false, text, pos, true, cb, state); + } + ts.forEachTrailingCommentRange = forEachTrailingCommentRange; + function reduceEachLeadingCommentRange(text, pos, cb, state, initial) { + return iterateCommentRanges(true, text, pos, false, cb, state, initial); + } + ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange; + function reduceEachTrailingCommentRange(text, pos, cb, state, initial) { + return iterateCommentRanges(true, text, pos, true, cb, state, initial); + } + ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange; + function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) { + if (!comments) { + comments = []; } - var moduleResolution = compilerOptions.moduleResolution; - if (moduleResolution === undefined) { - moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic; - if (traceEnabled) { - trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]); - } + comments.push({ pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); + return comments; + } + function getLeadingCommentRanges(text, pos) { + return reduceEachLeadingCommentRange(text, pos, appendCommentRange, undefined, undefined); + } + ts.getLeadingCommentRanges = getLeadingCommentRanges; + function getTrailingCommentRanges(text, pos) { + return reduceEachTrailingCommentRange(text, pos, appendCommentRange, undefined, undefined); + } + ts.getTrailingCommentRanges = getTrailingCommentRanges; + function getShebang(text) { + return shebangTriviaRegex.test(text) + ? shebangTriviaRegex.exec(text)[0] + : undefined; + } + ts.getShebang = getShebang; + function isIdentifierStart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); + } + ts.isIdentifierStart = isIdentifierStart; + function isIdentifierPart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); + } + ts.isIdentifierPart = isIdentifierPart; + function isIdentifierText(name, languageVersion) { + if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { + return false; } - else { - if (traceEnabled) { - trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]); + for (var i = 1, n = name.length; i < n; i++) { + if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { + return false; } } - var result; - switch (moduleResolution) { - case ts.ModuleResolutionKind.NodeJs: - result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); - break; - case ts.ModuleResolutionKind.Classic: - result = classicNameResolver(moduleName, containingFile, compilerOptions, host); - break; + return true; + } + ts.isIdentifierText = isIdentifierText; + function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { + if (languageVariant === void 0) { languageVariant = 0; } + var pos; + var end; + var startPos; + var tokenPos; + var token; + var tokenValue; + var precedingLineBreak; + var hasExtendedUnicodeEscape; + var tokenIsUnterminated; + setText(text, start, length); + return { + getStartPos: function () { return startPos; }, + getTextPos: function () { return pos; }, + getToken: function () { return token; }, + getTokenPos: function () { return tokenPos; }, + getTokenText: function () { return text.substring(tokenPos, pos); }, + getTokenValue: function () { return tokenValue; }, + hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, + hasPrecedingLineBreak: function () { return precedingLineBreak; }, + isIdentifier: function () { return token === 70 || token > 106; }, + isReservedWord: function () { return token >= 71 && token <= 106; }, + isUnterminated: function () { return tokenIsUnterminated; }, + reScanGreaterToken: reScanGreaterToken, + reScanSlashToken: reScanSlashToken, + reScanTemplateToken: reScanTemplateToken, + scanJsxIdentifier: scanJsxIdentifier, + scanJsxAttributeValue: scanJsxAttributeValue, + reScanJsxToken: reScanJsxToken, + scanJsxToken: scanJsxToken, + scanJSDocToken: scanJSDocToken, + scan: scan, + getText: getText, + setText: setText, + setScriptTarget: setScriptTarget, + setLanguageVariant: setLanguageVariant, + setOnError: setOnError, + setTextPos: setTextPos, + tryScan: tryScan, + lookAhead: lookAhead, + scanRange: scanRange, + }; + function error(message, length) { + if (onError) { + onError(message, length || 0); + } } - if (traceEnabled) { - if (result.resolvedModule) { - trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName); + function scanNumber() { + var start = pos; + while (isDigit(text.charCodeAt(pos))) + pos++; + if (text.charCodeAt(pos) === 46) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; } - else { - trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName); + var end = pos; + if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { + pos++; + if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) + pos++; + if (isDigit(text.charCodeAt(pos))) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + end = pos; + } + else { + error(ts.Diagnostics.Digit_expected); + } } + return "" + +(text.substring(start, end)); } - return result; - } - ts.resolveModuleName = resolveModuleName; - function tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { - if (moduleHasNonRelativeName(moduleName)) { - return tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state); - } - else { - return tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state); - } - } - function tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { - if (!state.compilerOptions.rootDirs) { - return undefined; + function scanOctalDigits() { + var start = pos; + while (isOctalDigit(text.charCodeAt(pos))) { + pos++; + } + return +(text.substring(start, pos)); } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName); + function scanExactNumberOfHexDigits(count) { + return scanHexDigits(count, false); } - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var matchedRootDir; - var matchedNormalizedPrefix; - for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) { - var rootDir = _a[_i]; - var normalizedRoot = ts.normalizePath(rootDir); - if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) { - normalizedRoot += ts.directorySeparator; - } - var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) && - (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix); - } - if (isLongestMatchingPrefix) { - matchedNormalizedPrefix = normalizedRoot; - matchedRootDir = rootDir; - } + function scanMinimumNumberOfHexDigits(count) { + return scanHexDigits(count, true); } - if (matchedNormalizedPrefix) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix); - } - var suffix = candidate.substr(matchedNormalizedPrefix.length); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate); - } - var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(containingDirectory, state.host), state); - if (resolvedFileName) { - return resolvedFileName; - } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs); - } - for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) { - var rootDir = _c[_b]; - if (rootDir === matchedRootDir) { - continue; + function scanHexDigits(minCount, scanAsManyAsPossible) { + var digits = 0; + var value = 0; + while (digits < minCount || scanAsManyAsPossible) { + var ch = text.charCodeAt(pos); + if (ch >= 48 && ch <= 57) { + value = value * 16 + ch - 48; } - var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1); + else if (ch >= 65 && ch <= 70) { + value = value * 16 + ch - 65 + 10; } - var baseDirectory = ts.getDirectoryPath(candidate_1); - var resolvedFileName_1 = loader(candidate_1, supportedExtensions, failedLookupLocations, !directoryProbablyExists(baseDirectory, state.host), state); - if (resolvedFileName_1) { - return resolvedFileName_1; + else if (ch >= 97 && ch <= 102) { + value = value * 16 + ch - 97 + 10; } + else { + break; + } + pos++; + digits++; } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed); + if (digits < minCount) { + value = -1; } + return value; } - return undefined; - } - function tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state) { - if (!state.compilerOptions.baseUrl) { - return undefined; - } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, state.compilerOptions.baseUrl, moduleName); - } - var matchedPattern = undefined; - if (state.compilerOptions.paths) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName); + function scanString(allowEscapes) { + if (allowEscapes === void 0) { allowEscapes = true; } + var quote = text.charCodeAt(pos); + pos++; + var result = ""; + var start = pos; + while (true) { + if (pos >= end) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + var ch = text.charCodeAt(pos); + if (ch === quote) { + result += text.substring(start, pos); + pos++; + break; + } + if (ch === 92 && allowEscapes) { + result += text.substring(start, pos); + result += scanEscapeSequence(); + start = pos; + continue; + } + if (isLineBreak(ch)) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + pos++; } - matchedPattern = ts.matchPatternOrExact(ts.getOwnKeys(state.compilerOptions.paths), moduleName); + return result; } - if (matchedPattern) { - var matchedStar = typeof matchedPattern === "string" ? undefined : ts.matchedText(matchedPattern, moduleName); - var matchedPatternText = typeof matchedPattern === "string" ? matchedPattern : ts.patternText(matchedPattern); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText); - } - for (var _i = 0, _a = state.compilerOptions.paths[matchedPatternText]; _i < _a.length; _i++) { - var subst = _a[_i]; - var path = matchedStar ? subst.replace("*", matchedStar) : subst; - var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, path)); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path); + function scanTemplateAndSetTokenValue() { + var startedWithBacktick = text.charCodeAt(pos) === 96; + pos++; + var start = pos; + var contents = ""; + var resultingToken; + while (true) { + if (pos >= end) { + contents += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_template_literal); + resultingToken = startedWithBacktick ? 12 : 15; + break; } - var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); - if (resolvedFileName) { - return resolvedFileName; + var currChar = text.charCodeAt(pos); + if (currChar === 96) { + contents += text.substring(start, pos); + pos++; + resultingToken = startedWithBacktick ? 12 : 15; + break; + } + if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { + contents += text.substring(start, pos); + pos += 2; + resultingToken = startedWithBacktick ? 13 : 14; + break; + } + if (currChar === 92) { + contents += text.substring(start, pos); + contents += scanEscapeSequence(); + start = pos; + continue; + } + if (currChar === 13) { + contents += text.substring(start, pos); + pos++; + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + contents += "\n"; + start = pos; + continue; } + pos++; } - return undefined; + ts.Debug.assert(resultingToken !== undefined); + tokenValue = contents; + return resultingToken; } - else { - var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, moduleName)); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, state.compilerOptions.baseUrl, candidate); + function scanEscapeSequence() { + pos++; + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + return ""; } - return loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); - } - } - function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { - var containingDirectory = ts.getDirectoryPath(containingFile); - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - var traceEnabled = isTraceEnabled(compilerOptions, host); - var failedLookupLocations = []; - var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: false }; - var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, nodeLoadModuleByRelativeName, failedLookupLocations, supportedExtensions, state); - var isExternalLibraryImport = false; - if (!resolvedFileName) { - if (moduleHasNonRelativeName(moduleName)) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder, moduleName); - } - resolvedFileName = loadModuleFromNodeModules(moduleName, containingDirectory, failedLookupLocations, state, false); - isExternalLibraryImport = resolvedFileName !== undefined; - } - else { - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - resolvedFileName = nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, false, state); - } - } - if (resolvedFileName && host.realpath) { - var originalFileName = resolvedFileName; - resolvedFileName = ts.normalizePath(host.realpath(resolvedFileName)); - if (traceEnabled) { - trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, originalFileName, resolvedFileName); + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 48: + return "\0"; + case 98: + return "\b"; + case 116: + return "\t"; + case 110: + return "\n"; + case 118: + return "\v"; + case 102: + return "\f"; + case 114: + return "\r"; + case 39: + return "\'"; + case 34: + return "\""; + case 117: + if (pos < end && text.charCodeAt(pos) === 123) { + hasExtendedUnicodeEscape = true; + pos++; + return scanExtendedUnicodeEscape(); + } + return scanHexadecimalEscape(4); + case 120: + return scanHexadecimalEscape(2); + case 13: + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + case 10: + case 8232: + case 8233: + return ""; + default: + return String.fromCharCode(ch); } } - return createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations); - } - ts.nodeModuleNameResolver = nodeModuleNameResolver; - function nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0, candidate); - } - var resolvedFileName = !ts.pathEndsWithDirectorySeparator(candidate) && loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state); - return resolvedFileName || loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, onlyRecordFailures, state); - } - function directoryProbablyExists(directoryName, host) { - return !host.directoryExists || host.directoryExists(directoryName); - } - ts.directoryProbablyExists = directoryProbablyExists; - function loadModuleFromFile(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { - var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state); - if (resolvedByAddingExtension) { - return resolvedByAddingExtension; - } - if (ts.hasJavaScriptFileExtension(candidate)) { - var extensionless = ts.removeFileExtension(candidate); - if (state.traceEnabled) { - var extension = candidate.substring(extensionless.length); - trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension); + function scanHexadecimalEscape(numDigits) { + var escapedValue = scanExactNumberOfHexDigits(numDigits); + if (escapedValue >= 0) { + return String.fromCharCode(escapedValue); } - return tryAddingExtensions(extensionless, extensions, failedLookupLocation, onlyRecordFailures, state); - } - } - function tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { - if (!onlyRecordFailures) { - var directory = ts.getDirectoryPath(candidate); - if (directory) { - onlyRecordFailures = !directoryProbablyExists(directory, state.host); + else { + error(ts.Diagnostics.Hexadecimal_digit_expected); + return ""; } } - return ts.forEach(extensions, function (ext) { - return !(state.skipTsx && ts.isJsxOrTsxExtension(ext)) && tryFile(candidate + ext, failedLookupLocation, onlyRecordFailures, state); - }); - } - function tryFile(fileName, failedLookupLocation, onlyRecordFailures, state) { - if (!onlyRecordFailures && state.host.fileExists(fileName)) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName); + function scanExtendedUnicodeEscape() { + var escapedValue = scanMinimumNumberOfHexDigits(1); + var isInvalidExtendedEscape = false; + if (escapedValue < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + isInvalidExtendedEscape = true; } - return fileName; - } - else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName); + else if (escapedValue > 0x10FFFF) { + error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); + isInvalidExtendedEscape = true; } - failedLookupLocation.push(fileName); - return undefined; - } - } - function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, state) { - var packageJsonPath = pathToPackageJson(candidate); - var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, state.host); - if (directoryExists && state.host.fileExists(packageJsonPath)) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath); + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + isInvalidExtendedEscape = true; } - var typesFile = tryReadTypesSection(packageJsonPath, candidate, state); - if (typesFile) { - var onlyRecordFailures_1 = !directoryProbablyExists(ts.getDirectoryPath(typesFile), state.host); - var result = tryFile(typesFile, failedLookupLocation, onlyRecordFailures_1, state) || - tryAddingExtensions(typesFile, extensions, failedLookupLocation, onlyRecordFailures_1, state); - if (result) { - return result; - } + else if (text.charCodeAt(pos) === 125) { + pos++; } else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.package_json_does_not_have_types_field); - } + error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); + isInvalidExtendedEscape = true; } - } - else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath); + if (isInvalidExtendedEscape) { + return ""; } - failedLookupLocation.push(packageJsonPath); + return utf16EncodeAsString(escapedValue); } - return loadModuleFromFile(ts.combinePaths(candidate, "index"), extensions, failedLookupLocation, !directoryExists, state); - } - function pathToPackageJson(directory) { - return ts.combinePaths(directory, "package.json"); - } - function loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state) { - var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); - var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, state.host); - var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); - var supportedExtensions = ts.getSupportedExtensions(state.compilerOptions); - var result = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, !nodeModulesFolderExists, state); - if (result) { - return result; + function utf16EncodeAsString(codePoint) { + ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); + if (codePoint <= 65535) { + return String.fromCharCode(codePoint); + } + var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; + var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; + return String.fromCharCode(codeUnit1, codeUnit2); } - result = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state); - if (result) { - return result; + function peekUnicodeEscape() { + if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { + var start_1 = pos; + pos += 2; + var value = scanExactNumberOfHexDigits(4); + pos = start_1; + return value; + } + return -1; } - } - function loadModuleFromNodeModules(moduleName, directory, failedLookupLocations, state, checkOneLevel) { - return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, false); - } - ts.loadModuleFromNodeModules = loadModuleFromNodeModules; - function loadModuleFromNodeModulesAtTypes(moduleName, directory, failedLookupLocations, state) { - return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, false, true); - } - function loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, typesOnly) { - directory = ts.normalizeSlashes(directory); - while (true) { - var baseName = ts.getBaseFileName(directory); - if (baseName !== "node_modules") { - var packageResult = void 0; - if (!typesOnly) { - packageResult = loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state); - if (packageResult && ts.hasTypeScriptFileExtension(packageResult)) { - return packageResult; + function scanIdentifierParts() { + var result = ""; + var start = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (isIdentifierPart(ch, languageVersion)) { + pos++; + } + else if (ch === 92) { + ch = peekUnicodeEscape(); + if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { + break; } + result += text.substring(start, pos); + result += String.fromCharCode(ch); + pos += 6; + start = pos; } - var typesResult = loadModuleFromNodeModulesFolder(ts.combinePaths("@types", moduleName), directory, failedLookupLocations, state); - if (typesResult || packageResult) { - return typesResult || packageResult; + else { + break; } } - var parentPath = ts.getDirectoryPath(directory); - if (parentPath === directory || checkOneLevel) { - break; - } - directory = parentPath; - } - return undefined; - } - function classicNameResolver(moduleName, containingFile, compilerOptions, host) { - var traceEnabled = isTraceEnabled(compilerOptions, host); - var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: !compilerOptions.jsx }; - var failedLookupLocations = []; - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - var containingDirectory = ts.getDirectoryPath(containingFile); - var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loadModuleFromFile, failedLookupLocations, supportedExtensions, state); - if (resolvedFileName) { - return createResolvedModule(resolvedFileName, false, failedLookupLocations); - } - var referencedSourceFile; - if (moduleHasNonRelativeName(moduleName)) { - referencedSourceFile = referencedSourceFile = loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) || - loadModuleFromNodeModulesAtTypes(moduleName, containingDirectory, failedLookupLocations, state); - } - else { - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - referencedSourceFile = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, false, state); - } - return referencedSourceFile - ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - ts.classicNameResolver = classicNameResolver; - function loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) { - while (true) { - var searchName = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var referencedSourceFile = loadModuleFromFile(searchName, supportedExtensions, failedLookupLocations, false, state); - if (referencedSourceFile) { - return referencedSourceFile; - } - var parentPath = ts.getDirectoryPath(containingDirectory); - if (parentPath === containingDirectory) { - return undefined; - } - containingDirectory = parentPath; + result += text.substring(start, pos); + return result; } - } -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.externalHelpersModuleNameText = "tslib"; - function getDeclarationOfKind(symbol, kind) { - var declarations = symbol.declarations; - if (declarations) { - for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { - var declaration = declarations_1[_i]; - if (declaration.kind === kind) { - return declaration; + function getIdentifierToken() { + var len = tokenValue.length; + if (len >= 2 && len <= 11) { + var ch = tokenValue.charCodeAt(0); + if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { + return token = textToToken[tokenValue]; } } + return token = 70; } - return undefined; - } - ts.getDeclarationOfKind = getDeclarationOfKind; - var stringWriters = []; - function getSingleLineStringWriter() { - if (stringWriters.length === 0) { - var str_1 = ""; - var writeText = function (text) { return str_1 += text; }; - return { - string: function () { return str_1; }, - writeKeyword: writeText, - writeOperator: writeText, - writePunctuation: writeText, - writeSpace: writeText, - writeStringLiteral: writeText, - writeParameter: writeText, - writeSymbol: writeText, - writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, - clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - } - return stringWriters.pop(); - } - ts.getSingleLineStringWriter = getSingleLineStringWriter; - function releaseStringWriter(writer) { - writer.clear(); - stringWriters.push(writer); - } - ts.releaseStringWriter = releaseStringWriter; - function getFullWidth(node) { - return node.end - node.pos; - } - ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; - function hasResolvedModule(sourceFile, moduleNameText) { - return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]); - } - ts.hasResolvedModule = hasResolvedModule; - function getResolvedModule(sourceFile, moduleNameText) { - return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; - } - ts.getResolvedModule = getResolvedModule; - function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { - if (!sourceFile.resolvedModules) { - sourceFile.resolvedModules = ts.createMap(); - } - sourceFile.resolvedModules[moduleNameText] = resolvedModule; - } - ts.setResolvedModule = setResolvedModule; - function setResolvedTypeReferenceDirective(sourceFile, typeReferenceDirectiveName, resolvedTypeReferenceDirective) { - if (!sourceFile.resolvedTypeReferenceDirectiveNames) { - sourceFile.resolvedTypeReferenceDirectiveNames = ts.createMap(); - } - sourceFile.resolvedTypeReferenceDirectiveNames[typeReferenceDirectiveName] = resolvedTypeReferenceDirective; - } - ts.setResolvedTypeReferenceDirective = setResolvedTypeReferenceDirective; - function moduleResolutionIsEqualTo(oldResolution, newResolution) { - return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport; - } - ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo; - function typeDirectiveIsEqualTo(oldResolution, newResolution) { - return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.primary === newResolution.primary; - } - ts.typeDirectiveIsEqualTo = typeDirectiveIsEqualTo; - function hasChangesInResolutions(names, newResolutions, oldResolutions, comparer) { - if (names.length !== newResolutions.length) { - return false; - } - for (var i = 0; i < names.length; i++) { - var newResolution = newResolutions[i]; - var oldResolution = oldResolutions && oldResolutions[names[i]]; - var changed = oldResolution - ? !newResolution || !comparer(oldResolution, newResolution) - : newResolution; - if (changed) { - return true; - } - } - return false; - } - ts.hasChangesInResolutions = hasChangesInResolutions; - function containsParseError(node) { - aggregateChildData(node); - return (node.flags & 2097152) !== 0; - } - ts.containsParseError = containsParseError; - function aggregateChildData(node) { - if (!(node.flags & 4194304)) { - var thisNodeOrAnySubNodesHasError = ((node.flags & 524288) !== 0) || - ts.forEachChild(node, containsParseError); - if (thisNodeOrAnySubNodesHasError) { - node.flags |= 2097152; + function scanBinaryOrOctalDigits(base) { + ts.Debug.assert(base === 2 || base === 8, "Expected either base 2 or base 8"); + var value = 0; + var numberOfDigits = 0; + while (true) { + var ch = text.charCodeAt(pos); + var valueOfCh = ch - 48; + if (!isDigit(ch) || valueOfCh >= base) { + break; + } + value = value * base + valueOfCh; + pos++; + numberOfDigits++; } - node.flags |= 4194304; - } - } - function getSourceFileOfNode(node) { - while (node && node.kind !== 256) { - node = node.parent; - } - return node; - } - ts.getSourceFileOfNode = getSourceFileOfNode; - function isStatementWithLocals(node) { - switch (node.kind) { - case 200: - case 228: - case 207: - case 208: - case 209: - return true; - } - return false; - } - ts.isStatementWithLocals = isStatementWithLocals; - function getStartPositionOfLine(line, sourceFile) { - ts.Debug.assert(line >= 0); - return ts.getLineStarts(sourceFile)[line]; - } - ts.getStartPositionOfLine = getStartPositionOfLine; - function nodePosToString(node) { - var file = getSourceFileOfNode(node); - var loc = ts.getLineAndCharacterOfPosition(file, node.pos); - return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; - } - ts.nodePosToString = nodePosToString; - function getStartPosOfNode(node) { - return node.pos; - } - ts.getStartPosOfNode = getStartPosOfNode; - function isDefined(value) { - return value !== undefined; - } - ts.isDefined = isDefined; - function getEndLinePosition(line, sourceFile) { - ts.Debug.assert(line >= 0); - var lineStarts = ts.getLineStarts(sourceFile); - var lineIndex = line; - var sourceText = sourceFile.text; - if (lineIndex + 1 === lineStarts.length) { - return sourceText.length - 1; - } - else { - var start = lineStarts[lineIndex]; - var pos = lineStarts[lineIndex + 1] - 1; - ts.Debug.assert(ts.isLineBreak(sourceText.charCodeAt(pos))); - while (start <= pos && ts.isLineBreak(sourceText.charCodeAt(pos))) { - pos--; + if (numberOfDigits === 0) { + return -1; } - return pos; - } - } - ts.getEndLinePosition = getEndLinePosition; - function nodeIsMissing(node) { - if (node === undefined) { - return true; - } - return node.pos === node.end && node.pos >= 0 && node.kind !== 1; - } - ts.nodeIsMissing = nodeIsMissing; - function nodeIsPresent(node) { - return !nodeIsMissing(node); - } - ts.nodeIsPresent = nodeIsPresent; - function getTokenPosOfNode(node, sourceFile, includeJsDocComment) { - if (nodeIsMissing(node)) { - return node.pos; - } - if (isJSDocNode(node)) { - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, false, true); - } - if (includeJsDocComment && node.jsDocComments && node.jsDocComments.length > 0) { - return getTokenPosOfNode(node.jsDocComments[0]); - } - if (node.kind === 286 && node._children.length > 0) { - return getTokenPosOfNode(node._children[0], sourceFile, includeJsDocComment); + return value; } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); - } - ts.getTokenPosOfNode = getTokenPosOfNode; - function isJSDocNode(node) { - return node.kind >= 257 && node.kind <= 282; - } - ts.isJSDocNode = isJSDocNode; - function isJSDocTag(node) { - return node.kind >= 273 && node.kind <= 285; - } - ts.isJSDocTag = isJSDocTag; - function getNonDecoratorTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node) || !node.decorators) { - return getTokenPosOfNode(node, sourceFile); - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); - } - ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; - function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - if (nodeIsMissing(node)) { - return ""; - } - var text = sourceFile.text; - return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); - } - ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; - function getTextOfNodeFromSourceText(sourceText, node) { - if (nodeIsMissing(node)) { - return ""; + function scan() { + startPos = pos; + hasExtendedUnicodeEscape = false; + precedingLineBreak = false; + tokenIsUnterminated = false; + while (true) { + tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var ch = text.charCodeAt(pos); + if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + if (skipTrivia) { + continue; + } + else { + return token = 6; + } + } + switch (ch) { + case 10: + case 13: + precedingLineBreak = true; + if (skipTrivia) { + pos++; + continue; + } + else { + if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { + pos += 2; + } + else { + pos++; + } + return token = 4; + } + case 9: + case 11: + case 12: + case 32: + if (skipTrivia) { + pos++; + continue; + } + else { + while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { + pos++; + } + return token = 5; + } + case 33: + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 34; + } + return pos += 2, token = 32; + } + pos++; + return token = 50; + case 34: + case 39: + tokenValue = scanString(); + return token = 9; + case 96: + return token = scanTemplateAndSetTokenValue(); + case 37: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 63; + } + pos++; + return token = 41; + case 38: + if (text.charCodeAt(pos + 1) === 38) { + return pos += 2, token = 52; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 67; + } + pos++; + return token = 47; + case 40: + pos++; + return token = 18; + case 41: + pos++; + return token = 19; + case 42: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 60; + } + if (text.charCodeAt(pos + 1) === 42) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 61; + } + return pos += 2, token = 39; + } + pos++; + return token = 38; + case 43: + if (text.charCodeAt(pos + 1) === 43) { + return pos += 2, token = 42; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 58; + } + pos++; + return token = 36; + case 44: + pos++; + return token = 25; + case 45: + if (text.charCodeAt(pos + 1) === 45) { + return pos += 2, token = 43; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 59; + } + pos++; + return token = 37; + case 46: + if (isDigit(text.charCodeAt(pos + 1))) { + tokenValue = scanNumber(); + return token = 8; + } + if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { + return pos += 3, token = 23; + } + pos++; + return token = 22; + case 47: + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < end) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + if (skipTrivia) { + continue; + } + else { + return token = 2; + } + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + var commentClosed = false; + while (pos < end) { + var ch_2 = text.charCodeAt(pos); + if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + commentClosed = true; + break; + } + if (isLineBreak(ch_2)) { + precedingLineBreak = true; + } + pos++; + } + if (!commentClosed) { + error(ts.Diagnostics.Asterisk_Slash_expected); + } + if (skipTrivia) { + continue; + } + else { + tokenIsUnterminated = !commentClosed; + return token = 3; + } + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 62; + } + pos++; + return token = 40; + case 48: + if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { + pos += 2; + var value = scanMinimumNumberOfHexDigits(1); + if (value < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { + pos += 2; + var value = scanBinaryOrOctalDigits(2); + if (value < 0) { + error(ts.Diagnostics.Binary_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { + pos += 2; + var value = scanBinaryOrOctalDigits(8); + if (value < 0) { + error(ts.Diagnostics.Octal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { + tokenValue = "" + scanOctalDigits(); + return token = 8; + } + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + tokenValue = scanNumber(); + return token = 8; + case 58: + pos++; + return token = 55; + case 59: + pos++; + return token = 24; + case 60: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 60) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 64; + } + return pos += 2, token = 44; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 29; + } + if (languageVariant === 1 && + text.charCodeAt(pos + 1) === 47 && + text.charCodeAt(pos + 2) !== 42) { + return pos += 2, token = 27; + } + pos++; + return token = 26; + case 61: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 33; + } + return pos += 2, token = 31; + } + if (text.charCodeAt(pos + 1) === 62) { + return pos += 2, token = 35; + } + pos++; + return token = 57; + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + pos++; + return token = 28; + case 63: + pos++; + return token = 54; + case 91: + pos++; + return token = 20; + case 93: + pos++; + return token = 21; + case 94: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 69; + } + pos++; + return token = 49; + case 123: + pos++; + return token = 16; + case 124: + if (text.charCodeAt(pos + 1) === 124) { + return pos += 2, token = 53; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 68; + } + pos++; + return token = 48; + case 125: + pos++; + return token = 17; + case 126: + pos++; + return token = 51; + case 64: + pos++; + return token = 56; + case 92: + var cookedChar = peekUnicodeEscape(); + if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { + pos += 6; + tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); + return token = getIdentifierToken(); + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + default: + if (isIdentifierStart(ch, languageVersion)) { + pos++; + while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) + pos++; + tokenValue = text.substring(tokenPos, pos); + if (ch === 92) { + tokenValue += scanIdentifierParts(); + } + return token = getIdentifierToken(); + } + else if (isWhiteSpaceSingleLine(ch)) { + pos++; + continue; + } + else if (isLineBreak(ch)) { + precedingLineBreak = true; + pos++; + continue; + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + } + } } - return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); - } - ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; - function getTextOfNode(node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); - } - ts.getTextOfNode = getTextOfNode; - function getLiteralText(node, sourceFile, languageVersion) { - if (languageVersion < 2 && (isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { - return getQuotedEscapedLiteralText('"', node.text, '"'); + function reScanGreaterToken() { + if (token === 28) { + if (text.charCodeAt(pos) === 62) { + if (text.charCodeAt(pos + 1) === 62) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 66; + } + return pos += 2, token = 46; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 65; + } + pos++; + return token = 45; + } + if (text.charCodeAt(pos) === 61) { + pos++; + return token = 30; + } + } + return token; } - if (!nodeIsSynthesized(node) && node.parent) { - var text = getSourceTextOfNodeFromSourceFile(sourceFile, node); - if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { - return node.text; + function reScanSlashToken() { + if (token === 40 || token === 62) { + var p = tokenPos + 1; + var inEscape = false; + var inCharacterClass = false; + while (true) { + if (p >= end) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + var ch = text.charCodeAt(p); + if (isLineBreak(ch)) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + if (inEscape) { + inEscape = false; + } + else if (ch === 47 && !inCharacterClass) { + p++; + break; + } + else if (ch === 91) { + inCharacterClass = true; + } + else if (ch === 92) { + inEscape = true; + } + else if (ch === 93) { + inCharacterClass = false; + } + p++; + } + while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { + p++; + } + pos = p; + tokenValue = text.substring(tokenPos, pos); + token = 11; } - return text; + return token; } - switch (node.kind) { - case 9: - return getQuotedEscapedLiteralText('"', node.text, '"'); - case 12: - return getQuotedEscapedLiteralText("`", node.text, "`"); - case 13: - return getQuotedEscapedLiteralText("`", node.text, "${"); - case 14: - return getQuotedEscapedLiteralText("}", node.text, "${"); - case 15: - return getQuotedEscapedLiteralText("}", node.text, "`"); - case 8: - return node.text; + function reScanTemplateToken() { + ts.Debug.assert(token === 17, "'reScanTemplateToken' should only be called on a '}'"); + pos = tokenPos; + return token = scanTemplateAndSetTokenValue(); } - ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); - } - ts.getLiteralText = getLiteralText; - function isBinaryOrOctalIntegerLiteral(node, text) { - if (node.kind === 8 && text.length > 1) { - switch (text.charCodeAt(1)) { - case 98: - case 66: - case 111: - case 79: - return true; - } + function reScanJsxToken() { + pos = tokenPos = startPos; + return token = scanJsxToken(); } - return false; - } - ts.isBinaryOrOctalIntegerLiteral = isBinaryOrOctalIntegerLiteral; - function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { - return leftQuote + escapeNonAsciiCharacters(escapeString(text)) + rightQuote; - } - function escapeIdentifier(identifier) { - return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; - } - ts.escapeIdentifier = escapeIdentifier; - function unescapeIdentifier(identifier) { - return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; - } - ts.unescapeIdentifier = unescapeIdentifier; - function makeIdentifierFromModuleName(moduleName) { - return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); - } - ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; - function isBlockOrCatchScoped(declaration) { - return (ts.getCombinedNodeFlags(declaration) & 3) !== 0 || - isCatchClauseVariableDeclaration(declaration); - } - ts.isBlockOrCatchScoped = isBlockOrCatchScoped; - function isAmbientModule(node) { - return node && node.kind === 226 && - (node.name.kind === 9 || isGlobalScopeAugmentation(node)); - } - ts.isAmbientModule = isAmbientModule; - function isShorthandAmbientModuleSymbol(moduleSymbol) { - return isShorthandAmbientModule(moduleSymbol.valueDeclaration); - } - ts.isShorthandAmbientModuleSymbol = isShorthandAmbientModuleSymbol; - function isShorthandAmbientModule(node) { - return node.kind === 226 && (!node.body); - } - function isBlockScopedContainerTopLevel(node) { - return node.kind === 256 || - node.kind === 226 || - isFunctionLike(node); - } - ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; - function isGlobalScopeAugmentation(module) { - return !!(module.flags & 512); - } - ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; - function isExternalModuleAugmentation(node) { - if (!node || !isAmbientModule(node)) { - return false; + function scanJsxToken() { + startPos = tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var char = text.charCodeAt(pos); + if (char === 60) { + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + return token = 27; + } + pos++; + return token = 26; + } + if (char === 123) { + pos++; + return token = 16; + } + while (pos < end) { + pos++; + char = text.charCodeAt(pos); + if ((char === 123) || (char === 60)) { + break; + } + } + return token = 10; } - switch (node.parent.kind) { - case 256: - return ts.isExternalModule(node.parent); - case 227: - return isAmbientModule(node.parent.parent) && !ts.isExternalModule(node.parent.parent.parent); + function scanJsxIdentifier() { + if (tokenIsIdentifierOrKeyword(token)) { + var firstCharPosition = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { + pos++; + } + else { + break; + } + } + tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); + } + return token; } - return false; - } - ts.isExternalModuleAugmentation = isExternalModuleAugmentation; - function isBlockScope(node, parentNode) { - switch (node.kind) { - case 256: - case 228: - case 252: - case 226: - case 207: - case 208: - case 209: - case 149: - case 148: - case 150: - case 151: - case 221: - case 180: - case 181: - return true; - case 200: - return parentNode && !isFunctionLike(parentNode); + function scanJsxAttributeValue() { + startPos = pos; + switch (text.charCodeAt(pos)) { + case 34: + case 39: + tokenValue = scanString(false); + return token = 9; + default: + return scan(); + } } - return false; - } - ts.isBlockScope = isBlockScope; - function getEnclosingBlockScopeContainer(node) { - var current = node.parent; - while (current) { - if (isBlockScope(current, current.parent)) { - return current; + function scanJSDocToken() { + if (pos >= end) { + return token = 1; + } + startPos = pos; + tokenPos = pos; + var ch = text.charCodeAt(pos); + switch (ch) { + case 9: + case 11: + case 12: + case 32: + while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { + pos++; + } + return token = 5; + case 64: + pos++; + return token = 56; + case 10: + case 13: + pos++; + return token = 4; + case 42: + pos++; + return token = 38; + case 123: + pos++; + return token = 16; + case 125: + pos++; + return token = 17; + case 91: + pos++; + return token = 20; + case 93: + pos++; + return token = 21; + case 61: + pos++; + return token = 57; + case 44: + pos++; + return token = 25; + case 46: + pos++; + return token = 22; + } + if (isIdentifierStart(ch, 4)) { + pos++; + while (isIdentifierPart(text.charCodeAt(pos), 4) && pos < end) { + pos++; + } + return token = 70; + } + else { + return pos += 1, token = 0; } - current = current.parent; } - } - ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 219 && - declaration.parent && - declaration.parent.kind === 252; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; - function declarationNameToString(name) { - return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); - } - ts.declarationNameToString = declarationNameToString; - function createDiagnosticForNode(node, message, arg0, arg1, arg2) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); - } - ts.createDiagnosticForNode = createDiagnosticForNode; - function createDiagnosticForNodeFromMessageChain(node, messageChain) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return { - file: sourceFile, - start: span.start, - length: span.length, - code: messageChain.code, - category: messageChain.category, - messageText: messageChain.next ? messageChain : messageChain.messageText - }; - } - ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; - function getSpanOfTokenAtPosition(sourceFile, pos) { - var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); - scanner.scan(); - var start = scanner.getTokenPos(); - return ts.createTextSpanFromBounds(start, scanner.getTextPos()); - } - ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; - function getErrorSpanForArrowFunction(sourceFile, node) { - var pos = ts.skipTrivia(sourceFile.text, node.pos); - if (node.body && node.body.kind === 200) { - var startLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.end).line; - if (startLine < endLine) { - return ts.createTextSpan(pos, getEndLinePosition(startLine, sourceFile) - pos + 1); + function speculationHelper(callback, isLookahead) { + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var saveTokenValue = tokenValue; + var savePrecedingLineBreak = precedingLineBreak; + var result = callback(); + if (!result || isLookahead) { + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + tokenValue = saveTokenValue; + precedingLineBreak = savePrecedingLineBreak; } + return result; } - return ts.createTextSpanFromBounds(pos, node.end); - } - function getErrorSpanForNode(sourceFile, node) { - var errorNode = node; - switch (node.kind) { - case 256: - var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); - if (pos_1 === sourceFile.text.length) { - return ts.createTextSpan(0, 0); - } - return getSpanOfTokenAtPosition(sourceFile, pos_1); - case 219: - case 170: - case 222: - case 193: - case 223: - case 226: - case 225: - case 255: - case 221: - case 180: - case 148: - case 150: - case 151: - case 224: - errorNode = node.name; - break; - case 181: - return getErrorSpanForArrowFunction(sourceFile, node); + function scanRange(start, length, callback) { + var saveEnd = end; + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var savePrecedingLineBreak = precedingLineBreak; + var saveTokenValue = tokenValue; + var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; + var saveTokenIsUnterminated = tokenIsUnterminated; + setText(text, start, length); + var result = callback(); + end = saveEnd; + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + precedingLineBreak = savePrecedingLineBreak; + tokenValue = saveTokenValue; + hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; + tokenIsUnterminated = saveTokenIsUnterminated; + return result; } - if (errorNode === undefined) { - return getSpanOfTokenAtPosition(sourceFile, node.pos); + function lookAhead(callback) { + return speculationHelper(callback, true); } - var pos = nodeIsMissing(errorNode) - ? errorNode.pos - : ts.skipTrivia(sourceFile.text, errorNode.pos); - return ts.createTextSpanFromBounds(pos, errorNode.end); - } - ts.getErrorSpanForNode = getErrorSpanForNode; - function isExternalOrCommonJsModule(file) { - return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; - } - ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; - function isDeclarationFile(file) { - return file.isDeclarationFile; - } - ts.isDeclarationFile = isDeclarationFile; - function isConstEnumDeclaration(node) { - return node.kind === 225 && isConst(node); - } - ts.isConstEnumDeclaration = isConstEnumDeclaration; - function isConst(node) { - return !!(ts.getCombinedNodeFlags(node) & 2) - || !!(ts.getCombinedModifierFlags(node) & 2048); - } - ts.isConst = isConst; - function isLet(node) { - return !!(ts.getCombinedNodeFlags(node) & 1); - } - ts.isLet = isLet; - function isSuperCall(n) { - return n.kind === 175 && n.expression.kind === 96; - } - ts.isSuperCall = isSuperCall; - function isPrologueDirective(node) { - return node.kind === 203 && node.expression.kind === 9; - } - ts.isPrologueDirective = isPrologueDirective; - function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { - return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); - } - ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; - function getLeadingCommentRangesOfNodeFromText(node, text) { - return ts.getLeadingCommentRanges(text, node.pos); - } - ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; - function getJsDocComments(node, sourceFileOfNode) { - return getJsDocCommentsFromText(node, sourceFileOfNode.text); - } - ts.getJsDocComments = getJsDocComments; - function getJsDocCommentsFromText(node, text) { - var commentRanges = (node.kind === 143 || - node.kind === 142 || - node.kind === 180 || - node.kind === 181) ? - ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : - getLeadingCommentRangesOfNodeFromText(node, text); - return ts.filter(commentRanges, isJsDocComment); - function isJsDocComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 42 && - text.charCodeAt(comment.pos + 3) !== 47; + function tryScan(callback) { + return speculationHelper(callback, false); } - } - ts.getJsDocCommentsFromText = getJsDocCommentsFromText; - ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; - function isPartOfTypeNode(node) { - if (155 <= node.kind && node.kind <= 167) { - return true; + function getText() { + return text; } - switch (node.kind) { - case 118: - case 131: - case 133: - case 121: - case 134: - case 136: - case 128: - return true; - case 104: - return node.parent.kind !== 184; - case 195: - return !isExpressionWithTypeArgumentsInClassExtendsClause(node); - case 70: - if (node.parent.kind === 140 && node.parent.right === node) { - node = node.parent; - } - else if (node.parent.kind === 173 && node.parent.name === node) { - node = node.parent; - } - ts.Debug.assert(node.kind === 70 || node.kind === 140 || node.kind === 173, "'node' was expected to be a qualified name, identifier or property access in 'isPartOfTypeNode'."); - case 140: - case 173: - case 98: - var parent_2 = node.parent; - if (parent_2.kind === 159) { - return false; - } - if (155 <= parent_2.kind && parent_2.kind <= 167) { - return true; - } - switch (parent_2.kind) { - case 195: - return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); - case 142: - return node === parent_2.constraint; - case 146: - case 145: - case 143: - case 219: - return node === parent_2.type; - case 221: - case 180: - case 181: - case 149: - case 148: - case 147: - case 150: - case 151: - return node === parent_2.type; - case 152: - case 153: - case 154: - return node === parent_2.type; - case 178: - return node === parent_2.type; - case 175: - case 176: - return parent_2.typeArguments && ts.indexOf(parent_2.typeArguments, node) >= 0; - case 177: - return false; - } + function setText(newText, start, length) { + text = newText || ""; + end = length === undefined ? text.length : start + length; + setTextPos(start || 0); } - return false; - } - ts.isPartOfTypeNode = isPartOfTypeNode; - function forEachReturnStatement(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 212: - return visitor(node); - case 228: - case 200: - case 204: - case 205: - case 206: - case 207: - case 208: - case 209: - case 213: - case 214: - case 249: - case 250: - case 215: - case 217: - case 252: - return ts.forEachChild(node, traverse); - } + function setOnError(errorCallback) { + onError = errorCallback; } - } - ts.forEachReturnStatement = forEachReturnStatement; - function forEachYieldExpression(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 191: - visitor(node); - var operand = node.expression; - if (operand) { - traverse(operand); - } - case 225: - case 223: - case 226: - case 224: - case 222: - case 193: - return; - default: - if (isFunctionLike(node)) { - var name_4 = node.name; - if (name_4 && name_4.kind === 141) { - traverse(name_4.expression); - return; - } - } - else if (!isPartOfTypeNode(node)) { - ts.forEachChild(node, traverse); - } - } + function setScriptTarget(scriptTarget) { + languageVersion = scriptTarget; } - } - ts.forEachYieldExpression = forEachYieldExpression; - function isVariableLike(node) { - if (node) { - switch (node.kind) { - case 170: - case 255: - case 143: - case 253: - case 146: - case 145: - case 254: - case 219: - return true; - } + function setLanguageVariant(variant) { + languageVariant = variant; + } + function setTextPos(textPos) { + ts.Debug.assert(textPos >= 0); + pos = textPos; + startPos = textPos; + tokenPos = textPos; + token = 0; + precedingLineBreak = false; + tokenValue = undefined; + hasExtendedUnicodeEscape = false; + tokenIsUnterminated = false; } - return false; - } - ts.isVariableLike = isVariableLike; - function isAccessor(node) { - return node && (node.kind === 150 || node.kind === 151); } - ts.isAccessor = isAccessor; - function isClassLike(node) { - return node && (node.kind === 222 || node.kind === 193); - } - ts.isClassLike = isClassLike; - function isFunctionLike(node) { - return node && isFunctionLikeKind(node.kind); - } - ts.isFunctionLike = isFunctionLike; - function isFunctionLikeKind(kind) { - switch (kind) { - case 149: - case 180: - case 221: - case 181: - case 148: - case 147: - case 150: - case 151: - case 152: - case 153: - case 154: - case 157: - case 158: - return true; - } - return false; - } - ts.isFunctionLikeKind = isFunctionLikeKind; - function introducesArgumentsExoticObject(node) { - switch (node.kind) { - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 180: - return true; - } - return false; - } - ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; - function isIterationStatement(node, lookInLabeledStatements) { - switch (node.kind) { - case 207: - case 208: - case 209: - case 205: - case 206: - return true; - case 215: - return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); - } - return false; - } - ts.isIterationStatement = isIterationStatement; - function isFunctionBlock(node) { - return node && node.kind === 200 && isFunctionLike(node.parent); - } - ts.isFunctionBlock = isFunctionBlock; - function isObjectLiteralMethod(node) { - return node && node.kind === 148 && node.parent.kind === 172; - } - ts.isObjectLiteralMethod = isObjectLiteralMethod; - function isObjectLiteralOrClassExpressionMethod(node) { - return node.kind === 148 && - (node.parent.kind === 172 || - node.parent.kind === 193); - } - ts.isObjectLiteralOrClassExpressionMethod = isObjectLiteralOrClassExpressionMethod; - function isIdentifierTypePredicate(predicate) { - return predicate && predicate.kind === 1; - } - ts.isIdentifierTypePredicate = isIdentifierTypePredicate; - function isThisTypePredicate(predicate) { - return predicate && predicate.kind === 0; - } - ts.isThisTypePredicate = isThisTypePredicate; - function getContainingFunction(node) { - while (true) { - node = node.parent; - if (!node || isFunctionLike(node)) { - return node; - } - } - } - ts.getContainingFunction = getContainingFunction; - function getContainingClass(node) { - while (true) { - node = node.parent; - if (!node || isClassLike(node)) { - return node; - } - } - } - ts.getContainingClass = getContainingClass; - function getThisContainer(node, includeArrowFunctions) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 141: - if (isClassLike(node.parent.parent)) { - return node; - } - node = node.parent; - break; - case 144: - if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; - case 181: - if (!includeArrowFunctions) { - continue; - } - case 221: - case 180: - case 226: - case 146: - case 145: - case 148: - case 147: - case 149: - case 150: - case 151: - case 152: - case 153: - case 154: - case 225: - case 256: - return node; + ts.createScanner = createScanner; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" }; + ts.optionDeclarations = [ + { + name: "charset", + type: "string", + }, + ts.compileOnSaveCommandLineOption, + { + name: "declaration", + shortName: "d", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_d_ts_file, + }, + { + name: "declarationDir", + type: "string", + isFilePath: true, + paramType: ts.Diagnostics.DIRECTORY, + }, + { + name: "diagnostics", + type: "boolean", + }, + { + name: "extendedDiagnostics", + type: "boolean", + experimental: true + }, + { + name: "emitBOM", + type: "boolean" + }, + { + name: "help", + shortName: "h", + type: "boolean", + description: ts.Diagnostics.Print_this_message, + }, + { + name: "help", + shortName: "?", + type: "boolean" + }, + { + name: "init", + type: "boolean", + description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file, + }, + { + name: "inlineSourceMap", + type: "boolean", + }, + { + name: "inlineSources", + type: "boolean", + }, + { + name: "jsx", + type: ts.createMap({ + "preserve": 1, + "react": 2 + }), + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, + }, + { + name: "reactNamespace", + type: "string", + description: ts.Diagnostics.Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit + }, + { + name: "listFiles", + type: "boolean", + }, + { + name: "locale", + type: "string", + }, + { + name: "mapRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, + paramType: ts.Diagnostics.LOCATION, + }, + { + name: "module", + shortName: "m", + type: ts.createMap({ + "none": ts.ModuleKind.None, + "commonjs": ts.ModuleKind.CommonJS, + "amd": ts.ModuleKind.AMD, + "system": ts.ModuleKind.System, + "umd": ts.ModuleKind.UMD, + "es6": ts.ModuleKind.ES2015, + "es2015": ts.ModuleKind.ES2015, + }), + description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, + paramType: ts.Diagnostics.KIND, + }, + { + name: "newLine", + type: ts.createMap({ + "crlf": 0, + "lf": 1 + }), + description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, + paramType: ts.Diagnostics.NEWLINE, + }, + { + name: "noEmit", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs, + }, + { + name: "noEmitHelpers", + type: "boolean" + }, + { + name: "noEmitOnError", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported, + }, + { + name: "noErrorTruncation", + type: "boolean" + }, + { + name: "noImplicitAny", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type, + }, + { + name: "noImplicitThis", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type, + }, + { + name: "noUnusedLocals", + type: "boolean", + description: ts.Diagnostics.Report_errors_on_unused_locals, + }, + { + name: "noUnusedParameters", + type: "boolean", + description: ts.Diagnostics.Report_errors_on_unused_parameters, + }, + { + name: "noLib", + type: "boolean", + }, + { + name: "noResolve", + type: "boolean", + }, + { + name: "skipDefaultLibCheck", + type: "boolean", + }, + { + name: "skipLibCheck", + type: "boolean", + description: ts.Diagnostics.Skip_type_checking_of_declaration_files, + }, + { + name: "out", + type: "string", + isFilePath: false, + paramType: ts.Diagnostics.FILE, + }, + { + name: "outFile", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, + paramType: ts.Diagnostics.FILE, + }, + { + name: "outDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Redirect_output_structure_to_the_directory, + paramType: ts.Diagnostics.DIRECTORY, + }, + { + name: "preserveConstEnums", + type: "boolean", + description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code + }, + { + name: "pretty", + description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, + type: "boolean" + }, + { + name: "project", + shortName: "p", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Compile_the_project_in_the_given_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "removeComments", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_comments_to_output, + }, + { + name: "rootDir", + type: "string", + isFilePath: true, + paramType: ts.Diagnostics.LOCATION, + description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, + }, + { + name: "isolatedModules", + type: "boolean", + }, + { + name: "sourceMap", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_map_file, + }, + { + name: "sourceRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, + paramType: ts.Diagnostics.LOCATION, + }, + { + name: "suppressExcessPropertyErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, + experimental: true + }, + { + name: "suppressImplicitAnyIndexErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures, + }, + { + name: "stripInternal", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, + experimental: true + }, + { + name: "target", + shortName: "t", + type: ts.createMap({ + "es3": 0, + "es5": 1, + "es6": 2, + "es2015": 2, + "es2016": 3, + "es2017": 4, + }), + description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015, + paramType: ts.Diagnostics.VERSION, + }, + { + name: "version", + shortName: "v", + type: "boolean", + description: ts.Diagnostics.Print_the_compiler_s_version, + }, + { + name: "watch", + shortName: "w", + type: "boolean", + description: ts.Diagnostics.Watch_input_files, + }, + { + name: "experimentalDecorators", + type: "boolean", + description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators + }, + { + name: "emitDecoratorMetadata", + type: "boolean", + experimental: true, + description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators + }, + { + name: "moduleResolution", + type: ts.createMap({ + "node": ts.ModuleResolutionKind.NodeJs, + "classic": ts.ModuleResolutionKind.Classic, + }), + description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, + paramType: ts.Diagnostics.STRATEGY, + }, + { + name: "allowUnusedLabels", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unused_labels + }, + { + name: "noImplicitReturns", + type: "boolean", + description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value + }, + { + name: "noFallthroughCasesInSwitch", + type: "boolean", + description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement + }, + { + name: "allowUnreachableCode", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code + }, + { + name: "forceConsistentCasingInFileNames", + type: "boolean", + description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file + }, + { + name: "baseUrl", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names + }, + { + name: "paths", + type: "object", + isTSConfigOnly: true + }, + { + name: "rootDirs", + type: "list", + isTSConfigOnly: true, + element: { + name: "rootDirs", + type: "string", + isFilePath: true } - } - } - ts.getThisContainer = getThisContainer; - function getSuperContainer(node, stopOnFunctions) { - while (true) { - node = node.parent; - if (!node) { - return node; - } - switch (node.kind) { - case 141: - node = node.parent; - break; - case 221: - case 180: - case 181: - if (!stopOnFunctions) { - continue; - } - case 146: - case 145: - case 148: - case 147: - case 149: - case 150: - case 151: - return node; - case 144: - if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; + }, + { + name: "typeRoots", + type: "list", + element: { + name: "typeRoots", + type: "string", + isFilePath: true } + }, + { + name: "types", + type: "list", + element: { + name: "types", + type: "string" + }, + description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation + }, + { + name: "traceResolution", + type: "boolean", + description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process + }, + { + name: "allowJs", + type: "boolean", + description: ts.Diagnostics.Allow_javascript_files_to_be_compiled + }, + { + name: "allowSyntheticDefaultImports", + type: "boolean", + description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking + }, + { + name: "noImplicitUseStrict", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output + }, + { + name: "maxNodeModuleJsDepth", + type: "number", + description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files + }, + { + name: "listEmittedFiles", + type: "boolean" + }, + { + name: "lib", + type: "list", + element: { + name: "lib", + type: ts.createMap({ + "es5": "lib.es5.d.ts", + "es6": "lib.es2015.d.ts", + "es2015": "lib.es2015.d.ts", + "es7": "lib.es2016.d.ts", + "es2016": "lib.es2016.d.ts", + "es2017": "lib.es2017.d.ts", + "dom": "lib.dom.d.ts", + "dom.iterable": "lib.dom.iterable.d.ts", + "webworker": "lib.webworker.d.ts", + "scripthost": "lib.scripthost.d.ts", + "es2015.core": "lib.es2015.core.d.ts", + "es2015.collection": "lib.es2015.collection.d.ts", + "es2015.generator": "lib.es2015.generator.d.ts", + "es2015.iterable": "lib.es2015.iterable.d.ts", + "es2015.promise": "lib.es2015.promise.d.ts", + "es2015.proxy": "lib.es2015.proxy.d.ts", + "es2015.reflect": "lib.es2015.reflect.d.ts", + "es2015.symbol": "lib.es2015.symbol.d.ts", + "es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts", + "es2016.array.include": "lib.es2016.array.include.d.ts", + "es2017.object": "lib.es2017.object.d.ts", + "es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts" + }), + }, + description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon + }, + { + name: "disableSizeLimit", + type: "boolean" + }, + { + name: "strictNullChecks", + type: "boolean", + description: ts.Diagnostics.Enable_strict_null_checks + }, + { + name: "importHelpers", + type: "boolean", + description: ts.Diagnostics.Import_emit_helpers_from_tslib + }, + { + name: "alwaysStrict", + type: "boolean", + description: ts.Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file } - } - ts.getSuperContainer = getSuperContainer; - function getImmediatelyInvokedFunctionExpression(func) { - if (func.kind === 180 || func.kind === 181) { - var prev = func; - var parent_3 = func.parent; - while (parent_3.kind === 179) { - prev = parent_3; - parent_3 = parent_3.parent; + ]; + ts.typingOptionDeclarations = [ + { + name: "enableAutoDiscovery", + type: "boolean", + }, + { + name: "include", + type: "list", + element: { + name: "include", + type: "string" } - if (parent_3.kind === 175 && parent_3.expression === prev) { - return parent_3; + }, + { + name: "exclude", + type: "list", + element: { + name: "exclude", + type: "string" } } - } - ts.getImmediatelyInvokedFunctionExpression = getImmediatelyInvokedFunctionExpression; - function isSuperProperty(node) { - var kind = node.kind; - return (kind === 173 || kind === 174) - && node.expression.kind === 96; - } - ts.isSuperProperty = isSuperProperty; - function getEntityNameFromTypeNode(node) { - if (node) { - switch (node.kind) { - case 156: - return node.typeName; - case 195: - ts.Debug.assert(isEntityNameExpression(node.expression)); - return node.expression; - case 70: - case 140: - return node; - } + ]; + ts.defaultInitCompilerOptions = { + module: ts.ModuleKind.CommonJS, + target: 1, + noImplicitAny: false, + sourceMap: false, + }; + var optionNameMapCache; + function getOptionNameMap() { + if (optionNameMapCache) { + return optionNameMapCache; } - return undefined; + var optionNameMap = ts.createMap(); + var shortOptionNames = ts.createMap(); + ts.forEach(ts.optionDeclarations, function (option) { + optionNameMap[option.name.toLowerCase()] = option; + if (option.shortName) { + shortOptionNames[option.shortName] = option.name; + } + }); + optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; + return optionNameMapCache; } - ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; - function isCallLikeExpression(node) { - switch (node.kind) { - case 175: - case 176: - case 177: - case 144: - return true; - default: - return false; - } + ts.getOptionNameMap = getOptionNameMap; + function createCompilerDiagnosticForInvalidCustomType(opt) { + var namesOfType = Object.keys(opt.type).map(function (key) { return "'" + key + "'"; }).join(", "); + return ts.createCompilerDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType); } - ts.isCallLikeExpression = isCallLikeExpression; - function getInvokedExpression(node) { - if (node.kind === 177) { - return node.tag; + ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType; + function parseCustomTypeOption(opt, value, errors) { + var key = trimString((value || "")).toLowerCase(); + var map = opt.type; + if (key in map) { + return map[key]; } - return node.expression; - } - ts.getInvokedExpression = getInvokedExpression; - function nodeCanBeDecorated(node) { - switch (node.kind) { - case 222: - return true; - case 146: - return node.parent.kind === 222; - case 150: - case 151: - case 148: - return node.body !== undefined - && node.parent.kind === 222; - case 143: - return node.parent.body !== undefined - && (node.parent.kind === 149 - || node.parent.kind === 148 - || node.parent.kind === 151) - && node.parent.parent.kind === 222; + else { + errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); } - return false; - } - ts.nodeCanBeDecorated = nodeCanBeDecorated; - function nodeIsDecorated(node) { - return node.decorators !== undefined - && nodeCanBeDecorated(node); } - ts.nodeIsDecorated = nodeIsDecorated; - function nodeOrChildIsDecorated(node) { - return nodeIsDecorated(node) || childIsDecorated(node); - } - ts.nodeOrChildIsDecorated = nodeOrChildIsDecorated; - function childIsDecorated(node) { - switch (node.kind) { - case 222: - return ts.forEach(node.members, nodeOrChildIsDecorated); - case 148: - case 151: - return ts.forEach(node.parameters, nodeIsDecorated); + ts.parseCustomTypeOption = parseCustomTypeOption; + function parseListTypeOption(opt, value, errors) { + if (value === void 0) { value = ""; } + value = trimString(value); + if (ts.startsWith(value, "-")) { + return undefined; } - } - ts.childIsDecorated = childIsDecorated; - function isJSXTagName(node) { - var parent = node.parent; - if (parent.kind === 244 || - parent.kind === 243 || - parent.kind === 245) { - return parent.tagName === node; + if (value === "") { + return []; + } + var values = value.split(","); + switch (opt.element.type) { + case "number": + return ts.map(values, parseInt); + case "string": + return ts.map(values, function (v) { return v || ""; }); + default: + return ts.filter(ts.map(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }), function (v) { return !!v; }); } - return false; } - ts.isJSXTagName = isJSXTagName; - function isPartOfExpression(node) { - switch (node.kind) { - case 98: - case 96: - case 94: - case 100: - case 85: - case 11: - case 171: - case 172: - case 173: - case 174: - case 175: - case 176: - case 177: - case 196: - case 178: - case 197: - case 179: - case 180: - case 193: - case 181: - case 184: - case 182: - case 183: - case 186: - case 187: - case 188: - case 189: - case 192: - case 190: - case 12: - case 194: - case 242: - case 243: - case 191: - case 185: - return true; - case 140: - while (node.parent.kind === 140) { - node = node.parent; - } - return node.parent.kind === 159 || isJSXTagName(node); - case 70: - if (node.parent.kind === 159 || isJSXTagName(node)) { - return true; + ts.parseListTypeOption = parseListTypeOption; + function parseCommandLine(commandLine, readFile) { + var options = {}; + var fileNames = []; + var errors = []; + var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; + parseStrings(commandLine); + return { + options: options, + fileNames: fileNames, + errors: errors + }; + function parseStrings(args) { + var i = 0; + while (i < args.length) { + var s = args[i]; + i++; + if (s.charCodeAt(0) === 64) { + parseResponseFile(s.slice(1)); } - case 8: - case 9: - case 98: - var parent_4 = node.parent; - switch (parent_4.kind) { - case 219: - case 143: - case 146: - case 145: - case 255: - case 253: - case 170: - return parent_4.initializer === node; - case 203: - case 204: - case 205: - case 206: - case 212: - case 213: - case 214: - case 249: - case 216: - case 214: - return parent_4.expression === node; - case 207: - var forStatement = parent_4; - return (forStatement.initializer === node && forStatement.initializer.kind !== 220) || - forStatement.condition === node || - forStatement.incrementor === node; - case 208: - case 209: - var forInStatement = parent_4; - return (forInStatement.initializer === node && forInStatement.initializer.kind !== 220) || - forInStatement.expression === node; - case 178: - case 196: - return node === parent_4.expression; - case 198: - return node === parent_4.expression; - case 141: - return node === parent_4.expression; - case 144: - case 248: - case 247: - return true; - case 195: - return parent_4.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_4); - default: - if (isPartOfExpression(parent_4)) { - return true; + else if (s.charCodeAt(0) === 45) { + s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); + if (s in shortOptionNames) { + s = shortOptionNames[s]; + } + if (s in optionNameMap) { + var opt = optionNameMap[s]; + if (opt.isTSConfigOnly) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name)); + } + else { + if (!args[i] && opt.type !== "boolean") { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); + } + switch (opt.type) { + case "number": + options[opt.name] = parseInt(args[i]); + i++; + break; + case "boolean": + var optValue = args[i]; + options[opt.name] = optValue !== "false"; + if (optValue === "false" || optValue === "true") { + i++; + } + break; + case "string": + options[opt.name] = args[i] || ""; + i++; + break; + case "list": + var result = parseListTypeOption(opt, args[i], errors); + options[opt.name] = result || []; + if (result) { + i++; + } + break; + default: + options[opt.name] = parseCustomTypeOption(opt, args[i], errors); + i++; + break; + } } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); + } + } + else { + fileNames.push(s); } + } + } + function parseResponseFile(fileName) { + var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); + if (!text) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); + return; + } + var args = []; + var pos = 0; + while (true) { + while (pos < text.length && text.charCodeAt(pos) <= 32) + pos++; + if (pos >= text.length) + break; + var start = pos; + if (text.charCodeAt(start) === 34) { + pos++; + while (pos < text.length && text.charCodeAt(pos) !== 34) + pos++; + if (pos < text.length) { + args.push(text.substring(start + 1, pos)); + pos++; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + } + } + else { + while (text.charCodeAt(pos) > 32) + pos++; + args.push(text.substring(start, pos)); + } + } + parseStrings(args); } - return false; - } - ts.isPartOfExpression = isPartOfExpression; - function isInstantiatedModule(node, preserveConstEnums) { - var moduleState = ts.getModuleInstanceState(node); - return moduleState === 1 || - (preserveConstEnums && moduleState === 2); - } - ts.isInstantiatedModule = isInstantiatedModule; - function isExternalModuleImportEqualsDeclaration(node) { - return node.kind === 230 && node.moduleReference.kind === 241; - } - ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; - function getExternalModuleImportEqualsDeclarationExpression(node) { - ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); - return node.moduleReference.expression; - } - ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; - function isInternalModuleImportEqualsDeclaration(node) { - return node.kind === 230 && node.moduleReference.kind !== 241; } - ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; - function isSourceFileJavaScript(file) { - return isInJavaScriptFile(file); + ts.parseCommandLine = parseCommandLine; + function readConfigFile(fileName, readFile) { + var text = ""; + try { + text = readFile(fileName); + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; + } + return parseConfigFileTextToJson(fileName, text); } - ts.isSourceFileJavaScript = isSourceFileJavaScript; - function isInJavaScriptFile(node) { - return node && !!(node.flags & 1048576); + ts.readConfigFile = readConfigFile; + function parseConfigFileTextToJson(fileName, jsonText, stripComments) { + if (stripComments === void 0) { stripComments = true; } + try { + var jsonTextToParse = stripComments ? removeComments(jsonText) : jsonText; + return { config: /\S/.test(jsonTextToParse) ? JSON.parse(jsonTextToParse) : {} }; + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + } } - ts.isInJavaScriptFile = isInJavaScriptFile; - function isRequireCall(expression, checkArgumentIsStringLiteral) { - var isRequire = expression.kind === 175 && - expression.expression.kind === 70 && - expression.expression.text === "require" && - expression.arguments.length === 1; - return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); - } - ts.isRequireCall = isRequireCall; - function isSingleOrDoubleQuote(charCode) { - return charCode === 39 || charCode === 34; - } - ts.isSingleOrDoubleQuote = isSingleOrDoubleQuote; - function isDeclarationOfFunctionExpression(s) { - if (s.valueDeclaration && s.valueDeclaration.kind === 219) { - var declaration = s.valueDeclaration; - return declaration.initializer && declaration.initializer.kind === 180; - } - return false; - } - ts.isDeclarationOfFunctionExpression = isDeclarationOfFunctionExpression; - function getSpecialPropertyAssignmentKind(expression) { - if (!isInJavaScriptFile(expression)) { - return 0; - } - if (expression.kind !== 188) { - return 0; - } - var expr = expression; - if (expr.operatorToken.kind !== 57 || expr.left.kind !== 173) { - return 0; + ts.parseConfigFileTextToJson = parseConfigFileTextToJson; + function generateTSConfig(options, fileNames) { + var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions); + var configurations = { + compilerOptions: serializeCompilerOptions(compilerOptions) + }; + if (fileNames && fileNames.length) { + configurations.files = fileNames; } - var lhs = expr.left; - if (lhs.expression.kind === 70) { - var lhsId = lhs.expression; - if (lhsId.text === "exports") { - return 1; + return configurations; + function getCustomTypeMapOfCommandLineOption(optionDefinition) { + if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") { + return undefined; } - else if (lhsId.text === "module" && lhs.name.text === "exports") { - return 2; + else if (optionDefinition.type === "list") { + return getCustomTypeMapOfCommandLineOption(optionDefinition.element); + } + else { + return optionDefinition.type; } } - else if (lhs.expression.kind === 98) { - return 4; - } - else if (lhs.expression.kind === 173) { - var innerPropertyAccess = lhs.expression; - if (innerPropertyAccess.expression.kind === 70) { - var innerPropertyAccessIdentifier = innerPropertyAccess.expression; - if (innerPropertyAccessIdentifier.text === "module" && innerPropertyAccess.name.text === "exports") { - return 1; - } - if (innerPropertyAccess.name.text === "prototype") { - return 3; + function getNameOfCompilerOptionValue(value, customTypeMap) { + for (var key in customTypeMap) { + if (customTypeMap[key] === value) { + return key; } } + return undefined; } - return 0; - } - ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; - function getExternalModuleName(node) { - if (node.kind === 231) { - return node.moduleSpecifier; - } - if (node.kind === 230) { - var reference = node.moduleReference; - if (reference.kind === 241) { - return reference.expression; + function serializeCompilerOptions(options) { + var result = ts.createMap(); + var optionsNameMap = getOptionNameMap().optionNameMap; + for (var name_5 in options) { + if (ts.hasProperty(options, name_5)) { + switch (name_5) { + case "init": + case "watch": + case "version": + case "help": + case "project": + break; + default: + var value = options[name_5]; + var optionDefinition = optionsNameMap[name_5.toLowerCase()]; + if (optionDefinition) { + var customTypeMap = getCustomTypeMapOfCommandLineOption(optionDefinition); + if (!customTypeMap) { + result[name_5] = value; + } + else { + if (optionDefinition.type === "list") { + var convertedValue = []; + for (var _i = 0, _a = value; _i < _a.length; _i++) { + var element = _a[_i]; + convertedValue.push(getNameOfCompilerOptionValue(element, customTypeMap)); + } + result[name_5] = convertedValue; + } + else { + result[name_5] = getNameOfCompilerOptionValue(value, customTypeMap); + } + } + } + break; + } + } } + return result; } - if (node.kind === 237) { - return node.moduleSpecifier; - } - if (node.kind === 226 && node.name.kind === 9) { - return node.name; - } - } - ts.getExternalModuleName = getExternalModuleName; - function getNamespaceDeclarationNode(node) { - if (node.kind === 230) { - return node; - } - var importClause = node.importClause; - if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 233) { - return importClause.namedBindings; - } - } - ts.getNamespaceDeclarationNode = getNamespaceDeclarationNode; - function isDefaultImport(node) { - return node.kind === 231 - && node.importClause - && !!node.importClause.name; } - ts.isDefaultImport = isDefaultImport; - function hasQuestionToken(node) { - if (node) { - switch (node.kind) { - case 143: - case 148: - case 147: - case 254: - case 253: - case 146: - case 145: - return node.questionToken !== undefined; + ts.generateTSConfig = generateTSConfig; + function removeComments(jsonText) { + var output = ""; + var scanner = ts.createScanner(1, false, 0, jsonText); + var token; + while ((token = scanner.scan()) !== 1) { + switch (token) { + case 2: + case 3: + output += scanner.getTokenText().replace(/\S/g, " "); + break; + default: + output += scanner.getTokenText(); + break; } } - return false; - } - ts.hasQuestionToken = hasQuestionToken; - function isJSDocConstructSignature(node) { - return node.kind === 269 && - node.parameters.length > 0 && - node.parameters[0].type.kind === 271; + return output; } - ts.isJSDocConstructSignature = isJSDocConstructSignature; - function getJSDocTag(node, kind, checkParentVariableStatement) { - if (!node) { - return undefined; - } - var jsDocTags = getJSDocTags(node, checkParentVariableStatement); - if (!jsDocTags) { - return undefined; + function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack) { + if (existingOptions === void 0) { existingOptions = {}; } + if (resolutionStack === void 0) { resolutionStack = []; } + var errors = []; + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); + var resolvedPath = ts.toPath(configFileName || "", basePath, getCanonicalFileName); + if (resolutionStack.indexOf(resolvedPath) >= 0) { + return { + options: {}, + fileNames: [], + typingOptions: {}, + raw: json, + errors: [ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, resolutionStack.concat([resolvedPath]).join(" -> "))], + wildcardDirectories: {} + }; } - for (var _i = 0, jsDocTags_1 = jsDocTags; _i < jsDocTags_1.length; _i++) { - var tag = jsDocTags_1[_i]; - if (tag.kind === kind) { - return tag; + var options = convertCompilerOptionsFromJsonWorker(json["compilerOptions"], basePath, errors, configFileName); + var typingOptions = convertTypingOptionsFromJsonWorker(json["typingOptions"], basePath, errors, configFileName); + if (json["extends"]) { + var _a = [undefined, undefined, undefined, {}], include = _a[0], exclude = _a[1], files = _a[2], baseOptions = _a[3]; + if (typeof json["extends"] === "string") { + _b = (tryExtendsName(json["extends"]) || [include, exclude, files, baseOptions]), include = _b[0], exclude = _b[1], files = _b[2], baseOptions = _b[3]; } - } - } - function append(previous, additional) { - if (additional) { - if (!previous) { - previous = []; + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string")); } - for (var _i = 0, additional_1 = additional; _i < additional_1.length; _i++) { - var x = additional_1[_i]; - previous.push(x); + if (include && !json["include"]) { + json["include"] = include; } + if (exclude && !json["exclude"]) { + json["exclude"] = exclude; + } + if (files && !json["files"]) { + json["files"] = files; + } + options = ts.assign({}, baseOptions, options); } - return previous; - } - function getJSDocComments(node, checkParentVariableStatement) { - return getJSDocs(node, checkParentVariableStatement, function (docs) { return ts.map(docs, function (doc) { return doc.comment; }); }, function (tags) { return ts.map(tags, function (tag) { return tag.comment; }); }); - } - ts.getJSDocComments = getJSDocComments; - function getJSDocTags(node, checkParentVariableStatement) { - return getJSDocs(node, checkParentVariableStatement, function (docs) { - var result = []; - for (var _i = 0, docs_1 = docs; _i < docs_1.length; _i++) { - var doc = docs_1[_i]; - if (doc.tags) { - result.push.apply(result, doc.tags); - } + options = ts.extend(existingOptions, options); + options.configFilePath = configFileName; + var _c = getFileNames(errors), fileNames = _c.fileNames, wildcardDirectories = _c.wildcardDirectories; + var compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors); + return { + options: options, + fileNames: fileNames, + typingOptions: typingOptions, + raw: json, + errors: errors, + wildcardDirectories: wildcardDirectories, + compileOnSave: compileOnSave + }; + function tryExtendsName(extendedConfig) { + if (!(ts.isRootedDiskPath(extendedConfig) || ts.startsWith(ts.normalizeSlashes(extendedConfig), "./") || ts.startsWith(ts.normalizeSlashes(extendedConfig), "../"))) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_path_in_an_extends_options_must_be_relative_or_rooted)); + return; } - return result; - }, function (tags) { return tags; }); - } - function getJSDocs(node, checkParentVariableStatement, getDocs, getTags) { - var result = undefined; - if (checkParentVariableStatement) { - var isInitializerOfVariableDeclarationInStatement = isVariableLike(node.parent) && - (node.parent).initializer === node && - node.parent.parent.parent.kind === 201; - var isVariableOfVariableDeclarationStatement = isVariableLike(node) && - node.parent.parent.kind === 201; - var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : - isVariableOfVariableDeclarationStatement ? node.parent.parent : - undefined; - if (variableStatementNode) { - result = append(result, getJSDocs(variableStatementNode, checkParentVariableStatement, getDocs, getTags)); + var extendedConfigPath = ts.toPath(extendedConfig, basePath, getCanonicalFileName); + if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json")) { + extendedConfigPath = extendedConfigPath + ".json"; + if (!host.fileExists(extendedConfigPath)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_does_not_exist, extendedConfig)); + return; + } } - if (node.kind === 226 && - node.parent && node.parent.kind === 226) { - result = append(result, getJSDocs(node.parent, checkParentVariableStatement, getDocs, getTags)); + var extendedResult = readConfigFile(extendedConfigPath, function (path) { return host.readFile(path); }); + if (extendedResult.error) { + errors.push(extendedResult.error); + return; } - var parent_5 = node.parent; - var isSourceOfAssignmentExpressionStatement = parent_5 && parent_5.parent && - parent_5.kind === 188 && - parent_5.operatorToken.kind === 57 && - parent_5.parent.kind === 203; - if (isSourceOfAssignmentExpressionStatement) { - result = append(result, getJSDocs(parent_5.parent, checkParentVariableStatement, getDocs, getTags)); + var extendedDirname = ts.getDirectoryPath(extendedConfigPath); + var relativeDifference = ts.convertToRelativePath(extendedDirname, basePath, getCanonicalFileName); + var updatePath = function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference, path); }; + var result = parseJsonConfigFileContent(extendedResult.config, host, extendedDirname, undefined, ts.getBaseFileName(extendedConfigPath), resolutionStack.concat([resolvedPath])); + errors.push.apply(errors, result.errors); + var _a = ts.map(["include", "exclude", "files"], function (key) { + if (!json[key] && extendedResult.config[key]) { + return ts.map(extendedResult.config[key], updatePath); + } + }), include = _a[0], exclude = _a[1], files = _a[2]; + return [include, exclude, files, result.options]; + } + function getFileNames(errors) { + var fileNames; + if (ts.hasProperty(json, "files")) { + if (ts.isArray(json["files"])) { + fileNames = json["files"]; + if (fileNames.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json")); + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); + } } - var isPropertyAssignmentExpression = parent_5 && parent_5.kind === 253; - if (isPropertyAssignmentExpression) { - result = append(result, getJSDocs(parent_5, checkParentVariableStatement, getDocs, getTags)); + var includeSpecs; + if (ts.hasProperty(json, "include")) { + if (ts.isArray(json["include"])) { + includeSpecs = json["include"]; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array")); + } } - if (node.kind === 143) { - var paramTags = getJSDocParameterTag(node, checkParentVariableStatement); - if (paramTags) { - result = append(result, getTags(paramTags)); + var excludeSpecs; + if (ts.hasProperty(json, "exclude")) { + if (ts.isArray(json["exclude"])) { + excludeSpecs = json["exclude"]; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array")); } } - } - if (isVariableLike(node) && node.initializer) { - result = append(result, getJSDocs(node.initializer, false, getDocs, getTags)); - } - if (node.jsDocComments) { - if (result) { - result = append(result, getDocs(node.jsDocComments)); + else if (ts.hasProperty(json, "excludes")) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude)); } else { - return getDocs(node.jsDocComments); + excludeSpecs = ["node_modules", "bower_components", "jspm_packages"]; + var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; + if (outDir) { + excludeSpecs.push(outDir); + } } - } - return result; - } - function getJSDocParameterTag(param, checkParentVariableStatement) { - var func = param.parent; - var tags = getJSDocTags(func, checkParentVariableStatement); - if (!param.name) { - var i = func.parameters.indexOf(param); - var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275; }); - if (paramTags && 0 <= i && i < paramTags.length) { - return [paramTags[i]]; + if (fileNames === undefined && includeSpecs === undefined) { + includeSpecs = ["**/*"]; } - } - else if (param.name.kind === 70) { - var name_5 = param.name.text; - var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275 && tag.parameterName.text === name_5; }); - if (paramTags) { - return paramTags; + var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + if (result.fileNames.length === 0 && !ts.hasProperty(json, "files") && resolutionStack.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || []))); } + return result; } - else { - return undefined; - } - } - function getJSDocTypeTag(node) { - return getJSDocTag(node, 277, false); + var _b; } - ts.getJSDocTypeTag = getJSDocTypeTag; - function getJSDocReturnTag(node) { - return getJSDocTag(node, 276, true); + ts.parseJsonConfigFileContent = parseJsonConfigFileContent; + function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) { + if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) { + return false; + } + var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors); + if (typeof result === "boolean" && result) { + return result; + } + return false; } - ts.getJSDocReturnTag = getJSDocReturnTag; - function getJSDocTemplateTag(node) { - return getJSDocTag(node, 278, false); + ts.convertCompileOnSaveOptionFromJson = convertCompileOnSaveOptionFromJson; + function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { + var errors = []; + var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); + return { options: options, errors: errors }; } - ts.getJSDocTemplateTag = getJSDocTemplateTag; - function getCorrespondingJSDocParameterTag(parameter) { - if (parameter.name && parameter.name.kind === 70) { - var parameterName = parameter.name.text; - var jsDocTags = getJSDocTags(parameter.parent, true); - if (!jsDocTags) { - return undefined; - } - for (var _i = 0, jsDocTags_2 = jsDocTags; _i < jsDocTags_2.length; _i++) { - var tag = jsDocTags_2[_i]; - if (tag.kind === 275) { - var parameterTag = tag; - if (parameterTag.parameterName.text === parameterName) { - return parameterTag; - } - } - } - } - return undefined; + ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; + function convertTypingOptionsFromJson(jsonOptions, basePath, configFileName) { + var errors = []; + var options = convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); + return { options: options, errors: errors }; } - ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; - function hasRestParameter(s) { - return isRestParameter(ts.lastOrUndefined(s.parameters)); + ts.convertTypingOptionsFromJson = convertTypingOptionsFromJson; + function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { + var options = ts.getBaseFileName(configFileName) === "jsconfig.json" + ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true } + : {}; + convertOptionsFromJson(ts.optionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_compiler_option_0, errors); + return options; } - ts.hasRestParameter = hasRestParameter; - function hasDeclaredRestParameter(s) { - return isDeclaredRestParam(ts.lastOrUndefined(s.parameters)); + function convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { + var options = ts.getBaseFileName(configFileName) === "jsconfig.json" + ? { enableAutoDiscovery: true, include: [], exclude: [] } + : { enableAutoDiscovery: false, include: [], exclude: [] }; + convertOptionsFromJson(ts.typingOptionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_typing_option_0, errors); + return options; } - ts.hasDeclaredRestParameter = hasDeclaredRestParameter; - function isRestParameter(node) { - if (node && (node.flags & 1048576)) { - if (node.type && node.type.kind === 270) { - return true; + function convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, defaultOptions, diagnosticMessage, errors) { + if (!jsonOptions) { + return; + } + var optionNameMap = ts.arrayToMap(optionDeclarations, function (opt) { return opt.name; }); + for (var id in jsonOptions) { + if (id in optionNameMap) { + var opt = optionNameMap[id]; + defaultOptions[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors); } - var paramTag = getCorrespondingJSDocParameterTag(node); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 270; + else { + errors.push(ts.createCompilerDiagnostic(diagnosticMessage, id)); } } - return isDeclaredRestParam(node); - } - ts.isRestParameter = isRestParameter; - function isDeclaredRestParam(node) { - return node && node.dotDotDotToken !== undefined; } - ts.isDeclaredRestParam = isDeclaredRestParam; - function isAssignmentTarget(node) { - while (node.parent.kind === 179) { - node = node.parent; + function convertJsonOption(opt, value, basePath, errors) { + var optType = opt.type; + var expectedType = typeof optType === "string" ? optType : "string"; + if (optType === "list" && ts.isArray(value)) { + return convertJsonOptionOfListType(opt, value, basePath, errors); } - while (true) { - var parent_6 = node.parent; - if (parent_6.kind === 171 || parent_6.kind === 192) { - node = parent_6; - continue; + else if (typeof value === expectedType) { + if (typeof optType !== "string") { + return convertJsonOptionOfCustomType(opt, value, errors); } - if (parent_6.kind === 253 || parent_6.kind === 254) { - node = parent_6.parent; - continue; + else { + if (opt.isFilePath) { + value = ts.normalizePath(ts.combinePaths(basePath, value)); + if (value === "") { + value = "."; + } + } } - return parent_6.kind === 188 && - isAssignmentOperator(parent_6.operatorToken.kind) && - parent_6.left === node || - (parent_6.kind === 208 || parent_6.kind === 209) && - parent_6.initializer === node; + return value; } - } - ts.isAssignmentTarget = isAssignmentTarget; - function isNodeDescendantOf(node, ancestor) { - while (node) { - if (node === ancestor) - return true; - node = node.parent; + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, expectedType)); } - return false; } - ts.isNodeDescendantOf = isNodeDescendantOf; - function isInAmbientContext(node) { - while (node) { - if (hasModifier(node, 2) || (node.kind === 256 && node.isDeclarationFile)) { - return true; - } - node = node.parent; + function convertJsonOptionOfCustomType(opt, value, errors) { + var key = value.toLowerCase(); + if (key in opt.type) { + return opt.type[key]; } - return false; - } - ts.isInAmbientContext = isInAmbientContext; - function isDeclarationName(name) { - if (name.kind !== 70 && name.kind !== 9 && name.kind !== 8) { - return false; - } - var parent = name.parent; - if (parent.kind === 235 || parent.kind === 239) { - if (parent.propertyName) { - return true; - } - } - if (isDeclaration(parent)) { - return parent.name === name; - } - return false; - } - ts.isDeclarationName = isDeclarationName; - function isLiteralComputedPropertyDeclarationName(node) { - return (node.kind === 9 || node.kind === 8) && - node.parent.kind === 141 && - isDeclaration(node.parent.parent); - } - ts.isLiteralComputedPropertyDeclarationName = isLiteralComputedPropertyDeclarationName; - function isIdentifierName(node) { - var parent = node.parent; - switch (parent.kind) { - case 146: - case 145: - case 148: - case 147: - case 150: - case 151: - case 255: - case 253: - case 173: - return parent.name === node; - case 140: - if (parent.right === node) { - while (parent.kind === 140) { - parent = parent.parent; - } - return parent.kind === 159; - } - return false; - case 170: - case 235: - return parent.propertyName === node; - case 239: - return true; + else { + errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); } - return false; - } - ts.isIdentifierName = isIdentifierName; - function isAliasSymbolDeclaration(node) { - return node.kind === 230 || - node.kind === 229 || - node.kind === 232 && !!node.name || - node.kind === 233 || - node.kind === 235 || - node.kind === 239 || - node.kind === 236 && exportAssignmentIsAlias(node); - } - ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; - function exportAssignmentIsAlias(node) { - return isEntityNameExpression(node.expression); - } - ts.exportAssignmentIsAlias = exportAssignmentIsAlias; - function getClassExtendsHeritageClauseElement(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 84); - return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; } - ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; - function getClassImplementsHeritageClauseElements(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 107); - return heritageClause ? heritageClause.types : undefined; + function convertJsonOptionOfListType(option, values, basePath, errors) { + return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; }); } - ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; - function getInterfaceBaseTypeNodes(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 84); - return heritageClause ? heritageClause.types : undefined; + function trimString(s) { + return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, ""); } - ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; - function getHeritageClause(clauses, kind) { - if (clauses) { - for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { - var clause = clauses_1[_i]; - if (clause.token === kind) { - return clause; - } - } + var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/; + var invalidMultipleRecursionPatterns = /(^|\/)\*\*\/(.*\/)?\*\*($|\/)/; + var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/; + var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//; + var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/; + function matchFileNames(fileNames, include, exclude, basePath, options, host, errors) { + basePath = ts.normalizePath(basePath); + var keyMapper = host.useCaseSensitiveFileNames ? caseSensitiveKeyMapper : caseInsensitiveKeyMapper; + var literalFileMap = ts.createMap(); + var wildcardFileMap = ts.createMap(); + if (include) { + include = validateSpecs(include, errors, false); } - return undefined; - } - ts.getHeritageClause = getHeritageClause; - function tryResolveScriptReference(host, sourceFile, reference) { - if (!host.getCompilerOptions().noResolve) { - var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); - return host.getSourceFile(referenceFileName); + if (exclude) { + exclude = validateSpecs(exclude, errors, true); } - } - ts.tryResolveScriptReference = tryResolveScriptReference; - function getAncestor(node, kind) { - while (node) { - if (node.kind === kind) { - return node; + var wildcardDirectories = getWildcardDirectories(include, exclude, basePath, host.useCaseSensitiveFileNames); + var supportedExtensions = ts.getSupportedExtensions(options); + if (fileNames) { + for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) { + var fileName = fileNames_1[_i]; + var file = ts.combinePaths(basePath, fileName); + literalFileMap[keyMapper(file)] = file; } - node = node.parent; } - return undefined; + if (include && include.length > 0) { + for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensions, exclude, include); _a < _b.length; _a++) { + var file = _b[_a]; + if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) { + continue; + } + removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper); + var key = keyMapper(file); + if (!(key in literalFileMap) && !(key in wildcardFileMap)) { + wildcardFileMap[key] = file; + } + } + } + var literalFiles = ts.reduceProperties(literalFileMap, addFileToOutput, []); + var wildcardFiles = ts.reduceProperties(wildcardFileMap, addFileToOutput, []); + wildcardFiles.sort(host.useCaseSensitiveFileNames ? ts.compareStrings : ts.compareStringsCaseInsensitive); + return { + fileNames: literalFiles.concat(wildcardFiles), + wildcardDirectories: wildcardDirectories + }; } - ts.getAncestor = getAncestor; - function getFileReferenceFromReferencePath(comment, commentRange) { - var simpleReferenceRegEx = /^\/\/\/\s*/gim; - if (simpleReferenceRegEx.test(comment)) { - if (isNoDefaultLibRegEx.test(comment)) { - return { - isNoDefaultLib: true - }; + function validateSpecs(specs, errors, allowTrailingRecursion) { + var validSpecs = []; + for (var _i = 0, specs_2 = specs; _i < specs_2.length; _i++) { + var spec = specs_2[_i]; + if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); + } + else if (invalidMultipleRecursionPatterns.test(spec)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0, spec)); + } + else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); } else { - var refMatchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); - var refLibResult = !refMatchResult && ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx.exec(comment); - if (refMatchResult || refLibResult) { - var start = commentRange.pos; - var end = commentRange.end; - return { - fileReference: { - pos: start, - end: end, - fileName: (refMatchResult || refLibResult)[3] - }, - isNoDefaultLib: false, - isTypeReferenceDirective: !!refLibResult - }; - } - return { - diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, - isNoDefaultLib: false - }; + validSpecs.push(spec); } } - return undefined; - } - ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; - function isKeyword(token) { - return 71 <= token && token <= 139; - } - ts.isKeyword = isKeyword; - function isTrivia(token) { - return 2 <= token && token <= 7; - } - ts.isTrivia = isTrivia; - function isAsyncFunctionLike(node) { - return isFunctionLike(node) && hasModifier(node, 256) && !isAccessor(node); - } - ts.isAsyncFunctionLike = isAsyncFunctionLike; - function isStringOrNumericLiteral(kind) { - return kind === 9 || kind === 8; - } - ts.isStringOrNumericLiteral = isStringOrNumericLiteral; - function hasDynamicName(declaration) { - return declaration.name && isDynamicName(declaration.name); - } - ts.hasDynamicName = hasDynamicName; - function isDynamicName(name) { - return name.kind === 141 && - !isStringOrNumericLiteral(name.expression.kind) && - !isWellKnownSymbolSyntactically(name.expression); - } - ts.isDynamicName = isDynamicName; - function isWellKnownSymbolSyntactically(node) { - return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + return validSpecs; } - ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; - function getPropertyNameForPropertyNameNode(name) { - if (name.kind === 70 || name.kind === 9 || name.kind === 8 || name.kind === 143) { - return name.text; - } - if (name.kind === 141) { - var nameExpression = name.expression; - if (isWellKnownSymbolSyntactically(nameExpression)) { - var rightHandSideName = nameExpression.name.text; - return getPropertyNameForKnownSymbolName(rightHandSideName); + function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) { + var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude"); + var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i"); + var wildcardDirectories = ts.createMap(); + if (include !== undefined) { + var recursiveKeys = []; + for (var _i = 0, include_1 = include; _i < include_1.length; _i++) { + var file = include_1[_i]; + var name_6 = ts.normalizePath(ts.combinePaths(path, file)); + if (excludeRegex && excludeRegex.test(name_6)) { + continue; + } + var match = wildcardDirectoryPattern.exec(name_6); + if (match) { + var key = useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase(); + var flags = watchRecursivePattern.test(name_6) ? 1 : 0; + var existingFlags = wildcardDirectories[key]; + if (existingFlags === undefined || existingFlags < flags) { + wildcardDirectories[key] = flags; + if (flags === 1) { + recursiveKeys.push(key); + } + } + } } - else if (nameExpression.kind === 9 || nameExpression.kind === 8) { - return nameExpression.text; + for (var key in wildcardDirectories) { + for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) { + var recursiveKey = recursiveKeys_1[_a]; + if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) { + delete wildcardDirectories[key]; + } + } } } - return undefined; - } - ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; - function getPropertyNameForKnownSymbolName(symbolName) { - return "__@" + symbolName; - } - ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; - function isESSymbolIdentifier(node) { - return node.kind === 70 && node.text === "Symbol"; - } - ts.isESSymbolIdentifier = isESSymbolIdentifier; - function isPushOrUnshiftIdentifier(node) { - return node.text === "push" || node.text === "unshift"; + return wildcardDirectories; } - ts.isPushOrUnshiftIdentifier = isPushOrUnshiftIdentifier; - function isModifierKind(token) { - switch (token) { - case 116: - case 119: - case 75: - case 123: - case 78: - case 83: - case 113: - case 111: - case 112: - case 129: - case 114: + function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) { + var extensionPriority = ts.getExtensionPriority(file, extensions); + var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority); + for (var i = 0; i < adjustedExtensionPriority; i++) { + var higherPriorityExtension = extensions[i]; + var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension)); + if (higherPriorityPath in literalFiles || higherPriorityPath in wildcardFiles) { return true; + } } return false; } - ts.isModifierKind = isModifierKind; - function isParameterDeclaration(node) { - var root = getRootDeclaration(node); - return root.kind === 143; - } - ts.isParameterDeclaration = isParameterDeclaration; - function getRootDeclaration(node) { - while (node.kind === 170) { - node = node.parent.parent; + function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) { + var extensionPriority = ts.getExtensionPriority(file, extensions); + var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority); + for (var i = nextExtensionPriority; i < extensions.length; i++) { + var lowerPriorityExtension = extensions[i]; + var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension)); + delete wildcardFiles[lowerPriorityPath]; } - return node; - } - ts.getRootDeclaration = getRootDeclaration; - function nodeStartsNewLexicalEnvironment(node) { - var kind = node.kind; - return kind === 149 - || kind === 180 - || kind === 221 - || kind === 181 - || kind === 148 - || kind === 150 - || kind === 151 - || kind === 226 - || kind === 256; - } - ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; - function nodeIsSynthesized(node) { - return ts.positionIsSynthesized(node.pos) - || ts.positionIsSynthesized(node.end); } - ts.nodeIsSynthesized = nodeIsSynthesized; - function getOriginalNode(node) { - if (node) { - while (node.original !== undefined) { - node = node.original; - } - } - return node; + function addFileToOutput(output, file) { + output.push(file); + return output; } - ts.getOriginalNode = getOriginalNode; - function isParseTreeNode(node) { - return (node.flags & 8) === 0; + function caseSensitiveKeyMapper(key) { + return key; } - ts.isParseTreeNode = isParseTreeNode; - function getParseTreeNode(node, nodeTest) { - if (isParseTreeNode(node)) { - return node; - } - node = getOriginalNode(node); - if (isParseTreeNode(node) && (!nodeTest || nodeTest(node))) { - return node; - } - return undefined; + function caseInsensitiveKeyMapper(key) { + return key.toLowerCase(); } - ts.getParseTreeNode = getParseTreeNode; - function getOriginalSourceFiles(sourceFiles) { - var originalSourceFiles = []; - for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { - var sourceFile = sourceFiles_1[_i]; - var originalSourceFile = getParseTreeNode(sourceFile, isSourceFile); - if (originalSourceFile) { - originalSourceFiles.push(originalSourceFile); +})(ts || (ts = {})); +var ts; +(function (ts) { + var JsTyping; + (function (JsTyping) { + ; + ; + var safeList; + var EmptySafeList = ts.createMap(); + JsTyping.nodeCoreModuleList = [ + "buffer", "querystring", "events", "http", "cluster", + "zlib", "os", "https", "punycode", "repl", "readline", + "vm", "child_process", "url", "dns", "net", + "dgram", "fs", "path", "string_decoder", "tls", + "crypto", "stream", "util", "assert", "tty", "domain", + "constants", "process", "v8", "timers", "console" + ]; + var nodeCoreModules = ts.arrayToMap(JsTyping.nodeCoreModuleList, function (x) { return x; }); + function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions, unresolvedImports) { + var inferredTypings = ts.createMap(); + if (!typingOptions || !typingOptions.enableAutoDiscovery) { + return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] }; } - } - return originalSourceFiles; - } - ts.getOriginalSourceFiles = getOriginalSourceFiles; - function getOriginalNodeId(node) { - node = getOriginalNode(node); - return node ? ts.getNodeId(node) : 0; - } - ts.getOriginalNodeId = getOriginalNodeId; - (function (Associativity) { - Associativity[Associativity["Left"] = 0] = "Left"; - Associativity[Associativity["Right"] = 1] = "Right"; - })(ts.Associativity || (ts.Associativity = {})); - var Associativity = ts.Associativity; - function getExpressionAssociativity(expression) { - var operator = getOperator(expression); - var hasArguments = expression.kind === 176 && expression.arguments !== undefined; - return getOperatorAssociativity(expression.kind, operator, hasArguments); - } - ts.getExpressionAssociativity = getExpressionAssociativity; - function getOperatorAssociativity(kind, operator, hasArguments) { - switch (kind) { - case 176: - return hasArguments ? 0 : 1; - case 186: - case 183: - case 184: - case 182: - case 185: - case 189: - case 191: - return 1; - case 188: - switch (operator) { - case 39: - case 57: - case 58: - case 59: - case 61: - case 60: - case 62: - case 63: - case 64: - case 65: - case 66: - case 67: - case 69: - case 68: - return 1; + fileNames = ts.filter(ts.map(fileNames, ts.normalizePath), function (f) { + var kind = ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)); + return kind === 1 || kind === 2; + }); + if (!safeList) { + var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); }); + safeList = result.config ? ts.createMap(result.config) : EmptySafeList; + } + var filesToWatch = []; + var searchDirs = []; + var exclude = []; + mergeTypings(typingOptions.include); + exclude = typingOptions.exclude || []; + var possibleSearchDirs = ts.map(fileNames, ts.getDirectoryPath); + if (projectRootPath !== undefined) { + possibleSearchDirs.push(projectRootPath); + } + searchDirs = ts.deduplicate(possibleSearchDirs); + for (var _i = 0, searchDirs_1 = searchDirs; _i < searchDirs_1.length; _i++) { + var searchDir = searchDirs_1[_i]; + var packageJsonPath = ts.combinePaths(searchDir, "package.json"); + getTypingNamesFromJson(packageJsonPath, filesToWatch); + var bowerJsonPath = ts.combinePaths(searchDir, "bower.json"); + getTypingNamesFromJson(bowerJsonPath, filesToWatch); + var nodeModulesPath = ts.combinePaths(searchDir, "node_modules"); + getTypingNamesFromNodeModuleFolder(nodeModulesPath); + } + getTypingNamesFromSourceFileNames(fileNames); + if (unresolvedImports) { + for (var _a = 0, unresolvedImports_1 = unresolvedImports; _a < unresolvedImports_1.length; _a++) { + var moduleId = unresolvedImports_1[_a]; + var typingName = moduleId in nodeCoreModules ? "node" : moduleId; + if (!(typingName in inferredTypings)) { + inferredTypings[typingName] = undefined; + } } - } - return 0; - } - ts.getOperatorAssociativity = getOperatorAssociativity; - function getExpressionPrecedence(expression) { - var operator = getOperator(expression); - var hasArguments = expression.kind === 176 && expression.arguments !== undefined; - return getOperatorPrecedence(expression.kind, operator, hasArguments); - } - ts.getExpressionPrecedence = getExpressionPrecedence; - function getOperator(expression) { - if (expression.kind === 188) { - return expression.operatorToken.kind; - } - else if (expression.kind === 186 || expression.kind === 187) { - return expression.operator; - } - else { - return expression.kind; - } - } - ts.getOperator = getOperator; - function getOperatorPrecedence(nodeKind, operatorKind, hasArguments) { - switch (nodeKind) { - case 98: - case 96: - case 70: - case 94: - case 100: - case 85: - case 8: - case 9: - case 171: - case 172: - case 180: - case 181: - case 193: - case 242: - case 243: - case 11: - case 12: - case 190: - case 179: - case 194: - return 19; - case 177: - case 173: - case 174: - return 18; - case 176: - return hasArguments ? 18 : 17; - case 175: - return 17; - case 187: - return 16; - case 186: - case 183: - case 184: - case 182: - case 185: - return 15; - case 188: - switch (operatorKind) { - case 50: - case 51: - return 15; - case 39: - case 38: - case 40: - case 41: - return 14; - case 36: - case 37: - return 13; - case 44: - case 45: - case 46: - return 12; - case 26: - case 29: - case 28: - case 30: - case 91: - case 92: - return 11; - case 31: - case 33: - case 32: - case 34: - return 10; - case 47: - return 9; - case 49: - return 8; - case 48: - return 7; - case 52: - return 6; - case 53: - return 5; - case 57: - case 58: - case 59: - case 61: - case 60: - case 62: - case 63: - case 64: - case 65: - case 66: - case 67: - case 69: - case 68: - return 3; - case 25: - return 0; - default: - return -1; + } + for (var name_7 in packageNameToTypingLocation) { + if (name_7 in inferredTypings && !inferredTypings[name_7]) { + inferredTypings[name_7] = packageNameToTypingLocation[name_7]; } - case 189: - return 4; - case 191: - return 2; - case 192: - return 1; - default: - return -1; - } - } - ts.getOperatorPrecedence = getOperatorPrecedence; - function createDiagnosticCollection() { - var nonFileDiagnostics = []; - var fileDiagnostics = ts.createMap(); - var diagnosticsModified = false; - var modificationCount = 0; - return { - add: add, - getGlobalDiagnostics: getGlobalDiagnostics, - getDiagnostics: getDiagnostics, - getModificationCount: getModificationCount, - reattachFileDiagnostics: reattachFileDiagnostics - }; - function getModificationCount() { - return modificationCount; - } - function reattachFileDiagnostics(newFile) { - if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { - return; } - for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { - var diagnostic = _a[_i]; - diagnostic.file = newFile; + for (var _b = 0, exclude_1 = exclude; _b < exclude_1.length; _b++) { + var excludeTypingName = exclude_1[_b]; + delete inferredTypings[excludeTypingName]; } - } - function add(diagnostic) { - var diagnostics; - if (diagnostic.file) { - diagnostics = fileDiagnostics[diagnostic.file.fileName]; - if (!diagnostics) { - diagnostics = []; - fileDiagnostics[diagnostic.file.fileName] = diagnostics; + var newTypingNames = []; + var cachedTypingPaths = []; + for (var typing in inferredTypings) { + if (inferredTypings[typing] !== undefined) { + cachedTypingPaths.push(inferredTypings[typing]); + } + else { + newTypingNames.push(typing); } } - else { - diagnostics = nonFileDiagnostics; + return { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch }; + function mergeTypings(typingNames) { + if (!typingNames) { + return; + } + for (var _i = 0, typingNames_1 = typingNames; _i < typingNames_1.length; _i++) { + var typing = typingNames_1[_i]; + if (!(typing in inferredTypings)) { + inferredTypings[typing] = undefined; + } + } } - diagnostics.push(diagnostic); - diagnosticsModified = true; - modificationCount++; - } - function getGlobalDiagnostics() { - sortAndDeduplicate(); - return nonFileDiagnostics; - } - function getDiagnostics(fileName) { - sortAndDeduplicate(); - if (fileName) { - return fileDiagnostics[fileName] || []; + function getTypingNamesFromJson(jsonPath, filesToWatch) { + if (host.fileExists(jsonPath)) { + filesToWatch.push(jsonPath); + } + var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }); + if (result.config) { + var jsonConfig = result.config; + if (jsonConfig.dependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.dependencies)); + } + if (jsonConfig.devDependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.devDependencies)); + } + if (jsonConfig.optionalDependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.optionalDependencies)); + } + if (jsonConfig.peerDependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.peerDependencies)); + } + } } - var allDiagnostics = []; - function pushDiagnostic(d) { - allDiagnostics.push(d); + function getTypingNamesFromSourceFileNames(fileNames) { + var jsFileNames = ts.filter(fileNames, ts.hasJavaScriptFileExtension); + var inferredTypingNames = ts.map(jsFileNames, function (f) { return ts.removeFileExtension(ts.getBaseFileName(f.toLowerCase())); }); + var cleanedTypingNames = ts.map(inferredTypingNames, function (f) { return f.replace(/((?:\.|-)min(?=\.|$))|((?:-|\.)\d+)/g, ""); }); + if (safeList !== EmptySafeList) { + mergeTypings(ts.filter(cleanedTypingNames, function (f) { return f in safeList; })); + } + var hasJsxFile = ts.forEach(fileNames, function (f) { return ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)) === 2; }); + if (hasJsxFile) { + mergeTypings(["react"]); + } } - ts.forEach(nonFileDiagnostics, pushDiagnostic); - for (var key in fileDiagnostics) { - ts.forEach(fileDiagnostics[key], pushDiagnostic); + function getTypingNamesFromNodeModuleFolder(nodeModulesPath) { + if (!host.directoryExists(nodeModulesPath)) { + return; + } + var typingNames = []; + var fileNames = host.readDirectory(nodeModulesPath, [".json"], undefined, undefined, 2); + for (var _i = 0, fileNames_2 = fileNames; _i < fileNames_2.length; _i++) { + var fileName = fileNames_2[_i]; + var normalizedFileName = ts.normalizePath(fileName); + if (ts.getBaseFileName(normalizedFileName) !== "package.json") { + continue; + } + var result = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); }); + if (!result.config) { + continue; + } + var packageJson = result.config; + if (packageJson._requiredBy && + ts.filter(packageJson._requiredBy, function (r) { return r[0] === "#" || r === "/"; }).length === 0) { + continue; + } + if (!packageJson.name) { + continue; + } + if (packageJson.typings) { + var absolutePath = ts.getNormalizedAbsolutePath(packageJson.typings, ts.getDirectoryPath(normalizedFileName)); + inferredTypings[packageJson.name] = absolutePath; + } + else { + typingNames.push(packageJson.name); + } + } + mergeTypings(typingNames); } - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); } - function sortAndDeduplicate() { - if (!diagnosticsModified) { - return; - } - diagnosticsModified = false; - nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); - for (var key in fileDiagnostics) { - fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); + JsTyping.discoverTypings = discoverTypings; + })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var server; + (function (server) { + (function (LogLevel) { + LogLevel[LogLevel["terse"] = 0] = "terse"; + LogLevel[LogLevel["normal"] = 1] = "normal"; + LogLevel[LogLevel["requestTime"] = 2] = "requestTime"; + LogLevel[LogLevel["verbose"] = 3] = "verbose"; + })(server.LogLevel || (server.LogLevel = {})); + var LogLevel = server.LogLevel; + server.emptyArray = []; + var Msg; + (function (Msg) { + Msg.Err = "Err"; + Msg.Info = "Info"; + Msg.Perf = "Perf"; + })(Msg = server.Msg || (server.Msg = {})); + function getProjectRootPath(project) { + switch (project.projectKind) { + case server.ProjectKind.Configured: + return ts.getDirectoryPath(project.getProjectName()); + case server.ProjectKind.Inferred: + return ""; + case server.ProjectKind.External: + var projectName = ts.normalizeSlashes(project.getProjectName()); + return project.projectService.host.fileExists(projectName) ? ts.getDirectoryPath(projectName) : projectName; } } - } - ts.createDiagnosticCollection = createDiagnosticCollection; - var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; - var escapedCharsMap = ts.createMap({ - "\0": "\\0", - "\t": "\\t", - "\v": "\\v", - "\f": "\\f", - "\b": "\\b", - "\r": "\\r", - "\n": "\\n", - "\\": "\\\\", - "\"": "\\\"", - "\u2028": "\\u2028", - "\u2029": "\\u2029", - "\u0085": "\\u0085" - }); - function escapeString(s) { - s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; - return s; - function getReplacement(c) { - return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); - } - } - ts.escapeString = escapeString; - function isIntrinsicJsxName(name) { - var ch = name.substr(0, 1); - return ch.toLowerCase() === ch; - } - ts.isIntrinsicJsxName = isIntrinsicJsxName; - function get16BitUnicodeEscapeSequence(charCode) { - var hexCharCode = charCode.toString(16).toUpperCase(); - var paddedHexCode = ("0000" + hexCharCode).slice(-4); - return "\\u" + paddedHexCode; - } - var nonAsciiCharacters = /[^\u0000-\u007F]/g; - function escapeNonAsciiCharacters(s) { - return nonAsciiCharacters.test(s) ? - s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : - s; - } - ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; - var indentStrings = ["", " "]; - function getIndentString(level) { - if (indentStrings[level] === undefined) { - indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; + function createInstallTypingsRequest(project, typingOptions, unresolvedImports, cachePath) { + return { + projectName: project.getProjectName(), + fileNames: project.getFileNames(), + compilerOptions: project.getCompilerOptions(), + typingOptions: typingOptions, + unresolvedImports: unresolvedImports, + projectRootPath: getProjectRootPath(project), + cachePath: cachePath, + kind: "discover" + }; } - return indentStrings[level]; - } - ts.getIndentString = getIndentString; - function getIndentSize() { - return indentStrings[1].length; - } - ts.getIndentSize = getIndentSize; - function createTextWriter(newLine) { - var output; - var indent; - var lineStart; - var lineCount; - var linePos; - function write(s) { - if (s && s.length) { - if (lineStart) { - output += getIndentString(indent); - lineStart = false; - } - output += s; + server.createInstallTypingsRequest = createInstallTypingsRequest; + var Errors; + (function (Errors) { + function ThrowNoProject() { + throw new Error("No Project."); } - } - function reset() { - output = ""; - indent = 0; - lineStart = true; - lineCount = 0; - linePos = 0; - } - function rawWrite(s) { - if (s !== undefined) { - if (lineStart) { - lineStart = false; - } - output += s; + Errors.ThrowNoProject = ThrowNoProject; + function ThrowProjectLanguageServiceDisabled() { + throw new Error("The project's language service is disabled."); + } + Errors.ThrowProjectLanguageServiceDisabled = ThrowProjectLanguageServiceDisabled; + function ThrowProjectDoesNotContainDocument(fileName, project) { + throw new Error("Project '" + project.getProjectName() + "' does not contain document '" + fileName + "'"); } + Errors.ThrowProjectDoesNotContainDocument = ThrowProjectDoesNotContainDocument; + })(Errors = server.Errors || (server.Errors = {})); + function getDefaultFormatCodeSettings(host) { + return { + indentSize: 4, + tabSize: 4, + newLineCharacter: host.newLine || "\n", + convertTabsToSpaces: true, + indentStyle: ts.IndentStyle.Smart, + insertSpaceAfterCommaDelimiter: true, + insertSpaceAfterSemicolonInForStatements: true, + insertSpaceBeforeAndAfterBinaryOperators: true, + insertSpaceAfterKeywordsInControlFlowStatements: true, + insertSpaceAfterFunctionKeywordForAnonymousFunctions: false, + insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false, + insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false, + insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false, + insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false, + placeOpenBraceOnNewLineForFunctions: false, + placeOpenBraceOnNewLineForControlBlocks: false, + }; } - function writeLiteral(s) { - if (s && s.length) { - write(s); - var lineStartsOfS = ts.computeLineStarts(s); - if (lineStartsOfS.length > 1) { - lineCount = lineCount + lineStartsOfS.length - 1; - linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + server.getDefaultFormatCodeSettings = getDefaultFormatCodeSettings; + function mergeMaps(target, source) { + for (var key in source) { + if (ts.hasProperty(source, key)) { + target[key] = source[key]; } } } - function writeLine() { - if (!lineStart) { - output += newLine; - lineCount++; - linePos = output.length; - lineStart = true; + server.mergeMaps = mergeMaps; + function removeItemFromSet(items, itemToRemove) { + if (items.length === 0) { + return; + } + var index = items.indexOf(itemToRemove); + if (index < 0) { + return; + } + if (index === items.length - 1) { + items.pop(); + } + else { + items[index] = items.pop(); } } - function writeTextOfNode(text, node) { - write(getTextOfNodeFromSourceText(text, node)); - } - reset(); - return { - write: write, - rawWrite: rawWrite, - writeTextOfNode: writeTextOfNode, - writeLiteral: writeLiteral, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - getIndent: function () { return indent; }, - getTextPos: function () { return output.length; }, - getLine: function () { return lineCount + 1; }, - getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, - getText: function () { return output; }, - isAtStartOfLine: function () { return lineStart; }, - reset: reset - }; - } - ts.createTextWriter = createTextWriter; - function getResolvedExternalModuleName(host, file) { - return file.moduleName || getExternalModuleNameFromPath(host, file.fileName); - } - ts.getResolvedExternalModuleName = getResolvedExternalModuleName; - function getExternalModuleNameFromDeclaration(host, resolver, declaration) { - var file = resolver.getExternalModuleFileFromDeclaration(declaration); - if (!file || isDeclarationFile(file)) { - return undefined; - } - return getResolvedExternalModuleName(host, file); - } - ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; - function getExternalModuleNameFromPath(host, fileName) { - var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; - var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); - var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); - var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); - return ts.removeFileExtension(relativePath); - } - ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; - function getOwnEmitOutputFilePath(sourceFile, host, extension) { - var compilerOptions = host.getCompilerOptions(); - var emitOutputFilePathWithoutExtension; - if (compilerOptions.outDir) { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); - } - else { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); - } - return emitOutputFilePathWithoutExtension + extension; - } - ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; - function getDeclarationEmitOutputFilePath(sourceFile, host) { - var options = host.getCompilerOptions(); - var outputDir = options.declarationDir || options.outDir; - var path = outputDir - ? getSourceFilePathInNewDir(sourceFile, host, outputDir) - : sourceFile.fileName; - return ts.removeFileExtension(path) + ".d.ts"; - } - ts.getDeclarationEmitOutputFilePath = getDeclarationEmitOutputFilePath; - function getSourceFilesToEmit(host, targetSourceFile) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - var moduleKind = ts.getEmitModuleKind(options); - var moduleEmitEnabled = moduleKind === ts.ModuleKind.AMD || moduleKind === ts.ModuleKind.System; - var sourceFiles = host.getSourceFiles(); - return ts.filter(sourceFiles, moduleEmitEnabled ? isNonDeclarationFile : isBundleEmitNonExternalModule); + server.removeItemFromSet = removeItemFromSet; + function toNormalizedPath(fileName) { + return ts.normalizePath(fileName); } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - return ts.filter(sourceFiles, isNonDeclarationFile); + server.toNormalizedPath = toNormalizedPath; + function normalizedPathToPath(normalizedPath, currentDirectory, getCanonicalFileName) { + var f = ts.isRootedDiskPath(normalizedPath) ? normalizedPath : ts.getNormalizedAbsolutePath(normalizedPath, currentDirectory); + return getCanonicalFileName(f); } - } - ts.getSourceFilesToEmit = getSourceFilesToEmit; - function isNonDeclarationFile(sourceFile) { - return !isDeclarationFile(sourceFile); - } - function isBundleEmitNonExternalModule(sourceFile) { - return !isDeclarationFile(sourceFile) && !ts.isExternalModule(sourceFile); - } - function forEachTransformedEmitFile(host, sourceFiles, action, emitOnlyDtsFiles) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - onBundledEmit(sourceFiles); + server.normalizedPathToPath = normalizedPathToPath; + function asNormalizedPath(fileName) { + return fileName; } - else { - for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { - var sourceFile = sourceFiles_2[_i]; - if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { - onSingleFileEmit(host, sourceFile); + server.asNormalizedPath = asNormalizedPath; + function createNormalizedPathMap() { + var map = Object.create(null); + return { + get: function (path) { + return map[path]; + }, + set: function (path, value) { + map[path] = value; + }, + contains: function (path) { + return ts.hasProperty(map, path); + }, + remove: function (path) { + delete map[path]; } - } + }; } - function onSingleFileEmit(host, sourceFile) { - var extension = ".js"; - if (options.jsx === 1) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } - } - else if (sourceFile.languageVariant === 1) { - extension = ".jsx"; - } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); - var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (options.declaration || emitOnlyDtsFiles) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; - action(jsFilePath, sourceMapFilePath, declarationFilePath, [sourceFile], false); + server.createNormalizedPathMap = createNormalizedPathMap; + function throwLanguageServiceIsDisabledError() { + throw new Error("LanguageService is disabled"); } - function onBundledEmit(sourceFiles) { - if (sourceFiles.length) { - var jsFilePath = options.outFile || options.out; - var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); - var declarationFilePath = options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; - action(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, true); - } + server.nullLanguageService = { + cleanupSemanticCache: throwLanguageServiceIsDisabledError, + getSyntacticDiagnostics: throwLanguageServiceIsDisabledError, + getSemanticDiagnostics: throwLanguageServiceIsDisabledError, + getCompilerOptionsDiagnostics: throwLanguageServiceIsDisabledError, + getSyntacticClassifications: throwLanguageServiceIsDisabledError, + getEncodedSyntacticClassifications: throwLanguageServiceIsDisabledError, + getSemanticClassifications: throwLanguageServiceIsDisabledError, + getEncodedSemanticClassifications: throwLanguageServiceIsDisabledError, + getCompletionsAtPosition: throwLanguageServiceIsDisabledError, + findReferences: throwLanguageServiceIsDisabledError, + getCompletionEntryDetails: throwLanguageServiceIsDisabledError, + getQuickInfoAtPosition: throwLanguageServiceIsDisabledError, + findRenameLocations: throwLanguageServiceIsDisabledError, + getNameOrDottedNameSpan: throwLanguageServiceIsDisabledError, + getBreakpointStatementAtPosition: throwLanguageServiceIsDisabledError, + getBraceMatchingAtPosition: throwLanguageServiceIsDisabledError, + getSignatureHelpItems: throwLanguageServiceIsDisabledError, + getDefinitionAtPosition: throwLanguageServiceIsDisabledError, + getRenameInfo: throwLanguageServiceIsDisabledError, + getTypeDefinitionAtPosition: throwLanguageServiceIsDisabledError, + getReferencesAtPosition: throwLanguageServiceIsDisabledError, + getDocumentHighlights: throwLanguageServiceIsDisabledError, + getOccurrencesAtPosition: throwLanguageServiceIsDisabledError, + getNavigateToItems: throwLanguageServiceIsDisabledError, + getNavigationBarItems: throwLanguageServiceIsDisabledError, + getNavigationTree: throwLanguageServiceIsDisabledError, + getOutliningSpans: throwLanguageServiceIsDisabledError, + getTodoComments: throwLanguageServiceIsDisabledError, + getIndentationAtPosition: throwLanguageServiceIsDisabledError, + getFormattingEditsForRange: throwLanguageServiceIsDisabledError, + getFormattingEditsForDocument: throwLanguageServiceIsDisabledError, + getFormattingEditsAfterKeystroke: throwLanguageServiceIsDisabledError, + getDocCommentTemplateAtPosition: throwLanguageServiceIsDisabledError, + isValidBraceCompletionAtPosition: throwLanguageServiceIsDisabledError, + getEmitOutput: throwLanguageServiceIsDisabledError, + getProgram: throwLanguageServiceIsDisabledError, + getNonBoundSourceFile: throwLanguageServiceIsDisabledError, + dispose: throwLanguageServiceIsDisabledError, + getCompletionEntrySymbol: throwLanguageServiceIsDisabledError, + getImplementationAtPosition: throwLanguageServiceIsDisabledError, + getSourceFile: throwLanguageServiceIsDisabledError, + getCodeFixesAtPosition: throwLanguageServiceIsDisabledError + }; + server.nullLanguageServiceHost = { + setCompilationSettings: function () { return undefined; }, + notifyFileRemoved: function () { return undefined; }, + startRecordingFilesWithChangedResolutions: function () { return undefined; }, + finishRecordingFilesWithChangedResolutions: function () { return undefined; } + }; + function isInferredProjectName(name) { + return /dev\/null\/inferredProject\d+\*/.test(name); } - } - ts.forEachTransformedEmitFile = forEachTransformedEmitFile; - function getSourceMapFilePath(jsFilePath, options) { - return options.sourceMap ? jsFilePath + ".map" : undefined; - } - function forEachExpectedEmitFile(host, action, targetSourceFile, emitOnlyDtsFiles) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - onBundledEmit(host); + server.isInferredProjectName = isInferredProjectName; + function makeInferredProjectName(counter) { + return "/dev/null/inferredProject" + counter + "*"; } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { - var sourceFile = sourceFiles_3[_i]; - if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { - onSingleFileEmit(host, sourceFile); + server.makeInferredProjectName = makeInferredProjectName; + function toSortedReadonlyArray(arr) { + arr.sort(); + return arr; + } + server.toSortedReadonlyArray = toSortedReadonlyArray; + var ThrottledOperations = (function () { + function ThrottledOperations(host) { + this.host = host; + this.pendingTimeouts = ts.createMap(); + } + ThrottledOperations.prototype.schedule = function (operationId, delay, cb) { + if (ts.hasProperty(this.pendingTimeouts, operationId)) { + this.host.clearTimeout(this.pendingTimeouts[operationId]); } + this.pendingTimeouts[operationId] = this.host.setTimeout(ThrottledOperations.run, delay, this, operationId, cb); + }; + ThrottledOperations.run = function (self, operationId, cb) { + delete self.pendingTimeouts[operationId]; + cb(); + }; + return ThrottledOperations; + }()); + server.ThrottledOperations = ThrottledOperations; + var GcTimer = (function () { + function GcTimer(host, delay, logger) { + this.host = host; + this.delay = delay; + this.logger = logger; } - } - function onSingleFileEmit(host, sourceFile) { - var extension = ".js"; - if (options.jsx === 1) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } + GcTimer.prototype.scheduleCollect = function () { + if (!this.host.gc || this.timerId != undefined) { + return; } - else if (sourceFile.languageVariant === 1) { - extension = ".jsx"; + this.timerId = this.host.setTimeout(GcTimer.run, this.delay, this); + }; + GcTimer.run = function (self) { + self.timerId = undefined; + var log = self.logger.hasLevel(LogLevel.requestTime); + var before = log && self.host.getMemoryUsage(); + self.host.gc(); + if (log) { + var after = self.host.getMemoryUsage(); + self.logger.perftrc("GC::before " + before + ", after " + after); } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (emitOnlyDtsFiles || options.declaration) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: declarationFilePath }; - action(emitFileNames, [sourceFile], false, emitOnlyDtsFiles); - } - function onBundledEmit(host) { - var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && - !host.isSourceFileFromExternalLibrary(sourceFile) && - (!ts.isExternalModule(sourceFile) || - !!ts.getEmitModuleKind(options)); }); - if (bundledSources.length) { - var jsFilePath = options.outFile || options.out; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined - }; - action(emitFileNames, bundledSources, true, emitOnlyDtsFiles); - } - } - } - ts.forEachExpectedEmitFile = forEachExpectedEmitFile; - function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { - var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); - var commonSourceDirectory = host.getCommonSourceDirectory(); - var isSourceFileInCommonSourceDirectory = host.getCanonicalFileName(sourceFilePath).indexOf(host.getCanonicalFileName(commonSourceDirectory)) === 0; - sourceFilePath = isSourceFileInCommonSourceDirectory ? sourceFilePath.substring(commonSourceDirectory.length) : sourceFilePath; - return ts.combinePaths(newDirPath, sourceFilePath); + return GcTimer; + }()); + server.GcTimer = GcTimer; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function trace(host) { + host.trace(ts.formatMessage.apply(undefined, arguments)); } - ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; - function writeFile(host, diagnostics, fileName, data, writeByteOrderMark, sourceFiles) { - host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { - diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); - }, sourceFiles); + ts.trace = trace; + function isTraceEnabled(compilerOptions, host) { + return compilerOptions.traceResolution && host.trace !== undefined; } - ts.writeFile = writeFile; - function getLineOfLocalPosition(currentSourceFile, pos) { - return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; + ts.isTraceEnabled = isTraceEnabled; + function createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations) { + return { resolvedModule: resolvedFileName ? { resolvedFileName: resolvedFileName, isExternalLibraryImport: isExternalLibraryImport } : undefined, failedLookupLocations: failedLookupLocations }; } - ts.getLineOfLocalPosition = getLineOfLocalPosition; - function getLineOfLocalPositionFromLineMap(lineMap, pos) { - return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; + ts.createResolvedModule = createResolvedModule; + function moduleHasNonRelativeName(moduleName) { + return !(ts.isRootedDiskPath(moduleName) || ts.isExternalModuleNameRelative(moduleName)); } - ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; - function getFirstConstructorWithBody(node) { - return ts.forEach(node.members, function (member) { - if (member.kind === 149 && nodeIsPresent(member.body)) { - return member; + function tryReadTypesSection(packageJsonPath, baseDirectory, state) { + var jsonContent = readJson(packageJsonPath, state.host); + function tryReadFromField(fieldName) { + if (ts.hasProperty(jsonContent, fieldName)) { + var typesFile = jsonContent[fieldName]; + if (typeof typesFile === "string") { + var typesFilePath_1 = ts.normalizePath(ts.combinePaths(baseDirectory, typesFile)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, typesFile, typesFilePath_1); + } + return typesFilePath_1; + } + else { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_string_got_1, fieldName, typeof typesFile); + } + } } - }); - } - ts.getFirstConstructorWithBody = getFirstConstructorWithBody; - function getSetAccessorTypeAnnotationNode(accessor) { - if (accessor && accessor.parameters.length > 0) { - var hasThis = accessor.parameters.length === 2 && parameterIsThisKeyword(accessor.parameters[0]); - return accessor.parameters[hasThis ? 1 : 0].type; } - } - ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; - function getThisParameter(signature) { - if (signature.parameters.length) { - var thisParameter = signature.parameters[0]; - if (parameterIsThisKeyword(thisParameter)) { - return thisParameter; + var typesFilePath = tryReadFromField("typings") || tryReadFromField("types"); + if (typesFilePath) { + return typesFilePath; + } + if (state.compilerOptions.allowJs && jsonContent.main && typeof jsonContent.main === "string") { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0, jsonContent.main); } + var mainFilePath = ts.normalizePath(ts.combinePaths(baseDirectory, jsonContent.main)); + return mainFilePath; } + return undefined; } - ts.getThisParameter = getThisParameter; - function parameterIsThisKeyword(parameter) { - return isThisIdentifier(parameter.name); - } - ts.parameterIsThisKeyword = parameterIsThisKeyword; - function isThisIdentifier(node) { - return node && node.kind === 70 && identifierIsThisKeyword(node); - } - ts.isThisIdentifier = isThisIdentifier; - function identifierIsThisKeyword(id) { - return id.originalKeywordKind === 98; - } - ts.identifierIsThisKeyword = identifierIsThisKeyword; - function getAllAccessorDeclarations(declarations, accessor) { - var firstAccessor; - var secondAccessor; - var getAccessor; - var setAccessor; - if (hasDynamicName(accessor)) { - firstAccessor = accessor; - if (accessor.kind === 150) { - getAccessor = accessor; - } - else if (accessor.kind === 151) { - setAccessor = accessor; - } - else { - ts.Debug.fail("Accessor has wrong kind"); - } + function readJson(path, host) { + try { + var jsonText = host.readFile(path); + return jsonText ? JSON.parse(jsonText) : {}; } - else { - ts.forEach(declarations, function (member) { - if ((member.kind === 150 || member.kind === 151) - && hasModifier(member, 32) === hasModifier(accessor, 32)) { - var memberName = getPropertyNameForPropertyNameNode(member.name); - var accessorName = getPropertyNameForPropertyNameNode(accessor.name); - if (memberName === accessorName) { - if (!firstAccessor) { - firstAccessor = member; - } - else if (!secondAccessor) { - secondAccessor = member; - } - if (member.kind === 150 && !getAccessor) { - getAccessor = member; - } - if (member.kind === 151 && !setAccessor) { - setAccessor = member; - } - } - } - }); + catch (e) { + return {}; } - return { - firstAccessor: firstAccessor, - secondAccessor: secondAccessor, - getAccessor: getAccessor, - setAccessor: setAccessor - }; } - ts.getAllAccessorDeclarations = getAllAccessorDeclarations; - function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { - emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, node.pos, leadingComments); - } - ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; - function emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, pos, leadingComments) { - if (leadingComments && leadingComments.length && pos !== leadingComments[0].pos && - getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { - writer.writeLine(); + var typeReferenceExtensions = [".d.ts"]; + function getEffectiveTypeRoots(options, host) { + if (options.typeRoots) { + return options.typeRoots; } - } - ts.emitNewLineBeforeLeadingCommentsOfPosition = emitNewLineBeforeLeadingCommentsOfPosition; - function emitNewLineBeforeLeadingCommentOfPosition(lineMap, writer, pos, commentPos) { - if (pos !== commentPos && - getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, commentPos)) { - writer.writeLine(); + var currentDirectory; + if (options.configFilePath) { + currentDirectory = ts.getDirectoryPath(options.configFilePath); + } + else if (host.getCurrentDirectory) { + currentDirectory = host.getCurrentDirectory(); } + return currentDirectory !== undefined && getDefaultTypeRoots(currentDirectory, host); } - ts.emitNewLineBeforeLeadingCommentOfPosition = emitNewLineBeforeLeadingCommentOfPosition; - function emitComments(text, lineMap, writer, comments, leadingSeparator, trailingSeparator, newLine, writeComment) { - if (comments && comments.length > 0) { - if (leadingSeparator) { - writer.write(" "); + ts.getEffectiveTypeRoots = getEffectiveTypeRoots; + function getDefaultTypeRoots(currentDirectory, host) { + if (!host.directoryExists) { + return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)]; + } + var typeRoots; + while (true) { + var atTypes = ts.combinePaths(currentDirectory, nodeModulesAtTypes); + if (host.directoryExists(atTypes)) { + (typeRoots || (typeRoots = [])).push(atTypes); } - var emitInterveningSeparator = false; - for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { - var comment = comments_1[_i]; - if (emitInterveningSeparator) { - writer.write(" "); - emitInterveningSeparator = false; - } - writeComment(text, lineMap, writer, comment.pos, comment.end, newLine); - if (comment.hasTrailingNewLine) { - writer.writeLine(); + var parent_1 = ts.getDirectoryPath(currentDirectory); + if (parent_1 === currentDirectory) { + break; + } + currentDirectory = parent_1; + } + return typeRoots; + } + var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types"); + function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host) { + var traceEnabled = isTraceEnabled(options, host); + var moduleResolutionState = { + compilerOptions: options, + host: host, + skipTsx: true, + traceEnabled: traceEnabled + }; + var typeRoots = getEffectiveTypeRoots(options, host); + if (traceEnabled) { + if (containingFile === undefined) { + if (typeRoots === undefined) { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName); } else { - emitInterveningSeparator = true; + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots); } } - if (emitInterveningSeparator && trailingSeparator) { - writer.write(" "); + else { + if (typeRoots === undefined) { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile); + } + else { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots); + } } } - } - ts.emitComments = emitComments; - function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { - var leadingComments; - var currentDetachedCommentInfo; - if (removeComments) { - if (node.pos === 0) { - leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + var failedLookupLocations = []; + if (typeRoots && typeRoots.length) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", ")); } - } - else { - leadingComments = ts.getLeadingCommentRanges(text, node.pos); - } - if (leadingComments) { - var detachedComments = []; - var lastComment = void 0; - for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { - var comment = leadingComments_1[_i]; - if (lastComment) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); - var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); - if (commentLine >= lastCommentLine + 2) { - break; + var primarySearchPaths = typeRoots; + for (var _i = 0, primarySearchPaths_1 = primarySearchPaths; _i < primarySearchPaths_1.length; _i++) { + var typeRoot = primarySearchPaths_1[_i]; + var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName); + var candidateDirectory = ts.getDirectoryPath(candidate); + var resolvedFile_1 = loadNodeModuleFromDirectory(typeReferenceExtensions, candidate, failedLookupLocations, !directoryProbablyExists(candidateDirectory, host), moduleResolutionState); + if (resolvedFile_1) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile_1, true); } + return { + resolvedTypeReferenceDirective: { primary: true, resolvedFileName: resolvedFile_1 }, + failedLookupLocations: failedLookupLocations + }; } - detachedComments.push(comment); - lastComment = comment; } - if (detachedComments.length) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); - var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); - if (nodeLine >= lastCommentLine + 2) { - emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); - emitComments(text, lineMap, writer, detachedComments, false, true, newLine, writeComment); - currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; - } + } + else { + if (traceEnabled) { + trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths); } } - return currentDetachedCommentInfo; - function isPinnedComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 33; + var resolvedFile; + var initialLocationForSecondaryLookup; + if (containingFile) { + initialLocationForSecondaryLookup = ts.getDirectoryPath(containingFile); } - } - ts.emitDetachedComments = emitDetachedComments; - function writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine) { - if (text.charCodeAt(commentPos + 1) === 42) { - var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, commentPos); - var lineCount = lineMap.length; - var firstCommentLineIndent = void 0; - for (var pos = commentPos, currentLine = firstCommentLineAndCharacter.line; pos < commentEnd; currentLine++) { - var nextLineStart = (currentLine + 1) === lineCount - ? text.length + 1 - : lineMap[currentLine + 1]; - if (pos !== commentPos) { - if (firstCommentLineIndent === undefined) { - firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], commentPos); - } - var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); - var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); - if (spacesToEmit > 0) { - var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); - var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); - writer.rawWrite(indentSizeSpaceString); - while (numberOfSingleSpacesToEmit) { - writer.rawWrite(" "); - numberOfSingleSpacesToEmit--; - } - } - else { - writer.rawWrite(""); - } + if (initialLocationForSecondaryLookup !== undefined) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup); + } + resolvedFile = loadModuleFromNodeModules(typeReferenceDirectiveName, initialLocationForSecondaryLookup, failedLookupLocations, moduleResolutionState, false); + if (traceEnabled) { + if (resolvedFile) { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile, false); + } + else { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName); } - writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart); - pos = nextLineStart; } } else { - writer.write(text.substring(commentPos, commentEnd)); - } - } - ts.writeCommentRange = writeCommentRange; - function writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart) { - var end = Math.min(commentEnd, nextLineStart - 1); - var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); - if (currentLineText) { - writer.write(currentLineText); - if (end !== commentEnd) { - writer.writeLine(); + if (traceEnabled) { + trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder); } } - else { - writer.writeLiteral(newLine); + return { + resolvedTypeReferenceDirective: resolvedFile + ? { primary: false, resolvedFileName: resolvedFile } + : undefined, + failedLookupLocations: failedLookupLocations + }; + } + ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective; + function getAutomaticTypeDirectiveNames(options, host) { + if (options.types) { + return options.types; + } + var result = []; + if (host.directoryExists && host.getDirectories) { + var typeRoots = getEffectiveTypeRoots(options, host); + if (typeRoots) { + for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) { + var root = typeRoots_1[_i]; + if (host.directoryExists(root)) { + for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) { + var typeDirectivePath = _b[_a]; + var normalized = ts.normalizePath(typeDirectivePath); + var packageJsonPath = pathToPackageJson(ts.combinePaths(root, normalized)); + var isNotNeededPackage = host.fileExists(packageJsonPath) && readJson(packageJsonPath, host).typings === null; + if (!isNotNeededPackage) { + result.push(ts.getBaseFileName(normalized)); + } + } + } + } + } } + return result; } - function calculateIndent(text, pos, end) { - var currentLineIndent = 0; - for (; pos < end && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) { - if (text.charCodeAt(pos) === 9) { - currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames; + function resolveModuleName(moduleName, containingFile, compilerOptions, host) { + var traceEnabled = isTraceEnabled(compilerOptions, host); + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile); + } + var moduleResolution = compilerOptions.moduleResolution; + if (moduleResolution === undefined) { + moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic; + if (traceEnabled) { + trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]); + } + } + else { + if (traceEnabled) { + trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]); + } + } + var result; + switch (moduleResolution) { + case ts.ModuleResolutionKind.NodeJs: + result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); + break; + case ts.ModuleResolutionKind.Classic: + result = classicNameResolver(moduleName, containingFile, compilerOptions, host); + break; + } + if (traceEnabled) { + if (result.resolvedModule) { + trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName); } else { - currentLineIndent++; + trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName); } } - return currentLineIndent; - } - function hasModifiers(node) { - return getModifierFlags(node) !== 0; + return result; } - ts.hasModifiers = hasModifiers; - function hasModifier(node, flags) { - return (getModifierFlags(node) & flags) !== 0; + ts.resolveModuleName = resolveModuleName; + function tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { + if (moduleHasNonRelativeName(moduleName)) { + return tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state); + } + else { + return tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state); + } } - ts.hasModifier = hasModifier; - function getModifierFlags(node) { - if (node.modifierFlagsCache & 536870912) { - return node.modifierFlagsCache & ~536870912; + function tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { + if (!state.compilerOptions.rootDirs) { + return undefined; } - var flags = 0; - if (node.modifiers) { - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - flags |= modifierToFlag(modifier.kind); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName); + } + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var matchedRootDir; + var matchedNormalizedPrefix; + for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) { + var rootDir = _a[_i]; + var normalizedRoot = ts.normalizePath(rootDir); + if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) { + normalizedRoot += ts.directorySeparator; + } + var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) && + (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix); + } + if (isLongestMatchingPrefix) { + matchedNormalizedPrefix = normalizedRoot; + matchedRootDir = rootDir; } } - if (node.flags & 4) { - flags |= 1; + if (matchedNormalizedPrefix) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix); + } + var suffix = candidate.substr(matchedNormalizedPrefix.length); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate); + } + var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(containingDirectory, state.host), state); + if (resolvedFileName) { + return resolvedFileName; + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs); + } + for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) { + var rootDir = _c[_b]; + if (rootDir === matchedRootDir) { + continue; + } + var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1); + } + var baseDirectory = ts.getDirectoryPath(candidate_1); + var resolvedFileName_1 = loader(candidate_1, supportedExtensions, failedLookupLocations, !directoryProbablyExists(baseDirectory, state.host), state); + if (resolvedFileName_1) { + return resolvedFileName_1; + } + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed); + } } - node.modifierFlagsCache = flags | 536870912; - return flags; + return undefined; } - ts.getModifierFlags = getModifierFlags; - function modifierToFlag(token) { - switch (token) { - case 114: return 32; - case 113: return 4; - case 112: return 16; - case 111: return 8; - case 116: return 128; - case 83: return 1; - case 123: return 2; - case 75: return 2048; - case 78: return 512; - case 119: return 256; - case 129: return 64; + function tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state) { + if (!state.compilerOptions.baseUrl) { + return undefined; } - return 0; - } - ts.modifierToFlag = modifierToFlag; - function isLogicalOperator(token) { - return token === 53 - || token === 52 - || token === 50; - } - ts.isLogicalOperator = isLogicalOperator; - function isAssignmentOperator(token) { - return token >= 57 && token <= 69; - } - ts.isAssignmentOperator = isAssignmentOperator; - function tryGetClassExtendingExpressionWithTypeArguments(node) { - if (node.kind === 195 && - node.parent.token === 84 && - isClassLike(node.parent.parent)) { - return node.parent.parent; + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, state.compilerOptions.baseUrl, moduleName); } - } - ts.tryGetClassExtendingExpressionWithTypeArguments = tryGetClassExtendingExpressionWithTypeArguments; - function isDestructuringAssignment(node) { - if (isBinaryExpression(node)) { - if (node.operatorToken.kind === 57) { - var kind = node.left.kind; - return kind === 172 - || kind === 171; + var matchedPattern = undefined; + if (state.compilerOptions.paths) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName); } + matchedPattern = ts.matchPatternOrExact(ts.getOwnKeys(state.compilerOptions.paths), moduleName); } - return false; - } - ts.isDestructuringAssignment = isDestructuringAssignment; - function isSupportedExpressionWithTypeArguments(node) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; - function isSupportedExpressionWithTypeArgumentsRest(node) { - if (node.kind === 70) { - return true; - } - else if (isPropertyAccessExpression(node)) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); + if (matchedPattern) { + var matchedStar = typeof matchedPattern === "string" ? undefined : ts.matchedText(matchedPattern, moduleName); + var matchedPatternText = typeof matchedPattern === "string" ? matchedPattern : ts.patternText(matchedPattern); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText); + } + for (var _i = 0, _a = state.compilerOptions.paths[matchedPatternText]; _i < _a.length; _i++) { + var subst = _a[_i]; + var path = matchedStar ? subst.replace("*", matchedStar) : subst; + var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, path)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path); + } + var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); + if (resolvedFileName) { + return resolvedFileName; + } + } + return undefined; } else { - return false; + var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, moduleName)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, state.compilerOptions.baseUrl, candidate); + } + return loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); } } - function isExpressionWithTypeArgumentsInClassExtendsClause(node) { - return tryGetClassExtendingExpressionWithTypeArguments(node) !== undefined; + function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { + var containingDirectory = ts.getDirectoryPath(containingFile); + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + var traceEnabled = isTraceEnabled(compilerOptions, host); + var failedLookupLocations = []; + var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: false }; + var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, nodeLoadModuleByRelativeName, failedLookupLocations, supportedExtensions, state); + var isExternalLibraryImport = false; + if (!resolvedFileName) { + if (moduleHasNonRelativeName(moduleName)) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder, moduleName); + } + resolvedFileName = loadModuleFromNodeModules(moduleName, containingDirectory, failedLookupLocations, state, false); + isExternalLibraryImport = resolvedFileName !== undefined; + } + else { + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + resolvedFileName = nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, false, state); + } + } + if (resolvedFileName && host.realpath) { + var originalFileName = resolvedFileName; + resolvedFileName = ts.normalizePath(host.realpath(resolvedFileName)); + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, originalFileName, resolvedFileName); + } + } + return createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations); } - ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; - function isEntityNameExpression(node) { - return node.kind === 70 || - node.kind === 173 && isEntityNameExpression(node.expression); + ts.nodeModuleNameResolver = nodeModuleNameResolver; + function nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0, candidate); + } + var resolvedFileName = !ts.pathEndsWithDirectorySeparator(candidate) && loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state); + return resolvedFileName || loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, onlyRecordFailures, state); } - ts.isEntityNameExpression = isEntityNameExpression; - function isRightSideOfQualifiedNameOrPropertyAccess(node) { - return (node.parent.kind === 140 && node.parent.right === node) || - (node.parent.kind === 173 && node.parent.name === node); + function directoryProbablyExists(directoryName, host) { + return !host.directoryExists || host.directoryExists(directoryName); } - ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; - function isEmptyObjectLiteralOrArrayLiteral(expression) { - var kind = expression.kind; - if (kind === 172) { - return expression.properties.length === 0; + ts.directoryProbablyExists = directoryProbablyExists; + function loadModuleFromFile(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { + var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state); + if (resolvedByAddingExtension) { + return resolvedByAddingExtension; } - if (kind === 171) { - return expression.elements.length === 0; + if (ts.hasJavaScriptFileExtension(candidate)) { + var extensionless = ts.removeFileExtension(candidate); + if (state.traceEnabled) { + var extension = candidate.substring(extensionless.length); + trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension); + } + return tryAddingExtensions(extensionless, extensions, failedLookupLocation, onlyRecordFailures, state); } - return false; } - ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; - function getLocalSymbolForExportDefault(symbol) { - return symbol && symbol.valueDeclaration && hasModifier(symbol.valueDeclaration, 512) ? symbol.valueDeclaration.localSymbol : undefined; - } - ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; - function tryExtractTypeScriptExtension(fileName) { - return ts.find(ts.supportedTypescriptExtensionsForExtractExtension, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + function tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { + if (!onlyRecordFailures) { + var directory = ts.getDirectoryPath(candidate); + if (directory) { + onlyRecordFailures = !directoryProbablyExists(directory, state.host); + } + } + return ts.forEach(extensions, function (ext) { + return !(state.skipTsx && ts.isJsxOrTsxExtension(ext)) && tryFile(candidate + ext, failedLookupLocation, onlyRecordFailures, state); + }); } - ts.tryExtractTypeScriptExtension = tryExtractTypeScriptExtension; - function getExpandedCharCodes(input) { - var output = []; - var length = input.length; - for (var i = 0; i < length; i++) { - var charCode = input.charCodeAt(i); - if (charCode < 0x80) { - output.push(charCode); + function tryFile(fileName, failedLookupLocation, onlyRecordFailures, state) { + if (!onlyRecordFailures && state.host.fileExists(fileName)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName); } - else if (charCode < 0x800) { - output.push((charCode >> 6) | 192); - output.push((charCode & 63) | 128); + return fileName; + } + else { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName); } - else if (charCode < 0x10000) { - output.push((charCode >> 12) | 224); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); + failedLookupLocation.push(fileName); + return undefined; + } + } + function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, state) { + var packageJsonPath = pathToPackageJson(candidate); + var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, state.host); + if (directoryExists && state.host.fileExists(packageJsonPath)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath); } - else if (charCode < 0x20000) { - output.push((charCode >> 18) | 240); - output.push(((charCode >> 12) & 63) | 128); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); + var typesFile = tryReadTypesSection(packageJsonPath, candidate, state); + if (typesFile) { + var onlyRecordFailures_1 = !directoryProbablyExists(ts.getDirectoryPath(typesFile), state.host); + var result = tryFile(typesFile, failedLookupLocation, onlyRecordFailures_1, state) || + tryAddingExtensions(typesFile, extensions, failedLookupLocation, onlyRecordFailures_1, state); + if (result) { + return result; + } } else { - ts.Debug.assert(false, "Unexpected code point"); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_does_not_have_types_field); + } } } - return output; - } - ts.stringify = typeof JSON !== "undefined" && JSON.stringify - ? JSON.stringify - : stringifyFallback; - function stringifyFallback(value) { - return value === undefined ? undefined : stringifyValue(value); - } - function stringifyValue(value) { - return typeof value === "string" ? "\"" + escapeString(value) + "\"" - : typeof value === "number" ? isFinite(value) ? String(value) : "null" - : typeof value === "boolean" ? value ? "true" : "false" - : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) - : "null"; - } - function cycleCheck(cb, value) { - ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); - value.__cycle = true; - var result = cb(value); - delete value.__cycle; - return result; + else { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath); + } + failedLookupLocation.push(packageJsonPath); + } + return loadModuleFromFile(ts.combinePaths(candidate, "index"), extensions, failedLookupLocation, !directoryExists, state); } - function stringifyArray(value) { - return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; + function pathToPackageJson(directory) { + return ts.combinePaths(directory, "package.json"); } - function stringifyElement(memo, value) { - return (memo ? memo + "," : memo) + stringifyValue(value); + function loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state) { + var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); + var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, state.host); + var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); + var supportedExtensions = ts.getSupportedExtensions(state.compilerOptions); + var result = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, !nodeModulesFolderExists, state); + if (result) { + return result; + } + result = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state); + if (result) { + return result; + } } - function stringifyObject(value) { - return "{" + ts.reduceOwnProperties(value, stringifyProperty, "") + "}"; + function loadModuleFromNodeModules(moduleName, directory, failedLookupLocations, state, checkOneLevel) { + return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, false); } - function stringifyProperty(memo, value, key) { - return value === undefined || typeof value === "function" || key === "__cycle" ? memo - : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); + ts.loadModuleFromNodeModules = loadModuleFromNodeModules; + function loadModuleFromNodeModulesAtTypes(moduleName, directory, failedLookupLocations, state) { + return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, false, true); } - var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - function convertToBase64(input) { - var result = ""; - var charCodes = getExpandedCharCodes(input); - var i = 0; - var length = charCodes.length; - var byte1, byte2, byte3, byte4; - while (i < length) { - byte1 = charCodes[i] >> 2; - byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; - byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; - byte4 = charCodes[i + 2] & 63; - if (i + 1 >= length) { - byte3 = byte4 = 64; + function loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, typesOnly) { + directory = ts.normalizeSlashes(directory); + while (true) { + var baseName = ts.getBaseFileName(directory); + if (baseName !== "node_modules") { + var packageResult = void 0; + if (!typesOnly) { + packageResult = loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state); + if (packageResult && ts.hasTypeScriptFileExtension(packageResult)) { + return packageResult; + } + } + var typesResult = loadModuleFromNodeModulesFolder(ts.combinePaths("@types", moduleName), directory, failedLookupLocations, state); + if (typesResult || packageResult) { + return typesResult || packageResult; + } } - else if (i + 2 >= length) { - byte4 = 64; + var parentPath = ts.getDirectoryPath(directory); + if (parentPath === directory || checkOneLevel) { + break; } - result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); - i += 3; + directory = parentPath; } - return result; + return undefined; } - ts.convertToBase64 = convertToBase64; - var carriageReturnLineFeed = "\r\n"; - var lineFeed = "\n"; - function getNewLineCharacter(options) { - if (options.newLine === 0) { - return carriageReturnLineFeed; + function classicNameResolver(moduleName, containingFile, compilerOptions, host) { + var traceEnabled = isTraceEnabled(compilerOptions, host); + var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: !compilerOptions.jsx }; + var failedLookupLocations = []; + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + var containingDirectory = ts.getDirectoryPath(containingFile); + var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loadModuleFromFile, failedLookupLocations, supportedExtensions, state); + if (resolvedFileName) { + return createResolvedModule(resolvedFileName, false, failedLookupLocations); } - else if (options.newLine === 1) { - return lineFeed; + var referencedSourceFile; + if (moduleHasNonRelativeName(moduleName)) { + referencedSourceFile = referencedSourceFile = loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) || + loadModuleFromNodeModulesAtTypes(moduleName, containingDirectory, failedLookupLocations, state); } - else if (ts.sys) { - return ts.sys.newLine; + else { + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + referencedSourceFile = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, false, state); } - return carriageReturnLineFeed; - } - ts.getNewLineCharacter = getNewLineCharacter; - function isSimpleExpression(node) { - return isSimpleExpressionWorker(node, 0); + return referencedSourceFile + ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; } - ts.isSimpleExpression = isSimpleExpression; - function isSimpleExpressionWorker(node, depth) { - if (depth <= 5) { - var kind = node.kind; - if (kind === 9 - || kind === 8 - || kind === 11 - || kind === 12 - || kind === 70 - || kind === 98 - || kind === 96 - || kind === 100 - || kind === 85 - || kind === 94) { - return true; - } - else if (kind === 173) { - return isSimpleExpressionWorker(node.expression, depth + 1); - } - else if (kind === 174) { - return isSimpleExpressionWorker(node.expression, depth + 1) - && isSimpleExpressionWorker(node.argumentExpression, depth + 1); - } - else if (kind === 186 - || kind === 187) { - return isSimpleExpressionWorker(node.operand, depth + 1); - } - else if (kind === 188) { - return node.operatorToken.kind !== 39 - && isSimpleExpressionWorker(node.left, depth + 1) - && isSimpleExpressionWorker(node.right, depth + 1); - } - else if (kind === 189) { - return isSimpleExpressionWorker(node.condition, depth + 1) - && isSimpleExpressionWorker(node.whenTrue, depth + 1) - && isSimpleExpressionWorker(node.whenFalse, depth + 1); - } - else if (kind === 184 - || kind === 183 - || kind === 182) { - return isSimpleExpressionWorker(node.expression, depth + 1); - } - else if (kind === 171) { - return node.elements.length === 0; - } - else if (kind === 172) { - return node.properties.length === 0; + ts.classicNameResolver = classicNameResolver; + function loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) { + while (true) { + var searchName = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var referencedSourceFile = loadModuleFromFile(searchName, supportedExtensions, failedLookupLocations, false, state); + if (referencedSourceFile) { + return referencedSourceFile; } - else if (kind === 175) { - if (!isSimpleExpressionWorker(node.expression, depth + 1)) { - return false; - } - for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { - var argument = _a[_i]; - if (!isSimpleExpressionWorker(argument, depth + 1)) { - return false; - } - } - return true; + var parentPath = ts.getDirectoryPath(containingDirectory); + if (parentPath === containingDirectory) { + return undefined; } + containingDirectory = parentPath; } - return false; } - var syntaxKindCache = ts.createMap(); - function formatSyntaxKind(kind) { - var syntaxKindEnum = ts.SyntaxKind; - if (syntaxKindEnum) { - if (syntaxKindCache[kind]) { - return syntaxKindCache[kind]; - } - for (var name_6 in syntaxKindEnum) { - if (syntaxKindEnum[name_6] === kind) { - return syntaxKindCache[kind] = kind.toString() + " (" + name_6 + ")"; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.externalHelpersModuleNameText = "tslib"; + function getDeclarationOfKind(symbol, kind) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { + var declaration = declarations_1[_i]; + if (declaration.kind === kind) { + return declaration; } } } - else { - return kind.toString(); + return undefined; + } + ts.getDeclarationOfKind = getDeclarationOfKind; + var stringWriters = []; + function getSingleLineStringWriter() { + if (stringWriters.length === 0) { + var str_1 = ""; + var writeText = function (text) { return str_1 += text; }; + return { + string: function () { return str_1; }, + writeKeyword: writeText, + writeOperator: writeText, + writePunctuation: writeText, + writeSpace: writeText, + writeStringLiteral: writeText, + writeParameter: writeText, + writeSymbol: writeText, + writeLine: function () { return str_1 += " "; }, + increaseIndent: ts.noop, + decreaseIndent: ts.noop, + clear: function () { return str_1 = ""; }, + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop + }; } + return stringWriters.pop(); } - ts.formatSyntaxKind = formatSyntaxKind; - function movePos(pos, value) { - return ts.positionIsSynthesized(pos) ? -1 : pos + value; + ts.getSingleLineStringWriter = getSingleLineStringWriter; + function releaseStringWriter(writer) { + writer.clear(); + stringWriters.push(writer); } - ts.movePos = movePos; - function createRange(pos, end) { - return { pos: pos, end: end }; + ts.releaseStringWriter = releaseStringWriter; + function getFullWidth(node) { + return node.end - node.pos; } - ts.createRange = createRange; - function moveRangeEnd(range, end) { - return createRange(range.pos, end); + ts.getFullWidth = getFullWidth; + function hasResolvedModule(sourceFile, moduleNameText) { + return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]); } - ts.moveRangeEnd = moveRangeEnd; - function moveRangePos(range, pos) { - return createRange(pos, range.end); + ts.hasResolvedModule = hasResolvedModule; + function getResolvedModule(sourceFile, moduleNameText) { + return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; } - ts.moveRangePos = moveRangePos; - function moveRangePastDecorators(node) { - return node.decorators && node.decorators.length > 0 - ? moveRangePos(node, node.decorators.end) - : node; + ts.getResolvedModule = getResolvedModule; + function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { + if (!sourceFile.resolvedModules) { + sourceFile.resolvedModules = ts.createMap(); + } + sourceFile.resolvedModules[moduleNameText] = resolvedModule; } - ts.moveRangePastDecorators = moveRangePastDecorators; - function moveRangePastModifiers(node) { - return node.modifiers && node.modifiers.length > 0 - ? moveRangePos(node, node.modifiers.end) - : moveRangePastDecorators(node); + ts.setResolvedModule = setResolvedModule; + function setResolvedTypeReferenceDirective(sourceFile, typeReferenceDirectiveName, resolvedTypeReferenceDirective) { + if (!sourceFile.resolvedTypeReferenceDirectiveNames) { + sourceFile.resolvedTypeReferenceDirectiveNames = ts.createMap(); + } + sourceFile.resolvedTypeReferenceDirectiveNames[typeReferenceDirectiveName] = resolvedTypeReferenceDirective; } - ts.moveRangePastModifiers = moveRangePastModifiers; - function isCollapsedRange(range) { - return range.pos === range.end; + ts.setResolvedTypeReferenceDirective = setResolvedTypeReferenceDirective; + function moduleResolutionIsEqualTo(oldResolution, newResolution) { + return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport; } - ts.isCollapsedRange = isCollapsedRange; - function collapseRangeToStart(range) { - return isCollapsedRange(range) ? range : moveRangeEnd(range, range.pos); + ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo; + function typeDirectiveIsEqualTo(oldResolution, newResolution) { + return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.primary === newResolution.primary; } - ts.collapseRangeToStart = collapseRangeToStart; - function collapseRangeToEnd(range) { - return isCollapsedRange(range) ? range : moveRangePos(range, range.end); + ts.typeDirectiveIsEqualTo = typeDirectiveIsEqualTo; + function hasChangesInResolutions(names, newResolutions, oldResolutions, comparer) { + if (names.length !== newResolutions.length) { + return false; + } + for (var i = 0; i < names.length; i++) { + var newResolution = newResolutions[i]; + var oldResolution = oldResolutions && oldResolutions[names[i]]; + var changed = oldResolution + ? !newResolution || !comparer(oldResolution, newResolution) + : newResolution; + if (changed) { + return true; + } + } + return false; } - ts.collapseRangeToEnd = collapseRangeToEnd; - function createTokenRange(pos, token) { - return createRange(pos, pos + ts.tokenToString(token).length); + ts.hasChangesInResolutions = hasChangesInResolutions; + function containsParseError(node) { + aggregateChildData(node); + return (node.flags & 2097152) !== 0; } - ts.createTokenRange = createTokenRange; - function rangeIsOnSingleLine(range, sourceFile) { - return rangeStartIsOnSameLineAsRangeEnd(range, range, sourceFile); + ts.containsParseError = containsParseError; + function aggregateChildData(node) { + if (!(node.flags & 4194304)) { + var thisNodeOrAnySubNodesHasError = ((node.flags & 524288) !== 0) || + ts.forEachChild(node, containsParseError); + if (thisNodeOrAnySubNodesHasError) { + node.flags |= 2097152; + } + node.flags |= 4194304; + } } - ts.rangeIsOnSingleLine = rangeIsOnSingleLine; - function rangeStartPositionsAreOnSameLine(range1, range2, sourceFile) { - return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), getStartPositionOfRange(range2, sourceFile), sourceFile); + function getSourceFileOfNode(node) { + while (node && node.kind !== 256) { + node = node.parent; + } + return node; } - ts.rangeStartPositionsAreOnSameLine = rangeStartPositionsAreOnSameLine; - function rangeEndPositionsAreOnSameLine(range1, range2, sourceFile) { - return positionsAreOnSameLine(range1.end, range2.end, sourceFile); + ts.getSourceFileOfNode = getSourceFileOfNode; + function isStatementWithLocals(node) { + switch (node.kind) { + case 200: + case 228: + case 207: + case 208: + case 209: + return true; + } + return false; } - ts.rangeEndPositionsAreOnSameLine = rangeEndPositionsAreOnSameLine; - function rangeStartIsOnSameLineAsRangeEnd(range1, range2, sourceFile) { - return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), range2.end, sourceFile); + ts.isStatementWithLocals = isStatementWithLocals; + function getStartPositionOfLine(line, sourceFile) { + ts.Debug.assert(line >= 0); + return ts.getLineStarts(sourceFile)[line]; } - ts.rangeStartIsOnSameLineAsRangeEnd = rangeStartIsOnSameLineAsRangeEnd; - function rangeEndIsOnSameLineAsRangeStart(range1, range2, sourceFile) { - return positionsAreOnSameLine(range1.end, getStartPositionOfRange(range2, sourceFile), sourceFile); + ts.getStartPositionOfLine = getStartPositionOfLine; + function nodePosToString(node) { + var file = getSourceFileOfNode(node); + var loc = ts.getLineAndCharacterOfPosition(file, node.pos); + return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; } - ts.rangeEndIsOnSameLineAsRangeStart = rangeEndIsOnSameLineAsRangeStart; - function positionsAreOnSameLine(pos1, pos2, sourceFile) { - return pos1 === pos2 || - getLineOfLocalPosition(sourceFile, pos1) === getLineOfLocalPosition(sourceFile, pos2); + ts.nodePosToString = nodePosToString; + function getStartPosOfNode(node) { + return node.pos; } - ts.positionsAreOnSameLine = positionsAreOnSameLine; - function getStartPositionOfRange(range, sourceFile) { - return ts.positionIsSynthesized(range.pos) ? -1 : ts.skipTrivia(sourceFile.text, range.pos); + ts.getStartPosOfNode = getStartPosOfNode; + function isDefined(value) { + return value !== undefined; } - ts.getStartPositionOfRange = getStartPositionOfRange; - function collectExternalModuleInfo(sourceFile) { - var externalImports = []; - var exportSpecifiers = ts.createMap(); - var exportEquals = undefined; - var hasExportStarsToExportValues = false; - for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { - var node = _a[_i]; - switch (node.kind) { - case 231: - externalImports.push(node); - break; - case 230: - if (node.moduleReference.kind === 241) { - externalImports.push(node); - } - break; - case 237: - if (node.moduleSpecifier) { - if (!node.exportClause) { - externalImports.push(node); - hasExportStarsToExportValues = true; - } - else { - externalImports.push(node); - } - } - else { - for (var _b = 0, _c = node.exportClause.elements; _b < _c.length; _b++) { - var specifier = _c[_b]; - var name_7 = (specifier.propertyName || specifier.name).text; - (exportSpecifiers[name_7] || (exportSpecifiers[name_7] = [])).push(specifier); - } - } - break; - case 236: - if (node.isExportEquals && !exportEquals) { - exportEquals = node; - } - break; + ts.isDefined = isDefined; + function getEndLinePosition(line, sourceFile) { + ts.Debug.assert(line >= 0); + var lineStarts = ts.getLineStarts(sourceFile); + var lineIndex = line; + var sourceText = sourceFile.text; + if (lineIndex + 1 === lineStarts.length) { + return sourceText.length - 1; + } + else { + var start = lineStarts[lineIndex]; + var pos = lineStarts[lineIndex + 1] - 1; + ts.Debug.assert(ts.isLineBreak(sourceText.charCodeAt(pos))); + while (start <= pos && ts.isLineBreak(sourceText.charCodeAt(pos))) { + pos--; } + return pos; } - return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues }; } - ts.collectExternalModuleInfo = collectExternalModuleInfo; - function getInitializedVariables(node) { - return ts.filter(node.declarations, isInitializedVariable); + ts.getEndLinePosition = getEndLinePosition; + function nodeIsMissing(node) { + if (node === undefined) { + return true; + } + return node.pos === node.end && node.pos >= 0 && node.kind !== 1; } - ts.getInitializedVariables = getInitializedVariables; - function isInitializedVariable(node) { - return node.initializer !== undefined; + ts.nodeIsMissing = nodeIsMissing; + function nodeIsPresent(node) { + return !nodeIsMissing(node); } - function isMergedWithClass(node) { - if (node.symbol) { - for (var _i = 0, _a = node.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 222 && declaration !== node) { - return true; - } - } + ts.nodeIsPresent = nodeIsPresent; + function getTokenPosOfNode(node, sourceFile, includeJsDocComment) { + if (nodeIsMissing(node)) { + return node.pos; } - return false; + if (isJSDocNode(node)) { + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, false, true); + } + if (includeJsDocComment && node.jsDocComments && node.jsDocComments.length > 0) { + return getTokenPosOfNode(node.jsDocComments[0]); + } + if (node.kind === 286 && node._children.length > 0) { + return getTokenPosOfNode(node._children[0], sourceFile, includeJsDocComment); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); } - ts.isMergedWithClass = isMergedWithClass; - function isFirstDeclarationOfKind(node, kind) { - return node.symbol && getDeclarationOfKind(node.symbol, kind) === node; + ts.getTokenPosOfNode = getTokenPosOfNode; + function isJSDocNode(node) { + return node.kind >= 257 && node.kind <= 282; } - ts.isFirstDeclarationOfKind = isFirstDeclarationOfKind; - function isNodeArray(array) { - return array.hasOwnProperty("pos") - && array.hasOwnProperty("end"); + ts.isJSDocNode = isJSDocNode; + function isJSDocTag(node) { + return node.kind >= 273 && node.kind <= 285; } - ts.isNodeArray = isNodeArray; - function isNoSubstitutionTemplateLiteral(node) { - return node.kind === 12; + ts.isJSDocTag = isJSDocTag; + function getNonDecoratorTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node) || !node.decorators) { + return getTokenPosOfNode(node, sourceFile); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); } - ts.isNoSubstitutionTemplateLiteral = isNoSubstitutionTemplateLiteral; - function isLiteralKind(kind) { - return 8 <= kind && kind <= 12; + ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; + function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + if (nodeIsMissing(node)) { + return ""; + } + var text = sourceFile.text; + return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); } - ts.isLiteralKind = isLiteralKind; - function isTextualLiteralKind(kind) { - return kind === 9 || kind === 12; + ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; + function getTextOfNodeFromSourceText(sourceText, node) { + if (nodeIsMissing(node)) { + return ""; + } + return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); } - ts.isTextualLiteralKind = isTextualLiteralKind; - function isLiteralExpression(node) { - return isLiteralKind(node.kind); + ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; + function getTextOfNode(node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); } - ts.isLiteralExpression = isLiteralExpression; - function isTemplateLiteralKind(kind) { - return 12 <= kind && kind <= 15; + ts.getTextOfNode = getTextOfNode; + function getLiteralText(node, sourceFile, languageVersion) { + if (languageVersion < 2 && (isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { + return getQuotedEscapedLiteralText('"', node.text, '"'); + } + if (!nodeIsSynthesized(node) && node.parent) { + var text = getSourceTextOfNodeFromSourceFile(sourceFile, node); + if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { + return node.text; + } + return text; + } + switch (node.kind) { + case 9: + return getQuotedEscapedLiteralText('"', node.text, '"'); + case 12: + return getQuotedEscapedLiteralText("`", node.text, "`"); + case 13: + return getQuotedEscapedLiteralText("`", node.text, "${"); + case 14: + return getQuotedEscapedLiteralText("}", node.text, "${"); + case 15: + return getQuotedEscapedLiteralText("}", node.text, "`"); + case 8: + return node.text; + } + ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); } - ts.isTemplateLiteralKind = isTemplateLiteralKind; - function isTemplateHead(node) { - return node.kind === 13; + ts.getLiteralText = getLiteralText; + function isBinaryOrOctalIntegerLiteral(node, text) { + if (node.kind === 8 && text.length > 1) { + switch (text.charCodeAt(1)) { + case 98: + case 66: + case 111: + case 79: + return true; + } + } + return false; } - ts.isTemplateHead = isTemplateHead; - function isTemplateMiddleOrTemplateTail(node) { - var kind = node.kind; - return kind === 14 - || kind === 15; + ts.isBinaryOrOctalIntegerLiteral = isBinaryOrOctalIntegerLiteral; + function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { + return leftQuote + escapeNonAsciiCharacters(escapeString(text)) + rightQuote; } - ts.isTemplateMiddleOrTemplateTail = isTemplateMiddleOrTemplateTail; - function isIdentifier(node) { - return node.kind === 70; + function escapeIdentifier(identifier) { + return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; } - ts.isIdentifier = isIdentifier; - function isGeneratedIdentifier(node) { - return isIdentifier(node) && node.autoGenerateKind > 0; + ts.escapeIdentifier = escapeIdentifier; + function unescapeIdentifier(identifier) { + return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; } - ts.isGeneratedIdentifier = isGeneratedIdentifier; - function isModifier(node) { - return isModifierKind(node.kind); + ts.unescapeIdentifier = unescapeIdentifier; + function makeIdentifierFromModuleName(moduleName) { + return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); } - ts.isModifier = isModifier; - function isQualifiedName(node) { - return node.kind === 140; + ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; + function isBlockOrCatchScoped(declaration) { + return (ts.getCombinedNodeFlags(declaration) & 3) !== 0 || + isCatchClauseVariableDeclarationOrBindingElement(declaration); } - ts.isQualifiedName = isQualifiedName; - function isComputedPropertyName(node) { - return node.kind === 141; + ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isCatchClauseVariableDeclarationOrBindingElement(declaration) { + var node = getRootDeclaration(declaration); + return node.kind === 219 && node.parent.kind === 252; } - ts.isComputedPropertyName = isComputedPropertyName; - function isEntityName(node) { - var kind = node.kind; - return kind === 140 - || kind === 70; + ts.isCatchClauseVariableDeclarationOrBindingElement = isCatchClauseVariableDeclarationOrBindingElement; + function isAmbientModule(node) { + return node && node.kind === 226 && + (node.name.kind === 9 || isGlobalScopeAugmentation(node)); } - ts.isEntityName = isEntityName; - function isPropertyName(node) { - var kind = node.kind; - return kind === 70 - || kind === 9 - || kind === 8 - || kind === 141; + ts.isAmbientModule = isAmbientModule; + function isShorthandAmbientModuleSymbol(moduleSymbol) { + return isShorthandAmbientModule(moduleSymbol.valueDeclaration); } - ts.isPropertyName = isPropertyName; - function isModuleName(node) { - var kind = node.kind; - return kind === 70 - || kind === 9; + ts.isShorthandAmbientModuleSymbol = isShorthandAmbientModuleSymbol; + function isShorthandAmbientModule(node) { + return node.kind === 226 && (!node.body); } - ts.isModuleName = isModuleName; - function isBindingName(node) { - var kind = node.kind; - return kind === 70 - || kind === 168 - || kind === 169; - } - ts.isBindingName = isBindingName; - function isTypeParameter(node) { - return node.kind === 142; - } - ts.isTypeParameter = isTypeParameter; - function isParameter(node) { - return node.kind === 143; - } - ts.isParameter = isParameter; - function isDecorator(node) { - return node.kind === 144; - } - ts.isDecorator = isDecorator; - function isMethodDeclaration(node) { - return node.kind === 148; - } - ts.isMethodDeclaration = isMethodDeclaration; - function isClassElement(node) { - var kind = node.kind; - return kind === 149 - || kind === 146 - || kind === 148 - || kind === 150 - || kind === 151 - || kind === 154 - || kind === 199; - } - ts.isClassElement = isClassElement; - function isObjectLiteralElementLike(node) { - var kind = node.kind; - return kind === 253 - || kind === 254 - || kind === 148 - || kind === 150 - || kind === 151 - || kind === 240; + function isBlockScopedContainerTopLevel(node) { + return node.kind === 256 || + node.kind === 226 || + isFunctionLike(node); } - ts.isObjectLiteralElementLike = isObjectLiteralElementLike; - function isTypeNodeKind(kind) { - return (kind >= 155 && kind <= 167) - || kind === 118 - || kind === 131 - || kind === 121 - || kind === 133 - || kind === 134 - || kind === 104 - || kind === 128 - || kind === 195; + ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; + function isGlobalScopeAugmentation(module) { + return !!(module.flags & 512); } - function isTypeNode(node) { - return isTypeNodeKind(node.kind); + ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; + function isExternalModuleAugmentation(node) { + if (!node || !isAmbientModule(node)) { + return false; + } + switch (node.parent.kind) { + case 256: + return ts.isExternalModule(node.parent); + case 227: + return isAmbientModule(node.parent.parent) && !ts.isExternalModule(node.parent.parent.parent); + } + return false; } - ts.isTypeNode = isTypeNode; - function isBindingPattern(node) { - if (node) { - var kind = node.kind; - return kind === 169 - || kind === 168; + ts.isExternalModuleAugmentation = isExternalModuleAugmentation; + function isBlockScope(node, parentNode) { + switch (node.kind) { + case 256: + case 228: + case 252: + case 226: + case 207: + case 208: + case 209: + case 149: + case 148: + case 150: + case 151: + case 221: + case 180: + case 181: + return true; + case 200: + return parentNode && !isFunctionLike(parentNode); } return false; } - ts.isBindingPattern = isBindingPattern; - function isBindingElement(node) { - return node.kind === 170; + ts.isBlockScope = isBlockScope; + function getEnclosingBlockScopeContainer(node) { + var current = node.parent; + while (current) { + if (isBlockScope(current, current.parent)) { + return current; + } + current = current.parent; + } } - ts.isBindingElement = isBindingElement; - function isArrayBindingElement(node) { - var kind = node.kind; - return kind === 170 - || kind === 194; + ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; + function declarationNameToString(name) { + return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); } - ts.isArrayBindingElement = isArrayBindingElement; - function isPropertyAccessExpression(node) { - return node.kind === 173; + ts.declarationNameToString = declarationNameToString; + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); } - ts.isPropertyAccessExpression = isPropertyAccessExpression; - function isElementAccessExpression(node) { - return node.kind === 174; + ts.createDiagnosticForNode = createDiagnosticForNode; + function createDiagnosticForNodeFromMessageChain(node, messageChain) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return { + file: sourceFile, + start: span.start, + length: span.length, + code: messageChain.code, + category: messageChain.category, + messageText: messageChain.next ? messageChain : messageChain.messageText + }; } - ts.isElementAccessExpression = isElementAccessExpression; - function isBinaryExpression(node) { - return node.kind === 188; + ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; + function getSpanOfTokenAtPosition(sourceFile, pos) { + var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); + scanner.scan(); + var start = scanner.getTokenPos(); + return ts.createTextSpanFromBounds(start, scanner.getTextPos()); } - ts.isBinaryExpression = isBinaryExpression; - function isConditionalExpression(node) { - return node.kind === 189; + ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; + function getErrorSpanForArrowFunction(sourceFile, node) { + var pos = ts.skipTrivia(sourceFile.text, node.pos); + if (node.body && node.body.kind === 200) { + var startLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.end).line; + if (startLine < endLine) { + return ts.createTextSpan(pos, getEndLinePosition(startLine, sourceFile) - pos + 1); + } + } + return ts.createTextSpanFromBounds(pos, node.end); } - ts.isConditionalExpression = isConditionalExpression; - function isCallExpression(node) { - return node.kind === 175; + function getErrorSpanForNode(sourceFile, node) { + var errorNode = node; + switch (node.kind) { + case 256: + var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); + if (pos_1 === sourceFile.text.length) { + return ts.createTextSpan(0, 0); + } + return getSpanOfTokenAtPosition(sourceFile, pos_1); + case 219: + case 170: + case 222: + case 193: + case 223: + case 226: + case 225: + case 255: + case 221: + case 180: + case 148: + case 150: + case 151: + case 224: + errorNode = node.name; + break; + case 181: + return getErrorSpanForArrowFunction(sourceFile, node); + } + if (errorNode === undefined) { + return getSpanOfTokenAtPosition(sourceFile, node.pos); + } + var pos = nodeIsMissing(errorNode) + ? errorNode.pos + : ts.skipTrivia(sourceFile.text, errorNode.pos); + return ts.createTextSpanFromBounds(pos, errorNode.end); } - ts.isCallExpression = isCallExpression; - function isTemplateLiteral(node) { - var kind = node.kind; - return kind === 190 - || kind === 12; + ts.getErrorSpanForNode = getErrorSpanForNode; + function isExternalOrCommonJsModule(file) { + return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; } - ts.isTemplateLiteral = isTemplateLiteral; - function isSpreadElementExpression(node) { - return node.kind === 192; + ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; + function isDeclarationFile(file) { + return file.isDeclarationFile; } - ts.isSpreadElementExpression = isSpreadElementExpression; - function isExpressionWithTypeArguments(node) { - return node.kind === 195; + ts.isDeclarationFile = isDeclarationFile; + function isConstEnumDeclaration(node) { + return node.kind === 225 && isConst(node); } - ts.isExpressionWithTypeArguments = isExpressionWithTypeArguments; - function isLeftHandSideExpressionKind(kind) { - return kind === 173 - || kind === 174 - || kind === 176 - || kind === 175 - || kind === 242 - || kind === 243 - || kind === 177 - || kind === 171 - || kind === 179 - || kind === 172 - || kind === 193 - || kind === 180 - || kind === 70 - || kind === 11 - || kind === 8 - || kind === 9 - || kind === 12 - || kind === 190 - || kind === 85 - || kind === 94 - || kind === 98 - || kind === 100 - || kind === 96 - || kind === 197; + ts.isConstEnumDeclaration = isConstEnumDeclaration; + function isConst(node) { + return !!(ts.getCombinedNodeFlags(node) & 2) + || !!(ts.getCombinedModifierFlags(node) & 2048); } - function isLeftHandSideExpression(node) { - return isLeftHandSideExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); + ts.isConst = isConst; + function isLet(node) { + return !!(ts.getCombinedNodeFlags(node) & 1); } - ts.isLeftHandSideExpression = isLeftHandSideExpression; - function isUnaryExpressionKind(kind) { - return kind === 186 - || kind === 187 - || kind === 182 - || kind === 183 - || kind === 184 - || kind === 185 - || kind === 178 - || isLeftHandSideExpressionKind(kind); + ts.isLet = isLet; + function isSuperCall(n) { + return n.kind === 175 && n.expression.kind === 96; } - function isUnaryExpression(node) { - return isUnaryExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); + ts.isSuperCall = isSuperCall; + function isPrologueDirective(node) { + return node.kind === 203 && node.expression.kind === 9; } - ts.isUnaryExpression = isUnaryExpression; - function isExpressionKind(kind) { - return kind === 189 - || kind === 191 - || kind === 181 - || kind === 188 - || kind === 192 - || kind === 196 - || kind === 194 - || isUnaryExpressionKind(kind); + ts.isPrologueDirective = isPrologueDirective; + function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { + return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); } - function isExpression(node) { - return isExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); + ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; + function getLeadingCommentRangesOfNodeFromText(node, text) { + return ts.getLeadingCommentRanges(text, node.pos); } - ts.isExpression = isExpression; - function isAssertionExpression(node) { - var kind = node.kind; - return kind === 178 - || kind === 196; + ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; + function getJsDocComments(node, sourceFileOfNode) { + return getJsDocCommentsFromText(node, sourceFileOfNode.text); } - ts.isAssertionExpression = isAssertionExpression; - function isPartiallyEmittedExpression(node) { - return node.kind === 288; + ts.getJsDocComments = getJsDocComments; + function getJsDocCommentsFromText(node, text) { + var commentRanges = (node.kind === 143 || + node.kind === 142 || + node.kind === 180 || + node.kind === 181) ? + ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : + getLeadingCommentRangesOfNodeFromText(node, text); + return ts.filter(commentRanges, isJsDocComment); + function isJsDocComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 42 && + text.charCodeAt(comment.pos + 3) !== 47; + } } - ts.isPartiallyEmittedExpression = isPartiallyEmittedExpression; - function isNotEmittedStatement(node) { - return node.kind === 287; + ts.getJsDocCommentsFromText = getJsDocCommentsFromText; + ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; + function isPartOfTypeNode(node) { + if (155 <= node.kind && node.kind <= 167) { + return true; + } + switch (node.kind) { + case 118: + case 131: + case 133: + case 121: + case 134: + case 136: + case 128: + return true; + case 104: + return node.parent.kind !== 184; + case 195: + return !isExpressionWithTypeArgumentsInClassExtendsClause(node); + case 70: + if (node.parent.kind === 140 && node.parent.right === node) { + node = node.parent; + } + else if (node.parent.kind === 173 && node.parent.name === node) { + node = node.parent; + } + ts.Debug.assert(node.kind === 70 || node.kind === 140 || node.kind === 173, "'node' was expected to be a qualified name, identifier or property access in 'isPartOfTypeNode'."); + case 140: + case 173: + case 98: + var parent_2 = node.parent; + if (parent_2.kind === 159) { + return false; + } + if (155 <= parent_2.kind && parent_2.kind <= 167) { + return true; + } + switch (parent_2.kind) { + case 195: + return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); + case 142: + return node === parent_2.constraint; + case 146: + case 145: + case 143: + case 219: + return node === parent_2.type; + case 221: + case 180: + case 181: + case 149: + case 148: + case 147: + case 150: + case 151: + return node === parent_2.type; + case 152: + case 153: + case 154: + return node === parent_2.type; + case 178: + return node === parent_2.type; + case 175: + case 176: + return parent_2.typeArguments && ts.indexOf(parent_2.typeArguments, node) >= 0; + case 177: + return false; + } + } + return false; } - ts.isNotEmittedStatement = isNotEmittedStatement; - function isNotEmittedOrPartiallyEmittedNode(node) { - return isNotEmittedStatement(node) - || isPartiallyEmittedExpression(node); + ts.isPartOfTypeNode = isPartOfTypeNode; + function forEachReturnStatement(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 212: + return visitor(node); + case 228: + case 200: + case 204: + case 205: + case 206: + case 207: + case 208: + case 209: + case 213: + case 214: + case 249: + case 250: + case 215: + case 217: + case 252: + return ts.forEachChild(node, traverse); + } + } } - ts.isNotEmittedOrPartiallyEmittedNode = isNotEmittedOrPartiallyEmittedNode; - function isOmittedExpression(node) { - return node.kind === 194; + ts.forEachReturnStatement = forEachReturnStatement; + function forEachYieldExpression(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 191: + visitor(node); + var operand = node.expression; + if (operand) { + traverse(operand); + } + case 225: + case 223: + case 226: + case 224: + case 222: + case 193: + return; + default: + if (isFunctionLike(node)) { + var name_8 = node.name; + if (name_8 && name_8.kind === 141) { + traverse(name_8.expression); + return; + } + } + else if (!isPartOfTypeNode(node)) { + ts.forEachChild(node, traverse); + } + } + } } - ts.isOmittedExpression = isOmittedExpression; - function isTemplateSpan(node) { - return node.kind === 198; + ts.forEachYieldExpression = forEachYieldExpression; + function isVariableLike(node) { + if (node) { + switch (node.kind) { + case 170: + case 255: + case 143: + case 253: + case 146: + case 145: + case 254: + case 219: + return true; + } + } + return false; } - ts.isTemplateSpan = isTemplateSpan; - function isBlock(node) { - return node.kind === 200; + ts.isVariableLike = isVariableLike; + function isAccessor(node) { + return node && (node.kind === 150 || node.kind === 151); } - ts.isBlock = isBlock; - function isConciseBody(node) { - return isBlock(node) - || isExpression(node); + ts.isAccessor = isAccessor; + function isClassLike(node) { + return node && (node.kind === 222 || node.kind === 193); } - ts.isConciseBody = isConciseBody; - function isFunctionBody(node) { - return isBlock(node); + ts.isClassLike = isClassLike; + function isFunctionLike(node) { + return node && isFunctionLikeKind(node.kind); } - ts.isFunctionBody = isFunctionBody; - function isForInitializer(node) { - return isVariableDeclarationList(node) - || isExpression(node); + ts.isFunctionLike = isFunctionLike; + function isFunctionLikeKind(kind) { + switch (kind) { + case 149: + case 180: + case 221: + case 181: + case 148: + case 147: + case 150: + case 151: + case 152: + case 153: + case 154: + case 157: + case 158: + return true; + } + return false; } - ts.isForInitializer = isForInitializer; - function isVariableDeclaration(node) { - return node.kind === 219; - } - ts.isVariableDeclaration = isVariableDeclaration; - function isVariableDeclarationList(node) { - return node.kind === 220; - } - ts.isVariableDeclarationList = isVariableDeclarationList; - function isCaseBlock(node) { - return node.kind === 228; - } - ts.isCaseBlock = isCaseBlock; - function isModuleBody(node) { - var kind = node.kind; - return kind === 227 - || kind === 226; - } - ts.isModuleBody = isModuleBody; - function isImportEqualsDeclaration(node) { - return node.kind === 230; - } - ts.isImportEqualsDeclaration = isImportEqualsDeclaration; - function isImportClause(node) { - return node.kind === 232; - } - ts.isImportClause = isImportClause; - function isNamedImportBindings(node) { - var kind = node.kind; - return kind === 234 - || kind === 233; - } - ts.isNamedImportBindings = isNamedImportBindings; - function isImportSpecifier(node) { - return node.kind === 235; - } - ts.isImportSpecifier = isImportSpecifier; - function isNamedExports(node) { - return node.kind === 238; - } - ts.isNamedExports = isNamedExports; - function isExportSpecifier(node) { - return node.kind === 239; - } - ts.isExportSpecifier = isExportSpecifier; - function isModuleOrEnumDeclaration(node) { - return node.kind === 226 || node.kind === 225; - } - ts.isModuleOrEnumDeclaration = isModuleOrEnumDeclaration; - function isDeclarationKind(kind) { - return kind === 181 - || kind === 170 - || kind === 222 - || kind === 193 - || kind === 149 - || kind === 225 - || kind === 255 - || kind === 239 - || kind === 221 - || kind === 180 - || kind === 150 - || kind === 232 - || kind === 230 - || kind === 235 - || kind === 223 - || kind === 148 - || kind === 147 - || kind === 226 - || kind === 229 - || kind === 233 - || kind === 143 - || kind === 253 - || kind === 146 - || kind === 145 - || kind === 151 - || kind === 254 - || kind === 224 - || kind === 142 - || kind === 219 - || kind === 279; - } - function isDeclarationStatementKind(kind) { - return kind === 221 - || kind === 240 - || kind === 222 - || kind === 223 - || kind === 224 - || kind === 225 - || kind === 226 - || kind === 231 - || kind === 230 - || kind === 237 - || kind === 236 - || kind === 229; - } - function isStatementKindButNotDeclarationKind(kind) { - return kind === 211 - || kind === 210 - || kind === 218 - || kind === 205 - || kind === 203 - || kind === 202 - || kind === 208 - || kind === 209 - || kind === 207 - || kind === 204 - || kind === 215 - || kind === 212 - || kind === 214 - || kind === 216 - || kind === 217 - || kind === 201 - || kind === 206 - || kind === 213 - || kind === 287; - } - function isDeclaration(node) { - return isDeclarationKind(node.kind); - } - ts.isDeclaration = isDeclaration; - function isDeclarationStatement(node) { - return isDeclarationStatementKind(node.kind); + ts.isFunctionLikeKind = isFunctionLikeKind; + function introducesArgumentsExoticObject(node) { + switch (node.kind) { + case 148: + case 147: + case 149: + case 150: + case 151: + case 221: + case 180: + return true; + } + return false; } - ts.isDeclarationStatement = isDeclarationStatement; - function isStatementButNotDeclaration(node) { - return isStatementKindButNotDeclarationKind(node.kind); + ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; + function isIterationStatement(node, lookInLabeledStatements) { + switch (node.kind) { + case 207: + case 208: + case 209: + case 205: + case 206: + return true; + case 215: + return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); + } + return false; } - ts.isStatementButNotDeclaration = isStatementButNotDeclaration; - function isStatement(node) { - var kind = node.kind; - return isStatementKindButNotDeclarationKind(kind) - || isDeclarationStatementKind(kind) - || kind === 200; + ts.isIterationStatement = isIterationStatement; + function isFunctionBlock(node) { + return node && node.kind === 200 && isFunctionLike(node.parent); } - ts.isStatement = isStatement; - function isModuleReference(node) { - var kind = node.kind; - return kind === 241 - || kind === 140 - || kind === 70; + ts.isFunctionBlock = isFunctionBlock; + function isObjectLiteralMethod(node) { + return node && node.kind === 148 && node.parent.kind === 172; } - ts.isModuleReference = isModuleReference; - function isJsxOpeningElement(node) { - return node.kind === 244; + ts.isObjectLiteralMethod = isObjectLiteralMethod; + function isObjectLiteralOrClassExpressionMethod(node) { + return node.kind === 148 && + (node.parent.kind === 172 || + node.parent.kind === 193); } - ts.isJsxOpeningElement = isJsxOpeningElement; - function isJsxClosingElement(node) { - return node.kind === 245; + ts.isObjectLiteralOrClassExpressionMethod = isObjectLiteralOrClassExpressionMethod; + function isIdentifierTypePredicate(predicate) { + return predicate && predicate.kind === 1; } - ts.isJsxClosingElement = isJsxClosingElement; - function isJsxTagNameExpression(node) { - var kind = node.kind; - return kind === 98 - || kind === 70 - || kind === 173; + ts.isIdentifierTypePredicate = isIdentifierTypePredicate; + function isThisTypePredicate(predicate) { + return predicate && predicate.kind === 0; } - ts.isJsxTagNameExpression = isJsxTagNameExpression; - function isJsxChild(node) { - var kind = node.kind; - return kind === 242 - || kind === 248 - || kind === 243 - || kind === 10; + ts.isThisTypePredicate = isThisTypePredicate; + function getContainingFunction(node) { + while (true) { + node = node.parent; + if (!node || isFunctionLike(node)) { + return node; + } + } } - ts.isJsxChild = isJsxChild; - function isJsxAttributeLike(node) { - var kind = node.kind; - return kind === 246 - || kind === 247; + ts.getContainingFunction = getContainingFunction; + function getContainingClass(node) { + while (true) { + node = node.parent; + if (!node || isClassLike(node)) { + return node; + } + } } - ts.isJsxAttributeLike = isJsxAttributeLike; - function isJsxSpreadAttribute(node) { - return node.kind === 247; + ts.getContainingClass = getContainingClass; + function getThisContainer(node, includeArrowFunctions) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 141: + if (isClassLike(node.parent.parent)) { + return node; + } + node = node.parent; + break; + case 144: + if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + case 181: + if (!includeArrowFunctions) { + continue; + } + case 221: + case 180: + case 226: + case 146: + case 145: + case 148: + case 147: + case 149: + case 150: + case 151: + case 152: + case 153: + case 154: + case 225: + case 256: + return node; + } + } } - ts.isJsxSpreadAttribute = isJsxSpreadAttribute; - function isJsxAttribute(node) { - return node.kind === 246; + ts.getThisContainer = getThisContainer; + function getSuperContainer(node, stopOnFunctions) { + while (true) { + node = node.parent; + if (!node) { + return node; + } + switch (node.kind) { + case 141: + node = node.parent; + break; + case 221: + case 180: + case 181: + if (!stopOnFunctions) { + continue; + } + case 146: + case 145: + case 148: + case 147: + case 149: + case 150: + case 151: + return node; + case 144: + if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + } + } } - ts.isJsxAttribute = isJsxAttribute; - function isStringLiteralOrJsxExpression(node) { - var kind = node.kind; - return kind === 9 - || kind === 248; + ts.getSuperContainer = getSuperContainer; + function getImmediatelyInvokedFunctionExpression(func) { + if (func.kind === 180 || func.kind === 181) { + var prev = func; + var parent_3 = func.parent; + while (parent_3.kind === 179) { + prev = parent_3; + parent_3 = parent_3.parent; + } + if (parent_3.kind === 175 && parent_3.expression === prev) { + return parent_3; + } + } } - ts.isStringLiteralOrJsxExpression = isStringLiteralOrJsxExpression; - function isCaseOrDefaultClause(node) { + ts.getImmediatelyInvokedFunctionExpression = getImmediatelyInvokedFunctionExpression; + function isSuperProperty(node) { var kind = node.kind; - return kind === 249 - || kind === 250; - } - ts.isCaseOrDefaultClause = isCaseOrDefaultClause; - function isHeritageClause(node) { - return node.kind === 251; - } - ts.isHeritageClause = isHeritageClause; - function isCatchClause(node) { - return node.kind === 252; - } - ts.isCatchClause = isCatchClause; - function isPropertyAssignment(node) { - return node.kind === 253; - } - ts.isPropertyAssignment = isPropertyAssignment; - function isShorthandPropertyAssignment(node) { - return node.kind === 254; - } - ts.isShorthandPropertyAssignment = isShorthandPropertyAssignment; - function isEnumMember(node) { - return node.kind === 255; - } - ts.isEnumMember = isEnumMember; - function isSourceFile(node) { - return node.kind === 256; + return (kind === 173 || kind === 174) + && node.expression.kind === 96; } - ts.isSourceFile = isSourceFile; - function isWatchSet(options) { - return options.watch && options.hasOwnProperty("watch"); + ts.isSuperProperty = isSuperProperty; + function getEntityNameFromTypeNode(node) { + if (node) { + switch (node.kind) { + case 156: + return node.typeName; + case 195: + ts.Debug.assert(isEntityNameExpression(node.expression)); + return node.expression; + case 70: + case 140: + return node; + } + } + return undefined; } - ts.isWatchSet = isWatchSet; -})(ts || (ts = {})); -(function (ts) { - function getDefaultLibFileName(options) { - switch (options.target) { - case 4: - return "lib.es2017.d.ts"; - case 3: - return "lib.es2016.d.ts"; - case 2: - return "lib.es6.d.ts"; + ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; + function isCallLikeExpression(node) { + switch (node.kind) { + case 175: + case 176: + case 177: + case 144: + return true; default: - return "lib.d.ts"; + return false; } } - ts.getDefaultLibFileName = getDefaultLibFileName; - function textSpanEnd(span) { - return span.start + span.length; - } - ts.textSpanEnd = textSpanEnd; - function textSpanIsEmpty(span) { - return span.length === 0; - } - ts.textSpanIsEmpty = textSpanIsEmpty; - function textSpanContainsPosition(span, position) { - return position >= span.start && position < textSpanEnd(span); - } - ts.textSpanContainsPosition = textSpanContainsPosition; - function textSpanContainsTextSpan(span, other) { - return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); - } - ts.textSpanContainsTextSpan = textSpanContainsTextSpan; - function textSpanOverlapsWith(span, other) { - var overlapStart = Math.max(span.start, other.start); - var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); - return overlapStart < overlapEnd; - } - ts.textSpanOverlapsWith = textSpanOverlapsWith; - function textSpanOverlap(span1, span2) { - var overlapStart = Math.max(span1.start, span2.start); - var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (overlapStart < overlapEnd) { - return createTextSpanFromBounds(overlapStart, overlapEnd); + ts.isCallLikeExpression = isCallLikeExpression; + function getInvokedExpression(node) { + if (node.kind === 177) { + return node.tag; } - return undefined; - } - ts.textSpanOverlap = textSpanOverlap; - function textSpanIntersectsWithTextSpan(span, other) { - return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; + return node.expression; } - ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; - function textSpanIntersectsWith(span, start, length) { - var end = start + length; - return start <= textSpanEnd(span) && end >= span.start; + ts.getInvokedExpression = getInvokedExpression; + function nodeCanBeDecorated(node) { + switch (node.kind) { + case 222: + return true; + case 146: + return node.parent.kind === 222; + case 150: + case 151: + case 148: + return node.body !== undefined + && node.parent.kind === 222; + case 143: + return node.parent.body !== undefined + && (node.parent.kind === 149 + || node.parent.kind === 148 + || node.parent.kind === 151) + && node.parent.parent.kind === 222; + } + return false; } - ts.textSpanIntersectsWith = textSpanIntersectsWith; - function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { - var end1 = start1 + length1; - var end2 = start2 + length2; - return start2 <= end1 && end2 >= start1; + ts.nodeCanBeDecorated = nodeCanBeDecorated; + function nodeIsDecorated(node) { + return node.decorators !== undefined + && nodeCanBeDecorated(node); } - ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; - function textSpanIntersectsWithPosition(span, position) { - return position <= textSpanEnd(span) && position >= span.start; + ts.nodeIsDecorated = nodeIsDecorated; + function nodeOrChildIsDecorated(node) { + return nodeIsDecorated(node) || childIsDecorated(node); } - ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; - function textSpanIntersection(span1, span2) { - var intersectStart = Math.max(span1.start, span2.start); - var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (intersectStart <= intersectEnd) { - return createTextSpanFromBounds(intersectStart, intersectEnd); + ts.nodeOrChildIsDecorated = nodeOrChildIsDecorated; + function childIsDecorated(node) { + switch (node.kind) { + case 222: + return ts.forEach(node.members, nodeOrChildIsDecorated); + case 148: + case 151: + return ts.forEach(node.parameters, nodeIsDecorated); } - return undefined; } - ts.textSpanIntersection = textSpanIntersection; - function createTextSpan(start, length) { - if (start < 0) { - throw new Error("start < 0"); - } - if (length < 0) { - throw new Error("length < 0"); + ts.childIsDecorated = childIsDecorated; + function isJSXTagName(node) { + var parent = node.parent; + if (parent.kind === 244 || + parent.kind === 243 || + parent.kind === 245) { + return parent.tagName === node; } - return { start: start, length: length }; - } - ts.createTextSpan = createTextSpan; - function createTextSpanFromBounds(start, end) { - return createTextSpan(start, end - start); - } - ts.createTextSpanFromBounds = createTextSpanFromBounds; - function textChangeRangeNewSpan(range) { - return createTextSpan(range.span.start, range.newLength); + return false; } - ts.textChangeRangeNewSpan = textChangeRangeNewSpan; - function textChangeRangeIsUnchanged(range) { - return textSpanIsEmpty(range.span) && range.newLength === 0; + ts.isJSXTagName = isJSXTagName; + function isPartOfExpression(node) { + switch (node.kind) { + case 98: + case 96: + case 94: + case 100: + case 85: + case 11: + case 171: + case 172: + case 173: + case 174: + case 175: + case 176: + case 177: + case 196: + case 178: + case 197: + case 179: + case 180: + case 193: + case 181: + case 184: + case 182: + case 183: + case 186: + case 187: + case 188: + case 189: + case 192: + case 190: + case 12: + case 194: + case 242: + case 243: + case 191: + case 185: + return true; + case 140: + while (node.parent.kind === 140) { + node = node.parent; + } + return node.parent.kind === 159 || isJSXTagName(node); + case 70: + if (node.parent.kind === 159 || isJSXTagName(node)) { + return true; + } + case 8: + case 9: + case 98: + var parent_4 = node.parent; + switch (parent_4.kind) { + case 219: + case 143: + case 146: + case 145: + case 255: + case 253: + case 170: + return parent_4.initializer === node; + case 203: + case 204: + case 205: + case 206: + case 212: + case 213: + case 214: + case 249: + case 216: + case 214: + return parent_4.expression === node; + case 207: + var forStatement = parent_4; + return (forStatement.initializer === node && forStatement.initializer.kind !== 220) || + forStatement.condition === node || + forStatement.incrementor === node; + case 208: + case 209: + var forInStatement = parent_4; + return (forInStatement.initializer === node && forInStatement.initializer.kind !== 220) || + forInStatement.expression === node; + case 178: + case 196: + return node === parent_4.expression; + case 198: + return node === parent_4.expression; + case 141: + return node === parent_4.expression; + case 144: + case 248: + case 247: + return true; + case 195: + return parent_4.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_4); + default: + if (isPartOfExpression(parent_4)) { + return true; + } + } + } + return false; } - ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; - function createTextChangeRange(span, newLength) { - if (newLength < 0) { - throw new Error("newLength < 0"); + ts.isPartOfExpression = isPartOfExpression; + function isInstantiatedModule(node, preserveConstEnums) { + var moduleState = ts.getModuleInstanceState(node); + return moduleState === 1 || + (preserveConstEnums && moduleState === 2); + } + ts.isInstantiatedModule = isInstantiatedModule; + function isExternalModuleImportEqualsDeclaration(node) { + return node.kind === 230 && node.moduleReference.kind === 241; + } + ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; + function getExternalModuleImportEqualsDeclarationExpression(node) { + ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); + return node.moduleReference.expression; + } + ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; + function isInternalModuleImportEqualsDeclaration(node) { + return node.kind === 230 && node.moduleReference.kind !== 241; + } + ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; + function isSourceFileJavaScript(file) { + return isInJavaScriptFile(file); + } + ts.isSourceFileJavaScript = isSourceFileJavaScript; + function isInJavaScriptFile(node) { + return node && !!(node.flags & 1048576); + } + ts.isInJavaScriptFile = isInJavaScriptFile; + function isRequireCall(expression, checkArgumentIsStringLiteral) { + var isRequire = expression.kind === 175 && + expression.expression.kind === 70 && + expression.expression.text === "require" && + expression.arguments.length === 1; + return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); + } + ts.isRequireCall = isRequireCall; + function isSingleOrDoubleQuote(charCode) { + return charCode === 39 || charCode === 34; + } + ts.isSingleOrDoubleQuote = isSingleOrDoubleQuote; + function isDeclarationOfFunctionExpression(s) { + if (s.valueDeclaration && s.valueDeclaration.kind === 219) { + var declaration = s.valueDeclaration; + return declaration.initializer && declaration.initializer.kind === 180; } - return { span: span, newLength: newLength }; + return false; } - ts.createTextChangeRange = createTextChangeRange; - ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); - function collapseTextChangeRangesAcrossMultipleVersions(changes) { - if (changes.length === 0) { - return ts.unchangedTextChangeRange; + ts.isDeclarationOfFunctionExpression = isDeclarationOfFunctionExpression; + function getSpecialPropertyAssignmentKind(expression) { + if (!isInJavaScriptFile(expression)) { + return 0; } - if (changes.length === 1) { - return changes[0]; + if (expression.kind !== 188) { + return 0; } - var change0 = changes[0]; - var oldStartN = change0.span.start; - var oldEndN = textSpanEnd(change0.span); - var newEndN = oldStartN + change0.newLength; - for (var i = 1; i < changes.length; i++) { - var nextChange = changes[i]; - var oldStart1 = oldStartN; - var oldEnd1 = oldEndN; - var newEnd1 = newEndN; - var oldStart2 = nextChange.span.start; - var oldEnd2 = textSpanEnd(nextChange.span); - var newEnd2 = oldStart2 + nextChange.newLength; - oldStartN = Math.min(oldStart1, oldStart2); - oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); - newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); + var expr = expression; + if (expr.operatorToken.kind !== 57 || expr.left.kind !== 173) { + return 0; } - return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); - } - ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; - function getTypeParameterOwner(d) { - if (d && d.kind === 142) { - for (var current = d; current; current = current.parent) { - if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 223) { - return current; + var lhs = expr.left; + if (lhs.expression.kind === 70) { + var lhsId = lhs.expression; + if (lhsId.text === "exports") { + return 1; + } + else if (lhsId.text === "module" && lhs.name.text === "exports") { + return 2; + } + } + else if (lhs.expression.kind === 98) { + return 4; + } + else if (lhs.expression.kind === 173) { + var innerPropertyAccess = lhs.expression; + if (innerPropertyAccess.expression.kind === 70) { + var innerPropertyAccessIdentifier = innerPropertyAccess.expression; + if (innerPropertyAccessIdentifier.text === "module" && innerPropertyAccess.name.text === "exports") { + return 1; + } + if (innerPropertyAccess.name.text === "prototype") { + return 3; } } } + return 0; } - ts.getTypeParameterOwner = getTypeParameterOwner; - function isParameterPropertyDeclaration(node) { - return ts.hasModifier(node, 92) && node.parent.kind === 149 && ts.isClassLike(node.parent.parent); - } - ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; - function walkUpBindingElementsAndPatterns(node) { - while (node && (node.kind === 170 || ts.isBindingPattern(node))) { - node = node.parent; + ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; + function getExternalModuleName(node) { + if (node.kind === 231) { + return node.moduleSpecifier; } - return node; - } - function getCombinedModifierFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = ts.getModifierFlags(node); - if (node.kind === 219) { - node = node.parent; + if (node.kind === 230) { + var reference = node.moduleReference; + if (reference.kind === 241) { + return reference.expression; + } } - if (node && node.kind === 220) { - flags |= ts.getModifierFlags(node); - node = node.parent; + if (node.kind === 237) { + return node.moduleSpecifier; } - if (node && node.kind === 201) { - flags |= ts.getModifierFlags(node); + if (node.kind === 226 && node.name.kind === 9) { + return node.name; } - return flags; } - ts.getCombinedModifierFlags = getCombinedModifierFlags; - function getCombinedNodeFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = node.flags; - if (node.kind === 219) { - node = node.parent; - } - if (node && node.kind === 220) { - flags |= node.flags; - node = node.parent; + ts.getExternalModuleName = getExternalModuleName; + function getNamespaceDeclarationNode(node) { + if (node.kind === 230) { + return node; } - if (node && node.kind === 201) { - flags |= node.flags; + var importClause = node.importClause; + if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 233) { + return importClause.namedBindings; } - return flags; } - ts.getCombinedNodeFlags = getCombinedNodeFlags; -})(ts || (ts = {})); -var ts; -(function (ts) { - function tokenIsIdentifierOrKeyword(token) { - return token >= 70; + ts.getNamespaceDeclarationNode = getNamespaceDeclarationNode; + function isDefaultImport(node) { + return node.kind === 231 + && node.importClause + && !!node.importClause.name; } - ts.tokenIsIdentifierOrKeyword = 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12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - function lookupInUnicodeMap(code, map) { - if (code < map[0]) { - return false; - } - var lo = 0; - var hi = map.length; - var mid; - while (lo + 1 < hi) { - mid = lo + (hi - lo) / 2; - mid -= mid % 2; - if (map[mid] <= code && code <= map[mid + 1]) { - return true; - } - if (code < map[mid]) { - hi = mid; - } - else { - lo = mid + 2; + ts.isDefaultImport = isDefaultImport; + function hasQuestionToken(node) { + if (node) { + switch (node.kind) { + case 143: + case 148: + case 147: + case 254: + case 253: + case 146: + case 145: + return node.questionToken !== undefined; } } return false; } - function isUnicodeIdentifierStart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierStart) : - lookupInUnicodeMap(code, unicodeES3IdentifierStart); + ts.hasQuestionToken = hasQuestionToken; + function isJSDocConstructSignature(node) { + return node.kind === 269 && + node.parameters.length > 0 && + node.parameters[0].type.kind === 271; } - ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; - function isUnicodeIdentifierPart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierPart) : - lookupInUnicodeMap(code, unicodeES3IdentifierPart); + ts.isJSDocConstructSignature = isJSDocConstructSignature; + function getJSDocTag(node, kind, checkParentVariableStatement) { + if (!node) { + return undefined; + } + var jsDocTags = getJSDocTags(node, checkParentVariableStatement); + if (!jsDocTags) { + return undefined; + } + for (var _i = 0, jsDocTags_1 = jsDocTags; _i < jsDocTags_1.length; _i++) { + var tag = jsDocTags_1[_i]; + if (tag.kind === kind) { + return tag; + } + } } - function makeReverseMap(source) { - var result = []; - for (var name_8 in source) { - result[source[name_8]] = name_8; + function append(previous, additional) { + if (additional) { + if (!previous) { + previous = []; + } + for (var _i = 0, additional_1 = additional; _i < additional_1.length; _i++) { + var x = additional_1[_i]; + previous.push(x); + } } - return result; + return previous; } - var tokenStrings = makeReverseMap(textToToken); - function tokenToString(t) { - return tokenStrings[t]; + function getJSDocComments(node, checkParentVariableStatement) { + return getJSDocs(node, checkParentVariableStatement, function (docs) { return ts.map(docs, function (doc) { return doc.comment; }); }, function (tags) { return ts.map(tags, function (tag) { return tag.comment; }); }); } - ts.tokenToString = tokenToString; - function stringToToken(s) { - return textToToken[s]; + ts.getJSDocComments = getJSDocComments; + function getJSDocTags(node, checkParentVariableStatement) { + return getJSDocs(node, checkParentVariableStatement, function (docs) { + var result = []; + for (var _i = 0, docs_1 = docs; _i < docs_1.length; _i++) { + var doc = docs_1[_i]; + if (doc.tags) { + result.push.apply(result, doc.tags); + } + } + return result; + }, function (tags) { return tags; }); } - ts.stringToToken = stringToToken; - function computeLineStarts(text) { - var result = new Array(); - var pos = 0; - var lineStart = 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 13: - if (text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - result.push(lineStart); - lineStart = pos; - break; - default: - if (ch > 127 && isLineBreak(ch)) { - result.push(lineStart); - lineStart = pos; - } - break; + function getJSDocs(node, checkParentVariableStatement, getDocs, getTags) { + var result = undefined; + if (checkParentVariableStatement) { + var isInitializerOfVariableDeclarationInStatement = isVariableLike(node.parent) && + (node.parent).initializer === node && + node.parent.parent.parent.kind === 201; + var isVariableOfVariableDeclarationStatement = isVariableLike(node) && + node.parent.parent.kind === 201; + var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : + isVariableOfVariableDeclarationStatement ? node.parent.parent : + undefined; + if (variableStatementNode) { + result = append(result, getJSDocs(variableStatementNode, checkParentVariableStatement, getDocs, getTags)); + } + if (node.kind === 226 && + node.parent && node.parent.kind === 226) { + result = append(result, getJSDocs(node.parent, checkParentVariableStatement, getDocs, getTags)); + } + var parent_5 = node.parent; + var isSourceOfAssignmentExpressionStatement = parent_5 && parent_5.parent && + parent_5.kind === 188 && + parent_5.operatorToken.kind === 57 && + parent_5.parent.kind === 203; + if (isSourceOfAssignmentExpressionStatement) { + result = append(result, getJSDocs(parent_5.parent, checkParentVariableStatement, getDocs, getTags)); + } + var isPropertyAssignmentExpression = parent_5 && parent_5.kind === 253; + if (isPropertyAssignmentExpression) { + result = append(result, getJSDocs(parent_5, checkParentVariableStatement, getDocs, getTags)); + } + if (node.kind === 143) { + var paramTags = getJSDocParameterTag(node, checkParentVariableStatement); + if (paramTags) { + result = append(result, getTags(paramTags)); + } + } + } + if (isVariableLike(node) && node.initializer) { + result = append(result, getJSDocs(node.initializer, false, getDocs, getTags)); + } + if (node.jsDocComments) { + if (result) { + result = append(result, getDocs(node.jsDocComments)); + } + else { + return getDocs(node.jsDocComments); } } - result.push(lineStart); return result; } - ts.computeLineStarts = computeLineStarts; - function getPositionOfLineAndCharacter(sourceFile, line, character) { - return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); - } - ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; - function computePositionOfLineAndCharacter(lineStarts, line, character) { - ts.Debug.assert(line >= 0 && line < lineStarts.length); - return lineStarts[line] + character; - } - ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; - function getLineStarts(sourceFile) { - return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); - } - ts.getLineStarts = getLineStarts; - function computeLineAndCharacterOfPosition(lineStarts, position) { - var lineNumber = ts.binarySearch(lineStarts, position); - if (lineNumber < 0) { - lineNumber = ~lineNumber - 1; - ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); + function getJSDocParameterTag(param, checkParentVariableStatement) { + var func = param.parent; + var tags = getJSDocTags(func, checkParentVariableStatement); + if (!param.name) { + var i = func.parameters.indexOf(param); + var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275; }); + if (paramTags && 0 <= i && i < paramTags.length) { + return [paramTags[i]]; + } + } + else if (param.name.kind === 70) { + var name_9 = param.name.text; + var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275 && tag.parameterName.text === name_9; }); + if (paramTags) { + return paramTags; + } + } + else { + return undefined; } - return { - line: lineNumber, - character: position - lineStarts[lineNumber] - }; } - ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; - function getLineAndCharacterOfPosition(sourceFile, position) { - return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + function getJSDocTypeTag(node) { + return getJSDocTag(node, 277, false); } - ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function isWhiteSpace(ch) { - return isWhiteSpaceSingleLine(ch) || isLineBreak(ch); + ts.getJSDocTypeTag = getJSDocTypeTag; + function getJSDocReturnTag(node) { + return getJSDocTag(node, 276, true); } - ts.isWhiteSpace = isWhiteSpace; - function isWhiteSpaceSingleLine(ch) { - return ch === 32 || - ch === 9 || - ch === 11 || - ch === 12 || - ch === 160 || - ch === 133 || - ch === 5760 || - ch >= 8192 && ch <= 8203 || - ch === 8239 || - ch === 8287 || - ch === 12288 || - ch === 65279; + ts.getJSDocReturnTag = getJSDocReturnTag; + function getJSDocTemplateTag(node) { + return getJSDocTag(node, 278, false); } - ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine; - function isLineBreak(ch) { - return ch === 10 || - ch === 13 || - ch === 8232 || - ch === 8233; + ts.getJSDocTemplateTag = getJSDocTemplateTag; + function getCorrespondingJSDocParameterTag(parameter) { + if (parameter.name && parameter.name.kind === 70) { + var parameterName = parameter.name.text; + var jsDocTags = getJSDocTags(parameter.parent, true); + if (!jsDocTags) { + return undefined; + } + for (var _i = 0, jsDocTags_2 = jsDocTags; _i < jsDocTags_2.length; _i++) { + var tag = jsDocTags_2[_i]; + if (tag.kind === 275) { + var parameterTag = tag; + if (parameterTag.parameterName.text === parameterName) { + return parameterTag; + } + } + } + } + return undefined; } - ts.isLineBreak = isLineBreak; - function isDigit(ch) { - return ch >= 48 && ch <= 57; + ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; + function hasRestParameter(s) { + return isRestParameter(ts.lastOrUndefined(s.parameters)); } - function isOctalDigit(ch) { - return ch >= 48 && ch <= 55; + ts.hasRestParameter = hasRestParameter; + function hasDeclaredRestParameter(s) { + return isDeclaredRestParam(ts.lastOrUndefined(s.parameters)); } - ts.isOctalDigit = isOctalDigit; - function couldStartTrivia(text, pos) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - case 10: - case 9: - case 11: - case 12: - case 32: - case 47: - case 60: - case 61: - case 62: + ts.hasDeclaredRestParameter = hasDeclaredRestParameter; + function isRestParameter(node) { + if (node && (node.flags & 1048576)) { + if (node.type && node.type.kind === 270) { return true; - case 35: - return pos === 0; - default: - return ch > 127; + } + var paramTag = getCorrespondingJSDocParameterTag(node); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 270; + } } + return isDeclaredRestParam(node); } - ts.couldStartTrivia = couldStartTrivia; - function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) { - if (stopAtComments === void 0) { stopAtComments = false; } - if (ts.positionIsSynthesized(pos)) { - return pos; + ts.isRestParameter = isRestParameter; + function isDeclaredRestParam(node) { + return node && node.dotDotDotToken !== undefined; + } + ts.isDeclaredRestParam = isDeclaredRestParam; + function isAssignmentTarget(node) { + while (node.parent.kind === 179) { + node = node.parent; } while (true) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (stopAfterLineBreak) { - return pos; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - if (stopAtComments) { - break; - } - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - continue; - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - continue; - } - break; - case 60: - case 61: - case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos); - continue; - } - break; - case 35: - if (pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - continue; - } - break; - default: - if (ch > 127 && (isWhiteSpace(ch))) { - pos++; - continue; - } - break; + var parent_6 = node.parent; + if (parent_6.kind === 171 || parent_6.kind === 192) { + node = parent_6; + continue; } - return pos; + if (parent_6.kind === 253 || parent_6.kind === 254) { + node = parent_6.parent; + continue; + } + return parent_6.kind === 188 && + isAssignmentOperator(parent_6.operatorToken.kind) && + parent_6.left === node || + (parent_6.kind === 208 || parent_6.kind === 209) && + parent_6.initializer === node; } } - ts.skipTrivia = skipTrivia; - var mergeConflictMarkerLength = "<<<<<<<".length; - function isConflictMarkerTrivia(text, pos) { - ts.Debug.assert(pos >= 0); - if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { - var ch = text.charCodeAt(pos); - if ((pos + mergeConflictMarkerLength) < text.length) { - for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { - if (text.charCodeAt(pos + i) !== ch) { - return false; - } - } - return ch === 61 || - text.charCodeAt(pos + mergeConflictMarkerLength) === 32; + ts.isAssignmentTarget = isAssignmentTarget; + function isNodeDescendantOf(node, ancestor) { + while (node) { + if (node === ancestor) + return true; + node = node.parent; + } + return false; + } + ts.isNodeDescendantOf = isNodeDescendantOf; + function isInAmbientContext(node) { + while (node) { + if (hasModifier(node, 2) || (node.kind === 256 && node.isDeclarationFile)) { + return true; } + node = node.parent; } return false; } - function scanConflictMarkerTrivia(text, pos, error) { - if (error) { - error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + ts.isInAmbientContext = isInAmbientContext; + function isDeclarationName(name) { + if (name.kind !== 70 && name.kind !== 9 && name.kind !== 8) { + return false; } - var ch = text.charCodeAt(pos); - var len = text.length; - if (ch === 60 || ch === 62) { - while (pos < len && !isLineBreak(text.charCodeAt(pos))) { - pos++; + var parent = name.parent; + if (parent.kind === 235 || parent.kind === 239) { + if (parent.propertyName) { + return true; } } - else { - ts.Debug.assert(ch === 61); - while (pos < len) { - var ch_1 = text.charCodeAt(pos); - if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { - break; - } - pos++; - } + if (isDeclaration(parent)) { + return parent.name === name; } - return pos; - } - var shebangTriviaRegex = /^#!.*/; - function isShebangTrivia(text, pos) { - ts.Debug.assert(pos === 0); - return shebangTriviaRegex.test(text); + return false; } - function scanShebangTrivia(text, pos) { - var shebang = shebangTriviaRegex.exec(text)[0]; - pos = pos + shebang.length; - return pos; + ts.isDeclarationName = isDeclarationName; + function isLiteralComputedPropertyDeclarationName(node) { + return (node.kind === 9 || node.kind === 8) && + node.parent.kind === 141 && + isDeclaration(node.parent.parent); } - function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) { - var pendingPos; - var pendingEnd; - var pendingKind; - var pendingHasTrailingNewLine; - var hasPendingCommentRange = false; - var collecting = trailing || pos === 0; - var accumulator = initial; - scan: while (pos >= 0 && pos < text.length) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (trailing) { - break scan; - } - collecting = true; - if (hasPendingCommentRange) { - pendingHasTrailingNewLine = true; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - var nextChar = text.charCodeAt(pos + 1); - var hasTrailingNewLine = false; - if (nextChar === 47 || nextChar === 42) { - var kind = nextChar === 47 ? 2 : 3; - var startPos = pos; - pos += 2; - if (nextChar === 47) { - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - hasTrailingNewLine = true; - break; - } - pos++; - } - } - else { - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - } - if (collecting) { - if (hasPendingCommentRange) { - accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); - if (!reduce && accumulator) { - return accumulator; - } - hasPendingCommentRange = false; - } - pendingPos = startPos; - pendingEnd = pos; - pendingKind = kind; - pendingHasTrailingNewLine = hasTrailingNewLine; - hasPendingCommentRange = true; - } - continue; - } - break scan; - default: - if (ch > 127 && (isWhiteSpace(ch))) { - if (hasPendingCommentRange && isLineBreak(ch)) { - pendingHasTrailingNewLine = true; - } - pos++; - continue; + ts.isLiteralComputedPropertyDeclarationName = isLiteralComputedPropertyDeclarationName; + function isIdentifierName(node) { + var parent = node.parent; + switch (parent.kind) { + case 146: + case 145: + case 148: + case 147: + case 150: + case 151: + case 255: + case 253: + case 173: + return parent.name === node; + case 140: + if (parent.right === node) { + while (parent.kind === 140) { + parent = parent.parent; } - break scan; - } - } - if (hasPendingCommentRange) { - accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); + return parent.kind === 159; + } + return false; + case 170: + case 235: + return parent.propertyName === node; + case 239: + return true; } - return accumulator; + return false; } - function forEachLeadingCommentRange(text, pos, cb, state) { - return iterateCommentRanges(false, text, pos, false, cb, state); + ts.isIdentifierName = isIdentifierName; + function isAliasSymbolDeclaration(node) { + return node.kind === 230 || + node.kind === 229 || + node.kind === 232 && !!node.name || + node.kind === 233 || + node.kind === 235 || + node.kind === 239 || + node.kind === 236 && exportAssignmentIsAlias(node); } - ts.forEachLeadingCommentRange = forEachLeadingCommentRange; - function forEachTrailingCommentRange(text, pos, cb, state) { - return iterateCommentRanges(false, text, pos, true, cb, state); + ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; + function exportAssignmentIsAlias(node) { + return isEntityNameExpression(node.expression); } - ts.forEachTrailingCommentRange = forEachTrailingCommentRange; - function reduceEachLeadingCommentRange(text, pos, cb, state, initial) { - return iterateCommentRanges(true, text, pos, false, cb, state, initial); + ts.exportAssignmentIsAlias = exportAssignmentIsAlias; + function getClassExtendsHeritageClauseElement(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 84); + return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; } - ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange; - function reduceEachTrailingCommentRange(text, pos, cb, state, initial) { - return iterateCommentRanges(true, text, pos, true, cb, state, initial); + ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; + function getClassImplementsHeritageClauseElements(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 107); + return heritageClause ? heritageClause.types : undefined; } - ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange; - function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) { - if (!comments) { - comments = []; - } - comments.push({ pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); - return comments; + ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; + function getInterfaceBaseTypeNodes(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 84); + return heritageClause ? heritageClause.types : undefined; } - function getLeadingCommentRanges(text, pos) { - return reduceEachLeadingCommentRange(text, pos, appendCommentRange, undefined, undefined); - } - ts.getLeadingCommentRanges = getLeadingCommentRanges; - function getTrailingCommentRanges(text, pos) { - return reduceEachTrailingCommentRange(text, pos, appendCommentRange, undefined, undefined); - } - ts.getTrailingCommentRanges = getTrailingCommentRanges; - function getShebang(text) { - return shebangTriviaRegex.test(text) - ? shebangTriviaRegex.exec(text)[0] - : undefined; - } - ts.getShebang = getShebang; - function isIdentifierStart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); - } - ts.isIdentifierStart = isIdentifierStart; - function isIdentifierPart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); - } - ts.isIdentifierPart = isIdentifierPart; - function isIdentifierText(name, languageVersion) { - if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { - return false; - } - for (var i = 1, n = name.length; i < n; i++) { - if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { - return false; + ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; + function getHeritageClause(clauses, kind) { + if (clauses) { + for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { + var clause = clauses_1[_i]; + if (clause.token === kind) { + return clause; + } } } - return true; + return undefined; } - ts.isIdentifierText = isIdentifierText; - function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { - if (languageVariant === void 0) { languageVariant = 0; } - var pos; - var end; - var startPos; - var tokenPos; - var token; - var tokenValue; - var precedingLineBreak; - var hasExtendedUnicodeEscape; - var tokenIsUnterminated; - setText(text, start, length); - return { - getStartPos: function () { return startPos; }, - getTextPos: function () { return pos; }, - getToken: function () { return token; }, - getTokenPos: function () { return tokenPos; }, - getTokenText: function () { return text.substring(tokenPos, pos); }, - getTokenValue: function () { return tokenValue; }, - hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, - hasPrecedingLineBreak: function () { return precedingLineBreak; }, - isIdentifier: function () { return token === 70 || token > 106; }, - isReservedWord: function () { return token >= 71 && token <= 106; }, - isUnterminated: function () { return tokenIsUnterminated; }, - reScanGreaterToken: reScanGreaterToken, - reScanSlashToken: reScanSlashToken, - reScanTemplateToken: reScanTemplateToken, - scanJsxIdentifier: scanJsxIdentifier, - scanJsxAttributeValue: scanJsxAttributeValue, - reScanJsxToken: reScanJsxToken, - scanJsxToken: scanJsxToken, - scanJSDocToken: scanJSDocToken, - scan: scan, - getText: getText, - setText: setText, - setScriptTarget: setScriptTarget, - setLanguageVariant: setLanguageVariant, - setOnError: setOnError, - setTextPos: setTextPos, - tryScan: tryScan, - lookAhead: lookAhead, - scanRange: scanRange, - }; - function error(message, length) { - if (onError) { - onError(message, length || 0); + ts.getHeritageClause = getHeritageClause; + function tryResolveScriptReference(host, sourceFile, reference) { + if (!host.getCompilerOptions().noResolve) { + var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); + return host.getSourceFile(referenceFileName); + } + } + ts.tryResolveScriptReference = tryResolveScriptReference; + function getAncestor(node, kind) { + while (node) { + if (node.kind === kind) { + return node; } + node = node.parent; } - function scanNumber() { - var start = pos; - while (isDigit(text.charCodeAt(pos))) - pos++; - if (text.charCodeAt(pos) === 46) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; + return undefined; + } + ts.getAncestor = getAncestor; + function getFileReferenceFromReferencePath(comment, commentRange) { + var simpleReferenceRegEx = /^\/\/\/\s*/gim; + if (simpleReferenceRegEx.test(comment)) { + if (isNoDefaultLibRegEx.test(comment)) { + return { + isNoDefaultLib: true + }; } - var end = pos; - if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { - pos++; - if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) - pos++; - if (isDigit(text.charCodeAt(pos))) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - end = pos; - } - else { - error(ts.Diagnostics.Digit_expected); + else { + var refMatchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); + var refLibResult = !refMatchResult && ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx.exec(comment); + if (refMatchResult || refLibResult) { + var start = commentRange.pos; + var end = commentRange.end; + return { + fileReference: { + pos: start, + end: end, + fileName: (refMatchResult || refLibResult)[3] + }, + isNoDefaultLib: false, + isTypeReferenceDirective: !!refLibResult + }; } + return { + diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, + isNoDefaultLib: false + }; } - return "" + +(text.substring(start, end)); - } - function scanOctalDigits() { - var start = pos; - while (isOctalDigit(text.charCodeAt(pos))) { - pos++; - } - return +(text.substring(start, pos)); } - function scanExactNumberOfHexDigits(count) { - return scanHexDigits(count, false); - } - function scanMinimumNumberOfHexDigits(count) { - return scanHexDigits(count, true); + return undefined; + } + ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; + function isKeyword(token) { + return 71 <= token && token <= 139; + } + ts.isKeyword = isKeyword; + function isTrivia(token) { + return 2 <= token && token <= 7; + } + ts.isTrivia = isTrivia; + function isAsyncFunctionLike(node) { + return isFunctionLike(node) && hasModifier(node, 256) && !isAccessor(node); + } + ts.isAsyncFunctionLike = isAsyncFunctionLike; + function isStringOrNumericLiteral(kind) { + return kind === 9 || kind === 8; + } + ts.isStringOrNumericLiteral = isStringOrNumericLiteral; + function hasDynamicName(declaration) { + return declaration.name && isDynamicName(declaration.name); + } + ts.hasDynamicName = hasDynamicName; + function isDynamicName(name) { + return name.kind === 141 && + !isStringOrNumericLiteral(name.expression.kind) && + !isWellKnownSymbolSyntactically(name.expression); + } + ts.isDynamicName = isDynamicName; + function isWellKnownSymbolSyntactically(node) { + return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + } + ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; + function getPropertyNameForPropertyNameNode(name) { + if (name.kind === 70 || name.kind === 9 || name.kind === 8 || name.kind === 143) { + return name.text; } - function scanHexDigits(minCount, scanAsManyAsPossible) { - var digits = 0; - var value = 0; - while (digits < minCount || scanAsManyAsPossible) { - var ch = text.charCodeAt(pos); - if (ch >= 48 && ch <= 57) { - value = value * 16 + ch - 48; - } - else if (ch >= 65 && ch <= 70) { - value = value * 16 + ch - 65 + 10; - } - else if (ch >= 97 && ch <= 102) { - value = value * 16 + ch - 97 + 10; - } - else { - break; - } - pos++; - digits++; - } - if (digits < minCount) { - value = -1; + if (name.kind === 141) { + var nameExpression = name.expression; + if (isWellKnownSymbolSyntactically(nameExpression)) { + var rightHandSideName = nameExpression.name.text; + return getPropertyNameForKnownSymbolName(rightHandSideName); } - return value; - } - function scanString(allowEscapes) { - if (allowEscapes === void 0) { allowEscapes = true; } - var quote = text.charCodeAt(pos); - pos++; - var result = ""; - var start = pos; - while (true) { - if (pos >= end) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - var ch = text.charCodeAt(pos); - if (ch === quote) { - result += text.substring(start, pos); - pos++; - break; - } - if (ch === 92 && allowEscapes) { - result += text.substring(start, pos); - result += scanEscapeSequence(); - start = pos; - continue; - } - if (isLineBreak(ch)) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - pos++; + else if (nameExpression.kind === 9 || nameExpression.kind === 8) { + return nameExpression.text; } - return result; } - function scanTemplateAndSetTokenValue() { - var startedWithBacktick = text.charCodeAt(pos) === 96; - pos++; - var start = pos; - var contents = ""; - var resultingToken; - while (true) { - if (pos >= end) { - contents += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_template_literal); - resultingToken = startedWithBacktick ? 12 : 15; - break; - } - var currChar = text.charCodeAt(pos); - if (currChar === 96) { - contents += text.substring(start, pos); - pos++; - resultingToken = startedWithBacktick ? 12 : 15; - break; - } - if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { - contents += text.substring(start, pos); - pos += 2; - resultingToken = startedWithBacktick ? 13 : 14; - break; - } - if (currChar === 92) { - contents += text.substring(start, pos); - contents += scanEscapeSequence(); - start = pos; - continue; - } - if (currChar === 13) { - contents += text.substring(start, pos); - pos++; - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - contents += "\n"; - start = pos; - continue; - } - pos++; - } - ts.Debug.assert(resultingToken !== undefined); - tokenValue = contents; - return resultingToken; + return undefined; + } + ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; + function getPropertyNameForKnownSymbolName(symbolName) { + return "__@" + symbolName; + } + ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; + function isESSymbolIdentifier(node) { + return node.kind === 70 && node.text === "Symbol"; + } + ts.isESSymbolIdentifier = isESSymbolIdentifier; + function isPushOrUnshiftIdentifier(node) { + return node.text === "push" || node.text === "unshift"; + } + ts.isPushOrUnshiftIdentifier = isPushOrUnshiftIdentifier; + function isModifierKind(token) { + switch (token) { + case 116: + case 119: + case 75: + case 123: + case 78: + case 83: + case 113: + case 111: + case 112: + case 129: + case 114: + return true; } - function scanEscapeSequence() { - pos++; - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - return ""; - } - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 48: - return "\0"; - case 98: - return "\b"; - case 116: - return "\t"; - case 110: - return "\n"; - case 118: - return "\v"; - case 102: - return "\f"; - case 114: - return "\r"; - case 39: - return "\'"; - case 34: - return "\""; - case 117: - if (pos < end && text.charCodeAt(pos) === 123) { - hasExtendedUnicodeEscape = true; - pos++; - return scanExtendedUnicodeEscape(); - } - return scanHexadecimalEscape(4); - case 120: - return scanHexadecimalEscape(2); - case 13: - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - case 8232: - case 8233: - return ""; - default: - return String.fromCharCode(ch); - } + return false; + } + ts.isModifierKind = isModifierKind; + function isParameterDeclaration(node) { + var root = getRootDeclaration(node); + return root.kind === 143; + } + ts.isParameterDeclaration = isParameterDeclaration; + function getRootDeclaration(node) { + while (node.kind === 170) { + node = node.parent.parent; } - function scanHexadecimalEscape(numDigits) { - var escapedValue = scanExactNumberOfHexDigits(numDigits); - if (escapedValue >= 0) { - return String.fromCharCode(escapedValue); - } - else { - error(ts.Diagnostics.Hexadecimal_digit_expected); - return ""; + return node; + } + ts.getRootDeclaration = getRootDeclaration; + function nodeStartsNewLexicalEnvironment(node) { + var kind = node.kind; + return kind === 149 + || kind === 180 + || kind === 221 + || kind === 181 + || kind === 148 + || kind === 150 + || kind === 151 + || kind === 226 + || kind === 256; + } + ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; + function nodeIsSynthesized(node) { + return ts.positionIsSynthesized(node.pos) + || ts.positionIsSynthesized(node.end); + } + ts.nodeIsSynthesized = nodeIsSynthesized; + function getOriginalNode(node) { + if (node) { + while (node.original !== undefined) { + node = node.original; } } - function scanExtendedUnicodeEscape() { - var escapedValue = scanMinimumNumberOfHexDigits(1); - var isInvalidExtendedEscape = false; - if (escapedValue < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - isInvalidExtendedEscape = true; - } - else if (escapedValue > 0x10FFFF) { - error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); - isInvalidExtendedEscape = true; - } - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - isInvalidExtendedEscape = true; - } - else if (text.charCodeAt(pos) === 125) { - pos++; - } - else { - error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); - isInvalidExtendedEscape = true; - } - if (isInvalidExtendedEscape) { - return ""; - } - return utf16EncodeAsString(escapedValue); + return node; + } + ts.getOriginalNode = getOriginalNode; + function isParseTreeNode(node) { + return (node.flags & 8) === 0; + } + ts.isParseTreeNode = isParseTreeNode; + function getParseTreeNode(node, nodeTest) { + if (isParseTreeNode(node)) { + return node; } - function utf16EncodeAsString(codePoint) { - ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); - if (codePoint <= 65535) { - return String.fromCharCode(codePoint); - } - var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; - var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; - return String.fromCharCode(codeUnit1, codeUnit2); + node = getOriginalNode(node); + if (isParseTreeNode(node) && (!nodeTest || nodeTest(node))) { + return node; } - function peekUnicodeEscape() { - if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { - var start_1 = pos; - pos += 2; - var value = scanExactNumberOfHexDigits(4); - pos = start_1; - return value; + return undefined; + } + ts.getParseTreeNode = getParseTreeNode; + function getOriginalSourceFiles(sourceFiles) { + var originalSourceFiles = []; + for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { + var sourceFile = sourceFiles_1[_i]; + var originalSourceFile = getParseTreeNode(sourceFile, isSourceFile); + if (originalSourceFile) { + originalSourceFiles.push(originalSourceFile); } - return -1; } - function scanIdentifierParts() { - var result = ""; - var start = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (isIdentifierPart(ch, languageVersion)) { - pos++; - } - else if (ch === 92) { - ch = peekUnicodeEscape(); - if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { - break; - } - result += text.substring(start, pos); - result += String.fromCharCode(ch); - pos += 6; - start = pos; - } - else { - break; + return originalSourceFiles; + } + ts.getOriginalSourceFiles = getOriginalSourceFiles; + function getOriginalNodeId(node) { + node = getOriginalNode(node); + return node ? ts.getNodeId(node) : 0; + } + ts.getOriginalNodeId = getOriginalNodeId; + function getExpressionAssociativity(expression) { + var operator = getOperator(expression); + var hasArguments = expression.kind === 176 && expression.arguments !== undefined; + return getOperatorAssociativity(expression.kind, operator, hasArguments); + } + ts.getExpressionAssociativity = getExpressionAssociativity; + function getOperatorAssociativity(kind, operator, hasArguments) { + switch (kind) { + case 176: + return hasArguments ? 0 : 1; + case 186: + case 183: + case 184: + case 182: + case 185: + case 189: + case 191: + return 1; + case 188: + switch (operator) { + case 39: + case 57: + case 58: + case 59: + case 61: + case 60: + case 62: + case 63: + case 64: + case 65: + case 66: + case 67: + case 69: + case 68: + return 1; } - } - result += text.substring(start, pos); - return result; } - function getIdentifierToken() { - var len = tokenValue.length; - if (len >= 2 && len <= 11) { - var ch = tokenValue.charCodeAt(0); - if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { - return token = textToToken[tokenValue]; - } - } - return token = 70; + return 0; + } + ts.getOperatorAssociativity = getOperatorAssociativity; + function getExpressionPrecedence(expression) { + var operator = getOperator(expression); + var hasArguments = expression.kind === 176 && expression.arguments !== undefined; + return getOperatorPrecedence(expression.kind, operator, hasArguments); + } + ts.getExpressionPrecedence = getExpressionPrecedence; + function getOperator(expression) { + if (expression.kind === 188) { + return expression.operatorToken.kind; } - function scanBinaryOrOctalDigits(base) { - ts.Debug.assert(base === 2 || base === 8, "Expected either base 2 or base 8"); - var value = 0; - var numberOfDigits = 0; - while (true) { - var ch = text.charCodeAt(pos); - var valueOfCh = ch - 48; - if (!isDigit(ch) || valueOfCh >= base) { - break; - } - value = value * base + valueOfCh; - pos++; - numberOfDigits++; - } - if (numberOfDigits === 0) { - return -1; - } - return value; + else if (expression.kind === 186 || expression.kind === 187) { + return expression.operator; } - function scan() { - startPos = pos; - hasExtendedUnicodeEscape = false; - precedingLineBreak = false; - tokenIsUnterminated = false; - while (true) { - tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var ch = text.charCodeAt(pos); - if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - if (skipTrivia) { - continue; - } - else { - return token = 6; - } - } - switch (ch) { - case 10: - case 13: - precedingLineBreak = true; - if (skipTrivia) { - pos++; - continue; - } - else { - if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { - pos += 2; - } - else { - pos++; - } - return token = 4; - } - case 9: - case 11: - case 12: - case 32: - if (skipTrivia) { - pos++; - continue; - } - else { - while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { - pos++; - } - return token = 5; - } - case 33: - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 34; - } - return pos += 2, token = 32; - } - pos++; - return token = 50; - case 34: + else { + return expression.kind; + } + } + ts.getOperator = getOperator; + function getOperatorPrecedence(nodeKind, operatorKind, hasArguments) { + switch (nodeKind) { + case 98: + case 96: + case 70: + case 94: + case 100: + case 85: + case 8: + case 9: + case 171: + case 172: + case 180: + case 181: + case 193: + case 242: + case 243: + case 11: + case 12: + case 190: + case 179: + case 194: + return 19; + case 177: + case 173: + case 174: + return 18; + case 176: + return hasArguments ? 18 : 17; + case 175: + return 17; + case 187: + return 16; + case 186: + case 183: + case 184: + case 182: + case 185: + return 15; + case 188: + switch (operatorKind) { + case 50: + case 51: + return 15; case 39: - tokenValue = scanString(); - return token = 9; - case 96: - return token = scanTemplateAndSetTokenValue(); - case 37: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 63; - } - pos++; - return token = 41; case 38: - if (text.charCodeAt(pos + 1) === 38) { - return pos += 2, token = 52; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 67; - } - pos++; - return token = 47; case 40: - pos++; - return token = 18; case 41: - pos++; - return token = 19; - case 42: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 60; - } - if (text.charCodeAt(pos + 1) === 42) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 61; - } - return pos += 2, token = 39; - } - pos++; - return token = 38; - case 43: - if (text.charCodeAt(pos + 1) === 43) { - return pos += 2, token = 42; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 58; - } - pos++; - return token = 36; + return 14; + case 36: + case 37: + return 13; case 44: - pos++; - return token = 25; case 45: - if (text.charCodeAt(pos + 1) === 45) { - return pos += 2, token = 43; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 59; - } - pos++; - return token = 37; case 46: - if (isDigit(text.charCodeAt(pos + 1))) { - tokenValue = scanNumber(); - return token = 8; - } - if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { - return pos += 3, token = 23; - } - pos++; - return token = 22; + return 12; + case 26: + case 29: + case 28: + case 30: + case 91: + case 92: + return 11; + case 31: + case 33: + case 32: + case 34: + return 10; case 47: - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < end) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - if (skipTrivia) { - continue; - } - else { - return token = 2; - } - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - var commentClosed = false; - while (pos < end) { - var ch_2 = text.charCodeAt(pos); - if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - commentClosed = true; - break; - } - if (isLineBreak(ch_2)) { - precedingLineBreak = true; - } - pos++; - } - if (!commentClosed) { - error(ts.Diagnostics.Asterisk_Slash_expected); - } - if (skipTrivia) { - continue; - } - else { - tokenIsUnterminated = !commentClosed; - return token = 3; - } - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 62; - } - pos++; - return token = 40; - case 48: - if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { - pos += 2; - var value = scanMinimumNumberOfHexDigits(1); - if (value < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { - pos += 2; - var value = scanBinaryOrOctalDigits(2); - if (value < 0) { - error(ts.Diagnostics.Binary_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { - pos += 2; - var value = scanBinaryOrOctalDigits(8); - if (value < 0) { - error(ts.Diagnostics.Octal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { - tokenValue = "" + scanOctalDigits(); - return token = 8; - } + return 9; case 49: - case 50: - case 51: + return 8; + case 48: + return 7; case 52: + return 6; case 53: - case 54: - case 55: - case 56: + return 5; case 57: - tokenValue = scanNumber(); - return token = 8; case 58: - pos++; - return token = 55; case 59: - pos++; - return token = 24; - case 60: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 60) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 64; - } - return pos += 2, token = 44; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 29; - } - if (languageVariant === 1 && - text.charCodeAt(pos + 1) === 47 && - text.charCodeAt(pos + 2) !== 42) { - return pos += 2, token = 27; - } - pos++; - return token = 26; case 61: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 33; - } - return pos += 2, token = 31; - } - if (text.charCodeAt(pos + 1) === 62) { - return pos += 2, token = 35; - } - pos++; - return token = 57; + case 60: case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - pos++; - return token = 28; case 63: - pos++; - return token = 54; - case 91: - pos++; - return token = 20; - case 93: - pos++; - return token = 21; - case 94: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 69; - } - pos++; - return token = 49; - case 123: - pos++; - return token = 16; - case 124: - if (text.charCodeAt(pos + 1) === 124) { - return pos += 2, token = 53; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 68; - } - pos++; - return token = 48; - case 125: - pos++; - return token = 17; - case 126: - pos++; - return token = 51; case 64: - pos++; - return token = 56; - case 92: - var cookedChar = peekUnicodeEscape(); - if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { - pos += 6; - tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); - return token = getIdentifierToken(); - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; + case 65: + case 66: + case 67: + case 69: + case 68: + return 3; + case 25: + return 0; default: - if (isIdentifierStart(ch, languageVersion)) { - pos++; - while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) - pos++; - tokenValue = text.substring(tokenPos, pos); - if (ch === 92) { - tokenValue += scanIdentifierParts(); - } - return token = getIdentifierToken(); - } - else if (isWhiteSpaceSingleLine(ch)) { - pos++; - continue; - } - else if (isLineBreak(ch)) { - precedingLineBreak = true; - pos++; - continue; - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; - } - } - } - function reScanGreaterToken() { - if (token === 28) { - if (text.charCodeAt(pos) === 62) { - if (text.charCodeAt(pos + 1) === 62) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 66; - } - return pos += 2, token = 46; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 65; - } - pos++; - return token = 45; - } - if (text.charCodeAt(pos) === 61) { - pos++; - return token = 30; - } - } - return token; - } - function reScanSlashToken() { - if (token === 40 || token === 62) { - var p = tokenPos + 1; - var inEscape = false; - var inCharacterClass = false; - while (true) { - if (p >= end) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - var ch = text.charCodeAt(p); - if (isLineBreak(ch)) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - if (inEscape) { - inEscape = false; - } - else if (ch === 47 && !inCharacterClass) { - p++; - break; - } - else if (ch === 91) { - inCharacterClass = true; - } - else if (ch === 92) { - inEscape = true; - } - else if (ch === 93) { - inCharacterClass = false; - } - p++; - } - while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { - p++; + return -1; } - pos = p; - tokenValue = text.substring(tokenPos, pos); - token = 11; - } - return token; - } - function reScanTemplateToken() { - ts.Debug.assert(token === 17, "'reScanTemplateToken' should only be called on a '}'"); - pos = tokenPos; - return token = scanTemplateAndSetTokenValue(); + case 189: + return 4; + case 191: + return 2; + case 192: + return 1; + default: + return -1; } - function reScanJsxToken() { - pos = tokenPos = startPos; - return token = scanJsxToken(); + } + ts.getOperatorPrecedence = getOperatorPrecedence; + function createDiagnosticCollection() { + var nonFileDiagnostics = []; + var fileDiagnostics = ts.createMap(); + var diagnosticsModified = false; + var modificationCount = 0; + return { + add: add, + getGlobalDiagnostics: getGlobalDiagnostics, + getDiagnostics: getDiagnostics, + getModificationCount: getModificationCount, + reattachFileDiagnostics: reattachFileDiagnostics + }; + function getModificationCount() { + return modificationCount; } - function scanJsxToken() { - startPos = tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var char = text.charCodeAt(pos); - if (char === 60) { - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - return token = 27; - } - pos++; - return token = 26; - } - if (char === 123) { - pos++; - return token = 16; + function reattachFileDiagnostics(newFile) { + if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { + return; } - while (pos < end) { - pos++; - char = text.charCodeAt(pos); - if ((char === 123) || (char === 60)) { - break; - } + for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { + var diagnostic = _a[_i]; + diagnostic.file = newFile; } - return token = 10; } - function scanJsxIdentifier() { - if (tokenIsIdentifierOrKeyword(token)) { - var firstCharPosition = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { - pos++; - } - else { - break; - } + function add(diagnostic) { + var diagnostics; + if (diagnostic.file) { + diagnostics = fileDiagnostics[diagnostic.file.fileName]; + if (!diagnostics) { + diagnostics = []; + fileDiagnostics[diagnostic.file.fileName] = diagnostics; } - tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); } - return token; - } - function scanJsxAttributeValue() { - startPos = pos; - switch (text.charCodeAt(pos)) { - case 34: - case 39: - tokenValue = scanString(false); - return token = 9; - default: - return scan(); + else { + diagnostics = nonFileDiagnostics; } + diagnostics.push(diagnostic); + diagnosticsModified = true; + modificationCount++; } - function scanJSDocToken() { - if (pos >= end) { - return token = 1; - } - startPos = pos; - tokenPos = pos; - var ch = text.charCodeAt(pos); - switch (ch) { - case 9: - case 11: - case 12: - case 32: - while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { - pos++; - } - return token = 5; - case 64: - pos++; - return token = 56; - case 10: - case 13: - pos++; - return token = 4; - case 42: - pos++; - return token = 38; - case 123: - pos++; - return token = 16; - case 125: - pos++; - return token = 17; - case 91: - pos++; - return token = 20; - case 93: - pos++; - return token = 21; - case 61: - pos++; - return token = 57; - case 44: - pos++; - return token = 25; + function getGlobalDiagnostics() { + sortAndDeduplicate(); + return nonFileDiagnostics; + } + function getDiagnostics(fileName) { + sortAndDeduplicate(); + if (fileName) { + return fileDiagnostics[fileName] || []; } - if (isIdentifierStart(ch, 4)) { - pos++; - while (isIdentifierPart(text.charCodeAt(pos), 4) && pos < end) { - pos++; - } - return token = 70; + var allDiagnostics = []; + function pushDiagnostic(d) { + allDiagnostics.push(d); } - else { - return pos += 1, token = 0; + ts.forEach(nonFileDiagnostics, pushDiagnostic); + for (var key in fileDiagnostics) { + ts.forEach(fileDiagnostics[key], pushDiagnostic); } + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); } - function speculationHelper(callback, isLookahead) { - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var saveTokenValue = tokenValue; - var savePrecedingLineBreak = precedingLineBreak; - var result = callback(); - if (!result || isLookahead) { - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - tokenValue = saveTokenValue; - precedingLineBreak = savePrecedingLineBreak; + function sortAndDeduplicate() { + if (!diagnosticsModified) { + return; + } + diagnosticsModified = false; + nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); + for (var key in fileDiagnostics) { + fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); } - return result; - } - function scanRange(start, length, callback) { - var saveEnd = end; - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var savePrecedingLineBreak = precedingLineBreak; - var saveTokenValue = tokenValue; - var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; - var saveTokenIsUnterminated = tokenIsUnterminated; - setText(text, start, length); - var result = callback(); - end = saveEnd; - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - precedingLineBreak = savePrecedingLineBreak; - tokenValue = saveTokenValue; - hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; - tokenIsUnterminated = saveTokenIsUnterminated; - return result; } - function lookAhead(callback) { - return speculationHelper(callback, true); + } + ts.createDiagnosticCollection = createDiagnosticCollection; + var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; + var escapedCharsMap = ts.createMap({ + "\0": "\\0", + "\t": "\\t", + "\v": "\\v", + "\f": "\\f", + "\b": "\\b", + "\r": "\\r", + "\n": "\\n", + "\\": "\\\\", + "\"": "\\\"", + "\u2028": "\\u2028", + "\u2029": "\\u2029", + "\u0085": "\\u0085" + }); + function escapeString(s) { + s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; + return s; + function getReplacement(c) { + return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); } - function tryScan(callback) { - return speculationHelper(callback, false); + } + ts.escapeString = escapeString; + function isIntrinsicJsxName(name) { + var ch = name.substr(0, 1); + return ch.toLowerCase() === ch; + } + ts.isIntrinsicJsxName = isIntrinsicJsxName; + function get16BitUnicodeEscapeSequence(charCode) { + var hexCharCode = charCode.toString(16).toUpperCase(); + var paddedHexCode = ("0000" + hexCharCode).slice(-4); + return "\\u" + paddedHexCode; + } + var nonAsciiCharacters = /[^\u0000-\u007F]/g; + function escapeNonAsciiCharacters(s) { + return nonAsciiCharacters.test(s) ? + s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : + s; + } + ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; + var indentStrings = ["", " "]; + function getIndentString(level) { + if (indentStrings[level] === undefined) { + indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; } - function getText() { - return text; + return indentStrings[level]; + } + ts.getIndentString = getIndentString; + function getIndentSize() { + return indentStrings[1].length; + } + ts.getIndentSize = getIndentSize; + function createTextWriter(newLine) { + var output; + var indent; + var lineStart; + var lineCount; + var linePos; + function write(s) { + if (s && s.length) { + if (lineStart) { + output += getIndentString(indent); + lineStart = false; + } + output += s; + } } - function setText(newText, start, length) { - text = newText || ""; - end = length === undefined ? text.length : start + length; - setTextPos(start || 0); + function reset() { + output = ""; + indent = 0; + lineStart = true; + lineCount = 0; + linePos = 0; } - function setOnError(errorCallback) { - onError = errorCallback; + function rawWrite(s) { + if (s !== undefined) { + if (lineStart) { + lineStart = false; + } + output += s; + } } - function setScriptTarget(scriptTarget) { - languageVersion = scriptTarget; + function writeLiteral(s) { + if (s && s.length) { + write(s); + var lineStartsOfS = ts.computeLineStarts(s); + if (lineStartsOfS.length > 1) { + lineCount = lineCount + lineStartsOfS.length - 1; + linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + } + } } - function setLanguageVariant(variant) { - languageVariant = variant; + function writeLine() { + if (!lineStart) { + output += newLine; + lineCount++; + linePos = output.length; + lineStart = true; + } } - function setTextPos(textPos) { - ts.Debug.assert(textPos >= 0); - pos = textPos; - startPos = textPos; - tokenPos = textPos; - token = 0; - precedingLineBreak = false; - tokenValue = undefined; - hasExtendedUnicodeEscape = false; - tokenIsUnterminated = false; + function writeTextOfNode(text, node) { + write(getTextOfNodeFromSourceText(text, node)); } + reset(); + return { + write: write, + rawWrite: rawWrite, + writeTextOfNode: writeTextOfNode, + writeLiteral: writeLiteral, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + getIndent: function () { return indent; }, + getTextPos: function () { return output.length; }, + getLine: function () { return lineCount + 1; }, + getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, + getText: function () { return output; }, + isAtStartOfLine: function () { return lineStart; }, + reset: reset + }; } - ts.createScanner = createScanner; -})(ts || (ts = {})); -var ts; -(function (ts) { - var NodeConstructor; - var SourceFileConstructor; - function createNode(kind, location, flags) { - var ConstructorForKind = kind === 256 - ? (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor())) - : (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor())); - var node = location - ? new ConstructorForKind(kind, location.pos, location.end) - : new ConstructorForKind(kind, -1, -1); - node.flags = flags | 8; - return node; + ts.createTextWriter = createTextWriter; + function getResolvedExternalModuleName(host, file) { + return file.moduleName || getExternalModuleNameFromPath(host, file.fileName); } - function updateNode(updated, original) { - if (updated !== original) { - setOriginalNode(updated, original); - if (original.startsOnNewLine) { - updated.startsOnNewLine = true; - } - ts.aggregateTransformFlags(updated); + ts.getResolvedExternalModuleName = getResolvedExternalModuleName; + function getExternalModuleNameFromDeclaration(host, resolver, declaration) { + var file = resolver.getExternalModuleFileFromDeclaration(declaration); + if (!file || isDeclarationFile(file)) { + return undefined; } - return updated; + return getResolvedExternalModuleName(host, file); } - ts.updateNode = updateNode; - function createNodeArray(elements, location, hasTrailingComma) { - if (elements) { - if (ts.isNodeArray(elements)) { - return elements; - } + ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; + function getExternalModuleNameFromPath(host, fileName) { + var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; + var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); + var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); + var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); + return ts.removeFileExtension(relativePath); + } + ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; + function getOwnEmitOutputFilePath(sourceFile, host, extension) { + var compilerOptions = host.getCompilerOptions(); + var emitOutputFilePathWithoutExtension; + if (compilerOptions.outDir) { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); } else { - elements = []; + emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); } - var array = elements; - if (location) { - array.pos = location.pos; - array.end = location.end; + return emitOutputFilePathWithoutExtension + extension; + } + ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; + function getDeclarationEmitOutputFilePath(sourceFile, host) { + var options = host.getCompilerOptions(); + var outputDir = options.declarationDir || options.outDir; + var path = outputDir + ? getSourceFilePathInNewDir(sourceFile, host, outputDir) + : sourceFile.fileName; + return ts.removeFileExtension(path) + ".d.ts"; + } + ts.getDeclarationEmitOutputFilePath = getDeclarationEmitOutputFilePath; + function getSourceFilesToEmit(host, targetSourceFile) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + var moduleKind = ts.getEmitModuleKind(options); + var moduleEmitEnabled = moduleKind === ts.ModuleKind.AMD || moduleKind === ts.ModuleKind.System; + var sourceFiles = host.getSourceFiles(); + return ts.filter(sourceFiles, moduleEmitEnabled ? isNonDeclarationFile : isBundleEmitNonExternalModule); } else { - array.pos = -1; - array.end = -1; - } - if (hasTrailingComma) { - array.hasTrailingComma = true; + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + return ts.filter(sourceFiles, isNonDeclarationFile); } - return array; } - ts.createNodeArray = createNodeArray; - function createSynthesizedNode(kind, startsOnNewLine) { - var node = createNode(kind, undefined); - node.startsOnNewLine = startsOnNewLine; - return node; + ts.getSourceFilesToEmit = getSourceFilesToEmit; + function isNonDeclarationFile(sourceFile) { + return !isDeclarationFile(sourceFile); } - ts.createSynthesizedNode = createSynthesizedNode; - function createSynthesizedNodeArray(elements) { - return createNodeArray(elements, undefined); - } - ts.createSynthesizedNodeArray = createSynthesizedNodeArray; - function getSynthesizedClone(node) { - var clone = createNode(node.kind, undefined, node.flags); - setOriginalNode(clone, node); - for (var key in node) { - if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { - continue; - } - clone[key] = node[key]; - } - return clone; - } - ts.getSynthesizedClone = getSynthesizedClone; - function getMutableClone(node) { - var clone = getSynthesizedClone(node); - clone.pos = node.pos; - clone.end = node.end; - clone.parent = node.parent; - return clone; + function isBundleEmitNonExternalModule(sourceFile) { + return !isDeclarationFile(sourceFile) && !ts.isExternalModule(sourceFile); } - ts.getMutableClone = getMutableClone; - function createLiteral(value, location) { - if (typeof value === "number") { - var node = createNode(8, location, undefined); - node.text = value.toString(); - return node; + function forEachTransformedEmitFile(host, sourceFiles, action, emitOnlyDtsFiles) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + onBundledEmit(sourceFiles); } - else if (typeof value === "boolean") { - return createNode(value ? 100 : 85, location, undefined); + else { + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } } - else if (typeof value === "string") { - var node = createNode(9, location, undefined); - node.text = value; - return node; + function onSingleFileEmit(host, sourceFile) { + var extension = ".js"; + if (options.jsx === 1) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1) { + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); + var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (options.declaration || emitOnlyDtsFiles) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; + action(jsFilePath, sourceMapFilePath, declarationFilePath, [sourceFile], false); } - else if (value) { - var node = createNode(9, location, undefined); - node.textSourceNode = value; - node.text = value.text; - return node; + function onBundledEmit(sourceFiles) { + if (sourceFiles.length) { + var jsFilePath = options.outFile || options.out; + var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); + var declarationFilePath = options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; + action(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, true); + } } } - ts.createLiteral = createLiteral; - var nextAutoGenerateId = 0; - function createIdentifier(text, location) { - var node = createNode(70, location); - node.text = ts.escapeIdentifier(text); - node.originalKeywordKind = ts.stringToToken(text); - node.autoGenerateKind = 0; - node.autoGenerateId = 0; - return node; + ts.forEachTransformedEmitFile = forEachTransformedEmitFile; + function getSourceMapFilePath(jsFilePath, options) { + return options.sourceMap ? jsFilePath + ".map" : undefined; } - ts.createIdentifier = createIdentifier; - function createTempVariable(recordTempVariable, location) { - var name = createNode(70, location); - name.text = ""; - name.originalKeywordKind = 0; - name.autoGenerateKind = 1; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - if (recordTempVariable) { - recordTempVariable(name); + function forEachExpectedEmitFile(host, action, targetSourceFile, emitOnlyDtsFiles) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + onBundledEmit(host); } - return name; - } - ts.createTempVariable = createTempVariable; - function createLoopVariable(location) { - var name = createNode(70, location); - name.text = ""; - name.originalKeywordKind = 0; - name.autoGenerateKind = 2; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - return name; - } - ts.createLoopVariable = createLoopVariable; - function createUniqueName(text, location) { - var name = createNode(70, location); - name.text = text; - name.originalKeywordKind = 0; - name.autoGenerateKind = 3; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - return name; - } - ts.createUniqueName = createUniqueName; - function getGeneratedNameForNode(node, location) { - var name = createNode(70, location); - name.original = node; - name.text = ""; - name.originalKeywordKind = 0; - name.autoGenerateKind = 4; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - return name; - } - ts.getGeneratedNameForNode = getGeneratedNameForNode; - function createToken(token) { - return createNode(token); - } - ts.createToken = createToken; - function createSuper() { - var node = createNode(96); - return node; - } - ts.createSuper = createSuper; - function createThis(location) { - var node = createNode(98, location); - return node; - } - ts.createThis = createThis; - function createNull() { - var node = createNode(94); - return node; - } - ts.createNull = createNull; - function createComputedPropertyName(expression, location) { - var node = createNode(141, location); - node.expression = expression; - return node; - } - ts.createComputedPropertyName = createComputedPropertyName; - function updateComputedPropertyName(node, expression) { - if (node.expression !== expression) { - return updateNode(createComputedPropertyName(expression, node), node); + else { + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { + var sourceFile = sourceFiles_3[_i]; + if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } } - return node; - } - ts.updateComputedPropertyName = updateComputedPropertyName; - function createParameter(name, initializer, location) { - return createParameterDeclaration(undefined, undefined, undefined, name, undefined, undefined, initializer, location); - } - ts.createParameter = createParameter; - function createParameterDeclaration(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer, location, flags) { - var node = createNode(143, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.dotDotDotToken = dotDotDotToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.questionToken = questionToken; - node.type = type; - node.initializer = initializer ? parenthesizeExpressionForList(initializer) : undefined; - return node; - } - ts.createParameterDeclaration = createParameterDeclaration; - function updateParameterDeclaration(node, decorators, modifiers, name, type, initializer) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { - return updateNode(createParameterDeclaration(decorators, modifiers, node.dotDotDotToken, name, node.questionToken, type, initializer, node, node.flags), node); + function onSingleFileEmit(host, sourceFile) { + var extension = ".js"; + if (options.jsx === 1) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1) { + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (emitOnlyDtsFiles || options.declaration) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: declarationFilePath + }; + action(emitFileNames, [sourceFile], false, emitOnlyDtsFiles); } - return node; - } - ts.updateParameterDeclaration = updateParameterDeclaration; - function createProperty(decorators, modifiers, name, questionToken, type, initializer, location) { - var node = createNode(146, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.questionToken = questionToken; - node.type = type; - node.initializer = initializer; - return node; - } - ts.createProperty = createProperty; - function updateProperty(node, decorators, modifiers, name, type, initializer) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { - return updateNode(createProperty(decorators, modifiers, name, node.questionToken, type, initializer, node), node); + function onBundledEmit(host) { + var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && + !host.isSourceFileFromExternalLibrary(sourceFile) && + (!ts.isExternalModule(sourceFile) || + !!ts.getEmitModuleKind(options)); }); + if (bundledSources.length) { + var jsFilePath = options.outFile || options.out; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined + }; + action(emitFileNames, bundledSources, true, emitOnlyDtsFiles); + } } - return node; } - ts.updateProperty = updateProperty; - function createMethod(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { - var node = createNode(148, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.asteriskToken = asteriskToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; + ts.forEachExpectedEmitFile = forEachExpectedEmitFile; + function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { + var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); + var commonSourceDirectory = host.getCommonSourceDirectory(); + var isSourceFileInCommonSourceDirectory = host.getCanonicalFileName(sourceFilePath).indexOf(host.getCanonicalFileName(commonSourceDirectory)) === 0; + sourceFilePath = isSourceFileInCommonSourceDirectory ? sourceFilePath.substring(commonSourceDirectory.length) : sourceFilePath; + return ts.combinePaths(newDirPath, sourceFilePath); } - ts.createMethod = createMethod; - function updateMethod(node, decorators, modifiers, name, typeParameters, parameters, type, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createMethod(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); - } - return node; + ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; + function writeFile(host, diagnostics, fileName, data, writeByteOrderMark, sourceFiles) { + host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { + diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); + }, sourceFiles); } - ts.updateMethod = updateMethod; - function createConstructor(decorators, modifiers, parameters, body, location, flags) { - var node = createNode(149, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.typeParameters = undefined; - node.parameters = createNodeArray(parameters); - node.type = undefined; - node.body = body; - return node; + ts.writeFile = writeFile; + function getLineOfLocalPosition(currentSourceFile, pos) { + return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; } - ts.createConstructor = createConstructor; - function updateConstructor(node, decorators, modifiers, parameters, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.parameters !== parameters || node.body !== body) { - return updateNode(createConstructor(decorators, modifiers, parameters, body, node, node.flags), node); - } - return node; + ts.getLineOfLocalPosition = getLineOfLocalPosition; + function getLineOfLocalPositionFromLineMap(lineMap, pos) { + return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; } - ts.updateConstructor = updateConstructor; - function createGetAccessor(decorators, modifiers, name, parameters, type, body, location, flags) { - var node = createNode(150, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; + ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; + function getFirstConstructorWithBody(node) { + return ts.forEach(node.members, function (member) { + if (member.kind === 149 && nodeIsPresent(member.body)) { + return member; + } + }); } - ts.createGetAccessor = createGetAccessor; - function updateGetAccessor(node, decorators, modifiers, name, parameters, type, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createGetAccessor(decorators, modifiers, name, parameters, type, body, node, node.flags), node); + ts.getFirstConstructorWithBody = getFirstConstructorWithBody; + function getSetAccessorTypeAnnotationNode(accessor) { + if (accessor && accessor.parameters.length > 0) { + var hasThis = accessor.parameters.length === 2 && parameterIsThisKeyword(accessor.parameters[0]); + return accessor.parameters[hasThis ? 1 : 0].type; } - return node; - } - ts.updateGetAccessor = updateGetAccessor; - function createSetAccessor(decorators, modifiers, name, parameters, body, location, flags) { - var node = createNode(151, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = undefined; - node.parameters = createNodeArray(parameters); - node.body = body; - return node; } - ts.createSetAccessor = createSetAccessor; - function updateSetAccessor(node, decorators, modifiers, name, parameters, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.body !== body) { - return updateNode(createSetAccessor(decorators, modifiers, name, parameters, body, node, node.flags), node); + ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; + function getThisParameter(signature) { + if (signature.parameters.length) { + var thisParameter = signature.parameters[0]; + if (parameterIsThisKeyword(thisParameter)) { + return thisParameter; + } } - return node; } - ts.updateSetAccessor = updateSetAccessor; - function createObjectBindingPattern(elements, location) { - var node = createNode(168, location); - node.elements = createNodeArray(elements); - return node; + ts.getThisParameter = getThisParameter; + function parameterIsThisKeyword(parameter) { + return isThisIdentifier(parameter.name); } - ts.createObjectBindingPattern = createObjectBindingPattern; - function updateObjectBindingPattern(node, elements) { - if (node.elements !== elements) { - return updateNode(createObjectBindingPattern(elements, node), node); - } - return node; + ts.parameterIsThisKeyword = parameterIsThisKeyword; + function isThisIdentifier(node) { + return node && node.kind === 70 && identifierIsThisKeyword(node); } - ts.updateObjectBindingPattern = updateObjectBindingPattern; - function createArrayBindingPattern(elements, location) { - var node = createNode(169, location); - node.elements = createNodeArray(elements); - return node; + ts.isThisIdentifier = isThisIdentifier; + function identifierIsThisKeyword(id) { + return id.originalKeywordKind === 98; } - ts.createArrayBindingPattern = createArrayBindingPattern; - function updateArrayBindingPattern(node, elements) { - if (node.elements !== elements) { - return updateNode(createArrayBindingPattern(elements, node), node); + ts.identifierIsThisKeyword = identifierIsThisKeyword; + function getAllAccessorDeclarations(declarations, accessor) { + var firstAccessor; + var secondAccessor; + var getAccessor; + var setAccessor; + if (hasDynamicName(accessor)) { + firstAccessor = accessor; + if (accessor.kind === 150) { + getAccessor = accessor; + } + else if (accessor.kind === 151) { + setAccessor = accessor; + } + else { + ts.Debug.fail("Accessor has wrong kind"); + } } - return node; + else { + ts.forEach(declarations, function (member) { + if ((member.kind === 150 || member.kind === 151) + && hasModifier(member, 32) === hasModifier(accessor, 32)) { + var memberName = getPropertyNameForPropertyNameNode(member.name); + var accessorName = getPropertyNameForPropertyNameNode(accessor.name); + if (memberName === accessorName) { + if (!firstAccessor) { + firstAccessor = member; + } + else if (!secondAccessor) { + secondAccessor = member; + } + if (member.kind === 150 && !getAccessor) { + getAccessor = member; + } + if (member.kind === 151 && !setAccessor) { + setAccessor = member; + } + } + } + }); + } + return { + firstAccessor: firstAccessor, + secondAccessor: secondAccessor, + getAccessor: getAccessor, + setAccessor: setAccessor + }; } - ts.updateArrayBindingPattern = updateArrayBindingPattern; - function createBindingElement(propertyName, dotDotDotToken, name, initializer, location) { - var node = createNode(170, location); - node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; - node.dotDotDotToken = dotDotDotToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.initializer = initializer; - return node; + ts.getAllAccessorDeclarations = getAllAccessorDeclarations; + function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { + emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, node.pos, leadingComments); } - ts.createBindingElement = createBindingElement; - function updateBindingElement(node, propertyName, name, initializer) { - if (node.propertyName !== propertyName || node.name !== name || node.initializer !== initializer) { - return updateNode(createBindingElement(propertyName, node.dotDotDotToken, name, initializer, node), node); + ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; + function emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, pos, leadingComments) { + if (leadingComments && leadingComments.length && pos !== leadingComments[0].pos && + getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { + writer.writeLine(); } - return node; } - ts.updateBindingElement = updateBindingElement; - function createArrayLiteral(elements, location, multiLine) { - var node = createNode(171, location); - node.elements = parenthesizeListElements(createNodeArray(elements)); - if (multiLine) { - node.multiLine = true; + ts.emitNewLineBeforeLeadingCommentsOfPosition = emitNewLineBeforeLeadingCommentsOfPosition; + function emitNewLineBeforeLeadingCommentOfPosition(lineMap, writer, pos, commentPos) { + if (pos !== commentPos && + getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, commentPos)) { + writer.writeLine(); } - return node; } - ts.createArrayLiteral = createArrayLiteral; - function updateArrayLiteral(node, elements) { - if (node.elements !== elements) { - return updateNode(createArrayLiteral(elements, node, node.multiLine), node); + ts.emitNewLineBeforeLeadingCommentOfPosition = emitNewLineBeforeLeadingCommentOfPosition; + function emitComments(text, lineMap, writer, comments, leadingSeparator, trailingSeparator, newLine, writeComment) { + if (comments && comments.length > 0) { + if (leadingSeparator) { + writer.write(" "); + } + var emitInterveningSeparator = false; + for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { + var comment = comments_1[_i]; + if (emitInterveningSeparator) { + writer.write(" "); + emitInterveningSeparator = false; + } + writeComment(text, lineMap, writer, comment.pos, comment.end, newLine); + if (comment.hasTrailingNewLine) { + writer.writeLine(); + } + else { + emitInterveningSeparator = true; + } + } + if (emitInterveningSeparator && trailingSeparator) { + writer.write(" "); + } } - return node; } - ts.updateArrayLiteral = updateArrayLiteral; - function createObjectLiteral(properties, location, multiLine) { - var node = createNode(172, location); - node.properties = createNodeArray(properties); - if (multiLine) { - node.multiLine = true; + ts.emitComments = emitComments; + function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { + var leadingComments; + var currentDetachedCommentInfo; + if (removeComments) { + if (node.pos === 0) { + leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + } } - return node; - } - ts.createObjectLiteral = createObjectLiteral; - function updateObjectLiteral(node, properties) { - if (node.properties !== properties) { - return updateNode(createObjectLiteral(properties, node, node.multiLine), node); + else { + leadingComments = ts.getLeadingCommentRanges(text, node.pos); } - return node; - } - ts.updateObjectLiteral = updateObjectLiteral; - function createPropertyAccess(expression, name, location, flags) { - var node = createNode(173, location, flags); - node.expression = parenthesizeForAccess(expression); - (node.emitNode || (node.emitNode = {})).flags |= 1048576; - node.name = typeof name === "string" ? createIdentifier(name) : name; - return node; - } - ts.createPropertyAccess = createPropertyAccess; - function updatePropertyAccess(node, expression, name) { - if (node.expression !== expression || node.name !== name) { - var propertyAccess = createPropertyAccess(expression, name, node, node.flags); - (propertyAccess.emitNode || (propertyAccess.emitNode = {})).flags = getEmitFlags(node); - return updateNode(propertyAccess, node); + if (leadingComments) { + var detachedComments = []; + var lastComment = void 0; + for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { + var comment = leadingComments_1[_i]; + if (lastComment) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); + var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); + if (commentLine >= lastCommentLine + 2) { + break; + } + } + detachedComments.push(comment); + lastComment = comment; + } + if (detachedComments.length) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); + var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); + if (nodeLine >= lastCommentLine + 2) { + emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); + emitComments(text, lineMap, writer, detachedComments, false, true, newLine, writeComment); + currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; + } + } } - return node; - } - ts.updatePropertyAccess = updatePropertyAccess; - function createElementAccess(expression, index, location) { - var node = createNode(174, location); - node.expression = parenthesizeForAccess(expression); - node.argumentExpression = typeof index === "number" ? createLiteral(index) : index; - return node; - } - ts.createElementAccess = createElementAccess; - function updateElementAccess(node, expression, argumentExpression) { - if (node.expression !== expression || node.argumentExpression !== argumentExpression) { - return updateNode(createElementAccess(expression, argumentExpression, node), node); + return currentDetachedCommentInfo; + function isPinnedComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 33; } - return node; } - ts.updateElementAccess = updateElementAccess; - function createCall(expression, typeArguments, argumentsArray, location, flags) { - var node = createNode(175, location, flags); - node.expression = parenthesizeForAccess(expression); - if (typeArguments) { - node.typeArguments = createNodeArray(typeArguments); + ts.emitDetachedComments = emitDetachedComments; + function writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine) { + if (text.charCodeAt(commentPos + 1) === 42) { + var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, commentPos); + var lineCount = lineMap.length; + var firstCommentLineIndent = void 0; + for (var pos = commentPos, currentLine = firstCommentLineAndCharacter.line; pos < commentEnd; currentLine++) { + var nextLineStart = (currentLine + 1) === lineCount + ? text.length + 1 + : lineMap[currentLine + 1]; + if (pos !== commentPos) { + if (firstCommentLineIndent === undefined) { + firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], commentPos); + } + var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); + var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); + if (spacesToEmit > 0) { + var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); + var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); + writer.rawWrite(indentSizeSpaceString); + while (numberOfSingleSpacesToEmit) { + writer.rawWrite(" "); + numberOfSingleSpacesToEmit--; + } + } + else { + writer.rawWrite(""); + } + } + writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart); + pos = nextLineStart; + } } - node.arguments = parenthesizeListElements(createNodeArray(argumentsArray)); - return node; - } - ts.createCall = createCall; - function updateCall(node, expression, typeArguments, argumentsArray) { - if (expression !== node.expression || typeArguments !== node.typeArguments || argumentsArray !== node.arguments) { - return updateNode(createCall(expression, typeArguments, argumentsArray, node, node.flags), node); + else { + writer.write(text.substring(commentPos, commentEnd)); } - return node; - } - ts.updateCall = updateCall; - function createNew(expression, typeArguments, argumentsArray, location, flags) { - var node = createNode(176, location, flags); - node.expression = parenthesizeForNew(expression); - node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; - node.arguments = argumentsArray ? parenthesizeListElements(createNodeArray(argumentsArray)) : undefined; - return node; } - ts.createNew = createNew; - function updateNew(node, expression, typeArguments, argumentsArray) { - if (node.expression !== expression || node.typeArguments !== typeArguments || node.arguments !== argumentsArray) { - return updateNode(createNew(expression, typeArguments, argumentsArray, node, node.flags), node); + ts.writeCommentRange = writeCommentRange; + function writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart) { + var end = Math.min(commentEnd, nextLineStart - 1); + var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); + if (currentLineText) { + writer.write(currentLineText); + if (end !== commentEnd) { + writer.writeLine(); + } } - return node; - } - ts.updateNew = updateNew; - function createTaggedTemplate(tag, template, location) { - var node = createNode(177, location); - node.tag = parenthesizeForAccess(tag); - node.template = template; - return node; - } - ts.createTaggedTemplate = createTaggedTemplate; - function updateTaggedTemplate(node, tag, template) { - if (node.tag !== tag || node.template !== template) { - return updateNode(createTaggedTemplate(tag, template, node), node); + else { + writer.writeLiteral(newLine); } - return node; - } - ts.updateTaggedTemplate = updateTaggedTemplate; - function createParen(expression, location) { - var node = createNode(179, location); - node.expression = expression; - return node; } - ts.createParen = createParen; - function updateParen(node, expression) { - if (node.expression !== expression) { - return updateNode(createParen(expression, node), node); + function calculateIndent(text, pos, end) { + var currentLineIndent = 0; + for (; pos < end && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) { + if (text.charCodeAt(pos) === 9) { + currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + } + else { + currentLineIndent++; + } } - return node; - } - ts.updateParen = updateParen; - function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { - var node = createNode(180, location, flags); - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.asteriskToken = asteriskToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; + return currentLineIndent; } - ts.createFunctionExpression = createFunctionExpression; - function updateFunctionExpression(node, modifiers, name, typeParameters, parameters, type, body) { - if (node.name !== name || node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createFunctionExpression(modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); - } - return node; + function hasModifiers(node) { + return getModifierFlags(node) !== 0; } - ts.updateFunctionExpression = updateFunctionExpression; - function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body, location, flags) { - var node = createNode(181, location, flags); - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.equalsGreaterThanToken = equalsGreaterThanToken || createToken(35); - node.body = parenthesizeConciseBody(body); - return node; + ts.hasModifiers = hasModifiers; + function hasModifier(node, flags) { + return (getModifierFlags(node) & flags) !== 0; } - ts.createArrowFunction = createArrowFunction; - function updateArrowFunction(node, modifiers, typeParameters, parameters, type, body) { - if (node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createArrowFunction(modifiers, typeParameters, parameters, type, node.equalsGreaterThanToken, body, node, node.flags), node); + ts.hasModifier = hasModifier; + function getModifierFlags(node) { + if (node.modifierFlagsCache & 536870912) { + return node.modifierFlagsCache & ~536870912; } - return node; - } - ts.updateArrowFunction = updateArrowFunction; - function createDelete(expression, location) { - var node = createNode(182, location); - node.expression = parenthesizePrefixOperand(expression); - return node; - } - ts.createDelete = createDelete; - function updateDelete(node, expression) { - if (node.expression !== expression) { - return updateNode(createDelete(expression, node), expression); + var flags = 0; + if (node.modifiers) { + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + flags |= modifierToFlag(modifier.kind); + } } - return node; - } - ts.updateDelete = updateDelete; - function createTypeOf(expression, location) { - var node = createNode(183, location); - node.expression = parenthesizePrefixOperand(expression); - return node; - } - ts.createTypeOf = createTypeOf; - function updateTypeOf(node, expression) { - if (node.expression !== expression) { - return updateNode(createTypeOf(expression, node), expression); + if (node.flags & 4 || (node.kind === 70 && node.isInJSDocNamespace)) { + flags |= 1; } - return node; - } - ts.updateTypeOf = updateTypeOf; - function createVoid(expression, location) { - var node = createNode(184, location); - node.expression = parenthesizePrefixOperand(expression); - return node; + node.modifierFlagsCache = flags | 536870912; + return flags; } - ts.createVoid = createVoid; - function updateVoid(node, expression) { - if (node.expression !== expression) { - return updateNode(createVoid(expression, node), node); + ts.getModifierFlags = getModifierFlags; + function modifierToFlag(token) { + switch (token) { + case 114: return 32; + case 113: return 4; + case 112: return 16; + case 111: return 8; + case 116: return 128; + case 83: return 1; + case 123: return 2; + case 75: return 2048; + case 78: return 512; + case 119: return 256; + case 129: return 64; } - return node; - } - ts.updateVoid = updateVoid; - function createAwait(expression, location) { - var node = createNode(185, location); - node.expression = parenthesizePrefixOperand(expression); - return node; + return 0; } - ts.createAwait = createAwait; - function updateAwait(node, expression) { - if (node.expression !== expression) { - return updateNode(createAwait(expression, node), node); - } - return node; + ts.modifierToFlag = modifierToFlag; + function isLogicalOperator(token) { + return token === 53 + || token === 52 + || token === 50; } - ts.updateAwait = updateAwait; - function createPrefix(operator, operand, location) { - var node = createNode(186, location); - node.operator = operator; - node.operand = parenthesizePrefixOperand(operand); - return node; + ts.isLogicalOperator = isLogicalOperator; + function isAssignmentOperator(token) { + return token >= 57 && token <= 69; } - ts.createPrefix = createPrefix; - function updatePrefix(node, operand) { - if (node.operand !== operand) { - return updateNode(createPrefix(node.operator, operand, node), node); + ts.isAssignmentOperator = isAssignmentOperator; + function tryGetClassExtendingExpressionWithTypeArguments(node) { + if (node.kind === 195 && + node.parent.token === 84 && + isClassLike(node.parent.parent)) { + return node.parent.parent; } - return node; - } - ts.updatePrefix = updatePrefix; - function createPostfix(operand, operator, location) { - var node = createNode(187, location); - node.operand = parenthesizePostfixOperand(operand); - node.operator = operator; - return node; } - ts.createPostfix = createPostfix; - function updatePostfix(node, operand) { - if (node.operand !== operand) { - return updateNode(createPostfix(operand, node.operator, node), node); + ts.tryGetClassExtendingExpressionWithTypeArguments = tryGetClassExtendingExpressionWithTypeArguments; + function isDestructuringAssignment(node) { + if (isBinaryExpression(node)) { + if (node.operatorToken.kind === 57) { + var kind = node.left.kind; + return kind === 172 + || kind === 171; + } } - return node; + return false; } - ts.updatePostfix = updatePostfix; - function createBinary(left, operator, right, location) { - var operatorToken = typeof operator === "number" ? createToken(operator) : operator; - var operatorKind = operatorToken.kind; - var node = createNode(188, location); - node.left = parenthesizeBinaryOperand(operatorKind, left, true, undefined); - node.operatorToken = operatorToken; - node.right = parenthesizeBinaryOperand(operatorKind, right, false, node.left); - return node; + ts.isDestructuringAssignment = isDestructuringAssignment; + function isSupportedExpressionWithTypeArguments(node) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); } - ts.createBinary = createBinary; - function updateBinary(node, left, right) { - if (node.left !== left || node.right !== right) { - return updateNode(createBinary(left, node.operatorToken, right, node), node); + ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; + function isSupportedExpressionWithTypeArgumentsRest(node) { + if (node.kind === 70) { + return true; } - return node; - } - ts.updateBinary = updateBinary; - function createConditional(condition, questionToken, whenTrue, colonToken, whenFalse, location) { - var node = createNode(189, location); - node.condition = condition; - node.questionToken = questionToken; - node.whenTrue = whenTrue; - node.colonToken = colonToken; - node.whenFalse = whenFalse; - return node; - } - ts.createConditional = createConditional; - function updateConditional(node, condition, whenTrue, whenFalse) { - if (node.condition !== condition || node.whenTrue !== whenTrue || node.whenFalse !== whenFalse) { - return updateNode(createConditional(condition, node.questionToken, whenTrue, node.colonToken, whenFalse, node), node); + else if (isPropertyAccessExpression(node)) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + else { + return false; } - return node; } - ts.updateConditional = updateConditional; - function createTemplateExpression(head, templateSpans, location) { - var node = createNode(190, location); - node.head = head; - node.templateSpans = createNodeArray(templateSpans); - return node; + function isExpressionWithTypeArgumentsInClassExtendsClause(node) { + return tryGetClassExtendingExpressionWithTypeArguments(node) !== undefined; } - ts.createTemplateExpression = createTemplateExpression; - function updateTemplateExpression(node, head, templateSpans) { - if (node.head !== head || node.templateSpans !== templateSpans) { - return updateNode(createTemplateExpression(head, templateSpans, node), node); - } - return node; + ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; + function isEntityNameExpression(node) { + return node.kind === 70 || + node.kind === 173 && isEntityNameExpression(node.expression); } - ts.updateTemplateExpression = updateTemplateExpression; - function createYield(asteriskToken, expression, location) { - var node = createNode(191, location); - node.asteriskToken = asteriskToken; - node.expression = expression; - return node; + ts.isEntityNameExpression = isEntityNameExpression; + function isRightSideOfQualifiedNameOrPropertyAccess(node) { + return (node.parent.kind === 140 && node.parent.right === node) || + (node.parent.kind === 173 && node.parent.name === node); } - ts.createYield = createYield; - function updateYield(node, expression) { - if (node.expression !== expression) { - return updateNode(createYield(node.asteriskToken, expression, node), node); + ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; + function isEmptyObjectLiteralOrArrayLiteral(expression) { + var kind = expression.kind; + if (kind === 172) { + return expression.properties.length === 0; } - return node; + if (kind === 171) { + return expression.elements.length === 0; + } + return false; } - ts.updateYield = updateYield; - function createSpread(expression, location) { - var node = createNode(192, location); - node.expression = parenthesizeExpressionForList(expression); - return node; + ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; + function getLocalSymbolForExportDefault(symbol) { + return symbol && symbol.valueDeclaration && hasModifier(symbol.valueDeclaration, 512) ? symbol.valueDeclaration.localSymbol : undefined; } - ts.createSpread = createSpread; - function updateSpread(node, expression) { - if (node.expression !== expression) { - return updateNode(createSpread(expression, node), node); + ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; + function tryExtractTypeScriptExtension(fileName) { + return ts.find(ts.supportedTypescriptExtensionsForExtractExtension, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + } + ts.tryExtractTypeScriptExtension = tryExtractTypeScriptExtension; + function getExpandedCharCodes(input) { + var output = []; + var length = input.length; + for (var i = 0; i < length; i++) { + var charCode = input.charCodeAt(i); + if (charCode < 0x80) { + output.push(charCode); + } + else if (charCode < 0x800) { + output.push((charCode >> 6) | 192); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x10000) { + output.push((charCode >> 12) | 224); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x20000) { + output.push((charCode >> 18) | 240); + output.push(((charCode >> 12) & 63) | 128); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else { + ts.Debug.assert(false, "Unexpected code point"); + } } - return node; + return output; } - ts.updateSpread = updateSpread; - function createClassExpression(modifiers, name, typeParameters, heritageClauses, members, location) { - var node = createNode(193, location); - node.decorators = undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.heritageClauses = createNodeArray(heritageClauses); - node.members = createNodeArray(members); - return node; + ts.stringify = typeof JSON !== "undefined" && JSON.stringify + ? JSON.stringify + : stringifyFallback; + function stringifyFallback(value) { + return value === undefined ? undefined : stringifyValue(value); } - ts.createClassExpression = createClassExpression; - function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) { - if (node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { - return updateNode(createClassExpression(modifiers, name, typeParameters, heritageClauses, members, node), node); - } - return node; + function stringifyValue(value) { + return typeof value === "string" ? "\"" + escapeString(value) + "\"" + : typeof value === "number" ? isFinite(value) ? String(value) : "null" + : typeof value === "boolean" ? value ? "true" : "false" + : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) + : "null"; } - ts.updateClassExpression = updateClassExpression; - function createOmittedExpression(location) { - var node = createNode(194, location); - return node; + function cycleCheck(cb, value) { + ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); + value.__cycle = true; + var result = cb(value); + delete value.__cycle; + return result; } - ts.createOmittedExpression = createOmittedExpression; - function createExpressionWithTypeArguments(typeArguments, expression, location) { - var node = createNode(195, location); - node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; - node.expression = parenthesizeForAccess(expression); - return node; + function stringifyArray(value) { + return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; } - ts.createExpressionWithTypeArguments = createExpressionWithTypeArguments; - function updateExpressionWithTypeArguments(node, typeArguments, expression) { - if (node.typeArguments !== typeArguments || node.expression !== expression) { - return updateNode(createExpressionWithTypeArguments(typeArguments, expression, node), node); - } - return node; + function stringifyElement(memo, value) { + return (memo ? memo + "," : memo) + stringifyValue(value); } - ts.updateExpressionWithTypeArguments = updateExpressionWithTypeArguments; - function createTemplateSpan(expression, literal, location) { - var node = createNode(198, location); - node.expression = expression; - node.literal = literal; - return node; + function stringifyObject(value) { + return "{" + ts.reduceOwnProperties(value, stringifyProperty, "") + "}"; } - ts.createTemplateSpan = createTemplateSpan; - function updateTemplateSpan(node, expression, literal) { - if (node.expression !== expression || node.literal !== literal) { - return updateNode(createTemplateSpan(expression, literal, node), node); - } - return node; + function stringifyProperty(memo, value, key) { + return value === undefined || typeof value === "function" || key === "__cycle" ? memo + : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); } - ts.updateTemplateSpan = updateTemplateSpan; - function createBlock(statements, location, multiLine, flags) { - var block = createNode(200, location, flags); - block.statements = createNodeArray(statements); - if (multiLine) { - block.multiLine = true; + var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + function convertToBase64(input) { + var result = ""; + var charCodes = getExpandedCharCodes(input); + var i = 0; + var length = charCodes.length; + var byte1, byte2, byte3, byte4; + while (i < length) { + byte1 = charCodes[i] >> 2; + byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; + byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; + byte4 = charCodes[i + 2] & 63; + if (i + 1 >= length) { + byte3 = byte4 = 64; + } + else if (i + 2 >= length) { + byte4 = 64; + } + result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); + i += 3; } - return block; + return result; } - ts.createBlock = createBlock; - function updateBlock(node, statements) { - if (statements !== node.statements) { - return updateNode(createBlock(statements, node, node.multiLine, node.flags), node); + ts.convertToBase64 = convertToBase64; + var carriageReturnLineFeed = "\r\n"; + var lineFeed = "\n"; + function getNewLineCharacter(options) { + if (options.newLine === 0) { + return carriageReturnLineFeed; } - return node; - } - ts.updateBlock = updateBlock; - function createVariableStatement(modifiers, declarationList, location, flags) { - var node = createNode(201, location, flags); - node.decorators = undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList; - return node; - } - ts.createVariableStatement = createVariableStatement; - function updateVariableStatement(node, modifiers, declarationList) { - if (node.modifiers !== modifiers || node.declarationList !== declarationList) { - return updateNode(createVariableStatement(modifiers, declarationList, node, node.flags), node); + else if (options.newLine === 1) { + return lineFeed; } - return node; + else if (ts.sys) { + return ts.sys.newLine; + } + return carriageReturnLineFeed; } - ts.updateVariableStatement = updateVariableStatement; - function createVariableDeclarationList(declarations, location, flags) { - var node = createNode(220, location, flags); - node.declarations = createNodeArray(declarations); - return node; + ts.getNewLineCharacter = getNewLineCharacter; + function isSimpleExpression(node) { + return isSimpleExpressionWorker(node, 0); } - ts.createVariableDeclarationList = createVariableDeclarationList; - function updateVariableDeclarationList(node, declarations) { - if (node.declarations !== declarations) { - return updateNode(createVariableDeclarationList(declarations, node, node.flags), node); + ts.isSimpleExpression = isSimpleExpression; + function isSimpleExpressionWorker(node, depth) { + if (depth <= 5) { + var kind = node.kind; + if (kind === 9 + || kind === 8 + || kind === 11 + || kind === 12 + || kind === 70 + || kind === 98 + || kind === 96 + || kind === 100 + || kind === 85 + || kind === 94) { + return true; + } + else if (kind === 173) { + return isSimpleExpressionWorker(node.expression, depth + 1); + } + else if (kind === 174) { + return isSimpleExpressionWorker(node.expression, depth + 1) + && isSimpleExpressionWorker(node.argumentExpression, depth + 1); + } + else if (kind === 186 + || kind === 187) { + return isSimpleExpressionWorker(node.operand, depth + 1); + } + else if (kind === 188) { + return node.operatorToken.kind !== 39 + && isSimpleExpressionWorker(node.left, depth + 1) + && isSimpleExpressionWorker(node.right, depth + 1); + } + else if (kind === 189) { + return isSimpleExpressionWorker(node.condition, depth + 1) + && isSimpleExpressionWorker(node.whenTrue, depth + 1) + && isSimpleExpressionWorker(node.whenFalse, depth + 1); + } + else if (kind === 184 + || kind === 183 + || kind === 182) { + return isSimpleExpressionWorker(node.expression, depth + 1); + } + else if (kind === 171) { + return node.elements.length === 0; + } + else if (kind === 172) { + return node.properties.length === 0; + } + else if (kind === 175) { + if (!isSimpleExpressionWorker(node.expression, depth + 1)) { + return false; + } + for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (!isSimpleExpressionWorker(argument, depth + 1)) { + return false; + } + } + return true; + } } - return node; - } - ts.updateVariableDeclarationList = updateVariableDeclarationList; - function createVariableDeclaration(name, type, initializer, location, flags) { - var node = createNode(219, location, flags); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.type = type; - node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; - return node; + return false; } - ts.createVariableDeclaration = createVariableDeclaration; - function updateVariableDeclaration(node, name, type, initializer) { - if (node.name !== name || node.type !== type || node.initializer !== initializer) { - return updateNode(createVariableDeclaration(name, type, initializer, node, node.flags), node); + var syntaxKindCache = ts.createMap(); + function formatSyntaxKind(kind) { + var syntaxKindEnum = ts.SyntaxKind; + if (syntaxKindEnum) { + if (syntaxKindCache[kind]) { + return syntaxKindCache[kind]; + } + for (var name_10 in syntaxKindEnum) { + if (syntaxKindEnum[name_10] === kind) { + return syntaxKindCache[kind] = kind.toString() + " (" + name_10 + ")"; + } + } + } + else { + return kind.toString(); } - return node; } - ts.updateVariableDeclaration = updateVariableDeclaration; - function createEmptyStatement(location) { - return createNode(202, location); + ts.formatSyntaxKind = formatSyntaxKind; + function movePos(pos, value) { + return ts.positionIsSynthesized(pos) ? -1 : pos + value; } - ts.createEmptyStatement = createEmptyStatement; - function createStatement(expression, location, flags) { - var node = createNode(203, location, flags); - node.expression = parenthesizeExpressionForExpressionStatement(expression); - return node; + ts.movePos = movePos; + function createRange(pos, end) { + return { pos: pos, end: end }; } - ts.createStatement = createStatement; - function updateStatement(node, expression) { - if (node.expression !== expression) { - return updateNode(createStatement(expression, node, node.flags), node); - } - return node; + ts.createRange = createRange; + function moveRangeEnd(range, end) { + return createRange(range.pos, end); } - ts.updateStatement = updateStatement; - function createIf(expression, thenStatement, elseStatement, location) { - var node = createNode(204, location); - node.expression = expression; - node.thenStatement = thenStatement; - node.elseStatement = elseStatement; - return node; + ts.moveRangeEnd = moveRangeEnd; + function moveRangePos(range, pos) { + return createRange(pos, range.end); } - ts.createIf = createIf; - function updateIf(node, expression, thenStatement, elseStatement) { - if (node.expression !== expression || node.thenStatement !== thenStatement || node.elseStatement !== elseStatement) { - return updateNode(createIf(expression, thenStatement, elseStatement, node), node); - } - return node; + ts.moveRangePos = moveRangePos; + function moveRangePastDecorators(node) { + return node.decorators && node.decorators.length > 0 + ? moveRangePos(node, node.decorators.end) + : node; } - ts.updateIf = updateIf; - function createDo(statement, expression, location) { - var node = createNode(205, location); - node.statement = statement; - node.expression = expression; - return node; + ts.moveRangePastDecorators = moveRangePastDecorators; + function moveRangePastModifiers(node) { + return node.modifiers && node.modifiers.length > 0 + ? moveRangePos(node, node.modifiers.end) + : moveRangePastDecorators(node); } - ts.createDo = createDo; - function updateDo(node, statement, expression) { - if (node.statement !== statement || node.expression !== expression) { - return updateNode(createDo(statement, expression, node), node); - } - return node; + ts.moveRangePastModifiers = moveRangePastModifiers; + function isCollapsedRange(range) { + return range.pos === range.end; } - ts.updateDo = updateDo; - function createWhile(expression, statement, location) { - var node = createNode(206, location); - node.expression = expression; - node.statement = statement; - return node; + ts.isCollapsedRange = isCollapsedRange; + function collapseRangeToStart(range) { + return isCollapsedRange(range) ? range : moveRangeEnd(range, range.pos); } - ts.createWhile = createWhile; - function updateWhile(node, expression, statement) { - if (node.expression !== expression || node.statement !== statement) { - return updateNode(createWhile(expression, statement, node), node); - } - return node; + ts.collapseRangeToStart = collapseRangeToStart; + function collapseRangeToEnd(range) { + return isCollapsedRange(range) ? range : moveRangePos(range, range.end); } - ts.updateWhile = updateWhile; - function createFor(initializer, condition, incrementor, statement, location) { - var node = createNode(207, location, undefined); - node.initializer = initializer; - node.condition = condition; - node.incrementor = incrementor; - node.statement = statement; - return node; + ts.collapseRangeToEnd = collapseRangeToEnd; + function createTokenRange(pos, token) { + return createRange(pos, pos + ts.tokenToString(token).length); } - ts.createFor = createFor; - function updateFor(node, initializer, condition, incrementor, statement) { - if (node.initializer !== initializer || node.condition !== condition || node.incrementor !== incrementor || node.statement !== statement) { - return updateNode(createFor(initializer, condition, incrementor, statement, node), node); - } - return node; + ts.createTokenRange = createTokenRange; + function rangeIsOnSingleLine(range, sourceFile) { + return rangeStartIsOnSameLineAsRangeEnd(range, range, sourceFile); } - ts.updateFor = updateFor; - function createForIn(initializer, expression, statement, location) { - var node = createNode(208, location); - node.initializer = initializer; - node.expression = expression; - node.statement = statement; - return node; + ts.rangeIsOnSingleLine = rangeIsOnSingleLine; + function rangeStartPositionsAreOnSameLine(range1, range2, sourceFile) { + return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), getStartPositionOfRange(range2, sourceFile), sourceFile); } - ts.createForIn = createForIn; - function updateForIn(node, initializer, expression, statement) { - if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { - return updateNode(createForIn(initializer, expression, statement, node), node); - } - return node; + ts.rangeStartPositionsAreOnSameLine = rangeStartPositionsAreOnSameLine; + function rangeEndPositionsAreOnSameLine(range1, range2, sourceFile) { + return positionsAreOnSameLine(range1.end, range2.end, sourceFile); } - ts.updateForIn = updateForIn; - function createForOf(initializer, expression, statement, location) { - var node = createNode(209, location); - node.initializer = initializer; - node.expression = expression; - node.statement = statement; - return node; + ts.rangeEndPositionsAreOnSameLine = rangeEndPositionsAreOnSameLine; + function rangeStartIsOnSameLineAsRangeEnd(range1, range2, sourceFile) { + return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), range2.end, sourceFile); } - ts.createForOf = createForOf; - function updateForOf(node, initializer, expression, statement) { - if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { - return updateNode(createForOf(initializer, expression, statement, node), node); - } - return node; + ts.rangeStartIsOnSameLineAsRangeEnd = rangeStartIsOnSameLineAsRangeEnd; + function rangeEndIsOnSameLineAsRangeStart(range1, range2, sourceFile) { + return positionsAreOnSameLine(range1.end, getStartPositionOfRange(range2, sourceFile), sourceFile); } - ts.updateForOf = updateForOf; - function createContinue(label, location) { - var node = createNode(210, location); - if (label) { - node.label = label; - } - return node; + ts.rangeEndIsOnSameLineAsRangeStart = rangeEndIsOnSameLineAsRangeStart; + function positionsAreOnSameLine(pos1, pos2, sourceFile) { + return pos1 === pos2 || + getLineOfLocalPosition(sourceFile, pos1) === getLineOfLocalPosition(sourceFile, pos2); } - ts.createContinue = createContinue; - function updateContinue(node, label) { - if (node.label !== label) { - return updateNode(createContinue(label, node), node); - } - return node; + ts.positionsAreOnSameLine = positionsAreOnSameLine; + function getStartPositionOfRange(range, sourceFile) { + return ts.positionIsSynthesized(range.pos) ? -1 : ts.skipTrivia(sourceFile.text, range.pos); } - ts.updateContinue = updateContinue; - function createBreak(label, location) { - var node = createNode(211, location); - if (label) { - node.label = label; + ts.getStartPositionOfRange = getStartPositionOfRange; + function collectExternalModuleInfo(sourceFile) { + var externalImports = []; + var exportSpecifiers = ts.createMap(); + var exportEquals = undefined; + var hasExportStarsToExportValues = false; + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var node = _a[_i]; + switch (node.kind) { + case 231: + externalImports.push(node); + break; + case 230: + if (node.moduleReference.kind === 241) { + externalImports.push(node); + } + break; + case 237: + if (node.moduleSpecifier) { + if (!node.exportClause) { + externalImports.push(node); + hasExportStarsToExportValues = true; + } + else { + externalImports.push(node); + } + } + else { + for (var _b = 0, _c = node.exportClause.elements; _b < _c.length; _b++) { + var specifier = _c[_b]; + var name_11 = (specifier.propertyName || specifier.name).text; + (exportSpecifiers[name_11] || (exportSpecifiers[name_11] = [])).push(specifier); + } + } + break; + case 236: + if (node.isExportEquals && !exportEquals) { + exportEquals = node; + } + break; + } } - return node; + return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues }; } - ts.createBreak = createBreak; - function updateBreak(node, label) { - if (node.label !== label) { - return updateNode(createBreak(label, node), node); - } - return node; + ts.collectExternalModuleInfo = collectExternalModuleInfo; + function getInitializedVariables(node) { + return ts.filter(node.declarations, isInitializedVariable); } - ts.updateBreak = updateBreak; - function createReturn(expression, location) { - var node = createNode(212, location); - node.expression = expression; - return node; + ts.getInitializedVariables = getInitializedVariables; + function isInitializedVariable(node) { + return node.initializer !== undefined; } - ts.createReturn = createReturn; - function updateReturn(node, expression) { - if (node.expression !== expression) { - return updateNode(createReturn(expression, node), node); + function isMergedWithClass(node) { + if (node.symbol) { + for (var _i = 0, _a = node.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 222 && declaration !== node) { + return true; + } + } } - return node; + return false; } - ts.updateReturn = updateReturn; - function createWith(expression, statement, location) { - var node = createNode(213, location); - node.expression = expression; - node.statement = statement; - return node; + ts.isMergedWithClass = isMergedWithClass; + function isFirstDeclarationOfKind(node, kind) { + return node.symbol && getDeclarationOfKind(node.symbol, kind) === node; } - ts.createWith = createWith; - function updateWith(node, expression, statement) { - if (node.expression !== expression || node.statement !== statement) { - return updateNode(createWith(expression, statement, node), node); - } - return node; + ts.isFirstDeclarationOfKind = isFirstDeclarationOfKind; + function isNodeArray(array) { + return array.hasOwnProperty("pos") + && array.hasOwnProperty("end"); } - ts.updateWith = updateWith; - function createSwitch(expression, caseBlock, location) { - var node = createNode(214, location); - node.expression = parenthesizeExpressionForList(expression); - node.caseBlock = caseBlock; - return node; + ts.isNodeArray = isNodeArray; + function isNoSubstitutionTemplateLiteral(node) { + return node.kind === 12; } - ts.createSwitch = createSwitch; - function updateSwitch(node, expression, caseBlock) { - if (node.expression !== expression || node.caseBlock !== caseBlock) { - return updateNode(createSwitch(expression, caseBlock, node), node); - } - return node; + ts.isNoSubstitutionTemplateLiteral = isNoSubstitutionTemplateLiteral; + function isLiteralKind(kind) { + return 8 <= kind && kind <= 12; } - ts.updateSwitch = updateSwitch; - function createLabel(label, statement, location) { - var node = createNode(215, location); - node.label = typeof label === "string" ? createIdentifier(label) : label; - node.statement = statement; - return node; + ts.isLiteralKind = isLiteralKind; + function isTextualLiteralKind(kind) { + return kind === 9 || kind === 12; } - ts.createLabel = createLabel; - function updateLabel(node, label, statement) { - if (node.label !== label || node.statement !== statement) { - return updateNode(createLabel(label, statement, node), node); - } - return node; + ts.isTextualLiteralKind = isTextualLiteralKind; + function isLiteralExpression(node) { + return isLiteralKind(node.kind); } - ts.updateLabel = updateLabel; - function createThrow(expression, location) { - var node = createNode(216, location); - node.expression = expression; - return node; + ts.isLiteralExpression = isLiteralExpression; + function isTemplateLiteralKind(kind) { + return 12 <= kind && kind <= 15; } - ts.createThrow = createThrow; - function updateThrow(node, expression) { - if (node.expression !== expression) { - return updateNode(createThrow(expression, node), node); - } - return node; + ts.isTemplateLiteralKind = isTemplateLiteralKind; + function isTemplateHead(node) { + return node.kind === 13; } - ts.updateThrow = updateThrow; - function createTry(tryBlock, catchClause, finallyBlock, location) { - var node = createNode(217, location); - node.tryBlock = tryBlock; - node.catchClause = catchClause; - node.finallyBlock = finallyBlock; - return node; + ts.isTemplateHead = isTemplateHead; + function isTemplateMiddleOrTemplateTail(node) { + var kind = node.kind; + return kind === 14 + || kind === 15; } - ts.createTry = createTry; - function updateTry(node, tryBlock, catchClause, finallyBlock) { - if (node.tryBlock !== tryBlock || node.catchClause !== catchClause || node.finallyBlock !== finallyBlock) { - return updateNode(createTry(tryBlock, catchClause, finallyBlock, node), node); - } - return node; + ts.isTemplateMiddleOrTemplateTail = isTemplateMiddleOrTemplateTail; + function isIdentifier(node) { + return node.kind === 70; } - ts.updateTry = updateTry; - function createCaseBlock(clauses, location) { - var node = createNode(228, location); - node.clauses = createNodeArray(clauses); - return node; + ts.isIdentifier = isIdentifier; + function isGeneratedIdentifier(node) { + return isIdentifier(node) && node.autoGenerateKind > 0; } - ts.createCaseBlock = createCaseBlock; - function updateCaseBlock(node, clauses) { - if (node.clauses !== clauses) { - return updateNode(createCaseBlock(clauses, node), node); - } - return node; + ts.isGeneratedIdentifier = isGeneratedIdentifier; + function isModifier(node) { + return isModifierKind(node.kind); } - ts.updateCaseBlock = updateCaseBlock; - function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { - var node = createNode(221, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.asteriskToken = asteriskToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; - } - ts.createFunctionDeclaration = createFunctionDeclaration; - function updateFunctionDeclaration(node, decorators, modifiers, name, typeParameters, parameters, type, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createFunctionDeclaration(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); - } - return node; + ts.isModifier = isModifier; + function isQualifiedName(node) { + return node.kind === 140; } - ts.updateFunctionDeclaration = updateFunctionDeclaration; - function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, location) { - var node = createNode(222, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.heritageClauses = createNodeArray(heritageClauses); - node.members = createNodeArray(members); - return node; + ts.isQualifiedName = isQualifiedName; + function isComputedPropertyName(node) { + return node.kind === 141; } - ts.createClassDeclaration = createClassDeclaration; - function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { - return updateNode(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, node), node); - } - return node; + ts.isComputedPropertyName = isComputedPropertyName; + function isEntityName(node) { + var kind = node.kind; + return kind === 140 + || kind === 70; } - ts.updateClassDeclaration = updateClassDeclaration; - function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, location) { - var node = createNode(231, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.importClause = importClause; - node.moduleSpecifier = moduleSpecifier; - return node; + ts.isEntityName = isEntityName; + function isPropertyName(node) { + var kind = node.kind; + return kind === 70 + || kind === 9 + || kind === 8 + || kind === 141; } - ts.createImportDeclaration = createImportDeclaration; - function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.importClause !== importClause || node.moduleSpecifier !== moduleSpecifier) { - return updateNode(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, node), node); - } - return node; + ts.isPropertyName = isPropertyName; + function isModuleName(node) { + var kind = node.kind; + return kind === 70 + || kind === 9; } - ts.updateImportDeclaration = updateImportDeclaration; - function createImportClause(name, namedBindings, location) { - var node = createNode(232, location); - node.name = name; - node.namedBindings = namedBindings; - return node; + ts.isModuleName = isModuleName; + function isBindingName(node) { + var kind = node.kind; + return kind === 70 + || kind === 168 + || kind === 169; } - ts.createImportClause = createImportClause; - function updateImportClause(node, name, namedBindings) { - if (node.name !== name || node.namedBindings !== namedBindings) { - return updateNode(createImportClause(name, namedBindings, node), node); - } - return node; + ts.isBindingName = isBindingName; + function isTypeParameter(node) { + return node.kind === 142; } - ts.updateImportClause = updateImportClause; - function createNamespaceImport(name, location) { - var node = createNode(233, location); - node.name = name; - return node; + ts.isTypeParameter = isTypeParameter; + function isParameter(node) { + return node.kind === 143; } - ts.createNamespaceImport = createNamespaceImport; - function updateNamespaceImport(node, name) { - if (node.name !== name) { - return updateNode(createNamespaceImport(name, node), node); - } - return node; + ts.isParameter = isParameter; + function isDecorator(node) { + return node.kind === 144; } - ts.updateNamespaceImport = updateNamespaceImport; - function createNamedImports(elements, location) { - var node = createNode(234, location); - node.elements = createNodeArray(elements); - return node; + ts.isDecorator = isDecorator; + function isMethodDeclaration(node) { + return node.kind === 148; } - ts.createNamedImports = createNamedImports; - function updateNamedImports(node, elements) { - if (node.elements !== elements) { - return updateNode(createNamedImports(elements, node), node); - } - return node; + ts.isMethodDeclaration = isMethodDeclaration; + function isClassElement(node) { + var kind = node.kind; + return kind === 149 + || kind === 146 + || kind === 148 + || kind === 150 + || kind === 151 + || kind === 154 + || kind === 199; } - ts.updateNamedImports = updateNamedImports; - function createImportSpecifier(propertyName, name, location) { - var node = createNode(235, location); - node.propertyName = propertyName; - node.name = name; - return node; + ts.isClassElement = isClassElement; + function isObjectLiteralElementLike(node) { + var kind = node.kind; + return kind === 253 + || kind === 254 + || kind === 148 + || kind === 150 + || kind === 151 + || kind === 240; } - ts.createImportSpecifier = createImportSpecifier; - function updateImportSpecifier(node, propertyName, name) { - if (node.propertyName !== propertyName || node.name !== name) { - return updateNode(createImportSpecifier(propertyName, name, node), node); - } - return node; + ts.isObjectLiteralElementLike = isObjectLiteralElementLike; + function isTypeNodeKind(kind) { + return (kind >= 155 && kind <= 167) + || kind === 118 + || kind === 131 + || kind === 121 + || kind === 133 + || kind === 134 + || kind === 104 + || kind === 128 + || kind === 195; } - ts.updateImportSpecifier = updateImportSpecifier; - function createExportAssignment(decorators, modifiers, isExportEquals, expression, location) { - var node = createNode(236, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.isExportEquals = isExportEquals; - node.expression = expression; - return node; + function isTypeNode(node) { + return isTypeNodeKind(node.kind); } - ts.createExportAssignment = createExportAssignment; - function updateExportAssignment(node, decorators, modifiers, expression) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.expression !== expression) { - return updateNode(createExportAssignment(decorators, modifiers, node.isExportEquals, expression, node), node); + ts.isTypeNode = isTypeNode; + function isBindingPattern(node) { + if (node) { + var kind = node.kind; + return kind === 169 + || kind === 168; } - return node; + return false; } - ts.updateExportAssignment = updateExportAssignment; - function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, location) { - var node = createNode(237, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.exportClause = exportClause; - node.moduleSpecifier = moduleSpecifier; - return node; + ts.isBindingPattern = isBindingPattern; + function isBindingElement(node) { + return node.kind === 170; } - ts.createExportDeclaration = createExportDeclaration; - function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.exportClause !== exportClause || node.moduleSpecifier !== moduleSpecifier) { - return updateNode(createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, node), node); - } - return node; + ts.isBindingElement = isBindingElement; + function isArrayBindingElement(node) { + var kind = node.kind; + return kind === 170 + || kind === 194; } - ts.updateExportDeclaration = updateExportDeclaration; - function createNamedExports(elements, location) { - var node = createNode(238, location); - node.elements = createNodeArray(elements); - return node; + ts.isArrayBindingElement = isArrayBindingElement; + function isPropertyAccessExpression(node) { + return node.kind === 173; } - ts.createNamedExports = createNamedExports; - function updateNamedExports(node, elements) { - if (node.elements !== elements) { - return updateNode(createNamedExports(elements, node), node); - } - return node; + ts.isPropertyAccessExpression = isPropertyAccessExpression; + function isElementAccessExpression(node) { + return node.kind === 174; } - ts.updateNamedExports = updateNamedExports; - function createExportSpecifier(name, propertyName, location) { - var node = createNode(239, location); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; - return node; + ts.isElementAccessExpression = isElementAccessExpression; + function isBinaryExpression(node) { + return node.kind === 188; } - ts.createExportSpecifier = createExportSpecifier; - function updateExportSpecifier(node, name, propertyName) { - if (node.name !== name || node.propertyName !== propertyName) { - return updateNode(createExportSpecifier(name, propertyName, node), node); - } - return node; + ts.isBinaryExpression = isBinaryExpression; + function isConditionalExpression(node) { + return node.kind === 189; } - ts.updateExportSpecifier = updateExportSpecifier; - function createJsxElement(openingElement, children, closingElement, location) { - var node = createNode(242, location); - node.openingElement = openingElement; - node.children = createNodeArray(children); - node.closingElement = closingElement; - return node; + ts.isConditionalExpression = isConditionalExpression; + function isCallExpression(node) { + return node.kind === 175; } - ts.createJsxElement = createJsxElement; - function updateJsxElement(node, openingElement, children, closingElement) { - if (node.openingElement !== openingElement || node.children !== children || node.closingElement !== closingElement) { - return updateNode(createJsxElement(openingElement, children, closingElement, node), node); - } - return node; + ts.isCallExpression = isCallExpression; + function isTemplateLiteral(node) { + var kind = node.kind; + return kind === 190 + || kind === 12; } - ts.updateJsxElement = updateJsxElement; - function createJsxSelfClosingElement(tagName, attributes, location) { - var node = createNode(243, location); - node.tagName = tagName; - node.attributes = createNodeArray(attributes); - return node; + ts.isTemplateLiteral = isTemplateLiteral; + function isSpreadElementExpression(node) { + return node.kind === 192; } - ts.createJsxSelfClosingElement = createJsxSelfClosingElement; - function updateJsxSelfClosingElement(node, tagName, attributes) { - if (node.tagName !== tagName || node.attributes !== attributes) { - return updateNode(createJsxSelfClosingElement(tagName, attributes, node), node); - } - return node; + ts.isSpreadElementExpression = isSpreadElementExpression; + function isExpressionWithTypeArguments(node) { + return node.kind === 195; } - ts.updateJsxSelfClosingElement = updateJsxSelfClosingElement; - function createJsxOpeningElement(tagName, attributes, location) { - var node = createNode(244, location); - node.tagName = tagName; - node.attributes = createNodeArray(attributes); - return node; + ts.isExpressionWithTypeArguments = isExpressionWithTypeArguments; + function isLeftHandSideExpressionKind(kind) { + return kind === 173 + || kind === 174 + || kind === 176 + || kind === 175 + || kind === 242 + || kind === 243 + || kind === 177 + || kind === 171 + || kind === 179 + || kind === 172 + || kind === 193 + || kind === 180 + || kind === 70 + || kind === 11 + || kind === 8 + || kind === 9 + || kind === 12 + || kind === 190 + || kind === 85 + || kind === 94 + || kind === 98 + || kind === 100 + || kind === 96 + || kind === 197; } - ts.createJsxOpeningElement = createJsxOpeningElement; - function updateJsxOpeningElement(node, tagName, attributes) { - if (node.tagName !== tagName || node.attributes !== attributes) { - return updateNode(createJsxOpeningElement(tagName, attributes, node), node); - } - return node; + function isLeftHandSideExpression(node) { + return isLeftHandSideExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); } - ts.updateJsxOpeningElement = updateJsxOpeningElement; - function createJsxClosingElement(tagName, location) { - var node = createNode(245, location); - node.tagName = tagName; - return node; + ts.isLeftHandSideExpression = isLeftHandSideExpression; + function isUnaryExpressionKind(kind) { + return kind === 186 + || kind === 187 + || kind === 182 + || kind === 183 + || kind === 184 + || kind === 185 + || kind === 178 + || isLeftHandSideExpressionKind(kind); } - ts.createJsxClosingElement = createJsxClosingElement; - function updateJsxClosingElement(node, tagName) { - if (node.tagName !== tagName) { - return updateNode(createJsxClosingElement(tagName, node), node); - } - return node; + function isUnaryExpression(node) { + return isUnaryExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); } - ts.updateJsxClosingElement = updateJsxClosingElement; - function createJsxAttribute(name, initializer, location) { - var node = createNode(246, location); - node.name = name; - node.initializer = initializer; - return node; + ts.isUnaryExpression = isUnaryExpression; + function isExpressionKind(kind) { + return kind === 189 + || kind === 191 + || kind === 181 + || kind === 188 + || kind === 192 + || kind === 196 + || kind === 194 + || isUnaryExpressionKind(kind); } - ts.createJsxAttribute = createJsxAttribute; - function updateJsxAttribute(node, name, initializer) { - if (node.name !== name || node.initializer !== initializer) { - return updateNode(createJsxAttribute(name, initializer, node), node); - } - return node; + function isExpression(node) { + return isExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); } - ts.updateJsxAttribute = updateJsxAttribute; - function createJsxSpreadAttribute(expression, location) { - var node = createNode(247, location); - node.expression = expression; - return node; + ts.isExpression = isExpression; + function isAssertionExpression(node) { + var kind = node.kind; + return kind === 178 + || kind === 196; } - ts.createJsxSpreadAttribute = createJsxSpreadAttribute; - function updateJsxSpreadAttribute(node, expression) { - if (node.expression !== expression) { - return updateNode(createJsxSpreadAttribute(expression, node), node); - } - return node; + ts.isAssertionExpression = isAssertionExpression; + function isPartiallyEmittedExpression(node) { + return node.kind === 288; } - ts.updateJsxSpreadAttribute = updateJsxSpreadAttribute; - function createJsxExpression(expression, location) { - var node = createNode(248, location); - node.expression = expression; - return node; + ts.isPartiallyEmittedExpression = isPartiallyEmittedExpression; + function isNotEmittedStatement(node) { + return node.kind === 287; } - ts.createJsxExpression = createJsxExpression; - function updateJsxExpression(node, expression) { - if (node.expression !== expression) { - return updateNode(createJsxExpression(expression, node), node); - } - return node; + ts.isNotEmittedStatement = isNotEmittedStatement; + function isNotEmittedOrPartiallyEmittedNode(node) { + return isNotEmittedStatement(node) + || isPartiallyEmittedExpression(node); } - ts.updateJsxExpression = updateJsxExpression; - function createHeritageClause(token, types, location) { - var node = createNode(251, location); - node.token = token; - node.types = createNodeArray(types); - return node; + ts.isNotEmittedOrPartiallyEmittedNode = isNotEmittedOrPartiallyEmittedNode; + function isOmittedExpression(node) { + return node.kind === 194; } - ts.createHeritageClause = createHeritageClause; - function updateHeritageClause(node, types) { - if (node.types !== types) { - return updateNode(createHeritageClause(node.token, types, node), node); - } - return node; + ts.isOmittedExpression = isOmittedExpression; + function isTemplateSpan(node) { + return node.kind === 198; } - ts.updateHeritageClause = updateHeritageClause; - function createCaseClause(expression, statements, location) { - var node = createNode(249, location); - node.expression = parenthesizeExpressionForList(expression); - node.statements = createNodeArray(statements); - return node; + ts.isTemplateSpan = isTemplateSpan; + function isBlock(node) { + return node.kind === 200; } - ts.createCaseClause = createCaseClause; - function updateCaseClause(node, expression, statements) { - if (node.expression !== expression || node.statements !== statements) { - return updateNode(createCaseClause(expression, statements, node), node); - } - return node; + ts.isBlock = isBlock; + function isConciseBody(node) { + return isBlock(node) + || isExpression(node); } - ts.updateCaseClause = updateCaseClause; - function createDefaultClause(statements, location) { - var node = createNode(250, location); - node.statements = createNodeArray(statements); - return node; + ts.isConciseBody = isConciseBody; + function isFunctionBody(node) { + return isBlock(node); } - ts.createDefaultClause = createDefaultClause; - function updateDefaultClause(node, statements) { - if (node.statements !== statements) { - return updateNode(createDefaultClause(statements, node), node); - } - return node; + ts.isFunctionBody = isFunctionBody; + function isForInitializer(node) { + return isVariableDeclarationList(node) + || isExpression(node); } - ts.updateDefaultClause = updateDefaultClause; - function createCatchClause(variableDeclaration, block, location) { - var node = createNode(252, location); - node.variableDeclaration = typeof variableDeclaration === "string" ? createVariableDeclaration(variableDeclaration) : variableDeclaration; - node.block = block; - return node; + ts.isForInitializer = isForInitializer; + function isVariableDeclaration(node) { + return node.kind === 219; } - ts.createCatchClause = createCatchClause; - function updateCatchClause(node, variableDeclaration, block) { - if (node.variableDeclaration !== variableDeclaration || node.block !== block) { - return updateNode(createCatchClause(variableDeclaration, block, node), node); - } - return node; + ts.isVariableDeclaration = isVariableDeclaration; + function isVariableDeclarationList(node) { + return node.kind === 220; } - ts.updateCatchClause = updateCatchClause; - function createPropertyAssignment(name, initializer, location) { - var node = createNode(253, location); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.questionToken = undefined; - node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; - return node; + ts.isVariableDeclarationList = isVariableDeclarationList; + function isCaseBlock(node) { + return node.kind === 228; } - ts.createPropertyAssignment = createPropertyAssignment; - function updatePropertyAssignment(node, name, initializer) { - if (node.name !== name || node.initializer !== initializer) { - return updateNode(createPropertyAssignment(name, initializer, node), node); - } - return node; + ts.isCaseBlock = isCaseBlock; + function isModuleBody(node) { + var kind = node.kind; + return kind === 227 + || kind === 226; } - ts.updatePropertyAssignment = updatePropertyAssignment; - function createShorthandPropertyAssignment(name, objectAssignmentInitializer, location) { - var node = createNode(254, location); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.objectAssignmentInitializer = objectAssignmentInitializer !== undefined ? parenthesizeExpressionForList(objectAssignmentInitializer) : undefined; - return node; + ts.isModuleBody = isModuleBody; + function isImportEqualsDeclaration(node) { + return node.kind === 230; } - ts.createShorthandPropertyAssignment = createShorthandPropertyAssignment; - function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) { - if (node.name !== name || node.objectAssignmentInitializer !== objectAssignmentInitializer) { - return updateNode(createShorthandPropertyAssignment(name, objectAssignmentInitializer, node), node); - } - return node; + ts.isImportEqualsDeclaration = isImportEqualsDeclaration; + function isImportClause(node) { + return node.kind === 232; } - ts.updateShorthandPropertyAssignment = updateShorthandPropertyAssignment; - function updateSourceFileNode(node, statements) { - if (node.statements !== statements) { - var updated = createNode(256, node, node.flags); - updated.statements = createNodeArray(statements); - updated.endOfFileToken = node.endOfFileToken; - updated.fileName = node.fileName; - updated.path = node.path; - updated.text = node.text; - if (node.amdDependencies !== undefined) - updated.amdDependencies = node.amdDependencies; - if (node.moduleName !== undefined) - updated.moduleName = node.moduleName; - if (node.referencedFiles !== undefined) - updated.referencedFiles = node.referencedFiles; - if (node.typeReferenceDirectives !== undefined) - updated.typeReferenceDirectives = node.typeReferenceDirectives; - if (node.languageVariant !== undefined) - updated.languageVariant = node.languageVariant; - if (node.isDeclarationFile !== undefined) - updated.isDeclarationFile = node.isDeclarationFile; - if (node.renamedDependencies !== undefined) - updated.renamedDependencies = node.renamedDependencies; - if (node.hasNoDefaultLib !== undefined) - updated.hasNoDefaultLib = node.hasNoDefaultLib; - if (node.languageVersion !== undefined) - updated.languageVersion = node.languageVersion; - if (node.scriptKind !== undefined) - updated.scriptKind = node.scriptKind; - if (node.externalModuleIndicator !== undefined) - updated.externalModuleIndicator = node.externalModuleIndicator; - if (node.commonJsModuleIndicator !== undefined) - updated.commonJsModuleIndicator = node.commonJsModuleIndicator; - if (node.identifiers !== undefined) - updated.identifiers = node.identifiers; - if (node.nodeCount !== undefined) - updated.nodeCount = node.nodeCount; - if (node.identifierCount !== undefined) - updated.identifierCount = node.identifierCount; - if (node.symbolCount !== undefined) - updated.symbolCount = node.symbolCount; - if (node.parseDiagnostics !== undefined) - updated.parseDiagnostics = node.parseDiagnostics; - if (node.bindDiagnostics !== undefined) - updated.bindDiagnostics = node.bindDiagnostics; - if (node.lineMap !== undefined) - updated.lineMap = node.lineMap; - if (node.classifiableNames !== undefined) - updated.classifiableNames = node.classifiableNames; - if (node.resolvedModules !== undefined) - updated.resolvedModules = node.resolvedModules; - if (node.resolvedTypeReferenceDirectiveNames !== undefined) - updated.resolvedTypeReferenceDirectiveNames = node.resolvedTypeReferenceDirectiveNames; - if (node.imports !== undefined) - updated.imports = node.imports; - if (node.moduleAugmentations !== undefined) - updated.moduleAugmentations = node.moduleAugmentations; - if (node.externalHelpersModuleName !== undefined) - updated.externalHelpersModuleName = node.externalHelpersModuleName; - return updateNode(updated, node); - } - return node; + ts.isImportClause = isImportClause; + function isNamedImportBindings(node) { + var kind = node.kind; + return kind === 234 + || kind === 233; } - ts.updateSourceFileNode = updateSourceFileNode; - function createNotEmittedStatement(original) { - var node = createNode(287, original); - node.original = original; - return node; + ts.isNamedImportBindings = isNamedImportBindings; + function isImportSpecifier(node) { + return node.kind === 235; } - ts.createNotEmittedStatement = createNotEmittedStatement; - function createPartiallyEmittedExpression(expression, original, location) { - var node = createNode(288, location || original); - node.expression = expression; - node.original = original; - return node; + ts.isImportSpecifier = isImportSpecifier; + function isNamedExports(node) { + return node.kind === 238; } - ts.createPartiallyEmittedExpression = createPartiallyEmittedExpression; - function updatePartiallyEmittedExpression(node, expression) { - if (node.expression !== expression) { - return updateNode(createPartiallyEmittedExpression(expression, node.original, node), node); - } - return node; + ts.isNamedExports = isNamedExports; + function isExportSpecifier(node) { + return node.kind === 239; } - ts.updatePartiallyEmittedExpression = updatePartiallyEmittedExpression; - function createComma(left, right) { - return createBinary(left, 25, right); + ts.isExportSpecifier = isExportSpecifier; + function isModuleOrEnumDeclaration(node) { + return node.kind === 226 || node.kind === 225; } - ts.createComma = createComma; - function createLessThan(left, right, location) { - return createBinary(left, 26, right, location); + ts.isModuleOrEnumDeclaration = isModuleOrEnumDeclaration; + function isDeclarationKind(kind) { + return kind === 181 + || kind === 170 + || kind === 222 + || kind === 193 + || kind === 149 + || kind === 225 + || kind === 255 + || kind === 239 + || kind === 221 + || kind === 180 + || kind === 150 + || kind === 232 + || kind === 230 + || kind === 235 + || kind === 223 + || kind === 148 + || kind === 147 + || kind === 226 + || kind === 229 + || kind === 233 + || kind === 143 + || kind === 253 + || kind === 146 + || kind === 145 + || kind === 151 + || kind === 254 + || kind === 224 + || kind === 142 + || kind === 219 + || kind === 279; } - ts.createLessThan = createLessThan; - function createAssignment(left, right, location) { - return createBinary(left, 57, right, location); + function isDeclarationStatementKind(kind) { + return kind === 221 + || kind === 240 + || kind === 222 + || kind === 223 + || kind === 224 + || kind === 225 + || kind === 226 + || kind === 231 + || kind === 230 + || kind === 237 + || kind === 236 + || kind === 229; } - ts.createAssignment = createAssignment; - function createStrictEquality(left, right) { - return createBinary(left, 33, right); + function isStatementKindButNotDeclarationKind(kind) { + return kind === 211 + || kind === 210 + || kind === 218 + || kind === 205 + || kind === 203 + || kind === 202 + || kind === 208 + || kind === 209 + || kind === 207 + || kind === 204 + || kind === 215 + || kind === 212 + || kind === 214 + || kind === 216 + || kind === 217 + || kind === 201 + || kind === 206 + || kind === 213 + || kind === 287; } - ts.createStrictEquality = createStrictEquality; - function createStrictInequality(left, right) { - return createBinary(left, 34, right); + function isDeclaration(node) { + return isDeclarationKind(node.kind); } - ts.createStrictInequality = createStrictInequality; - function createAdd(left, right) { - return createBinary(left, 36, right); + ts.isDeclaration = isDeclaration; + function isDeclarationStatement(node) { + return isDeclarationStatementKind(node.kind); } - ts.createAdd = createAdd; - function createSubtract(left, right) { - return createBinary(left, 37, right); + ts.isDeclarationStatement = isDeclarationStatement; + function isStatementButNotDeclaration(node) { + return isStatementKindButNotDeclarationKind(node.kind); } - ts.createSubtract = createSubtract; - function createPostfixIncrement(operand, location) { - return createPostfix(operand, 42, location); + ts.isStatementButNotDeclaration = isStatementButNotDeclaration; + function isStatement(node) { + var kind = node.kind; + return isStatementKindButNotDeclarationKind(kind) + || isDeclarationStatementKind(kind) + || kind === 200; } - ts.createPostfixIncrement = createPostfixIncrement; - function createLogicalAnd(left, right) { - return createBinary(left, 52, right); + ts.isStatement = isStatement; + function isModuleReference(node) { + var kind = node.kind; + return kind === 241 + || kind === 140 + || kind === 70; } - ts.createLogicalAnd = createLogicalAnd; - function createLogicalOr(left, right) { - return createBinary(left, 53, right); + ts.isModuleReference = isModuleReference; + function isJsxOpeningElement(node) { + return node.kind === 244; } - ts.createLogicalOr = createLogicalOr; - function createLogicalNot(operand) { - return createPrefix(50, operand); + ts.isJsxOpeningElement = isJsxOpeningElement; + function isJsxClosingElement(node) { + return node.kind === 245; } - ts.createLogicalNot = createLogicalNot; - function createVoidZero() { - return createVoid(createLiteral(0)); + ts.isJsxClosingElement = isJsxClosingElement; + function isJsxTagNameExpression(node) { + var kind = node.kind; + return kind === 98 + || kind === 70 + || kind === 173; } - ts.createVoidZero = createVoidZero; - function createMemberAccessForPropertyName(target, memberName, location) { - if (ts.isComputedPropertyName(memberName)) { - return createElementAccess(target, memberName.expression, location); - } - else { - var expression = ts.isIdentifier(memberName) ? createPropertyAccess(target, memberName, location) : createElementAccess(target, memberName, location); - (expression.emitNode || (expression.emitNode = {})).flags |= 2048; - return expression; - } + ts.isJsxTagNameExpression = isJsxTagNameExpression; + function isJsxChild(node) { + var kind = node.kind; + return kind === 242 + || kind === 248 + || kind === 243 + || kind === 10; } - ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName; - function createRestParameter(name) { - return createParameterDeclaration(undefined, undefined, createToken(23), name, undefined, undefined, undefined); + ts.isJsxChild = isJsxChild; + function isJsxAttributeLike(node) { + var kind = node.kind; + return kind === 246 + || kind === 247; } - ts.createRestParameter = createRestParameter; - function createFunctionCall(func, thisArg, argumentsList, location) { - return createCall(createPropertyAccess(func, "call"), undefined, [ - thisArg - ].concat(argumentsList), location); + ts.isJsxAttributeLike = isJsxAttributeLike; + function isJsxSpreadAttribute(node) { + return node.kind === 247; } - ts.createFunctionCall = createFunctionCall; - function createFunctionApply(func, thisArg, argumentsExpression, location) { - return createCall(createPropertyAccess(func, "apply"), undefined, [ - thisArg, - argumentsExpression - ], location); + ts.isJsxSpreadAttribute = isJsxSpreadAttribute; + function isJsxAttribute(node) { + return node.kind === 246; } - ts.createFunctionApply = createFunctionApply; - function createArraySlice(array, start) { - var argumentsList = []; - if (start !== undefined) { - argumentsList.push(typeof start === "number" ? createLiteral(start) : start); - } - return createCall(createPropertyAccess(array, "slice"), undefined, argumentsList); + ts.isJsxAttribute = isJsxAttribute; + function isStringLiteralOrJsxExpression(node) { + var kind = node.kind; + return kind === 9 + || kind === 248; } - ts.createArraySlice = createArraySlice; - function createArrayConcat(array, values) { - return createCall(createPropertyAccess(array, "concat"), undefined, values); + ts.isStringLiteralOrJsxExpression = isStringLiteralOrJsxExpression; + function isCaseOrDefaultClause(node) { + var kind = node.kind; + return kind === 249 + || kind === 250; } - ts.createArrayConcat = createArrayConcat; - function createMathPow(left, right, location) { - return createCall(createPropertyAccess(createIdentifier("Math"), "pow"), undefined, [left, right], location); + ts.isCaseOrDefaultClause = isCaseOrDefaultClause; + function isHeritageClause(node) { + return node.kind === 251; } - ts.createMathPow = createMathPow; - function createReactNamespace(reactNamespace, parent) { - var react = createIdentifier(reactNamespace || "React"); - react.flags &= ~8; - react.parent = parent; - return react; + ts.isHeritageClause = isHeritageClause; + function isCatchClause(node) { + return node.kind === 252; } - function createReactCreateElement(reactNamespace, tagName, props, children, parentElement, location) { - var argumentsList = [tagName]; - if (props) { - argumentsList.push(props); - } - if (children && children.length > 0) { - if (!props) { - argumentsList.push(createNull()); - } - if (children.length > 1) { - for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { - var child = children_1[_i]; - child.startsOnNewLine = true; - argumentsList.push(child); - } - } - else { - argumentsList.push(children[0]); - } - } - return createCall(createPropertyAccess(createReactNamespace(reactNamespace, parentElement), "createElement"), undefined, argumentsList, location); + ts.isCatchClause = isCatchClause; + function isPropertyAssignment(node) { + return node.kind === 253; } - ts.createReactCreateElement = createReactCreateElement; - function createLetDeclarationList(declarations, location) { - return createVariableDeclarationList(declarations, location, 1); + ts.isPropertyAssignment = isPropertyAssignment; + function isShorthandPropertyAssignment(node) { + return node.kind === 254; } - ts.createLetDeclarationList = createLetDeclarationList; - function createConstDeclarationList(declarations, location) { - return createVariableDeclarationList(declarations, location, 2); + ts.isShorthandPropertyAssignment = isShorthandPropertyAssignment; + function isEnumMember(node) { + return node.kind === 255; } - ts.createConstDeclarationList = createConstDeclarationList; - function createHelperName(externalHelpersModuleName, name) { - return externalHelpersModuleName - ? createPropertyAccess(externalHelpersModuleName, name) - : createIdentifier(name); + ts.isEnumMember = isEnumMember; + function isSourceFile(node) { + return node.kind === 256; } - ts.createHelperName = createHelperName; - function createExtendsHelper(externalHelpersModuleName, name) { - return createCall(createHelperName(externalHelpersModuleName, "__extends"), undefined, [ - name, - createIdentifier("_super") - ]); + ts.isSourceFile = isSourceFile; + function isWatchSet(options) { + return options.watch && options.hasOwnProperty("watch"); } - ts.createExtendsHelper = createExtendsHelper; - function createAssignHelper(externalHelpersModuleName, attributesSegments) { - return createCall(createHelperName(externalHelpersModuleName, "__assign"), undefined, attributesSegments); + ts.isWatchSet = isWatchSet; +})(ts || (ts = {})); +(function (ts) { + function getDefaultLibFileName(options) { + switch (options.target) { + case 4: + return "lib.es2017.d.ts"; + case 3: + return "lib.es2016.d.ts"; + case 2: + return "lib.es6.d.ts"; + default: + return "lib.d.ts"; + } } - ts.createAssignHelper = createAssignHelper; - function createParamHelper(externalHelpersModuleName, expression, parameterOffset, location) { - return createCall(createHelperName(externalHelpersModuleName, "__param"), undefined, [ - createLiteral(parameterOffset), - expression - ], location); + ts.getDefaultLibFileName = getDefaultLibFileName; + function textSpanEnd(span) { + return span.start + span.length; } - ts.createParamHelper = createParamHelper; - function createMetadataHelper(externalHelpersModuleName, metadataKey, metadataValue) { - return createCall(createHelperName(externalHelpersModuleName, "__metadata"), undefined, [ - createLiteral(metadataKey), - metadataValue - ]); + ts.textSpanEnd = textSpanEnd; + function textSpanIsEmpty(span) { + return span.length === 0; } - ts.createMetadataHelper = createMetadataHelper; - function createDecorateHelper(externalHelpersModuleName, decoratorExpressions, target, memberName, descriptor, location) { - var argumentsArray = []; - argumentsArray.push(createArrayLiteral(decoratorExpressions, undefined, true)); - argumentsArray.push(target); - if (memberName) { - argumentsArray.push(memberName); - if (descriptor) { - argumentsArray.push(descriptor); - } - } - return createCall(createHelperName(externalHelpersModuleName, "__decorate"), undefined, argumentsArray, location); + ts.textSpanIsEmpty = textSpanIsEmpty; + function textSpanContainsPosition(span, position) { + return position >= span.start && position < textSpanEnd(span); } - ts.createDecorateHelper = createDecorateHelper; - function createAwaiterHelper(externalHelpersModuleName, hasLexicalArguments, promiseConstructor, body) { - var generatorFunc = createFunctionExpression(undefined, createToken(38), undefined, undefined, [], undefined, body); - (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 2097152; - return createCall(createHelperName(externalHelpersModuleName, "__awaiter"), undefined, [ - createThis(), - hasLexicalArguments ? createIdentifier("arguments") : createVoidZero(), - promiseConstructor ? createExpressionFromEntityName(promiseConstructor) : createVoidZero(), - generatorFunc - ]); + ts.textSpanContainsPosition = textSpanContainsPosition; + function textSpanContainsTextSpan(span, other) { + return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); } - ts.createAwaiterHelper = createAwaiterHelper; - function createHasOwnProperty(target, propertyName) { - return createCall(createPropertyAccess(target, "hasOwnProperty"), undefined, [propertyName]); + ts.textSpanContainsTextSpan = textSpanContainsTextSpan; + function textSpanOverlapsWith(span, other) { + var overlapStart = Math.max(span.start, other.start); + var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); + return overlapStart < overlapEnd; } - ts.createHasOwnProperty = createHasOwnProperty; - function createObjectCreate(prototype) { - return createCall(createPropertyAccess(createIdentifier("Object"), "create"), undefined, [prototype]); + ts.textSpanOverlapsWith = textSpanOverlapsWith; + function textSpanOverlap(span1, span2) { + var overlapStart = Math.max(span1.start, span2.start); + var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (overlapStart < overlapEnd) { + return createTextSpanFromBounds(overlapStart, overlapEnd); + } + return undefined; } - function createGeti(target) { - return createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createElementAccess(target, createIdentifier("name"))); + ts.textSpanOverlap = textSpanOverlap; + function textSpanIntersectsWithTextSpan(span, other) { + return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; } - function createSeti(target) { - return createArrowFunction(undefined, undefined, [ - createParameter("name"), - createParameter("value") - ], undefined, undefined, createAssignment(createElementAccess(target, createIdentifier("name")), createIdentifier("value"))); + ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; + function textSpanIntersectsWith(span, start, length) { + var end = start + length; + return start <= textSpanEnd(span) && end >= span.start; } - function createAdvancedAsyncSuperHelper() { - var createCache = createVariableStatement(undefined, createConstDeclarationList([ - createVariableDeclaration("cache", undefined, createObjectCreate(createNull())) - ])); - var getter = createGetAccessor(undefined, undefined, "value", [], undefined, createBlock([ - createReturn(createCall(createIdentifier("geti"), undefined, [createIdentifier("name")])) - ])); - var setter = createSetAccessor(undefined, undefined, "value", [createParameter("v")], createBlock([ - createStatement(createCall(createIdentifier("seti"), undefined, [ - createIdentifier("name"), - createIdentifier("v") - ])) - ])); - var getOrCreateAccessorsForName = createReturn(createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createLogicalOr(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createParen(createAssignment(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createObjectLiteral([ - getter, - setter - ])))))); - return createVariableStatement(undefined, createConstDeclarationList([ - createVariableDeclaration("_super", undefined, createCall(createParen(createFunctionExpression(undefined, undefined, undefined, undefined, [ - createParameter("geti"), - createParameter("seti") - ], undefined, createBlock([ - createCache, - getOrCreateAccessorsForName - ]))), undefined, [ - createGeti(createSuper()), - createSeti(createSuper()) - ])) - ])); + ts.textSpanIntersectsWith = textSpanIntersectsWith; + function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { + var end1 = start1 + length1; + var end2 = start2 + length2; + return start2 <= end1 && end2 >= start1; } - ts.createAdvancedAsyncSuperHelper = createAdvancedAsyncSuperHelper; - function createSimpleAsyncSuperHelper() { - return createVariableStatement(undefined, createConstDeclarationList([ - createVariableDeclaration("_super", undefined, createGeti(createSuper())) - ])); + ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; + function textSpanIntersectsWithPosition(span, position) { + return position <= textSpanEnd(span) && position >= span.start; } - ts.createSimpleAsyncSuperHelper = createSimpleAsyncSuperHelper; - function shouldBeCapturedInTempVariable(node, cacheIdentifiers) { - var target = skipParentheses(node); - switch (target.kind) { - case 70: - return cacheIdentifiers; - case 98: - case 8: - case 9: - return false; - case 171: - var elements = target.elements; - if (elements.length === 0) { - return false; - } - return true; - case 172: - return target.properties.length > 0; - default: - return true; + ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; + function textSpanIntersection(span1, span2) { + var intersectStart = Math.max(span1.start, span2.start); + var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (intersectStart <= intersectEnd) { + return createTextSpanFromBounds(intersectStart, intersectEnd); } + return undefined; } - function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) { - var callee = skipOuterExpressions(expression, 7); - var thisArg; - var target; - if (ts.isSuperProperty(callee)) { - thisArg = createThis(); - target = callee; - } - else if (callee.kind === 96) { - thisArg = createThis(); - target = languageVersion < 2 ? createIdentifier("_super", callee) : callee; + ts.textSpanIntersection = textSpanIntersection; + function createTextSpan(start, length) { + if (start < 0) { + throw new Error("start < 0"); } - else { - switch (callee.kind) { - case 173: { - if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { - thisArg = createTempVariable(recordTempVariable); - target = createPropertyAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.name, callee); - } - else { - thisArg = callee.expression; - target = callee; - } - break; - } - case 174: { - if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { - thisArg = createTempVariable(recordTempVariable); - target = createElementAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.argumentExpression, callee); - } - else { - thisArg = callee.expression; - target = callee; - } - break; - } - default: { - thisArg = createVoidZero(); - target = parenthesizeForAccess(expression); - break; - } - } + if (length < 0) { + throw new Error("length < 0"); } - return { target: target, thisArg: thisArg }; + return { start: start, length: length }; } - ts.createCallBinding = createCallBinding; - function inlineExpressions(expressions) { - return ts.reduceLeft(expressions, createComma); + ts.createTextSpan = createTextSpan; + function createTextSpanFromBounds(start, end) { + return createTextSpan(start, end - start); } - ts.inlineExpressions = inlineExpressions; - function createExpressionFromEntityName(node) { - if (ts.isQualifiedName(node)) { - var left = createExpressionFromEntityName(node.left); - var right = getMutableClone(node.right); - return createPropertyAccess(left, right, node); - } - else { - return getMutableClone(node); - } + ts.createTextSpanFromBounds = createTextSpanFromBounds; + function textChangeRangeNewSpan(range) { + return createTextSpan(range.span.start, range.newLength); } - ts.createExpressionFromEntityName = createExpressionFromEntityName; - function createExpressionForPropertyName(memberName) { - if (ts.isIdentifier(memberName)) { - return createLiteral(memberName, undefined); + ts.textChangeRangeNewSpan = textChangeRangeNewSpan; + function textChangeRangeIsUnchanged(range) { + return textSpanIsEmpty(range.span) && range.newLength === 0; + } + ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; + function createTextChangeRange(span, newLength) { + if (newLength < 0) { + throw new Error("newLength < 0"); } - else if (ts.isComputedPropertyName(memberName)) { - return getMutableClone(memberName.expression); + return { span: span, newLength: newLength }; + } + ts.createTextChangeRange = createTextChangeRange; + ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); + function collapseTextChangeRangesAcrossMultipleVersions(changes) { + if (changes.length === 0) { + return ts.unchangedTextChangeRange; } - else { - return getMutableClone(memberName); + if (changes.length === 1) { + return changes[0]; } - } - ts.createExpressionForPropertyName = createExpressionForPropertyName; - function createExpressionForObjectLiteralElementLike(node, property, receiver) { - switch (property.kind) { - case 150: - case 151: - return createExpressionForAccessorDeclaration(node.properties, property, receiver, node.multiLine); - case 253: - return createExpressionForPropertyAssignment(property, receiver); - case 254: - return createExpressionForShorthandPropertyAssignment(property, receiver); - case 148: - return createExpressionForMethodDeclaration(property, receiver); + var change0 = changes[0]; + var oldStartN = change0.span.start; + var oldEndN = textSpanEnd(change0.span); + var newEndN = oldStartN + change0.newLength; + for (var i = 1; i < changes.length; i++) { + var nextChange = changes[i]; + var oldStart1 = oldStartN; + var oldEnd1 = oldEndN; + var newEnd1 = newEndN; + var oldStart2 = nextChange.span.start; + var oldEnd2 = textSpanEnd(nextChange.span); + var newEnd2 = oldStart2 + nextChange.newLength; + oldStartN = Math.min(oldStart1, oldStart2); + oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); + newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); } + return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); } - ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike; - function createExpressionForAccessorDeclaration(properties, property, receiver, multiLine) { - var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; - if (property === firstAccessor) { - var properties_1 = []; - if (getAccessor) { - var getterFunction = createFunctionExpression(getAccessor.modifiers, undefined, undefined, undefined, getAccessor.parameters, undefined, getAccessor.body, getAccessor); - setOriginalNode(getterFunction, getAccessor); - var getter = createPropertyAssignment("get", getterFunction); - properties_1.push(getter); - } - if (setAccessor) { - var setterFunction = createFunctionExpression(setAccessor.modifiers, undefined, undefined, undefined, setAccessor.parameters, undefined, setAccessor.body, setAccessor); - setOriginalNode(setterFunction, setAccessor); - var setter = createPropertyAssignment("set", setterFunction); - properties_1.push(setter); + ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; + function getTypeParameterOwner(d) { + if (d && d.kind === 142) { + for (var current = d; current; current = current.parent) { + if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 223) { + return current; + } } - properties_1.push(createPropertyAssignment("enumerable", createLiteral(true))); - properties_1.push(createPropertyAssignment("configurable", createLiteral(true))); - var expression = createCall(createPropertyAccess(createIdentifier("Object"), "defineProperty"), undefined, [ - receiver, - createExpressionForPropertyName(property.name), - createObjectLiteral(properties_1, undefined, multiLine) - ], firstAccessor); - return ts.aggregateTransformFlags(expression); } - return undefined; - } - function createExpressionForPropertyAssignment(property, receiver) { - return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), property.initializer, property), property)); } - function createExpressionForShorthandPropertyAssignment(property, receiver) { - return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), getSynthesizedClone(property.name), property), property)); - } - function createExpressionForMethodDeclaration(method, receiver) { - return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, method.name, method.name), setOriginalNode(createFunctionExpression(method.modifiers, method.asteriskToken, undefined, undefined, method.parameters, undefined, method.body, method), method), method), method)); + ts.getTypeParameterOwner = getTypeParameterOwner; + function isParameterPropertyDeclaration(node) { + return ts.hasModifier(node, 92) && node.parent.kind === 149 && ts.isClassLike(node.parent.parent); } - function isUseStrictPrologue(node) { - return node.expression.text === "use strict"; + ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; + function walkUpBindingElementsAndPatterns(node) { + while (node && (node.kind === 170 || ts.isBindingPattern(node))) { + node = node.parent; + } + return node; } - function addPrologueDirectives(target, source, ensureUseStrict, visitor) { - ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array"); - var foundUseStrict = false; - var statementOffset = 0; - var numStatements = source.length; - while (statementOffset < numStatements) { - var statement = source[statementOffset]; - if (ts.isPrologueDirective(statement)) { - if (isUseStrictPrologue(statement)) { - foundUseStrict = true; - } - target.push(statement); - } - else { - break; - } - statementOffset++; + function getCombinedModifierFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = ts.getModifierFlags(node); + if (node.kind === 219) { + node = node.parent; } - if (ensureUseStrict && !foundUseStrict) { - target.push(startOnNewLine(createStatement(createLiteral("use strict")))); + if (node && node.kind === 220) { + flags |= ts.getModifierFlags(node); + node = node.parent; } - while (statementOffset < numStatements) { - var statement = source[statementOffset]; - if (getEmitFlags(statement) & 8388608) { - target.push(visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement); - } - else { - break; - } - statementOffset++; + if (node && node.kind === 201) { + flags |= ts.getModifierFlags(node); } - return statementOffset; + return flags; } - ts.addPrologueDirectives = addPrologueDirectives; - function ensureUseStrict(node) { - var foundUseStrict = false; - for (var _i = 0, _a = node.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - if (ts.isPrologueDirective(statement)) { - if (isUseStrictPrologue(statement)) { - foundUseStrict = true; - break; - } - } - else { - break; - } + ts.getCombinedModifierFlags = getCombinedModifierFlags; + function getCombinedNodeFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = node.flags; + if (node.kind === 219) { + node = node.parent; } - if (!foundUseStrict) { - var statements = []; - statements.push(startOnNewLine(createStatement(createLiteral("use strict")))); - return updateSourceFileNode(node, statements.concat(node.statements)); + if (node && node.kind === 220) { + flags |= node.flags; + node = node.parent; + } + if (node && node.kind === 201) { + flags |= node.flags; } + return flags; + } + ts.getCombinedNodeFlags = getCombinedNodeFlags; +})(ts || (ts = {})); +var ts; +(function (ts) { + var NodeConstructor; + var SourceFileConstructor; + function createNode(kind, location, flags) { + var ConstructorForKind = kind === 256 + ? (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor())) + : (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor())); + var node = location + ? new ConstructorForKind(kind, location.pos, location.end) + : new ConstructorForKind(kind, -1, -1); + node.flags = flags | 8; return node; } - ts.ensureUseStrict = ensureUseStrict; - function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { - var skipped = skipPartiallyEmittedExpressions(operand); - if (skipped.kind === 179) { - return operand; + function updateNode(updated, original) { + if (updated !== original) { + setOriginalNode(updated, original); + if (original.startsOnNewLine) { + updated.startsOnNewLine = true; + } + ts.aggregateTransformFlags(updated); } - return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) - ? createParen(operand) - : operand; + return updated; } - ts.parenthesizeBinaryOperand = parenthesizeBinaryOperand; - function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { - var binaryOperatorPrecedence = ts.getOperatorPrecedence(188, binaryOperator); - var binaryOperatorAssociativity = ts.getOperatorAssociativity(188, binaryOperator); - var emittedOperand = skipPartiallyEmittedExpressions(operand); - var operandPrecedence = ts.getExpressionPrecedence(emittedOperand); - switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) { - case -1: - if (!isLeftSideOfBinary - && binaryOperatorAssociativity === 1 - && operand.kind === 191) { - return false; - } - return true; - case 1: - return false; - case 0: - if (isLeftSideOfBinary) { - return binaryOperatorAssociativity === 1; - } - else { - if (ts.isBinaryExpression(emittedOperand) - && emittedOperand.operatorToken.kind === binaryOperator) { - if (operatorHasAssociativeProperty(binaryOperator)) { - return false; - } - if (binaryOperator === 36) { - var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0; - if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) { - return false; - } - } - } - var operandAssociativity = ts.getExpressionAssociativity(emittedOperand); - return operandAssociativity === 0; - } + ts.updateNode = updateNode; + function createNodeArray(elements, location, hasTrailingComma) { + if (elements) { + if (ts.isNodeArray(elements)) { + return elements; + } } - } - function operatorHasAssociativeProperty(binaryOperator) { - return binaryOperator === 38 - || binaryOperator === 48 - || binaryOperator === 47 - || binaryOperator === 49; - } - function getLiteralKindOfBinaryPlusOperand(node) { - node = skipPartiallyEmittedExpressions(node); - if (ts.isLiteralKind(node.kind)) { - return node.kind; + else { + elements = []; } - if (node.kind === 188 && node.operatorToken.kind === 36) { - if (node.cachedLiteralKind !== undefined) { - return node.cachedLiteralKind; - } - var leftKind = getLiteralKindOfBinaryPlusOperand(node.left); - var literalKind = ts.isLiteralKind(leftKind) - && leftKind === getLiteralKindOfBinaryPlusOperand(node.right) - ? leftKind - : 0; - node.cachedLiteralKind = literalKind; - return literalKind; + var array = elements; + if (location) { + array.pos = location.pos; + array.end = location.end; } - return 0; - } - function parenthesizeForNew(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - switch (emittedExpression.kind) { - case 175: - return createParen(expression); - case 176: - return emittedExpression.arguments - ? expression - : createParen(expression); + else { + array.pos = -1; + array.end = -1; } - return parenthesizeForAccess(expression); - } - ts.parenthesizeForNew = parenthesizeForNew; - function parenthesizeForAccess(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - if (ts.isLeftHandSideExpression(emittedExpression) - && (emittedExpression.kind !== 176 || emittedExpression.arguments) - && emittedExpression.kind !== 8) { - return expression; + if (hasTrailingComma) { + array.hasTrailingComma = true; } - return createParen(expression, expression); + return array; } - ts.parenthesizeForAccess = parenthesizeForAccess; - function parenthesizePostfixOperand(operand) { - return ts.isLeftHandSideExpression(operand) - ? operand - : createParen(operand, operand); + ts.createNodeArray = createNodeArray; + function createSynthesizedNode(kind, startsOnNewLine) { + var node = createNode(kind, undefined); + node.startsOnNewLine = startsOnNewLine; + return node; } - ts.parenthesizePostfixOperand = parenthesizePostfixOperand; - function parenthesizePrefixOperand(operand) { - return ts.isUnaryExpression(operand) - ? operand - : createParen(operand, operand); + ts.createSynthesizedNode = createSynthesizedNode; + function createSynthesizedNodeArray(elements) { + return createNodeArray(elements, undefined); } - ts.parenthesizePrefixOperand = parenthesizePrefixOperand; - function parenthesizeListElements(elements) { - var result; - for (var i = 0; i < elements.length; i++) { - var element = parenthesizeExpressionForList(elements[i]); - if (result !== undefined || element !== elements[i]) { - if (result === undefined) { - result = elements.slice(0, i); - } - result.push(element); + ts.createSynthesizedNodeArray = createSynthesizedNodeArray; + function getSynthesizedClone(node) { + var clone = createNode(node.kind, undefined, node.flags); + setOriginalNode(clone, node); + for (var key in node) { + if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { + continue; } + clone[key] = node[key]; } - if (result !== undefined) { - return createNodeArray(result, elements, elements.hasTrailingComma); - } - return elements; + return clone; } - function parenthesizeExpressionForList(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression); - var commaPrecedence = ts.getOperatorPrecedence(188, 25); - return expressionPrecedence > commaPrecedence - ? expression - : createParen(expression, expression); + ts.getSynthesizedClone = getSynthesizedClone; + function getMutableClone(node) { + var clone = getSynthesizedClone(node); + clone.pos = node.pos; + clone.end = node.end; + clone.parent = node.parent; + return clone; } - ts.parenthesizeExpressionForList = parenthesizeExpressionForList; - function parenthesizeExpressionForExpressionStatement(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - if (ts.isCallExpression(emittedExpression)) { - var callee = emittedExpression.expression; - var kind = skipPartiallyEmittedExpressions(callee).kind; - if (kind === 180 || kind === 181) { - var mutableCall = getMutableClone(emittedExpression); - mutableCall.expression = createParen(callee, callee); - return recreatePartiallyEmittedExpressions(expression, mutableCall); - } + ts.getMutableClone = getMutableClone; + function createLiteral(value, location) { + if (typeof value === "number") { + var node = createNode(8, location, undefined); + node.text = value.toString(); + return node; } - else { - var leftmostExpressionKind = getLeftmostExpression(emittedExpression).kind; - if (leftmostExpressionKind === 172 || leftmostExpressionKind === 180) { - return createParen(expression, expression); - } + else if (typeof value === "boolean") { + return createNode(value ? 100 : 85, location, undefined); } - return expression; - } - ts.parenthesizeExpressionForExpressionStatement = parenthesizeExpressionForExpressionStatement; - function recreatePartiallyEmittedExpressions(originalOuterExpression, newInnerExpression) { - if (ts.isPartiallyEmittedExpression(originalOuterExpression)) { - var clone_1 = getMutableClone(originalOuterExpression); - clone_1.expression = recreatePartiallyEmittedExpressions(clone_1.expression, newInnerExpression); - return clone_1; + else if (typeof value === "string") { + var node = createNode(9, location, undefined); + node.text = value; + return node; } - return newInnerExpression; - } - function getLeftmostExpression(node) { - while (true) { - switch (node.kind) { - case 187: - node = node.operand; - continue; - case 188: - node = node.left; - continue; - case 189: - node = node.condition; - continue; - case 175: - case 174: - case 173: - node = node.expression; - continue; - case 288: - node = node.expression; - continue; - } + else if (value) { + var node = createNode(9, location, undefined); + node.textSourceNode = value; + node.text = value.text; return node; } } - function parenthesizeConciseBody(body) { - var emittedBody = skipPartiallyEmittedExpressions(body); - if (emittedBody.kind === 172) { - return createParen(body, body); - } - return body; - } - ts.parenthesizeConciseBody = parenthesizeConciseBody; - (function (OuterExpressionKinds) { - OuterExpressionKinds[OuterExpressionKinds["Parentheses"] = 1] = "Parentheses"; - OuterExpressionKinds[OuterExpressionKinds["Assertions"] = 2] = "Assertions"; - OuterExpressionKinds[OuterExpressionKinds["PartiallyEmittedExpressions"] = 4] = "PartiallyEmittedExpressions"; - OuterExpressionKinds[OuterExpressionKinds["All"] = 7] = "All"; - })(ts.OuterExpressionKinds || (ts.OuterExpressionKinds = {})); - var OuterExpressionKinds = ts.OuterExpressionKinds; - function skipOuterExpressions(node, kinds) { - if (kinds === void 0) { kinds = 7; } - var previousNode; - do { - previousNode = node; - if (kinds & 1) { - node = skipParentheses(node); - } - if (kinds & 2) { - node = skipAssertions(node); - } - if (kinds & 4) { - node = skipPartiallyEmittedExpressions(node); - } - } while (previousNode !== node); + ts.createLiteral = createLiteral; + var nextAutoGenerateId = 0; + function createIdentifier(text, location) { + var node = createNode(70, location); + node.text = ts.escapeIdentifier(text); + node.originalKeywordKind = ts.stringToToken(text); + node.autoGenerateKind = 0; + node.autoGenerateId = 0; return node; } - ts.skipOuterExpressions = skipOuterExpressions; - function skipParentheses(node) { - while (node.kind === 179) { - node = node.expression; + ts.createIdentifier = createIdentifier; + function createTempVariable(recordTempVariable, location) { + var name = createNode(70, location); + name.text = ""; + name.originalKeywordKind = 0; + name.autoGenerateKind = 1; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + if (recordTempVariable) { + recordTempVariable(name); } + return name; + } + ts.createTempVariable = createTempVariable; + function createLoopVariable(location) { + var name = createNode(70, location); + name.text = ""; + name.originalKeywordKind = 0; + name.autoGenerateKind = 2; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + return name; + } + ts.createLoopVariable = createLoopVariable; + function createUniqueName(text, location) { + var name = createNode(70, location); + name.text = text; + name.originalKeywordKind = 0; + name.autoGenerateKind = 3; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + return name; + } + ts.createUniqueName = createUniqueName; + function getGeneratedNameForNode(node, location) { + var name = createNode(70, location); + name.original = node; + name.text = ""; + name.originalKeywordKind = 0; + name.autoGenerateKind = 4; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + return name; + } + ts.getGeneratedNameForNode = getGeneratedNameForNode; + function createToken(token) { + return createNode(token); + } + ts.createToken = createToken; + function createSuper() { + var node = createNode(96); return node; } - ts.skipParentheses = skipParentheses; - function skipAssertions(node) { - while (ts.isAssertionExpression(node)) { - node = node.expression; - } + ts.createSuper = createSuper; + function createThis(location) { + var node = createNode(98, location); return node; } - ts.skipAssertions = skipAssertions; - function skipPartiallyEmittedExpressions(node) { - while (node.kind === 288) { - node = node.expression; - } + ts.createThis = createThis; + function createNull() { + var node = createNode(94); return node; } - ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions; - function startOnNewLine(node) { - node.startsOnNewLine = true; + ts.createNull = createNull; + function createComputedPropertyName(expression, location) { + var node = createNode(141, location); + node.expression = expression; return node; } - ts.startOnNewLine = startOnNewLine; - function setOriginalNode(node, original) { - node.original = original; - if (original) { - var emitNode = original.emitNode; - if (emitNode) - node.emitNode = mergeEmitNode(emitNode, node.emitNode); + ts.createComputedPropertyName = createComputedPropertyName; + function updateComputedPropertyName(node, expression) { + if (node.expression !== expression) { + return updateNode(createComputedPropertyName(expression, node), node); } return node; } - ts.setOriginalNode = setOriginalNode; - function mergeEmitNode(sourceEmitNode, destEmitNode) { - var flags = sourceEmitNode.flags, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges; - if (!destEmitNode && (flags || commentRange || sourceMapRange || tokenSourceMapRanges)) - destEmitNode = {}; - if (flags) - destEmitNode.flags = flags; - if (commentRange) - destEmitNode.commentRange = commentRange; - if (sourceMapRange) - destEmitNode.sourceMapRange = sourceMapRange; - if (tokenSourceMapRanges) - destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges); - return destEmitNode; + ts.updateComputedPropertyName = updateComputedPropertyName; + function createParameter(name, initializer, location) { + return createParameterDeclaration(undefined, undefined, undefined, name, undefined, undefined, initializer, location); } - function mergeTokenSourceMapRanges(sourceRanges, destRanges) { - if (!destRanges) - destRanges = ts.createMap(); - ts.copyProperties(sourceRanges, destRanges); - return destRanges; + ts.createParameter = createParameter; + function createParameterDeclaration(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer, location, flags) { + var node = createNode(143, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.dotDotDotToken = dotDotDotToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.questionToken = questionToken; + node.type = type; + node.initializer = initializer ? parenthesizeExpressionForList(initializer) : undefined; + return node; } - function disposeEmitNodes(sourceFile) { - sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile)); - var emitNode = sourceFile && sourceFile.emitNode; - var annotatedNodes = emitNode && emitNode.annotatedNodes; - if (annotatedNodes) { - for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) { - var node = annotatedNodes_1[_i]; - node.emitNode = undefined; - } + ts.createParameterDeclaration = createParameterDeclaration; + function updateParameterDeclaration(node, decorators, modifiers, name, type, initializer) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { + return updateNode(createParameterDeclaration(decorators, modifiers, node.dotDotDotToken, name, node.questionToken, type, initializer, node, node.flags), node); } + return node; } - ts.disposeEmitNodes = disposeEmitNodes; - function getOrCreateEmitNode(node) { - if (!node.emitNode) { - if (ts.isParseTreeNode(node)) { - if (node.kind === 256) { - return node.emitNode = { annotatedNodes: [node] }; - } - var sourceFile = ts.getSourceFileOfNode(node); - getOrCreateEmitNode(sourceFile).annotatedNodes.push(node); - } - node.emitNode = {}; - } - return node.emitNode; + ts.updateParameterDeclaration = updateParameterDeclaration; + function createProperty(decorators, modifiers, name, questionToken, type, initializer, location) { + var node = createNode(146, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.questionToken = questionToken; + node.type = type; + node.initializer = initializer; + return node; } - function getEmitFlags(node) { - var emitNode = node.emitNode; - return emitNode && emitNode.flags; + ts.createProperty = createProperty; + function updateProperty(node, decorators, modifiers, name, type, initializer) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { + return updateNode(createProperty(decorators, modifiers, name, node.questionToken, type, initializer, node), node); + } + return node; } - ts.getEmitFlags = getEmitFlags; - function setEmitFlags(node, emitFlags) { - getOrCreateEmitNode(node).flags = emitFlags; + ts.updateProperty = updateProperty; + function createMethod(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { + var node = createNode(148, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.asteriskToken = asteriskToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; return node; } - ts.setEmitFlags = setEmitFlags; - function setSourceMapRange(node, range) { - getOrCreateEmitNode(node).sourceMapRange = range; + ts.createMethod = createMethod; + function updateMethod(node, decorators, modifiers, name, typeParameters, parameters, type, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createMethod(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); + } return node; } - ts.setSourceMapRange = setSourceMapRange; - function setTokenSourceMapRange(node, token, range) { - var emitNode = getOrCreateEmitNode(node); - var tokenSourceMapRanges = emitNode.tokenSourceMapRanges || (emitNode.tokenSourceMapRanges = ts.createMap()); - tokenSourceMapRanges[token] = range; + ts.updateMethod = updateMethod; + function createConstructor(decorators, modifiers, parameters, body, location, flags) { + var node = createNode(149, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.typeParameters = undefined; + node.parameters = createNodeArray(parameters); + node.type = undefined; + node.body = body; return node; } - ts.setTokenSourceMapRange = setTokenSourceMapRange; - function setCommentRange(node, range) { - getOrCreateEmitNode(node).commentRange = range; + ts.createConstructor = createConstructor; + function updateConstructor(node, decorators, modifiers, parameters, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.parameters !== parameters || node.body !== body) { + return updateNode(createConstructor(decorators, modifiers, parameters, body, node, node.flags), node); + } return node; } - ts.setCommentRange = setCommentRange; - function getCommentRange(node) { - var emitNode = node.emitNode; - return (emitNode && emitNode.commentRange) || node; + ts.updateConstructor = updateConstructor; + function createGetAccessor(decorators, modifiers, name, parameters, type, body, location, flags) { + var node = createNode(150, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; + return node; } - ts.getCommentRange = getCommentRange; - function getSourceMapRange(node) { - var emitNode = node.emitNode; - return (emitNode && emitNode.sourceMapRange) || node; + ts.createGetAccessor = createGetAccessor; + function updateGetAccessor(node, decorators, modifiers, name, parameters, type, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createGetAccessor(decorators, modifiers, name, parameters, type, body, node, node.flags), node); + } + return node; } - ts.getSourceMapRange = getSourceMapRange; - function getTokenSourceMapRange(node, token) { - var emitNode = node.emitNode; - var tokenSourceMapRanges = emitNode && emitNode.tokenSourceMapRanges; - return tokenSourceMapRanges && tokenSourceMapRanges[token]; + ts.updateGetAccessor = updateGetAccessor; + function createSetAccessor(decorators, modifiers, name, parameters, body, location, flags) { + var node = createNode(151, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = undefined; + node.parameters = createNodeArray(parameters); + node.body = body; + return node; } - ts.getTokenSourceMapRange = getTokenSourceMapRange; - function getConstantValue(node) { - var emitNode = node.emitNode; - return emitNode && emitNode.constantValue; + ts.createSetAccessor = createSetAccessor; + function updateSetAccessor(node, decorators, modifiers, name, parameters, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.body !== body) { + return updateNode(createSetAccessor(decorators, modifiers, name, parameters, body, node, node.flags), node); + } + return node; } - ts.getConstantValue = getConstantValue; - function setConstantValue(node, value) { - var emitNode = getOrCreateEmitNode(node); - emitNode.constantValue = value; + ts.updateSetAccessor = updateSetAccessor; + function createObjectBindingPattern(elements, location) { + var node = createNode(168, location); + node.elements = createNodeArray(elements); return node; } - ts.setConstantValue = setConstantValue; - function setTextRange(node, location) { - if (location) { - node.pos = location.pos; - node.end = location.end; + ts.createObjectBindingPattern = createObjectBindingPattern; + function updateObjectBindingPattern(node, elements) { + if (node.elements !== elements) { + return updateNode(createObjectBindingPattern(elements, node), node); } return node; } - ts.setTextRange = setTextRange; - function setNodeFlags(node, flags) { - node.flags = flags; + ts.updateObjectBindingPattern = updateObjectBindingPattern; + function createArrayBindingPattern(elements, location) { + var node = createNode(169, location); + node.elements = createNodeArray(elements); return node; } - ts.setNodeFlags = setNodeFlags; - function setMultiLine(node, multiLine) { - node.multiLine = multiLine; + ts.createArrayBindingPattern = createArrayBindingPattern; + function updateArrayBindingPattern(node, elements) { + if (node.elements !== elements) { + return updateNode(createArrayBindingPattern(elements, node), node); + } return node; } - ts.setMultiLine = setMultiLine; - function setHasTrailingComma(nodes, hasTrailingComma) { - nodes.hasTrailingComma = hasTrailingComma; - return nodes; + ts.updateArrayBindingPattern = updateArrayBindingPattern; + function createBindingElement(propertyName, dotDotDotToken, name, initializer, location) { + var node = createNode(170, location); + node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; + node.dotDotDotToken = dotDotDotToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.initializer = initializer; + return node; } - ts.setHasTrailingComma = setHasTrailingComma; - function getLocalNameForExternalImport(node, sourceFile) { - var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); - if (namespaceDeclaration && !ts.isDefaultImport(node)) { - var name_9 = namespaceDeclaration.name; - return ts.isGeneratedIdentifier(name_9) ? name_9 : createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, namespaceDeclaration.name)); - } - if (node.kind === 231 && node.importClause) { - return getGeneratedNameForNode(node); - } - if (node.kind === 237 && node.moduleSpecifier) { - return getGeneratedNameForNode(node); + ts.createBindingElement = createBindingElement; + function updateBindingElement(node, propertyName, name, initializer) { + if (node.propertyName !== propertyName || node.name !== name || node.initializer !== initializer) { + return updateNode(createBindingElement(propertyName, node.dotDotDotToken, name, initializer, node), node); } - return undefined; + return node; } - ts.getLocalNameForExternalImport = getLocalNameForExternalImport; - function getExternalModuleNameLiteral(importNode, sourceFile, host, resolver, compilerOptions) { - var moduleName = ts.getExternalModuleName(importNode); - if (moduleName.kind === 9) { - return tryGetModuleNameFromDeclaration(importNode, host, resolver, compilerOptions) - || tryRenameExternalModule(moduleName, sourceFile) - || getSynthesizedClone(moduleName); + ts.updateBindingElement = updateBindingElement; + function createArrayLiteral(elements, location, multiLine) { + var node = createNode(171, location); + node.elements = parenthesizeListElements(createNodeArray(elements)); + if (multiLine) { + node.multiLine = true; } - return undefined; + return node; } - ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral; - function tryRenameExternalModule(moduleName, sourceFile) { - if (sourceFile.renamedDependencies && ts.hasProperty(sourceFile.renamedDependencies, moduleName.text)) { - return createLiteral(sourceFile.renamedDependencies[moduleName.text]); + ts.createArrayLiteral = createArrayLiteral; + function updateArrayLiteral(node, elements) { + if (node.elements !== elements) { + return updateNode(createArrayLiteral(elements, node, node.multiLine), node); } - return undefined; + return node; } - function tryGetModuleNameFromFile(file, host, options) { - if (!file) { - return undefined; - } - if (file.moduleName) { - return createLiteral(file.moduleName); + ts.updateArrayLiteral = updateArrayLiteral; + function createObjectLiteral(properties, location, multiLine) { + var node = createNode(172, location); + node.properties = createNodeArray(properties); + if (multiLine) { + node.multiLine = true; } - if (!ts.isDeclarationFile(file) && (options.out || options.outFile)) { - return createLiteral(ts.getExternalModuleNameFromPath(host, file.fileName)); + return node; + } + ts.createObjectLiteral = createObjectLiteral; + function updateObjectLiteral(node, properties) { + if (node.properties !== properties) { + return updateNode(createObjectLiteral(properties, node, node.multiLine), node); } - return undefined; + return node; } - ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile; - function tryGetModuleNameFromDeclaration(declaration, host, resolver, compilerOptions) { - return tryGetModuleNameFromFile(resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions); + ts.updateObjectLiteral = updateObjectLiteral; + function createPropertyAccess(expression, name, location, flags) { + var node = createNode(173, location, flags); + node.expression = parenthesizeForAccess(expression); + (node.emitNode || (node.emitNode = {})).flags |= 1048576; + node.name = typeof name === "string" ? createIdentifier(name) : name; + return node; } -})(ts || (ts = {})); -var ts; -(function (ts) { - var NodeConstructor; - var TokenConstructor; - var IdentifierConstructor; - var SourceFileConstructor; - function createNode(kind, pos, end) { - if (kind === 256) { - return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); - } - else if (kind === 70) { - return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, pos, end); + ts.createPropertyAccess = createPropertyAccess; + function updatePropertyAccess(node, expression, name) { + if (node.expression !== expression || node.name !== name) { + var propertyAccess = createPropertyAccess(expression, name, node, node.flags); + (propertyAccess.emitNode || (propertyAccess.emitNode = {})).flags = getEmitFlags(node); + return updateNode(propertyAccess, node); } - else if (kind < 140) { - return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, pos, end); + return node; + } + ts.updatePropertyAccess = updatePropertyAccess; + function createElementAccess(expression, index, location) { + var node = createNode(174, location); + node.expression = parenthesizeForAccess(expression); + node.argumentExpression = typeof index === "number" ? createLiteral(index) : index; + return node; + } + ts.createElementAccess = createElementAccess; + function updateElementAccess(node, expression, argumentExpression) { + if (node.expression !== expression || node.argumentExpression !== argumentExpression) { + return updateNode(createElementAccess(expression, argumentExpression, node), node); } - else { - return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); + return node; + } + ts.updateElementAccess = updateElementAccess; + function createCall(expression, typeArguments, argumentsArray, location, flags) { + var node = createNode(175, location, flags); + node.expression = parenthesizeForAccess(expression); + if (typeArguments) { + node.typeArguments = createNodeArray(typeArguments); } + node.arguments = parenthesizeListElements(createNodeArray(argumentsArray)); + return node; } - ts.createNode = createNode; - function visitNode(cbNode, node) { - if (node) { - return cbNode(node); + ts.createCall = createCall; + function updateCall(node, expression, typeArguments, argumentsArray) { + if (expression !== node.expression || typeArguments !== node.typeArguments || argumentsArray !== node.arguments) { + return updateNode(createCall(expression, typeArguments, argumentsArray, node, node.flags), node); } + return node; } - function visitNodeArray(cbNodes, nodes) { - if (nodes) { - return cbNodes(nodes); + ts.updateCall = updateCall; + function createNew(expression, typeArguments, argumentsArray, location, flags) { + var node = createNode(176, location, flags); + node.expression = parenthesizeForNew(expression); + node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; + node.arguments = argumentsArray ? parenthesizeListElements(createNodeArray(argumentsArray)) : undefined; + return node; + } + ts.createNew = createNew; + function updateNew(node, expression, typeArguments, argumentsArray) { + if (node.expression !== expression || node.typeArguments !== typeArguments || node.arguments !== argumentsArray) { + return updateNode(createNew(expression, typeArguments, argumentsArray, node, node.flags), node); } + return node; } - function visitEachNode(cbNode, nodes) { - if (nodes) { - for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { - var node = nodes_1[_i]; - var result = cbNode(node); - if (result) { - return result; - } - } + ts.updateNew = updateNew; + function createTaggedTemplate(tag, template, location) { + var node = createNode(177, location); + node.tag = parenthesizeForAccess(tag); + node.template = template; + return node; + } + ts.createTaggedTemplate = createTaggedTemplate; + function updateTaggedTemplate(node, tag, template) { + if (node.tag !== tag || node.template !== template) { + return updateNode(createTaggedTemplate(tag, template, node), node); } + return node; } - function forEachChild(node, cbNode, cbNodeArray) { - if (!node) { - return; + ts.updateTaggedTemplate = updateTaggedTemplate; + function createParen(expression, location) { + var node = createNode(179, location); + node.expression = expression; + return node; + } + ts.createParen = createParen; + function updateParen(node, expression) { + if (node.expression !== expression) { + return updateNode(createParen(expression, node), node); } - var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; - var cbNodes = cbNodeArray || cbNode; - switch (node.kind) { - case 140: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.right); - case 142: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.constraint) || - visitNode(cbNode, node.expression); - case 254: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.equalsToken) || - visitNode(cbNode, node.objectAssignmentInitializer); - case 143: - case 146: - case 145: - case 253: - case 219: - case 170: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.dotDotDotToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.initializer); - case 157: - case 158: - case 152: - case 153: - case 154: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 148: - case 147: - case 149: - case 150: - case 151: - case 180: - case 221: - case 181: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.equalsGreaterThanToken) || - visitNode(cbNode, node.body); - case 156: - return visitNode(cbNode, node.typeName) || - visitNodes(cbNodes, node.typeArguments); - case 155: - return visitNode(cbNode, node.parameterName) || - visitNode(cbNode, node.type); - case 159: - return visitNode(cbNode, node.exprName); - case 160: - return visitNodes(cbNodes, node.members); - case 161: - return visitNode(cbNode, node.elementType); - case 162: - return visitNodes(cbNodes, node.elementTypes); - case 163: - case 164: - return visitNodes(cbNodes, node.types); - case 165: - return visitNode(cbNode, node.type); - case 167: - return visitNode(cbNode, node.literal); - case 168: - case 169: - return visitNodes(cbNodes, node.elements); - case 171: - return visitNodes(cbNodes, node.elements); - case 172: - return visitNodes(cbNodes, node.properties); - case 173: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.name); - case 174: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.argumentExpression); - case 175: - case 176: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments) || - visitNodes(cbNodes, node.arguments); - case 177: - return visitNode(cbNode, node.tag) || - visitNode(cbNode, node.template); - case 178: - return visitNode(cbNode, node.type) || - visitNode(cbNode, node.expression); - case 179: - return visitNode(cbNode, node.expression); - case 182: - return visitNode(cbNode, node.expression); - case 183: - return visitNode(cbNode, node.expression); - case 184: - return visitNode(cbNode, node.expression); - case 186: - return visitNode(cbNode, node.operand); - case 191: - return visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.expression); - case 185: - return visitNode(cbNode, node.expression); - case 187: - return visitNode(cbNode, node.operand); - case 188: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.operatorToken) || - visitNode(cbNode, node.right); - case 196: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.type); - case 197: - return visitNode(cbNode, node.expression); - case 189: - return visitNode(cbNode, node.condition) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.whenTrue) || - visitNode(cbNode, node.colonToken) || - visitNode(cbNode, node.whenFalse); - case 192: - return visitNode(cbNode, node.expression); - case 200: - case 227: - return visitNodes(cbNodes, node.statements); - case 256: - return visitNodes(cbNodes, node.statements) || - visitNode(cbNode, node.endOfFileToken); - case 201: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.declarationList); - case 220: - return visitNodes(cbNodes, node.declarations); - case 203: - return visitNode(cbNode, node.expression); - case 204: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.thenStatement) || - visitNode(cbNode, node.elseStatement); - case 205: - return visitNode(cbNode, node.statement) || - visitNode(cbNode, node.expression); - case 206: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 207: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.condition) || - visitNode(cbNode, node.incrementor) || - visitNode(cbNode, node.statement); - case 208: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 209: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 210: - case 211: - return visitNode(cbNode, node.label); - case 212: - return visitNode(cbNode, node.expression); - case 213: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 214: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.caseBlock); - case 228: - return visitNodes(cbNodes, node.clauses); - case 249: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.statements); - case 250: - return visitNodes(cbNodes, node.statements); - case 215: - return visitNode(cbNode, node.label) || - visitNode(cbNode, node.statement); - case 216: - return visitNode(cbNode, node.expression); - case 217: - return visitNode(cbNode, node.tryBlock) || - visitNode(cbNode, node.catchClause) || - visitNode(cbNode, node.finallyBlock); - case 252: - return visitNode(cbNode, node.variableDeclaration) || - visitNode(cbNode, node.block); - case 144: - return visitNode(cbNode, node.expression); - case 222: - case 193: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 223: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 224: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNode(cbNode, node.type); - case 225: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.members); - case 255: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 226: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.body); - case 230: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.moduleReference); - case 231: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.importClause) || - visitNode(cbNode, node.moduleSpecifier); - case 232: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.namedBindings); - case 229: - return visitNode(cbNode, node.name); - case 233: - return visitNode(cbNode, node.name); - case 234: - case 238: - return visitNodes(cbNodes, node.elements); - case 237: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.exportClause) || - visitNode(cbNode, node.moduleSpecifier); - case 235: - case 239: - return visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.name); - case 236: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.expression); - case 190: - return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); - case 198: - return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); - case 141: - return visitNode(cbNode, node.expression); - case 251: - return visitNodes(cbNodes, node.types); - case 195: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments); - case 241: - return visitNode(cbNode, node.expression); - case 240: - return visitNodes(cbNodes, node.decorators); - case 242: - return visitNode(cbNode, node.openingElement) || - visitNodes(cbNodes, node.children) || - visitNode(cbNode, node.closingElement); - case 243: - case 244: - return visitNode(cbNode, node.tagName) || - visitNodes(cbNodes, node.attributes); - case 246: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 247: - return visitNode(cbNode, node.expression); - case 248: - return visitNode(cbNode, node.expression); - case 245: - return visitNode(cbNode, node.tagName); - case 257: - return visitNode(cbNode, node.type); - case 261: - return visitNodes(cbNodes, node.types); - case 262: - return visitNodes(cbNodes, node.types); - case 260: - return visitNode(cbNode, node.elementType); - case 264: - return visitNode(cbNode, node.type); - case 263: - return visitNode(cbNode, node.type); - case 265: - return visitNode(cbNode, node.literal); - case 267: - return visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeArguments); - case 268: - return visitNode(cbNode, node.type); - case 269: - return visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 270: - return visitNode(cbNode, node.type); - case 271: - return visitNode(cbNode, node.type); - case 272: - return visitNode(cbNode, node.type); - case 266: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.type); - case 273: - return visitNodes(cbNodes, node.tags); - case 275: - return visitNode(cbNode, node.preParameterName) || - visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.postParameterName); - case 276: - return visitNode(cbNode, node.typeExpression); - case 277: - return visitNode(cbNode, node.typeExpression); - case 278: - return visitNodes(cbNodes, node.typeParameters); - case 279: - return visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.jsDocTypeLiteral); - case 281: - return visitNodes(cbNodes, node.jsDocPropertyTags); - case 280: - return visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.name); - case 288: - return visitNode(cbNode, node.expression); - case 282: - return visitNode(cbNode, node.literal); + return node; + } + ts.updateParen = updateParen; + function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { + var node = createNode(180, location, flags); + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.asteriskToken = asteriskToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; + return node; + } + ts.createFunctionExpression = createFunctionExpression; + function updateFunctionExpression(node, modifiers, name, typeParameters, parameters, type, body) { + if (node.name !== name || node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createFunctionExpression(modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); } + return node; } - ts.forEachChild = forEachChild; - function createSourceFile(fileName, sourceText, languageVersion, setParentNodes, scriptKind) { - if (setParentNodes === void 0) { setParentNodes = false; } - ts.performance.mark("beforeParse"); - var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes, scriptKind); - ts.performance.mark("afterParse"); - ts.performance.measure("Parse", "beforeParse", "afterParse"); - return result; + ts.updateFunctionExpression = updateFunctionExpression; + function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body, location, flags) { + var node = createNode(181, location, flags); + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.equalsGreaterThanToken = equalsGreaterThanToken || createToken(35); + node.body = parenthesizeConciseBody(body); + return node; } - ts.createSourceFile = createSourceFile; - function isExternalModule(file) { - return file.externalModuleIndicator !== undefined; + ts.createArrowFunction = createArrowFunction; + function updateArrowFunction(node, modifiers, typeParameters, parameters, type, body) { + if (node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createArrowFunction(modifiers, typeParameters, parameters, type, node.equalsGreaterThanToken, body, node, node.flags), node); + } + return node; } - ts.isExternalModule = isExternalModule; - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + ts.updateArrowFunction = updateArrowFunction; + function createDelete(expression, location) { + var node = createNode(182, location); + node.expression = parenthesizePrefixOperand(expression); + return node; } - ts.updateSourceFile = updateSourceFile; - function parseIsolatedJSDocComment(content, start, length) { - var result = Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); - if (result && result.jsDoc) { - Parser.fixupParentReferences(result.jsDoc); + ts.createDelete = createDelete; + function updateDelete(node, expression) { + if (node.expression !== expression) { + return updateNode(createDelete(expression, node), expression); } - return result; + return node; } - ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocTypeExpressionForTests(content, start, length) { - return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + ts.updateDelete = updateDelete; + function createTypeOf(expression, location) { + var node = createNode(183, location); + node.expression = parenthesizePrefixOperand(expression); + return node; } - ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; - var Parser; - (function (Parser) { - var scanner = ts.createScanner(4, true); - var disallowInAndDecoratorContext = 32768 | 131072; - var NodeConstructor; - var TokenConstructor; - var IdentifierConstructor; - var SourceFileConstructor; - var sourceFile; - var parseDiagnostics; - var syntaxCursor; - var currentToken; - var sourceText; - var nodeCount; - var identifiers; - var identifierCount; - var parsingContext; - var contextFlags; - var parseErrorBeforeNextFinishedNode = false; - function parseSourceFile(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes, scriptKind) { - scriptKind = ts.ensureScriptKind(fileName, scriptKind); - initializeState(sourceText, languageVersion, syntaxCursor, scriptKind); - var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind); - clearState(); - return result; + ts.createTypeOf = createTypeOf; + function updateTypeOf(node, expression) { + if (node.expression !== expression) { + return updateNode(createTypeOf(expression, node), expression); } - Parser.parseSourceFile = parseSourceFile; - function getLanguageVariant(scriptKind) { - return scriptKind === 4 || scriptKind === 2 || scriptKind === 1 ? 1 : 0; + return node; + } + ts.updateTypeOf = updateTypeOf; + function createVoid(expression, location) { + var node = createNode(184, location); + node.expression = parenthesizePrefixOperand(expression); + return node; + } + ts.createVoid = createVoid; + function updateVoid(node, expression) { + if (node.expression !== expression) { + return updateNode(createVoid(expression, node), node); } - function initializeState(_sourceText, languageVersion, _syntaxCursor, scriptKind) { - NodeConstructor = ts.objectAllocator.getNodeConstructor(); - TokenConstructor = ts.objectAllocator.getTokenConstructor(); - IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor(); - SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); - sourceText = _sourceText; - syntaxCursor = _syntaxCursor; - parseDiagnostics = []; - parsingContext = 0; - identifiers = ts.createMap(); - identifierCount = 0; - nodeCount = 0; - contextFlags = scriptKind === 1 || scriptKind === 2 ? 1048576 : 0; - parseErrorBeforeNextFinishedNode = false; - scanner.setText(sourceText); - scanner.setOnError(scanError); - scanner.setScriptTarget(languageVersion); - scanner.setLanguageVariant(getLanguageVariant(scriptKind)); + return node; + } + ts.updateVoid = updateVoid; + function createAwait(expression, location) { + var node = createNode(185, location); + node.expression = parenthesizePrefixOperand(expression); + return node; + } + ts.createAwait = createAwait; + function updateAwait(node, expression) { + if (node.expression !== expression) { + return updateNode(createAwait(expression, node), node); } - function clearState() { - scanner.setText(""); - scanner.setOnError(undefined); - parseDiagnostics = undefined; - sourceFile = undefined; - identifiers = undefined; - syntaxCursor = undefined; - sourceText = undefined; - } - function parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind) { - sourceFile = createSourceFile(fileName, languageVersion, scriptKind); - sourceFile.flags = contextFlags; - nextToken(); - processReferenceComments(sourceFile); - sourceFile.statements = parseList(0, parseStatement); - ts.Debug.assert(token() === 1); - sourceFile.endOfFileToken = parseTokenNode(); - setExternalModuleIndicator(sourceFile); - sourceFile.nodeCount = nodeCount; - sourceFile.identifierCount = identifierCount; - sourceFile.identifiers = identifiers; - sourceFile.parseDiagnostics = parseDiagnostics; - if (setParentNodes) { - fixupParentReferences(sourceFile); - } - return sourceFile; - } - function addJSDocComment(node) { - var comments = ts.getJsDocCommentsFromText(node, sourceFile.text); - if (comments) { - for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { - var comment = comments_2[_i]; - var jsDoc = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); - if (!jsDoc) { - continue; - } - if (!node.jsDocComments) { - node.jsDocComments = []; - } - node.jsDocComments.push(jsDoc); - } - } - return node; + return node; + } + ts.updateAwait = updateAwait; + function createPrefix(operator, operand, location) { + var node = createNode(186, location); + node.operator = operator; + node.operand = parenthesizePrefixOperand(operand); + return node; + } + ts.createPrefix = createPrefix; + function updatePrefix(node, operand) { + if (node.operand !== operand) { + return updateNode(createPrefix(node.operator, operand, node), node); } - function fixupParentReferences(rootNode) { - var parent = rootNode; - forEachChild(rootNode, visitNode); - return; - function visitNode(n) { - if (n.parent !== parent) { - n.parent = parent; - var saveParent = parent; - parent = n; - forEachChild(n, visitNode); - if (n.jsDocComments) { - for (var _i = 0, _a = n.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - jsDocComment.parent = n; - parent = jsDocComment; - forEachChild(jsDocComment, visitNode); - } - } - parent = saveParent; - } - } + return node; + } + ts.updatePrefix = updatePrefix; + function createPostfix(operand, operator, location) { + var node = createNode(187, location); + node.operand = parenthesizePostfixOperand(operand); + node.operator = operator; + return node; + } + ts.createPostfix = createPostfix; + function updatePostfix(node, operand) { + if (node.operand !== operand) { + return updateNode(createPostfix(operand, node.operator, node), node); } - Parser.fixupParentReferences = fixupParentReferences; - function createSourceFile(fileName, languageVersion, scriptKind) { - var sourceFile = new SourceFileConstructor(256, 0, sourceText.length); - nodeCount++; - sourceFile.text = sourceText; - sourceFile.bindDiagnostics = []; - sourceFile.languageVersion = languageVersion; - sourceFile.fileName = ts.normalizePath(fileName); - sourceFile.languageVariant = getLanguageVariant(scriptKind); - sourceFile.isDeclarationFile = ts.fileExtensionIs(sourceFile.fileName, ".d.ts"); - sourceFile.scriptKind = scriptKind; - return sourceFile; + return node; + } + ts.updatePostfix = updatePostfix; + function createBinary(left, operator, right, location) { + var operatorToken = typeof operator === "number" ? createToken(operator) : operator; + var operatorKind = operatorToken.kind; + var node = createNode(188, location); + node.left = parenthesizeBinaryOperand(operatorKind, left, true, undefined); + node.operatorToken = operatorToken; + node.right = parenthesizeBinaryOperand(operatorKind, right, false, node.left); + return node; + } + ts.createBinary = createBinary; + function updateBinary(node, left, right) { + if (node.left !== left || node.right !== right) { + return updateNode(createBinary(left, node.operatorToken, right, node), node); } - function setContextFlag(val, flag) { - if (val) { - contextFlags |= flag; - } - else { - contextFlags &= ~flag; - } + return node; + } + ts.updateBinary = updateBinary; + function createConditional(condition, questionToken, whenTrue, colonToken, whenFalse, location) { + var node = createNode(189, location); + node.condition = condition; + node.questionToken = questionToken; + node.whenTrue = whenTrue; + node.colonToken = colonToken; + node.whenFalse = whenFalse; + return node; + } + ts.createConditional = createConditional; + function updateConditional(node, condition, whenTrue, whenFalse) { + if (node.condition !== condition || node.whenTrue !== whenTrue || node.whenFalse !== whenFalse) { + return updateNode(createConditional(condition, node.questionToken, whenTrue, node.colonToken, whenFalse, node), node); } - function setDisallowInContext(val) { - setContextFlag(val, 32768); + return node; + } + ts.updateConditional = updateConditional; + function createTemplateExpression(head, templateSpans, location) { + var node = createNode(190, location); + node.head = head; + node.templateSpans = createNodeArray(templateSpans); + return node; + } + ts.createTemplateExpression = createTemplateExpression; + function updateTemplateExpression(node, head, templateSpans) { + if (node.head !== head || node.templateSpans !== templateSpans) { + return updateNode(createTemplateExpression(head, templateSpans, node), node); } - function setYieldContext(val) { - setContextFlag(val, 65536); + return node; + } + ts.updateTemplateExpression = updateTemplateExpression; + function createYield(asteriskToken, expression, location) { + var node = createNode(191, location); + node.asteriskToken = asteriskToken; + node.expression = expression; + return node; + } + ts.createYield = createYield; + function updateYield(node, expression) { + if (node.expression !== expression) { + return updateNode(createYield(node.asteriskToken, expression, node), node); } - function setDecoratorContext(val) { - setContextFlag(val, 131072); + return node; + } + ts.updateYield = updateYield; + function createSpread(expression, location) { + var node = createNode(192, location); + node.expression = parenthesizeExpressionForList(expression); + return node; + } + ts.createSpread = createSpread; + function updateSpread(node, expression) { + if (node.expression !== expression) { + return updateNode(createSpread(expression, node), node); } - function setAwaitContext(val) { - setContextFlag(val, 262144); + return node; + } + ts.updateSpread = updateSpread; + function createClassExpression(modifiers, name, typeParameters, heritageClauses, members, location) { + var node = createNode(193, location); + node.decorators = undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.heritageClauses = createNodeArray(heritageClauses); + node.members = createNodeArray(members); + return node; + } + ts.createClassExpression = createClassExpression; + function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) { + if (node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { + return updateNode(createClassExpression(modifiers, name, typeParameters, heritageClauses, members, node), node); } - function doOutsideOfContext(context, func) { - var contextFlagsToClear = context & contextFlags; - if (contextFlagsToClear) { - setContextFlag(false, contextFlagsToClear); - var result = func(); - setContextFlag(true, contextFlagsToClear); - return result; - } - return func(); + return node; + } + ts.updateClassExpression = updateClassExpression; + function createOmittedExpression(location) { + var node = createNode(194, location); + return node; + } + ts.createOmittedExpression = createOmittedExpression; + function createExpressionWithTypeArguments(typeArguments, expression, location) { + var node = createNode(195, location); + node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; + node.expression = parenthesizeForAccess(expression); + return node; + } + ts.createExpressionWithTypeArguments = createExpressionWithTypeArguments; + function updateExpressionWithTypeArguments(node, typeArguments, expression) { + if (node.typeArguments !== typeArguments || node.expression !== expression) { + return updateNode(createExpressionWithTypeArguments(typeArguments, expression, node), node); } - function doInsideOfContext(context, func) { - var contextFlagsToSet = context & ~contextFlags; - if (contextFlagsToSet) { - setContextFlag(true, contextFlagsToSet); - var result = func(); - setContextFlag(false, contextFlagsToSet); - return result; - } - return func(); + return node; + } + ts.updateExpressionWithTypeArguments = updateExpressionWithTypeArguments; + function createTemplateSpan(expression, literal, location) { + var node = createNode(198, location); + node.expression = expression; + node.literal = literal; + return node; + } + ts.createTemplateSpan = createTemplateSpan; + function updateTemplateSpan(node, expression, literal) { + if (node.expression !== expression || node.literal !== literal) { + return updateNode(createTemplateSpan(expression, literal, node), node); } - function allowInAnd(func) { - return doOutsideOfContext(32768, func); + return node; + } + ts.updateTemplateSpan = updateTemplateSpan; + function createBlock(statements, location, multiLine, flags) { + var block = createNode(200, location, flags); + block.statements = createNodeArray(statements); + if (multiLine) { + block.multiLine = true; } - function disallowInAnd(func) { - return doInsideOfContext(32768, func); + return block; + } + ts.createBlock = createBlock; + function updateBlock(node, statements) { + if (statements !== node.statements) { + return updateNode(createBlock(statements, node, node.multiLine, node.flags), node); } - function doInYieldContext(func) { - return doInsideOfContext(65536, func); + return node; + } + ts.updateBlock = updateBlock; + function createVariableStatement(modifiers, declarationList, location, flags) { + var node = createNode(201, location, flags); + node.decorators = undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList; + return node; + } + ts.createVariableStatement = createVariableStatement; + function updateVariableStatement(node, modifiers, declarationList) { + if (node.modifiers !== modifiers || node.declarationList !== declarationList) { + return updateNode(createVariableStatement(modifiers, declarationList, node, node.flags), node); } - function doInDecoratorContext(func) { - return doInsideOfContext(131072, func); + return node; + } + ts.updateVariableStatement = updateVariableStatement; + function createVariableDeclarationList(declarations, location, flags) { + var node = createNode(220, location, flags); + node.declarations = createNodeArray(declarations); + return node; + } + ts.createVariableDeclarationList = createVariableDeclarationList; + function updateVariableDeclarationList(node, declarations) { + if (node.declarations !== declarations) { + return updateNode(createVariableDeclarationList(declarations, node, node.flags), node); } - function doInAwaitContext(func) { - return doInsideOfContext(262144, func); + return node; + } + ts.updateVariableDeclarationList = updateVariableDeclarationList; + function createVariableDeclaration(name, type, initializer, location, flags) { + var node = createNode(219, location, flags); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.type = type; + node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; + return node; + } + ts.createVariableDeclaration = createVariableDeclaration; + function updateVariableDeclaration(node, name, type, initializer) { + if (node.name !== name || node.type !== type || node.initializer !== initializer) { + return updateNode(createVariableDeclaration(name, type, initializer, node, node.flags), node); } - function doOutsideOfAwaitContext(func) { - return doOutsideOfContext(262144, func); + return node; + } + ts.updateVariableDeclaration = updateVariableDeclaration; + function createEmptyStatement(location) { + return createNode(202, location); + } + ts.createEmptyStatement = createEmptyStatement; + function createStatement(expression, location, flags) { + var node = createNode(203, location, flags); + node.expression = parenthesizeExpressionForExpressionStatement(expression); + return node; + } + ts.createStatement = createStatement; + function updateStatement(node, expression) { + if (node.expression !== expression) { + return updateNode(createStatement(expression, node, node.flags), node); } - function doInYieldAndAwaitContext(func) { - return doInsideOfContext(65536 | 262144, func); + return node; + } + ts.updateStatement = updateStatement; + function createIf(expression, thenStatement, elseStatement, location) { + var node = createNode(204, location); + node.expression = expression; + node.thenStatement = thenStatement; + node.elseStatement = elseStatement; + return node; + } + ts.createIf = createIf; + function updateIf(node, expression, thenStatement, elseStatement) { + if (node.expression !== expression || node.thenStatement !== thenStatement || node.elseStatement !== elseStatement) { + return updateNode(createIf(expression, thenStatement, elseStatement, node), node); } - function inContext(flags) { - return (contextFlags & flags) !== 0; + return node; + } + ts.updateIf = updateIf; + function createDo(statement, expression, location) { + var node = createNode(205, location); + node.statement = statement; + node.expression = expression; + return node; + } + ts.createDo = createDo; + function updateDo(node, statement, expression) { + if (node.statement !== statement || node.expression !== expression) { + return updateNode(createDo(statement, expression, node), node); } - function inYieldContext() { - return inContext(65536); + return node; + } + ts.updateDo = updateDo; + function createWhile(expression, statement, location) { + var node = createNode(206, location); + node.expression = expression; + node.statement = statement; + return node; + } + ts.createWhile = createWhile; + function updateWhile(node, expression, statement) { + if (node.expression !== expression || node.statement !== statement) { + return updateNode(createWhile(expression, statement, node), node); } - function inDisallowInContext() { - return inContext(32768); + return node; + } + ts.updateWhile = updateWhile; + function createFor(initializer, condition, incrementor, statement, location) { + var node = createNode(207, location, undefined); + node.initializer = initializer; + node.condition = condition; + node.incrementor = incrementor; + node.statement = statement; + return node; + } + ts.createFor = createFor; + function updateFor(node, initializer, condition, incrementor, statement) { + if (node.initializer !== initializer || node.condition !== condition || node.incrementor !== incrementor || node.statement !== statement) { + return updateNode(createFor(initializer, condition, incrementor, statement, node), node); } - function inDecoratorContext() { - return inContext(131072); + return node; + } + ts.updateFor = updateFor; + function createForIn(initializer, expression, statement, location) { + var node = createNode(208, location); + node.initializer = initializer; + node.expression = expression; + node.statement = statement; + return node; + } + ts.createForIn = createForIn; + function updateForIn(node, initializer, expression, statement) { + if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { + return updateNode(createForIn(initializer, expression, statement, node), node); } - function inAwaitContext() { - return inContext(262144); + return node; + } + ts.updateForIn = updateForIn; + function createForOf(initializer, expression, statement, location) { + var node = createNode(209, location); + node.initializer = initializer; + node.expression = expression; + node.statement = statement; + return node; + } + ts.createForOf = createForOf; + function updateForOf(node, initializer, expression, statement) { + if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { + return updateNode(createForOf(initializer, expression, statement, node), node); } - function parseErrorAtCurrentToken(message, arg0) { - var start = scanner.getTokenPos(); - var length = scanner.getTextPos() - start; - parseErrorAtPosition(start, length, message, arg0); + return node; + } + ts.updateForOf = updateForOf; + function createContinue(label, location) { + var node = createNode(210, location); + if (label) { + node.label = label; } - function parseErrorAtPosition(start, length, message, arg0) { - var lastError = ts.lastOrUndefined(parseDiagnostics); - if (!lastError || start !== lastError.start) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); - } - parseErrorBeforeNextFinishedNode = true; + return node; + } + ts.createContinue = createContinue; + function updateContinue(node, label) { + if (node.label !== label) { + return updateNode(createContinue(label, node), node); } - function scanError(message, length) { - var pos = scanner.getTextPos(); - parseErrorAtPosition(pos, length || 0, message); + return node; + } + ts.updateContinue = updateContinue; + function createBreak(label, location) { + var node = createNode(211, location); + if (label) { + node.label = label; } - function getNodePos() { - return scanner.getStartPos(); + return node; + } + ts.createBreak = createBreak; + function updateBreak(node, label) { + if (node.label !== label) { + return updateNode(createBreak(label, node), node); } - function getNodeEnd() { - return scanner.getStartPos(); + return node; + } + ts.updateBreak = updateBreak; + function createReturn(expression, location) { + var node = createNode(212, location); + node.expression = expression; + return node; + } + ts.createReturn = createReturn; + function updateReturn(node, expression) { + if (node.expression !== expression) { + return updateNode(createReturn(expression, node), node); } - function token() { - return currentToken; + return node; + } + ts.updateReturn = updateReturn; + function createWith(expression, statement, location) { + var node = createNode(213, location); + node.expression = expression; + node.statement = statement; + return node; + } + ts.createWith = createWith; + function updateWith(node, expression, statement) { + if (node.expression !== expression || node.statement !== statement) { + return updateNode(createWith(expression, statement, node), node); } - function nextToken() { - return currentToken = scanner.scan(); + return node; + } + ts.updateWith = updateWith; + function createSwitch(expression, caseBlock, location) { + var node = createNode(214, location); + node.expression = parenthesizeExpressionForList(expression); + node.caseBlock = caseBlock; + return node; + } + ts.createSwitch = createSwitch; + function updateSwitch(node, expression, caseBlock) { + if (node.expression !== expression || node.caseBlock !== caseBlock) { + return updateNode(createSwitch(expression, caseBlock, node), node); } - function reScanGreaterToken() { - return currentToken = scanner.reScanGreaterToken(); - } - function reScanSlashToken() { - return currentToken = scanner.reScanSlashToken(); - } - function reScanTemplateToken() { - return currentToken = scanner.reScanTemplateToken(); - } - function scanJsxIdentifier() { - return currentToken = scanner.scanJsxIdentifier(); + return node; + } + ts.updateSwitch = updateSwitch; + function createLabel(label, statement, location) { + var node = createNode(215, location); + node.label = typeof label === "string" ? createIdentifier(label) : label; + node.statement = statement; + return node; + } + ts.createLabel = createLabel; + function updateLabel(node, label, statement) { + if (node.label !== label || node.statement !== statement) { + return updateNode(createLabel(label, statement, node), node); } - function scanJsxText() { - return currentToken = scanner.scanJsxToken(); + return node; + } + ts.updateLabel = updateLabel; + function createThrow(expression, location) { + var node = createNode(216, location); + node.expression = expression; + return node; + } + ts.createThrow = createThrow; + function updateThrow(node, expression) { + if (node.expression !== expression) { + return updateNode(createThrow(expression, node), node); } - function scanJsxAttributeValue() { - return currentToken = scanner.scanJsxAttributeValue(); + return node; + } + ts.updateThrow = updateThrow; + function createTry(tryBlock, catchClause, finallyBlock, location) { + var node = createNode(217, location); + node.tryBlock = tryBlock; + node.catchClause = catchClause; + node.finallyBlock = finallyBlock; + return node; + } + ts.createTry = createTry; + function updateTry(node, tryBlock, catchClause, finallyBlock) { + if (node.tryBlock !== tryBlock || node.catchClause !== catchClause || node.finallyBlock !== finallyBlock) { + return updateNode(createTry(tryBlock, catchClause, finallyBlock, node), node); } - function speculationHelper(callback, isLookAhead) { - var saveToken = currentToken; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var saveContextFlags = contextFlags; - var result = isLookAhead - ? scanner.lookAhead(callback) - : scanner.tryScan(callback); - ts.Debug.assert(saveContextFlags === contextFlags); - if (!result || isLookAhead) { - currentToken = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - } - return result; + return node; + } + ts.updateTry = updateTry; + function createCaseBlock(clauses, location) { + var node = createNode(228, location); + node.clauses = createNodeArray(clauses); + return node; + } + ts.createCaseBlock = createCaseBlock; + function updateCaseBlock(node, clauses) { + if (node.clauses !== clauses) { + return updateNode(createCaseBlock(clauses, node), node); } - function lookAhead(callback) { - return speculationHelper(callback, true); + return node; + } + ts.updateCaseBlock = updateCaseBlock; + function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { + var node = createNode(221, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.asteriskToken = asteriskToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; + return node; + } + ts.createFunctionDeclaration = createFunctionDeclaration; + function updateFunctionDeclaration(node, decorators, modifiers, name, typeParameters, parameters, type, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createFunctionDeclaration(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); } - function tryParse(callback) { - return speculationHelper(callback, false); + return node; + } + ts.updateFunctionDeclaration = updateFunctionDeclaration; + function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, location) { + var node = createNode(222, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.heritageClauses = createNodeArray(heritageClauses); + node.members = createNodeArray(members); + return node; + } + ts.createClassDeclaration = createClassDeclaration; + function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { + return updateNode(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, node), node); } - function isIdentifier() { - if (token() === 70) { - return true; - } - if (token() === 115 && inYieldContext()) { - return false; - } - if (token() === 120 && inAwaitContext()) { - return false; - } - return token() > 106; + return node; + } + ts.updateClassDeclaration = updateClassDeclaration; + function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, location) { + var node = createNode(231, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.importClause = importClause; + node.moduleSpecifier = moduleSpecifier; + return node; + } + ts.createImportDeclaration = createImportDeclaration; + function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.importClause !== importClause || node.moduleSpecifier !== moduleSpecifier) { + return updateNode(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, node), node); } - function parseExpected(kind, diagnosticMessage, shouldAdvance) { - if (shouldAdvance === void 0) { shouldAdvance = true; } - if (token() === kind) { - if (shouldAdvance) { - nextToken(); - } - return true; - } - if (diagnosticMessage) { - parseErrorAtCurrentToken(diagnosticMessage); - } - else { - parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); - } - return false; + return node; + } + ts.updateImportDeclaration = updateImportDeclaration; + function createImportClause(name, namedBindings, location) { + var node = createNode(232, location); + node.name = name; + node.namedBindings = namedBindings; + return node; + } + ts.createImportClause = createImportClause; + function updateImportClause(node, name, namedBindings) { + if (node.name !== name || node.namedBindings !== namedBindings) { + return updateNode(createImportClause(name, namedBindings, node), node); } - function parseOptional(t) { - if (token() === t) { - nextToken(); - return true; - } - return false; + return node; + } + ts.updateImportClause = updateImportClause; + function createNamespaceImport(name, location) { + var node = createNode(233, location); + node.name = name; + return node; + } + ts.createNamespaceImport = createNamespaceImport; + function updateNamespaceImport(node, name) { + if (node.name !== name) { + return updateNode(createNamespaceImport(name, node), node); } - function parseOptionalToken(t) { - if (token() === t) { - return parseTokenNode(); - } - return undefined; + return node; + } + ts.updateNamespaceImport = updateNamespaceImport; + function createNamedImports(elements, location) { + var node = createNode(234, location); + node.elements = createNodeArray(elements); + return node; + } + ts.createNamedImports = createNamedImports; + function updateNamedImports(node, elements) { + if (node.elements !== elements) { + return updateNode(createNamedImports(elements, node), node); } - function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { - return parseOptionalToken(t) || - createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + return node; + } + ts.updateNamedImports = updateNamedImports; + function createImportSpecifier(propertyName, name, location) { + var node = createNode(235, location); + node.propertyName = propertyName; + node.name = name; + return node; + } + ts.createImportSpecifier = createImportSpecifier; + function updateImportSpecifier(node, propertyName, name) { + if (node.propertyName !== propertyName || node.name !== name) { + return updateNode(createImportSpecifier(propertyName, name, node), node); } - function parseTokenNode() { - var node = createNode(token()); - nextToken(); - return finishNode(node); + return node; + } + ts.updateImportSpecifier = updateImportSpecifier; + function createExportAssignment(decorators, modifiers, isExportEquals, expression, location) { + var node = createNode(236, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.isExportEquals = isExportEquals; + node.expression = expression; + return node; + } + ts.createExportAssignment = createExportAssignment; + function updateExportAssignment(node, decorators, modifiers, expression) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.expression !== expression) { + return updateNode(createExportAssignment(decorators, modifiers, node.isExportEquals, expression, node), node); } - function canParseSemicolon() { - if (token() === 24) { - return true; - } - return token() === 17 || token() === 1 || scanner.hasPrecedingLineBreak(); + return node; + } + ts.updateExportAssignment = updateExportAssignment; + function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, location) { + var node = createNode(237, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.exportClause = exportClause; + node.moduleSpecifier = moduleSpecifier; + return node; + } + ts.createExportDeclaration = createExportDeclaration; + function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.exportClause !== exportClause || node.moduleSpecifier !== moduleSpecifier) { + return updateNode(createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, node), node); } - function parseSemicolon() { - if (canParseSemicolon()) { - if (token() === 24) { - nextToken(); - } - return true; - } - else { - return parseExpected(24); - } + return node; + } + ts.updateExportDeclaration = updateExportDeclaration; + function createNamedExports(elements, location) { + var node = createNode(238, location); + node.elements = createNodeArray(elements); + return node; + } + ts.createNamedExports = createNamedExports; + function updateNamedExports(node, elements) { + if (node.elements !== elements) { + return updateNode(createNamedExports(elements, node), node); } - function createNode(kind, pos) { - nodeCount++; - if (!(pos >= 0)) { - pos = scanner.getStartPos(); - } - return kind >= 140 ? new NodeConstructor(kind, pos, pos) : - kind === 70 ? new IdentifierConstructor(kind, pos, pos) : - new TokenConstructor(kind, pos, pos); + return node; + } + ts.updateNamedExports = updateNamedExports; + function createExportSpecifier(name, propertyName, location) { + var node = createNode(239, location); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; + return node; + } + ts.createExportSpecifier = createExportSpecifier; + function updateExportSpecifier(node, name, propertyName) { + if (node.name !== name || node.propertyName !== propertyName) { + return updateNode(createExportSpecifier(name, propertyName, node), node); } - function createNodeArray(elements, pos) { - var array = (elements || []); - if (!(pos >= 0)) { - pos = getNodePos(); - } - array.pos = pos; - array.end = pos; - return array; + return node; + } + ts.updateExportSpecifier = updateExportSpecifier; + function createJsxElement(openingElement, children, closingElement, location) { + var node = createNode(242, location); + node.openingElement = openingElement; + node.children = createNodeArray(children); + node.closingElement = closingElement; + return node; + } + ts.createJsxElement = createJsxElement; + function updateJsxElement(node, openingElement, children, closingElement) { + if (node.openingElement !== openingElement || node.children !== children || node.closingElement !== closingElement) { + return updateNode(createJsxElement(openingElement, children, closingElement, node), node); } - function finishNode(node, end) { - node.end = end === undefined ? scanner.getStartPos() : end; - if (contextFlags) { - node.flags |= contextFlags; - } - if (parseErrorBeforeNextFinishedNode) { - parseErrorBeforeNextFinishedNode = false; - node.flags |= 524288; - } - return node; + return node; + } + ts.updateJsxElement = updateJsxElement; + function createJsxSelfClosingElement(tagName, attributes, location) { + var node = createNode(243, location); + node.tagName = tagName; + node.attributes = createNodeArray(attributes); + return node; + } + ts.createJsxSelfClosingElement = createJsxSelfClosingElement; + function updateJsxSelfClosingElement(node, tagName, attributes) { + if (node.tagName !== tagName || node.attributes !== attributes) { + return updateNode(createJsxSelfClosingElement(tagName, attributes, node), node); } - function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { - if (reportAtCurrentPosition) { - parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); - } - else { - parseErrorAtCurrentToken(diagnosticMessage, arg0); - } - var result = createNode(kind, scanner.getStartPos()); - result.text = ""; - return finishNode(result); + return node; + } + ts.updateJsxSelfClosingElement = updateJsxSelfClosingElement; + function createJsxOpeningElement(tagName, attributes, location) { + var node = createNode(244, location); + node.tagName = tagName; + node.attributes = createNodeArray(attributes); + return node; + } + ts.createJsxOpeningElement = createJsxOpeningElement; + function updateJsxOpeningElement(node, tagName, attributes) { + if (node.tagName !== tagName || node.attributes !== attributes) { + return updateNode(createJsxOpeningElement(tagName, attributes, node), node); } - function internIdentifier(text) { - text = ts.escapeIdentifier(text); - return identifiers[text] || (identifiers[text] = text); + return node; + } + ts.updateJsxOpeningElement = updateJsxOpeningElement; + function createJsxClosingElement(tagName, location) { + var node = createNode(245, location); + node.tagName = tagName; + return node; + } + ts.createJsxClosingElement = createJsxClosingElement; + function updateJsxClosingElement(node, tagName) { + if (node.tagName !== tagName) { + return updateNode(createJsxClosingElement(tagName, node), node); } - function createIdentifier(isIdentifier, diagnosticMessage) { - identifierCount++; - if (isIdentifier) { - var node = createNode(70); - if (token() !== 70) { - node.originalKeywordKind = token(); - } - node.text = internIdentifier(scanner.getTokenValue()); - nextToken(); - return finishNode(node); - } - return createMissingNode(70, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + return node; + } + ts.updateJsxClosingElement = updateJsxClosingElement; + function createJsxAttribute(name, initializer, location) { + var node = createNode(246, location); + node.name = name; + node.initializer = initializer; + return node; + } + ts.createJsxAttribute = createJsxAttribute; + function updateJsxAttribute(node, name, initializer) { + if (node.name !== name || node.initializer !== initializer) { + return updateNode(createJsxAttribute(name, initializer, node), node); } - function parseIdentifier(diagnosticMessage) { - return createIdentifier(isIdentifier(), diagnosticMessage); + return node; + } + ts.updateJsxAttribute = updateJsxAttribute; + function createJsxSpreadAttribute(expression, location) { + var node = createNode(247, location); + node.expression = expression; + return node; + } + ts.createJsxSpreadAttribute = createJsxSpreadAttribute; + function updateJsxSpreadAttribute(node, expression) { + if (node.expression !== expression) { + return updateNode(createJsxSpreadAttribute(expression, node), node); } - function parseIdentifierName() { - return createIdentifier(ts.tokenIsIdentifierOrKeyword(token())); + return node; + } + ts.updateJsxSpreadAttribute = updateJsxSpreadAttribute; + function createJsxExpression(expression, location) { + var node = createNode(248, location); + node.expression = expression; + return node; + } + ts.createJsxExpression = createJsxExpression; + function updateJsxExpression(node, expression) { + if (node.expression !== expression) { + return updateNode(createJsxExpression(expression, node), node); } - function isLiteralPropertyName() { - return ts.tokenIsIdentifierOrKeyword(token()) || - token() === 9 || - token() === 8; + return node; + } + ts.updateJsxExpression = updateJsxExpression; + function createHeritageClause(token, types, location) { + var node = createNode(251, location); + node.token = token; + node.types = createNodeArray(types); + return node; + } + ts.createHeritageClause = createHeritageClause; + function updateHeritageClause(node, types) { + if (node.types !== types) { + return updateNode(createHeritageClause(node.token, types, node), node); } - function parsePropertyNameWorker(allowComputedPropertyNames) { - if (token() === 9 || token() === 8) { - return parseLiteralNode(true); - } - if (allowComputedPropertyNames && token() === 20) { - return parseComputedPropertyName(); - } - return parseIdentifierName(); + return node; + } + ts.updateHeritageClause = updateHeritageClause; + function createCaseClause(expression, statements, location) { + var node = createNode(249, location); + node.expression = parenthesizeExpressionForList(expression); + node.statements = createNodeArray(statements); + return node; + } + ts.createCaseClause = createCaseClause; + function updateCaseClause(node, expression, statements) { + if (node.expression !== expression || node.statements !== statements) { + return updateNode(createCaseClause(expression, statements, node), node); } - function parsePropertyName() { - return parsePropertyNameWorker(true); + return node; + } + ts.updateCaseClause = updateCaseClause; + function createDefaultClause(statements, location) { + var node = createNode(250, location); + node.statements = createNodeArray(statements); + return node; + } + ts.createDefaultClause = createDefaultClause; + function updateDefaultClause(node, statements) { + if (node.statements !== statements) { + return updateNode(createDefaultClause(statements, node), node); } - function parseSimplePropertyName() { - return parsePropertyNameWorker(false); + return node; + } + ts.updateDefaultClause = updateDefaultClause; + function createCatchClause(variableDeclaration, block, location) { + var node = createNode(252, location); + node.variableDeclaration = typeof variableDeclaration === "string" ? createVariableDeclaration(variableDeclaration) : variableDeclaration; + node.block = block; + return node; + } + ts.createCatchClause = createCatchClause; + function updateCatchClause(node, variableDeclaration, block) { + if (node.variableDeclaration !== variableDeclaration || node.block !== block) { + return updateNode(createCatchClause(variableDeclaration, block, node), node); } - function isSimplePropertyName() { - return token() === 9 || token() === 8 || ts.tokenIsIdentifierOrKeyword(token()); + return node; + } + ts.updateCatchClause = updateCatchClause; + function createPropertyAssignment(name, initializer, location) { + var node = createNode(253, location); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.questionToken = undefined; + node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; + return node; + } + ts.createPropertyAssignment = createPropertyAssignment; + function updatePropertyAssignment(node, name, initializer) { + if (node.name !== name || node.initializer !== initializer) { + return updateNode(createPropertyAssignment(name, initializer, node), node); } - function parseComputedPropertyName() { - var node = createNode(141); - parseExpected(20); - node.expression = allowInAnd(parseExpression); - parseExpected(21); - return finishNode(node); + return node; + } + ts.updatePropertyAssignment = updatePropertyAssignment; + function createShorthandPropertyAssignment(name, objectAssignmentInitializer, location) { + var node = createNode(254, location); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.objectAssignmentInitializer = objectAssignmentInitializer !== undefined ? parenthesizeExpressionForList(objectAssignmentInitializer) : undefined; + return node; + } + ts.createShorthandPropertyAssignment = createShorthandPropertyAssignment; + function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) { + if (node.name !== name || node.objectAssignmentInitializer !== objectAssignmentInitializer) { + return updateNode(createShorthandPropertyAssignment(name, objectAssignmentInitializer, node), node); } - function parseContextualModifier(t) { - return token() === t && tryParse(nextTokenCanFollowModifier); + return node; + } + ts.updateShorthandPropertyAssignment = updateShorthandPropertyAssignment; + function updateSourceFileNode(node, statements) { + if (node.statements !== statements) { + var updated = createNode(256, node, node.flags); + updated.statements = createNodeArray(statements); + updated.endOfFileToken = node.endOfFileToken; + updated.fileName = node.fileName; + updated.path = node.path; + updated.text = node.text; + if (node.amdDependencies !== undefined) + updated.amdDependencies = node.amdDependencies; + if (node.moduleName !== undefined) + updated.moduleName = node.moduleName; + if (node.referencedFiles !== undefined) + updated.referencedFiles = node.referencedFiles; + if (node.typeReferenceDirectives !== undefined) + updated.typeReferenceDirectives = node.typeReferenceDirectives; + if (node.languageVariant !== undefined) + updated.languageVariant = node.languageVariant; + if (node.isDeclarationFile !== undefined) + updated.isDeclarationFile = node.isDeclarationFile; + if (node.renamedDependencies !== undefined) + updated.renamedDependencies = node.renamedDependencies; + if (node.hasNoDefaultLib !== undefined) + updated.hasNoDefaultLib = node.hasNoDefaultLib; + if (node.languageVersion !== undefined) + updated.languageVersion = node.languageVersion; + if (node.scriptKind !== undefined) + updated.scriptKind = node.scriptKind; + if (node.externalModuleIndicator !== undefined) + updated.externalModuleIndicator = node.externalModuleIndicator; + if (node.commonJsModuleIndicator !== undefined) + updated.commonJsModuleIndicator = node.commonJsModuleIndicator; + if (node.identifiers !== undefined) + updated.identifiers = node.identifiers; + if (node.nodeCount !== undefined) + updated.nodeCount = node.nodeCount; + if (node.identifierCount !== undefined) + updated.identifierCount = node.identifierCount; + if (node.symbolCount !== undefined) + updated.symbolCount = node.symbolCount; + if (node.parseDiagnostics !== undefined) + updated.parseDiagnostics = node.parseDiagnostics; + if (node.bindDiagnostics !== undefined) + updated.bindDiagnostics = node.bindDiagnostics; + if (node.lineMap !== undefined) + updated.lineMap = node.lineMap; + if (node.classifiableNames !== undefined) + updated.classifiableNames = node.classifiableNames; + if (node.resolvedModules !== undefined) + updated.resolvedModules = node.resolvedModules; + if (node.resolvedTypeReferenceDirectiveNames !== undefined) + updated.resolvedTypeReferenceDirectiveNames = node.resolvedTypeReferenceDirectiveNames; + if (node.imports !== undefined) + updated.imports = node.imports; + if (node.moduleAugmentations !== undefined) + updated.moduleAugmentations = node.moduleAugmentations; + if (node.externalHelpersModuleName !== undefined) + updated.externalHelpersModuleName = node.externalHelpersModuleName; + return updateNode(updated, node); } - function nextTokenIsOnSameLineAndCanFollowModifier() { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - return canFollowModifier(); + return node; + } + ts.updateSourceFileNode = updateSourceFileNode; + function createNotEmittedStatement(original) { + var node = createNode(287, original); + node.original = original; + return node; + } + ts.createNotEmittedStatement = createNotEmittedStatement; + function createPartiallyEmittedExpression(expression, original, location) { + var node = createNode(288, location || original); + node.expression = expression; + node.original = original; + return node; + } + ts.createPartiallyEmittedExpression = createPartiallyEmittedExpression; + function updatePartiallyEmittedExpression(node, expression) { + if (node.expression !== expression) { + return updateNode(createPartiallyEmittedExpression(expression, node.original, node), node); } - function nextTokenCanFollowModifier() { - if (token() === 75) { - return nextToken() === 82; + return node; + } + ts.updatePartiallyEmittedExpression = updatePartiallyEmittedExpression; + function createComma(left, right) { + return createBinary(left, 25, right); + } + ts.createComma = createComma; + function createLessThan(left, right, location) { + return createBinary(left, 26, right, location); + } + ts.createLessThan = createLessThan; + function createAssignment(left, right, location) { + return createBinary(left, 57, right, location); + } + ts.createAssignment = createAssignment; + function createStrictEquality(left, right) { + return createBinary(left, 33, right); + } + ts.createStrictEquality = createStrictEquality; + function createStrictInequality(left, right) { + return createBinary(left, 34, right); + } + ts.createStrictInequality = createStrictInequality; + function createAdd(left, right) { + return createBinary(left, 36, right); + } + ts.createAdd = createAdd; + function createSubtract(left, right) { + return createBinary(left, 37, right); + } + ts.createSubtract = createSubtract; + function createPostfixIncrement(operand, location) { + return createPostfix(operand, 42, location); + } + ts.createPostfixIncrement = createPostfixIncrement; + function createLogicalAnd(left, right) { + return createBinary(left, 52, right); + } + ts.createLogicalAnd = createLogicalAnd; + function createLogicalOr(left, right) { + return createBinary(left, 53, right); + } + ts.createLogicalOr = createLogicalOr; + function createLogicalNot(operand) { + return createPrefix(50, operand); + } + ts.createLogicalNot = createLogicalNot; + function createVoidZero() { + return createVoid(createLiteral(0)); + } + ts.createVoidZero = createVoidZero; + function createMemberAccessForPropertyName(target, memberName, location) { + if (ts.isComputedPropertyName(memberName)) { + return createElementAccess(target, memberName.expression, location); + } + else { + var expression = ts.isIdentifier(memberName) ? createPropertyAccess(target, memberName, location) : createElementAccess(target, memberName, location); + (expression.emitNode || (expression.emitNode = {})).flags |= 2048; + return expression; + } + } + ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName; + function createRestParameter(name) { + return createParameterDeclaration(undefined, undefined, createToken(23), name, undefined, undefined, undefined); + } + ts.createRestParameter = createRestParameter; + function createFunctionCall(func, thisArg, argumentsList, location) { + return createCall(createPropertyAccess(func, "call"), undefined, [ + thisArg + ].concat(argumentsList), location); + } + ts.createFunctionCall = createFunctionCall; + function createFunctionApply(func, thisArg, argumentsExpression, location) { + return createCall(createPropertyAccess(func, "apply"), undefined, [ + thisArg, + argumentsExpression + ], location); + } + ts.createFunctionApply = createFunctionApply; + function createArraySlice(array, start) { + var argumentsList = []; + if (start !== undefined) { + argumentsList.push(typeof start === "number" ? createLiteral(start) : start); + } + return createCall(createPropertyAccess(array, "slice"), undefined, argumentsList); + } + ts.createArraySlice = createArraySlice; + function createArrayConcat(array, values) { + return createCall(createPropertyAccess(array, "concat"), undefined, values); + } + ts.createArrayConcat = createArrayConcat; + function createMathPow(left, right, location) { + return createCall(createPropertyAccess(createIdentifier("Math"), "pow"), undefined, [left, right], location); + } + ts.createMathPow = createMathPow; + function createReactNamespace(reactNamespace, parent) { + var react = createIdentifier(reactNamespace || "React"); + react.flags &= ~8; + react.parent = ts.getParseTreeNode(parent); + return react; + } + function createReactCreateElement(reactNamespace, tagName, props, children, parentElement, location) { + var argumentsList = [tagName]; + if (props) { + argumentsList.push(props); + } + if (children && children.length > 0) { + if (!props) { + argumentsList.push(createNull()); } - if (token() === 83) { - nextToken(); - if (token() === 78) { - return lookAhead(nextTokenIsClassOrFunctionOrAsync); + if (children.length > 1) { + for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { + var child = children_1[_i]; + child.startsOnNewLine = true; + argumentsList.push(child); } - return token() !== 38 && token() !== 117 && token() !== 16 && canFollowModifier(); } - if (token() === 78) { - return nextTokenIsClassOrFunctionOrAsync(); + else { + argumentsList.push(children[0]); } - if (token() === 114) { - nextToken(); - return canFollowModifier(); + } + return createCall(createPropertyAccess(createReactNamespace(reactNamespace, parentElement), "createElement"), undefined, argumentsList, location); + } + ts.createReactCreateElement = createReactCreateElement; + function createLetDeclarationList(declarations, location) { + return createVariableDeclarationList(declarations, location, 1); + } + ts.createLetDeclarationList = createLetDeclarationList; + function createConstDeclarationList(declarations, location) { + return createVariableDeclarationList(declarations, location, 2); + } + ts.createConstDeclarationList = createConstDeclarationList; + function createHelperName(externalHelpersModuleName, name) { + return externalHelpersModuleName + ? createPropertyAccess(externalHelpersModuleName, name) + : createIdentifier(name); + } + ts.createHelperName = createHelperName; + function createExtendsHelper(externalHelpersModuleName, name) { + return createCall(createHelperName(externalHelpersModuleName, "__extends"), undefined, [ + name, + createIdentifier("_super") + ]); + } + ts.createExtendsHelper = createExtendsHelper; + function createAssignHelper(externalHelpersModuleName, attributesSegments) { + return createCall(createHelperName(externalHelpersModuleName, "__assign"), undefined, attributesSegments); + } + ts.createAssignHelper = createAssignHelper; + function createParamHelper(externalHelpersModuleName, expression, parameterOffset, location) { + return createCall(createHelperName(externalHelpersModuleName, "__param"), undefined, [ + createLiteral(parameterOffset), + expression + ], location); + } + ts.createParamHelper = createParamHelper; + function createMetadataHelper(externalHelpersModuleName, metadataKey, metadataValue) { + return createCall(createHelperName(externalHelpersModuleName, "__metadata"), undefined, [ + createLiteral(metadataKey), + metadataValue + ]); + } + ts.createMetadataHelper = createMetadataHelper; + function createDecorateHelper(externalHelpersModuleName, decoratorExpressions, target, memberName, descriptor, location) { + var argumentsArray = []; + argumentsArray.push(createArrayLiteral(decoratorExpressions, undefined, true)); + argumentsArray.push(target); + if (memberName) { + argumentsArray.push(memberName); + if (descriptor) { + argumentsArray.push(descriptor); } - return nextTokenIsOnSameLineAndCanFollowModifier(); } - function parseAnyContextualModifier() { - return ts.isModifierKind(token()) && tryParse(nextTokenCanFollowModifier); + return createCall(createHelperName(externalHelpersModuleName, "__decorate"), undefined, argumentsArray, location); + } + ts.createDecorateHelper = createDecorateHelper; + function createAwaiterHelper(externalHelpersModuleName, hasLexicalArguments, promiseConstructor, body) { + var generatorFunc = createFunctionExpression(undefined, createToken(38), undefined, undefined, [], undefined, body); + (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 2097152; + return createCall(createHelperName(externalHelpersModuleName, "__awaiter"), undefined, [ + createThis(), + hasLexicalArguments ? createIdentifier("arguments") : createVoidZero(), + promiseConstructor ? createExpressionFromEntityName(promiseConstructor) : createVoidZero(), + generatorFunc + ]); + } + ts.createAwaiterHelper = createAwaiterHelper; + function createHasOwnProperty(target, propertyName) { + return createCall(createPropertyAccess(target, "hasOwnProperty"), undefined, [propertyName]); + } + ts.createHasOwnProperty = createHasOwnProperty; + function createObjectCreate(prototype) { + return createCall(createPropertyAccess(createIdentifier("Object"), "create"), undefined, [prototype]); + } + function createGeti(target) { + return createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createElementAccess(target, createIdentifier("name"))); + } + function createSeti(target) { + return createArrowFunction(undefined, undefined, [ + createParameter("name"), + createParameter("value") + ], undefined, undefined, createAssignment(createElementAccess(target, createIdentifier("name")), createIdentifier("value"))); + } + function createAdvancedAsyncSuperHelper() { + var createCache = createVariableStatement(undefined, createConstDeclarationList([ + createVariableDeclaration("cache", undefined, createObjectCreate(createNull())) + ])); + var getter = createGetAccessor(undefined, undefined, "value", [], undefined, createBlock([ + createReturn(createCall(createIdentifier("geti"), undefined, [createIdentifier("name")])) + ])); + var setter = createSetAccessor(undefined, undefined, "value", [createParameter("v")], createBlock([ + createStatement(createCall(createIdentifier("seti"), undefined, [ + createIdentifier("name"), + createIdentifier("v") + ])) + ])); + var getOrCreateAccessorsForName = createReturn(createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createLogicalOr(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createParen(createAssignment(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createObjectLiteral([ + getter, + setter + ])))))); + return createVariableStatement(undefined, createConstDeclarationList([ + createVariableDeclaration("_super", undefined, createCall(createParen(createFunctionExpression(undefined, undefined, undefined, undefined, [ + createParameter("geti"), + createParameter("seti") + ], undefined, createBlock([ + createCache, + getOrCreateAccessorsForName + ]))), undefined, [ + createGeti(createSuper()), + createSeti(createSuper()) + ])) + ])); + } + ts.createAdvancedAsyncSuperHelper = createAdvancedAsyncSuperHelper; + function createSimpleAsyncSuperHelper() { + return createVariableStatement(undefined, createConstDeclarationList([ + createVariableDeclaration("_super", undefined, createGeti(createSuper())) + ])); + } + ts.createSimpleAsyncSuperHelper = createSimpleAsyncSuperHelper; + function shouldBeCapturedInTempVariable(node, cacheIdentifiers) { + var target = skipParentheses(node); + switch (target.kind) { + case 70: + return cacheIdentifiers; + case 98: + case 8: + case 9: + return false; + case 171: + var elements = target.elements; + if (elements.length === 0) { + return false; + } + return true; + case 172: + return target.properties.length > 0; + default: + return true; } - function canFollowModifier() { - return token() === 20 - || token() === 16 - || token() === 38 - || token() === 23 - || isLiteralPropertyName(); + } + function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) { + var callee = skipOuterExpressions(expression, 7); + var thisArg; + var target; + if (ts.isSuperProperty(callee)) { + thisArg = createThis(); + target = callee; } - function nextTokenIsClassOrFunctionOrAsync() { - nextToken(); - return token() === 74 || token() === 88 || - (token() === 119 && lookAhead(nextTokenIsFunctionKeywordOnSameLine)); + else if (callee.kind === 96) { + thisArg = createThis(); + target = languageVersion < 2 ? createIdentifier("_super", callee) : callee; } - function isListElement(parsingContext, inErrorRecovery) { - var node = currentNode(parsingContext); - if (node) { - return true; - } - switch (parsingContext) { - case 0: - case 1: - case 3: - return !(token() === 24 && inErrorRecovery) && isStartOfStatement(); - case 2: - return token() === 72 || token() === 78; - case 4: - return lookAhead(isTypeMemberStart); - case 5: - return lookAhead(isClassMemberStart) || (token() === 24 && !inErrorRecovery); - case 6: - return token() === 20 || isLiteralPropertyName(); - case 12: - return token() === 20 || token() === 38 || isLiteralPropertyName(); - case 9: - return token() === 20 || isLiteralPropertyName(); - case 7: - if (token() === 16) { - return lookAhead(isValidHeritageClauseObjectLiteral); + else { + switch (callee.kind) { + case 173: { + if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { + thisArg = createTempVariable(recordTempVariable); + target = createPropertyAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.name, callee); } - if (!inErrorRecovery) { - return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); + else { + thisArg = callee.expression; + target = callee; + } + break; + } + case 174: { + if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { + thisArg = createTempVariable(recordTempVariable); + target = createElementAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.argumentExpression, callee); } else { - return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + thisArg = callee.expression; + target = callee; } - case 8: - return isIdentifierOrPattern(); - case 10: - return token() === 25 || token() === 23 || isIdentifierOrPattern(); - case 17: - return isIdentifier(); - case 11: - case 15: - return token() === 25 || token() === 23 || isStartOfExpression(); - case 16: - return isStartOfParameter(); - case 18: - case 19: - return token() === 25 || isStartOfType(); - case 20: - return isHeritageClause(); - case 21: - return ts.tokenIsIdentifierOrKeyword(token()); - case 13: - return ts.tokenIsIdentifierOrKeyword(token()) || token() === 16; - case 14: - return true; - case 22: - case 23: - case 25: - return JSDocParser.isJSDocType(); - case 24: - return isSimplePropertyName(); - } - ts.Debug.fail("Non-exhaustive case in 'isListElement'."); - } - function isValidHeritageClauseObjectLiteral() { - ts.Debug.assert(token() === 16); - if (nextToken() === 17) { - var next = nextToken(); - return next === 25 || next === 16 || next === 84 || next === 107; + break; + } + default: { + thisArg = createVoidZero(); + target = parenthesizeForAccess(expression); + break; + } } - return true; - } - function nextTokenIsIdentifier() { - nextToken(); - return isIdentifier(); - } - function nextTokenIsIdentifierOrKeyword() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token()); } - function isHeritageClauseExtendsOrImplementsKeyword() { - if (token() === 107 || - token() === 84) { - return lookAhead(nextTokenIsStartOfExpression); - } - return false; + return { target: target, thisArg: thisArg }; + } + ts.createCallBinding = createCallBinding; + function inlineExpressions(expressions) { + return ts.reduceLeft(expressions, createComma); + } + ts.inlineExpressions = inlineExpressions; + function createExpressionFromEntityName(node) { + if (ts.isQualifiedName(node)) { + var left = createExpressionFromEntityName(node.left); + var right = getMutableClone(node.right); + return createPropertyAccess(left, right, node); } - function nextTokenIsStartOfExpression() { - nextToken(); - return isStartOfExpression(); + else { + return getMutableClone(node); } - function isListTerminator(kind) { - if (token() === 1) { - return true; - } - switch (kind) { - case 1: - case 2: - case 4: - case 5: - case 6: - case 12: - case 9: - case 21: - return token() === 17; - case 3: - return token() === 17 || token() === 72 || token() === 78; - case 7: - return token() === 16 || token() === 84 || token() === 107; - case 8: - return isVariableDeclaratorListTerminator(); - case 17: - return token() === 28 || token() === 18 || token() === 16 || token() === 84 || token() === 107; - case 11: - return token() === 19 || token() === 24; - case 15: - case 19: - case 10: - return token() === 21; - case 16: - return token() === 19 || token() === 21; - case 18: - return token() !== 25; - case 20: - return token() === 16 || token() === 17; - case 13: - return token() === 28 || token() === 40; - case 14: - return token() === 26 && lookAhead(nextTokenIsSlash); - case 22: - return token() === 19 || token() === 55 || token() === 17; - case 23: - return token() === 28 || token() === 17; - case 25: - return token() === 21 || token() === 17; - case 24: - return token() === 17; - } + } + ts.createExpressionFromEntityName = createExpressionFromEntityName; + function createExpressionForPropertyName(memberName) { + if (ts.isIdentifier(memberName)) { + return createLiteral(memberName, undefined); } - function isVariableDeclaratorListTerminator() { - if (canParseSemicolon()) { - return true; - } - if (isInOrOfKeyword(token())) { - return true; + else if (ts.isComputedPropertyName(memberName)) { + return getMutableClone(memberName.expression); + } + else { + return getMutableClone(memberName); + } + } + ts.createExpressionForPropertyName = createExpressionForPropertyName; + function createExpressionForObjectLiteralElementLike(node, property, receiver) { + switch (property.kind) { + case 150: + case 151: + return createExpressionForAccessorDeclaration(node.properties, property, receiver, node.multiLine); + case 253: + return createExpressionForPropertyAssignment(property, receiver); + case 254: + return createExpressionForShorthandPropertyAssignment(property, receiver); + case 148: + return createExpressionForMethodDeclaration(property, receiver); + } + } + ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike; + function createExpressionForAccessorDeclaration(properties, property, receiver, multiLine) { + var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + if (property === firstAccessor) { + var properties_1 = []; + if (getAccessor) { + var getterFunction = createFunctionExpression(getAccessor.modifiers, undefined, undefined, undefined, getAccessor.parameters, undefined, getAccessor.body, getAccessor); + setOriginalNode(getterFunction, getAccessor); + var getter = createPropertyAssignment("get", getterFunction); + properties_1.push(getter); } - if (token() === 35) { - return true; + if (setAccessor) { + var setterFunction = createFunctionExpression(setAccessor.modifiers, undefined, undefined, undefined, setAccessor.parameters, undefined, setAccessor.body, setAccessor); + setOriginalNode(setterFunction, setAccessor); + var setter = createPropertyAssignment("set", setterFunction); + properties_1.push(setter); } - return false; + properties_1.push(createPropertyAssignment("enumerable", createLiteral(true))); + properties_1.push(createPropertyAssignment("configurable", createLiteral(true))); + var expression = createCall(createPropertyAccess(createIdentifier("Object"), "defineProperty"), undefined, [ + receiver, + createExpressionForPropertyName(property.name), + createObjectLiteral(properties_1, undefined, multiLine) + ], firstAccessor); + return ts.aggregateTransformFlags(expression); } - function isInSomeParsingContext() { - for (var kind = 0; kind < 26; kind++) { - if (parsingContext & (1 << kind)) { - if (isListElement(kind, true) || isListTerminator(kind)) { - return true; - } + return undefined; + } + function createExpressionForPropertyAssignment(property, receiver) { + return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), property.initializer, property), property)); + } + function createExpressionForShorthandPropertyAssignment(property, receiver) { + return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), getSynthesizedClone(property.name), property), property)); + } + function createExpressionForMethodDeclaration(method, receiver) { + return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, method.name, method.name), setOriginalNode(createFunctionExpression(method.modifiers, method.asteriskToken, undefined, undefined, method.parameters, undefined, method.body, method), method), method), method)); + } + function isUseStrictPrologue(node) { + return node.expression.text === "use strict"; + } + function addPrologueDirectives(target, source, ensureUseStrict, visitor) { + ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array"); + var foundUseStrict = false; + var statementOffset = 0; + var numStatements = source.length; + while (statementOffset < numStatements) { + var statement = source[statementOffset]; + if (ts.isPrologueDirective(statement)) { + if (isUseStrictPrologue(statement)) { + foundUseStrict = true; } + target.push(statement); } - return false; - } - function parseList(kind, parseElement) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = createNodeArray(); - while (!isListTerminator(kind)) { - if (isListElement(kind, false)) { - var element = parseListElement(kind, parseElement); - result.push(element); - continue; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } + else { + break; } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; + statementOffset++; } - function parseListElement(parsingContext, parseElement) { - var node = currentNode(parsingContext); - if (node) { - return consumeNode(node); - } - return parseElement(); + if (ensureUseStrict && !foundUseStrict) { + target.push(startOnNewLine(createStatement(createLiteral("use strict")))); } - function currentNode(parsingContext) { - if (parseErrorBeforeNextFinishedNode) { - return undefined; - } - if (!syntaxCursor) { - return undefined; - } - var node = syntaxCursor.currentNode(scanner.getStartPos()); - if (ts.nodeIsMissing(node)) { - return undefined; - } - if (node.intersectsChange) { - return undefined; + while (statementOffset < numStatements) { + var statement = source[statementOffset]; + if (getEmitFlags(statement) & 8388608) { + target.push(visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement); } - if (ts.containsParseError(node)) { - return undefined; + else { + break; } - var nodeContextFlags = node.flags & 1540096; - if (nodeContextFlags !== contextFlags) { - return undefined; + statementOffset++; + } + return statementOffset; + } + ts.addPrologueDirectives = addPrologueDirectives; + function ensureUseStrict(node) { + var foundUseStrict = false; + for (var _i = 0, _a = node.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (ts.isPrologueDirective(statement)) { + if (isUseStrictPrologue(statement)) { + foundUseStrict = true; + break; + } } - if (!canReuseNode(node, parsingContext)) { - return undefined; + else { + break; } - return node; } - function consumeNode(node) { - scanner.setTextPos(node.end); - nextToken(); - return node; + if (!foundUseStrict) { + var statements = []; + statements.push(startOnNewLine(createStatement(createLiteral("use strict")))); + return updateSourceFileNode(node, statements.concat(node.statements)); } - function canReuseNode(node, parsingContext) { - switch (parsingContext) { - case 5: - return isReusableClassMember(node); - case 2: - return isReusableSwitchClause(node); - case 0: - case 1: - case 3: - return isReusableStatement(node); - case 6: - return isReusableEnumMember(node); - case 4: - return isReusableTypeMember(node); - case 8: - return isReusableVariableDeclaration(node); - case 16: - return isReusableParameter(node); - case 20: - case 17: - case 19: - case 18: - case 11: - case 12: - case 7: - case 13: - case 14: - } - return false; + return node; + } + ts.ensureUseStrict = ensureUseStrict; + function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { + var skipped = skipPartiallyEmittedExpressions(operand); + if (skipped.kind === 179) { + return operand; } - function isReusableClassMember(node) { - if (node) { - switch (node.kind) { - case 149: - case 154: - case 150: - case 151: - case 146: - case 199: - return true; - case 148: - var methodDeclaration = node; - var nameIsConstructor = methodDeclaration.name.kind === 70 && - methodDeclaration.name.originalKeywordKind === 122; - return !nameIsConstructor; + return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) + ? createParen(operand) + : operand; + } + ts.parenthesizeBinaryOperand = parenthesizeBinaryOperand; + function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { + var binaryOperatorPrecedence = ts.getOperatorPrecedence(188, binaryOperator); + var binaryOperatorAssociativity = ts.getOperatorAssociativity(188, binaryOperator); + var emittedOperand = skipPartiallyEmittedExpressions(operand); + var operandPrecedence = ts.getExpressionPrecedence(emittedOperand); + switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) { + case -1: + if (!isLeftSideOfBinary + && binaryOperatorAssociativity === 1 + && operand.kind === 191) { + return false; } - } - return false; - } - function isReusableSwitchClause(node) { - if (node) { - switch (node.kind) { - case 249: - case 250: - return true; + return true; + case 1: + return false; + case 0: + if (isLeftSideOfBinary) { + return binaryOperatorAssociativity === 1; } - } - return false; - } - function isReusableStatement(node) { - if (node) { - switch (node.kind) { - case 221: - case 201: - case 200: - case 204: - case 203: - case 216: - case 212: - case 214: - case 211: - case 210: - case 208: - case 209: - case 207: - case 206: - case 213: - case 202: - case 217: - case 215: - case 205: - case 218: - case 231: - case 230: - case 237: - case 236: - case 226: - case 222: - case 223: - case 225: - case 224: - return true; + else { + if (ts.isBinaryExpression(emittedOperand) + && emittedOperand.operatorToken.kind === binaryOperator) { + if (operatorHasAssociativeProperty(binaryOperator)) { + return false; + } + if (binaryOperator === 36) { + var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0; + if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) { + return false; + } + } + } + var operandAssociativity = ts.getExpressionAssociativity(emittedOperand); + return operandAssociativity === 0; } + } + } + function operatorHasAssociativeProperty(binaryOperator) { + return binaryOperator === 38 + || binaryOperator === 48 + || binaryOperator === 47 + || binaryOperator === 49; + } + function getLiteralKindOfBinaryPlusOperand(node) { + node = skipPartiallyEmittedExpressions(node); + if (ts.isLiteralKind(node.kind)) { + return node.kind; + } + if (node.kind === 188 && node.operatorToken.kind === 36) { + if (node.cachedLiteralKind !== undefined) { + return node.cachedLiteralKind; } - return false; + var leftKind = getLiteralKindOfBinaryPlusOperand(node.left); + var literalKind = ts.isLiteralKind(leftKind) + && leftKind === getLiteralKindOfBinaryPlusOperand(node.right) + ? leftKind + : 0; + node.cachedLiteralKind = literalKind; + return literalKind; } - function isReusableEnumMember(node) { - return node.kind === 255; + return 0; + } + function parenthesizeForNew(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + switch (emittedExpression.kind) { + case 175: + return createParen(expression); + case 176: + return emittedExpression.arguments + ? expression + : createParen(expression); } - function isReusableTypeMember(node) { - if (node) { - switch (node.kind) { - case 153: - case 147: - case 154: - case 145: - case 152: - return true; + return parenthesizeForAccess(expression); + } + ts.parenthesizeForNew = parenthesizeForNew; + function parenthesizeForAccess(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + if (ts.isLeftHandSideExpression(emittedExpression) + && (emittedExpression.kind !== 176 || emittedExpression.arguments) + && emittedExpression.kind !== 8) { + return expression; + } + return createParen(expression, expression); + } + ts.parenthesizeForAccess = parenthesizeForAccess; + function parenthesizePostfixOperand(operand) { + return ts.isLeftHandSideExpression(operand) + ? operand + : createParen(operand, operand); + } + ts.parenthesizePostfixOperand = parenthesizePostfixOperand; + function parenthesizePrefixOperand(operand) { + return ts.isUnaryExpression(operand) + ? operand + : createParen(operand, operand); + } + ts.parenthesizePrefixOperand = parenthesizePrefixOperand; + function parenthesizeListElements(elements) { + var result; + for (var i = 0; i < elements.length; i++) { + var element = parenthesizeExpressionForList(elements[i]); + if (result !== undefined || element !== elements[i]) { + if (result === undefined) { + result = elements.slice(0, i); } + result.push(element); } - return false; } - function isReusableVariableDeclaration(node) { - if (node.kind !== 219) { - return false; - } - var variableDeclarator = node; - return variableDeclarator.initializer === undefined; + if (result !== undefined) { + return createNodeArray(result, elements, elements.hasTrailingComma); } - function isReusableParameter(node) { - if (node.kind !== 143) { - return false; + return elements; + } + function parenthesizeExpressionForList(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression); + var commaPrecedence = ts.getOperatorPrecedence(188, 25); + return expressionPrecedence > commaPrecedence + ? expression + : createParen(expression, expression); + } + ts.parenthesizeExpressionForList = parenthesizeExpressionForList; + function parenthesizeExpressionForExpressionStatement(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + if (ts.isCallExpression(emittedExpression)) { + var callee = emittedExpression.expression; + var kind = skipPartiallyEmittedExpressions(callee).kind; + if (kind === 180 || kind === 181) { + var mutableCall = getMutableClone(emittedExpression); + mutableCall.expression = createParen(callee, callee); + return recreatePartiallyEmittedExpressions(expression, mutableCall); } - var parameter = node; - return parameter.initializer === undefined; } - function abortParsingListOrMoveToNextToken(kind) { - parseErrorAtCurrentToken(parsingContextErrors(kind)); - if (isInSomeParsingContext()) { - return true; + else { + var leftmostExpressionKind = getLeftmostExpression(emittedExpression).kind; + if (leftmostExpressionKind === 172 || leftmostExpressionKind === 180) { + return createParen(expression, expression); } - nextToken(); - return false; } - function parsingContextErrors(context) { - switch (context) { - case 0: return ts.Diagnostics.Declaration_or_statement_expected; - case 1: return ts.Diagnostics.Declaration_or_statement_expected; - case 2: return ts.Diagnostics.case_or_default_expected; - case 3: return ts.Diagnostics.Statement_expected; - case 4: return ts.Diagnostics.Property_or_signature_expected; - case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; - case 6: return ts.Diagnostics.Enum_member_expected; - case 7: return ts.Diagnostics.Expression_expected; - case 8: return ts.Diagnostics.Variable_declaration_expected; - case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; - case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; - case 11: return ts.Diagnostics.Argument_expression_expected; - case 12: return ts.Diagnostics.Property_assignment_expected; - case 15: return ts.Diagnostics.Expression_or_comma_expected; - case 16: return ts.Diagnostics.Parameter_declaration_expected; - case 17: return ts.Diagnostics.Type_parameter_declaration_expected; - case 18: return ts.Diagnostics.Type_argument_expected; - case 19: return ts.Diagnostics.Type_expected; - case 20: return ts.Diagnostics.Unexpected_token_expected; - case 21: return ts.Diagnostics.Identifier_expected; - case 13: return ts.Diagnostics.Identifier_expected; - case 14: return ts.Diagnostics.Identifier_expected; - case 22: return ts.Diagnostics.Parameter_declaration_expected; - case 23: return ts.Diagnostics.Type_argument_expected; - case 25: return ts.Diagnostics.Type_expected; - case 24: return ts.Diagnostics.Property_assignment_expected; - } + return expression; + } + ts.parenthesizeExpressionForExpressionStatement = parenthesizeExpressionForExpressionStatement; + function recreatePartiallyEmittedExpressions(originalOuterExpression, newInnerExpression) { + if (ts.isPartiallyEmittedExpression(originalOuterExpression)) { + var clone_1 = getMutableClone(originalOuterExpression); + clone_1.expression = recreatePartiallyEmittedExpressions(clone_1.expression, newInnerExpression); + return clone_1; } - ; - function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimiter) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = createNodeArray(); - var commaStart = -1; - while (true) { - if (isListElement(kind, false)) { - result.push(parseListElement(kind, parseElement)); - commaStart = scanner.getTokenPos(); - if (parseOptional(25)) { - continue; - } - commaStart = -1; - if (isListTerminator(kind)) { - break; - } - parseExpected(25); - if (considerSemicolonAsDelimiter && token() === 24 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - } + return newInnerExpression; + } + function getLeftmostExpression(node) { + while (true) { + switch (node.kind) { + case 187: + node = node.operand; + continue; + case 188: + node = node.left; + continue; + case 189: + node = node.condition; + continue; + case 175: + case 174: + case 173: + node = node.expression; + continue; + case 288: + node = node.expression; continue; - } - if (isListTerminator(kind)) { - break; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - if (commaStart >= 0) { - result.hasTrailingComma = true; - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function createMissingList() { - return createNodeArray(); - } - function parseBracketedList(kind, parseElement, open, close) { - if (parseExpected(open)) { - var result = parseDelimitedList(kind, parseElement); - parseExpected(close); - return result; } - return createMissingList(); + return node; } - function parseEntityName(allowReservedWords, diagnosticMessage) { - var entity = parseIdentifier(diagnosticMessage); - while (parseOptional(22)) { - var node = createNode(140, entity.pos); - node.left = entity; - node.right = parseRightSideOfDot(allowReservedWords); - entity = finishNode(node); - } - return entity; + } + function parenthesizeConciseBody(body) { + var emittedBody = skipPartiallyEmittedExpressions(body); + if (emittedBody.kind === 172) { + return createParen(body, body); } - function parseRightSideOfDot(allowIdentifierNames) { - if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) { - var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - if (matchesPattern) { - return createMissingNode(70, true, ts.Diagnostics.Identifier_expected); - } + return body; + } + ts.parenthesizeConciseBody = parenthesizeConciseBody; + function skipOuterExpressions(node, kinds) { + if (kinds === void 0) { kinds = 7; } + var previousNode; + do { + previousNode = node; + if (kinds & 1) { + node = skipParentheses(node); } - return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); - } - function parseTemplateExpression() { - var template = createNode(190); - template.head = parseTemplateHead(); - ts.Debug.assert(template.head.kind === 13, "Template head has wrong token kind"); - var templateSpans = createNodeArray(); - do { - templateSpans.push(parseTemplateSpan()); - } while (ts.lastOrUndefined(templateSpans).literal.kind === 14); - templateSpans.end = getNodeEnd(); - template.templateSpans = templateSpans; - return finishNode(template); - } - function parseTemplateSpan() { - var span = createNode(198); - span.expression = allowInAnd(parseExpression); - var literal; - if (token() === 17) { - reScanTemplateToken(); - literal = parseTemplateMiddleOrTemplateTail(); + if (kinds & 2) { + node = skipAssertions(node); } - else { - literal = parseExpectedToken(15, false, ts.Diagnostics._0_expected, ts.tokenToString(17)); + if (kinds & 4) { + node = skipPartiallyEmittedExpressions(node); } - span.literal = literal; - return finishNode(span); + } while (previousNode !== node); + return node; + } + ts.skipOuterExpressions = skipOuterExpressions; + function skipParentheses(node) { + while (node.kind === 179) { + node = node.expression; } - function parseLiteralNode(internName) { - return parseLiteralLikeNode(token(), internName); + return node; + } + ts.skipParentheses = skipParentheses; + function skipAssertions(node) { + while (ts.isAssertionExpression(node)) { + node = node.expression; } - function parseTemplateHead() { - var fragment = parseLiteralLikeNode(token(), false); - ts.Debug.assert(fragment.kind === 13, "Template head has wrong token kind"); - return fragment; + return node; + } + ts.skipAssertions = skipAssertions; + function skipPartiallyEmittedExpressions(node) { + while (node.kind === 288) { + node = node.expression; } - function parseTemplateMiddleOrTemplateTail() { - var fragment = parseLiteralLikeNode(token(), false); - ts.Debug.assert(fragment.kind === 14 || fragment.kind === 15, "Template fragment has wrong token kind"); - return fragment; + return node; + } + ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions; + function startOnNewLine(node) { + node.startsOnNewLine = true; + return node; + } + ts.startOnNewLine = startOnNewLine; + function setOriginalNode(node, original) { + node.original = original; + if (original) { + var emitNode = original.emitNode; + if (emitNode) + node.emitNode = mergeEmitNode(emitNode, node.emitNode); } - function parseLiteralLikeNode(kind, internName) { - var node = createNode(kind); - var text = scanner.getTokenValue(); - node.text = internName ? internIdentifier(text) : text; - if (scanner.hasExtendedUnicodeEscape()) { - node.hasExtendedUnicodeEscape = true; - } - if (scanner.isUnterminated()) { - node.isUnterminated = true; - } - var tokenPos = scanner.getTokenPos(); - nextToken(); - finishNode(node); - if (node.kind === 8 - && sourceText.charCodeAt(tokenPos) === 48 - && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { - node.isOctalLiteral = true; + return node; + } + ts.setOriginalNode = setOriginalNode; + function mergeEmitNode(sourceEmitNode, destEmitNode) { + var flags = sourceEmitNode.flags, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges; + if (!destEmitNode && (flags || commentRange || sourceMapRange || tokenSourceMapRanges)) + destEmitNode = {}; + if (flags) + destEmitNode.flags = flags; + if (commentRange) + destEmitNode.commentRange = commentRange; + if (sourceMapRange) + destEmitNode.sourceMapRange = sourceMapRange; + if (tokenSourceMapRanges) + destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges); + return destEmitNode; + } + function mergeTokenSourceMapRanges(sourceRanges, destRanges) { + if (!destRanges) + destRanges = ts.createMap(); + ts.copyProperties(sourceRanges, destRanges); + return destRanges; + } + function disposeEmitNodes(sourceFile) { + sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile)); + var emitNode = sourceFile && sourceFile.emitNode; + var annotatedNodes = emitNode && emitNode.annotatedNodes; + if (annotatedNodes) { + for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) { + var node = annotatedNodes_1[_i]; + node.emitNode = undefined; } - return node; } - function parseTypeReference() { - var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); - var node = createNode(156, typeName.pos); - node.typeName = typeName; - if (!scanner.hasPrecedingLineBreak() && token() === 26) { - node.typeArguments = parseBracketedList(18, parseType, 26, 28); + } + ts.disposeEmitNodes = disposeEmitNodes; + function getOrCreateEmitNode(node) { + if (!node.emitNode) { + if (ts.isParseTreeNode(node)) { + if (node.kind === 256) { + return node.emitNode = { annotatedNodes: [node] }; + } + var sourceFile = ts.getSourceFileOfNode(node); + getOrCreateEmitNode(sourceFile).annotatedNodes.push(node); } - return finishNode(node); + node.emitNode = {}; } - function parseThisTypePredicate(lhs) { - nextToken(); - var node = createNode(155, lhs.pos); - node.parameterName = lhs; - node.type = parseType(); - return finishNode(node); + return node.emitNode; + } + function getEmitFlags(node) { + var emitNode = node.emitNode; + return emitNode && emitNode.flags; + } + ts.getEmitFlags = getEmitFlags; + function setEmitFlags(node, emitFlags) { + getOrCreateEmitNode(node).flags = emitFlags; + return node; + } + ts.setEmitFlags = setEmitFlags; + function setSourceMapRange(node, range) { + getOrCreateEmitNode(node).sourceMapRange = range; + return node; + } + ts.setSourceMapRange = setSourceMapRange; + function setTokenSourceMapRange(node, token, range) { + var emitNode = getOrCreateEmitNode(node); + var tokenSourceMapRanges = emitNode.tokenSourceMapRanges || (emitNode.tokenSourceMapRanges = ts.createMap()); + tokenSourceMapRanges[token] = range; + return node; + } + ts.setTokenSourceMapRange = setTokenSourceMapRange; + function setCommentRange(node, range) { + getOrCreateEmitNode(node).commentRange = range; + return node; + } + ts.setCommentRange = setCommentRange; + function getCommentRange(node) { + var emitNode = node.emitNode; + return (emitNode && emitNode.commentRange) || node; + } + ts.getCommentRange = getCommentRange; + function getSourceMapRange(node) { + var emitNode = node.emitNode; + return (emitNode && emitNode.sourceMapRange) || node; + } + ts.getSourceMapRange = getSourceMapRange; + function getTokenSourceMapRange(node, token) { + var emitNode = node.emitNode; + var tokenSourceMapRanges = emitNode && emitNode.tokenSourceMapRanges; + return tokenSourceMapRanges && tokenSourceMapRanges[token]; + } + ts.getTokenSourceMapRange = getTokenSourceMapRange; + function getConstantValue(node) { + var emitNode = node.emitNode; + return emitNode && emitNode.constantValue; + } + ts.getConstantValue = getConstantValue; + function setConstantValue(node, value) { + var emitNode = getOrCreateEmitNode(node); + emitNode.constantValue = value; + return node; + } + ts.setConstantValue = setConstantValue; + function setTextRange(node, location) { + if (location) { + node.pos = location.pos; + node.end = location.end; } - function parseThisTypeNode() { - var node = createNode(166); - nextToken(); - return finishNode(node); + return node; + } + ts.setTextRange = setTextRange; + function setNodeFlags(node, flags) { + node.flags = flags; + return node; + } + ts.setNodeFlags = setNodeFlags; + function setMultiLine(node, multiLine) { + node.multiLine = multiLine; + return node; + } + ts.setMultiLine = setMultiLine; + function setHasTrailingComma(nodes, hasTrailingComma) { + nodes.hasTrailingComma = hasTrailingComma; + return nodes; + } + ts.setHasTrailingComma = setHasTrailingComma; + function getLocalNameForExternalImport(node, sourceFile) { + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + var name_12 = namespaceDeclaration.name; + return ts.isGeneratedIdentifier(name_12) ? name_12 : createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, namespaceDeclaration.name)); } - function parseTypeQuery() { - var node = createNode(159); - parseExpected(102); - node.exprName = parseEntityName(true); - return finishNode(node); + if (node.kind === 231 && node.importClause) { + return getGeneratedNameForNode(node); } - function parseTypeParameter() { - var node = createNode(142); - node.name = parseIdentifier(); - if (parseOptional(84)) { - if (isStartOfType() || !isStartOfExpression()) { - node.constraint = parseType(); - } - else { - node.expression = parseUnaryExpressionOrHigher(); - } - } - return finishNode(node); + if (node.kind === 237 && node.moduleSpecifier) { + return getGeneratedNameForNode(node); } - function parseTypeParameters() { - if (token() === 26) { - return parseBracketedList(17, parseTypeParameter, 26, 28); - } + return undefined; + } + ts.getLocalNameForExternalImport = getLocalNameForExternalImport; + function getExternalModuleNameLiteral(importNode, sourceFile, host, resolver, compilerOptions) { + var moduleName = ts.getExternalModuleName(importNode); + if (moduleName.kind === 9) { + return tryGetModuleNameFromDeclaration(importNode, host, resolver, compilerOptions) + || tryRenameExternalModule(moduleName, sourceFile) + || getSynthesizedClone(moduleName); } - function parseParameterType() { - if (parseOptional(55)) { - return parseType(); - } + return undefined; + } + ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral; + function tryRenameExternalModule(moduleName, sourceFile) { + if (sourceFile.renamedDependencies && ts.hasProperty(sourceFile.renamedDependencies, moduleName.text)) { + return createLiteral(sourceFile.renamedDependencies[moduleName.text]); + } + return undefined; + } + function tryGetModuleNameFromFile(file, host, options) { + if (!file) { return undefined; } - function isStartOfParameter() { - return token() === 23 || isIdentifierOrPattern() || ts.isModifierKind(token()) || token() === 56 || token() === 98; + if (file.moduleName) { + return createLiteral(file.moduleName); } - function parseParameter() { - var node = createNode(143); - if (token() === 98) { - node.name = createIdentifier(true, undefined); - node.type = parseParameterType(); - return finishNode(node); - } - node.decorators = parseDecorators(); - node.modifiers = parseModifiers(); - node.dotDotDotToken = parseOptionalToken(23); - node.name = parseIdentifierOrPattern(); - if (ts.getFullWidth(node.name) === 0 && !ts.hasModifiers(node) && ts.isModifierKind(token())) { - nextToken(); - } - node.questionToken = parseOptionalToken(54); - node.type = parseParameterType(); - node.initializer = parseBindingElementInitializer(true); - return addJSDocComment(finishNode(node)); + if (!ts.isDeclarationFile(file) && (options.out || options.outFile)) { + return createLiteral(ts.getExternalModuleNameFromPath(host, file.fileName)); } - function parseBindingElementInitializer(inParameter) { - return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); + return undefined; + } + ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile; + function tryGetModuleNameFromDeclaration(declaration, host, resolver, compilerOptions) { + return tryGetModuleNameFromFile(resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions); + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var NodeConstructor; + var TokenConstructor; + var IdentifierConstructor; + var SourceFileConstructor; + function createNode(kind, pos, end) { + if (kind === 256) { + return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); } - function parseParameterInitializer() { - return parseInitializer(true); + else if (kind === 70) { + return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, pos, end); } - function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { - var returnTokenRequired = returnToken === 35; - signature.typeParameters = parseTypeParameters(); - signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); - if (returnTokenRequired) { - parseExpected(returnToken); - signature.type = parseTypeOrTypePredicate(); - } - else if (parseOptional(returnToken)) { - signature.type = parseTypeOrTypePredicate(); - } + else if (kind < 140) { + return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, pos, end); } - function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { - if (parseExpected(18)) { - var savedYieldContext = inYieldContext(); - var savedAwaitContext = inAwaitContext(); - setYieldContext(yieldContext); - setAwaitContext(awaitContext); - var result = parseDelimitedList(16, parseParameter); - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - if (!parseExpected(19) && requireCompleteParameterList) { - return undefined; - } - return result; - } - return requireCompleteParameterList ? undefined : createMissingList(); + else { + return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); } - function parseTypeMemberSemicolon() { - if (parseOptional(25)) { - return; - } - parseSemicolon(); + } + ts.createNode = createNode; + function visitNode(cbNode, node) { + if (node) { + return cbNode(node); } - function parseSignatureMember(kind) { - var node = createNode(kind); - if (kind === 153) { - parseExpected(93); - } - fillSignature(55, false, false, false, node); - parseTypeMemberSemicolon(); - return addJSDocComment(finishNode(node)); + } + function visitNodeArray(cbNodes, nodes) { + if (nodes) { + return cbNodes(nodes); } - function isIndexSignature() { - if (token() !== 20) { - return false; + } + function visitEachNode(cbNode, nodes) { + if (nodes) { + for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { + var node = nodes_1[_i]; + var result = cbNode(node); + if (result) { + return result; + } } - return lookAhead(isUnambiguouslyIndexSignature); } - function isUnambiguouslyIndexSignature() { - nextToken(); - if (token() === 23 || token() === 21) { - return true; - } - if (ts.isModifierKind(token())) { - nextToken(); - if (isIdentifier()) { - return true; - } - } - else if (!isIdentifier()) { - return false; - } - else { - nextToken(); - } - if (token() === 55 || token() === 25) { - return true; - } - if (token() !== 54) { - return false; - } - nextToken(); - return token() === 55 || token() === 25 || token() === 21; + } + function forEachChild(node, cbNode, cbNodeArray) { + if (!node) { + return; } - function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { - var node = createNode(154, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - node.parameters = parseBracketedList(16, parseParameter, 20, 21); - node.type = parseTypeAnnotation(); - parseTypeMemberSemicolon(); - return finishNode(node); + var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; + var cbNodes = cbNodeArray || cbNode; + switch (node.kind) { + case 140: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.right); + case 142: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.constraint) || + visitNode(cbNode, node.expression); + case 254: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.equalsToken) || + visitNode(cbNode, node.objectAssignmentInitializer); + case 143: + case 146: + case 145: + case 253: + case 219: + case 170: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.dotDotDotToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.initializer); + case 157: + case 158: + case 152: + case 153: + case 154: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 148: + case 147: + case 149: + case 150: + case 151: + case 180: + case 221: + case 181: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.equalsGreaterThanToken) || + visitNode(cbNode, node.body); + case 156: + return visitNode(cbNode, node.typeName) || + visitNodes(cbNodes, node.typeArguments); + case 155: + return visitNode(cbNode, node.parameterName) || + visitNode(cbNode, node.type); + case 159: + return visitNode(cbNode, node.exprName); + case 160: + return visitNodes(cbNodes, node.members); + case 161: + return visitNode(cbNode, node.elementType); + case 162: + return visitNodes(cbNodes, node.elementTypes); + case 163: + case 164: + return visitNodes(cbNodes, node.types); + case 165: + return visitNode(cbNode, node.type); + case 167: + return visitNode(cbNode, node.literal); + case 168: + case 169: + return visitNodes(cbNodes, node.elements); + case 171: + return visitNodes(cbNodes, node.elements); + case 172: + return visitNodes(cbNodes, node.properties); + case 173: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.name); + case 174: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.argumentExpression); + case 175: + case 176: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments) || + visitNodes(cbNodes, node.arguments); + case 177: + return visitNode(cbNode, node.tag) || + visitNode(cbNode, node.template); + case 178: + return visitNode(cbNode, node.type) || + visitNode(cbNode, node.expression); + case 179: + return visitNode(cbNode, node.expression); + case 182: + return visitNode(cbNode, node.expression); + case 183: + return visitNode(cbNode, node.expression); + case 184: + return visitNode(cbNode, node.expression); + case 186: + return visitNode(cbNode, node.operand); + case 191: + return visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.expression); + case 185: + return visitNode(cbNode, node.expression); + case 187: + return visitNode(cbNode, node.operand); + case 188: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.operatorToken) || + visitNode(cbNode, node.right); + case 196: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.type); + case 197: + return visitNode(cbNode, node.expression); + case 189: + return visitNode(cbNode, node.condition) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.whenTrue) || + visitNode(cbNode, node.colonToken) || + visitNode(cbNode, node.whenFalse); + case 192: + return visitNode(cbNode, node.expression); + case 200: + case 227: + return visitNodes(cbNodes, node.statements); + case 256: + return visitNodes(cbNodes, node.statements) || + visitNode(cbNode, node.endOfFileToken); + case 201: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.declarationList); + case 220: + return visitNodes(cbNodes, node.declarations); + case 203: + return visitNode(cbNode, node.expression); + case 204: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.thenStatement) || + visitNode(cbNode, node.elseStatement); + case 205: + return visitNode(cbNode, node.statement) || + visitNode(cbNode, node.expression); + case 206: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 207: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.condition) || + visitNode(cbNode, node.incrementor) || + visitNode(cbNode, node.statement); + case 208: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 209: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 210: + case 211: + return visitNode(cbNode, node.label); + case 212: + return visitNode(cbNode, node.expression); + case 213: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 214: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.caseBlock); + case 228: + return visitNodes(cbNodes, node.clauses); + case 249: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.statements); + case 250: + return visitNodes(cbNodes, node.statements); + case 215: + return visitNode(cbNode, node.label) || + visitNode(cbNode, node.statement); + case 216: + return visitNode(cbNode, node.expression); + case 217: + return visitNode(cbNode, node.tryBlock) || + visitNode(cbNode, node.catchClause) || + visitNode(cbNode, node.finallyBlock); + case 252: + return visitNode(cbNode, node.variableDeclaration) || + visitNode(cbNode, node.block); + case 144: + return visitNode(cbNode, node.expression); + case 222: + case 193: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 223: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 224: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNode(cbNode, node.type); + case 225: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.members); + case 255: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 226: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.body); + case 230: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.moduleReference); + case 231: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.importClause) || + visitNode(cbNode, node.moduleSpecifier); + case 232: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.namedBindings); + case 229: + return visitNode(cbNode, node.name); + case 233: + return visitNode(cbNode, node.name); + case 234: + case 238: + return visitNodes(cbNodes, node.elements); + case 237: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.exportClause) || + visitNode(cbNode, node.moduleSpecifier); + case 235: + case 239: + return visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.name); + case 236: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.expression); + case 190: + return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); + case 198: + return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); + case 141: + return visitNode(cbNode, node.expression); + case 251: + return visitNodes(cbNodes, node.types); + case 195: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments); + case 241: + return visitNode(cbNode, node.expression); + case 240: + return visitNodes(cbNodes, node.decorators); + case 242: + return visitNode(cbNode, node.openingElement) || + visitNodes(cbNodes, node.children) || + visitNode(cbNode, node.closingElement); + case 243: + case 244: + return visitNode(cbNode, node.tagName) || + visitNodes(cbNodes, node.attributes); + case 246: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 247: + return visitNode(cbNode, node.expression); + case 248: + return visitNode(cbNode, node.expression); + case 245: + return visitNode(cbNode, node.tagName); + case 257: + return visitNode(cbNode, node.type); + case 261: + return visitNodes(cbNodes, node.types); + case 262: + return visitNodes(cbNodes, node.types); + case 260: + return visitNode(cbNode, node.elementType); + case 264: + return visitNode(cbNode, node.type); + case 263: + return visitNode(cbNode, node.type); + case 265: + return visitNode(cbNode, node.literal); + case 267: + return visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeArguments); + case 268: + return visitNode(cbNode, node.type); + case 269: + return visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 270: + return visitNode(cbNode, node.type); + case 271: + return visitNode(cbNode, node.type); + case 272: + return visitNode(cbNode, node.type); + case 266: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.type); + case 273: + return visitNodes(cbNodes, node.tags); + case 275: + return visitNode(cbNode, node.preParameterName) || + visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.postParameterName); + case 276: + return visitNode(cbNode, node.typeExpression); + case 277: + return visitNode(cbNode, node.typeExpression); + case 278: + return visitNodes(cbNodes, node.typeParameters); + case 279: + return visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.fullName) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.jsDocTypeLiteral); + case 281: + return visitNodes(cbNodes, node.jsDocPropertyTags); + case 280: + return visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.name); + case 288: + return visitNode(cbNode, node.expression); + case 282: + return visitNode(cbNode, node.literal); } - function parsePropertyOrMethodSignature(fullStart, modifiers) { - var name = parsePropertyName(); - var questionToken = parseOptionalToken(54); - if (token() === 18 || token() === 26) { - var method = createNode(147, fullStart); - method.modifiers = modifiers; - method.name = name; - method.questionToken = questionToken; - fillSignature(55, false, false, false, method); - parseTypeMemberSemicolon(); - return addJSDocComment(finishNode(method)); - } - else { - var property = createNode(145, fullStart); - property.modifiers = modifiers; - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - if (token() === 57) { - property.initializer = parseNonParameterInitializer(); - } - parseTypeMemberSemicolon(); - return addJSDocComment(finishNode(property)); - } + } + ts.forEachChild = forEachChild; + function createSourceFile(fileName, sourceText, languageVersion, setParentNodes, scriptKind) { + if (setParentNodes === void 0) { setParentNodes = false; } + ts.performance.mark("beforeParse"); + var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes, scriptKind); + ts.performance.mark("afterParse"); + ts.performance.measure("Parse", "beforeParse", "afterParse"); + return result; + } + ts.createSourceFile = createSourceFile; + function isExternalModule(file) { + return file.externalModuleIndicator !== undefined; + } + ts.isExternalModule = isExternalModule; + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + } + ts.updateSourceFile = updateSourceFile; + function parseIsolatedJSDocComment(content, start, length) { + var result = Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); + if (result && result.jsDoc) { + Parser.fixupParentReferences(result.jsDoc); } - function isTypeMemberStart() { - var idToken; - if (token() === 18 || token() === 26) { - return true; - } - while (ts.isModifierKind(token())) { - idToken = token(); - nextToken(); - } - if (token() === 20) { - return true; - } - if (isLiteralPropertyName()) { - idToken = token(); - nextToken(); - } - if (idToken) { - return token() === 18 || - token() === 26 || - token() === 54 || - token() === 55 || - token() === 25 || - canParseSemicolon(); - } - return false; + return result; + } + ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocTypeExpressionForTests(content, start, length) { + return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + } + ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; + var Parser; + (function (Parser) { + var scanner = ts.createScanner(4, true); + var disallowInAndDecoratorContext = 32768 | 131072; + var NodeConstructor; + var TokenConstructor; + var IdentifierConstructor; + var SourceFileConstructor; + var sourceFile; + var parseDiagnostics; + var syntaxCursor; + var currentToken; + var sourceText; + var nodeCount; + var identifiers; + var identifierCount; + var parsingContext; + var contextFlags; + var parseErrorBeforeNextFinishedNode = false; + function parseSourceFile(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes, scriptKind) { + scriptKind = ts.ensureScriptKind(fileName, scriptKind); + initializeState(sourceText, languageVersion, syntaxCursor, scriptKind); + var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind); + clearState(); + return result; } - function parseTypeMember() { - if (token() === 18 || token() === 26) { - return parseSignatureMember(152); - } - if (token() === 93 && lookAhead(isStartOfConstructSignature)) { - return parseSignatureMember(153); - } - var fullStart = getNodePos(); - var modifiers = parseModifiers(); - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, undefined, modifiers); - } - return parsePropertyOrMethodSignature(fullStart, modifiers); + Parser.parseSourceFile = parseSourceFile; + function getLanguageVariant(scriptKind) { + return scriptKind === 4 || scriptKind === 2 || scriptKind === 1 ? 1 : 0; } - function isStartOfConstructSignature() { - nextToken(); - return token() === 18 || token() === 26; - } - function parseTypeLiteral() { - var node = createNode(160); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseObjectTypeMembers() { - var members; - if (parseExpected(16)) { - members = parseList(4, parseTypeMember); - parseExpected(17); - } - else { - members = createMissingList(); - } - return members; - } - function parseTupleType() { - var node = createNode(162); - node.elementTypes = parseBracketedList(19, parseType, 20, 21); - return finishNode(node); - } - function parseParenthesizedType() { - var node = createNode(165); - parseExpected(18); - node.type = parseType(); - parseExpected(19); - return finishNode(node); - } - function parseFunctionOrConstructorType(kind) { - var node = createNode(kind); - if (kind === 158) { - parseExpected(93); - } - fillSignature(35, false, false, false, node); - return finishNode(node); - } - function parseKeywordAndNoDot() { - var node = parseTokenNode(); - return token() === 22 ? undefined : node; - } - function parseLiteralTypeNode() { - var node = createNode(167); - node.literal = parseSimpleUnaryExpression(); - finishNode(node); - return node; - } - function nextTokenIsNumericLiteral() { - return nextToken() === 8; - } - function parseNonArrayType() { - switch (token()) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 136: - case 128: - var node = tryParse(parseKeywordAndNoDot); - return node || parseTypeReference(); - case 9: - case 8: - case 100: - case 85: - return parseLiteralTypeNode(); - case 37: - return lookAhead(nextTokenIsNumericLiteral) ? parseLiteralTypeNode() : parseTypeReference(); - case 104: - case 94: - return parseTokenNode(); - case 98: { - var thisKeyword = parseThisTypeNode(); - if (token() === 125 && !scanner.hasPrecedingLineBreak()) { - return parseThisTypePredicate(thisKeyword); - } - else { - return thisKeyword; - } - } - case 102: - return parseTypeQuery(); - case 16: - return parseTypeLiteral(); - case 20: - return parseTupleType(); - case 18: - return parseParenthesizedType(); - default: - return parseTypeReference(); - } - } - function isStartOfType() { - switch (token()) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 104: - case 136: - case 94: - case 98: - case 102: - case 128: - case 16: - case 20: - case 26: - case 93: - case 9: - case 8: - case 100: - case 85: - return true; - case 37: - return lookAhead(nextTokenIsNumericLiteral); - case 18: - return lookAhead(isStartOfParenthesizedOrFunctionType); - default: - return isIdentifier(); - } - } - function isStartOfParenthesizedOrFunctionType() { - nextToken(); - return token() === 19 || isStartOfParameter() || isStartOfType(); - } - function parseArrayTypeOrHigher() { - var type = parseNonArrayType(); - while (!scanner.hasPrecedingLineBreak() && parseOptional(20)) { - parseExpected(21); - var node = createNode(161, type.pos); - node.elementType = type; - type = finishNode(node); - } - return type; - } - function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { - var type = parseConstituentType(); - if (token() === operator) { - var types = createNodeArray([type], type.pos); - while (parseOptional(operator)) { - types.push(parseConstituentType()); - } - types.end = getNodeEnd(); - var node = createNode(kind, type.pos); - node.types = types; - type = finishNode(node); - } - return type; - } - function parseIntersectionTypeOrHigher() { - return parseUnionOrIntersectionType(164, parseArrayTypeOrHigher, 47); - } - function parseUnionTypeOrHigher() { - return parseUnionOrIntersectionType(163, parseIntersectionTypeOrHigher, 48); - } - function isStartOfFunctionType() { - if (token() === 26) { - return true; - } - return token() === 18 && lookAhead(isUnambiguouslyStartOfFunctionType); - } - function skipParameterStart() { - if (ts.isModifierKind(token())) { - parseModifiers(); - } - if (isIdentifier() || token() === 98) { - nextToken(); - return true; - } - if (token() === 20 || token() === 16) { - var previousErrorCount = parseDiagnostics.length; - parseIdentifierOrPattern(); - return previousErrorCount === parseDiagnostics.length; - } - return false; - } - function isUnambiguouslyStartOfFunctionType() { - nextToken(); - if (token() === 19 || token() === 23) { - return true; - } - if (skipParameterStart()) { - if (token() === 55 || token() === 25 || - token() === 54 || token() === 57) { - return true; - } - if (token() === 19) { - nextToken(); - if (token() === 35) { - return true; - } - } - } - return false; - } - function parseTypeOrTypePredicate() { - var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); - var type = parseType(); - if (typePredicateVariable) { - var node = createNode(155, typePredicateVariable.pos); - node.parameterName = typePredicateVariable; - node.type = type; - return finishNode(node); - } - else { - return type; - } - } - function parseTypePredicatePrefix() { - var id = parseIdentifier(); - if (token() === 125 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - return id; - } - } - function parseType() { - return doOutsideOfContext(327680, parseTypeWorker); - } - function parseTypeWorker() { - if (isStartOfFunctionType()) { - return parseFunctionOrConstructorType(157); - } - if (token() === 93) { - return parseFunctionOrConstructorType(158); - } - return parseUnionTypeOrHigher(); - } - function parseTypeAnnotation() { - return parseOptional(55) ? parseType() : undefined; - } - function isStartOfLeftHandSideExpression() { - switch (token()) { - case 98: - case 96: - case 94: - case 100: - case 85: - case 8: - case 9: - case 12: - case 13: - case 18: - case 20: - case 16: - case 88: - case 74: - case 93: - case 40: - case 62: - case 70: - return true; - default: - return isIdentifier(); - } - } - function isStartOfExpression() { - if (isStartOfLeftHandSideExpression()) { - return true; - } - switch (token()) { - case 36: - case 37: - case 51: - case 50: - case 79: - case 102: - case 104: - case 42: - case 43: - case 26: - case 120: - case 115: - return true; - default: - if (isBinaryOperator()) { - return true; - } - return isIdentifier(); - } - } - function isStartOfExpressionStatement() { - return token() !== 16 && - token() !== 88 && - token() !== 74 && - token() !== 56 && - isStartOfExpression(); - } - function parseExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var expr = parseAssignmentExpressionOrHigher(); - var operatorToken; - while ((operatorToken = parseOptionalToken(25))) { - expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); - } - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return expr; - } - function parseInitializer(inParameter) { - if (token() !== 57) { - if (scanner.hasPrecedingLineBreak() || (inParameter && token() === 16) || !isStartOfExpression()) { - return undefined; - } - } - parseExpected(57); - return parseAssignmentExpressionOrHigher(); - } - function parseAssignmentExpressionOrHigher() { - if (isYieldExpression()) { - return parseYieldExpression(); - } - var arrowExpression = tryParseParenthesizedArrowFunctionExpression() || tryParseAsyncSimpleArrowFunctionExpression(); - if (arrowExpression) { - return arrowExpression; - } - var expr = parseBinaryExpressionOrHigher(0); - if (expr.kind === 70 && token() === 35) { - return parseSimpleArrowFunctionExpression(expr); - } - if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { - return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); - } - return parseConditionalExpressionRest(expr); - } - function isYieldExpression() { - if (token() === 115) { - if (inYieldContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); - } - return false; + function initializeState(_sourceText, languageVersion, _syntaxCursor, scriptKind) { + NodeConstructor = ts.objectAllocator.getNodeConstructor(); + TokenConstructor = ts.objectAllocator.getTokenConstructor(); + IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor(); + SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); + sourceText = _sourceText; + syntaxCursor = _syntaxCursor; + parseDiagnostics = []; + parsingContext = 0; + identifiers = ts.createMap(); + identifierCount = 0; + nodeCount = 0; + contextFlags = scriptKind === 1 || scriptKind === 2 ? 1048576 : 0; + parseErrorBeforeNextFinishedNode = false; + scanner.setText(sourceText); + scanner.setOnError(scanError); + scanner.setScriptTarget(languageVersion); + scanner.setLanguageVariant(getLanguageVariant(scriptKind)); } - function nextTokenIsIdentifierOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && isIdentifier(); + function clearState() { + scanner.setText(""); + scanner.setOnError(undefined); + parseDiagnostics = undefined; + sourceFile = undefined; + identifiers = undefined; + syntaxCursor = undefined; + sourceText = undefined; } - function parseYieldExpression() { - var node = createNode(191); + function parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind) { + sourceFile = createSourceFile(fileName, languageVersion, scriptKind); + sourceFile.flags = contextFlags; nextToken(); - if (!scanner.hasPrecedingLineBreak() && - (token() === 38 || isStartOfExpression())) { - node.asteriskToken = parseOptionalToken(38); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - else { - return finishNode(node); - } - } - function parseSimpleArrowFunctionExpression(identifier, asyncModifier) { - ts.Debug.assert(token() === 35, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); - var node; - if (asyncModifier) { - node = createNode(181, asyncModifier.pos); - node.modifiers = asyncModifier; - } - else { - node = createNode(181, identifier.pos); - } - var parameter = createNode(143, identifier.pos); - parameter.name = identifier; - finishNode(parameter); - node.parameters = createNodeArray([parameter], parameter.pos); - node.parameters.end = parameter.end; - node.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); - node.body = parseArrowFunctionExpressionBody(!!asyncModifier); - return addJSDocComment(finishNode(node)); - } - function tryParseParenthesizedArrowFunctionExpression() { - var triState = isParenthesizedArrowFunctionExpression(); - if (triState === 0) { - return undefined; - } - var arrowFunction = triState === 1 - ? parseParenthesizedArrowFunctionExpressionHead(true) - : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); - if (!arrowFunction) { - return undefined; - } - var isAsync = !!(ts.getModifierFlags(arrowFunction) & 256); - var lastToken = token(); - arrowFunction.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); - arrowFunction.body = (lastToken === 35 || lastToken === 16) - ? parseArrowFunctionExpressionBody(isAsync) - : parseIdentifier(); - return addJSDocComment(finishNode(arrowFunction)); - } - function isParenthesizedArrowFunctionExpression() { - if (token() === 18 || token() === 26 || token() === 119) { - return lookAhead(isParenthesizedArrowFunctionExpressionWorker); - } - if (token() === 35) { - return 1; - } - return 0; - } - function isParenthesizedArrowFunctionExpressionWorker() { - if (token() === 119) { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return 0; - } - if (token() !== 18 && token() !== 26) { - return 0; - } - } - var first = token(); - var second = nextToken(); - if (first === 18) { - if (second === 19) { - var third = nextToken(); - switch (third) { - case 35: - case 55: - case 16: - return 1; - default: - return 0; - } - } - if (second === 20 || second === 16) { - return 2; - } - if (second === 23) { - return 1; - } - if (!isIdentifier()) { - return 0; - } - if (nextToken() === 55) { - return 1; - } - return 2; - } - else { - ts.Debug.assert(first === 26); - if (!isIdentifier()) { - return 0; - } - if (sourceFile.languageVariant === 1) { - var isArrowFunctionInJsx = lookAhead(function () { - var third = nextToken(); - if (third === 84) { - var fourth = nextToken(); - switch (fourth) { - case 57: - case 28: - return false; - default: - return true; - } - } - else if (third === 25) { - return true; - } - return false; - }); - if (isArrowFunctionInJsx) { - return 1; - } - return 0; - } - return 2; - } - } - function parsePossibleParenthesizedArrowFunctionExpressionHead() { - return parseParenthesizedArrowFunctionExpressionHead(false); - } - function tryParseAsyncSimpleArrowFunctionExpression() { - if (token() === 119) { - var isUnParenthesizedAsyncArrowFunction = lookAhead(isUnParenthesizedAsyncArrowFunctionWorker); - if (isUnParenthesizedAsyncArrowFunction === 1) { - var asyncModifier = parseModifiersForArrowFunction(); - var expr = parseBinaryExpressionOrHigher(0); - return parseSimpleArrowFunctionExpression(expr, asyncModifier); - } - } - return undefined; - } - function isUnParenthesizedAsyncArrowFunctionWorker() { - if (token() === 119) { - nextToken(); - if (scanner.hasPrecedingLineBreak() || token() === 35) { - return 0; - } - var expr = parseBinaryExpressionOrHigher(0); - if (!scanner.hasPrecedingLineBreak() && expr.kind === 70 && token() === 35) { - return 1; - } - } - return 0; - } - function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { - var node = createNode(181); - node.modifiers = parseModifiersForArrowFunction(); - var isAsync = !!(ts.getModifierFlags(node) & 256); - fillSignature(55, false, isAsync, !allowAmbiguity, node); - if (!node.parameters) { - return undefined; - } - if (!allowAmbiguity && token() !== 35 && token() !== 16) { - return undefined; - } - return node; - } - function parseArrowFunctionExpressionBody(isAsync) { - if (token() === 16) { - return parseFunctionBlock(false, isAsync, false); - } - if (token() !== 24 && - token() !== 88 && - token() !== 74 && - isStartOfStatement() && - !isStartOfExpressionStatement()) { - return parseFunctionBlock(false, isAsync, true); - } - return isAsync - ? doInAwaitContext(parseAssignmentExpressionOrHigher) - : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); - } - function parseConditionalExpressionRest(leftOperand) { - var questionToken = parseOptionalToken(54); - if (!questionToken) { - return leftOperand; - } - var node = createNode(189, leftOperand.pos); - node.condition = leftOperand; - node.questionToken = questionToken; - node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); - node.colonToken = parseExpectedToken(55, false, ts.Diagnostics._0_expected, ts.tokenToString(55)); - node.whenFalse = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseBinaryExpressionOrHigher(precedence) { - var leftOperand = parseUnaryExpressionOrHigher(); - return parseBinaryExpressionRest(precedence, leftOperand); - } - function isInOrOfKeyword(t) { - return t === 91 || t === 139; - } - function parseBinaryExpressionRest(precedence, leftOperand) { - while (true) { - reScanGreaterToken(); - var newPrecedence = getBinaryOperatorPrecedence(); - var consumeCurrentOperator = token() === 39 ? - newPrecedence >= precedence : - newPrecedence > precedence; - if (!consumeCurrentOperator) { - break; - } - if (token() === 91 && inDisallowInContext()) { - break; - } - if (token() === 117) { - if (scanner.hasPrecedingLineBreak()) { - break; - } - else { - nextToken(); - leftOperand = makeAsExpression(leftOperand, parseType()); - } - } - else { - leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); - } - } - return leftOperand; - } - function isBinaryOperator() { - if (inDisallowInContext() && token() === 91) { - return false; - } - return getBinaryOperatorPrecedence() > 0; - } - function getBinaryOperatorPrecedence() { - switch (token()) { - case 53: - return 1; - case 52: - return 2; - case 48: - return 3; - case 49: - return 4; - case 47: - return 5; - case 31: - case 32: - case 33: - case 34: - return 6; - case 26: - case 28: - case 29: - case 30: - case 92: - case 91: - case 117: - return 7; - case 44: - case 45: - case 46: - return 8; - case 36: - case 37: - return 9; - case 38: - case 40: - case 41: - return 10; - case 39: - return 11; - } - return -1; - } - function makeBinaryExpression(left, operatorToken, right) { - var node = createNode(188, left.pos); - node.left = left; - node.operatorToken = operatorToken; - node.right = right; - return finishNode(node); - } - function makeAsExpression(left, right) { - var node = createNode(196, left.pos); - node.expression = left; - node.type = right; - return finishNode(node); - } - function parsePrefixUnaryExpression() { - var node = createNode(186); - node.operator = token(); - nextToken(); - node.operand = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseDeleteExpression() { - var node = createNode(182); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseTypeOfExpression() { - var node = createNode(183); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseVoidExpression() { - var node = createNode(184); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function isAwaitExpression() { - if (token() === 120) { - if (inAwaitContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOnSameLine); - } - return false; - } - function parseAwaitExpression() { - var node = createNode(185); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseUnaryExpressionOrHigher() { - if (isUpdateExpression()) { - var incrementExpression = parseIncrementExpression(); - return token() === 39 ? - parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : - incrementExpression; - } - var unaryOperator = token(); - var simpleUnaryExpression = parseSimpleUnaryExpression(); - if (token() === 39) { - var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); - if (simpleUnaryExpression.kind === 178) { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); - } - else { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); - } - } - return simpleUnaryExpression; - } - function parseSimpleUnaryExpression() { - switch (token()) { - case 36: - case 37: - case 51: - case 50: - return parsePrefixUnaryExpression(); - case 79: - return parseDeleteExpression(); - case 102: - return parseTypeOfExpression(); - case 104: - return parseVoidExpression(); - case 26: - return parseTypeAssertion(); - case 120: - if (isAwaitExpression()) { - return parseAwaitExpression(); - } - default: - return parseIncrementExpression(); - } - } - function isUpdateExpression() { - switch (token()) { - case 36: - case 37: - case 51: - case 50: - case 79: - case 102: - case 104: - case 120: - return false; - case 26: - if (sourceFile.languageVariant !== 1) { - return false; - } - default: - return true; - } - } - function parseIncrementExpression() { - if (token() === 42 || token() === 43) { - var node = createNode(186); - node.operator = token(); - nextToken(); - node.operand = parseLeftHandSideExpressionOrHigher(); - return finishNode(node); - } - else if (sourceFile.languageVariant === 1 && token() === 26 && lookAhead(nextTokenIsIdentifierOrKeyword)) { - return parseJsxElementOrSelfClosingElement(true); - } - var expression = parseLeftHandSideExpressionOrHigher(); - ts.Debug.assert(ts.isLeftHandSideExpression(expression)); - if ((token() === 42 || token() === 43) && !scanner.hasPrecedingLineBreak()) { - var node = createNode(187, expression.pos); - node.operand = expression; - node.operator = token(); - nextToken(); - return finishNode(node); - } - return expression; - } - function parseLeftHandSideExpressionOrHigher() { - var expression = token() === 96 - ? parseSuperExpression() - : parseMemberExpressionOrHigher(); - return parseCallExpressionRest(expression); - } - function parseMemberExpressionOrHigher() { - var expression = parsePrimaryExpression(); - return parseMemberExpressionRest(expression); - } - function parseSuperExpression() { - var expression = parseTokenNode(); - if (token() === 18 || token() === 22 || token() === 20) { - return expression; - } - var node = createNode(173, expression.pos); - node.expression = expression; - parseExpectedToken(22, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); - node.name = parseRightSideOfDot(true); - return finishNode(node); - } - function tagNamesAreEquivalent(lhs, rhs) { - if (lhs.kind !== rhs.kind) { - return false; - } - if (lhs.kind === 70) { - return lhs.text === rhs.text; - } - if (lhs.kind === 98) { - return true; - } - return lhs.name.text === rhs.name.text && - tagNamesAreEquivalent(lhs.expression, rhs.expression); - } - function parseJsxElementOrSelfClosingElement(inExpressionContext) { - var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); - var result; - if (opening.kind === 244) { - var node = createNode(242, opening.pos); - node.openingElement = opening; - node.children = parseJsxChildren(node.openingElement.tagName); - node.closingElement = parseJsxClosingElement(inExpressionContext); - if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { - parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); - } - result = finishNode(node); - } - else { - ts.Debug.assert(opening.kind === 243); - result = opening; - } - if (inExpressionContext && token() === 26) { - var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); - if (invalidElement) { - parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); - var badNode = createNode(188, result.pos); - badNode.end = invalidElement.end; - badNode.left = result; - badNode.right = invalidElement; - badNode.operatorToken = createMissingNode(25, false, undefined); - badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; - return badNode; - } - } - return result; - } - function parseJsxText() { - var node = createNode(10, scanner.getStartPos()); - currentToken = scanner.scanJsxToken(); - return finishNode(node); - } - function parseJsxChild() { - switch (token()) { - case 10: - return parseJsxText(); - case 16: - return parseJsxExpression(false); - case 26: - return parseJsxElementOrSelfClosingElement(false); - } - ts.Debug.fail("Unknown JSX child kind " + token()); - } - function parseJsxChildren(openingTagName) { - var result = createNodeArray(); - var saveParsingContext = parsingContext; - parsingContext |= 1 << 14; - while (true) { - currentToken = scanner.reScanJsxToken(); - if (token() === 27) { - break; - } - else if (token() === 1) { - parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); - break; - } - result.push(parseJsxChild()); - } - result.end = scanner.getTokenPos(); - parsingContext = saveParsingContext; - return result; - } - function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { - var fullStart = scanner.getStartPos(); - parseExpected(26); - var tagName = parseJsxElementName(); - var attributes = parseList(13, parseJsxAttribute); - var node; - if (token() === 28) { - node = createNode(244, fullStart); - scanJsxText(); - } - else { - parseExpected(40); - if (inExpressionContext) { - parseExpected(28); - } - else { - parseExpected(28, undefined, false); - scanJsxText(); - } - node = createNode(243, fullStart); - } - node.tagName = tagName; - node.attributes = attributes; - return finishNode(node); - } - function parseJsxElementName() { - scanJsxIdentifier(); - var expression = token() === 98 ? - parseTokenNode() : parseIdentifierName(); - while (parseOptional(22)) { - var propertyAccess = createNode(173, expression.pos); - propertyAccess.expression = expression; - propertyAccess.name = parseRightSideOfDot(true); - expression = finishNode(propertyAccess); - } - return expression; - } - function parseJsxExpression(inExpressionContext) { - var node = createNode(248); - parseExpected(16); - if (token() !== 17) { - node.expression = parseAssignmentExpressionOrHigher(); - } - if (inExpressionContext) { - parseExpected(17); - } - else { - parseExpected(17, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseJsxAttribute() { - if (token() === 16) { - return parseJsxSpreadAttribute(); - } - scanJsxIdentifier(); - var node = createNode(246); - node.name = parseIdentifierName(); - if (token() === 57) { - switch (scanJsxAttributeValue()) { - case 9: - node.initializer = parseLiteralNode(); - break; - default: - node.initializer = parseJsxExpression(true); - break; - } - } - return finishNode(node); - } - function parseJsxSpreadAttribute() { - var node = createNode(247); - parseExpected(16); - parseExpected(23); - node.expression = parseExpression(); - parseExpected(17); - return finishNode(node); - } - function parseJsxClosingElement(inExpressionContext) { - var node = createNode(245); - parseExpected(27); - node.tagName = parseJsxElementName(); - if (inExpressionContext) { - parseExpected(28); - } - else { - parseExpected(28, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseTypeAssertion() { - var node = createNode(178); - parseExpected(26); - node.type = parseType(); - parseExpected(28); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseMemberExpressionRest(expression) { - while (true) { - var dotToken = parseOptionalToken(22); - if (dotToken) { - var propertyAccess = createNode(173, expression.pos); - propertyAccess.expression = expression; - propertyAccess.name = parseRightSideOfDot(true); - expression = finishNode(propertyAccess); - continue; - } - if (token() === 50 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - var nonNullExpression = createNode(197, expression.pos); - nonNullExpression.expression = expression; - expression = finishNode(nonNullExpression); - continue; - } - if (!inDecoratorContext() && parseOptional(20)) { - var indexedAccess = createNode(174, expression.pos); - indexedAccess.expression = expression; - if (token() !== 21) { - indexedAccess.argumentExpression = allowInAnd(parseExpression); - if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { - var literal = indexedAccess.argumentExpression; - literal.text = internIdentifier(literal.text); - } - } - parseExpected(21); - expression = finishNode(indexedAccess); - continue; - } - if (token() === 12 || token() === 13) { - var tagExpression = createNode(177, expression.pos); - tagExpression.tag = expression; - tagExpression.template = token() === 12 - ? parseLiteralNode() - : parseTemplateExpression(); - expression = finishNode(tagExpression); - continue; - } - return expression; - } - } - function parseCallExpressionRest(expression) { - while (true) { - expression = parseMemberExpressionRest(expression); - if (token() === 26) { - var typeArguments = tryParse(parseTypeArgumentsInExpression); - if (!typeArguments) { - return expression; - } - var callExpr = createNode(175, expression.pos); - callExpr.expression = expression; - callExpr.typeArguments = typeArguments; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - else if (token() === 18) { - var callExpr = createNode(175, expression.pos); - callExpr.expression = expression; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - return expression; - } - } - function parseArgumentList() { - parseExpected(18); - var result = parseDelimitedList(11, parseArgumentExpression); - parseExpected(19); - return result; - } - function parseTypeArgumentsInExpression() { - if (!parseOptional(26)) { - return undefined; - } - var typeArguments = parseDelimitedList(18, parseType); - if (!parseExpected(28)) { - return undefined; - } - return typeArguments && canFollowTypeArgumentsInExpression() - ? typeArguments - : undefined; - } - function canFollowTypeArgumentsInExpression() { - switch (token()) { - case 18: - case 22: - case 19: - case 21: - case 55: - case 24: - case 54: - case 31: - case 33: - case 32: - case 34: - case 52: - case 53: - case 49: - case 47: - case 48: - case 17: - case 1: - return true; - case 25: - case 16: - default: - return false; - } - } - function parsePrimaryExpression() { - switch (token()) { - case 8: - case 9: - case 12: - return parseLiteralNode(); - case 98: - case 96: - case 94: - case 100: - case 85: - return parseTokenNode(); - case 18: - return parseParenthesizedExpression(); - case 20: - return parseArrayLiteralExpression(); - case 16: - return parseObjectLiteralExpression(); - case 119: - if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { - break; - } - return parseFunctionExpression(); - case 74: - return parseClassExpression(); - case 88: - return parseFunctionExpression(); - case 93: - return parseNewExpression(); - case 40: - case 62: - if (reScanSlashToken() === 11) { - return parseLiteralNode(); - } - break; - case 13: - return parseTemplateExpression(); - } - return parseIdentifier(ts.Diagnostics.Expression_expected); - } - function parseParenthesizedExpression() { - var node = createNode(179); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - return finishNode(node); - } - function parseSpreadElement() { - var node = createNode(192); - parseExpected(23); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseArgumentOrArrayLiteralElement() { - return token() === 23 ? parseSpreadElement() : - token() === 25 ? createNode(194) : - parseAssignmentExpressionOrHigher(); - } - function parseArgumentExpression() { - return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); - } - function parseArrayLiteralExpression() { - var node = createNode(171); - parseExpected(20); - if (scanner.hasPrecedingLineBreak()) { - node.multiLine = true; - } - node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); - parseExpected(21); - return finishNode(node); - } - function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { - if (parseContextualModifier(124)) { - return parseAccessorDeclaration(150, fullStart, decorators, modifiers); - } - else if (parseContextualModifier(132)) { - return parseAccessorDeclaration(151, fullStart, decorators, modifiers); - } - return undefined; - } - function parseObjectLiteralElement() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - var asteriskToken = parseOptionalToken(38); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - var questionToken = parseOptionalToken(54); - if (asteriskToken || token() === 18 || token() === 26) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); - } - var isShorthandPropertyAssignment = tokenIsIdentifier && (token() === 25 || token() === 17 || token() === 57); - if (isShorthandPropertyAssignment) { - var shorthandDeclaration = createNode(254, fullStart); - shorthandDeclaration.name = propertyName; - shorthandDeclaration.questionToken = questionToken; - var equalsToken = parseOptionalToken(57); - if (equalsToken) { - shorthandDeclaration.equalsToken = equalsToken; - shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); - } - return addJSDocComment(finishNode(shorthandDeclaration)); - } - else { - var propertyAssignment = createNode(253, fullStart); - propertyAssignment.modifiers = modifiers; - propertyAssignment.name = propertyName; - propertyAssignment.questionToken = questionToken; - parseExpected(55); - propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); - return addJSDocComment(finishNode(propertyAssignment)); - } - } - function parseObjectLiteralExpression() { - var node = createNode(172); - parseExpected(16); - if (scanner.hasPrecedingLineBreak()) { - node.multiLine = true; - } - node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); - parseExpected(17); - return finishNode(node); - } - function parseFunctionExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var node = createNode(180); - node.modifiers = parseModifiers(); - parseExpected(88); - node.asteriskToken = parseOptionalToken(38); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(ts.getModifierFlags(node) & 256); - node.name = - isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : - isGenerator ? doInYieldContext(parseOptionalIdentifier) : - isAsync ? doInAwaitContext(parseOptionalIdentifier) : - parseOptionalIdentifier(); - fillSignature(55, isGenerator, isAsync, false, node); - node.body = parseFunctionBlock(isGenerator, isAsync, false); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return addJSDocComment(finishNode(node)); - } - function parseOptionalIdentifier() { - return isIdentifier() ? parseIdentifier() : undefined; - } - function parseNewExpression() { - var node = createNode(176); - parseExpected(93); - node.expression = parseMemberExpressionOrHigher(); - node.typeArguments = tryParse(parseTypeArgumentsInExpression); - if (node.typeArguments || token() === 18) { - node.arguments = parseArgumentList(); - } - return finishNode(node); - } - function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { - var node = createNode(200); - if (parseExpected(16, diagnosticMessage) || ignoreMissingOpenBrace) { - if (scanner.hasPrecedingLineBreak()) { - node.multiLine = true; - } - node.statements = parseList(1, parseStatement); - parseExpected(17); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { - var savedYieldContext = inYieldContext(); - setYieldContext(allowYield); - var savedAwaitContext = inAwaitContext(); - setAwaitContext(allowAwait); - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - return block; - } - function parseEmptyStatement() { - var node = createNode(202); - parseExpected(24); - return finishNode(node); - } - function parseIfStatement() { - var node = createNode(204); - parseExpected(89); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - node.thenStatement = parseStatement(); - node.elseStatement = parseOptional(81) ? parseStatement() : undefined; - return finishNode(node); - } - function parseDoStatement() { - var node = createNode(205); - parseExpected(80); - node.statement = parseStatement(); - parseExpected(105); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - parseOptional(24); - return finishNode(node); - } - function parseWhileStatement() { - var node = createNode(206); - parseExpected(105); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - node.statement = parseStatement(); - return finishNode(node); - } - function parseForOrForInOrForOfStatement() { - var pos = getNodePos(); - parseExpected(87); - parseExpected(18); - var initializer = undefined; - if (token() !== 24) { - if (token() === 103 || token() === 109 || token() === 75) { - initializer = parseVariableDeclarationList(true); - } - else { - initializer = disallowInAnd(parseExpression); - } - } - var forOrForInOrForOfStatement; - if (parseOptional(91)) { - var forInStatement = createNode(208, pos); - forInStatement.initializer = initializer; - forInStatement.expression = allowInAnd(parseExpression); - parseExpected(19); - forOrForInOrForOfStatement = forInStatement; - } - else if (parseOptional(139)) { - var forOfStatement = createNode(209, pos); - forOfStatement.initializer = initializer; - forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); - parseExpected(19); - forOrForInOrForOfStatement = forOfStatement; - } - else { - var forStatement = createNode(207, pos); - forStatement.initializer = initializer; - parseExpected(24); - if (token() !== 24 && token() !== 19) { - forStatement.condition = allowInAnd(parseExpression); - } - parseExpected(24); - if (token() !== 19) { - forStatement.incrementor = allowInAnd(parseExpression); - } - parseExpected(19); - forOrForInOrForOfStatement = forStatement; - } - forOrForInOrForOfStatement.statement = parseStatement(); - return finishNode(forOrForInOrForOfStatement); - } - function parseBreakOrContinueStatement(kind) { - var node = createNode(kind); - parseExpected(kind === 211 ? 71 : 76); - if (!canParseSemicolon()) { - node.label = parseIdentifier(); - } - parseSemicolon(); - return finishNode(node); - } - function parseReturnStatement() { - var node = createNode(212); - parseExpected(95); - if (!canParseSemicolon()) { - node.expression = allowInAnd(parseExpression); - } - parseSemicolon(); - return finishNode(node); - } - function parseWithStatement() { - var node = createNode(213); - parseExpected(106); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - node.statement = parseStatement(); - return finishNode(node); - } - function parseCaseClause() { - var node = createNode(249); - parseExpected(72); - node.expression = allowInAnd(parseExpression); - parseExpected(55); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseDefaultClause() { - var node = createNode(250); - parseExpected(78); - parseExpected(55); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseCaseOrDefaultClause() { - return token() === 72 ? parseCaseClause() : parseDefaultClause(); - } - function parseSwitchStatement() { - var node = createNode(214); - parseExpected(97); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - var caseBlock = createNode(228, scanner.getStartPos()); - parseExpected(16); - caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); - parseExpected(17); - node.caseBlock = finishNode(caseBlock); - return finishNode(node); - } - function parseThrowStatement() { - var node = createNode(216); - parseExpected(99); - node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); - parseSemicolon(); - return finishNode(node); - } - function parseTryStatement() { - var node = createNode(217); - parseExpected(101); - node.tryBlock = parseBlock(false); - node.catchClause = token() === 73 ? parseCatchClause() : undefined; - if (!node.catchClause || token() === 86) { - parseExpected(86); - node.finallyBlock = parseBlock(false); - } - return finishNode(node); - } - function parseCatchClause() { - var result = createNode(252); - parseExpected(73); - if (parseExpected(18)) { - result.variableDeclaration = parseVariableDeclaration(); - } - parseExpected(19); - result.block = parseBlock(false); - return finishNode(result); - } - function parseDebuggerStatement() { - var node = createNode(218); - parseExpected(77); - parseSemicolon(); - return finishNode(node); - } - function parseExpressionOrLabeledStatement() { - var fullStart = scanner.getStartPos(); - var expression = allowInAnd(parseExpression); - if (expression.kind === 70 && parseOptional(55)) { - var labeledStatement = createNode(215, fullStart); - labeledStatement.label = expression; - labeledStatement.statement = parseStatement(); - return addJSDocComment(finishNode(labeledStatement)); - } - else { - var expressionStatement = createNode(203, fullStart); - expressionStatement.expression = expression; - parseSemicolon(); - return addJSDocComment(finishNode(expressionStatement)); - } - } - function nextTokenIsIdentifierOrKeywordOnSameLine() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token()) && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsFunctionKeywordOnSameLine() { - nextToken(); - return token() === 88 && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { - nextToken(); - return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8) && !scanner.hasPrecedingLineBreak(); - } - function isDeclaration() { - while (true) { - switch (token()) { - case 103: - case 109: - case 75: - case 88: - case 74: - case 82: - return true; - case 108: - case 135: - return nextTokenIsIdentifierOnSameLine(); - case 126: - case 127: - return nextTokenIsIdentifierOrStringLiteralOnSameLine(); - case 116: - case 119: - case 123: - case 111: - case 112: - case 113: - case 129: - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - continue; - case 138: - nextToken(); - return token() === 16 || token() === 70 || token() === 83; - case 90: - nextToken(); - return token() === 9 || token() === 38 || - token() === 16 || ts.tokenIsIdentifierOrKeyword(token()); - case 83: - nextToken(); - if (token() === 57 || token() === 38 || - token() === 16 || token() === 78 || - token() === 117) { - return true; - } - continue; - case 114: - nextToken(); - continue; - default: - return false; - } - } - } - function isStartOfDeclaration() { - return lookAhead(isDeclaration); - } - function isStartOfStatement() { - switch (token()) { - case 56: - case 24: - case 16: - case 103: - case 109: - case 88: - case 74: - case 82: - case 89: - case 80: - case 105: - case 87: - case 76: - case 71: - case 95: - case 106: - case 97: - case 99: - case 101: - case 77: - case 73: - case 86: - return true; - case 75: - case 83: - case 90: - return isStartOfDeclaration(); - case 119: - case 123: - case 108: - case 126: - case 127: - case 135: - case 138: - return true; - case 113: - case 111: - case 112: - case 114: - case 129: - return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - default: - return isStartOfExpression(); - } - } - function nextTokenIsIdentifierOrStartOfDestructuring() { - nextToken(); - return isIdentifier() || token() === 16 || token() === 20; - } - function isLetDeclaration() { - return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); - } - function parseStatement() { - switch (token()) { - case 24: - return parseEmptyStatement(); - case 16: - return parseBlock(false); - case 103: - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - case 109: - if (isLetDeclaration()) { - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - } - break; - case 88: - return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); - case 74: - return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); - case 89: - return parseIfStatement(); - case 80: - return parseDoStatement(); - case 105: - return parseWhileStatement(); - case 87: - return parseForOrForInOrForOfStatement(); - case 76: - return parseBreakOrContinueStatement(210); - case 71: - return parseBreakOrContinueStatement(211); - case 95: - return parseReturnStatement(); - case 106: - return parseWithStatement(); - case 97: - return parseSwitchStatement(); - case 99: - return parseThrowStatement(); - case 101: - case 73: - case 86: - return parseTryStatement(); - case 77: - return parseDebuggerStatement(); - case 56: - return parseDeclaration(); - case 119: - case 108: - case 135: - case 126: - case 127: - case 123: - case 75: - case 82: - case 83: - case 90: - case 111: - case 112: - case 113: - case 116: - case 114: - case 129: - case 138: - if (isStartOfDeclaration()) { - return parseDeclaration(); - } - break; - } - return parseExpressionOrLabeledStatement(); - } - function parseDeclaration() { - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - switch (token()) { - case 103: - case 109: - case 75: - return parseVariableStatement(fullStart, decorators, modifiers); - case 88: - return parseFunctionDeclaration(fullStart, decorators, modifiers); - case 74: - return parseClassDeclaration(fullStart, decorators, modifiers); - case 108: - return parseInterfaceDeclaration(fullStart, decorators, modifiers); - case 135: - return parseTypeAliasDeclaration(fullStart, decorators, modifiers); - case 82: - return parseEnumDeclaration(fullStart, decorators, modifiers); - case 138: - case 126: - case 127: - return parseModuleDeclaration(fullStart, decorators, modifiers); - case 90: - return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); - case 83: - nextToken(); - switch (token()) { - case 78: - case 57: - return parseExportAssignment(fullStart, decorators, modifiers); - case 117: - return parseNamespaceExportDeclaration(fullStart, decorators, modifiers); - default: - return parseExportDeclaration(fullStart, decorators, modifiers); - } - default: - if (decorators || modifiers) { - var node = createMissingNode(240, true, ts.Diagnostics.Declaration_expected); - node.pos = fullStart; - node.decorators = decorators; - node.modifiers = modifiers; - return finishNode(node); - } - } - } - function nextTokenIsIdentifierOrStringLiteralOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 9); - } - function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { - if (token() !== 16 && canParseSemicolon()) { - parseSemicolon(); - return; - } - return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); - } - function parseArrayBindingElement() { - if (token() === 25) { - return createNode(194); - } - var node = createNode(170); - node.dotDotDotToken = parseOptionalToken(23); - node.name = parseIdentifierOrPattern(); - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingElement() { - var node = createNode(170); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - if (tokenIsIdentifier && token() !== 55) { - node.name = propertyName; - } - else { - parseExpected(55); - node.propertyName = propertyName; - node.name = parseIdentifierOrPattern(); - } - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingPattern() { - var node = createNode(168); - parseExpected(16); - node.elements = parseDelimitedList(9, parseObjectBindingElement); - parseExpected(17); - return finishNode(node); - } - function parseArrayBindingPattern() { - var node = createNode(169); - parseExpected(20); - node.elements = parseDelimitedList(10, parseArrayBindingElement); - parseExpected(21); - return finishNode(node); - } - function isIdentifierOrPattern() { - return token() === 16 || token() === 20 || isIdentifier(); - } - function parseIdentifierOrPattern() { - if (token() === 20) { - return parseArrayBindingPattern(); - } - if (token() === 16) { - return parseObjectBindingPattern(); - } - return parseIdentifier(); - } - function parseVariableDeclaration() { - var node = createNode(219); - node.name = parseIdentifierOrPattern(); - node.type = parseTypeAnnotation(); - if (!isInOrOfKeyword(token())) { - node.initializer = parseInitializer(false); - } - return finishNode(node); - } - function parseVariableDeclarationList(inForStatementInitializer) { - var node = createNode(220); - switch (token()) { - case 103: - break; - case 109: - node.flags |= 1; - break; - case 75: - node.flags |= 2; - break; - default: - ts.Debug.fail(); - } - nextToken(); - if (token() === 139 && lookAhead(canFollowContextualOfKeyword)) { - node.declarations = createMissingList(); - } - else { - var savedDisallowIn = inDisallowInContext(); - setDisallowInContext(inForStatementInitializer); - node.declarations = parseDelimitedList(8, parseVariableDeclaration); - setDisallowInContext(savedDisallowIn); - } - return finishNode(node); - } - function canFollowContextualOfKeyword() { - return nextTokenIsIdentifier() && nextToken() === 19; - } - function parseVariableStatement(fullStart, decorators, modifiers) { - var node = createNode(201, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - node.declarationList = parseVariableDeclarationList(false); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseFunctionDeclaration(fullStart, decorators, modifiers) { - var node = createNode(221, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(88); - node.asteriskToken = parseOptionalToken(38); - node.name = ts.hasModifier(node, 512) ? parseOptionalIdentifier() : parseIdentifier(); - var isGenerator = !!node.asteriskToken; - var isAsync = ts.hasModifier(node, 256); - fillSignature(55, isGenerator, isAsync, false, node); - node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseConstructorDeclaration(pos, decorators, modifiers) { - var node = createNode(149, pos); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(122); - fillSignature(55, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { - var method = createNode(148, fullStart); - method.decorators = decorators; - method.modifiers = modifiers; - method.asteriskToken = asteriskToken; - method.name = name; - method.questionToken = questionToken; - var isGenerator = !!asteriskToken; - var isAsync = ts.hasModifier(method, 256); - fillSignature(55, isGenerator, isAsync, false, method); - method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); - return addJSDocComment(finishNode(method)); - } - function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { - var property = createNode(146, fullStart); - property.decorators = decorators; - property.modifiers = modifiers; - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - property.initializer = ts.hasModifier(property, 32) - ? allowInAnd(parseNonParameterInitializer) - : doOutsideOfContext(65536 | 32768, parseNonParameterInitializer); - parseSemicolon(); - return addJSDocComment(finishNode(property)); - } - function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { - var asteriskToken = parseOptionalToken(38); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(54); - if (asteriskToken || token() === 18 || token() === 26) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); - } - else { - return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); - } - } - function parseNonParameterInitializer() { - return parseInitializer(false); - } - function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - node.name = parsePropertyName(); - fillSignature(55, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false); - return addJSDocComment(finishNode(node)); - } - function isClassMemberModifier(idToken) { - switch (idToken) { - case 113: - case 111: - case 112: - case 114: - case 129: - return true; - default: - return false; - } - } - function isClassMemberStart() { - var idToken; - if (token() === 56) { - return true; - } - while (ts.isModifierKind(token())) { - idToken = token(); - if (isClassMemberModifier(idToken)) { - return true; - } - nextToken(); - } - if (token() === 38) { - return true; - } - if (isLiteralPropertyName()) { - idToken = token(); - nextToken(); - } - if (token() === 20) { - return true; - } - if (idToken !== undefined) { - if (!ts.isKeyword(idToken) || idToken === 132 || idToken === 124) { - return true; - } - switch (token()) { - case 18: - case 26: - case 55: - case 57: - case 54: - return true; - default: - return canParseSemicolon(); - } - } - return false; - } - function parseDecorators() { - var decorators; - while (true) { - var decoratorStart = getNodePos(); - if (!parseOptional(56)) { - break; - } - var decorator = createNode(144, decoratorStart); - decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); - finishNode(decorator); - if (!decorators) { - decorators = createNodeArray([decorator], decoratorStart); - } - else { - decorators.push(decorator); - } - } - if (decorators) { - decorators.end = getNodeEnd(); - } - return decorators; - } - function parseModifiers(permitInvalidConstAsModifier) { - var modifiers; - while (true) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token(); - if (token() === 75 && permitInvalidConstAsModifier) { - if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { - break; - } - } - else { - if (!parseAnyContextualModifier()) { - break; - } - } - var modifier = finishNode(createNode(modifierKind, modifierStart)); - if (!modifiers) { - modifiers = createNodeArray([modifier], modifierStart); - } - else { - modifiers.push(modifier); - } - } - if (modifiers) { - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseModifiersForArrowFunction() { - var modifiers; - if (token() === 119) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token(); - nextToken(); - var modifier = finishNode(createNode(modifierKind, modifierStart)); - modifiers = createNodeArray([modifier], modifierStart); - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseClassElement() { - if (token() === 24) { - var result = createNode(199); - nextToken(); - return finishNode(result); - } - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(true); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - if (token() === 122) { - return parseConstructorDeclaration(fullStart, decorators, modifiers); - } - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); - } - if (ts.tokenIsIdentifierOrKeyword(token()) || - token() === 9 || - token() === 8 || - token() === 38 || - token() === 20) { - return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); - } - if (decorators || modifiers) { - var name_10 = createMissingNode(70, true, ts.Diagnostics.Declaration_expected); - return parsePropertyDeclaration(fullStart, decorators, modifiers, name_10, undefined); - } - ts.Debug.fail("Should not have attempted to parse class member declaration."); - } - function parseClassExpression() { - return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 193); - } - function parseClassDeclaration(fullStart, decorators, modifiers) { - return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 222); - } - function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(74); - node.name = parseNameOfClassDeclarationOrExpression(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(); - if (parseExpected(16)) { - node.members = parseClassMembers(); - parseExpected(17); - } - else { - node.members = createMissingList(); - } - return addJSDocComment(finishNode(node)); - } - function parseNameOfClassDeclarationOrExpression() { - return isIdentifier() && !isImplementsClause() - ? parseIdentifier() - : undefined; - } - function isImplementsClause() { - return token() === 107 && lookAhead(nextTokenIsIdentifierOrKeyword); - } - function parseHeritageClauses() { - if (isHeritageClause()) { - return parseList(20, parseHeritageClause); - } - return undefined; - } - function parseHeritageClause() { - if (token() === 84 || token() === 107) { - var node = createNode(251); - node.token = token(); - nextToken(); - node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); - return finishNode(node); - } - return undefined; - } - function parseExpressionWithTypeArguments() { - var node = createNode(195); - node.expression = parseLeftHandSideExpressionOrHigher(); - if (token() === 26) { - node.typeArguments = parseBracketedList(18, parseType, 26, 28); - } - return finishNode(node); - } - function isHeritageClause() { - return token() === 84 || token() === 107; - } - function parseClassMembers() { - return parseList(5, parseClassElement); - } - function parseInterfaceDeclaration(fullStart, decorators, modifiers) { - var node = createNode(223, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(108); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(); - node.members = parseObjectTypeMembers(); - return addJSDocComment(finishNode(node)); - } - function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { - var node = createNode(224, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(135); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - parseExpected(57); - node.type = parseType(); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseEnumMember() { - var node = createNode(255, scanner.getStartPos()); - node.name = parsePropertyName(); - node.initializer = allowInAnd(parseNonParameterInitializer); - return addJSDocComment(finishNode(node)); - } - function parseEnumDeclaration(fullStart, decorators, modifiers) { - var node = createNode(225, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(82); - node.name = parseIdentifier(); - if (parseExpected(16)) { - node.members = parseDelimitedList(6, parseEnumMember); - parseExpected(17); - } - else { - node.members = createMissingList(); - } - return addJSDocComment(finishNode(node)); - } - function parseModuleBlock() { - var node = createNode(227, scanner.getStartPos()); - if (parseExpected(16)) { - node.statements = parseList(1, parseStatement); - parseExpected(17); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { - var node = createNode(226, fullStart); - var namespaceFlag = flags & 16; - node.decorators = decorators; - node.modifiers = modifiers; - node.flags |= flags; - node.name = parseIdentifier(); - node.body = parseOptional(22) - ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 4 | namespaceFlag) - : parseModuleBlock(); - return addJSDocComment(finishNode(node)); - } - function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { - var node = createNode(226, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - if (token() === 138) { - node.name = parseIdentifier(); - node.flags |= 512; - } - else { - node.name = parseLiteralNode(true); - } - if (token() === 16) { - node.body = parseModuleBlock(); - } - else { - parseSemicolon(); - } - return finishNode(node); - } - function parseModuleDeclaration(fullStart, decorators, modifiers) { - var flags = 0; - if (token() === 138) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - else if (parseOptional(127)) { - flags |= 16; - } - else { - parseExpected(126); - if (token() === 9) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - } - return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); - } - function isExternalModuleReference() { - return token() === 130 && - lookAhead(nextTokenIsOpenParen); - } - function nextTokenIsOpenParen() { - return nextToken() === 18; - } - function nextTokenIsSlash() { - return nextToken() === 40; - } - function parseNamespaceExportDeclaration(fullStart, decorators, modifiers) { - var exportDeclaration = createNode(229, fullStart); - exportDeclaration.decorators = decorators; - exportDeclaration.modifiers = modifiers; - parseExpected(117); - parseExpected(127); - exportDeclaration.name = parseIdentifier(); - parseExpected(24); - return finishNode(exportDeclaration); - } - function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { - parseExpected(90); - var afterImportPos = scanner.getStartPos(); - var identifier; - if (isIdentifier()) { - identifier = parseIdentifier(); - if (token() !== 25 && token() !== 137) { - var importEqualsDeclaration = createNode(230, fullStart); - importEqualsDeclaration.decorators = decorators; - importEqualsDeclaration.modifiers = modifiers; - importEqualsDeclaration.name = identifier; - parseExpected(57); - importEqualsDeclaration.moduleReference = parseModuleReference(); - parseSemicolon(); - return addJSDocComment(finishNode(importEqualsDeclaration)); - } - } - var importDeclaration = createNode(231, fullStart); - importDeclaration.decorators = decorators; - importDeclaration.modifiers = modifiers; - if (identifier || - token() === 38 || - token() === 16) { - importDeclaration.importClause = parseImportClause(identifier, afterImportPos); - parseExpected(137); - } - importDeclaration.moduleSpecifier = parseModuleSpecifier(); - parseSemicolon(); - return finishNode(importDeclaration); - } - function parseImportClause(identifier, fullStart) { - var importClause = createNode(232, fullStart); - if (identifier) { - importClause.name = identifier; - } - if (!importClause.name || - parseOptional(25)) { - importClause.namedBindings = token() === 38 ? parseNamespaceImport() : parseNamedImportsOrExports(234); - } - return finishNode(importClause); - } - function parseModuleReference() { - return isExternalModuleReference() - ? parseExternalModuleReference() - : parseEntityName(false); - } - function parseExternalModuleReference() { - var node = createNode(241); - parseExpected(130); - parseExpected(18); - node.expression = parseModuleSpecifier(); - parseExpected(19); - return finishNode(node); - } - function parseModuleSpecifier() { - if (token() === 9) { - var result = parseLiteralNode(); - internIdentifier(result.text); - return result; - } - else { - return parseExpression(); - } - } - function parseNamespaceImport() { - var namespaceImport = createNode(233); - parseExpected(38); - parseExpected(117); - namespaceImport.name = parseIdentifier(); - return finishNode(namespaceImport); - } - function parseNamedImportsOrExports(kind) { - var node = createNode(kind); - node.elements = parseBracketedList(21, kind === 234 ? parseImportSpecifier : parseExportSpecifier, 16, 17); - return finishNode(node); - } - function parseExportSpecifier() { - return parseImportOrExportSpecifier(239); - } - function parseImportSpecifier() { - return parseImportOrExportSpecifier(235); - } - function parseImportOrExportSpecifier(kind) { - var node = createNode(kind); - var checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); - var checkIdentifierStart = scanner.getTokenPos(); - var checkIdentifierEnd = scanner.getTextPos(); - var identifierName = parseIdentifierName(); - if (token() === 117) { - node.propertyName = identifierName; - parseExpected(117); - checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); - checkIdentifierStart = scanner.getTokenPos(); - checkIdentifierEnd = scanner.getTextPos(); - node.name = parseIdentifierName(); - } - else { - node.name = identifierName; - } - if (kind === 235 && checkIdentifierIsKeyword) { - parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); - } - return finishNode(node); - } - function parseExportDeclaration(fullStart, decorators, modifiers) { - var node = createNode(237, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - if (parseOptional(38)) { - parseExpected(137); - node.moduleSpecifier = parseModuleSpecifier(); - } - else { - node.exportClause = parseNamedImportsOrExports(238); - if (token() === 137 || (token() === 9 && !scanner.hasPrecedingLineBreak())) { - parseExpected(137); - node.moduleSpecifier = parseModuleSpecifier(); - } - } - parseSemicolon(); - return finishNode(node); - } - function parseExportAssignment(fullStart, decorators, modifiers) { - var node = createNode(236, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - if (parseOptional(57)) { - node.isExportEquals = true; - } - else { - parseExpected(78); - } - node.expression = parseAssignmentExpressionOrHigher(); - parseSemicolon(); - return finishNode(node); - } - function processReferenceComments(sourceFile) { - var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); - var referencedFiles = []; - var typeReferenceDirectives = []; - var amdDependencies = []; - var amdModuleName; - while (true) { - var kind = triviaScanner.scan(); - if (kind !== 2) { - if (ts.isTrivia(kind)) { - continue; - } - else { - break; - } - } - var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; - var comment = sourceText.substring(range.pos, range.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); - if (referencePathMatchResult) { - var fileReference = referencePathMatchResult.fileReference; - sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var diagnosticMessage = referencePathMatchResult.diagnosticMessage; - if (fileReference) { - if (referencePathMatchResult.isTypeReferenceDirective) { - typeReferenceDirectives.push(fileReference); - } - else { - referencedFiles.push(fileReference); - } - } - if (diagnosticMessage) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); - } - } - else { - var amdModuleNameRegEx = /^\/\/\/\s*".length; - return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function parseQualifiedName(left) { - var result = createNode(140, left.pos); - result.left = left; - result.right = parseIdentifierName(); - return finishNode(result); - } - function parseJSDocRecordType() { - var result = createNode(265); - result.literal = parseTypeLiteral(); - return finishNode(result); - } - function parseJSDocNonNullableType() { - var result = createNode(264); - nextToken(); - result.type = parseJSDocType(); - return finishNode(result); - } - function parseJSDocTupleType() { - var result = createNode(262); - nextToken(); - result.types = parseDelimitedList(25, parseJSDocType); - checkForTrailingComma(result.types); - parseExpected(21); - return finishNode(result); - } - function checkForTrailingComma(list) { - if (parseDiagnostics.length === 0 && list.hasTrailingComma) { - var start = list.end - ",".length; - parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function parseJSDocUnionType() { - var result = createNode(261); - nextToken(); - result.types = parseJSDocTypeList(parseJSDocType()); - parseExpected(19); - return finishNode(result); - } - function parseJSDocTypeList(firstType) { - ts.Debug.assert(!!firstType); - var types = createNodeArray([firstType], firstType.pos); - while (parseOptional(48)) { - types.push(parseJSDocType()); - } - types.end = scanner.getStartPos(); - return types; - } - function parseJSDocAllType() { - var result = createNode(258); - nextToken(); - return finishNode(result); - } - function parseJSDocLiteralType() { - var result = createNode(282); - result.literal = parseLiteralTypeNode(); - return finishNode(result); - } - function parseJSDocUnknownOrNullableType() { - var pos = scanner.getStartPos(); - nextToken(); - if (token() === 25 || - token() === 17 || - token() === 19 || - token() === 28 || - token() === 57 || - token() === 48) { - var result = createNode(259, pos); - return finishNode(result); - } - else { - var result = createNode(263, pos); - result.type = parseJSDocType(); - return finishNode(result); - } - } - function parseIsolatedJSDocComment(content, start, length) { - initializeState(content, 4, undefined, 1); - sourceFile = { languageVariant: 0, text: content }; - var jsDoc = parseJSDocCommentWorker(start, length); - var diagnostics = parseDiagnostics; - clearState(); - return jsDoc ? { jsDoc: jsDoc, diagnostics: diagnostics } : undefined; - } - JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocComment(parent, start, length) { - var saveToken = currentToken; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var comment = parseJSDocCommentWorker(start, length); - if (comment) { - comment.parent = parent; - } - currentToken = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - return comment; - } - JSDocParser.parseJSDocComment = parseJSDocComment; - var JSDocState; - (function (JSDocState) { - JSDocState[JSDocState["BeginningOfLine"] = 0] = "BeginningOfLine"; - JSDocState[JSDocState["SawAsterisk"] = 1] = "SawAsterisk"; - JSDocState[JSDocState["SavingComments"] = 2] = "SavingComments"; - })(JSDocState || (JSDocState = {})); - function parseJSDocCommentWorker(start, length) { - var content = sourceText; - start = start || 0; - var end = length === undefined ? content.length : start + length; - length = end - start; - ts.Debug.assert(start >= 0); - ts.Debug.assert(start <= end); - ts.Debug.assert(end <= content.length); - var tags; - var comments = []; - var result; - if (!isJsDocStart(content, start)) { - return result; - } - scanner.scanRange(start + 3, length - 5, function () { - var advanceToken = true; - var state = 1; - var margin = undefined; - var indent = start - Math.max(content.lastIndexOf("\n", start), 0) + 4; - function pushComment(text) { - if (!margin) { - margin = indent; - } - comments.push(text); - indent += text.length; - } - nextJSDocToken(); - while (token() === 5) { - nextJSDocToken(); - } - if (token() === 4) { - state = 0; - nextJSDocToken(); - } - while (token() !== 1) { - switch (token()) { - case 56: - if (state === 0 || state === 1) { - removeTrailingNewlines(comments); - parseTag(indent); - state = 0; - advanceToken = false; - margin = undefined; - indent++; - } - else { - pushComment(scanner.getTokenText()); - } - break; - case 4: - comments.push(scanner.getTokenText()); - state = 0; - indent = 0; - break; - case 38: - var asterisk = scanner.getTokenText(); - if (state === 1) { - state = 2; - pushComment(asterisk); - } - else { - state = 1; - indent += asterisk.length; - } - break; - case 70: - pushComment(scanner.getTokenText()); - state = 2; - break; - case 5: - var whitespace = scanner.getTokenText(); - if (state === 2 || margin !== undefined && indent + whitespace.length > margin) { - comments.push(whitespace.slice(margin - indent - 1)); - } - indent += whitespace.length; - break; - case 1: - break; - default: - pushComment(scanner.getTokenText()); - break; - } - if (advanceToken) { - nextJSDocToken(); - } - else { - advanceToken = true; - } - } - removeLeadingNewlines(comments); - removeTrailingNewlines(comments); - result = createJSDocComment(); - }); - return result; - function removeLeadingNewlines(comments) { - while (comments.length && (comments[0] === "\n" || comments[0] === "\r")) { - comments.shift(); - } - } - function removeTrailingNewlines(comments) { - while (comments.length && (comments[comments.length - 1] === "\n" || comments[comments.length - 1] === "\r")) { - comments.pop(); - } - } - function isJsDocStart(content, start) { - return content.charCodeAt(start) === 47 && - content.charCodeAt(start + 1) === 42 && - content.charCodeAt(start + 2) === 42 && - content.charCodeAt(start + 3) !== 42; - } - function createJSDocComment() { - var result = createNode(273, start); - result.tags = tags; - result.comment = comments.length ? comments.join("") : undefined; - return finishNode(result, end); - } - function skipWhitespace() { - while (token() === 5 || token() === 4) { - nextJSDocToken(); - } - } - function parseTag(indent) { - ts.Debug.assert(token() === 56); - var atToken = createNode(56, scanner.getTokenPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifierName(); - skipWhitespace(); - if (!tagName) { - return; - } - var tag; - if (tagName) { - switch (tagName.text) { - case "param": - tag = parseParamTag(atToken, tagName); - break; - case "return": - case "returns": - tag = parseReturnTag(atToken, tagName); - break; - case "template": - tag = parseTemplateTag(atToken, tagName); - break; - case "type": - tag = parseTypeTag(atToken, tagName); - break; - case "typedef": - tag = parseTypedefTag(atToken, tagName); - break; - default: - tag = parseUnknownTag(atToken, tagName); - break; - } - } - else { - tag = parseUnknownTag(atToken, tagName); - } - if (!tag) { - return; - } - addTag(tag, parseTagComments(indent + tag.end - tag.pos)); - } - function parseTagComments(indent) { - var comments = []; - var state = 1; - var margin; - function pushComment(text) { - if (!margin) { - margin = indent; - } - comments.push(text); - indent += text.length; - } - while (token() !== 56 && token() !== 1) { - switch (token()) { - case 4: - if (state >= 1) { - state = 0; - comments.push(scanner.getTokenText()); - } - indent = 0; - break; - case 56: - break; - case 5: - if (state === 2) { - pushComment(scanner.getTokenText()); - } - else { - var whitespace = scanner.getTokenText(); - if (margin !== undefined && indent + whitespace.length > margin) { - comments.push(whitespace.slice(margin - indent - 1)); - } - indent += whitespace.length; - } - break; - case 38: - if (state === 0) { - state = 1; - indent += scanner.getTokenText().length; - break; - } - default: - state = 2; - pushComment(scanner.getTokenText()); - break; - } - if (token() === 56) { - break; - } - nextJSDocToken(); - } - removeLeadingNewlines(comments); - removeTrailingNewlines(comments); - return comments; - } - function parseUnknownTag(atToken, tagName) { - var result = createNode(274, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - return finishNode(result); - } - function addTag(tag, comments) { - tag.comment = comments.join(""); - if (!tags) { - tags = createNodeArray([tag], tag.pos); - } - else { - tags.push(tag); - } - tags.end = tag.end; - } - function tryParseTypeExpression() { - return tryParse(function () { - skipWhitespace(); - if (token() !== 16) { - return undefined; - } - return parseJSDocTypeExpression(); - }); - } - function parseParamTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name; - var isBracketed; - if (parseOptionalToken(20)) { - name = parseJSDocIdentifierName(); - skipWhitespace(); - isBracketed = true; - if (parseOptionalToken(57)) { - parseExpression(); - } - parseExpected(21); - } - else if (ts.tokenIsIdentifierOrKeyword(token())) { - name = parseJSDocIdentifierName(); - } - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var preName, postName; - if (typeExpression) { - postName = name; - } - else { - preName = name; - } - if (!typeExpression) { - typeExpression = tryParseTypeExpression(); - } - var result = createNode(275, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.preParameterName = preName; - result.typeExpression = typeExpression; - result.postParameterName = postName; - result.parameterName = postName || preName; - result.isBracketed = isBracketed; - return finishNode(result); - } - function parseReturnTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 276; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(276, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function parseTypeTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 277; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(277, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function parsePropertyTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name = parseJSDocIdentifierName(); - skipWhitespace(); - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var result = createNode(280, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.name = name; - result.typeExpression = typeExpression; - return finishNode(result); - } - function parseTypedefTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var typedefTag = createNode(279, atToken.pos); - typedefTag.atToken = atToken; - typedefTag.tagName = tagName; - typedefTag.name = parseJSDocIdentifierName(); - typedefTag.typeExpression = typeExpression; - skipWhitespace(); - if (typeExpression) { - if (typeExpression.type.kind === 267) { - var jsDocTypeReference = typeExpression.type; - if (jsDocTypeReference.name.kind === 70) { - var name_11 = jsDocTypeReference.name; - if (name_11.text === "Object") { - typedefTag.jsDocTypeLiteral = scanChildTags(); - } - } - } - if (!typedefTag.jsDocTypeLiteral) { - typedefTag.jsDocTypeLiteral = typeExpression.type; - } - } - else { - typedefTag.jsDocTypeLiteral = scanChildTags(); - } - return finishNode(typedefTag); - function scanChildTags() { - var jsDocTypeLiteral = createNode(281, scanner.getStartPos()); - var resumePos = scanner.getStartPos(); - var canParseTag = true; - var seenAsterisk = false; - var parentTagTerminated = false; - while (token() !== 1 && !parentTagTerminated) { - nextJSDocToken(); - switch (token()) { - case 56: - if (canParseTag) { - parentTagTerminated = !tryParseChildTag(jsDocTypeLiteral); - if (!parentTagTerminated) { - resumePos = scanner.getStartPos(); - } - } - seenAsterisk = false; - break; - case 4: - resumePos = scanner.getStartPos() - 1; - canParseTag = true; - seenAsterisk = false; - break; - case 38: - if (seenAsterisk) { - canParseTag = false; - } - seenAsterisk = true; - break; - case 70: - canParseTag = false; - case 1: - break; - } - } - scanner.setTextPos(resumePos); - return finishNode(jsDocTypeLiteral); - } - } - function tryParseChildTag(parentTag) { - ts.Debug.assert(token() === 56); - var atToken = createNode(56, scanner.getStartPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifierName(); - skipWhitespace(); - if (!tagName) { - return false; - } - switch (tagName.text) { - case "type": - if (parentTag.jsDocTypeTag) { - return false; - } - parentTag.jsDocTypeTag = parseTypeTag(atToken, tagName); - return true; - case "prop": - case "property": - if (!parentTag.jsDocPropertyTags) { - parentTag.jsDocPropertyTags = []; - } - var propertyTag = parsePropertyTag(atToken, tagName); - parentTag.jsDocPropertyTags.push(propertyTag); - return true; - } - return false; - } - function parseTemplateTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 278; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var typeParameters = createNodeArray(); - while (true) { - var name_12 = parseJSDocIdentifierName(); - skipWhitespace(); - if (!name_12) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var typeParameter = createNode(142, name_12.pos); - typeParameter.name = name_12; - finishNode(typeParameter); - typeParameters.push(typeParameter); - if (token() === 25) { - nextJSDocToken(); - skipWhitespace(); - } - else { - break; - } + processReferenceComments(sourceFile); + sourceFile.statements = parseList(0, parseStatement); + ts.Debug.assert(token() === 1); + sourceFile.endOfFileToken = parseTokenNode(); + setExternalModuleIndicator(sourceFile); + sourceFile.nodeCount = nodeCount; + sourceFile.identifierCount = identifierCount; + sourceFile.identifiers = identifiers; + sourceFile.parseDiagnostics = parseDiagnostics; + if (setParentNodes) { + fixupParentReferences(sourceFile); + } + return sourceFile; + } + function addJSDocComment(node) { + var comments = ts.getJsDocCommentsFromText(node, sourceFile.text); + if (comments) { + for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { + var comment = comments_2[_i]; + var jsDoc = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); + if (!jsDoc) { + continue; } - var result = createNode(278, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeParameters = typeParameters; - finishNode(result); - typeParameters.end = result.end; - return result; - } - function nextJSDocToken() { - return currentToken = scanner.scanJSDocToken(); - } - function parseJSDocIdentifierName() { - return createJSDocIdentifier(ts.tokenIsIdentifierOrKeyword(token())); - } - function createJSDocIdentifier(isIdentifier) { - if (!isIdentifier) { - parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); - return undefined; + if (!node.jsDocComments) { + node.jsDocComments = []; } - var pos = scanner.getTokenPos(); - var end = scanner.getTextPos(); - var result = createNode(70, pos); - result.text = content.substring(pos, end); - finishNode(result, end); - nextJSDocToken(); - return result; + node.jsDocComments.push(jsDoc); } } - JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; - })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); - })(Parser || (Parser = {})); - var IncrementalParser; - (function (IncrementalParser) { - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); - checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); - if (ts.textChangeRangeIsUnchanged(textChangeRange)) { - return sourceFile; - } - if (sourceFile.statements.length === 0) { - return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true, sourceFile.scriptKind); - } - var incrementalSourceFile = sourceFile; - ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); - incrementalSourceFile.hasBeenIncrementallyParsed = true; - var oldText = sourceFile.text; - var syntaxCursor = createSyntaxCursor(sourceFile); - var changeRange = extendToAffectedRange(sourceFile, textChangeRange); - checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); - ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); - ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); - ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); - var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; - updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); - var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true, sourceFile.scriptKind); - return result; + return node; } - IncrementalParser.updateSourceFile = updateSourceFile; - function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { - if (isArray) { - visitArray(element); - } - else { - visitNode(element); - } + function fixupParentReferences(rootNode) { + var parent = rootNode; + forEachChild(rootNode, visitNode); return; - function visitNode(node) { - var text = ""; - if (aggressiveChecks && shouldCheckNode(node)) { - text = oldText.substring(node.pos, node.end); - } - if (node._children) { - node._children = undefined; - } - node.pos += delta; - node.end += delta; - if (aggressiveChecks && shouldCheckNode(node)) { - ts.Debug.assert(text === newText.substring(node.pos, node.end)); - } - forEachChild(node, visitNode, visitArray); - if (node.jsDocComments) { - for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - forEachChild(jsDocComment, visitNode, visitArray); + function visitNode(n) { + if (n.parent !== parent) { + n.parent = parent; + var saveParent = parent; + parent = n; + forEachChild(n, visitNode); + if (n.jsDocComments) { + for (var _i = 0, _a = n.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + jsDocComment.parent = n; + parent = jsDocComment; + forEachChild(jsDocComment, visitNode); + } } - } - checkNodePositions(node, aggressiveChecks); - } - function visitArray(array) { - array._children = undefined; - array.pos += delta; - array.end += delta; - for (var _i = 0, array_9 = array; _i < array_9.length; _i++) { - var node = array_9[_i]; - visitNode(node); + parent = saveParent; } } } - function shouldCheckNode(node) { - switch (node.kind) { - case 9: - case 8: - case 70: - return true; - } - return false; + Parser.fixupParentReferences = fixupParentReferences; + function createSourceFile(fileName, languageVersion, scriptKind) { + var sourceFile = new SourceFileConstructor(256, 0, sourceText.length); + nodeCount++; + sourceFile.text = sourceText; + sourceFile.bindDiagnostics = []; + sourceFile.languageVersion = languageVersion; + sourceFile.fileName = ts.normalizePath(fileName); + sourceFile.languageVariant = getLanguageVariant(scriptKind); + sourceFile.isDeclarationFile = ts.fileExtensionIs(sourceFile.fileName, ".d.ts"); + sourceFile.scriptKind = scriptKind; + return sourceFile; } - function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { - ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); - ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); - ts.Debug.assert(element.pos <= element.end); - element.pos = Math.min(element.pos, changeRangeNewEnd); - if (element.end >= changeRangeOldEnd) { - element.end += delta; + function setContextFlag(val, flag) { + if (val) { + contextFlags |= flag; } else { - element.end = Math.min(element.end, changeRangeNewEnd); - } - ts.Debug.assert(element.pos <= element.end); - if (element.parent) { - ts.Debug.assert(element.pos >= element.parent.pos); - ts.Debug.assert(element.end <= element.parent.end); + contextFlags &= ~flag; } } - function checkNodePositions(node, aggressiveChecks) { - if (aggressiveChecks) { - var pos_2 = node.pos; - forEachChild(node, function (child) { - ts.Debug.assert(child.pos >= pos_2); - pos_2 = child.end; - }); - ts.Debug.assert(pos_2 <= node.end); - } + function setDisallowInContext(val) { + setContextFlag(val, 32768); } - function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { - visitNode(sourceFile); - return; - function visitNode(child) { - ts.Debug.assert(child.pos <= child.end); - if (child.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = child.end; - if (fullEnd >= changeStart) { - child.intersectsChange = true; - child._children = undefined; - adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - forEachChild(child, visitNode, visitArray); - checkNodePositions(child, aggressiveChecks); - return; - } - ts.Debug.assert(fullEnd < changeStart); - } - function visitArray(array) { - ts.Debug.assert(array.pos <= array.end); - if (array.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = array.end; - if (fullEnd >= changeStart) { - array.intersectsChange = true; - array._children = undefined; - adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - for (var _i = 0, array_10 = array; _i < array_10.length; _i++) { - var node = array_10[_i]; - visitNode(node); - } - return; - } - ts.Debug.assert(fullEnd < changeStart); - } + function setYieldContext(val) { + setContextFlag(val, 65536); } - function extendToAffectedRange(sourceFile, changeRange) { - var maxLookahead = 1; - var start = changeRange.span.start; - for (var i = 0; start > 0 && i <= maxLookahead; i++) { - var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); - ts.Debug.assert(nearestNode.pos <= start); - var position = nearestNode.pos; - start = Math.max(0, position - 1); - } - var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); - var finalLength = changeRange.newLength + (changeRange.span.start - start); - return ts.createTextChangeRange(finalSpan, finalLength); + function setDecoratorContext(val) { + setContextFlag(val, 131072); } - function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { - var bestResult = sourceFile; - var lastNodeEntirelyBeforePosition; - forEachChild(sourceFile, visit); - if (lastNodeEntirelyBeforePosition) { - var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); - if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { - bestResult = lastChildOfLastEntireNodeBeforePosition; - } - } - return bestResult; - function getLastChild(node) { - while (true) { - var lastChild = getLastChildWorker(node); - if (lastChild) { - node = lastChild; - } - else { - return node; - } - } - } - function getLastChildWorker(node) { - var last = undefined; - forEachChild(node, function (child) { - if (ts.nodeIsPresent(child)) { - last = child; - } - }); - return last; - } - function visit(child) { - if (ts.nodeIsMissing(child)) { - return; - } - if (child.pos <= position) { - if (child.pos >= bestResult.pos) { - bestResult = child; - } - if (position < child.end) { - forEachChild(child, visit); - return true; - } - else { - ts.Debug.assert(child.end <= position); - lastNodeEntirelyBeforePosition = child; - } - } - else { - ts.Debug.assert(child.pos > position); - return true; - } - } + function setAwaitContext(val) { + setContextFlag(val, 262144); } - function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { - var oldText = sourceFile.text; - if (textChangeRange) { - ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); - if (aggressiveChecks || ts.Debug.shouldAssert(3)) { - var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); - var newTextPrefix = newText.substr(0, textChangeRange.span.start); - ts.Debug.assert(oldTextPrefix === newTextPrefix); - var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); - var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); - ts.Debug.assert(oldTextSuffix === newTextSuffix); - } + function doOutsideOfContext(context, func) { + var contextFlagsToClear = context & contextFlags; + if (contextFlagsToClear) { + setContextFlag(false, contextFlagsToClear); + var result = func(); + setContextFlag(true, contextFlagsToClear); + return result; } + return func(); } - function createSyntaxCursor(sourceFile) { - var currentArray = sourceFile.statements; - var currentArrayIndex = 0; - ts.Debug.assert(currentArrayIndex < currentArray.length); - var current = currentArray[currentArrayIndex]; - var lastQueriedPosition = -1; - return { - currentNode: function (position) { - if (position !== lastQueriedPosition) { - if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { - currentArrayIndex++; - current = currentArray[currentArrayIndex]; - } - if (!current || current.pos !== position) { - findHighestListElementThatStartsAtPosition(position); - } - } - lastQueriedPosition = position; - ts.Debug.assert(!current || current.pos === position); - return current; - } - }; - function findHighestListElementThatStartsAtPosition(position) { - currentArray = undefined; - currentArrayIndex = -1; - current = undefined; - forEachChild(sourceFile, visitNode, visitArray); - return; - function visitNode(node) { - if (position >= node.pos && position < node.end) { - forEachChild(node, visitNode, visitArray); - return true; - } - return false; - } - function visitArray(array) { - if (position >= array.pos && position < array.end) { - for (var i = 0, n = array.length; i < n; i++) { - var child = array[i]; - if (child) { - if (child.pos === position) { - currentArray = array; - currentArrayIndex = i; - current = child; - return true; - } - else { - if (child.pos < position && position < child.end) { - forEachChild(child, visitNode, visitArray); - return true; - } - } - } - } - } - return false; - } + function doInsideOfContext(context, func) { + var contextFlagsToSet = context & ~contextFlags; + if (contextFlagsToSet) { + setContextFlag(true, contextFlagsToSet); + var result = func(); + setContextFlag(false, contextFlagsToSet); + return result; } + return func(); } - var InvalidPosition; - (function (InvalidPosition) { - InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; - })(InvalidPosition || (InvalidPosition = {})); - })(IncrementalParser || (IncrementalParser = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - (function (ModuleInstanceState) { - ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; - ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; - ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; - })(ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); - var ModuleInstanceState = ts.ModuleInstanceState; - function getModuleInstanceState(node) { - if (node.kind === 223 || node.kind === 224) { - return 0; + function allowInAnd(func) { + return doOutsideOfContext(32768, func); } - else if (ts.isConstEnumDeclaration(node)) { - return 2; + function disallowInAnd(func) { + return doInsideOfContext(32768, func); } - else if ((node.kind === 231 || node.kind === 230) && !(ts.hasModifier(node, 1))) { - return 0; + function doInYieldContext(func) { + return doInsideOfContext(65536, func); } - else if (node.kind === 227) { - var state_1 = 0; - ts.forEachChild(node, function (n) { - switch (getModuleInstanceState(n)) { - case 0: - return false; - case 2: - state_1 = 2; - return false; - case 1: - state_1 = 1; - return true; - } - }); - return state_1; + function doInDecoratorContext(func) { + return doInsideOfContext(131072, func); } - else if (node.kind === 226) { - var body = node.body; - return body ? getModuleInstanceState(body) : 1; + function doInAwaitContext(func) { + return doInsideOfContext(262144, func); } - else { - return 1; + function doOutsideOfAwaitContext(func) { + return doOutsideOfContext(262144, func); } - } - ts.getModuleInstanceState = getModuleInstanceState; - var ContainerFlags; - (function (ContainerFlags) { - ContainerFlags[ContainerFlags["None"] = 0] = "None"; - ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; - ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; - ContainerFlags[ContainerFlags["IsControlFlowContainer"] = 4] = "IsControlFlowContainer"; - ContainerFlags[ContainerFlags["IsFunctionLike"] = 8] = "IsFunctionLike"; - ContainerFlags[ContainerFlags["IsFunctionExpression"] = 16] = "IsFunctionExpression"; - ContainerFlags[ContainerFlags["HasLocals"] = 32] = "HasLocals"; - ContainerFlags[ContainerFlags["IsInterface"] = 64] = "IsInterface"; - ContainerFlags[ContainerFlags["IsObjectLiteralOrClassExpressionMethod"] = 128] = "IsObjectLiteralOrClassExpressionMethod"; - })(ContainerFlags || (ContainerFlags = {})); - var binder = createBinder(); - function bindSourceFile(file, options) { - ts.performance.mark("beforeBind"); - binder(file, options); - ts.performance.mark("afterBind"); - ts.performance.measure("Bind", "beforeBind", "afterBind"); - } - ts.bindSourceFile = bindSourceFile; - function createBinder() { - var file; - var options; - var languageVersion; - var parent; - var container; - var blockScopeContainer; - var lastContainer; - var seenThisKeyword; - var currentFlow; - var currentBreakTarget; - var currentContinueTarget; - var currentReturnTarget; - var currentTrueTarget; - var currentFalseTarget; - var preSwitchCaseFlow; - var activeLabels; - var hasExplicitReturn; - var emitFlags; - var inStrictMode; - var symbolCount = 0; - var Symbol; - var classifiableNames; - var unreachableFlow = { flags: 1 }; - var reportedUnreachableFlow = { flags: 1 }; - var subtreeTransformFlags = 0; - var skipTransformFlagAggregation; - function bindSourceFile(f, opts) { - file = f; - options = opts; - languageVersion = ts.getEmitScriptTarget(options); - inStrictMode = bindInStrictMode(file, opts); - classifiableNames = ts.createMap(); - symbolCount = 0; - skipTransformFlagAggregation = ts.isDeclarationFile(file); - Symbol = ts.objectAllocator.getSymbolConstructor(); - if (!file.locals) { - bind(file); - file.symbolCount = symbolCount; - file.classifiableNames = classifiableNames; + function doInYieldAndAwaitContext(func) { + return doInsideOfContext(65536 | 262144, func); + } + function inContext(flags) { + return (contextFlags & flags) !== 0; + } + function inYieldContext() { + return inContext(65536); + } + function inDisallowInContext() { + return inContext(32768); + } + function inDecoratorContext() { + return inContext(131072); + } + function inAwaitContext() { + return inContext(262144); + } + function parseErrorAtCurrentToken(message, arg0) { + var start = scanner.getTokenPos(); + var length = scanner.getTextPos() - start; + parseErrorAtPosition(start, length, message, arg0); + } + function parseErrorAtPosition(start, length, message, arg0) { + var lastError = ts.lastOrUndefined(parseDiagnostics); + if (!lastError || start !== lastError.start) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); } - file = undefined; - options = undefined; - languageVersion = undefined; - parent = undefined; - container = undefined; - blockScopeContainer = undefined; - lastContainer = undefined; - seenThisKeyword = false; - currentFlow = undefined; - currentBreakTarget = undefined; - currentContinueTarget = undefined; - currentReturnTarget = undefined; - currentTrueTarget = undefined; - currentFalseTarget = undefined; - activeLabels = undefined; - hasExplicitReturn = false; - emitFlags = 0; - subtreeTransformFlags = 0; + parseErrorBeforeNextFinishedNode = true; + } + function scanError(message, length) { + var pos = scanner.getTextPos(); + parseErrorAtPosition(pos, length || 0, message); + } + function getNodePos() { + return scanner.getStartPos(); + } + function getNodeEnd() { + return scanner.getStartPos(); } - return bindSourceFile; - function bindInStrictMode(file, opts) { - if (opts.alwaysStrict && !ts.isDeclarationFile(file)) { - return true; - } - else { - return !!file.externalModuleIndicator; - } + function token() { + return currentToken; } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); + function nextToken() { + return currentToken = scanner.scan(); } - function addDeclarationToSymbol(symbol, node, symbolFlags) { - symbol.flags |= symbolFlags; - node.symbol = symbol; - if (!symbol.declarations) { - symbol.declarations = []; + function reScanGreaterToken() { + return currentToken = scanner.reScanGreaterToken(); + } + function reScanSlashToken() { + return currentToken = scanner.reScanSlashToken(); + } + function reScanTemplateToken() { + return currentToken = scanner.reScanTemplateToken(); + } + function scanJsxIdentifier() { + return currentToken = scanner.scanJsxIdentifier(); + } + function scanJsxText() { + return currentToken = scanner.scanJsxToken(); + } + function scanJsxAttributeValue() { + return currentToken = scanner.scanJsxAttributeValue(); + } + function speculationHelper(callback, isLookAhead) { + var saveToken = currentToken; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var saveContextFlags = contextFlags; + var result = isLookAhead + ? scanner.lookAhead(callback) + : scanner.tryScan(callback); + ts.Debug.assert(saveContextFlags === contextFlags); + if (!result || isLookAhead) { + currentToken = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; } - symbol.declarations.push(node); - if (symbolFlags & 1952 && !symbol.exports) { - symbol.exports = ts.createMap(); + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, true); + } + function tryParse(callback) { + return speculationHelper(callback, false); + } + function isIdentifier() { + if (token() === 70) { + return true; } - if (symbolFlags & 6240 && !symbol.members) { - symbol.members = ts.createMap(); + if (token() === 115 && inYieldContext()) { + return false; } - if (symbolFlags & 107455) { - var valueDeclaration = symbol.valueDeclaration; - if (!valueDeclaration || - (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 226)) { - symbol.valueDeclaration = node; - } + if (token() === 120 && inAwaitContext()) { + return false; } + return token() > 106; } - function getDeclarationName(node) { - if (node.name) { - if (ts.isAmbientModule(node)) { - return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; - } - if (node.name.kind === 141) { - var nameExpression = node.name.expression; - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; - } - ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); - return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); + function parseExpected(kind, diagnosticMessage, shouldAdvance) { + if (shouldAdvance === void 0) { shouldAdvance = true; } + if (token() === kind) { + if (shouldAdvance) { + nextToken(); } - return node.name.text; + return true; } - switch (node.kind) { - case 149: - return "__constructor"; - case 157: - case 152: - return "__call"; - case 158: - case 153: - return "__new"; - case 154: - return "__index"; - case 237: - return "__export"; - case 236: - return node.isExportEquals ? "export=" : "default"; - case 188: - switch (ts.getSpecialPropertyAssignmentKind(node)) { - case 2: - return "export="; - case 1: - case 4: - return node.left.name.text; - case 3: - return node.left.expression.name.text; - } - ts.Debug.fail("Unknown binary declaration kind"); - break; - case 221: - case 222: - return ts.hasModifier(node, 512) ? "default" : undefined; - case 269: - return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; - case 143: - ts.Debug.assert(node.parent.kind === 269); - var functionType = node.parent; - var index = ts.indexOf(functionType.parameters, node); - return "arg" + index; - case 279: - var parentNode = node.parent && node.parent.parent; - var nameFromParentNode = void 0; - if (parentNode && parentNode.kind === 201) { - if (parentNode.declarationList.declarations.length > 0) { - var nameIdentifier = parentNode.declarationList.declarations[0].name; - if (nameIdentifier.kind === 70) { - nameFromParentNode = nameIdentifier.text; - } - } - } - return nameFromParentNode; + if (diagnosticMessage) { + parseErrorAtCurrentToken(diagnosticMessage); + } + else { + parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); } + return false; } - function getDisplayName(node) { - return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); + function parseOptional(t) { + if (token() === t) { + nextToken(); + return true; + } + return false; } - function declareSymbol(symbolTable, parent, node, includes, excludes) { - ts.Debug.assert(!ts.hasDynamicName(node)); - var isDefaultExport = ts.hasModifier(node, 512); - var name = isDefaultExport && parent ? "default" : getDeclarationName(node); - var symbol; - if (name === undefined) { - symbol = createSymbol(0, "__missing"); + function parseOptionalToken(t) { + if (token() === t) { + return parseTokenNode(); } - else { - symbol = symbolTable[name] || (symbolTable[name] = createSymbol(0, name)); - if (name && (includes & 788448)) { - classifiableNames[name] = name; - } - if (symbol.flags & excludes) { - if (symbol.isReplaceableByMethod) { - symbol = symbolTable[name] = createSymbol(0, name); - } - else { - if (node.name) { - node.name.parent = node; - } - var message_1 = symbol.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 - : ts.Diagnostics.Duplicate_identifier_0; - if (symbol.declarations && symbol.declarations.length) { - if (isDefaultExport) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - else { - if (symbol.declarations && symbol.declarations.length && - (isDefaultExport || (node.kind === 236 && !node.isExportEquals))) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - } - } - ts.forEach(symbol.declarations, function (declaration) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); - }); - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); - symbol = createSymbol(0, name); - } - } + return undefined; + } + function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { + return parseOptionalToken(t) || + createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + } + function parseTokenNode() { + var node = createNode(token()); + nextToken(); + return finishNode(node); + } + function canParseSemicolon() { + if (token() === 24) { + return true; } - addDeclarationToSymbol(symbol, node, includes); - symbol.parent = parent; - return symbol; + return token() === 17 || token() === 1 || scanner.hasPrecedingLineBreak(); } - function declareModuleMember(node, symbolFlags, symbolExcludes) { - var hasExportModifier = ts.getCombinedModifierFlags(node) & 1; - if (symbolFlags & 8388608) { - if (node.kind === 239 || (node.kind === 230 && hasExportModifier)) { - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + function parseSemicolon() { + if (canParseSemicolon()) { + if (token() === 24) { + nextToken(); } + return true; } else { - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32)) { - var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | - (symbolFlags & 793064 ? 2097152 : 0) | - (symbolFlags & 1920 ? 4194304 : 0); - var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); - local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - node.localSymbol = local; - return local; - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } + return parseExpected(24); } } - function bindContainer(node, containerFlags) { - var saveContainer = container; - var savedBlockScopeContainer = blockScopeContainer; - if (containerFlags & 1) { - container = blockScopeContainer = node; - if (containerFlags & 32) { - container.locals = ts.createMap(); - } - addToContainerChain(container); - } - else if (containerFlags & 2) { - blockScopeContainer = node; - blockScopeContainer.locals = undefined; + function createNode(kind, pos) { + nodeCount++; + if (!(pos >= 0)) { + pos = scanner.getStartPos(); } - if (containerFlags & 4) { - var saveCurrentFlow = currentFlow; - var saveBreakTarget = currentBreakTarget; - var saveContinueTarget = currentContinueTarget; - var saveReturnTarget = currentReturnTarget; - var saveActiveLabels = activeLabels; - var saveHasExplicitReturn = hasExplicitReturn; - var isIIFE = containerFlags & 16 && !!ts.getImmediatelyInvokedFunctionExpression(node); - if (isIIFE) { - currentReturnTarget = createBranchLabel(); - } - else { - currentFlow = { flags: 2 }; - if (containerFlags & (16 | 128)) { - currentFlow.container = node; - } - currentReturnTarget = undefined; - } - currentBreakTarget = undefined; - currentContinueTarget = undefined; - activeLabels = undefined; - hasExplicitReturn = false; - bindChildren(node); - node.flags &= ~32128; - if (!(currentFlow.flags & 1) && containerFlags & 8 && ts.nodeIsPresent(node.body)) { - node.flags |= 128; - if (hasExplicitReturn) - node.flags |= 256; - } - if (node.kind === 256) { - node.flags |= emitFlags; - } - if (isIIFE) { - addAntecedent(currentReturnTarget, currentFlow); - currentFlow = finishFlowLabel(currentReturnTarget); - } - else { - currentFlow = saveCurrentFlow; - } - currentBreakTarget = saveBreakTarget; - currentContinueTarget = saveContinueTarget; - currentReturnTarget = saveReturnTarget; - activeLabels = saveActiveLabels; - hasExplicitReturn = saveHasExplicitReturn; + return kind >= 140 ? new NodeConstructor(kind, pos, pos) : + kind === 70 ? new IdentifierConstructor(kind, pos, pos) : + new TokenConstructor(kind, pos, pos); + } + function createNodeArray(elements, pos) { + var array = (elements || []); + if (!(pos >= 0)) { + pos = getNodePos(); } - else if (containerFlags & 64) { - seenThisKeyword = false; - bindChildren(node); - node.flags = seenThisKeyword ? node.flags | 64 : node.flags & ~64; + array.pos = pos; + array.end = pos; + return array; + } + function finishNode(node, end) { + node.end = end === undefined ? scanner.getStartPos() : end; + if (contextFlags) { + node.flags |= contextFlags; } - else { - bindChildren(node); + if (parseErrorBeforeNextFinishedNode) { + parseErrorBeforeNextFinishedNode = false; + node.flags |= 524288; } - container = saveContainer; - blockScopeContainer = savedBlockScopeContainer; + return node; } - function bindChildren(node) { - if (skipTransformFlagAggregation) { - bindChildrenWorker(node); - } - else if (node.transformFlags & 536870912) { - skipTransformFlagAggregation = true; - bindChildrenWorker(node); - skipTransformFlagAggregation = false; + function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { + if (reportAtCurrentPosition) { + parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); } else { - var savedSubtreeTransformFlags = subtreeTransformFlags; - subtreeTransformFlags = 0; - bindChildrenWorker(node); - subtreeTransformFlags = savedSubtreeTransformFlags | computeTransformFlagsForNode(node, subtreeTransformFlags); + parseErrorAtCurrentToken(diagnosticMessage, arg0); } + var result = createNode(kind, scanner.getStartPos()); + result.text = ""; + return finishNode(result); } - function bindChildrenWorker(node) { - if (ts.isInJavaScriptFile(node) && node.jsDocComments) { - ts.forEach(node.jsDocComments, bind); + function internIdentifier(text) { + text = ts.escapeIdentifier(text); + return identifiers[text] || (identifiers[text] = text); + } + function createIdentifier(isIdentifier, diagnosticMessage) { + identifierCount++; + if (isIdentifier) { + var node = createNode(70); + if (token() !== 70) { + node.originalKeywordKind = token(); + } + node.text = internIdentifier(scanner.getTokenValue()); + nextToken(); + return finishNode(node); } - if (checkUnreachable(node)) { - ts.forEachChild(node, bind); - return; + return createMissingNode(70, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + } + function parseIdentifier(diagnosticMessage) { + return createIdentifier(isIdentifier(), diagnosticMessage); + } + function parseIdentifierName() { + return createIdentifier(ts.tokenIsIdentifierOrKeyword(token())); + } + function isLiteralPropertyName() { + return ts.tokenIsIdentifierOrKeyword(token()) || + token() === 9 || + token() === 8; + } + function parsePropertyNameWorker(allowComputedPropertyNames) { + if (token() === 9 || token() === 8) { + return parseLiteralNode(true); } - switch (node.kind) { - case 206: - bindWhileStatement(node); - break; - case 205: - bindDoStatement(node); - break; - case 207: - bindForStatement(node); - break; - case 208: - case 209: - bindForInOrForOfStatement(node); - break; - case 204: - bindIfStatement(node); - break; - case 212: - case 216: - bindReturnOrThrow(node); - break; - case 211: - case 210: - bindBreakOrContinueStatement(node); - break; - case 217: - bindTryStatement(node); - break; - case 214: - bindSwitchStatement(node); - break; - case 228: - bindCaseBlock(node); - break; - case 249: - bindCaseClause(node); - break; - case 215: - bindLabeledStatement(node); - break; - case 186: - bindPrefixUnaryExpressionFlow(node); - break; - case 187: - bindPostfixUnaryExpressionFlow(node); - break; - case 188: - bindBinaryExpressionFlow(node); - break; - case 182: - bindDeleteExpressionFlow(node); - break; - case 189: - bindConditionalExpressionFlow(node); - break; - case 219: - bindVariableDeclarationFlow(node); - break; - case 175: - bindCallExpressionFlow(node); - break; - default: - ts.forEachChild(node, bind); - break; + if (allowComputedPropertyNames && token() === 20) { + return parseComputedPropertyName(); } + return parseIdentifierName(); } - function isNarrowingExpression(expr) { - switch (expr.kind) { - case 70: - case 98: - case 173: - return isNarrowableReference(expr); - case 175: - return hasNarrowableArgument(expr); - case 179: - return isNarrowingExpression(expr.expression); - case 188: - return isNarrowingBinaryExpression(expr); - case 186: - return expr.operator === 50 && isNarrowingExpression(expr.operand); - } - return false; + function parsePropertyName() { + return parsePropertyNameWorker(true); } - function isNarrowableReference(expr) { - return expr.kind === 70 || - expr.kind === 98 || - expr.kind === 173 && isNarrowableReference(expr.expression); + function parseSimplePropertyName() { + return parsePropertyNameWorker(false); } - function hasNarrowableArgument(expr) { - if (expr.arguments) { - for (var _i = 0, _a = expr.arguments; _i < _a.length; _i++) { - var argument = _a[_i]; - if (isNarrowableReference(argument)) { - return true; - } + function isSimplePropertyName() { + return token() === 9 || token() === 8 || ts.tokenIsIdentifierOrKeyword(token()); + } + function parseComputedPropertyName() { + var node = createNode(141); + parseExpected(20); + node.expression = allowInAnd(parseExpression); + parseExpected(21); + return finishNode(node); + } + function parseContextualModifier(t) { + return token() === t && tryParse(nextTokenCanFollowModifier); + } + function nextTokenIsOnSameLineAndCanFollowModifier() { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + return canFollowModifier(); + } + function nextTokenCanFollowModifier() { + if (token() === 75) { + return nextToken() === 82; + } + if (token() === 83) { + nextToken(); + if (token() === 78) { + return lookAhead(nextTokenIsClassOrFunctionOrAsync); } + return token() !== 38 && token() !== 117 && token() !== 16 && canFollowModifier(); } - if (expr.expression.kind === 173 && - isNarrowableReference(expr.expression.expression)) { - return true; + if (token() === 78) { + return nextTokenIsClassOrFunctionOrAsync(); } - return false; + if (token() === 114) { + nextToken(); + return canFollowModifier(); + } + return nextTokenIsOnSameLineAndCanFollowModifier(); } - function isNarrowingTypeofOperands(expr1, expr2) { - return expr1.kind === 183 && isNarrowableOperand(expr1.expression) && expr2.kind === 9; + function parseAnyContextualModifier() { + return ts.isModifierKind(token()) && tryParse(nextTokenCanFollowModifier); } - function isNarrowingBinaryExpression(expr) { - switch (expr.operatorToken.kind) { - case 57: - return isNarrowableReference(expr.left); - case 31: - case 32: - case 33: - case 34: - return isNarrowableOperand(expr.left) || isNarrowableOperand(expr.right) || - isNarrowingTypeofOperands(expr.right, expr.left) || isNarrowingTypeofOperands(expr.left, expr.right); - case 92: - return isNarrowableOperand(expr.left); - case 25: - return isNarrowingExpression(expr.right); - } - return false; + function canFollowModifier() { + return token() === 20 + || token() === 16 + || token() === 38 + || token() === 23 + || isLiteralPropertyName(); } - function isNarrowableOperand(expr) { - switch (expr.kind) { - case 179: - return isNarrowableOperand(expr.expression); - case 188: - switch (expr.operatorToken.kind) { - case 57: - return isNarrowableOperand(expr.left); - case 25: - return isNarrowableOperand(expr.right); + function nextTokenIsClassOrFunctionOrAsync() { + nextToken(); + return token() === 74 || token() === 88 || + (token() === 119 && lookAhead(nextTokenIsFunctionKeywordOnSameLine)); + } + function isListElement(parsingContext, inErrorRecovery) { + var node = currentNode(parsingContext); + if (node) { + return true; + } + switch (parsingContext) { + case 0: + case 1: + case 3: + return !(token() === 24 && inErrorRecovery) && isStartOfStatement(); + case 2: + return token() === 72 || token() === 78; + case 4: + return lookAhead(isTypeMemberStart); + case 5: + return lookAhead(isClassMemberStart) || (token() === 24 && !inErrorRecovery); + case 6: + return token() === 20 || isLiteralPropertyName(); + case 12: + return token() === 20 || token() === 38 || isLiteralPropertyName(); + case 9: + return token() === 20 || isLiteralPropertyName(); + case 7: + if (token() === 16) { + return lookAhead(isValidHeritageClauseObjectLiteral); + } + if (!inErrorRecovery) { + return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); } + else { + return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + case 8: + return isIdentifierOrPattern(); + case 10: + return token() === 25 || token() === 23 || isIdentifierOrPattern(); + case 17: + return isIdentifier(); + case 11: + case 15: + return token() === 25 || token() === 23 || isStartOfExpression(); + case 16: + return isStartOfParameter(); + case 18: + case 19: + return token() === 25 || isStartOfType(); + case 20: + return isHeritageClause(); + case 21: + return ts.tokenIsIdentifierOrKeyword(token()); + case 13: + return ts.tokenIsIdentifierOrKeyword(token()) || token() === 16; + case 14: + return true; + case 22: + case 23: + case 25: + return JSDocParser.isJSDocType(); + case 24: + return isSimplePropertyName(); } - return isNarrowableReference(expr); + ts.Debug.fail("Non-exhaustive case in 'isListElement'."); } - function createBranchLabel() { - return { - flags: 4, - antecedents: undefined - }; + function isValidHeritageClauseObjectLiteral() { + ts.Debug.assert(token() === 16); + if (nextToken() === 17) { + var next = nextToken(); + return next === 25 || next === 16 || next === 84 || next === 107; + } + return true; } - function createLoopLabel() { - return { - flags: 8, - antecedents: undefined - }; + function nextTokenIsIdentifier() { + nextToken(); + return isIdentifier(); } - function setFlowNodeReferenced(flow) { - flow.flags |= flow.flags & 512 ? 1024 : 512; + function nextTokenIsIdentifierOrKeyword() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token()); } - function addAntecedent(label, antecedent) { - if (!(antecedent.flags & 1) && !ts.contains(label.antecedents, antecedent)) { - (label.antecedents || (label.antecedents = [])).push(antecedent); - setFlowNodeReferenced(antecedent); + function isHeritageClauseExtendsOrImplementsKeyword() { + if (token() === 107 || + token() === 84) { + return lookAhead(nextTokenIsStartOfExpression); } + return false; } - function createFlowCondition(flags, antecedent, expression) { - if (antecedent.flags & 1) { - return antecedent; - } - if (!expression) { - return flags & 32 ? antecedent : unreachableFlow; - } - if (expression.kind === 100 && flags & 64 || - expression.kind === 85 && flags & 32) { - return unreachableFlow; + function nextTokenIsStartOfExpression() { + nextToken(); + return isStartOfExpression(); + } + function isListTerminator(kind) { + if (token() === 1) { + return true; } - if (!isNarrowingExpression(expression)) { - return antecedent; + switch (kind) { + case 1: + case 2: + case 4: + case 5: + case 6: + case 12: + case 9: + case 21: + return token() === 17; + case 3: + return token() === 17 || token() === 72 || token() === 78; + case 7: + return token() === 16 || token() === 84 || token() === 107; + case 8: + return isVariableDeclaratorListTerminator(); + case 17: + return token() === 28 || token() === 18 || token() === 16 || token() === 84 || token() === 107; + case 11: + return token() === 19 || token() === 24; + case 15: + case 19: + case 10: + return token() === 21; + case 16: + return token() === 19 || token() === 21; + case 18: + return token() !== 25; + case 20: + return token() === 16 || token() === 17; + case 13: + return token() === 28 || token() === 40; + case 14: + return token() === 26 && lookAhead(nextTokenIsSlash); + case 22: + return token() === 19 || token() === 55 || token() === 17; + case 23: + return token() === 28 || token() === 17; + case 25: + return token() === 21 || token() === 17; + case 24: + return token() === 17; } - setFlowNodeReferenced(antecedent); - return { - flags: flags, - expression: expression, - antecedent: antecedent - }; } - function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) { - if (!isNarrowingExpression(switchStatement.expression)) { - return antecedent; + function isVariableDeclaratorListTerminator() { + if (canParseSemicolon()) { + return true; } - setFlowNodeReferenced(antecedent); - return { - flags: 128, - switchStatement: switchStatement, - clauseStart: clauseStart, - clauseEnd: clauseEnd, - antecedent: antecedent - }; - } - function createFlowAssignment(antecedent, node) { - setFlowNodeReferenced(antecedent); - return { - flags: 16, - antecedent: antecedent, - node: node - }; - } - function createFlowArrayMutation(antecedent, node) { - setFlowNodeReferenced(antecedent); - return { - flags: 256, - antecedent: antecedent, - node: node - }; - } - function finishFlowLabel(flow) { - var antecedents = flow.antecedents; - if (!antecedents) { - return unreachableFlow; + if (isInOrOfKeyword(token())) { + return true; } - if (antecedents.length === 1) { - return antecedents[0]; + if (token() === 35) { + return true; } - return flow; + return false; } - function isStatementCondition(node) { - var parent = node.parent; - switch (parent.kind) { - case 204: - case 206: - case 205: - return parent.expression === node; - case 207: - case 189: - return parent.condition === node; + function isInSomeParsingContext() { + for (var kind = 0; kind < 26; kind++) { + if (parsingContext & (1 << kind)) { + if (isListElement(kind, true) || isListTerminator(kind)) { + return true; + } + } } return false; } - function isLogicalExpression(node) { - while (true) { - if (node.kind === 179) { - node = node.expression; - } - else if (node.kind === 186 && node.operator === 50) { - node = node.operand; + function parseList(kind, parseElement) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = createNodeArray(); + while (!isListTerminator(kind)) { + if (isListElement(kind, false)) { + var element = parseListElement(kind, parseElement); + result.push(element); + continue; } - else { - return node.kind === 188 && (node.operatorToken.kind === 52 || - node.operatorToken.kind === 53); + if (abortParsingListOrMoveToNextToken(kind)) { + break; } } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; } - function isTopLevelLogicalExpression(node) { - while (node.parent.kind === 179 || - node.parent.kind === 186 && - node.parent.operator === 50) { - node = node.parent; + function parseListElement(parsingContext, parseElement) { + var node = currentNode(parsingContext); + if (node) { + return consumeNode(node); } - return !isStatementCondition(node) && !isLogicalExpression(node.parent); + return parseElement(); } - function bindCondition(node, trueTarget, falseTarget) { - var saveTrueTarget = currentTrueTarget; - var saveFalseTarget = currentFalseTarget; - currentTrueTarget = trueTarget; - currentFalseTarget = falseTarget; - bind(node); - currentTrueTarget = saveTrueTarget; - currentFalseTarget = saveFalseTarget; - if (!node || !isLogicalExpression(node)) { - addAntecedent(trueTarget, createFlowCondition(32, currentFlow, node)); - addAntecedent(falseTarget, createFlowCondition(64, currentFlow, node)); + function currentNode(parsingContext) { + if (parseErrorBeforeNextFinishedNode) { + return undefined; } + if (!syntaxCursor) { + return undefined; + } + var node = syntaxCursor.currentNode(scanner.getStartPos()); + if (ts.nodeIsMissing(node)) { + return undefined; + } + if (node.intersectsChange) { + return undefined; + } + if (ts.containsParseError(node)) { + return undefined; + } + var nodeContextFlags = node.flags & 1540096; + if (nodeContextFlags !== contextFlags) { + return undefined; + } + if (!canReuseNode(node, parsingContext)) { + return undefined; + } + return node; } - function bindIterativeStatement(node, breakTarget, continueTarget) { - var saveBreakTarget = currentBreakTarget; - var saveContinueTarget = currentContinueTarget; - currentBreakTarget = breakTarget; - currentContinueTarget = continueTarget; - bind(node); - currentBreakTarget = saveBreakTarget; - currentContinueTarget = saveContinueTarget; - } - function bindWhileStatement(node) { - var preWhileLabel = createLoopLabel(); - var preBodyLabel = createBranchLabel(); - var postWhileLabel = createBranchLabel(); - addAntecedent(preWhileLabel, currentFlow); - currentFlow = preWhileLabel; - bindCondition(node.expression, preBodyLabel, postWhileLabel); - currentFlow = finishFlowLabel(preBodyLabel); - bindIterativeStatement(node.statement, postWhileLabel, preWhileLabel); - addAntecedent(preWhileLabel, currentFlow); - currentFlow = finishFlowLabel(postWhileLabel); - } - function bindDoStatement(node) { - var preDoLabel = createLoopLabel(); - var preConditionLabel = createBranchLabel(); - var postDoLabel = createBranchLabel(); - addAntecedent(preDoLabel, currentFlow); - currentFlow = preDoLabel; - bindIterativeStatement(node.statement, postDoLabel, preConditionLabel); - addAntecedent(preConditionLabel, currentFlow); - currentFlow = finishFlowLabel(preConditionLabel); - bindCondition(node.expression, preDoLabel, postDoLabel); - currentFlow = finishFlowLabel(postDoLabel); + function consumeNode(node) { + scanner.setTextPos(node.end); + nextToken(); + return node; } - function bindForStatement(node) { - var preLoopLabel = createLoopLabel(); - var preBodyLabel = createBranchLabel(); - var postLoopLabel = createBranchLabel(); - bind(node.initializer); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = preLoopLabel; - bindCondition(node.condition, preBodyLabel, postLoopLabel); - currentFlow = finishFlowLabel(preBodyLabel); - bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); - bind(node.incrementor); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = finishFlowLabel(postLoopLabel); + function canReuseNode(node, parsingContext) { + switch (parsingContext) { + case 5: + return isReusableClassMember(node); + case 2: + return isReusableSwitchClause(node); + case 0: + case 1: + case 3: + return isReusableStatement(node); + case 6: + return isReusableEnumMember(node); + case 4: + return isReusableTypeMember(node); + case 8: + return isReusableVariableDeclaration(node); + case 16: + return isReusableParameter(node); + case 20: + case 17: + case 19: + case 18: + case 11: + case 12: + case 7: + case 13: + case 14: + } + return false; } - function bindForInOrForOfStatement(node) { - var preLoopLabel = createLoopLabel(); - var postLoopLabel = createBranchLabel(); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = preLoopLabel; - bind(node.expression); - addAntecedent(postLoopLabel, currentFlow); - bind(node.initializer); - if (node.initializer.kind !== 220) { - bindAssignmentTargetFlow(node.initializer); + function isReusableClassMember(node) { + if (node) { + switch (node.kind) { + case 149: + case 154: + case 150: + case 151: + case 146: + case 199: + return true; + case 148: + var methodDeclaration = node; + var nameIsConstructor = methodDeclaration.name.kind === 70 && + methodDeclaration.name.originalKeywordKind === 122; + return !nameIsConstructor; + } } - bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = finishFlowLabel(postLoopLabel); + return false; } - function bindIfStatement(node) { - var thenLabel = createBranchLabel(); - var elseLabel = createBranchLabel(); - var postIfLabel = createBranchLabel(); - bindCondition(node.expression, thenLabel, elseLabel); - currentFlow = finishFlowLabel(thenLabel); - bind(node.thenStatement); - addAntecedent(postIfLabel, currentFlow); - currentFlow = finishFlowLabel(elseLabel); - bind(node.elseStatement); - addAntecedent(postIfLabel, currentFlow); - currentFlow = finishFlowLabel(postIfLabel); + function isReusableSwitchClause(node) { + if (node) { + switch (node.kind) { + case 249: + case 250: + return true; + } + } + return false; } - function bindReturnOrThrow(node) { - bind(node.expression); - if (node.kind === 212) { - hasExplicitReturn = true; - if (currentReturnTarget) { - addAntecedent(currentReturnTarget, currentFlow); + function isReusableStatement(node) { + if (node) { + switch (node.kind) { + case 221: + case 201: + case 200: + case 204: + case 203: + case 216: + case 212: + case 214: + case 211: + case 210: + case 208: + case 209: + case 207: + case 206: + case 213: + case 202: + case 217: + case 215: + case 205: + case 218: + case 231: + case 230: + case 237: + case 236: + case 226: + case 222: + case 223: + case 225: + case 224: + return true; } } - currentFlow = unreachableFlow; + return false; } - function findActiveLabel(name) { - if (activeLabels) { - for (var _i = 0, activeLabels_1 = activeLabels; _i < activeLabels_1.length; _i++) { - var label = activeLabels_1[_i]; - if (label.name === name) { - return label; - } + function isReusableEnumMember(node) { + return node.kind === 255; + } + function isReusableTypeMember(node) { + if (node) { + switch (node.kind) { + case 153: + case 147: + case 154: + case 145: + case 152: + return true; } } - return undefined; + return false; } - function bindbreakOrContinueFlow(node, breakTarget, continueTarget) { - var flowLabel = node.kind === 211 ? breakTarget : continueTarget; - if (flowLabel) { - addAntecedent(flowLabel, currentFlow); - currentFlow = unreachableFlow; + function isReusableVariableDeclaration(node) { + if (node.kind !== 219) { + return false; } + var variableDeclarator = node; + return variableDeclarator.initializer === undefined; } - function bindBreakOrContinueStatement(node) { - bind(node.label); - if (node.label) { - var activeLabel = findActiveLabel(node.label.text); - if (activeLabel) { - activeLabel.referenced = true; - bindbreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget); - } - } - else { - bindbreakOrContinueFlow(node, currentBreakTarget, currentContinueTarget); + function isReusableParameter(node) { + if (node.kind !== 143) { + return false; } + var parameter = node; + return parameter.initializer === undefined; } - function bindTryStatement(node) { - var preFinallyLabel = createBranchLabel(); - var preTryFlow = currentFlow; - bind(node.tryBlock); - addAntecedent(preFinallyLabel, currentFlow); - var flowAfterTry = currentFlow; - var flowAfterCatch = unreachableFlow; - if (node.catchClause) { - currentFlow = preTryFlow; - bind(node.catchClause); - addAntecedent(preFinallyLabel, currentFlow); - flowAfterCatch = currentFlow; - } - if (node.finallyBlock) { - addAntecedent(preFinallyLabel, preTryFlow); - currentFlow = finishFlowLabel(preFinallyLabel); - bind(node.finallyBlock); - if (!(currentFlow.flags & 1)) { - if ((flowAfterTry.flags & 1) && (flowAfterCatch.flags & 1)) { - currentFlow = flowAfterTry === reportedUnreachableFlow || flowAfterCatch === reportedUnreachableFlow - ? reportedUnreachableFlow - : unreachableFlow; - } - } - } - else { - currentFlow = finishFlowLabel(preFinallyLabel); + function abortParsingListOrMoveToNextToken(kind) { + parseErrorAtCurrentToken(parsingContextErrors(kind)); + if (isInSomeParsingContext()) { + return true; } + nextToken(); + return false; } - function bindSwitchStatement(node) { - var postSwitchLabel = createBranchLabel(); - bind(node.expression); - var saveBreakTarget = currentBreakTarget; - var savePreSwitchCaseFlow = preSwitchCaseFlow; - currentBreakTarget = postSwitchLabel; - preSwitchCaseFlow = currentFlow; - bind(node.caseBlock); - addAntecedent(postSwitchLabel, currentFlow); - var hasDefault = ts.forEach(node.caseBlock.clauses, function (c) { return c.kind === 250; }); - node.possiblyExhaustive = !hasDefault && !postSwitchLabel.antecedents; - if (!hasDefault) { - addAntecedent(postSwitchLabel, createFlowSwitchClause(preSwitchCaseFlow, node, 0, 0)); + function parsingContextErrors(context) { + switch (context) { + case 0: return ts.Diagnostics.Declaration_or_statement_expected; + case 1: return ts.Diagnostics.Declaration_or_statement_expected; + case 2: return ts.Diagnostics.case_or_default_expected; + case 3: return ts.Diagnostics.Statement_expected; + case 4: return ts.Diagnostics.Property_or_signature_expected; + case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; + case 6: return ts.Diagnostics.Enum_member_expected; + case 7: return ts.Diagnostics.Expression_expected; + case 8: return ts.Diagnostics.Variable_declaration_expected; + case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; + case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; + case 11: return ts.Diagnostics.Argument_expression_expected; + case 12: return ts.Diagnostics.Property_assignment_expected; + case 15: return ts.Diagnostics.Expression_or_comma_expected; + case 16: return ts.Diagnostics.Parameter_declaration_expected; + case 17: return ts.Diagnostics.Type_parameter_declaration_expected; + case 18: return ts.Diagnostics.Type_argument_expected; + case 19: return ts.Diagnostics.Type_expected; + case 20: return ts.Diagnostics.Unexpected_token_expected; + case 21: return ts.Diagnostics.Identifier_expected; + case 13: return ts.Diagnostics.Identifier_expected; + case 14: return ts.Diagnostics.Identifier_expected; + case 22: return ts.Diagnostics.Parameter_declaration_expected; + case 23: return ts.Diagnostics.Type_argument_expected; + case 25: return ts.Diagnostics.Type_expected; + case 24: return ts.Diagnostics.Property_assignment_expected; } - currentBreakTarget = saveBreakTarget; - preSwitchCaseFlow = savePreSwitchCaseFlow; - currentFlow = finishFlowLabel(postSwitchLabel); } - function bindCaseBlock(node) { - var clauses = node.clauses; - var fallthroughFlow = unreachableFlow; - for (var i = 0; i < clauses.length; i++) { - var clauseStart = i; - while (!clauses[i].statements.length && i + 1 < clauses.length) { - bind(clauses[i]); - i++; + ; + function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimiter) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = createNodeArray(); + var commaStart = -1; + while (true) { + if (isListElement(kind, false)) { + result.push(parseListElement(kind, parseElement)); + commaStart = scanner.getTokenPos(); + if (parseOptional(25)) { + continue; + } + commaStart = -1; + if (isListTerminator(kind)) { + break; + } + parseExpected(25); + if (considerSemicolonAsDelimiter && token() === 24 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + } + continue; } - var preCaseLabel = createBranchLabel(); - addAntecedent(preCaseLabel, createFlowSwitchClause(preSwitchCaseFlow, node.parent, clauseStart, i + 1)); - addAntecedent(preCaseLabel, fallthroughFlow); - currentFlow = finishFlowLabel(preCaseLabel); - var clause = clauses[i]; - bind(clause); - fallthroughFlow = currentFlow; - if (!(currentFlow.flags & 1) && i !== clauses.length - 1 && options.noFallthroughCasesInSwitch) { - errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); + if (isListTerminator(kind)) { + break; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; } } + if (commaStart >= 0) { + result.hasTrailingComma = true; + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; } - function bindCaseClause(node) { - var saveCurrentFlow = currentFlow; - currentFlow = preSwitchCaseFlow; - bind(node.expression); - currentFlow = saveCurrentFlow; - ts.forEach(node.statements, bind); - } - function pushActiveLabel(name, breakTarget, continueTarget) { - var activeLabel = { - name: name, - breakTarget: breakTarget, - continueTarget: continueTarget, - referenced: false - }; - (activeLabels || (activeLabels = [])).push(activeLabel); - return activeLabel; - } - function popActiveLabel() { - activeLabels.pop(); + function createMissingList() { + return createNodeArray(); } - function bindLabeledStatement(node) { - var preStatementLabel = createLoopLabel(); - var postStatementLabel = createBranchLabel(); - bind(node.label); - addAntecedent(preStatementLabel, currentFlow); - var activeLabel = pushActiveLabel(node.label.text, postStatementLabel, preStatementLabel); - bind(node.statement); - popActiveLabel(); - if (!activeLabel.referenced && !options.allowUnusedLabels) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.label, ts.Diagnostics.Unused_label)); + function parseBracketedList(kind, parseElement, open, close) { + if (parseExpected(open)) { + var result = parseDelimitedList(kind, parseElement); + parseExpected(close); + return result; } - addAntecedent(postStatementLabel, currentFlow); - currentFlow = finishFlowLabel(postStatementLabel); + return createMissingList(); } - function bindDestructuringTargetFlow(node) { - if (node.kind === 188 && node.operatorToken.kind === 57) { - bindAssignmentTargetFlow(node.left); - } - else { - bindAssignmentTargetFlow(node); + function parseEntityName(allowReservedWords, diagnosticMessage) { + var entity = parseIdentifier(diagnosticMessage); + while (parseOptional(22)) { + var node = createNode(140, entity.pos); + node.left = entity; + node.right = parseRightSideOfDot(allowReservedWords); + entity = finishNode(node); } + return entity; } - function bindAssignmentTargetFlow(node) { - if (isNarrowableReference(node)) { - currentFlow = createFlowAssignment(currentFlow, node); - } - else if (node.kind === 171) { - for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { - var e = _a[_i]; - if (e.kind === 192) { - bindAssignmentTargetFlow(e.expression); - } - else { - bindDestructuringTargetFlow(e); - } - } - } - else if (node.kind === 172) { - for (var _b = 0, _c = node.properties; _b < _c.length; _b++) { - var p = _c[_b]; - if (p.kind === 253) { - bindDestructuringTargetFlow(p.initializer); - } - else if (p.kind === 254) { - bindAssignmentTargetFlow(p.name); - } + function parseRightSideOfDot(allowIdentifierNames) { + if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) { + var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + if (matchesPattern) { + return createMissingNode(70, true, ts.Diagnostics.Identifier_expected); } } + return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); } - function bindLogicalExpression(node, trueTarget, falseTarget) { - var preRightLabel = createBranchLabel(); - if (node.operatorToken.kind === 52) { - bindCondition(node.left, preRightLabel, falseTarget); + function parseTemplateExpression() { + var template = createNode(190); + template.head = parseTemplateHead(); + ts.Debug.assert(template.head.kind === 13, "Template head has wrong token kind"); + var templateSpans = createNodeArray(); + do { + templateSpans.push(parseTemplateSpan()); + } while (ts.lastOrUndefined(templateSpans).literal.kind === 14); + templateSpans.end = getNodeEnd(); + template.templateSpans = templateSpans; + return finishNode(template); + } + function parseTemplateSpan() { + var span = createNode(198); + span.expression = allowInAnd(parseExpression); + var literal; + if (token() === 17) { + reScanTemplateToken(); + literal = parseTemplateMiddleOrTemplateTail(); } else { - bindCondition(node.left, trueTarget, preRightLabel); + literal = parseExpectedToken(15, false, ts.Diagnostics._0_expected, ts.tokenToString(17)); } - currentFlow = finishFlowLabel(preRightLabel); - bind(node.operatorToken); - bindCondition(node.right, trueTarget, falseTarget); + span.literal = literal; + return finishNode(span); } - function bindPrefixUnaryExpressionFlow(node) { - if (node.operator === 50) { - var saveTrueTarget = currentTrueTarget; - currentTrueTarget = currentFalseTarget; - currentFalseTarget = saveTrueTarget; - ts.forEachChild(node, bind); - currentFalseTarget = currentTrueTarget; - currentTrueTarget = saveTrueTarget; + function parseLiteralNode(internName) { + return parseLiteralLikeNode(token(), internName); + } + function parseTemplateHead() { + var fragment = parseLiteralLikeNode(token(), false); + ts.Debug.assert(fragment.kind === 13, "Template head has wrong token kind"); + return fragment; + } + function parseTemplateMiddleOrTemplateTail() { + var fragment = parseLiteralLikeNode(token(), false); + ts.Debug.assert(fragment.kind === 14 || fragment.kind === 15, "Template fragment has wrong token kind"); + return fragment; + } + function parseLiteralLikeNode(kind, internName) { + var node = createNode(kind); + var text = scanner.getTokenValue(); + node.text = internName ? internIdentifier(text) : text; + if (scanner.hasExtendedUnicodeEscape()) { + node.hasExtendedUnicodeEscape = true; } - else { - ts.forEachChild(node, bind); - if (node.operator === 42 || node.operator === 43) { - bindAssignmentTargetFlow(node.operand); - } + if (scanner.isUnterminated()) { + node.isUnterminated = true; + } + var tokenPos = scanner.getTokenPos(); + nextToken(); + finishNode(node); + if (node.kind === 8 + && sourceText.charCodeAt(tokenPos) === 48 + && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { + node.isOctalLiteral = true; } + return node; } - function bindPostfixUnaryExpressionFlow(node) { - ts.forEachChild(node, bind); - if (node.operator === 42 || node.operator === 43) { - bindAssignmentTargetFlow(node.operand); + function parseTypeReference() { + var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); + var node = createNode(156, typeName.pos); + node.typeName = typeName; + if (!scanner.hasPrecedingLineBreak() && token() === 26) { + node.typeArguments = parseBracketedList(18, parseType, 26, 28); } + return finishNode(node); } - function bindBinaryExpressionFlow(node) { - var operator = node.operatorToken.kind; - if (operator === 52 || operator === 53) { - if (isTopLevelLogicalExpression(node)) { - var postExpressionLabel = createBranchLabel(); - bindLogicalExpression(node, postExpressionLabel, postExpressionLabel); - currentFlow = finishFlowLabel(postExpressionLabel); + function parseThisTypePredicate(lhs) { + nextToken(); + var node = createNode(155, lhs.pos); + node.parameterName = lhs; + node.type = parseType(); + return finishNode(node); + } + function parseThisTypeNode() { + var node = createNode(166); + nextToken(); + return finishNode(node); + } + function parseTypeQuery() { + var node = createNode(159); + parseExpected(102); + node.exprName = parseEntityName(true); + return finishNode(node); + } + function parseTypeParameter() { + var node = createNode(142); + node.name = parseIdentifier(); + if (parseOptional(84)) { + if (isStartOfType() || !isStartOfExpression()) { + node.constraint = parseType(); } else { - bindLogicalExpression(node, currentTrueTarget, currentFalseTarget); - } - } - else { - ts.forEachChild(node, bind); - if (operator === 57 && !ts.isAssignmentTarget(node)) { - bindAssignmentTargetFlow(node.left); - if (node.left.kind === 174) { - var elementAccess = node.left; - if (isNarrowableOperand(elementAccess.expression)) { - currentFlow = createFlowArrayMutation(currentFlow, node); - } - } + node.expression = parseUnaryExpressionOrHigher(); } } + return finishNode(node); } - function bindDeleteExpressionFlow(node) { - ts.forEachChild(node, bind); - if (node.expression.kind === 173) { - bindAssignmentTargetFlow(node.expression); + function parseTypeParameters() { + if (token() === 26) { + return parseBracketedList(17, parseTypeParameter, 26, 28); } } - function bindConditionalExpressionFlow(node) { - var trueLabel = createBranchLabel(); - var falseLabel = createBranchLabel(); - var postExpressionLabel = createBranchLabel(); - bindCondition(node.condition, trueLabel, falseLabel); - currentFlow = finishFlowLabel(trueLabel); - bind(node.whenTrue); - addAntecedent(postExpressionLabel, currentFlow); - currentFlow = finishFlowLabel(falseLabel); - bind(node.whenFalse); - addAntecedent(postExpressionLabel, currentFlow); - currentFlow = finishFlowLabel(postExpressionLabel); - } - function bindInitializedVariableFlow(node) { - var name = !ts.isOmittedExpression(node) ? node.name : undefined; - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var child = _a[_i]; - bindInitializedVariableFlow(child); - } - } - else { - currentFlow = createFlowAssignment(currentFlow, node); + function parseParameterType() { + if (parseOptional(55)) { + return parseType(); } + return undefined; } - function bindVariableDeclarationFlow(node) { - ts.forEachChild(node, bind); - if (node.initializer || node.parent.parent.kind === 208 || node.parent.parent.kind === 209) { - bindInitializedVariableFlow(node); - } + function isStartOfParameter() { + return token() === 23 || isIdentifierOrPattern() || ts.isModifierKind(token()) || token() === 56 || token() === 98; } - function bindCallExpressionFlow(node) { - var expr = node.expression; - while (expr.kind === 179) { - expr = expr.expression; - } - if (expr.kind === 180 || expr.kind === 181) { - ts.forEach(node.typeArguments, bind); - ts.forEach(node.arguments, bind); - bind(node.expression); - } - else { - ts.forEachChild(node, bind); - } - if (node.expression.kind === 173) { - var propertyAccess = node.expression; - if (isNarrowableOperand(propertyAccess.expression) && ts.isPushOrUnshiftIdentifier(propertyAccess.name)) { - currentFlow = createFlowArrayMutation(currentFlow, node); - } + function parseParameter() { + var node = createNode(143); + if (token() === 98) { + node.name = createIdentifier(true, undefined); + node.type = parseParameterType(); + return finishNode(node); } - } - function getContainerFlags(node) { - switch (node.kind) { - case 193: - case 222: - case 225: - case 172: - case 160: - case 281: - case 265: - return 1; - case 223: - return 1 | 64; - case 269: - case 226: - case 224: - return 1 | 32; - case 256: - return 1 | 4 | 32; - case 148: - if (ts.isObjectLiteralOrClassExpressionMethod(node)) { - return 1 | 4 | 32 | 8 | 128; - } - case 149: - case 221: - case 147: - case 150: - case 151: - case 152: - case 153: - case 154: - case 157: - case 158: - return 1 | 4 | 32 | 8; - case 180: - case 181: - return 1 | 4 | 32 | 8 | 16; - case 227: - return 4; - case 146: - return node.initializer ? 4 : 0; - case 252: - case 207: - case 208: - case 209: - case 228: - return 2; - case 200: - return ts.isFunctionLike(node.parent) ? 0 : 2; + node.decorators = parseDecorators(); + node.modifiers = parseModifiers(); + node.dotDotDotToken = parseOptionalToken(23); + node.name = parseIdentifierOrPattern(); + if (ts.getFullWidth(node.name) === 0 && !ts.hasModifiers(node) && ts.isModifierKind(token())) { + nextToken(); } - return 0; + node.questionToken = parseOptionalToken(54); + node.type = parseParameterType(); + node.initializer = parseBindingElementInitializer(true); + return addJSDocComment(finishNode(node)); } - function addToContainerChain(next) { - if (lastContainer) { - lastContainer.nextContainer = next; - } - lastContainer = next; + function parseBindingElementInitializer(inParameter) { + return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); } - function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { - return declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); + function parseParameterInitializer() { + return parseInitializer(true); } - function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { - switch (container.kind) { - case 226: - return declareModuleMember(node, symbolFlags, symbolExcludes); - case 256: - return declareSourceFileMember(node, symbolFlags, symbolExcludes); - case 193: - case 222: - return declareClassMember(node, symbolFlags, symbolExcludes); - case 225: - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - case 160: - case 172: - case 223: - case 265: - case 281: - return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - case 157: - case 158: - case 152: - case 153: - case 154: - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 180: - case 181: - case 269: - case 224: - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { + var returnTokenRequired = returnToken === 35; + signature.typeParameters = parseTypeParameters(); + signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); + if (returnTokenRequired) { + parseExpected(returnToken); + signature.type = parseTypeOrTypePredicate(); + } + else if (parseOptional(returnToken)) { + signature.type = parseTypeOrTypePredicate(); } } - function declareClassMember(node, symbolFlags, symbolExcludes) { - return ts.hasModifier(node, 32) - ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) - : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - } - function declareSourceFileMember(node, symbolFlags, symbolExcludes) { - return ts.isExternalModule(file) - ? declareModuleMember(node, symbolFlags, symbolExcludes) - : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); - } - function hasExportDeclarations(node) { - var body = node.kind === 256 ? node : node.body; - if (body && (body.kind === 256 || body.kind === 227)) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var stat = _a[_i]; - if (stat.kind === 237 || stat.kind === 236) { - return true; - } + function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { + if (parseExpected(18)) { + var savedYieldContext = inYieldContext(); + var savedAwaitContext = inAwaitContext(); + setYieldContext(yieldContext); + setAwaitContext(awaitContext); + var result = parseDelimitedList(16, parseParameter); + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + if (!parseExpected(19) && requireCompleteParameterList) { + return undefined; } + return result; } - return false; + return requireCompleteParameterList ? undefined : createMissingList(); } - function setExportContextFlag(node) { - if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { - node.flags |= 32; + function parseTypeMemberSemicolon() { + if (parseOptional(25)) { + return; } - else { - node.flags &= ~32; + parseSemicolon(); + } + function parseSignatureMember(kind) { + var node = createNode(kind); + if (kind === 153) { + parseExpected(93); } + fillSignature(55, false, false, false, node); + parseTypeMemberSemicolon(); + return addJSDocComment(finishNode(node)); } - function bindModuleDeclaration(node) { - setExportContextFlag(node); - if (ts.isAmbientModule(node)) { - if (ts.hasModifier(node, 1)) { - errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); - } - if (ts.isExternalModuleAugmentation(node)) { - declareSymbolAndAddToSymbolTable(node, 1024, 0); - } - else { - var pattern = void 0; - if (node.name.kind === 9) { - var text = node.name.text; - if (ts.hasZeroOrOneAsteriskCharacter(text)) { - pattern = ts.tryParsePattern(text); - } - else { - errorOnFirstToken(node.name, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, text); - } - } - var symbol = declareSymbolAndAddToSymbolTable(node, 512, 106639); - if (pattern) { - (file.patternAmbientModules || (file.patternAmbientModules = [])).push({ pattern: pattern, symbol: symbol }); - } + function isIndexSignature() { + if (token() !== 20) { + return false; + } + return lookAhead(isUnambiguouslyIndexSignature); + } + function isUnambiguouslyIndexSignature() { + nextToken(); + if (token() === 23 || token() === 21) { + return true; + } + if (ts.isModifierKind(token())) { + nextToken(); + if (isIdentifier()) { + return true; } } + else if (!isIdentifier()) { + return false; + } else { - var state = getModuleInstanceState(node); - if (state === 0) { - declareSymbolAndAddToSymbolTable(node, 1024, 0); - } - else { - declareSymbolAndAddToSymbolTable(node, 512, 106639); - if (node.symbol.flags & (16 | 32 | 256)) { - node.symbol.constEnumOnlyModule = false; - } - else { - var currentModuleIsConstEnumOnly = state === 2; - if (node.symbol.constEnumOnlyModule === undefined) { - node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; - } - else { - node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; - } - } - } + nextToken(); + } + if (token() === 55 || token() === 25) { + return true; + } + if (token() !== 54) { + return false; } + nextToken(); + return token() === 55 || token() === 25 || token() === 21; } - function bindFunctionOrConstructorType(node) { - var symbol = createSymbol(131072, getDeclarationName(node)); - addDeclarationToSymbol(symbol, node, 131072); - var typeLiteralSymbol = createSymbol(2048, "__type"); - addDeclarationToSymbol(typeLiteralSymbol, node, 2048); - typeLiteralSymbol.members = ts.createMap(); - typeLiteralSymbol.members[symbol.name] = symbol; + function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { + var node = createNode(154, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + node.parameters = parseBracketedList(16, parseParameter, 20, 21); + node.type = parseTypeAnnotation(); + parseTypeMemberSemicolon(); + return finishNode(node); } - function bindObjectLiteralExpression(node) { - var ElementKind; - (function (ElementKind) { - ElementKind[ElementKind["Property"] = 1] = "Property"; - ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; - })(ElementKind || (ElementKind = {})); - if (inStrictMode) { - var seen = ts.createMap(); - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - if (prop.name.kind !== 70) { - continue; - } - var identifier = prop.name; - var currentKind = prop.kind === 253 || prop.kind === 254 || prop.kind === 148 - ? 1 - : 2; - var existingKind = seen[identifier.text]; - if (!existingKind) { - seen[identifier.text] = currentKind; - continue; - } - if (currentKind === 1 && existingKind === 1) { - var span_1 = ts.getErrorSpanForNode(file, identifier); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_1.start, span_1.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); - } + function parsePropertyOrMethodSignature(fullStart, modifiers) { + var name = parsePropertyName(); + var questionToken = parseOptionalToken(54); + if (token() === 18 || token() === 26) { + var method = createNode(147, fullStart); + method.modifiers = modifiers; + method.name = name; + method.questionToken = questionToken; + fillSignature(55, false, false, false, method); + parseTypeMemberSemicolon(); + return addJSDocComment(finishNode(method)); + } + else { + var property = createNode(145, fullStart); + property.modifiers = modifiers; + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + if (token() === 57) { + property.initializer = parseNonParameterInitializer(); } + parseTypeMemberSemicolon(); + return addJSDocComment(finishNode(property)); } - return bindAnonymousDeclaration(node, 4096, "__object"); } - function bindAnonymousDeclaration(node, symbolFlags, name) { - var symbol = createSymbol(symbolFlags, name); - addDeclarationToSymbol(symbol, node, symbolFlags); + function isTypeMemberStart() { + var idToken; + if (token() === 18 || token() === 26) { + return true; + } + while (ts.isModifierKind(token())) { + idToken = token(); + nextToken(); + } + if (token() === 20) { + return true; + } + if (isLiteralPropertyName()) { + idToken = token(); + nextToken(); + } + if (idToken) { + return token() === 18 || + token() === 26 || + token() === 54 || + token() === 55 || + token() === 25 || + canParseSemicolon(); + } + return false; } - function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { - switch (blockScopeContainer.kind) { - case 226: - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - case 256: - if (ts.isExternalModule(container)) { - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - } - default: - if (!blockScopeContainer.locals) { - blockScopeContainer.locals = ts.createMap(); - addToContainerChain(blockScopeContainer); - } - declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + function parseTypeMember() { + if (token() === 18 || token() === 26) { + return parseSignatureMember(152); + } + if (token() === 93 && lookAhead(isStartOfConstructSignature)) { + return parseSignatureMember(153); + } + var fullStart = getNodePos(); + var modifiers = parseModifiers(); + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, undefined, modifiers); } + return parsePropertyOrMethodSignature(fullStart, modifiers); } - function bindBlockScopedVariableDeclaration(node) { - bindBlockScopedDeclaration(node, 2, 107455); + function isStartOfConstructSignature() { + nextToken(); + return token() === 18 || token() === 26; } - function checkStrictModeIdentifier(node) { - if (inStrictMode && - node.originalKeywordKind >= 107 && - node.originalKeywordKind <= 115 && - !ts.isIdentifierName(node) && - !ts.isInAmbientContext(node)) { - if (!file.parseDiagnostics.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); - } - } + function parseTypeLiteral() { + var node = createNode(160); + node.members = parseObjectTypeMembers(); + return finishNode(node); } - function getStrictModeIdentifierMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; + function parseObjectTypeMembers() { + var members; + if (parseExpected(16)) { + members = parseList(4, parseTypeMember); + parseExpected(17); } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; + else { + members = createMissingList(); } - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + return members; } - function checkStrictModeBinaryExpression(node) { - if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - checkStrictModeEvalOrArguments(node, node.left); - } + function parseTupleType() { + var node = createNode(162); + node.elementTypes = parseBracketedList(19, parseType, 20, 21); + return finishNode(node); } - function checkStrictModeCatchClause(node) { - if (inStrictMode && node.variableDeclaration) { - checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); - } + function parseParenthesizedType() { + var node = createNode(165); + parseExpected(18); + node.type = parseType(); + parseExpected(19); + return finishNode(node); } - function checkStrictModeDeleteExpression(node) { - if (inStrictMode && node.expression.kind === 70) { - var span_2 = ts.getErrorSpanForNode(file, node.expression); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_2.start, span_2.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); + function parseFunctionOrConstructorType(kind) { + var node = createNode(kind); + if (kind === 158) { + parseExpected(93); } + fillSignature(35, false, false, false, node); + return finishNode(node); } - function isEvalOrArgumentsIdentifier(node) { - return node.kind === 70 && - (node.text === "eval" || node.text === "arguments"); + function parseKeywordAndNoDot() { + var node = parseTokenNode(); + return token() === 22 ? undefined : node; } - function checkStrictModeEvalOrArguments(contextNode, name) { - if (name && name.kind === 70) { - var identifier = name; - if (isEvalOrArgumentsIdentifier(identifier)) { - var span_3 = ts.getErrorSpanForNode(file, name); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_3.start, span_3.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); + function parseLiteralTypeNode() { + var node = createNode(167); + node.literal = parseSimpleUnaryExpression(); + finishNode(node); + return node; + } + function nextTokenIsNumericLiteral() { + return nextToken() === 8; + } + function parseNonArrayType() { + switch (token()) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 136: + case 128: + var node = tryParse(parseKeywordAndNoDot); + return node || parseTypeReference(); + case 9: + case 8: + case 100: + case 85: + return parseLiteralTypeNode(); + case 37: + return lookAhead(nextTokenIsNumericLiteral) ? parseLiteralTypeNode() : parseTypeReference(); + case 104: + case 94: + return parseTokenNode(); + case 98: { + var thisKeyword = parseThisTypeNode(); + if (token() === 125 && !scanner.hasPrecedingLineBreak()) { + return parseThisTypePredicate(thisKeyword); + } + else { + return thisKeyword; + } } + case 102: + return parseTypeQuery(); + case 16: + return parseTypeLiteral(); + case 20: + return parseTupleType(); + case 18: + return parseParenthesizedType(); + default: + return parseTypeReference(); } } - function getStrictModeEvalOrArgumentsMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; + function isStartOfType() { + switch (token()) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 104: + case 136: + case 94: + case 98: + case 102: + case 128: + case 16: + case 20: + case 26: + case 93: + case 9: + case 8: + case 100: + case 85: + return true; + case 37: + return lookAhead(nextTokenIsNumericLiteral); + case 18: + return lookAhead(isStartOfParenthesizedOrFunctionType); + default: + return isIdentifier(); } - return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; } - function checkStrictModeFunctionName(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); + function isStartOfParenthesizedOrFunctionType() { + nextToken(); + return token() === 19 || isStartOfParameter() || isStartOfType(); + } + function parseArrayTypeOrHigher() { + var type = parseNonArrayType(); + while (!scanner.hasPrecedingLineBreak() && parseOptional(20)) { + parseExpected(21); + var node = createNode(161, type.pos); + node.elementType = type; + type = finishNode(node); } + return type; } - function getStrictModeBlockScopeFunctionDeclarationMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode; + function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { + var type = parseConstituentType(); + if (token() === operator) { + var types = createNodeArray([type], type.pos); + while (parseOptional(operator)) { + types.push(parseConstituentType()); + } + types.end = getNodeEnd(); + var node = createNode(kind, type.pos); + node.types = types; + type = finishNode(node); } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode; + return type; + } + function parseIntersectionTypeOrHigher() { + return parseUnionOrIntersectionType(164, parseArrayTypeOrHigher, 47); + } + function parseUnionTypeOrHigher() { + return parseUnionOrIntersectionType(163, parseIntersectionTypeOrHigher, 48); + } + function isStartOfFunctionType() { + if (token() === 26) { + return true; } - return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5; + return token() === 18 && lookAhead(isUnambiguouslyStartOfFunctionType); } - function checkStrictModeFunctionDeclaration(node) { - if (languageVersion < 2) { - if (blockScopeContainer.kind !== 256 && - blockScopeContainer.kind !== 226 && - !ts.isFunctionLike(blockScopeContainer)) { - var errorSpan = ts.getErrorSpanForNode(file, node); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, errorSpan.start, errorSpan.length, getStrictModeBlockScopeFunctionDeclarationMessage(node))); - } + function skipParameterStart() { + if (ts.isModifierKind(token())) { + parseModifiers(); + } + if (isIdentifier() || token() === 98) { + nextToken(); + return true; } - } - function checkStrictModeNumericLiteral(node) { - if (inStrictMode && node.isOctalLiteral) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); + if (token() === 20 || token() === 16) { + var previousErrorCount = parseDiagnostics.length; + parseIdentifierOrPattern(); + return previousErrorCount === parseDiagnostics.length; } + return false; } - function checkStrictModePostfixUnaryExpression(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.operand); + function isUnambiguouslyStartOfFunctionType() { + nextToken(); + if (token() === 19 || token() === 23) { + return true; } - } - function checkStrictModePrefixUnaryExpression(node) { - if (inStrictMode) { - if (node.operator === 42 || node.operator === 43) { - checkStrictModeEvalOrArguments(node, node.operand); + if (skipParameterStart()) { + if (token() === 55 || token() === 25 || + token() === 54 || token() === 57) { + return true; + } + if (token() === 19) { + nextToken(); + if (token() === 35) { + return true; + } } } + return false; } - function checkStrictModeWithStatement(node) { - if (inStrictMode) { - errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); + function parseTypeOrTypePredicate() { + var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); + var type = parseType(); + if (typePredicateVariable) { + var node = createNode(155, typePredicateVariable.pos); + node.parameterName = typePredicateVariable; + node.type = type; + return finishNode(node); + } + else { + return type; } } - function errorOnFirstToken(node, message, arg0, arg1, arg2) { - var span = ts.getSpanOfTokenAtPosition(file, node.pos); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + function parseTypePredicatePrefix() { + var id = parseIdentifier(); + if (token() === 125 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + return id; + } } - function getDestructuringParameterName(node) { - return "__" + ts.indexOf(node.parent.parameters, node); + function parseType() { + return doOutsideOfContext(327680, parseTypeWorker); } - function bind(node) { - if (!node) { - return; - } - node.parent = parent; - var saveInStrictMode = inStrictMode; - bindWorker(node); - if (node.kind > 139) { - var saveParent = parent; - parent = node; - var containerFlags = getContainerFlags(node); - if (containerFlags === 0) { - bindChildren(node); - } - else { - bindContainer(node, containerFlags); - } - parent = saveParent; - } - else if (!skipTransformFlagAggregation && (node.transformFlags & 536870912) === 0) { - subtreeTransformFlags |= computeTransformFlagsForNode(node, 0); + function parseTypeWorker() { + if (isStartOfFunctionType()) { + return parseFunctionOrConstructorType(157); } - inStrictMode = saveInStrictMode; - } - function updateStrictModeStatementList(statements) { - if (!inStrictMode) { - for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { - var statement = statements_1[_i]; - if (!ts.isPrologueDirective(statement)) { - return; - } - if (isUseStrictPrologueDirective(statement)) { - inStrictMode = true; - return; - } - } + if (token() === 93) { + return parseFunctionOrConstructorType(158); } + return parseUnionTypeOrHigher(); } - function isUseStrictPrologueDirective(node) { - var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); - return nodeText === '"use strict"' || nodeText === "'use strict'"; + function parseTypeAnnotation() { + return parseOptional(55) ? parseType() : undefined; } - function bindWorker(node) { - switch (node.kind) { - case 70: + function isStartOfLeftHandSideExpression() { + switch (token()) { case 98: - if (currentFlow && (ts.isExpression(node) || parent.kind === 254)) { - node.flowNode = currentFlow; - } - return checkStrictModeIdentifier(node); - case 173: - if (currentFlow && isNarrowableReference(node)) { - node.flowNode = currentFlow; - } - break; - case 188: - if (ts.isInJavaScriptFile(node)) { - var specialKind = ts.getSpecialPropertyAssignmentKind(node); - switch (specialKind) { - case 1: - bindExportsPropertyAssignment(node); - break; - case 2: - bindModuleExportsAssignment(node); - break; - case 3: - bindPrototypePropertyAssignment(node); - break; - case 4: - bindThisPropertyAssignment(node); - break; - case 0: - break; - default: - ts.Debug.fail("Unknown special property assignment kind"); - } - } - return checkStrictModeBinaryExpression(node); - case 252: - return checkStrictModeCatchClause(node); - case 182: - return checkStrictModeDeleteExpression(node); + case 96: + case 94: + case 100: + case 85: case 8: - return checkStrictModeNumericLiteral(node); - case 187: - return checkStrictModePostfixUnaryExpression(node); - case 186: - return checkStrictModePrefixUnaryExpression(node); - case 213: - return checkStrictModeWithStatement(node); - case 166: - seenThisKeyword = true; - return; - case 155: - return checkTypePredicate(node); - case 142: - return declareSymbolAndAddToSymbolTable(node, 262144, 530920); - case 143: - return bindParameter(node); - case 219: - case 170: - return bindVariableDeclarationOrBindingElement(node); - case 146: - case 145: - case 266: - return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 0); - case 280: - return bindJSDocProperty(node); - case 253: - case 254: - return bindPropertyOrMethodOrAccessor(node, 4, 0); - case 255: - return bindPropertyOrMethodOrAccessor(node, 8, 900095); - case 247: - emitFlags |= 16384; - return; - case 152: - case 153: - case 154: - return declareSymbolAndAddToSymbolTable(node, 131072, 0); - case 148: - case 147: - return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 0 : 99263); - case 221: - return bindFunctionDeclaration(node); - case 149: - return declareSymbolAndAddToSymbolTable(node, 16384, 0); - case 150: - return bindPropertyOrMethodOrAccessor(node, 32768, 41919); - case 151: - return bindPropertyOrMethodOrAccessor(node, 65536, 74687); - case 157: - case 158: - case 269: - return bindFunctionOrConstructorType(node); - case 160: - case 281: - case 265: - return bindAnonymousDeclaration(node, 2048, "__type"); - case 172: - return bindObjectLiteralExpression(node); - case 180: - case 181: - return bindFunctionExpression(node); - case 175: - if (ts.isInJavaScriptFile(node)) { - bindCallExpression(node); - } - break; - case 193: - case 222: - inStrictMode = true; - return bindClassLikeDeclaration(node); - case 223: - return bindBlockScopedDeclaration(node, 64, 792968); - case 279: - case 224: - return bindBlockScopedDeclaration(node, 524288, 793064); - case 225: - return bindEnumDeclaration(node); - case 226: - return bindModuleDeclaration(node); - case 230: - case 233: - case 235: - case 239: - return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); - case 229: - return bindNamespaceExportDeclaration(node); - case 232: - return bindImportClause(node); - case 237: - return bindExportDeclaration(node); - case 236: - return bindExportAssignment(node); - case 256: - updateStrictModeStatementList(node.statements); - return bindSourceFileIfExternalModule(); - case 200: - if (!ts.isFunctionLike(node.parent)) { - return; - } - case 227: - return updateStrictModeStatementList(node.statements); + case 9: + case 12: + case 13: + case 18: + case 20: + case 16: + case 88: + case 74: + case 93: + case 40: + case 62: + case 70: + return true; + default: + return isIdentifier(); } } - function checkTypePredicate(node) { - var parameterName = node.parameterName, type = node.type; - if (parameterName && parameterName.kind === 70) { - checkStrictModeIdentifier(parameterName); - } - if (parameterName && parameterName.kind === 166) { - seenThisKeyword = true; + function isStartOfExpression() { + if (isStartOfLeftHandSideExpression()) { + return true; } - bind(type); - } - function bindSourceFileIfExternalModule() { - setExportContextFlag(file); - if (ts.isExternalModule(file)) { - bindSourceFileAsExternalModule(); + switch (token()) { + case 36: + case 37: + case 51: + case 50: + case 79: + case 102: + case 104: + case 42: + case 43: + case 26: + case 120: + case 115: + return true; + default: + if (isBinaryOperator()) { + return true; + } + return isIdentifier(); } } - function bindSourceFileAsExternalModule() { - bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); + function isStartOfExpressionStatement() { + return token() !== 16 && + token() !== 88 && + token() !== 74 && + token() !== 56 && + isStartOfExpression(); } - function bindExportAssignment(node) { - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); - } - else { - var flags = node.kind === 236 && ts.exportAssignmentIsAlias(node) - ? 8388608 - : 4; - declareSymbol(container.symbol.exports, container.symbol, node, flags, 4 | 8388608 | 32 | 16); + function parseExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); } - } - function bindNamespaceExportDeclaration(node) { - if (node.modifiers && node.modifiers.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Modifiers_cannot_appear_here)); + var expr = parseAssignmentExpressionOrHigher(); + var operatorToken; + while ((operatorToken = parseOptionalToken(25))) { + expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); } - if (node.parent.kind !== 256) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_at_top_level)); - return; + if (saveDecoratorContext) { + setDecoratorContext(true); } - else { - var parent_7 = node.parent; - if (!ts.isExternalModule(parent_7)) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_module_files)); - return; - } - if (!parent_7.isDeclarationFile) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_declaration_files)); - return; + return expr; + } + function parseInitializer(inParameter) { + if (token() !== 57) { + if (scanner.hasPrecedingLineBreak() || (inParameter && token() === 16) || !isStartOfExpression()) { + return undefined; } } - file.symbol.globalExports = file.symbol.globalExports || ts.createMap(); - declareSymbol(file.symbol.globalExports, file.symbol, node, 8388608, 8388608); + parseExpected(57); + return parseAssignmentExpressionOrHigher(); } - function bindExportDeclaration(node) { - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); + function parseAssignmentExpressionOrHigher() { + if (isYieldExpression()) { + return parseYieldExpression(); } - else if (!node.exportClause) { - declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); + var arrowExpression = tryParseParenthesizedArrowFunctionExpression() || tryParseAsyncSimpleArrowFunctionExpression(); + if (arrowExpression) { + return arrowExpression; } - } - function bindImportClause(node) { - if (node.name) { - declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + var expr = parseBinaryExpressionOrHigher(0); + if (expr.kind === 70 && token() === 35) { + return parseSimpleArrowFunctionExpression(expr); + } + if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { + return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); } + return parseConditionalExpressionRest(expr); } - function setCommonJsModuleIndicator(node) { - if (!file.commonJsModuleIndicator) { - file.commonJsModuleIndicator = node; - if (!file.externalModuleIndicator) { - bindSourceFileAsExternalModule(); + function isYieldExpression() { + if (token() === 115) { + if (inYieldContext()) { + return true; } + return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); } + return false; } - function bindExportsPropertyAssignment(node) { - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); + function nextTokenIsIdentifierOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && isIdentifier(); } - function bindModuleExportsAssignment(node) { - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node, 4 | 7340032 | 512, 0); + function parseYieldExpression() { + var node = createNode(191); + nextToken(); + if (!scanner.hasPrecedingLineBreak() && + (token() === 38 || isStartOfExpression())) { + node.asteriskToken = parseOptionalToken(38); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + else { + return finishNode(node); + } } - function bindThisPropertyAssignment(node) { - ts.Debug.assert(ts.isInJavaScriptFile(node)); - if (container.kind === 221 || container.kind === 180) { - container.symbol.members = container.symbol.members || ts.createMap(); - declareSymbol(container.symbol.members, container.symbol, node, 4, 0 & ~4); + function parseSimpleArrowFunctionExpression(identifier, asyncModifier) { + ts.Debug.assert(token() === 35, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); + var node; + if (asyncModifier) { + node = createNode(181, asyncModifier.pos); + node.modifiers = asyncModifier; } - else if (container.kind === 149) { - var saveContainer = container; - container = container.parent; - var symbol = bindPropertyOrMethodOrAccessor(node, 4, 0); - if (symbol) { - symbol.isReplaceableByMethod = true; - } - container = saveContainer; + else { + node = createNode(181, identifier.pos); } + var parameter = createNode(143, identifier.pos); + parameter.name = identifier; + finishNode(parameter); + node.parameters = createNodeArray([parameter], parameter.pos); + node.parameters.end = parameter.end; + node.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); + node.body = parseArrowFunctionExpressionBody(!!asyncModifier); + return addJSDocComment(finishNode(node)); } - function bindPrototypePropertyAssignment(node) { - var leftSideOfAssignment = node.left; - var classPrototype = leftSideOfAssignment.expression; - var constructorFunction = classPrototype.expression; - leftSideOfAssignment.parent = node; - constructorFunction.parent = classPrototype; - classPrototype.parent = leftSideOfAssignment; - var funcSymbol = container.locals[constructorFunction.text]; - if (!funcSymbol || !(funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { - return; + function tryParseParenthesizedArrowFunctionExpression() { + var triState = isParenthesizedArrowFunctionExpression(); + if (triState === 0) { + return undefined; } - if (!funcSymbol.members) { - funcSymbol.members = ts.createMap(); + var arrowFunction = triState === 1 + ? parseParenthesizedArrowFunctionExpressionHead(true) + : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); + if (!arrowFunction) { + return undefined; } - declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 0); + var isAsync = !!(ts.getModifierFlags(arrowFunction) & 256); + var lastToken = token(); + arrowFunction.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); + arrowFunction.body = (lastToken === 35 || lastToken === 16) + ? parseArrowFunctionExpressionBody(isAsync) + : parseIdentifier(); + return addJSDocComment(finishNode(arrowFunction)); } - function bindCallExpression(node) { - if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { - setCommonJsModuleIndicator(node); + function isParenthesizedArrowFunctionExpression() { + if (token() === 18 || token() === 26 || token() === 119) { + return lookAhead(isParenthesizedArrowFunctionExpressionWorker); + } + if (token() === 35) { + return 1; } + return 0; } - function bindClassLikeDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { - emitFlags |= 1024; + function isParenthesizedArrowFunctionExpressionWorker() { + if (token() === 119) { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return 0; + } + if (token() !== 18 && token() !== 26) { + return 0; + } + } + var first = token(); + var second = nextToken(); + if (first === 18) { + if (second === 19) { + var third = nextToken(); + switch (third) { + case 35: + case 55: + case 16: + return 1; + default: + return 0; + } + } + if (second === 20 || second === 16) { + return 2; + } + if (second === 23) { + return 1; + } + if (!isIdentifier()) { + return 0; } - if (ts.nodeIsDecorated(node)) { - emitFlags |= 2048; + if (nextToken() === 55) { + return 1; } - } - if (node.kind === 222) { - bindBlockScopedDeclaration(node, 32, 899519); + return 2; } else { - var bindingName = node.name ? node.name.text : "__class"; - bindAnonymousDeclaration(node, 32, bindingName); - if (node.name) { - classifiableNames[node.name.text] = node.name.text; + ts.Debug.assert(first === 26); + if (!isIdentifier()) { + return 0; } - } - var symbol = node.symbol; - var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); - if (symbol.exports[prototypeSymbol.name]) { - if (node.name) { - node.name.parent = node; + if (sourceFile.languageVariant === 1) { + var isArrowFunctionInJsx = lookAhead(function () { + var third = nextToken(); + if (third === 84) { + var fourth = nextToken(); + switch (fourth) { + case 57: + case 28: + return false; + default: + return true; + } + } + else if (third === 25) { + return true; + } + return false; + }); + if (isArrowFunctionInJsx) { + return 1; + } + return 0; } - file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + return 2; } - symbol.exports[prototypeSymbol.name] = prototypeSymbol; - prototypeSymbol.parent = symbol; } - function bindEnumDeclaration(node) { - return ts.isConst(node) - ? bindBlockScopedDeclaration(node, 128, 899967) - : bindBlockScopedDeclaration(node, 256, 899327); + function parsePossibleParenthesizedArrowFunctionExpressionHead() { + return parseParenthesizedArrowFunctionExpressionHead(false); } - function bindVariableDeclarationOrBindingElement(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (!ts.isBindingPattern(node.name)) { - if (ts.isBlockOrCatchScoped(node)) { - bindBlockScopedVariableDeclaration(node); - } - else if (ts.isParameterDeclaration(node)) { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107454); + function tryParseAsyncSimpleArrowFunctionExpression() { + if (token() === 119) { + var isUnParenthesizedAsyncArrowFunction = lookAhead(isUnParenthesizedAsyncArrowFunctionWorker); + if (isUnParenthesizedAsyncArrowFunction === 1) { + var asyncModifier = parseModifiersForArrowFunction(); + var expr = parseBinaryExpressionOrHigher(0); + return parseSimpleArrowFunctionExpression(expr, asyncModifier); } } + return undefined; } - function bindParameter(node) { - if (!ts.isDeclarationFile(file) && - !ts.isInAmbientContext(node) && - ts.nodeIsDecorated(node)) { - emitFlags |= (2048 | 4096); - } - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (ts.isBindingPattern(node.name)) { - bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - if (ts.isParameterPropertyDeclaration(node)) { - var classDeclaration = node.parent.parent; - declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 | (node.questionToken ? 536870912 : 0), 0); - } - } - function bindFunctionDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - emitFlags |= 8192; + function isUnParenthesizedAsyncArrowFunctionWorker() { + if (token() === 119) { + nextToken(); + if (scanner.hasPrecedingLineBreak() || token() === 35) { + return 0; + } + var expr = parseBinaryExpressionOrHigher(0); + if (!scanner.hasPrecedingLineBreak() && expr.kind === 70 && token() === 35) { + return 1; } } - checkStrictModeFunctionName(node); - if (inStrictMode) { - checkStrictModeFunctionDeclaration(node); - bindBlockScopedDeclaration(node, 16, 106927); + return 0; + } + function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { + var node = createNode(181); + node.modifiers = parseModifiersForArrowFunction(); + var isAsync = !!(ts.getModifierFlags(node) & 256); + fillSignature(55, false, isAsync, !allowAmbiguity, node); + if (!node.parameters) { + return undefined; } - else { - declareSymbolAndAddToSymbolTable(node, 16, 106927); + if (!allowAmbiguity && token() !== 35 && token() !== 16) { + return undefined; } + return node; } - function bindFunctionExpression(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - emitFlags |= 8192; - } + function parseArrowFunctionExpressionBody(isAsync) { + if (token() === 16) { + return parseFunctionBlock(false, isAsync, false); } - if (currentFlow) { - node.flowNode = currentFlow; + if (token() !== 24 && + token() !== 88 && + token() !== 74 && + isStartOfStatement() && + !isStartOfExpressionStatement()) { + return parseFunctionBlock(false, isAsync, true); } - checkStrictModeFunctionName(node); - var bindingName = node.name ? node.name.text : "__function"; - return bindAnonymousDeclaration(node, 16, bindingName); + return isAsync + ? doInAwaitContext(parseAssignmentExpressionOrHigher) + : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); } - function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - emitFlags |= 8192; - } - if (ts.nodeIsDecorated(node)) { - emitFlags |= 2048; - } - } - if (currentFlow && ts.isObjectLiteralOrClassExpressionMethod(node)) { - node.flowNode = currentFlow; + function parseConditionalExpressionRest(leftOperand) { + var questionToken = parseOptionalToken(54); + if (!questionToken) { + return leftOperand; } - return ts.hasDynamicName(node) - ? bindAnonymousDeclaration(node, symbolFlags, "__computed") - : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + var node = createNode(189, leftOperand.pos); + node.condition = leftOperand; + node.questionToken = questionToken; + node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); + node.colonToken = parseExpectedToken(55, false, ts.Diagnostics._0_expected, ts.tokenToString(55)); + node.whenFalse = parseAssignmentExpressionOrHigher(); + return finishNode(node); } - function bindJSDocProperty(node) { - return declareSymbolAndAddToSymbolTable(node, 4, 0); + function parseBinaryExpressionOrHigher(precedence) { + var leftOperand = parseUnaryExpressionOrHigher(); + return parseBinaryExpressionRest(precedence, leftOperand); } - function shouldReportErrorOnModuleDeclaration(node) { - var instanceState = getModuleInstanceState(node); - return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); + function isInOrOfKeyword(t) { + return t === 91 || t === 139; } - function checkUnreachable(node) { - if (!(currentFlow.flags & 1)) { - return false; - } - if (currentFlow === unreachableFlow) { - var reportError = (ts.isStatementButNotDeclaration(node) && node.kind !== 202) || - node.kind === 222 || - (node.kind === 226 && shouldReportErrorOnModuleDeclaration(node)) || - (node.kind === 225 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); - if (reportError) { - currentFlow = reportedUnreachableFlow; - var reportUnreachableCode = !options.allowUnreachableCode && - !ts.isInAmbientContext(node) && - (node.kind !== 201 || - ts.getCombinedNodeFlags(node.declarationList) & 3 || - ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); - if (reportUnreachableCode) { - errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + function parseBinaryExpressionRest(precedence, leftOperand) { + while (true) { + reScanGreaterToken(); + var newPrecedence = getBinaryOperatorPrecedence(); + var consumeCurrentOperator = token() === 39 ? + newPrecedence >= precedence : + newPrecedence > precedence; + if (!consumeCurrentOperator) { + break; + } + if (token() === 91 && inDisallowInContext()) { + break; + } + if (token() === 117) { + if (scanner.hasPrecedingLineBreak()) { + break; + } + else { + nextToken(); + leftOperand = makeAsExpression(leftOperand, parseType()); } } + else { + leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); + } } - return true; - } - } - function computeTransformFlagsForNode(node, subtreeFlags) { - var kind = node.kind; - switch (kind) { - case 175: - return computeCallExpression(node, subtreeFlags); - case 176: - return computeNewExpression(node, subtreeFlags); - case 226: - return computeModuleDeclaration(node, subtreeFlags); - case 179: - return computeParenthesizedExpression(node, subtreeFlags); - case 188: - return computeBinaryExpression(node, subtreeFlags); - case 203: - return computeExpressionStatement(node, subtreeFlags); - case 143: - return computeParameter(node, subtreeFlags); - case 181: - return computeArrowFunction(node, subtreeFlags); - case 180: - return computeFunctionExpression(node, subtreeFlags); - case 221: - return computeFunctionDeclaration(node, subtreeFlags); - case 219: - return computeVariableDeclaration(node, subtreeFlags); - case 220: - return computeVariableDeclarationList(node, subtreeFlags); - case 201: - return computeVariableStatement(node, subtreeFlags); - case 215: - return computeLabeledStatement(node, subtreeFlags); - case 222: - return computeClassDeclaration(node, subtreeFlags); - case 193: - return computeClassExpression(node, subtreeFlags); - case 251: - return computeHeritageClause(node, subtreeFlags); - case 195: - return computeExpressionWithTypeArguments(node, subtreeFlags); - case 149: - return computeConstructor(node, subtreeFlags); - case 146: - return computePropertyDeclaration(node, subtreeFlags); - case 148: - return computeMethod(node, subtreeFlags); - case 150: - case 151: - return computeAccessor(node, subtreeFlags); - case 230: - return computeImportEquals(node, subtreeFlags); - case 173: - return computePropertyAccess(node, subtreeFlags); - default: - return computeOther(node, kind, subtreeFlags); + return leftOperand; } - } - ts.computeTransformFlagsForNode = computeTransformFlagsForNode; - function computeCallExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var expression = node.expression; - var expressionKind = expression.kind; - if (node.typeArguments) { - transformFlags |= 3; + function isBinaryOperator() { + if (inDisallowInContext() && token() === 91) { + return false; + } + return getBinaryOperatorPrecedence() > 0; } - if (subtreeFlags & 1048576 - || isSuperOrSuperProperty(expression, expressionKind)) { - transformFlags |= 768; + function getBinaryOperatorPrecedence() { + switch (token()) { + case 53: + return 1; + case 52: + return 2; + case 48: + return 3; + case 49: + return 4; + case 47: + return 5; + case 31: + case 32: + case 33: + case 34: + return 6; + case 26: + case 28: + case 29: + case 30: + case 92: + case 91: + case 117: + return 7; + case 44: + case 45: + case 46: + return 8; + case 36: + case 37: + return 9; + case 38: + case 40: + case 41: + return 10; + case 39: + return 11; + } + return -1; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~537922901; - } - function isSuperOrSuperProperty(node, kind) { - switch (kind) { - case 96: - return true; - case 173: - case 174: - var expression = node.expression; - var expressionKind = expression.kind; - return expressionKind === 96; + function makeBinaryExpression(left, operatorToken, right) { + var node = createNode(188, left.pos); + node.left = left; + node.operatorToken = operatorToken; + node.right = right; + return finishNode(node); } - return false; - } - function computeNewExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (node.typeArguments) { - transformFlags |= 3; + function makeAsExpression(left, right) { + var node = createNode(196, left.pos); + node.expression = left; + node.type = right; + return finishNode(node); } - if (subtreeFlags & 1048576) { - transformFlags |= 768; + function parsePrefixUnaryExpression() { + var node = createNode(186); + node.operator = token(); + nextToken(); + node.operand = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~537922901; - } - function computeBinaryExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var operatorTokenKind = node.operatorToken.kind; - var leftKind = node.left.kind; - if (operatorTokenKind === 57 - && (leftKind === 172 - || leftKind === 171)) { - transformFlags |= 768 | 1024; + function parseDeleteExpression() { + var node = createNode(182); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - else if (operatorTokenKind === 39 - || operatorTokenKind === 61) { - transformFlags |= 192; + function parseTypeOfExpression() { + var node = createNode(183); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeParameter(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var modifierFlags = ts.getModifierFlags(node); - var name = node.name; - var initializer = node.initializer; - var dotDotDotToken = node.dotDotDotToken; - if (node.questionToken - || node.type - || subtreeFlags & 8192 - || ts.isThisIdentifier(name)) { - transformFlags |= 3; + function parseVoidExpression() { + var node = createNode(184); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - if (modifierFlags & 92) { - transformFlags |= 3 | 524288; + function isAwaitExpression() { + if (token() === 120) { + if (inAwaitContext()) { + return true; + } + return lookAhead(nextTokenIsIdentifierOnSameLine); + } + return false; } - if (subtreeFlags & 8388608 || initializer || dotDotDotToken) { - transformFlags |= 768 | 262144; + function parseAwaitExpression() { + var node = createNode(185); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~545262933; - } - function computeParenthesizedExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var expression = node.expression; - var expressionKind = expression.kind; - var expressionTransformFlags = expression.transformFlags; - if (expressionKind === 196 - || expressionKind === 178) { - transformFlags |= 3; + function parseUnaryExpressionOrHigher() { + if (isUpdateExpression()) { + var incrementExpression = parseIncrementExpression(); + return token() === 39 ? + parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : + incrementExpression; + } + var unaryOperator = token(); + var simpleUnaryExpression = parseSimpleUnaryExpression(); + if (token() === 39) { + var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); + if (simpleUnaryExpression.kind === 178) { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); + } + else { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); + } + } + return simpleUnaryExpression; } - if (expressionTransformFlags & 1024) { - transformFlags |= 1024; + function parseSimpleUnaryExpression() { + switch (token()) { + case 36: + case 37: + case 51: + case 50: + return parsePrefixUnaryExpression(); + case 79: + return parseDeleteExpression(); + case 102: + return parseTypeOfExpression(); + case 104: + return parseVoidExpression(); + case 26: + return parseTypeAssertion(); + case 120: + if (isAwaitExpression()) { + return parseAwaitExpression(); + } + default: + return parseIncrementExpression(); + } } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeClassDeclaration(node, subtreeFlags) { - var transformFlags; - var modifierFlags = ts.getModifierFlags(node); - if (modifierFlags & 2) { - transformFlags = 3; + function isUpdateExpression() { + switch (token()) { + case 36: + case 37: + case 51: + case 50: + case 79: + case 102: + case 104: + case 120: + return false; + case 26: + if (sourceFile.languageVariant !== 1) { + return false; + } + default: + return true; + } } - else { - transformFlags = subtreeFlags | 768; - if ((subtreeFlags & 548864) - || (modifierFlags & 1) - || node.typeParameters) { - transformFlags |= 3; + function parseIncrementExpression() { + if (token() === 42 || token() === 43) { + var node = createNode(186); + node.operator = token(); + nextToken(); + node.operand = parseLeftHandSideExpressionOrHigher(); + return finishNode(node); } - if (subtreeFlags & 131072) { - transformFlags |= 32768; + else if (sourceFile.languageVariant === 1 && token() === 26 && lookAhead(nextTokenIsIdentifierOrKeyword)) { + return parseJsxElementOrSelfClosingElement(true); } + var expression = parseLeftHandSideExpressionOrHigher(); + ts.Debug.assert(ts.isLeftHandSideExpression(expression)); + if ((token() === 42 || token() === 43) && !scanner.hasPrecedingLineBreak()) { + var node = createNode(187, expression.pos); + node.operand = expression; + node.operator = token(); + nextToken(); + return finishNode(node); + } + return expression; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~539749717; - } - function computeClassExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (subtreeFlags & 548864 - || node.typeParameters) { - transformFlags |= 3; - } - if (subtreeFlags & 131072) { - transformFlags |= 32768; + function parseLeftHandSideExpressionOrHigher() { + var expression = token() === 96 + ? parseSuperExpression() + : parseMemberExpressionOrHigher(); + return parseCallExpressionRest(expression); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~539749717; - } - function computeHeritageClause(node, subtreeFlags) { - var transformFlags = subtreeFlags; - switch (node.token) { - case 84: - transformFlags |= 768; - break; - case 107: - transformFlags |= 3; - break; - default: - ts.Debug.fail("Unexpected token for heritage clause"); - break; + function parseMemberExpressionOrHigher() { + var expression = parsePrimaryExpression(); + return parseMemberExpressionRest(expression); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeExpressionWithTypeArguments(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (node.typeArguments) { - transformFlags |= 3; + function parseSuperExpression() { + var expression = parseTokenNode(); + if (token() === 18 || token() === 22 || token() === 20) { + return expression; + } + var node = createNode(173, expression.pos); + node.expression = expression; + parseExpectedToken(22, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); + node.name = parseRightSideOfDot(true); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeConstructor(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (ts.hasModifier(node, 2270) - || !node.body) { - transformFlags |= 3; + function tagNamesAreEquivalent(lhs, rhs) { + if (lhs.kind !== rhs.kind) { + return false; + } + if (lhs.kind === 70) { + return lhs.text === rhs.text; + } + if (lhs.kind === 98) { + return true; + } + return lhs.name.text === rhs.name.text && + tagNamesAreEquivalent(lhs.expression, rhs.expression); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~591760725; - } - function computeMethod(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (node.decorators - || ts.hasModifier(node, 2270) - || node.typeParameters - || node.type - || !node.body) { - transformFlags |= 3; + function parseJsxElementOrSelfClosingElement(inExpressionContext) { + var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); + var result; + if (opening.kind === 244) { + var node = createNode(242, opening.pos); + node.openingElement = opening; + node.children = parseJsxChildren(node.openingElement.tagName); + node.closingElement = parseJsxClosingElement(inExpressionContext); + if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { + parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); + } + result = finishNode(node); + } + else { + ts.Debug.assert(opening.kind === 243); + result = opening; + } + if (inExpressionContext && token() === 26) { + var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); + if (invalidElement) { + parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); + var badNode = createNode(188, result.pos); + badNode.end = invalidElement.end; + badNode.left = result; + badNode.right = invalidElement; + badNode.operatorToken = createMissingNode(25, false, undefined); + badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; + return badNode; + } + } + return result; } - if (ts.hasModifier(node, 256)) { - transformFlags |= 48; + function parseJsxText() { + var node = createNode(10, scanner.getStartPos()); + currentToken = scanner.scanJsxToken(); + return finishNode(node); } - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - transformFlags |= 6144; + function parseJsxChild() { + switch (token()) { + case 10: + return parseJsxText(); + case 16: + return parseJsxExpression(false); + case 26: + return parseJsxElementOrSelfClosingElement(false); + } + ts.Debug.fail("Unknown JSX child kind " + token()); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~591760725; - } - function computeAccessor(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (node.decorators - || ts.hasModifier(node, 2270) - || node.type - || !node.body) { - transformFlags |= 3; + function parseJsxChildren(openingTagName) { + var result = createNodeArray(); + var saveParsingContext = parsingContext; + parsingContext |= 1 << 14; + while (true) { + currentToken = scanner.reScanJsxToken(); + if (token() === 27) { + break; + } + else if (token() === 1) { + parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); + break; + } + result.push(parseJsxChild()); + } + result.end = scanner.getTokenPos(); + parsingContext = saveParsingContext; + return result; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~591760725; - } - function computePropertyDeclaration(node, subtreeFlags) { - var transformFlags = subtreeFlags | 3; - if (node.initializer) { - transformFlags |= 16384; + function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { + var fullStart = scanner.getStartPos(); + parseExpected(26); + var tagName = parseJsxElementName(); + var attributes = parseList(13, parseJsxAttribute); + var node; + if (token() === 28) { + node = createNode(244, fullStart); + scanJsxText(); + } + else { + parseExpected(40); + if (inExpressionContext) { + parseExpected(28); + } + else { + parseExpected(28, undefined, false); + scanJsxText(); + } + node = createNode(243, fullStart); + } + node.tagName = tagName; + node.attributes = attributes; + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeFunctionDeclaration(node, subtreeFlags) { - var transformFlags; - var modifierFlags = ts.getModifierFlags(node); - var body = node.body; - if (!body || (modifierFlags & 2)) { - transformFlags = 3; + function parseJsxElementName() { + scanJsxIdentifier(); + var expression = token() === 98 ? + parseTokenNode() : parseIdentifierName(); + while (parseOptional(22)) { + var propertyAccess = createNode(173, expression.pos); + propertyAccess.expression = expression; + propertyAccess.name = parseRightSideOfDot(true); + expression = finishNode(propertyAccess); + } + return expression; } - else { - transformFlags = subtreeFlags | 33554432; - if (modifierFlags & 1) { - transformFlags |= 3 | 768; + function parseJsxExpression(inExpressionContext) { + var node = createNode(248); + parseExpected(16); + if (token() !== 17) { + node.expression = parseAssignmentExpressionOrHigher(); } - if (modifierFlags & 2270 - || node.typeParameters - || node.type) { - transformFlags |= 3; + if (inExpressionContext) { + parseExpected(17); } - if (modifierFlags & 256) { - transformFlags |= 48; + else { + parseExpected(17, undefined, false); + scanJsxText(); } - if (subtreeFlags & 327680) { - transformFlags |= 768; + return finishNode(node); + } + function parseJsxAttribute() { + if (token() === 16) { + return parseJsxSpreadAttribute(); } - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - transformFlags |= 6144; + scanJsxIdentifier(); + var node = createNode(246); + node.name = parseIdentifierName(); + if (token() === 57) { + switch (scanJsxAttributeValue()) { + case 9: + node.initializer = parseLiteralNode(); + break; + default: + node.initializer = parseJsxExpression(true); + break; + } } + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~592293205; - } - function computeFunctionExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (ts.hasModifier(node, 2270) - || node.typeParameters - || node.type) { - transformFlags |= 3; - } - if (ts.hasModifier(node, 256)) { - transformFlags |= 48; - } - if (subtreeFlags & 327680) { - transformFlags |= 768; - } - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - transformFlags |= 6144; - } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~592293205; - } - function computeArrowFunction(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (ts.hasModifier(node, 2270) - || node.typeParameters - || node.type) { - transformFlags |= 3; + function parseJsxSpreadAttribute() { + var node = createNode(247); + parseExpected(16); + parseExpected(23); + node.expression = parseExpression(); + parseExpected(17); + return finishNode(node); } - if (ts.hasModifier(node, 256)) { - transformFlags |= 48; + function parseJsxClosingElement(inExpressionContext) { + var node = createNode(245); + parseExpected(27); + node.tagName = parseJsxElementName(); + if (inExpressionContext) { + parseExpected(28); + } + else { + parseExpected(28, undefined, false); + scanJsxText(); + } + return finishNode(node); } - if (subtreeFlags & 32768) { - transformFlags |= 65536; + function parseTypeAssertion() { + var node = createNode(178); + parseExpected(26); + node.type = parseType(); + parseExpected(28); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~592227669; - } - function computePropertyAccess(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var expression = node.expression; - var expressionKind = expression.kind; - if (expressionKind === 96) { - transformFlags |= 32768; + function parseMemberExpressionRest(expression) { + while (true) { + var dotToken = parseOptionalToken(22); + if (dotToken) { + var propertyAccess = createNode(173, expression.pos); + propertyAccess.expression = expression; + propertyAccess.name = parseRightSideOfDot(true); + expression = finishNode(propertyAccess); + continue; + } + if (token() === 50 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + var nonNullExpression = createNode(197, expression.pos); + nonNullExpression.expression = expression; + expression = finishNode(nonNullExpression); + continue; + } + if (!inDecoratorContext() && parseOptional(20)) { + var indexedAccess = createNode(174, expression.pos); + indexedAccess.expression = expression; + if (token() !== 21) { + indexedAccess.argumentExpression = allowInAnd(parseExpression); + if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { + var literal = indexedAccess.argumentExpression; + literal.text = internIdentifier(literal.text); + } + } + parseExpected(21); + expression = finishNode(indexedAccess); + continue; + } + if (token() === 12 || token() === 13) { + var tagExpression = createNode(177, expression.pos); + tagExpression.tag = expression; + tagExpression.template = token() === 12 + ? parseLiteralNode() + : parseTemplateExpression(); + expression = finishNode(tagExpression); + continue; + } + return expression; + } } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeVariableDeclaration(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var nameKind = node.name.kind; - if (nameKind === 168 || nameKind === 169) { - transformFlags |= 768 | 8388608; + function parseCallExpressionRest(expression) { + while (true) { + expression = parseMemberExpressionRest(expression); + if (token() === 26) { + var typeArguments = tryParse(parseTypeArgumentsInExpression); + if (!typeArguments) { + return expression; + } + var callExpr = createNode(175, expression.pos); + callExpr.expression = expression; + callExpr.typeArguments = typeArguments; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + else if (token() === 18) { + var callExpr = createNode(175, expression.pos); + callExpr.expression = expression; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + return expression; + } } - if (node.type) { - transformFlags |= 3; + function parseArgumentList() { + parseExpected(18); + var result = parseDelimitedList(11, parseArgumentExpression); + parseExpected(19); + return result; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeVariableStatement(node, subtreeFlags) { - var transformFlags; - var modifierFlags = ts.getModifierFlags(node); - var declarationListTransformFlags = node.declarationList.transformFlags; - if (modifierFlags & 2) { - transformFlags = 3; + function parseTypeArgumentsInExpression() { + if (!parseOptional(26)) { + return undefined; + } + var typeArguments = parseDelimitedList(18, parseType); + if (!parseExpected(28)) { + return undefined; + } + return typeArguments && canFollowTypeArgumentsInExpression() + ? typeArguments + : undefined; } - else { - transformFlags = subtreeFlags; - if (modifierFlags & 1) { - transformFlags |= 768 | 3; + function canFollowTypeArgumentsInExpression() { + switch (token()) { + case 18: + case 22: + case 19: + case 21: + case 55: + case 24: + case 54: + case 31: + case 33: + case 32: + case 34: + case 52: + case 53: + case 49: + case 47: + case 48: + case 17: + case 1: + return true; + case 25: + case 16: + default: + return false; } - if (declarationListTransformFlags & 8388608) { - transformFlags |= 768; + } + function parsePrimaryExpression() { + switch (token()) { + case 8: + case 9: + case 12: + return parseLiteralNode(); + case 98: + case 96: + case 94: + case 100: + case 85: + return parseTokenNode(); + case 18: + return parseParenthesizedExpression(); + case 20: + return parseArrayLiteralExpression(); + case 16: + return parseObjectLiteralExpression(); + case 119: + if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { + break; + } + return parseFunctionExpression(); + case 74: + return parseClassExpression(); + case 88: + return parseFunctionExpression(); + case 93: + return parseNewExpression(); + case 40: + case 62: + if (reScanSlashToken() === 11) { + return parseLiteralNode(); + } + break; + case 13: + return parseTemplateExpression(); } + return parseIdentifier(ts.Diagnostics.Expression_expected); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeLabeledStatement(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (subtreeFlags & 4194304 - && ts.isIterationStatement(node, true)) { - transformFlags |= 768; + function parseParenthesizedExpression() { + var node = createNode(179); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeImportEquals(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (!ts.isExternalModuleImportEqualsDeclaration(node)) { - transformFlags |= 3; + function parseSpreadElement() { + var node = createNode(192); + parseExpected(23); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeExpressionStatement(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (node.expression.transformFlags & 1024) { - transformFlags |= 768; + function parseArgumentOrArrayLiteralElement() { + return token() === 23 ? parseSpreadElement() : + token() === 25 ? createNode(194) : + parseAssignmentExpressionOrHigher(); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeModuleDeclaration(node, subtreeFlags) { - var transformFlags = 3; - var modifierFlags = ts.getModifierFlags(node); - if ((modifierFlags & 2) === 0) { - transformFlags |= subtreeFlags; + function parseArgumentExpression() { + return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~574729557; - } - function computeVariableDeclarationList(node, subtreeFlags) { - var transformFlags = subtreeFlags | 33554432; - if (subtreeFlags & 8388608) { - transformFlags |= 768; + function parseArrayLiteralExpression() { + var node = createNode(171); + parseExpected(20); + if (scanner.hasPrecedingLineBreak()) { + node.multiLine = true; + } + node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); + parseExpected(21); + return finishNode(node); } - if (node.flags & 3) { - transformFlags |= 768 | 4194304; + function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { + if (parseContextualModifier(124)) { + return parseAccessorDeclaration(150, fullStart, decorators, modifiers); + } + else if (parseContextualModifier(132)) { + return parseAccessorDeclaration(151, fullStart, decorators, modifiers); + } + return undefined; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~545262933; - } - function computeOther(node, kind, subtreeFlags) { - var transformFlags = subtreeFlags; - var excludeFlags = 536874325; - switch (kind) { - case 119: - case 185: - transformFlags |= 48; - break; - case 113: - case 111: - case 112: - case 116: - case 123: - case 75: - case 225: - case 255: - case 178: - case 196: - case 197: - case 129: - transformFlags |= 3; - break; - case 242: - case 243: - case 244: - case 10: - case 245: - case 246: - case 247: - case 248: - transformFlags |= 12; - break; - case 83: - transformFlags |= 768 | 3; - break; - case 78: - case 12: - case 13: - case 14: - case 15: - case 190: - case 177: - case 254: - case 209: - transformFlags |= 768; - break; - case 191: - transformFlags |= 768 | 16777216; - break; - case 118: - case 131: - case 128: - case 133: - case 121: - case 134: - case 104: - case 142: - case 145: - case 147: - case 152: - case 153: - case 154: - case 155: - case 156: - case 157: - case 158: - case 159: - case 160: - case 161: - case 162: - case 163: - case 164: - case 165: - case 223: - case 224: - case 166: - case 167: - transformFlags = 3; - excludeFlags = -3; - break; - case 141: - transformFlags |= 2097152; - if (subtreeFlags & 32768) { - transformFlags |= 131072; - } - break; - case 192: - transformFlags |= 1048576; - break; - case 96: - transformFlags |= 768; - break; - case 98: - transformFlags |= 32768; - break; - case 168: - case 169: - transformFlags |= 768 | 8388608; - break; - case 144: - transformFlags |= 3 | 8192; - break; - case 172: - excludeFlags = 539110741; - if (subtreeFlags & 2097152) { - transformFlags |= 768; - } - if (subtreeFlags & 131072) { - transformFlags |= 32768; - } - break; - case 171: - case 176: - excludeFlags = 537922901; - if (subtreeFlags & 1048576) { - transformFlags |= 768; - } - break; - case 205: - case 206: - case 207: - case 208: - if (subtreeFlags & 4194304) { - transformFlags |= 768; - } - break; - case 256: - if (subtreeFlags & 65536) { - transformFlags |= 768; + function parseObjectLiteralElement() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + var asteriskToken = parseOptionalToken(38); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + var questionToken = parseOptionalToken(54); + if (asteriskToken || token() === 18 || token() === 26) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); + } + var isShorthandPropertyAssignment = tokenIsIdentifier && (token() === 25 || token() === 17 || token() === 57); + if (isShorthandPropertyAssignment) { + var shorthandDeclaration = createNode(254, fullStart); + shorthandDeclaration.name = propertyName; + shorthandDeclaration.questionToken = questionToken; + var equalsToken = parseOptionalToken(57); + if (equalsToken) { + shorthandDeclaration.equalsToken = equalsToken; + shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); } - break; - case 212: - case 210: - case 211: - transformFlags |= 33554432; - break; - } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~excludeFlags; - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var ambientModuleSymbolRegex = /^".+"$/; - var nextSymbolId = 1; - var nextNodeId = 1; - var nextMergeId = 1; - var nextFlowId = 1; - function getNodeId(node) { - if (!node.id) { - node.id = nextNodeId; - nextNodeId++; + return addJSDocComment(finishNode(shorthandDeclaration)); + } + else { + var propertyAssignment = createNode(253, fullStart); + propertyAssignment.modifiers = modifiers; + propertyAssignment.name = propertyName; + propertyAssignment.questionToken = questionToken; + parseExpected(55); + propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); + return addJSDocComment(finishNode(propertyAssignment)); + } } - return node.id; - } - ts.getNodeId = getNodeId; - function getSymbolId(symbol) { - if (!symbol.id) { - symbol.id = nextSymbolId; - nextSymbolId++; + function parseObjectLiteralExpression() { + var node = createNode(172); + parseExpected(16); + if (scanner.hasPrecedingLineBreak()) { + node.multiLine = true; + } + node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); + parseExpected(17); + return finishNode(node); } - return symbol.id; - } - ts.getSymbolId = getSymbolId; - function createTypeChecker(host, produceDiagnostics) { - var cancellationToken; - var Symbol = ts.objectAllocator.getSymbolConstructor(); - var Type = ts.objectAllocator.getTypeConstructor(); - var Signature = ts.objectAllocator.getSignatureConstructor(); - var typeCount = 0; - var symbolCount = 0; - var emptyArray = []; - var emptySymbols = ts.createMap(); - var compilerOptions = host.getCompilerOptions(); - var languageVersion = compilerOptions.target || 0; - var modulekind = ts.getEmitModuleKind(compilerOptions); - var noUnusedIdentifiers = !!compilerOptions.noUnusedLocals || !!compilerOptions.noUnusedParameters; - var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === ts.ModuleKind.System; - var strictNullChecks = compilerOptions.strictNullChecks; - var emitResolver = createResolver(); - var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); - undefinedSymbol.declarations = []; - var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); - var checker = { - getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, - getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, - getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, - getTypeCount: function () { return typeCount; }, - isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, - isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, - isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, - getDiagnostics: getDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getTypeOfSymbolAtLocation: getTypeOfSymbolAtLocation, - getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, - getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, - getPropertiesOfType: getPropertiesOfType, - getPropertyOfType: getPropertyOfType, - getSignaturesOfType: getSignaturesOfType, - getIndexTypeOfType: getIndexTypeOfType, - getBaseTypes: getBaseTypes, - getReturnTypeOfSignature: getReturnTypeOfSignature, - getNonNullableType: getNonNullableType, - getSymbolsInScope: getSymbolsInScope, - getSymbolAtLocation: getSymbolAtLocation, - getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, - getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, - getTypeAtLocation: getTypeOfNode, - getPropertySymbolOfDestructuringAssignment: getPropertySymbolOfDestructuringAssignment, - typeToString: typeToString, - getSymbolDisplayBuilder: getSymbolDisplayBuilder, - symbolToString: symbolToString, - getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, - getRootSymbols: getRootSymbols, - getContextualType: getContextualType, - getFullyQualifiedName: getFullyQualifiedName, - getResolvedSignature: getResolvedSignature, - getConstantValue: getConstantValue, - isValidPropertyAccess: isValidPropertyAccess, - getSignatureFromDeclaration: getSignatureFromDeclaration, - isImplementationOfOverload: isImplementationOfOverload, - getAliasedSymbol: resolveAlias, - getEmitResolver: getEmitResolver, - getExportsOfModule: getExportsOfModuleAsArray, - getAmbientModules: getAmbientModules, - getJsxElementAttributesType: getJsxElementAttributesType, - getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, - isOptionalParameter: isOptionalParameter - }; - var tupleTypes = []; - var unionTypes = ts.createMap(); - var intersectionTypes = ts.createMap(); - var stringLiteralTypes = ts.createMap(); - var numericLiteralTypes = ts.createMap(); - var evolvingArrayTypes = []; - var unknownSymbol = createSymbol(4 | 67108864, "unknown"); - var resolvingSymbol = createSymbol(67108864, "__resolving__"); - var anyType = createIntrinsicType(1, "any"); - var autoType = createIntrinsicType(1, "any"); - var unknownType = createIntrinsicType(1, "unknown"); - var undefinedType = createIntrinsicType(2048, "undefined"); - var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 | 33554432, "undefined"); - var nullType = createIntrinsicType(4096, "null"); - var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 | 33554432, "null"); - var stringType = createIntrinsicType(2, "string"); - var numberType = createIntrinsicType(4, "number"); - var trueType = createIntrinsicType(128, "true"); - var falseType = createIntrinsicType(128, "false"); - var booleanType = createBooleanType([trueType, falseType]); - var esSymbolType = createIntrinsicType(512, "symbol"); - var voidType = createIntrinsicType(1024, "void"); - var neverType = createIntrinsicType(8192, "never"); - var silentNeverType = createIntrinsicType(8192, "never"); - var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - emptyGenericType.instantiations = ts.createMap(); - var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - anyFunctionType.flags |= 134217728; - var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); - var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); - var resolvingSignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); - var silentNeverSignature = createSignature(undefined, undefined, undefined, emptyArray, silentNeverType, undefined, 0, false, false); - var enumNumberIndexInfo = createIndexInfo(stringType, true); - var globals = ts.createMap(); - var patternAmbientModules; - var getGlobalESSymbolConstructorSymbol; - var getGlobalPromiseConstructorSymbol; - var tryGetGlobalPromiseConstructorSymbol; - var globalObjectType; - var globalFunctionType; - var globalArrayType; - var globalReadonlyArrayType; - var globalStringType; - var globalNumberType; - var globalBooleanType; - var globalRegExpType; - var anyArrayType; - var autoArrayType; - var anyReadonlyArrayType; - var getGlobalTemplateStringsArrayType; - var getGlobalESSymbolType; - var getGlobalIterableType; - var getGlobalIteratorType; - var getGlobalIterableIteratorType; - var getGlobalClassDecoratorType; - var getGlobalParameterDecoratorType; - var getGlobalPropertyDecoratorType; - var getGlobalMethodDecoratorType; - var getGlobalTypedPropertyDescriptorType; - var getGlobalPromiseType; - var tryGetGlobalPromiseType; - var getGlobalPromiseLikeType; - var getInstantiatedGlobalPromiseLikeType; - var getGlobalPromiseConstructorLikeType; - var getGlobalThenableType; - var jsxElementClassType; - var deferredNodes; - var deferredUnusedIdentifierNodes; - var flowLoopStart = 0; - var flowLoopCount = 0; - var visitedFlowCount = 0; - var emptyStringType = getLiteralTypeForText(32, ""); - var zeroType = getLiteralTypeForText(64, "0"); - var resolutionTargets = []; - var resolutionResults = []; - var resolutionPropertyNames = []; - var mergedSymbols = []; - var symbolLinks = []; - var nodeLinks = []; - var flowLoopCaches = []; - var flowLoopNodes = []; - var flowLoopKeys = []; - var flowLoopTypes = []; - var visitedFlowNodes = []; - var visitedFlowTypes = []; - var potentialThisCollisions = []; - var awaitedTypeStack = []; - var diagnostics = ts.createDiagnosticCollection(); - var TypeFacts; - (function (TypeFacts) { - TypeFacts[TypeFacts["None"] = 0] = "None"; - TypeFacts[TypeFacts["TypeofEQString"] = 1] = "TypeofEQString"; - TypeFacts[TypeFacts["TypeofEQNumber"] = 2] = "TypeofEQNumber"; - TypeFacts[TypeFacts["TypeofEQBoolean"] = 4] = "TypeofEQBoolean"; - TypeFacts[TypeFacts["TypeofEQSymbol"] = 8] = "TypeofEQSymbol"; - TypeFacts[TypeFacts["TypeofEQObject"] = 16] = "TypeofEQObject"; - TypeFacts[TypeFacts["TypeofEQFunction"] = 32] = "TypeofEQFunction"; - TypeFacts[TypeFacts["TypeofEQHostObject"] = 64] = "TypeofEQHostObject"; - TypeFacts[TypeFacts["TypeofNEString"] = 128] = "TypeofNEString"; - TypeFacts[TypeFacts["TypeofNENumber"] = 256] = "TypeofNENumber"; - TypeFacts[TypeFacts["TypeofNEBoolean"] = 512] = "TypeofNEBoolean"; - TypeFacts[TypeFacts["TypeofNESymbol"] = 1024] = "TypeofNESymbol"; - TypeFacts[TypeFacts["TypeofNEObject"] = 2048] = "TypeofNEObject"; - TypeFacts[TypeFacts["TypeofNEFunction"] = 4096] = "TypeofNEFunction"; - TypeFacts[TypeFacts["TypeofNEHostObject"] = 8192] = "TypeofNEHostObject"; - TypeFacts[TypeFacts["EQUndefined"] = 16384] = "EQUndefined"; - TypeFacts[TypeFacts["EQNull"] = 32768] = "EQNull"; - TypeFacts[TypeFacts["EQUndefinedOrNull"] = 65536] = "EQUndefinedOrNull"; - TypeFacts[TypeFacts["NEUndefined"] = 131072] = "NEUndefined"; - TypeFacts[TypeFacts["NENull"] = 262144] = "NENull"; - TypeFacts[TypeFacts["NEUndefinedOrNull"] = 524288] = "NEUndefinedOrNull"; - TypeFacts[TypeFacts["Truthy"] = 1048576] = "Truthy"; - TypeFacts[TypeFacts["Falsy"] = 2097152] = "Falsy"; - TypeFacts[TypeFacts["Discriminatable"] = 4194304] = "Discriminatable"; - TypeFacts[TypeFacts["All"] = 8388607] = "All"; - TypeFacts[TypeFacts["BaseStringStrictFacts"] = 933633] = "BaseStringStrictFacts"; - TypeFacts[TypeFacts["BaseStringFacts"] = 3145473] = "BaseStringFacts"; - TypeFacts[TypeFacts["StringStrictFacts"] = 4079361] = "StringStrictFacts"; - TypeFacts[TypeFacts["StringFacts"] = 4194049] = "StringFacts"; - TypeFacts[TypeFacts["EmptyStringStrictFacts"] = 3030785] = "EmptyStringStrictFacts"; - TypeFacts[TypeFacts["EmptyStringFacts"] = 3145473] = "EmptyStringFacts"; - TypeFacts[TypeFacts["NonEmptyStringStrictFacts"] = 1982209] = "NonEmptyStringStrictFacts"; - TypeFacts[TypeFacts["NonEmptyStringFacts"] = 4194049] = "NonEmptyStringFacts"; - TypeFacts[TypeFacts["BaseNumberStrictFacts"] = 933506] = "BaseNumberStrictFacts"; - TypeFacts[TypeFacts["BaseNumberFacts"] = 3145346] = "BaseNumberFacts"; - TypeFacts[TypeFacts["NumberStrictFacts"] = 4079234] = "NumberStrictFacts"; - TypeFacts[TypeFacts["NumberFacts"] = 4193922] = "NumberFacts"; - TypeFacts[TypeFacts["ZeroStrictFacts"] = 3030658] = "ZeroStrictFacts"; - TypeFacts[TypeFacts["ZeroFacts"] = 3145346] = "ZeroFacts"; - TypeFacts[TypeFacts["NonZeroStrictFacts"] = 1982082] = "NonZeroStrictFacts"; - TypeFacts[TypeFacts["NonZeroFacts"] = 4193922] = "NonZeroFacts"; - TypeFacts[TypeFacts["BaseBooleanStrictFacts"] = 933252] = "BaseBooleanStrictFacts"; - TypeFacts[TypeFacts["BaseBooleanFacts"] = 3145092] = "BaseBooleanFacts"; - TypeFacts[TypeFacts["BooleanStrictFacts"] = 4078980] = "BooleanStrictFacts"; - TypeFacts[TypeFacts["BooleanFacts"] = 4193668] = "BooleanFacts"; - TypeFacts[TypeFacts["FalseStrictFacts"] = 3030404] = "FalseStrictFacts"; - TypeFacts[TypeFacts["FalseFacts"] = 3145092] = "FalseFacts"; - TypeFacts[TypeFacts["TrueStrictFacts"] = 1981828] = "TrueStrictFacts"; - TypeFacts[TypeFacts["TrueFacts"] = 4193668] = "TrueFacts"; - TypeFacts[TypeFacts["SymbolStrictFacts"] = 1981320] = "SymbolStrictFacts"; - TypeFacts[TypeFacts["SymbolFacts"] = 4193160] = "SymbolFacts"; - TypeFacts[TypeFacts["ObjectStrictFacts"] = 6166480] = "ObjectStrictFacts"; - TypeFacts[TypeFacts["ObjectFacts"] = 8378320] = "ObjectFacts"; - TypeFacts[TypeFacts["FunctionStrictFacts"] = 6164448] = "FunctionStrictFacts"; - TypeFacts[TypeFacts["FunctionFacts"] = 8376288] = "FunctionFacts"; - TypeFacts[TypeFacts["UndefinedFacts"] = 2457472] = "UndefinedFacts"; - TypeFacts[TypeFacts["NullFacts"] = 2340752] = "NullFacts"; - })(TypeFacts || (TypeFacts = {})); - var typeofEQFacts = ts.createMap({ - "string": 1, - "number": 2, - "boolean": 4, - "symbol": 8, - "undefined": 16384, - "object": 16, - "function": 32 - }); - var typeofNEFacts = ts.createMap({ - "string": 128, - "number": 256, - "boolean": 512, - "symbol": 1024, - "undefined": 131072, - "object": 2048, - "function": 4096 - }); - var typeofTypesByName = ts.createMap({ - "string": stringType, - "number": numberType, - "boolean": booleanType, - "symbol": esSymbolType, - "undefined": undefinedType - }); - var jsxElementType; - var jsxTypes = ts.createMap(); - var JsxNames = { - JSX: "JSX", - IntrinsicElements: "IntrinsicElements", - ElementClass: "ElementClass", - ElementAttributesPropertyNameContainer: "ElementAttributesProperty", - Element: "Element", - IntrinsicAttributes: "IntrinsicAttributes", - IntrinsicClassAttributes: "IntrinsicClassAttributes" - }; - var subtypeRelation = ts.createMap(); - var assignableRelation = ts.createMap(); - var comparableRelation = ts.createMap(); - var identityRelation = ts.createMap(); - var enumRelation = ts.createMap(); - var _displayBuilder; - var TypeSystemPropertyName; - (function (TypeSystemPropertyName) { - TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; - TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; - })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); - var builtinGlobals = ts.createMap(); - builtinGlobals[undefinedSymbol.name] = undefinedSymbol; - initializeTypeChecker(); - return checker; - function getEmitResolver(sourceFile, cancellationToken) { - getDiagnostics(sourceFile, cancellationToken); - return emitResolver; + function parseFunctionExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var node = createNode(180); + node.modifiers = parseModifiers(); + parseExpected(88); + node.asteriskToken = parseOptionalToken(38); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(ts.getModifierFlags(node) & 256); + node.name = + isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : + isGenerator ? doInYieldContext(parseOptionalIdentifier) : + isAsync ? doInAwaitContext(parseOptionalIdentifier) : + parseOptionalIdentifier(); + fillSignature(55, isGenerator, isAsync, false, node); + node.body = parseFunctionBlock(isGenerator, isAsync, false); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + return addJSDocComment(finishNode(node)); } - function error(location, message, arg0, arg1, arg2) { - var diagnostic = location - ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) - : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); - diagnostics.add(diagnostic); + function parseOptionalIdentifier() { + return isIdentifier() ? parseIdentifier() : undefined; } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); + function parseNewExpression() { + var node = createNode(176); + parseExpected(93); + node.expression = parseMemberExpressionOrHigher(); + node.typeArguments = tryParse(parseTypeArgumentsInExpression); + if (node.typeArguments || token() === 18) { + node.arguments = parseArgumentList(); + } + return finishNode(node); } - function getExcludedSymbolFlags(flags) { - var result = 0; - if (flags & 2) - result |= 107455; - if (flags & 1) - result |= 107454; - if (flags & 4) - result |= 0; - if (flags & 8) - result |= 900095; - if (flags & 16) - result |= 106927; - if (flags & 32) - result |= 899519; - if (flags & 64) - result |= 792968; - if (flags & 256) - result |= 899327; - if (flags & 128) - result |= 899967; - if (flags & 512) - result |= 106639; - if (flags & 8192) - result |= 99263; - if (flags & 32768) - result |= 41919; - if (flags & 65536) - result |= 74687; - if (flags & 262144) - result |= 530920; - if (flags & 524288) - result |= 793064; - if (flags & 8388608) - result |= 8388608; - return result; + function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { + var node = createNode(200); + if (parseExpected(16, diagnosticMessage) || ignoreMissingOpenBrace) { + if (scanner.hasPrecedingLineBreak()) { + node.multiLine = true; + } + node.statements = parseList(1, parseStatement); + parseExpected(17); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); } - function recordMergedSymbol(target, source) { - if (!source.mergeId) { - source.mergeId = nextMergeId; - nextMergeId++; + function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { + var savedYieldContext = inYieldContext(); + setYieldContext(allowYield); + var savedAwaitContext = inAwaitContext(); + setAwaitContext(allowAwait); + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); } - mergedSymbols[source.mergeId] = target; + var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return block; } - function cloneSymbol(symbol) { - var result = createSymbol(symbol.flags | 33554432, symbol.name); - result.declarations = symbol.declarations.slice(0); - result.parent = symbol.parent; - if (symbol.valueDeclaration) - result.valueDeclaration = symbol.valueDeclaration; - if (symbol.constEnumOnlyModule) - result.constEnumOnlyModule = true; - if (symbol.members) - result.members = ts.cloneMap(symbol.members); - if (symbol.exports) - result.exports = ts.cloneMap(symbol.exports); - recordMergedSymbol(result, symbol); - return result; + function parseEmptyStatement() { + var node = createNode(202); + parseExpected(24); + return finishNode(node); } - function mergeSymbol(target, source) { - if (!(target.flags & getExcludedSymbolFlags(source.flags))) { - if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { - target.constEnumOnlyModule = false; + function parseIfStatement() { + var node = createNode(204); + parseExpected(89); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + node.thenStatement = parseStatement(); + node.elseStatement = parseOptional(81) ? parseStatement() : undefined; + return finishNode(node); + } + function parseDoStatement() { + var node = createNode(205); + parseExpected(80); + node.statement = parseStatement(); + parseExpected(105); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + parseOptional(24); + return finishNode(node); + } + function parseWhileStatement() { + var node = createNode(206); + parseExpected(105); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + node.statement = parseStatement(); + return finishNode(node); + } + function parseForOrForInOrForOfStatement() { + var pos = getNodePos(); + parseExpected(87); + parseExpected(18); + var initializer = undefined; + if (token() !== 24) { + if (token() === 103 || token() === 109 || token() === 75) { + initializer = parseVariableDeclarationList(true); } - target.flags |= source.flags; - if (source.valueDeclaration && - (!target.valueDeclaration || - (target.valueDeclaration.kind === 226 && source.valueDeclaration.kind !== 226))) { - target.valueDeclaration = source.valueDeclaration; + else { + initializer = disallowInAnd(parseExpression); } - ts.forEach(source.declarations, function (node) { - target.declarations.push(node); - }); - if (source.members) { - if (!target.members) - target.members = ts.createMap(); - mergeSymbolTable(target.members, source.members); + } + var forOrForInOrForOfStatement; + if (parseOptional(91)) { + var forInStatement = createNode(208, pos); + forInStatement.initializer = initializer; + forInStatement.expression = allowInAnd(parseExpression); + parseExpected(19); + forOrForInOrForOfStatement = forInStatement; + } + else if (parseOptional(139)) { + var forOfStatement = createNode(209, pos); + forOfStatement.initializer = initializer; + forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); + parseExpected(19); + forOrForInOrForOfStatement = forOfStatement; + } + else { + var forStatement = createNode(207, pos); + forStatement.initializer = initializer; + parseExpected(24); + if (token() !== 24 && token() !== 19) { + forStatement.condition = allowInAnd(parseExpression); } - if (source.exports) { - if (!target.exports) - target.exports = ts.createMap(); - mergeSymbolTable(target.exports, source.exports); + parseExpected(24); + if (token() !== 19) { + forStatement.incrementor = allowInAnd(parseExpression); } - recordMergedSymbol(target, source); + parseExpected(19); + forOrForInOrForOfStatement = forStatement; + } + forOrForInOrForOfStatement.statement = parseStatement(); + return finishNode(forOrForInOrForOfStatement); + } + function parseBreakOrContinueStatement(kind) { + var node = createNode(kind); + parseExpected(kind === 211 ? 71 : 76); + if (!canParseSemicolon()) { + node.label = parseIdentifier(); + } + parseSemicolon(); + return finishNode(node); + } + function parseReturnStatement() { + var node = createNode(212); + parseExpected(95); + if (!canParseSemicolon()) { + node.expression = allowInAnd(parseExpression); + } + parseSemicolon(); + return finishNode(node); + } + function parseWithStatement() { + var node = createNode(213); + parseExpected(106); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + node.statement = parseStatement(); + return finishNode(node); + } + function parseCaseClause() { + var node = createNode(249); + parseExpected(72); + node.expression = allowInAnd(parseExpression); + parseExpected(55); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseDefaultClause() { + var node = createNode(250); + parseExpected(78); + parseExpected(55); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseCaseOrDefaultClause() { + return token() === 72 ? parseCaseClause() : parseDefaultClause(); + } + function parseSwitchStatement() { + var node = createNode(214); + parseExpected(97); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + var caseBlock = createNode(228, scanner.getStartPos()); + parseExpected(16); + caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); + parseExpected(17); + node.caseBlock = finishNode(caseBlock); + return finishNode(node); + } + function parseThrowStatement() { + var node = createNode(216); + parseExpected(99); + node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); + parseSemicolon(); + return finishNode(node); + } + function parseTryStatement() { + var node = createNode(217); + parseExpected(101); + node.tryBlock = parseBlock(false); + node.catchClause = token() === 73 ? parseCatchClause() : undefined; + if (!node.catchClause || token() === 86) { + parseExpected(86); + node.finallyBlock = parseBlock(false); + } + return finishNode(node); + } + function parseCatchClause() { + var result = createNode(252); + parseExpected(73); + if (parseExpected(18)) { + result.variableDeclaration = parseVariableDeclaration(); + } + parseExpected(19); + result.block = parseBlock(false); + return finishNode(result); + } + function parseDebuggerStatement() { + var node = createNode(218); + parseExpected(77); + parseSemicolon(); + return finishNode(node); + } + function parseExpressionOrLabeledStatement() { + var fullStart = scanner.getStartPos(); + var expression = allowInAnd(parseExpression); + if (expression.kind === 70 && parseOptional(55)) { + var labeledStatement = createNode(215, fullStart); + labeledStatement.label = expression; + labeledStatement.statement = parseStatement(); + return addJSDocComment(finishNode(labeledStatement)); } else { - var message_2 = target.flags & 2 || source.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(source.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - ts.forEach(target.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); + var expressionStatement = createNode(203, fullStart); + expressionStatement.expression = expression; + parseSemicolon(); + return addJSDocComment(finishNode(expressionStatement)); } } - function mergeSymbolTable(target, source) { - for (var id in source) { - var targetSymbol = target[id]; - if (!targetSymbol) { - target[id] = source[id]; + function nextTokenIsIdentifierOrKeywordOnSameLine() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token()) && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsFunctionKeywordOnSameLine() { + nextToken(); + return token() === 88 && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { + nextToken(); + return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8) && !scanner.hasPrecedingLineBreak(); + } + function isDeclaration() { + while (true) { + switch (token()) { + case 103: + case 109: + case 75: + case 88: + case 74: + case 82: + return true; + case 108: + case 135: + return nextTokenIsIdentifierOnSameLine(); + case 126: + case 127: + return nextTokenIsIdentifierOrStringLiteralOnSameLine(); + case 116: + case 119: + case 123: + case 111: + case 112: + case 113: + case 129: + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + continue; + case 138: + nextToken(); + return token() === 16 || token() === 70 || token() === 83; + case 90: + nextToken(); + return token() === 9 || token() === 38 || + token() === 16 || ts.tokenIsIdentifierOrKeyword(token()); + case 83: + nextToken(); + if (token() === 57 || token() === 38 || + token() === 16 || token() === 78 || + token() === 117) { + return true; + } + continue; + case 114: + nextToken(); + continue; + default: + return false; } - else { - if (!(targetSymbol.flags & 33554432)) { - target[id] = targetSymbol = cloneSymbol(targetSymbol); + } + } + function isStartOfDeclaration() { + return lookAhead(isDeclaration); + } + function isStartOfStatement() { + switch (token()) { + case 56: + case 24: + case 16: + case 103: + case 109: + case 88: + case 74: + case 82: + case 89: + case 80: + case 105: + case 87: + case 76: + case 71: + case 95: + case 106: + case 97: + case 99: + case 101: + case 77: + case 73: + case 86: + return true; + case 75: + case 83: + case 90: + return isStartOfDeclaration(); + case 119: + case 123: + case 108: + case 126: + case 127: + case 135: + case 138: + return true; + case 113: + case 111: + case 112: + case 114: + case 129: + return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + default: + return isStartOfExpression(); + } + } + function nextTokenIsIdentifierOrStartOfDestructuring() { + nextToken(); + return isIdentifier() || token() === 16 || token() === 20; + } + function isLetDeclaration() { + return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); + } + function parseStatement() { + switch (token()) { + case 24: + return parseEmptyStatement(); + case 16: + return parseBlock(false); + case 103: + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + case 109: + if (isLetDeclaration()) { + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + } + break; + case 88: + return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); + case 74: + return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); + case 89: + return parseIfStatement(); + case 80: + return parseDoStatement(); + case 105: + return parseWhileStatement(); + case 87: + return parseForOrForInOrForOfStatement(); + case 76: + return parseBreakOrContinueStatement(210); + case 71: + return parseBreakOrContinueStatement(211); + case 95: + return parseReturnStatement(); + case 106: + return parseWithStatement(); + case 97: + return parseSwitchStatement(); + case 99: + return parseThrowStatement(); + case 101: + case 73: + case 86: + return parseTryStatement(); + case 77: + return parseDebuggerStatement(); + case 56: + return parseDeclaration(); + case 119: + case 108: + case 135: + case 126: + case 127: + case 123: + case 75: + case 82: + case 83: + case 90: + case 111: + case 112: + case 113: + case 116: + case 114: + case 129: + case 138: + if (isStartOfDeclaration()) { + return parseDeclaration(); + } + break; + } + return parseExpressionOrLabeledStatement(); + } + function parseDeclaration() { + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + switch (token()) { + case 103: + case 109: + case 75: + return parseVariableStatement(fullStart, decorators, modifiers); + case 88: + return parseFunctionDeclaration(fullStart, decorators, modifiers); + case 74: + return parseClassDeclaration(fullStart, decorators, modifiers); + case 108: + return parseInterfaceDeclaration(fullStart, decorators, modifiers); + case 135: + return parseTypeAliasDeclaration(fullStart, decorators, modifiers); + case 82: + return parseEnumDeclaration(fullStart, decorators, modifiers); + case 138: + case 126: + case 127: + return parseModuleDeclaration(fullStart, decorators, modifiers); + case 90: + return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); + case 83: + nextToken(); + switch (token()) { + case 78: + case 57: + return parseExportAssignment(fullStart, decorators, modifiers); + case 117: + return parseNamespaceExportDeclaration(fullStart, decorators, modifiers); + default: + return parseExportDeclaration(fullStart, decorators, modifiers); + } + default: + if (decorators || modifiers) { + var node = createMissingNode(240, true, ts.Diagnostics.Declaration_expected); + node.pos = fullStart; + node.decorators = decorators; + node.modifiers = modifiers; + return finishNode(node); } - mergeSymbol(targetSymbol, source[id]); - } } } - function mergeModuleAugmentation(moduleName) { - var moduleAugmentation = moduleName.parent; - if (moduleAugmentation.symbol.declarations[0] !== moduleAugmentation) { - ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); + function nextTokenIsIdentifierOrStringLiteralOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 9); + } + function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { + if (token() !== 16 && canParseSemicolon()) { + parseSemicolon(); return; } - if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { - mergeSymbolTable(globals, moduleAugmentation.symbol.exports); - } - else { - var moduleNotFoundError = !ts.isInAmbientContext(moduleName.parent.parent) - ? ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found - : undefined; - var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, moduleNotFoundError); - if (!mainModule) { - return; - } - mainModule = resolveExternalModuleSymbol(mainModule); - if (mainModule.flags & 1920) { - mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); - mergeSymbol(mainModule, moduleAugmentation.symbol); - } - else { - error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); - } + return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); + } + function parseArrayBindingElement() { + if (token() === 25) { + return createNode(194); } + var node = createNode(170); + node.dotDotDotToken = parseOptionalToken(23); + node.name = parseIdentifierOrPattern(); + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); } - function addToSymbolTable(target, source, message) { - for (var id in source) { - if (target[id]) { - ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); - } - else { - target[id] = source[id]; - } + function parseObjectBindingElement() { + var node = createNode(170); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + if (tokenIsIdentifier && token() !== 55) { + node.name = propertyName; } - function addDeclarationDiagnostic(id, message) { - return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + else { + parseExpected(55); + node.propertyName = propertyName; + node.name = parseIdentifierOrPattern(); } + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); } - function getSymbolLinks(symbol) { - if (symbol.flags & 67108864) - return symbol; - var id = getSymbolId(symbol); - return symbolLinks[id] || (symbolLinks[id] = {}); + function parseObjectBindingPattern() { + var node = createNode(168); + parseExpected(16); + node.elements = parseDelimitedList(9, parseObjectBindingElement); + parseExpected(17); + return finishNode(node); } - function getNodeLinks(node) { - var nodeId = getNodeId(node); - return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 }); + function parseArrayBindingPattern() { + var node = createNode(169); + parseExpected(20); + node.elements = parseDelimitedList(10, parseArrayBindingElement); + parseExpected(21); + return finishNode(node); } - function isGlobalSourceFile(node) { - return node.kind === 256 && !ts.isExternalOrCommonJsModule(node); + function isIdentifierOrPattern() { + return token() === 16 || token() === 20 || isIdentifier(); } - function getSymbol(symbols, name, meaning) { - if (meaning) { - var symbol = symbols[name]; - if (symbol) { - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - if (symbol.flags & meaning) { - return symbol; - } - if (symbol.flags & 8388608) { - var target = resolveAlias(symbol); - if (target === unknownSymbol || target.flags & meaning) { - return symbol; - } - } - } + function parseIdentifierOrPattern() { + if (token() === 20) { + return parseArrayBindingPattern(); } - } - function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { - var constructorDeclaration = parameter.parent; - var classDeclaration = parameter.parent.parent; - var parameterSymbol = getSymbol(constructorDeclaration.locals, parameterName, 107455); - var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); - if (parameterSymbol && propertySymbol) { - return [parameterSymbol, propertySymbol]; + if (token() === 16) { + return parseObjectBindingPattern(); } - ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); + return parseIdentifier(); } - function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { - var declarationFile = ts.getSourceFileOfNode(declaration); - var useFile = ts.getSourceFileOfNode(usage); - if (declarationFile !== useFile) { - if ((modulekind && (declarationFile.externalModuleIndicator || useFile.externalModuleIndicator)) || - (!compilerOptions.outFile && !compilerOptions.out)) { - return true; - } - var sourceFiles = host.getSourceFiles(); - return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); - } - if (declaration.pos <= usage.pos) { - return declaration.kind !== 219 || - !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); - } - return isUsedInFunctionOrNonStaticProperty(declaration, usage); - function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - switch (declaration.parent.parent.kind) { - case 201: - case 207: - case 209: - if (isSameScopeDescendentOf(usage, declaration, container)) { - return true; - } - break; - } - switch (declaration.parent.parent.kind) { - case 208: - case 209: - if (isSameScopeDescendentOf(usage, declaration.parent.parent.expression, container)) { - return true; - } - } - return false; - } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - var current = usage; - while (current) { - if (current === container) { - return false; - } - if (ts.isFunctionLike(current)) { - return true; - } - var initializerOfNonStaticProperty = current.parent && - current.parent.kind === 146 && - (ts.getModifierFlags(current.parent) & 32) === 0 && - current.parent.initializer === current; - if (initializerOfNonStaticProperty) { - return true; - } - current = current.parent; - } - return false; + function parseVariableDeclaration() { + var node = createNode(219); + node.name = parseIdentifierOrPattern(); + node.type = parseTypeAnnotation(); + if (!isInOrOfKeyword(token())) { + node.initializer = parseInitializer(false); } + return finishNode(node); } - function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { - var result; - var lastLocation; - var propertyWithInvalidInitializer; - var errorLocation = location; - var grandparent; - var isInExternalModule = false; - loop: while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - if (result = getSymbol(location.locals, name, meaning)) { - var useResult = true; - if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { - if (meaning & result.flags & 793064 && lastLocation.kind !== 273) { - useResult = result.flags & 262144 - ? lastLocation === location.type || - lastLocation.kind === 143 || - lastLocation.kind === 142 - : false; - } - if (meaning & 107455 && result.flags & 1) { - useResult = - lastLocation.kind === 143 || - (lastLocation === location.type && - result.valueDeclaration.kind === 143); - } - } - if (useResult) { - break loop; - } - else { - result = undefined; - } - } - } - switch (location.kind) { - case 256: - if (!ts.isExternalOrCommonJsModule(location)) - break; - isInExternalModule = true; - case 226: - var moduleExports = getSymbolOfNode(location).exports; - if (location.kind === 256 || ts.isAmbientModule(location)) { - if (result = moduleExports["default"]) { - var localSymbol = ts.getLocalSymbolForExportDefault(result); - if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { - break loop; - } - result = undefined; - } - if (moduleExports[name] && - moduleExports[name].flags === 8388608 && - ts.getDeclarationOfKind(moduleExports[name], 239)) { - break; - } - } - if (result = getSymbol(moduleExports, name, meaning & 8914931)) { - break loop; - } - break; - case 225: - if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { - break loop; - } - break; - case 146: - case 145: - if (ts.isClassLike(location.parent) && !(ts.getModifierFlags(location) & 32)) { - var ctor = findConstructorDeclaration(location.parent); - if (ctor && ctor.locals) { - if (getSymbol(ctor.locals, name, meaning & 107455)) { - propertyWithInvalidInitializer = location; - } - } - } - break; - case 222: - case 193: - case 223: - if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793064)) { - if (lastLocation && ts.getModifierFlags(lastLocation) & 32) { - error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); - return undefined; - } - break loop; - } - if (location.kind === 193 && meaning & 32) { - var className = location.name; - if (className && name === className.text) { - result = location.symbol; - break loop; - } - } - break; - case 141: - grandparent = location.parent.parent; - if (ts.isClassLike(grandparent) || grandparent.kind === 223) { - if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793064)) { - error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); - return undefined; - } - } - break; - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 181: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - break; - case 180: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - if (meaning & 16) { - var functionName = location.name; - if (functionName && name === functionName.text) { - result = location.symbol; - break loop; - } - } - break; - case 144: - if (location.parent && location.parent.kind === 143) { - location = location.parent; - } - if (location.parent && ts.isClassElement(location.parent)) { - location = location.parent; - } - break; - } - lastLocation = location; - location = location.parent; - } - if (result && nameNotFoundMessage && noUnusedIdentifiers) { - result.isReferenced = true; - } - if (!result) { - result = getSymbol(globals, name, meaning); + function parseVariableDeclarationList(inForStatementInitializer) { + var node = createNode(220); + switch (token()) { + case 103: + break; + case 109: + node.flags |= 1; + break; + case 75: + node.flags |= 2; + break; + default: + ts.Debug.fail(); } - if (!result) { - if (nameNotFoundMessage) { - if (!errorLocation || - !checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) && - !checkAndReportErrorForExtendingInterface(errorLocation) && - !checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning)) { - error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - } - } - return undefined; + nextToken(); + if (token() === 139 && lookAhead(canFollowContextualOfKeyword)) { + node.declarations = createMissingList(); } - if (nameNotFoundMessage) { - if (propertyWithInvalidInitializer) { - var propertyName = propertyWithInvalidInitializer.name; - error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return undefined; - } - if (meaning & 2) { - var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); - if (exportOrLocalSymbol.flags & 2) { - checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); - } - } - if (result && isInExternalModule && (meaning & 107455) === 107455) { - var decls = result.declarations; - if (decls && decls.length === 1 && decls[0].kind === 229) { - error(errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, name); - } - } + else { + var savedDisallowIn = inDisallowInContext(); + setDisallowInContext(inForStatementInitializer); + node.declarations = parseDelimitedList(8, parseVariableDeclaration); + setDisallowInContext(savedDisallowIn); } - return result; + return finishNode(node); } - function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { - if ((errorLocation.kind === 70 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { - return false; + function canFollowContextualOfKeyword() { + return nextTokenIsIdentifier() && nextToken() === 19; + } + function parseVariableStatement(fullStart, decorators, modifiers) { + var node = createNode(201, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + node.declarationList = parseVariableDeclarationList(false); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseFunctionDeclaration(fullStart, decorators, modifiers) { + var node = createNode(221, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(88); + node.asteriskToken = parseOptionalToken(38); + node.name = ts.hasModifier(node, 512) ? parseOptionalIdentifier() : parseIdentifier(); + var isGenerator = !!node.asteriskToken; + var isAsync = ts.hasModifier(node, 256); + fillSignature(55, isGenerator, isAsync, false, node); + node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseConstructorDeclaration(pos, decorators, modifiers) { + var node = createNode(149, pos); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(122); + fillSignature(55, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { + var method = createNode(148, fullStart); + method.decorators = decorators; + method.modifiers = modifiers; + method.asteriskToken = asteriskToken; + method.name = name; + method.questionToken = questionToken; + var isGenerator = !!asteriskToken; + var isAsync = ts.hasModifier(method, 256); + fillSignature(55, isGenerator, isAsync, false, method); + method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); + return addJSDocComment(finishNode(method)); + } + function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { + var property = createNode(146, fullStart); + property.decorators = decorators; + property.modifiers = modifiers; + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + property.initializer = ts.hasModifier(property, 32) + ? allowInAnd(parseNonParameterInitializer) + : doOutsideOfContext(65536 | 32768, parseNonParameterInitializer); + parseSemicolon(); + return addJSDocComment(finishNode(property)); + } + function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { + var asteriskToken = parseOptionalToken(38); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(54); + if (asteriskToken || token() === 18 || token() === 26) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); } - var container = ts.getThisContainer(errorLocation, true); - var location = container; - while (location) { - if (ts.isClassLike(location.parent)) { - var classSymbol = getSymbolOfNode(location.parent); - if (!classSymbol) { - break; - } - var constructorType = getTypeOfSymbol(classSymbol); - if (getPropertyOfType(constructorType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); - return true; - } - if (location === container && !(ts.getModifierFlags(location) & 32)) { - var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; - if (getPropertyOfType(instanceType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return true; - } - } - } - location = location.parent; + else { + return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); } - return false; } - function checkAndReportErrorForExtendingInterface(errorLocation) { - var expression = getEntityNameForExtendingInterface(errorLocation); - var isError = !!(expression && resolveEntityName(expression, 64, true)); - if (isError) { - error(errorLocation, ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements, ts.getTextOfNode(expression)); - } - return isError; + function parseNonParameterInitializer() { + return parseInitializer(false); } - function getEntityNameForExtendingInterface(node) { - switch (node.kind) { - case 70: - case 173: - return node.parent ? getEntityNameForExtendingInterface(node.parent) : undefined; - case 195: - ts.Debug.assert(ts.isEntityNameExpression(node.expression)); - return node.expression; + function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + node.name = parsePropertyName(); + fillSignature(55, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false); + return addJSDocComment(finishNode(node)); + } + function isClassMemberModifier(idToken) { + switch (idToken) { + case 113: + case 111: + case 112: + case 114: + case 129: + return true; default: - return undefined; + return false; } } - function checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) { - if (meaning & (107455 & ~1024)) { - var symbol = resolveSymbol(resolveName(errorLocation, name, 793064 & ~107455, undefined, undefined)); - if (symbol && !(symbol.flags & 1024)) { - error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, name); + function isClassMemberStart() { + var idToken; + if (token() === 56) { + return true; + } + while (ts.isModifierKind(token())) { + idToken = token(); + if (isClassMemberModifier(idToken)) { return true; } + nextToken(); } - return false; - } - function checkResolvedBlockScopedVariable(result, errorLocation) { - ts.Debug.assert((result.flags & 2) !== 0); - var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); - ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); - if (!ts.isInAmbientContext(declaration) && !isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 219), errorLocation)) { - error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); + if (token() === 38) { + return true; } - } - function isSameScopeDescendentOf(initial, parent, stopAt) { - if (!parent) { - return false; + if (isLiteralPropertyName()) { + idToken = token(); + nextToken(); } - for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { - if (current === parent) { + if (token() === 20) { + return true; + } + if (idToken !== undefined) { + if (!ts.isKeyword(idToken) || idToken === 132 || idToken === 124) { return true; } + switch (token()) { + case 18: + case 26: + case 55: + case 57: + case 54: + return true; + default: + return canParseSemicolon(); + } } return false; } - function getAnyImportSyntax(node) { - if (ts.isAliasSymbolDeclaration(node)) { - if (node.kind === 230) { - return node; + function parseDecorators() { + var decorators; + while (true) { + var decoratorStart = getNodePos(); + if (!parseOptional(56)) { + break; } - while (node && node.kind !== 231) { - node = node.parent; + var decorator = createNode(144, decoratorStart); + decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); + finishNode(decorator); + if (!decorators) { + decorators = createNodeArray([decorator], decoratorStart); + } + else { + decorators.push(decorator); } - return node; } - } - function getDeclarationOfAliasSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); - } - function getTargetOfImportEqualsDeclaration(node) { - if (node.moduleReference.kind === 241) { - return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + if (decorators) { + decorators.end = getNodeEnd(); } - return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference); + return decorators; } - function getTargetOfImportClause(node) { - var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); - if (moduleSymbol) { - var exportDefaultSymbol = ts.isShorthandAmbientModuleSymbol(moduleSymbol) ? - moduleSymbol : - moduleSymbol.exports["export="] ? - getPropertyOfType(getTypeOfSymbol(moduleSymbol.exports["export="]), "default") : - resolveSymbol(moduleSymbol.exports["default"]); - if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { - error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); + function parseModifiers(permitInvalidConstAsModifier) { + var modifiers; + while (true) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token(); + if (token() === 75 && permitInvalidConstAsModifier) { + if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { + break; + } } - else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { - return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + else { + if (!parseAnyContextualModifier()) { + break; + } + } + var modifier = finishNode(createNode(modifierKind, modifierStart)); + if (!modifiers) { + modifiers = createNodeArray([modifier], modifierStart); + } + else { + modifiers.push(modifier); } - return exportDefaultSymbol; } - } - function getTargetOfNamespaceImport(node) { - var moduleSpecifier = node.parent.parent.moduleSpecifier; - return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); - } - function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { - if (valueSymbol.flags & (793064 | 1920)) { - return valueSymbol; + if (modifiers) { + modifiers.end = scanner.getStartPos(); } - var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); - result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); - result.parent = valueSymbol.parent || typeSymbol.parent; - if (valueSymbol.valueDeclaration) - result.valueDeclaration = valueSymbol.valueDeclaration; - if (typeSymbol.members) - result.members = typeSymbol.members; - if (valueSymbol.exports) - result.exports = valueSymbol.exports; - return result; + return modifiers; } - function getExportOfModule(symbol, name) { - if (symbol.flags & 1536) { - var exportedSymbol = getExportsOfSymbol(symbol)[name]; - if (exportedSymbol) { - return resolveSymbol(exportedSymbol); - } + function parseModifiersForArrowFunction() { + var modifiers; + if (token() === 119) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token(); + nextToken(); + var modifier = finishNode(createNode(modifierKind, modifierStart)); + modifiers = createNodeArray([modifier], modifierStart); + modifiers.end = scanner.getStartPos(); } + return modifiers; } - function getPropertyOfVariable(symbol, name) { - if (symbol.flags & 3) { - var typeAnnotation = symbol.valueDeclaration.type; - if (typeAnnotation) { - return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); - } + function parseClassElement() { + if (token() === 24) { + var result = createNode(199); + nextToken(); + return finishNode(result); } - } - function getExternalModuleMember(node, specifier) { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); - if (targetSymbol) { - var name_13 = specifier.propertyName || specifier.name; - if (name_13.text) { - if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { - return moduleSymbol; - } - var symbolFromVariable = void 0; - if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports["export="]) { - symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name_13.text); - } - else { - symbolFromVariable = getPropertyOfVariable(targetSymbol, name_13.text); - } - symbolFromVariable = resolveSymbol(symbolFromVariable); - var symbolFromModule = getExportOfModule(targetSymbol, name_13.text); - if (!symbolFromModule && allowSyntheticDefaultImports && name_13.text === "default") { - symbolFromModule = resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); - } - var symbol = symbolFromModule && symbolFromVariable ? - combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : - symbolFromModule || symbolFromVariable; - if (!symbol) { - error(name_13, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_13)); - } - return symbol; - } + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(true); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; } + if (token() === 122) { + return parseConstructorDeclaration(fullStart, decorators, modifiers); + } + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); + } + if (ts.tokenIsIdentifierOrKeyword(token()) || + token() === 9 || + token() === 8 || + token() === 38 || + token() === 20) { + return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); + } + if (decorators || modifiers) { + var name_13 = createMissingNode(70, true, ts.Diagnostics.Declaration_expected); + return parsePropertyDeclaration(fullStart, decorators, modifiers, name_13, undefined); + } + ts.Debug.fail("Should not have attempted to parse class member declaration."); } - function getTargetOfImportSpecifier(node) { - return getExternalModuleMember(node.parent.parent.parent, node); - } - function getTargetOfNamespaceExportDeclaration(node) { - return resolveExternalModuleSymbol(node.parent.symbol); - } - function getTargetOfExportSpecifier(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920); + function parseClassExpression() { + return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 193); } - function getTargetOfExportAssignment(node) { - return resolveEntityName(node.expression, 107455 | 793064 | 1920); + function parseClassDeclaration(fullStart, decorators, modifiers) { + return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 222); } - function getTargetOfAliasDeclaration(node) { - switch (node.kind) { - case 230: - return getTargetOfImportEqualsDeclaration(node); - case 232: - return getTargetOfImportClause(node); - case 233: - return getTargetOfNamespaceImport(node); - case 235: - return getTargetOfImportSpecifier(node); - case 239: - return getTargetOfExportSpecifier(node); - case 236: - return getTargetOfExportAssignment(node); - case 229: - return getTargetOfNamespaceExportDeclaration(node); + function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(74); + node.name = parseNameOfClassDeclarationOrExpression(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(); + if (parseExpected(16)) { + node.members = parseClassMembers(); + parseExpected(17); } + else { + node.members = createMissingList(); + } + return addJSDocComment(finishNode(node)); } - function resolveSymbol(symbol) { - return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793064 | 1920)) ? resolveAlias(symbol) : symbol; + function parseNameOfClassDeclarationOrExpression() { + return isIdentifier() && !isImplementsClause() + ? parseIdentifier() + : undefined; } - function resolveAlias(symbol) { - ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); - var links = getSymbolLinks(symbol); - if (!links.target) { - links.target = resolvingSymbol; - var node = getDeclarationOfAliasSymbol(symbol); - ts.Debug.assert(!!node); - var target = getTargetOfAliasDeclaration(node); - if (links.target === resolvingSymbol) { - links.target = target || unknownSymbol; - } - else { - error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); - } - } - else if (links.target === resolvingSymbol) { - links.target = unknownSymbol; - } - return links.target; + function isImplementsClause() { + return token() === 107 && lookAhead(nextTokenIsIdentifierOrKeyword); } - function markExportAsReferenced(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target) { - var markAlias = target === unknownSymbol || - ((target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); - if (markAlias) { - markAliasSymbolAsReferenced(symbol); - } + function parseHeritageClauses() { + if (isHeritageClause()) { + return parseList(20, parseHeritageClause); } + return undefined; } - function markAliasSymbolAsReferenced(symbol) { - var links = getSymbolLinks(symbol); - if (!links.referenced) { - links.referenced = true; - var node = getDeclarationOfAliasSymbol(symbol); - ts.Debug.assert(!!node); - if (node.kind === 236) { - checkExpressionCached(node.expression); - } - else if (node.kind === 239) { - checkExpressionCached(node.propertyName || node.name); - } - else if (ts.isInternalModuleImportEqualsDeclaration(node)) { - checkExpressionCached(node.moduleReference); - } + function parseHeritageClause() { + if (token() === 84 || token() === 107) { + var node = createNode(251); + node.token = token(); + nextToken(); + node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); + return finishNode(node); } + return undefined; } - function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, dontResolveAlias) { - if (entityName.kind === 70 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (entityName.kind === 70 || entityName.parent.kind === 140) { - return resolveEntityName(entityName, 1920, false, dontResolveAlias); - } - else { - ts.Debug.assert(entityName.parent.kind === 230); - return resolveEntityName(entityName, 107455 | 793064 | 1920, false, dontResolveAlias); + function parseExpressionWithTypeArguments() { + var node = createNode(195); + node.expression = parseLeftHandSideExpressionOrHigher(); + if (token() === 26) { + node.typeArguments = parseBracketedList(18, parseType, 26, 28); } + return finishNode(node); } - function getFullyQualifiedName(symbol) { - return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + function isHeritageClause() { + return token() === 84 || token() === 107; } - function resolveEntityName(name, meaning, ignoreErrors, dontResolveAlias, location) { - if (ts.nodeIsMissing(name)) { - return undefined; + function parseClassMembers() { + return parseList(5, parseClassElement); + } + function parseInterfaceDeclaration(fullStart, decorators, modifiers) { + var node = createNode(223, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(108); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(); + node.members = parseObjectTypeMembers(); + return addJSDocComment(finishNode(node)); + } + function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { + var node = createNode(224, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(135); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + parseExpected(57); + node.type = parseType(); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseEnumMember() { + var node = createNode(255, scanner.getStartPos()); + node.name = parsePropertyName(); + node.initializer = allowInAnd(parseNonParameterInitializer); + return addJSDocComment(finishNode(node)); + } + function parseEnumDeclaration(fullStart, decorators, modifiers) { + var node = createNode(225, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(82); + node.name = parseIdentifier(); + if (parseExpected(16)) { + node.members = parseDelimitedList(6, parseEnumMember); + parseExpected(17); } - var symbol; - if (name.kind === 70) { - var message = meaning === 1920 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; - symbol = resolveName(location || name, name.text, meaning, ignoreErrors ? undefined : message, name); - if (!symbol) { - return undefined; - } + else { + node.members = createMissingList(); } - else if (name.kind === 140 || name.kind === 173) { - var left = name.kind === 140 ? name.left : name.expression; - var right = name.kind === 140 ? name.right : name.name; - var namespace = resolveEntityName(left, 1920, ignoreErrors, false, location); - if (!namespace || ts.nodeIsMissing(right)) { - return undefined; - } - else if (namespace === unknownSymbol) { - return namespace; - } - symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); - if (!symbol) { - if (!ignoreErrors) { - error(right, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); - } - return undefined; - } + return addJSDocComment(finishNode(node)); + } + function parseModuleBlock() { + var node = createNode(227, scanner.getStartPos()); + if (parseExpected(16)) { + node.statements = parseList(1, parseStatement); + parseExpected(17); } else { - ts.Debug.fail("Unknown entity name kind."); + node.statements = createMissingList(); } - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - return (symbol.flags & meaning) || dontResolveAlias ? symbol : resolveAlias(symbol); - } - function resolveExternalModuleName(location, moduleReferenceExpression) { - return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + return finishNode(node); } - function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { - if (moduleReferenceExpression.kind !== 9) { - return; - } - var moduleReferenceLiteral = moduleReferenceExpression; - return resolveExternalModule(location, moduleReferenceLiteral.text, moduleNotFoundError, moduleReferenceLiteral); + function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { + var node = createNode(226, fullStart); + var namespaceFlag = flags & 16; + node.decorators = decorators; + node.modifiers = modifiers; + node.flags |= flags; + node.name = parseIdentifier(); + node.body = parseOptional(22) + ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 4 | namespaceFlag) + : parseModuleBlock(); + return addJSDocComment(finishNode(node)); } - function resolveExternalModule(location, moduleReference, moduleNotFoundError, errorNode) { - var moduleName = ts.escapeIdentifier(moduleReference); - if (moduleName === undefined) { - return; - } - var isRelative = ts.isExternalModuleNameRelative(moduleName); - if (!isRelative) { - var symbol = getSymbol(globals, '"' + moduleName + '"', 512); - if (symbol) { - return getMergedSymbol(symbol); - } + function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { + var node = createNode(226, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + if (token() === 138) { + node.name = parseIdentifier(); + node.flags |= 512; } - var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReference); - var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); - if (sourceFile) { - if (sourceFile.symbol) { - return getMergedSymbol(sourceFile.symbol); - } - if (moduleNotFoundError) { - error(errorNode, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); - } - return undefined; + else { + node.name = parseLiteralNode(true); } - if (patternAmbientModules) { - var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleName); - if (pattern) { - return getMergedSymbol(pattern.symbol); - } + if (token() === 16) { + node.body = parseModuleBlock(); } - if (moduleNotFoundError) { - var tsExtension = ts.tryExtractTypeScriptExtension(moduleName); - if (tsExtension) { - var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead; - error(errorNode, diag, tsExtension, ts.removeExtension(moduleName, tsExtension)); - } - else { - error(errorNode, moduleNotFoundError, moduleName); - } + else { + parseSemicolon(); } - return undefined; - } - function resolveExternalModuleSymbol(moduleSymbol) { - return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + return finishNode(node); } - function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { - var symbol = resolveExternalModuleSymbol(moduleSymbol); - if (symbol && !(symbol.flags & (1536 | 3))) { - error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); - symbol = undefined; + function parseModuleDeclaration(fullStart, decorators, modifiers) { + var flags = 0; + if (token() === 138) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); } - return symbol; + else if (parseOptional(127)) { + flags |= 16; + } + else { + parseExpected(126); + if (token() === 9) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + } + return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); } - function hasExportAssignmentSymbol(moduleSymbol) { - return moduleSymbol.exports["export="] !== undefined; + function isExternalModuleReference() { + return token() === 130 && + lookAhead(nextTokenIsOpenParen); } - function getExportsOfModuleAsArray(moduleSymbol) { - return symbolsToArray(getExportsOfModule(moduleSymbol)); + function nextTokenIsOpenParen() { + return nextToken() === 18; } - function getExportsOfSymbol(symbol) { - return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + function nextTokenIsSlash() { + return nextToken() === 40; } - function getExportsOfModule(moduleSymbol) { - var links = getSymbolLinks(moduleSymbol); - return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + function parseNamespaceExportDeclaration(fullStart, decorators, modifiers) { + var exportDeclaration = createNode(229, fullStart); + exportDeclaration.decorators = decorators; + exportDeclaration.modifiers = modifiers; + parseExpected(117); + parseExpected(127); + exportDeclaration.name = parseIdentifier(); + parseSemicolon(); + return finishNode(exportDeclaration); } - function extendExportSymbols(target, source, lookupTable, exportNode) { - for (var id in source) { - if (id !== "default" && !target[id]) { - target[id] = source[id]; - if (lookupTable && exportNode) { - lookupTable[id] = { - specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) - }; - } - } - else if (lookupTable && exportNode && id !== "default" && target[id] && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { - if (!lookupTable[id].exportsWithDuplicate) { - lookupTable[id].exportsWithDuplicate = [exportNode]; - } - else { - lookupTable[id].exportsWithDuplicate.push(exportNode); - } + function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { + parseExpected(90); + var afterImportPos = scanner.getStartPos(); + var identifier; + if (isIdentifier()) { + identifier = parseIdentifier(); + if (token() !== 25 && token() !== 137) { + var importEqualsDeclaration = createNode(230, fullStart); + importEqualsDeclaration.decorators = decorators; + importEqualsDeclaration.modifiers = modifiers; + importEqualsDeclaration.name = identifier; + parseExpected(57); + importEqualsDeclaration.moduleReference = parseModuleReference(); + parseSemicolon(); + return addJSDocComment(finishNode(importEqualsDeclaration)); } } - } - function getExportsForModule(moduleSymbol) { - var visitedSymbols = []; - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - return visit(moduleSymbol) || moduleSymbol.exports; - function visit(symbol) { - if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { - return; - } - visitedSymbols.push(symbol); - var symbols = ts.cloneMap(symbol.exports); - var exportStars = symbol.exports["__export"]; - if (exportStars) { - var nestedSymbols = ts.createMap(); - var lookupTable = ts.createMap(); - for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); - var exportedSymbols = visit(resolvedModule); - extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); - } - for (var id in lookupTable) { - var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; - if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || symbols[id]) { - continue; - } - for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { - var node = exportsWithDuplicate_1[_b]; - diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); - } - } - extendExportSymbols(symbols, nestedSymbols); - } - return symbols; + var importDeclaration = createNode(231, fullStart); + importDeclaration.decorators = decorators; + importDeclaration.modifiers = modifiers; + if (identifier || + token() === 38 || + token() === 16) { + importDeclaration.importClause = parseImportClause(identifier, afterImportPos); + parseExpected(137); } + importDeclaration.moduleSpecifier = parseModuleSpecifier(); + parseSemicolon(); + return finishNode(importDeclaration); } - function getMergedSymbol(symbol) { - var merged; - return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; - } - function getSymbolOfNode(node) { - return getMergedSymbol(node.symbol); + function parseImportClause(identifier, fullStart) { + var importClause = createNode(232, fullStart); + if (identifier) { + importClause.name = identifier; + } + if (!importClause.name || + parseOptional(25)) { + importClause.namedBindings = token() === 38 ? parseNamespaceImport() : parseNamedImportsOrExports(234); + } + return finishNode(importClause); } - function getParentOfSymbol(symbol) { - return getMergedSymbol(symbol.parent); + function parseModuleReference() { + return isExternalModuleReference() + ? parseExternalModuleReference() + : parseEntityName(false); } - function getExportSymbolOfValueSymbolIfExported(symbol) { - return symbol && (symbol.flags & 1048576) !== 0 - ? getMergedSymbol(symbol.exportSymbol) - : symbol; + function parseExternalModuleReference() { + var node = createNode(241); + parseExpected(130); + parseExpected(18); + node.expression = parseModuleSpecifier(); + parseExpected(19); + return finishNode(node); } - function symbolIsValue(symbol) { - if (symbol.flags & 16777216) { - return symbolIsValue(getSymbolLinks(symbol).target); - } - if (symbol.flags & 107455) { - return true; - } - if (symbol.flags & 8388608) { - return (resolveAlias(symbol).flags & 107455) !== 0; + function parseModuleSpecifier() { + if (token() === 9) { + var result = parseLiteralNode(); + internIdentifier(result.text); + return result; } - return false; - } - function findConstructorDeclaration(node) { - var members = node.members; - for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { - var member = members_1[_i]; - if (member.kind === 149 && ts.nodeIsPresent(member.body)) { - return member; - } + else { + return parseExpression(); } } - function createType(flags) { - var result = new Type(checker, flags); - typeCount++; - result.id = typeCount; - return result; + function parseNamespaceImport() { + var namespaceImport = createNode(233); + parseExpected(38); + parseExpected(117); + namespaceImport.name = parseIdentifier(); + return finishNode(namespaceImport); } - function createIntrinsicType(kind, intrinsicName) { - var type = createType(kind); - type.intrinsicName = intrinsicName; - return type; + function parseNamedImportsOrExports(kind) { + var node = createNode(kind); + node.elements = parseBracketedList(21, kind === 234 ? parseImportSpecifier : parseExportSpecifier, 16, 17); + return finishNode(node); } - function createBooleanType(trueFalseTypes) { - var type = getUnionType(trueFalseTypes); - type.flags |= 8; - type.intrinsicName = "boolean"; - return type; + function parseExportSpecifier() { + return parseImportOrExportSpecifier(239); } - function createObjectType(kind, symbol) { - var type = createType(kind); - type.symbol = symbol; - return type; + function parseImportSpecifier() { + return parseImportOrExportSpecifier(235); } - function isReservedMemberName(name) { - return name.charCodeAt(0) === 95 && - name.charCodeAt(1) === 95 && - name.charCodeAt(2) !== 95 && - name.charCodeAt(2) !== 64; + function parseImportOrExportSpecifier(kind) { + var node = createNode(kind); + var checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); + var checkIdentifierStart = scanner.getTokenPos(); + var checkIdentifierEnd = scanner.getTextPos(); + var identifierName = parseIdentifierName(); + if (token() === 117) { + node.propertyName = identifierName; + parseExpected(117); + checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); + checkIdentifierStart = scanner.getTokenPos(); + checkIdentifierEnd = scanner.getTextPos(); + node.name = parseIdentifierName(); + } + else { + node.name = identifierName; + } + if (kind === 235 && checkIdentifierIsKeyword) { + parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); + } + return finishNode(node); } - function getNamedMembers(members) { - var result; - for (var id in members) { - if (!isReservedMemberName(id)) { - if (!result) - result = []; - var symbol = members[id]; - if (symbolIsValue(symbol)) { - result.push(symbol); - } + function parseExportDeclaration(fullStart, decorators, modifiers) { + var node = createNode(237, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + if (parseOptional(38)) { + parseExpected(137); + node.moduleSpecifier = parseModuleSpecifier(); + } + else { + node.exportClause = parseNamedImportsOrExports(238); + if (token() === 137 || (token() === 9 && !scanner.hasPrecedingLineBreak())) { + parseExpected(137); + node.moduleSpecifier = parseModuleSpecifier(); } } - return result || emptyArray; - } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { - type.members = members; - type.properties = getNamedMembers(members); - type.callSignatures = callSignatures; - type.constructSignatures = constructSignatures; - if (stringIndexInfo) - type.stringIndexInfo = stringIndexInfo; - if (numberIndexInfo) - type.numberIndexInfo = numberIndexInfo; - return type; + parseSemicolon(); + return finishNode(node); } - function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { - return setObjectTypeMembers(createObjectType(2097152, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + function parseExportAssignment(fullStart, decorators, modifiers) { + var node = createNode(236, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + if (parseOptional(57)) { + node.isExportEquals = true; + } + else { + parseExpected(78); + } + node.expression = parseAssignmentExpressionOrHigher(); + parseSemicolon(); + return finishNode(node); } - function forEachSymbolTableInScope(enclosingDeclaration, callback) { - var result; - for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { - if (location_1.locals && !isGlobalSourceFile(location_1)) { - if (result = callback(location_1.locals)) { - return result; + function processReferenceComments(sourceFile) { + var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); + var referencedFiles = []; + var typeReferenceDirectives = []; + var amdDependencies = []; + var amdModuleName; + while (true) { + var kind = triviaScanner.scan(); + if (kind !== 2) { + if (ts.isTrivia(kind)) { + continue; + } + else { + break; } } - switch (location_1.kind) { - case 256: - if (!ts.isExternalOrCommonJsModule(location_1)) { - break; + var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; + var comment = sourceText.substring(range.pos, range.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); + if (referencePathMatchResult) { + var fileReference = referencePathMatchResult.fileReference; + sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var diagnosticMessage = referencePathMatchResult.diagnosticMessage; + if (fileReference) { + if (referencePathMatchResult.isTypeReferenceDirective) { + typeReferenceDirectives.push(fileReference); } - case 226: - if (result = callback(getSymbolOfNode(location_1).exports)) { - return result; + else { + referencedFiles.push(fileReference); } - break; - } - } - return callback(globals); - } - function getQualifiedLeftMeaning(rightMeaning) { - return rightMeaning === 107455 ? 107455 : 1920; - } - function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { - function getAccessibleSymbolChainFromSymbolTable(symbols) { - function canQualifySymbol(symbolFromSymbolTable, meaning) { - if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { - return true; } - var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); - return !!accessibleParent; - } - function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { - if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { - return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && - canQualifySymbol(symbolFromSymbolTable, meaning); + if (diagnosticMessage) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); } } - if (isAccessible(symbols[symbol.name])) { - return [symbol]; - } - return ts.forEachProperty(symbols, function (symbolFromSymbolTable) { - if (symbolFromSymbolTable.flags & 8388608 - && symbolFromSymbolTable.name !== "export=" - && !ts.getDeclarationOfKind(symbolFromSymbolTable, 239)) { - if (!useOnlyExternalAliasing || - ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { - var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); - if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { - return [symbolFromSymbolTable]; - } - var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; - if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { - return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); - } + else { + var amdModuleNameRegEx = /^\/\/\/\s*".length; + return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } } - var firstIdentifier = getFirstIdentifier(entityName); - var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); - return (symbol && hasVisibleDeclarations(symbol, true)) || { - accessibility: 1, - errorSymbolName: ts.getTextOfNode(firstIdentifier), - errorNode: firstIdentifier - }; - } - function writeKeyword(writer, kind) { - writer.writeKeyword(ts.tokenToString(kind)); - } - function writePunctuation(writer, kind) { - writer.writePunctuation(ts.tokenToString(kind)); - } - function writeSpace(writer) { - writer.writeSpace(" "); - } - function symbolToString(symbol, enclosingDeclaration, meaning) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function signatureToString(signature, enclosingDeclaration, flags, kind) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function typeToString(type, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; - if (maxLength && result.length >= maxLength) { - result = result.substr(0, maxLength - "...".length) + "..."; + function parseQualifiedName(left) { + var result = createNode(140, left.pos); + result.left = left; + result.right = parseIdentifierName(); + return finishNode(result); } - return result; - } - function typePredicateToString(typePredicate, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function formatUnionTypes(types) { - var result = []; - var flags = 0; - for (var i = 0; i < types.length; i++) { - var t = types[i]; - flags |= t.flags; - if (!(t.flags & 6144)) { - if (t.flags & (128 | 256)) { - var baseType = t.flags & 128 ? booleanType : t.baseType; - var count = baseType.types.length; - if (i + count <= types.length && types[i + count - 1] === baseType.types[count - 1]) { - result.push(baseType); - i += count - 1; - continue; - } - } - result.push(t); - } + function parseJSDocRecordType() { + var result = createNode(265); + result.literal = parseTypeLiteral(); + return finishNode(result); } - if (flags & 4096) - result.push(nullType); - if (flags & 2048) - result.push(undefinedType); - return result || types; - } - function visibilityToString(flags) { - if (flags === 8) { - return "private"; + function parseJSDocNonNullableType() { + var result = createNode(264); + nextToken(); + result.type = parseJSDocType(); + return finishNode(result); } - if (flags === 16) { - return "protected"; + function parseJSDocTupleType() { + var result = createNode(262); + nextToken(); + result.types = parseDelimitedList(25, parseJSDocType); + checkForTrailingComma(result.types); + parseExpected(21); + return finishNode(result); } - return "public"; - } - function getTypeAliasForTypeLiteral(type) { - if (type.symbol && type.symbol.flags & 2048) { - var node = type.symbol.declarations[0].parent; - while (node.kind === 165) { - node = node.parent; - } - if (node.kind === 224) { - return getSymbolOfNode(node); + function checkForTrailingComma(list) { + if (parseDiagnostics.length === 0 && list.hasTrailingComma) { + var start = list.end - ",".length; + parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); } } - return undefined; - } - function isTopLevelInExternalModuleAugmentation(node) { - return node && node.parent && - node.parent.kind === 227 && - ts.isExternalModuleAugmentation(node.parent.parent); - } - function literalTypeToString(type) { - return type.flags & 32 ? "\"" + ts.escapeString(type.text) + "\"" : type.text; - } - function getSymbolDisplayBuilder() { - function getNameOfSymbol(symbol) { - if (symbol.declarations && symbol.declarations.length) { - var declaration = symbol.declarations[0]; - if (declaration.name) { - return ts.declarationNameToString(declaration.name); - } - switch (declaration.kind) { - case 193: - return "(Anonymous class)"; - case 180: - case 181: - return "(Anonymous function)"; - } + function parseJSDocUnionType() { + var result = createNode(261); + nextToken(); + result.types = parseJSDocTypeList(parseJSDocType()); + parseExpected(19); + return finishNode(result); + } + function parseJSDocTypeList(firstType) { + ts.Debug.assert(!!firstType); + var types = createNodeArray([firstType], firstType.pos); + while (parseOptional(48)) { + types.push(parseJSDocType()); } - return symbol.name; + types.end = scanner.getStartPos(); + return types; } - function appendSymbolNameOnly(symbol, writer) { - writer.writeSymbol(getNameOfSymbol(symbol), symbol); + function parseJSDocAllType() { + var result = createNode(258); + nextToken(); + return finishNode(result); } - function appendPropertyOrElementAccessForSymbol(symbol, writer) { - var symbolName = getNameOfSymbol(symbol); - var firstChar = symbolName.charCodeAt(0); - var needsElementAccess = !ts.isIdentifierStart(firstChar, languageVersion); - if (needsElementAccess) { - writePunctuation(writer, 20); - if (ts.isSingleOrDoubleQuote(firstChar)) { - writer.writeStringLiteral(symbolName); - } - else { - writer.writeSymbol(symbolName, symbol); - } - writePunctuation(writer, 21); + function parseJSDocLiteralType() { + var result = createNode(282); + result.literal = parseLiteralTypeNode(); + return finishNode(result); + } + function parseJSDocUnknownOrNullableType() { + var pos = scanner.getStartPos(); + nextToken(); + if (token() === 25 || + token() === 17 || + token() === 19 || + token() === 28 || + token() === 57 || + token() === 48) { + var result = createNode(259, pos); + return finishNode(result); } else { - writePunctuation(writer, 22); - writer.writeSymbol(symbolName, symbol); + var result = createNode(263, pos); + result.type = parseJSDocType(); + return finishNode(result); } } - function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { - var parentSymbol; - function appendParentTypeArgumentsAndSymbolName(symbol) { - if (parentSymbol) { - if (flags & 1) { - if (symbol.flags & 16777216) { - buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); - } - else { - buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); - } + function parseIsolatedJSDocComment(content, start, length) { + initializeState(content, 4, undefined, 1); + sourceFile = { languageVariant: 0, text: content }; + var jsDoc = parseJSDocCommentWorker(start, length); + var diagnostics = parseDiagnostics; + clearState(); + return jsDoc ? { jsDoc: jsDoc, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocComment(parent, start, length) { + var saveToken = currentToken; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var comment = parseJSDocCommentWorker(start, length); + if (comment) { + comment.parent = parent; + } + currentToken = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + return comment; + } + JSDocParser.parseJSDocComment = parseJSDocComment; + function parseJSDocCommentWorker(start, length) { + var content = sourceText; + start = start || 0; + var end = length === undefined ? content.length : start + length; + length = end - start; + ts.Debug.assert(start >= 0); + ts.Debug.assert(start <= end); + ts.Debug.assert(end <= content.length); + var tags; + var comments = []; + var result; + if (!isJsDocStart(content, start)) { + return result; + } + scanner.scanRange(start + 3, length - 5, function () { + var advanceToken = true; + var state = 1; + var margin = undefined; + var indent = start - Math.max(content.lastIndexOf("\n", start), 0) + 4; + function pushComment(text) { + if (!margin) { + margin = indent; } - appendPropertyOrElementAccessForSymbol(symbol, writer); + comments.push(text); + indent += text.length; } - else { - appendSymbolNameOnly(symbol, writer); + nextJSDocToken(); + while (token() === 5) { + nextJSDocToken(); } - parentSymbol = symbol; - } - writer.trackSymbol(symbol, enclosingDeclaration, meaning); - function walkSymbol(symbol, meaning, endOfChain) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); - if (!accessibleSymbolChain || - needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { - var parent_8 = getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol); - if (parent_8) { - walkSymbol(parent_8, getQualifiedLeftMeaning(meaning), false); - } + if (token() === 4) { + state = 0; + nextJSDocToken(); } - if (accessibleSymbolChain) { - for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { - var accessibleSymbol = accessibleSymbolChain_1[_i]; - appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + while (token() !== 1) { + switch (token()) { + case 56: + if (state === 0 || state === 1) { + removeTrailingNewlines(comments); + parseTag(indent); + state = 0; + advanceToken = false; + margin = undefined; + indent++; + } + else { + pushComment(scanner.getTokenText()); + } + break; + case 4: + comments.push(scanner.getTokenText()); + state = 0; + indent = 0; + break; + case 38: + var asterisk = scanner.getTokenText(); + if (state === 1) { + state = 2; + pushComment(asterisk); + } + else { + state = 1; + indent += asterisk.length; + } + break; + case 70: + pushComment(scanner.getTokenText()); + state = 2; + break; + case 5: + var whitespace = scanner.getTokenText(); + if (state === 2 || margin !== undefined && indent + whitespace.length > margin) { + comments.push(whitespace.slice(margin - indent - 1)); + } + indent += whitespace.length; + break; + case 1: + break; + default: + pushComment(scanner.getTokenText()); + break; + } + if (advanceToken) { + nextJSDocToken(); + } + else { + advanceToken = true; } } - else if (endOfChain || - !(!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) && - !(symbol.flags & (2048 | 4096))) { - appendParentTypeArgumentsAndSymbolName(symbol); + removeLeadingNewlines(comments); + removeTrailingNewlines(comments); + result = createJSDocComment(); + }); + return result; + function removeLeadingNewlines(comments) { + while (comments.length && (comments[0] === "\n" || comments[0] === "\r")) { + comments.shift(); } } - var isTypeParameter = symbol.flags & 262144; - var typeFormatFlag = 128 & typeFlags; - if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { - walkSymbol(symbol, meaning, true); + function removeTrailingNewlines(comments) { + while (comments.length && (comments[comments.length - 1] === "\n" || comments[comments.length - 1] === "\r")) { + comments.pop(); + } } - else { - appendParentTypeArgumentsAndSymbolName(symbol); + function isJsDocStart(content, start) { + return content.charCodeAt(start) === 47 && + content.charCodeAt(start + 1) === 42 && + content.charCodeAt(start + 2) === 42 && + content.charCodeAt(start + 3) !== 42; } - } - function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { - var globalFlagsToPass = globalFlags & 16; - var inObjectTypeLiteral = false; - return writeType(type, globalFlags); - function writeType(type, flags) { - var nextFlags = flags & ~512; - if (type.flags & 16015) { - writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) - ? "any" - : type.intrinsicName); - } - else if (type.flags & 16384 && type.isThisType) { - if (inObjectTypeLiteral) { - writer.reportInaccessibleThisError(); - } - writer.writeKeyword("this"); - } - else if (type.flags & 131072) { - writeTypeReference(type, nextFlags); - } - else if (type.flags & 256) { - buildSymbolDisplay(getParentOfSymbol(type.symbol), writer, enclosingDeclaration, 793064, 0, nextFlags); - writePunctuation(writer, 22); - appendSymbolNameOnly(type.symbol, writer); - } - else if (type.flags & (32768 | 65536 | 16 | 16384)) { - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); - } - else if (!(flags & 512) && ((type.flags & 2097152 && !type.target) || type.flags & 1572864) && type.aliasSymbol && - isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { - var typeArguments = type.aliasTypeArguments; - writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); - } - else if (type.flags & 1572864) { - writeUnionOrIntersectionType(type, nextFlags); + function createJSDocComment() { + var result = createNode(273, start); + result.tags = tags; + result.comment = comments.length ? comments.join("") : undefined; + return finishNode(result, end); + } + function skipWhitespace() { + while (token() === 5 || token() === 4) { + nextJSDocToken(); } - else if (type.flags & 2097152) { - writeAnonymousType(type, nextFlags); + } + function parseTag(indent) { + ts.Debug.assert(token() === 56); + var atToken = createNode(56, scanner.getTokenPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifierName(); + skipWhitespace(); + if (!tagName) { + return; } - else if (type.flags & 96) { - writer.writeStringLiteral(literalTypeToString(type)); + var tag; + if (tagName) { + switch (tagName.text) { + case "param": + tag = parseParamTag(atToken, tagName); + break; + case "return": + case "returns": + tag = parseReturnTag(atToken, tagName); + break; + case "template": + tag = parseTemplateTag(atToken, tagName); + break; + case "type": + tag = parseTypeTag(atToken, tagName); + break; + case "typedef": + tag = parseTypedefTag(atToken, tagName); + break; + default: + tag = parseUnknownTag(atToken, tagName); + break; + } } else { - writePunctuation(writer, 16); - writeSpace(writer); - writePunctuation(writer, 23); - writeSpace(writer); - writePunctuation(writer, 17); + tag = parseUnknownTag(atToken, tagName); } - } - function writeTypeList(types, delimiter) { - for (var i = 0; i < types.length; i++) { - if (i > 0) { - if (delimiter !== 25) { - writeSpace(writer); - } - writePunctuation(writer, delimiter); - writeSpace(writer); - } - writeType(types[i], delimiter === 25 ? 0 : 64); + if (!tag) { + return; } + addTag(tag, parseTagComments(indent + tag.end - tag.pos)); } - function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { - if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { - buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793064, 0, flags); - } - if (pos < end) { - writePunctuation(writer, 26); - writeType(typeArguments[pos], 256); - pos++; - while (pos < end) { - writePunctuation(writer, 25); - writeSpace(writer); - writeType(typeArguments[pos], 0); - pos++; + function parseTagComments(indent) { + var comments = []; + var state = 1; + var margin; + function pushComment(text) { + if (!margin) { + margin = indent; } - writePunctuation(writer, 28); - } - } - function writeTypeReference(type, flags) { - var typeArguments = type.typeArguments || emptyArray; - if (type.target === globalArrayType && !(flags & 1)) { - writeType(typeArguments[0], 64); - writePunctuation(writer, 20); - writePunctuation(writer, 21); - } - else if (type.target.flags & 262144) { - writePunctuation(writer, 20); - writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 25); - writePunctuation(writer, 21); + comments.push(text); + indent += text.length; } - else { - var outerTypeParameters = type.target.outerTypeParameters; - var i = 0; - if (outerTypeParameters) { - var length_1 = outerTypeParameters.length; - while (i < length_1) { - var start = i; - var parent_9 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); - do { - i++; - } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_9); - if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { - writeSymbolTypeReference(parent_9, typeArguments, start, i, flags); - writePunctuation(writer, 22); + while (token() !== 56 && token() !== 1) { + switch (token()) { + case 4: + if (state >= 1) { + state = 0; + comments.push(scanner.getTokenText()); } - } + indent = 0; + break; + case 56: + break; + case 5: + if (state === 2) { + pushComment(scanner.getTokenText()); + } + else { + var whitespace = scanner.getTokenText(); + if (margin !== undefined && indent + whitespace.length > margin) { + comments.push(whitespace.slice(margin - indent - 1)); + } + indent += whitespace.length; + } + break; + case 38: + if (state === 0) { + state = 1; + indent += scanner.getTokenText().length; + break; + } + default: + state = 2; + pushComment(scanner.getTokenText()); + break; } - var typeParameterCount = (type.target.typeParameters || emptyArray).length; - writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + if (token() === 56) { + break; + } + nextJSDocToken(); } + removeLeadingNewlines(comments); + removeTrailingNewlines(comments); + return comments; } - function writeUnionOrIntersectionType(type, flags) { - if (flags & 64) { - writePunctuation(writer, 18); - } - if (type.flags & 524288) { - writeTypeList(formatUnionTypes(type.types), 48); + function parseUnknownTag(atToken, tagName) { + var result = createNode(274, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + return finishNode(result); + } + function addTag(tag, comments) { + tag.comment = comments.join(""); + if (!tags) { + tags = createNodeArray([tag], tag.pos); } else { - writeTypeList(type.types, 47); - } - if (flags & 64) { - writePunctuation(writer, 19); + tags.push(tag); } + tags.end = tag.end; } - function writeAnonymousType(type, flags) { - var symbol = type.symbol; - if (symbol) { - if (symbol.flags & (32 | 384 | 512)) { - writeTypeOfSymbol(type, flags); - } - else if (shouldWriteTypeOfFunctionSymbol()) { - writeTypeOfSymbol(type, flags); - } - else if (ts.contains(symbolStack, symbol)) { - var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { - buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags); - } - else { - writeKeyword(writer, 118); - } + function tryParseTypeExpression() { + return tryParse(function () { + skipWhitespace(); + if (token() !== 16) { + return undefined; } - else { - if (!symbolStack) { - symbolStack = []; - } - symbolStack.push(symbol); - writeLiteralType(type, flags); - symbolStack.pop(); + return parseJSDocTypeExpression(); + }); + } + function parseParamTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name; + var isBracketed; + if (parseOptionalToken(20)) { + name = parseJSDocIdentifierName(); + skipWhitespace(); + isBracketed = true; + if (parseOptionalToken(57)) { + parseExpression(); } + parseExpected(21); + } + else if (ts.tokenIsIdentifierOrKeyword(token())) { + name = parseJSDocIdentifierName(); + } + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var preName, postName; + if (typeExpression) { + postName = name; } else { - writeLiteralType(type, flags); + preName = name; } - function shouldWriteTypeOfFunctionSymbol() { - var isStaticMethodSymbol = !!(symbol.flags & 8192 && - ts.forEach(symbol.declarations, function (declaration) { return ts.getModifierFlags(declaration) & 32; })); - var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && - (symbol.parent || - ts.forEach(symbol.declarations, function (declaration) { - return declaration.parent.kind === 256 || declaration.parent.kind === 227; - })); - if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { - return !!(flags & 2) || - (ts.contains(symbolStack, symbol)); - } + if (!typeExpression) { + typeExpression = tryParseTypeExpression(); } + var result = createNode(275, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.preParameterName = preName; + result.typeExpression = typeExpression; + result.postParameterName = postName; + result.parameterName = postName || preName; + result.isBracketed = isBracketed; + return finishNode(result); } - function writeTypeOfSymbol(type, typeFormatFlags) { - writeKeyword(writer, 102); - writeSpace(writer); - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); - } - function writeIndexSignature(info, keyword) { - if (info) { - if (info.isReadonly) { - writeKeyword(writer, 129); - writeSpace(writer); - } - writePunctuation(writer, 20); - writer.writeParameter(info.declaration ? ts.declarationNameToString(info.declaration.parameters[0].name) : "x"); - writePunctuation(writer, 55); - writeSpace(writer); - writeKeyword(writer, keyword); - writePunctuation(writer, 21); - writePunctuation(writer, 55); - writeSpace(writer); - writeType(info.type, 0); - writePunctuation(writer, 24); - writer.writeLine(); + function parseReturnTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 276; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } + var result = createNode(276, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); } - function writePropertyWithModifiers(prop) { - if (isReadonlySymbol(prop)) { - writeKeyword(writer, 129); - writeSpace(writer); - } - buildSymbolDisplay(prop, writer); - if (prop.flags & 536870912) { - writePunctuation(writer, 54); + function parseTypeTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 277; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } + var result = createNode(277, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); } - function shouldAddParenthesisAroundFunctionType(callSignature, flags) { - if (flags & 64) { - return true; - } - else if (flags & 256) { - var typeParameters = callSignature.target && (flags & 32) ? - callSignature.target.typeParameters : callSignature.typeParameters; - return typeParameters && typeParameters.length !== 0; + function parsePropertyTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name = parseJSDocIdentifierName(); + skipWhitespace(); + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; } - return false; + var result = createNode(280, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.name = name; + result.typeExpression = typeExpression; + return finishNode(result); } - function writeLiteralType(type, flags) { - var resolved = resolveStructuredTypeMembers(type); - if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { - if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { - writePunctuation(writer, 16); - writePunctuation(writer, 17); - return; + function parseTypedefTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var typedefTag = createNode(279, atToken.pos); + typedefTag.atToken = atToken; + typedefTag.tagName = tagName; + typedefTag.fullName = parseJSDocTypeNameWithNamespace(0); + if (typedefTag.fullName) { + var rightNode = typedefTag.fullName; + while (rightNode.kind !== 70) { + rightNode = rightNode.body; } - if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { - var parenthesizeSignature = shouldAddParenthesisAroundFunctionType(resolved.callSignatures[0], flags); - if (parenthesizeSignature) { - writePunctuation(writer, 18); - } - buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (parenthesizeSignature) { - writePunctuation(writer, 19); + typedefTag.name = rightNode; + } + typedefTag.typeExpression = typeExpression; + skipWhitespace(); + if (typeExpression) { + if (typeExpression.type.kind === 267) { + var jsDocTypeReference = typeExpression.type; + if (jsDocTypeReference.name.kind === 70) { + var name_14 = jsDocTypeReference.name; + if (name_14.text === "Object") { + typedefTag.jsDocTypeLiteral = scanChildTags(); + } } - return; } - if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { - if (flags & 64) { - writePunctuation(writer, 18); - } - writeKeyword(writer, 93); - writeSpace(writer); - buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (flags & 64) { - writePunctuation(writer, 19); - } - return; + if (!typedefTag.jsDocTypeLiteral) { + typedefTag.jsDocTypeLiteral = typeExpression.type; } } - var saveInObjectTypeLiteral = inObjectTypeLiteral; - inObjectTypeLiteral = true; - writePunctuation(writer, 16); - writer.writeLine(); - writer.increaseIndent(); - for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { - var signature = _a[_i]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 24); - writer.writeLine(); + else { + typedefTag.jsDocTypeLiteral = scanChildTags(); } - for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { - var signature = _c[_b]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); - writePunctuation(writer, 24); - writer.writeLine(); + return finishNode(typedefTag); + function scanChildTags() { + var jsDocTypeLiteral = createNode(281, scanner.getStartPos()); + var resumePos = scanner.getStartPos(); + var canParseTag = true; + var seenAsterisk = false; + var parentTagTerminated = false; + while (token() !== 1 && !parentTagTerminated) { + nextJSDocToken(); + switch (token()) { + case 56: + if (canParseTag) { + parentTagTerminated = !tryParseChildTag(jsDocTypeLiteral); + if (!parentTagTerminated) { + resumePos = scanner.getStartPos(); + } + } + seenAsterisk = false; + break; + case 4: + resumePos = scanner.getStartPos() - 1; + canParseTag = true; + seenAsterisk = false; + break; + case 38: + if (seenAsterisk) { + canParseTag = false; + } + seenAsterisk = true; + break; + case 70: + canParseTag = false; + case 1: + break; + } + } + scanner.setTextPos(resumePos); + return finishNode(jsDocTypeLiteral); } - writeIndexSignature(resolved.stringIndexInfo, 133); - writeIndexSignature(resolved.numberIndexInfo, 131); - for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { - var signatures = getSignaturesOfType(t, 0); - for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { - var signature = signatures_1[_f]; - writePropertyWithModifiers(p); - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 24); - writer.writeLine(); + function parseJSDocTypeNameWithNamespace(flags) { + var pos = scanner.getTokenPos(); + var typeNameOrNamespaceName = parseJSDocIdentifierName(); + if (typeNameOrNamespaceName && parseOptional(22)) { + var jsDocNamespaceNode = createNode(226, pos); + jsDocNamespaceNode.flags |= flags; + jsDocNamespaceNode.name = typeNameOrNamespaceName; + jsDocNamespaceNode.body = parseJSDocTypeNameWithNamespace(4); + return jsDocNamespaceNode; + } + if (typeNameOrNamespaceName && flags & 4) { + typeNameOrNamespaceName.isInJSDocNamespace = true; + } + return typeNameOrNamespaceName; + } + } + function tryParseChildTag(parentTag) { + ts.Debug.assert(token() === 56); + var atToken = createNode(56, scanner.getStartPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifierName(); + skipWhitespace(); + if (!tagName) { + return false; + } + switch (tagName.text) { + case "type": + if (parentTag.jsDocTypeTag) { + return false; + } + parentTag.jsDocTypeTag = parseTypeTag(atToken, tagName); + return true; + case "prop": + case "property": + var propertyTag = parsePropertyTag(atToken, tagName); + if (propertyTag) { + if (!parentTag.jsDocPropertyTags) { + parentTag.jsDocPropertyTags = []; + } + parentTag.jsDocPropertyTags.push(propertyTag); + return true; } + return false; + } + return false; + } + function parseTemplateTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 278; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var typeParameters = createNodeArray(); + while (true) { + var name_15 = parseJSDocIdentifierName(); + skipWhitespace(); + if (!name_15) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var typeParameter = createNode(142, name_15.pos); + typeParameter.name = name_15; + finishNode(typeParameter); + typeParameters.push(typeParameter); + if (token() === 25) { + nextJSDocToken(); + skipWhitespace(); } else { - writePropertyWithModifiers(p); - writePunctuation(writer, 55); - writeSpace(writer); - writeType(t, 0); - writePunctuation(writer, 24); - writer.writeLine(); + break; } } - writer.decreaseIndent(); - writePunctuation(writer, 17); - inObjectTypeLiteral = saveInObjectTypeLiteral; + var result = createNode(278, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeParameters = typeParameters; + finishNode(result); + typeParameters.end = result.end; + return result; } - } - function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { - var targetSymbol = getTargetSymbol(symbol); - if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { - buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + function nextJSDocToken() { + return currentToken = scanner.scanJSDocToken(); } - } - function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { - appendSymbolNameOnly(tp.symbol, writer); - var constraint = getConstraintOfTypeParameter(tp); - if (constraint) { - writeSpace(writer); - writeKeyword(writer, 84); - writeSpace(writer); - buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + function parseJSDocIdentifierName() { + return createJSDocIdentifier(ts.tokenIsIdentifierOrKeyword(token())); + } + function createJSDocIdentifier(isIdentifier) { + if (!isIdentifier) { + parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); + return undefined; + } + var pos = scanner.getTokenPos(); + var end = scanner.getTextPos(); + var result = createNode(70, pos); + result.text = content.substring(pos, end); + finishNode(result, end); + nextJSDocToken(); + return result; } } - function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { - var parameterNode = p.valueDeclaration; - if (ts.isRestParameter(parameterNode)) { - writePunctuation(writer, 23); + JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; + })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); + })(Parser || (Parser = {})); + var IncrementalParser; + (function (IncrementalParser) { + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); + checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); + if (ts.textChangeRangeIsUnchanged(textChangeRange)) { + return sourceFile; + } + if (sourceFile.statements.length === 0) { + return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true, sourceFile.scriptKind); + } + var incrementalSourceFile = sourceFile; + ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); + incrementalSourceFile.hasBeenIncrementallyParsed = true; + var oldText = sourceFile.text; + var syntaxCursor = createSyntaxCursor(sourceFile); + var changeRange = extendToAffectedRange(sourceFile, textChangeRange); + checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); + ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); + ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); + ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); + var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; + updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); + var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true, sourceFile.scriptKind); + return result; + } + IncrementalParser.updateSourceFile = updateSourceFile; + function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { + if (isArray) { + visitArray(element); + } + else { + visitNode(element); + } + return; + function visitNode(node) { + var text = ""; + if (aggressiveChecks && shouldCheckNode(node)) { + text = oldText.substring(node.pos, node.end); } - if (ts.isBindingPattern(parameterNode.name)) { - buildBindingPatternDisplay(parameterNode.name, writer, enclosingDeclaration, flags, symbolStack); + if (node._children) { + node._children = undefined; } - else { - appendSymbolNameOnly(p, writer); + node.pos += delta; + node.end += delta; + if (aggressiveChecks && shouldCheckNode(node)) { + ts.Debug.assert(text === newText.substring(node.pos, node.end)); } - if (isOptionalParameter(parameterNode)) { - writePunctuation(writer, 54); + forEachChild(node, visitNode, visitArray); + if (node.jsDocComments) { + for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + forEachChild(jsDocComment, visitNode, visitArray); + } } - writePunctuation(writer, 55); - writeSpace(writer); - buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); + checkNodePositions(node, aggressiveChecks); } - function buildBindingPatternDisplay(bindingPattern, writer, enclosingDeclaration, flags, symbolStack) { - if (bindingPattern.kind === 168) { - writePunctuation(writer, 16); - buildDisplayForCommaSeparatedList(bindingPattern.elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); - writePunctuation(writer, 17); - } - else if (bindingPattern.kind === 169) { - writePunctuation(writer, 20); - var elements = bindingPattern.elements; - buildDisplayForCommaSeparatedList(elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); - if (elements && elements.hasTrailingComma) { - writePunctuation(writer, 25); - } - writePunctuation(writer, 21); + function visitArray(array) { + array._children = undefined; + array.pos += delta; + array.end += delta; + for (var _i = 0, array_9 = array; _i < array_9.length; _i++) { + var node = array_9[_i]; + visitNode(node); } } - function buildBindingElementDisplay(bindingElement, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isOmittedExpression(bindingElement)) { + } + function shouldCheckNode(node) { + switch (node.kind) { + case 9: + case 8: + case 70: + return true; + } + return false; + } + function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { + ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); + ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); + ts.Debug.assert(element.pos <= element.end); + element.pos = Math.min(element.pos, changeRangeNewEnd); + if (element.end >= changeRangeOldEnd) { + element.end += delta; + } + else { + element.end = Math.min(element.end, changeRangeNewEnd); + } + ts.Debug.assert(element.pos <= element.end); + if (element.parent) { + ts.Debug.assert(element.pos >= element.parent.pos); + ts.Debug.assert(element.end <= element.parent.end); + } + } + function checkNodePositions(node, aggressiveChecks) { + if (aggressiveChecks) { + var pos_2 = node.pos; + forEachChild(node, function (child) { + ts.Debug.assert(child.pos >= pos_2); + pos_2 = child.end; + }); + ts.Debug.assert(pos_2 <= node.end); + } + } + function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { + visitNode(sourceFile); + return; + function visitNode(child) { + ts.Debug.assert(child.pos <= child.end); + if (child.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); return; } - ts.Debug.assert(bindingElement.kind === 170); - if (bindingElement.propertyName) { - writer.writeSymbol(ts.getTextOfNode(bindingElement.propertyName), bindingElement.symbol); - writePunctuation(writer, 55); - writeSpace(writer); + var fullEnd = child.end; + if (fullEnd >= changeStart) { + child.intersectsChange = true; + child._children = undefined; + adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + forEachChild(child, visitNode, visitArray); + checkNodePositions(child, aggressiveChecks); + return; } - if (ts.isBindingPattern(bindingElement.name)) { - buildBindingPatternDisplay(bindingElement.name, writer, enclosingDeclaration, flags, symbolStack); + ts.Debug.assert(fullEnd < changeStart); + } + function visitArray(array) { + ts.Debug.assert(array.pos <= array.end); + if (array.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); + return; } - else { - if (bindingElement.dotDotDotToken) { - writePunctuation(writer, 23); + var fullEnd = array.end; + if (fullEnd >= changeStart) { + array.intersectsChange = true; + array._children = undefined; + adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + for (var _i = 0, array_10 = array; _i < array_10.length; _i++) { + var node = array_10[_i]; + visitNode(node); } - appendSymbolNameOnly(bindingElement.symbol, writer); + return; } + ts.Debug.assert(fullEnd < changeStart); } - function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 26); - buildDisplayForCommaSeparatedList(typeParameters, writer, function (p) { return buildTypeParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack); }); - writePunctuation(writer, 28); - } + } + function extendToAffectedRange(sourceFile, changeRange) { + var maxLookahead = 1; + var start = changeRange.span.start; + for (var i = 0; start > 0 && i <= maxLookahead; i++) { + var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); + ts.Debug.assert(nearestNode.pos <= start); + var position = nearestNode.pos; + start = Math.max(0, position - 1); } - function buildDisplayForCommaSeparatedList(list, writer, action) { - for (var i = 0; i < list.length; i++) { - if (i > 0) { - writePunctuation(writer, 25); - writeSpace(writer); - } - action(list[i]); + var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); + var finalLength = changeRange.newLength + (changeRange.span.start - start); + return ts.createTextChangeRange(finalSpan, finalLength); + } + function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { + var bestResult = sourceFile; + var lastNodeEntirelyBeforePosition; + forEachChild(sourceFile, visit); + if (lastNodeEntirelyBeforePosition) { + var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); + if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { + bestResult = lastChildOfLastEntireNodeBeforePosition; } } - function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 26); - var flags = 256; - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 25); - writeSpace(writer); - flags = 0; - } - buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, flags); + return bestResult; + function getLastChild(node) { + while (true) { + var lastChild = getLastChildWorker(node); + if (lastChild) { + node = lastChild; } - writePunctuation(writer, 28); - } - } - function buildDisplayForParametersAndDelimiters(thisParameter, parameters, writer, enclosingDeclaration, flags, symbolStack) { - writePunctuation(writer, 18); - if (thisParameter) { - buildParameterDisplay(thisParameter, writer, enclosingDeclaration, flags, symbolStack); - } - for (var i = 0; i < parameters.length; i++) { - if (i > 0 || thisParameter) { - writePunctuation(writer, 25); - writeSpace(writer); + else { + return node; } - buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 19); - } - function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isIdentifierTypePredicate(predicate)) { - writer.writeParameter(predicate.parameterName); - } - else { - writeKeyword(writer, 98); } - writeSpace(writer); - writeKeyword(writer, 125); - writeSpace(writer); - buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); } - function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { - if (flags & 8) { - writeSpace(writer); - writePunctuation(writer, 35); - } - else { - writePunctuation(writer, 55); - } - writeSpace(writer); - if (signature.typePredicate) { - buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); - } - else { - var returnType = getReturnTypeOfSignature(signature); - buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); - } + function getLastChildWorker(node) { + var last = undefined; + forEachChild(node, function (child) { + if (ts.nodeIsPresent(child)) { + last = child; + } + }); + return last; } - function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { - if (kind === 1) { - writeKeyword(writer, 93); - writeSpace(writer); + function visit(child) { + if (ts.nodeIsMissing(child)) { + return; } - if (signature.target && (flags & 32)) { - buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + if (child.pos <= position) { + if (child.pos >= bestResult.pos) { + bestResult = child; + } + if (position < child.end) { + forEachChild(child, visit); + return true; + } + else { + ts.Debug.assert(child.end <= position); + lastNodeEntirelyBeforePosition = child; + } } else { - buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); + ts.Debug.assert(child.pos > position); + return true; } - buildDisplayForParametersAndDelimiters(signature.thisParameter, signature.parameters, writer, enclosingDeclaration, flags, symbolStack); - buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); } - return _displayBuilder || (_displayBuilder = { - buildSymbolDisplay: buildSymbolDisplay, - buildTypeDisplay: buildTypeDisplay, - buildTypeParameterDisplay: buildTypeParameterDisplay, - buildTypePredicateDisplay: buildTypePredicateDisplay, - buildParameterDisplay: buildParameterDisplay, - buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, - buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, - buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, - buildSignatureDisplay: buildSignatureDisplay, - buildReturnTypeDisplay: buildReturnTypeDisplay - }); } - function isDeclarationVisible(node) { - if (node) { - var links = getNodeLinks(node); - if (links.isVisible === undefined) { - links.isVisible = !!determineIfDeclarationIsVisible(); - } - return links.isVisible; - } - return false; - function determineIfDeclarationIsVisible() { - switch (node.kind) { - case 170: - return isDeclarationVisible(node.parent.parent); - case 219: - if (ts.isBindingPattern(node.name) && - !node.name.elements.length) { - return false; - } - case 226: - case 222: - case 223: - case 224: - case 221: - case 225: - case 230: - if (ts.isExternalModuleAugmentation(node)) { - return true; - } - var parent_10 = getDeclarationContainer(node); - if (!(ts.getCombinedModifierFlags(node) & 1) && - !(node.kind !== 230 && parent_10.kind !== 256 && ts.isInAmbientContext(parent_10))) { - return isGlobalSourceFile(parent_10); - } - return isDeclarationVisible(parent_10); - case 146: - case 145: - case 150: - case 151: - case 148: - case 147: - if (ts.getModifierFlags(node) & (8 | 16)) { - return false; - } - case 149: - case 153: - case 152: - case 154: - case 143: - case 227: - case 157: - case 158: - case 160: - case 156: - case 161: - case 162: - case 163: - case 164: - case 165: - return isDeclarationVisible(node.parent); - case 232: - case 233: - case 235: - return false; - case 142: - case 256: - case 229: - return true; - case 236: - return false; - default: - return false; + function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { + var oldText = sourceFile.text; + if (textChangeRange) { + ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); + if (aggressiveChecks || ts.Debug.shouldAssert(3)) { + var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); + var newTextPrefix = newText.substr(0, textChangeRange.span.start); + ts.Debug.assert(oldTextPrefix === newTextPrefix); + var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); + var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); + ts.Debug.assert(oldTextSuffix === newTextSuffix); } } } - function collectLinkedAliases(node) { - var exportSymbol; - if (node.parent && node.parent.kind === 236) { - exportSymbol = resolveName(node.parent, node.text, 107455 | 793064 | 1920 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); - } - else if (node.parent.kind === 239) { - var exportSpecifier = node.parent; - exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? - getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : - resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793064 | 1920 | 8388608); - } - var result = []; - if (exportSymbol) { - buildVisibleNodeList(exportSymbol.declarations); - } - return result; - function buildVisibleNodeList(declarations) { - ts.forEach(declarations, function (declaration) { - getNodeLinks(declaration).isVisible = true; - var resultNode = getAnyImportSyntax(declaration) || declaration; - if (!ts.contains(result, resultNode)) { - result.push(resultNode); - } - if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { - var internalModuleReference = declaration.moduleReference; - var firstIdentifier = getFirstIdentifier(internalModuleReference); - var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793064 | 1920, undefined, undefined); - if (importSymbol) { - buildVisibleNodeList(importSymbol.declarations); + function createSyntaxCursor(sourceFile) { + var currentArray = sourceFile.statements; + var currentArrayIndex = 0; + ts.Debug.assert(currentArrayIndex < currentArray.length); + var current = currentArray[currentArrayIndex]; + var lastQueriedPosition = -1; + return { + currentNode: function (position) { + if (position !== lastQueriedPosition) { + if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { + currentArrayIndex++; + current = currentArray[currentArrayIndex]; + } + if (!current || current.pos !== position) { + findHighestListElementThatStartsAtPosition(position); } } - }); - } - } - function pushTypeResolution(target, propertyName) { - var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); - if (resolutionCycleStartIndex >= 0) { - var length_2 = resolutionTargets.length; - for (var i = resolutionCycleStartIndex; i < length_2; i++) { - resolutionResults[i] = false; + lastQueriedPosition = position; + ts.Debug.assert(!current || current.pos === position); + return current; } - return false; - } - resolutionTargets.push(target); - resolutionResults.push(true); - resolutionPropertyNames.push(propertyName); - return true; - } - function findResolutionCycleStartIndex(target, propertyName) { - for (var i = resolutionTargets.length - 1; i >= 0; i--) { - if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { - return -1; + }; + function findHighestListElementThatStartsAtPosition(position) { + currentArray = undefined; + currentArrayIndex = -1; + current = undefined; + forEachChild(sourceFile, visitNode, visitArray); + return; + function visitNode(node) { + if (position >= node.pos && position < node.end) { + forEachChild(node, visitNode, visitArray); + return true; + } + return false; } - if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { - return i; + function visitArray(array) { + if (position >= array.pos && position < array.end) { + for (var i = 0, n = array.length; i < n; i++) { + var child = array[i]; + if (child) { + if (child.pos === position) { + currentArray = array; + currentArrayIndex = i; + current = child; + return true; + } + else { + if (child.pos < position && position < child.end) { + forEachChild(child, visitNode, visitArray); + return true; + } + } + } + } + } + return false; } } - return -1; } - function hasType(target, propertyName) { - if (propertyName === 0) { - return getSymbolLinks(target).type; - } - if (propertyName === 2) { - return getSymbolLinks(target).declaredType; - } - if (propertyName === 1) { - ts.Debug.assert(!!(target.flags & 32768)); - return target.resolvedBaseConstructorType; - } - if (propertyName === 3) { - return target.resolvedReturnType; - } - ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); + })(IncrementalParser || (IncrementalParser = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function getModuleInstanceState(node) { + if (node.kind === 223 || node.kind === 224) { + return 0; } - function popTypeResolution() { - resolutionTargets.pop(); - resolutionPropertyNames.pop(); - return resolutionResults.pop(); + else if (ts.isConstEnumDeclaration(node)) { + return 2; } - function getDeclarationContainer(node) { - node = ts.getRootDeclaration(node); - while (node) { - switch (node.kind) { - case 219: - case 220: - case 235: - case 234: - case 233: - case 232: - node = node.parent; - break; - default: - return node.parent; - } - } + else if ((node.kind === 231 || node.kind === 230) && !(ts.hasModifier(node, 1))) { + return 0; } - function getTypeOfPrototypeProperty(prototype) { - var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); - return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; + else if (node.kind === 227) { + var state_1 = 0; + ts.forEachChild(node, function (n) { + switch (getModuleInstanceState(n)) { + case 0: + return false; + case 2: + state_1 = 2; + return false; + case 1: + state_1 = 1; + return true; + } + }); + return state_1; } - function getTypeOfPropertyOfType(type, name) { - var prop = getPropertyOfType(type, name); - return prop ? getTypeOfSymbol(prop) : undefined; + else if (node.kind === 226) { + var body = node.body; + return body ? getModuleInstanceState(body) : 1; } - function isTypeAny(type) { - return type && (type.flags & 1) !== 0; + else if (node.kind === 70 && node.isInJSDocNamespace) { + return 0; } - function isTypeNever(type) { - return type && (type.flags & 8192) !== 0; + else { + return 1; } - function getTypeForBindingElementParent(node) { - var symbol = getSymbolOfNode(node); - return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node, false); + } + ts.getModuleInstanceState = getModuleInstanceState; + var binder = createBinder(); + function bindSourceFile(file, options) { + ts.performance.mark("beforeBind"); + binder(file, options); + ts.performance.mark("afterBind"); + ts.performance.measure("Bind", "beforeBind", "afterBind"); + } + ts.bindSourceFile = bindSourceFile; + function createBinder() { + var file; + var options; + var languageVersion; + var parent; + var container; + var blockScopeContainer; + var lastContainer; + var seenThisKeyword; + var currentFlow; + var currentBreakTarget; + var currentContinueTarget; + var currentReturnTarget; + var currentTrueTarget; + var currentFalseTarget; + var preSwitchCaseFlow; + var activeLabels; + var hasExplicitReturn; + var emitFlags; + var inStrictMode; + var symbolCount = 0; + var Symbol; + var classifiableNames; + var unreachableFlow = { flags: 1 }; + var reportedUnreachableFlow = { flags: 1 }; + var subtreeTransformFlags = 0; + var skipTransformFlagAggregation; + function bindSourceFile(f, opts) { + file = f; + options = opts; + languageVersion = ts.getEmitScriptTarget(options); + inStrictMode = bindInStrictMode(file, opts); + classifiableNames = ts.createMap(); + symbolCount = 0; + skipTransformFlagAggregation = ts.isDeclarationFile(file); + Symbol = ts.objectAllocator.getSymbolConstructor(); + if (!file.locals) { + bind(file); + file.symbolCount = symbolCount; + file.classifiableNames = classifiableNames; + } + file = undefined; + options = undefined; + languageVersion = undefined; + parent = undefined; + container = undefined; + blockScopeContainer = undefined; + lastContainer = undefined; + seenThisKeyword = false; + currentFlow = undefined; + currentBreakTarget = undefined; + currentContinueTarget = undefined; + currentReturnTarget = undefined; + currentTrueTarget = undefined; + currentFalseTarget = undefined; + activeLabels = undefined; + hasExplicitReturn = false; + emitFlags = 0; + subtreeTransformFlags = 0; } - function getTextOfPropertyName(name) { - switch (name.kind) { - case 70: - return name.text; - case 9: - case 8: - return name.text; - case 141: - if (ts.isStringOrNumericLiteral(name.expression.kind)) { - return name.expression.text; - } + return bindSourceFile; + function bindInStrictMode(file, opts) { + if (opts.alwaysStrict && !ts.isDeclarationFile(file)) { + return true; + } + else { + return !!file.externalModuleIndicator; } - return undefined; } - function isComputedNonLiteralName(name) { - return name.kind === 141 && !ts.isStringOrNumericLiteral(name.expression.kind); + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); } - function getTypeForBindingElement(declaration) { - var pattern = declaration.parent; - var parentType = getTypeForBindingElementParent(pattern.parent); - if (parentType === unknownType) { - return unknownType; + function addDeclarationToSymbol(symbol, node, symbolFlags) { + symbol.flags |= symbolFlags; + node.symbol = symbol; + if (!symbol.declarations) { + symbol.declarations = []; } - if (!parentType || isTypeAny(parentType)) { - if (declaration.initializer) { - return checkDeclarationInitializer(declaration); - } - return parentType; + symbol.declarations.push(node); + if (symbolFlags & 1952 && !symbol.exports) { + symbol.exports = ts.createMap(); } - var type; - if (pattern.kind === 168) { - var name_14 = declaration.propertyName || declaration.name; - if (isComputedNonLiteralName(name_14)) { - return anyType; + if (symbolFlags & 6240 && !symbol.members) { + symbol.members = ts.createMap(); + } + if (symbolFlags & 107455) { + var valueDeclaration = symbol.valueDeclaration; + if (!valueDeclaration || + (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 226)) { + symbol.valueDeclaration = node; } - if (declaration.initializer) { - getContextualType(declaration.initializer); + } + } + function getDeclarationName(node) { + if (node.name) { + if (ts.isAmbientModule(node)) { + return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; } - var text = getTextOfPropertyName(name_14); - type = getTypeOfPropertyOfType(parentType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || - getIndexTypeOfType(parentType, 0); - if (!type) { - error(name_14, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_14)); - return unknownType; + if (node.name.kind === 141) { + var nameExpression = node.name.expression; + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); + return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); } + return node.name.text; } - else { - var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); - if (!declaration.dotDotDotToken) { - var propName = "" + ts.indexOf(pattern.elements, declaration); - type = isTupleLikeType(parentType) - ? getTypeOfPropertyOfType(parentType, propName) - : elementType; - if (!type) { - if (isTupleType(parentType)) { - error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), getTypeReferenceArity(parentType), pattern.elements.length); - } - else { - error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + switch (node.kind) { + case 149: + return "__constructor"; + case 157: + case 152: + return "__call"; + case 158: + case 153: + return "__new"; + case 154: + return "__index"; + case 237: + return "__export"; + case 236: + return node.isExportEquals ? "export=" : "default"; + case 188: + switch (ts.getSpecialPropertyAssignmentKind(node)) { + case 2: + return "export="; + case 1: + case 4: + return node.left.name.text; + case 3: + return node.left.expression.name.text; + } + ts.Debug.fail("Unknown binary declaration kind"); + break; + case 221: + case 222: + return ts.hasModifier(node, 512) ? "default" : undefined; + case 269: + return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; + case 143: + ts.Debug.assert(node.parent.kind === 269); + var functionType = node.parent; + var index = ts.indexOf(functionType.parameters, node); + return "arg" + index; + case 279: + var parentNode = node.parent && node.parent.parent; + var nameFromParentNode = void 0; + if (parentNode && parentNode.kind === 201) { + if (parentNode.declarationList.declarations.length > 0) { + var nameIdentifier = parentNode.declarationList.declarations[0].name; + if (nameIdentifier.kind === 70) { + nameFromParentNode = nameIdentifier.text; + } } - return unknownType; } - } - else { - type = createArrayType(elementType); - } - } - if (strictNullChecks && declaration.initializer && !(getFalsyFlags(checkExpressionCached(declaration.initializer)) & 2048)) { - type = getTypeWithFacts(type, 131072); + return nameFromParentNode; } - return declaration.initializer ? - getUnionType([type, checkExpressionCached(declaration.initializer)], true) : - type; } - function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (jsDocType) { - return getTypeFromTypeNode(jsDocType); - } + function getDisplayName(node) { + return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); } - function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var typeTag = ts.getJSDocTypeTag(declaration); - if (typeTag && typeTag.typeExpression) { - return typeTag.typeExpression.type; + function declareSymbol(symbolTable, parent, node, includes, excludes) { + ts.Debug.assert(!ts.hasDynamicName(node)); + var isDefaultExport = ts.hasModifier(node, 512); + var name = isDefaultExport && parent ? "default" : getDeclarationName(node); + var symbol; + if (name === undefined) { + symbol = createSymbol(0, "__missing"); } - if (declaration.kind === 219 && - declaration.parent.kind === 220 && - declaration.parent.parent.kind === 201) { - var annotation = ts.getJSDocTypeTag(declaration.parent.parent); - if (annotation && annotation.typeExpression) { - return annotation.typeExpression.type; + else { + symbol = symbolTable[name] || (symbolTable[name] = createSymbol(0, name)); + if (name && (includes & 788448)) { + classifiableNames[name] = name; } - } - else if (declaration.kind === 143) { - var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type; + if (symbol.flags & excludes) { + if (symbol.isReplaceableByMethod) { + symbol = symbolTable[name] = createSymbol(0, name); + } + else { + if (node.name) { + node.name.parent = node; + } + var message_1 = symbol.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + if (symbol.declarations && symbol.declarations.length) { + if (isDefaultExport) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + else { + if (symbol.declarations && symbol.declarations.length && + (isDefaultExport || (node.kind === 236 && !node.isExportEquals))) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + } + } + ts.forEach(symbol.declarations, function (declaration) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); + }); + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); + symbol = createSymbol(0, name); + } } } - return undefined; - } - function isNullOrUndefined(node) { - var expr = ts.skipParentheses(node); - return expr.kind === 94 || expr.kind === 70 && getResolvedSymbol(expr) === undefinedSymbol; - } - function isEmptyArrayLiteral(node) { - var expr = ts.skipParentheses(node); - return expr.kind === 171 && expr.elements.length === 0; - } - function addOptionality(type, optional) { - return strictNullChecks && optional ? includeFalsyTypes(type, 2048) : type; + addDeclarationToSymbol(symbol, node, includes); + symbol.parent = parent; + return symbol; } - function getTypeForVariableLikeDeclaration(declaration, includeOptionality) { - if (declaration.flags & 1048576) { - var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; + function declareModuleMember(node, symbolFlags, symbolExcludes) { + var hasExportModifier = ts.getCombinedModifierFlags(node) & 1; + if (symbolFlags & 8388608) { + if (node.kind === 239 || (node.kind === 230 && hasExportModifier)) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } } - if (declaration.parent.parent.kind === 208) { - return stringType; - } - if (declaration.parent.parent.kind === 209) { - return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; + else { + var isJSDocTypedefInJSDocNamespace = node.kind === 279 && + node.name && + node.name.kind === 70 && + node.name.isInJSDocNamespace; + if ((!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32)) || isJSDocTypedefInJSDocNamespace) { + var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | + (symbolFlags & 793064 ? 2097152 : 0) | + (symbolFlags & 1920 ? 4194304 : 0); + var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); + local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + node.localSymbol = local; + return local; + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } } - if (ts.isBindingPattern(declaration.parent)) { - return getTypeForBindingElement(declaration); + } + function bindContainer(node, containerFlags) { + var saveContainer = container; + var savedBlockScopeContainer = blockScopeContainer; + if (containerFlags & 1) { + container = blockScopeContainer = node; + if (containerFlags & 32) { + container.locals = ts.createMap(); + } + addToContainerChain(container); } - if (declaration.type) { - return addOptionality(getTypeFromTypeNode(declaration.type), declaration.questionToken && includeOptionality); + else if (containerFlags & 2) { + blockScopeContainer = node; + blockScopeContainer.locals = undefined; } - if (declaration.kind === 219 && !ts.isBindingPattern(declaration.name) && - !(ts.getCombinedModifierFlags(declaration) & 1) && !ts.isInAmbientContext(declaration)) { - if (!(ts.getCombinedNodeFlags(declaration) & 2) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) { - return autoType; - } - if (declaration.initializer && isEmptyArrayLiteral(declaration.initializer)) { - return autoArrayType; + if (containerFlags & 4) { + var saveCurrentFlow = currentFlow; + var saveBreakTarget = currentBreakTarget; + var saveContinueTarget = currentContinueTarget; + var saveReturnTarget = currentReturnTarget; + var saveActiveLabels = activeLabels; + var saveHasExplicitReturn = hasExplicitReturn; + var isIIFE = containerFlags & 16 && !!ts.getImmediatelyInvokedFunctionExpression(node); + if (isIIFE) { + currentReturnTarget = createBranchLabel(); } - } - if (declaration.kind === 143) { - var func = declaration.parent; - if (func.kind === 151 && !ts.hasDynamicName(func)) { - var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 150); - if (getter) { - var getterSignature = getSignatureFromDeclaration(getter); - var thisParameter = getAccessorThisParameter(func); - if (thisParameter && declaration === thisParameter) { - ts.Debug.assert(!thisParameter.type); - return getTypeOfSymbol(getterSignature.thisParameter); - } - return getReturnTypeOfSignature(getterSignature); + else { + currentFlow = { flags: 2 }; + if (containerFlags & (16 | 128)) { + currentFlow.container = node; } + currentReturnTarget = undefined; } - var type = void 0; - if (declaration.symbol.name === "this") { - type = getContextualThisParameterType(func); + currentBreakTarget = undefined; + currentContinueTarget = undefined; + activeLabels = undefined; + hasExplicitReturn = false; + bindChildren(node); + node.flags &= ~32128; + if (!(currentFlow.flags & 1) && containerFlags & 8 && ts.nodeIsPresent(node.body)) { + node.flags |= 128; + if (hasExplicitReturn) + node.flags |= 256; } - else { - type = getContextuallyTypedParameterType(declaration); + if (node.kind === 256) { + node.flags |= emitFlags; } - if (type) { - return addOptionality(type, declaration.questionToken && includeOptionality); + if (isIIFE) { + addAntecedent(currentReturnTarget, currentFlow); + currentFlow = finishFlowLabel(currentReturnTarget); } + else { + currentFlow = saveCurrentFlow; + } + currentBreakTarget = saveBreakTarget; + currentContinueTarget = saveContinueTarget; + currentReturnTarget = saveReturnTarget; + activeLabels = saveActiveLabels; + hasExplicitReturn = saveHasExplicitReturn; } - if (declaration.initializer) { - var type = checkDeclarationInitializer(declaration); - return addOptionality(type, declaration.questionToken && includeOptionality); - } - if (declaration.kind === 254) { - return checkIdentifier(declaration.name); + else if (containerFlags & 64) { + seenThisKeyword = false; + bindChildren(node); + node.flags = seenThisKeyword ? node.flags | 64 : node.flags & ~64; } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, false, true); + else { + bindChildren(node); } - return undefined; + container = saveContainer; + blockScopeContainer = savedBlockScopeContainer; } - function getTypeFromBindingElement(element, includePatternInType, reportErrors) { - if (element.initializer) { - return checkDeclarationInitializer(element); + function bindChildren(node) { + if (skipTransformFlagAggregation) { + bindChildrenWorker(node); } - if (ts.isBindingPattern(element.name)) { - return getTypeFromBindingPattern(element.name, includePatternInType, reportErrors); + else if (node.transformFlags & 536870912) { + skipTransformFlagAggregation = true; + bindChildrenWorker(node); + skipTransformFlagAggregation = false; } - if (reportErrors && compilerOptions.noImplicitAny && !declarationBelongsToPrivateAmbientMember(element)) { - reportImplicitAnyError(element, anyType); + else { + var savedSubtreeTransformFlags = subtreeTransformFlags; + subtreeTransformFlags = 0; + bindChildrenWorker(node); + subtreeTransformFlags = savedSubtreeTransformFlags | computeTransformFlagsForNode(node, subtreeTransformFlags); } - return anyType; } - function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) { - var members = ts.createMap(); - var hasComputedProperties = false; - ts.forEach(pattern.elements, function (e) { - var name = e.propertyName || e.name; - if (isComputedNonLiteralName(name)) { - hasComputedProperties = true; - return; - } - var text = getTextOfPropertyName(name); - var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); - var symbol = createSymbol(flags, text); - symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors); - symbol.bindingElement = e; - members[symbol.name] = symbol; - }); - var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); - if (includePatternInType) { - result.pattern = pattern; - } - if (hasComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + function bindChildrenWorker(node) { + if (ts.isInJavaScriptFile(node) && node.jsDocComments) { + ts.forEach(node.jsDocComments, bind); } - return result; - } - function getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors) { - var elements = pattern.elements; - var lastElement = ts.lastOrUndefined(elements); - if (elements.length === 0 || (!ts.isOmittedExpression(lastElement) && lastElement.dotDotDotToken)) { - return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; + if (checkUnreachable(node)) { + ts.forEachChild(node, bind); + return; } - var elementTypes = ts.map(elements, function (e) { return ts.isOmittedExpression(e) ? anyType : getTypeFromBindingElement(e, includePatternInType, reportErrors); }); - var result = createTupleType(elementTypes); - if (includePatternInType) { - result = cloneTypeReference(result); - result.pattern = pattern; + switch (node.kind) { + case 206: + bindWhileStatement(node); + break; + case 205: + bindDoStatement(node); + break; + case 207: + bindForStatement(node); + break; + case 208: + case 209: + bindForInOrForOfStatement(node); + break; + case 204: + bindIfStatement(node); + break; + case 212: + case 216: + bindReturnOrThrow(node); + break; + case 211: + case 210: + bindBreakOrContinueStatement(node); + break; + case 217: + bindTryStatement(node); + break; + case 214: + bindSwitchStatement(node); + break; + case 228: + bindCaseBlock(node); + break; + case 249: + bindCaseClause(node); + break; + case 215: + bindLabeledStatement(node); + break; + case 186: + bindPrefixUnaryExpressionFlow(node); + break; + case 187: + bindPostfixUnaryExpressionFlow(node); + break; + case 188: + bindBinaryExpressionFlow(node); + break; + case 182: + bindDeleteExpressionFlow(node); + break; + case 189: + bindConditionalExpressionFlow(node); + break; + case 219: + bindVariableDeclarationFlow(node); + break; + case 175: + bindCallExpressionFlow(node); + break; + default: + ts.forEachChild(node, bind); + break; } - return result; } - function getTypeFromBindingPattern(pattern, includePatternInType, reportErrors) { - return pattern.kind === 168 - ? getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) - : getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors); - } - function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { - var type = getTypeForVariableLikeDeclaration(declaration, true); - if (type) { - if (reportErrors) { - reportErrorsFromWidening(declaration, type); - } - if (declaration.kind === 253) { - return type; - } - return getWidenedType(type); - } - type = declaration.dotDotDotToken ? anyArrayType : anyType; - if (reportErrors && compilerOptions.noImplicitAny) { - if (!declarationBelongsToPrivateAmbientMember(declaration)) { - reportImplicitAnyError(declaration, type); - } + function isNarrowingExpression(expr) { + switch (expr.kind) { + case 70: + case 98: + case 173: + return isNarrowableReference(expr); + case 175: + return hasNarrowableArgument(expr); + case 179: + return isNarrowingExpression(expr.expression); + case 188: + return isNarrowingBinaryExpression(expr); + case 186: + return expr.operator === 50 && isNarrowingExpression(expr.operand); } - return type; + return false; } - function declarationBelongsToPrivateAmbientMember(declaration) { - var root = ts.getRootDeclaration(declaration); - var memberDeclaration = root.kind === 143 ? root.parent : root; - return isPrivateWithinAmbient(memberDeclaration); + function isNarrowableReference(expr) { + return expr.kind === 70 || + expr.kind === 98 || + expr.kind === 173 && isNarrowableReference(expr.expression); } - function getTypeOfVariableOrParameterOrProperty(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (symbol.flags & 134217728) { - return links.type = getTypeOfPrototypeProperty(symbol); - } - var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 252) { - return links.type = anyType; - } - if (declaration.kind === 236) { - return links.type = checkExpression(declaration.expression); - } - if (declaration.flags & 1048576 && declaration.kind === 280 && declaration.typeExpression) { - return links.type = getTypeFromTypeNode(declaration.typeExpression.type); - } - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var type = void 0; - if (declaration.kind === 188 || - declaration.kind === 173 && declaration.parent.kind === 188) { - if (declaration.flags & 1048576) { - var typeTag = ts.getJSDocTypeTag(declaration.parent); - if (typeTag && typeTag.typeExpression) { - return links.type = getTypeFromTypeNode(typeTag.typeExpression.type); - } - } - var declaredTypes = ts.map(symbol.declarations, function (decl) { return decl.kind === 188 ? - checkExpressionCached(decl.right) : - checkExpressionCached(decl.parent.right); }); - type = getUnionType(declaredTypes, true); - } - else { - type = getWidenedTypeForVariableLikeDeclaration(declaration, true); - } - if (!popTypeResolution()) { - if (symbol.valueDeclaration.type) { - type = unknownType; - error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); - } - else { - type = anyType; - if (compilerOptions.noImplicitAny) { - error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); - } + function hasNarrowableArgument(expr) { + if (expr.arguments) { + for (var _i = 0, _a = expr.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (isNarrowableReference(argument)) { + return true; } } - links.type = type; } - return links.type; - } - function getAnnotatedAccessorType(accessor) { - if (accessor) { - if (accessor.kind === 150) { - return accessor.type && getTypeFromTypeNode(accessor.type); - } - else { - var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); - return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); - } + if (expr.expression.kind === 173 && + isNarrowableReference(expr.expression.expression)) { + return true; } - return undefined; + return false; } - function getAnnotatedAccessorThisParameter(accessor) { - var parameter = getAccessorThisParameter(accessor); - return parameter && parameter.symbol; + function isNarrowingTypeofOperands(expr1, expr2) { + return expr1.kind === 183 && isNarrowableOperand(expr1.expression) && expr2.kind === 9; } - function getThisTypeOfDeclaration(declaration) { - return getThisTypeOfSignature(getSignatureFromDeclaration(declaration)); + function isNarrowingBinaryExpression(expr) { + switch (expr.operatorToken.kind) { + case 57: + return isNarrowableReference(expr.left); + case 31: + case 32: + case 33: + case 34: + return isNarrowableOperand(expr.left) || isNarrowableOperand(expr.right) || + isNarrowingTypeofOperands(expr.right, expr.left) || isNarrowingTypeofOperands(expr.left, expr.right); + case 92: + return isNarrowableOperand(expr.left); + case 25: + return isNarrowingExpression(expr.right); + } + return false; } - function getTypeOfAccessors(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var getter = ts.getDeclarationOfKind(symbol, 150); - var setter = ts.getDeclarationOfKind(symbol, 151); - if (getter && getter.flags & 1048576) { - var jsDocType = getTypeForVariableLikeDeclarationFromJSDocComment(getter); - if (jsDocType) { - return links.type = jsDocType; - } - } - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var type = void 0; - var getterReturnType = getAnnotatedAccessorType(getter); - if (getterReturnType) { - type = getterReturnType; - } - else { - var setterParameterType = getAnnotatedAccessorType(setter); - if (setterParameterType) { - type = setterParameterType; - } - else { - if (getter && getter.body) { - type = getReturnTypeFromBody(getter); - } - else { - if (compilerOptions.noImplicitAny) { - if (setter) { - error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation, symbolToString(symbol)); - } - else { - ts.Debug.assert(!!getter, "there must existed getter as we are current checking either setter or getter in this function"); - error(getter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation, symbolToString(symbol)); - } - } - type = anyType; - } - } - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var getter_1 = ts.getDeclarationOfKind(symbol, 150); - error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); + function isNarrowableOperand(expr) { + switch (expr.kind) { + case 179: + return isNarrowableOperand(expr.expression); + case 188: + switch (expr.operatorToken.kind) { + case 57: + return isNarrowableOperand(expr.left); + case 25: + return isNarrowableOperand(expr.right); } - } - links.type = type; } - return links.type; + return isNarrowableReference(expr); } - function getTypeOfFuncClassEnumModule(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (symbol.valueDeclaration.kind === 226 && ts.isShorthandAmbientModuleSymbol(symbol)) { - links.type = anyType; - } - else { - var type = createObjectType(2097152, symbol); - links.type = strictNullChecks && symbol.flags & 536870912 ? - includeFalsyTypes(type, 2048) : type; - } - } - return links.type; + function createBranchLabel() { + return { + flags: 4, + antecedents: undefined + }; } - function getTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = getDeclaredTypeOfEnumMember(symbol); - } - return links.type; + function createLoopLabel() { + return { + flags: 8, + antecedents: undefined + }; } - function getTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var targetSymbol = resolveAlias(symbol); - links.type = targetSymbol.flags & 107455 - ? getTypeOfSymbol(targetSymbol) - : unknownType; - } - return links.type; + function setFlowNodeReferenced(flow) { + flow.flags |= flow.flags & 512 ? 1024 : 512; } - function getTypeOfInstantiatedSymbol(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + function addAntecedent(label, antecedent) { + if (!(antecedent.flags & 1) && !ts.contains(label.antecedents, antecedent)) { + (label.antecedents || (label.antecedents = [])).push(antecedent); + setFlowNodeReferenced(antecedent); } - return links.type; } - function getTypeOfSymbol(symbol) { - if (symbol.flags & 16777216) { - return getTypeOfInstantiatedSymbol(symbol); - } - if (symbol.flags & (3 | 4)) { - return getTypeOfVariableOrParameterOrProperty(symbol); + function createFlowCondition(flags, antecedent, expression) { + if (antecedent.flags & 1) { + return antecedent; } - if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { - return getTypeOfFuncClassEnumModule(symbol); + if (!expression) { + return flags & 32 ? antecedent : unreachableFlow; } - if (symbol.flags & 8) { - return getTypeOfEnumMember(symbol); + if (expression.kind === 100 && flags & 64 || + expression.kind === 85 && flags & 32) { + return unreachableFlow; } - if (symbol.flags & 98304) { - return getTypeOfAccessors(symbol); + if (!isNarrowingExpression(expression)) { + return antecedent; } - if (symbol.flags & 8388608) { - return getTypeOfAlias(symbol); + setFlowNodeReferenced(antecedent); + return { + flags: flags, + expression: expression, + antecedent: antecedent + }; + } + function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) { + if (!isNarrowingExpression(switchStatement.expression)) { + return antecedent; } - return unknownType; + setFlowNodeReferenced(antecedent); + return { + flags: 128, + switchStatement: switchStatement, + clauseStart: clauseStart, + clauseEnd: clauseEnd, + antecedent: antecedent + }; } - function getTargetType(type) { - return type.flags & 131072 ? type.target : type; + function createFlowAssignment(antecedent, node) { + setFlowNodeReferenced(antecedent); + return { + flags: 16, + antecedent: antecedent, + node: node + }; } - function hasBaseType(type, checkBase) { - return check(type); - function check(type) { - var target = getTargetType(type); - return target === checkBase || ts.forEach(getBaseTypes(target), check); + function createFlowArrayMutation(antecedent, node) { + setFlowNodeReferenced(antecedent); + return { + flags: 256, + antecedent: antecedent, + node: node + }; + } + function finishFlowLabel(flow) { + var antecedents = flow.antecedents; + if (!antecedents) { + return unreachableFlow; + } + if (antecedents.length === 1) { + return antecedents[0]; } + return flow; } - function appendTypeParameters(typeParameters, declarations) { - for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { - var declaration = declarations_2[_i]; - var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); - if (!typeParameters) { - typeParameters = [tp]; - } - else if (!ts.contains(typeParameters, tp)) { - typeParameters.push(tp); - } + function isStatementCondition(node) { + var parent = node.parent; + switch (parent.kind) { + case 204: + case 206: + case 205: + return parent.expression === node; + case 207: + case 189: + return parent.condition === node; } - return typeParameters; + return false; } - function appendOuterTypeParameters(typeParameters, node) { + function isLogicalExpression(node) { while (true) { - node = node.parent; - if (!node) { - return typeParameters; + if (node.kind === 179) { + node = node.expression; } - if (node.kind === 222 || node.kind === 193 || - node.kind === 221 || node.kind === 180 || - node.kind === 148 || node.kind === 181) { - var declarations = node.typeParameters; - if (declarations) { - return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); - } + else if (node.kind === 186 && node.operator === 50) { + node = node.operand; + } + else { + return node.kind === 188 && (node.operatorToken.kind === 52 || + node.operatorToken.kind === 53); } } } - function getOuterTypeParametersOfClassOrInterface(symbol) { - var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 223); - return appendOuterTypeParameters(undefined, declaration); + function isTopLevelLogicalExpression(node) { + while (node.parent.kind === 179 || + node.parent.kind === 186 && + node.parent.operator === 50) { + node = node.parent; + } + return !isStatementCondition(node) && !isLogicalExpression(node.parent); } - function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { - var result; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - if (node.kind === 223 || node.kind === 222 || - node.kind === 193 || node.kind === 224) { - var declaration = node; - if (declaration.typeParameters) { - result = appendTypeParameters(result, declaration.typeParameters); - } - } + function bindCondition(node, trueTarget, falseTarget) { + var saveTrueTarget = currentTrueTarget; + var saveFalseTarget = currentFalseTarget; + currentTrueTarget = trueTarget; + currentFalseTarget = falseTarget; + bind(node); + currentTrueTarget = saveTrueTarget; + currentFalseTarget = saveFalseTarget; + if (!node || !isLogicalExpression(node)) { + addAntecedent(trueTarget, createFlowCondition(32, currentFlow, node)); + addAntecedent(falseTarget, createFlowCondition(64, currentFlow, node)); } - return result; } - function getTypeParametersOfClassOrInterface(symbol) { - return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); + function bindIterativeStatement(node, breakTarget, continueTarget) { + var saveBreakTarget = currentBreakTarget; + var saveContinueTarget = currentContinueTarget; + currentBreakTarget = breakTarget; + currentContinueTarget = continueTarget; + bind(node); + currentBreakTarget = saveBreakTarget; + currentContinueTarget = saveContinueTarget; } - function isConstructorType(type) { - return type.flags & 2588672 && getSignaturesOfType(type, 1).length > 0; + function bindWhileStatement(node) { + var preWhileLabel = createLoopLabel(); + var preBodyLabel = createBranchLabel(); + var postWhileLabel = createBranchLabel(); + addAntecedent(preWhileLabel, currentFlow); + currentFlow = preWhileLabel; + bindCondition(node.expression, preBodyLabel, postWhileLabel); + currentFlow = finishFlowLabel(preBodyLabel); + bindIterativeStatement(node.statement, postWhileLabel, preWhileLabel); + addAntecedent(preWhileLabel, currentFlow); + currentFlow = finishFlowLabel(postWhileLabel); } - function getBaseTypeNodeOfClass(type) { - return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); + function bindDoStatement(node) { + var preDoLabel = createLoopLabel(); + var preConditionLabel = createBranchLabel(); + var postDoLabel = createBranchLabel(); + addAntecedent(preDoLabel, currentFlow); + currentFlow = preDoLabel; + bindIterativeStatement(node.statement, postDoLabel, preConditionLabel); + addAntecedent(preConditionLabel, currentFlow); + currentFlow = finishFlowLabel(preConditionLabel); + bindCondition(node.expression, preDoLabel, postDoLabel); + currentFlow = finishFlowLabel(postDoLabel); } - function getConstructorsForTypeArguments(type, typeArgumentNodes) { - var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; - return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); + function bindForStatement(node) { + var preLoopLabel = createLoopLabel(); + var preBodyLabel = createBranchLabel(); + var postLoopLabel = createBranchLabel(); + bind(node.initializer); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = preLoopLabel; + bindCondition(node.condition, preBodyLabel, postLoopLabel); + currentFlow = finishFlowLabel(preBodyLabel); + bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); + bind(node.incrementor); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = finishFlowLabel(postLoopLabel); } - function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { - var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); - if (typeArgumentNodes) { - var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); - signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + function bindForInOrForOfStatement(node) { + var preLoopLabel = createLoopLabel(); + var postLoopLabel = createBranchLabel(); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = preLoopLabel; + bind(node.expression); + addAntecedent(postLoopLabel, currentFlow); + bind(node.initializer); + if (node.initializer.kind !== 220) { + bindAssignmentTargetFlow(node.initializer); } - return signatures; + bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = finishFlowLabel(postLoopLabel); } - function getBaseConstructorTypeOfClass(type) { - if (!type.resolvedBaseConstructorType) { - var baseTypeNode = getBaseTypeNodeOfClass(type); - if (!baseTypeNode) { - return type.resolvedBaseConstructorType = undefinedType; - } - if (!pushTypeResolution(type, 1)) { - return unknownType; - } - var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 2588672) { - resolveStructuredTypeMembers(baseConstructorType); - } - if (!popTypeResolution()) { - error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); - return type.resolvedBaseConstructorType = unknownType; - } - if (baseConstructorType !== unknownType && baseConstructorType !== nullWideningType && !isConstructorType(baseConstructorType)) { - error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); - return type.resolvedBaseConstructorType = unknownType; + function bindIfStatement(node) { + var thenLabel = createBranchLabel(); + var elseLabel = createBranchLabel(); + var postIfLabel = createBranchLabel(); + bindCondition(node.expression, thenLabel, elseLabel); + currentFlow = finishFlowLabel(thenLabel); + bind(node.thenStatement); + addAntecedent(postIfLabel, currentFlow); + currentFlow = finishFlowLabel(elseLabel); + bind(node.elseStatement); + addAntecedent(postIfLabel, currentFlow); + currentFlow = finishFlowLabel(postIfLabel); + } + function bindReturnOrThrow(node) { + bind(node.expression); + if (node.kind === 212) { + hasExplicitReturn = true; + if (currentReturnTarget) { + addAntecedent(currentReturnTarget, currentFlow); } - type.resolvedBaseConstructorType = baseConstructorType; } - return type.resolvedBaseConstructorType; + currentFlow = unreachableFlow; } - function getBaseTypes(type) { - if (!type.resolvedBaseTypes) { - if (type.flags & 262144) { - type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))]; - } - else if (type.symbol.flags & (32 | 64)) { - if (type.symbol.flags & 32) { - resolveBaseTypesOfClass(type); - } - if (type.symbol.flags & 64) { - resolveBaseTypesOfInterface(type); + function findActiveLabel(name) { + if (activeLabels) { + for (var _i = 0, activeLabels_1 = activeLabels; _i < activeLabels_1.length; _i++) { + var label = activeLabels_1[_i]; + if (label.name === name) { + return label; } } - else { - ts.Debug.fail("type must be class or interface"); - } } - return type.resolvedBaseTypes; + return undefined; } - function resolveBaseTypesOfClass(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 2588672)) { - return; - } - var baseTypeNode = getBaseTypeNodeOfClass(type); - var baseType; - var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; - if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && - areAllOuterTypeParametersApplied(originalBaseType)) { - baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); + function bindbreakOrContinueFlow(node, breakTarget, continueTarget) { + var flowLabel = node.kind === 211 ? breakTarget : continueTarget; + if (flowLabel) { + addAntecedent(flowLabel, currentFlow); + currentFlow = unreachableFlow; } - else { - var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); - if (!constructors.length) { - error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); - return; + } + function bindBreakOrContinueStatement(node) { + bind(node.label); + if (node.label) { + var activeLabel = findActiveLabel(node.label.text); + if (activeLabel) { + activeLabel.referenced = true; + bindbreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget); } - baseType = getReturnTypeOfSignature(constructors[0]); - } - if (baseType === unknownType) { - return; - } - if (!(getTargetType(baseType).flags & (32768 | 65536))) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); - return; - } - if (type === baseType || hasBaseType(baseType, type)) { - error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - return; - } - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; } else { - type.resolvedBaseTypes.push(baseType); - } - } - function areAllOuterTypeParametersApplied(type) { - var outerTypeParameters = type.outerTypeParameters; - if (outerTypeParameters) { - var last = outerTypeParameters.length - 1; - var typeArguments = type.typeArguments; - return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + bindbreakOrContinueFlow(node, currentBreakTarget, currentContinueTarget); } - return true; } - function resolveBaseTypesOfInterface(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 223 && ts.getInterfaceBaseTypeNodes(declaration)) { - for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { - var node = _c[_b]; - var baseType = getTypeFromTypeNode(node); - if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (32768 | 65536)) { - if (type !== baseType && !hasBaseType(baseType, type)) { - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - else { - error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - } - } - else { - error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); - } - } - } - } + function bindTryStatement(node) { + var preFinallyLabel = createBranchLabel(); + var preTryFlow = currentFlow; + bind(node.tryBlock); + addAntecedent(preFinallyLabel, currentFlow); + var flowAfterTry = currentFlow; + var flowAfterCatch = unreachableFlow; + if (node.catchClause) { + currentFlow = preTryFlow; + bind(node.catchClause); + addAntecedent(preFinallyLabel, currentFlow); + flowAfterCatch = currentFlow; } - } - function isIndependentInterface(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 223) { - if (declaration.flags & 64) { - return false; - } - var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); - if (baseTypeNodes) { - for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { - var node = baseTypeNodes_1[_b]; - if (ts.isEntityNameExpression(node.expression)) { - var baseSymbol = resolveEntityName(node.expression, 793064, true); - if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { - return false; - } - } - } + if (node.finallyBlock) { + addAntecedent(preFinallyLabel, preTryFlow); + currentFlow = finishFlowLabel(preFinallyLabel); + bind(node.finallyBlock); + if (!(currentFlow.flags & 1)) { + if ((flowAfterTry.flags & 1) && (flowAfterCatch.flags & 1)) { + currentFlow = flowAfterTry === reportedUnreachableFlow || flowAfterCatch === reportedUnreachableFlow + ? reportedUnreachableFlow + : unreachableFlow; } } } - return true; - } - function getDeclaredTypeOfClassOrInterface(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var kind = symbol.flags & 32 ? 32768 : 65536; - var type = links.declaredType = createObjectType(kind, symbol); - var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); - var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (outerTypeParameters || localTypeParameters || kind === 32768 || !isIndependentInterface(symbol)) { - type.flags |= 131072; - type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); - type.outerTypeParameters = outerTypeParameters; - type.localTypeParameters = localTypeParameters; - type.instantiations = ts.createMap(); - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(16384); - type.thisType.isThisType = true; - type.thisType.symbol = symbol; - type.thisType.constraint = type; - } - } - return links.declaredType; - } - function getDeclaredTypeOfTypeAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - if (!pushTypeResolution(symbol, 2)) { - return unknownType; - } - var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - var declaration = ts.getDeclarationOfKind(symbol, 279); - var type = void 0; - if (declaration) { - if (declaration.jsDocTypeLiteral) { - type = getTypeFromTypeNode(declaration.jsDocTypeLiteral); - } - else { - type = getTypeFromTypeNode(declaration.typeExpression.type); - } - } - else { - declaration = ts.getDeclarationOfKind(symbol, 224); - type = getTypeFromTypeNode(declaration.type, symbol, typeParameters); - } - if (popTypeResolution()) { - links.typeParameters = typeParameters; - if (typeParameters) { - links.instantiations = ts.createMap(); - links.instantiations[getTypeListId(links.typeParameters)] = type; - } - } - else { - type = unknownType; - error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); - } - links.declaredType = type; + else { + currentFlow = finishFlowLabel(preFinallyLabel); } - return links.declaredType; } - function isLiteralEnumMember(symbol, member) { - var expr = member.initializer; - if (!expr) { - return !ts.isInAmbientContext(member); + function bindSwitchStatement(node) { + var postSwitchLabel = createBranchLabel(); + bind(node.expression); + var saveBreakTarget = currentBreakTarget; + var savePreSwitchCaseFlow = preSwitchCaseFlow; + currentBreakTarget = postSwitchLabel; + preSwitchCaseFlow = currentFlow; + bind(node.caseBlock); + addAntecedent(postSwitchLabel, currentFlow); + var hasDefault = ts.forEach(node.caseBlock.clauses, function (c) { return c.kind === 250; }); + node.possiblyExhaustive = !hasDefault && !postSwitchLabel.antecedents; + if (!hasDefault) { + addAntecedent(postSwitchLabel, createFlowSwitchClause(preSwitchCaseFlow, node, 0, 0)); } - return expr.kind === 8 || - expr.kind === 186 && expr.operator === 37 && - expr.operand.kind === 8 || - expr.kind === 70 && !!symbol.exports[expr.text]; + currentBreakTarget = saveBreakTarget; + preSwitchCaseFlow = savePreSwitchCaseFlow; + currentFlow = finishFlowLabel(postSwitchLabel); } - function enumHasLiteralMembers(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 225) { - for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { - var member = _c[_b]; - if (!isLiteralEnumMember(symbol, member)) { - return false; - } - } + function bindCaseBlock(node) { + var clauses = node.clauses; + var fallthroughFlow = unreachableFlow; + for (var i = 0; i < clauses.length; i++) { + var clauseStart = i; + while (!clauses[i].statements.length && i + 1 < clauses.length) { + bind(clauses[i]); + i++; } - } - return true; - } - function createEnumLiteralType(symbol, baseType, text) { - var type = createType(256); - type.symbol = symbol; - type.baseType = baseType; - type.text = text; - return type; - } - function getDeclaredTypeOfEnum(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var enumType = links.declaredType = createType(16); - enumType.symbol = symbol; - if (enumHasLiteralMembers(symbol)) { - var memberTypeList = []; - var memberTypes = ts.createMap(); - for (var _i = 0, _a = enumType.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 225) { - computeEnumMemberValues(declaration); - for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { - var member = _c[_b]; - var memberSymbol = getSymbolOfNode(member); - var value = getEnumMemberValue(member); - if (!memberTypes[value]) { - var memberType = memberTypes[value] = createEnumLiteralType(memberSymbol, enumType, "" + value); - memberTypeList.push(memberType); - } - } - } - } - enumType.memberTypes = memberTypes; - if (memberTypeList.length > 1) { - enumType.flags |= 524288; - enumType.types = memberTypeList; - unionTypes[getTypeListId(memberTypeList)] = enumType; - } + var preCaseLabel = createBranchLabel(); + addAntecedent(preCaseLabel, createFlowSwitchClause(preSwitchCaseFlow, node.parent, clauseStart, i + 1)); + addAntecedent(preCaseLabel, fallthroughFlow); + currentFlow = finishFlowLabel(preCaseLabel); + var clause = clauses[i]; + bind(clause); + fallthroughFlow = currentFlow; + if (!(currentFlow.flags & 1) && i !== clauses.length - 1 && options.noFallthroughCasesInSwitch) { + errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); } } - return links.declaredType; } - function getDeclaredTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - links.declaredType = enumType.flags & 524288 ? - enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] : - enumType; - } - return links.declaredType; + function bindCaseClause(node) { + var saveCurrentFlow = currentFlow; + currentFlow = preSwitchCaseFlow; + bind(node.expression); + currentFlow = saveCurrentFlow; + ts.forEach(node.statements, bind); } - function getDeclaredTypeOfTypeParameter(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(16384); - type.symbol = symbol; - if (!ts.getDeclarationOfKind(symbol, 142).constraint) { - type.constraint = noConstraintType; - } - links.declaredType = type; - } - return links.declaredType; + function pushActiveLabel(name, breakTarget, continueTarget) { + var activeLabel = { + name: name, + breakTarget: breakTarget, + continueTarget: continueTarget, + referenced: false + }; + (activeLabels || (activeLabels = [])).push(activeLabel); + return activeLabel; } - function getDeclaredTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); - } - return links.declaredType; + function popActiveLabel() { + activeLabels.pop(); } - function getDeclaredTypeOfSymbol(symbol) { - ts.Debug.assert((symbol.flags & 16777216) === 0); - if (symbol.flags & (32 | 64)) { - return getDeclaredTypeOfClassOrInterface(symbol); - } - if (symbol.flags & 524288) { - return getDeclaredTypeOfTypeAlias(symbol); + function bindLabeledStatement(node) { + var preStatementLabel = createLoopLabel(); + var postStatementLabel = createBranchLabel(); + bind(node.label); + addAntecedent(preStatementLabel, currentFlow); + var activeLabel = pushActiveLabel(node.label.text, postStatementLabel, preStatementLabel); + bind(node.statement); + popActiveLabel(); + if (!activeLabel.referenced && !options.allowUnusedLabels) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.label, ts.Diagnostics.Unused_label)); } - if (symbol.flags & 262144) { - return getDeclaredTypeOfTypeParameter(symbol); + addAntecedent(postStatementLabel, currentFlow); + currentFlow = finishFlowLabel(postStatementLabel); + } + function bindDestructuringTargetFlow(node) { + if (node.kind === 188 && node.operatorToken.kind === 57) { + bindAssignmentTargetFlow(node.left); } - if (symbol.flags & 384) { - return getDeclaredTypeOfEnum(symbol); + else { + bindAssignmentTargetFlow(node); } - if (symbol.flags & 8) { - return getDeclaredTypeOfEnumMember(symbol); + } + function bindAssignmentTargetFlow(node) { + if (isNarrowableReference(node)) { + currentFlow = createFlowAssignment(currentFlow, node); } - if (symbol.flags & 8388608) { - return getDeclaredTypeOfAlias(symbol); + else if (node.kind === 171) { + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var e = _a[_i]; + if (e.kind === 192) { + bindAssignmentTargetFlow(e.expression); + } + else { + bindDestructuringTargetFlow(e); + } + } } - return unknownType; - } - function isIndependentTypeReference(node) { - if (node.typeArguments) { - for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { - var typeNode = _a[_i]; - if (!isIndependentType(typeNode)) { - return false; + else if (node.kind === 172) { + for (var _b = 0, _c = node.properties; _b < _c.length; _b++) { + var p = _c[_b]; + if (p.kind === 253) { + bindDestructuringTargetFlow(p.initializer); + } + else if (p.kind === 254) { + bindAssignmentTargetFlow(p.name); } } } - return true; } - function isIndependentType(node) { - switch (node.kind) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 104: - case 136: - case 94: - case 128: - case 167: - return true; - case 161: - return isIndependentType(node.elementType); - case 156: - return isIndependentTypeReference(node); + function bindLogicalExpression(node, trueTarget, falseTarget) { + var preRightLabel = createBranchLabel(); + if (node.operatorToken.kind === 52) { + bindCondition(node.left, preRightLabel, falseTarget); } - return false; - } - function isIndependentVariableLikeDeclaration(node) { - return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + else { + bindCondition(node.left, trueTarget, preRightLabel); + } + currentFlow = finishFlowLabel(preRightLabel); + bind(node.operatorToken); + bindCondition(node.right, trueTarget, falseTarget); } - function isIndependentFunctionLikeDeclaration(node) { - if (node.kind !== 149 && (!node.type || !isIndependentType(node.type))) { - return false; + function bindPrefixUnaryExpressionFlow(node) { + if (node.operator === 50) { + var saveTrueTarget = currentTrueTarget; + currentTrueTarget = currentFalseTarget; + currentFalseTarget = saveTrueTarget; + ts.forEachChild(node, bind); + currentFalseTarget = currentTrueTarget; + currentTrueTarget = saveTrueTarget; } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - if (!isIndependentVariableLikeDeclaration(parameter)) { - return false; + else { + ts.forEachChild(node, bind); + if (node.operator === 42 || node.operator === 43) { + bindAssignmentTargetFlow(node.operand); } } - return true; } - function isIndependentMember(symbol) { - if (symbol.declarations && symbol.declarations.length === 1) { - var declaration = symbol.declarations[0]; - if (declaration) { - switch (declaration.kind) { - case 146: - case 145: - return isIndependentVariableLikeDeclaration(declaration); - case 148: - case 147: - case 149: - return isIndependentFunctionLikeDeclaration(declaration); + function bindPostfixUnaryExpressionFlow(node) { + ts.forEachChild(node, bind); + if (node.operator === 42 || node.operator === 43) { + bindAssignmentTargetFlow(node.operand); + } + } + function bindBinaryExpressionFlow(node) { + var operator = node.operatorToken.kind; + if (operator === 52 || operator === 53) { + if (isTopLevelLogicalExpression(node)) { + var postExpressionLabel = createBranchLabel(); + bindLogicalExpression(node, postExpressionLabel, postExpressionLabel); + currentFlow = finishFlowLabel(postExpressionLabel); + } + else { + bindLogicalExpression(node, currentTrueTarget, currentFalseTarget); + } + } + else { + ts.forEachChild(node, bind); + if (operator === 57 && !ts.isAssignmentTarget(node)) { + bindAssignmentTargetFlow(node.left); + if (node.left.kind === 174) { + var elementAccess = node.left; + if (isNarrowableOperand(elementAccess.expression)) { + currentFlow = createFlowArrayMutation(currentFlow, node); + } } } } - return false; } - function createSymbolTable(symbols) { - var result = ts.createMap(); - for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { - var symbol = symbols_1[_i]; - result[symbol.name] = symbol; + function bindDeleteExpressionFlow(node) { + ts.forEachChild(node, bind); + if (node.expression.kind === 173) { + bindAssignmentTargetFlow(node.expression); } - return result; } - function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { - var result = ts.createMap(); - for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { - var symbol = symbols_2[_i]; - result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); - } - return result; + function bindConditionalExpressionFlow(node) { + var trueLabel = createBranchLabel(); + var falseLabel = createBranchLabel(); + var postExpressionLabel = createBranchLabel(); + bindCondition(node.condition, trueLabel, falseLabel); + currentFlow = finishFlowLabel(trueLabel); + bind(node.whenTrue); + addAntecedent(postExpressionLabel, currentFlow); + currentFlow = finishFlowLabel(falseLabel); + bind(node.whenFalse); + addAntecedent(postExpressionLabel, currentFlow); + currentFlow = finishFlowLabel(postExpressionLabel); } - function addInheritedMembers(symbols, baseSymbols) { - for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { - var s = baseSymbols_1[_i]; - if (!symbols[s.name]) { - symbols[s.name] = s; + function bindInitializedVariableFlow(node) { + var name = !ts.isOmittedExpression(node) ? node.name : undefined; + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var child = _a[_i]; + bindInitializedVariableFlow(child); } } - } - function resolveDeclaredMembers(type) { - if (!type.declaredProperties) { - var symbol = type.symbol; - type.declaredProperties = getNamedMembers(symbol.members); - type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); - type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); - type.declaredStringIndexInfo = getIndexInfoOfSymbol(symbol, 0); - type.declaredNumberIndexInfo = getIndexInfoOfSymbol(symbol, 1); + else { + currentFlow = createFlowAssignment(currentFlow, node); } - return type; } - function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 131072) { - return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + function bindVariableDeclarationFlow(node) { + ts.forEachChild(node, bind); + if (node.initializer || node.parent.parent.kind === 208 || node.parent.parent.kind === 209) { + bindInitializedVariableFlow(node); } - return type; } - function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { - var mapper; - var members; - var callSignatures; - var constructSignatures; - var stringIndexInfo; - var numberIndexInfo; - if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { - mapper = identityMapper; - members = source.symbol ? source.symbol.members : createSymbolTable(source.declaredProperties); - callSignatures = source.declaredCallSignatures; - constructSignatures = source.declaredConstructSignatures; - stringIndexInfo = source.declaredStringIndexInfo; - numberIndexInfo = source.declaredNumberIndexInfo; + function bindCallExpressionFlow(node) { + var expr = node.expression; + while (expr.kind === 179) { + expr = expr.expression; + } + if (expr.kind === 180 || expr.kind === 181) { + ts.forEach(node.typeArguments, bind); + ts.forEach(node.arguments, bind); + bind(node.expression); } else { - mapper = createTypeMapper(typeParameters, typeArguments); - members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); - callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); - constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); - stringIndexInfo = instantiateIndexInfo(source.declaredStringIndexInfo, mapper); - numberIndexInfo = instantiateIndexInfo(source.declaredNumberIndexInfo, mapper); + ts.forEachChild(node, bind); } - var baseTypes = getBaseTypes(source); - if (baseTypes.length) { - if (source.symbol && members === source.symbol.members) { - members = createSymbolTable(source.declaredProperties); - } - var thisArgument = ts.lastOrUndefined(typeArguments); - for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { - var baseType = baseTypes_1[_i]; - var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; - addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); - stringIndexInfo = stringIndexInfo || getIndexInfoOfType(instantiatedBaseType, 0); - numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1); + if (node.expression.kind === 173) { + var propertyAccess = node.expression; + if (isNarrowableOperand(propertyAccess.expression) && ts.isPushOrUnshiftIdentifier(propertyAccess.name)) { + currentFlow = createFlowArrayMutation(currentFlow, node); } } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); - } - function resolveClassOrInterfaceMembers(type) { - resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); } - function resolveTypeReferenceMembers(type) { - var source = resolveDeclaredMembers(type.target); - var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); - var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? - type.typeArguments : ts.concatenate(type.typeArguments, [type]); - resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + function getContainerFlags(node) { + switch (node.kind) { + case 193: + case 222: + case 225: + case 172: + case 160: + case 281: + case 265: + return 1; + case 223: + return 1 | 64; + case 269: + case 226: + case 224: + return 1 | 32; + case 256: + return 1 | 4 | 32; + case 148: + if (ts.isObjectLiteralOrClassExpressionMethod(node)) { + return 1 | 4 | 32 | 8 | 128; + } + case 149: + case 221: + case 147: + case 150: + case 151: + case 152: + case 153: + case 154: + case 157: + case 158: + return 1 | 4 | 32 | 8; + case 180: + case 181: + return 1 | 4 | 32 | 8 | 16; + case 227: + return 4; + case 146: + return node.initializer ? 4 : 0; + case 252: + case 207: + case 208: + case 209: + case 228: + return 2; + case 200: + return ts.isFunctionLike(node.parent) ? 0 : 2; + } + return 0; } - function createSignature(declaration, typeParameters, thisParameter, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasLiteralTypes) { - var sig = new Signature(checker); - sig.declaration = declaration; - sig.typeParameters = typeParameters; - sig.parameters = parameters; - sig.thisParameter = thisParameter; - sig.resolvedReturnType = resolvedReturnType; - sig.typePredicate = typePredicate; - sig.minArgumentCount = minArgumentCount; - sig.hasRestParameter = hasRestParameter; - sig.hasLiteralTypes = hasLiteralTypes; - return sig; + function addToContainerChain(next) { + if (lastContainer) { + lastContainer.nextContainer = next; + } + lastContainer = next; } - function cloneSignature(sig) { - return createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasLiteralTypes); + function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { + return declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); } - function getDefaultConstructSignatures(classType) { - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - var baseSignatures = getSignaturesOfType(baseConstructorType, 1); - if (baseSignatures.length === 0) { - return [createSignature(undefined, classType.localTypeParameters, undefined, emptyArray, classType, undefined, 0, false, false)]; + function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { + switch (container.kind) { + case 226: + return declareModuleMember(node, symbolFlags, symbolExcludes); + case 256: + return declareSourceFileMember(node, symbolFlags, symbolExcludes); + case 193: + case 222: + return declareClassMember(node, symbolFlags, symbolExcludes); + case 225: + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + case 160: + case 172: + case 223: + case 265: + case 281: + return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + case 157: + case 158: + case 152: + case 153: + case 154: + case 148: + case 147: + case 149: + case 150: + case 151: + case 221: + case 180: + case 181: + case 269: + case 224: + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } - var baseTypeNode = getBaseTypeNodeOfClass(classType); - var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNodeNoAlias); - var typeArgCount = typeArguments ? typeArguments.length : 0; - var result = []; - for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { - var baseSig = baseSignatures_1[_i]; - var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; - if (typeParamCount === typeArgCount) { - var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); - sig.typeParameters = classType.localTypeParameters; - sig.resolvedReturnType = classType; - result.push(sig); + } + function declareClassMember(node, symbolFlags, symbolExcludes) { + return ts.hasModifier(node, 32) + ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) + : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + } + function declareSourceFileMember(node, symbolFlags, symbolExcludes) { + return ts.isExternalModule(file) + ? declareModuleMember(node, symbolFlags, symbolExcludes) + : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); + } + function hasExportDeclarations(node) { + var body = node.kind === 256 ? node : node.body; + if (body && (body.kind === 256 || body.kind === 227)) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var stat = _a[_i]; + if (stat.kind === 237 || stat.kind === 236) { + return true; + } } } - return result; + return false; } - function findMatchingSignature(signatureList, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes) { - for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { - var s = signatureList_1[_i]; - if (compareSignaturesIdentical(s, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypesIdentical)) { - return s; - } + function setExportContextFlag(node) { + if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { + node.flags |= 32; + } + else { + node.flags &= ~32; } } - function findMatchingSignatures(signatureLists, signature, listIndex) { - if (signature.typeParameters) { - if (listIndex > 0) { - return undefined; + function bindModuleDeclaration(node) { + setExportContextFlag(node); + if (ts.isAmbientModule(node)) { + if (ts.hasModifier(node, 1)) { + errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); } - for (var i = 1; i < signatureLists.length; i++) { - if (!findMatchingSignature(signatureLists[i], signature, false, false, false)) { - return undefined; + if (ts.isExternalModuleAugmentation(node)) { + declareSymbolAndAddToSymbolTable(node, 1024, 0); + } + else { + var pattern = void 0; + if (node.name.kind === 9) { + var text = node.name.text; + if (ts.hasZeroOrOneAsteriskCharacter(text)) { + pattern = ts.tryParsePattern(text); + } + else { + errorOnFirstToken(node.name, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, text); + } + } + var symbol = declareSymbolAndAddToSymbolTable(node, 512, 106639); + if (pattern) { + (file.patternAmbientModules || (file.patternAmbientModules = [])).push({ pattern: pattern, symbol: symbol }); } } - return [signature]; } - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true, true); - if (!match) { - return undefined; + else { + var state = getModuleInstanceState(node); + if (state === 0) { + declareSymbolAndAddToSymbolTable(node, 1024, 0); } - if (!ts.contains(result, match)) { - (result || (result = [])).push(match); + else { + declareSymbolAndAddToSymbolTable(node, 512, 106639); + if (node.symbol.flags & (16 | 32 | 256)) { + node.symbol.constEnumOnlyModule = false; + } + else { + var currentModuleIsConstEnumOnly = state === 2; + if (node.symbol.constEnumOnlyModule === undefined) { + node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; + } + else { + node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; + } + } } } - return result; } - function getUnionSignatures(types, kind) { - var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { - var signature = _a[_i]; - if (!result || !findMatchingSignature(result, signature, false, true, true)) { - var unionSignatures = findMatchingSignatures(signatureLists, signature, i); - if (unionSignatures) { - var s = signature; - if (unionSignatures.length > 1) { - s = cloneSignature(signature); - if (ts.forEach(unionSignatures, function (sig) { return sig.thisParameter; })) { - var thisType = getUnionType(ts.map(unionSignatures, function (sig) { return getTypeOfSymbol(sig.thisParameter) || anyType; }), true); - s.thisParameter = createTransientSymbol(signature.thisParameter, thisType); - } - s.resolvedReturnType = undefined; - s.unionSignatures = unionSignatures; - } - (result || (result = [])).push(s); - } + function bindFunctionOrConstructorType(node) { + var symbol = createSymbol(131072, getDeclarationName(node)); + addDeclarationToSymbol(symbol, node, 131072); + var typeLiteralSymbol = createSymbol(2048, "__type"); + addDeclarationToSymbol(typeLiteralSymbol, node, 2048); + typeLiteralSymbol.members = ts.createMap(); + typeLiteralSymbol.members[symbol.name] = symbol; + } + function bindObjectLiteralExpression(node) { + if (inStrictMode) { + var seen = ts.createMap(); + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.name.kind !== 70) { + continue; + } + var identifier = prop.name; + var currentKind = prop.kind === 253 || prop.kind === 254 || prop.kind === 148 + ? 1 + : 2; + var existingKind = seen[identifier.text]; + if (!existingKind) { + seen[identifier.text] = currentKind; + continue; + } + if (currentKind === 1 && existingKind === 1) { + var span_1 = ts.getErrorSpanForNode(file, identifier); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_1.start, span_1.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); } } } - return result || emptyArray; - } - function getUnionIndexInfo(types, kind) { - var indexTypes = []; - var isAnyReadonly = false; - for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { - var type = types_1[_i]; - var indexInfo = getIndexInfoOfType(type, kind); - if (!indexInfo) { - return undefined; - } - indexTypes.push(indexInfo.type); - isAnyReadonly = isAnyReadonly || indexInfo.isReadonly; - } - return createIndexInfo(getUnionType(indexTypes, true), isAnyReadonly); + return bindAnonymousDeclaration(node, 4096, "__object"); } - function resolveUnionTypeMembers(type) { - var callSignatures = getUnionSignatures(type.types, 0); - var constructSignatures = getUnionSignatures(type.types, 1); - var stringIndexInfo = getUnionIndexInfo(type.types, 0); - var numberIndexInfo = getUnionIndexInfo(type.types, 1); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + function bindAnonymousDeclaration(node, symbolFlags, name) { + var symbol = createSymbol(symbolFlags, name); + addDeclarationToSymbol(symbol, node, symbolFlags); } - function intersectTypes(type1, type2) { - return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { + switch (blockScopeContainer.kind) { + case 226: + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + case 256: + if (ts.isExternalModule(container)) { + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + } + default: + if (!blockScopeContainer.locals) { + blockScopeContainer.locals = ts.createMap(); + addToContainerChain(blockScopeContainer); + } + declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + } } - function intersectIndexInfos(info1, info2) { - return !info1 ? info2 : !info2 ? info1 : createIndexInfo(getIntersectionType([info1.type, info2.type]), info1.isReadonly && info2.isReadonly); + function bindBlockScopedVariableDeclaration(node) { + bindBlockScopedDeclaration(node, 2, 107455); } - function resolveIntersectionTypeMembers(type) { - var callSignatures = emptyArray; - var constructSignatures = emptyArray; - var stringIndexInfo = undefined; - var numberIndexInfo = undefined; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); - stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0)); - numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1)); + function checkStrictModeIdentifier(node) { + if (inStrictMode && + node.originalKeywordKind >= 107 && + node.originalKeywordKind <= 115 && + !ts.isIdentifierName(node) && + !ts.isInAmbientContext(node)) { + if (!file.parseDiagnostics.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); + } } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } - function resolveAnonymousTypeMembers(type) { - var symbol = type.symbol; - if (type.target) { - var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); - var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); - var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); - var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0), type.mapper); - var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + function getStrictModeIdentifierMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; } - else if (symbol.flags & 2048) { - var members = symbol.members; - var callSignatures = getSignaturesOfSymbol(members["__call"]); - var constructSignatures = getSignaturesOfSymbol(members["__new"]); - var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0); - var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + if (file.externalModuleIndicator) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; } - else { - var members = emptySymbols; - var constructSignatures = emptyArray; - if (symbol.flags & 1952) { - members = getExportsOfSymbol(symbol); - } - if (symbol.flags & 32) { - var classType = getDeclaredTypeOfClassOrInterface(symbol); - constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); - if (!constructSignatures.length) { - constructSignatures = getDefaultConstructSignatures(classType); - } - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 2588672) { - members = createSymbolTable(getNamedMembers(members)); - addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); - } - } - var numberIndexInfo = symbol.flags & 384 ? enumNumberIndexInfo : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); - if (symbol.flags & (16 | 8192)) { - type.callSignatures = getSignaturesOfSymbol(symbol); - } + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + } + function checkStrictModeBinaryExpression(node) { + if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + checkStrictModeEvalOrArguments(node, node.left); } } - function resolveStructuredTypeMembers(type) { - if (!type.members) { - if (type.flags & 131072) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (32768 | 65536)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 2097152) { - resolveAnonymousTypeMembers(type); - } - else if (type.flags & 524288) { - resolveUnionTypeMembers(type); - } - else if (type.flags & 1048576) { - resolveIntersectionTypeMembers(type); - } + function checkStrictModeCatchClause(node) { + if (inStrictMode && node.variableDeclaration) { + checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); } - return type; } - function getPropertiesOfObjectType(type) { - if (type.flags & 2588672) { - return resolveStructuredTypeMembers(type).properties; + function checkStrictModeDeleteExpression(node) { + if (inStrictMode && node.expression.kind === 70) { + var span_2 = ts.getErrorSpanForNode(file, node.expression); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_2.start, span_2.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); } - return emptyArray; } - function getPropertyOfObjectType(type, name) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - var symbol = resolved.members[name]; - if (symbol && symbolIsValue(symbol)) { - return symbol; + function isEvalOrArgumentsIdentifier(node) { + return node.kind === 70 && + (node.text === "eval" || node.text === "arguments"); + } + function checkStrictModeEvalOrArguments(contextNode, name) { + if (name && name.kind === 70) { + var identifier = name; + if (isEvalOrArgumentsIdentifier(identifier)) { + var span_3 = ts.getErrorSpanForNode(file, name); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_3.start, span_3.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); } } } - function getPropertiesOfUnionOrIntersectionType(type) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var current = _a[_i]; - for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { - var prop = _c[_b]; - getUnionOrIntersectionProperty(type, prop.name); - } - if (type.flags & 524288) { - break; - } + function getStrictModeEvalOrArgumentsMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; } - var props = type.resolvedProperties; - if (props) { - var result = []; - for (var key in props) { - var prop = props[key]; - if (!(prop.flags & 268435456 && prop.isPartial)) { - result.push(prop); - } - } - return result; + if (file.externalModuleIndicator) { + return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; } - return emptyArray; - } - function getPropertiesOfType(type) { - type = getApparentType(type); - return type.flags & 1572864 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; } - function getApparentTypeOfTypeParameter(type) { - if (!type.resolvedApparentType) { - var constraintType = getConstraintOfTypeParameter(type); - while (constraintType && constraintType.flags & 16384) { - constraintType = getConstraintOfTypeParameter(constraintType); - } - type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); + function checkStrictModeFunctionName(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); } - return type.resolvedApparentType; } - function getApparentType(type) { - if (type.flags & 16384) { - type = getApparentTypeOfTypeParameter(type); + function getStrictModeBlockScopeFunctionDeclarationMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode; } - if (type.flags & 34) { - type = globalStringType; + if (file.externalModuleIndicator) { + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode; } - else if (type.flags & 340) { - type = globalNumberType; + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5; + } + function checkStrictModeFunctionDeclaration(node) { + if (languageVersion < 2) { + if (blockScopeContainer.kind !== 256 && + blockScopeContainer.kind !== 226 && + !ts.isFunctionLike(blockScopeContainer)) { + var errorSpan = ts.getErrorSpanForNode(file, node); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, errorSpan.start, errorSpan.length, getStrictModeBlockScopeFunctionDeclarationMessage(node))); + } } - else if (type.flags & 136) { - type = globalBooleanType; + } + function checkStrictModeNumericLiteral(node) { + if (inStrictMode && node.isOctalLiteral) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); } - else if (type.flags & 512) { - type = getGlobalESSymbolType(); + } + function checkStrictModePostfixUnaryExpression(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.operand); } - return type; } - function createUnionOrIntersectionProperty(containingType, name) { - var types = containingType.types; - var props; - var commonFlags = (containingType.flags & 1048576) ? 536870912 : 0; - var isReadonly = false; - var isPartial = false; - for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { - var current = types_2[_i]; - var type = getApparentType(current); - if (type !== unknownType) { - var prop = getPropertyOfType(type, name); - if (prop && !(getDeclarationModifierFlagsFromSymbol(prop) & (8 | 16))) { - commonFlags &= prop.flags; - if (!props) { - props = [prop]; - } - else if (!ts.contains(props, prop)) { - props.push(prop); - } - if (isReadonlySymbol(prop)) { - isReadonly = true; - } - } - else if (containingType.flags & 524288) { - isPartial = true; - } + function checkStrictModePrefixUnaryExpression(node) { + if (inStrictMode) { + if (node.operator === 42 || node.operator === 43) { + checkStrictModeEvalOrArguments(node, node.operand); } } - if (!props) { - return undefined; + } + function checkStrictModeWithStatement(node) { + if (inStrictMode) { + errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); } - if (props.length === 1 && !isPartial) { - return props[0]; + } + function errorOnFirstToken(node, message, arg0, arg1, arg2) { + var span = ts.getSpanOfTokenAtPosition(file, node.pos); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + } + function getDestructuringParameterName(node) { + return "__" + ts.indexOf(node.parent.parameters, node); + } + function bind(node) { + if (!node) { + return; } - var propTypes = []; - var declarations = []; - var commonType = undefined; - var hasNonUniformType = false; - for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { - var prop = props_1[_a]; - if (prop.declarations) { - ts.addRange(declarations, prop.declarations); - } - var type = getTypeOfSymbol(prop); - if (!commonType) { - commonType = type; + node.parent = parent; + var saveInStrictMode = inStrictMode; + bindWorker(node); + if (node.kind > 139) { + var saveParent = parent; + parent = node; + var containerFlags = getContainerFlags(node); + if (containerFlags === 0) { + bindChildren(node); } - else if (type !== commonType) { - hasNonUniformType = true; + else { + bindContainer(node, containerFlags); } - propTypes.push(type); + parent = saveParent; } - var result = createSymbol(4 | 67108864 | 268435456 | commonFlags, name); - result.containingType = containingType; - result.hasNonUniformType = hasNonUniformType; - result.isPartial = isPartial; - result.declarations = declarations; - result.isReadonly = isReadonly; - result.type = containingType.flags & 524288 ? getUnionType(propTypes) : getIntersectionType(propTypes); - return result; + else if (!skipTransformFlagAggregation && (node.transformFlags & 536870912) === 0) { + subtreeTransformFlags |= computeTransformFlagsForNode(node, 0); + } + inStrictMode = saveInStrictMode; } - function getUnionOrIntersectionProperty(type, name) { - var properties = type.resolvedProperties || (type.resolvedProperties = ts.createMap()); - var property = properties[name]; - if (!property) { - property = createUnionOrIntersectionProperty(type, name); - if (property) { - properties[name] = property; + function updateStrictModeStatementList(statements) { + if (!inStrictMode) { + for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { + var statement = statements_1[_i]; + if (!ts.isPrologueDirective(statement)) { + return; + } + if (isUseStrictPrologueDirective(statement)) { + inStrictMode = true; + return; + } } } - return property; } - function getPropertyOfUnionOrIntersectionType(type, name) { - var property = getUnionOrIntersectionProperty(type, name); - return property && !(property.flags & 268435456 && property.isPartial) ? property : undefined; + function isUseStrictPrologueDirective(node) { + var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); + return nodeText === '"use strict"' || nodeText === "'use strict'"; } - function getPropertyOfType(type, name) { - type = getApparentType(type); - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - var symbol = resolved.members[name]; - if (symbol && symbolIsValue(symbol)) { - return symbol; - } - if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { - var symbol_1 = getPropertyOfObjectType(globalFunctionType, name); - if (symbol_1) { - return symbol_1; + function bindWorker(node) { + switch (node.kind) { + case 70: + if (node.isInJSDocNamespace) { + var parentNode = node.parent; + while (parentNode && parentNode.kind !== 279) { + parentNode = parentNode.parent; + } + bindBlockScopedDeclaration(parentNode, 524288, 793064); + break; } - } - return getPropertyOfObjectType(globalObjectType, name); - } - if (type.flags & 1572864) { - return getPropertyOfUnionOrIntersectionType(type, name); + case 98: + if (currentFlow && (ts.isExpression(node) || parent.kind === 254)) { + node.flowNode = currentFlow; + } + return checkStrictModeIdentifier(node); + case 173: + if (currentFlow && isNarrowableReference(node)) { + node.flowNode = currentFlow; + } + break; + case 188: + if (ts.isInJavaScriptFile(node)) { + var specialKind = ts.getSpecialPropertyAssignmentKind(node); + switch (specialKind) { + case 1: + bindExportsPropertyAssignment(node); + break; + case 2: + bindModuleExportsAssignment(node); + break; + case 3: + bindPrototypePropertyAssignment(node); + break; + case 4: + bindThisPropertyAssignment(node); + break; + case 0: + break; + default: + ts.Debug.fail("Unknown special property assignment kind"); + } + } + return checkStrictModeBinaryExpression(node); + case 252: + return checkStrictModeCatchClause(node); + case 182: + return checkStrictModeDeleteExpression(node); + case 8: + return checkStrictModeNumericLiteral(node); + case 187: + return checkStrictModePostfixUnaryExpression(node); + case 186: + return checkStrictModePrefixUnaryExpression(node); + case 213: + return checkStrictModeWithStatement(node); + case 166: + seenThisKeyword = true; + return; + case 155: + return checkTypePredicate(node); + case 142: + return declareSymbolAndAddToSymbolTable(node, 262144, 530920); + case 143: + return bindParameter(node); + case 219: + case 170: + return bindVariableDeclarationOrBindingElement(node); + case 146: + case 145: + case 266: + return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 0); + case 280: + return bindJSDocProperty(node); + case 253: + case 254: + return bindPropertyOrMethodOrAccessor(node, 4, 0); + case 255: + return bindPropertyOrMethodOrAccessor(node, 8, 900095); + case 247: + emitFlags |= 16384; + return; + case 152: + case 153: + case 154: + return declareSymbolAndAddToSymbolTable(node, 131072, 0); + case 148: + case 147: + return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 0 : 99263); + case 221: + return bindFunctionDeclaration(node); + case 149: + return declareSymbolAndAddToSymbolTable(node, 16384, 0); + case 150: + return bindPropertyOrMethodOrAccessor(node, 32768, 41919); + case 151: + return bindPropertyOrMethodOrAccessor(node, 65536, 74687); + case 157: + case 158: + case 269: + return bindFunctionOrConstructorType(node); + case 160: + case 281: + case 265: + return bindAnonymousDeclaration(node, 2048, "__type"); + case 172: + return bindObjectLiteralExpression(node); + case 180: + case 181: + return bindFunctionExpression(node); + case 175: + if (ts.isInJavaScriptFile(node)) { + bindCallExpression(node); + } + break; + case 193: + case 222: + inStrictMode = true; + return bindClassLikeDeclaration(node); + case 223: + return bindBlockScopedDeclaration(node, 64, 792968); + case 279: + if (!node.fullName || node.fullName.kind === 70) { + return bindBlockScopedDeclaration(node, 524288, 793064); + } + break; + case 224: + return bindBlockScopedDeclaration(node, 524288, 793064); + case 225: + return bindEnumDeclaration(node); + case 226: + return bindModuleDeclaration(node); + case 230: + case 233: + case 235: + case 239: + return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + case 229: + return bindNamespaceExportDeclaration(node); + case 232: + return bindImportClause(node); + case 237: + return bindExportDeclaration(node); + case 236: + return bindExportAssignment(node); + case 256: + updateStrictModeStatementList(node.statements); + return bindSourceFileIfExternalModule(); + case 200: + if (!ts.isFunctionLike(node.parent)) { + return; + } + case 227: + return updateStrictModeStatementList(node.statements); } - return undefined; } - function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 4161536) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; + function checkTypePredicate(node) { + var parameterName = node.parameterName, type = node.type; + if (parameterName && parameterName.kind === 70) { + checkStrictModeIdentifier(parameterName); + } + if (parameterName && parameterName.kind === 166) { + seenThisKeyword = true; } - return emptyArray; - } - function getSignaturesOfType(type, kind) { - return getSignaturesOfStructuredType(getApparentType(type), kind); + bind(type); } - function getIndexInfoOfStructuredType(type, kind) { - if (type.flags & 4161536) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.stringIndexInfo : resolved.numberIndexInfo; + function bindSourceFileIfExternalModule() { + setExportContextFlag(file); + if (ts.isExternalModule(file)) { + bindSourceFileAsExternalModule(); } } - function getIndexTypeOfStructuredType(type, kind) { - var info = getIndexInfoOfStructuredType(type, kind); - return info && info.type; - } - function getIndexInfoOfType(type, kind) { - return getIndexInfoOfStructuredType(getApparentType(type), kind); + function bindSourceFileAsExternalModule() { + bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); } - function getIndexTypeOfType(type, kind) { - return getIndexTypeOfStructuredType(getApparentType(type), kind); + function bindExportAssignment(node) { + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); + } + else { + var flags = node.kind === 236 && ts.exportAssignmentIsAlias(node) + ? 8388608 + : 4; + declareSymbol(container.symbol.exports, container.symbol, node, flags, 4 | 8388608 | 32 | 16); + } } - function getImplicitIndexTypeOfType(type, kind) { - if (isObjectLiteralType(type)) { - var propTypes = []; - for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) { - var prop = _a[_i]; - if (kind === 0 || isNumericLiteralName(prop.name)) { - propTypes.push(getTypeOfSymbol(prop)); - } + function bindNamespaceExportDeclaration(node) { + if (node.modifiers && node.modifiers.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Modifiers_cannot_appear_here)); + } + if (node.parent.kind !== 256) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_at_top_level)); + return; + } + else { + var parent_7 = node.parent; + if (!ts.isExternalModule(parent_7)) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_module_files)); + return; } - if (propTypes.length) { - return getUnionType(propTypes, true); + if (!parent_7.isDeclarationFile) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_declaration_files)); + return; } } - return undefined; + file.symbol.globalExports = file.symbol.globalExports || ts.createMap(); + declareSymbol(file.symbol.globalExports, file.symbol, node, 8388608, 8388608); } - function getTypeParametersFromJSDocTemplate(declaration) { - if (declaration.flags & 1048576) { - var templateTag = ts.getJSDocTemplateTag(declaration); - if (templateTag) { - return getTypeParametersFromDeclaration(templateTag.typeParameters); - } + function bindExportDeclaration(node) { + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); + } + else if (!node.exportClause) { + declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); } - return undefined; } - function getTypeParametersFromDeclaration(typeParameterDeclarations) { - var result = []; - ts.forEach(typeParameterDeclarations, function (node) { - var tp = getDeclaredTypeOfTypeParameter(node.symbol); - if (!ts.contains(result, tp)) { - result.push(tp); - } - }); - return result; + function bindImportClause(node) { + if (node.name) { + declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + } } - function symbolsToArray(symbols) { - var result = []; - for (var id in symbols) { - if (!isReservedMemberName(id)) { - result.push(symbols[id]); + function setCommonJsModuleIndicator(node) { + if (!file.commonJsModuleIndicator) { + file.commonJsModuleIndicator = node; + if (!file.externalModuleIndicator) { + bindSourceFileAsExternalModule(); } } - return result; } - function isJSDocOptionalParameter(node) { - if (node.flags & 1048576) { - if (node.type && node.type.kind === 268) { - return true; - } - var paramTag = ts.getCorrespondingJSDocParameterTag(node); - if (paramTag) { - if (paramTag.isBracketed) { - return true; - } - if (paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 268; - } + function bindExportsPropertyAssignment(node) { + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); + } + function bindModuleExportsAssignment(node) { + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node, 4 | 7340032 | 512, 0); + } + function bindThisPropertyAssignment(node) { + ts.Debug.assert(ts.isInJavaScriptFile(node)); + if (container.kind === 221 || container.kind === 180) { + container.symbol.members = container.symbol.members || ts.createMap(); + declareSymbol(container.symbol.members, container.symbol, node, 4, 0 & ~4); + } + else if (container.kind === 149) { + var saveContainer = container; + container = container.parent; + var symbol = bindPropertyOrMethodOrAccessor(node, 4, 0); + if (symbol) { + symbol.isReplaceableByMethod = true; } + container = saveContainer; } } - function isOptionalParameter(node) { - if (ts.hasQuestionToken(node) || isJSDocOptionalParameter(node)) { - return true; + function bindPrototypePropertyAssignment(node) { + var leftSideOfAssignment = node.left; + var classPrototype = leftSideOfAssignment.expression; + var constructorFunction = classPrototype.expression; + leftSideOfAssignment.parent = node; + constructorFunction.parent = classPrototype; + classPrototype.parent = leftSideOfAssignment; + var funcSymbol = container.locals[constructorFunction.text]; + if (!funcSymbol || !(funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { + return; } - if (node.initializer) { - var signatureDeclaration = node.parent; - var signature = getSignatureFromDeclaration(signatureDeclaration); - var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); - ts.Debug.assert(parameterIndex >= 0); - return parameterIndex >= signature.minArgumentCount; + if (!funcSymbol.members) { + funcSymbol.members = ts.createMap(); } - return false; + declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 0); } - function createTypePredicateFromTypePredicateNode(node) { - if (node.parameterName.kind === 70) { - var parameterName = node.parameterName; - return { - kind: 1, - parameterName: parameterName ? parameterName.text : undefined, - parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, - type: getTypeFromTypeNode(node.type) - }; + function bindCallExpression(node) { + if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { + setCommonJsModuleIndicator(node); + } + } + function bindClassLikeDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { + emitFlags |= 1024; + } + if (ts.nodeIsDecorated(node)) { + emitFlags |= 2048; + } + } + if (node.kind === 222) { + bindBlockScopedDeclaration(node, 32, 899519); } else { - return { - kind: 0, - type: getTypeFromTypeNode(node.type) - }; + var bindingName = node.name ? node.name.text : "__class"; + bindAnonymousDeclaration(node, 32, bindingName); + if (node.name) { + classifiableNames[node.name.text] = node.name.text; + } } - } - function getSignatureFromDeclaration(declaration) { - var links = getNodeLinks(declaration); - if (!links.resolvedSignature) { - var parameters = []; - var hasLiteralTypes = false; - var minArgumentCount = -1; - var thisParameter = undefined; - var hasThisParameter = void 0; - var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); - for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { - var param = declaration.parameters[i]; - var paramSymbol = param.symbol; - if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { - var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); - paramSymbol = resolvedSymbol; - } - if (i === 0 && paramSymbol.name === "this") { - hasThisParameter = true; - thisParameter = param.symbol; - } - else { - parameters.push(paramSymbol); - } - if (param.type && param.type.kind === 167) { - hasLiteralTypes = true; - } - if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { - if (minArgumentCount < 0) { - minArgumentCount = i - (hasThisParameter ? 1 : 0); - } - } - else { - minArgumentCount = -1; - } + var symbol = node.symbol; + var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); + if (symbol.exports[prototypeSymbol.name]) { + if (node.name) { + node.name.parent = node; } - if ((declaration.kind === 150 || declaration.kind === 151) && - !ts.hasDynamicName(declaration) && - (!hasThisParameter || !thisParameter)) { - var otherKind = declaration.kind === 150 ? 151 : 150; - var other = ts.getDeclarationOfKind(declaration.symbol, otherKind); - if (other) { - thisParameter = getAnnotatedAccessorThisParameter(other); - } + file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + } + symbol.exports[prototypeSymbol.name] = prototypeSymbol; + prototypeSymbol.parent = symbol; + } + function bindEnumDeclaration(node) { + return ts.isConst(node) + ? bindBlockScopedDeclaration(node, 128, 899967) + : bindBlockScopedDeclaration(node, 256, 899327); + } + function bindVariableDeclarationOrBindingElement(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (!ts.isBindingPattern(node.name)) { + if (ts.isBlockOrCatchScoped(node)) { + bindBlockScopedVariableDeclaration(node); } - if (minArgumentCount < 0) { - minArgumentCount = declaration.parameters.length - (hasThisParameter ? 1 : 0); + else if (ts.isParameterDeclaration(node)) { + declareSymbolAndAddToSymbolTable(node, 1, 107455); } - if (isJSConstructSignature) { - minArgumentCount--; + else { + declareSymbolAndAddToSymbolTable(node, 1, 107454); } - var classType = declaration.kind === 149 ? - getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) - : undefined; - var typeParameters = classType ? classType.localTypeParameters : - declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : - getTypeParametersFromJSDocTemplate(declaration); - var returnType = getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType); - var typePredicate = declaration.type && declaration.type.kind === 155 ? - createTypePredicateFromTypePredicateNode(declaration.type) : - undefined; - links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasLiteralTypes); } - return links.resolvedSignature; } - function getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType) { - if (isJSConstructSignature) { - return getTypeFromTypeNode(declaration.parameters[0].type); + function bindParameter(node) { + if (!ts.isDeclarationFile(file) && + !ts.isInAmbientContext(node) && + ts.nodeIsDecorated(node)) { + emitFlags |= (2048 | 4096); } - else if (classType) { - return classType; + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); } - else if (declaration.type) { - return getTypeFromTypeNode(declaration.type); + if (ts.isBindingPattern(node.name)) { + bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); } - if (declaration.flags & 1048576) { - var type = getReturnTypeFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; + else { + declareSymbolAndAddToSymbolTable(node, 1, 107455); + } + if (ts.isParameterPropertyDeclaration(node)) { + var classDeclaration = node.parent.parent; + declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 | (node.questionToken ? 536870912 : 0), 0); + } + } + function bindFunctionDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + emitFlags |= 8192; } } - if (declaration.kind === 150 && !ts.hasDynamicName(declaration)) { - var setter = ts.getDeclarationOfKind(declaration.symbol, 151); - return getAnnotatedAccessorType(setter); + checkStrictModeFunctionName(node); + if (inStrictMode) { + checkStrictModeFunctionDeclaration(node); + bindBlockScopedDeclaration(node, 16, 106927); } - if (ts.nodeIsMissing(declaration.body)) { - return anyType; + else { + declareSymbolAndAddToSymbolTable(node, 16, 106927); } } - function getSignaturesOfSymbol(symbol) { - if (!symbol) - return emptyArray; - var result = []; - for (var i = 0, len = symbol.declarations.length; i < len; i++) { - var node = symbol.declarations[i]; - switch (node.kind) { - case 157: - case 158: - case 221: - case 148: - case 147: - case 149: - case 152: - case 153: - case 154: - case 150: - case 151: - case 180: - case 181: - case 269: - if (i > 0 && node.body) { - var previous = symbol.declarations[i - 1]; - if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { - break; - } - } - result.push(getSignatureFromDeclaration(node)); + function bindFunctionExpression(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + emitFlags |= 8192; } } - return result; + if (currentFlow) { + node.flowNode = currentFlow; + } + checkStrictModeFunctionName(node); + var bindingName = node.name ? node.name.text : "__function"; + return bindAnonymousDeclaration(node, 16, bindingName); } - function resolveExternalModuleTypeByLiteral(name) { - var moduleSym = resolveExternalModuleName(name, name); - if (moduleSym) { - var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); - if (resolvedModuleSymbol) { - return getTypeOfSymbol(resolvedModuleSymbol); + function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + emitFlags |= 8192; + } + if (ts.nodeIsDecorated(node)) { + emitFlags |= 2048; } } - return anyType; + if (currentFlow && ts.isObjectLiteralOrClassExpressionMethod(node)) { + node.flowNode = currentFlow; + } + return ts.hasDynamicName(node) + ? bindAnonymousDeclaration(node, symbolFlags, "__computed") + : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + function bindJSDocProperty(node) { + return declareSymbolAndAddToSymbolTable(node, 4, 0); + } + function shouldReportErrorOnModuleDeclaration(node) { + var instanceState = getModuleInstanceState(node); + return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); + } + function checkUnreachable(node) { + if (!(currentFlow.flags & 1)) { + return false; + } + if (currentFlow === unreachableFlow) { + var reportError = (ts.isStatementButNotDeclaration(node) && node.kind !== 202) || + node.kind === 222 || + (node.kind === 226 && shouldReportErrorOnModuleDeclaration(node)) || + (node.kind === 225 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); + if (reportError) { + currentFlow = reportedUnreachableFlow; + var reportUnreachableCode = !options.allowUnreachableCode && + !ts.isInAmbientContext(node) && + (node.kind !== 201 || + ts.getCombinedNodeFlags(node.declarationList) & 3 || + ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); + if (reportUnreachableCode) { + errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + } + } + } + return true; + } + } + function computeTransformFlagsForNode(node, subtreeFlags) { + var kind = node.kind; + switch (kind) { + case 175: + return computeCallExpression(node, subtreeFlags); + case 176: + return computeNewExpression(node, subtreeFlags); + case 226: + return computeModuleDeclaration(node, subtreeFlags); + case 179: + return computeParenthesizedExpression(node, subtreeFlags); + case 188: + return computeBinaryExpression(node, subtreeFlags); + case 203: + return computeExpressionStatement(node, subtreeFlags); + case 143: + return computeParameter(node, subtreeFlags); + case 181: + return computeArrowFunction(node, subtreeFlags); + case 180: + return computeFunctionExpression(node, subtreeFlags); + case 221: + return computeFunctionDeclaration(node, subtreeFlags); + case 219: + return computeVariableDeclaration(node, subtreeFlags); + case 220: + return computeVariableDeclarationList(node, subtreeFlags); + case 201: + return computeVariableStatement(node, subtreeFlags); + case 215: + return computeLabeledStatement(node, subtreeFlags); + case 222: + return computeClassDeclaration(node, subtreeFlags); + case 193: + return computeClassExpression(node, subtreeFlags); + case 251: + return computeHeritageClause(node, subtreeFlags); + case 252: + return computeCatchClause(node, subtreeFlags); + case 195: + return computeExpressionWithTypeArguments(node, subtreeFlags); + case 149: + return computeConstructor(node, subtreeFlags); + case 146: + return computePropertyDeclaration(node, subtreeFlags); + case 148: + return computeMethod(node, subtreeFlags); + case 150: + case 151: + return computeAccessor(node, subtreeFlags); + case 230: + return computeImportEquals(node, subtreeFlags); + case 173: + return computePropertyAccess(node, subtreeFlags); + default: + return computeOther(node, kind, subtreeFlags); + } + } + ts.computeTransformFlagsForNode = computeTransformFlagsForNode; + function computeCallExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var expression = node.expression; + var expressionKind = expression.kind; + if (node.typeArguments) { + transformFlags |= 3; + } + if (subtreeFlags & 1048576 + || isSuperOrSuperProperty(expression, expressionKind)) { + transformFlags |= 768; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~537922901; + } + function isSuperOrSuperProperty(node, kind) { + switch (kind) { + case 96: + return true; + case 173: + case 174: + var expression = node.expression; + var expressionKind = expression.kind; + return expressionKind === 96; + } + return false; + } + function computeNewExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.typeArguments) { + transformFlags |= 3; + } + if (subtreeFlags & 1048576) { + transformFlags |= 768; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~537922901; + } + function computeBinaryExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var operatorTokenKind = node.operatorToken.kind; + var leftKind = node.left.kind; + if (operatorTokenKind === 57 + && (leftKind === 172 + || leftKind === 171)) { + transformFlags |= 768 | 1024; } - function getThisTypeOfSignature(signature) { - if (signature.thisParameter) { - return getTypeOfSymbol(signature.thisParameter); - } + else if (operatorTokenKind === 39 + || operatorTokenKind === 61) { + transformFlags |= 192; } - function getReturnTypeOfSignature(signature) { - if (!signature.resolvedReturnType) { - if (!pushTypeResolution(signature, 3)) { - return unknownType; - } - var type = void 0; - if (signature.target) { - type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); - } - else if (signature.unionSignatures) { - type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature), true); - } - else { - type = getReturnTypeFromBody(signature.declaration); - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var declaration = signature.declaration; - if (declaration.name) { - error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); - } - else { - error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); - } - } - } - signature.resolvedReturnType = type; - } - return signature.resolvedReturnType; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeParameter(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var modifierFlags = ts.getModifierFlags(node); + var name = node.name; + var initializer = node.initializer; + var dotDotDotToken = node.dotDotDotToken; + if (node.questionToken + || node.type + || subtreeFlags & 8192 + || ts.isThisIdentifier(name)) { + transformFlags |= 3; } - function getRestTypeOfSignature(signature) { - if (signature.hasRestParameter) { - var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 131072 && type.target === globalArrayType) { - return type.typeArguments[0]; - } - } - return anyType; + if (modifierFlags & 92) { + transformFlags |= 3 | 524288; } - function getSignatureInstantiation(signature, typeArguments) { - return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); + if (subtreeFlags & 8388608 || initializer || dotDotDotToken) { + transformFlags |= 768 | 262144; } - function getErasedSignature(signature) { - if (!signature.typeParameters) - return signature; - if (!signature.erasedSignatureCache) { - signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); - } - return signature.erasedSignatureCache; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~545262933; + } + function computeParenthesizedExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var expression = node.expression; + var expressionKind = expression.kind; + var expressionTransformFlags = expression.transformFlags; + if (expressionKind === 196 + || expressionKind === 178) { + transformFlags |= 3; } - function getOrCreateTypeFromSignature(signature) { - if (!signature.isolatedSignatureType) { - var isConstructor = signature.declaration.kind === 149 || signature.declaration.kind === 153; - var type = createObjectType(2097152); - type.members = emptySymbols; - type.properties = emptyArray; - type.callSignatures = !isConstructor ? [signature] : emptyArray; - type.constructSignatures = isConstructor ? [signature] : emptyArray; - signature.isolatedSignatureType = type; - } - return signature.isolatedSignatureType; + if (expressionTransformFlags & 1024) { + transformFlags |= 1024; } - function getIndexSymbol(symbol) { - return symbol.members["__index"]; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeClassDeclaration(node, subtreeFlags) { + var transformFlags; + var modifierFlags = ts.getModifierFlags(node); + if (modifierFlags & 2) { + transformFlags = 3; } - function getIndexDeclarationOfSymbol(symbol, kind) { - var syntaxKind = kind === 1 ? 131 : 133; - var indexSymbol = getIndexSymbol(symbol); - if (indexSymbol) { - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var node = decl; - if (node.parameters.length === 1) { - var parameter = node.parameters[0]; - if (parameter && parameter.type && parameter.type.kind === syntaxKind) { - return node; - } - } - } + else { + transformFlags = subtreeFlags | 768; + if ((subtreeFlags & 548864) + || (modifierFlags & 1) + || node.typeParameters) { + transformFlags |= 3; + } + if (subtreeFlags & 131072) { + transformFlags |= 32768; } - return undefined; } - function createIndexInfo(type, isReadonly, declaration) { - return { type: type, isReadonly: isReadonly, declaration: declaration }; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~539749717; + } + function computeClassExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (subtreeFlags & 548864 + || node.typeParameters) { + transformFlags |= 3; } - function getIndexInfoOfSymbol(symbol, kind) { - var declaration = getIndexDeclarationOfSymbol(symbol, kind); - if (declaration) { - return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, (ts.getModifierFlags(declaration) & 64) !== 0, declaration); - } - return undefined; + if (subtreeFlags & 131072) { + transformFlags |= 32768; } - function getConstraintDeclaration(type) { - return ts.getDeclarationOfKind(type.symbol, 142).constraint; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~539749717; + } + function computeHeritageClause(node, subtreeFlags) { + var transformFlags = subtreeFlags; + switch (node.token) { + case 84: + transformFlags |= 768; + break; + case 107: + transformFlags |= 3; + break; + default: + ts.Debug.fail("Unexpected token for heritage clause"); + break; } - function hasConstraintReferenceTo(type, target) { - var checked; - while (type && type.flags & 16384 && !(type.isThisType) && !ts.contains(checked, type)) { - if (type === target) { - return true; - } - (checked || (checked = [])).push(type); - var constraintDeclaration = getConstraintDeclaration(type); - type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); - } - return false; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeCatchClause(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.variableDeclaration && ts.isBindingPattern(node.variableDeclaration.name)) { + transformFlags |= 768; } - function getConstraintOfTypeParameter(typeParameter) { - if (!typeParameter.constraint) { - if (typeParameter.target) { - var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); - typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; - } - else { - var constraintDeclaration = getConstraintDeclaration(typeParameter); - var constraint = getTypeFromTypeNode(constraintDeclaration); - if (hasConstraintReferenceTo(constraint, typeParameter)) { - error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); - constraint = unknownType; - } - typeParameter.constraint = constraint; - } - } - return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeExpressionWithTypeArguments(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (node.typeArguments) { + transformFlags |= 3; } - function getParentSymbolOfTypeParameter(typeParameter) { - return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 142).parent); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeConstructor(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (ts.hasModifier(node, 2270) + || !node.body) { + transformFlags |= 3; } - function getTypeListId(types) { - var result = ""; - if (types) { - var length_3 = types.length; - var i = 0; - while (i < length_3) { - var startId = types[i].id; - var count = 1; - while (i + count < length_3 && types[i + count].id === startId + count) { - count++; - } - if (result.length) { - result += ","; - } - result += startId; - if (count > 1) { - result += ":" + count; - } - i += count; - } - } - return result; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~591760725; + } + function computeMethod(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (node.decorators + || ts.hasModifier(node, 2270) + || node.typeParameters + || node.type + || !node.body) { + transformFlags |= 3; } - function getPropagatingFlagsOfTypes(types, excludeKinds) { - var result = 0; - for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { - var type = types_3[_i]; - if (!(type.flags & excludeKinds)) { - result |= type.flags; - } - } - return result & 234881024; + if (ts.hasModifier(node, 256)) { + transformFlags |= 48; } - function createTypeReference(target, typeArguments) { - var id = getTypeListId(typeArguments); - var type = target.instantiations[id]; - if (!type) { - var propagatedFlags = typeArguments ? getPropagatingFlagsOfTypes(typeArguments, 0) : 0; - var flags = 131072 | propagatedFlags; - type = target.instantiations[id] = createObjectType(flags, target.symbol); - type.target = target; - type.typeArguments = typeArguments; - } - return type; + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + transformFlags |= 6144; } - function cloneTypeReference(source) { - var type = createObjectType(source.flags, source.symbol); - type.target = source.target; - type.typeArguments = source.typeArguments; - return type; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~591760725; + } + function computeAccessor(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.decorators + || ts.hasModifier(node, 2270) + || node.type + || !node.body) { + transformFlags |= 3; } - function getTypeReferenceArity(type) { - return type.target.typeParameters ? type.target.typeParameters.length : 0; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~591760725; + } + function computePropertyDeclaration(node, subtreeFlags) { + var transformFlags = subtreeFlags | 3; + if (node.initializer) { + transformFlags |= 16384; } - function getTypeFromClassOrInterfaceReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(getMergedSymbol(symbol)); - var typeParameters = type.localTypeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); - return unknownType; - } - return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias))); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeFunctionDeclaration(node, subtreeFlags) { + var transformFlags; + var modifierFlags = ts.getModifierFlags(node); + var body = node.body; + if (!body || (modifierFlags & 2)) { + transformFlags = 3; + } + else { + transformFlags = subtreeFlags | 33554432; + if (modifierFlags & 1) { + transformFlags |= 3 | 768; } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); - return unknownType; + if (modifierFlags & 2270 + || node.typeParameters + || node.type) { + transformFlags |= 3; } - return type; - } - function getTypeFromTypeAliasReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var links = getSymbolLinks(symbol); - var typeParameters = links.typeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); - return unknownType; - } - var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias); - var id = getTypeListId(typeArguments); - return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); + if (modifierFlags & 256) { + transformFlags |= 48; } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; + if (subtreeFlags & 327680) { + transformFlags |= 768; } - return type; - } - function getTypeFromNonGenericTypeReference(node, symbol) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + transformFlags |= 6144; } - return getDeclaredTypeOfSymbol(symbol); } - function getTypeReferenceName(node) { - switch (node.kind) { - case 156: - return node.typeName; - case 267: - return node.name; - case 195: - var expr = node.expression; - if (ts.isEntityNameExpression(expr)) { - return expr; - } - } - return undefined; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~592293205; + } + function computeFunctionExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (ts.hasModifier(node, 2270) + || node.typeParameters + || node.type) { + transformFlags |= 3; } - function resolveTypeReferenceName(typeReferenceName) { - if (!typeReferenceName) { - return unknownSymbol; - } - return resolveEntityName(typeReferenceName, 793064) || unknownSymbol; + if (ts.hasModifier(node, 256)) { + transformFlags |= 48; } - function getTypeReferenceType(node, symbol) { - if (symbol === unknownSymbol) { - return unknownType; - } - if (symbol.flags & (32 | 64)) { - return getTypeFromClassOrInterfaceReference(node, symbol); - } - if (symbol.flags & 524288) { - return getTypeFromTypeAliasReference(node, symbol); - } - if (symbol.flags & 107455 && node.kind === 267) { - return getTypeOfSymbol(symbol); - } - return getTypeFromNonGenericTypeReference(node, symbol); + if (subtreeFlags & 327680) { + transformFlags |= 768; } - function getTypeFromTypeReference(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var symbol = void 0; - var type = void 0; - if (node.kind === 267) { - var typeReferenceName = getTypeReferenceName(node); - symbol = resolveTypeReferenceName(typeReferenceName); - type = getTypeReferenceType(node, symbol); - } - else { - var typeNameOrExpression = node.kind === 156 - ? node.typeName - : ts.isEntityNameExpression(node.expression) - ? node.expression - : undefined; - symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793064) || unknownSymbol; - type = symbol === unknownSymbol ? unknownType : - symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : - symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : - getTypeFromNonGenericTypeReference(node, symbol); - } - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - return links.resolvedType; + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + transformFlags |= 6144; } - function getTypeFromTypeQueryNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getWidenedType(checkExpression(node.exprName)); - } - return links.resolvedType; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~592293205; + } + function computeArrowFunction(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (ts.hasModifier(node, 2270) + || node.typeParameters + || node.type) { + transformFlags |= 3; } - function getTypeOfGlobalSymbol(symbol, arity) { - function getTypeDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { - var declaration = declarations_3[_i]; - switch (declaration.kind) { - case 222: - case 223: - case 225: - return declaration; - } - } - } - if (!symbol) { - return arity ? emptyGenericType : emptyObjectType; - } - var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 2588672)) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); - return arity ? emptyGenericType : emptyObjectType; + if (ts.hasModifier(node, 256)) { + transformFlags |= 48; + } + if (subtreeFlags & 32768) { + transformFlags |= 65536; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~592227669; + } + function computePropertyAccess(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var expression = node.expression; + var expressionKind = expression.kind; + if (expressionKind === 96) { + transformFlags |= 32768; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeVariableDeclaration(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var nameKind = node.name.kind; + if (nameKind === 168 || nameKind === 169) { + transformFlags |= 768 | 8388608; + } + if (node.type) { + transformFlags |= 3; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeVariableStatement(node, subtreeFlags) { + var transformFlags; + var modifierFlags = ts.getModifierFlags(node); + var declarationListTransformFlags = node.declarationList.transformFlags; + if (modifierFlags & 2) { + transformFlags = 3; + } + else { + transformFlags = subtreeFlags; + if (modifierFlags & 1) { + transformFlags |= 768 | 3; } - if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); - return arity ? emptyGenericType : emptyObjectType; + if (declarationListTransformFlags & 8388608) { + transformFlags |= 768; } - return type; } - function getGlobalValueSymbol(name) { - return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); - } - function getGlobalTypeSymbol(name) { - return getGlobalSymbol(name, 793064, ts.Diagnostics.Cannot_find_global_type_0); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeLabeledStatement(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (subtreeFlags & 4194304 + && ts.isIterationStatement(node, true)) { + transformFlags |= 768; } - function getGlobalSymbol(name, meaning, diagnostic) { - return resolveName(undefined, name, meaning, diagnostic, name); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeImportEquals(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (!ts.isExternalModuleImportEqualsDeclaration(node)) { + transformFlags |= 3; } - function getGlobalType(name, arity) { - if (arity === void 0) { arity = 0; } - return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeExpressionStatement(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.expression.transformFlags & 1024) { + transformFlags |= 768; } - function getExportedTypeFromNamespace(namespace, name) { - var namespaceSymbol = getGlobalSymbol(namespace, 1920, undefined); - var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793064); - return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeModuleDeclaration(node, subtreeFlags) { + var transformFlags = 3; + var modifierFlags = ts.getModifierFlags(node); + if ((modifierFlags & 2) === 0) { + transformFlags |= subtreeFlags; } - function createTypedPropertyDescriptorType(propertyType) { - var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); - return globalTypedPropertyDescriptorType !== emptyGenericType - ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) - : emptyObjectType; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~574729557; + } + function computeVariableDeclarationList(node, subtreeFlags) { + var transformFlags = subtreeFlags | 33554432; + if (subtreeFlags & 8388608) { + transformFlags |= 768; } - function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { - return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + if (node.flags & 3) { + transformFlags |= 768 | 4194304; } - function createIterableType(elementType) { - return createTypeFromGenericGlobalType(getGlobalIterableType(), [elementType]); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~545262933; + } + function computeOther(node, kind, subtreeFlags) { + var transformFlags = subtreeFlags; + var excludeFlags = 536874325; + switch (kind) { + case 119: + case 185: + transformFlags |= 48; + break; + case 113: + case 111: + case 112: + case 116: + case 123: + case 75: + case 225: + case 255: + case 178: + case 196: + case 197: + case 129: + transformFlags |= 3; + break; + case 242: + case 243: + case 244: + case 10: + case 245: + case 246: + case 247: + case 248: + transformFlags |= 12; + break; + case 83: + transformFlags |= 768 | 3; + break; + case 78: + case 12: + case 13: + case 14: + case 15: + case 190: + case 177: + case 254: + case 209: + transformFlags |= 768; + break; + case 191: + transformFlags |= 768 | 16777216; + break; + case 118: + case 131: + case 128: + case 133: + case 121: + case 134: + case 104: + case 142: + case 145: + case 147: + case 152: + case 153: + case 154: + case 155: + case 156: + case 157: + case 158: + case 159: + case 160: + case 161: + case 162: + case 163: + case 164: + case 165: + case 223: + case 224: + case 166: + case 167: + transformFlags = 3; + excludeFlags = -3; + break; + case 141: + transformFlags |= 2097152; + if (subtreeFlags & 32768) { + transformFlags |= 131072; + } + break; + case 192: + transformFlags |= 1048576; + break; + case 96: + transformFlags |= 768; + break; + case 98: + transformFlags |= 32768; + break; + case 168: + case 169: + transformFlags |= 768 | 8388608; + break; + case 144: + transformFlags |= 3 | 8192; + break; + case 172: + excludeFlags = 539110741; + if (subtreeFlags & 2097152) { + transformFlags |= 768; + } + if (subtreeFlags & 131072) { + transformFlags |= 32768; + } + break; + case 171: + case 176: + excludeFlags = 537922901; + if (subtreeFlags & 1048576) { + transformFlags |= 768; + } + break; + case 205: + case 206: + case 207: + case 208: + if (subtreeFlags & 4194304) { + transformFlags |= 768; + } + break; + case 256: + if (subtreeFlags & 65536) { + transformFlags |= 768; + } + break; + case 212: + case 210: + case 211: + transformFlags |= 33554432; + break; } - function createIterableIteratorType(elementType) { - return createTypeFromGenericGlobalType(getGlobalIterableIteratorType(), [elementType]); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~excludeFlags; + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var ambientModuleSymbolRegex = /^".+"$/; + var nextSymbolId = 1; + var nextNodeId = 1; + var nextMergeId = 1; + var nextFlowId = 1; + function getNodeId(node) { + if (!node.id) { + node.id = nextNodeId; + nextNodeId++; } - function createArrayType(elementType) { - return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + return node.id; + } + ts.getNodeId = getNodeId; + function getSymbolId(symbol) { + if (!symbol.id) { + symbol.id = nextSymbolId; + nextSymbolId++; } - function getTypeFromArrayTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); - } - return links.resolvedType; + return symbol.id; + } + ts.getSymbolId = getSymbolId; + function createTypeChecker(host, produceDiagnostics) { + var cancellationToken; + var Symbol = ts.objectAllocator.getSymbolConstructor(); + var Type = ts.objectAllocator.getTypeConstructor(); + var Signature = ts.objectAllocator.getSignatureConstructor(); + var typeCount = 0; + var symbolCount = 0; + var emptyArray = []; + var emptySymbols = ts.createMap(); + var compilerOptions = host.getCompilerOptions(); + var languageVersion = compilerOptions.target || 0; + var modulekind = ts.getEmitModuleKind(compilerOptions); + var noUnusedIdentifiers = !!compilerOptions.noUnusedLocals || !!compilerOptions.noUnusedParameters; + var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === ts.ModuleKind.System; + var strictNullChecks = compilerOptions.strictNullChecks; + var emitResolver = createResolver(); + var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); + undefinedSymbol.declarations = []; + var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); + var checker = { + getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, + getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, + getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, + getTypeCount: function () { return typeCount; }, + isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, + isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, + isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, + getDiagnostics: getDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getTypeOfSymbolAtLocation: getTypeOfSymbolAtLocation, + getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, + getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, + getPropertiesOfType: getPropertiesOfType, + getPropertyOfType: getPropertyOfType, + getSignaturesOfType: getSignaturesOfType, + getIndexTypeOfType: getIndexTypeOfType, + getBaseTypes: getBaseTypes, + getReturnTypeOfSignature: getReturnTypeOfSignature, + getNonNullableType: getNonNullableType, + getSymbolsInScope: getSymbolsInScope, + getSymbolAtLocation: getSymbolAtLocation, + getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, + getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, + getTypeAtLocation: getTypeOfNode, + getPropertySymbolOfDestructuringAssignment: getPropertySymbolOfDestructuringAssignment, + typeToString: typeToString, + getSymbolDisplayBuilder: getSymbolDisplayBuilder, + symbolToString: symbolToString, + getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, + getRootSymbols: getRootSymbols, + getContextualType: getContextualType, + getFullyQualifiedName: getFullyQualifiedName, + getResolvedSignature: getResolvedSignature, + getConstantValue: getConstantValue, + isValidPropertyAccess: isValidPropertyAccess, + getSignatureFromDeclaration: getSignatureFromDeclaration, + isImplementationOfOverload: isImplementationOfOverload, + getAliasedSymbol: resolveAlias, + getEmitResolver: getEmitResolver, + getExportsOfModule: getExportsOfModuleAsArray, + getAmbientModules: getAmbientModules, + getJsxElementAttributesType: getJsxElementAttributesType, + getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, + isOptionalParameter: isOptionalParameter + }; + var tupleTypes = []; + var unionTypes = ts.createMap(); + var intersectionTypes = ts.createMap(); + var stringLiteralTypes = ts.createMap(); + var numericLiteralTypes = ts.createMap(); + var evolvingArrayTypes = []; + var unknownSymbol = createSymbol(4 | 67108864, "unknown"); + var resolvingSymbol = createSymbol(67108864, "__resolving__"); + var anyType = createIntrinsicType(1, "any"); + var autoType = createIntrinsicType(1, "any"); + var unknownType = createIntrinsicType(1, "unknown"); + var undefinedType = createIntrinsicType(2048, "undefined"); + var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 | 524288, "undefined"); + var nullType = createIntrinsicType(4096, "null"); + var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 | 524288, "null"); + var stringType = createIntrinsicType(2, "string"); + var numberType = createIntrinsicType(4, "number"); + var trueType = createIntrinsicType(128, "true"); + var falseType = createIntrinsicType(128, "false"); + var booleanType = createBooleanType([trueType, falseType]); + var esSymbolType = createIntrinsicType(512, "symbol"); + var voidType = createIntrinsicType(1024, "void"); + var neverType = createIntrinsicType(8192, "never"); + var silentNeverType = createIntrinsicType(8192, "never"); + var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + emptyGenericType.instantiations = ts.createMap(); + var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + anyFunctionType.flags |= 2097152; + var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); + var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); + var resolvingSignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); + var silentNeverSignature = createSignature(undefined, undefined, undefined, emptyArray, silentNeverType, undefined, 0, false, false); + var enumNumberIndexInfo = createIndexInfo(stringType, true); + var globals = ts.createMap(); + var patternAmbientModules; + var getGlobalESSymbolConstructorSymbol; + var getGlobalPromiseConstructorSymbol; + var tryGetGlobalPromiseConstructorSymbol; + var globalObjectType; + var globalFunctionType; + var globalArrayType; + var globalReadonlyArrayType; + var globalStringType; + var globalNumberType; + var globalBooleanType; + var globalRegExpType; + var anyArrayType; + var autoArrayType; + var anyReadonlyArrayType; + var getGlobalTemplateStringsArrayType; + var getGlobalESSymbolType; + var getGlobalIterableType; + var getGlobalIteratorType; + var getGlobalIterableIteratorType; + var getGlobalClassDecoratorType; + var getGlobalParameterDecoratorType; + var getGlobalPropertyDecoratorType; + var getGlobalMethodDecoratorType; + var getGlobalTypedPropertyDescriptorType; + var getGlobalPromiseType; + var tryGetGlobalPromiseType; + var getGlobalPromiseLikeType; + var getInstantiatedGlobalPromiseLikeType; + var getGlobalPromiseConstructorLikeType; + var getGlobalThenableType; + var jsxElementClassType; + var deferredNodes; + var deferredUnusedIdentifierNodes; + var flowLoopStart = 0; + var flowLoopCount = 0; + var visitedFlowCount = 0; + var emptyStringType = getLiteralTypeForText(32, ""); + var zeroType = getLiteralTypeForText(64, "0"); + var resolutionTargets = []; + var resolutionResults = []; + var resolutionPropertyNames = []; + var mergedSymbols = []; + var symbolLinks = []; + var nodeLinks = []; + var flowLoopCaches = []; + var flowLoopNodes = []; + var flowLoopKeys = []; + var flowLoopTypes = []; + var visitedFlowNodes = []; + var visitedFlowTypes = []; + var potentialThisCollisions = []; + var awaitedTypeStack = []; + var diagnostics = ts.createDiagnosticCollection(); + var typeofEQFacts = ts.createMap({ + "string": 1, + "number": 2, + "boolean": 4, + "symbol": 8, + "undefined": 16384, + "object": 16, + "function": 32 + }); + var typeofNEFacts = ts.createMap({ + "string": 128, + "number": 256, + "boolean": 512, + "symbol": 1024, + "undefined": 131072, + "object": 2048, + "function": 4096 + }); + var typeofTypesByName = ts.createMap({ + "string": stringType, + "number": numberType, + "boolean": booleanType, + "symbol": esSymbolType, + "undefined": undefinedType + }); + var jsxElementType; + var jsxTypes = ts.createMap(); + var JsxNames = { + JSX: "JSX", + IntrinsicElements: "IntrinsicElements", + ElementClass: "ElementClass", + ElementAttributesPropertyNameContainer: "ElementAttributesProperty", + Element: "Element", + IntrinsicAttributes: "IntrinsicAttributes", + IntrinsicClassAttributes: "IntrinsicClassAttributes" + }; + var subtypeRelation = ts.createMap(); + var assignableRelation = ts.createMap(); + var comparableRelation = ts.createMap(); + var identityRelation = ts.createMap(); + var enumRelation = ts.createMap(); + var _displayBuilder; + var builtinGlobals = ts.createMap(); + builtinGlobals[undefinedSymbol.name] = undefinedSymbol; + initializeTypeChecker(); + return checker; + function getEmitResolver(sourceFile, cancellationToken) { + getDiagnostics(sourceFile, cancellationToken); + return emitResolver; } - function createTupleTypeOfArity(arity) { - var typeParameters = []; - var properties = []; - for (var i = 0; i < arity; i++) { - var typeParameter = createType(16384); - typeParameters.push(typeParameter); - var property = createSymbol(4 | 67108864, "" + i); - property.type = typeParameter; - properties.push(property); - } - var type = createObjectType(262144 | 131072); - type.typeParameters = typeParameters; - type.outerTypeParameters = undefined; - type.localTypeParameters = typeParameters; - type.instantiations = ts.createMap(); - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(16384); - type.thisType.isThisType = true; - type.thisType.constraint = type; - type.declaredProperties = properties; - type.declaredCallSignatures = emptyArray; - type.declaredConstructSignatures = emptyArray; - type.declaredStringIndexInfo = undefined; - type.declaredNumberIndexInfo = undefined; - return type; + function error(location, message, arg0, arg1, arg2) { + var diagnostic = location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); + diagnostics.add(diagnostic); } - function getTupleTypeOfArity(arity) { - return tupleTypes[arity] || (tupleTypes[arity] = createTupleTypeOfArity(arity)); + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); } - function createTupleType(elementTypes) { - return createTypeReference(getTupleTypeOfArity(elementTypes.length), elementTypes); + function getExcludedSymbolFlags(flags) { + var result = 0; + if (flags & 2) + result |= 107455; + if (flags & 1) + result |= 107454; + if (flags & 4) + result |= 0; + if (flags & 8) + result |= 900095; + if (flags & 16) + result |= 106927; + if (flags & 32) + result |= 899519; + if (flags & 64) + result |= 792968; + if (flags & 256) + result |= 899327; + if (flags & 128) + result |= 899967; + if (flags & 512) + result |= 106639; + if (flags & 8192) + result |= 99263; + if (flags & 32768) + result |= 41919; + if (flags & 65536) + result |= 74687; + if (flags & 262144) + result |= 530920; + if (flags & 524288) + result |= 793064; + if (flags & 8388608) + result |= 8388608; + return result; } - function getTypeFromTupleTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNodeNoAlias)); + function recordMergedSymbol(target, source) { + if (!source.mergeId) { + source.mergeId = nextMergeId; + nextMergeId++; } - return links.resolvedType; + mergedSymbols[source.mergeId] = target; } - function binarySearchTypes(types, type) { - var low = 0; - var high = types.length - 1; - var typeId = type.id; - while (low <= high) { - var middle = low + ((high - low) >> 1); - var id = types[middle].id; - if (id === typeId) { - return middle; + function cloneSymbol(symbol) { + var result = createSymbol(symbol.flags | 33554432, symbol.name); + result.declarations = symbol.declarations.slice(0); + result.parent = symbol.parent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = ts.cloneMap(symbol.members); + if (symbol.exports) + result.exports = ts.cloneMap(symbol.exports); + recordMergedSymbol(result, symbol); + return result; + } + function mergeSymbol(target, source) { + if (!(target.flags & getExcludedSymbolFlags(source.flags))) { + if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { + target.constEnumOnlyModule = false; } - else if (id > typeId) { - high = middle - 1; + target.flags |= source.flags; + if (source.valueDeclaration && + (!target.valueDeclaration || + (target.valueDeclaration.kind === 226 && source.valueDeclaration.kind !== 226))) { + target.valueDeclaration = source.valueDeclaration; } - else { - low = middle + 1; + ts.forEach(source.declarations, function (node) { + target.declarations.push(node); + }); + if (source.members) { + if (!target.members) + target.members = ts.createMap(); + mergeSymbolTable(target.members, source.members); } - } - return ~low; - } - function containsType(types, type) { - return binarySearchTypes(types, type) >= 0; - } - function addTypeToUnion(typeSet, type) { - var flags = type.flags; - if (flags & 524288) { - addTypesToUnion(typeSet, type.types); - } - else if (flags & 1) { - typeSet.containsAny = true; - } - else if (!strictNullChecks && flags & 6144) { - if (flags & 2048) - typeSet.containsUndefined = true; - if (flags & 4096) - typeSet.containsNull = true; - if (!(flags & 33554432)) - typeSet.containsNonWideningType = true; - } - else if (!(flags & 8192)) { - if (flags & 2) - typeSet.containsString = true; - if (flags & 4) - typeSet.containsNumber = true; - if (flags & 96) - typeSet.containsStringOrNumberLiteral = true; - var len = typeSet.length; - var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type); - if (index < 0) { - if (!(flags & 2097152 && type.symbol && type.symbol.flags & (16 | 8192) && containsIdenticalType(typeSet, type))) { - typeSet.splice(~index, 0, type); - } + if (source.exports) { + if (!target.exports) + target.exports = ts.createMap(); + mergeSymbolTable(target.exports, source.exports); } + recordMergedSymbol(target, source); } - } - function addTypesToUnion(typeSet, types) { - for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { - var type = types_4[_i]; - addTypeToUnion(typeSet, type); - } - } - function containsIdenticalType(types, type) { - for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { - var t = types_5[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; - } + else { + var message_2 = target.flags & 2 || source.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(source.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + ts.forEach(target.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); } - return false; } - function isSubtypeOfAny(candidate, types) { - for (var i = 0, len = types.length; i < len; i++) { - if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { - return true; + function mergeSymbolTable(target, source) { + for (var id in source) { + var targetSymbol = target[id]; + if (!targetSymbol) { + target[id] = source[id]; } - } - return false; - } - function isSetOfLiteralsFromSameEnum(types) { - var first = types[0]; - if (first.flags & 256) { - var firstEnum = getParentOfSymbol(first.symbol); - for (var i = 1; i < types.length; i++) { - var other = types[i]; - if (!(other.flags & 256) || (firstEnum !== getParentOfSymbol(other.symbol))) { - return false; + else { + if (!(targetSymbol.flags & 33554432)) { + target[id] = targetSymbol = cloneSymbol(targetSymbol); } + mergeSymbol(targetSymbol, source[id]); } - return true; } - return false; } - function removeSubtypes(types) { - if (types.length === 0 || isSetOfLiteralsFromSameEnum(types)) { + function mergeModuleAugmentation(moduleName) { + var moduleAugmentation = moduleName.parent; + if (moduleAugmentation.symbol.declarations[0] !== moduleAugmentation) { + ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); return; } - var i = types.length; - while (i > 0) { - i--; - if (isSubtypeOfAny(types[i], types)) { - ts.orderedRemoveItemAt(types, i); - } + if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { + mergeSymbolTable(globals, moduleAugmentation.symbol.exports); } - } - function removeRedundantLiteralTypes(types) { - var i = types.length; - while (i > 0) { - i--; - var t = types[i]; - var remove = t.flags & 32 && types.containsString || - t.flags & 64 && types.containsNumber || - t.flags & 96 && t.flags & 16777216 && containsType(types, t.regularType); - if (remove) { - ts.orderedRemoveItemAt(types, i); + else { + var moduleNotFoundError = !ts.isInAmbientContext(moduleName.parent.parent) + ? ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found + : undefined; + var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, moduleNotFoundError); + if (!mainModule) { + return; } - } - } - function getUnionType(types, subtypeReduction, aliasSymbol, aliasTypeArguments) { - if (types.length === 0) { - return neverType; - } - if (types.length === 1) { - return types[0]; - } - var typeSet = []; - addTypesToUnion(typeSet, types); - if (typeSet.containsAny) { - return anyType; - } - if (subtypeReduction) { - removeSubtypes(typeSet); - } - else if (typeSet.containsStringOrNumberLiteral) { - removeRedundantLiteralTypes(typeSet); - } - if (typeSet.length === 0) { - return typeSet.containsNull ? typeSet.containsNonWideningType ? nullType : nullWideningType : - typeSet.containsUndefined ? typeSet.containsNonWideningType ? undefinedType : undefinedWideningType : - neverType; - } - return getUnionTypeFromSortedList(typeSet, aliasSymbol, aliasTypeArguments); - } - function getUnionTypeFromSortedList(types, aliasSymbol, aliasTypeArguments) { - if (types.length === 0) { - return neverType; - } - if (types.length === 1) { - return types[0]; - } - var id = getTypeListId(types); - var type = unionTypes[id]; - if (!type) { - var propagatedFlags = getPropagatingFlagsOfTypes(types, 6144); - type = unionTypes[id] = createObjectType(524288 | propagatedFlags); - type.types = types; - type.aliasSymbol = aliasSymbol; - type.aliasTypeArguments = aliasTypeArguments; - } - return type; - } - function getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), false, aliasSymbol, aliasTypeArguments); - } - return links.resolvedType; - } - function addTypeToIntersection(typeSet, type) { - if (type.flags & 1048576) { - addTypesToIntersection(typeSet, type.types); - } - else if (type.flags & 1) { - typeSet.containsAny = true; - } - else if (!(type.flags & 8192) && (strictNullChecks || !(type.flags & 6144)) && !ts.contains(typeSet, type)) { - typeSet.push(type); - } - } - function addTypesToIntersection(typeSet, types) { - for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { - var type = types_6[_i]; - addTypeToIntersection(typeSet, type); - } - } - function getIntersectionType(types, aliasSymbol, aliasTypeArguments) { - if (types.length === 0) { - return emptyObjectType; - } - var typeSet = []; - addTypesToIntersection(typeSet, types); - if (typeSet.containsAny) { - return anyType; - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = intersectionTypes[id]; - if (!type) { - var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, 6144); - type = intersectionTypes[id] = createObjectType(1048576 | propagatedFlags); - type.types = typeSet; - type.aliasSymbol = aliasSymbol; - type.aliasTypeArguments = aliasTypeArguments; - } - return type; - } - function getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), aliasSymbol, aliasTypeArguments); - } - return links.resolvedType; - } - function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = createObjectType(2097152, node.symbol); - type.aliasSymbol = aliasSymbol; - type.aliasTypeArguments = aliasTypeArguments; - links.resolvedType = type; - } - return links.resolvedType; - } - function createLiteralType(flags, text) { - var type = createType(flags); - type.text = text; - return type; - } - function getFreshTypeOfLiteralType(type) { - if (type.flags & 96 && !(type.flags & 16777216)) { - if (!type.freshType) { - var freshType = createLiteralType(type.flags | 16777216, type.text); - freshType.regularType = type; - type.freshType = freshType; + mainModule = resolveExternalModuleSymbol(mainModule); + if (mainModule.flags & 1920) { + mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); + mergeSymbol(mainModule, moduleAugmentation.symbol); } - return type.freshType; - } - return type; - } - function getRegularTypeOfLiteralType(type) { - return type.flags & 96 && type.flags & 16777216 ? type.regularType : type; - } - function getLiteralTypeForText(flags, text) { - var map = flags & 32 ? stringLiteralTypes : numericLiteralTypes; - return map[text] || (map[text] = createLiteralType(flags, text)); - } - function getTypeFromLiteralTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getRegularTypeOfLiteralType(checkExpression(node.literal)); - } - return links.resolvedType; - } - function getTypeFromJSDocVariadicType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = getTypeFromTypeNode(node.type); - links.resolvedType = type ? createArrayType(type) : unknownType; - } - return links.resolvedType; - } - function getTypeFromJSDocTupleType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var types = ts.map(node.types, getTypeFromTypeNodeNoAlias); - links.resolvedType = createTupleType(types); - } - return links.resolvedType; - } - function getThisType(node) { - var container = ts.getThisContainer(node, false); - var parent = container && container.parent; - if (parent && (ts.isClassLike(parent) || parent.kind === 223)) { - if (!(ts.getModifierFlags(container) & 32) && - (container.kind !== 149 || ts.isNodeDescendantOf(node, container.body))) { - return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; + else { + error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); } } - error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); - return unknownType; - } - function getTypeFromThisTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getThisType(node); - } - return links.resolvedType; - } - function getTypeFromTypeNodeNoAlias(type) { - return getTypeFromTypeNode(type, undefined, undefined); - } - function getTypeFromTypeNode(node, aliasSymbol, aliasTypeArguments) { - switch (node.kind) { - case 118: - case 258: - case 259: - return anyType; - case 133: - return stringType; - case 131: - return numberType; - case 121: - return booleanType; - case 134: - return esSymbolType; - case 104: - return voidType; - case 136: - return undefinedType; - case 94: - return nullType; - case 128: - return neverType; - case 283: - return nullType; - case 284: - return undefinedType; - case 285: - return neverType; - case 166: - case 98: - return getTypeFromThisTypeNode(node); - case 167: - return getTypeFromLiteralTypeNode(node); - case 282: - return getTypeFromLiteralTypeNode(node.literal); - case 156: - case 267: - return getTypeFromTypeReference(node); - case 155: - return booleanType; - case 195: - return getTypeFromTypeReference(node); - case 159: - return getTypeFromTypeQueryNode(node); - case 161: - case 260: - return getTypeFromArrayTypeNode(node); - case 162: - return getTypeFromTupleTypeNode(node); - case 163: - case 261: - return getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments); - case 164: - return getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments); - case 165: - case 263: - case 264: - case 271: - case 272: - case 268: - return getTypeFromTypeNode(node.type); - case 265: - return getTypeFromTypeNode(node.literal); - case 157: - case 158: - case 160: - case 281: - case 269: - return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments); - case 70: - case 140: - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - case 262: - return getTypeFromJSDocTupleType(node); - case 270: - return getTypeFromJSDocVariadicType(node); - default: - return unknownType; - } } - function instantiateList(items, mapper, instantiator) { - if (items && items.length) { - var result = []; - for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { - var v = items_1[_i]; - result.push(instantiator(v, mapper)); + function addToSymbolTable(target, source, message) { + for (var id in source) { + if (target[id]) { + ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); } - return result; - } - return items; - } - function createUnaryTypeMapper(source, target) { - return function (t) { return t === source ? target : t; }; - } - function createBinaryTypeMapper(source1, target1, source2, target2) { - return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; - } - function createArrayTypeMapper(sources, targets) { - return function (t) { - for (var i = 0; i < sources.length; i++) { - if (t === sources[i]) { - return targets ? targets[i] : anyType; - } + else { + target[id] = source[id]; } - return t; - }; - } - function createTypeMapper(sources, targets) { - var count = sources.length; - var mapper = count == 1 ? createUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) : - count == 2 ? createBinaryTypeMapper(sources[0], targets ? targets[0] : anyType, sources[1], targets ? targets[1] : anyType) : - createArrayTypeMapper(sources, targets); - mapper.mappedTypes = sources; - mapper.targetTypes = targets; - return mapper; - } - function createTypeEraser(sources) { - return createTypeMapper(sources, undefined); - } - function getInferenceMapper(context) { - if (!context.mapper) { - var mapper = function (t) { - var typeParameters = context.signature.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (t === typeParameters[i]) { - context.inferences[i].isFixed = true; - return getInferredType(context, i); - } - } - return t; - }; - mapper.mappedTypes = context.signature.typeParameters; - mapper.context = context; - context.mapper = mapper; } - return context.mapper; + function addDeclarationDiagnostic(id, message) { + return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + } } - function identityMapper(type) { - return type; + function getSymbolLinks(symbol) { + if (symbol.flags & 67108864) + return symbol; + var id = getSymbolId(symbol); + return symbolLinks[id] || (symbolLinks[id] = {}); } - function combineTypeMappers(mapper1, mapper2) { - var mapper = function (t) { return instantiateType(mapper1(t), mapper2); }; - mapper.mappedTypes = mapper1.mappedTypes; - return mapper; + function getNodeLinks(node) { + var nodeId = getNodeId(node); + return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 }); } - function cloneTypeParameter(typeParameter) { - var result = createType(16384); - result.symbol = typeParameter.symbol; - result.target = typeParameter; - return result; + function getObjectFlags(type) { + return type.flags & 32768 ? type.objectFlags : 0; } - function cloneTypePredicate(predicate, mapper) { - if (ts.isIdentifierTypePredicate(predicate)) { - return { - kind: 1, - parameterName: predicate.parameterName, - parameterIndex: predicate.parameterIndex, - type: instantiateType(predicate.type, mapper) - }; - } - else { - return { - kind: 0, - type: instantiateType(predicate.type, mapper) - }; - } + function isGlobalSourceFile(node) { + return node.kind === 256 && !ts.isExternalOrCommonJsModule(node); } - function instantiateSignature(signature, mapper, eraseTypeParameters) { - var freshTypeParameters; - var freshTypePredicate; - if (signature.typeParameters && !eraseTypeParameters) { - freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); - mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); - for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { - var tp = freshTypeParameters_1[_i]; - tp.mapper = mapper; + function getSymbol(symbols, name, meaning) { + if (meaning) { + var symbol = symbols[name]; + if (symbol) { + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + if (symbol.flags & meaning) { + return symbol; + } + if (symbol.flags & 8388608) { + var target = resolveAlias(symbol); + if (target === unknownSymbol || target.flags & meaning) { + return symbol; + } + } } } - if (signature.typePredicate) { - freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); + } + function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { + var constructorDeclaration = parameter.parent; + var classDeclaration = parameter.parent.parent; + var parameterSymbol = getSymbol(constructorDeclaration.locals, parameterName, 107455); + var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); + if (parameterSymbol && propertySymbol) { + return [parameterSymbol, propertySymbol]; } - var result = createSignature(signature.declaration, freshTypeParameters, signature.thisParameter && instantiateSymbol(signature.thisParameter, mapper), instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasLiteralTypes); - result.target = signature; - result.mapper = mapper; - return result; + ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); } - function instantiateSymbol(symbol, mapper) { - if (symbol.flags & 16777216) { - var links = getSymbolLinks(symbol); - symbol = links.target; - mapper = combineTypeMappers(links.mapper, mapper); + function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { + var declarationFile = ts.getSourceFileOfNode(declaration); + var useFile = ts.getSourceFileOfNode(usage); + if (declarationFile !== useFile) { + if ((modulekind && (declarationFile.externalModuleIndicator || useFile.externalModuleIndicator)) || + (!compilerOptions.outFile && !compilerOptions.out)) { + return true; + } + if (isUsedInFunctionOrNonStaticProperty(usage)) { + return true; + } + var sourceFiles = host.getSourceFiles(); + return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); } - var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); - result.declarations = symbol.declarations; - result.parent = symbol.parent; - result.target = symbol; - result.mapper = mapper; - if (symbol.valueDeclaration) { - result.valueDeclaration = symbol.valueDeclaration; + if (declaration.pos <= usage.pos) { + return declaration.kind !== 219 || + !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); } - return result; - } - function instantiateAnonymousType(type, mapper) { - if (mapper.instantiations) { - var cachedType = mapper.instantiations[type.id]; - if (cachedType) { - return cachedType; + var container = ts.getEnclosingBlockScopeContainer(declaration); + return isUsedInFunctionOrNonStaticProperty(usage, container); + function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + switch (declaration.parent.parent.kind) { + case 201: + case 207: + case 209: + if (isSameScopeDescendentOf(usage, declaration, container)) { + return true; + } + break; + } + switch (declaration.parent.parent.kind) { + case 208: + case 209: + if (isSameScopeDescendentOf(usage, declaration.parent.parent.expression, container)) { + return true; + } } + return false; } - else { - mapper.instantiations = []; + function isUsedInFunctionOrNonStaticProperty(usage, container) { + var current = usage; + while (current) { + if (current === container) { + return false; + } + if (ts.isFunctionLike(current)) { + return true; + } + var initializerOfNonStaticProperty = current.parent && + current.parent.kind === 146 && + (ts.getModifierFlags(current.parent) & 32) === 0 && + current.parent.initializer === current; + if (initializerOfNonStaticProperty) { + return true; + } + current = current.parent; + } + return false; } - var result = createObjectType(2097152 | 4194304, type.symbol); - result.target = type; - result.mapper = mapper; - result.aliasSymbol = type.aliasSymbol; - result.aliasTypeArguments = mapper.targetTypes; - mapper.instantiations[type.id] = result; - return result; } - function isSymbolInScopeOfMappedTypeParameter(symbol, mapper) { - var mappedTypes = mapper.mappedTypes; - var node = symbol.declarations[0].parent; - while (node) { - switch (node.kind) { - case 157: - case 158: - case 221: + function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { + var result; + var lastLocation; + var propertyWithInvalidInitializer; + var errorLocation = location; + var grandparent; + var isInExternalModule = false; + loop: while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + if (result = getSymbol(location.locals, name, meaning)) { + var useResult = true; + if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { + if (meaning & result.flags & 793064 && lastLocation.kind !== 273) { + useResult = result.flags & 262144 + ? lastLocation === location.type || + lastLocation.kind === 143 || + lastLocation.kind === 142 + : false; + } + if (meaning & 107455 && result.flags & 1) { + useResult = + lastLocation.kind === 143 || + (lastLocation === location.type && + result.valueDeclaration.kind === 143); + } + } + if (useResult) { + break loop; + } + else { + result = undefined; + } + } + } + switch (location.kind) { + case 256: + if (!ts.isExternalOrCommonJsModule(location)) + break; + isInExternalModule = true; + case 226: + var moduleExports = getSymbolOfNode(location).exports; + if (location.kind === 256 || ts.isAmbientModule(location)) { + if (result = moduleExports["default"]) { + var localSymbol = ts.getLocalSymbolForExportDefault(result); + if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { + break loop; + } + result = undefined; + } + if (moduleExports[name] && + moduleExports[name].flags === 8388608 && + ts.getDeclarationOfKind(moduleExports[name], 239)) { + break; + } + } + if (result = getSymbol(moduleExports, name, meaning & 8914931)) { + break loop; + } + break; + case 225: + if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { + break loop; + } + break; + case 146: + case 145: + if (ts.isClassLike(location.parent) && !(ts.getModifierFlags(location) & 32)) { + var ctor = findConstructorDeclaration(location.parent); + if (ctor && ctor.locals) { + if (getSymbol(ctor.locals, name, meaning & 107455)) { + propertyWithInvalidInitializer = location; + } + } + } + break; + case 222: + case 193: + case 223: + if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793064)) { + if (lastLocation && ts.getModifierFlags(lastLocation) & 32) { + error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); + return undefined; + } + break loop; + } + if (location.kind === 193 && meaning & 32) { + var className = location.name; + if (className && name === className.text) { + result = location.symbol; + break loop; + } + } + break; + case 141: + grandparent = location.parent.parent; + if (ts.isClassLike(grandparent) || grandparent.kind === 223) { + if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793064)) { + error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); + return undefined; + } + } + break; case 148: case 147: case 149: - case 152: - case 153: - case 154: case 150: case 151: - case 180: + case 221: case 181: - case 222: - case 193: - case 223: - case 224: - var declaration = node; - if (declaration.typeParameters) { - for (var _i = 0, _a = declaration.typeParameters; _i < _a.length; _i++) { - var d = _a[_i]; - if (ts.contains(mappedTypes, getDeclaredTypeOfTypeParameter(getSymbolOfNode(d)))) { - return true; - } - } + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; } - if (ts.isClassLike(node) || node.kind === 223) { - var thisType = getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType; - if (thisType && ts.contains(mappedTypes, thisType)) { - return true; + break; + case 180: + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; + } + if (meaning & 16) { + var functionName = location.name; + if (functionName && name === functionName.text) { + result = location.symbol; + break loop; } } break; - case 226: - case 256: - return false; + case 144: + if (location.parent && location.parent.kind === 143) { + location = location.parent; + } + if (location.parent && ts.isClassElement(location.parent)) { + location = location.parent; + } + break; } - node = node.parent; + lastLocation = location; + location = location.parent; } - return false; - } - function instantiateType(type, mapper) { - if (type && mapper !== identityMapper) { - if (type.flags & 16384) { - return mapper(type); - } - if (type.flags & 2097152) { - return type.symbol && - type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) && - (type.flags & 4194304 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? - instantiateAnonymousType(type, mapper) : type; + if (result && nameNotFoundMessage && noUnusedIdentifiers) { + result.isReferenced = true; + } + if (!result) { + result = getSymbol(globals, name, meaning); + } + if (!result) { + if (nameNotFoundMessage) { + if (!errorLocation || + !checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) && + !checkAndReportErrorForExtendingInterface(errorLocation) && + !checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning)) { + error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + } } - if (type.flags & 131072) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + return undefined; + } + if (nameNotFoundMessage) { + if (propertyWithInvalidInitializer) { + var propertyName = propertyWithInvalidInitializer.name; + error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return undefined; } - if (type.flags & 524288 && !(type.flags & 8190)) { - return getUnionType(instantiateList(type.types, mapper, instantiateType), false, type.aliasSymbol, mapper.targetTypes); + if (meaning & 2) { + var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); + if (exportOrLocalSymbol.flags & 2) { + checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); + } } - if (type.flags & 1048576) { - return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes); + if (result && isInExternalModule && (meaning & 107455) === 107455) { + var decls = result.declarations; + if (decls && decls.length === 1 && decls[0].kind === 229) { + error(errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, name); + } } } - return type; - } - function instantiateIndexInfo(info, mapper) { - return info && createIndexInfo(instantiateType(info.type, mapper), info.isReadonly, info.declaration); - } - function isContextSensitive(node) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - switch (node.kind) { - case 180: - case 181: - return isContextSensitiveFunctionLikeDeclaration(node); - case 172: - return ts.forEach(node.properties, isContextSensitive); - case 171: - return ts.forEach(node.elements, isContextSensitive); - case 189: - return isContextSensitive(node.whenTrue) || - isContextSensitive(node.whenFalse); - case 188: - return node.operatorToken.kind === 53 && - (isContextSensitive(node.left) || isContextSensitive(node.right)); - case 253: - return isContextSensitive(node.initializer); - case 148: - case 147: - return isContextSensitiveFunctionLikeDeclaration(node); - case 179: - return isContextSensitive(node.expression); - } - return false; + return result; } - function isContextSensitiveFunctionLikeDeclaration(node) { - if (node.typeParameters) { + function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { + if ((errorLocation.kind === 70 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { return false; } - if (ts.forEach(node.parameters, function (p) { return !p.type; })) { - return true; + var container = ts.getThisContainer(errorLocation, true); + var location = container; + while (location) { + if (ts.isClassLike(location.parent)) { + var classSymbol = getSymbolOfNode(location.parent); + if (!classSymbol) { + break; + } + var constructorType = getTypeOfSymbol(classSymbol); + if (getPropertyOfType(constructorType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); + return true; + } + if (location === container && !(ts.getModifierFlags(location) & 32)) { + var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; + if (getPropertyOfType(instanceType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return true; + } + } + } + location = location.parent; } - if (node.kind === 181) { - return false; + return false; + } + function checkAndReportErrorForExtendingInterface(errorLocation) { + var expression = getEntityNameForExtendingInterface(errorLocation); + var isError = !!(expression && resolveEntityName(expression, 64, true)); + if (isError) { + error(errorLocation, ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements, ts.getTextOfNode(expression)); } - var parameter = ts.firstOrUndefined(node.parameters); - return !(parameter && ts.parameterIsThisKeyword(parameter)); + return isError; } - function isContextSensitiveFunctionOrObjectLiteralMethod(func) { - return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func); + function getEntityNameForExtendingInterface(node) { + switch (node.kind) { + case 70: + case 173: + return node.parent ? getEntityNameForExtendingInterface(node.parent) : undefined; + case 195: + ts.Debug.assert(ts.isEntityNameExpression(node.expression)); + return node.expression; + default: + return undefined; + } } - function getTypeWithoutSignatures(type) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.constructSignatures.length) { - var result = createObjectType(2097152, type.symbol); - result.members = resolved.members; - result.properties = resolved.properties; - result.callSignatures = emptyArray; - result.constructSignatures = emptyArray; - type = result; + function checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) { + if (meaning & (107455 & ~1024)) { + var symbol = resolveSymbol(resolveName(errorLocation, name, 793064 & ~107455, undefined, undefined)); + if (symbol && !(symbol.flags & 1024)) { + error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, name); + return true; } } - return type; - } - function isTypeIdenticalTo(source, target) { - return isTypeRelatedTo(source, target, identityRelation); - } - function compareTypesIdentical(source, target) { - return isTypeRelatedTo(source, target, identityRelation) ? -1 : 0; - } - function compareTypesAssignable(source, target) { - return isTypeRelatedTo(source, target, assignableRelation) ? -1 : 0; - } - function isTypeSubtypeOf(source, target) { - return isTypeRelatedTo(source, target, subtypeRelation); - } - function isTypeAssignableTo(source, target) { - return isTypeRelatedTo(source, target, assignableRelation); - } - function isTypeInstanceOf(source, target) { - return source === target || isTypeSubtypeOf(source, target) && !isTypeIdenticalTo(source, target); - } - function isTypeComparableTo(source, target) { - return isTypeRelatedTo(source, target, comparableRelation); - } - function areTypesComparable(type1, type2) { - return isTypeComparableTo(type1, type2) || isTypeComparableTo(type2, type1); - } - function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeComparableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, comparableRelation, errorNode, headMessage, containingMessageChain); - } - function isSignatureAssignableTo(source, target, ignoreReturnTypes) { - return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; + return false; } - function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { - if (source === target) { - return -1; + function checkResolvedBlockScopedVariable(result, errorLocation) { + ts.Debug.assert((result.flags & 2) !== 0); + var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); + ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); + if (!ts.isInAmbientContext(declaration) && !isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 219), errorLocation)) { + error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); } - if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { - return 0; + } + function isSameScopeDescendentOf(initial, parent, stopAt) { + if (!parent) { + return false; } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - var sourceThisType = getThisTypeOfSignature(source); - if (sourceThisType && sourceThisType !== voidType) { - var targetThisType = getThisTypeOfSignature(target); - if (targetThisType) { - var related = compareTypes(sourceThisType, targetThisType, false) - || compareTypes(targetThisType, sourceThisType, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.The_this_types_of_each_signature_are_incompatible); - } - return 0; - } - result &= related; + for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { + if (current === parent) { + return true; } } - var sourceMax = getNumNonRestParameters(source); - var targetMax = getNumNonRestParameters(target); - var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); - var sourceParams = source.parameters; - var targetParams = target.parameters; - for (var i = 0; i < checkCount; i++) { - var s = i < sourceMax ? getTypeOfParameter(sourceParams[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfParameter(targetParams[i]) : getRestTypeOfSignature(target); - var related = compareTypes(s, t, false) || compareTypes(t, s, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); - } - return 0; + return false; + } + function getAnyImportSyntax(node) { + if (ts.isAliasSymbolDeclaration(node)) { + if (node.kind === 230) { + return node; } - result &= related; - } - if (!ignoreReturnTypes) { - var targetReturnType = getReturnTypeOfSignature(target); - if (targetReturnType === voidType) { - return result; + while (node && node.kind !== 231) { + node = node.parent; } - var sourceReturnType = getReturnTypeOfSignature(source); - if (target.typePredicate) { - if (source.typePredicate) { - result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); - } - else if (ts.isIdentifierTypePredicate(target.typePredicate)) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); - } - return 0; - } + return node; + } + } + function getDeclarationOfAliasSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); + } + function getTargetOfImportEqualsDeclaration(node) { + if (node.moduleReference.kind === 241) { + return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + } + return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference); + } + function getTargetOfImportClause(node) { + var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); + if (moduleSymbol) { + var exportDefaultSymbol = ts.isShorthandAmbientModuleSymbol(moduleSymbol) ? + moduleSymbol : + moduleSymbol.exports["export="] ? + getPropertyOfType(getTypeOfSymbol(moduleSymbol.exports["export="]), "default") : + resolveSymbol(moduleSymbol.exports["default"]); + if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { + error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); } - else { - result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { + return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); } + return exportDefaultSymbol; + } + } + function getTargetOfNamespaceImport(node) { + var moduleSpecifier = node.parent.parent.moduleSpecifier; + return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); + } + function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { + if (valueSymbol.flags & (793064 | 1920)) { + return valueSymbol; } + var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); + result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); + result.parent = valueSymbol.parent || typeSymbol.parent; + if (valueSymbol.valueDeclaration) + result.valueDeclaration = valueSymbol.valueDeclaration; + if (typeSymbol.members) + result.members = typeSymbol.members; + if (valueSymbol.exports) + result.exports = valueSymbol.exports; return result; } - function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { - if (source.kind !== target.kind) { - if (reportErrors) { - errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + function getExportOfModule(symbol, name) { + if (symbol.flags & 1536) { + var exportedSymbol = getExportsOfSymbol(symbol)[name]; + if (exportedSymbol) { + return resolveSymbol(exportedSymbol); } - return 0; } - if (source.kind === 1) { - var sourceIdentifierPredicate = source; - var targetIdentifierPredicate = target; - if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0; + } + function getPropertyOfVariable(symbol, name) { + if (symbol.flags & 3) { + var typeAnnotation = symbol.valueDeclaration.type; + if (typeAnnotation) { + return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); } } - var related = compareTypes(source.type, target.type, reportErrors); - if (related === 0 && reportErrors) { - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + function getExternalModuleMember(node, specifier) { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); + if (targetSymbol) { + var name_16 = specifier.propertyName || specifier.name; + if (name_16.text) { + if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { + return moduleSymbol; + } + var symbolFromVariable = void 0; + if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports["export="]) { + symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name_16.text); + } + else { + symbolFromVariable = getPropertyOfVariable(targetSymbol, name_16.text); + } + symbolFromVariable = resolveSymbol(symbolFromVariable); + var symbolFromModule = getExportOfModule(targetSymbol, name_16.text); + if (!symbolFromModule && allowSyntheticDefaultImports && name_16.text === "default") { + symbolFromModule = resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + } + var symbol = symbolFromModule && symbolFromVariable ? + combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : + symbolFromModule || symbolFromVariable; + if (!symbol) { + error(name_16, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_16)); + } + return symbol; + } } - return related; } - function isImplementationCompatibleWithOverload(implementation, overload) { - var erasedSource = getErasedSignature(implementation); - var erasedTarget = getErasedSignature(overload); - var sourceReturnType = getReturnTypeOfSignature(erasedSource); - var targetReturnType = getReturnTypeOfSignature(erasedTarget); - if (targetReturnType === voidType - || isTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation) - || isTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation)) { - return isSignatureAssignableTo(erasedSource, erasedTarget, true); + function getTargetOfImportSpecifier(node) { + return getExternalModuleMember(node.parent.parent.parent, node); + } + function getTargetOfNamespaceExportDeclaration(node) { + return resolveExternalModuleSymbol(node.parent.symbol); + } + function getTargetOfExportSpecifier(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920); + } + function getTargetOfExportAssignment(node) { + return resolveEntityName(node.expression, 107455 | 793064 | 1920); + } + function getTargetOfAliasDeclaration(node) { + switch (node.kind) { + case 230: + return getTargetOfImportEqualsDeclaration(node); + case 232: + return getTargetOfImportClause(node); + case 233: + return getTargetOfNamespaceImport(node); + case 235: + return getTargetOfImportSpecifier(node); + case 239: + return getTargetOfExportSpecifier(node); + case 236: + return getTargetOfExportAssignment(node); + case 229: + return getTargetOfNamespaceExportDeclaration(node); } - return false; } - function getNumNonRestParameters(signature) { - var numParams = signature.parameters.length; - return signature.hasRestParameter ? - numParams - 1 : - numParams; + function resolveSymbol(symbol) { + return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793064 | 1920)) ? resolveAlias(symbol) : symbol; } - function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { - if (source.hasRestParameter === target.hasRestParameter) { - if (source.hasRestParameter) { - return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; + function resolveAlias(symbol) { + ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.target) { + links.target = resolvingSymbol; + var node = getDeclarationOfAliasSymbol(symbol); + ts.Debug.assert(!!node); + var target = getTargetOfAliasDeclaration(node); + if (links.target === resolvingSymbol) { + links.target = target || unknownSymbol; } else { - return Math.min(sourceNonRestParamCount, targetNonRestParamCount); + error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); } } - else { - return source.hasRestParameter ? - targetNonRestParamCount : - sourceNonRestParamCount; + else if (links.target === resolvingSymbol) { + links.target = unknownSymbol; } + return links.target; } - function isEnumTypeRelatedTo(source, target, errorReporter) { - if (source === target) { - return true; - } - var id = source.id + "," + target.id; - if (enumRelation[id] !== undefined) { - return enumRelation[id]; - } - if (source.symbol.name !== target.symbol.name || - !(source.symbol.flags & 256) || !(target.symbol.flags & 256) || - (source.flags & 524288) !== (target.flags & 524288)) { - return enumRelation[id] = false; - } - var targetEnumType = getTypeOfSymbol(target.symbol); - for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { - var property = _a[_i]; - if (property.flags & 8) { - var targetProperty = getPropertyOfType(targetEnumType, property.name); - if (!targetProperty || !(targetProperty.flags & 8)) { - if (errorReporter) { - errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); - } - return enumRelation[id] = false; - } + function markExportAsReferenced(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target) { + var markAlias = target === unknownSymbol || + ((target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); + if (markAlias) { + markAliasSymbolAsReferenced(symbol); } } - return enumRelation[id] = true; } - function isSimpleTypeRelatedTo(source, target, relation, errorReporter) { - if (target.flags & 8192) - return false; - if (target.flags & 1 || source.flags & 8192) - return true; - if (source.flags & 34 && target.flags & 2) - return true; - if (source.flags & 340 && target.flags & 4) - return true; - if (source.flags & 136 && target.flags & 8) - return true; - if (source.flags & 256 && target.flags & 16 && source.baseType === target) - return true; - if (source.flags & 16 && target.flags & 16 && isEnumTypeRelatedTo(source, target, errorReporter)) - return true; - if (source.flags & 2048 && (!strictNullChecks || target.flags & (2048 | 1024))) - return true; - if (source.flags & 4096 && (!strictNullChecks || target.flags & 4096)) - return true; - if (relation === assignableRelation || relation === comparableRelation) { - if (source.flags & 1) - return true; - if ((source.flags & 4 | source.flags & 64) && target.flags & 272) - return true; - if (source.flags & 256 && - target.flags & 256 && - source.text === target.text && - isEnumTypeRelatedTo(source.baseType, target.baseType, errorReporter)) { - return true; + function markAliasSymbolAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.referenced) { + links.referenced = true; + var node = getDeclarationOfAliasSymbol(symbol); + ts.Debug.assert(!!node); + if (node.kind === 236) { + checkExpressionCached(node.expression); } - if (source.flags & 256 && - target.flags & 16 && - isEnumTypeRelatedTo(target, source.baseType, errorReporter)) { - return true; + else if (node.kind === 239) { + checkExpressionCached(node.propertyName || node.name); + } + else if (ts.isInternalModuleImportEqualsDeclaration(node)) { + checkExpressionCached(node.moduleReference); } } - return false; } - function isTypeRelatedTo(source, target, relation) { - if (source.flags & 96 && source.flags & 16777216) { - source = source.regularType; + function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, dontResolveAlias) { + if (entityName.kind === 70 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; } - if (target.flags & 96 && target.flags & 16777216) { - target = target.regularType; + if (entityName.kind === 70 || entityName.parent.kind === 140) { + return resolveEntityName(entityName, 1920, false, dontResolveAlias); } - if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) { - return true; + else { + ts.Debug.assert(entityName.parent.kind === 230); + return resolveEntityName(entityName, 107455 | 793064 | 1920, false, dontResolveAlias); } - if (source.flags & 2588672 && target.flags & 2588672) { - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - return related === 1; + } + function getFullyQualifiedName(symbol) { + return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + } + function resolveEntityName(name, meaning, ignoreErrors, dontResolveAlias, location) { + if (ts.nodeIsMissing(name)) { + return undefined; + } + var symbol; + if (name.kind === 70) { + var message = meaning === 1920 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; + symbol = resolveName(location || name, name.text, meaning, ignoreErrors ? undefined : message, name); + if (!symbol) { + return undefined; } } - if (source.flags & 4177920 || target.flags & 4177920) { - return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined); + else if (name.kind === 140 || name.kind === 173) { + var left = name.kind === 140 ? name.left : name.expression; + var right = name.kind === 140 ? name.right : name.name; + var namespace = resolveEntityName(left, 1920, ignoreErrors, false, location); + if (!namespace || ts.nodeIsMissing(right)) { + return undefined; + } + else if (namespace === unknownSymbol) { + return namespace; + } + symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); + if (!symbol) { + if (!ignoreErrors) { + error(right, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); + } + return undefined; + } } - return false; + else { + ts.Debug.fail("Unknown entity name kind."); + } + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + return (symbol.flags & meaning) || dontResolveAlias ? symbol : resolveAlias(symbol); } - function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { - var errorInfo; - var sourceStack; - var targetStack; - var maybeStack; - var expandingFlags; - var depth = 0; - var overflow = false; - ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); - var result = isRelatedTo(source, target, !!errorNode, headMessage); - if (overflow) { - error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); + function resolveExternalModuleName(location, moduleReferenceExpression) { + return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + } + function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { + if (moduleReferenceExpression.kind !== 9) { + return; } - else if (errorInfo) { - if (containingMessageChain) { - errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); + var moduleReferenceLiteral = moduleReferenceExpression; + return resolveExternalModule(location, moduleReferenceLiteral.text, moduleNotFoundError, moduleReferenceLiteral); + } + function resolveExternalModule(location, moduleReference, moduleNotFoundError, errorNode) { + var moduleName = ts.escapeIdentifier(moduleReference); + if (moduleName === undefined) { + return; } - return result !== 0; - function reportError(message, arg0, arg1, arg2) { - ts.Debug.assert(!!errorNode); - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + var isRelative = ts.isExternalModuleNameRelative(moduleName); + if (!isRelative) { + var symbol = getSymbol(globals, '"' + moduleName + '"', 512); + if (symbol) { + return getMergedSymbol(symbol); + } } - function reportRelationError(message, source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if (sourceType === targetType) { - sourceType = typeToString(source, undefined, 128); - targetType = typeToString(target, undefined, 128); + var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReference); + var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); + if (sourceFile) { + if (sourceFile.symbol) { + return getMergedSymbol(sourceFile.symbol); } - if (!message) { - message = relation === comparableRelation ? - ts.Diagnostics.Type_0_is_not_comparable_to_type_1 : - ts.Diagnostics.Type_0_is_not_assignable_to_type_1; + if (moduleNotFoundError) { + error(errorNode, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); } - reportError(message, sourceType, targetType); + return undefined; } - function tryElaborateErrorsForPrimitivesAndObjects(source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if ((globalStringType === source && stringType === target) || - (globalNumberType === source && numberType === target) || - (globalBooleanType === source && booleanType === target) || - (getGlobalESSymbolType() === source && esSymbolType === target)) { - reportError(ts.Diagnostics._0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible, targetType, sourceType); + if (patternAmbientModules) { + var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleName); + if (pattern) { + return getMergedSymbol(pattern.symbol); } } - function isRelatedTo(source, target, reportErrors, headMessage) { - var result; - if (source.flags & 96 && source.flags & 16777216) { - source = source.regularType; - } - if (target.flags & 96 && target.flags & 16777216) { - target = target.regularType; + if (moduleNotFoundError) { + var tsExtension = ts.tryExtractTypeScriptExtension(moduleName); + if (tsExtension) { + var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead; + error(errorNode, diag, tsExtension, ts.removeExtension(moduleName, tsExtension)); } - if (source === target) - return -1; - if (relation === identityRelation) { - return isIdenticalTo(source, target); + else { + error(errorNode, moduleNotFoundError, moduleName); } - if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) - return -1; - if (source.flags & 8388608 && source.flags & 16777216) { - if (hasExcessProperties(source, target, reportErrors)) { - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0; - } - if (target.flags & 1572864) { - source = getRegularTypeOfObjectLiteral(source); + } + return undefined; + } + function resolveExternalModuleSymbol(moduleSymbol) { + return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + } + function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { + var symbol = resolveExternalModuleSymbol(moduleSymbol); + if (symbol && !(symbol.flags & (1536 | 3))) { + error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); + symbol = undefined; + } + return symbol; + } + function hasExportAssignmentSymbol(moduleSymbol) { + return moduleSymbol.exports["export="] !== undefined; + } + function getExportsOfModuleAsArray(moduleSymbol) { + return symbolsToArray(getExportsOfModule(moduleSymbol)); + } + function getExportsOfSymbol(symbol) { + return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + } + function getExportsOfModule(moduleSymbol) { + var links = getSymbolLinks(moduleSymbol); + return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + } + function extendExportSymbols(target, source, lookupTable, exportNode) { + for (var id in source) { + if (id !== "default" && !target[id]) { + target[id] = source[id]; + if (lookupTable && exportNode) { + lookupTable[id] = { + specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) + }; } } - var saveErrorInfo = errorInfo; - if (source.flags & 524288) { - if (relation === comparableRelation) { - result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); + else if (lookupTable && exportNode && id !== "default" && target[id] && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { + if (!lookupTable[id].exportsWithDuplicate) { + lookupTable[id].exportsWithDuplicate = [exportNode]; } else { - result = eachTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); - } - if (result) { - return result; - } - } - else if (target.flags & 1048576) { - result = typeRelatedToEachType(source, target, reportErrors); - if (result) { - return result; - } - } - else { - if (source.flags & 1048576) { - if (result = someTypeRelatedToType(source, target, false)) { - return result; - } - } - if (target.flags & 524288) { - if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190) && !(target.flags & 8190))) { - return result; - } + lookupTable[id].exportsWithDuplicate.push(exportNode); } } - if (source.flags & 16384) { - var constraint = getConstraintOfTypeParameter(source); - if (!constraint || constraint.flags & 1) { - constraint = emptyObjectType; - } - constraint = getTypeWithThisArgument(constraint, source); - var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; - if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { - errorInfo = saveErrorInfo; - return result; - } + } + } + function getExportsForModule(moduleSymbol) { + var visitedSymbols = []; + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + return visit(moduleSymbol) || moduleSymbol.exports; + function visit(symbol) { + if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { + return; } - else { - if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { - return result; - } + visitedSymbols.push(symbol); + var symbols = ts.cloneMap(symbol.exports); + var exportStars = symbol.exports["__export"]; + if (exportStars) { + var nestedSymbols = ts.createMap(); + var lookupTable = ts.createMap(); + for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + var exportedSymbols = visit(resolvedModule); + extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); } - var apparentSource = getApparentType(source); - if (apparentSource.flags & (2588672 | 1048576) && target.flags & 2588672) { - var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190); - if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { - errorInfo = saveErrorInfo; - return result; + for (var id in lookupTable) { + var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; + if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || symbols[id]) { + continue; + } + for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { + var node = exportsWithDuplicate_1[_b]; + diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); } } + extendExportSymbols(symbols, nestedSymbols); } - if (reportErrors) { - if (source.flags & 2588672 && target.flags & 8190) { - tryElaborateErrorsForPrimitivesAndObjects(source, target); - } - else if (source.symbol && source.flags & 2588672 && globalObjectType === source) { - reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); + return symbols; + } + } + function getMergedSymbol(symbol) { + var merged; + return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; + } + function getSymbolOfNode(node) { + return getMergedSymbol(node.symbol); + } + function getParentOfSymbol(symbol) { + return getMergedSymbol(symbol.parent); + } + function getExportSymbolOfValueSymbolIfExported(symbol) { + return symbol && (symbol.flags & 1048576) !== 0 + ? getMergedSymbol(symbol.exportSymbol) + : symbol; + } + function symbolIsValue(symbol) { + if (symbol.flags & 16777216) { + return symbolIsValue(getSymbolLinks(symbol).target); + } + if (symbol.flags & 107455) { + return true; + } + if (symbol.flags & 8388608) { + return (resolveAlias(symbol).flags & 107455) !== 0; + } + return false; + } + function findConstructorDeclaration(node) { + var members = node.members; + for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { + var member = members_1[_i]; + if (member.kind === 149 && ts.nodeIsPresent(member.body)) { + return member; + } + } + } + function createType(flags) { + var result = new Type(checker, flags); + typeCount++; + result.id = typeCount; + return result; + } + function createIntrinsicType(kind, intrinsicName) { + var type = createType(kind); + type.intrinsicName = intrinsicName; + return type; + } + function createBooleanType(trueFalseTypes) { + var type = getUnionType(trueFalseTypes); + type.flags |= 8; + type.intrinsicName = "boolean"; + return type; + } + function createObjectType(objectFlags, symbol) { + var type = createType(32768); + type.objectFlags = objectFlags; + type.symbol = symbol; + return type; + } + function isReservedMemberName(name) { + return name.charCodeAt(0) === 95 && + name.charCodeAt(1) === 95 && + name.charCodeAt(2) !== 95 && + name.charCodeAt(2) !== 64; + } + function getNamedMembers(members) { + var result; + for (var id in members) { + if (!isReservedMemberName(id)) { + if (!result) + result = []; + var symbol = members[id]; + if (symbolIsValue(symbol)) { + result.push(symbol); } - reportRelationError(headMessage, source, target); } - return 0; } - function isIdenticalTo(source, target) { - var result; - if (source.flags & 2588672 && target.flags & 2588672) { - if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, false)) { - return result; - } + return result || emptyArray; + } + function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { + type.members = members; + type.properties = getNamedMembers(members); + type.callSignatures = callSignatures; + type.constructSignatures = constructSignatures; + if (stringIndexInfo) + type.stringIndexInfo = stringIndexInfo; + if (numberIndexInfo) + type.numberIndexInfo = numberIndexInfo; + return type; + } + function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { + return setStructuredTypeMembers(createObjectType(16, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function forEachSymbolTableInScope(enclosingDeclaration, callback) { + var result; + for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { + if (location_1.locals && !isGlobalSourceFile(location_1)) { + if (result = callback(location_1.locals)) { + return result; } - return objectTypeRelatedTo(source, source, target, false); } - if (source.flags & 524288 && target.flags & 524288 || - source.flags & 1048576 && target.flags & 1048576) { - if (result = eachTypeRelatedToSomeType(source, target)) { - if (result &= eachTypeRelatedToSomeType(target, source)) { + switch (location_1.kind) { + case 256: + if (!ts.isExternalOrCommonJsModule(location_1)) { + break; + } + case 226: + if (result = callback(getSymbolOfNode(location_1).exports)) { return result; } - } + break; } - return 0; } - function isKnownProperty(type, name) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) || - resolved.stringIndexInfo || - (resolved.numberIndexInfo && isNumericLiteralName(name)) || - getPropertyOfType(type, name)) { + return callback(globals); + } + function getQualifiedLeftMeaning(rightMeaning) { + return rightMeaning === 107455 ? 107455 : 1920; + } + function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { + function getAccessibleSymbolChainFromSymbolTable(symbols) { + function canQualifySymbol(symbolFromSymbolTable, meaning) { + if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { return true; } + var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); + return !!accessibleParent; } - else if (type.flags & 1572864) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isKnownProperty(t, name)) { - return true; - } + function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { + if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { + return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && + canQualifySymbol(symbolFromSymbolTable, meaning); } } - return false; - } - function isEmptyObjectType(t) { - return t.properties.length === 0 && - t.callSignatures.length === 0 && - t.constructSignatures.length === 0 && - !t.stringIndexInfo && - !t.numberIndexInfo; - } - function hasExcessProperties(source, target, reportErrors) { - if (maybeTypeOfKind(target, 2588672) && - (!(target.flags & 2588672) || !target.isObjectLiteralPatternWithComputedProperties)) { - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (!isKnownProperty(target, prop.name)) { - if (reportErrors) { - ts.Debug.assert(!!errorNode); - errorNode = prop.valueDeclaration; - reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + if (isAccessible(symbols[symbol.name])) { + return [symbol]; + } + return ts.forEachProperty(symbols, function (symbolFromSymbolTable) { + if (symbolFromSymbolTable.flags & 8388608 + && symbolFromSymbolTable.name !== "export=" + && !ts.getDeclarationOfKind(symbolFromSymbolTable, 239)) { + if (!useOnlyExternalAliasing || + ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { + var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); + if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { + return [symbolFromSymbolTable]; + } + var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; + if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { + return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); } - return true; } } - } - return false; + }); } - function eachTypeRelatedToSomeType(source, target) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { - var sourceType = sourceTypes_1[_i]; - var related = typeRelatedToSomeType(sourceType, target, false); - if (!related) { - return 0; - } - result &= related; + if (symbol) { + if (!(isPropertyOrMethodDeclarationSymbol(symbol))) { + return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); } - return result; } - function typeRelatedToSomeType(source, target, reportErrors) { - var targetTypes = target.types; - if (target.flags & 524288 && containsType(targetTypes, source)) { - return -1; - } - var len = targetTypes.length; - for (var i = 0; i < len; i++) { - var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); - if (related) { - return related; - } + } + function needsQualification(symbol, enclosingDeclaration, meaning) { + var qualify = false; + forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { + var symbolFromSymbolTable = symbolTable[symbol.name]; + if (!symbolFromSymbolTable) { + return false; } - return 0; - } - function typeRelatedToEachType(source, target, reportErrors) { - var result = -1; - var targetTypes = target.types; - for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { - var targetType = targetTypes_1[_i]; - var related = isRelatedTo(source, targetType, reportErrors); - if (!related) { - return 0; - } - result &= related; + if (symbolFromSymbolTable === symbol) { + return true; } - return result; - } - function someTypeRelatedToType(source, target, reportErrors) { - var sourceTypes = source.types; - if (source.flags & 524288 && containsType(sourceTypes, target)) { - return -1; + symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 239)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; + if (symbolFromSymbolTable.flags & meaning) { + qualify = true; + return true; } - var len = sourceTypes.length; - for (var i = 0; i < len; i++) { - var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); - if (related) { - return related; + return false; + }); + return qualify; + } + function isPropertyOrMethodDeclarationSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + switch (declaration.kind) { + case 146: + case 148: + case 150: + case 151: + continue; + default: + return false; } } - return 0; + return true; } - function eachTypeRelatedToType(source, target, reportErrors) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { - var sourceType = sourceTypes_2[_i]; - var related = isRelatedTo(sourceType, target, reportErrors); - if (!related) { - return 0; + return false; + } + function isSymbolAccessible(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible) { + if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) { + var initialSymbol = symbol; + var meaningToLook = meaning; + while (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false); + if (accessibleSymbolChain) { + var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0], shouldComputeAliasesToMakeVisible); + if (!hasAccessibleDeclarations) { + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1920) : undefined, + }; + } + return hasAccessibleDeclarations; } - result &= related; - } - return result; - } - function typeArgumentsRelatedTo(source, target, reportErrors) { - var sources = source.typeArguments || emptyArray; - var targets = target.typeArguments || emptyArray; - if (sources.length !== targets.length && relation === identityRelation) { - return 0; + meaningToLook = getQualifiedLeftMeaning(meaning); + symbol = getParentOfSymbol(symbol); } - var length = sources.length <= targets.length ? sources.length : targets.length; - var result = -1; - for (var i = 0; i < length; i++) { - var related = isRelatedTo(sources[i], targets[i], reportErrors); - if (!related) { - return 0; + var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); + if (symbolExternalModule) { + var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); + if (symbolExternalModule !== enclosingExternalModule) { + return { + accessibility: 2, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbolToString(symbolExternalModule) + }; } - result &= related; } - return result; + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + }; } - function objectTypeRelatedTo(source, originalSource, target, reportErrors) { - if (overflow) { - return 0; - } - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - if (reportErrors && related === 2) { - relation[id] = 3; - } - else { - return related === 1 ? -1 : 0; - } - } - if (depth > 0) { - for (var i = 0; i < depth; i++) { - if (maybeStack[i][id]) { - return 1; - } - } - if (depth === 100) { - overflow = true; - return 0; + return { accessibility: 0 }; + function getExternalModuleContainer(declaration) { + for (; declaration; declaration = declaration.parent) { + if (hasExternalModuleSymbol(declaration)) { + return getSymbolOfNode(declaration); } } - else { - sourceStack = []; - targetStack = []; - maybeStack = []; - expandingFlags = 0; - } - sourceStack[depth] = source; - targetStack[depth] = target; - maybeStack[depth] = ts.createMap(); - maybeStack[depth][id] = 1; - depth++; - var saveExpandingFlags = expandingFlags; - if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) - expandingFlags |= 1; - if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) - expandingFlags |= 2; - var result; - if (expandingFlags === 3) { - result = 1; - } - else { - result = propertiesRelatedTo(source, target, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 0, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 1, reportErrors); - if (result) { - result &= indexTypesRelatedTo(source, originalSource, target, 0, reportErrors); - if (result) { - result &= indexTypesRelatedTo(source, originalSource, target, 1, reportErrors); + } + } + function hasExternalModuleSymbol(declaration) { + return ts.isAmbientModule(declaration) || (declaration.kind === 256 && ts.isExternalOrCommonJsModule(declaration)); + } + function hasVisibleDeclarations(symbol, shouldComputeAliasToMakeVisible) { + var aliasesToMakeVisible; + if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { + return undefined; + } + return { accessibility: 0, aliasesToMakeVisible: aliasesToMakeVisible }; + function getIsDeclarationVisible(declaration) { + if (!isDeclarationVisible(declaration)) { + var anyImportSyntax = getAnyImportSyntax(declaration); + if (anyImportSyntax && + !(ts.getModifierFlags(anyImportSyntax) & 1) && + isDeclarationVisible(anyImportSyntax.parent)) { + if (shouldComputeAliasToMakeVisible) { + getNodeLinks(declaration).isVisible = true; + if (aliasesToMakeVisible) { + if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { + aliasesToMakeVisible.push(anyImportSyntax); } } + else { + aliasesToMakeVisible = [anyImportSyntax]; + } } + return true; } + return false; } - expandingFlags = saveExpandingFlags; - depth--; - if (result) { - var maybeCache = maybeStack[depth]; - var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; - ts.copyProperties(maybeCache, destinationCache); - } - else { - relation[id] = reportErrors ? 3 : 2; - } - return result; + return true; } - function propertiesRelatedTo(source, target, reportErrors) { - if (relation === identityRelation) { - return propertiesIdenticalTo(source, target); - } - var result = -1; - var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 8388608); - for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { - var targetProp = properties_2[_i]; - var sourceProp = getPropertyOfType(source, targetProp.name); - if (sourceProp !== targetProp) { - if (!sourceProp) { - if (!(targetProp.flags & 536870912) || requireOptionalProperties) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); - } - return 0; - } - } - else if (!(targetProp.flags & 134217728)) { - var sourcePropFlags = getDeclarationModifierFlagsFromSymbol(sourceProp); - var targetPropFlags = getDeclarationModifierFlagsFromSymbol(targetProp); - if (sourcePropFlags & 8 || targetPropFlags & 8) { - if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { - if (reportErrors) { - if (sourcePropFlags & 8 && targetPropFlags & 8) { - reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); - } - else { - reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 8 ? source : target), typeToString(sourcePropFlags & 8 ? target : source)); - } - } - return 0; - } - } - else if (targetPropFlags & 16) { - var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; - var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; - var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); - if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); - } - return 0; - } - } - else if (sourcePropFlags & 16) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } - var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); - } - return 0; - } - result &= related; - if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } + } + function isEntityNameVisible(entityName, enclosingDeclaration) { + var meaning; + if (entityName.parent.kind === 159 || ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning = 107455 | 1048576; + } + else if (entityName.kind === 140 || entityName.kind === 173 || + entityName.parent.kind === 230) { + meaning = 1920; + } + else { + meaning = 793064; + } + var firstIdentifier = getFirstIdentifier(entityName); + var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); + return (symbol && hasVisibleDeclarations(symbol, true)) || { + accessibility: 1, + errorSymbolName: ts.getTextOfNode(firstIdentifier), + errorNode: firstIdentifier + }; + } + function writeKeyword(writer, kind) { + writer.writeKeyword(ts.tokenToString(kind)); + } + function writePunctuation(writer, kind) { + writer.writePunctuation(ts.tokenToString(kind)); + } + function writeSpace(writer) { + writer.writeSpace(" "); + } + function symbolToString(symbol, enclosingDeclaration, meaning) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function signatureToString(signature, enclosingDeclaration, flags, kind) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function typeToString(type, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; + if (maxLength && result.length >= maxLength) { + result = result.substr(0, maxLength - "...".length) + "..."; + } + return result; + } + function typePredicateToString(typePredicate, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function formatUnionTypes(types) { + var result = []; + var flags = 0; + for (var i = 0; i < types.length; i++) { + var t = types[i]; + flags |= t.flags; + if (!(t.flags & 6144)) { + if (t.flags & (128 | 256)) { + var baseType = t.flags & 128 ? booleanType : t.baseType; + var count = baseType.types.length; + if (i + count <= types.length && types[i + count - 1] === baseType.types[count - 1]) { + result.push(baseType); + i += count - 1; + continue; } } + result.push(t); } - return result; } - function propertiesIdenticalTo(source, target) { - if (!(source.flags & 2588672 && target.flags & 2588672)) { - return 0; + if (flags & 4096) + result.push(nullType); + if (flags & 2048) + result.push(undefinedType); + return result || types; + } + function visibilityToString(flags) { + if (flags === 8) { + return "private"; + } + if (flags === 16) { + return "protected"; + } + return "public"; + } + function getTypeAliasForTypeLiteral(type) { + if (type.symbol && type.symbol.flags & 2048) { + var node = type.symbol.declarations[0].parent; + while (node.kind === 165) { + node = node.parent; } - var sourceProperties = getPropertiesOfObjectType(source); - var targetProperties = getPropertiesOfObjectType(target); - if (sourceProperties.length !== targetProperties.length) { - return 0; + if (node.kind === 224) { + return getSymbolOfNode(node); } - var result = -1; - for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { - var sourceProp = sourceProperties_1[_i]; - var targetProp = getPropertyOfObjectType(target, sourceProp.name); - if (!targetProp) { - return 0; + } + return undefined; + } + function isTopLevelInExternalModuleAugmentation(node) { + return node && node.parent && + node.parent.kind === 227 && + ts.isExternalModuleAugmentation(node.parent.parent); + } + function literalTypeToString(type) { + return type.flags & 32 ? "\"" + ts.escapeString(type.text) + "\"" : type.text; + } + function getSymbolDisplayBuilder() { + function getNameOfSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + var declaration = symbol.declarations[0]; + if (declaration.name) { + return ts.declarationNameToString(declaration.name); } - var related = compareProperties(sourceProp, targetProp, isRelatedTo); - if (!related) { - return 0; + switch (declaration.kind) { + case 193: + return "(Anonymous class)"; + case 180: + case 181: + return "(Anonymous function)"; } - result &= related; } - return result; + return symbol.name; } - function signaturesRelatedTo(source, target, kind, reportErrors) { - if (relation === identityRelation) { - return signaturesIdenticalTo(source, target, kind); + function appendSymbolNameOnly(symbol, writer) { + writer.writeSymbol(getNameOfSymbol(symbol), symbol); + } + function appendPropertyOrElementAccessForSymbol(symbol, writer) { + var symbolName = getNameOfSymbol(symbol); + var firstChar = symbolName.charCodeAt(0); + var needsElementAccess = !ts.isIdentifierStart(firstChar, languageVersion); + if (needsElementAccess) { + writePunctuation(writer, 20); + if (ts.isSingleOrDoubleQuote(firstChar)) { + writer.writeStringLiteral(symbolName); + } + else { + writer.writeSymbol(symbolName, symbol); + } + writePunctuation(writer, 21); } - if (target === anyFunctionType || source === anyFunctionType) { - return -1; + else { + writePunctuation(writer, 22); + writer.writeSymbol(symbolName, symbol); } - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (kind === 1 && sourceSignatures.length && targetSignatures.length) { - if (isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); + } + function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { + var parentSymbol; + function appendParentTypeArgumentsAndSymbolName(symbol) { + if (parentSymbol) { + if (flags & 1) { + if (symbol.flags & 16777216) { + buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); + } + else { + buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); + } } - return 0; + appendPropertyOrElementAccessForSymbol(symbol, writer); } - if (!constructorVisibilitiesAreCompatible(sourceSignatures[0], targetSignatures[0], reportErrors)) { - return 0; + else { + appendSymbolNameOnly(symbol, writer); } + parentSymbol = symbol; } - var result = -1; - var saveErrorInfo = errorInfo; - outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { - var t = targetSignatures_1[_i]; - var shouldElaborateErrors = reportErrors; - for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { - var s = sourceSignatures_1[_a]; - var related = signatureRelatedTo(s, t, shouldElaborateErrors); - if (related) { - result &= related; - errorInfo = saveErrorInfo; - continue outer; + writer.trackSymbol(symbol, enclosingDeclaration, meaning); + function walkSymbol(symbol, meaning, endOfChain) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); + if (!accessibleSymbolChain || + needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { + var parent_8 = getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol); + if (parent_8) { + walkSymbol(parent_8, getQualifiedLeftMeaning(meaning), false); } - shouldElaborateErrors = false; } - if (shouldElaborateErrors) { - reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); + if (accessibleSymbolChain) { + for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { + var accessibleSymbol = accessibleSymbolChain_1[_i]; + appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + } } - return 0; - } - return result; - } - function signatureRelatedTo(source, target, reportErrors) { - return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); - } - function signaturesIdenticalTo(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (sourceSignatures.length !== targetSignatures.length) { - return 0; - } - var result = -1; - for (var i = 0, len = sourceSignatures.length; i < len; i++) { - var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, false, isRelatedTo); - if (!related) { - return 0; + else if (endOfChain || + !(!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) && + !(symbol.flags & (2048 | 4096))) { + appendParentTypeArgumentsAndSymbolName(symbol); } - result &= related; } - return result; - } - function eachPropertyRelatedTo(source, target, kind, reportErrors) { - var result = -1; - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (kind === 0 || isNumericLiteralName(prop.name)) { - var related = isRelatedTo(getTypeOfSymbol(prop), target, reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_incompatible_with_index_signature, symbolToString(prop)); - } - return 0; - } - result &= related; - } + var isTypeParameter = symbol.flags & 262144; + var typeFormatFlag = 128 & typeFlags; + if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { + walkSymbol(symbol, meaning, true); } - return result; - } - function indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors) { - var related = isRelatedTo(sourceInfo.type, targetInfo.type, reportErrors); - if (!related && reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); + else { + appendParentTypeArgumentsAndSymbolName(symbol); } - return related; } - function indexTypesRelatedTo(source, originalSource, target, kind, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(source, target, kind); - } - var targetInfo = getIndexInfoOfType(target, kind); - if (!targetInfo || ((targetInfo.type.flags & 1) && !(originalSource.flags & 8190))) { - return -1; - } - var sourceInfo = getIndexInfoOfType(source, kind) || - kind === 1 && getIndexInfoOfType(source, 0); - if (sourceInfo) { - return indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors); - } - if (isObjectLiteralType(source)) { - var related = -1; - if (kind === 0) { - var sourceNumberInfo = getIndexInfoOfType(source, 1); - if (sourceNumberInfo) { - related = indexInfoRelatedTo(sourceNumberInfo, targetInfo, reportErrors); + function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { + var globalFlagsToPass = globalFlags & 16; + var inObjectTypeLiteral = false; + return writeType(type, globalFlags); + function writeType(type, flags) { + var nextFlags = flags & ~512; + if (type.flags & 16015) { + writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) + ? "any" + : type.intrinsicName); + } + else if (type.flags & 16384 && type.isThisType) { + if (inObjectTypeLiteral) { + writer.reportInaccessibleThisError(); } + writer.writeKeyword("this"); } - if (related) { - related &= eachPropertyRelatedTo(source, targetInfo.type, kind, reportErrors); + else if (getObjectFlags(type) & 4) { + writeTypeReference(type, nextFlags); + } + else if (type.flags & 256) { + buildSymbolDisplay(getParentOfSymbol(type.symbol), writer, enclosingDeclaration, 793064, 0, nextFlags); + writePunctuation(writer, 22); + appendSymbolNameOnly(type.symbol, writer); + } + else if (getObjectFlags(type) & 3 || type.flags & (16 | 16384)) { + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); + } + else if (!(flags & 512) && ((getObjectFlags(type) & 16 && !type.target) || type.flags & 196608) && type.aliasSymbol && + isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { + var typeArguments = type.aliasTypeArguments; + writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); + } + else if (type.flags & 196608) { + writeUnionOrIntersectionType(type, nextFlags); + } + else if (getObjectFlags(type) & 16) { + writeAnonymousType(type, nextFlags); + } + else if (type.flags & 96) { + writer.writeStringLiteral(literalTypeToString(type)); + } + else { + writePunctuation(writer, 16); + writeSpace(writer); + writePunctuation(writer, 23); + writeSpace(writer); + writePunctuation(writer, 17); } - return related; - } - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0; - } - function indexTypesIdenticalTo(source, target, indexKind) { - var targetInfo = getIndexInfoOfType(target, indexKind); - var sourceInfo = getIndexInfoOfType(source, indexKind); - if (!sourceInfo && !targetInfo) { - return -1; - } - if (sourceInfo && targetInfo && sourceInfo.isReadonly === targetInfo.isReadonly) { - return isRelatedTo(sourceInfo.type, targetInfo.type); - } - return 0; - } - function constructorVisibilitiesAreCompatible(sourceSignature, targetSignature, reportErrors) { - if (!sourceSignature.declaration || !targetSignature.declaration) { - return true; - } - var sourceAccessibility = ts.getModifierFlags(sourceSignature.declaration) & 24; - var targetAccessibility = ts.getModifierFlags(targetSignature.declaration) & 24; - if (targetAccessibility === 8) { - return true; - } - if (targetAccessibility === 16 && sourceAccessibility !== 8) { - return true; - } - if (targetAccessibility !== 16 && !sourceAccessibility) { - return true; - } - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_a_0_constructor_type_to_a_1_constructor_type, visibilityToString(sourceAccessibility), visibilityToString(targetAccessibility)); } - return false; - } - } - function isAbstractConstructorType(type) { - if (type.flags & 2097152) { - var symbol = type.symbol; - if (symbol && symbol.flags & 32) { - var declaration = getClassLikeDeclarationOfSymbol(symbol); - if (declaration && ts.getModifierFlags(declaration) & 128) { - return true; + function writeTypeList(types, delimiter) { + for (var i = 0; i < types.length; i++) { + if (i > 0) { + if (delimiter !== 25) { + writeSpace(writer); + } + writePunctuation(writer, delimiter); + writeSpace(writer); + } + writeType(types[i], delimiter === 25 ? 0 : 64); } } - } - return false; - } - function isDeeplyNestedGeneric(type, stack, depth) { - if (type.flags & (131072 | 4194304) && depth >= 5) { - var symbol = type.symbol; - var count = 0; - for (var i = 0; i < depth; i++) { - var t = stack[i]; - if (t.flags & (131072 | 4194304) && t.symbol === symbol) { - count++; - if (count >= 5) - return true; + function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { + if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { + buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793064, 0, flags); + } + if (pos < end) { + writePunctuation(writer, 26); + writeType(typeArguments[pos], 256); + pos++; + while (pos < end) { + writePunctuation(writer, 25); + writeSpace(writer); + writeType(typeArguments[pos], 0); + pos++; + } + writePunctuation(writer, 28); } } - } - return false; - } - function isPropertyIdenticalTo(sourceProp, targetProp) { - return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; - } - function compareProperties(sourceProp, targetProp, compareTypes) { - if (sourceProp === targetProp) { - return -1; - } - var sourcePropAccessibility = getDeclarationModifierFlagsFromSymbol(sourceProp) & 24; - var targetPropAccessibility = getDeclarationModifierFlagsFromSymbol(targetProp) & 24; - if (sourcePropAccessibility !== targetPropAccessibility) { - return 0; - } - if (sourcePropAccessibility) { - if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { - return 0; + function writeTypeReference(type, flags) { + var typeArguments = type.typeArguments || emptyArray; + if (type.target === globalArrayType && !(flags & 1)) { + writeType(typeArguments[0], 64); + writePunctuation(writer, 20); + writePunctuation(writer, 21); + } + else if (type.target.objectFlags & 8) { + writePunctuation(writer, 20); + writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 25); + writePunctuation(writer, 21); + } + else { + var outerTypeParameters = type.target.outerTypeParameters; + var i = 0; + if (outerTypeParameters) { + var length_1 = outerTypeParameters.length; + while (i < length_1) { + var start = i; + var parent_9 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); + do { + i++; + } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_9); + if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { + writeSymbolTypeReference(parent_9, typeArguments, start, i, flags); + writePunctuation(writer, 22); + } + } + } + var typeParameterCount = (type.target.typeParameters || emptyArray).length; + writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + } } - } - else { - if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { - return 0; + function writeUnionOrIntersectionType(type, flags) { + if (flags & 64) { + writePunctuation(writer, 18); + } + if (type.flags & 65536) { + writeTypeList(formatUnionTypes(type.types), 48); + } + else { + writeTypeList(type.types, 47); + } + if (flags & 64) { + writePunctuation(writer, 19); + } } - } - if (isReadonlySymbol(sourceProp) !== isReadonlySymbol(targetProp)) { - return 0; - } - return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - function isMatchingSignature(source, target, partialMatch) { - if (source.parameters.length === target.parameters.length && - source.minArgumentCount === target.minArgumentCount && - source.hasRestParameter === target.hasRestParameter) { - return true; - } - var sourceRestCount = source.hasRestParameter ? 1 : 0; - var targetRestCount = target.hasRestParameter ? 1 : 0; - if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (sourceRestCount > targetRestCount || - sourceRestCount === targetRestCount && source.parameters.length >= target.parameters.length)) { - return true; - } - return false; - } - function compareSignaturesIdentical(source, target, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypes) { - if (source === target) { - return -1; - } - if (!(isMatchingSignature(source, target, partialMatch))) { - return 0; - } - if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { - return 0; - } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - if (!ignoreThisTypes) { - var sourceThisType = getThisTypeOfSignature(source); - if (sourceThisType) { - var targetThisType = getThisTypeOfSignature(target); - if (targetThisType) { - var related = compareTypes(sourceThisType, targetThisType); - if (!related) { - return 0; + function writeAnonymousType(type, flags) { + var symbol = type.symbol; + if (symbol) { + if (symbol.flags & (32 | 384 | 512)) { + writeTypeOfSymbol(type, flags); + } + else if (shouldWriteTypeOfFunctionSymbol()) { + writeTypeOfSymbol(type, flags); + } + else if (ts.contains(symbolStack, symbol)) { + var typeAlias = getTypeAliasForTypeLiteral(type); + if (typeAlias) { + buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags); + } + else { + writeKeyword(writer, 118); + } + } + else { + if (!symbolStack) { + symbolStack = []; + } + symbolStack.push(symbol); + writeLiteralType(type, flags); + symbolStack.pop(); + } + } + else { + writeLiteralType(type, flags); + } + function shouldWriteTypeOfFunctionSymbol() { + var isStaticMethodSymbol = !!(symbol.flags & 8192 && + ts.forEach(symbol.declarations, function (declaration) { return ts.getModifierFlags(declaration) & 32; })); + var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && + (symbol.parent || + ts.forEach(symbol.declarations, function (declaration) { + return declaration.parent.kind === 256 || declaration.parent.kind === 227; + })); + if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { + return !!(flags & 2) || + (ts.contains(symbolStack, symbol)); } - result &= related; } } - } - var targetLen = target.parameters.length; - for (var i = 0; i < targetLen; i++) { - var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfParameter(source.parameters[i]); - var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfParameter(target.parameters[i]); - var related = compareTypes(s, t); - if (!related) { - return 0; - } - result &= related; - } - if (!ignoreReturnTypes) { - result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - return result; - } - function isRestParameterIndex(signature, parameterIndex) { - return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; - } - function isSupertypeOfEach(candidate, types) { - for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { - var t = types_7[_i]; - if (candidate !== t && !isTypeSubtypeOf(t, candidate)) - return false; - } - return true; - } - function literalTypesWithSameBaseType(types) { - var commonBaseType; - for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { - var t = types_8[_i]; - var baseType = getBaseTypeOfLiteralType(t); - if (!commonBaseType) { - commonBaseType = baseType; + function writeTypeOfSymbol(type, typeFormatFlags) { + writeKeyword(writer, 102); + writeSpace(writer); + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); } - if (baseType === t || baseType !== commonBaseType) { - return false; + function writeIndexSignature(info, keyword) { + if (info) { + if (info.isReadonly) { + writeKeyword(writer, 129); + writeSpace(writer); + } + writePunctuation(writer, 20); + writer.writeParameter(info.declaration ? ts.declarationNameToString(info.declaration.parameters[0].name) : "x"); + writePunctuation(writer, 55); + writeSpace(writer); + writeKeyword(writer, keyword); + writePunctuation(writer, 21); + writePunctuation(writer, 55); + writeSpace(writer); + writeType(info.type, 0); + writePunctuation(writer, 24); + writer.writeLine(); + } } - } - return true; - } - function getSupertypeOrUnion(types) { - return literalTypesWithSameBaseType(types) ? getUnionType(types) : ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); - } - function getCommonSupertype(types) { - if (!strictNullChecks) { - return getSupertypeOrUnion(types); - } - var primaryTypes = ts.filter(types, function (t) { return !(t.flags & 6144); }); - if (!primaryTypes.length) { - return getUnionType(types, true); - } - var supertype = getSupertypeOrUnion(primaryTypes); - return supertype && includeFalsyTypes(supertype, getFalsyFlagsOfTypes(types) & 6144); - } - function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { - var bestSupertype; - var bestSupertypeDownfallType; - var bestSupertypeScore = 0; - for (var i = 0; i < types.length; i++) { - var score = 0; - var downfallType = undefined; - for (var j = 0; j < types.length; j++) { - if (isTypeSubtypeOf(types[j], types[i])) { - score++; + function writePropertyWithModifiers(prop) { + if (isReadonlySymbol(prop)) { + writeKeyword(writer, 129); + writeSpace(writer); } - else if (!downfallType) { - downfallType = types[j]; + buildSymbolDisplay(prop, writer); + if (prop.flags & 536870912) { + writePunctuation(writer, 54); } } - ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); - if (score > bestSupertypeScore) { - bestSupertype = types[i]; - bestSupertypeDownfallType = downfallType; - bestSupertypeScore = score; + function shouldAddParenthesisAroundFunctionType(callSignature, flags) { + if (flags & 64) { + return true; + } + else if (flags & 256) { + var typeParameters = callSignature.target && (flags & 32) ? + callSignature.target.typeParameters : callSignature.typeParameters; + return typeParameters && typeParameters.length !== 0; + } + return false; } - if (bestSupertypeScore === types.length - 1) { - break; + function writeLiteralType(type, flags) { + var resolved = resolveStructuredTypeMembers(type); + if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { + if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { + writePunctuation(writer, 16); + writePunctuation(writer, 17); + return; + } + if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { + var parenthesizeSignature = shouldAddParenthesisAroundFunctionType(resolved.callSignatures[0], flags); + if (parenthesizeSignature) { + writePunctuation(writer, 18); + } + buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (parenthesizeSignature) { + writePunctuation(writer, 19); + } + return; + } + if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { + if (flags & 64) { + writePunctuation(writer, 18); + } + writeKeyword(writer, 93); + writeSpace(writer); + buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (flags & 64) { + writePunctuation(writer, 19); + } + return; + } + } + var saveInObjectTypeLiteral = inObjectTypeLiteral; + inObjectTypeLiteral = true; + writePunctuation(writer, 16); + writer.writeLine(); + writer.increaseIndent(); + for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 24); + writer.writeLine(); + } + for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); + writePunctuation(writer, 24); + writer.writeLine(); + } + writeIndexSignature(resolved.stringIndexInfo, 133); + writeIndexSignature(resolved.numberIndexInfo, 131); + for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { + var signatures = getSignaturesOfType(t, 0); + for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { + var signature = signatures_1[_f]; + writePropertyWithModifiers(p); + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 24); + writer.writeLine(); + } + } + else { + writePropertyWithModifiers(p); + writePunctuation(writer, 55); + writeSpace(writer); + writeType(t, 0); + writePunctuation(writer, 24); + writer.writeLine(); + } + } + writer.decreaseIndent(); + writePunctuation(writer, 17); + inObjectTypeLiteral = saveInObjectTypeLiteral; } } - checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); - } - function isArrayType(type) { - return type.flags & 131072 && type.target === globalArrayType; - } - function isArrayLikeType(type) { - return type.flags & 131072 && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || - !(type.flags & 6144) && isTypeAssignableTo(type, anyReadonlyArrayType); - } - function isTupleLikeType(type) { - return !!getPropertyOfType(type, "0"); - } - function isUnitType(type) { - return (type.flags & (480 | 2048 | 4096)) !== 0; - } - function isLiteralType(type) { - return type.flags & 8 ? true : - type.flags & 524288 ? type.flags & 16 ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : - isUnitType(type); - } - function getBaseTypeOfLiteralType(type) { - return type.flags & 32 ? stringType : - type.flags & 64 ? numberType : - type.flags & 128 ? booleanType : - type.flags & 256 ? type.baseType : - type.flags & 524288 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : - type; - } - function getWidenedLiteralType(type) { - return type.flags & 32 && type.flags & 16777216 ? stringType : - type.flags & 64 && type.flags & 16777216 ? numberType : - type.flags & 128 ? booleanType : - type.flags & 256 ? type.baseType : - type.flags & 524288 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : - type; - } - function isTupleType(type) { - return !!(type.flags & 131072 && type.target.flags & 262144); - } - function getFalsyFlagsOfTypes(types) { - var result = 0; - for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { - var t = types_9[_i]; - result |= getFalsyFlags(t); - } - return result; - } - function getFalsyFlags(type) { - return type.flags & 524288 ? getFalsyFlagsOfTypes(type.types) : - type.flags & 32 ? type.text === "" ? 32 : 0 : - type.flags & 64 ? type.text === "0" ? 64 : 0 : - type.flags & 128 ? type === falseType ? 128 : 0 : - type.flags & 7406; - } - function includeFalsyTypes(type, flags) { - if ((getFalsyFlags(type) & flags) === flags) { - return type; - } - var types = [type]; - if (flags & 34) - types.push(emptyStringType); - if (flags & 340) - types.push(zeroType); - if (flags & 136) - types.push(falseType); - if (flags & 1024) - types.push(voidType); - if (flags & 2048) - types.push(undefinedType); - if (flags & 4096) - types.push(nullType); - return getUnionType(types, true); - } - function removeDefinitelyFalsyTypes(type) { - return getFalsyFlags(type) & 7392 ? - filterType(type, function (t) { return !(getFalsyFlags(t) & 7392); }) : - type; - } - function getNonNullableType(type) { - return strictNullChecks ? getTypeWithFacts(type, 524288) : type; - } - function isObjectLiteralType(type) { - return type.symbol && (type.symbol.flags & (4096 | 2048)) !== 0 && - getSignaturesOfType(type, 0).length === 0 && - getSignaturesOfType(type, 1).length === 0; - } - function createTransientSymbol(source, type) { - var symbol = createSymbol(source.flags | 67108864, source.name); - symbol.declarations = source.declarations; - symbol.parent = source.parent; - symbol.type = type; - symbol.target = source; - if (source.valueDeclaration) { - symbol.valueDeclaration = source.valueDeclaration; - } - return symbol; - } - function transformTypeOfMembers(type, f) { - var members = ts.createMap(); - for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) { - var property = _a[_i]; - var original = getTypeOfSymbol(property); - var updated = f(original); - members[property.name] = updated === original ? property : createTransientSymbol(property, updated); - } - ; - return members; - } - function getRegularTypeOfObjectLiteral(type) { - if (!(type.flags & 8388608 && type.flags & 16777216)) { - return type; + function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { + var targetSymbol = getTargetSymbol(symbol); + if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { + buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + } } - var regularType = type.regularType; - if (regularType) { - return regularType; + function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { + appendSymbolNameOnly(tp.symbol, writer); + var constraint = getConstraintOfTypeParameter(tp); + if (constraint) { + writeSpace(writer); + writeKeyword(writer, 84); + writeSpace(writer); + buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + } } - var resolved = type; - var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); - var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo); - regularNew.flags = resolved.flags & ~16777216; - type.regularType = regularNew; - return regularNew; - } - function getWidenedTypeOfObjectLiteral(type) { - var members = transformTypeOfMembers(type, function (prop) { - var widened = getWidenedType(prop); - return prop === widened ? prop : widened; - }); - var stringIndexInfo = getIndexInfoOfType(type, 0); - var numberIndexInfo = getIndexInfoOfType(type, 1); - return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly)); - } - function getWidenedConstituentType(type) { - return type.flags & 6144 ? type : getWidenedType(type); - } - function getWidenedType(type) { - if (type.flags & 100663296) { - if (type.flags & 6144) { - return anyType; + function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { + var parameterNode = p.valueDeclaration; + if (ts.isRestParameter(parameterNode)) { + writePunctuation(writer, 23); } - if (type.flags & 8388608) { - return getWidenedTypeOfObjectLiteral(type); + if (ts.isBindingPattern(parameterNode.name)) { + buildBindingPatternDisplay(parameterNode.name, writer, enclosingDeclaration, flags, symbolStack); } - if (type.flags & 524288) { - return getUnionType(ts.sameMap(type.types, getWidenedConstituentType)); + else { + appendSymbolNameOnly(p, writer); } - if (isArrayType(type) || isTupleType(type)) { - return createTypeReference(type.target, ts.sameMap(type.typeArguments, getWidenedType)); + if (isOptionalParameter(parameterNode)) { + writePunctuation(writer, 54); } + writePunctuation(writer, 55); + writeSpace(writer); + buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); } - return type; - } - function reportWideningErrorsInType(type) { - var errorReported = false; - if (type.flags & 524288) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } + function buildBindingPatternDisplay(bindingPattern, writer, enclosingDeclaration, flags, symbolStack) { + if (bindingPattern.kind === 168) { + writePunctuation(writer, 16); + buildDisplayForCommaSeparatedList(bindingPattern.elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); + writePunctuation(writer, 17); } - } - if (isArrayType(type) || isTupleType(type)) { - for (var _b = 0, _c = type.typeArguments; _b < _c.length; _b++) { - var t = _c[_b]; - if (reportWideningErrorsInType(t)) { - errorReported = true; + else if (bindingPattern.kind === 169) { + writePunctuation(writer, 20); + var elements = bindingPattern.elements; + buildDisplayForCommaSeparatedList(elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); + if (elements && elements.hasTrailingComma) { + writePunctuation(writer, 25); } + writePunctuation(writer, 21); } } - if (type.flags & 8388608) { - for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (t.flags & 33554432) { - if (!reportWideningErrorsInType(t)) { - error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); - } - errorReported = true; - } + function buildBindingElementDisplay(bindingElement, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isOmittedExpression(bindingElement)) { + return; } - } - return errorReported; - } - function reportImplicitAnyError(declaration, type) { - var typeAsString = typeToString(getWidenedType(type)); - var diagnostic; - switch (declaration.kind) { - case 146: - case 145: - diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; - break; - case 143: - diagnostic = declaration.dotDotDotToken ? - ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : - ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; - break; - case 170: - diagnostic = ts.Diagnostics.Binding_element_0_implicitly_has_an_1_type; - break; - case 221: - case 148: - case 147: - case 150: - case 151: - case 180: - case 181: - if (!declaration.name) { - error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); - return; - } - diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; - break; - default: - diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; - } - error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); - } - function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 33554432) { - if (!reportWideningErrorsInType(type)) { - reportImplicitAnyError(declaration, type); + ts.Debug.assert(bindingElement.kind === 170); + if (bindingElement.propertyName) { + writer.writeSymbol(ts.getTextOfNode(bindingElement.propertyName), bindingElement.symbol); + writePunctuation(writer, 55); + writeSpace(writer); } - } - } - function forEachMatchingParameterType(source, target, callback) { - var sourceMax = source.parameters.length; - var targetMax = target.parameters.length; - var count; - if (source.hasRestParameter && target.hasRestParameter) { - count = Math.max(sourceMax, targetMax); - } - else if (source.hasRestParameter) { - count = targetMax; - } - else if (target.hasRestParameter) { - count = sourceMax; - } - else { - count = Math.min(sourceMax, targetMax); - } - for (var i = 0; i < count; i++) { - callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i)); - } - } - function createInferenceContext(signature, inferUnionTypes) { - var inferences = ts.map(signature.typeParameters, createTypeInferencesObject); - return { - signature: signature, - inferUnionTypes: inferUnionTypes, - inferences: inferences, - inferredTypes: new Array(signature.typeParameters.length), - }; - } - function createTypeInferencesObject() { - return { - primary: undefined, - secondary: undefined, - topLevel: true, - isFixed: false, - }; - } - function couldContainTypeParameters(type) { - return !!(type.flags & 16384 || - type.flags & 131072 && ts.forEach(type.typeArguments, couldContainTypeParameters) || - type.flags & 2097152 && type.symbol && type.symbol.flags & (8192 | 2048 | 32) || - type.flags & 1572864 && couldUnionOrIntersectionContainTypeParameters(type)); - } - function couldUnionOrIntersectionContainTypeParameters(type) { - if (type.couldContainTypeParameters === undefined) { - type.couldContainTypeParameters = ts.forEach(type.types, couldContainTypeParameters); - } - return type.couldContainTypeParameters; - } - function isTypeParameterAtTopLevel(type, typeParameter) { - return type === typeParameter || type.flags & 1572864 && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); - } - function inferTypes(context, originalSource, originalTarget) { - var typeParameters = context.signature.typeParameters; - var sourceStack; - var targetStack; - var depth = 0; - var inferiority = 0; - var visited = ts.createMap(); - inferFromTypes(originalSource, originalTarget); - function isInProcess(source, target) { - for (var i = 0; i < depth; i++) { - if (source === sourceStack[i] && target === targetStack[i]) { - return true; + if (ts.isBindingPattern(bindingElement.name)) { + buildBindingPatternDisplay(bindingElement.name, writer, enclosingDeclaration, flags, symbolStack); + } + else { + if (bindingElement.dotDotDotToken) { + writePunctuation(writer, 23); } + appendSymbolNameOnly(bindingElement.symbol, writer); } - return false; } - function inferFromTypes(source, target) { - if (!couldContainTypeParameters(target)) { - return; + function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 26); + buildDisplayForCommaSeparatedList(typeParameters, writer, function (p) { return buildTypeParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack); }); + writePunctuation(writer, 28); } - if (source.flags & 524288 && target.flags & 524288 && !(source.flags & 16 && target.flags & 16) || - source.flags & 1048576 && target.flags & 1048576) { - if (source === target) { - for (var _i = 0, _a = source.types; _i < _a.length; _i++) { - var t = _a[_i]; - inferFromTypes(t, t); - } - return; - } - var matchingTypes = void 0; - for (var _b = 0, _c = source.types; _b < _c.length; _b++) { - var t = _c[_b]; - if (typeIdenticalToSomeType(t, target.types)) { - (matchingTypes || (matchingTypes = [])).push(t); - inferFromTypes(t, t); - } - else if (t.flags & (64 | 32)) { - var b = getBaseTypeOfLiteralType(t); - if (typeIdenticalToSomeType(b, target.types)) { - (matchingTypes || (matchingTypes = [])).push(t, b); - } - } - } - if (matchingTypes) { - source = removeTypesFromUnionOrIntersection(source, matchingTypes); - target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + function buildDisplayForCommaSeparatedList(list, writer, action) { + for (var i = 0; i < list.length; i++) { + if (i > 0) { + writePunctuation(writer, 25); + writeSpace(writer); } + action(list[i]); } - if (target.flags & 16384) { - if (source.flags & 134217728) { - return; - } + } + function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 26); + var flags = 256; for (var i = 0; i < typeParameters.length; i++) { - if (target === typeParameters[i]) { - var inferences = context.inferences[i]; - if (!inferences.isFixed) { - var candidates = inferiority ? - inferences.secondary || (inferences.secondary = []) : - inferences.primary || (inferences.primary = []); - if (!ts.contains(candidates, source)) { - candidates.push(source); - } - if (!isTypeParameterAtTopLevel(originalTarget, target)) { - inferences.topLevel = false; - } - } - return; + if (i > 0) { + writePunctuation(writer, 25); + writeSpace(writer); + flags = 0; } + buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, flags); } + writePunctuation(writer, 28); } - else if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { - var sourceTypes = source.typeArguments || emptyArray; - var targetTypes = target.typeArguments || emptyArray; - var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; - for (var i = 0; i < count; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } + } + function buildDisplayForParametersAndDelimiters(thisParameter, parameters, writer, enclosingDeclaration, flags, symbolStack) { + writePunctuation(writer, 18); + if (thisParameter) { + buildParameterDisplay(thisParameter, writer, enclosingDeclaration, flags, symbolStack); } - else if (target.flags & 1572864) { - var targetTypes = target.types; - var typeParameterCount = 0; - var typeParameter = void 0; - for (var _d = 0, targetTypes_2 = targetTypes; _d < targetTypes_2.length; _d++) { - var t = targetTypes_2[_d]; - if (t.flags & 16384 && ts.contains(typeParameters, t)) { - typeParameter = t; - typeParameterCount++; - } - else { - inferFromTypes(source, t); - } - } - if (typeParameterCount === 1) { - inferiority++; - inferFromTypes(source, typeParameter); - inferiority--; + for (var i = 0; i < parameters.length; i++) { + if (i > 0 || thisParameter) { + writePunctuation(writer, 25); + writeSpace(writer); } + buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); } - else if (source.flags & 1572864) { - var sourceTypes = source.types; - for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) { - var sourceType = sourceTypes_3[_e]; - inferFromTypes(sourceType, target); - } + writePunctuation(writer, 19); + } + function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isIdentifierTypePredicate(predicate)) { + writer.writeParameter(predicate.parameterName); } else { - source = getApparentType(source); - if (source.flags & 2588672) { - if (isInProcess(source, target)) { - return; - } - if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { - return; - } - var key = source.id + "," + target.id; - if (visited[key]) { - return; - } - visited[key] = true; - if (depth === 0) { - sourceStack = []; - targetStack = []; - } - sourceStack[depth] = source; - targetStack[depth] = target; - depth++; - inferFromProperties(source, target); - inferFromSignatures(source, target, 0); - inferFromSignatures(source, target, 1); - inferFromIndexTypes(source, target); - depth--; - } + writeKeyword(writer, 98); } + writeSpace(writer); + writeKeyword(writer, 125); + writeSpace(writer); + buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); } - function inferFromProperties(source, target) { - var properties = getPropertiesOfObjectType(target); - for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { - var targetProp = properties_3[_i]; - var sourceProp = getPropertyOfObjectType(source, targetProp.name); - if (sourceProp) { - inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } + function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { + if (flags & 8) { + writeSpace(writer); + writePunctuation(writer, 35); } - } - function inferFromSignatures(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - var sourceLen = sourceSignatures.length; - var targetLen = targetSignatures.length; - var len = sourceLen < targetLen ? sourceLen : targetLen; - for (var i = 0; i < len; i++) { - inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + else { + writePunctuation(writer, 55); } - } - function inferFromParameterTypes(source, target) { - return inferFromTypes(source, target); - } - function inferFromSignature(source, target) { - forEachMatchingParameterType(source, target, inferFromParameterTypes); - if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { - inferFromTypes(source.typePredicate.type, target.typePredicate.type); + writeSpace(writer); + if (signature.typePredicate) { + buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); } else { - inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + var returnType = getReturnTypeOfSignature(signature); + buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); } } - function inferFromIndexTypes(source, target) { - var targetStringIndexType = getIndexTypeOfType(target, 0); - if (targetStringIndexType) { - var sourceIndexType = getIndexTypeOfType(source, 0) || - getImplicitIndexTypeOfType(source, 0); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetStringIndexType); - } + function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { + if (kind === 1) { + writeKeyword(writer, 93); + writeSpace(writer); } - var targetNumberIndexType = getIndexTypeOfType(target, 1); - if (targetNumberIndexType) { - var sourceIndexType = getIndexTypeOfType(source, 1) || - getIndexTypeOfType(source, 0) || - getImplicitIndexTypeOfType(source, 1); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetNumberIndexType); - } + if (signature.target && (flags & 32)) { + buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + } + else { + buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); } + buildDisplayForParametersAndDelimiters(signature.thisParameter, signature.parameters, writer, enclosingDeclaration, flags, symbolStack); + buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); } + return _displayBuilder || (_displayBuilder = { + buildSymbolDisplay: buildSymbolDisplay, + buildTypeDisplay: buildTypeDisplay, + buildTypeParameterDisplay: buildTypeParameterDisplay, + buildTypePredicateDisplay: buildTypePredicateDisplay, + buildParameterDisplay: buildParameterDisplay, + buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, + buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, + buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, + buildSignatureDisplay: buildSignatureDisplay, + buildReturnTypeDisplay: buildReturnTypeDisplay + }); } - function typeIdenticalToSomeType(type, types) { - for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { - var t = types_10[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; + function isDeclarationVisible(node) { + if (node) { + var links = getNodeLinks(node); + if (links.isVisible === undefined) { + links.isVisible = !!determineIfDeclarationIsVisible(); } + return links.isVisible; } return false; - } - function removeTypesFromUnionOrIntersection(type, typesToRemove) { - var reducedTypes = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!typeIdenticalToSomeType(t, typesToRemove)) { - reducedTypes.push(t); + function determineIfDeclarationIsVisible() { + switch (node.kind) { + case 170: + return isDeclarationVisible(node.parent.parent); + case 219: + if (ts.isBindingPattern(node.name) && + !node.name.elements.length) { + return false; + } + case 226: + case 222: + case 223: + case 224: + case 221: + case 225: + case 230: + if (ts.isExternalModuleAugmentation(node)) { + return true; + } + var parent_10 = getDeclarationContainer(node); + if (!(ts.getCombinedModifierFlags(node) & 1) && + !(node.kind !== 230 && parent_10.kind !== 256 && ts.isInAmbientContext(parent_10))) { + return isGlobalSourceFile(parent_10); + } + return isDeclarationVisible(parent_10); + case 146: + case 145: + case 150: + case 151: + case 148: + case 147: + if (ts.getModifierFlags(node) & (8 | 16)) { + return false; + } + case 149: + case 153: + case 152: + case 154: + case 143: + case 227: + case 157: + case 158: + case 160: + case 156: + case 161: + case 162: + case 163: + case 164: + case 165: + return isDeclarationVisible(node.parent); + case 232: + case 233: + case 235: + return false; + case 142: + case 256: + case 229: + return true; + case 236: + return false; + default: + return false; } } - return type.flags & 524288 ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); - } - function getInferenceCandidates(context, index) { - var inferences = context.inferences[index]; - return inferences.primary || inferences.secondary || emptyArray; } - function hasPrimitiveConstraint(type) { - var constraint = getConstraintOfTypeParameter(type); - return constraint && maybeTypeOfKind(constraint, 8190); - } - function getInferredType(context, index) { - var inferredType = context.inferredTypes[index]; - var inferenceSucceeded; - if (!inferredType) { - var inferences = getInferenceCandidates(context, index); - if (inferences.length) { - var signature = context.signature; - var widenLiteralTypes = context.inferences[index].topLevel && - !hasPrimitiveConstraint(signature.typeParameters[index]) && - (context.inferences[index].isFixed || !isTypeParameterAtTopLevel(getReturnTypeOfSignature(signature), signature.typeParameters[index])); - var baseInferences = widenLiteralTypes ? ts.sameMap(inferences, getWidenedLiteralType) : inferences; - var unionOrSuperType = context.inferUnionTypes ? getUnionType(baseInferences, true) : getCommonSupertype(baseInferences); - inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; - inferenceSucceeded = !!unionOrSuperType; - } - else { - inferredType = emptyObjectType; - inferenceSucceeded = true; - } - context.inferredTypes[index] = inferredType; - if (inferenceSucceeded) { - var constraint = getConstraintOfTypeParameter(context.signature.typeParameters[index]); - if (constraint) { - var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); - if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { - context.inferredTypes[index] = inferredType = instantiatedConstraint; + function collectLinkedAliases(node) { + var exportSymbol; + if (node.parent && node.parent.kind === 236) { + exportSymbol = resolveName(node.parent, node.text, 107455 | 793064 | 1920 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); + } + else if (node.parent.kind === 239) { + var exportSpecifier = node.parent; + exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? + getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : + resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793064 | 1920 | 8388608); + } + var result = []; + if (exportSymbol) { + buildVisibleNodeList(exportSymbol.declarations); + } + return result; + function buildVisibleNodeList(declarations) { + ts.forEach(declarations, function (declaration) { + getNodeLinks(declaration).isVisible = true; + var resultNode = getAnyImportSyntax(declaration) || declaration; + if (!ts.contains(result, resultNode)) { + result.push(resultNode); + } + if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { + var internalModuleReference = declaration.moduleReference; + var firstIdentifier = getFirstIdentifier(internalModuleReference); + var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793064 | 1920, undefined, undefined); + if (importSymbol) { + buildVisibleNodeList(importSymbol.declarations); } } + }); + } + } + function pushTypeResolution(target, propertyName) { + var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); + if (resolutionCycleStartIndex >= 0) { + var length_2 = resolutionTargets.length; + for (var i = resolutionCycleStartIndex; i < length_2; i++) { + resolutionResults[i] = false; } - else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { - context.failedTypeParameterIndex = index; - } + return false; } - return inferredType; + resolutionTargets.push(target); + resolutionResults.push(true); + resolutionPropertyNames.push(propertyName); + return true; } - function getInferredTypes(context) { - for (var i = 0; i < context.inferredTypes.length; i++) { - getInferredType(context, i); + function findResolutionCycleStartIndex(target, propertyName) { + for (var i = resolutionTargets.length - 1; i >= 0; i--) { + if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { + return -1; + } + if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { + return i; + } } - return context.inferredTypes; + return -1; } - function getResolvedSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - links.resolvedSymbol = !ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node) || unknownSymbol; + function hasType(target, propertyName) { + if (propertyName === 0) { + return getSymbolLinks(target).type; } - return links.resolvedSymbol; + if (propertyName === 2) { + return getSymbolLinks(target).declaredType; + } + if (propertyName === 1) { + return target.resolvedBaseConstructorType; + } + if (propertyName === 3) { + return target.resolvedReturnType; + } + ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); } - function isInTypeQuery(node) { + function popTypeResolution() { + resolutionTargets.pop(); + resolutionPropertyNames.pop(); + return resolutionResults.pop(); + } + function getDeclarationContainer(node) { + node = ts.getRootDeclaration(node); while (node) { switch (node.kind) { - case 159: - return true; - case 70: - case 140: + case 219: + case 220: + case 235: + case 234: + case 233: + case 232: node = node.parent; - continue; + break; default: - return false; + return node.parent; } } - ts.Debug.fail("should not get here"); } - function getFlowCacheKey(node) { - if (node.kind === 70) { - var symbol = getResolvedSymbol(node); - return symbol !== unknownSymbol ? "" + getSymbolId(symbol) : undefined; - } - if (node.kind === 98) { - return "0"; - } - if (node.kind === 173) { - var key = getFlowCacheKey(node.expression); - return key && key + "." + node.name.text; - } - return undefined; + function getTypeOfPrototypeProperty(prototype) { + var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); + return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; } - function getLeftmostIdentifierOrThis(node) { - switch (node.kind) { - case 70: - case 98: - return node; - case 173: - return getLeftmostIdentifierOrThis(node.expression); - } - return undefined; + function getTypeOfPropertyOfType(type, name) { + var prop = getPropertyOfType(type, name); + return prop ? getTypeOfSymbol(prop) : undefined; } - function isMatchingReference(source, target) { - switch (source.kind) { - case 70: - return target.kind === 70 && getResolvedSymbol(source) === getResolvedSymbol(target) || - (target.kind === 219 || target.kind === 170) && - getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(source)) === getSymbolOfNode(target); - case 98: - return target.kind === 98; - case 173: - return target.kind === 173 && - source.name.text === target.name.text && - isMatchingReference(source.expression, target.expression); - } - return false; + function isTypeAny(type) { + return type && (type.flags & 1) !== 0; } - function containsMatchingReference(source, target) { - while (source.kind === 173) { - source = source.expression; - if (isMatchingReference(source, target)) { - return true; - } - } - return false; + function isTypeNever(type) { + return type && (type.flags & 8192) !== 0; } - function containsMatchingReferenceDiscriminant(source, target) { - return target.kind === 173 && - containsMatchingReference(source, target.expression) && - isDiscriminantProperty(getDeclaredTypeOfReference(target.expression), target.name.text); + function getTypeForBindingElementParent(node) { + var symbol = getSymbolOfNode(node); + return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node, false); } - function getDeclaredTypeOfReference(expr) { - if (expr.kind === 70) { - return getTypeOfSymbol(getResolvedSymbol(expr)); - } - if (expr.kind === 173) { - var type = getDeclaredTypeOfReference(expr.expression); - return type && getTypeOfPropertyOfType(type, expr.name.text); + function getTextOfPropertyName(name) { + switch (name.kind) { + case 70: + return name.text; + case 9: + case 8: + return name.text; + case 141: + if (ts.isStringOrNumericLiteral(name.expression.kind)) { + return name.expression.text; + } } return undefined; } - function isDiscriminantProperty(type, name) { - if (type && type.flags & 524288) { - var prop = getUnionOrIntersectionProperty(type, name); - if (prop && prop.flags & 268435456) { - if (prop.isDiscriminantProperty === undefined) { - prop.isDiscriminantProperty = prop.hasNonUniformType && isLiteralType(getTypeOfSymbol(prop)); - } - return prop.isDiscriminantProperty; + function isComputedNonLiteralName(name) { + return name.kind === 141 && !ts.isStringOrNumericLiteral(name.expression.kind); + } + function getTypeForBindingElement(declaration) { + var pattern = declaration.parent; + var parentType = getTypeForBindingElementParent(pattern.parent); + if (parentType === unknownType) { + return unknownType; + } + if (!parentType || isTypeAny(parentType)) { + if (declaration.initializer) { + return checkDeclarationInitializer(declaration); } + return parentType; } - return false; - } - function isOrContainsMatchingReference(source, target) { - return isMatchingReference(source, target) || containsMatchingReference(source, target); - } - function hasMatchingArgument(callExpression, reference) { - if (callExpression.arguments) { - for (var _i = 0, _a = callExpression.arguments; _i < _a.length; _i++) { - var argument = _a[_i]; - if (isOrContainsMatchingReference(reference, argument)) { - return true; + var type; + if (pattern.kind === 168) { + var name_17 = declaration.propertyName || declaration.name; + if (isComputedNonLiteralName(name_17)) { + return anyType; + } + if (declaration.initializer) { + getContextualType(declaration.initializer); + } + var text = getTextOfPropertyName(name_17); + type = getTypeOfPropertyOfType(parentType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || + getIndexTypeOfType(parentType, 0); + if (!type) { + error(name_17, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_17)); + return unknownType; + } + } + else { + var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); + if (!declaration.dotDotDotToken) { + var propName = "" + ts.indexOf(pattern.elements, declaration); + type = isTupleLikeType(parentType) + ? getTypeOfPropertyOfType(parentType, propName) + : elementType; + if (!type) { + if (isTupleType(parentType)) { + error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), getTypeReferenceArity(parentType), pattern.elements.length); + } + else { + error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + } + return unknownType; } } + else { + type = createArrayType(elementType); + } } - if (callExpression.expression.kind === 173 && - isOrContainsMatchingReference(reference, callExpression.expression.expression)) { - return true; + if (strictNullChecks && declaration.initializer && !(getFalsyFlags(checkExpressionCached(declaration.initializer)) & 2048)) { + type = getTypeWithFacts(type, 131072); } - return false; + return declaration.initializer ? + getUnionType([type, checkExpressionCached(declaration.initializer)], true) : + type; } - function getFlowNodeId(flow) { - if (!flow.id) { - flow.id = nextFlowId; - nextFlowId++; + function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (jsDocType) { + return getTypeFromTypeNode(jsDocType); } - return flow.id; } - function typeMaybeAssignableTo(source, target) { - if (!(source.flags & 524288)) { - return isTypeAssignableTo(source, target); + function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var typeTag = ts.getJSDocTypeTag(declaration); + if (typeTag && typeTag.typeExpression) { + return typeTag.typeExpression.type; } - for (var _i = 0, _a = source.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isTypeAssignableTo(t, target)) { - return true; + if (declaration.kind === 219 && + declaration.parent.kind === 220 && + declaration.parent.parent.kind === 201) { + var annotation = ts.getJSDocTypeTag(declaration.parent.parent); + if (annotation && annotation.typeExpression) { + return annotation.typeExpression.type; } } - return false; - } - function getAssignmentReducedType(declaredType, assignedType) { - if (declaredType !== assignedType) { - if (assignedType.flags & 8192) { - return assignedType; - } - var reducedType = filterType(declaredType, function (t) { return typeMaybeAssignableTo(assignedType, t); }); - if (!(reducedType.flags & 8192)) { - return reducedType; + else if (declaration.kind === 143) { + var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type; } } - return declaredType; + return undefined; } - function getTypeFactsOfTypes(types) { - var result = 0; - for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { - var t = types_11[_i]; - result |= getTypeFacts(t); - } - return result; + function isNullOrUndefined(node) { + var expr = ts.skipParentheses(node); + return expr.kind === 94 || expr.kind === 70 && getResolvedSymbol(expr) === undefinedSymbol; } - function isFunctionObjectType(type) { - var resolved = resolveStructuredTypeMembers(type); - return !!(resolved.callSignatures.length || resolved.constructSignatures.length || - resolved.members["bind"] && isTypeSubtypeOf(type, globalFunctionType)); + function isEmptyArrayLiteral(node) { + var expr = ts.skipParentheses(node); + return expr.kind === 171 && expr.elements.length === 0; } - function getTypeFacts(type) { - var flags = type.flags; - if (flags & 2) { - return strictNullChecks ? 4079361 : 4194049; + function addOptionality(type, optional) { + return strictNullChecks && optional ? includeFalsyTypes(type, 2048) : type; + } + function getTypeForVariableLikeDeclaration(declaration, includeOptionality) { + if (declaration.flags & 1048576) { + var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (type && type !== unknownType) { + return type; + } } - if (flags & 32) { - return strictNullChecks ? - type.text === "" ? 3030785 : 1982209 : - type.text === "" ? 3145473 : 4194049; + if (declaration.parent.parent.kind === 208) { + return stringType; } - if (flags & (4 | 16)) { - return strictNullChecks ? 4079234 : 4193922; + if (declaration.parent.parent.kind === 209) { + return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; } - if (flags & (64 | 256)) { - var isZero = type.text === "0"; - return strictNullChecks ? - isZero ? 3030658 : 1982082 : - isZero ? 3145346 : 4193922; + if (ts.isBindingPattern(declaration.parent)) { + return getTypeForBindingElement(declaration); } - if (flags & 8) { - return strictNullChecks ? 4078980 : 4193668; + if (declaration.type) { + return addOptionality(getTypeFromTypeNode(declaration.type), declaration.questionToken && includeOptionality); } - if (flags & 136) { - return strictNullChecks ? - type === falseType ? 3030404 : 1981828 : - type === falseType ? 3145092 : 4193668; + if (declaration.kind === 219 && !ts.isBindingPattern(declaration.name) && + !(ts.getCombinedModifierFlags(declaration) & 1) && !ts.isInAmbientContext(declaration)) { + if (!(ts.getCombinedNodeFlags(declaration) & 2) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) { + return autoType; + } + if (declaration.initializer && isEmptyArrayLiteral(declaration.initializer)) { + return autoArrayType; + } } - if (flags & 2588672) { - return isFunctionObjectType(type) ? - strictNullChecks ? 6164448 : 8376288 : - strictNullChecks ? 6166480 : 8378320; + if (declaration.kind === 143) { + var func = declaration.parent; + if (func.kind === 151 && !ts.hasDynamicName(func)) { + var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 150); + if (getter) { + var getterSignature = getSignatureFromDeclaration(getter); + var thisParameter = getAccessorThisParameter(func); + if (thisParameter && declaration === thisParameter) { + ts.Debug.assert(!thisParameter.type); + return getTypeOfSymbol(getterSignature.thisParameter); + } + return getReturnTypeOfSignature(getterSignature); + } + } + var type = void 0; + if (declaration.symbol.name === "this") { + type = getContextualThisParameterType(func); + } + else { + type = getContextuallyTypedParameterType(declaration); + } + if (type) { + return addOptionality(type, declaration.questionToken && includeOptionality); + } } - if (flags & (1024 | 2048)) { - return 2457472; + if (declaration.initializer) { + var type = checkDeclarationInitializer(declaration); + return addOptionality(type, declaration.questionToken && includeOptionality); } - if (flags & 4096) { - return 2340752; + if (declaration.kind === 254) { + return checkIdentifier(declaration.name); } - if (flags & 512) { - return strictNullChecks ? 1981320 : 4193160; + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, false, true); } - if (flags & 16384) { - var constraint = getConstraintOfTypeParameter(type); - return getTypeFacts(constraint || emptyObjectType); + return undefined; + } + function getTypeFromBindingElement(element, includePatternInType, reportErrors) { + if (element.initializer) { + return checkDeclarationInitializer(element); } - if (flags & 1572864) { - return getTypeFactsOfTypes(type.types); + if (ts.isBindingPattern(element.name)) { + return getTypeFromBindingPattern(element.name, includePatternInType, reportErrors); } - return 8388607; - } - function getTypeWithFacts(type, include) { - return filterType(type, function (t) { return (getTypeFacts(t) & include) !== 0; }); - } - function getTypeWithDefault(type, defaultExpression) { - if (defaultExpression) { - var defaultType = checkExpression(defaultExpression); - return getUnionType([getTypeWithFacts(type, 131072), defaultType]); + if (reportErrors && compilerOptions.noImplicitAny && !declarationBelongsToPrivateAmbientMember(element)) { + reportImplicitAnyError(element, anyType); } - return type; - } - function getTypeOfDestructuredProperty(type, name) { - var text = getTextOfPropertyName(name); - return getTypeOfPropertyOfType(type, text) || - isNumericLiteralName(text) && getIndexTypeOfType(type, 1) || - getIndexTypeOfType(type, 0) || - unknownType; - } - function getTypeOfDestructuredArrayElement(type, index) { - return isTupleLikeType(type) && getTypeOfPropertyOfType(type, "" + index) || - checkIteratedTypeOrElementType(type, undefined, false) || - unknownType; - } - function getTypeOfDestructuredSpreadElement(type) { - return createArrayType(checkIteratedTypeOrElementType(type, undefined, false) || unknownType); - } - function getAssignedTypeOfBinaryExpression(node) { - return node.parent.kind === 171 || node.parent.kind === 253 ? - getTypeWithDefault(getAssignedType(node), node.right) : - checkExpression(node.right); - } - function getAssignedTypeOfArrayLiteralElement(node, element) { - return getTypeOfDestructuredArrayElement(getAssignedType(node), ts.indexOf(node.elements, element)); - } - function getAssignedTypeOfSpreadElement(node) { - return getTypeOfDestructuredSpreadElement(getAssignedType(node.parent)); - } - function getAssignedTypeOfPropertyAssignment(node) { - return getTypeOfDestructuredProperty(getAssignedType(node.parent), node.name); - } - function getAssignedTypeOfShorthandPropertyAssignment(node) { - return getTypeWithDefault(getAssignedTypeOfPropertyAssignment(node), node.objectAssignmentInitializer); + return anyType; } - function getAssignedType(node) { - var parent = node.parent; - switch (parent.kind) { - case 208: - return stringType; - case 209: - return checkRightHandSideOfForOf(parent.expression) || unknownType; - case 188: - return getAssignedTypeOfBinaryExpression(parent); - case 182: - return undefinedType; - case 171: - return getAssignedTypeOfArrayLiteralElement(parent, node); - case 192: - return getAssignedTypeOfSpreadElement(parent); - case 253: - return getAssignedTypeOfPropertyAssignment(parent); - case 254: - return getAssignedTypeOfShorthandPropertyAssignment(parent); + function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) { + var members = ts.createMap(); + var hasComputedProperties = false; + ts.forEach(pattern.elements, function (e) { + var name = e.propertyName || e.name; + if (isComputedNonLiteralName(name)) { + hasComputedProperties = true; + return; + } + var text = getTextOfPropertyName(name); + var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); + var symbol = createSymbol(flags, text); + symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors); + symbol.bindingElement = e; + members[symbol.name] = symbol; + }); + var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); + if (includePatternInType) { + result.pattern = pattern; } - return unknownType; + if (hasComputedProperties) { + result.objectFlags |= 256; + } + return result; } - function getInitialTypeOfBindingElement(node) { - var pattern = node.parent; - var parentType = getInitialType(pattern.parent); - var type = pattern.kind === 168 ? - getTypeOfDestructuredProperty(parentType, node.propertyName || node.name) : - !node.dotDotDotToken ? - getTypeOfDestructuredArrayElement(parentType, ts.indexOf(pattern.elements, node)) : - getTypeOfDestructuredSpreadElement(parentType); - return getTypeWithDefault(type, node.initializer); + function getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors) { + var elements = pattern.elements; + var lastElement = ts.lastOrUndefined(elements); + if (elements.length === 0 || (!ts.isOmittedExpression(lastElement) && lastElement.dotDotDotToken)) { + return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; + } + var elementTypes = ts.map(elements, function (e) { return ts.isOmittedExpression(e) ? anyType : getTypeFromBindingElement(e, includePatternInType, reportErrors); }); + var result = createTupleType(elementTypes); + if (includePatternInType) { + result = cloneTypeReference(result); + result.pattern = pattern; + } + return result; } - function getTypeOfInitializer(node) { - var links = getNodeLinks(node); - return links.resolvedType || checkExpression(node); + function getTypeFromBindingPattern(pattern, includePatternInType, reportErrors) { + return pattern.kind === 168 + ? getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) + : getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors); } - function getInitialTypeOfVariableDeclaration(node) { - if (node.initializer) { - return getTypeOfInitializer(node.initializer); + function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { + var type = getTypeForVariableLikeDeclaration(declaration, true); + if (type) { + if (reportErrors) { + reportErrorsFromWidening(declaration, type); + } + if (declaration.kind === 253) { + return type; + } + return getWidenedType(type); } - if (node.parent.parent.kind === 208) { - return stringType; + type = declaration.dotDotDotToken ? anyArrayType : anyType; + if (reportErrors && compilerOptions.noImplicitAny) { + if (!declarationBelongsToPrivateAmbientMember(declaration)) { + reportImplicitAnyError(declaration, type); + } } - if (node.parent.parent.kind === 209) { - return checkRightHandSideOfForOf(node.parent.parent.expression) || unknownType; + return type; + } + function declarationBelongsToPrivateAmbientMember(declaration) { + var root = ts.getRootDeclaration(declaration); + var memberDeclaration = root.kind === 143 ? root.parent : root; + return isPrivateWithinAmbient(memberDeclaration); + } + function getTypeOfVariableOrParameterOrProperty(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (symbol.flags & 134217728) { + return links.type = getTypeOfPrototypeProperty(symbol); + } + var declaration = symbol.valueDeclaration; + if (ts.isCatchClauseVariableDeclarationOrBindingElement(declaration)) { + return links.type = anyType; + } + if (declaration.kind === 236) { + return links.type = checkExpression(declaration.expression); + } + if (declaration.flags & 1048576 && declaration.kind === 280 && declaration.typeExpression) { + return links.type = getTypeFromTypeNode(declaration.typeExpression.type); + } + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var type = void 0; + if (declaration.kind === 188 || + declaration.kind === 173 && declaration.parent.kind === 188) { + if (declaration.flags & 1048576) { + var typeTag = ts.getJSDocTypeTag(declaration.parent); + if (typeTag && typeTag.typeExpression) { + return links.type = getTypeFromTypeNode(typeTag.typeExpression.type); + } + } + var declaredTypes = ts.map(symbol.declarations, function (decl) { return decl.kind === 188 ? + checkExpressionCached(decl.right) : + checkExpressionCached(decl.parent.right); }); + type = getUnionType(declaredTypes, true); + } + else { + type = getWidenedTypeForVariableLikeDeclaration(declaration, true); + } + if (!popTypeResolution()) { + if (symbol.valueDeclaration.type) { + type = unknownType; + error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else { + type = anyType; + if (compilerOptions.noImplicitAny) { + error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); + } + } + } + links.type = type; } - return unknownType; + return links.type; } - function getInitialType(node) { - return node.kind === 219 ? - getInitialTypeOfVariableDeclaration(node) : - getInitialTypeOfBindingElement(node); + function getAnnotatedAccessorType(accessor) { + if (accessor) { + if (accessor.kind === 150) { + return accessor.type && getTypeFromTypeNode(accessor.type); + } + else { + var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); + return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); + } + } + return undefined; } - function getInitialOrAssignedType(node) { - return node.kind === 219 || node.kind === 170 ? - getInitialType(node) : - getAssignedType(node); + function getAnnotatedAccessorThisParameter(accessor) { + var parameter = getAccessorThisParameter(accessor); + return parameter && parameter.symbol; } - function isEmptyArrayAssignment(node) { - return node.kind === 219 && node.initializer && - isEmptyArrayLiteral(node.initializer) || - node.kind !== 170 && node.parent.kind === 188 && - isEmptyArrayLiteral(node.parent.right); + function getThisTypeOfDeclaration(declaration) { + return getThisTypeOfSignature(getSignatureFromDeclaration(declaration)); } - function getReferenceCandidate(node) { - switch (node.kind) { - case 179: - return getReferenceCandidate(node.expression); - case 188: - switch (node.operatorToken.kind) { - case 57: - return getReferenceCandidate(node.left); - case 25: - return getReferenceCandidate(node.right); + function getTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var getter = ts.getDeclarationOfKind(symbol, 150); + var setter = ts.getDeclarationOfKind(symbol, 151); + if (getter && getter.flags & 1048576) { + var jsDocType = getTypeForVariableLikeDeclarationFromJSDocComment(getter); + if (jsDocType) { + return links.type = jsDocType; + } + } + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var type = void 0; + var getterReturnType = getAnnotatedAccessorType(getter); + if (getterReturnType) { + type = getterReturnType; + } + else { + var setterParameterType = getAnnotatedAccessorType(setter); + if (setterParameterType) { + type = setterParameterType; + } + else { + if (getter && getter.body) { + type = getReturnTypeFromBody(getter); + } + else { + if (compilerOptions.noImplicitAny) { + if (setter) { + error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation, symbolToString(symbol)); + } + else { + ts.Debug.assert(!!getter, "there must existed getter as we are current checking either setter or getter in this function"); + error(getter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation, symbolToString(symbol)); + } + } + type = anyType; + } + } + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var getter_1 = ts.getDeclarationOfKind(symbol, 150); + error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); } + } + links.type = type; } - return node; - } - function getReferenceRoot(node) { - var parent = node.parent; - return parent.kind === 179 || - parent.kind === 188 && parent.operatorToken.kind === 57 && parent.left === node || - parent.kind === 188 && parent.operatorToken.kind === 25 && parent.right === node ? - getReferenceRoot(parent) : node; + return links.type; } - function getTypeOfSwitchClause(clause) { - if (clause.kind === 249) { - var caseType = getRegularTypeOfLiteralType(checkExpression(clause.expression)); - return isUnitType(caseType) ? caseType : undefined; + function getTypeOfFuncClassEnumModule(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (symbol.valueDeclaration.kind === 226 && ts.isShorthandAmbientModuleSymbol(symbol)) { + links.type = anyType; + } + else { + var type = createObjectType(16, symbol); + links.type = strictNullChecks && symbol.flags & 536870912 ? + includeFalsyTypes(type, 2048) : type; + } } - return neverType; + return links.type; } - function getSwitchClauseTypes(switchStatement) { - var links = getNodeLinks(switchStatement); - if (!links.switchTypes) { - var types = ts.map(switchStatement.caseBlock.clauses, getTypeOfSwitchClause); - links.switchTypes = !ts.contains(types, undefined) ? types : emptyArray; + function getTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = getDeclaredTypeOfEnumMember(symbol); } - return links.switchTypes; + return links.type; } - function eachTypeContainedIn(source, types) { - return source.flags & 524288 ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + function getTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var targetSymbol = resolveAlias(symbol); + links.type = targetSymbol.flags & 107455 + ? getTypeOfSymbol(targetSymbol) + : unknownType; + } + return links.type; } - function isTypeSubsetOf(source, target) { - return source === target || target.flags & 524288 && isTypeSubsetOfUnion(source, target); + function getTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + } + return links.type; } - function isTypeSubsetOfUnion(source, target) { - if (source.flags & 524288) { - for (var _i = 0, _a = source.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!containsType(target.types, t)) { - return false; - } - } - return true; + function getTypeOfSymbol(symbol) { + if (symbol.flags & 16777216) { + return getTypeOfInstantiatedSymbol(symbol); } - if (source.flags & 256 && target.flags & 16 && source.baseType === target) { - return true; + if (symbol.flags & (3 | 4)) { + return getTypeOfVariableOrParameterOrProperty(symbol); } - return containsType(target.types, source); - } - function filterType(type, f) { - if (type.flags & 524288) { - var types = type.types; - var filtered = ts.filter(types, f); - return filtered === types ? type : getUnionTypeFromSortedList(filtered); + if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { + return getTypeOfFuncClassEnumModule(symbol); } - return f(type) ? type : neverType; - } - function mapType(type, f) { - return type.flags & 524288 ? getUnionType(ts.map(type.types, f)) : f(type); + if (symbol.flags & 8) { + return getTypeOfEnumMember(symbol); + } + if (symbol.flags & 98304) { + return getTypeOfAccessors(symbol); + } + if (symbol.flags & 8388608) { + return getTypeOfAlias(symbol); + } + return unknownType; } - function extractTypesOfKind(type, kind) { - return filterType(type, function (t) { return (t.flags & kind) !== 0; }); + function getTargetType(type) { + return getObjectFlags(type) & 4 ? type.target : type; } - function replacePrimitivesWithLiterals(typeWithPrimitives, typeWithLiterals) { - if (isTypeSubsetOf(stringType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 32) || - isTypeSubsetOf(numberType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 64)) { - return mapType(typeWithPrimitives, function (t) { - return t.flags & 2 ? extractTypesOfKind(typeWithLiterals, 2 | 32) : - t.flags & 4 ? extractTypesOfKind(typeWithLiterals, 4 | 64) : - t; - }); + function hasBaseType(type, checkBase) { + return check(type); + function check(type) { + var target = getTargetType(type); + return target === checkBase || ts.forEach(getBaseTypes(target), check); } - return typeWithPrimitives; } - function isIncomplete(flowType) { - return flowType.flags === 0; + function appendTypeParameters(typeParameters, declarations) { + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); + if (!typeParameters) { + typeParameters = [tp]; + } + else if (!ts.contains(typeParameters, tp)) { + typeParameters.push(tp); + } + } + return typeParameters; } - function getTypeFromFlowType(flowType) { - return flowType.flags === 0 ? flowType.type : flowType; + function appendOuterTypeParameters(typeParameters, node) { + while (true) { + node = node.parent; + if (!node) { + return typeParameters; + } + if (node.kind === 222 || node.kind === 193 || + node.kind === 221 || node.kind === 180 || + node.kind === 148 || node.kind === 181) { + var declarations = node.typeParameters; + if (declarations) { + return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); + } + } + } } - function createFlowType(type, incomplete) { - return incomplete ? { flags: 0, type: type } : type; + function getOuterTypeParametersOfClassOrInterface(symbol) { + var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 223); + return appendOuterTypeParameters(undefined, declaration); } - function createEvolvingArrayType(elementType) { - var result = createObjectType(2097152); - result.elementType = elementType; + function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { + var result; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + if (node.kind === 223 || node.kind === 222 || + node.kind === 193 || node.kind === 224) { + var declaration = node; + if (declaration.typeParameters) { + result = appendTypeParameters(result, declaration.typeParameters); + } + } + } return result; } - function getEvolvingArrayType(elementType) { - return evolvingArrayTypes[elementType.id] || (evolvingArrayTypes[elementType.id] = createEvolvingArrayType(elementType)); - } - function addEvolvingArrayElementType(evolvingArrayType, node) { - var elementType = getBaseTypeOfLiteralType(checkExpression(node)); - return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); - } - function isEvolvingArrayType(type) { - return !!(type.flags & 2097152 && type.elementType); + function getTypeParametersOfClassOrInterface(symbol) { + return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); } - function createFinalArrayType(elementType) { - return elementType.flags & 8192 ? - autoArrayType : - createArrayType(elementType.flags & 524288 ? - getUnionType(elementType.types, true) : - elementType); + function isConstructorType(type) { + return type.flags & 32768 && getSignaturesOfType(type, 1).length > 0; } - function getFinalArrayType(evolvingArrayType) { - return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); + function getBaseTypeNodeOfClass(type) { + return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); } - function finalizeEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? getFinalArrayType(type) : type; + function getConstructorsForTypeArguments(type, typeArgumentNodes) { + var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; + return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); } - function getElementTypeOfEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? type.elementType : neverType; + function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { + var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); + if (typeArgumentNodes) { + var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); + signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + } + return signatures; } - function isEvolvingArrayTypeList(types) { - var hasEvolvingArrayType = false; - for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { - var t = types_12[_i]; - if (!(t.flags & 8192)) { - if (!isEvolvingArrayType(t)) { - return false; - } - hasEvolvingArrayType = true; + function getBaseConstructorTypeOfClass(type) { + if (!type.resolvedBaseConstructorType) { + var baseTypeNode = getBaseTypeNodeOfClass(type); + if (!baseTypeNode) { + return type.resolvedBaseConstructorType = undefinedType; + } + if (!pushTypeResolution(type, 1)) { + return unknownType; + } + var baseConstructorType = checkExpression(baseTypeNode.expression); + if (baseConstructorType.flags & 32768) { + resolveStructuredTypeMembers(baseConstructorType); } + if (!popTypeResolution()) { + error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); + return type.resolvedBaseConstructorType = unknownType; + } + if (baseConstructorType !== unknownType && baseConstructorType !== nullWideningType && !isConstructorType(baseConstructorType)) { + error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); + return type.resolvedBaseConstructorType = unknownType; + } + type.resolvedBaseConstructorType = baseConstructorType; } - return hasEvolvingArrayType; - } - function getUnionOrEvolvingArrayType(types, subtypeReduction) { - return isEvolvingArrayTypeList(types) ? - getEvolvingArrayType(getUnionType(ts.map(types, getElementTypeOfEvolvingArrayType))) : - getUnionType(ts.sameMap(types, finalizeEvolvingArrayType), subtypeReduction); - } - function isEvolvingArrayOperationTarget(node) { - var root = getReferenceRoot(node); - var parent = root.parent; - var isLengthPushOrUnshift = parent.kind === 173 && (parent.name.text === "length" || - parent.parent.kind === 175 && ts.isPushOrUnshiftIdentifier(parent.name)); - var isElementAssignment = parent.kind === 174 && - parent.expression === root && - parent.parent.kind === 188 && - parent.parent.operatorToken.kind === 57 && - parent.parent.left === parent && - !ts.isAssignmentTarget(parent.parent) && - isTypeAnyOrAllConstituentTypesHaveKind(checkExpression(parent.argumentExpression), 340 | 2048); - return isLengthPushOrUnshift || isElementAssignment; + return type.resolvedBaseConstructorType; } - function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) { - var key; - if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 4178943)) { - return declaredType; - } - var initialType = assumeInitialized ? declaredType : - declaredType === autoType || declaredType === autoArrayType ? undefinedType : - includeFalsyTypes(declaredType, 2048); - var visitedFlowStart = visitedFlowCount; - var evolvedType = getTypeFromFlowType(getTypeAtFlowNode(reference.flowNode)); - visitedFlowCount = visitedFlowStart; - var resultType = isEvolvingArrayType(evolvedType) && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); - if (reference.parent.kind === 197 && getTypeWithFacts(resultType, 524288).flags & 8192) { - return declaredType; - } - return resultType; - function getTypeAtFlowNode(flow) { - while (true) { - if (flow.flags & 1024) { - for (var i = visitedFlowStart; i < visitedFlowCount; i++) { - if (visitedFlowNodes[i] === flow) { - return visitedFlowTypes[i]; - } - } - } - var type = void 0; - if (flow.flags & 16) { - type = getTypeAtFlowAssignment(flow); - if (!type) { - flow = flow.antecedent; - continue; - } - } - else if (flow.flags & 96) { - type = getTypeAtFlowCondition(flow); - } - else if (flow.flags & 128) { - type = getTypeAtSwitchClause(flow); - } - else if (flow.flags & 12) { - if (flow.antecedents.length === 1) { - flow = flow.antecedents[0]; - continue; - } - type = flow.flags & 4 ? - getTypeAtFlowBranchLabel(flow) : - getTypeAtFlowLoopLabel(flow); - } - else if (flow.flags & 256) { - type = getTypeAtFlowArrayMutation(flow); - if (!type) { - flow = flow.antecedent; - continue; - } - } - else if (flow.flags & 2) { - var container = flow.container; - if (container && container !== flowContainer && reference.kind !== 173) { - flow = container.flowNode; - continue; - } - type = initialType; - } - else { - type = convertAutoToAny(declaredType); - } - if (flow.flags & 1024) { - visitedFlowNodes[visitedFlowCount] = flow; - visitedFlowTypes[visitedFlowCount] = type; - visitedFlowCount++; - } - return type; + function getBaseTypes(type) { + if (!type.resolvedBaseTypes) { + if (type.objectFlags & 8) { + type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))]; } - } - function getTypeAtFlowAssignment(flow) { - var node = flow.node; - if (isMatchingReference(reference, node)) { - if (node.parent.kind === 186 || node.parent.kind === 187) { - var flowType = getTypeAtFlowNode(flow.antecedent); - return createFlowType(getBaseTypeOfLiteralType(getTypeFromFlowType(flowType)), isIncomplete(flowType)); - } - if (declaredType === autoType || declaredType === autoArrayType) { - if (isEmptyArrayAssignment(node)) { - return getEvolvingArrayType(neverType); - } - var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(node)); - return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; + else if (type.symbol.flags & (32 | 64)) { + if (type.symbol.flags & 32) { + resolveBaseTypesOfClass(type); } - if (declaredType.flags & 524288) { - return getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)); + if (type.symbol.flags & 64) { + resolveBaseTypesOfInterface(type); } - return declaredType; } - if (containsMatchingReference(reference, node)) { - return declaredType; + else { + ts.Debug.fail("type must be class or interface"); } - return undefined; } - function getTypeAtFlowArrayMutation(flow) { - var node = flow.node; - var expr = node.kind === 175 ? - node.expression.expression : - node.left.expression; - if (isMatchingReference(reference, getReferenceCandidate(expr))) { - var flowType = getTypeAtFlowNode(flow.antecedent); - var type = getTypeFromFlowType(flowType); - if (isEvolvingArrayType(type)) { - var evolvedType_1 = type; - if (node.kind === 175) { - for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { - var arg = _a[_i]; - evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, arg); - } - } - else { - var indexType = checkExpression(node.left.argumentExpression); - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | 2048)) { - evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, node.right); - } - } - return evolvedType_1 === type ? flowType : createFlowType(evolvedType_1, isIncomplete(flowType)); - } - return flowType; - } - return undefined; + return type.resolvedBaseTypes; + } + function resolveBaseTypesOfClass(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + var baseConstructorType = getBaseConstructorTypeOfClass(type); + if (!(baseConstructorType.flags & 32768)) { + return; } - function getTypeAtFlowCondition(flow) { - var flowType = getTypeAtFlowNode(flow.antecedent); - var type = getTypeFromFlowType(flowType); - if (type.flags & 8192) { - return flowType; - } - var assumeTrue = (flow.flags & 32) !== 0; - var nonEvolvingType = finalizeEvolvingArrayType(type); - var narrowedType = narrowType(nonEvolvingType, flow.expression, assumeTrue); - if (narrowedType === nonEvolvingType) { - return flowType; - } - var incomplete = isIncomplete(flowType); - var resultType = incomplete && narrowedType.flags & 8192 ? silentNeverType : narrowedType; - return createFlowType(resultType, incomplete); + var baseTypeNode = getBaseTypeNodeOfClass(type); + var baseType; + var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; + if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && + areAllOuterTypeParametersApplied(originalBaseType)) { + baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); } - function getTypeAtSwitchClause(flow) { - var flowType = getTypeAtFlowNode(flow.antecedent); - var type = getTypeFromFlowType(flowType); - var expr = flow.switchStatement.expression; - if (isMatchingReference(reference, expr)) { - type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd); - } - else if (isMatchingReferenceDiscriminant(expr)) { - type = narrowTypeByDiscriminant(type, expr, function (t) { return narrowTypeBySwitchOnDiscriminant(t, flow.switchStatement, flow.clauseStart, flow.clauseEnd); }); + else { + var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); + if (!constructors.length) { + error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); + return; } - return createFlowType(type, isIncomplete(flowType)); + baseType = getReturnTypeOfSignature(constructors[0]); } - function getTypeAtFlowBranchLabel(flow) { - var antecedentTypes = []; - var subtypeReduction = false; - var seenIncomplete = false; - for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { - var antecedent = _a[_i]; - var flowType = getTypeAtFlowNode(antecedent); - var type = getTypeFromFlowType(flowType); - if (type === declaredType && declaredType === initialType) { - return type; - } - if (!ts.contains(antecedentTypes, type)) { - antecedentTypes.push(type); - } - if (!isTypeSubsetOf(type, declaredType)) { - subtypeReduction = true; - } - if (isIncomplete(flowType)) { - seenIncomplete = true; - } - } - return createFlowType(getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction), seenIncomplete); + if (baseType === unknownType) { + return; } - function getTypeAtFlowLoopLabel(flow) { - var id = getFlowNodeId(flow); - var cache = flowLoopCaches[id] || (flowLoopCaches[id] = ts.createMap()); - if (!key) { - key = getFlowCacheKey(reference); - } - if (cache[key]) { - return cache[key]; - } - for (var i = flowLoopStart; i < flowLoopCount; i++) { - if (flowLoopNodes[i] === flow && flowLoopKeys[i] === key && flowLoopTypes[i].length) { - return createFlowType(getUnionOrEvolvingArrayType(flowLoopTypes[i], false), true); - } - } - var antecedentTypes = []; - var subtypeReduction = false; - var firstAntecedentType; - flowLoopNodes[flowLoopCount] = flow; - flowLoopKeys[flowLoopCount] = key; - flowLoopTypes[flowLoopCount] = antecedentTypes; - for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { - var antecedent = _a[_i]; - flowLoopCount++; - var flowType = getTypeAtFlowNode(antecedent); - flowLoopCount--; - if (!firstAntecedentType) { - firstAntecedentType = flowType; - } - var type = getTypeFromFlowType(flowType); - if (cache[key]) { - return cache[key]; - } - if (!ts.contains(antecedentTypes, type)) { - antecedentTypes.push(type); + if (!(getObjectFlags(getTargetType(baseType)) & 3)) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); + return; + } + if (type === baseType || hasBaseType(baseType, type)) { + error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + return; + } + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + function areAllOuterTypeParametersApplied(type) { + var outerTypeParameters = type.outerTypeParameters; + if (outerTypeParameters) { + var last = outerTypeParameters.length - 1; + var typeArguments = type.typeArguments; + return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + } + return true; + } + function resolveBaseTypesOfInterface(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 223 && ts.getInterfaceBaseTypeNodes(declaration)) { + for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { + var node = _c[_b]; + var baseType = getTypeFromTypeNode(node); + if (baseType !== unknownType) { + if (getObjectFlags(getTargetType(baseType)) & 3) { + if (type !== baseType && !hasBaseType(baseType, type)) { + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + else { + error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + } + } + else { + error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); + } + } } - if (!isTypeSubsetOf(type, declaredType)) { - subtypeReduction = true; + } + } + } + function isIndependentInterface(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 223) { + if (declaration.flags & 64) { + return false; } - if (type === declaredType) { - break; + var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); + if (baseTypeNodes) { + for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { + var node = baseTypeNodes_1[_b]; + if (ts.isEntityNameExpression(node.expression)) { + var baseSymbol = resolveEntityName(node.expression, 793064, true); + if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { + return false; + } + } + } } } - var result = getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction); - if (isIncomplete(firstAntecedentType)) { - return createFlowType(result, true); - } - return cache[key] = result; - } - function isMatchingReferenceDiscriminant(expr) { - return expr.kind === 173 && - declaredType.flags & 524288 && - isMatchingReference(reference, expr.expression) && - isDiscriminantProperty(declaredType, expr.name.text); - } - function narrowTypeByDiscriminant(type, propAccess, narrowType) { - var propName = propAccess.name.text; - var propType = getTypeOfPropertyOfType(type, propName); - var narrowedPropType = propType && narrowType(propType); - return propType === narrowedPropType ? type : filterType(type, function (t) { return isTypeComparableTo(getTypeOfPropertyOfType(t, propName), narrowedPropType); }); } - function narrowTypeByTruthiness(type, expr, assumeTrue) { - if (isMatchingReference(reference, expr)) { - return getTypeWithFacts(type, assumeTrue ? 1048576 : 2097152); - } - if (isMatchingReferenceDiscriminant(expr)) { - return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumeTrue ? 1048576 : 2097152); }); - } - if (containsMatchingReferenceDiscriminant(reference, expr)) { - return declaredType; + return true; + } + function getDeclaredTypeOfClassOrInterface(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var kind = symbol.flags & 32 ? 1 : 2; + var type = links.declaredType = createObjectType(kind, symbol); + var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); + var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (outerTypeParameters || localTypeParameters || kind === 1 || !isIndependentInterface(symbol)) { + type.objectFlags |= 4; + type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); + type.outerTypeParameters = outerTypeParameters; + type.localTypeParameters = localTypeParameters; + type.instantiations = ts.createMap(); + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(16384); + type.thisType.isThisType = true; + type.thisType.symbol = symbol; + type.thisType.constraint = type; } - return type; } - function narrowTypeByBinaryExpression(type, expr, assumeTrue) { - switch (expr.operatorToken.kind) { - case 57: - return narrowTypeByTruthiness(type, expr.left, assumeTrue); - case 31: - case 32: - case 33: - case 34: - var operator_1 = expr.operatorToken.kind; - var left_1 = getReferenceCandidate(expr.left); - var right_1 = getReferenceCandidate(expr.right); - if (left_1.kind === 183 && right_1.kind === 9) { - return narrowTypeByTypeof(type, left_1, operator_1, right_1, assumeTrue); - } - if (right_1.kind === 183 && left_1.kind === 9) { - return narrowTypeByTypeof(type, right_1, operator_1, left_1, assumeTrue); - } - if (isMatchingReference(reference, left_1)) { - return narrowTypeByEquality(type, operator_1, right_1, assumeTrue); - } - if (isMatchingReference(reference, right_1)) { - return narrowTypeByEquality(type, operator_1, left_1, assumeTrue); - } - if (isMatchingReferenceDiscriminant(left_1)) { - return narrowTypeByDiscriminant(type, left_1, function (t) { return narrowTypeByEquality(t, operator_1, right_1, assumeTrue); }); - } - if (isMatchingReferenceDiscriminant(right_1)) { - return narrowTypeByDiscriminant(type, right_1, function (t) { return narrowTypeByEquality(t, operator_1, left_1, assumeTrue); }); - } - if (containsMatchingReferenceDiscriminant(reference, left_1) || containsMatchingReferenceDiscriminant(reference, right_1)) { - return declaredType; - } - break; - case 92: - return narrowTypeByInstanceof(type, expr, assumeTrue); - case 25: - return narrowType(type, expr.right, assumeTrue); + return links.declaredType; + } + function getDeclaredTypeOfTypeAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + if (!pushTypeResolution(symbol, 2)) { + return unknownType; } - return type; - } - function narrowTypeByEquality(type, operator, value, assumeTrue) { - if (type.flags & 1) { - return type; + var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + var declaration = ts.getDeclarationOfKind(symbol, 279); + var type = void 0; + if (declaration) { + if (declaration.jsDocTypeLiteral) { + type = getTypeFromTypeNode(declaration.jsDocTypeLiteral); + } + else { + type = getTypeFromTypeNode(declaration.typeExpression.type); + } } - if (operator === 32 || operator === 34) { - assumeTrue = !assumeTrue; + else { + declaration = ts.getDeclarationOfKind(symbol, 224); + type = getTypeFromTypeNode(declaration.type, symbol, typeParameters); } - var valueType = checkExpression(value); - if (valueType.flags & 6144) { - if (!strictNullChecks) { - return type; + if (popTypeResolution()) { + links.typeParameters = typeParameters; + if (typeParameters) { + links.instantiations = ts.createMap(); + links.instantiations[getTypeListId(links.typeParameters)] = type; } - var doubleEquals = operator === 31 || operator === 32; - var facts = doubleEquals ? - assumeTrue ? 65536 : 524288 : - value.kind === 94 ? - assumeTrue ? 32768 : 262144 : - assumeTrue ? 16384 : 131072; - return getTypeWithFacts(type, facts); - } - if (type.flags & 2589185) { - return type; } - if (assumeTrue) { - var narrowedType = filterType(type, function (t) { return areTypesComparable(t, valueType); }); - return narrowedType.flags & 8192 ? type : replacePrimitivesWithLiterals(narrowedType, valueType); + else { + type = unknownType; + error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); } - if (isUnitType(valueType)) { - var regularType_1 = getRegularTypeOfLiteralType(valueType); - return filterType(type, function (t) { return getRegularTypeOfLiteralType(t) !== regularType_1; }); + links.declaredType = type; + } + return links.declaredType; + } + function isLiteralEnumMember(symbol, member) { + var expr = member.initializer; + if (!expr) { + return !ts.isInAmbientContext(member); + } + return expr.kind === 8 || + expr.kind === 186 && expr.operator === 37 && + expr.operand.kind === 8 || + expr.kind === 70 && !!symbol.exports[expr.text]; + } + function enumHasLiteralMembers(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 225) { + for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { + var member = _c[_b]; + if (!isLiteralEnumMember(symbol, member)) { + return false; + } + } } - return type; } - function narrowTypeByTypeof(type, typeOfExpr, operator, literal, assumeTrue) { - var target = getReferenceCandidate(typeOfExpr.expression); - if (!isMatchingReference(reference, target)) { - if (containsMatchingReference(reference, target)) { - return declaredType; + return true; + } + function createEnumLiteralType(symbol, baseType, text) { + var type = createType(256); + type.symbol = symbol; + type.baseType = baseType; + type.text = text; + return type; + } + function getDeclaredTypeOfEnum(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var enumType = links.declaredType = createType(16); + enumType.symbol = symbol; + if (enumHasLiteralMembers(symbol)) { + var memberTypeList = []; + var memberTypes = ts.createMap(); + for (var _i = 0, _a = enumType.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 225) { + computeEnumMemberValues(declaration); + for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { + var member = _c[_b]; + var memberSymbol = getSymbolOfNode(member); + var value = getEnumMemberValue(member); + if (!memberTypes[value]) { + var memberType = memberTypes[value] = createEnumLiteralType(memberSymbol, enumType, "" + value); + memberTypeList.push(memberType); + } + } + } + } + enumType.memberTypes = memberTypes; + if (memberTypeList.length > 1) { + enumType.flags |= 65536; + enumType.types = memberTypeList; + unionTypes[getTypeListId(memberTypeList)] = enumType; } - return type; } - if (operator === 32 || operator === 34) { - assumeTrue = !assumeTrue; + } + return links.declaredType; + } + function getDeclaredTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); + links.declaredType = enumType.flags & 65536 ? + enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] : + enumType; + } + return links.declaredType; + } + function getDeclaredTypeOfTypeParameter(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(16384); + type.symbol = symbol; + if (!ts.getDeclarationOfKind(symbol, 142).constraint) { + type.constraint = noConstraintType; } - if (assumeTrue && !(type.flags & 524288)) { - var targetType = typeofTypesByName[literal.text]; - if (targetType && isTypeSubtypeOf(targetType, type)) { - return targetType; + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); + } + return links.declaredType; + } + function getDeclaredTypeOfSymbol(symbol) { + ts.Debug.assert((symbol.flags & 16777216) === 0); + if (symbol.flags & (32 | 64)) { + return getDeclaredTypeOfClassOrInterface(symbol); + } + if (symbol.flags & 524288) { + return getDeclaredTypeOfTypeAlias(symbol); + } + if (symbol.flags & 262144) { + return getDeclaredTypeOfTypeParameter(symbol); + } + if (symbol.flags & 384) { + return getDeclaredTypeOfEnum(symbol); + } + if (symbol.flags & 8) { + return getDeclaredTypeOfEnumMember(symbol); + } + if (symbol.flags & 8388608) { + return getDeclaredTypeOfAlias(symbol); + } + return unknownType; + } + function isIndependentTypeReference(node) { + if (node.typeArguments) { + for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { + var typeNode = _a[_i]; + if (!isIndependentType(typeNode)) { + return false; } } - var facts = assumeTrue ? - typeofEQFacts[literal.text] || 64 : - typeofNEFacts[literal.text] || 8192; - return getTypeWithFacts(type, facts); } - function narrowTypeBySwitchOnDiscriminant(type, switchStatement, clauseStart, clauseEnd) { - var switchTypes = getSwitchClauseTypes(switchStatement); - if (!switchTypes.length) { - return type; - } - var clauseTypes = switchTypes.slice(clauseStart, clauseEnd); - var hasDefaultClause = clauseStart === clauseEnd || ts.contains(clauseTypes, neverType); - var discriminantType = getUnionType(clauseTypes); - var caseType = discriminantType.flags & 8192 ? neverType : - replacePrimitivesWithLiterals(filterType(type, function (t) { return isTypeComparableTo(discriminantType, t); }), discriminantType); - if (!hasDefaultClause) { - return caseType; + return true; + } + function isIndependentType(node) { + switch (node.kind) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 104: + case 136: + case 94: + case 128: + case 167: + return true; + case 161: + return isIndependentType(node.elementType); + case 156: + return isIndependentTypeReference(node); + } + return false; + } + function isIndependentVariableLikeDeclaration(node) { + return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + } + function isIndependentFunctionLikeDeclaration(node) { + if (node.kind !== 149 && (!node.type || !isIndependentType(node.type))) { + return false; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (!isIndependentVariableLikeDeclaration(parameter)) { + return false; } - var defaultType = filterType(type, function (t) { return !(isUnitType(t) && ts.contains(switchTypes, getRegularTypeOfLiteralType(t))); }); - return caseType.flags & 8192 ? defaultType : getUnionType([caseType, defaultType]); } - function narrowTypeByInstanceof(type, expr, assumeTrue) { - var left = getReferenceCandidate(expr.left); - if (!isMatchingReference(reference, left)) { - if (containsMatchingReference(reference, left)) { - return declaredType; + return true; + } + function isIndependentMember(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + var declaration = symbol.declarations[0]; + if (declaration) { + switch (declaration.kind) { + case 146: + case 145: + return isIndependentVariableLikeDeclaration(declaration); + case 148: + case 147: + case 149: + return isIndependentFunctionLikeDeclaration(declaration); } - return type; } - var rightType = checkExpression(expr.right); - if (!isTypeSubtypeOf(rightType, globalFunctionType)) { - return type; + } + return false; + } + function createSymbolTable(symbols) { + var result = ts.createMap(); + for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { + var symbol = symbols_1[_i]; + result[symbol.name] = symbol; + } + return result; + } + function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { + var result = ts.createMap(); + for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { + var symbol = symbols_2[_i]; + result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); + } + return result; + } + function addInheritedMembers(symbols, baseSymbols) { + for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { + var s = baseSymbols_1[_i]; + if (!symbols[s.name]) { + symbols[s.name] = s; } - var targetType; - var prototypeProperty = getPropertyOfType(rightType, "prototype"); - if (prototypeProperty) { - var prototypePropertyType = getTypeOfSymbol(prototypeProperty); - if (!isTypeAny(prototypePropertyType)) { - targetType = prototypePropertyType; - } + } + } + function resolveDeclaredMembers(type) { + if (!type.declaredProperties) { + var symbol = type.symbol; + type.declaredProperties = getNamedMembers(symbol.members); + type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); + type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); + type.declaredStringIndexInfo = getIndexInfoOfSymbol(symbol, 0); + type.declaredNumberIndexInfo = getIndexInfoOfSymbol(symbol, 1); + } + return type; + } + function getTypeWithThisArgument(type, thisArgument) { + if (getObjectFlags(type) & 4) { + return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + } + return type; + } + function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { + var mapper; + var members; + var callSignatures; + var constructSignatures; + var stringIndexInfo; + var numberIndexInfo; + if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { + mapper = identityMapper; + members = source.symbol ? source.symbol.members : createSymbolTable(source.declaredProperties); + callSignatures = source.declaredCallSignatures; + constructSignatures = source.declaredConstructSignatures; + stringIndexInfo = source.declaredStringIndexInfo; + numberIndexInfo = source.declaredNumberIndexInfo; + } + else { + mapper = createTypeMapper(typeParameters, typeArguments); + members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); + callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); + constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); + stringIndexInfo = instantiateIndexInfo(source.declaredStringIndexInfo, mapper); + numberIndexInfo = instantiateIndexInfo(source.declaredNumberIndexInfo, mapper); + } + var baseTypes = getBaseTypes(source); + if (baseTypes.length) { + if (source.symbol && members === source.symbol.members) { + members = createSymbolTable(source.declaredProperties); } - if (isTypeAny(type) && (targetType === globalObjectType || targetType === globalFunctionType)) { - return type; + var thisArgument = ts.lastOrUndefined(typeArguments); + for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { + var baseType = baseTypes_1[_i]; + var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; + addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); + stringIndexInfo = stringIndexInfo || getIndexInfoOfType(instantiatedBaseType, 0); + numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1); } - if (!targetType) { - var constructSignatures = void 0; - if (rightType.flags & 65536) { - constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; - } - else if (rightType.flags & 2097152) { - constructSignatures = getSignaturesOfType(rightType, 1); - } - if (constructSignatures && constructSignatures.length) { - targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); - } + } + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function resolveClassOrInterfaceMembers(type) { + resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); + } + function resolveTypeReferenceMembers(type) { + var source = resolveDeclaredMembers(type.target); + var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); + var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? + type.typeArguments : ts.concatenate(type.typeArguments, [type]); + resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + } + function createSignature(declaration, typeParameters, thisParameter, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasLiteralTypes) { + var sig = new Signature(checker); + sig.declaration = declaration; + sig.typeParameters = typeParameters; + sig.parameters = parameters; + sig.thisParameter = thisParameter; + sig.resolvedReturnType = resolvedReturnType; + sig.typePredicate = typePredicate; + sig.minArgumentCount = minArgumentCount; + sig.hasRestParameter = hasRestParameter; + sig.hasLiteralTypes = hasLiteralTypes; + return sig; + } + function cloneSignature(sig) { + return createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasLiteralTypes); + } + function getDefaultConstructSignatures(classType) { + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + var baseSignatures = getSignaturesOfType(baseConstructorType, 1); + if (baseSignatures.length === 0) { + return [createSignature(undefined, classType.localTypeParameters, undefined, emptyArray, classType, undefined, 0, false, false)]; + } + var baseTypeNode = getBaseTypeNodeOfClass(classType); + var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNodeNoAlias); + var typeArgCount = typeArguments ? typeArguments.length : 0; + var result = []; + for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { + var baseSig = baseSignatures_1[_i]; + var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; + if (typeParamCount === typeArgCount) { + var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); + sig.typeParameters = classType.localTypeParameters; + sig.resolvedReturnType = classType; + result.push(sig); } - if (targetType) { - return getNarrowedType(type, targetType, assumeTrue); + } + return result; + } + function findMatchingSignature(signatureList, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes) { + for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { + var s = signatureList_1[_i]; + if (compareSignaturesIdentical(s, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypesIdentical)) { + return s; } - return type; } - function getNarrowedType(type, candidate, assumeTrue) { - if (!assumeTrue) { - return filterType(type, function (t) { return !isTypeInstanceOf(t, candidate); }); + } + function findMatchingSignatures(signatureLists, signature, listIndex) { + if (signature.typeParameters) { + if (listIndex > 0) { + return undefined; } - if (type.flags & 524288) { - var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); }); - if (!(assignableType.flags & 8192)) { - return assignableType; + for (var i = 1; i < signatureLists.length; i++) { + if (!findMatchingSignature(signatureLists[i], signature, false, false, false)) { + return undefined; } } - var targetType = type.flags & 16384 ? getApparentType(type) : type; - return isTypeSubtypeOf(candidate, type) ? candidate : - isTypeAssignableTo(type, candidate) ? type : - isTypeAssignableTo(candidate, targetType) ? candidate : - getIntersectionType([type, candidate]); + return [signature]; } - function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { - if (!hasMatchingArgument(callExpression, reference)) { - return type; - } - var signature = getResolvedSignature(callExpression); - var predicate = signature.typePredicate; - if (!predicate) { - return type; - } - if (isTypeAny(type) && (predicate.type === globalObjectType || predicate.type === globalFunctionType)) { - return type; + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true, true); + if (!match) { + return undefined; } - if (ts.isIdentifierTypePredicate(predicate)) { - var predicateArgument = callExpression.arguments[predicate.parameterIndex]; - if (predicateArgument) { - if (isMatchingReference(reference, predicateArgument)) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - if (containsMatchingReference(reference, predicateArgument)) { - return declaredType; - } - } + if (!ts.contains(result, match)) { + (result || (result = [])).push(match); } - else { - var invokedExpression = skipParenthesizedNodes(callExpression.expression); - if (invokedExpression.kind === 174 || invokedExpression.kind === 173) { - var accessExpression = invokedExpression; - var possibleReference = skipParenthesizedNodes(accessExpression.expression); - if (isMatchingReference(reference, possibleReference)) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - if (containsMatchingReference(reference, possibleReference)) { - return declaredType; + } + return result; + } + function getUnionSignatures(types, kind) { + var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { + var signature = _a[_i]; + if (!result || !findMatchingSignature(result, signature, false, true, true)) { + var unionSignatures = findMatchingSignatures(signatureLists, signature, i); + if (unionSignatures) { + var s = signature; + if (unionSignatures.length > 1) { + s = cloneSignature(signature); + if (ts.forEach(unionSignatures, function (sig) { return sig.thisParameter; })) { + var thisType = getUnionType(ts.map(unionSignatures, function (sig) { return getTypeOfSymbol(sig.thisParameter) || anyType; }), true); + s.thisParameter = createTransientSymbol(signature.thisParameter, thisType); + } + s.resolvedReturnType = undefined; + s.unionSignatures = unionSignatures; + } + (result || (result = [])).push(s); } } } - return type; } - function narrowType(type, expr, assumeTrue) { - switch (expr.kind) { - case 70: - case 98: - case 173: - return narrowTypeByTruthiness(type, expr, assumeTrue); - case 175: - return narrowTypeByTypePredicate(type, expr, assumeTrue); - case 179: - return narrowType(type, expr.expression, assumeTrue); - case 188: - return narrowTypeByBinaryExpression(type, expr, assumeTrue); - case 186: - if (expr.operator === 50) { - return narrowType(type, expr.operand, !assumeTrue); - } - break; + return result || emptyArray; + } + function getUnionIndexInfo(types, kind) { + var indexTypes = []; + var isAnyReadonly = false; + for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { + var type = types_1[_i]; + var indexInfo = getIndexInfoOfType(type, kind); + if (!indexInfo) { + return undefined; } - return type; + indexTypes.push(indexInfo.type); + isAnyReadonly = isAnyReadonly || indexInfo.isReadonly; } + return createIndexInfo(getUnionType(indexTypes, true), isAnyReadonly); } - function getTypeOfSymbolAtLocation(symbol, location) { - if (location.kind === 70) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) { - location = location.parent; + function resolveUnionTypeMembers(type) { + var callSignatures = getUnionSignatures(type.types, 0); + var constructSignatures = getUnionSignatures(type.types, 1); + var stringIndexInfo = getUnionIndexInfo(type.types, 0); + var numberIndexInfo = getUnionIndexInfo(type.types, 1); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function intersectTypes(type1, type2) { + return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + } + function intersectIndexInfos(info1, info2) { + return !info1 ? info2 : !info2 ? info1 : createIndexInfo(getIntersectionType([info1.type, info2.type]), info1.isReadonly && info2.isReadonly); + } + function resolveIntersectionTypeMembers(type) { + var callSignatures = emptyArray; + var constructSignatures = emptyArray; + var stringIndexInfo = undefined; + var numberIndexInfo = undefined; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); + stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0)); + numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1)); + } + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function resolveAnonymousTypeMembers(type) { + var symbol = type.symbol; + if (type.target) { + var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); + var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); + var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); + var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0), type.mapper); + var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1), type.mapper); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + else if (symbol.flags & 2048) { + var members = symbol.members; + var callSignatures = getSignaturesOfSymbol(members["__call"]); + var constructSignatures = getSignaturesOfSymbol(members["__new"]); + var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0); + var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + else { + var members = emptySymbols; + var constructSignatures = emptyArray; + if (symbol.flags & 1952) { + members = getExportsOfSymbol(symbol); } - if (ts.isPartOfExpression(location) && !ts.isAssignmentTarget(location)) { - var type = checkExpression(location); - if (getExportSymbolOfValueSymbolIfExported(getNodeLinks(location).resolvedSymbol) === symbol) { - return type; + if (symbol.flags & 32) { + var classType = getDeclaredTypeOfClassOrInterface(symbol); + constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); + if (!constructSignatures.length) { + constructSignatures = getDefaultConstructSignatures(classType); + } + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + if (baseConstructorType.flags & 32768) { + members = createSymbolTable(getNamedMembers(members)); + addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); } } + var numberIndexInfo = symbol.flags & 384 ? enumNumberIndexInfo : undefined; + setStructuredTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); + if (symbol.flags & (16 | 8192)) { + type.callSignatures = getSignaturesOfSymbol(symbol); + } } - return getTypeOfSymbol(symbol); } - function skipParenthesizedNodes(expression) { - while (expression.kind === 179) { - expression = expression.expression; + function resolveStructuredTypeMembers(type) { + if (!type.members) { + if (type.flags & 32768) { + if (type.objectFlags & 4) { + resolveTypeReferenceMembers(type); + } + else if (type.objectFlags & 3) { + resolveClassOrInterfaceMembers(type); + } + else if (type.objectFlags & 16) { + resolveAnonymousTypeMembers(type); + } + } + else if (type.flags & 65536) { + resolveUnionTypeMembers(type); + } + else if (type.flags & 131072) { + resolveIntersectionTypeMembers(type); + } } - return expression; + return type; } - function getControlFlowContainer(node) { - while (true) { - node = node.parent; - if (ts.isFunctionLike(node) && !ts.getImmediatelyInvokedFunctionExpression(node) || - node.kind === 227 || - node.kind === 256 || - node.kind === 146) { - return node; - } + function getPropertiesOfObjectType(type) { + if (type.flags & 32768) { + return resolveStructuredTypeMembers(type).properties; } + return emptyArray; } - function isParameterAssigned(symbol) { - var func = ts.getRootDeclaration(symbol.valueDeclaration).parent; - var links = getNodeLinks(func); - if (!(links.flags & 4194304)) { - links.flags |= 4194304; - if (!hasParentWithAssignmentsMarked(func)) { - markParameterAssignments(func); + function getPropertyOfObjectType(type, name) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + var symbol = resolved.members[name]; + if (symbol && symbolIsValue(symbol)) { + return symbol; } } - return symbol.isAssigned || false; } - function hasParentWithAssignmentsMarked(node) { - while (true) { - node = node.parent; - if (!node) { - return false; + function getPropertiesOfUnionOrIntersectionType(type) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var current = _a[_i]; + for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { + var prop = _c[_b]; + getUnionOrIntersectionProperty(type, prop.name); } - if (ts.isFunctionLike(node) && getNodeLinks(node).flags & 4194304) { - return true; + if (type.flags & 65536) { + break; } } - } - function markParameterAssignments(node) { - if (node.kind === 70) { - if (ts.isAssignmentTarget(node)) { - var symbol = getResolvedSymbol(node); - if (symbol.valueDeclaration && ts.getRootDeclaration(symbol.valueDeclaration).kind === 143) { - symbol.isAssigned = true; + var props = type.resolvedProperties; + if (props) { + var result = []; + for (var key in props) { + var prop = props[key]; + if (!(prop.flags & 268435456 && prop.isPartial)) { + result.push(prop); } } + return result; } - else { - ts.forEachChild(node, markParameterAssignments); - } + return emptyArray; } - function isConstVariable(symbol) { - return symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 && getTypeOfSymbol(symbol) !== autoArrayType; + function getPropertiesOfType(type) { + type = getApparentType(type); + return type.flags & 196608 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); } - function checkIdentifier(node) { - var symbol = getResolvedSymbol(node); - if (symbol === argumentsSymbol) { - var container = ts.getContainingFunction(node); - if (languageVersion < 2) { - if (container.kind === 181) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); - } - else if (ts.hasModifier(container, 256)) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method); - } - } - if (node.flags & 262144) { - getNodeLinks(container).flags |= 8192; + function getApparentTypeOfTypeParameter(type) { + if (!type.resolvedApparentType) { + var constraintType = getConstraintOfTypeParameter(type); + while (constraintType && constraintType.flags & 16384) { + constraintType = getConstraintOfTypeParameter(constraintType); } + type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); } - if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { - markAliasSymbolAsReferenced(symbol); + return type.resolvedApparentType; + } + function getApparentType(type) { + if (type.flags & 16384) { + type = getApparentTypeOfTypeParameter(type); } - var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); - if (localOrExportSymbol.flags & 32) { - var declaration_1 = localOrExportSymbol.valueDeclaration; - if (languageVersion === 2 - && declaration_1.kind === 222 - && ts.nodeIsDecorated(declaration_1)) { - var container = ts.getContainingClass(node); - while (container !== undefined) { - if (container === declaration_1 && container.name !== node) { - getNodeLinks(declaration_1).flags |= 8388608; - getNodeLinks(node).flags |= 16777216; - break; + if (type.flags & 34) { + type = globalStringType; + } + else if (type.flags & 340) { + type = globalNumberType; + } + else if (type.flags & 136) { + type = globalBooleanType; + } + else if (type.flags & 512) { + type = getGlobalESSymbolType(); + } + return type; + } + function createUnionOrIntersectionProperty(containingType, name) { + var types = containingType.types; + var props; + var commonFlags = (containingType.flags & 131072) ? 536870912 : 0; + var isReadonly = false; + var isPartial = false; + for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { + var current = types_2[_i]; + var type = getApparentType(current); + if (type !== unknownType) { + var prop = getPropertyOfType(type, name); + if (prop && !(getDeclarationModifierFlagsFromSymbol(prop) & (8 | 16))) { + commonFlags &= prop.flags; + if (!props) { + props = [prop]; } - container = ts.getContainingClass(container); - } - } - else if (declaration_1.kind === 193) { - var container = ts.getThisContainer(node, false); - while (container !== undefined) { - if (container.parent === declaration_1) { - if (container.kind === 146 && ts.hasModifier(container, 32)) { - getNodeLinks(declaration_1).flags |= 8388608; - getNodeLinks(node).flags |= 16777216; - } - break; + else if (!ts.contains(props, prop)) { + props.push(prop); + } + if (isReadonlySymbol(prop)) { + isReadonly = true; } - container = ts.getThisContainer(container, false); + } + else if (containingType.flags & 65536) { + isPartial = true; } } } - checkCollisionWithCapturedSuperVariable(node, node); - checkCollisionWithCapturedThisVariable(node, node); - checkNestedBlockScopedBinding(node, symbol); - var type = getTypeOfSymbol(localOrExportSymbol); - var declaration = localOrExportSymbol.valueDeclaration; - if (!(localOrExportSymbol.flags & 3) || ts.isAssignmentTarget(node) || !declaration) { - return type; + if (!props) { + return undefined; } - var isParameter = ts.getRootDeclaration(declaration).kind === 143; - var declarationContainer = getControlFlowContainer(declaration); - var flowContainer = getControlFlowContainer(node); - var isOuterVariable = flowContainer !== declarationContainer; - while (flowContainer !== declarationContainer && (flowContainer.kind === 180 || - flowContainer.kind === 181 || ts.isObjectLiteralOrClassExpressionMethod(flowContainer)) && - (isConstVariable(localOrExportSymbol) || isParameter && !isParameterAssigned(localOrExportSymbol))) { - flowContainer = getControlFlowContainer(flowContainer); + if (props.length === 1 && !isPartial) { + return props[0]; } - var assumeInitialized = isParameter || isOuterVariable || - type !== autoType && type !== autoArrayType && (!strictNullChecks || (type.flags & 1) !== 0) || - ts.isInAmbientContext(declaration); - var flowType = getFlowTypeOfReference(node, type, assumeInitialized, flowContainer); - if (type === autoType || type === autoArrayType) { - if (flowType === autoType || flowType === autoArrayType) { - if (compilerOptions.noImplicitAny) { - error(declaration.name, ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined, symbolToString(symbol), typeToString(flowType)); - error(node, ts.Diagnostics.Variable_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType)); - } - return convertAutoToAny(flowType); + var propTypes = []; + var declarations = []; + var commonType = undefined; + var hasNonUniformType = false; + for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { + var prop = props_1[_a]; + if (prop.declarations) { + ts.addRange(declarations, prop.declarations); + } + var type = getTypeOfSymbol(prop); + if (!commonType) { + commonType = type; } + else if (type !== commonType) { + hasNonUniformType = true; + } + propTypes.push(type); } - else if (!assumeInitialized && !(getFalsyFlags(type) & 2048) && getFalsyFlags(flowType) & 2048) { - error(node, ts.Diagnostics.Variable_0_is_used_before_being_assigned, symbolToString(symbol)); - return type; + var result = createSymbol(4 | 67108864 | 268435456 | commonFlags, name); + result.containingType = containingType; + result.hasNonUniformType = hasNonUniformType; + result.isPartial = isPartial; + result.declarations = declarations; + result.isReadonly = isReadonly; + result.type = containingType.flags & 65536 ? getUnionType(propTypes) : getIntersectionType(propTypes); + return result; + } + function getUnionOrIntersectionProperty(type, name) { + var properties = type.resolvedProperties || (type.resolvedProperties = ts.createMap()); + var property = properties[name]; + if (!property) { + property = createUnionOrIntersectionProperty(type, name); + if (property) { + properties[name] = property; + } } - return flowType; + return property; } - function isInsideFunction(node, threshold) { - var current = node; - while (current && current !== threshold) { - if (ts.isFunctionLike(current)) { - return true; + function getPropertyOfUnionOrIntersectionType(type, name) { + var property = getUnionOrIntersectionProperty(type, name); + return property && !(property.flags & 268435456 && property.isPartial) ? property : undefined; + } + function getPropertyOfType(type, name) { + type = getApparentType(type); + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + var symbol = resolved.members[name]; + if (symbol && symbolIsValue(symbol)) { + return symbol; } - current = current.parent; + if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { + var symbol_1 = getPropertyOfObjectType(globalFunctionType, name); + if (symbol_1) { + return symbol_1; + } + } + return getPropertyOfObjectType(globalObjectType, name); } - return false; + if (type.flags & 196608) { + return getPropertyOfUnionOrIntersectionType(type, name); + } + return undefined; } - function checkNestedBlockScopedBinding(node, symbol) { - if (languageVersion >= 2 || - (symbol.flags & (2 | 32)) === 0 || - symbol.valueDeclaration.parent.kind === 252) { - return; + function getSignaturesOfStructuredType(type, kind) { + if (type.flags & 229376) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; } - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - var usedInFunction = isInsideFunction(node.parent, container); - var current = container; - var containedInIterationStatement = false; - while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { - if (ts.isIterationStatement(current, false)) { - containedInIterationStatement = true; - break; + return emptyArray; + } + function getSignaturesOfType(type, kind) { + return getSignaturesOfStructuredType(getApparentType(type), kind); + } + function getIndexInfoOfStructuredType(type, kind) { + if (type.flags & 229376) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.stringIndexInfo : resolved.numberIndexInfo; + } + } + function getIndexTypeOfStructuredType(type, kind) { + var info = getIndexInfoOfStructuredType(type, kind); + return info && info.type; + } + function getIndexInfoOfType(type, kind) { + return getIndexInfoOfStructuredType(getApparentType(type), kind); + } + function getIndexTypeOfType(type, kind) { + return getIndexTypeOfStructuredType(getApparentType(type), kind); + } + function getImplicitIndexTypeOfType(type, kind) { + if (isObjectLiteralType(type)) { + var propTypes = []; + for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) { + var prop = _a[_i]; + if (kind === 0 || isNumericLiteralName(prop.name)) { + propTypes.push(getTypeOfSymbol(prop)); + } + } + if (propTypes.length) { + return getUnionType(propTypes, true); } - current = current.parent; } - if (containedInIterationStatement) { - if (usedInFunction) { - getNodeLinks(current).flags |= 65536; + return undefined; + } + function getTypeParametersFromJSDocTemplate(declaration) { + if (declaration.flags & 1048576) { + var templateTag = ts.getJSDocTemplateTag(declaration); + if (templateTag) { + return getTypeParametersFromDeclaration(templateTag.typeParameters); + } + } + return undefined; + } + function getTypeParametersFromDeclaration(typeParameterDeclarations) { + var result = []; + ts.forEach(typeParameterDeclarations, function (node) { + var tp = getDeclaredTypeOfTypeParameter(node.symbol); + if (!ts.contains(result, tp)) { + result.push(tp); } - if (container.kind === 207 && - ts.getAncestor(symbol.valueDeclaration, 220).parent === container && - isAssignedInBodyOfForStatement(node, container)) { - getNodeLinks(symbol.valueDeclaration).flags |= 2097152; + }); + return result; + } + function symbolsToArray(symbols) { + var result = []; + for (var id in symbols) { + if (!isReservedMemberName(id)) { + result.push(symbols[id]); } - getNodeLinks(symbol.valueDeclaration).flags |= 262144; - } - if (usedInFunction) { - getNodeLinks(symbol.valueDeclaration).flags |= 131072; } + return result; } - function isAssignedInBodyOfForStatement(node, container) { - var current = node; - while (current.parent.kind === 179) { - current = current.parent; - } - var isAssigned = false; - if (ts.isAssignmentTarget(current)) { - isAssigned = true; - } - else if ((current.parent.kind === 186 || current.parent.kind === 187)) { - var expr = current.parent; - isAssigned = expr.operator === 42 || expr.operator === 43; - } - if (!isAssigned) { - return false; - } - while (current !== container) { - if (current === container.statement) { + function isJSDocOptionalParameter(node) { + if (node.flags & 1048576) { + if (node.type && node.type.kind === 268) { return true; } - else { - current = current.parent; + var paramTag = ts.getCorrespondingJSDocParameterTag(node); + if (paramTag) { + if (paramTag.isBracketed) { + return true; + } + if (paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 268; + } } } - return false; } - function captureLexicalThis(node, container) { - getNodeLinks(node).flags |= 2; - if (container.kind === 146 || container.kind === 149) { - var classNode = container.parent; - getNodeLinks(classNode).flags |= 4; + function isOptionalParameter(node) { + if (ts.hasQuestionToken(node) || isJSDocOptionalParameter(node)) { + return true; } - else { - getNodeLinks(container).flags |= 4; + if (node.initializer) { + var signatureDeclaration = node.parent; + var signature = getSignatureFromDeclaration(signatureDeclaration); + var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); + ts.Debug.assert(parameterIndex >= 0); + return parameterIndex >= signature.minArgumentCount; } + return false; } - function findFirstSuperCall(n) { - if (ts.isSuperCall(n)) { - return n; - } - else if (ts.isFunctionLike(n)) { - return undefined; + function createTypePredicateFromTypePredicateNode(node) { + if (node.parameterName.kind === 70) { + var parameterName = node.parameterName; + return { + kind: 1, + parameterName: parameterName ? parameterName.text : undefined, + parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, + type: getTypeFromTypeNode(node.type) + }; } - return ts.forEachChild(n, findFirstSuperCall); - } - function getSuperCallInConstructor(constructor) { - var links = getNodeLinks(constructor); - if (links.hasSuperCall === undefined) { - links.superCall = findFirstSuperCall(constructor.body); - links.hasSuperCall = links.superCall ? true : false; + else { + return { + kind: 0, + type: getTypeFromTypeNode(node.type) + }; } - return links.superCall; - } - function classDeclarationExtendsNull(classDecl) { - var classSymbol = getSymbolOfNode(classDecl); - var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); - var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); - return baseConstructorType === nullWideningType; } - function checkThisExpression(node) { - var container = ts.getThisContainer(node, true); - var needToCaptureLexicalThis = false; - if (container.kind === 149) { - var containingClassDecl = container.parent; - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); - if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { - var superCall = getSuperCallInConstructor(container); - if (!superCall || superCall.end > node.pos) { - error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); + function getSignatureFromDeclaration(declaration) { + var links = getNodeLinks(declaration); + if (!links.resolvedSignature) { + var parameters = []; + var hasLiteralTypes = false; + var minArgumentCount = -1; + var thisParameter = undefined; + var hasThisParameter = void 0; + var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); + for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { + var param = declaration.parameters[i]; + var paramSymbol = param.symbol; + if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { + var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); + paramSymbol = resolvedSymbol; } - } - } - if (container.kind === 181) { - container = ts.getThisContainer(container, false); - needToCaptureLexicalThis = (languageVersion < 2); - } - switch (container.kind) { - case 226: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); - break; - case 225: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - break; - case 149: - if (isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + if (i === 0 && paramSymbol.name === "this") { + hasThisParameter = true; + thisParameter = param.symbol; } - break; - case 146: - case 145: - if (ts.getModifierFlags(container) & 32) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + else { + parameters.push(paramSymbol); } - break; - case 141: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); - break; - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node, container); - } - if (ts.isFunctionLike(container) && - (!isInParameterInitializerBeforeContainingFunction(node) || ts.getThisParameter(container))) { - if (container.kind === 180 && - ts.isInJavaScriptFile(container.parent) && - ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { - var className = container.parent - .left - .expression - .expression; - var classSymbol = checkExpression(className).symbol; - if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { - return getInferredClassType(classSymbol); + if (param.type && param.type.kind === 167) { + hasLiteralTypes = true; + } + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + if (minArgumentCount < 0) { + minArgumentCount = i - (hasThisParameter ? 1 : 0); + } + } + else { + minArgumentCount = -1; } } - var thisType = getThisTypeOfDeclaration(container) || getContextualThisParameterType(container); - if (thisType) { - return thisType; + if ((declaration.kind === 150 || declaration.kind === 151) && + !ts.hasDynamicName(declaration) && + (!hasThisParameter || !thisParameter)) { + var otherKind = declaration.kind === 150 ? 151 : 150; + var other = ts.getDeclarationOfKind(declaration.symbol, otherKind); + if (other) { + thisParameter = getAnnotatedAccessorThisParameter(other); + } } + if (minArgumentCount < 0) { + minArgumentCount = declaration.parameters.length - (hasThisParameter ? 1 : 0); + } + if (isJSConstructSignature) { + minArgumentCount--; + } + var classType = declaration.kind === 149 ? + getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) + : undefined; + var typeParameters = classType ? classType.localTypeParameters : + declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : + getTypeParametersFromJSDocTemplate(declaration); + var returnType = getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType); + var typePredicate = declaration.type && declaration.type.kind === 155 ? + createTypePredicateFromTypePredicateNode(declaration.type) : + undefined; + links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasLiteralTypes); } - if (ts.isClassLike(container.parent)) { - var symbol = getSymbolOfNode(container.parent); - var type = ts.hasModifier(container, 32) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; - return getFlowTypeOfReference(node, type, true, undefined); + return links.resolvedSignature; + } + function getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType) { + if (isJSConstructSignature) { + return getTypeFromTypeNode(declaration.parameters[0].type); } - if (ts.isInJavaScriptFile(node)) { - var type = getTypeForThisExpressionFromJSDoc(container); + else if (classType) { + return classType; + } + else if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.flags & 1048576) { + var type = getReturnTypeFromJSDocComment(declaration); if (type && type !== unknownType) { return type; } } - if (compilerOptions.noImplicitThis) { - error(node, ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation); + if (declaration.kind === 150 && !ts.hasDynamicName(declaration)) { + var setter = ts.getDeclarationOfKind(declaration.symbol, 151); + return getAnnotatedAccessorType(setter); + } + if (ts.nodeIsMissing(declaration.body)) { + return anyType; } - return anyType; } - function getTypeForThisExpressionFromJSDoc(node) { - var typeTag = ts.getJSDocTypeTag(node); - if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 269) { - var jsDocFunctionType = typeTag.typeExpression.type; - if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 272) { - return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + function getSignaturesOfSymbol(symbol) { + if (!symbol) + return emptyArray; + var result = []; + for (var i = 0, len = symbol.declarations.length; i < len; i++) { + var node = symbol.declarations[i]; + switch (node.kind) { + case 157: + case 158: + case 221: + case 148: + case 147: + case 149: + case 152: + case 153: + case 154: + case 150: + case 151: + case 180: + case 181: + case 269: + if (i > 0 && node.body) { + var previous = symbol.declarations[i - 1]; + if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { + break; + } + } + result.push(getSignatureFromDeclaration(node)); } } + return result; } - function isInConstructorArgumentInitializer(node, constructorDecl) { - for (var n = node; n && n !== constructorDecl; n = n.parent) { - if (n.kind === 143) { - return true; + function resolveExternalModuleTypeByLiteral(name) { + var moduleSym = resolveExternalModuleName(name, name); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + return getTypeOfSymbol(resolvedModuleSymbol); } } - return false; + return anyType; } - function checkSuperExpression(node) { - var isCallExpression = node.parent.kind === 175 && node.parent.expression === node; - var container = ts.getSuperContainer(node, true); - var needToCaptureLexicalThis = false; - if (!isCallExpression) { - while (container && container.kind === 181) { - container = ts.getSuperContainer(container, true); - needToCaptureLexicalThis = languageVersion < 2; - } + function getThisTypeOfSignature(signature) { + if (signature.thisParameter) { + return getTypeOfSymbol(signature.thisParameter); } - var canUseSuperExpression = isLegalUsageOfSuperExpression(container); - var nodeCheckFlag = 0; - if (!canUseSuperExpression) { - var current = node; - while (current && current !== container && current.kind !== 141) { - current = current.parent; - } - if (current && current.kind === 141) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + function getReturnTypeOfSignature(signature) { + if (!signature.resolvedReturnType) { + if (!pushTypeResolution(signature, 3)) { + return unknownType; } - else if (isCallExpression) { - error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + var type = void 0; + if (signature.target) { + type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); } - else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 172)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + else if (signature.unionSignatures) { + type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature), true); } else { - error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); - } - return unknownType; - } - if ((ts.getModifierFlags(container) & 32) || isCallExpression) { - nodeCheckFlag = 512; - } - else { - nodeCheckFlag = 256; - } - getNodeLinks(node).flags |= nodeCheckFlag; - if (container.kind === 148 && ts.getModifierFlags(container) & 256) { - if (ts.isSuperProperty(node.parent) && ts.isAssignmentTarget(node.parent)) { - getNodeLinks(container).flags |= 4096; + type = getReturnTypeFromBody(signature.declaration); } - else { - getNodeLinks(container).flags |= 2048; + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var declaration = signature.declaration; + if (declaration.name) { + error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); + } + else { + error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); + } + } } + signature.resolvedReturnType = type; } - if (needToCaptureLexicalThis) { - captureLexicalThis(node.parent, container); - } - if (container.parent.kind === 172) { - if (languageVersion < 2) { - error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); - return unknownType; - } - else { - return anyType; + return signature.resolvedReturnType; + } + function getRestTypeOfSignature(signature) { + if (signature.hasRestParameter) { + var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); + if (getObjectFlags(type) & 4 && type.target === globalArrayType) { + return type.typeArguments[0]; } } - var classLikeDeclaration = container.parent; - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); - var baseClassType = classType && getBaseTypes(classType)[0]; - if (!baseClassType) { - if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); - } - return unknownType; + return anyType; + } + function getSignatureInstantiation(signature, typeArguments) { + return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); + } + function getErasedSignature(signature) { + if (!signature.typeParameters) + return signature; + if (!signature.erasedSignatureCache) { + signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); } - if (container.kind === 149 && isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); - return unknownType; + return signature.erasedSignatureCache; + } + function getOrCreateTypeFromSignature(signature) { + if (!signature.isolatedSignatureType) { + var isConstructor = signature.declaration.kind === 149 || signature.declaration.kind === 153; + var type = createObjectType(16); + type.members = emptySymbols; + type.properties = emptyArray; + type.callSignatures = !isConstructor ? [signature] : emptyArray; + type.constructSignatures = isConstructor ? [signature] : emptyArray; + signature.isolatedSignatureType = type; } - return nodeCheckFlag === 512 - ? getBaseConstructorTypeOfClass(classType) - : getTypeWithThisArgument(baseClassType, classType.thisType); - function isLegalUsageOfSuperExpression(container) { - if (!container) { - return false; - } - if (isCallExpression) { - return container.kind === 149; - } - else { - if (ts.isClassLike(container.parent) || container.parent.kind === 172) { - if (ts.getModifierFlags(container) & 32) { - return container.kind === 148 || - container.kind === 147 || - container.kind === 150 || - container.kind === 151; - } - else { - return container.kind === 148 || - container.kind === 147 || - container.kind === 150 || - container.kind === 151 || - container.kind === 146 || - container.kind === 145 || - container.kind === 149; + return signature.isolatedSignatureType; + } + function getIndexSymbol(symbol) { + return symbol.members["__index"]; + } + function getIndexDeclarationOfSymbol(symbol, kind) { + var syntaxKind = kind === 1 ? 131 : 133; + var indexSymbol = getIndexSymbol(symbol); + if (indexSymbol) { + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var node = decl; + if (node.parameters.length === 1) { + var parameter = node.parameters[0]; + if (parameter && parameter.type && parameter.type.kind === syntaxKind) { + return node; } } } - return false; } + return undefined; } - function getContextualThisParameterType(func) { - if (isContextSensitiveFunctionOrObjectLiteralMethod(func) && func.kind !== 181) { - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var thisParameter = contextualSignature.thisParameter; - if (thisParameter) { - return getTypeOfSymbol(thisParameter); - } - } + function createIndexInfo(type, isReadonly, declaration) { + return { type: type, isReadonly: isReadonly, declaration: declaration }; + } + function getIndexInfoOfSymbol(symbol, kind) { + var declaration = getIndexDeclarationOfSymbol(symbol, kind); + if (declaration) { + return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, (ts.getModifierFlags(declaration) & 64) !== 0, declaration); } return undefined; } - function getContextuallyTypedParameterType(parameter) { - var func = parameter.parent; - if (isContextSensitiveFunctionOrObjectLiteralMethod(func)) { - var iife = ts.getImmediatelyInvokedFunctionExpression(func); - if (iife) { - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (iife.arguments && indexOfParameter < iife.arguments.length) { - if (parameter.dotDotDotToken) { - var restTypes = []; - for (var i = indexOfParameter; i < iife.arguments.length; i++) { - restTypes.push(getWidenedLiteralType(checkExpression(iife.arguments[i]))); - } - return createArrayType(getUnionType(restTypes)); - } - var links = getNodeLinks(iife); - var cached = links.resolvedSignature; - links.resolvedSignature = anySignature; - var type = getWidenedLiteralType(checkExpression(iife.arguments[indexOfParameter])); - links.resolvedSignature = cached; - return type; - } + function getConstraintDeclaration(type) { + return ts.getDeclarationOfKind(type.symbol, 142).constraint; + } + function hasConstraintReferenceTo(type, target) { + var checked; + while (type && type.flags & 16384 && !(type.isThisType) && !ts.contains(checked, type)) { + if (type === target) { + return true; } - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var funcHasRestParameters = ts.hasRestParameter(func); - var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (indexOfParameter < len) { - return getTypeAtPosition(contextualSignature, indexOfParameter); - } - if (funcHasRestParameters && - indexOfParameter === (func.parameters.length - 1) && - isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { - return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); + (checked || (checked = [])).push(type); + var constraintDeclaration = getConstraintDeclaration(type); + type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); + } + return false; + } + function getConstraintOfTypeParameter(typeParameter) { + if (!typeParameter.constraint) { + if (typeParameter.target) { + var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); + typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; + } + else { + var constraintDeclaration = getConstraintDeclaration(typeParameter); + var constraint = getTypeFromTypeNode(constraintDeclaration); + if (hasConstraintReferenceTo(constraint, typeParameter)) { + error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); + constraint = unknownType; } + typeParameter.constraint = constraint; } } - return undefined; + return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; } - function getContextualTypeForInitializerExpression(node) { - var declaration = node.parent; - if (node === declaration.initializer) { - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 143) { - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; + function getParentSymbolOfTypeParameter(typeParameter) { + return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 142).parent); + } + function getTypeListId(types) { + var result = ""; + if (types) { + var length_3 = types.length; + var i = 0; + while (i < length_3) { + var startId = types[i].id; + var count = 1; + while (i + count < length_3 && types[i + count].id === startId + count) { + count++; } - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, true, false); - } - if (ts.isBindingPattern(declaration.parent)) { - var parentDeclaration = declaration.parent.parent; - var name_15 = declaration.propertyName || declaration.name; - if (ts.isVariableLike(parentDeclaration) && - parentDeclaration.type && - !ts.isBindingPattern(name_15)) { - var text = getTextOfPropertyName(name_15); - if (text) { - return getTypeOfPropertyOfType(getTypeFromTypeNode(parentDeclaration.type), text); - } + if (result.length) { + result += ","; + } + result += startId; + if (count > 1) { + result += ":" + count; } + i += count; } } - return undefined; + return result; } - function getContextualTypeForReturnExpression(node) { - var func = ts.getContainingFunction(node); - if (ts.isAsyncFunctionLike(func)) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return getPromisedType(contextualReturnType); + function getPropagatingFlagsOfTypes(types, excludeKinds) { + var result = 0; + for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { + var type = types_3[_i]; + if (!(type.flags & excludeKinds)) { + result |= type.flags; } - return undefined; } - if (func && !func.asteriskToken) { - return getContextualReturnType(func); + return result & 3670016; + } + function createTypeReference(target, typeArguments) { + var id = getTypeListId(typeArguments); + var type = target.instantiations[id]; + if (!type) { + type = target.instantiations[id] = createObjectType(4, target.symbol); + type.flags |= typeArguments ? getPropagatingFlagsOfTypes(typeArguments, 0) : 0; + type.target = target; + type.typeArguments = typeArguments; } - return undefined; + return type; } - function getContextualTypeForYieldOperand(node) { - var func = ts.getContainingFunction(node); - if (func) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return node.asteriskToken - ? contextualReturnType - : getElementTypeOfIterableIterator(contextualReturnType); + function cloneTypeReference(source) { + var type = createType(source.flags); + type.symbol = source.symbol; + type.objectFlags = source.objectFlags; + type.target = source.target; + type.typeArguments = source.typeArguments; + return type; + } + function getTypeReferenceArity(type) { + return type.target.typeParameters ? type.target.typeParameters.length : 0; + } + function getTypeFromClassOrInterfaceReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(getMergedSymbol(symbol)); + var typeParameters = type.localTypeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); + return unknownType; } + return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias))); } - return undefined; + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); + return unknownType; + } + return type; } - function isInParameterInitializerBeforeContainingFunction(node) { - while (node.parent && !ts.isFunctionLike(node.parent)) { - if (node.parent.kind === 143 && node.parent.initializer === node) { - return true; + function getTypeFromTypeAliasReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var links = getSymbolLinks(symbol); + var typeParameters = links.typeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); + return unknownType; } - node = node.parent; + var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias); + var id = getTypeListId(typeArguments); + return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); } - return false; - } - function getContextualReturnType(functionDecl) { - if (functionDecl.type || - functionDecl.kind === 149 || - functionDecl.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 151))) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; } - var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); - if (signature) { - return getReturnTypeOfSignature(signature); + return type; + } + function getTypeFromNonGenericTypeReference(node, symbol) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; } - return undefined; + return getDeclaredTypeOfSymbol(symbol); } - function getContextualTypeForArgument(callTarget, arg) { - var args = getEffectiveCallArguments(callTarget); - var argIndex = ts.indexOf(args, arg); - if (argIndex >= 0) { - var signature = getResolvedOrAnySignature(callTarget); - return getTypeAtPosition(signature, argIndex); + function getTypeReferenceName(node) { + switch (node.kind) { + case 156: + return node.typeName; + case 267: + return node.name; + case 195: + var expr = node.expression; + if (ts.isEntityNameExpression(expr)) { + return expr; + } } return undefined; } - function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { - if (template.parent.kind === 177) { - return getContextualTypeForArgument(template.parent, substitutionExpression); + function resolveTypeReferenceName(typeReferenceName) { + if (!typeReferenceName) { + return unknownSymbol; } - return undefined; + return resolveEntityName(typeReferenceName, 793064) || unknownSymbol; } - function getContextualTypeForBinaryOperand(node) { - var binaryExpression = node.parent; - var operator = binaryExpression.operatorToken.kind; - if (operator >= 57 && operator <= 69) { - if (ts.getSpecialPropertyAssignmentKind(binaryExpression) !== 0) { - return undefined; - } - if (node === binaryExpression.right) { - return checkExpression(binaryExpression.left); - } + function getTypeReferenceType(node, symbol) { + if (symbol === unknownSymbol) { + return unknownType; } - else if (operator === 53) { - var type = getContextualType(binaryExpression); - if (!type && node === binaryExpression.right) { - type = checkExpression(binaryExpression.left); - } - return type; + if (symbol.flags & (32 | 64)) { + return getTypeFromClassOrInterfaceReference(node, symbol); } - else if (operator === 52 || operator === 25) { - if (node === binaryExpression.right) { - return getContextualType(binaryExpression); + if (symbol.flags & 524288) { + return getTypeFromTypeAliasReference(node, symbol); + } + if (symbol.flags & 107455 && node.kind === 267) { + return getTypeOfSymbol(symbol); + } + return getTypeFromNonGenericTypeReference(node, symbol); + } + function getTypeFromTypeReference(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var symbol = void 0; + var type = void 0; + if (node.kind === 267) { + var typeReferenceName = getTypeReferenceName(node); + symbol = resolveTypeReferenceName(typeReferenceName); + type = getTypeReferenceType(node, symbol); + } + else { + var typeNameOrExpression = node.kind === 156 + ? node.typeName + : ts.isEntityNameExpression(node.expression) + ? node.expression + : undefined; + symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793064) || unknownSymbol; + type = symbol === unknownSymbol ? unknownType : + symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : + symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : + getTypeFromNonGenericTypeReference(node, symbol); } + links.resolvedSymbol = symbol; + links.resolvedType = type; } - return undefined; + return links.resolvedType; } - function applyToContextualType(type, mapper) { - if (!(type.flags & 524288)) { - return mapper(type); + function getTypeFromTypeQueryNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getWidenedType(checkExpression(node.exprName)); } - var types = type.types; - var mappedType; - var mappedTypes; - for (var _i = 0, types_13 = types; _i < types_13.length; _i++) { - var current = types_13[_i]; - var t = mapper(current); - if (t) { - if (!mappedType) { - mappedType = t; - } - else if (!mappedTypes) { - mappedTypes = [mappedType, t]; - } - else { - mappedTypes.push(t); + return links.resolvedType; + } + function getTypeOfGlobalSymbol(symbol, arity) { + function getTypeDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + switch (declaration.kind) { + case 222: + case 223: + case 225: + return declaration; } } } - return mappedTypes ? getUnionType(mappedTypes) : mappedType; + if (!symbol) { + return arity ? emptyGenericType : emptyObjectType; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!(type.flags & 32768)) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); + return arity ? emptyGenericType : emptyObjectType; + } + if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); + return arity ? emptyGenericType : emptyObjectType; + } + return type; } - function getTypeOfPropertyOfContextualType(type, name) { - return applyToContextualType(type, function (t) { - var prop = t.flags & 4161536 ? getPropertyOfType(t, name) : undefined; - return prop ? getTypeOfSymbol(prop) : undefined; - }); + function getGlobalValueSymbol(name) { + return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); } - function getIndexTypeOfContextualType(type, kind) { - return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); + function getGlobalTypeSymbol(name) { + return getGlobalSymbol(name, 793064, ts.Diagnostics.Cannot_find_global_type_0); } - function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 524288 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + function getGlobalSymbol(name, meaning, diagnostic) { + return resolveName(undefined, name, meaning, diagnostic, name); } - function getContextualTypeForObjectLiteralMethod(node) { - ts.Debug.assert(ts.isObjectLiteralMethod(node)); - if (isInsideWithStatementBody(node)) { - return undefined; - } - return getContextualTypeForObjectLiteralElement(node); + function getGlobalType(name, arity) { + if (arity === void 0) { arity = 0; } + return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); } - function getContextualTypeForObjectLiteralElement(element) { - var objectLiteral = element.parent; - var type = getApparentTypeOfContextualType(objectLiteral); - if (type) { - if (!ts.hasDynamicName(element)) { - var symbolName = getSymbolOfNode(element).name; - var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); - if (propertyType) { - return propertyType; - } - } - return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || - getIndexTypeOfContextualType(type, 0); + function getExportedTypeFromNamespace(namespace, name) { + var namespaceSymbol = getGlobalSymbol(namespace, 1920, undefined); + var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793064); + return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + } + function createTypedPropertyDescriptorType(propertyType) { + var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); + return globalTypedPropertyDescriptorType !== emptyGenericType + ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) + : emptyObjectType; + } + function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { + return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + } + function createIterableType(elementType) { + return createTypeFromGenericGlobalType(getGlobalIterableType(), [elementType]); + } + function createIterableIteratorType(elementType) { + return createTypeFromGenericGlobalType(getGlobalIterableIteratorType(), [elementType]); + } + function createArrayType(elementType) { + return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + } + function getTypeFromArrayTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); } - return undefined; + return links.resolvedType; } - function getContextualTypeForElementExpression(node) { - var arrayLiteral = node.parent; - var type = getApparentTypeOfContextualType(arrayLiteral); - if (type) { - var index = ts.indexOf(arrayLiteral.elements, node); - return getTypeOfPropertyOfContextualType(type, "" + index) - || getIndexTypeOfContextualType(type, 1) - || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); + function createTupleTypeOfArity(arity) { + var typeParameters = []; + var properties = []; + for (var i = 0; i < arity; i++) { + var typeParameter = createType(16384); + typeParameters.push(typeParameter); + var property = createSymbol(4 | 67108864, "" + i); + property.type = typeParameter; + properties.push(property); } - return undefined; + var type = createObjectType(8 | 4); + type.typeParameters = typeParameters; + type.outerTypeParameters = undefined; + type.localTypeParameters = typeParameters; + type.instantiations = ts.createMap(); + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(16384); + type.thisType.isThisType = true; + type.thisType.constraint = type; + type.declaredProperties = properties; + type.declaredCallSignatures = emptyArray; + type.declaredConstructSignatures = emptyArray; + type.declaredStringIndexInfo = undefined; + type.declaredNumberIndexInfo = undefined; + return type; } - function getContextualTypeForConditionalOperand(node) { - var conditional = node.parent; - return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + function getTupleTypeOfArity(arity) { + return tupleTypes[arity] || (tupleTypes[arity] = createTupleTypeOfArity(arity)); } - function getContextualTypeForJsxAttribute(attribute) { - var kind = attribute.kind; - var jsxElement = attribute.parent; - var attrsType = getJsxElementAttributesType(jsxElement); - if (attribute.kind === 246) { - if (!attrsType || isTypeAny(attrsType)) { - return undefined; + function createTupleType(elementTypes) { + return createTypeReference(getTupleTypeOfArity(elementTypes.length), elementTypes); + } + function getTypeFromTupleTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNodeNoAlias)); + } + return links.resolvedType; + } + function binarySearchTypes(types, type) { + var low = 0; + var high = types.length - 1; + var typeId = type.id; + while (low <= high) { + var middle = low + ((high - low) >> 1); + var id = types[middle].id; + if (id === typeId) { + return middle; + } + else if (id > typeId) { + high = middle - 1; + } + else { + low = middle + 1; } - return getTypeOfPropertyOfType(attrsType, attribute.name.text); } - else if (attribute.kind === 247) { - return attrsType; + return ~low; + } + function containsType(types, type) { + return binarySearchTypes(types, type) >= 0; + } + function addTypeToUnion(typeSet, type) { + var flags = type.flags; + if (flags & 65536) { + addTypesToUnion(typeSet, type.types); + } + else if (flags & 1) { + typeSet.containsAny = true; + } + else if (!strictNullChecks && flags & 6144) { + if (flags & 2048) + typeSet.containsUndefined = true; + if (flags & 4096) + typeSet.containsNull = true; + if (!(flags & 524288)) + typeSet.containsNonWideningType = true; + } + else if (!(flags & 8192)) { + if (flags & 2) + typeSet.containsString = true; + if (flags & 4) + typeSet.containsNumber = true; + if (flags & 96) + typeSet.containsStringOrNumberLiteral = true; + var len = typeSet.length; + var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type); + if (index < 0) { + if (!(flags & 32768 && type.objectFlags & 16 && + type.symbol && type.symbol.flags & (16 | 8192) && containsIdenticalType(typeSet, type))) { + typeSet.splice(~index, 0, type); + } + } } - ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); } - function getApparentTypeOfContextualType(node) { - var type = getContextualType(node); - return type && getApparentType(type); + function addTypesToUnion(typeSet, types) { + for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { + var type = types_4[_i]; + addTypeToUnion(typeSet, type); + } } - function getContextualType(node) { - if (isInsideWithStatementBody(node)) { - return undefined; + function containsIdenticalType(types, type) { + for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { + var t = types_5[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; + } } - if (node.contextualType) { - return node.contextualType; + return false; + } + function isSubtypeOfAny(candidate, types) { + for (var i = 0, len = types.length; i < len; i++) { + if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { + return true; + } } - var parent = node.parent; - switch (parent.kind) { - case 219: - case 143: - case 146: - case 145: - case 170: - return getContextualTypeForInitializerExpression(node); - case 181: - case 212: - return getContextualTypeForReturnExpression(node); - case 191: - return getContextualTypeForYieldOperand(parent); - case 175: - case 176: - return getContextualTypeForArgument(parent, node); - case 178: - case 196: - return getTypeFromTypeNode(parent.type); - case 188: - return getContextualTypeForBinaryOperand(node); - case 253: - case 254: - return getContextualTypeForObjectLiteralElement(parent); - case 171: - return getContextualTypeForElementExpression(node); - case 189: - return getContextualTypeForConditionalOperand(node); - case 198: - ts.Debug.assert(parent.parent.kind === 190); - return getContextualTypeForSubstitutionExpression(parent.parent, node); - case 179: - return getContextualType(parent); - case 248: - return getContextualType(parent); - case 246: - case 247: - return getContextualTypeForJsxAttribute(parent); + return false; + } + function isSetOfLiteralsFromSameEnum(types) { + var first = types[0]; + if (first.flags & 256) { + var firstEnum = getParentOfSymbol(first.symbol); + for (var i = 1; i < types.length; i++) { + var other = types[i]; + if (!(other.flags & 256) || (firstEnum !== getParentOfSymbol(other.symbol))) { + return false; + } + } + return true; } - return undefined; + return false; } - function getNonGenericSignature(type) { - var signatures = getSignaturesOfStructuredType(type, 0); - if (signatures.length === 1) { - var signature = signatures[0]; - if (!signature.typeParameters) { - return signature; + function removeSubtypes(types) { + if (types.length === 0 || isSetOfLiteralsFromSameEnum(types)) { + return; + } + var i = types.length; + while (i > 0) { + i--; + if (isSubtypeOfAny(types[i], types)) { + ts.orderedRemoveItemAt(types, i); } } } - function isFunctionExpressionOrArrowFunction(node) { - return node.kind === 180 || node.kind === 181; - } - function getContextualSignatureForFunctionLikeDeclaration(node) { - return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) - ? getContextualSignature(node) - : undefined; - } - function getContextualTypeForFunctionLikeDeclaration(node) { - return ts.isObjectLiteralMethod(node) ? - getContextualTypeForObjectLiteralMethod(node) : - getApparentTypeOfContextualType(node); + function removeRedundantLiteralTypes(types) { + var i = types.length; + while (i > 0) { + i--; + var t = types[i]; + var remove = t.flags & 32 && types.containsString || + t.flags & 64 && types.containsNumber || + t.flags & 96 && t.flags & 262144 && containsType(types, t.regularType); + if (remove) { + ts.orderedRemoveItemAt(types, i); + } + } } - function getContextualSignature(node) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - var type = getContextualTypeForFunctionLikeDeclaration(node); - if (!type) { - return undefined; + function getUnionType(types, subtypeReduction, aliasSymbol, aliasTypeArguments) { + if (types.length === 0) { + return neverType; } - if (!(type.flags & 524288)) { - return getNonGenericSignature(type); + if (types.length === 1) { + return types[0]; } - var signatureList; - var types = type.types; - for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { - var current = types_14[_i]; - var signature = getNonGenericSignature(current); - if (signature) { - if (!signatureList) { - signatureList = [signature]; - } - else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, true, compareTypesIdentical)) { - return undefined; - } - else { - signatureList.push(signature); - } - } + var typeSet = []; + addTypesToUnion(typeSet, types); + if (typeSet.containsAny) { + return anyType; } - var result; - if (signatureList) { - result = cloneSignature(signatureList[0]); - result.resolvedReturnType = undefined; - result.unionSignatures = signatureList; + if (subtypeReduction) { + removeSubtypes(typeSet); } - return result; + else if (typeSet.containsStringOrNumberLiteral) { + removeRedundantLiteralTypes(typeSet); + } + if (typeSet.length === 0) { + return typeSet.containsNull ? typeSet.containsNonWideningType ? nullType : nullWideningType : + typeSet.containsUndefined ? typeSet.containsNonWideningType ? undefinedType : undefinedWideningType : + neverType; + } + return getUnionTypeFromSortedList(typeSet, aliasSymbol, aliasTypeArguments); } - function isInferentialContext(mapper) { - return mapper && mapper.context; + function getUnionTypeFromSortedList(types, aliasSymbol, aliasTypeArguments) { + if (types.length === 0) { + return neverType; + } + if (types.length === 1) { + return types[0]; + } + var id = getTypeListId(types); + var type = unionTypes[id]; + if (!type) { + var propagatedFlags = getPropagatingFlagsOfTypes(types, 6144); + type = unionTypes[id] = createType(65536 | propagatedFlags); + type.types = types; + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + } + return type; } - function checkSpreadElementExpression(node, contextualMapper) { - var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); - return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); + function getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), false, aliasSymbol, aliasTypeArguments); + } + return links.resolvedType; } - function hasDefaultValue(node) { - return (node.kind === 170 && !!node.initializer) || - (node.kind === 188 && node.operatorToken.kind === 57); + function addTypeToIntersection(typeSet, type) { + if (type.flags & 131072) { + addTypesToIntersection(typeSet, type.types); + } + else if (type.flags & 1) { + typeSet.containsAny = true; + } + else if (!(type.flags & 8192) && (strictNullChecks || !(type.flags & 6144)) && !ts.contains(typeSet, type)) { + typeSet.push(type); + } } - function checkArrayLiteral(node, contextualMapper) { - var elements = node.elements; - var hasSpreadElement = false; - var elementTypes = []; - var inDestructuringPattern = ts.isAssignmentTarget(node); - for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { - var e = elements_1[_i]; - if (inDestructuringPattern && e.kind === 192) { - var restArrayType = checkExpression(e.expression, contextualMapper); - var restElementType = getIndexTypeOfType(restArrayType, 1) || - (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); - if (restElementType) { - elementTypes.push(restElementType); - } - } - else { - var type = checkExpressionForMutableLocation(e, contextualMapper); - elementTypes.push(type); - } - hasSpreadElement = hasSpreadElement || e.kind === 192; + function addTypesToIntersection(typeSet, types) { + for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { + var type = types_6[_i]; + addTypeToIntersection(typeSet, type); } - if (!hasSpreadElement) { - if (inDestructuringPattern && elementTypes.length) { - var type = cloneTypeReference(createTupleType(elementTypes)); - type.pattern = node; - return type; - } - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { - var pattern = contextualType.pattern; - if (pattern && (pattern.kind === 169 || pattern.kind === 171)) { - var patternElements = pattern.elements; - for (var i = elementTypes.length; i < patternElements.length; i++) { - var patternElement = patternElements[i]; - if (hasDefaultValue(patternElement)) { - elementTypes.push(contextualType.typeArguments[i]); - } - else { - if (patternElement.kind !== 194) { - error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - elementTypes.push(unknownType); - } - } - } - if (elementTypes.length) { - return createTupleType(elementTypes); - } + } + function getIntersectionType(types, aliasSymbol, aliasTypeArguments) { + if (types.length === 0) { + return emptyObjectType; + } + var _loop_1 = function (i) { + var type_1 = types[i]; + if (type_1.flags & 65536) { + return { value: getUnionType(ts.map(type_1.types, function (t) { return getIntersectionType(ts.replaceElement(types, i, t)); }), false, aliasSymbol, aliasTypeArguments) }; } + }; + for (var i = 0; i < types.length; i++) { + var state_2 = _loop_1(i); + if (typeof state_2 === "object") + return state_2.value; } - return createArrayType(elementTypes.length ? - getUnionType(elementTypes, true) : - strictNullChecks ? neverType : undefinedWideningType); + var typeSet = []; + addTypesToIntersection(typeSet, types); + if (typeSet.containsAny) { + return anyType; + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = intersectionTypes[id]; + if (!type) { + var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, 6144); + type = intersectionTypes[id] = createType(131072 | propagatedFlags); + type.types = typeSet; + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + } + return type; } - function isNumericName(name) { - return name.kind === 141 ? isNumericComputedName(name) : isNumericLiteralName(name.text); + function getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), aliasSymbol, aliasTypeArguments); + } + return links.resolvedType; } - function isNumericComputedName(name) { - return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 340); + function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = createObjectType(16, node.symbol); + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + links.resolvedType = type; + } + return links.resolvedType; } - function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { - return isTypeAny(type) || isTypeOfKind(type, kind); + function createLiteralType(flags, text) { + var type = createType(flags); + type.text = text; + return type; } - function isInfinityOrNaNString(name) { - return name === "Infinity" || name === "-Infinity" || name === "NaN"; + function getFreshTypeOfLiteralType(type) { + if (type.flags & 96 && !(type.flags & 262144)) { + if (!type.freshType) { + var freshType = createLiteralType(type.flags | 262144, type.text); + freshType.regularType = type; + type.freshType = freshType; + } + return type.freshType; + } + return type; } - function isNumericLiteralName(name) { - return (+name).toString() === name; + function getRegularTypeOfLiteralType(type) { + return type.flags & 96 && type.flags & 262144 ? type.regularType : type; } - function checkComputedPropertyName(node) { - var links = getNodeLinks(node.expression); + function getLiteralTypeForText(flags, text) { + var map = flags & 32 ? stringLiteralTypes : numericLiteralTypes; + return map[text] || (map[text] = createLiteralType(flags, text)); + } + function getTypeFromLiteralTypeNode(node) { + var links = getNodeLinks(node); if (!links.resolvedType) { - links.resolvedType = checkExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 340 | 34 | 512)) { - error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); - } - else { - checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); - } + links.resolvedType = getRegularTypeOfLiteralType(checkExpression(node.literal)); } return links.resolvedType; } - function getObjectLiteralIndexInfo(node, properties, kind) { - var propTypes = []; - for (var i = 0; i < properties.length; i++) { - if (kind === 0 || isNumericName(node.properties[i].name)) { - propTypes.push(getTypeOfSymbol(properties[i])); - } + function getTypeFromJSDocVariadicType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = getTypeFromTypeNode(node.type); + links.resolvedType = type ? createArrayType(type) : unknownType; } - var unionType = propTypes.length ? getUnionType(propTypes, true) : undefinedType; - return createIndexInfo(unionType, false); + return links.resolvedType; } - function checkObjectLiteral(node, contextualMapper) { - var inDestructuringPattern = ts.isAssignmentTarget(node); - checkGrammarObjectLiteralExpression(node, inDestructuringPattern); - var propertiesTable = ts.createMap(); - var propertiesArray = []; - var contextualType = getApparentTypeOfContextualType(node); - var contextualTypeHasPattern = contextualType && contextualType.pattern && - (contextualType.pattern.kind === 168 || contextualType.pattern.kind === 172); - var typeFlags = 0; - var patternWithComputedProperties = false; - var hasComputedStringProperty = false; - var hasComputedNumberProperty = false; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var memberDecl = _a[_i]; - var member = memberDecl.symbol; - if (memberDecl.kind === 253 || - memberDecl.kind === 254 || - ts.isObjectLiteralMethod(memberDecl)) { - var type = void 0; - if (memberDecl.kind === 253) { - type = checkPropertyAssignment(memberDecl, contextualMapper); - } - else if (memberDecl.kind === 148) { - type = checkObjectLiteralMethod(memberDecl, contextualMapper); - } - else { - ts.Debug.assert(memberDecl.kind === 254); - type = checkExpressionForMutableLocation(memberDecl.name, contextualMapper); - } - typeFlags |= type.flags; - var prop = createSymbol(4 | 67108864 | member.flags, member.name); - if (inDestructuringPattern) { - var isOptional = (memberDecl.kind === 253 && hasDefaultValue(memberDecl.initializer)) || - (memberDecl.kind === 254 && memberDecl.objectAssignmentInitializer); - if (isOptional) { - prop.flags |= 536870912; - } - if (ts.hasDynamicName(memberDecl)) { - patternWithComputedProperties = true; - } - } - else if (contextualTypeHasPattern && - !(contextualType.flags & 2588672 && contextualType.isObjectLiteralPatternWithComputedProperties)) { - var impliedProp = getPropertyOfType(contextualType, member.name); - if (impliedProp) { - prop.flags |= impliedProp.flags & 536870912; - } - else if (!compilerOptions.suppressExcessPropertyErrors) { - error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); - } - } - prop.declarations = member.declarations; - prop.parent = member.parent; - if (member.valueDeclaration) { - prop.valueDeclaration = member.valueDeclaration; - } - prop.type = type; - prop.target = member; - member = prop; - } - else { - ts.Debug.assert(memberDecl.kind === 150 || memberDecl.kind === 151); - checkAccessorDeclaration(memberDecl); - } - if (ts.hasDynamicName(memberDecl)) { - if (isNumericName(memberDecl.name)) { - hasComputedNumberProperty = true; - } - else { - hasComputedStringProperty = true; - } - } - else { - propertiesTable[member.name] = member; - } - propertiesArray.push(member); + function getTypeFromJSDocTupleType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var types = ts.map(node.types, getTypeFromTypeNodeNoAlias); + links.resolvedType = createTupleType(types); } - if (contextualTypeHasPattern) { - for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { - var prop = _c[_b]; - if (!propertiesTable[prop.name]) { - if (!(prop.flags & 536870912)) { - error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - propertiesTable[prop.name] = prop; - propertiesArray.push(prop); - } + return links.resolvedType; + } + function getThisType(node) { + var container = ts.getThisContainer(node, false); + var parent = container && container.parent; + if (parent && (ts.isClassLike(parent) || parent.kind === 223)) { + if (!(ts.getModifierFlags(container) & 32) && + (container.kind !== 149 || ts.isNodeDescendantOf(node, container.body))) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; } } - var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0) : undefined; - var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1) : undefined; - var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 16777216; - result.flags |= 8388608 | 67108864 | freshObjectLiteralFlag | (typeFlags & 234881024); - if (patternWithComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; - } - if (inDestructuringPattern) { - result.pattern = node; + error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); + return unknownType; + } + function getTypeFromThisTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getThisType(node); } - return result; + return links.resolvedType; } - function checkJsxSelfClosingElement(node) { - checkJsxOpeningLikeElement(node); - return jsxElementType || anyType; + function getTypeFromTypeNodeNoAlias(type) { + return getTypeFromTypeNode(type, undefined, undefined); } - function checkJsxElement(node) { - checkJsxOpeningLikeElement(node.openingElement); - if (isJsxIntrinsicIdentifier(node.closingElement.tagName)) { - getIntrinsicTagSymbol(node.closingElement); + function getTypeFromTypeNode(node, aliasSymbol, aliasTypeArguments) { + switch (node.kind) { + case 118: + case 258: + case 259: + return anyType; + case 133: + return stringType; + case 131: + return numberType; + case 121: + return booleanType; + case 134: + return esSymbolType; + case 104: + return voidType; + case 136: + return undefinedType; + case 94: + return nullType; + case 128: + return neverType; + case 283: + return nullType; + case 284: + return undefinedType; + case 285: + return neverType; + case 166: + case 98: + return getTypeFromThisTypeNode(node); + case 167: + return getTypeFromLiteralTypeNode(node); + case 282: + return getTypeFromLiteralTypeNode(node.literal); + case 156: + case 267: + return getTypeFromTypeReference(node); + case 155: + return booleanType; + case 195: + return getTypeFromTypeReference(node); + case 159: + return getTypeFromTypeQueryNode(node); + case 161: + case 260: + return getTypeFromArrayTypeNode(node); + case 162: + return getTypeFromTupleTypeNode(node); + case 163: + case 261: + return getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments); + case 164: + return getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments); + case 165: + case 263: + case 264: + case 271: + case 272: + case 268: + return getTypeFromTypeNode(node.type); + case 265: + return getTypeFromTypeNode(node.literal); + case 157: + case 158: + case 160: + case 281: + case 269: + return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments); + case 70: + case 140: + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + case 262: + return getTypeFromJSDocTupleType(node); + case 270: + return getTypeFromJSDocVariadicType(node); + default: + return unknownType; } - else { - checkExpression(node.closingElement.tagName); + } + function instantiateList(items, mapper, instantiator) { + if (items && items.length) { + var result = []; + for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { + var v = items_1[_i]; + result.push(instantiator(v, mapper)); + } + return result; } - for (var _i = 0, _a = node.children; _i < _a.length; _i++) { - var child = _a[_i]; - switch (child.kind) { - case 248: - checkJsxExpression(child); - break; - case 242: - checkJsxElement(child); - break; - case 243: - checkJsxSelfClosingElement(child); - break; + return items; + } + function createUnaryTypeMapper(source, target) { + return function (t) { return t === source ? target : t; }; + } + function createBinaryTypeMapper(source1, target1, source2, target2) { + return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; + } + function createArrayTypeMapper(sources, targets) { + return function (t) { + for (var i = 0; i < sources.length; i++) { + if (t === sources[i]) { + return targets ? targets[i] : anyType; + } } - } - return jsxElementType || anyType; + return t; + }; } - function isUnhyphenatedJsxName(name) { - return name.indexOf("-") < 0; + function createTypeMapper(sources, targets) { + var count = sources.length; + var mapper = count == 1 ? createUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) : + count == 2 ? createBinaryTypeMapper(sources[0], targets ? targets[0] : anyType, sources[1], targets ? targets[1] : anyType) : + createArrayTypeMapper(sources, targets); + mapper.mappedTypes = sources; + mapper.targetTypes = targets; + return mapper; } - function isJsxIntrinsicIdentifier(tagName) { - if (tagName.kind === 173 || tagName.kind === 98) { - return false; - } - else { - return ts.isIntrinsicJsxName(tagName.text); - } + function createTypeEraser(sources) { + return createTypeMapper(sources, undefined); } - function checkJsxAttribute(node, elementAttributesType, nameTable) { - var correspondingPropType = undefined; - if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { - error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); - } - else if (elementAttributesType && !isTypeAny(elementAttributesType)) { - var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); - correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); - if (isUnhyphenatedJsxName(node.name.text)) { - var attributeType = getTypeOfPropertyOfType(elementAttributesType, getTextOfPropertyName(node.name)) || getIndexTypeOfType(elementAttributesType, 0); - if (attributeType) { - correspondingPropType = attributeType; - } - else { - if (!correspondingPropType) { - error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); - return unknownType; + function getInferenceMapper(context) { + if (!context.mapper) { + var mapper = function (t) { + var typeParameters = context.signature.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (t === typeParameters[i]) { + context.inferences[i].isFixed = true; + return getInferredType(context, i); } } - } - } - var exprType; - if (node.initializer) { - exprType = checkExpression(node.initializer); - } - else { - exprType = booleanType; - } - if (correspondingPropType) { - checkTypeAssignableTo(exprType, correspondingPropType, node); + return t; + }; + mapper.mappedTypes = context.signature.typeParameters; + mapper.context = context; + context.mapper = mapper; } - nameTable[node.name.text] = true; - return exprType; + return context.mapper; } - function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { - var type = checkExpression(node.expression); - var props = getPropertiesOfType(type); - for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { - var prop = props_2[_i]; - if (!nameTable[prop.name]) { - var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); - if (targetPropSym) { - var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); - checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); - } - nameTable[prop.name] = true; - } - } + function identityMapper(type) { return type; } - function getJsxType(name) { - if (jsxTypes[name] === undefined) { - return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; - } - return jsxTypes[name]; + function combineTypeMappers(mapper1, mapper2) { + var mapper = function (t) { return instantiateType(mapper1(t), mapper2); }; + mapper.mappedTypes = mapper1.mappedTypes; + return mapper; } - function getIntrinsicTagSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); - if (intrinsicProp) { - links.jsxFlags |= 1; - return links.resolvedSymbol = intrinsicProp; - } - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); - if (indexSignatureType) { - links.jsxFlags |= 2; - return links.resolvedSymbol = intrinsicElementsType.symbol; - } - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); - return links.resolvedSymbol = unknownSymbol; - } - else { - if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); - } - return links.resolvedSymbol = unknownSymbol; - } - } - return links.resolvedSymbol; + function cloneTypeParameter(typeParameter) { + var result = createType(16384); + result.symbol = typeParameter.symbol; + result.target = typeParameter; + return result; } - function getJsxElementInstanceType(node, valueType) { - ts.Debug.assert(!(valueType.flags & 524288)); - if (isTypeAny(valueType)) { - return anyType; + function cloneTypePredicate(predicate, mapper) { + if (ts.isIdentifierTypePredicate(predicate)) { + return { + kind: 1, + parameterName: predicate.parameterName, + parameterIndex: predicate.parameterIndex, + type: instantiateType(predicate.type, mapper) + }; } - var signatures = getSignaturesOfType(valueType, 1); - if (signatures.length === 0) { - signatures = getSignaturesOfType(valueType, 0); - if (signatures.length === 0) { - error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); - return unknownType; - } + else { + return { + kind: 0, + type: instantiateType(predicate.type, mapper) + }; } - return getUnionType(ts.map(signatures, getReturnTypeOfSignature), true); } - function getJsxElementPropertiesName() { - var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1920, undefined); - var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793064); - var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); - var attribProperties = attribPropType && getPropertiesOfType(attribPropType); - if (attribProperties) { - if (attribProperties.length === 0) { - return ""; - } - else if (attribProperties.length === 1) { - return attribProperties[0].name; - } - else { - error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); - return undefined; + function instantiateSignature(signature, mapper, eraseTypeParameters) { + var freshTypeParameters; + var freshTypePredicate; + if (signature.typeParameters && !eraseTypeParameters) { + freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); + mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); + for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { + var tp = freshTypeParameters_1[_i]; + tp.mapper = mapper; } } - else { - return undefined; + if (signature.typePredicate) { + freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); } + var result = createSignature(signature.declaration, freshTypeParameters, signature.thisParameter && instantiateSymbol(signature.thisParameter, mapper), instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasLiteralTypes); + result.target = signature; + result.mapper = mapper; + return result; } - function getResolvedJsxType(node, elemType, elemClassType) { - if (!elemType) { - elemType = checkExpression(node.tagName); - } - if (elemType.flags & 524288) { - var types = elemType.types; - return getUnionType(ts.map(types, function (type) { - return getResolvedJsxType(node, type, elemClassType); - }), true); - } - if (elemType.flags & 2) { - return anyType; + function instantiateSymbol(symbol, mapper) { + if (symbol.flags & 16777216) { + var links = getSymbolLinks(symbol); + symbol = links.target; + mapper = combineTypeMappers(links.mapper, mapper); } - else if (elemType.flags & 32) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - var stringLiteralTypeName = elemType.text; - var intrinsicProp = getPropertyOfType(intrinsicElementsType, stringLiteralTypeName); - if (intrinsicProp) { - return getTypeOfSymbol(intrinsicProp); - } - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); - if (indexSignatureType) { - return indexSignatureType; - } - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, stringLiteralTypeName, "JSX." + JsxNames.IntrinsicElements); - } - return anyType; + var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); + result.declarations = symbol.declarations; + result.parent = symbol.parent; + result.target = symbol; + result.mapper = mapper; + if (symbol.valueDeclaration) { + result.valueDeclaration = symbol.valueDeclaration; } - var elemInstanceType = getJsxElementInstanceType(node, elemType); - if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { - if (jsxElementType) { - var callSignatures = elemType && getSignaturesOfType(elemType, 0); - var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; - var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); - var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); - if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { - var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttributes !== unknownType) { - paramType = intersectTypes(intrinsicAttributes, paramType); - } - return paramType; - } + return result; + } + function instantiateAnonymousType(type, mapper) { + if (mapper.instantiations) { + var cachedType = mapper.instantiations[type.id]; + if (cachedType) { + return cachedType; } } - if (elemClassType) { - checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); - } - if (isTypeAny(elemInstanceType)) { - return elemInstanceType; - } - var propsName = getJsxElementPropertiesName(); - if (propsName === undefined) { - return anyType; - } - else if (propsName === "") { - return elemInstanceType; - } else { - var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); - if (!attributesType) { - return emptyObjectType; - } - else if (isTypeAny(attributesType) || (attributesType === unknownType)) { - return attributesType; - } - else if (attributesType.flags & 524288) { - error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); - return anyType; - } - else { - var apparentAttributesType = attributesType; - var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); - if (intrinsicClassAttribs !== unknownType) { - var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); - if (typeParams) { - if (typeParams.length === 1) { - apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + mapper.instantiations = []; + } + var result = createObjectType(16 | 32, type.symbol); + result.target = type; + result.mapper = mapper; + result.aliasSymbol = type.aliasSymbol; + result.aliasTypeArguments = mapper.targetTypes; + mapper.instantiations[type.id] = result; + return result; + } + function isSymbolInScopeOfMappedTypeParameter(symbol, mapper) { + var mappedTypes = mapper.mappedTypes; + var node = symbol.declarations[0].parent; + while (node) { + switch (node.kind) { + case 157: + case 158: + case 221: + case 148: + case 147: + case 149: + case 152: + case 153: + case 154: + case 150: + case 151: + case 180: + case 181: + case 222: + case 193: + case 223: + case 224: + var declaration = node; + if (declaration.typeParameters) { + for (var _i = 0, _a = declaration.typeParameters; _i < _a.length; _i++) { + var d = _a[_i]; + if (ts.contains(mappedTypes, getDeclaredTypeOfTypeParameter(getSymbolOfNode(d)))) { + return true; + } } } - else { - apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + if (ts.isClassLike(node) || node.kind === 223) { + var thisType = getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType; + if (thisType && ts.contains(mappedTypes, thisType)) { + return true; + } } - } - var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttribs !== unknownType) { - apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); - } - return apparentAttributesType; + break; + case 226: + case 256: + return false; } + node = node.parent; } + return false; } - function getJsxElementAttributesType(node) { - var links = getNodeLinks(node); - if (!links.resolvedJsxType) { - if (isJsxIntrinsicIdentifier(node.tagName)) { - var symbol = getIntrinsicTagSymbol(node); - if (links.jsxFlags & 1) { - return links.resolvedJsxType = getTypeOfSymbol(symbol); - } - else if (links.jsxFlags & 2) { - return links.resolvedJsxType = getIndexInfoOfSymbol(symbol, 0).type; + function instantiateType(type, mapper) { + if (type && mapper !== identityMapper) { + if (type.flags & 16384) { + return mapper(type); + } + if (type.flags & 32768) { + if (type.objectFlags & 16) { + return type.symbol && + type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) && + (type.objectFlags & 32 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? + instantiateAnonymousType(type, mapper) : type; } - else { - return links.resolvedJsxType = unknownType; + if (type.objectFlags & 4) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); } } - else { - var elemClassType = getJsxGlobalElementClassType(); - return links.resolvedJsxType = getResolvedJsxType(node, undefined, elemClassType); + if (type.flags & 65536 && !(type.flags & 8190)) { + return getUnionType(instantiateList(type.types, mapper, instantiateType), false, type.aliasSymbol, mapper.targetTypes); } - } - return links.resolvedJsxType; - } - function getJsxAttributePropertySymbol(attrib) { - var attributesType = getJsxElementAttributesType(attrib.parent); - var prop = getPropertyOfType(attributesType, attrib.name.text); - return prop || unknownSymbol; - } - function getJsxGlobalElementClassType() { - if (!jsxElementClassType) { - jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); - } - return jsxElementClassType; - } - function getJsxIntrinsicTagNames() { - var intrinsics = getJsxType(JsxNames.IntrinsicElements); - return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; - } - function checkJsxPreconditions(errorNode) { - if ((compilerOptions.jsx || 0) === 0) { - error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); - } - if (jsxElementType === undefined) { - if (compilerOptions.noImplicitAny) { - error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); + if (type.flags & 131072) { + return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes); } } + return type; } - function checkJsxOpeningLikeElement(node) { - checkGrammarJsxElement(node); - checkJsxPreconditions(node); - var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; - var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); - if (reactSym) { - getSymbolLinks(reactSym).referenced = true; - } - var targetAttributesType = getJsxElementAttributesType(node); - var nameTable = ts.createMap(); - var sawSpreadedAny = false; - for (var i = node.attributes.length - 1; i >= 0; i--) { - if (node.attributes[i].kind === 246) { - checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); - } - else { - ts.Debug.assert(node.attributes[i].kind === 247); - var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); - if (isTypeAny(spreadType)) { - sawSpreadedAny = true; - } - } - } - if (targetAttributesType && !sawSpreadedAny) { - var targetProperties = getPropertiesOfType(targetAttributesType); - for (var i = 0; i < targetProperties.length; i++) { - if (!(targetProperties[i].flags & 536870912) && - !nameTable[targetProperties[i].name]) { - error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); - } - } - } + function instantiateIndexInfo(info, mapper) { + return info && createIndexInfo(instantiateType(info.type, mapper), info.isReadonly, info.declaration); } - function checkJsxExpression(node) { - if (node.expression) { - return checkExpression(node.expression); - } - else { - return unknownType; + function isContextSensitive(node) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + switch (node.kind) { + case 180: + case 181: + return isContextSensitiveFunctionLikeDeclaration(node); + case 172: + return ts.forEach(node.properties, isContextSensitive); + case 171: + return ts.forEach(node.elements, isContextSensitive); + case 189: + return isContextSensitive(node.whenTrue) || + isContextSensitive(node.whenFalse); + case 188: + return node.operatorToken.kind === 53 && + (isContextSensitive(node.left) || isContextSensitive(node.right)); + case 253: + return isContextSensitive(node.initializer); + case 148: + case 147: + return isContextSensitiveFunctionLikeDeclaration(node); + case 179: + return isContextSensitive(node.expression); } + return false; } - function getDeclarationKindFromSymbol(s) { - return s.valueDeclaration ? s.valueDeclaration.kind : 146; - } - function getDeclarationModifierFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedModifierFlags(s.valueDeclaration) : s.flags & 134217728 ? 4 | 32 : 0; - } - function getDeclarationNodeFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : 0; - } - function checkClassPropertyAccess(node, left, type, prop) { - var flags = getDeclarationModifierFlagsFromSymbol(prop); - var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); - var errorNode = node.kind === 173 || node.kind === 219 ? - node.name : - node.right; - if (left.kind === 96) { - if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 148) { - error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); - return false; - } - if (flags & 128) { - error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); - return false; - } - } - if (!(flags & 24)) { - return true; - } - if (flags & 8) { - var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop)); - if (!isNodeWithinClass(node, declaringClassDeclaration)) { - error(errorNode, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); - return false; - } - return true; - } - if (left.kind === 96) { - return true; - } - var enclosingClass = forEachEnclosingClass(node, function (enclosingDeclaration) { - var enclosingClass = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingDeclaration)); - return hasBaseType(enclosingClass, declaringClass) ? enclosingClass : undefined; - }); - if (!enclosingClass) { - error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + function isContextSensitiveFunctionLikeDeclaration(node) { + if (node.typeParameters) { return false; } - if (flags & 32) { + if (ts.forEach(node.parameters, function (p) { return !p.type; })) { return true; } - if (type.flags & 16384 && type.isThisType) { - type = getConstraintOfTypeParameter(type); - } - if (!(getTargetType(type).flags & (32768 | 65536) && hasBaseType(type, enclosingClass))) { - error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + if (node.kind === 181) { return false; } - return true; + var parameter = ts.firstOrUndefined(node.parameters); + return !(parameter && ts.parameterIsThisKeyword(parameter)); } - function checkNonNullExpression(node) { - var type = checkExpression(node); - if (strictNullChecks) { - var kind = getFalsyFlags(type) & 6144; - if (kind) { - error(node, kind & 2048 ? kind & 4096 ? - ts.Diagnostics.Object_is_possibly_null_or_undefined : - ts.Diagnostics.Object_is_possibly_undefined : - ts.Diagnostics.Object_is_possibly_null); + function isContextSensitiveFunctionOrObjectLiteralMethod(func) { + return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func); + } + function getTypeWithoutSignatures(type) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.constructSignatures.length) { + var result = createObjectType(16, type.symbol); + result.members = resolved.members; + result.properties = resolved.properties; + result.callSignatures = emptyArray; + result.constructSignatures = emptyArray; + type = result; } - return getNonNullableType(type); } return type; } - function checkPropertyAccessExpression(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); + function isTypeIdenticalTo(source, target) { + return isTypeRelatedTo(source, target, identityRelation); } - function checkQualifiedName(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + function compareTypesIdentical(source, target) { + return isTypeRelatedTo(source, target, identityRelation) ? -1 : 0; } - function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { - var type = checkNonNullExpression(left); - if (isTypeAny(type) || type === silentNeverType) { - return type; + function compareTypesAssignable(source, target) { + return isTypeRelatedTo(source, target, assignableRelation) ? -1 : 0; + } + function isTypeSubtypeOf(source, target) { + return isTypeRelatedTo(source, target, subtypeRelation); + } + function isTypeAssignableTo(source, target) { + return isTypeRelatedTo(source, target, assignableRelation); + } + function isTypeInstanceOf(source, target) { + return source === target || isTypeSubtypeOf(source, target) && !isTypeIdenticalTo(source, target); + } + function isTypeComparableTo(source, target) { + return isTypeRelatedTo(source, target, comparableRelation); + } + function areTypesComparable(type1, type2) { + return isTypeComparableTo(type1, type2) || isTypeComparableTo(type2, type1); + } + function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeComparableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, comparableRelation, errorNode, headMessage, containingMessageChain); + } + function isSignatureAssignableTo(source, target, ignoreReturnTypes) { + return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; + } + function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { + if (source === target) { + return -1; } - var apparentType = getApparentType(getWidenedType(type)); - if (apparentType === unknownType || (type.flags & 16384 && isTypeAny(apparentType))) { - return apparentType; + if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { + return 0; } - var prop = getPropertyOfType(apparentType, right.text); - if (!prop) { - if (right.text && !checkAndReportErrorForExtendingInterface(node)) { - reportNonexistentProperty(right, type.flags & 16384 && type.isThisType ? apparentType : type); + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + var sourceThisType = getThisTypeOfSignature(source); + if (sourceThisType && sourceThisType !== voidType) { + var targetThisType = getThisTypeOfSignature(target); + if (targetThisType) { + var related = compareTypes(sourceThisType, targetThisType, false) + || compareTypes(targetThisType, sourceThisType, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.The_this_types_of_each_signature_are_incompatible); + } + return 0; + } + result &= related; } - return unknownType; } - if (noUnusedIdentifiers && - (prop.flags & 106500) && - prop.valueDeclaration && (ts.getModifierFlags(prop.valueDeclaration) & 8)) { - if (prop.flags & 16777216) { - getSymbolLinks(prop).target.isReferenced = true; - } - else { - prop.isReferenced = true; + var sourceMax = getNumNonRestParameters(source); + var targetMax = getNumNonRestParameters(target); + var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); + var sourceParams = source.parameters; + var targetParams = target.parameters; + for (var i = 0; i < checkCount; i++) { + var s = i < sourceMax ? getTypeOfParameter(sourceParams[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfParameter(targetParams[i]) : getRestTypeOfSignature(target); + var related = compareTypes(s, t, false) || compareTypes(t, s, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); + } + return 0; } + result &= related; } - getNodeLinks(node).resolvedSymbol = prop; - if (prop.parent && prop.parent.flags & 32) { - checkClassPropertyAccess(node, left, apparentType, prop); - } - var propType = getTypeOfSymbol(prop); - if (node.kind !== 173 || ts.isAssignmentTarget(node) || - !(prop.flags & (3 | 4 | 98304)) && - !(prop.flags & 8192 && propType.flags & 524288)) { - return propType; - } - return getFlowTypeOfReference(node, propType, true, undefined); - function reportNonexistentProperty(propNode, containingType) { - var errorInfo; - if (containingType.flags & 524288 && !(containingType.flags & 8190)) { - for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { - var subtype = _a[_i]; - if (!getPropertyOfType(subtype, propNode.text)) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(subtype)); - break; + if (!ignoreReturnTypes) { + var targetReturnType = getReturnTypeOfSignature(target); + if (targetReturnType === voidType) { + return result; + } + var sourceReturnType = getReturnTypeOfSignature(source); + if (target.typePredicate) { + if (source.typePredicate) { + result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); + } + else if (ts.isIdentifierTypePredicate(target.typePredicate)) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); } + return 0; } } - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(containingType)); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(propNode, errorInfo)); + else { + result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + } } + return result; } - function isValidPropertyAccess(node, propertyName) { - var left = node.kind === 173 - ? node.expression - : node.left; - var type = checkExpression(left); - if (type !== unknownType && !isTypeAny(type)) { - var prop = getPropertyOfType(getWidenedType(type), propertyName); - if (prop && prop.parent && prop.parent.flags & 32) { - return checkClassPropertyAccess(node, left, type, prop); + function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { + if (source.kind !== target.kind) { + if (reportErrors) { + errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); } + return 0; } - return true; - } - function getForInVariableSymbol(node) { - var initializer = node.initializer; - if (initializer.kind === 220) { - var variable = initializer.declarations[0]; - if (variable && !ts.isBindingPattern(variable.name)) { - return getSymbolOfNode(variable); + if (source.kind === 1) { + var sourceIdentifierPredicate = source; + var targetIdentifierPredicate = target; + if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0; } } - else if (initializer.kind === 70) { - return getResolvedSymbol(initializer); + var related = compareTypes(source.type, target.type, reportErrors); + if (related === 0 && reportErrors) { + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); } - return undefined; - } - function hasNumericPropertyNames(type) { - return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); + return related; } - function isForInVariableForNumericPropertyNames(expr) { - var e = skipParenthesizedNodes(expr); - if (e.kind === 70) { - var symbol = getResolvedSymbol(e); - if (symbol.flags & 3) { - var child = expr; - var node = expr.parent; - while (node) { - if (node.kind === 208 && - child === node.statement && - getForInVariableSymbol(node) === symbol && - hasNumericPropertyNames(checkExpression(node.expression))) { - return true; - } - child = node; - node = node.parent; - } - } + function isImplementationCompatibleWithOverload(implementation, overload) { + var erasedSource = getErasedSignature(implementation); + var erasedTarget = getErasedSignature(overload); + var sourceReturnType = getReturnTypeOfSignature(erasedSource); + var targetReturnType = getReturnTypeOfSignature(erasedTarget); + if (targetReturnType === voidType + || isTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation) + || isTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation)) { + return isSignatureAssignableTo(erasedSource, erasedTarget, true); } return false; } - function checkIndexedAccess(node) { - if (!node.argumentExpression) { - var sourceFile = ts.getSourceFileOfNode(node); - if (node.parent.kind === 176 && node.parent.expression === node) { - var start = ts.skipTrivia(sourceFile.text, node.expression.end); - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + function getNumNonRestParameters(signature) { + var numParams = signature.parameters.length; + return signature.hasRestParameter ? + numParams - 1 : + numParams; + } + function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { + if (source.hasRestParameter === target.hasRestParameter) { + if (source.hasRestParameter) { + return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; } else { - var start = node.end - "]".length; - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + return Math.min(sourceNonRestParamCount, targetNonRestParamCount); } } - var objectType = getApparentType(checkNonNullExpression(node.expression)); - var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; - if (objectType === unknownType || objectType === silentNeverType) { - return objectType; + else { + return source.hasRestParameter ? + targetNonRestParamCount : + sourceNonRestParamCount; } - var isConstEnum = isConstEnumObjectType(objectType); - if (isConstEnum && - (!node.argumentExpression || node.argumentExpression.kind !== 9)) { - error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); - return unknownType; + } + function isEnumTypeRelatedTo(source, target, errorReporter) { + if (source === target) { + return true; } - if (node.argumentExpression) { - var name_16 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); - if (name_16 !== undefined) { - var prop = getPropertyOfType(objectType, name_16); - if (prop) { - getNodeLinks(node).resolvedSymbol = prop; - return getTypeOfSymbol(prop); - } - else if (isConstEnum) { - error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_16, symbolToString(objectType.symbol)); - return unknownType; - } - } + var id = source.id + "," + target.id; + if (enumRelation[id] !== undefined) { + return enumRelation[id]; } - var allowedNullableFlags = strictNullChecks ? 0 : 6144; - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 34 | 340 | 512 | allowedNullableFlags)) { - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | allowedNullableFlags) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { - var numberIndexInfo = getIndexInfoOfType(objectType, 1); - if (numberIndexInfo) { - getNodeLinks(node).resolvedIndexInfo = numberIndexInfo; - return numberIndexInfo.type; + if (source.symbol.name !== target.symbol.name || + !(source.symbol.flags & 256) || !(target.symbol.flags & 256) || + (source.flags & 65536) !== (target.flags & 65536)) { + return enumRelation[id] = false; + } + var targetEnumType = getTypeOfSymbol(target.symbol); + for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { + var property = _a[_i]; + if (property.flags & 8) { + var targetProperty = getPropertyOfType(targetEnumType, property.name); + if (!targetProperty || !(targetProperty.flags & 8)) { + if (errorReporter) { + errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); + } + return enumRelation[id] = false; } } - var stringIndexInfo = getIndexInfoOfType(objectType, 0); - if (stringIndexInfo) { - getNodeLinks(node).resolvedIndexInfo = stringIndexInfo; - return stringIndexInfo.type; + } + return enumRelation[id] = true; + } + function isSimpleTypeRelatedTo(source, target, relation, errorReporter) { + if (target.flags & 8192) + return false; + if (target.flags & 1 || source.flags & 8192) + return true; + if (source.flags & 34 && target.flags & 2) + return true; + if (source.flags & 340 && target.flags & 4) + return true; + if (source.flags & 136 && target.flags & 8) + return true; + if (source.flags & 256 && target.flags & 16 && source.baseType === target) + return true; + if (source.flags & 16 && target.flags & 16 && isEnumTypeRelatedTo(source, target, errorReporter)) + return true; + if (source.flags & 2048 && (!strictNullChecks || target.flags & (2048 | 1024))) + return true; + if (source.flags & 4096 && (!strictNullChecks || target.flags & 4096)) + return true; + if (relation === assignableRelation || relation === comparableRelation) { + if (source.flags & 1) + return true; + if ((source.flags & 4 | source.flags & 64) && target.flags & 272) + return true; + if (source.flags & 256 && + target.flags & 256 && + source.text === target.text && + isEnumTypeRelatedTo(source.baseType, target.baseType, errorReporter)) { + return true; } - if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { - error(node, getIndexTypeOfType(objectType, 1) ? - ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : - ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); + if (source.flags & 256 && + target.flags & 16 && + isEnumTypeRelatedTo(target, source.baseType, errorReporter)) { + return true; } - return anyType; } - error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); - return unknownType; + return false; } - function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { - if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { - return indexArgumentExpression.text; + function isTypeRelatedTo(source, target, relation) { + if (source.flags & 96 && source.flags & 262144) { + source = source.regularType; } - if (indexArgumentExpression.kind === 174 || indexArgumentExpression.kind === 173) { - var value = getConstantValue(indexArgumentExpression); - if (value !== undefined) { - return value.toString(); + if (target.flags & 96 && target.flags & 262144) { + target = target.regularType; + } + if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) { + return true; + } + if (source.flags & 32768 && target.flags & 32768) { + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + return related === 1; } } - if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { - var rightHandSideName = indexArgumentExpression.name.text; - return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + if (source.flags & 245760 || target.flags & 245760) { + return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined); } - return undefined; + return false; } - function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { - if (expressionType === unknownType) { - return false; - } - if (!ts.isWellKnownSymbolSyntactically(expression)) { - return false; + function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { + var errorInfo; + var sourceStack; + var targetStack; + var maybeStack; + var expandingFlags; + var depth = 0; + var overflow = false; + ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); + var result = isRelatedTo(source, target, !!errorNode, headMessage); + if (overflow) { + error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); } - if ((expressionType.flags & 512) === 0) { - if (reportError) { - error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); + else if (errorInfo) { + if (containingMessageChain) { + errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); } - return false; - } - var leftHandSide = expression.expression; - var leftHandSideSymbol = getResolvedSymbol(leftHandSide); - if (!leftHandSideSymbol) { - return false; + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); } - var globalESSymbol = getGlobalESSymbolConstructorSymbol(); - if (!globalESSymbol) { - return false; + return result !== 0; + function reportError(message, arg0, arg1, arg2) { + ts.Debug.assert(!!errorNode); + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); } - if (leftHandSideSymbol !== globalESSymbol) { - if (reportError) { - error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); + function reportRelationError(message, source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if (sourceType === targetType) { + sourceType = typeToString(source, undefined, 128); + targetType = typeToString(target, undefined, 128); } - return false; - } - return true; - } - function resolveUntypedCall(node) { - if (node.kind === 177) { - checkExpression(node.template); + if (!message) { + message = relation === comparableRelation ? + ts.Diagnostics.Type_0_is_not_comparable_to_type_1 : + ts.Diagnostics.Type_0_is_not_assignable_to_type_1; + } + reportError(message, sourceType, targetType); } - else if (node.kind !== 144) { - ts.forEach(node.arguments, function (argument) { - checkExpression(argument); - }); + function tryElaborateErrorsForPrimitivesAndObjects(source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if ((globalStringType === source && stringType === target) || + (globalNumberType === source && numberType === target) || + (globalBooleanType === source && booleanType === target) || + (getGlobalESSymbolType() === source && esSymbolType === target)) { + reportError(ts.Diagnostics._0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible, targetType, sourceType); + } } - return anySignature; - } - function resolveErrorCall(node) { - resolveUntypedCall(node); - return unknownSignature; - } - function reorderCandidates(signatures, result) { - var lastParent; - var lastSymbol; - var cutoffIndex = 0; - var index; - var specializedIndex = -1; - var spliceIndex; - ts.Debug.assert(!result.length); - for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { - var signature = signatures_2[_i]; - var symbol = signature.declaration && getSymbolOfNode(signature.declaration); - var parent_11 = signature.declaration && signature.declaration.parent; - if (!lastSymbol || symbol === lastSymbol) { - if (lastParent && parent_11 === lastParent) { - index++; + function isRelatedTo(source, target, reportErrors, headMessage) { + var result; + if (source.flags & 96 && source.flags & 262144) { + source = source.regularType; + } + if (target.flags & 96 && target.flags & 262144) { + target = target.regularType; + } + if (source === target) + return -1; + if (relation === identityRelation) { + return isIdenticalTo(source, target); + } + if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) + return -1; + if (getObjectFlags(source) & 64 && source.flags & 262144) { + if (hasExcessProperties(source, target, reportErrors)) { + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0; + } + if (target.flags & 196608) { + source = getRegularTypeOfObjectLiteral(source); + } + } + var saveErrorInfo = errorInfo; + if (source.flags & 65536) { + if (relation === comparableRelation) { + result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); } else { - lastParent = parent_11; - index = cutoffIndex; + result = eachTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); + } + if (result) { + return result; } } - else { - index = cutoffIndex = result.length; - lastParent = parent_11; + else if (target.flags & 65536) { + if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190) && !(target.flags & 8190))) { + return result; + } } - lastSymbol = symbol; - if (signature.hasLiteralTypes) { - specializedIndex++; - spliceIndex = specializedIndex; - cutoffIndex++; + else if (target.flags & 131072) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; + } + } + else if (source.flags & 131072) { + if (result = someTypeRelatedToType(source, target, false)) { + return result; + } + } + if (source.flags & 16384) { + var constraint = getConstraintOfTypeParameter(source); + if (!constraint || constraint.flags & 1) { + constraint = emptyObjectType; + } + constraint = getTypeWithThisArgument(constraint, source); + var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; + if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { + errorInfo = saveErrorInfo; + return result; + } } else { - spliceIndex = index; + if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { + return result; + } + } + var apparentSource = getApparentType(source); + if (apparentSource.flags & (32768 | 131072) && target.flags & 32768) { + var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190); + if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } } - result.splice(spliceIndex, 0, signature); - } - } - function getSpreadArgumentIndex(args) { - for (var i = 0; i < args.length; i++) { - var arg = args[i]; - if (arg && arg.kind === 192) { - return i; + if (reportErrors) { + if (source.flags & 32768 && target.flags & 8190) { + tryElaborateErrorsForPrimitivesAndObjects(source, target); + } + else if (source.symbol && source.flags & 32768 && globalObjectType === source) { + reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); + } + reportRelationError(headMessage, source, target); } + return 0; } - return -1; - } - function hasCorrectArity(node, args, signature, signatureHelpTrailingComma) { - if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } - var argCount; - var typeArguments; - var callIsIncomplete; - var isDecorator; - var spreadArgIndex = -1; - if (node.kind === 177) { - var tagExpression = node; - argCount = args.length; - typeArguments = undefined; - if (tagExpression.template.kind === 190) { - var templateExpression = tagExpression.template; - var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); - ts.Debug.assert(lastSpan !== undefined); - callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + function isIdenticalTo(source, target) { + var result; + if (source.flags & 32768 && target.flags & 32768) { + if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, false)) { + return result; + } + } + return objectTypeRelatedTo(source, source, target, false); } - else { - var templateLiteral = tagExpression.template; - ts.Debug.assert(templateLiteral.kind === 12); - callIsIncomplete = !!templateLiteral.isUnterminated; + if (source.flags & 65536 && target.flags & 65536 || + source.flags & 131072 && target.flags & 131072) { + if (result = eachTypeRelatedToSomeType(source, target)) { + if (result &= eachTypeRelatedToSomeType(target, source)) { + return result; + } + } } + return 0; } - else if (node.kind === 144) { - isDecorator = true; - typeArguments = undefined; - argCount = getEffectiveArgumentCount(node, undefined, signature); - } - else { - var callExpression = node; - if (!callExpression.arguments) { - ts.Debug.assert(callExpression.kind === 176); - return signature.minArgumentCount === 0; + function isKnownProperty(type, name) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) || + resolved.stringIndexInfo || + (resolved.numberIndexInfo && isNumericLiteralName(name)) || + getPropertyOfType(type, name)) { + return true; + } + } + else if (type.flags & 196608) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isKnownProperty(t, name)) { + return true; + } + } } - argCount = signatureHelpTrailingComma ? args.length + 1 : args.length; - callIsIncomplete = callExpression.arguments.end === callExpression.end; - typeArguments = callExpression.typeArguments; - spreadArgIndex = getSpreadArgumentIndex(args); - } - var hasRightNumberOfTypeArgs = !typeArguments || - (signature.typeParameters && typeArguments.length === signature.typeParameters.length); - if (!hasRightNumberOfTypeArgs) { return false; } - if (spreadArgIndex >= 0) { - return isRestParameterIndex(signature, spreadArgIndex); + function isEmptyObjectType(t) { + return t.properties.length === 0 && + t.callSignatures.length === 0 && + t.constructSignatures.length === 0 && + !t.stringIndexInfo && + !t.numberIndexInfo; } - if (!signature.hasRestParameter && argCount > signature.parameters.length) { + function hasExcessProperties(source, target, reportErrors) { + if (maybeTypeOfKind(target, 32768) && !(getObjectFlags(target) & 256)) { + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (!isKnownProperty(target, prop.name)) { + if (reportErrors) { + ts.Debug.assert(!!errorNode); + errorNode = prop.valueDeclaration; + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + } + return true; + } + } + } return false; } - var hasEnoughArguments = argCount >= signature.minArgumentCount; - return callIsIncomplete || hasEnoughArguments; - } - function getSingleCallSignature(type) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && - resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { - return resolved.callSignatures[0]; + function eachTypeRelatedToSomeType(source, target) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { + var sourceType = sourceTypes_1[_i]; + var related = typeRelatedToSomeType(sourceType, target, false); + if (!related) { + return 0; + } + result &= related; } + return result; } - return undefined; - } - function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { - var context = createInferenceContext(signature, true); - forEachMatchingParameterType(contextualSignature, signature, function (source, target) { - inferTypes(context, instantiateType(source, contextualMapper), target); - }); - return getSignatureInstantiation(signature, getInferredTypes(context)); - } - function inferTypeArguments(node, signature, args, excludeArgument, context) { - var typeParameters = signature.typeParameters; - var inferenceMapper = getInferenceMapper(context); - for (var i = 0; i < typeParameters.length; i++) { - if (!context.inferences[i].isFixed) { - context.inferredTypes[i] = undefined; + function typeRelatedToSomeType(source, target, reportErrors) { + var targetTypes = target.types; + if (target.flags & 65536 && containsType(targetTypes, source)) { + return -1; } + var len = targetTypes.length; + for (var i = 0; i < len; i++) { + var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; } - if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { - context.failedTypeParameterIndex = undefined; + function typeRelatedToEachType(source, target, reportErrors) { + var result = -1; + var targetTypes = target.types; + for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { + var targetType = targetTypes_1[_i]; + var related = isRelatedTo(source, targetType, reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; } - var thisType = getThisTypeOfSignature(signature); - if (thisType) { - var thisArgumentNode = getThisArgumentOfCall(node); - var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; - inferTypes(context, thisArgumentType, thisType); + function someTypeRelatedToType(source, target, reportErrors) { + var sourceTypes = source.types; + if (source.flags & 65536 && containsType(sourceTypes, target)) { + return -1; + } + var len = sourceTypes.length; + for (var i = 0; i < len; i++) { + var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; } - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 194) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i); - if (argType === undefined) { - var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; - argType = checkExpressionWithContextualType(arg, paramType, mapper); + function eachTypeRelatedToType(source, target, reportErrors) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { + var sourceType = sourceTypes_2[_i]; + var related = isRelatedTo(sourceType, target, reportErrors); + if (!related) { + return 0; } - inferTypes(context, argType, paramType); + result &= related; } + return result; } - if (excludeArgument) { - for (var i = 0; i < argCount; i++) { - if (excludeArgument[i] === false) { - var arg = args[i]; - var paramType = getTypeAtPosition(signature, i); - inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + function typeArgumentsRelatedTo(source, target, reportErrors) { + var sources = source.typeArguments || emptyArray; + var targets = target.typeArguments || emptyArray; + if (sources.length !== targets.length && relation === identityRelation) { + return 0; + } + var length = sources.length <= targets.length ? sources.length : targets.length; + var result = -1; + for (var i = 0; i < length; i++) { + var related = isRelatedTo(sources[i], targets[i], reportErrors); + if (!related) { + return 0; } + result &= related; } + return result; } - getInferredTypes(context); - } - function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { - var typeParameters = signature.typeParameters; - var typeArgumentsAreAssignable = true; - var mapper; - for (var i = 0; i < typeParameters.length; i++) { - if (typeArgumentsAreAssignable) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - var errorInfo = void 0; - var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; - if (reportErrors && headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); - typeArgumentHeadMessage = headMessage; + function objectTypeRelatedTo(source, originalSource, target, reportErrors) { + if (overflow) { + return 0; + } + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + if (reportErrors && related === 2) { + relation[id] = 3; + } + else { + return related === 1 ? -1 : 0; + } + } + if (depth > 0) { + for (var i = 0; i < depth; i++) { + if (maybeStack[i][id]) { + return 1; } - if (!mapper) { - mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + if (depth === 100) { + overflow = true; + return 0; + } + } + else { + sourceStack = []; + targetStack = []; + maybeStack = []; + expandingFlags = 0; + } + sourceStack[depth] = source; + targetStack[depth] = target; + maybeStack[depth] = ts.createMap(); + maybeStack[depth][id] = 1; + depth++; + var saveExpandingFlags = expandingFlags; + if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) + expandingFlags |= 1; + if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) + expandingFlags |= 2; + var result; + if (expandingFlags === 3) { + result = 1; + } + else { + result = propertiesRelatedTo(source, target, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 0, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 1, reportErrors); + if (result) { + result &= indexTypesRelatedTo(source, originalSource, target, 0, reportErrors); + if (result) { + result &= indexTypesRelatedTo(source, originalSource, target, 1, reportErrors); + } + } } - var typeArgument = typeArgumentTypes[i]; - typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); } } - } - return typeArgumentsAreAssignable; - } - function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { - var thisType = getThisTypeOfSignature(signature); - if (thisType && thisType !== voidType && node.kind !== 176) { - var thisArgumentNode = getThisArgumentOfCall(node); - var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; - var errorNode = reportErrors ? (thisArgumentNode || node) : undefined; - var headMessage_1 = ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1; - if (!checkTypeRelatedTo(thisArgumentType, getThisTypeOfSignature(signature), relation, errorNode, headMessage_1)) { - return false; + expandingFlags = saveExpandingFlags; + depth--; + if (result) { + var maybeCache = maybeStack[depth]; + var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; + ts.copyProperties(maybeCache, destinationCache); } + else { + relation[id] = reportErrors ? 3 : 2; + } + return result; } - var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 194) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i); - if (argType === undefined) { - argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); - } - var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; - if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { - return false; + function propertiesRelatedTo(source, target, reportErrors) { + if (relation === identityRelation) { + return propertiesIdenticalTo(source, target); + } + var result = -1; + var properties = getPropertiesOfObjectType(target); + var requireOptionalProperties = relation === subtypeRelation && !(getObjectFlags(source) & 64); + for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { + var targetProp = properties_2[_i]; + var sourceProp = getPropertyOfType(source, targetProp.name); + if (sourceProp !== targetProp) { + if (!sourceProp) { + if (!(targetProp.flags & 536870912) || requireOptionalProperties) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); + } + return 0; + } + } + else if (!(targetProp.flags & 134217728)) { + var sourcePropFlags = getDeclarationModifierFlagsFromSymbol(sourceProp); + var targetPropFlags = getDeclarationModifierFlagsFromSymbol(targetProp); + if (sourcePropFlags & 8 || targetPropFlags & 8) { + if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { + if (reportErrors) { + if (sourcePropFlags & 8 && targetPropFlags & 8) { + reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); + } + else { + reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 8 ? source : target), typeToString(sourcePropFlags & 8 ? target : source)); + } + } + return 0; + } + } + else if (targetPropFlags & 16) { + var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; + var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; + var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); + if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); + } + return 0; + } + } + else if (sourcePropFlags & 16) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); + } + return 0; + } + result &= related; + if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + } } } + return result; } - return true; - } - function getThisArgumentOfCall(node) { - if (node.kind === 175) { - var callee = node.expression; - if (callee.kind === 173) { - return callee.expression; + function propertiesIdenticalTo(source, target) { + if (!(source.flags & 32768 && target.flags & 32768)) { + return 0; } - else if (callee.kind === 174) { - return callee.expression; + var sourceProperties = getPropertiesOfObjectType(source); + var targetProperties = getPropertiesOfObjectType(target); + if (sourceProperties.length !== targetProperties.length) { + return 0; } - } - } - function getEffectiveCallArguments(node) { - var args; - if (node.kind === 177) { - var template = node.template; - args = [undefined]; - if (template.kind === 190) { - ts.forEach(template.templateSpans, function (span) { - args.push(span.expression); - }); + var result = -1; + for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { + var sourceProp = sourceProperties_1[_i]; + var targetProp = getPropertyOfObjectType(target, sourceProp.name); + if (!targetProp) { + return 0; + } + var related = compareProperties(sourceProp, targetProp, isRelatedTo); + if (!related) { + return 0; + } + result &= related; } + return result; } - else if (node.kind === 144) { - return undefined; - } - else { - args = node.arguments || emptyArray; - } - return args; - } - function getEffectiveArgumentCount(node, args, signature) { - if (node.kind === 144) { - switch (node.parent.kind) { - case 222: - case 193: - return 1; - case 146: - return 2; - case 148: - case 150: - case 151: - if (languageVersion === 0) { - return 2; + function signaturesRelatedTo(source, target, kind, reportErrors) { + if (relation === identityRelation) { + return signaturesIdenticalTo(source, target, kind); + } + if (target === anyFunctionType || source === anyFunctionType) { + return -1; + } + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (kind === 1 && sourceSignatures.length && targetSignatures.length) { + if (isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); } - return signature.parameters.length >= 3 ? 3 : 2; - case 143: - return 3; + return 0; + } + if (!constructorVisibilitiesAreCompatible(sourceSignatures[0], targetSignatures[0], reportErrors)) { + return 0; + } } - } - else { - return args.length; - } - } - function getEffectiveDecoratorFirstArgumentType(node) { - if (node.kind === 222) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - if (node.kind === 143) { - node = node.parent; - if (node.kind === 149) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); + var result = -1; + var saveErrorInfo = errorInfo; + outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { + var t = targetSignatures_1[_i]; + var shouldElaborateErrors = reportErrors; + for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { + var s = sourceSignatures_1[_a]; + var related = signatureRelatedTo(s, t, shouldElaborateErrors); + if (related) { + result &= related; + errorInfo = saveErrorInfo; + continue outer; + } + shouldElaborateErrors = false; + } + if (shouldElaborateErrors) { + reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); + } + return 0; } + return result; } - if (node.kind === 146 || - node.kind === 148 || - node.kind === 150 || - node.kind === 151) { - return getParentTypeOfClassElement(node); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorSecondArgumentType(node) { - if (node.kind === 222) { - ts.Debug.fail("Class decorators should not have a second synthetic argument."); - return unknownType; + function signatureRelatedTo(source, target, reportErrors) { + return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); } - if (node.kind === 143) { - node = node.parent; - if (node.kind === 149) { - return anyType; + function signaturesIdenticalTo(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (sourceSignatures.length !== targetSignatures.length) { + return 0; + } + var result = -1; + for (var i = 0, len = sourceSignatures.length; i < len; i++) { + var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, false, isRelatedTo); + if (!related) { + return 0; + } + result &= related; } + return result; } - if (node.kind === 146 || - node.kind === 148 || - node.kind === 150 || - node.kind === 151) { - var element = node; - switch (element.name.kind) { - case 70: - case 8: - case 9: - return getLiteralTypeForText(32, element.name.text); - case 141: - var nameType = checkComputedPropertyName(element.name); - if (isTypeOfKind(nameType, 512)) { - return nameType; - } - else { - return stringType; + function eachPropertyRelatedTo(source, target, kind, reportErrors) { + var result = -1; + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (kind === 0 || isNumericLiteralName(prop.name)) { + var related = isRelatedTo(getTypeOfSymbol(prop), target, reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_incompatible_with_index_signature, symbolToString(prop)); + } + return 0; } - default: - ts.Debug.fail("Unsupported property name."); - return unknownType; + result &= related; + } } + return result; } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorThirdArgumentType(node) { - if (node.kind === 222) { - ts.Debug.fail("Class decorators should not have a third synthetic argument."); - return unknownType; + function indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors) { + var related = isRelatedTo(sourceInfo.type, targetInfo.type, reportErrors); + if (!related && reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return related; } - if (node.kind === 143) { - return numberType; + function indexTypesRelatedTo(source, originalSource, target, kind, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(source, target, kind); + } + var targetInfo = getIndexInfoOfType(target, kind); + if (!targetInfo || ((targetInfo.type.flags & 1) && !(originalSource.flags & 8190))) { + return -1; + } + var sourceInfo = getIndexInfoOfType(source, kind) || + kind === 1 && getIndexInfoOfType(source, 0); + if (sourceInfo) { + return indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors); + } + if (isObjectLiteralType(source)) { + var related = -1; + if (kind === 0) { + var sourceNumberInfo = getIndexInfoOfType(source, 1); + if (sourceNumberInfo) { + related = indexInfoRelatedTo(sourceNumberInfo, targetInfo, reportErrors); + } + } + if (related) { + related &= eachPropertyRelatedTo(source, targetInfo.type, kind, reportErrors); + } + return related; + } + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0; } - if (node.kind === 146) { - ts.Debug.fail("Property decorators should not have a third synthetic argument."); - return unknownType; + function indexTypesIdenticalTo(source, target, indexKind) { + var targetInfo = getIndexInfoOfType(target, indexKind); + var sourceInfo = getIndexInfoOfType(source, indexKind); + if (!sourceInfo && !targetInfo) { + return -1; + } + if (sourceInfo && targetInfo && sourceInfo.isReadonly === targetInfo.isReadonly) { + return isRelatedTo(sourceInfo.type, targetInfo.type); + } + return 0; } - if (node.kind === 148 || - node.kind === 150 || - node.kind === 151) { - var propertyType = getTypeOfNode(node); - return createTypedPropertyDescriptorType(propertyType); + function constructorVisibilitiesAreCompatible(sourceSignature, targetSignature, reportErrors) { + if (!sourceSignature.declaration || !targetSignature.declaration) { + return true; + } + var sourceAccessibility = ts.getModifierFlags(sourceSignature.declaration) & 24; + var targetAccessibility = ts.getModifierFlags(targetSignature.declaration) & 24; + if (targetAccessibility === 8) { + return true; + } + if (targetAccessibility === 16 && sourceAccessibility !== 8) { + return true; + } + if (targetAccessibility !== 16 && !sourceAccessibility) { + return true; + } + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_a_0_constructor_type_to_a_1_constructor_type, visibilityToString(sourceAccessibility), visibilityToString(targetAccessibility)); + } + return false; } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; } - function getEffectiveDecoratorArgumentType(node, argIndex) { - if (argIndex === 0) { - return getEffectiveDecoratorFirstArgumentType(node.parent); - } - else if (argIndex === 1) { - return getEffectiveDecoratorSecondArgumentType(node.parent); - } - else if (argIndex === 2) { - return getEffectiveDecoratorThirdArgumentType(node.parent); + function isAbstractConstructorType(type) { + if (getObjectFlags(type) & 16) { + var symbol = type.symbol; + if (symbol && symbol.flags & 32) { + var declaration = getClassLikeDeclarationOfSymbol(symbol); + if (declaration && ts.getModifierFlags(declaration) & 128) { + return true; + } + } } - ts.Debug.fail("Decorators should not have a fourth synthetic argument."); - return unknownType; + return false; } - function getEffectiveArgumentType(node, argIndex) { - if (node.kind === 144) { - return getEffectiveDecoratorArgumentType(node, argIndex); - } - else if (argIndex === 0 && node.kind === 177) { - return getGlobalTemplateStringsArrayType(); + function isDeeplyNestedGeneric(type, stack, depth) { + if (getObjectFlags(type) & (4 | 32) && depth >= 5) { + var symbol = type.symbol; + var count = 0; + for (var i = 0; i < depth; i++) { + var t = stack[i]; + if (getObjectFlags(t) & (4 | 32) && t.symbol === symbol) { + count++; + if (count >= 5) + return true; + } + } } - return undefined; + return false; } - function getEffectiveArgument(node, args, argIndex) { - if (node.kind === 144 || - (argIndex === 0 && node.kind === 177)) { - return undefined; - } - return args[argIndex]; + function isPropertyIdenticalTo(sourceProp, targetProp) { + return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; } - function getEffectiveArgumentErrorNode(node, argIndex, arg) { - if (node.kind === 144) { - return node.expression; - } - else if (argIndex === 0 && node.kind === 177) { - return node.template; + function compareProperties(sourceProp, targetProp, compareTypes) { + if (sourceProp === targetProp) { + return -1; } - else { - return arg; + var sourcePropAccessibility = getDeclarationModifierFlagsFromSymbol(sourceProp) & 24; + var targetPropAccessibility = getDeclarationModifierFlagsFromSymbol(targetProp) & 24; + if (sourcePropAccessibility !== targetPropAccessibility) { + return 0; } - } - function resolveCall(node, signatures, candidatesOutArray, headMessage) { - var isTaggedTemplate = node.kind === 177; - var isDecorator = node.kind === 144; - var typeArguments; - if (!isTaggedTemplate && !isDecorator) { - typeArguments = node.typeArguments; - if (node.expression.kind !== 96) { - ts.forEach(typeArguments, checkSourceElement); + if (sourcePropAccessibility) { + if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { + return 0; } } - var candidates = candidatesOutArray || []; - reorderCandidates(signatures, candidates); - if (!candidates.length) { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - return resolveErrorCall(node); - } - var args = getEffectiveCallArguments(node); - var excludeArgument; - if (!isDecorator) { - for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { - if (isContextSensitive(args[i])) { - if (!excludeArgument) { - excludeArgument = new Array(args.length); - } - excludeArgument[i] = true; - } + else { + if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { + return 0; } } - var candidateForArgumentError; - var candidateForTypeArgumentError; - var resultOfFailedInference; - var result; - var signatureHelpTrailingComma = candidatesOutArray && node.kind === 175 && node.arguments.hasTrailingComma; - if (candidates.length > 1) { - result = chooseOverload(candidates, subtypeRelation, signatureHelpTrailingComma); + if (isReadonlySymbol(sourceProp) !== isReadonlySymbol(targetProp)) { + return 0; } - if (!result) { - candidateForArgumentError = undefined; - candidateForTypeArgumentError = undefined; - resultOfFailedInference = undefined; - result = chooseOverload(candidates, assignableRelation, signatureHelpTrailingComma); + return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + function isMatchingSignature(source, target, partialMatch) { + if (source.parameters.length === target.parameters.length && + source.minArgumentCount === target.minArgumentCount && + source.hasRestParameter === target.hasRestParameter) { + return true; } - if (result) { - return result; + var sourceRestCount = source.hasRestParameter ? 1 : 0; + var targetRestCount = target.hasRestParameter ? 1 : 0; + if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (sourceRestCount > targetRestCount || + sourceRestCount === targetRestCount && source.parameters.length >= target.parameters.length)) { + return true; } - if (candidateForArgumentError) { - checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); + return false; + } + function compareSignaturesIdentical(source, target, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypes) { + if (source === target) { + return -1; } - else if (candidateForTypeArgumentError) { - if (!isTaggedTemplate && !isDecorator && typeArguments) { - var typeArguments_2 = node.typeArguments; - checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNodeNoAlias), true, headMessage); - } - else { - ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); - var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; - var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); - var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); - if (headMessage) { - diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); - } - reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); - } + if (!(isMatchingSignature(source, target, partialMatch))) { + return 0; } - else { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { + return 0; } - if (!produceDiagnostics) { - for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { - var candidate = candidates_1[_i]; - if (hasCorrectArity(node, args, candidate)) { - if (candidate.typeParameters && typeArguments) { - candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNodeNoAlias)); + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + if (!ignoreThisTypes) { + var sourceThisType = getThisTypeOfSignature(source); + if (sourceThisType) { + var targetThisType = getThisTypeOfSignature(target); + if (targetThisType) { + var related = compareTypes(sourceThisType, targetThisType); + if (!related) { + return 0; } - return candidate; + result &= related; } } } - return resolveErrorCall(node); - function reportError(message, arg0, arg1, arg2) { - var errorInfo; - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - if (headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + var targetLen = target.parameters.length; + for (var i = 0; i < targetLen; i++) { + var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfParameter(source.parameters[i]); + var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfParameter(target.parameters[i]); + var related = compareTypes(s, t); + if (!related) { + return 0; } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + result &= related; } - function chooseOverload(candidates, relation, signatureHelpTrailingComma) { - if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } - for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { - var originalCandidate = candidates_2[_i]; - if (!hasCorrectArity(node, args, originalCandidate, signatureHelpTrailingComma)) { - continue; - } - var candidate = void 0; - var typeArgumentsAreValid = void 0; - var inferenceContext = originalCandidate.typeParameters - ? createInferenceContext(originalCandidate, false) - : undefined; - while (true) { - candidate = originalCandidate; - if (candidate.typeParameters) { - var typeArgumentTypes = void 0; - if (typeArguments) { - typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNodeNoAlias); - typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); - } - else { - inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); - typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; - typeArgumentTypes = inferenceContext.inferredTypes; - } - if (!typeArgumentsAreValid) { - break; - } - candidate = getSignatureInstantiation(candidate, typeArgumentTypes); - } - if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { - break; - } - var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; - if (index < 0) { - return candidate; - } - excludeArgument[index] = false; - } - if (originalCandidate.typeParameters) { - var instantiatedCandidate = candidate; - if (typeArgumentsAreValid) { - candidateForArgumentError = instantiatedCandidate; - } - else { - candidateForTypeArgumentError = originalCandidate; - if (!typeArguments) { - resultOfFailedInference = inferenceContext; - } - } - } - else { - ts.Debug.assert(originalCandidate === candidate); - candidateForArgumentError = originalCandidate; - } - } - return undefined; + if (!ignoreReturnTypes) { + result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); } + return result; } - function resolveCallExpression(node, candidatesOutArray) { - if (node.expression.kind === 96) { - var superType = checkSuperExpression(node.expression); - if (superType !== unknownType) { - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); - if (baseTypeNode) { - var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); - return resolveCall(node, baseConstructors, candidatesOutArray); - } + function isRestParameterIndex(signature, parameterIndex) { + return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; + } + function isSupertypeOfEach(candidate, types) { + for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { + var t = types_7[_i]; + if (candidate !== t && !isTypeSubtypeOf(t, candidate)) + return false; + } + return true; + } + function literalTypesWithSameBaseType(types) { + var commonBaseType; + for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { + var t = types_8[_i]; + var baseType = getBaseTypeOfLiteralType(t); + if (!commonBaseType) { + commonBaseType = baseType; + } + if (baseType === t || baseType !== commonBaseType) { + return false; } - return resolveUntypedCall(node); } - var funcType = checkNonNullExpression(node.expression); - if (funcType === silentNeverType) { - return silentNeverSignature; + return true; + } + function getSupertypeOrUnion(types) { + return literalTypesWithSameBaseType(types) ? getUnionType(types) : ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); + } + function getCommonSupertype(types) { + if (!strictNullChecks) { + return getSupertypeOrUnion(types); } - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); + var primaryTypes = ts.filter(types, function (t) { return !(t.flags & 6144); }); + if (!primaryTypes.length) { + return getUnionType(types, true); } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { - if (funcType !== unknownType && node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + var supertype = getSupertypeOrUnion(primaryTypes); + return supertype && includeFalsyTypes(supertype, getFalsyFlagsOfTypes(types) & 6144); + } + function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { + var bestSupertype; + var bestSupertypeDownfallType; + var bestSupertypeScore = 0; + for (var i = 0; i < types.length; i++) { + var score = 0; + var downfallType = undefined; + for (var j = 0; j < types.length; j++) { + if (isTypeSubtypeOf(types[j], types[i])) { + score++; + } + else if (!downfallType) { + downfallType = types[j]; + } } - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - if (constructSignatures.length) { - error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); + if (score > bestSupertypeScore) { + bestSupertype = types[i]; + bestSupertypeDownfallType = downfallType; + bestSupertypeScore = score; } - else { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + if (bestSupertypeScore === types.length - 1) { + break; } - return resolveErrorCall(node); } - return resolveCall(node, callSignatures, candidatesOutArray); + checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); + } + function isArrayType(type) { + return getObjectFlags(type) & 4 && type.target === globalArrayType; + } + function isArrayLikeType(type) { + return getObjectFlags(type) & 4 && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || + !(type.flags & 6144) && isTypeAssignableTo(type, anyReadonlyArrayType); + } + function isTupleLikeType(type) { + return !!getPropertyOfType(type, "0"); + } + function isUnitType(type) { + return (type.flags & (480 | 2048 | 4096)) !== 0; + } + function isLiteralType(type) { + return type.flags & 8 ? true : + type.flags & 65536 ? type.flags & 16 ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : + isUnitType(type); + } + function getBaseTypeOfLiteralType(type) { + return type.flags & 32 ? stringType : + type.flags & 64 ? numberType : + type.flags & 128 ? booleanType : + type.flags & 256 ? type.baseType : + type.flags & 65536 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : + type; + } + function getWidenedLiteralType(type) { + return type.flags & 32 && type.flags & 262144 ? stringType : + type.flags & 64 && type.flags & 262144 ? numberType : + type.flags & 128 ? booleanType : + type.flags & 256 ? type.baseType : + type.flags & 65536 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : + type; + } + function isTupleType(type) { + return !!(getObjectFlags(type) & 4 && type.target.objectFlags & 8); } - function isUntypedFunctionCall(funcType, apparentFuncType, numCallSignatures, numConstructSignatures) { - if (isTypeAny(funcType)) { - return true; - } - if (isTypeAny(apparentFuncType) && funcType.flags & 16384) { - return true; + function getFalsyFlagsOfTypes(types) { + var result = 0; + for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { + var t = types_9[_i]; + result |= getFalsyFlags(t); } - if (!numCallSignatures && !numConstructSignatures) { - if (funcType.flags & 524288) { - return false; - } - return isTypeAssignableTo(funcType, globalFunctionType); + return result; + } + function getFalsyFlags(type) { + return type.flags & 65536 ? getFalsyFlagsOfTypes(type.types) : + type.flags & 32 ? type.text === "" ? 32 : 0 : + type.flags & 64 ? type.text === "0" ? 64 : 0 : + type.flags & 128 ? type === falseType ? 128 : 0 : + type.flags & 7406; + } + function includeFalsyTypes(type, flags) { + if ((getFalsyFlags(type) & flags) === flags) { + return type; } - return false; + var types = [type]; + if (flags & 34) + types.push(emptyStringType); + if (flags & 340) + types.push(zeroType); + if (flags & 136) + types.push(falseType); + if (flags & 1024) + types.push(voidType); + if (flags & 2048) + types.push(undefinedType); + if (flags & 4096) + types.push(nullType); + return getUnionType(types, true); } - function resolveNewExpression(node, candidatesOutArray) { - if (node.arguments && languageVersion < 1) { - var spreadIndex = getSpreadArgumentIndex(node.arguments); - if (spreadIndex >= 0) { - error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); - } + function removeDefinitelyFalsyTypes(type) { + return getFalsyFlags(type) & 7392 ? + filterType(type, function (t) { return !(getFalsyFlags(t) & 7392); }) : + type; + } + function getNonNullableType(type) { + return strictNullChecks ? getTypeWithFacts(type, 524288) : type; + } + function isObjectLiteralType(type) { + return type.symbol && (type.symbol.flags & (4096 | 2048)) !== 0 && + getSignaturesOfType(type, 0).length === 0 && + getSignaturesOfType(type, 1).length === 0; + } + function createTransientSymbol(source, type) { + var symbol = createSymbol(source.flags | 67108864, source.name); + symbol.declarations = source.declarations; + symbol.parent = source.parent; + symbol.type = type; + symbol.target = source; + if (source.valueDeclaration) { + symbol.valueDeclaration = source.valueDeclaration; } - var expressionType = checkNonNullExpression(node.expression); - if (expressionType === silentNeverType) { - return silentNeverSignature; + return symbol; + } + function transformTypeOfMembers(type, f) { + var members = ts.createMap(); + for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) { + var property = _a[_i]; + var original = getTypeOfSymbol(property); + var updated = f(original); + members[property.name] = updated === original ? property : createTransientSymbol(property, updated); } - expressionType = getApparentType(expressionType); - if (expressionType === unknownType) { - return resolveErrorCall(node); + ; + return members; + } + function getRegularTypeOfObjectLiteral(type) { + if (!(getObjectFlags(type) & 64 && type.flags & 262144)) { + return type; } - var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); - if (valueDecl && ts.getModifierFlags(valueDecl) & 128) { - error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); - return resolveErrorCall(node); + var regularType = type.regularType; + if (regularType) { + return regularType; } - if (isTypeAny(expressionType)) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + var resolved = type; + var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); + var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo); + regularNew.flags = resolved.flags & ~262144; + regularNew.objectFlags |= 64; + type.regularType = regularNew; + return regularNew; + } + function getWidenedTypeOfObjectLiteral(type) { + var members = transformTypeOfMembers(type, function (prop) { + var widened = getWidenedType(prop); + return prop === widened ? prop : widened; + }); + var stringIndexInfo = getIndexInfoOfType(type, 0); + var numberIndexInfo = getIndexInfoOfType(type, 1); + return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly)); + } + function getWidenedConstituentType(type) { + return type.flags & 6144 ? type : getWidenedType(type); + } + function getWidenedType(type) { + if (type.flags & 1572864) { + if (type.flags & 6144) { + return anyType; } - return resolveUntypedCall(node); - } - var constructSignatures = getSignaturesOfType(expressionType, 1); - if (constructSignatures.length) { - if (!isConstructorAccessible(node, constructSignatures[0])) { - return resolveErrorCall(node); + if (getObjectFlags(type) & 64) { + return getWidenedTypeOfObjectLiteral(type); } - return resolveCall(node, constructSignatures, candidatesOutArray); - } - var callSignatures = getSignaturesOfType(expressionType, 0); - if (callSignatures.length) { - var signature = resolveCall(node, callSignatures, candidatesOutArray); - if (getReturnTypeOfSignature(signature) !== voidType) { - error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); + if (type.flags & 65536) { + return getUnionType(ts.sameMap(type.types, getWidenedConstituentType)); } - if (getThisTypeOfSignature(signature) === voidType) { - error(node, ts.Diagnostics.A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void); + if (isArrayType(type) || isTupleType(type)) { + return createTypeReference(type.target, ts.sameMap(type.typeArguments, getWidenedType)); } - return signature; } - error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); - return resolveErrorCall(node); + return type; } - function isConstructorAccessible(node, signature) { - if (!signature || !signature.declaration) { - return true; + function reportWideningErrorsInType(type) { + var errorReported = false; + if (type.flags & 65536) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } } - var declaration = signature.declaration; - var modifiers = ts.getModifierFlags(declaration); - if (!(modifiers & 24)) { - return true; + if (isArrayType(type) || isTupleType(type)) { + for (var _b = 0, _c = type.typeArguments; _b < _c.length; _b++) { + var t = _c[_b]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } } - var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(declaration.parent.symbol); - var declaringClass = getDeclaredTypeOfSymbol(declaration.parent.symbol); - if (!isNodeWithinClass(node, declaringClassDeclaration)) { - var containingClass = ts.getContainingClass(node); - if (containingClass) { - var containingType = getTypeOfNode(containingClass); - var baseTypes = getBaseTypes(containingType); - if (baseTypes.length) { - var baseType = baseTypes[0]; - if (modifiers & 16 && - baseType.symbol === declaration.parent.symbol) { - return true; + if (getObjectFlags(type) & 64) { + for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (t.flags & 524288) { + if (!reportWideningErrorsInType(t)) { + error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); } + errorReported = true; } } - if (modifiers & 8) { - error(node, ts.Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); - } - if (modifiers & 16) { - error(node, ts.Diagnostics.Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); - } - return false; - } - return true; - } - function resolveTaggedTemplateExpression(node, candidatesOutArray) { - var tagType = checkExpression(node.tag); - var apparentType = getApparentType(tagType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isUntypedFunctionCall(tagType, apparentType, callSignatures.length, constructSignatures.length)) { - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); - return resolveErrorCall(node); } - return resolveCall(node, callSignatures, candidatesOutArray); + return errorReported; } - function getDiagnosticHeadMessageForDecoratorResolution(node) { - switch (node.parent.kind) { - case 222: - case 193: - return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; - case 143: - return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + function reportImplicitAnyError(declaration, type) { + var typeAsString = typeToString(getWidenedType(type)); + var diagnostic; + switch (declaration.kind) { case 146: - return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 145: + diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; + break; + case 143: + diagnostic = declaration.dotDotDotToken ? + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; + break; + case 170: + diagnostic = ts.Diagnostics.Binding_element_0_implicitly_has_an_1_type; + break; + case 221: case 148: + case 147: case 150: case 151: - return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; + case 180: + case 181: + if (!declaration.name) { + error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + return; + } + diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; + break; + default: + diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; } + error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); } - function resolveDecorator(node, candidatesOutArray) { - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); + function reportErrorsFromWidening(declaration, type) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 524288) { + if (!reportWideningErrorsInType(type)) { + reportImplicitAnyError(declaration, type); + } } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { - return resolveUntypedCall(node); + } + function forEachMatchingParameterType(source, target, callback) { + var sourceMax = source.parameters.length; + var targetMax = target.parameters.length; + var count; + if (source.hasRestParameter && target.hasRestParameter) { + count = Math.max(sourceMax, targetMax); } - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - if (!callSignatures.length) { - var errorInfo = void 0; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - return resolveErrorCall(node); + else if (source.hasRestParameter) { + count = targetMax; } - return resolveCall(node, callSignatures, candidatesOutArray, headMessage); - } - function resolveSignature(node, candidatesOutArray) { - switch (node.kind) { - case 175: - return resolveCallExpression(node, candidatesOutArray); - case 176: - return resolveNewExpression(node, candidatesOutArray); - case 177: - return resolveTaggedTemplateExpression(node, candidatesOutArray); - case 144: - return resolveDecorator(node, candidatesOutArray); + else if (target.hasRestParameter) { + count = sourceMax; } - ts.Debug.fail("Branch in 'resolveSignature' should be unreachable."); - } - function getResolvedSignature(node, candidatesOutArray) { - var links = getNodeLinks(node); - var cached = links.resolvedSignature; - if (cached && cached !== resolvingSignature && !candidatesOutArray) { - return cached; + else { + count = Math.min(sourceMax, targetMax); + } + for (var i = 0; i < count; i++) { + callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i)); } - links.resolvedSignature = resolvingSignature; - var result = resolveSignature(node, candidatesOutArray); - links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached; - return result; } - function getResolvedOrAnySignature(node) { - return getNodeLinks(node).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(node); + function createInferenceContext(signature, inferUnionTypes) { + var inferences = ts.map(signature.typeParameters, createTypeInferencesObject); + return { + signature: signature, + inferUnionTypes: inferUnionTypes, + inferences: inferences, + inferredTypes: new Array(signature.typeParameters.length), + }; } - function getInferredClassType(symbol) { - var links = getSymbolLinks(symbol); - if (!links.inferredClassType) { - links.inferredClassType = createAnonymousType(symbol, symbol.members, emptyArray, emptyArray, undefined, undefined); + function createTypeInferencesObject() { + return { + primary: undefined, + secondary: undefined, + topLevel: true, + isFixed: false, + }; + } + function couldContainTypeParameters(type) { + return !!(type.flags & 16384 || + getObjectFlags(type) & 4 && ts.forEach(type.typeArguments, couldContainTypeParameters) || + getObjectFlags(type) & 16 && type.symbol && type.symbol.flags & (8192 | 2048 | 32) || + type.flags & 196608 && couldUnionOrIntersectionContainTypeParameters(type)); + } + function couldUnionOrIntersectionContainTypeParameters(type) { + if (type.couldContainTypeParameters === undefined) { + type.couldContainTypeParameters = ts.forEach(type.types, couldContainTypeParameters); } - return links.inferredClassType; + return type.couldContainTypeParameters; } - function checkCallExpression(node) { - checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); - var signature = getResolvedSignature(node); - if (node.expression.kind === 96) { - return voidType; + function isTypeParameterAtTopLevel(type, typeParameter) { + return type === typeParameter || type.flags & 196608 && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); + } + function inferTypes(context, originalSource, originalTarget) { + var typeParameters = context.signature.typeParameters; + var sourceStack; + var targetStack; + var depth = 0; + var inferiority = 0; + var visited = ts.createMap(); + inferFromTypes(originalSource, originalTarget); + function isInProcess(source, target) { + for (var i = 0; i < depth; i++) { + if (source === sourceStack[i] && target === targetStack[i]) { + return true; + } + } + return false; } - if (node.kind === 176) { - var declaration = signature.declaration; - if (declaration && - declaration.kind !== 149 && - declaration.kind !== 153 && - declaration.kind !== 158 && - !ts.isJSDocConstructSignature(declaration)) { - var funcSymbol = node.expression.kind === 70 ? - getResolvedSymbol(node.expression) : - checkExpression(node.expression).symbol; - if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { - return getInferredClassType(funcSymbol); + function inferFromTypes(source, target) { + if (!couldContainTypeParameters(target)) { + return; + } + if (source.flags & 65536 && target.flags & 65536 && !(source.flags & 16 && target.flags & 16) || + source.flags & 131072 && target.flags & 131072) { + if (source === target) { + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + inferFromTypes(t, t); + } + return; + } + var matchingTypes = void 0; + for (var _b = 0, _c = source.types; _b < _c.length; _b++) { + var t = _c[_b]; + if (typeIdenticalToSomeType(t, target.types)) { + (matchingTypes || (matchingTypes = [])).push(t); + inferFromTypes(t, t); + } + else if (t.flags & (64 | 32)) { + var b = getBaseTypeOfLiteralType(t); + if (typeIdenticalToSomeType(b, target.types)) { + (matchingTypes || (matchingTypes = [])).push(t, b); + } + } + } + if (matchingTypes) { + source = removeTypesFromUnionOrIntersection(source, matchingTypes); + target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + } + if (target.flags & 16384) { + if (source.flags & 2097152) { + return; + } + for (var i = 0; i < typeParameters.length; i++) { + if (target === typeParameters[i]) { + var inferences = context.inferences[i]; + if (!inferences.isFixed) { + var candidates = inferiority ? + inferences.secondary || (inferences.secondary = []) : + inferences.primary || (inferences.primary = []); + if (!ts.contains(candidates, source)) { + candidates.push(source); + } + if (!isTypeParameterAtTopLevel(originalTarget, target)) { + inferences.topLevel = false; + } + } + return; + } + } + } + else if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { + var sourceTypes = source.typeArguments || emptyArray; + var targetTypes = target.typeArguments || emptyArray; + var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; + for (var i = 0; i < count; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (target.flags & 196608) { + var targetTypes = target.types; + var typeParameterCount = 0; + var typeParameter = void 0; + for (var _d = 0, targetTypes_2 = targetTypes; _d < targetTypes_2.length; _d++) { + var t = targetTypes_2[_d]; + if (t.flags & 16384 && ts.contains(typeParameters, t)) { + typeParameter = t; + typeParameterCount++; + } + else { + inferFromTypes(source, t); + } + } + if (typeParameterCount === 1) { + inferiority++; + inferFromTypes(source, typeParameter); + inferiority--; + } + } + else if (source.flags & 196608) { + var sourceTypes = source.types; + for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) { + var sourceType = sourceTypes_3[_e]; + inferFromTypes(sourceType, target); + } + } + else { + source = getApparentType(source); + if (source.flags & 32768) { + if (isInProcess(source, target)) { + return; + } + if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { + return; + } + var key = source.id + "," + target.id; + if (visited[key]) { + return; + } + visited[key] = true; + if (depth === 0) { + sourceStack = []; + targetStack = []; + } + sourceStack[depth] = source; + targetStack[depth] = target; + depth++; + inferFromProperties(source, target); + inferFromSignatures(source, target, 0); + inferFromSignatures(source, target, 1); + inferFromIndexTypes(source, target); + depth--; + } + } + } + function inferFromProperties(source, target) { + var properties = getPropertiesOfObjectType(target); + for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { + var targetProp = properties_3[_i]; + var sourceProp = getPropertyOfObjectType(source, targetProp.name); + if (sourceProp) { + inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + } + } + function inferFromSignatures(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + var sourceLen = sourceSignatures.length; + var targetLen = targetSignatures.length; + var len = sourceLen < targetLen ? sourceLen : targetLen; + for (var i = 0; i < len; i++) { + inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + } + } + function inferFromParameterTypes(source, target) { + return inferFromTypes(source, target); + } + function inferFromSignature(source, target) { + forEachMatchingParameterType(source, target, inferFromParameterTypes); + if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { + inferFromTypes(source.typePredicate.type, target.typePredicate.type); + } + else { + inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + } + function inferFromIndexTypes(source, target) { + var targetStringIndexType = getIndexTypeOfType(target, 0); + if (targetStringIndexType) { + var sourceIndexType = getIndexTypeOfType(source, 0) || + getImplicitIndexTypeOfType(source, 0); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetStringIndexType); } - else if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + var targetNumberIndexType = getIndexTypeOfType(target, 1); + if (targetNumberIndexType) { + var sourceIndexType = getIndexTypeOfType(source, 1) || + getIndexTypeOfType(source, 0) || + getImplicitIndexTypeOfType(source, 1); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetNumberIndexType); } - return anyType; } } - if (ts.isInJavaScriptFile(node) && - ts.isRequireCall(node, true) && - !resolveName(node.expression, node.expression.text, 107455, undefined, undefined)) { - return resolveExternalModuleTypeByLiteral(node.arguments[0]); - } - return getReturnTypeOfSignature(signature); - } - function checkTaggedTemplateExpression(node) { - return getReturnTypeOfSignature(getResolvedSignature(node)); } - function checkAssertion(node) { - var exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(checkExpression(node.expression))); - checkSourceElement(node.type); - var targetType = getTypeFromTypeNode(node.type); - if (produceDiagnostics && targetType !== unknownType) { - var widenedType = getWidenedType(exprType); - if (!isTypeComparableTo(targetType, widenedType)) { - checkTypeComparableTo(exprType, targetType, node, ts.Diagnostics.Type_0_cannot_be_converted_to_type_1); + function typeIdenticalToSomeType(type, types) { + for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { + var t = types_10[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; } } - return targetType; - } - function checkNonNullAssertion(node) { - return getNonNullableType(checkExpression(node.expression)); + return false; } - function getTypeOfParameter(symbol) { - var type = getTypeOfSymbol(symbol); - if (strictNullChecks) { - var declaration = symbol.valueDeclaration; - if (declaration && declaration.initializer) { - return includeFalsyTypes(type, 2048); + function removeTypesFromUnionOrIntersection(type, typesToRemove) { + var reducedTypes = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!typeIdenticalToSomeType(t, typesToRemove)) { + reducedTypes.push(t); } } - return type; + return type.flags & 65536 ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); } - function getTypeAtPosition(signature, pos) { - return signature.hasRestParameter ? - pos < signature.parameters.length - 1 ? getTypeOfParameter(signature.parameters[pos]) : getRestTypeOfSignature(signature) : - pos < signature.parameters.length ? getTypeOfParameter(signature.parameters[pos]) : anyType; + function getInferenceCandidates(context, index) { + var inferences = context.inferences[index]; + return inferences.primary || inferences.secondary || emptyArray; } - function assignContextualParameterTypes(signature, context, mapper) { - var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); - if (isInferentialContext(mapper)) { - for (var i = 0; i < len; i++) { - var declaration = signature.parameters[i].valueDeclaration; - if (declaration.type) { - inferTypes(mapper.context, getTypeFromTypeNode(declaration.type), getTypeAtPosition(context, i)); - } + function hasPrimitiveConstraint(type) { + var constraint = getConstraintOfTypeParameter(type); + return constraint && maybeTypeOfKind(constraint, 8190); + } + function getInferredType(context, index) { + var inferredType = context.inferredTypes[index]; + var inferenceSucceeded; + if (!inferredType) { + var inferences = getInferenceCandidates(context, index); + if (inferences.length) { + var signature = context.signature; + var widenLiteralTypes = context.inferences[index].topLevel && + !hasPrimitiveConstraint(signature.typeParameters[index]) && + (context.inferences[index].isFixed || !isTypeParameterAtTopLevel(getReturnTypeOfSignature(signature), signature.typeParameters[index])); + var baseInferences = widenLiteralTypes ? ts.sameMap(inferences, getWidenedLiteralType) : inferences; + var unionOrSuperType = context.inferUnionTypes ? getUnionType(baseInferences, true) : getCommonSupertype(baseInferences); + inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; + inferenceSucceeded = !!unionOrSuperType; } - } - if (context.thisParameter) { - var parameter = signature.thisParameter; - if (!parameter || parameter.valueDeclaration && !parameter.valueDeclaration.type) { - if (!parameter) { - signature.thisParameter = createTransientSymbol(context.thisParameter, undefined); + else { + inferredType = emptyObjectType; + inferenceSucceeded = true; + } + context.inferredTypes[index] = inferredType; + if (inferenceSucceeded) { + var constraint = getConstraintOfTypeParameter(context.signature.typeParameters[index]); + if (constraint) { + var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); + if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { + context.inferredTypes[index] = inferredType = instantiatedConstraint; + } } - assignTypeToParameterAndFixTypeParameters(signature.thisParameter, getTypeOfSymbol(context.thisParameter), mapper); } - } - for (var i = 0; i < len; i++) { - var parameter = signature.parameters[i]; - if (!parameter.valueDeclaration.type) { - var contextualParameterType = getTypeAtPosition(context, i); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { + context.failedTypeParameterIndex = index; } } - if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { - var parameter = ts.lastOrUndefined(signature.parameters); - if (!parameter.valueDeclaration.type) { - var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } + return inferredType; + } + function getInferredTypes(context) { + for (var i = 0; i < context.inferredTypes.length; i++) { + getInferredType(context, i); + } + return context.inferredTypes; + } + function getResolvedSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + links.resolvedSymbol = !ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node) || unknownSymbol; } + return links.resolvedSymbol; } - function assignBindingElementTypes(node) { - if (ts.isBindingPattern(node.name)) { - for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - if (element.name.kind === 70) { - getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); - } - assignBindingElementTypes(element); - } + function isInTypeQuery(node) { + while (node) { + switch (node.kind) { + case 159: + return true; + case 70: + case 140: + node = node.parent; + continue; + default: + return false; } } + ts.Debug.fail("should not get here"); } - function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { - var links = getSymbolLinks(parameter); - if (!links.type) { - links.type = instantiateType(contextualType, mapper); - if (links.type === emptyObjectType && - (parameter.valueDeclaration.name.kind === 168 || - parameter.valueDeclaration.name.kind === 169)) { - links.type = getTypeFromBindingPattern(parameter.valueDeclaration.name); - } - assignBindingElementTypes(parameter.valueDeclaration); + function getFlowCacheKey(node) { + if (node.kind === 70) { + var symbol = getResolvedSymbol(node); + return symbol !== unknownSymbol ? "" + getSymbolId(symbol) : undefined; } - else if (isInferentialContext(mapper)) { - inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + if (node.kind === 98) { + return "0"; + } + if (node.kind === 173) { + var key = getFlowCacheKey(node.expression); + return key && key + "." + node.name.text; } + return undefined; } - function getReturnTypeFromJSDocComment(func) { - var returnTag = ts.getJSDocReturnTag(func); - if (returnTag && returnTag.typeExpression) { - return getTypeFromTypeNode(returnTag.typeExpression.type); + function getLeftmostIdentifierOrThis(node) { + switch (node.kind) { + case 70: + case 98: + return node; + case 173: + return getLeftmostIdentifierOrThis(node.expression); } return undefined; } - function createPromiseType(promisedType) { - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType !== emptyGenericType) { - promisedType = getAwaitedType(promisedType); - return createTypeReference(globalPromiseType, [promisedType]); + function isMatchingReference(source, target) { + switch (source.kind) { + case 70: + return target.kind === 70 && getResolvedSymbol(source) === getResolvedSymbol(target) || + (target.kind === 219 || target.kind === 170) && + getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(source)) === getSymbolOfNode(target); + case 98: + return target.kind === 98; + case 173: + return target.kind === 173 && + source.name.text === target.name.text && + isMatchingReference(source.expression, target.expression); } - return emptyObjectType; + return false; } - function createPromiseReturnType(func, promisedType) { - var promiseType = createPromiseType(promisedType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; + function containsMatchingReference(source, target) { + while (source.kind === 173) { + source = source.expression; + if (isMatchingReference(source, target)) { + return true; + } } - return promiseType; + return false; } - function getReturnTypeFromBody(func, contextualMapper) { - var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); - if (!func.body) { - return unknownType; + function containsMatchingReferenceDiscriminant(source, target) { + return target.kind === 173 && + containsMatchingReference(source, target.expression) && + isDiscriminantProperty(getDeclaredTypeOfReference(target.expression), target.name.text); + } + function getDeclaredTypeOfReference(expr) { + if (expr.kind === 70) { + return getTypeOfSymbol(getResolvedSymbol(expr)); } - var isAsync = ts.isAsyncFunctionLike(func); - var type; - if (func.body.kind !== 200) { - type = checkExpressionCached(func.body, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } + if (expr.kind === 173) { + var type = getDeclaredTypeOfReference(expr.expression); + return type && getTypeOfPropertyOfType(type, expr.name.text); } - else { - var types = void 0; - var funcIsGenerator = !!func.asteriskToken; - if (funcIsGenerator) { - types = checkAndAggregateYieldOperandTypes(func, contextualMapper); - if (types.length === 0) { - var iterableIteratorAny = createIterableIteratorType(anyType); - if (compilerOptions.noImplicitAny) { - error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); - } - return iterableIteratorAny; - } - } - else { - types = checkAndAggregateReturnExpressionTypes(func, contextualMapper); - if (!types) { - return isAsync ? createPromiseReturnType(func, neverType) : neverType; - } - if (types.length === 0) { - return isAsync ? createPromiseReturnType(func, voidType) : voidType; + return undefined; + } + function isDiscriminantProperty(type, name) { + if (type && type.flags & 65536) { + var prop = getUnionOrIntersectionProperty(type, name); + if (prop && prop.flags & 268435456) { + if (prop.isDiscriminantProperty === undefined) { + prop.isDiscriminantProperty = prop.hasNonUniformType && isLiteralType(getTypeOfSymbol(prop)); } + return prop.isDiscriminantProperty; } - type = getUnionType(types, true); - if (funcIsGenerator) { - type = createIterableIteratorType(type); - } - } - if (!contextualSignature) { - reportErrorsFromWidening(func, type); } - if (isUnitType(type) && - !(contextualSignature && - isLiteralContextualType(contextualSignature === getSignatureFromDeclaration(func) ? type : getReturnTypeOfSignature(contextualSignature)))) { - type = getWidenedLiteralType(type); - } - var widenedType = getWidenedType(type); - return isAsync ? createPromiseReturnType(func, widenedType) : widenedType; + return false; } - function checkAndAggregateYieldOperandTypes(func, contextualMapper) { - var aggregatedTypes = []; - ts.forEachYieldExpression(func.body, function (yieldExpression) { - var expr = yieldExpression.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (yieldExpression.asteriskToken) { - type = checkElementTypeOfIterable(type, yieldExpression.expression); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); + function isOrContainsMatchingReference(source, target) { + return isMatchingReference(source, target) || containsMatchingReference(source, target); + } + function hasMatchingArgument(callExpression, reference) { + if (callExpression.arguments) { + for (var _i = 0, _a = callExpression.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (isOrContainsMatchingReference(reference, argument)) { + return true; } } - }); - return aggregatedTypes; - } - function isExhaustiveSwitchStatement(node) { - if (!node.possiblyExhaustive) { - return false; } - var type = checkExpression(node.expression); - if (!isLiteralType(type)) { - return false; + if (callExpression.expression.kind === 173 && + isOrContainsMatchingReference(reference, callExpression.expression.expression)) { + return true; } - var switchTypes = getSwitchClauseTypes(node); - if (!switchTypes.length) { - return false; + return false; + } + function getFlowNodeId(flow) { + if (!flow.id) { + flow.id = nextFlowId; + nextFlowId++; } - return eachTypeContainedIn(type, switchTypes); + return flow.id; } - function functionHasImplicitReturn(func) { - if (!(func.flags & 128)) { - return false; + function typeMaybeAssignableTo(source, target) { + if (!(source.flags & 65536)) { + return isTypeAssignableTo(source, target); } - var lastStatement = ts.lastOrUndefined(func.body.statements); - if (lastStatement && lastStatement.kind === 214 && isExhaustiveSwitchStatement(lastStatement)) { - return false; + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isTypeAssignableTo(t, target)) { + return true; + } } - return true; + return false; } - function checkAndAggregateReturnExpressionTypes(func, contextualMapper) { - var isAsync = ts.isAsyncFunctionLike(func); - var aggregatedTypes = []; - var hasReturnWithNoExpression = functionHasImplicitReturn(func); - var hasReturnOfTypeNever = false; - ts.forEachReturnStatement(func.body, function (returnStatement) { - var expr = returnStatement.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - if (type.flags & 8192) { - hasReturnOfTypeNever = true; - } - else if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - else { - hasReturnWithNoExpression = true; + function getAssignmentReducedType(declaredType, assignedType) { + if (declaredType !== assignedType) { + if (assignedType.flags & 8192) { + return assignedType; } - }); - if (aggregatedTypes.length === 0 && !hasReturnWithNoExpression && (hasReturnOfTypeNever || - func.kind === 180 || func.kind === 181)) { - return undefined; - } - if (strictNullChecks && aggregatedTypes.length && hasReturnWithNoExpression) { - if (!ts.contains(aggregatedTypes, undefinedType)) { - aggregatedTypes.push(undefinedType); + var reducedType = filterType(declaredType, function (t) { return typeMaybeAssignableTo(assignedType, t); }); + if (!(reducedType.flags & 8192)) { + return reducedType; } } - return aggregatedTypes; + return declaredType; } - function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { - if (!produceDiagnostics) { - return; - } - if (returnType && maybeTypeOfKind(returnType, 1 | 1024)) { - return; - } - if (ts.nodeIsMissing(func.body) || func.body.kind !== 200 || !functionHasImplicitReturn(func)) { - return; - } - var hasExplicitReturn = func.flags & 256; - if (returnType && returnType.flags & 8192) { - error(func.type, ts.Diagnostics.A_function_returning_never_cannot_have_a_reachable_end_point); - } - else if (returnType && !hasExplicitReturn) { - error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); - } - else if (returnType && strictNullChecks && !isTypeAssignableTo(undefinedType, returnType)) { - error(func.type, ts.Diagnostics.Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined); - } - else if (compilerOptions.noImplicitReturns) { - if (!returnType) { - if (!hasExplicitReturn) { - return; - } - var inferredReturnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func)); - if (isUnwrappedReturnTypeVoidOrAny(func, inferredReturnType)) { - return; - } - } - error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); + function getTypeFactsOfTypes(types) { + var result = 0; + for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { + var t = types_11[_i]; + result |= getTypeFacts(t); } + return result; } - function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); - if (!hasGrammarError && node.kind === 180) { - checkGrammarForGenerator(node); + function isFunctionObjectType(type) { + var resolved = resolveStructuredTypeMembers(type); + return !!(resolved.callSignatures.length || resolved.constructSignatures.length || + resolved.members["bind"] && isTypeSubtypeOf(type, globalFunctionType)); + } + function getTypeFacts(type) { + var flags = type.flags; + if (flags & 2) { + return strictNullChecks ? 4079361 : 4194049; } - if (contextualMapper === identityMapper && isContextSensitive(node)) { - checkNodeDeferred(node); - return anyFunctionType; + if (flags & 32) { + return strictNullChecks ? + type.text === "" ? 3030785 : 1982209 : + type.text === "" ? 3145473 : 4194049; } - var links = getNodeLinks(node); - var type = getTypeOfSymbol(node.symbol); - var contextSensitive = isContextSensitive(node); - var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); - if (mightFixTypeParameters || !(links.flags & 1024)) { - var contextualSignature = getContextualSignature(node); - var contextChecked = !!(links.flags & 1024); - if (mightFixTypeParameters || !contextChecked) { - links.flags |= 1024; - if (contextualSignature) { - var signature = getSignaturesOfType(type, 0)[0]; - if (contextSensitive) { - assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); - } - if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { - var returnType = getReturnTypeFromBody(node, contextualMapper); - if (!signature.resolvedReturnType) { - signature.resolvedReturnType = returnType; - } - } - } - if (!contextChecked) { - checkSignatureDeclaration(node); - checkNodeDeferred(node); - } - } + if (flags & (4 | 16)) { + return strictNullChecks ? 4079234 : 4193922; } - if (produceDiagnostics && node.kind !== 148) { - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); + if (flags & (64 | 256)) { + var isZero = type.text === "0"; + return strictNullChecks ? + isZero ? 3030658 : 1982082 : + isZero ? 3145346 : 4193922; } - return type; - } - function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - var isAsync = ts.isAsyncFunctionLike(node); - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - if (!node.asteriskToken) { - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + if (flags & 8) { + return strictNullChecks ? 4078980 : 4193668; } - if (node.body) { - if (!node.type) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - if (node.body.kind === 200) { - checkSourceElement(node.body); - } - else { - var exprType = checkExpression(node.body); - if (returnOrPromisedType) { - if (isAsync) { - var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); - checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); - } - else { - checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); - } - } - } - registerForUnusedIdentifiersCheck(node); + if (flags & 136) { + return strictNullChecks ? + type === falseType ? 3030404 : 1981828 : + type === falseType ? 3145092 : 4193668; } - } - function checkArithmeticOperandType(operand, type, diagnostic) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 340)) { - error(operand, diagnostic); - return false; + if (flags & 32768) { + return isFunctionObjectType(type) ? + strictNullChecks ? 6164448 : 8376288 : + strictNullChecks ? 6166480 : 8378320; } - return true; - } - function isReadonlySymbol(symbol) { - return symbol.isReadonly || - symbol.flags & 4 && (getDeclarationModifierFlagsFromSymbol(symbol) & 64) !== 0 || - symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 || - symbol.flags & 98304 && !(symbol.flags & 65536) || - (symbol.flags & 8) !== 0; - } - function isReferenceToReadonlyEntity(expr, symbol) { - if (isReadonlySymbol(symbol)) { - if (symbol.flags & 4 && - (expr.kind === 173 || expr.kind === 174) && - expr.expression.kind === 98) { - var func = ts.getContainingFunction(expr); - if (!(func && func.kind === 149)) - return true; - return !(func.parent === symbol.valueDeclaration.parent || func === symbol.valueDeclaration.parent); - } - return true; + if (flags & (1024 | 2048)) { + return 2457472; } - return false; - } - function isReferenceThroughNamespaceImport(expr) { - if (expr.kind === 173 || expr.kind === 174) { - var node = skipParenthesizedNodes(expr.expression); - if (node.kind === 70) { - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol.flags & 8388608) { - var declaration = getDeclarationOfAliasSymbol(symbol); - return declaration && declaration.kind === 233; - } - } + if (flags & 4096) { + return 2340752; } - return false; - } - function checkReferenceExpression(expr, invalidReferenceMessage, constantVariableMessage) { - var node = skipParenthesizedNodes(expr); - if (node.kind !== 70 && node.kind !== 173 && node.kind !== 174) { - error(expr, invalidReferenceMessage); - return false; + if (flags & 512) { + return strictNullChecks ? 1981320 : 4193160; } - var links = getNodeLinks(node); - var symbol = getExportSymbolOfValueSymbolIfExported(links.resolvedSymbol); - if (symbol) { - if (symbol !== unknownSymbol && symbol !== argumentsSymbol) { - if (node.kind === 70 && !(symbol.flags & 3)) { - error(expr, invalidReferenceMessage); - return false; - } - if (isReferenceToReadonlyEntity(node, symbol) || isReferenceThroughNamespaceImport(node)) { - error(expr, constantVariableMessage); - return false; - } - } + if (flags & 16384) { + var constraint = getConstraintOfTypeParameter(type); + return getTypeFacts(constraint || emptyObjectType); } - else if (node.kind === 174) { - if (links.resolvedIndexInfo && links.resolvedIndexInfo.isReadonly) { - error(expr, constantVariableMessage); - return false; - } + if (flags & 196608) { + return getTypeFactsOfTypes(type.types); } - return true; + return 8388607; } - function checkDeleteExpression(node) { - checkExpression(node.expression); - return booleanType; + function getTypeWithFacts(type, include) { + return filterType(type, function (t) { return (getTypeFacts(t) & include) !== 0; }); } - function checkTypeOfExpression(node) { - checkExpression(node.expression); - return stringType; + function getTypeWithDefault(type, defaultExpression) { + if (defaultExpression) { + var defaultType = checkExpression(defaultExpression); + return getUnionType([getTypeWithFacts(type, 131072), defaultType]); + } + return type; } - function checkVoidExpression(node) { - checkExpression(node.expression); - return undefinedWideningType; + function getTypeOfDestructuredProperty(type, name) { + var text = getTextOfPropertyName(name); + return getTypeOfPropertyOfType(type, text) || + isNumericLiteralName(text) && getIndexTypeOfType(type, 1) || + getIndexTypeOfType(type, 0) || + unknownType; } - function checkAwaitExpression(node) { - if (produceDiagnostics) { - if (!(node.flags & 262144)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); - } + function getTypeOfDestructuredArrayElement(type, index) { + return isTupleLikeType(type) && getTypeOfPropertyOfType(type, "" + index) || + checkIteratedTypeOrElementType(type, undefined, false) || + unknownType; + } + function getTypeOfDestructuredSpreadElement(type) { + return createArrayType(checkIteratedTypeOrElementType(type, undefined, false) || unknownType); + } + function getAssignedTypeOfBinaryExpression(node) { + return node.parent.kind === 171 || node.parent.kind === 253 ? + getTypeWithDefault(getAssignedType(node), node.right) : + checkExpression(node.right); + } + function getAssignedTypeOfArrayLiteralElement(node, element) { + return getTypeOfDestructuredArrayElement(getAssignedType(node), ts.indexOf(node.elements, element)); + } + function getAssignedTypeOfSpreadElement(node) { + return getTypeOfDestructuredSpreadElement(getAssignedType(node.parent)); + } + function getAssignedTypeOfPropertyAssignment(node) { + return getTypeOfDestructuredProperty(getAssignedType(node.parent), node.name); + } + function getAssignedTypeOfShorthandPropertyAssignment(node) { + return getTypeWithDefault(getAssignedTypeOfPropertyAssignment(node), node.objectAssignmentInitializer); + } + function getAssignedType(node) { + var parent = node.parent; + switch (parent.kind) { + case 208: + return stringType; + case 209: + return checkRightHandSideOfForOf(parent.expression) || unknownType; + case 188: + return getAssignedTypeOfBinaryExpression(parent); + case 182: + return undefinedType; + case 171: + return getAssignedTypeOfArrayLiteralElement(parent, node); + case 192: + return getAssignedTypeOfSpreadElement(parent); + case 253: + return getAssignedTypeOfPropertyAssignment(parent); + case 254: + return getAssignedTypeOfShorthandPropertyAssignment(parent); } - var operandType = checkExpression(node.expression); - return checkAwaitedType(operandType, node); + return unknownType; } - function checkPrefixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - if (operandType === silentNeverType) { - return silentNeverType; + function getInitialTypeOfBindingElement(node) { + var pattern = node.parent; + var parentType = getInitialType(pattern.parent); + var type = pattern.kind === 168 ? + getTypeOfDestructuredProperty(parentType, node.propertyName || node.name) : + !node.dotDotDotToken ? + getTypeOfDestructuredArrayElement(parentType, ts.indexOf(pattern.elements, node)) : + getTypeOfDestructuredSpreadElement(parentType); + return getTypeWithDefault(type, node.initializer); + } + function getTypeOfInitializer(node) { + var links = getNodeLinks(node); + return links.resolvedType || checkExpression(node); + } + function getInitialTypeOfVariableDeclaration(node) { + if (node.initializer) { + return getTypeOfInitializer(node.initializer); } - if (node.operator === 37 && node.operand.kind === 8) { - return getFreshTypeOfLiteralType(getLiteralTypeForText(64, "" + -node.operand.text)); + if (node.parent.parent.kind === 208) { + return stringType; } - switch (node.operator) { - case 36: - case 37: - case 51: - if (maybeTypeOfKind(operandType, 512)) { - error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); - } - return numberType; - case 50: - var facts = getTypeFacts(operandType) & (1048576 | 2097152); - return facts === 1048576 ? falseType : - facts === 2097152 ? trueType : - booleanType; - case 42: - case 43: - var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); - } - return numberType; + if (node.parent.parent.kind === 209) { + return checkRightHandSideOfForOf(node.parent.parent.expression) || unknownType; } return unknownType; } - function checkPostfixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - if (operandType === silentNeverType) { - return silentNeverType; - } - var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); - } - return numberType; + function getInitialType(node) { + return node.kind === 219 ? + getInitialTypeOfVariableDeclaration(node) : + getInitialTypeOfBindingElement(node); } - function maybeTypeOfKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 1572864) { - var types = type.types; - for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { - var t = types_15[_i]; - if (maybeTypeOfKind(t, kind)) { - return true; + function getInitialOrAssignedType(node) { + return node.kind === 219 || node.kind === 170 ? + getInitialType(node) : + getAssignedType(node); + } + function isEmptyArrayAssignment(node) { + return node.kind === 219 && node.initializer && + isEmptyArrayLiteral(node.initializer) || + node.kind !== 170 && node.parent.kind === 188 && + isEmptyArrayLiteral(node.parent.right); + } + function getReferenceCandidate(node) { + switch (node.kind) { + case 179: + return getReferenceCandidate(node.expression); + case 188: + switch (node.operatorToken.kind) { + case 57: + return getReferenceCandidate(node.left); + case 25: + return getReferenceCandidate(node.right); } - } } - return false; + return node; } - function isTypeOfKind(type, kind) { - if (type.flags & kind) { - return true; + function getReferenceRoot(node) { + var parent = node.parent; + return parent.kind === 179 || + parent.kind === 188 && parent.operatorToken.kind === 57 && parent.left === node || + parent.kind === 188 && parent.operatorToken.kind === 25 && parent.right === node ? + getReferenceRoot(parent) : node; + } + function getTypeOfSwitchClause(clause) { + if (clause.kind === 249) { + var caseType = getRegularTypeOfLiteralType(checkExpression(clause.expression)); + return isUnitType(caseType) ? caseType : undefined; } - if (type.flags & 524288) { - var types = type.types; - for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { - var t = types_16[_i]; - if (!isTypeOfKind(t, kind)) { + return neverType; + } + function getSwitchClauseTypes(switchStatement) { + var links = getNodeLinks(switchStatement); + if (!links.switchTypes) { + var types = ts.map(switchStatement.caseBlock.clauses, getTypeOfSwitchClause); + links.switchTypes = !ts.contains(types, undefined) ? types : emptyArray; + } + return links.switchTypes; + } + function eachTypeContainedIn(source, types) { + return source.flags & 65536 ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + } + function isTypeSubsetOf(source, target) { + return source === target || target.flags & 65536 && isTypeSubsetOfUnion(source, target); + } + function isTypeSubsetOfUnion(source, target) { + if (source.flags & 65536) { + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!containsType(target.types, t)) { return false; } } return true; } - if (type.flags & 1048576) { + if (source.flags & 256 && target.flags & 16 && source.baseType === target) { + return true; + } + return containsType(target.types, source); + } + function filterType(type, f) { + if (type.flags & 65536) { var types = type.types; - for (var _a = 0, types_17 = types; _a < types_17.length; _a++) { - var t = types_17[_a]; - if (isTypeOfKind(t, kind)) { - return true; - } - } + var filtered = ts.filter(types, f); + return filtered === types ? type : getUnionTypeFromSortedList(filtered); } - return false; + return f(type) ? type : neverType; } - function isConstEnumObjectType(type) { - return type.flags & (2588672 | 2097152) && type.symbol && isConstEnumSymbol(type.symbol); + function mapType(type, f) { + return type.flags & 65536 ? getUnionType(ts.map(type.types, f)) : f(type); } - function isConstEnumSymbol(symbol) { - return (symbol.flags & 128) !== 0; + function extractTypesOfKind(type, kind) { + return filterType(type, function (t) { return (t.flags & kind) !== 0; }); } - function checkInstanceOfExpression(left, right, leftType, rightType) { - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; - } - if (isTypeOfKind(leftType, 8190)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); + function replacePrimitivesWithLiterals(typeWithPrimitives, typeWithLiterals) { + if (isTypeSubsetOf(stringType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 32) || + isTypeSubsetOf(numberType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 64)) { + return mapType(typeWithPrimitives, function (t) { + return t.flags & 2 ? extractTypesOfKind(typeWithLiterals, 2 | 32) : + t.flags & 4 ? extractTypesOfKind(typeWithLiterals, 4 | 64) : + t; + }); } - return booleanType; + return typeWithPrimitives; } - function checkInExpression(left, right, leftType, rightType) { - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 | 340 | 512)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - return booleanType; + function isIncomplete(flowType) { + return flowType.flags === 0; } - function checkObjectLiteralAssignment(node, sourceType) { - var properties = node.properties; - for (var _i = 0, properties_4 = properties; _i < properties_4.length; _i++) { - var p = properties_4[_i]; - checkObjectLiteralDestructuringPropertyAssignment(sourceType, p); - } - return sourceType; + function getTypeFromFlowType(flowType) { + return flowType.flags === 0 ? flowType.type : flowType; } - function checkObjectLiteralDestructuringPropertyAssignment(objectLiteralType, property) { - if (property.kind === 253 || property.kind === 254) { - var name_17 = property.name; - if (name_17.kind === 141) { - checkComputedPropertyName(name_17); - } - if (isComputedNonLiteralName(name_17)) { - return undefined; - } - var text = getTextOfPropertyName(name_17); - var type = isTypeAny(objectLiteralType) - ? objectLiteralType - : getTypeOfPropertyOfType(objectLiteralType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(objectLiteralType, 1) || - getIndexTypeOfType(objectLiteralType, 0); - if (type) { - if (property.kind === 254) { - return checkDestructuringAssignment(property, type); - } - else { - return checkDestructuringAssignment(property.initializer, type); + function createFlowType(type, incomplete) { + return incomplete ? { flags: 0, type: type } : type; + } + function createEvolvingArrayType(elementType) { + var result = createObjectType(128); + result.elementType = elementType; + return result; + } + function getEvolvingArrayType(elementType) { + return evolvingArrayTypes[elementType.id] || (evolvingArrayTypes[elementType.id] = createEvolvingArrayType(elementType)); + } + function addEvolvingArrayElementType(evolvingArrayType, node) { + var elementType = getBaseTypeOfLiteralType(checkExpression(node)); + return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); + } + function createFinalArrayType(elementType) { + return elementType.flags & 8192 ? + autoArrayType : + createArrayType(elementType.flags & 65536 ? + getUnionType(elementType.types, true) : + elementType); + } + function getFinalArrayType(evolvingArrayType) { + return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); + } + function finalizeEvolvingArrayType(type) { + return getObjectFlags(type) & 128 ? getFinalArrayType(type) : type; + } + function getElementTypeOfEvolvingArrayType(type) { + return getObjectFlags(type) & 128 ? type.elementType : neverType; + } + function isEvolvingArrayTypeList(types) { + var hasEvolvingArrayType = false; + for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { + var t = types_12[_i]; + if (!(t.flags & 8192)) { + if (!(getObjectFlags(t) & 128)) { + return false; } + hasEvolvingArrayType = true; } - else { - error(name_17, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(objectLiteralType), ts.declarationNameToString(name_17)); - } - } - else { - error(property, ts.Diagnostics.Property_assignment_expected); } + return hasEvolvingArrayType; } - function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { - var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; - var elements = node.elements; - for (var i = 0; i < elements.length; i++) { - checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, elementType, contextualMapper); - } - return sourceType; + function getUnionOrEvolvingArrayType(types, subtypeReduction) { + return isEvolvingArrayTypeList(types) ? + getEvolvingArrayType(getUnionType(ts.map(types, getElementTypeOfEvolvingArrayType))) : + getUnionType(ts.sameMap(types, finalizeEvolvingArrayType), subtypeReduction); } - function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, contextualMapper) { - var elements = node.elements; - var element = elements[elementIndex]; - if (element.kind !== 194) { - if (element.kind !== 192) { - var propName = "" + elementIndex; - var type = isTypeAny(sourceType) - ? sourceType - : isTupleLikeType(sourceType) - ? getTypeOfPropertyOfType(sourceType, propName) - : elementType; - if (type) { - return checkDestructuringAssignment(element, type, contextualMapper); + function isEvolvingArrayOperationTarget(node) { + var root = getReferenceRoot(node); + var parent = root.parent; + var isLengthPushOrUnshift = parent.kind === 173 && (parent.name.text === "length" || + parent.parent.kind === 175 && ts.isPushOrUnshiftIdentifier(parent.name)); + var isElementAssignment = parent.kind === 174 && + parent.expression === root && + parent.parent.kind === 188 && + parent.parent.operatorToken.kind === 57 && + parent.parent.left === parent && + !ts.isAssignmentTarget(parent.parent) && + isTypeAnyOrAllConstituentTypesHaveKind(checkExpression(parent.argumentExpression), 340 | 2048); + return isLengthPushOrUnshift || isElementAssignment; + } + function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) { + var key; + if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 246783)) { + return declaredType; + } + var initialType = assumeInitialized ? declaredType : + declaredType === autoType || declaredType === autoArrayType ? undefinedType : + includeFalsyTypes(declaredType, 2048); + var visitedFlowStart = visitedFlowCount; + var evolvedType = getTypeFromFlowType(getTypeAtFlowNode(reference.flowNode)); + visitedFlowCount = visitedFlowStart; + var resultType = getObjectFlags(evolvedType) & 128 && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); + if (reference.parent.kind === 197 && getTypeWithFacts(resultType, 524288).flags & 8192) { + return declaredType; + } + return resultType; + function getTypeAtFlowNode(flow) { + while (true) { + if (flow.flags & 1024) { + for (var i = visitedFlowStart; i < visitedFlowCount; i++) { + if (visitedFlowNodes[i] === flow) { + return visitedFlowTypes[i]; + } + } + } + var type = void 0; + if (flow.flags & 16) { + type = getTypeAtFlowAssignment(flow); + if (!type) { + flow = flow.antecedent; + continue; + } + } + else if (flow.flags & 96) { + type = getTypeAtFlowCondition(flow); + } + else if (flow.flags & 128) { + type = getTypeAtSwitchClause(flow); + } + else if (flow.flags & 12) { + if (flow.antecedents.length === 1) { + flow = flow.antecedents[0]; + continue; + } + type = flow.flags & 4 ? + getTypeAtFlowBranchLabel(flow) : + getTypeAtFlowLoopLabel(flow); + } + else if (flow.flags & 256) { + type = getTypeAtFlowArrayMutation(flow); + if (!type) { + flow = flow.antecedent; + continue; + } + } + else if (flow.flags & 2) { + var container = flow.container; + if (container && container !== flowContainer && reference.kind !== 173) { + flow = container.flowNode; + continue; + } + type = initialType; + } + else { + type = convertAutoToAny(declaredType); + } + if (flow.flags & 1024) { + visitedFlowNodes[visitedFlowCount] = flow; + visitedFlowTypes[visitedFlowCount] = type; + visitedFlowCount++; } - else { - checkExpression(element); - if (isTupleType(sourceType)) { - error(element, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), getTypeReferenceArity(sourceType), elements.length); - } - else { - error(element, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); + return type; + } + } + function getTypeAtFlowAssignment(flow) { + var node = flow.node; + if (isMatchingReference(reference, node)) { + if (node.parent.kind === 186 || node.parent.kind === 187) { + var flowType = getTypeAtFlowNode(flow.antecedent); + return createFlowType(getBaseTypeOfLiteralType(getTypeFromFlowType(flowType)), isIncomplete(flowType)); + } + if (declaredType === autoType || declaredType === autoArrayType) { + if (isEmptyArrayAssignment(node)) { + return getEvolvingArrayType(neverType); } + var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(node)); + return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; } - } - else { - if (elementIndex < elements.length - 1) { - error(element, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + if (declaredType.flags & 65536) { + return getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)); } - else { - var restExpression = element.expression; - if (restExpression.kind === 188 && restExpression.operatorToken.kind === 57) { - error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + return declaredType; + } + if (containsMatchingReference(reference, node)) { + return declaredType; + } + return undefined; + } + function getTypeAtFlowArrayMutation(flow) { + var node = flow.node; + var expr = node.kind === 175 ? + node.expression.expression : + node.left.expression; + if (isMatchingReference(reference, getReferenceCandidate(expr))) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + if (getObjectFlags(type) & 128) { + var evolvedType_1 = type; + if (node.kind === 175) { + for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { + var arg = _a[_i]; + evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, arg); + } } else { - return checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + var indexType = checkExpression(node.left.argumentExpression); + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | 2048)) { + evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, node.right); + } } + return evolvedType_1 === type ? flowType : createFlowType(evolvedType_1, isIncomplete(flowType)); } + return flowType; } + return undefined; } - return undefined; - } - function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { - var target; - if (exprOrAssignment.kind === 254) { - var prop = exprOrAssignment; - if (prop.objectAssignmentInitializer) { - if (strictNullChecks && - !(getFalsyFlags(checkExpression(prop.objectAssignmentInitializer)) & 2048)) { - sourceType = getTypeWithFacts(sourceType, 131072); - } - checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + function getTypeAtFlowCondition(flow) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + if (type.flags & 8192) { + return flowType; } - target = exprOrAssignment.name; - } - else { - target = exprOrAssignment; - } - if (target.kind === 188 && target.operatorToken.kind === 57) { - checkBinaryExpression(target, contextualMapper); - target = target.left; - } - if (target.kind === 172) { - return checkObjectLiteralAssignment(target, sourceType); - } - if (target.kind === 171) { - return checkArrayLiteralAssignment(target, sourceType, contextualMapper); + var assumeTrue = (flow.flags & 32) !== 0; + var nonEvolvingType = finalizeEvolvingArrayType(type); + var narrowedType = narrowType(nonEvolvingType, flow.expression, assumeTrue); + if (narrowedType === nonEvolvingType) { + return flowType; + } + var incomplete = isIncomplete(flowType); + var resultType = incomplete && narrowedType.flags & 8192 ? silentNeverType : narrowedType; + return createFlowType(resultType, incomplete); } - return checkReferenceAssignment(target, sourceType, contextualMapper); - } - function checkReferenceAssignment(target, sourceType, contextualMapper) { - var targetType = checkExpression(target, contextualMapper); - if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property)) { - checkTypeAssignableTo(sourceType, targetType, target, undefined); + function getTypeAtSwitchClause(flow) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + var expr = flow.switchStatement.expression; + if (isMatchingReference(reference, expr)) { + type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd); + } + else if (isMatchingReferenceDiscriminant(expr)) { + type = narrowTypeByDiscriminant(type, expr, function (t) { return narrowTypeBySwitchOnDiscriminant(t, flow.switchStatement, flow.clauseStart, flow.clauseEnd); }); + } + return createFlowType(type, isIncomplete(flowType)); } - return sourceType; - } - function isSideEffectFree(node) { - node = ts.skipParentheses(node); - switch (node.kind) { - case 70: - case 9: - case 11: - case 177: - case 190: - case 12: - case 8: - case 100: - case 85: - case 94: - case 136: - case 180: - case 193: - case 181: - case 171: - case 172: - case 183: - case 197: - case 243: - case 242: - return true; - case 189: - return isSideEffectFree(node.whenTrue) && - isSideEffectFree(node.whenFalse); - case 188: - if (ts.isAssignmentOperator(node.operatorToken.kind)) { - return false; + function getTypeAtFlowBranchLabel(flow) { + var antecedentTypes = []; + var subtypeReduction = false; + var seenIncomplete = false; + for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { + var antecedent = _a[_i]; + var flowType = getTypeAtFlowNode(antecedent); + var type = getTypeFromFlowType(flowType); + if (type === declaredType && declaredType === initialType) { + return type; } - return isSideEffectFree(node.left) && - isSideEffectFree(node.right); - case 186: - case 187: - switch (node.operator) { - case 50: - case 36: - case 37: - case 51: - return true; + if (!ts.contains(antecedentTypes, type)) { + antecedentTypes.push(type); } - return false; - case 184: - case 178: - case 196: - default: - return false; - } - } - function isTypeEqualityComparableTo(source, target) { - return (target.flags & 6144) !== 0 || isTypeComparableTo(source, target); - } - function getBestChoiceType(type1, type2) { - var firstAssignableToSecond = isTypeAssignableTo(type1, type2); - var secondAssignableToFirst = isTypeAssignableTo(type2, type1); - return secondAssignableToFirst && !firstAssignableToSecond ? type1 : - firstAssignableToSecond && !secondAssignableToFirst ? type2 : - getUnionType([type1, type2], true); - } - function checkBinaryExpression(node, contextualMapper) { - return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); - } - function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { - var operator = operatorToken.kind; - if (operator === 57 && (left.kind === 172 || left.kind === 171)) { - return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + if (!isTypeSubsetOf(type, declaredType)) { + subtypeReduction = true; + } + if (isIncomplete(flowType)) { + seenIncomplete = true; + } + } + return createFlowType(getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction), seenIncomplete); } - var leftType = checkExpression(left, contextualMapper); - var rightType = checkExpression(right, contextualMapper); - switch (operator) { - case 38: - case 39: - case 60: - case 61: - case 40: - case 62: - case 41: - case 63: - case 37: - case 59: - case 44: - case 64: - case 45: - case 65: - case 46: - case 66: - case 48: - case 68: - case 49: - case 69: - case 47: - case 67: - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; + function getTypeAtFlowLoopLabel(flow) { + var id = getFlowNodeId(flow); + var cache = flowLoopCaches[id] || (flowLoopCaches[id] = ts.createMap()); + if (!key) { + key = getFlowCacheKey(reference); + } + if (cache[key]) { + return cache[key]; + } + for (var i = flowLoopStart; i < flowLoopCount; i++) { + if (flowLoopNodes[i] === flow && flowLoopKeys[i] === key && flowLoopTypes[i].length) { + return createFlowType(getUnionOrEvolvingArrayType(flowLoopTypes[i], false), true); } - if (leftType.flags & 6144) - leftType = rightType; - if (rightType.flags & 6144) - rightType = leftType; - leftType = getNonNullableType(leftType); - rightType = getNonNullableType(rightType); - var suggestedOperator = void 0; - if ((leftType.flags & 136) && - (rightType.flags & 136) && - (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { - error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + var antecedentTypes = []; + var subtypeReduction = false; + var firstAntecedentType; + flowLoopNodes[flowLoopCount] = flow; + flowLoopKeys[flowLoopCount] = key; + flowLoopTypes[flowLoopCount] = antecedentTypes; + for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { + var antecedent = _a[_i]; + flowLoopCount++; + var flowType = getTypeAtFlowNode(antecedent); + flowLoopCount--; + if (!firstAntecedentType) { + firstAntecedentType = flowType; } - else { - var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - if (leftOk && rightOk) { - checkAssignmentOperator(numberType); - } + var type = getTypeFromFlowType(flowType); + if (cache[key]) { + return cache[key]; } - return numberType; - case 36: - case 58: - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; + if (!ts.contains(antecedentTypes, type)) { + antecedentTypes.push(type); } - if (leftType.flags & 6144) - leftType = rightType; - if (rightType.flags & 6144) - rightType = leftType; - leftType = getNonNullableType(leftType); - rightType = getNonNullableType(rightType); - var resultType = void 0; - if (isTypeOfKind(leftType, 340) && isTypeOfKind(rightType, 340)) { - resultType = numberType; + if (!isTypeSubsetOf(type, declaredType)) { + subtypeReduction = true; } - else { - if (isTypeOfKind(leftType, 34) || isTypeOfKind(rightType, 34)) { - resultType = stringType; + if (type === declaredType) { + break; + } + } + var result = getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction); + if (isIncomplete(firstAntecedentType)) { + return createFlowType(result, true); + } + return cache[key] = result; + } + function isMatchingReferenceDiscriminant(expr) { + return expr.kind === 173 && + declaredType.flags & 65536 && + isMatchingReference(reference, expr.expression) && + isDiscriminantProperty(declaredType, expr.name.text); + } + function narrowTypeByDiscriminant(type, propAccess, narrowType) { + var propName = propAccess.name.text; + var propType = getTypeOfPropertyOfType(type, propName); + var narrowedPropType = propType && narrowType(propType); + return propType === narrowedPropType ? type : filterType(type, function (t) { return isTypeComparableTo(getTypeOfPropertyOfType(t, propName), narrowedPropType); }); + } + function narrowTypeByTruthiness(type, expr, assumeTrue) { + if (isMatchingReference(reference, expr)) { + return getTypeWithFacts(type, assumeTrue ? 1048576 : 2097152); + } + if (isMatchingReferenceDiscriminant(expr)) { + return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumeTrue ? 1048576 : 2097152); }); + } + if (containsMatchingReferenceDiscriminant(reference, expr)) { + return declaredType; + } + return type; + } + function narrowTypeByBinaryExpression(type, expr, assumeTrue) { + switch (expr.operatorToken.kind) { + case 57: + return narrowTypeByTruthiness(type, expr.left, assumeTrue); + case 31: + case 32: + case 33: + case 34: + var operator_1 = expr.operatorToken.kind; + var left_1 = getReferenceCandidate(expr.left); + var right_1 = getReferenceCandidate(expr.right); + if (left_1.kind === 183 && right_1.kind === 9) { + return narrowTypeByTypeof(type, left_1, operator_1, right_1, assumeTrue); } - else if (isTypeAny(leftType) || isTypeAny(rightType)) { - resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + if (right_1.kind === 183 && left_1.kind === 9) { + return narrowTypeByTypeof(type, right_1, operator_1, left_1, assumeTrue); } - if (resultType && !checkForDisallowedESSymbolOperand(operator)) { - return resultType; + if (isMatchingReference(reference, left_1)) { + return narrowTypeByEquality(type, operator_1, right_1, assumeTrue); } - } - if (!resultType) { - reportOperatorError(); - return anyType; - } - if (operator === 58) { - checkAssignmentOperator(resultType); - } - return resultType; - case 26: - case 28: - case 29: - case 30: - if (checkForDisallowedESSymbolOperand(operator)) { - if (!isTypeComparableTo(leftType, rightType) && !isTypeComparableTo(rightType, leftType)) { - reportOperatorError(); + if (isMatchingReference(reference, right_1)) { + return narrowTypeByEquality(type, operator_1, left_1, assumeTrue); } + if (isMatchingReferenceDiscriminant(left_1)) { + return narrowTypeByDiscriminant(type, left_1, function (t) { return narrowTypeByEquality(t, operator_1, right_1, assumeTrue); }); + } + if (isMatchingReferenceDiscriminant(right_1)) { + return narrowTypeByDiscriminant(type, right_1, function (t) { return narrowTypeByEquality(t, operator_1, left_1, assumeTrue); }); + } + if (containsMatchingReferenceDiscriminant(reference, left_1) || containsMatchingReferenceDiscriminant(reference, right_1)) { + return declaredType; + } + break; + case 92: + return narrowTypeByInstanceof(type, expr, assumeTrue); + case 25: + return narrowType(type, expr.right, assumeTrue); + } + return type; + } + function narrowTypeByEquality(type, operator, value, assumeTrue) { + if (type.flags & 1) { + return type; + } + if (operator === 32 || operator === 34) { + assumeTrue = !assumeTrue; + } + var valueType = checkExpression(value); + if (valueType.flags & 6144) { + if (!strictNullChecks) { + return type; } - return booleanType; - case 31: - case 32: - case 33: - case 34: - var leftIsLiteral = isLiteralType(leftType); - var rightIsLiteral = isLiteralType(rightType); - if (!leftIsLiteral || !rightIsLiteral) { - leftType = leftIsLiteral ? getBaseTypeOfLiteralType(leftType) : leftType; - rightType = rightIsLiteral ? getBaseTypeOfLiteralType(rightType) : rightType; - } - if (!isTypeEqualityComparableTo(leftType, rightType) && !isTypeEqualityComparableTo(rightType, leftType)) { - reportOperatorError(); + var doubleEquals = operator === 31 || operator === 32; + var facts = doubleEquals ? + assumeTrue ? 65536 : 524288 : + value.kind === 94 ? + assumeTrue ? 32768 : 262144 : + assumeTrue ? 16384 : 131072; + return getTypeWithFacts(type, facts); + } + if (type.flags & 33281) { + return type; + } + if (assumeTrue) { + var narrowedType = filterType(type, function (t) { return areTypesComparable(t, valueType); }); + return narrowedType.flags & 8192 ? type : replacePrimitivesWithLiterals(narrowedType, valueType); + } + if (isUnitType(valueType)) { + var regularType_1 = getRegularTypeOfLiteralType(valueType); + return filterType(type, function (t) { return getRegularTypeOfLiteralType(t) !== regularType_1; }); + } + return type; + } + function narrowTypeByTypeof(type, typeOfExpr, operator, literal, assumeTrue) { + var target = getReferenceCandidate(typeOfExpr.expression); + if (!isMatchingReference(reference, target)) { + if (containsMatchingReference(reference, target)) { + return declaredType; } - return booleanType; - case 92: - return checkInstanceOfExpression(left, right, leftType, rightType); - case 91: - return checkInExpression(left, right, leftType, rightType); - case 52: - return getTypeFacts(leftType) & 1048576 ? - includeFalsyTypes(rightType, getFalsyFlags(strictNullChecks ? leftType : getBaseTypeOfLiteralType(rightType))) : - leftType; - case 53: - return getTypeFacts(leftType) & 2097152 ? - getBestChoiceType(removeDefinitelyFalsyTypes(leftType), rightType) : - leftType; - case 57: - checkAssignmentOperator(rightType); - return getRegularTypeOfObjectLiteral(rightType); - case 25: - if (!compilerOptions.allowUnreachableCode && isSideEffectFree(left)) { - error(left, ts.Diagnostics.Left_side_of_comma_operator_is_unused_and_has_no_side_effects); + return type; + } + if (operator === 32 || operator === 34) { + assumeTrue = !assumeTrue; + } + if (assumeTrue && !(type.flags & 65536)) { + var targetType = typeofTypesByName[literal.text]; + if (targetType && isTypeSubtypeOf(targetType, type)) { + return targetType; } - return rightType; + } + var facts = assumeTrue ? + typeofEQFacts[literal.text] || 64 : + typeofNEFacts[literal.text] || 8192; + return getTypeWithFacts(type, facts); } - function checkForDisallowedESSymbolOperand(operator) { - var offendingSymbolOperand = maybeTypeOfKind(leftType, 512) ? left : - maybeTypeOfKind(rightType, 512) ? right : - undefined; - if (offendingSymbolOperand) { - error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); - return false; + function narrowTypeBySwitchOnDiscriminant(type, switchStatement, clauseStart, clauseEnd) { + var switchTypes = getSwitchClauseTypes(switchStatement); + if (!switchTypes.length) { + return type; } - return true; + var clauseTypes = switchTypes.slice(clauseStart, clauseEnd); + var hasDefaultClause = clauseStart === clauseEnd || ts.contains(clauseTypes, neverType); + var discriminantType = getUnionType(clauseTypes); + var caseType = discriminantType.flags & 8192 ? neverType : + replacePrimitivesWithLiterals(filterType(type, function (t) { return isTypeComparableTo(discriminantType, t); }), discriminantType); + if (!hasDefaultClause) { + return caseType; + } + var defaultType = filterType(type, function (t) { return !(isUnitType(t) && ts.contains(switchTypes, getRegularTypeOfLiteralType(t))); }); + return caseType.flags & 8192 ? defaultType : getUnionType([caseType, defaultType]); } - function getSuggestedBooleanOperator(operator) { - switch (operator) { - case 48: - case 68: - return 53; - case 49: - case 69: - return 34; - case 47: - case 67: - return 52; - default: - return undefined; + function narrowTypeByInstanceof(type, expr, assumeTrue) { + var left = getReferenceCandidate(expr.left); + if (!isMatchingReference(reference, left)) { + if (containsMatchingReference(reference, left)) { + return declaredType; + } + return type; + } + var rightType = checkExpression(expr.right); + if (!isTypeSubtypeOf(rightType, globalFunctionType)) { + return type; } - } - function checkAssignmentOperator(valueType) { - if (produceDiagnostics && operator >= 57 && operator <= 69) { - var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property); - if (ok) { - checkTypeAssignableTo(valueType, leftType, left, undefined); + var targetType; + var prototypeProperty = getPropertyOfType(rightType, "prototype"); + if (prototypeProperty) { + var prototypePropertyType = getTypeOfSymbol(prototypeProperty); + if (!isTypeAny(prototypePropertyType)) { + targetType = prototypePropertyType; } } - } - function reportOperatorError() { - error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); - } - } - function isYieldExpressionInClass(node) { - var current = node; - var parent = node.parent; - while (parent) { - if (ts.isFunctionLike(parent) && current === parent.body) { - return false; + if (isTypeAny(type) && (targetType === globalObjectType || targetType === globalFunctionType)) { + return type; } - else if (ts.isClassLike(current)) { - return true; + if (!targetType) { + var constructSignatures = void 0; + if (getObjectFlags(rightType) & 2) { + constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; + } + else if (getObjectFlags(rightType) & 16) { + constructSignatures = getSignaturesOfType(rightType, 1); + } + if (constructSignatures && constructSignatures.length) { + targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); + } } - current = parent; - parent = parent.parent; + if (targetType) { + return getNarrowedType(type, targetType, assumeTrue); + } + return type; } - return false; - } - function checkYieldExpression(node) { - if (produceDiagnostics) { - if (!(node.flags & 65536) || isYieldExpressionInClass(node)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + function getNarrowedType(type, candidate, assumeTrue) { + if (!assumeTrue) { + return filterType(type, function (t) { return !isTypeInstanceOf(t, candidate); }); } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); + if (type.flags & 65536) { + var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); }); + if (!(assignableType.flags & 8192)) { + return assignableType; + } } + var targetType = type.flags & 16384 ? getApparentType(type) : type; + return isTypeSubtypeOf(candidate, type) ? candidate : + isTypeAssignableTo(type, candidate) ? type : + isTypeAssignableTo(candidate, targetType) ? candidate : + getIntersectionType([type, candidate]); } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func && func.asteriskToken) { - var expressionType = checkExpressionCached(node.expression, undefined); - var expressionElementType = void 0; - var nodeIsYieldStar = !!node.asteriskToken; - if (nodeIsYieldStar) { - expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); - } - if (func.type) { - var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; - if (nodeIsYieldStar) { - checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); + function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { + if (!hasMatchingArgument(callExpression, reference)) { + return type; + } + var signature = getResolvedSignature(callExpression); + var predicate = signature.typePredicate; + if (!predicate) { + return type; + } + if (isTypeAny(type) && (predicate.type === globalObjectType || predicate.type === globalFunctionType)) { + return type; + } + if (ts.isIdentifierTypePredicate(predicate)) { + var predicateArgument = callExpression.arguments[predicate.parameterIndex]; + if (predicateArgument) { + if (isMatchingReference(reference, predicateArgument)) { + return getNarrowedType(type, predicate.type, assumeTrue); } - else { - checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); + if (containsMatchingReference(reference, predicateArgument)) { + return declaredType; } } } - } - return anyType; - } - function checkConditionalExpression(node, contextualMapper) { - checkExpression(node.condition); - var type1 = checkExpression(node.whenTrue, contextualMapper); - var type2 = checkExpression(node.whenFalse, contextualMapper); - return getBestChoiceType(type1, type2); - } - function checkLiteralExpression(node) { - if (node.kind === 8) { - checkGrammarNumericLiteral(node); - } - switch (node.kind) { - case 9: - return getFreshTypeOfLiteralType(getLiteralTypeForText(32, node.text)); - case 8: - return getFreshTypeOfLiteralType(getLiteralTypeForText(64, node.text)); - case 100: - return trueType; - case 85: - return falseType; - } - } - function checkTemplateExpression(node) { - ts.forEach(node.templateSpans, function (templateSpan) { - checkExpression(templateSpan.expression); - }); - return stringType; - } - function checkExpressionWithContextualType(node, contextualType, contextualMapper) { - var saveContextualType = node.contextualType; - node.contextualType = contextualType; - var result = checkExpression(node, contextualMapper); - node.contextualType = saveContextualType; - return result; - } - function checkExpressionCached(node, contextualMapper) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var saveFlowLoopStart = flowLoopStart; - flowLoopStart = flowLoopCount; - links.resolvedType = checkExpression(node, contextualMapper); - flowLoopStart = saveFlowLoopStart; - } - return links.resolvedType; - } - function isTypeAssertion(node) { - node = skipParenthesizedNodes(node); - return node.kind === 178 || node.kind === 196; - } - function checkDeclarationInitializer(declaration) { - var type = checkExpressionCached(declaration.initializer); - return ts.getCombinedNodeFlags(declaration) & 2 || - ts.getCombinedModifierFlags(declaration) & 64 || - isTypeAssertion(declaration.initializer) ? type : getWidenedLiteralType(type); - } - function isLiteralContextualType(contextualType) { - if (contextualType) { - if (contextualType.flags & 16384) { - var apparentType = getApparentTypeOfTypeParameter(contextualType); - if (apparentType.flags & (2 | 4 | 8 | 16)) { - return true; + else { + var invokedExpression = skipParenthesizedNodes(callExpression.expression); + if (invokedExpression.kind === 174 || invokedExpression.kind === 173) { + var accessExpression = invokedExpression; + var possibleReference = skipParenthesizedNodes(accessExpression.expression); + if (isMatchingReference(reference, possibleReference)) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + if (containsMatchingReference(reference, possibleReference)) { + return declaredType; + } } - contextualType = apparentType; } - return maybeTypeOfKind(contextualType, 480); - } - return false; - } - function checkExpressionForMutableLocation(node, contextualMapper) { - var type = checkExpression(node, contextualMapper); - return isTypeAssertion(node) || isLiteralContextualType(getContextualType(node)) ? type : getWidenedLiteralType(type); - } - function checkPropertyAssignment(node, contextualMapper) { - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); - } - return checkExpressionForMutableLocation(node.initializer, contextualMapper); - } - function checkObjectLiteralMethod(node, contextualMapper) { - checkGrammarMethod(node); - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); + return type; } - var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { - if (isInferentialContext(contextualMapper)) { - var signature = getSingleCallSignature(type); - if (signature && signature.typeParameters) { - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType) { - var contextualSignature = getSingleCallSignature(contextualType); - if (contextualSignature && !contextualSignature.typeParameters) { - return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + function narrowType(type, expr, assumeTrue) { + switch (expr.kind) { + case 70: + case 98: + case 173: + return narrowTypeByTruthiness(type, expr, assumeTrue); + case 175: + return narrowTypeByTypePredicate(type, expr, assumeTrue); + case 179: + return narrowType(type, expr.expression, assumeTrue); + case 188: + return narrowTypeByBinaryExpression(type, expr, assumeTrue); + case 186: + if (expr.operator === 50) { + return narrowType(type, expr.operand, !assumeTrue); } - } + break; } + return type; } - return type; } - function checkExpression(node, contextualMapper) { - var type; - if (node.kind === 140) { - type = checkQualifiedName(node); - } - else { - var uninstantiatedType = checkExpressionWorker(node, contextualMapper); - type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - if (isConstEnumObjectType(type)) { - var ok = (node.parent.kind === 173 && node.parent.expression === node) || - (node.parent.kind === 174 && node.parent.expression === node) || - ((node.kind === 70 || node.kind === 140) && isInRightSideOfImportOrExportAssignment(node)); - if (!ok) { - error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); + function getTypeOfSymbolAtLocation(symbol, location) { + if (location.kind === 70) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) { + location = location.parent; + } + if (ts.isPartOfExpression(location) && !ts.isAssignmentTarget(location)) { + var type = checkExpression(location); + if (getExportSymbolOfValueSymbolIfExported(getNodeLinks(location).resolvedSymbol) === symbol) { + return type; + } } } - return type; + return getTypeOfSymbol(symbol); } - function checkExpressionWorker(node, contextualMapper) { - switch (node.kind) { - case 70: - return checkIdentifier(node); - case 98: - return checkThisExpression(node); - case 96: - return checkSuperExpression(node); - case 94: - return nullWideningType; - case 9: - case 8: - case 100: - case 85: - return checkLiteralExpression(node); - case 190: - return checkTemplateExpression(node); - case 12: - return stringType; - case 11: - return globalRegExpType; - case 171: - return checkArrayLiteral(node, contextualMapper); - case 172: - return checkObjectLiteral(node, contextualMapper); - case 173: - return checkPropertyAccessExpression(node); - case 174: - return checkIndexedAccess(node); - case 175: - case 176: - return checkCallExpression(node); - case 177: - return checkTaggedTemplateExpression(node); - case 179: - return checkExpression(node.expression, contextualMapper); - case 193: - return checkClassExpression(node); - case 180: - case 181: - return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - case 183: - return checkTypeOfExpression(node); - case 178: - case 196: - return checkAssertion(node); - case 197: - return checkNonNullAssertion(node); - case 182: - return checkDeleteExpression(node); - case 184: - return checkVoidExpression(node); - case 185: - return checkAwaitExpression(node); - case 186: - return checkPrefixUnaryExpression(node); - case 187: - return checkPostfixUnaryExpression(node); - case 188: - return checkBinaryExpression(node, contextualMapper); - case 189: - return checkConditionalExpression(node, contextualMapper); - case 192: - return checkSpreadElementExpression(node, contextualMapper); - case 194: - return undefinedWideningType; - case 191: - return checkYieldExpression(node); - case 248: - return checkJsxExpression(node); - case 242: - return checkJsxElement(node); - case 243: - return checkJsxSelfClosingElement(node); - case 244: - ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); + function skipParenthesizedNodes(expression) { + while (expression.kind === 179) { + expression = expression.expression; } - return unknownType; + return expression; } - function checkTypeParameter(node) { - if (node.expression) { - grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); - } - checkSourceElement(node.constraint); - getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); + function getControlFlowContainer(node) { + while (true) { + node = node.parent; + if (ts.isFunctionLike(node) && !ts.getImmediatelyInvokedFunctionExpression(node) || + node.kind === 227 || + node.kind === 256 || + node.kind === 146) { + return node; + } } } - function checkParameter(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkVariableLikeDeclaration(node); - var func = ts.getContainingFunction(node); - if (ts.getModifierFlags(node) & 92) { - func = ts.getContainingFunction(node); - if (!(func.kind === 149 && ts.nodeIsPresent(func.body))) { - error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + function isParameterAssigned(symbol) { + var func = ts.getRootDeclaration(symbol.valueDeclaration).parent; + var links = getNodeLinks(func); + if (!(links.flags & 4194304)) { + links.flags |= 4194304; + if (!hasParentWithAssignmentsMarked(func)) { + markParameterAssignments(func); } } - if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { - error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); - } - if (node.name.text === "this") { - if (ts.indexOf(func.parameters, node) !== 0) { - error(node, ts.Diagnostics.A_this_parameter_must_be_the_first_parameter); + return symbol.isAssigned || false; + } + function hasParentWithAssignmentsMarked(node) { + while (true) { + node = node.parent; + if (!node) { + return false; } - if (func.kind === 149 || func.kind === 153 || func.kind === 158) { - error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter); + if (ts.isFunctionLike(node) && getNodeLinks(node).flags & 4194304) { + return true; } } - if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { - error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); - } } - function isSyntacticallyValidGenerator(node) { - if (!node.asteriskToken || !node.body) { - return false; - } - return node.kind === 148 || - node.kind === 221 || - node.kind === 180; - } - function getTypePredicateParameterIndex(parameterList, parameter) { - if (parameterList) { - for (var i = 0; i < parameterList.length; i++) { - var param = parameterList[i]; - if (param.name.kind === 70 && - param.name.text === parameter.text) { - return i; + function markParameterAssignments(node) { + if (node.kind === 70) { + if (ts.isAssignmentTarget(node)) { + var symbol = getResolvedSymbol(node); + if (symbol.valueDeclaration && ts.getRootDeclaration(symbol.valueDeclaration).kind === 143) { + symbol.isAssigned = true; } } } - return -1; - } - function checkTypePredicate(node) { - var parent = getTypePredicateParent(node); - if (!parent) { - error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); - return; - } - var typePredicate = getSignatureFromDeclaration(parent).typePredicate; - if (!typePredicate) { - return; - } - var parameterName = node.parameterName; - if (ts.isThisTypePredicate(typePredicate)) { - getTypeFromThisTypeNode(parameterName); - } else { - if (typePredicate.parameterIndex >= 0) { - if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { - error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); - } - else { - var leadingError = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type); - checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type, undefined, leadingError); - } - } - else if (parameterName) { - var hasReportedError = false; - for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { - var name_18 = _a[_i].name; - if (ts.isBindingPattern(name_18) && - checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_18, parameterName, typePredicate.parameterName)) { - hasReportedError = true; - break; - } - } - if (!hasReportedError) { - error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); - } - } - } - } - function getTypePredicateParent(node) { - switch (node.parent.kind) { - case 181: - case 152: - case 221: - case 180: - case 157: - case 148: - case 147: - var parent_12 = node.parent; - if (node === parent_12.type) { - return parent_12; - } + ts.forEachChild(node, markParameterAssignments); } } - function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { - for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (ts.isOmittedExpression(element)) { - continue; - } - var name_19 = element.name; - if (name_19.kind === 70 && - name_19.text === predicateVariableName) { - error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); - return true; - } - else if (name_19.kind === 169 || - name_19.kind === 168) { - if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_19, predicateVariableNode, predicateVariableName)) { - return true; - } - } - } + function isConstVariable(symbol) { + return symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 && getTypeOfSymbol(symbol) !== autoArrayType; } - function checkSignatureDeclaration(node) { - if (node.kind === 154) { - checkGrammarIndexSignature(node); - } - else if (node.kind === 157 || node.kind === 221 || node.kind === 158 || - node.kind === 152 || node.kind === 149 || - node.kind === 153) { - checkGrammarFunctionLikeDeclaration(node); - } - checkTypeParameters(node.typeParameters); - ts.forEach(node.parameters, checkParameter); - if (node.type) { - checkSourceElement(node.type); - } - if (produceDiagnostics) { - checkCollisionWithArgumentsInGeneratedCode(node); - if (compilerOptions.noImplicitAny && !node.type) { - switch (node.kind) { - case 153: - error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - case 152: - error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - } - } - if (node.type) { - if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { - var returnType = getTypeFromTypeNode(node.type); - if (returnType === voidType) { - error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); - } - else { - var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; - var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); - checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); - } + function checkIdentifier(node) { + var symbol = getResolvedSymbol(node); + if (symbol === argumentsSymbol) { + var container = ts.getContainingFunction(node); + if (languageVersion < 2) { + if (container.kind === 181) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); } - else if (ts.isAsyncFunctionLike(node)) { - checkAsyncFunctionReturnType(node); + else if (ts.hasModifier(container, 256)) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method); } } - if (noUnusedIdentifiers && !node.body) { - checkUnusedTypeParameters(node); + if (node.flags & 262144) { + getNodeLinks(container).flags |= 8192; } } - } - function checkClassForDuplicateDeclarations(node) { - var Accessor; - (function (Accessor) { - Accessor[Accessor["Getter"] = 1] = "Getter"; - Accessor[Accessor["Setter"] = 2] = "Setter"; - Accessor[Accessor["Property"] = 3] = "Property"; - })(Accessor || (Accessor = {})); - var instanceNames = ts.createMap(); - var staticNames = ts.createMap(); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 149) { - for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { - var param = _c[_b]; - if (ts.isParameterPropertyDeclaration(param)) { - addName(instanceNames, param.name, param.name.text, 3); + if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { + markAliasSymbolAsReferenced(symbol); + } + var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); + if (localOrExportSymbol.flags & 32) { + var declaration_1 = localOrExportSymbol.valueDeclaration; + if (languageVersion === 2 + && declaration_1.kind === 222 + && ts.nodeIsDecorated(declaration_1)) { + var container = ts.getContainingClass(node); + while (container !== undefined) { + if (container === declaration_1 && container.name !== node) { + getNodeLinks(declaration_1).flags |= 8388608; + getNodeLinks(node).flags |= 16777216; + break; } + container = ts.getContainingClass(container); } } - else { - var isStatic = ts.forEach(member.modifiers, function (m) { return m.kind === 114; }); - var names = isStatic ? staticNames : instanceNames; - var memberName = member.name && ts.getPropertyNameForPropertyNameNode(member.name); - if (memberName) { - switch (member.kind) { - case 150: - addName(names, member.name, memberName, 1); - break; - case 151: - addName(names, member.name, memberName, 2); - break; - case 146: - addName(names, member.name, memberName, 3); - break; + else if (declaration_1.kind === 193) { + var container = ts.getThisContainer(node, false); + while (container !== undefined) { + if (container.parent === declaration_1) { + if (container.kind === 146 && ts.hasModifier(container, 32)) { + getNodeLinks(declaration_1).flags |= 8388608; + getNodeLinks(node).flags |= 16777216; + } + break; } + container = ts.getThisContainer(container, false); } } } - function addName(names, location, name, meaning) { - var prev = names[name]; - if (prev) { - if (prev & meaning) { - error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location)); - } - else { - names[name] = prev | meaning; + checkCollisionWithCapturedSuperVariable(node, node); + checkCollisionWithCapturedThisVariable(node, node); + checkNestedBlockScopedBinding(node, symbol); + var type = getTypeOfSymbol(localOrExportSymbol); + var declaration = localOrExportSymbol.valueDeclaration; + if (!(localOrExportSymbol.flags & 3) || ts.isAssignmentTarget(node) || !declaration) { + return type; + } + var isParameter = ts.getRootDeclaration(declaration).kind === 143; + var declarationContainer = getControlFlowContainer(declaration); + var flowContainer = getControlFlowContainer(node); + var isOuterVariable = flowContainer !== declarationContainer; + while (flowContainer !== declarationContainer && (flowContainer.kind === 180 || + flowContainer.kind === 181 || ts.isObjectLiteralOrClassExpressionMethod(flowContainer)) && + (isConstVariable(localOrExportSymbol) || isParameter && !isParameterAssigned(localOrExportSymbol))) { + flowContainer = getControlFlowContainer(flowContainer); + } + var assumeInitialized = isParameter || isOuterVariable || + type !== autoType && type !== autoArrayType && (!strictNullChecks || (type.flags & 1) !== 0) || + ts.isInAmbientContext(declaration); + var flowType = getFlowTypeOfReference(node, type, assumeInitialized, flowContainer); + if (type === autoType || type === autoArrayType) { + if (flowType === autoType || flowType === autoArrayType) { + if (compilerOptions.noImplicitAny) { + error(declaration.name, ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined, symbolToString(symbol), typeToString(flowType)); + error(node, ts.Diagnostics.Variable_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType)); } + return convertAutoToAny(flowType); } - else { - names[name] = meaning; - } } + else if (!assumeInitialized && !(getFalsyFlags(type) & 2048) && getFalsyFlags(flowType) & 2048) { + error(node, ts.Diagnostics.Variable_0_is_used_before_being_assigned, symbolToString(symbol)); + return type; + } + return flowType; } - function checkObjectTypeForDuplicateDeclarations(node) { - var names = ts.createMap(); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind == 145) { - var memberName = void 0; - switch (member.name.kind) { - case 9: - case 8: - case 70: - memberName = member.name.text; - break; - default: - continue; - } - if (names[memberName]) { - error(member.symbol.valueDeclaration.name, ts.Diagnostics.Duplicate_identifier_0, memberName); - error(member.name, ts.Diagnostics.Duplicate_identifier_0, memberName); - } - else { - names[memberName] = true; - } + function isInsideFunction(node, threshold) { + var current = node; + while (current && current !== threshold) { + if (ts.isFunctionLike(current)) { + return true; } + current = current.parent; } + return false; } - function checkTypeForDuplicateIndexSignatures(node) { - if (node.kind === 223) { - var nodeSymbol = getSymbolOfNode(node); - if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { - return; + function checkNestedBlockScopedBinding(node, symbol) { + if (languageVersion >= 2 || + (symbol.flags & (2 | 32)) === 0 || + symbol.valueDeclaration.parent.kind === 252) { + return; + } + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + var usedInFunction = isInsideFunction(node.parent, container); + var current = container; + var containedInIterationStatement = false; + while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { + if (ts.isIterationStatement(current, false)) { + containedInIterationStatement = true; + break; } + current = current.parent; } - var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); - if (indexSymbol) { - var seenNumericIndexer = false; - var seenStringIndexer = false; - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var declaration = decl; - if (declaration.parameters.length === 1 && declaration.parameters[0].type) { - switch (declaration.parameters[0].type.kind) { - case 133: - if (!seenStringIndexer) { - seenStringIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_string_index_signature); - } - break; - case 131: - if (!seenNumericIndexer) { - seenNumericIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_number_index_signature); - } - break; - } - } + if (containedInIterationStatement) { + if (usedInFunction) { + getNodeLinks(current).flags |= 65536; + } + if (container.kind === 207 && + ts.getAncestor(symbol.valueDeclaration, 220).parent === container && + isAssignedInBodyOfForStatement(node, container)) { + getNodeLinks(symbol.valueDeclaration).flags |= 2097152; } + getNodeLinks(symbol.valueDeclaration).flags |= 262144; } - } - function checkPropertyDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); - checkVariableLikeDeclaration(node); - } - function checkMethodDeclaration(node) { - checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); - checkFunctionOrMethodDeclaration(node); - if (ts.getModifierFlags(node) & 128 && node.body) { - error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + if (usedInFunction) { + getNodeLinks(symbol.valueDeclaration).flags |= 131072; } } - function checkConstructorDeclaration(node) { - checkSignatureDeclaration(node); - checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); - checkSourceElement(node.body); - registerForUnusedIdentifiersCheck(node); - var symbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(symbol); + function isAssignedInBodyOfForStatement(node, container) { + var current = node; + while (current.parent.kind === 179) { + current = current.parent; } - if (ts.nodeIsMissing(node.body)) { - return; + var isAssigned = false; + if (ts.isAssignmentTarget(current)) { + isAssigned = true; } - if (!produceDiagnostics) { - return; + else if ((current.parent.kind === 186 || current.parent.kind === 187)) { + var expr = current.parent; + isAssigned = expr.operator === 42 || expr.operator === 43; } - function containsSuperCallAsComputedPropertyName(n) { - return n.name && containsSuperCall(n.name); + if (!isAssigned) { + return false; } - function containsSuperCall(n) { - if (ts.isSuperCall(n)) { + while (current !== container) { + if (current === container.statement) { return true; } - else if (ts.isFunctionLike(n)) { - return false; - } - else if (ts.isClassLike(n)) { - return ts.forEach(n.members, containsSuperCallAsComputedPropertyName); + else { + current = current.parent; } - return ts.forEachChild(n, containsSuperCall); } - function markThisReferencesAsErrors(n) { - if (n.kind === 98) { - error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - } - else if (n.kind !== 180 && n.kind !== 221) { - ts.forEachChild(n, markThisReferencesAsErrors); - } + return false; + } + function captureLexicalThis(node, container) { + getNodeLinks(node).flags |= 2; + if (container.kind === 146 || container.kind === 149) { + var classNode = container.parent; + getNodeLinks(classNode).flags |= 4; } - function isInstancePropertyWithInitializer(n) { - return n.kind === 146 && - !(ts.getModifierFlags(n) & 32) && - !!n.initializer; + else { + getNodeLinks(container).flags |= 4; } - var containingClassDecl = node.parent; - if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { - captureLexicalThis(node.parent, containingClassDecl); - var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); - var superCall = getSuperCallInConstructor(node); - if (superCall) { - if (classExtendsNull) { - error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); - } - var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || - ts.forEach(node.parameters, function (p) { return ts.getModifierFlags(p) & 92; }); - if (superCallShouldBeFirst) { - var statements = node.body.statements; - var superCallStatement = void 0; - for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { - var statement = statements_2[_i]; - if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { - superCallStatement = statement; - break; - } - if (!ts.isPrologueDirective(statement)) { - break; - } - } - if (!superCallStatement) { - error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); - } - } - } - else if (!classExtendsNull) { - error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); - } + } + function findFirstSuperCall(n) { + if (ts.isSuperCall(n)) { + return n; + } + else if (ts.isFunctionLike(n)) { + return undefined; } + return ts.forEachChild(n, findFirstSuperCall); } - function checkAccessorDeclaration(node) { - if (produceDiagnostics) { - checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); - checkDecorators(node); - checkSignatureDeclaration(node); - if (node.kind === 150) { - if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 128)) { - if (!(node.flags & 256)) { - error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); - } + function getSuperCallInConstructor(constructor) { + var links = getNodeLinks(constructor); + if (links.hasSuperCall === undefined) { + links.superCall = findFirstSuperCall(constructor.body); + links.hasSuperCall = links.superCall ? true : false; + } + return links.superCall; + } + function classDeclarationExtendsNull(classDecl) { + var classSymbol = getSymbolOfNode(classDecl); + var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); + return baseConstructorType === nullWideningType; + } + function checkThisExpression(node) { + var container = ts.getThisContainer(node, true); + var needToCaptureLexicalThis = false; + if (container.kind === 149) { + var containingClassDecl = container.parent; + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); + if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { + var superCall = getSuperCallInConstructor(container); + if (!superCall || superCall.end > node.pos) { + error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); } } - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var otherKind = node.kind === 150 ? 151 : 150; - var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); - if (otherAccessor) { - if ((ts.getModifierFlags(node) & 28) !== (ts.getModifierFlags(otherAccessor) & 28)) { - error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); - } - if (ts.hasModifier(node, 128) !== ts.hasModifier(otherAccessor, 128)) { - error(node.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract); - } - checkAccessorDeclarationTypesIdentical(node, otherAccessor, getAnnotatedAccessorType, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); - checkAccessorDeclarationTypesIdentical(node, otherAccessor, getThisTypeOfDeclaration, ts.Diagnostics.get_and_set_accessor_must_have_the_same_this_type); + } + if (container.kind === 181) { + container = ts.getThisContainer(container, false); + needToCaptureLexicalThis = (languageVersion < 2); + } + switch (container.kind) { + case 226: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); + break; + case 225: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + break; + case 149: + if (isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + } + break; + case 146: + case 145: + if (ts.getModifierFlags(container) & 32) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + } + break; + case 141: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); + break; + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node, container); + } + if (ts.isFunctionLike(container) && + (!isInParameterInitializerBeforeContainingFunction(node) || ts.getThisParameter(container))) { + if (container.kind === 180 && + ts.isInJavaScriptFile(container.parent) && + ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { + var className = container.parent + .left + .expression + .expression; + var classSymbol = checkExpression(className).symbol; + if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { + return getInferredClassType(classSymbol); } } - var returnType = getTypeOfAccessors(getSymbolOfNode(node)); - if (node.kind === 150) { - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType); + var thisType = getThisTypeOfDeclaration(container) || getContextualThisParameterType(container); + if (thisType) { + return thisType; } } - if (node.parent.kind !== 172) { - checkSourceElement(node.body); - registerForUnusedIdentifiersCheck(node); + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + var type = ts.hasModifier(container, 32) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + return getFlowTypeOfReference(node, type, true, undefined); } - else { - checkNodeDeferred(node); + if (ts.isInJavaScriptFile(node)) { + var type = getTypeForThisExpressionFromJSDoc(container); + if (type && type !== unknownType) { + return type; + } } - } - function checkAccessorDeclarationTypesIdentical(first, second, getAnnotatedType, message) { - var firstType = getAnnotatedType(first); - var secondType = getAnnotatedType(second); - if (firstType && secondType && !isTypeIdenticalTo(firstType, secondType)) { - error(first, message); + if (compilerOptions.noImplicitThis) { + error(node, ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation); } + return anyType; } - function checkAccessorDeferred(node) { - checkSourceElement(node.body); - registerForUnusedIdentifiersCheck(node); - } - function checkMissingDeclaration(node) { - checkDecorators(node); + function getTypeForThisExpressionFromJSDoc(node) { + var typeTag = ts.getJSDocTypeTag(node); + if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 269) { + var jsDocFunctionType = typeTag.typeExpression.type; + if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 272) { + return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + } + } } - function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { - var typeArguments; - var mapper; - var result = true; - for (var i = 0; i < typeParameters.length; i++) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - if (!typeArguments) { - typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); - mapper = createTypeMapper(typeParameters, typeArguments); - } - var typeArgument = typeArguments[i]; - result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + function isInConstructorArgumentInitializer(node, constructorDecl) { + for (var n = node; n && n !== constructorDecl; n = n.parent) { + if (n.kind === 143) { + return true; } } - return result; + return false; } - function checkTypeReferenceNode(node) { - checkGrammarTypeArguments(node, node.typeArguments); - var type = getTypeFromTypeReference(node); - if (type !== unknownType) { - if (node.typeArguments) { - ts.forEach(node.typeArguments, checkSourceElement); - if (produceDiagnostics) { - var symbol = getNodeLinks(node).resolvedSymbol; - var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; - checkTypeArgumentConstraints(typeParameters, node.typeArguments); - } + function checkSuperExpression(node) { + var isCallExpression = node.parent.kind === 175 && node.parent.expression === node; + var container = ts.getSuperContainer(node, true); + var needToCaptureLexicalThis = false; + if (!isCallExpression) { + while (container && container.kind === 181) { + container = ts.getSuperContainer(container, true); + needToCaptureLexicalThis = languageVersion < 2; } - if (type.flags & 16 && !type.memberTypes && getNodeLinks(node).resolvedSymbol.flags & 8) { - error(node, ts.Diagnostics.Enum_type_0_has_members_with_initializers_that_are_not_literals, typeToString(type)); + } + var canUseSuperExpression = isLegalUsageOfSuperExpression(container); + var nodeCheckFlag = 0; + if (!canUseSuperExpression) { + var current = node; + while (current && current !== container && current.kind !== 141) { + current = current.parent; + } + if (current && current.kind === 141) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + else if (isCallExpression) { + error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + } + else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 172)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + } + else { + error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); } + return unknownType; } - } - function checkTypeQuery(node) { - getTypeFromTypeQueryNode(node); - } - function checkTypeLiteral(node) { - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - checkObjectTypeForDuplicateDeclarations(node); + if ((ts.getModifierFlags(container) & 32) || isCallExpression) { + nodeCheckFlag = 512; + } + else { + nodeCheckFlag = 256; } - } - function checkArrayType(node) { - checkSourceElement(node.elementType); - } - function checkTupleType(node) { - var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); - if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { - grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); + getNodeLinks(node).flags |= nodeCheckFlag; + if (container.kind === 148 && ts.getModifierFlags(container) & 256) { + if (ts.isSuperProperty(node.parent) && ts.isAssignmentTarget(node.parent)) { + getNodeLinks(container).flags |= 4096; + } + else { + getNodeLinks(container).flags |= 2048; + } } - ts.forEach(node.elementTypes, checkSourceElement); - } - function checkUnionOrIntersectionType(node) { - ts.forEach(node.types, checkSourceElement); - } - function isPrivateWithinAmbient(node) { - return (ts.getModifierFlags(node) & 8) && ts.isInAmbientContext(node); - } - function getEffectiveDeclarationFlags(n, flagsToCheck) { - var flags = ts.getCombinedModifierFlags(n); - if (n.parent.kind !== 223 && - n.parent.kind !== 222 && - n.parent.kind !== 193 && - ts.isInAmbientContext(n)) { - if (!(flags & 2)) { - flags |= 1; + if (needToCaptureLexicalThis) { + captureLexicalThis(node.parent, container); + } + if (container.parent.kind === 172) { + if (languageVersion < 2) { + error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); + return unknownType; + } + else { + return anyType; } - flags |= 2; } - return flags & flagsToCheck; - } - function checkFunctionOrConstructorSymbol(symbol) { - if (!produceDiagnostics) { - return; + var classLikeDeclaration = container.parent; + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); + var baseClassType = classType && getBaseTypes(classType)[0]; + if (!baseClassType) { + if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); + } + return unknownType; } - function getCanonicalOverload(overloads, implementation) { - var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; - return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + if (container.kind === 149 && isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); + return unknownType; } - function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { - var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; - if (someButNotAllOverloadFlags !== 0) { - var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); - ts.forEach(overloads, function (o) { - var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; - if (deviation & 1) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_non_exported); - } - else if (deviation & 2) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); - } - else if (deviation & (8 | 16)) { - error(o.name || o, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); + return nodeCheckFlag === 512 + ? getBaseConstructorTypeOfClass(classType) + : getTypeWithThisArgument(baseClassType, classType.thisType); + function isLegalUsageOfSuperExpression(container) { + if (!container) { + return false; + } + if (isCallExpression) { + return container.kind === 149; + } + else { + if (ts.isClassLike(container.parent) || container.parent.kind === 172) { + if (ts.getModifierFlags(container) & 32) { + return container.kind === 148 || + container.kind === 147 || + container.kind === 150 || + container.kind === 151; } - else if (deviation & 128) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_non_abstract); + else { + return container.kind === 148 || + container.kind === 147 || + container.kind === 150 || + container.kind === 151 || + container.kind === 146 || + container.kind === 145 || + container.kind === 149; } - }); + } } + return false; } - function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { - if (someHaveQuestionToken !== allHaveQuestionToken) { - var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); - ts.forEach(overloads, function (o) { - var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; - if (deviation) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); - } - }); + } + function getContextualThisParameterType(func) { + if (isContextSensitiveFunctionOrObjectLiteralMethod(func) && func.kind !== 181) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var thisParameter = contextualSignature.thisParameter; + if (thisParameter) { + return getTypeOfSymbol(thisParameter); + } } } - var flagsToCheck = 1 | 2 | 8 | 16 | 128; - var someNodeFlags = 0; - var allNodeFlags = flagsToCheck; - var someHaveQuestionToken = false; - var allHaveQuestionToken = true; - var hasOverloads = false; - var bodyDeclaration; - var lastSeenNonAmbientDeclaration; - var previousDeclaration; - var declarations = symbol.declarations; - var isConstructor = (symbol.flags & 16384) !== 0; - function reportImplementationExpectedError(node) { - if (node.name && ts.nodeIsMissing(node.name)) { - return; - } - var seen = false; - var subsequentNode = ts.forEachChild(node.parent, function (c) { - if (seen) { - return c; - } - else { - seen = c === node; - } - }); - if (subsequentNode && subsequentNode.pos === node.end) { - if (subsequentNode.kind === node.kind) { - var errorNode_1 = subsequentNode.name || subsequentNode; - if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { - var reportError = (node.kind === 148 || node.kind === 147) && - (ts.getModifierFlags(node) & 32) !== (ts.getModifierFlags(subsequentNode) & 32); - if (reportError) { - var diagnostic = ts.getModifierFlags(node) & 32 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; - error(errorNode_1, diagnostic); + return undefined; + } + function getContextuallyTypedParameterType(parameter) { + var func = parameter.parent; + if (isContextSensitiveFunctionOrObjectLiteralMethod(func)) { + var iife = ts.getImmediatelyInvokedFunctionExpression(func); + if (iife) { + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (iife.arguments && indexOfParameter < iife.arguments.length) { + if (parameter.dotDotDotToken) { + var restTypes = []; + for (var i = indexOfParameter; i < iife.arguments.length; i++) { + restTypes.push(getWidenedLiteralType(checkExpression(iife.arguments[i]))); } - return; - } - else if (ts.nodeIsPresent(subsequentNode.body)) { - error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); - return; + return createArrayType(getUnionType(restTypes)); } + var links = getNodeLinks(iife); + var cached = links.resolvedSignature; + links.resolvedSignature = anySignature; + var type = getWidenedLiteralType(checkExpression(iife.arguments[indexOfParameter])); + links.resolvedSignature = cached; + return type; } } - var errorNode = node.name || node; - if (isConstructor) { - error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); - } - else { - if (ts.getModifierFlags(node) & 128) { - error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var funcHasRestParameters = ts.hasRestParameter(func); + var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (indexOfParameter < len) { + return getTypeAtPosition(contextualSignature, indexOfParameter); } - else { - error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + if (funcHasRestParameters && + indexOfParameter === (func.parameters.length - 1) && + isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { + return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); } } } - var duplicateFunctionDeclaration = false; - var multipleConstructorImplementation = false; - for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { - var current = declarations_4[_i]; - var node = current; - var inAmbientContext = ts.isInAmbientContext(node); - var inAmbientContextOrInterface = node.parent.kind === 223 || node.parent.kind === 160 || inAmbientContext; - if (inAmbientContextOrInterface) { - previousDeclaration = undefined; + return undefined; + } + function getContextualTypeForInitializerExpression(node) { + var declaration = node.parent; + if (node === declaration.initializer) { + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); } - if (node.kind === 221 || node.kind === 148 || node.kind === 147 || node.kind === 149) { - var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); - someNodeFlags |= currentNodeFlags; - allNodeFlags &= currentNodeFlags; - someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); - allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); - if (ts.nodeIsPresent(node.body) && bodyDeclaration) { - if (isConstructor) { - multipleConstructorImplementation = true; - } - else { - duplicateFunctionDeclaration = true; - } - } - else if (previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { - reportImplementationExpectedError(previousDeclaration); + if (declaration.kind === 143) { + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; } - if (ts.nodeIsPresent(node.body)) { - if (!bodyDeclaration) { - bodyDeclaration = node; + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, true, false); + } + if (ts.isBindingPattern(declaration.parent)) { + var parentDeclaration = declaration.parent.parent; + var name_18 = declaration.propertyName || declaration.name; + if (ts.isVariableLike(parentDeclaration) && + parentDeclaration.type && + !ts.isBindingPattern(name_18)) { + var text = getTextOfPropertyName(name_18); + if (text) { + return getTypeOfPropertyOfType(getTypeFromTypeNode(parentDeclaration.type), text); } } - else { - hasOverloads = true; - } - previousDeclaration = node; - if (!inAmbientContextOrInterface) { - lastSeenNonAmbientDeclaration = node; - } } } - if (multipleConstructorImplementation) { - ts.forEach(declarations, function (declaration) { - error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); - }); + return undefined; + } + function getContextualTypeForReturnExpression(node) { + var func = ts.getContainingFunction(node); + if (ts.isAsyncFunctionLike(func)) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return getPromisedType(contextualReturnType); + } + return undefined; } - if (duplicateFunctionDeclaration) { - ts.forEach(declarations, function (declaration) { - error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); - }); + if (func && !func.asteriskToken) { + return getContextualReturnType(func); } - if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && - !(ts.getModifierFlags(lastSeenNonAmbientDeclaration) & 128) && !lastSeenNonAmbientDeclaration.questionToken) { - reportImplementationExpectedError(lastSeenNonAmbientDeclaration); + return undefined; + } + function getContextualTypeForYieldOperand(node) { + var func = ts.getContainingFunction(node); + if (func) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return node.asteriskToken + ? contextualReturnType + : getElementTypeOfIterableIterator(contextualReturnType); + } } - if (hasOverloads) { - checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); - checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); - if (bodyDeclaration) { - var signatures = getSignaturesOfSymbol(symbol); - var bodySignature = getSignatureFromDeclaration(bodyDeclaration); - for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { - var signature = signatures_3[_a]; - if (!isImplementationCompatibleWithOverload(bodySignature, signature)) { - error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); - break; - } - } + return undefined; + } + function isInParameterInitializerBeforeContainingFunction(node) { + while (node.parent && !ts.isFunctionLike(node.parent)) { + if (node.parent.kind === 143 && node.parent.initializer === node) { + return true; } + node = node.parent; } + return false; } - function checkExportsOnMergedDeclarations(node) { - if (!produceDiagnostics) { - return; + function getContextualReturnType(functionDecl) { + if (functionDecl.type || + functionDecl.kind === 149 || + functionDecl.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 151))) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); } - var symbol = node.localSymbol; - if (!symbol) { - symbol = getSymbolOfNode(node); - if (!(symbol.flags & 7340032)) { - return; - } + var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); + if (signature) { + return getReturnTypeOfSignature(signature); } - if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { - return; + return undefined; + } + function getContextualTypeForArgument(callTarget, arg) { + var args = getEffectiveCallArguments(callTarget); + var argIndex = ts.indexOf(args, arg); + if (argIndex >= 0) { + var signature = getResolvedOrAnySignature(callTarget); + return getTypeAtPosition(signature, argIndex); } - var exportedDeclarationSpaces = 0; - var nonExportedDeclarationSpaces = 0; - var defaultExportedDeclarationSpaces = 0; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var d = _a[_i]; - var declarationSpaces = getDeclarationSpaces(d); - var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 1 | 512); - if (effectiveDeclarationFlags & 1) { - if (effectiveDeclarationFlags & 512) { - defaultExportedDeclarationSpaces |= declarationSpaces; - } - else { - exportedDeclarationSpaces |= declarationSpaces; - } + return undefined; + } + function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { + if (template.parent.kind === 177) { + return getContextualTypeForArgument(template.parent, substitutionExpression); + } + return undefined; + } + function getContextualTypeForBinaryOperand(node) { + var binaryExpression = node.parent; + var operator = binaryExpression.operatorToken.kind; + if (operator >= 57 && operator <= 69) { + if (ts.getSpecialPropertyAssignmentKind(binaryExpression) !== 0) { + return undefined; } - else { - nonExportedDeclarationSpaces |= declarationSpaces; + if (node === binaryExpression.right) { + return checkExpression(binaryExpression.left); } } - var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; - var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; - var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; - if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { - for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { - var d = _c[_b]; - var declarationSpaces = getDeclarationSpaces(d); - if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { - error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); - } - else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { - error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); - } + else if (operator === 53) { + var type = getContextualType(binaryExpression); + if (!type && node === binaryExpression.right) { + type = checkExpression(binaryExpression.left); } + return type; } - function getDeclarationSpaces(d) { - switch (d.kind) { - case 223: - return 2097152; - case 226: - return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 - ? 4194304 | 1048576 - : 4194304; - case 222: - case 225: - return 2097152 | 1048576; - case 230: - var result_2 = 0; - var target = resolveAlias(getSymbolOfNode(d)); - ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); - return result_2; - default: - return 1048576; + else if (operator === 52 || operator === 25) { + if (node === binaryExpression.right) { + return getContextualType(binaryExpression); } } + return undefined; } - function checkNonThenableType(type, location, message) { - type = getWidenedType(type); - if (!isTypeAny(type) && !isTypeNever(type) && isTypeAssignableTo(type, getGlobalThenableType())) { - if (location) { - if (!message) { - message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + function applyToContextualType(type, mapper) { + if (!(type.flags & 65536)) { + return mapper(type); + } + var types = type.types; + var mappedType; + var mappedTypes; + for (var _i = 0, types_13 = types; _i < types_13.length; _i++) { + var current = types_13[_i]; + var t = mapper(current); + if (t) { + if (!mappedType) { + mappedType = t; + } + else if (!mappedTypes) { + mappedTypes = [mappedType, t]; + } + else { + mappedTypes.push(t); } - error(location, message); } - return unknownType; } - return type; + return mappedTypes ? getUnionType(mappedTypes) : mappedType; } - function getPromisedType(promise) { - if (isTypeAny(promise)) { - return undefined; - } - if (promise.flags & 131072) { - if (promise.target === tryGetGlobalPromiseType() - || promise.target === getGlobalPromiseLikeType()) { - return promise.typeArguments[0]; - } - } - var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); - if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { - return undefined; - } - var thenFunction = getTypeOfPropertyOfType(promise, "then"); - if (!thenFunction || isTypeAny(thenFunction)) { - return undefined; - } - var thenSignatures = getSignaturesOfType(thenFunction, 0); - if (thenSignatures.length === 0) { - return undefined; - } - var onfulfilledParameterType = getTypeWithFacts(getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)), 131072); - if (isTypeAny(onfulfilledParameterType)) { - return undefined; - } - var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); - if (onfulfilledParameterSignatures.length === 0) { - return undefined; - } - return getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature), true); + function getTypeOfPropertyOfContextualType(type, name) { + return applyToContextualType(type, function (t) { + var prop = t.flags & 229376 ? getPropertyOfType(t, name) : undefined; + return prop ? getTypeOfSymbol(prop) : undefined; + }); } - function getTypeOfFirstParameterOfSignature(signature) { - return signature.parameters.length > 0 ? getTypeAtPosition(signature, 0) : neverType; + function getIndexTypeOfContextualType(type, kind) { + return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); } - function getAwaitedType(type) { - return checkAwaitedType(type, undefined, undefined); + function contextualTypeIsTupleLikeType(type) { + return !!(type.flags & 65536 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); } - function checkAwaitedType(type, location, message) { - return checkAwaitedTypeWorker(type); - function checkAwaitedTypeWorker(type) { - if (type.flags & 524288) { - var types = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var constituentType = _a[_i]; - types.push(checkAwaitedTypeWorker(constituentType)); - } - return getUnionType(types, true); - } - else { - var promisedType = getPromisedType(type); - if (promisedType === undefined) { - return checkNonThenableType(type, location, message); - } - else { - if (type.id === promisedType.id || ts.indexOf(awaitedTypeStack, promisedType.id) >= 0) { - if (location) { - error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); - } - return unknownType; - } - awaitedTypeStack.push(type.id); - var awaitedType = checkAwaitedTypeWorker(promisedType); - awaitedTypeStack.pop(); - return awaitedType; + function getContextualTypeForObjectLiteralMethod(node) { + ts.Debug.assert(ts.isObjectLiteralMethod(node)); + if (isInsideWithStatementBody(node)) { + return undefined; + } + return getContextualTypeForObjectLiteralElement(node); + } + function getContextualTypeForObjectLiteralElement(element) { + var objectLiteral = element.parent; + var type = getApparentTypeOfContextualType(objectLiteral); + if (type) { + if (!ts.hasDynamicName(element)) { + var symbolName = getSymbolOfNode(element).name; + var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); + if (propertyType) { + return propertyType; } } + return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || + getIndexTypeOfContextualType(type, 0); } + return undefined; } - function checkCorrectPromiseType(returnType, location, diagnostic, typeName) { - if (returnType === unknownType) { - return unknownType; - } - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType === emptyGenericType - || globalPromiseType === getTargetType(returnType)) { - return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + function getContextualTypeForElementExpression(node) { + var arrayLiteral = node.parent; + var type = getApparentTypeOfContextualType(arrayLiteral); + if (type) { + var index = ts.indexOf(arrayLiteral.elements, node); + return getTypeOfPropertyOfContextualType(type, "" + index) + || getIndexTypeOfContextualType(type, 1) + || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); } - error(location, diagnostic, typeName); - return unknownType; + return undefined; } - function checkAsyncFunctionReturnType(node) { - if (languageVersion >= 2) { - var returnType = getTypeFromTypeNode(node.type); - return checkCorrectPromiseType(returnType, node.type, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); - } - var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); - if (globalPromiseConstructorLikeType === emptyObjectType) { - return unknownType; - } - var promiseType = getTypeFromTypeNode(node.type); - if (promiseType === unknownType && compilerOptions.isolatedModules) { - return unknownType; - } - var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; - if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { - var typeName = promiseConstructor - ? symbolToString(promiseConstructor) - : typeToString(promiseType); - return checkCorrectPromiseType(promiseType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); - } - checkReturnTypeAnnotationAsExpression(node); - var promiseConstructorType = getTypeOfSymbol(promiseConstructor); - if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { - return unknownType; + function getContextualTypeForConditionalOperand(node) { + var conditional = node.parent; + return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + } + function getContextualTypeForJsxAttribute(attribute) { + var kind = attribute.kind; + var jsxElement = attribute.parent; + var attrsType = getJsxElementAttributesType(jsxElement); + if (attribute.kind === 246) { + if (!attrsType || isTypeAny(attrsType)) { + return undefined; + } + return getTypeOfPropertyOfType(attrsType, attribute.name.text); } - var promiseName = ts.getEntityNameFromTypeNode(node.type); - var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); - var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); - if (rootSymbol) { - error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); - return unknownType; + else if (attribute.kind === 247) { + return attrsType; } - return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); } - function checkDecorator(node) { - var signature = getResolvedSignature(node); - var returnType = getReturnTypeOfSignature(signature); - if (returnType.flags & 1) { - return; + function getApparentTypeOfContextualType(node) { + var type = getContextualType(node); + return type && getApparentType(type); + } + function getContextualType(node) { + if (isInsideWithStatementBody(node)) { + return undefined; } - var expectedReturnType; - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - var errorInfo; - switch (node.parent.kind) { - case 222: - var classSymbol = getSymbolOfNode(node.parent); - var classConstructorType = getTypeOfSymbol(classSymbol); - expectedReturnType = getUnionType([classConstructorType, voidType]); - break; + if (node.contextualType) { + return node.contextualType; + } + var parent = node.parent; + switch (parent.kind) { + case 219: case 143: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); - break; case 146: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); - break; - case 148: - case 150: - case 151: - var methodType = getTypeOfNode(node.parent); - var descriptorType = createTypedPropertyDescriptorType(methodType); - expectedReturnType = getUnionType([descriptorType, voidType]); - break; + case 145: + case 170: + return getContextualTypeForInitializerExpression(node); + case 181: + case 212: + return getContextualTypeForReturnExpression(node); + case 191: + return getContextualTypeForYieldOperand(parent); + case 175: + case 176: + return getContextualTypeForArgument(parent, node); + case 178: + case 196: + return getTypeFromTypeNode(parent.type); + case 188: + return getContextualTypeForBinaryOperand(node); + case 253: + case 254: + return getContextualTypeForObjectLiteralElement(parent); + case 171: + return getContextualTypeForElementExpression(node); + case 189: + return getContextualTypeForConditionalOperand(node); + case 198: + ts.Debug.assert(parent.parent.kind === 190); + return getContextualTypeForSubstitutionExpression(parent.parent, node); + case 179: + return getContextualType(parent); + case 248: + return getContextualType(parent); + case 246: + case 247: + return getContextualTypeForJsxAttribute(parent); } - checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + return undefined; } - function checkTypeNodeAsExpression(node) { - if (node && node.kind === 156) { - var root = getFirstIdentifier(node.typeName); - var meaning = root.parent.kind === 156 ? 793064 : 1920; - var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); - if (rootSymbol && rootSymbol.flags & 8388608) { - var aliasTarget = resolveAlias(rootSymbol); - if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { - markAliasSymbolAsReferenced(rootSymbol); - } + function getNonGenericSignature(type) { + var signatures = getSignaturesOfStructuredType(type, 0); + if (signatures.length === 1) { + var signature = signatures[0]; + if (!signature.typeParameters) { + return signature; } } } - function checkTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); + function isFunctionExpressionOrArrowFunction(node) { + return node.kind === 180 || node.kind === 181; } - function checkReturnTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); + function getContextualSignatureForFunctionLikeDeclaration(node) { + return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) + ? getContextualSignature(node) + : undefined; } - function checkParameterTypeAnnotationsAsExpressions(node) { - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - checkTypeAnnotationAsExpression(parameter); - } + function getContextualTypeForFunctionLikeDeclaration(node) { + return ts.isObjectLiteralMethod(node) ? + getContextualTypeForObjectLiteralMethod(node) : + getApparentTypeOfContextualType(node); } - function checkDecorators(node) { - if (!node.decorators) { - return; - } - if (!ts.nodeCanBeDecorated(node)) { - return; + function getContextualSignature(node) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + var type = getContextualTypeForFunctionLikeDeclaration(node); + if (!type) { + return undefined; } - if (!compilerOptions.experimentalDecorators) { - error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); + if (!(type.flags & 65536)) { + return getNonGenericSignature(type); } - if (compilerOptions.emitDecoratorMetadata) { - switch (node.kind) { - case 222: - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - checkParameterTypeAnnotationsAsExpressions(constructor); - } - break; - case 148: - case 150: - case 151: - checkParameterTypeAnnotationsAsExpressions(node); - checkReturnTypeAnnotationAsExpression(node); - break; - case 146: - case 143: - checkTypeAnnotationAsExpression(node); - break; + var signatureList; + var types = type.types; + for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { + var current = types_14[_i]; + var signature = getNonGenericSignature(current); + if (signature) { + if (!signatureList) { + signatureList = [signature]; + } + else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, true, compareTypesIdentical)) { + return undefined; + } + else { + signatureList.push(signature); + } } } - ts.forEach(node.decorators, checkDecorator); - } - function checkFunctionDeclaration(node) { - if (produceDiagnostics) { - checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + var result; + if (signatureList) { + result = cloneSignature(signatureList[0]); + result.resolvedReturnType = undefined; + result.unionSignatures = signatureList; } + return result; } - function checkFunctionOrMethodDeclaration(node) { - checkDecorators(node); - checkSignatureDeclaration(node); - var isAsync = ts.isAsyncFunctionLike(node); - if (node.name && node.name.kind === 141) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var symbol = getSymbolOfNode(node); - var localSymbol = node.localSymbol || symbol; - var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? - declaration : undefined; }); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(localSymbol); - } - if (symbol.parent) { - if (ts.getDeclarationOfKind(symbol, node.kind) === node) { - checkFunctionOrConstructorSymbol(symbol); + function isInferentialContext(mapper) { + return mapper && mapper.context; + } + function checkSpreadElementExpression(node, contextualMapper) { + var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); + return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); + } + function hasDefaultValue(node) { + return (node.kind === 170 && !!node.initializer) || + (node.kind === 188 && node.operatorToken.kind === 57); + } + function checkArrayLiteral(node, contextualMapper) { + var elements = node.elements; + var hasSpreadElement = false; + var elementTypes = []; + var inDestructuringPattern = ts.isAssignmentTarget(node); + for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { + var e = elements_1[_i]; + if (inDestructuringPattern && e.kind === 192) { + var restArrayType = checkExpression(e.expression, contextualMapper); + var restElementType = getIndexTypeOfType(restArrayType, 1) || + (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); + if (restElementType) { + elementTypes.push(restElementType); } } + else { + var type = checkExpressionForMutableLocation(e, contextualMapper); + elementTypes.push(type); + } + hasSpreadElement = hasSpreadElement || e.kind === 192; } - checkSourceElement(node.body); - if (!node.asteriskToken) { - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (produceDiagnostics && !node.type) { - if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { - reportImplicitAnyError(node, anyType); + if (!hasSpreadElement) { + if (inDestructuringPattern && elementTypes.length) { + var type = cloneTypeReference(createTupleType(elementTypes)); + type.pattern = node; + return type; } - if (node.asteriskToken && ts.nodeIsPresent(node.body)) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { + var pattern = contextualType.pattern; + if (pattern && (pattern.kind === 169 || pattern.kind === 171)) { + var patternElements = pattern.elements; + for (var i = elementTypes.length; i < patternElements.length; i++) { + var patternElement = patternElements[i]; + if (hasDefaultValue(patternElement)) { + elementTypes.push(contextualType.typeArguments[i]); + } + else { + if (patternElement.kind !== 194) { + error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + elementTypes.push(unknownType); + } + } + } + if (elementTypes.length) { + return createTupleType(elementTypes); + } } } - registerForUnusedIdentifiersCheck(node); + return createArrayType(elementTypes.length ? + getUnionType(elementTypes, true) : + strictNullChecks ? neverType : undefinedWideningType); } - function registerForUnusedIdentifiersCheck(node) { - if (deferredUnusedIdentifierNodes) { - deferredUnusedIdentifierNodes.push(node); + function isNumericName(name) { + return name.kind === 141 ? isNumericComputedName(name) : isNumericLiteralName(name.text); + } + function isNumericComputedName(name) { + return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 340); + } + function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { + return isTypeAny(type) || isTypeOfKind(type, kind); + } + function isInfinityOrNaNString(name) { + return name === "Infinity" || name === "-Infinity" || name === "NaN"; + } + function isNumericLiteralName(name) { + return (+name).toString() === name; + } + function checkComputedPropertyName(node) { + var links = getNodeLinks(node.expression); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 340 | 34 | 512)) { + error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); + } + else { + checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); + } } + return links.resolvedType; } - function checkUnusedIdentifiers() { - if (deferredUnusedIdentifierNodes) { - for (var _i = 0, deferredUnusedIdentifierNodes_1 = deferredUnusedIdentifierNodes; _i < deferredUnusedIdentifierNodes_1.length; _i++) { - var node = deferredUnusedIdentifierNodes_1[_i]; - switch (node.kind) { - case 256: - case 226: - checkUnusedModuleMembers(node); - break; - case 222: - case 193: - checkUnusedClassMembers(node); - checkUnusedTypeParameters(node); - break; - case 223: - checkUnusedTypeParameters(node); - break; - case 200: - case 228: - case 207: - case 208: - case 209: - checkUnusedLocalsAndParameters(node); - break; - case 149: - case 180: - case 221: - case 181: - case 148: - case 150: - case 151: - if (node.body) { - checkUnusedLocalsAndParameters(node); - } - checkUnusedTypeParameters(node); - break; - case 147: - case 152: - case 153: - case 154: - case 157: - case 158: - checkUnusedTypeParameters(node); - break; - } - ; + function getObjectLiteralIndexInfo(node, properties, kind) { + var propTypes = []; + for (var i = 0; i < properties.length; i++) { + if (kind === 0 || isNumericName(node.properties[i].name)) { + propTypes.push(getTypeOfSymbol(properties[i])); } } + var unionType = propTypes.length ? getUnionType(propTypes, true) : undefinedType; + return createIndexInfo(unionType, false); } - function checkUnusedLocalsAndParameters(node) { - if (node.parent.kind !== 223 && noUnusedIdentifiers && !ts.isInAmbientContext(node)) { - var _loop_1 = function (key) { - var local = node.locals[key]; - if (!local.isReferenced) { - if (local.valueDeclaration && local.valueDeclaration.kind === 143) { - var parameter = local.valueDeclaration; - if (compilerOptions.noUnusedParameters && - !ts.isParameterPropertyDeclaration(parameter) && - !ts.parameterIsThisKeyword(parameter) && - !parameterNameStartsWithUnderscore(parameter)) { - error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); - } + function checkObjectLiteral(node, contextualMapper) { + var inDestructuringPattern = ts.isAssignmentTarget(node); + checkGrammarObjectLiteralExpression(node, inDestructuringPattern); + var propertiesTable = ts.createMap(); + var propertiesArray = []; + var contextualType = getApparentTypeOfContextualType(node); + var contextualTypeHasPattern = contextualType && contextualType.pattern && + (contextualType.pattern.kind === 168 || contextualType.pattern.kind === 172); + var typeFlags = 0; + var patternWithComputedProperties = false; + var hasComputedStringProperty = false; + var hasComputedNumberProperty = false; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var memberDecl = _a[_i]; + var member = memberDecl.symbol; + if (memberDecl.kind === 253 || + memberDecl.kind === 254 || + ts.isObjectLiteralMethod(memberDecl)) { + var type = void 0; + if (memberDecl.kind === 253) { + type = checkPropertyAssignment(memberDecl, contextualMapper); + } + else if (memberDecl.kind === 148) { + type = checkObjectLiteralMethod(memberDecl, contextualMapper); + } + else { + ts.Debug.assert(memberDecl.kind === 254); + type = checkExpressionForMutableLocation(memberDecl.name, contextualMapper); + } + typeFlags |= type.flags; + var prop = createSymbol(4 | 67108864 | member.flags, member.name); + if (inDestructuringPattern) { + var isOptional = (memberDecl.kind === 253 && hasDefaultValue(memberDecl.initializer)) || + (memberDecl.kind === 254 && memberDecl.objectAssignmentInitializer); + if (isOptional) { + prop.flags |= 536870912; } - else if (compilerOptions.noUnusedLocals) { - ts.forEach(local.declarations, function (d) { return error(d.name || d, ts.Diagnostics._0_is_declared_but_never_used, local.name); }); + if (ts.hasDynamicName(memberDecl)) { + patternWithComputedProperties = true; } } - }; - for (var key in node.locals) { - _loop_1(key); - } - } - } - function parameterNameStartsWithUnderscore(parameter) { - return parameter.name && parameter.name.kind === 70 && parameter.name.text.charCodeAt(0) === 95; - } - function checkUnusedClassMembers(node) { - if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { - if (node.members) { - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 148 || member.kind === 146) { - if (!member.symbol.isReferenced && ts.getModifierFlags(member) & 8) { - error(member.name, ts.Diagnostics._0_is_declared_but_never_used, member.symbol.name); - } + else if (contextualTypeHasPattern && !(getObjectFlags(contextualType) & 256)) { + var impliedProp = getPropertyOfType(contextualType, member.name); + if (impliedProp) { + prop.flags |= impliedProp.flags & 536870912; } - else if (member.kind === 149) { - for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { - var parameter = _c[_b]; - if (!parameter.symbol.isReferenced && ts.getModifierFlags(parameter) & 8) { - error(parameter.name, ts.Diagnostics.Property_0_is_declared_but_never_used, parameter.symbol.name); - } - } + else if (!compilerOptions.suppressExcessPropertyErrors) { + error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); } } - } - } - } - function checkUnusedTypeParameters(node) { - if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { - if (node.typeParameters) { - var symbol = getSymbolOfNode(node); - var lastDeclaration = symbol && symbol.declarations && ts.lastOrUndefined(symbol.declarations); - if (lastDeclaration !== node) { - return; + prop.declarations = member.declarations; + prop.parent = member.parent; + if (member.valueDeclaration) { + prop.valueDeclaration = member.valueDeclaration; + } + prop.type = type; + prop.target = member; + member = prop; + } + else { + ts.Debug.assert(memberDecl.kind === 150 || memberDecl.kind === 151); + checkAccessorDeclaration(memberDecl); + } + if (ts.hasDynamicName(memberDecl)) { + if (isNumericName(memberDecl.name)) { + hasComputedNumberProperty = true; } - for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) { - var typeParameter = _a[_i]; - if (!getMergedSymbol(typeParameter.symbol).isReferenced) { - error(typeParameter.name, ts.Diagnostics._0_is_declared_but_never_used, typeParameter.symbol.name); - } + else { + hasComputedStringProperty = true; } } + else { + propertiesTable[member.name] = member; + } + propertiesArray.push(member); } - } - function checkUnusedModuleMembers(node) { - if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { - for (var key in node.locals) { - var local = node.locals[key]; - if (!local.isReferenced && !local.exportSymbol) { - for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (!ts.isAmbientModule(declaration)) { - error(declaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); - } + if (contextualTypeHasPattern) { + for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!propertiesTable[prop.name]) { + if (!(prop.flags & 536870912)) { + error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); } + propertiesTable[prop.name] = prop; + propertiesArray.push(prop); } } } - } - function checkBlock(node) { - if (node.kind === 200) { - checkGrammarStatementInAmbientContext(node); + var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0) : undefined; + var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1) : undefined; + var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 262144; + result.flags |= 1048576 | freshObjectLiteralFlag | (typeFlags & 3670016); + result.objectFlags |= 64; + if (patternWithComputedProperties) { + result.objectFlags |= 256; } - ts.forEach(node.statements, checkSourceElement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); + if (inDestructuringPattern) { + result.pattern = node; } + return result; } - function checkCollisionWithArgumentsInGeneratedCode(node) { - if (!ts.hasDeclaredRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { - return; - } - ts.forEach(node.parameters, function (p) { - if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { - error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); - } - }); + function checkJsxSelfClosingElement(node) { + checkJsxOpeningLikeElement(node); + return jsxElementType || anyType; } - function needCollisionCheckForIdentifier(node, identifier, name) { - if (!(identifier && identifier.text === name)) { - return false; + function checkJsxElement(node) { + checkJsxOpeningLikeElement(node.openingElement); + if (isJsxIntrinsicIdentifier(node.closingElement.tagName)) { + getIntrinsicTagSymbol(node.closingElement); } - if (node.kind === 146 || - node.kind === 145 || - node.kind === 148 || - node.kind === 147 || - node.kind === 150 || - node.kind === 151) { - return false; + else { + checkExpression(node.closingElement.tagName); } - if (ts.isInAmbientContext(node)) { - return false; + for (var _i = 0, _a = node.children; _i < _a.length; _i++) { + var child = _a[_i]; + switch (child.kind) { + case 248: + checkJsxExpression(child); + break; + case 242: + checkJsxElement(child); + break; + case 243: + checkJsxSelfClosingElement(child); + break; + } } - var root = ts.getRootDeclaration(node); - if (root.kind === 143 && ts.nodeIsMissing(root.parent.body)) { + return jsxElementType || anyType; + } + function isUnhyphenatedJsxName(name) { + return name.indexOf("-") < 0; + } + function isJsxIntrinsicIdentifier(tagName) { + if (tagName.kind === 173 || tagName.kind === 98) { return false; } - return true; - } - function checkCollisionWithCapturedThisVariable(node, name) { - if (needCollisionCheckForIdentifier(node, name, "_this")) { - potentialThisCollisions.push(node); + else { + return ts.isIntrinsicJsxName(tagName.text); } } - function checkIfThisIsCapturedInEnclosingScope(node) { - var current = node; - while (current) { - if (getNodeCheckFlags(current) & 4) { - var isDeclaration_1 = node.kind !== 70; - if (isDeclaration_1) { - error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); + function checkJsxAttribute(node, elementAttributesType, nameTable) { + var correspondingPropType = undefined; + if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { + error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); + } + else if (elementAttributesType && !isTypeAny(elementAttributesType)) { + var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); + correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); + if (isUnhyphenatedJsxName(node.name.text)) { + var attributeType = getTypeOfPropertyOfType(elementAttributesType, getTextOfPropertyName(node.name)) || getIndexTypeOfType(elementAttributesType, 0); + if (attributeType) { + correspondingPropType = attributeType; } else { - error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); + if (!correspondingPropType) { + error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); + return unknownType; + } } - return; } - current = current.parent; } - } - function checkCollisionWithCapturedSuperVariable(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "_super")) { - return; + var exprType; + if (node.initializer) { + exprType = checkExpression(node.initializer); } - var enclosingClass = ts.getContainingClass(node); - if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { - return; + else { + exprType = booleanType; } - if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { - var isDeclaration_2 = node.kind !== 70; - if (isDeclaration_2) { - error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); - } + if (correspondingPropType) { + checkTypeAssignableTo(exprType, correspondingPropType, node); } + nameTable[node.name.text] = true; + return exprType; } - function checkCollisionWithRequireExportsInGeneratedCode(node, name) { - if (modulekind >= ts.ModuleKind.ES2015) { - return; - } - if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { - return; - } - if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent)) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { + var type = checkExpression(node.expression); + var props = getPropertiesOfType(type); + for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { + var prop = props_2[_i]; + if (!nameTable[prop.name]) { + var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); + if (targetPropSym) { + var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); + checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); + } + nameTable[prop.name] = true; + } } + return type; } - function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "Promise")) { - return; - } - if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 8192) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + function getJsxType(name) { + if (jsxTypes[name] === undefined) { + return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; } + return jsxTypes[name]; } - function checkVarDeclaredNamesNotShadowed(node) { - if ((ts.getCombinedNodeFlags(node) & 3) !== 0 || ts.isParameterDeclaration(node)) { - return; - } - if (node.kind === 219 && !node.initializer) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol.flags & 1) { - var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); - if (localDeclarationSymbol && - localDeclarationSymbol !== symbol && - localDeclarationSymbol.flags & 2) { - if (getDeclarationNodeFlagsFromSymbol(localDeclarationSymbol) & 3) { - var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 220); - var container = varDeclList.parent.kind === 201 && varDeclList.parent.parent - ? varDeclList.parent.parent - : undefined; - var namesShareScope = container && - (container.kind === 200 && ts.isFunctionLike(container.parent) || - container.kind === 227 || - container.kind === 226 || - container.kind === 256); - if (!namesShareScope) { - var name_20 = symbolToString(localDeclarationSymbol); - error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_20, name_20); - } + function getIntrinsicTagSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); + if (intrinsicProp) { + links.jsxFlags |= 1; + return links.resolvedSymbol = intrinsicProp; + } + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); + if (indexSignatureType) { + links.jsxFlags |= 2; + return links.resolvedSymbol = intrinsicElementsType.symbol; + } + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); + return links.resolvedSymbol = unknownSymbol; + } + else { + if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); } + return links.resolvedSymbol = unknownSymbol; } } + return links.resolvedSymbol; } - function checkParameterInitializer(node) { - if (ts.getRootDeclaration(node).kind !== 143) { - return; + function getJsxElementInstanceType(node, valueType) { + ts.Debug.assert(!(valueType.flags & 65536)); + if (isTypeAny(valueType)) { + return anyType; } - var func = ts.getContainingFunction(node); - visit(node.initializer); - function visit(n) { - if (ts.isTypeNode(n) || ts.isDeclarationName(n)) { - return; + var signatures = getSignaturesOfType(valueType, 1); + if (signatures.length === 0) { + signatures = getSignaturesOfType(valueType, 0); + if (signatures.length === 0) { + error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); + return unknownType; } - if (n.kind === 173) { - return visit(n.expression); + } + return getUnionType(ts.map(signatures, getReturnTypeOfSignature), true); + } + function getJsxElementPropertiesName() { + var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1920, undefined); + var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793064); + var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); + var attribProperties = attribPropType && getPropertiesOfType(attribPropType); + if (attribProperties) { + if (attribProperties.length === 0) { + return ""; } - else if (n.kind === 70) { - var symbol = resolveName(n, n.text, 107455 | 8388608, undefined, undefined); - if (!symbol || symbol === unknownSymbol || !symbol.valueDeclaration) { - return; - } - if (symbol.valueDeclaration === node) { - error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); - return; - } - var enclosingContainer = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (enclosingContainer === func) { - if (symbol.valueDeclaration.kind === 143) { - if (symbol.valueDeclaration.pos < node.pos) { - return; - } - var current = n; - while (current !== node.initializer) { - if (ts.isFunctionLike(current.parent)) { - return; - } - if (current.parent.kind === 146 && - !(ts.hasModifier(current.parent, 32)) && - ts.isClassLike(current.parent.parent)) { - return; - } - current = current.parent; - } - } - error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); - } + else if (attribProperties.length === 1) { + return attribProperties[0].name; } else { - return ts.forEachChild(n, visit); + error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); + return undefined; } } + else { + return undefined; + } } - function convertAutoToAny(type) { - return type === autoType ? anyType : type === autoArrayType ? anyArrayType : type; - } - function checkVariableLikeDeclaration(node) { - checkDecorators(node); - checkSourceElement(node.type); - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); - if (node.initializer) { - checkExpressionCached(node.initializer); - } + function getResolvedJsxType(node, elemType, elemClassType) { + if (!elemType) { + elemType = checkExpression(node.tagName); } - if (node.kind === 170) { - if (node.propertyName && node.propertyName.kind === 141) { - checkComputedPropertyName(node.propertyName); + if (elemType.flags & 65536) { + var types = elemType.types; + return getUnionType(ts.map(types, function (type) { + return getResolvedJsxType(node, type, elemClassType); + }), true); + } + if (elemType.flags & 2) { + return anyType; + } + else if (elemType.flags & 32) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + var stringLiteralTypeName = elemType.text; + var intrinsicProp = getPropertyOfType(intrinsicElementsType, stringLiteralTypeName); + if (intrinsicProp) { + return getTypeOfSymbol(intrinsicProp); + } + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); + if (indexSignatureType) { + return indexSignatureType; + } + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, stringLiteralTypeName, "JSX." + JsxNames.IntrinsicElements); } - var parent_13 = node.parent.parent; - var parentType = getTypeForBindingElementParent(parent_13); - var name_21 = node.propertyName || node.name; - var property = getPropertyOfType(parentType, getTextOfPropertyName(name_21)); - if (parent_13.initializer && property && getParentOfSymbol(property)) { - checkClassPropertyAccess(parent_13, parent_13.initializer, parentType, property); + return anyType; + } + var elemInstanceType = getJsxElementInstanceType(node, elemType); + if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { + if (jsxElementType) { + var callSignatures = elemType && getSignaturesOfType(elemType, 0); + var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; + var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); + var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); + if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { + var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttributes !== unknownType) { + paramType = intersectTypes(intrinsicAttributes, paramType); + } + return paramType; + } } } - if (ts.isBindingPattern(node.name)) { - ts.forEach(node.name.elements, checkSourceElement); + if (elemClassType) { + checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); } - if (node.initializer && ts.getRootDeclaration(node).kind === 143 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { - error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); - return; + if (isTypeAny(elemInstanceType)) { + return elemInstanceType; } - if (ts.isBindingPattern(node.name)) { - if (node.initializer && node.parent.parent.kind !== 208) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); - checkParameterInitializer(node); - } - return; + var propsName = getJsxElementPropertiesName(); + if (propsName === undefined) { + return anyType; } - var symbol = getSymbolOfNode(node); - var type = convertAutoToAny(getTypeOfVariableOrParameterOrProperty(symbol)); - if (node === symbol.valueDeclaration) { - if (node.initializer && node.parent.parent.kind !== 208) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); - checkParameterInitializer(node); - } + else if (propsName === "") { + return elemInstanceType; } else { - var declarationType = convertAutoToAny(getWidenedTypeForVariableLikeDeclaration(node)); - if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { - error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); + var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); + if (!attributesType) { + return emptyObjectType; } - if (node.initializer) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); + else if (isTypeAny(attributesType) || (attributesType === unknownType)) { + return attributesType; } - if (!areDeclarationFlagsIdentical(node, symbol.valueDeclaration)) { - error(symbol.valueDeclaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); - error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); + else if (attributesType.flags & 65536) { + error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); + return anyType; } - } - if (node.kind !== 146 && node.kind !== 145) { - checkExportsOnMergedDeclarations(node); - if (node.kind === 219 || node.kind === 170) { - checkVarDeclaredNamesNotShadowed(node); + else { + var apparentAttributesType = attributesType; + var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); + if (intrinsicClassAttribs !== unknownType) { + var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); + if (typeParams) { + if (typeParams.length === 1) { + apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + } + } + else { + apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + } + } + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttribs !== unknownType) { + apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); + } + return apparentAttributesType; } - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function areDeclarationFlagsIdentical(left, right) { - if ((left.kind === 143 && right.kind === 219) || - (left.kind === 219 && right.kind === 143)) { - return true; - } - if (ts.hasQuestionToken(left) !== ts.hasQuestionToken(right)) { - return false; } - var interestingFlags = 8 | - 16 | - 256 | - 128 | - 64 | - 32; - return (ts.getModifierFlags(left) & interestingFlags) === (ts.getModifierFlags(right) & interestingFlags); - } - function checkVariableDeclaration(node) { - checkGrammarVariableDeclaration(node); - return checkVariableLikeDeclaration(node); - } - function checkBindingElement(node) { - checkGrammarBindingElement(node); - return checkVariableLikeDeclaration(node); - } - function checkVariableStatement(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); - ts.forEach(node.declarationList.declarations, checkSourceElement); } - function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { - if (node.modifiers && node.parent.kind === 172) { - if (ts.isAsyncFunctionLike(node)) { - if (node.modifiers.length > 1) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + function getJsxElementAttributesType(node) { + var links = getNodeLinks(node); + if (!links.resolvedJsxType) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + var symbol = getIntrinsicTagSymbol(node); + if (links.jsxFlags & 1) { + return links.resolvedJsxType = getTypeOfSymbol(symbol); + } + else if (links.jsxFlags & 2) { + return links.resolvedJsxType = getIndexInfoOfSymbol(symbol, 0).type; + } + else { + return links.resolvedJsxType = unknownType; } } else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + var elemClassType = getJsxGlobalElementClassType(); + return links.resolvedJsxType = getResolvedJsxType(node, undefined, elemClassType); } } + return links.resolvedJsxType; } - function checkExpressionStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - } - function checkIfStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.thenStatement); - if (node.thenStatement.kind === 202) { - error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); - } - checkSourceElement(node.elseStatement); + function getJsxAttributePropertySymbol(attrib) { + var attributesType = getJsxElementAttributesType(attrib.parent); + var prop = getPropertyOfType(attributesType, attrib.name.text); + return prop || unknownSymbol; } - function checkDoStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkSourceElement(node.statement); - checkExpression(node.expression); + function getJsxGlobalElementClassType() { + if (!jsxElementClassType) { + jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); + } + return jsxElementClassType; } - function checkWhileStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.statement); + function getJsxIntrinsicTagNames() { + var intrinsics = getJsxType(JsxNames.IntrinsicElements); + return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; } - function checkForStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.initializer && node.initializer.kind === 220) { - checkGrammarVariableDeclarationList(node.initializer); - } + function checkJsxPreconditions(errorNode) { + if ((compilerOptions.jsx || 0) === 0) { + error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); } - if (node.initializer) { - if (node.initializer.kind === 220) { - ts.forEach(node.initializer.declarations, checkVariableDeclaration); - } - else { - checkExpression(node.initializer); + if (jsxElementType === undefined) { + if (compilerOptions.noImplicitAny) { + error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); } } - if (node.condition) - checkExpression(node.condition); - if (node.incrementor) - checkExpression(node.incrementor); - checkSourceElement(node.statement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); - } } - function checkForOfStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 220) { - checkForInOrForOfVariableDeclaration(node); + function checkJsxOpeningLikeElement(node) { + checkGrammarJsxElement(node); + checkJsxPreconditions(node); + var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; + var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); + if (reactSym) { + reactSym.isReferenced = true; + if (reactSym.flags & 8388608 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(reactSym))) { + markAliasSymbolAsReferenced(reactSym); + } } - else { - var varExpr = node.initializer; - var iteratedType = checkRightHandSideOfForOf(node.expression); - if (varExpr.kind === 171 || varExpr.kind === 172) { - checkDestructuringAssignment(varExpr, iteratedType || unknownType); + var targetAttributesType = getJsxElementAttributesType(node); + var nameTable = ts.createMap(); + var sawSpreadedAny = false; + for (var i = node.attributes.length - 1; i >= 0; i--) { + if (node.attributes[i].kind === 246) { + checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); } else { - var leftType = checkExpression(varExpr); - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property); - if (iteratedType) { - checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); + ts.Debug.assert(node.attributes[i].kind === 247); + var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); + if (isTypeAny(spreadType)) { + sawSpreadedAny = true; } } } - checkSourceElement(node.statement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); + if (targetAttributesType && !sawSpreadedAny) { + var targetProperties = getPropertiesOfType(targetAttributesType); + for (var i = 0; i < targetProperties.length; i++) { + if (!(targetProperties[i].flags & 536870912) && + !nameTable[targetProperties[i].name]) { + error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); + } + } } } - function checkForInStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 220) { - var variable = node.initializer.declarations[0]; - if (variable && ts.isBindingPattern(variable.name)) { - error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - checkForInOrForOfVariableDeclaration(node); + function checkJsxExpression(node) { + if (node.expression) { + return checkExpression(node.expression); } else { - var varExpr = node.initializer; - var leftType = checkExpression(varExpr); - if (varExpr.kind === 171 || varExpr.kind === 172) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + return unknownType; + } + } + function getDeclarationKindFromSymbol(s) { + return s.valueDeclaration ? s.valueDeclaration.kind : 146; + } + function getDeclarationModifierFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedModifierFlags(s.valueDeclaration) : s.flags & 134217728 ? 4 | 32 : 0; + } + function getDeclarationNodeFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : 0; + } + function checkClassPropertyAccess(node, left, type, prop) { + var flags = getDeclarationModifierFlagsFromSymbol(prop); + var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); + var errorNode = node.kind === 173 || node.kind === 219 ? + node.name : + node.right; + if (left.kind === 96) { + if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 148) { + error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); + return false; } - else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34)) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + if (flags & 128) { + error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); + return false; } - else { - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property); + } + if (!(flags & 24)) { + return true; + } + if (flags & 8) { + var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop)); + if (!isNodeWithinClass(node, declaringClassDeclaration)) { + error(errorNode, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); + return false; } + return true; } - var rightType = checkNonNullExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) { - error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + if (left.kind === 96) { + return true; } - checkSourceElement(node.statement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); + var enclosingClass = forEachEnclosingClass(node, function (enclosingDeclaration) { + var enclosingClass = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingDeclaration)); + return hasBaseType(enclosingClass, declaringClass) ? enclosingClass : undefined; + }); + if (!enclosingClass) { + error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + return false; + } + if (flags & 32) { + return true; + } + if (type.flags & 16384 && type.isThisType) { + type = getConstraintOfTypeParameter(type); } + if (!(getObjectFlags(getTargetType(type)) & 3 && hasBaseType(type, enclosingClass))) { + error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + return false; + } + return true; } - function checkForInOrForOfVariableDeclaration(iterationStatement) { - var variableDeclarationList = iterationStatement.initializer; - if (variableDeclarationList.declarations.length >= 1) { - var decl = variableDeclarationList.declarations[0]; - checkVariableDeclaration(decl); + function checkNonNullExpression(node) { + var type = checkExpression(node); + if (strictNullChecks) { + var kind = getFalsyFlags(type) & 6144; + if (kind) { + error(node, kind & 2048 ? kind & 4096 ? + ts.Diagnostics.Object_is_possibly_null_or_undefined : + ts.Diagnostics.Object_is_possibly_undefined : + ts.Diagnostics.Object_is_possibly_null); + } + return getNonNullableType(type); } + return type; } - function checkRightHandSideOfForOf(rhsExpression) { - var expressionType = checkNonNullExpression(rhsExpression); - return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); + function checkPropertyAccessExpression(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); } - function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { - if (isTypeAny(inputType)) { - return inputType; - } - if (languageVersion >= 2) { - return checkElementTypeOfIterable(inputType, errorNode); + function checkQualifiedName(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + } + function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { + var type = checkNonNullExpression(left); + if (isTypeAny(type) || type === silentNeverType) { + return type; } - if (allowStringInput) { - return checkElementTypeOfArrayOrString(inputType, errorNode); + var apparentType = getApparentType(getWidenedType(type)); + if (apparentType === unknownType || (type.flags & 16384 && isTypeAny(apparentType))) { + return apparentType; } - if (isArrayLikeType(inputType)) { - var indexType = getIndexTypeOfType(inputType, 1); - if (indexType) { - return indexType; + var prop = getPropertyOfType(apparentType, right.text); + if (!prop) { + if (right.text && !checkAndReportErrorForExtendingInterface(node)) { + reportNonexistentProperty(right, type.flags & 16384 && type.isThisType ? apparentType : type); } + return unknownType; } - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + if (noUnusedIdentifiers && + (prop.flags & 106500) && + prop.valueDeclaration && (ts.getModifierFlags(prop.valueDeclaration) & 8)) { + if (prop.flags & 16777216) { + getSymbolLinks(prop).target.isReferenced = true; + } + else { + prop.isReferenced = true; + } } - return unknownType; - } - function checkElementTypeOfIterable(iterable, errorNode) { - var elementType = getElementTypeOfIterable(iterable, errorNode); - if (errorNode && elementType) { - checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + getNodeLinks(node).resolvedSymbol = prop; + if (prop.parent && prop.parent.flags & 32) { + checkClassPropertyAccess(node, left, apparentType, prop); } - return elementType || anyType; - } - function getElementTypeOfIterable(type, errorNode) { - if (isTypeAny(type)) { - return undefined; + var propType = getTypeOfSymbol(prop); + if (node.kind !== 173 || ts.isAssignmentTarget(node) || + !(prop.flags & (3 | 4 | 98304)) && + !(prop.flags & 8192 && propType.flags & 65536)) { + return propType; } - var typeAsIterable = type; - if (!typeAsIterable.iterableElementType) { - if ((type.flags & 131072) && type.target === getGlobalIterableType()) { - typeAsIterable.iterableElementType = type.typeArguments[0]; - } - else { - var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); - if (isTypeAny(iteratorFunction)) { - return undefined; - } - var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; - if (iteratorFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + return getFlowTypeOfReference(node, propType, true, undefined); + function reportNonexistentProperty(propNode, containingType) { + var errorInfo; + if (containingType.flags & 65536 && !(containingType.flags & 8190)) { + for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { + var subtype = _a[_i]; + if (!getPropertyOfType(subtype, propNode.text)) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(subtype)); + break; } - return undefined; } - typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature), true), errorNode); } + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(containingType)); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(propNode, errorInfo)); } - return typeAsIterable.iterableElementType; } - function getElementTypeOfIterator(type, errorNode) { - if (isTypeAny(type)) { - return undefined; + function isValidPropertyAccess(node, propertyName) { + var left = node.kind === 173 + ? node.expression + : node.left; + var type = checkExpression(left); + if (type !== unknownType && !isTypeAny(type)) { + var prop = getPropertyOfType(getWidenedType(type), propertyName); + if (prop && prop.parent && prop.parent.flags & 32) { + return checkClassPropertyAccess(node, left, type, prop); + } } - var typeAsIterator = type; - if (!typeAsIterator.iteratorElementType) { - if ((type.flags & 131072) && type.target === getGlobalIteratorType()) { - typeAsIterator.iteratorElementType = type.typeArguments[0]; + return true; + } + function getForInVariableSymbol(node) { + var initializer = node.initializer; + if (initializer.kind === 220) { + var variable = initializer.declarations[0]; + if (variable && !ts.isBindingPattern(variable.name)) { + return getSymbolOfNode(variable); } - else { - var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); - if (isTypeAny(iteratorNextFunction)) { - return undefined; - } - var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; - if (iteratorNextFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); - } - return undefined; - } - var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature), true); - if (isTypeAny(iteratorNextResult)) { - return undefined; - } - var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); - if (!iteratorNextValue) { - if (errorNode) { - error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + else if (initializer.kind === 70) { + return getResolvedSymbol(initializer); + } + return undefined; + } + function hasNumericPropertyNames(type) { + return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); + } + function isForInVariableForNumericPropertyNames(expr) { + var e = skipParenthesizedNodes(expr); + if (e.kind === 70) { + var symbol = getResolvedSymbol(e); + if (symbol.flags & 3) { + var child = expr; + var node = expr.parent; + while (node) { + if (node.kind === 208 && + child === node.statement && + getForInVariableSymbol(node) === symbol && + hasNumericPropertyNames(checkExpression(node.expression))) { + return true; } - return undefined; + child = node; + node = node.parent; } - typeAsIterator.iteratorElementType = iteratorNextValue; } } - return typeAsIterator.iteratorElementType; + return false; } - function getElementTypeOfIterableIterator(type) { - if (isTypeAny(type)) { - return undefined; + function checkIndexedAccess(node) { + if (!node.argumentExpression) { + var sourceFile = ts.getSourceFileOfNode(node); + if (node.parent.kind === 176 && node.parent.expression === node) { + var start = ts.skipTrivia(sourceFile.text, node.expression.end); + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + } + else { + var start = node.end - "]".length; + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + } } - if ((type.flags & 131072) && type.target === getGlobalIterableIteratorType()) { - return type.typeArguments[0]; + var objectType = getApparentType(checkNonNullExpression(node.expression)); + var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; + if (objectType === unknownType || objectType === silentNeverType) { + return objectType; } - return getElementTypeOfIterable(type, undefined) || - getElementTypeOfIterator(type, undefined); - } - function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { - ts.Debug.assert(languageVersion < 2); - var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 524288) { - arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34); }), true); + var isConstEnum = isConstEnumObjectType(objectType); + if (isConstEnum && + (!node.argumentExpression || node.argumentExpression.kind !== 9)) { + error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); + return unknownType; } - else if (arrayOrStringType.flags & 34) { - arrayType = neverType; + if (node.argumentExpression) { + var name_19 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); + if (name_19 !== undefined) { + var prop = getPropertyOfType(objectType, name_19); + if (prop) { + getNodeLinks(node).resolvedSymbol = prop; + return getTypeOfSymbol(prop); + } + else if (isConstEnum) { + error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_19, symbolToString(objectType.symbol)); + return unknownType; + } + } } - var hasStringConstituent = arrayOrStringType !== arrayType; - var reportedError = false; - if (hasStringConstituent) { - if (languageVersion < 1) { - error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); - reportedError = true; + var allowedNullableFlags = strictNullChecks ? 0 : 6144; + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 34 | 340 | 512 | allowedNullableFlags)) { + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | allowedNullableFlags) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { + var numberIndexInfo = getIndexInfoOfType(objectType, 1); + if (numberIndexInfo) { + getNodeLinks(node).resolvedIndexInfo = numberIndexInfo; + return numberIndexInfo.type; + } } - if (arrayType.flags & 8192) { - return stringType; + var stringIndexInfo = getIndexInfoOfType(objectType, 0); + if (stringIndexInfo) { + getNodeLinks(node).resolvedIndexInfo = stringIndexInfo; + return stringIndexInfo.type; } - } - if (!isArrayLikeType(arrayType)) { - if (!reportedError) { - var diagnostic = hasStringConstituent - ? ts.Diagnostics.Type_0_is_not_an_array_type - : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; - error(errorNode, diagnostic, typeToString(arrayType)); + if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { + error(node, getIndexTypeOfType(objectType, 1) ? + ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : + ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); } - return hasStringConstituent ? stringType : unknownType; + return anyType; } - var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; - if (hasStringConstituent) { - if (arrayElementType.flags & 34) { - return stringType; + error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); + return unknownType; + } + function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { + if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { + return indexArgumentExpression.text; + } + if (indexArgumentExpression.kind === 174 || indexArgumentExpression.kind === 173) { + var value = getConstantValue(indexArgumentExpression); + if (value !== undefined) { + return value.toString(); } - return getUnionType([arrayElementType, stringType], true); } - return arrayElementType; - } - function checkBreakOrContinueStatement(node) { - checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); - } - function isGetAccessorWithAnnotatedSetAccessor(node) { - return !!(node.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 151))); - } - function isUnwrappedReturnTypeVoidOrAny(func, returnType) { - var unwrappedReturnType = ts.isAsyncFunctionLike(func) ? getPromisedType(returnType) : returnType; - return unwrappedReturnType && maybeTypeOfKind(unwrappedReturnType, 1024 | 1); + if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { + var rightHandSideName = indexArgumentExpression.name.text; + return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + } + return undefined; } - function checkReturnStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var functionBlock = ts.getContainingFunction(node); - if (!functionBlock) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); - } + function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { + if (expressionType === unknownType) { + return false; } - var func = ts.getContainingFunction(node); - if (func) { - var signature = getSignatureFromDeclaration(func); - var returnType = getReturnTypeOfSignature(signature); - if (strictNullChecks || node.expression || returnType.flags & 8192) { - var exprType = node.expression ? checkExpressionCached(node.expression) : undefinedType; - if (func.asteriskToken) { - return; - } - if (func.kind === 151) { - if (node.expression) { - error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); - } - } - else if (func.kind === 149) { - if (node.expression && !checkTypeAssignableTo(exprType, returnType, node.expression)) { - error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); - } - } - else if (func.type || isGetAccessorWithAnnotatedSetAccessor(func)) { - if (ts.isAsyncFunctionLike(func)) { - var promisedType = getPromisedType(returnType); - var awaitedType = checkAwaitedType(exprType, node.expression || node, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - if (promisedType) { - checkTypeAssignableTo(awaitedType, promisedType, node.expression || node); - } - } - else { - checkTypeAssignableTo(exprType, returnType, node.expression || node); - } - } + if (!ts.isWellKnownSymbolSyntactically(expression)) { + return false; + } + if ((expressionType.flags & 512) === 0) { + if (reportError) { + error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); } - else if (func.kind !== 149 && compilerOptions.noImplicitReturns && !isUnwrappedReturnTypeVoidOrAny(func, returnType)) { - error(node, ts.Diagnostics.Not_all_code_paths_return_a_value); + return false; + } + var leftHandSide = expression.expression; + var leftHandSideSymbol = getResolvedSymbol(leftHandSide); + if (!leftHandSideSymbol) { + return false; + } + var globalESSymbol = getGlobalESSymbolConstructorSymbol(); + if (!globalESSymbol) { + return false; + } + if (leftHandSideSymbol !== globalESSymbol) { + if (reportError) { + error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); } + return false; } + return true; } - function checkWithStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.flags & 262144) { - grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); - } + function resolveUntypedCall(node) { + if (node.kind === 177) { + checkExpression(node.template); } - checkExpression(node.expression); - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var start = ts.getSpanOfTokenAtPosition(sourceFile, node.pos).start; - var end = node.statement.pos; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any); + else if (node.kind !== 144) { + ts.forEach(node.arguments, function (argument) { + checkExpression(argument); + }); } + return anySignature; } - function checkSwitchStatement(node) { - checkGrammarStatementInAmbientContext(node); - var firstDefaultClause; - var hasDuplicateDefaultClause = false; - var expressionType = checkExpression(node.expression); - ts.forEach(node.caseBlock.clauses, function (clause) { - if (clause.kind === 250 && !hasDuplicateDefaultClause) { - if (firstDefaultClause === undefined) { - firstDefaultClause = clause; + function resolveErrorCall(node) { + resolveUntypedCall(node); + return unknownSignature; + } + function reorderCandidates(signatures, result) { + var lastParent; + var lastSymbol; + var cutoffIndex = 0; + var index; + var specializedIndex = -1; + var spliceIndex; + ts.Debug.assert(!result.length); + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var signature = signatures_2[_i]; + var symbol = signature.declaration && getSymbolOfNode(signature.declaration); + var parent_11 = signature.declaration && signature.declaration.parent; + if (!lastSymbol || symbol === lastSymbol) { + if (lastParent && parent_11 === lastParent) { + index++; } else { - var sourceFile = ts.getSourceFileOfNode(node); - var start = ts.skipTrivia(sourceFile.text, clause.pos); - var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); - hasDuplicateDefaultClause = true; + lastParent = parent_11; + index = cutoffIndex; } } - if (produceDiagnostics && clause.kind === 249) { - var caseClause = clause; - var caseType = checkExpression(caseClause.expression); - if (!isTypeEqualityComparableTo(expressionType, caseType)) { - checkTypeComparableTo(caseType, expressionType, caseClause.expression, undefined); - } + else { + index = cutoffIndex = result.length; + lastParent = parent_11; } - ts.forEach(clause.statements, checkSourceElement); - }); - if (node.caseBlock.locals) { - registerForUnusedIdentifiersCheck(node.caseBlock); + lastSymbol = symbol; + if (signature.hasLiteralTypes) { + specializedIndex++; + spliceIndex = specializedIndex; + cutoffIndex++; + } + else { + spliceIndex = index; + } + result.splice(spliceIndex, 0, signature); } } - function checkLabeledStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var current = node.parent; - while (current) { - if (ts.isFunctionLike(current)) { - break; - } - if (current.kind === 215 && current.label.text === node.label.text) { - var sourceFile = ts.getSourceFileOfNode(node); - grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); - break; - } - current = current.parent; + function getSpreadArgumentIndex(args) { + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + if (arg && arg.kind === 192) { + return i; } } - checkSourceElement(node.statement); + return -1; } - function checkThrowStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.expression === undefined) { - grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + function hasCorrectArity(node, args, signature, signatureHelpTrailingComma) { + if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } + var argCount; + var typeArguments; + var callIsIncomplete; + var isDecorator; + var spreadArgIndex = -1; + if (node.kind === 177) { + var tagExpression = node; + argCount = args.length; + typeArguments = undefined; + if (tagExpression.template.kind === 190) { + var templateExpression = tagExpression.template; + var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); + ts.Debug.assert(lastSpan !== undefined); + callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + } + else { + var templateLiteral = tagExpression.template; + ts.Debug.assert(templateLiteral.kind === 12); + callIsIncomplete = !!templateLiteral.isUnterminated; } } - if (node.expression) { - checkExpression(node.expression); + else if (node.kind === 144) { + isDecorator = true; + typeArguments = undefined; + argCount = getEffectiveArgumentCount(node, undefined, signature); } - } - function checkTryStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkBlock(node.tryBlock); - var catchClause = node.catchClause; - if (catchClause) { - if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 70) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); - } - else if (catchClause.variableDeclaration.initializer) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); - } - else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); - } - } - } + else { + var callExpression = node; + if (!callExpression.arguments) { + ts.Debug.assert(callExpression.kind === 176); + return signature.minArgumentCount === 0; } - checkBlock(catchClause.block); + argCount = signatureHelpTrailingComma ? args.length + 1 : args.length; + callIsIncomplete = callExpression.arguments.end === callExpression.end; + typeArguments = callExpression.typeArguments; + spreadArgIndex = getSpreadArgumentIndex(args); } - if (node.finallyBlock) { - checkBlock(node.finallyBlock); + var hasRightNumberOfTypeArgs = !typeArguments || + (signature.typeParameters && typeArguments.length === signature.typeParameters.length); + if (!hasRightNumberOfTypeArgs) { + return false; + } + if (spreadArgIndex >= 0) { + return isRestParameterIndex(signature, spreadArgIndex); + } + if (!signature.hasRestParameter && argCount > signature.parameters.length) { + return false; } + var hasEnoughArguments = argCount >= signature.minArgumentCount; + return callIsIncomplete || hasEnoughArguments; } - function checkIndexConstraints(type) { - var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); - var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); - var stringIndexType = getIndexTypeOfType(type, 0); - var numberIndexType = getIndexTypeOfType(type, 1); - if (stringIndexType || numberIndexType) { - ts.forEach(getPropertiesOfObjectType(type), function (prop) { - var propType = getTypeOfSymbol(prop); - checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); - }); - if (type.flags & 32768 && ts.isClassLike(type.symbol.valueDeclaration)) { - var classDeclaration = type.symbol.valueDeclaration; - for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (!(ts.getModifierFlags(member) & 32) && ts.hasDynamicName(member)) { - var propType = getTypeOfSymbol(member.symbol); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); - } - } + function getSingleCallSignature(type) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && + resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { + return resolved.callSignatures[0]; } } - var errorNode; - if (stringIndexType && numberIndexType) { - errorNode = declaredNumberIndexer || declaredStringIndexer; - if (!errorNode && (type.flags & 65536)) { - var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); - errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + return undefined; + } + function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { + var context = createInferenceContext(signature, true); + forEachMatchingParameterType(contextualSignature, signature, function (source, target) { + inferTypes(context, instantiateType(source, contextualMapper), target); + }); + return getSignatureInstantiation(signature, getInferredTypes(context)); + } + function inferTypeArguments(node, signature, args, excludeArgument, context) { + var typeParameters = signature.typeParameters; + var inferenceMapper = getInferenceMapper(context); + for (var i = 0; i < typeParameters.length; i++) { + if (!context.inferences[i].isFixed) { + context.inferredTypes[i] = undefined; } } - if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { - error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { + context.failedTypeParameterIndex = undefined; } - function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { - if (!indexType) { - return; - } - if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { - return; - } - var errorNode; - if (prop.valueDeclaration.name.kind === 141 || prop.parent === containingType.symbol) { - errorNode = prop.valueDeclaration; - } - else if (indexDeclaration) { - errorNode = indexDeclaration; - } - else if (containingType.flags & 65536) { - var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); - errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; - } - if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { - var errorMessage = indexKind === 0 - ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 - : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; - error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + var thisType = getThisTypeOfSignature(signature); + if (thisType) { + var thisArgumentNode = getThisArgumentOfCall(node); + var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; + inferTypes(context, thisArgumentType, thisType); + } + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 194) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i); + if (argType === undefined) { + var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; + argType = checkExpressionWithContextualType(arg, paramType, mapper); + } + inferTypes(context, argType, paramType); } } - } - function checkTypeNameIsReserved(name, message) { - switch (name.text) { - case "any": - case "number": - case "boolean": - case "string": - case "symbol": - case "void": - error(name, message, name.text); + if (excludeArgument) { + for (var i = 0; i < argCount; i++) { + if (excludeArgument[i] === false) { + var arg = args[i]; + var paramType = getTypeAtPosition(signature, i); + inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + } + } } + getInferredTypes(context); } - function checkTypeParameters(typeParameterDeclarations) { - if (typeParameterDeclarations) { - for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { - var node = typeParameterDeclarations[i]; - checkTypeParameter(node); - if (produceDiagnostics) { - for (var j = 0; j < i; j++) { - if (typeParameterDeclarations[j].symbol === node.symbol) { - error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); - } + function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { + var typeParameters = signature.typeParameters; + var typeArgumentsAreAssignable = true; + var mapper; + for (var i = 0; i < typeParameters.length; i++) { + if (typeArgumentsAreAssignable) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + var errorInfo = void 0; + var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; + if (reportErrors && headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); + typeArgumentHeadMessage = headMessage; } + if (!mapper) { + mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + var typeArgument = typeArgumentTypes[i]; + typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); } } } + return typeArgumentsAreAssignable; } - function checkTypeParameterListsIdentical(node, symbol) { - if (symbol.declarations.length === 1) { - return; + function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { + var thisType = getThisTypeOfSignature(signature); + if (thisType && thisType !== voidType && node.kind !== 176) { + var thisArgumentNode = getThisArgumentOfCall(node); + var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; + var errorNode = reportErrors ? (thisArgumentNode || node) : undefined; + var headMessage_1 = ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1; + if (!checkTypeRelatedTo(thisArgumentType, getThisTypeOfSignature(signature), relation, errorNode, headMessage_1)) { + return false; + } } - var firstDecl; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 222 || declaration.kind === 223) { - if (!firstDecl) { - firstDecl = declaration; + var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 194) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i); + if (argType === undefined) { + argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); } - else if (!areTypeParametersIdentical(firstDecl.typeParameters, node.typeParameters)) { - error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, node.name.text); + var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; + if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { + return false; } } } + return true; } - function checkClassExpression(node) { - checkClassLikeDeclaration(node); - checkNodeDeferred(node); - return getTypeOfSymbol(getSymbolOfNode(node)); + function getThisArgumentOfCall(node) { + if (node.kind === 175) { + var callee = node.expression; + if (callee.kind === 173) { + return callee.expression; + } + else if (callee.kind === 174) { + return callee.expression; + } + } } - function checkClassExpressionDeferred(node) { - ts.forEach(node.members, checkSourceElement); - registerForUnusedIdentifiersCheck(node); + function getEffectiveCallArguments(node) { + var args; + if (node.kind === 177) { + var template = node.template; + args = [undefined]; + if (template.kind === 190) { + ts.forEach(template.templateSpans, function (span) { + args.push(span.expression); + }); + } + } + else if (node.kind === 144) { + return undefined; + } + else { + args = node.arguments || emptyArray; + } + return args; } - function checkClassDeclaration(node) { - if (!node.name && !(ts.getModifierFlags(node) & 512)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + function getEffectiveArgumentCount(node, args, signature) { + if (node.kind === 144) { + switch (node.parent.kind) { + case 222: + case 193: + return 1; + case 146: + return 2; + case 148: + case 150: + case 151: + if (languageVersion === 0) { + return 2; + } + return signature.parameters.length >= 3 ? 3 : 2; + case 143: + return 3; + } + } + else { + return args.length; } - checkClassLikeDeclaration(node); - ts.forEach(node.members, checkSourceElement); - registerForUnusedIdentifiersCheck(node); } - function checkClassLikeDeclaration(node) { - checkGrammarClassDeclarationHeritageClauses(node); - checkDecorators(node); - if (node.name) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + function getEffectiveDecoratorFirstArgumentType(node) { + if (node.kind === 222) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); } - checkTypeParameters(node.typeParameters); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - var staticType = getTypeOfSymbol(symbol); - checkTypeParameterListsIdentical(node, symbol); - checkClassForDuplicateDeclarations(node); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length && produceDiagnostics) { - var baseType_1 = baseTypes[0]; - var staticBaseType = getBaseConstructorTypeOfClass(type); - checkBaseTypeAccessibility(staticBaseType, baseTypeNode); - checkSourceElement(baseTypeNode.expression); - if (baseTypeNode.typeArguments) { - ts.forEach(baseTypeNode.typeArguments, checkSourceElement); - for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { - var constructor = _a[_i]; - if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { - break; - } - } - } - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); - checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (baseType_1.symbol.valueDeclaration && !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration)) { - if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) { - error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class); - } - } - if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { - var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); - if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); - } - } - checkKindsOfPropertyMemberOverrides(type, baseType_1); + if (node.kind === 143) { + node = node.parent; + if (node.kind === 149) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); } } - var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); - if (implementedTypeNodes) { - for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { - var typeRefNode = implementedTypeNodes_1[_b]; - if (!ts.isEntityNameExpression(typeRefNode.expression)) { - error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(typeRefNode); - if (produceDiagnostics) { - var t = getTypeFromTypeNode(typeRefNode); - if (t !== unknownType) { - var declaredType = (t.flags & 131072) ? t.target : t; - if (declaredType.flags & (32768 | 65536)) { - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); - } - else { - error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); - } + if (node.kind === 146 || + node.kind === 148 || + node.kind === 150 || + node.kind === 151) { + return getParentTypeOfClassElement(node); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorSecondArgumentType(node) { + if (node.kind === 222) { + ts.Debug.fail("Class decorators should not have a second synthetic argument."); + return unknownType; + } + if (node.kind === 143) { + node = node.parent; + if (node.kind === 149) { + return anyType; + } + } + if (node.kind === 146 || + node.kind === 148 || + node.kind === 150 || + node.kind === 151) { + var element = node; + switch (element.name.kind) { + case 70: + case 8: + case 9: + return getLiteralTypeForText(32, element.name.text); + case 141: + var nameType = checkComputedPropertyName(element.name); + if (isTypeOfKind(nameType, 512)) { + return nameType; } - } + else { + return stringType; + } + default: + ts.Debug.fail("Unsupported property name."); + return unknownType; } } - if (produceDiagnostics) { - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorThirdArgumentType(node) { + if (node.kind === 222) { + ts.Debug.fail("Class decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 143) { + return numberType; + } + if (node.kind === 146) { + ts.Debug.fail("Property decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 148 || + node.kind === 150 || + node.kind === 151) { + var propertyType = getTypeOfNode(node); + return createTypedPropertyDescriptorType(propertyType); } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; } - function checkBaseTypeAccessibility(type, node) { - var signatures = getSignaturesOfType(type, 1); - if (signatures.length) { - var declaration = signatures[0].declaration; - if (declaration && ts.getModifierFlags(declaration) & 8) { - var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol); - if (!isNodeWithinClass(node, typeClassDeclaration)) { - error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, node.expression.text); - } - } + function getEffectiveDecoratorArgumentType(node, argIndex) { + if (argIndex === 0) { + return getEffectiveDecoratorFirstArgumentType(node.parent); + } + else if (argIndex === 1) { + return getEffectiveDecoratorSecondArgumentType(node.parent); + } + else if (argIndex === 2) { + return getEffectiveDecoratorThirdArgumentType(node.parent); } + ts.Debug.fail("Decorators should not have a fourth synthetic argument."); + return unknownType; } - function getTargetSymbol(s) { - return s.flags & 16777216 ? getSymbolLinks(s).target : s; + function getEffectiveArgumentType(node, argIndex) { + if (node.kind === 144) { + return getEffectiveDecoratorArgumentType(node, argIndex); + } + else if (argIndex === 0 && node.kind === 177) { + return getGlobalTemplateStringsArrayType(); + } + return undefined; } - function getClassLikeDeclarationOfSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + function getEffectiveArgument(node, args, argIndex) { + if (node.kind === 144 || + (argIndex === 0 && node.kind === 177)) { + return undefined; + } + return args[argIndex]; } - function checkKindsOfPropertyMemberOverrides(type, baseType) { - var baseProperties = getPropertiesOfObjectType(baseType); - for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { - var baseProperty = baseProperties_1[_i]; - var base = getTargetSymbol(baseProperty); - if (base.flags & 134217728) { - continue; + function getEffectiveArgumentErrorNode(node, argIndex, arg) { + if (node.kind === 144) { + return node.expression; + } + else if (argIndex === 0 && node.kind === 177) { + return node.template; + } + else { + return arg; + } + } + function resolveCall(node, signatures, candidatesOutArray, headMessage) { + var isTaggedTemplate = node.kind === 177; + var isDecorator = node.kind === 144; + var typeArguments; + if (!isTaggedTemplate && !isDecorator) { + typeArguments = node.typeArguments; + if (node.expression.kind !== 96) { + ts.forEach(typeArguments, checkSourceElement); } - var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); - var baseDeclarationFlags = getDeclarationModifierFlagsFromSymbol(base); - ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); - if (derived) { - if (derived === base) { - var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); - if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(ts.getModifierFlags(derivedClassDecl) & 128))) { - if (derivedClassDecl.kind === 193) { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); - } - else { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); - } - } - } - else { - var derivedDeclarationFlags = getDeclarationModifierFlagsFromSymbol(derived); - if ((baseDeclarationFlags & 8) || (derivedDeclarationFlags & 8)) { - continue; - } - if ((baseDeclarationFlags & 32) !== (derivedDeclarationFlags & 32)) { - continue; - } - if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { - continue; - } - var errorMessage = void 0; - if (base.flags & 8192) { - if (derived.flags & 98304) { - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; - } - else { - ts.Debug.assert((derived.flags & 4) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; - } - } - else if (base.flags & 4) { - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; - } - else { - ts.Debug.assert((base.flags & 98304) !== 0); - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + var candidates = candidatesOutArray || []; + reorderCandidates(signatures, candidates); + if (!candidates.length) { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + return resolveErrorCall(node); + } + var args = getEffectiveCallArguments(node); + var excludeArgument; + if (!isDecorator) { + for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { + if (isContextSensitive(args[i])) { + if (!excludeArgument) { + excludeArgument = new Array(args.length); } - error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + excludeArgument[i] = true; } } } - } - function isAccessor(kind) { - return kind === 150 || kind === 151; - } - function areTypeParametersIdentical(list1, list2) { - if (!list1 && !list2) { - return true; + var candidateForArgumentError; + var candidateForTypeArgumentError; + var resultOfFailedInference; + var result; + var signatureHelpTrailingComma = candidatesOutArray && node.kind === 175 && node.arguments.hasTrailingComma; + if (candidates.length > 1) { + result = chooseOverload(candidates, subtypeRelation, signatureHelpTrailingComma); } - if (!list1 || !list2 || list1.length !== list2.length) { - return false; + if (!result) { + candidateForArgumentError = undefined; + candidateForTypeArgumentError = undefined; + resultOfFailedInference = undefined; + result = chooseOverload(candidates, assignableRelation, signatureHelpTrailingComma); } - for (var i = 0, len = list1.length; i < len; i++) { - var tp1 = list1[i]; - var tp2 = list2[i]; - if (tp1.name.text !== tp2.name.text) { - return false; - } - if (!tp1.constraint && !tp2.constraint) { - continue; - } - if (!tp1.constraint || !tp2.constraint) { - return false; - } - if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { - return false; - } + if (result) { + return result; } - return true; - } - function checkInheritedPropertiesAreIdentical(type, typeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length < 2) { - return true; + if (candidateForArgumentError) { + checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); } - var seen = ts.createMap(); - ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); - var ok = true; - for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { - var base = baseTypes_2[_i]; - var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); - for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { - var prop = properties_5[_a]; - var existing = seen[prop.name]; - if (!existing) { - seen[prop.name] = { prop: prop, containingType: base }; - } - else { - var isInheritedProperty = existing.containingType !== type; - if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { - ok = false; - var typeName1 = typeToString(existing.containingType); - var typeName2 = typeToString(base); - var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); - } + else if (candidateForTypeArgumentError) { + if (!isTaggedTemplate && !isDecorator && typeArguments) { + var typeArguments_2 = node.typeArguments; + checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNodeNoAlias), true, headMessage); + } + else { + ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); + var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; + var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); + var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); + if (headMessage) { + diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); } + reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); } } - return ok; - } - function checkInterfaceDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); - checkTypeParameters(node.typeParameters); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - checkTypeParameterListsIdentical(node, symbol); - var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 223); - if (node === firstInterfaceDecl) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - if (checkInheritedPropertiesAreIdentical(type, node.name)) { - for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { - var baseType = _a[_i]; - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + else { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + } + if (!produceDiagnostics) { + for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { + var candidate = candidates_1[_i]; + if (hasCorrectArity(node, args, candidate)) { + if (candidate.typeParameters && typeArguments) { + candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNodeNoAlias)); } - checkIndexConstraints(type); + return candidate; } } - checkObjectTypeForDuplicateDeclarations(node); } - ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { - if (!ts.isEntityNameExpression(heritageElement.expression)) { - error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + return resolveErrorCall(node); + function reportError(message, arg0, arg1, arg2) { + var errorInfo; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + if (headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); } - checkTypeReferenceNode(heritageElement); - }); - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - checkTypeForDuplicateIndexSignatures(node); - registerForUnusedIdentifiersCheck(node); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); } - } - function checkTypeAliasDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); - checkSourceElement(node.type); - } - function computeEnumMemberValues(node) { - var nodeLinks = getNodeLinks(node); - if (!(nodeLinks.flags & 16384)) { - var enumSymbol = getSymbolOfNode(node); - var enumType = getDeclaredTypeOfSymbol(enumSymbol); - var autoValue = 0; - var ambient = ts.isInAmbientContext(node); - var enumIsConst = ts.isConst(node); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (isComputedNonLiteralName(member.name)) { - error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); - } - else { - var text = getTextOfPropertyName(member.name); - if (isNumericLiteralName(text) && !isInfinityOrNaNString(text)) { - error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); - } - } - var previousEnumMemberIsNonConstant = autoValue === undefined; - var initializer = member.initializer; - if (initializer) { - autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); - } - else if (ambient && !enumIsConst) { - autoValue = undefined; - } - else if (previousEnumMemberIsNonConstant) { - error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); - } - if (autoValue !== undefined) { - getNodeLinks(member).enumMemberValue = autoValue; - autoValue++; + function chooseOverload(candidates, relation, signatureHelpTrailingComma) { + if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } + for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { + var originalCandidate = candidates_2[_i]; + if (!hasCorrectArity(node, args, originalCandidate, signatureHelpTrailingComma)) { + continue; } - } - nodeLinks.flags |= 16384; - } - function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { - var reportError = true; - var value = evalConstant(initializer); - if (reportError) { - if (value === undefined) { - if (enumIsConst) { - error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + var candidate = void 0; + var typeArgumentsAreValid = void 0; + var inferenceContext = originalCandidate.typeParameters + ? createInferenceContext(originalCandidate, false) + : undefined; + while (true) { + candidate = originalCandidate; + if (candidate.typeParameters) { + var typeArgumentTypes = void 0; + if (typeArguments) { + typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNodeNoAlias); + typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); + } + else { + inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); + typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; + typeArgumentTypes = inferenceContext.inferredTypes; + } + if (!typeArgumentsAreValid) { + break; + } + candidate = getSignatureInstantiation(candidate, typeArgumentTypes); } - else if (ambient) { - error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { + break; } - else { - checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); + var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; + if (index < 0) { + return candidate; } + excludeArgument[index] = false; } - else if (enumIsConst) { - if (isNaN(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + if (originalCandidate.typeParameters) { + var instantiatedCandidate = candidate; + if (typeArgumentsAreValid) { + candidateForArgumentError = instantiatedCandidate; } - else if (!isFinite(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + else { + candidateForTypeArgumentError = originalCandidate; + if (!typeArguments) { + resultOfFailedInference = inferenceContext; + } } } + else { + ts.Debug.assert(originalCandidate === candidate); + candidateForArgumentError = originalCandidate; + } } - return value; - function evalConstant(e) { - switch (e.kind) { - case 186: - var value_1 = evalConstant(e.operand); - if (value_1 === undefined) { - return undefined; - } - switch (e.operator) { - case 36: return value_1; - case 37: return -value_1; - case 51: return ~value_1; - } - return undefined; - case 188: - var left = evalConstant(e.left); - if (left === undefined) { - return undefined; - } - var right = evalConstant(e.right); - if (right === undefined) { - return undefined; - } - switch (e.operatorToken.kind) { - case 48: return left | right; - case 47: return left & right; - case 45: return left >> right; - case 46: return left >>> right; - case 44: return left << right; - case 49: return left ^ right; - case 38: return left * right; - case 40: return left / right; - case 36: return left + right; - case 37: return left - right; - case 41: return left % right; - } - return undefined; - case 8: - return +e.text; - case 179: - return evalConstant(e.expression); - case 70: - case 174: - case 173: - var member = initializer.parent; - var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); - var enumType_1; - var propertyName = void 0; - if (e.kind === 70) { - enumType_1 = currentType; - propertyName = e.text; - } - else { - var expression = void 0; - if (e.kind === 174) { - if (e.argumentExpression === undefined || - e.argumentExpression.kind !== 9) { - return undefined; - } - expression = e.expression; - propertyName = e.argumentExpression.text; - } - else { - expression = e.expression; - propertyName = e.name.text; - } - var current = expression; - while (current) { - if (current.kind === 70) { - break; - } - else if (current.kind === 173) { - current = current.expression; - } - else { - return undefined; - } - } - enumType_1 = checkExpression(expression); - if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { - return undefined; - } - } - if (propertyName === undefined) { - return undefined; - } - var property = getPropertyOfObjectType(enumType_1, propertyName); - if (!property || !(property.flags & 8)) { - return undefined; - } - var propertyDecl = property.valueDeclaration; - if (member === propertyDecl) { - return undefined; - } - if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { - reportError = false; - error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); - return undefined; - } - return getNodeLinks(propertyDecl).enumMemberValue; + return undefined; + } + } + function resolveCallExpression(node, candidatesOutArray) { + if (node.expression.kind === 96) { + var superType = checkSuperExpression(node.expression); + if (superType !== unknownType) { + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); + if (baseTypeNode) { + var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); + return resolveCall(node, baseConstructors, candidatesOutArray); } } + return resolveUntypedCall(node); + } + var funcType = checkNonNullExpression(node.expression); + if (funcType === silentNeverType) { + return silentNeverSignature; + } + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { + if (funcType !== unknownType && node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + if (constructSignatures.length) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + } + else { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + } + return resolveErrorCall(node); } + return resolveCall(node, callSignatures, candidatesOutArray); } - function checkEnumDeclaration(node) { - if (!produceDiagnostics) { - return; + function isUntypedFunctionCall(funcType, apparentFuncType, numCallSignatures, numConstructSignatures) { + if (isTypeAny(funcType)) { + return true; } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - computeEnumMemberValues(node); - var enumIsConst = ts.isConst(node); - if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { - error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + if (isTypeAny(apparentFuncType) && funcType.flags & 16384) { + return true; } - var enumSymbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); - if (node === firstDeclaration) { - if (enumSymbol.declarations.length > 1) { - ts.forEach(enumSymbol.declarations, function (decl) { - if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { - error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); - } - }); + if (!numCallSignatures && !numConstructSignatures) { + if (funcType.flags & 65536) { + return false; } - var seenEnumMissingInitialInitializer_1 = false; - ts.forEach(enumSymbol.declarations, function (declaration) { - if (declaration.kind !== 225) { - return false; - } - var enumDeclaration = declaration; - if (!enumDeclaration.members.length) { - return false; - } - var firstEnumMember = enumDeclaration.members[0]; - if (!firstEnumMember.initializer) { - if (seenEnumMissingInitialInitializer_1) { - error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); - } - else { - seenEnumMissingInitialInitializer_1 = true; - } - } - }); + return isTypeAssignableTo(funcType, globalFunctionType); } + return false; } - function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { - var declaration = declarations_5[_i]; - if ((declaration.kind === 222 || - (declaration.kind === 221 && ts.nodeIsPresent(declaration.body))) && - !ts.isInAmbientContext(declaration)) { - return declaration; + function resolveNewExpression(node, candidatesOutArray) { + if (node.arguments && languageVersion < 1) { + var spreadIndex = getSpreadArgumentIndex(node.arguments); + if (spreadIndex >= 0) { + error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); } } - return undefined; - } - function inSameLexicalScope(node1, node2) { - var container1 = ts.getEnclosingBlockScopeContainer(node1); - var container2 = ts.getEnclosingBlockScopeContainer(node2); - if (isGlobalSourceFile(container1)) { - return isGlobalSourceFile(container2); + var expressionType = checkNonNullExpression(node.expression); + if (expressionType === silentNeverType) { + return silentNeverSignature; } - else if (isGlobalSourceFile(container2)) { - return false; + expressionType = getApparentType(expressionType); + if (expressionType === unknownType) { + return resolveErrorCall(node); } - else { - return container1 === container2; + var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); + if (valueDecl && ts.getModifierFlags(valueDecl) & 128) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); + return resolveErrorCall(node); } - } - function checkModuleDeclaration(node) { - if (produceDiagnostics) { - var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); - var inAmbientContext = ts.isInAmbientContext(node); - if (isGlobalAugmentation && !inAmbientContext) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + if (isTypeAny(expressionType)) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); } - var isAmbientExternalModule = ts.isAmbientModule(node); - var contextErrorMessage = isAmbientExternalModule - ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file - : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; - if (checkGrammarModuleElementContext(node, contextErrorMessage)) { - return; + return resolveUntypedCall(node); + } + var constructSignatures = getSignaturesOfType(expressionType, 1); + if (constructSignatures.length) { + if (!isConstructorAccessible(node, constructSignatures[0])) { + return resolveErrorCall(node); } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { - if (!inAmbientContext && node.name.kind === 9) { - grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); - } + return resolveCall(node, constructSignatures, candidatesOutArray); + } + var callSignatures = getSignaturesOfType(expressionType, 0); + if (callSignatures.length) { + var signature = resolveCall(node, callSignatures, candidatesOutArray); + if (getReturnTypeOfSignature(signature) !== voidType) { + error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); } - if (ts.isIdentifier(node.name)) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + if (getThisTypeOfSignature(signature) === voidType) { + error(node, ts.Diagnostics.A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void); } - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - if (symbol.flags & 512 - && symbol.declarations.length > 1 - && !inAmbientContext - && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { - var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); - if (firstNonAmbientClassOrFunc) { - if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); - } - else if (node.pos < firstNonAmbientClassOrFunc.pos) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + return signature; + } + error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); + return resolveErrorCall(node); + } + function isConstructorAccessible(node, signature) { + if (!signature || !signature.declaration) { + return true; + } + var declaration = signature.declaration; + var modifiers = ts.getModifierFlags(declaration); + if (!(modifiers & 24)) { + return true; + } + var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(declaration.parent.symbol); + var declaringClass = getDeclaredTypeOfSymbol(declaration.parent.symbol); + if (!isNodeWithinClass(node, declaringClassDeclaration)) { + var containingClass = ts.getContainingClass(node); + if (containingClass) { + var containingType = getTypeOfNode(containingClass); + var baseTypes = getBaseTypes(containingType); + if (baseTypes.length) { + var baseType = baseTypes[0]; + if (modifiers & 16 && + baseType.symbol === declaration.parent.symbol) { + return true; } } - var mergedClass = ts.getDeclarationOfKind(symbol, 222); - if (mergedClass && - inSameLexicalScope(node, mergedClass)) { - getNodeLinks(node).flags |= 32768; - } } - if (isAmbientExternalModule) { - if (ts.isExternalModuleAugmentation(node)) { - var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); - if (checkBody && node.body) { - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - checkModuleAugmentationElement(statement, isGlobalAugmentation); - } - } - } - else if (isGlobalSourceFile(node.parent)) { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else if (ts.isExternalModuleNameRelative(node.name.text)) { - error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); - } - } - else { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else { - error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); - } - } + if (modifiers & 8) { + error(node, ts.Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); } - } - if (node.body) { - checkSourceElement(node.body); - if (!ts.isGlobalScopeAugmentation(node)) { - registerForUnusedIdentifiersCheck(node); + if (modifiers & 16) { + error(node, ts.Diagnostics.Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); } + return false; } + return true; } - function checkModuleAugmentationElement(node, isGlobalAugmentation) { - switch (node.kind) { - case 201: - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - checkModuleAugmentationElement(decl, isGlobalAugmentation); - } - break; - case 236: - case 237: - grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); - break; - case 230: - case 231: - grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); - break; - case 170: - case 219: - var name_22 = node.name; - if (ts.isBindingPattern(name_22)) { - for (var _b = 0, _c = name_22.elements; _b < _c.length; _b++) { - var el = _c[_b]; - checkModuleAugmentationElement(el, isGlobalAugmentation); - } - break; - } + function resolveTaggedTemplateExpression(node, candidatesOutArray) { + var tagType = checkExpression(node.tag); + var apparentType = getApparentType(tagType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isUntypedFunctionCall(tagType, apparentType, callSignatures.length, constructSignatures.length)) { + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function getDiagnosticHeadMessageForDecoratorResolution(node) { + switch (node.parent.kind) { case 222: - case 225: - case 221: - case 223: - case 226: - case 224: - if (isGlobalAugmentation) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol) { - var reportError = !(symbol.flags & 33554432); - if (!reportError) { - reportError = ts.isExternalModuleAugmentation(symbol.parent.declarations[0]); - } - } - break; + case 193: + return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; + case 143: + return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + case 146: + return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 148: + case 150: + case 151: + return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; } } - function getFirstIdentifier(node) { + function resolveDecorator(node, candidatesOutArray) { + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { + return resolveUntypedCall(node); + } + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + if (!callSignatures.length) { + var errorInfo = void 0; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, headMessage); + } + function resolveSignature(node, candidatesOutArray) { switch (node.kind) { - case 70: - return node; - case 140: - do { - node = node.left; - } while (node.kind !== 70); - return node; - case 173: - do { - node = node.expression; - } while (node.kind !== 70); - return node; + case 175: + return resolveCallExpression(node, candidatesOutArray); + case 176: + return resolveNewExpression(node, candidatesOutArray); + case 177: + return resolveTaggedTemplateExpression(node, candidatesOutArray); + case 144: + return resolveDecorator(node, candidatesOutArray); } + ts.Debug.fail("Branch in 'resolveSignature' should be unreachable."); } - function checkExternalImportOrExportDeclaration(node) { - var moduleName = ts.getExternalModuleName(node); - if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { - error(moduleName, ts.Diagnostics.String_literal_expected); + function getResolvedSignature(node, candidatesOutArray) { + var links = getNodeLinks(node); + var cached = links.resolvedSignature; + if (cached && cached !== resolvingSignature && !candidatesOutArray) { + return cached; + } + links.resolvedSignature = resolvingSignature; + var result = resolveSignature(node, candidatesOutArray); + links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached; + return result; + } + function getResolvedOrAnySignature(node) { + return getNodeLinks(node).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(node); + } + function getInferredClassType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.inferredClassType) { + links.inferredClassType = createAnonymousType(symbol, symbol.members, emptyArray, emptyArray, undefined, undefined); + } + return links.inferredClassType; + } + function checkCallExpression(node) { + checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); + var signature = getResolvedSignature(node); + if (node.expression.kind === 96) { + return voidType; + } + if (node.kind === 176) { + var declaration = signature.declaration; + if (declaration && + declaration.kind !== 149 && + declaration.kind !== 153 && + declaration.kind !== 158 && + !ts.isJSDocConstructSignature(declaration)) { + var funcSymbol = node.expression.kind === 70 ? + getResolvedSymbol(node.expression) : + checkExpression(node.expression).symbol; + if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { + return getInferredClassType(funcSymbol); + } + else if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + return anyType; + } + } + if (ts.isInJavaScriptFile(node) && isCommonJsRequire(node)) { + return resolveExternalModuleTypeByLiteral(node.arguments[0]); + } + return getReturnTypeOfSignature(signature); + } + function isCommonJsRequire(node) { + if (!ts.isRequireCall(node, true)) { return false; } - var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 256 && !inAmbientExternalModule) { - error(moduleName, node.kind === 237 ? - ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : - ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + var resolvedRequire = resolveName(node.expression, node.expression.text, 107455, undefined, undefined); + if (!resolvedRequire) { + return true; + } + if (resolvedRequire.flags & 8388608) { return false; } - if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { - if (!isTopLevelInExternalModuleAugmentation(node)) { - error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); - return false; - } + var targetDeclarationKind = resolvedRequire.flags & 16 + ? 221 + : resolvedRequire.flags & 3 + ? 219 + : 0; + if (targetDeclarationKind !== 0) { + var decl = ts.getDeclarationOfKind(resolvedRequire, targetDeclarationKind); + return ts.isInAmbientContext(decl); } - return true; + return false; } - function checkAliasSymbol(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target !== unknownSymbol) { - var excludedMeanings = (symbol.flags & (107455 | 1048576) ? 107455 : 0) | - (symbol.flags & 793064 ? 793064 : 0) | - (symbol.flags & 1920 ? 1920 : 0); - if (target.flags & excludedMeanings) { - var message = node.kind === 239 ? - ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : - ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; - error(node, message, symbolToString(symbol)); + function checkTaggedTemplateExpression(node) { + return getReturnTypeOfSignature(getResolvedSignature(node)); + } + function checkAssertion(node) { + var exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(checkExpression(node.expression))); + checkSourceElement(node.type); + var targetType = getTypeFromTypeNode(node.type); + if (produceDiagnostics && targetType !== unknownType) { + var widenedType = getWidenedType(exprType); + if (!isTypeComparableTo(targetType, widenedType)) { + checkTypeComparableTo(exprType, targetType, node, ts.Diagnostics.Type_0_cannot_be_converted_to_type_1); } } + return targetType; } - function checkImportBinding(node) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkAliasSymbol(node); + function checkNonNullAssertion(node) { + return getNonNullableType(checkExpression(node.expression)); } - function checkImportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; + function getTypeOfParameter(symbol) { + var type = getTypeOfSymbol(symbol); + if (strictNullChecks) { + var declaration = symbol.valueDeclaration; + if (declaration && declaration.initializer) { + return includeFalsyTypes(type, 2048); + } } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + return type; + } + function getTypeAtPosition(signature, pos) { + return signature.hasRestParameter ? + pos < signature.parameters.length - 1 ? getTypeOfParameter(signature.parameters[pos]) : getRestTypeOfSignature(signature) : + pos < signature.parameters.length ? getTypeOfParameter(signature.parameters[pos]) : anyType; + } + function assignContextualParameterTypes(signature, context, mapper) { + var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); + if (isInferentialContext(mapper)) { + for (var i = 0; i < len; i++) { + var declaration = signature.parameters[i].valueDeclaration; + if (declaration.type) { + inferTypes(mapper.context, getTypeFromTypeNode(declaration.type), getTypeAtPosition(context, i)); + } + } } - if (checkExternalImportOrExportDeclaration(node)) { - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - checkImportBinding(importClause); + if (context.thisParameter) { + var parameter = signature.thisParameter; + if (!parameter || parameter.valueDeclaration && !parameter.valueDeclaration.type) { + if (!parameter) { + signature.thisParameter = createTransientSymbol(context.thisParameter, undefined); } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 233) { - checkImportBinding(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, checkImportBinding); + assignTypeToParameterAndFixTypeParameters(signature.thisParameter, getTypeOfSymbol(context.thisParameter), mapper); + } + } + for (var i = 0; i < len; i++) { + var parameter = signature.parameters[i]; + if (!parameter.valueDeclaration.type) { + var contextualParameterType = getTypeAtPosition(context, i); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { + var parameter = ts.lastOrUndefined(signature.parameters); + if (!parameter.valueDeclaration.type) { + var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + } + function assignBindingElementTypes(node) { + if (ts.isBindingPattern(node.name)) { + for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + if (element.name.kind === 70) { + getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); } + assignBindingElementTypes(element); } } } } - function checkImportEqualsDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; + function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { + var links = getSymbolLinks(parameter); + if (!links.type) { + links.type = instantiateType(contextualType, mapper); + if (links.type === emptyObjectType && + (parameter.valueDeclaration.name.kind === 168 || + parameter.valueDeclaration.name.kind === 169)) { + links.type = getTypeFromBindingPattern(parameter.valueDeclaration.name); + } + assignBindingElementTypes(parameter.valueDeclaration); + } + else if (isInferentialContext(mapper)) { + inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + } + } + function getReturnTypeFromJSDocComment(func) { + var returnTag = ts.getJSDocReturnTag(func); + if (returnTag && returnTag.typeExpression) { + return getTypeFromTypeNode(returnTag.typeExpression.type); + } + return undefined; + } + function createPromiseType(promisedType) { + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType !== emptyGenericType) { + promisedType = getAwaitedType(promisedType); + return createTypeReference(globalPromiseType, [promisedType]); } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { - checkImportBinding(node); - if (ts.getModifierFlags(node) & 1) { - markExportAsReferenced(node); + return emptyObjectType; + } + function createPromiseReturnType(func, promisedType) { + var promiseType = createPromiseType(promisedType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + function getReturnTypeFromBody(func, contextualMapper) { + var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); + if (!func.body) { + return unknownType; + } + var isAsync = ts.isAsyncFunctionLike(func); + var type; + if (func.body.kind !== 200) { + type = checkExpressionCached(func.body, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); } - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - var target = resolveAlias(getSymbolOfNode(node)); - if (target !== unknownSymbol) { - if (target.flags & 107455) { - var moduleName = getFirstIdentifier(node.moduleReference); - if (!(resolveEntityName(moduleName, 107455 | 1920).flags & 1920)) { - error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); - } - } - if (target.flags & 793064) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + else { + var types = void 0; + var funcIsGenerator = !!func.asteriskToken; + if (funcIsGenerator) { + types = checkAndAggregateYieldOperandTypes(func, contextualMapper); + if (types.length === 0) { + var iterableIteratorAny = createIterableIteratorType(anyType); + if (compilerOptions.noImplicitAny) { + error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); } + return iterableIteratorAny; } } else { - if (modulekind === ts.ModuleKind.ES2015 && !ts.isInAmbientContext(node)) { - grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + types = checkAndAggregateReturnExpressionTypes(func, contextualMapper); + if (!types) { + return isAsync ? createPromiseReturnType(func, neverType) : neverType; + } + if (types.length === 0) { + return isAsync ? createPromiseReturnType(func, voidType) : voidType; } } + type = getUnionType(types, true); + if (funcIsGenerator) { + type = createIterableIteratorType(type); + } } - } - function checkExportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { - return; + if (!contextualSignature) { + reportErrorsFromWidening(func, type); } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + if (isUnitType(type) && + !(contextualSignature && + isLiteralContextualType(contextualSignature === getSignatureFromDeclaration(func) ? type : getReturnTypeOfSignature(contextualSignature)))) { + type = getWidenedLiteralType(type); } - if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { - if (node.exportClause) { - ts.forEach(node.exportClause.elements, checkExportSpecifier); - var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 256 && !inAmbientExternalModule) { - error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + var widenedType = getWidenedType(type); + return isAsync ? createPromiseReturnType(func, widenedType) : widenedType; + } + function checkAndAggregateYieldOperandTypes(func, contextualMapper) { + var aggregatedTypes = []; + ts.forEachYieldExpression(func.body, function (yieldExpression) { + var expr = yieldExpression.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (yieldExpression.asteriskToken) { + type = checkElementTypeOfIterable(type, yieldExpression.expression); } - } - else { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { - error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); } } + }); + return aggregatedTypes; + } + function isExhaustiveSwitchStatement(node) { + if (!node.possiblyExhaustive) { + return false; + } + var type = checkExpression(node.expression); + if (!isLiteralType(type)) { + return false; + } + var switchTypes = getSwitchClauseTypes(node); + if (!switchTypes.length) { + return false; } + return eachTypeContainedIn(type, switchTypes); } - function checkGrammarModuleElementContext(node, errorMessage) { - var isInAppropriateContext = node.parent.kind === 256 || node.parent.kind === 227 || node.parent.kind === 226; - if (!isInAppropriateContext) { - grammarErrorOnFirstToken(node, errorMessage); + function functionHasImplicitReturn(func) { + if (!(func.flags & 128)) { + return false; } - return !isInAppropriateContext; + var lastStatement = ts.lastOrUndefined(func.body.statements); + if (lastStatement && lastStatement.kind === 214 && isExhaustiveSwitchStatement(lastStatement)) { + return false; + } + return true; } - function checkExportSpecifier(node) { - checkAliasSymbol(node); - if (!node.parent.parent.moduleSpecifier) { - var exportedName = node.propertyName || node.name; - var symbol = resolveName(exportedName, exportedName.text, 107455 | 793064 | 1920 | 8388608, undefined, undefined); - if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { - error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, exportedName.text); + function checkAndAggregateReturnExpressionTypes(func, contextualMapper) { + var isAsync = ts.isAsyncFunctionLike(func); + var aggregatedTypes = []; + var hasReturnWithNoExpression = functionHasImplicitReturn(func); + var hasReturnOfTypeNever = false; + ts.forEachReturnStatement(func.body, function (returnStatement) { + var expr = returnStatement.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + if (type.flags & 8192) { + hasReturnOfTypeNever = true; + } + else if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } } else { - markExportAsReferenced(node); + hasReturnWithNoExpression = true; + } + }); + if (aggregatedTypes.length === 0 && !hasReturnWithNoExpression && (hasReturnOfTypeNever || + func.kind === 180 || func.kind === 181)) { + return undefined; + } + if (strictNullChecks && aggregatedTypes.length && hasReturnWithNoExpression) { + if (!ts.contains(aggregatedTypes, undefinedType)) { + aggregatedTypes.push(undefinedType); } } + return aggregatedTypes; } - function checkExportAssignment(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { + if (!produceDiagnostics) { return; } - var container = node.parent.kind === 256 ? node.parent : node.parent.parent; - if (container.kind === 226 && !ts.isAmbientModule(container)) { - error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + if (returnType && maybeTypeOfKind(returnType, 1 | 1024)) { return; } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); + if (ts.nodeIsMissing(func.body) || func.body.kind !== 200 || !functionHasImplicitReturn(func)) { + return; } - if (node.expression.kind === 70) { - markExportAsReferenced(node); + var hasExplicitReturn = func.flags & 256; + if (returnType && returnType.flags & 8192) { + error(func.type, ts.Diagnostics.A_function_returning_never_cannot_have_a_reachable_end_point); } - else { - checkExpressionCached(node.expression); + else if (returnType && !hasExplicitReturn) { + error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); } - checkExternalModuleExports(container); - if (node.isExportEquals && !ts.isInAmbientContext(node)) { - if (modulekind === ts.ModuleKind.ES2015) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead); - } - else if (modulekind === ts.ModuleKind.System) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); - } + else if (returnType && strictNullChecks && !isTypeAssignableTo(undefinedType, returnType)) { + error(func.type, ts.Diagnostics.Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined); } - } - function hasExportedMembers(moduleSymbol) { - for (var id in moduleSymbol.exports) { - if (id !== "export=") { - return true; + else if (compilerOptions.noImplicitReturns) { + if (!returnType) { + if (!hasExplicitReturn) { + return; + } + var inferredReturnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func)); + if (isUnwrappedReturnTypeVoidOrAny(func, inferredReturnType)) { + return; + } } + error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); } - return false; } - function checkExternalModuleExports(node) { - var moduleSymbol = getSymbolOfNode(node); - var links = getSymbolLinks(moduleSymbol); - if (!links.exportsChecked) { - var exportEqualsSymbol = moduleSymbol.exports["export="]; - if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { - var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; - if (!isTopLevelInExternalModuleAugmentation(declaration)) { - error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); - } - } - var exports_1 = getExportsOfModule(moduleSymbol); - for (var id in exports_1) { - if (id === "__export") { - continue; - } - var _a = exports_1[id], declarations = _a.declarations, flags = _a.flags; - if (flags & (1920 | 64 | 384)) { - continue; - } - var exportedDeclarationsCount = ts.countWhere(declarations, isNotOverload); - if (flags & 524288 && exportedDeclarationsCount <= 2) { - continue; - } - if (exportedDeclarationsCount > 1) { - for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { - var declaration = declarations_6[_i]; - if (isNotOverload(declaration)) { - diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); + if (!hasGrammarError && node.kind === 180) { + checkGrammarForGenerator(node); + } + if (contextualMapper === identityMapper && isContextSensitive(node)) { + checkNodeDeferred(node); + return anyFunctionType; + } + var links = getNodeLinks(node); + var type = getTypeOfSymbol(node.symbol); + var contextSensitive = isContextSensitive(node); + var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); + if (mightFixTypeParameters || !(links.flags & 1024)) { + var contextualSignature = getContextualSignature(node); + var contextChecked = !!(links.flags & 1024); + if (mightFixTypeParameters || !contextChecked) { + links.flags |= 1024; + if (contextualSignature) { + var signature = getSignaturesOfType(type, 0)[0]; + if (contextSensitive) { + assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); + } + if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { + var returnType = getReturnTypeFromBody(node, contextualMapper); + if (!signature.resolvedReturnType) { + signature.resolvedReturnType = returnType; } } } + if (!contextChecked) { + checkSignatureDeclaration(node); + checkNodeDeferred(node); + } } - links.exportsChecked = true; } - function isNotOverload(declaration) { - return (declaration.kind !== 221 && declaration.kind !== 148) || - !!declaration.body; + if (produceDiagnostics && node.kind !== 148) { + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); } + return type; } - function checkSourceElement(node) { - if (!node) { - return; + function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + var isAsync = ts.isAsyncFunctionLike(node); + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + if (!node.asteriskToken) { + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); } - var kind = node.kind; - if (cancellationToken) { - switch (kind) { - case 226: - case 222: - case 223: - case 221: - cancellationToken.throwIfCancellationRequested(); + if (node.body) { + if (!node.type) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + if (node.body.kind === 200) { + checkSourceElement(node.body); + } + else { + var exprType = checkExpression(node.body); + if (returnOrPromisedType) { + if (isAsync) { + var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); + checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); + } + else { + checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); + } + } } + registerForUnusedIdentifiersCheck(node); } - switch (kind) { - case 142: - return checkTypeParameter(node); - case 143: - return checkParameter(node); - case 146: - case 145: - return checkPropertyDeclaration(node); - case 157: - case 158: - case 152: - case 153: - return checkSignatureDeclaration(node); - case 154: - return checkSignatureDeclaration(node); - case 148: - case 147: - return checkMethodDeclaration(node); - case 149: - return checkConstructorDeclaration(node); - case 150: - case 151: - return checkAccessorDeclaration(node); - case 156: - return checkTypeReferenceNode(node); - case 155: - return checkTypePredicate(node); - case 159: - return checkTypeQuery(node); - case 160: - return checkTypeLiteral(node); - case 161: - return checkArrayType(node); - case 162: - return checkTupleType(node); - case 163: - case 164: - return checkUnionOrIntersectionType(node); - case 165: - return checkSourceElement(node.type); - case 221: - return checkFunctionDeclaration(node); - case 200: - case 227: - return checkBlock(node); - case 201: - return checkVariableStatement(node); - case 203: - return checkExpressionStatement(node); - case 204: - return checkIfStatement(node); - case 205: - return checkDoStatement(node); - case 206: - return checkWhileStatement(node); - case 207: - return checkForStatement(node); - case 208: - return checkForInStatement(node); - case 209: - return checkForOfStatement(node); - case 210: - case 211: - return checkBreakOrContinueStatement(node); - case 212: - return checkReturnStatement(node); - case 213: - return checkWithStatement(node); - case 214: - return checkSwitchStatement(node); - case 215: - return checkLabeledStatement(node); - case 216: - return checkThrowStatement(node); - case 217: - return checkTryStatement(node); - case 219: - return checkVariableDeclaration(node); - case 170: - return checkBindingElement(node); - case 222: - return checkClassDeclaration(node); - case 223: - return checkInterfaceDeclaration(node); - case 224: - return checkTypeAliasDeclaration(node); - case 225: - return checkEnumDeclaration(node); - case 226: - return checkModuleDeclaration(node); - case 231: - return checkImportDeclaration(node); - case 230: - return checkImportEqualsDeclaration(node); - case 237: - return checkExportDeclaration(node); - case 236: - return checkExportAssignment(node); - case 202: - checkGrammarStatementInAmbientContext(node); - return; - case 218: - checkGrammarStatementInAmbientContext(node); - return; - case 240: - return checkMissingDeclaration(node); + } + function checkArithmeticOperandType(operand, type, diagnostic) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 340)) { + error(operand, diagnostic); + return false; } + return true; } - function checkNodeDeferred(node) { - if (deferredNodes) { - deferredNodes.push(node); + function isReadonlySymbol(symbol) { + return symbol.isReadonly || + symbol.flags & 4 && (getDeclarationModifierFlagsFromSymbol(symbol) & 64) !== 0 || + symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 || + symbol.flags & 98304 && !(symbol.flags & 65536) || + (symbol.flags & 8) !== 0; + } + function isReferenceToReadonlyEntity(expr, symbol) { + if (isReadonlySymbol(symbol)) { + if (symbol.flags & 4 && + (expr.kind === 173 || expr.kind === 174) && + expr.expression.kind === 98) { + var func = ts.getContainingFunction(expr); + if (!(func && func.kind === 149)) + return true; + return !(func.parent === symbol.valueDeclaration.parent || func === symbol.valueDeclaration.parent); + } + return true; } + return false; } - function checkDeferredNodes() { - for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { - var node = deferredNodes_1[_i]; - switch (node.kind) { - case 180: - case 181: - case 148: - case 147: - checkFunctionExpressionOrObjectLiteralMethodDeferred(node); - break; - case 150: - case 151: - checkAccessorDeferred(node); - break; - case 193: - checkClassExpressionDeferred(node); - break; + function isReferenceThroughNamespaceImport(expr) { + if (expr.kind === 173 || expr.kind === 174) { + var node = skipParenthesizedNodes(expr.expression); + if (node.kind === 70) { + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol.flags & 8388608) { + var declaration = getDeclarationOfAliasSymbol(symbol); + return declaration && declaration.kind === 233; + } + } + } + return false; + } + function checkReferenceExpression(expr, invalidReferenceMessage, constantVariableMessage) { + var node = skipParenthesizedNodes(expr); + if (node.kind !== 70 && node.kind !== 173 && node.kind !== 174) { + error(expr, invalidReferenceMessage); + return false; + } + var links = getNodeLinks(node); + var symbol = getExportSymbolOfValueSymbolIfExported(links.resolvedSymbol); + if (symbol) { + if (symbol !== unknownSymbol && symbol !== argumentsSymbol) { + if (node.kind === 70 && !(symbol.flags & 3)) { + error(expr, invalidReferenceMessage); + return false; + } + if (isReferenceToReadonlyEntity(node, symbol) || isReferenceThroughNamespaceImport(node)) { + error(expr, constantVariableMessage); + return false; + } + } + } + else if (node.kind === 174) { + if (links.resolvedIndexInfo && links.resolvedIndexInfo.isReadonly) { + error(expr, constantVariableMessage); + return false; } } + return true; } - function checkSourceFile(node) { - ts.performance.mark("beforeCheck"); - checkSourceFileWorker(node); - ts.performance.mark("afterCheck"); - ts.performance.measure("Check", "beforeCheck", "afterCheck"); + function checkDeleteExpression(node) { + checkExpression(node.expression); + return booleanType; } - function checkSourceFileWorker(node) { - var links = getNodeLinks(node); - if (!(links.flags & 1)) { - if (compilerOptions.skipLibCheck && node.isDeclarationFile || compilerOptions.skipDefaultLibCheck && node.hasNoDefaultLib) { - return; - } - checkGrammarSourceFile(node); - potentialThisCollisions.length = 0; - deferredNodes = []; - deferredUnusedIdentifierNodes = produceDiagnostics && noUnusedIdentifiers ? [] : undefined; - ts.forEach(node.statements, checkSourceElement); - checkDeferredNodes(); - if (ts.isExternalModule(node)) { - registerForUnusedIdentifiersCheck(node); - } - if (!node.isDeclarationFile) { - checkUnusedIdentifiers(); - } - deferredNodes = undefined; - deferredUnusedIdentifierNodes = undefined; - if (ts.isExternalOrCommonJsModule(node)) { - checkExternalModuleExports(node); + function checkTypeOfExpression(node) { + checkExpression(node.expression); + return stringType; + } + function checkVoidExpression(node) { + checkExpression(node.expression); + return undefinedWideningType; + } + function checkAwaitExpression(node) { + if (produceDiagnostics) { + if (!(node.flags & 262144)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); } - if (potentialThisCollisions.length) { - ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); - potentialThisCollisions.length = 0; + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); } - links.flags |= 1; } + var operandType = checkExpression(node.expression); + return checkAwaitedType(operandType, node); } - function getDiagnostics(sourceFile, ct) { - try { - cancellationToken = ct; - return getDiagnosticsWorker(sourceFile); + function checkPrefixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + if (operandType === silentNeverType) { + return silentNeverType; } - finally { - cancellationToken = undefined; + if (node.operator === 37 && node.operand.kind === 8) { + return getFreshTypeOfLiteralType(getLiteralTypeForText(64, "" + -node.operand.text)); } - } - function getDiagnosticsWorker(sourceFile) { - throwIfNonDiagnosticsProducing(); - if (sourceFile) { - checkSourceFile(sourceFile); - return diagnostics.getDiagnostics(sourceFile.fileName); + switch (node.operator) { + case 36: + case 37: + case 51: + if (maybeTypeOfKind(operandType, 512)) { + error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); + } + return numberType; + case 50: + var facts = getTypeFacts(operandType) & (1048576 | 2097152); + return facts === 1048576 ? falseType : + facts === 2097152 ? trueType : + booleanType; + case 42: + case 43: + var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); + } + return numberType; } - ts.forEach(host.getSourceFiles(), checkSourceFile); - return diagnostics.getDiagnostics(); - } - function getGlobalDiagnostics() { - throwIfNonDiagnosticsProducing(); - return diagnostics.getGlobalDiagnostics(); + return unknownType; } - function throwIfNonDiagnosticsProducing() { - if (!produceDiagnostics) { - throw new Error("Trying to get diagnostics from a type checker that does not produce them."); + function checkPostfixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + if (operandType === silentNeverType) { + return silentNeverType; } + var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); + } + return numberType; } - function isInsideWithStatementBody(node) { - if (node) { - while (node.parent) { - if (node.parent.kind === 213 && node.parent.statement === node) { + function maybeTypeOfKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 196608) { + var types = type.types; + for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { + var t = types_15[_i]; + if (maybeTypeOfKind(t, kind)) { return true; } - node = node.parent; } } return false; } - function getSymbolsInScope(location, meaning) { - var symbols = ts.createMap(); - var memberFlags = 0; - if (isInsideWithStatementBody(location)) { - return []; - } - populateSymbols(); - return symbolsToArray(symbols); - function populateSymbols() { - while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - copySymbols(location.locals, meaning); - } - switch (location.kind) { - case 256: - if (!ts.isExternalOrCommonJsModule(location)) { - break; - } - case 226: - copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); - break; - case 225: - copySymbols(getSymbolOfNode(location).exports, meaning & 8); - break; - case 193: - var className = location.name; - if (className) { - copySymbol(location.symbol, meaning); - } - case 222: - case 223: - if (!(memberFlags & 32)) { - copySymbols(getSymbolOfNode(location).members, meaning & 793064); - } - break; - case 180: - var funcName = location.name; - if (funcName) { - copySymbol(location.symbol, meaning); - } - break; - } - if (ts.introducesArgumentsExoticObject(location)) { - copySymbol(argumentsSymbol, meaning); - } - memberFlags = ts.getModifierFlags(location); - location = location.parent; - } - copySymbols(globals, meaning); + function isTypeOfKind(type, kind) { + if (type.flags & kind) { + return true; } - function copySymbol(symbol, meaning) { - if (symbol.flags & meaning) { - var id = symbol.name; - if (!symbols[id]) { - symbols[id] = symbol; + if (type.flags & 65536) { + var types = type.types; + for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { + var t = types_16[_i]; + if (!isTypeOfKind(t, kind)) { + return false; } } + return true; } - function copySymbols(source, meaning) { - if (meaning) { - for (var id in source) { - var symbol = source[id]; - copySymbol(symbol, meaning); + if (type.flags & 131072) { + var types = type.types; + for (var _a = 0, types_17 = types; _a < types_17.length; _a++) { + var t = types_17[_a]; + if (isTypeOfKind(t, kind)) { + return true; } } } + return false; } - function isTypeDeclarationName(name) { - return name.kind === 70 && - isTypeDeclaration(name.parent) && - name.parent.name === name; + function isConstEnumObjectType(type) { + return getObjectFlags(type) & 16 && type.symbol && isConstEnumSymbol(type.symbol); } - function isTypeDeclaration(node) { - switch (node.kind) { - case 142: - case 222: - case 223: - case 224: - case 225: - return true; - } + function isConstEnumSymbol(symbol) { + return (symbol.flags & 128) !== 0; } - function isTypeReferenceIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 140) { - node = node.parent; + function checkInstanceOfExpression(left, right, leftType, rightType) { + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; } - return node.parent && (node.parent.kind === 156 || node.parent.kind === 267); - } - function isHeritageClauseElementIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 173) { - node = node.parent; + if (isTypeOfKind(leftType, 8190)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); } - return node.parent && node.parent.kind === 195; - } - function forEachEnclosingClass(node, callback) { - var result; - while (true) { - node = ts.getContainingClass(node); - if (!node) - break; - if (result = callback(node)) - break; + if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); } - return result; - } - function isNodeWithinClass(node, classDeclaration) { - return !!forEachEnclosingClass(node, function (n) { return n === classDeclaration; }); + return booleanType; } - function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { - while (nodeOnRightSide.parent.kind === 140) { - nodeOnRightSide = nodeOnRightSide.parent; + function checkInExpression(left, right, leftType, rightType) { + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; } - if (nodeOnRightSide.parent.kind === 230) { - return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; + if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 | 340 | 512)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); } - if (nodeOnRightSide.parent.kind === 236) { - return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 16384)) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); } - return undefined; - } - function isInRightSideOfImportOrExportAssignment(node) { - return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; + return booleanType; } - function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { - if (ts.isDeclarationName(entityName)) { - return getSymbolOfNode(entityName.parent); - } - if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 173) { - var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); - switch (specialPropertyAssignmentKind) { - case 1: - case 3: - return getSymbolOfNode(entityName.parent); - case 4: - case 2: - return getSymbolOfNode(entityName.parent.parent); - default: - } - } - if (entityName.parent.kind === 236 && ts.isEntityNameExpression(entityName)) { - return resolveEntityName(entityName, 107455 | 793064 | 1920 | 8388608); - } - if (entityName.kind !== 173 && isInRightSideOfImportOrExportAssignment(entityName)) { - var importEqualsDeclaration = ts.getAncestor(entityName, 230); - ts.Debug.assert(importEqualsDeclaration !== undefined); - return getSymbolOfPartOfRightHandSideOfImportEquals(entityName, true); - } - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; + function checkObjectLiteralAssignment(node, sourceType) { + var properties = node.properties; + for (var _i = 0, properties_4 = properties; _i < properties_4.length; _i++) { + var p = properties_4[_i]; + checkObjectLiteralDestructuringPropertyAssignment(sourceType, p); } - if (isHeritageClauseElementIdentifier(entityName)) { - var meaning = 0; - if (entityName.parent.kind === 195) { - meaning = 793064; - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { - meaning |= 107455; - } - } - else { - meaning = 1920; + return sourceType; + } + function checkObjectLiteralDestructuringPropertyAssignment(objectLiteralType, property) { + if (property.kind === 253 || property.kind === 254) { + var name_20 = property.name; + if (name_20.kind === 141) { + checkComputedPropertyName(name_20); } - meaning |= 8388608; - return resolveEntityName(entityName, meaning); - } - else if (ts.isPartOfExpression(entityName)) { - if (ts.nodeIsMissing(entityName)) { + if (isComputedNonLiteralName(name_20)) { return undefined; } - if (entityName.kind === 70) { - if (ts.isJSXTagName(entityName) && isJsxIntrinsicIdentifier(entityName)) { - return getIntrinsicTagSymbol(entityName.parent); + var text = getTextOfPropertyName(name_20); + var type = isTypeAny(objectLiteralType) + ? objectLiteralType + : getTypeOfPropertyOfType(objectLiteralType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(objectLiteralType, 1) || + getIndexTypeOfType(objectLiteralType, 0); + if (type) { + if (property.kind === 254) { + return checkDestructuringAssignment(property, type); } - return resolveEntityName(entityName, 107455, false, true); - } - else if (entityName.kind === 173) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkPropertyAccessExpression(entityName); + else { + return checkDestructuringAssignment(property.initializer, type); } - return getNodeLinks(entityName).resolvedSymbol; } - else if (entityName.kind === 140) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkQualifiedName(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; + else { + error(name_20, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(objectLiteralType), ts.declarationNameToString(name_20)); } } - else if (isTypeReferenceIdentifier(entityName)) { - var meaning = (entityName.parent.kind === 156 || entityName.parent.kind === 267) ? 793064 : 1920; - return resolveEntityName(entityName, meaning, false, true); - } - else if (entityName.parent.kind === 246) { - return getJsxAttributePropertySymbol(entityName.parent); - } - if (entityName.parent.kind === 155) { - return resolveEntityName(entityName, 1); + else { + error(property, ts.Diagnostics.Property_assignment_expected); } - return undefined; } - function getSymbolAtLocation(node) { - if (node.kind === 256) { - return ts.isExternalModule(node) ? getMergedSymbol(node.symbol) : undefined; - } - if (isInsideWithStatementBody(node)) { - return undefined; - } - if (ts.isDeclarationName(node)) { - return getSymbolOfNode(node.parent); - } - else if (ts.isLiteralComputedPropertyDeclarationName(node)) { - return getSymbolOfNode(node.parent.parent); + function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { + var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; + var elements = node.elements; + for (var i = 0; i < elements.length; i++) { + checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, elementType, contextualMapper); } - if (node.kind === 70) { - if (isInRightSideOfImportOrExportAssignment(node)) { - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - } - else if (node.parent.kind === 170 && - node.parent.parent.kind === 168 && - node === node.parent.propertyName) { - var typeOfPattern = getTypeOfNode(node.parent.parent); - var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); - if (propertyDeclaration) { - return propertyDeclaration; + return sourceType; + } + function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, contextualMapper) { + var elements = node.elements; + var element = elements[elementIndex]; + if (element.kind !== 194) { + if (element.kind !== 192) { + var propName = "" + elementIndex; + var type = isTypeAny(sourceType) + ? sourceType + : isTupleLikeType(sourceType) + ? getTypeOfPropertyOfType(sourceType, propName) + : elementType; + if (type) { + return checkDestructuringAssignment(element, type, contextualMapper); } - } - } - switch (node.kind) { - case 70: - case 173: - case 140: - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - case 98: - var container = ts.getThisContainer(node, false); - if (ts.isFunctionLike(container)) { - var sig = getSignatureFromDeclaration(container); - if (sig.thisParameter) { - return sig.thisParameter; + else { + checkExpression(element); + if (isTupleType(sourceType)) { + error(element, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), getTypeReferenceArity(sourceType), elements.length); + } + else { + error(element, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); } } - case 96: - var type = ts.isPartOfExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); - return type.symbol; - case 166: - return getTypeFromTypeNode(node).symbol; - case 122: - var constructorDeclaration = node.parent; - if (constructorDeclaration && constructorDeclaration.kind === 149) { - return constructorDeclaration.parent.symbol; - } - return undefined; - case 9: - if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || - ((node.parent.kind === 231 || node.parent.kind === 237) && - node.parent.moduleSpecifier === node)) { - return resolveExternalModuleName(node, node); - } - if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node.parent, false)) { - return resolveExternalModuleName(node, node); + } + else { + if (elementIndex < elements.length - 1) { + error(element, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); } - case 8: - if (node.parent.kind === 174 && node.parent.argumentExpression === node) { - var objectType = checkExpression(node.parent.expression); - if (objectType === unknownType) - return undefined; - var apparentType = getApparentType(objectType); - if (apparentType === unknownType) - return undefined; - return getPropertyOfType(apparentType, node.text); + else { + var restExpression = element.expression; + if (restExpression.kind === 188 && restExpression.operatorToken.kind === 57) { + error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + else { + return checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + } } - break; - } - return undefined; - } - function getShorthandAssignmentValueSymbol(location) { - if (location && location.kind === 254) { - return resolveEntityName(location.name, 107455 | 8388608); + } } return undefined; } - function getExportSpecifierLocalTargetSymbol(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920 | 8388608); - } - function getTypeOfNode(node) { - if (isInsideWithStatementBody(node)) { - return unknownType; - } - if (ts.isPartOfTypeNode(node)) { - return getTypeFromTypeNode(node); - } - if (ts.isPartOfExpression(node)) { - return getTypeOfExpression(node); - } - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { - return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; - } - if (isTypeDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getDeclaredTypeOfSymbol(symbol); - } - if (isTypeDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - } - if (ts.isDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getTypeOfSymbol(symbol); - } - if (ts.isDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getTypeOfSymbol(symbol); - } - if (ts.isBindingPattern(node)) { - return getTypeForVariableLikeDeclaration(node.parent, true); + function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { + var target; + if (exprOrAssignment.kind === 254) { + var prop = exprOrAssignment; + if (prop.objectAssignmentInitializer) { + if (strictNullChecks && + !(getFalsyFlags(checkExpression(prop.objectAssignmentInitializer)) & 2048)) { + sourceType = getTypeWithFacts(sourceType, 131072); + } + checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + } + target = exprOrAssignment.name; } - if (isInRightSideOfImportOrExportAssignment(node)) { - var symbol = getSymbolAtLocation(node); - var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); - return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + else { + target = exprOrAssignment; } - return unknownType; - } - function getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr) { - ts.Debug.assert(expr.kind === 172 || expr.kind === 171); - if (expr.parent.kind === 209) { - var iteratedType = checkRightHandSideOfForOf(expr.parent.expression); - return checkDestructuringAssignment(expr, iteratedType || unknownType); + if (target.kind === 188 && target.operatorToken.kind === 57) { + checkBinaryExpression(target, contextualMapper); + target = target.left; } - if (expr.parent.kind === 188) { - var iteratedType = checkExpression(expr.parent.right); - return checkDestructuringAssignment(expr, iteratedType || unknownType); + if (target.kind === 172) { + return checkObjectLiteralAssignment(target, sourceType); } - if (expr.parent.kind === 253) { - var typeOfParentObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent.parent); - return checkObjectLiteralDestructuringPropertyAssignment(typeOfParentObjectLiteral || unknownType, expr.parent); + if (target.kind === 171) { + return checkArrayLiteralAssignment(target, sourceType, contextualMapper); } - ts.Debug.assert(expr.parent.kind === 171); - var typeOfArrayLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent); - var elementType = checkIteratedTypeOrElementType(typeOfArrayLiteral || unknownType, expr.parent, false) || unknownType; - return checkArrayLiteralDestructuringElementAssignment(expr.parent, typeOfArrayLiteral, ts.indexOf(expr.parent.elements, expr), elementType || unknownType); - } - function getPropertySymbolOfDestructuringAssignment(location) { - var typeOfObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(location.parent.parent); - return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.text); + return checkReferenceAssignment(target, sourceType, contextualMapper); } - function getTypeOfExpression(expr) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { - expr = expr.parent; + function checkReferenceAssignment(target, sourceType, contextualMapper) { + var targetType = checkExpression(target, contextualMapper); + if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property)) { + checkTypeAssignableTo(sourceType, targetType, target, undefined); } - return getRegularTypeOfLiteralType(checkExpression(expr)); - } - function getParentTypeOfClassElement(node) { - var classSymbol = getSymbolOfNode(node.parent); - return ts.getModifierFlags(node) & 32 - ? getTypeOfSymbol(classSymbol) - : getDeclaredTypeOfSymbol(classSymbol); + return sourceType; } - function getAugmentedPropertiesOfType(type) { - type = getApparentType(type); - var propsByName = createSymbolTable(getPropertiesOfType(type)); - if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { - ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { - if (!propsByName[p.name]) { - propsByName[p.name] = p; + function isSideEffectFree(node) { + node = ts.skipParentheses(node); + switch (node.kind) { + case 70: + case 9: + case 11: + case 177: + case 190: + case 12: + case 8: + case 100: + case 85: + case 94: + case 136: + case 180: + case 193: + case 181: + case 171: + case 172: + case 183: + case 197: + case 243: + case 242: + return true; + case 189: + return isSideEffectFree(node.whenTrue) && + isSideEffectFree(node.whenFalse); + case 188: + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return false; } - }); - } - return getNamedMembers(propsByName); - } - function getRootSymbols(symbol) { - if (symbol.flags & 268435456) { - var symbols_3 = []; - var name_23 = symbol.name; - ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { - var symbol = getPropertyOfType(t, name_23); - if (symbol) { - symbols_3.push(symbol); + return isSideEffectFree(node.left) && + isSideEffectFree(node.right); + case 186: + case 187: + switch (node.operator) { + case 50: + case 36: + case 37: + case 51: + return true; } - }); - return symbols_3; - } - else if (symbol.flags & 67108864) { - var target = void 0; - var next = symbol; - while (next = getSymbolLinks(next).target) { - target = next; - } - if (target) { - return [target]; - } + return false; + case 184: + case 178: + case 196: + default: + return false; } - return [symbol]; } - function isArgumentsLocalBinding(node) { - if (!ts.isGeneratedIdentifier(node)) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - return getReferencedValueSymbol(node) === argumentsSymbol; - } - } - return false; + function isTypeEqualityComparableTo(source, target) { + return (target.flags & 6144) !== 0 || isTypeComparableTo(source, target); } - function moduleExportsSomeValue(moduleReferenceExpression) { - var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); - if (!moduleSymbol || ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { - return true; - } - var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - var symbolLinks = getSymbolLinks(moduleSymbol); - if (symbolLinks.exportsSomeValue === undefined) { - symbolLinks.exportsSomeValue = hasExportAssignment - ? !!(moduleSymbol.flags & 107455) - : ts.forEachProperty(getExportsOfModule(moduleSymbol), isValue); - } - return symbolLinks.exportsSomeValue; - function isValue(s) { - s = resolveSymbol(s); - return s && !!(s.flags & 107455); - } + function getBestChoiceType(type1, type2) { + var firstAssignableToSecond = isTypeAssignableTo(type1, type2); + var secondAssignableToFirst = isTypeAssignableTo(type2, type1); + return secondAssignableToFirst && !firstAssignableToSecond ? type1 : + firstAssignableToSecond && !secondAssignableToFirst ? type2 : + getUnionType([type1, type2], true); } - function isNameOfModuleOrEnumDeclaration(node) { - var parent = node.parent; - return ts.isModuleOrEnumDeclaration(parent) && node === parent.name; + function checkBinaryExpression(node, contextualMapper) { + return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); } - function getReferencedExportContainer(node, prefixLocals) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - var symbol = getReferencedValueSymbol(node, isNameOfModuleOrEnumDeclaration(node)); - if (symbol) { - if (symbol.flags & 1048576) { - var exportSymbol = getMergedSymbol(symbol.exportSymbol); - if (!prefixLocals && exportSymbol.flags & 944) { - return undefined; + function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { + var operator = operatorToken.kind; + if (operator === 57 && (left.kind === 172 || left.kind === 171)) { + return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + } + var leftType = checkExpression(left, contextualMapper); + var rightType = checkExpression(right, contextualMapper); + switch (operator) { + case 38: + case 39: + case 60: + case 61: + case 40: + case 62: + case 41: + case 63: + case 37: + case 59: + case 44: + case 64: + case 45: + case 65: + case 46: + case 66: + case 48: + case 68: + case 49: + case 69: + case 47: + case 67: + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + if (leftType.flags & 6144) + leftType = rightType; + if (rightType.flags & 6144) + rightType = leftType; + leftType = getNonNullableType(leftType); + rightType = getNonNullableType(rightType); + var suggestedOperator = void 0; + if ((leftType.flags & 136) && + (rightType.flags & 136) && + (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { + error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + else { + var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + if (leftOk && rightOk) { + checkAssignmentOperator(numberType); } - symbol = exportSymbol; } - var parentSymbol = getParentOfSymbol(symbol); - if (parentSymbol) { - if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 256) { - var symbolFile = parentSymbol.valueDeclaration; - var referenceFile = ts.getSourceFileOfNode(node); - var symbolIsUmdExport = symbolFile !== referenceFile; - return symbolIsUmdExport ? undefined : symbolFile; + return numberType; + case 36: + case 58: + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + if (leftType.flags & 6144) + leftType = rightType; + if (rightType.flags & 6144) + rightType = leftType; + leftType = getNonNullableType(leftType); + rightType = getNonNullableType(rightType); + var resultType = void 0; + if (isTypeOfKind(leftType, 340) && isTypeOfKind(rightType, 340)) { + resultType = numberType; + } + else { + if (isTypeOfKind(leftType, 34) || isTypeOfKind(rightType, 34)) { + resultType = stringType; } - for (var n = node.parent; n; n = n.parent) { - if (ts.isModuleOrEnumDeclaration(n) && getSymbolOfNode(n) === parentSymbol) { - return n; - } + else if (isTypeAny(leftType) || isTypeAny(rightType)) { + resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + } + if (resultType && !checkForDisallowedESSymbolOperand(operator)) { + return resultType; + } + } + if (!resultType) { + reportOperatorError(); + return anyType; + } + if (operator === 58) { + checkAssignmentOperator(resultType); + } + return resultType; + case 26: + case 28: + case 29: + case 30: + if (checkForDisallowedESSymbolOperand(operator)) { + if (!isTypeComparableTo(leftType, rightType) && !isTypeComparableTo(rightType, leftType)) { + reportOperatorError(); } } + return booleanType; + case 31: + case 32: + case 33: + case 34: + var leftIsLiteral = isLiteralType(leftType); + var rightIsLiteral = isLiteralType(rightType); + if (!leftIsLiteral || !rightIsLiteral) { + leftType = leftIsLiteral ? getBaseTypeOfLiteralType(leftType) : leftType; + rightType = rightIsLiteral ? getBaseTypeOfLiteralType(rightType) : rightType; + } + if (!isTypeEqualityComparableTo(leftType, rightType) && !isTypeEqualityComparableTo(rightType, leftType)) { + reportOperatorError(); + } + return booleanType; + case 92: + return checkInstanceOfExpression(left, right, leftType, rightType); + case 91: + return checkInExpression(left, right, leftType, rightType); + case 52: + return getTypeFacts(leftType) & 1048576 ? + includeFalsyTypes(rightType, getFalsyFlags(strictNullChecks ? leftType : getBaseTypeOfLiteralType(rightType))) : + leftType; + case 53: + return getTypeFacts(leftType) & 2097152 ? + getBestChoiceType(removeDefinitelyFalsyTypes(leftType), rightType) : + leftType; + case 57: + checkAssignmentOperator(rightType); + return getRegularTypeOfObjectLiteral(rightType); + case 25: + if (!compilerOptions.allowUnreachableCode && isSideEffectFree(left)) { + error(left, ts.Diagnostics.Left_side_of_comma_operator_is_unused_and_has_no_side_effects); + } + return rightType; + } + function checkForDisallowedESSymbolOperand(operator) { + var offendingSymbolOperand = maybeTypeOfKind(leftType, 512) ? left : + maybeTypeOfKind(rightType, 512) ? right : + undefined; + if (offendingSymbolOperand) { + error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); + return false; } + return true; } - } - function getReferencedImportDeclaration(node) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - var symbol = getReferencedValueSymbol(node); - if (symbol && symbol.flags & 8388608) { - return getDeclarationOfAliasSymbol(symbol); + function getSuggestedBooleanOperator(operator) { + switch (operator) { + case 48: + case 68: + return 53; + case 49: + case 69: + return 34; + case 47: + case 67: + return 52; + default: + return undefined; } } - return undefined; - } - function isSymbolOfDeclarationWithCollidingName(symbol) { - if (symbol.flags & 418) { - var links = getSymbolLinks(symbol); - if (links.isDeclarationWithCollidingName === undefined) { - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (ts.isStatementWithLocals(container)) { - var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); - if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { - links.isDeclarationWithCollidingName = true; - } - else if (nodeLinks_1.flags & 131072) { - var isDeclaredInLoop = nodeLinks_1.flags & 262144; - var inLoopInitializer = ts.isIterationStatement(container, false); - var inLoopBodyBlock = container.kind === 200 && ts.isIterationStatement(container.parent, false); - links.isDeclarationWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); - } - else { - links.isDeclarationWithCollidingName = false; - } + function checkAssignmentOperator(valueType) { + if (produceDiagnostics && operator >= 57 && operator <= 69) { + var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property); + if (ok) { + checkTypeAssignableTo(valueType, leftType, left, undefined); } } - return links.isDeclarationWithCollidingName; } - return false; + function reportOperatorError() { + error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); + } } - function getReferencedDeclarationWithCollidingName(node) { - if (!ts.isGeneratedIdentifier(node)) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - var symbol = getReferencedValueSymbol(node); - if (symbol && isSymbolOfDeclarationWithCollidingName(symbol)) { - return symbol.valueDeclaration; - } + function isYieldExpressionInClass(node) { + var current = node; + var parent = node.parent; + while (parent) { + if (ts.isFunctionLike(parent) && current === parent.body) { + return false; + } + else if (ts.isClassLike(current)) { + return true; } + current = parent; + parent = parent.parent; } - return undefined; + return false; } - function isDeclarationWithCollidingName(node) { - node = ts.getParseTreeNode(node, ts.isDeclaration); - if (node) { - var symbol = getSymbolOfNode(node); - if (symbol) { - return isSymbolOfDeclarationWithCollidingName(symbol); + function checkYieldExpression(node) { + if (produceDiagnostics) { + if (!(node.flags & 65536) || isYieldExpressionInClass(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); } } - return false; + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func && func.asteriskToken) { + var expressionType = checkExpressionCached(node.expression, undefined); + var expressionElementType = void 0; + var nodeIsYieldStar = !!node.asteriskToken; + if (nodeIsYieldStar) { + expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); + } + if (func.type) { + var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; + if (nodeIsYieldStar) { + checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); + } + else { + checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); + } + } + } + } + return anyType; } - function isValueAliasDeclaration(node) { - node = ts.getParseTreeNode(node); - if (node === undefined) { - return true; + function checkConditionalExpression(node, contextualMapper) { + checkExpression(node.condition); + var type1 = checkExpression(node.whenTrue, contextualMapper); + var type2 = checkExpression(node.whenFalse, contextualMapper); + return getBestChoiceType(type1, type2); + } + function checkLiteralExpression(node) { + if (node.kind === 8) { + checkGrammarNumericLiteral(node); } switch (node.kind) { - case 230: - case 232: - case 233: - case 235: - case 239: - return isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol); - case 237: - var exportClause = node.exportClause; - return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); - case 236: - return node.expression - && node.expression.kind === 70 - ? isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol) - : true; + case 9: + return getFreshTypeOfLiteralType(getLiteralTypeForText(32, node.text)); + case 8: + return getFreshTypeOfLiteralType(getLiteralTypeForText(64, node.text)); + case 100: + return trueType; + case 85: + return falseType; } - return false; } - function isTopLevelValueImportEqualsWithEntityName(node) { - node = ts.getParseTreeNode(node, ts.isImportEqualsDeclaration); - if (node === undefined || node.parent.kind !== 256 || !ts.isInternalModuleImportEqualsDeclaration(node)) { - return false; - } - var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); - return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); + function checkTemplateExpression(node) { + ts.forEach(node.templateSpans, function (templateSpan) { + checkExpression(templateSpan.expression); + }); + return stringType; } - function isAliasResolvedToValue(symbol) { - var target = resolveAlias(symbol); - if (target === unknownSymbol) { - return true; + function checkExpressionWithContextualType(node, contextualType, contextualMapper) { + var saveContextualType = node.contextualType; + node.contextualType = contextualType; + var result = checkExpression(node, contextualMapper); + node.contextualType = saveContextualType; + return result; + } + function checkExpressionCached(node, contextualMapper) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var saveFlowLoopStart = flowLoopStart; + flowLoopStart = flowLoopCount; + links.resolvedType = checkExpression(node, contextualMapper); + flowLoopStart = saveFlowLoopStart; } - return target.flags & 107455 && - (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); + return links.resolvedType; } - function isConstEnumOrConstEnumOnlyModule(s) { - return isConstEnumSymbol(s) || s.constEnumOnlyModule; + function isTypeAssertion(node) { + node = skipParenthesizedNodes(node); + return node.kind === 178 || node.kind === 196; } - function isReferencedAliasDeclaration(node, checkChildren) { - node = ts.getParseTreeNode(node); - if (node === undefined) { - return true; - } - if (ts.isAliasSymbolDeclaration(node)) { - var symbol = getSymbolOfNode(node); - if (symbol && getSymbolLinks(symbol).referenced) { - return true; + function checkDeclarationInitializer(declaration) { + var type = checkExpressionCached(declaration.initializer); + return ts.getCombinedNodeFlags(declaration) & 2 || + ts.getCombinedModifierFlags(declaration) & 64 || + isTypeAssertion(declaration.initializer) ? type : getWidenedLiteralType(type); + } + function isLiteralContextualType(contextualType) { + if (contextualType) { + if (contextualType.flags & 16384) { + var apparentType = getApparentTypeOfTypeParameter(contextualType); + if (apparentType.flags & (2 | 4 | 8 | 16)) { + return true; + } + contextualType = apparentType; } - } - if (checkChildren) { - return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); + return maybeTypeOfKind(contextualType, 480); } return false; } - function isImplementationOfOverload(node) { - if (ts.nodeIsPresent(node.body)) { - var symbol = getSymbolOfNode(node); - var signaturesOfSymbol = getSignaturesOfSymbol(symbol); - return signaturesOfSymbol.length > 1 || - (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); + function checkExpressionForMutableLocation(node, contextualMapper) { + var type = checkExpression(node, contextualMapper); + return isTypeAssertion(node) || isLiteralContextualType(getContextualType(node)) ? type : getWidenedLiteralType(type); + } + function checkPropertyAssignment(node, contextualMapper) { + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); } - return false; + return checkExpressionForMutableLocation(node.initializer, contextualMapper); } - function getNodeCheckFlags(node) { - node = ts.getParseTreeNode(node); - return node ? getNodeLinks(node).flags : undefined; + function checkObjectLiteralMethod(node, contextualMapper) { + checkGrammarMethod(node); + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); + } + var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); } - function getEnumMemberValue(node) { - computeEnumMemberValues(node.parent); - return getNodeLinks(node).enumMemberValue; + function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { + if (isInferentialContext(contextualMapper)) { + var signature = getSingleCallSignature(type); + if (signature && signature.typeParameters) { + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType) { + var contextualSignature = getSingleCallSignature(contextualType); + if (contextualSignature && !contextualSignature.typeParameters) { + return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + } + } + } + } + return type; } - function getConstantValue(node) { - if (node.kind === 255) { - return getEnumMemberValue(node); + function checkExpression(node, contextualMapper) { + var type; + if (node.kind === 140) { + type = checkQualifiedName(node); } - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol && (symbol.flags & 8)) { - if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { - return getEnumMemberValue(symbol.valueDeclaration); + else { + var uninstantiatedType = checkExpressionWorker(node, contextualMapper); + type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + if (isConstEnumObjectType(type)) { + var ok = (node.parent.kind === 173 && node.parent.expression === node) || + (node.parent.kind === 174 && node.parent.expression === node) || + ((node.kind === 70 || node.kind === 140) && isInRightSideOfImportOrExportAssignment(node)); + if (!ok) { + error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); } } - return undefined; - } - function isFunctionType(type) { - return type.flags & 2588672 && getSignaturesOfType(type, 0).length > 0; + return type; } - function getTypeReferenceSerializationKind(typeName, location) { - var valueSymbol = resolveEntityName(typeName, 107455, true, false, location); - var globalPromiseSymbol = tryGetGlobalPromiseConstructorSymbol(); - if (globalPromiseSymbol && valueSymbol === globalPromiseSymbol) { - return ts.TypeReferenceSerializationKind.Promise; - } - var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; - if (constructorType && isConstructorType(constructorType)) { - return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + function checkExpressionWorker(node, contextualMapper) { + switch (node.kind) { + case 70: + return checkIdentifier(node); + case 98: + return checkThisExpression(node); + case 96: + return checkSuperExpression(node); + case 94: + return nullWideningType; + case 9: + case 8: + case 100: + case 85: + return checkLiteralExpression(node); + case 190: + return checkTemplateExpression(node); + case 12: + return stringType; + case 11: + return globalRegExpType; + case 171: + return checkArrayLiteral(node, contextualMapper); + case 172: + return checkObjectLiteral(node, contextualMapper); + case 173: + return checkPropertyAccessExpression(node); + case 174: + return checkIndexedAccess(node); + case 175: + case 176: + return checkCallExpression(node); + case 177: + return checkTaggedTemplateExpression(node); + case 179: + return checkExpression(node.expression, contextualMapper); + case 193: + return checkClassExpression(node); + case 180: + case 181: + return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + case 183: + return checkTypeOfExpression(node); + case 178: + case 196: + return checkAssertion(node); + case 197: + return checkNonNullAssertion(node); + case 182: + return checkDeleteExpression(node); + case 184: + return checkVoidExpression(node); + case 185: + return checkAwaitExpression(node); + case 186: + return checkPrefixUnaryExpression(node); + case 187: + return checkPostfixUnaryExpression(node); + case 188: + return checkBinaryExpression(node, contextualMapper); + case 189: + return checkConditionalExpression(node, contextualMapper); + case 192: + return checkSpreadElementExpression(node, contextualMapper); + case 194: + return undefinedWideningType; + case 191: + return checkYieldExpression(node); + case 248: + return checkJsxExpression(node); + case 242: + return checkJsxElement(node); + case 243: + return checkJsxSelfClosingElement(node); + case 244: + ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); } - var typeSymbol = resolveEntityName(typeName, 793064, true, false, location); - if (!typeSymbol) { - return ts.TypeReferenceSerializationKind.ObjectType; + return unknownType; + } + function checkTypeParameter(node) { + if (node.expression) { + grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); } - var type = getDeclaredTypeOfSymbol(typeSymbol); - if (type === unknownType) { - return ts.TypeReferenceSerializationKind.Unknown; + checkSourceElement(node.constraint); + getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); } - else if (type.flags & 1) { - return ts.TypeReferenceSerializationKind.ObjectType; + } + function checkParameter(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkVariableLikeDeclaration(node); + var func = ts.getContainingFunction(node); + if (ts.getModifierFlags(node) & 92) { + func = ts.getContainingFunction(node); + if (!(func.kind === 149 && ts.nodeIsPresent(func.body))) { + error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } } - else if (isTypeOfKind(type, 1024 | 6144 | 8192)) { - return ts.TypeReferenceSerializationKind.VoidNullableOrNeverType; + if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { + error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); } - else if (isTypeOfKind(type, 136)) { - return ts.TypeReferenceSerializationKind.BooleanType; + if (node.name.text === "this") { + if (ts.indexOf(func.parameters, node) !== 0) { + error(node, ts.Diagnostics.A_this_parameter_must_be_the_first_parameter); + } + if (func.kind === 149 || func.kind === 153 || func.kind === 158) { + error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter); + } } - else if (isTypeOfKind(type, 340)) { - return ts.TypeReferenceSerializationKind.NumberLikeType; + if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); } - else if (isTypeOfKind(type, 34)) { - return ts.TypeReferenceSerializationKind.StringLikeType; + } + function isSyntacticallyValidGenerator(node) { + if (!node.asteriskToken || !node.body) { + return false; } - else if (isTupleType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; + return node.kind === 148 || + node.kind === 221 || + node.kind === 180; + } + function getTypePredicateParameterIndex(parameterList, parameter) { + if (parameterList) { + for (var i = 0; i < parameterList.length; i++) { + var param = parameterList[i]; + if (param.name.kind === 70 && + param.name.text === parameter.text) { + return i; + } + } } - else if (isTypeOfKind(type, 512)) { - return ts.TypeReferenceSerializationKind.ESSymbolType; + return -1; + } + function checkTypePredicate(node) { + var parent = getTypePredicateParent(node); + if (!parent) { + error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); + return; } - else if (isFunctionType(type)) { - return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + var typePredicate = getSignatureFromDeclaration(parent).typePredicate; + if (!typePredicate) { + return; } - else if (isArrayType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; + var parameterName = node.parameterName; + if (ts.isThisTypePredicate(typePredicate)) { + getTypeFromThisTypeNode(parameterName); } else { - return ts.TypeReferenceSerializationKind.ObjectType; + if (typePredicate.parameterIndex >= 0) { + if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { + error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); + } + else { + var leadingError = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type); + checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type, undefined, leadingError); + } + } + else if (parameterName) { + var hasReportedError = false; + for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { + var name_21 = _a[_i].name; + if (ts.isBindingPattern(name_21) && + checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_21, parameterName, typePredicate.parameterName)) { + hasReportedError = true; + break; + } + } + if (!hasReportedError) { + error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); + } + } } } - function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { - var symbol = getSymbolOfNode(declaration); - var type = symbol && !(symbol.flags & (2048 | 131072)) - ? getWidenedLiteralType(getTypeOfSymbol(symbol)) - : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { - var signature = getSignatureFromDeclaration(signatureDeclaration); - getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); - } - function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { - var type = getWidenedType(getTypeOfExpression(expr)); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeBaseConstructorTypeOfClass(node, enclosingDeclaration, flags, writer) { - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(node)); - resolveBaseTypesOfClass(classType); - var baseType = classType.resolvedBaseTypes.length ? classType.resolvedBaseTypes[0] : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(baseType, writer, enclosingDeclaration, flags); - } - function hasGlobalName(name) { - return !!globals[name]; - } - function getReferencedValueSymbol(reference, startInDeclarationContainer) { - var resolvedSymbol = getNodeLinks(reference).resolvedSymbol; - if (resolvedSymbol) { - return resolvedSymbol; - } - var location = reference; - if (startInDeclarationContainer) { - var parent_14 = reference.parent; - if (ts.isDeclaration(parent_14) && reference === parent_14.name) { - location = getDeclarationContainer(parent_14); - } + function getTypePredicateParent(node) { + switch (node.parent.kind) { + case 181: + case 152: + case 221: + case 180: + case 157: + case 148: + case 147: + var parent_12 = node.parent; + if (node === parent_12.type) { + return parent_12; + } } - return resolveName(location, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); } - function getReferencedValueDeclaration(reference) { - if (!ts.isGeneratedIdentifier(reference)) { - reference = ts.getParseTreeNode(reference, ts.isIdentifier); - if (reference) { - var symbol = getReferencedValueSymbol(reference); - if (symbol) { - return getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (ts.isOmittedExpression(element)) { + continue; + } + var name_22 = element.name; + if (name_22.kind === 70 && + name_22.text === predicateVariableName) { + error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); + return true; + } + else if (name_22.kind === 169 || + name_22.kind === 168) { + if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_22, predicateVariableNode, predicateVariableName)) { + return true; } } } - return undefined; } - function isLiteralConstDeclaration(node) { - if (ts.isConst(node)) { - var type = getTypeOfSymbol(getSymbolOfNode(node)); - return !!(type.flags & 96 && type.flags & 16777216); + function checkSignatureDeclaration(node) { + if (node.kind === 154) { + checkGrammarIndexSignature(node); } - return false; - } - function writeLiteralConstValue(node, writer) { - var type = getTypeOfSymbol(getSymbolOfNode(node)); - writer.writeStringLiteral(literalTypeToString(type)); - } - function createResolver() { - var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives(); - var fileToDirective; - if (resolvedTypeReferenceDirectives) { - fileToDirective = ts.createFileMap(); - for (var key in resolvedTypeReferenceDirectives) { - var resolvedDirective = resolvedTypeReferenceDirectives[key]; - if (!resolvedDirective) { - continue; + else if (node.kind === 157 || node.kind === 221 || node.kind === 158 || + node.kind === 152 || node.kind === 149 || + node.kind === 153) { + checkGrammarFunctionLikeDeclaration(node); + } + checkTypeParameters(node.typeParameters); + ts.forEach(node.parameters, checkParameter); + if (node.type) { + checkSourceElement(node.type); + } + if (produceDiagnostics) { + checkCollisionWithArgumentsInGeneratedCode(node); + if (compilerOptions.noImplicitAny && !node.type) { + switch (node.kind) { + case 153: + error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + case 152: + error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; } - var file = host.getSourceFile(resolvedDirective.resolvedFileName); - fileToDirective.set(file.path, key); } - } - return { - getReferencedExportContainer: getReferencedExportContainer, - getReferencedImportDeclaration: getReferencedImportDeclaration, - getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, - isDeclarationWithCollidingName: isDeclarationWithCollidingName, - isValueAliasDeclaration: isValueAliasDeclaration, - hasGlobalName: hasGlobalName, - isReferencedAliasDeclaration: isReferencedAliasDeclaration, - getNodeCheckFlags: getNodeCheckFlags, - isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, - isDeclarationVisible: isDeclarationVisible, - isImplementationOfOverload: isImplementationOfOverload, - writeTypeOfDeclaration: writeTypeOfDeclaration, - writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, - writeTypeOfExpression: writeTypeOfExpression, - writeBaseConstructorTypeOfClass: writeBaseConstructorTypeOfClass, - isSymbolAccessible: isSymbolAccessible, - isEntityNameVisible: isEntityNameVisible, - getConstantValue: getConstantValue, - collectLinkedAliases: collectLinkedAliases, - getReferencedValueDeclaration: getReferencedValueDeclaration, - getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, - isOptionalParameter: isOptionalParameter, - moduleExportsSomeValue: moduleExportsSomeValue, - isArgumentsLocalBinding: isArgumentsLocalBinding, - getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration, - getTypeReferenceDirectivesForEntityName: getTypeReferenceDirectivesForEntityName, - getTypeReferenceDirectivesForSymbol: getTypeReferenceDirectivesForSymbol, - isLiteralConstDeclaration: isLiteralConstDeclaration, - writeLiteralConstValue: writeLiteralConstValue - }; - function getTypeReferenceDirectivesForEntityName(node) { - if (!fileToDirective) { - return undefined; + if (node.type) { + if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { + var returnType = getTypeFromTypeNode(node.type); + if (returnType === voidType) { + error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); + } + else { + var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; + var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); + checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); + } + } + else if (ts.isAsyncFunctionLike(node)) { + checkAsyncFunctionReturnType(node); + } } - var meaning = (node.kind === 173) || (node.kind === 70 && isInTypeQuery(node)) - ? 107455 | 1048576 - : 793064 | 1920; - var symbol = resolveEntityName(node, meaning, true); - return symbol && symbol !== unknownSymbol ? getTypeReferenceDirectivesForSymbol(symbol, meaning) : undefined; - } - function getTypeReferenceDirectivesForSymbol(symbol, meaning) { - if (!fileToDirective) { - return undefined; + if (noUnusedIdentifiers && !node.body) { + checkUnusedTypeParameters(node); } - if (!isSymbolFromTypeDeclarationFile(symbol)) { - return undefined; + } + } + function checkClassForDuplicateDeclarations(node) { + var instanceNames = ts.createMap(); + var staticNames = ts.createMap(); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 149) { + for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { + var param = _c[_b]; + if (ts.isParameterPropertyDeclaration(param)) { + addName(instanceNames, param.name, param.name.text, 3); + } + } } - var typeReferenceDirectives; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - if (decl.symbol && decl.symbol.flags & meaning) { - var file = ts.getSourceFileOfNode(decl); - var typeReferenceDirective = fileToDirective.get(file.path); - if (typeReferenceDirective) { - (typeReferenceDirectives || (typeReferenceDirectives = [])).push(typeReferenceDirective); + else { + var isStatic = ts.forEach(member.modifiers, function (m) { return m.kind === 114; }); + var names = isStatic ? staticNames : instanceNames; + var memberName = member.name && ts.getPropertyNameForPropertyNameNode(member.name); + if (memberName) { + switch (member.kind) { + case 150: + addName(names, member.name, memberName, 1); + break; + case 151: + addName(names, member.name, memberName, 2); + break; + case 146: + addName(names, member.name, memberName, 3); + break; } } } - return typeReferenceDirectives; } - function isSymbolFromTypeDeclarationFile(symbol) { - if (!symbol.declarations) { - return false; + function addName(names, location, name, meaning) { + var prev = names[name]; + if (prev) { + if (prev & meaning) { + error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location)); + } + else { + names[name] = prev | meaning; + } } - var current = symbol; - while (true) { - var parent_15 = getParentOfSymbol(current); - if (parent_15) { - current = parent_15; + else { + names[name] = meaning; + } + } + } + function checkObjectTypeForDuplicateDeclarations(node) { + var names = ts.createMap(); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind == 145) { + var memberName = void 0; + switch (member.name.kind) { + case 9: + case 8: + case 70: + memberName = member.name.text; + break; + default: + continue; + } + if (names[memberName]) { + error(member.symbol.valueDeclaration.name, ts.Diagnostics.Duplicate_identifier_0, memberName); + error(member.name, ts.Diagnostics.Duplicate_identifier_0, memberName); } else { - break; + names[memberName] = true; } } - if (current.valueDeclaration && current.valueDeclaration.kind === 256 && current.flags & 512) { - return false; + } + } + function checkTypeForDuplicateIndexSignatures(node) { + if (node.kind === 223) { + var nodeSymbol = getSymbolOfNode(node); + if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { + return; } - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + } + var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); + if (indexSymbol) { + var seenNumericIndexer = false; + var seenStringIndexer = false; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { var decl = _a[_i]; - var file = ts.getSourceFileOfNode(decl); - if (fileToDirective.contains(file.path)) { - return true; + var declaration = decl; + if (declaration.parameters.length === 1 && declaration.parameters[0].type) { + switch (declaration.parameters[0].type.kind) { + case 133: + if (!seenStringIndexer) { + seenStringIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_string_index_signature); + } + break; + case 131: + if (!seenNumericIndexer) { + seenNumericIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_number_index_signature); + } + break; + } } } - return false; } } - function getExternalModuleFileFromDeclaration(declaration) { - var specifier = ts.getExternalModuleName(declaration); - var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); - if (!moduleSymbol) { - return undefined; + function checkPropertyDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); + checkVariableLikeDeclaration(node); + } + function checkMethodDeclaration(node) { + checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); + checkFunctionOrMethodDeclaration(node); + if (ts.getModifierFlags(node) & 128 && node.body) { + error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); } - return ts.getDeclarationOfKind(moduleSymbol, 256); } - function initializeTypeChecker() { - for (var _i = 0, _a = host.getSourceFiles(); _i < _a.length; _i++) { - var file = _a[_i]; - ts.bindSourceFile(file, compilerOptions); + function checkConstructorDeclaration(node) { + checkSignatureDeclaration(node); + checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); + checkSourceElement(node.body); + registerForUnusedIdentifiersCheck(node); + var symbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(symbol); } - var augmentations; - var requestedExternalEmitHelpers = 0; - var firstFileRequestingExternalHelpers; - for (var _b = 0, _c = host.getSourceFiles(); _b < _c.length; _b++) { - var file = _c[_b]; - if (!ts.isExternalOrCommonJsModule(file)) { - mergeSymbolTable(globals, file.locals); + if (ts.nodeIsMissing(node.body)) { + return; + } + if (!produceDiagnostics) { + return; + } + function containsSuperCallAsComputedPropertyName(n) { + return n.name && containsSuperCall(n.name); + } + function containsSuperCall(n) { + if (ts.isSuperCall(n)) { + return true; } - if (file.patternAmbientModules && file.patternAmbientModules.length) { - patternAmbientModules = ts.concatenate(patternAmbientModules, file.patternAmbientModules); + else if (ts.isFunctionLike(n)) { + return false; } - if (file.moduleAugmentations.length) { - (augmentations || (augmentations = [])).push(file.moduleAugmentations); + else if (ts.isClassLike(n)) { + return ts.forEach(n.members, containsSuperCallAsComputedPropertyName); } - if (file.symbol && file.symbol.globalExports) { - var source = file.symbol.globalExports; - for (var id in source) { - if (!(id in globals)) { - globals[id] = source[id]; + return ts.forEachChild(n, containsSuperCall); + } + function markThisReferencesAsErrors(n) { + if (n.kind === 98) { + error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + } + else if (n.kind !== 180 && n.kind !== 221) { + ts.forEachChild(n, markThisReferencesAsErrors); + } + } + function isInstancePropertyWithInitializer(n) { + return n.kind === 146 && + !(ts.getModifierFlags(n) & 32) && + !!n.initializer; + } + var containingClassDecl = node.parent; + if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { + captureLexicalThis(node.parent, containingClassDecl); + var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); + var superCall = getSuperCallInConstructor(node); + if (superCall) { + if (classExtendsNull) { + error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); + } + var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || + ts.forEach(node.parameters, function (p) { return ts.getModifierFlags(p) & 92; }); + if (superCallShouldBeFirst) { + var statements = node.body.statements; + var superCallStatement = void 0; + for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { + var statement = statements_2[_i]; + if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { + superCallStatement = statement; + break; + } + if (!ts.isPrologueDirective(statement)) { + break; + } + } + if (!superCallStatement) { + error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); } } } - if ((compilerOptions.isolatedModules || ts.isExternalModule(file)) && !file.isDeclarationFile) { - var fileRequestedExternalEmitHelpers = file.flags & 31744; - if (fileRequestedExternalEmitHelpers) { - requestedExternalEmitHelpers |= fileRequestedExternalEmitHelpers; - if (firstFileRequestingExternalHelpers === undefined) { - firstFileRequestingExternalHelpers = file; + else if (!classExtendsNull) { + error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); + } + } + } + function checkAccessorDeclaration(node) { + if (produceDiagnostics) { + checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); + checkDecorators(node); + checkSignatureDeclaration(node); + if (node.kind === 150) { + if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 128)) { + if (!(node.flags & 256)) { + error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); } } } - } - if (augmentations) { - for (var _d = 0, augmentations_1 = augmentations; _d < augmentations_1.length; _d++) { - var list = augmentations_1[_d]; - for (var _e = 0, list_1 = list; _e < list_1.length; _e++) { - var augmentation = list_1[_e]; - mergeModuleAugmentation(augmentation); + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + var otherKind = node.kind === 150 ? 151 : 150; + var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); + if (otherAccessor) { + if ((ts.getModifierFlags(node) & 28) !== (ts.getModifierFlags(otherAccessor) & 28)) { + error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); + } + if (ts.hasModifier(node, 128) !== ts.hasModifier(otherAccessor, 128)) { + error(node.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract); + } + checkAccessorDeclarationTypesIdentical(node, otherAccessor, getAnnotatedAccessorType, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); + checkAccessorDeclarationTypesIdentical(node, otherAccessor, getThisTypeOfDeclaration, ts.Diagnostics.get_and_set_accessor_must_have_the_same_this_type); } } + var returnType = getTypeOfAccessors(getSymbolOfNode(node)); + if (node.kind === 150) { + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType); + } } - addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); - getSymbolLinks(undefinedSymbol).type = undefinedWideningType; - getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); - getSymbolLinks(unknownSymbol).type = unknownType; - globalArrayType = getGlobalType("Array", 1); - globalObjectType = getGlobalType("Object"); - globalFunctionType = getGlobalType("Function"); - globalStringType = getGlobalType("String"); - globalNumberType = getGlobalType("Number"); - globalBooleanType = getGlobalType("Boolean"); - globalRegExpType = getGlobalType("RegExp"); - jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); - getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); - getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); - getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); - getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); - getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); - getGlobalESSymbolConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Symbol"); }); - getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); - tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793064, undefined) && getGlobalPromiseType(); }); - getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); - getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); - getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); - tryGetGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalSymbol("Promise", 107455, undefined) && getGlobalPromiseConstructorSymbol(); }); - getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); - getGlobalThenableType = ts.memoize(createThenableType); - getGlobalTemplateStringsArrayType = ts.memoize(function () { return getGlobalType("TemplateStringsArray"); }); - if (languageVersion >= 2) { - getGlobalESSymbolType = ts.memoize(function () { return getGlobalType("Symbol"); }); - getGlobalIterableType = ts.memoize(function () { return getGlobalType("Iterable", 1); }); - getGlobalIteratorType = ts.memoize(function () { return getGlobalType("Iterator", 1); }); - getGlobalIterableIteratorType = ts.memoize(function () { return getGlobalType("IterableIterator", 1); }); + if (node.parent.kind !== 172) { + checkSourceElement(node.body); + registerForUnusedIdentifiersCheck(node); } else { - getGlobalESSymbolType = ts.memoize(function () { return emptyObjectType; }); - getGlobalIterableType = ts.memoize(function () { return emptyGenericType; }); - getGlobalIteratorType = ts.memoize(function () { return emptyGenericType; }); - getGlobalIterableIteratorType = ts.memoize(function () { return emptyGenericType; }); + checkNodeDeferred(node); } - anyArrayType = createArrayType(anyType); - autoArrayType = createArrayType(autoType); - var symbol = getGlobalSymbol("ReadonlyArray", 793064, undefined); - globalReadonlyArrayType = symbol && getTypeOfGlobalSymbol(symbol, 1); - anyReadonlyArrayType = globalReadonlyArrayType ? createTypeFromGenericGlobalType(globalReadonlyArrayType, [anyType]) : anyArrayType; - if (compilerOptions.importHelpers && firstFileRequestingExternalHelpers) { - var helpersModule = resolveExternalModule(firstFileRequestingExternalHelpers, ts.externalHelpersModuleNameText, ts.Diagnostics.Cannot_find_module_0, undefined); - if (helpersModule) { - var exports_2 = helpersModule.exports; - if (requestedExternalEmitHelpers & 1024 && languageVersion < 2) { - verifyHelperSymbol(exports_2, "__extends", 107455); - } - if (requestedExternalEmitHelpers & 16384 && compilerOptions.jsx !== 1) { - verifyHelperSymbol(exports_2, "__assign", 107455); - } - if (requestedExternalEmitHelpers & 2048) { - verifyHelperSymbol(exports_2, "__decorate", 107455); - if (compilerOptions.emitDecoratorMetadata) { - verifyHelperSymbol(exports_2, "__metadata", 107455); - } - } - if (requestedExternalEmitHelpers & 4096) { - verifyHelperSymbol(exports_2, "__param", 107455); - } - if (requestedExternalEmitHelpers & 8192) { - verifyHelperSymbol(exports_2, "__awaiter", 107455); - if (languageVersion < 2) { - verifyHelperSymbol(exports_2, "__generator", 107455); - } + } + function checkAccessorDeclarationTypesIdentical(first, second, getAnnotatedType, message) { + var firstType = getAnnotatedType(first); + var secondType = getAnnotatedType(second); + if (firstType && secondType && !isTypeIdenticalTo(firstType, secondType)) { + error(first, message); + } + } + function checkAccessorDeferred(node) { + checkSourceElement(node.body); + registerForUnusedIdentifiersCheck(node); + } + function checkMissingDeclaration(node) { + checkDecorators(node); + } + function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { + var typeArguments; + var mapper; + var result = true; + for (var i = 0; i < typeParameters.length; i++) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + if (!typeArguments) { + typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); + mapper = createTypeMapper(typeParameters, typeArguments); } + var typeArgument = typeArguments[i]; + result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); } } + return result; } - function verifyHelperSymbol(symbols, name, meaning) { - var symbol = getSymbol(symbols, ts.escapeIdentifier(name), meaning); - if (!symbol) { - error(undefined, ts.Diagnostics.Module_0_has_no_exported_member_1, ts.externalHelpersModuleNameText, name); + function checkTypeReferenceNode(node) { + checkGrammarTypeArguments(node, node.typeArguments); + var type = getTypeFromTypeReference(node); + if (type !== unknownType) { + if (node.typeArguments) { + ts.forEach(node.typeArguments, checkSourceElement); + if (produceDiagnostics) { + var symbol = getNodeLinks(node).resolvedSymbol; + var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; + checkTypeArgumentConstraints(typeParameters, node.typeArguments); + } + } + if (type.flags & 16 && !type.memberTypes && getNodeLinks(node).resolvedSymbol.flags & 8) { + error(node, ts.Diagnostics.Enum_type_0_has_members_with_initializers_that_are_not_literals, typeToString(type)); + } } } - function createInstantiatedPromiseLikeType() { - var promiseLikeType = getGlobalPromiseLikeType(); - if (promiseLikeType !== emptyGenericType) { - return createTypeReference(promiseLikeType, [anyType]); + function checkTypeQuery(node) { + getTypeFromTypeQueryNode(node); + } + function checkTypeLiteral(node) { + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + checkObjectTypeForDuplicateDeclarations(node); } - return emptyObjectType; } - function createThenableType() { - var thenPropertySymbol = createSymbol(67108864 | 4, "then"); - getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(2097152); - thenableType.properties = [thenPropertySymbol]; - thenableType.members = createSymbolTable(thenableType.properties); - thenableType.callSignatures = []; - thenableType.constructSignatures = []; - return thenableType; + function checkArrayType(node) { + checkSourceElement(node.elementType); } - function checkGrammarDecorators(node) { - if (!node.decorators) { - return false; - } - if (!ts.nodeCanBeDecorated(node)) { - if (node.kind === 148 && !ts.nodeIsPresent(node.body)) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); - } + function checkTupleType(node) { + var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); + if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { + grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); } - else if (node.kind === 150 || node.kind === 151) { - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + ts.forEach(node.elementTypes, checkSourceElement); + } + function checkUnionOrIntersectionType(node) { + ts.forEach(node.types, checkSourceElement); + } + function isPrivateWithinAmbient(node) { + return (ts.getModifierFlags(node) & 8) && ts.isInAmbientContext(node); + } + function getEffectiveDeclarationFlags(n, flagsToCheck) { + var flags = ts.getCombinedModifierFlags(n); + if (n.parent.kind !== 223 && + n.parent.kind !== 222 && + n.parent.kind !== 193 && + ts.isInAmbientContext(n)) { + if (!(flags & 2)) { + flags |= 1; } + flags |= 2; } - return false; + return flags & flagsToCheck; } - function checkGrammarModifiers(node) { - var quickResult = reportObviousModifierErrors(node); - if (quickResult !== undefined) { - return quickResult; + function checkFunctionOrConstructorSymbol(symbol) { + if (!produceDiagnostics) { + return; } - var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync, lastReadonly; - var flags = 0; - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - if (modifier.kind !== 129) { - if (node.kind === 145 || node.kind === 147) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind)); - } - if (node.kind === 154) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind)); - } - } - switch (modifier.kind) { - case 75: - if (node.kind !== 225 && node.parent.kind === 222) { - return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(75)); - } - break; - case 113: - case 112: - case 111: - var text = visibilityToString(ts.modifierToFlag(modifier.kind)); - if (modifier.kind === 112) { - lastProtected = modifier; - } - else if (modifier.kind === 111) { - lastPrivate = modifier; - } - if (flags & 28) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); - } - else if (flags & 32) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); - } - else if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "readonly"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); - } - else if (node.parent.kind === 227 || node.parent.kind === 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, text); - } - else if (flags & 128) { - if (modifier.kind === 111) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); - } - else { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); - } - } - flags |= ts.modifierToFlag(modifier.kind); - break; - case 114: - if (flags & 32) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); - } - else if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "readonly"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); - } - else if (node.parent.kind === 227 || node.parent.kind === 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, "static"); - } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - flags |= 32; - lastStatic = modifier; - break; - case 129: - if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "readonly"); - } - else if (node.kind !== 146 && node.kind !== 145 && node.kind !== 154 && node.kind !== 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics.readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature); - } - flags |= 64; - lastReadonly = modifier; - break; - case 83: - if (flags & 1) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); - } - else if (flags & 2) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); - } - else if (node.parent.kind === 222) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); - } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); - } - flags |= 1; - break; - case 123: - if (flags & 2) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + function getCanonicalOverload(overloads, implementation) { + var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; + return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + } + function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { + var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; + if (someButNotAllOverloadFlags !== 0) { + var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); + ts.forEach(overloads, function (o) { + var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; + if (deviation & 1) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_non_exported); } - else if (node.parent.kind === 222) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + else if (deviation & 2) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + else if (deviation & (8 | 16)) { + error(o.name || o, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); } - else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 227) { - return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + else if (deviation & 128) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_non_abstract); } - flags |= 2; - lastDeclare = modifier; - break; - case 116: - if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + }); + } + } + function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { + if (someHaveQuestionToken !== allHaveQuestionToken) { + var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); + ts.forEach(overloads, function (o) { + var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; + if (deviation) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); } - if (node.kind !== 222) { - if (node.kind !== 148 && - node.kind !== 146 && - node.kind !== 150 && - node.kind !== 151) { - return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration); - } - if (!(node.parent.kind === 222 && ts.getModifierFlags(node.parent) & 128)) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); - } - if (flags & 32) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - if (flags & 8) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + }); + } + } + var flagsToCheck = 1 | 2 | 8 | 16 | 128; + var someNodeFlags = 0; + var allNodeFlags = flagsToCheck; + var someHaveQuestionToken = false; + var allHaveQuestionToken = true; + var hasOverloads = false; + var bodyDeclaration; + var lastSeenNonAmbientDeclaration; + var previousDeclaration; + var declarations = symbol.declarations; + var isConstructor = (symbol.flags & 16384) !== 0; + function reportImplementationExpectedError(node) { + if (node.name && ts.nodeIsMissing(node.name)) { + return; + } + var seen = false; + var subsequentNode = ts.forEachChild(node.parent, function (c) { + if (seen) { + return c; + } + else { + seen = c === node; + } + }); + if (subsequentNode && subsequentNode.pos === node.end) { + if (subsequentNode.kind === node.kind) { + var errorNode_1 = subsequentNode.name || subsequentNode; + if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { + var reportError = (node.kind === 148 || node.kind === 147) && + (ts.getModifierFlags(node) & 32) !== (ts.getModifierFlags(subsequentNode) & 32); + if (reportError) { + var diagnostic = ts.getModifierFlags(node) & 32 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; + error(errorNode_1, diagnostic); } + return; } - flags |= 128; - break; - case 119: - if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); - } - else if (flags & 2 || ts.isInAmbientContext(node.parent)) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + else if (ts.nodeIsPresent(subsequentNode.body)) { + error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); + return; } - flags |= 256; - lastAsync = modifier; - break; + } } - } - if (node.kind === 149) { - if (flags & 32) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + var errorNode = node.name || node; + if (isConstructor) { + error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); } - if (flags & 128) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + else { + if (ts.getModifierFlags(node) & 128) { + error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + } + else { + error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + } } - else if (flags & 256) { - return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + var duplicateFunctionDeclaration = false; + var multipleConstructorImplementation = false; + for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { + var current = declarations_4[_i]; + var node = current; + var inAmbientContext = ts.isInAmbientContext(node); + var inAmbientContextOrInterface = node.parent.kind === 223 || node.parent.kind === 160 || inAmbientContext; + if (inAmbientContextOrInterface) { + previousDeclaration = undefined; } - else if (flags & 64) { - return grammarErrorOnNode(lastReadonly, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "readonly"); + if (node.kind === 221 || node.kind === 148 || node.kind === 147 || node.kind === 149) { + var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); + someNodeFlags |= currentNodeFlags; + allNodeFlags &= currentNodeFlags; + someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); + allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); + if (ts.nodeIsPresent(node.body) && bodyDeclaration) { + if (isConstructor) { + multipleConstructorImplementation = true; + } + else { + duplicateFunctionDeclaration = true; + } + } + else if (previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { + reportImplementationExpectedError(previousDeclaration); + } + if (ts.nodeIsPresent(node.body)) { + if (!bodyDeclaration) { + bodyDeclaration = node; + } + } + else { + hasOverloads = true; + } + previousDeclaration = node; + if (!inAmbientContextOrInterface) { + lastSeenNonAmbientDeclaration = node; + } } - return; } - else if ((node.kind === 231 || node.kind === 230) && flags & 2) { - return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); + if (multipleConstructorImplementation) { + ts.forEach(declarations, function (declaration) { + error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); + }); } - else if (node.kind === 143 && (flags & 92) && ts.isBindingPattern(node.name)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_declared_using_a_binding_pattern); + if (duplicateFunctionDeclaration) { + ts.forEach(declarations, function (declaration) { + error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); + }); } - else if (node.kind === 143 && (flags & 92) && node.dotDotDotToken) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_cannot_be_declared_using_a_rest_parameter); + if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && + !(ts.getModifierFlags(lastSeenNonAmbientDeclaration) & 128) && !lastSeenNonAmbientDeclaration.questionToken) { + reportImplementationExpectedError(lastSeenNonAmbientDeclaration); } - if (flags & 256) { - return checkGrammarAsyncModifier(node, lastAsync); + if (hasOverloads) { + checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); + checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); + if (bodyDeclaration) { + var signatures = getSignaturesOfSymbol(symbol); + var bodySignature = getSignatureFromDeclaration(bodyDeclaration); + for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { + var signature = signatures_3[_a]; + if (!isImplementationCompatibleWithOverload(bodySignature, signature)) { + error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); + break; + } + } + } } } - function reportObviousModifierErrors(node) { - return !node.modifiers - ? false - : shouldReportBadModifier(node) - ? grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here) - : undefined; - } - function shouldReportBadModifier(node) { - switch (node.kind) { - case 150: - case 151: - case 149: - case 146: - case 145: - case 148: - case 147: - case 154: - case 226: - case 231: - case 230: - case 237: - case 236: - case 180: - case 181: - case 143: - return false; - default: - if (node.parent.kind === 227 || node.parent.kind === 256) { - return false; + function checkExportsOnMergedDeclarations(node) { + if (!produceDiagnostics) { + return; + } + var symbol = node.localSymbol; + if (!symbol) { + symbol = getSymbolOfNode(node); + if (!(symbol.flags & 7340032)) { + return; + } + } + if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { + return; + } + var exportedDeclarationSpaces = 0; + var nonExportedDeclarationSpaces = 0; + var defaultExportedDeclarationSpaces = 0; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var d = _a[_i]; + var declarationSpaces = getDeclarationSpaces(d); + var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 1 | 512); + if (effectiveDeclarationFlags & 1) { + if (effectiveDeclarationFlags & 512) { + defaultExportedDeclarationSpaces |= declarationSpaces; } - switch (node.kind) { - case 221: - return nodeHasAnyModifiersExcept(node, 119); - case 222: - return nodeHasAnyModifiersExcept(node, 116); - case 223: - case 201: - case 224: - return true; - case 225: - return nodeHasAnyModifiersExcept(node, 75); - default: - ts.Debug.fail(); - return false; + else { + exportedDeclarationSpaces |= declarationSpaces; } + } + else { + nonExportedDeclarationSpaces |= declarationSpaces; + } } - } - function nodeHasAnyModifiersExcept(node, allowedModifier) { - return node.modifiers.length > 1 || node.modifiers[0].kind !== allowedModifier; - } - function checkGrammarAsyncModifier(node, asyncModifier) { - switch (node.kind) { - case 148: - case 221: - case 180: - case 181: - if (!node.asteriskToken) { - return false; + var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; + var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; + var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; + if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { + for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declarationSpaces = getDeclarationSpaces(d); + if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { + error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); } - break; + else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { + error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); + } + } + } + function getDeclarationSpaces(d) { + switch (d.kind) { + case 223: + return 2097152; + case 226: + return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 + ? 4194304 | 1048576 + : 4194304; + case 222: + case 225: + return 2097152 | 1048576; + case 230: + var result_2 = 0; + var target = resolveAlias(getSymbolOfNode(d)); + ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); + return result_2; + default: + return 1048576; + } } - return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); } - function checkGrammarForDisallowedTrailingComma(list) { - if (list && list.hasTrailingComma) { - var start = list.end - ",".length; - var end = list.end; - var sourceFile = ts.getSourceFileOfNode(list[0]); - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); + function checkNonThenableType(type, location, message) { + type = getWidenedType(type); + if (!isTypeAny(type) && !isTypeNever(type) && isTypeAssignableTo(type, getGlobalThenableType())) { + if (location) { + if (!message) { + message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + } + error(location, message); + } + return unknownType; } + return type; } - function checkGrammarTypeParameterList(typeParameters, file) { - if (checkGrammarForDisallowedTrailingComma(typeParameters)) { - return true; + function getPromisedType(promise) { + if (isTypeAny(promise)) { + return undefined; } - if (typeParameters && typeParameters.length === 0) { - var start = typeParameters.pos - "<".length; - var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; - return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); + if (getObjectFlags(promise) & 4) { + if (promise.target === tryGetGlobalPromiseType() + || promise.target === getGlobalPromiseLikeType()) { + return promise.typeArguments[0]; + } + } + var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); + if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { + return undefined; + } + var thenFunction = getTypeOfPropertyOfType(promise, "then"); + if (!thenFunction || isTypeAny(thenFunction)) { + return undefined; + } + var thenSignatures = getSignaturesOfType(thenFunction, 0); + if (thenSignatures.length === 0) { + return undefined; + } + var onfulfilledParameterType = getTypeWithFacts(getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)), 131072); + if (isTypeAny(onfulfilledParameterType)) { + return undefined; + } + var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); + if (onfulfilledParameterSignatures.length === 0) { + return undefined; } + return getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature), true); } - function checkGrammarParameterList(parameters) { - var seenOptionalParameter = false; - var parameterCount = parameters.length; - for (var i = 0; i < parameterCount; i++) { - var parameter = parameters[i]; - if (parameter.dotDotDotToken) { - if (i !== (parameterCount - 1)) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); - } - if (ts.isBindingPattern(parameter.name)) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + function getTypeOfFirstParameterOfSignature(signature) { + return signature.parameters.length > 0 ? getTypeAtPosition(signature, 0) : neverType; + } + function getAwaitedType(type) { + return checkAwaitedType(type, undefined, undefined); + } + function checkAwaitedType(type, location, message) { + return checkAwaitedTypeWorker(type); + function checkAwaitedTypeWorker(type) { + if (type.flags & 65536) { + var types = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var constituentType = _a[_i]; + types.push(checkAwaitedTypeWorker(constituentType)); } + return getUnionType(types, true); } - else if (parameter.questionToken) { - seenOptionalParameter = true; - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + else { + var promisedType = getPromisedType(type); + if (promisedType === undefined) { + return checkNonThenableType(type, location, message); + } + else { + if (type.id === promisedType.id || ts.indexOf(awaitedTypeStack, promisedType.id) >= 0) { + if (location) { + error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); + } + return unknownType; + } + awaitedTypeStack.push(type.id); + var awaitedType = checkAwaitedTypeWorker(promisedType); + awaitedTypeStack.pop(); + return awaitedType; } - } - else if (seenOptionalParameter && !parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); } } } - function checkGrammarFunctionLikeDeclaration(node) { - var file = ts.getSourceFileOfNode(node); - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node.typeParameters, file) || - checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); + function checkCorrectPromiseType(returnType, location, diagnostic, typeName) { + if (returnType === unknownType) { + return unknownType; + } + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType === emptyGenericType + || globalPromiseType === getTargetType(returnType)) { + return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + error(location, diagnostic, typeName); + return unknownType; } - function checkGrammarArrowFunction(node, file) { - if (node.kind === 181) { - var arrowFunction = node; - var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; - if (startLine !== endLine) { - return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + function checkAsyncFunctionReturnType(node) { + if (languageVersion >= 2) { + var returnType = getTypeFromTypeNode(node.type); + return checkCorrectPromiseType(returnType, node.type, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); + } + var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); + if (globalPromiseConstructorLikeType === emptyObjectType) { + return unknownType; + } + var promiseType = getTypeFromTypeNode(node.type); + if (promiseType === unknownType && compilerOptions.isolatedModules) { + return unknownType; + } + var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; + if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { + var typeName = promiseConstructor + ? symbolToString(promiseConstructor) + : typeToString(promiseType); + return checkCorrectPromiseType(promiseType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); + } + checkReturnTypeAnnotationAsExpression(node); + var promiseConstructorType = getTypeOfSymbol(promiseConstructor); + if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { + return unknownType; + } + var promiseName = ts.getEntityNameFromTypeNode(node.type); + var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); + var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); + if (rootSymbol) { + error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); + return unknownType; + } + return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + function checkDecorator(node) { + var signature = getResolvedSignature(node); + var returnType = getReturnTypeOfSignature(signature); + if (returnType.flags & 1) { + return; + } + var expectedReturnType; + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + var errorInfo; + switch (node.parent.kind) { + case 222: + var classSymbol = getSymbolOfNode(node.parent); + var classConstructorType = getTypeOfSymbol(classSymbol); + expectedReturnType = getUnionType([classConstructorType, voidType]); + break; + case 143: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); + break; + case 146: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); + break; + case 148: + case 150: + case 151: + var methodType = getTypeOfNode(node.parent); + var descriptorType = createTypedPropertyDescriptorType(methodType); + expectedReturnType = getUnionType([descriptorType, voidType]); + break; + } + checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + } + function checkTypeNodeAsExpression(node) { + if (node && node.kind === 156) { + var root = getFirstIdentifier(node.typeName); + var meaning = root.parent.kind === 156 ? 793064 : 1920; + var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); + if (rootSymbol && rootSymbol.flags & 8388608) { + var aliasTarget = resolveAlias(rootSymbol); + if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { + markAliasSymbolAsReferenced(rootSymbol); + } } } - return false; } - function checkGrammarIndexSignatureParameters(node) { - var parameter = node.parameters[0]; - if (node.parameters.length !== 1) { - if (parameter) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - else { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } + function checkTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkReturnTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkParameterTypeAnnotationsAsExpressions(node) { + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + checkTypeAnnotationAsExpression(parameter); } - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); + } + function checkDecorators(node) { + if (!node.decorators) { + return; } - if (ts.getModifierFlags(parameter) !== 0) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); + if (!ts.nodeCanBeDecorated(node)) { + return; } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); + if (!compilerOptions.experimentalDecorators) { + error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); + if (compilerOptions.emitDecoratorMetadata) { + switch (node.kind) { + case 222: + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + checkParameterTypeAnnotationsAsExpressions(constructor); + } + break; + case 148: + case 150: + case 151: + checkParameterTypeAnnotationsAsExpressions(node); + checkReturnTypeAnnotationAsExpression(node); + break; + case 146: + case 143: + checkTypeAnnotationAsExpression(node); + break; + } } - if (!parameter.type) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); + ts.forEach(node.decorators, checkDecorator); + } + function checkFunctionDeclaration(node) { + if (produceDiagnostics) { + checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); } - if (parameter.type.kind !== 133 && parameter.type.kind !== 131) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + function checkFunctionOrMethodDeclaration(node) { + checkDecorators(node); + checkSignatureDeclaration(node); + var isAsync = ts.isAsyncFunctionLike(node); + if (node.name && node.name.kind === 141) { + checkComputedPropertyName(node.name); } - if (!node.type) { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); + if (!ts.hasDynamicName(node)) { + var symbol = getSymbolOfNode(node); + var localSymbol = node.localSymbol || symbol; + var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? + declaration : undefined; }); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(localSymbol); + } + if (symbol.parent) { + if (ts.getDeclarationOfKind(symbol, node.kind) === node) { + checkFunctionOrConstructorSymbol(symbol); + } + } } - } - function checkGrammarIndexSignature(node) { - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node); - } - function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { - if (typeArguments && typeArguments.length === 0) { - var sourceFile = ts.getSourceFileOfNode(node); - var start = typeArguments.pos - "<".length; - var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + checkSourceElement(node.body); + if (!node.asteriskToken) { + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (produceDiagnostics && !node.type) { + if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { + reportImplicitAnyError(node, anyType); + } + if (node.asteriskToken && ts.nodeIsPresent(node.body)) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } } + registerForUnusedIdentifiersCheck(node); } - function checkGrammarTypeArguments(node, typeArguments) { - return checkGrammarForDisallowedTrailingComma(typeArguments) || - checkGrammarForAtLeastOneTypeArgument(node, typeArguments); + function registerForUnusedIdentifiersCheck(node) { + if (deferredUnusedIdentifierNodes) { + deferredUnusedIdentifierNodes.push(node); + } } - function checkGrammarForOmittedArgument(node, args) { - if (args) { - var sourceFile = ts.getSourceFileOfNode(node); - for (var _i = 0, args_4 = args; _i < args_4.length; _i++) { - var arg = args_4[_i]; - if (arg.kind === 194) { - return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + function checkUnusedIdentifiers() { + if (deferredUnusedIdentifierNodes) { + for (var _i = 0, deferredUnusedIdentifierNodes_1 = deferredUnusedIdentifierNodes; _i < deferredUnusedIdentifierNodes_1.length; _i++) { + var node = deferredUnusedIdentifierNodes_1[_i]; + switch (node.kind) { + case 256: + case 226: + checkUnusedModuleMembers(node); + break; + case 222: + case 193: + checkUnusedClassMembers(node); + checkUnusedTypeParameters(node); + break; + case 223: + checkUnusedTypeParameters(node); + break; + case 200: + case 228: + case 207: + case 208: + case 209: + checkUnusedLocalsAndParameters(node); + break; + case 149: + case 180: + case 221: + case 181: + case 148: + case 150: + case 151: + if (node.body) { + checkUnusedLocalsAndParameters(node); + } + checkUnusedTypeParameters(node); + break; + case 147: + case 152: + case 153: + case 154: + case 157: + case 158: + checkUnusedTypeParameters(node); + break; } + ; } } } - function checkGrammarArguments(node, args) { - return checkGrammarForOmittedArgument(node, args); - } - function checkGrammarHeritageClause(node) { - var types = node.types; - if (checkGrammarForDisallowedTrailingComma(types)) { - return true; + function checkUnusedLocalsAndParameters(node) { + if (node.parent.kind !== 223 && noUnusedIdentifiers && !ts.isInAmbientContext(node)) { + var _loop_2 = function (key) { + var local = node.locals[key]; + if (!local.isReferenced) { + if (local.valueDeclaration && ts.getRootDeclaration(local.valueDeclaration).kind === 143) { + var parameter = ts.getRootDeclaration(local.valueDeclaration); + if (compilerOptions.noUnusedParameters && + !ts.isParameterPropertyDeclaration(parameter) && + !ts.parameterIsThisKeyword(parameter) && + !parameterNameStartsWithUnderscore(local.valueDeclaration.name)) { + error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); + } + } + else if (compilerOptions.noUnusedLocals) { + ts.forEach(local.declarations, function (d) { return errorUnusedLocal(d.name || d, local.name); }); + } + } + }; + for (var key in node.locals) { + _loop_2(key); + } } - if (types && types.length === 0) { - var listType = ts.tokenToString(node.token); - var sourceFile = ts.getSourceFileOfNode(node); - return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + function errorUnusedLocal(node, name) { + if (isIdentifierThatStartsWithUnderScore(node)) { + var declaration = ts.getRootDeclaration(node.parent); + if (declaration.kind === 219 && + (declaration.parent.parent.kind === 208 || + declaration.parent.parent.kind === 209)) { + return; + } } + error(node, ts.Diagnostics._0_is_declared_but_never_used, name); } - function checkGrammarClassDeclarationHeritageClauses(node) { - var seenExtendsClause = false; - var seenImplementsClause = false; - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 84) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + function parameterNameStartsWithUnderscore(parameterName) { + return parameterName && isIdentifierThatStartsWithUnderScore(parameterName); + } + function isIdentifierThatStartsWithUnderScore(node) { + return node.kind === 70 && node.text.charCodeAt(0) === 95; + } + function checkUnusedClassMembers(node) { + if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { + if (node.members) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 148 || member.kind === 146) { + if (!member.symbol.isReferenced && ts.getModifierFlags(member) & 8) { + error(member.name, ts.Diagnostics._0_is_declared_but_never_used, member.symbol.name); + } } - if (heritageClause.types.length > 1) { - return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + else if (member.kind === 149) { + for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { + var parameter = _c[_b]; + if (!parameter.symbol.isReferenced && ts.getModifierFlags(parameter) & 8) { + error(parameter.name, ts.Diagnostics.Property_0_is_declared_but_never_used, parameter.symbol.name); + } + } } - seenExtendsClause = true; } - else { - ts.Debug.assert(heritageClause.token === 107); - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + } + } + function checkUnusedTypeParameters(node) { + if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { + if (node.typeParameters) { + var symbol = getSymbolOfNode(node); + var lastDeclaration = symbol && symbol.declarations && ts.lastOrUndefined(symbol.declarations); + if (lastDeclaration !== node) { + return; + } + for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) { + var typeParameter = _a[_i]; + if (!getMergedSymbol(typeParameter.symbol).isReferenced) { + error(typeParameter.name, ts.Diagnostics._0_is_declared_but_never_used, typeParameter.symbol.name); } - seenImplementsClause = true; } - checkGrammarHeritageClause(heritageClause); } } } - function checkGrammarInterfaceDeclaration(node) { - var seenExtendsClause = false; - if (node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 84) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + function checkUnusedModuleMembers(node) { + if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { + for (var key in node.locals) { + var local = node.locals[key]; + if (!local.isReferenced && !local.exportSymbol) { + for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (!ts.isAmbientModule(declaration)) { + error(declaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); + } } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 107); - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); } - checkGrammarHeritageClause(heritageClause); } } - return false; } - function checkGrammarComputedPropertyName(node) { - if (node.kind !== 141) { - return false; + function checkBlock(node) { + if (node.kind === 200) { + checkGrammarStatementInAmbientContext(node); } - var computedPropertyName = node; - if (computedPropertyName.expression.kind === 188 && computedPropertyName.expression.operatorToken.kind === 25) { - return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + ts.forEach(node.statements, checkSourceElement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); } } - function checkGrammarForGenerator(node) { - if (node.asteriskToken) { - ts.Debug.assert(node.kind === 221 || - node.kind === 180 || - node.kind === 148); - if (ts.isInAmbientContext(node)) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); - } - if (!node.body) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); - } - if (languageVersion < 2) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher); + function checkCollisionWithArgumentsInGeneratedCode(node) { + if (!ts.hasDeclaredRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { + return; + } + ts.forEach(node.parameters, function (p) { + if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { + error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); } + }); + } + function needCollisionCheckForIdentifier(node, identifier, name) { + if (!(identifier && identifier.text === name)) { + return false; + } + if (node.kind === 146 || + node.kind === 145 || + node.kind === 148 || + node.kind === 147 || + node.kind === 150 || + node.kind === 151) { + return false; + } + if (ts.isInAmbientContext(node)) { + return false; + } + var root = ts.getRootDeclaration(node); + if (root.kind === 143 && ts.nodeIsMissing(root.parent.body)) { + return false; } + return true; } - function checkGrammarForInvalidQuestionMark(questionToken, message) { - if (questionToken) { - return grammarErrorOnNode(questionToken, message); + function checkCollisionWithCapturedThisVariable(node, name) { + if (needCollisionCheckForIdentifier(node, name, "_this")) { + potentialThisCollisions.push(node); } } - function checkGrammarObjectLiteralExpression(node, inDestructuring) { - var seen = ts.createMap(); - var Property = 1; - var GetAccessor = 2; - var SetAccessor = 4; - var GetOrSetAccessor = GetAccessor | SetAccessor; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - var name_24 = prop.name; - if (name_24.kind === 141) { - checkGrammarComputedPropertyName(name_24); - } - if (prop.kind === 254 && !inDestructuring && prop.objectAssignmentInitializer) { - return grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment); - } - if (prop.modifiers) { - for (var _b = 0, _c = prop.modifiers; _b < _c.length; _b++) { - var mod = _c[_b]; - if (mod.kind !== 119 || prop.kind !== 148) { - grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); - } - } - } - var currentKind = void 0; - if (prop.kind === 253 || prop.kind === 254) { - checkGrammarForInvalidQuestionMark(prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); - if (name_24.kind === 8) { - checkGrammarNumericLiteral(name_24); - } - currentKind = Property; - } - else if (prop.kind === 148) { - currentKind = Property; - } - else if (prop.kind === 150) { - currentKind = GetAccessor; - } - else if (prop.kind === 151) { - currentKind = SetAccessor; - } - else { - ts.Debug.fail("Unexpected syntax kind:" + prop.kind); - } - var effectiveName = ts.getPropertyNameForPropertyNameNode(name_24); - if (effectiveName === undefined) { - continue; - } - if (!seen[effectiveName]) { - seen[effectiveName] = currentKind; - } - else { - var existingKind = seen[effectiveName]; - if (currentKind === Property && existingKind === Property) { - grammarErrorOnNode(name_24, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(name_24)); - } - else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { - if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { - seen[effectiveName] = currentKind | existingKind; - } - else { - return grammarErrorOnNode(name_24, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name); - } + function checkIfThisIsCapturedInEnclosingScope(node) { + var current = node; + while (current) { + if (getNodeCheckFlags(current) & 4) { + var isDeclaration_1 = node.kind !== 70; + if (isDeclaration_1) { + error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); } else { - return grammarErrorOnNode(name_24, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name); + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); } + return; } + current = current.parent; } } - function checkGrammarJsxElement(node) { - var seen = ts.createMap(); - for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { - var attr = _a[_i]; - if (attr.kind === 247) { - continue; - } - var jsxAttr = attr; - var name_25 = jsxAttr.name; - if (!seen[name_25.text]) { - seen[name_25.text] = true; + function checkCollisionWithCapturedSuperVariable(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "_super")) { + return; + } + var enclosingClass = ts.getContainingClass(node); + if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { + return; + } + if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { + var isDeclaration_2 = node.kind !== 70; + if (isDeclaration_2) { + error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); } else { - return grammarErrorOnNode(name_25, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); - } - var initializer = jsxAttr.initializer; - if (initializer && initializer.kind === 248 && !initializer.expression) { - return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); + error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); } } } - function checkGrammarForInOrForOfStatement(forInOrOfStatement) { - if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { - return true; + function checkCollisionWithRequireExportsInGeneratedCode(node, name) { + if (modulekind >= ts.ModuleKind.ES2015) { + return; } - if (forInOrOfStatement.initializer.kind === 220) { - var variableList = forInOrOfStatement.initializer; - if (!checkGrammarVariableDeclarationList(variableList)) { - var declarations = variableList.declarations; - if (!declarations.length) { - return false; - } - if (declarations.length > 1) { - var diagnostic = forInOrOfStatement.kind === 208 - ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement - : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; - return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); - } - var firstDeclaration = declarations[0]; - if (firstDeclaration.initializer) { - var diagnostic = forInOrOfStatement.kind === 208 - ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer - : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; - return grammarErrorOnNode(firstDeclaration.name, diagnostic); - } - if (firstDeclaration.type) { - var diagnostic = forInOrOfStatement.kind === 208 - ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation - : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; - return grammarErrorOnNode(firstDeclaration, diagnostic); + if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { + return; + } + if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent)) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "Promise")) { + return; + } + if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 8192) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkVarDeclaredNamesNotShadowed(node) { + if ((ts.getCombinedNodeFlags(node) & 3) !== 0 || ts.isParameterDeclaration(node)) { + return; + } + if (node.kind === 219 && !node.initializer) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol.flags & 1) { + var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); + if (localDeclarationSymbol && + localDeclarationSymbol !== symbol && + localDeclarationSymbol.flags & 2) { + if (getDeclarationNodeFlagsFromSymbol(localDeclarationSymbol) & 3) { + var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 220); + var container = varDeclList.parent.kind === 201 && varDeclList.parent.parent + ? varDeclList.parent.parent + : undefined; + var namesShareScope = container && + (container.kind === 200 && ts.isFunctionLike(container.parent) || + container.kind === 227 || + container.kind === 226 || + container.kind === 256); + if (!namesShareScope) { + var name_23 = symbolToString(localDeclarationSymbol); + error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_23, name_23); + } } } } - return false; } - function checkGrammarAccessor(accessor) { - var kind = accessor.kind; - if (languageVersion < 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); - } - else if (ts.isInAmbientContext(accessor)) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); - } - else if (accessor.body === undefined && !(ts.getModifierFlags(accessor) & 128)) { - return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - else if (accessor.typeParameters) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); - } - else if (!doesAccessorHaveCorrectParameterCount(accessor)) { - return grammarErrorOnNode(accessor.name, kind === 150 ? - ts.Diagnostics.A_get_accessor_cannot_have_parameters : - ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); + function checkParameterInitializer(node) { + if (ts.getRootDeclaration(node).kind !== 143) { + return; } - else if (kind === 151) { - if (accessor.type) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + var func = ts.getContainingFunction(node); + visit(node.initializer); + function visit(n) { + if (ts.isTypeNode(n) || ts.isDeclarationName(n)) { + return; } - else { - var parameter = accessor.parameters[0]; - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); + if (n.kind === 173) { + return visit(n.expression); + } + else if (n.kind === 70) { + var symbol = resolveName(n, n.text, 107455 | 8388608, undefined, undefined); + if (!symbol || symbol === unknownSymbol || !symbol.valueDeclaration) { + return; } - else if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + if (symbol.valueDeclaration === node) { + error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); + return; } - else if (parameter.initializer) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); + var enclosingContainer = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (enclosingContainer === func) { + if (symbol.valueDeclaration.kind === 143) { + if (symbol.valueDeclaration.pos < node.pos) { + return; + } + var current = n; + while (current !== node.initializer) { + if (ts.isFunctionLike(current.parent)) { + return; + } + if (current.parent.kind === 146 && + !(ts.hasModifier(current.parent, 32)) && + ts.isClassLike(current.parent.parent)) { + return; + } + current = current.parent; + } + } + error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); } } + else { + return ts.forEachChild(n, visit); + } } } - function doesAccessorHaveCorrectParameterCount(accessor) { - return getAccessorThisParameter(accessor) || accessor.parameters.length === (accessor.kind === 150 ? 0 : 1); - } - function getAccessorThisParameter(accessor) { - if (accessor.parameters.length === (accessor.kind === 150 ? 1 : 2)) { - return ts.getThisParameter(accessor); - } - } - function checkGrammarForNonSymbolComputedProperty(node, message) { - if (ts.isDynamicName(node)) { - return grammarErrorOnNode(node, message); - } + function convertAutoToAny(type) { + return type === autoType ? anyType : type === autoArrayType ? anyArrayType : type; } - function checkGrammarMethod(node) { - if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || - checkGrammarFunctionLikeDeclaration(node) || - checkGrammarForGenerator(node)) { - return true; - } - if (node.parent.kind === 172) { - if (checkGrammarForInvalidQuestionMark(node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional)) { - return true; - } - else if (node.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + function checkVariableLikeDeclaration(node) { + checkDecorators(node); + checkSourceElement(node.type); + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); + if (node.initializer) { + checkExpressionCached(node.initializer); } } - if (ts.isClassLike(node.parent)) { - if (ts.isInAmbientContext(node)) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + if (node.kind === 170) { + if (node.propertyName && node.propertyName.kind === 141) { + checkComputedPropertyName(node.propertyName); } - else if (!node.body) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + var parent_13 = node.parent.parent; + var parentType = getTypeForBindingElementParent(parent_13); + var name_24 = node.propertyName || node.name; + var property = getPropertyOfType(parentType, getTextOfPropertyName(name_24)); + if (parent_13.initializer && property && getParentOfSymbol(property)) { + checkClassPropertyAccess(parent_13, parent_13.initializer, parentType, property); } } - else if (node.parent.kind === 223) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); + if (ts.isBindingPattern(node.name)) { + ts.forEach(node.name.elements, checkSourceElement); } - else if (node.parent.kind === 160) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); + if (node.initializer && ts.getRootDeclaration(node).kind === 143 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { + error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); + return; } - } - function checkGrammarBreakOrContinueStatement(node) { - var current = node; - while (current) { - if (ts.isFunctionLike(current)) { - return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); - } - switch (current.kind) { - case 215: - if (node.label && current.label.text === node.label.text) { - var isMisplacedContinueLabel = node.kind === 210 - && !ts.isIterationStatement(current.statement, true); - if (isMisplacedContinueLabel) { - return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); - } - return false; - } - break; - case 214: - if (node.kind === 211 && !node.label) { - return false; - } - break; - default: - if (ts.isIterationStatement(current, false) && !node.label) { - return false; - } - break; + if (ts.isBindingPattern(node.name)) { + if (node.initializer && node.parent.parent.kind !== 208) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); + checkParameterInitializer(node); } - current = current.parent; + return; } - if (node.label) { - var message = node.kind === 211 - ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement - : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); + var symbol = getSymbolOfNode(node); + var type = convertAutoToAny(getTypeOfVariableOrParameterOrProperty(symbol)); + if (node === symbol.valueDeclaration) { + if (node.initializer && node.parent.parent.kind !== 208) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); + checkParameterInitializer(node); + } } else { - var message = node.kind === 211 - ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement - : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - } - function checkGrammarBindingElement(node) { - if (node.dotDotDotToken) { - var elements = node.parent.elements; - if (node !== ts.lastOrUndefined(elements)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - if (node.name.kind === 169 || node.name.kind === 168) { - return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + var declarationType = convertAutoToAny(getWidenedTypeForVariableLikeDeclaration(node)); + if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { + error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); } if (node.initializer) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - } - } - function isStringOrNumberLiteralExpression(expr) { - return expr.kind === 9 || expr.kind === 8 || - expr.kind === 186 && expr.operator === 37 && - expr.operand.kind === 8; - } - function checkGrammarVariableDeclaration(node) { - if (node.parent.parent.kind !== 208 && node.parent.parent.kind !== 209) { - if (ts.isInAmbientContext(node)) { - if (node.initializer) { - if (ts.isConst(node) && !node.type) { - if (!isStringOrNumberLiteralExpression(node.initializer)) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal); - } - } - else { - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - if (node.initializer && !(ts.isConst(node) && isStringOrNumberLiteralExpression(node.initializer))) { - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - else if (!node.initializer) { - if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); - } - if (ts.isConst(node)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); - } + checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); } - } - var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); - return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); - } - function checkGrammarNameInLetOrConstDeclarations(name) { - if (name.kind === 70) { - if (name.originalKeywordKind === 109) { - return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + if (!areDeclarationFlagsIdentical(node, symbol.valueDeclaration)) { + error(symbol.valueDeclaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); + error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); } } - else { - var elements = name.elements; - for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { - var element = elements_2[_i]; - if (!ts.isOmittedExpression(element)) { - checkGrammarNameInLetOrConstDeclarations(element.name); - } + if (node.kind !== 146 && node.kind !== 145) { + checkExportsOnMergedDeclarations(node); + if (node.kind === 219 || node.kind === 170) { + checkVarDeclaredNamesNotShadowed(node); } + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); } } - function checkGrammarVariableDeclarationList(declarationList) { - var declarations = declarationList.declarations; - if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + function areDeclarationFlagsIdentical(left, right) { + if ((left.kind === 143 && right.kind === 219) || + (left.kind === 219 && right.kind === 143)) { return true; } - if (!declarationList.declarations.length) { - return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + if (ts.hasQuestionToken(left) !== ts.hasQuestionToken(right)) { + return false; } + var interestingFlags = 8 | + 16 | + 256 | + 128 | + 64 | + 32; + return (ts.getModifierFlags(left) & interestingFlags) === (ts.getModifierFlags(right) & interestingFlags); } - function allowLetAndConstDeclarations(parent) { - switch (parent.kind) { - case 204: - case 205: - case 206: - case 213: - case 207: - case 208: - case 209: - return false; - case 215: - return allowLetAndConstDeclarations(parent.parent); - } - return true; + function checkVariableDeclaration(node) { + checkGrammarVariableDeclaration(node); + return checkVariableLikeDeclaration(node); } - function checkGrammarForDisallowedLetOrConstStatement(node) { - if (!allowLetAndConstDeclarations(node.parent)) { - if (ts.isLet(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + function checkBindingElement(node) { + checkGrammarBindingElement(node); + return checkVariableLikeDeclaration(node); + } + function checkVariableStatement(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); + ts.forEach(node.declarationList.declarations, checkSourceElement); + } + function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { + if (node.modifiers && node.parent.kind === 172) { + if (ts.isAsyncFunctionLike(node)) { + if (node.modifiers.length > 1) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } } - else if (ts.isConst(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); } } } - function hasParseDiagnostics(sourceFile) { - return sourceFile.parseDiagnostics.length > 0; + function checkExpressionStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); } - function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span_4 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, span_4.start, span_4.length, message, arg0, arg1, arg2)); - return true; + function checkIfStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.thenStatement); + if (node.thenStatement.kind === 202) { + error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); } + checkSourceElement(node.elseStatement); } - function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); - return true; - } + function checkDoStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkSourceElement(node.statement); + checkExpression(node.expression); } - function grammarErrorOnNode(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); - return true; - } + function checkWhileStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.statement); } - function checkGrammarConstructorTypeParameters(node) { - if (node.typeParameters) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + function checkForStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.initializer && node.initializer.kind === 220) { + checkGrammarVariableDeclarationList(node.initializer); + } } - } - function checkGrammarConstructorTypeAnnotation(node) { - if (node.type) { - return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); + if (node.initializer) { + if (node.initializer.kind === 220) { + ts.forEach(node.initializer.declarations, checkVariableDeclaration); + } + else { + checkExpression(node.initializer); + } + } + if (node.condition) + checkExpression(node.condition); + if (node.incrementor) + checkExpression(node.incrementor); + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); } } - function checkGrammarProperty(node) { - if (ts.isClassLike(node.parent)) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { - return true; - } + function checkForOfStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 220) { + checkForInOrForOfVariableDeclaration(node); } - else if (node.parent.kind === 223) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { - return true; + else { + var varExpr = node.initializer; + var iteratedType = checkRightHandSideOfForOf(node.expression); + if (varExpr.kind === 171 || varExpr.kind === 172) { + checkDestructuringAssignment(varExpr, iteratedType || unknownType); } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + else { + var leftType = checkExpression(varExpr); + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property); + if (iteratedType) { + checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); + } } } - else if (node.parent.kind === 160) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { - return true; + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); + } + } + function checkForInStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 220) { + var variable = node.initializer.declarations[0]; + if (variable && ts.isBindingPattern(variable.name)) { + error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var leftType = checkExpression(varExpr); + if (varExpr.kind === 171 || varExpr.kind === 172) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34)) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + } + else { + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property); } } - if (ts.isInAmbientContext(node) && node.initializer) { - return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + var rightType = checkNonNullExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 16384)) { + error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); } } - function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { - if (node.kind === 223 || - node.kind === 224 || - node.kind === 231 || - node.kind === 230 || - node.kind === 237 || - node.kind === 236 || - node.kind === 229 || - ts.getModifierFlags(node) & (2 | 1 | 512)) { - return false; + function checkForInOrForOfVariableDeclaration(iterationStatement) { + var variableDeclarationList = iterationStatement.initializer; + if (variableDeclarationList.declarations.length >= 1) { + var decl = variableDeclarationList.declarations[0]; + checkVariableDeclaration(decl); } - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); } - function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var decl = _a[_i]; - if (ts.isDeclaration(decl) || decl.kind === 201) { - if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { - return true; - } + function checkRightHandSideOfForOf(rhsExpression) { + var expressionType = checkNonNullExpression(rhsExpression); + return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); + } + function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { + if (isTypeAny(inputType)) { + return inputType; + } + if (languageVersion >= 2) { + return checkElementTypeOfIterable(inputType, errorNode); + } + if (allowStringInput) { + return checkElementTypeOfArrayOrString(inputType, errorNode); + } + if (isArrayLikeType(inputType)) { + var indexType = getIndexTypeOfType(inputType, 1); + if (indexType) { + return indexType; } } + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + } + return unknownType; } - function checkGrammarSourceFile(node) { - return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); + function checkElementTypeOfIterable(iterable, errorNode) { + var elementType = getElementTypeOfIterable(iterable, errorNode); + if (errorNode && elementType) { + checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + } + return elementType || anyType; } - function checkGrammarStatementInAmbientContext(node) { - if (ts.isInAmbientContext(node)) { - if (isAccessor(node.parent.kind)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = true; - } - var links = getNodeLinks(node); - if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + function getElementTypeOfIterable(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterable = type; + if (!typeAsIterable.iterableElementType) { + if ((getObjectFlags(type) & 4) && type.target === getGlobalIterableType()) { + typeAsIterable.iterableElementType = type.typeArguments[0]; } - if (node.parent.kind === 200 || node.parent.kind === 227 || node.parent.kind === 256) { - var links_1 = getNodeLinks(node.parent); - if (!links_1.hasReportedStatementInAmbientContext) { - return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + else { + var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); + if (isTypeAny(iteratorFunction)) { + return undefined; + } + var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; + if (iteratorFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + } + return undefined; } + typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature), true), errorNode); + } + } + return typeAsIterable.iterableElementType; + } + function getElementTypeOfIterator(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterator = type; + if (!typeAsIterator.iteratorElementType) { + if ((getObjectFlags(type) & 4) && type.target === getGlobalIteratorType()) { + typeAsIterator.iteratorElementType = type.typeArguments[0]; } else { + var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); + if (isTypeAny(iteratorNextFunction)) { + return undefined; + } + var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; + if (iteratorNextFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); + } + return undefined; + } + var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature), true); + if (isTypeAny(iteratorNextResult)) { + return undefined; + } + var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); + if (!iteratorNextValue) { + if (errorNode) { + error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + return undefined; + } + typeAsIterator.iteratorElementType = iteratorNextValue; } } + return typeAsIterator.iteratorElementType; } - function checkGrammarNumericLiteral(node) { - if (node.isOctalLiteral && languageVersion >= 1) { - return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); + function getElementTypeOfIterableIterator(type) { + if (isTypeAny(type)) { + return undefined; } - } - function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span_5 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span_5), 0, message, arg0, arg1, arg2)); - return true; + if ((getObjectFlags(type) & 4) && type.target === getGlobalIterableIteratorType()) { + return type.typeArguments[0]; } + return getElementTypeOfIterable(type, undefined) || + getElementTypeOfIterator(type, undefined); } - function getAmbientModules() { - var result = []; - for (var sym in globals) { - if (ambientModuleSymbolRegex.test(sym)) { - result.push(globals[sym]); + function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { + ts.Debug.assert(languageVersion < 2); + var arrayType = arrayOrStringType; + if (arrayOrStringType.flags & 65536) { + arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34); }), true); + } + else if (arrayOrStringType.flags & 34) { + arrayType = neverType; + } + var hasStringConstituent = arrayOrStringType !== arrayType; + var reportedError = false; + if (hasStringConstituent) { + if (languageVersion < 1) { + error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); + reportedError = true; + } + if (arrayType.flags & 8192) { + return stringType; } } - return result; + if (!isArrayLikeType(arrayType)) { + if (!reportedError) { + var diagnostic = hasStringConstituent + ? ts.Diagnostics.Type_0_is_not_an_array_type + : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; + error(errorNode, diagnostic, typeToString(arrayType)); + } + return hasStringConstituent ? stringType : unknownType; + } + var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; + if (hasStringConstituent) { + if (arrayElementType.flags & 34) { + return stringType; + } + return getUnionType([arrayElementType, stringType], true); + } + return arrayElementType; } - } - ts.createTypeChecker = createTypeChecker; -})(ts || (ts = {})); -var ts; -(function (ts) { - ; - var nodeEdgeTraversalMap = ts.createMap((_a = {}, - _a[140] = [ - { name: "left", test: ts.isEntityName }, - { name: "right", test: ts.isIdentifier } - ], - _a[144] = [ - { name: "expression", test: ts.isLeftHandSideExpression } - ], - _a[178] = [ - { name: "type", test: ts.isTypeNode }, - { name: "expression", test: ts.isUnaryExpression } - ], - _a[196] = [ - { name: "expression", test: ts.isExpression }, - { name: "type", test: ts.isTypeNode } - ], - _a[197] = [ - { name: "expression", test: ts.isLeftHandSideExpression } - ], - _a[225] = [ - { name: "decorators", test: ts.isDecorator }, - { name: "modifiers", test: ts.isModifier }, - { name: "name", test: ts.isIdentifier }, - { name: "members", test: ts.isEnumMember } - ], - _a[226] = [ - { name: "decorators", test: ts.isDecorator }, - { name: "modifiers", test: ts.isModifier }, - { name: "name", test: ts.isModuleName }, - { name: "body", test: ts.isModuleBody } - ], - _a[227] = [ - { name: "statements", test: ts.isStatement } - ], - _a[230] = [ - { name: "decorators", test: ts.isDecorator }, - { name: "modifiers", test: ts.isModifier }, - { name: "name", test: ts.isIdentifier }, - { name: "moduleReference", test: ts.isModuleReference } - ], - _a[241] = [ - { name: "expression", test: ts.isExpression, optional: true } - ], - _a[255] = [ - { name: "name", test: ts.isPropertyName }, - { name: "initializer", test: ts.isExpression, optional: true, parenthesize: ts.parenthesizeExpressionForList } - ], - _a)); - function reduceNode(node, f, initial) { - return node ? f(initial, node) : initial; - } - function reduceEachChild(node, f, initial) { - if (node === undefined) { - return initial; + function checkBreakOrContinueStatement(node) { + checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); } - var kind = node.kind; - if ((kind > 0 && kind <= 139)) { - return initial; + function isGetAccessorWithAnnotatedSetAccessor(node) { + return !!(node.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 151))); } - if ((kind >= 155 && kind <= 167)) { - return initial; + function isUnwrappedReturnTypeVoidOrAny(func, returnType) { + var unwrappedReturnType = ts.isAsyncFunctionLike(func) ? getPromisedType(returnType) : returnType; + return unwrappedReturnType && maybeTypeOfKind(unwrappedReturnType, 1024 | 1); } - var result = initial; - switch (node.kind) { - case 199: - case 202: - case 194: - case 218: - case 287: - break; - case 141: - result = reduceNode(node.expression, f, result); - break; - case 143: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 144: - result = reduceNode(node.expression, f, result); - break; - case 146: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 148: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 149: - result = ts.reduceLeft(node.modifiers, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.body, f, result); - break; - case 150: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 151: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.body, f, result); - break; - case 168: - case 169: - result = ts.reduceLeft(node.elements, f, result); - break; - case 170: - result = reduceNode(node.propertyName, f, result); - result = reduceNode(node.name, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 171: - result = ts.reduceLeft(node.elements, f, result); - break; - case 172: - result = ts.reduceLeft(node.properties, f, result); - break; - case 173: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.name, f, result); - break; - case 174: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.argumentExpression, f, result); - break; - case 175: - result = reduceNode(node.expression, f, result); - result = ts.reduceLeft(node.typeArguments, f, result); - result = ts.reduceLeft(node.arguments, f, result); - break; - case 176: - result = reduceNode(node.expression, f, result); - result = ts.reduceLeft(node.typeArguments, f, result); - result = ts.reduceLeft(node.arguments, f, result); - break; - case 177: - result = reduceNode(node.tag, f, result); - result = reduceNode(node.template, f, result); - break; - case 180: - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 181: - result = ts.reduceLeft(node.modifiers, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 179: - case 182: - case 183: - case 184: - case 185: - case 191: - case 192: - case 197: - result = reduceNode(node.expression, f, result); - break; - case 186: - case 187: - result = reduceNode(node.operand, f, result); - break; - case 188: - result = reduceNode(node.left, f, result); - result = reduceNode(node.right, f, result); - break; - case 189: - result = reduceNode(node.condition, f, result); - result = reduceNode(node.whenTrue, f, result); - result = reduceNode(node.whenFalse, f, result); - break; - case 190: - result = reduceNode(node.head, f, result); - result = ts.reduceLeft(node.templateSpans, f, result); - break; - case 193: - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.heritageClauses, f, result); - result = ts.reduceLeft(node.members, f, result); - break; - case 195: - result = reduceNode(node.expression, f, result); - result = ts.reduceLeft(node.typeArguments, f, result); - break; - case 198: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.literal, f, result); - break; - case 200: - result = ts.reduceLeft(node.statements, f, result); - break; - case 201: - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.declarationList, f, result); - break; - case 203: - result = reduceNode(node.expression, f, result); - break; - case 204: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.thenStatement, f, result); - result = reduceNode(node.elseStatement, f, result); - break; - case 205: - result = reduceNode(node.statement, f, result); - result = reduceNode(node.expression, f, result); - break; - case 206: - case 213: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.statement, f, result); - break; - case 207: - result = reduceNode(node.initializer, f, result); - result = reduceNode(node.condition, f, result); - result = reduceNode(node.incrementor, f, result); - result = reduceNode(node.statement, f, result); - break; - case 208: - case 209: - result = reduceNode(node.initializer, f, result); - result = reduceNode(node.expression, f, result); - result = reduceNode(node.statement, f, result); - break; - case 212: - case 216: - result = reduceNode(node.expression, f, result); - break; - case 214: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.caseBlock, f, result); - break; - case 215: - result = reduceNode(node.label, f, result); - result = reduceNode(node.statement, f, result); - break; - case 217: - result = reduceNode(node.tryBlock, f, result); - result = reduceNode(node.catchClause, f, result); - result = reduceNode(node.finallyBlock, f, result); - break; - case 219: - result = reduceNode(node.name, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 220: - result = ts.reduceLeft(node.declarations, f, result); - break; - case 221: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 222: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.heritageClauses, f, result); - result = ts.reduceLeft(node.members, f, result); - break; - case 228: - result = ts.reduceLeft(node.clauses, f, result); - break; - case 231: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.importClause, f, result); - result = reduceNode(node.moduleSpecifier, f, result); - break; - case 232: - result = reduceNode(node.name, f, result); - result = reduceNode(node.namedBindings, f, result); - break; - case 233: - result = reduceNode(node.name, f, result); - break; - case 234: - case 238: - result = ts.reduceLeft(node.elements, f, result); - break; - case 235: - case 239: - result = reduceNode(node.propertyName, f, result); - result = reduceNode(node.name, f, result); - break; - case 236: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.expression, f, result); - break; - case 237: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.exportClause, f, result); - result = reduceNode(node.moduleSpecifier, f, result); - break; - case 242: - result = reduceNode(node.openingElement, f, result); - result = ts.reduceLeft(node.children, f, result); - result = reduceNode(node.closingElement, f, result); - break; - case 243: - case 244: - result = reduceNode(node.tagName, f, result); - result = ts.reduceLeft(node.attributes, f, result); - break; - case 245: - result = reduceNode(node.tagName, f, result); - break; - case 246: - result = reduceNode(node.name, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 247: - result = reduceNode(node.expression, f, result); - break; - case 248: - result = reduceNode(node.expression, f, result); - break; - case 249: - result = reduceNode(node.expression, f, result); - case 250: - result = ts.reduceLeft(node.statements, f, result); - break; - case 251: - result = ts.reduceLeft(node.types, f, result); - break; - case 252: - result = reduceNode(node.variableDeclaration, f, result); - result = reduceNode(node.block, f, result); - break; - case 253: - result = reduceNode(node.name, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 254: - result = reduceNode(node.name, f, result); - result = reduceNode(node.objectAssignmentInitializer, f, result); - break; - case 256: - result = ts.reduceLeft(node.statements, f, result); - break; - case 288: - result = reduceNode(node.expression, f, result); - break; - default: - var edgeTraversalPath = nodeEdgeTraversalMap[kind]; - if (edgeTraversalPath) { - for (var _i = 0, edgeTraversalPath_1 = edgeTraversalPath; _i < edgeTraversalPath_1.length; _i++) { - var edge = edgeTraversalPath_1[_i]; - var value = node[edge.name]; - if (value !== undefined) { - result = ts.isArray(value) - ? ts.reduceLeft(value, f, result) - : f(result, value); + function checkReturnStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var functionBlock = ts.getContainingFunction(node); + if (!functionBlock) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); + } + } + var func = ts.getContainingFunction(node); + if (func) { + var signature = getSignatureFromDeclaration(func); + var returnType = getReturnTypeOfSignature(signature); + if (strictNullChecks || node.expression || returnType.flags & 8192) { + var exprType = node.expression ? checkExpressionCached(node.expression) : undefinedType; + if (func.asteriskToken) { + return; + } + if (func.kind === 151) { + if (node.expression) { + error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); + } + } + else if (func.kind === 149) { + if (node.expression && !checkTypeAssignableTo(exprType, returnType, node.expression)) { + error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); + } + } + else if (func.type || isGetAccessorWithAnnotatedSetAccessor(func)) { + if (ts.isAsyncFunctionLike(func)) { + var promisedType = getPromisedType(returnType); + var awaitedType = checkAwaitedType(exprType, node.expression || node, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + if (promisedType) { + checkTypeAssignableTo(awaitedType, promisedType, node.expression || node); + } + } + else { + checkTypeAssignableTo(exprType, returnType, node.expression || node); } } } - break; + else if (func.kind !== 149 && compilerOptions.noImplicitReturns && !isUnwrappedReturnTypeVoidOrAny(func, returnType)) { + error(node, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } } - return result; - } - ts.reduceEachChild = reduceEachChild; - function visitNode(node, visitor, test, optional, lift, parenthesize, parentNode) { - if (node === undefined) { - return undefined; + function checkWithStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.flags & 262144) { + grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); + } + } + checkExpression(node.expression); + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var start = ts.getSpanOfTokenAtPosition(sourceFile, node.pos).start; + var end = node.statement.pos; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any); + } } - var visited = visitor(node); - if (visited === node) { - return node; + function checkSwitchStatement(node) { + checkGrammarStatementInAmbientContext(node); + var firstDefaultClause; + var hasDuplicateDefaultClause = false; + var expressionType = checkExpression(node.expression); + ts.forEach(node.caseBlock.clauses, function (clause) { + if (clause.kind === 250 && !hasDuplicateDefaultClause) { + if (firstDefaultClause === undefined) { + firstDefaultClause = clause; + } + else { + var sourceFile = ts.getSourceFileOfNode(node); + var start = ts.skipTrivia(sourceFile.text, clause.pos); + var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); + hasDuplicateDefaultClause = true; + } + } + if (produceDiagnostics && clause.kind === 249) { + var caseClause = clause; + var caseType = checkExpression(caseClause.expression); + if (!isTypeEqualityComparableTo(expressionType, caseType)) { + checkTypeComparableTo(caseType, expressionType, caseClause.expression, undefined); + } + } + ts.forEach(clause.statements, checkSourceElement); + }); + if (node.caseBlock.locals) { + registerForUnusedIdentifiersCheck(node.caseBlock); + } } - var visitedNode; - if (visited === undefined) { - if (!optional) { - Debug.failNotOptional(); + function checkLabeledStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var current = node.parent; + while (current) { + if (ts.isFunctionLike(current)) { + break; + } + if (current.kind === 215 && current.label.text === node.label.text) { + var sourceFile = ts.getSourceFileOfNode(node); + grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); + break; + } + current = current.parent; + } } - return undefined; + checkSourceElement(node.statement); } - else if (ts.isArray(visited)) { - visitedNode = (lift || extractSingleNode)(visited); + function checkThrowStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.expression === undefined) { + grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + } + } + if (node.expression) { + checkExpression(node.expression); + } } - else { - visitedNode = visited; + function checkTryStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkBlock(node.tryBlock); + var catchClause = node.catchClause; + if (catchClause) { + if (catchClause.variableDeclaration) { + if (catchClause.variableDeclaration.type) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); + } + else if (catchClause.variableDeclaration.initializer) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); + } + else { + var blockLocals = catchClause.block.locals; + if (blockLocals) { + for (var caughtName in catchClause.locals) { + var blockLocal = blockLocals[caughtName]; + if (blockLocal && (blockLocal.flags & 2) !== 0) { + grammarErrorOnNode(blockLocal.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, caughtName); + } + } + } + } + } + checkBlock(catchClause.block); + } + if (node.finallyBlock) { + checkBlock(node.finallyBlock); + } } - if (parenthesize !== undefined) { - visitedNode = parenthesize(visitedNode, parentNode); + function checkIndexConstraints(type) { + var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); + var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); + var stringIndexType = getIndexTypeOfType(type, 0); + var numberIndexType = getIndexTypeOfType(type, 1); + if (stringIndexType || numberIndexType) { + ts.forEach(getPropertiesOfObjectType(type), function (prop) { + var propType = getTypeOfSymbol(prop); + checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); + }); + if (getObjectFlags(type) & 1 && ts.isClassLike(type.symbol.valueDeclaration)) { + var classDeclaration = type.symbol.valueDeclaration; + for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (!(ts.getModifierFlags(member) & 32) && ts.hasDynamicName(member)) { + var propType = getTypeOfSymbol(member.symbol); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); + } + } + } + } + var errorNode; + if (stringIndexType && numberIndexType) { + errorNode = declaredNumberIndexer || declaredStringIndexer; + if (!errorNode && (getObjectFlags(type) & 2)) { + var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); + errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + } + } + if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { + error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + } + function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { + if (!indexType) { + return; + } + if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { + return; + } + var errorNode; + if (prop.valueDeclaration.name.kind === 141 || prop.parent === containingType.symbol) { + errorNode = prop.valueDeclaration; + } + else if (indexDeclaration) { + errorNode = indexDeclaration; + } + else if (getObjectFlags(containingType) & 2) { + var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); + errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; + } + if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { + var errorMessage = indexKind === 0 + ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 + : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; + error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + } + } } - Debug.assertNode(visitedNode, test); - aggregateTransformFlags(visitedNode); - return visitedNode; - } - ts.visitNode = visitNode; - function visitNodes(nodes, visitor, test, start, count, parenthesize, parentNode) { - if (nodes === undefined) { - return undefined; + function checkTypeNameIsReserved(name, message) { + switch (name.text) { + case "any": + case "number": + case "boolean": + case "string": + case "symbol": + case "void": + error(name, message, name.text); + } } - var updated; - var length = nodes.length; - if (start === undefined || start < 0) { - start = 0; + function checkTypeParameters(typeParameterDeclarations) { + if (typeParameterDeclarations) { + for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { + var node = typeParameterDeclarations[i]; + checkTypeParameter(node); + if (produceDiagnostics) { + for (var j = 0; j < i; j++) { + if (typeParameterDeclarations[j].symbol === node.symbol) { + error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); + } + } + } + } + } } - if (count === undefined || count > length - start) { - count = length - start; + function checkTypeParameterListsIdentical(node, symbol) { + if (symbol.declarations.length === 1) { + return; + } + var firstDecl; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 222 || declaration.kind === 223) { + if (!firstDecl) { + firstDecl = declaration; + } + else if (!areTypeParametersIdentical(firstDecl.typeParameters, node.typeParameters)) { + error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, node.name.text); + } + } + } } - if (start > 0 || count < length) { - updated = ts.createNodeArray([], undefined, nodes.hasTrailingComma && start + count === length); + function checkClassExpression(node) { + checkClassLikeDeclaration(node); + checkNodeDeferred(node); + return getTypeOfSymbol(getSymbolOfNode(node)); } - for (var i = 0; i < count; i++) { - var node = nodes[i + start]; - var visited = node !== undefined ? visitor(node) : undefined; - if (updated !== undefined || visited === undefined || visited !== node) { - if (updated === undefined) { - updated = ts.createNodeArray(nodes.slice(0, i), nodes, nodes.hasTrailingComma); + function checkClassExpressionDeferred(node) { + ts.forEach(node.members, checkSourceElement); + registerForUnusedIdentifiersCheck(node); + } + function checkClassDeclaration(node) { + if (!node.name && !(ts.getModifierFlags(node) & 512)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + } + checkClassLikeDeclaration(node); + ts.forEach(node.members, checkSourceElement); + registerForUnusedIdentifiersCheck(node); + } + function checkClassLikeDeclaration(node) { + checkGrammarClassDeclarationHeritageClauses(node); + checkDecorators(node); + if (node.name) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkTypeParameters(node.typeParameters); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + checkTypeParameterListsIdentical(node, symbol); + checkClassForDuplicateDeclarations(node); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length && produceDiagnostics) { + var baseType_1 = baseTypes[0]; + var staticBaseType = getBaseConstructorTypeOfClass(type); + checkBaseTypeAccessibility(staticBaseType, baseTypeNode); + checkSourceElement(baseTypeNode.expression); + if (baseTypeNode.typeArguments) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { + var constructor = _a[_i]; + if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { + break; + } + } + } + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); + checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); + if (baseType_1.symbol.valueDeclaration && + !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration) && + baseType_1.symbol.valueDeclaration.kind === 222) { + if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) { + error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class); + } + } + if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { + var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); + if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); + } + } + checkKindsOfPropertyMemberOverrides(type, baseType_1); } - if (visited) { - if (ts.isArray(visited)) { - for (var _i = 0, visited_1 = visited; _i < visited_1.length; _i++) { - var visitedNode = visited_1[_i]; - visitedNode = parenthesize - ? parenthesize(visitedNode, parentNode) - : visitedNode; - Debug.assertNode(visitedNode, test); - aggregateTransformFlags(visitedNode); - updated.push(visitedNode); + } + var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); + if (implementedTypeNodes) { + for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { + var typeRefNode = implementedTypeNodes_1[_b]; + if (!ts.isEntityNameExpression(typeRefNode.expression)) { + error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(typeRefNode); + if (produceDiagnostics) { + var t = getTypeFromTypeNode(typeRefNode); + if (t !== unknownType) { + var declaredType = getObjectFlags(t) & 4 ? t.target : t; + if (getObjectFlags(declaredType) & 3) { + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); + } + else { + error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); + } + } + } + } + } + if (produceDiagnostics) { + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkBaseTypeAccessibility(type, node) { + var signatures = getSignaturesOfType(type, 1); + if (signatures.length) { + var declaration = signatures[0].declaration; + if (declaration && ts.getModifierFlags(declaration) & 8) { + var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol); + if (!isNodeWithinClass(node, typeClassDeclaration)) { + error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol)); + } + } + } + } + function getTargetSymbol(s) { + return s.flags & 16777216 ? getSymbolLinks(s).target : s; + } + function getClassLikeDeclarationOfSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + } + function checkKindsOfPropertyMemberOverrides(type, baseType) { + var baseProperties = getPropertiesOfObjectType(baseType); + for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { + var baseProperty = baseProperties_1[_i]; + var base = getTargetSymbol(baseProperty); + if (base.flags & 134217728) { + continue; + } + var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); + var baseDeclarationFlags = getDeclarationModifierFlagsFromSymbol(base); + ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); + if (derived) { + if (derived === base) { + var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); + if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(ts.getModifierFlags(derivedClassDecl) & 128))) { + if (derivedClassDecl.kind === 193) { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); + } + else { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); + } } } else { - var visitedNode = parenthesize - ? parenthesize(visited, parentNode) - : visited; - Debug.assertNode(visitedNode, test); - aggregateTransformFlags(visitedNode); - updated.push(visitedNode); + var derivedDeclarationFlags = getDeclarationModifierFlagsFromSymbol(derived); + if ((baseDeclarationFlags & 8) || (derivedDeclarationFlags & 8)) { + continue; + } + if ((baseDeclarationFlags & 32) !== (derivedDeclarationFlags & 32)) { + continue; + } + if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { + continue; + } + var errorMessage = void 0; + if (base.flags & 8192) { + if (derived.flags & 98304) { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; + } + else { + ts.Debug.assert((derived.flags & 4) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; + } + } + else if (base.flags & 4) { + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; + } + else { + ts.Debug.assert((base.flags & 98304) !== 0); + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + } + } + } + } + function isAccessor(kind) { + return kind === 150 || kind === 151; + } + function areTypeParametersIdentical(list1, list2) { + if (!list1 && !list2) { + return true; + } + if (!list1 || !list2 || list1.length !== list2.length) { + return false; + } + for (var i = 0, len = list1.length; i < len; i++) { + var tp1 = list1[i]; + var tp2 = list2[i]; + if (tp1.name.text !== tp2.name.text) { + return false; + } + if (!tp1.constraint && !tp2.constraint) { + continue; + } + if (!tp1.constraint || !tp2.constraint) { + return false; + } + if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { + return false; + } + } + return true; + } + function checkInheritedPropertiesAreIdentical(type, typeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length < 2) { + return true; + } + var seen = ts.createMap(); + ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); + var ok = true; + for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { + var base = baseTypes_2[_i]; + var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { + var prop = properties_5[_a]; + var existing = seen[prop.name]; + if (!existing) { + seen[prop.name] = { prop: prop, containingType: base }; + } + else { + var isInheritedProperty = existing.containingType !== type; + if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { + ok = false; + var typeName1 = typeToString(existing.containingType); + var typeName2 = typeToString(base); + var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); + } + } + } + } + return ok; + } + function checkInterfaceDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); + checkTypeParameters(node.typeParameters); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + checkTypeParameterListsIdentical(node, symbol); + var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 223); + if (node === firstInterfaceDecl) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + if (checkInheritedPropertiesAreIdentical(type, node.name)) { + for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { + var baseType = _a[_i]; + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + } + checkIndexConstraints(type); + } + } + checkObjectTypeForDuplicateDeclarations(node); + } + ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { + if (!ts.isEntityNameExpression(heritageElement.expression)) { + error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(heritageElement); + }); + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + checkTypeForDuplicateIndexSignatures(node); + registerForUnusedIdentifiersCheck(node); + } + } + function checkTypeAliasDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkTypeParameters(node.typeParameters); + checkSourceElement(node.type); + } + function computeEnumMemberValues(node) { + var nodeLinks = getNodeLinks(node); + if (!(nodeLinks.flags & 16384)) { + var enumSymbol = getSymbolOfNode(node); + var enumType = getDeclaredTypeOfSymbol(enumSymbol); + var autoValue = 0; + var ambient = ts.isInAmbientContext(node); + var enumIsConst = ts.isConst(node); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (isComputedNonLiteralName(member.name)) { + error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); + } + else { + var text = getTextOfPropertyName(member.name); + if (isNumericLiteralName(text) && !isInfinityOrNaNString(text)) { + error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); + } + } + var previousEnumMemberIsNonConstant = autoValue === undefined; + var initializer = member.initializer; + if (initializer) { + autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); + } + else if (ambient && !enumIsConst) { + autoValue = undefined; + } + else if (previousEnumMemberIsNonConstant) { + error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); + } + if (autoValue !== undefined) { + getNodeLinks(member).enumMemberValue = autoValue; + autoValue++; } } + nodeLinks.flags |= 16384; } - } - return updated || nodes; - } - ts.visitNodes = visitNodes; - function visitEachChild(node, visitor, context) { - if (node === undefined) { - return undefined; - } - var kind = node.kind; - if ((kind > 0 && kind <= 139)) { - return node; - } - if ((kind >= 155 && kind <= 167)) { - return node; - } - switch (node.kind) { - case 199: - case 202: - case 194: - case 218: - return node; - case 141: - return ts.updateComputedPropertyName(node, visitNode(node.expression, visitor, ts.isExpression)); - case 143: - return ts.updateParameterDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 146: - return ts.updateProperty(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 148: - return ts.updateMethod(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 149: - return ts.updateConstructor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 150: - return ts.updateGetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 151: - return ts.updateSetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 168: - return ts.updateObjectBindingPattern(node, visitNodes(node.elements, visitor, ts.isBindingElement)); - case 169: - return ts.updateArrayBindingPattern(node, visitNodes(node.elements, visitor, ts.isArrayBindingElement)); - case 170: - return ts.updateBindingElement(node, visitNode(node.propertyName, visitor, ts.isPropertyName, true), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 171: - return ts.updateArrayLiteral(node, visitNodes(node.elements, visitor, ts.isExpression)); - case 172: - return ts.updateObjectLiteral(node, visitNodes(node.properties, visitor, ts.isObjectLiteralElementLike)); - case 173: - return ts.updatePropertyAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.name, visitor, ts.isIdentifier)); - case 174: - return ts.updateElementAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.argumentExpression, visitor, ts.isExpression)); - case 175: - return ts.updateCall(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); - case 176: - return ts.updateNew(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); - case 177: - return ts.updateTaggedTemplate(node, visitNode(node.tag, visitor, ts.isExpression), visitNode(node.template, visitor, ts.isTemplateLiteral)); - case 179: - return ts.updateParen(node, visitNode(node.expression, visitor, ts.isExpression)); - case 180: - return ts.updateFunctionExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 181: - return ts.updateArrowFunction(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isConciseBody, true), context.endLexicalEnvironment())); - case 182: - return ts.updateDelete(node, visitNode(node.expression, visitor, ts.isExpression)); - case 183: - return ts.updateTypeOf(node, visitNode(node.expression, visitor, ts.isExpression)); - case 184: - return ts.updateVoid(node, visitNode(node.expression, visitor, ts.isExpression)); - case 185: - return ts.updateAwait(node, visitNode(node.expression, visitor, ts.isExpression)); - case 188: - return ts.updateBinary(node, visitNode(node.left, visitor, ts.isExpression), visitNode(node.right, visitor, ts.isExpression)); - case 186: - return ts.updatePrefix(node, visitNode(node.operand, visitor, ts.isExpression)); - case 187: - return ts.updatePostfix(node, visitNode(node.operand, visitor, ts.isExpression)); - case 189: - return ts.updateConditional(node, visitNode(node.condition, visitor, ts.isExpression), visitNode(node.whenTrue, visitor, ts.isExpression), visitNode(node.whenFalse, visitor, ts.isExpression)); - case 190: - return ts.updateTemplateExpression(node, visitNode(node.head, visitor, ts.isTemplateHead), visitNodes(node.templateSpans, visitor, ts.isTemplateSpan)); - case 191: - return ts.updateYield(node, visitNode(node.expression, visitor, ts.isExpression)); - case 192: - return ts.updateSpread(node, visitNode(node.expression, visitor, ts.isExpression)); - case 193: - return ts.updateClassExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); - case 195: - return ts.updateExpressionWithTypeArguments(node, visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNode(node.expression, visitor, ts.isExpression)); - case 198: - return ts.updateTemplateSpan(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.literal, visitor, ts.isTemplateMiddleOrTemplateTail)); - case 200: - return ts.updateBlock(node, visitNodes(node.statements, visitor, ts.isStatement)); - case 201: - return ts.updateVariableStatement(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.declarationList, visitor, ts.isVariableDeclarationList)); - case 203: - return ts.updateStatement(node, visitNode(node.expression, visitor, ts.isExpression)); - case 204: - return ts.updateIf(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.thenStatement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.elseStatement, visitor, ts.isStatement, true, liftToBlock)); - case 205: - return ts.updateDo(node, visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.expression, visitor, ts.isExpression)); - case 206: - return ts.updateWhile(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 207: - return ts.updateFor(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.condition, visitor, ts.isExpression), visitNode(node.incrementor, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 208: - return ts.updateForIn(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 209: - return ts.updateForOf(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 210: - return ts.updateContinue(node, visitNode(node.label, visitor, ts.isIdentifier, true)); - case 211: - return ts.updateBreak(node, visitNode(node.label, visitor, ts.isIdentifier, true)); - case 212: - return ts.updateReturn(node, visitNode(node.expression, visitor, ts.isExpression, true)); - case 213: - return ts.updateWith(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 214: - return ts.updateSwitch(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.caseBlock, visitor, ts.isCaseBlock)); - case 215: - return ts.updateLabel(node, visitNode(node.label, visitor, ts.isIdentifier), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 216: - return ts.updateThrow(node, visitNode(node.expression, visitor, ts.isExpression)); - case 217: - return ts.updateTry(node, visitNode(node.tryBlock, visitor, ts.isBlock), visitNode(node.catchClause, visitor, ts.isCatchClause, true), visitNode(node.finallyBlock, visitor, ts.isBlock, true)); - case 219: - return ts.updateVariableDeclaration(node, visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 220: - return ts.updateVariableDeclarationList(node, visitNodes(node.declarations, visitor, ts.isVariableDeclaration)); - case 221: - return ts.updateFunctionDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 222: - return ts.updateClassDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); - case 228: - return ts.updateCaseBlock(node, visitNodes(node.clauses, visitor, ts.isCaseOrDefaultClause)); - case 231: - return ts.updateImportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.importClause, visitor, ts.isImportClause, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression)); - case 232: - return ts.updateImportClause(node, visitNode(node.name, visitor, ts.isIdentifier, true), visitNode(node.namedBindings, visitor, ts.isNamedImportBindings, true)); - case 233: - return ts.updateNamespaceImport(node, visitNode(node.name, visitor, ts.isIdentifier)); - case 234: - return ts.updateNamedImports(node, visitNodes(node.elements, visitor, ts.isImportSpecifier)); - case 235: - return ts.updateImportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); - case 236: - return ts.updateExportAssignment(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.expression, visitor, ts.isExpression)); - case 237: - return ts.updateExportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.exportClause, visitor, ts.isNamedExports, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression, true)); - case 238: - return ts.updateNamedExports(node, visitNodes(node.elements, visitor, ts.isExportSpecifier)); - case 239: - return ts.updateExportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); - case 242: - return ts.updateJsxElement(node, visitNode(node.openingElement, visitor, ts.isJsxOpeningElement), visitNodes(node.children, visitor, ts.isJsxChild), visitNode(node.closingElement, visitor, ts.isJsxClosingElement)); - case 243: - return ts.updateJsxSelfClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); - case 244: - return ts.updateJsxOpeningElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); - case 245: - return ts.updateJsxClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression)); - case 246: - return ts.updateJsxAttribute(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.initializer, visitor, ts.isStringLiteralOrJsxExpression)); - case 247: - return ts.updateJsxSpreadAttribute(node, visitNode(node.expression, visitor, ts.isExpression)); - case 248: - return ts.updateJsxExpression(node, visitNode(node.expression, visitor, ts.isExpression)); - case 249: - return ts.updateCaseClause(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.statements, visitor, ts.isStatement)); - case 250: - return ts.updateDefaultClause(node, visitNodes(node.statements, visitor, ts.isStatement)); - case 251: - return ts.updateHeritageClause(node, visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments)); - case 252: - return ts.updateCatchClause(node, visitNode(node.variableDeclaration, visitor, ts.isVariableDeclaration), visitNode(node.block, visitor, ts.isBlock)); - case 253: - return ts.updatePropertyAssignment(node, visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.initializer, visitor, ts.isExpression)); - case 254: - return ts.updateShorthandPropertyAssignment(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.objectAssignmentInitializer, visitor, ts.isExpression)); - case 256: - context.startLexicalEnvironment(); - return ts.updateSourceFileNode(node, ts.createNodeArray(ts.concatenate(visitNodes(node.statements, visitor, ts.isStatement), context.endLexicalEnvironment()), node.statements)); - case 288: - return ts.updatePartiallyEmittedExpression(node, visitNode(node.expression, visitor, ts.isExpression)); - default: - var updated = void 0; - var edgeTraversalPath = nodeEdgeTraversalMap[kind]; - if (edgeTraversalPath) { - for (var _i = 0, edgeTraversalPath_2 = edgeTraversalPath; _i < edgeTraversalPath_2.length; _i++) { - var edge = edgeTraversalPath_2[_i]; - var value = node[edge.name]; - if (value !== undefined) { - var visited = ts.isArray(value) - ? visitNodes(value, visitor, edge.test, 0, value.length, edge.parenthesize, node) - : visitNode(value, visitor, edge.test, edge.optional, edge.lift, edge.parenthesize, node); - if (updated !== undefined || visited !== value) { - if (updated === undefined) { - updated = ts.getMutableClone(node); + function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { + var reportError = true; + var value = evalConstant(initializer); + if (reportError) { + if (value === undefined) { + if (enumIsConst) { + error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + } + else if (ambient) { + error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + } + else { + checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); + } + } + else if (enumIsConst) { + if (isNaN(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + } + else if (!isFinite(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + } + } + } + return value; + function evalConstant(e) { + switch (e.kind) { + case 186: + var value_1 = evalConstant(e.operand); + if (value_1 === undefined) { + return undefined; + } + switch (e.operator) { + case 36: return value_1; + case 37: return -value_1; + case 51: return ~value_1; + } + return undefined; + case 188: + var left = evalConstant(e.left); + if (left === undefined) { + return undefined; + } + var right = evalConstant(e.right); + if (right === undefined) { + return undefined; + } + switch (e.operatorToken.kind) { + case 48: return left | right; + case 47: return left & right; + case 45: return left >> right; + case 46: return left >>> right; + case 44: return left << right; + case 49: return left ^ right; + case 38: return left * right; + case 40: return left / right; + case 36: return left + right; + case 37: return left - right; + case 41: return left % right; + } + return undefined; + case 8: + return +e.text; + case 179: + return evalConstant(e.expression); + case 70: + case 174: + case 173: + var member = initializer.parent; + var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); + var enumType_1; + var propertyName = void 0; + if (e.kind === 70) { + enumType_1 = currentType; + propertyName = e.text; + } + else { + var expression = void 0; + if (e.kind === 174) { + if (e.argumentExpression === undefined || + e.argumentExpression.kind !== 9) { + return undefined; + } + expression = e.expression; + propertyName = e.argumentExpression.text; } - if (visited !== value) { - updated[edge.name] = visited; + else { + expression = e.expression; + propertyName = e.name.text; + } + var current = expression; + while (current) { + if (current.kind === 70) { + break; + } + else if (current.kind === 173) { + current = current.expression; + } + else { + return undefined; + } + } + enumType_1 = checkExpression(expression); + if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { + return undefined; } } - } + if (propertyName === undefined) { + return undefined; + } + var property = getPropertyOfObjectType(enumType_1, propertyName); + if (!property || !(property.flags & 8)) { + return undefined; + } + var propertyDecl = property.valueDeclaration; + if (member === propertyDecl) { + return undefined; + } + if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { + reportError = false; + error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); + return undefined; + } + return getNodeLinks(propertyDecl).enumMemberValue; } } - return updated ? ts.updateNode(updated, node) : node; + } } - } - ts.visitEachChild = visitEachChild; - function mergeFunctionBodyLexicalEnvironment(body, declarations) { - if (body && declarations !== undefined && declarations.length > 0) { - if (ts.isBlock(body)) { - return ts.updateBlock(body, ts.createNodeArray(ts.concatenate(body.statements, declarations), body.statements)); + function checkEnumDeclaration(node) { + if (!produceDiagnostics) { + return; } - else { - return ts.createBlock(ts.createNodeArray([ts.createReturn(body, body)].concat(declarations), body), body, true); + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + computeEnumMemberValues(node); + var enumIsConst = ts.isConst(node); + if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { + error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + } + var enumSymbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); + if (node === firstDeclaration) { + if (enumSymbol.declarations.length > 1) { + ts.forEach(enumSymbol.declarations, function (decl) { + if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { + error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); + } + }); + } + var seenEnumMissingInitialInitializer_1 = false; + ts.forEach(enumSymbol.declarations, function (declaration) { + if (declaration.kind !== 225) { + return false; + } + var enumDeclaration = declaration; + if (!enumDeclaration.members.length) { + return false; + } + var firstEnumMember = enumDeclaration.members[0]; + if (!firstEnumMember.initializer) { + if (seenEnumMissingInitialInitializer_1) { + error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); + } + else { + seenEnumMissingInitialInitializer_1 = true; + } + } + }); } } - return body; - } - ts.mergeFunctionBodyLexicalEnvironment = mergeFunctionBodyLexicalEnvironment; - function liftToBlock(nodes) { - Debug.assert(ts.every(nodes, ts.isStatement), "Cannot lift nodes to a Block."); - return ts.singleOrUndefined(nodes) || ts.createBlock(nodes); - } - ts.liftToBlock = liftToBlock; - function extractSingleNode(nodes) { - Debug.assert(nodes.length <= 1, "Too many nodes written to output."); - return ts.singleOrUndefined(nodes); - } - function aggregateTransformFlags(node) { - aggregateTransformFlagsForNode(node); - return node; - } - ts.aggregateTransformFlags = aggregateTransformFlags; - function aggregateTransformFlagsForNode(node) { - if (node === undefined) { - return 0; - } - else if (node.transformFlags & 536870912) { - return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); - } - else { - var subtreeFlags = aggregateTransformFlagsForSubtree(node); - return ts.computeTransformFlagsForNode(node, subtreeFlags); - } - } - function aggregateTransformFlagsForSubtree(node) { - if (ts.hasModifier(node, 2) || ts.isTypeNode(node)) { - return 0; - } - return reduceEachChild(node, aggregateTransformFlagsForChildNode, 0); - } - function aggregateTransformFlagsForChildNode(transformFlags, child) { - return transformFlags | aggregateTransformFlagsForNode(child); - } - function getTransformFlagsSubtreeExclusions(kind) { - if (kind >= 155 && kind <= 167) { - return -3; - } - switch (kind) { - case 175: - case 176: - case 171: - return 537922901; - case 226: - return 574729557; - case 143: - return 545262933; - case 181: - return 592227669; - case 180: - case 221: - return 592293205; - case 220: - return 545262933; - case 222: - case 193: - return 539749717; - case 149: - return 591760725; - case 148: - case 150: - case 151: - return 591760725; - case 118: - case 131: - case 128: - case 133: - case 121: - case 134: - case 104: - case 142: - case 145: - case 147: - case 152: - case 153: - case 154: - case 223: - case 224: - return -3; - case 172: - return 539110741; - default: - return 536874325; + function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { + var declaration = declarations_5[_i]; + if ((declaration.kind === 222 || + (declaration.kind === 221 && ts.nodeIsPresent(declaration.body))) && + !ts.isInAmbientContext(declaration)) { + return declaration; + } + } + return undefined; } - } - var Debug; - (function (Debug) { - Debug.failNotOptional = Debug.shouldAssert(1) - ? function (message) { return Debug.assert(false, message || "Node not optional."); } - : function () { }; - Debug.failBadSyntaxKind = Debug.shouldAssert(1) - ? function (node, message) { return Debug.assert(false, message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " was unexpected."; }); } - : function () { }; - Debug.assertNode = Debug.shouldAssert(1) - ? function (node, test, message) { return Debug.assert(test === undefined || test(node), message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }); } - : function () { }; - function getFunctionName(func) { - if (typeof func !== "function") { - return ""; + function inSameLexicalScope(node1, node2) { + var container1 = ts.getEnclosingBlockScopeContainer(node1); + var container2 = ts.getEnclosingBlockScopeContainer(node2); + if (isGlobalSourceFile(container1)) { + return isGlobalSourceFile(container2); } - else if (func.hasOwnProperty("name")) { - return func.name; + else if (isGlobalSourceFile(container2)) { + return false; } else { - var text = Function.prototype.toString.call(func); - var match = /^function\s+([\w\$]+)\s*\(/.exec(text); - return match ? match[1] : ""; + return container1 === container2; } } - })(Debug = ts.Debug || (ts.Debug = {})); - var _a; -})(ts || (ts = {})); -var ts; -(function (ts) { - function flattenDestructuringAssignment(context, node, needsValue, recordTempVariable, visitor) { - if (ts.isEmptyObjectLiteralOrArrayLiteral(node.left)) { - var right = node.right; - if (ts.isDestructuringAssignment(right)) { - return flattenDestructuringAssignment(context, right, needsValue, recordTempVariable, visitor); + function checkModuleDeclaration(node) { + if (produceDiagnostics) { + var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); + var inAmbientContext = ts.isInAmbientContext(node); + if (isGlobalAugmentation && !inAmbientContext) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + } + var isAmbientExternalModule = ts.isAmbientModule(node); + var contextErrorMessage = isAmbientExternalModule + ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file + : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; + if (checkGrammarModuleElementContext(node, contextErrorMessage)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { + if (!inAmbientContext && node.name.kind === 9) { + grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); + } + } + if (ts.isIdentifier(node.name)) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + if (symbol.flags & 512 + && symbol.declarations.length > 1 + && !inAmbientContext + && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { + var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); + if (firstNonAmbientClassOrFunc) { + if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); + } + else if (node.pos < firstNonAmbientClassOrFunc.pos) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + } + } + var mergedClass = ts.getDeclarationOfKind(symbol, 222); + if (mergedClass && + inSameLexicalScope(node, mergedClass)) { + getNodeLinks(node).flags |= 32768; + } + } + if (isAmbientExternalModule) { + if (ts.isExternalModuleAugmentation(node)) { + var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); + if (checkBody && node.body) { + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + checkModuleAugmentationElement(statement, isGlobalAugmentation); + } + } + } + else if (isGlobalSourceFile(node.parent)) { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else if (ts.isExternalModuleNameRelative(node.name.text)) { + error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); + } + } + else { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else { + error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); + } + } + } } - else { - return node.right; + if (node.body) { + checkSourceElement(node.body); + if (!ts.isGlobalScopeAugmentation(node)) { + registerForUnusedIdentifiersCheck(node); + } } } - var location = node; - var value = node.right; - var expressions = []; - if (needsValue) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment, visitor); - } - else if (ts.nodeIsSynthesized(node)) { - location = value; - } - flattenDestructuring(node, value, location, emitAssignment, emitTempVariableAssignment, visitor); - if (needsValue) { - expressions.push(value); + function checkModuleAugmentationElement(node, isGlobalAugmentation) { + switch (node.kind) { + case 201: + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + checkModuleAugmentationElement(decl, isGlobalAugmentation); + } + break; + case 236: + case 237: + grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); + break; + case 230: + case 231: + grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); + break; + case 170: + case 219: + var name_25 = node.name; + if (ts.isBindingPattern(name_25)) { + for (var _b = 0, _c = name_25.elements; _b < _c.length; _b++) { + var el = _c[_b]; + checkModuleAugmentationElement(el, isGlobalAugmentation); + } + break; + } + case 222: + case 225: + case 221: + case 223: + case 226: + case 224: + if (isGlobalAugmentation) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol) { + var reportError = !(symbol.flags & 33554432); + if (!reportError) { + reportError = ts.isExternalModuleAugmentation(symbol.parent.declarations[0]); + } + } + break; + } } - var expression = ts.inlineExpressions(expressions); - ts.aggregateTransformFlags(expression); - return expression; - function emitAssignment(name, value, location) { - var expression = ts.createAssignment(name, value, location); - ts.setEmitFlags(expression, 2048); - ts.aggregateTransformFlags(expression); - expressions.push(expression); + function getFirstIdentifier(node) { + switch (node.kind) { + case 70: + return node; + case 140: + do { + node = node.left; + } while (node.kind !== 70); + return node; + case 173: + do { + node = node.expression; + } while (node.kind !== 70); + return node; + } } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(recordTempVariable); - emitAssignment(name, value, location); - return name; + function checkExternalImportOrExportDeclaration(node) { + var moduleName = ts.getExternalModuleName(node); + if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { + error(moduleName, ts.Diagnostics.String_literal_expected); + return false; + } + var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 256 && !inAmbientExternalModule) { + error(moduleName, node.kind === 237 ? + ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : + ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + return false; + } + if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { + if (!isTopLevelInExternalModuleAugmentation(node)) { + error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); + return false; + } + } + return true; } - } - ts.flattenDestructuringAssignment = flattenDestructuringAssignment; - function flattenParameterDestructuring(node, value, visitor) { - var declarations = []; - flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); - return declarations; - function emitAssignment(name, value, location) { - var declaration = ts.createVariableDeclaration(name, undefined, value, location); - ts.setEmitFlags(declaration, 2048); - ts.aggregateTransformFlags(declaration); - declarations.push(declaration); + function checkAliasSymbol(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target !== unknownSymbol) { + var excludedMeanings = (symbol.flags & (107455 | 1048576) ? 107455 : 0) | + (symbol.flags & 793064 ? 793064 : 0) | + (symbol.flags & 1920 ? 1920 : 0); + if (target.flags & excludedMeanings) { + var message = node.kind === 239 ? + ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : + ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; + error(node, message, symbolToString(symbol)); + } + } } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(undefined); - emitAssignment(name, value, location); - return name; + function checkImportBinding(node) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkAliasSymbol(node); } - } - ts.flattenParameterDestructuring = flattenParameterDestructuring; - function flattenVariableDestructuring(node, value, visitor, recordTempVariable) { - var declarations = []; - var pendingAssignments; - flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); - return declarations; - function emitAssignment(name, value, location, original) { - if (pendingAssignments) { - pendingAssignments.push(value); - value = ts.inlineExpressions(pendingAssignments); - pendingAssignments = undefined; + function checkImportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + } + if (checkExternalImportOrExportDeclaration(node)) { + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + checkImportBinding(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 233) { + checkImportBinding(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, checkImportBinding); + } + } + } } - var declaration = ts.createVariableDeclaration(name, undefined, value, location); - declaration.original = original; - ts.setEmitFlags(declaration, 2048); - declarations.push(declaration); - ts.aggregateTransformFlags(declaration); } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(recordTempVariable); - if (recordTempVariable) { - var assignment = ts.createAssignment(name, value, location); - if (pendingAssignments) { - pendingAssignments.push(assignment); + function checkImportEqualsDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { + checkImportBinding(node); + if (ts.getModifierFlags(node) & 1) { + markExportAsReferenced(node); + } + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + var target = resolveAlias(getSymbolOfNode(node)); + if (target !== unknownSymbol) { + if (target.flags & 107455) { + var moduleName = getFirstIdentifier(node.moduleReference); + if (!(resolveEntityName(moduleName, 107455 | 1920).flags & 1920)) { + error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); + } + } + if (target.flags & 793064) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + } } else { - pendingAssignments = [assignment]; + if (modulekind === ts.ModuleKind.ES2015 && !ts.isInAmbientContext(node)) { + grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + } } } - else { - emitAssignment(name, value, location, undefined); - } - return name; - } - } - ts.flattenVariableDestructuring = flattenVariableDestructuring; - function flattenVariableDestructuringToExpression(node, recordTempVariable, nameSubstitution, visitor) { - var pendingAssignments = []; - flattenDestructuring(node, undefined, node, emitAssignment, emitTempVariableAssignment, visitor); - var expression = ts.inlineExpressions(pendingAssignments); - ts.aggregateTransformFlags(expression); - return expression; - function emitAssignment(name, value, location, original) { - var left = nameSubstitution && nameSubstitution(name) || name; - emitPendingAssignment(left, value, location, original); - } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(recordTempVariable); - emitPendingAssignment(name, value, location, undefined); - return name; - } - function emitPendingAssignment(name, value, location, original) { - var expression = ts.createAssignment(name, value, location); - expression.original = original; - ts.setEmitFlags(expression, 2048); - pendingAssignments.push(expression); - return expression; - } - } - ts.flattenVariableDestructuringToExpression = flattenVariableDestructuringToExpression; - function flattenDestructuring(root, value, location, emitAssignment, emitTempVariableAssignment, visitor) { - if (value && visitor) { - value = ts.visitNode(value, visitor, ts.isExpression); } - if (ts.isBinaryExpression(root)) { - emitDestructuringAssignment(root.left, value, location); + function checkExportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + } + if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { + if (node.exportClause) { + ts.forEach(node.exportClause.elements, checkExportSpecifier); + var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 256 && !inAmbientExternalModule) { + error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + } + } + else { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { + error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + } + } + } } - else { - emitBindingElement(root, value); + function checkGrammarModuleElementContext(node, errorMessage) { + var isInAppropriateContext = node.parent.kind === 256 || node.parent.kind === 227 || node.parent.kind === 226; + if (!isInAppropriateContext) { + grammarErrorOnFirstToken(node, errorMessage); + } + return !isInAppropriateContext; } - function emitDestructuringAssignment(bindingTarget, value, location) { - var target; - if (ts.isShorthandPropertyAssignment(bindingTarget)) { - var initializer = visitor - ? ts.visitNode(bindingTarget.objectAssignmentInitializer, visitor, ts.isExpression) - : bindingTarget.objectAssignmentInitializer; - if (initializer) { - value = createDefaultValueCheck(value, initializer, location); + function checkExportSpecifier(node) { + checkAliasSymbol(node); + if (!node.parent.parent.moduleSpecifier) { + var exportedName = node.propertyName || node.name; + var symbol = resolveName(exportedName, exportedName.text, 107455 | 793064 | 1920 | 8388608, undefined, undefined); + if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { + error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, exportedName.text); + } + else { + markExportAsReferenced(node); } - target = bindingTarget.name; } - else if (ts.isBinaryExpression(bindingTarget) && bindingTarget.operatorToken.kind === 57) { - var initializer = visitor - ? ts.visitNode(bindingTarget.right, visitor, ts.isExpression) - : bindingTarget.right; - value = createDefaultValueCheck(value, initializer, location); - target = bindingTarget.left; + } + function checkExportAssignment(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + return; } - else { - target = bindingTarget; + var container = node.parent.kind === 256 ? node.parent : node.parent.parent; + if (container.kind === 226 && !ts.isAmbientModule(container)) { + error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + return; } - if (target.kind === 172) { - emitObjectLiteralAssignment(target, value, location); + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); } - else if (target.kind === 171) { - emitArrayLiteralAssignment(target, value, location); + if (node.expression.kind === 70) { + markExportAsReferenced(node); } else { - var name_26 = ts.getMutableClone(target); - ts.setSourceMapRange(name_26, target); - ts.setCommentRange(name_26, target); - emitAssignment(name_26, value, location, undefined); - } - } - function emitObjectLiteralAssignment(target, value, location) { - var properties = target.properties; - if (properties.length !== 1) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment); + checkExpressionCached(node.expression); } - for (var _i = 0, properties_6 = properties; _i < properties_6.length; _i++) { - var p = properties_6[_i]; - if (p.kind === 253 || p.kind === 254) { - var propName = p.name; - var target_1 = p.kind === 254 ? p : p.initializer || propName; - emitDestructuringAssignment(target_1, createDestructuringPropertyAccess(value, propName), p); + checkExternalModuleExports(container); + if (node.isExportEquals && !ts.isInAmbientContext(node)) { + if (modulekind === ts.ModuleKind.ES2015) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead); + } + else if (modulekind === ts.ModuleKind.System) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); } } } - function emitArrayLiteralAssignment(target, value, location) { - var elements = target.elements; - var numElements = elements.length; - if (numElements !== 1) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment); - } - for (var i = 0; i < numElements; i++) { - var e = elements[i]; - if (e.kind !== 194) { - if (e.kind !== 192) { - emitDestructuringAssignment(e, ts.createElementAccess(value, ts.createLiteral(i)), e); - } - else if (i === numElements - 1) { - emitDestructuringAssignment(e.expression, ts.createArraySlice(value, i), e); - } + function hasExportedMembers(moduleSymbol) { + for (var id in moduleSymbol.exports) { + if (id !== "export=") { + return true; } } + return false; } - function emitBindingElement(target, value) { - var initializer = visitor ? ts.visitNode(target.initializer, visitor, ts.isExpression) : target.initializer; - if (initializer) { - value = value ? createDefaultValueCheck(value, initializer, target) : initializer; - } - else if (!value) { - value = ts.createVoidZero(); - } - var name = target.name; - if (ts.isBindingPattern(name)) { - var elements = name.elements; - var numElements = elements.length; - if (numElements !== 1) { - value = ensureIdentifier(value, numElements !== 0, target, emitTempVariableAssignment); + function checkExternalModuleExports(node) { + var moduleSymbol = getSymbolOfNode(node); + var links = getSymbolLinks(moduleSymbol); + if (!links.exportsChecked) { + var exportEqualsSymbol = moduleSymbol.exports["export="]; + if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { + var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; + if (!isTopLevelInExternalModuleAugmentation(declaration)) { + error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); + } } - for (var i = 0; i < numElements; i++) { - var element = elements[i]; - if (ts.isOmittedExpression(element)) { + var exports_1 = getExportsOfModule(moduleSymbol); + for (var id in exports_1) { + if (id === "__export") { continue; } - else if (name.kind === 168) { - var propName = element.propertyName || element.name; - emitBindingElement(element, createDestructuringPropertyAccess(value, propName)); + var _a = exports_1[id], declarations = _a.declarations, flags = _a.flags; + if (flags & (1920 | 64 | 384)) { + continue; + } + var exportedDeclarationsCount = ts.countWhere(declarations, isNotOverload); + if (flags & 524288 && exportedDeclarationsCount <= 2) { + continue; } - else { - if (!element.dotDotDotToken) { - emitBindingElement(element, ts.createElementAccess(value, i)); - } - else if (i === numElements - 1) { - emitBindingElement(element, ts.createArraySlice(value, i)); + if (exportedDeclarationsCount > 1) { + for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { + var declaration = declarations_6[_i]; + if (isNotOverload(declaration)) { + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + } } } } + links.exportsChecked = true; } - else { - emitAssignment(name, value, target, target); + function isNotOverload(declaration) { + return (declaration.kind !== 221 && declaration.kind !== 148) || + !!declaration.body; } } - function createDefaultValueCheck(value, defaultValue, location) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment); - return ts.createConditional(ts.createStrictEquality(value, ts.createVoidZero()), ts.createToken(54), defaultValue, ts.createToken(55), value); - } - function createDestructuringPropertyAccess(expression, propertyName) { - if (ts.isComputedPropertyName(propertyName)) { - return ts.createElementAccess(expression, ensureIdentifier(propertyName.expression, false, propertyName, emitTempVariableAssignment)); - } - else if (ts.isLiteralExpression(propertyName)) { - var clone_2 = ts.getSynthesizedClone(propertyName); - clone_2.text = ts.unescapeIdentifier(clone_2.text); - return ts.createElementAccess(expression, clone_2); + function checkSourceElement(node) { + if (!node) { + return; } - else { - if (ts.isGeneratedIdentifier(propertyName)) { - var clone_3 = ts.getSynthesizedClone(propertyName); - clone_3.text = ts.unescapeIdentifier(clone_3.text); - return ts.createPropertyAccess(expression, clone_3); - } - else { - return ts.createPropertyAccess(expression, ts.createIdentifier(ts.unescapeIdentifier(propertyName.text))); + var kind = node.kind; + if (cancellationToken) { + switch (kind) { + case 226: + case 222: + case 223: + case 221: + cancellationToken.throwIfCancellationRequested(); } } - } - } - function ensureIdentifier(value, reuseIdentifierExpressions, location, emitTempVariableAssignment, visitor) { - if (ts.isIdentifier(value) && reuseIdentifierExpressions) { - return value; - } - else { - if (visitor) { - value = ts.visitNode(value, visitor, ts.isExpression); + switch (kind) { + case 142: + return checkTypeParameter(node); + case 143: + return checkParameter(node); + case 146: + case 145: + return checkPropertyDeclaration(node); + case 157: + case 158: + case 152: + case 153: + return checkSignatureDeclaration(node); + case 154: + return checkSignatureDeclaration(node); + case 148: + case 147: + return checkMethodDeclaration(node); + case 149: + return checkConstructorDeclaration(node); + case 150: + case 151: + return checkAccessorDeclaration(node); + case 156: + return checkTypeReferenceNode(node); + case 155: + return checkTypePredicate(node); + case 159: + return checkTypeQuery(node); + case 160: + return checkTypeLiteral(node); + case 161: + return checkArrayType(node); + case 162: + return checkTupleType(node); + case 163: + case 164: + return checkUnionOrIntersectionType(node); + case 165: + return checkSourceElement(node.type); + case 221: + return checkFunctionDeclaration(node); + case 200: + case 227: + return checkBlock(node); + case 201: + return checkVariableStatement(node); + case 203: + return checkExpressionStatement(node); + case 204: + return checkIfStatement(node); + case 205: + return checkDoStatement(node); + case 206: + return checkWhileStatement(node); + case 207: + return checkForStatement(node); + case 208: + return checkForInStatement(node); + case 209: + return checkForOfStatement(node); + case 210: + case 211: + return checkBreakOrContinueStatement(node); + case 212: + return checkReturnStatement(node); + case 213: + return checkWithStatement(node); + case 214: + return checkSwitchStatement(node); + case 215: + return checkLabeledStatement(node); + case 216: + return checkThrowStatement(node); + case 217: + return checkTryStatement(node); + case 219: + return checkVariableDeclaration(node); + case 170: + return checkBindingElement(node); + case 222: + return checkClassDeclaration(node); + case 223: + return checkInterfaceDeclaration(node); + case 224: + return checkTypeAliasDeclaration(node); + case 225: + return checkEnumDeclaration(node); + case 226: + return checkModuleDeclaration(node); + case 231: + return checkImportDeclaration(node); + case 230: + return checkImportEqualsDeclaration(node); + case 237: + return checkExportDeclaration(node); + case 236: + return checkExportAssignment(node); + case 202: + checkGrammarStatementInAmbientContext(node); + return; + case 218: + checkGrammarStatementInAmbientContext(node); + return; + case 240: + return checkMissingDeclaration(node); } - return emitTempVariableAssignment(value, location); } - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var USE_NEW_TYPE_METADATA_FORMAT = false; - var TypeScriptSubstitutionFlags; - (function (TypeScriptSubstitutionFlags) { - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["ClassAliases"] = 1] = "ClassAliases"; - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NamespaceExports"] = 2] = "NamespaceExports"; - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NonQualifiedEnumMembers"] = 8] = "NonQualifiedEnumMembers"; - })(TypeScriptSubstitutionFlags || (TypeScriptSubstitutionFlags = {})); - function transformTypeScript(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var resolver = context.getEmitResolver(); - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var previousOnEmitNode = context.onEmitNode; - var previousOnSubstituteNode = context.onSubstituteNode; - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.enableSubstitution(173); - context.enableSubstitution(174); - var currentSourceFile; - var currentNamespace; - var currentNamespaceContainerName; - var currentScope; - var currentScopeFirstDeclarationsOfName; - var currentSourceFileExternalHelpersModuleName; - var enabledSubstitutions; - var classAliases; - var applicableSubstitutions; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function checkNodeDeferred(node) { + if (deferredNodes) { + deferredNodes.push(node); } - return ts.visitNode(node, visitor, ts.isSourceFile); } - function saveStateAndInvoke(node, f) { - var savedCurrentScope = currentScope; - var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; - onBeforeVisitNode(node); - var visited = f(node); - if (currentScope !== savedCurrentScope) { - currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + function checkDeferredNodes() { + for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { + var node = deferredNodes_1[_i]; + switch (node.kind) { + case 180: + case 181: + case 148: + case 147: + checkFunctionExpressionOrObjectLiteralMethodDeferred(node); + break; + case 150: + case 151: + checkAccessorDeferred(node); + break; + case 193: + checkClassExpressionDeferred(node); + break; + } } - currentScope = savedCurrentScope; - return visited; } - function visitor(node) { - return saveStateAndInvoke(node, visitorWorker); + function checkSourceFile(node) { + ts.performance.mark("beforeCheck"); + checkSourceFileWorker(node); + ts.performance.mark("afterCheck"); + ts.performance.measure("Check", "beforeCheck", "afterCheck"); } - function visitorWorker(node) { - if (node.kind === 256) { - return visitSourceFile(node); + function checkSourceFileWorker(node) { + var links = getNodeLinks(node); + if (!(links.flags & 1)) { + if (compilerOptions.skipLibCheck && node.isDeclarationFile || compilerOptions.skipDefaultLibCheck && node.hasNoDefaultLib) { + return; + } + checkGrammarSourceFile(node); + potentialThisCollisions.length = 0; + deferredNodes = []; + deferredUnusedIdentifierNodes = produceDiagnostics && noUnusedIdentifiers ? [] : undefined; + ts.forEach(node.statements, checkSourceElement); + checkDeferredNodes(); + if (ts.isExternalModule(node)) { + registerForUnusedIdentifiersCheck(node); + } + if (!node.isDeclarationFile) { + checkUnusedIdentifiers(); + } + deferredNodes = undefined; + deferredUnusedIdentifierNodes = undefined; + if (ts.isExternalOrCommonJsModule(node)) { + checkExternalModuleExports(node); + } + if (potentialThisCollisions.length) { + ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); + potentialThisCollisions.length = 0; + } + links.flags |= 1; } - else if (node.transformFlags & 1) { - return visitTypeScript(node); + } + function getDiagnostics(sourceFile, ct) { + try { + cancellationToken = ct; + return getDiagnosticsWorker(sourceFile); } - else if (node.transformFlags & 2) { - return ts.visitEachChild(node, visitor, context); + finally { + cancellationToken = undefined; } - return node; - } - function sourceElementVisitor(node) { - return saveStateAndInvoke(node, sourceElementVisitorWorker); } - function sourceElementVisitorWorker(node) { - switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 236: - return visitExportAssignment(node); - case 237: - return visitExportDeclaration(node); - default: - return visitorWorker(node); + function getDiagnosticsWorker(sourceFile) { + throwIfNonDiagnosticsProducing(); + if (sourceFile) { + checkSourceFile(sourceFile); + return diagnostics.getDiagnostics(sourceFile.fileName); } + ts.forEach(host.getSourceFiles(), checkSourceFile); + return diagnostics.getDiagnostics(); } - function namespaceElementVisitor(node) { - return saveStateAndInvoke(node, namespaceElementVisitorWorker); + function getGlobalDiagnostics() { + throwIfNonDiagnosticsProducing(); + return diagnostics.getGlobalDiagnostics(); } - function namespaceElementVisitorWorker(node) { - if (node.kind === 237 || - node.kind === 231 || - node.kind === 232 || - (node.kind === 230 && - node.moduleReference.kind === 241)) { - return undefined; - } - else if (node.transformFlags & 1 || ts.hasModifier(node, 1)) { - return visitTypeScript(node); - } - else if (node.transformFlags & 2) { - return ts.visitEachChild(node, visitor, context); + function throwIfNonDiagnosticsProducing() { + if (!produceDiagnostics) { + throw new Error("Trying to get diagnostics from a type checker that does not produce them."); } - return node; - } - function classElementVisitor(node) { - return saveStateAndInvoke(node, classElementVisitorWorker); } - function classElementVisitorWorker(node) { - switch (node.kind) { - case 149: - return undefined; - case 146: - case 154: - case 150: - case 151: - case 148: - return visitorWorker(node); - case 199: - return node; - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; + function isInsideWithStatementBody(node) { + if (node) { + while (node.parent) { + if (node.parent.kind === 213 && node.parent.statement === node) { + return true; + } + node = node.parent; + } } + return false; } - function visitTypeScript(node) { - if (ts.hasModifier(node, 2) && ts.isStatement(node)) { - return ts.createNotEmittedStatement(node); + function getSymbolsInScope(location, meaning) { + var symbols = ts.createMap(); + var memberFlags = 0; + if (isInsideWithStatementBody(location)) { + return []; } - switch (node.kind) { - case 83: - case 78: - return currentNamespace ? undefined : node; - case 113: - case 111: - case 112: - case 116: - case 75: - case 123: - case 129: - case 161: - case 162: - case 160: - case 155: - case 142: - case 118: - case 121: - case 133: - case 131: - case 128: - case 104: - case 134: - case 158: - case 157: - case 159: - case 156: - case 163: - case 164: - case 165: - case 166: - case 167: - case 154: - case 144: - case 224: - case 146: - case 149: - return visitConstructor(node); - case 223: - return ts.createNotEmittedStatement(node); - case 222: - return visitClassDeclaration(node); - case 193: - return visitClassExpression(node); - case 251: - return visitHeritageClause(node); - case 195: - return visitExpressionWithTypeArguments(node); - case 148: - return visitMethodDeclaration(node); - case 150: - return visitGetAccessor(node); - case 151: - return visitSetAccessor(node); - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); - case 181: - return visitArrowFunction(node); - case 143: - return visitParameter(node); - case 179: - return visitParenthesizedExpression(node); - case 178: - case 196: - return visitAssertionExpression(node); - case 175: - return visitCallExpression(node); - case 176: - return visitNewExpression(node); - case 197: - return visitNonNullExpression(node); - case 225: - return visitEnumDeclaration(node); - case 201: - return visitVariableStatement(node); - case 219: - return visitVariableDeclaration(node); - case 226: - return visitModuleDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); + populateSymbols(); + return symbolsToArray(symbols); + function populateSymbols() { + while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + copySymbols(location.locals, meaning); + } + switch (location.kind) { + case 256: + if (!ts.isExternalOrCommonJsModule(location)) { + break; + } + case 226: + copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); + break; + case 225: + copySymbols(getSymbolOfNode(location).exports, meaning & 8); + break; + case 193: + var className = location.name; + if (className) { + copySymbol(location.symbol, meaning); + } + case 222: + case 223: + if (!(memberFlags & 32)) { + copySymbols(getSymbolOfNode(location).members, meaning & 793064); + } + break; + case 180: + var funcName = location.name; + if (funcName) { + copySymbol(location.symbol, meaning); + } + break; + } + if (ts.introducesArgumentsExoticObject(location)) { + copySymbol(argumentsSymbol, meaning); + } + memberFlags = ts.getModifierFlags(location); + location = location.parent; + } + copySymbols(globals, meaning); + } + function copySymbol(symbol, meaning) { + if (symbol.flags & meaning) { + var id = symbol.name; + if (!symbols[id]) { + symbols[id] = symbol; + } + } + } + function copySymbols(source, meaning) { + if (meaning) { + for (var id in source) { + var symbol = source[id]; + copySymbol(symbol, meaning); + } + } } } - function onBeforeVisitNode(node) { - switch (node.kind) { - case 256: - case 228: - case 227: - case 200: - currentScope = node; - currentScopeFirstDeclarationsOfName = undefined; - break; + function isTypeDeclarationName(name) { + return name.kind === 70 && + isTypeDeclaration(name.parent) && + name.parent.name === name; + } + function isTypeDeclaration(node) { + switch (node.kind) { + case 142: case 222: - case 221: - if (ts.hasModifier(node, 2)) { - break; - } - recordEmittedDeclarationInScope(node); - break; + case 223: + case 224: + case 225: + return true; } } - function visitSourceFile(node) { - currentSourceFile = node; - if (compilerOptions.alwaysStrict) { - node = ts.ensureUseStrict(node); + function isTypeReferenceIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 140) { + node = node.parent; } - if (node.flags & 31744 - && compilerOptions.importHelpers - && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, false, visitor); - var externalHelpersModuleName = ts.createUniqueName(ts.externalHelpersModuleNameText); - var externalHelpersModuleImport = ts.createImportDeclaration(undefined, undefined, ts.createImportClause(undefined, ts.createNamespaceImport(externalHelpersModuleName)), ts.createLiteral(ts.externalHelpersModuleNameText)); - externalHelpersModuleImport.parent = node; - externalHelpersModuleImport.flags &= ~8; - statements.push(externalHelpersModuleImport); - currentSourceFileExternalHelpersModuleName = externalHelpersModuleName; - ts.addRange(statements, ts.visitNodes(node.statements, sourceElementVisitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - currentSourceFileExternalHelpersModuleName = undefined; - node = ts.updateSourceFileNode(node, ts.createNodeArray(statements, node.statements)); - node.externalHelpersModuleName = externalHelpersModuleName; + return node.parent && (node.parent.kind === 156 || node.parent.kind === 267); + } + function isHeritageClauseElementIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 173) { + node = node.parent; } - else { - node = ts.visitEachChild(node, sourceElementVisitor, context); + return node.parent && node.parent.kind === 195; + } + function forEachEnclosingClass(node, callback) { + var result; + while (true) { + node = ts.getContainingClass(node); + if (!node) + break; + if (result = callback(node)) + break; } - ts.setEmitFlags(node, 1 | ts.getEmitFlags(node)); - return node; + return result; } - function shouldEmitDecorateCallForClass(node) { - if (node.decorators && node.decorators.length > 0) { - return true; + function isNodeWithinClass(node, classDeclaration) { + return !!forEachEnclosingClass(node, function (n) { return n === classDeclaration; }); + } + function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { + while (nodeOnRightSide.parent.kind === 140) { + nodeOnRightSide = nodeOnRightSide.parent; } - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - return ts.forEach(constructor.parameters, shouldEmitDecorateCallForParameter); + if (nodeOnRightSide.parent.kind === 230) { + return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; } - return false; + if (nodeOnRightSide.parent.kind === 236) { + return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + } + return undefined; } - function shouldEmitDecorateCallForParameter(parameter) { - return parameter.decorators !== undefined && parameter.decorators.length > 0; + function isInRightSideOfImportOrExportAssignment(node) { + return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; } - function visitClassDeclaration(node) { - var staticProperties = getInitializedProperties(node, true); - var hasExtendsClause = ts.getClassExtendsHeritageClauseElement(node) !== undefined; - var isDecoratedClass = shouldEmitDecorateCallForClass(node); - var classAlias; - var name = node.name; - if (!name && staticProperties.length > 0) { - name = ts.getGeneratedNameForNode(node); + function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { + if (ts.isDeclarationName(entityName)) { + return getSymbolOfNode(entityName.parent); } - var statements = []; - if (!isDecoratedClass) { - var classDeclaration = ts.createClassDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), node); - ts.setOriginalNode(classDeclaration, node); - if (staticProperties.length > 0) { - ts.setEmitFlags(classDeclaration, 1024 | ts.getEmitFlags(classDeclaration)); + if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 173) { + var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); + switch (specialPropertyAssignmentKind) { + case 1: + case 3: + return getSymbolOfNode(entityName.parent); + case 4: + case 2: + return getSymbolOfNode(entityName.parent.parent); + default: } - statements.push(classDeclaration); } - else { - classAlias = addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause); + if (entityName.parent.kind === 236 && ts.isEntityNameExpression(entityName)) { + return resolveEntityName(entityName, 107455 | 793064 | 1920 | 8388608); } - if (staticProperties.length) { - addInitializedPropertyStatements(statements, staticProperties, getLocalName(node, true)); + if (entityName.kind !== 173 && isInRightSideOfImportOrExportAssignment(entityName)) { + var importEqualsDeclaration = ts.getAncestor(entityName, 230); + ts.Debug.assert(importEqualsDeclaration !== undefined); + return getSymbolOfPartOfRightHandSideOfImportEquals(entityName, true); } - addClassElementDecorationStatements(statements, node, false); - addClassElementDecorationStatements(statements, node, true); - addConstructorDecorationStatement(statements, node, classAlias); - if (isNamespaceExport(node)) { - addExportMemberAssignment(statements, node); + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; } - else if (isDecoratedClass) { - if (isDefaultExternalModuleExport(node)) { - statements.push(ts.createExportAssignment(undefined, undefined, false, getLocalName(node))); + if (isHeritageClauseElementIdentifier(entityName)) { + var meaning = 0; + if (entityName.parent.kind === 195) { + meaning = 793064; + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning |= 107455; + } } - else if (isNamedExternalModuleExport(node)) { - statements.push(createExternalModuleExport(name)); + else { + meaning = 1920; } + meaning |= 8388608; + return resolveEntityName(entityName, meaning); } - return statements; - } - function addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause) { - var location = ts.moveRangePastDecorators(node); - var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), location), node); - if (!name) { - name = ts.getGeneratedNameForNode(node); + else if (ts.isPartOfExpression(entityName)) { + if (ts.nodeIsMissing(entityName)) { + return undefined; + } + if (entityName.kind === 70) { + if (ts.isJSXTagName(entityName) && isJsxIntrinsicIdentifier(entityName)) { + return getIntrinsicTagSymbol(entityName.parent); + } + return resolveEntityName(entityName, 107455, false, true); + } + else if (entityName.kind === 173) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkPropertyAccessExpression(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + else if (entityName.kind === 140) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkQualifiedName(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } } - var classAlias; - if (resolver.getNodeCheckFlags(node) & 8388608) { - enableSubstitutionForClassAliases(); - classAlias = ts.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? node.name.text : "default"); - classAliases[ts.getOriginalNodeId(node)] = classAlias; + else if (isTypeReferenceIdentifier(entityName)) { + var meaning = (entityName.parent.kind === 156 || entityName.parent.kind === 267) ? 793064 : 1920; + return resolveEntityName(entityName, meaning, false, true); } - var declaredName = getDeclarationName(node, true); - var transformedClassExpression = ts.createVariableStatement(undefined, ts.createLetDeclarationList([ - ts.createVariableDeclaration(classAlias || declaredName, undefined, classExpression) - ]), location); - ts.setCommentRange(transformedClassExpression, node); - statements.push(ts.setOriginalNode(transformedClassExpression, node)); - if (classAlias) { - statements.push(ts.setOriginalNode(ts.createVariableStatement(undefined, ts.createLetDeclarationList([ - ts.createVariableDeclaration(declaredName, undefined, classAlias) - ]), location), node)); + else if (entityName.parent.kind === 246) { + return getJsxAttributePropertySymbol(entityName.parent); } - return classAlias; + if (entityName.parent.kind === 155) { + return resolveEntityName(entityName, 1); + } + return undefined; } - function visitClassExpression(node) { - var staticProperties = getInitializedProperties(node, true); - var heritageClauses = ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause); - var members = transformClassMembers(node, ts.some(heritageClauses, function (c) { return c.token === 84; })); - var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, node.name, undefined, heritageClauses, members, node), node); - if (staticProperties.length > 0) { - var expressions = []; - var temp = ts.createTempVariable(hoistVariableDeclaration); - if (resolver.getNodeCheckFlags(node) & 8388608) { - enableSubstitutionForClassAliases(); - classAliases[ts.getOriginalNodeId(node)] = ts.getSynthesizedClone(temp); + function getSymbolAtLocation(node) { + if (node.kind === 256) { + return ts.isExternalModule(node) ? getMergedSymbol(node.symbol) : undefined; + } + if (isInsideWithStatementBody(node)) { + return undefined; + } + if (ts.isDeclarationName(node)) { + return getSymbolOfNode(node.parent); + } + else if (ts.isLiteralComputedPropertyDeclarationName(node)) { + return getSymbolOfNode(node.parent.parent); + } + if (node.kind === 70) { + if (isInRightSideOfImportOrExportAssignment(node)) { + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + } + else if (node.parent.kind === 170 && + node.parent.parent.kind === 168 && + node === node.parent.propertyName) { + var typeOfPattern = getTypeOfNode(node.parent.parent); + var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); + if (propertyDeclaration) { + return propertyDeclaration; + } } - ts.setEmitFlags(classExpression, 524288 | ts.getEmitFlags(classExpression)); - expressions.push(ts.startOnNewLine(ts.createAssignment(temp, classExpression))); - ts.addRange(expressions, generateInitializedPropertyExpressions(staticProperties, temp)); - expressions.push(ts.startOnNewLine(temp)); - return ts.inlineExpressions(expressions); } - return classExpression; - } - function transformClassMembers(node, hasExtendsClause) { - var members = []; - var constructor = transformConstructor(node, hasExtendsClause); - if (constructor) { - members.push(constructor); + switch (node.kind) { + case 70: + case 173: + case 140: + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + case 98: + var container = ts.getThisContainer(node, false); + if (ts.isFunctionLike(container)) { + var sig = getSignatureFromDeclaration(container); + if (sig.thisParameter) { + return sig.thisParameter; + } + } + case 96: + var type = ts.isPartOfExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); + return type.symbol; + case 166: + return getTypeFromTypeNode(node).symbol; + case 122: + var constructorDeclaration = node.parent; + if (constructorDeclaration && constructorDeclaration.kind === 149) { + return constructorDeclaration.parent.symbol; + } + return undefined; + case 9: + if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || + ((node.parent.kind === 231 || node.parent.kind === 237) && + node.parent.moduleSpecifier === node)) { + return resolveExternalModuleName(node, node); + } + if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node.parent, false)) { + return resolveExternalModuleName(node, node); + } + case 8: + if (node.parent.kind === 174 && node.parent.argumentExpression === node) { + var objectType = checkExpression(node.parent.expression); + if (objectType === unknownType) + return undefined; + var apparentType = getApparentType(objectType); + if (apparentType === unknownType) + return undefined; + return getPropertyOfType(apparentType, node.text); + } + break; } - ts.addRange(members, ts.visitNodes(node.members, classElementVisitor, ts.isClassElement)); - return ts.createNodeArray(members, node.members); + return undefined; } - function transformConstructor(node, hasExtendsClause) { - var hasInstancePropertyWithInitializer = ts.forEach(node.members, isInstanceInitializedProperty); - var hasParameterPropertyAssignments = node.transformFlags & 524288; - var constructor = ts.getFirstConstructorWithBody(node); - if (!hasInstancePropertyWithInitializer && !hasParameterPropertyAssignments) { - return ts.visitEachChild(constructor, visitor, context); + function getShorthandAssignmentValueSymbol(location) { + if (location && location.kind === 254) { + return resolveEntityName(location.name, 107455 | 8388608); } - var parameters = transformConstructorParameters(constructor); - var body = transformConstructorBody(node, constructor, hasExtendsClause); - return ts.startOnNewLine(ts.setOriginalNode(ts.createConstructor(undefined, undefined, parameters, body, constructor || node), constructor)); + return undefined; } - function transformConstructorParameters(constructor) { - return constructor - ? ts.visitNodes(constructor.parameters, visitor, ts.isParameter) - : []; + function getExportSpecifierLocalTargetSymbol(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920 | 8388608); } - function transformConstructorBody(node, constructor, hasExtendsClause) { - var statements = []; - var indexOfFirstStatement = 0; - startLexicalEnvironment(); - if (constructor) { - indexOfFirstStatement = addPrologueDirectivesAndInitialSuperCall(constructor, statements); - var propertyAssignments = getParametersWithPropertyAssignments(constructor); - ts.addRange(statements, ts.map(propertyAssignments, transformParameterWithPropertyAssignment)); + function getTypeOfNode(node) { + if (isInsideWithStatementBody(node)) { + return unknownType; } - else if (hasExtendsClause) { - statements.push(ts.createStatement(ts.createCall(ts.createSuper(), undefined, [ts.createSpread(ts.createIdentifier("arguments"))]))); + if (ts.isPartOfTypeNode(node)) { + return getTypeFromTypeNode(node); } - var properties = getInitializedProperties(node, false); - addInitializedPropertyStatements(statements, properties, ts.createThis()); - if (constructor) { - ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, indexOfFirstStatement)); + if (ts.isPartOfExpression(node)) { + return getTypeOfExpression(node); } - ts.addRange(statements, endLexicalEnvironment()); - return ts.setMultiLine(ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : undefined), true); - } - function addPrologueDirectivesAndInitialSuperCall(ctor, result) { - if (ctor.body) { - var statements = ctor.body.statements; - var index = ts.addPrologueDirectives(result, statements, false, visitor); - if (index === statements.length) { - return index; - } - var statement = statements[index]; - if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { - result.push(ts.visitNode(statement, visitor, ts.isStatement)); - return index + 1; - } - return index; + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { + return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; } - return 0; - } - function getParametersWithPropertyAssignments(node) { - return ts.filter(node.parameters, isParameterWithPropertyAssignment); + if (isTypeDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getDeclaredTypeOfSymbol(symbol); + } + if (isTypeDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + } + if (ts.isDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getTypeOfSymbol(symbol); + } + if (ts.isDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getTypeOfSymbol(symbol); + } + if (ts.isBindingPattern(node)) { + return getTypeForVariableLikeDeclaration(node.parent, true); + } + if (isInRightSideOfImportOrExportAssignment(node)) { + var symbol = getSymbolAtLocation(node); + var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); + return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + } + return unknownType; } - function isParameterWithPropertyAssignment(parameter) { - return ts.hasModifier(parameter, 92) - && ts.isIdentifier(parameter.name); + function getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr) { + ts.Debug.assert(expr.kind === 172 || expr.kind === 171); + if (expr.parent.kind === 209) { + var iteratedType = checkRightHandSideOfForOf(expr.parent.expression); + return checkDestructuringAssignment(expr, iteratedType || unknownType); + } + if (expr.parent.kind === 188) { + var iteratedType = checkExpression(expr.parent.right); + return checkDestructuringAssignment(expr, iteratedType || unknownType); + } + if (expr.parent.kind === 253) { + var typeOfParentObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent.parent); + return checkObjectLiteralDestructuringPropertyAssignment(typeOfParentObjectLiteral || unknownType, expr.parent); + } + ts.Debug.assert(expr.parent.kind === 171); + var typeOfArrayLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent); + var elementType = checkIteratedTypeOrElementType(typeOfArrayLiteral || unknownType, expr.parent, false) || unknownType; + return checkArrayLiteralDestructuringElementAssignment(expr.parent, typeOfArrayLiteral, ts.indexOf(expr.parent.elements, expr), elementType || unknownType); } - function transformParameterWithPropertyAssignment(node) { - ts.Debug.assert(ts.isIdentifier(node.name)); - var name = node.name; - var propertyName = ts.getMutableClone(name); - ts.setEmitFlags(propertyName, 49152 | 1536); - var localName = ts.getMutableClone(name); - ts.setEmitFlags(localName, 49152); - return ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createThis(), propertyName, node.name), localName), ts.moveRangePos(node, -1))); + function getPropertySymbolOfDestructuringAssignment(location) { + var typeOfObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(location.parent.parent); + return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.text); } - function getInitializedProperties(node, isStatic) { - return ts.filter(node.members, isStatic ? isStaticInitializedProperty : isInstanceInitializedProperty); + function getTypeOfExpression(expr) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { + expr = expr.parent; + } + return getRegularTypeOfLiteralType(checkExpression(expr)); } - function isStaticInitializedProperty(member) { - return isInitializedProperty(member, true); + function getParentTypeOfClassElement(node) { + var classSymbol = getSymbolOfNode(node.parent); + return ts.getModifierFlags(node) & 32 + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); } - function isInstanceInitializedProperty(member) { - return isInitializedProperty(member, false); + function getAugmentedPropertiesOfType(type) { + type = getApparentType(type); + var propsByName = createSymbolTable(getPropertiesOfType(type)); + if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { + ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { + if (!propsByName[p.name]) { + propsByName[p.name] = p; + } + }); + } + return getNamedMembers(propsByName); } - function isInitializedProperty(member, isStatic) { - return member.kind === 146 - && isStatic === ts.hasModifier(member, 32) - && member.initializer !== undefined; + function getRootSymbols(symbol) { + if (symbol.flags & 268435456) { + var symbols_3 = []; + var name_26 = symbol.name; + ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { + var symbol = getPropertyOfType(t, name_26); + if (symbol) { + symbols_3.push(symbol); + } + }); + return symbols_3; + } + else if (symbol.flags & 67108864) { + var target = void 0; + var next = symbol; + while (next = getSymbolLinks(next).target) { + target = next; + } + if (target) { + return [target]; + } + } + return [symbol]; } - function addInitializedPropertyStatements(statements, properties, receiver) { - for (var _i = 0, properties_7 = properties; _i < properties_7.length; _i++) { - var property = properties_7[_i]; - var statement = ts.createStatement(transformInitializedProperty(property, receiver)); - ts.setSourceMapRange(statement, ts.moveRangePastModifiers(property)); - ts.setCommentRange(statement, property); - statements.push(statement); + function isArgumentsLocalBinding(node) { + if (!ts.isGeneratedIdentifier(node)) { + node = ts.getParseTreeNode(node, ts.isIdentifier); + if (node) { + return getReferencedValueSymbol(node) === argumentsSymbol; + } } + return false; } - function generateInitializedPropertyExpressions(properties, receiver) { - var expressions = []; - for (var _i = 0, properties_8 = properties; _i < properties_8.length; _i++) { - var property = properties_8[_i]; - var expression = transformInitializedProperty(property, receiver); - expression.startsOnNewLine = true; - ts.setSourceMapRange(expression, ts.moveRangePastModifiers(property)); - ts.setCommentRange(expression, property); - expressions.push(expression); + function moduleExportsSomeValue(moduleReferenceExpression) { + var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); + if (!moduleSymbol || ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { + return true; + } + var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + var symbolLinks = getSymbolLinks(moduleSymbol); + if (symbolLinks.exportsSomeValue === undefined) { + symbolLinks.exportsSomeValue = hasExportAssignment + ? !!(moduleSymbol.flags & 107455) + : ts.forEachProperty(getExportsOfModule(moduleSymbol), isValue); + } + return symbolLinks.exportsSomeValue; + function isValue(s) { + s = resolveSymbol(s); + return s && !!(s.flags & 107455); } - return expressions; - } - function transformInitializedProperty(property, receiver) { - var propertyName = visitPropertyNameOfClassElement(property); - var initializer = ts.visitNode(property.initializer, visitor, ts.isExpression); - var memberAccess = ts.createMemberAccessForPropertyName(receiver, propertyName, propertyName); - return ts.createAssignment(memberAccess, initializer); - } - function getDecoratedClassElements(node, isStatic) { - return ts.filter(node.members, isStatic ? isStaticDecoratedClassElement : isInstanceDecoratedClassElement); - } - function isStaticDecoratedClassElement(member) { - return isDecoratedClassElement(member, true); - } - function isInstanceDecoratedClassElement(member) { - return isDecoratedClassElement(member, false); } - function isDecoratedClassElement(member, isStatic) { - return ts.nodeOrChildIsDecorated(member) - && isStatic === ts.hasModifier(member, 32); + function isNameOfModuleOrEnumDeclaration(node) { + var parent = node.parent; + return ts.isModuleOrEnumDeclaration(parent) && node === parent.name; } - function getDecoratorsOfParameters(node) { - var decorators; + function getReferencedExportContainer(node, prefixLocals) { + node = ts.getParseTreeNode(node, ts.isIdentifier); if (node) { - var parameters = node.parameters; - for (var i = 0; i < parameters.length; i++) { - var parameter = parameters[i]; - if (decorators || parameter.decorators) { - if (!decorators) { - decorators = new Array(parameters.length); + var symbol = getReferencedValueSymbol(node, isNameOfModuleOrEnumDeclaration(node)); + if (symbol) { + if (symbol.flags & 1048576) { + var exportSymbol = getMergedSymbol(symbol.exportSymbol); + if (!prefixLocals && exportSymbol.flags & 944) { + return undefined; + } + symbol = exportSymbol; + } + var parentSymbol = getParentOfSymbol(symbol); + if (parentSymbol) { + if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 256) { + var symbolFile = parentSymbol.valueDeclaration; + var referenceFile = ts.getSourceFileOfNode(node); + var symbolIsUmdExport = symbolFile !== referenceFile; + return symbolIsUmdExport ? undefined : symbolFile; + } + for (var n = node.parent; n; n = n.parent) { + if (ts.isModuleOrEnumDeclaration(n) && getSymbolOfNode(n) === parentSymbol) { + return n; + } } - decorators[i] = parameter.decorators; } } } - return decorators; } - function getAllDecoratorsOfConstructor(node) { - var decorators = node.decorators; - var parameters = getDecoratorsOfParameters(ts.getFirstConstructorWithBody(node)); - if (!decorators && !parameters) { - return undefined; + function getReferencedImportDeclaration(node) { + node = ts.getParseTreeNode(node, ts.isIdentifier); + if (node) { + var symbol = getReferencedValueSymbol(node); + if (symbol && symbol.flags & 8388608) { + return getDeclarationOfAliasSymbol(symbol); + } } - return { - decorators: decorators, - parameters: parameters - }; + return undefined; } - function getAllDecoratorsOfClassElement(node, member) { - switch (member.kind) { - case 150: - case 151: - return getAllDecoratorsOfAccessors(node, member); - case 148: - return getAllDecoratorsOfMethod(member); - case 146: - return getAllDecoratorsOfProperty(member); - default: - return undefined; + function isSymbolOfDeclarationWithCollidingName(symbol) { + if (symbol.flags & 418) { + var links = getSymbolLinks(symbol); + if (links.isDeclarationWithCollidingName === undefined) { + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (ts.isStatementWithLocals(container)) { + var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); + if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { + links.isDeclarationWithCollidingName = true; + } + else if (nodeLinks_1.flags & 131072) { + var isDeclaredInLoop = nodeLinks_1.flags & 262144; + var inLoopInitializer = ts.isIterationStatement(container, false); + var inLoopBodyBlock = container.kind === 200 && ts.isIterationStatement(container.parent, false); + links.isDeclarationWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); + } + else { + links.isDeclarationWithCollidingName = false; + } + } + } + return links.isDeclarationWithCollidingName; } + return false; } - function getAllDecoratorsOfAccessors(node, accessor) { - if (!accessor.body) { - return undefined; - } - var _a = ts.getAllAccessorDeclarations(node.members, accessor), firstAccessor = _a.firstAccessor, secondAccessor = _a.secondAccessor, setAccessor = _a.setAccessor; - if (accessor !== firstAccessor) { - return undefined; + function getReferencedDeclarationWithCollidingName(node) { + if (!ts.isGeneratedIdentifier(node)) { + node = ts.getParseTreeNode(node, ts.isIdentifier); + if (node) { + var symbol = getReferencedValueSymbol(node); + if (symbol && isSymbolOfDeclarationWithCollidingName(symbol)) { + return symbol.valueDeclaration; + } + } } - var decorators = firstAccessor.decorators || (secondAccessor && secondAccessor.decorators); - var parameters = getDecoratorsOfParameters(setAccessor); - if (!decorators && !parameters) { - return undefined; + return undefined; + } + function isDeclarationWithCollidingName(node) { + node = ts.getParseTreeNode(node, ts.isDeclaration); + if (node) { + var symbol = getSymbolOfNode(node); + if (symbol) { + return isSymbolOfDeclarationWithCollidingName(symbol); + } } - return { decorators: decorators, parameters: parameters }; + return false; } - function getAllDecoratorsOfMethod(method) { - if (!method.body) { - return undefined; + function isValueAliasDeclaration(node) { + node = ts.getParseTreeNode(node); + if (node === undefined) { + return true; } - var decorators = method.decorators; - var parameters = getDecoratorsOfParameters(method); - if (!decorators && !parameters) { - return undefined; + switch (node.kind) { + case 230: + case 232: + case 233: + case 235: + case 239: + return isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol); + case 237: + var exportClause = node.exportClause; + return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); + case 236: + return node.expression + && node.expression.kind === 70 + ? isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol) + : true; } - return { decorators: decorators, parameters: parameters }; + return false; } - function getAllDecoratorsOfProperty(property) { - var decorators = property.decorators; - if (!decorators) { - return undefined; + function isTopLevelValueImportEqualsWithEntityName(node) { + node = ts.getParseTreeNode(node, ts.isImportEqualsDeclaration); + if (node === undefined || node.parent.kind !== 256 || !ts.isInternalModuleImportEqualsDeclaration(node)) { + return false; } - return { decorators: decorators }; + var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); + return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); } - function transformAllDecoratorsOfDeclaration(node, allDecorators) { - if (!allDecorators) { - return undefined; + function isAliasResolvedToValue(symbol) { + var target = resolveAlias(symbol); + if (target === unknownSymbol) { + return true; } - var decoratorExpressions = []; - ts.addRange(decoratorExpressions, ts.map(allDecorators.decorators, transformDecorator)); - ts.addRange(decoratorExpressions, ts.flatMap(allDecorators.parameters, transformDecoratorsOfParameter)); - addTypeMetadata(node, decoratorExpressions); - return decoratorExpressions; + return target.flags & 107455 && + (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); } - function addClassElementDecorationStatements(statements, node, isStatic) { - ts.addRange(statements, ts.map(generateClassElementDecorationExpressions(node, isStatic), expressionToStatement)); + function isConstEnumOrConstEnumOnlyModule(s) { + return isConstEnumSymbol(s) || s.constEnumOnlyModule; } - function generateClassElementDecorationExpressions(node, isStatic) { - var members = getDecoratedClassElements(node, isStatic); - var expressions; - for (var _i = 0, members_2 = members; _i < members_2.length; _i++) { - var member = members_2[_i]; - var expression = generateClassElementDecorationExpression(node, member); - if (expression) { - if (!expressions) { - expressions = [expression]; - } - else { - expressions.push(expression); - } + function isReferencedAliasDeclaration(node, checkChildren) { + node = ts.getParseTreeNode(node); + if (node === undefined) { + return true; + } + if (ts.isAliasSymbolDeclaration(node)) { + var symbol = getSymbolOfNode(node); + if (symbol && getSymbolLinks(symbol).referenced) { + return true; } } - return expressions; - } - function generateClassElementDecorationExpression(node, member) { - var allDecorators = getAllDecoratorsOfClassElement(node, member); - var decoratorExpressions = transformAllDecoratorsOfDeclaration(member, allDecorators); - if (!decoratorExpressions) { - return undefined; + if (checkChildren) { + return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); } - var prefix = getClassMemberPrefix(node, member); - var memberName = getExpressionForPropertyName(member, true); - var descriptor = languageVersion > 0 - ? member.kind === 146 - ? ts.createVoidZero() - : ts.createNull() - : undefined; - var helper = ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, prefix, memberName, descriptor, ts.moveRangePastDecorators(member)); - ts.setEmitFlags(helper, 49152); - return helper; + return false; } - function addConstructorDecorationStatement(statements, node, decoratedClassAlias) { - var expression = generateConstructorDecorationExpression(node, decoratedClassAlias); - if (expression) { - statements.push(ts.setOriginalNode(ts.createStatement(expression), node)); + function isImplementationOfOverload(node) { + if (ts.nodeIsPresent(node.body)) { + var symbol = getSymbolOfNode(node); + var signaturesOfSymbol = getSignaturesOfSymbol(symbol); + return signaturesOfSymbol.length > 1 || + (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); } + return false; } - function generateConstructorDecorationExpression(node, decoratedClassAlias) { - var allDecorators = getAllDecoratorsOfConstructor(node); - var decoratorExpressions = transformAllDecoratorsOfDeclaration(node, allDecorators); - if (!decoratorExpressions) { - return undefined; - } - if (decoratedClassAlias) { - var expression = ts.createAssignment(decoratedClassAlias, ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node))); - var result = ts.createAssignment(getDeclarationName(node), expression, ts.moveRangePastDecorators(node)); - ts.setEmitFlags(result, 49152); - return result; - } - else { - var result = ts.createAssignment(getDeclarationName(node), ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node)), ts.moveRangePastDecorators(node)); - ts.setEmitFlags(result, 49152); - return result; - } + function getNodeCheckFlags(node) { + node = ts.getParseTreeNode(node); + return node ? getNodeLinks(node).flags : undefined; } - function transformDecorator(decorator) { - return ts.visitNode(decorator.expression, visitor, ts.isExpression); + function getEnumMemberValue(node) { + computeEnumMemberValues(node.parent); + return getNodeLinks(node).enumMemberValue; } - function transformDecoratorsOfParameter(decorators, parameterOffset) { - var expressions; - if (decorators) { - expressions = []; - for (var _i = 0, decorators_1 = decorators; _i < decorators_1.length; _i++) { - var decorator = decorators_1[_i]; - var helper = ts.createParamHelper(currentSourceFileExternalHelpersModuleName, transformDecorator(decorator), parameterOffset, decorator.expression); - ts.setEmitFlags(helper, 49152); - expressions.push(helper); + function getConstantValue(node) { + if (node.kind === 255) { + return getEnumMemberValue(node); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol && (symbol.flags & 8)) { + if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { + return getEnumMemberValue(symbol.valueDeclaration); } } - return expressions; + return undefined; } - function addTypeMetadata(node, decoratorExpressions) { - if (USE_NEW_TYPE_METADATA_FORMAT) { - addNewTypeMetadata(node, decoratorExpressions); + function isFunctionType(type) { + return type.flags & 32768 && getSignaturesOfType(type, 0).length > 0; + } + function getTypeReferenceSerializationKind(typeName, location) { + var valueSymbol = resolveEntityName(typeName, 107455, true, false, location); + var globalPromiseSymbol = tryGetGlobalPromiseConstructorSymbol(); + if (globalPromiseSymbol && valueSymbol === globalPromiseSymbol) { + return ts.TypeReferenceSerializationKind.Promise; + } + var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; + if (constructorType && isConstructorType(constructorType)) { + return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + } + var typeSymbol = resolveEntityName(typeName, 793064, true, false, location); + if (!typeSymbol) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + var type = getDeclaredTypeOfSymbol(typeSymbol); + if (type === unknownType) { + return ts.TypeReferenceSerializationKind.Unknown; + } + else if (type.flags & 1) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + else if (isTypeOfKind(type, 1024 | 6144 | 8192)) { + return ts.TypeReferenceSerializationKind.VoidNullableOrNeverType; + } + else if (isTypeOfKind(type, 136)) { + return ts.TypeReferenceSerializationKind.BooleanType; + } + else if (isTypeOfKind(type, 340)) { + return ts.TypeReferenceSerializationKind.NumberLikeType; + } + else if (isTypeOfKind(type, 34)) { + return ts.TypeReferenceSerializationKind.StringLikeType; + } + else if (isTupleType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else if (isTypeOfKind(type, 512)) { + return ts.TypeReferenceSerializationKind.ESSymbolType; + } + else if (isFunctionType(type)) { + return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + } + else if (isArrayType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; } else { - addOldTypeMetadata(node, decoratorExpressions); + return ts.TypeReferenceSerializationKind.ObjectType; } } - function addOldTypeMetadata(node, decoratorExpressions) { - if (compilerOptions.emitDecoratorMetadata) { - if (shouldAddTypeMetadata(node)) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:type", serializeTypeOfNode(node))); - } - if (shouldAddParamTypesMetadata(node)) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:paramtypes", serializeParameterTypesOfNode(node))); - } - if (shouldAddReturnTypeMetadata(node)) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:returntype", serializeReturnTypeOfNode(node))); + function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { + var symbol = getSymbolOfNode(declaration); + var type = symbol && !(symbol.flags & (2048 | 131072)) + ? getWidenedLiteralType(getTypeOfSymbol(symbol)) + : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { + var signature = getSignatureFromDeclaration(signatureDeclaration); + getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); + } + function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { + var type = getWidenedType(getTypeOfExpression(expr)); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeBaseConstructorTypeOfClass(node, enclosingDeclaration, flags, writer) { + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(node)); + resolveBaseTypesOfClass(classType); + var baseType = classType.resolvedBaseTypes.length ? classType.resolvedBaseTypes[0] : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(baseType, writer, enclosingDeclaration, flags); + } + function hasGlobalName(name) { + return !!globals[name]; + } + function getReferencedValueSymbol(reference, startInDeclarationContainer) { + var resolvedSymbol = getNodeLinks(reference).resolvedSymbol; + if (resolvedSymbol) { + return resolvedSymbol; + } + var location = reference; + if (startInDeclarationContainer) { + var parent_14 = reference.parent; + if (ts.isDeclaration(parent_14) && reference === parent_14.name) { + location = getDeclarationContainer(parent_14); } } + return resolveName(location, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); } - function addNewTypeMetadata(node, decoratorExpressions) { - if (compilerOptions.emitDecoratorMetadata) { - var properties = void 0; - if (shouldAddTypeMetadata(node)) { - (properties || (properties = [])).push(ts.createPropertyAssignment("type", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeTypeOfNode(node)))); - } - if (shouldAddParamTypesMetadata(node)) { - (properties || (properties = [])).push(ts.createPropertyAssignment("paramTypes", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeParameterTypesOfNode(node)))); - } - if (shouldAddReturnTypeMetadata(node)) { - (properties || (properties = [])).push(ts.createPropertyAssignment("returnType", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeReturnTypeOfNode(node)))); - } - if (properties) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:typeinfo", ts.createObjectLiteral(properties, undefined, true))); + function getReferencedValueDeclaration(reference) { + if (!ts.isGeneratedIdentifier(reference)) { + reference = ts.getParseTreeNode(reference, ts.isIdentifier); + if (reference) { + var symbol = getReferencedValueSymbol(reference); + if (symbol) { + return getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + } } } + return undefined; } - function shouldAddTypeMetadata(node) { - var kind = node.kind; - return kind === 148 - || kind === 150 - || kind === 151 - || kind === 146; - } - function shouldAddReturnTypeMetadata(node) { - return node.kind === 148; + function isLiteralConstDeclaration(node) { + if (ts.isConst(node)) { + var type = getTypeOfSymbol(getSymbolOfNode(node)); + return !!(type.flags & 96 && type.flags & 262144); + } + return false; } - function shouldAddParamTypesMetadata(node) { - var kind = node.kind; - return kind === 222 - || kind === 193 - || kind === 148 - || kind === 150 - || kind === 151; + function writeLiteralConstValue(node, writer) { + var type = getTypeOfSymbol(getSymbolOfNode(node)); + writer.writeStringLiteral(literalTypeToString(type)); } - function serializeTypeOfNode(node) { - switch (node.kind) { - case 146: - case 143: - case 150: - return serializeTypeNode(node.type); - case 151: - return serializeTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); - case 222: - case 193: - case 148: - return ts.createIdentifier("Function"); - default: - return ts.createVoidZero(); + function createResolver() { + var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives(); + var fileToDirective; + if (resolvedTypeReferenceDirectives) { + fileToDirective = ts.createFileMap(); + for (var key in resolvedTypeReferenceDirectives) { + var resolvedDirective = resolvedTypeReferenceDirectives[key]; + if (!resolvedDirective) { + continue; + } + var file = host.getSourceFile(resolvedDirective.resolvedFileName); + fileToDirective.set(file.path, key); + } } - } - function getRestParameterElementType(node) { - if (node && node.kind === 161) { - return node.elementType; + return { + getReferencedExportContainer: getReferencedExportContainer, + getReferencedImportDeclaration: getReferencedImportDeclaration, + getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, + isDeclarationWithCollidingName: isDeclarationWithCollidingName, + isValueAliasDeclaration: isValueAliasDeclaration, + hasGlobalName: hasGlobalName, + isReferencedAliasDeclaration: isReferencedAliasDeclaration, + getNodeCheckFlags: getNodeCheckFlags, + isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, + isDeclarationVisible: isDeclarationVisible, + isImplementationOfOverload: isImplementationOfOverload, + writeTypeOfDeclaration: writeTypeOfDeclaration, + writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, + writeTypeOfExpression: writeTypeOfExpression, + writeBaseConstructorTypeOfClass: writeBaseConstructorTypeOfClass, + isSymbolAccessible: isSymbolAccessible, + isEntityNameVisible: isEntityNameVisible, + getConstantValue: getConstantValue, + collectLinkedAliases: collectLinkedAliases, + getReferencedValueDeclaration: getReferencedValueDeclaration, + getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, + isOptionalParameter: isOptionalParameter, + moduleExportsSomeValue: moduleExportsSomeValue, + isArgumentsLocalBinding: isArgumentsLocalBinding, + getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration, + getTypeReferenceDirectivesForEntityName: getTypeReferenceDirectivesForEntityName, + getTypeReferenceDirectivesForSymbol: getTypeReferenceDirectivesForSymbol, + isLiteralConstDeclaration: isLiteralConstDeclaration, + writeLiteralConstValue: writeLiteralConstValue + }; + function getTypeReferenceDirectivesForEntityName(node) { + if (!fileToDirective) { + return undefined; + } + var meaning = (node.kind === 173) || (node.kind === 70 && isInTypeQuery(node)) + ? 107455 | 1048576 + : 793064 | 1920; + var symbol = resolveEntityName(node, meaning, true); + return symbol && symbol !== unknownSymbol ? getTypeReferenceDirectivesForSymbol(symbol, meaning) : undefined; + } + function getTypeReferenceDirectivesForSymbol(symbol, meaning) { + if (!fileToDirective) { + return undefined; + } + if (!isSymbolFromTypeDeclarationFile(symbol)) { + return undefined; + } + var typeReferenceDirectives; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (decl.symbol && decl.symbol.flags & meaning) { + var file = ts.getSourceFileOfNode(decl); + var typeReferenceDirective = fileToDirective.get(file.path); + if (typeReferenceDirective) { + (typeReferenceDirectives || (typeReferenceDirectives = [])).push(typeReferenceDirective); + } + } + } + return typeReferenceDirectives; } - else if (node && node.kind === 156) { - return ts.singleOrUndefined(node.typeArguments); + function isSymbolFromTypeDeclarationFile(symbol) { + if (!symbol.declarations) { + return false; + } + var current = symbol; + while (true) { + var parent_15 = getParentOfSymbol(current); + if (parent_15) { + current = parent_15; + } + else { + break; + } + } + if (current.valueDeclaration && current.valueDeclaration.kind === 256 && current.flags & 512) { + return false; + } + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var file = ts.getSourceFileOfNode(decl); + if (fileToDirective.contains(file.path)) { + return true; + } + } + return false; } - else { + } + function getExternalModuleFileFromDeclaration(declaration) { + var specifier = ts.getExternalModuleName(declaration); + var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); + if (!moduleSymbol) { return undefined; } + return ts.getDeclarationOfKind(moduleSymbol, 256); } - function serializeParameterTypesOfNode(node) { - var valueDeclaration = ts.isClassLike(node) - ? ts.getFirstConstructorWithBody(node) - : ts.isFunctionLike(node) && ts.nodeIsPresent(node.body) - ? node - : undefined; - var expressions = []; - if (valueDeclaration) { - var parameters = valueDeclaration.parameters; - var numParameters = parameters.length; - for (var i = 0; i < numParameters; i++) { - var parameter = parameters[i]; - if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.text === "this") { - continue; - } - if (parameter.dotDotDotToken) { - expressions.push(serializeTypeNode(getRestParameterElementType(parameter.type))); + function initializeTypeChecker() { + for (var _i = 0, _a = host.getSourceFiles(); _i < _a.length; _i++) { + var file = _a[_i]; + ts.bindSourceFile(file, compilerOptions); + } + var augmentations; + var requestedExternalEmitHelpers = 0; + var firstFileRequestingExternalHelpers; + for (var _b = 0, _c = host.getSourceFiles(); _b < _c.length; _b++) { + var file = _c[_b]; + if (!ts.isExternalOrCommonJsModule(file)) { + mergeSymbolTable(globals, file.locals); + } + if (file.patternAmbientModules && file.patternAmbientModules.length) { + patternAmbientModules = ts.concatenate(patternAmbientModules, file.patternAmbientModules); + } + if (file.moduleAugmentations.length) { + (augmentations || (augmentations = [])).push(file.moduleAugmentations); + } + if (file.symbol && file.symbol.globalExports) { + var source = file.symbol.globalExports; + for (var id in source) { + if (!(id in globals)) { + globals[id] = source[id]; + } } - else { - expressions.push(serializeTypeOfNode(parameter)); + } + if ((compilerOptions.isolatedModules || ts.isExternalModule(file)) && !file.isDeclarationFile) { + var fileRequestedExternalEmitHelpers = file.flags & 31744; + if (fileRequestedExternalEmitHelpers) { + requestedExternalEmitHelpers |= fileRequestedExternalEmitHelpers; + if (firstFileRequestingExternalHelpers === undefined) { + firstFileRequestingExternalHelpers = file; + } } } } - return ts.createArrayLiteral(expressions); - } - function serializeReturnTypeOfNode(node) { - if (ts.isFunctionLike(node) && node.type) { - return serializeTypeNode(node.type); + if (augmentations) { + for (var _d = 0, augmentations_1 = augmentations; _d < augmentations_1.length; _d++) { + var list = augmentations_1[_d]; + for (var _e = 0, list_1 = list; _e < list_1.length; _e++) { + var augmentation = list_1[_e]; + mergeModuleAugmentation(augmentation); + } + } } - else if (ts.isAsyncFunctionLike(node)) { - return ts.createIdentifier("Promise"); + addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); + getSymbolLinks(undefinedSymbol).type = undefinedWideningType; + getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); + getSymbolLinks(unknownSymbol).type = unknownType; + globalArrayType = getGlobalType("Array", 1); + globalObjectType = getGlobalType("Object"); + globalFunctionType = getGlobalType("Function"); + globalStringType = getGlobalType("String"); + globalNumberType = getGlobalType("Number"); + globalBooleanType = getGlobalType("Boolean"); + globalRegExpType = getGlobalType("RegExp"); + jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); + getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); + getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); + getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); + getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); + getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); + getGlobalESSymbolConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Symbol"); }); + getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); + tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793064, undefined) && getGlobalPromiseType(); }); + getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); + getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); + getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); + tryGetGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalSymbol("Promise", 107455, undefined) && getGlobalPromiseConstructorSymbol(); }); + getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); + getGlobalThenableType = ts.memoize(createThenableType); + getGlobalTemplateStringsArrayType = ts.memoize(function () { return getGlobalType("TemplateStringsArray"); }); + if (languageVersion >= 2) { + getGlobalESSymbolType = ts.memoize(function () { return getGlobalType("Symbol"); }); + getGlobalIterableType = ts.memoize(function () { return getGlobalType("Iterable", 1); }); + getGlobalIteratorType = ts.memoize(function () { return getGlobalType("Iterator", 1); }); + getGlobalIterableIteratorType = ts.memoize(function () { return getGlobalType("IterableIterator", 1); }); } - return ts.createVoidZero(); - } - function serializeTypeNode(node) { - if (node === undefined) { - return ts.createIdentifier("Object"); + else { + getGlobalESSymbolType = ts.memoize(function () { return emptyObjectType; }); + getGlobalIterableType = ts.memoize(function () { return emptyGenericType; }); + getGlobalIteratorType = ts.memoize(function () { return emptyGenericType; }); + getGlobalIterableIteratorType = ts.memoize(function () { return emptyGenericType; }); } - switch (node.kind) { - case 104: - return ts.createVoidZero(); - case 165: - return serializeTypeNode(node.type); - case 157: - case 158: - return ts.createIdentifier("Function"); - case 161: - case 162: - return ts.createIdentifier("Array"); - case 155: - case 121: - return ts.createIdentifier("Boolean"); - case 133: - return ts.createIdentifier("String"); - case 167: - switch (node.literal.kind) { - case 9: - return ts.createIdentifier("String"); - case 8: - return ts.createIdentifier("Number"); - case 100: - case 85: - return ts.createIdentifier("Boolean"); - default: - ts.Debug.failBadSyntaxKind(node.literal); - break; + anyArrayType = createArrayType(anyType); + autoArrayType = createArrayType(autoType); + var symbol = getGlobalSymbol("ReadonlyArray", 793064, undefined); + globalReadonlyArrayType = symbol && getTypeOfGlobalSymbol(symbol, 1); + anyReadonlyArrayType = globalReadonlyArrayType ? createTypeFromGenericGlobalType(globalReadonlyArrayType, [anyType]) : anyArrayType; + if (compilerOptions.importHelpers && firstFileRequestingExternalHelpers) { + var helpersModule = resolveExternalModule(firstFileRequestingExternalHelpers, ts.externalHelpersModuleNameText, ts.Diagnostics.Cannot_find_module_0, undefined); + if (helpersModule) { + var exports_2 = helpersModule.exports; + if (requestedExternalEmitHelpers & 1024 && languageVersion < 2) { + verifyHelperSymbol(exports_2, "__extends", 107455); } - break; - case 131: - return ts.createIdentifier("Number"); - case 134: - return languageVersion < 2 - ? getGlobalSymbolNameWithFallback() - : ts.createIdentifier("Symbol"); - case 156: - return serializeTypeReferenceNode(node); - case 164: - case 163: - { - var unionOrIntersection = node; - var serializedUnion = void 0; - for (var _i = 0, _a = unionOrIntersection.types; _i < _a.length; _i++) { - var typeNode = _a[_i]; - var serializedIndividual = serializeTypeNode(typeNode); - if (serializedIndividual.kind !== 70) { - serializedUnion = undefined; - break; - } - if (serializedIndividual.text === "Object") { - return serializedIndividual; - } - if (serializedUnion && serializedUnion.text !== serializedIndividual.text) { - serializedUnion = undefined; - break; - } - serializedUnion = serializedIndividual; + if (requestedExternalEmitHelpers & 16384 && compilerOptions.jsx !== 1) { + verifyHelperSymbol(exports_2, "__assign", 107455); + } + if (requestedExternalEmitHelpers & 2048) { + verifyHelperSymbol(exports_2, "__decorate", 107455); + if (compilerOptions.emitDecoratorMetadata) { + verifyHelperSymbol(exports_2, "__metadata", 107455); } - if (serializedUnion) { - return serializedUnion; + } + if (requestedExternalEmitHelpers & 4096) { + verifyHelperSymbol(exports_2, "__param", 107455); + } + if (requestedExternalEmitHelpers & 8192) { + verifyHelperSymbol(exports_2, "__awaiter", 107455); + if (languageVersion < 2) { + verifyHelperSymbol(exports_2, "__generator", 107455); } } - case 159: - case 160: - case 118: - case 166: - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; + } } - return ts.createIdentifier("Object"); } - function serializeTypeReferenceNode(node) { - switch (resolver.getTypeReferenceSerializationKind(node.typeName, currentScope)) { - case ts.TypeReferenceSerializationKind.Unknown: - var serialized = serializeEntityNameAsExpression(node.typeName, true); - var temp = ts.createTempVariable(hoistVariableDeclaration); - return ts.createLogicalOr(ts.createLogicalAnd(ts.createStrictEquality(ts.createTypeOf(ts.createAssignment(temp, serialized)), ts.createLiteral("function")), temp), ts.createIdentifier("Object")); - case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: - return serializeEntityNameAsExpression(node.typeName, false); - case ts.TypeReferenceSerializationKind.VoidNullableOrNeverType: - return ts.createVoidZero(); - case ts.TypeReferenceSerializationKind.BooleanType: - return ts.createIdentifier("Boolean"); - case ts.TypeReferenceSerializationKind.NumberLikeType: - return ts.createIdentifier("Number"); - case ts.TypeReferenceSerializationKind.StringLikeType: - return ts.createIdentifier("String"); - case ts.TypeReferenceSerializationKind.ArrayLikeType: - return ts.createIdentifier("Array"); - case ts.TypeReferenceSerializationKind.ESSymbolType: - return languageVersion < 2 - ? getGlobalSymbolNameWithFallback() - : ts.createIdentifier("Symbol"); - case ts.TypeReferenceSerializationKind.TypeWithCallSignature: - return ts.createIdentifier("Function"); - case ts.TypeReferenceSerializationKind.Promise: - return ts.createIdentifier("Promise"); - case ts.TypeReferenceSerializationKind.ObjectType: - default: - return ts.createIdentifier("Object"); + function verifyHelperSymbol(symbols, name, meaning) { + var symbol = getSymbol(symbols, ts.escapeIdentifier(name), meaning); + if (!symbol) { + error(undefined, ts.Diagnostics.Module_0_has_no_exported_member_1, ts.externalHelpersModuleNameText, name); } } - function serializeEntityNameAsExpression(node, useFallback) { - switch (node.kind) { - case 70: - var name_27 = ts.getMutableClone(node); - name_27.flags &= ~8; - name_27.original = undefined; - name_27.parent = currentScope; - if (useFallback) { - return ts.createLogicalAnd(ts.createStrictInequality(ts.createTypeOf(name_27), ts.createLiteral("undefined")), name_27); - } - return name_27; - case 140: - return serializeQualifiedNameAsExpression(node, useFallback); + function createInstantiatedPromiseLikeType() { + var promiseLikeType = getGlobalPromiseLikeType(); + if (promiseLikeType !== emptyGenericType) { + return createTypeReference(promiseLikeType, [anyType]); } + return emptyObjectType; } - function serializeQualifiedNameAsExpression(node, useFallback) { - var left; - if (node.left.kind === 70) { - left = serializeEntityNameAsExpression(node.left, useFallback); + function createThenableType() { + var thenPropertySymbol = createSymbol(67108864 | 4, "then"); + getSymbolLinks(thenPropertySymbol).type = globalFunctionType; + var thenableType = createObjectType(16); + thenableType.properties = [thenPropertySymbol]; + thenableType.members = createSymbolTable(thenableType.properties); + thenableType.callSignatures = []; + thenableType.constructSignatures = []; + return thenableType; + } + function checkGrammarDecorators(node) { + if (!node.decorators) { + return false; } - else if (useFallback) { - var temp = ts.createTempVariable(hoistVariableDeclaration); - left = ts.createLogicalAnd(ts.createAssignment(temp, serializeEntityNameAsExpression(node.left, true)), temp); + if (!ts.nodeCanBeDecorated(node)) { + if (node.kind === 148 && !ts.nodeIsPresent(node.body)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); + } } - else { - left = serializeEntityNameAsExpression(node.left, false); + else if (node.kind === 150 || node.kind === 151) { + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + } } - return ts.createPropertyAccess(left, node.right); - } - function getGlobalSymbolNameWithFallback() { - return ts.createConditional(ts.createStrictEquality(ts.createTypeOf(ts.createIdentifier("Symbol")), ts.createLiteral("function")), ts.createToken(54), ts.createIdentifier("Symbol"), ts.createToken(55), ts.createIdentifier("Object")); + return false; } - function getExpressionForPropertyName(member, generateNameForComputedPropertyName) { - var name = member.name; - if (ts.isComputedPropertyName(name)) { - return generateNameForComputedPropertyName - ? ts.getGeneratedNameForNode(name) - : name.expression; + function checkGrammarModifiers(node) { + var quickResult = reportObviousModifierErrors(node); + if (quickResult !== undefined) { + return quickResult; } - else if (ts.isIdentifier(name)) { - return ts.createLiteral(name.text); + var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync, lastReadonly; + var flags = 0; + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + if (modifier.kind !== 129) { + if (node.kind === 145 || node.kind === 147) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind)); + } + if (node.kind === 154) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind)); + } + } + switch (modifier.kind) { + case 75: + if (node.kind !== 225 && node.parent.kind === 222) { + return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(75)); + } + break; + case 113: + case 112: + case 111: + var text = visibilityToString(ts.modifierToFlag(modifier.kind)); + if (modifier.kind === 112) { + lastProtected = modifier; + } + else if (modifier.kind === 111) { + lastPrivate = modifier; + } + if (flags & 28) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); + } + else if (flags & 32) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); + } + else if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "readonly"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); + } + else if (node.parent.kind === 227 || node.parent.kind === 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, text); + } + else if (flags & 128) { + if (modifier.kind === 111) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); + } + else { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); + } + } + flags |= ts.modifierToFlag(modifier.kind); + break; + case 114: + if (flags & 32) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); + } + else if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "readonly"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); + } + else if (node.parent.kind === 227 || node.parent.kind === 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, "static"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + flags |= 32; + lastStatic = modifier; + break; + case 129: + if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "readonly"); + } + else if (node.kind !== 146 && node.kind !== 145 && node.kind !== 154 && node.kind !== 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics.readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature); + } + flags |= 64; + lastReadonly = modifier; + break; + case 83: + if (flags & 1) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); + } + else if (flags & 2) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); + } + else if (node.parent.kind === 222) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); + } + flags |= 1; + break; + case 123: + if (flags & 2) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.parent.kind === 222) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + } + else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 227) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + } + flags |= 2; + lastDeclare = modifier; + break; + case 116: + if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + } + if (node.kind !== 222) { + if (node.kind !== 148 && + node.kind !== 146 && + node.kind !== 150 && + node.kind !== 151) { + return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration); + } + if (!(node.parent.kind === 222 && ts.getModifierFlags(node.parent) & 128)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); + } + if (flags & 32) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + if (flags & 8) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + } + } + flags |= 128; + break; + case 119: + if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); + } + else if (flags & 2 || ts.isInAmbientContext(node.parent)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + } + flags |= 256; + lastAsync = modifier; + break; + } + } + if (node.kind === 149) { + if (flags & 32) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + } + if (flags & 128) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + } + else if (flags & 256) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + else if (flags & 64) { + return grammarErrorOnNode(lastReadonly, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "readonly"); + } + return; } - else { - return ts.getSynthesizedClone(name); + else if ((node.kind === 231 || node.kind === 230) && flags & 2) { + return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); } - } - function visitPropertyNameOfClassElement(member) { - var name = member.name; - if (ts.isComputedPropertyName(name)) { - var expression = ts.visitNode(name.expression, visitor, ts.isExpression); - if (member.decorators) { - var generatedName = ts.getGeneratedNameForNode(name); - hoistVariableDeclaration(generatedName); - expression = ts.createAssignment(generatedName, expression); - } - return ts.setOriginalNode(ts.createComputedPropertyName(expression, name), name); + else if (node.kind === 143 && (flags & 92) && ts.isBindingPattern(node.name)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_declared_using_a_binding_pattern); } - else { - return name; + else if (node.kind === 143 && (flags & 92) && node.dotDotDotToken) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_cannot_be_declared_using_a_rest_parameter); } - } - function visitHeritageClause(node) { - if (node.token === 84) { - var types = ts.visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments, 0, 1); - return ts.createHeritageClause(84, types, node); + if (flags & 256) { + return checkGrammarAsyncModifier(node, lastAsync); } - return undefined; } - function visitExpressionWithTypeArguments(node) { - var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); - return ts.createExpressionWithTypeArguments(undefined, expression, node); - } - function shouldEmitFunctionLikeDeclaration(node) { - return !ts.nodeIsMissing(node.body); - } - function visitConstructor(node) { - if (!shouldEmitFunctionLikeDeclaration(node)) { - return undefined; - } - return ts.visitEachChild(node, visitor, context); + function reportObviousModifierErrors(node) { + return !node.modifiers + ? false + : shouldReportBadModifier(node) + ? grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here) + : undefined; } - function visitMethodDeclaration(node) { - if (!shouldEmitFunctionLikeDeclaration(node)) { - return undefined; + function shouldReportBadModifier(node) { + switch (node.kind) { + case 150: + case 151: + case 149: + case 146: + case 145: + case 148: + case 147: + case 154: + case 226: + case 231: + case 230: + case 237: + case 236: + case 180: + case 181: + case 143: + return false; + default: + if (node.parent.kind === 227 || node.parent.kind === 256) { + return false; + } + switch (node.kind) { + case 221: + return nodeHasAnyModifiersExcept(node, 119); + case 222: + return nodeHasAnyModifiersExcept(node, 116); + case 223: + case 201: + case 224: + return true; + case 225: + return nodeHasAnyModifiersExcept(node, 75); + default: + ts.Debug.fail(); + return false; + } } - var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, visitPropertyNameOfClassElement(node), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setCommentRange(method, node); - ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(method, node); - return method; } - function shouldEmitAccessorDeclaration(node) { - return !(ts.nodeIsMissing(node.body) && ts.hasModifier(node, 128)); + function nodeHasAnyModifiersExcept(node, allowedModifier) { + return node.modifiers.length > 1 || node.modifiers[0].kind !== allowedModifier; } - function visitGetAccessor(node) { - if (!shouldEmitAccessorDeclaration(node)) { - return undefined; + function checkGrammarAsyncModifier(node, asyncModifier) { + switch (node.kind) { + case 148: + case 221: + case 180: + case 181: + if (!node.asteriskToken) { + return false; + } + break; } - var accessor = ts.createGetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); - ts.setCommentRange(accessor, node); - ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(accessor, node); - return accessor; + return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); } - function visitSetAccessor(node) { - if (!shouldEmitAccessorDeclaration(node)) { - return undefined; + function checkGrammarForDisallowedTrailingComma(list) { + if (list && list.hasTrailingComma) { + var start = list.end - ",".length; + var end = list.end; + var sourceFile = ts.getSourceFileOfNode(list[0]); + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); } - var accessor = ts.createSetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); - ts.setCommentRange(accessor, node); - ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(accessor, node); - return accessor; } - function visitFunctionDeclaration(node) { - if (!shouldEmitFunctionLikeDeclaration(node)) { - return ts.createNotEmittedStatement(node); + function checkGrammarTypeParameterList(typeParameters, file) { + if (checkGrammarForDisallowedTrailingComma(typeParameters)) { + return true; } - var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - if (isNamespaceExport(node)) { - var statements = [func]; - addExportMemberAssignment(statements, node); - return statements; + if (typeParameters && typeParameters.length === 0) { + var start = typeParameters.pos - "<".length; + var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; + return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); } - return func; } - function visitFunctionExpression(node) { - if (ts.nodeIsMissing(node.body)) { - return ts.createOmittedExpression(); + function checkGrammarParameterList(parameters) { + var seenOptionalParameter = false; + var parameterCount = parameters.length; + for (var i = 0; i < parameterCount; i++) { + var parameter = parameters[i]; + if (parameter.dotDotDotToken) { + if (i !== (parameterCount - 1)) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + if (ts.isBindingPattern(parameter.name)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + } + } + else if (parameter.questionToken) { + seenOptionalParameter = true; + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + } + } + else if (seenOptionalParameter && !parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); + } } - var func = ts.createFunctionExpression(ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; } - function visitArrowFunction(node) { - var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); - ts.setOriginalNode(func, node); - return func; - } - function transformFunctionBody(node) { - return transformFunctionBodyWorker(node.body); - } - function transformFunctionBodyWorker(body, start) { - if (start === void 0) { start = 0; } - var savedCurrentScope = currentScope; - var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; - currentScope = body; - currentScopeFirstDeclarationsOfName = ts.createMap(); - startLexicalEnvironment(); - var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); - var visited = ts.updateBlock(body, statements); - var declarations = endLexicalEnvironment(); - currentScope = savedCurrentScope; - currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; - return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - } - function transformConciseBody(node) { - return transformConciseBodyWorker(node.body, false); + function checkGrammarFunctionLikeDeclaration(node) { + var file = ts.getSourceFileOfNode(node); + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node.typeParameters, file) || + checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); } - function transformConciseBodyWorker(body, forceBlockFunctionBody) { - if (ts.isBlock(body)) { - return transformFunctionBodyWorker(body); + function checkGrammarArrowFunction(node, file) { + if (node.kind === 181) { + var arrowFunction = node; + var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; + if (startLine !== endLine) { + return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + } } - else { - startLexicalEnvironment(); - var visited = ts.visitNode(body, visitor, ts.isConciseBody); - var declarations = endLexicalEnvironment(); - var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - if (forceBlockFunctionBody && !ts.isBlock(merged)) { - return ts.createBlock([ - ts.createReturn(merged) - ]); + return false; + } + function checkGrammarIndexSignatureParameters(node) { + var parameter = node.parameters[0]; + if (node.parameters.length !== 1) { + if (parameter) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); } else { - return merged; + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); } } - } - function visitParameter(node) { - if (ts.parameterIsThisKeyword(node)) { - return undefined; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); } - var parameter = ts.createParameterDeclaration(undefined, undefined, node.dotDotDotToken, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, undefined, ts.visitNode(node.initializer, visitor, ts.isExpression), ts.moveRangePastModifiers(node)); - ts.setOriginalNode(parameter, node); - ts.setCommentRange(parameter, node); - ts.setSourceMapRange(parameter, ts.moveRangePastModifiers(node)); - ts.setEmitFlags(parameter.name, 1024); - return parameter; - } - function visitVariableStatement(node) { - if (isNamespaceExport(node)) { - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length === 0) { - return undefined; - } - return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); + if (ts.getModifierFlags(parameter) !== 0) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); } - else { - return ts.visitEachChild(node, visitor, context); + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); } - } - function transformInitializedVariable(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getNamespaceMemberNameWithSourceMapsAndWithoutComments, visitor); + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); } - else { - return ts.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(name), ts.visitNode(node.initializer, visitor, ts.isExpression), node); + if (!parameter.type) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); } - } - function visitVariableDeclaration(node) { - return ts.updateVariableDeclaration(node, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, ts.visitNode(node.initializer, visitor, ts.isExpression)); - } - function visitParenthesizedExpression(node) { - var innerExpression = ts.skipOuterExpressions(node.expression, ~2); - if (ts.isAssertionExpression(innerExpression)) { - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - return ts.createPartiallyEmittedExpression(expression, node); + if (parameter.type.kind !== 133 && parameter.type.kind !== 131) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + if (!node.type) { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); } - return ts.visitEachChild(node, visitor, context); - } - function visitAssertionExpression(node) { - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - return ts.createPartiallyEmittedExpression(expression, node); - } - function visitNonNullExpression(node) { - var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); - return ts.createPartiallyEmittedExpression(expression, node); } - function visitCallExpression(node) { - return ts.updateCall(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + function checkGrammarIndexSignature(node) { + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node); } - function visitNewExpression(node) { - return ts.updateNew(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { + if (typeArguments && typeArguments.length === 0) { + var sourceFile = ts.getSourceFileOfNode(node); + var start = typeArguments.pos - "<".length; + var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } } - function shouldEmitEnumDeclaration(node) { - return !ts.isConst(node) - || compilerOptions.preserveConstEnums - || compilerOptions.isolatedModules; + function checkGrammarTypeArguments(node, typeArguments) { + return checkGrammarForDisallowedTrailingComma(typeArguments) || + checkGrammarForAtLeastOneTypeArgument(node, typeArguments); } - function shouldEmitVarForEnumDeclaration(node) { - return isFirstEmittedDeclarationInScope(node) - && (!ts.hasModifier(node, 1) - || isES6ExportedDeclaration(node)); + function checkGrammarForOmittedArgument(node, args) { + if (args) { + var sourceFile = ts.getSourceFileOfNode(node); + for (var _i = 0, args_4 = args; _i < args_4.length; _i++) { + var arg = args_4[_i]; + if (arg.kind === 194) { + return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + } + } + } } - function addVarForEnumExportedFromNamespace(statements, node) { - var statement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, getExportName(node))]); - ts.setSourceMapRange(statement, node); - statements.push(statement); + function checkGrammarArguments(node, args) { + return checkGrammarForOmittedArgument(node, args); } - function visitEnumDeclaration(node) { - if (!shouldEmitEnumDeclaration(node)) { - return undefined; + function checkGrammarHeritageClause(node) { + var types = node.types; + if (checkGrammarForDisallowedTrailingComma(types)) { + return true; } - var statements = []; - var emitFlags = 64; - recordEmittedDeclarationInScope(node); - if (shouldEmitVarForEnumDeclaration(node)) { - addVarForEnumOrModuleDeclaration(statements, node); - if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { - emitFlags |= 16384; + if (types && types.length === 0) { + var listType = ts.tokenToString(node.token); + var sourceFile = ts.getSourceFileOfNode(node); + return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + } + function checkGrammarClassDeclarationHeritageClauses(node) { + var seenExtendsClause = false; + var seenImplementsClause = false; + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 84) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + } + if (heritageClause.types.length > 1) { + return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 107); + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + seenImplementsClause = true; + } + checkGrammarHeritageClause(heritageClause); } } - var parameterName = getNamespaceParameterName(node); - var containerName = getNamespaceContainerName(node); - var exportName = getExportName(node); - var enumStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformEnumBody(node, containerName)), undefined, [ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral()))]), node); - ts.setOriginalNode(enumStatement, node); - ts.setEmitFlags(enumStatement, emitFlags); - statements.push(enumStatement); - if (isNamespaceExport(node)) { - addVarForEnumExportedFromNamespace(statements, node); + } + function checkGrammarInterfaceDeclaration(node) { + var seenExtendsClause = false; + if (node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 84) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 107); + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); + } + checkGrammarHeritageClause(heritageClause); + } } - return statements; + return false; } - function transformEnumBody(node, localName) { - var savedCurrentNamespaceLocalName = currentNamespaceContainerName; - currentNamespaceContainerName = localName; - var statements = []; - startLexicalEnvironment(); - ts.addRange(statements, ts.map(node.members, transformEnumMember)); - ts.addRange(statements, endLexicalEnvironment()); - currentNamespaceContainerName = savedCurrentNamespaceLocalName; - return ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); + function checkGrammarComputedPropertyName(node) { + if (node.kind !== 141) { + return false; + } + var computedPropertyName = node; + if (computedPropertyName.expression.kind === 188 && computedPropertyName.expression.operatorToken.kind === 25) { + return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + } } - function transformEnumMember(member) { - var name = getExpressionForPropertyName(member, false); - return ts.createStatement(ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, name), transformEnumMemberDeclarationValue(member))), name, member), member); + function checkGrammarForGenerator(node) { + if (node.asteriskToken) { + ts.Debug.assert(node.kind === 221 || + node.kind === 180 || + node.kind === 148); + if (ts.isInAmbientContext(node)) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); + } + if (!node.body) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); + } + if (languageVersion < 2) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher); + } + } } - function transformEnumMemberDeclarationValue(member) { - var value = resolver.getConstantValue(member); - if (value !== undefined) { - return ts.createLiteral(value); + function checkGrammarForInvalidQuestionMark(questionToken, message) { + if (questionToken) { + return grammarErrorOnNode(questionToken, message); } - else { - enableSubstitutionForNonQualifiedEnumMembers(); - if (member.initializer) { - return ts.visitNode(member.initializer, visitor, ts.isExpression); + } + function checkGrammarObjectLiteralExpression(node, inDestructuring) { + var seen = ts.createMap(); + var Property = 1; + var GetAccessor = 2; + var SetAccessor = 4; + var GetOrSetAccessor = GetAccessor | SetAccessor; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + var name_27 = prop.name; + if (name_27.kind === 141) { + checkGrammarComputedPropertyName(name_27); + } + if (prop.kind === 254 && !inDestructuring && prop.objectAssignmentInitializer) { + return grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment); + } + if (prop.modifiers) { + for (var _b = 0, _c = prop.modifiers; _b < _c.length; _b++) { + var mod = _c[_b]; + if (mod.kind !== 119 || prop.kind !== 148) { + grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); + } + } + } + var currentKind = void 0; + if (prop.kind === 253 || prop.kind === 254) { + checkGrammarForInvalidQuestionMark(prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); + if (name_27.kind === 8) { + checkGrammarNumericLiteral(name_27); + } + currentKind = Property; + } + else if (prop.kind === 148) { + currentKind = Property; + } + else if (prop.kind === 150) { + currentKind = GetAccessor; + } + else if (prop.kind === 151) { + currentKind = SetAccessor; + } + else { + ts.Debug.fail("Unexpected syntax kind:" + prop.kind); + } + var effectiveName = ts.getPropertyNameForPropertyNameNode(name_27); + if (effectiveName === undefined) { + continue; + } + if (!seen[effectiveName]) { + seen[effectiveName] = currentKind; } else { - return ts.createVoidZero(); + var existingKind = seen[effectiveName]; + if (currentKind === Property && existingKind === Property) { + grammarErrorOnNode(name_27, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(name_27)); + } + else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { + if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { + seen[effectiveName] = currentKind | existingKind; + } + else { + return grammarErrorOnNode(name_27, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name); + } + } + else { + return grammarErrorOnNode(name_27, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name); + } } } } - function shouldEmitModuleDeclaration(node) { - return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); - } - function isES6ExportedDeclaration(node) { - return isExternalModuleExport(node) - && moduleKind === ts.ModuleKind.ES2015; - } - function recordEmittedDeclarationInScope(node) { - var name = node.symbol && node.symbol.name; - if (name) { - if (!currentScopeFirstDeclarationsOfName) { - currentScopeFirstDeclarationsOfName = ts.createMap(); + function checkGrammarJsxElement(node) { + var seen = ts.createMap(); + for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { + var attr = _a[_i]; + if (attr.kind === 247) { + continue; } - if (!(name in currentScopeFirstDeclarationsOfName)) { - currentScopeFirstDeclarationsOfName[name] = node; + var jsxAttr = attr; + var name_28 = jsxAttr.name; + if (!seen[name_28.text]) { + seen[name_28.text] = true; + } + else { + return grammarErrorOnNode(name_28, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); + } + var initializer = jsxAttr.initializer; + if (initializer && initializer.kind === 248 && !initializer.expression) { + return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); } } } - function isFirstEmittedDeclarationInScope(node) { - if (currentScopeFirstDeclarationsOfName) { - var name_28 = node.symbol && node.symbol.name; - if (name_28) { - return currentScopeFirstDeclarationsOfName[name_28] === node; + function checkGrammarForInOrForOfStatement(forInOrOfStatement) { + if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { + return true; + } + if (forInOrOfStatement.initializer.kind === 220) { + var variableList = forInOrOfStatement.initializer; + if (!checkGrammarVariableDeclarationList(variableList)) { + var declarations = variableList.declarations; + if (!declarations.length) { + return false; + } + if (declarations.length > 1) { + var diagnostic = forInOrOfStatement.kind === 208 + ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement + : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; + return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); + } + var firstDeclaration = declarations[0]; + if (firstDeclaration.initializer) { + var diagnostic = forInOrOfStatement.kind === 208 + ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer + : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; + return grammarErrorOnNode(firstDeclaration.name, diagnostic); + } + if (firstDeclaration.type) { + var diagnostic = forInOrOfStatement.kind === 208 + ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation + : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; + return grammarErrorOnNode(firstDeclaration, diagnostic); + } } } return false; } - function shouldEmitVarForModuleDeclaration(node) { - return isFirstEmittedDeclarationInScope(node); - } - function addVarForEnumOrModuleDeclaration(statements, node) { - var statement = ts.createVariableStatement(isES6ExportedDeclaration(node) - ? ts.visitNodes(node.modifiers, visitor, ts.isModifier) - : undefined, [ - ts.createVariableDeclaration(getDeclarationName(node, false, true)) - ]); - ts.setOriginalNode(statement, node); - if (node.kind === 225) { - ts.setSourceMapRange(statement.declarationList, node); - } - else { - ts.setSourceMapRange(statement, node); + function checkGrammarAccessor(accessor) { + var kind = accessor.kind; + if (languageVersion < 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); } - ts.setCommentRange(statement, node); - ts.setEmitFlags(statement, 32768); - statements.push(statement); - } - function visitModuleDeclaration(node) { - if (!shouldEmitModuleDeclaration(node)) { - return ts.createNotEmittedStatement(node); + else if (ts.isInAmbientContext(accessor)) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); } - ts.Debug.assert(ts.isIdentifier(node.name), "TypeScript module should have an Identifier name."); - enableSubstitutionForNamespaceExports(); - var statements = []; - var emitFlags = 64; - recordEmittedDeclarationInScope(node); - if (shouldEmitVarForModuleDeclaration(node)) { - addVarForEnumOrModuleDeclaration(statements, node); - if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { - emitFlags |= 16384; - } + else if (accessor.body === undefined && !(ts.getModifierFlags(accessor) & 128)) { + return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); } - var parameterName = getNamespaceParameterName(node); - var containerName = getNamespaceContainerName(node); - var exportName = getExportName(node); - var moduleArg = ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral())); - if (ts.hasModifier(node, 1) && !isES6ExportedDeclaration(node)) { - var localName = getLocalName(node); - moduleArg = ts.createAssignment(localName, moduleArg); + else if (accessor.typeParameters) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); } - var moduleStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformModuleBody(node, containerName)), undefined, [moduleArg]), node); - ts.setOriginalNode(moduleStatement, node); - ts.setEmitFlags(moduleStatement, emitFlags); - statements.push(moduleStatement); - return statements; - } - function transformModuleBody(node, namespaceLocalName) { - var savedCurrentNamespaceContainerName = currentNamespaceContainerName; - var savedCurrentNamespace = currentNamespace; - var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; - currentNamespaceContainerName = namespaceLocalName; - currentNamespace = node; - currentScopeFirstDeclarationsOfName = undefined; - var statements = []; - startLexicalEnvironment(); - var statementsLocation; - var blockLocation; - var body = node.body; - if (body.kind === 227) { - ts.addRange(statements, ts.visitNodes(body.statements, namespaceElementVisitor, ts.isStatement)); - statementsLocation = body.statements; - blockLocation = body; + else if (!doesAccessorHaveCorrectParameterCount(accessor)) { + return grammarErrorOnNode(accessor.name, kind === 150 ? + ts.Diagnostics.A_get_accessor_cannot_have_parameters : + ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); } - else { - var result = visitModuleDeclaration(body); - if (result) { - if (ts.isArray(result)) { - ts.addRange(statements, result); + else if (kind === 151) { + if (accessor.type) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + } + else { + var parameter = accessor.parameters[0]; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); } - else { - statements.push(result); + else if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + } + else if (parameter.initializer) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); } } - var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; - statementsLocation = ts.moveRangePos(moduleBlock.statements, -1); - } - ts.addRange(statements, endLexicalEnvironment()); - currentNamespaceContainerName = savedCurrentNamespaceContainerName; - currentNamespace = savedCurrentNamespace; - currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; - var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), blockLocation, true); - if (body.kind !== 227) { - ts.setEmitFlags(block, ts.getEmitFlags(block) | 49152); } - return block; } - function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { - if (moduleDeclaration.body.kind === 226) { - var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); - return recursiveInnerModule || moduleDeclaration.body; - } + function doesAccessorHaveCorrectParameterCount(accessor) { + return getAccessorThisParameter(accessor) || accessor.parameters.length === (accessor.kind === 150 ? 0 : 1); } - function visitImportDeclaration(node) { - if (!node.importClause) { - return node; + function getAccessorThisParameter(accessor) { + if (accessor.parameters.length === (accessor.kind === 150 ? 1 : 2)) { + return ts.getThisParameter(accessor); } - var importClause = ts.visitNode(node.importClause, visitImportClause, ts.isImportClause, true); - return importClause - ? ts.updateImportDeclaration(node, undefined, undefined, importClause, node.moduleSpecifier) - : undefined; } - function visitImportClause(node) { - var name = resolver.isReferencedAliasDeclaration(node) ? node.name : undefined; - var namedBindings = ts.visitNode(node.namedBindings, visitNamedImportBindings, ts.isNamedImportBindings, true); - return (name || namedBindings) ? ts.updateImportClause(node, name, namedBindings) : undefined; + function checkGrammarForNonSymbolComputedProperty(node, message) { + if (ts.isDynamicName(node)) { + return grammarErrorOnNode(node, message); + } } - function visitNamedImportBindings(node) { - if (node.kind === 233) { - return resolver.isReferencedAliasDeclaration(node) ? node : undefined; + function checkGrammarMethod(node) { + if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || + checkGrammarFunctionLikeDeclaration(node) || + checkGrammarForGenerator(node)) { + return true; } - else { - var elements = ts.visitNodes(node.elements, visitImportSpecifier, ts.isImportSpecifier); - return ts.some(elements) ? ts.updateNamedImports(node, elements) : undefined; + if (node.parent.kind === 172) { + if (checkGrammarForInvalidQuestionMark(node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional)) { + return true; + } + else if (node.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } } - } - function visitImportSpecifier(node) { - return resolver.isReferencedAliasDeclaration(node) ? node : undefined; - } - function visitExportAssignment(node) { - return resolver.isValueAliasDeclaration(node) - ? ts.visitEachChild(node, visitor, context) - : undefined; - } - function visitExportDeclaration(node) { - if (!node.exportClause) { - return resolver.moduleExportsSomeValue(node.moduleSpecifier) ? node : undefined; + if (ts.isClassLike(node.parent)) { + if (ts.isInAmbientContext(node)) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + } + else if (!node.body) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + } } - if (!resolver.isValueAliasDeclaration(node)) { - return undefined; + else if (node.parent.kind === 223) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); } - var exportClause = ts.visitNode(node.exportClause, visitNamedExports, ts.isNamedExports, true); - return exportClause - ? ts.updateExportDeclaration(node, undefined, undefined, exportClause, node.moduleSpecifier) - : undefined; - } - function visitNamedExports(node) { - var elements = ts.visitNodes(node.elements, visitExportSpecifier, ts.isExportSpecifier); - return ts.some(elements) ? ts.updateNamedExports(node, elements) : undefined; - } - function visitExportSpecifier(node) { - return resolver.isValueAliasDeclaration(node) ? node : undefined; - } - function shouldEmitImportEqualsDeclaration(node) { - return resolver.isReferencedAliasDeclaration(node) - || (!ts.isExternalModule(currentSourceFile) - && resolver.isTopLevelValueImportEqualsWithEntityName(node)); - } - function visitImportEqualsDeclaration(node) { - if (ts.isExternalModuleImportEqualsDeclaration(node)) { - return resolver.isReferencedAliasDeclaration(node) - ? ts.visitEachChild(node, visitor, context) - : undefined; + else if (node.parent.kind === 160) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); } - if (!shouldEmitImportEqualsDeclaration(node)) { - return undefined; + } + function checkGrammarBreakOrContinueStatement(node) { + var current = node; + while (current) { + if (ts.isFunctionLike(current)) { + return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); + } + switch (current.kind) { + case 215: + if (node.label && current.label.text === node.label.text) { + var isMisplacedContinueLabel = node.kind === 210 + && !ts.isIterationStatement(current.statement, true); + if (isMisplacedContinueLabel) { + return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); + } + return false; + } + break; + case 214: + if (node.kind === 211 && !node.label) { + return false; + } + break; + default: + if (ts.isIterationStatement(current, false) && !node.label) { + return false; + } + break; + } + current = current.parent; } - var moduleReference = ts.createExpressionFromEntityName(node.moduleReference); - ts.setEmitFlags(moduleReference, 49152 | 65536); - if (isNamedExternalModuleExport(node) || !isNamespaceExport(node)) { - return ts.setOriginalNode(ts.createVariableStatement(ts.visitNodes(node.modifiers, visitor, ts.isModifier), ts.createVariableDeclarationList([ - ts.createVariableDeclaration(node.name, undefined, moduleReference) - ]), node), node); + if (node.label) { + var message = node.kind === 211 + ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement + : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); } else { - return ts.setOriginalNode(createNamespaceExport(node.name, moduleReference, node), node); + var message = node.kind === 211 + ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement + : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); } } - function isNamespaceExport(node) { - return currentNamespace !== undefined && ts.hasModifier(node, 1); + function checkGrammarBindingElement(node) { + if (node.dotDotDotToken) { + var elements = node.parent.elements; + if (node !== ts.lastOrUndefined(elements)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + if (node.name.kind === 169 || node.name.kind === 168) { + return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (node.initializer) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + } } - function isExternalModuleExport(node) { - return currentNamespace === undefined && ts.hasModifier(node, 1); + function isStringOrNumberLiteralExpression(expr) { + return expr.kind === 9 || expr.kind === 8 || + expr.kind === 186 && expr.operator === 37 && + expr.operand.kind === 8; } - function isNamedExternalModuleExport(node) { - return isExternalModuleExport(node) - && !ts.hasModifier(node, 512); + function checkGrammarVariableDeclaration(node) { + if (node.parent.parent.kind !== 208 && node.parent.parent.kind !== 209) { + if (ts.isInAmbientContext(node)) { + if (node.initializer) { + if (ts.isConst(node) && !node.type) { + if (!isStringOrNumberLiteralExpression(node.initializer)) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal); + } + } + else { + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + if (node.initializer && !(ts.isConst(node) && isStringOrNumberLiteralExpression(node.initializer))) { + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + else if (!node.initializer) { + if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); + } + if (ts.isConst(node)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); + } + } + } + var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); + return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); } - function isDefaultExternalModuleExport(node) { - return isExternalModuleExport(node) - && ts.hasModifier(node, 512); + function checkGrammarNameInLetOrConstDeclarations(name) { + if (name.kind === 70) { + if (name.originalKeywordKind === 109) { + return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { + var element = elements_2[_i]; + if (!ts.isOmittedExpression(element)) { + checkGrammarNameInLetOrConstDeclarations(element.name); + } + } + } } - function expressionToStatement(expression) { - return ts.createStatement(expression, undefined); + function checkGrammarVariableDeclarationList(declarationList) { + var declarations = declarationList.declarations; + if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + return true; + } + if (!declarationList.declarations.length) { + return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + } } - function addExportMemberAssignment(statements, node) { - var expression = ts.createAssignment(getExportName(node), getLocalName(node, true)); - ts.setSourceMapRange(expression, ts.createRange(node.name.pos, node.end)); - var statement = ts.createStatement(expression); - ts.setSourceMapRange(statement, ts.createRange(-1, node.end)); - statements.push(statement); + function allowLetAndConstDeclarations(parent) { + switch (parent.kind) { + case 204: + case 205: + case 206: + case 213: + case 207: + case 208: + case 209: + return false; + case 215: + return allowLetAndConstDeclarations(parent.parent); + } + return true; } - function createNamespaceExport(exportName, exportValue, location) { - return ts.createStatement(ts.createAssignment(getNamespaceMemberName(exportName, false, true), exportValue), location); + function checkGrammarForDisallowedLetOrConstStatement(node) { + if (!allowLetAndConstDeclarations(node.parent)) { + if (ts.isLet(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + } + else if (ts.isConst(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + } + } } - function createExternalModuleExport(exportName) { - return ts.createExportDeclaration(undefined, undefined, ts.createNamedExports([ - ts.createExportSpecifier(exportName) - ])); + function hasParseDiagnostics(sourceFile) { + return sourceFile.parseDiagnostics.length > 0; } - function getNamespaceMemberName(name, allowComments, allowSourceMaps) { - var qualifiedName = ts.createPropertyAccess(currentNamespaceContainerName, ts.getSynthesizedClone(name), name); - var emitFlags; - if (!allowComments) { - emitFlags |= 49152; - } - if (!allowSourceMaps) { - emitFlags |= 1536; - } - if (emitFlags) { - ts.setEmitFlags(qualifiedName, emitFlags); + function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span_4 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span_4.start, span_4.length, message, arg0, arg1, arg2)); + return true; } - return qualifiedName; - } - function getNamespaceMemberNameWithSourceMapsAndWithoutComments(name) { - return getNamespaceMemberName(name, false, true); } - function getNamespaceParameterName(node) { - var name = ts.getGeneratedNameForNode(node); - ts.setSourceMapRange(name, node.name); - return name; + function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); + return true; + } } - function getNamespaceContainerName(node) { - return ts.getGeneratedNameForNode(node); + function grammarErrorOnNode(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); + return true; + } } - function getLocalName(node, noSourceMaps, allowComments) { - return getDeclarationName(node, allowComments, !noSourceMaps, 262144); + function checkGrammarConstructorTypeParameters(node) { + if (node.typeParameters) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + } } - function getExportName(node, noSourceMaps, allowComments) { - if (isNamespaceExport(node)) { - return getNamespaceMemberName(getDeclarationName(node), allowComments, !noSourceMaps); + function checkGrammarConstructorTypeAnnotation(node) { + if (node.type) { + return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); } - return getDeclarationName(node, allowComments, !noSourceMaps, 131072); } - function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { - if (node.name) { - var name_29 = ts.getMutableClone(node.name); - emitFlags |= ts.getEmitFlags(node.name); - if (!allowSourceMaps) { - emitFlags |= 1536; + function checkGrammarProperty(node) { + if (ts.isClassLike(node.parent)) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { + return true; } - if (!allowComments) { - emitFlags |= 49152; + } + else if (node.parent.kind === 223) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { + return true; } - if (emitFlags) { - ts.setEmitFlags(name_29, emitFlags); + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + } + } + else if (node.parent.kind === 160) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); } - return name_29; - } - else { - return ts.getGeneratedNameForNode(node); } - } - function getClassPrototype(node) { - return ts.createPropertyAccess(getDeclarationName(node), "prototype"); - } - function getClassMemberPrefix(node, member) { - return ts.hasModifier(member, 32) - ? getDeclarationName(node) - : getClassPrototype(node); - } - function enableSubstitutionForNonQualifiedEnumMembers() { - if ((enabledSubstitutions & 8) === 0) { - enabledSubstitutions |= 8; - context.enableSubstitution(70); + if (ts.isInAmbientContext(node) && node.initializer) { + return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); } } - function enableSubstitutionForClassAliases() { - if ((enabledSubstitutions & 1) === 0) { - enabledSubstitutions |= 1; - context.enableSubstitution(70); - classAliases = ts.createMap(); + function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { + if (node.kind === 223 || + node.kind === 224 || + node.kind === 231 || + node.kind === 230 || + node.kind === 237 || + node.kind === 236 || + node.kind === 229 || + ts.getModifierFlags(node) & (2 | 1 | 512)) { + return false; } + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); } - function enableSubstitutionForNamespaceExports() { - if ((enabledSubstitutions & 2) === 0) { - enabledSubstitutions |= 2; - context.enableSubstitution(70); - context.enableSubstitution(254); - context.enableEmitNotification(226); + function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isDeclaration(decl) || decl.kind === 201) { + if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { + return true; + } + } } } - function isTransformedModuleDeclaration(node) { - return ts.getOriginalNode(node).kind === 226; - } - function isTransformedEnumDeclaration(node) { - return ts.getOriginalNode(node).kind === 225; + function checkGrammarSourceFile(node) { + return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); } - function onEmitNode(emitContext, node, emitCallback) { - var savedApplicableSubstitutions = applicableSubstitutions; - if (enabledSubstitutions & 2 && isTransformedModuleDeclaration(node)) { - applicableSubstitutions |= 2; - } - if (enabledSubstitutions & 8 && isTransformedEnumDeclaration(node)) { - applicableSubstitutions |= 8; + function checkGrammarStatementInAmbientContext(node) { + if (ts.isInAmbientContext(node)) { + if (isAccessor(node.parent.kind)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = true; + } + var links = getNodeLinks(node); + if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + if (node.parent.kind === 200 || node.parent.kind === 227 || node.parent.kind === 256) { + var links_1 = getNodeLinks(node.parent); + if (!links_1.hasReportedStatementInAmbientContext) { + return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + } + } + else { + } } - previousOnEmitNode(emitContext, node, emitCallback); - applicableSubstitutions = savedApplicableSubstitutions; } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function checkGrammarNumericLiteral(node) { + if (node.isOctalLiteral && languageVersion >= 1) { + return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); } - else if (ts.isShorthandPropertyAssignment(node)) { - return substituteShorthandPropertyAssignment(node); + } + function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span_5 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span_5), 0, message, arg0, arg1, arg2)); + return true; } - return node; } - function substituteShorthandPropertyAssignment(node) { - if (enabledSubstitutions & 2) { - var name_30 = node.name; - var exportedName = trySubstituteNamespaceExportedName(name_30); - if (exportedName) { - if (node.objectAssignmentInitializer) { - var initializer = ts.createAssignment(exportedName, node.objectAssignmentInitializer); - return ts.createPropertyAssignment(name_30, initializer, node); - } - return ts.createPropertyAssignment(name_30, exportedName, node); + function getAmbientModules() { + var result = []; + for (var sym in globals) { + if (ambientModuleSymbolRegex.test(sym)) { + result.push(globals[sym]); } } - return node; + return result; } - function substituteExpression(node) { - switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 173: - return substitutePropertyAccessExpression(node); - case 174: - return substituteElementAccessExpression(node); - } - return node; + } + ts.createTypeChecker = createTypeChecker; +})(ts || (ts = {})); +var ts; +(function (ts) { + ; + var nodeEdgeTraversalMap = ts.createMap((_a = {}, + _a[140] = [ + { name: "left", test: ts.isEntityName }, + { name: "right", test: ts.isIdentifier } + ], + _a[144] = [ + { name: "expression", test: ts.isLeftHandSideExpression } + ], + _a[178] = [ + { name: "type", test: ts.isTypeNode }, + { name: "expression", test: ts.isUnaryExpression } + ], + _a[196] = [ + { name: "expression", test: ts.isExpression }, + { name: "type", test: ts.isTypeNode } + ], + _a[197] = [ + { name: "expression", test: ts.isLeftHandSideExpression } + ], + _a[225] = [ + { name: "decorators", test: ts.isDecorator }, + { name: "modifiers", test: ts.isModifier }, + { name: "name", test: ts.isIdentifier }, + { name: "members", test: ts.isEnumMember } + ], + _a[226] = [ + { name: "decorators", test: ts.isDecorator }, + { name: "modifiers", test: ts.isModifier }, + { name: "name", test: ts.isModuleName }, + { name: "body", test: ts.isModuleBody } + ], + _a[227] = [ + { name: "statements", test: ts.isStatement } + ], + _a[230] = [ + { name: "decorators", test: ts.isDecorator }, + { name: "modifiers", test: ts.isModifier }, + { name: "name", test: ts.isIdentifier }, + { name: "moduleReference", test: ts.isModuleReference } + ], + _a[241] = [ + { name: "expression", test: ts.isExpression, optional: true } + ], + _a[255] = [ + { name: "name", test: ts.isPropertyName }, + { name: "initializer", test: ts.isExpression, optional: true, parenthesize: ts.parenthesizeExpressionForList } + ], + _a)); + function reduceNode(node, f, initial) { + return node ? f(initial, node) : initial; + } + function reduceEachChild(node, f, initial) { + if (node === undefined) { + return initial; } - function substituteExpressionIdentifier(node) { - return trySubstituteClassAlias(node) - || trySubstituteNamespaceExportedName(node) - || node; + var kind = node.kind; + if ((kind > 0 && kind <= 139)) { + return initial; } - function trySubstituteClassAlias(node) { - if (enabledSubstitutions & 1) { - if (resolver.getNodeCheckFlags(node) & 16777216) { - var declaration = resolver.getReferencedValueDeclaration(node); - if (declaration) { - var classAlias = classAliases[declaration.id]; - if (classAlias) { - var clone_4 = ts.getSynthesizedClone(classAlias); - ts.setSourceMapRange(clone_4, node); - ts.setCommentRange(clone_4, node); - return clone_4; + if ((kind >= 155 && kind <= 167)) { + return initial; + } + var result = initial; + switch (node.kind) { + case 199: + case 202: + case 194: + case 218: + case 287: + break; + case 141: + result = reduceNode(node.expression, f, result); + break; + case 143: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 144: + result = reduceNode(node.expression, f, result); + break; + case 146: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 148: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 149: + result = ts.reduceLeft(node.modifiers, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.body, f, result); + break; + case 150: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 151: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.body, f, result); + break; + case 168: + case 169: + result = ts.reduceLeft(node.elements, f, result); + break; + case 170: + result = reduceNode(node.propertyName, f, result); + result = reduceNode(node.name, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 171: + result = ts.reduceLeft(node.elements, f, result); + break; + case 172: + result = ts.reduceLeft(node.properties, f, result); + break; + case 173: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.name, f, result); + break; + case 174: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.argumentExpression, f, result); + break; + case 175: + result = reduceNode(node.expression, f, result); + result = ts.reduceLeft(node.typeArguments, f, result); + result = ts.reduceLeft(node.arguments, f, result); + break; + case 176: + result = reduceNode(node.expression, f, result); + result = ts.reduceLeft(node.typeArguments, f, result); + result = ts.reduceLeft(node.arguments, f, result); + break; + case 177: + result = reduceNode(node.tag, f, result); + result = reduceNode(node.template, f, result); + break; + case 180: + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 181: + result = ts.reduceLeft(node.modifiers, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 179: + case 182: + case 183: + case 184: + case 185: + case 191: + case 192: + case 197: + result = reduceNode(node.expression, f, result); + break; + case 186: + case 187: + result = reduceNode(node.operand, f, result); + break; + case 188: + result = reduceNode(node.left, f, result); + result = reduceNode(node.right, f, result); + break; + case 189: + result = reduceNode(node.condition, f, result); + result = reduceNode(node.whenTrue, f, result); + result = reduceNode(node.whenFalse, f, result); + break; + case 190: + result = reduceNode(node.head, f, result); + result = ts.reduceLeft(node.templateSpans, f, result); + break; + case 193: + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.heritageClauses, f, result); + result = ts.reduceLeft(node.members, f, result); + break; + case 195: + result = reduceNode(node.expression, f, result); + result = ts.reduceLeft(node.typeArguments, f, result); + break; + case 198: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.literal, f, result); + break; + case 200: + result = ts.reduceLeft(node.statements, f, result); + break; + case 201: + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.declarationList, f, result); + break; + case 203: + result = reduceNode(node.expression, f, result); + break; + case 204: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.thenStatement, f, result); + result = reduceNode(node.elseStatement, f, result); + break; + case 205: + result = reduceNode(node.statement, f, result); + result = reduceNode(node.expression, f, result); + break; + case 206: + case 213: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.statement, f, result); + break; + case 207: + result = reduceNode(node.initializer, f, result); + result = reduceNode(node.condition, f, result); + result = reduceNode(node.incrementor, f, result); + result = reduceNode(node.statement, f, result); + break; + case 208: + case 209: + result = reduceNode(node.initializer, f, result); + result = reduceNode(node.expression, f, result); + result = reduceNode(node.statement, f, result); + break; + case 212: + case 216: + result = reduceNode(node.expression, f, result); + break; + case 214: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.caseBlock, f, result); + break; + case 215: + result = reduceNode(node.label, f, result); + result = reduceNode(node.statement, f, result); + break; + case 217: + result = reduceNode(node.tryBlock, f, result); + result = reduceNode(node.catchClause, f, result); + result = reduceNode(node.finallyBlock, f, result); + break; + case 219: + result = reduceNode(node.name, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 220: + result = ts.reduceLeft(node.declarations, f, result); + break; + case 221: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 222: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.heritageClauses, f, result); + result = ts.reduceLeft(node.members, f, result); + break; + case 228: + result = ts.reduceLeft(node.clauses, f, result); + break; + case 231: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.importClause, f, result); + result = reduceNode(node.moduleSpecifier, f, result); + break; + case 232: + result = reduceNode(node.name, f, result); + result = reduceNode(node.namedBindings, f, result); + break; + case 233: + result = reduceNode(node.name, f, result); + break; + case 234: + case 238: + result = ts.reduceLeft(node.elements, f, result); + break; + case 235: + case 239: + result = reduceNode(node.propertyName, f, result); + result = reduceNode(node.name, f, result); + break; + case 236: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.expression, f, result); + break; + case 237: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.exportClause, f, result); + result = reduceNode(node.moduleSpecifier, f, result); + break; + case 242: + result = reduceNode(node.openingElement, f, result); + result = ts.reduceLeft(node.children, f, result); + result = reduceNode(node.closingElement, f, result); + break; + case 243: + case 244: + result = reduceNode(node.tagName, f, result); + result = ts.reduceLeft(node.attributes, f, result); + break; + case 245: + result = reduceNode(node.tagName, f, result); + break; + case 246: + result = reduceNode(node.name, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 247: + result = reduceNode(node.expression, f, result); + break; + case 248: + result = reduceNode(node.expression, f, result); + break; + case 249: + result = reduceNode(node.expression, f, result); + case 250: + result = ts.reduceLeft(node.statements, f, result); + break; + case 251: + result = ts.reduceLeft(node.types, f, result); + break; + case 252: + result = reduceNode(node.variableDeclaration, f, result); + result = reduceNode(node.block, f, result); + break; + case 253: + result = reduceNode(node.name, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 254: + result = reduceNode(node.name, f, result); + result = reduceNode(node.objectAssignmentInitializer, f, result); + break; + case 256: + result = ts.reduceLeft(node.statements, f, result); + break; + case 288: + result = reduceNode(node.expression, f, result); + break; + default: + var edgeTraversalPath = nodeEdgeTraversalMap[kind]; + if (edgeTraversalPath) { + for (var _i = 0, edgeTraversalPath_1 = edgeTraversalPath; _i < edgeTraversalPath_1.length; _i++) { + var edge = edgeTraversalPath_1[_i]; + var value = node[edge.name]; + if (value !== undefined) { + result = ts.isArray(value) + ? ts.reduceLeft(value, f, result) + : f(result, value); } } } - } + break; + } + return result; + } + ts.reduceEachChild = reduceEachChild; + function visitNode(node, visitor, test, optional, lift, parenthesize, parentNode) { + if (node === undefined) { return undefined; } - function trySubstituteNamespaceExportedName(node) { - if (enabledSubstitutions & applicableSubstitutions && (ts.getEmitFlags(node) & 262144) === 0) { - var container = resolver.getReferencedExportContainer(node, false); - if (container) { - var substitute = (applicableSubstitutions & 2 && container.kind === 226) || - (applicableSubstitutions & 8 && container.kind === 225); - if (substitute) { - return ts.createPropertyAccess(ts.getGeneratedNameForNode(container), node, node); - } - } + var visited = visitor(node); + if (visited === node) { + return node; + } + var visitedNode; + if (visited === undefined) { + if (!optional) { + Debug.failNotOptional(); } return undefined; } - function substitutePropertyAccessExpression(node) { - return substituteConstantValue(node); + else if (ts.isArray(visited)) { + visitedNode = (lift || extractSingleNode)(visited); } - function substituteElementAccessExpression(node) { - return substituteConstantValue(node); + else { + visitedNode = visited; } - function substituteConstantValue(node) { - var constantValue = tryGetConstEnumValue(node); - if (constantValue !== undefined) { - var substitute = ts.createLiteral(constantValue); - ts.setSourceMapRange(substitute, node); - ts.setCommentRange(substitute, node); - if (!compilerOptions.removeComments) { - var propertyName = ts.isPropertyAccessExpression(node) - ? ts.declarationNameToString(node.name) - : ts.getTextOfNode(node.argumentExpression); - substitute.trailingComment = " " + propertyName + " "; + if (parenthesize !== undefined) { + visitedNode = parenthesize(visitedNode, parentNode); + } + Debug.assertNode(visitedNode, test); + aggregateTransformFlags(visitedNode); + return visitedNode; + } + ts.visitNode = visitNode; + function visitNodes(nodes, visitor, test, start, count, parenthesize, parentNode) { + if (nodes === undefined) { + return undefined; + } + var updated; + var length = nodes.length; + if (start === undefined || start < 0) { + start = 0; + } + if (count === undefined || count > length - start) { + count = length - start; + } + if (start > 0 || count < length) { + updated = ts.createNodeArray([], undefined, nodes.hasTrailingComma && start + count === length); + } + for (var i = 0; i < count; i++) { + var node = nodes[i + start]; + var visited = node !== undefined ? visitor(node) : undefined; + if (updated !== undefined || visited === undefined || visited !== node) { + if (updated === undefined) { + updated = ts.createNodeArray(nodes.slice(0, i), nodes, nodes.hasTrailingComma); + } + if (visited) { + if (ts.isArray(visited)) { + for (var _i = 0, visited_1 = visited; _i < visited_1.length; _i++) { + var visitedNode = visited_1[_i]; + visitedNode = parenthesize + ? parenthesize(visitedNode, parentNode) + : visitedNode; + Debug.assertNode(visitedNode, test); + aggregateTransformFlags(visitedNode); + updated.push(visitedNode); + } + } + else { + var visitedNode = parenthesize + ? parenthesize(visited, parentNode) + : visited; + Debug.assertNode(visitedNode, test); + aggregateTransformFlags(visitedNode); + updated.push(visitedNode); + } } - ts.setConstantValue(node, constantValue); - return substitute; } + } + return updated || nodes; + } + ts.visitNodes = visitNodes; + function visitEachChild(node, visitor, context) { + if (node === undefined) { + return undefined; + } + var kind = node.kind; + if ((kind > 0 && kind <= 139)) { return node; } - function tryGetConstEnumValue(node) { - if (compilerOptions.isolatedModules) { - return undefined; - } - return ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node) - ? resolver.getConstantValue(node) - : undefined; + if ((kind >= 155 && kind <= 167)) { + return node; } - } - ts.transformTypeScript = transformTypeScript; -})(ts || (ts = {})); -var ts; -(function (ts) { - var entities = createEntitiesMap(); - function transformJsx(context) { - var compilerOptions = context.getCompilerOptions(); - var currentSourceFile; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { + switch (node.kind) { + case 199: + case 202: + case 194: + case 218: return node; - } - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - return node; + case 141: + return ts.updateComputedPropertyName(node, visitNode(node.expression, visitor, ts.isExpression)); + case 143: + return ts.updateParameterDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 146: + return ts.updateProperty(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 148: + return ts.updateMethod(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 149: + return ts.updateConstructor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 150: + return ts.updateGetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 151: + return ts.updateSetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 168: + return ts.updateObjectBindingPattern(node, visitNodes(node.elements, visitor, ts.isBindingElement)); + case 169: + return ts.updateArrayBindingPattern(node, visitNodes(node.elements, visitor, ts.isArrayBindingElement)); + case 170: + return ts.updateBindingElement(node, visitNode(node.propertyName, visitor, ts.isPropertyName, true), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 171: + return ts.updateArrayLiteral(node, visitNodes(node.elements, visitor, ts.isExpression)); + case 172: + return ts.updateObjectLiteral(node, visitNodes(node.properties, visitor, ts.isObjectLiteralElementLike)); + case 173: + return ts.updatePropertyAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.name, visitor, ts.isIdentifier)); + case 174: + return ts.updateElementAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.argumentExpression, visitor, ts.isExpression)); + case 175: + return ts.updateCall(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); + case 176: + return ts.updateNew(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); + case 177: + return ts.updateTaggedTemplate(node, visitNode(node.tag, visitor, ts.isExpression), visitNode(node.template, visitor, ts.isTemplateLiteral)); + case 179: + return ts.updateParen(node, visitNode(node.expression, visitor, ts.isExpression)); + case 180: + return ts.updateFunctionExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 181: + return ts.updateArrowFunction(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isConciseBody, true), context.endLexicalEnvironment())); + case 182: + return ts.updateDelete(node, visitNode(node.expression, visitor, ts.isExpression)); + case 183: + return ts.updateTypeOf(node, visitNode(node.expression, visitor, ts.isExpression)); + case 184: + return ts.updateVoid(node, visitNode(node.expression, visitor, ts.isExpression)); + case 185: + return ts.updateAwait(node, visitNode(node.expression, visitor, ts.isExpression)); + case 188: + return ts.updateBinary(node, visitNode(node.left, visitor, ts.isExpression), visitNode(node.right, visitor, ts.isExpression)); + case 186: + return ts.updatePrefix(node, visitNode(node.operand, visitor, ts.isExpression)); + case 187: + return ts.updatePostfix(node, visitNode(node.operand, visitor, ts.isExpression)); + case 189: + return ts.updateConditional(node, visitNode(node.condition, visitor, ts.isExpression), visitNode(node.whenTrue, visitor, ts.isExpression), visitNode(node.whenFalse, visitor, ts.isExpression)); + case 190: + return ts.updateTemplateExpression(node, visitNode(node.head, visitor, ts.isTemplateHead), visitNodes(node.templateSpans, visitor, ts.isTemplateSpan)); + case 191: + return ts.updateYield(node, visitNode(node.expression, visitor, ts.isExpression)); + case 192: + return ts.updateSpread(node, visitNode(node.expression, visitor, ts.isExpression)); + case 193: + return ts.updateClassExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); + case 195: + return ts.updateExpressionWithTypeArguments(node, visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNode(node.expression, visitor, ts.isExpression)); + case 198: + return ts.updateTemplateSpan(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.literal, visitor, ts.isTemplateMiddleOrTemplateTail)); + case 200: + return ts.updateBlock(node, visitNodes(node.statements, visitor, ts.isStatement)); + case 201: + return ts.updateVariableStatement(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.declarationList, visitor, ts.isVariableDeclarationList)); + case 203: + return ts.updateStatement(node, visitNode(node.expression, visitor, ts.isExpression)); + case 204: + return ts.updateIf(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.thenStatement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.elseStatement, visitor, ts.isStatement, true, liftToBlock)); + case 205: + return ts.updateDo(node, visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.expression, visitor, ts.isExpression)); + case 206: + return ts.updateWhile(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 207: + return ts.updateFor(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.condition, visitor, ts.isExpression), visitNode(node.incrementor, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 208: + return ts.updateForIn(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 209: + return ts.updateForOf(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 210: + return ts.updateContinue(node, visitNode(node.label, visitor, ts.isIdentifier, true)); + case 211: + return ts.updateBreak(node, visitNode(node.label, visitor, ts.isIdentifier, true)); + case 212: + return ts.updateReturn(node, visitNode(node.expression, visitor, ts.isExpression, true)); + case 213: + return ts.updateWith(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 214: + return ts.updateSwitch(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.caseBlock, visitor, ts.isCaseBlock)); + case 215: + return ts.updateLabel(node, visitNode(node.label, visitor, ts.isIdentifier), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 216: + return ts.updateThrow(node, visitNode(node.expression, visitor, ts.isExpression)); + case 217: + return ts.updateTry(node, visitNode(node.tryBlock, visitor, ts.isBlock), visitNode(node.catchClause, visitor, ts.isCatchClause, true), visitNode(node.finallyBlock, visitor, ts.isBlock, true)); + case 219: + return ts.updateVariableDeclaration(node, visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 220: + return ts.updateVariableDeclarationList(node, visitNodes(node.declarations, visitor, ts.isVariableDeclaration)); + case 221: + return ts.updateFunctionDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 222: + return ts.updateClassDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); + case 228: + return ts.updateCaseBlock(node, visitNodes(node.clauses, visitor, ts.isCaseOrDefaultClause)); + case 231: + return ts.updateImportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.importClause, visitor, ts.isImportClause, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression)); + case 232: + return ts.updateImportClause(node, visitNode(node.name, visitor, ts.isIdentifier, true), visitNode(node.namedBindings, visitor, ts.isNamedImportBindings, true)); + case 233: + return ts.updateNamespaceImport(node, visitNode(node.name, visitor, ts.isIdentifier)); + case 234: + return ts.updateNamedImports(node, visitNodes(node.elements, visitor, ts.isImportSpecifier)); + case 235: + return ts.updateImportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); + case 236: + return ts.updateExportAssignment(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.expression, visitor, ts.isExpression)); + case 237: + return ts.updateExportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.exportClause, visitor, ts.isNamedExports, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression, true)); + case 238: + return ts.updateNamedExports(node, visitNodes(node.elements, visitor, ts.isExportSpecifier)); + case 239: + return ts.updateExportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); + case 242: + return ts.updateJsxElement(node, visitNode(node.openingElement, visitor, ts.isJsxOpeningElement), visitNodes(node.children, visitor, ts.isJsxChild), visitNode(node.closingElement, visitor, ts.isJsxClosingElement)); + case 243: + return ts.updateJsxSelfClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); + case 244: + return ts.updateJsxOpeningElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); + case 245: + return ts.updateJsxClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression)); + case 246: + return ts.updateJsxAttribute(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.initializer, visitor, ts.isStringLiteralOrJsxExpression)); + case 247: + return ts.updateJsxSpreadAttribute(node, visitNode(node.expression, visitor, ts.isExpression)); + case 248: + return ts.updateJsxExpression(node, visitNode(node.expression, visitor, ts.isExpression)); + case 249: + return ts.updateCaseClause(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.statements, visitor, ts.isStatement)); + case 250: + return ts.updateDefaultClause(node, visitNodes(node.statements, visitor, ts.isStatement)); + case 251: + return ts.updateHeritageClause(node, visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments)); + case 252: + return ts.updateCatchClause(node, visitNode(node.variableDeclaration, visitor, ts.isVariableDeclaration), visitNode(node.block, visitor, ts.isBlock)); + case 253: + return ts.updatePropertyAssignment(node, visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.initializer, visitor, ts.isExpression)); + case 254: + return ts.updateShorthandPropertyAssignment(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.objectAssignmentInitializer, visitor, ts.isExpression)); + case 256: + context.startLexicalEnvironment(); + return ts.updateSourceFileNode(node, ts.createNodeArray(ts.concatenate(visitNodes(node.statements, visitor, ts.isStatement), context.endLexicalEnvironment()), node.statements)); + case 288: + return ts.updatePartiallyEmittedExpression(node, visitNode(node.expression, visitor, ts.isExpression)); + default: + var updated = void 0; + var edgeTraversalPath = nodeEdgeTraversalMap[kind]; + if (edgeTraversalPath) { + for (var _i = 0, edgeTraversalPath_2 = edgeTraversalPath; _i < edgeTraversalPath_2.length; _i++) { + var edge = edgeTraversalPath_2[_i]; + var value = node[edge.name]; + if (value !== undefined) { + var visited = ts.isArray(value) + ? visitNodes(value, visitor, edge.test, 0, value.length, edge.parenthesize, node) + : visitNode(value, visitor, edge.test, edge.optional, edge.lift, edge.parenthesize, node); + if (updated !== undefined || visited !== value) { + if (updated === undefined) { + updated = ts.getMutableClone(node); + } + if (visited !== value) { + updated[edge.name] = visited; + } + } + } + } + } + return updated ? ts.updateNode(updated, node) : node; } - function visitor(node) { - if (node.transformFlags & 4) { - return visitorWorker(node); - } - else if (node.transformFlags & 8) { - return ts.visitEachChild(node, visitor, context); + } + ts.visitEachChild = visitEachChild; + function mergeFunctionBodyLexicalEnvironment(body, declarations) { + if (body && declarations !== undefined && declarations.length > 0) { + if (ts.isBlock(body)) { + return ts.updateBlock(body, ts.createNodeArray(ts.concatenate(body.statements, declarations), body.statements)); } else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 242: - return visitJsxElement(node, false); - case 243: - return visitJsxSelfClosingElement(node, false); - case 248: - return visitJsxExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; + return ts.createBlock(ts.createNodeArray([ts.createReturn(body, body)].concat(declarations), body), body, true); } } - function transformJsxChildToExpression(node) { - switch (node.kind) { - case 10: - return visitJsxText(node); - case 248: - return visitJsxExpression(node); - case 242: - return visitJsxElement(node, true); - case 243: - return visitJsxSelfClosingElement(node, true); - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; - } + return body; + } + ts.mergeFunctionBodyLexicalEnvironment = mergeFunctionBodyLexicalEnvironment; + function liftToBlock(nodes) { + Debug.assert(ts.every(nodes, ts.isStatement), "Cannot lift nodes to a Block."); + return ts.singleOrUndefined(nodes) || ts.createBlock(nodes); + } + ts.liftToBlock = liftToBlock; + function extractSingleNode(nodes) { + Debug.assert(nodes.length <= 1, "Too many nodes written to output."); + return ts.singleOrUndefined(nodes); + } + function aggregateTransformFlags(node) { + aggregateTransformFlagsForNode(node); + return node; + } + ts.aggregateTransformFlags = aggregateTransformFlags; + function aggregateTransformFlagsForNode(node) { + if (node === undefined) { + return 0; } - function visitJsxElement(node, isChild) { - return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, node); + else if (node.transformFlags & 536870912) { + return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } - function visitJsxSelfClosingElement(node, isChild) { - return visitJsxOpeningLikeElement(node, undefined, isChild, node); + else { + var subtreeFlags = aggregateTransformFlagsForSubtree(node); + return ts.computeTransformFlagsForNode(node, subtreeFlags); } - function visitJsxOpeningLikeElement(node, children, isChild, location) { - var tagName = getTagName(node); - var objectProperties; - var attrs = node.attributes; - if (attrs.length === 0) { - objectProperties = ts.createNull(); - } - else { - var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread - ? ts.map(attrs, transformJsxSpreadAttributeToExpression) - : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); - if (ts.isJsxSpreadAttribute(attrs[0])) { - segments.unshift(ts.createObjectLiteral()); - } - objectProperties = ts.singleOrUndefined(segments) - || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); - } - var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); - if (isChild) { - ts.startOnNewLine(element); - } - return element; + } + function aggregateTransformFlagsForSubtree(node) { + if (ts.hasModifier(node, 2) || ts.isTypeNode(node)) { + return 0; } - function transformJsxSpreadAttributeToExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + return reduceEachChild(node, aggregateTransformFlagsForChildNode, 0); + } + function aggregateTransformFlagsForChildNode(transformFlags, child) { + return transformFlags | aggregateTransformFlagsForNode(child); + } + function getTransformFlagsSubtreeExclusions(kind) { + if (kind >= 155 && kind <= 167) { + return -3; } - function transformJsxAttributeToObjectLiteralElement(node) { - var name = getAttributeName(node); - var expression = transformJsxAttributeInitializer(node.initializer); - return ts.createPropertyAssignment(name, expression); + switch (kind) { + case 175: + case 176: + case 171: + return 537922901; + case 226: + return 574729557; + case 143: + return 545262933; + case 181: + return 592227669; + case 180: + case 221: + return 592293205; + case 220: + return 545262933; + case 222: + case 193: + return 539749717; + case 149: + return 591760725; + case 148: + case 150: + case 151: + return 591760725; + case 118: + case 131: + case 128: + case 133: + case 121: + case 134: + case 104: + case 142: + case 145: + case 147: + case 152: + case 153: + case 154: + case 223: + case 224: + return -3; + case 172: + return 539110741; + default: + return 536874325; } - function transformJsxAttributeInitializer(node) { - if (node === undefined) { - return ts.createLiteral(true); - } - else if (node.kind === 9) { - var decoded = tryDecodeEntities(node.text); - return decoded ? ts.createLiteral(decoded, node) : node; + } + var Debug; + (function (Debug) { + Debug.failNotOptional = Debug.shouldAssert(1) + ? function (message) { return Debug.assert(false, message || "Node not optional."); } + : ts.noop; + Debug.failBadSyntaxKind = Debug.shouldAssert(1) + ? function (node, message) { return Debug.assert(false, message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " was unexpected."; }); } + : ts.noop; + Debug.assertNode = Debug.shouldAssert(1) + ? function (node, test, message) { return Debug.assert(test === undefined || test(node), message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }); } + : ts.noop; + function getFunctionName(func) { + if (typeof func !== "function") { + return ""; } - else if (node.kind === 248) { - return visitJsxExpression(node); + else if (func.hasOwnProperty("name")) { + return func.name; } else { - ts.Debug.failBadSyntaxKind(node); + var text = Function.prototype.toString.call(func); + var match = /^function\s+([\w\$]+)\s*\(/.exec(text); + return match ? match[1] : ""; } } - function visitJsxText(node) { - var text = ts.getTextOfNode(node, true); - var parts; - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - if (!parts) { - parts = []; - } - parts.push(ts.createLiteral(decodeEntities(part))); - } - firstNonWhitespace = -1; - } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } - } - } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - if (!parts) { - parts = []; - } - parts.push(ts.createLiteral(decodeEntities(part))); + })(Debug = ts.Debug || (ts.Debug = {})); + var _a; +})(ts || (ts = {})); +var ts; +(function (ts) { + function flattenDestructuringAssignment(context, node, needsValue, recordTempVariable, visitor) { + if (ts.isEmptyObjectLiteralOrArrayLiteral(node.left)) { + var right = node.right; + if (ts.isDestructuringAssignment(right)) { + return flattenDestructuringAssignment(context, right, needsValue, recordTempVariable, visitor); } - if (parts) { - return ts.reduceLeft(parts, aggregateJsxTextParts); + else { + return node.right; } - return undefined; - } - function aggregateJsxTextParts(left, right) { - return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); } - function decodeEntities(text) { - return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { - if (decimal) { - return String.fromCharCode(parseInt(decimal, 10)); - } - else if (hex) { - return String.fromCharCode(parseInt(hex, 16)); - } - else { - var ch = entities[word]; - return ch ? String.fromCharCode(ch) : match; - } - }); + var location = node; + var value = node.right; + var expressions = []; + if (needsValue) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment, visitor); } - function tryDecodeEntities(text) { - var decoded = decodeEntities(text); - return decoded === text ? undefined : decoded; + else if (ts.nodeIsSynthesized(node)) { + location = value; } - function getTagName(node) { - if (node.kind === 242) { - return getTagName(node.openingElement); - } - else { - var name_31 = node.tagName; - if (ts.isIdentifier(name_31) && ts.isIntrinsicJsxName(name_31.text)) { - return ts.createLiteral(name_31.text); - } - else { - return ts.createExpressionFromEntityName(name_31); - } - } + flattenDestructuring(node, value, location, emitAssignment, emitTempVariableAssignment, visitor); + if (needsValue) { + expressions.push(value); } - function getAttributeName(node) { - var name = node.name; - if (/^[A-Za-z_]\w*$/.test(name.text)) { - return name; - } - else { - return ts.createLiteral(name.text); - } + var expression = ts.inlineExpressions(expressions); + ts.aggregateTransformFlags(expression); + return expression; + function emitAssignment(name, value, location) { + var expression = ts.createAssignment(name, value, location); + ts.setEmitFlags(expression, 2048); + ts.aggregateTransformFlags(expression); + expressions.push(expression); } - function visitJsxExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(recordTempVariable); + emitAssignment(name, value, location); + return name; } } - ts.transformJsx = transformJsx; - function createEntitiesMap() { - return ts.createMap({ - "quot": 0x0022, - "amp": 0x0026, - "apos": 0x0027, - "lt": 0x003C, - "gt": 0x003E, - "nbsp": 0x00A0, - "iexcl": 0x00A1, - "cent": 0x00A2, - "pound": 0x00A3, - "curren": 0x00A4, - "yen": 0x00A5, - "brvbar": 0x00A6, - "sect": 0x00A7, - "uml": 0x00A8, - "copy": 0x00A9, - "ordf": 0x00AA, - "laquo": 0x00AB, - "not": 0x00AC, - "shy": 0x00AD, - "reg": 0x00AE, - "macr": 0x00AF, - "deg": 0x00B0, - "plusmn": 0x00B1, - "sup2": 0x00B2, - "sup3": 0x00B3, - "acute": 0x00B4, - "micro": 0x00B5, - "para": 0x00B6, - "middot": 0x00B7, - "cedil": 0x00B8, - "sup1": 0x00B9, - "ordm": 0x00BA, - "raquo": 0x00BB, - "frac14": 0x00BC, - "frac12": 0x00BD, - "frac34": 0x00BE, - "iquest": 0x00BF, - "Agrave": 0x00C0, - "Aacute": 0x00C1, - "Acirc": 0x00C2, - "Atilde": 0x00C3, - "Auml": 0x00C4, - "Aring": 0x00C5, - "AElig": 0x00C6, - "Ccedil": 0x00C7, - "Egrave": 0x00C8, - "Eacute": 0x00C9, - "Ecirc": 0x00CA, - "Euml": 0x00CB, - "Igrave": 0x00CC, - "Iacute": 0x00CD, - "Icirc": 0x00CE, - "Iuml": 0x00CF, - "ETH": 0x00D0, - "Ntilde": 0x00D1, - "Ograve": 0x00D2, - "Oacute": 0x00D3, - "Ocirc": 0x00D4, - "Otilde": 0x00D5, - "Ouml": 0x00D6, - "times": 0x00D7, - "Oslash": 0x00D8, - "Ugrave": 0x00D9, - "Uacute": 0x00DA, - "Ucirc": 0x00DB, - "Uuml": 0x00DC, - "Yacute": 0x00DD, - "THORN": 0x00DE, - "szlig": 0x00DF, - "agrave": 0x00E0, - "aacute": 0x00E1, - "acirc": 0x00E2, - "atilde": 0x00E3, - "auml": 0x00E4, - "aring": 0x00E5, - "aelig": 0x00E6, - "ccedil": 0x00E7, - "egrave": 0x00E8, - "eacute": 0x00E9, - "ecirc": 0x00EA, - "euml": 0x00EB, - "igrave": 0x00EC, - "iacute": 0x00ED, - "icirc": 0x00EE, - "iuml": 0x00EF, - "eth": 0x00F0, - "ntilde": 0x00F1, - "ograve": 0x00F2, - "oacute": 0x00F3, - "ocirc": 0x00F4, - "otilde": 0x00F5, - "ouml": 0x00F6, - "divide": 0x00F7, - "oslash": 0x00F8, - "ugrave": 0x00F9, - "uacute": 0x00FA, - "ucirc": 0x00FB, - "uuml": 0x00FC, - "yacute": 0x00FD, - "thorn": 0x00FE, - "yuml": 0x00FF, - "OElig": 0x0152, - "oelig": 0x0153, - "Scaron": 0x0160, - "scaron": 0x0161, - "Yuml": 0x0178, - "fnof": 0x0192, - "circ": 0x02C6, - "tilde": 0x02DC, - "Alpha": 0x0391, - "Beta": 0x0392, - "Gamma": 0x0393, - "Delta": 0x0394, - "Epsilon": 0x0395, - "Zeta": 0x0396, - "Eta": 0x0397, - "Theta": 0x0398, - "Iota": 0x0399, - "Kappa": 0x039A, - "Lambda": 0x039B, - "Mu": 0x039C, - "Nu": 0x039D, - "Xi": 0x039E, - "Omicron": 0x039F, - "Pi": 0x03A0, - "Rho": 0x03A1, - "Sigma": 0x03A3, - "Tau": 0x03A4, - "Upsilon": 0x03A5, - "Phi": 0x03A6, - "Chi": 0x03A7, - "Psi": 0x03A8, - "Omega": 0x03A9, - "alpha": 0x03B1, - "beta": 0x03B2, - "gamma": 0x03B3, - "delta": 0x03B4, - "epsilon": 0x03B5, - "zeta": 0x03B6, - "eta": 0x03B7, - "theta": 0x03B8, - "iota": 0x03B9, - "kappa": 0x03BA, - "lambda": 0x03BB, - "mu": 0x03BC, - "nu": 0x03BD, - "xi": 0x03BE, - "omicron": 0x03BF, - "pi": 0x03C0, - "rho": 0x03C1, - "sigmaf": 0x03C2, - "sigma": 0x03C3, - "tau": 0x03C4, - "upsilon": 0x03C5, - "phi": 0x03C6, - "chi": 0x03C7, - "psi": 0x03C8, - "omega": 0x03C9, - "thetasym": 0x03D1, - "upsih": 0x03D2, - "piv": 0x03D6, - "ensp": 0x2002, - "emsp": 0x2003, - "thinsp": 0x2009, - "zwnj": 0x200C, - "zwj": 0x200D, - "lrm": 0x200E, - "rlm": 0x200F, - "ndash": 0x2013, - "mdash": 0x2014, - "lsquo": 0x2018, - "rsquo": 0x2019, - "sbquo": 0x201A, - "ldquo": 0x201C, - "rdquo": 0x201D, - "bdquo": 0x201E, - "dagger": 0x2020, - "Dagger": 0x2021, - "bull": 0x2022, - "hellip": 0x2026, - "permil": 0x2030, - "prime": 0x2032, - "Prime": 0x2033, - "lsaquo": 0x2039, - "rsaquo": 0x203A, - "oline": 0x203E, - "frasl": 0x2044, - "euro": 0x20AC, - "image": 0x2111, - "weierp": 0x2118, - "real": 0x211C, - "trade": 0x2122, - "alefsym": 0x2135, - "larr": 0x2190, - "uarr": 0x2191, - "rarr": 0x2192, - "darr": 0x2193, - "harr": 0x2194, - "crarr": 0x21B5, - "lArr": 0x21D0, - "uArr": 0x21D1, - "rArr": 0x21D2, - "dArr": 0x21D3, - "hArr": 0x21D4, - "forall": 0x2200, - "part": 0x2202, - "exist": 0x2203, - "empty": 0x2205, - "nabla": 0x2207, - "isin": 0x2208, - "notin": 0x2209, - "ni": 0x220B, - "prod": 0x220F, - "sum": 0x2211, - "minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }); - } -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2017(context) { - var ES2017SubstitutionFlags; - (function (ES2017SubstitutionFlags) { - ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; - })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; - var resolver = context.getEmitResolver(); - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var currentSourceFileExternalHelpersModuleName; - var enabledSubstitutions; - var applicableSubstitutions; - var currentSuperContainer; - var previousOnEmitNode = context.onEmitNode; - var previousOnSubstituteNode = context.onSubstituteNode; - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - var currentScope; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; - return ts.visitEachChild(node, visitor, context); + ts.flattenDestructuringAssignment = flattenDestructuringAssignment; + function flattenParameterDestructuring(node, value, visitor) { + var declarations = []; + flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); + return declarations; + function emitAssignment(name, value, location) { + var declaration = ts.createVariableDeclaration(name, undefined, value, location); + ts.setEmitFlags(declaration, 2048); + ts.aggregateTransformFlags(declaration); + declarations.push(declaration); } - function visitor(node) { - if (node.transformFlags & 16) { - return visitorWorker(node); - } - else if (node.transformFlags & 32) { - return ts.visitEachChild(node, visitor, context); - } - return node; + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(undefined); + emitAssignment(name, value, location); + return name; } - function visitorWorker(node) { - switch (node.kind) { - case 119: - return undefined; - case 185: - return visitAwaitExpression(node); - case 148: - return visitMethodDeclaration(node); - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); - case 181: - return visitArrowFunction(node); - default: - ts.Debug.failBadSyntaxKind(node); - return node; + } + ts.flattenParameterDestructuring = flattenParameterDestructuring; + function flattenVariableDestructuring(node, value, visitor, recordTempVariable) { + var declarations = []; + var pendingAssignments; + flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); + return declarations; + function emitAssignment(name, value, location, original) { + if (pendingAssignments) { + pendingAssignments.push(value); + value = ts.inlineExpressions(pendingAssignments); + pendingAssignments = undefined; } + var declaration = ts.createVariableDeclaration(name, undefined, value, location); + declaration.original = original; + ts.setEmitFlags(declaration, 2048); + declarations.push(declaration); + ts.aggregateTransformFlags(declaration); } - function visitAwaitExpression(node) { - return ts.setOriginalNode(ts.createYield(undefined, ts.visitNode(node.expression, visitor, ts.isExpression), node), node); - } - function visitMethodDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(recordTempVariable); + if (recordTempVariable) { + var assignment = ts.createAssignment(name, value, location); + if (pendingAssignments) { + pendingAssignments.push(assignment); + } + else { + pendingAssignments = [assignment]; + } } - var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setCommentRange(method, node); - ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(method, node); - return method; - } - function visitFunctionDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; + else { + emitAssignment(name, value, location, undefined); } - var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; + return name; } - function visitFunctionExpression(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - if (ts.nodeIsMissing(node.body)) { - return ts.createOmittedExpression(); - } - var func = ts.createFunctionExpression(undefined, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; + } + ts.flattenVariableDestructuring = flattenVariableDestructuring; + function flattenVariableDestructuringToExpression(node, recordTempVariable, nameSubstitution, visitor) { + var pendingAssignments = []; + flattenDestructuring(node, undefined, node, emitAssignment, emitTempVariableAssignment, visitor); + var expression = ts.inlineExpressions(pendingAssignments); + ts.aggregateTransformFlags(expression); + return expression; + function emitAssignment(name, value, location, original) { + var left = nameSubstitution && nameSubstitution(name) || name; + emitPendingAssignment(left, value, location, original); } - function visitArrowFunction(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); - ts.setOriginalNode(func, node); - return func; + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(recordTempVariable); + emitPendingAssignment(name, value, location, undefined); + return name; } - function transformFunctionBody(node) { - return transformAsyncFunctionBody(node); + function emitPendingAssignment(name, value, location, original) { + var expression = ts.createAssignment(name, value, location); + expression.original = original; + ts.setEmitFlags(expression, 2048); + pendingAssignments.push(expression); + return expression; } - function transformConciseBody(node) { - return transformAsyncFunctionBody(node); + } + ts.flattenVariableDestructuringToExpression = flattenVariableDestructuringToExpression; + function flattenDestructuring(root, value, location, emitAssignment, emitTempVariableAssignment, visitor) { + if (value && visitor) { + value = ts.visitNode(value, visitor, ts.isExpression); } - function transformFunctionBodyWorker(body, start) { - if (start === void 0) { start = 0; } - var savedCurrentScope = currentScope; - currentScope = body; - startLexicalEnvironment(); - var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); - var visited = ts.updateBlock(body, statements); - var declarations = endLexicalEnvironment(); - currentScope = savedCurrentScope; - return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (ts.isBinaryExpression(root)) { + emitDestructuringAssignment(root.left, value, location); } - function transformAsyncFunctionBody(node) { - var nodeType = node.original ? node.original.type : node.type; - var promiseConstructor = languageVersion < 2 ? getPromiseConstructor(nodeType) : undefined; - var isArrowFunction = node.kind === 181; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; - if (!isArrowFunction) { - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, false, visitor); - statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); - var block = ts.createBlock(statements, node.body, true); - if (languageVersion >= 2) { - if (resolver.getNodeCheckFlags(node) & 4096) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 8); - } - else if (resolver.getNodeCheckFlags(node) & 2048) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 4); - } + else { + emitBindingElement(root, value); + } + function emitDestructuringAssignment(bindingTarget, value, location) { + var target; + if (ts.isShorthandPropertyAssignment(bindingTarget)) { + var initializer = visitor + ? ts.visitNode(bindingTarget.objectAssignmentInitializer, visitor, ts.isExpression) + : bindingTarget.objectAssignmentInitializer; + if (initializer) { + value = createDefaultValueCheck(value, initializer, location); } - return block; - } - else { - return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, true)); + target = bindingTarget.name; } - } - function transformConciseBodyWorker(body, forceBlockFunctionBody) { - if (ts.isBlock(body)) { - return transformFunctionBodyWorker(body); + else if (ts.isBinaryExpression(bindingTarget) && bindingTarget.operatorToken.kind === 57) { + var initializer = visitor + ? ts.visitNode(bindingTarget.right, visitor, ts.isExpression) + : bindingTarget.right; + value = createDefaultValueCheck(value, initializer, location); + target = bindingTarget.left; } else { - startLexicalEnvironment(); - var visited = ts.visitNode(body, visitor, ts.isConciseBody); - var declarations = endLexicalEnvironment(); - var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - if (forceBlockFunctionBody && !ts.isBlock(merged)) { - return ts.createBlock([ - ts.createReturn(merged) - ]); - } - else { - return merged; - } + target = bindingTarget; } - } - function getPromiseConstructor(type) { - var typeName = ts.getEntityNameFromTypeNode(type); - if (typeName && ts.isEntityName(typeName)) { - var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); - if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue - || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { - return typeName; - } + if (target.kind === 172) { + emitObjectLiteralAssignment(target, value, location); } - return undefined; - } - function enableSubstitutionForAsyncMethodsWithSuper() { - if ((enabledSubstitutions & 1) === 0) { - enabledSubstitutions |= 1; - context.enableSubstitution(175); - context.enableSubstitution(173); - context.enableSubstitution(174); - context.enableEmitNotification(222); - context.enableEmitNotification(148); - context.enableEmitNotification(150); - context.enableEmitNotification(151); - context.enableEmitNotification(149); + else if (target.kind === 171) { + emitArrayLiteralAssignment(target, value, location); } - } - function substituteExpression(node) { - switch (node.kind) { - case 173: - return substitutePropertyAccessExpression(node); - case 174: - return substituteElementAccessExpression(node); - case 175: - if (enabledSubstitutions & 1) { - return substituteCallExpression(node); - } - break; + else { + var name_29 = ts.getMutableClone(target); + ts.setSourceMapRange(name_29, target); + ts.setCommentRange(name_29, target); + emitAssignment(name_29, value, location, undefined); } - return node; } - function substitutePropertyAccessExpression(node) { - if (enabledSubstitutions & 1 && node.expression.kind === 96) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); - } + function emitObjectLiteralAssignment(target, value, location) { + var properties = target.properties; + if (properties.length !== 1) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment); } - return node; - } - function substituteElementAccessExpression(node) { - if (enabledSubstitutions & 1 && node.expression.kind === 96) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); + for (var _i = 0, properties_6 = properties; _i < properties_6.length; _i++) { + var p = properties_6[_i]; + if (p.kind === 253 || p.kind === 254) { + var propName = p.name; + var target_1 = p.kind === 254 ? p : p.initializer || propName; + emitDestructuringAssignment(target_1, createDestructuringPropertyAccess(value, propName), p); } } - return node; } - function substituteCallExpression(node) { - var expression = node.expression; - if (ts.isSuperProperty(expression)) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - var argumentExpression = ts.isPropertyAccessExpression(expression) - ? substitutePropertyAccessExpression(expression) - : substituteElementAccessExpression(expression); - return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), undefined, [ - ts.createThis() - ].concat(node.arguments)); + function emitArrayLiteralAssignment(target, value, location) { + var elements = target.elements; + var numElements = elements.length; + if (numElements !== 1) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment); + } + for (var i = 0; i < numElements; i++) { + var e = elements[i]; + if (e.kind !== 194) { + if (e.kind !== 192) { + emitDestructuringAssignment(e, ts.createElementAccess(value, ts.createLiteral(i)), e); + } + else if (i === numElements - 1) { + emitDestructuringAssignment(e.expression, ts.createArraySlice(value, i), e); + } } } - return node; - } - function isSuperContainer(node) { - var kind = node.kind; - return kind === 222 - || kind === 149 - || kind === 148 - || kind === 150 - || kind === 151; } - function onEmitNode(emitContext, node, emitCallback) { - var savedApplicableSubstitutions = applicableSubstitutions; - var savedCurrentSuperContainer = currentSuperContainer; - if (enabledSubstitutions & 1 && isSuperContainer(node)) { - currentSuperContainer = node; + function emitBindingElement(target, value) { + var initializer = visitor ? ts.visitNode(target.initializer, visitor, ts.isExpression) : target.initializer; + if (initializer) { + value = value ? createDefaultValueCheck(value, initializer, target) : initializer; } - previousOnEmitNode(emitContext, node, emitCallback); - applicableSubstitutions = savedApplicableSubstitutions; - currentSuperContainer = savedCurrentSuperContainer; - } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + else if (!value) { + value = ts.createVoidZero(); } - return node; - } - function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { - if (flags & 4096) { - return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression]), "value", location); + var name = target.name; + if (ts.isBindingPattern(name)) { + var elements = name.elements; + var numElements = elements.length; + if (numElements !== 1) { + value = ensureIdentifier(value, numElements !== 0, target, emitTempVariableAssignment); + } + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (ts.isOmittedExpression(element)) { + continue; + } + else if (name.kind === 168) { + var propName = element.propertyName || element.name; + emitBindingElement(element, createDestructuringPropertyAccess(value, propName)); + } + else { + if (!element.dotDotDotToken) { + emitBindingElement(element, ts.createElementAccess(value, i)); + } + else if (i === numElements - 1) { + emitBindingElement(element, ts.createArraySlice(value, i)); + } + } + } } else { - return ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression], location); + emitAssignment(name, value, target, target); } } - function getSuperContainerAsyncMethodFlags() { - return currentSuperContainer !== undefined - && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 | 4096); - } - } - ts.transformES2017 = transformES2017; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2016(context) { - var hoistVariableDeclaration = context.hoistVariableDeclaration; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - return ts.visitEachChild(node, visitor, context); + function createDefaultValueCheck(value, defaultValue, location) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment); + return ts.createConditional(ts.createStrictEquality(value, ts.createVoidZero()), ts.createToken(54), defaultValue, ts.createToken(55), value); } - function visitor(node) { - if (node.transformFlags & 64) { - return visitorWorker(node); + function createDestructuringPropertyAccess(expression, propertyName) { + if (ts.isComputedPropertyName(propertyName)) { + return ts.createElementAccess(expression, ensureIdentifier(propertyName.expression, false, propertyName, emitTempVariableAssignment)); } - else if (node.transformFlags & 128) { - return ts.visitEachChild(node, visitor, context); + else if (ts.isLiteralExpression(propertyName)) { + var clone_2 = ts.getSynthesizedClone(propertyName); + clone_2.text = ts.unescapeIdentifier(clone_2.text); + return ts.createElementAccess(expression, clone_2); } else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 188: - return visitBinaryExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function visitBinaryExpression(node) { - var left = ts.visitNode(node.left, visitor, ts.isExpression); - var right = ts.visitNode(node.right, visitor, ts.isExpression); - if (node.operatorToken.kind === 61) { - var target = void 0; - var value = void 0; - if (ts.isElementAccessExpression(left)) { - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, left.argumentExpression), left); - value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, left); - } - else if (ts.isPropertyAccessExpression(left)) { - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), left.name, left); - value = ts.createPropertyAccess(expressionTemp, left.name, left); + if (ts.isGeneratedIdentifier(propertyName)) { + var clone_3 = ts.getSynthesizedClone(propertyName); + clone_3.text = ts.unescapeIdentifier(clone_3.text); + return ts.createPropertyAccess(expression, clone_3); } else { - target = left; - value = left; + return ts.createPropertyAccess(expression, ts.createIdentifier(ts.unescapeIdentifier(propertyName.text))); } - return ts.createAssignment(target, ts.createMathPow(value, right, node), node); - } - else if (node.operatorToken.kind === 39) { - return ts.createMathPow(left, right, node); } - else { - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); + } + } + function ensureIdentifier(value, reuseIdentifierExpressions, location, emitTempVariableAssignment, visitor) { + if (ts.isIdentifier(value) && reuseIdentifierExpressions) { + return value; + } + else { + if (visitor) { + value = ts.visitNode(value, visitor, ts.isExpression); } + return emitTempVariableAssignment(value, location); } } - ts.transformES2016 = transformES2016; })(ts || (ts = {})); var ts; (function (ts) { - var ES2015SubstitutionFlags; - (function (ES2015SubstitutionFlags) { - ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; - ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; - })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); - var CopyDirection; - (function (CopyDirection) { - CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; - CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; - })(CopyDirection || (CopyDirection = {})); - var Jump; - (function (Jump) { - Jump[Jump["Break"] = 2] = "Break"; - Jump[Jump["Continue"] = 4] = "Continue"; - Jump[Jump["Return"] = 8] = "Return"; - })(Jump || (Jump = {})); - var SuperCaptureResult; - (function (SuperCaptureResult) { - SuperCaptureResult[SuperCaptureResult["NoReplacement"] = 0] = "NoReplacement"; - SuperCaptureResult[SuperCaptureResult["ReplaceSuperCapture"] = 1] = "ReplaceSuperCapture"; - SuperCaptureResult[SuperCaptureResult["ReplaceWithReturn"] = 2] = "ReplaceWithReturn"; - })(SuperCaptureResult || (SuperCaptureResult = {})); - function transformES2015(context) { + var USE_NEW_TYPE_METADATA_FORMAT = false; + function transformTypeScript(context) { var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; var resolver = context.getEmitResolver(); - var previousOnSubstituteNode = context.onSubstituteNode; + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; context.onEmitNode = onEmitNode; context.onSubstituteNode = onSubstituteNode; + context.enableSubstitution(173); + context.enableSubstitution(174); var currentSourceFile; - var currentText; - var currentParent; - var currentNode; - var enclosingVariableStatement; - var enclosingBlockScopeContainer; - var enclosingBlockScopeContainerParent; - var enclosingFunction; - var enclosingNonArrowFunction; - var enclosingNonAsyncFunctionBody; - var convertedLoopState; + var currentNamespace; + var currentNamespaceContainerName; + var currentScope; + var currentScopeFirstDeclarationsOfName; + var currentSourceFileExternalHelpersModuleName; var enabledSubstitutions; + var classAliases; + var applicableSubstitutions; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - currentSourceFile = node; - currentText = node.text; return ts.visitNode(node, visitor, ts.isSourceFile); } - function visitor(node) { - return saveStateAndInvoke(node, dispatcher); - } - function dispatcher(node) { - return convertedLoopState - ? visitorForConvertedLoopWorker(node) - : visitorWorker(node); - } function saveStateAndInvoke(node, f) { - var savedEnclosingFunction = enclosingFunction; - var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; - var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; - var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; - var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; - var savedEnclosingVariableStatement = enclosingVariableStatement; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var savedConvertedLoopState = convertedLoopState; - if (ts.nodeStartsNewLexicalEnvironment(node)) { - convertedLoopState = undefined; - } + var savedCurrentScope = currentScope; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; onBeforeVisitNode(node); var visited = f(node); - convertedLoopState = savedConvertedLoopState; - enclosingFunction = savedEnclosingFunction; - enclosingNonArrowFunction = savedEnclosingNonArrowFunction; - enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; - enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; - enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; - enclosingVariableStatement = savedEnclosingVariableStatement; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; + if (currentScope !== savedCurrentScope) { + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + } + currentScope = savedCurrentScope; return visited; } - function shouldCheckNode(node) { - return (node.transformFlags & 256) !== 0 || - node.kind === 215 || - (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); + function visitor(node) { + return saveStateAndInvoke(node, visitorWorker); } function visitorWorker(node) { - if (shouldCheckNode(node)) { - return visitJavaScript(node); + if (node.kind === 256) { + return visitSourceFile(node); } - else if (node.transformFlags & 512) { + else if (node.transformFlags & 1) { + return visitTypeScript(node); + } + else if (node.transformFlags & 2) { return ts.visitEachChild(node, visitor, context); } - else { - return node; + return node; + } + function sourceElementVisitor(node) { + return saveStateAndInvoke(node, sourceElementVisitorWorker); + } + function sourceElementVisitorWorker(node) { + switch (node.kind) { + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 236: + return visitExportAssignment(node); + case 237: + return visitExportDeclaration(node); + default: + return visitorWorker(node); } } - function visitorForConvertedLoopWorker(node) { - var result; - if (shouldCheckNode(node)) { - result = visitJavaScript(node); + function namespaceElementVisitor(node) { + return saveStateAndInvoke(node, namespaceElementVisitorWorker); + } + function namespaceElementVisitorWorker(node) { + if (node.kind === 237 || + node.kind === 231 || + node.kind === 232 || + (node.kind === 230 && + node.moduleReference.kind === 241)) { + return undefined; } - else { - result = visitNodesInConvertedLoop(node); + else if (node.transformFlags & 1 || ts.hasModifier(node, 1)) { + return visitTypeScript(node); } - return result; + else if (node.transformFlags & 2) { + return ts.visitEachChild(node, visitor, context); + } + return node; } - function visitNodesInConvertedLoop(node) { + function classElementVisitor(node) { + return saveStateAndInvoke(node, classElementVisitorWorker); + } + function classElementVisitorWorker(node) { switch (node.kind) { - case 212: - return visitReturnStatement(node); - case 201: - return visitVariableStatement(node); - case 214: - return visitSwitchStatement(node); - case 211: - case 210: - return visitBreakOrContinueStatement(node); - case 98: - return visitThisKeyword(node); - case 70: - return visitIdentifier(node); + case 149: + return undefined; + case 146: + case 154: + case 150: + case 151: + case 148: + return visitorWorker(node); + case 199: + return node; default: - return ts.visitEachChild(node, visitor, context); + ts.Debug.failBadSyntaxKind(node); + return undefined; } } - function visitJavaScript(node) { + function visitTypeScript(node) { + if (ts.hasModifier(node, 2) && ts.isStatement(node)) { + return ts.createNotEmittedStatement(node); + } switch (node.kind) { case 83: - return node; + case 78: + return currentNamespace ? undefined : node; + case 113: + case 111: + case 112: + case 116: + case 75: + case 123: + case 129: + case 161: + case 162: + case 160: + case 155: + case 142: + case 118: + case 121: + case 133: + case 131: + case 128: + case 104: + case 134: + case 158: + case 157: + case 159: + case 156: + case 163: + case 164: + case 165: + case 166: + case 167: + case 154: + case 144: + case 224: + case 146: + case 149: + return visitConstructor(node); + case 223: + return ts.createNotEmittedStatement(node); case 222: return visitClassDeclaration(node); case 193: return visitClassExpression(node); - case 143: - return visitParameter(node); + case 251: + return visitHeritageClause(node); + case 195: + return visitExpressionWithTypeArguments(node); + case 148: + return visitMethodDeclaration(node); + case 150: + return visitGetAccessor(node); + case 151: + return visitSetAccessor(node); case 221: return visitFunctionDeclaration(node); - case 181: - return visitArrowFunction(node); case 180: return visitFunctionExpression(node); - case 219: - return visitVariableDeclaration(node); - case 70: - return visitIdentifier(node); - case 220: - return visitVariableDeclarationList(node); - case 215: - return visitLabeledStatement(node); - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 207: - return visitForStatement(node); - case 208: - return visitForInStatement(node); - case 209: - return visitForOfStatement(node); - case 203: - return visitExpressionStatement(node); - case 172: - return visitObjectLiteralExpression(node); - case 254: - return visitShorthandPropertyAssignment(node); - case 171: - return visitArrayLiteralExpression(node); + case 181: + return visitArrowFunction(node); + case 143: + return visitParameter(node); + case 179: + return visitParenthesizedExpression(node); + case 178: + case 196: + return visitAssertionExpression(node); case 175: return visitCallExpression(node); case 176: return visitNewExpression(node); - case 179: - return visitParenthesizedExpression(node, true); - case 188: - return visitBinaryExpression(node, true); - case 12: - case 13: - case 14: - case 15: - return visitTemplateLiteral(node); - case 177: - return visitTaggedTemplateExpression(node); - case 190: - return visitTemplateExpression(node); - case 191: - return visitYieldExpression(node); - case 96: - return visitSuperKeyword(); - case 191: - return ts.visitEachChild(node, visitor, context); - case 148: - return visitMethodDeclaration(node); - case 256: - return visitSourceFileNode(node); + case 197: + return visitNonNullExpression(node); + case 225: + return visitEnumDeclaration(node); case 201: return visitVariableStatement(node); + case 219: + return visitVariableDeclaration(node); + case 226: + return visitModuleDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); default: ts.Debug.failBadSyntaxKind(node); return ts.visitEachChild(node, visitor, context); } } function onBeforeVisitNode(node) { - if (currentNode) { - if (ts.isBlockScope(currentNode, currentParent)) { - enclosingBlockScopeContainer = currentNode; - enclosingBlockScopeContainerParent = currentParent; - } - if (ts.isFunctionLike(currentNode)) { - enclosingFunction = currentNode; - if (currentNode.kind !== 181) { - enclosingNonArrowFunction = currentNode; - if (!(ts.getEmitFlags(currentNode) & 2097152)) { - enclosingNonAsyncFunctionBody = currentNode; - } - } - } - switch (currentNode.kind) { - case 201: - enclosingVariableStatement = currentNode; - break; - case 220: - case 219: - case 170: - case 168: - case 169: + switch (node.kind) { + case 256: + case 228: + case 227: + case 200: + currentScope = node; + currentScopeFirstDeclarationsOfName = undefined; + break; + case 222: + case 221: + if (ts.hasModifier(node, 2)) { break; - default: - enclosingVariableStatement = undefined; - } + } + recordEmittedDeclarationInScope(node); + break; } - currentParent = currentNode; - currentNode = node; - } - function visitSwitchStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps |= 2; - var result = ts.visitEachChild(node, visitor, context); - convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; - return result; } - function visitReturnStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - convertedLoopState.nonLocalJumps |= 8; - return ts.createReturn(ts.createObjectLiteral([ - ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression - ? ts.visitNode(node.expression, visitor, ts.isExpression) - : ts.createVoidZero()) - ])); + function visitSourceFile(node) { + currentSourceFile = node; + if (compilerOptions.alwaysStrict) { + node = ts.ensureUseStrict(node); + } + if (node.flags & 31744 + && compilerOptions.importHelpers + && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, false, visitor); + var externalHelpersModuleName = ts.createUniqueName(ts.externalHelpersModuleNameText); + var externalHelpersModuleImport = ts.createImportDeclaration(undefined, undefined, ts.createImportClause(undefined, ts.createNamespaceImport(externalHelpersModuleName)), ts.createLiteral(ts.externalHelpersModuleNameText)); + externalHelpersModuleImport.parent = node; + externalHelpersModuleImport.flags &= ~8; + statements.push(externalHelpersModuleImport); + currentSourceFileExternalHelpersModuleName = externalHelpersModuleName; + ts.addRange(statements, ts.visitNodes(node.statements, sourceElementVisitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + currentSourceFileExternalHelpersModuleName = undefined; + node = ts.updateSourceFileNode(node, ts.createNodeArray(statements, node.statements)); + node.externalHelpersModuleName = externalHelpersModuleName; + } + else { + node = ts.visitEachChild(node, sourceElementVisitor, context); + } + ts.setEmitFlags(node, 1 | ts.getEmitFlags(node)); + return node; } - function visitThisKeyword(node) { - ts.Debug.assert(convertedLoopState !== undefined); - if (enclosingFunction && enclosingFunction.kind === 181) { - convertedLoopState.containsLexicalThis = true; - return node; + function shouldEmitDecorateCallForClass(node) { + if (node.decorators && node.decorators.length > 0) { + return true; } - return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + return ts.forEach(constructor.parameters, shouldEmitDecorateCallForParameter); + } + return false; } - function visitIdentifier(node) { - if (!convertedLoopState) { - return node; + function shouldEmitDecorateCallForParameter(parameter) { + return parameter.decorators !== undefined && parameter.decorators.length > 0; + } + function visitClassDeclaration(node) { + var staticProperties = getInitializedProperties(node, true); + var hasExtendsClause = ts.getClassExtendsHeritageClauseElement(node) !== undefined; + var isDecoratedClass = shouldEmitDecorateCallForClass(node); + var classAlias; + var name = node.name; + if (!name && staticProperties.length > 0) { + name = ts.getGeneratedNameForNode(node); } - if (ts.isGeneratedIdentifier(node)) { - return node; + var statements = []; + if (!isDecoratedClass) { + var classDeclaration = ts.createClassDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), node); + ts.setOriginalNode(classDeclaration, node); + if (staticProperties.length > 0) { + ts.setEmitFlags(classDeclaration, 1024 | ts.getEmitFlags(classDeclaration)); + } + statements.push(classDeclaration); } - if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { - return node; + else { + classAlias = addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause); } - return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); - } - function visitBreakOrContinueStatement(node) { - if (convertedLoopState) { - var jump = node.kind === 211 ? 2 : 4; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - var labelMarker = void 0; - if (!node.label) { - if (node.kind === 211) { - convertedLoopState.nonLocalJumps |= 2; - labelMarker = "break"; - } - else { - convertedLoopState.nonLocalJumps |= 4; - labelMarker = "continue"; - } - } - else { - if (node.kind === 211) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); - } - } - var returnExpression = ts.createLiteral(labelMarker); - if (convertedLoopState.loopOutParameters.length) { - var outParams = convertedLoopState.loopOutParameters; - var expr = void 0; - for (var i = 0; i < outParams.length; i++) { - var copyExpr = copyOutParameter(outParams[i], 1); - if (i === 0) { - expr = copyExpr; - } - else { - expr = ts.createBinary(expr, 25, copyExpr); - } - } - returnExpression = ts.createBinary(expr, 25, returnExpression); - } - return ts.createReturn(returnExpression); + if (staticProperties.length) { + addInitializedPropertyStatements(statements, staticProperties, getLocalName(node, true)); + } + addClassElementDecorationStatements(statements, node, false); + addClassElementDecorationStatements(statements, node, true); + addConstructorDecorationStatement(statements, node, classAlias); + if (isNamespaceExport(node)) { + addExportMemberAssignment(statements, node); + } + else if (isDecoratedClass) { + if (isDefaultExternalModuleExport(node)) { + statements.push(ts.createExportAssignment(undefined, undefined, false, getLocalName(node))); + } + else if (isNamedExternalModuleExport(node)) { + statements.push(createExternalModuleExport(name)); } } - return ts.visitEachChild(node, visitor, context); + return statements; } - function visitClassDeclaration(node) { - var modifierFlags = ts.getModifierFlags(node); - var isExported = modifierFlags & 1; - var isDefault = modifierFlags & 512; - var modifiers = isExported && !isDefault - ? ts.filter(node.modifiers, isExportModifier) - : undefined; - var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(getDeclarationName(node, true), undefined, transformClassLikeDeclarationToExpression(node)) - ]), node); - ts.setOriginalNode(statement, node); - ts.startOnNewLine(statement); - if (isExported && isDefault) { - var statements = [statement]; - statements.push(ts.createExportAssignment(undefined, undefined, false, getDeclarationName(node, false))); - return statements; + function addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause) { + var location = ts.moveRangePastDecorators(node); + var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), location), node); + if (!name) { + name = ts.getGeneratedNameForNode(node); } - return statement; - } - function isExportModifier(node) { - return node.kind === 83; + var classAlias; + if (resolver.getNodeCheckFlags(node) & 8388608) { + enableSubstitutionForClassAliases(); + classAlias = ts.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? node.name.text : "default"); + classAliases[ts.getOriginalNodeId(node)] = classAlias; + } + var declaredName = getDeclarationName(node, true); + var transformedClassExpression = ts.createVariableStatement(undefined, ts.createLetDeclarationList([ + ts.createVariableDeclaration(classAlias || declaredName, undefined, classExpression) + ]), location); + ts.setCommentRange(transformedClassExpression, node); + statements.push(ts.setOriginalNode(transformedClassExpression, node)); + if (classAlias) { + statements.push(ts.setOriginalNode(ts.createVariableStatement(undefined, ts.createLetDeclarationList([ + ts.createVariableDeclaration(declaredName, undefined, classAlias) + ]), location), node)); + } + return classAlias; } function visitClassExpression(node) { - return transformClassLikeDeclarationToExpression(node); + var staticProperties = getInitializedProperties(node, true); + var heritageClauses = ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause); + var members = transformClassMembers(node, ts.some(heritageClauses, function (c) { return c.token === 84; })); + var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, node.name, undefined, heritageClauses, members, node), node); + if (staticProperties.length > 0) { + var expressions = []; + var temp = ts.createTempVariable(hoistVariableDeclaration); + if (resolver.getNodeCheckFlags(node) & 8388608) { + enableSubstitutionForClassAliases(); + classAliases[ts.getOriginalNodeId(node)] = ts.getSynthesizedClone(temp); + } + ts.setEmitFlags(classExpression, 524288 | ts.getEmitFlags(classExpression)); + expressions.push(ts.startOnNewLine(ts.createAssignment(temp, classExpression))); + ts.addRange(expressions, generateInitializedPropertyExpressions(staticProperties, temp)); + expressions.push(ts.startOnNewLine(temp)); + return ts.inlineExpressions(expressions); + } + return classExpression; } - function transformClassLikeDeclarationToExpression(node) { - if (node.name) { - enableSubstitutionsForBlockScopedBindings(); + function transformClassMembers(node, hasExtendsClause) { + var members = []; + var constructor = transformConstructor(node, hasExtendsClause); + if (constructor) { + members.push(constructor); } - var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); - var classFunction = ts.createFunctionExpression(undefined, undefined, undefined, undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], undefined, transformClassBody(node, extendsClauseElement)); - if (ts.getEmitFlags(node) & 524288) { - ts.setEmitFlags(classFunction, 524288); + ts.addRange(members, ts.visitNodes(node.members, classElementVisitor, ts.isClassElement)); + return ts.createNodeArray(members, node.members); + } + function transformConstructor(node, hasExtendsClause) { + var hasInstancePropertyWithInitializer = ts.forEach(node.members, isInstanceInitializedProperty); + var hasParameterPropertyAssignments = node.transformFlags & 524288; + var constructor = ts.getFirstConstructorWithBody(node); + if (!hasInstancePropertyWithInitializer && !hasParameterPropertyAssignments) { + return ts.visitEachChild(constructor, visitor, context); } - var inner = ts.createPartiallyEmittedExpression(classFunction); - inner.end = node.end; - ts.setEmitFlags(inner, 49152); - var outer = ts.createPartiallyEmittedExpression(inner); - outer.end = ts.skipTrivia(currentText, node.pos); - ts.setEmitFlags(outer, 49152); - return ts.createParen(ts.createCall(outer, undefined, extendsClauseElement - ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] - : [])); + var parameters = transformConstructorParameters(constructor); + var body = transformConstructorBody(node, constructor, hasExtendsClause); + return ts.startOnNewLine(ts.setOriginalNode(ts.createConstructor(undefined, undefined, parameters, body, constructor || node), constructor)); } - function transformClassBody(node, extendsClauseElement) { + function transformConstructorParameters(constructor) { + return constructor + ? ts.visitNodes(constructor.parameters, visitor, ts.isParameter) + : []; + } + function transformConstructorBody(node, constructor, hasExtendsClause) { var statements = []; + var indexOfFirstStatement = 0; startLexicalEnvironment(); - addExtendsHelperIfNeeded(statements, node, extendsClauseElement); - addConstructor(statements, node, extendsClauseElement); - addClassMembers(statements, node); - var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17); - var localName = getLocalName(node); - var outer = ts.createPartiallyEmittedExpression(localName); - outer.end = closingBraceLocation.end; - ts.setEmitFlags(outer, 49152); - var statement = ts.createReturn(outer); - statement.pos = closingBraceLocation.pos; - ts.setEmitFlags(statement, 49152 | 12288); - statements.push(statement); + if (constructor) { + indexOfFirstStatement = addPrologueDirectivesAndInitialSuperCall(constructor, statements); + var propertyAssignments = getParametersWithPropertyAssignments(constructor); + ts.addRange(statements, ts.map(propertyAssignments, transformParameterWithPropertyAssignment)); + } + else if (hasExtendsClause) { + statements.push(ts.createStatement(ts.createCall(ts.createSuper(), undefined, [ts.createSpread(ts.createIdentifier("arguments"))]))); + } + var properties = getInitializedProperties(node, false); + addInitializedPropertyStatements(statements, properties, ts.createThis()); + if (constructor) { + ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, indexOfFirstStatement)); + } ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); - ts.setEmitFlags(block, 49152); - return block; + return ts.setMultiLine(ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : undefined), true); } - function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { - if (extendsClauseElement) { - statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), extendsClauseElement)); + function addPrologueDirectivesAndInitialSuperCall(ctor, result) { + if (ctor.body) { + var statements = ctor.body.statements; + var index = ts.addPrologueDirectives(result, statements, false, visitor); + if (index === statements.length) { + return index; + } + var statement = statements[index]; + if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { + result.push(ts.visitNode(statement, visitor, ts.isStatement)); + return index + 1; + } + return index; + } + return 0; + } + function getParametersWithPropertyAssignments(node) { + return ts.filter(node.parameters, isParameterWithPropertyAssignment); + } + function isParameterWithPropertyAssignment(parameter) { + return ts.hasModifier(parameter, 92) + && ts.isIdentifier(parameter.name); + } + function transformParameterWithPropertyAssignment(node) { + ts.Debug.assert(ts.isIdentifier(node.name)); + var name = node.name; + var propertyName = ts.getMutableClone(name); + ts.setEmitFlags(propertyName, 49152 | 1536); + var localName = ts.getMutableClone(name); + ts.setEmitFlags(localName, 49152); + return ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createThis(), propertyName, node.name), localName), ts.moveRangePos(node, -1))); + } + function getInitializedProperties(node, isStatic) { + return ts.filter(node.members, isStatic ? isStaticInitializedProperty : isInstanceInitializedProperty); + } + function isStaticInitializedProperty(member) { + return isInitializedProperty(member, true); + } + function isInstanceInitializedProperty(member) { + return isInitializedProperty(member, false); + } + function isInitializedProperty(member, isStatic) { + return member.kind === 146 + && isStatic === ts.hasModifier(member, 32) + && member.initializer !== undefined; + } + function addInitializedPropertyStatements(statements, properties, receiver) { + for (var _i = 0, properties_7 = properties; _i < properties_7.length; _i++) { + var property = properties_7[_i]; + var statement = ts.createStatement(transformInitializedProperty(property, receiver)); + ts.setSourceMapRange(statement, ts.moveRangePastModifiers(property)); + ts.setCommentRange(statement, property); + statements.push(statement); + } + } + function generateInitializedPropertyExpressions(properties, receiver) { + var expressions = []; + for (var _i = 0, properties_8 = properties; _i < properties_8.length; _i++) { + var property = properties_8[_i]; + var expression = transformInitializedProperty(property, receiver); + expression.startsOnNewLine = true; + ts.setSourceMapRange(expression, ts.moveRangePastModifiers(property)); + ts.setCommentRange(expression, property); + expressions.push(expression); + } + return expressions; + } + function transformInitializedProperty(property, receiver) { + var propertyName = visitPropertyNameOfClassElement(property); + var initializer = ts.visitNode(property.initializer, visitor, ts.isExpression); + var memberAccess = ts.createMemberAccessForPropertyName(receiver, propertyName, propertyName); + return ts.createAssignment(memberAccess, initializer); + } + function getDecoratedClassElements(node, isStatic) { + return ts.filter(node.members, isStatic ? isStaticDecoratedClassElement : isInstanceDecoratedClassElement); + } + function isStaticDecoratedClassElement(member) { + return isDecoratedClassElement(member, true); + } + function isInstanceDecoratedClassElement(member) { + return isDecoratedClassElement(member, false); + } + function isDecoratedClassElement(member, isStatic) { + return ts.nodeOrChildIsDecorated(member) + && isStatic === ts.hasModifier(member, 32); + } + function getDecoratorsOfParameters(node) { + var decorators; + if (node) { + var parameters = node.parameters; + for (var i = 0; i < parameters.length; i++) { + var parameter = parameters[i]; + if (decorators || parameter.decorators) { + if (!decorators) { + decorators = new Array(parameters.length); + } + decorators[i] = parameter.decorators; + } + } } + return decorators; } - function addConstructor(statements, node, extendsClauseElement) { - var constructor = ts.getFirstConstructorWithBody(node); - var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); - var constructorFunction = ts.createFunctionDeclaration(undefined, undefined, undefined, getDeclarationName(node), undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), constructor || node); - if (extendsClauseElement) { - ts.setEmitFlags(constructorFunction, 256); + function getAllDecoratorsOfConstructor(node) { + var decorators = node.decorators; + var parameters = getDecoratorsOfParameters(ts.getFirstConstructorWithBody(node)); + if (!decorators && !parameters) { + return undefined; } - statements.push(constructorFunction); + return { + decorators: decorators, + parameters: parameters + }; } - function transformConstructorParameters(constructor, hasSynthesizedSuper) { - if (constructor && !hasSynthesizedSuper) { - return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); + function getAllDecoratorsOfClassElement(node, member) { + switch (member.kind) { + case 150: + case 151: + return getAllDecoratorsOfAccessors(node, member); + case 148: + return getAllDecoratorsOfMethod(member); + case 146: + return getAllDecoratorsOfProperty(member); + default: + return undefined; } - return []; } - function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { - var statements = []; - startLexicalEnvironment(); - var statementOffset = -1; - if (hasSynthesizedSuper) { - statementOffset = 1; - } - else if (constructor) { - statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, false, visitor); - } - if (constructor) { - addDefaultValueAssignmentsIfNeeded(statements, constructor); - addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); - ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); - } - var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); - if (superCaptureStatus === 1 || superCaptureStatus === 2) { - statementOffset++; - } - if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); - ts.addRange(statements, body); + function getAllDecoratorsOfAccessors(node, accessor) { + if (!accessor.body) { + return undefined; } - if (extendsClauseElement - && superCaptureStatus !== 2 - && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { - statements.push(ts.createReturn(ts.createIdentifier("_this"))); + var _a = ts.getAllAccessorDeclarations(node.members, accessor), firstAccessor = _a.firstAccessor, secondAccessor = _a.secondAccessor, setAccessor = _a.setAccessor; + if (accessor !== firstAccessor) { + return undefined; } - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : node, true); - if (!constructor) { - ts.setEmitFlags(block, 49152); + var decorators = firstAccessor.decorators || (secondAccessor && secondAccessor.decorators); + var parameters = getDecoratorsOfParameters(setAccessor); + if (!decorators && !parameters) { + return undefined; } - return block; + return { decorators: decorators, parameters: parameters }; } - function isSufficientlyCoveredByReturnStatements(statement) { - if (statement.kind === 212) { - return true; - } - else if (statement.kind === 204) { - var ifStatement = statement; - if (ifStatement.elseStatement) { - return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && - isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); - } + function getAllDecoratorsOfMethod(method) { + if (!method.body) { + return undefined; } - else if (statement.kind === 200) { - var lastStatement = ts.lastOrUndefined(statement.statements); - if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { - return true; - } + var decorators = method.decorators; + var parameters = getDecoratorsOfParameters(method); + if (!decorators && !parameters) { + return undefined; } - return false; + return { decorators: decorators, parameters: parameters }; } - function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { - if (!hasExtendsClause) { - if (ctor) { - addCaptureThisForNodeIfNeeded(statements, ctor); - } - return 0; - } - if (!ctor) { - statements.push(ts.createReturn(createDefaultSuperCallOrThis())); - return 2; + function getAllDecoratorsOfProperty(property) { + var decorators = property.decorators; + if (!decorators) { + return undefined; } - if (hasSynthesizedSuper) { - captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); - enableSubstitutionsForCapturedThis(); - return 1; + return { decorators: decorators }; + } + function transformAllDecoratorsOfDeclaration(node, allDecorators) { + if (!allDecorators) { + return undefined; } - var firstStatement; - var superCallExpression; - var ctorStatements = ctor.body.statements; - if (statementOffset < ctorStatements.length) { - firstStatement = ctorStatements[statementOffset]; - if (firstStatement.kind === 203 && ts.isSuperCall(firstStatement.expression)) { - var superCall = firstStatement.expression; - superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + var decoratorExpressions = []; + ts.addRange(decoratorExpressions, ts.map(allDecorators.decorators, transformDecorator)); + ts.addRange(decoratorExpressions, ts.flatMap(allDecorators.parameters, transformDecoratorsOfParameter)); + addTypeMetadata(node, decoratorExpressions); + return decoratorExpressions; + } + function addClassElementDecorationStatements(statements, node, isStatic) { + ts.addRange(statements, ts.map(generateClassElementDecorationExpressions(node, isStatic), expressionToStatement)); + } + function generateClassElementDecorationExpressions(node, isStatic) { + var members = getDecoratedClassElements(node, isStatic); + var expressions; + for (var _i = 0, members_2 = members; _i < members_2.length; _i++) { + var member = members_2[_i]; + var expression = generateClassElementDecorationExpression(node, member); + if (expression) { + if (!expressions) { + expressions = [expression]; + } + else { + expressions.push(expression); + } } } - if (superCallExpression && statementOffset === ctorStatements.length - 1) { - statements.push(ts.createReturn(superCallExpression)); - return 2; - } - captureThisForNode(statements, ctor, superCallExpression, firstStatement); - if (superCallExpression) { - return 1; + return expressions; + } + function generateClassElementDecorationExpression(node, member) { + var allDecorators = getAllDecoratorsOfClassElement(node, member); + var decoratorExpressions = transformAllDecoratorsOfDeclaration(member, allDecorators); + if (!decoratorExpressions) { + return undefined; } - return 0; + var prefix = getClassMemberPrefix(node, member); + var memberName = getExpressionForPropertyName(member, true); + var descriptor = languageVersion > 0 + ? member.kind === 146 + ? ts.createVoidZero() + : ts.createNull() + : undefined; + var helper = ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, prefix, memberName, descriptor, ts.moveRangePastDecorators(member)); + ts.setEmitFlags(helper, 49152); + return helper; } - function createDefaultSuperCallOrThis() { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128); - var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); - return ts.createLogicalOr(superCall, actualThis); + function addConstructorDecorationStatement(statements, node, decoratedClassAlias) { + var expression = generateConstructorDecorationExpression(node, decoratedClassAlias); + if (expression) { + statements.push(ts.setOriginalNode(ts.createStatement(expression), node)); + } } - function visitParameter(node) { - if (node.dotDotDotToken) { + function generateConstructorDecorationExpression(node, decoratedClassAlias) { + var allDecorators = getAllDecoratorsOfConstructor(node); + var decoratorExpressions = transformAllDecoratorsOfDeclaration(node, allDecorators); + if (!decoratorExpressions) { return undefined; } - else if (ts.isBindingPattern(node.name)) { - return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), undefined, node), node); - } - else if (node.initializer) { - return ts.setOriginalNode(ts.createParameter(node.name, undefined, node), node); + if (decoratedClassAlias) { + var expression = ts.createAssignment(decoratedClassAlias, ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node))); + var result = ts.createAssignment(getDeclarationName(node), expression, ts.moveRangePastDecorators(node)); + ts.setEmitFlags(result, 49152); + return result; } else { - return node; + var result = ts.createAssignment(getDeclarationName(node), ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node)), ts.moveRangePastDecorators(node)); + ts.setEmitFlags(result, 49152); + return result; } } - function shouldAddDefaultValueAssignments(node) { - return (node.transformFlags & 262144) !== 0; + function transformDecorator(decorator) { + return ts.visitNode(decorator.expression, visitor, ts.isExpression); } - function addDefaultValueAssignmentsIfNeeded(statements, node) { - if (!shouldAddDefaultValueAssignments(node)) { - return; - } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - var name_32 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; - if (dotDotDotToken) { - continue; - } - if (ts.isBindingPattern(name_32)) { - addDefaultValueAssignmentForBindingPattern(statements, parameter, name_32, initializer); - } - else if (initializer) { - addDefaultValueAssignmentForInitializer(statements, parameter, name_32, initializer); + function transformDecoratorsOfParameter(decorators, parameterOffset) { + var expressions; + if (decorators) { + expressions = []; + for (var _i = 0, decorators_1 = decorators; _i < decorators_1.length; _i++) { + var decorator = decorators_1[_i]; + var helper = ts.createParamHelper(currentSourceFileExternalHelpersModuleName, transformDecorator(decorator), parameterOffset, decorator.expression); + ts.setEmitFlags(helper, 49152); + expressions.push(helper); } } + return expressions; } - function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { - var temp = ts.getGeneratedNameForNode(parameter); - if (name.elements.length > 0) { - statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608)); - } - else if (initializer) { - statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608)); - } - } - function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { - initializer = ts.visitNode(initializer, visitor, ts.isExpression); - var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ - ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536), ts.setEmitFlags(initializer, 1536 | ts.getEmitFlags(initializer)), parameter)) - ], parameter), 32 | 1024 | 12288), undefined, parameter); - statement.startsOnNewLine = true; - ts.setEmitFlags(statement, 12288 | 1024 | 8388608); - statements.push(statement); - } - function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { - return node && node.dotDotDotToken && node.name.kind === 70 && !inConstructorWithSynthesizedSuper; - } - function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { - var parameter = ts.lastOrUndefined(node.parameters); - if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { - return; + function addTypeMetadata(node, decoratorExpressions) { + if (USE_NEW_TYPE_METADATA_FORMAT) { + addNewTypeMetadata(node, decoratorExpressions); } - var declarationName = ts.getMutableClone(parameter.name); - ts.setEmitFlags(declarationName, 1536); - var expressionName = ts.getSynthesizedClone(parameter.name); - var restIndex = node.parameters.length - 1; - var temp = ts.createLoopVariable(); - statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(declarationName, undefined, ts.createArrayLiteral([])) - ]), parameter), 8388608)); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(temp, undefined, ts.createLiteral(restIndex)) - ], parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), parameter), ts.createPostfixIncrement(temp, parameter), ts.createBlock([ - ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), parameter)) - ])); - ts.setEmitFlags(forStatement, 8388608); - ts.startOnNewLine(forStatement); - statements.push(forStatement); - } - function addCaptureThisForNodeIfNeeded(statements, node) { - if (node.transformFlags & 65536 && node.kind !== 181) { - captureThisForNode(statements, node, ts.createThis()); + else { + addOldTypeMetadata(node, decoratorExpressions); } } - function captureThisForNode(statements, node, initializer, originalStatement) { - enableSubstitutionsForCapturedThis(); - var captureThisStatement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("_this", undefined, initializer) - ]), originalStatement); - ts.setEmitFlags(captureThisStatement, 49152 | 8388608); - ts.setSourceMapRange(captureThisStatement, node); - statements.push(captureThisStatement); - } - function addClassMembers(statements, node) { - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - switch (member.kind) { - case 199: - statements.push(transformSemicolonClassElementToStatement(member)); - break; - case 148: - statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); - break; - case 150: - case 151: - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); - } - break; - case 149: - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; + function addOldTypeMetadata(node, decoratorExpressions) { + if (compilerOptions.emitDecoratorMetadata) { + if (shouldAddTypeMetadata(node)) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:type", serializeTypeOfNode(node))); + } + if (shouldAddParamTypesMetadata(node)) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:paramtypes", serializeParameterTypesOfNode(node))); + } + if (shouldAddReturnTypeMetadata(node)) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:returntype", serializeReturnTypeOfNode(node))); } } } - function transformSemicolonClassElementToStatement(member) { - return ts.createEmptyStatement(member); - } - function transformClassMethodDeclarationToStatement(receiver, member) { - var commentRange = ts.getCommentRange(member); - var sourceMapRange = ts.getSourceMapRange(member); - var func = transformFunctionLikeToExpression(member, member, undefined); - ts.setEmitFlags(func, 49152); - ts.setSourceMapRange(func, sourceMapRange); - var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), member.name), func), member); - ts.setOriginalNode(statement, member); - ts.setCommentRange(statement, commentRange); - ts.setEmitFlags(statement, 1536); - return statement; - } - function transformAccessorsToStatement(receiver, accessors) { - var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, false), ts.getSourceMapRange(accessors.firstAccessor)); - ts.setEmitFlags(statement, 49152); - return statement; - } - function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { - var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; - var target = ts.getMutableClone(receiver); - ts.setEmitFlags(target, 49152 | 1024); - ts.setSourceMapRange(target, firstAccessor.name); - var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); - ts.setEmitFlags(propertyName, 49152 | 512); - ts.setSourceMapRange(propertyName, firstAccessor.name); - var properties = []; - if (getAccessor) { - var getterFunction = transformFunctionLikeToExpression(getAccessor, undefined, undefined); - ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); - ts.setEmitFlags(getterFunction, 16384); - var getter = ts.createPropertyAssignment("get", getterFunction); - ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); - properties.push(getter); - } - if (setAccessor) { - var setterFunction = transformFunctionLikeToExpression(setAccessor, undefined, undefined); - ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); - ts.setEmitFlags(setterFunction, 16384); - var setter = ts.createPropertyAssignment("set", setterFunction); - ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); - properties.push(setter); - } - properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); - var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ - target, - propertyName, - ts.createObjectLiteral(properties, undefined, true) - ]); - if (startsOnNewLine) { - call.startsOnNewLine = true; + function addNewTypeMetadata(node, decoratorExpressions) { + if (compilerOptions.emitDecoratorMetadata) { + var properties = void 0; + if (shouldAddTypeMetadata(node)) { + (properties || (properties = [])).push(ts.createPropertyAssignment("type", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeTypeOfNode(node)))); + } + if (shouldAddParamTypesMetadata(node)) { + (properties || (properties = [])).push(ts.createPropertyAssignment("paramTypes", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeParameterTypesOfNode(node)))); + } + if (shouldAddReturnTypeMetadata(node)) { + (properties || (properties = [])).push(ts.createPropertyAssignment("returnType", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeReturnTypeOfNode(node)))); + } + if (properties) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:typeinfo", ts.createObjectLiteral(properties, undefined, true))); + } } - return call; } - function visitArrowFunction(node) { - if (node.transformFlags & 32768) { - enableSubstitutionsForCapturedThis(); - } - var func = transformFunctionLikeToExpression(node, node, undefined); - ts.setEmitFlags(func, 256); - return func; + function shouldAddTypeMetadata(node) { + var kind = node.kind; + return kind === 148 + || kind === 150 + || kind === 151 + || kind === 146; } - function visitFunctionExpression(node) { - return transformFunctionLikeToExpression(node, node, node.name); + function shouldAddReturnTypeMetadata(node) { + return node.kind === 148; } - function visitFunctionDeclaration(node) { - return ts.setOriginalNode(ts.createFunctionDeclaration(undefined, node.modifiers, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node), node); + function shouldAddParamTypesMetadata(node) { + var kind = node.kind; + return kind === 222 + || kind === 193 + || kind === 148 + || kind === 150 + || kind === 151; } - function transformFunctionLikeToExpression(node, location, name) { - var savedContainingNonArrowFunction = enclosingNonArrowFunction; - if (node.kind !== 181) { - enclosingNonArrowFunction = node; + function serializeTypeOfNode(node) { + switch (node.kind) { + case 146: + case 143: + case 150: + return serializeTypeNode(node.type); + case 151: + return serializeTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); + case 222: + case 193: + case 148: + return ts.createIdentifier("Function"); + default: + return ts.createVoidZero(); } - var expression = ts.setOriginalNode(ts.createFunctionExpression(undefined, node.asteriskToken, name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, saveStateAndInvoke(node, transformFunctionBody), location), node); - enclosingNonArrowFunction = savedContainingNonArrowFunction; - return expression; } - function transformFunctionBody(node) { - var multiLine = false; - var singleLine = false; - var statementsLocation; - var closeBraceLocation; - var statements = []; - var body = node.body; - var statementOffset; - startLexicalEnvironment(); - if (ts.isBlock(body)) { - statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); - } - addCaptureThisForNodeIfNeeded(statements, node); - addDefaultValueAssignmentsIfNeeded(statements, node); - addRestParameterIfNeeded(statements, node, false); - if (!multiLine && statements.length > 0) { - multiLine = true; + function getRestParameterElementType(node) { + if (node && node.kind === 161) { + return node.elementType; } - if (ts.isBlock(body)) { - statementsLocation = body.statements; - ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); - if (!multiLine && body.multiLine) { - multiLine = true; - } + else if (node && node.kind === 156) { + return ts.singleOrUndefined(node.typeArguments); } else { - ts.Debug.assert(node.kind === 181); - statementsLocation = ts.moveRangeEnd(body, -1); - var equalsGreaterThanToken = node.equalsGreaterThanToken; - if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { - if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { - singleLine = true; + return undefined; + } + } + function serializeParameterTypesOfNode(node) { + var valueDeclaration = ts.isClassLike(node) + ? ts.getFirstConstructorWithBody(node) + : ts.isFunctionLike(node) && ts.nodeIsPresent(node.body) + ? node + : undefined; + var expressions = []; + if (valueDeclaration) { + var parameters = valueDeclaration.parameters; + var numParameters = parameters.length; + for (var i = 0; i < numParameters; i++) { + var parameter = parameters[i]; + if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.text === "this") { + continue; + } + if (parameter.dotDotDotToken) { + expressions.push(serializeTypeNode(getRestParameterElementType(parameter.type))); } else { - multiLine = true; + expressions.push(serializeTypeOfNode(parameter)); } - } - var expression = ts.visitNode(body, visitor, ts.isExpression); - var returnStatement = ts.createReturn(expression, body); - ts.setEmitFlags(returnStatement, 12288 | 1024 | 32768); - statements.push(returnStatement); - closeBraceLocation = body; - } - var lexicalEnvironment = endLexicalEnvironment(); - ts.addRange(statements, lexicalEnvironment); - if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { - multiLine = true; - } - var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); - if (!multiLine && singleLine) { - ts.setEmitFlags(block, 32); - } - if (closeBraceLocation) { - ts.setTokenSourceMapRange(block, 17, closeBraceLocation); + } } - ts.setOriginalNode(block, node.body); - return block; + return ts.createArrayLiteral(expressions); } - function visitExpressionStatement(node) { - switch (node.expression.kind) { - case 179: - return ts.updateStatement(node, visitParenthesizedExpression(node.expression, false)); - case 188: - return ts.updateStatement(node, visitBinaryExpression(node.expression, false)); + function serializeReturnTypeOfNode(node) { + if (ts.isFunctionLike(node) && node.type) { + return serializeTypeNode(node.type); } - return ts.visitEachChild(node, visitor, context); - } - function visitParenthesizedExpression(node, needsDestructuringValue) { - if (needsDestructuringValue) { - switch (node.expression.kind) { - case 179: - return ts.createParen(visitParenthesizedExpression(node.expression, true), node); - case 188: - return ts.createParen(visitBinaryExpression(node.expression, true), node); - } + else if (ts.isAsyncFunctionLike(node)) { + return ts.createIdentifier("Promise"); } - return ts.visitEachChild(node, visitor, context); - } - function visitBinaryExpression(node, needsDestructuringValue) { - ts.Debug.assert(ts.isDestructuringAssignment(node)); - return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); + return ts.createVoidZero(); } - function visitVariableStatement(node) { - if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3) == 0) { - var assignments = void 0; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); - if (decl.initializer) { - var assignment = void 0; - if (ts.isBindingPattern(decl.name)) { - assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, undefined, visitor); + function serializeTypeNode(node) { + if (node === undefined) { + return ts.createIdentifier("Object"); + } + switch (node.kind) { + case 104: + return ts.createVoidZero(); + case 165: + return serializeTypeNode(node.type); + case 157: + case 158: + return ts.createIdentifier("Function"); + case 161: + case 162: + return ts.createIdentifier("Array"); + case 155: + case 121: + return ts.createIdentifier("Boolean"); + case 133: + return ts.createIdentifier("String"); + case 167: + switch (node.literal.kind) { + case 9: + return ts.createIdentifier("String"); + case 8: + return ts.createIdentifier("Number"); + case 100: + case 85: + return ts.createIdentifier("Boolean"); + default: + ts.Debug.failBadSyntaxKind(node.literal); + break; + } + break; + case 131: + return ts.createIdentifier("Number"); + case 134: + return languageVersion < 2 + ? getGlobalSymbolNameWithFallback() + : ts.createIdentifier("Symbol"); + case 156: + return serializeTypeReferenceNode(node); + case 164: + case 163: + { + var unionOrIntersection = node; + var serializedUnion = void 0; + for (var _i = 0, _a = unionOrIntersection.types; _i < _a.length; _i++) { + var typeNode = _a[_i]; + var serializedIndividual = serializeTypeNode(typeNode); + if (serializedIndividual.kind !== 70) { + serializedUnion = undefined; + break; + } + if (serializedIndividual.text === "Object") { + return serializedIndividual; + } + if (serializedUnion && serializedUnion.text !== serializedIndividual.text) { + serializedUnion = undefined; + break; + } + serializedUnion = serializedIndividual; } - else { - assignment = ts.createBinary(decl.name, 57, ts.visitNode(decl.initializer, visitor, ts.isExpression)); + if (serializedUnion) { + return serializedUnion; } - (assignments || (assignments = [])).push(assignment); } - } - if (assignments) { - return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25, acc); }), node); - } - else { - return undefined; - } - } - return ts.visitEachChild(node, visitor, context); - } - function visitVariableDeclarationList(node) { - if (node.flags & 3) { - enableSubstitutionsForBlockScopedBindings(); - } - var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 - ? visitVariableDeclarationInLetDeclarationList - : visitVariableDeclaration)); - var declarationList = ts.createVariableDeclarationList(declarations, node); - ts.setOriginalNode(declarationList, node); - ts.setCommentRange(declarationList, node); - if (node.transformFlags & 8388608 - && (ts.isBindingPattern(node.declarations[0].name) - || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { - var firstDeclaration = ts.firstOrUndefined(declarations); - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + case 159: + case 160: + case 118: + case 166: + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } - return declarationList; - } - function shouldEmitExplicitInitializerForLetDeclaration(node) { - var flags = resolver.getNodeCheckFlags(node); - var isCapturedInFunction = flags & 131072; - var isDeclaredInLoop = flags & 262144; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) - || (isCapturedInFunction - && isDeclaredInLoop - && ts.isBlock(enclosingBlockScopeContainer) - && ts.isIterationStatement(enclosingBlockScopeContainerParent, false)); - var emitExplicitInitializer = !emittedAsTopLevel - && enclosingBlockScopeContainer.kind !== 208 - && enclosingBlockScopeContainer.kind !== 209 - && (!resolver.isDeclarationWithCollidingName(node) - || (isDeclaredInLoop - && !isCapturedInFunction - && !ts.isIterationStatement(enclosingBlockScopeContainer, false))); - return emitExplicitInitializer; + return ts.createIdentifier("Object"); } - function visitVariableDeclarationInLetDeclarationList(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return visitVariableDeclaration(node); - } - if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { - var clone_5 = ts.getMutableClone(node); - clone_5.initializer = ts.createVoidZero(); - return clone_5; + function serializeTypeReferenceNode(node) { + switch (resolver.getTypeReferenceSerializationKind(node.typeName, currentScope)) { + case ts.TypeReferenceSerializationKind.Unknown: + var serialized = serializeEntityNameAsExpression(node.typeName, true); + var temp = ts.createTempVariable(hoistVariableDeclaration); + return ts.createLogicalOr(ts.createLogicalAnd(ts.createStrictEquality(ts.createTypeOf(ts.createAssignment(temp, serialized)), ts.createLiteral("function")), temp), ts.createIdentifier("Object")); + case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: + return serializeEntityNameAsExpression(node.typeName, false); + case ts.TypeReferenceSerializationKind.VoidNullableOrNeverType: + return ts.createVoidZero(); + case ts.TypeReferenceSerializationKind.BooleanType: + return ts.createIdentifier("Boolean"); + case ts.TypeReferenceSerializationKind.NumberLikeType: + return ts.createIdentifier("Number"); + case ts.TypeReferenceSerializationKind.StringLikeType: + return ts.createIdentifier("String"); + case ts.TypeReferenceSerializationKind.ArrayLikeType: + return ts.createIdentifier("Array"); + case ts.TypeReferenceSerializationKind.ESSymbolType: + return languageVersion < 2 + ? getGlobalSymbolNameWithFallback() + : ts.createIdentifier("Symbol"); + case ts.TypeReferenceSerializationKind.TypeWithCallSignature: + return ts.createIdentifier("Function"); + case ts.TypeReferenceSerializationKind.Promise: + return ts.createIdentifier("Promise"); + case ts.TypeReferenceSerializationKind.ObjectType: + default: + return ts.createIdentifier("Object"); } - return ts.visitEachChild(node, visitor, context); } - function visitVariableDeclaration(node) { - if (ts.isBindingPattern(node.name)) { - var recordTempVariablesInLine = !enclosingVariableStatement - || !ts.hasModifier(enclosingVariableStatement, 1); - return ts.flattenVariableDestructuring(node, undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); + function serializeEntityNameAsExpression(node, useFallback) { + switch (node.kind) { + case 70: + var name_30 = ts.getMutableClone(node); + name_30.flags &= ~8; + name_30.original = undefined; + name_30.parent = currentScope; + if (useFallback) { + return ts.createLogicalAnd(ts.createStrictInequality(ts.createTypeOf(name_30), ts.createLiteral("undefined")), name_30); + } + return name_30; + case 140: + return serializeQualifiedNameAsExpression(node, useFallback); } - return ts.visitEachChild(node, visitor, context); } - function visitLabeledStatement(node) { - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = ts.createMap(); - } - convertedLoopState.labels[node.label.text] = node.label.text; + function serializeQualifiedNameAsExpression(node, useFallback) { + var left; + if (node.left.kind === 70) { + left = serializeEntityNameAsExpression(node.left, useFallback); } - var result; - if (ts.isIterationStatement(node.statement, false) && shouldConvertIterationStatementBody(node.statement)) { - result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); + else if (useFallback) { + var temp = ts.createTempVariable(hoistVariableDeclaration); + left = ts.createLogicalAnd(ts.createAssignment(temp, serializeEntityNameAsExpression(node.left, true)), temp); } else { - result = ts.visitEachChild(node, visitor, context); - } - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; + left = serializeEntityNameAsExpression(node.left, false); } - return result; - } - function visitDoStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitWhileStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForInStatement(node) { - return convertIterationStatementBodyIfNecessary(node); + return ts.createPropertyAccess(left, node.right); } - function visitForOfStatement(node) { - return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + function getGlobalSymbolNameWithFallback() { + return ts.createConditional(ts.createStrictEquality(ts.createTypeOf(ts.createIdentifier("Symbol")), ts.createLiteral("function")), ts.createToken(54), ts.createIdentifier("Symbol"), ts.createToken(55), ts.createIdentifier("Object")); } - function convertForOfToFor(node, convertedLoopBodyStatements) { - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - var initializer = node.initializer; - var statements = []; - var counter = ts.createLoopVariable(); - var rhsReference = expression.kind === 70 - ? ts.createUniqueName(expression.text) - : ts.createTempVariable(undefined); - if (ts.isVariableDeclarationList(initializer)) { - if (initializer.flags & 3) { - enableSubstitutionsForBlockScopedBindings(); - } - var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); - if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { - var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); - var declarationList = ts.createVariableDeclarationList(declarations, initializer); - ts.setOriginalNode(declarationList, initializer); - var firstDeclaration = declarations[0]; - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); - statements.push(ts.createVariableStatement(undefined, declarationList)); - } - else { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(undefined), undefined, ts.createElementAccess(rhsReference, counter)) - ], ts.moveRangePos(initializer, -1)), ts.moveRangeEnd(initializer, -1))); - } - } - else { - var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); - if (ts.isDestructuringAssignment(assignment)) { - statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, false, hoistVariableDeclaration, visitor))); - } - else { - assignment.end = initializer.end; - statements.push(ts.createStatement(assignment, ts.moveRangeEnd(initializer, -1))); - } + function getExpressionForPropertyName(member, generateNameForComputedPropertyName) { + var name = member.name; + if (ts.isComputedPropertyName(name)) { + return generateNameForComputedPropertyName + ? ts.getGeneratedNameForNode(name) + : name.expression; } - var bodyLocation; - var statementsLocation; - if (convertedLoopBodyStatements) { - ts.addRange(statements, convertedLoopBodyStatements); + else if (ts.isIdentifier(name)) { + return ts.createLiteral(name.text); } else { - var statement = ts.visitNode(node.statement, visitor, ts.isStatement); - if (ts.isBlock(statement)) { - ts.addRange(statements, statement.statements); - bodyLocation = statement; - statementsLocation = statement.statements; - } - else { - statements.push(statement); - } + return ts.getSynthesizedClone(name); } - ts.setEmitFlags(expression, 1536 | ts.getEmitFlags(expression)); - var body = ts.createBlock(ts.createNodeArray(statements, statementsLocation), bodyLocation); - ts.setEmitFlags(body, 1536 | 12288); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(counter, undefined, ts.createLiteral(0), ts.moveRangePos(node.expression, -1)), - ts.createVariableDeclaration(rhsReference, undefined, expression, node.expression) - ], node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), node.expression), ts.createPostfixIncrement(counter, node.expression), body, node); - ts.setEmitFlags(forStatement, 8192); - return forStatement; } - function visitObjectLiteralExpression(node) { - var properties = node.properties; - var numProperties = properties.length; - var numInitialProperties = numProperties; - for (var i = 0; i < numProperties; i++) { - var property = properties[i]; - if (property.transformFlags & 16777216 - || property.name.kind === 141) { - numInitialProperties = i; - break; + function visitPropertyNameOfClassElement(member) { + var name = member.name; + if (ts.isComputedPropertyName(name)) { + var expression = ts.visitNode(name.expression, visitor, ts.isExpression); + if (member.decorators) { + var generatedName = ts.getGeneratedNameForNode(name); + hoistVariableDeclaration(generatedName); + expression = ts.createAssignment(generatedName, expression); } + return ts.setOriginalNode(ts.createComputedPropertyName(expression, name), name); } - ts.Debug.assert(numInitialProperties !== numProperties); - var temp = ts.createTempVariable(hoistVariableDeclaration); - var expressions = []; - var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, node.multiLine), 524288)); - if (node.multiLine) { - assignment.startsOnNewLine = true; + else { + return name; } - expressions.push(assignment); - addObjectLiteralMembers(expressions, node, temp, numInitialProperties); - expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); } - function shouldConvertIterationStatementBody(node) { - return (resolver.getNodeCheckFlags(node) & 65536) !== 0; - } - function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(node.name); - function visit(node) { - if (node.kind === 70) { - state.hoistedLocalVariables.push(node); - } - else { - for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - visit(element.name); - } - } - } + function visitHeritageClause(node) { + if (node.token === 84) { + var types = ts.visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments, 0, 1); + return ts.createHeritageClause(84, types, node); } + return undefined; } - function convertIterationStatementBodyIfNecessary(node, convert) { - if (!shouldConvertIterationStatementBody(node)) { - var saveAllowedNonLabeledJumps = void 0; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 | 4; - } - var result = convert ? convert(node, undefined) : ts.visitEachChild(node, visitor, context); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - return result; - } - var functionName = ts.createUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 207: - case 208: - case 209: - var initializer = node.initializer; - if (initializer && initializer.kind === 220) { - loopInitializer = initializer; - } - break; + function visitExpressionWithTypeArguments(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); + return ts.createExpressionWithTypeArguments(undefined, expression, node); + } + function shouldEmitFunctionLikeDeclaration(node) { + return !ts.nodeIsMissing(node.body); + } + function visitConstructor(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return undefined; } - var loopParameters = []; - var loopOutParameters = []; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3)) { - for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); - } + return ts.visitEachChild(node, visitor, context); + } + function visitMethodDeclaration(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return undefined; } - var outerConvertedLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (outerConvertedLoopState) { - if (outerConvertedLoopState.argumentsName) { - convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; - } - if (outerConvertedLoopState.thisName) { - convertedLoopState.thisName = outerConvertedLoopState.thisName; - } - if (outerConvertedLoopState.hoistedLocalVariables) { - convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; - } + var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, visitPropertyNameOfClassElement(node), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setCommentRange(method, node); + ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(method, node); + return method; + } + function shouldEmitAccessorDeclaration(node) { + return !(ts.nodeIsMissing(node.body) && ts.hasModifier(node, 128)); + } + function visitGetAccessor(node) { + if (!shouldEmitAccessorDeclaration(node)) { + return undefined; } - var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); - var currentState = convertedLoopState; - convertedLoopState = outerConvertedLoopState; - if (loopOutParameters.length) { - var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; - copyOutParameters(loopOutParameters, 1, statements_3); - loopBody = ts.createBlock(statements_3, undefined, true); + var accessor = ts.createGetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); + ts.setCommentRange(accessor, node); + ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(accessor, node); + return accessor; + } + function visitSetAccessor(node) { + if (!shouldEmitAccessorDeclaration(node)) { + return undefined; } - if (!ts.isBlock(loopBody)) { - loopBody = ts.createBlock([loopBody], undefined, true); + var accessor = ts.createSetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); + ts.setCommentRange(accessor, node); + ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(accessor, node); + return accessor; + } + function visitFunctionDeclaration(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return ts.createNotEmittedStatement(node); } - var isAsyncBlockContainingAwait = enclosingNonArrowFunction - && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152) !== 0 - && (node.statement.transformFlags & 16777216) !== 0; - var loopBodyFlags = 0; - if (currentState.containsLexicalThis) { - loopBodyFlags |= 256; + var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + if (isNamespaceExport(node)) { + var statements = [func]; + addExportMemberAssignment(statements, node); + return statements; } - if (isAsyncBlockContainingAwait) { - loopBodyFlags |= 2097152; + return func; + } + function visitFunctionExpression(node) { + if (ts.nodeIsMissing(node.body)) { + return ts.createOmittedExpression(); } - var convertedLoopVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(functionName, undefined, ts.setEmitFlags(ts.createFunctionExpression(undefined, isAsyncBlockContainingAwait ? ts.createToken(38) : undefined, undefined, undefined, loopParameters, undefined, loopBody), loopBodyFlags)) - ])); - var statements = [convertedLoopVariable]; - var extraVariableDeclarations; - if (currentState.argumentsName) { - if (outerConvertedLoopState) { - outerConvertedLoopState.argumentsName = currentState.argumentsName; - } - else { - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, undefined, ts.createIdentifier("arguments"))); - } + var func = ts.createFunctionExpression(ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; + } + function visitArrowFunction(node) { + var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); + ts.setOriginalNode(func, node); + return func; + } + function transformFunctionBody(node) { + return transformFunctionBodyWorker(node.body); + } + function transformFunctionBodyWorker(body, start) { + if (start === void 0) { start = 0; } + var savedCurrentScope = currentScope; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; + currentScope = body; + currentScopeFirstDeclarationsOfName = ts.createMap(); + startLexicalEnvironment(); + var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); + var visited = ts.updateBlock(body, statements); + var declarations = endLexicalEnvironment(); + currentScope = savedCurrentScope; + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + } + function transformConciseBody(node) { + return transformConciseBodyWorker(node.body, false); + } + function transformConciseBodyWorker(body, forceBlockFunctionBody) { + if (ts.isBlock(body)) { + return transformFunctionBodyWorker(body); } - if (currentState.thisName) { - if (outerConvertedLoopState) { - outerConvertedLoopState.thisName = currentState.thisName; + else { + startLexicalEnvironment(); + var visited = ts.visitNode(body, visitor, ts.isConciseBody); + var declarations = endLexicalEnvironment(); + var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (forceBlockFunctionBody && !ts.isBlock(merged)) { + return ts.createBlock([ + ts.createReturn(merged) + ]); } else { - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, undefined, ts.createIdentifier("this"))); + return merged; } } - if (currentState.hoistedLocalVariables) { - if (outerConvertedLoopState) { - outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; - } - else { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { - var identifier = _c[_b]; - extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); - } - } + } + function visitParameter(node) { + if (ts.parameterIsThisKeyword(node)) { + return undefined; } - if (loopOutParameters.length) { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { - var outParam = loopOutParameters_1[_d]; - extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); + var parameter = ts.createParameterDeclaration(undefined, undefined, node.dotDotDotToken, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, undefined, ts.visitNode(node.initializer, visitor, ts.isExpression), ts.moveRangePastModifiers(node)); + ts.setOriginalNode(parameter, node); + ts.setCommentRange(parameter, node); + ts.setSourceMapRange(parameter, ts.moveRangePastModifiers(node)); + ts.setEmitFlags(parameter.name, 1024); + return parameter; + } + function visitVariableStatement(node) { + if (isNamespaceExport(node)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; } + return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); } - if (extraVariableDeclarations) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); + else { + return ts.visitEachChild(node, visitor, context); } - var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); - var loop; - if (convert) { - loop = convert(node, convertedLoopBodyStatements); + } + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getNamespaceMemberNameWithSourceMapsAndWithoutComments, visitor); } else { - loop = ts.getMutableClone(node); - loop.statement = undefined; - loop = ts.visitEachChild(loop, visitor, context); - loop.statement = ts.createBlock(convertedLoopBodyStatements, undefined, true); - loop.transformFlags = 0; - ts.aggregateTransformFlags(loop); + return ts.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(name), ts.visitNode(node.initializer, visitor, ts.isExpression), node); } - statements.push(currentParent.kind === 215 - ? ts.createLabel(currentParent.label, loop) - : loop); - return statements; } - function copyOutParameter(outParam, copyDirection) { - var source = copyDirection === 0 ? outParam.outParamName : outParam.originalName; - var target = copyDirection === 0 ? outParam.originalName : outParam.outParamName; - return ts.createBinary(target, 57, source); + function visitVariableDeclaration(node) { + return ts.updateVariableDeclaration(node, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, ts.visitNode(node.initializer, visitor, ts.isExpression)); } - function copyOutParameters(outParams, copyDirection, statements) { - for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { - var outParam = outParams_1[_i]; - statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); + function visitParenthesizedExpression(node) { + var innerExpression = ts.skipOuterExpressions(node.expression, ~2); + if (ts.isAssertionExpression(innerExpression)) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + return ts.createPartiallyEmittedExpression(expression, node); } + return ts.visitEachChild(node, visitor, context); } - function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { - var outerConvertedLoopState = convertedLoopState; - var statements = []; - var isSimpleLoop = !(state.nonLocalJumps & ~4) && - !state.labeledNonLocalBreaks && - !state.labeledNonLocalContinues; - var call = ts.createCall(loopFunctionExpressionName, undefined, ts.map(parameters, function (p) { return p.name; })); - var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38), call) : call; - if (isSimpleLoop) { - statements.push(ts.createStatement(callResult)); - copyOutParameters(state.loopOutParameters, 0, statements); + function visitAssertionExpression(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + return ts.createPartiallyEmittedExpression(expression, node); + } + function visitNonNullExpression(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); + return ts.createPartiallyEmittedExpression(expression, node); + } + function visitCallExpression(node) { + return ts.updateCall(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + } + function visitNewExpression(node) { + return ts.updateNew(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + } + function shouldEmitEnumDeclaration(node) { + return !ts.isConst(node) + || compilerOptions.preserveConstEnums + || compilerOptions.isolatedModules; + } + function shouldEmitVarForEnumDeclaration(node) { + return isFirstEmittedDeclarationInScope(node) + && (!ts.hasModifier(node, 1) + || isES6ExportedDeclaration(node)); + } + function addVarForEnumExportedFromNamespace(statements, node) { + var statement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, getExportName(node))]); + ts.setSourceMapRange(statement, node); + statements.push(statement); + } + function visitEnumDeclaration(node) { + if (!shouldEmitEnumDeclaration(node)) { + return undefined; } - else { - var loopResultName = ts.createUniqueName("state"); - var stateVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, undefined, callResult)])); - statements.push(stateVariable); - copyOutParameters(state.loopOutParameters, 0, statements); - if (state.nonLocalJumps & 8) { - var returnStatement = void 0; - if (outerConvertedLoopState) { - outerConvertedLoopState.nonLocalJumps |= 8; - returnStatement = ts.createReturn(loopResultName); - } - else { - returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); - } - statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33, ts.createLiteral("object")), returnStatement)); - } - if (state.nonLocalJumps & 2) { - statements.push(ts.createIf(ts.createBinary(loopResultName, 33, ts.createLiteral("break")), ts.createBreak())); - } - if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { - var caseClauses = []; - processLabeledJumps(state.labeledNonLocalBreaks, true, loopResultName, outerConvertedLoopState, caseClauses); - processLabeledJumps(state.labeledNonLocalContinues, false, loopResultName, outerConvertedLoopState, caseClauses); - statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + var statements = []; + var emitFlags = 64; + recordEmittedDeclarationInScope(node); + if (shouldEmitVarForEnumDeclaration(node)) { + addVarForEnumOrModuleDeclaration(statements, node); + if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { + emitFlags |= 16384; } } + var parameterName = getNamespaceParameterName(node); + var containerName = getNamespaceContainerName(node); + var exportName = getExportName(node); + var enumStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformEnumBody(node, containerName)), undefined, [ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral()))]), node); + ts.setOriginalNode(enumStatement, node); + ts.setEmitFlags(enumStatement, emitFlags); + statements.push(enumStatement); + if (isNamespaceExport(node)) { + addVarForEnumExportedFromNamespace(statements, node); + } return statements; } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = ts.createMap(); - } - state.labeledNonLocalBreaks[labelText] = labelMarker; + function transformEnumBody(node, localName) { + var savedCurrentNamespaceLocalName = currentNamespaceContainerName; + currentNamespaceContainerName = localName; + var statements = []; + startLexicalEnvironment(); + ts.addRange(statements, ts.map(node.members, transformEnumMember)); + ts.addRange(statements, endLexicalEnvironment()); + currentNamespaceContainerName = savedCurrentNamespaceLocalName; + return ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); + } + function transformEnumMember(member) { + var name = getExpressionForPropertyName(member, false); + return ts.createStatement(ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, name), transformEnumMemberDeclarationValue(member))), name, member), member); + } + function transformEnumMemberDeclarationValue(member) { + var value = resolver.getConstantValue(member); + if (value !== undefined) { + return ts.createLiteral(value); } else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = ts.createMap(); + enableSubstitutionForNonQualifiedEnumMembers(); + if (member.initializer) { + return ts.visitNode(member.initializer, visitor, ts.isExpression); + } + else { + return ts.createVoidZero(); } - state.labeledNonLocalContinues[labelText] = labelMarker; } } - function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { - if (!table) { - return; - } - for (var labelText in table) { - var labelMarker = table[labelText]; - var statements = []; - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - var label = ts.createIdentifier(labelText); - statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); + function shouldEmitModuleDeclaration(node) { + return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); + } + function isES6ExportedDeclaration(node) { + return isExternalModuleExport(node) + && moduleKind === ts.ModuleKind.ES2015; + } + function recordEmittedDeclarationInScope(node) { + var name = node.symbol && node.symbol.name; + if (name) { + if (!currentScopeFirstDeclarationsOfName) { + currentScopeFirstDeclarationsOfName = ts.createMap(); } - else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - statements.push(ts.createReturn(loopResultName)); + if (!(name in currentScopeFirstDeclarationsOfName)) { + currentScopeFirstDeclarationsOfName[name] = node; } - caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } } - function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { - var name = decl.name; - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - processLoopVariableDeclaration(element, loopParameters, loopOutParameters); - } + function isFirstEmittedDeclarationInScope(node) { + if (currentScopeFirstDeclarationsOfName) { + var name_31 = node.symbol && node.symbol.name; + if (name_31) { + return currentScopeFirstDeclarationsOfName[name_31] === node; } } + return false; + } + function shouldEmitVarForModuleDeclaration(node) { + return isFirstEmittedDeclarationInScope(node); + } + function addVarForEnumOrModuleDeclaration(statements, node) { + var statement = ts.createVariableStatement(isES6ExportedDeclaration(node) + ? ts.visitNodes(node.modifiers, visitor, ts.isModifier) + : undefined, [ + ts.createVariableDeclaration(getDeclarationName(node, false, true)) + ]); + ts.setOriginalNode(statement, node); + if (node.kind === 225) { + ts.setSourceMapRange(statement.declarationList, node); + } else { - loopParameters.push(ts.createParameter(name)); - if (resolver.getNodeCheckFlags(decl) & 2097152) { - var outParamName = ts.createUniqueName("out_" + name.text); - loopOutParameters.push({ originalName: name, outParamName: outParamName }); + ts.setSourceMapRange(statement, node); + } + ts.setCommentRange(statement, node); + ts.setEmitFlags(statement, 32768); + statements.push(statement); + } + function visitModuleDeclaration(node) { + if (!shouldEmitModuleDeclaration(node)) { + return ts.createNotEmittedStatement(node); + } + ts.Debug.assert(ts.isIdentifier(node.name), "TypeScript module should have an Identifier name."); + enableSubstitutionForNamespaceExports(); + var statements = []; + var emitFlags = 64; + recordEmittedDeclarationInScope(node); + if (shouldEmitVarForModuleDeclaration(node)) { + addVarForEnumOrModuleDeclaration(statements, node); + if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { + emitFlags |= 16384; } } + var parameterName = getNamespaceParameterName(node); + var containerName = getNamespaceContainerName(node); + var exportName = getExportName(node); + var moduleArg = ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral())); + if (ts.hasModifier(node, 1) && !isES6ExportedDeclaration(node)) { + var localName = getLocalName(node); + moduleArg = ts.createAssignment(localName, moduleArg); + } + var moduleStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformModuleBody(node, containerName)), undefined, [moduleArg]), node); + ts.setOriginalNode(moduleStatement, node); + ts.setEmitFlags(moduleStatement, emitFlags); + statements.push(moduleStatement); + return statements; } - function addObjectLiteralMembers(expressions, node, receiver, start) { - var properties = node.properties; - var numProperties = properties.length; - for (var i = start; i < numProperties; i++) { - var property = properties[i]; - switch (property.kind) { - case 150: - case 151: - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property === accessors.firstAccessor) { - expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); - } - break; - case 253: - expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 254: - expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 148: - expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; + function transformModuleBody(node, namespaceLocalName) { + var savedCurrentNamespaceContainerName = currentNamespaceContainerName; + var savedCurrentNamespace = currentNamespace; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; + currentNamespaceContainerName = namespaceLocalName; + currentNamespace = node; + currentScopeFirstDeclarationsOfName = undefined; + var statements = []; + startLexicalEnvironment(); + var statementsLocation; + var blockLocation; + var body = node.body; + if (body.kind === 227) { + ts.addRange(statements, ts.visitNodes(body.statements, namespaceElementVisitor, ts.isStatement)); + statementsLocation = body.statements; + blockLocation = body; + } + else { + var result = visitModuleDeclaration(body); + if (result) { + if (ts.isArray(result)) { + ts.addRange(statements, result); + } + else { + statements.push(result); + } } + var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; + statementsLocation = ts.moveRangePos(moduleBlock.statements, -1); + } + ts.addRange(statements, endLexicalEnvironment()); + currentNamespaceContainerName = savedCurrentNamespaceContainerName; + currentNamespace = savedCurrentNamespace; + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), blockLocation, true); + if (body.kind !== 227) { + ts.setEmitFlags(block, ts.getEmitFlags(block) | 49152); } + return block; } - function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { + if (moduleDeclaration.body.kind === 226) { + var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); + return recursiveInnerModule || moduleDeclaration.body; } - return expression; } - function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitImportDeclaration(node) { + if (!node.importClause) { + return node; } - return expression; + var importClause = ts.visitNode(node.importClause, visitImportClause, ts.isImportClause, true); + return importClause + ? ts.updateImportDeclaration(node, undefined, undefined, importClause, node.moduleSpecifier) + : undefined; } - function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, method, undefined), method); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitImportClause(node) { + var name = resolver.isReferencedAliasDeclaration(node) ? node.name : undefined; + var namedBindings = ts.visitNode(node.namedBindings, visitNamedImportBindings, ts.isNamedImportBindings, true); + return (name || namedBindings) ? ts.updateImportClause(node, name, namedBindings) : undefined; + } + function visitNamedImportBindings(node) { + if (node.kind === 233) { + return resolver.isReferencedAliasDeclaration(node) ? node : undefined; + } + else { + var elements = ts.visitNodes(node.elements, visitImportSpecifier, ts.isImportSpecifier); + return ts.some(elements) ? ts.updateNamedImports(node, elements) : undefined; } - return expression; } - function visitMethodDeclaration(node) { - ts.Debug.assert(!ts.isComputedPropertyName(node.name)); - var functionExpression = transformFunctionLikeToExpression(node, ts.moveRangePos(node, -1), undefined); - ts.setEmitFlags(functionExpression, 16384 | ts.getEmitFlags(functionExpression)); - return ts.createPropertyAssignment(node.name, functionExpression, node); + function visitImportSpecifier(node) { + return resolver.isReferencedAliasDeclaration(node) ? node : undefined; } - function visitShorthandPropertyAssignment(node) { - return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), node); + function visitExportAssignment(node) { + return resolver.isValueAliasDeclaration(node) + ? ts.visitEachChild(node, visitor, context) + : undefined; } - function visitYieldExpression(node) { - return ts.visitEachChild(node, visitor, context); + function visitExportDeclaration(node) { + if (!node.exportClause) { + return resolver.moduleExportsSomeValue(node.moduleSpecifier) ? node : undefined; + } + if (!resolver.isValueAliasDeclaration(node)) { + return undefined; + } + var exportClause = ts.visitNode(node.exportClause, visitNamedExports, ts.isNamedExports, true); + return exportClause + ? ts.updateExportDeclaration(node, undefined, undefined, exportClause, node.moduleSpecifier) + : undefined; } - function visitArrayLiteralExpression(node) { - return transformAndSpreadElements(node.elements, true, node.multiLine, node.elements.hasTrailingComma); + function visitNamedExports(node) { + var elements = ts.visitNodes(node.elements, visitExportSpecifier, ts.isExportSpecifier); + return ts.some(elements) ? ts.updateNamedExports(node, elements) : undefined; } - function visitCallExpression(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, true); + function visitExportSpecifier(node) { + return resolver.isValueAliasDeclaration(node) ? node : undefined; } - function visitImmediateSuperCallInBody(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, false); + function shouldEmitImportEqualsDeclaration(node) { + return resolver.isReferencedAliasDeclaration(node) + || (!ts.isExternalModule(currentSourceFile) + && resolver.isTopLevelValueImportEqualsWithEntityName(node)); } - function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - if (node.expression.kind === 96) { - ts.setEmitFlags(thisArg, 128); + function visitImportEqualsDeclaration(node) { + if (ts.isExternalModuleImportEqualsDeclaration(node)) { + return resolver.isReferencedAliasDeclaration(node) + ? ts.visitEachChild(node, visitor, context) + : undefined; } - var resultingCall; - if (node.transformFlags & 1048576) { - resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, false, false, false)); + if (!shouldEmitImportEqualsDeclaration(node)) { + return undefined; } - else { - resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), node); + var moduleReference = ts.createExpressionFromEntityName(node.moduleReference); + ts.setEmitFlags(moduleReference, 49152 | 65536); + if (isNamedExternalModuleExport(node) || !isNamespaceExport(node)) { + return ts.setOriginalNode(ts.createVariableStatement(ts.visitNodes(node.modifiers, visitor, ts.isModifier), ts.createVariableDeclarationList([ + ts.createVariableDeclaration(node.name, undefined, moduleReference) + ]), node), node); } - if (node.expression.kind === 96) { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128); - var initializer = ts.createLogicalOr(resultingCall, actualThis); - return assignToCapturedThis - ? ts.createAssignment(ts.createIdentifier("_this"), initializer) - : initializer; + else { + return ts.setOriginalNode(createNamespaceExport(node.name, moduleReference, node), node); } - return resultingCall; - } - function visitNewExpression(node) { - ts.Debug.assert((node.transformFlags & 1048576) !== 0); - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), false, false, false)), undefined, []); } - function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { - var numElements = elements.length; - var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { - return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); - })); - if (segments.length === 1) { - var firstElement = elements[0]; - return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 - ? ts.createArraySlice(segments[0]) - : segments[0]; - } - return ts.createArrayConcat(segments.shift(), segments); + function isNamespaceExport(node) { + return currentNamespace !== undefined && ts.hasModifier(node, 1); } - function partitionSpreadElement(node) { - return ts.isSpreadElementExpression(node) - ? visitSpanOfSpreadElements - : visitSpanOfNonSpreadElements; + function isExternalModuleExport(node) { + return currentNamespace === undefined && ts.hasModifier(node, 1); } - function visitSpanOfSpreadElements(chunk) { - return ts.map(chunk, visitExpressionOfSpreadElement); + function isNamedExternalModuleExport(node) { + return isExternalModuleExport(node) + && !ts.hasModifier(node, 512); } - function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { - return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, undefined, hasTrailingComma), visitor, ts.isExpression), undefined, multiLine); + function isDefaultExternalModuleExport(node) { + return isExternalModuleExport(node) + && ts.hasModifier(node, 512); } - function visitExpressionOfSpreadElement(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function expressionToStatement(expression) { + return ts.createStatement(expression, undefined); } - function visitTemplateLiteral(node) { - return ts.createLiteral(node.text, node); + function addExportMemberAssignment(statements, node) { + var expression = ts.createAssignment(getExportName(node), getLocalName(node, true)); + ts.setSourceMapRange(expression, ts.createRange(node.name.pos, node.end)); + var statement = ts.createStatement(expression); + ts.setSourceMapRange(statement, ts.createRange(-1, node.end)); + statements.push(statement); } - function visitTaggedTemplateExpression(node) { - var tag = ts.visitNode(node.tag, visitor, ts.isExpression); - var temp = ts.createTempVariable(hoistVariableDeclaration); - var templateArguments = [temp]; - var cookedStrings = []; - var rawStrings = []; - var template = node.template; - if (ts.isNoSubstitutionTemplateLiteral(template)) { - cookedStrings.push(ts.createLiteral(template.text)); - rawStrings.push(getRawLiteral(template)); + function createNamespaceExport(exportName, exportValue, location) { + return ts.createStatement(ts.createAssignment(getNamespaceMemberName(exportName, false, true), exportValue), location); + } + function createExternalModuleExport(exportName) { + return ts.createExportDeclaration(undefined, undefined, ts.createNamedExports([ + ts.createExportSpecifier(exportName) + ])); + } + function getNamespaceMemberName(name, allowComments, allowSourceMaps) { + var qualifiedName = ts.createPropertyAccess(currentNamespaceContainerName, ts.getSynthesizedClone(name), name); + var emitFlags; + if (!allowComments) { + emitFlags |= 49152; } - else { - cookedStrings.push(ts.createLiteral(template.head.text)); - rawStrings.push(getRawLiteral(template.head)); - for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { - var templateSpan = _a[_i]; - cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); - rawStrings.push(getRawLiteral(templateSpan.literal)); - templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); - } + if (!allowSourceMaps) { + emitFlags |= 1536; } - return ts.createParen(ts.inlineExpressions([ - ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), - ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), - ts.createCall(tag, undefined, templateArguments) - ])); + if (emitFlags) { + ts.setEmitFlags(qualifiedName, emitFlags); + } + return qualifiedName; } - function getRawLiteral(node) { - var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); - var isLast = node.kind === 12 || node.kind === 15; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - text = text.replace(/\r\n?/g, "\n"); - return ts.createLiteral(text, node); + function getNamespaceMemberNameWithSourceMapsAndWithoutComments(name) { + return getNamespaceMemberName(name, false, true); } - function visitTemplateExpression(node) { - var expressions = []; - addTemplateHead(expressions, node); - addTemplateSpans(expressions, node); - var expression = ts.reduceLeft(expressions, ts.createAdd); - if (ts.nodeIsSynthesized(expression)) { - ts.setTextRange(expression, node); - } - return expression; + function getNamespaceParameterName(node) { + var name = ts.getGeneratedNameForNode(node); + ts.setSourceMapRange(name, node.name); + return name; } - function shouldAddTemplateHead(node) { - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + function getNamespaceContainerName(node) { + return ts.getGeneratedNameForNode(node); } - function addTemplateHead(expressions, node) { - if (!shouldAddTemplateHead(node)) { - return; + function getLocalName(node, noSourceMaps, allowComments) { + return getDeclarationName(node, allowComments, !noSourceMaps, 262144); + } + function getExportName(node, noSourceMaps, allowComments) { + if (isNamespaceExport(node)) { + return getNamespaceMemberName(getDeclarationName(node), allowComments, !noSourceMaps); } - expressions.push(ts.createLiteral(node.head.text)); + return getDeclarationName(node, allowComments, !noSourceMaps, 131072); } - function addTemplateSpans(expressions, node) { - for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { - var span_6 = _a[_i]; - expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); - if (span_6.literal.text.length !== 0) { - expressions.push(ts.createLiteral(span_6.literal.text)); + function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { + if (node.name) { + var name_32 = ts.getMutableClone(node.name); + emitFlags |= ts.getEmitFlags(node.name); + if (!allowSourceMaps) { + emitFlags |= 1536; + } + if (!allowComments) { + emitFlags |= 49152; } + if (emitFlags) { + ts.setEmitFlags(name_32, emitFlags); + } + return name_32; + } + else { + return ts.getGeneratedNameForNode(node); } } - function visitSuperKeyword() { - return enclosingNonAsyncFunctionBody - && ts.isClassElement(enclosingNonAsyncFunctionBody) - && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32) - && currentParent.kind !== 175 - ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") - : ts.createIdentifier("_super"); + function getClassPrototype(node) { + return ts.createPropertyAccess(getDeclarationName(node), "prototype"); } - function visitSourceFileNode(node) { - var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; - var statements = []; - startLexicalEnvironment(); - ts.addRange(statements, prologue); - addCaptureThisForNodeIfNeeded(statements, node); - ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); - ts.addRange(statements, endLexicalEnvironment()); - var clone = ts.getMutableClone(node); - clone.statements = ts.createNodeArray(statements, node.statements); - return clone; + function getClassMemberPrefix(node, member) { + return ts.hasModifier(member, 32) + ? getDeclarationName(node) + : getClassPrototype(node); } - function onEmitNode(emitContext, node, emitCallback) { - var savedEnclosingFunction = enclosingFunction; - if (enabledSubstitutions & 1 && ts.isFunctionLike(node)) { - enclosingFunction = node; + function enableSubstitutionForNonQualifiedEnumMembers() { + if ((enabledSubstitutions & 8) === 0) { + enabledSubstitutions |= 8; + context.enableSubstitution(70); } - previousOnEmitNode(emitContext, node, emitCallback); - enclosingFunction = savedEnclosingFunction; } - function enableSubstitutionsForBlockScopedBindings() { + function enableSubstitutionForClassAliases() { + if ((enabledSubstitutions & 1) === 0) { + enabledSubstitutions |= 1; + context.enableSubstitution(70); + classAliases = ts.createMap(); + } + } + function enableSubstitutionForNamespaceExports() { if ((enabledSubstitutions & 2) === 0) { enabledSubstitutions |= 2; context.enableSubstitution(70); + context.enableSubstitution(254); + context.enableEmitNotification(226); } } - function enableSubstitutionsForCapturedThis() { - if ((enabledSubstitutions & 1) === 0) { - enabledSubstitutions |= 1; - context.enableSubstitution(98); - context.enableEmitNotification(149); - context.enableEmitNotification(148); - context.enableEmitNotification(150); - context.enableEmitNotification(151); - context.enableEmitNotification(181); - context.enableEmitNotification(180); - context.enableEmitNotification(221); + function isTransformedModuleDeclaration(node) { + return ts.getOriginalNode(node).kind === 226; + } + function isTransformedEnumDeclaration(node) { + return ts.getOriginalNode(node).kind === 225; + } + function onEmitNode(emitContext, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + if (enabledSubstitutions & 2 && isTransformedModuleDeclaration(node)) { + applicableSubstitutions |= 2; + } + if (enabledSubstitutions & 8 && isTransformedEnumDeclaration(node)) { + applicableSubstitutions |= 8; } + previousOnEmitNode(emitContext, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; } function onSubstituteNode(emitContext, node) { node = previousOnSubstituteNode(emitContext, node); if (emitContext === 1) { return substituteExpression(node); } - if (ts.isIdentifier(node)) { - return substituteIdentifier(node); + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); } return node; } - function substituteIdentifier(node) { + function substituteShorthandPropertyAssignment(node) { if (enabledSubstitutions & 2) { - var original = ts.getParseTreeNode(node, ts.isIdentifier); - if (original && isNameOfDeclarationWithCollidingName(original)) { - return ts.getGeneratedNameForNode(original); + var name_33 = node.name; + var exportedName = trySubstituteNamespaceExportedName(name_33); + if (exportedName) { + if (node.objectAssignmentInitializer) { + var initializer = ts.createAssignment(exportedName, node.objectAssignmentInitializer); + return ts.createPropertyAssignment(name_33, initializer, node); + } + return ts.createPropertyAssignment(name_33, exportedName, node); } } return node; } - function isNameOfDeclarationWithCollidingName(node) { - var parent = node.parent; - switch (parent.kind) { - case 170: - case 222: - case 225: - case 219: - return parent.name === node - && resolver.isDeclarationWithCollidingName(parent); - } - return false; - } function substituteExpression(node) { switch (node.kind) { case 70: return substituteExpressionIdentifier(node); - case 98: - return substituteThisKeyword(node); + case 173: + return substitutePropertyAccessExpression(node); + case 174: + return substituteElementAccessExpression(node); } return node; } function substituteExpressionIdentifier(node) { - if (enabledSubstitutions & 2) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - return ts.getGeneratedNameForNode(declaration.name); + return trySubstituteClassAlias(node) + || trySubstituteNamespaceExportedName(node) + || node; + } + function trySubstituteClassAlias(node) { + if (enabledSubstitutions & 1) { + if (resolver.getNodeCheckFlags(node) & 16777216) { + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = classAliases[declaration.id]; + if (classAlias) { + var clone_4 = ts.getSynthesizedClone(classAlias); + ts.setSourceMapRange(clone_4, node); + ts.setCommentRange(clone_4, node); + return clone_4; + } + } } } - return node; + return undefined; } - function substituteThisKeyword(node) { - if (enabledSubstitutions & 1 - && enclosingFunction - && ts.getEmitFlags(enclosingFunction) & 256) { - return ts.createIdentifier("_this", node); + function trySubstituteNamespaceExportedName(node) { + if (enabledSubstitutions & applicableSubstitutions && (ts.getEmitFlags(node) & 262144) === 0) { + var container = resolver.getReferencedExportContainer(node, false); + if (container) { + var substitute = (applicableSubstitutions & 2 && container.kind === 226) || + (applicableSubstitutions & 8 && container.kind === 225); + if (substitute) { + return ts.createPropertyAccess(ts.getGeneratedNameForNode(container), node, node); + } + } } - return node; + return undefined; } - function getLocalName(node, allowComments, allowSourceMaps) { - return getDeclarationName(node, allowComments, allowSourceMaps, 262144); + function substitutePropertyAccessExpression(node) { + return substituteConstantValue(node); } - function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { - if (node.name && !ts.isGeneratedIdentifier(node.name)) { - var name_33 = ts.getMutableClone(node.name); - emitFlags |= ts.getEmitFlags(node.name); - if (!allowSourceMaps) { - emitFlags |= 1536; - } - if (!allowComments) { - emitFlags |= 49152; - } - if (emitFlags) { - ts.setEmitFlags(name_33, emitFlags); + function substituteElementAccessExpression(node) { + return substituteConstantValue(node); + } + function substituteConstantValue(node) { + var constantValue = tryGetConstEnumValue(node); + if (constantValue !== undefined) { + var substitute = ts.createLiteral(constantValue); + ts.setSourceMapRange(substitute, node); + ts.setCommentRange(substitute, node); + if (!compilerOptions.removeComments) { + var propertyName = ts.isPropertyAccessExpression(node) + ? ts.declarationNameToString(node.name) + : ts.getTextOfNode(node.argumentExpression); + substitute.trailingComment = " " + propertyName + " "; } - return name_33; + ts.setConstantValue(node, constantValue); + return substitute; } - return ts.getGeneratedNameForNode(node); - } - function getClassMemberPrefix(node, member) { - var expression = getLocalName(node); - return ts.hasModifier(member, 32) ? expression : ts.createPropertyAccess(expression, "prototype"); + return node; } - function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { - if (!constructor || !hasExtendsClause) { - return false; - } - var parameter = ts.singleOrUndefined(constructor.parameters); - if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { - return false; - } - var statement = ts.firstOrUndefined(constructor.body.statements); - if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203) { - return false; - } - var statementExpression = statement.expression; - if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175) { - return false; - } - var callTarget = statementExpression.expression; - if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96) { - return false; - } - var callArgument = ts.singleOrUndefined(statementExpression.arguments); - if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192) { - return false; + function tryGetConstEnumValue(node) { + if (compilerOptions.isolatedModules) { + return undefined; } - var expression = callArgument.expression; - return ts.isIdentifier(expression) && expression === parameter.name; + return ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node) + ? resolver.getConstantValue(node) + : undefined; } } - ts.transformES2015 = transformES2015; + ts.transformTypeScript = transformTypeScript; })(ts || (ts = {})); var ts; (function (ts) { - var OpCode; - (function (OpCode) { - OpCode[OpCode["Nop"] = 0] = "Nop"; - OpCode[OpCode["Statement"] = 1] = "Statement"; - OpCode[OpCode["Assign"] = 2] = "Assign"; - OpCode[OpCode["Break"] = 3] = "Break"; - OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; - OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; - OpCode[OpCode["Yield"] = 6] = "Yield"; - OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; - OpCode[OpCode["Return"] = 8] = "Return"; - OpCode[OpCode["Throw"] = 9] = "Throw"; - OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; - })(OpCode || (OpCode = {})); - var BlockAction; - (function (BlockAction) { - BlockAction[BlockAction["Open"] = 0] = "Open"; - BlockAction[BlockAction["Close"] = 1] = "Close"; - })(BlockAction || (BlockAction = {})); - var CodeBlockKind; - (function (CodeBlockKind) { - CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; - CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; - CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; - CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; - CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; - })(CodeBlockKind || (CodeBlockKind = {})); - var ExceptionBlockState; - (function (ExceptionBlockState) { - ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; - ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; - ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; - ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; - })(ExceptionBlockState || (ExceptionBlockState = {})); - var Instruction; - (function (Instruction) { - Instruction[Instruction["Next"] = 0] = "Next"; - Instruction[Instruction["Throw"] = 1] = "Throw"; - Instruction[Instruction["Return"] = 2] = "Return"; - Instruction[Instruction["Break"] = 3] = "Break"; - Instruction[Instruction["Yield"] = 4] = "Yield"; - Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; - Instruction[Instruction["Catch"] = 6] = "Catch"; - Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; - })(Instruction || (Instruction = {})); - var instructionNames = ts.createMap((_a = {}, - _a[2] = "return", - _a[3] = "break", - _a[4] = "yield", - _a[5] = "yield*", - _a[7] = "endfinally", - _a)); - function transformGenerators(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; + var entities = createEntitiesMap(); + function transformJsx(context) { var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var resolver = context.getEmitResolver(); - var previousOnSubstituteNode = context.onSubstituteNode; - context.onSubstituteNode = onSubstituteNode; var currentSourceFile; - var renamedCatchVariables; - var renamedCatchVariableDeclarations; - var inGeneratorFunctionBody; - var inStatementContainingYield; - var blocks; - var blockOffsets; - var blockActions; - var blockStack; - var labelOffsets; - var labelExpressions; - var nextLabelId = 1; - var operations; - var operationArguments; - var operationLocations; - var state; - var blockIndex = 0; - var labelNumber = 0; - var labelNumbers; - var lastOperationWasAbrupt; - var lastOperationWasCompletion; - var clauses; - var statements; - var exceptionBlockStack; - var currentExceptionBlock; - var withBlockStack; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (node.transformFlags & 4096) { - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - } + currentSourceFile = node; + node = ts.visitEachChild(node, visitor, context); + currentSourceFile = undefined; return node; } function visitor(node) { - var transformFlags = node.transformFlags; - if (inStatementContainingYield) { - return visitJavaScriptInStatementContainingYield(node); - } - else if (inGeneratorFunctionBody) { - return visitJavaScriptInGeneratorFunctionBody(node); - } - else if (transformFlags & 2048) { - return visitGenerator(node); + if (node.transformFlags & 4) { + return visitorWorker(node); } - else if (transformFlags & 4096) { + else if (node.transformFlags & 8) { return ts.visitEachChild(node, visitor, context); } else { return node; } } - function visitJavaScriptInStatementContainingYield(node) { - switch (node.kind) { - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 214: - return visitSwitchStatement(node); - case 215: - return visitLabeledStatement(node); - default: - return visitJavaScriptInGeneratorFunctionBody(node); - } - } - function visitJavaScriptInGeneratorFunctionBody(node) { - switch (node.kind) { - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); - case 150: - case 151: - return visitAccessorDeclaration(node); - case 201: - return visitVariableStatement(node); - case 207: - return visitForStatement(node); - case 208: - return visitForInStatement(node); - case 211: - return visitBreakStatement(node); - case 210: - return visitContinueStatement(node); - case 212: - return visitReturnStatement(node); - default: - if (node.transformFlags & 16777216) { - return visitJavaScriptContainingYield(node); - } - else if (node.transformFlags & (4096 | 33554432)) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } - } - } - function visitJavaScriptContainingYield(node) { + function visitorWorker(node) { switch (node.kind) { - case 188: - return visitBinaryExpression(node); - case 189: - return visitConditionalExpression(node); - case 191: - return visitYieldExpression(node); - case 171: - return visitArrayLiteralExpression(node); - case 172: - return visitObjectLiteralExpression(node); - case 174: - return visitElementAccessExpression(node); - case 175: - return visitCallExpression(node); - case 176: - return visitNewExpression(node); + case 242: + return visitJsxElement(node, false); + case 243: + return visitJsxSelfClosingElement(node, false); + case 248: + return visitJsxExpression(node); default: - return ts.visitEachChild(node, visitor, context); + ts.Debug.failBadSyntaxKind(node); + return undefined; } } - function visitGenerator(node) { + function transformJsxChildToExpression(node) { switch (node.kind) { - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); + case 10: + return visitJsxText(node); + case 248: + return visitJsxExpression(node); + case 242: + return visitJsxElement(node, true); + case 243: + return visitJsxSelfClosingElement(node, true); default: ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function visitFunctionDeclaration(node) { - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - node = ts.setOriginalNode(ts.createFunctionDeclaration(undefined, undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); - } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - } - if (inGeneratorFunctionBody) { - hoistFunctionDeclaration(node); - return undefined; - } - else { - return node; + return undefined; } } - function visitFunctionExpression(node) { - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - node = ts.setOriginalNode(ts.createFunctionExpression(undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + function visitJsxElement(node, isChild) { + return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, node); + } + function visitJsxSelfClosingElement(node, isChild) { + return visitJsxOpeningLikeElement(node, undefined, isChild, node); + } + function visitJsxOpeningLikeElement(node, children, isChild, location) { + var tagName = getTagName(node); + var objectProperties; + var attrs = node.attributes; + if (attrs.length === 0) { + objectProperties = ts.createNull(); } else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; + var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread + ? ts.map(attrs, transformJsxSpreadAttributeToExpression) + : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); + if (ts.isJsxSpreadAttribute(attrs[0])) { + segments.unshift(ts.createObjectLiteral()); + } + objectProperties = ts.singleOrUndefined(segments) + || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); } - return node; + var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); + if (isChild) { + ts.startOnNewLine(element); + } + return element; } - function visitAccessorDeclaration(node) { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - return node; + function transformJsxSpreadAttributeToExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } - function transformGeneratorFunctionBody(body) { - var statements = []; - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - var savedBlocks = blocks; - var savedBlockOffsets = blockOffsets; - var savedBlockActions = blockActions; - var savedBlockStack = blockStack; - var savedLabelOffsets = labelOffsets; - var savedLabelExpressions = labelExpressions; - var savedNextLabelId = nextLabelId; - var savedOperations = operations; - var savedOperationArguments = operationArguments; - var savedOperationLocations = operationLocations; - var savedState = state; - inGeneratorFunctionBody = true; - inStatementContainingYield = false; - blocks = undefined; - blockOffsets = undefined; - blockActions = undefined; - blockStack = undefined; - labelOffsets = undefined; - labelExpressions = undefined; - nextLabelId = 1; - operations = undefined; - operationArguments = undefined; - operationLocations = undefined; - state = ts.createTempVariable(undefined); - startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); - transformAndEmitStatements(body.statements, statementOffset); - var buildResult = build(); - ts.addRange(statements, endLexicalEnvironment()); - statements.push(ts.createReturn(buildResult)); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - blocks = savedBlocks; - blockOffsets = savedBlockOffsets; - blockActions = savedBlockActions; - blockStack = savedBlockStack; - labelOffsets = savedLabelOffsets; - labelExpressions = savedLabelExpressions; - nextLabelId = savedNextLabelId; - operations = savedOperations; - operationArguments = savedOperationArguments; - operationLocations = savedOperationLocations; - state = savedState; - return ts.createBlock(statements, body, body.multiLine); + function transformJsxAttributeToObjectLiteralElement(node) { + var name = getAttributeName(node); + var expression = transformJsxAttributeInitializer(node.initializer); + return ts.createPropertyAssignment(name, expression); } - function visitVariableStatement(node) { - if (node.transformFlags & 16777216) { - transformAndEmitVariableDeclarationList(node.declarationList); - return undefined; + function transformJsxAttributeInitializer(node) { + if (node === undefined) { + return ts.createLiteral(true); + } + else if (node.kind === 9) { + var decoded = tryDecodeEntities(node.text); + return decoded ? ts.createLiteral(decoded, node) : node; + } + else if (node.kind === 248) { + return visitJsxExpression(node); } else { - if (ts.getEmitFlags(node) & 8388608) { - return node; + ts.Debug.failBadSyntaxKind(node); + } + } + function visitJsxText(node) { + var text = ts.getTextOfNode(node, true); + var parts; + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + if (!parts) { + parts = []; + } + parts.push(ts.createLiteral(decodeEntities(part))); + } + firstNonWhitespace = -1; } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } } - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length === 0) { - return undefined; + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + if (!parts) { + parts = []; } - return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); + parts.push(ts.createLiteral(decodeEntities(part))); } - } - function visitBinaryExpression(node) { - switch (ts.getExpressionAssociativity(node)) { - case 0: - return visitLeftAssociativeBinaryExpression(node); - case 1: - return visitRightAssociativeBinaryExpression(node); - default: - ts.Debug.fail("Unknown associativity."); + if (parts) { + return ts.reduceLeft(parts, aggregateJsxTextParts); } + return undefined; } - function isCompoundAssignment(kind) { - return kind >= 58 - && kind <= 69; - } - function getOperatorForCompoundAssignment(kind) { - switch (kind) { - case 58: return 36; - case 59: return 37; - case 60: return 38; - case 61: return 39; - case 62: return 40; - case 63: return 41; - case 64: return 44; - case 65: return 45; - case 66: return 46; - case 67: return 47; - case 68: return 48; - case 69: return 49; - } + function aggregateJsxTextParts(left, right) { + return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); } - function visitRightAssociativeBinaryExpression(node) { - var left = node.left, right = node.right; - if (containsYield(right)) { - var target = void 0; - switch (left.kind) { - case 173: - target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); - break; - case 174: - target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); - break; - default: - target = ts.visitNode(left, visitor, ts.isExpression); - break; + function decodeEntities(text) { + return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { + if (decimal) { + return String.fromCharCode(parseInt(decimal, 10)); } - var operator = node.operatorToken.kind; - if (isCompoundAssignment(operator)) { - return ts.createBinary(target, 57, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); + else if (hex) { + return String.fromCharCode(parseInt(hex, 16)); } else { - return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); + var ch = entities[word]; + return ch ? String.fromCharCode(ch) : match; } - } - return ts.visitEachChild(node, visitor, context); + }); } - function visitLeftAssociativeBinaryExpression(node) { - if (containsYield(node.right)) { - if (ts.isLogicalOperator(node.operatorToken.kind)) { - return visitLogicalBinaryExpression(node); + function tryDecodeEntities(text) { + var decoded = decodeEntities(text); + return decoded === text ? undefined : decoded; + } + function getTagName(node) { + if (node.kind === 242) { + return getTagName(node.openingElement); + } + else { + var name_34 = node.tagName; + if (ts.isIdentifier(name_34) && ts.isIntrinsicJsxName(name_34.text)) { + return ts.createLiteral(name_34.text); } - else if (node.operatorToken.kind === 25) { - return visitCommaExpression(node); + else { + return ts.createExpressionFromEntityName(name_34); } - var clone_6 = ts.getMutableClone(node); - clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); - clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); - return clone_6; } - return ts.visitEachChild(node, visitor, context); } - function visitLogicalBinaryExpression(node) { - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), node.left); - if (node.operatorToken.kind === 52) { - emitBreakWhenFalse(resultLabel, resultLocal, node.left); + function getAttributeName(node) { + var name = node.name; + if (/^[A-Za-z_]\w*$/.test(name.text)) { + return name; } else { - emitBreakWhenTrue(resultLabel, resultLocal, node.left); + return ts.createLiteral(name.text); } - emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), node.right); - markLabel(resultLabel); - return resultLocal; } - function visitCommaExpression(node) { - var pendingExpressions = []; - visit(node.left); - visit(node.right); - return ts.inlineExpressions(pendingExpressions); - function visit(node) { - if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25) { - visit(node.left); - visit(node.right); - } - else { - if (containsYield(node) && pendingExpressions.length > 0) { - emitWorker(1, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); - pendingExpressions = []; - } - pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); - } - } + function visitJsxExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } - function visitConditionalExpression(node) { - if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { - var whenFalseLabel = defineLabel(); - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), node.condition); - emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), node.whenTrue); - emitBreak(resultLabel); - markLabel(whenFalseLabel); - emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), node.whenFalse); - markLabel(resultLabel); - return resultLocal; + } + ts.transformJsx = transformJsx; + function createEntitiesMap() { + return ts.createMap({ + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }); + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2017(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var currentSourceFileExternalHelpersModuleName; + var enabledSubstitutions; + var applicableSubstitutions; + var currentSuperContainer; + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentScope; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } + currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; return ts.visitEachChild(node, visitor, context); } - function visitYieldExpression(node) { - var resumeLabel = defineLabel(); - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - if (node.asteriskToken) { - emitYieldStar(expression, node); - } - else { - emitYield(expression, node); - } - markLabel(resumeLabel); - return createGeneratorResume(); - } - function visitArrayLiteralExpression(node) { - return visitElements(node.elements, node.multiLine); - } - function visitElements(elements, _multiLine) { - var numInitialElements = countInitialNodesWithoutYield(elements); - var temp = declareLocal(); - var hasAssignedTemp = false; - if (numInitialElements > 0) { - emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); - hasAssignedTemp = true; - } - var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); - return hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions); - function reduceElement(expressions, element) { - if (containsYield(element) && expressions.length > 0) { - emitAssignment(temp, hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions)); - hasAssignedTemp = true; - expressions = []; - } - expressions.push(ts.visitNode(element, visitor, ts.isExpression)); - return expressions; + function visitor(node) { + if (node.transformFlags & 16) { + return visitorWorker(node); } - } - function visitObjectLiteralExpression(node) { - var properties = node.properties; - var multiLine = node.multiLine; - var numInitialProperties = countInitialNodesWithoutYield(properties); - var temp = declareLocal(); - emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, multiLine)); - var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); - expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); - function reduceProperty(expressions, property) { - if (containsYield(property) && expressions.length > 0) { - emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); - expressions = []; - } - var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); - var visited = ts.visitNode(expression, visitor, ts.isExpression); - if (visited) { - if (multiLine) { - visited.startsOnNewLine = true; - } - expressions.push(visited); - } - return expressions; + else if (node.transformFlags & 32) { + return ts.visitEachChild(node, visitor, context); } + return node; } - function visitElementAccessExpression(node) { - if (containsYield(node.argumentExpression)) { - var clone_7 = ts.getMutableClone(node); - clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); - clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); - return clone_7; + function visitorWorker(node) { + switch (node.kind) { + case 119: + return undefined; + case 185: + return visitAwaitExpression(node); + case 148: + return visitMethodDeclaration(node); + case 221: + return visitFunctionDeclaration(node); + case 180: + return visitFunctionExpression(node); + case 181: + return visitArrowFunction(node); + default: + ts.Debug.failBadSyntaxKind(node); + return node; } - return ts.visitEachChild(node, visitor, context); } - function visitCallExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, true), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), node), node); - } - return ts.visitEachChild(node, visitor, context); + function visitAwaitExpression(node) { + return ts.setOriginalNode(ts.createYield(undefined, ts.visitNode(node.expression, visitor, ts.isExpression), node), node); } - function visitNewExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), undefined, [], node), node); + function visitMethodDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - return ts.visitEachChild(node, visitor, context); + var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setCommentRange(method, node); + ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(method, node); + return method; } - function transformAndEmitStatements(statements, start) { - if (start === void 0) { start = 0; } - var numStatements = statements.length; - for (var i = start; i < numStatements; i++) { - transformAndEmitStatement(statements[i]); + function visitFunctionDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } + var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function transformAndEmitEmbeddedStatement(node) { - if (ts.isBlock(node)) { - transformAndEmitStatements(node.statements); + function visitFunctionExpression(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - else { - transformAndEmitStatement(node); + if (ts.nodeIsMissing(node.body)) { + return ts.createOmittedExpression(); } + var func = ts.createFunctionExpression(undefined, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function transformAndEmitStatement(node) { - var savedInStatementContainingYield = inStatementContainingYield; - if (!inStatementContainingYield) { - inStatementContainingYield = containsYield(node); + function visitArrowFunction(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - transformAndEmitStatementWorker(node); - inStatementContainingYield = savedInStatementContainingYield; + var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function transformAndEmitStatementWorker(node) { - switch (node.kind) { - case 200: - return transformAndEmitBlock(node); - case 203: - return transformAndEmitExpressionStatement(node); - case 204: - return transformAndEmitIfStatement(node); - case 205: - return transformAndEmitDoStatement(node); - case 206: - return transformAndEmitWhileStatement(node); - case 207: - return transformAndEmitForStatement(node); - case 208: - return transformAndEmitForInStatement(node); - case 210: - return transformAndEmitContinueStatement(node); - case 211: - return transformAndEmitBreakStatement(node); - case 212: - return transformAndEmitReturnStatement(node); - case 213: - return transformAndEmitWithStatement(node); - case 214: - return transformAndEmitSwitchStatement(node); - case 215: - return transformAndEmitLabeledStatement(node); - case 216: - return transformAndEmitThrowStatement(node); - case 217: - return transformAndEmitTryStatement(node); - default: - return emitStatement(ts.visitNode(node, visitor, ts.isStatement, true)); - } + function transformFunctionBody(node) { + return transformAsyncFunctionBody(node); } - function transformAndEmitBlock(node) { - if (containsYield(node)) { - transformAndEmitStatements(node.statements); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } + function transformConciseBody(node) { + return transformAsyncFunctionBody(node); } - function transformAndEmitExpressionStatement(node) { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + function transformFunctionBodyWorker(body, start) { + if (start === void 0) { start = 0; } + var savedCurrentScope = currentScope; + currentScope = body; + startLexicalEnvironment(); + var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); + var visited = ts.updateBlock(body, statements); + var declarations = endLexicalEnvironment(); + currentScope = savedCurrentScope; + return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); } - function transformAndEmitVariableDeclarationList(node) { - for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - var variables = ts.getInitializedVariables(node); - var numVariables = variables.length; - var variablesWritten = 0; - var pendingExpressions = []; - while (variablesWritten < numVariables) { - for (var i = variablesWritten; i < numVariables; i++) { - var variable = variables[i]; - if (containsYield(variable.initializer) && pendingExpressions.length > 0) { - break; + function transformAsyncFunctionBody(node) { + var nodeType = node.original ? node.original.type : node.type; + var promiseConstructor = languageVersion < 2 ? getPromiseConstructor(nodeType) : undefined; + var isArrowFunction = node.kind === 181; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; + if (!isArrowFunction) { + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, false, visitor); + statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); + var block = ts.createBlock(statements, node.body, true); + if (languageVersion >= 2) { + if (resolver.getNodeCheckFlags(node) & 4096) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 8); } - pendingExpressions.push(transformInitializedVariable(variable)); - } - if (pendingExpressions.length) { - emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); - variablesWritten += pendingExpressions.length; - pendingExpressions = []; - } - } - return undefined; - } - function transformInitializedVariable(node) { - return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); - } - function transformAndEmitIfStatement(node) { - if (containsYield(node)) { - if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { - var endLabel = defineLabel(); - var elseLabel = node.elseStatement ? defineLabel() : undefined; - emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - emitBreak(endLabel); - markLabel(elseLabel); - transformAndEmitEmbeddedStatement(node.elseStatement); + else if (resolver.getNodeCheckFlags(node) & 2048) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 4); } - markLabel(endLabel); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } + return block; } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } - } - function transformAndEmitDoStatement(node) { - if (containsYield(node)) { - var conditionLabel = defineLabel(); - var loopLabel = defineLabel(); - beginLoopBlock(conditionLabel); - markLabel(loopLabel); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(conditionLabel); - emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, true)); } } - function visitDoStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + function transformConciseBodyWorker(body, forceBlockFunctionBody) { + if (ts.isBlock(body)) { + return transformFunctionBodyWorker(body); } else { - return ts.visitEachChild(node, visitor, context); + startLexicalEnvironment(); + var visited = ts.visitNode(body, visitor, ts.isConciseBody); + var declarations = endLexicalEnvironment(); + var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (forceBlockFunctionBody && !ts.isBlock(merged)) { + return ts.createBlock([ + ts.createReturn(merged) + ]); + } + else { + return merged; + } } } - function transformAndEmitWhileStatement(node) { - if (containsYield(node)) { - var loopLabel = defineLabel(); - var endLabel = beginLoopBlock(loopLabel); - markLabel(loopLabel); - emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.statement); - emitBreak(loopLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + function getPromiseConstructor(type) { + var typeName = ts.getEntityNameFromTypeNode(type); + if (typeName && ts.isEntityName(typeName)) { + var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); + if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue + || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { + return typeName; + } } + return undefined; } - function visitWhileStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; - } - else { - return ts.visitEachChild(node, visitor, context); + function enableSubstitutionForAsyncMethodsWithSuper() { + if ((enabledSubstitutions & 1) === 0) { + enabledSubstitutions |= 1; + context.enableSubstitution(175); + context.enableSubstitution(173); + context.enableSubstitution(174); + context.enableEmitNotification(222); + context.enableEmitNotification(148); + context.enableEmitNotification(150); + context.enableEmitNotification(151); + context.enableEmitNotification(149); } } - function transformAndEmitForStatement(node) { - if (containsYield(node)) { - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - if (node.initializer) { - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - transformAndEmitVariableDeclarationList(initializer); - } - else { - emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), initializer)); + function substituteExpression(node) { + switch (node.kind) { + case 173: + return substitutePropertyAccessExpression(node); + case 174: + return substituteElementAccessExpression(node); + case 175: + if (enabledSubstitutions & 1) { + return substituteCallExpression(node); } - } - markLabel(conditionLabel); - if (node.condition) { - emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); - } - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - if (node.incrementor) { - emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), node.incrementor)); - } - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + break; } + return node; } - function visitForStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + function substitutePropertyAccessExpression(node) { + if (enabledSubstitutions & 1 && node.expression.kind === 96) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); } - var variables = ts.getInitializedVariables(initializer); - node = ts.updateFor(node, variables.length > 0 - ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) - : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, true), ts.visitNode(node.incrementor, visitor, ts.isExpression, true), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); - } - else { - node = ts.visitEachChild(node, visitor, context); - } - if (inStatementContainingYield) { - endLoopBlock(); } return node; } - function transformAndEmitForInStatement(node) { - if (containsYield(node)) { - var keysArray = declareLocal(); - var key = declareLocal(); - var keysIndex = ts.createLoopVariable(); - var initializer = node.initializer; - hoistVariableDeclaration(keysIndex); - emitAssignment(keysArray, ts.createArrayLiteral()); - emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), undefined, [key])))); - emitAssignment(keysIndex, ts.createLiteral(0)); - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - markLabel(conditionLabel); - emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); - var variable = void 0; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable_1 = _a[_i]; - hoistVariableDeclaration(variable_1.name); - } - variable = ts.getSynthesizedClone(initializer.declarations[0].name); - } - else { - variable = ts.visitNode(initializer, visitor, ts.isExpression); - ts.Debug.assert(ts.isLeftHandSideExpression(variable)); + function substituteElementAccessExpression(node) { + if (enabledSubstitutions & 1 && node.expression.kind === 96) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); } - emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } + return node; } - function visitForInStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + function substituteCallExpression(node) { + var expression = node.expression; + if (ts.isSuperProperty(expression)) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + var argumentExpression = ts.isPropertyAccessExpression(expression) + ? substitutePropertyAccessExpression(expression) + : substituteElementAccessExpression(expression); + return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), undefined, [ + ts.createThis() + ].concat(node.arguments)); } - node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); - } - else { - node = ts.visitEachChild(node, visitor, context); - } - if (inStatementContainingYield) { - endLoopBlock(); } return node; } - function transformAndEmitContinueStatement(node) { - var label = findContinueTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); - emitBreak(label, node); + function isSuperContainer(node) { + var kind = node.kind; + return kind === 222 + || kind === 149 + || kind === 148 + || kind === 150 + || kind === 151; } - function visitContinueStatement(node) { - if (inStatementContainingYield) { - var label = findContinueTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, node); - } + function onEmitNode(emitContext, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + var savedCurrentSuperContainer = currentSuperContainer; + if (enabledSubstitutions & 1 && isSuperContainer(node)) { + currentSuperContainer = node; } - return ts.visitEachChild(node, visitor, context); + previousOnEmitNode(emitContext, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; + currentSuperContainer = savedCurrentSuperContainer; } - function transformAndEmitBreakStatement(node) { - var label = findBreakTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); - emitBreak(label, node); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); + } + return node; } - function visitBreakStatement(node) { - if (inStatementContainingYield) { - var label = findBreakTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, node); - } + function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { + if (flags & 4096) { + return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression]), "value", location); + } + else { + return ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression], location); } - return ts.visitEachChild(node, visitor, context); } - function transformAndEmitReturnStatement(node) { - emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); + function getSuperContainerAsyncMethodFlags() { + return currentSuperContainer !== undefined + && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 | 4096); } - function visitReturnStatement(node) { - return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); + } + ts.transformES2017 = transformES2017; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2016(context) { + var hoistVariableDeclaration = context.hoistVariableDeclaration; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; + } + return ts.visitEachChild(node, visitor, context); } - function transformAndEmitWithStatement(node) { - if (containsYield(node)) { - beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); - transformAndEmitEmbeddedStatement(node.statement); - endWithBlock(); + function visitor(node) { + if (node.transformFlags & 64) { + return visitorWorker(node); + } + else if (node.transformFlags & 128) { + return ts.visitEachChild(node, visitor, context); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + return node; } } - function transformAndEmitSwitchStatement(node) { - if (containsYield(node.caseBlock)) { - var caseBlock = node.caseBlock; - var numClauses = caseBlock.clauses.length; - var endLabel = beginSwitchBlock(); - var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); - var clauseLabels = []; - var defaultClauseIndex = -1; - for (var i = 0; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - clauseLabels.push(defineLabel()); - if (clause.kind === 250 && defaultClauseIndex === -1) { - defaultClauseIndex = i; - } - } - var clausesWritten = 0; - var pendingClauses = []; - while (clausesWritten < numClauses) { - var defaultClausesSkipped = 0; - for (var i = clausesWritten; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - if (clause.kind === 249) { - var caseClause = clause; - if (containsYield(caseClause.expression) && pendingClauses.length > 0) { - break; - } - pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ - createInlineBreak(clauseLabels[i], caseClause.expression) - ])); - } - else { - defaultClausesSkipped++; - } - } - if (pendingClauses.length) { - emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); - clausesWritten += pendingClauses.length; - pendingClauses = []; - } - if (defaultClausesSkipped > 0) { - clausesWritten += defaultClausesSkipped; - defaultClausesSkipped = 0; - } + function visitorWorker(node) { + switch (node.kind) { + case 188: + return visitBinaryExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } + } + function visitBinaryExpression(node) { + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = ts.visitNode(node.right, visitor, ts.isExpression); + if (node.operatorToken.kind === 61) { + var target = void 0; + var value = void 0; + if (ts.isElementAccessExpression(left)) { + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, left.argumentExpression), left); + value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, left); } - if (defaultClauseIndex >= 0) { - emitBreak(clauseLabels[defaultClauseIndex]); + else if (ts.isPropertyAccessExpression(left)) { + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), left.name, left); + value = ts.createPropertyAccess(expressionTemp, left.name, left); } else { - emitBreak(endLabel); - } - for (var i = 0; i < numClauses; i++) { - markLabel(clauseLabels[i]); - transformAndEmitStatements(caseBlock.clauses[i].statements); + target = left; + value = left; } - endSwitchBlock(); + return ts.createAssignment(target, ts.createMathPow(value, right, node), node); + } + else if (node.operatorToken.kind === 39) { + return ts.createMathPow(left, right, node); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } } - function visitSwitchStatement(node) { - if (inStatementContainingYield) { - beginScriptSwitchBlock(); + } + ts.transformES2016 = transformES2016; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2015(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var resolver = context.getEmitResolver(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentSourceFile; + var currentText; + var currentParent; + var currentNode; + var enclosingVariableStatement; + var enclosingBlockScopeContainer; + var enclosingBlockScopeContainerParent; + var enclosingFunction; + var enclosingNonArrowFunction; + var enclosingNonAsyncFunctionBody; + var convertedLoopState; + var enabledSubstitutions; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endSwitchBlock(); + currentSourceFile = node; + currentText = node.text; + return ts.visitNode(node, visitor, ts.isSourceFile); + } + function visitor(node) { + return saveStateAndInvoke(node, dispatcher); + } + function dispatcher(node) { + return convertedLoopState + ? visitorForConvertedLoopWorker(node) + : visitorWorker(node); + } + function saveStateAndInvoke(node, f) { + var savedEnclosingFunction = enclosingFunction; + var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; + var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; + var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; + var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; + var savedEnclosingVariableStatement = enclosingVariableStatement; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var savedConvertedLoopState = convertedLoopState; + if (ts.nodeStartsNewLexicalEnvironment(node)) { + convertedLoopState = undefined; } - return node; + onBeforeVisitNode(node); + var visited = f(node); + convertedLoopState = savedConvertedLoopState; + enclosingFunction = savedEnclosingFunction; + enclosingNonArrowFunction = savedEnclosingNonArrowFunction; + enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; + enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; + enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; + enclosingVariableStatement = savedEnclosingVariableStatement; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return visited; } - function transformAndEmitLabeledStatement(node) { - if (containsYield(node)) { - beginLabeledBlock(node.label.text); - transformAndEmitEmbeddedStatement(node.statement); - endLabeledBlock(); + function shouldCheckNode(node) { + return (node.transformFlags & 256) !== 0 || + node.kind === 215 || + (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); + } + function visitorWorker(node) { + if (shouldCheckNode(node)) { + return visitJavaScript(node); + } + else if (node.transformFlags & 512) { + return ts.visitEachChild(node, visitor, context); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + return node; } } - function visitLabeledStatement(node) { - if (inStatementContainingYield) { - beginScriptLabeledBlock(node.label.text); + function visitorForConvertedLoopWorker(node) { + var result; + if (shouldCheckNode(node)) { + result = visitJavaScript(node); } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endLabeledBlock(); + else { + result = visitNodesInConvertedLoop(node); } - return node; + return result; } - function transformAndEmitThrowStatement(node) { - emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), node); + function visitNodesInConvertedLoop(node) { + switch (node.kind) { + case 212: + return visitReturnStatement(node); + case 201: + return visitVariableStatement(node); + case 214: + return visitSwitchStatement(node); + case 211: + case 210: + return visitBreakOrContinueStatement(node); + case 98: + return visitThisKeyword(node); + case 70: + return visitIdentifier(node); + default: + return ts.visitEachChild(node, visitor, context); + } } - function transformAndEmitTryStatement(node) { - if (containsYield(node)) { - beginExceptionBlock(); - transformAndEmitEmbeddedStatement(node.tryBlock); - if (node.catchClause) { - beginCatchBlock(node.catchClause.variableDeclaration); - transformAndEmitEmbeddedStatement(node.catchClause.block); + function visitJavaScript(node) { + switch (node.kind) { + case 83: + return node; + case 222: + return visitClassDeclaration(node); + case 193: + return visitClassExpression(node); + case 143: + return visitParameter(node); + case 221: + return visitFunctionDeclaration(node); + case 181: + return visitArrowFunction(node); + case 180: + return visitFunctionExpression(node); + case 219: + return visitVariableDeclaration(node); + case 70: + return visitIdentifier(node); + case 220: + return visitVariableDeclarationList(node); + case 215: + return visitLabeledStatement(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 207: + return visitForStatement(node); + case 208: + return visitForInStatement(node); + case 209: + return visitForOfStatement(node); + case 203: + return visitExpressionStatement(node); + case 172: + return visitObjectLiteralExpression(node); + case 252: + return visitCatchClause(node); + case 254: + return visitShorthandPropertyAssignment(node); + case 171: + return visitArrayLiteralExpression(node); + case 175: + return visitCallExpression(node); + case 176: + return visitNewExpression(node); + case 179: + return visitParenthesizedExpression(node, true); + case 188: + return visitBinaryExpression(node, true); + case 12: + case 13: + case 14: + case 15: + return visitTemplateLiteral(node); + case 177: + return visitTaggedTemplateExpression(node); + case 190: + return visitTemplateExpression(node); + case 191: + return visitYieldExpression(node); + case 96: + return visitSuperKeyword(); + case 191: + return ts.visitEachChild(node, visitor, context); + case 148: + return visitMethodDeclaration(node); + case 256: + return visitSourceFileNode(node); + case 201: + return visitVariableStatement(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } + } + function onBeforeVisitNode(node) { + if (currentNode) { + if (ts.isBlockScope(currentNode, currentParent)) { + enclosingBlockScopeContainer = currentNode; + enclosingBlockScopeContainerParent = currentParent; } - if (node.finallyBlock) { - beginFinallyBlock(); - transformAndEmitEmbeddedStatement(node.finallyBlock); + if (ts.isFunctionLike(currentNode)) { + enclosingFunction = currentNode; + if (currentNode.kind !== 181) { + enclosingNonArrowFunction = currentNode; + if (!(ts.getEmitFlags(currentNode) & 2097152)) { + enclosingNonAsyncFunctionBody = currentNode; + } + } + } + switch (currentNode.kind) { + case 201: + enclosingVariableStatement = currentNode; + break; + case 220: + case 219: + case 170: + case 168: + case 169: + break; + default: + enclosingVariableStatement = undefined; } - endExceptionBlock(); - } - else { - emitStatement(ts.visitEachChild(node, visitor, context)); } + currentParent = currentNode; + currentNode = node; } - function containsYield(node) { - return node && (node.transformFlags & 16777216) !== 0; + function visitSwitchStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps |= 2; + var result = ts.visitEachChild(node, visitor, context); + convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; + return result; } - function countInitialNodesWithoutYield(nodes) { - var numNodes = nodes.length; - for (var i = 0; i < numNodes; i++) { - if (containsYield(nodes[i])) { - return i; - } - } - return -1; + function visitReturnStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + convertedLoopState.nonLocalJumps |= 8; + return ts.createReturn(ts.createObjectLiteral([ + ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression + ? ts.visitNode(node.expression, visitor, ts.isExpression) + : ts.createVoidZero()) + ])); } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function visitThisKeyword(node) { + ts.Debug.assert(convertedLoopState !== undefined); + if (enclosingFunction && enclosingFunction.kind === 181) { + convertedLoopState.containsLexicalThis = true; + return node; } - return node; + return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); } - function substituteExpression(node) { - if (ts.isIdentifier(node)) { - return substituteExpressionIdentifier(node); + function visitIdentifier(node) { + if (!convertedLoopState) { + return node; } - return node; + if (ts.isGeneratedIdentifier(node)) { + return node; + } + if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { + return node; + } + return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); } - function substituteExpressionIdentifier(node) { - if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { - var original = ts.getOriginalNode(node); - if (ts.isIdentifier(original) && original.parent) { - var declaration = resolver.getReferencedValueDeclaration(original); - if (declaration) { - var name_34 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); - if (name_34) { - var clone_8 = ts.getMutableClone(name_34); - ts.setSourceMapRange(clone_8, node); - ts.setCommentRange(clone_8, node); - return clone_8; + function visitBreakOrContinueStatement(node) { + if (convertedLoopState) { + var jump = node.kind === 211 ? 2 : 4; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + var labelMarker = void 0; + if (!node.label) { + if (node.kind === 211) { + convertedLoopState.nonLocalJumps |= 2; + labelMarker = "break"; + } + else { + convertedLoopState.nonLocalJumps |= 4; + labelMarker = "continue"; + } + } + else { + if (node.kind === 211) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); + } + } + var returnExpression = ts.createLiteral(labelMarker); + if (convertedLoopState.loopOutParameters.length) { + var outParams = convertedLoopState.loopOutParameters; + var expr = void 0; + for (var i = 0; i < outParams.length; i++) { + var copyExpr = copyOutParameter(outParams[i], 1); + if (i === 0) { + expr = copyExpr; + } + else { + expr = ts.createBinary(expr, 25, copyExpr); + } } + returnExpression = ts.createBinary(expr, 25, returnExpression); } + return ts.createReturn(returnExpression); } } - return node; + return ts.visitEachChild(node, visitor, context); } - function cacheExpression(node) { - var temp; - if (ts.isGeneratedIdentifier(node)) { - return node; + function visitClassDeclaration(node) { + var modifierFlags = ts.getModifierFlags(node); + var isExported = modifierFlags & 1; + var isDefault = modifierFlags & 512; + var modifiers = isExported && !isDefault + ? ts.filter(node.modifiers, isExportModifier) + : undefined; + var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(getDeclarationName(node, true), undefined, transformClassLikeDeclarationToExpression(node)) + ]), node); + ts.setOriginalNode(statement, node); + ts.startOnNewLine(statement); + if (isExported && isDefault) { + var statements = [statement]; + statements.push(ts.createExportAssignment(undefined, undefined, false, getDeclarationName(node, false))); + return statements; } - temp = ts.createTempVariable(hoistVariableDeclaration); - emitAssignment(temp, node, node); - return temp; - } - function declareLocal(name) { - var temp = name - ? ts.createUniqueName(name) - : ts.createTempVariable(undefined); - hoistVariableDeclaration(temp); - return temp; + return statement; } - function defineLabel() { - if (!labelOffsets) { - labelOffsets = []; - } - var label = nextLabelId; - nextLabelId++; - labelOffsets[label] = -1; - return label; + function isExportModifier(node) { + return node.kind === 83; } - function markLabel(label) { - ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); - labelOffsets[label] = operations ? operations.length : 0; + function visitClassExpression(node) { + return transformClassLikeDeclarationToExpression(node); } - function beginBlock(block) { - if (!blocks) { - blocks = []; - blockActions = []; - blockOffsets = []; - blockStack = []; + function transformClassLikeDeclarationToExpression(node) { + if (node.name) { + enableSubstitutionsForBlockScopedBindings(); } - var index = blockActions.length; - blockActions[index] = 0; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.push(block); - return index; + var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); + var classFunction = ts.createFunctionExpression(undefined, undefined, undefined, undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], undefined, transformClassBody(node, extendsClauseElement)); + if (ts.getEmitFlags(node) & 524288) { + ts.setEmitFlags(classFunction, 524288); + } + var inner = ts.createPartiallyEmittedExpression(classFunction); + inner.end = node.end; + ts.setEmitFlags(inner, 49152); + var outer = ts.createPartiallyEmittedExpression(inner); + outer.end = ts.skipTrivia(currentText, node.pos); + ts.setEmitFlags(outer, 49152); + return ts.createParen(ts.createCall(outer, undefined, extendsClauseElement + ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] + : [])); } - function endBlock() { - var block = peekBlock(); - ts.Debug.assert(block !== undefined, "beginBlock was never called."); - var index = blockActions.length; - blockActions[index] = 1; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.pop(); + function transformClassBody(node, extendsClauseElement) { + var statements = []; + startLexicalEnvironment(); + addExtendsHelperIfNeeded(statements, node, extendsClauseElement); + addConstructor(statements, node, extendsClauseElement); + addClassMembers(statements, node); + var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17); + var localName = getLocalName(node); + var outer = ts.createPartiallyEmittedExpression(localName); + outer.end = closingBraceLocation.end; + ts.setEmitFlags(outer, 49152); + var statement = ts.createReturn(outer); + statement.pos = closingBraceLocation.pos; + ts.setEmitFlags(statement, 49152 | 12288); + statements.push(statement); + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); + ts.setEmitFlags(block, 49152); return block; } - function peekBlock() { - return ts.lastOrUndefined(blockStack); - } - function peekBlockKind() { - var block = peekBlock(); - return block && block.kind; - } - function beginWithBlock(expression) { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 1, - expression: expression, - startLabel: startLabel, - endLabel: endLabel - }); - } - function endWithBlock() { - ts.Debug.assert(peekBlockKind() === 1); - var block = endBlock(); - markLabel(block.endLabel); - } - function isWithBlock(block) { - return block.kind === 1; - } - function beginExceptionBlock() { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 0, - state: 0, - startLabel: startLabel, - endLabel: endLabel - }); - emitNop(); - return endLabel; - } - function beginCatchBlock(variable) { - ts.Debug.assert(peekBlockKind() === 0); - var text = variable.name.text; - var name = declareLocal(text); - if (!renamedCatchVariables) { - renamedCatchVariables = ts.createMap(); - renamedCatchVariableDeclarations = ts.createMap(); - context.enableSubstitution(70); + function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { + if (extendsClauseElement) { + statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), extendsClauseElement)); } - renamedCatchVariables[text] = true; - renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; - var exception = peekBlock(); - ts.Debug.assert(exception.state < 1); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var catchLabel = defineLabel(); - markLabel(catchLabel); - exception.state = 1; - exception.catchVariable = name; - exception.catchLabel = catchLabel; - emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [])); - emitNop(); - } - function beginFinallyBlock() { - ts.Debug.assert(peekBlockKind() === 0); - var exception = peekBlock(); - ts.Debug.assert(exception.state < 2); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var finallyLabel = defineLabel(); - markLabel(finallyLabel); - exception.state = 2; - exception.finallyLabel = finallyLabel; } - function endExceptionBlock() { - ts.Debug.assert(peekBlockKind() === 0); - var exception = endBlock(); - var state = exception.state; - if (state < 2) { - emitBreak(exception.endLabel); - } - else { - emitEndfinally(); + function addConstructor(statements, node, extendsClauseElement) { + var constructor = ts.getFirstConstructorWithBody(node); + var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); + var constructorFunction = ts.createFunctionDeclaration(undefined, undefined, undefined, getDeclarationName(node), undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), constructor || node); + if (extendsClauseElement) { + ts.setEmitFlags(constructorFunction, 256); } - markLabel(exception.endLabel); - emitNop(); - exception.state = 3; - } - function isExceptionBlock(block) { - return block.kind === 0; - } - function beginScriptLoopBlock() { - beginBlock({ - kind: 3, - isScript: true, - breakLabel: -1, - continueLabel: -1 - }); - } - function beginLoopBlock(continueLabel) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 3, - isScript: false, - breakLabel: breakLabel, - continueLabel: continueLabel - }); - return breakLabel; + statements.push(constructorFunction); } - function endLoopBlock() { - ts.Debug.assert(peekBlockKind() === 3); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function transformConstructorParameters(constructor, hasSynthesizedSuper) { + if (constructor && !hasSynthesizedSuper) { + return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); } + return []; } - function beginScriptSwitchBlock() { - beginBlock({ - kind: 2, - isScript: true, - breakLabel: -1 - }); - } - function beginSwitchBlock() { - var breakLabel = defineLabel(); - beginBlock({ - kind: 2, - isScript: false, - breakLabel: breakLabel - }); - return breakLabel; - } - function endSwitchBlock() { - ts.Debug.assert(peekBlockKind() === 2); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { + var statements = []; + startLexicalEnvironment(); + var statementOffset = -1; + if (hasSynthesizedSuper) { + statementOffset = 1; } - } - function beginScriptLabeledBlock(labelText) { - beginBlock({ - kind: 4, - isScript: true, - labelText: labelText, - breakLabel: -1 - }); - } - function beginLabeledBlock(labelText) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 4, - isScript: false, - labelText: labelText, - breakLabel: breakLabel - }); - } - function endLabeledBlock() { - ts.Debug.assert(peekBlockKind() === 4); - var block = endBlock(); - if (!block.isScript) { - markLabel(block.breakLabel); + else if (constructor) { + statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, false, visitor); } - } - function supportsUnlabeledBreak(block) { - return block.kind === 2 - || block.kind === 3; - } - function supportsLabeledBreakOrContinue(block) { - return block.kind === 4; - } - function supportsUnlabeledContinue(block) { - return block.kind === 3; - } - function hasImmediateContainingLabeledBlock(labelText, start) { - for (var j = start; j >= 0; j--) { - var containingBlock = blockStack[j]; - if (supportsLabeledBreakOrContinue(containingBlock)) { - if (containingBlock.labelText === labelText) { - return true; - } - } - else { - break; - } + if (constructor) { + addDefaultValueAssignmentsIfNeeded(statements, constructor); + addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); + ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); } - return false; - } - function findBreakTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { - return block.breakLabel; - } - else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.breakLabel; - } - } + var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); + if (superCaptureStatus === 1 || superCaptureStatus === 2) { + statementOffset++; } - else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledBreak(block)) { - return block.breakLabel; - } - } + if (constructor) { + var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); + ts.addRange(statements, body); } - return 0; + if (extendsClauseElement + && superCaptureStatus !== 2 + && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { + statements.push(ts.createReturn(ts.createIdentifier("_this"))); + } + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : node, true); + if (!constructor) { + ts.setEmitFlags(block, 49152); + } + return block; } - function findContinueTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.continueLabel; - } + function isSufficientlyCoveredByReturnStatements(statement) { + if (statement.kind === 212) { + return true; + } + else if (statement.kind === 204) { + var ifStatement = statement; + if (ifStatement.elseStatement) { + return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && + isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); } } - else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block)) { - return block.continueLabel; - } + else if (statement.kind === 200) { + var lastStatement = ts.lastOrUndefined(statement.statements); + if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { + return true; } } - return 0; + return false; } - function createLabel(label) { - if (label > 0) { - if (labelExpressions === undefined) { - labelExpressions = []; - } - var expression = ts.createSynthesizedNode(8); - if (labelExpressions[label] === undefined) { - labelExpressions[label] = [expression]; - } - else { - labelExpressions[label].push(expression); + function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { + if (!hasExtendsClause) { + if (ctor) { + addCaptureThisForNodeIfNeeded(statements, ctor); } - return expression; + return 0; } - return ts.createNode(194); - } - function createInstruction(instruction) { - var literal = ts.createLiteral(instruction); - literal.trailingComment = instructionNames[instruction]; - return literal; - } - function createInlineBreak(label, location) { - ts.Debug.assert(label > 0, "Invalid label: " + label); - return ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), location); - } - function createInlineReturn(expression, location) { - return ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2), expression] - : [createInstruction(2)]), location); - } - function createGeneratorResume(location) { - return ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [], location); - } - function emitNop() { - emitWorker(0); - } - function emitStatement(node) { - if (node) { - emitWorker(1, [node]); + if (!ctor) { + statements.push(ts.createReturn(createDefaultSuperCallOrThis())); + return 2; } - else { - emitNop(); + if (hasSynthesizedSuper) { + captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); + enableSubstitutionsForCapturedThis(); + return 1; } - } - function emitAssignment(left, right, location) { - emitWorker(2, [left, right], location); - } - function emitBreak(label, location) { - emitWorker(3, [label], location); - } - function emitBreakWhenTrue(label, condition, location) { - emitWorker(4, [label, condition], location); - } - function emitBreakWhenFalse(label, condition, location) { - emitWorker(5, [label, condition], location); - } - function emitYieldStar(expression, location) { - emitWorker(7, [expression], location); - } - function emitYield(expression, location) { - emitWorker(6, [expression], location); - } - function emitReturn(expression, location) { - emitWorker(8, [expression], location); - } - function emitThrow(expression, location) { - emitWorker(9, [expression], location); - } - function emitEndfinally() { - emitWorker(10); - } - function emitWorker(code, args, location) { - if (operations === undefined) { - operations = []; - operationArguments = []; - operationLocations = []; + var firstStatement; + var superCallExpression; + var ctorStatements = ctor.body.statements; + if (statementOffset < ctorStatements.length) { + firstStatement = ctorStatements[statementOffset]; + if (firstStatement.kind === 203 && ts.isSuperCall(firstStatement.expression)) { + var superCall = firstStatement.expression; + superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + } } - if (labelOffsets === undefined) { - markLabel(defineLabel()); + if (superCallExpression && statementOffset === ctorStatements.length - 1) { + statements.push(ts.createReturn(superCallExpression)); + return 2; } - var operationIndex = operations.length; - operations[operationIndex] = code; - operationArguments[operationIndex] = args; - operationLocations[operationIndex] = location; + captureThisForNode(statements, ctor, superCallExpression, firstStatement); + if (superCallExpression) { + return 1; + } + return 0; } - function build() { - blockIndex = 0; - labelNumber = 0; - labelNumbers = undefined; - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - clauses = undefined; - statements = undefined; - exceptionBlockStack = undefined; - currentExceptionBlock = undefined; - withBlockStack = undefined; - var buildResult = buildStatements(); - return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), undefined, [ - ts.createThis(), - ts.setEmitFlags(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(state)], undefined, ts.createBlock(buildResult, undefined, buildResult.length > 0)), 4194304) - ]); + function createDefaultSuperCallOrThis() { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128); + var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); + return ts.createLogicalOr(superCall, actualThis); } - function buildStatements() { - if (operations) { - for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { - writeOperation(operationIndex); - } - flushFinalLabel(operations.length); + function visitParameter(node) { + if (node.dotDotDotToken) { + return undefined; } - else { - flushFinalLabel(0); + else if (ts.isBindingPattern(node.name)) { + return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), undefined, node), node); } - if (clauses) { - var labelExpression = ts.createPropertyAccess(state, "label"); - var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); - switchStatement.startsOnNewLine = true; - return [switchStatement]; + else if (node.initializer) { + return ts.setOriginalNode(ts.createParameter(node.name, undefined, node), node); } - if (statements) { - return statements; + else { + return node; } - return []; } - function flushLabel() { - if (!statements) { + function shouldAddDefaultValueAssignments(node) { + return (node.transformFlags & 262144) !== 0; + } + function addDefaultValueAssignmentsIfNeeded(statements, node) { + if (!shouldAddDefaultValueAssignments(node)) { return; } - appendLabel(!lastOperationWasAbrupt); - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - labelNumber++; + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + var name_35 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; + if (dotDotDotToken) { + continue; + } + if (ts.isBindingPattern(name_35)) { + addDefaultValueAssignmentForBindingPattern(statements, parameter, name_35, initializer); + } + else if (initializer) { + addDefaultValueAssignmentForInitializer(statements, parameter, name_35, initializer); + } + } } - function flushFinalLabel(operationIndex) { - if (isFinalLabelReachable(operationIndex)) { - tryEnterLabel(operationIndex); - withBlockStack = undefined; - writeReturn(undefined, undefined); + function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { + var temp = ts.getGeneratedNameForNode(parameter); + if (name.elements.length > 0) { + statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608)); } - if (statements && clauses) { - appendLabel(false); + else if (initializer) { + statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608)); } - updateLabelExpressions(); } - function isFinalLabelReachable(operationIndex) { - if (!lastOperationWasCompletion) { - return true; + function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { + initializer = ts.visitNode(initializer, visitor, ts.isExpression); + var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ + ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536), ts.setEmitFlags(initializer, 1536 | ts.getEmitFlags(initializer)), parameter)) + ], parameter), 32 | 1024 | 12288), undefined, parameter); + statement.startsOnNewLine = true; + ts.setEmitFlags(statement, 12288 | 1024 | 8388608); + statements.push(statement); + } + function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { + return node && node.dotDotDotToken && node.name.kind === 70 && !inConstructorWithSynthesizedSuper; + } + function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { + var parameter = ts.lastOrUndefined(node.parameters); + if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { + return; } - if (!labelOffsets || !labelExpressions) { - return false; + var declarationName = ts.getMutableClone(parameter.name); + ts.setEmitFlags(declarationName, 1536); + var expressionName = ts.getSynthesizedClone(parameter.name); + var restIndex = node.parameters.length - 1; + var temp = ts.createLoopVariable(); + statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(declarationName, undefined, ts.createArrayLiteral([])) + ]), parameter), 8388608)); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(temp, undefined, ts.createLiteral(restIndex)) + ], parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), parameter), ts.createPostfixIncrement(temp, parameter), ts.createBlock([ + ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), parameter)) + ])); + ts.setEmitFlags(forStatement, 8388608); + ts.startOnNewLine(forStatement); + statements.push(forStatement); + } + function addCaptureThisForNodeIfNeeded(statements, node) { + if (node.transformFlags & 65536 && node.kind !== 181) { + captureThisForNode(statements, node, ts.createThis()); } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex && labelExpressions[label]) { - return true; + } + function captureThisForNode(statements, node, initializer, originalStatement) { + enableSubstitutionsForCapturedThis(); + var captureThisStatement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("_this", undefined, initializer) + ]), originalStatement); + ts.setEmitFlags(captureThisStatement, 49152 | 8388608); + ts.setSourceMapRange(captureThisStatement, node); + statements.push(captureThisStatement); + } + function addClassMembers(statements, node) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + switch (member.kind) { + case 199: + statements.push(transformSemicolonClassElementToStatement(member)); + break; + case 148: + statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); + break; + case 150: + case 151: + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); + } + break; + case 149: + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } } - return false; } - function appendLabel(markLabelEnd) { - if (!clauses) { - clauses = []; + function transformSemicolonClassElementToStatement(member) { + return ts.createEmptyStatement(member); + } + function transformClassMethodDeclarationToStatement(receiver, member) { + var commentRange = ts.getCommentRange(member); + var sourceMapRange = ts.getSourceMapRange(member); + var func = transformFunctionLikeToExpression(member, member, undefined); + ts.setEmitFlags(func, 49152); + ts.setSourceMapRange(func, sourceMapRange); + var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), member.name), func), member); + ts.setOriginalNode(statement, member); + ts.setCommentRange(statement, commentRange); + ts.setEmitFlags(statement, 1536); + return statement; + } + function transformAccessorsToStatement(receiver, accessors) { + var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, false), ts.getSourceMapRange(accessors.firstAccessor)); + ts.setEmitFlags(statement, 49152); + return statement; + } + function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { + var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + var target = ts.getMutableClone(receiver); + ts.setEmitFlags(target, 49152 | 1024); + ts.setSourceMapRange(target, firstAccessor.name); + var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); + ts.setEmitFlags(propertyName, 49152 | 512); + ts.setSourceMapRange(propertyName, firstAccessor.name); + var properties = []; + if (getAccessor) { + var getterFunction = transformFunctionLikeToExpression(getAccessor, undefined, undefined); + ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); + ts.setEmitFlags(getterFunction, 16384); + var getter = ts.createPropertyAssignment("get", getterFunction); + ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); + properties.push(getter); } - if (statements) { - if (withBlockStack) { - for (var i = withBlockStack.length - 1; i >= 0; i--) { - var withBlock = withBlockStack[i]; - statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; - } - } - if (currentExceptionBlock) { - var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; - statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), undefined, [ - ts.createArrayLiteral([ - createLabel(startLabel), - createLabel(catchLabel), - createLabel(finallyLabel), - createLabel(endLabel) - ]) - ]))); - currentExceptionBlock = undefined; - } - if (markLabelEnd) { - statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); - } + if (setAccessor) { + var setterFunction = transformFunctionLikeToExpression(setAccessor, undefined, undefined); + ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); + ts.setEmitFlags(setterFunction, 16384); + var setter = ts.createPropertyAssignment("set", setterFunction); + ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); + properties.push(setter); } - clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); - statements = undefined; + properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); + var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ + target, + propertyName, + ts.createObjectLiteral(properties, undefined, true) + ]); + if (startsOnNewLine) { + call.startsOnNewLine = true; + } + return call; } - function tryEnterLabel(operationIndex) { - if (!labelOffsets) { - return; + function visitArrowFunction(node) { + if (node.transformFlags & 32768) { + enableSubstitutionsForCapturedThis(); } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex) { - flushLabel(); - if (labelNumbers === undefined) { - labelNumbers = []; - } - if (labelNumbers[labelNumber] === undefined) { - labelNumbers[labelNumber] = [label]; - } - else { - labelNumbers[labelNumber].push(label); - } - } + var func = transformFunctionLikeToExpression(node, node, undefined); + ts.setEmitFlags(func, 256); + return func; + } + function visitFunctionExpression(node) { + return transformFunctionLikeToExpression(node, node, node.name); + } + function visitFunctionDeclaration(node) { + return ts.setOriginalNode(ts.createFunctionDeclaration(undefined, node.modifiers, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node), node); + } + function transformFunctionLikeToExpression(node, location, name) { + var savedContainingNonArrowFunction = enclosingNonArrowFunction; + if (node.kind !== 181) { + enclosingNonArrowFunction = node; } + var expression = ts.setOriginalNode(ts.createFunctionExpression(undefined, node.asteriskToken, name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, saveStateAndInvoke(node, transformFunctionBody), location), node); + enclosingNonArrowFunction = savedContainingNonArrowFunction; + return expression; } - function updateLabelExpressions() { - if (labelExpressions !== undefined && labelNumbers !== undefined) { - for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { - var labels = labelNumbers[labelNumber_1]; - if (labels !== undefined) { - for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { - var label = labels_1[_i]; - var expressions = labelExpressions[label]; - if (expressions !== undefined) { - for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { - var expression = expressions_1[_a]; - expression.text = String(labelNumber_1); - } - } - } - } + function transformFunctionBody(node) { + var multiLine = false; + var singleLine = false; + var statementsLocation; + var closeBraceLocation; + var statements = []; + var body = node.body; + var statementOffset; + startLexicalEnvironment(); + if (ts.isBlock(body)) { + statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); + } + addCaptureThisForNodeIfNeeded(statements, node); + addDefaultValueAssignmentsIfNeeded(statements, node); + addRestParameterIfNeeded(statements, node, false); + if (!multiLine && statements.length > 0) { + multiLine = true; + } + if (ts.isBlock(body)) { + statementsLocation = body.statements; + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); + if (!multiLine && body.multiLine) { + multiLine = true; } } - } - function tryEnterOrLeaveBlock(operationIndex) { - if (blocks) { - for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { - var block = blocks[blockIndex]; - var blockAction = blockActions[blockIndex]; - if (isExceptionBlock(block)) { - if (blockAction === 0) { - if (!exceptionBlockStack) { - exceptionBlockStack = []; - } - if (!statements) { - statements = []; - } - exceptionBlockStack.push(currentExceptionBlock); - currentExceptionBlock = block; - } - else if (blockAction === 1) { - currentExceptionBlock = exceptionBlockStack.pop(); - } + else { + ts.Debug.assert(node.kind === 181); + statementsLocation = ts.moveRangeEnd(body, -1); + var equalsGreaterThanToken = node.equalsGreaterThanToken; + if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { + if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { + singleLine = true; } - else if (isWithBlock(block)) { - if (blockAction === 0) { - if (!withBlockStack) { - withBlockStack = []; - } - withBlockStack.push(block); - } - else if (blockAction === 1) { - withBlockStack.pop(); - } + else { + multiLine = true; } } + var expression = ts.visitNode(body, visitor, ts.isExpression); + var returnStatement = ts.createReturn(expression, body); + ts.setEmitFlags(returnStatement, 12288 | 1024 | 32768); + statements.push(returnStatement); + closeBraceLocation = body; } - } - function writeOperation(operationIndex) { - tryEnterLabel(operationIndex); - tryEnterOrLeaveBlock(operationIndex); - if (lastOperationWasAbrupt) { - return; + var lexicalEnvironment = endLexicalEnvironment(); + ts.addRange(statements, lexicalEnvironment); + if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { + multiLine = true; } - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - var opcode = operations[operationIndex]; - if (opcode === 0) { - return; + var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); + if (!multiLine && singleLine) { + ts.setEmitFlags(block, 32); } - else if (opcode === 10) { - return writeEndfinally(); + if (closeBraceLocation) { + ts.setTokenSourceMapRange(block, 17, closeBraceLocation); } - var args = operationArguments[operationIndex]; - if (opcode === 1) { - return writeStatement(args[0]); + ts.setOriginalNode(block, node.body); + return block; + } + function visitExpressionStatement(node) { + switch (node.expression.kind) { + case 179: + return ts.updateStatement(node, visitParenthesizedExpression(node.expression, false)); + case 188: + return ts.updateStatement(node, visitBinaryExpression(node.expression, false)); } - var location = operationLocations[operationIndex]; - switch (opcode) { - case 2: - return writeAssign(args[0], args[1], location); - case 3: - return writeBreak(args[0], location); - case 4: - return writeBreakWhenTrue(args[0], args[1], location); - case 5: - return writeBreakWhenFalse(args[0], args[1], location); - case 6: - return writeYield(args[0], location); - case 7: - return writeYieldStar(args[0], location); - case 8: - return writeReturn(args[0], location); - case 9: - return writeThrow(args[0], location); + return ts.visitEachChild(node, visitor, context); + } + function visitParenthesizedExpression(node, needsDestructuringValue) { + if (needsDestructuringValue) { + switch (node.expression.kind) { + case 179: + return ts.createParen(visitParenthesizedExpression(node.expression, true), node); + case 188: + return ts.createParen(visitBinaryExpression(node.expression, true), node); + } } + return ts.visitEachChild(node, visitor, context); } - function writeStatement(statement) { - if (statement) { - if (!statements) { - statements = [statement]; + function visitBinaryExpression(node, needsDestructuringValue) { + ts.Debug.assert(ts.isDestructuringAssignment(node)); + return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); + } + function visitVariableStatement(node) { + if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3) == 0) { + var assignments = void 0; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); + if (decl.initializer) { + var assignment = void 0; + if (ts.isBindingPattern(decl.name)) { + assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, undefined, visitor); + } + else { + assignment = ts.createBinary(decl.name, 57, ts.visitNode(decl.initializer, visitor, ts.isExpression)); + } + (assignments || (assignments = [])).push(assignment); + } + } + if (assignments) { + return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25, acc); }), node); } else { - statements.push(statement); + return undefined; } } + return ts.visitEachChild(node, visitor, context); } - function writeAssign(left, right, operationLocation) { - writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); - } - function writeThrow(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createThrow(expression, operationLocation)); - } - function writeReturn(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2), expression] - : [createInstruction(2)]), operationLocation)); - } - function writeBreak(label, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation)); - } - function writeBreakWhenTrue(label, condition, operationLocation) { - writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation))); - } - function writeBreakWhenFalse(label, condition, operationLocation) { - writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation))); - } - function writeYield(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(4), expression] - : [createInstruction(4)]), operationLocation)); - } - function writeYieldStar(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(5), - expression - ]), operationLocation)); - } - function writeEndfinally() { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(7) - ]))); - } - } - ts.transformGenerators = transformGenerators; - var _a; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES5(context) { - var previousOnSubstituteNode = context.onSubstituteNode; - context.onSubstituteNode = onSubstituteNode; - context.enableSubstitution(173); - context.enableSubstitution(253); - return transformSourceFile; - function transformSourceFile(node) { - return node; + function visitVariableDeclarationList(node) { + if (node.flags & 3) { + enableSubstitutionsForBlockScopedBindings(); + } + var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 + ? visitVariableDeclarationInLetDeclarationList + : visitVariableDeclaration)); + var declarationList = ts.createVariableDeclarationList(declarations, node); + ts.setOriginalNode(declarationList, node); + ts.setCommentRange(declarationList, node); + if (node.transformFlags & 8388608 + && (ts.isBindingPattern(node.declarations[0].name) + || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { + var firstDeclaration = ts.firstOrUndefined(declarations); + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + } + return declarationList; } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (ts.isPropertyAccessExpression(node)) { - return substitutePropertyAccessExpression(node); + function shouldEmitExplicitInitializerForLetDeclaration(node) { + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 131072; + var isDeclaredInLoop = flags & 262144; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) + || (isCapturedInFunction + && isDeclaredInLoop + && ts.isBlock(enclosingBlockScopeContainer) + && ts.isIterationStatement(enclosingBlockScopeContainerParent, false)); + var emitExplicitInitializer = !emittedAsTopLevel + && enclosingBlockScopeContainer.kind !== 208 + && enclosingBlockScopeContainer.kind !== 209 + && (!resolver.isDeclarationWithCollidingName(node) + || (isDeclaredInLoop + && !isCapturedInFunction + && !ts.isIterationStatement(enclosingBlockScopeContainer, false))); + return emitExplicitInitializer; + } + function visitVariableDeclarationInLetDeclarationList(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return visitVariableDeclaration(node); } - else if (ts.isPropertyAssignment(node)) { - return substitutePropertyAssignment(node); + if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { + var clone_5 = ts.getMutableClone(node); + clone_5.initializer = ts.createVoidZero(); + return clone_5; } - return node; + return ts.visitEachChild(node, visitor, context); } - function substitutePropertyAccessExpression(node) { - var literalName = trySubstituteReservedName(node.name); - if (literalName) { - return ts.createElementAccess(node.expression, literalName, node); + function visitVariableDeclaration(node) { + if (ts.isBindingPattern(node.name)) { + var recordTempVariablesInLine = !enclosingVariableStatement + || !ts.hasModifier(enclosingVariableStatement, 1); + return ts.flattenVariableDestructuring(node, undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); } - return node; + return ts.visitEachChild(node, visitor, context); } - function substitutePropertyAssignment(node) { - var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name); - if (literalName) { - return ts.updatePropertyAssignment(node, literalName, node.initializer); + function visitLabeledStatement(node) { + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = ts.createMap(); + } + convertedLoopState.labels[node.label.text] = node.label.text; } - return node; - } - function trySubstituteReservedName(name) { - var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(name.text) : undefined); - if (token >= 71 && token <= 106) { - return ts.createLiteral(name, name); + var result; + if (ts.isIterationStatement(node.statement, false) && shouldConvertIterationStatementBody(node.statement)) { + result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); } - return undefined; - } - } - ts.transformES5 = transformES5; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformModule(context) { - var transformModuleDelegates = ts.createMap((_a = {}, - _a[ts.ModuleKind.None] = transformCommonJSModule, - _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, - _a[ts.ModuleKind.AMD] = transformAMDModule, - _a[ts.ModuleKind.UMD] = transformUMDModule, - _a)); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70); - context.enableSubstitution(188); - context.enableSubstitution(186); - context.enableSubstitution(187); - context.enableSubstitution(254); - context.enableEmitNotification(256); - var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var bindingNameExportSpecifiersMap; - var bindingNameExportSpecifiersForFileMap = ts.createMap(); - var hasExportStarsToExportValues; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + else { + result = ts.visitEachChild(node, visitor, context); } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - currentSourceFile = node; - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; - var updated = transformModule_1(node); - ts.aggregateTransformFlags(updated); - currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - return updated; + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; } - return node; - var _a; + return result; } - function transformCommonJSModule(node) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, false); - var updated = updateSourceFile(node, statements); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(updated, 2 | ts.getEmitFlags(node)); - } - return updated; + function visitDoStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformAMDModule(node) { - var define = ts.createIdentifier("define"); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - return transformAsynchronousModule(node, define, moduleName, true); + function visitWhileStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformUMDModule(node) { - var define = ts.createIdentifier("define"); - ts.setEmitFlags(define, 16); - return transformAsynchronousModule(node, define, undefined, false); + function visitForStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { - var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(define, undefined, (moduleName ? [moduleName] : []).concat([ - ts.createArrayLiteral([ - ts.createLiteral("require"), - ts.createLiteral("exports") - ].concat(aliasedModuleNames, unaliasedModuleNames)), - ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ - ts.createParameter("require"), - ts.createParameter("exports") - ].concat(importAliasNames), undefined, transformAsynchronousModuleBody(node)) - ]))) - ]); + function visitForInStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformAsynchronousModuleBody(node) { - startLexicalEnvironment(); + function visitForOfStatement(node) { + return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + } + function convertForOfToFor(node, convertedLoopBodyStatements) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var initializer = node.initializer; var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, true); - var body = ts.createBlock(statements, undefined, true); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(body, 2); + var counter = ts.createLoopVariable(); + var rhsReference = expression.kind === 70 + ? ts.createUniqueName(expression.text) + : ts.createTempVariable(undefined); + if (ts.isVariableDeclarationList(initializer)) { + if (initializer.flags & 3) { + enableSubstitutionsForBlockScopedBindings(); + } + var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); + if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { + var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); + var declarationList = ts.createVariableDeclarationList(declarations, initializer); + ts.setOriginalNode(declarationList, initializer); + var firstDeclaration = declarations[0]; + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + statements.push(ts.createVariableStatement(undefined, declarationList)); + } + else { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(undefined), undefined, ts.createElementAccess(rhsReference, counter)) + ], ts.moveRangePos(initializer, -1)), ts.moveRangeEnd(initializer, -1))); + } } - return body; - } - function addExportEqualsIfNeeded(statements, emitAsReturn) { - if (exportEquals) { - if (emitAsReturn) { - var statement = ts.createReturn(exportEquals.expression, exportEquals); - ts.setEmitFlags(statement, 12288 | 49152); - statements.push(statement); + else { + var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); + if (ts.isDestructuringAssignment(assignment)) { + statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, false, hoistVariableDeclaration, visitor))); + } + else { + assignment.end = initializer.end; + statements.push(ts.createStatement(assignment, ts.moveRangeEnd(initializer, -1))); + } + } + var bodyLocation; + var statementsLocation; + if (convertedLoopBodyStatements) { + ts.addRange(statements, convertedLoopBodyStatements); + } + else { + var statement = ts.visitNode(node.statement, visitor, ts.isStatement); + if (ts.isBlock(statement)) { + ts.addRange(statements, statement.statements); + bodyLocation = statement; + statementsLocation = statement.statements; } else { - var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), exportEquals); - ts.setEmitFlags(statement, 49152); statements.push(statement); } } + ts.setEmitFlags(expression, 1536 | ts.getEmitFlags(expression)); + var body = ts.createBlock(ts.createNodeArray(statements, statementsLocation), bodyLocation); + ts.setEmitFlags(body, 1536 | 12288); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(counter, undefined, ts.createLiteral(0), ts.moveRangePos(node.expression, -1)), + ts.createVariableDeclaration(rhsReference, undefined, expression, node.expression) + ], node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), node.expression), ts.createPostfixIncrement(counter, node.expression), body, node); + ts.setEmitFlags(forStatement, 8192); + return forStatement; } - function visitor(node) { - switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 237: - return visitExportDeclaration(node); - case 236: - return visitExportAssignment(node); - case 201: - return visitVariableStatement(node); - case 221: - return visitFunctionDeclaration(node); - case 222: - return visitClassDeclaration(node); - case 203: - return visitExpressionStatement(node); - default: - return node; + function visitObjectLiteralExpression(node) { + var properties = node.properties; + var numProperties = properties.length; + var numInitialProperties = numProperties; + for (var i = 0; i < numProperties; i++) { + var property = properties[i]; + if (property.transformFlags & 16777216 + || property.name.kind === 141) { + numInitialProperties = i; + break; + } + } + ts.Debug.assert(numInitialProperties !== numProperties); + var temp = ts.createTempVariable(hoistVariableDeclaration); + var expressions = []; + var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, node.multiLine), 524288)); + if (node.multiLine) { + assignment.startsOnNewLine = true; } + expressions.push(assignment); + addObjectLiteralMembers(expressions, node, temp, numInitialProperties); + expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); } - function visitImportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + function shouldConvertIterationStatementBody(node) { + return (resolver.getNodeCheckFlags(node) & 65536) !== 0; + } + function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; } - var statements = []; - var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); - if (moduleKind !== ts.ModuleKind.AMD) { - if (!node.importClause) { - statements.push(ts.createStatement(createRequireCall(node), node)); + visit(node.name); + function visit(node) { + if (node.kind === 70) { + state.hoistedLocalVariables.push(node); } else { - var variables = []; - if (namespaceDeclaration && !ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, createRequireCall(node))); - } - else { - variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), undefined, createRequireCall(node))); - if (namespaceDeclaration && ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node))); + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + visit(element.name); } } - statements.push(ts.createVariableStatement(undefined, ts.createConstDeclarationList(variables), node)); } } - else if (namespaceDeclaration && ts.isDefaultImport(node)) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node), node) - ]))); - } - addExportImportAssignments(statements, node); - return ts.singleOrMany(statements); } - function visitImportEqualsDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + function convertIterationStatementBodyIfNecessary(node, convert) { + if (!shouldConvertIterationStatementBody(node)) { + var saveAllowedNonLabeledJumps = void 0; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 | 4; + } + var result = convert ? convert(node, undefined) : ts.visitEachChild(node, visitor, context); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + return result; } - ts.setEmitFlags(node.name, 128); - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - if (ts.hasModifier(node, 1)) { - statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), node)); + var functionName = ts.createUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 207: + case 208: + case 209: + var initializer = node.initializer; + if (initializer && initializer.kind === 220) { + loopInitializer = initializer; + } + break; + } + var loopParameters = []; + var loopOutParameters = []; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3)) { + for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); + } + } + var outerConvertedLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (outerConvertedLoopState) { + if (outerConvertedLoopState.argumentsName) { + convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; + } + if (outerConvertedLoopState.thisName) { + convertedLoopState.thisName = outerConvertedLoopState.thisName; + } + if (outerConvertedLoopState.hoistedLocalVariables) { + convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; + } + } + var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); + var currentState = convertedLoopState; + convertedLoopState = outerConvertedLoopState; + if (loopOutParameters.length) { + var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; + copyOutParameters(loopOutParameters, 1, statements_3); + loopBody = ts.createBlock(statements_3, undefined, true); + } + if (!ts.isBlock(loopBody)) { + loopBody = ts.createBlock([loopBody], undefined, true); + } + var isAsyncBlockContainingAwait = enclosingNonArrowFunction + && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152) !== 0 + && (node.statement.transformFlags & 16777216) !== 0; + var loopBodyFlags = 0; + if (currentState.containsLexicalThis) { + loopBodyFlags |= 256; + } + if (isAsyncBlockContainingAwait) { + loopBodyFlags |= 2097152; + } + var convertedLoopVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(functionName, undefined, ts.setEmitFlags(ts.createFunctionExpression(undefined, isAsyncBlockContainingAwait ? ts.createToken(38) : undefined, undefined, undefined, loopParameters, undefined, loopBody), loopBodyFlags)) + ])); + var statements = [convertedLoopVariable]; + var extraVariableDeclarations; + if (currentState.argumentsName) { + if (outerConvertedLoopState) { + outerConvertedLoopState.argumentsName = currentState.argumentsName; } else { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), undefined, createRequireCall(node)) - ], undefined, languageVersion >= 2 ? 2 : 0), node)); + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, undefined, ts.createIdentifier("arguments"))); } } - else { - if (ts.hasModifier(node, 1)) { - statements.push(ts.createStatement(createExportAssignment(node.name, node.name), node)); + if (currentState.thisName) { + if (outerConvertedLoopState) { + outerConvertedLoopState.thisName = currentState.thisName; + } + else { + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, undefined, ts.createIdentifier("this"))); } } - addExportImportAssignments(statements, node); - return statements; - } - function visitExportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + if (currentState.hoistedLocalVariables) { + if (outerConvertedLoopState) { + outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; + } + else { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { + var identifier = _c[_b]; + extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); + } + } } - var generatedName = ts.getGeneratedNameForNode(node); - if (node.exportClause) { - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(generatedName, undefined, createRequireCall(node)) - ]), node)); + if (loopOutParameters.length) { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; } - for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { - var specifier = _a[_i]; - var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); - statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), specifier)); + for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { + var outParam = loopOutParameters_1[_d]; + extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); } - return ts.singleOrMany(statements); } - else { - return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), undefined, [ - moduleKind !== ts.ModuleKind.AMD - ? createRequireCall(node) - : generatedName - ]), node); + if (extraVariableDeclarations) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); } - } - function visitExportAssignment(node) { - if (node.isExportEquals) { - return undefined; + var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); + var loop; + if (convert) { + loop = convert(node, convertedLoopBodyStatements); } - var statements = []; - addExportDefault(statements, node.expression, node); + else { + loop = ts.getMutableClone(node); + loop.statement = undefined; + loop = ts.visitEachChild(loop, visitor, context); + loop.statement = ts.createBlock(convertedLoopBodyStatements, undefined, true); + loop.transformFlags = 0; + ts.aggregateTransformFlags(loop); + } + statements.push(currentParent.kind === 215 + ? ts.createLabel(currentParent.label, loop) + : loop); return statements; } - function addExportDefault(statements, expression, location) { - tryAddExportDefaultCompat(statements); - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); - } - function tryAddExportDefaultCompat(statements) { - var original = ts.getOriginalNode(currentSourceFile); - ts.Debug.assert(original.kind === 256); - if (!original.symbol.exports["___esModule"]) { - if (languageVersion === 0) { - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); - } - else { - statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ - ts.createIdentifier("exports"), - ts.createLiteral("__esModule"), - ts.createObjectLiteral([ - ts.createPropertyAssignment("value", ts.createLiteral(true)) - ]) - ]))); - } + function copyOutParameter(outParam, copyDirection) { + var source = copyDirection === 0 ? outParam.outParamName : outParam.originalName; + var target = copyDirection === 0 ? outParam.originalName : outParam.outParamName; + return ts.createBinary(target, 57, source); + } + function copyOutParameters(outParams, copyDirection, statements) { + for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { + var outParam = outParams_1[_i]; + statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); } } - function addExportImportAssignments(statements, node) { - if (ts.isImportEqualsDeclaration(node)) { - addExportMemberAssignments(statements, node.name); + function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { + var outerConvertedLoopState = convertedLoopState; + var statements = []; + var isSimpleLoop = !(state.nonLocalJumps & ~4) && + !state.labeledNonLocalBreaks && + !state.labeledNonLocalContinues; + var call = ts.createCall(loopFunctionExpressionName, undefined, ts.map(parameters, function (p) { return p.name; })); + var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38), call) : call; + if (isSimpleLoop) { + statements.push(ts.createStatement(callResult)); + copyOutParameters(state.loopOutParameters, 0, statements); } else { - var names = ts.reduceEachChild(node, collectExportMembers, []); - for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { - var name_35 = names_1[_i]; - addExportMemberAssignments(statements, name_35); + var loopResultName = ts.createUniqueName("state"); + var stateVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, undefined, callResult)])); + statements.push(stateVariable); + copyOutParameters(state.loopOutParameters, 0, statements); + if (state.nonLocalJumps & 8) { + var returnStatement = void 0; + if (outerConvertedLoopState) { + outerConvertedLoopState.nonLocalJumps |= 8; + returnStatement = ts.createReturn(loopResultName); + } + else { + returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + } + statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33, ts.createLiteral("object")), returnStatement)); } - } - } - function collectExportMembers(names, node) { - if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { - var name_36 = node.name; - if (ts.isIdentifier(name_36)) { - names.push(name_36); + if (state.nonLocalJumps & 2) { + statements.push(ts.createIf(ts.createBinary(loopResultName, 33, ts.createLiteral("break")), ts.createBreak())); } - } - return ts.reduceEachChild(node, collectExportMembers, names); - } - function addExportMemberAssignments(statements, name) { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), specifier.name))); + if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { + var caseClauses = []; + processLabeledJumps(state.labeledNonLocalBreaks, true, loopResultName, outerConvertedLoopState, caseClauses); + processLabeledJumps(state.labeledNonLocalContinues, false, loopResultName, outerConvertedLoopState, caseClauses); + statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); } } + return statements; } - function addExportMemberAssignment(statements, node) { - if (ts.hasModifier(node, 512)) { - addExportDefault(statements, getDeclarationName(node), node); + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = ts.createMap(); + } + state.labeledNonLocalBreaks[labelText] = labelMarker; } else { - statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144), node)); + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = ts.createMap(); + } + state.labeledNonLocalContinues[labelText] = labelMarker; } } - function visitVariableStatement(node) { - var originalKind = ts.getOriginalNode(node).kind; - if (originalKind === 226 || - originalKind === 225 || - originalKind === 222) { - if (!ts.hasModifier(node, 1)) { - return node; - } - return ts.setOriginalNode(ts.createVariableStatement(undefined, node.declarationList), node); + function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { + if (!table) { + return; } - var resultStatements = []; - if (ts.hasModifier(node, 1)) { - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length > 0) { - var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); - resultStatements.push(inlineAssignments); + for (var labelText in table) { + var labelMarker = table[labelText]; + var statements = []; + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + var label = ts.createIdentifier(labelText); + statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); } + else { + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + statements.push(ts.createReturn(loopResultName)); + } + caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } - else { - resultStatements.push(node); - } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - addExportMemberAssignmentsForBindingName(resultStatements, decl.name); - } - return resultStatements; } - function addExportMemberAssignmentsForBindingName(resultStatements, name) { + function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { + var name = decl.name; if (ts.isBindingPattern(name)) { for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { var element = _a[_i]; if (!ts.isOmittedExpression(element)) { - addExportMemberAssignmentsForBindingName(resultStatements, element.name); + processLoopVariableDeclaration(element, loopParameters, loopOutParameters); } } } else { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - var sourceFileId = ts.getOriginalNodeId(currentSourceFile); - if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { - bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); - } - bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; - addExportMemberAssignments(resultStatements, name); + loopParameters.push(ts.createParameter(name)); + if (resolver.getNodeCheckFlags(decl) & 2097152) { + var outParamName = ts.createUniqueName("out_" + name.text); + loopOutParameters.push({ originalName: name, outParamName: outParamName }); } } } - function transformInitializedVariable(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); - } - else { - return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + function addObjectLiteralMembers(expressions, node, receiver, start) { + var properties = node.properties; + var numProperties = properties.length; + for (var i = start; i < numProperties; i++) { + var property = properties[i]; + switch (property.kind) { + case 150: + case 151: + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property === accessors.firstAccessor) { + expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); + } + break; + case 253: + expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 254: + expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 148: + expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; + } } } - function visitFunctionDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1)) { - var isAsync = ts.hasModifier(node, 256); - statements.push(ts.setOriginalNode(ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name, undefined, node.parameters, undefined, node.body, node), node)); - addExportMemberAssignment(statements, node); + function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - else { - statements.push(node); + return expression; + } + function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - if (node.name) { - addExportMemberAssignments(statements, node.name); + return expression; + } + function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, method, undefined), method); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return ts.singleOrMany(statements); + return expression; } - function visitClassDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1)) { - statements.push(ts.setOriginalNode(ts.createClassDeclaration(undefined, undefined, name, undefined, node.heritageClauses, node.members, node), node)); - addExportMemberAssignment(statements, node); + function visitCatchClause(node) { + ts.Debug.assert(ts.isBindingPattern(node.variableDeclaration.name)); + var temp = ts.createTempVariable(undefined); + var newVariableDeclaration = ts.createVariableDeclaration(temp, undefined, undefined, node.variableDeclaration); + var vars = ts.flattenVariableDestructuring(node.variableDeclaration, temp, visitor); + var list = ts.createVariableDeclarationList(vars, node.variableDeclaration, node.variableDeclaration.flags); + var destructure = ts.createVariableStatement(undefined, list); + return ts.updateCatchClause(node, newVariableDeclaration, addStatementToStartOfBlock(node.block, destructure)); + } + function addStatementToStartOfBlock(block, statement) { + var transformedStatements = ts.visitNodes(block.statements, visitor, ts.isStatement); + return ts.updateBlock(block, [statement].concat(transformedStatements)); + } + function visitMethodDeclaration(node) { + ts.Debug.assert(!ts.isComputedPropertyName(node.name)); + var functionExpression = transformFunctionLikeToExpression(node, ts.moveRangePos(node, -1), undefined); + ts.setEmitFlags(functionExpression, 16384 | ts.getEmitFlags(functionExpression)); + return ts.createPropertyAssignment(node.name, functionExpression, node); + } + function visitShorthandPropertyAssignment(node) { + return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), node); + } + function visitYieldExpression(node) { + return ts.visitEachChild(node, visitor, context); + } + function visitArrayLiteralExpression(node) { + return transformAndSpreadElements(node.elements, true, node.multiLine, node.elements.hasTrailingComma); + } + function visitCallExpression(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, true); + } + function visitImmediateSuperCallInBody(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, false); + } + function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + if (node.expression.kind === 96) { + ts.setEmitFlags(thisArg, 128); + } + var resultingCall; + if (node.transformFlags & 1048576) { + resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, false, false, false)); } else { - statements.push(node); + resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), node); } - if (node.name && !(node.decorators && node.decorators.length)) { - addExportMemberAssignments(statements, node.name); + if (node.expression.kind === 96) { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128); + var initializer = ts.createLogicalOr(resultingCall, actualThis); + return assignToCapturedThis + ? ts.createAssignment(ts.createIdentifier("_this"), initializer) + : initializer; } - return ts.singleOrMany(statements); + return resultingCall; } - function visitExpressionStatement(node) { - var original = ts.getOriginalNode(node); - var origKind = original.kind; - if (origKind === 225 || origKind === 226) { - return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); - } - else if (origKind === 222) { - var classDecl = original; - if (classDecl.name) { - var statements = [node]; - addExportMemberAssignments(statements, classDecl.name); - return statements; - } - } - return node; + function visitNewExpression(node) { + ts.Debug.assert((node.transformFlags & 1048576) !== 0); + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), false, false, false)), undefined, []); } - function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { - var statements = [node]; - if (ts.hasModifier(original, 1) && - original.kind === 225 && - ts.isFirstDeclarationOfKind(original, 225)) { - addVarForExportedEnumOrNamespaceDeclaration(statements, original); + function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { + var numElements = elements.length; + var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { + return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); + })); + if (segments.length === 1) { + var firstElement = elements[0]; + return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 + ? ts.createArraySlice(segments[0]) + : segments[0]; } - addExportMemberAssignments(statements, original.name); - return statements; + return ts.createArrayConcat(segments.shift(), segments); } - function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { - var transformedStatement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], node); - ts.setEmitFlags(transformedStatement, 49152); - statements.push(transformedStatement); + function partitionSpreadElement(node) { + return ts.isSpreadElementExpression(node) + ? visitSpanOfSpreadElements + : visitSpanOfNonSpreadElements; } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + function visitSpanOfSpreadElements(chunk) { + return ts.map(chunk, visitExpressionOfSpreadElement); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256) { - bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - bindingNameExportSpecifiersMap = undefined; + function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { + return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, undefined, hasTrailingComma), visitor, ts.isExpression), undefined, multiLine); + } + function visitExpressionOfSpreadElement(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); + } + function visitTemplateLiteral(node) { + return ts.createLiteral(node.text, node); + } + function visitTaggedTemplateExpression(node) { + var tag = ts.visitNode(node.tag, visitor, ts.isExpression); + var temp = ts.createTempVariable(hoistVariableDeclaration); + var templateArguments = [temp]; + var cookedStrings = []; + var rawStrings = []; + var template = node.template; + if (ts.isNoSubstitutionTemplateLiteral(template)) { + cookedStrings.push(ts.createLiteral(template.text)); + rawStrings.push(getRawLiteral(template)); } else { - previousOnEmitNode(emitContext, node, emitCallback); + cookedStrings.push(ts.createLiteral(template.head.text)); + rawStrings.push(getRawLiteral(template.head)); + for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { + var templateSpan = _a[_i]; + cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); + rawStrings.push(getRawLiteral(templateSpan.literal)); + templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); + } } + return ts.createParen(ts.inlineExpressions([ + ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), + ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), + ts.createCall(tag, undefined, templateArguments) + ])); } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function getRawLiteral(node) { + var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); + var isLast = node.kind === 12 || node.kind === 15; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + text = text.replace(/\r\n?/g, "\n"); + return ts.createLiteral(text, node); + } + function visitTemplateExpression(node) { + var expressions = []; + addTemplateHead(expressions, node); + addTemplateSpans(expressions, node); + var expression = ts.reduceLeft(expressions, ts.createAdd); + if (ts.nodeIsSynthesized(expression)) { + ts.setTextRange(expression, node); } - else if (ts.isShorthandPropertyAssignment(node)) { - return substituteShorthandPropertyAssignment(node); + return expression; + } + function shouldAddTemplateHead(node) { + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + } + function addTemplateHead(expressions, node) { + if (!shouldAddTemplateHead(node)) { + return; } - return node; + expressions.push(ts.createLiteral(node.head.text)); } - function substituteShorthandPropertyAssignment(node) { - var name = node.name; - var exportedOrImportedName = substituteExpressionIdentifier(name); - if (exportedOrImportedName !== name) { - if (node.objectAssignmentInitializer) { - var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); - return ts.createPropertyAssignment(name, initializer, node); + function addTemplateSpans(expressions, node) { + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span_6 = _a[_i]; + expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); + if (span_6.literal.text.length !== 0) { + expressions.push(ts.createLiteral(span_6.literal.text)); } - return ts.createPropertyAssignment(name, exportedOrImportedName, node); } - return node; } - function substituteExpression(node) { - switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 188: - return substituteBinaryExpression(node); - case 187: - case 186: - return substituteUnaryExpression(node); + function visitSuperKeyword() { + return enclosingNonAsyncFunctionBody + && ts.isClassElement(enclosingNonAsyncFunctionBody) + && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32) + && currentParent.kind !== 175 + ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") + : ts.createIdentifier("_super"); + } + function visitSourceFileNode(node) { + var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; + var statements = []; + startLexicalEnvironment(); + ts.addRange(statements, prologue); + addCaptureThisForNodeIfNeeded(statements, node); + ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); + ts.addRange(statements, endLexicalEnvironment()); + var clone = ts.getMutableClone(node); + clone.statements = ts.createNodeArray(statements, node.statements); + return clone; + } + function onEmitNode(emitContext, node, emitCallback) { + var savedEnclosingFunction = enclosingFunction; + if (enabledSubstitutions & 1 && ts.isFunctionLike(node)) { + enclosingFunction = node; } - return node; + previousOnEmitNode(emitContext, node, emitCallback); + enclosingFunction = savedEnclosingFunction; } - function substituteExpressionIdentifier(node) { - return trySubstituteExportedName(node) - || trySubstituteImportedName(node) - || node; + function enableSubstitutionsForBlockScopedBindings() { + if ((enabledSubstitutions & 2) === 0) { + enabledSubstitutions |= 2; + context.enableSubstitution(70); + } } - function substituteBinaryExpression(node) { - var left = node.left; - if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { - ts.setEmitFlags(node, 128); - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, node); - } - return nestedExportAssignment; - } + function enableSubstitutionsForCapturedThis() { + if ((enabledSubstitutions & 1) === 0) { + enabledSubstitutions |= 1; + context.enableSubstitution(98); + context.enableEmitNotification(149); + context.enableEmitNotification(148); + context.enableEmitNotification(150); + context.enableEmitNotification(151); + context.enableEmitNotification(181); + context.enableEmitNotification(180); + context.enableEmitNotification(221); } - return node; } - function substituteUnaryExpression(node) { - var operator = node.operator; - var operand = node.operand; - if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { - ts.setEmitFlags(node, 128); - var transformedUnaryExpression = void 0; - if (node.kind === 187) { - transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 ? 58 : 59), ts.createLiteral(1), node); - ts.setEmitFlags(transformedUnaryExpression, 128); - } - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, transformedUnaryExpression || node); - } - return nestedExportAssignment; - } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); + } + if (ts.isIdentifier(node)) { + return substituteIdentifier(node); } return node; } - function trySubstituteExportedName(node) { - var emitFlags = ts.getEmitFlags(node); - if ((emitFlags & 262144) === 0) { - var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072) !== 0); - if (container) { - if (container.kind === 256) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), node); - } + function substituteIdentifier(node) { + if (enabledSubstitutions & 2) { + var original = ts.getParseTreeNode(node, ts.isIdentifier); + if (original && isNameOfDeclarationWithCollidingName(original)) { + return ts.getGeneratedNameForNode(original); } } - return undefined; + return node; } - function trySubstituteImportedName(node) { - if ((ts.getEmitFlags(node) & 262144) === 0) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (ts.isImportClause(declaration)) { - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), node); - } - else if (ts.isImportSpecifier(declaration)) { - var name_37 = declaration.propertyName || declaration.name; - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_37), node); - } - } + function isNameOfDeclarationWithCollidingName(node) { + var parent = node.parent; + switch (parent.kind) { + case 170: + case 222: + case 225: + case 219: + return parent.name === node + && resolver.isDeclarationWithCollidingName(parent); } - return undefined; + return false; } - function getModuleMemberName(name) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), name, name); + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 98: + return substituteThisKeyword(node); + } + return node; } - function createRequireCall(importNode) { - var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var args = []; - if (ts.isDefined(moduleName)) { - args.push(moduleName); + function substituteExpressionIdentifier(node) { + if (enabledSubstitutions & 2) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + return ts.getGeneratedNameForNode(declaration.name); + } } - return ts.createCall(ts.createIdentifier("require"), undefined, args); + return node; } - function createExportStatement(name, value, location) { - var statement = ts.createStatement(createExportAssignment(name, value)); - statement.startsOnNewLine = true; - if (location) { - ts.setSourceMapRange(statement, location); + function substituteThisKeyword(node) { + if (enabledSubstitutions & 1 + && enclosingFunction + && ts.getEmitFlags(enclosingFunction) & 256) { + return ts.createIdentifier("_this", node); } - return statement; + return node; } - function createExportAssignment(name, value) { - return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); + function getLocalName(node, allowComments, allowSourceMaps) { + return getDeclarationName(node, allowComments, allowSourceMaps, 262144); } - function collectAsynchronousDependencies(node, includeNonAmdDependencies) { - var aliasedModuleNames = []; - var unaliasedModuleNames = []; - var importAliasNames = []; - for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { - var amdDependency = _a[_i]; - if (amdDependency.name) { - aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); - importAliasNames.push(ts.createParameter(amdDependency.name)); - } - else { - unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { + if (node.name && !ts.isGeneratedIdentifier(node.name)) { + var name_36 = ts.getMutableClone(node.name); + emitFlags |= ts.getEmitFlags(node.name); + if (!allowSourceMaps) { + emitFlags |= 1536; } - } - for (var _b = 0, externalImports_1 = externalImports; _b < externalImports_1.length; _b++) { - var importNode = externalImports_1[_b]; - var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); - if (includeNonAmdDependencies && importAliasName) { - ts.setEmitFlags(importAliasName, 128); - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(ts.createParameter(importAliasName)); + if (!allowComments) { + emitFlags |= 49152; } - else { - unaliasedModuleNames.push(externalModuleName); + if (emitFlags) { + ts.setEmitFlags(name_36, emitFlags); } + return name_36; } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + return ts.getGeneratedNameForNode(node); } - function updateSourceFile(node, statements) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - return updated; + function getClassMemberPrefix(node, member) { + var expression = getLocalName(node); + return ts.hasModifier(member, 32) ? expression : ts.createPropertyAccess(expression, "prototype"); + } + function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { + if (!constructor || !hasExtendsClause) { + return false; + } + var parameter = ts.singleOrUndefined(constructor.parameters); + if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { + return false; + } + var statement = ts.firstOrUndefined(constructor.body.statements); + if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203) { + return false; + } + var statementExpression = statement.expression; + if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175) { + return false; + } + var callTarget = statementExpression.expression; + if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96) { + return false; + } + var callArgument = ts.singleOrUndefined(statementExpression.arguments); + if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192) { + return false; + } + var expression = callArgument.expression; + return ts.isIdentifier(expression) && expression === parameter.name; } - var _a; } - ts.transformModule = transformModule; + ts.transformES2015 = transformES2015; })(ts || (ts = {})); var ts; (function (ts) { - function transformSystemModule(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; + var instructionNames = ts.createMap((_a = {}, + _a[2] = "return", + _a[3] = "break", + _a[4] = "yield", + _a[5] = "yield*", + _a[7] = "endfinally", + _a)); + function transformGenerators(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70); - context.enableSubstitution(188); - context.enableSubstitution(186); - context.enableSubstitution(187); - context.enableEmitNotification(256); - var exportFunctionForFileMap = []; var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var exportFunctionForFile; - var contextObjectForFile; - var exportedLocalNames; - var exportedFunctionDeclarations; - var enclosingBlockScopedContainer; - var currentParent; - var currentNode; + var renamedCatchVariables; + var renamedCatchVariableDeclarations; + var inGeneratorFunctionBody; + var inStatementContainingYield; + var blocks; + var blockOffsets; + var blockActions; + var blockStack; + var labelOffsets; + var labelExpressions; + var nextLabelId = 1; + var operations; + var operationArguments; + var operationLocations; + var state; + var blockIndex = 0; + var labelNumber = 0; + var labelNumbers; + var lastOperationWasAbrupt; + var lastOperationWasCompletion; + var clauses; + var statements; + var exceptionBlockStack; + var currentExceptionBlock; + var withBlockStack; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + if (node.transformFlags & 4096) { currentSourceFile = node; - currentNode = node; - var updated = transformSystemModuleWorker(node); - ts.aggregateTransformFlags(updated); + node = ts.visitEachChild(node, visitor, context); currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - exportedLocalNames = undefined; - exportedFunctionDeclarations = undefined; - return updated; } return node; } - function transformSystemModuleWorker(node) { - ts.Debug.assert(!exportFunctionForFile); - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - exportFunctionForFile = ts.createUniqueName("exports"); - contextObjectForFile = ts.createUniqueName("context"); - exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; - var dependencyGroups = collectDependencyGroups(externalImports); - var statements = []; - addSystemModuleBody(statements, node, dependencyGroups); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); - var body = ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ - ts.createParameter(exportFunctionForFile), - ts.createParameter(contextObjectForFile) - ], undefined, ts.setEmitFlags(ts.createBlock(statements, undefined, true), 1)); - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), undefined, moduleName - ? [moduleName, dependencies, body] - : [dependencies, body])) - ], ~1 & ts.getEmitFlags(node)); - var _a; - } - function addSystemModuleBody(statements, node, dependencyGroups) { - startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitSourceElement); - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("__moduleName", undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) - ]))); - var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); - ts.addRange(statements, endLexicalEnvironment()); - ts.addRange(statements, exportedFunctionDeclarations); - var exportStarFunction = addExportStarIfNeeded(statements); - statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ - ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), - ts.createPropertyAssignment("execute", ts.createFunctionExpression(undefined, undefined, undefined, undefined, [], undefined, ts.createBlock(executeStatements, undefined, true))) - ]), true))); - } - function addExportStarIfNeeded(statements) { - if (!hasExportStarsToExportValues) { - return; + function visitor(node) { + var transformFlags = node.transformFlags; + if (inStatementContainingYield) { + return visitJavaScriptInStatementContainingYield(node); } - if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { - var hasExportDeclarationWithExportClause = false; - for (var _i = 0, externalImports_2 = externalImports; _i < externalImports_2.length; _i++) { - var externalImport = externalImports_2[_i]; - if (externalImport.kind === 237 && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - return addExportStarFunction(statements, undefined); - } + else if (inGeneratorFunctionBody) { + return visitJavaScriptInGeneratorFunctionBody(node); } - var exportedNames = []; - if (exportedLocalNames) { - for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { - var exportedLocalName = exportedLocalNames_1[_a]; - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); - } + else if (transformFlags & 2048) { + return visitGenerator(node); } - for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { - var externalImport = externalImports_3[_b]; - if (externalImport.kind !== 237) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - continue; - } - for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { - var element = _d[_c]; - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); - } + else if (transformFlags & 4096) { + return ts.visitEachChild(node, visitor, context); } - var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exportedNamesStorageRef, undefined, ts.createObjectLiteral(exportedNames, undefined, true)) - ]))); - return addExportStarFunction(statements, exportedNamesStorageRef); - } - function generateSetters(exportStarFunction, dependencyGroups) { - var setters = []; - for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { - var group = dependencyGroups_1[_i]; - var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); - var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); - var statements = []; - for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { - var entry = _b[_a]; - var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); - switch (entry.kind) { - case 231: - if (!entry.importClause) { - break; - } - case 230: - ts.Debug.assert(importVariableName !== undefined); - statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); - break; - case 237: - ts.Debug.assert(importVariableName !== undefined); - if (entry.exportClause) { - var properties = []; - for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { - var e = _d[_c]; - properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); - } - statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [ts.createObjectLiteral(properties, undefined, true)]))); - } - else { - statements.push(ts.createStatement(ts.createCall(exportStarFunction, undefined, [parameterName]))); - } - break; - } - } - setters.push(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, ts.createBlock(statements, undefined, true))); + else { + return node; } - return ts.createArrayLiteral(setters, undefined, true); } - function visitSourceElement(node) { + function visitJavaScriptInStatementContainingYield(node) { switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 237: - return visitExportDeclaration(node); - case 236: - return visitExportAssignment(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 214: + return visitSwitchStatement(node); + case 215: + return visitLabeledStatement(node); default: - return visitNestedNode(node); - } - } - function visitNestedNode(node) { - var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var currentGrandparent = currentParent; - currentParent = currentNode; - currentNode = node; - if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { - enclosingBlockScopedContainer = currentParent; + return visitJavaScriptInGeneratorFunctionBody(node); } - var result = visitNestedNodeWorker(node); - enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; - return result; } - function visitNestedNodeWorker(node) { + function visitJavaScriptInGeneratorFunctionBody(node) { switch (node.kind) { - case 201: - return visitVariableStatement(node); case 221: return visitFunctionDeclaration(node); - case 222: - return visitClassDeclaration(node); + case 180: + return visitFunctionExpression(node); + case 150: + case 151: + return visitAccessorDeclaration(node); + case 201: + return visitVariableStatement(node); case 207: return visitForStatement(node); case 208: return visitForInStatement(node); - case 209: - return visitForOfStatement(node); - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 215: - return visitLabeledStatement(node); - case 213: - return visitWithStatement(node); - case 214: - return visitSwitchStatement(node); - case 228: - return visitCaseBlock(node); - case 249: - return visitCaseClause(node); - case 250: - return visitDefaultClause(node); - case 217: - return visitTryStatement(node); - case 252: - return visitCatchClause(node); - case 200: - return visitBlock(node); - case 203: - return visitExpressionStatement(node); + case 211: + return visitBreakStatement(node); + case 210: + return visitContinueStatement(node); + case 212: + return visitReturnStatement(node); default: - return node; + if (node.transformFlags & 16777216) { + return visitJavaScriptContainingYield(node); + } + else if (node.transformFlags & (4096 | 33554432)) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } } } - function visitImportDeclaration(node) { - if (node.importClause && ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function visitJavaScriptContainingYield(node) { + switch (node.kind) { + case 188: + return visitBinaryExpression(node); + case 189: + return visitConditionalExpression(node); + case 191: + return visitYieldExpression(node); + case 171: + return visitArrayLiteralExpression(node); + case 172: + return visitObjectLiteralExpression(node); + case 174: + return visitElementAccessExpression(node); + case 175: + return visitCallExpression(node); + case 176: + return visitNewExpression(node); + default: + return ts.visitEachChild(node, visitor, context); } - return undefined; } - function visitImportEqualsDeclaration(node) { - if (ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function visitGenerator(node) { + switch (node.kind) { + case 221: + return visitFunctionDeclaration(node); + case 180: + return visitFunctionExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } - return undefined; } - function visitExportDeclaration(node) { - if (!node.moduleSpecifier) { - var statements = []; - ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); - return statements; + function visitFunctionDeclaration(node) { + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + node = ts.setOriginalNode(ts.createFunctionDeclaration(undefined, undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); } - return undefined; - } - function visitExportSpecifier(specifier) { - recordExportName(specifier.name); - return createExportStatement(specifier.name, specifier.propertyName || specifier.name); - } - function visitExportAssignment(node) { - if (node.isExportEquals) { + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + if (inGeneratorFunctionBody) { + hoistFunctionDeclaration(node); return undefined; } - return createExportStatement(ts.createLiteral("default"), node.expression); + else { + return node; + } + } + function visitFunctionExpression(node) { + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + node = ts.setOriginalNode(ts.createFunctionExpression(undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + return node; + } + function visitAccessorDeclaration(node) { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + return node; + } + function transformGeneratorFunctionBody(body) { + var statements = []; + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + var savedBlocks = blocks; + var savedBlockOffsets = blockOffsets; + var savedBlockActions = blockActions; + var savedBlockStack = blockStack; + var savedLabelOffsets = labelOffsets; + var savedLabelExpressions = labelExpressions; + var savedNextLabelId = nextLabelId; + var savedOperations = operations; + var savedOperationArguments = operationArguments; + var savedOperationLocations = operationLocations; + var savedState = state; + inGeneratorFunctionBody = true; + inStatementContainingYield = false; + blocks = undefined; + blockOffsets = undefined; + blockActions = undefined; + blockStack = undefined; + labelOffsets = undefined; + labelExpressions = undefined; + nextLabelId = 1; + operations = undefined; + operationArguments = undefined; + operationLocations = undefined; + state = ts.createTempVariable(undefined); + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); + transformAndEmitStatements(body.statements, statementOffset); + var buildResult = build(); + ts.addRange(statements, endLexicalEnvironment()); + statements.push(ts.createReturn(buildResult)); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + blocks = savedBlocks; + blockOffsets = savedBlockOffsets; + blockActions = savedBlockActions; + blockStack = savedBlockStack; + labelOffsets = savedLabelOffsets; + labelExpressions = savedLabelExpressions; + nextLabelId = savedNextLabelId; + operations = savedOperations; + operationArguments = savedOperationArguments; + operationLocations = savedOperationLocations; + state = savedState; + return ts.createBlock(statements, body, body.multiLine); } function visitVariableStatement(node) { - var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3) == 0) || - enclosingBlockScopedContainer.kind === 256; - if (!shouldHoist) { - return node; + if (node.transformFlags & 16777216) { + transformAndEmitVariableDeclarationList(node.declarationList); + return undefined; } - var isExported = ts.hasModifier(node, 1); - var expressions = []; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, isExported); - if (visited) { - expressions.push(visited); + else { + if (ts.getEmitFlags(node) & 8388608) { + return node; } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; + } + return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); } - if (expressions.length) { - return ts.createStatement(ts.inlineExpressions(expressions), node); - } - return undefined; } - function transformVariable(node, isExported) { - hoistBindingElement(node, isExported); - if (!node.initializer) { - return; - } - var name = node.name; - if (ts.isIdentifier(name)) { - return ts.createAssignment(name, node.initializer); - } - else { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); + function visitBinaryExpression(node) { + switch (ts.getExpressionAssociativity(node)) { + case 0: + return visitLeftAssociativeBinaryExpression(node); + case 1: + return visitRightAssociativeBinaryExpression(node); + default: + ts.Debug.fail("Unknown associativity."); } } - function visitFunctionDeclaration(node) { - if (ts.hasModifier(node, 1)) { - var name_38 = node.name || ts.getGeneratedNameForNode(node); - var isAsync = ts.hasModifier(node, 256); - var newNode = ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name_38, undefined, node.parameters, undefined, node.body, node); - recordExportedFunctionDeclaration(node); - if (!ts.hasModifier(node, 512)) { - recordExportName(name_38); - } - ts.setOriginalNode(newNode, node); - node = newNode; + function isCompoundAssignment(kind) { + return kind >= 58 + && kind <= 69; + } + function getOperatorForCompoundAssignment(kind) { + switch (kind) { + case 58: return 36; + case 59: return 37; + case 60: return 38; + case 61: return 39; + case 62: return 40; + case 63: return 41; + case 64: return 44; + case 65: return 45; + case 66: return 46; + case 67: return 47; + case 68: return 48; + case 69: return 49; } - hoistFunctionDeclaration(node); - return undefined; } - function visitExpressionStatement(node) { - var originalNode = ts.getOriginalNode(node); - if ((originalNode.kind === 226 || originalNode.kind === 225) && ts.hasModifier(originalNode, 1)) { - var name_39 = getDeclarationName(originalNode); - if (originalNode.kind === 225) { - hoistVariableDeclaration(name_39); + function visitRightAssociativeBinaryExpression(node) { + var left = node.left, right = node.right; + if (containsYield(right)) { + var target = void 0; + switch (left.kind) { + case 173: + target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); + break; + case 174: + target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); + break; + default: + target = ts.visitNode(left, visitor, ts.isExpression); + break; + } + var operator = node.operatorToken.kind; + if (isCompoundAssignment(operator)) { + return ts.createBinary(target, 57, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); + } + else { + return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); } - return [ - node, - createExportStatement(name_39, name_39) - ]; } - return node; + return ts.visitEachChild(node, visitor, context); } - function visitClassDeclaration(node) { - var name = getDeclarationName(node); - hoistVariableDeclaration(name); - var statements = []; - statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression(undefined, node.name, undefined, node.heritageClauses, node.members, node)), node)); - if (ts.hasModifier(node, 1)) { - if (!ts.hasModifier(node, 512)) { - recordExportName(name); + function visitLeftAssociativeBinaryExpression(node) { + if (containsYield(node.right)) { + if (ts.isLogicalOperator(node.operatorToken.kind)) { + return visitLogicalBinaryExpression(node); } - statements.push(createDeclarationExport(node)); + else if (node.operatorToken.kind === 25) { + return visitCommaExpression(node); + } + var clone_6 = ts.getMutableClone(node); + clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); + clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); + return clone_6; } - return statements; - } - function shouldHoistLoopInitializer(node) { - return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3) === 0; + return ts.visitEachChild(node, visitor, context); } - function visitForStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var expressions = []; - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, false); - if (visited) { - expressions.push(visited); - } - } - ; - return ts.createFor(expressions.length - ? ts.inlineExpressions(expressions) - : ts.createSynthesizedNode(194), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), node); + function visitLogicalBinaryExpression(node) { + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), node.left); + if (node.operatorToken.kind === 52) { + emitBreakWhenFalse(resultLabel, resultLocal, node.left); } else { - return ts.visitEachChild(node, visitNestedNode, context); + emitBreakWhenTrue(resultLabel, resultLocal, node.left); } + emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), node.right); + markLabel(resultLabel); + return resultLocal; } - function transformForBinding(node) { - var firstDeclaration = ts.firstOrUndefined(node.declarations); - hoistBindingElement(firstDeclaration, false); - var name = firstDeclaration.name; - return ts.isIdentifier(name) - ? name - : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); - } - function visitForInStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - return updated; + function visitCommaExpression(node) { + var pendingExpressions = []; + visit(node.left); + visit(node.right); + return ts.inlineExpressions(pendingExpressions); + function visit(node) { + if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25) { + visit(node.left); + visit(node.right); + } + else { + if (containsYield(node) && pendingExpressions.length > 0) { + emitWorker(1, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); + pendingExpressions = []; + } + pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); + } } - else { - return ts.visitEachChild(node, visitNestedNode, context); + } + function visitConditionalExpression(node) { + if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { + var whenFalseLabel = defineLabel(); + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), node.condition); + emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), node.whenTrue); + emitBreak(resultLabel); + markLabel(whenFalseLabel); + emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), node.whenFalse); + markLabel(resultLabel); + return resultLocal; } + return ts.visitEachChild(node, visitor, context); } - function visitForOfStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - return updated; + function visitYieldExpression(node) { + var resumeLabel = defineLabel(); + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + if (node.asteriskToken) { + emitYieldStar(expression, node); } else { - return ts.visitEachChild(node, visitNestedNode, context); + emitYield(expression, node); } + markLabel(resumeLabel); + return createGeneratorResume(); } - function visitDoStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function visitArrayLiteralExpression(node) { + return visitElements(node.elements, node.multiLine); } - function visitWhileStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function visitElements(elements, _multiLine) { + var numInitialElements = countInitialNodesWithoutYield(elements); + var temp = declareLocal(); + var hasAssignedTemp = false; + if (numInitialElements > 0) { + emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); + hasAssignedTemp = true; } - return node; - } - function visitLabeledStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); + return hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions); + function reduceElement(expressions, element) { + if (containsYield(element) && expressions.length > 0) { + emitAssignment(temp, hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions)); + hasAssignedTemp = true; + expressions = []; + } + expressions.push(ts.visitNode(element, visitor, ts.isExpression)); + return expressions; } - return node; } - function visitWithStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function visitObjectLiteralExpression(node) { + var properties = node.properties; + var multiLine = node.multiLine; + var numInitialProperties = countInitialNodesWithoutYield(properties); + var temp = declareLocal(); + emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, multiLine)); + var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); + expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); + function reduceProperty(expressions, property) { + if (containsYield(property) && expressions.length > 0) { + emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); + expressions = []; + } + var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); + var visited = ts.visitNode(expression, visitor, ts.isExpression); + if (visited) { + if (multiLine) { + visited.startsOnNewLine = true; + } + expressions.push(visited); + } + return expressions; } - return node; } - function visitSwitchStatement(node) { - var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); - if (caseBlock !== node.caseBlock) { - var updated = ts.getMutableClone(node); - updated.caseBlock = caseBlock; - return updated; + function visitElementAccessExpression(node) { + if (containsYield(node.argumentExpression)) { + var clone_7 = ts.getMutableClone(node); + clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); + clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); + return clone_7; } - return node; + return ts.visitEachChild(node, visitor, context); } - function visitCaseBlock(node) { - var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); - if (clauses !== node.clauses) { - var updated = ts.getMutableClone(node); - updated.clauses = clauses; - return updated; + function visitCallExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, true), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), node), node); } - return node; + return ts.visitEachChild(node, visitor, context); } - function visitCaseClause(node) { - var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); - if (statements !== node.statements) { - var updated = ts.getMutableClone(node); - updated.statements = statements; - return updated; + function visitNewExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), undefined, [], node), node); } - return node; - } - function visitDefaultClause(node) { - return ts.visitEachChild(node, visitNestedNode, context); - } - function visitTryStatement(node) { - return ts.visitEachChild(node, visitNestedNode, context); + return ts.visitEachChild(node, visitor, context); } - function visitCatchClause(node) { - var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); - if (block !== node.block) { - var updated = ts.getMutableClone(node); - updated.block = block; - return updated; + function transformAndEmitStatements(statements, start) { + if (start === void 0) { start = 0; } + var numStatements = statements.length; + for (var i = start; i < numStatements; i++) { + transformAndEmitStatement(statements[i]); } - return node; - } - function visitBlock(node) { - return ts.visitEachChild(node, visitNestedNode, context); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256) { - exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - exportFunctionForFile = undefined; + function transformAndEmitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + transformAndEmitStatements(node.statements); } else { - previousOnEmitNode(emitContext, node, emitCallback); + transformAndEmitStatement(node); } } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function transformAndEmitStatement(node) { + var savedInStatementContainingYield = inStatementContainingYield; + if (!inStatementContainingYield) { + inStatementContainingYield = containsYield(node); } - return node; + transformAndEmitStatementWorker(node); + inStatementContainingYield = savedInStatementContainingYield; } - function substituteExpression(node) { + function transformAndEmitStatementWorker(node) { switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 188: - return substituteBinaryExpression(node); - case 186: - case 187: - return substituteUnaryExpression(node); - } - return node; - } - function substituteExpressionIdentifier(node) { - var importDeclaration = resolver.getReferencedImportDeclaration(node); - if (importDeclaration) { - var importBinding = createImportBinding(importDeclaration); - if (importBinding) { - return importBinding; - } + case 200: + return transformAndEmitBlock(node); + case 203: + return transformAndEmitExpressionStatement(node); + case 204: + return transformAndEmitIfStatement(node); + case 205: + return transformAndEmitDoStatement(node); + case 206: + return transformAndEmitWhileStatement(node); + case 207: + return transformAndEmitForStatement(node); + case 208: + return transformAndEmitForInStatement(node); + case 210: + return transformAndEmitContinueStatement(node); + case 211: + return transformAndEmitBreakStatement(node); + case 212: + return transformAndEmitReturnStatement(node); + case 213: + return transformAndEmitWithStatement(node); + case 214: + return transformAndEmitSwitchStatement(node); + case 215: + return transformAndEmitLabeledStatement(node); + case 216: + return transformAndEmitThrowStatement(node); + case 217: + return transformAndEmitTryStatement(node); + default: + return emitStatement(ts.visitNode(node, visitor, ts.isStatement, true)); } - return node; } - function substituteBinaryExpression(node) { - if (ts.isAssignmentOperator(node.operatorToken.kind)) { - return substituteAssignmentExpression(node); + function transformAndEmitBlock(node) { + if (containsYield(node)) { + transformAndEmitStatements(node.statements); } - return node; - } - function substituteAssignmentExpression(node) { - ts.setEmitFlags(node, 128); - var left = node.left; - switch (left.kind) { - case 70: - var exportDeclaration = resolver.getReferencedExportContainer(left); - if (exportDeclaration) { - return createExportExpression(left, node); - } - break; - case 172: - case 171: - if (hasExportedReferenceInDestructuringPattern(left)) { - return substituteDestructuring(node); - } - break; + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return node; } - function isExportedBinding(name) { - var container = resolver.getReferencedExportContainer(name); - return container && container.kind === 256; + function transformAndEmitExpressionStatement(node) { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - function hasExportedReferenceInDestructuringPattern(node) { - switch (node.kind) { - case 70: - return isExportedBinding(node); - case 172: - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var property = _a[_i]; - if (hasExportedReferenceInObjectDestructuringElement(property)) { - return true; - } - } - break; - case 171: - for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { - var element = _c[_b]; - if (hasExportedReferenceInArrayDestructuringElement(element)) { - return true; - } + function transformAndEmitVariableDeclarationList(node) { + for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node); + var numVariables = variables.length; + var variablesWritten = 0; + var pendingExpressions = []; + while (variablesWritten < numVariables) { + for (var i = variablesWritten; i < numVariables; i++) { + var variable = variables[i]; + if (containsYield(variable.initializer) && pendingExpressions.length > 0) { + break; } - break; + pendingExpressions.push(transformInitializedVariable(variable)); + } + if (pendingExpressions.length) { + emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); + variablesWritten += pendingExpressions.length; + pendingExpressions = []; + } } - return false; + return undefined; } - function hasExportedReferenceInObjectDestructuringElement(node) { - if (ts.isShorthandPropertyAssignment(node)) { - return isExportedBinding(node.name); - } - else if (ts.isPropertyAssignment(node)) { - return hasExportedReferenceInDestructuringElement(node.initializer); + function transformInitializedVariable(node) { + return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + } + function transformAndEmitIfStatement(node) { + if (containsYield(node)) { + if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { + var endLabel = defineLabel(); + var elseLabel = node.elseStatement ? defineLabel() : undefined; + emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + emitBreak(endLabel); + markLabel(elseLabel); + transformAndEmitEmbeddedStatement(node.elseStatement); + } + markLabel(endLabel); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } } else { - return false; + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function hasExportedReferenceInArrayDestructuringElement(node) { - if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + function transformAndEmitDoStatement(node) { + if (containsYield(node)) { + var conditionLabel = defineLabel(); + var loopLabel = defineLabel(); + beginLoopBlock(conditionLabel); + markLabel(loopLabel); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(conditionLabel); + emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + endLoopBlock(); } else { - return hasExportedReferenceInDestructuringElement(node); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function hasExportedReferenceInDestructuringElement(node) { - if (ts.isBinaryExpression(node)) { - var left = node.left; - return node.operatorToken.kind === 57 - && isDestructuringPattern(left) - && hasExportedReferenceInDestructuringPattern(left); - } - else if (ts.isIdentifier(node)) { - return isExportedBinding(node); + function visitDoStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } - else if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + else { + return ts.visitEachChild(node, visitor, context); } - else if (isDestructuringPattern(node)) { - return hasExportedReferenceInDestructuringPattern(node); + } + function transformAndEmitWhileStatement(node) { + if (containsYield(node)) { + var loopLabel = defineLabel(); + var endLabel = beginLoopBlock(loopLabel); + markLabel(loopLabel); + emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.statement); + emitBreak(loopLabel); + endLoopBlock(); } else { - return false; + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function isDestructuringPattern(node) { - var kind = node.kind; - return kind === 70 - || kind === 172 - || kind === 171; - } - function substituteDestructuring(node) { - return ts.flattenDestructuringAssignment(context, node, true, hoistVariableDeclaration); + function visitWhileStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; + } + else { + return ts.visitEachChild(node, visitor, context); + } } - function substituteUnaryExpression(node) { - var operand = node.operand; - var operator = node.operator; - var substitute = ts.isIdentifier(operand) && - (node.kind === 187 || - (node.kind === 186 && (operator === 42 || operator === 43))); - if (substitute) { - var exportDeclaration = resolver.getReferencedExportContainer(operand); - if (exportDeclaration) { - var expr = ts.createPrefix(node.operator, operand, node); - ts.setEmitFlags(expr, 128); - var call = createExportExpression(operand, expr); - if (node.kind === 186) { - return call; + function transformAndEmitForStatement(node) { + if (containsYield(node)) { + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + if (node.initializer) { + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + transformAndEmitVariableDeclarationList(initializer); } else { - return operator === 42 - ? ts.createSubtract(call, ts.createLiteral(1)) - : ts.createAdd(call, ts.createLiteral(1)); + emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), initializer)); } } + markLabel(conditionLabel); + if (node.condition) { + emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + } + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + if (node.incrementor) { + emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), node.incrementor)); + } + emitBreak(conditionLabel); + endLoopBlock(); } - return node; - } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); - } - function addExportStarFunction(statements, localNames) { - var exportStarFunction = ts.createUniqueName("exportStar"); - var m = ts.createIdentifier("m"); - var n = ts.createIdentifier("n"); - var exports = ts.createIdentifier("exports"); - var condition = ts.createStrictInequality(n, ts.createLiteral("default")); - if (localNames) { - condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - statements.push(ts.createFunctionDeclaration(undefined, undefined, undefined, exportStarFunction, undefined, [ts.createParameter(m)], undefined, ts.createBlock([ - ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exports, undefined, ts.createObjectLiteral([])) - ])), - ts.createForIn(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(n, undefined) - ]), m, ts.createBlock([ - ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32) - ])), - ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [exports])) - ], undefined, true))); - return exportStarFunction; - } - function createExportExpression(name, value) { - var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; - return ts.createCall(exportFunctionForFile, undefined, [exportName, value]); - } - function createExportStatement(name, value) { - return ts.createStatement(createExportExpression(name, value)); - } - function createDeclarationExport(node) { - var declarationName = getDeclarationName(node); - var exportName = ts.hasModifier(node, 512) ? ts.createLiteral("default") : declarationName; - return createExportStatement(exportName, declarationName); } - function createImportBinding(importDeclaration) { - var importAlias; - var name; - if (ts.isImportClause(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); - name = ts.createIdentifier("default"); + function visitForStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); } - else if (ts.isImportSpecifier(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); - name = importDeclaration.propertyName || importDeclaration.name; + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(initializer); + node = ts.updateFor(node, variables.length > 0 + ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) + : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, true), ts.visitNode(node.incrementor, visitor, ts.isExpression, true), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); } else { - return undefined; + node = ts.visitEachChild(node, visitor, context); } - return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); + if (inStatementContainingYield) { + endLoopBlock(); + } + return node; } - function collectDependencyGroups(externalImports) { - var groupIndices = ts.createMap(); - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var externalImport = externalImports[i]; - var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); - var text = externalModuleName.text; - if (ts.hasProperty(groupIndices, text)) { - var groupIndex = groupIndices[text]; - dependencyGroups[groupIndex].externalImports.push(externalImport); - continue; + function transformAndEmitForInStatement(node) { + if (containsYield(node)) { + var keysArray = declareLocal(); + var key = declareLocal(); + var keysIndex = ts.createLoopVariable(); + var initializer = node.initializer; + hoistVariableDeclaration(keysIndex); + emitAssignment(keysArray, ts.createArrayLiteral()); + emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), undefined, [key])))); + emitAssignment(keysIndex, ts.createLiteral(0)); + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + markLabel(conditionLabel); + emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); + var variable = void 0; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable_1 = _a[_i]; + hoistVariableDeclaration(variable_1.name); + } + variable = ts.getSynthesizedClone(initializer.declarations[0].name); } else { - groupIndices[text] = dependencyGroups.length; - dependencyGroups.push({ - name: externalModuleName, - externalImports: [externalImport] - }); + variable = ts.visitNode(initializer, visitor, ts.isExpression); + ts.Debug.assert(ts.isLeftHandSideExpression(variable)); } + emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); + emitBreak(conditionLabel); + endLoopBlock(); } - return dependencyGroups; - } - function getNameOfDependencyGroup(dependencyGroup) { - return dependencyGroup.name; - } - function recordExportName(name) { - if (!exportedLocalNames) { - exportedLocalNames = []; - } - exportedLocalNames.push(name); - } - function recordExportedFunctionDeclaration(node) { - if (!exportedFunctionDeclarations) { - exportedFunctionDeclarations = []; + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - exportedFunctionDeclarations.push(createDeclarationExport(node)); } - function hoistBindingElement(node, isExported) { - if (ts.isOmittedExpression(node)) { - return; + function visitForInStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); } - var name = node.name; - if (ts.isIdentifier(name)) { - hoistVariableDeclaration(ts.getSynthesizedClone(name)); - if (isExported) { - recordExportName(name); + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } + node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); - } - } - function hoistExportedBindingElement(node) { - hoistBindingElement(node, true); - } - function hoistNonExportedBindingElement(node) { - hoistBindingElement(node, false); - } - function updateSourceFile(node, statements, nodeEmitFlags) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - ts.setEmitFlags(updated, nodeEmitFlags); - return updated; - } - } - ts.transformSystemModule = transformSystemModule; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2015Module(context) { - var compilerOptions = context.getCompilerOptions(); - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - return ts.visitEachChild(node, visitor, context); + else { + node = ts.visitEachChild(node, visitor, context); } - return node; - } - function visitor(node) { - switch (node.kind) { - case 230: - return undefined; - case 236: - return visitExportAssignment(node); + if (inStatementContainingYield) { + endLoopBlock(); } return node; } - function visitExportAssignment(node) { - return node.isExportEquals ? undefined : node; + function transformAndEmitContinueStatement(node) { + var label = findContinueTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); + emitBreak(label, node); } - } - ts.transformES2015Module = transformES2015Module; -})(ts || (ts = {})); -var ts; -(function (ts) { - var moduleTransformerMap = ts.createMap((_a = {}, - _a[ts.ModuleKind.ES2015] = ts.transformES2015Module, - _a[ts.ModuleKind.System] = ts.transformSystemModule, - _a[ts.ModuleKind.AMD] = ts.transformModule, - _a[ts.ModuleKind.CommonJS] = ts.transformModule, - _a[ts.ModuleKind.UMD] = ts.transformModule, - _a[ts.ModuleKind.None] = ts.transformModule, - _a)); - var SyntaxKindFeatureFlags; - (function (SyntaxKindFeatureFlags) { - SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["Substitution"] = 1] = "Substitution"; - SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["EmitNotifications"] = 2] = "EmitNotifications"; - })(SyntaxKindFeatureFlags || (SyntaxKindFeatureFlags = {})); - function getTransformers(compilerOptions) { - var jsx = compilerOptions.jsx; - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var transformers = []; - transformers.push(ts.transformTypeScript); - transformers.push(moduleTransformerMap[moduleKind] || moduleTransformerMap[ts.ModuleKind.None]); - if (jsx === 2) { - transformers.push(ts.transformJsx); + function visitContinueStatement(node) { + if (inStatementContainingYield) { + var label = findContinueTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, node); + } + } + return ts.visitEachChild(node, visitor, context); } - if (languageVersion < 4) { - transformers.push(ts.transformES2017); + function transformAndEmitBreakStatement(node) { + var label = findBreakTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); + emitBreak(label, node); } - if (languageVersion < 3) { - transformers.push(ts.transformES2016); + function visitBreakStatement(node) { + if (inStatementContainingYield) { + var label = findBreakTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, node); + } + } + return ts.visitEachChild(node, visitor, context); } - if (languageVersion < 2) { - transformers.push(ts.transformES2015); - transformers.push(ts.transformGenerators); + function transformAndEmitReturnStatement(node) { + emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); } - if (languageVersion < 1) { - transformers.push(ts.transformES5); + function visitReturnStatement(node) { + return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); } - return transformers; - } - ts.getTransformers = getTransformers; - function transformFiles(resolver, host, sourceFiles, transformers) { - var lexicalEnvironmentVariableDeclarationsStack = []; - var lexicalEnvironmentFunctionDeclarationsStack = []; - var enabledSyntaxKindFeatures = new Array(289); - var lexicalEnvironmentStackOffset = 0; - var hoistedVariableDeclarations; - var hoistedFunctionDeclarations; - var lexicalEnvironmentDisabled; - var context = { - getCompilerOptions: function () { return host.getCompilerOptions(); }, - getEmitResolver: function () { return resolver; }, - getEmitHost: function () { return host; }, - hoistVariableDeclaration: hoistVariableDeclaration, - hoistFunctionDeclaration: hoistFunctionDeclaration, - startLexicalEnvironment: startLexicalEnvironment, - endLexicalEnvironment: endLexicalEnvironment, - onSubstituteNode: function (_emitContext, node) { return node; }, - enableSubstitution: enableSubstitution, - isSubstitutionEnabled: isSubstitutionEnabled, - onEmitNode: function (node, emitContext, emitCallback) { return emitCallback(node, emitContext); }, - enableEmitNotification: enableEmitNotification, - isEmitNotificationEnabled: isEmitNotificationEnabled - }; - var transformation = ts.chain.apply(void 0, transformers)(context); - var transformed = ts.map(sourceFiles, transformSourceFile); - lexicalEnvironmentDisabled = true; - return { - transformed: transformed, - emitNodeWithSubstitution: emitNodeWithSubstitution, - emitNodeWithNotification: emitNodeWithNotification - }; - function transformSourceFile(sourceFile) { - if (ts.isDeclarationFile(sourceFile)) { - return sourceFile; + function transformAndEmitWithStatement(node) { + if (containsYield(node)) { + beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); + transformAndEmitEmbeddedStatement(node.statement); + endWithBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return transformation(sourceFile); - } - function enableSubstitution(kind) { - enabledSyntaxKindFeatures[kind] |= 1; - } - function isSubstitutionEnabled(node) { - return (enabledSyntaxKindFeatures[node.kind] & 1) !== 0 - && (ts.getEmitFlags(node) & 128) === 0; } - function emitNodeWithSubstitution(emitContext, node, emitCallback) { - if (node) { - if (isSubstitutionEnabled(node)) { - var substitute = context.onSubstituteNode(emitContext, node); - if (substitute && substitute !== node) { - emitCallback(emitContext, substitute); - return; + function transformAndEmitSwitchStatement(node) { + if (containsYield(node.caseBlock)) { + var caseBlock = node.caseBlock; + var numClauses = caseBlock.clauses.length; + var endLabel = beginSwitchBlock(); + var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); + var clauseLabels = []; + var defaultClauseIndex = -1; + for (var i = 0; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + clauseLabels.push(defineLabel()); + if (clause.kind === 250 && defaultClauseIndex === -1) { + defaultClauseIndex = i; } } - emitCallback(emitContext, node); - } - } - function enableEmitNotification(kind) { - enabledSyntaxKindFeatures[kind] |= 2; - } - function isEmitNotificationEnabled(node) { - return (enabledSyntaxKindFeatures[node.kind] & 2) !== 0 - || (ts.getEmitFlags(node) & 64) !== 0; - } - function emitNodeWithNotification(emitContext, node, emitCallback) { - if (node) { - if (isEmitNotificationEnabled(node)) { - context.onEmitNode(emitContext, node, emitCallback); + var clausesWritten = 0; + var pendingClauses = []; + while (clausesWritten < numClauses) { + var defaultClausesSkipped = 0; + for (var i = clausesWritten; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + if (clause.kind === 249) { + var caseClause = clause; + if (containsYield(caseClause.expression) && pendingClauses.length > 0) { + break; + } + pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ + createInlineBreak(clauseLabels[i], caseClause.expression) + ])); + } + else { + defaultClausesSkipped++; + } + } + if (pendingClauses.length) { + emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); + clausesWritten += pendingClauses.length; + pendingClauses = []; + } + if (defaultClausesSkipped > 0) { + clausesWritten += defaultClausesSkipped; + defaultClausesSkipped = 0; + } + } + if (defaultClauseIndex >= 0) { + emitBreak(clauseLabels[defaultClauseIndex]); } else { - emitCallback(emitContext, node); + emitBreak(endLabel); + } + for (var i = 0; i < numClauses; i++) { + markLabel(clauseLabels[i]); + transformAndEmitStatements(caseBlock.clauses[i].statements); } + endSwitchBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function hoistVariableDeclaration(name) { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); - var decl = ts.createVariableDeclaration(name); - if (!hoistedVariableDeclarations) { - hoistedVariableDeclarations = [decl]; + function visitSwitchStatement(node) { + if (inStatementContainingYield) { + beginScriptSwitchBlock(); } - else { - hoistedVariableDeclarations.push(decl); + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endSwitchBlock(); } + return node; } - function hoistFunctionDeclaration(func) { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); - if (!hoistedFunctionDeclarations) { - hoistedFunctionDeclarations = [func]; + function transformAndEmitLabeledStatement(node) { + if (containsYield(node)) { + beginLabeledBlock(node.label.text); + transformAndEmitEmbeddedStatement(node.statement); + endLabeledBlock(); } else { - hoistedFunctionDeclarations.push(func); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function startLexicalEnvironment() { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot start a lexical environment during the print phase."); - lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedVariableDeclarations; - lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedFunctionDeclarations; - lexicalEnvironmentStackOffset++; - hoistedVariableDeclarations = undefined; - hoistedFunctionDeclarations = undefined; + function visitLabeledStatement(node) { + if (inStatementContainingYield) { + beginScriptLabeledBlock(node.label.text); + } + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endLabeledBlock(); + } + return node; } - function endLexicalEnvironment() { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot end a lexical environment during the print phase."); - var statements; - if (hoistedVariableDeclarations || hoistedFunctionDeclarations) { - if (hoistedFunctionDeclarations) { - statements = hoistedFunctionDeclarations.slice(); + function transformAndEmitThrowStatement(node) { + emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), node); + } + function transformAndEmitTryStatement(node) { + if (containsYield(node)) { + beginExceptionBlock(); + transformAndEmitEmbeddedStatement(node.tryBlock); + if (node.catchClause) { + beginCatchBlock(node.catchClause.variableDeclaration); + transformAndEmitEmbeddedStatement(node.catchClause.block); } - if (hoistedVariableDeclarations) { - var statement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList(hoistedVariableDeclarations)); - if (!statements) { - statements = [statement]; - } - else { - statements.push(statement); - } + if (node.finallyBlock) { + beginFinallyBlock(); + transformAndEmitEmbeddedStatement(node.finallyBlock); } + endExceptionBlock(); + } + else { + emitStatement(ts.visitEachChild(node, visitor, context)); } - lexicalEnvironmentStackOffset--; - hoistedVariableDeclarations = lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset]; - hoistedFunctionDeclarations = lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset]; - return statements; } - } - ts.transformFiles = transformFiles; - var _a; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDeclarationDiagnostics(host, resolver, targetSourceFile) { - var declarationDiagnostics = ts.createDiagnosticCollection(); - ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); - return declarationDiagnostics.getDiagnostics(targetSourceFile ? targetSourceFile.fileName : undefined); - function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { - var declarationFilePath = _a.declarationFilePath; - emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit, false); + function containsYield(node) { + return node && (node.transformFlags & 16777216) !== 0; } - } - ts.getDeclarationDiagnostics = getDeclarationDiagnostics; - function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles) { - var newLine = host.getNewLine(); - var compilerOptions = host.getCompilerOptions(); - var write; - var writeLine; - var increaseIndent; - var decreaseIndent; - var writeTextOfNode; - var writer; - createAndSetNewTextWriterWithSymbolWriter(); - var enclosingDeclaration; - var resultHasExternalModuleIndicator; - var currentText; - var currentLineMap; - var currentIdentifiers; - var isCurrentFileExternalModule; - var reportedDeclarationError = false; - var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function () { } : writeJsDocComments; - var emit = compilerOptions.stripInternal ? stripInternal : emitNode; - var noDeclare; - var moduleElementDeclarationEmitInfo = []; - var asynchronousSubModuleDeclarationEmitInfo; - var referencesOutput = ""; - var usedTypeDirectiveReferences; - var emittedReferencedFiles = []; - var addedGlobalFileReference = false; - var allSourcesModuleElementDeclarationEmitInfo = []; - ts.forEach(sourceFiles, function (sourceFile) { - if (ts.isSourceFileJavaScript(sourceFile)) { - return; - } - if (!compilerOptions.noResolve) { - ts.forEach(sourceFile.referencedFiles, function (fileReference) { - var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); - if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { - if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference, emitOnlyDtsFiles)) { - addedGlobalFileReference = true; - } - emittedReferencedFiles.push(referencedFile); - } - }); + function countInitialNodesWithoutYield(nodes) { + var numNodes = nodes.length; + for (var i = 0; i < numNodes; i++) { + if (containsYield(nodes[i])) { + return i; + } } - resultHasExternalModuleIndicator = false; - if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { - noDeclare = false; - emitSourceFile(sourceFile); + return -1; + } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - else if (ts.isExternalModule(sourceFile)) { - noDeclare = true; - write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); - writeLine(); - increaseIndent(); - emitSourceFile(sourceFile); - decreaseIndent(); - write("}"); - writeLine(); + return node; + } + function substituteExpression(node) { + if (ts.isIdentifier(node)) { + return substituteExpressionIdentifier(node); } - if (moduleElementDeclarationEmitInfo.length) { - var oldWriter = writer; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { - ts.Debug.assert(aliasEmitInfo.node.kind === 231); - createAndSetNewTextWriterWithSymbolWriter(); - ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - increaseIndent(); - } - writeImportDeclaration(aliasEmitInfo.node); - aliasEmitInfo.asynchronousOutput = writer.getText(); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - decreaseIndent(); + return node; + } + function substituteExpressionIdentifier(node) { + if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { + var original = ts.getOriginalNode(node); + if (ts.isIdentifier(original) && original.parent) { + var declaration = resolver.getReferencedValueDeclaration(original); + if (declaration) { + var name_37 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); + if (name_37) { + var clone_8 = ts.getMutableClone(name_37); + ts.setSourceMapRange(clone_8, node); + ts.setCommentRange(clone_8, node); + return clone_8; } } - }); - setWriter(oldWriter); - allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); - moduleElementDeclarationEmitInfo = []; + } } - if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { - write("export {};"); - writeLine(); + return node; + } + function cacheExpression(node) { + var temp; + if (ts.isGeneratedIdentifier(node)) { + return node; } - }); - if (usedTypeDirectiveReferences) { - for (var directive in usedTypeDirectiveReferences) { - referencesOutput += "/// " + newLine; + temp = ts.createTempVariable(hoistVariableDeclaration); + emitAssignment(temp, node, node); + return temp; + } + function declareLocal(name) { + var temp = name + ? ts.createUniqueName(name) + : ts.createTempVariable(undefined); + hoistVariableDeclaration(temp); + return temp; + } + function defineLabel() { + if (!labelOffsets) { + labelOffsets = []; } + var label = nextLabelId; + nextLabelId++; + labelOffsets[label] = -1; + return label; } - return { - reportedDeclarationError: reportedDeclarationError, - moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, - synchronousDeclarationOutput: writer.getText(), - referencesOutput: referencesOutput, - }; - function hasInternalAnnotation(range) { - var comment = currentText.substring(range.pos, range.end); - return comment.indexOf("@internal") >= 0; + function markLabel(label) { + ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); + labelOffsets[label] = operations ? operations.length : 0; } - function stripInternal(node) { - if (node) { - var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); - if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { - return; - } - emitNode(node); + function beginBlock(block) { + if (!blocks) { + blocks = []; + blockActions = []; + blockOffsets = []; + blockStack = []; } + var index = blockActions.length; + blockActions[index] = 0; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.push(block); + return index; } - function createAndSetNewTextWriterWithSymbolWriter() { - var writer = ts.createTextWriter(newLine); - writer.trackSymbol = trackSymbol; - writer.reportInaccessibleThisError = reportInaccessibleThisError; - writer.writeKeyword = writer.write; - writer.writeOperator = writer.write; - writer.writePunctuation = writer.write; - writer.writeSpace = writer.write; - writer.writeStringLiteral = writer.writeLiteral; - writer.writeParameter = writer.write; - writer.writeSymbol = writer.write; - setWriter(writer); + function endBlock() { + var block = peekBlock(); + ts.Debug.assert(block !== undefined, "beginBlock was never called."); + var index = blockActions.length; + blockActions[index] = 1; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.pop(); + return block; } - function setWriter(newWriter) { - writer = newWriter; - write = newWriter.write; - writeTextOfNode = newWriter.writeTextOfNode; - writeLine = newWriter.writeLine; - increaseIndent = newWriter.increaseIndent; - decreaseIndent = newWriter.decreaseIndent; + function peekBlock() { + return ts.lastOrUndefined(blockStack); } - function writeAsynchronousModuleElements(nodes) { - var oldWriter = writer; - ts.forEach(nodes, function (declaration) { - var nodeToCheck; - if (declaration.kind === 219) { - nodeToCheck = declaration.parent.parent; - } - else if (declaration.kind === 234 || declaration.kind === 235 || declaration.kind === 232) { - ts.Debug.fail("We should be getting ImportDeclaration instead to write"); - } - else { - nodeToCheck = declaration; - } - var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { - moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - } - if (moduleElementEmitInfo) { - if (moduleElementEmitInfo.node.kind === 231) { - moduleElementEmitInfo.isVisible = true; - } - else { - createAndSetNewTextWriterWithSymbolWriter(); - for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { - increaseIndent(); - } - if (nodeToCheck.kind === 226) { - ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); - asynchronousSubModuleDeclarationEmitInfo = []; - } - writeModuleElement(nodeToCheck); - if (nodeToCheck.kind === 226) { - moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; - asynchronousSubModuleDeclarationEmitInfo = undefined; - } - moduleElementEmitInfo.asynchronousOutput = writer.getText(); - } - } + function peekBlockKind() { + var block = peekBlock(); + return block && block.kind; + } + function beginWithBlock(expression) { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 1, + expression: expression, + startLabel: startLabel, + endLabel: endLabel }); - setWriter(oldWriter); } - function recordTypeReferenceDirectivesIfNecessary(typeReferenceDirectives) { - if (!typeReferenceDirectives) { - return; - } - if (!usedTypeDirectiveReferences) { - usedTypeDirectiveReferences = ts.createMap(); - } - for (var _i = 0, typeReferenceDirectives_1 = typeReferenceDirectives; _i < typeReferenceDirectives_1.length; _i++) { - var directive = typeReferenceDirectives_1[_i]; - if (!(directive in usedTypeDirectiveReferences)) { - usedTypeDirectiveReferences[directive] = directive; - } - } + function endWithBlock() { + ts.Debug.assert(peekBlockKind() === 1); + var block = endBlock(); + markLabel(block.endLabel); } - function handleSymbolAccessibilityError(symbolAccessibilityResult) { - if (symbolAccessibilityResult.accessibility === 0) { - if (symbolAccessibilityResult && symbolAccessibilityResult.aliasesToMakeVisible) { - writeAsynchronousModuleElements(symbolAccessibilityResult.aliasesToMakeVisible); - } - } - else { - reportedDeclarationError = true; - var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccessibilityResult); - if (errorInfo) { - if (errorInfo.typeName) { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); - } - else { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); - } - } - } + function isWithBlock(block) { + return block.kind === 1; } - function trackSymbol(symbol, enclosingDeclaration, meaning) { - handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning, true)); - recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForSymbol(symbol, meaning)); + function beginExceptionBlock() { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 0, + state: 0, + startLabel: startLabel, + endLabel: endLabel + }); + emitNop(); + return endLabel; } - function reportInaccessibleThisError() { - if (errorNameNode) { - reportedDeclarationError = true; - emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + function beginCatchBlock(variable) { + ts.Debug.assert(peekBlockKind() === 0); + var text = variable.name.text; + var name = declareLocal(text); + if (!renamedCatchVariables) { + renamedCatchVariables = ts.createMap(); + renamedCatchVariableDeclarations = ts.createMap(); + context.enableSubstitution(70); } + renamedCatchVariables[text] = true; + renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; + var exception = peekBlock(); + ts.Debug.assert(exception.state < 1); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var catchLabel = defineLabel(); + markLabel(catchLabel); + exception.state = 1; + exception.catchVariable = name; + exception.catchLabel = catchLabel; + emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [])); + emitNop(); } - function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (type) { - emitType(type); + function beginFinallyBlock() { + ts.Debug.assert(peekBlockKind() === 0); + var exception = peekBlock(); + ts.Debug.assert(exception.state < 2); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var finallyLabel = defineLabel(); + markLabel(finallyLabel); + exception.state = 2; + exception.finallyLabel = finallyLabel; + } + function endExceptionBlock() { + ts.Debug.assert(peekBlockKind() === 0); + var exception = endBlock(); + var state = exception.state; + if (state < 2) { + emitBreak(exception.endLabel); } else { - errorNameNode = declaration.name; - resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 | 1024, writer); - errorNameNode = undefined; + emitEndfinally(); } + markLabel(exception.endLabel); + emitNop(); + exception.state = 3; } - function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (signature.type) { - emitType(signature.type); + function isExceptionBlock(block) { + return block.kind === 0; + } + function beginScriptLoopBlock() { + beginBlock({ + kind: 3, + isScript: true, + breakLabel: -1, + continueLabel: -1 + }); + } + function beginLoopBlock(continueLabel) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 3, + isScript: false, + breakLabel: breakLabel, + continueLabel: continueLabel + }); + return breakLabel; + } + function endLoopBlock() { + ts.Debug.assert(peekBlockKind() === 3); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - else { - errorNameNode = signature.name; - resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 | 1024, writer); - errorNameNode = undefined; + } + function beginScriptSwitchBlock() { + beginBlock({ + kind: 2, + isScript: true, + breakLabel: -1 + }); + } + function beginSwitchBlock() { + var breakLabel = defineLabel(); + beginBlock({ + kind: 2, + isScript: false, + breakLabel: breakLabel + }); + return breakLabel; + } + function endSwitchBlock() { + ts.Debug.assert(peekBlockKind() === 2); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } } - function emitLines(nodes) { - for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { - var node = nodes_2[_i]; - emit(node); - } + function beginScriptLabeledBlock(labelText) { + beginBlock({ + kind: 4, + isScript: true, + labelText: labelText, + breakLabel: -1 + }); } - function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { - var currentWriterPos = writer.getTextPos(); - for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { - var node = nodes_3[_i]; - if (!canEmitFn || canEmitFn(node)) { - if (currentWriterPos !== writer.getTextPos()) { - write(separator); - } - currentWriterPos = writer.getTextPos(); - eachNodeEmitFn(node); - } + function beginLabeledBlock(labelText) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 4, + isScript: false, + labelText: labelText, + breakLabel: breakLabel + }); + } + function endLabeledBlock() { + ts.Debug.assert(peekBlockKind() === 4); + var block = endBlock(); + if (!block.isScript) { + markLabel(block.breakLabel); } } - function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { - emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); + function supportsUnlabeledBreak(block) { + return block.kind === 2 + || block.kind === 3; } - function writeJsDocComments(declaration) { - if (declaration) { - var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); - ts.emitComments(currentText, currentLineMap, writer, jsDocComments, false, true, newLine, ts.writeCommentRange); - } + function supportsLabeledBreakOrContinue(block) { + return block.kind === 4; } - function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - emitType(type); + function supportsUnlabeledContinue(block) { + return block.kind === 3; } - function emitType(type) { - switch (type.kind) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 104: - case 136: - case 94: - case 128: - case 166: - case 167: - return writeTextOfNode(currentText, type); - case 195: - return emitExpressionWithTypeArguments(type); - case 156: - return emitTypeReference(type); - case 159: - return emitTypeQuery(type); - case 161: - return emitArrayType(type); - case 162: - return emitTupleType(type); - case 163: - return emitUnionType(type); - case 164: - return emitIntersectionType(type); - case 165: - return emitParenType(type); - case 157: - case 158: - return emitSignatureDeclarationWithJsDocComments(type); - case 160: - return emitTypeLiteral(type); - case 70: - return emitEntityName(type); - case 140: - return emitEntityName(type); - case 155: - return emitTypePredicate(type); - } - function writeEntityName(entityName) { - if (entityName.kind === 70) { - writeTextOfNode(currentText, entityName); + function hasImmediateContainingLabeledBlock(labelText, start) { + for (var j = start; j >= 0; j--) { + var containingBlock = blockStack[j]; + if (supportsLabeledBreakOrContinue(containingBlock)) { + if (containingBlock.labelText === labelText) { + return true; + } } else { - var left = entityName.kind === 140 ? entityName.left : entityName.expression; - var right = entityName.kind === 140 ? entityName.right : entityName.name; - writeEntityName(left); - write("."); - writeTextOfNode(currentText, right); + break; } } - function emitEntityName(entityName) { - var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 230 ? entityName.parent : enclosingDeclaration); - handleSymbolAccessibilityError(visibilityResult); - recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForEntityName(entityName)); - writeEntityName(entityName); - } - function emitExpressionWithTypeArguments(node) { - if (ts.isEntityNameExpression(node.expression)) { - ts.Debug.assert(node.expression.kind === 70 || node.expression.kind === 173); - emitEntityName(node.expression); - if (node.typeArguments) { - write("<"); - emitCommaList(node.typeArguments, emitType); - write(">"); + return false; + } + function findBreakTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { + return block.breakLabel; + } + else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.breakLabel; } } } - function emitTypeReference(type) { - emitEntityName(type.typeName); - if (type.typeArguments) { - write("<"); - emitCommaList(type.typeArguments, emitType); - write(">"); + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledBreak(block)) { + return block.breakLabel; + } } } - function emitTypePredicate(type) { - writeTextOfNode(currentText, type.parameterName); - write(" is "); - emitType(type.type); - } - function emitTypeQuery(type) { - write("typeof "); - emitEntityName(type.exprName); - } - function emitArrayType(type) { - emitType(type.elementType); - write("[]"); - } - function emitTupleType(type) { - write("["); - emitCommaList(type.elementTypes, emitType); - write("]"); - } - function emitUnionType(type) { - emitSeparatedList(type.types, " | ", emitType); - } - function emitIntersectionType(type) { - emitSeparatedList(type.types, " & ", emitType); - } - function emitParenType(type) { - write("("); - emitType(type.type); - write(")"); + return 0; + } + function findContinueTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.continueLabel; + } + } } - function emitTypeLiteral(type) { - write("{"); - if (type.members.length) { - writeLine(); - increaseIndent(); - emitLines(type.members); - decreaseIndent(); + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block)) { + return block.continueLabel; + } } - write("}"); } + return 0; } - function emitSourceFile(node) { - currentText = node.text; - currentLineMap = ts.getLineStarts(node); - currentIdentifiers = node.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(node); - enclosingDeclaration = node; - ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); - emitLines(node.statements); - } - function getExportDefaultTempVariableName() { - var baseName = "_default"; - if (!(baseName in currentIdentifiers)) { - return baseName; - } - var count = 0; - while (true) { - count++; - var name_40 = baseName + "_" + count; - if (!(name_40 in currentIdentifiers)) { - return name_40; + function createLabel(label) { + if (label > 0) { + if (labelExpressions === undefined) { + labelExpressions = []; + } + var expression = ts.createSynthesizedNode(8); + if (labelExpressions[label] === undefined) { + labelExpressions[label] = [expression]; + } + else { + labelExpressions[label].push(expression); } + return expression; } + return ts.createNode(194); } - function emitExportAssignment(node) { - if (node.expression.kind === 70) { - write(node.isExportEquals ? "export = " : "export default "); - writeTextOfNode(currentText, node.expression); + function createInstruction(instruction) { + var literal = ts.createLiteral(instruction); + literal.trailingComment = instructionNames[instruction]; + return literal; + } + function createInlineBreak(label, location) { + ts.Debug.assert(label > 0, "Invalid label: " + label); + return ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), location); + } + function createInlineReturn(expression, location) { + return ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2), expression] + : [createInstruction(2)]), location); + } + function createGeneratorResume(location) { + return ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [], location); + } + function emitNop() { + emitWorker(0); + } + function emitStatement(node) { + if (node) { + emitWorker(1, [node]); } else { - var tempVarName = getExportDefaultTempVariableName(); - if (!noDeclare) { - write("declare "); - } - write("var "); - write(tempVarName); - write(": "); - writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; - resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 | 1024, writer); - write(";"); - writeLine(); - write(node.isExportEquals ? "export = " : "export default "); - write(tempVarName); - } - write(";"); - writeLine(); - if (node.expression.kind === 70) { - var nodes = resolver.collectLinkedAliases(node.expression); - writeAsynchronousModuleElements(nodes); - } - function getDefaultExportAccessibilityDiagnostic() { - return { - diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, - errorNode: node - }; + emitNop(); } } - function isModuleElementVisible(node) { - return resolver.isDeclarationVisible(node); + function emitAssignment(left, right, location) { + emitWorker(2, [left, right], location); } - function emitModuleElement(node, isModuleElementVisible) { - if (isModuleElementVisible) { - writeModuleElement(node); + function emitBreak(label, location) { + emitWorker(3, [label], location); + } + function emitBreakWhenTrue(label, condition, location) { + emitWorker(4, [label, condition], location); + } + function emitBreakWhenFalse(label, condition, location) { + emitWorker(5, [label, condition], location); + } + function emitYieldStar(expression, location) { + emitWorker(7, [expression], location); + } + function emitYield(expression, location) { + emitWorker(6, [expression], location); + } + function emitReturn(expression, location) { + emitWorker(8, [expression], location); + } + function emitThrow(expression, location) { + emitWorker(9, [expression], location); + } + function emitEndfinally() { + emitWorker(10); + } + function emitWorker(code, args, location) { + if (operations === undefined) { + operations = []; + operationArguments = []; + operationLocations = []; } - else if (node.kind === 230 || - (node.parent.kind === 256 && isCurrentFileExternalModule)) { - var isVisible = void 0; - if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 256) { - asynchronousSubModuleDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - else { - if (node.kind === 231) { - var importDeclaration = node; - if (importDeclaration.importClause) { - isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || - isVisibleNamedBinding(importDeclaration.importClause.namedBindings); - } - } - moduleElementDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } + if (labelOffsets === undefined) { + markLabel(defineLabel()); } + var operationIndex = operations.length; + operations[operationIndex] = code; + operationArguments[operationIndex] = args; + operationLocations[operationIndex] = location; } - function writeModuleElement(node) { - switch (node.kind) { - case 221: - return writeFunctionDeclaration(node); - case 201: - return writeVariableStatement(node); - case 223: - return writeInterfaceDeclaration(node); - case 222: - return writeClassDeclaration(node); - case 224: - return writeTypeAliasDeclaration(node); - case 225: - return writeEnumDeclaration(node); - case 226: - return writeModuleDeclaration(node); - case 230: - return writeImportEqualsDeclaration(node); - case 231: - return writeImportDeclaration(node); - default: - ts.Debug.fail("Unknown symbol kind"); - } + function build() { + blockIndex = 0; + labelNumber = 0; + labelNumbers = undefined; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + clauses = undefined; + statements = undefined; + exceptionBlockStack = undefined; + currentExceptionBlock = undefined; + withBlockStack = undefined; + var buildResult = buildStatements(); + return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), undefined, [ + ts.createThis(), + ts.setEmitFlags(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(state)], undefined, ts.createBlock(buildResult, undefined, buildResult.length > 0)), 4194304) + ]); } - function emitModuleElementDeclarationFlags(node) { - if (node.parent.kind === 256) { - var modifiers = ts.getModifierFlags(node); - if (modifiers & 1) { - write("export "); - } - if (modifiers & 512) { - write("default "); - } - else if (node.kind !== 223 && !noDeclare) { - write("declare "); + function buildStatements() { + if (operations) { + for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { + writeOperation(operationIndex); } + flushFinalLabel(operations.length); } - } - function emitClassMemberDeclarationFlags(flags) { - if (flags & 8) { - write("private "); - } - else if (flags & 16) { - write("protected "); + else { + flushFinalLabel(0); } - if (flags & 32) { - write("static "); + if (clauses) { + var labelExpression = ts.createPropertyAccess(state, "label"); + var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); + switchStatement.startsOnNewLine = true; + return [switchStatement]; } - if (flags & 64) { - write("readonly "); + if (statements) { + return statements; } - if (flags & 128) { - write("abstract "); + return []; + } + function flushLabel() { + if (!statements) { + return; } + appendLabel(!lastOperationWasAbrupt); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + labelNumber++; } - function writeImportEqualsDeclaration(node) { - emitJsDocComments(node); - if (ts.hasModifier(node, 1)) { - write("export "); + function flushFinalLabel(operationIndex) { + if (isFinalLabelReachable(operationIndex)) { + tryEnterLabel(operationIndex); + withBlockStack = undefined; + writeReturn(undefined, undefined); } - write("import "); - writeTextOfNode(currentText, node.name); - write(" = "); - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); - write(";"); + if (statements && clauses) { + appendLabel(false); } - else { - write("require("); - emitExternalModuleSpecifier(node); - write(");"); + updateLabelExpressions(); + } + function isFinalLabelReachable(operationIndex) { + if (!lastOperationWasCompletion) { + return true; } - writer.writeLine(); - function getImportEntityNameVisibilityError() { - return { - diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, - errorNode: node, - typeName: node.name - }; + if (!labelOffsets || !labelExpressions) { + return false; + } + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex && labelExpressions[label]) { + return true; + } } + return false; } - function isVisibleNamedBinding(namedBindings) { - if (namedBindings) { - if (namedBindings.kind === 233) { - return resolver.isDeclarationVisible(namedBindings); + function appendLabel(markLabelEnd) { + if (!clauses) { + clauses = []; + } + if (statements) { + if (withBlockStack) { + for (var i = withBlockStack.length - 1; i >= 0; i--) { + var withBlock = withBlockStack[i]; + statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; + } + } + if (currentExceptionBlock) { + var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; + statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), undefined, [ + ts.createArrayLiteral([ + createLabel(startLabel), + createLabel(catchLabel), + createLabel(finallyLabel), + createLabel(endLabel) + ]) + ]))); + currentExceptionBlock = undefined; } - else { - return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); + if (markLabelEnd) { + statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); } } + clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); + statements = undefined; } - function writeImportDeclaration(node) { - emitJsDocComments(node); - if (ts.hasModifier(node, 1)) { - write("export "); + function tryEnterLabel(operationIndex) { + if (!labelOffsets) { + return; } - write("import "); - if (node.importClause) { - var currentWriterPos = writer.getTextPos(); - if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { - writeTextOfNode(currentText, node.importClause.name); - } - if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { - if (currentWriterPos !== writer.getTextPos()) { - write(", "); + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex) { + flushLabel(); + if (labelNumbers === undefined) { + labelNumbers = []; } - if (node.importClause.namedBindings.kind === 233) { - write("* as "); - writeTextOfNode(currentText, node.importClause.namedBindings.name); + if (labelNumbers[labelNumber] === undefined) { + labelNumbers[labelNumber] = [label]; } else { - write("{ "); - emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); - write(" }"); + labelNumbers[labelNumber].push(label); } } - write(" from "); } - emitExternalModuleSpecifier(node); - write(";"); - writer.writeLine(); } - function emitExternalModuleSpecifier(parent) { - resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 226; - var moduleSpecifier; - if (parent.kind === 230) { - var node = parent; - moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); - } - else if (parent.kind === 226) { - moduleSpecifier = parent.name; - } - else { - var node = parent; - moduleSpecifier = node.moduleSpecifier; - } - if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { - var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); - if (moduleName) { - write('"'); - write(moduleName); - write('"'); - return; + function updateLabelExpressions() { + if (labelExpressions !== undefined && labelNumbers !== undefined) { + for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { + var labels = labelNumbers[labelNumber_1]; + if (labels !== undefined) { + for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { + var label = labels_1[_i]; + var expressions = labelExpressions[label]; + if (expressions !== undefined) { + for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { + var expression = expressions_1[_a]; + expression.text = String(labelNumber_1); + } + } + } + } } } - writeTextOfNode(currentText, moduleSpecifier); } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - writeTextOfNode(currentText, node.propertyName); - write(" as "); + function tryEnterOrLeaveBlock(operationIndex) { + if (blocks) { + for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { + var block = blocks[blockIndex]; + var blockAction = blockActions[blockIndex]; + if (isExceptionBlock(block)) { + if (blockAction === 0) { + if (!exceptionBlockStack) { + exceptionBlockStack = []; + } + if (!statements) { + statements = []; + } + exceptionBlockStack.push(currentExceptionBlock); + currentExceptionBlock = block; + } + else if (blockAction === 1) { + currentExceptionBlock = exceptionBlockStack.pop(); + } + } + else if (isWithBlock(block)) { + if (blockAction === 0) { + if (!withBlockStack) { + withBlockStack = []; + } + withBlockStack.push(block); + } + else if (blockAction === 1) { + withBlockStack.pop(); + } + } + } } - writeTextOfNode(currentText, node.name); } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); - writeAsynchronousModuleElements(nodes); - } - function emitExportDeclaration(node) { - emitJsDocComments(node); - write("export "); - if (node.exportClause) { - write("{ "); - emitCommaList(node.exportClause.elements, emitExportSpecifier); - write(" }"); + function writeOperation(operationIndex) { + tryEnterLabel(operationIndex); + tryEnterOrLeaveBlock(operationIndex); + if (lastOperationWasAbrupt) { + return; } - else { - write("*"); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + var opcode = operations[operationIndex]; + if (opcode === 0) { + return; } - if (node.moduleSpecifier) { - write(" from "); - emitExternalModuleSpecifier(node); + else if (opcode === 10) { + return writeEndfinally(); } - write(";"); - writer.writeLine(); - } - function writeModuleDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isGlobalScopeAugmentation(node)) { - write("global "); + var args = operationArguments[operationIndex]; + if (opcode === 1) { + return writeStatement(args[0]); } - else { - if (node.flags & 16) { - write("namespace "); - } - else { - write("module "); - } - if (ts.isExternalModuleAugmentation(node)) { - emitExternalModuleSpecifier(node); + var location = operationLocations[operationIndex]; + switch (opcode) { + case 2: + return writeAssign(args[0], args[1], location); + case 3: + return writeBreak(args[0], location); + case 4: + return writeBreakWhenTrue(args[0], args[1], location); + case 5: + return writeBreakWhenFalse(args[0], args[1], location); + case 6: + return writeYield(args[0], location); + case 7: + return writeYieldStar(args[0], location); + case 8: + return writeReturn(args[0], location); + case 9: + return writeThrow(args[0], location); + } + } + function writeStatement(statement) { + if (statement) { + if (!statements) { + statements = [statement]; } else { - writeTextOfNode(currentText, node.name); + statements.push(statement); } } - while (node.body && node.body.kind !== 227) { - node = node.body; - write("."); - writeTextOfNode(currentText, node.name); + } + function writeAssign(left, right, operationLocation) { + writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); + } + function writeThrow(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createThrow(expression, operationLocation)); + } + function writeReturn(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2), expression] + : [createInstruction(2)]), operationLocation)); + } + function writeBreak(label, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation)); + } + function writeBreakWhenTrue(label, condition, operationLocation) { + writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation))); + } + function writeBreakWhenFalse(label, condition, operationLocation) { + writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation))); + } + function writeYield(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(4), expression] + : [createInstruction(4)]), operationLocation)); + } + function writeYieldStar(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(5), + expression + ]), operationLocation)); + } + function writeEndfinally() { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(7) + ]))); + } + } + ts.transformGenerators = transformGenerators; + var _a; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES5(context) { + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + context.enableSubstitution(173); + context.enableSubstitution(253); + return transformSourceFile; + function transformSourceFile(node) { + return node; + } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (ts.isPropertyAccessExpression(node)) { + return substitutePropertyAccessExpression(node); } - var prevEnclosingDeclaration = enclosingDeclaration; - if (node.body) { - enclosingDeclaration = node; - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.body.statements); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; + else if (ts.isPropertyAssignment(node)) { + return substitutePropertyAssignment(node); } - else { - write(";"); + return node; + } + function substitutePropertyAccessExpression(node) { + var literalName = trySubstituteReservedName(node.name); + if (literalName) { + return ts.createElementAccess(node.expression, literalName, node); } + return node; } - function writeTypeAliasDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("type "); - writeTextOfNode(currentText, node.name); - emitTypeParameters(node.typeParameters); - write(" = "); - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); - write(";"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - function getTypeAliasDeclarationVisibilityError() { - return { - diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, - errorNode: node.type, - typeName: node.name - }; + function substitutePropertyAssignment(node) { + var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name); + if (literalName) { + return ts.updatePropertyAssignment(node, literalName, node.initializer); } + return node; } - function writeEnumDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isConst(node)) { - write("const "); + function trySubstituteReservedName(name) { + var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(name.text) : undefined); + if (token >= 71 && token <= 106) { + return ts.createLiteral(name, name); } - write("enum "); - writeTextOfNode(currentText, node.name); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); + return undefined; } - function emitEnumMemberDeclaration(node) { - emitJsDocComments(node); - writeTextOfNode(currentText, node.name); - var enumMemberValue = resolver.getConstantValue(node); - if (enumMemberValue !== undefined) { - write(" = "); - write(enumMemberValue.toString()); + } + ts.transformES5 = transformES5; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformModule(context) { + var transformModuleDelegates = ts.createMap((_a = {}, + _a[ts.ModuleKind.None] = transformCommonJSModule, + _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, + _a[ts.ModuleKind.AMD] = transformAMDModule, + _a[ts.ModuleKind.UMD] = transformUMDModule, + _a)); + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70); + context.enableSubstitution(188); + context.enableSubstitution(186); + context.enableSubstitution(187); + context.enableSubstitution(254); + context.enableEmitNotification(256); + var currentSourceFile; + var externalImports; + var exportSpecifiers; + var exportEquals; + var bindingNameExportSpecifiersMap; + var bindingNameExportSpecifiersForFileMap = ts.createMap(); + var hasExportStarsToExportValues; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - write(","); - writeLine(); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; + var updated = transformModule_1(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + return updated; + } + return node; + var _a; } - function isPrivateMethodTypeParameter(node) { - return node.parent.kind === 148 && ts.hasModifier(node.parent, 8); + function transformCommonJSModule(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, false); + var updated = updateSourceFile(node, statements); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(updated, 2 | ts.getEmitFlags(node)); + } + return updated; } - function emitTypeParameters(typeParameters) { - function emitTypeParameter(node) { - increaseIndent(); - emitJsDocComments(node); - decreaseIndent(); - writeTextOfNode(currentText, node.name); - if (node.constraint && !isPrivateMethodTypeParameter(node)) { - write(" extends "); - if (node.parent.kind === 157 || - node.parent.kind === 158 || - (node.parent.parent && node.parent.parent.kind === 160)) { - ts.Debug.assert(node.parent.kind === 148 || - node.parent.kind === 147 || - node.parent.kind === 157 || - node.parent.kind === 158 || - node.parent.kind === 152 || - node.parent.kind === 153); - emitType(node.constraint); - } - else { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); - } - } - function getTypeParameterConstraintVisibilityError() { - var diagnosticMessage; - switch (node.parent.kind) { - case 222: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; - break; - case 223: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; - break; - case 153: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 152: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 148: - case 147: - if (ts.hasModifier(node.parent, 32)) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 222) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - break; - case 221: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; - break; - default: - ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - }; + function transformAMDModule(node) { + var define = ts.createIdentifier("define"); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + return transformAsynchronousModule(node, define, moduleName, true); + } + function transformUMDModule(node) { + var define = ts.createIdentifier("define"); + ts.setEmitFlags(define, 16); + return transformAsynchronousModule(node, define, undefined, false); + } + function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { + var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(define, undefined, (moduleName ? [moduleName] : []).concat([ + ts.createArrayLiteral([ + ts.createLiteral("require"), + ts.createLiteral("exports") + ].concat(aliasedModuleNames, unaliasedModuleNames)), + ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ + ts.createParameter("require"), + ts.createParameter("exports") + ].concat(importAliasNames), undefined, transformAsynchronousModuleBody(node)) + ]))) + ]); + } + function transformAsynchronousModuleBody(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, true); + var body = ts.createBlock(statements, undefined, true); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(body, 2); + } + return body; + } + function addExportEqualsIfNeeded(statements, emitAsReturn) { + if (exportEquals) { + if (emitAsReturn) { + var statement = ts.createReturn(exportEquals.expression, exportEquals); + ts.setEmitFlags(statement, 12288 | 49152); + statements.push(statement); + } + else { + var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), exportEquals); + ts.setEmitFlags(statement, 49152); + statements.push(statement); } } - if (typeParameters) { - write("<"); - emitCommaList(typeParameters, emitTypeParameter); - write(">"); + } + function visitor(node) { + switch (node.kind) { + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 237: + return visitExportDeclaration(node); + case 236: + return visitExportAssignment(node); + case 201: + return visitVariableStatement(node); + case 221: + return visitFunctionDeclaration(node); + case 222: + return visitClassDeclaration(node); + case 203: + return visitExpressionStatement(node); + default: + return node; } } - function emitHeritageClause(typeReferences, isImplementsList) { - if (typeReferences) { - write(isImplementsList ? " implements " : " extends "); - emitCommaList(typeReferences, emitTypeOfTypeReference); + function visitImportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; } - function emitTypeOfTypeReference(node) { - if (ts.isEntityNameExpression(node.expression)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); - } - else if (!isImplementsList && node.expression.kind === 94) { - write("null"); + var statements = []; + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (moduleKind !== ts.ModuleKind.AMD) { + if (!node.importClause) { + statements.push(ts.createStatement(createRequireCall(node), node)); } else { - writer.getSymbolAccessibilityDiagnostic = getHeritageClauseVisibilityError; - resolver.writeBaseConstructorTypeOfClass(enclosingDeclaration, enclosingDeclaration, 2 | 1024, writer); - } - function getHeritageClauseVisibilityError() { - var diagnosticMessage; - if (node.parent.parent.kind === 222) { - diagnosticMessage = isImplementsList ? - ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : - ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + var variables = []; + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, createRequireCall(node))); } else { - diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.parent.parent.name - }; - } - } - } - function writeClassDeclaration(node) { - function emitParameterProperties(constructorDeclaration) { - if (constructorDeclaration) { - ts.forEach(constructorDeclaration.parameters, function (param) { - if (ts.hasModifier(param, 92)) { - emitPropertyDeclaration(param); + variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), undefined, createRequireCall(node))); + if (namespaceDeclaration && ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node))); } - }); + } + statements.push(ts.createVariableStatement(undefined, ts.createConstDeclarationList(variables), node)); } } - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.hasModifier(node, 128)) { - write("abstract "); - } - write("class "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - emitHeritageClause([baseTypeNode], false); + else if (namespaceDeclaration && ts.isDefaultImport(node)) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node), node) + ]))); } - emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); - write(" {"); - writeLine(); - increaseIndent(); - emitParameterProperties(ts.getFirstConstructorWithBody(node)); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeInterfaceDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("interface "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; + addExportImportAssignments(statements, node); + return ts.singleOrMany(statements); } - function emitPropertyDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; + function visitImportEqualsDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; } - emitJsDocComments(node); - emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); - emitVariableDeclaration(node); - write(";"); - writeLine(); - } - function emitVariableDeclaration(node) { - if (node.kind !== 219 || resolver.isDeclarationVisible(node)) { - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); + ts.setEmitFlags(node.name, 128); + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + if (ts.hasModifier(node, 1)) { + statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), node)); } else { - writeTextOfNode(currentText, node.name); - if ((node.kind === 146 || node.kind === 145 || - (node.kind === 143 && !ts.isParameterPropertyDeclaration(node))) && ts.hasQuestionToken(node)) { - write("?"); - } - if ((node.kind === 146 || node.kind === 145) && node.parent.kind === 160) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (resolver.isLiteralConstDeclaration(node)) { - write(" = "); - resolver.writeLiteralConstValue(node, writer); - } - else if (!ts.hasModifier(node, 8)) { - writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); - } + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), undefined, createRequireCall(node)) + ], undefined, languageVersion >= 2 ? 2 : 0), node)); } } - function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { - if (node.kind === 219) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; - } - else if (node.kind === 146 || node.kind === 145) { - if (ts.hasModifier(node, 32)) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.kind === 222) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; - } + else { + if (ts.hasModifier(node, 1)) { + statements.push(ts.createStatement(createExportAssignment(node.name, node.name), node)); } } - function getVariableDeclarationTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function emitBindingPattern(bindingPattern) { - var elements = []; - for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 194) { - elements.push(element); - } - } - emitCommaList(elements, emitBindingElement); + addExportImportAssignments(statements, node); + return statements; + } + function visitExportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; } - function emitBindingElement(bindingElement) { - function getBindingElementTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: bindingElement, - typeName: bindingElement.name - } : undefined; + var generatedName = ts.getGeneratedNameForNode(node); + if (node.exportClause) { + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(generatedName, undefined, createRequireCall(node)) + ]), node)); } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - writeTextOfNode(currentText, bindingElement.name); - writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); - } + for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); + statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), specifier)); } + return ts.singleOrMany(statements); + } + else { + return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), undefined, [ + moduleKind !== ts.ModuleKind.AMD + ? createRequireCall(node) + : generatedName + ]), node); } } - function emitTypeOfVariableDeclarationFromTypeLiteral(node) { - if (node.type) { - write(": "); - emitType(node.type); + function visitExportAssignment(node) { + if (node.isExportEquals) { + return undefined; } + var statements = []; + addExportDefault(statements, node.expression, node); + return statements; } - function isVariableStatementVisible(node) { - return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); + function addExportDefault(statements, expression, location) { + tryAddExportDefaultCompat(statements); + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); } - function writeVariableStatement(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isLet(node.declarationList)) { - write("let "); - } - else if (ts.isConst(node.declarationList)) { - write("const "); - } - else { - write("var "); + function tryAddExportDefaultCompat(statements) { + var original = ts.getOriginalNode(currentSourceFile); + ts.Debug.assert(original.kind === 256); + if (!original.symbol.exports["___esModule"]) { + if (languageVersion === 0) { + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); + } + else { + statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ + ts.createIdentifier("exports"), + ts.createLiteral("__esModule"), + ts.createObjectLiteral([ + ts.createPropertyAssignment("value", ts.createLiteral(true)) + ]) + ]))); + } } - emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); - write(";"); - writeLine(); } - function emitAccessorDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; + function addExportImportAssignments(statements, node) { + if (ts.isImportEqualsDeclaration(node)) { + addExportMemberAssignments(statements, node.name); } - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - var accessorWithTypeAnnotation; - if (node === accessors.firstAccessor) { - emitJsDocComments(accessors.getAccessor); - emitJsDocComments(accessors.setAccessor); - emitClassMemberDeclarationFlags(ts.getModifierFlags(node) | (accessors.setAccessor ? 0 : 64)); - writeTextOfNode(currentText, node.name); - if (!ts.hasModifier(node, 8)) { - accessorWithTypeAnnotation = node; - var type = getTypeAnnotationFromAccessor(node); - if (!type) { - var anotherAccessor = node.kind === 150 ? accessors.setAccessor : accessors.getAccessor; - type = getTypeAnnotationFromAccessor(anotherAccessor); - if (type) { - accessorWithTypeAnnotation = anotherAccessor; - } - } - writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + else { + var names = ts.reduceEachChild(node, collectExportMembers, []); + for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { + var name_38 = names_1[_i]; + addExportMemberAssignments(statements, name_38); } - write(";"); - writeLine(); } - function getTypeAnnotationFromAccessor(accessor) { - if (accessor) { - return accessor.kind === 150 - ? accessor.type - : accessor.parameters.length > 0 - ? accessor.parameters[0].type - : undefined; + } + function collectExportMembers(names, node) { + if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { + var name_39 = node.name; + if (ts.isIdentifier(name_39)) { + names.push(name_39); } } - function getAccessorDeclarationTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage; - if (accessorWithTypeAnnotation.kind === 151) { - if (ts.hasModifier(accessorWithTypeAnnotation.parent, 32)) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.parameters[0], - typeName: accessorWithTypeAnnotation.name - }; - } - else { - if (ts.hasModifier(accessorWithTypeAnnotation, 32)) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.name, - typeName: undefined - }; + return ts.reduceEachChild(node, collectExportMembers, names); + } + function addExportMemberAssignments(statements, name) { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), specifier.name))); } } } - function writeFunctionDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; + function addExportMemberAssignment(statements, node) { + if (ts.hasModifier(node, 512)) { + addExportDefault(statements, getDeclarationName(node), node); } - if (!resolver.isImplementationOfOverload(node)) { - emitJsDocComments(node); - if (node.kind === 221) { - emitModuleElementDeclarationFlags(node); - } - else if (node.kind === 148 || node.kind === 149) { - emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + else { + statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144), node)); + } + } + function visitVariableStatement(node) { + var originalKind = ts.getOriginalNode(node).kind; + if (originalKind === 226 || + originalKind === 225 || + originalKind === 222) { + if (!ts.hasModifier(node, 1)) { + return node; } - if (node.kind === 221) { - write("function "); - writeTextOfNode(currentText, node.name); + return ts.setOriginalNode(ts.createVariableStatement(undefined, node.declarationList), node); + } + var resultStatements = []; + if (ts.hasModifier(node, 1)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length > 0) { + var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); + resultStatements.push(inlineAssignments); } - else if (node.kind === 149) { - write("constructor"); + } + else { + resultStatements.push(node); + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + addExportMemberAssignmentsForBindingName(resultStatements, decl.name); + } + return resultStatements; + } + function addExportMemberAssignmentsForBindingName(resultStatements, name) { + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + addExportMemberAssignmentsForBindingName(resultStatements, element.name); + } } - else { - writeTextOfNode(currentText, node.name); - if (ts.hasQuestionToken(node)) { - write("?"); + } + else { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + var sourceFileId = ts.getOriginalNodeId(currentSourceFile); + if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { + bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); } + bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; + addExportMemberAssignments(resultStatements, name); } - emitSignatureDeclaration(node); } } - function emitSignatureDeclarationWithJsDocComments(node) { - emitJsDocComments(node); - emitSignatureDeclaration(node); - } - function emitSignatureDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - var closeParenthesizedFunctionType = false; - if (node.kind === 154) { - emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); - write("["); + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); } else { - if (node.kind === 153 || node.kind === 158) { - write("new "); - } - else if (node.kind === 157) { - var currentOutput = writer.getText(); - if (node.typeParameters && currentOutput.charAt(currentOutput.length - 1) === "<") { - closeParenthesizedFunctionType = true; - write("("); - } - } - emitTypeParameters(node.typeParameters); - write("("); + return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); } - emitCommaList(node.parameters, emitParameterDeclaration); - if (node.kind === 154) { - write("]"); + } + function visitFunctionDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1)) { + var isAsync = ts.hasModifier(node, 256); + statements.push(ts.setOriginalNode(ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name, undefined, node.parameters, undefined, node.body, node), node)); + addExportMemberAssignment(statements, node); } else { - write(")"); + statements.push(node); } - var isFunctionTypeOrConstructorType = node.kind === 157 || node.kind === 158; - if (isFunctionTypeOrConstructorType || node.parent.kind === 160) { - if (node.type) { - write(isFunctionTypeOrConstructorType ? " => " : ": "); - emitType(node.type); - } + if (node.name) { + addExportMemberAssignments(statements, node.name); + } + return ts.singleOrMany(statements); + } + function visitClassDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1)) { + statements.push(ts.setOriginalNode(ts.createClassDeclaration(undefined, undefined, name, undefined, node.heritageClauses, node.members, node), node)); + addExportMemberAssignment(statements, node); } - else if (node.kind !== 149 && !ts.hasModifier(node, 8)) { - writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + else { + statements.push(node); } - enclosingDeclaration = prevEnclosingDeclaration; - if (!isFunctionTypeOrConstructorType) { - write(";"); - writeLine(); + if (node.name && !(node.decorators && node.decorators.length)) { + addExportMemberAssignments(statements, node.name); } - else if (closeParenthesizedFunctionType) { - write(")"); + return ts.singleOrMany(statements); + } + function visitExpressionStatement(node) { + var original = ts.getOriginalNode(node); + var origKind = original.kind; + if (origKind === 225 || origKind === 226) { + return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); } - function getReturnTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage; - switch (node.kind) { - case 153: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 152: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 154: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 148: - case 147: - if (ts.hasModifier(node, 32)) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; - } - else if (node.parent.kind === 222) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; - } - break; - case 221: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; - break; - default: - ts.Debug.fail("This is unknown kind for signature: " + node.kind); + else if (origKind === 222) { + var classDecl = original; + if (classDecl.name) { + var statements = [node]; + addExportMemberAssignments(statements, classDecl.name); + return statements; } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node.name || node - }; } + return node; } - function emitParameterDeclaration(node) { - increaseIndent(); - emitJsDocComments(node); - if (node.dotDotDotToken) { - write("..."); + function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { + var statements = [node]; + if (ts.hasModifier(original, 1) && + original.kind === 225 && + ts.isFirstDeclarationOfKind(original, 225)) { + addVarForExportedEnumOrNamespaceDeclaration(statements, original); } - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); + addExportMemberAssignments(statements, original.name); + return statements; + } + function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { + var transformedStatement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], node); + ts.setEmitFlags(transformedStatement, 49152); + statements.push(transformedStatement); + } + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256) { + bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + bindingNameExportSpecifiersMap = undefined; } else { - writeTextOfNode(currentText, node.name); + previousOnEmitNode(emitContext, node, emitCallback); } - if (resolver.isOptionalParameter(node)) { - write("?"); + } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - decreaseIndent(); - if (node.parent.kind === 157 || - node.parent.kind === 158 || - node.parent.parent.kind === 160) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); } - else if (!ts.hasModifier(node.parent, 8)) { - writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); + return node; + } + function substituteShorthandPropertyAssignment(node) { + var name = node.name; + var exportedOrImportedName = substituteExpressionIdentifier(name); + if (exportedOrImportedName !== name) { + if (node.objectAssignmentInitializer) { + var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); + return ts.createPropertyAssignment(name, initializer, node); + } + return ts.createPropertyAssignment(name, exportedOrImportedName, node); } - function getParameterDeclarationTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 188: + return substituteBinaryExpression(node); + case 187: + case 186: + return substituteUnaryExpression(node); } - function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { - switch (node.parent.kind) { - case 149: - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; - case 153: - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - case 152: - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - case 148: - case 147: - if (ts.hasModifier(node.parent, 32)) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 222) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - case 221: - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; - default: - ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + return node; + } + function substituteExpressionIdentifier(node) { + return trySubstituteExportedName(node) + || trySubstituteImportedName(node) + || node; + } + function substituteBinaryExpression(node) { + var left = node.left; + if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { + ts.setEmitFlags(node, 128); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, node); + } + return nestedExportAssignment; } } - function emitBindingPattern(bindingPattern) { - if (bindingPattern.kind === 168) { - write("{"); - emitCommaList(bindingPattern.elements, emitBindingElement); - write("}"); - } - else if (bindingPattern.kind === 169) { - write("["); - var elements = bindingPattern.elements; - emitCommaList(elements, emitBindingElement); - if (elements && elements.hasTrailingComma) { - write(", "); + return node; + } + function substituteUnaryExpression(node) { + var operator = node.operator; + var operand = node.operand; + if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { + ts.setEmitFlags(node, 128); + var transformedUnaryExpression = void 0; + if (node.kind === 187) { + transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 ? 58 : 59), ts.createLiteral(1), node); + ts.setEmitFlags(transformedUnaryExpression, 128); } - write("]"); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, transformedUnaryExpression || node); + } + return nestedExportAssignment; } } - function emitBindingElement(bindingElement) { - if (bindingElement.kind === 194) { - write(" "); + return node; + } + function trySubstituteExportedName(node) { + var emitFlags = ts.getEmitFlags(node); + if ((emitFlags & 262144) === 0) { + var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072) !== 0); + if (container) { + if (container.kind === 256) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), node); + } } - else if (bindingElement.kind === 170) { - if (bindingElement.propertyName) { - writeTextOfNode(currentText, bindingElement.propertyName); - write(": "); + } + return undefined; + } + function trySubstituteImportedName(node) { + if ((ts.getEmitFlags(node) & 262144) === 0) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (ts.isImportClause(declaration)) { + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), node); } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - ts.Debug.assert(bindingElement.name.kind === 70); - if (bindingElement.dotDotDotToken) { - write("..."); - } - writeTextOfNode(currentText, bindingElement.name); - } + else if (ts.isImportSpecifier(declaration)) { + var name_40 = declaration.propertyName || declaration.name; + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_40), node); } } } + return undefined; } - function emitNode(node) { - switch (node.kind) { - case 221: - case 226: - case 230: - case 223: - case 222: - case 224: - case 225: - return emitModuleElement(node, isModuleElementVisible(node)); - case 201: - return emitModuleElement(node, isVariableStatementVisible(node)); - case 231: - return emitModuleElement(node, !node.importClause); - case 237: - return emitExportDeclaration(node); - case 149: - case 148: - case 147: - return writeFunctionDeclaration(node); - case 153: - case 152: - case 154: - return emitSignatureDeclarationWithJsDocComments(node); - case 150: - case 151: - return emitAccessorDeclaration(node); - case 146: - case 145: - return emitPropertyDeclaration(node); - case 255: - return emitEnumMemberDeclaration(node); - case 236: - return emitExportAssignment(node); - case 256: - return emitSourceFile(node); - } + function getModuleMemberName(name) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), name, name); } - function writeReferencePath(referencedFile, addBundledFileReference, emitOnlyDtsFiles) { - var declFileName; - var addedBundledEmitReference = false; - if (ts.isDeclarationFile(referencedFile)) { - declFileName = referencedFile.fileName; + function createRequireCall(importNode) { + var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var args = []; + if (ts.isDefined(moduleName)) { + args.push(moduleName); } - else { - ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile, emitOnlyDtsFiles); + return ts.createCall(ts.createIdentifier("require"), undefined, args); + } + function createExportStatement(name, value, location) { + var statement = ts.createStatement(createExportAssignment(name, value)); + statement.startsOnNewLine = true; + if (location) { + ts.setSourceMapRange(statement, location); } - if (declFileName) { - declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false); - referencesOutput += "/// " + newLine; + return statement; + } + function createExportAssignment(name, value) { + return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); + } + function collectAsynchronousDependencies(node, includeNonAmdDependencies) { + var aliasedModuleNames = []; + var unaliasedModuleNames = []; + var importAliasNames = []; + for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { + var amdDependency = _a[_i]; + if (amdDependency.name) { + aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + importAliasNames.push(ts.createParameter(amdDependency.name)); + } + else { + unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + } } - return addedBundledEmitReference; - function getDeclFileName(emitFileNames, _sourceFiles, isBundledEmit) { - if (isBundledEmit && !addBundledFileReference) { - return; + for (var _b = 0, externalImports_1 = externalImports; _b < externalImports_1.length; _b++) { + var importNode = externalImports_1[_b]; + var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); + if (includeNonAmdDependencies && importAliasName) { + ts.setEmitFlags(importAliasName, 128); + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(ts.createParameter(importAliasName)); + } + else { + unaliasedModuleNames.push(externalModuleName); } - ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); - declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; - addedBundledEmitReference = isBundledEmit; } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; } - } - function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) { - var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles); - var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; - if (!emitSkipped) { - var declarationOutput = emitDeclarationResult.referencesOutput - + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); - ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM, sourceFiles); - } - return emitSkipped; - function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { - var appliedSyncOutputPos = 0; - var declarationOutput = ""; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.asynchronousOutput) { - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); - declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); - appliedSyncOutputPos = aliasEmitInfo.outputPos; - } - }); - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); - return declarationOutput; + function updateSourceFile(node, statements) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + return updated; } + var _a; } - ts.writeDeclarationFile = writeDeclarationFile; + ts.transformModule = transformModule; })(ts || (ts = {})); var ts; (function (ts) { - var defaultLastEncodedSourceMapSpan = { - emittedLine: 1, - emittedColumn: 1, - sourceLine: 1, - sourceColumn: 1, - sourceIndex: 0 - }; - function createSourceMapWriter(host, writer) { - var compilerOptions = host.getCompilerOptions(); - var extendedDiagnostics = compilerOptions.extendedDiagnostics; + function transformSystemModule(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70); + context.enableSubstitution(188); + context.enableSubstitution(186); + context.enableSubstitution(187); + context.enableEmitNotification(256); + var exportFunctionForFileMap = []; var currentSourceFile; - var currentSourceText; - var sourceMapDir; - var sourceMapSourceIndex; - var lastRecordedSourceMapSpan; - var lastEncodedSourceMapSpan; - var lastEncodedNameIndex; - var sourceMapData; - var disabled = !(compilerOptions.sourceMap || compilerOptions.inlineSourceMap); - return { - initialize: initialize, - reset: reset, - getSourceMapData: function () { return sourceMapData; }, - setSourceFile: setSourceFile, - emitPos: emitPos, - emitNodeWithSourceMap: emitNodeWithSourceMap, - emitTokenWithSourceMap: emitTokenWithSourceMap, - getText: getText, - getSourceMappingURL: getSourceMappingURL, - }; - function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - if (disabled) { - return; - } - if (sourceMapData) { - reset(); - } - currentSourceFile = undefined; - currentSourceText = undefined; - sourceMapSourceIndex = -1; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; - lastEncodedNameIndex = 0; - sourceMapData = { - sourceMapFilePath: sourceMapFilePath, - jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, - sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), - sourceMapSourceRoot: compilerOptions.sourceRoot || "", - sourceMapSources: [], - inputSourceFileNames: [], - sourceMapNames: [], - sourceMapMappings: "", - sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, - sourceMapDecodedMappings: [] - }; - sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); - if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { - sourceMapData.sourceMapSourceRoot += ts.directorySeparator; - } - if (compilerOptions.mapRoot) { - sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); - if (!isBundledEmit) { - ts.Debug.assert(sourceFiles.length === 1); - sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); - } - if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { - sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); - sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); - } - else { - sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); - } + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var exportFunctionForFile; + var contextObjectForFile; + var exportedLocalNames; + var exportedFunctionDeclarations; + var enclosingBlockScopedContainer; + var currentParent; + var currentNode; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - else { - sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + currentNode = node; + var updated = transformSystemModuleWorker(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + exportedLocalNames = undefined; + exportedFunctionDeclarations = undefined; + return updated; } + return node; } - function reset() { - if (disabled) { - return; - } - currentSourceFile = undefined; - sourceMapDir = undefined; - sourceMapSourceIndex = undefined; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = undefined; - lastEncodedNameIndex = undefined; - sourceMapData = undefined; + function transformSystemModuleWorker(node) { + ts.Debug.assert(!exportFunctionForFile); + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + exportFunctionForFile = ts.createUniqueName("exports"); + contextObjectForFile = ts.createUniqueName("context"); + exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; + var dependencyGroups = collectDependencyGroups(externalImports); + var statements = []; + addSystemModuleBody(statements, node, dependencyGroups); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); + var body = ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ + ts.createParameter(exportFunctionForFile), + ts.createParameter(contextObjectForFile) + ], undefined, ts.setEmitFlags(ts.createBlock(statements, undefined, true), 1)); + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), undefined, moduleName + ? [moduleName, dependencies, body] + : [dependencies, body])) + ], ~1 & ts.getEmitFlags(node)); + var _a; } - function encodeLastRecordedSourceMapSpan() { - if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + function addSystemModuleBody(statements, node, dependencyGroups) { + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitSourceElement); + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("__moduleName", undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) + ]))); + var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); + ts.addRange(statements, endLexicalEnvironment()); + ts.addRange(statements, exportedFunctionDeclarations); + var exportStarFunction = addExportStarIfNeeded(statements); + statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ + ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), + ts.createPropertyAssignment("execute", ts.createFunctionExpression(undefined, undefined, undefined, undefined, [], undefined, ts.createBlock(executeStatements, undefined, true))) + ]), true))); + } + function addExportStarIfNeeded(statements) { + if (!hasExportStarsToExportValues) { return; } - var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; - if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { - if (sourceMapData.sourceMapMappings) { - sourceMapData.sourceMapMappings += ","; + if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { + var hasExportDeclarationWithExportClause = false; + for (var _i = 0, externalImports_2 = externalImports; _i < externalImports_2.length; _i++) { + var externalImport = externalImports_2[_i]; + if (externalImport.kind === 237 && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; + } } - } - else { - for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { - sourceMapData.sourceMapMappings += ";"; + if (!hasExportDeclarationWithExportClause) { + return addExportStarFunction(statements, undefined); } - prevEncodedEmittedColumn = 1; - } - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); - if (lastRecordedSourceMapSpan.nameIndex >= 0) { - ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); - lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; - } - lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; - sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); - } - function emitPos(pos) { - if (disabled || ts.positionIsSynthesized(pos)) { - return; - } - if (extendedDiagnostics) { - ts.performance.mark("beforeSourcemap"); - } - var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); - sourceLinePos.line++; - sourceLinePos.character++; - var emittedLine = writer.getLine(); - var emittedColumn = writer.getColumn(); - if (!lastRecordedSourceMapSpan || - lastRecordedSourceMapSpan.emittedLine !== emittedLine || - lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || - (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && - (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || - (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { - encodeLastRecordedSourceMapSpan(); - lastRecordedSourceMapSpan = { - emittedLine: emittedLine, - emittedColumn: emittedColumn, - sourceLine: sourceLinePos.line, - sourceColumn: sourceLinePos.character, - sourceIndex: sourceMapSourceIndex - }; - } - else { - lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; - lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; - lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; - } - if (extendedDiagnostics) { - ts.performance.mark("afterSourcemap"); - ts.performance.measure("Source Map", "beforeSourcemap", "afterSourcemap"); - } - } - function emitNodeWithSourceMap(emitContext, node, emitCallback) { - if (disabled) { - return emitCallback(emitContext, node); } - if (node) { - var emitNode = node.emitNode; - var emitFlags = emitNode && emitNode.flags; - var _a = emitNode && emitNode.sourceMapRange || node, pos = _a.pos, end = _a.end; - if (node.kind !== 287 - && (emitFlags & 512) === 0 - && pos >= 0) { - emitPos(ts.skipTrivia(currentSourceText, pos)); + var exportedNames = []; + if (exportedLocalNames) { + for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { + var exportedLocalName = exportedLocalNames_1[_a]; + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); } - if (emitFlags & 2048) { - disabled = true; - emitCallback(emitContext, node); - disabled = false; + } + for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { + var externalImport = externalImports_3[_b]; + if (externalImport.kind !== 237) { + continue; } - else { - emitCallback(emitContext, node); + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + continue; } - if (node.kind !== 287 - && (emitFlags & 1024) === 0 - && end >= 0) { - emitPos(end); + for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { + var element = _d[_c]; + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); } } + var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exportedNamesStorageRef, undefined, ts.createObjectLiteral(exportedNames, undefined, true)) + ]))); + return addExportStarFunction(statements, exportedNamesStorageRef); } - function emitTokenWithSourceMap(node, token, tokenPos, emitCallback) { - if (disabled) { - return emitCallback(token, tokenPos); - } - var emitNode = node && node.emitNode; - var emitFlags = emitNode && emitNode.flags; - var range = emitNode && emitNode.tokenSourceMapRanges && emitNode.tokenSourceMapRanges[token]; - tokenPos = ts.skipTrivia(currentSourceText, range ? range.pos : tokenPos); - if ((emitFlags & 4096) === 0 && tokenPos >= 0) { - emitPos(tokenPos); - } - tokenPos = emitCallback(token, tokenPos); - if (range) - tokenPos = range.end; - if ((emitFlags & 8192) === 0 && tokenPos >= 0) { - emitPos(tokenPos); + function generateSetters(exportStarFunction, dependencyGroups) { + var setters = []; + for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { + var group = dependencyGroups_1[_i]; + var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); + var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); + var statements = []; + for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { + var entry = _b[_a]; + var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); + switch (entry.kind) { + case 231: + if (!entry.importClause) { + break; + } + case 230: + ts.Debug.assert(importVariableName !== undefined); + statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); + break; + case 237: + ts.Debug.assert(importVariableName !== undefined); + if (entry.exportClause) { + var properties = []; + for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { + var e = _d[_c]; + properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); + } + statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [ts.createObjectLiteral(properties, undefined, true)]))); + } + else { + statements.push(ts.createStatement(ts.createCall(exportStarFunction, undefined, [parameterName]))); + } + break; + } + } + setters.push(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, ts.createBlock(statements, undefined, true))); } - return tokenPos; + return ts.createArrayLiteral(setters, undefined, true); } - function setSourceFile(sourceFile) { - if (disabled) { - return; - } - currentSourceFile = sourceFile; - currentSourceText = currentSourceFile.text; - var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; - var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); - sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); - if (sourceMapSourceIndex === -1) { - sourceMapSourceIndex = sourceMapData.sourceMapSources.length; - sourceMapData.sourceMapSources.push(source); - sourceMapData.inputSourceFileNames.push(currentSourceFile.fileName); - if (compilerOptions.inlineSources) { - sourceMapData.sourceMapSourcesContent.push(currentSourceFile.text); - } + function visitSourceElement(node) { + switch (node.kind) { + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 237: + return visitExportDeclaration(node); + case 236: + return visitExportAssignment(node); + default: + return visitNestedNode(node); } } - function getText() { - if (disabled) { - return; + function visitNestedNode(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var currentGrandparent = currentParent; + currentParent = currentNode; + currentNode = node; + if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { + enclosingBlockScopedContainer = currentParent; } - encodeLastRecordedSourceMapSpan(); - return ts.stringify({ - version: 3, - file: sourceMapData.sourceMapFile, - sourceRoot: sourceMapData.sourceMapSourceRoot, - sources: sourceMapData.sourceMapSources, - names: sourceMapData.sourceMapNames, - mappings: sourceMapData.sourceMapMappings, - sourcesContent: sourceMapData.sourceMapSourcesContent, - }); + var result = visitNestedNodeWorker(node); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return result; } - function getSourceMappingURL() { - if (disabled) { - return; + function visitNestedNodeWorker(node) { + switch (node.kind) { + case 201: + return visitVariableStatement(node); + case 221: + return visitFunctionDeclaration(node); + case 222: + return visitClassDeclaration(node); + case 207: + return visitForStatement(node); + case 208: + return visitForInStatement(node); + case 209: + return visitForOfStatement(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 215: + return visitLabeledStatement(node); + case 213: + return visitWithStatement(node); + case 214: + return visitSwitchStatement(node); + case 228: + return visitCaseBlock(node); + case 249: + return visitCaseClause(node); + case 250: + return visitDefaultClause(node); + case 217: + return visitTryStatement(node); + case 252: + return visitCatchClause(node); + case 200: + return visitBlock(node); + case 203: + return visitExpressionStatement(node); + default: + return node; } - if (compilerOptions.inlineSourceMap) { - var base64SourceMapText = ts.convertToBase64(getText()); - return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; + } + function visitImportDeclaration(node) { + if (node.importClause && ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } - else { - return sourceMapData.jsSourceMappingURL; + return undefined; + } + function visitImportEqualsDeclaration(node) { + if (ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } + return undefined; } - } - ts.createSourceMapWriter = createSourceMapWriter; - var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - function base64FormatEncode(inValue) { - if (inValue < 64) { - return base64Chars.charAt(inValue); + function visitExportDeclaration(node) { + if (!node.moduleSpecifier) { + var statements = []; + ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); + return statements; + } + return undefined; } - throw TypeError(inValue + ": not a 64 based value"); - } - function base64VLQFormatEncode(inValue) { - if (inValue < 0) { - inValue = ((-inValue) << 1) + 1; + function visitExportSpecifier(specifier) { + recordExportName(specifier.name); + return createExportStatement(specifier.name, specifier.propertyName || specifier.name); } - else { - inValue = inValue << 1; + function visitExportAssignment(node) { + if (node.isExportEquals) { + return undefined; + } + return createExportStatement(ts.createLiteral("default"), node.expression); } - var encodedStr = ""; - do { - var currentDigit = inValue & 31; - inValue = inValue >> 5; - if (inValue > 0) { - currentDigit = currentDigit | 32; + function visitVariableStatement(node) { + var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3) == 0) || + enclosingBlockScopedContainer.kind === 256; + if (!shouldHoist) { + return node; } - encodedStr = encodedStr + base64FormatEncode(currentDigit); - } while (inValue > 0); - return encodedStr; - } -})(ts || (ts = {})); -var ts; -(function (ts) { - function createCommentWriter(host, writer, sourceMap) { - var compilerOptions = host.getCompilerOptions(); - var extendedDiagnostics = compilerOptions.extendedDiagnostics; - var newLine = host.getNewLine(); - var emitPos = sourceMap.emitPos; - var containerPos = -1; - var containerEnd = -1; - var declarationListContainerEnd = -1; - var currentSourceFile; - var currentText; - var currentLineMap; - var detachedCommentsInfo; - var hasWrittenComment = false; - var disabled = compilerOptions.removeComments; - return { - reset: reset, - setSourceFile: setSourceFile, - emitNodeWithComments: emitNodeWithComments, - emitBodyWithDetachedComments: emitBodyWithDetachedComments, - emitTrailingCommentsOfPosition: emitTrailingCommentsOfPosition, - }; - function emitNodeWithComments(emitContext, node, emitCallback) { - if (disabled) { - emitCallback(emitContext, node); + var isExported = ts.hasModifier(node, 1); + var expressions = []; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, isExported); + if (visited) { + expressions.push(visited); + } + } + if (expressions.length) { + return ts.createStatement(ts.inlineExpressions(expressions), node); + } + return undefined; + } + function transformVariable(node, isExported) { + hoistBindingElement(node, isExported); + if (!node.initializer) { return; } - if (node) { - var _a = ts.getCommentRange(node), pos = _a.pos, end = _a.end; - var emitFlags = ts.getEmitFlags(node); - if ((pos < 0 && end < 0) || (pos === end)) { - if (emitFlags & 65536) { - disabled = true; - emitCallback(emitContext, node); - disabled = false; - } - else { - emitCallback(emitContext, node); - } - } - else { - if (extendedDiagnostics) { - ts.performance.mark("preEmitNodeWithComment"); - } - var isEmittedNode = node.kind !== 287; - var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; - var skipTrailingComments = end < 0 || (emitFlags & 32768) !== 0; - if (!skipLeadingComments) { - emitLeadingComments(pos, isEmittedNode); - } - var savedContainerPos = containerPos; - var savedContainerEnd = containerEnd; - var savedDeclarationListContainerEnd = declarationListContainerEnd; - if (!skipLeadingComments) { - containerPos = pos; - } - if (!skipTrailingComments) { - containerEnd = end; - if (node.kind === 220) { - declarationListContainerEnd = end; - } - } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "preEmitNodeWithComment"); - } - if (emitFlags & 65536) { - disabled = true; - emitCallback(emitContext, node); - disabled = false; - } - else { - emitCallback(emitContext, node); - } - if (extendedDiagnostics) { - ts.performance.mark("beginEmitNodeWithComment"); - } - containerPos = savedContainerPos; - containerEnd = savedContainerEnd; - declarationListContainerEnd = savedDeclarationListContainerEnd; - if (!skipTrailingComments && isEmittedNode) { - emitTrailingComments(end); - } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "beginEmitNodeWithComment"); - } - } + var name = node.name; + if (ts.isIdentifier(name)) { + return ts.createAssignment(name, node.initializer); + } + else { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); } } - function emitBodyWithDetachedComments(node, detachedRange, emitCallback) { - if (extendedDiagnostics) { - ts.performance.mark("preEmitBodyWithDetachedComments"); + function visitFunctionDeclaration(node) { + if (ts.hasModifier(node, 1)) { + var name_41 = node.name || ts.getGeneratedNameForNode(node); + var isAsync = ts.hasModifier(node, 256); + var newNode = ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name_41, undefined, node.parameters, undefined, node.body, node); + recordExportedFunctionDeclaration(node); + if (!ts.hasModifier(node, 512)) { + recordExportName(name_41); + } + ts.setOriginalNode(newNode, node); + node = newNode; } - var pos = detachedRange.pos, end = detachedRange.end; - var emitFlags = ts.getEmitFlags(node); - var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; - var skipTrailingComments = disabled || end < 0 || (emitFlags & 32768) !== 0; - if (!skipLeadingComments) { - emitDetachedCommentsAndUpdateCommentsInfo(detachedRange); + hoistFunctionDeclaration(node); + return undefined; + } + function visitExpressionStatement(node) { + var originalNode = ts.getOriginalNode(node); + if ((originalNode.kind === 226 || originalNode.kind === 225) && ts.hasModifier(originalNode, 1)) { + var name_42 = getDeclarationName(originalNode); + if (originalNode.kind === 225) { + hoistVariableDeclaration(name_42); + } + return [ + node, + createExportStatement(name_42, name_42) + ]; } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "preEmitBodyWithDetachedComments"); + return node; + } + function visitClassDeclaration(node) { + var name = getDeclarationName(node); + hoistVariableDeclaration(name); + var statements = []; + statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression(undefined, node.name, undefined, node.heritageClauses, node.members, node)), node)); + if (ts.hasModifier(node, 1)) { + if (!ts.hasModifier(node, 512)) { + recordExportName(name); + } + statements.push(createDeclarationExport(node)); } - if (emitFlags & 65536 && !disabled) { - disabled = true; - emitCallback(node); - disabled = false; + return statements; + } + function shouldHoistLoopInitializer(node) { + return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3) === 0; + } + function visitForStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var expressions = []; + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, false); + if (visited) { + expressions.push(visited); + } + } + ; + return ts.createFor(expressions.length + ? ts.inlineExpressions(expressions) + : ts.createSynthesizedNode(194), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), node); } else { - emitCallback(node); - } - if (extendedDiagnostics) { - ts.performance.mark("beginEmitBodyWithDetachedCommetns"); + return ts.visitEachChild(node, visitNestedNode, context); } - if (!skipTrailingComments) { - emitLeadingComments(detachedRange.end, true); + } + function transformForBinding(node) { + var firstDeclaration = ts.firstOrUndefined(node.declarations); + hoistBindingElement(firstDeclaration, false); + var name = firstDeclaration.name; + return ts.isIdentifier(name) + ? name + : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); + } + function visitForInStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + return updated; } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "beginEmitBodyWithDetachedCommetns"); + else { + return ts.visitEachChild(node, visitNestedNode, context); } } - function emitLeadingComments(pos, isEmittedNode) { - hasWrittenComment = false; - if (isEmittedNode) { - forEachLeadingCommentToEmit(pos, emitLeadingComment); + function visitForOfStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + return updated; } - else if (pos === 0) { - forEachLeadingCommentToEmit(pos, emitTripleSlashLeadingComment); + else { + return ts.visitEachChild(node, visitNestedNode, context); } } - function emitTripleSlashLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) { - if (isTripleSlashComment(commentPos, commentEnd)) { - emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos); + function visitDoStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } + return node; } - function emitLeadingComment(commentPos, commentEnd, _kind, hasTrailingNewLine, rangePos) { - if (!hasWrittenComment) { - ts.emitNewLineBeforeLeadingCommentOfPosition(currentLineMap, writer, rangePos, commentPos); - hasWrittenComment = true; + function visitWhileStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - emitPos(commentPos); - ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - if (hasTrailingNewLine) { - writer.writeLine(); + return node; + } + function visitLabeledStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - else { - writer.write(" "); + return node; + } + function visitWithStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } + return node; } - function emitTrailingComments(pos) { - forEachTrailingCommentToEmit(pos, emitTrailingComment); + function visitSwitchStatement(node) { + var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); + if (caseBlock !== node.caseBlock) { + var updated = ts.getMutableClone(node); + updated.caseBlock = caseBlock; + return updated; + } + return node; } - function emitTrailingComment(commentPos, commentEnd, _kind, hasTrailingNewLine) { - if (!writer.isAtStartOfLine()) { - writer.write(" "); + function visitCaseBlock(node) { + var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); + if (clauses !== node.clauses) { + var updated = ts.getMutableClone(node); + updated.clauses = clauses; + return updated; } - emitPos(commentPos); - ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - if (hasTrailingNewLine) { - writer.writeLine(); + return node; + } + function visitCaseClause(node) { + var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); + if (statements !== node.statements) { + var updated = ts.getMutableClone(node); + updated.statements = statements; + return updated; } + return node; } - function emitTrailingCommentsOfPosition(pos) { - if (disabled) { - return; + function visitDefaultClause(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function visitTryStatement(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function visitCatchClause(node) { + var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); + if (block !== node.block) { + var updated = ts.getMutableClone(node); + updated.block = block; + return updated; } - if (extendedDiagnostics) { - ts.performance.mark("beforeEmitTrailingCommentsOfPosition"); + return node; + } + function visitBlock(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256) { + exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + exportFunctionForFile = undefined; } - forEachTrailingCommentToEmit(pos, emitTrailingCommentOfPosition); - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "beforeEmitTrailingCommentsOfPosition"); + else { + previousOnEmitNode(emitContext, node, emitCallback); } } - function emitTrailingCommentOfPosition(commentPos, commentEnd, _kind, hasTrailingNewLine) { - emitPos(commentPos); - ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - if (hasTrailingNewLine) { - writer.writeLine(); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - else { - writer.write(" "); + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 188: + return substituteBinaryExpression(node); + case 186: + case 187: + return substituteUnaryExpression(node); } + return node; } - function forEachLeadingCommentToEmit(pos, cb) { - if (containerPos === -1 || pos !== containerPos) { - if (hasDetachedComments(pos)) { - forEachLeadingCommentWithoutDetachedComments(cb); - } - else { - ts.forEachLeadingCommentRange(currentText, pos, cb, pos); + function substituteExpressionIdentifier(node) { + var importDeclaration = resolver.getReferencedImportDeclaration(node); + if (importDeclaration) { + var importBinding = createImportBinding(importDeclaration); + if (importBinding) { + return importBinding; } } + return node; } - function forEachTrailingCommentToEmit(end, cb) { - if (containerEnd === -1 || (end !== containerEnd && end !== declarationListContainerEnd)) { - ts.forEachTrailingCommentRange(currentText, end, cb); + function substituteBinaryExpression(node) { + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return substituteAssignmentExpression(node); } + return node; } - function reset() { - currentSourceFile = undefined; - currentText = undefined; - currentLineMap = undefined; - detachedCommentsInfo = undefined; + function substituteAssignmentExpression(node) { + ts.setEmitFlags(node, 128); + var left = node.left; + switch (left.kind) { + case 70: + var exportDeclaration = resolver.getReferencedExportContainer(left); + if (exportDeclaration) { + return createExportExpression(left, node); + } + break; + case 172: + case 171: + if (hasExportedReferenceInDestructuringPattern(left)) { + return substituteDestructuring(node); + } + break; + } + return node; } - function setSourceFile(sourceFile) { - currentSourceFile = sourceFile; - currentText = currentSourceFile.text; - currentLineMap = ts.getLineStarts(currentSourceFile); - detachedCommentsInfo = undefined; + function isExportedBinding(name) { + var container = resolver.getReferencedExportContainer(name); + return container && container.kind === 256; } - function hasDetachedComments(pos) { - return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; + function hasExportedReferenceInDestructuringPattern(node) { + switch (node.kind) { + case 70: + return isExportedBinding(node); + case 172: + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var property = _a[_i]; + if (hasExportedReferenceInObjectDestructuringElement(property)) { + return true; + } + } + break; + case 171: + for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { + var element = _c[_b]; + if (hasExportedReferenceInArrayDestructuringElement(element)) { + return true; + } + } + break; + } + return false; } - function forEachLeadingCommentWithoutDetachedComments(cb) { - var pos = ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos; - if (detachedCommentsInfo.length - 1) { - detachedCommentsInfo.pop(); + function hasExportedReferenceInObjectDestructuringElement(node) { + if (ts.isShorthandPropertyAssignment(node)) { + return isExportedBinding(node.name); + } + else if (ts.isPropertyAssignment(node)) { + return hasExportedReferenceInDestructuringElement(node.initializer); } else { - detachedCommentsInfo = undefined; + return false; } - ts.forEachLeadingCommentRange(currentText, pos, cb, pos); } - function emitDetachedCommentsAndUpdateCommentsInfo(range) { - var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, range, newLine, disabled); - if (currentDetachedCommentInfo) { - if (detachedCommentsInfo) { - detachedCommentsInfo.push(currentDetachedCommentInfo); - } - else { - detachedCommentsInfo = [currentDetachedCommentInfo]; - } + function hasExportedReferenceInArrayDestructuringElement(node) { + if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else { + return hasExportedReferenceInDestructuringElement(node); } } - function writeComment(text, lineMap, writer, commentPos, commentEnd, newLine) { - emitPos(commentPos); - ts.writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - } - function isTripleSlashComment(commentPos, commentEnd) { - if (currentText.charCodeAt(commentPos + 1) === 47 && - commentPos + 2 < commentEnd && - currentText.charCodeAt(commentPos + 2) === 47) { - var textSubStr = currentText.substring(commentPos, commentEnd); - return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || - textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? - true : false; + function hasExportedReferenceInDestructuringElement(node) { + if (ts.isBinaryExpression(node)) { + var left = node.left; + return node.operatorToken.kind === 57 + && isDestructuringPattern(left) + && hasExportedReferenceInDestructuringPattern(left); + } + else if (ts.isIdentifier(node)) { + return isExportedBinding(node); + } + else if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else if (isDestructuringPattern(node)) { + return hasExportedReferenceInDestructuringPattern(node); + } + else { + return false; } - return false; } - } - ts.createCommentWriter = createCommentWriter; -})(ts || (ts = {})); -var ts; -(function (ts) { - var TempFlags; - (function (TempFlags) { - TempFlags[TempFlags["Auto"] = 0] = "Auto"; - TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; - TempFlags[TempFlags["_i"] = 268435456] = "_i"; - })(TempFlags || (TempFlags = {})); - var id = function (s) { return s; }; - var nullTransformers = [function (_) { return id; }]; - function emitFiles(resolver, host, targetSourceFile, emitOnlyDtsFiles) { - var delimiters = createDelimiterMap(); - var brackets = createBracketsMap(); - var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; - var assignHelper = "\nvar __assign = (this && this.__assign) || Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n};"; - var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; - var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; - var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; - var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; - var generatorHelper = "\nvar __generator = (this && this.__generator) || function (thisArg, body) {\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;\n return { next: verb(0), \"throw\": verb(1), \"return\": verb(2) };\n function verb(n) { return function (v) { return step([n, v]); }; }\n function step(op) {\n if (f) throw new TypeError(\"Generator is already executing.\");\n while (_) try {\n if (f = 1, y && (t = y[op[0] & 2 ? \"return\" : op[0] ? \"throw\" : \"next\"]) && !(t = t.call(y, op[1])).done) return t;\n if (y = 0, t) op = [0, t.value];\n switch (op[0]) {\n case 0: case 1: t = op; break;\n case 4: _.label++; return { value: op[1], done: false };\n case 5: _.label++; y = op[1]; op = [0]; continue;\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\n default:\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n if (t[2]) _.ops.pop();\n _.trys.pop(); continue;\n }\n op = body.call(thisArg, _);\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n }\n};"; - var exportStarHelper = "\nfunction __export(m) {\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\n}"; - var umdHelper = "\n(function (dependencies, factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define(dependencies, factory);\n }\n})"; - var superHelper = "\nconst _super = name => super[name];"; - var advancedSuperHelper = "\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; - var emittedFilesList = compilerOptions.listEmittedFiles ? [] : undefined; - var emitterDiagnostics = ts.createDiagnosticCollection(); - var newLine = host.getNewLine(); - var transformers = emitOnlyDtsFiles ? nullTransformers : ts.getTransformers(compilerOptions); - var writer = ts.createTextWriter(newLine); - var write = writer.write, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; - var sourceMap = ts.createSourceMapWriter(host, writer); - var emitNodeWithSourceMap = sourceMap.emitNodeWithSourceMap, emitTokenWithSourceMap = sourceMap.emitTokenWithSourceMap; - var comments = ts.createCommentWriter(host, writer, sourceMap); - var emitNodeWithComments = comments.emitNodeWithComments, emitBodyWithDetachedComments = comments.emitBodyWithDetachedComments, emitTrailingCommentsOfPosition = comments.emitTrailingCommentsOfPosition; - var nodeIdToGeneratedName; - var autoGeneratedIdToGeneratedName; - var generatedNameSet; - var tempFlags; - var currentSourceFile; - var currentText; - var currentFileIdentifiers; - var extendsEmitted; - var assignEmitted; - var decorateEmitted; - var paramEmitted; - var awaiterEmitted; - var isOwnFileEmit; - var emitSkipped = false; - var sourceFiles = ts.getSourceFilesToEmit(host, targetSourceFile); - ts.performance.mark("beforeTransform"); - var _a = ts.transformFiles(resolver, host, sourceFiles, transformers), transformed = _a.transformed, emitNodeWithSubstitution = _a.emitNodeWithSubstitution, emitNodeWithNotification = _a.emitNodeWithNotification; - ts.performance.measure("transformTime", "beforeTransform"); - ts.performance.mark("beforePrint"); - ts.forEachTransformedEmitFile(host, transformed, emitFile, emitOnlyDtsFiles); - ts.performance.measure("printTime", "beforePrint"); - for (var _b = 0, sourceFiles_4 = sourceFiles; _b < sourceFiles_4.length; _b++) { - var sourceFile = sourceFiles_4[_b]; - ts.disposeEmitNodes(sourceFile); + function isDestructuringPattern(node) { + var kind = node.kind; + return kind === 70 + || kind === 172 + || kind === 171; } - return { - emitSkipped: emitSkipped, - diagnostics: emitterDiagnostics.getDiagnostics(), - emittedFiles: emittedFilesList, - sourceMaps: sourceMapDataList - }; - function emitFile(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, isBundledEmit) { - if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { - if (!emitOnlyDtsFiles) { - printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + function substituteDestructuring(node) { + return ts.flattenDestructuringAssignment(context, node, true, hoistVariableDeclaration); + } + function substituteUnaryExpression(node) { + var operand = node.operand; + var operator = node.operator; + var substitute = ts.isIdentifier(operand) && + (node.kind === 187 || + (node.kind === 186 && (operator === 42 || operator === 43))); + if (substitute) { + var exportDeclaration = resolver.getReferencedExportContainer(operand); + if (exportDeclaration) { + var expr = ts.createPrefix(node.operator, operand, node); + ts.setEmitFlags(expr, 128); + var call = createExportExpression(operand, expr); + if (node.kind === 186) { + return call; + } + else { + return operator === 42 + ? ts.createSubtract(call, ts.createLiteral(1)) + : ts.createAdd(call, ts.createLiteral(1)); + } } } - else { - emitSkipped = true; + return node; + } + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function addExportStarFunction(statements, localNames) { + var exportStarFunction = ts.createUniqueName("exportStar"); + var m = ts.createIdentifier("m"); + var n = ts.createIdentifier("n"); + var exports = ts.createIdentifier("exports"); + var condition = ts.createStrictInequality(n, ts.createLiteral("default")); + if (localNames) { + condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + } + statements.push(ts.createFunctionDeclaration(undefined, undefined, undefined, exportStarFunction, undefined, [ts.createParameter(m)], undefined, ts.createBlock([ + ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exports, undefined, ts.createObjectLiteral([])) + ])), + ts.createForIn(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(n, undefined) + ]), m, ts.createBlock([ + ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32) + ])), + ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [exports])) + ], undefined, true))); + return exportStarFunction; + } + function createExportExpression(name, value) { + var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; + return ts.createCall(exportFunctionForFile, undefined, [exportName, value]); + } + function createExportStatement(name, value) { + return ts.createStatement(createExportExpression(name, value)); + } + function createDeclarationExport(node) { + var declarationName = getDeclarationName(node); + var exportName = ts.hasModifier(node, 512) ? ts.createLiteral("default") : declarationName; + return createExportStatement(exportName, declarationName); + } + function createImportBinding(importDeclaration) { + var importAlias; + var name; + if (ts.isImportClause(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); + name = ts.createIdentifier("default"); } - if (declarationFilePath) { - emitSkipped = ts.writeDeclarationFile(declarationFilePath, ts.getOriginalSourceFiles(sourceFiles), isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) || emitSkipped; + else if (ts.isImportSpecifier(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); + name = importDeclaration.propertyName || importDeclaration.name; } - if (!emitSkipped && emittedFilesList) { - if (!emitOnlyDtsFiles) { - emittedFilesList.push(jsFilePath); - } - if (sourceMapFilePath) { - emittedFilesList.push(sourceMapFilePath); - } - if (declarationFilePath) { - emittedFilesList.push(declarationFilePath); - } + else { + return undefined; } + return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); } - function printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - nodeIdToGeneratedName = []; - autoGeneratedIdToGeneratedName = []; - generatedNameSet = ts.createMap(); - isOwnFileEmit = !isBundledEmit; - if (isBundledEmit && moduleKind) { - for (var _a = 0, sourceFiles_5 = sourceFiles; _a < sourceFiles_5.length; _a++) { - var sourceFile = sourceFiles_5[_a]; - emitEmitHelpers(sourceFile); + function collectDependencyGroups(externalImports) { + var groupIndices = ts.createMap(); + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var externalImport = externalImports[i]; + var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); + var text = externalModuleName.text; + if (ts.hasProperty(groupIndices, text)) { + var groupIndex = groupIndices[text]; + dependencyGroups[groupIndex].externalImports.push(externalImport); + continue; + } + else { + groupIndices[text] = dependencyGroups.length; + dependencyGroups.push({ + name: externalModuleName, + externalImports: [externalImport] + }); } } - ts.forEach(sourceFiles, printSourceFile); - writeLine(); - var sourceMappingURL = sourceMap.getSourceMappingURL(); - if (sourceMappingURL) { - write("//# " + "sourceMappingURL" + "=" + sourceMappingURL); - } - if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { - ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); - } - if (sourceMapDataList) { - sourceMapDataList.push(sourceMap.getSourceMapData()); - } - ts.writeFile(host, emitterDiagnostics, jsFilePath, writer.getText(), compilerOptions.emitBOM); - sourceMap.reset(); - comments.reset(); - writer.reset(); - tempFlags = 0; - currentSourceFile = undefined; - currentText = undefined; - extendsEmitted = false; - assignEmitted = false; - decorateEmitted = false; - paramEmitted = false; - awaiterEmitted = false; - isOwnFileEmit = false; - } - function printSourceFile(node) { - currentSourceFile = node; - currentText = node.text; - currentFileIdentifiers = node.identifiers; - sourceMap.setSourceFile(node); - comments.setSourceFile(node); - pipelineEmitWithNotification(0, node); - } - function emit(node) { - pipelineEmitWithNotification(3, node); - } - function emitIdentifierName(node) { - pipelineEmitWithNotification(2, node); + return dependencyGroups; } - function emitExpression(node) { - pipelineEmitWithNotification(1, node); + function getNameOfDependencyGroup(dependencyGroup) { + return dependencyGroup.name; } - function pipelineEmitWithNotification(emitContext, node) { - emitNodeWithNotification(emitContext, node, pipelineEmitWithComments); + function recordExportName(name) { + if (!exportedLocalNames) { + exportedLocalNames = []; + } + exportedLocalNames.push(name); } - function pipelineEmitWithComments(emitContext, node) { - if (emitContext === 0) { - pipelineEmitWithSourceMap(emitContext, node); - return; + function recordExportedFunctionDeclaration(node) { + if (!exportedFunctionDeclarations) { + exportedFunctionDeclarations = []; } - emitNodeWithComments(emitContext, node, pipelineEmitWithSourceMap); + exportedFunctionDeclarations.push(createDeclarationExport(node)); } - function pipelineEmitWithSourceMap(emitContext, node) { - if (emitContext === 0 - || emitContext === 2) { - pipelineEmitWithSubstitution(emitContext, node); + function hoistBindingElement(node, isExported) { + if (ts.isOmittedExpression(node)) { return; } - emitNodeWithSourceMap(emitContext, node, pipelineEmitWithSubstitution); + var name = node.name; + if (ts.isIdentifier(name)) { + hoistVariableDeclaration(ts.getSynthesizedClone(name)); + if (isExported) { + recordExportName(name); + } + } + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); + } } - function pipelineEmitWithSubstitution(emitContext, node) { - emitNodeWithSubstitution(emitContext, node, pipelineEmitForContext); + function hoistExportedBindingElement(node) { + hoistBindingElement(node, true); } - function pipelineEmitForContext(emitContext, node) { - switch (emitContext) { - case 0: return pipelineEmitInSourceFileContext(node); - case 2: return pipelineEmitInIdentifierNameContext(node); - case 3: return pipelineEmitInUnspecifiedContext(node); - case 1: return pipelineEmitInExpressionContext(node); - } + function hoistNonExportedBindingElement(node) { + hoistBindingElement(node, false); } - function pipelineEmitInSourceFileContext(node) { - var kind = node.kind; - switch (kind) { - case 256: - return emitSourceFile(node); - } + function updateSourceFile(node, statements, nodeEmitFlags) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + ts.setEmitFlags(updated, nodeEmitFlags); + return updated; } - function pipelineEmitInIdentifierNameContext(node) { - var kind = node.kind; - switch (kind) { - case 70: - return emitIdentifier(node); + } + ts.transformSystemModule = transformSystemModule; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2015Module(context) { + var compilerOptions = context.getCompilerOptions(); + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + return ts.visitEachChild(node, visitor, context); + } + return node; } - function pipelineEmitInUnspecifiedContext(node) { - var kind = node.kind; - switch (kind) { - case 13: - case 14: - case 15: - return emitLiteral(node); - case 70: - return emitIdentifier(node); - case 75: - case 78: - case 83: - case 104: - case 111: - case 112: - case 113: - case 114: - case 116: - case 117: - case 118: - case 119: - case 120: - case 121: - case 122: - case 123: - case 124: - case 125: - case 126: - case 127: - case 128: - case 129: - case 130: - case 131: - case 132: - case 133: - case 134: - case 135: - case 136: - case 137: - case 138: - case 139: - writeTokenText(kind); - return; - case 140: - return emitQualifiedName(node); - case 141: - return emitComputedPropertyName(node); - case 142: - return emitTypeParameter(node); - case 143: - return emitParameter(node); - case 144: - return emitDecorator(node); - case 145: - return emitPropertySignature(node); - case 146: - return emitPropertyDeclaration(node); - case 147: - return emitMethodSignature(node); - case 148: - return emitMethodDeclaration(node); - case 149: - return emitConstructor(node); - case 150: - case 151: - return emitAccessorDeclaration(node); - case 152: - return emitCallSignature(node); - case 153: - return emitConstructSignature(node); - case 154: - return emitIndexSignature(node); - case 155: - return emitTypePredicate(node); - case 156: - return emitTypeReference(node); - case 157: - return emitFunctionType(node); - case 158: - return emitConstructorType(node); - case 159: - return emitTypeQuery(node); - case 160: - return emitTypeLiteral(node); - case 161: - return emitArrayType(node); - case 162: - return emitTupleType(node); - case 163: - return emitUnionType(node); - case 164: - return emitIntersectionType(node); - case 165: - return emitParenthesizedType(node); - case 195: - return emitExpressionWithTypeArguments(node); - case 166: - return emitThisType(); - case 167: - return emitLiteralType(node); - case 168: - return emitObjectBindingPattern(node); - case 169: - return emitArrayBindingPattern(node); - case 170: - return emitBindingElement(node); - case 198: - return emitTemplateSpan(node); - case 199: - return emitSemicolonClassElement(); - case 200: - return emitBlock(node); - case 201: - return emitVariableStatement(node); - case 202: - return emitEmptyStatement(); - case 203: - return emitExpressionStatement(node); - case 204: - return emitIfStatement(node); - case 205: - return emitDoStatement(node); - case 206: - return emitWhileStatement(node); - case 207: - return emitForStatement(node); - case 208: - return emitForInStatement(node); - case 209: - return emitForOfStatement(node); - case 210: - return emitContinueStatement(node); - case 211: - return emitBreakStatement(node); - case 212: - return emitReturnStatement(node); - case 213: - return emitWithStatement(node); - case 214: - return emitSwitchStatement(node); - case 215: - return emitLabeledStatement(node); - case 216: - return emitThrowStatement(node); - case 217: - return emitTryStatement(node); - case 218: - return emitDebuggerStatement(node); - case 219: - return emitVariableDeclaration(node); - case 220: - return emitVariableDeclarationList(node); - case 221: - return emitFunctionDeclaration(node); - case 222: - return emitClassDeclaration(node); - case 223: - return emitInterfaceDeclaration(node); - case 224: - return emitTypeAliasDeclaration(node); - case 225: - return emitEnumDeclaration(node); - case 226: - return emitModuleDeclaration(node); - case 227: - return emitModuleBlock(node); - case 228: - return emitCaseBlock(node); + function visitor(node) { + switch (node.kind) { case 230: - return emitImportEqualsDeclaration(node); - case 231: - return emitImportDeclaration(node); - case 232: - return emitImportClause(node); - case 233: - return emitNamespaceImport(node); - case 234: - return emitNamedImports(node); - case 235: - return emitImportSpecifier(node); + return undefined; case 236: - return emitExportAssignment(node); - case 237: - return emitExportDeclaration(node); - case 238: - return emitNamedExports(node); - case 239: - return emitExportSpecifier(node); - case 240: - return; - case 241: - return emitExternalModuleReference(node); - case 10: - return emitJsxText(node); - case 244: - return emitJsxOpeningElement(node); - case 245: - return emitJsxClosingElement(node); - case 246: - return emitJsxAttribute(node); - case 247: - return emitJsxSpreadAttribute(node); - case 248: - return emitJsxExpression(node); - case 249: - return emitCaseClause(node); - case 250: - return emitDefaultClause(node); - case 251: - return emitHeritageClause(node); - case 252: - return emitCatchClause(node); - case 253: - return emitPropertyAssignment(node); - case 254: - return emitShorthandPropertyAssignment(node); - case 255: - return emitEnumMember(node); - } - if (ts.isExpression(node)) { - return pipelineEmitWithSubstitution(1, node); + return visitExportAssignment(node); } + return node; } - function pipelineEmitInExpressionContext(node) { - var kind = node.kind; - switch (kind) { - case 8: - return emitNumericLiteral(node); - case 9: - case 11: - case 12: - return emitLiteral(node); - case 70: - return emitIdentifier(node); - case 85: - case 94: - case 96: - case 100: - case 98: - writeTokenText(kind); - return; - case 171: - return emitArrayLiteralExpression(node); - case 172: - return emitObjectLiteralExpression(node); - case 173: - return emitPropertyAccessExpression(node); - case 174: - return emitElementAccessExpression(node); - case 175: - return emitCallExpression(node); - case 176: - return emitNewExpression(node); - case 177: - return emitTaggedTemplateExpression(node); - case 178: - return emitTypeAssertionExpression(node); - case 179: - return emitParenthesizedExpression(node); - case 180: - return emitFunctionExpression(node); - case 181: - return emitArrowFunction(node); - case 182: - return emitDeleteExpression(node); - case 183: - return emitTypeOfExpression(node); - case 184: - return emitVoidExpression(node); - case 185: - return emitAwaitExpression(node); - case 186: - return emitPrefixUnaryExpression(node); - case 187: - return emitPostfixUnaryExpression(node); - case 188: - return emitBinaryExpression(node); - case 189: - return emitConditionalExpression(node); - case 190: - return emitTemplateExpression(node); - case 191: - return emitYieldExpression(node); - case 192: - return emitSpreadElementExpression(node); - case 193: - return emitClassExpression(node); - case 194: - return; - case 196: - return emitAsExpression(node); - case 197: - return emitNonNullExpression(node); - case 242: - return emitJsxElement(node); - case 243: - return emitJsxSelfClosingElement(node); - case 288: - return emitPartiallyEmittedExpression(node); - } + function visitExportAssignment(node) { + return node.isExportEquals ? undefined : node; + } + } + ts.transformES2015Module = transformES2015Module; +})(ts || (ts = {})); +var ts; +(function (ts) { + var moduleTransformerMap = ts.createMap((_a = {}, + _a[ts.ModuleKind.ES2015] = ts.transformES2015Module, + _a[ts.ModuleKind.System] = ts.transformSystemModule, + _a[ts.ModuleKind.AMD] = ts.transformModule, + _a[ts.ModuleKind.CommonJS] = ts.transformModule, + _a[ts.ModuleKind.UMD] = ts.transformModule, + _a[ts.ModuleKind.None] = ts.transformModule, + _a)); + function getTransformers(compilerOptions) { + var jsx = compilerOptions.jsx; + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var transformers = []; + transformers.push(ts.transformTypeScript); + transformers.push(moduleTransformerMap[moduleKind] || moduleTransformerMap[ts.ModuleKind.None]); + if (jsx === 2) { + transformers.push(ts.transformJsx); + } + if (languageVersion < 4) { + transformers.push(ts.transformES2017); + } + if (languageVersion < 3) { + transformers.push(ts.transformES2016); } - function emitNumericLiteral(node) { - emitLiteral(node); - if (node.trailingComment) { - write(" /*" + node.trailingComment + "*/"); + if (languageVersion < 2) { + transformers.push(ts.transformES2015); + transformers.push(ts.transformGenerators); + } + if (languageVersion < 1) { + transformers.push(ts.transformES5); + } + return transformers; + } + ts.getTransformers = getTransformers; + function transformFiles(resolver, host, sourceFiles, transformers) { + var lexicalEnvironmentVariableDeclarationsStack = []; + var lexicalEnvironmentFunctionDeclarationsStack = []; + var enabledSyntaxKindFeatures = new Array(289); + var lexicalEnvironmentStackOffset = 0; + var hoistedVariableDeclarations; + var hoistedFunctionDeclarations; + var lexicalEnvironmentDisabled; + var context = { + getCompilerOptions: function () { return host.getCompilerOptions(); }, + getEmitResolver: function () { return resolver; }, + getEmitHost: function () { return host; }, + hoistVariableDeclaration: hoistVariableDeclaration, + hoistFunctionDeclaration: hoistFunctionDeclaration, + startLexicalEnvironment: startLexicalEnvironment, + endLexicalEnvironment: endLexicalEnvironment, + onSubstituteNode: function (_emitContext, node) { return node; }, + enableSubstitution: enableSubstitution, + isSubstitutionEnabled: isSubstitutionEnabled, + onEmitNode: function (node, emitContext, emitCallback) { return emitCallback(node, emitContext); }, + enableEmitNotification: enableEmitNotification, + isEmitNotificationEnabled: isEmitNotificationEnabled + }; + var transformation = ts.chain.apply(void 0, transformers)(context); + var transformed = ts.map(sourceFiles, transformSourceFile); + lexicalEnvironmentDisabled = true; + return { + transformed: transformed, + emitNodeWithSubstitution: emitNodeWithSubstitution, + emitNodeWithNotification: emitNodeWithNotification + }; + function transformSourceFile(sourceFile) { + if (ts.isDeclarationFile(sourceFile)) { + return sourceFile; } + return transformation(sourceFile); } - function emitLiteral(node) { - var text = getLiteralTextOfNode(node); - if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) - && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { - writer.writeLiteral(text); + function enableSubstitution(kind) { + enabledSyntaxKindFeatures[kind] |= 1; + } + function isSubstitutionEnabled(node) { + return (enabledSyntaxKindFeatures[node.kind] & 1) !== 0 + && (ts.getEmitFlags(node) & 128) === 0; + } + function emitNodeWithSubstitution(emitContext, node, emitCallback) { + if (node) { + if (isSubstitutionEnabled(node)) { + var substitute = context.onSubstituteNode(emitContext, node); + if (substitute && substitute !== node) { + emitCallback(emitContext, substitute); + return; + } + } + emitCallback(emitContext, node); } - else { - write(text); + } + function enableEmitNotification(kind) { + enabledSyntaxKindFeatures[kind] |= 2; + } + function isEmitNotificationEnabled(node) { + return (enabledSyntaxKindFeatures[node.kind] & 2) !== 0 + || (ts.getEmitFlags(node) & 64) !== 0; + } + function emitNodeWithNotification(emitContext, node, emitCallback) { + if (node) { + if (isEmitNotificationEnabled(node)) { + context.onEmitNode(emitContext, node, emitCallback); + } + else { + emitCallback(emitContext, node); + } } } - function emitIdentifier(node) { - if (ts.getEmitFlags(node) & 16) { - writeLines(umdHelper); + function hoistVariableDeclaration(name) { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); + var decl = ts.createVariableDeclaration(name); + if (!hoistedVariableDeclarations) { + hoistedVariableDeclarations = [decl]; } else { - write(getTextOfNode(node, false)); + hoistedVariableDeclarations.push(decl); } } - function emitQualifiedName(node) { - emitEntityName(node.left); - write("."); - emit(node.right); - } - function emitEntityName(node) { - if (node.kind === 70) { - emitExpression(node); + function hoistFunctionDeclaration(func) { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); + if (!hoistedFunctionDeclarations) { + hoistedFunctionDeclarations = [func]; } else { - emit(node); + hoistedFunctionDeclarations.push(func); } } - function emitComputedPropertyName(node) { - write("["); - emitExpression(node.expression); - write("]"); - } - function emitTypeParameter(node) { - emit(node.name); - emitWithPrefix(" extends ", node.constraint); - } - function emitParameter(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - writeIfPresent(node.dotDotDotToken, "..."); - emit(node.name); - writeIfPresent(node.questionToken, "?"); - emitExpressionWithPrefix(" = ", node.initializer); - emitWithPrefix(": ", node.type); - } - function emitDecorator(decorator) { - write("@"); - emitExpression(decorator.expression); - } - function emitPropertySignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emit(node.name); - writeIfPresent(node.questionToken, "?"); - emitWithPrefix(": ", node.type); - write(";"); - } - function emitPropertyDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emit(node.name); - emitWithPrefix(": ", node.type); - emitExpressionWithPrefix(" = ", node.initializer); - write(";"); - } - function emitMethodSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emit(node.name); - writeIfPresent(node.questionToken, "?"); - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); - } - function emitMethodDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - writeIfPresent(node.asteriskToken, "*"); - emit(node.name); - emitSignatureAndBody(node, emitSignatureHead); + function startLexicalEnvironment() { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot start a lexical environment during the print phase."); + lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedVariableDeclarations; + lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedFunctionDeclarations; + lexicalEnvironmentStackOffset++; + hoistedVariableDeclarations = undefined; + hoistedFunctionDeclarations = undefined; } - function emitConstructor(node) { - emitModifiers(node, node.modifiers); - write("constructor"); - emitSignatureAndBody(node, emitSignatureHead); + function endLexicalEnvironment() { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot end a lexical environment during the print phase."); + var statements; + if (hoistedVariableDeclarations || hoistedFunctionDeclarations) { + if (hoistedFunctionDeclarations) { + statements = hoistedFunctionDeclarations.slice(); + } + if (hoistedVariableDeclarations) { + var statement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList(hoistedVariableDeclarations)); + if (!statements) { + statements = [statement]; + } + else { + statements.push(statement); + } + } + } + lexicalEnvironmentStackOffset--; + hoistedVariableDeclarations = lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset]; + hoistedFunctionDeclarations = lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset]; + return statements; } - function emitAccessorDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write(node.kind === 150 ? "get " : "set "); - emit(node.name); - emitSignatureAndBody(node, emitSignatureHead); + } + ts.transformFiles = transformFiles; + var _a; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDeclarationDiagnostics(host, resolver, targetSourceFile) { + var declarationDiagnostics = ts.createDiagnosticCollection(); + ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); + return declarationDiagnostics.getDiagnostics(targetSourceFile ? targetSourceFile.fileName : undefined); + function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { + var declarationFilePath = _a.declarationFilePath; + emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit, false); } - function emitCallSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); + } + ts.getDeclarationDiagnostics = getDeclarationDiagnostics; + function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles) { + var newLine = host.getNewLine(); + var compilerOptions = host.getCompilerOptions(); + var write; + var writeLine; + var increaseIndent; + var decreaseIndent; + var writeTextOfNode; + var writer; + createAndSetNewTextWriterWithSymbolWriter(); + var enclosingDeclaration; + var resultHasExternalModuleIndicator; + var currentText; + var currentLineMap; + var currentIdentifiers; + var isCurrentFileExternalModule; + var reportedDeclarationError = false; + var errorNameNode; + var emitJsDocComments = compilerOptions.removeComments ? ts.noop : writeJsDocComments; + var emit = compilerOptions.stripInternal ? stripInternal : emitNode; + var noDeclare; + var moduleElementDeclarationEmitInfo = []; + var asynchronousSubModuleDeclarationEmitInfo; + var referencesOutput = ""; + var usedTypeDirectiveReferences; + var emittedReferencedFiles = []; + var addedGlobalFileReference = false; + var allSourcesModuleElementDeclarationEmitInfo = []; + ts.forEach(sourceFiles, function (sourceFile) { + if (ts.isSourceFileJavaScript(sourceFile)) { + return; + } + if (!compilerOptions.noResolve) { + ts.forEach(sourceFile.referencedFiles, function (fileReference) { + var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); + if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { + if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference, emitOnlyDtsFiles)) { + addedGlobalFileReference = true; + } + emittedReferencedFiles.push(referencedFile); + } + }); + } + resultHasExternalModuleIndicator = false; + if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { + noDeclare = false; + emitSourceFile(sourceFile); + } + else if (ts.isExternalModule(sourceFile)) { + noDeclare = true; + write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); + writeLine(); + increaseIndent(); + emitSourceFile(sourceFile); + decreaseIndent(); + write("}"); + writeLine(); + } + if (moduleElementDeclarationEmitInfo.length) { + var oldWriter = writer; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { + ts.Debug.assert(aliasEmitInfo.node.kind === 231); + createAndSetNewTextWriterWithSymbolWriter(); + ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + increaseIndent(); + } + writeImportDeclaration(aliasEmitInfo.node); + aliasEmitInfo.asynchronousOutput = writer.getText(); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + decreaseIndent(); + } + } + }); + setWriter(oldWriter); + allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); + moduleElementDeclarationEmitInfo = []; + } + if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { + write("export {};"); + writeLine(); + } + }); + if (usedTypeDirectiveReferences) { + for (var directive in usedTypeDirectiveReferences) { + referencesOutput += "/// " + newLine; + } } - function emitConstructSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write("new "); - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); + return { + reportedDeclarationError: reportedDeclarationError, + moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, + synchronousDeclarationOutput: writer.getText(), + referencesOutput: referencesOutput, + }; + function hasInternalAnnotation(range) { + var comment = currentText.substring(range.pos, range.end); + return comment.indexOf("@internal") >= 0; } - function emitIndexSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emitParametersForIndexSignature(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); + function stripInternal(node) { + if (node) { + var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); + if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { + return; + } + emitNode(node); + } } - function emitSemicolonClassElement() { - write(";"); + function createAndSetNewTextWriterWithSymbolWriter() { + var writer = ts.createTextWriter(newLine); + writer.trackSymbol = trackSymbol; + writer.reportInaccessibleThisError = reportInaccessibleThisError; + writer.writeKeyword = writer.write; + writer.writeOperator = writer.write; + writer.writePunctuation = writer.write; + writer.writeSpace = writer.write; + writer.writeStringLiteral = writer.writeLiteral; + writer.writeParameter = writer.write; + writer.writeSymbol = writer.write; + setWriter(writer); } - function emitTypePredicate(node) { - emit(node.parameterName); - write(" is "); - emit(node.type); + function setWriter(newWriter) { + writer = newWriter; + write = newWriter.write; + writeTextOfNode = newWriter.writeTextOfNode; + writeLine = newWriter.writeLine; + increaseIndent = newWriter.increaseIndent; + decreaseIndent = newWriter.decreaseIndent; } - function emitTypeReference(node) { - emit(node.typeName); - emitTypeArguments(node, node.typeArguments); + function writeAsynchronousModuleElements(nodes) { + var oldWriter = writer; + ts.forEach(nodes, function (declaration) { + var nodeToCheck; + if (declaration.kind === 219) { + nodeToCheck = declaration.parent.parent; + } + else if (declaration.kind === 234 || declaration.kind === 235 || declaration.kind === 232) { + ts.Debug.fail("We should be getting ImportDeclaration instead to write"); + } + else { + nodeToCheck = declaration; + } + var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { + moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + } + if (moduleElementEmitInfo) { + if (moduleElementEmitInfo.node.kind === 231) { + moduleElementEmitInfo.isVisible = true; + } + else { + createAndSetNewTextWriterWithSymbolWriter(); + for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { + increaseIndent(); + } + if (nodeToCheck.kind === 226) { + ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); + asynchronousSubModuleDeclarationEmitInfo = []; + } + writeModuleElement(nodeToCheck); + if (nodeToCheck.kind === 226) { + moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; + asynchronousSubModuleDeclarationEmitInfo = undefined; + } + moduleElementEmitInfo.asynchronousOutput = writer.getText(); + } + } + }); + setWriter(oldWriter); } - function emitFunctionType(node) { - emitTypeParameters(node, node.typeParameters); - emitParametersForArrow(node, node.parameters); - write(" => "); - emit(node.type); + function recordTypeReferenceDirectivesIfNecessary(typeReferenceDirectives) { + if (!typeReferenceDirectives) { + return; + } + if (!usedTypeDirectiveReferences) { + usedTypeDirectiveReferences = ts.createMap(); + } + for (var _i = 0, typeReferenceDirectives_1 = typeReferenceDirectives; _i < typeReferenceDirectives_1.length; _i++) { + var directive = typeReferenceDirectives_1[_i]; + if (!(directive in usedTypeDirectiveReferences)) { + usedTypeDirectiveReferences[directive] = directive; + } + } } - function emitConstructorType(node) { - write("new "); - emitTypeParameters(node, node.typeParameters); - emitParametersForArrow(node, node.parameters); - write(" => "); - emit(node.type); + function handleSymbolAccessibilityError(symbolAccessibilityResult) { + if (symbolAccessibilityResult.accessibility === 0) { + if (symbolAccessibilityResult && symbolAccessibilityResult.aliasesToMakeVisible) { + writeAsynchronousModuleElements(symbolAccessibilityResult.aliasesToMakeVisible); + } + } + else { + reportedDeclarationError = true; + var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccessibilityResult); + if (errorInfo) { + if (errorInfo.typeName) { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); + } + else { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); + } + } + } } - function emitTypeQuery(node) { - write("typeof "); - emit(node.exprName); + function trackSymbol(symbol, enclosingDeclaration, meaning) { + handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning, true)); + recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForSymbol(symbol, meaning)); } - function emitTypeLiteral(node) { - write("{"); - emitList(node, node.members, 65); - write("}"); + function reportInaccessibleThisError() { + if (errorNameNode) { + reportedDeclarationError = true; + emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + } } - function emitArrayType(node) { - emit(node.elementType); - write("[]"); + function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (type) { + emitType(type); + } + else { + errorNameNode = declaration.name; + resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 | 1024, writer); + errorNameNode = undefined; + } } - function emitTupleType(node) { - write("["); - emitList(node, node.elementTypes, 336); - write("]"); + function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (signature.type) { + emitType(signature.type); + } + else { + errorNameNode = signature.name; + resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 | 1024, writer); + errorNameNode = undefined; + } } - function emitUnionType(node) { - emitList(node, node.types, 260); + function emitLines(nodes) { + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + emit(node); + } } - function emitIntersectionType(node) { - emitList(node, node.types, 264); + function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { + var currentWriterPos = writer.getTextPos(); + for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { + var node = nodes_3[_i]; + if (!canEmitFn || canEmitFn(node)) { + if (currentWriterPos !== writer.getTextPos()) { + write(separator); + } + currentWriterPos = writer.getTextPos(); + eachNodeEmitFn(node); + } + } } - function emitParenthesizedType(node) { - write("("); - emit(node.type); - write(")"); + function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { + emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); } - function emitThisType() { - write("this"); + function writeJsDocComments(declaration) { + if (declaration) { + var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); + ts.emitComments(currentText, currentLineMap, writer, jsDocComments, false, true, newLine, ts.writeCommentRange); + } } - function emitLiteralType(node) { - emitExpression(node.literal); + function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + emitType(type); } - function emitObjectBindingPattern(node) { - var elements = node.elements; - if (elements.length === 0) { - write("{}"); + function emitType(type) { + switch (type.kind) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 104: + case 136: + case 94: + case 128: + case 166: + case 167: + return writeTextOfNode(currentText, type); + case 195: + return emitExpressionWithTypeArguments(type); + case 156: + return emitTypeReference(type); + case 159: + return emitTypeQuery(type); + case 161: + return emitArrayType(type); + case 162: + return emitTupleType(type); + case 163: + return emitUnionType(type); + case 164: + return emitIntersectionType(type); + case 165: + return emitParenType(type); + case 157: + case 158: + return emitSignatureDeclarationWithJsDocComments(type); + case 160: + return emitTypeLiteral(type); + case 70: + return emitEntityName(type); + case 140: + return emitEntityName(type); + case 155: + return emitTypePredicate(type); } - else { - write("{"); - emitList(node, elements, 432); - write("}"); + function writeEntityName(entityName) { + if (entityName.kind === 70) { + writeTextOfNode(currentText, entityName); + } + else { + var left = entityName.kind === 140 ? entityName.left : entityName.expression; + var right = entityName.kind === 140 ? entityName.right : entityName.name; + writeEntityName(left); + write("."); + writeTextOfNode(currentText, right); + } } - } - function emitArrayBindingPattern(node) { - var elements = node.elements; - if (elements.length === 0) { + function emitEntityName(entityName) { + var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 230 ? entityName.parent : enclosingDeclaration); + handleSymbolAccessibilityError(visibilityResult); + recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForEntityName(entityName)); + writeEntityName(entityName); + } + function emitExpressionWithTypeArguments(node) { + if (ts.isEntityNameExpression(node.expression)) { + ts.Debug.assert(node.expression.kind === 70 || node.expression.kind === 173); + emitEntityName(node.expression); + if (node.typeArguments) { + write("<"); + emitCommaList(node.typeArguments, emitType); + write(">"); + } + } + } + function emitTypeReference(type) { + emitEntityName(type.typeName); + if (type.typeArguments) { + write("<"); + emitCommaList(type.typeArguments, emitType); + write(">"); + } + } + function emitTypePredicate(type) { + writeTextOfNode(currentText, type.parameterName); + write(" is "); + emitType(type.type); + } + function emitTypeQuery(type) { + write("typeof "); + emitEntityName(type.exprName); + } + function emitArrayType(type) { + emitType(type.elementType); write("[]"); } - else { + function emitTupleType(type) { write("["); - emitList(node, node.elements, 304); + emitCommaList(type.elementTypes, emitType); write("]"); } - } - function emitBindingElement(node) { - emitWithSuffix(node.propertyName, ": "); - writeIfPresent(node.dotDotDotToken, "..."); - emit(node.name); - emitExpressionWithPrefix(" = ", node.initializer); - } - function emitArrayLiteralExpression(node) { - var elements = node.elements; - if (elements.length === 0) { - write("[]"); + function emitUnionType(type) { + emitSeparatedList(type.types, " | ", emitType); } - else { - var preferNewLine = node.multiLine ? 32768 : 0; - emitExpressionList(node, elements, 4466 | preferNewLine); + function emitIntersectionType(type) { + emitSeparatedList(type.types, " & ", emitType); } - } - function emitObjectLiteralExpression(node) { - var properties = node.properties; - if (properties.length === 0) { - write("{}"); + function emitParenType(type) { + write("("); + emitType(type.type); + write(")"); } - else { - var indentedFlag = ts.getEmitFlags(node) & 524288; - if (indentedFlag) { + function emitTypeLiteral(type) { + write("{"); + if (type.members.length) { + writeLine(); increaseIndent(); - } - var preferNewLine = node.multiLine ? 32768 : 0; - var allowTrailingComma = languageVersion >= 1 ? 32 : 0; - emitList(node, properties, 978 | allowTrailingComma | preferNewLine); - if (indentedFlag) { + emitLines(type.members); decreaseIndent(); } + write("}"); } } - function emitPropertyAccessExpression(node) { - var indentBeforeDot = false; - var indentAfterDot = false; - if (!(ts.getEmitFlags(node) & 1048576)) { - var dotRangeStart = node.expression.end; - var dotRangeEnd = ts.skipTrivia(currentText, node.expression.end) + 1; - var dotToken = { kind: 22, pos: dotRangeStart, end: dotRangeEnd }; - indentBeforeDot = needsIndentation(node, node.expression, dotToken); - indentAfterDot = needsIndentation(node, dotToken, node.name); - } - emitExpression(node.expression); - increaseIndentIf(indentBeforeDot); - var shouldEmitDotDot = !indentBeforeDot && needsDotDotForPropertyAccess(node.expression); - write(shouldEmitDotDot ? ".." : "."); - increaseIndentIf(indentAfterDot); - emit(node.name); - decreaseIndentIf(indentBeforeDot, indentAfterDot); + function emitSourceFile(node) { + currentText = node.text; + currentLineMap = ts.getLineStarts(node); + currentIdentifiers = node.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(node); + enclosingDeclaration = node; + ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); + emitLines(node.statements); } - function needsDotDotForPropertyAccess(expression) { - if (expression.kind === 8) { - var text = getLiteralTextOfNode(expression); - return text.indexOf(ts.tokenToString(22)) < 0; + function getExportDefaultTempVariableName() { + var baseName = "_default"; + if (!(baseName in currentIdentifiers)) { + return baseName; } - else if (ts.isPropertyAccessExpression(expression) || ts.isElementAccessExpression(expression)) { - var constantValue = ts.getConstantValue(expression); - return isFinite(constantValue) - && Math.floor(constantValue) === constantValue - && compilerOptions.removeComments; + var count = 0; + while (true) { + count++; + var name_43 = baseName + "_" + count; + if (!(name_43 in currentIdentifiers)) { + return name_43; + } } } - function emitElementAccessExpression(node) { - emitExpression(node.expression); - write("["); - emitExpression(node.argumentExpression); - write("]"); - } - function emitCallExpression(node) { - emitExpression(node.expression); - emitTypeArguments(node, node.typeArguments); - emitExpressionList(node, node.arguments, 1296); - } - function emitNewExpression(node) { - write("new "); - emitExpression(node.expression); - emitTypeArguments(node, node.typeArguments); - emitExpressionList(node, node.arguments, 9488); - } - function emitTaggedTemplateExpression(node) { - emitExpression(node.tag); - write(" "); - emitExpression(node.template); - } - function emitTypeAssertionExpression(node) { - if (node.type) { - write("<"); - emit(node.type); - write(">"); + function emitExportAssignment(node) { + if (node.expression.kind === 70) { + write(node.isExportEquals ? "export = " : "export default "); + writeTextOfNode(currentText, node.expression); } - emitExpression(node.expression); - } - function emitParenthesizedExpression(node) { - write("("); - emitExpression(node.expression); - write(")"); - } - function emitFunctionExpression(node) { - emitFunctionDeclarationOrExpression(node); - } - function emitArrowFunction(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emitSignatureAndBody(node, emitArrowFunctionHead); - } - function emitArrowFunctionHead(node) { - emitTypeParameters(node, node.typeParameters); - emitParametersForArrow(node, node.parameters); - emitWithPrefix(": ", node.type); - write(" =>"); - } - function emitDeleteExpression(node) { - write("delete "); - emitExpression(node.expression); - } - function emitTypeOfExpression(node) { - write("typeof "); - emitExpression(node.expression); - } - function emitVoidExpression(node) { - write("void "); - emitExpression(node.expression); - } - function emitAwaitExpression(node) { - write("await "); - emitExpression(node.expression); - } - function emitPrefixUnaryExpression(node) { - writeTokenText(node.operator); - if (shouldEmitWhitespaceBeforeOperand(node)) { - write(" "); + else { + var tempVarName = getExportDefaultTempVariableName(); + if (!noDeclare) { + write("declare "); + } + write("var "); + write(tempVarName); + write(": "); + writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; + resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 | 1024, writer); + write(";"); + writeLine(); + write(node.isExportEquals ? "export = " : "export default "); + write(tempVarName); } - emitExpression(node.operand); - } - function shouldEmitWhitespaceBeforeOperand(node) { - var operand = node.operand; - return operand.kind === 186 - && ((node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) - || (node.operator === 37 && (operand.operator === 37 || operand.operator === 43))); - } - function emitPostfixUnaryExpression(node) { - emitExpression(node.operand); - writeTokenText(node.operator); - } - function emitBinaryExpression(node) { - var isCommaOperator = node.operatorToken.kind !== 25; - var indentBeforeOperator = needsIndentation(node, node.left, node.operatorToken); - var indentAfterOperator = needsIndentation(node, node.operatorToken, node.right); - emitExpression(node.left); - increaseIndentIf(indentBeforeOperator, isCommaOperator ? " " : undefined); - writeTokenText(node.operatorToken.kind); - increaseIndentIf(indentAfterOperator, " "); - emitExpression(node.right); - decreaseIndentIf(indentBeforeOperator, indentAfterOperator); - } - function emitConditionalExpression(node) { - var indentBeforeQuestion = needsIndentation(node, node.condition, node.questionToken); - var indentAfterQuestion = needsIndentation(node, node.questionToken, node.whenTrue); - var indentBeforeColon = needsIndentation(node, node.whenTrue, node.colonToken); - var indentAfterColon = needsIndentation(node, node.colonToken, node.whenFalse); - emitExpression(node.condition); - increaseIndentIf(indentBeforeQuestion, " "); - write("?"); - increaseIndentIf(indentAfterQuestion, " "); - emitExpression(node.whenTrue); - decreaseIndentIf(indentBeforeQuestion, indentAfterQuestion); - increaseIndentIf(indentBeforeColon, " "); - write(":"); - increaseIndentIf(indentAfterColon, " "); - emitExpression(node.whenFalse); - decreaseIndentIf(indentBeforeColon, indentAfterColon); - } - function emitTemplateExpression(node) { - emit(node.head); - emitList(node, node.templateSpans, 131072); - } - function emitYieldExpression(node) { - write(node.asteriskToken ? "yield*" : "yield"); - emitExpressionWithPrefix(" ", node.expression); - } - function emitSpreadElementExpression(node) { - write("..."); - emitExpression(node.expression); - } - function emitClassExpression(node) { - emitClassDeclarationOrExpression(node); - } - function emitExpressionWithTypeArguments(node) { - emitExpression(node.expression); - emitTypeArguments(node, node.typeArguments); - } - function emitAsExpression(node) { - emitExpression(node.expression); - if (node.type) { - write(" as "); - emit(node.type); + write(";"); + writeLine(); + if (node.expression.kind === 70) { + var nodes = resolver.collectLinkedAliases(node.expression); + writeAsynchronousModuleElements(nodes); + } + function getDefaultExportAccessibilityDiagnostic() { + return { + diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, + errorNode: node + }; } } - function emitNonNullExpression(node) { - emitExpression(node.expression); - write("!"); - } - function emitTemplateSpan(node) { - emitExpression(node.expression); - emit(node.literal); + function isModuleElementVisible(node) { + return resolver.isDeclarationVisible(node); } - function emitBlock(node) { - if (isSingleLineEmptyBlock(node)) { - writeToken(16, node.pos, node); - write(" "); - writeToken(17, node.statements.end, node); + function emitModuleElement(node, isModuleElementVisible) { + if (isModuleElementVisible) { + writeModuleElement(node); } - else { - writeToken(16, node.pos, node); - emitBlockStatements(node); - writeToken(17, node.statements.end, node); + else if (node.kind === 230 || + (node.parent.kind === 256 && isCurrentFileExternalModule)) { + var isVisible = void 0; + if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 256) { + asynchronousSubModuleDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + else { + if (node.kind === 231) { + var importDeclaration = node; + if (importDeclaration.importClause) { + isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || + isVisibleNamedBinding(importDeclaration.importClause.namedBindings); + } + } + moduleElementDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } } } - function emitBlockStatements(node) { - if (ts.getEmitFlags(node) & 32) { - emitList(node, node.statements, 384); - } - else { - emitList(node, node.statements, 65); + function writeModuleElement(node) { + switch (node.kind) { + case 221: + return writeFunctionDeclaration(node); + case 201: + return writeVariableStatement(node); + case 223: + return writeInterfaceDeclaration(node); + case 222: + return writeClassDeclaration(node); + case 224: + return writeTypeAliasDeclaration(node); + case 225: + return writeEnumDeclaration(node); + case 226: + return writeModuleDeclaration(node); + case 230: + return writeImportEqualsDeclaration(node); + case 231: + return writeImportDeclaration(node); + default: + ts.Debug.fail("Unknown symbol kind"); } } - function emitVariableStatement(node) { - emitModifiers(node, node.modifiers); - emit(node.declarationList); - write(";"); - } - function emitEmptyStatement() { - write(";"); - } - function emitExpressionStatement(node) { - emitExpression(node.expression); - write(";"); - } - function emitIfStatement(node) { - var openParenPos = writeToken(89, node.pos, node); - write(" "); - writeToken(18, openParenPos, node); - emitExpression(node.expression); - writeToken(19, node.expression.end, node); - emitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - writeLine(); - writeToken(81, node.thenStatement.end, node); - if (node.elseStatement.kind === 204) { - write(" "); - emit(node.elseStatement); + function emitModuleElementDeclarationFlags(node) { + if (node.parent.kind === 256) { + var modifiers = ts.getModifierFlags(node); + if (modifiers & 1) { + write("export "); } - else { - emitEmbeddedStatement(node.elseStatement); + if (modifiers & 512) { + write("default "); + } + else if (node.kind !== 223 && !noDeclare) { + write("declare "); } } } - function emitDoStatement(node) { - write("do"); - emitEmbeddedStatement(node.statement); - if (ts.isBlock(node.statement)) { - write(" "); + function emitClassMemberDeclarationFlags(flags) { + if (flags & 8) { + write("private "); + } + else if (flags & 16) { + write("protected "); + } + if (flags & 32) { + write("static "); + } + if (flags & 64) { + write("readonly "); + } + if (flags & 128) { + write("abstract "); + } + } + function writeImportEqualsDeclaration(node) { + emitJsDocComments(node); + if (ts.hasModifier(node, 1)) { + write("export "); + } + write("import "); + writeTextOfNode(currentText, node.name); + write(" = "); + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); + write(";"); } else { - writeLine(); + write("require("); + emitExternalModuleSpecifier(node); + write(");"); + } + writer.writeLine(); + function getImportEntityNameVisibilityError() { + return { + diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, + errorNode: node, + typeName: node.name + }; } - write("while ("); - emitExpression(node.expression); - write(");"); - } - function emitWhileStatement(node) { - write("while ("); - emitExpression(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitForStatement(node) { - var openParenPos = writeToken(87, node.pos); - write(" "); - writeToken(18, openParenPos, node); - emitForBinding(node.initializer); - write(";"); - emitExpressionWithPrefix(" ", node.condition); - write(";"); - emitExpressionWithPrefix(" ", node.incrementor); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitForInStatement(node) { - var openParenPos = writeToken(87, node.pos); - write(" "); - writeToken(18, openParenPos); - emitForBinding(node.initializer); - write(" in "); - emitExpression(node.expression); - writeToken(19, node.expression.end); - emitEmbeddedStatement(node.statement); - } - function emitForOfStatement(node) { - var openParenPos = writeToken(87, node.pos); - write(" "); - writeToken(18, openParenPos); - emitForBinding(node.initializer); - write(" of "); - emitExpression(node.expression); - writeToken(19, node.expression.end); - emitEmbeddedStatement(node.statement); } - function emitForBinding(node) { - if (node !== undefined) { - if (node.kind === 220) { - emit(node); + function isVisibleNamedBinding(namedBindings) { + if (namedBindings) { + if (namedBindings.kind === 233) { + return resolver.isDeclarationVisible(namedBindings); } else { - emitExpression(node); + return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); } } } - function emitContinueStatement(node) { - writeToken(76, node.pos); - emitWithPrefix(" ", node.label); - write(";"); - } - function emitBreakStatement(node) { - writeToken(71, node.pos); - emitWithPrefix(" ", node.label); - write(";"); - } - function emitReturnStatement(node) { - writeToken(95, node.pos, node); - emitExpressionWithPrefix(" ", node.expression); - write(";"); - } - function emitWithStatement(node) { - write("with ("); - emitExpression(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitSwitchStatement(node) { - var openParenPos = writeToken(97, node.pos); - write(" "); - writeToken(18, openParenPos); - emitExpression(node.expression); - writeToken(19, node.expression.end); - write(" "); - emit(node.caseBlock); - } - function emitLabeledStatement(node) { - emit(node.label); - write(": "); - emit(node.statement); - } - function emitThrowStatement(node) { - write("throw"); - emitExpressionWithPrefix(" ", node.expression); - write(";"); - } - function emitTryStatement(node) { - write("try "); - emit(node.tryBlock); - emit(node.catchClause); - if (node.finallyBlock) { - writeLine(); - write("finally "); - emit(node.finallyBlock); + function writeImportDeclaration(node) { + emitJsDocComments(node); + if (ts.hasModifier(node, 1)) { + write("export "); } - } - function emitDebuggerStatement(node) { - writeToken(77, node.pos); - write(";"); - } - function emitVariableDeclaration(node) { - emit(node.name); - emitWithPrefix(": ", node.type); - emitExpressionWithPrefix(" = ", node.initializer); - } - function emitVariableDeclarationList(node) { - write(ts.isLet(node) ? "let " : ts.isConst(node) ? "const " : "var "); - emitList(node, node.declarations, 272); - } - function emitFunctionDeclaration(node) { - emitFunctionDeclarationOrExpression(node); - } - function emitFunctionDeclarationOrExpression(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write(node.asteriskToken ? "function* " : "function "); - emitIdentifierName(node.name); - emitSignatureAndBody(node, emitSignatureHead); - } - function emitSignatureAndBody(node, emitSignatureHead) { - var body = node.body; - if (body) { - if (ts.isBlock(body)) { - var indentedFlag = ts.getEmitFlags(node) & 524288; - if (indentedFlag) { - increaseIndent(); + write("import "); + if (node.importClause) { + var currentWriterPos = writer.getTextPos(); + if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { + writeTextOfNode(currentText, node.importClause.name); + } + if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { + if (currentWriterPos !== writer.getTextPos()) { + write(", "); } - if (ts.getEmitFlags(node) & 4194304) { - emitSignatureHead(node); - emitBlockFunctionBody(body); + if (node.importClause.namedBindings.kind === 233) { + write("* as "); + writeTextOfNode(currentText, node.importClause.namedBindings.name); } else { - var savedTempFlags = tempFlags; - tempFlags = 0; - emitSignatureHead(node); - emitBlockFunctionBody(body); - tempFlags = savedTempFlags; - } - if (indentedFlag) { - decreaseIndent(); + write("{ "); + emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); + write(" }"); } } - else { - emitSignatureHead(node); - write(" "); - emitExpression(body); - } - } - else { - emitSignatureHead(node); - write(";"); + write(" from "); } + emitExternalModuleSpecifier(node); + write(";"); + writer.writeLine(); } - function emitSignatureHead(node) { - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - } - function shouldEmitBlockFunctionBodyOnSingleLine(body) { - if (ts.getEmitFlags(body) & 32) { - return true; - } - if (body.multiLine) { - return false; + function emitExternalModuleSpecifier(parent) { + resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 226; + var moduleSpecifier; + if (parent.kind === 230) { + var node = parent; + moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); } - if (!ts.nodeIsSynthesized(body) && !ts.rangeIsOnSingleLine(body, currentSourceFile)) { - return false; + else if (parent.kind === 226) { + moduleSpecifier = parent.name; } - if (shouldWriteLeadingLineTerminator(body, body.statements, 2) - || shouldWriteClosingLineTerminator(body, body.statements, 2)) { - return false; + else { + var node = parent; + moduleSpecifier = node.moduleSpecifier; } - var previousStatement; - for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { - var statement = _b[_a]; - if (shouldWriteSeparatingLineTerminator(previousStatement, statement, 2)) { - return false; + if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { + var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); + if (moduleName) { + write('"'); + write(moduleName); + write('"'); + return; } - previousStatement = statement; } - return true; + writeTextOfNode(currentText, moduleSpecifier); } - function emitBlockFunctionBody(body) { - write(" {"); - increaseIndent(); - emitBodyWithDetachedComments(body, body.statements, shouldEmitBlockFunctionBodyOnSingleLine(body) - ? emitBlockFunctionBodyOnSingleLine - : emitBlockFunctionBodyWorker); - decreaseIndent(); - writeToken(17, body.statements.end, body); + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + writeTextOfNode(currentText, node.propertyName); + write(" as "); + } + writeTextOfNode(currentText, node.name); } - function emitBlockFunctionBodyOnSingleLine(body) { - emitBlockFunctionBodyWorker(body, true); + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); + writeAsynchronousModuleElements(nodes); } - function emitBlockFunctionBodyWorker(body, emitBlockFunctionBodyOnSingleLine) { - var statementOffset = emitPrologueDirectives(body.statements, true); - var helpersEmitted = emitHelpers(body); - if (statementOffset === 0 && !helpersEmitted && emitBlockFunctionBodyOnSingleLine) { - decreaseIndent(); - emitList(body, body.statements, 384); - increaseIndent(); + function emitExportDeclaration(node) { + emitJsDocComments(node); + write("export "); + if (node.exportClause) { + write("{ "); + emitCommaList(node.exportClause.elements, emitExportSpecifier); + write(" }"); } else { - emitList(body, body.statements, 1, statementOffset); + write("*"); } + if (node.moduleSpecifier) { + write(" from "); + emitExternalModuleSpecifier(node); + } + write(";"); + writer.writeLine(); } - function emitClassDeclaration(node) { - emitClassDeclarationOrExpression(node); - } - function emitClassDeclarationOrExpression(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write("class"); - emitNodeWithPrefix(" ", node.name, emitIdentifierName); - var indentedFlag = ts.getEmitFlags(node) & 524288; - if (indentedFlag) { - increaseIndent(); + function writeModuleDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isGlobalScopeAugmentation(node)) { + write("global "); } - emitTypeParameters(node, node.typeParameters); - emitList(node, node.heritageClauses, 256); - var savedTempFlags = tempFlags; - tempFlags = 0; - write(" {"); - emitList(node, node.members, 65); - write("}"); - if (indentedFlag) { + else { + if (node.flags & 16) { + write("namespace "); + } + else { + write("module "); + } + if (ts.isExternalModuleAugmentation(node)) { + emitExternalModuleSpecifier(node); + } + else { + writeTextOfNode(currentText, node.name); + } + } + while (node.body && node.body.kind !== 227) { + node = node.body; + write("."); + writeTextOfNode(currentText, node.name); + } + var prevEnclosingDeclaration = enclosingDeclaration; + if (node.body) { + enclosingDeclaration = node; + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.body.statements); decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + else { + write(";"); } - tempFlags = savedTempFlags; - } - function emitInterfaceDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write("interface "); - emit(node.name); - emitTypeParameters(node, node.typeParameters); - emitList(node, node.heritageClauses, 256); - write(" {"); - emitList(node, node.members, 65); - write("}"); } - function emitTypeAliasDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); + function writeTypeAliasDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); write("type "); - emit(node.name); - emitTypeParameters(node, node.typeParameters); + writeTextOfNode(currentText, node.name); + emitTypeParameters(node.typeParameters); write(" = "); - emit(node.type); + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); write(";"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + function getTypeAliasDeclarationVisibilityError() { + return { + diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, + errorNode: node.type, + typeName: node.name + }; + } } - function emitEnumDeclaration(node) { - emitModifiers(node, node.modifiers); + function writeEnumDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isConst(node)) { + write("const "); + } write("enum "); - emit(node.name); - var savedTempFlags = tempFlags; - tempFlags = 0; + writeTextOfNode(currentText, node.name); write(" {"); - emitList(node, node.members, 81); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); write("}"); - tempFlags = savedTempFlags; - } - function emitModuleDeclaration(node) { - emitModifiers(node, node.modifiers); - write(node.flags & 16 ? "namespace " : "module "); - emit(node.name); - var body = node.body; - while (body.kind === 226) { - write("."); - emit(body.name); - body = body.body; - } - write(" "); - emit(body); + writeLine(); } - function emitModuleBlock(node) { - if (isEmptyBlock(node)) { - write("{ }"); - } - else { - var savedTempFlags = tempFlags; - tempFlags = 0; - write("{"); - increaseIndent(); - emitBlockStatements(node); - write("}"); - tempFlags = savedTempFlags; + function emitEnumMemberDeclaration(node) { + emitJsDocComments(node); + writeTextOfNode(currentText, node.name); + var enumMemberValue = resolver.getConstantValue(node); + if (enumMemberValue !== undefined) { + write(" = "); + write(enumMemberValue.toString()); } + write(","); + writeLine(); } - function emitCaseBlock(node) { - writeToken(16, node.pos); - emitList(node, node.clauses, 65); - writeToken(17, node.clauses.end); - } - function emitImportEqualsDeclaration(node) { - emitModifiers(node, node.modifiers); - write("import "); - emit(node.name); - write(" = "); - emitModuleReference(node.moduleReference); - write(";"); + function isPrivateMethodTypeParameter(node) { + return node.parent.kind === 148 && ts.hasModifier(node.parent, 8); } - function emitModuleReference(node) { - if (node.kind === 70) { - emitExpression(node); - } - else { - emit(node); + function emitTypeParameters(typeParameters) { + function emitTypeParameter(node) { + increaseIndent(); + emitJsDocComments(node); + decreaseIndent(); + writeTextOfNode(currentText, node.name); + if (node.constraint && !isPrivateMethodTypeParameter(node)) { + write(" extends "); + if (node.parent.kind === 157 || + node.parent.kind === 158 || + (node.parent.parent && node.parent.parent.kind === 160)) { + ts.Debug.assert(node.parent.kind === 148 || + node.parent.kind === 147 || + node.parent.kind === 157 || + node.parent.kind === 158 || + node.parent.kind === 152 || + node.parent.kind === 153); + emitType(node.constraint); + } + else { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); + } + } + function getTypeParameterConstraintVisibilityError() { + var diagnosticMessage; + switch (node.parent.kind) { + case 222: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; + break; + case 223: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; + break; + case 153: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 152: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 148: + case 147: + if (ts.hasModifier(node.parent, 32)) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 222) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + break; + case 221: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; + break; + default: + ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + }; + } } - } - function emitImportDeclaration(node) { - emitModifiers(node, node.modifiers); - write("import "); - if (node.importClause) { - emit(node.importClause); - write(" from "); + if (typeParameters) { + write("<"); + emitCommaList(typeParameters, emitTypeParameter); + write(">"); } - emitExpression(node.moduleSpecifier); - write(";"); } - function emitImportClause(node) { - emit(node.name); - if (node.name && node.namedBindings) { - write(", "); + function emitHeritageClause(typeReferences, isImplementsList) { + if (typeReferences) { + write(isImplementsList ? " implements " : " extends "); + emitCommaList(typeReferences, emitTypeOfTypeReference); + } + function emitTypeOfTypeReference(node) { + if (ts.isEntityNameExpression(node.expression)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); + } + else if (!isImplementsList && node.expression.kind === 94) { + write("null"); + } + else { + writer.getSymbolAccessibilityDiagnostic = getHeritageClauseVisibilityError; + resolver.writeBaseConstructorTypeOfClass(enclosingDeclaration, enclosingDeclaration, 2 | 1024, writer); + } + function getHeritageClauseVisibilityError() { + var diagnosticMessage; + if (node.parent.parent.kind === 222) { + diagnosticMessage = isImplementsList ? + ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : + ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.parent.parent.name + }; + } } - emit(node.namedBindings); - } - function emitNamespaceImport(node) { - write("* as "); - emit(node.name); - } - function emitNamedImports(node) { - emitNamedImportsOrExports(node); - } - function emitImportSpecifier(node) { - emitImportOrExportSpecifier(node); - } - function emitExportAssignment(node) { - write(node.isExportEquals ? "export = " : "export default "); - emitExpression(node.expression); - write(";"); } - function emitExportDeclaration(node) { - write("export "); - if (node.exportClause) { - emit(node.exportClause); + function writeClassDeclaration(node) { + function emitParameterProperties(constructorDeclaration) { + if (constructorDeclaration) { + ts.forEach(constructorDeclaration.parameters, function (param) { + if (ts.hasModifier(param, 92)) { + emitPropertyDeclaration(param); + } + }); + } } - else { - write("*"); + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.hasModifier(node, 128)) { + write("abstract "); } - if (node.moduleSpecifier) { - write(" from "); - emitExpression(node.moduleSpecifier); + write("class "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + emitHeritageClause([baseTypeNode], false); } - write(";"); - } - function emitNamedExports(node) { - emitNamedImportsOrExports(node); - } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - } - function emitNamedImportsOrExports(node) { - write("{"); - emitList(node, node.elements, 432); + emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); + write(" {"); + writeLine(); + increaseIndent(); + emitParameterProperties(ts.getFirstConstructorWithBody(node)); + emitLines(node.members); + decreaseIndent(); write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - emit(node.propertyName); - write(" as "); - } - emit(node.name); - } - function emitExternalModuleReference(node) { - write("require("); - emitExpression(node.expression); - write(")"); - } - function emitJsxElement(node) { - emit(node.openingElement); - emitList(node, node.children, 131072); - emit(node.closingElement); - } - function emitJsxSelfClosingElement(node) { - write("<"); - emitJsxTagName(node.tagName); - write(" "); - emitList(node, node.attributes, 131328); - write("/>"); - } - function emitJsxOpeningElement(node) { - write("<"); - emitJsxTagName(node.tagName); - writeIfAny(node.attributes, " "); - emitList(node, node.attributes, 131328); - write(">"); - } - function emitJsxText(node) { - writer.writeLiteral(getTextOfNode(node, true)); - } - function emitJsxClosingElement(node) { - write(""); - } - function emitJsxAttribute(node) { - emit(node.name); - emitWithPrefix("=", node.initializer); - } - function emitJsxSpreadAttribute(node) { - write("{..."); - emitExpression(node.expression); + function writeInterfaceDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("interface "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; } - function emitJsxExpression(node) { - if (node.expression) { - write("{"); - emitExpression(node.expression); - write("}"); + function emitPropertyDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; } + emitJsDocComments(node); + emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + emitVariableDeclaration(node); + write(";"); + writeLine(); } - function emitJsxTagName(node) { - if (node.kind === 70) { - emitExpression(node); + function emitVariableDeclaration(node) { + if (node.kind !== 219 || resolver.isDeclarationVisible(node)) { + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + if ((node.kind === 146 || node.kind === 145 || + (node.kind === 143 && !ts.isParameterPropertyDeclaration(node))) && ts.hasQuestionToken(node)) { + write("?"); + } + if ((node.kind === 146 || node.kind === 145) && node.parent.kind === 160) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (resolver.isLiteralConstDeclaration(node)) { + write(" = "); + resolver.writeLiteralConstValue(node, writer); + } + else if (!ts.hasModifier(node, 8)) { + writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); + } + } } - else { - emit(node); + function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { + if (node.kind === 219) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; + } + else if (node.kind === 146 || node.kind === 145) { + if (ts.hasModifier(node, 32)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 222) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + function getVariableDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function emitBindingPattern(bindingPattern) { + var elements = []; + for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 194) { + elements.push(element); + } + } + emitCommaList(elements, emitBindingElement); + } + function emitBindingElement(bindingElement) { + function getBindingElementTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: bindingElement, + typeName: bindingElement.name + } : undefined; + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + writeTextOfNode(currentText, bindingElement.name); + writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); + } + } } } - function emitCaseClause(node) { - write("case "); - emitExpression(node.expression); - write(":"); - emitCaseOrDefaultClauseStatements(node, node.statements); + function emitTypeOfVariableDeclarationFromTypeLiteral(node) { + if (node.type) { + write(": "); + emitType(node.type); + } } - function emitDefaultClause(node) { - write("default:"); - emitCaseOrDefaultClauseStatements(node, node.statements); + function isVariableStatementVisible(node) { + return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); } - function emitCaseOrDefaultClauseStatements(parentNode, statements) { - var emitAsSingleStatement = statements.length === 1 && - (ts.nodeIsSynthesized(parentNode) || - ts.nodeIsSynthesized(statements[0]) || - ts.rangeStartPositionsAreOnSameLine(parentNode, statements[0], currentSourceFile)); - if (emitAsSingleStatement) { - write(" "); - emit(statements[0]); + function writeVariableStatement(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isLet(node.declarationList)) { + write("let "); + } + else if (ts.isConst(node.declarationList)) { + write("const "); } else { - emitList(parentNode, statements, 81985); + write("var "); } - } - function emitHeritageClause(node) { - write(" "); - writeTokenText(node.token); - write(" "); - emitList(node, node.types, 272); - } - function emitCatchClause(node) { + emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); + write(";"); writeLine(); - var openParenPos = writeToken(73, node.pos); - write(" "); - writeToken(18, openParenPos); - emit(node.variableDeclaration); - writeToken(19, node.variableDeclaration ? node.variableDeclaration.end : openParenPos); - write(" "); - emit(node.block); } - function emitPropertyAssignment(node) { - emit(node.name); - write(": "); - var initializer = node.initializer; - if ((ts.getEmitFlags(initializer) & 16384) === 0) { - var commentRange = ts.getCommentRange(initializer); - emitTrailingCommentsOfPosition(commentRange.pos); + function emitAccessorDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; } - emitExpression(initializer); - } - function emitShorthandPropertyAssignment(node) { - emit(node.name); - if (node.objectAssignmentInitializer) { - write(" = "); - emitExpression(node.objectAssignmentInitializer); + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + var accessorWithTypeAnnotation; + if (node === accessors.firstAccessor) { + emitJsDocComments(accessors.getAccessor); + emitJsDocComments(accessors.setAccessor); + emitClassMemberDeclarationFlags(ts.getModifierFlags(node) | (accessors.setAccessor ? 0 : 64)); + writeTextOfNode(currentText, node.name); + if (!ts.hasModifier(node, 8)) { + accessorWithTypeAnnotation = node; + var type = getTypeAnnotationFromAccessor(node); + if (!type) { + var anotherAccessor = node.kind === 150 ? accessors.setAccessor : accessors.getAccessor; + type = getTypeAnnotationFromAccessor(anotherAccessor); + if (type) { + accessorWithTypeAnnotation = anotherAccessor; + } + } + writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + } + write(";"); + writeLine(); } - } - function emitEnumMember(node) { - emit(node.name); - emitExpressionWithPrefix(" = ", node.initializer); - } - function emitSourceFile(node) { - writeLine(); - emitShebang(); - emitBodyWithDetachedComments(node, node.statements, emitSourceFileWorker); - } - function emitSourceFileWorker(node) { - var statements = node.statements; - var statementOffset = emitPrologueDirectives(statements); - var savedTempFlags = tempFlags; - tempFlags = 0; - emitHelpers(node); - emitList(node, statements, 1, statementOffset); - tempFlags = savedTempFlags; - } - function emitPartiallyEmittedExpression(node) { - emitExpression(node.expression); - } - function emitPrologueDirectives(statements, startWithNewLine) { - for (var i = 0; i < statements.length; i++) { - if (ts.isPrologueDirective(statements[i])) { - if (startWithNewLine || i > 0) { - writeLine(); + function getTypeAnnotationFromAccessor(accessor) { + if (accessor) { + return accessor.kind === 150 + ? accessor.type + : accessor.parameters.length > 0 + ? accessor.parameters[0].type + : undefined; + } + } + function getAccessorDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage; + if (accessorWithTypeAnnotation.kind === 151) { + if (ts.hasModifier(accessorWithTypeAnnotation.parent, 32)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; } - emit(statements[i]); + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.parameters[0], + typeName: accessorWithTypeAnnotation.name + }; } else { - return i; + if (ts.hasModifier(accessorWithTypeAnnotation, 32)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.name, + typeName: undefined + }; } } - return statements.length; - } - function emitHelpers(node) { - var emitFlags = ts.getEmitFlags(node); - var helpersEmitted = false; - if (emitFlags & 1) { - helpersEmitted = emitEmitHelpers(currentSourceFile); - } - if (emitFlags & 2) { - writeLines(exportStarHelper); - helpersEmitted = true; - } - if (emitFlags & 4) { - writeLines(superHelper); - helpersEmitted = true; - } - if (emitFlags & 8) { - writeLines(advancedSuperHelper); - helpersEmitted = true; - } - return helpersEmitted; } - function emitEmitHelpers(node) { - if (compilerOptions.noEmitHelpers) { - return false; - } - if (compilerOptions.importHelpers - && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { - return false; - } - var helpersEmitted = false; - if ((languageVersion < 2) && (!extendsEmitted && node.flags & 1024)) { - writeLines(extendsHelper); - extendsEmitted = true; - helpersEmitted = true; - } - if (compilerOptions.jsx !== 1 && !assignEmitted && (node.flags & 16384)) { - writeLines(assignHelper); - assignEmitted = true; + function writeFunctionDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; } - if (!decorateEmitted && node.flags & 2048) { - writeLines(decorateHelper); - if (compilerOptions.emitDecoratorMetadata) { - writeLines(metadataHelper); + if (!resolver.isImplementationOfOverload(node)) { + emitJsDocComments(node); + if (node.kind === 221) { + emitModuleElementDeclarationFlags(node); } - decorateEmitted = true; - helpersEmitted = true; - } - if (!paramEmitted && node.flags & 4096) { - writeLines(paramHelper); - paramEmitted = true; - helpersEmitted = true; - } - if ((languageVersion < 4) && (!awaiterEmitted && node.flags & 8192)) { - writeLines(awaiterHelper); - if (languageVersion < 2) { - writeLines(generatorHelper); + else if (node.kind === 148 || node.kind === 149) { + emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + } + if (node.kind === 221) { + write("function "); + writeTextOfNode(currentText, node.name); + } + else if (node.kind === 149) { + write("constructor"); + } + else { + writeTextOfNode(currentText, node.name); + if (ts.hasQuestionToken(node)) { + write("?"); + } } - awaiterEmitted = true; - helpersEmitted = true; - } - if (helpersEmitted) { - writeLine(); + emitSignatureDeclaration(node); } - return helpersEmitted; } - function writeLines(text) { - var lines = text.split(/\r\n|\r|\n/g); - for (var i = 0; i < lines.length; i++) { - var line = lines[i]; - if (line.length) { - if (i > 0) { - writeLine(); + function emitSignatureDeclarationWithJsDocComments(node) { + emitJsDocComments(node); + emitSignatureDeclaration(node); + } + function emitSignatureDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + var closeParenthesizedFunctionType = false; + if (node.kind === 154) { + emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + write("["); + } + else { + if (node.kind === 153 || node.kind === 158) { + write("new "); + } + else if (node.kind === 157) { + var currentOutput = writer.getText(); + if (node.typeParameters && currentOutput.charAt(currentOutput.length - 1) === "<") { + closeParenthesizedFunctionType = true; + write("("); } - write(line); } + emitTypeParameters(node.typeParameters); + write("("); } - } - function emitShebang() { - var shebang = ts.getShebang(currentText); - if (shebang) { - write(shebang); + emitCommaList(node.parameters, emitParameterDeclaration); + if (node.kind === 154) { + write("]"); + } + else { + write(")"); + } + var isFunctionTypeOrConstructorType = node.kind === 157 || node.kind === 158; + if (isFunctionTypeOrConstructorType || node.parent.kind === 160) { + if (node.type) { + write(isFunctionTypeOrConstructorType ? " => " : ": "); + emitType(node.type); + } + } + else if (node.kind !== 149 && !ts.hasModifier(node, 8)) { + writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + } + enclosingDeclaration = prevEnclosingDeclaration; + if (!isFunctionTypeOrConstructorType) { + write(";"); writeLine(); } - } - function emitModifiers(node, modifiers) { - if (modifiers && modifiers.length) { - emitList(node, modifiers, 256); - write(" "); + else if (closeParenthesizedFunctionType) { + write(")"); } - } - function emitWithPrefix(prefix, node) { - emitNodeWithPrefix(prefix, node, emit); - } - function emitExpressionWithPrefix(prefix, node) { - emitNodeWithPrefix(prefix, node, emitExpression); - } - function emitNodeWithPrefix(prefix, node, emit) { - if (node) { - write(prefix); - emit(node); + function getReturnTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage; + switch (node.kind) { + case 153: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 152: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 154: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 148: + case 147: + if (ts.hasModifier(node, 32)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; + } + else if (node.parent.kind === 222) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; + } + break; + case 221: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; + break; + default: + ts.Debug.fail("This is unknown kind for signature: " + node.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name || node + }; } } - function emitWithSuffix(node, suffix) { - if (node) { - emit(node); - write(suffix); + function emitParameterDeclaration(node) { + increaseIndent(); + emitJsDocComments(node); + if (node.dotDotDotToken) { + write("..."); } - } - function emitEmbeddedStatement(node) { - if (ts.isBlock(node)) { - write(" "); - emit(node); + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); } else { - writeLine(); - increaseIndent(); - emit(node); - decreaseIndent(); + writeTextOfNode(currentText, node.name); } - } - function emitDecorators(parentNode, decorators) { - emitList(parentNode, decorators, 24577); - } - function emitTypeArguments(parentNode, typeArguments) { - emitList(parentNode, typeArguments, 26960); - } - function emitTypeParameters(parentNode, typeParameters) { - emitList(parentNode, typeParameters, 26960); - } - function emitParameters(parentNode, parameters) { - emitList(parentNode, parameters, 1360); - } - function emitParametersForArrow(parentNode, parameters) { - if (parameters && - parameters.length === 1 && - parameters[0].type === undefined && - parameters[0].pos === parentNode.pos) { - emit(parameters[0]); + if (resolver.isOptionalParameter(node)) { + write("?"); } - else { - emitParameters(parentNode, parameters); + decreaseIndent(); + if (node.parent.kind === 157 || + node.parent.kind === 158 || + node.parent.parent.kind === 160) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); } - } - function emitParametersForIndexSignature(parentNode, parameters) { - emitList(parentNode, parameters, 4432); - } - function emitList(parentNode, children, format, start, count) { - emitNodeList(emit, parentNode, children, format, start, count); - } - function emitExpressionList(parentNode, children, format, start, count) { - emitNodeList(emitExpression, parentNode, children, format, start, count); - } - function emitNodeList(emit, parentNode, children, format, start, count) { - if (start === void 0) { start = 0; } - if (count === void 0) { count = children ? children.length - start : 0; } - var isUndefined = children === undefined; - if (isUndefined && format & 8192) { - return; + else if (!ts.hasModifier(node.parent, 8)) { + writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); } - var isEmpty = isUndefined || children.length === 0 || start >= children.length || count === 0; - if (isEmpty && format & 16384) { - return; + function getParameterDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; } - if (format & 7680) { - write(getOpeningBracket(format)); + function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { + switch (node.parent.kind) { + case 149: + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; + case 153: + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + case 152: + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + case 148: + case 147: + if (ts.hasModifier(node.parent, 32)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 222) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + case 221: + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; + default: + ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + } } - if (isEmpty) { - if (format & 1) { - writeLine(); + function emitBindingPattern(bindingPattern) { + if (bindingPattern.kind === 168) { + write("{"); + emitCommaList(bindingPattern.elements, emitBindingElement); + write("}"); } - else if (format & 128) { - write(" "); + else if (bindingPattern.kind === 169) { + write("["); + var elements = bindingPattern.elements; + emitCommaList(elements, emitBindingElement); + if (elements && elements.hasTrailingComma) { + write(", "); + } + write("]"); } } - else { - var mayEmitInterveningComments = (format & 131072) === 0; - var shouldEmitInterveningComments = mayEmitInterveningComments; - if (shouldWriteLeadingLineTerminator(parentNode, children, format)) { - writeLine(); - shouldEmitInterveningComments = false; - } - else if (format & 128) { + function emitBindingElement(bindingElement) { + if (bindingElement.kind === 194) { write(" "); } - if (format & 64) { - increaseIndent(); - } - var previousSibling = void 0; - var shouldDecreaseIndentAfterEmit = void 0; - var delimiter = getDelimiter(format); - for (var i = 0; i < count; i++) { - var child = children[start + i]; - if (previousSibling) { - write(delimiter); - if (shouldWriteSeparatingLineTerminator(previousSibling, child, format)) { - if ((format & (3 | 64)) === 0) { - increaseIndent(); - shouldDecreaseIndentAfterEmit = true; - } - writeLine(); - shouldEmitInterveningComments = false; + else if (bindingElement.kind === 170) { + if (bindingElement.propertyName) { + writeTextOfNode(currentText, bindingElement.propertyName); + write(": "); + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); } - else if (previousSibling && format & 256) { - write(" "); + else { + ts.Debug.assert(bindingElement.name.kind === 70); + if (bindingElement.dotDotDotToken) { + write("..."); + } + writeTextOfNode(currentText, bindingElement.name); } } - if (shouldEmitInterveningComments) { - var commentRange = ts.getCommentRange(child); - emitTrailingCommentsOfPosition(commentRange.pos); - } - else { - shouldEmitInterveningComments = mayEmitInterveningComments; - } - emit(child); - if (shouldDecreaseIndentAfterEmit) { - decreaseIndent(); - shouldDecreaseIndentAfterEmit = false; - } - previousSibling = child; - } - var hasTrailingComma = (format & 32) && children.hasTrailingComma; - if (format & 16 && hasTrailingComma) { - write(","); - } - if (format & 64) { - decreaseIndent(); - } - if (shouldWriteClosingLineTerminator(parentNode, children, format)) { - writeLine(); } - else if (format & 128) { - write(" "); - } - } - if (format & 7680) { - write(getClosingBracket(format)); } } - function writeIfAny(nodes, text) { - if (nodes && nodes.length > 0) { - write(text); + function emitNode(node) { + switch (node.kind) { + case 221: + case 226: + case 230: + case 223: + case 222: + case 224: + case 225: + return emitModuleElement(node, isModuleElementVisible(node)); + case 201: + return emitModuleElement(node, isVariableStatementVisible(node)); + case 231: + return emitModuleElement(node, !node.importClause); + case 237: + return emitExportDeclaration(node); + case 149: + case 148: + case 147: + return writeFunctionDeclaration(node); + case 153: + case 152: + case 154: + return emitSignatureDeclarationWithJsDocComments(node); + case 150: + case 151: + return emitAccessorDeclaration(node); + case 146: + case 145: + return emitPropertyDeclaration(node); + case 255: + return emitEnumMemberDeclaration(node); + case 236: + return emitExportAssignment(node); + case 256: + return emitSourceFile(node); } } - function writeIfPresent(node, text) { - if (node !== undefined) { - write(text); + function writeReferencePath(referencedFile, addBundledFileReference, emitOnlyDtsFiles) { + var declFileName; + var addedBundledEmitReference = false; + if (ts.isDeclarationFile(referencedFile)) { + declFileName = referencedFile.fileName; } - } - function writeToken(token, pos, contextNode) { - return emitTokenWithSourceMap(contextNode, token, pos, writeTokenText); - } - function writeTokenText(token, pos) { - var tokenString = ts.tokenToString(token); - write(tokenString); - return pos < 0 ? pos : pos + tokenString.length; - } - function increaseIndentIf(value, valueToWriteWhenNotIndenting) { - if (value) { - increaseIndent(); - writeLine(); + else { + ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile, emitOnlyDtsFiles); } - else if (valueToWriteWhenNotIndenting) { - write(valueToWriteWhenNotIndenting); + if (declFileName) { + declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false); + referencesOutput += "/// " + newLine; + } + return addedBundledEmitReference; + function getDeclFileName(emitFileNames, _sourceFiles, isBundledEmit) { + if (isBundledEmit && !addBundledFileReference) { + return; + } + ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); + declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; + addedBundledEmitReference = isBundledEmit; } } - function decreaseIndentIf(value1, value2) { - if (value1) { - decreaseIndent(); + } + function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) { + var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles); + var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; + if (!emitSkipped) { + var declarationOutput = emitDeclarationResult.referencesOutput + + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); + ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM, sourceFiles); + } + return emitSkipped; + function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { + var appliedSyncOutputPos = 0; + var declarationOutput = ""; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.asynchronousOutput) { + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); + declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); + appliedSyncOutputPos = aliasEmitInfo.outputPos; + } + }); + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); + return declarationOutput; + } + } + ts.writeDeclarationFile = writeDeclarationFile; +})(ts || (ts = {})); +var ts; +(function (ts) { + var defaultLastEncodedSourceMapSpan = { + emittedLine: 1, + emittedColumn: 1, + sourceLine: 1, + sourceColumn: 1, + sourceIndex: 0 + }; + function createSourceMapWriter(host, writer) { + var compilerOptions = host.getCompilerOptions(); + var extendedDiagnostics = compilerOptions.extendedDiagnostics; + var currentSourceFile; + var currentSourceText; + var sourceMapDir; + var sourceMapSourceIndex; + var lastRecordedSourceMapSpan; + var lastEncodedSourceMapSpan; + var lastEncodedNameIndex; + var sourceMapData; + var disabled = !(compilerOptions.sourceMap || compilerOptions.inlineSourceMap); + return { + initialize: initialize, + reset: reset, + getSourceMapData: function () { return sourceMapData; }, + setSourceFile: setSourceFile, + emitPos: emitPos, + emitNodeWithSourceMap: emitNodeWithSourceMap, + emitTokenWithSourceMap: emitTokenWithSourceMap, + getText: getText, + getSourceMappingURL: getSourceMappingURL, + }; + function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + if (disabled) { + return; } - if (value2) { - decreaseIndent(); + if (sourceMapData) { + reset(); } - } - function shouldWriteLeadingLineTerminator(parentNode, children, format) { - if (format & 1) { - return true; + currentSourceFile = undefined; + currentSourceText = undefined; + sourceMapSourceIndex = -1; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; + lastEncodedNameIndex = 0; + sourceMapData = { + sourceMapFilePath: sourceMapFilePath, + jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, + sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), + sourceMapSourceRoot: compilerOptions.sourceRoot || "", + sourceMapSources: [], + inputSourceFileNames: [], + sourceMapNames: [], + sourceMapMappings: "", + sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, + sourceMapDecodedMappings: [] + }; + sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); + if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { + sourceMapData.sourceMapSourceRoot += ts.directorySeparator; } - if (format & 2) { - if (format & 32768) { - return true; - } - var firstChild = children[0]; - if (firstChild === undefined) { - return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); + if (compilerOptions.mapRoot) { + sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); + if (!isBundledEmit) { + ts.Debug.assert(sourceFiles.length === 1); + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); } - else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(firstChild)) { - return synthesizedNodeStartsOnNewLine(firstChild, format); + if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); } else { - return !ts.rangeStartPositionsAreOnSameLine(parentNode, firstChild, currentSourceFile); + sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); } } else { - return false; + sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); } } - function shouldWriteSeparatingLineTerminator(previousNode, nextNode, format) { - if (format & 1) { - return true; - } - else if (format & 2) { - if (previousNode === undefined || nextNode === undefined) { - return false; - } - else if (ts.nodeIsSynthesized(previousNode) || ts.nodeIsSynthesized(nextNode)) { - return synthesizedNodeStartsOnNewLine(previousNode, format) || synthesizedNodeStartsOnNewLine(nextNode, format); - } - else { - return !ts.rangeEndIsOnSameLineAsRangeStart(previousNode, nextNode, currentSourceFile); - } - } - else { - return nextNode.startsOnNewLine; + function reset() { + if (disabled) { + return; } + currentSourceFile = undefined; + sourceMapDir = undefined; + sourceMapSourceIndex = undefined; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = undefined; + lastEncodedNameIndex = undefined; + sourceMapData = undefined; } - function shouldWriteClosingLineTerminator(parentNode, children, format) { - if (format & 1) { - return (format & 65536) === 0; + function encodeLastRecordedSourceMapSpan() { + if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + return; } - else if (format & 2) { - if (format & 32768) { - return true; - } - var lastChild = ts.lastOrUndefined(children); - if (lastChild === undefined) { - return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); - } - else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(lastChild)) { - return synthesizedNodeStartsOnNewLine(lastChild, format); - } - else { - return !ts.rangeEndPositionsAreOnSameLine(parentNode, lastChild, currentSourceFile); + var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; + if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { + if (sourceMapData.sourceMapMappings) { + sourceMapData.sourceMapMappings += ","; } } else { - return false; - } - } - function synthesizedNodeStartsOnNewLine(node, format) { - if (ts.nodeIsSynthesized(node)) { - var startsOnNewLine = node.startsOnNewLine; - if (startsOnNewLine === undefined) { - return (format & 32768) !== 0; + for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { + sourceMapData.sourceMapMappings += ";"; } - return startsOnNewLine; + prevEncodedEmittedColumn = 1; } - return (format & 32768) !== 0; - } - function needsIndentation(parent, node1, node2) { - parent = skipSynthesizedParentheses(parent); - node1 = skipSynthesizedParentheses(node1); - node2 = skipSynthesizedParentheses(node2); - if (node2.startsOnNewLine) { - return true; + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); + if (lastRecordedSourceMapSpan.nameIndex >= 0) { + ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); + lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; } - return !ts.nodeIsSynthesized(parent) - && !ts.nodeIsSynthesized(node1) - && !ts.nodeIsSynthesized(node2) - && !ts.rangeEndIsOnSameLineAsRangeStart(node1, node2, currentSourceFile); + lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; + sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); } - function skipSynthesizedParentheses(node) { - while (node.kind === 179 && ts.nodeIsSynthesized(node)) { - node = node.expression; + function emitPos(pos) { + if (disabled || ts.positionIsSynthesized(pos)) { + return; } - return node; - } - function getTextOfNode(node, includeTrivia) { - if (ts.isGeneratedIdentifier(node)) { - return getGeneratedIdentifier(node); + if (extendedDiagnostics) { + ts.performance.mark("beforeSourcemap"); } - else if (ts.isIdentifier(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { - return ts.unescapeIdentifier(node.text); + var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); + sourceLinePos.line++; + sourceLinePos.character++; + var emittedLine = writer.getLine(); + var emittedColumn = writer.getColumn(); + if (!lastRecordedSourceMapSpan || + lastRecordedSourceMapSpan.emittedLine !== emittedLine || + lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || + (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && + (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || + (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { + encodeLastRecordedSourceMapSpan(); + lastRecordedSourceMapSpan = { + emittedLine: emittedLine, + emittedColumn: emittedColumn, + sourceLine: sourceLinePos.line, + sourceColumn: sourceLinePos.character, + sourceIndex: sourceMapSourceIndex + }; } - else if (node.kind === 9 && node.textSourceNode) { - return getTextOfNode(node.textSourceNode, includeTrivia); + else { + lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; + lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; + lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; } - else if (ts.isLiteralExpression(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { - return node.text; + if (extendedDiagnostics) { + ts.performance.mark("afterSourcemap"); + ts.performance.measure("Source Map", "beforeSourcemap", "afterSourcemap"); } - return ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node, includeTrivia); } - function getLiteralTextOfNode(node) { - if (node.kind === 9 && node.textSourceNode) { - var textSourceNode = node.textSourceNode; - if (ts.isIdentifier(textSourceNode)) { - return "\"" + ts.escapeNonAsciiCharacters(ts.escapeString(getTextOfNode(textSourceNode))) + "\""; + function emitNodeWithSourceMap(emitContext, node, emitCallback) { + if (disabled) { + return emitCallback(emitContext, node); + } + if (node) { + var emitNode = node.emitNode; + var emitFlags = emitNode && emitNode.flags; + var _a = emitNode && emitNode.sourceMapRange || node, pos = _a.pos, end = _a.end; + if (node.kind !== 287 + && (emitFlags & 512) === 0 + && pos >= 0) { + emitPos(ts.skipTrivia(currentSourceText, pos)); + } + if (emitFlags & 2048) { + disabled = true; + emitCallback(emitContext, node); + disabled = false; } else { - return getLiteralTextOfNode(textSourceNode); + emitCallback(emitContext, node); } - } - return ts.getLiteralText(node, currentSourceFile, languageVersion); - } - function isSingleLineEmptyBlock(block) { - return !block.multiLine - && isEmptyBlock(block); - } - function isEmptyBlock(block) { - return block.statements.length === 0 - && ts.rangeEndIsOnSameLineAsRangeStart(block, block, currentSourceFile); - } - function isUniqueName(name) { - return !resolver.hasGlobalName(name) && - !ts.hasProperty(currentFileIdentifiers, name) && - !ts.hasProperty(generatedNameSet, name); - } - function isUniqueLocalName(name, container) { - for (var node = container; ts.isNodeDescendantOf(node, container); node = node.nextContainer) { - if (node.locals && ts.hasProperty(node.locals, name)) { - if (node.locals[name].flags & (107455 | 1048576 | 8388608)) { - return false; - } + if (node.kind !== 287 + && (emitFlags & 1024) === 0 + && end >= 0) { + emitPos(end); } } - return true; } - function makeTempVariableName(flags) { - if (flags && !(tempFlags & flags)) { - var name_41 = flags === 268435456 ? "_i" : "_n"; - if (isUniqueName(name_41)) { - tempFlags |= flags; - return name_41; - } + function emitTokenWithSourceMap(node, token, tokenPos, emitCallback) { + if (disabled) { + return emitCallback(token, tokenPos); } - while (true) { - var count = tempFlags & 268435455; - tempFlags++; - if (count !== 8 && count !== 13) { - var name_42 = count < 26 - ? "_" + String.fromCharCode(97 + count) - : "_" + (count - 26); - if (isUniqueName(name_42)) { - return name_42; - } - } + var emitNode = node && node.emitNode; + var emitFlags = emitNode && emitNode.flags; + var range = emitNode && emitNode.tokenSourceMapRanges && emitNode.tokenSourceMapRanges[token]; + tokenPos = ts.skipTrivia(currentSourceText, range ? range.pos : tokenPos); + if ((emitFlags & 4096) === 0 && tokenPos >= 0) { + emitPos(tokenPos); + } + tokenPos = emitCallback(token, tokenPos); + if (range) + tokenPos = range.end; + if ((emitFlags & 8192) === 0 && tokenPos >= 0) { + emitPos(tokenPos); } + return tokenPos; } - function makeUniqueName(baseName) { - if (baseName.charCodeAt(baseName.length - 1) !== 95) { - baseName += "_"; + function setSourceFile(sourceFile) { + if (disabled) { + return; } - var i = 1; - while (true) { - var generatedName = baseName + i; - if (isUniqueName(generatedName)) { - return generatedNameSet[generatedName] = generatedName; + currentSourceFile = sourceFile; + currentSourceText = currentSourceFile.text; + var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; + var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); + sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); + if (sourceMapSourceIndex === -1) { + sourceMapSourceIndex = sourceMapData.sourceMapSources.length; + sourceMapData.sourceMapSources.push(source); + sourceMapData.inputSourceFileNames.push(currentSourceFile.fileName); + if (compilerOptions.inlineSources) { + sourceMapData.sourceMapSourcesContent.push(currentSourceFile.text); } - i++; - } - } - function generateNameForModuleOrEnum(node) { - var name = getTextOfNode(node.name); - return isUniqueLocalName(name, node) ? name : makeUniqueName(name); - } - function generateNameForImportOrExportDeclaration(node) { - var expr = ts.getExternalModuleName(node); - var baseName = expr.kind === 9 ? - ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; - return makeUniqueName(baseName); - } - function generateNameForExportDefault() { - return makeUniqueName("default"); - } - function generateNameForClassExpression() { - return makeUniqueName("class"); - } - function generateNameForNode(node) { - switch (node.kind) { - case 70: - return makeUniqueName(getTextOfNode(node)); - case 226: - case 225: - return generateNameForModuleOrEnum(node); - case 231: - case 237: - return generateNameForImportOrExportDeclaration(node); - case 221: - case 222: - case 236: - return generateNameForExportDefault(); - case 193: - return generateNameForClassExpression(); - default: - return makeTempVariableName(0); } } - function generateName(name) { - switch (name.autoGenerateKind) { - case 1: - return makeTempVariableName(0); - case 2: - return makeTempVariableName(268435456); - case 3: - return makeUniqueName(name.text); + function getText() { + if (disabled) { + return; } - ts.Debug.fail("Unsupported GeneratedIdentifierKind."); + encodeLastRecordedSourceMapSpan(); + return ts.stringify({ + version: 3, + file: sourceMapData.sourceMapFile, + sourceRoot: sourceMapData.sourceMapSourceRoot, + sources: sourceMapData.sourceMapSources, + names: sourceMapData.sourceMapNames, + mappings: sourceMapData.sourceMapMappings, + sourcesContent: sourceMapData.sourceMapSourcesContent, + }); } - function getNodeForGeneratedName(name) { - var autoGenerateId = name.autoGenerateId; - var node = name; - var original = node.original; - while (original) { - node = original; - if (ts.isIdentifier(node) - && node.autoGenerateKind === 4 - && node.autoGenerateId !== autoGenerateId) { - break; - } - original = node.original; + function getSourceMappingURL() { + if (disabled) { + return; } - return node; - } - function getGeneratedIdentifier(name) { - if (name.autoGenerateKind === 4) { - var node = getNodeForGeneratedName(name); - var nodeId = ts.getNodeId(node); - return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = ts.unescapeIdentifier(generateNameForNode(node))); + if (compilerOptions.inlineSourceMap) { + var base64SourceMapText = ts.convertToBase64(getText()); + return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; } else { - var autoGenerateId = name.autoGenerateId; - return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = ts.unescapeIdentifier(generateName(name))); + return sourceMapData.jsSourceMappingURL; } } - function createDelimiterMap() { - var delimiters = []; - delimiters[0] = ""; - delimiters[16] = ","; - delimiters[4] = " |"; - delimiters[8] = " &"; - return delimiters; - } - function getDelimiter(format) { - return delimiters[format & 28]; - } - function createBracketsMap() { - var brackets = []; - brackets[512] = ["{", "}"]; - brackets[1024] = ["(", ")"]; - brackets[2048] = ["<", ">"]; - brackets[4096] = ["[", "]"]; - return brackets; + } + ts.createSourceMapWriter = createSourceMapWriter; + var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + function base64FormatEncode(inValue) { + if (inValue < 64) { + return base64Chars.charAt(inValue); } - function getOpeningBracket(format) { - return brackets[format & 7680][0]; + throw TypeError(inValue + ": not a 64 based value"); + } + function base64VLQFormatEncode(inValue) { + if (inValue < 0) { + inValue = ((-inValue) << 1) + 1; } - function getClosingBracket(format) { - return brackets[format & 7680][1]; + else { + inValue = inValue << 1; } + var encodedStr = ""; + do { + var currentDigit = inValue & 31; + inValue = inValue >> 5; + if (inValue > 0) { + currentDigit = currentDigit | 32; + } + encodedStr = encodedStr + base64FormatEncode(currentDigit); + } while (inValue > 0); + return encodedStr; } - ts.emitFiles = emitFiles; - var ListFormat; - (function (ListFormat) { - ListFormat[ListFormat["None"] = 0] = "None"; - ListFormat[ListFormat["SingleLine"] = 0] = "SingleLine"; - ListFormat[ListFormat["MultiLine"] = 1] = "MultiLine"; - ListFormat[ListFormat["PreserveLines"] = 2] = "PreserveLines"; - ListFormat[ListFormat["LinesMask"] = 3] = "LinesMask"; - ListFormat[ListFormat["NotDelimited"] = 0] = "NotDelimited"; - ListFormat[ListFormat["BarDelimited"] = 4] = "BarDelimited"; - ListFormat[ListFormat["AmpersandDelimited"] = 8] = "AmpersandDelimited"; - ListFormat[ListFormat["CommaDelimited"] = 16] = "CommaDelimited"; - ListFormat[ListFormat["DelimitersMask"] = 28] = "DelimitersMask"; - ListFormat[ListFormat["AllowTrailingComma"] = 32] = "AllowTrailingComma"; - ListFormat[ListFormat["Indented"] = 64] = "Indented"; - ListFormat[ListFormat["SpaceBetweenBraces"] = 128] = "SpaceBetweenBraces"; - ListFormat[ListFormat["SpaceBetweenSiblings"] = 256] = "SpaceBetweenSiblings"; - ListFormat[ListFormat["Braces"] = 512] = "Braces"; - ListFormat[ListFormat["Parenthesis"] = 1024] = "Parenthesis"; - ListFormat[ListFormat["AngleBrackets"] = 2048] = "AngleBrackets"; - ListFormat[ListFormat["SquareBrackets"] = 4096] = "SquareBrackets"; - ListFormat[ListFormat["BracketsMask"] = 7680] = "BracketsMask"; - ListFormat[ListFormat["OptionalIfUndefined"] = 8192] = "OptionalIfUndefined"; - ListFormat[ListFormat["OptionalIfEmpty"] = 16384] = "OptionalIfEmpty"; - ListFormat[ListFormat["Optional"] = 24576] = "Optional"; - ListFormat[ListFormat["PreferNewLine"] = 32768] = "PreferNewLine"; - ListFormat[ListFormat["NoTrailingNewLine"] = 65536] = "NoTrailingNewLine"; - ListFormat[ListFormat["NoInterveningComments"] = 131072] = "NoInterveningComments"; - ListFormat[ListFormat["Modifiers"] = 256] = "Modifiers"; - ListFormat[ListFormat["HeritageClauses"] = 256] = "HeritageClauses"; - ListFormat[ListFormat["TypeLiteralMembers"] = 65] = "TypeLiteralMembers"; - ListFormat[ListFormat["TupleTypeElements"] = 336] = "TupleTypeElements"; - ListFormat[ListFormat["UnionTypeConstituents"] = 260] = "UnionTypeConstituents"; - ListFormat[ListFormat["IntersectionTypeConstituents"] = 264] = "IntersectionTypeConstituents"; - ListFormat[ListFormat["ObjectBindingPatternElements"] = 432] = "ObjectBindingPatternElements"; - ListFormat[ListFormat["ArrayBindingPatternElements"] = 304] = "ArrayBindingPatternElements"; - ListFormat[ListFormat["ObjectLiteralExpressionProperties"] = 978] = "ObjectLiteralExpressionProperties"; - ListFormat[ListFormat["ArrayLiteralExpressionElements"] = 4466] = "ArrayLiteralExpressionElements"; - ListFormat[ListFormat["CallExpressionArguments"] = 1296] = "CallExpressionArguments"; - ListFormat[ListFormat["NewExpressionArguments"] = 9488] = "NewExpressionArguments"; - ListFormat[ListFormat["TemplateExpressionSpans"] = 131072] = "TemplateExpressionSpans"; - ListFormat[ListFormat["SingleLineBlockStatements"] = 384] = "SingleLineBlockStatements"; - ListFormat[ListFormat["MultiLineBlockStatements"] = 65] = "MultiLineBlockStatements"; - ListFormat[ListFormat["VariableDeclarationList"] = 272] = "VariableDeclarationList"; - ListFormat[ListFormat["SingleLineFunctionBodyStatements"] = 384] = "SingleLineFunctionBodyStatements"; - ListFormat[ListFormat["MultiLineFunctionBodyStatements"] = 1] = "MultiLineFunctionBodyStatements"; - ListFormat[ListFormat["ClassHeritageClauses"] = 256] = "ClassHeritageClauses"; - ListFormat[ListFormat["ClassMembers"] = 65] = "ClassMembers"; - ListFormat[ListFormat["InterfaceMembers"] = 65] = "InterfaceMembers"; - ListFormat[ListFormat["EnumMembers"] = 81] = "EnumMembers"; - ListFormat[ListFormat["CaseBlockClauses"] = 65] = "CaseBlockClauses"; - ListFormat[ListFormat["NamedImportsOrExportsElements"] = 432] = "NamedImportsOrExportsElements"; - ListFormat[ListFormat["JsxElementChildren"] = 131072] = "JsxElementChildren"; - ListFormat[ListFormat["JsxElementAttributes"] = 131328] = "JsxElementAttributes"; - ListFormat[ListFormat["CaseOrDefaultClauseStatements"] = 81985] = "CaseOrDefaultClauseStatements"; - ListFormat[ListFormat["HeritageClauseTypes"] = 272] = "HeritageClauseTypes"; - ListFormat[ListFormat["SourceFileStatements"] = 65537] = "SourceFileStatements"; - ListFormat[ListFormat["Decorators"] = 24577] = "Decorators"; - ListFormat[ListFormat["TypeArguments"] = 26960] = "TypeArguments"; - ListFormat[ListFormat["TypeParameters"] = 26960] = "TypeParameters"; - ListFormat[ListFormat["Parameters"] = 1360] = "Parameters"; - ListFormat[ListFormat["IndexSignatureParameters"] = 4432] = "IndexSignatureParameters"; - })(ListFormat || (ListFormat = {})); })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.0"; - var emptyArray = []; - function findConfigFile(searchPath, fileExists, configName) { - if (configName === void 0) { configName = "tsconfig.json"; } - while (true) { - var fileName = ts.combinePaths(searchPath, configName); - if (fileExists(fileName)) { - return fileName; + function createCommentWriter(host, writer, sourceMap) { + var compilerOptions = host.getCompilerOptions(); + var extendedDiagnostics = compilerOptions.extendedDiagnostics; + var newLine = host.getNewLine(); + var emitPos = sourceMap.emitPos; + var containerPos = -1; + var containerEnd = -1; + var declarationListContainerEnd = -1; + var currentSourceFile; + var currentText; + var currentLineMap; + var detachedCommentsInfo; + var hasWrittenComment = false; + var disabled = compilerOptions.removeComments; + return { + reset: reset, + setSourceFile: setSourceFile, + emitNodeWithComments: emitNodeWithComments, + emitBodyWithDetachedComments: emitBodyWithDetachedComments, + emitTrailingCommentsOfPosition: emitTrailingCommentsOfPosition, + }; + function emitNodeWithComments(emitContext, node, emitCallback) { + if (disabled) { + emitCallback(emitContext, node); + return; + } + if (node) { + var _a = ts.getCommentRange(node), pos = _a.pos, end = _a.end; + var emitFlags = ts.getEmitFlags(node); + if ((pos < 0 && end < 0) || (pos === end)) { + if (emitFlags & 65536) { + disabled = true; + emitCallback(emitContext, node); + disabled = false; + } + else { + emitCallback(emitContext, node); + } + } + else { + if (extendedDiagnostics) { + ts.performance.mark("preEmitNodeWithComment"); + } + var isEmittedNode = node.kind !== 287; + var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; + var skipTrailingComments = end < 0 || (emitFlags & 32768) !== 0; + if (!skipLeadingComments) { + emitLeadingComments(pos, isEmittedNode); + } + var savedContainerPos = containerPos; + var savedContainerEnd = containerEnd; + var savedDeclarationListContainerEnd = declarationListContainerEnd; + if (!skipLeadingComments) { + containerPos = pos; + } + if (!skipTrailingComments) { + containerEnd = end; + if (node.kind === 220) { + declarationListContainerEnd = end; + } + } + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "preEmitNodeWithComment"); + } + if (emitFlags & 65536) { + disabled = true; + emitCallback(emitContext, node); + disabled = false; + } + else { + emitCallback(emitContext, node); + } + if (extendedDiagnostics) { + ts.performance.mark("beginEmitNodeWithComment"); + } + containerPos = savedContainerPos; + containerEnd = savedContainerEnd; + declarationListContainerEnd = savedDeclarationListContainerEnd; + if (!skipTrailingComments && isEmittedNode) { + emitTrailingComments(end); + } + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "beginEmitNodeWithComment"); + } + } + } + } + function emitBodyWithDetachedComments(node, detachedRange, emitCallback) { + if (extendedDiagnostics) { + ts.performance.mark("preEmitBodyWithDetachedComments"); + } + var pos = detachedRange.pos, end = detachedRange.end; + var emitFlags = ts.getEmitFlags(node); + var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; + var skipTrailingComments = disabled || end < 0 || (emitFlags & 32768) !== 0; + if (!skipLeadingComments) { + emitDetachedCommentsAndUpdateCommentsInfo(detachedRange); + } + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "preEmitBodyWithDetachedComments"); + } + if (emitFlags & 65536 && !disabled) { + disabled = true; + emitCallback(node); + disabled = false; + } + else { + emitCallback(node); + } + if (extendedDiagnostics) { + ts.performance.mark("beginEmitBodyWithDetachedCommetns"); + } + if (!skipTrailingComments) { + emitLeadingComments(detachedRange.end, true); } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "beginEmitBodyWithDetachedCommetns"); } - searchPath = parentPath; } - return undefined; - } - ts.findConfigFile = findConfigFile; - function resolveTripleslashReference(moduleName, containingFile) { - var basePath = ts.getDirectoryPath(containingFile); - var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); - return ts.normalizePath(referencedFileName); - } - ts.resolveTripleslashReference = resolveTripleslashReference; - function computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName) { - var commonPathComponents; - var failed = ts.forEach(fileNames, function (sourceFile) { - var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile, currentDirectory); - sourcePathComponents.pop(); - if (!commonPathComponents) { - commonPathComponents = sourcePathComponents; - return; + function emitLeadingComments(pos, isEmittedNode) { + hasWrittenComment = false; + if (isEmittedNode) { + forEachLeadingCommentToEmit(pos, emitLeadingComment); } - for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { - if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { - if (i === 0) { - return true; - } - commonPathComponents.length = i; - break; - } + else if (pos === 0) { + forEachLeadingCommentToEmit(pos, emitTripleSlashLeadingComment); } - if (sourcePathComponents.length < commonPathComponents.length) { - commonPathComponents.length = sourcePathComponents.length; + } + function emitTripleSlashLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) { + if (isTripleSlashComment(commentPos, commentEnd)) { + emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos); } - }); - if (failed) { - return ""; } - if (!commonPathComponents) { - return currentDirectory; + function emitLeadingComment(commentPos, commentEnd, _kind, hasTrailingNewLine, rangePos) { + if (!hasWrittenComment) { + ts.emitNewLineBeforeLeadingCommentOfPosition(currentLineMap, writer, rangePos, commentPos); + hasWrittenComment = true; + } + emitPos(commentPos); + ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); + } + else { + writer.write(" "); + } } - return ts.getNormalizedPathFromPathComponents(commonPathComponents); - } - ts.computeCommonSourceDirectoryOfFilenames = computeCommonSourceDirectoryOfFilenames; - function createCompilerHost(options, setParentNodes) { - var existingDirectories = ts.createMap(); - function getCanonicalFileName(fileName) { - return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + function emitTrailingComments(pos) { + forEachTrailingCommentToEmit(pos, emitTrailingComment); } - var unsupportedFileEncodingErrorCode = -2147024809; - function getSourceFile(fileName, languageVersion, onError) { - var text; - try { - ts.performance.mark("beforeIORead"); - text = ts.sys.readFile(fileName, options.charset); - ts.performance.mark("afterIORead"); - ts.performance.measure("I/O Read", "beforeIORead", "afterIORead"); + function emitTrailingComment(commentPos, commentEnd, _kind, hasTrailingNewLine) { + if (!writer.isAtStartOfLine()) { + writer.write(" "); } - catch (e) { - if (onError) { - onError(e.number === unsupportedFileEncodingErrorCode - ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText - : e.message); - } - text = ""; + emitPos(commentPos); + ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); } - return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; } - function directoryExists(directoryPath) { - if (directoryPath in existingDirectories) { - return true; + function emitTrailingCommentsOfPosition(pos) { + if (disabled) { + return; } - if (ts.sys.directoryExists(directoryPath)) { - existingDirectories[directoryPath] = true; - return true; + if (extendedDiagnostics) { + ts.performance.mark("beforeEmitTrailingCommentsOfPosition"); } - return false; - } - function ensureDirectoriesExist(directoryPath) { - if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { - var parentDirectory = ts.getDirectoryPath(directoryPath); - ensureDirectoriesExist(parentDirectory); - ts.sys.createDirectory(directoryPath); + forEachTrailingCommentToEmit(pos, emitTrailingCommentOfPosition); + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "beforeEmitTrailingCommentsOfPosition"); } } - var outputFingerprints; - function writeFileIfUpdated(fileName, data, writeByteOrderMark) { - if (!outputFingerprints) { - outputFingerprints = ts.createMap(); + function emitTrailingCommentOfPosition(commentPos, commentEnd, _kind, hasTrailingNewLine) { + emitPos(commentPos); + ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); } - var hash = ts.sys.createHash(data); - var mtimeBefore = ts.sys.getModifiedTime(fileName); - if (mtimeBefore && fileName in outputFingerprints) { - var fingerprint = outputFingerprints[fileName]; - if (fingerprint.byteOrderMark === writeByteOrderMark && - fingerprint.hash === hash && - fingerprint.mtime.getTime() === mtimeBefore.getTime()) { - return; - } + else { + writer.write(" "); } - ts.sys.writeFile(fileName, data, writeByteOrderMark); - var mtimeAfter = ts.sys.getModifiedTime(fileName); - outputFingerprints[fileName] = { - hash: hash, - byteOrderMark: writeByteOrderMark, - mtime: mtimeAfter - }; } - function writeFile(fileName, data, writeByteOrderMark, onError) { - try { - ts.performance.mark("beforeIOWrite"); - ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); - if (ts.isWatchSet(options) && ts.sys.createHash && ts.sys.getModifiedTime) { - writeFileIfUpdated(fileName, data, writeByteOrderMark); + function forEachLeadingCommentToEmit(pos, cb) { + if (containerPos === -1 || pos !== containerPos) { + if (hasDetachedComments(pos)) { + forEachLeadingCommentWithoutDetachedComments(cb); } else { - ts.sys.writeFile(fileName, data, writeByteOrderMark); - } - ts.performance.mark("afterIOWrite"); - ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); - } - catch (e) { - if (onError) { - onError(e.message); + ts.forEachLeadingCommentRange(currentText, pos, cb, pos); } } } - function getDefaultLibLocation() { - return ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())); - } - var newLine = ts.getNewLineCharacter(options); - var realpath = ts.sys.realpath && (function (path) { return ts.sys.realpath(path); }); - return { - getSourceFile: getSourceFile, - getDefaultLibLocation: getDefaultLibLocation, - getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); }, - writeFile: writeFile, - getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), - useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, - getCanonicalFileName: getCanonicalFileName, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, - readFile: function (fileName) { return ts.sys.readFile(fileName); }, - trace: function (s) { return ts.sys.write(s + newLine); }, - directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); }, - getEnvironmentVariable: function (name) { return ts.sys.getEnvironmentVariable ? ts.sys.getEnvironmentVariable(name) : ""; }, - getDirectories: function (path) { return ts.sys.getDirectories(path); }, - realpath: realpath - }; - } - ts.createCompilerHost = createCompilerHost; - function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (program.getCompilerOptions().declaration) { - diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); - } - return ts.sortAndDeduplicateDiagnostics(diagnostics); - } - ts.getPreEmitDiagnostics = getPreEmitDiagnostics; - function formatDiagnostics(diagnostics, host) { - var output = ""; - for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) { - var diagnostic = diagnostics_1[_i]; - if (diagnostic.file) { - var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; - var fileName = diagnostic.file.fileName; - var relativeFileName = ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }); - output += relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): "; - } - var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); - output += category + " TS" + diagnostic.code + ": " + flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()) + host.getNewLine(); - } - return output; - } - ts.formatDiagnostics = formatDiagnostics; - function flattenDiagnosticMessageText(messageText, newLine) { - if (typeof messageText === "string") { - return messageText; - } - else { - var diagnosticChain = messageText; - var result = ""; - var indent = 0; - while (diagnosticChain) { - if (indent) { - result += newLine; - for (var i = 0; i < indent; i++) { - result += " "; - } - } - result += diagnosticChain.messageText; - indent++; - diagnosticChain = diagnosticChain.next; + function forEachTrailingCommentToEmit(end, cb) { + if (containerEnd === -1 || (end !== containerEnd && end !== declarationListContainerEnd)) { + ts.forEachTrailingCommentRange(currentText, end, cb); } - return result; - } - } - ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; - function loadWithLocalCache(names, containingFile, loader) { - if (names.length === 0) { - return []; - } - var resolutions = []; - var cache = ts.createMap(); - for (var _i = 0, names_2 = names; _i < names_2.length; _i++) { - var name_43 = names_2[_i]; - var result = name_43 in cache - ? cache[name_43] - : cache[name_43] = loader(name_43, containingFile); - resolutions.push(result); - } - return resolutions; - } - function createProgram(rootNames, options, host, oldProgram) { - var program; - var files = []; - var commonSourceDirectory; - var diagnosticsProducingTypeChecker; - var noDiagnosticsTypeChecker; - var classifiableNames; - var resolvedTypeReferenceDirectives = ts.createMap(); - var fileProcessingDiagnostics = ts.createDiagnosticCollection(); - var maxNodeModulesJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0; - var currentNodeModulesDepth = 0; - var modulesWithElidedImports = ts.createMap(); - var sourceFilesFoundSearchingNodeModules = ts.createMap(); - ts.performance.mark("beforeProgram"); - host = host || createCompilerHost(options); - var skipDefaultLib = options.noLib; - var programDiagnostics = ts.createDiagnosticCollection(); - var currentDirectory = host.getCurrentDirectory(); - var supportedExtensions = ts.getSupportedExtensions(options); - var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); - var resolveModuleNamesWorker; - if (host.resolveModuleNames) { - resolveModuleNamesWorker = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; } - else { - var loader_1 = function (moduleName, containingFile) { return ts.resolveModuleName(moduleName, containingFile, options, host).resolvedModule; }; - resolveModuleNamesWorker = function (moduleNames, containingFile) { return loadWithLocalCache(moduleNames, containingFile, loader_1); }; + function reset() { + currentSourceFile = undefined; + currentText = undefined; + currentLineMap = undefined; + detachedCommentsInfo = undefined; } - var resolveTypeReferenceDirectiveNamesWorker; - if (host.resolveTypeReferenceDirectives) { - resolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile) { return host.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile); }; + function setSourceFile(sourceFile) { + currentSourceFile = sourceFile; + currentText = currentSourceFile.text; + currentLineMap = ts.getLineStarts(currentSourceFile); + detachedCommentsInfo = undefined; } - else { - var loader_2 = function (typesRef, containingFile) { return ts.resolveTypeReferenceDirective(typesRef, containingFile, options, host).resolvedTypeReferenceDirective; }; - resolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile) { return loadWithLocalCache(typeReferenceDirectiveNames, containingFile, loader_2); }; + function hasDetachedComments(pos) { + return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; } - var filesByName = ts.createFileMap(); - var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; - if (!tryReuseStructureFromOldProgram()) { - ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); - var typeReferences = ts.getAutomaticTypeDirectiveNames(options, host); - if (typeReferences.length) { - var containingFilename = ts.combinePaths(host.getCurrentDirectory(), "__inferred type names__.ts"); - var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename); - for (var i = 0; i < typeReferences.length; i++) { - processTypeReferenceDirective(typeReferences[i], resolutions[i]); - } + function forEachLeadingCommentWithoutDetachedComments(cb) { + var pos = ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos; + if (detachedCommentsInfo.length - 1) { + detachedCommentsInfo.pop(); } - if (!skipDefaultLib) { - if (!options.lib) { - processRootFile(host.getDefaultLibFileName(options), true); - } - else { - var libDirectory_1 = host.getDefaultLibLocation ? host.getDefaultLibLocation() : ts.getDirectoryPath(host.getDefaultLibFileName(options)); - ts.forEach(options.lib, function (libFileName) { - processRootFile(ts.combinePaths(libDirectory_1, libFileName), true); - }); - } + else { + detachedCommentsInfo = undefined; } + ts.forEachLeadingCommentRange(currentText, pos, cb, pos); } - oldProgram = undefined; - program = { - getRootFileNames: function () { return rootNames; }, - getSourceFile: getSourceFile, - getSourceFileByPath: getSourceFileByPath, - getSourceFiles: function () { return files; }, - getCompilerOptions: function () { return options; }, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getOptionsDiagnostics: getOptionsDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getDeclarationDiagnostics: getDeclarationDiagnostics, - getTypeChecker: getTypeChecker, - getClassifiableNames: getClassifiableNames, - getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, - getCommonSourceDirectory: getCommonSourceDirectory, - emit: emit, - getCurrentDirectory: function () { return currentDirectory; }, - getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, - getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, - getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, - getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, - getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; }, - getResolvedTypeReferenceDirectives: function () { return resolvedTypeReferenceDirectives; }, - dropDiagnosticsProducingTypeChecker: dropDiagnosticsProducingTypeChecker - }; - verifyCompilerOptions(); - ts.performance.mark("afterProgram"); - ts.performance.measure("Program", "beforeProgram", "afterProgram"); - return program; - function getCommonSourceDirectory() { - if (typeof commonSourceDirectory === "undefined") { - if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { - commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + function emitDetachedCommentsAndUpdateCommentsInfo(range) { + var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, range, newLine, disabled); + if (currentDetachedCommentInfo) { + if (detachedCommentsInfo) { + detachedCommentsInfo.push(currentDetachedCommentInfo); } else { - commonSourceDirectory = computeCommonSourceDirectory(files); - } - if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { - commonSourceDirectory += ts.directorySeparator; + detachedCommentsInfo = [currentDetachedCommentInfo]; } } - return commonSourceDirectory; } - function getClassifiableNames() { - if (!classifiableNames) { - getTypeChecker(); - classifiableNames = ts.createMap(); - for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { - var sourceFile = files_2[_i]; - ts.copyProperties(sourceFile.classifiableNames, classifiableNames); - } - } - return classifiableNames; + function writeComment(text, lineMap, writer, commentPos, commentEnd, newLine) { + emitPos(commentPos); + ts.writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); } - function tryReuseStructureFromOldProgram() { - if (!oldProgram) { - return false; - } - var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.moduleResolution !== options.moduleResolution) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs) || - (oldOptions.rootDir !== options.rootDir) || - (oldOptions.configFilePath !== options.configFilePath) || - (oldOptions.baseUrl !== options.baseUrl) || - (oldOptions.maxNodeModuleJsDepth !== options.maxNodeModuleJsDepth) || - !ts.arrayIsEqualTo(oldOptions.lib, options.lib) || - !ts.arrayIsEqualTo(oldOptions.typeRoots, oldOptions.typeRoots) || - !ts.arrayIsEqualTo(oldOptions.rootDirs, options.rootDirs) || - !ts.equalOwnProperties(oldOptions.paths, options.paths)) { - return false; - } - ts.Debug.assert(!oldProgram.structureIsReused); - var oldRootNames = oldProgram.getRootFileNames(); - if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { - return false; - } - if (!ts.arrayIsEqualTo(options.types, oldOptions.types)) { - return false; + function isTripleSlashComment(commentPos, commentEnd) { + if (currentText.charCodeAt(commentPos + 1) === 47 && + commentPos + 2 < commentEnd && + currentText.charCodeAt(commentPos + 2) === 47) { + var textSubStr = currentText.substring(commentPos, commentEnd); + return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || + textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? + true : false; } - var newSourceFiles = []; - var filePaths = []; - var modifiedSourceFiles = []; - for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { - var oldSourceFile = _a[_i]; - var newSourceFile = host.getSourceFileByPath - ? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.path, options.target) - : host.getSourceFile(oldSourceFile.fileName, options.target); - if (!newSourceFile) { - return false; - } - newSourceFile.path = oldSourceFile.path; - filePaths.push(newSourceFile.path); - if (oldSourceFile !== newSourceFile) { - if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { - return false; - } - collectExternalModuleReferences(newSourceFile); - if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) { - return false; - } - var newSourceFilePath = ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory); - if (resolveModuleNamesWorker) { - var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, newSourceFilePath); - var resolutionsChanged = ts.hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, ts.moduleResolutionIsEqualTo); - if (resolutionsChanged) { - return false; - } - } - if (resolveTypeReferenceDirectiveNamesWorker) { - var typesReferenceDirectives = ts.map(newSourceFile.typeReferenceDirectives, function (x) { return x.fileName; }); - var resolutions = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFilePath); - var resolutionsChanged = ts.hasChangesInResolutions(typesReferenceDirectives, resolutions, oldSourceFile.resolvedTypeReferenceDirectiveNames, ts.typeDirectiveIsEqualTo); - if (resolutionsChanged) { - return false; - } - } - newSourceFile.resolvedModules = oldSourceFile.resolvedModules; - newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames; - modifiedSourceFiles.push(newSourceFile); + return false; + } + } + ts.createCommentWriter = createCommentWriter; +})(ts || (ts = {})); +var ts; +(function (ts) { + var id = function (s) { return s; }; + var nullTransformers = [function (_) { return id; }]; + function emitFiles(resolver, host, targetSourceFile, emitOnlyDtsFiles) { + var delimiters = createDelimiterMap(); + var brackets = createBracketsMap(); + var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; + var assignHelper = "\nvar __assign = (this && this.__assign) || Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n};"; + var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; + var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; + var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; + var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; + var generatorHelper = "\nvar __generator = (this && this.__generator) || function (thisArg, body) {\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;\n return { next: verb(0), \"throw\": verb(1), \"return\": verb(2) };\n function verb(n) { return function (v) { return step([n, v]); }; }\n function step(op) {\n if (f) throw new TypeError(\"Generator is already executing.\");\n while (_) try {\n if (f = 1, y && (t = y[op[0] & 2 ? \"return\" : op[0] ? \"throw\" : \"next\"]) && !(t = t.call(y, op[1])).done) return t;\n if (y = 0, t) op = [0, t.value];\n switch (op[0]) {\n case 0: case 1: t = op; break;\n case 4: _.label++; return { value: op[1], done: false };\n case 5: _.label++; y = op[1]; op = [0]; continue;\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\n default:\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n if (t[2]) _.ops.pop();\n _.trys.pop(); continue;\n }\n op = body.call(thisArg, _);\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n }\n};"; + var exportStarHelper = "\nfunction __export(m) {\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\n}"; + var umdHelper = "\n(function (dependencies, factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define(dependencies, factory);\n }\n})"; + var superHelper = "\nconst _super = name => super[name];"; + var advancedSuperHelper = "\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; + var emittedFilesList = compilerOptions.listEmittedFiles ? [] : undefined; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var newLine = host.getNewLine(); + var transformers = emitOnlyDtsFiles ? nullTransformers : ts.getTransformers(compilerOptions); + var writer = ts.createTextWriter(newLine); + var write = writer.write, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; + var sourceMap = ts.createSourceMapWriter(host, writer); + var emitNodeWithSourceMap = sourceMap.emitNodeWithSourceMap, emitTokenWithSourceMap = sourceMap.emitTokenWithSourceMap; + var comments = ts.createCommentWriter(host, writer, sourceMap); + var emitNodeWithComments = comments.emitNodeWithComments, emitBodyWithDetachedComments = comments.emitBodyWithDetachedComments, emitTrailingCommentsOfPosition = comments.emitTrailingCommentsOfPosition; + var nodeIdToGeneratedName; + var autoGeneratedIdToGeneratedName; + var generatedNameSet; + var tempFlags; + var currentSourceFile; + var currentText; + var currentFileIdentifiers; + var extendsEmitted; + var assignEmitted; + var decorateEmitted; + var paramEmitted; + var awaiterEmitted; + var isOwnFileEmit; + var emitSkipped = false; + var sourceFiles = ts.getSourceFilesToEmit(host, targetSourceFile); + ts.performance.mark("beforeTransform"); + var _a = ts.transformFiles(resolver, host, sourceFiles, transformers), transformed = _a.transformed, emitNodeWithSubstitution = _a.emitNodeWithSubstitution, emitNodeWithNotification = _a.emitNodeWithNotification; + ts.performance.measure("transformTime", "beforeTransform"); + ts.performance.mark("beforePrint"); + ts.forEachTransformedEmitFile(host, transformed, emitFile, emitOnlyDtsFiles); + ts.performance.measure("printTime", "beforePrint"); + for (var _b = 0, sourceFiles_4 = sourceFiles; _b < sourceFiles_4.length; _b++) { + var sourceFile = sourceFiles_4[_b]; + ts.disposeEmitNodes(sourceFile); + } + return { + emitSkipped: emitSkipped, + diagnostics: emitterDiagnostics.getDiagnostics(), + emittedFiles: emittedFilesList, + sourceMaps: sourceMapDataList + }; + function emitFile(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, isBundledEmit) { + if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { + if (!emitOnlyDtsFiles) { + printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); } - else { - newSourceFile = oldSourceFile; + } + else { + emitSkipped = true; + } + if (declarationFilePath) { + emitSkipped = ts.writeDeclarationFile(declarationFilePath, ts.getOriginalSourceFiles(sourceFiles), isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) || emitSkipped; + } + if (!emitSkipped && emittedFilesList) { + if (!emitOnlyDtsFiles) { + emittedFilesList.push(jsFilePath); + } + if (sourceMapFilePath) { + emittedFilesList.push(sourceMapFilePath); + } + if (declarationFilePath) { + emittedFilesList.push(declarationFilePath); } - newSourceFiles.push(newSourceFile); } - for (var i = 0, len = newSourceFiles.length; i < len; i++) { - filesByName.set(filePaths[i], newSourceFiles[i]); + } + function printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + nodeIdToGeneratedName = []; + autoGeneratedIdToGeneratedName = []; + generatedNameSet = ts.createMap(); + isOwnFileEmit = !isBundledEmit; + if (isBundledEmit && moduleKind) { + for (var _a = 0, sourceFiles_5 = sourceFiles; _a < sourceFiles_5.length; _a++) { + var sourceFile = sourceFiles_5[_a]; + emitEmitHelpers(sourceFile); + } } - files = newSourceFiles; - fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); - for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { - var modifiedFile = modifiedSourceFiles_1[_b]; - fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); + ts.forEach(sourceFiles, printSourceFile); + writeLine(); + var sourceMappingURL = sourceMap.getSourceMappingURL(); + if (sourceMappingURL) { + write("//# " + "sourceMappingURL" + "=" + sourceMappingURL); } - resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives(); - oldProgram.structureIsReused = true; - return true; + if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { + ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); + } + if (sourceMapDataList) { + sourceMapDataList.push(sourceMap.getSourceMapData()); + } + ts.writeFile(host, emitterDiagnostics, jsFilePath, writer.getText(), compilerOptions.emitBOM); + sourceMap.reset(); + comments.reset(); + writer.reset(); + tempFlags = 0; + currentSourceFile = undefined; + currentText = undefined; + extendsEmitted = false; + assignEmitted = false; + decorateEmitted = false; + paramEmitted = false; + awaiterEmitted = false; + isOwnFileEmit = false; } - function getEmitHost(writeFileCallback) { - return { - getCanonicalFileName: getCanonicalFileName, - getCommonSourceDirectory: program.getCommonSourceDirectory, - getCompilerOptions: program.getCompilerOptions, - getCurrentDirectory: function () { return currentDirectory; }, - getNewLine: function () { return host.getNewLine(); }, - getSourceFile: program.getSourceFile, - getSourceFileByPath: program.getSourceFileByPath, - getSourceFiles: program.getSourceFiles, - isSourceFileFromExternalLibrary: function (file) { return !!sourceFilesFoundSearchingNodeModules[file.path]; }, - writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError, sourceFiles) { return host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles); }), - isEmitBlocked: isEmitBlocked, - }; + function printSourceFile(node) { + currentSourceFile = node; + currentText = node.text; + currentFileIdentifiers = node.identifiers; + sourceMap.setSourceFile(node); + comments.setSourceFile(node); + pipelineEmitWithNotification(0, node); } - function getDiagnosticsProducingTypeChecker() { - return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); + function emit(node) { + pipelineEmitWithNotification(3, node); } - function dropDiagnosticsProducingTypeChecker() { - diagnosticsProducingTypeChecker = undefined; + function emitIdentifierName(node) { + pipelineEmitWithNotification(2, node); } - function getTypeChecker() { - return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); + function emitExpression(node) { + pipelineEmitWithNotification(1, node); } - function emit(sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { - return runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles); }); + function pipelineEmitWithNotification(emitContext, node) { + emitNodeWithNotification(emitContext, node, pipelineEmitWithComments); } - function isEmitBlocked(emitFileName) { - return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); + function pipelineEmitWithComments(emitContext, node) { + if (emitContext === 0) { + pipelineEmitWithSourceMap(emitContext, node); + return; + } + emitNodeWithComments(emitContext, node, pipelineEmitWithSourceMap); } - function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { - var declarationDiagnostics = []; - if (options.noEmit) { - return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true }; + function pipelineEmitWithSourceMap(emitContext, node) { + if (emitContext === 0 + || emitContext === 2) { + pipelineEmitWithSubstitution(emitContext, node); + return; } - if (options.noEmitOnError) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { - declarationDiagnostics = program.getDeclarationDiagnostics(undefined, cancellationToken); - } - if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { - return { - diagnostics: ts.concatenate(diagnostics, declarationDiagnostics), - sourceMaps: undefined, - emittedFiles: undefined, - emitSkipped: true - }; - } + emitNodeWithSourceMap(emitContext, node, pipelineEmitWithSubstitution); + } + function pipelineEmitWithSubstitution(emitContext, node) { + emitNodeWithSubstitution(emitContext, node, pipelineEmitForContext); + } + function pipelineEmitForContext(emitContext, node) { + switch (emitContext) { + case 0: return pipelineEmitInSourceFileContext(node); + case 2: return pipelineEmitInIdentifierNameContext(node); + case 3: return pipelineEmitInUnspecifiedContext(node); + case 1: return pipelineEmitInExpressionContext(node); } - var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); - ts.performance.mark("beforeEmit"); - var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile, emitOnlyDtsFiles); - ts.performance.mark("afterEmit"); - ts.performance.measure("Emit", "beforeEmit", "afterEmit"); - return emitResult; } - function getSourceFile(fileName) { - return getSourceFileByPath(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + function pipelineEmitInSourceFileContext(node) { + var kind = node.kind; + switch (kind) { + case 256: + return emitSourceFile(node); + } } - function getSourceFileByPath(path) { - return filesByName.get(path); + function pipelineEmitInIdentifierNameContext(node) { + var kind = node.kind; + switch (kind) { + case 70: + return emitIdentifier(node); + } } - function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { - if (sourceFile) { - return getDiagnostics(sourceFile, cancellationToken); + function pipelineEmitInUnspecifiedContext(node) { + var kind = node.kind; + switch (kind) { + case 13: + case 14: + case 15: + return emitLiteral(node); + case 70: + return emitIdentifier(node); + case 75: + case 78: + case 83: + case 104: + case 111: + case 112: + case 113: + case 114: + case 116: + case 117: + case 118: + case 119: + case 120: + case 121: + case 122: + case 123: + case 124: + case 125: + case 126: + case 127: + case 128: + case 129: + case 130: + case 131: + case 132: + case 133: + case 134: + case 135: + case 136: + case 137: + case 138: + case 139: + writeTokenText(kind); + return; + case 140: + return emitQualifiedName(node); + case 141: + return emitComputedPropertyName(node); + case 142: + return emitTypeParameter(node); + case 143: + return emitParameter(node); + case 144: + return emitDecorator(node); + case 145: + return emitPropertySignature(node); + case 146: + return emitPropertyDeclaration(node); + case 147: + return emitMethodSignature(node); + case 148: + return emitMethodDeclaration(node); + case 149: + return emitConstructor(node); + case 150: + case 151: + return emitAccessorDeclaration(node); + case 152: + return emitCallSignature(node); + case 153: + return emitConstructSignature(node); + case 154: + return emitIndexSignature(node); + case 155: + return emitTypePredicate(node); + case 156: + return emitTypeReference(node); + case 157: + return emitFunctionType(node); + case 158: + return emitConstructorType(node); + case 159: + return emitTypeQuery(node); + case 160: + return emitTypeLiteral(node); + case 161: + return emitArrayType(node); + case 162: + return emitTupleType(node); + case 163: + return emitUnionType(node); + case 164: + return emitIntersectionType(node); + case 165: + return emitParenthesizedType(node); + case 195: + return emitExpressionWithTypeArguments(node); + case 166: + return emitThisType(); + case 167: + return emitLiteralType(node); + case 168: + return emitObjectBindingPattern(node); + case 169: + return emitArrayBindingPattern(node); + case 170: + return emitBindingElement(node); + case 198: + return emitTemplateSpan(node); + case 199: + return emitSemicolonClassElement(); + case 200: + return emitBlock(node); + case 201: + return emitVariableStatement(node); + case 202: + return emitEmptyStatement(); + case 203: + return emitExpressionStatement(node); + case 204: + return emitIfStatement(node); + case 205: + return emitDoStatement(node); + case 206: + return emitWhileStatement(node); + case 207: + return emitForStatement(node); + case 208: + return emitForInStatement(node); + case 209: + return emitForOfStatement(node); + case 210: + return emitContinueStatement(node); + case 211: + return emitBreakStatement(node); + case 212: + return emitReturnStatement(node); + case 213: + return emitWithStatement(node); + case 214: + return emitSwitchStatement(node); + case 215: + return emitLabeledStatement(node); + case 216: + return emitThrowStatement(node); + case 217: + return emitTryStatement(node); + case 218: + return emitDebuggerStatement(node); + case 219: + return emitVariableDeclaration(node); + case 220: + return emitVariableDeclarationList(node); + case 221: + return emitFunctionDeclaration(node); + case 222: + return emitClassDeclaration(node); + case 223: + return emitInterfaceDeclaration(node); + case 224: + return emitTypeAliasDeclaration(node); + case 225: + return emitEnumDeclaration(node); + case 226: + return emitModuleDeclaration(node); + case 227: + return emitModuleBlock(node); + case 228: + return emitCaseBlock(node); + case 230: + return emitImportEqualsDeclaration(node); + case 231: + return emitImportDeclaration(node); + case 232: + return emitImportClause(node); + case 233: + return emitNamespaceImport(node); + case 234: + return emitNamedImports(node); + case 235: + return emitImportSpecifier(node); + case 236: + return emitExportAssignment(node); + case 237: + return emitExportDeclaration(node); + case 238: + return emitNamedExports(node); + case 239: + return emitExportSpecifier(node); + case 240: + return; + case 241: + return emitExternalModuleReference(node); + case 10: + return emitJsxText(node); + case 244: + return emitJsxOpeningElement(node); + case 245: + return emitJsxClosingElement(node); + case 246: + return emitJsxAttribute(node); + case 247: + return emitJsxSpreadAttribute(node); + case 248: + return emitJsxExpression(node); + case 249: + return emitCaseClause(node); + case 250: + return emitDefaultClause(node); + case 251: + return emitHeritageClause(node); + case 252: + return emitCatchClause(node); + case 253: + return emitPropertyAssignment(node); + case 254: + return emitShorthandPropertyAssignment(node); + case 255: + return emitEnumMember(node); + } + if (ts.isExpression(node)) { + return pipelineEmitWithSubstitution(1, node); } - var allDiagnostics = []; - ts.forEach(program.getSourceFiles(), function (sourceFile) { - if (cancellationToken) { - cancellationToken.throwIfCancellationRequested(); - } - ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); - }); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); } - function getSyntacticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + function pipelineEmitInExpressionContext(node) { + var kind = node.kind; + switch (kind) { + case 8: + return emitNumericLiteral(node); + case 9: + case 11: + case 12: + return emitLiteral(node); + case 70: + return emitIdentifier(node); + case 85: + case 94: + case 96: + case 100: + case 98: + writeTokenText(kind); + return; + case 171: + return emitArrayLiteralExpression(node); + case 172: + return emitObjectLiteralExpression(node); + case 173: + return emitPropertyAccessExpression(node); + case 174: + return emitElementAccessExpression(node); + case 175: + return emitCallExpression(node); + case 176: + return emitNewExpression(node); + case 177: + return emitTaggedTemplateExpression(node); + case 178: + return emitTypeAssertionExpression(node); + case 179: + return emitParenthesizedExpression(node); + case 180: + return emitFunctionExpression(node); + case 181: + return emitArrowFunction(node); + case 182: + return emitDeleteExpression(node); + case 183: + return emitTypeOfExpression(node); + case 184: + return emitVoidExpression(node); + case 185: + return emitAwaitExpression(node); + case 186: + return emitPrefixUnaryExpression(node); + case 187: + return emitPostfixUnaryExpression(node); + case 188: + return emitBinaryExpression(node); + case 189: + return emitConditionalExpression(node); + case 190: + return emitTemplateExpression(node); + case 191: + return emitYieldExpression(node); + case 192: + return emitSpreadElementExpression(node); + case 193: + return emitClassExpression(node); + case 194: + return; + case 196: + return emitAsExpression(node); + case 197: + return emitNonNullExpression(node); + case 242: + return emitJsxElement(node); + case 243: + return emitJsxSelfClosingElement(node); + case 288: + return emitPartiallyEmittedExpression(node); + } } - function getSemanticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + function emitNumericLiteral(node) { + emitLiteral(node); + if (node.trailingComment) { + write(" /*" + node.trailingComment + "*/"); + } } - function getDeclarationDiagnostics(sourceFile, cancellationToken) { - var options = program.getCompilerOptions(); - if (!sourceFile || options.out || options.outFile) { - return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + function emitLiteral(node) { + var text = getLiteralTextOfNode(node); + if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) + && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { + writer.writeLiteral(text); + } + else { + write(text); + } + } + function emitIdentifier(node) { + if (ts.getEmitFlags(node) & 16) { + writeLines(umdHelper); } else { - return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); + write(getTextOfNode(node, false)); } } - function getSyntacticDiagnosticsForFile(sourceFile) { - return sourceFile.parseDiagnostics; + function emitQualifiedName(node) { + emitEntityName(node.left); + write("."); + emit(node.right); } - function runWithCancellationToken(func) { - try { - return func(); + function emitEntityName(node) { + if (node.kind === 70) { + emitExpression(node); } - catch (e) { - if (e instanceof ts.OperationCanceledException) { - noDiagnosticsTypeChecker = undefined; - diagnosticsProducingTypeChecker = undefined; - } - throw e; + else { + emit(node); } } - function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var typeChecker = getDiagnosticsProducingTypeChecker(); - ts.Debug.assert(!!sourceFile.bindDiagnostics); - var bindDiagnostics = sourceFile.bindDiagnostics; - var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? - getJavaScriptSemanticDiagnosticsForFile(sourceFile) : - typeChecker.getDiagnostics(sourceFile, cancellationToken); - var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); - var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); - return bindDiagnostics.concat(checkDiagnostics, fileProcessingDiagnosticsInFile, programDiagnosticsInFile); - }); + function emitComputedPropertyName(node) { + write("["); + emitExpression(node.expression); + write("]"); } - function getJavaScriptSemanticDiagnosticsForFile(sourceFile) { - return runWithCancellationToken(function () { - var diagnostics = []; - walk(sourceFile); - return diagnostics; - function walk(node) { - if (!node) { - return false; - } - switch (node.kind) { - case 230: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); - return true; - case 236: - if (node.isExportEquals) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 222: - var classDeclaration = node; - if (checkModifiers(classDeclaration.modifiers) || - checkTypeParameters(classDeclaration.typeParameters)) { - return true; - } - break; - case 251: - var heritageClause = node; - if (heritageClause.token === 107) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 223: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 226: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 224: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); - return true; - case 148: - case 147: - case 149: - case 150: - case 151: - case 180: - case 221: - case 181: - case 221: - var functionDeclaration = node; - if (checkModifiers(functionDeclaration.modifiers) || - checkTypeParameters(functionDeclaration.typeParameters) || - checkTypeAnnotation(functionDeclaration.type)) { - return true; - } - break; - case 201: - var variableStatement = node; - if (checkModifiers(variableStatement.modifiers)) { - return true; - } - break; - case 219: - var variableDeclaration = node; - if (checkTypeAnnotation(variableDeclaration.type)) { - return true; - } - break; - case 175: - case 176: - var expression = node; - if (expression.typeArguments && expression.typeArguments.length > 0) { - var start = expression.typeArguments.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start, expression.typeArguments.end - start, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 143: - var parameter = node; - if (parameter.modifiers) { - var start = parameter.modifiers.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start, parameter.modifiers.end - start, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); - return true; - } - if (parameter.questionToken) { - diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); - return true; - } - if (parameter.type) { - diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 146: - var propertyDeclaration = node; - if (propertyDeclaration.modifiers) { - for (var _i = 0, _a = propertyDeclaration.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - if (modifier.kind !== 114) { - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - } - } - } - if (checkTypeAnnotation(node.type)) { - return true; - } - break; - case 225: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 178: - var typeAssertionExpression = node; - diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); - return true; - case 144: - if (!options.experimentalDecorators) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); - } - return true; - } - return ts.forEachChild(node, walk); - } - function checkTypeParameters(typeParameters) { - if (typeParameters) { - var start = typeParameters.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start, typeParameters.end - start, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkTypeAnnotation(type) { - if (type) { - diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkModifiers(modifiers) { - if (modifiers) { - for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { - var modifier = modifiers_1[_i]; - switch (modifier.kind) { - case 113: - case 111: - case 112: - case 129: - case 123: - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - case 114: - case 83: - case 75: - case 78: - case 116: - } - } - } - return false; - } - }); + function emitTypeParameter(node) { + emit(node.name); + emitWithPrefix(" extends ", node.constraint); } - function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); - var writeFile = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile); - }); + function emitParameter(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeIfPresent(node.dotDotDotToken, "..."); + emit(node.name); + writeIfPresent(node.questionToken, "?"); + emitExpressionWithPrefix(" = ", node.initializer); + emitWithPrefix(": ", node.type); } - function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { - return ts.isDeclarationFile(sourceFile) ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + function emitDecorator(decorator) { + write("@"); + emitExpression(decorator.expression); } - function getOptionsDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); - ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + function emitPropertySignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + writeIfPresent(node.questionToken, "?"); + emitWithPrefix(": ", node.type); + write(";"); } - function getGlobalDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + function emitPropertyDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + emitWithPrefix(": ", node.type); + emitExpressionWithPrefix(" = ", node.initializer); + write(";"); } - function hasExtension(fileName) { - return ts.getBaseFileName(fileName).indexOf(".") >= 0; + function emitMethodSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + writeIfPresent(node.questionToken, "?"); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function processRootFile(fileName, isDefaultLib) { - processSourceFile(ts.normalizePath(fileName), isDefaultLib); + function emitMethodDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeIfPresent(node.asteriskToken, "*"); + emit(node.name); + emitSignatureAndBody(node, emitSignatureHead); } - function fileReferenceIsEqualTo(a, b) { - return a.fileName === b.fileName; + function emitConstructor(node) { + emitModifiers(node, node.modifiers); + write("constructor"); + emitSignatureAndBody(node, emitSignatureHead); } - function moduleNameIsEqualTo(a, b) { - return a.text === b.text; + function emitAccessorDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write(node.kind === 150 ? "get " : "set "); + emit(node.name); + emitSignatureAndBody(node, emitSignatureHead); } - function getTextOfLiteral(literal) { - return literal.text; + function emitCallSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function collectExternalModuleReferences(file) { - if (file.imports) { - return; - } - var isJavaScriptFile = ts.isSourceFileJavaScript(file); - var isExternalModuleFile = ts.isExternalModule(file); - var imports; - var moduleAugmentations; - if (options.importHelpers - && (options.isolatedModules || isExternalModuleFile) - && !file.isDeclarationFile) { - var externalHelpersModuleReference = ts.createNode(9); - externalHelpersModuleReference.text = ts.externalHelpersModuleNameText; - externalHelpersModuleReference.parent = file; - imports = [externalHelpersModuleReference]; - } - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var node = _a[_i]; - collectModuleReferences(node, false); - if (isJavaScriptFile) { - collectRequireCalls(node); - } - } - file.imports = imports || emptyArray; - file.moduleAugmentations = moduleAugmentations || emptyArray; - return; - function collectModuleReferences(node, inAmbientModule) { - switch (node.kind) { - case 231: - case 230: - case 237: - var moduleNameExpr = ts.getExternalModuleName(node); - if (!moduleNameExpr || moduleNameExpr.kind !== 9) { - break; - } - if (!moduleNameExpr.text) { - break; - } - if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { - (imports || (imports = [])).push(moduleNameExpr); - } - break; - case 226: - if (ts.isAmbientModule(node) && (inAmbientModule || ts.hasModifier(node, 2) || ts.isDeclarationFile(file))) { - var moduleName = node.name; - if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { - (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); - } - else if (!inAmbientModule) { - var body = node.body; - if (body) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - collectModuleReferences(statement, true); - } - } - } - } - } - } - function collectRequireCalls(node) { - if (ts.isRequireCall(node, true)) { - (imports || (imports = [])).push(node.arguments[0]); - } - else { - ts.forEachChild(node, collectRequireCalls); - } - } + function emitConstructSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("new "); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { - var diagnosticArgument; - var diagnostic; - if (hasExtension(fileName)) { - if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { - diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; - diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; - } - else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { - diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; - diagnosticArgument = [fileName]; - } - } - else { - var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); - if (!nonTsFile) { - if (options.allowNonTsExtensions) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { - diagnostic = ts.Diagnostics.File_0_not_found; - fileName += ".ts"; - diagnosticArgument = [fileName]; - } - } - } - if (diagnostic) { - if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); - } - } + function emitIndexSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitParametersForIndexSignature(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } + function emitSemicolonClassElement() { + write(";"); } - function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { - if (filesByName.contains(path)) { - var file_1 = filesByName.get(path); - if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { - reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); - } - if (file_1 && sourceFilesFoundSearchingNodeModules[file_1.path] && currentNodeModulesDepth == 0) { - sourceFilesFoundSearchingNodeModules[file_1.path] = false; - if (!options.noResolve) { - processReferencedFiles(file_1, isDefaultLib); - processTypeReferenceDirectives(file_1); - } - modulesWithElidedImports[file_1.path] = false; - processImportedModules(file_1); - } - else if (file_1 && modulesWithElidedImports[file_1.path]) { - if (currentNodeModulesDepth < maxNodeModulesJsDepth) { - modulesWithElidedImports[file_1.path] = false; - processImportedModules(file_1); - } - } - return file_1; - } - var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - }); - filesByName.set(path, file); - if (file) { - sourceFilesFoundSearchingNodeModules[path] = (currentNodeModulesDepth > 0); - file.path = path; - if (host.useCaseSensitiveFileNames()) { - var existingFile = filesByNameIgnoreCase.get(path); - if (existingFile) { - reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); - } - else { - filesByNameIgnoreCase.set(path, file); - } - } - skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; - if (!options.noResolve) { - processReferencedFiles(file, isDefaultLib); - processTypeReferenceDirectives(file); - } - processImportedModules(file); - if (isDefaultLib) { - files.unshift(file); - } - else { - files.push(file); - } - } - return file; + function emitTypePredicate(node) { + emit(node.parameterName); + write(" is "); + emit(node.type); + } + function emitTypeReference(node) { + emit(node.typeName); + emitTypeArguments(node, node.typeArguments); + } + function emitFunctionType(node) { + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + write(" => "); + emit(node.type); + } + function emitConstructorType(node) { + write("new "); + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + write(" => "); + emit(node.type); + } + function emitTypeQuery(node) { + write("typeof "); + emit(node.exprName); + } + function emitTypeLiteral(node) { + write("{"); + emitList(node, node.members, 65); + write("}"); + } + function emitArrayType(node) { + emit(node.elementType); + write("[]"); + } + function emitTupleType(node) { + write("["); + emitList(node, node.elementTypes, 336); + write("]"); } - function processReferencedFiles(file, isDefaultLib) { - ts.forEach(file.referencedFiles, function (ref) { - var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); - processSourceFile(referencedFileName, isDefaultLib, file, ref.pos, ref.end); - }); + function emitUnionType(node) { + emitList(node, node.types, 260); } - function processTypeReferenceDirectives(file) { - var typeDirectives = ts.map(file.typeReferenceDirectives, function (ref) { return ref.fileName.toLocaleLowerCase(); }); - var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file.fileName); - for (var i = 0; i < typeDirectives.length; i++) { - var ref = file.typeReferenceDirectives[i]; - var resolvedTypeReferenceDirective = resolutions[i]; - var fileName = ref.fileName.toLocaleLowerCase(); - ts.setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective); - processTypeReferenceDirective(fileName, resolvedTypeReferenceDirective, file, ref.pos, ref.end); - } + function emitIntersectionType(node) { + emitList(node, node.types, 264); } - function processTypeReferenceDirective(typeReferenceDirective, resolvedTypeReferenceDirective, refFile, refPos, refEnd) { - var previousResolution = resolvedTypeReferenceDirectives[typeReferenceDirective]; - if (previousResolution && previousResolution.primary) { - return; - } - var saveResolution = true; - if (resolvedTypeReferenceDirective) { - if (resolvedTypeReferenceDirective.primary) { - processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); - } - else { - if (previousResolution) { - var otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName); - if (otherFileText !== getSourceFile(previousResolution.resolvedFileName).text) { - fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName)); - } - saveResolution = false; - } - else { - processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); - } - } + function emitParenthesizedType(node) { + write("("); + emit(node.type); + write(")"); + } + function emitThisType() { + write("this"); + } + function emitLiteralType(node) { + emitExpression(node.literal); + } + function emitObjectBindingPattern(node) { + var elements = node.elements; + if (elements.length === 0) { + write("{}"); } else { - fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Cannot_find_type_definition_file_for_0, typeReferenceDirective)); - } - if (saveResolution) { - resolvedTypeReferenceDirectives[typeReferenceDirective] = resolvedTypeReferenceDirective; + write("{"); + emitList(node, elements, 432); + write("}"); } } - function createDiagnostic(refFile, refPos, refEnd, message) { - var args = []; - for (var _i = 4; _i < arguments.length; _i++) { - args[_i - 4] = arguments[_i]; - } - if (refFile === undefined || refPos === undefined || refEnd === undefined) { - return ts.createCompilerDiagnostic.apply(void 0, [message].concat(args)); + function emitArrayBindingPattern(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); } else { - return ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, message].concat(args)); + write("["); + emitList(node, node.elements, 304); + write("]"); } } - function getCanonicalFileName(fileName) { - return host.getCanonicalFileName(fileName); + function emitBindingElement(node) { + emitWithSuffix(node.propertyName, ": "); + writeIfPresent(node.dotDotDotToken, "..."); + emit(node.name); + emitExpressionWithPrefix(" = ", node.initializer); } - function processImportedModules(file) { - collectExternalModuleReferences(file); - if (file.imports.length || file.moduleAugmentations.length) { - file.resolvedModules = ts.createMap(); - var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var resolution = resolutions[i]; - ts.setResolvedModule(file, moduleNames[i], resolution); - var isFromNodeModulesSearch = resolution && resolution.isExternalLibraryImport; - var isJsFileFromNodeModules = isFromNodeModulesSearch && ts.hasJavaScriptFileExtension(resolution.resolvedFileName); - if (isFromNodeModulesSearch) { - currentNodeModulesDepth++; - } - var elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModulesJsDepth; - var shouldAddFile = resolution && !options.noResolve && i < file.imports.length && !elideImport; - if (elideImport) { - modulesWithElidedImports[file.path] = true; - } - else if (shouldAddFile) { - findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); - } - if (isFromNodeModulesSearch) { - currentNodeModulesDepth--; - } - } + function emitArrayLiteralExpression(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); } else { - file.resolvedModules = undefined; + var preferNewLine = node.multiLine ? 32768 : 0; + emitExpressionList(node, elements, 4466 | preferNewLine); } - return; } - function computeCommonSourceDirectory(sourceFiles) { - var fileNames = []; - for (var _i = 0, sourceFiles_6 = sourceFiles; _i < sourceFiles_6.length; _i++) { - var file = sourceFiles_6[_i]; - if (!file.isDeclarationFile) { - fileNames.push(file.fileName); - } + function emitObjectLiteralExpression(node) { + var properties = node.properties; + if (properties.length === 0) { + write("{}"); } - return computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName); - } - function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { - var allFilesBelongToPath = true; - if (sourceFiles) { - var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); - for (var _i = 0, sourceFiles_7 = sourceFiles; _i < sourceFiles_7.length; _i++) { - var sourceFile = sourceFiles_7[_i]; - if (!ts.isDeclarationFile(sourceFile)) { - var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); - if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); - allFilesBelongToPath = false; - } - } + else { + var indentedFlag = ts.getEmitFlags(node) & 524288; + if (indentedFlag) { + increaseIndent(); + } + var preferNewLine = node.multiLine ? 32768 : 0; + var allowTrailingComma = languageVersion >= 1 ? 32 : 0; + emitList(node, properties, 978 | allowTrailingComma | preferNewLine); + if (indentedFlag) { + decreaseIndent(); } } - return allFilesBelongToPath; } - function verifyCompilerOptions() { - if (options.isolatedModules) { - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); - } - if (options.noEmitOnError) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); - } - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); - } + function emitPropertyAccessExpression(node) { + var indentBeforeDot = false; + var indentAfterDot = false; + if (!(ts.getEmitFlags(node) & 1048576)) { + var dotRangeStart = node.expression.end; + var dotRangeEnd = ts.skipTrivia(currentText, node.expression.end) + 1; + var dotToken = { kind: 22, pos: dotRangeStart, end: dotRangeEnd }; + indentBeforeDot = needsIndentation(node, node.expression, dotToken); + indentAfterDot = needsIndentation(node, dotToken, node.name); } - if (options.inlineSourceMap) { - if (options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); - } - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); - } + emitExpression(node.expression); + increaseIndentIf(indentBeforeDot); + var shouldEmitDotDot = !indentBeforeDot && needsDotDotForPropertyAccess(node.expression); + write(shouldEmitDotDot ? ".." : "."); + increaseIndentIf(indentAfterDot); + emit(node.name); + decreaseIndentIf(indentBeforeDot, indentAfterDot); + } + function needsDotDotForPropertyAccess(expression) { + if (expression.kind === 8) { + var text = getLiteralTextOfNode(expression); + return text.indexOf(ts.tokenToString(22)) < 0; } - if (options.paths && options.baseUrl === undefined) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option)); + else if (ts.isPropertyAccessExpression(expression) || ts.isElementAccessExpression(expression)) { + var constantValue = ts.getConstantValue(expression); + return isFinite(constantValue) + && Math.floor(constantValue) === constantValue + && compilerOptions.removeComments; } - if (options.paths) { - for (var key in options.paths) { - if (!ts.hasProperty(options.paths, key)) { - continue; - } - if (!ts.hasZeroOrOneAsteriskCharacter(key)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key)); - } - if (ts.isArray(options.paths[key])) { - if (options.paths[key].length === 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key)); - } - for (var _i = 0, _a = options.paths[key]; _i < _a.length; _i++) { - var subst = _a[_i]; - var typeOfSubst = typeof subst; - if (typeOfSubst === "string") { - if (!ts.hasZeroOrOneAsteriskCharacter(subst)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key)); - } - } - else { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst)); - } - } - } - else { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key)); - } - } + } + function emitElementAccessExpression(node) { + emitExpression(node.expression); + write("["); + emitExpression(node.argumentExpression); + write("]"); + } + function emitCallExpression(node) { + emitExpression(node.expression); + emitTypeArguments(node, node.typeArguments); + emitExpressionList(node, node.arguments, 1296); + } + function emitNewExpression(node) { + write("new "); + emitExpression(node.expression); + emitTypeArguments(node, node.typeArguments); + emitExpressionList(node, node.arguments, 9488); + } + function emitTaggedTemplateExpression(node) { + emitExpression(node.tag); + write(" "); + emitExpression(node.template); + } + function emitTypeAssertionExpression(node) { + if (node.type) { + write("<"); + emit(node.type); + write(">"); } - if (!options.sourceMap && !options.inlineSourceMap) { - if (options.inlineSources) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources")); - } - if (options.sourceRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot")); - } + emitExpression(node.expression); + } + function emitParenthesizedExpression(node) { + write("("); + emitExpression(node.expression); + write(")"); + } + function emitFunctionExpression(node) { + emitFunctionDeclarationOrExpression(node); + } + function emitArrowFunction(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitSignatureAndBody(node, emitArrowFunctionHead); + } + function emitArrowFunctionHead(node) { + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + emitWithPrefix(": ", node.type); + write(" =>"); + } + function emitDeleteExpression(node) { + write("delete "); + emitExpression(node.expression); + } + function emitTypeOfExpression(node) { + write("typeof "); + emitExpression(node.expression); + } + function emitVoidExpression(node) { + write("void "); + emitExpression(node.expression); + } + function emitAwaitExpression(node) { + write("await "); + emitExpression(node.expression); + } + function emitPrefixUnaryExpression(node) { + writeTokenText(node.operator); + if (shouldEmitWhitespaceBeforeOperand(node)) { + write(" "); } - if (options.out && options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + emitExpression(node.operand); + } + function shouldEmitWhitespaceBeforeOperand(node) { + var operand = node.operand; + return operand.kind === 186 + && ((node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) + || (node.operator === 37 && (operand.operator === 37 || operand.operator === 43))); + } + function emitPostfixUnaryExpression(node) { + emitExpression(node.operand); + writeTokenText(node.operator); + } + function emitBinaryExpression(node) { + var isCommaOperator = node.operatorToken.kind !== 25; + var indentBeforeOperator = needsIndentation(node, node.left, node.operatorToken); + var indentAfterOperator = needsIndentation(node, node.operatorToken, node.right); + emitExpression(node.left); + increaseIndentIf(indentBeforeOperator, isCommaOperator ? " " : undefined); + writeTokenText(node.operatorToken.kind); + increaseIndentIf(indentAfterOperator, " "); + emitExpression(node.right); + decreaseIndentIf(indentBeforeOperator, indentAfterOperator); + } + function emitConditionalExpression(node) { + var indentBeforeQuestion = needsIndentation(node, node.condition, node.questionToken); + var indentAfterQuestion = needsIndentation(node, node.questionToken, node.whenTrue); + var indentBeforeColon = needsIndentation(node, node.whenTrue, node.colonToken); + var indentAfterColon = needsIndentation(node, node.colonToken, node.whenFalse); + emitExpression(node.condition); + increaseIndentIf(indentBeforeQuestion, " "); + write("?"); + increaseIndentIf(indentAfterQuestion, " "); + emitExpression(node.whenTrue); + decreaseIndentIf(indentBeforeQuestion, indentAfterQuestion); + increaseIndentIf(indentBeforeColon, " "); + write(":"); + increaseIndentIf(indentAfterColon, " "); + emitExpression(node.whenFalse); + decreaseIndentIf(indentBeforeColon, indentAfterColon); + } + function emitTemplateExpression(node) { + emit(node.head); + emitList(node, node.templateSpans, 131072); + } + function emitYieldExpression(node) { + write(node.asteriskToken ? "yield*" : "yield"); + emitExpressionWithPrefix(" ", node.expression); + } + function emitSpreadElementExpression(node) { + write("..."); + emitExpression(node.expression); + } + function emitClassExpression(node) { + emitClassDeclarationOrExpression(node); + } + function emitExpressionWithTypeArguments(node) { + emitExpression(node.expression); + emitTypeArguments(node, node.typeArguments); + } + function emitAsExpression(node) { + emitExpression(node.expression); + if (node.type) { + write(" as "); + emit(node.type); } - if (options.mapRoot && !options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + function emitNonNullExpression(node) { + emitExpression(node.expression); + write("!"); + } + function emitTemplateSpan(node) { + emitExpression(node.expression); + emit(node.literal); + } + function emitBlock(node) { + if (isSingleLineEmptyBlock(node)) { + writeToken(16, node.pos, node); + write(" "); + writeToken(17, node.statements.end, node); } - if (options.declarationDir) { - if (!options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "declarationDir", "declaration")); - } - if (options.out || options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile")); - } + else { + writeToken(16, node.pos, node); + emitBlockStatements(node); + writeToken(17, node.statements.end, node); } - if (options.lib && options.noLib) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib")); + } + function emitBlockStatements(node) { + if (ts.getEmitFlags(node) & 32) { + emitList(node, node.statements, 384); } - if (options.noImplicitUseStrict && options.alwaysStrict) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict")); + else { + emitList(node, node.statements, 65); } - var languageVersion = options.target || 0; - var outFile = options.outFile || options.out; - var firstNonAmbientExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (options.isolatedModules) { - if (options.module === ts.ModuleKind.None && languageVersion < 2) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + function emitVariableStatement(node) { + emitModifiers(node, node.modifiers); + emit(node.declarationList); + write(";"); + } + function emitEmptyStatement() { + write(";"); + } + function emitExpressionStatement(node) { + emitExpression(node.expression); + write(";"); + } + function emitIfStatement(node) { + var openParenPos = writeToken(89, node.pos, node); + write(" "); + writeToken(18, openParenPos, node); + emitExpression(node.expression); + writeToken(19, node.expression.end, node); + emitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + writeLine(); + writeToken(81, node.thenStatement.end, node); + if (node.elseStatement.kind === 204) { + write(" "); + emit(node.elseStatement); } - var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (firstNonExternalModuleSourceFile) { - var span_7 = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); - programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span_7.start, span_7.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + else { + emitEmbeddedStatement(node.elseStatement); } } - else if (firstNonAmbientExternalModuleSourceFile && languageVersion < 2 && options.module === ts.ModuleKind.None) { - var span_8 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_8.start, span_8.length, ts.Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none)); + } + function emitDoStatement(node) { + write("do"); + emitEmbeddedStatement(node.statement); + if (ts.isBlock(node.statement)) { + write(" "); } - if (outFile) { - if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); - } - else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) { - var span_9 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_9.start, span_9.length, ts.Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile")); - } + else { + writeLine(); } - if (options.outDir || - options.sourceRoot || - options.mapRoot) { - var dir = getCommonSourceDirectory(); - if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + write("while ("); + emitExpression(node.expression); + write(");"); + } + function emitWhileStatement(node) { + write("while ("); + emitExpression(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitForStatement(node) { + var openParenPos = writeToken(87, node.pos); + write(" "); + writeToken(18, openParenPos, node); + emitForBinding(node.initializer); + write(";"); + emitExpressionWithPrefix(" ", node.condition); + write(";"); + emitExpressionWithPrefix(" ", node.incrementor); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitForInStatement(node) { + var openParenPos = writeToken(87, node.pos); + write(" "); + writeToken(18, openParenPos); + emitForBinding(node.initializer); + write(" in "); + emitExpression(node.expression); + writeToken(19, node.expression.end); + emitEmbeddedStatement(node.statement); + } + function emitForOfStatement(node) { + var openParenPos = writeToken(87, node.pos); + write(" "); + writeToken(18, openParenPos); + emitForBinding(node.initializer); + write(" of "); + emitExpression(node.expression); + writeToken(19, node.expression.end); + emitEmbeddedStatement(node.statement); + } + function emitForBinding(node) { + if (node !== undefined) { + if (node.kind === 220) { + emit(node); } - } - if (!options.noEmit && options.allowJs && options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); - } - if (options.emitDecoratorMetadata && - !options.experimentalDecorators) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); - } - if (options.reactNamespace && !ts.isIdentifierText(options.reactNamespace, languageVersion)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); - } - if (!options.noEmit && !options.suppressOutputPathCheck) { - var emitHost = getEmitHost(); - var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); - ts.forEachExpectedEmitFile(emitHost, function (emitFileNames) { - verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); - verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); - }); - } - function verifyEmitFilePath(emitFileName, emitFilesSeen) { - if (emitFileName) { - var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); - if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); - } - if (emitFilesSeen.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); - } - else { - emitFilesSeen.set(emitFilePath, true); - } + else { + emitExpression(node); } } } - function createEmitBlockingDiagnostics(emitFileName, message) { - hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + function emitContinueStatement(node) { + writeToken(76, node.pos); + emitWithPrefix(" ", node.label); + write(";"); } - } - ts.createProgram = createProgram; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" }; - ts.optionDeclarations = [ - { - name: "charset", - type: "string", - }, - ts.compileOnSaveCommandLineOption, - { - name: "declaration", - shortName: "d", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_d_ts_file, - }, - { - name: "declarationDir", - type: "string", - isFilePath: true, - paramType: ts.Diagnostics.DIRECTORY, - }, - { - name: "diagnostics", - type: "boolean", - }, - { - name: "extendedDiagnostics", - type: "boolean", - experimental: true - }, - { - name: "emitBOM", - type: "boolean" - }, - { - name: "help", - shortName: "h", - type: "boolean", - description: ts.Diagnostics.Print_this_message, - }, - { - name: "help", - shortName: "?", - type: "boolean" - }, - { - name: "init", - type: "boolean", - description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file, - }, - { - name: "inlineSourceMap", - type: "boolean", - }, - { - name: "inlineSources", - type: "boolean", - }, - { - name: "jsx", - type: ts.createMap({ - "preserve": 1, - "react": 2 - }), - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, - }, - { - name: "reactNamespace", - type: "string", - description: ts.Diagnostics.Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit - }, - { - name: "listFiles", - type: "boolean", - }, - { - name: "locale", - type: "string", - }, - { - name: "mapRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, - paramType: ts.Diagnostics.LOCATION, - }, - { - name: "module", - shortName: "m", - type: ts.createMap({ - "none": ts.ModuleKind.None, - "commonjs": ts.ModuleKind.CommonJS, - "amd": ts.ModuleKind.AMD, - "system": ts.ModuleKind.System, - "umd": ts.ModuleKind.UMD, - "es6": ts.ModuleKind.ES2015, - "es2015": ts.ModuleKind.ES2015, - }), - description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, - paramType: ts.Diagnostics.KIND, - }, - { - name: "newLine", - type: ts.createMap({ - "crlf": 0, - "lf": 1 - }), - description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, - paramType: ts.Diagnostics.NEWLINE, - }, - { - name: "noEmit", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs, - }, - { - name: "noEmitHelpers", - type: "boolean" - }, - { - name: "noEmitOnError", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported, - }, - { - name: "noErrorTruncation", - type: "boolean" - }, - { - name: "noImplicitAny", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type, - }, - { - name: "noImplicitThis", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type, - }, - { - name: "noUnusedLocals", - type: "boolean", - description: ts.Diagnostics.Report_errors_on_unused_locals, - }, - { - name: "noUnusedParameters", - type: "boolean", - description: ts.Diagnostics.Report_errors_on_unused_parameters, - }, - { - name: "noLib", - type: "boolean", - }, - { - name: "noResolve", - type: "boolean", - }, - { - name: "skipDefaultLibCheck", - type: "boolean", - }, - { - name: "skipLibCheck", - type: "boolean", - description: ts.Diagnostics.Skip_type_checking_of_declaration_files, - }, - { - name: "out", - type: "string", - isFilePath: false, - paramType: ts.Diagnostics.FILE, - }, - { - name: "outFile", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, - paramType: ts.Diagnostics.FILE, - }, - { - name: "outDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Redirect_output_structure_to_the_directory, - paramType: ts.Diagnostics.DIRECTORY, - }, - { - name: "preserveConstEnums", - type: "boolean", - description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code - }, - { - name: "pretty", - description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, - type: "boolean" - }, - { - name: "project", - shortName: "p", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Compile_the_project_in_the_given_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "removeComments", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_comments_to_output, - }, - { - name: "rootDir", - type: "string", - isFilePath: true, - paramType: ts.Diagnostics.LOCATION, - description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, - }, - { - name: "isolatedModules", - type: "boolean", - }, - { - name: "sourceMap", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_map_file, - }, - { - name: "sourceRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, - paramType: ts.Diagnostics.LOCATION, - }, - { - name: "suppressExcessPropertyErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, - experimental: true - }, - { - name: "suppressImplicitAnyIndexErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures, - }, - { - name: "stripInternal", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, - experimental: true - }, - { - name: "target", - shortName: "t", - type: ts.createMap({ - "es3": 0, - "es5": 1, - "es6": 2, - "es2015": 2, - "es2016": 3, - "es2017": 4, - }), - description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015, - paramType: ts.Diagnostics.VERSION, - }, - { - name: "version", - shortName: "v", - type: "boolean", - description: ts.Diagnostics.Print_the_compiler_s_version, - }, - { - name: "watch", - shortName: "w", - type: "boolean", - description: ts.Diagnostics.Watch_input_files, - }, - { - name: "experimentalDecorators", - type: "boolean", - description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators - }, - { - name: "emitDecoratorMetadata", - type: "boolean", - experimental: true, - description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators - }, - { - name: "moduleResolution", - type: ts.createMap({ - "node": ts.ModuleResolutionKind.NodeJs, - "classic": ts.ModuleResolutionKind.Classic, - }), - description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, - paramType: ts.Diagnostics.STRATEGY, - }, - { - name: "allowUnusedLabels", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unused_labels - }, - { - name: "noImplicitReturns", - type: "boolean", - description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value - }, - { - name: "noFallthroughCasesInSwitch", - type: "boolean", - description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement - }, - { - name: "allowUnreachableCode", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code - }, - { - name: "forceConsistentCasingInFileNames", - type: "boolean", - description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file - }, - { - name: "baseUrl", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names - }, - { - name: "paths", - type: "object", - isTSConfigOnly: true - }, - { - name: "rootDirs", - type: "list", - isTSConfigOnly: true, - element: { - name: "rootDirs", - type: "string", - isFilePath: true - } - }, - { - name: "typeRoots", - type: "list", - element: { - name: "typeRoots", - type: "string", - isFilePath: true - } - }, - { - name: "types", - type: "list", - element: { - name: "types", - type: "string" - }, - description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation - }, - { - name: "traceResolution", - type: "boolean", - description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process - }, - { - name: "allowJs", - type: "boolean", - description: ts.Diagnostics.Allow_javascript_files_to_be_compiled - }, - { - name: "allowSyntheticDefaultImports", - type: "boolean", - description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking - }, - { - name: "noImplicitUseStrict", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output - }, - { - name: "maxNodeModuleJsDepth", - type: "number", - description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files - }, - { - name: "listEmittedFiles", - type: "boolean" - }, - { - name: "lib", - type: "list", - element: { - name: "lib", - type: ts.createMap({ - "es5": "lib.es5.d.ts", - "es6": "lib.es2015.d.ts", - "es2015": "lib.es2015.d.ts", - "es7": "lib.es2016.d.ts", - "es2016": "lib.es2016.d.ts", - "es2017": "lib.es2017.d.ts", - "dom": "lib.dom.d.ts", - "dom.iterable": "lib.dom.iterable.d.ts", - "webworker": "lib.webworker.d.ts", - "scripthost": "lib.scripthost.d.ts", - "es2015.core": "lib.es2015.core.d.ts", - "es2015.collection": "lib.es2015.collection.d.ts", - "es2015.generator": "lib.es2015.generator.d.ts", - "es2015.iterable": "lib.es2015.iterable.d.ts", - "es2015.promise": "lib.es2015.promise.d.ts", - "es2015.proxy": "lib.es2015.proxy.d.ts", - "es2015.reflect": "lib.es2015.reflect.d.ts", - "es2015.symbol": "lib.es2015.symbol.d.ts", - "es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts", - "es2016.array.include": "lib.es2016.array.include.d.ts", - "es2017.object": "lib.es2017.object.d.ts", - "es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts" - }), - }, - description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon - }, - { - name: "disableSizeLimit", - type: "boolean" - }, - { - name: "strictNullChecks", - type: "boolean", - description: ts.Diagnostics.Enable_strict_null_checks - }, - { - name: "importHelpers", - type: "boolean", - description: ts.Diagnostics.Import_emit_helpers_from_tslib - }, - { - name: "alwaysStrict", - type: "boolean", - description: ts.Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file + function emitBreakStatement(node) { + writeToken(71, node.pos); + emitWithPrefix(" ", node.label); + write(";"); + } + function emitReturnStatement(node) { + writeToken(95, node.pos, node); + emitExpressionWithPrefix(" ", node.expression); + write(";"); + } + function emitWithStatement(node) { + write("with ("); + emitExpression(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitSwitchStatement(node) { + var openParenPos = writeToken(97, node.pos); + write(" "); + writeToken(18, openParenPos); + emitExpression(node.expression); + writeToken(19, node.expression.end); + write(" "); + emit(node.caseBlock); } - ]; - ts.typingOptionDeclarations = [ - { - name: "enableAutoDiscovery", - type: "boolean", - }, - { - name: "include", - type: "list", - element: { - name: "include", - type: "string" - } - }, - { - name: "exclude", - type: "list", - element: { - name: "exclude", - type: "string" - } + function emitLabeledStatement(node) { + emit(node.label); + write(": "); + emit(node.statement); } - ]; - ts.defaultInitCompilerOptions = { - module: ts.ModuleKind.CommonJS, - target: 1, - noImplicitAny: false, - sourceMap: false, - }; - var optionNameMapCache; - function getOptionNameMap() { - if (optionNameMapCache) { - return optionNameMapCache; + function emitThrowStatement(node) { + write("throw"); + emitExpressionWithPrefix(" ", node.expression); + write(";"); } - var optionNameMap = ts.createMap(); - var shortOptionNames = ts.createMap(); - ts.forEach(ts.optionDeclarations, function (option) { - optionNameMap[option.name.toLowerCase()] = option; - if (option.shortName) { - shortOptionNames[option.shortName] = option.name; + function emitTryStatement(node) { + write("try "); + emit(node.tryBlock); + emit(node.catchClause); + if (node.finallyBlock) { + writeLine(); + write("finally "); + emit(node.finallyBlock); } - }); - optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; - return optionNameMapCache; - } - ts.getOptionNameMap = getOptionNameMap; - function createCompilerDiagnosticForInvalidCustomType(opt) { - var namesOfType = Object.keys(opt.type).map(function (key) { return "'" + key + "'"; }).join(", "); - return ts.createCompilerDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType); - } - ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType; - function parseCustomTypeOption(opt, value, errors) { - var key = trimString((value || "")).toLowerCase(); - var map = opt.type; - if (key in map) { - return map[key]; } - else { - errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); + function emitDebuggerStatement(node) { + writeToken(77, node.pos); + write(";"); } - } - ts.parseCustomTypeOption = parseCustomTypeOption; - function parseListTypeOption(opt, value, errors) { - if (value === void 0) { value = ""; } - value = trimString(value); - if (ts.startsWith(value, "-")) { - return undefined; + function emitVariableDeclaration(node) { + emit(node.name); + emitWithPrefix(": ", node.type); + emitExpressionWithPrefix(" = ", node.initializer); } - if (value === "") { - return []; + function emitVariableDeclarationList(node) { + write(ts.isLet(node) ? "let " : ts.isConst(node) ? "const " : "var "); + emitList(node, node.declarations, 272); } - var values = value.split(","); - switch (opt.element.type) { - case "number": - return ts.map(values, parseInt); - case "string": - return ts.map(values, function (v) { return v || ""; }); - default: - return ts.filter(ts.map(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }), function (v) { return !!v; }); + function emitFunctionDeclaration(node) { + emitFunctionDeclarationOrExpression(node); } - } - ts.parseListTypeOption = parseListTypeOption; - function parseCommandLine(commandLine, readFile) { - var options = {}; - var fileNames = []; - var errors = []; - var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; - parseStrings(commandLine); - return { - options: options, - fileNames: fileNames, - errors: errors - }; - function parseStrings(args) { - var i = 0; - while (i < args.length) { - var s = args[i]; - i++; - if (s.charCodeAt(0) === 64) { - parseResponseFile(s.slice(1)); - } - else if (s.charCodeAt(0) === 45) { - s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); - if (s in shortOptionNames) { - s = shortOptionNames[s]; + function emitFunctionDeclarationOrExpression(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write(node.asteriskToken ? "function* " : "function "); + emitIdentifierName(node.name); + emitSignatureAndBody(node, emitSignatureHead); + } + function emitSignatureAndBody(node, emitSignatureHead) { + var body = node.body; + if (body) { + if (ts.isBlock(body)) { + var indentedFlag = ts.getEmitFlags(node) & 524288; + if (indentedFlag) { + increaseIndent(); } - if (s in optionNameMap) { - var opt = optionNameMap[s]; - if (opt.isTSConfigOnly) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name)); - } - else { - if (!args[i] && opt.type !== "boolean") { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); - } - switch (opt.type) { - case "number": - options[opt.name] = parseInt(args[i]); - i++; - break; - case "boolean": - options[opt.name] = true; - break; - case "string": - options[opt.name] = args[i] || ""; - i++; - break; - case "list": - var result = parseListTypeOption(opt, args[i], errors); - options[opt.name] = result || []; - if (result) { - i++; - } - break; - default: - options[opt.name] = parseCustomTypeOption(opt, args[i], errors); - i++; - break; - } - } + if (ts.getEmitFlags(node) & 4194304) { + emitSignatureHead(node); + emitBlockFunctionBody(body); } else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); - } - } - else { - fileNames.push(s); - } - } - } - function parseResponseFile(fileName) { - var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); - if (!text) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); - return; - } - var args = []; - var pos = 0; - while (true) { - while (pos < text.length && text.charCodeAt(pos) <= 32) - pos++; - if (pos >= text.length) - break; - var start = pos; - if (text.charCodeAt(start) === 34) { - pos++; - while (pos < text.length && text.charCodeAt(pos) !== 34) - pos++; - if (pos < text.length) { - args.push(text.substring(start + 1, pos)); - pos++; + var savedTempFlags = tempFlags; + tempFlags = 0; + emitSignatureHead(node); + emitBlockFunctionBody(body); + tempFlags = savedTempFlags; } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + if (indentedFlag) { + decreaseIndent(); } } else { - while (text.charCodeAt(pos) > 32) - pos++; - args.push(text.substring(start, pos)); + emitSignatureHead(node); + write(" "); + emitExpression(body); } } - parseStrings(args); - } - } - ts.parseCommandLine = parseCommandLine; - function readConfigFile(fileName, readFile) { - var text = ""; - try { - text = readFile(fileName); - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; - } - return parseConfigFileTextToJson(fileName, text); - } - ts.readConfigFile = readConfigFile; - function parseConfigFileTextToJson(fileName, jsonText, stripComments) { - if (stripComments === void 0) { stripComments = true; } - try { - var jsonTextToParse = stripComments ? removeComments(jsonText) : jsonText; - return { config: /\S/.test(jsonTextToParse) ? JSON.parse(jsonTextToParse) : {} }; - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + else { + emitSignatureHead(node); + write(";"); + } } - } - ts.parseConfigFileTextToJson = parseConfigFileTextToJson; - function generateTSConfig(options, fileNames) { - var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions); - var configurations = { - compilerOptions: serializeCompilerOptions(compilerOptions) - }; - if (fileNames && fileNames.length) { - configurations.files = fileNames; + function emitSignatureHead(node) { + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); } - return configurations; - function getCustomTypeMapOfCommandLineOption(optionDefinition) { - if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") { - return undefined; + function shouldEmitBlockFunctionBodyOnSingleLine(body) { + if (ts.getEmitFlags(body) & 32) { + return true; } - else if (optionDefinition.type === "list") { - return getCustomTypeMapOfCommandLineOption(optionDefinition.element); + if (body.multiLine) { + return false; } - else { - return optionDefinition.type; + if (!ts.nodeIsSynthesized(body) && !ts.rangeIsOnSingleLine(body, currentSourceFile)) { + return false; } - } - function getNameOfCompilerOptionValue(value, customTypeMap) { - for (var key in customTypeMap) { - if (customTypeMap[key] === value) { - return key; - } + if (shouldWriteLeadingLineTerminator(body, body.statements, 2) + || shouldWriteClosingLineTerminator(body, body.statements, 2)) { + return false; } - return undefined; - } - function serializeCompilerOptions(options) { - var result = ts.createMap(); - var optionsNameMap = getOptionNameMap().optionNameMap; - for (var name_44 in options) { - if (ts.hasProperty(options, name_44)) { - switch (name_44) { - case "init": - case "watch": - case "version": - case "help": - case "project": - break; - default: - var value = options[name_44]; - var optionDefinition = optionsNameMap[name_44.toLowerCase()]; - if (optionDefinition) { - var customTypeMap = getCustomTypeMapOfCommandLineOption(optionDefinition); - if (!customTypeMap) { - result[name_44] = value; - } - else { - if (optionDefinition.type === "list") { - var convertedValue = []; - for (var _i = 0, _a = value; _i < _a.length; _i++) { - var element = _a[_i]; - convertedValue.push(getNameOfCompilerOptionValue(element, customTypeMap)); - } - result[name_44] = convertedValue; - } - else { - result[name_44] = getNameOfCompilerOptionValue(value, customTypeMap); - } - } - } - break; - } + var previousStatement; + for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + if (shouldWriteSeparatingLineTerminator(previousStatement, statement, 2)) { + return false; } + previousStatement = statement; } - return result; + return true; } - } - ts.generateTSConfig = generateTSConfig; - function removeComments(jsonText) { - var output = ""; - var scanner = ts.createScanner(1, false, 0, jsonText); - var token; - while ((token = scanner.scan()) !== 1) { - switch (token) { - case 2: - case 3: - output += scanner.getTokenText().replace(/\S/g, " "); - break; - default: - output += scanner.getTokenText(); - break; - } + function emitBlockFunctionBody(body) { + write(" {"); + increaseIndent(); + emitBodyWithDetachedComments(body, body.statements, shouldEmitBlockFunctionBodyOnSingleLine(body) + ? emitBlockFunctionBodyOnSingleLine + : emitBlockFunctionBodyWorker); + decreaseIndent(); + writeToken(17, body.statements.end, body); } - return output; - } - function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack) { - if (existingOptions === void 0) { existingOptions = {}; } - if (resolutionStack === void 0) { resolutionStack = []; } - var errors = []; - var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); - var resolvedPath = ts.toPath(configFileName || "", basePath, getCanonicalFileName); - if (resolutionStack.indexOf(resolvedPath) >= 0) { - return { - options: {}, - fileNames: [], - typingOptions: {}, - raw: json, - errors: [ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, resolutionStack.concat([resolvedPath]).join(" -> "))], - wildcardDirectories: {} - }; + function emitBlockFunctionBodyOnSingleLine(body) { + emitBlockFunctionBodyWorker(body, true); } - var options = convertCompilerOptionsFromJsonWorker(json["compilerOptions"], basePath, errors, configFileName); - var typingOptions = convertTypingOptionsFromJsonWorker(json["typingOptions"], basePath, errors, configFileName); - if (json["extends"]) { - var _a = [undefined, undefined, undefined, {}], include = _a[0], exclude = _a[1], files = _a[2], baseOptions = _a[3]; - if (typeof json["extends"] === "string") { - _b = (tryExtendsName(json["extends"]) || [include, exclude, files, baseOptions]), include = _b[0], exclude = _b[1], files = _b[2], baseOptions = _b[3]; + function emitBlockFunctionBodyWorker(body, emitBlockFunctionBodyOnSingleLine) { + var statementOffset = emitPrologueDirectives(body.statements, true); + var helpersEmitted = emitHelpers(body); + if (statementOffset === 0 && !helpersEmitted && emitBlockFunctionBodyOnSingleLine) { + decreaseIndent(); + emitList(body, body.statements, 384); + increaseIndent(); } else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string")); - } - if (include && !json["include"]) { - json["include"] = include; - } - if (exclude && !json["exclude"]) { - json["exclude"] = exclude; - } - if (files && !json["files"]) { - json["files"] = files; + emitList(body, body.statements, 1, statementOffset); } - options = ts.assign({}, baseOptions, options); } - options = ts.extend(existingOptions, options); - options.configFilePath = configFileName; - var _c = getFileNames(errors), fileNames = _c.fileNames, wildcardDirectories = _c.wildcardDirectories; - var compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors); - return { - options: options, - fileNames: fileNames, - typingOptions: typingOptions, - raw: json, - errors: errors, - wildcardDirectories: wildcardDirectories, - compileOnSave: compileOnSave - }; - function tryExtendsName(extendedConfig) { - if (!(ts.isRootedDiskPath(extendedConfig) || ts.startsWith(ts.normalizeSlashes(extendedConfig), "./") || ts.startsWith(ts.normalizeSlashes(extendedConfig), "../"))) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_path_in_an_extends_options_must_be_relative_or_rooted)); - return; - } - var extendedConfigPath = ts.toPath(extendedConfig, basePath, getCanonicalFileName); - if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json")) { - extendedConfigPath = extendedConfigPath + ".json"; - if (!host.fileExists(extendedConfigPath)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_does_not_exist, extendedConfig)); - return; - } + function emitClassDeclaration(node) { + emitClassDeclarationOrExpression(node); + } + function emitClassDeclarationOrExpression(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("class"); + emitNodeWithPrefix(" ", node.name, emitIdentifierName); + var indentedFlag = ts.getEmitFlags(node) & 524288; + if (indentedFlag) { + increaseIndent(); } - var extendedResult = readConfigFile(extendedConfigPath, function (path) { return host.readFile(path); }); - if (extendedResult.error) { - errors.push(extendedResult.error); - return; + emitTypeParameters(node, node.typeParameters); + emitList(node, node.heritageClauses, 256); + var savedTempFlags = tempFlags; + tempFlags = 0; + write(" {"); + emitList(node, node.members, 65); + write("}"); + if (indentedFlag) { + decreaseIndent(); } - var extendedDirname = ts.getDirectoryPath(extendedConfigPath); - var relativeDifference = ts.convertToRelativePath(extendedDirname, basePath, getCanonicalFileName); - var updatePath = function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference, path); }; - var result = parseJsonConfigFileContent(extendedResult.config, host, extendedDirname, undefined, ts.getBaseFileName(extendedConfigPath), resolutionStack.concat([resolvedPath])); - errors.push.apply(errors, result.errors); - var _a = ts.map(["include", "exclude", "files"], function (key) { - if (!json[key] && extendedResult.config[key]) { - return ts.map(extendedResult.config[key], updatePath); - } - }), include = _a[0], exclude = _a[1], files = _a[2]; - return [include, exclude, files, result.options]; + tempFlags = savedTempFlags; } - function getFileNames(errors) { - var fileNames; - if (ts.hasProperty(json, "files")) { - if (ts.isArray(json["files"])) { - fileNames = json["files"]; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); - } - } - var includeSpecs; - if (ts.hasProperty(json, "include")) { - if (ts.isArray(json["include"])) { - includeSpecs = json["include"]; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array")); - } + function emitInterfaceDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("interface "); + emit(node.name); + emitTypeParameters(node, node.typeParameters); + emitList(node, node.heritageClauses, 256); + write(" {"); + emitList(node, node.members, 65); + write("}"); + } + function emitTypeAliasDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("type "); + emit(node.name); + emitTypeParameters(node, node.typeParameters); + write(" = "); + emit(node.type); + write(";"); + } + function emitEnumDeclaration(node) { + emitModifiers(node, node.modifiers); + write("enum "); + emit(node.name); + var savedTempFlags = tempFlags; + tempFlags = 0; + write(" {"); + emitList(node, node.members, 81); + write("}"); + tempFlags = savedTempFlags; + } + function emitModuleDeclaration(node) { + emitModifiers(node, node.modifiers); + write(node.flags & 16 ? "namespace " : "module "); + emit(node.name); + var body = node.body; + while (body.kind === 226) { + write("."); + emit(body.name); + body = body.body; } - var excludeSpecs; - if (ts.hasProperty(json, "exclude")) { - if (ts.isArray(json["exclude"])) { - excludeSpecs = json["exclude"]; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array")); - } + write(" "); + emit(body); + } + function emitModuleBlock(node) { + if (isEmptyBlock(node)) { + write("{ }"); } - else if (ts.hasProperty(json, "excludes")) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude)); + else { + var savedTempFlags = tempFlags; + tempFlags = 0; + write("{"); + increaseIndent(); + emitBlockStatements(node); + write("}"); + tempFlags = savedTempFlags; + } + } + function emitCaseBlock(node) { + writeToken(16, node.pos); + emitList(node, node.clauses, 65); + writeToken(17, node.clauses.end); + } + function emitImportEqualsDeclaration(node) { + emitModifiers(node, node.modifiers); + write("import "); + emit(node.name); + write(" = "); + emitModuleReference(node.moduleReference); + write(";"); + } + function emitModuleReference(node) { + if (node.kind === 70) { + emitExpression(node); } else { - excludeSpecs = ["node_modules", "bower_components", "jspm_packages"]; - var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; - if (outDir) { - excludeSpecs.push(outDir); - } + emit(node); } - if (fileNames === undefined && includeSpecs === undefined) { - includeSpecs = ["**/*"]; + } + function emitImportDeclaration(node) { + emitModifiers(node, node.modifiers); + write("import "); + if (node.importClause) { + emit(node.importClause); + write(" from "); } - return matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + emitExpression(node.moduleSpecifier); + write(";"); } - var _b; - } - ts.parseJsonConfigFileContent = parseJsonConfigFileContent; - function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) { - if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) { - return false; + function emitImportClause(node) { + emit(node.name); + if (node.name && node.namedBindings) { + write(", "); + } + emit(node.namedBindings); } - var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors); - if (typeof result === "boolean" && result) { - return result; + function emitNamespaceImport(node) { + write("* as "); + emit(node.name); } - return false; - } - ts.convertCompileOnSaveOptionFromJson = convertCompileOnSaveOptionFromJson; - function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { - var errors = []; - var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); - return { options: options, errors: errors }; - } - ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; - function convertTypingOptionsFromJson(jsonOptions, basePath, configFileName) { - var errors = []; - var options = convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); - return { options: options, errors: errors }; - } - ts.convertTypingOptionsFromJson = convertTypingOptionsFromJson; - function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { - var options = ts.getBaseFileName(configFileName) === "jsconfig.json" - ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true } - : {}; - convertOptionsFromJson(ts.optionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_compiler_option_0, errors); - return options; - } - function convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { - var options = ts.getBaseFileName(configFileName) === "jsconfig.json" - ? { enableAutoDiscovery: true, include: [], exclude: [] } - : { enableAutoDiscovery: false, include: [], exclude: [] }; - convertOptionsFromJson(ts.typingOptionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_typing_option_0, errors); - return options; - } - function convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, defaultOptions, diagnosticMessage, errors) { - if (!jsonOptions) { - return; + function emitNamedImports(node) { + emitNamedImportsOrExports(node); } - var optionNameMap = ts.arrayToMap(optionDeclarations, function (opt) { return opt.name; }); - for (var id in jsonOptions) { - if (id in optionNameMap) { - var opt = optionNameMap[id]; - defaultOptions[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors); + function emitImportSpecifier(node) { + emitImportOrExportSpecifier(node); + } + function emitExportAssignment(node) { + write(node.isExportEquals ? "export = " : "export default "); + emitExpression(node.expression); + write(";"); + } + function emitExportDeclaration(node) { + write("export "); + if (node.exportClause) { + emit(node.exportClause); } else { - errors.push(ts.createCompilerDiagnostic(diagnosticMessage, id)); + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emitExpression(node.moduleSpecifier); } + write(";"); } - } - function convertJsonOption(opt, value, basePath, errors) { - var optType = opt.type; - var expectedType = typeof optType === "string" ? optType : "string"; - if (optType === "list" && ts.isArray(value)) { - return convertJsonOptionOfListType(opt, value, basePath, errors); + function emitNamedExports(node) { + emitNamedImportsOrExports(node); } - else if (typeof value === expectedType) { - if (typeof optType !== "string") { - return convertJsonOptionOfCustomType(opt, value, errors); - } - else { - if (opt.isFilePath) { - value = ts.normalizePath(ts.combinePaths(basePath, value)); - if (value === "") { - value = "."; - } - } + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + } + function emitNamedImportsOrExports(node) { + write("{"); + emitList(node, node.elements, 432); + write("}"); + } + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + emit(node.propertyName); + write(" as "); } - return value; + emit(node.name); } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, expectedType)); + function emitExternalModuleReference(node) { + write("require("); + emitExpression(node.expression); + write(")"); } - } - function convertJsonOptionOfCustomType(opt, value, errors) { - var key = value.toLowerCase(); - if (key in opt.type) { - return opt.type[key]; + function emitJsxElement(node) { + emit(node.openingElement); + emitList(node, node.children, 131072); + emit(node.closingElement); } - else { - errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); + function emitJsxSelfClosingElement(node) { + write("<"); + emitJsxTagName(node.tagName); + write(" "); + emitList(node, node.attributes, 131328); + write("/>"); } - } - function convertJsonOptionOfListType(option, values, basePath, errors) { - return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; }); - } - function trimString(s) { - return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, ""); - } - var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/; - var invalidMultipleRecursionPatterns = /(^|\/)\*\*\/(.*\/)?\*\*($|\/)/; - var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/; - var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//; - var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/; - function matchFileNames(fileNames, include, exclude, basePath, options, host, errors) { - basePath = ts.normalizePath(basePath); - var keyMapper = host.useCaseSensitiveFileNames ? caseSensitiveKeyMapper : caseInsensitiveKeyMapper; - var literalFileMap = ts.createMap(); - var wildcardFileMap = ts.createMap(); - if (include) { - include = validateSpecs(include, errors, false); + function emitJsxOpeningElement(node) { + write("<"); + emitJsxTagName(node.tagName); + writeIfAny(node.attributes, " "); + emitList(node, node.attributes, 131328); + write(">"); } - if (exclude) { - exclude = validateSpecs(exclude, errors, true); + function emitJsxText(node) { + writer.writeLiteral(getTextOfNode(node, true)); } - var wildcardDirectories = getWildcardDirectories(include, exclude, basePath, host.useCaseSensitiveFileNames); - var supportedExtensions = ts.getSupportedExtensions(options); - if (fileNames) { - for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) { - var fileName = fileNames_1[_i]; - var file = ts.combinePaths(basePath, fileName); - literalFileMap[keyMapper(file)] = file; - } + function emitJsxClosingElement(node) { + write(""); } - if (include && include.length > 0) { - for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensions, exclude, include); _a < _b.length; _a++) { - var file = _b[_a]; - if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) { - continue; - } - removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper); - var key = keyMapper(file); - if (!(key in literalFileMap) && !(key in wildcardFileMap)) { - wildcardFileMap[key] = file; - } - } + function emitJsxAttribute(node) { + emit(node.name); + emitWithPrefix("=", node.initializer); } - var literalFiles = ts.reduceProperties(literalFileMap, addFileToOutput, []); - var wildcardFiles = ts.reduceProperties(wildcardFileMap, addFileToOutput, []); - wildcardFiles.sort(host.useCaseSensitiveFileNames ? ts.compareStrings : ts.compareStringsCaseInsensitive); - return { - fileNames: literalFiles.concat(wildcardFiles), - wildcardDirectories: wildcardDirectories - }; - } - function validateSpecs(specs, errors, allowTrailingRecursion) { - var validSpecs = []; - for (var _i = 0, specs_2 = specs; _i < specs_2.length; _i++) { - var spec = specs_2[_i]; - if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); - } - else if (invalidMultipleRecursionPatterns.test(spec)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0, spec)); + function emitJsxSpreadAttribute(node) { + write("{..."); + emitExpression(node.expression); + write("}"); + } + function emitJsxExpression(node) { + if (node.expression) { + write("{"); + emitExpression(node.expression); + write("}"); } - else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); + } + function emitJsxTagName(node) { + if (node.kind === 70) { + emitExpression(node); } else { - validSpecs.push(spec); + emit(node); } } - return validSpecs; - } - function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) { - var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude"); - var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i"); - var wildcardDirectories = ts.createMap(); - if (include !== undefined) { - var recursiveKeys = []; - for (var _i = 0, include_1 = include; _i < include_1.length; _i++) { - var file = include_1[_i]; - var name_45 = ts.normalizePath(ts.combinePaths(path, file)); - if (excludeRegex && excludeRegex.test(name_45)) { - continue; - } - var match = wildcardDirectoryPattern.exec(name_45); - if (match) { - var key = useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase(); - var flags = watchRecursivePattern.test(name_45) ? 1 : 0; - var existingFlags = wildcardDirectories[key]; - if (existingFlags === undefined || existingFlags < flags) { - wildcardDirectories[key] = flags; - if (flags === 1) { - recursiveKeys.push(key); - } - } - } + function emitCaseClause(node) { + write("case "); + emitExpression(node.expression); + write(":"); + emitCaseOrDefaultClauseStatements(node, node.statements); + } + function emitDefaultClause(node) { + write("default:"); + emitCaseOrDefaultClauseStatements(node, node.statements); + } + function emitCaseOrDefaultClauseStatements(parentNode, statements) { + var emitAsSingleStatement = statements.length === 1 && + (ts.nodeIsSynthesized(parentNode) || + ts.nodeIsSynthesized(statements[0]) || + ts.rangeStartPositionsAreOnSameLine(parentNode, statements[0], currentSourceFile)); + if (emitAsSingleStatement) { + write(" "); + emit(statements[0]); } - for (var key in wildcardDirectories) { - for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) { - var recursiveKey = recursiveKeys_1[_a]; - if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) { - delete wildcardDirectories[key]; - } - } + else { + emitList(parentNode, statements, 81985); } } - return wildcardDirectories; - } - function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) { - var extensionPriority = ts.getExtensionPriority(file, extensions); - var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority); - for (var i = 0; i < adjustedExtensionPriority; i++) { - var higherPriorityExtension = extensions[i]; - var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension)); - if (higherPriorityPath in literalFiles || higherPriorityPath in wildcardFiles) { - return true; - } + function emitHeritageClause(node) { + write(" "); + writeTokenText(node.token); + write(" "); + emitList(node, node.types, 272); } - return false; - } - function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) { - var extensionPriority = ts.getExtensionPriority(file, extensions); - var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority); - for (var i = nextExtensionPriority; i < extensions.length; i++) { - var lowerPriorityExtension = extensions[i]; - var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension)); - delete wildcardFiles[lowerPriorityPath]; + function emitCatchClause(node) { + writeLine(); + var openParenPos = writeToken(73, node.pos); + write(" "); + writeToken(18, openParenPos); + emit(node.variableDeclaration); + writeToken(19, node.variableDeclaration ? node.variableDeclaration.end : openParenPos); + write(" "); + emit(node.block); } - } - function addFileToOutput(output, file) { - output.push(file); - return output; - } - function caseSensitiveKeyMapper(key) { - return key; - } - function caseInsensitiveKeyMapper(key) { - return key.toLowerCase(); - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var ScriptSnapshot; - (function (ScriptSnapshot) { - var StringScriptSnapshot = (function () { - function StringScriptSnapshot(text) { - this.text = text; + function emitPropertyAssignment(node) { + emit(node.name); + write(": "); + var initializer = node.initializer; + if ((ts.getEmitFlags(initializer) & 16384) === 0) { + var commentRange = ts.getCommentRange(initializer); + emitTrailingCommentsOfPosition(commentRange.pos); } - StringScriptSnapshot.prototype.getText = function (start, end) { - return this.text.substring(start, end); - }; - StringScriptSnapshot.prototype.getLength = function () { - return this.text.length; - }; - StringScriptSnapshot.prototype.getChangeRange = function () { - return undefined; - }; - return StringScriptSnapshot; - }()); - function fromString(text) { - return new StringScriptSnapshot(text); - } - ScriptSnapshot.fromString = fromString; - })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); - var TextChange = (function () { - function TextChange() { - } - return TextChange; - }()); - ts.TextChange = TextChange; - var HighlightSpanKind; - (function (HighlightSpanKind) { - HighlightSpanKind.none = "none"; - HighlightSpanKind.definition = "definition"; - HighlightSpanKind.reference = "reference"; - HighlightSpanKind.writtenReference = "writtenReference"; - })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); - (function (IndentStyle) { - IndentStyle[IndentStyle["None"] = 0] = "None"; - IndentStyle[IndentStyle["Block"] = 1] = "Block"; - IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; - })(ts.IndentStyle || (ts.IndentStyle = {})); - var IndentStyle = ts.IndentStyle; - (function (SymbolDisplayPartKind) { - SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; - SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; - SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; - SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; - SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; - SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; - SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; - })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); - var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; - (function (OutputFileType) { - OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript"; - OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap"; - OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration"; - })(ts.OutputFileType || (ts.OutputFileType = {})); - var OutputFileType = ts.OutputFileType; - (function (EndOfLineState) { - EndOfLineState[EndOfLineState["None"] = 0] = "None"; - EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia"; - EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate"; - EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail"; - EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition"; - })(ts.EndOfLineState || (ts.EndOfLineState = {})); - var EndOfLineState = ts.EndOfLineState; - (function (TokenClass) { - TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; - TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; - TokenClass[TokenClass["Operator"] = 2] = "Operator"; - TokenClass[TokenClass["Comment"] = 3] = "Comment"; - TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; - TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; - TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; - TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; - TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; - })(ts.TokenClass || (ts.TokenClass = {})); - var TokenClass = ts.TokenClass; - var ScriptElementKind; - (function (ScriptElementKind) { - ScriptElementKind.unknown = ""; - ScriptElementKind.warning = "warning"; - ScriptElementKind.keyword = "keyword"; - ScriptElementKind.scriptElement = "script"; - ScriptElementKind.moduleElement = "module"; - ScriptElementKind.classElement = "class"; - ScriptElementKind.localClassElement = "local class"; - ScriptElementKind.interfaceElement = "interface"; - ScriptElementKind.typeElement = "type"; - ScriptElementKind.enumElement = "enum"; - ScriptElementKind.enumMemberElement = "const"; - ScriptElementKind.variableElement = "var"; - ScriptElementKind.localVariableElement = "local var"; - ScriptElementKind.functionElement = "function"; - ScriptElementKind.localFunctionElement = "local function"; - ScriptElementKind.memberFunctionElement = "method"; - ScriptElementKind.memberGetAccessorElement = "getter"; - ScriptElementKind.memberSetAccessorElement = "setter"; - ScriptElementKind.memberVariableElement = "property"; - ScriptElementKind.constructorImplementationElement = "constructor"; - ScriptElementKind.callSignatureElement = "call"; - ScriptElementKind.indexSignatureElement = "index"; - ScriptElementKind.constructSignatureElement = "construct"; - ScriptElementKind.parameterElement = "parameter"; - ScriptElementKind.typeParameterElement = "type parameter"; - ScriptElementKind.primitiveType = "primitive type"; - ScriptElementKind.label = "label"; - ScriptElementKind.alias = "alias"; - ScriptElementKind.constElement = "const"; - ScriptElementKind.letElement = "let"; - ScriptElementKind.directory = "directory"; - ScriptElementKind.externalModuleName = "external module name"; - })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); - var ScriptElementKindModifier; - (function (ScriptElementKindModifier) { - ScriptElementKindModifier.none = ""; - ScriptElementKindModifier.publicMemberModifier = "public"; - ScriptElementKindModifier.privateMemberModifier = "private"; - ScriptElementKindModifier.protectedMemberModifier = "protected"; - ScriptElementKindModifier.exportedModifier = "export"; - ScriptElementKindModifier.ambientModifier = "declare"; - ScriptElementKindModifier.staticModifier = "static"; - ScriptElementKindModifier.abstractModifier = "abstract"; - })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); - var ClassificationTypeNames = (function () { - function ClassificationTypeNames() { + emitExpression(initializer); } - return ClassificationTypeNames; - }()); - ClassificationTypeNames.comment = "comment"; - ClassificationTypeNames.identifier = "identifier"; - ClassificationTypeNames.keyword = "keyword"; - ClassificationTypeNames.numericLiteral = "number"; - ClassificationTypeNames.operator = "operator"; - ClassificationTypeNames.stringLiteral = "string"; - ClassificationTypeNames.whiteSpace = "whitespace"; - ClassificationTypeNames.text = "text"; - ClassificationTypeNames.punctuation = "punctuation"; - ClassificationTypeNames.className = "class name"; - ClassificationTypeNames.enumName = "enum name"; - ClassificationTypeNames.interfaceName = "interface name"; - ClassificationTypeNames.moduleName = "module name"; - ClassificationTypeNames.typeParameterName = "type parameter name"; - ClassificationTypeNames.typeAliasName = "type alias name"; - ClassificationTypeNames.parameterName = "parameter name"; - ClassificationTypeNames.docCommentTagName = "doc comment tag name"; - ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; - ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; - ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; - ClassificationTypeNames.jsxAttribute = "jsx attribute"; - ClassificationTypeNames.jsxText = "jsx text"; - ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; - ts.ClassificationTypeNames = ClassificationTypeNames; - (function (ClassificationType) { - ClassificationType[ClassificationType["comment"] = 1] = "comment"; - ClassificationType[ClassificationType["identifier"] = 2] = "identifier"; - ClassificationType[ClassificationType["keyword"] = 3] = "keyword"; - ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral"; - ClassificationType[ClassificationType["operator"] = 5] = "operator"; - ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral"; - ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral"; - ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace"; - ClassificationType[ClassificationType["text"] = 9] = "text"; - ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation"; - ClassificationType[ClassificationType["className"] = 11] = "className"; - ClassificationType[ClassificationType["enumName"] = 12] = "enumName"; - ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName"; - ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName"; - ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName"; - ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName"; - ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName"; - ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName"; - ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName"; - ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName"; - ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName"; - ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute"; - ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText"; - ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue"; - })(ts.ClassificationType || (ts.ClassificationType = {})); - var ClassificationType = ts.ClassificationType; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.scanner = ts.createScanner(4, true); - ts.emptyArray = []; - (function (SemanticMeaning) { - SemanticMeaning[SemanticMeaning["None"] = 0] = "None"; - SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value"; - SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type"; - SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace"; - SemanticMeaning[SemanticMeaning["All"] = 7] = "All"; - })(ts.SemanticMeaning || (ts.SemanticMeaning = {})); - var SemanticMeaning = ts.SemanticMeaning; - function getMeaningFromDeclaration(node) { - switch (node.kind) { - case 143: - case 219: - case 170: - case 146: - case 145: - case 253: - case 254: - case 255: - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 180: - case 181: - case 252: - return 1; - case 142: - case 223: - case 224: - case 160: - return 2; - case 222: - case 225: - return 1 | 2; - case 226: - if (ts.isAmbientModule(node)) { - return 4 | 1; - } - else if (ts.getModuleInstanceState(node) === 1) { - return 4 | 1; + function emitShorthandPropertyAssignment(node) { + emit(node.name); + if (node.objectAssignmentInitializer) { + write(" = "); + emitExpression(node.objectAssignmentInitializer); + } + } + function emitEnumMember(node) { + emit(node.name); + emitExpressionWithPrefix(" = ", node.initializer); + } + function emitSourceFile(node) { + writeLine(); + emitShebang(); + emitBodyWithDetachedComments(node, node.statements, emitSourceFileWorker); + } + function emitSourceFileWorker(node) { + var statements = node.statements; + var statementOffset = emitPrologueDirectives(statements); + var savedTempFlags = tempFlags; + tempFlags = 0; + emitHelpers(node); + emitList(node, statements, 1, statementOffset); + tempFlags = savedTempFlags; + } + function emitPartiallyEmittedExpression(node) { + emitExpression(node.expression); + } + function emitPrologueDirectives(statements, startWithNewLine) { + for (var i = 0; i < statements.length; i++) { + if (ts.isPrologueDirective(statements[i])) { + if (startWithNewLine || i > 0) { + writeLine(); + } + emit(statements[i]); } else { - return 4; + return i; } - case 234: - case 235: - case 230: - case 231: - case 236: - case 237: - return 1 | 2 | 4; - case 256: - return 4 | 1; + } + return statements.length; } - return 1 | 2 | 4; - } - ts.getMeaningFromDeclaration = getMeaningFromDeclaration; - function getMeaningFromLocation(node) { - if (node.parent.kind === 236) { - return 1 | 2 | 4; + function emitHelpers(node) { + var emitFlags = ts.getEmitFlags(node); + var helpersEmitted = false; + if (emitFlags & 1) { + helpersEmitted = emitEmitHelpers(currentSourceFile); + } + if (emitFlags & 2) { + writeLines(exportStarHelper); + helpersEmitted = true; + } + if (emitFlags & 4) { + writeLines(superHelper); + helpersEmitted = true; + } + if (emitFlags & 8) { + writeLines(advancedSuperHelper); + helpersEmitted = true; + } + return helpersEmitted; } - else if (isInRightSideOfImport(node)) { - return getMeaningFromRightHandSideOfImportEquals(node); + function emitEmitHelpers(node) { + if (compilerOptions.noEmitHelpers) { + return false; + } + if (compilerOptions.importHelpers + && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { + return false; + } + var helpersEmitted = false; + if ((languageVersion < 2) && (!extendsEmitted && node.flags & 1024)) { + writeLines(extendsHelper); + extendsEmitted = true; + helpersEmitted = true; + } + if (compilerOptions.jsx !== 1 && !assignEmitted && (node.flags & 16384)) { + writeLines(assignHelper); + assignEmitted = true; + } + if (!decorateEmitted && node.flags & 2048) { + writeLines(decorateHelper); + if (compilerOptions.emitDecoratorMetadata) { + writeLines(metadataHelper); + } + decorateEmitted = true; + helpersEmitted = true; + } + if (!paramEmitted && node.flags & 4096) { + writeLines(paramHelper); + paramEmitted = true; + helpersEmitted = true; + } + if ((languageVersion < 4) && (!awaiterEmitted && node.flags & 8192)) { + writeLines(awaiterHelper); + if (languageVersion < 2) { + writeLines(generatorHelper); + } + awaiterEmitted = true; + helpersEmitted = true; + } + if (helpersEmitted) { + writeLine(); + } + return helpersEmitted; } - else if (ts.isDeclarationName(node)) { - return getMeaningFromDeclaration(node.parent); + function writeLines(text) { + var lines = text.split(/\r\n|\r|\n/g); + for (var i = 0; i < lines.length; i++) { + var line = lines[i]; + if (line.length) { + if (i > 0) { + writeLine(); + } + write(line); + } + } } - else if (isTypeReference(node)) { - return 2; + function emitShebang() { + var shebang = ts.getShebang(currentText); + if (shebang) { + write(shebang); + writeLine(); + } } - else if (isNamespaceReference(node)) { - return 4; + function emitModifiers(node, modifiers) { + if (modifiers && modifiers.length) { + emitList(node, modifiers, 256); + write(" "); + } } - else { - return 1; + function emitWithPrefix(prefix, node) { + emitNodeWithPrefix(prefix, node, emit); } - } - ts.getMeaningFromLocation = getMeaningFromLocation; - function getMeaningFromRightHandSideOfImportEquals(node) { - ts.Debug.assert(node.kind === 70); - if (node.parent.kind === 140 && - node.parent.right === node && - node.parent.parent.kind === 230) { - return 1 | 2 | 4; + function emitExpressionWithPrefix(prefix, node) { + emitNodeWithPrefix(prefix, node, emitExpression); } - return 4; - } - function isInRightSideOfImport(node) { - while (node.parent.kind === 140) { - node = node.parent; + function emitNodeWithPrefix(prefix, node, emit) { + if (node) { + write(prefix); + emit(node); + } } - return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; - } - function isNamespaceReference(node) { - return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); - } - function isQualifiedNameNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 140) { - while (root.parent && root.parent.kind === 140) { - root = root.parent; + function emitWithSuffix(node, suffix) { + if (node) { + emit(node); + write(suffix); } - isLastClause = root.right === node; } - return root.parent.kind === 156 && !isLastClause; - } - function isPropertyAccessNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 173) { - while (root.parent && root.parent.kind === 173) { - root = root.parent; + function emitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + write(" "); + emit(node); + } + else { + writeLine(); + increaseIndent(); + emit(node); + decreaseIndent(); } - isLastClause = root.name === node; } - if (!isLastClause && root.parent.kind === 195 && root.parent.parent.kind === 251) { - var decl = root.parent.parent.parent; - return (decl.kind === 222 && root.parent.parent.token === 107) || - (decl.kind === 223 && root.parent.parent.token === 84); + function emitDecorators(parentNode, decorators) { + emitList(parentNode, decorators, 24577); } - return false; - } - function isTypeReference(node) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { - node = node.parent; + function emitTypeArguments(parentNode, typeArguments) { + emitList(parentNode, typeArguments, 26960); } - return node.parent.kind === 156 || - (node.parent.kind === 195 && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || - (node.kind === 98 && !ts.isPartOfExpression(node)) || - node.kind === 166; - } - function isCallExpressionTarget(node) { - return isCallOrNewExpressionTarget(node, 175); - } - ts.isCallExpressionTarget = isCallExpressionTarget; - function isNewExpressionTarget(node) { - return isCallOrNewExpressionTarget(node, 176); - } - ts.isNewExpressionTarget = isNewExpressionTarget; - function isCallOrNewExpressionTarget(node, kind) { - var target = climbPastPropertyAccess(node); - return target && target.parent && target.parent.kind === kind && target.parent.expression === target; - } - function climbPastPropertyAccess(node) { - return isRightSideOfPropertyAccess(node) ? node.parent : node; - } - ts.climbPastPropertyAccess = climbPastPropertyAccess; - function getTargetLabel(referenceNode, labelName) { - while (referenceNode) { - if (referenceNode.kind === 215 && referenceNode.label.text === labelName) { - return referenceNode.label; - } - referenceNode = referenceNode.parent; + function emitTypeParameters(parentNode, typeParameters) { + emitList(parentNode, typeParameters, 26960); } - return undefined; - } - ts.getTargetLabel = getTargetLabel; - function isJumpStatementTarget(node) { - return node.kind === 70 && - (node.parent.kind === 211 || node.parent.kind === 210) && - node.parent.label === node; - } - ts.isJumpStatementTarget = isJumpStatementTarget; - function isLabelOfLabeledStatement(node) { - return node.kind === 70 && - node.parent.kind === 215 && - node.parent.label === node; - } - function isLabelName(node) { - return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); - } - ts.isLabelName = isLabelName; - function isRightSideOfQualifiedName(node) { - return node.parent.kind === 140 && node.parent.right === node; - } - ts.isRightSideOfQualifiedName = isRightSideOfQualifiedName; - function isRightSideOfPropertyAccess(node) { - return node && node.parent && node.parent.kind === 173 && node.parent.name === node; - } - ts.isRightSideOfPropertyAccess = isRightSideOfPropertyAccess; - function isNameOfModuleDeclaration(node) { - return node.parent.kind === 226 && node.parent.name === node; - } - ts.isNameOfModuleDeclaration = isNameOfModuleDeclaration; - function isNameOfFunctionDeclaration(node) { - return node.kind === 70 && - ts.isFunctionLike(node.parent) && node.parent.name === node; - } - ts.isNameOfFunctionDeclaration = isNameOfFunctionDeclaration; - function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { - if (node.kind === 9 || node.kind === 8) { - switch (node.parent.kind) { - case 146: - case 145: - case 253: - case 255: - case 148: - case 147: - case 150: - case 151: - case 226: - return node.parent.name === node; - case 174: - return node.parent.argumentExpression === node; - case 141: - return true; + function emitParameters(parentNode, parameters) { + emitList(parentNode, parameters, 1360); + } + function emitParametersForArrow(parentNode, parameters) { + if (parameters && + parameters.length === 1 && + parameters[0].type === undefined && + parameters[0].pos === parentNode.pos) { + emit(parameters[0]); + } + else { + emitParameters(parentNode, parameters); } } - return false; - } - ts.isLiteralNameOfPropertyDeclarationOrIndexAccess = isLiteralNameOfPropertyDeclarationOrIndexAccess; - function isExpressionOfExternalModuleImportEqualsDeclaration(node) { - return ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node; - } - ts.isExpressionOfExternalModuleImportEqualsDeclaration = isExpressionOfExternalModuleImportEqualsDeclaration; - function isInsideComment(sourceFile, token, position) { - return position <= token.getStart(sourceFile) && - (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || - isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); - function isInsideCommentRange(comments) { - return ts.forEach(comments, function (comment) { - if (comment.pos < position && position < comment.end) { - return true; + function emitParametersForIndexSignature(parentNode, parameters) { + emitList(parentNode, parameters, 4432); + } + function emitList(parentNode, children, format, start, count) { + emitNodeList(emit, parentNode, children, format, start, count); + } + function emitExpressionList(parentNode, children, format, start, count) { + emitNodeList(emitExpression, parentNode, children, format, start, count); + } + function emitNodeList(emit, parentNode, children, format, start, count) { + if (start === void 0) { start = 0; } + if (count === void 0) { count = children ? children.length - start : 0; } + var isUndefined = children === undefined; + if (isUndefined && format & 8192) { + return; + } + var isEmpty = isUndefined || children.length === 0 || start >= children.length || count === 0; + if (isEmpty && format & 16384) { + return; + } + if (format & 7680) { + write(getOpeningBracket(format)); + } + if (isEmpty) { + if (format & 1) { + writeLine(); } - else if (position === comment.end) { - var text = sourceFile.text; - var width = comment.end - comment.pos; - if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47) { - return true; + else if (format & 128) { + write(" "); + } + } + else { + var mayEmitInterveningComments = (format & 131072) === 0; + var shouldEmitInterveningComments = mayEmitInterveningComments; + if (shouldWriteLeadingLineTerminator(parentNode, children, format)) { + writeLine(); + shouldEmitInterveningComments = false; + } + else if (format & 128) { + write(" "); + } + if (format & 64) { + increaseIndent(); + } + var previousSibling = void 0; + var shouldDecreaseIndentAfterEmit = void 0; + var delimiter = getDelimiter(format); + for (var i = 0; i < count; i++) { + var child = children[start + i]; + if (previousSibling) { + write(delimiter); + if (shouldWriteSeparatingLineTerminator(previousSibling, child, format)) { + if ((format & (3 | 64)) === 0) { + increaseIndent(); + shouldDecreaseIndentAfterEmit = true; + } + writeLine(); + shouldEmitInterveningComments = false; + } + else if (previousSibling && format & 256) { + write(" "); + } + } + if (shouldEmitInterveningComments) { + var commentRange = ts.getCommentRange(child); + emitTrailingCommentsOfPosition(commentRange.pos); } else { - return !(text.charCodeAt(comment.end - 1) === 47 && - text.charCodeAt(comment.end - 2) === 42); + shouldEmitInterveningComments = mayEmitInterveningComments; + } + emit(child); + if (shouldDecreaseIndentAfterEmit) { + decreaseIndent(); + shouldDecreaseIndentAfterEmit = false; } + previousSibling = child; + } + var hasTrailingComma = (format & 32) && children.hasTrailingComma; + if (format & 16 && hasTrailingComma) { + write(","); + } + if (format & 64) { + decreaseIndent(); + } + if (shouldWriteClosingLineTerminator(parentNode, children, format)) { + writeLine(); + } + else if (format & 128) { + write(" "); } - return false; - }); - } - } - ts.isInsideComment = isInsideComment; - function getContainerNode(node) { - while (true) { - node = node.parent; - if (!node) { - return undefined; } - switch (node.kind) { - case 256: - case 148: - case 147: - case 221: - case 180: - case 150: - case 151: - case 222: - case 223: - case 225: - case 226: - return node; + if (format & 7680) { + write(getClosingBracket(format)); + } + } + function writeIfAny(nodes, text) { + if (nodes && nodes.length > 0) { + write(text); } } - } - ts.getContainerNode = getContainerNode; - function getNodeKind(node) { - switch (node.kind) { - case 256: - return ts.isExternalModule(node) ? ts.ScriptElementKind.moduleElement : ts.ScriptElementKind.scriptElement; - case 226: - return ts.ScriptElementKind.moduleElement; - case 222: - case 193: - return ts.ScriptElementKind.classElement; - case 223: return ts.ScriptElementKind.interfaceElement; - case 224: return ts.ScriptElementKind.typeElement; - case 225: return ts.ScriptElementKind.enumElement; - case 219: - return getKindOfVariableDeclaration(node); - case 170: - return getKindOfVariableDeclaration(ts.getRootDeclaration(node)); - case 181: - case 221: - case 180: - return ts.ScriptElementKind.functionElement; - case 150: return ts.ScriptElementKind.memberGetAccessorElement; - case 151: return ts.ScriptElementKind.memberSetAccessorElement; - case 148: - case 147: - return ts.ScriptElementKind.memberFunctionElement; - case 146: - case 145: - return ts.ScriptElementKind.memberVariableElement; - case 154: return ts.ScriptElementKind.indexSignatureElement; - case 153: return ts.ScriptElementKind.constructSignatureElement; - case 152: return ts.ScriptElementKind.callSignatureElement; - case 149: return ts.ScriptElementKind.constructorImplementationElement; - case 142: return ts.ScriptElementKind.typeParameterElement; - case 255: return ts.ScriptElementKind.enumMemberElement; - case 143: return ts.hasModifier(node, 92) ? ts.ScriptElementKind.memberVariableElement : ts.ScriptElementKind.parameterElement; - case 230: - case 235: - case 232: - case 239: - case 233: - return ts.ScriptElementKind.alias; - case 279: - return ts.ScriptElementKind.typeElement; - default: - return ts.ScriptElementKind.unknown; + function writeIfPresent(node, text) { + if (node !== undefined) { + write(text); + } } - function getKindOfVariableDeclaration(v) { - return ts.isConst(v) - ? ts.ScriptElementKind.constElement - : ts.isLet(v) - ? ts.ScriptElementKind.letElement - : ts.ScriptElementKind.variableElement; + function writeToken(token, pos, contextNode) { + return emitTokenWithSourceMap(contextNode, token, pos, writeTokenText); } - } - ts.getNodeKind = getNodeKind; - function getStringLiteralTypeForNode(node, typeChecker) { - var searchNode = node.parent.kind === 167 ? node.parent : node; - var type = typeChecker.getTypeAtLocation(searchNode); - if (type && type.flags & 32) { - return type; + function writeTokenText(token, pos) { + var tokenString = ts.tokenToString(token); + write(tokenString); + return pos < 0 ? pos : pos + tokenString.length; } - return undefined; - } - ts.getStringLiteralTypeForNode = getStringLiteralTypeForNode; - function isThis(node) { - switch (node.kind) { - case 98: + function increaseIndentIf(value, valueToWriteWhenNotIndenting) { + if (value) { + increaseIndent(); + writeLine(); + } + else if (valueToWriteWhenNotIndenting) { + write(valueToWriteWhenNotIndenting); + } + } + function decreaseIndentIf(value1, value2) { + if (value1) { + decreaseIndent(); + } + if (value2) { + decreaseIndent(); + } + } + function shouldWriteLeadingLineTerminator(parentNode, children, format) { + if (format & 1) { return true; - case 70: - return ts.identifierIsThisKeyword(node) && node.parent.kind === 143; - default: + } + if (format & 2) { + if (format & 32768) { + return true; + } + var firstChild = children[0]; + if (firstChild === undefined) { + return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); + } + else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(firstChild)) { + return synthesizedNodeStartsOnNewLine(firstChild, format); + } + else { + return !ts.rangeStartPositionsAreOnSameLine(parentNode, firstChild, currentSourceFile); + } + } + else { return false; + } } - } - ts.isThis = isThis; - var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= range.end; - } - ts.startEndContainsRange = startEndContainsRange; - function rangeContainsStartEnd(range, start, end) { - return range.pos <= start && range.end >= end; - } - ts.rangeContainsStartEnd = rangeContainsStartEnd; - function rangeOverlapsWithStartEnd(r1, start, end) { - return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); - } - ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; - function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { - var start = Math.max(start1, start2); - var end = Math.min(end1, end2); - return start < end; - } - ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; - function positionBelongsToNode(candidate, position, sourceFile) { - return candidate.end > position || !isCompletedNode(candidate, sourceFile); - } - ts.positionBelongsToNode = positionBelongsToNode; - function isCompletedNode(n, sourceFile) { - if (ts.nodeIsMissing(n)) { - return false; + function shouldWriteSeparatingLineTerminator(previousNode, nextNode, format) { + if (format & 1) { + return true; + } + else if (format & 2) { + if (previousNode === undefined || nextNode === undefined) { + return false; + } + else if (ts.nodeIsSynthesized(previousNode) || ts.nodeIsSynthesized(nextNode)) { + return synthesizedNodeStartsOnNewLine(previousNode, format) || synthesizedNodeStartsOnNewLine(nextNode, format); + } + else { + return !ts.rangeEndIsOnSameLineAsRangeStart(previousNode, nextNode, currentSourceFile); + } + } + else { + return nextNode.startsOnNewLine; + } } - switch (n.kind) { - case 222: - case 223: - case 225: - case 172: - case 168: - case 160: - case 200: - case 227: - case 228: - case 234: - case 238: - return nodeEndsWith(n, 17, sourceFile); - case 252: - return isCompletedNode(n.block, sourceFile); - case 176: - if (!n.arguments) { + function shouldWriteClosingLineTerminator(parentNode, children, format) { + if (format & 1) { + return (format & 65536) === 0; + } + else if (format & 2) { + if (format & 32768) { return true; } - case 175: - case 179: - case 165: - return nodeEndsWith(n, 19, sourceFile); - case 157: - case 158: - return isCompletedNode(n.type, sourceFile); - case 149: - case 150: - case 151: - case 221: - case 180: - case 148: - case 147: - case 153: - case 152: - case 181: - if (n.body) { - return isCompletedNode(n.body, sourceFile); - } - if (n.type) { - return isCompletedNode(n.type, sourceFile); + var lastChild = ts.lastOrUndefined(children); + if (lastChild === undefined) { + return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); } - return hasChildOfKind(n, 19, sourceFile); - case 226: - return n.body && isCompletedNode(n.body, sourceFile); - case 204: - if (n.elseStatement) { - return isCompletedNode(n.elseStatement, sourceFile); + else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(lastChild)) { + return synthesizedNodeStartsOnNewLine(lastChild, format); } - return isCompletedNode(n.thenStatement, sourceFile); - case 203: - return isCompletedNode(n.expression, sourceFile) || - hasChildOfKind(n, 24); - case 171: - case 169: - case 174: - case 141: - case 162: - return nodeEndsWith(n, 21, sourceFile); - case 154: - if (n.type) { - return isCompletedNode(n.type, sourceFile); + else { + return !ts.rangeEndPositionsAreOnSameLine(parentNode, lastChild, currentSourceFile); } - return hasChildOfKind(n, 21, sourceFile); - case 249: - case 250: + } + else { return false; - case 207: - case 208: - case 209: - case 206: - return isCompletedNode(n.statement, sourceFile); - case 205: - var hasWhileKeyword = findChildOfKind(n, 105, sourceFile); - if (hasWhileKeyword) { - return nodeEndsWith(n, 19, sourceFile); + } + } + function synthesizedNodeStartsOnNewLine(node, format) { + if (ts.nodeIsSynthesized(node)) { + var startsOnNewLine = node.startsOnNewLine; + if (startsOnNewLine === undefined) { + return (format & 32768) !== 0; } - return isCompletedNode(n.statement, sourceFile); - case 159: - return isCompletedNode(n.exprName, sourceFile); - case 183: - case 182: - case 184: - case 191: - case 192: - var unaryWordExpression = n; - return isCompletedNode(unaryWordExpression.expression, sourceFile); - case 177: - return isCompletedNode(n.template, sourceFile); - case 190: - var lastSpan = ts.lastOrUndefined(n.templateSpans); - return isCompletedNode(lastSpan, sourceFile); - case 198: - return ts.nodeIsPresent(n.literal); - case 237: - case 231: - return ts.nodeIsPresent(n.moduleSpecifier); - case 186: - return isCompletedNode(n.operand, sourceFile); - case 188: - return isCompletedNode(n.right, sourceFile); - case 189: - return isCompletedNode(n.whenFalse, sourceFile); - default: - return true; + return startsOnNewLine; + } + return (format & 32768) !== 0; } - } - ts.isCompletedNode = isCompletedNode; - function nodeEndsWith(n, expectedLastToken, sourceFile) { - var children = n.getChildren(sourceFile); - if (children.length) { - var last = ts.lastOrUndefined(children); - if (last.kind === expectedLastToken) { + function needsIndentation(parent, node1, node2) { + parent = skipSynthesizedParentheses(parent); + node1 = skipSynthesizedParentheses(node1); + node2 = skipSynthesizedParentheses(node2); + if (node2.startsOnNewLine) { return true; } - else if (last.kind === 24 && children.length !== 1) { - return children[children.length - 2].kind === expectedLastToken; - } + return !ts.nodeIsSynthesized(parent) + && !ts.nodeIsSynthesized(node1) + && !ts.nodeIsSynthesized(node2) + && !ts.rangeEndIsOnSameLineAsRangeStart(node1, node2, currentSourceFile); } - return false; - } - function findListItemInfo(node) { - var list = findContainingList(node); - if (!list) { - return undefined; + function skipSynthesizedParentheses(node) { + while (node.kind === 179 && ts.nodeIsSynthesized(node)) { + node = node.expression; + } + return node; } - var children = list.getChildren(); - var listItemIndex = ts.indexOf(children, node); - return { - listItemIndex: listItemIndex, - list: list - }; - } - ts.findListItemInfo = findListItemInfo; - function hasChildOfKind(n, kind, sourceFile) { - return !!findChildOfKind(n, kind, sourceFile); - } - ts.hasChildOfKind = hasChildOfKind; - function findChildOfKind(n, kind, sourceFile) { - return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); - } - ts.findChildOfKind = findChildOfKind; - function findContainingList(node) { - var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { - if (c.kind === 286 && c.pos <= node.pos && c.end >= node.end) { - return c; + function getTextOfNode(node, includeTrivia) { + if (ts.isGeneratedIdentifier(node)) { + return getGeneratedIdentifier(node); } - }); - ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); - return syntaxList; - } - ts.findContainingList = findContainingList; - function getTouchingWord(sourceFile, position, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }, includeJsDocComment); - } - ts.getTouchingWord = getTouchingWord; - function getTouchingPropertyName(sourceFile, position, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }, includeJsDocComment); - } - ts.getTouchingPropertyName = getTouchingPropertyName; - function getTouchingToken(sourceFile, position, includeItemAtEndPosition, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTokenAtPositionWorker(sourceFile, position, false, includeItemAtEndPosition, includeJsDocComment); - } - ts.getTouchingToken = getTouchingToken; - function getTokenAtPosition(sourceFile, position, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTokenAtPositionWorker(sourceFile, position, true, undefined, includeJsDocComment); - } - ts.getTokenAtPosition = getTokenAtPosition; - function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - var current = sourceFile; - outer: while (true) { - if (isToken(current)) { - return current; + else if (ts.isIdentifier(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { + return ts.unescapeIdentifier(node.text); } - if (includeJsDocComment) { - var jsDocChildren = ts.filter(current.getChildren(), ts.isJSDocNode); - for (var _i = 0, jsDocChildren_1 = jsDocChildren; _i < jsDocChildren_1.length; _i++) { - var jsDocChild = jsDocChildren_1[_i]; - var start = allowPositionInLeadingTrivia ? jsDocChild.getFullStart() : jsDocChild.getStart(sourceFile, includeJsDocComment); - if (start <= position) { - var end = jsDocChild.getEnd(); - if (position < end || (position === end && jsDocChild.kind === 1)) { - current = jsDocChild; - continue outer; - } - else if (includeItemAtEndPosition && end === position) { - var previousToken = findPrecedingToken(position, sourceFile, jsDocChild); - if (previousToken && includeItemAtEndPosition(previousToken)) { - return previousToken; - } - } - } - } + else if (node.kind === 9 && node.textSourceNode) { + return getTextOfNode(node.textSourceNode, includeTrivia); } - for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { - var child = current.getChildAt(i); - if (ts.isJSDocNode(child)) { - continue; + else if (ts.isLiteralExpression(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { + return node.text; + } + return ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node, includeTrivia); + } + function getLiteralTextOfNode(node) { + if (node.kind === 9 && node.textSourceNode) { + var textSourceNode = node.textSourceNode; + if (ts.isIdentifier(textSourceNode)) { + return "\"" + ts.escapeNonAsciiCharacters(ts.escapeString(getTextOfNode(textSourceNode))) + "\""; } - var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile, includeJsDocComment); - if (start <= position) { - var end = child.getEnd(); - if (position < end || (position === end && child.kind === 1)) { - current = child; - continue outer; - } - else if (includeItemAtEndPosition && end === position) { - var previousToken = findPrecedingToken(position, sourceFile, child); - if (previousToken && includeItemAtEndPosition(previousToken)) { - return previousToken; - } - } + else { + return getLiteralTextOfNode(textSourceNode); } } - return current; + return ts.getLiteralText(node, currentSourceFile, languageVersion); } - } - function findTokenOnLeftOfPosition(file, position) { - var tokenAtPosition = getTokenAtPosition(file, position); - if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { - return tokenAtPosition; + function isSingleLineEmptyBlock(block) { + return !block.multiLine + && isEmptyBlock(block); } - return findPrecedingToken(position, file); - } - ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; - function findNextToken(previousToken, parent) { - return find(parent); - function find(n) { - if (isToken(n) && n.pos === previousToken.end) { - return n; - } - var children = n.getChildren(); - for (var _i = 0, children_2 = children; _i < children_2.length; _i++) { - var child = children_2[_i]; - var shouldDiveInChildNode = (child.pos <= previousToken.pos && child.end > previousToken.end) || - (child.pos === previousToken.end); - if (shouldDiveInChildNode && nodeHasTokens(child)) { - return find(child); - } - } - return undefined; + function isEmptyBlock(block) { + return block.statements.length === 0 + && ts.rangeEndIsOnSameLineAsRangeStart(block, block, currentSourceFile); } - } - ts.findNextToken = findNextToken; - function findPrecedingToken(position, sourceFile, startNode) { - return find(startNode || sourceFile); - function findRightmostToken(n) { - if (isToken(n)) { - return n; + function isUniqueName(name) { + return !resolver.hasGlobalName(name) && + !ts.hasProperty(currentFileIdentifiers, name) && + !ts.hasProperty(generatedNameSet, name); + } + function isUniqueLocalName(name, container) { + for (var node = container; ts.isNodeDescendantOf(node, container); node = node.nextContainer) { + if (node.locals && ts.hasProperty(node.locals, name)) { + if (node.locals[name].flags & (107455 | 1048576 | 8388608)) { + return false; + } + } } - var children = n.getChildren(); - var candidate = findRightmostChildNodeWithTokens(children, children.length); - return candidate && findRightmostToken(candidate); + return true; } - function find(n) { - if (isToken(n)) { - return n; + function makeTempVariableName(flags) { + if (flags && !(tempFlags & flags)) { + var name_44 = flags === 268435456 ? "_i" : "_n"; + if (isUniqueName(name_44)) { + tempFlags |= flags; + return name_44; + } } - var children = n.getChildren(); - for (var i = 0, len = children.length; i < len; i++) { - var child = children[i]; - if (position < child.end && (nodeHasTokens(child) || child.kind === 10)) { - var start = child.getStart(sourceFile); - var lookInPreviousChild = (start >= position) || - (child.kind === 10 && start === child.end); - if (lookInPreviousChild) { - var candidate = findRightmostChildNodeWithTokens(children, i); - return candidate && findRightmostToken(candidate); - } - else { - return find(child); + while (true) { + var count = tempFlags & 268435455; + tempFlags++; + if (count !== 8 && count !== 13) { + var name_45 = count < 26 + ? "_" + String.fromCharCode(97 + count) + : "_" + (count - 26); + if (isUniqueName(name_45)) { + return name_45; } } } - ts.Debug.assert(startNode !== undefined || n.kind === 256); - if (children.length) { - var candidate = findRightmostChildNodeWithTokens(children, children.length); - return candidate && findRightmostToken(candidate); - } } - function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { - for (var i = exclusiveStartPosition - 1; i >= 0; i--) { - if (nodeHasTokens(children[i])) { - return children[i]; + function makeUniqueName(baseName) { + if (baseName.charCodeAt(baseName.length - 1) !== 95) { + baseName += "_"; + } + var i = 1; + while (true) { + var generatedName = baseName + i; + if (isUniqueName(generatedName)) { + return generatedNameSet[generatedName] = generatedName; } + i++; } } - } - ts.findPrecedingToken = findPrecedingToken; - function isInString(sourceFile, position) { - var previousToken = findPrecedingToken(position, sourceFile); - if (previousToken && previousToken.kind === 9) { - var start = previousToken.getStart(); - var end = previousToken.getEnd(); - if (start < position && position < end) { - return true; - } - if (position === end) { - return !!previousToken.isUnterminated; + function generateNameForModuleOrEnum(node) { + var name = getTextOfNode(node.name); + return isUniqueLocalName(name, node) ? name : makeUniqueName(name); + } + function generateNameForImportOrExportDeclaration(node) { + var expr = ts.getExternalModuleName(node); + var baseName = expr.kind === 9 ? + ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; + return makeUniqueName(baseName); + } + function generateNameForExportDefault() { + return makeUniqueName("default"); + } + function generateNameForClassExpression() { + return makeUniqueName("class"); + } + function generateNameForNode(node) { + switch (node.kind) { + case 70: + return makeUniqueName(getTextOfNode(node)); + case 226: + case 225: + return generateNameForModuleOrEnum(node); + case 231: + case 237: + return generateNameForImportOrExportDeclaration(node); + case 221: + case 222: + case 236: + return generateNameForExportDefault(); + case 193: + return generateNameForClassExpression(); + default: + return makeTempVariableName(0); } } - return false; - } - ts.isInString = isInString; - function isInComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, undefined); - } - ts.isInComment = isInComment; - function isInsideJsxElementOrAttribute(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - if (!token) { - return false; + function generateName(name) { + switch (name.autoGenerateKind) { + case 1: + return makeTempVariableName(0); + case 2: + return makeTempVariableName(268435456); + case 3: + return makeUniqueName(name.text); + } + ts.Debug.fail("Unsupported GeneratedIdentifierKind."); } - if (token.kind === 10) { - return true; + function getNodeForGeneratedName(name) { + var autoGenerateId = name.autoGenerateId; + var node = name; + var original = node.original; + while (original) { + node = original; + if (ts.isIdentifier(node) + && node.autoGenerateKind === 4 + && node.autoGenerateId !== autoGenerateId) { + break; + } + original = node.original; + } + return node; } - if (token.kind === 26 && token.parent.kind === 10) { - return true; + function getGeneratedIdentifier(name) { + if (name.autoGenerateKind === 4) { + var node = getNodeForGeneratedName(name); + var nodeId = ts.getNodeId(node); + return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = ts.unescapeIdentifier(generateNameForNode(node))); + } + else { + var autoGenerateId = name.autoGenerateId; + return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = ts.unescapeIdentifier(generateName(name))); + } } - if (token.kind === 26 && token.parent.kind === 248) { - return true; + function createDelimiterMap() { + var delimiters = []; + delimiters[0] = ""; + delimiters[16] = ","; + delimiters[4] = " |"; + delimiters[8] = " &"; + return delimiters; } - if (token && token.kind === 17 && token.parent.kind === 248) { - return true; + function getDelimiter(format) { + return delimiters[format & 28]; } - if (token.kind === 26 && token.parent.kind === 245) { - return true; + function createBracketsMap() { + var brackets = []; + brackets[512] = ["{", "}"]; + brackets[1024] = ["(", ")"]; + brackets[2048] = ["<", ">"]; + brackets[4096] = ["[", "]"]; + return brackets; } - return false; - } - ts.isInsideJsxElementOrAttribute = isInsideJsxElementOrAttribute; - function isInTemplateString(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - return ts.isTemplateLiteralKind(token.kind) && position > token.getStart(sourceFile); - } - ts.isInTemplateString = isInTemplateString; - function isInCommentHelper(sourceFile, position, predicate) { - var token = getTokenAtPosition(sourceFile, position); - if (token && position <= token.getStart(sourceFile)) { - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return predicate ? - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 ? position <= c.end : position < c.end) && - predicate(c); }) : - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 ? position <= c.end : position < c.end); }); + function getOpeningBracket(format) { + return brackets[format & 7680][0]; } - return false; - } - ts.isInCommentHelper = isInCommentHelper; - function hasDocComment(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return ts.forEach(commentRanges, jsDocPrefix); - function jsDocPrefix(c) { - var text = sourceFile.text; - return text.length >= c.pos + 3 && text[c.pos] === "/" && text[c.pos + 1] === "*" && text[c.pos + 2] === "*"; + function getClosingBracket(format) { + return brackets[format & 7680][1]; } } - ts.hasDocComment = hasDocComment; - function getJsDocTagAtPosition(sourceFile, position) { - var node = ts.getTokenAtPosition(sourceFile, position); - if (isToken(node)) { - switch (node.kind) { - case 103: - case 109: - case 75: - node = node.parent === undefined ? undefined : node.parent.parent; - break; - default: - node = node.parent; - break; + ts.emitFiles = emitFiles; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.version = "2.1.0"; + var emptyArray = []; + function findConfigFile(searchPath, fileExists, configName) { + if (configName === void 0) { configName = "tsconfig.json"; } + while (true) { + var fileName = ts.combinePaths(searchPath, configName); + if (fileExists(fileName)) { + return fileName; } - } - if (node) { - if (node.jsDocComments) { - for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - if (jsDocComment.tags) { - for (var _b = 0, _c = jsDocComment.tags; _b < _c.length; _b++) { - var tag = _c[_b]; - if (tag.pos <= position && position <= tag.end) { - return tag; - } - } - } - } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; } + searchPath = parentPath; } return undefined; } - ts.getJsDocTagAtPosition = getJsDocTagAtPosition; - function nodeHasTokens(n) { - return n.getWidth() !== 0; - } - function getNodeModifiers(node) { - var flags = ts.getCombinedModifierFlags(node); - var result = []; - if (flags & 8) - result.push(ts.ScriptElementKindModifier.privateMemberModifier); - if (flags & 16) - result.push(ts.ScriptElementKindModifier.protectedMemberModifier); - if (flags & 4) - result.push(ts.ScriptElementKindModifier.publicMemberModifier); - if (flags & 32) - result.push(ts.ScriptElementKindModifier.staticModifier); - if (flags & 128) - result.push(ts.ScriptElementKindModifier.abstractModifier); - if (flags & 1) - result.push(ts.ScriptElementKindModifier.exportedModifier); - if (ts.isInAmbientContext(node)) - result.push(ts.ScriptElementKindModifier.ambientModifier); - return result.length > 0 ? result.join(",") : ts.ScriptElementKindModifier.none; + ts.findConfigFile = findConfigFile; + function resolveTripleslashReference(moduleName, containingFile) { + var basePath = ts.getDirectoryPath(containingFile); + var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); + return ts.normalizePath(referencedFileName); } - ts.getNodeModifiers = getNodeModifiers; - function getTypeArgumentOrTypeParameterList(node) { - if (node.kind === 156 || node.kind === 175) { - return node.typeArguments; - } - if (ts.isFunctionLike(node) || node.kind === 222 || node.kind === 223) { - return node.typeParameters; + ts.resolveTripleslashReference = resolveTripleslashReference; + function computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName) { + var commonPathComponents; + var failed = ts.forEach(fileNames, function (sourceFile) { + var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile, currentDirectory); + sourcePathComponents.pop(); + if (!commonPathComponents) { + commonPathComponents = sourcePathComponents; + return; + } + for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { + if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { + if (i === 0) { + return true; + } + commonPathComponents.length = i; + break; + } + } + if (sourcePathComponents.length < commonPathComponents.length) { + commonPathComponents.length = sourcePathComponents.length; + } + }); + if (failed) { + return ""; } - return undefined; - } - ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; - function isToken(n) { - return n.kind >= 0 && n.kind <= 139; - } - ts.isToken = isToken; - function isWord(kind) { - return kind === 70 || ts.isKeyword(kind); - } - ts.isWord = isWord; - function isPropertyName(kind) { - return kind === 9 || kind === 8 || isWord(kind); - } - function isComment(kind) { - return kind === 2 || kind === 3; - } - ts.isComment = isComment; - function isStringOrRegularExpressionOrTemplateLiteral(kind) { - if (kind === 9 - || kind === 11 - || ts.isTemplateLiteralKind(kind)) { - return true; + if (!commonPathComponents) { + return currentDirectory; } - return false; - } - ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; - function isPunctuation(kind) { - return 16 <= kind && kind <= 69; - } - ts.isPunctuation = isPunctuation; - function isInsideTemplateLiteral(node, position) { - return ts.isTemplateLiteralKind(node.kind) - && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); + return ts.getNormalizedPathFromPathComponents(commonPathComponents); } - ts.isInsideTemplateLiteral = isInsideTemplateLiteral; - function isAccessibilityModifier(kind) { - switch (kind) { - case 113: - case 111: - case 112: - return true; + ts.computeCommonSourceDirectoryOfFilenames = computeCommonSourceDirectoryOfFilenames; + function createCompilerHost(options, setParentNodes) { + var existingDirectories = ts.createMap(); + function getCanonicalFileName(fileName) { + return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); } - return false; - } - ts.isAccessibilityModifier = isAccessibilityModifier; - function compareDataObjects(dst, src) { - for (var e in dst) { - if (typeof dst[e] === "object") { - if (!compareDataObjects(dst[e], src[e])) { - return false; - } + var unsupportedFileEncodingErrorCode = -2147024809; + function getSourceFile(fileName, languageVersion, onError) { + var text; + try { + ts.performance.mark("beforeIORead"); + text = ts.sys.readFile(fileName, options.charset); + ts.performance.mark("afterIORead"); + ts.performance.measure("I/O Read", "beforeIORead", "afterIORead"); } - else if (typeof dst[e] !== "function") { - if (dst[e] !== src[e]) { - return false; + catch (e) { + if (onError) { + onError(e.number === unsupportedFileEncodingErrorCode + ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText + : e.message); } + text = ""; } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; } - return true; - } - ts.compareDataObjects = compareDataObjects; - function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { - if (node.kind === 171 || - node.kind === 172) { - if (node.parent.kind === 188 && - node.parent.left === node && - node.parent.operatorToken.kind === 57) { + function directoryExists(directoryPath) { + if (directoryPath in existingDirectories) { return true; } - if (node.parent.kind === 209 && - node.parent.initializer === node) { + if (ts.sys.directoryExists(directoryPath)) { + existingDirectories[directoryPath] = true; return true; } - if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 253 ? node.parent.parent : node.parent)) { - return true; + return false; + } + function ensureDirectoriesExist(directoryPath) { + if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { + var parentDirectory = ts.getDirectoryPath(directoryPath); + ensureDirectoriesExist(parentDirectory); + ts.sys.createDirectory(directoryPath); } } - return false; - } - ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; - function hasTrailingDirectorySeparator(path) { - var lastCharacter = path.charAt(path.length - 1); - return lastCharacter === "/" || lastCharacter === "\\"; - } - ts.hasTrailingDirectorySeparator = hasTrailingDirectorySeparator; - function isInReferenceComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, isReferenceComment); - function isReferenceComment(c) { - var commentText = sourceFile.text.substring(c.pos, c.end); - return tripleSlashDirectivePrefixRegex.test(commentText); + var outputFingerprints; + function writeFileIfUpdated(fileName, data, writeByteOrderMark) { + if (!outputFingerprints) { + outputFingerprints = ts.createMap(); + } + var hash = ts.sys.createHash(data); + var mtimeBefore = ts.sys.getModifiedTime(fileName); + if (mtimeBefore && fileName in outputFingerprints) { + var fingerprint = outputFingerprints[fileName]; + if (fingerprint.byteOrderMark === writeByteOrderMark && + fingerprint.hash === hash && + fingerprint.mtime.getTime() === mtimeBefore.getTime()) { + return; + } + } + ts.sys.writeFile(fileName, data, writeByteOrderMark); + var mtimeAfter = ts.sys.getModifiedTime(fileName); + outputFingerprints[fileName] = { + hash: hash, + byteOrderMark: writeByteOrderMark, + mtime: mtimeAfter + }; + } + function writeFile(fileName, data, writeByteOrderMark, onError) { + try { + ts.performance.mark("beforeIOWrite"); + ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); + if (ts.isWatchSet(options) && ts.sys.createHash && ts.sys.getModifiedTime) { + writeFileIfUpdated(fileName, data, writeByteOrderMark); + } + else { + ts.sys.writeFile(fileName, data, writeByteOrderMark); + } + ts.performance.mark("afterIOWrite"); + ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + function getDefaultLibLocation() { + return ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())); } + var newLine = ts.getNewLineCharacter(options); + var realpath = ts.sys.realpath && (function (path) { return ts.sys.realpath(path); }); + return { + getSourceFile: getSourceFile, + getDefaultLibLocation: getDefaultLibLocation, + getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, + getCanonicalFileName: getCanonicalFileName, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, + readFile: function (fileName) { return ts.sys.readFile(fileName); }, + trace: function (s) { return ts.sys.write(s + newLine); }, + directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); }, + getEnvironmentVariable: function (name) { return ts.sys.getEnvironmentVariable ? ts.sys.getEnvironmentVariable(name) : ""; }, + getDirectories: function (path) { return ts.sys.getDirectories(path); }, + realpath: realpath + }; } - ts.isInReferenceComment = isInReferenceComment; - function isInNonReferenceComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, isNonReferenceComment); - function isNonReferenceComment(c) { - var commentText = sourceFile.text.substring(c.pos, c.end); - return !tripleSlashDirectivePrefixRegex.test(commentText); + ts.createCompilerHost = createCompilerHost; + function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (program.getCompilerOptions().declaration) { + diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); } + return ts.sortAndDeduplicateDiagnostics(diagnostics); } - ts.isInNonReferenceComment = isInNonReferenceComment; -})(ts || (ts = {})); -(function (ts) { - function isFirstDeclarationOfSymbolParameter(symbol) { - return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 143; + ts.getPreEmitDiagnostics = getPreEmitDiagnostics; + function formatDiagnostics(diagnostics, host) { + var output = ""; + for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) { + var diagnostic = diagnostics_1[_i]; + if (diagnostic.file) { + var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; + var fileName = diagnostic.file.fileName; + var relativeFileName = ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }); + output += relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): "; + } + var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); + output += category + " TS" + diagnostic.code + ": " + flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()) + host.getNewLine(); + } + return output; } - ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; - var displayPartWriter = getDisplayPartWriter(); - function getDisplayPartWriter() { - var displayParts; - var lineStart; - var indent; - resetWriter(); - return { - displayParts: function () { return displayParts; }, - writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, - writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, - writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, - writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, - writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, - writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, - writeSymbol: writeSymbol, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - clear: resetWriter, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - function writeIndent() { - if (lineStart) { - var indentString = ts.getIndentString(indent); - if (indentString) { - displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); + ts.formatDiagnostics = formatDiagnostics; + function flattenDiagnosticMessageText(messageText, newLine) { + if (typeof messageText === "string") { + return messageText; + } + else { + var diagnosticChain = messageText; + var result = ""; + var indent = 0; + while (diagnosticChain) { + if (indent) { + result += newLine; + for (var i = 0; i < indent; i++) { + result += " "; + } } - lineStart = false; + result += diagnosticChain.messageText; + indent++; + diagnosticChain = diagnosticChain.next; } + return result; } - function writeKind(text, kind) { - writeIndent(); - displayParts.push(displayPart(text, kind)); + } + ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; + function loadWithLocalCache(names, containingFile, loader) { + if (names.length === 0) { + return []; } - function writeSymbol(text, symbol) { - writeIndent(); - displayParts.push(symbolPart(text, symbol)); + var resolutions = []; + var cache = ts.createMap(); + for (var _i = 0, names_2 = names; _i < names_2.length; _i++) { + var name_46 = names_2[_i]; + var result = name_46 in cache + ? cache[name_46] + : cache[name_46] = loader(name_46, containingFile); + resolutions.push(result); } - function writeLine() { - displayParts.push(lineBreakPart()); - lineStart = true; + return resolutions; + } + function createProgram(rootNames, options, host, oldProgram) { + var program; + var files = []; + var commonSourceDirectory; + var diagnosticsProducingTypeChecker; + var noDiagnosticsTypeChecker; + var classifiableNames; + var resolvedTypeReferenceDirectives = ts.createMap(); + var fileProcessingDiagnostics = ts.createDiagnosticCollection(); + var maxNodeModulesJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0; + var currentNodeModulesDepth = 0; + var modulesWithElidedImports = ts.createMap(); + var sourceFilesFoundSearchingNodeModules = ts.createMap(); + ts.performance.mark("beforeProgram"); + host = host || createCompilerHost(options); + var skipDefaultLib = options.noLib; + var programDiagnostics = ts.createDiagnosticCollection(); + var currentDirectory = host.getCurrentDirectory(); + var supportedExtensions = ts.getSupportedExtensions(options); + var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); + var resolveModuleNamesWorker; + if (host.resolveModuleNames) { + resolveModuleNamesWorker = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; } - function resetWriter() { - displayParts = []; - lineStart = true; - indent = 0; + else { + var loader_1 = function (moduleName, containingFile) { return ts.resolveModuleName(moduleName, containingFile, options, host).resolvedModule; }; + resolveModuleNamesWorker = function (moduleNames, containingFile) { return loadWithLocalCache(moduleNames, containingFile, loader_1); }; } - } - function symbolPart(text, symbol) { - return displayPart(text, displayPartKind(symbol)); - function displayPartKind(symbol) { - var flags = symbol.flags; - if (flags & 3) { - return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; - } - else if (flags & 4) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 32768) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 65536) { - return ts.SymbolDisplayPartKind.propertyName; + var resolveTypeReferenceDirectiveNamesWorker; + if (host.resolveTypeReferenceDirectives) { + resolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile) { return host.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile); }; + } + else { + var loader_2 = function (typesRef, containingFile) { return ts.resolveTypeReferenceDirective(typesRef, containingFile, options, host).resolvedTypeReferenceDirective; }; + resolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile) { return loadWithLocalCache(typeReferenceDirectiveNames, containingFile, loader_2); }; + } + var filesByName = ts.createFileMap(); + var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; + if (!tryReuseStructureFromOldProgram()) { + ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); + var typeReferences = ts.getAutomaticTypeDirectiveNames(options, host); + if (typeReferences.length) { + var containingFilename = ts.combinePaths(host.getCurrentDirectory(), "__inferred type names__.ts"); + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename); + for (var i = 0; i < typeReferences.length; i++) { + processTypeReferenceDirective(typeReferences[i], resolutions[i]); + } } - else if (flags & 8) { - return ts.SymbolDisplayPartKind.enumMemberName; + if (!skipDefaultLib) { + if (!options.lib) { + processRootFile(host.getDefaultLibFileName(options), true); + } + else { + var libDirectory_1 = host.getDefaultLibLocation ? host.getDefaultLibLocation() : ts.getDirectoryPath(host.getDefaultLibFileName(options)); + ts.forEach(options.lib, function (libFileName) { + processRootFile(ts.combinePaths(libDirectory_1, libFileName), true); + }); + } } - else if (flags & 16) { - return ts.SymbolDisplayPartKind.functionName; + } + oldProgram = undefined; + program = { + getRootFileNames: function () { return rootNames; }, + getSourceFile: getSourceFile, + getSourceFileByPath: getSourceFileByPath, + getSourceFiles: function () { return files; }, + getCompilerOptions: function () { return options; }, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getOptionsDiagnostics: getOptionsDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getDeclarationDiagnostics: getDeclarationDiagnostics, + getTypeChecker: getTypeChecker, + getClassifiableNames: getClassifiableNames, + getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, + getCommonSourceDirectory: getCommonSourceDirectory, + emit: emit, + getCurrentDirectory: function () { return currentDirectory; }, + getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, + getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, + getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, + getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, + getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; }, + getResolvedTypeReferenceDirectives: function () { return resolvedTypeReferenceDirectives; }, + dropDiagnosticsProducingTypeChecker: dropDiagnosticsProducingTypeChecker + }; + verifyCompilerOptions(); + ts.performance.mark("afterProgram"); + ts.performance.measure("Program", "beforeProgram", "afterProgram"); + return program; + function getCommonSourceDirectory() { + if (typeof commonSourceDirectory === "undefined") { + if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { + commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + } + else { + commonSourceDirectory = computeCommonSourceDirectory(files); + } + if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { + commonSourceDirectory += ts.directorySeparator; + } } - else if (flags & 32) { - return ts.SymbolDisplayPartKind.className; + return commonSourceDirectory; + } + function getClassifiableNames() { + if (!classifiableNames) { + getTypeChecker(); + classifiableNames = ts.createMap(); + for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { + var sourceFile = files_2[_i]; + ts.copyProperties(sourceFile.classifiableNames, classifiableNames); + } } - else if (flags & 64) { - return ts.SymbolDisplayPartKind.interfaceName; + return classifiableNames; + } + function tryReuseStructureFromOldProgram() { + if (!oldProgram) { + return false; } - else if (flags & 384) { - return ts.SymbolDisplayPartKind.enumName; + var oldOptions = oldProgram.getCompilerOptions(); + if (ts.changesAffectModuleResolution(oldOptions, options)) { + return false; } - else if (flags & 1536) { - return ts.SymbolDisplayPartKind.moduleName; + ts.Debug.assert(!oldProgram.structureIsReused); + var oldRootNames = oldProgram.getRootFileNames(); + if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { + return false; } - else if (flags & 8192) { - return ts.SymbolDisplayPartKind.methodName; + if (!ts.arrayIsEqualTo(options.types, oldOptions.types)) { + return false; } - else if (flags & 262144) { - return ts.SymbolDisplayPartKind.typeParameterName; + var newSourceFiles = []; + var filePaths = []; + var modifiedSourceFiles = []; + for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { + var oldSourceFile = _a[_i]; + var newSourceFile = host.getSourceFileByPath + ? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.path, options.target) + : host.getSourceFile(oldSourceFile.fileName, options.target); + if (!newSourceFile) { + return false; + } + newSourceFile.path = oldSourceFile.path; + filePaths.push(newSourceFile.path); + if (oldSourceFile !== newSourceFile) { + if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { + return false; + } + collectExternalModuleReferences(newSourceFile); + if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) { + return false; + } + var newSourceFilePath = ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory); + if (resolveModuleNamesWorker) { + var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, newSourceFilePath); + var resolutionsChanged = ts.hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, ts.moduleResolutionIsEqualTo); + if (resolutionsChanged) { + return false; + } + } + if (resolveTypeReferenceDirectiveNamesWorker) { + var typesReferenceDirectives = ts.map(newSourceFile.typeReferenceDirectives, function (x) { return x.fileName; }); + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFilePath); + var resolutionsChanged = ts.hasChangesInResolutions(typesReferenceDirectives, resolutions, oldSourceFile.resolvedTypeReferenceDirectiveNames, ts.typeDirectiveIsEqualTo); + if (resolutionsChanged) { + return false; + } + } + newSourceFile.resolvedModules = oldSourceFile.resolvedModules; + newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames; + modifiedSourceFiles.push(newSourceFile); + } + else { + newSourceFile = oldSourceFile; + } + newSourceFiles.push(newSourceFile); } - else if (flags & 524288) { - return ts.SymbolDisplayPartKind.aliasName; + for (var i = 0, len = newSourceFiles.length; i < len; i++) { + filesByName.set(filePaths[i], newSourceFiles[i]); } - else if (flags & 8388608) { - return ts.SymbolDisplayPartKind.aliasName; + files = newSourceFiles; + fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); + for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { + var modifiedFile = modifiedSourceFiles_1[_b]; + fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); } - return ts.SymbolDisplayPartKind.text; - } - } - ts.symbolPart = symbolPart; - function displayPart(text, kind) { - return { - text: text, - kind: ts.SymbolDisplayPartKind[kind] - }; - } - ts.displayPart = displayPart; - function spacePart() { - return displayPart(" ", ts.SymbolDisplayPartKind.space); - } - ts.spacePart = spacePart; - function keywordPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); - } - ts.keywordPart = keywordPart; - function punctuationPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); - } - ts.punctuationPart = punctuationPart; - function operatorPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); - } - ts.operatorPart = operatorPart; - function textOrKeywordPart(text) { - var kind = ts.stringToToken(text); - return kind === undefined - ? textPart(text) - : keywordPart(kind); - } - ts.textOrKeywordPart = textOrKeywordPart; - function textPart(text) { - return displayPart(text, ts.SymbolDisplayPartKind.text); - } - ts.textPart = textPart; - var carriageReturnLineFeed = "\r\n"; - function getNewLineOrDefaultFromHost(host) { - return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; - } - ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; - function lineBreakPart() { - return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); - } - ts.lineBreakPart = lineBreakPart; - function mapToDisplayParts(writeDisplayParts) { - writeDisplayParts(displayPartWriter); - var result = displayPartWriter.displayParts(); - displayPartWriter.clear(); - return result; - } - ts.mapToDisplayParts = mapToDisplayParts; - function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - }); - } - ts.typeToDisplayParts = typeToDisplayParts; - function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { - return mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); - }); - } - ts.symbolToDisplayParts = symbolToDisplayParts; - function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); - }); - } - ts.signatureToDisplayParts = signatureToDisplayParts; - function getDeclaredName(typeChecker, symbol, location) { - if (isImportOrExportSpecifierName(location)) { - return location.getText(); + resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives(); + oldProgram.structureIsReused = true; + return true; } - else if (ts.isStringOrNumericLiteral(location.kind) && - location.parent.kind === 141) { - return location.text; + function getEmitHost(writeFileCallback) { + return { + getCanonicalFileName: getCanonicalFileName, + getCommonSourceDirectory: program.getCommonSourceDirectory, + getCompilerOptions: program.getCompilerOptions, + getCurrentDirectory: function () { return currentDirectory; }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: program.getSourceFile, + getSourceFileByPath: program.getSourceFileByPath, + getSourceFiles: program.getSourceFiles, + isSourceFileFromExternalLibrary: function (file) { return !!sourceFilesFoundSearchingNodeModules[file.path]; }, + writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError, sourceFiles) { return host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles); }), + isEmitBlocked: isEmitBlocked, + }; } - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); - return name; - } - ts.getDeclaredName = getDeclaredName; - function isImportOrExportSpecifierName(location) { - return location.parent && - (location.parent.kind === 235 || location.parent.kind === 239) && - location.parent.propertyName === location; - } - ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; - function stripQuotes(name) { - var length = name.length; - if (length >= 2 && - name.charCodeAt(0) === name.charCodeAt(length - 1) && - (name.charCodeAt(0) === 34 || name.charCodeAt(0) === 39)) { - return name.substring(1, length - 1); + function getDiagnosticsProducingTypeChecker() { + return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); } - ; - return name; - } - ts.stripQuotes = stripQuotes; - function scriptKindIs(fileName, host) { - var scriptKinds = []; - for (var _i = 2; _i < arguments.length; _i++) { - scriptKinds[_i - 2] = arguments[_i]; + function dropDiagnosticsProducingTypeChecker() { + diagnosticsProducingTypeChecker = undefined; } - var scriptKind = getScriptKind(fileName, host); - return ts.forEach(scriptKinds, function (k) { return k === scriptKind; }); - } - ts.scriptKindIs = scriptKindIs; - function getScriptKind(fileName, host) { - var scriptKind; - if (host && host.getScriptKind) { - scriptKind = host.getScriptKind(fileName); + function getTypeChecker() { + return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); } - if (!scriptKind) { - scriptKind = ts.getScriptKindFromFileName(fileName); + function emit(sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { + return runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles); }); } - return ts.ensureScriptKind(fileName, scriptKind); - } - ts.getScriptKind = getScriptKind; - function sanitizeConfigFile(configFileName, content) { - var options = { - fileName: "config.js", - compilerOptions: { - target: 2, - removeComments: true - }, - reportDiagnostics: true - }; - var _a = ts.transpileModule("(" + content + ")", options), outputText = _a.outputText, diagnostics = _a.diagnostics; - var trimmedOutput = outputText.trim(); - for (var _i = 0, diagnostics_2 = diagnostics; _i < diagnostics_2.length; _i++) { - var diagnostic = diagnostics_2[_i]; - diagnostic.start = diagnostic.start - 1; + function isEmitBlocked(emitFileName) { + return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); } - var _b = ts.parseConfigFileTextToJson(configFileName, trimmedOutput.substring(1, trimmedOutput.length - 2), false), config = _b.config, error = _b.error; - return { - configJsonObject: config || {}, - diagnostics: error ? ts.concatenate(diagnostics, [error]) : diagnostics - }; - } - ts.sanitizeConfigFile = sanitizeConfigFile; -})(ts || (ts = {})); -var ts; -(function (ts) { - var BreakpointResolver; - (function (BreakpointResolver) { - function spanInSourceFileAtLocation(sourceFile, position) { - if (sourceFile.isDeclarationFile) { - return undefined; + function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { + var declarationDiagnostics = []; + if (options.noEmit) { + return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true }; } - var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); - var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { - tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); - if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { - return undefined; + if (options.noEmitOnError) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { + declarationDiagnostics = program.getDeclarationDiagnostics(undefined, cancellationToken); + } + if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { + return { + diagnostics: ts.concatenate(diagnostics, declarationDiagnostics), + sourceMaps: undefined, + emittedFiles: undefined, + emitSkipped: true + }; } } - if (ts.isInAmbientContext(tokenAtLocation)) { - return undefined; - } - return spanInNode(tokenAtLocation); - function textSpan(startNode, endNode) { - var start = startNode.decorators ? - ts.skipTrivia(sourceFile.text, startNode.decorators.end) : - startNode.getStart(sourceFile); - return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); - } - function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { - return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); + var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); + ts.performance.mark("beforeEmit"); + var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile, emitOnlyDtsFiles); + ts.performance.mark("afterEmit"); + ts.performance.measure("Emit", "beforeEmit", "afterEmit"); + return emitResult; + } + function getSourceFile(fileName) { + return getSourceFileByPath(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getSourceFileByPath(path) { + return filesByName.get(path); + } + function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { + if (sourceFile) { + return getDiagnostics(sourceFile, cancellationToken); } - function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { - if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { - return spanInNode(node); + var allDiagnostics = []; + ts.forEach(program.getSourceFiles(), function (sourceFile) { + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); } - return spanInNode(otherwiseOnNode); + ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); + }); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getSyntacticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + } + function getSemanticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + } + function getDeclarationDiagnostics(sourceFile, cancellationToken) { + var options = program.getCompilerOptions(); + if (!sourceFile || options.out || options.outFile) { + return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); } - function spanInNodeArray(nodeArray) { - return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); + else { + return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); } - function spanInPreviousNode(node) { - return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); + } + function getSyntacticDiagnosticsForFile(sourceFile) { + return sourceFile.parseDiagnostics; + } + function runWithCancellationToken(func) { + try { + return func(); } - function spanInNextNode(node) { - return spanInNode(ts.findNextToken(node, node.parent)); + catch (e) { + if (e instanceof ts.OperationCanceledException) { + noDiagnosticsTypeChecker = undefined; + diagnosticsProducingTypeChecker = undefined; + } + throw e; } - function spanInNode(node) { - if (node) { + } + function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var typeChecker = getDiagnosticsProducingTypeChecker(); + ts.Debug.assert(!!sourceFile.bindDiagnostics); + var bindDiagnostics = sourceFile.bindDiagnostics; + var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? + getJavaScriptSemanticDiagnosticsForFile(sourceFile) : + typeChecker.getDiagnostics(sourceFile, cancellationToken); + var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); + var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); + return bindDiagnostics.concat(checkDiagnostics, fileProcessingDiagnosticsInFile, programDiagnosticsInFile); + }); + } + function getJavaScriptSemanticDiagnosticsForFile(sourceFile) { + return runWithCancellationToken(function () { + var diagnostics = []; + walk(sourceFile); + return diagnostics; + function walk(node) { + if (!node) { + return false; + } switch (node.kind) { - case 201: - return spanInVariableDeclaration(node.declarationList.declarations[0]); - case 219: - case 146: - case 145: - return spanInVariableDeclaration(node); - case 143: - return spanInParameterDeclaration(node); - case 221: + case 230: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); + return true; + case 236: + if (node.isExportEquals) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 222: + var classDeclaration = node; + if (checkModifiers(classDeclaration.modifiers) || + checkTypeParameters(classDeclaration.typeParameters)) { + return true; + } + break; + case 251: + var heritageClause = node; + if (heritageClause.token === 107) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 223: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 226: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 224: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); + return true; case 148: case 147: + case 149: case 150: case 151: - case 149: case 180: + case 221: case 181: - return spanInFunctionDeclaration(node); - case 200: - if (ts.isFunctionBlock(node)) { - return spanInFunctionBlock(node); + case 221: + var functionDeclaration = node; + if (checkModifiers(functionDeclaration.modifiers) || + checkTypeParameters(functionDeclaration.typeParameters) || + checkTypeAnnotation(functionDeclaration.type)) { + return true; } - case 227: - return spanInBlock(node); - case 252: - return spanInBlock(node.block); - case 203: - return textSpan(node.expression); - case 212: - return textSpan(node.getChildAt(0), node.expression); - case 206: - return textSpanEndingAtNextToken(node, node.expression); - case 205: - return spanInNode(node.statement); - case 218: - return textSpan(node.getChildAt(0)); - case 204: - return textSpanEndingAtNextToken(node, node.expression); - case 215: - return spanInNode(node.statement); - case 211: - case 210: - return textSpan(node.getChildAt(0), node.label); - case 207: - return spanInForStatement(node); - case 208: - return textSpanEndingAtNextToken(node, node.expression); - case 209: - return spanInInitializerOfForLike(node); - case 214: - return textSpanEndingAtNextToken(node, node.expression); - case 249: - case 250: - return spanInNode(node.statements[0]); - case 217: - return spanInBlock(node.tryBlock); - case 216: - return textSpan(node, node.expression); - case 236: - return textSpan(node, node.expression); - case 230: - return textSpan(node, node.moduleReference); - case 231: - return textSpan(node, node.moduleSpecifier); - case 237: - return textSpan(node, node.moduleSpecifier); - case 226: - if (ts.getModuleInstanceState(node) !== 1) { - return undefined; + break; + case 201: + var variableStatement = node; + if (checkModifiers(variableStatement.modifiers)) { + return true; } - case 222: - case 225: - case 255: - case 170: - return textSpan(node); - case 213: - return spanInNode(node.statement); - case 144: - return spanInNodeArray(node.parent.decorators); - case 168: - case 169: - return spanInBindingPattern(node); - case 223: - case 224: - return undefined; - case 24: - case 1: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); - case 25: - return spanInPreviousNode(node); - case 16: - return spanInOpenBraceToken(node); - case 17: - return spanInCloseBraceToken(node); - case 21: - return spanInCloseBracketToken(node); - case 18: - return spanInOpenParenToken(node); - case 19: - return spanInCloseParenToken(node); - case 55: - return spanInColonToken(node); - case 28: - case 26: - return spanInGreaterThanOrLessThanToken(node); - case 105: - return spanInWhileKeyword(node); - case 81: - case 73: - case 86: - return spanInNextNode(node); - case 139: - return spanInOfKeyword(node); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); + break; + case 219: + var variableDeclaration = node; + if (checkTypeAnnotation(variableDeclaration.type)) { + return true; } - if ((node.kind === 70 || - node.kind == 192 || - node.kind === 253 || - node.kind === 254) && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - return textSpan(node); + break; + case 175: + case 176: + var expression = node; + if (expression.typeArguments && expression.typeArguments.length > 0) { + var start = expression.typeArguments.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start, expression.typeArguments.end - start, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); + return true; } - if (node.kind === 188) { - var binaryExpression = node; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); - } - if (binaryExpression.operatorToken.kind === 57 && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { - return textSpan(node); - } - if (binaryExpression.operatorToken.kind === 25) { - return spanInNode(binaryExpression.left); - } + break; + case 143: + var parameter = node; + if (parameter.modifiers) { + var start = parameter.modifiers.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start, parameter.modifiers.end - start, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); + return true; } - if (ts.isPartOfExpression(node)) { - switch (node.parent.kind) { - case 205: - return spanInPreviousNode(node); - case 144: - return spanInNode(node.parent); - case 207: - case 209: - return textSpan(node); - case 188: - if (node.parent.operatorToken.kind === 25) { - return textSpan(node); - } - break; - case 181: - if (node.parent.body === node) { - return textSpan(node); - } - break; + if (parameter.questionToken) { + diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); + return true; + } + if (parameter.type) { + diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 146: + var propertyDeclaration = node; + if (propertyDeclaration.modifiers) { + for (var _i = 0, _a = propertyDeclaration.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + if (modifier.kind !== 114) { + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + } } } - if (node.parent.kind === 253 && - node.parent.name === node && - !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { - return spanInNode(node.parent.initializer); + if (checkTypeAnnotation(node.type)) { + return true; } - if (node.parent.kind === 178 && node.parent.type === node) { - return spanInNextNode(node.parent.type); + break; + case 225: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 178: + var typeAssertionExpression = node; + diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); + return true; + case 144: + if (!options.experimentalDecorators) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); } - if (ts.isFunctionLike(node.parent) && node.parent.type === node) { - return spanInPreviousNode(node); + return true; + } + return ts.forEachChild(node, walk); + } + function checkTypeParameters(typeParameters) { + if (typeParameters) { + var start = typeParameters.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start, typeParameters.end - start, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkTypeAnnotation(type) { + if (type) { + diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkModifiers(modifiers) { + if (modifiers) { + for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { + var modifier = modifiers_1[_i]; + switch (modifier.kind) { + case 113: + case 111: + case 112: + case 129: + case 123: + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + case 114: + case 83: + case 75: + case 78: + case 116: } - if ((node.parent.kind === 219 || - node.parent.kind === 143)) { - var paramOrVarDecl = node.parent; - if (paramOrVarDecl.initializer === node || - paramOrVarDecl.type === node || - ts.isAssignmentOperator(node.kind)) { - return spanInPreviousNode(node); - } + } + } + return false; + } + }); + } + function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); + return ts.getDeclarationDiagnostics(getEmitHost(ts.noop), resolver, sourceFile); + }); + } + function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { + return ts.isDeclarationFile(sourceFile) ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + } + function getOptionsDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); + ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getGlobalDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function hasExtension(fileName) { + return ts.getBaseFileName(fileName).indexOf(".") >= 0; + } + function processRootFile(fileName, isDefaultLib) { + processSourceFile(ts.normalizePath(fileName), isDefaultLib); + } + function fileReferenceIsEqualTo(a, b) { + return a.fileName === b.fileName; + } + function moduleNameIsEqualTo(a, b) { + return a.text === b.text; + } + function getTextOfLiteral(literal) { + return literal.text; + } + function collectExternalModuleReferences(file) { + if (file.imports) { + return; + } + var isJavaScriptFile = ts.isSourceFileJavaScript(file); + var isExternalModuleFile = ts.isExternalModule(file); + var imports; + var moduleAugmentations; + if (options.importHelpers + && (options.isolatedModules || isExternalModuleFile) + && !file.isDeclarationFile) { + var externalHelpersModuleReference = ts.createNode(9); + externalHelpersModuleReference.text = ts.externalHelpersModuleNameText; + externalHelpersModuleReference.parent = file; + imports = [externalHelpersModuleReference]; + } + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var node = _a[_i]; + collectModuleReferences(node, false); + if (isJavaScriptFile) { + collectRequireCalls(node); + } + } + file.imports = imports || emptyArray; + file.moduleAugmentations = moduleAugmentations || emptyArray; + return; + function collectModuleReferences(node, inAmbientModule) { + switch (node.kind) { + case 231: + case 230: + case 237: + var moduleNameExpr = ts.getExternalModuleName(node); + if (!moduleNameExpr || moduleNameExpr.kind !== 9) { + break; + } + if (!moduleNameExpr.text) { + break; + } + if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { + (imports || (imports = [])).push(moduleNameExpr); + } + break; + case 226: + if (ts.isAmbientModule(node) && (inAmbientModule || ts.hasModifier(node, 2) || ts.isDeclarationFile(file))) { + var moduleName = node.name; + if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { + (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); } - if (node.parent.kind === 188) { - var binaryExpression = node.parent; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && - (binaryExpression.right === node || - binaryExpression.operatorToken === node)) { - return spanInPreviousNode(node); + else if (!inAmbientModule) { + var body = node.body; + if (body) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + collectModuleReferences(statement, true); + } } } - return spanInNode(node.parent); + } + } + } + function collectRequireCalls(node) { + if (ts.isRequireCall(node, true)) { + (imports || (imports = [])).push(node.arguments[0]); + } + else { + ts.forEachChild(node, collectRequireCalls); + } + } + } + function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { + var diagnosticArgument; + var diagnostic; + if (hasExtension(fileName)) { + if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { + diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; + diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; + } + else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { + diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; + diagnosticArgument = [fileName]; + } + } + else { + var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); + if (!nonTsFile) { + if (options.allowNonTsExtensions) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { + diagnostic = ts.Diagnostics.File_0_not_found; + fileName += ".ts"; + diagnosticArgument = [fileName]; + } + } + } + if (diagnostic) { + if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); + } + } + } + function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + } + function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { + if (filesByName.contains(path)) { + var file_1 = filesByName.get(path); + if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { + reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); + } + if (file_1 && sourceFilesFoundSearchingNodeModules[file_1.path] && currentNodeModulesDepth == 0) { + sourceFilesFoundSearchingNodeModules[file_1.path] = false; + if (!options.noResolve) { + processReferencedFiles(file_1, isDefaultLib); + processTypeReferenceDirectives(file_1); + } + modulesWithElidedImports[file_1.path] = false; + processImportedModules(file_1); + } + else if (file_1 && modulesWithElidedImports[file_1.path]) { + if (currentNodeModulesDepth < maxNodeModulesJsDepth) { + modulesWithElidedImports[file_1.path] = false; + processImportedModules(file_1); + } + } + return file_1; + } + var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + }); + filesByName.set(path, file); + if (file) { + sourceFilesFoundSearchingNodeModules[path] = (currentNodeModulesDepth > 0); + file.path = path; + if (host.useCaseSensitiveFileNames()) { + var existingFile = filesByNameIgnoreCase.get(path); + if (existingFile) { + reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); + } + else { + filesByNameIgnoreCase.set(path, file); } } - function textSpanFromVariableDeclaration(variableDeclaration) { - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] === variableDeclaration) { - return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); + skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; + if (!options.noResolve) { + processReferencedFiles(file, isDefaultLib); + processTypeReferenceDirectives(file); + } + processImportedModules(file); + if (isDefaultLib) { + files.unshift(file); + } + else { + files.push(file); + } + } + return file; + } + function processReferencedFiles(file, isDefaultLib) { + ts.forEach(file.referencedFiles, function (ref) { + var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); + processSourceFile(referencedFileName, isDefaultLib, file, ref.pos, ref.end); + }); + } + function processTypeReferenceDirectives(file) { + var typeDirectives = ts.map(file.typeReferenceDirectives, function (ref) { return ref.fileName.toLocaleLowerCase(); }); + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file.fileName); + for (var i = 0; i < typeDirectives.length; i++) { + var ref = file.typeReferenceDirectives[i]; + var resolvedTypeReferenceDirective = resolutions[i]; + var fileName = ref.fileName.toLocaleLowerCase(); + ts.setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective); + processTypeReferenceDirective(fileName, resolvedTypeReferenceDirective, file, ref.pos, ref.end); + } + } + function processTypeReferenceDirective(typeReferenceDirective, resolvedTypeReferenceDirective, refFile, refPos, refEnd) { + var previousResolution = resolvedTypeReferenceDirectives[typeReferenceDirective]; + if (previousResolution && previousResolution.primary) { + return; + } + var saveResolution = true; + if (resolvedTypeReferenceDirective) { + if (resolvedTypeReferenceDirective.primary) { + processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); + } + else { + if (previousResolution) { + var otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName); + if (otherFileText !== getSourceFile(previousResolution.resolvedFileName).text) { + fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName)); + } + saveResolution = false; } else { - return textSpan(variableDeclaration); + processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); } } - function spanInVariableDeclaration(variableDeclaration) { - if (variableDeclaration.parent.parent.kind === 208) { - return spanInNode(variableDeclaration.parent.parent); + } + else { + fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Cannot_find_type_definition_file_for_0, typeReferenceDirective)); + } + if (saveResolution) { + resolvedTypeReferenceDirectives[typeReferenceDirective] = resolvedTypeReferenceDirective; + } + } + function createDiagnostic(refFile, refPos, refEnd, message) { + var args = []; + for (var _i = 4; _i < arguments.length; _i++) { + args[_i - 4] = arguments[_i]; + } + if (refFile === undefined || refPos === undefined || refEnd === undefined) { + return ts.createCompilerDiagnostic.apply(void 0, [message].concat(args)); + } + else { + return ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, message].concat(args)); + } + } + function getCanonicalFileName(fileName) { + return host.getCanonicalFileName(fileName); + } + function processImportedModules(file) { + collectExternalModuleReferences(file); + if (file.imports.length || file.moduleAugmentations.length) { + file.resolvedModules = ts.createMap(); + var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var resolution = resolutions[i]; + ts.setResolvedModule(file, moduleNames[i], resolution); + var isFromNodeModulesSearch = resolution && resolution.isExternalLibraryImport; + var isJsFileFromNodeModules = isFromNodeModulesSearch && ts.hasJavaScriptFileExtension(resolution.resolvedFileName); + if (isFromNodeModulesSearch) { + currentNodeModulesDepth++; } - if (ts.isBindingPattern(variableDeclaration.name)) { - return spanInBindingPattern(variableDeclaration.name); + var elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModulesJsDepth; + var shouldAddFile = resolution && !options.noResolve && i < file.imports.length && !elideImport; + if (elideImport) { + modulesWithElidedImports[file.path] = true; } - if (variableDeclaration.initializer || - ts.hasModifier(variableDeclaration, 1) || - variableDeclaration.parent.parent.kind === 209) { - return textSpanFromVariableDeclaration(variableDeclaration); + else if (shouldAddFile) { + findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); } - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] !== variableDeclaration) { - return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); + if (isFromNodeModulesSearch) { + currentNodeModulesDepth--; } } - function canHaveSpanInParameterDeclaration(parameter) { - return !!parameter.initializer || parameter.dotDotDotToken !== undefined || - ts.hasModifier(parameter, 4 | 8); + } + else { + file.resolvedModules = undefined; + } + return; + } + function computeCommonSourceDirectory(sourceFiles) { + var fileNames = []; + for (var _i = 0, sourceFiles_6 = sourceFiles; _i < sourceFiles_6.length; _i++) { + var file = sourceFiles_6[_i]; + if (!file.isDeclarationFile) { + fileNames.push(file.fileName); } - function spanInParameterDeclaration(parameter) { - if (ts.isBindingPattern(parameter.name)) { - return spanInBindingPattern(parameter.name); + } + return computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName); + } + function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { + var allFilesBelongToPath = true; + if (sourceFiles) { + var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); + for (var _i = 0, sourceFiles_7 = sourceFiles; _i < sourceFiles_7.length; _i++) { + var sourceFile = sourceFiles_7[_i]; + if (!ts.isDeclarationFile(sourceFile)) { + var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); + if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); + allFilesBelongToPath = false; + } } - else if (canHaveSpanInParameterDeclaration(parameter)) { - return textSpan(parameter); + } + } + return allFilesBelongToPath; + } + function verifyCompilerOptions() { + if (options.isolatedModules) { + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); + } + if (options.noEmitOnError) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); + } + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); + } + } + if (options.inlineSourceMap) { + if (options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); + } + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); + } + } + if (options.paths && options.baseUrl === undefined) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option)); + } + if (options.paths) { + for (var key in options.paths) { + if (!ts.hasProperty(options.paths, key)) { + continue; } - else { - var functionDeclaration = parameter.parent; - var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); - if (indexOfParameter) { - return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + if (!ts.hasZeroOrOneAsteriskCharacter(key)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key)); + } + if (ts.isArray(options.paths[key])) { + if (options.paths[key].length === 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key)); } - else { - return spanInNode(functionDeclaration.body); + for (var _i = 0, _a = options.paths[key]; _i < _a.length; _i++) { + var subst = _a[_i]; + var typeOfSubst = typeof subst; + if (typeOfSubst === "string") { + if (!ts.hasZeroOrOneAsteriskCharacter(subst)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key)); + } + } + else { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst)); + } } } + else { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key)); + } } - function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { - return ts.hasModifier(functionDeclaration, 1) || - (functionDeclaration.parent.kind === 222 && functionDeclaration.kind !== 149); + } + if (!options.sourceMap && !options.inlineSourceMap) { + if (options.inlineSources) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources")); + } + if (options.sourceRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot")); + } + } + if (options.out && options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + } + if (options.mapRoot && !options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + if (options.declarationDir) { + if (!options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "declarationDir", "declaration")); + } + if (options.out || options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile")); + } + } + if (options.lib && options.noLib) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib")); + } + if (options.noImplicitUseStrict && options.alwaysStrict) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict")); + } + var languageVersion = options.target || 0; + var outFile = options.outFile || options.out; + var firstNonAmbientExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (options.isolatedModules) { + if (options.module === ts.ModuleKind.None && languageVersion < 2) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (firstNonExternalModuleSourceFile) { + var span_7 = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); + programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span_7.start, span_7.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + } + } + else if (firstNonAmbientExternalModuleSourceFile && languageVersion < 2 && options.module === ts.ModuleKind.None) { + var span_8 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_8.start, span_8.length, ts.Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none)); + } + if (outFile) { + if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); + } + else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) { + var span_9 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_9.start, span_9.length, ts.Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile")); + } + } + if (options.outDir || + options.sourceRoot || + options.mapRoot) { + var dir = getCommonSourceDirectory(); + if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + } + } + if (!options.noEmit && options.allowJs && options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); + } + if (options.emitDecoratorMetadata && + !options.experimentalDecorators) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); + } + if (options.reactNamespace && !ts.isIdentifierText(options.reactNamespace, languageVersion)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); + } + if (!options.noEmit && !options.suppressOutputPathCheck) { + var emitHost = getEmitHost(); + var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); + ts.forEachExpectedEmitFile(emitHost, function (emitFileNames) { + verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); + verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); + }); + } + function verifyEmitFilePath(emitFileName, emitFilesSeen) { + if (emitFileName) { + var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); + if (filesByName.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + } + if (emitFilesSeen.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + } + else { + emitFilesSeen.set(emitFilePath, true); + } + } + } + } + function createEmitBlockingDiagnostics(emitFileName, message) { + hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); + programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + } + } + ts.createProgram = createProgram; +})(ts || (ts = {})); +var ts; +(function (ts) { + var ScriptSnapshot; + (function (ScriptSnapshot) { + var StringScriptSnapshot = (function () { + function StringScriptSnapshot(text) { + this.text = text; + } + StringScriptSnapshot.prototype.getText = function (start, end) { + return this.text.substring(start, end); + }; + StringScriptSnapshot.prototype.getLength = function () { + return this.text.length; + }; + StringScriptSnapshot.prototype.getChangeRange = function () { + return undefined; + }; + return StringScriptSnapshot; + }()); + function fromString(text) { + return new StringScriptSnapshot(text); + } + ScriptSnapshot.fromString = fromString; + })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); + var TextChange = (function () { + function TextChange() { + } + return TextChange; + }()); + ts.TextChange = TextChange; + var HighlightSpanKind; + (function (HighlightSpanKind) { + HighlightSpanKind.none = "none"; + HighlightSpanKind.definition = "definition"; + HighlightSpanKind.reference = "reference"; + HighlightSpanKind.writtenReference = "writtenReference"; + })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); + (function (IndentStyle) { + IndentStyle[IndentStyle["None"] = 0] = "None"; + IndentStyle[IndentStyle["Block"] = 1] = "Block"; + IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; + })(ts.IndentStyle || (ts.IndentStyle = {})); + var IndentStyle = ts.IndentStyle; + (function (SymbolDisplayPartKind) { + SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; + SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; + SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; + SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; + SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; + SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; + SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; + })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); + var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; + (function (TokenClass) { + TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; + TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; + TokenClass[TokenClass["Operator"] = 2] = "Operator"; + TokenClass[TokenClass["Comment"] = 3] = "Comment"; + TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; + TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; + TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; + TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; + TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; + })(ts.TokenClass || (ts.TokenClass = {})); + var TokenClass = ts.TokenClass; + var ScriptElementKind; + (function (ScriptElementKind) { + ScriptElementKind.unknown = ""; + ScriptElementKind.warning = "warning"; + ScriptElementKind.keyword = "keyword"; + ScriptElementKind.scriptElement = "script"; + ScriptElementKind.moduleElement = "module"; + ScriptElementKind.classElement = "class"; + ScriptElementKind.localClassElement = "local class"; + ScriptElementKind.interfaceElement = "interface"; + ScriptElementKind.typeElement = "type"; + ScriptElementKind.enumElement = "enum"; + ScriptElementKind.enumMemberElement = "const"; + ScriptElementKind.variableElement = "var"; + ScriptElementKind.localVariableElement = "local var"; + ScriptElementKind.functionElement = "function"; + ScriptElementKind.localFunctionElement = "local function"; + ScriptElementKind.memberFunctionElement = "method"; + ScriptElementKind.memberGetAccessorElement = "getter"; + ScriptElementKind.memberSetAccessorElement = "setter"; + ScriptElementKind.memberVariableElement = "property"; + ScriptElementKind.constructorImplementationElement = "constructor"; + ScriptElementKind.callSignatureElement = "call"; + ScriptElementKind.indexSignatureElement = "index"; + ScriptElementKind.constructSignatureElement = "construct"; + ScriptElementKind.parameterElement = "parameter"; + ScriptElementKind.typeParameterElement = "type parameter"; + ScriptElementKind.primitiveType = "primitive type"; + ScriptElementKind.label = "label"; + ScriptElementKind.alias = "alias"; + ScriptElementKind.constElement = "const"; + ScriptElementKind.letElement = "let"; + ScriptElementKind.directory = "directory"; + ScriptElementKind.externalModuleName = "external module name"; + })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); + var ScriptElementKindModifier; + (function (ScriptElementKindModifier) { + ScriptElementKindModifier.none = ""; + ScriptElementKindModifier.publicMemberModifier = "public"; + ScriptElementKindModifier.privateMemberModifier = "private"; + ScriptElementKindModifier.protectedMemberModifier = "protected"; + ScriptElementKindModifier.exportedModifier = "export"; + ScriptElementKindModifier.ambientModifier = "declare"; + ScriptElementKindModifier.staticModifier = "static"; + ScriptElementKindModifier.abstractModifier = "abstract"; + })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); + var ClassificationTypeNames = (function () { + function ClassificationTypeNames() { + } + return ClassificationTypeNames; + }()); + ClassificationTypeNames.comment = "comment"; + ClassificationTypeNames.identifier = "identifier"; + ClassificationTypeNames.keyword = "keyword"; + ClassificationTypeNames.numericLiteral = "number"; + ClassificationTypeNames.operator = "operator"; + ClassificationTypeNames.stringLiteral = "string"; + ClassificationTypeNames.whiteSpace = "whitespace"; + ClassificationTypeNames.text = "text"; + ClassificationTypeNames.punctuation = "punctuation"; + ClassificationTypeNames.className = "class name"; + ClassificationTypeNames.enumName = "enum name"; + ClassificationTypeNames.interfaceName = "interface name"; + ClassificationTypeNames.moduleName = "module name"; + ClassificationTypeNames.typeParameterName = "type parameter name"; + ClassificationTypeNames.typeAliasName = "type alias name"; + ClassificationTypeNames.parameterName = "parameter name"; + ClassificationTypeNames.docCommentTagName = "doc comment tag name"; + ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; + ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; + ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; + ClassificationTypeNames.jsxAttribute = "jsx attribute"; + ClassificationTypeNames.jsxText = "jsx text"; + ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; + ts.ClassificationTypeNames = ClassificationTypeNames; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.scanner = ts.createScanner(4, true); + ts.emptyArray = []; + function getMeaningFromDeclaration(node) { + switch (node.kind) { + case 143: + case 219: + case 170: + case 146: + case 145: + case 253: + case 254: + case 255: + case 148: + case 147: + case 149: + case 150: + case 151: + case 221: + case 180: + case 181: + case 252: + return 1; + case 142: + case 223: + case 224: + case 160: + return 2; + case 222: + case 225: + return 1 | 2; + case 226: + if (ts.isAmbientModule(node)) { + return 4 | 1; } - function spanInFunctionDeclaration(functionDeclaration) { - if (!functionDeclaration.body) { - return undefined; - } - if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { - return textSpan(functionDeclaration); - } - return spanInNode(functionDeclaration.body); + else if (ts.getModuleInstanceState(node) === 1) { + return 4 | 1; } - function spanInFunctionBlock(block) { - var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); - if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { - return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); - } - return spanInNode(nodeForSpanInBlock); + else { + return 4; } - function spanInBlock(block) { - switch (block.parent.kind) { - case 226: - if (ts.getModuleInstanceState(block.parent) !== 1) { - return undefined; - } - case 206: - case 204: - case 208: - return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); - case 207: - case 209: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); - } - return spanInNode(block.statements[0]); + case 234: + case 235: + case 230: + case 231: + case 236: + case 237: + return 1 | 2 | 4; + case 256: + return 4 | 1; + } + return 1 | 2 | 4; + } + ts.getMeaningFromDeclaration = getMeaningFromDeclaration; + function getMeaningFromLocation(node) { + if (node.parent.kind === 236) { + return 1 | 2 | 4; + } + else if (isInRightSideOfImport(node)) { + return getMeaningFromRightHandSideOfImportEquals(node); + } + else if (ts.isDeclarationName(node)) { + return getMeaningFromDeclaration(node.parent); + } + else if (isTypeReference(node)) { + return 2; + } + else if (isNamespaceReference(node)) { + return 4; + } + else { + return 1; + } + } + ts.getMeaningFromLocation = getMeaningFromLocation; + function getMeaningFromRightHandSideOfImportEquals(node) { + ts.Debug.assert(node.kind === 70); + if (node.parent.kind === 140 && + node.parent.right === node && + node.parent.parent.kind === 230) { + return 1 | 2 | 4; + } + return 4; + } + function isInRightSideOfImport(node) { + while (node.parent.kind === 140) { + node = node.parent; + } + return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; + } + function isNamespaceReference(node) { + return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); + } + function isQualifiedNameNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 140) { + while (root.parent && root.parent.kind === 140) { + root = root.parent; + } + isLastClause = root.right === node; + } + return root.parent.kind === 156 && !isLastClause; + } + function isPropertyAccessNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 173) { + while (root.parent && root.parent.kind === 173) { + root = root.parent; + } + isLastClause = root.name === node; + } + if (!isLastClause && root.parent.kind === 195 && root.parent.parent.kind === 251) { + var decl = root.parent.parent.parent; + return (decl.kind === 222 && root.parent.parent.token === 107) || + (decl.kind === 223 && root.parent.parent.token === 84); + } + return false; + } + function isTypeReference(node) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + return node.parent.kind === 156 || + (node.parent.kind === 195 && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || + (node.kind === 98 && !ts.isPartOfExpression(node)) || + node.kind === 166; + } + function isCallExpressionTarget(node) { + return isCallOrNewExpressionTarget(node, 175); + } + ts.isCallExpressionTarget = isCallExpressionTarget; + function isNewExpressionTarget(node) { + return isCallOrNewExpressionTarget(node, 176); + } + ts.isNewExpressionTarget = isNewExpressionTarget; + function isCallOrNewExpressionTarget(node, kind) { + var target = climbPastPropertyAccess(node); + return target && target.parent && target.parent.kind === kind && target.parent.expression === target; + } + function climbPastPropertyAccess(node) { + return isRightSideOfPropertyAccess(node) ? node.parent : node; + } + ts.climbPastPropertyAccess = climbPastPropertyAccess; + function getTargetLabel(referenceNode, labelName) { + while (referenceNode) { + if (referenceNode.kind === 215 && referenceNode.label.text === labelName) { + return referenceNode.label; + } + referenceNode = referenceNode.parent; + } + return undefined; + } + ts.getTargetLabel = getTargetLabel; + function isJumpStatementTarget(node) { + return node.kind === 70 && + (node.parent.kind === 211 || node.parent.kind === 210) && + node.parent.label === node; + } + ts.isJumpStatementTarget = isJumpStatementTarget; + function isLabelOfLabeledStatement(node) { + return node.kind === 70 && + node.parent.kind === 215 && + node.parent.label === node; + } + function isLabelName(node) { + return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); + } + ts.isLabelName = isLabelName; + function isRightSideOfQualifiedName(node) { + return node.parent.kind === 140 && node.parent.right === node; + } + ts.isRightSideOfQualifiedName = isRightSideOfQualifiedName; + function isRightSideOfPropertyAccess(node) { + return node && node.parent && node.parent.kind === 173 && node.parent.name === node; + } + ts.isRightSideOfPropertyAccess = isRightSideOfPropertyAccess; + function isNameOfModuleDeclaration(node) { + return node.parent.kind === 226 && node.parent.name === node; + } + ts.isNameOfModuleDeclaration = isNameOfModuleDeclaration; + function isNameOfFunctionDeclaration(node) { + return node.kind === 70 && + ts.isFunctionLike(node.parent) && node.parent.name === node; + } + ts.isNameOfFunctionDeclaration = isNameOfFunctionDeclaration; + function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { + if (node.kind === 9 || node.kind === 8) { + switch (node.parent.kind) { + case 146: + case 145: + case 253: + case 255: + case 148: + case 147: + case 150: + case 151: + case 226: + return node.parent.name === node; + case 174: + return node.parent.argumentExpression === node; + case 141: + return true; + } + } + return false; + } + ts.isLiteralNameOfPropertyDeclarationOrIndexAccess = isLiteralNameOfPropertyDeclarationOrIndexAccess; + function isExpressionOfExternalModuleImportEqualsDeclaration(node) { + return ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node; + } + ts.isExpressionOfExternalModuleImportEqualsDeclaration = isExpressionOfExternalModuleImportEqualsDeclaration; + function isInsideComment(sourceFile, token, position) { + return position <= token.getStart(sourceFile) && + (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || + isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); + function isInsideCommentRange(comments) { + return ts.forEach(comments, function (comment) { + if (comment.pos < position && position < comment.end) { + return true; } - function spanInInitializerOfForLike(forLikeStatement) { - if (forLikeStatement.initializer.kind === 220) { - var variableDeclarationList = forLikeStatement.initializer; - if (variableDeclarationList.declarations.length > 0) { - return spanInNode(variableDeclarationList.declarations[0]); - } + else if (position === comment.end) { + var text = sourceFile.text; + var width = comment.end - comment.pos; + if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47) { + return true; } else { - return spanInNode(forLikeStatement.initializer); - } - } - function spanInForStatement(forStatement) { - if (forStatement.initializer) { - return spanInInitializerOfForLike(forStatement); - } - if (forStatement.condition) { - return textSpan(forStatement.condition); - } - if (forStatement.incrementor) { - return textSpan(forStatement.incrementor); - } - } - function spanInBindingPattern(bindingPattern) { - var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 194 ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - if (bindingPattern.parent.kind === 170) { - return textSpan(bindingPattern.parent); - } - return textSpanFromVariableDeclaration(bindingPattern.parent); - } - function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { - ts.Debug.assert(node.kind !== 169 && node.kind !== 168); - var elements = node.kind === 171 ? - node.elements : - node.properties; - var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 194 ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - return textSpan(node.parent.kind === 188 ? node.parent : node); - } - function spanInOpenBraceToken(node) { - switch (node.parent.kind) { - case 225: - var enumDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); - case 222: - var classDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); - case 228: - return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); - } - return spanInNode(node.parent); - } - function spanInCloseBraceToken(node) { - switch (node.parent.kind) { - case 227: - if (ts.getModuleInstanceState(node.parent.parent) !== 1) { - return undefined; - } - case 225: - case 222: - return textSpan(node); - case 200: - if (ts.isFunctionBlock(node.parent)) { - return textSpan(node); - } - case 252: - return spanInNode(ts.lastOrUndefined(node.parent.statements)); - case 228: - var caseBlock = node.parent; - var lastClause = ts.lastOrUndefined(caseBlock.clauses); - if (lastClause) { - return spanInNode(ts.lastOrUndefined(lastClause.statements)); - } - return undefined; - case 168: - var bindingPattern = node.parent; - return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - var objectLiteral = node.parent; - return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); - } - return spanInNode(node.parent); - } - } - function spanInCloseBracketToken(node) { - switch (node.parent.kind) { - case 169: - var bindingPattern = node.parent; - return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - var arrayLiteral = node.parent; - return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); - } - return spanInNode(node.parent); - } - } - function spanInOpenParenToken(node) { - if (node.parent.kind === 205 || - node.parent.kind === 175 || - node.parent.kind === 176) { - return spanInPreviousNode(node); - } - if (node.parent.kind === 179) { - return spanInNextNode(node); - } - return spanInNode(node.parent); - } - function spanInCloseParenToken(node) { - switch (node.parent.kind) { - case 180: - case 221: - case 181: - case 148: - case 147: - case 150: - case 151: - case 149: - case 206: - case 205: - case 207: - case 209: - case 175: - case 176: - case 179: - return spanInPreviousNode(node); - default: - return spanInNode(node.parent); + return !(text.charCodeAt(comment.end - 1) === 47 && + text.charCodeAt(comment.end - 2) === 42); } } - function spanInColonToken(node) { - if (ts.isFunctionLike(node.parent) || - node.parent.kind === 253 || - node.parent.kind === 143) { - return spanInPreviousNode(node); - } - return spanInNode(node.parent); + return false; + }); + } + } + ts.isInsideComment = isInsideComment; + function getContainerNode(node) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 256: + case 148: + case 147: + case 221: + case 180: + case 150: + case 151: + case 222: + case 223: + case 225: + case 226: + return node; + } + } + } + ts.getContainerNode = getContainerNode; + function getNodeKind(node) { + switch (node.kind) { + case 256: + return ts.isExternalModule(node) ? ts.ScriptElementKind.moduleElement : ts.ScriptElementKind.scriptElement; + case 226: + return ts.ScriptElementKind.moduleElement; + case 222: + case 193: + return ts.ScriptElementKind.classElement; + case 223: return ts.ScriptElementKind.interfaceElement; + case 224: return ts.ScriptElementKind.typeElement; + case 225: return ts.ScriptElementKind.enumElement; + case 219: + return getKindOfVariableDeclaration(node); + case 170: + return getKindOfVariableDeclaration(ts.getRootDeclaration(node)); + case 181: + case 221: + case 180: + return ts.ScriptElementKind.functionElement; + case 150: return ts.ScriptElementKind.memberGetAccessorElement; + case 151: return ts.ScriptElementKind.memberSetAccessorElement; + case 148: + case 147: + return ts.ScriptElementKind.memberFunctionElement; + case 146: + case 145: + return ts.ScriptElementKind.memberVariableElement; + case 154: return ts.ScriptElementKind.indexSignatureElement; + case 153: return ts.ScriptElementKind.constructSignatureElement; + case 152: return ts.ScriptElementKind.callSignatureElement; + case 149: return ts.ScriptElementKind.constructorImplementationElement; + case 142: return ts.ScriptElementKind.typeParameterElement; + case 255: return ts.ScriptElementKind.enumMemberElement; + case 143: return ts.hasModifier(node, 92) ? ts.ScriptElementKind.memberVariableElement : ts.ScriptElementKind.parameterElement; + case 230: + case 235: + case 232: + case 239: + case 233: + return ts.ScriptElementKind.alias; + case 279: + return ts.ScriptElementKind.typeElement; + default: + return ts.ScriptElementKind.unknown; + } + function getKindOfVariableDeclaration(v) { + return ts.isConst(v) + ? ts.ScriptElementKind.constElement + : ts.isLet(v) + ? ts.ScriptElementKind.letElement + : ts.ScriptElementKind.variableElement; + } + } + ts.getNodeKind = getNodeKind; + function getStringLiteralTypeForNode(node, typeChecker) { + var searchNode = node.parent.kind === 167 ? node.parent : node; + var type = typeChecker.getTypeAtLocation(searchNode); + if (type && type.flags & 32) { + return type; + } + return undefined; + } + ts.getStringLiteralTypeForNode = getStringLiteralTypeForNode; + function isThis(node) { + switch (node.kind) { + case 98: + return true; + case 70: + return ts.identifierIsThisKeyword(node) && node.parent.kind === 143; + default: + return false; + } + } + ts.isThis = isThis; + var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= range.end; + } + ts.startEndContainsRange = startEndContainsRange; + function rangeContainsStartEnd(range, start, end) { + return range.pos <= start && range.end >= end; + } + ts.rangeContainsStartEnd = rangeContainsStartEnd; + function rangeOverlapsWithStartEnd(r1, start, end) { + return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); + } + ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; + function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { + var start = Math.max(start1, start2); + var end = Math.min(end1, end2); + return start < end; + } + ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; + function positionBelongsToNode(candidate, position, sourceFile) { + return candidate.end > position || !isCompletedNode(candidate, sourceFile); + } + ts.positionBelongsToNode = positionBelongsToNode; + function isCompletedNode(n, sourceFile) { + if (ts.nodeIsMissing(n)) { + return false; + } + switch (n.kind) { + case 222: + case 223: + case 225: + case 172: + case 168: + case 160: + case 200: + case 227: + case 228: + case 234: + case 238: + return nodeEndsWith(n, 17, sourceFile); + case 252: + return isCompletedNode(n.block, sourceFile); + case 176: + if (!n.arguments) { + return true; } - function spanInGreaterThanOrLessThanToken(node) { - if (node.parent.kind === 178) { - return spanInNextNode(node); - } - return spanInNode(node.parent); + case 175: + case 179: + case 165: + return nodeEndsWith(n, 19, sourceFile); + case 157: + case 158: + return isCompletedNode(n.type, sourceFile); + case 149: + case 150: + case 151: + case 221: + case 180: + case 148: + case 147: + case 153: + case 152: + case 181: + if (n.body) { + return isCompletedNode(n.body, sourceFile); } - function spanInWhileKeyword(node) { - if (node.parent.kind === 205) { - return textSpanEndingAtNextToken(node, node.parent.expression); - } - return spanInNode(node.parent); + if (n.type) { + return isCompletedNode(n.type, sourceFile); } - function spanInOfKeyword(node) { - if (node.parent.kind === 209) { - return spanInNextNode(node); - } - return spanInNode(node.parent); + return hasChildOfKind(n, 19, sourceFile); + case 226: + return n.body && isCompletedNode(n.body, sourceFile); + case 204: + if (n.elseStatement) { + return isCompletedNode(n.elseStatement, sourceFile); } - } - } - BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; - })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - function createClassifier() { - var scanner = ts.createScanner(4, false); - var noRegexTable = []; - noRegexTable[70] = true; - noRegexTable[9] = true; - noRegexTable[8] = true; - noRegexTable[11] = true; - noRegexTable[98] = true; - noRegexTable[42] = true; - noRegexTable[43] = true; - noRegexTable[19] = true; - noRegexTable[21] = true; - noRegexTable[17] = true; - noRegexTable[100] = true; - noRegexTable[85] = true; - var templateStack = []; - function canFollow(keyword1, keyword2) { - if (ts.isAccessibilityModifier(keyword1)) { - if (keyword2 === 124 || - keyword2 === 132 || - keyword2 === 122 || - keyword2 === 114) { - return true; + return isCompletedNode(n.thenStatement, sourceFile); + case 203: + return isCompletedNode(n.expression, sourceFile) || + hasChildOfKind(n, 24); + case 171: + case 169: + case 174: + case 141: + case 162: + return nodeEndsWith(n, 21, sourceFile); + case 154: + if (n.type) { + return isCompletedNode(n.type, sourceFile); } + return hasChildOfKind(n, 21, sourceFile); + case 249: + case 250: return false; - } - return true; - } - function convertClassifications(classifications, text) { - var entries = []; - var dense = classifications.spans; - var lastEnd = 0; - for (var i = 0, n = dense.length; i < n; i += 3) { - var start = dense[i]; - var length_4 = dense[i + 1]; - var type = dense[i + 2]; - if (lastEnd >= 0) { - var whitespaceLength_1 = start - lastEnd; - if (whitespaceLength_1 > 0) { - entries.push({ length: whitespaceLength_1, classification: ts.TokenClass.Whitespace }); - } + case 207: + case 208: + case 209: + case 206: + return isCompletedNode(n.statement, sourceFile); + case 205: + var hasWhileKeyword = findChildOfKind(n, 105, sourceFile); + if (hasWhileKeyword) { + return nodeEndsWith(n, 19, sourceFile); } - entries.push({ length: length_4, classification: convertClassification(type) }); - lastEnd = start + length_4; - } - var whitespaceLength = text.length - lastEnd; - if (whitespaceLength > 0) { - entries.push({ length: whitespaceLength, classification: ts.TokenClass.Whitespace }); - } - return { entries: entries, finalLexState: classifications.endOfLineState }; + return isCompletedNode(n.statement, sourceFile); + case 159: + return isCompletedNode(n.exprName, sourceFile); + case 183: + case 182: + case 184: + case 191: + case 192: + var unaryWordExpression = n; + return isCompletedNode(unaryWordExpression.expression, sourceFile); + case 177: + return isCompletedNode(n.template, sourceFile); + case 190: + var lastSpan = ts.lastOrUndefined(n.templateSpans); + return isCompletedNode(lastSpan, sourceFile); + case 198: + return ts.nodeIsPresent(n.literal); + case 237: + case 231: + return ts.nodeIsPresent(n.moduleSpecifier); + case 186: + return isCompletedNode(n.operand, sourceFile); + case 188: + return isCompletedNode(n.right, sourceFile); + case 189: + return isCompletedNode(n.whenFalse, sourceFile); + default: + return true; } - function convertClassification(type) { - switch (type) { - case 1: return ts.TokenClass.Comment; - case 3: return ts.TokenClass.Keyword; - case 4: return ts.TokenClass.NumberLiteral; - case 5: return ts.TokenClass.Operator; - case 6: return ts.TokenClass.StringLiteral; - case 8: return ts.TokenClass.Whitespace; - case 10: return ts.TokenClass.Punctuation; - case 2: - case 11: - case 12: - case 13: - case 14: - case 15: - case 16: - case 9: - case 17: - default: - return ts.TokenClass.Identifier; + } + ts.isCompletedNode = isCompletedNode; + function nodeEndsWith(n, expectedLastToken, sourceFile) { + var children = n.getChildren(sourceFile); + if (children.length) { + var last = ts.lastOrUndefined(children); + if (last.kind === expectedLastToken) { + return true; + } + else if (last.kind === 24 && children.length !== 1) { + return children[children.length - 2].kind === expectedLastToken; } } - function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { - return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + return false; + } + function findListItemInfo(node) { + var list = findContainingList(node); + if (!list) { + return undefined; } - function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { - var offset = 0; - var token = 0; - var lastNonTriviaToken = 0; - while (templateStack.length > 0) { - templateStack.pop(); + var children = list.getChildren(); + var listItemIndex = ts.indexOf(children, node); + return { + listItemIndex: listItemIndex, + list: list + }; + } + ts.findListItemInfo = findListItemInfo; + function hasChildOfKind(n, kind, sourceFile) { + return !!findChildOfKind(n, kind, sourceFile); + } + ts.hasChildOfKind = hasChildOfKind; + function findChildOfKind(n, kind, sourceFile) { + return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); + } + ts.findChildOfKind = findChildOfKind; + function findContainingList(node) { + var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { + if (c.kind === 286 && c.pos <= node.pos && c.end >= node.end) { + return c; } - switch (lexState) { - case 3: - text = "\"\\\n" + text; - offset = 3; - break; - case 2: - text = "'\\\n" + text; - offset = 3; - break; - case 1: - text = "/*\n" + text; - offset = 3; - break; - case 4: - text = "`\n" + text; - offset = 2; - break; - case 5: - text = "}\n" + text; - offset = 2; - case 6: - templateStack.push(13); - break; + }); + ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); + return syntaxList; + } + ts.findContainingList = findContainingList; + function getTouchingWord(sourceFile, position, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }, includeJsDocComment); + } + ts.getTouchingWord = getTouchingWord; + function getTouchingPropertyName(sourceFile, position, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }, includeJsDocComment); + } + ts.getTouchingPropertyName = getTouchingPropertyName; + function getTouchingToken(sourceFile, position, includeItemAtEndPosition, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTokenAtPositionWorker(sourceFile, position, false, includeItemAtEndPosition, includeJsDocComment); + } + ts.getTouchingToken = getTouchingToken; + function getTokenAtPosition(sourceFile, position, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTokenAtPositionWorker(sourceFile, position, true, undefined, includeJsDocComment); + } + ts.getTokenAtPosition = getTokenAtPosition; + function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + var current = sourceFile; + outer: while (true) { + if (isToken(current)) { + return current; } - scanner.setText(text); - var result = { - endOfLineState: 0, - spans: [] - }; - var angleBracketStack = 0; - do { - token = scanner.scan(); - if (!ts.isTrivia(token)) { - if ((token === 40 || token === 62) && !noRegexTable[lastNonTriviaToken]) { - if (scanner.reScanSlashToken() === 11) { - token = 11; - } - } - else if (lastNonTriviaToken === 22 && isKeyword(token)) { - token = 70; - } - else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { - token = 70; - } - else if (lastNonTriviaToken === 70 && - token === 26) { - angleBracketStack++; - } - else if (token === 28 && angleBracketStack > 0) { - angleBracketStack--; - } - else if (token === 118 || - token === 133 || - token === 131 || - token === 121 || - token === 134) { - if (angleBracketStack > 0 && !syntacticClassifierAbsent) { - token = 70; - } - } - else if (token === 13) { - templateStack.push(token); - } - else if (token === 16) { - if (templateStack.length > 0) { - templateStack.push(token); - } - } - else if (token === 17) { - if (templateStack.length > 0) { - var lastTemplateStackToken = ts.lastOrUndefined(templateStack); - if (lastTemplateStackToken === 13) { - token = scanner.reScanTemplateToken(); - if (token === 15) { - templateStack.pop(); - } - else { - ts.Debug.assert(token === 14, "Should have been a template middle. Was " + token); - } - } - else { - ts.Debug.assert(lastTemplateStackToken === 16, "Should have been an open brace. Was: " + token); - templateStack.pop(); - } - } - } - lastNonTriviaToken = token; - } - processToken(); - } while (token !== 1); - return result; - function processToken() { - var start = scanner.getTokenPos(); - var end = scanner.getTextPos(); - addResult(start, end, classFromKind(token)); - if (end >= text.length) { - if (token === 9) { - var tokenText = scanner.getTokenText(); - if (scanner.isUnterminated()) { - var lastCharIndex = tokenText.length - 1; - var numBackslashes = 0; - while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92) { - numBackslashes++; - } - if (numBackslashes & 1) { - var quoteChar = tokenText.charCodeAt(0); - result.endOfLineState = quoteChar === 34 - ? 3 - : 2; - } - } - } - else if (token === 3) { - if (scanner.isUnterminated()) { - result.endOfLineState = 1; + if (includeJsDocComment) { + var jsDocChildren = ts.filter(current.getChildren(), ts.isJSDocNode); + for (var _i = 0, jsDocChildren_1 = jsDocChildren; _i < jsDocChildren_1.length; _i++) { + var jsDocChild = jsDocChildren_1[_i]; + var start = allowPositionInLeadingTrivia ? jsDocChild.getFullStart() : jsDocChild.getStart(sourceFile, includeJsDocComment); + if (start <= position) { + var end = jsDocChild.getEnd(); + if (position < end || (position === end && jsDocChild.kind === 1)) { + current = jsDocChild; + continue outer; } - } - else if (ts.isTemplateLiteralKind(token)) { - if (scanner.isUnterminated()) { - if (token === 15) { - result.endOfLineState = 5; - } - else if (token === 12) { - result.endOfLineState = 4; - } - else { - ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + else if (includeItemAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, jsDocChild); + if (previousToken && includeItemAtEndPosition(previousToken)) { + return previousToken; } } } - else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 13) { - result.endOfLineState = 6; - } } } - function addResult(start, end, classification) { - if (classification === 8) { - return; - } - if (start === 0 && offset > 0) { - start += offset; - } - start -= offset; - end -= offset; - var length = end - start; - if (length > 0) { - result.spans.push(start); - result.spans.push(length); - result.spans.push(classification); + for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { + var child = current.getChildAt(i); + if (ts.isJSDocNode(child)) { + continue; } - } - } - function isBinaryExpressionOperatorToken(token) { - switch (token) { - case 38: - case 40: - case 41: - case 36: - case 37: - case 44: - case 45: - case 46: - case 26: - case 28: - case 29: - case 30: - case 92: - case 91: - case 117: - case 31: - case 32: - case 33: - case 34: - case 47: - case 49: - case 48: - case 52: - case 53: - case 68: - case 67: - case 69: - case 64: - case 65: - case 66: - case 58: - case 59: - case 60: - case 62: - case 63: - case 57: - case 25: - return true; - default: - return false; - } - } - function isPrefixUnaryExpressionOperatorToken(token) { - switch (token) { - case 36: - case 37: - case 51: - case 50: - case 42: - case 43: - return true; - default: - return false; - } - } - function isKeyword(token) { - return token >= 71 && token <= 139; - } - function classFromKind(token) { - if (isKeyword(token)) { - return 3; - } - else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { - return 5; - } - else if (token >= 16 && token <= 69) { - return 10; - } - switch (token) { - case 8: - return 4; - case 9: - return 6; - case 11: - return 7; - case 7: - case 3: - case 2: - return 1; - case 5: - case 4: - return 8; - case 70: - default: - if (ts.isTemplateLiteralKind(token)) { - return 6; + var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile, includeJsDocComment); + if (start <= position) { + var end = child.getEnd(); + if (position < end || (position === end && child.kind === 1)) { + current = child; + continue outer; } - return 2; + else if (includeItemAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, child); + if (previousToken && includeItemAtEndPosition(previousToken)) { + return previousToken; + } + } + } } + return current; } - return { - getClassificationsForLine: getClassificationsForLine, - getEncodedLexicalClassifications: getEncodedLexicalClassifications - }; } - ts.createClassifier = createClassifier; - function getSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { - return convertClassifications(getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span)); - } - ts.getSemanticClassifications = getSemanticClassifications; - function checkForClassificationCancellation(cancellationToken, kind) { - switch (kind) { - case 226: - case 222: - case 223: - case 221: - cancellationToken.throwIfCancellationRequested(); + function findTokenOnLeftOfPosition(file, position) { + var tokenAtPosition = getTokenAtPosition(file, position); + if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { + return tokenAtPosition; } + return findPrecedingToken(position, file); } - function getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { - var result = []; - processNode(sourceFile); - return { spans: result, endOfLineState: 0 }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifySymbol(symbol, meaningAtPosition) { - var flags = symbol.getFlags(); - if ((flags & 788448) === 0) { - return; + ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; + function findNextToken(previousToken, parent) { + return find(parent); + function find(n) { + if (isToken(n) && n.pos === previousToken.end) { + return n; } - if (flags & 32) { - return 11; + var children = n.getChildren(); + for (var _i = 0, children_2 = children; _i < children_2.length; _i++) { + var child = children_2[_i]; + var shouldDiveInChildNode = (child.pos <= previousToken.pos && child.end > previousToken.end) || + (child.pos === previousToken.end); + if (shouldDiveInChildNode && nodeHasTokens(child)) { + return find(child); + } } - else if (flags & 384) { - return 12; + return undefined; + } + } + ts.findNextToken = findNextToken; + function findPrecedingToken(position, sourceFile, startNode) { + return find(startNode || sourceFile); + function findRightmostToken(n) { + if (isToken(n)) { + return n; } - else if (flags & 524288) { - return 16; + var children = n.getChildren(); + var candidate = findRightmostChildNodeWithTokens(children, children.length); + return candidate && findRightmostToken(candidate); + } + function find(n) { + if (isToken(n)) { + return n; } - else if (meaningAtPosition & 2) { - if (flags & 64) { - return 13; - } - else if (flags & 262144) { - return 15; + var children = n.getChildren(); + for (var i = 0, len = children.length; i < len; i++) { + var child = children[i]; + if (position < child.end && (nodeHasTokens(child) || child.kind === 10)) { + var start = child.getStart(sourceFile); + var lookInPreviousChild = (start >= position) || + (child.kind === 10 && start === child.end); + if (lookInPreviousChild) { + var candidate = findRightmostChildNodeWithTokens(children, i); + return candidate && findRightmostToken(candidate); + } + else { + return find(child); + } } } - else if (flags & 1536) { - if (meaningAtPosition & 4 || - (meaningAtPosition & 1 && hasValueSideModule(symbol))) { - return 14; + ts.Debug.assert(startNode !== undefined || n.kind === 256); + if (children.length) { + var candidate = findRightmostChildNodeWithTokens(children, children.length); + return candidate && findRightmostToken(candidate); + } + } + function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { + for (var i = exclusiveStartPosition - 1; i >= 0; i--) { + if (nodeHasTokens(children[i])) { + return children[i]; } } - return undefined; - function hasValueSideModule(symbol) { - return ts.forEach(symbol.declarations, function (declaration) { - return declaration.kind === 226 && - ts.getModuleInstanceState(declaration) === 1; - }); + } + } + ts.findPrecedingToken = findPrecedingToken; + function isInString(sourceFile, position) { + var previousToken = findPrecedingToken(position, sourceFile); + if (previousToken && previousToken.kind === 9) { + var start = previousToken.getStart(); + var end = previousToken.getEnd(); + if (start < position && position < end) { + return true; + } + if (position === end) { + return !!previousToken.isUnterminated; } } - function processNode(node) { - if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { - var kind = node.kind; - checkForClassificationCancellation(cancellationToken, kind); - if (kind === 70 && !ts.nodeIsMissing(node)) { - var identifier = node; - if (classifiableNames[identifier.text]) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var type = classifySymbol(symbol, ts.getMeaningFromLocation(node)); - if (type) { - pushClassification(node.getStart(), node.getWidth(), type); + return false; + } + ts.isInString = isInString; + function isInComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, undefined); + } + ts.isInComment = isInComment; + function isInsideJsxElementOrAttribute(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + if (!token) { + return false; + } + if (token.kind === 10) { + return true; + } + if (token.kind === 26 && token.parent.kind === 10) { + return true; + } + if (token.kind === 26 && token.parent.kind === 248) { + return true; + } + if (token && token.kind === 17 && token.parent.kind === 248) { + return true; + } + if (token.kind === 26 && token.parent.kind === 245) { + return true; + } + return false; + } + ts.isInsideJsxElementOrAttribute = isInsideJsxElementOrAttribute; + function isInTemplateString(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + return ts.isTemplateLiteralKind(token.kind) && position > token.getStart(sourceFile); + } + ts.isInTemplateString = isInTemplateString; + function isInCommentHelper(sourceFile, position, predicate) { + var token = getTokenAtPosition(sourceFile, position); + if (token && position <= token.getStart(sourceFile)) { + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return predicate ? + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 ? position <= c.end : position < c.end) && + predicate(c); }) : + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 ? position <= c.end : position < c.end); }); + } + return false; + } + ts.isInCommentHelper = isInCommentHelper; + function hasDocComment(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return ts.forEach(commentRanges, jsDocPrefix); + function jsDocPrefix(c) { + var text = sourceFile.text; + return text.length >= c.pos + 3 && text[c.pos] === "/" && text[c.pos + 1] === "*" && text[c.pos + 2] === "*"; + } + } + ts.hasDocComment = hasDocComment; + function getJsDocTagAtPosition(sourceFile, position) { + var node = ts.getTokenAtPosition(sourceFile, position); + if (isToken(node)) { + switch (node.kind) { + case 103: + case 109: + case 75: + node = node.parent === undefined ? undefined : node.parent.parent; + break; + default: + node = node.parent; + break; + } + } + if (node) { + if (node.jsDocComments) { + for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + if (jsDocComment.tags) { + for (var _b = 0, _c = jsDocComment.tags; _b < _c.length; _b++) { + var tag = _c[_b]; + if (tag.pos <= position && position <= tag.end) { + return tag; } } } } - ts.forEachChild(node, processNode); } } + return undefined; } - ts.getEncodedSemanticClassifications = getEncodedSemanticClassifications; - function getClassificationTypeName(type) { - switch (type) { - case 1: return ts.ClassificationTypeNames.comment; - case 2: return ts.ClassificationTypeNames.identifier; - case 3: return ts.ClassificationTypeNames.keyword; - case 4: return ts.ClassificationTypeNames.numericLiteral; - case 5: return ts.ClassificationTypeNames.operator; - case 6: return ts.ClassificationTypeNames.stringLiteral; - case 8: return ts.ClassificationTypeNames.whiteSpace; - case 9: return ts.ClassificationTypeNames.text; - case 10: return ts.ClassificationTypeNames.punctuation; - case 11: return ts.ClassificationTypeNames.className; - case 12: return ts.ClassificationTypeNames.enumName; - case 13: return ts.ClassificationTypeNames.interfaceName; - case 14: return ts.ClassificationTypeNames.moduleName; - case 15: return ts.ClassificationTypeNames.typeParameterName; - case 16: return ts.ClassificationTypeNames.typeAliasName; - case 17: return ts.ClassificationTypeNames.parameterName; - case 18: return ts.ClassificationTypeNames.docCommentTagName; - case 19: return ts.ClassificationTypeNames.jsxOpenTagName; - case 20: return ts.ClassificationTypeNames.jsxCloseTagName; - case 21: return ts.ClassificationTypeNames.jsxSelfClosingTagName; - case 22: return ts.ClassificationTypeNames.jsxAttribute; - case 23: return ts.ClassificationTypeNames.jsxText; - case 24: return ts.ClassificationTypeNames.jsxAttributeStringLiteralValue; - } + ts.getJsDocTagAtPosition = getJsDocTagAtPosition; + function nodeHasTokens(n) { + return n.getWidth() !== 0; } - function convertClassifications(classifications) { - ts.Debug.assert(classifications.spans.length % 3 === 0); - var dense = classifications.spans; + function getNodeModifiers(node) { + var flags = ts.getCombinedModifierFlags(node); var result = []; - for (var i = 0, n = dense.length; i < n; i += 3) { - result.push({ - textSpan: ts.createTextSpan(dense[i], dense[i + 1]), - classificationType: getClassificationTypeName(dense[i + 2]) - }); + if (flags & 8) + result.push(ts.ScriptElementKindModifier.privateMemberModifier); + if (flags & 16) + result.push(ts.ScriptElementKindModifier.protectedMemberModifier); + if (flags & 4) + result.push(ts.ScriptElementKindModifier.publicMemberModifier); + if (flags & 32) + result.push(ts.ScriptElementKindModifier.staticModifier); + if (flags & 128) + result.push(ts.ScriptElementKindModifier.abstractModifier); + if (flags & 1) + result.push(ts.ScriptElementKindModifier.exportedModifier); + if (ts.isInAmbientContext(node)) + result.push(ts.ScriptElementKindModifier.ambientModifier); + return result.length > 0 ? result.join(",") : ts.ScriptElementKindModifier.none; + } + ts.getNodeModifiers = getNodeModifiers; + function getTypeArgumentOrTypeParameterList(node) { + if (node.kind === 156 || node.kind === 175) { + return node.typeArguments; } - return result; + if (ts.isFunctionLike(node) || node.kind === 222 || node.kind === 223) { + return node.typeParameters; + } + return undefined; } - function getSyntacticClassifications(cancellationToken, sourceFile, span) { - return convertClassifications(getEncodedSyntacticClassifications(cancellationToken, sourceFile, span)); + ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; + function isToken(n) { + return n.kind >= 0 && n.kind <= 139; } - ts.getSyntacticClassifications = getSyntacticClassifications; - function getEncodedSyntacticClassifications(cancellationToken, sourceFile, span) { - var spanStart = span.start; - var spanLength = span.length; - var triviaScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); - var mergeConflictScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); - var result = []; - processElement(sourceFile); - return { spans: result, endOfLineState: 0 }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); + ts.isToken = isToken; + function isWord(kind) { + return kind === 70 || ts.isKeyword(kind); + } + ts.isWord = isWord; + function isPropertyName(kind) { + return kind === 9 || kind === 8 || isWord(kind); + } + function isComment(kind) { + return kind === 2 || kind === 3; + } + ts.isComment = isComment; + function isStringOrRegularExpressionOrTemplateLiteral(kind) { + if (kind === 9 + || kind === 11 + || ts.isTemplateLiteralKind(kind)) { + return true; } - function classifyLeadingTriviaAndGetTokenStart(token) { - triviaScanner.setTextPos(token.pos); - while (true) { - var start = triviaScanner.getTextPos(); - if (!ts.couldStartTrivia(sourceFile.text, start)) { - return start; - } - var kind = triviaScanner.scan(); - var end = triviaScanner.getTextPos(); - var width = end - start; - if (!ts.isTrivia(kind)) { - return start; - } - if (kind === 4 || kind === 5) { - continue; - } - if (ts.isComment(kind)) { - classifyComment(token, kind, start, width); - triviaScanner.setTextPos(end); - continue; - } - if (kind === 7) { - var text = sourceFile.text; - var ch = text.charCodeAt(start); - if (ch === 60 || ch === 62) { - pushClassification(start, width, 1); - continue; - } - ts.Debug.assert(ch === 61); - classifyDisabledMergeCode(text, start, end); + return false; + } + ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; + function isPunctuation(kind) { + return 16 <= kind && kind <= 69; + } + ts.isPunctuation = isPunctuation; + function isInsideTemplateLiteral(node, position) { + return ts.isTemplateLiteralKind(node.kind) + && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); + } + ts.isInsideTemplateLiteral = isInsideTemplateLiteral; + function isAccessibilityModifier(kind) { + switch (kind) { + case 113: + case 111: + case 112: + return true; + } + return false; + } + ts.isAccessibilityModifier = isAccessibilityModifier; + function compareDataObjects(dst, src) { + for (var e in dst) { + if (typeof dst[e] === "object") { + if (!compareDataObjects(dst[e], src[e])) { + return false; } } - } - function classifyComment(token, kind, start, width) { - if (kind === 3) { - var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); - if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDoc) { - docCommentAndDiagnostics.jsDoc.parent = token; - classifyJSDocComment(docCommentAndDiagnostics.jsDoc); - return; + else if (typeof dst[e] !== "function") { + if (dst[e] !== src[e]) { + return false; } } - pushCommentRange(start, width); } - function pushCommentRange(start, width) { - pushClassification(start, width, 1); - } - function classifyJSDocComment(docComment) { - var pos = docComment.pos; - if (docComment.tags) { - for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.pos !== pos) { - pushCommentRange(pos, tag.pos - pos); - } - pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10); - pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18); - pos = tag.tagName.end; - switch (tag.kind) { - case 275: - processJSDocParameterTag(tag); - break; - case 278: - processJSDocTemplateTag(tag); - break; - case 277: - processElement(tag.typeExpression); - break; - case 276: - processElement(tag.typeExpression); - break; - } - pos = tag.end; - } + return true; + } + ts.compareDataObjects = compareDataObjects; + function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { + if (node.kind === 171 || + node.kind === 172) { + if (node.parent.kind === 188 && + node.parent.left === node && + node.parent.operatorToken.kind === 57) { + return true; } - if (pos !== docComment.end) { - pushCommentRange(pos, docComment.end - pos); + if (node.parent.kind === 209 && + node.parent.initializer === node) { + return true; } - return; - function processJSDocParameterTag(tag) { - if (tag.preParameterName) { - pushCommentRange(pos, tag.preParameterName.pos - pos); - pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17); - pos = tag.preParameterName.end; - } - if (tag.typeExpression) { - pushCommentRange(pos, tag.typeExpression.pos - pos); - processElement(tag.typeExpression); - pos = tag.typeExpression.end; - } - if (tag.postParameterName) { - pushCommentRange(pos, tag.postParameterName.pos - pos); - pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17); - pos = tag.postParameterName.end; + if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 253 ? node.parent.parent : node.parent)) { + return true; + } + } + return false; + } + ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; + function hasTrailingDirectorySeparator(path) { + var lastCharacter = path.charAt(path.length - 1); + return lastCharacter === "/" || lastCharacter === "\\"; + } + ts.hasTrailingDirectorySeparator = hasTrailingDirectorySeparator; + function isInReferenceComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, isReferenceComment); + function isReferenceComment(c) { + var commentText = sourceFile.text.substring(c.pos, c.end); + return tripleSlashDirectivePrefixRegex.test(commentText); + } + } + ts.isInReferenceComment = isInReferenceComment; + function isInNonReferenceComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, isNonReferenceComment); + function isNonReferenceComment(c) { + var commentText = sourceFile.text.substring(c.pos, c.end); + return !tripleSlashDirectivePrefixRegex.test(commentText); + } + } + ts.isInNonReferenceComment = isInNonReferenceComment; +})(ts || (ts = {})); +(function (ts) { + function isFirstDeclarationOfSymbolParameter(symbol) { + return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 143; + } + ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; + var displayPartWriter = getDisplayPartWriter(); + function getDisplayPartWriter() { + var displayParts; + var lineStart; + var indent; + resetWriter(); + return { + displayParts: function () { return displayParts; }, + writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, + writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, + writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, + writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, + writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, + writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, + writeSymbol: writeSymbol, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + clear: resetWriter, + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop + }; + function writeIndent() { + if (lineStart) { + var indentString = ts.getIndentString(indent); + if (indentString) { + displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); } + lineStart = false; } } - function processJSDocTemplateTag(tag) { - for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { - var child = _a[_i]; - processElement(child); - } + function writeKind(text, kind) { + writeIndent(); + displayParts.push(displayPart(text, kind)); } - function classifyDisabledMergeCode(text, start, end) { - var i; - for (i = start; i < end; i++) { - if (ts.isLineBreak(text.charCodeAt(i))) { - break; - } + function writeSymbol(text, symbol) { + writeIndent(); + displayParts.push(symbolPart(text, symbol)); + } + function writeLine() { + displayParts.push(lineBreakPart()); + lineStart = true; + } + function resetWriter() { + displayParts = []; + lineStart = true; + indent = 0; + } + } + function symbolPart(text, symbol) { + return displayPart(text, displayPartKind(symbol)); + function displayPartKind(symbol) { + var flags = symbol.flags; + if (flags & 3) { + return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; } - pushClassification(start, i - start, 1); - mergeConflictScanner.setTextPos(i); - while (mergeConflictScanner.getTextPos() < end) { - classifyDisabledCodeToken(); + else if (flags & 4) { + return ts.SymbolDisplayPartKind.propertyName; } - } - function classifyDisabledCodeToken() { - var start = mergeConflictScanner.getTextPos(); - var tokenKind = mergeConflictScanner.scan(); - var end = mergeConflictScanner.getTextPos(); - var type = classifyTokenType(tokenKind); - if (type) { - pushClassification(start, end - start, type); + else if (flags & 32768) { + return ts.SymbolDisplayPartKind.propertyName; } - } - function tryClassifyNode(node) { - if (ts.isJSDocTag(node)) { - return true; + else if (flags & 65536) { + return ts.SymbolDisplayPartKind.propertyName; } - if (ts.nodeIsMissing(node)) { - return true; + else if (flags & 8) { + return ts.SymbolDisplayPartKind.enumMemberName; } - var classifiedElementName = tryClassifyJsxElementName(node); - if (!ts.isToken(node) && node.kind !== 10 && classifiedElementName === undefined) { - return false; + else if (flags & 16) { + return ts.SymbolDisplayPartKind.functionName; } - var tokenStart = node.kind === 10 ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); - var tokenWidth = node.end - tokenStart; - ts.Debug.assert(tokenWidth >= 0); - if (tokenWidth > 0) { - var type = classifiedElementName || classifyTokenType(node.kind, node); - if (type) { - pushClassification(tokenStart, tokenWidth, type); - } + else if (flags & 32) { + return ts.SymbolDisplayPartKind.className; } - return true; - } - function tryClassifyJsxElementName(token) { - switch (token.parent && token.parent.kind) { - case 244: - if (token.parent.tagName === token) { - return 19; - } - break; - case 245: - if (token.parent.tagName === token) { - return 20; - } - break; - case 243: - if (token.parent.tagName === token) { - return 21; - } - break; - case 246: - if (token.parent.name === token) { - return 22; - } - break; + else if (flags & 64) { + return ts.SymbolDisplayPartKind.interfaceName; } - return undefined; + else if (flags & 384) { + return ts.SymbolDisplayPartKind.enumName; + } + else if (flags & 1536) { + return ts.SymbolDisplayPartKind.moduleName; + } + else if (flags & 8192) { + return ts.SymbolDisplayPartKind.methodName; + } + else if (flags & 262144) { + return ts.SymbolDisplayPartKind.typeParameterName; + } + else if (flags & 524288) { + return ts.SymbolDisplayPartKind.aliasName; + } + else if (flags & 8388608) { + return ts.SymbolDisplayPartKind.aliasName; + } + return ts.SymbolDisplayPartKind.text; } - function classifyTokenType(tokenKind, token) { - if (ts.isKeyword(tokenKind)) { - return 3; + } + ts.symbolPart = symbolPart; + function displayPart(text, kind) { + return { + text: text, + kind: ts.SymbolDisplayPartKind[kind] + }; + } + ts.displayPart = displayPart; + function spacePart() { + return displayPart(" ", ts.SymbolDisplayPartKind.space); + } + ts.spacePart = spacePart; + function keywordPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); + } + ts.keywordPart = keywordPart; + function punctuationPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); + } + ts.punctuationPart = punctuationPart; + function operatorPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); + } + ts.operatorPart = operatorPart; + function textOrKeywordPart(text) { + var kind = ts.stringToToken(text); + return kind === undefined + ? textPart(text) + : keywordPart(kind); + } + ts.textOrKeywordPart = textOrKeywordPart; + function textPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.text); + } + ts.textPart = textPart; + var carriageReturnLineFeed = "\r\n"; + function getNewLineOrDefaultFromHost(host) { + return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; + } + ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; + function lineBreakPart() { + return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); + } + ts.lineBreakPart = lineBreakPart; + function mapToDisplayParts(writeDisplayParts) { + writeDisplayParts(displayPartWriter); + var result = displayPartWriter.displayParts(); + displayPartWriter.clear(); + return result; + } + ts.mapToDisplayParts = mapToDisplayParts; + function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + }); + } + ts.typeToDisplayParts = typeToDisplayParts; + function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { + return mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); + }); + } + ts.symbolToDisplayParts = symbolToDisplayParts; + function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); + }); + } + ts.signatureToDisplayParts = signatureToDisplayParts; + function getDeclaredName(typeChecker, symbol, location) { + if (isImportOrExportSpecifierName(location)) { + return location.getText(); + } + else if (ts.isStringOrNumericLiteral(location.kind) && + location.parent.kind === 141) { + return location.text; + } + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); + return name; + } + ts.getDeclaredName = getDeclaredName; + function isImportOrExportSpecifierName(location) { + return location.parent && + (location.parent.kind === 235 || location.parent.kind === 239) && + location.parent.propertyName === location; + } + ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; + function stripQuotes(name) { + var length = name.length; + if (length >= 2 && + name.charCodeAt(0) === name.charCodeAt(length - 1) && + (name.charCodeAt(0) === 34 || name.charCodeAt(0) === 39)) { + return name.substring(1, length - 1); + } + ; + return name; + } + ts.stripQuotes = stripQuotes; + function scriptKindIs(fileName, host) { + var scriptKinds = []; + for (var _i = 2; _i < arguments.length; _i++) { + scriptKinds[_i - 2] = arguments[_i]; + } + var scriptKind = getScriptKind(fileName, host); + return ts.forEach(scriptKinds, function (k) { return k === scriptKind; }); + } + ts.scriptKindIs = scriptKindIs; + function getScriptKind(fileName, host) { + var scriptKind; + if (host && host.getScriptKind) { + scriptKind = host.getScriptKind(fileName); + } + if (!scriptKind) { + scriptKind = ts.getScriptKindFromFileName(fileName); + } + return ts.ensureScriptKind(fileName, scriptKind); + } + ts.getScriptKind = getScriptKind; + function sanitizeConfigFile(configFileName, content) { + var options = { + fileName: "config.js", + compilerOptions: { + target: 2, + removeComments: true + }, + reportDiagnostics: true + }; + var _a = ts.transpileModule("(" + content + ")", options), outputText = _a.outputText, diagnostics = _a.diagnostics; + var trimmedOutput = outputText.trim(); + for (var _i = 0, diagnostics_2 = diagnostics; _i < diagnostics_2.length; _i++) { + var diagnostic = diagnostics_2[_i]; + diagnostic.start = diagnostic.start - 1; + } + var _b = ts.parseConfigFileTextToJson(configFileName, trimmedOutput.substring(1, trimmedOutput.length - 2), false), config = _b.config, error = _b.error; + return { + configJsonObject: config || {}, + diagnostics: error ? ts.concatenate(diagnostics, [error]) : diagnostics + }; + } + ts.sanitizeConfigFile = sanitizeConfigFile; +})(ts || (ts = {})); +var ts; +(function (ts) { + var BreakpointResolver; + (function (BreakpointResolver) { + function spanInSourceFileAtLocation(sourceFile, position) { + if (sourceFile.isDeclarationFile) { + return undefined; } - if (tokenKind === 26 || tokenKind === 28) { - if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { - return 10; + var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); + var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { + tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); + if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { + return undefined; } } - if (ts.isPunctuation(tokenKind)) { - if (token) { - if (tokenKind === 57) { - if (token.parent.kind === 219 || - token.parent.kind === 146 || - token.parent.kind === 143 || - token.parent.kind === 246) { - return 5; - } - } - if (token.parent.kind === 188 || - token.parent.kind === 186 || - token.parent.kind === 187 || - token.parent.kind === 189) { - return 5; - } - } - return 10; + if (ts.isInAmbientContext(tokenAtLocation)) { + return undefined; } - else if (tokenKind === 8) { - return 4; + return spanInNode(tokenAtLocation); + function textSpan(startNode, endNode) { + var start = startNode.decorators ? + ts.skipTrivia(sourceFile.text, startNode.decorators.end) : + startNode.getStart(sourceFile); + return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); } - else if (tokenKind === 9) { - return token.parent.kind === 246 ? 24 : 6; + function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { + return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); } - else if (tokenKind === 11) { - return 6; + function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { + if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { + return spanInNode(node); + } + return spanInNode(otherwiseOnNode); } - else if (ts.isTemplateLiteralKind(tokenKind)) { - return 6; + function spanInNodeArray(nodeArray) { + return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); } - else if (tokenKind === 10) { - return 23; + function spanInPreviousNode(node) { + return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); } - else if (tokenKind === 70) { - if (token) { - switch (token.parent.kind) { + function spanInNextNode(node) { + return spanInNode(ts.findNextToken(node, node.parent)); + } + function spanInNode(node) { + if (node) { + switch (node.kind) { + case 201: + return spanInVariableDeclaration(node.declarationList.declarations[0]); + case 219: + case 146: + case 145: + return spanInVariableDeclaration(node); + case 143: + return spanInParameterDeclaration(node); + case 221: + case 148: + case 147: + case 150: + case 151: + case 149: + case 180: + case 181: + return spanInFunctionDeclaration(node); + case 200: + if (ts.isFunctionBlock(node)) { + return spanInFunctionBlock(node); + } + case 227: + return spanInBlock(node); + case 252: + return spanInBlock(node.block); + case 203: + return textSpan(node.expression); + case 212: + return textSpan(node.getChildAt(0), node.expression); + case 206: + return textSpanEndingAtNextToken(node, node.expression); + case 205: + return spanInNode(node.statement); + case 218: + return textSpan(node.getChildAt(0)); + case 204: + return textSpanEndingAtNextToken(node, node.expression); + case 215: + return spanInNode(node.statement); + case 211: + case 210: + return textSpan(node.getChildAt(0), node.label); + case 207: + return spanInForStatement(node); + case 208: + return textSpanEndingAtNextToken(node, node.expression); + case 209: + return spanInInitializerOfForLike(node); + case 214: + return textSpanEndingAtNextToken(node, node.expression); + case 249: + case 250: + return spanInNode(node.statements[0]); + case 217: + return spanInBlock(node.tryBlock); + case 216: + return textSpan(node, node.expression); + case 236: + return textSpan(node, node.expression); + case 230: + return textSpan(node, node.moduleReference); + case 231: + return textSpan(node, node.moduleSpecifier); + case 237: + return textSpan(node, node.moduleSpecifier); + case 226: + if (ts.getModuleInstanceState(node) !== 1) { + return undefined; + } case 222: - if (token.parent.name === token) { - return 11; + case 225: + case 255: + case 170: + return textSpan(node); + case 213: + return spanInNode(node.statement); + case 144: + return spanInNodeArray(node.parent.decorators); + case 168: + case 169: + return spanInBindingPattern(node); + case 223: + case 224: + return undefined; + case 24: + case 1: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); + case 25: + return spanInPreviousNode(node); + case 16: + return spanInOpenBraceToken(node); + case 17: + return spanInCloseBraceToken(node); + case 21: + return spanInCloseBracketToken(node); + case 18: + return spanInOpenParenToken(node); + case 19: + return spanInCloseParenToken(node); + case 55: + return spanInColonToken(node); + case 28: + case 26: + return spanInGreaterThanOrLessThanToken(node); + case 105: + return spanInWhileKeyword(node); + case 81: + case 73: + case 86: + return spanInNextNode(node); + case 139: + return spanInOfKeyword(node); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); } - return; - case 142: - if (token.parent.name === token) { - return 15; + if ((node.kind === 70 || + node.kind == 192 || + node.kind === 253 || + node.kind === 254) && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + return textSpan(node); + } + if (node.kind === 188) { + var binaryExpression = node; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); + } + if (binaryExpression.operatorToken.kind === 57 && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { + return textSpan(node); + } + if (binaryExpression.operatorToken.kind === 25) { + return spanInNode(binaryExpression.left); + } + } + if (ts.isPartOfExpression(node)) { + switch (node.parent.kind) { + case 205: + return spanInPreviousNode(node); + case 144: + return spanInNode(node.parent); + case 207: + case 209: + return textSpan(node); + case 188: + if (node.parent.operatorToken.kind === 25) { + return textSpan(node); + } + break; + case 181: + if (node.parent.body === node) { + return textSpan(node); + } + break; + } + } + if (node.parent.kind === 253 && + node.parent.name === node && + !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { + return spanInNode(node.parent.initializer); } - return; - case 223: - if (token.parent.name === token) { - return 13; + if (node.parent.kind === 178 && node.parent.type === node) { + return spanInNextNode(node.parent.type); } - return; - case 225: - if (token.parent.name === token) { - return 12; + if (ts.isFunctionLike(node.parent) && node.parent.type === node) { + return spanInPreviousNode(node); } - return; - case 226: - if (token.parent.name === token) { - return 14; + if ((node.parent.kind === 219 || + node.parent.kind === 143)) { + var paramOrVarDecl = node.parent; + if (paramOrVarDecl.initializer === node || + paramOrVarDecl.type === node || + ts.isAssignmentOperator(node.kind)) { + return spanInPreviousNode(node); + } } - return; - case 143: - if (token.parent.name === token) { - return ts.isThisIdentifier(token) ? 3 : 17; + if (node.parent.kind === 188) { + var binaryExpression = node.parent; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && + (binaryExpression.right === node || + binaryExpression.operatorToken === node)) { + return spanInPreviousNode(node); + } } - return; - } - } - return 2; - } - } - function processElement(element) { - if (!element) { - return; - } - if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { - checkForClassificationCancellation(cancellationToken, element.kind); - var children = element.getChildren(sourceFile); - for (var i = 0, n = children.length; i < n; i++) { - var child = children[i]; - if (!tryClassifyNode(child)) { - processElement(child); + return spanInNode(node.parent); } } - } - } - } - ts.getEncodedSyntacticClassifications = getEncodedSyntacticClassifications; -})(ts || (ts = {})); -var ts; -(function (ts) { - var Completions; - (function (Completions) { - function getCompletionsAtPosition(host, typeChecker, log, compilerOptions, sourceFile, position) { - if (ts.isInReferenceComment(sourceFile, position)) { - return getTripleSlashReferenceCompletion(sourceFile, position); - } - if (ts.isInString(sourceFile, position)) { - return getStringLiteralCompletionEntries(sourceFile, position); - } - var completionData = getCompletionData(typeChecker, log, sourceFile, position); - if (!completionData) { - return undefined; - } - var symbols = completionData.symbols, isGlobalCompletion = completionData.isGlobalCompletion, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; - if (isJsDocTagName) { - return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: ts.JsDoc.getAllJsDocCompletionEntries() }; - } - var entries = []; - if (ts.isSourceFileJavaScript(sourceFile)) { - var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries, location, true); - ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); - } - else { - if (!symbols || symbols.length === 0) { - if (sourceFile.languageVariant === 1 && - location.parent && location.parent.kind === 245) { - var tagName = location.parent.parent.openingElement.tagName; - entries.push({ - name: tagName.text, - kind: undefined, - kindModifiers: undefined, - sortText: "0", - }); + function textSpanFromVariableDeclaration(variableDeclaration) { + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] === variableDeclaration) { + return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); } else { - return undefined; - } - } - getCompletionEntriesFromSymbols(symbols, entries, location, true); - } - if (!isMemberCompletion && !isJsDocTagName) { - ts.addRange(entries, keywordCompletions); - } - return { isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; - function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { - var entries = []; - var nameTable = ts.getNameTable(sourceFile); - for (var name_46 in nameTable) { - if (nameTable[name_46] === position) { - continue; - } - if (!uniqueNames[name_46]) { - uniqueNames[name_46] = name_46; - var displayName = getCompletionEntryDisplayName(ts.unescapeIdentifier(name_46), compilerOptions.target, true); - if (displayName) { - var entry = { - name: displayName, - kind: ts.ScriptElementKind.warning, - kindModifiers: "", - sortText: "1" - }; - entries.push(entry); - } - } - } - return entries; - } - function createCompletionEntry(symbol, location, performCharacterChecks) { - var displayName = getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, compilerOptions.target, performCharacterChecks, location); - if (!displayName) { - return undefined; - } - return { - name: displayName, - kind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, location), - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - sortText: "0", - }; - } - function getCompletionEntriesFromSymbols(symbols, entries, location, performCharacterChecks) { - var start = ts.timestamp(); - var uniqueNames = ts.createMap(); - if (symbols) { - for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { - var symbol = symbols_4[_i]; - var entry = createCompletionEntry(symbol, location, performCharacterChecks); - if (entry) { - var id = ts.escapeIdentifier(entry.name); - if (!uniqueNames[id]) { - entries.push(entry); - uniqueNames[id] = id; - } - } - } - } - log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (ts.timestamp() - start)); - return uniqueNames; - } - function getStringLiteralCompletionEntries(sourceFile, position) { - var node = ts.findPrecedingToken(position, sourceFile); - if (!node || node.kind !== 9) { - return undefined; - } - if (node.parent.kind === 253 && - node.parent.parent.kind === 172 && - node.parent.name === node) { - return getStringLiteralCompletionEntriesFromPropertyAssignment(node.parent); - } - else if (ts.isElementAccessExpression(node.parent) && node.parent.argumentExpression === node) { - return getStringLiteralCompletionEntriesFromElementAccess(node.parent); - } - else if (node.parent.kind === 231 || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node) || ts.isRequireCall(node.parent, false)) { - return getStringLiteralCompletionEntriesFromModuleNames(node); - } - else { - var argumentInfo = ts.SignatureHelp.getContainingArgumentInfo(node, position, sourceFile); - if (argumentInfo) { - return getStringLiteralCompletionEntriesFromCallExpression(argumentInfo); + return textSpan(variableDeclaration); } - return getStringLiteralCompletionEntriesFromContextualType(node); } - } - function getStringLiteralCompletionEntriesFromPropertyAssignment(element) { - var type = typeChecker.getContextualType(element.parent); - var entries = []; - if (type) { - getCompletionEntriesFromSymbols(type.getApparentProperties(), entries, element, false); - if (entries.length) { - return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: true, entries: entries }; + function spanInVariableDeclaration(variableDeclaration) { + if (variableDeclaration.parent.parent.kind === 208) { + return spanInNode(variableDeclaration.parent.parent); } - } - } - function getStringLiteralCompletionEntriesFromCallExpression(argumentInfo) { - var candidates = []; - var entries = []; - typeChecker.getResolvedSignature(argumentInfo.invocation, candidates); - for (var _i = 0, candidates_3 = candidates; _i < candidates_3.length; _i++) { - var candidate = candidates_3[_i]; - if (candidate.parameters.length > argumentInfo.argumentIndex) { - var parameter = candidate.parameters[argumentInfo.argumentIndex]; - addStringLiteralCompletionsFromType(typeChecker.getTypeAtLocation(parameter.valueDeclaration), entries); + if (ts.isBindingPattern(variableDeclaration.name)) { + return spanInBindingPattern(variableDeclaration.name); } - } - if (entries.length) { - return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: true, entries: entries }; - } - return undefined; - } - function getStringLiteralCompletionEntriesFromElementAccess(node) { - var type = typeChecker.getTypeAtLocation(node.expression); - var entries = []; - if (type) { - getCompletionEntriesFromSymbols(type.getApparentProperties(), entries, node, false); - if (entries.length) { - return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: true, entries: entries }; + if (variableDeclaration.initializer || + ts.hasModifier(variableDeclaration, 1) || + variableDeclaration.parent.parent.kind === 209) { + return textSpanFromVariableDeclaration(variableDeclaration); } - } - return undefined; - } - function getStringLiteralCompletionEntriesFromContextualType(node) { - var type = typeChecker.getContextualType(node); - if (type) { - var entries_2 = []; - addStringLiteralCompletionsFromType(type, entries_2); - if (entries_2.length) { - return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries_2 }; + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] !== variableDeclaration) { + return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); } } - return undefined; - } - function addStringLiteralCompletionsFromType(type, result) { - if (!type) { - return; - } - if (type.flags & 524288) { - ts.forEach(type.types, function (t) { return addStringLiteralCompletionsFromType(t, result); }); + function canHaveSpanInParameterDeclaration(parameter) { + return !!parameter.initializer || parameter.dotDotDotToken !== undefined || + ts.hasModifier(parameter, 4 | 8); } - else { - if (type.flags & 32) { - result.push({ - name: type.text, - kindModifiers: ts.ScriptElementKindModifier.none, - kind: ts.ScriptElementKind.variableElement, - sortText: "0" - }); + function spanInParameterDeclaration(parameter) { + if (ts.isBindingPattern(parameter.name)) { + return spanInBindingPattern(parameter.name); } - } - } - function getStringLiteralCompletionEntriesFromModuleNames(node) { - var literalValue = ts.normalizeSlashes(node.text); - var scriptPath = node.getSourceFile().path; - var scriptDirectory = ts.getDirectoryPath(scriptPath); - var span = getDirectoryFragmentTextSpan(node.text, node.getStart() + 1); - var entries; - if (isPathRelativeToScript(literalValue) || ts.isRootedDiskPath(literalValue)) { - if (compilerOptions.rootDirs) { - entries = getCompletionEntriesForDirectoryFragmentWithRootDirs(compilerOptions.rootDirs, literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); + else if (canHaveSpanInParameterDeclaration(parameter)) { + return textSpan(parameter); } else { - entries = getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); - } - } - else { - entries = getCompletionEntriesForNonRelativeModules(literalValue, scriptDirectory, span); - } - return { - isGlobalCompletion: false, - isMemberCompletion: false, - isNewIdentifierLocation: true, - entries: entries - }; - } - function getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase) { - rootDirs = ts.map(rootDirs, function (rootDirectory) { return ts.normalizePath(ts.isRootedDiskPath(rootDirectory) ? rootDirectory : ts.combinePaths(basePath, rootDirectory)); }); - var relativeDirectory; - for (var _i = 0, rootDirs_1 = rootDirs; _i < rootDirs_1.length; _i++) { - var rootDirectory = rootDirs_1[_i]; - if (ts.containsPath(rootDirectory, scriptPath, basePath, ignoreCase)) { - relativeDirectory = scriptPath.substr(rootDirectory.length); - break; + var functionDeclaration = parameter.parent; + var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); + if (indexOfParameter) { + return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + } + else { + return spanInNode(functionDeclaration.body); + } } } - return ts.deduplicate(ts.map(rootDirs, function (rootDirectory) { return ts.combinePaths(rootDirectory, relativeDirectory); })); - } - function getCompletionEntriesForDirectoryFragmentWithRootDirs(rootDirs, fragment, scriptPath, extensions, includeExtensions, span, exclude) { - var basePath = compilerOptions.project || host.getCurrentDirectory(); - var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); - var baseDirectories = getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase); - var result = []; - for (var _i = 0, baseDirectories_1 = baseDirectories; _i < baseDirectories_1.length; _i++) { - var baseDirectory = baseDirectories_1[_i]; - getCompletionEntriesForDirectoryFragment(fragment, baseDirectory, extensions, includeExtensions, span, exclude, result); - } - return result; - } - function getCompletionEntriesForDirectoryFragment(fragment, scriptPath, extensions, includeExtensions, span, exclude, result) { - if (result === void 0) { result = []; } - if (fragment === undefined) { - fragment = ""; - } - fragment = ts.normalizeSlashes(fragment); - fragment = ts.getDirectoryPath(fragment); - if (fragment === "") { - fragment = "." + ts.directorySeparator; + function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { + return ts.hasModifier(functionDeclaration, 1) || + (functionDeclaration.parent.kind === 222 && functionDeclaration.kind !== 149); } - fragment = ts.ensureTrailingDirectorySeparator(fragment); - var absolutePath = normalizeAndPreserveTrailingSlash(ts.isRootedDiskPath(fragment) ? fragment : ts.combinePaths(scriptPath, fragment)); - var baseDirectory = ts.getDirectoryPath(absolutePath); - var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); - if (tryDirectoryExists(host, baseDirectory)) { - var files = tryReadDirectory(host, baseDirectory, extensions, undefined, ["./*"]); - if (files) { - var foundFiles = ts.createMap(); - for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { - var filePath = files_3[_i]; - filePath = ts.normalizePath(filePath); - if (exclude && ts.comparePaths(filePath, exclude, scriptPath, ignoreCase) === 0) { - continue; - } - var foundFileName = includeExtensions ? ts.getBaseFileName(filePath) : ts.removeFileExtension(ts.getBaseFileName(filePath)); - if (!foundFiles[foundFileName]) { - foundFiles[foundFileName] = true; - } - } - for (var foundFile in foundFiles) { - result.push(createCompletionEntryForModule(foundFile, ts.ScriptElementKind.scriptElement, span)); - } + function spanInFunctionDeclaration(functionDeclaration) { + if (!functionDeclaration.body) { + return undefined; } - var directories = tryGetDirectories(host, baseDirectory); - if (directories) { - for (var _a = 0, directories_2 = directories; _a < directories_2.length; _a++) { - var directory = directories_2[_a]; - var directoryName = ts.getBaseFileName(ts.normalizePath(directory)); - result.push(createCompletionEntryForModule(directoryName, ts.ScriptElementKind.directory, span)); - } + if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { + return textSpan(functionDeclaration); } + return spanInNode(functionDeclaration.body); } - return result; - } - function getCompletionEntriesForNonRelativeModules(fragment, scriptPath, span) { - var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths; - var result; - if (baseUrl) { - var fileExtensions = ts.getSupportedExtensions(compilerOptions); - var projectDir = compilerOptions.project || host.getCurrentDirectory(); - var absolute = ts.isRootedDiskPath(baseUrl) ? baseUrl : ts.combinePaths(projectDir, baseUrl); - result = getCompletionEntriesForDirectoryFragment(fragment, ts.normalizePath(absolute), fileExtensions, false, span); - if (paths) { - for (var path in paths) { - if (paths.hasOwnProperty(path)) { - if (path === "*") { - if (paths[path]) { - for (var _i = 0, _a = paths[path]; _i < _a.length; _i++) { - var pattern = _a[_i]; - for (var _b = 0, _c = getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions); _b < _c.length; _b++) { - var match = _c[_b]; - result.push(createCompletionEntryForModule(match, ts.ScriptElementKind.externalModuleName, span)); - } - } - } - } - else if (ts.startsWith(path, fragment)) { - var entry = paths[path] && paths[path].length === 1 && paths[path][0]; - if (entry) { - result.push(createCompletionEntryForModule(path, ts.ScriptElementKind.externalModuleName, span)); - } - } - } - } + function spanInFunctionBlock(block) { + var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); + if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { + return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); } + return spanInNode(nodeForSpanInBlock); } - else { - result = []; - } - getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span, result); - for (var _d = 0, _e = enumeratePotentialNonRelativeModules(fragment, scriptPath, compilerOptions); _d < _e.length; _d++) { - var moduleName = _e[_d]; - result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); - } - return result; - } - function getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions) { - if (host.readDirectory) { - var parsed = ts.hasZeroOrOneAsteriskCharacter(pattern) ? ts.tryParsePattern(pattern) : undefined; - if (parsed) { - var normalizedPrefix = normalizeAndPreserveTrailingSlash(parsed.prefix); - var normalizedPrefixDirectory = ts.getDirectoryPath(normalizedPrefix); - var normalizedPrefixBase = ts.getBaseFileName(normalizedPrefix); - var fragmentHasPath = fragment.indexOf(ts.directorySeparator) !== -1; - var expandedPrefixDirectory = fragmentHasPath ? ts.combinePaths(normalizedPrefixDirectory, normalizedPrefixBase + ts.getDirectoryPath(fragment)) : normalizedPrefixDirectory; - var normalizedSuffix = ts.normalizePath(parsed.suffix); - var baseDirectory = ts.combinePaths(baseUrl, expandedPrefixDirectory); - var completePrefix = fragmentHasPath ? baseDirectory : ts.ensureTrailingDirectorySeparator(baseDirectory) + normalizedPrefixBase; - var includeGlob = normalizedSuffix ? "**/*" : "./*"; - var matches = tryReadDirectory(host, baseDirectory, fileExtensions, undefined, [includeGlob]); - if (matches) { - var result = []; - for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { - var match = matches_1[_i]; - var normalizedMatch = ts.normalizePath(match); - if (!ts.endsWith(normalizedMatch, normalizedSuffix) || !ts.startsWith(normalizedMatch, completePrefix)) { - continue; - } - var start = completePrefix.length; - var length_5 = normalizedMatch.length - start - normalizedSuffix.length; - result.push(ts.removeFileExtension(normalizedMatch.substr(start, length_5))); + function spanInBlock(block) { + switch (block.parent.kind) { + case 226: + if (ts.getModuleInstanceState(block.parent) !== 1) { + return undefined; } - return result; - } + case 206: + case 204: + case 208: + return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); + case 207: + case 209: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); } + return spanInNode(block.statements[0]); } - return undefined; - } - function enumeratePotentialNonRelativeModules(fragment, scriptPath, options) { - var isNestedModule = fragment.indexOf(ts.directorySeparator) !== -1; - var moduleNameFragment = isNestedModule ? fragment.substr(0, fragment.lastIndexOf(ts.directorySeparator)) : undefined; - var ambientModules = ts.map(typeChecker.getAmbientModules(), function (sym) { return ts.stripQuotes(sym.name); }); - var nonRelativeModules = ts.filter(ambientModules, function (moduleName) { return ts.startsWith(moduleName, fragment); }); - if (isNestedModule) { - var moduleNameWithSeperator_1 = ts.ensureTrailingDirectorySeparator(moduleNameFragment); - nonRelativeModules = ts.map(nonRelativeModules, function (moduleName) { - if (ts.startsWith(fragment, moduleNameWithSeperator_1)) { - return moduleName.substr(moduleNameWithSeperator_1.length); - } - return moduleName; - }); - } - if (!options.moduleResolution || options.moduleResolution === ts.ModuleResolutionKind.NodeJs) { - for (var _i = 0, _a = enumerateNodeModulesVisibleToScript(host, scriptPath); _i < _a.length; _i++) { - var visibleModule = _a[_i]; - if (!isNestedModule) { - nonRelativeModules.push(visibleModule.moduleName); - } - else if (ts.startsWith(visibleModule.moduleName, moduleNameFragment)) { - var nestedFiles = tryReadDirectory(host, visibleModule.moduleDir, ts.supportedTypeScriptExtensions, undefined, ["./*"]); - if (nestedFiles) { - for (var _b = 0, nestedFiles_1 = nestedFiles; _b < nestedFiles_1.length; _b++) { - var f = nestedFiles_1[_b]; - f = ts.normalizePath(f); - var nestedModule = ts.removeFileExtension(ts.getBaseFileName(f)); - nonRelativeModules.push(nestedModule); - } - } + function spanInInitializerOfForLike(forLikeStatement) { + if (forLikeStatement.initializer.kind === 220) { + var variableDeclarationList = forLikeStatement.initializer; + if (variableDeclarationList.declarations.length > 0) { + return spanInNode(variableDeclarationList.declarations[0]); } } - } - return ts.deduplicate(nonRelativeModules); - } - function getTripleSlashReferenceCompletion(sourceFile, position) { - var token = ts.getTokenAtPosition(sourceFile, position); - if (!token) { - return undefined; - } - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - if (!commentRanges || !commentRanges.length) { - return undefined; - } - var range = ts.forEach(commentRanges, function (commentRange) { return position >= commentRange.pos && position <= commentRange.end && commentRange; }); - if (!range) { - return undefined; - } - var completionInfo = { - isGlobalCompletion: false, - isMemberCompletion: false, - isNewIdentifierLocation: true, - entries: [] - }; - var text = sourceFile.text.substr(range.pos, position - range.pos); - var match = tripleSlashDirectiveFragmentRegex.exec(text); - if (match) { - var prefix = match[1]; - var kind = match[2]; - var toComplete = match[3]; - var scriptPath = ts.getDirectoryPath(sourceFile.path); - if (kind === "path") { - var span_10 = getDirectoryFragmentTextSpan(toComplete, range.pos + prefix.length); - completionInfo.entries = getCompletionEntriesForDirectoryFragment(toComplete, scriptPath, ts.getSupportedExtensions(compilerOptions), true, span_10, sourceFile.path); - } else { - var span_11 = { start: range.pos + prefix.length, length: match[0].length - prefix.length }; - completionInfo.entries = getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span_11); + return spanInNode(forLikeStatement.initializer); } } - return completionInfo; - } - function getCompletionEntriesFromTypings(host, options, scriptPath, span, result) { - if (result === void 0) { result = []; } - if (options.types) { - for (var _i = 0, _a = options.types; _i < _a.length; _i++) { - var moduleName = _a[_i]; - result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); + function spanInForStatement(forStatement) { + if (forStatement.initializer) { + return spanInInitializerOfForLike(forStatement); + } + if (forStatement.condition) { + return textSpan(forStatement.condition); + } + if (forStatement.incrementor) { + return textSpan(forStatement.incrementor); } } - else if (host.getDirectories) { - var typeRoots = void 0; - try { - typeRoots = ts.getEffectiveTypeRoots(options, host); + function spanInBindingPattern(bindingPattern) { + var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 194 ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); } - catch (e) { } - if (typeRoots) { - for (var _b = 0, typeRoots_2 = typeRoots; _b < typeRoots_2.length; _b++) { - var root = typeRoots_2[_b]; - getCompletionEntriesFromDirectories(host, root, span, result); - } + if (bindingPattern.parent.kind === 170) { + return textSpan(bindingPattern.parent); } + return textSpanFromVariableDeclaration(bindingPattern.parent); } - if (host.getDirectories) { - for (var _c = 0, _d = findPackageJsons(scriptPath); _c < _d.length; _c++) { - var packageJson = _d[_c]; - var typesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules/@types"); - getCompletionEntriesFromDirectories(host, typesDir, span, result); + function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { + ts.Debug.assert(node.kind !== 169 && node.kind !== 168); + var elements = node.kind === 171 ? + node.elements : + node.properties; + var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 194 ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); } + return textSpan(node.parent.kind === 188 ? node.parent : node); } - return result; - } - function getCompletionEntriesFromDirectories(host, directory, span, result) { - if (host.getDirectories && tryDirectoryExists(host, directory)) { - var directories = tryGetDirectories(host, directory); - if (directories) { - for (var _i = 0, directories_3 = directories; _i < directories_3.length; _i++) { - var typeDirectory = directories_3[_i]; - typeDirectory = ts.normalizePath(typeDirectory); - result.push(createCompletionEntryForModule(ts.getBaseFileName(typeDirectory), ts.ScriptElementKind.externalModuleName, span)); - } + function spanInOpenBraceToken(node) { + switch (node.parent.kind) { + case 225: + var enumDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); + case 222: + var classDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); + case 228: + return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); } + return spanInNode(node.parent); } - } - function findPackageJsons(currentDir) { - var paths = []; - var currentConfigPath; - while (true) { - currentConfigPath = ts.findConfigFile(currentDir, function (f) { return tryFileExists(host, f); }, "package.json"); - if (currentConfigPath) { - paths.push(currentConfigPath); - currentDir = ts.getDirectoryPath(currentConfigPath); - var parent_16 = ts.getDirectoryPath(currentDir); - if (currentDir === parent_16) { - break; - } - currentDir = parent_16; + function spanInCloseBraceToken(node) { + switch (node.parent.kind) { + case 227: + if (ts.getModuleInstanceState(node.parent.parent) !== 1) { + return undefined; + } + case 225: + case 222: + return textSpan(node); + case 200: + if (ts.isFunctionBlock(node.parent)) { + return textSpan(node); + } + case 252: + return spanInNode(ts.lastOrUndefined(node.parent.statements)); + case 228: + var caseBlock = node.parent; + var lastClause = ts.lastOrUndefined(caseBlock.clauses); + if (lastClause) { + return spanInNode(ts.lastOrUndefined(lastClause.statements)); + } + return undefined; + case 168: + var bindingPattern = node.parent; + return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + var objectLiteral = node.parent; + return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); + } + return spanInNode(node.parent); } - else { - break; + } + function spanInCloseBracketToken(node) { + switch (node.parent.kind) { + case 169: + var bindingPattern = node.parent; + return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + var arrayLiteral = node.parent; + return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); + } + return spanInNode(node.parent); } } - return paths; - } - function enumerateNodeModulesVisibleToScript(host, scriptPath) { - var result = []; - if (host.readFile && host.fileExists) { - for (var _i = 0, _a = findPackageJsons(scriptPath); _i < _a.length; _i++) { - var packageJson = _a[_i]; - var contents = tryReadingPackageJson(packageJson); - if (!contents) { - return; - } - var nodeModulesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules"); - var foundModuleNames = []; - for (var _b = 0, nodeModulesDependencyKeys_1 = nodeModulesDependencyKeys; _b < nodeModulesDependencyKeys_1.length; _b++) { - var key = nodeModulesDependencyKeys_1[_b]; - addPotentialPackageNames(contents[key], foundModuleNames); - } - for (var _c = 0, foundModuleNames_1 = foundModuleNames; _c < foundModuleNames_1.length; _c++) { - var moduleName = foundModuleNames_1[_c]; - var moduleDir = ts.combinePaths(nodeModulesDir, moduleName); - result.push({ - moduleName: moduleName, - moduleDir: moduleDir - }); - } + function spanInOpenParenToken(node) { + if (node.parent.kind === 205 || + node.parent.kind === 175 || + node.parent.kind === 176) { + return spanInPreviousNode(node); + } + if (node.parent.kind === 179) { + return spanInNextNode(node); } + return spanInNode(node.parent); } - return result; - function tryReadingPackageJson(filePath) { - try { - var fileText = tryReadFile(host, filePath); - return fileText ? JSON.parse(fileText) : undefined; + function spanInCloseParenToken(node) { + switch (node.parent.kind) { + case 180: + case 221: + case 181: + case 148: + case 147: + case 150: + case 151: + case 149: + case 206: + case 205: + case 207: + case 209: + case 175: + case 176: + case 179: + return spanInPreviousNode(node); + default: + return spanInNode(node.parent); } - catch (e) { - return undefined; + } + function spanInColonToken(node) { + if (ts.isFunctionLike(node.parent) || + node.parent.kind === 253 || + node.parent.kind === 143) { + return spanInPreviousNode(node); } + return spanInNode(node.parent); } - function addPotentialPackageNames(dependencies, result) { - if (dependencies) { - for (var dep in dependencies) { - if (dependencies.hasOwnProperty(dep) && !ts.startsWith(dep, "@types/")) { - result.push(dep); - } - } + function spanInGreaterThanOrLessThanToken(node) { + if (node.parent.kind === 178) { + return spanInNextNode(node); } + return spanInNode(node.parent); + } + function spanInWhileKeyword(node) { + if (node.parent.kind === 205) { + return textSpanEndingAtNextToken(node, node.parent.expression); + } + return spanInNode(node.parent); + } + function spanInOfKeyword(node) { + if (node.parent.kind === 209) { + return spanInNextNode(node); + } + return spanInNode(node.parent); } } - function createCompletionEntryForModule(name, kind, replacementSpan) { - return { name: name, kind: kind, kindModifiers: ts.ScriptElementKindModifier.none, sortText: name, replacementSpan: replacementSpan }; - } - function getDirectoryFragmentTextSpan(text, textStart) { - var index = text.lastIndexOf(ts.directorySeparator); - var offset = index !== -1 ? index + 1 : 0; - return { start: textStart + offset, length: text.length - offset }; - } - function isPathRelativeToScript(path) { - if (path && path.length >= 2 && path.charCodeAt(0) === 46) { - var slashIndex = path.length >= 3 && path.charCodeAt(1) === 46 ? 2 : 1; - var slashCharCode = path.charCodeAt(slashIndex); - return slashCharCode === 47 || slashCharCode === 92; + } + BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; + })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function createClassifier() { + var scanner = ts.createScanner(4, false); + var noRegexTable = []; + noRegexTable[70] = true; + noRegexTable[9] = true; + noRegexTable[8] = true; + noRegexTable[11] = true; + noRegexTable[98] = true; + noRegexTable[42] = true; + noRegexTable[43] = true; + noRegexTable[19] = true; + noRegexTable[21] = true; + noRegexTable[17] = true; + noRegexTable[100] = true; + noRegexTable[85] = true; + var templateStack = []; + function canFollow(keyword1, keyword2) { + if (ts.isAccessibilityModifier(keyword1)) { + if (keyword2 === 124 || + keyword2 === 132 || + keyword2 === 122 || + keyword2 === 114) { + return true; } return false; } - function normalizeAndPreserveTrailingSlash(path) { - return ts.hasTrailingDirectorySeparator(path) ? ts.ensureTrailingDirectorySeparator(ts.normalizePath(path)) : ts.normalizePath(path); - } + return true; } - Completions.getCompletionsAtPosition = getCompletionsAtPosition; - function getCompletionEntryDetails(typeChecker, log, compilerOptions, sourceFile, position, entryName) { - var completionData = getCompletionData(typeChecker, log, sourceFile, position); - if (completionData) { - var symbols = completionData.symbols, location_2 = completionData.location; - var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_2) === entryName ? s : undefined; }); - if (symbol) { - var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, location_2, location_2, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; - return { - name: entryName, - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - kind: symbolKind, - displayParts: displayParts, - documentation: documentation - }; + function convertClassifications(classifications, text) { + var entries = []; + var dense = classifications.spans; + var lastEnd = 0; + for (var i = 0, n = dense.length; i < n; i += 3) { + var start = dense[i]; + var length_4 = dense[i + 1]; + var type = dense[i + 2]; + if (lastEnd >= 0) { + var whitespaceLength_1 = start - lastEnd; + if (whitespaceLength_1 > 0) { + entries.push({ length: whitespaceLength_1, classification: ts.TokenClass.Whitespace }); + } } + entries.push({ length: length_4, classification: convertClassification(type) }); + lastEnd = start + length_4; } - var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); - if (keywordCompletion) { - return { - name: entryName, - kind: ts.ScriptElementKind.keyword, - kindModifiers: ts.ScriptElementKindModifier.none, - displayParts: [ts.displayPart(entryName, ts.SymbolDisplayPartKind.keyword)], - documentation: undefined - }; + var whitespaceLength = text.length - lastEnd; + if (whitespaceLength > 0) { + entries.push({ length: whitespaceLength, classification: ts.TokenClass.Whitespace }); } - return undefined; + return { entries: entries, finalLexState: classifications.endOfLineState }; } - Completions.getCompletionEntryDetails = getCompletionEntryDetails; - function getCompletionEntrySymbol(typeChecker, log, compilerOptions, sourceFile, position, entryName) { - var completionData = getCompletionData(typeChecker, log, sourceFile, position); - if (completionData) { - var symbols = completionData.symbols, location_3 = completionData.location; - return ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_3) === entryName ? s : undefined; }); + function convertClassification(type) { + switch (type) { + case 1: return ts.TokenClass.Comment; + case 3: return ts.TokenClass.Keyword; + case 4: return ts.TokenClass.NumberLiteral; + case 5: return ts.TokenClass.Operator; + case 6: return ts.TokenClass.StringLiteral; + case 8: return ts.TokenClass.Whitespace; + case 10: return ts.TokenClass.Punctuation; + case 2: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 9: + case 17: + default: + return ts.TokenClass.Identifier; } - return undefined; } - Completions.getCompletionEntrySymbol = getCompletionEntrySymbol; - function getCompletionData(typeChecker, log, sourceFile, position) { - var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); - var isJsDocTagName = false; - var start = ts.timestamp(); - var currentToken = ts.getTokenAtPosition(sourceFile, position); - log("getCompletionData: Get current token: " + (ts.timestamp() - start)); - start = ts.timestamp(); - var insideComment = ts.isInsideComment(sourceFile, currentToken, position); - log("getCompletionData: Is inside comment: " + (ts.timestamp() - start)); - if (insideComment) { - if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64) { - isJsDocTagName = true; - } - var insideJsDocTagExpression = false; - var tag = ts.getJsDocTagAtPosition(sourceFile, position); - if (tag) { - if (tag.tagName.pos <= position && position <= tag.tagName.end) { - isJsDocTagName = true; - } - switch (tag.kind) { - case 277: - case 275: - case 276: - var tagWithExpression = tag; - if (tagWithExpression.typeExpression) { - insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; - } - break; - } - } - if (isJsDocTagName) { - return { symbols: undefined, isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; - } - if (!insideJsDocTagExpression) { - log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); - return undefined; - } + function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { + return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + } + function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { + var offset = 0; + var token = 0; + var lastNonTriviaToken = 0; + while (templateStack.length > 0) { + templateStack.pop(); } - start = ts.timestamp(); - var previousToken = ts.findPrecedingToken(position, sourceFile); - log("getCompletionData: Get previous token 1: " + (ts.timestamp() - start)); - var contextToken = previousToken; - if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { - var start_2 = ts.timestamp(); - contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); - log("getCompletionData: Get previous token 2: " + (ts.timestamp() - start_2)); + switch (lexState) { + case 3: + text = "\"\\\n" + text; + offset = 3; + break; + case 2: + text = "'\\\n" + text; + offset = 3; + break; + case 1: + text = "/*\n" + text; + offset = 3; + break; + case 4: + text = "`\n" + text; + offset = 2; + break; + case 5: + text = "}\n" + text; + offset = 2; + case 6: + templateStack.push(13); + break; } - var node = currentToken; - var isRightOfDot = false; - var isRightOfOpenTag = false; - var isStartingCloseTag = false; - var location = ts.getTouchingPropertyName(sourceFile, position); - if (contextToken) { - if (isCompletionListBlocker(contextToken)) { - log("Returning an empty list because completion was requested in an invalid position."); - return undefined; - } - var parent_17 = contextToken.parent, kind = contextToken.kind; - if (kind === 22) { - if (parent_17.kind === 173) { - node = contextToken.parent.expression; - isRightOfDot = true; - } - else if (parent_17.kind === 140) { - node = contextToken.parent.left; - isRightOfDot = true; - } - else { - return undefined; + scanner.setText(text); + var result = { + endOfLineState: 0, + spans: [] + }; + var angleBracketStack = 0; + do { + token = scanner.scan(); + if (!ts.isTrivia(token)) { + if ((token === 40 || token === 62) && !noRegexTable[lastNonTriviaToken]) { + if (scanner.reScanSlashToken() === 11) { + token = 11; + } } - } - else if (sourceFile.languageVariant === 1) { - if (kind === 26) { - isRightOfOpenTag = true; - location = contextToken; + else if (lastNonTriviaToken === 22 && isKeyword(token)) { + token = 70; } - else if (kind === 40 && contextToken.parent.kind === 245) { - isStartingCloseTag = true; - location = contextToken; + else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { + token = 70; } - } - } - var semanticStart = ts.timestamp(); - var isGlobalCompletion = false; - var isMemberCompletion; - var isNewIdentifierLocation; - var symbols = []; - if (isRightOfDot) { - getTypeScriptMemberSymbols(); - } - else if (isRightOfOpenTag) { - var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); - if (tryGetGlobalSymbols()) { - symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & (107455 | 8388608)); })); - } - else { - symbols = tagSymbols; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else if (isStartingCloseTag) { - var tagName = contextToken.parent.parent.openingElement.tagName; - var tagSymbol = typeChecker.getSymbolAtLocation(tagName); - if (!typeChecker.isUnknownSymbol(tagSymbol)) { - symbols = [tagSymbol]; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else { - if (!tryGetGlobalSymbols()) { - return undefined; - } - } - log("getCompletionData: Semantic work: " + (ts.timestamp() - semanticStart)); - return { symbols: symbols, isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; - function getTypeScriptMemberSymbols() { - isGlobalCompletion = false; - isMemberCompletion = true; - isNewIdentifierLocation = false; - if (node.kind === 70 || node.kind === 140 || node.kind === 173) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol && symbol.flags & 8388608) { - symbol = typeChecker.getAliasedSymbol(symbol); + else if (lastNonTriviaToken === 70 && + token === 26) { + angleBracketStack++; } - if (symbol && symbol.flags & 1952) { - var exportedSymbols = typeChecker.getExportsOfModule(symbol); - ts.forEach(exportedSymbols, function (symbol) { - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); + else if (token === 28 && angleBracketStack > 0) { + angleBracketStack--; + } + else if (token === 118 || + token === 133 || + token === 131 || + token === 121 || + token === 134) { + if (angleBracketStack > 0 && !syntacticClassifierAbsent) { + token = 70; + } + } + else if (token === 13) { + templateStack.push(token); + } + else if (token === 16) { + if (templateStack.length > 0) { + templateStack.push(token); + } + } + else if (token === 17) { + if (templateStack.length > 0) { + var lastTemplateStackToken = ts.lastOrUndefined(templateStack); + if (lastTemplateStackToken === 13) { + token = scanner.reScanTemplateToken(); + if (token === 15) { + templateStack.pop(); + } + else { + ts.Debug.assert(token === 14, "Should have been a template middle. Was " + token); + } } - }); + else { + ts.Debug.assert(lastTemplateStackToken === 16, "Should have been an open brace. Was: " + token); + templateStack.pop(); + } + } } + lastNonTriviaToken = token; } - var type = typeChecker.getTypeAtLocation(node); - addTypeProperties(type); - } - function addTypeProperties(type) { - if (type) { - for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { - var symbol = _a[_i]; - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); + processToken(); + } while (token !== 1); + return result; + function processToken() { + var start = scanner.getTokenPos(); + var end = scanner.getTextPos(); + addResult(start, end, classFromKind(token)); + if (end >= text.length) { + if (token === 9) { + var tokenText = scanner.getTokenText(); + if (scanner.isUnterminated()) { + var lastCharIndex = tokenText.length - 1; + var numBackslashes = 0; + while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92) { + numBackslashes++; + } + if (numBackslashes & 1) { + var quoteChar = tokenText.charCodeAt(0); + result.endOfLineState = quoteChar === 34 + ? 3 + : 2; + } } } - if (isJavaScriptFile && type.flags & 524288) { - var unionType = type; - for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { - var elementType = _c[_b]; - addTypeProperties(elementType); + else if (token === 3) { + if (scanner.isUnterminated()) { + result.endOfLineState = 1; } } - } - } - function tryGetGlobalSymbols() { - var objectLikeContainer; - var namedImportsOrExports; - var jsxContainer; - if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { - return tryGetObjectLikeCompletionSymbols(objectLikeContainer); - } - if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { - return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); - } - if (jsxContainer = tryGetContainingJsxElement(contextToken)) { - var attrsType = void 0; - if ((jsxContainer.kind === 243) || (jsxContainer.kind === 244)) { - attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); - if (attrsType) { - symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); - isMemberCompletion = true; - isNewIdentifierLocation = false; - return true; + else if (ts.isTemplateLiteralKind(token)) { + if (scanner.isUnterminated()) { + if (token === 15) { + result.endOfLineState = 5; + } + else if (token === 12) { + result.endOfLineState = 4; + } + else { + ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + } } } + else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 13) { + result.endOfLineState = 6; + } } - isMemberCompletion = false; - isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); - if (previousToken !== contextToken) { - ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + function addResult(start, end, classification) { + if (classification === 8) { + return; } - var adjustedPosition = previousToken !== contextToken ? - previousToken.getStart() : - position; - var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; - if (scopeNode) { - isGlobalCompletion = - scopeNode.kind === 256 || - scopeNode.kind === 190 || - scopeNode.kind === 248 || - ts.isStatement(scopeNode); + if (start === 0 && offset > 0) { + start += offset; } - var symbolMeanings = 793064 | 107455 | 1920 | 8388608; - symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); - return true; - } - function getScopeNode(initialToken, position, sourceFile) { - var scope = initialToken; - while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { - scope = scope.parent; + start -= offset; + end -= offset; + var length = end - start; + if (length > 0) { + result.spans.push(start); + result.spans.push(length); + result.spans.push(classification); } - return scope; } - function isCompletionListBlocker(contextToken) { - var start = ts.timestamp(); - var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || - isSolelyIdentifierDefinitionLocation(contextToken) || - isDotOfNumericLiteral(contextToken) || - isInJsxText(contextToken); - log("getCompletionsAtPosition: isCompletionListBlocker: " + (ts.timestamp() - start)); - return result; + } + function isBinaryExpressionOperatorToken(token) { + switch (token) { + case 38: + case 40: + case 41: + case 36: + case 37: + case 44: + case 45: + case 46: + case 26: + case 28: + case 29: + case 30: + case 92: + case 91: + case 117: + case 31: + case 32: + case 33: + case 34: + case 47: + case 49: + case 48: + case 52: + case 53: + case 68: + case 67: + case 69: + case 64: + case 65: + case 66: + case 58: + case 59: + case 60: + case 62: + case 63: + case 57: + case 25: + return true; + default: + return false; } - function isInJsxText(contextToken) { - if (contextToken.kind === 10) { + } + function isPrefixUnaryExpressionOperatorToken(token) { + switch (token) { + case 36: + case 37: + case 51: + case 50: + case 42: + case 43: return true; - } - if (contextToken.kind === 28 && contextToken.parent) { - if (contextToken.parent.kind === 244) { - return true; - } - if (contextToken.parent.kind === 245 || contextToken.parent.kind === 243) { - return contextToken.parent.parent && contextToken.parent.parent.kind === 242; - } - } - return false; + default: + return false; } - function isNewIdentifierDefinitionLocation(previousToken) { - if (previousToken) { - var containingNodeKind = previousToken.parent.kind; - switch (previousToken.kind) { - case 25: - return containingNodeKind === 175 - || containingNodeKind === 149 - || containingNodeKind === 176 - || containingNodeKind === 171 - || containingNodeKind === 188 - || containingNodeKind === 157; - case 18: - return containingNodeKind === 175 - || containingNodeKind === 149 - || containingNodeKind === 176 - || containingNodeKind === 179 - || containingNodeKind === 165; - case 20: - return containingNodeKind === 171 - || containingNodeKind === 154 - || containingNodeKind === 141; - case 126: - case 127: - return true; - case 22: - return containingNodeKind === 226; - case 16: - return containingNodeKind === 222; - case 57: - return containingNodeKind === 219 - || containingNodeKind === 188; - case 13: - return containingNodeKind === 190; - case 14: - return containingNodeKind === 198; - case 113: - case 111: - case 112: - return containingNodeKind === 146; - } - switch (previousToken.getText()) { - case "public": - case "protected": - case "private": - return true; - } - } - return false; + } + function isKeyword(token) { + return token >= 71 && token <= 139; + } + function classFromKind(token) { + if (isKeyword(token)) { + return 3; } - function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { - if (contextToken.kind === 9 - || contextToken.kind === 11 - || ts.isTemplateLiteralKind(contextToken.kind)) { - var start_3 = contextToken.getStart(); - var end = contextToken.getEnd(); - if (start_3 < position && position < end) { - return true; - } - if (position === end) { - return !!contextToken.isUnterminated - || contextToken.kind === 11; + else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { + return 5; + } + else if (token >= 16 && token <= 69) { + return 10; + } + switch (token) { + case 8: + return 4; + case 9: + return 6; + case 11: + return 7; + case 7: + case 3: + case 2: + return 1; + case 5: + case 4: + return 8; + case 70: + default: + if (ts.isTemplateLiteralKind(token)) { + return 6; } + return 2; + } + } + return { + getClassificationsForLine: getClassificationsForLine, + getEncodedLexicalClassifications: getEncodedLexicalClassifications + }; + } + ts.createClassifier = createClassifier; + function getSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { + return convertClassifications(getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span)); + } + ts.getSemanticClassifications = getSemanticClassifications; + function checkForClassificationCancellation(cancellationToken, kind) { + switch (kind) { + case 226: + case 222: + case 223: + case 221: + cancellationToken.throwIfCancellationRequested(); + } + } + function getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { + var result = []; + processNode(sourceFile); + return { spans: result, endOfLineState: 0 }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifySymbol(symbol, meaningAtPosition) { + var flags = symbol.getFlags(); + if ((flags & 788448) === 0) { + return; + } + if (flags & 32) { + return 11; + } + else if (flags & 384) { + return 12; + } + else if (flags & 524288) { + return 16; + } + else if (meaningAtPosition & 2) { + if (flags & 64) { + return 13; + } + else if (flags & 262144) { + return 15; } - return false; } - function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { - isMemberCompletion = true; - var typeForObject; - var existingMembers; - if (objectLikeContainer.kind === 172) { - isNewIdentifierLocation = true; - typeForObject = typeChecker.getContextualType(objectLikeContainer); - typeForObject = typeForObject && typeForObject.getNonNullableType(); - existingMembers = objectLikeContainer.properties; + else if (flags & 1536) { + if (meaningAtPosition & 4 || + (meaningAtPosition & 1 && hasValueSideModule(symbol))) { + return 14; } - else if (objectLikeContainer.kind === 168) { - isNewIdentifierLocation = false; - var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); - if (ts.isVariableLike(rootDeclaration)) { - var canGetType = !!(rootDeclaration.initializer || rootDeclaration.type); - if (!canGetType && rootDeclaration.kind === 143) { - if (ts.isExpression(rootDeclaration.parent)) { - canGetType = !!typeChecker.getContextualType(rootDeclaration.parent); - } - else if (rootDeclaration.parent.kind === 148 || rootDeclaration.parent.kind === 151) { - canGetType = ts.isExpression(rootDeclaration.parent.parent) && !!typeChecker.getContextualType(rootDeclaration.parent.parent); + } + return undefined; + function hasValueSideModule(symbol) { + return ts.forEach(symbol.declarations, function (declaration) { + return declaration.kind === 226 && + ts.getModuleInstanceState(declaration) === 1; + }); + } + } + function processNode(node) { + if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { + var kind = node.kind; + checkForClassificationCancellation(cancellationToken, kind); + if (kind === 70 && !ts.nodeIsMissing(node)) { + var identifier = node; + if (classifiableNames[identifier.text]) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var type = classifySymbol(symbol, ts.getMeaningFromLocation(node)); + if (type) { + pushClassification(node.getStart(), node.getWidth(), type); } } - if (canGetType) { - typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); - existingMembers = objectLikeContainer.elements; - } - } - else { - ts.Debug.fail("Root declaration is not variable-like."); } } - else { - ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); - } - if (!typeForObject) { - return false; + ts.forEachChild(node, processNode); + } + } + } + ts.getEncodedSemanticClassifications = getEncodedSemanticClassifications; + function getClassificationTypeName(type) { + switch (type) { + case 1: return ts.ClassificationTypeNames.comment; + case 2: return ts.ClassificationTypeNames.identifier; + case 3: return ts.ClassificationTypeNames.keyword; + case 4: return ts.ClassificationTypeNames.numericLiteral; + case 5: return ts.ClassificationTypeNames.operator; + case 6: return ts.ClassificationTypeNames.stringLiteral; + case 8: return ts.ClassificationTypeNames.whiteSpace; + case 9: return ts.ClassificationTypeNames.text; + case 10: return ts.ClassificationTypeNames.punctuation; + case 11: return ts.ClassificationTypeNames.className; + case 12: return ts.ClassificationTypeNames.enumName; + case 13: return ts.ClassificationTypeNames.interfaceName; + case 14: return ts.ClassificationTypeNames.moduleName; + case 15: return ts.ClassificationTypeNames.typeParameterName; + case 16: return ts.ClassificationTypeNames.typeAliasName; + case 17: return ts.ClassificationTypeNames.parameterName; + case 18: return ts.ClassificationTypeNames.docCommentTagName; + case 19: return ts.ClassificationTypeNames.jsxOpenTagName; + case 20: return ts.ClassificationTypeNames.jsxCloseTagName; + case 21: return ts.ClassificationTypeNames.jsxSelfClosingTagName; + case 22: return ts.ClassificationTypeNames.jsxAttribute; + case 23: return ts.ClassificationTypeNames.jsxText; + case 24: return ts.ClassificationTypeNames.jsxAttributeStringLiteralValue; + } + } + function convertClassifications(classifications) { + ts.Debug.assert(classifications.spans.length % 3 === 0); + var dense = classifications.spans; + var result = []; + for (var i = 0, n = dense.length; i < n; i += 3) { + result.push({ + textSpan: ts.createTextSpan(dense[i], dense[i + 1]), + classificationType: getClassificationTypeName(dense[i + 2]) + }); + } + return result; + } + function getSyntacticClassifications(cancellationToken, sourceFile, span) { + return convertClassifications(getEncodedSyntacticClassifications(cancellationToken, sourceFile, span)); + } + ts.getSyntacticClassifications = getSyntacticClassifications; + function getEncodedSyntacticClassifications(cancellationToken, sourceFile, span) { + var spanStart = span.start; + var spanLength = span.length; + var triviaScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); + var mergeConflictScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); + var result = []; + processElement(sourceFile); + return { spans: result, endOfLineState: 0 }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifyLeadingTriviaAndGetTokenStart(token) { + triviaScanner.setTextPos(token.pos); + while (true) { + var start = triviaScanner.getTextPos(); + if (!ts.couldStartTrivia(sourceFile.text, start)) { + return start; } - var typeMembers = typeChecker.getPropertiesOfType(typeForObject); - if (typeMembers && typeMembers.length > 0) { - symbols = filterObjectMembersList(typeMembers, existingMembers); + var kind = triviaScanner.scan(); + var end = triviaScanner.getTextPos(); + var width = end - start; + if (!ts.isTrivia(kind)) { + return start; } - return true; - } - function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { - var declarationKind = namedImportsOrExports.kind === 234 ? - 231 : - 237; - var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); - var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; - if (!moduleSpecifier) { - return false; + if (kind === 4 || kind === 5) { + continue; } - isMemberCompletion = true; - isNewIdentifierLocation = false; - var exports; - var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); - if (moduleSpecifierSymbol) { - exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); + if (ts.isComment(kind)) { + classifyComment(token, kind, start, width); + triviaScanner.setTextPos(end); + continue; } - symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : ts.emptyArray; - return true; - } - function tryGetObjectLikeCompletionContainer(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 16: - case 25: - var parent_18 = contextToken.parent; - if (parent_18 && (parent_18.kind === 172 || parent_18.kind === 168)) { - return parent_18; - } - break; + if (kind === 7) { + var text = sourceFile.text; + var ch = text.charCodeAt(start); + if (ch === 60 || ch === 62) { + pushClassification(start, width, 1); + continue; } + ts.Debug.assert(ch === 61); + classifyDisabledMergeCode(text, start, end); } - return undefined; } - function tryGetNamedImportsOrExportsForCompletion(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 16: - case 25: - switch (contextToken.parent.kind) { - case 234: - case 238: - return contextToken.parent; - } - } + } + function classifyComment(token, kind, start, width) { + if (kind === 3) { + var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); + if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDoc) { + docCommentAndDiagnostics.jsDoc.parent = token; + classifyJSDocComment(docCommentAndDiagnostics.jsDoc); + return; } - return undefined; } - function tryGetContainingJsxElement(contextToken) { - if (contextToken) { - var parent_19 = contextToken.parent; - switch (contextToken.kind) { - case 27: - case 40: - case 70: - case 246: - case 247: - if (parent_19 && (parent_19.kind === 243 || parent_19.kind === 244)) { - return parent_19; - } - else if (parent_19.kind === 246) { - return parent_19.parent; - } + pushCommentRange(start, width); + } + function pushCommentRange(start, width) { + pushClassification(start, width, 1); + } + function classifyJSDocComment(docComment) { + var pos = docComment.pos; + if (docComment.tags) { + for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.pos !== pos) { + pushCommentRange(pos, tag.pos - pos); + } + pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10); + pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18); + pos = tag.tagName.end; + switch (tag.kind) { + case 275: + processJSDocParameterTag(tag); break; - case 9: - if (parent_19 && ((parent_19.kind === 246) || (parent_19.kind === 247))) { - return parent_19.parent; - } + case 278: + processJSDocTemplateTag(tag); break; - case 17: - if (parent_19 && - parent_19.kind === 248 && - parent_19.parent && - (parent_19.parent.kind === 246)) { - return parent_19.parent.parent; - } - if (parent_19 && parent_19.kind === 247) { - return parent_19.parent; - } + case 277: + processElement(tag.typeExpression); + break; + case 276: + processElement(tag.typeExpression); break; } + pos = tag.end; } - return undefined; } - function isFunction(kind) { - switch (kind) { - case 180: - case 181: - case 221: - case 148: - case 147: - case 150: - case 151: - case 152: - case 153: - case 154: - return true; - } - return false; + if (pos !== docComment.end) { + pushCommentRange(pos, docComment.end - pos); } - function isSolelyIdentifierDefinitionLocation(contextToken) { - var containingNodeKind = contextToken.parent.kind; - switch (contextToken.kind) { - case 25: - return containingNodeKind === 219 || - containingNodeKind === 220 || - containingNodeKind === 201 || - containingNodeKind === 225 || - isFunction(containingNodeKind) || - containingNodeKind === 222 || - containingNodeKind === 193 || - containingNodeKind === 223 || - containingNodeKind === 169 || - containingNodeKind === 224; - case 22: - return containingNodeKind === 169; - case 55: - return containingNodeKind === 170; - case 20: - return containingNodeKind === 169; - case 18: - return containingNodeKind === 252 || - isFunction(containingNodeKind); - case 16: - return containingNodeKind === 225 || - containingNodeKind === 223 || - containingNodeKind === 160; - case 24: - return containingNodeKind === 145 && - contextToken.parent && contextToken.parent.parent && - (contextToken.parent.parent.kind === 223 || - contextToken.parent.parent.kind === 160); - case 26: - return containingNodeKind === 222 || - containingNodeKind === 193 || - containingNodeKind === 223 || - containingNodeKind === 224 || - isFunction(containingNodeKind); - case 114: - return containingNodeKind === 146; - case 23: - return containingNodeKind === 143 || - (contextToken.parent && contextToken.parent.parent && - contextToken.parent.parent.kind === 169); - case 113: - case 111: - case 112: - return containingNodeKind === 143; - case 117: - return containingNodeKind === 235 || - containingNodeKind === 239 || - containingNodeKind === 233; - case 74: - case 82: - case 108: - case 88: - case 103: - case 124: - case 132: - case 90: - case 109: - case 75: - case 115: - case 135: - return true; + return; + function processJSDocParameterTag(tag) { + if (tag.preParameterName) { + pushCommentRange(pos, tag.preParameterName.pos - pos); + pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17); + pos = tag.preParameterName.end; } - switch (contextToken.getText()) { - case "abstract": - case "async": - case "class": - case "const": - case "declare": - case "enum": - case "function": - case "interface": - case "let": - case "private": - case "protected": - case "public": - case "static": - case "var": - case "yield": - return true; + if (tag.typeExpression) { + pushCommentRange(pos, tag.typeExpression.pos - pos); + processElement(tag.typeExpression); + pos = tag.typeExpression.end; + } + if (tag.postParameterName) { + pushCommentRange(pos, tag.postParameterName.pos - pos); + pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17); + pos = tag.postParameterName.end; } - return false; } - function isDotOfNumericLiteral(contextToken) { - if (contextToken.kind === 8) { - var text = contextToken.getFullText(); - return text.charAt(text.length - 1) === "."; + } + function processJSDocTemplateTag(tag) { + for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { + var child = _a[_i]; + processElement(child); + } + } + function classifyDisabledMergeCode(text, start, end) { + var i; + for (i = start; i < end; i++) { + if (ts.isLineBreak(text.charCodeAt(i))) { + break; } + } + pushClassification(start, i - start, 1); + mergeConflictScanner.setTextPos(i); + while (mergeConflictScanner.getTextPos() < end) { + classifyDisabledCodeToken(); + } + } + function classifyDisabledCodeToken() { + var start = mergeConflictScanner.getTextPos(); + var tokenKind = mergeConflictScanner.scan(); + var end = mergeConflictScanner.getTextPos(); + var type = classifyTokenType(tokenKind); + if (type) { + pushClassification(start, end - start, type); + } + } + function tryClassifyNode(node) { + if (ts.isJSDocTag(node)) { + return true; + } + if (ts.nodeIsMissing(node)) { + return true; + } + var classifiedElementName = tryClassifyJsxElementName(node); + if (!ts.isToken(node) && node.kind !== 10 && classifiedElementName === undefined) { return false; } - function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { - var existingImportsOrExports = ts.createMap(); - for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { - var element = namedImportsOrExports_1[_i]; - if (element.getStart() <= position && position <= element.getEnd()) { - continue; - } - var name_47 = element.propertyName || element.name; - existingImportsOrExports[name_47.text] = true; - } - if (!ts.someProperties(existingImportsOrExports)) { - return ts.filter(exportsOfModule, function (e) { return e.name !== "default"; }); + var tokenStart = node.kind === 10 ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); + var tokenWidth = node.end - tokenStart; + ts.Debug.assert(tokenWidth >= 0); + if (tokenWidth > 0) { + var type = classifiedElementName || classifyTokenType(node.kind, node); + if (type) { + pushClassification(tokenStart, tokenWidth, type); } - return ts.filter(exportsOfModule, function (e) { return e.name !== "default" && !existingImportsOrExports[e.name]; }); } - function filterObjectMembersList(contextualMemberSymbols, existingMembers) { - if (!existingMembers || existingMembers.length === 0) { - return contextualMemberSymbols; - } - var existingMemberNames = ts.createMap(); - for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { - var m = existingMembers_1[_i]; - if (m.kind !== 253 && - m.kind !== 254 && - m.kind !== 170 && - m.kind !== 148) { - continue; + return true; + } + function tryClassifyJsxElementName(token) { + switch (token.parent && token.parent.kind) { + case 244: + if (token.parent.tagName === token) { + return 19; } - if (m.getStart() <= position && position <= m.getEnd()) { - continue; + break; + case 245: + if (token.parent.tagName === token) { + return 20; } - var existingName = void 0; - if (m.kind === 170 && m.propertyName) { - if (m.propertyName.kind === 70) { - existingName = m.propertyName.text; - } + break; + case 243: + if (token.parent.tagName === token) { + return 21; } - else { - existingName = m.name.text; + break; + case 246: + if (token.parent.name === token) { + return 22; } - existingMemberNames[existingName] = true; + break; + } + return undefined; + } + function classifyTokenType(tokenKind, token) { + if (ts.isKeyword(tokenKind)) { + return 3; + } + if (tokenKind === 26 || tokenKind === 28) { + if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { + return 10; } - return ts.filter(contextualMemberSymbols, function (m) { return !existingMemberNames[m.name]; }); } - function filterJsxAttributes(symbols, attributes) { - var seenNames = ts.createMap(); - for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { - var attr = attributes_1[_i]; - if (attr.getStart() <= position && position <= attr.getEnd()) { - continue; + if (ts.isPunctuation(tokenKind)) { + if (token) { + if (tokenKind === 57) { + if (token.parent.kind === 219 || + token.parent.kind === 146 || + token.parent.kind === 143 || + token.parent.kind === 246) { + return 5; + } } - if (attr.kind === 246) { - seenNames[attr.name.text] = true; + if (token.parent.kind === 188 || + token.parent.kind === 186 || + token.parent.kind === 187 || + token.parent.kind === 189) { + return 5; } } - return ts.filter(symbols, function (a) { return !seenNames[a.name]; }); + return 10; + } + else if (tokenKind === 8) { + return 4; + } + else if (tokenKind === 9) { + return token.parent.kind === 246 ? 24 : 6; + } + else if (tokenKind === 11) { + return 6; + } + else if (ts.isTemplateLiteralKind(tokenKind)) { + return 6; + } + else if (tokenKind === 10) { + return 23; + } + else if (tokenKind === 70) { + if (token) { + switch (token.parent.kind) { + case 222: + if (token.parent.name === token) { + return 11; + } + return; + case 142: + if (token.parent.name === token) { + return 15; + } + return; + case 223: + if (token.parent.name === token) { + return 13; + } + return; + case 225: + if (token.parent.name === token) { + return 12; + } + return; + case 226: + if (token.parent.name === token) { + return 14; + } + return; + case 143: + if (token.parent.name === token) { + return ts.isThisIdentifier(token) ? 3 : 17; + } + return; + } + } + return 2; } } - function getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, target, performCharacterChecks, location) { - var displayName = ts.getDeclaredName(typeChecker, symbol, location); - if (displayName) { - var firstCharCode = displayName.charCodeAt(0); - if ((symbol.flags & 1920) && (firstCharCode === 39 || firstCharCode === 34)) { - return undefined; + function processElement(element) { + if (!element) { + return; + } + if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { + checkForClassificationCancellation(cancellationToken, element.kind); + var children = element.getChildren(sourceFile); + for (var i = 0, n = children.length; i < n; i++) { + var child = children[i]; + if (!tryClassifyNode(child)) { + processElement(child); + } } } - return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); } - function getCompletionEntryDisplayName(name, target, performCharacterChecks) { - if (!name) { - return undefined; + } + ts.getEncodedSyntacticClassifications = getEncodedSyntacticClassifications; +})(ts || (ts = {})); +var ts; +(function (ts) { + var Completions; + (function (Completions) { + function getCompletionsAtPosition(host, typeChecker, log, compilerOptions, sourceFile, position) { + if (ts.isInReferenceComment(sourceFile, position)) { + return getTripleSlashReferenceCompletion(sourceFile, position); } - name = ts.stripQuotes(name); - if (!name) { + if (ts.isInString(sourceFile, position)) { + return getStringLiteralCompletionEntries(sourceFile, position); + } + var completionData = getCompletionData(typeChecker, log, sourceFile, position); + if (!completionData) { return undefined; } - if (performCharacterChecks) { - if (!ts.isIdentifierText(name, target)) { - return undefined; - } + var symbols = completionData.symbols, isGlobalCompletion = completionData.isGlobalCompletion, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; + if (isJsDocTagName) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: ts.JsDoc.getAllJsDocCompletionEntries() }; } - return name; - } - var keywordCompletions = []; - for (var i = 71; i <= 139; i++) { - keywordCompletions.push({ - name: ts.tokenToString(i), - kind: ts.ScriptElementKind.keyword, - kindModifiers: ts.ScriptElementKindModifier.none, - sortText: "0" - }); - } - var tripleSlashDirectiveFragmentRegex = /^(\/\/\/\s* argumentInfo.argumentIndex) { + var parameter = candidate.parameters[argumentInfo.argumentIndex]; + addStringLiteralCompletionsFromType(typeChecker.getTypeAtLocation(parameter.valueDeclaration), entries); } } - function ownsBreakOrContinueStatement(owner, statement) { - var actualOwner = getBreakOrContinueOwner(statement); - return actualOwner && actualOwner === owner; + if (entries.length) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: true, entries: entries }; } - function getBreakOrContinueOwner(statement) { - for (var node_1 = statement.parent; node_1; node_1 = node_1.parent) { - switch (node_1.kind) { - case 214: - if (statement.kind === 210) { - continue; - } - case 207: - case 208: - case 209: - case 206: - case 205: - if (!statement.label || isLabeledBy(node_1, statement.label.text)) { - return node_1; - } - break; - default: - if (ts.isFunctionLike(node_1)) { - return undefined; - } - break; - } + return undefined; + } + function getStringLiteralCompletionEntriesFromElementAccess(node) { + var type = typeChecker.getTypeAtLocation(node.expression); + var entries = []; + if (type) { + getCompletionEntriesFromSymbols(type.getApparentProperties(), entries, node, false); + if (entries.length) { + return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: true, entries: entries }; } - return undefined; } - function getModifierOccurrences(modifier, declaration) { - var container = declaration.parent; - if (ts.isAccessibilityModifier(modifier)) { - if (!(container.kind === 222 || - container.kind === 193 || - (declaration.kind === 143 && hasKind(container, 149)))) { - return undefined; - } - } - else if (modifier === 114) { - if (!(container.kind === 222 || container.kind === 193)) { - return undefined; - } + return undefined; + } + function getStringLiteralCompletionEntriesFromContextualType(node) { + var type = typeChecker.getContextualType(node); + if (type) { + var entries_2 = []; + addStringLiteralCompletionsFromType(type, entries_2); + if (entries_2.length) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries_2 }; } - else if (modifier === 83 || modifier === 123) { - if (!(container.kind === 227 || container.kind === 256)) { - return undefined; - } + } + return undefined; + } + function addStringLiteralCompletionsFromType(type, result) { + if (!type) { + return; + } + if (type.flags & 65536) { + ts.forEach(type.types, function (t) { return addStringLiteralCompletionsFromType(t, result); }); + } + else { + if (type.flags & 32) { + result.push({ + name: type.text, + kindModifiers: ts.ScriptElementKindModifier.none, + kind: ts.ScriptElementKind.variableElement, + sortText: "0" + }); } - else if (modifier === 116) { - if (!(container.kind === 222 || declaration.kind === 222)) { - return undefined; - } + } + } + function getStringLiteralCompletionEntriesFromModuleNames(node) { + var literalValue = ts.normalizeSlashes(node.text); + var scriptPath = node.getSourceFile().path; + var scriptDirectory = ts.getDirectoryPath(scriptPath); + var span = getDirectoryFragmentTextSpan(node.text, node.getStart() + 1); + var entries; + if (isPathRelativeToScript(literalValue) || ts.isRootedDiskPath(literalValue)) { + if (compilerOptions.rootDirs) { + entries = getCompletionEntriesForDirectoryFragmentWithRootDirs(compilerOptions.rootDirs, literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); } else { - return undefined; + entries = getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); } - var keywords = []; - var modifierFlag = getFlagFromModifier(modifier); - var nodes; - switch (container.kind) { - case 227: - case 256: - if (modifierFlag & 128) { - nodes = declaration.members.concat(declaration); - } - else { - nodes = container.statements; - } - break; - case 149: - nodes = container.parameters.concat(container.parent.members); - break; - case 222: - case 193: - nodes = container.members; - if (modifierFlag & 28) { - var constructor = ts.forEach(container.members, function (member) { - return member.kind === 149 && member; - }); - if (constructor) { - nodes = nodes.concat(constructor.parameters); - } + } + else { + entries = getCompletionEntriesForNonRelativeModules(literalValue, scriptDirectory, span); + } + return { + isGlobalCompletion: false, + isMemberCompletion: false, + isNewIdentifierLocation: true, + entries: entries + }; + } + function getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase) { + rootDirs = ts.map(rootDirs, function (rootDirectory) { return ts.normalizePath(ts.isRootedDiskPath(rootDirectory) ? rootDirectory : ts.combinePaths(basePath, rootDirectory)); }); + var relativeDirectory; + for (var _i = 0, rootDirs_1 = rootDirs; _i < rootDirs_1.length; _i++) { + var rootDirectory = rootDirs_1[_i]; + if (ts.containsPath(rootDirectory, scriptPath, basePath, ignoreCase)) { + relativeDirectory = scriptPath.substr(rootDirectory.length); + break; + } + } + return ts.deduplicate(ts.map(rootDirs, function (rootDirectory) { return ts.combinePaths(rootDirectory, relativeDirectory); })); + } + function getCompletionEntriesForDirectoryFragmentWithRootDirs(rootDirs, fragment, scriptPath, extensions, includeExtensions, span, exclude) { + var basePath = compilerOptions.project || host.getCurrentDirectory(); + var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); + var baseDirectories = getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase); + var result = []; + for (var _i = 0, baseDirectories_1 = baseDirectories; _i < baseDirectories_1.length; _i++) { + var baseDirectory = baseDirectories_1[_i]; + getCompletionEntriesForDirectoryFragment(fragment, baseDirectory, extensions, includeExtensions, span, exclude, result); + } + return result; + } + function getCompletionEntriesForDirectoryFragment(fragment, scriptPath, extensions, includeExtensions, span, exclude, result) { + if (result === void 0) { result = []; } + if (fragment === undefined) { + fragment = ""; + } + fragment = ts.normalizeSlashes(fragment); + fragment = ts.getDirectoryPath(fragment); + if (fragment === "") { + fragment = "." + ts.directorySeparator; + } + fragment = ts.ensureTrailingDirectorySeparator(fragment); + var absolutePath = normalizeAndPreserveTrailingSlash(ts.isRootedDiskPath(fragment) ? fragment : ts.combinePaths(scriptPath, fragment)); + var baseDirectory = ts.getDirectoryPath(absolutePath); + var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); + if (tryDirectoryExists(host, baseDirectory)) { + var files = tryReadDirectory(host, baseDirectory, extensions, undefined, ["./*"]); + if (files) { + var foundFiles = ts.createMap(); + for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { + var filePath = files_3[_i]; + filePath = ts.normalizePath(filePath); + if (exclude && ts.comparePaths(filePath, exclude, scriptPath, ignoreCase) === 0) { + continue; } - else if (modifierFlag & 128) { - nodes = nodes.concat(container); + var foundFileName = includeExtensions ? ts.getBaseFileName(filePath) : ts.removeFileExtension(ts.getBaseFileName(filePath)); + if (!foundFiles[foundFileName]) { + foundFiles[foundFileName] = true; } - break; - default: - ts.Debug.fail("Invalid container kind."); + } + for (var foundFile in foundFiles) { + result.push(createCompletionEntryForModule(foundFile, ts.ScriptElementKind.scriptElement, span)); + } } - ts.forEach(nodes, function (node) { - if (ts.getModifierFlags(node) & modifierFlag) { - ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); + var directories = tryGetDirectories(host, baseDirectory); + if (directories) { + for (var _a = 0, directories_2 = directories; _a < directories_2.length; _a++) { + var directory = directories_2[_a]; + var directoryName = ts.getBaseFileName(ts.normalizePath(directory)); + result.push(createCompletionEntryForModule(directoryName, ts.ScriptElementKind.directory, span)); } - }); - return ts.map(keywords, getHighlightSpanForNode); - function getFlagFromModifier(modifier) { - switch (modifier) { - case 113: - return 4; - case 111: - return 8; - case 112: - return 16; - case 114: - return 32; - case 83: - return 1; - case 123: - return 2; - case 116: - return 128; - default: - ts.Debug.fail(); + } + } + return result; + } + function getCompletionEntriesForNonRelativeModules(fragment, scriptPath, span) { + var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths; + var result; + if (baseUrl) { + var fileExtensions = ts.getSupportedExtensions(compilerOptions); + var projectDir = compilerOptions.project || host.getCurrentDirectory(); + var absolute = ts.isRootedDiskPath(baseUrl) ? baseUrl : ts.combinePaths(projectDir, baseUrl); + result = getCompletionEntriesForDirectoryFragment(fragment, ts.normalizePath(absolute), fileExtensions, false, span); + if (paths) { + for (var path in paths) { + if (paths.hasOwnProperty(path)) { + if (path === "*") { + if (paths[path]) { + for (var _i = 0, _a = paths[path]; _i < _a.length; _i++) { + var pattern = _a[_i]; + for (var _b = 0, _c = getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions); _b < _c.length; _b++) { + var match = _c[_b]; + result.push(createCompletionEntryForModule(match, ts.ScriptElementKind.externalModuleName, span)); + } + } + } + } + else if (ts.startsWith(path, fragment)) { + var entry = paths[path] && paths[path].length === 1 && paths[path][0]; + if (entry) { + result.push(createCompletionEntryForModule(path, ts.ScriptElementKind.externalModuleName, span)); + } + } + } } } } - function pushKeywordIf(keywordList, token) { - var expected = []; - for (var _i = 2; _i < arguments.length; _i++) { - expected[_i - 2] = arguments[_i]; - } - if (token && ts.contains(expected, token.kind)) { - keywordList.push(token); - return true; - } - return false; - } - function getGetAndSetOccurrences(accessorDeclaration) { - var keywords = []; - tryPushAccessorKeyword(accessorDeclaration.symbol, 150); - tryPushAccessorKeyword(accessorDeclaration.symbol, 151); - return ts.map(keywords, getHighlightSpanForNode); - function tryPushAccessorKeyword(accessorSymbol, accessorKind) { - var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); - if (accessor) { - ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 124, 132); }); - } - } + else { + result = []; } - function getConstructorOccurrences(constructorDeclaration) { - var declarations = constructorDeclaration.symbol.getDeclarations(); - var keywords = []; - ts.forEach(declarations, function (declaration) { - ts.forEach(declaration.getChildren(), function (token) { - return pushKeywordIf(keywords, token, 122); - }); - }); - return ts.map(keywords, getHighlightSpanForNode); + getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span, result); + for (var _d = 0, _e = enumeratePotentialNonRelativeModules(fragment, scriptPath, compilerOptions); _d < _e.length; _d++) { + var moduleName = _e[_d]; + result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); } - function getLoopBreakContinueOccurrences(loopNode) { - var keywords = []; - if (pushKeywordIf(keywords, loopNode.getFirstToken(), 87, 105, 80)) { - if (loopNode.kind === 205) { - var loopTokens = loopNode.getChildren(); - for (var i = loopTokens.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, loopTokens[i], 105)) { - break; + return result; + } + function getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions) { + if (host.readDirectory) { + var parsed = ts.hasZeroOrOneAsteriskCharacter(pattern) ? ts.tryParsePattern(pattern) : undefined; + if (parsed) { + var normalizedPrefix = normalizeAndPreserveTrailingSlash(parsed.prefix); + var normalizedPrefixDirectory = ts.getDirectoryPath(normalizedPrefix); + var normalizedPrefixBase = ts.getBaseFileName(normalizedPrefix); + var fragmentHasPath = fragment.indexOf(ts.directorySeparator) !== -1; + var expandedPrefixDirectory = fragmentHasPath ? ts.combinePaths(normalizedPrefixDirectory, normalizedPrefixBase + ts.getDirectoryPath(fragment)) : normalizedPrefixDirectory; + var normalizedSuffix = ts.normalizePath(parsed.suffix); + var baseDirectory = ts.combinePaths(baseUrl, expandedPrefixDirectory); + var completePrefix = fragmentHasPath ? baseDirectory : ts.ensureTrailingDirectorySeparator(baseDirectory) + normalizedPrefixBase; + var includeGlob = normalizedSuffix ? "**/*" : "./*"; + var matches = tryReadDirectory(host, baseDirectory, fileExtensions, undefined, [includeGlob]); + if (matches) { + var result = []; + for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { + var match = matches_1[_i]; + var normalizedMatch = ts.normalizePath(match); + if (!ts.endsWith(normalizedMatch, normalizedSuffix) || !ts.startsWith(normalizedMatch, completePrefix)) { + continue; } + var start = completePrefix.length; + var length_5 = normalizedMatch.length - start - normalizedSuffix.length; + result.push(ts.removeFileExtension(normalizedMatch.substr(start, length_5))); } + return result; } } - var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(loopNode, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 71, 76); + } + return undefined; + } + function enumeratePotentialNonRelativeModules(fragment, scriptPath, options) { + var isNestedModule = fragment.indexOf(ts.directorySeparator) !== -1; + var moduleNameFragment = isNestedModule ? fragment.substr(0, fragment.lastIndexOf(ts.directorySeparator)) : undefined; + var ambientModules = ts.map(typeChecker.getAmbientModules(), function (sym) { return ts.stripQuotes(sym.name); }); + var nonRelativeModules = ts.filter(ambientModules, function (moduleName) { return ts.startsWith(moduleName, fragment); }); + if (isNestedModule) { + var moduleNameWithSeperator_1 = ts.ensureTrailingDirectorySeparator(moduleNameFragment); + nonRelativeModules = ts.map(nonRelativeModules, function (moduleName) { + if (ts.startsWith(fragment, moduleNameWithSeperator_1)) { + return moduleName.substr(moduleNameWithSeperator_1.length); } + return moduleName; }); - return ts.map(keywords, getHighlightSpanForNode); } - function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { - var owner = getBreakOrContinueOwner(breakOrContinueStatement); - if (owner) { - switch (owner.kind) { - case 207: - case 208: - case 209: - case 205: - case 206: - return getLoopBreakContinueOccurrences(owner); - case 214: - return getSwitchCaseDefaultOccurrences(owner); + if (!options.moduleResolution || options.moduleResolution === ts.ModuleResolutionKind.NodeJs) { + for (var _i = 0, _a = enumerateNodeModulesVisibleToScript(host, scriptPath); _i < _a.length; _i++) { + var visibleModule = _a[_i]; + if (!isNestedModule) { + nonRelativeModules.push(visibleModule.moduleName); + } + else if (ts.startsWith(visibleModule.moduleName, moduleNameFragment)) { + var nestedFiles = tryReadDirectory(host, visibleModule.moduleDir, ts.supportedTypeScriptExtensions, undefined, ["./*"]); + if (nestedFiles) { + for (var _b = 0, nestedFiles_1 = nestedFiles; _b < nestedFiles_1.length; _b++) { + var f = nestedFiles_1[_b]; + f = ts.normalizePath(f); + var nestedModule = ts.removeFileExtension(ts.getBaseFileName(f)); + nonRelativeModules.push(nestedModule); + } + } } } + } + return ts.deduplicate(nonRelativeModules); + } + function getTripleSlashReferenceCompletion(sourceFile, position) { + var token = ts.getTokenAtPosition(sourceFile, position); + if (!token) { return undefined; } - function getSwitchCaseDefaultOccurrences(switchStatement) { - var keywords = []; - pushKeywordIf(keywords, switchStatement.getFirstToken(), 97); - ts.forEach(switchStatement.caseBlock.clauses, function (clause) { - pushKeywordIf(keywords, clause.getFirstToken(), 72, 78); - var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(switchStatement, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 71); - } - }); - }); - return ts.map(keywords, getHighlightSpanForNode); + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + if (!commentRanges || !commentRanges.length) { + return undefined; } - function getTryCatchFinallyOccurrences(tryStatement) { - var keywords = []; - pushKeywordIf(keywords, tryStatement.getFirstToken(), 101); - if (tryStatement.catchClause) { - pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 73); + var range = ts.forEach(commentRanges, function (commentRange) { return position >= commentRange.pos && position <= commentRange.end && commentRange; }); + if (!range) { + return undefined; + } + var completionInfo = { + isGlobalCompletion: false, + isMemberCompletion: false, + isNewIdentifierLocation: true, + entries: [] + }; + var text = sourceFile.text.substr(range.pos, position - range.pos); + var match = tripleSlashDirectiveFragmentRegex.exec(text); + if (match) { + var prefix = match[1]; + var kind = match[2]; + var toComplete = match[3]; + var scriptPath = ts.getDirectoryPath(sourceFile.path); + if (kind === "path") { + var span_10 = getDirectoryFragmentTextSpan(toComplete, range.pos + prefix.length); + completionInfo.entries = getCompletionEntriesForDirectoryFragment(toComplete, scriptPath, ts.getSupportedExtensions(compilerOptions), true, span_10, sourceFile.path); } - if (tryStatement.finallyBlock) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); - pushKeywordIf(keywords, finallyKeyword, 86); + else { + var span_11 = { start: range.pos + prefix.length, length: match[0].length - prefix.length }; + completionInfo.entries = getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span_11); } - return ts.map(keywords, getHighlightSpanForNode); } - function getThrowOccurrences(throwStatement) { - var owner = getThrowStatementOwner(throwStatement); - if (!owner) { - return undefined; - } - var keywords = []; - ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); - }); - if (ts.isFunctionBlock(owner)) { - ts.forEachReturnStatement(owner, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); - }); + return completionInfo; + } + function getCompletionEntriesFromTypings(host, options, scriptPath, span, result) { + if (result === void 0) { result = []; } + if (options.types) { + for (var _i = 0, _a = options.types; _i < _a.length; _i++) { + var moduleName = _a[_i]; + result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); } - return ts.map(keywords, getHighlightSpanForNode); } - function getReturnOccurrences(returnStatement) { - var func = ts.getContainingFunction(returnStatement); - if (!(func && hasKind(func.body, 200))) { - return undefined; + else if (host.getDirectories) { + var typeRoots = void 0; + try { + typeRoots = ts.getEffectiveTypeRoots(options, host); + } + catch (e) { } + if (typeRoots) { + for (var _b = 0, typeRoots_2 = typeRoots; _b < typeRoots_2.length; _b++) { + var root = typeRoots_2[_b]; + getCompletionEntriesFromDirectories(host, root, span, result); + } } - var keywords = []; - ts.forEachReturnStatement(func.body, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); - }); - ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); - }); - return ts.map(keywords, getHighlightSpanForNode); } - function getIfElseOccurrences(ifStatement) { - var keywords = []; - while (hasKind(ifStatement.parent, 204) && ifStatement.parent.elseStatement === ifStatement) { - ifStatement = ifStatement.parent; + if (host.getDirectories) { + for (var _c = 0, _d = findPackageJsons(scriptPath); _c < _d.length; _c++) { + var packageJson = _d[_c]; + var typesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules/@types"); + getCompletionEntriesFromDirectories(host, typesDir, span, result); } - while (ifStatement) { - var children = ifStatement.getChildren(); - pushKeywordIf(keywords, children[0], 89); - for (var i = children.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, children[i], 81)) { - break; - } + } + return result; + } + function getCompletionEntriesFromDirectories(host, directory, span, result) { + if (host.getDirectories && tryDirectoryExists(host, directory)) { + var directories = tryGetDirectories(host, directory); + if (directories) { + for (var _i = 0, directories_3 = directories; _i < directories_3.length; _i++) { + var typeDirectory = directories_3[_i]; + typeDirectory = ts.normalizePath(typeDirectory); + result.push(createCompletionEntryForModule(ts.getBaseFileName(typeDirectory), ts.ScriptElementKind.externalModuleName, span)); } - if (!hasKind(ifStatement.elseStatement, 204)) { + } + } + } + function findPackageJsons(currentDir) { + var paths = []; + var currentConfigPath; + while (true) { + currentConfigPath = ts.findConfigFile(currentDir, function (f) { return tryFileExists(host, f); }, "package.json"); + if (currentConfigPath) { + paths.push(currentConfigPath); + currentDir = ts.getDirectoryPath(currentConfigPath); + var parent_16 = ts.getDirectoryPath(currentDir); + if (currentDir === parent_16) { break; } - ifStatement = ifStatement.elseStatement; + currentDir = parent_16; } - var result = []; - for (var i = 0; i < keywords.length; i++) { - if (keywords[i].kind === 81 && i < keywords.length - 1) { - var elseKeyword = keywords[i]; - var ifKeyword = keywords[i + 1]; - var shouldCombindElseAndIf = true; - for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { - if (!ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(j))) { - shouldCombindElseAndIf = false; - break; - } - } - if (shouldCombindElseAndIf) { - result.push({ - fileName: fileName, - textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), - kind: ts.HighlightSpanKind.reference - }); - i++; - continue; - } - } - result.push(getHighlightSpanForNode(keywords[i])); + else { + break; } - return result; } + return paths; } - } - DocumentHighlights.getDocumentHighlights = getDocumentHighlights; - function isLabeledBy(node, labelName) { - for (var owner = node.parent; owner.kind === 215; owner = owner.parent) { - if (owner.label.text === labelName) { - return true; + function enumerateNodeModulesVisibleToScript(host, scriptPath) { + var result = []; + if (host.readFile && host.fileExists) { + for (var _i = 0, _a = findPackageJsons(scriptPath); _i < _a.length; _i++) { + var packageJson = _a[_i]; + var contents = tryReadingPackageJson(packageJson); + if (!contents) { + return; + } + var nodeModulesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules"); + var foundModuleNames = []; + for (var _b = 0, nodeModulesDependencyKeys_1 = nodeModulesDependencyKeys; _b < nodeModulesDependencyKeys_1.length; _b++) { + var key = nodeModulesDependencyKeys_1[_b]; + addPotentialPackageNames(contents[key], foundModuleNames); + } + for (var _c = 0, foundModuleNames_1 = foundModuleNames; _c < foundModuleNames_1.length; _c++) { + var moduleName = foundModuleNames_1[_c]; + var moduleDir = ts.combinePaths(nodeModulesDir, moduleName); + result.push({ + moduleName: moduleName, + moduleDir: moduleDir + }); + } + } + } + return result; + function tryReadingPackageJson(filePath) { + try { + var fileText = tryReadFile(host, filePath); + return fileText ? JSON.parse(fileText) : undefined; + } + catch (e) { + return undefined; + } + } + function addPotentialPackageNames(dependencies, result) { + if (dependencies) { + for (var dep in dependencies) { + if (dependencies.hasOwnProperty(dep) && !ts.startsWith(dep, "@types/")) { + result.push(dep); + } + } + } } } - return false; - } - })(DocumentHighlights = ts.DocumentHighlights || (ts.DocumentHighlights = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { - if (currentDirectory === void 0) { currentDirectory = ""; } - var buckets = ts.createMap(); - var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); - function getKeyForCompilationSettings(settings) { - return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + "|" + settings.allowJs + "|" + settings.baseUrl + "|" + JSON.stringify(settings.typeRoots) + "|" + JSON.stringify(settings.rootDirs) + "|" + JSON.stringify(settings.paths); - } - function getBucketForCompilationSettings(key, createIfMissing) { - var bucket = buckets[key]; - if (!bucket && createIfMissing) { - buckets[key] = bucket = ts.createFileMap(); + function createCompletionEntryForModule(name, kind, replacementSpan) { + return { name: name, kind: kind, kindModifiers: ts.ScriptElementKindModifier.none, sortText: name, replacementSpan: replacementSpan }; } - return bucket; - } - function reportStats() { - var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { - var entries = buckets[name]; - var sourceFiles = []; - entries.forEachValue(function (key, entry) { - sourceFiles.push({ - name: key, - refCount: entry.languageServiceRefCount, - references: entry.owners.slice(0) - }); - }); - sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); - return { - bucket: name, - sourceFiles: sourceFiles - }; - }); - return JSON.stringify(bucketInfoArray, undefined, 2); - } - function acquireDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var key = getKeyForCompilationSettings(compilationSettings); - return acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); - } - function acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { - return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, true, scriptKind); - } - function updateDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var key = getKeyForCompilationSettings(compilationSettings); - return updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); - } - function updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { - return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, false, scriptKind); - } - function acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, acquiring, scriptKind) { - var bucket = getBucketForCompilationSettings(key, true); - var entry = bucket.get(path); - if (!entry) { - ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); - var sourceFile = ts.createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, false, scriptKind); - entry = { - sourceFile: sourceFile, - languageServiceRefCount: 0, - owners: [] - }; - bucket.set(path, entry); + function getDirectoryFragmentTextSpan(text, textStart) { + var index = text.lastIndexOf(ts.directorySeparator); + var offset = index !== -1 ? index + 1 : 0; + return { start: textStart + offset, length: text.length - offset }; } - else { - if (entry.sourceFile.version !== version) { - entry.sourceFile = ts.updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); + function isPathRelativeToScript(path) { + if (path && path.length >= 2 && path.charCodeAt(0) === 46) { + var slashIndex = path.length >= 3 && path.charCodeAt(1) === 46 ? 2 : 1; + var slashCharCode = path.charCodeAt(slashIndex); + return slashCharCode === 47 || slashCharCode === 92; } + return false; } - if (acquiring) { - entry.languageServiceRefCount++; + function normalizeAndPreserveTrailingSlash(path) { + return ts.hasTrailingDirectorySeparator(path) ? ts.ensureTrailingDirectorySeparator(ts.normalizePath(path)) : ts.normalizePath(path); } - return entry.sourceFile; - } - function releaseDocument(fileName, compilationSettings) { - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var key = getKeyForCompilationSettings(compilationSettings); - return releaseDocumentWithKey(path, key); } - function releaseDocumentWithKey(path, key) { - var bucket = getBucketForCompilationSettings(key, false); - ts.Debug.assert(bucket !== undefined); - var entry = bucket.get(path); - entry.languageServiceRefCount--; - ts.Debug.assert(entry.languageServiceRefCount >= 0); - if (entry.languageServiceRefCount === 0) { - bucket.remove(path); + Completions.getCompletionsAtPosition = getCompletionsAtPosition; + function getCompletionEntryDetails(typeChecker, log, compilerOptions, sourceFile, position, entryName) { + var completionData = getCompletionData(typeChecker, log, sourceFile, position); + if (completionData) { + var symbols = completionData.symbols, location_2 = completionData.location; + var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_2) === entryName ? s : undefined; }); + if (symbol) { + var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, location_2, location_2, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; + return { + name: entryName, + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), + kind: symbolKind, + displayParts: displayParts, + documentation: documentation + }; + } } - } - return { - acquireDocument: acquireDocument, - acquireDocumentWithKey: acquireDocumentWithKey, - updateDocument: updateDocument, - updateDocumentWithKey: updateDocumentWithKey, - releaseDocument: releaseDocument, - releaseDocumentWithKey: releaseDocumentWithKey, - reportStats: reportStats, - getKeyForCompilationSettings: getKeyForCompilationSettings - }; - } - ts.createDocumentRegistry = createDocumentRegistry; -})(ts || (ts = {})); -var ts; -(function (ts) { - var FindAllReferences; - (function (FindAllReferences) { - function findReferencedSymbols(typeChecker, cancellationToken, sourceFiles, sourceFile, position, findInStrings, findInComments) { - var node = ts.getTouchingPropertyName(sourceFile, position, true); - if (node === sourceFile) { - return undefined; + var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); + if (keywordCompletion) { + return { + name: entryName, + kind: ts.ScriptElementKind.keyword, + kindModifiers: ts.ScriptElementKindModifier.none, + displayParts: [ts.displayPart(entryName, ts.SymbolDisplayPartKind.keyword)], + documentation: undefined + }; } - switch (node.kind) { - case 8: - if (!ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { - break; - } - case 70: - case 98: - case 122: - case 9: - return getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, false); + return undefined; + } + Completions.getCompletionEntryDetails = getCompletionEntryDetails; + function getCompletionEntrySymbol(typeChecker, log, compilerOptions, sourceFile, position, entryName) { + var completionData = getCompletionData(typeChecker, log, sourceFile, position); + if (completionData) { + var symbols = completionData.symbols, location_3 = completionData.location; + return ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_3) === entryName ? s : undefined; }); } return undefined; } - FindAllReferences.findReferencedSymbols = findReferencedSymbols; - function getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, implementations) { - if (!implementations) { - if (ts.isLabelName(node)) { - if (ts.isJumpStatementTarget(node)) { - var labelDefinition = ts.getTargetLabel(node.parent, node.text); - return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; + Completions.getCompletionEntrySymbol = getCompletionEntrySymbol; + function getCompletionData(typeChecker, log, sourceFile, position) { + var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); + var isJsDocTagName = false; + var start = ts.timestamp(); + var currentToken = ts.getTokenAtPosition(sourceFile, position); + log("getCompletionData: Get current token: " + (ts.timestamp() - start)); + start = ts.timestamp(); + var insideComment = ts.isInsideComment(sourceFile, currentToken, position); + log("getCompletionData: Is inside comment: " + (ts.timestamp() - start)); + if (insideComment) { + if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64) { + isJsDocTagName = true; + } + var insideJsDocTagExpression = false; + var tag = ts.getJsDocTagAtPosition(sourceFile, position); + if (tag) { + if (tag.tagName.pos <= position && position <= tag.tagName.end) { + isJsDocTagName = true; } - else { - return getLabelReferencesInNode(node.parent, node); + switch (tag.kind) { + case 277: + case 275: + case 276: + var tagWithExpression = tag; + if (tagWithExpression.typeExpression) { + insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; + } + break; } } - if (ts.isThis(node)) { - return getReferencesForThisKeyword(node, sourceFiles); + if (isJsDocTagName) { + return { symbols: undefined, isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; } - if (node.kind === 96) { - return getReferencesForSuperKeyword(node); + if (!insideJsDocTagExpression) { + log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); + return undefined; } } - var symbol = typeChecker.getSymbolAtLocation(node); - if (!implementations && !symbol && node.kind === 9) { - return getReferencesForStringLiteral(node, sourceFiles); + start = ts.timestamp(); + var previousToken = ts.findPrecedingToken(position, sourceFile); + log("getCompletionData: Get previous token 1: " + (ts.timestamp() - start)); + var contextToken = previousToken; + if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { + var start_2 = ts.timestamp(); + contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); + log("getCompletionData: Get previous token 2: " + (ts.timestamp() - start_2)); } - if (!symbol) { - return undefined; + var node = currentToken; + var isRightOfDot = false; + var isRightOfOpenTag = false; + var isStartingCloseTag = false; + var location = ts.getTouchingPropertyName(sourceFile, position); + if (contextToken) { + if (isCompletionListBlocker(contextToken)) { + log("Returning an empty list because completion was requested in an invalid position."); + return undefined; + } + var parent_17 = contextToken.parent, kind = contextToken.kind; + if (kind === 22) { + if (parent_17.kind === 173) { + node = contextToken.parent.expression; + isRightOfDot = true; + } + else if (parent_17.kind === 140) { + node = contextToken.parent.left; + isRightOfDot = true; + } + else { + return undefined; + } + } + else if (sourceFile.languageVariant === 1) { + if (kind === 26) { + isRightOfOpenTag = true; + location = contextToken; + } + else if (kind === 40 && contextToken.parent.kind === 245) { + isStartingCloseTag = true; + location = contextToken; + } + } } - var declarations = symbol.declarations; - if (!declarations || !declarations.length) { - return undefined; + var semanticStart = ts.timestamp(); + var isGlobalCompletion = false; + var isMemberCompletion; + var isNewIdentifierLocation; + var symbols = []; + if (isRightOfDot) { + getTypeScriptMemberSymbols(); } - var result; - var searchMeaning = getIntersectingMeaningFromDeclarations(ts.getMeaningFromLocation(node), declarations); - var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var scope = getSymbolScope(symbol); - var symbolToIndex = []; - if (scope) { - result = []; - getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + else if (isRightOfOpenTag) { + var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); + if (tryGetGlobalSymbols()) { + symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & (107455 | 8388608)); })); + } + else { + symbols = tagSymbols; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; } - else { - var internedName = getInternedName(symbol, node); - for (var _i = 0, sourceFiles_8 = sourceFiles; _i < sourceFiles_8.length; _i++) { - var sourceFile = sourceFiles_8[_i]; - cancellationToken.throwIfCancellationRequested(); - var nameTable = ts.getNameTable(sourceFile); - if (nameTable[internedName] !== undefined) { - result = result || []; - getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } + else if (isStartingCloseTag) { + var tagName = contextToken.parent.parent.openingElement.tagName; + var tagSymbol = typeChecker.getSymbolAtLocation(tagName); + if (!typeChecker.isUnknownSymbol(tagSymbol)) { + symbols = [tagSymbol]; } + isMemberCompletion = true; + isNewIdentifierLocation = false; } - return result; - function getDefinition(symbol) { - var info = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, node.getSourceFile(), ts.getContainerNode(node), node); - var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); - var declarations = symbol.declarations; - if (!declarations || declarations.length === 0) { + else { + if (!tryGetGlobalSymbols()) { return undefined; } - return { - containerKind: "", - containerName: "", - name: name, - kind: info.symbolKind, - fileName: declarations[0].getSourceFile().fileName, - textSpan: ts.createTextSpan(declarations[0].getStart(), 0), - displayParts: info.displayParts - }; } - function getAliasSymbolForPropertyNameSymbol(symbol, location) { - if (symbol.flags & 8388608) { - var defaultImport = ts.getDeclarationOfKind(symbol, 232); - if (defaultImport) { - return typeChecker.getAliasedSymbol(symbol); + log("getCompletionData: Semantic work: " + (ts.timestamp() - semanticStart)); + return { symbols: symbols, isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; + function getTypeScriptMemberSymbols() { + isGlobalCompletion = false; + isMemberCompletion = true; + isNewIdentifierLocation = false; + if (node.kind === 70 || node.kind === 140 || node.kind === 173) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol && symbol.flags & 8388608) { + symbol = typeChecker.getAliasedSymbol(symbol); } - var importOrExportSpecifier = ts.forEach(symbol.declarations, function (declaration) { return (declaration.kind === 235 || - declaration.kind === 239) ? declaration : undefined; }); - if (importOrExportSpecifier && - (!importOrExportSpecifier.propertyName || - importOrExportSpecifier.propertyName === location)) { - return importOrExportSpecifier.kind === 235 ? - typeChecker.getAliasedSymbol(symbol) : - typeChecker.getExportSpecifierLocalTargetSymbol(importOrExportSpecifier); + if (symbol && symbol.flags & 1952) { + var exportedSymbols = typeChecker.getExportsOfModule(symbol); + ts.forEach(exportedSymbols, function (symbol) { + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + }); } } - return undefined; - } - function followAliasIfNecessary(symbol, location) { - return getAliasSymbolForPropertyNameSymbol(symbol, location) || symbol; - } - function getPropertySymbolOfDestructuringAssignment(location) { - return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(location.parent.parent) && - typeChecker.getPropertySymbolOfDestructuringAssignment(location); + var type = typeChecker.getTypeAtLocation(node); + addTypeProperties(type); } - function isObjectBindingPatternElementWithoutPropertyName(symbol) { - var bindingElement = ts.getDeclarationOfKind(symbol, 170); - return bindingElement && - bindingElement.parent.kind === 168 && - !bindingElement.propertyName; + function addTypeProperties(type) { + if (type) { + for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { + var symbol = _a[_i]; + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + } + if (isJavaScriptFile && type.flags & 65536) { + var unionType = type; + for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { + var elementType = _c[_b]; + addTypeProperties(elementType); + } + } + } } - function getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol) { - if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { - var bindingElement = ts.getDeclarationOfKind(symbol, 170); - var typeOfPattern = typeChecker.getTypeAtLocation(bindingElement.parent); - return typeOfPattern && typeChecker.getPropertyOfType(typeOfPattern, bindingElement.name.text); + function tryGetGlobalSymbols() { + var objectLikeContainer; + var namedImportsOrExports; + var jsxContainer; + if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { + return tryGetObjectLikeCompletionSymbols(objectLikeContainer); } - return undefined; + if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { + return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); + } + if (jsxContainer = tryGetContainingJsxElement(contextToken)) { + var attrsType = void 0; + if ((jsxContainer.kind === 243) || (jsxContainer.kind === 244)) { + attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); + if (attrsType) { + symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); + isMemberCompletion = true; + isNewIdentifierLocation = false; + return true; + } + } + } + isMemberCompletion = false; + isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); + if (previousToken !== contextToken) { + ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + var adjustedPosition = previousToken !== contextToken ? + previousToken.getStart() : + position; + var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; + if (scopeNode) { + isGlobalCompletion = + scopeNode.kind === 256 || + scopeNode.kind === 190 || + scopeNode.kind === 248 || + ts.isStatement(scopeNode); + } + var symbolMeanings = 793064 | 107455 | 1920 | 8388608; + symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); + return true; } - function getInternedName(symbol, location) { - if (ts.isImportOrExportSpecifierName(location)) { - return location.getText(); + function getScopeNode(initialToken, position, sourceFile) { + var scope = initialToken; + while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { + scope = scope.parent; } - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - symbol = localExportDefaultSymbol || symbol; - return ts.stripQuotes(symbol.name); + return scope; } - function getSymbolScope(symbol) { - var valueDeclaration = symbol.valueDeclaration; - if (valueDeclaration && (valueDeclaration.kind === 180 || valueDeclaration.kind === 193)) { - return valueDeclaration; + function isCompletionListBlocker(contextToken) { + var start = ts.timestamp(); + var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || + isSolelyIdentifierDefinitionLocation(contextToken) || + isDotOfNumericLiteral(contextToken) || + isInJsxText(contextToken); + log("getCompletionsAtPosition: isCompletionListBlocker: " + (ts.timestamp() - start)); + return result; + } + function isInJsxText(contextToken) { + if (contextToken.kind === 10) { + return true; } - if (symbol.flags & (4 | 8192)) { - var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (ts.getModifierFlags(d) & 8) ? d : undefined; }); - if (privateDeclaration) { - return ts.getAncestor(privateDeclaration, 222); + if (contextToken.kind === 28 && contextToken.parent) { + if (contextToken.parent.kind === 244) { + return true; + } + if (contextToken.parent.kind === 245 || contextToken.parent.kind === 243) { + return contextToken.parent.parent && contextToken.parent.parent.kind === 242; } } - if (symbol.flags & 8388608) { - return undefined; + return false; + } + function isNewIdentifierDefinitionLocation(previousToken) { + if (previousToken) { + var containingNodeKind = previousToken.parent.kind; + switch (previousToken.kind) { + case 25: + return containingNodeKind === 175 + || containingNodeKind === 149 + || containingNodeKind === 176 + || containingNodeKind === 171 + || containingNodeKind === 188 + || containingNodeKind === 157; + case 18: + return containingNodeKind === 175 + || containingNodeKind === 149 + || containingNodeKind === 176 + || containingNodeKind === 179 + || containingNodeKind === 165; + case 20: + return containingNodeKind === 171 + || containingNodeKind === 154 + || containingNodeKind === 141; + case 126: + case 127: + return true; + case 22: + return containingNodeKind === 226; + case 16: + return containingNodeKind === 222; + case 57: + return containingNodeKind === 219 + || containingNodeKind === 188; + case 13: + return containingNodeKind === 190; + case 14: + return containingNodeKind === 198; + case 113: + case 111: + case 112: + return containingNodeKind === 146; + } + switch (previousToken.getText()) { + case "public": + case "protected": + case "private": + return true; + } } - if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { - return undefined; + return false; + } + function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { + if (contextToken.kind === 9 + || contextToken.kind === 11 + || ts.isTemplateLiteralKind(contextToken.kind)) { + var start_3 = contextToken.getStart(); + var end = contextToken.getEnd(); + if (start_3 < position && position < end) { + return true; + } + if (position === end) { + return !!contextToken.isUnterminated + || contextToken.kind === 11; + } } - if (symbol.parent || (symbol.flags & 268435456)) { - return undefined; + return false; + } + function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { + isMemberCompletion = true; + var typeForObject; + var existingMembers; + if (objectLikeContainer.kind === 172) { + isNewIdentifierLocation = true; + typeForObject = typeChecker.getContextualType(objectLikeContainer); + typeForObject = typeForObject && typeForObject.getNonNullableType(); + existingMembers = objectLikeContainer.properties; } - var scope; - var declarations = symbol.getDeclarations(); - if (declarations) { - for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) { - var declaration = declarations_7[_i]; - var container = ts.getContainerNode(declaration); - if (!container) { - return undefined; - } - if (scope && scope !== container) { - return undefined; + else if (objectLikeContainer.kind === 168) { + isNewIdentifierLocation = false; + var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); + if (ts.isVariableLike(rootDeclaration)) { + var canGetType = !!(rootDeclaration.initializer || rootDeclaration.type); + if (!canGetType && rootDeclaration.kind === 143) { + if (ts.isExpression(rootDeclaration.parent)) { + canGetType = !!typeChecker.getContextualType(rootDeclaration.parent); + } + else if (rootDeclaration.parent.kind === 148 || rootDeclaration.parent.kind === 151) { + canGetType = ts.isExpression(rootDeclaration.parent.parent) && !!typeChecker.getContextualType(rootDeclaration.parent.parent); + } } - if (container.kind === 256 && !ts.isExternalModule(container)) { - return undefined; + if (canGetType) { + typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); + existingMembers = objectLikeContainer.elements; } - scope = container; + } + else { + ts.Debug.fail("Root declaration is not variable-like."); } } - return scope; + else { + ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); + } + if (!typeForObject) { + return false; + } + var typeMembers = typeChecker.getPropertiesOfType(typeForObject); + if (typeMembers && typeMembers.length > 0) { + symbols = filterObjectMembersList(typeMembers, existingMembers); + } + return true; } - function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { - var positions = []; - if (!symbolName || !symbolName.length) { - return positions; + function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { + var declarationKind = namedImportsOrExports.kind === 234 ? + 231 : + 237; + var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); + var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; + if (!moduleSpecifier) { + return false; } - var text = sourceFile.text; - var sourceLength = text.length; - var symbolNameLength = symbolName.length; - var position = text.indexOf(symbolName, start); - while (position >= 0) { - cancellationToken.throwIfCancellationRequested(); - if (position > end) - break; - var endPosition = position + symbolNameLength; - if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 4)) && - (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 4))) { - positions.push(position); - } - position = text.indexOf(symbolName, position + symbolNameLength + 1); + isMemberCompletion = true; + isNewIdentifierLocation = false; + var exports; + var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); + if (moduleSpecifierSymbol) { + exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); } - return positions; + symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : ts.emptyArray; + return true; } - function getLabelReferencesInNode(container, targetLabel) { - var references = []; - var sourceFile = container.getSourceFile(); - var labelName = targetLabel.text; - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.getWidth() !== labelName.length) { - return; - } - if (node === targetLabel || - (ts.isJumpStatementTarget(node) && ts.getTargetLabel(node, labelName) === targetLabel)) { - references.push(getReferenceEntryFromNode(node)); + function tryGetObjectLikeCompletionContainer(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 16: + case 25: + var parent_18 = contextToken.parent; + if (parent_18 && (parent_18.kind === 172 || parent_18.kind === 168)) { + return parent_18; + } + break; } - }); - var definition = { - containerKind: "", - containerName: "", - fileName: targetLabel.getSourceFile().fileName, - kind: ts.ScriptElementKind.label, - name: labelName, - textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()), - displayParts: [ts.displayPart(labelName, ts.SymbolDisplayPartKind.text)] - }; - return [{ definition: definition, references: references }]; + } + return undefined; } - function isValidReferencePosition(node, searchSymbolName) { - if (node) { - switch (node.kind) { + function tryGetNamedImportsOrExportsForCompletion(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 16: + case 25: + switch (contextToken.parent.kind) { + case 234: + case 238: + return contextToken.parent; + } + } + } + return undefined; + } + function tryGetContainingJsxElement(contextToken) { + if (contextToken) { + var parent_19 = contextToken.parent; + switch (contextToken.kind) { + case 27: + case 40: case 70: - return node.getWidth() === searchSymbolName.length; + case 246: + case 247: + if (parent_19 && (parent_19.kind === 243 || parent_19.kind === 244)) { + return parent_19; + } + else if (parent_19.kind === 246) { + return parent_19.parent; + } + break; case 9: - if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - return node.getWidth() === searchSymbolName.length + 2; + if (parent_19 && ((parent_19.kind === 246) || (parent_19.kind === 247))) { + return parent_19.parent; } break; - case 8: - if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { - return node.getWidth() === searchSymbolName.length; + case 17: + if (parent_19 && + parent_19.kind === 248 && + parent_19.parent && + (parent_19.parent.kind === 246)) { + return parent_19.parent.parent; + } + if (parent_19 && parent_19.kind === 247) { + return parent_19.parent; } break; } } + return undefined; + } + function isFunction(kind) { + switch (kind) { + case 180: + case 181: + case 221: + case 148: + case 147: + case 150: + case 151: + case 152: + case 153: + case 154: + return true; + } return false; } - function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { - var sourceFile = container.getSourceFile(); - var start = findInComments ? container.getFullStart() : container.getStart(); - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, searchText, start, container.getEnd()); - var parents = getParentSymbolsOfPropertyAccess(); - var inheritsFromCache = ts.createMap(); - if (possiblePositions.length) { - var searchSymbols_1 = populateSearchSymbolSet(searchSymbol, searchLocation); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var referenceLocation = ts.getTouchingPropertyName(sourceFile, position); - if (!isValidReferencePosition(referenceLocation, searchText)) { - if (!implementations && ((findInStrings && ts.isInString(sourceFile, position)) || - (findInComments && ts.isInNonReferenceComment(sourceFile, position)))) { - result.push({ - definition: undefined, - references: [{ - fileName: sourceFile.fileName, - textSpan: ts.createTextSpan(position, searchText.length), - isWriteAccess: false, - isDefinition: false - }] - }); - } - return; - } - if (!(ts.getMeaningFromLocation(referenceLocation) & searchMeaning)) { - return; - } - var referenceSymbol = typeChecker.getSymbolAtLocation(referenceLocation); - if (referenceSymbol) { - var referenceSymbolDeclaration = referenceSymbol.valueDeclaration; - var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(referenceSymbolDeclaration); - var relatedSymbol = getRelatedSymbol(searchSymbols_1, referenceSymbol, referenceLocation, searchLocation.kind === 122, parents, inheritsFromCache); - if (relatedSymbol) { - addReferenceToRelatedSymbol(referenceLocation, relatedSymbol); - } - else if (!(referenceSymbol.flags & 67108864) && searchSymbols_1.indexOf(shorthandValueSymbol) >= 0) { - addReferenceToRelatedSymbol(referenceSymbolDeclaration.name, shorthandValueSymbol); - } - else if (searchLocation.kind === 122) { - findAdditionalConstructorReferences(referenceSymbol, referenceLocation); - } - } - }); + function isSolelyIdentifierDefinitionLocation(contextToken) { + var containingNodeKind = contextToken.parent.kind; + switch (contextToken.kind) { + case 25: + return containingNodeKind === 219 || + containingNodeKind === 220 || + containingNodeKind === 201 || + containingNodeKind === 225 || + isFunction(containingNodeKind) || + containingNodeKind === 222 || + containingNodeKind === 193 || + containingNodeKind === 223 || + containingNodeKind === 169 || + containingNodeKind === 224; + case 22: + return containingNodeKind === 169; + case 55: + return containingNodeKind === 170; + case 20: + return containingNodeKind === 169; + case 18: + return containingNodeKind === 252 || + isFunction(containingNodeKind); + case 16: + return containingNodeKind === 225 || + containingNodeKind === 223 || + containingNodeKind === 160; + case 24: + return containingNodeKind === 145 && + contextToken.parent && contextToken.parent.parent && + (contextToken.parent.parent.kind === 223 || + contextToken.parent.parent.kind === 160); + case 26: + return containingNodeKind === 222 || + containingNodeKind === 193 || + containingNodeKind === 223 || + containingNodeKind === 224 || + isFunction(containingNodeKind); + case 114: + return containingNodeKind === 146; + case 23: + return containingNodeKind === 143 || + (contextToken.parent && contextToken.parent.parent && + contextToken.parent.parent.kind === 169); + case 113: + case 111: + case 112: + return containingNodeKind === 143; + case 117: + return containingNodeKind === 235 || + containingNodeKind === 239 || + containingNodeKind === 233; + case 74: + case 82: + case 108: + case 88: + case 103: + case 124: + case 132: + case 90: + case 109: + case 75: + case 115: + case 135: + return true; } - return; - function getParentSymbolsOfPropertyAccess() { - if (implementations) { - var propertyAccessExpression = getPropertyAccessExpressionFromRightHandSide(searchLocation); - if (propertyAccessExpression) { - var localParentType = typeChecker.getTypeAtLocation(propertyAccessExpression.expression); - if (localParentType) { - if (localParentType.symbol && localParentType.symbol.flags & (32 | 64) && localParentType.symbol !== searchSymbol.parent) { - return [localParentType.symbol]; - } - else if (localParentType.flags & 1572864) { - return getSymbolsForClassAndInterfaceComponents(localParentType); - } - } - } + switch (contextToken.getText()) { + case "abstract": + case "async": + case "class": + case "const": + case "declare": + case "enum": + case "function": + case "interface": + case "let": + case "private": + case "protected": + case "public": + case "static": + case "var": + case "yield": + return true; + } + return false; + } + function isDotOfNumericLiteral(contextToken) { + if (contextToken.kind === 8) { + var text = contextToken.getFullText(); + return text.charAt(text.length - 1) === "."; + } + return false; + } + function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { + var existingImportsOrExports = ts.createMap(); + for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { + var element = namedImportsOrExports_1[_i]; + if (element.getStart() <= position && position <= element.getEnd()) { + continue; } + var name_48 = element.propertyName || element.name; + existingImportsOrExports[name_48.text] = true; } - function getPropertyAccessExpressionFromRightHandSide(node) { - return ts.isRightSideOfPropertyAccess(node) && node.parent; + if (!ts.someProperties(existingImportsOrExports)) { + return ts.filter(exportsOfModule, function (e) { return e.name !== "default"; }); } - function findAdditionalConstructorReferences(referenceSymbol, referenceLocation) { - ts.Debug.assert(ts.isClassLike(searchSymbol.valueDeclaration)); - var referenceClass = referenceLocation.parent; - if (referenceSymbol === searchSymbol && ts.isClassLike(referenceClass)) { - ts.Debug.assert(referenceClass.name === referenceLocation); - addReferences(findOwnConstructorCalls(searchSymbol)); + return ts.filter(exportsOfModule, function (e) { return e.name !== "default" && !existingImportsOrExports[e.name]; }); + } + function filterObjectMembersList(contextualMemberSymbols, existingMembers) { + if (!existingMembers || existingMembers.length === 0) { + return contextualMemberSymbols; + } + var existingMemberNames = ts.createMap(); + for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { + var m = existingMembers_1[_i]; + if (m.kind !== 253 && + m.kind !== 254 && + m.kind !== 170 && + m.kind !== 148) { + continue; } - else { - var classExtending = tryGetClassByExtendingIdentifier(referenceLocation); - if (classExtending && ts.isClassLike(classExtending) && followAliasIfNecessary(referenceSymbol, referenceLocation) === searchSymbol) { - addReferences(superConstructorAccesses(classExtending)); + if (m.getStart() <= position && position <= m.getEnd()) { + continue; + } + var existingName = void 0; + if (m.kind === 170 && m.propertyName) { + if (m.propertyName.kind === 70) { + existingName = m.propertyName.text; } } - } - function addReferences(references) { - if (references.length) { - var referencedSymbol = getReferencedSymbol(searchSymbol); - ts.addRange(referencedSymbol.references, ts.map(references, getReferenceEntryFromNode)); + else { + existingName = m.name.text; } + existingMemberNames[existingName] = true; } - function findOwnConstructorCalls(classSymbol) { - var result = []; - for (var _i = 0, _a = classSymbol.members["__constructor"].declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - ts.Debug.assert(decl.kind === 149); - var ctrKeyword = decl.getChildAt(0); - ts.Debug.assert(ctrKeyword.kind === 122); - result.push(ctrKeyword); + return ts.filter(contextualMemberSymbols, function (m) { return !existingMemberNames[m.name]; }); + } + function filterJsxAttributes(symbols, attributes) { + var seenNames = ts.createMap(); + for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { + var attr = attributes_1[_i]; + if (attr.getStart() <= position && position <= attr.getEnd()) { + continue; + } + if (attr.kind === 246) { + seenNames[attr.name.text] = true; } - ts.forEachProperty(classSymbol.exports, function (member) { - var decl = member.valueDeclaration; - if (decl && decl.kind === 148) { - var body = decl.body; - if (body) { - forEachDescendantOfKind(body, 98, function (thisKeyword) { - if (ts.isNewExpressionTarget(thisKeyword)) { - result.push(thisKeyword); - } - }); - } - } - }); - return result; } - function superConstructorAccesses(cls) { - var symbol = cls.symbol; - var ctr = symbol.members["__constructor"]; - if (!ctr) { - return []; + return ts.filter(symbols, function (a) { return !seenNames[a.name]; }); + } + } + function getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, target, performCharacterChecks, location) { + var displayName = ts.getDeclaredName(typeChecker, symbol, location); + if (displayName) { + var firstCharCode = displayName.charCodeAt(0); + if ((symbol.flags & 1920) && (firstCharCode === 39 || firstCharCode === 34)) { + return undefined; + } + } + return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); + } + function getCompletionEntryDisplayName(name, target, performCharacterChecks) { + if (!name) { + return undefined; + } + name = ts.stripQuotes(name); + if (!name) { + return undefined; + } + if (performCharacterChecks) { + if (!ts.isIdentifierText(name, target)) { + return undefined; + } + } + return name; + } + var keywordCompletions = []; + for (var i = 71; i <= 139; i++) { + keywordCompletions.push({ + name: ts.tokenToString(i), + kind: ts.ScriptElementKind.keyword, + kindModifiers: ts.ScriptElementKindModifier.none, + sortText: "0" + }); + } + var tripleSlashDirectiveFragmentRegex = /^(\/\/\/\s*= 0; i--) { + if (pushKeywordIf(keywords, loopTokens[i], 105)) { + break; + } + } + } + } + var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(loopNode, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 71, 76); } }); + return ts.map(keywords, getHighlightSpanForNode); } - return; - function getPropertySymbolFromTypeReference(typeReference) { - if (typeReference) { - var type = typeChecker.getTypeAtLocation(typeReference); - if (type) { - var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); - if (propertySymbol) { - result.push.apply(result, typeChecker.getRootSymbols(propertySymbol)); - } - previousIterationSymbolsCache[symbol.name] = symbol; - getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); + function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { + var owner = getBreakOrContinueOwner(breakOrContinueStatement); + if (owner) { + switch (owner.kind) { + case 207: + case 208: + case 209: + case 205: + case 206: + return getLoopBreakContinueOccurrences(owner); + case 214: + return getSwitchCaseDefaultOccurrences(owner); } } + return undefined; } - } - function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation, searchLocationIsConstructor, parents, cache) { - if (ts.contains(searchSymbols, referenceSymbol)) { - return (!searchLocationIsConstructor || ts.isNewExpressionTarget(referenceLocation)) && referenceSymbol; - } - var aliasSymbol = getAliasSymbolForPropertyNameSymbol(referenceSymbol, referenceLocation); - if (aliasSymbol) { - return getRelatedSymbol(searchSymbols, aliasSymbol, referenceLocation, searchLocationIsConstructor, parents, cache); - } - var containingObjectLiteralElement = getContainingObjectLiteralElement(referenceLocation); - if (containingObjectLiteralElement) { - var contextualSymbol = ts.forEach(getPropertySymbolsFromContextualType(containingObjectLiteralElement), function (contextualSymbol) { - return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + function getSwitchCaseDefaultOccurrences(switchStatement) { + var keywords = []; + pushKeywordIf(keywords, switchStatement.getFirstToken(), 97); + ts.forEach(switchStatement.caseBlock.clauses, function (clause) { + pushKeywordIf(keywords, clause.getFirstToken(), 72, 78); + var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(switchStatement, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 71); + } + }); }); - if (contextualSymbol) { - return contextualSymbol; + return ts.map(keywords, getHighlightSpanForNode); + } + function getTryCatchFinallyOccurrences(tryStatement) { + var keywords = []; + pushKeywordIf(keywords, tryStatement.getFirstToken(), 101); + if (tryStatement.catchClause) { + pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 73); } - var propertySymbol = getPropertySymbolOfDestructuringAssignment(referenceLocation); - if (propertySymbol && searchSymbols.indexOf(propertySymbol) >= 0) { - return propertySymbol; + if (tryStatement.finallyBlock) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); + pushKeywordIf(keywords, finallyKeyword, 86); } + return ts.map(keywords, getHighlightSpanForNode); } - var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(referenceSymbol); - if (bindingElementPropertySymbol && searchSymbols.indexOf(bindingElementPropertySymbol) >= 0) { - return bindingElementPropertySymbol; - } - return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { - if (searchSymbols.indexOf(rootSymbol) >= 0) { - return rootSymbol; + function getThrowOccurrences(throwStatement) { + var owner = getThrowStatementOwner(throwStatement); + if (!owner) { + return undefined; } - if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { - if (parents) { - if (!ts.forEach(parents, function (parent) { return explicitlyInheritsFrom(rootSymbol.parent, parent, cache); })) { - return undefined; - } - } - var result_3 = []; - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_3, ts.createMap()); - return ts.forEach(result_3, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + var keywords = []; + ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); + }); + if (ts.isFunctionBlock(owner)) { + ts.forEachReturnStatement(owner, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); + }); } - return undefined; - }); - } - function getNameFromObjectLiteralElement(node) { - if (node.name.kind === 141) { - var nameExpression = node.name.expression; - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; + return ts.map(keywords, getHighlightSpanForNode); + } + function getReturnOccurrences(returnStatement) { + var func = ts.getContainingFunction(returnStatement); + if (!(func && hasKind(func.body, 200))) { + return undefined; } - return undefined; + var keywords = []; + ts.forEachReturnStatement(func.body, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); + }); + ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); + }); + return ts.map(keywords, getHighlightSpanForNode); } - return node.name.text; - } - function getPropertySymbolsFromContextualType(node) { - var objectLiteral = node.parent; - var contextualType = typeChecker.getContextualType(objectLiteral); - var name = getNameFromObjectLiteralElement(node); - if (name && contextualType) { - var result_4 = []; - var symbol_2 = contextualType.getProperty(name); - if (symbol_2) { - result_4.push(symbol_2); + function getIfElseOccurrences(ifStatement) { + var keywords = []; + while (hasKind(ifStatement.parent, 204) && ifStatement.parent.elseStatement === ifStatement) { + ifStatement = ifStatement.parent; } - if (contextualType.flags & 524288) { - ts.forEach(contextualType.types, function (t) { - var symbol = t.getProperty(name); - if (symbol) { - result_4.push(symbol); + while (ifStatement) { + var children = ifStatement.getChildren(); + pushKeywordIf(keywords, children[0], 89); + for (var i = children.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, children[i], 81)) { + break; } - }); + } + if (!hasKind(ifStatement.elseStatement, 204)) { + break; + } + ifStatement = ifStatement.elseStatement; } - return result_4; - } - return undefined; - } - function getIntersectingMeaningFromDeclarations(meaning, declarations) { - if (declarations) { - var lastIterationMeaning = void 0; - do { - lastIterationMeaning = meaning; - for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { - var declaration = declarations_8[_i]; - var declarationMeaning = ts.getMeaningFromDeclaration(declaration); - if (declarationMeaning & meaning) { - meaning |= declarationMeaning; + var result = []; + for (var i = 0; i < keywords.length; i++) { + if (keywords[i].kind === 81 && i < keywords.length - 1) { + var elseKeyword = keywords[i]; + var ifKeyword = keywords[i + 1]; + var shouldCombindElseAndIf = true; + for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { + if (!ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(j))) { + shouldCombindElseAndIf = false; + break; + } + } + if (shouldCombindElseAndIf) { + result.push({ + fileName: fileName, + textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), + kind: ts.HighlightSpanKind.reference + }); + i++; + continue; } } - } while (meaning !== lastIterationMeaning); - } - return meaning; - } - } - FindAllReferences.getReferencedSymbolsForNode = getReferencedSymbolsForNode; - function convertReferences(referenceSymbols) { - if (!referenceSymbols) { - return undefined; - } - var referenceEntries = []; - for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { - var referenceSymbol = referenceSymbols_1[_i]; - ts.addRange(referenceEntries, referenceSymbol.references); - } - return referenceEntries; - } - FindAllReferences.convertReferences = convertReferences; - function isImplementation(node) { - if (!node) { - return false; - } - else if (ts.isVariableLike(node)) { - if (node.initializer) { - return true; - } - else if (node.kind === 219) { - var parentStatement = getParentStatementOfVariableDeclaration(node); - return parentStatement && ts.hasModifier(parentStatement, 2); - } - } - else if (ts.isFunctionLike(node)) { - return !!node.body || ts.hasModifier(node, 2); - } - else { - switch (node.kind) { - case 222: - case 193: - case 225: - case 226: - return true; - } - } - return false; - } - function getParentStatementOfVariableDeclaration(node) { - if (node.parent && node.parent.parent && node.parent.parent.kind === 201) { - ts.Debug.assert(node.parent.kind === 220); - return node.parent.parent; - } - } - function getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result) { - var refSymbol = typeChecker.getSymbolAtLocation(node); - var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(refSymbol.valueDeclaration); - if (shorthandSymbol) { - for (var _i = 0, _a = shorthandSymbol.getDeclarations(); _i < _a.length; _i++) { - var declaration = _a[_i]; - if (ts.getMeaningFromDeclaration(declaration) & 1) { - result.push(getReferenceEntryFromNode(declaration)); + result.push(getHighlightSpanForNode(keywords[i])); } + return result; } } } - FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment = getReferenceEntriesForShorthandPropertyAssignment; - function getReferenceEntryFromNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - if (node.kind === 9) { - start += 1; - end -= 1; - } - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - isWriteAccess: isWriteAccess(node), - isDefinition: ts.isDeclarationName(node) || ts.isLiteralComputedPropertyDeclarationName(node) - }; - } - FindAllReferences.getReferenceEntryFromNode = getReferenceEntryFromNode; - function isWriteAccess(node) { - if (node.kind === 70 && ts.isDeclarationName(node)) { - return true; - } - var parent = node.parent; - if (parent) { - if (parent.kind === 187 || parent.kind === 186) { + DocumentHighlights.getDocumentHighlights = getDocumentHighlights; + function isLabeledBy(node, labelName) { + for (var owner = node.parent; owner.kind === 215; owner = owner.parent) { + if (owner.label.text === labelName) { return true; } - else if (parent.kind === 188 && parent.left === node) { - var operator = parent.operatorToken.kind; - return 57 <= operator && operator <= 69; - } - } - return false; - } - function forEachDescendantOfKind(node, kind, action) { - ts.forEachChild(node, function (child) { - if (child.kind === kind) { - action(child); - } - forEachDescendantOfKind(child, kind, action); - }); - } - function getContainingObjectLiteralElement(node) { - switch (node.kind) { - case 9: - case 8: - if (node.parent.kind === 141) { - return isObjectLiteralPropertyDeclaration(node.parent.parent) ? node.parent.parent : undefined; - } - case 70: - return isObjectLiteralPropertyDeclaration(node.parent) && node.parent.name === node ? node.parent : undefined; - } - return undefined; - } - function isObjectLiteralPropertyDeclaration(node) { - switch (node.kind) { - case 253: - case 254: - case 148: - case 150: - case 151: - return true; - } - return false; - } - function tryGetClassByExtendingIdentifier(node) { - return ts.tryGetClassExtendingExpressionWithTypeArguments(ts.climbPastPropertyAccess(node).parent); - } - function isNameOfExternalModuleImportOrDeclaration(node) { - if (node.kind === 9) { - return ts.isNameOfModuleDeclaration(node) || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node); } return false; } - })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {})); + })(DocumentHighlights = ts.DocumentHighlights || (ts.DocumentHighlights = {})); })(ts || (ts = {})); var ts; (function (ts) { - var GoToDefinition; - (function (GoToDefinition) { - function getDefinitionAtPosition(program, sourceFile, position) { - var comment = findReferenceInPosition(sourceFile.referencedFiles, position); - if (comment) { - var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); - if (referenceFile) { - return [getDefinitionInfoForFileReference(comment.fileName, referenceFile.fileName)]; - } - return undefined; - } - var typeReferenceDirective = findReferenceInPosition(sourceFile.typeReferenceDirectives, position); - if (typeReferenceDirective) { - var referenceFile = program.getResolvedTypeReferenceDirectives()[typeReferenceDirective.fileName]; - if (referenceFile && referenceFile.resolvedFileName) { - return [getDefinitionInfoForFileReference(typeReferenceDirective.fileName, referenceFile.resolvedFileName)]; - } - return undefined; - } - var node = ts.getTouchingPropertyName(sourceFile, position); - if (node === sourceFile) { - return undefined; - } - if (ts.isJumpStatementTarget(node)) { - var labelName = node.text; - var label = ts.getTargetLabel(node.parent, node.text); - return label ? [createDefinitionInfo(label, ts.ScriptElementKind.label, labelName, undefined)] : undefined; - } - var typeChecker = program.getTypeChecker(); - var calledDeclaration = tryGetSignatureDeclaration(typeChecker, node); - if (calledDeclaration) { - return [createDefinitionFromSignatureDeclaration(typeChecker, calledDeclaration)]; - } - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - if (symbol.flags & 8388608) { - var declaration = symbol.declarations[0]; - if (node.kind === 70 && - (node.parent === declaration || - (declaration.kind === 235 && declaration.parent && declaration.parent.kind === 234))) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - } - if (node.parent.kind === 254) { - var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); - if (!shorthandSymbol) { - return []; - } - var shorthandDeclarations = shorthandSymbol.getDeclarations(); - var shorthandSymbolKind_1 = ts.SymbolDisplay.getSymbolKind(typeChecker, shorthandSymbol, node); - var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); - var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); - return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); - } - return getDefinitionFromSymbol(typeChecker, symbol, node); + function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { + if (currentDirectory === void 0) { currentDirectory = ""; } + var buckets = ts.createMap(); + var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); + function getKeyForCompilationSettings(settings) { + return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + "|" + settings.allowJs + "|" + settings.baseUrl + "|" + JSON.stringify(settings.typeRoots) + "|" + JSON.stringify(settings.rootDirs) + "|" + JSON.stringify(settings.paths); } - GoToDefinition.getDefinitionAtPosition = getDefinitionAtPosition; - function getTypeDefinitionAtPosition(typeChecker, sourceFile, position) { - var node = ts.getTouchingPropertyName(sourceFile, position); - if (node === sourceFile) { - return undefined; - } - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); - if (!type) { - return undefined; - } - if (type.flags & 524288 && !(type.flags & 16)) { - var result_5 = []; - ts.forEach(type.types, function (t) { - if (t.symbol) { - ts.addRange(result_5, getDefinitionFromSymbol(typeChecker, t.symbol, node)); - } - }); - return result_5; - } - if (!type.symbol) { - return undefined; + function getBucketForCompilationSettings(key, createIfMissing) { + var bucket = buckets[key]; + if (!bucket && createIfMissing) { + buckets[key] = bucket = ts.createFileMap(); } - return getDefinitionFromSymbol(typeChecker, type.symbol, node); + return bucket; } - GoToDefinition.getTypeDefinitionAtPosition = getTypeDefinitionAtPosition; - function getDefinitionFromSymbol(typeChecker, symbol, node) { - var result = []; - var declarations = symbol.getDeclarations(); - var _a = getSymbolInfo(typeChecker, symbol, node), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; - if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && - !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { - ts.forEach(declarations, function (declaration) { - result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); - }); - } - return result; - function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (ts.isNewExpressionTarget(location) || location.kind === 122) { - if (symbol.flags & 32) { - for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { - var declaration = _a[_i]; - if (ts.isClassLike(declaration)) { - return tryAddSignature(declaration.members, true, symbolKind, symbolName, containerName, result); - } - } - ts.Debug.fail("Expected declaration to have at least one class-like declaration"); - } - } - return false; - } - function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location) || ts.isNameOfFunctionDeclaration(location)) { - return tryAddSignature(symbol.declarations, false, symbolKind, symbolName, containerName, result); - } - return false; - } - function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { - var declarations = []; - var definition; - ts.forEach(signatureDeclarations, function (d) { - if ((selectConstructors && d.kind === 149) || - (!selectConstructors && (d.kind === 221 || d.kind === 148 || d.kind === 147))) { - declarations.push(d); - if (d.body) - definition = d; - } + function reportStats() { + var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { + var entries = buckets[name]; + var sourceFiles = []; + entries.forEachValue(function (key, entry) { + sourceFiles.push({ + name: key, + refCount: entry.languageServiceRefCount, + references: entry.owners.slice(0) + }); }); - if (definition) { - result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); - return true; - } - else if (declarations.length) { - result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); - return true; - } - return false; - } - } - function createDefinitionInfo(node, symbolKind, symbolName, containerName) { - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), - kind: symbolKind, - name: symbolName, - containerKind: undefined, - containerName: containerName - }; - } - function getSymbolInfo(typeChecker, symbol, node) { - return { - symbolName: typeChecker.symbolToString(symbol), - symbolKind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node), - containerName: symbol.parent ? typeChecker.symbolToString(symbol.parent, node) : "" - }; - } - function createDefinitionFromSignatureDeclaration(typeChecker, decl) { - var _a = getSymbolInfo(typeChecker, decl.symbol, decl), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; - return createDefinitionInfo(decl, symbolKind, symbolName, containerName); - } - function findReferenceInPosition(refs, pos) { - for (var _i = 0, refs_1 = refs; _i < refs_1.length; _i++) { - var ref = refs_1[_i]; - if (ref.pos <= pos && pos < ref.end) { - return ref; - } - } - return undefined; + sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); + return { + bucket: name, + sourceFiles: sourceFiles + }; + }); + return JSON.stringify(bucketInfoArray, undefined, 2); } - function getDefinitionInfoForFileReference(name, targetFileName) { - return { - fileName: targetFileName, - textSpan: ts.createTextSpanFromBounds(0, 0), - kind: ts.ScriptElementKind.scriptElement, - name: name, - containerName: undefined, - containerKind: undefined - }; + function acquireDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(compilationSettings); + return acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); } - function getAncestorCallLikeExpression(node) { - var target = climbPastManyPropertyAccesses(node); - var callLike = target.parent; - return callLike && ts.isCallLikeExpression(callLike) && ts.getInvokedExpression(callLike) === target && callLike; + function acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { + return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, true, scriptKind); } - function climbPastManyPropertyAccesses(node) { - return ts.isRightSideOfPropertyAccess(node) ? climbPastManyPropertyAccesses(node.parent) : node; + function updateDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(compilationSettings); + return updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); } - function tryGetSignatureDeclaration(typeChecker, node) { - var callLike = getAncestorCallLikeExpression(node); - return callLike && typeChecker.getResolvedSignature(callLike).declaration; + function updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { + return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, false, scriptKind); } - })(GoToDefinition = ts.GoToDefinition || (ts.GoToDefinition = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var GoToImplementation; - (function (GoToImplementation) { - function getImplementationAtPosition(typeChecker, cancellationToken, sourceFiles, node) { - if (node.parent.kind === 254) { - var result = []; - ts.FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result); - return result.length > 0 ? result : undefined; - } - else if (node.kind === 96 || ts.isSuperProperty(node.parent)) { - var symbol = typeChecker.getSymbolAtLocation(node); - return symbol.valueDeclaration && [ts.FindAllReferences.getReferenceEntryFromNode(symbol.valueDeclaration)]; + function acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, acquiring, scriptKind) { + var bucket = getBucketForCompilationSettings(key, true); + var entry = bucket.get(path); + if (!entry) { + ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); + var sourceFile = ts.createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, false, scriptKind); + entry = { + sourceFile: sourceFile, + languageServiceRefCount: 0, + owners: [] + }; + bucket.set(path, entry); } else { - var referencedSymbols = ts.FindAllReferences.getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, false, false, true); - var result = ts.flatMap(referencedSymbols, function (symbol) { - return ts.map(symbol.references, function (_a) { - var textSpan = _a.textSpan, fileName = _a.fileName; - return ({ textSpan: textSpan, fileName: fileName }); - }); - }); - return result && result.length > 0 ? result : undefined; + if (entry.sourceFile.version !== version) { + entry.sourceFile = ts.updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); + } + } + if (acquiring) { + entry.languageServiceRefCount++; } + return entry.sourceFile; } - GoToImplementation.getImplementationAtPosition = getImplementationAtPosition; - })(GoToImplementation = ts.GoToImplementation || (ts.GoToImplementation = {})); + function releaseDocument(fileName, compilationSettings) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(compilationSettings); + return releaseDocumentWithKey(path, key); + } + function releaseDocumentWithKey(path, key) { + var bucket = getBucketForCompilationSettings(key, false); + ts.Debug.assert(bucket !== undefined); + var entry = bucket.get(path); + entry.languageServiceRefCount--; + ts.Debug.assert(entry.languageServiceRefCount >= 0); + if (entry.languageServiceRefCount === 0) { + bucket.remove(path); + } + } + return { + acquireDocument: acquireDocument, + acquireDocumentWithKey: acquireDocumentWithKey, + updateDocument: updateDocument, + updateDocumentWithKey: updateDocumentWithKey, + releaseDocument: releaseDocument, + releaseDocumentWithKey: releaseDocumentWithKey, + reportStats: reportStats, + getKeyForCompilationSettings: getKeyForCompilationSettings + }; + } + ts.createDocumentRegistry = createDocumentRegistry; })(ts || (ts = {})); var ts; (function (ts) { - var JsDoc; - (function (JsDoc) { - var jsDocTagNames = [ - "augments", - "author", - "argument", - "borrows", - "class", - "constant", - "constructor", - "constructs", - "default", - "deprecated", - "description", - "event", - "example", - "extends", - "field", - "fileOverview", - "function", - "ignore", - "inner", - "lends", - "link", - "memberOf", - "name", - "namespace", - "param", - "private", - "property", - "public", - "requires", - "returns", - "see", - "since", - "static", - "throws", - "type", - "typedef", - "property", - "prop", - "version" - ]; - var jsDocCompletionEntries; - function getJsDocCommentsFromDeclarations(declarations) { - var documentationComment = []; - forEachUnique(declarations, function (declaration) { - var comments = ts.getJSDocComments(declaration, true); - if (!comments) { - return; - } - for (var _i = 0, comments_3 = comments; _i < comments_3.length; _i++) { - var comment = comments_3[_i]; - if (comment) { - if (documentationComment.length) { - documentationComment.push(ts.lineBreakPart()); - } - documentationComment.push(ts.textPart(comment)); + var FindAllReferences; + (function (FindAllReferences) { + function findReferencedSymbols(typeChecker, cancellationToken, sourceFiles, sourceFile, position, findInStrings, findInComments) { + var node = ts.getTouchingPropertyName(sourceFile, position, true); + if (node === sourceFile) { + return undefined; + } + switch (node.kind) { + case 8: + if (!ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { + break; } - } - }); - return documentationComment; + case 70: + case 98: + case 122: + case 9: + return getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, false); + } + return undefined; } - JsDoc.getJsDocCommentsFromDeclarations = getJsDocCommentsFromDeclarations; - function forEachUnique(array, callback) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - if (ts.indexOf(array, array[i]) === i) { - var result = callback(array[i], i); - if (result) { - return result; - } + FindAllReferences.findReferencedSymbols = findReferencedSymbols; + function getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, implementations) { + if (!implementations) { + if (ts.isLabelName(node)) { + if (ts.isJumpStatementTarget(node)) { + var labelDefinition = ts.getTargetLabel(node.parent, node.text); + return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; + } + else { + return getLabelReferencesInNode(node.parent, node); } } + if (ts.isThis(node)) { + return getReferencesForThisKeyword(node, sourceFiles); + } + if (node.kind === 96) { + return getReferencesForSuperKeyword(node); + } } - return undefined; - } - function getAllJsDocCompletionEntries() { - return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { - return { - name: tagName, - kind: ts.ScriptElementKind.keyword, - kindModifiers: "", - sortText: "0", - }; - })); - } - JsDoc.getAllJsDocCompletionEntries = getAllJsDocCompletionEntries; - function getDocCommentTemplateAtPosition(newLine, sourceFile, position) { - if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { - return undefined; + var symbol = typeChecker.getSymbolAtLocation(node); + if (!implementations && !symbol && node.kind === 9) { + return getReferencesForStringLiteral(node, sourceFiles); } - var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); - var tokenStart = tokenAtPos.getStart(); - if (!tokenAtPos || tokenStart < position) { + if (!symbol) { return undefined; } - var commentOwner; - findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { - switch (commentOwner.kind) { - case 221: - case 148: - case 149: - case 222: - case 201: - break findOwner; - case 256: - return undefined; - case 226: - if (commentOwner.parent.kind === 226) { - return undefined; - } - break findOwner; - } - } - if (!commentOwner || commentOwner.getStart() < position) { + var declarations = symbol.declarations; + if (!declarations || !declarations.length) { return undefined; } - var parameters = getParametersForJsDocOwningNode(commentOwner); - var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); - var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; - var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); - var docParams = ""; - for (var i = 0, numParams = parameters.length; i < numParams; i++) { - var currentName = parameters[i].name; - var paramName = currentName.kind === 70 ? - currentName.text : - "param" + i; - docParams += indentationStr + " * @param " + paramName + newLine; - } - var preamble = "/**" + newLine + - indentationStr + " * "; - var result = preamble + newLine + - docParams + - indentationStr + " */" + - (tokenStart === position ? newLine + indentationStr : ""); - return { newText: result, caretOffset: preamble.length }; - } - JsDoc.getDocCommentTemplateAtPosition = getDocCommentTemplateAtPosition; - function getParametersForJsDocOwningNode(commentOwner) { - if (ts.isFunctionLike(commentOwner)) { - return commentOwner.parameters; + var result; + var searchMeaning = getIntersectingMeaningFromDeclarations(ts.getMeaningFromLocation(node), declarations); + var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var scope = getSymbolScope(symbol); + var symbolToIndex = []; + if (scope) { + result = []; + getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); } - if (commentOwner.kind === 201) { - var varStatement = commentOwner; - var varDeclarations = varStatement.declarationList.declarations; - if (varDeclarations.length === 1 && varDeclarations[0].initializer) { - return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); + else { + var internedName = getInternedName(symbol, node); + for (var _i = 0, sourceFiles_8 = sourceFiles; _i < sourceFiles_8.length; _i++) { + var sourceFile = sourceFiles_8[_i]; + cancellationToken.throwIfCancellationRequested(); + var nameTable = ts.getNameTable(sourceFile); + if (nameTable[internedName] !== undefined) { + result = result || []; + getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } } } - return ts.emptyArray; - } - function getParametersFromRightHandSideOfAssignment(rightHandSide) { - while (rightHandSide.kind === 179) { - rightHandSide = rightHandSide.expression; + return result; + function getDefinition(symbol) { + var info = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, node.getSourceFile(), ts.getContainerNode(node), node); + var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); + var declarations = symbol.declarations; + if (!declarations || declarations.length === 0) { + return undefined; + } + return { + containerKind: "", + containerName: "", + name: name, + kind: info.symbolKind, + fileName: declarations[0].getSourceFile().fileName, + textSpan: ts.createTextSpan(declarations[0].getStart(), 0), + displayParts: info.displayParts + }; } - switch (rightHandSide.kind) { - case 180: - case 181: - return rightHandSide.parameters; - case 193: - for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 149) { - return member.parameters; - } + function getAliasSymbolForPropertyNameSymbol(symbol, location) { + if (symbol.flags & 8388608) { + var defaultImport = ts.getDeclarationOfKind(symbol, 232); + if (defaultImport) { + return typeChecker.getAliasedSymbol(symbol); } - break; - } - return ts.emptyArray; - } - })(JsDoc = ts.JsDoc || (ts.JsDoc = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var JsTyping; - (function (JsTyping) { - ; - ; - var safeList; - var EmptySafeList = ts.createMap(); - function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions) { - var inferredTypings = ts.createMap(); - if (!typingOptions || !typingOptions.enableAutoDiscovery) { - return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] }; + var importOrExportSpecifier = ts.forEach(symbol.declarations, function (declaration) { return (declaration.kind === 235 || + declaration.kind === 239) ? declaration : undefined; }); + if (importOrExportSpecifier && + (!importOrExportSpecifier.propertyName || + importOrExportSpecifier.propertyName === location)) { + return importOrExportSpecifier.kind === 235 ? + typeChecker.getAliasedSymbol(symbol) : + typeChecker.getExportSpecifierLocalTargetSymbol(importOrExportSpecifier); + } + } + return undefined; } - fileNames = ts.filter(ts.map(fileNames, ts.normalizePath), function (f) { - var kind = ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)); - return kind === 1 || kind === 2; - }); - if (!safeList) { - var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); }); - safeList = result.config ? ts.createMap(result.config) : EmptySafeList; + function followAliasIfNecessary(symbol, location) { + return getAliasSymbolForPropertyNameSymbol(symbol, location) || symbol; } - var filesToWatch = []; - var searchDirs = []; - var exclude = []; - mergeTypings(typingOptions.include); - exclude = typingOptions.exclude || []; - var possibleSearchDirs = ts.map(fileNames, ts.getDirectoryPath); - if (projectRootPath !== undefined) { - possibleSearchDirs.push(projectRootPath); + function getPropertySymbolOfDestructuringAssignment(location) { + return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(location.parent.parent) && + typeChecker.getPropertySymbolOfDestructuringAssignment(location); } - searchDirs = ts.deduplicate(possibleSearchDirs); - for (var _i = 0, searchDirs_1 = searchDirs; _i < searchDirs_1.length; _i++) { - var searchDir = searchDirs_1[_i]; - var packageJsonPath = ts.combinePaths(searchDir, "package.json"); - getTypingNamesFromJson(packageJsonPath, filesToWatch); - var bowerJsonPath = ts.combinePaths(searchDir, "bower.json"); - getTypingNamesFromJson(bowerJsonPath, filesToWatch); - var nodeModulesPath = ts.combinePaths(searchDir, "node_modules"); - getTypingNamesFromNodeModuleFolder(nodeModulesPath); + function isObjectBindingPatternElementWithoutPropertyName(symbol) { + var bindingElement = ts.getDeclarationOfKind(symbol, 170); + return bindingElement && + bindingElement.parent.kind === 168 && + !bindingElement.propertyName; } - getTypingNamesFromSourceFileNames(fileNames); - for (var name_48 in packageNameToTypingLocation) { - if (name_48 in inferredTypings && !inferredTypings[name_48]) { - inferredTypings[name_48] = packageNameToTypingLocation[name_48]; + function getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol) { + if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { + var bindingElement = ts.getDeclarationOfKind(symbol, 170); + var typeOfPattern = typeChecker.getTypeAtLocation(bindingElement.parent); + return typeOfPattern && typeChecker.getPropertyOfType(typeOfPattern, bindingElement.name.text); } + return undefined; } - for (var _a = 0, exclude_1 = exclude; _a < exclude_1.length; _a++) { - var excludeTypingName = exclude_1[_a]; - delete inferredTypings[excludeTypingName]; - } - var newTypingNames = []; - var cachedTypingPaths = []; - for (var typing in inferredTypings) { - if (inferredTypings[typing] !== undefined) { - cachedTypingPaths.push(inferredTypings[typing]); - } - else { - newTypingNames.push(typing); + function getInternedName(symbol, location) { + if (ts.isImportOrExportSpecifierName(location)) { + return location.getText(); } + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + symbol = localExportDefaultSymbol || symbol; + return ts.stripQuotes(symbol.name); } - return { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch }; - function mergeTypings(typingNames) { - if (!typingNames) { - return; + function getSymbolScope(symbol) { + var valueDeclaration = symbol.valueDeclaration; + if (valueDeclaration && (valueDeclaration.kind === 180 || valueDeclaration.kind === 193)) { + return valueDeclaration; } - for (var _i = 0, typingNames_1 = typingNames; _i < typingNames_1.length; _i++) { - var typing = typingNames_1[_i]; - if (!(typing in inferredTypings)) { - inferredTypings[typing] = undefined; + if (symbol.flags & (4 | 8192)) { + var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (ts.getModifierFlags(d) & 8) ? d : undefined; }); + if (privateDeclaration) { + return ts.getAncestor(privateDeclaration, 222); } } - } - function getTypingNamesFromJson(jsonPath, filesToWatch) { - var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }); - if (result.config) { - var jsonConfig = result.config; - filesToWatch.push(jsonPath); - if (jsonConfig.dependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.dependencies)); - } - if (jsonConfig.devDependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.devDependencies)); - } - if (jsonConfig.optionalDependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.optionalDependencies)); - } - if (jsonConfig.peerDependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.peerDependencies)); - } + if (symbol.flags & 8388608) { + return undefined; } - } - function getTypingNamesFromSourceFileNames(fileNames) { - var jsFileNames = ts.filter(fileNames, ts.hasJavaScriptFileExtension); - var inferredTypingNames = ts.map(jsFileNames, function (f) { return ts.removeFileExtension(ts.getBaseFileName(f.toLowerCase())); }); - var cleanedTypingNames = ts.map(inferredTypingNames, function (f) { return f.replace(/((?:\.|-)min(?=\.|$))|((?:-|\.)\d+)/g, ""); }); - if (safeList !== EmptySafeList) { - mergeTypings(ts.filter(cleanedTypingNames, function (f) { return f in safeList; })); + if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { + return undefined; } - var hasJsxFile = ts.forEach(fileNames, function (f) { return ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)) === 2; }); - if (hasJsxFile) { - mergeTypings(["react"]); + if (symbol.parent || (symbol.flags & 268435456)) { + return undefined; + } + var scope; + var declarations = symbol.getDeclarations(); + if (declarations) { + for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) { + var declaration = declarations_7[_i]; + var container = ts.getContainerNode(declaration); + if (!container) { + return undefined; + } + if (scope && scope !== container) { + return undefined; + } + if (container.kind === 256 && !ts.isExternalModule(container)) { + return undefined; + } + scope = container; + } } + return scope; } - function getTypingNamesFromNodeModuleFolder(nodeModulesPath) { - if (!host.directoryExists(nodeModulesPath)) { - return; + function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { + var positions = []; + if (!symbolName || !symbolName.length) { + return positions; } - var typingNames = []; - var fileNames = host.readDirectory(nodeModulesPath, [".json"], undefined, undefined, 2); - for (var _i = 0, fileNames_2 = fileNames; _i < fileNames_2.length; _i++) { - var fileName = fileNames_2[_i]; - var normalizedFileName = ts.normalizePath(fileName); - if (ts.getBaseFileName(normalizedFileName) !== "package.json") { - continue; - } - var result = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); }); - if (!result.config) { - continue; - } - var packageJson = result.config; - if (packageJson._requiredBy && - ts.filter(packageJson._requiredBy, function (r) { return r[0] === "#" || r === "/"; }).length === 0) { - continue; + var text = sourceFile.text; + var sourceLength = text.length; + var symbolNameLength = symbolName.length; + var position = text.indexOf(symbolName, start); + while (position >= 0) { + cancellationToken.throwIfCancellationRequested(); + if (position > end) + break; + var endPosition = position + symbolNameLength; + if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 4)) && + (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 4))) { + positions.push(position); } - if (!packageJson.name) { - continue; + position = text.indexOf(symbolName, position + symbolNameLength + 1); + } + return positions; + } + function getLabelReferencesInNode(container, targetLabel) { + var references = []; + var sourceFile = container.getSourceFile(); + var labelName = targetLabel.text; + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.getWidth() !== labelName.length) { + return; } - if (packageJson.typings) { - var absolutePath = ts.getNormalizedAbsolutePath(packageJson.typings, ts.getDirectoryPath(normalizedFileName)); - inferredTypings[packageJson.name] = absolutePath; + if (node === targetLabel || + (ts.isJumpStatementTarget(node) && ts.getTargetLabel(node, labelName) === targetLabel)) { + references.push(getReferenceEntryFromNode(node)); } - else { - typingNames.push(packageJson.name); + }); + var definition = { + containerKind: "", + containerName: "", + fileName: targetLabel.getSourceFile().fileName, + kind: ts.ScriptElementKind.label, + name: labelName, + textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()), + displayParts: [ts.displayPart(labelName, ts.SymbolDisplayPartKind.text)] + }; + return [{ definition: definition, references: references }]; + } + function isValidReferencePosition(node, searchSymbolName) { + if (node) { + switch (node.kind) { + case 70: + return node.getWidth() === searchSymbolName.length; + case 9: + if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + return node.getWidth() === searchSymbolName.length + 2; + } + break; + case 8: + if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { + return node.getWidth() === searchSymbolName.length; + } + break; } } - mergeTypings(typingNames); + return false; } - } - JsTyping.discoverTypings = discoverTypings; - })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var NavigateTo; - (function (NavigateTo) { - function getNavigateToItems(sourceFiles, checker, cancellationToken, searchValue, maxResultCount, excludeDtsFiles) { - var patternMatcher = ts.createPatternMatcher(searchValue); - var rawItems = []; - ts.forEach(sourceFiles, function (sourceFile) { - cancellationToken.throwIfCancellationRequested(); - if (excludeDtsFiles && ts.fileExtensionIs(sourceFile.fileName, ".d.ts")) { - return; - } - var nameToDeclarations = sourceFile.getNamedDeclarations(); - for (var name_49 in nameToDeclarations) { - var declarations = nameToDeclarations[name_49]; - if (declarations) { - var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_49); - if (!matches) { - continue; + function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { + var sourceFile = container.getSourceFile(); + var start = findInComments ? container.getFullStart() : container.getStart(); + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, searchText, start, container.getEnd()); + var parents = getParentSymbolsOfPropertyAccess(); + var inheritsFromCache = ts.createMap(); + if (possiblePositions.length) { + var searchSymbols_1 = populateSearchSymbolSet(searchSymbol, searchLocation); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var referenceLocation = ts.getTouchingPropertyName(sourceFile, position); + if (!isValidReferencePosition(referenceLocation, searchText)) { + if (!implementations && ((findInStrings && ts.isInString(sourceFile, position)) || + (findInComments && ts.isInNonReferenceComment(sourceFile, position)))) { + result.push({ + definition: undefined, + references: [{ + fileName: sourceFile.fileName, + textSpan: ts.createTextSpan(position, searchText.length), + isWriteAccess: false, + isDefinition: false + }] + }); + } + return; } - for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { - var declaration = declarations_9[_i]; - if (patternMatcher.patternContainsDots) { - var containers = getContainers(declaration); - if (!containers) { - return undefined; + if (!(ts.getMeaningFromLocation(referenceLocation) & searchMeaning)) { + return; + } + var referenceSymbol = typeChecker.getSymbolAtLocation(referenceLocation); + if (referenceSymbol) { + var referenceSymbolDeclaration = referenceSymbol.valueDeclaration; + var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(referenceSymbolDeclaration); + var relatedSymbol = getRelatedSymbol(searchSymbols_1, referenceSymbol, referenceLocation, searchLocation.kind === 122, parents, inheritsFromCache); + if (relatedSymbol) { + addReferenceToRelatedSymbol(referenceLocation, relatedSymbol); + } + else if (!(referenceSymbol.flags & 67108864) && searchSymbols_1.indexOf(shorthandValueSymbol) >= 0) { + addReferenceToRelatedSymbol(referenceSymbolDeclaration.name, shorthandValueSymbol); + } + else if (searchLocation.kind === 122) { + findAdditionalConstructorReferences(referenceSymbol, referenceLocation); + } + } + }); + } + return; + function getParentSymbolsOfPropertyAccess() { + if (implementations) { + var propertyAccessExpression = getPropertyAccessExpressionFromRightHandSide(searchLocation); + if (propertyAccessExpression) { + var localParentType = typeChecker.getTypeAtLocation(propertyAccessExpression.expression); + if (localParentType) { + if (localParentType.symbol && localParentType.symbol.flags & (32 | 64) && localParentType.symbol !== searchSymbol.parent) { + return [localParentType.symbol]; } - matches = patternMatcher.getMatches(containers, name_49); - if (!matches) { - continue; + else if (localParentType.flags & 196608) { + return getSymbolsForClassAndInterfaceComponents(localParentType); } } - var fileName = sourceFile.fileName; - var matchKind = bestMatchKind(matches); - rawItems.push({ name: name_49, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); } } } - }); - rawItems = ts.filter(rawItems, function (item) { - var decl = item.declaration; - if (decl.kind === 232 || decl.kind === 235 || decl.kind === 230) { - var importer = checker.getSymbolAtLocation(decl.name); - var imported = checker.getAliasedSymbol(importer); - return importer.name !== imported.name; + function getPropertyAccessExpressionFromRightHandSide(node) { + return ts.isRightSideOfPropertyAccess(node) && node.parent; } - else { - return true; + function findAdditionalConstructorReferences(referenceSymbol, referenceLocation) { + ts.Debug.assert(ts.isClassLike(searchSymbol.valueDeclaration)); + var referenceClass = referenceLocation.parent; + if (referenceSymbol === searchSymbol && ts.isClassLike(referenceClass)) { + ts.Debug.assert(referenceClass.name === referenceLocation); + addReferences(findOwnConstructorCalls(searchSymbol)); + } + else { + var classExtending = tryGetClassByExtendingIdentifier(referenceLocation); + if (classExtending && ts.isClassLike(classExtending) && followAliasIfNecessary(referenceSymbol, referenceLocation) === searchSymbol) { + addReferences(superConstructorAccesses(classExtending)); + } + } } - }); - rawItems.sort(compareNavigateToItems); - if (maxResultCount !== undefined) { - rawItems = rawItems.slice(0, maxResultCount); - } - var items = ts.map(rawItems, createNavigateToItem); - return items; - function allMatchesAreCaseSensitive(matches) { - ts.Debug.assert(matches.length > 0); - for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { - var match = matches_2[_i]; - if (!match.isCaseSensitive) { - return false; + function addReferences(references) { + if (references.length) { + var referencedSymbol = getReferencedSymbol(searchSymbol); + ts.addRange(referencedSymbol.references, ts.map(references, getReferenceEntryFromNode)); } } - return true; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 70 || - node.kind === 9 || - node.kind === 8) { - return node.text; + function findOwnConstructorCalls(classSymbol) { + var result = []; + for (var _i = 0, _a = classSymbol.members["__constructor"].declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + ts.Debug.assert(decl.kind === 149); + var ctrKeyword = decl.getChildAt(0); + ts.Debug.assert(ctrKeyword.kind === 122); + result.push(ctrKeyword); } + ts.forEachProperty(classSymbol.exports, function (member) { + var decl = member.valueDeclaration; + if (decl && decl.kind === 148) { + var body = decl.body; + if (body) { + forEachDescendantOfKind(body, 98, function (thisKeyword) { + if (ts.isNewExpressionTarget(thisKeyword)) { + result.push(thisKeyword); + } + }); + } + } + }); + return result; } - return undefined; - } - function tryAddSingleDeclarationName(declaration, containers) { - if (declaration && declaration.name) { - var text = getTextOfIdentifierOrLiteral(declaration.name); - if (text !== undefined) { - containers.unshift(text); + function superConstructorAccesses(cls) { + var symbol = cls.symbol; + var ctr = symbol.members["__constructor"]; + if (!ctr) { + return []; } - else if (declaration.name.kind === 141) { - return tryAddComputedPropertyName(declaration.name.expression, containers, true); + var result = []; + for (var _i = 0, _a = ctr.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + ts.Debug.assert(decl.kind === 149); + var body = decl.body; + if (body) { + forEachDescendantOfKind(body, 96, function (node) { + if (ts.isCallExpressionTarget(node)) { + result.push(node); + } + }); + } + } + ; + return result; + } + function getReferencedSymbol(symbol) { + var symbolId = ts.getSymbolId(symbol); + var index = symbolToIndex[symbolId]; + if (index === undefined) { + index = result.length; + symbolToIndex[symbolId] = index; + result.push({ + definition: getDefinition(symbol), + references: [] + }); + } + return result[index]; + } + function addReferenceToRelatedSymbol(node, relatedSymbol) { + var references = getReferencedSymbol(relatedSymbol).references; + if (implementations) { + getImplementationReferenceEntryForNode(node, references); } else { - return false; + references.push(getReferenceEntryFromNode(node)); } } - return true; } - function tryAddComputedPropertyName(expression, containers, includeLastPortion) { - var text = getTextOfIdentifierOrLiteral(expression); - if (text !== undefined) { - if (includeLastPortion) { - containers.unshift(text); + function getImplementationReferenceEntryForNode(refNode, result) { + if (ts.isDeclarationName(refNode) && isImplementation(refNode.parent)) { + result.push(getReferenceEntryFromNode(refNode.parent)); + } + else if (refNode.kind === 70) { + if (refNode.parent.kind === 254) { + getReferenceEntriesForShorthandPropertyAssignment(refNode, typeChecker, result); + } + var containingClass = getContainingClassIfInHeritageClause(refNode); + if (containingClass) { + result.push(getReferenceEntryFromNode(containingClass)); + return; + } + var containingTypeReference = getContainingTypeReference(refNode); + if (containingTypeReference) { + var parent_21 = containingTypeReference.parent; + if (ts.isVariableLike(parent_21) && parent_21.type === containingTypeReference && parent_21.initializer && isImplementationExpression(parent_21.initializer)) { + maybeAdd(getReferenceEntryFromNode(parent_21.initializer)); + } + else if (ts.isFunctionLike(parent_21) && parent_21.type === containingTypeReference && parent_21.body) { + if (parent_21.body.kind === 200) { + ts.forEachReturnStatement(parent_21.body, function (returnStatement) { + if (returnStatement.expression && isImplementationExpression(returnStatement.expression)) { + maybeAdd(getReferenceEntryFromNode(returnStatement.expression)); + } + }); + } + else if (isImplementationExpression(parent_21.body)) { + maybeAdd(getReferenceEntryFromNode(parent_21.body)); + } + } + else if (ts.isAssertionExpression(parent_21) && isImplementationExpression(parent_21.expression)) { + maybeAdd(getReferenceEntryFromNode(parent_21.expression)); + } } - return true; } - if (expression.kind === 173) { - var propertyAccess = expression; - if (includeLastPortion) { - containers.unshift(propertyAccess.name.text); + function maybeAdd(a) { + if (!ts.forEach(result, function (b) { return a.fileName === b.fileName && a.textSpan.start === b.textSpan.start && a.textSpan.length === b.textSpan.length; })) { + result.push(a); } - return tryAddComputedPropertyName(propertyAccess.expression, containers, true); } - return false; } - function getContainers(declaration) { - var containers = []; - if (declaration.name.kind === 141) { - if (!tryAddComputedPropertyName(declaration.name.expression, containers, false)) { - return undefined; + function getSymbolsForClassAndInterfaceComponents(type, result) { + if (result === void 0) { result = []; } + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var componentType = _a[_i]; + if (componentType.symbol && componentType.symbol.getFlags() & (32 | 64)) { + result.push(componentType.symbol); } - } - declaration = ts.getContainerNode(declaration); - while (declaration) { - if (!tryAddSingleDeclarationName(declaration, containers)) { - return undefined; + if (componentType.getFlags() & 196608) { + getSymbolsForClassAndInterfaceComponents(componentType, result); } - declaration = ts.getContainerNode(declaration); } - return containers; + return result; } - function bestMatchKind(matches) { - ts.Debug.assert(matches.length > 0); - var bestMatchKind = ts.PatternMatchKind.camelCase; - for (var _i = 0, matches_3 = matches; _i < matches_3.length; _i++) { - var match = matches_3[_i]; - var kind = match.kind; - if (kind < bestMatchKind) { - bestMatchKind = kind; + function getContainingTypeReference(node) { + var topLevelTypeReference = undefined; + while (node) { + if (ts.isTypeNode(node)) { + topLevelTypeReference = node; } + node = node.parent; } - return bestMatchKind; - } - function compareNavigateToItems(i1, i2) { - return i1.matchKind - i2.matchKind || - ts.compareStringsCaseInsensitive(i1.name, i2.name) || - ts.compareStrings(i1.name, i2.name); - } - function createNavigateToItem(rawItem) { - var declaration = rawItem.declaration; - var container = ts.getContainerNode(declaration); - return { - name: rawItem.name, - kind: ts.getNodeKind(declaration), - kindModifiers: ts.getNodeModifiers(declaration), - matchKind: ts.PatternMatchKind[rawItem.matchKind], - isCaseSensitive: rawItem.isCaseSensitive, - fileName: rawItem.fileName, - textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), - containerName: container && container.name ? container.name.text : "", - containerKind: container && container.name ? ts.getNodeKind(container) : "" - }; - } - } - NavigateTo.getNavigateToItems = getNavigateToItems; - })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var NavigationBar; - (function (NavigationBar) { - function getNavigationBarItems(sourceFile) { - curSourceFile = sourceFile; - var result = ts.map(topLevelItems(rootNavigationBarNode(sourceFile)), convertToTopLevelItem); - curSourceFile = undefined; - return result; - } - NavigationBar.getNavigationBarItems = getNavigationBarItems; - function getNavigationTree(sourceFile) { - curSourceFile = sourceFile; - var result = convertToTree(rootNavigationBarNode(sourceFile)); - curSourceFile = undefined; - return result; - } - NavigationBar.getNavigationTree = getNavigationTree; - var curSourceFile; - function nodeText(node) { - return node.getText(curSourceFile); - } - function navigationBarNodeKind(n) { - return n.node.kind; - } - function pushChild(parent, child) { - if (parent.children) { - parent.children.push(child); - } - else { - parent.children = [child]; - } - } - var parentsStack = []; - var parent; - function rootNavigationBarNode(sourceFile) { - ts.Debug.assert(!parentsStack.length); - var root = { node: sourceFile, additionalNodes: undefined, parent: undefined, children: undefined, indent: 0 }; - parent = root; - for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - addChildrenRecursively(statement); - } - endNode(); - ts.Debug.assert(!parent && !parentsStack.length); - return root; - } - function addLeafNode(node) { - pushChild(parent, emptyNavigationBarNode(node)); - } - function emptyNavigationBarNode(node) { - return { - node: node, - additionalNodes: undefined, - parent: parent, - children: undefined, - indent: parent.indent + 1 - }; - } - function startNode(node) { - var navNode = emptyNavigationBarNode(node); - pushChild(parent, navNode); - parentsStack.push(parent); - parent = navNode; - } - function endNode() { - if (parent.children) { - mergeChildren(parent.children); - sortChildren(parent.children); - } - parent = parentsStack.pop(); - } - function addNodeWithRecursiveChild(node, child) { - startNode(node); - addChildrenRecursively(child); - endNode(); - } - function addChildrenRecursively(node) { - if (!node || ts.isToken(node)) { - return; + return topLevelTypeReference; } - switch (node.kind) { - case 149: - var ctr = node; - addNodeWithRecursiveChild(ctr, ctr.body); - for (var _i = 0, _a = ctr.parameters; _i < _a.length; _i++) { - var param = _a[_i]; - if (ts.isParameterPropertyDeclaration(param)) { - addLeafNode(param); - } + function getContainingClassIfInHeritageClause(node) { + if (node && node.parent) { + if (node.kind === 195 + && node.parent.kind === 251 + && ts.isClassLike(node.parent.parent)) { + return node.parent.parent; } - break; - case 148: - case 150: - case 151: - case 147: - if (!ts.hasDynamicName(node)) { - addNodeWithRecursiveChild(node, node.body); + else if (node.kind === 70 || node.kind === 173) { + return getContainingClassIfInHeritageClause(node.parent); } - break; - case 146: - case 145: - if (!ts.hasDynamicName(node)) { - addLeafNode(node); + } + return undefined; + } + function isImplementationExpression(node) { + if (node.kind === 179) { + return isImplementationExpression(node.expression); + } + return node.kind === 181 || + node.kind === 180 || + node.kind === 172 || + node.kind === 193 || + node.kind === 171; + } + function explicitlyInheritsFrom(child, parent, cachedResults) { + var parentIsInterface = parent.getFlags() & 64; + return searchHierarchy(child); + function searchHierarchy(symbol) { + if (symbol === parent) { + return true; } - break; - case 232: - var importClause = node; - if (importClause.name) { - addLeafNode(importClause); + var key = ts.getSymbolId(symbol) + "," + ts.getSymbolId(parent); + if (key in cachedResults) { + return cachedResults[key]; } - var namedBindings = importClause.namedBindings; - if (namedBindings) { - if (namedBindings.kind === 233) { - addLeafNode(namedBindings); + cachedResults[key] = false; + var inherits = ts.forEach(symbol.getDeclarations(), function (declaration) { + if (ts.isClassLike(declaration)) { + if (parentIsInterface) { + var interfaceReferences = ts.getClassImplementsHeritageClauseElements(declaration); + if (interfaceReferences) { + for (var _i = 0, interfaceReferences_1 = interfaceReferences; _i < interfaceReferences_1.length; _i++) { + var typeReference = interfaceReferences_1[_i]; + if (searchTypeReference(typeReference)) { + return true; + } + } + } + } + return searchTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); } - else { - for (var _b = 0, _c = namedBindings.elements; _b < _c.length; _b++) { - var element = _c[_b]; - addLeafNode(element); + else if (declaration.kind === 223) { + if (parentIsInterface) { + return ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), searchTypeReference); } } + return false; + }); + cachedResults[key] = inherits; + return inherits; + } + function searchTypeReference(typeReference) { + if (typeReference) { + var type = typeChecker.getTypeAtLocation(typeReference); + if (type && type.symbol) { + return searchHierarchy(type.symbol); + } } - break; - case 170: - case 219: - var decl = node; - var name_50 = decl.name; - if (ts.isBindingPattern(name_50)) { - addChildrenRecursively(name_50); - } - else if (decl.initializer && isFunctionOrClassExpression(decl.initializer)) { - addChildrenRecursively(decl.initializer); + return false; + } + } + function getReferencesForSuperKeyword(superKeyword) { + var searchSpaceNode = ts.getSuperContainer(superKeyword, false); + if (!searchSpaceNode) { + return undefined; + } + var staticFlag = 32; + switch (searchSpaceNode.kind) { + case 146: + case 145: + case 148: + case 147: + case 149: + case 150: + case 151: + staticFlag &= ts.getModifierFlags(searchSpaceNode); + searchSpaceNode = searchSpaceNode.parent; + break; + default: + return undefined; + } + var references = []; + var sourceFile = searchSpaceNode.getSourceFile(); + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.kind !== 96) { + return; } - else { - addNodeWithRecursiveChild(decl, decl.initializer); + var container = ts.getSuperContainer(node, false); + if (container && (32 & ts.getModifierFlags(container)) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { + references.push(getReferenceEntryFromNode(node)); } - break; - case 181: - case 221: - case 180: - addNodeWithRecursiveChild(node, node.body); - break; - case 225: - startNode(node); - for (var _d = 0, _e = node.members; _d < _e.length; _d++) { - var member = _e[_d]; - if (!isComputedProperty(member)) { - addLeafNode(member); + }); + var definition = getDefinition(searchSpaceNode.symbol); + return [{ definition: definition, references: references }]; + } + function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { + var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, false); + var staticFlag = 32; + switch (searchSpaceNode.kind) { + case 148: + case 147: + if (ts.isObjectLiteralMethod(searchSpaceNode)) { + break; } - } - endNode(); - break; - case 222: - case 193: - case 223: - startNode(node); - for (var _f = 0, _g = node.members; _f < _g.length; _f++) { - var member = _g[_f]; - addChildrenRecursively(member); - } - endNode(); - break; - case 226: - addNodeWithRecursiveChild(node, getInteriorModule(node).body); - break; - case 239: - case 230: - case 154: - case 152: - case 153: - case 224: - addLeafNode(node); - break; - default: - ts.forEach(node.jsDocComments, function (jsDocComment) { - ts.forEach(jsDocComment.tags, function (tag) { - if (tag.kind === 279) { - addLeafNode(tag); - } - }); + case 146: + case 145: + case 149: + case 150: + case 151: + staticFlag &= ts.getModifierFlags(searchSpaceNode); + searchSpaceNode = searchSpaceNode.parent; + break; + case 256: + if (ts.isExternalModule(searchSpaceNode)) { + return undefined; + } + case 221: + case 180: + break; + default: + return undefined; + } + var references = []; + var possiblePositions; + if (searchSpaceNode.kind === 256) { + ts.forEach(sourceFiles, function (sourceFile) { + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); + getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); }); - ts.forEachChild(node, addChildrenRecursively); + } + else { + var sourceFile = searchSpaceNode.getSourceFile(); + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); + } + var thisOrSuperSymbol = typeChecker.getSymbolAtLocation(thisOrSuperKeyword); + var displayParts = thisOrSuperSymbol && ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, thisOrSuperSymbol, thisOrSuperKeyword.getSourceFile(), ts.getContainerNode(thisOrSuperKeyword), thisOrSuperKeyword).displayParts; + return [{ + definition: { + containerKind: "", + containerName: "", + fileName: node.getSourceFile().fileName, + kind: ts.ScriptElementKind.variableElement, + name: "this", + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + displayParts: displayParts + }, + references: references + }]; + function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || !ts.isThis(node)) { + return; + } + var container = ts.getThisContainer(node, false); + switch (searchSpaceNode.kind) { + case 180: + case 221: + if (searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 148: + case 147: + if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 193: + case 222: + if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (ts.getModifierFlags(container) & 32) === staticFlag) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 256: + if (container.kind === 256 && !ts.isExternalModule(container)) { + result.push(getReferenceEntryFromNode(node)); + } + break; + } + }); + } } - } - function mergeChildren(children) { - var nameToItems = ts.createMap(); - ts.filterMutate(children, function (child) { - var decl = child.node; - var name = decl.name && nodeText(decl.name); - if (!name) { - return true; + function getReferencesForStringLiteral(node, sourceFiles) { + var type = ts.getStringLiteralTypeForNode(node, typeChecker); + if (!type) { + return undefined; } - var itemsWithSameName = nameToItems[name]; - if (!itemsWithSameName) { - nameToItems[name] = child; - return true; + var references = []; + for (var _i = 0, sourceFiles_9 = sourceFiles; _i < sourceFiles_9.length; _i++) { + var sourceFile = sourceFiles_9[_i]; + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, type.text, sourceFile.getStart(), sourceFile.getEnd()); + getReferencesForStringLiteralInFile(sourceFile, type, possiblePositions, references); } - if (itemsWithSameName instanceof Array) { - for (var _i = 0, itemsWithSameName_1 = itemsWithSameName; _i < itemsWithSameName_1.length; _i++) { - var itemWithSameName = itemsWithSameName_1[_i]; - if (tryMerge(itemWithSameName, child)) { - return false; + return [{ + definition: { + containerKind: "", + containerName: "", + fileName: node.getSourceFile().fileName, + kind: ts.ScriptElementKind.variableElement, + name: type.text, + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + displayParts: [ts.displayPart(ts.getTextOfNode(node), ts.SymbolDisplayPartKind.stringLiteral)] + }, + references: references + }]; + function getReferencesForStringLiteralInFile(sourceFile, searchType, possiblePositions, references) { + for (var _i = 0, possiblePositions_1 = possiblePositions; _i < possiblePositions_1.length; _i++) { + var position = possiblePositions_1[_i]; + cancellationToken.throwIfCancellationRequested(); + var node_2 = ts.getTouchingWord(sourceFile, position); + if (!node_2 || node_2.kind !== 9) { + return; + } + var type_2 = ts.getStringLiteralTypeForNode(node_2, typeChecker); + if (type_2 === searchType) { + references.push(getReferenceEntryFromNode(node_2)); } } - itemsWithSameName.push(child); - return true; } - else { - var itemWithSameName = itemsWithSameName; - if (tryMerge(itemWithSameName, child)) { - return false; + } + function populateSearchSymbolSet(symbol, location) { + var result = [symbol]; + var containingObjectLiteralElement = getContainingObjectLiteralElement(location); + if (containingObjectLiteralElement && containingObjectLiteralElement.kind !== 254) { + var propertySymbol = getPropertySymbolOfDestructuringAssignment(location); + if (propertySymbol) { + result.push(propertySymbol); } - nameToItems[name] = [itemWithSameName, child]; - return true; } - function tryMerge(a, b) { - if (shouldReallyMerge(a.node, b.node)) { - merge(a, b); - return true; + var aliasSymbol = getAliasSymbolForPropertyNameSymbol(symbol, location); + if (aliasSymbol) { + result = result.concat(populateSearchSymbolSet(aliasSymbol, location)); + } + if (containingObjectLiteralElement) { + ts.forEach(getPropertySymbolsFromContextualType(containingObjectLiteralElement), function (contextualSymbol) { + ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); + }); + var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); + if (shorthandValueSymbol) { + result.push(shorthandValueSymbol); } - return false; } - }); - function shouldReallyMerge(a, b) { - return a.kind === b.kind && (a.kind !== 226 || areSameModule(a, b)); - function areSameModule(a, b) { - if (a.body.kind !== b.body.kind) { - return false; + if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 143 && + ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { + result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); + } + var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol); + if (bindingElementPropertySymbol) { + result.push(bindingElementPropertySymbol); + } + ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + if (rootSymbol !== symbol) { + result.push(rootSymbol); } - if (a.body.kind !== 226) { - return true; + if (!implementations && rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, ts.createMap()); } - return areSameModule(a.body, b.body); - } + }); + return result; } - function merge(target, source) { - target.additionalNodes = target.additionalNodes || []; - target.additionalNodes.push(source.node); - if (source.additionalNodes) { - (_a = target.additionalNodes).push.apply(_a, source.additionalNodes); + function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { + if (!symbol) { + return; } - target.children = ts.concatenate(target.children, source.children); - if (target.children) { - mergeChildren(target.children); - sortChildren(target.children); + if (symbol.name in previousIterationSymbolsCache) { + return; + } + if (symbol.flags & (32 | 64)) { + ts.forEach(symbol.getDeclarations(), function (declaration) { + if (ts.isClassLike(declaration)) { + getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); + ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); + } + else if (declaration.kind === 223) { + ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); + } + }); + } + return; + function getPropertySymbolFromTypeReference(typeReference) { + if (typeReference) { + var type = typeChecker.getTypeAtLocation(typeReference); + if (type) { + var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); + if (propertySymbol) { + result.push.apply(result, typeChecker.getRootSymbols(propertySymbol)); + } + previousIterationSymbolsCache[symbol.name] = symbol; + getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); + } + } } - var _a; - } - } - function sortChildren(children) { - children.sort(compareChildren); - } - function compareChildren(child1, child2) { - var name1 = tryGetName(child1.node), name2 = tryGetName(child2.node); - if (name1 && name2) { - var cmp = localeCompareFix(name1, name2); - return cmp !== 0 ? cmp : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); - } - else { - return name1 ? 1 : name2 ? -1 : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); } - } - var localeCompareIsCorrect = ts.collator && ts.collator.compare("a", "B") < 0; - var localeCompareFix = localeCompareIsCorrect ? ts.collator.compare : function (a, b) { - for (var i = 0; i < Math.min(a.length, b.length); i++) { - var chA = a.charAt(i), chB = b.charAt(i); - if (chA === "\"" && chB === "'") { - return 1; + function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation, searchLocationIsConstructor, parents, cache) { + if (ts.contains(searchSymbols, referenceSymbol)) { + return (!searchLocationIsConstructor || ts.isNewExpressionTarget(referenceLocation)) && referenceSymbol; } - if (chA === "'" && chB === "\"") { - return -1; + var aliasSymbol = getAliasSymbolForPropertyNameSymbol(referenceSymbol, referenceLocation); + if (aliasSymbol) { + return getRelatedSymbol(searchSymbols, aliasSymbol, referenceLocation, searchLocationIsConstructor, parents, cache); } - var cmp = ts.compareStrings(chA.toLocaleLowerCase(), chB.toLocaleLowerCase()); - if (cmp !== 0) { - return cmp; + var containingObjectLiteralElement = getContainingObjectLiteralElement(referenceLocation); + if (containingObjectLiteralElement) { + var contextualSymbol = ts.forEach(getPropertySymbolsFromContextualType(containingObjectLiteralElement), function (contextualSymbol) { + return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + }); + if (contextualSymbol) { + return contextualSymbol; + } + var propertySymbol = getPropertySymbolOfDestructuringAssignment(referenceLocation); + if (propertySymbol && searchSymbols.indexOf(propertySymbol) >= 0) { + return propertySymbol; + } } - } - return a.length - b.length; - }; - function tryGetName(node) { - if (node.kind === 226) { - return getModuleName(node); - } - var decl = node; - if (decl.name) { - return ts.getPropertyNameForPropertyNameNode(decl.name); - } - switch (node.kind) { - case 180: - case 181: - case 193: - return getFunctionOrClassName(node); - case 279: - return getJSDocTypedefTagName(node); - default: - return undefined; - } - } - function getItemName(node) { - if (node.kind === 226) { - return getModuleName(node); - } - var name = node.name; - if (name) { - var text = nodeText(name); - if (text.length > 0) { - return text; + var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(referenceSymbol); + if (bindingElementPropertySymbol && searchSymbols.indexOf(bindingElementPropertySymbol) >= 0) { + return bindingElementPropertySymbol; } - } - switch (node.kind) { - case 256: - var sourceFile = node; - return ts.isExternalModule(sourceFile) - ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(sourceFile.fileName)))) + "\"" - : ""; - case 181: - case 221: - case 180: - case 222: - case 193: - if (ts.getModifierFlags(node) & 512) { - return "default"; + return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { + if (searchSymbols.indexOf(rootSymbol) >= 0) { + return rootSymbol; } - return getFunctionOrClassName(node); - case 149: - return "constructor"; - case 153: - return "new()"; - case 152: - return "()"; - case 154: - return "[]"; - case 279: - return getJSDocTypedefTagName(node); - default: - return ""; + if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { + if (parents) { + if (!ts.forEach(parents, function (parent) { return explicitlyInheritsFrom(rootSymbol.parent, parent, cache); })) { + return undefined; + } + } + var result_3 = []; + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_3, ts.createMap()); + return ts.forEach(result_3, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + } + return undefined; + }); } - } - function getJSDocTypedefTagName(node) { - if (node.name) { + function getNameFromObjectLiteralElement(node) { + if (node.name.kind === 141) { + var nameExpression = node.name.expression; + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + return undefined; + } return node.name.text; } - else { - var parentNode = node.parent && node.parent.parent; - if (parentNode && parentNode.kind === 201) { - if (parentNode.declarationList.declarations.length > 0) { - var nameIdentifier = parentNode.declarationList.declarations[0].name; - if (nameIdentifier.kind === 70) { - return nameIdentifier.text; + function getPropertySymbolsFromContextualType(node) { + var objectLiteral = node.parent; + var contextualType = typeChecker.getContextualType(objectLiteral); + var name = getNameFromObjectLiteralElement(node); + if (name && contextualType) { + var result_4 = []; + var symbol_2 = contextualType.getProperty(name); + if (symbol_2) { + result_4.push(symbol_2); + } + if (contextualType.flags & 65536) { + ts.forEach(contextualType.types, function (t) { + var symbol = t.getProperty(name); + if (symbol) { + result_4.push(symbol); + } + }); + } + return result_4; + } + return undefined; + } + function getIntersectingMeaningFromDeclarations(meaning, declarations) { + if (declarations) { + var lastIterationMeaning = void 0; + do { + lastIterationMeaning = meaning; + for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { + var declaration = declarations_8[_i]; + var declarationMeaning = ts.getMeaningFromDeclaration(declaration); + if (declarationMeaning & meaning) { + meaning |= declarationMeaning; + } } - } + } while (meaning !== lastIterationMeaning); } - return ""; + return meaning; } } - function topLevelItems(root) { - var topLevel = []; - function recur(item) { - if (isTopLevel(item)) { - topLevel.push(item); - if (item.children) { - for (var _i = 0, _a = item.children; _i < _a.length; _i++) { - var child = _a[_i]; - recur(child); - } - } + FindAllReferences.getReferencedSymbolsForNode = getReferencedSymbolsForNode; + function convertReferences(referenceSymbols) { + if (!referenceSymbols) { + return undefined; + } + var referenceEntries = []; + for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { + var referenceSymbol = referenceSymbols_1[_i]; + ts.addRange(referenceEntries, referenceSymbol.references); + } + return referenceEntries; + } + FindAllReferences.convertReferences = convertReferences; + function isImplementation(node) { + if (!node) { + return false; + } + else if (ts.isVariableLike(node)) { + if (node.initializer) { + return true; + } + else if (node.kind === 219) { + var parentStatement = getParentStatementOfVariableDeclaration(node); + return parentStatement && ts.hasModifier(parentStatement, 2); } } - recur(root); - return topLevel; - function isTopLevel(item) { - switch (navigationBarNodeKind(item)) { + else if (ts.isFunctionLike(node)) { + return !!node.body || ts.hasModifier(node, 2); + } + else { + switch (node.kind) { case 222: case 193: case 225: - case 223: case 226: - case 256: - case 224: - case 279: return true; - case 149: - case 148: - case 150: - case 151: - case 219: - return hasSomeImportantChild(item); - case 181: - case 221: - case 180: - return isTopLevelFunctionDeclaration(item); - default: - return false; } - function isTopLevelFunctionDeclaration(item) { - if (!item.node.body) { - return false; - } - switch (navigationBarNodeKind(item.parent)) { - case 227: - case 256: - case 148: - case 149: - return true; - default: - return hasSomeImportantChild(item); + } + return false; + } + function getParentStatementOfVariableDeclaration(node) { + if (node.parent && node.parent.parent && node.parent.parent.kind === 201) { + ts.Debug.assert(node.parent.kind === 220); + return node.parent.parent; + } + } + function getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result) { + var refSymbol = typeChecker.getSymbolAtLocation(node); + var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(refSymbol.valueDeclaration); + if (shorthandSymbol) { + for (var _i = 0, _a = shorthandSymbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.getMeaningFromDeclaration(declaration) & 1) { + result.push(getReferenceEntryFromNode(declaration)); } } - function hasSomeImportantChild(item) { - return ts.forEach(item.children, function (child) { - var childKind = navigationBarNodeKind(child); - return childKind !== 219 && childKind !== 170; - }); - } } } - var emptyChildItemArray = []; - function convertToTree(n) { + FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment = getReferenceEntriesForShorthandPropertyAssignment; + function getReferenceEntryFromNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + if (node.kind === 9) { + start += 1; + end -= 1; + } return { - text: getItemName(n.node), - kind: ts.getNodeKind(n.node), - kindModifiers: ts.getNodeModifiers(n.node), - spans: getSpans(n), - childItems: ts.map(n.children, convertToTree) + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + isWriteAccess: isWriteAccess(node), + isDefinition: ts.isDeclarationName(node) || ts.isLiteralComputedPropertyDeclarationName(node) }; } - function convertToTopLevelItem(n) { - return { - text: getItemName(n.node), - kind: ts.getNodeKind(n.node), - kindModifiers: ts.getNodeModifiers(n.node), - spans: getSpans(n), - childItems: ts.map(n.children, convertToChildItem) || emptyChildItemArray, - indent: n.indent, - bolded: false, - grayed: false - }; - function convertToChildItem(n) { - return { - text: getItemName(n.node), - kind: ts.getNodeKind(n.node), - kindModifiers: ts.getNodeModifiers(n.node), - spans: getSpans(n), - childItems: emptyChildItemArray, - indent: 0, - bolded: false, - grayed: false - }; + FindAllReferences.getReferenceEntryFromNode = getReferenceEntryFromNode; + function isWriteAccess(node) { + if (node.kind === 70 && ts.isDeclarationName(node)) { + return true; } - } - function getSpans(n) { - var spans = [getNodeSpan(n.node)]; - if (n.additionalNodes) { - for (var _i = 0, _a = n.additionalNodes; _i < _a.length; _i++) { - var node = _a[_i]; - spans.push(getNodeSpan(node)); + var parent = node.parent; + if (parent) { + if (parent.kind === 187 || parent.kind === 186) { + return true; + } + else if (parent.kind === 188 && parent.left === node) { + var operator = parent.operatorToken.kind; + return 57 <= operator && operator <= 69; } } - return spans; + return false; } - function getModuleName(moduleDeclaration) { - if (ts.isAmbientModule(moduleDeclaration)) { - return ts.getTextOfNode(moduleDeclaration.name); - } - var result = []; - result.push(moduleDeclaration.name.text); - while (moduleDeclaration.body && moduleDeclaration.body.kind === 226) { - moduleDeclaration = moduleDeclaration.body; - result.push(moduleDeclaration.name.text); - } - return result.join("."); + function forEachDescendantOfKind(node, kind, action) { + ts.forEachChild(node, function (child) { + if (child.kind === kind) { + action(child); + } + forEachDescendantOfKind(child, kind, action); + }); } - function getInteriorModule(decl) { - return decl.body.kind === 226 ? getInteriorModule(decl.body) : decl; + function getContainingObjectLiteralElement(node) { + switch (node.kind) { + case 9: + case 8: + if (node.parent.kind === 141) { + return isObjectLiteralPropertyDeclaration(node.parent.parent) ? node.parent.parent : undefined; + } + case 70: + return isObjectLiteralPropertyDeclaration(node.parent) && node.parent.name === node ? node.parent : undefined; + } + return undefined; } - function isComputedProperty(member) { - return !member.name || member.name.kind === 141; + function isObjectLiteralPropertyDeclaration(node) { + switch (node.kind) { + case 253: + case 254: + case 148: + case 150: + case 151: + return true; + } + return false; } - function getNodeSpan(node) { - return node.kind === 256 - ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) - : ts.createTextSpanFromBounds(node.getStart(curSourceFile), node.getEnd()); + function tryGetClassByExtendingIdentifier(node) { + return ts.tryGetClassExtendingExpressionWithTypeArguments(ts.climbPastPropertyAccess(node).parent); } - function getFunctionOrClassName(node) { - if (node.name && ts.getFullWidth(node.name) > 0) { - return ts.declarationNameToString(node.name); - } - else if (node.parent.kind === 219) { - return ts.declarationNameToString(node.parent.name); - } - else if (node.parent.kind === 188 && - node.parent.operatorToken.kind === 57) { - return nodeText(node.parent.left); - } - else if (node.parent.kind === 253 && node.parent.name) { - return nodeText(node.parent.name); - } - else if (ts.getModifierFlags(node) & 512) { - return "default"; - } - else { - return ts.isClassLike(node) ? "" : ""; + function isNameOfExternalModuleImportOrDeclaration(node) { + if (node.kind === 9) { + return ts.isNameOfModuleDeclaration(node) || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node); } + return false; } - function isFunctionOrClassExpression(node) { - return node.kind === 180 || node.kind === 181 || node.kind === 193; - } - })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); + })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {})); })(ts || (ts = {})); var ts; (function (ts) { - var OutliningElementsCollector; - (function (OutliningElementsCollector) { - function collectElements(sourceFile) { - var elements = []; - var collapseText = "..."; - function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { - if (hintSpanNode && startElement && endElement) { - var span_12 = { - textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), - hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span_12); + var GoToDefinition; + (function (GoToDefinition) { + function getDefinitionAtPosition(program, sourceFile, position) { + var comment = findReferenceInPosition(sourceFile.referencedFiles, position); + if (comment) { + var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); + if (referenceFile) { + return [getDefinitionInfoForFileReference(comment.fileName, referenceFile.fileName)]; } + return undefined; } - function addOutliningSpanComments(commentSpan, autoCollapse) { - if (commentSpan) { - var span_13 = { - textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span_13); + var typeReferenceDirective = findReferenceInPosition(sourceFile.typeReferenceDirectives, position); + if (typeReferenceDirective) { + var referenceFile = program.getResolvedTypeReferenceDirectives()[typeReferenceDirective.fileName]; + if (referenceFile && referenceFile.resolvedFileName) { + return [getDefinitionInfoForFileReference(typeReferenceDirective.fileName, referenceFile.resolvedFileName)]; } + return undefined; } - function addOutliningForLeadingCommentsForNode(n) { - var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); - if (comments) { - var firstSingleLineCommentStart = -1; - var lastSingleLineCommentEnd = -1; - var isFirstSingleLineComment = true; - var singleLineCommentCount = 0; - for (var _i = 0, comments_4 = comments; _i < comments_4.length; _i++) { - var currentComment = comments_4[_i]; - if (currentComment.kind === 2) { - if (isFirstSingleLineComment) { - firstSingleLineCommentStart = currentComment.pos; - } - isFirstSingleLineComment = false; - lastSingleLineCommentEnd = currentComment.end; - singleLineCommentCount++; - } - else if (currentComment.kind === 3) { - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - addOutliningSpanComments(currentComment, false); - singleLineCommentCount = 0; - lastSingleLineCommentEnd = -1; - isFirstSingleLineComment = true; - } - } - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - } + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { + return undefined; } - function combineAndAddMultipleSingleLineComments(count, start, end) { - if (count > 1) { - var multipleSingleLineComments = { - pos: start, - end: end, - kind: 2 - }; - addOutliningSpanComments(multipleSingleLineComments, false); - } + if (ts.isJumpStatementTarget(node)) { + var labelName = node.text; + var label = ts.getTargetLabel(node.parent, node.text); + return label ? [createDefinitionInfo(label, ts.ScriptElementKind.label, labelName, undefined)] : undefined; } - function autoCollapse(node) { - return ts.isFunctionBlock(node) && node.parent.kind !== 181; + var typeChecker = program.getTypeChecker(); + var calledDeclaration = tryGetSignatureDeclaration(typeChecker, node); + if (calledDeclaration) { + return [createDefinitionFromSignatureDeclaration(typeChecker, calledDeclaration)]; } - var depth = 0; - var maxDepth = 20; - function walk(n) { - if (depth > maxDepth) { - return; - } - if (ts.isDeclaration(n)) { - addOutliningForLeadingCommentsForNode(n); - } - switch (n.kind) { - case 200: - if (!ts.isFunctionBlock(n)) { - var parent_22 = n.parent; - var openBrace = ts.findChildOfKind(n, 16, sourceFile); - var closeBrace = ts.findChildOfKind(n, 17, sourceFile); - if (parent_22.kind === 205 || - parent_22.kind === 208 || - parent_22.kind === 209 || - parent_22.kind === 207 || - parent_22.kind === 204 || - parent_22.kind === 206 || - parent_22.kind === 213 || - parent_22.kind === 252) { - addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); - break; - } - if (parent_22.kind === 217) { - var tryStatement = parent_22; - if (tryStatement.tryBlock === n) { - addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); - break; - } - else if (tryStatement.finallyBlock === n) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); - if (finallyKeyword) { - addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); - break; - } - } - } - var span_14 = ts.createTextSpanFromBounds(n.getStart(), n.end); - elements.push({ - textSpan: span_14, - hintSpan: span_14, - bannerText: collapseText, - autoCollapse: autoCollapse(n) - }); - break; - } - case 227: { - var openBrace = ts.findChildOfKind(n, 16, sourceFile); - var closeBrace = ts.findChildOfKind(n, 17, sourceFile); - addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 222: - case 223: - case 225: - case 172: - case 228: { - var openBrace = ts.findChildOfKind(n, 16, sourceFile); - var closeBrace = ts.findChildOfKind(n, 17, sourceFile); - addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 171: - var openBracket = ts.findChildOfKind(n, 20, sourceFile); - var closeBracket = ts.findChildOfKind(n, 21, sourceFile); - addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); - break; + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + return undefined; + } + if (symbol.flags & 8388608) { + var declaration = symbol.declarations[0]; + if (node.kind === 70 && + (node.parent === declaration || + (declaration.kind === 235 && declaration.parent && declaration.parent.kind === 234))) { + symbol = typeChecker.getAliasedSymbol(symbol); } - depth++; - ts.forEachChild(n, walk); - depth--; } - walk(sourceFile); - return elements; - } - OutliningElementsCollector.collectElements = collectElements; - })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - (function (PatternMatchKind) { - PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; - PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; - PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; - PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; - })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); - var PatternMatchKind = ts.PatternMatchKind; - function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { - return { - kind: kind, - punctuationStripped: punctuationStripped, - isCaseSensitive: isCaseSensitive, - camelCaseWeight: camelCaseWeight - }; - } - function createPatternMatcher(pattern) { - var stringToWordSpans = ts.createMap(); - pattern = pattern.trim(); - var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); - var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); - return { - getMatches: getMatches, - getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, - patternContainsDots: dotSeparatedSegments.length > 1 - }; - function skipMatch(candidate) { - return invalidPattern || !candidate; - } - function getMatchesForLastSegmentOfPattern(candidate) { - if (skipMatch(candidate)) { - return undefined; + if (node.parent.kind === 254) { + var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); + if (!shorthandSymbol) { + return []; + } + var shorthandDeclarations = shorthandSymbol.getDeclarations(); + var shorthandSymbolKind_1 = ts.SymbolDisplay.getSymbolKind(typeChecker, shorthandSymbol, node); + var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); + var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); + return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); } - return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + return getDefinitionFromSymbol(typeChecker, symbol, node); } - function getMatches(candidateContainers, candidate) { - if (skipMatch(candidate)) { - return undefined; - } - var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - if (!candidateMatch) { + GoToDefinition.getDefinitionAtPosition = getDefinitionAtPosition; + function getTypeDefinitionAtPosition(typeChecker, sourceFile, position) { + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { return undefined; } - candidateContainers = candidateContainers || []; - if (dotSeparatedSegments.length - 1 > candidateContainers.length) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { return undefined; } - var totalMatch = candidateMatch; - for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { - var segment = dotSeparatedSegments[i]; - var containerName = candidateContainers[j]; - var containerMatch = matchSegment(containerName, segment); - if (!containerMatch) { - return undefined; - } - ts.addRange(totalMatch, containerMatch); + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); + if (!type) { + return undefined; } - return totalMatch; - } - function getWordSpans(word) { - if (!(word in stringToWordSpans)) { - stringToWordSpans[word] = breakIntoWordSpans(word); + if (type.flags & 65536 && !(type.flags & 16)) { + var result_5 = []; + ts.forEach(type.types, function (t) { + if (t.symbol) { + ts.addRange(result_5, getDefinitionFromSymbol(typeChecker, t.symbol, node)); + } + }); + return result_5; } - return stringToWordSpans[word]; + if (!type.symbol) { + return undefined; + } + return getDefinitionFromSymbol(typeChecker, type.symbol, node); } - function matchTextChunk(candidate, chunk, punctuationStripped) { - var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); - if (index === 0) { - if (chunk.text.length === candidate.length) { - return createPatternMatch(PatternMatchKind.exact, punctuationStripped, candidate === chunk.text); - } - else { - return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, ts.startsWith(candidate, chunk.text)); - } + GoToDefinition.getTypeDefinitionAtPosition = getTypeDefinitionAtPosition; + function getDefinitionFromSymbol(typeChecker, symbol, node) { + var result = []; + var declarations = symbol.getDeclarations(); + var _a = getSymbolInfo(typeChecker, symbol, node), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; + if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && + !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { + ts.forEach(declarations, function (declaration) { + result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); + }); } - var isLowercase = chunk.isLowerCase; - if (isLowercase) { - if (index > 0) { - var wordSpans = getWordSpans(candidate); - for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { - var span_15 = wordSpans_1[_i]; - if (partStartsWith(candidate, span_15, chunk.text, true)) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, partStartsWith(candidate, span_15, chunk.text, false)); + return result; + function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (ts.isNewExpressionTarget(location) || location.kind === 122) { + if (symbol.flags & 32) { + for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.isClassLike(declaration)) { + return tryAddSignature(declaration.members, true, symbolKind, symbolName, containerName, result); + } } + ts.Debug.fail("Expected declaration to have at least one class-like declaration"); } } + return false; } - else { - if (candidate.indexOf(chunk.text) > 0) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, true); - } - } - if (!isLowercase) { - if (chunk.characterSpans.length > 0) { - var candidateParts = getWordSpans(candidate); - var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, false); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, true, camelCaseWeight); - } - camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, true); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, false, camelCaseWeight); - } + function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location) || ts.isNameOfFunctionDeclaration(location)) { + return tryAddSignature(symbol.declarations, false, symbolKind, symbolName, containerName, result); } + return false; } - if (isLowercase) { - if (chunk.text.length < candidate.length) { - if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, false); + function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { + var declarations = []; + var definition; + ts.forEach(signatureDeclarations, function (d) { + if ((selectConstructors && d.kind === 149) || + (!selectConstructors && (d.kind === 221 || d.kind === 148 || d.kind === 147))) { + declarations.push(d); + if (d.body) + definition = d; } + }); + if (definition) { + result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); + return true; } - } - return undefined; - } - function containsSpaceOrAsterisk(text) { - for (var i = 0; i < text.length; i++) { - var ch = text.charCodeAt(i); - if (ch === 32 || ch === 42) { + else if (declarations.length) { + result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); return true; } + return false; } - return false; } - function matchSegment(candidate, segment) { - if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { - var match = matchTextChunk(candidate, segment.totalTextChunk, false); - if (match) { - return [match]; - } - } - var subWordTextChunks = segment.subWordTextChunks; - var matches = undefined; - for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { - var subWordTextChunk = subWordTextChunks_1[_i]; - var result = matchTextChunk(candidate, subWordTextChunk, true); - if (!result) { - return undefined; + function createDefinitionInfo(node, symbolKind, symbolName, containerName) { + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + kind: symbolKind, + name: symbolName, + containerKind: undefined, + containerName: containerName + }; + } + function getSymbolInfo(typeChecker, symbol, node) { + return { + symbolName: typeChecker.symbolToString(symbol), + symbolKind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node), + containerName: symbol.parent ? typeChecker.symbolToString(symbol.parent, node) : "" + }; + } + function createDefinitionFromSignatureDeclaration(typeChecker, decl) { + var _a = getSymbolInfo(typeChecker, decl.symbol, decl), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; + return createDefinitionInfo(decl, symbolKind, symbolName, containerName); + } + function findReferenceInPosition(refs, pos) { + for (var _i = 0, refs_1 = refs; _i < refs_1.length; _i++) { + var ref = refs_1[_i]; + if (ref.pos <= pos && pos < ref.end) { + return ref; } - matches = matches || []; - matches.push(result); } - return matches; + return undefined; } - function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { - var patternPartStart = patternSpan ? patternSpan.start : 0; - var patternPartLength = patternSpan ? patternSpan.length : pattern.length; - if (patternPartLength > candidateSpan.length) { - return false; + function getDefinitionInfoForFileReference(name, targetFileName) { + return { + fileName: targetFileName, + textSpan: ts.createTextSpanFromBounds(0, 0), + kind: ts.ScriptElementKind.scriptElement, + name: name, + containerName: undefined, + containerKind: undefined + }; + } + function getAncestorCallLikeExpression(node) { + var target = climbPastManyPropertyAccesses(node); + var callLike = target.parent; + return callLike && ts.isCallLikeExpression(callLike) && ts.getInvokedExpression(callLike) === target && callLike; + } + function climbPastManyPropertyAccesses(node) { + return ts.isRightSideOfPropertyAccess(node) ? climbPastManyPropertyAccesses(node.parent) : node; + } + function tryGetSignatureDeclaration(typeChecker, node) { + var callLike = getAncestorCallLikeExpression(node); + return callLike && typeChecker.getResolvedSignature(callLike).declaration; + } + })(GoToDefinition = ts.GoToDefinition || (ts.GoToDefinition = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var GoToImplementation; + (function (GoToImplementation) { + function getImplementationAtPosition(typeChecker, cancellationToken, sourceFiles, node) { + if (node.parent.kind === 254) { + var result = []; + ts.FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result); + return result.length > 0 ? result : undefined; } - if (ignoreCase) { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (toLowerCase(ch1) !== toLowerCase(ch2)) { - return false; - } - } + else if (node.kind === 96 || ts.isSuperProperty(node.parent)) { + var symbol = typeChecker.getSymbolAtLocation(node); + return symbol.valueDeclaration && [ts.FindAllReferences.getReferenceEntryFromNode(symbol.valueDeclaration)]; } else { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (ch1 !== ch2) { - return false; - } - } + var referencedSymbols = ts.FindAllReferences.getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, false, false, true); + var result = ts.flatMap(referencedSymbols, function (symbol) { + return ts.map(symbol.references, function (_a) { + var textSpan = _a.textSpan, fileName = _a.fileName; + return ({ textSpan: textSpan, fileName: fileName }); + }); + }); + return result && result.length > 0 ? result : undefined; } - return true; } - function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { - var chunkCharacterSpans = chunk.characterSpans; - var currentCandidate = 0; - var currentChunkSpan = 0; - var firstMatch = undefined; - var contiguous = undefined; - while (true) { - if (currentChunkSpan === chunkCharacterSpans.length) { - var weight = 0; - if (contiguous) { - weight += 1; - } - if (firstMatch === 0) { - weight += 2; - } - return weight; - } - else if (currentCandidate === candidateParts.length) { - return undefined; + GoToImplementation.getImplementationAtPosition = getImplementationAtPosition; + })(GoToImplementation = ts.GoToImplementation || (ts.GoToImplementation = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var JsDoc; + (function (JsDoc) { + var jsDocTagNames = [ + "augments", + "author", + "argument", + "borrows", + "class", + "constant", + "constructor", + "constructs", + "default", + "deprecated", + "description", + "event", + "example", + "extends", + "field", + "fileOverview", + "function", + "ignore", + "inner", + "lends", + "link", + "memberOf", + "name", + "namespace", + "param", + "private", + "property", + "public", + "requires", + "returns", + "see", + "since", + "static", + "throws", + "type", + "typedef", + "property", + "prop", + "version" + ]; + var jsDocCompletionEntries; + function getJsDocCommentsFromDeclarations(declarations) { + var documentationComment = []; + forEachUnique(declarations, function (declaration) { + var comments = ts.getJSDocComments(declaration, true); + if (!comments) { + return; } - var candidatePart = candidateParts[currentCandidate]; - var gotOneMatchThisCandidate = false; - for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { - var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; - if (gotOneMatchThisCandidate) { - if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || - !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { - break; + for (var _i = 0, comments_3 = comments; _i < comments_3.length; _i++) { + var comment = comments_3[_i]; + if (comment) { + if (documentationComment.length) { + documentationComment.push(ts.lineBreakPart()); } + documentationComment.push(ts.textPart(comment)); } - if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { - break; - } - gotOneMatchThisCandidate = true; - firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; - contiguous = contiguous === undefined ? true : contiguous; - candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); } - if (!gotOneMatchThisCandidate && contiguous !== undefined) { - contiguous = false; + }); + return documentationComment; + } + JsDoc.getJsDocCommentsFromDeclarations = getJsDocCommentsFromDeclarations; + function forEachUnique(array, callback) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + if (ts.indexOf(array, array[i]) === i) { + var result = callback(array[i], i); + if (result) { + return result; + } + } } - currentCandidate++; } + return undefined; } - } - ts.createPatternMatcher = createPatternMatcher; - function createSegment(text) { - return { - totalTextChunk: createTextChunk(text), - subWordTextChunks: breakPatternIntoTextChunks(text) - }; - } - function segmentIsInvalid(segment) { - return segment.subWordTextChunks.length === 0; - } - function isUpperCaseLetter(ch) { - if (ch >= 65 && ch <= 90) { - return true; - } - if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { - return false; - } - var str = String.fromCharCode(ch); - return str === str.toUpperCase(); - } - function isLowerCaseLetter(ch) { - if (ch >= 97 && ch <= 122) { - return true; - } - if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { - return false; + function getAllJsDocCompletionEntries() { + return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { + return { + name: tagName, + kind: ts.ScriptElementKind.keyword, + kindModifiers: "", + sortText: "0", + }; + })); } - var str = String.fromCharCode(ch); - return str === str.toLowerCase(); - } - function indexOfIgnoringCase(string, value) { - for (var i = 0, n = string.length - value.length; i <= n; i++) { - if (startsWithIgnoringCase(string, value, i)) { - return i; + JsDoc.getAllJsDocCompletionEntries = getAllJsDocCompletionEntries; + function getDocCommentTemplateAtPosition(newLine, sourceFile, position) { + if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { + return undefined; } - } - return -1; - } - function startsWithIgnoringCase(string, value, start) { - for (var i = 0, n = value.length; i < n; i++) { - var ch1 = toLowerCase(string.charCodeAt(i + start)); - var ch2 = value.charCodeAt(i); - if (ch1 !== ch2) { - return false; + var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); + var tokenStart = tokenAtPos.getStart(); + if (!tokenAtPos || tokenStart < position) { + return undefined; + } + var commentOwner; + findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { + switch (commentOwner.kind) { + case 221: + case 148: + case 149: + case 222: + case 201: + break findOwner; + case 256: + return undefined; + case 226: + if (commentOwner.parent.kind === 226) { + return undefined; + } + break findOwner; + } + } + if (!commentOwner || commentOwner.getStart() < position) { + return undefined; + } + var parameters = getParametersForJsDocOwningNode(commentOwner); + var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); + var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; + var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); + var docParams = ""; + for (var i = 0, numParams = parameters.length; i < numParams; i++) { + var currentName = parameters[i].name; + var paramName = currentName.kind === 70 ? + currentName.text : + "param" + i; + docParams += indentationStr + " * @param " + paramName + newLine; } + var preamble = "/**" + newLine + + indentationStr + " * "; + var result = preamble + newLine + + docParams + + indentationStr + " */" + + (tokenStart === position ? newLine + indentationStr : ""); + return { newText: result, caretOffset: preamble.length }; } - return true; - } - function toLowerCase(ch) { - if (ch >= 65 && ch <= 90) { - return 97 + (ch - 65); + JsDoc.getDocCommentTemplateAtPosition = getDocCommentTemplateAtPosition; + function getParametersForJsDocOwningNode(commentOwner) { + if (ts.isFunctionLike(commentOwner)) { + return commentOwner.parameters; + } + if (commentOwner.kind === 201) { + var varStatement = commentOwner; + var varDeclarations = varStatement.declarationList.declarations; + if (varDeclarations.length === 1 && varDeclarations[0].initializer) { + return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); + } + } + return ts.emptyArray; } - if (ch < 127) { - return ch; + function getParametersFromRightHandSideOfAssignment(rightHandSide) { + while (rightHandSide.kind === 179) { + rightHandSide = rightHandSide.expression; + } + switch (rightHandSide.kind) { + case 180: + case 181: + return rightHandSide.parameters; + case 193: + for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 149) { + return member.parameters; + } + } + break; + } + return ts.emptyArray; } - return String.fromCharCode(ch).toLowerCase().charCodeAt(0); - } - function isDigit(ch) { - return ch >= 48 && ch <= 57; - } - function isWordChar(ch) { - return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 || ch === 36; - } - function breakPatternIntoTextChunks(pattern) { - var result = []; - var wordStart = 0; - var wordLength = 0; - for (var i = 0; i < pattern.length; i++) { - var ch = pattern.charCodeAt(i); - if (isWordChar(ch)) { - if (wordLength === 0) { - wordStart = i; + })(JsDoc = ts.JsDoc || (ts.JsDoc = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var NavigateTo; + (function (NavigateTo) { + function getNavigateToItems(sourceFiles, checker, cancellationToken, searchValue, maxResultCount, excludeDtsFiles) { + var patternMatcher = ts.createPatternMatcher(searchValue); + var rawItems = []; + ts.forEach(sourceFiles, function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + if (excludeDtsFiles && ts.fileExtensionIs(sourceFile.fileName, ".d.ts")) { + return; + } + var nameToDeclarations = sourceFile.getNamedDeclarations(); + for (var name_49 in nameToDeclarations) { + var declarations = nameToDeclarations[name_49]; + if (declarations) { + var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_49); + if (!matches) { + continue; + } + for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { + var declaration = declarations_9[_i]; + if (patternMatcher.patternContainsDots) { + var containers = getContainers(declaration); + if (!containers) { + return undefined; + } + matches = patternMatcher.getMatches(containers, name_49); + if (!matches) { + continue; + } + } + var fileName = sourceFile.fileName; + var matchKind = bestMatchKind(matches); + rawItems.push({ name: name_49, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); + } + } } - wordLength++; + }); + rawItems = ts.filter(rawItems, function (item) { + var decl = item.declaration; + if (decl.kind === 232 || decl.kind === 235 || decl.kind === 230) { + var importer = checker.getSymbolAtLocation(decl.name); + var imported = checker.getAliasedSymbol(importer); + return importer.name !== imported.name; + } + else { + return true; + } + }); + rawItems.sort(compareNavigateToItems); + if (maxResultCount !== undefined) { + rawItems = rawItems.slice(0, maxResultCount); } - else { - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - wordLength = 0; + var items = ts.map(rawItems, createNavigateToItem); + return items; + function allMatchesAreCaseSensitive(matches) { + ts.Debug.assert(matches.length > 0); + for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { + var match = matches_2[_i]; + if (!match.isCaseSensitive) { + return false; + } } + return true; } - } - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - } - return result; - } - function createTextChunk(text) { - var textLowerCase = text.toLowerCase(); - return { - text: text, - textLowerCase: textLowerCase, - isLowerCase: text === textLowerCase, - characterSpans: breakIntoCharacterSpans(text) - }; - } - function breakIntoCharacterSpans(identifier) { - return breakIntoSpans(identifier, false); - } - ts.breakIntoCharacterSpans = breakIntoCharacterSpans; - function breakIntoWordSpans(identifier) { - return breakIntoSpans(identifier, true); - } - ts.breakIntoWordSpans = breakIntoWordSpans; - function breakIntoSpans(identifier, word) { - var result = []; - var wordStart = 0; - for (var i = 1, n = identifier.length; i < n; i++) { - var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); - var currentIsDigit = isDigit(identifier.charCodeAt(i)); - var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); - var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); - if (charIsPunctuation(identifier.charCodeAt(i - 1)) || - charIsPunctuation(identifier.charCodeAt(i)) || - lastIsDigit !== currentIsDigit || - hasTransitionFromLowerToUpper || - hasTransitionFromUpperToLower) { - if (!isAllPunctuation(identifier, wordStart, i)) { - result.push(ts.createTextSpan(wordStart, i - wordStart)); + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 70 || + node.kind === 9 || + node.kind === 8) { + return node.text; + } } - wordStart = i; + return undefined; } - } - if (!isAllPunctuation(identifier, wordStart, identifier.length)) { - result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); - } - return result; - } - function charIsPunctuation(ch) { - switch (ch) { - case 33: - case 34: - case 35: - case 37: - case 38: - case 39: - case 40: - case 41: - case 42: - case 44: - case 45: - case 46: - case 47: - case 58: - case 59: - case 63: - case 64: - case 91: - case 92: - case 93: - case 95: - case 123: - case 125: + function tryAddSingleDeclarationName(declaration, containers) { + if (declaration && declaration.name) { + var text = getTextOfIdentifierOrLiteral(declaration.name); + if (text !== undefined) { + containers.unshift(text); + } + else if (declaration.name.kind === 141) { + return tryAddComputedPropertyName(declaration.name.expression, containers, true); + } + else { + return false; + } + } return true; - } - return false; - } - function isAllPunctuation(identifier, start, end) { - for (var i = start; i < end; i++) { - var ch = identifier.charCodeAt(i); - if (!charIsPunctuation(ch) || ch === 95 || ch === 36) { - return false; } - } - return true; - } - function transitionFromUpperToLower(identifier, word, index, wordStart) { - if (word) { - if (index !== wordStart && - index + 1 < identifier.length) { - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); - if (currentIsUpper && nextIsLower) { - for (var i = wordStart; i < index; i++) { - if (!isUpperCaseLetter(identifier.charCodeAt(i))) { - return false; - } + function tryAddComputedPropertyName(expression, containers, includeLastPortion) { + var text = getTextOfIdentifierOrLiteral(expression); + if (text !== undefined) { + if (includeLastPortion) { + containers.unshift(text); } return true; } + if (expression.kind === 173) { + var propertyAccess = expression; + if (includeLastPortion) { + containers.unshift(propertyAccess.name.text); + } + return tryAddComputedPropertyName(propertyAccess.expression, containers, true); + } + return false; + } + function getContainers(declaration) { + var containers = []; + if (declaration.name.kind === 141) { + if (!tryAddComputedPropertyName(declaration.name.expression, containers, false)) { + return undefined; + } + } + declaration = ts.getContainerNode(declaration); + while (declaration) { + if (!tryAddSingleDeclarationName(declaration, containers)) { + return undefined; + } + declaration = ts.getContainerNode(declaration); + } + return containers; + } + function bestMatchKind(matches) { + ts.Debug.assert(matches.length > 0); + var bestMatchKind = ts.PatternMatchKind.camelCase; + for (var _i = 0, matches_3 = matches; _i < matches_3.length; _i++) { + var match = matches_3[_i]; + var kind = match.kind; + if (kind < bestMatchKind) { + bestMatchKind = kind; + } + } + return bestMatchKind; + } + function compareNavigateToItems(i1, i2) { + return i1.matchKind - i2.matchKind || + ts.compareStringsCaseInsensitive(i1.name, i2.name) || + ts.compareStrings(i1.name, i2.name); + } + function createNavigateToItem(rawItem) { + var declaration = rawItem.declaration; + var container = ts.getContainerNode(declaration); + return { + name: rawItem.name, + kind: ts.getNodeKind(declaration), + kindModifiers: ts.getNodeModifiers(declaration), + matchKind: ts.PatternMatchKind[rawItem.matchKind], + isCaseSensitive: rawItem.isCaseSensitive, + fileName: rawItem.fileName, + textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), + containerName: container && container.name ? container.name.text : "", + containerKind: container && container.name ? ts.getNodeKind(container) : "" + }; } } - return false; - } - function transitionFromLowerToUpper(identifier, word, index) { - var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var transition = word - ? (currentIsUpper && !lastIsUpper) - : currentIsUpper; - return transition; - } + NavigateTo.getNavigateToItems = getNavigateToItems; + })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); })(ts || (ts = {})); var ts; (function (ts) { - function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { - if (readImportFiles === void 0) { readImportFiles = true; } - if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } - var referencedFiles = []; - var typeReferenceDirectives = []; - var importedFiles = []; - var ambientExternalModules; - var isNoDefaultLib = false; - var braceNesting = 0; - var externalModule = false; - function nextToken() { - var token = ts.scanner.scan(); - if (token === 16) { - braceNesting++; + var NavigationBar; + (function (NavigationBar) { + function getNavigationBarItems(sourceFile) { + curSourceFile = sourceFile; + var result = ts.map(topLevelItems(rootNavigationBarNode(sourceFile)), convertToTopLevelItem); + curSourceFile = undefined; + return result; + } + NavigationBar.getNavigationBarItems = getNavigationBarItems; + function getNavigationTree(sourceFile) { + curSourceFile = sourceFile; + var result = convertToTree(rootNavigationBarNode(sourceFile)); + curSourceFile = undefined; + return result; + } + NavigationBar.getNavigationTree = getNavigationTree; + var curSourceFile; + function nodeText(node) { + return node.getText(curSourceFile); + } + function navigationBarNodeKind(n) { + return n.node.kind; + } + function pushChild(parent, child) { + if (parent.children) { + parent.children.push(child); } - else if (token === 17) { - braceNesting--; + else { + parent.children = [child]; } - return token; } - function processTripleSlashDirectives() { - var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); - ts.forEach(commentRanges, function (commentRange) { - var comment = sourceText.substring(commentRange.pos, commentRange.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); - if (referencePathMatchResult) { - isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var fileReference = referencePathMatchResult.fileReference; - if (fileReference) { - var collection = referencePathMatchResult.isTypeReferenceDirective - ? typeReferenceDirectives - : referencedFiles; - collection.push(fileReference); - } - } - }); + var parentsStack = []; + var parent; + function rootNavigationBarNode(sourceFile) { + ts.Debug.assert(!parentsStack.length); + var root = { node: sourceFile, additionalNodes: undefined, parent: undefined, children: undefined, indent: 0 }; + parent = root; + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + addChildrenRecursively(statement); + } + endNode(); + ts.Debug.assert(!parent && !parentsStack.length); + return root; } - function getFileReference() { - var file = ts.scanner.getTokenValue(); - var pos = ts.scanner.getTokenPos(); + function addLeafNode(node) { + pushChild(parent, emptyNavigationBarNode(node)); + } + function emptyNavigationBarNode(node) { return { - fileName: file, - pos: pos, - end: pos + file.length + node: node, + additionalNodes: undefined, + parent: parent, + children: undefined, + indent: parent.indent + 1 }; } - function recordAmbientExternalModule() { - if (!ambientExternalModules) { - ambientExternalModules = []; - } - ambientExternalModules.push({ ref: getFileReference(), depth: braceNesting }); - } - function recordModuleName() { - importedFiles.push(getFileReference()); - markAsExternalModuleIfTopLevel(); + function startNode(node) { + var navNode = emptyNavigationBarNode(node); + pushChild(parent, navNode); + parentsStack.push(parent); + parent = navNode; } - function markAsExternalModuleIfTopLevel() { - if (braceNesting === 0) { - externalModule = true; + function endNode() { + if (parent.children) { + mergeChildren(parent.children); + sortChildren(parent.children); } + parent = parentsStack.pop(); } - function tryConsumeDeclare() { - var token = ts.scanner.getToken(); - if (token === 123) { - token = nextToken(); - if (token === 126) { - token = nextToken(); - if (token === 9) { - recordAmbientExternalModule(); - } - } - return true; - } - return false; + function addNodeWithRecursiveChild(node, child) { + startNode(node); + addChildrenRecursively(child); + endNode(); } - function tryConsumeImport() { - var token = ts.scanner.getToken(); - if (token === 90) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - return true; - } - else { - if (token === 70 || ts.isKeyword(token)) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - return true; - } - } - else if (token === 57) { - if (tryConsumeRequireCall(true)) { - return true; - } - } - else if (token === 25) { - token = nextToken(); - } - else { - return true; + function addChildrenRecursively(node) { + if (!node || ts.isToken(node)) { + return; + } + switch (node.kind) { + case 149: + var ctr = node; + addNodeWithRecursiveChild(ctr, ctr.body); + for (var _i = 0, _a = ctr.parameters; _i < _a.length; _i++) { + var param = _a[_i]; + if (ts.isParameterPropertyDeclaration(param)) { + addLeafNode(param); } } - if (token === 16) { - token = nextToken(); - while (token !== 17 && token !== 1) { - token = nextToken(); + break; + case 148: + case 150: + case 151: + case 147: + if (!ts.hasDynamicName(node)) { + addNodeWithRecursiveChild(node, node.body); + } + break; + case 146: + case 145: + if (!ts.hasDynamicName(node)) { + addLeafNode(node); + } + break; + case 232: + var importClause = node; + if (importClause.name) { + addLeafNode(importClause); + } + var namedBindings = importClause.namedBindings; + if (namedBindings) { + if (namedBindings.kind === 233) { + addLeafNode(namedBindings); } - if (token === 17) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - } + else { + for (var _b = 0, _c = namedBindings.elements; _b < _c.length; _b++) { + var element = _c[_b]; + addLeafNode(element); } } } - else if (token === 38) { - token = nextToken(); - if (token === 117) { - token = nextToken(); - if (token === 70 || ts.isKeyword(token)) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - } - } - } + break; + case 170: + case 219: + var decl = node; + var name_50 = decl.name; + if (ts.isBindingPattern(name_50)) { + addChildrenRecursively(name_50); + } + else if (decl.initializer && isFunctionOrClassExpression(decl.initializer)) { + addChildrenRecursively(decl.initializer); + } + else { + addNodeWithRecursiveChild(decl, decl.initializer); + } + break; + case 181: + case 221: + case 180: + addNodeWithRecursiveChild(node, node.body); + break; + case 225: + startNode(node); + for (var _d = 0, _e = node.members; _d < _e.length; _d++) { + var member = _e[_d]; + if (!isComputedProperty(member)) { + addLeafNode(member); } } - } - return true; - } - return false; - } - function tryConsumeExport() { - var token = ts.scanner.getToken(); - if (token === 83) { - markAsExternalModuleIfTopLevel(); - token = nextToken(); - if (token === 16) { - token = nextToken(); - while (token !== 17 && token !== 1) { - token = nextToken(); + endNode(); + break; + case 222: + case 193: + case 223: + startNode(node); + for (var _f = 0, _g = node.members; _f < _g.length; _f++) { + var member = _g[_f]; + addChildrenRecursively(member); } - if (token === 17) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); + endNode(); + break; + case 226: + addNodeWithRecursiveChild(node, getInteriorModule(node).body); + break; + case 239: + case 230: + case 154: + case 152: + case 153: + case 224: + addLeafNode(node); + break; + default: + ts.forEach(node.jsDocComments, function (jsDocComment) { + ts.forEach(jsDocComment.tags, function (tag) { + if (tag.kind === 279) { + addLeafNode(tag); } - } - } + }); + }); + ts.forEachChild(node, addChildrenRecursively); + } + } + function mergeChildren(children) { + var nameToItems = ts.createMap(); + ts.filterMutate(children, function (child) { + var decl = child.node; + var name = decl.name && nodeText(decl.name); + if (!name) { + return true; } - else if (token === 38) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - } - } + var itemsWithSameName = nameToItems[name]; + if (!itemsWithSameName) { + nameToItems[name] = child; + return true; } - else if (token === 90) { - token = nextToken(); - if (token === 70 || ts.isKeyword(token)) { - token = nextToken(); - if (token === 57) { - if (tryConsumeRequireCall(true)) { - return true; - } + if (itemsWithSameName instanceof Array) { + for (var _i = 0, itemsWithSameName_1 = itemsWithSameName; _i < itemsWithSameName_1.length; _i++) { + var itemWithSameName = itemsWithSameName_1[_i]; + if (tryMerge(itemWithSameName, child)) { + return false; } } + itemsWithSameName.push(child); + return true; } - return true; - } - return false; - } - function tryConsumeRequireCall(skipCurrentToken) { - var token = skipCurrentToken ? nextToken() : ts.scanner.getToken(); - if (token === 130) { - token = nextToken(); - if (token === 18) { - token = nextToken(); - if (token === 9) { - recordModuleName(); + else { + var itemWithSameName = itemsWithSameName; + if (tryMerge(itemWithSameName, child)) { + return false; } - } - return true; - } - return false; - } - function tryConsumeDefine() { - var token = ts.scanner.getToken(); - if (token === 70 && ts.scanner.getTokenValue() === "define") { - token = nextToken(); - if (token !== 18) { + nameToItems[name] = [itemWithSameName, child]; return true; } - token = nextToken(); - if (token === 9) { - token = nextToken(); - if (token === 25) { - token = nextToken(); + function tryMerge(a, b) { + if (shouldReallyMerge(a.node, b.node)) { + merge(a, b); + return true; } - else { + return false; + } + }); + function shouldReallyMerge(a, b) { + return a.kind === b.kind && (a.kind !== 226 || areSameModule(a, b)); + function areSameModule(a, b) { + if (a.body.kind !== b.body.kind) { + return false; + } + if (a.body.kind !== 226) { return true; } + return areSameModule(a.body, b.body); } - if (token !== 20) { - return true; + } + function merge(target, source) { + target.additionalNodes = target.additionalNodes || []; + target.additionalNodes.push(source.node); + if (source.additionalNodes) { + (_a = target.additionalNodes).push.apply(_a, source.additionalNodes); } - token = nextToken(); - var i = 0; - while (token !== 21 && token !== 1) { - if (token === 9) { - recordModuleName(); - i++; - } - token = nextToken(); + target.children = ts.concatenate(target.children, source.children); + if (target.children) { + mergeChildren(target.children); + sortChildren(target.children); } - return true; + var _a; } - return false; } - function processImports() { - ts.scanner.setText(sourceText); - nextToken(); - while (true) { - if (ts.scanner.getToken() === 1) { - break; + function sortChildren(children) { + children.sort(compareChildren); + } + function compareChildren(child1, child2) { + var name1 = tryGetName(child1.node), name2 = tryGetName(child2.node); + if (name1 && name2) { + var cmp = localeCompareFix(name1, name2); + return cmp !== 0 ? cmp : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); + } + else { + return name1 ? 1 : name2 ? -1 : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); + } + } + var localeCompareIsCorrect = ts.collator && ts.collator.compare("a", "B") < 0; + var localeCompareFix = localeCompareIsCorrect ? ts.collator.compare : function (a, b) { + for (var i = 0; i < Math.min(a.length, b.length); i++) { + var chA = a.charAt(i), chB = b.charAt(i); + if (chA === "\"" && chB === "'") { + return 1; } - if (tryConsumeDeclare() || - tryConsumeImport() || - tryConsumeExport() || - (detectJavaScriptImports && (tryConsumeRequireCall(false) || tryConsumeDefine()))) { - continue; + if (chA === "'" && chB === "\"") { + return -1; } - else { - nextToken(); + var cmp = ts.compareStrings(chA.toLocaleLowerCase(), chB.toLocaleLowerCase()); + if (cmp !== 0) { + return cmp; } } - ts.scanner.setText(undefined); + return a.length - b.length; + }; + function tryGetName(node) { + if (node.kind === 226) { + return getModuleName(node); + } + var decl = node; + if (decl.name) { + return ts.getPropertyNameForPropertyNameNode(decl.name); + } + switch (node.kind) { + case 180: + case 181: + case 193: + return getFunctionOrClassName(node); + case 279: + return getJSDocTypedefTagName(node); + default: + return undefined; + } } - if (readImportFiles) { - processImports(); + function getItemName(node) { + if (node.kind === 226) { + return getModuleName(node); + } + var name = node.name; + if (name) { + var text = nodeText(name); + if (text.length > 0) { + return text; + } + } + switch (node.kind) { + case 256: + var sourceFile = node; + return ts.isExternalModule(sourceFile) + ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(sourceFile.fileName)))) + "\"" + : ""; + case 181: + case 221: + case 180: + case 222: + case 193: + if (ts.getModifierFlags(node) & 512) { + return "default"; + } + return getFunctionOrClassName(node); + case 149: + return "constructor"; + case 153: + return "new()"; + case 152: + return "()"; + case 154: + return "[]"; + case 279: + return getJSDocTypedefTagName(node); + default: + return ""; + } } - processTripleSlashDirectives(); - if (externalModule) { - if (ambientExternalModules) { - for (var _i = 0, ambientExternalModules_1 = ambientExternalModules; _i < ambientExternalModules_1.length; _i++) { - var decl = ambientExternalModules_1[_i]; - importedFiles.push(decl.ref); + function getJSDocTypedefTagName(node) { + if (node.name) { + return node.name.text; + } + else { + var parentNode = node.parent && node.parent.parent; + if (parentNode && parentNode.kind === 201) { + if (parentNode.declarationList.declarations.length > 0) { + var nameIdentifier = parentNode.declarationList.declarations[0].name; + if (nameIdentifier.kind === 70) { + return nameIdentifier.text; + } + } } + return ""; } - return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: undefined }; } - else { - var ambientModuleNames = void 0; - if (ambientExternalModules) { - for (var _a = 0, ambientExternalModules_2 = ambientExternalModules; _a < ambientExternalModules_2.length; _a++) { - var decl = ambientExternalModules_2[_a]; - if (decl.depth === 0) { - if (!ambientModuleNames) { - ambientModuleNames = []; + function topLevelItems(root) { + var topLevel = []; + function recur(item) { + if (isTopLevel(item)) { + topLevel.push(item); + if (item.children) { + for (var _i = 0, _a = item.children; _i < _a.length; _i++) { + var child = _a[_i]; + recur(child); } - ambientModuleNames.push(decl.ref.fileName); } - else { - importedFiles.push(decl.ref); + } + } + recur(root); + return topLevel; + function isTopLevel(item) { + switch (navigationBarNodeKind(item)) { + case 222: + case 193: + case 225: + case 223: + case 226: + case 256: + case 224: + case 279: + return true; + case 149: + case 148: + case 150: + case 151: + case 219: + return hasSomeImportantChild(item); + case 181: + case 221: + case 180: + return isTopLevelFunctionDeclaration(item); + default: + return false; + } + function isTopLevelFunctionDeclaration(item) { + if (!item.node.body) { + return false; + } + switch (navigationBarNodeKind(item.parent)) { + case 227: + case 256: + case 148: + case 149: + return true; + default: + return hasSomeImportantChild(item); } } + function hasSomeImportantChild(item) { + return ts.forEach(item.children, function (child) { + var childKind = navigationBarNodeKind(child); + return childKind !== 219 && childKind !== 170; + }); + } } - return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientModuleNames }; } - } - ts.preProcessFile = preProcessFile; + var emptyChildItemArray = []; + function convertToTree(n) { + return { + text: getItemName(n.node), + kind: ts.getNodeKind(n.node), + kindModifiers: ts.getNodeModifiers(n.node), + spans: getSpans(n), + childItems: ts.map(n.children, convertToTree) + }; + } + function convertToTopLevelItem(n) { + return { + text: getItemName(n.node), + kind: ts.getNodeKind(n.node), + kindModifiers: ts.getNodeModifiers(n.node), + spans: getSpans(n), + childItems: ts.map(n.children, convertToChildItem) || emptyChildItemArray, + indent: n.indent, + bolded: false, + grayed: false + }; + function convertToChildItem(n) { + return { + text: getItemName(n.node), + kind: ts.getNodeKind(n.node), + kindModifiers: ts.getNodeModifiers(n.node), + spans: getSpans(n), + childItems: emptyChildItemArray, + indent: 0, + bolded: false, + grayed: false + }; + } + } + function getSpans(n) { + var spans = [getNodeSpan(n.node)]; + if (n.additionalNodes) { + for (var _i = 0, _a = n.additionalNodes; _i < _a.length; _i++) { + var node = _a[_i]; + spans.push(getNodeSpan(node)); + } + } + return spans; + } + function getModuleName(moduleDeclaration) { + if (ts.isAmbientModule(moduleDeclaration)) { + return ts.getTextOfNode(moduleDeclaration.name); + } + var result = []; + result.push(moduleDeclaration.name.text); + while (moduleDeclaration.body && moduleDeclaration.body.kind === 226) { + moduleDeclaration = moduleDeclaration.body; + result.push(moduleDeclaration.name.text); + } + return result.join("."); + } + function getInteriorModule(decl) { + return decl.body.kind === 226 ? getInteriorModule(decl.body) : decl; + } + function isComputedProperty(member) { + return !member.name || member.name.kind === 141; + } + function getNodeSpan(node) { + return node.kind === 256 + ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) + : ts.createTextSpanFromBounds(node.getStart(curSourceFile), node.getEnd()); + } + function getFunctionOrClassName(node) { + if (node.name && ts.getFullWidth(node.name) > 0) { + return ts.declarationNameToString(node.name); + } + else if (node.parent.kind === 219) { + return ts.declarationNameToString(node.parent.name); + } + else if (node.parent.kind === 188 && + node.parent.operatorToken.kind === 57) { + return nodeText(node.parent.left).replace(whiteSpaceRegex, ""); + } + else if (node.parent.kind === 253 && node.parent.name) { + return nodeText(node.parent.name); + } + else if (ts.getModifierFlags(node) & 512) { + return "default"; + } + else { + return ts.isClassLike(node) ? "" : ""; + } + } + function isFunctionOrClassExpression(node) { + return node.kind === 180 || node.kind === 181 || node.kind === 193; + } + var whiteSpaceRegex = /\s+/g; + })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); })(ts || (ts = {})); var ts; (function (ts) { - var Rename; - (function (Rename) { - function getRenameInfo(typeChecker, defaultLibFileName, getCanonicalFileName, sourceFile, position) { - var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); - var node = ts.getTouchingWord(sourceFile, position, true); - if (node) { - if (node.kind === 70 || - node.kind === 9 || - ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - ts.isThis(node)) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var declarations = symbol.getDeclarations(); - if (declarations && declarations.length > 0) { - if (ts.forEach(declarations, isDefinedInLibraryFile)) { - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); - } - var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var kind = ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node); - if (kind) { - return { - canRename: true, - kind: kind, - displayName: displayName, - localizedErrorMessage: undefined, - fullDisplayName: typeChecker.getFullyQualifiedName(symbol), - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - triggerSpan: createTriggerSpanForNode(node, sourceFile) - }; + var OutliningElementsCollector; + (function (OutliningElementsCollector) { + function collectElements(sourceFile) { + var elements = []; + var collapseText = "..."; + function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { + if (hintSpanNode && startElement && endElement) { + var span_12 = { + textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), + hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span_12); + } + } + function addOutliningSpanComments(commentSpan, autoCollapse) { + if (commentSpan) { + var span_13 = { + textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span_13); + } + } + function addOutliningForLeadingCommentsForNode(n) { + var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); + if (comments) { + var firstSingleLineCommentStart = -1; + var lastSingleLineCommentEnd = -1; + var isFirstSingleLineComment = true; + var singleLineCommentCount = 0; + for (var _i = 0, comments_4 = comments; _i < comments_4.length; _i++) { + var currentComment = comments_4[_i]; + if (currentComment.kind === 2) { + if (isFirstSingleLineComment) { + firstSingleLineCommentStart = currentComment.pos; } + isFirstSingleLineComment = false; + lastSingleLineCommentEnd = currentComment.end; + singleLineCommentCount++; + } + else if (currentComment.kind === 3) { + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + addOutliningSpanComments(currentComment, false); + singleLineCommentCount = 0; + lastSingleLineCommentEnd = -1; + isFirstSingleLineComment = true; } } - else if (node.kind === 9) { - var type = ts.getStringLiteralTypeForNode(node, typeChecker); - if (type) { - if (isDefinedInLibraryFile(node)) { - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + } + } + function combineAndAddMultipleSingleLineComments(count, start, end) { + if (count > 1) { + var multipleSingleLineComments = { + pos: start, + end: end, + kind: 2 + }; + addOutliningSpanComments(multipleSingleLineComments, false); + } + } + function autoCollapse(node) { + return ts.isFunctionBlock(node) && node.parent.kind !== 181; + } + var depth = 0; + var maxDepth = 20; + function walk(n) { + if (depth > maxDepth) { + return; + } + if (ts.isDeclaration(n)) { + addOutliningForLeadingCommentsForNode(n); + } + switch (n.kind) { + case 200: + if (!ts.isFunctionBlock(n)) { + var parent_22 = n.parent; + var openBrace = ts.findChildOfKind(n, 16, sourceFile); + var closeBrace = ts.findChildOfKind(n, 17, sourceFile); + if (parent_22.kind === 205 || + parent_22.kind === 208 || + parent_22.kind === 209 || + parent_22.kind === 207 || + parent_22.kind === 204 || + parent_22.kind === 206 || + parent_22.kind === 213 || + parent_22.kind === 252) { + addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); + break; } - else { - var displayName = ts.stripQuotes(type.text); - return { - canRename: true, - kind: ts.ScriptElementKind.variableElement, - displayName: displayName, - localizedErrorMessage: undefined, - fullDisplayName: displayName, - kindModifiers: ts.ScriptElementKindModifier.none, - triggerSpan: createTriggerSpanForNode(node, sourceFile) - }; + if (parent_22.kind === 217) { + var tryStatement = parent_22; + if (tryStatement.tryBlock === n) { + addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); + break; + } + else if (tryStatement.finallyBlock === n) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); + if (finallyKeyword) { + addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); + break; + } + } } + var span_14 = ts.createTextSpanFromBounds(n.getStart(), n.end); + elements.push({ + textSpan: span_14, + hintSpan: span_14, + bannerText: collapseText, + autoCollapse: autoCollapse(n) + }); + break; } + case 227: { + var openBrace = ts.findChildOfKind(n, 16, sourceFile); + var closeBrace = ts.findChildOfKind(n, 17, sourceFile); + addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); + break; } - } - } - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); - function getRenameInfoError(localizedErrorMessage) { - return { - canRename: false, - localizedErrorMessage: localizedErrorMessage, - displayName: undefined, - fullDisplayName: undefined, - kind: undefined, - kindModifiers: undefined, - triggerSpan: undefined - }; - } - function isDefinedInLibraryFile(declaration) { - if (defaultLibFileName) { - var sourceFile_1 = declaration.getSourceFile(); - var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_1.fileName)); - if (canonicalName === canonicalDefaultLibName) { - return true; + case 222: + case 223: + case 225: + case 172: + case 228: { + var openBrace = ts.findChildOfKind(n, 16, sourceFile); + var closeBrace = ts.findChildOfKind(n, 17, sourceFile); + addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); + break; } + case 171: + var openBracket = ts.findChildOfKind(n, 20, sourceFile); + var closeBracket = ts.findChildOfKind(n, 21, sourceFile); + addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); + break; } - return false; - } - function createTriggerSpanForNode(node, sourceFile) { - var start = node.getStart(sourceFile); - var width = node.getWidth(sourceFile); - if (node.kind === 9) { - start += 1; - width -= 2; - } - return ts.createTextSpan(start, width); + depth++; + ts.forEachChild(n, walk); + depth--; } + walk(sourceFile); + return elements; } - Rename.getRenameInfo = getRenameInfo; - })(Rename = ts.Rename || (ts.Rename = {})); + OutliningElementsCollector.collectElements = collectElements; + })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); })(ts || (ts = {})); var ts; (function (ts) { - var SignatureHelp; - (function (SignatureHelp) { - var emptyArray = []; - (function (ArgumentListKind) { - ArgumentListKind[ArgumentListKind["TypeArguments"] = 0] = "TypeArguments"; - ArgumentListKind[ArgumentListKind["CallArguments"] = 1] = "CallArguments"; - ArgumentListKind[ArgumentListKind["TaggedTemplateArguments"] = 2] = "TaggedTemplateArguments"; - })(SignatureHelp.ArgumentListKind || (SignatureHelp.ArgumentListKind = {})); - var ArgumentListKind = SignatureHelp.ArgumentListKind; - function getSignatureHelpItems(program, sourceFile, position, cancellationToken) { - var typeChecker = program.getTypeChecker(); - var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position); - if (!startingToken) { - return undefined; - } - var argumentInfo = getContainingArgumentInfo(startingToken, position, sourceFile); - cancellationToken.throwIfCancellationRequested(); - if (!argumentInfo) { - return undefined; - } - var call = argumentInfo.invocation; - var candidates = []; - var resolvedSignature = typeChecker.getResolvedSignature(call, candidates); - cancellationToken.throwIfCancellationRequested(); - if (!candidates.length) { - if (ts.isSourceFileJavaScript(sourceFile)) { - return createJavaScriptSignatureHelpItems(argumentInfo, program); - } + (function (PatternMatchKind) { + PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; + PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; + PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; + PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; + })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); + var PatternMatchKind = ts.PatternMatchKind; + function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { + return { + kind: kind, + punctuationStripped: punctuationStripped, + isCaseSensitive: isCaseSensitive, + camelCaseWeight: camelCaseWeight + }; + } + function createPatternMatcher(pattern) { + var stringToWordSpans = ts.createMap(); + pattern = pattern.trim(); + var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); + var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); + return { + getMatches: getMatches, + getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, + patternContainsDots: dotSeparatedSegments.length > 1 + }; + function skipMatch(candidate) { + return invalidPattern || !candidate; + } + function getMatchesForLastSegmentOfPattern(candidate) { + if (skipMatch(candidate)) { return undefined; } - return createSignatureHelpItems(candidates, resolvedSignature, argumentInfo, typeChecker); + return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); } - SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; - function createJavaScriptSignatureHelpItems(argumentInfo, program) { - if (argumentInfo.invocation.kind !== 175) { + function getMatches(candidateContainers, candidate) { + if (skipMatch(candidate)) { return undefined; } - var callExpression = argumentInfo.invocation; - var expression = callExpression.expression; - var name = expression.kind === 70 - ? expression - : expression.kind === 173 - ? expression.name - : undefined; - if (!name || !name.text) { + var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + if (!candidateMatch) { return undefined; } - var typeChecker = program.getTypeChecker(); - for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { - var sourceFile = _a[_i]; - var nameToDeclarations = sourceFile.getNamedDeclarations(); - var declarations = nameToDeclarations[name.text]; - if (declarations) { - for (var _b = 0, declarations_10 = declarations; _b < declarations_10.length; _b++) { - var declaration = declarations_10[_b]; - var symbol = declaration.symbol; - if (symbol) { - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, declaration); - if (type) { - var callSignatures = type.getCallSignatures(); - if (callSignatures && callSignatures.length) { - return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo, typeChecker); - } - } - } - } - } - } - } - function getImmediatelyContainingArgumentInfo(node, position, sourceFile) { - if (node.parent.kind === 175 || node.parent.kind === 176) { - var callExpression = node.parent; - if (node.kind === 26 || - node.kind === 18) { - var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - ts.Debug.assert(list !== undefined); - return { - kind: isTypeArgList ? 0 : 1, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list, sourceFile), - argumentIndex: 0, - argumentCount: getArgumentCount(list) - }; - } - var listItemInfo = ts.findListItemInfo(node); - if (listItemInfo) { - var list = listItemInfo.list; - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - var argumentIndex = getArgumentIndex(list, node); - var argumentCount = getArgumentCount(list); - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: isTypeArgList ? 0 : 1, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list, sourceFile), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } + candidateContainers = candidateContainers || []; + if (dotSeparatedSegments.length - 1 > candidateContainers.length) { return undefined; } - else if (node.kind === 12 && node.parent.kind === 177) { - if (ts.isInsideTemplateLiteral(node, position)) { - return getArgumentListInfoForTemplate(node.parent, 0, sourceFile); - } - } - else if (node.kind === 13 && node.parent.parent.kind === 177) { - var templateExpression = node.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 190); - var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; - return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); - } - else if (node.parent.kind === 198 && node.parent.parent.parent.kind === 177) { - var templateSpan = node.parent; - var templateExpression = templateSpan.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 190); - if (node.kind === 15 && !ts.isInsideTemplateLiteral(node, position)) { + var totalMatch = candidateMatch; + for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { + var segment = dotSeparatedSegments[i]; + var containerName = candidateContainers[j]; + var containerMatch = matchSegment(containerName, segment); + if (!containerMatch) { return undefined; } - var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); - var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node, position); - return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); - } - return undefined; - } - function getArgumentIndex(argumentsList, node) { - var argumentIndex = 0; - var listChildren = argumentsList.getChildren(); - for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { - var child = listChildren_1[_i]; - if (child === node) { - break; - } - if (child.kind !== 25) { - argumentIndex++; - } + ts.addRange(totalMatch, containerMatch); } - return argumentIndex; + return totalMatch; } - function getArgumentCount(argumentsList) { - var listChildren = argumentsList.getChildren(); - var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 25; }); - if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 25) { - argumentCount++; + function getWordSpans(word) { + if (!(word in stringToWordSpans)) { + stringToWordSpans[word] = breakIntoWordSpans(word); } - return argumentCount; + return stringToWordSpans[word]; } - function getArgumentIndexForTemplatePiece(spanIndex, node, position) { - ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); - if (ts.isTemplateLiteralKind(node.kind)) { - if (ts.isInsideTemplateLiteral(node, position)) { - return 0; + function matchTextChunk(candidate, chunk, punctuationStripped) { + var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); + if (index === 0) { + if (chunk.text.length === candidate.length) { + return createPatternMatch(PatternMatchKind.exact, punctuationStripped, candidate === chunk.text); } - return spanIndex + 2; - } - return spanIndex + 1; - } - function getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile) { - var argumentCount = tagExpression.template.kind === 12 - ? 1 - : tagExpression.template.templateSpans.length + 1; - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: 2, - invocation: tagExpression, - argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression, sourceFile), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - function getApplicableSpanForArguments(argumentsList, sourceFile) { - var applicableSpanStart = argumentsList.getFullStart(); - var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), false); - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getApplicableSpanForTaggedTemplate(taggedTemplate, sourceFile) { - var template = taggedTemplate.template; - var applicableSpanStart = template.getStart(); - var applicableSpanEnd = template.getEnd(); - if (template.kind === 190) { - var lastSpan = ts.lastOrUndefined(template.templateSpans); - if (lastSpan.literal.getFullWidth() === 0) { - applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, false); + else { + return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, ts.startsWith(candidate, chunk.text)); } } - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getContainingArgumentInfo(node, position, sourceFile) { - for (var n = node; n.kind !== 256; n = n.parent) { - if (ts.isFunctionBlock(n)) { - return undefined; - } - if (n.pos < n.parent.pos || n.end > n.parent.end) { - ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); - } - var argumentInfo = getImmediatelyContainingArgumentInfo(n, position, sourceFile); - if (argumentInfo) { - return argumentInfo; + var isLowercase = chunk.isLowerCase; + if (isLowercase) { + if (index > 0) { + var wordSpans = getWordSpans(candidate); + for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { + var span_15 = wordSpans_1[_i]; + if (partStartsWith(candidate, span_15, chunk.text, true)) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, partStartsWith(candidate, span_15, chunk.text, false)); + } + } } } - return undefined; - } - SignatureHelp.getContainingArgumentInfo = getContainingArgumentInfo; - function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { - var children = parent.getChildren(sourceFile); - var indexOfOpenerToken = children.indexOf(openerToken); - ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); - return children[indexOfOpenerToken + 1]; - } - function selectBestInvalidOverloadIndex(candidates, argumentCount) { - var maxParamsSignatureIndex = -1; - var maxParams = -1; - for (var i = 0; i < candidates.length; i++) { - var candidate = candidates[i]; - if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { - return i; - } - if (candidate.parameters.length > maxParams) { - maxParams = candidate.parameters.length; - maxParamsSignatureIndex = i; + else { + if (candidate.indexOf(chunk.text) > 0) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, true); } } - return maxParamsSignatureIndex; - } - function createSignatureHelpItems(candidates, bestSignature, argumentListInfo, typeChecker) { - var applicableSpan = argumentListInfo.argumentsSpan; - var isTypeParameterList = argumentListInfo.kind === 0; - var invocation = argumentListInfo.invocation; - var callTarget = ts.getInvokedExpression(invocation); - var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); - var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, undefined, undefined); - var items = ts.map(candidates, function (candidateSignature) { - var signatureHelpParameters; - var prefixDisplayParts = []; - var suffixDisplayParts = []; - if (callTargetDisplayParts) { - ts.addRange(prefixDisplayParts, callTargetDisplayParts); - } - if (isTypeParameterList) { - prefixDisplayParts.push(ts.punctuationPart(26)); - var typeParameters = candidateSignature.typeParameters; - signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(28)); - var parameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.thisParameter, candidateSignature.parameters, writer, invocation); - }); - ts.addRange(suffixDisplayParts, parameterParts); - } - else { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); - }); - ts.addRange(prefixDisplayParts, typeParameterParts); - prefixDisplayParts.push(ts.punctuationPart(18)); - var parameters = candidateSignature.parameters; - signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(19)); + if (!isLowercase) { + if (chunk.characterSpans.length > 0) { + var candidateParts = getWordSpans(candidate); + var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, false); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, true, camelCaseWeight); + } + camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, true); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, false, camelCaseWeight); + } } - var returnTypeParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); - }); - ts.addRange(suffixDisplayParts, returnTypeParts); - return { - isVariadic: candidateSignature.hasRestParameter, - prefixDisplayParts: prefixDisplayParts, - suffixDisplayParts: suffixDisplayParts, - separatorDisplayParts: [ts.punctuationPart(25), ts.spacePart()], - parameters: signatureHelpParameters, - documentation: candidateSignature.getDocumentationComment() - }; - }); - var argumentIndex = argumentListInfo.argumentIndex; - var argumentCount = argumentListInfo.argumentCount; - var selectedItemIndex = candidates.indexOf(bestSignature); - if (selectedItemIndex < 0) { - selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); - } - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - items: items, - applicableSpan: applicableSpan, - selectedItemIndex: selectedItemIndex, - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - function createSignatureHelpParameterForParameter(parameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); - }); - return { - name: parameter.name, - documentation: parameter.getDocumentationComment(), - displayParts: displayParts, - isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) - }; - } - function createSignatureHelpParameterForTypeParameter(typeParameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); - }); - return { - name: typeParameter.symbol.name, - documentation: emptyArray, - displayParts: displayParts, - isOptional: false - }; } - } - })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var SymbolDisplay; - (function (SymbolDisplay) { - function getSymbolKind(typeChecker, symbol, location) { - var flags = symbol.getFlags(); - if (flags & 32) - return ts.getDeclarationOfKind(symbol, 193) ? - ts.ScriptElementKind.localClassElement : ts.ScriptElementKind.classElement; - if (flags & 384) - return ts.ScriptElementKind.enumElement; - if (flags & 524288) - return ts.ScriptElementKind.typeElement; - if (flags & 64) - return ts.ScriptElementKind.interfaceElement; - if (flags & 262144) - return ts.ScriptElementKind.typeParameterElement; - var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location); - if (result === ts.ScriptElementKind.unknown) { - if (flags & 262144) - return ts.ScriptElementKind.typeParameterElement; - if (flags & 8) - return ts.ScriptElementKind.variableElement; - if (flags & 8388608) - return ts.ScriptElementKind.alias; - if (flags & 1536) - return ts.ScriptElementKind.moduleElement; + if (isLowercase) { + if (chunk.text.length < candidate.length) { + if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, false); + } + } } - return result; + return undefined; } - SymbolDisplay.getSymbolKind = getSymbolKind; - function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location) { - if (typeChecker.isUndefinedSymbol(symbol)) { - return ts.ScriptElementKind.variableElement; - } - if (typeChecker.isArgumentsSymbol(symbol)) { - return ts.ScriptElementKind.localVariableElement; - } - if (location.kind === 98 && ts.isExpression(location)) { - return ts.ScriptElementKind.parameterElement; + function containsSpaceOrAsterisk(text) { + for (var i = 0; i < text.length; i++) { + var ch = text.charCodeAt(i); + if (ch === 32 || ch === 42) { + return true; + } } - if (flags & 3) { - if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { - return ts.ScriptElementKind.parameterElement; + return false; + } + function matchSegment(candidate, segment) { + if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { + var match = matchTextChunk(candidate, segment.totalTextChunk, false); + if (match) { + return [match]; } - else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { - return ts.ScriptElementKind.constElement; + } + var subWordTextChunks = segment.subWordTextChunks; + var matches = undefined; + for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { + var subWordTextChunk = subWordTextChunks_1[_i]; + var result = matchTextChunk(candidate, subWordTextChunk, true); + if (!result) { + return undefined; } - else if (ts.forEach(symbol.declarations, ts.isLet)) { - return ts.ScriptElementKind.letElement; + matches = matches || []; + matches.push(result); + } + return matches; + } + function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { + var patternPartStart = patternSpan ? patternSpan.start : 0; + var patternPartLength = patternSpan ? patternSpan.length : pattern.length; + if (patternPartLength > candidateSpan.length) { + return false; + } + if (ignoreCase) { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (toLowerCase(ch1) !== toLowerCase(ch2)) { + return false; + } } - return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localVariableElement : ts.ScriptElementKind.variableElement; } - if (flags & 16) - return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localFunctionElement : ts.ScriptElementKind.functionElement; - if (flags & 32768) - return ts.ScriptElementKind.memberGetAccessorElement; - if (flags & 65536) - return ts.ScriptElementKind.memberSetAccessorElement; - if (flags & 8192) - return ts.ScriptElementKind.memberFunctionElement; - if (flags & 16384) - return ts.ScriptElementKind.constructorImplementationElement; - if (flags & 4) { - if (flags & 268435456) { - var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - var rootSymbolFlags = rootSymbol.getFlags(); - if (rootSymbolFlags & (98308 | 3)) { - return ts.ScriptElementKind.memberVariableElement; - } - ts.Debug.assert(!!(rootSymbolFlags & 8192)); - }); - if (!unionPropertyKind) { - var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (typeOfUnionProperty.getCallSignatures().length) { - return ts.ScriptElementKind.memberFunctionElement; - } - return ts.ScriptElementKind.memberVariableElement; + else { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (ch1 !== ch2) { + return false; } - return unionPropertyKind; } - return ts.ScriptElementKind.memberVariableElement; } - return ts.ScriptElementKind.unknown; - } - function getSymbolModifiers(symbol) { - return symbol && symbol.declarations && symbol.declarations.length > 0 - ? ts.getNodeModifiers(symbol.declarations[0]) - : ts.ScriptElementKindModifier.none; + return true; } - SymbolDisplay.getSymbolModifiers = getSymbolModifiers; - function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { - if (semanticMeaning === void 0) { semanticMeaning = ts.getMeaningFromLocation(location); } - var displayParts = []; - var documentation; - var symbolFlags = symbol.flags; - var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, symbolFlags, location); - var hasAddedSymbolInfo; - var isThisExpression = location.kind === 98 && ts.isExpression(location); - var type; - if (symbolKind !== ts.ScriptElementKind.unknown || symbolFlags & 32 || symbolFlags & 8388608) { - if (symbolKind === ts.ScriptElementKind.memberGetAccessorElement || symbolKind === ts.ScriptElementKind.memberSetAccessorElement) { - symbolKind = ts.ScriptElementKind.memberVariableElement; - } - var signature = void 0; - type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (type) { - if (location.parent && location.parent.kind === 173) { - var right = location.parent.name; - if (right === location || (right && right.getFullWidth() === 0)) { - location = location.parent; - } - } - var callExpression = void 0; - if (location.kind === 175 || location.kind === 176) { - callExpression = location; + function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { + var chunkCharacterSpans = chunk.characterSpans; + var currentCandidate = 0; + var currentChunkSpan = 0; + var firstMatch = undefined; + var contiguous = undefined; + while (true) { + if (currentChunkSpan === chunkCharacterSpans.length) { + var weight = 0; + if (contiguous) { + weight += 1; } - else if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location)) { - callExpression = location.parent; + if (firstMatch === 0) { + weight += 2; } - if (callExpression) { - var candidateSignatures = []; - signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); - if (!signature && candidateSignatures.length) { - signature = candidateSignatures[0]; - } - var useConstructSignatures = callExpression.kind === 176 || callExpression.expression.kind === 96; - var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); - if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { - signature = allSignatures.length ? allSignatures[0] : undefined; - } - if (signature) { - if (useConstructSignatures && (symbolFlags & 32)) { - symbolKind = ts.ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else if (symbolFlags & 8388608) { - symbolKind = ts.ScriptElementKind.alias; - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(93)); - displayParts.push(ts.spacePart()); - } - addFullSymbolName(symbol); - } - else { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - } - switch (symbolKind) { - case ts.ScriptElementKind.memberVariableElement: - case ts.ScriptElementKind.variableElement: - case ts.ScriptElementKind.constElement: - case ts.ScriptElementKind.letElement: - case ts.ScriptElementKind.parameterElement: - case ts.ScriptElementKind.localVariableElement: - displayParts.push(ts.punctuationPart(55)); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(93)); - displayParts.push(ts.spacePart()); - } - if (!(type.flags & 2097152) && type.symbol) { - ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, undefined, 1)); - } - addSignatureDisplayParts(signature, allSignatures, 8); - break; - default: - addSignatureDisplayParts(signature, allSignatures); - } - hasAddedSymbolInfo = true; + return weight; + } + else if (currentCandidate === candidateParts.length) { + return undefined; + } + var candidatePart = candidateParts[currentCandidate]; + var gotOneMatchThisCandidate = false; + for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { + var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; + if (gotOneMatchThisCandidate) { + if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || + !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { + break; } } - else if ((ts.isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304)) || - (location.kind === 122 && location.parent.kind === 149)) { - var functionDeclaration = location.parent; - var allSignatures = functionDeclaration.kind === 149 ? type.getNonNullableType().getConstructSignatures() : type.getNonNullableType().getCallSignatures(); - if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { - signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); - } - else { - signature = allSignatures[0]; - } - if (functionDeclaration.kind === 149) { - symbolKind = ts.ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else { - addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 152 && - !(type.symbol.flags & 2048 || type.symbol.flags & 4096) ? type.symbol : symbol, symbolKind); - } - addSignatureDisplayParts(signature, allSignatures); - hasAddedSymbolInfo = true; + if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { + break; } + gotOneMatchThisCandidate = true; + firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; + contiguous = contiguous === undefined ? true : contiguous; + candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); } - } - if (symbolFlags & 32 && !hasAddedSymbolInfo && !isThisExpression) { - if (ts.getDeclarationOfKind(symbol, 193)) { - pushTypePart(ts.ScriptElementKind.localClassElement); - } - else { - displayParts.push(ts.keywordPart(74)); + if (!gotOneMatchThisCandidate && contiguous !== undefined) { + contiguous = false; } - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); + currentCandidate++; } - if ((symbolFlags & 64) && (semanticMeaning & 2)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(108)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); + } + } + ts.createPatternMatcher = createPatternMatcher; + function createSegment(text) { + return { + totalTextChunk: createTextChunk(text), + subWordTextChunks: breakPatternIntoTextChunks(text) + }; + } + function segmentIsInvalid(segment) { + return segment.subWordTextChunks.length === 0; + } + function isUpperCaseLetter(ch) { + if (ch >= 65 && ch <= 90) { + return true; + } + if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { + return false; + } + var str = String.fromCharCode(ch); + return str === str.toUpperCase(); + } + function isLowerCaseLetter(ch) { + if (ch >= 97 && ch <= 122) { + return true; + } + if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { + return false; + } + var str = String.fromCharCode(ch); + return str === str.toLowerCase(); + } + function indexOfIgnoringCase(string, value) { + for (var i = 0, n = string.length - value.length; i <= n; i++) { + if (startsWithIgnoringCase(string, value, i)) { + return i; } - if (symbolFlags & 524288) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(135)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration, 512)); + } + return -1; + } + function startsWithIgnoringCase(string, value, start) { + for (var i = 0, n = value.length; i < n; i++) { + var ch1 = toLowerCase(string.charCodeAt(i + start)); + var ch2 = value.charCodeAt(i); + if (ch1 !== ch2) { + return false; } - if (symbolFlags & 384) { - addNewLineIfDisplayPartsExist(); - if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { - displayParts.push(ts.keywordPart(75)); - displayParts.push(ts.spacePart()); + } + return true; + } + function toLowerCase(ch) { + if (ch >= 65 && ch <= 90) { + return 97 + (ch - 65); + } + if (ch < 127) { + return ch; + } + return String.fromCharCode(ch).toLowerCase().charCodeAt(0); + } + function isDigit(ch) { + return ch >= 48 && ch <= 57; + } + function isWordChar(ch) { + return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 || ch === 36; + } + function breakPatternIntoTextChunks(pattern) { + var result = []; + var wordStart = 0; + var wordLength = 0; + for (var i = 0; i < pattern.length; i++) { + var ch = pattern.charCodeAt(i); + if (isWordChar(ch)) { + if (wordLength === 0) { + wordStart = i; } - displayParts.push(ts.keywordPart(82)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); + wordLength++; } - if (symbolFlags & 1536) { - addNewLineIfDisplayPartsExist(); - var declaration = ts.getDeclarationOfKind(symbol, 226); - var isNamespace = declaration && declaration.name && declaration.name.kind === 70; - displayParts.push(ts.keywordPart(isNamespace ? 127 : 126)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); + else { + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + wordLength = 0; + } } - if ((symbolFlags & 262144) && (semanticMeaning & 2)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.textPart("type parameter")); - displayParts.push(ts.punctuationPart(19)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(91)); - displayParts.push(ts.spacePart()); - if (symbol.parent) { - addFullSymbolName(symbol.parent, enclosingDeclaration); - writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + } + return result; + } + function createTextChunk(text) { + var textLowerCase = text.toLowerCase(); + return { + text: text, + textLowerCase: textLowerCase, + isLowerCase: text === textLowerCase, + characterSpans: breakIntoCharacterSpans(text) + }; + } + function breakIntoCharacterSpans(identifier) { + return breakIntoSpans(identifier, false); + } + ts.breakIntoCharacterSpans = breakIntoCharacterSpans; + function breakIntoWordSpans(identifier) { + return breakIntoSpans(identifier, true); + } + ts.breakIntoWordSpans = breakIntoWordSpans; + function breakIntoSpans(identifier, word) { + var result = []; + var wordStart = 0; + for (var i = 1, n = identifier.length; i < n; i++) { + var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); + var currentIsDigit = isDigit(identifier.charCodeAt(i)); + var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); + var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); + if (charIsPunctuation(identifier.charCodeAt(i - 1)) || + charIsPunctuation(identifier.charCodeAt(i)) || + lastIsDigit !== currentIsDigit || + hasTransitionFromLowerToUpper || + hasTransitionFromUpperToLower) { + if (!isAllPunctuation(identifier, wordStart, i)) { + result.push(ts.createTextSpan(wordStart, i - wordStart)); } - else { - var declaration = ts.getDeclarationOfKind(symbol, 142); - ts.Debug.assert(declaration !== undefined); - declaration = declaration.parent; - if (declaration) { - if (ts.isFunctionLikeKind(declaration.kind)) { - var signature = typeChecker.getSignatureFromDeclaration(declaration); - if (declaration.kind === 153) { - displayParts.push(ts.keywordPart(93)); - displayParts.push(ts.spacePart()); - } - else if (declaration.kind !== 152 && declaration.name) { - addFullSymbolName(declaration.symbol); - } - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32)); - } - else { - displayParts.push(ts.keywordPart(135)); - displayParts.push(ts.spacePart()); - addFullSymbolName(declaration.symbol); - writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + wordStart = i; + } + } + if (!isAllPunctuation(identifier, wordStart, identifier.length)) { + result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); + } + return result; + } + function charIsPunctuation(ch) { + switch (ch) { + case 33: + case 34: + case 35: + case 37: + case 38: + case 39: + case 40: + case 41: + case 42: + case 44: + case 45: + case 46: + case 47: + case 58: + case 59: + case 63: + case 64: + case 91: + case 92: + case 93: + case 95: + case 123: + case 125: + return true; + } + return false; + } + function isAllPunctuation(identifier, start, end) { + for (var i = start; i < end; i++) { + var ch = identifier.charCodeAt(i); + if (!charIsPunctuation(ch) || ch === 95 || ch === 36) { + return false; + } + } + return true; + } + function transitionFromUpperToLower(identifier, word, index, wordStart) { + if (word) { + if (index !== wordStart && + index + 1 < identifier.length) { + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); + if (currentIsUpper && nextIsLower) { + for (var i = wordStart; i < index; i++) { + if (!isUpperCaseLetter(identifier.charCodeAt(i))) { + return false; } } + return true; + } + } + } + return false; + } + function transitionFromLowerToUpper(identifier, word, index) { + var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var transition = word + ? (currentIsUpper && !lastIsUpper) + : currentIsUpper; + return transition; + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { + if (readImportFiles === void 0) { readImportFiles = true; } + if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } + var referencedFiles = []; + var typeReferenceDirectives = []; + var importedFiles = []; + var ambientExternalModules; + var isNoDefaultLib = false; + var braceNesting = 0; + var externalModule = false; + function nextToken() { + var token = ts.scanner.scan(); + if (token === 16) { + braceNesting++; + } + else if (token === 17) { + braceNesting--; + } + return token; + } + function processTripleSlashDirectives() { + var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); + ts.forEach(commentRanges, function (commentRange) { + var comment = sourceText.substring(commentRange.pos, commentRange.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); + if (referencePathMatchResult) { + isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var fileReference = referencePathMatchResult.fileReference; + if (fileReference) { + var collection = referencePathMatchResult.isTypeReferenceDirective + ? typeReferenceDirectives + : referencedFiles; + collection.push(fileReference); + } } + }); + } + function getFileReference() { + var file = ts.scanner.getTokenValue(); + var pos = ts.scanner.getTokenPos(); + return { + fileName: file, + pos: pos, + end: pos + file.length + }; + } + function recordAmbientExternalModule() { + if (!ambientExternalModules) { + ambientExternalModules = []; } - if (symbolFlags & 8) { - addPrefixForAnyFunctionOrVar(symbol, "enum member"); - var declaration = symbol.declarations[0]; - if (declaration.kind === 255) { - var constantValue = typeChecker.getConstantValue(declaration); - if (constantValue !== undefined) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.displayPart(constantValue.toString(), ts.SymbolDisplayPartKind.numericLiteral)); + ambientExternalModules.push({ ref: getFileReference(), depth: braceNesting }); + } + function recordModuleName() { + importedFiles.push(getFileReference()); + markAsExternalModuleIfTopLevel(); + } + function markAsExternalModuleIfTopLevel() { + if (braceNesting === 0) { + externalModule = true; + } + } + function tryConsumeDeclare() { + var token = ts.scanner.getToken(); + if (token === 123) { + token = nextToken(); + if (token === 126) { + token = nextToken(); + if (token === 9) { + recordAmbientExternalModule(); } } + return true; } - if (symbolFlags & 8388608) { - addNewLineIfDisplayPartsExist(); - if (symbol.declarations[0].kind === 229) { - displayParts.push(ts.keywordPart(83)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(127)); + return false; + } + function tryConsumeImport() { + var token = ts.scanner.getToken(); + if (token === 90) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + return true; } else { - displayParts.push(ts.keywordPart(90)); - } - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 230) { - var importEqualsDeclaration = declaration; - if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(130)); - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), ts.SymbolDisplayPartKind.stringLiteral)); - displayParts.push(ts.punctuationPart(19)); + if (token === 70 || ts.isKeyword(token)) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + return true; + } } - else { - var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); - if (internalAliasSymbol) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + else if (token === 57) { + if (tryConsumeRequireCall(true)) { + return true; } } - return true; - } - }); - } - if (!hasAddedSymbolInfo) { - if (symbolKind !== ts.ScriptElementKind.unknown) { - if (type) { - if (isThisExpression) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(98)); + else if (token === 25) { + token = nextToken(); } else { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); + return true; } - if (symbolKind === ts.ScriptElementKind.memberVariableElement || - symbolFlags & 3 || - symbolKind === ts.ScriptElementKind.localVariableElement || - isThisExpression) { - displayParts.push(ts.punctuationPart(55)); - displayParts.push(ts.spacePart()); - if (type.symbol && type.symbol.flags & 262144) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - else { - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + if (token === 16) { + token = nextToken(); + while (token !== 17 && token !== 1) { + token = nextToken(); + } + if (token === 17) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } } } - else if (symbolFlags & 16 || - symbolFlags & 8192 || - symbolFlags & 16384 || - symbolFlags & 131072 || - symbolFlags & 98304 || - symbolKind === ts.ScriptElementKind.memberFunctionElement) { - var allSignatures = type.getNonNullableType().getCallSignatures(); - addSignatureDisplayParts(allSignatures[0], allSignatures); + } + else if (token === 38) { + token = nextToken(); + if (token === 117) { + token = nextToken(); + if (token === 70 || ts.isKeyword(token)) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } + } + } } } } - else { - symbolKind = getSymbolKind(typeChecker, symbol, location); - } + return true; } - if (!documentation) { - documentation = symbol.getDocumentationComment(); - if (documentation.length === 0 && symbol.flags & 4) { - if (symbol.parent && ts.forEach(symbol.parent.declarations, function (declaration) { return declaration.kind === 256; })) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (!declaration.parent || declaration.parent.kind !== 188) { - continue; - } - var rhsSymbol = typeChecker.getSymbolAtLocation(declaration.parent.right); - if (!rhsSymbol) { - continue; - } - documentation = rhsSymbol.getDocumentationComment(); - if (documentation.length > 0) { - break; + return false; + } + function tryConsumeExport() { + var token = ts.scanner.getToken(); + if (token === 83) { + markAsExternalModuleIfTopLevel(); + token = nextToken(); + if (token === 16) { + token = nextToken(); + while (token !== 17 && token !== 1) { + token = nextToken(); + } + if (token === 17) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); } } } } - } - return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; - function addNewLineIfDisplayPartsExist() { - if (displayParts.length) { - displayParts.push(ts.lineBreakPart()); - } - } - function addFullSymbolName(symbol, enclosingDeclaration) { - var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, undefined, 1 | 2); - ts.addRange(displayParts, fullSymbolDisplayParts); - } - function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { - addNewLineIfDisplayPartsExist(); - if (symbolKind) { - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); + else if (token === 38) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } + } } - } - function pushTypePart(symbolKind) { - switch (symbolKind) { - case ts.ScriptElementKind.variableElement: - case ts.ScriptElementKind.functionElement: - case ts.ScriptElementKind.letElement: - case ts.ScriptElementKind.constElement: - case ts.ScriptElementKind.constructorImplementationElement: - displayParts.push(ts.textOrKeywordPart(symbolKind)); - return; - default: - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.textOrKeywordPart(symbolKind)); - displayParts.push(ts.punctuationPart(19)); - return; + else if (token === 90) { + token = nextToken(); + if (token === 70 || ts.isKeyword(token)) { + token = nextToken(); + if (token === 57) { + if (tryConsumeRequireCall(true)) { + return true; + } + } + } } + return true; } - function addSignatureDisplayParts(signature, allSignatures, flags) { - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32)); - if (allSignatures.length > 1) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.operatorPart(36)); - displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), ts.SymbolDisplayPartKind.numericLiteral)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); - displayParts.push(ts.punctuationPart(19)); + return false; + } + function tryConsumeRequireCall(skipCurrentToken) { + var token = skipCurrentToken ? nextToken() : ts.scanner.getToken(); + if (token === 130) { + token = nextToken(); + if (token === 18) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } } - documentation = signature.getDocumentationComment(); - } - function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); + return true; } + return false; } - SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind = getSymbolDisplayPartsDocumentationAndSymbolKind; - function isLocalVariableOrFunction(symbol) { - if (symbol.parent) { - return false; - } - return ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 180) { + function tryConsumeDefine() { + var token = ts.scanner.getToken(); + if (token === 70 && ts.scanner.getTokenValue() === "define") { + token = nextToken(); + if (token !== 18) { return true; } - if (declaration.kind !== 219 && declaration.kind !== 221) { - return false; + token = nextToken(); + if (token === 9) { + token = nextToken(); + if (token === 25) { + token = nextToken(); + } + else { + return true; + } } - for (var parent_23 = declaration.parent; !ts.isFunctionBlock(parent_23); parent_23 = parent_23.parent) { - if (parent_23.kind === 256 || parent_23.kind === 227) { - return false; + if (token !== 20) { + return true; + } + token = nextToken(); + var i = 0; + while (token !== 21 && token !== 1) { + if (token === 9) { + recordModuleName(); + i++; } + token = nextToken(); } return true; - }); - } - })(SymbolDisplay = ts.SymbolDisplay || (ts.SymbolDisplay = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - function transpileModule(input, transpileOptions) { - var diagnostics = []; - var options = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : ts.getDefaultCompilerOptions(); - options.isolatedModules = true; - options.suppressOutputPathCheck = true; - options.allowNonTsExtensions = true; - options.noLib = true; - options.lib = undefined; - options.types = undefined; - options.noEmit = undefined; - options.noEmitOnError = undefined; - options.paths = undefined; - options.rootDirs = undefined; - options.declaration = undefined; - options.declarationDir = undefined; - options.out = undefined; - options.outFile = undefined; - options.noResolve = true; - var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); - var sourceFile = ts.createSourceFile(inputFileName, input, options.target); - if (transpileOptions.moduleName) { - sourceFile.moduleName = transpileOptions.moduleName; - } - if (transpileOptions.renamedDependencies) { - sourceFile.renamedDependencies = ts.createMap(transpileOptions.renamedDependencies); + } + return false; } - var newLine = ts.getNewLineCharacter(options); - var outputText; - var sourceMapText; - var compilerHost = { - getSourceFile: function (fileName) { return fileName === ts.normalizePath(inputFileName) ? sourceFile : undefined; }, - writeFile: function (name, text) { - if (ts.fileExtensionIs(name, ".map")) { - ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); - sourceMapText = text; + function processImports() { + ts.scanner.setText(sourceText); + nextToken(); + while (true) { + if (ts.scanner.getToken() === 1) { + break; + } + if (tryConsumeDeclare() || + tryConsumeImport() || + tryConsumeExport() || + (detectJavaScriptImports && (tryConsumeRequireCall(false) || tryConsumeDefine()))) { + continue; } else { - ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); - outputText = text; + nextToken(); } - }, - getDefaultLibFileName: function () { return "lib.d.ts"; }, - useCaseSensitiveFileNames: function () { return false; }, - getCanonicalFileName: function (fileName) { return fileName; }, - getCurrentDirectory: function () { return ""; }, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return fileName === inputFileName; }, - readFile: function () { return ""; }, - directoryExists: function () { return true; }, - getDirectories: function () { return []; } - }; - var program = ts.createProgram([inputFileName], options, compilerHost); - if (transpileOptions.reportDiagnostics) { - ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile)); - ts.addRange(diagnostics, program.getOptionsDiagnostics()); - } - program.emit(); - ts.Debug.assert(outputText !== undefined, "Output generation failed"); - return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; - } - ts.transpileModule = transpileModule; - function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { - var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); - ts.addRange(diagnostics, output.diagnostics); - return output.outputText; - } - ts.transpile = transpile; - var commandLineOptionsStringToEnum; - function fixupCompilerOptions(options, diagnostics) { - commandLineOptionsStringToEnum = commandLineOptionsStringToEnum || ts.filter(ts.optionDeclarations, function (o) { - return typeof o.type === "object" && !ts.forEachProperty(o.type, function (v) { return typeof v !== "number"; }); - }); - options = ts.clone(options); - var _loop_2 = function (opt) { - if (!ts.hasProperty(options, opt.name)) { - return "continue"; } - var value = options[opt.name]; - if (typeof value === "string") { - options[opt.name] = ts.parseCustomTypeOption(opt, value, diagnostics); + ts.scanner.setText(undefined); + } + if (readImportFiles) { + processImports(); + } + processTripleSlashDirectives(); + if (externalModule) { + if (ambientExternalModules) { + for (var _i = 0, ambientExternalModules_1 = ambientExternalModules; _i < ambientExternalModules_1.length; _i++) { + var decl = ambientExternalModules_1[_i]; + importedFiles.push(decl.ref); + } } - else { - if (!ts.forEachProperty(opt.type, function (v) { return v === value; })) { - diagnostics.push(ts.createCompilerDiagnosticForInvalidCustomType(opt)); + return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: undefined }; + } + else { + var ambientModuleNames = void 0; + if (ambientExternalModules) { + for (var _a = 0, ambientExternalModules_2 = ambientExternalModules; _a < ambientExternalModules_2.length; _a++) { + var decl = ambientExternalModules_2[_a]; + if (decl.depth === 0) { + if (!ambientModuleNames) { + ambientModuleNames = []; + } + ambientModuleNames.push(decl.ref.fileName); + } + else { + importedFiles.push(decl.ref); + } } } - }; - for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) { - var opt = commandLineOptionsStringToEnum_1[_i]; - _loop_2(opt); + return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientModuleNames }; } - return options; } + ts.preProcessFile = preProcessFile; })(ts || (ts = {})); var ts; (function (ts) { - var formatting; - (function (formatting) { - var standardScanner = ts.createScanner(4, false, 0); - var jsxScanner = ts.createScanner(4, false, 1); - var scanner; - var ScanAction; - (function (ScanAction) { - ScanAction[ScanAction["Scan"] = 0] = "Scan"; - ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken"; - ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken"; - ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken"; - ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier"; - ScanAction[ScanAction["RescanJsxText"] = 5] = "RescanJsxText"; - })(ScanAction || (ScanAction = {})); - function getFormattingScanner(sourceFile, startPos, endPos) { - ts.Debug.assert(scanner === undefined, "Scanner should be undefined"); - scanner = sourceFile.languageVariant === 1 ? jsxScanner : standardScanner; - scanner.setText(sourceFile.text); - scanner.setTextPos(startPos); - var wasNewLine = true; - var leadingTrivia; - var trailingTrivia; - var savedPos; - var lastScanAction; - var lastTokenInfo; - return { - advance: advance, - readTokenInfo: readTokenInfo, - isOnToken: isOnToken, - getCurrentLeadingTrivia: function () { return leadingTrivia; }, - lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, - skipToEndOf: skipToEndOf, - close: function () { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - scanner.setText(undefined); - scanner = undefined; - } - }; - function advance() { - ts.Debug.assert(scanner !== undefined, "Scanner should be present"); - lastTokenInfo = undefined; - var isStarted = scanner.getStartPos() !== startPos; - if (isStarted) { - if (trailingTrivia) { - ts.Debug.assert(trailingTrivia.length !== 0); - wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4; - } - else { - wasNewLine = false; - } - } - leadingTrivia = undefined; - trailingTrivia = undefined; - if (!isStarted) { - scanner.scan(); - } - var pos = scanner.getStartPos(); - while (pos < endPos) { - var t = scanner.getToken(); - if (!ts.isTrivia(t)) { - break; + var Rename; + (function (Rename) { + function getRenameInfo(typeChecker, defaultLibFileName, getCanonicalFileName, sourceFile, position) { + var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); + var node = ts.getTouchingWord(sourceFile, position, true); + if (node) { + if (node.kind === 70 || + node.kind === 9 || + ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + ts.isThis(node)) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var declarations = symbol.getDeclarations(); + if (declarations && declarations.length > 0) { + if (ts.forEach(declarations, isDefinedInLibraryFile)) { + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + } + var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var kind = ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node); + if (kind) { + return { + canRename: true, + kind: kind, + displayName: displayName, + localizedErrorMessage: undefined, + fullDisplayName: typeChecker.getFullyQualifiedName(symbol), + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), + triggerSpan: createTriggerSpanForNode(node, sourceFile) + }; + } + } } - scanner.scan(); - var item = { - pos: pos, - end: scanner.getStartPos(), - kind: t - }; - pos = scanner.getStartPos(); - if (!leadingTrivia) { - leadingTrivia = []; + else if (node.kind === 9) { + var type = ts.getStringLiteralTypeForNode(node, typeChecker); + if (type) { + if (isDefinedInLibraryFile(node)) { + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + } + else { + var displayName = ts.stripQuotes(type.text); + return { + canRename: true, + kind: ts.ScriptElementKind.variableElement, + displayName: displayName, + localizedErrorMessage: undefined, + fullDisplayName: displayName, + kindModifiers: ts.ScriptElementKindModifier.none, + triggerSpan: createTriggerSpanForNode(node, sourceFile) + }; + } + } } - leadingTrivia.push(item); } - savedPos = scanner.getStartPos(); } - function shouldRescanGreaterThanToken(node) { - if (node) { - switch (node.kind) { - case 30: - case 65: - case 66: - case 46: - case 45: - return true; + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); + function getRenameInfoError(localizedErrorMessage) { + return { + canRename: false, + localizedErrorMessage: localizedErrorMessage, + displayName: undefined, + fullDisplayName: undefined, + kind: undefined, + kindModifiers: undefined, + triggerSpan: undefined + }; + } + function isDefinedInLibraryFile(declaration) { + if (defaultLibFileName) { + var sourceFile_1 = declaration.getSourceFile(); + var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_1.fileName)); + if (canonicalName === canonicalDefaultLibName) { + return true; } } return false; } - function shouldRescanJsxIdentifier(node) { - if (node.parent) { - switch (node.parent.kind) { - case 246: - case 244: - case 245: - case 243: - return node.kind === 70; - } + function createTriggerSpanForNode(node, sourceFile) { + var start = node.getStart(sourceFile); + var width = node.getWidth(sourceFile); + if (node.kind === 9) { + start += 1; + width -= 2; } - return false; + return ts.createTextSpan(start, width); } - function shouldRescanJsxText(node) { - return node && node.kind === 10; + } + Rename.getRenameInfo = getRenameInfo; + })(Rename = ts.Rename || (ts.Rename = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var SignatureHelp; + (function (SignatureHelp) { + var emptyArray = []; + function getSignatureHelpItems(program, sourceFile, position, cancellationToken) { + var typeChecker = program.getTypeChecker(); + var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position); + if (!startingToken) { + return undefined; } - function shouldRescanSlashToken(container) { - return container.kind === 11; + var argumentInfo = getContainingArgumentInfo(startingToken, position, sourceFile); + cancellationToken.throwIfCancellationRequested(); + if (!argumentInfo) { + return undefined; } - function shouldRescanTemplateToken(container) { - return container.kind === 14 || - container.kind === 15; + var call = argumentInfo.invocation; + var candidates = []; + var resolvedSignature = typeChecker.getResolvedSignature(call, candidates); + cancellationToken.throwIfCancellationRequested(); + if (!candidates.length) { + if (ts.isSourceFileJavaScript(sourceFile)) { + return createJavaScriptSignatureHelpItems(argumentInfo, program); + } + return undefined; } - function startsWithSlashToken(t) { - return t === 40 || t === 62; + return createSignatureHelpItems(candidates, resolvedSignature, argumentInfo, typeChecker); + } + SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; + function createJavaScriptSignatureHelpItems(argumentInfo, program) { + if (argumentInfo.invocation.kind !== 175) { + return undefined; } - function readTokenInfo(n) { - ts.Debug.assert(scanner !== undefined); - if (!isOnToken()) { + var callExpression = argumentInfo.invocation; + var expression = callExpression.expression; + var name = expression.kind === 70 + ? expression + : expression.kind === 173 + ? expression.name + : undefined; + if (!name || !name.text) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { + var sourceFile = _a[_i]; + var nameToDeclarations = sourceFile.getNamedDeclarations(); + var declarations = nameToDeclarations[name.text]; + if (declarations) { + for (var _b = 0, declarations_10 = declarations; _b < declarations_10.length; _b++) { + var declaration = declarations_10[_b]; + var symbol = declaration.symbol; + if (symbol) { + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, declaration); + if (type) { + var callSignatures = type.getCallSignatures(); + if (callSignatures && callSignatures.length) { + return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo, typeChecker); + } + } + } + } + } + } + } + function getImmediatelyContainingArgumentInfo(node, position, sourceFile) { + if (node.parent.kind === 175 || node.parent.kind === 176) { + var callExpression = node.parent; + if (node.kind === 26 || + node.kind === 18) { + var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + ts.Debug.assert(list !== undefined); return { - leadingTrivia: leadingTrivia, - trailingTrivia: undefined, - token: undefined + kind: isTypeArgList ? 0 : 1, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list, sourceFile), + argumentIndex: 0, + argumentCount: getArgumentCount(list) }; } - var expectedScanAction = shouldRescanGreaterThanToken(n) - ? 1 - : shouldRescanSlashToken(n) - ? 2 - : shouldRescanTemplateToken(n) - ? 3 - : shouldRescanJsxIdentifier(n) - ? 4 - : shouldRescanJsxText(n) - ? 5 - : 0; - if (lastTokenInfo && expectedScanAction === lastScanAction) { - return fixTokenKind(lastTokenInfo, n); - } - if (scanner.getStartPos() !== savedPos) { - ts.Debug.assert(lastTokenInfo !== undefined); - scanner.setTextPos(savedPos); - scanner.scan(); - } - var currentToken = scanner.getToken(); - if (expectedScanAction === 1 && currentToken === 28) { - currentToken = scanner.reScanGreaterToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 1; - } - else if (expectedScanAction === 2 && startsWithSlashToken(currentToken)) { - currentToken = scanner.reScanSlashToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 2; - } - else if (expectedScanAction === 3 && currentToken === 17) { - currentToken = scanner.reScanTemplateToken(); - lastScanAction = 3; - } - else if (expectedScanAction === 4 && currentToken === 70) { - currentToken = scanner.scanJsxIdentifier(); - lastScanAction = 4; + var listItemInfo = ts.findListItemInfo(node); + if (listItemInfo) { + var list = listItemInfo.list; + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + var argumentIndex = getArgumentIndex(list, node); + var argumentCount = getArgumentCount(list); + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: isTypeArgList ? 0 : 1, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list, sourceFile), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; } - else if (expectedScanAction === 5) { - currentToken = scanner.reScanJsxToken(); - lastScanAction = 5; + return undefined; + } + else if (node.kind === 12 && node.parent.kind === 177) { + if (ts.isInsideTemplateLiteral(node, position)) { + return getArgumentListInfoForTemplate(node.parent, 0, sourceFile); } - else { - lastScanAction = 0; + } + else if (node.kind === 13 && node.parent.parent.kind === 177) { + var templateExpression = node.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 190); + var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; + return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); + } + else if (node.parent.kind === 198 && node.parent.parent.parent.kind === 177) { + var templateSpan = node.parent; + var templateExpression = templateSpan.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 190); + if (node.kind === 15 && !ts.isInsideTemplateLiteral(node, position)) { + return undefined; } - var token = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (trailingTrivia) { - trailingTrivia = undefined; + var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); + var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node, position); + return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); + } + return undefined; + } + function getArgumentIndex(argumentsList, node) { + var argumentIndex = 0; + var listChildren = argumentsList.getChildren(); + for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { + var child = listChildren_1[_i]; + if (child === node) { + break; } - while (scanner.getStartPos() < endPos) { - currentToken = scanner.scan(); - if (!ts.isTrivia(currentToken)) { - break; - } - var trivia = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (!trailingTrivia) { - trailingTrivia = []; - } - trailingTrivia.push(trivia); - if (currentToken === 4) { - scanner.scan(); - break; - } + if (child.kind !== 25) { + argumentIndex++; } - lastTokenInfo = { - leadingTrivia: leadingTrivia, - trailingTrivia: trailingTrivia, - token: token - }; - return fixTokenKind(lastTokenInfo, n); } - function isOnToken() { - ts.Debug.assert(scanner !== undefined); - var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); - var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); - return startPos < endPos && current !== 1 && !ts.isTrivia(current); + return argumentIndex; + } + function getArgumentCount(argumentsList) { + var listChildren = argumentsList.getChildren(); + var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 25; }); + if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 25) { + argumentCount++; } - function fixTokenKind(tokenInfo, container) { - if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { - tokenInfo.token.kind = container.kind; + return argumentCount; + } + function getArgumentIndexForTemplatePiece(spanIndex, node, position) { + ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); + if (ts.isTemplateLiteralKind(node.kind)) { + if (ts.isInsideTemplateLiteral(node, position)) { + return 0; } - return tokenInfo; - } - function skipToEndOf(node) { - scanner.setTextPos(node.end); - savedPos = scanner.getStartPos(); - lastScanAction = undefined; - lastTokenInfo = undefined; - wasNewLine = false; - leadingTrivia = undefined; - trailingTrivia = undefined; + return spanIndex + 2; } + return spanIndex + 1; } - formatting.getFormattingScanner = getFormattingScanner; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var FormattingContext = (function () { - function FormattingContext(sourceFile, formattingRequestKind) { - this.sourceFile = sourceFile; - this.formattingRequestKind = formattingRequestKind; - } - FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { - ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); - ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); - ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); - ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); - ts.Debug.assert(commonParent !== undefined, "commonParent is null"); - this.currentTokenSpan = currentRange; - this.currentTokenParent = currentTokenParent; - this.nextTokenSpan = nextRange; - this.nextTokenParent = nextTokenParent; - this.contextNode = commonParent; - this.contextNodeAllOnSameLine = undefined; - this.nextNodeAllOnSameLine = undefined; - this.tokensAreOnSameLine = undefined; - this.contextNodeBlockIsOnOneLine = undefined; - this.nextNodeBlockIsOnOneLine = undefined; + function getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile) { + var argumentCount = tagExpression.template.kind === 12 + ? 1 + : tagExpression.template.templateSpans.length + 1; + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: 2, + invocation: tagExpression, + argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression, sourceFile), + argumentIndex: argumentIndex, + argumentCount: argumentCount }; - FormattingContext.prototype.ContextNodeAllOnSameLine = function () { - if (this.contextNodeAllOnSameLine === undefined) { - this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); + } + function getApplicableSpanForArguments(argumentsList, sourceFile) { + var applicableSpanStart = argumentsList.getFullStart(); + var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), false); + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getApplicableSpanForTaggedTemplate(taggedTemplate, sourceFile) { + var template = taggedTemplate.template; + var applicableSpanStart = template.getStart(); + var applicableSpanEnd = template.getEnd(); + if (template.kind === 190) { + var lastSpan = ts.lastOrUndefined(template.templateSpans); + if (lastSpan.literal.getFullWidth() === 0) { + applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, false); } - return this.contextNodeAllOnSameLine; - }; - FormattingContext.prototype.NextNodeAllOnSameLine = function () { - if (this.nextNodeAllOnSameLine === undefined) { - this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); + } + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getContainingArgumentInfo(node, position, sourceFile) { + for (var n = node; n.kind !== 256; n = n.parent) { + if (ts.isFunctionBlock(n)) { + return undefined; } - return this.nextNodeAllOnSameLine; - }; - FormattingContext.prototype.TokensAreOnSameLine = function () { - if (this.tokensAreOnSameLine === undefined) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; - this.tokensAreOnSameLine = (startLine === endLine); + if (n.pos < n.parent.pos || n.end > n.parent.end) { + ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); } - return this.tokensAreOnSameLine; - }; - FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { - if (this.contextNodeBlockIsOnOneLine === undefined) { - this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); + var argumentInfo = getImmediatelyContainingArgumentInfo(n, position, sourceFile); + if (argumentInfo) { + return argumentInfo; } - return this.contextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { - if (this.nextNodeBlockIsOnOneLine === undefined) { - this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); + } + return undefined; + } + SignatureHelp.getContainingArgumentInfo = getContainingArgumentInfo; + function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { + var children = parent.getChildren(sourceFile); + var indexOfOpenerToken = children.indexOf(openerToken); + ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); + return children[indexOfOpenerToken + 1]; + } + function selectBestInvalidOverloadIndex(candidates, argumentCount) { + var maxParamsSignatureIndex = -1; + var maxParams = -1; + for (var i = 0; i < candidates.length; i++) { + var candidate = candidates[i]; + if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { + return i; } - return this.nextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NodeIsOnOneLine = function (node) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; - return startLine === endLine; - }; - FormattingContext.prototype.BlockIsOnOneLine = function (node) { - var openBrace = ts.findChildOfKind(node, 16, this.sourceFile); - var closeBrace = ts.findChildOfKind(node, 17, this.sourceFile); - if (openBrace && closeBrace) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; - return startLine === endLine; + if (candidate.parameters.length > maxParams) { + maxParams = candidate.parameters.length; + maxParamsSignatureIndex = i; } - return false; - }; - return FormattingContext; - }()); - formatting.FormattingContext = FormattingContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (FormattingRequestKind) { - FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument"; - FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection"; - FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter"; - FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon"; - FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 4] = "FormatOnClosingCurlyBrace"; - })(formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {})); - var FormattingRequestKind = formatting.FormattingRequestKind; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rule = (function () { - function Rule(Descriptor, Operation, Flag) { - if (Flag === void 0) { Flag = 0; } - this.Descriptor = Descriptor; - this.Operation = Operation; - this.Flag = Flag; } - Rule.prototype.toString = function () { - return "[desc=" + this.Descriptor + "," + - "operation=" + this.Operation + "," + - "flag=" + this.Flag + "]"; + return maxParamsSignatureIndex; + } + function createSignatureHelpItems(candidates, bestSignature, argumentListInfo, typeChecker) { + var applicableSpan = argumentListInfo.argumentsSpan; + var isTypeParameterList = argumentListInfo.kind === 0; + var invocation = argumentListInfo.invocation; + var callTarget = ts.getInvokedExpression(invocation); + var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); + var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, undefined, undefined); + var items = ts.map(candidates, function (candidateSignature) { + var signatureHelpParameters; + var prefixDisplayParts = []; + var suffixDisplayParts = []; + if (callTargetDisplayParts) { + ts.addRange(prefixDisplayParts, callTargetDisplayParts); + } + if (isTypeParameterList) { + prefixDisplayParts.push(ts.punctuationPart(26)); + var typeParameters = candidateSignature.typeParameters; + signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(28)); + var parameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.thisParameter, candidateSignature.parameters, writer, invocation); + }); + ts.addRange(suffixDisplayParts, parameterParts); + } + else { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); + }); + ts.addRange(prefixDisplayParts, typeParameterParts); + prefixDisplayParts.push(ts.punctuationPart(18)); + var parameters = candidateSignature.parameters; + signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(19)); + } + var returnTypeParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); + }); + ts.addRange(suffixDisplayParts, returnTypeParts); + return { + isVariadic: candidateSignature.hasRestParameter, + prefixDisplayParts: prefixDisplayParts, + suffixDisplayParts: suffixDisplayParts, + separatorDisplayParts: [ts.punctuationPart(25), ts.spacePart()], + parameters: signatureHelpParameters, + documentation: candidateSignature.getDocumentationComment() + }; + }); + var argumentIndex = argumentListInfo.argumentIndex; + var argumentCount = argumentListInfo.argumentCount; + var selectedItemIndex = candidates.indexOf(bestSignature); + if (selectedItemIndex < 0) { + selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); + } + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + items: items, + applicableSpan: applicableSpan, + selectedItemIndex: selectedItemIndex, + argumentIndex: argumentIndex, + argumentCount: argumentCount }; - return Rule; - }()); - formatting.Rule = Rule; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleAction) { - RuleAction[RuleAction["Ignore"] = 1] = "Ignore"; - RuleAction[RuleAction["Space"] = 2] = "Space"; - RuleAction[RuleAction["NewLine"] = 4] = "NewLine"; - RuleAction[RuleAction["Delete"] = 8] = "Delete"; - })(formatting.RuleAction || (formatting.RuleAction = {})); - var RuleAction = formatting.RuleAction; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleDescriptor = (function () { - function RuleDescriptor(LeftTokenRange, RightTokenRange) { - this.LeftTokenRange = LeftTokenRange; - this.RightTokenRange = RightTokenRange; + function createSignatureHelpParameterForParameter(parameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); + }); + return { + name: parameter.name, + documentation: parameter.getDocumentationComment(), + displayParts: displayParts, + isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) + }; } - RuleDescriptor.prototype.toString = function () { - return "[leftRange=" + this.LeftTokenRange + "," + - "rightRange=" + this.RightTokenRange + "]"; - }; - RuleDescriptor.create1 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create2 = function (left, right) { - return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create3 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); - }; - RuleDescriptor.create4 = function (left, right) { - return new RuleDescriptor(left, right); - }; - return RuleDescriptor; - }()); - formatting.RuleDescriptor = RuleDescriptor; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleFlags) { - RuleFlags[RuleFlags["None"] = 0] = "None"; - RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines"; - })(formatting.RuleFlags || (formatting.RuleFlags = {})); - var RuleFlags = formatting.RuleFlags; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperation = (function () { - function RuleOperation(Context, Action) { - this.Context = Context; - this.Action = Action; + function createSignatureHelpParameterForTypeParameter(typeParameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); + }); + return { + name: typeParameter.symbol.name, + documentation: emptyArray, + displayParts: displayParts, + isOptional: false + }; } - RuleOperation.prototype.toString = function () { - return "[context=" + this.Context + "," + - "action=" + this.Action + "]"; - }; - RuleOperation.create1 = function (action) { - return RuleOperation.create2(formatting.RuleOperationContext.Any, action); - }; - RuleOperation.create2 = function (context, action) { - return new RuleOperation(context, action); - }; - return RuleOperation; - }()); - formatting.RuleOperation = RuleOperation; - })(formatting = ts.formatting || (ts.formatting = {})); + } + })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); })(ts || (ts = {})); var ts; (function (ts) { - var formatting; - (function (formatting) { - var RuleOperationContext = (function () { - function RuleOperationContext() { - var funcs = []; - for (var _i = 0; _i < arguments.length; _i++) { - funcs[_i - 0] = arguments[_i]; - } - this.customContextChecks = funcs; + var SymbolDisplay; + (function (SymbolDisplay) { + function getSymbolKind(typeChecker, symbol, location) { + var flags = symbol.getFlags(); + if (flags & 32) + return ts.getDeclarationOfKind(symbol, 193) ? + ts.ScriptElementKind.localClassElement : ts.ScriptElementKind.classElement; + if (flags & 384) + return ts.ScriptElementKind.enumElement; + if (flags & 524288) + return ts.ScriptElementKind.typeElement; + if (flags & 64) + return ts.ScriptElementKind.interfaceElement; + if (flags & 262144) + return ts.ScriptElementKind.typeParameterElement; + var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location); + if (result === ts.ScriptElementKind.unknown) { + if (flags & 262144) + return ts.ScriptElementKind.typeParameterElement; + if (flags & 8) + return ts.ScriptElementKind.variableElement; + if (flags & 8388608) + return ts.ScriptElementKind.alias; + if (flags & 1536) + return ts.ScriptElementKind.moduleElement; } - RuleOperationContext.prototype.IsAny = function () { - return this === RuleOperationContext.Any; - }; - RuleOperationContext.prototype.InContext = function (context) { - if (this.IsAny()) { - return true; + return result; + } + SymbolDisplay.getSymbolKind = getSymbolKind; + function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location) { + if (typeChecker.isUndefinedSymbol(symbol)) { + return ts.ScriptElementKind.variableElement; + } + if (typeChecker.isArgumentsSymbol(symbol)) { + return ts.ScriptElementKind.localVariableElement; + } + if (location.kind === 98 && ts.isExpression(location)) { + return ts.ScriptElementKind.parameterElement; + } + if (flags & 3) { + if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { + return ts.ScriptElementKind.parameterElement; } - for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { - var check = _a[_i]; - if (!check(context)) { - return false; + else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { + return ts.ScriptElementKind.constElement; + } + else if (ts.forEach(symbol.declarations, ts.isLet)) { + return ts.ScriptElementKind.letElement; + } + return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localVariableElement : ts.ScriptElementKind.variableElement; + } + if (flags & 16) + return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localFunctionElement : ts.ScriptElementKind.functionElement; + if (flags & 32768) + return ts.ScriptElementKind.memberGetAccessorElement; + if (flags & 65536) + return ts.ScriptElementKind.memberSetAccessorElement; + if (flags & 8192) + return ts.ScriptElementKind.memberFunctionElement; + if (flags & 16384) + return ts.ScriptElementKind.constructorImplementationElement; + if (flags & 4) { + if (flags & 268435456) { + var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + var rootSymbolFlags = rootSymbol.getFlags(); + if (rootSymbolFlags & (98308 | 3)) { + return ts.ScriptElementKind.memberVariableElement; + } + ts.Debug.assert(!!(rootSymbolFlags & 8192)); + }); + if (!unionPropertyKind) { + var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (typeOfUnionProperty.getCallSignatures().length) { + return ts.ScriptElementKind.memberFunctionElement; + } + return ts.ScriptElementKind.memberVariableElement; + } + return unionPropertyKind; + } + return ts.ScriptElementKind.memberVariableElement; + } + return ts.ScriptElementKind.unknown; + } + function getSymbolModifiers(symbol) { + return symbol && symbol.declarations && symbol.declarations.length > 0 + ? ts.getNodeModifiers(symbol.declarations[0]) + : ts.ScriptElementKindModifier.none; + } + SymbolDisplay.getSymbolModifiers = getSymbolModifiers; + function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { + if (semanticMeaning === void 0) { semanticMeaning = ts.getMeaningFromLocation(location); } + var displayParts = []; + var documentation; + var symbolFlags = symbol.flags; + var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, symbolFlags, location); + var hasAddedSymbolInfo; + var isThisExpression = location.kind === 98 && ts.isExpression(location); + var type; + if (symbolKind !== ts.ScriptElementKind.unknown || symbolFlags & 32 || symbolFlags & 8388608) { + if (symbolKind === ts.ScriptElementKind.memberGetAccessorElement || symbolKind === ts.ScriptElementKind.memberSetAccessorElement) { + symbolKind = ts.ScriptElementKind.memberVariableElement; + } + var signature = void 0; + type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (type) { + if (location.parent && location.parent.kind === 173) { + var right = location.parent.name; + if (right === location || (right && right.getFullWidth() === 0)) { + location = location.parent; + } + } + var callExpression = void 0; + if (location.kind === 175 || location.kind === 176) { + callExpression = location; + } + else if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location)) { + callExpression = location.parent; + } + if (callExpression) { + var candidateSignatures = []; + signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); + if (!signature && candidateSignatures.length) { + signature = candidateSignatures[0]; + } + var useConstructSignatures = callExpression.kind === 176 || callExpression.expression.kind === 96; + var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); + if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { + signature = allSignatures.length ? allSignatures[0] : undefined; + } + if (signature) { + if (useConstructSignatures && (symbolFlags & 32)) { + symbolKind = ts.ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else if (symbolFlags & 8388608) { + symbolKind = ts.ScriptElementKind.alias; + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(93)); + displayParts.push(ts.spacePart()); + } + addFullSymbolName(symbol); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + switch (symbolKind) { + case ts.ScriptElementKind.memberVariableElement: + case ts.ScriptElementKind.variableElement: + case ts.ScriptElementKind.constElement: + case ts.ScriptElementKind.letElement: + case ts.ScriptElementKind.parameterElement: + case ts.ScriptElementKind.localVariableElement: + displayParts.push(ts.punctuationPart(55)); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(93)); + displayParts.push(ts.spacePart()); + } + if (!(type.flags & 32768 && type.objectFlags & 16) && type.symbol) { + ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, undefined, 1)); + } + addSignatureDisplayParts(signature, allSignatures, 8); + break; + default: + addSignatureDisplayParts(signature, allSignatures); + } + hasAddedSymbolInfo = true; + } + } + else if ((ts.isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304)) || + (location.kind === 122 && location.parent.kind === 149)) { + var functionDeclaration = location.parent; + var allSignatures = functionDeclaration.kind === 149 ? type.getNonNullableType().getConstructSignatures() : type.getNonNullableType().getCallSignatures(); + if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { + signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); + } + else { + signature = allSignatures[0]; + } + if (functionDeclaration.kind === 149) { + symbolKind = ts.ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else { + addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 152 && + !(type.symbol.flags & 2048 || type.symbol.flags & 4096) ? type.symbol : symbol, symbolKind); + } + addSignatureDisplayParts(signature, allSignatures); + hasAddedSymbolInfo = true; } } - return true; - }; - return RuleOperationContext; - }()); - RuleOperationContext.Any = new RuleOperationContext(); - formatting.RuleOperationContext = RuleOperationContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rules = (function () { - function Rules() { - this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1)); - this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1)); - this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(55, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 2)); - this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsConditionalOperatorContext), 2)); - this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2)); - this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(17, 81), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(17, 105), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.FromTokens([19, 21, 25, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 22), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(22, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(21, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8)); - this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; - this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([70, 3, 74, 83, 90]); - this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([19, 3, 80, 101, 86, 81]); - this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); - this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); - this.NoSpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); - this.NoSpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); - this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectContext), 8)); - this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); - this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); - this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(43, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(42, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(36, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(36, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(43, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(37, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(37, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([103, 99, 93, 79, 95, 102, 120]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([109, 75]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2)); - this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8)); - this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(88, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionDeclContext), 8)); - this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(104, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsVoidOpContext), 2)); - this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(95, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([19, 80, 81, 72]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNotForContext), 2)); - this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([101, 86]), 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([124, 132]), 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(122, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([126, 130]), 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([116, 74, 123, 78, 82, 83, 84, 124, 107, 90, 108, 126, 127, 111, 113, 112, 132, 114, 135, 137]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([84, 107, 137])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2)); - this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(35, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(23, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.FromTokens([19, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(19, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(26, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.FromTokens([18, 20, 28, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectTypeContext), 8)); - this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 56), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(56, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([116, 70, 83, 78, 74, 114, 113, 111, 112, 124, 132, 20, 38])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2)); - this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(88, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8)); - this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(38, formatting.Shared.TokenRange.FromTokens([70, 18])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2)); - this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(115, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8)); - this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115, 38]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2)); - this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(119, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(119, 88), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(70, formatting.Shared.TokenRange.FromTokens([12, 13])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceBeforeJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNextTokenParentJsxAttribute, Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeSlashInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 40), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create1(40, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 57), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create3(57, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); - this.HighPriorityCommonRules = [ - this.IgnoreBeforeComment, this.IgnoreAfterLineComment, - this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, - this.NoSpaceAfterQuestionMark, - this.NoSpaceBeforeDot, this.NoSpaceAfterDot, - this.NoSpaceAfterUnaryPrefixOperator, - this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, - this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, - this.SpaceAfterPostincrementWhenFollowedByAdd, - this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, - this.SpaceAfterPostdecrementWhenFollowedBySubtract, - this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, - this.NoSpaceAfterCloseBrace, - this.NewLineBeforeCloseBraceInBlockContext, - this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, - this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, - this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, - this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, - this.NoSpaceBetweenReturnAndSemicolon, - this.SpaceAfterCertainKeywords, - this.SpaceAfterLetConstInVariableDeclaration, - this.NoSpaceBeforeOpenParenInFuncCall, - this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, - this.SpaceAfterVoidOperator, - this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, - this.NoSpaceBetweenTagAndTemplateString, - this.SpaceBeforeJsxAttribute, this.SpaceBeforeSlashInJsxOpeningElement, this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement, - this.NoSpaceBeforeEqualInJsxAttribute, this.NoSpaceAfterEqualInJsxAttribute, - this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, - this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, - this.SpaceAfterModuleName, - this.SpaceBeforeArrow, this.SpaceAfterArrow, - this.NoSpaceAfterEllipsis, - this.NoSpaceAfterOptionalParameters, - this.NoSpaceBetweenEmptyInterfaceBraceBrackets, - this.NoSpaceBeforeOpenAngularBracket, - this.NoSpaceBetweenCloseParenAndAngularBracket, - this.NoSpaceAfterOpenAngularBracket, - this.NoSpaceBeforeCloseAngularBracket, - this.NoSpaceAfterCloseAngularBracket, - this.SpaceBeforeAt, - this.NoSpaceAfterAt, - this.SpaceAfterDecorator, - ]; - this.LowPriorityCommonRules = [ - this.NoSpaceBeforeSemicolon, - this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, - this.NoSpaceBeforeComma, - this.NoSpaceBeforeOpenBracket, - this.NoSpaceAfterCloseBracket, - this.SpaceAfterSemicolon, - this.NoSpaceBeforeOpenParenInFuncDecl, - this.SpaceBetweenStatements, this.SpaceAfterTryFinally - ]; - this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNextTokenNotCloseBracket), 2)); - this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext), 8)); - this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); - this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); - this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2)); - this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8)); - this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 2)); - this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 8)); - this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(18, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(20, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); - this.SpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); - this.NoSpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); - this.SpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); - this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8)); - this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 8)); - this.SpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 2)); } - Rules.prototype.getRuleName = function (rule) { - var o = this; - for (var name_51 in o) { - if (o[name_51] === rule) { - return name_51; + if (symbolFlags & 32 && !hasAddedSymbolInfo && !isThisExpression) { + if (ts.getDeclarationOfKind(symbol, 193)) { + pushTypePart(ts.ScriptElementKind.localClassElement); + } + else { + displayParts.push(ts.keywordPart(74)); + } + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if ((symbolFlags & 64) && (semanticMeaning & 2)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(108)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if (symbolFlags & 524288) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(135)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration, 512)); + } + if (symbolFlags & 384) { + addNewLineIfDisplayPartsExist(); + if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { + displayParts.push(ts.keywordPart(75)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(82)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if (symbolFlags & 1536) { + addNewLineIfDisplayPartsExist(); + var declaration = ts.getDeclarationOfKind(symbol, 226); + var isNamespace = declaration && declaration.name && declaration.name.kind === 70; + displayParts.push(ts.keywordPart(isNamespace ? 127 : 126)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if ((symbolFlags & 262144) && (semanticMeaning & 2)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.textPart("type parameter")); + displayParts.push(ts.punctuationPart(19)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(91)); + displayParts.push(ts.spacePart()); + if (symbol.parent) { + addFullSymbolName(symbol.parent, enclosingDeclaration); + writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + else { + var declaration = ts.getDeclarationOfKind(symbol, 142); + ts.Debug.assert(declaration !== undefined); + declaration = declaration.parent; + if (declaration) { + if (ts.isFunctionLikeKind(declaration.kind)) { + var signature = typeChecker.getSignatureFromDeclaration(declaration); + if (declaration.kind === 153) { + displayParts.push(ts.keywordPart(93)); + displayParts.push(ts.spacePart()); + } + else if (declaration.kind !== 152 && declaration.name) { + addFullSymbolName(declaration.symbol); + } + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32)); + } + else { + displayParts.push(ts.keywordPart(135)); + displayParts.push(ts.spacePart()); + addFullSymbolName(declaration.symbol); + writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + } } } - throw new Error("Unknown rule"); - }; - Rules.IsForContext = function (context) { - return context.contextNode.kind === 207; - }; - Rules.IsNotForContext = function (context) { - return !Rules.IsForContext(context); - }; - Rules.IsBinaryOpContext = function (context) { - switch (context.contextNode.kind) { - case 188: - case 189: - case 196: - case 239: - case 235: - case 155: - case 163: - case 164: - return true; - case 170: - case 224: - case 230: - case 219: - case 143: - case 255: - case 146: - case 145: - return context.currentTokenSpan.kind === 57 || context.nextTokenSpan.kind === 57; - case 208: - return context.currentTokenSpan.kind === 91 || context.nextTokenSpan.kind === 91; - case 209: - return context.currentTokenSpan.kind === 139 || context.nextTokenSpan.kind === 139; + } + if (symbolFlags & 8) { + addPrefixForAnyFunctionOrVar(symbol, "enum member"); + var declaration = symbol.declarations[0]; + if (declaration.kind === 255) { + var constantValue = typeChecker.getConstantValue(declaration); + if (constantValue !== undefined) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.displayPart(constantValue.toString(), ts.SymbolDisplayPartKind.numericLiteral)); + } } - return false; - }; - Rules.IsNotBinaryOpContext = function (context) { - return !Rules.IsBinaryOpContext(context); - }; - Rules.IsConditionalOperatorContext = function (context) { - return context.contextNode.kind === 189; - }; - Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { - return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); - }; - Rules.IsBeforeMultilineBlockContext = function (context) { - return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); - }; - Rules.IsMultilineBlockContext = function (context) { - return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsSingleLineBlockContext = function (context) { - return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.contextNode); - }; - Rules.IsBeforeBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.nextTokenParent); - }; - Rules.NodeIsBlockContext = function (node) { - if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { - return true; + } + if (symbolFlags & 8388608) { + addNewLineIfDisplayPartsExist(); + if (symbol.declarations[0].kind === 229) { + displayParts.push(ts.keywordPart(83)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(127)); } - switch (node.kind) { - case 200: - case 228: - case 172: - case 227: - return true; + else { + displayParts.push(ts.keywordPart(90)); } - return false; - }; - Rules.IsFunctionDeclContext = function (context) { - switch (context.contextNode.kind) { - case 221: - case 148: - case 147: - case 150: - case 151: - case 152: - case 180: - case 149: - case 181: - case 223: + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 230) { + var importEqualsDeclaration = declaration; + if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(130)); + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), ts.SymbolDisplayPartKind.stringLiteral)); + displayParts.push(ts.punctuationPart(19)); + } + else { + var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); + if (internalAliasSymbol) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + } + } return true; + } + }); + } + if (!hasAddedSymbolInfo) { + if (symbolKind !== ts.ScriptElementKind.unknown) { + if (type) { + if (isThisExpression) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(98)); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + if (symbolKind === ts.ScriptElementKind.memberVariableElement || + symbolFlags & 3 || + symbolKind === ts.ScriptElementKind.localVariableElement || + isThisExpression) { + displayParts.push(ts.punctuationPart(55)); + displayParts.push(ts.spacePart()); + if (type.symbol && type.symbol.flags & 262144) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + else { + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + } + else if (symbolFlags & 16 || + symbolFlags & 8192 || + symbolFlags & 16384 || + symbolFlags & 131072 || + symbolFlags & 98304 || + symbolKind === ts.ScriptElementKind.memberFunctionElement) { + var allSignatures = type.getNonNullableType().getCallSignatures(); + addSignatureDisplayParts(allSignatures[0], allSignatures); + } + } } - return false; - }; - Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { - return context.contextNode.kind === 221 || context.contextNode.kind === 180; - }; - Rules.IsTypeScriptDeclWithBlockContext = function (context) { - return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); - }; - Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { - switch (node.kind) { - case 222: - case 193: - case 223: - case 225: - case 160: - case 226: - case 237: - case 238: - case 231: - case 234: - return true; + else { + symbolKind = getSymbolKind(typeChecker, symbol, location); } - return false; - }; - Rules.IsAfterCodeBlockContext = function (context) { - switch (context.currentTokenParent.kind) { - case 222: - case 226: - case 225: - case 200: - case 252: - case 227: - case 214: - return true; + } + if (!documentation) { + documentation = symbol.getDocumentationComment(); + if (documentation.length === 0 && symbol.flags & 4) { + if (symbol.parent && ts.forEach(symbol.parent.declarations, function (declaration) { return declaration.kind === 256; })) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (!declaration.parent || declaration.parent.kind !== 188) { + continue; + } + var rhsSymbol = typeChecker.getSymbolAtLocation(declaration.parent.right); + if (!rhsSymbol) { + continue; + } + documentation = rhsSymbol.getDocumentationComment(); + if (documentation.length > 0) { + break; + } + } + } } - return false; - }; - Rules.IsControlDeclContext = function (context) { - switch (context.contextNode.kind) { - case 204: - case 214: - case 207: - case 208: - case 209: - case 206: - case 217: - case 205: - case 213: - case 252: - return true; + } + return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; + function addNewLineIfDisplayPartsExist() { + if (displayParts.length) { + displayParts.push(ts.lineBreakPart()); + } + } + function addFullSymbolName(symbol, enclosingDeclaration) { + var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, undefined, 1 | 2); + ts.addRange(displayParts, fullSymbolDisplayParts); + } + function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { + addNewLineIfDisplayPartsExist(); + if (symbolKind) { + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + } + function pushTypePart(symbolKind) { + switch (symbolKind) { + case ts.ScriptElementKind.variableElement: + case ts.ScriptElementKind.functionElement: + case ts.ScriptElementKind.letElement: + case ts.ScriptElementKind.constElement: + case ts.ScriptElementKind.constructorImplementationElement: + displayParts.push(ts.textOrKeywordPart(symbolKind)); + return; default: - return false; + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.textOrKeywordPart(symbolKind)); + displayParts.push(ts.punctuationPart(19)); + return; } - }; - Rules.IsObjectContext = function (context) { - return context.contextNode.kind === 172; - }; - Rules.IsFunctionCallContext = function (context) { - return context.contextNode.kind === 175; - }; - Rules.IsNewContext = function (context) { - return context.contextNode.kind === 176; - }; - Rules.IsFunctionCallOrNewContext = function (context) { - return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); - }; - Rules.IsPreviousTokenNotComma = function (context) { - return context.currentTokenSpan.kind !== 25; - }; - Rules.IsNextTokenNotCloseBracket = function (context) { - return context.nextTokenSpan.kind !== 21; - }; - Rules.IsArrowFunctionContext = function (context) { - return context.contextNode.kind === 181; - }; - Rules.IsNonJsxSameLineTokenContext = function (context) { - return context.TokensAreOnSameLine() && context.contextNode.kind !== 10; - }; - Rules.IsNonJsxElementContext = function (context) { - return context.contextNode.kind !== 242; - }; - Rules.IsJsxExpressionContext = function (context) { - return context.contextNode.kind === 248; - }; - Rules.IsNextTokenParentJsxAttribute = function (context) { - return context.nextTokenParent.kind === 246; - }; - Rules.IsJsxAttributeContext = function (context) { - return context.contextNode.kind === 246; - }; - Rules.IsJsxSelfClosingElementContext = function (context) { - return context.contextNode.kind === 243; - }; - Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { - return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); - }; - Rules.IsEndOfDecoratorContextOnSameLine = function (context) { - return context.TokensAreOnSameLine() && - context.contextNode.decorators && - Rules.NodeIsInDecoratorContext(context.currentTokenParent) && - !Rules.NodeIsInDecoratorContext(context.nextTokenParent); - }; - Rules.NodeIsInDecoratorContext = function (node) { - while (ts.isPartOfExpression(node)) { - node = node.parent; + } + function addSignatureDisplayParts(signature, allSignatures, flags) { + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32)); + if (allSignatures.length > 1) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.operatorPart(36)); + displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), ts.SymbolDisplayPartKind.numericLiteral)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); + displayParts.push(ts.punctuationPart(19)); } - return node.kind === 144; - }; - Rules.IsStartOfVariableDeclarationList = function (context) { - return context.currentTokenParent.kind === 220 && - context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; - }; - Rules.IsNotFormatOnEnter = function (context) { - return context.formattingRequestKind !== 2; - }; - Rules.IsModuleDeclContext = function (context) { - return context.contextNode.kind === 226; - }; - Rules.IsObjectTypeContext = function (context) { - return context.contextNode.kind === 160; - }; - Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { - if (token.kind !== 26 && token.kind !== 28) { + documentation = signature.getDocumentationComment(); + } + function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + } + SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind = getSymbolDisplayPartsDocumentationAndSymbolKind; + function isLocalVariableOrFunction(symbol) { + if (symbol.parent) { + return false; + } + return ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 180) { + return true; + } + if (declaration.kind !== 219 && declaration.kind !== 221) { return false; } - switch (parent.kind) { - case 156: - case 178: - case 222: - case 193: - case 223: - case 221: - case 180: - case 181: - case 148: - case 147: - case 152: - case 153: - case 175: - case 176: - case 195: - return true; - default: - return false; + for (var parent_23 = declaration.parent; !ts.isFunctionBlock(parent_23); parent_23 = parent_23.parent) { + if (parent_23.kind === 256 || parent_23.kind === 227) { + return false; + } + } + return true; + }); + } + })(SymbolDisplay = ts.SymbolDisplay || (ts.SymbolDisplay = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function transpileModule(input, transpileOptions) { + var diagnostics = []; + var options = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : ts.getDefaultCompilerOptions(); + options.isolatedModules = true; + options.suppressOutputPathCheck = true; + options.allowNonTsExtensions = true; + options.noLib = true; + options.lib = undefined; + options.types = undefined; + options.noEmit = undefined; + options.noEmitOnError = undefined; + options.paths = undefined; + options.rootDirs = undefined; + options.declaration = undefined; + options.declarationDir = undefined; + options.out = undefined; + options.outFile = undefined; + options.noResolve = true; + var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); + var sourceFile = ts.createSourceFile(inputFileName, input, options.target); + if (transpileOptions.moduleName) { + sourceFile.moduleName = transpileOptions.moduleName; + } + if (transpileOptions.renamedDependencies) { + sourceFile.renamedDependencies = ts.createMap(transpileOptions.renamedDependencies); + } + var newLine = ts.getNewLineCharacter(options); + var outputText; + var sourceMapText; + var compilerHost = { + getSourceFile: function (fileName) { return fileName === ts.normalizePath(inputFileName) ? sourceFile : undefined; }, + writeFile: function (name, text) { + if (ts.fileExtensionIs(name, ".map")) { + ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); + sourceMapText = text; + } + else { + ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); + outputText = text; } - }; - Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { - return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || - Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); - }; - Rules.IsTypeAssertionContext = function (context) { - return context.contextNode.kind === 178; - }; - Rules.IsVoidOpContext = function (context) { - return context.currentTokenSpan.kind === 104 && context.currentTokenParent.kind === 184; - }; - Rules.IsYieldOrYieldStarWithOperand = function (context) { - return context.contextNode.kind === 191 && context.contextNode.expression !== undefined; - }; - return Rules; - }()); - formatting.Rules = Rules; - })(formatting = ts.formatting || (ts.formatting = {})); + }, + getDefaultLibFileName: function () { return "lib.d.ts"; }, + useCaseSensitiveFileNames: function () { return false; }, + getCanonicalFileName: function (fileName) { return fileName; }, + getCurrentDirectory: function () { return ""; }, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return fileName === inputFileName; }, + readFile: function () { return ""; }, + directoryExists: function () { return true; }, + getDirectories: function () { return []; } + }; + var program = ts.createProgram([inputFileName], options, compilerHost); + if (transpileOptions.reportDiagnostics) { + ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile)); + ts.addRange(diagnostics, program.getOptionsDiagnostics()); + } + program.emit(); + ts.Debug.assert(outputText !== undefined, "Output generation failed"); + return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; + } + ts.transpileModule = transpileModule; + function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { + var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); + ts.addRange(diagnostics, output.diagnostics); + return output.outputText; + } + ts.transpile = transpile; + var commandLineOptionsStringToEnum; + function fixupCompilerOptions(options, diagnostics) { + commandLineOptionsStringToEnum = commandLineOptionsStringToEnum || ts.filter(ts.optionDeclarations, function (o) { + return typeof o.type === "object" && !ts.forEachProperty(o.type, function (v) { return typeof v !== "number"; }); + }); + options = ts.clone(options); + var _loop_3 = function (opt) { + if (!ts.hasProperty(options, opt.name)) { + return "continue"; + } + var value = options[opt.name]; + if (typeof value === "string") { + options[opt.name] = ts.parseCustomTypeOption(opt, value, diagnostics); + } + else { + if (!ts.forEachProperty(opt.type, function (v) { return v === value; })) { + diagnostics.push(ts.createCompilerDiagnosticForInvalidCustomType(opt)); + } + } + }; + for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) { + var opt = commandLineOptionsStringToEnum_1[_i]; + _loop_3(opt); + } + return options; + } })(ts || (ts = {})); var ts; (function (ts) { var formatting; (function (formatting) { - var RulesMap = (function () { - function RulesMap() { - this.map = []; - this.mapRowLength = 0; - } - RulesMap.create = function (rules) { - var result = new RulesMap(); - result.Initialize(rules); - return result; - }; - RulesMap.prototype.Initialize = function (rules) { - this.mapRowLength = 139 + 1; - this.map = new Array(this.mapRowLength * this.mapRowLength); - var rulesBucketConstructionStateList = new Array(this.map.length); - this.FillRules(rules, rulesBucketConstructionStateList); - return this.map; - }; - RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { - var _this = this; - rules.forEach(function (rule) { - _this.FillRule(rule, rulesBucketConstructionStateList); - }); - }; - RulesMap.prototype.GetRuleBucketIndex = function (row, column) { - ts.Debug.assert(row <= 139 && column <= 139, "Must compute formatting context from tokens"); - var rulesBucketIndex = (row * this.mapRowLength) + column; - return rulesBucketIndex; - }; - RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { - var _this = this; - var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && - rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; - rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { - rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { - var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); - var rulesBucket = _this.map[rulesBucketIndex]; - if (rulesBucket === undefined) { - rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); - } - rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); - }); - }); + var standardScanner = ts.createScanner(4, false, 0); + var jsxScanner = ts.createScanner(4, false, 1); + var scanner; + function getFormattingScanner(sourceFile, startPos, endPos) { + ts.Debug.assert(scanner === undefined, "Scanner should be undefined"); + scanner = sourceFile.languageVariant === 1 ? jsxScanner : standardScanner; + scanner.setText(sourceFile.text); + scanner.setTextPos(startPos); + var wasNewLine = true; + var leadingTrivia; + var trailingTrivia; + var savedPos; + var lastScanAction; + var lastTokenInfo; + return { + advance: advance, + readTokenInfo: readTokenInfo, + isOnToken: isOnToken, + getCurrentLeadingTrivia: function () { return leadingTrivia; }, + lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, + skipToEndOf: skipToEndOf, + close: function () { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + scanner.setText(undefined); + scanner = undefined; + } }; - RulesMap.prototype.GetRule = function (context) { - var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); - var bucket = this.map[bucketIndex]; - if (bucket) { - for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { - var rule = _a[_i]; - if (rule.Operation.Context.InContext(context)) { - return rule; - } + function advance() { + ts.Debug.assert(scanner !== undefined, "Scanner should be present"); + lastTokenInfo = undefined; + var isStarted = scanner.getStartPos() !== startPos; + if (isStarted) { + if (trailingTrivia) { + ts.Debug.assert(trailingTrivia.length !== 0); + wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4; + } + else { + wasNewLine = false; } } - return undefined; - }; - return RulesMap; - }()); - formatting.RulesMap = RulesMap; - var MaskBitSize = 5; - var Mask = 0x1f; - (function (RulesPosition) { - RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; - RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; - RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; - RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; - RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; - RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; - })(formatting.RulesPosition || (formatting.RulesPosition = {})); - var RulesPosition = formatting.RulesPosition; - var RulesBucketConstructionState = (function () { - function RulesBucketConstructionState() { - this.rulesInsertionIndexBitmap = 0; + leadingTrivia = undefined; + trailingTrivia = undefined; + if (!isStarted) { + scanner.scan(); + } + var pos = scanner.getStartPos(); + while (pos < endPos) { + var t = scanner.getToken(); + if (!ts.isTrivia(t)) { + break; + } + scanner.scan(); + var item = { + pos: pos, + end: scanner.getStartPos(), + kind: t + }; + pos = scanner.getStartPos(); + if (!leadingTrivia) { + leadingTrivia = []; + } + leadingTrivia.push(item); + } + savedPos = scanner.getStartPos(); } - RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { - var index = 0; - var pos = 0; - var indexBitmap = this.rulesInsertionIndexBitmap; - while (pos <= maskPosition) { - index += (indexBitmap & Mask); - indexBitmap >>= MaskBitSize; - pos += MaskBitSize; + function shouldRescanGreaterThanToken(node) { + if (node) { + switch (node.kind) { + case 30: + case 65: + case 66: + case 46: + case 45: + return true; + } } - return index; - }; - RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { - var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; - value++; - ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); - var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); - temp |= value << maskPosition; - this.rulesInsertionIndexBitmap = temp; - }; - return RulesBucketConstructionState; - }()); - formatting.RulesBucketConstructionState = RulesBucketConstructionState; - var RulesBucket = (function () { - function RulesBucket() { - this.rules = []; + return false; } - RulesBucket.prototype.Rules = function () { - return this.rules; - }; - RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { - var position; - if (rule.Operation.Action === 1) { - position = specificTokens ? - RulesPosition.IgnoreRulesSpecific : - RulesPosition.IgnoreRulesAny; + function shouldRescanJsxIdentifier(node) { + if (node.parent) { + switch (node.parent.kind) { + case 246: + case 244: + case 245: + case 243: + return node.kind === 70; + } } - else if (!rule.Operation.Context.IsAny()) { - position = specificTokens ? - RulesPosition.ContextRulesSpecific : - RulesPosition.ContextRulesAny; + return false; + } + function shouldRescanJsxText(node) { + return node && node.kind === 10; + } + function shouldRescanSlashToken(container) { + return container.kind === 11; + } + function shouldRescanTemplateToken(container) { + return container.kind === 14 || + container.kind === 15; + } + function startsWithSlashToken(t) { + return t === 40 || t === 62; + } + function readTokenInfo(n) { + ts.Debug.assert(scanner !== undefined); + if (!isOnToken()) { + return { + leadingTrivia: leadingTrivia, + trailingTrivia: undefined, + token: undefined + }; } - else { - position = specificTokens ? - RulesPosition.NoContextRulesSpecific : - RulesPosition.NoContextRulesAny; + var expectedScanAction = shouldRescanGreaterThanToken(n) + ? 1 + : shouldRescanSlashToken(n) + ? 2 + : shouldRescanTemplateToken(n) + ? 3 + : shouldRescanJsxIdentifier(n) + ? 4 + : shouldRescanJsxText(n) + ? 5 + : 0; + if (lastTokenInfo && expectedScanAction === lastScanAction) { + return fixTokenKind(lastTokenInfo, n); } - var state = constructionState[rulesBucketIndex]; - if (state === undefined) { - state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); + if (scanner.getStartPos() !== savedPos) { + ts.Debug.assert(lastTokenInfo !== undefined); + scanner.setTextPos(savedPos); + scanner.scan(); } - var index = state.GetInsertionIndex(position); - this.rules.splice(index, 0, rule); - state.IncreaseInsertionIndex(position); - }; - return RulesBucket; - }()); - formatting.RulesBucket = RulesBucket; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Shared; - (function (Shared) { - var TokenRangeAccess = (function () { - function TokenRangeAccess(from, to, except) { - this.tokens = []; - for (var token = from; token <= to; token++) { - if (ts.indexOf(except, token) < 0) { - this.tokens.push(token); - } - } + var currentToken = scanner.getToken(); + if (expectedScanAction === 1 && currentToken === 28) { + currentToken = scanner.reScanGreaterToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 1; } - TokenRangeAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenRangeAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenRangeAccess; - }()); - Shared.TokenRangeAccess = TokenRangeAccess; - var TokenValuesAccess = (function () { - function TokenValuesAccess(tks) { - this.tokens = tks && tks.length ? tks : []; + else if (expectedScanAction === 2 && startsWithSlashToken(currentToken)) { + currentToken = scanner.reScanSlashToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 2; } - TokenValuesAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenValuesAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenValuesAccess; - }()); - Shared.TokenValuesAccess = TokenValuesAccess; - var TokenSingleValueAccess = (function () { - function TokenSingleValueAccess(token) { - this.token = token; + else if (expectedScanAction === 3 && currentToken === 17) { + currentToken = scanner.reScanTemplateToken(); + lastScanAction = 3; } - TokenSingleValueAccess.prototype.GetTokens = function () { - return [this.token]; - }; - TokenSingleValueAccess.prototype.Contains = function (tokenValue) { - return tokenValue === this.token; + else if (expectedScanAction === 4 && currentToken === 70) { + currentToken = scanner.scanJsxIdentifier(); + lastScanAction = 4; + } + else if (expectedScanAction === 5) { + currentToken = scanner.reScanJsxToken(); + lastScanAction = 5; + } + else { + lastScanAction = 0; + } + var token = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken }; - return TokenSingleValueAccess; - }()); - Shared.TokenSingleValueAccess = TokenSingleValueAccess; - var TokenAllAccess = (function () { - function TokenAllAccess() { + if (trailingTrivia) { + trailingTrivia = undefined; } - TokenAllAccess.prototype.GetTokens = function () { - var result = []; - for (var token = 0; token <= 139; token++) { - result.push(token); + while (scanner.getStartPos() < endPos) { + currentToken = scanner.scan(); + if (!ts.isTrivia(currentToken)) { + break; + } + var trivia = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + if (!trailingTrivia) { + trailingTrivia = []; + } + trailingTrivia.push(trivia); + if (currentToken === 4) { + scanner.scan(); + break; } - return result; - }; - TokenAllAccess.prototype.Contains = function () { - return true; - }; - TokenAllAccess.prototype.toString = function () { - return "[allTokens]"; - }; - return TokenAllAccess; - }()); - Shared.TokenAllAccess = TokenAllAccess; - var TokenRange = (function () { - function TokenRange(tokenAccess) { - this.tokenAccess = tokenAccess; } - TokenRange.FromToken = function (token) { - return new TokenRange(new TokenSingleValueAccess(token)); - }; - TokenRange.FromTokens = function (tokens) { - return new TokenRange(new TokenValuesAccess(tokens)); - }; - TokenRange.FromRange = function (f, to, except) { - if (except === void 0) { except = []; } - return new TokenRange(new TokenRangeAccess(f, to, except)); - }; - TokenRange.AllTokens = function () { - return new TokenRange(new TokenAllAccess()); - }; - TokenRange.prototype.GetTokens = function () { - return this.tokenAccess.GetTokens(); - }; - TokenRange.prototype.Contains = function (token) { - return this.tokenAccess.Contains(token); - }; - TokenRange.prototype.toString = function () { - return this.tokenAccess.toString(); + lastTokenInfo = { + leadingTrivia: leadingTrivia, + trailingTrivia: trailingTrivia, + token: token }; - return TokenRange; - }()); - TokenRange.Any = TokenRange.AllTokens(); - TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3])); - TokenRange.Keywords = TokenRange.FromRange(71, 139); - TokenRange.BinaryOperators = TokenRange.FromRange(26, 69); - TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([91, 92, 139, 117, 125]); - TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([42, 43, 51, 50]); - TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8, 70, 18, 20, 16, 98, 93]); - TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); - TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); - TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); - TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); - TokenRange.Comments = TokenRange.FromTokens([2, 3]); - TokenRange.TypeNames = TokenRange.FromTokens([70, 131, 133, 121, 134, 104, 118]); - Shared.TokenRange = TokenRange; - })(Shared = formatting.Shared || (formatting.Shared = {})); + return fixTokenKind(lastTokenInfo, n); + } + function isOnToken() { + ts.Debug.assert(scanner !== undefined); + var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); + var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); + return startPos < endPos && current !== 1 && !ts.isTrivia(current); + } + function fixTokenKind(tokenInfo, container) { + if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { + tokenInfo.token.kind = container.kind; + } + return tokenInfo; + } + function skipToEndOf(node) { + scanner.setTextPos(node.end); + savedPos = scanner.getStartPos(); + lastScanAction = undefined; + lastTokenInfo = undefined; + wasNewLine = false; + leadingTrivia = undefined; + trailingTrivia = undefined; + } + } + formatting.getFormattingScanner = getFormattingScanner; })(formatting = ts.formatting || (ts.formatting = {})); })(ts || (ts = {})); var ts; (function (ts) { var formatting; (function (formatting) { - var RulesProvider = (function () { - function RulesProvider() { - this.globalRules = new formatting.Rules(); + var FormattingContext = (function () { + function FormattingContext(sourceFile, formattingRequestKind) { + this.sourceFile = sourceFile; + this.formattingRequestKind = formattingRequestKind; } - RulesProvider.prototype.getRuleName = function (rule) { - return this.globalRules.getRuleName(rule); - }; - RulesProvider.prototype.getRuleByName = function (name) { - return this.globalRules[name]; - }; - RulesProvider.prototype.getRulesMap = function () { - return this.rulesMap; + FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { + ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); + ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); + ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); + ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); + ts.Debug.assert(commonParent !== undefined, "commonParent is null"); + this.currentTokenSpan = currentRange; + this.currentTokenParent = currentTokenParent; + this.nextTokenSpan = nextRange; + this.nextTokenParent = nextTokenParent; + this.contextNode = commonParent; + this.contextNodeAllOnSameLine = undefined; + this.nextNodeAllOnSameLine = undefined; + this.tokensAreOnSameLine = undefined; + this.contextNodeBlockIsOnOneLine = undefined; + this.nextNodeBlockIsOnOneLine = undefined; }; - RulesProvider.prototype.ensureUpToDate = function (options) { - if (!this.options || !ts.compareDataObjects(this.options, options)) { - var activeRules = this.createActiveRules(options); - var rulesMap = formatting.RulesMap.create(activeRules); - this.activeRules = activeRules; - this.rulesMap = rulesMap; - this.options = ts.clone(options); + FormattingContext.prototype.ContextNodeAllOnSameLine = function () { + if (this.contextNodeAllOnSameLine === undefined) { + this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); } + return this.contextNodeAllOnSameLine; }; - RulesProvider.prototype.createActiveRules = function (options) { - var rules = this.globalRules.HighPriorityCommonRules.slice(0); - if (options.insertSpaceAfterCommaDelimiter) { - rules.push(this.globalRules.SpaceAfterComma); - } - else { - rules.push(this.globalRules.NoSpaceAfterComma); - } - if (options.insertSpaceAfterFunctionKeywordForAnonymousFunctions) { - rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); - } - else { - rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); - } - if (options.insertSpaceAfterKeywordsInControlFlowStatements) { - rules.push(this.globalRules.SpaceAfterKeywordInControl); - } - else { - rules.push(this.globalRules.NoSpaceAfterKeywordInControl); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { - rules.push(this.globalRules.SpaceAfterOpenParen); - rules.push(this.globalRules.SpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenParen); - rules.push(this.globalRules.NoSpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { - rules.push(this.globalRules.SpaceAfterOpenBracket); - rules.push(this.globalRules.SpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBracket); - rules.push(this.globalRules.NoSpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces !== false) { - rules.push(this.globalRules.SpaceAfterOpenBrace); - rules.push(this.globalRules.SpaceBeforeCloseBrace); - rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBrace); - rules.push(this.globalRules.NoSpaceBeforeCloseBrace); - rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { - rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); - } - else { - rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces) { - rules.push(this.globalRules.SpaceAfterOpenBraceInJsxExpression); - rules.push(this.globalRules.SpaceBeforeCloseBraceInJsxExpression); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBraceInJsxExpression); - rules.push(this.globalRules.NoSpaceBeforeCloseBraceInJsxExpression); - } - if (options.insertSpaceAfterSemicolonInForStatements) { - rules.push(this.globalRules.SpaceAfterSemicolonInFor); - } - else { - rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); - } - if (options.insertSpaceBeforeAndAfterBinaryOperators) { - rules.push(this.globalRules.SpaceBeforeBinaryOperator); - rules.push(this.globalRules.SpaceAfterBinaryOperator); - } - else { - rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); - rules.push(this.globalRules.NoSpaceAfterBinaryOperator); + FormattingContext.prototype.NextNodeAllOnSameLine = function () { + if (this.nextNodeAllOnSameLine === undefined) { + this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); } - if (options.placeOpenBraceOnNewLineForControlBlocks) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); + return this.nextNodeAllOnSameLine; + }; + FormattingContext.prototype.TokensAreOnSameLine = function () { + if (this.tokensAreOnSameLine === undefined) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; + this.tokensAreOnSameLine = (startLine === endLine); } - if (options.placeOpenBraceOnNewLineForFunctions) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); - rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); + return this.tokensAreOnSameLine; + }; + FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { + if (this.contextNodeBlockIsOnOneLine === undefined) { + this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); } - if (options.insertSpaceAfterTypeAssertion) { - rules.push(this.globalRules.SpaceAfterTypeAssertion); + return this.contextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { + if (this.nextNodeBlockIsOnOneLine === undefined) { + this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); } - else { - rules.push(this.globalRules.NoSpaceAfterTypeAssertion); + return this.nextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NodeIsOnOneLine = function (node) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; + return startLine === endLine; + }; + FormattingContext.prototype.BlockIsOnOneLine = function (node) { + var openBrace = ts.findChildOfKind(node, 16, this.sourceFile); + var closeBrace = ts.findChildOfKind(node, 17, this.sourceFile); + if (openBrace && closeBrace) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; + return startLine === endLine; } - rules = rules.concat(this.globalRules.LowPriorityCommonRules); - return rules; + return false; }; - return RulesProvider; + return FormattingContext; }()); - formatting.RulesProvider = RulesProvider; + formatting.FormattingContext = FormattingContext; })(formatting = ts.formatting || (ts.formatting = {})); })(ts || (ts = {})); var ts; (function (ts) { var formatting; (function (formatting) { - var Constants; - (function (Constants) { - Constants[Constants["Unknown"] = -1] = "Unknown"; - })(Constants || (Constants = {})); - function formatOnEnter(position, sourceFile, rulesProvider, options) { - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - if (line === 0) { - return []; - } - var endOfFormatSpan = ts.getEndLinePosition(line, sourceFile); - while (ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(endOfFormatSpan))) { - endOfFormatSpan--; + var Rule = (function () { + function Rule(Descriptor, Operation, Flag) { + if (Flag === void 0) { Flag = 0; } + this.Descriptor = Descriptor; + this.Operation = Operation; + this.Flag = Flag; } - if (ts.isLineBreak(sourceFile.text.charCodeAt(endOfFormatSpan))) { - endOfFormatSpan--; + Rule.prototype.toString = function () { + return "[desc=" + this.Descriptor + "," + + "operation=" + this.Operation + "," + + "flag=" + this.Flag + "]"; + }; + return Rule; + }()); + formatting.Rule = Rule; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleDescriptor = (function () { + function RuleDescriptor(LeftTokenRange, RightTokenRange) { + this.LeftTokenRange = LeftTokenRange; + this.RightTokenRange = RightTokenRange; } - var span = { - pos: ts.getStartPositionOfLine(line - 1, sourceFile), - end: endOfFormatSpan + 1 + RuleDescriptor.prototype.toString = function () { + return "[leftRange=" + this.LeftTokenRange + "," + + "rightRange=" + this.RightTokenRange + "]"; }; - return formatSpan(span, sourceFile, options, rulesProvider, 2); - } - formatting.formatOnEnter = formatOnEnter; - function formatOnSemicolon(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 24, sourceFile, options, rulesProvider, 3); - } - formatting.formatOnSemicolon = formatOnSemicolon; - function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 17, sourceFile, options, rulesProvider, 4); - } - formatting.formatOnClosingCurly = formatOnClosingCurly; - function formatDocument(sourceFile, rulesProvider, options) { - var span = { - pos: 0, - end: sourceFile.text.length + RuleDescriptor.create1 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); }; - return formatSpan(span, sourceFile, options, rulesProvider, 0); - } - formatting.formatDocument = formatDocument; - function formatSelection(start, end, sourceFile, rulesProvider, options) { - var span = { - pos: ts.getLineStartPositionForPosition(start, sourceFile), - end: end + RuleDescriptor.create2 = function (left, right) { + return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); }; - return formatSpan(span, sourceFile, options, rulesProvider, 1); - } - formatting.formatSelection = formatSelection; - function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { - var parent = findOutermostParent(position, expectedLastToken, sourceFile); - if (!parent) { - return []; - } - var span = { - pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), - end: parent.end + RuleDescriptor.create3 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); }; - return formatSpan(span, sourceFile, options, rulesProvider, requestKind); - } - function findOutermostParent(position, expectedTokenKind, sourceFile) { - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken || - precedingToken.kind !== expectedTokenKind || - position !== precedingToken.getEnd()) { - return undefined; + RuleDescriptor.create4 = function (left, right) { + return new RuleDescriptor(left, right); + }; + return RuleDescriptor; + }()); + formatting.RuleDescriptor = RuleDescriptor; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperation = (function () { + function RuleOperation(Context, Action) { + this.Context = Context; + this.Action = Action; } - var current = precedingToken; - while (current && - current.parent && - current.parent.end === precedingToken.end && - !isListElement(current.parent, current)) { - current = current.parent; + RuleOperation.prototype.toString = function () { + return "[context=" + this.Context + "," + + "action=" + this.Action + "]"; + }; + RuleOperation.create1 = function (action) { + return RuleOperation.create2(formatting.RuleOperationContext.Any, action); + }; + RuleOperation.create2 = function (context, action) { + return new RuleOperation(context, action); + }; + return RuleOperation; + }()); + formatting.RuleOperation = RuleOperation; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperationContext = (function () { + function RuleOperationContext() { + var funcs = []; + for (var _i = 0; _i < arguments.length; _i++) { + funcs[_i - 0] = arguments[_i]; + } + this.customContextChecks = funcs; } - return current; - } - function isListElement(parent, node) { - switch (parent.kind) { - case 222: - case 223: - return ts.rangeContainsRange(parent.members, node); - case 226: - var body = parent.body; - return body && body.kind === 227 && ts.rangeContainsRange(body.statements, node); - case 256: - case 200: - case 227: - return ts.rangeContainsRange(parent.statements, node); - case 252: - return ts.rangeContainsRange(parent.block.statements, node); + RuleOperationContext.prototype.IsAny = function () { + return this === RuleOperationContext.Any; + }; + RuleOperationContext.prototype.InContext = function (context) { + if (this.IsAny()) { + return true; + } + for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { + var check = _a[_i]; + if (!check(context)) { + return false; + } + } + return true; + }; + return RuleOperationContext; + }()); + RuleOperationContext.Any = new RuleOperationContext(); + formatting.RuleOperationContext = RuleOperationContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rules = (function () { + function Rules() { + this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1)); + this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1)); + this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(55, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 2)); + this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsConditionalOperatorContext), 2)); + this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2)); + this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(17, 81), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(17, 105), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.FromTokens([19, 21, 25, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 22), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(22, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(21, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8)); + this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; + this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([70, 3, 74, 83, 90]); + this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([19, 3, 80, 101, 86, 81]); + this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); + this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); + this.NoSpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); + this.NoSpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); + this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectContext), 8)); + this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); + this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); + this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(43, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(42, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(36, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(36, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(43, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(37, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(37, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([103, 99, 93, 79, 95, 102, 120]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([109, 75]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2)); + this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8)); + this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(88, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionDeclContext), 8)); + this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(104, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsVoidOpContext), 2)); + this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(95, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([19, 80, 81, 72]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNotForContext), 2)); + this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([101, 86]), 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([124, 132]), 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(122, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([126, 130]), 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([116, 74, 123, 78, 82, 83, 84, 124, 107, 90, 108, 126, 127, 111, 113, 112, 132, 114, 135, 137]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([84, 107, 137])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2)); + this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(35, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(23, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.FromTokens([19, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(19, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(26, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.FromTokens([18, 20, 28, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectTypeContext), 8)); + this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 56), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(56, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([116, 70, 83, 78, 74, 114, 113, 111, 112, 124, 132, 20, 38])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2)); + this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(88, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8)); + this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(38, formatting.Shared.TokenRange.FromTokens([70, 18])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2)); + this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(115, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8)); + this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115, 38]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2)); + this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(119, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(119, 88), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(70, formatting.Shared.TokenRange.FromTokens([12, 13])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceBeforeJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNextTokenParentJsxAttribute, Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeSlashInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 40), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create1(40, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 57), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create3(57, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); + this.HighPriorityCommonRules = [ + this.IgnoreBeforeComment, this.IgnoreAfterLineComment, + this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, + this.NoSpaceAfterQuestionMark, + this.NoSpaceBeforeDot, this.NoSpaceAfterDot, + this.NoSpaceAfterUnaryPrefixOperator, + this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, + this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, + this.SpaceAfterPostincrementWhenFollowedByAdd, + this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, + this.SpaceAfterPostdecrementWhenFollowedBySubtract, + this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, + this.NoSpaceAfterCloseBrace, + this.NewLineBeforeCloseBraceInBlockContext, + this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, + this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, + this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, + this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, + this.NoSpaceBetweenReturnAndSemicolon, + this.SpaceAfterCertainKeywords, + this.SpaceAfterLetConstInVariableDeclaration, + this.NoSpaceBeforeOpenParenInFuncCall, + this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, + this.SpaceAfterVoidOperator, + this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, + this.NoSpaceBetweenTagAndTemplateString, + this.SpaceBeforeJsxAttribute, this.SpaceBeforeSlashInJsxOpeningElement, this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement, + this.NoSpaceBeforeEqualInJsxAttribute, this.NoSpaceAfterEqualInJsxAttribute, + this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, + this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, + this.SpaceAfterModuleName, + this.SpaceBeforeArrow, this.SpaceAfterArrow, + this.NoSpaceAfterEllipsis, + this.NoSpaceAfterOptionalParameters, + this.NoSpaceBetweenEmptyInterfaceBraceBrackets, + this.NoSpaceBeforeOpenAngularBracket, + this.NoSpaceBetweenCloseParenAndAngularBracket, + this.NoSpaceAfterOpenAngularBracket, + this.NoSpaceBeforeCloseAngularBracket, + this.NoSpaceAfterCloseAngularBracket, + this.SpaceBeforeAt, + this.NoSpaceAfterAt, + this.SpaceAfterDecorator, + ]; + this.LowPriorityCommonRules = [ + this.NoSpaceBeforeSemicolon, + this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, + this.NoSpaceBeforeComma, + this.NoSpaceBeforeOpenBracket, + this.NoSpaceAfterCloseBracket, + this.SpaceAfterSemicolon, + this.NoSpaceBeforeOpenParenInFuncDecl, + this.SpaceBetweenStatements, this.SpaceAfterTryFinally + ]; + this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNextTokenNotCloseBracket), 2)); + this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext), 8)); + this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); + this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); + this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2)); + this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8)); + this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 2)); + this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 8)); + this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(18, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(20, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); + this.SpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); + this.NoSpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); + this.SpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); + this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8)); + this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 8)); + this.SpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 2)); } - return false; - } - function findEnclosingNode(range, sourceFile) { - return find(sourceFile); - function find(n) { - var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); - if (candidate) { - var result = find(candidate); - if (result) { - return result; + Rules.prototype.getRuleName = function (rule) { + var o = this; + for (var name_51 in o) { + if (o[name_51] === rule) { + return name_51; } } - return n; - } - } - function prepareRangeContainsErrorFunction(errors, originalRange) { - if (!errors.length) { - return rangeHasNoErrors; - } - var sorted = errors - .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) - .sort(function (e1, e2) { return e1.start - e2.start; }); - if (!sorted.length) { - return rangeHasNoErrors; - } - var index = 0; - return function (r) { - while (true) { - if (index >= sorted.length) { - return false; - } - var error = sorted[index]; - if (r.end <= error.start) { - return false; - } - if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + throw new Error("Unknown rule"); + }; + Rules.IsForContext = function (context) { + return context.contextNode.kind === 207; + }; + Rules.IsNotForContext = function (context) { + return !Rules.IsForContext(context); + }; + Rules.IsBinaryOpContext = function (context) { + switch (context.contextNode.kind) { + case 188: + case 189: + case 196: + case 239: + case 235: + case 155: + case 163: + case 164: return true; - } - index++; + case 170: + case 224: + case 230: + case 219: + case 143: + case 255: + case 146: + case 145: + return context.currentTokenSpan.kind === 57 || context.nextTokenSpan.kind === 57; + case 208: + return context.currentTokenSpan.kind === 91 || context.nextTokenSpan.kind === 91; + case 209: + return context.currentTokenSpan.kind === 139 || context.nextTokenSpan.kind === 139; } - }; - function rangeHasNoErrors() { return false; - } - } - function getScanStartPosition(enclosingNode, originalRange, sourceFile) { - var start = enclosingNode.getStart(sourceFile); - if (start === originalRange.pos && enclosingNode.end === originalRange.end) { - return start; - } - var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); - if (!precedingToken) { - return enclosingNode.pos; - } - if (precedingToken.end >= originalRange.pos) { - return enclosingNode.pos; - } - return precedingToken.end; - } - function getOwnOrInheritedDelta(n, options, sourceFile) { - var previousLine = -1; - var child; - while (n) { - var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; - if (previousLine !== -1 && line !== previousLine) { - break; - } - if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { - return options.indentSize; - } - previousLine = line; - child = n; - n = n.parent; - } - return 0; - } - function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { - var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); - var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); - var enclosingNode = findEnclosingNode(originalRange, sourceFile); - var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); - var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); - var previousRangeHasError; - var previousRange; - var previousParent; - var previousRangeStartLine; - var lastIndentedLine; - var indentationOnLastIndentedLine; - var edits = []; - formattingScanner.advance(); - if (formattingScanner.isOnToken()) { - var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; - var undecoratedStartLine = startLine; - if (enclosingNode.decorators) { - undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; - } - var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); - processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); - } - if (!formattingScanner.isOnToken()) { - var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); - if (leadingTrivia) { - processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); - trimTrailingWhitespacesForRemainingRange(); - } - } - formattingScanner.close(); - return edits; - function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { - if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || - ts.rangeContainsStartEnd(range, startPos, endPos)) { - if (inheritedIndentation !== -1) { - return inheritedIndentation; - } - } - else { - var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; - var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); - var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); - if (startLine !== parentStartLine || startPos === column) { - var baseIndentSize = formatting.SmartIndenter.getBaseIndentation(options); - return baseIndentSize > column ? baseIndentSize : column; - } - } - return -1; - } - function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { - var indentation = inheritedIndentation; - var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.indentSize : 0; - if (effectiveParentStartLine === startLine) { - indentation = startLine === lastIndentedLine - ? indentationOnLastIndentedLine - : parentDynamicIndentation.getIndentation(); - delta = Math.min(options.indentSize, parentDynamicIndentation.getDelta(node) + delta); - } - else if (indentation === -1) { - if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { - indentation = parentDynamicIndentation.getIndentation(); - } - else { - indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); - } - } - return { - indentation: indentation, - delta: delta - }; - } - function getFirstNonDecoratorTokenOfNode(node) { - if (node.modifiers && node.modifiers.length) { - return node.modifiers[0].kind; + }; + Rules.IsNotBinaryOpContext = function (context) { + return !Rules.IsBinaryOpContext(context); + }; + Rules.IsConditionalOperatorContext = function (context) { + return context.contextNode.kind === 189; + }; + Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { + return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); + }; + Rules.IsBeforeMultilineBlockContext = function (context) { + return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); + }; + Rules.IsMultilineBlockContext = function (context) { + return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsSingleLineBlockContext = function (context) { + return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.contextNode); + }; + Rules.IsBeforeBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.nextTokenParent); + }; + Rules.NodeIsBlockContext = function (node) { + if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { + return true; } switch (node.kind) { - case 222: return 74; - case 223: return 108; - case 221: return 88; - case 225: return 225; - case 150: return 124; - case 151: return 132; - case 148: - if (node.asteriskToken) { - return 38; - } - case 146: - case 143: - return node.name.kind; - } - } - function getDynamicIndentation(node, nodeStartLine, indentation, delta) { - return { - getIndentationForComment: function (kind, tokenIndentation, container) { - switch (kind) { - case 17: - case 21: - case 19: - return indentation + getEffectiveDelta(delta, container); - } - return tokenIndentation !== -1 ? tokenIndentation : indentation; - }, - getIndentationForToken: function (line, kind, container) { - if (nodeStartLine !== line && node.decorators) { - if (kind === getFirstNonDecoratorTokenOfNode(node)) { - return indentation; - } - } - switch (kind) { - case 16: - case 17: - case 20: - case 21: - case 18: - case 19: - case 81: - case 105: - case 56: - return indentation; - default: - return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; - } - }, - getIndentation: function () { return indentation; }, - getDelta: function (child) { return getEffectiveDelta(delta, child); }, - recomputeIndentation: function (lineAdded) { - if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { - if (lineAdded) { - indentation += options.indentSize; - } - else { - indentation -= options.indentSize; - } - if (formatting.SmartIndenter.shouldIndentChildNode(node)) { - delta = options.indentSize; - } - else { - delta = 0; - } - } - } - }; - function getEffectiveDelta(delta, child) { - return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; - } - } - function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { - if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { - return; - } - var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); - var childContextNode = contextNode; - ts.forEachChild(node, function (child) { - processChildNode(child, -1, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, false); - }, function (nodes) { - processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); - }); - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > node.end) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); + case 200: + case 228: + case 172: + case 227: + return true; } - function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem, isFirstListItem) { - var childStartPos = child.getStart(sourceFile); - var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; - var undecoratedChildStartLine = childStartLine; - if (child.decorators) { - undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; - } - var childIndentationAmount = -1; - if (isListItem) { - childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); - if (childIndentationAmount !== -1) { - inheritedIndentation = childIndentationAmount; - } - } - if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { - if (child.end < originalRange.pos) { - formattingScanner.skipToEndOf(child); - } - return inheritedIndentation; - } - if (child.getFullWidth() === 0) { - return inheritedIndentation; - } - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > childStartPos) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); - } - if (!formattingScanner.isOnToken()) { - return inheritedIndentation; - } - if (ts.isToken(child) && child.kind !== 10) { - var tokenInfo = formattingScanner.readTokenInfo(child); - ts.Debug.assert(tokenInfo.token.end === child.end, "Token end is child end"); - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); - return inheritedIndentation; - } - var effectiveParentStartLine = child.kind === 144 ? childStartLine : undecoratedParentStartLine; - var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); - processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); - childContextNode = node; - if (isFirstListItem && parent.kind === 171 && inheritedIndentation === -1) { - inheritedIndentation = childIndentation.indentation; - } - return inheritedIndentation; + return false; + }; + Rules.IsFunctionDeclContext = function (context) { + switch (context.contextNode.kind) { + case 221: + case 148: + case 147: + case 150: + case 151: + case 152: + case 180: + case 149: + case 181: + case 223: + return true; } - function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { - var listStartToken = getOpenTokenForList(parent, nodes); - var listEndToken = getCloseTokenForOpenToken(listStartToken); - var listDynamicIndentation = parentDynamicIndentation; - var startLine = parentStartLine; - if (listStartToken !== 0) { - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.end > nodes.pos) { - break; - } - else if (tokenInfo.token.kind === listStartToken) { - startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; - var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1, parent, parentDynamicIndentation, parentStartLine); - listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - else { - consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); - } - } - } - var inheritedIndentation = -1; - for (var i = 0; i < nodes.length; i++) { - var child = nodes[i]; - inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, true, i === 0); - } - if (listEndToken !== 0) { - if (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - } - } + return false; + }; + Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { + return context.contextNode.kind === 221 || context.contextNode.kind === 180; + }; + Rules.IsTypeScriptDeclWithBlockContext = function (context) { + return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); + }; + Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { + switch (node.kind) { + case 222: + case 193: + case 223: + case 225: + case 160: + case 226: + case 237: + case 238: + case 231: + case 234: + return true; } - function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { - ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); - var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); - var indentToken = false; - if (currentTokenInfo.leadingTrivia) { - processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); - } - var lineAdded; - var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); - var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); - if (isTokenInRange) { - var rangeHasError = rangeContainsError(currentTokenInfo.token); - var savePreviousRange = previousRange; - lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); - if (rangeHasError) { - indentToken = false; - } - else { - if (lineAdded !== undefined) { - indentToken = lineAdded; - } - else { - var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; - indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; - } - } - } - if (currentTokenInfo.trailingTrivia) { - processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); - } - if (indentToken) { - var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? - dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : - -1; - var indentNextTokenOrTrivia = true; - if (currentTokenInfo.leadingTrivia) { - var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); - for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { - var triviaItem = _a[_i]; - var triviaInRange = ts.rangeContainsRange(originalRange, triviaItem); - switch (triviaItem.kind) { - case 3: - if (triviaInRange) { - indentMultilineComment(triviaItem, commentIndentation, !indentNextTokenOrTrivia); - } - indentNextTokenOrTrivia = false; - break; - case 2: - if (indentNextTokenOrTrivia && triviaInRange) { - insertIndentation(triviaItem.pos, commentIndentation, false); - } - indentNextTokenOrTrivia = false; - break; - case 4: - indentNextTokenOrTrivia = true; - break; - } - } - } - if (tokenIndentation !== -1 && indentNextTokenOrTrivia) { - insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); - lastIndentedLine = tokenStart.line; - indentationOnLastIndentedLine = tokenIndentation; - } - } - formattingScanner.advance(); - childContextNode = parent; + return false; + }; + Rules.IsAfterCodeBlockContext = function (context) { + switch (context.currentTokenParent.kind) { + case 222: + case 226: + case 225: + case 200: + case 252: + case 227: + case 214: + return true; } - } - function processTrivia(trivia, parent, contextNode, dynamicIndentation) { - for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { - var triviaItem = trivia_1[_i]; - if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { - var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); - processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); - } + return false; + }; + Rules.IsControlDeclContext = function (context) { + switch (context.contextNode.kind) { + case 204: + case 214: + case 207: + case 208: + case 209: + case 206: + case 217: + case 205: + case 213: + case 252: + return true; + default: + return false; } - } - function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { - var rangeHasError = rangeContainsError(range); - var lineAdded; - if (!rangeHasError && !previousRangeHasError) { - if (!previousRange) { - var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); - trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); - } - else { - lineAdded = - processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); - } + }; + Rules.IsObjectContext = function (context) { + return context.contextNode.kind === 172; + }; + Rules.IsFunctionCallContext = function (context) { + return context.contextNode.kind === 175; + }; + Rules.IsNewContext = function (context) { + return context.contextNode.kind === 176; + }; + Rules.IsFunctionCallOrNewContext = function (context) { + return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); + }; + Rules.IsPreviousTokenNotComma = function (context) { + return context.currentTokenSpan.kind !== 25; + }; + Rules.IsNextTokenNotCloseBracket = function (context) { + return context.nextTokenSpan.kind !== 21; + }; + Rules.IsArrowFunctionContext = function (context) { + return context.contextNode.kind === 181; + }; + Rules.IsNonJsxSameLineTokenContext = function (context) { + return context.TokensAreOnSameLine() && context.contextNode.kind !== 10; + }; + Rules.IsNonJsxElementContext = function (context) { + return context.contextNode.kind !== 242; + }; + Rules.IsJsxExpressionContext = function (context) { + return context.contextNode.kind === 248; + }; + Rules.IsNextTokenParentJsxAttribute = function (context) { + return context.nextTokenParent.kind === 246; + }; + Rules.IsJsxAttributeContext = function (context) { + return context.contextNode.kind === 246; + }; + Rules.IsJsxSelfClosingElementContext = function (context) { + return context.contextNode.kind === 243; + }; + Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { + return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); + }; + Rules.IsEndOfDecoratorContextOnSameLine = function (context) { + return context.TokensAreOnSameLine() && + context.contextNode.decorators && + Rules.NodeIsInDecoratorContext(context.currentTokenParent) && + !Rules.NodeIsInDecoratorContext(context.nextTokenParent); + }; + Rules.NodeIsInDecoratorContext = function (node) { + while (ts.isPartOfExpression(node)) { + node = node.parent; } - previousRange = range; - previousParent = parent; - previousRangeStartLine = rangeStart.line; - previousRangeHasError = rangeHasError; - return lineAdded; + return node.kind === 144; + }; + Rules.IsStartOfVariableDeclarationList = function (context) { + return context.currentTokenParent.kind === 220 && + context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; + }; + Rules.IsNotFormatOnEnter = function (context) { + return context.formattingRequestKind !== 2; + }; + Rules.IsModuleDeclContext = function (context) { + return context.contextNode.kind === 226; + }; + Rules.IsObjectTypeContext = function (context) { + return context.contextNode.kind === 160; + }; + Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { + if (token.kind !== 26 && token.kind !== 28) { + return false; + } + switch (parent.kind) { + case 156: + case 178: + case 222: + case 193: + case 223: + case 221: + case 180: + case 181: + case 148: + case 147: + case 152: + case 153: + case 175: + case 176: + case 195: + return true; + default: + return false; + } + }; + Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { + return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || + Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); + }; + Rules.IsTypeAssertionContext = function (context) { + return context.contextNode.kind === 178; + }; + Rules.IsVoidOpContext = function (context) { + return context.currentTokenSpan.kind === 104 && context.currentTokenParent.kind === 184; + }; + Rules.IsYieldOrYieldStarWithOperand = function (context) { + return context.contextNode.kind === 191 && context.contextNode.expression !== undefined; + }; + return Rules; + }()); + formatting.Rules = Rules; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesMap = (function () { + function RulesMap() { + this.map = []; + this.mapRowLength = 0; } - function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { - formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); - var rule = rulesProvider.getRulesMap().GetRule(formattingContext); - var trimTrailingWhitespaces; - var lineAdded; - if (rule) { - applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); - if (rule.Operation.Action & (2 | 8) && currentStartLine !== previousStartLine) { - lineAdded = false; - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(false); + RulesMap.create = function (rules) { + var result = new RulesMap(); + result.Initialize(rules); + return result; + }; + RulesMap.prototype.Initialize = function (rules) { + this.mapRowLength = 139 + 1; + this.map = new Array(this.mapRowLength * this.mapRowLength); + var rulesBucketConstructionStateList = new Array(this.map.length); + this.FillRules(rules, rulesBucketConstructionStateList); + return this.map; + }; + RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { + var _this = this; + rules.forEach(function (rule) { + _this.FillRule(rule, rulesBucketConstructionStateList); + }); + }; + RulesMap.prototype.GetRuleBucketIndex = function (row, column) { + ts.Debug.assert(row <= 139 && column <= 139, "Must compute formatting context from tokens"); + var rulesBucketIndex = (row * this.mapRowLength) + column; + return rulesBucketIndex; + }; + RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { + var _this = this; + var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && + rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; + rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { + rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { + var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); + var rulesBucket = _this.map[rulesBucketIndex]; + if (rulesBucket === undefined) { + rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); } - } - else if (rule.Operation.Action & 4 && currentStartLine === previousStartLine) { - lineAdded = true; - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(true); + rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); + }); + }); + }; + RulesMap.prototype.GetRule = function (context) { + var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); + var bucket = this.map[bucketIndex]; + if (bucket) { + for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { + var rule = _a[_i]; + if (rule.Operation.Context.InContext(context)) { + return rule; } } - trimTrailingWhitespaces = !(rule.Operation.Action & 8) && rule.Flag !== 1; - } - else { - trimTrailingWhitespaces = true; } - if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { - trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + return undefined; + }; + return RulesMap; + }()); + formatting.RulesMap = RulesMap; + var MaskBitSize = 5; + var Mask = 0x1f; + (function (RulesPosition) { + RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; + RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; + RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; + RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; + RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; + RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; + })(formatting.RulesPosition || (formatting.RulesPosition = {})); + var RulesPosition = formatting.RulesPosition; + var RulesBucketConstructionState = (function () { + function RulesBucketConstructionState() { + this.rulesInsertionIndexBitmap = 0; + } + RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { + var index = 0; + var pos = 0; + var indexBitmap = this.rulesInsertionIndexBitmap; + while (pos <= maskPosition) { + index += (indexBitmap & Mask); + indexBitmap >>= MaskBitSize; + pos += MaskBitSize; } - return lineAdded; + return index; + }; + RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { + var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; + value++; + ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); + var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); + temp |= value << maskPosition; + this.rulesInsertionIndexBitmap = temp; + }; + return RulesBucketConstructionState; + }()); + formatting.RulesBucketConstructionState = RulesBucketConstructionState; + var RulesBucket = (function () { + function RulesBucket() { + this.rules = []; } - function insertIndentation(pos, indentation, lineAdded) { - var indentationString = getIndentationString(indentation, options); - if (lineAdded) { - recordReplace(pos, 0, indentationString); + RulesBucket.prototype.Rules = function () { + return this.rules; + }; + RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { + var position; + if (rule.Operation.Action === 1) { + position = specificTokens ? + RulesPosition.IgnoreRulesSpecific : + RulesPosition.IgnoreRulesAny; + } + else if (!rule.Operation.Context.IsAny()) { + position = specificTokens ? + RulesPosition.ContextRulesSpecific : + RulesPosition.ContextRulesAny; } else { - var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); - var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); - if (indentation !== tokenStart.character || indentationIsDifferent(indentationString, startLinePosition)) { - recordReplace(startLinePosition, tokenStart.character, indentationString); - } + position = specificTokens ? + RulesPosition.NoContextRulesSpecific : + RulesPosition.NoContextRulesAny; } - } - function indentationIsDifferent(indentationString, startLinePosition) { - return indentationString !== sourceFile.text.substr(startLinePosition, indentationString.length); - } - function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { - var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; - var parts; - if (startLine === endLine) { - if (!firstLineIsIndented) { - insertIndentation(commentRange.pos, indentation, false); - } - return; + var state = constructionState[rulesBucketIndex]; + if (state === undefined) { + state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); } - else { - parts = []; - var startPos = commentRange.pos; - for (var line = startLine; line < endLine; line++) { - var endOfLine = ts.getEndLinePosition(line, sourceFile); - parts.push({ pos: startPos, end: endOfLine }); - startPos = ts.getStartPositionOfLine(line + 1, sourceFile); + var index = state.GetInsertionIndex(position); + this.rules.splice(index, 0, rule); + state.IncreaseInsertionIndex(position); + }; + return RulesBucket; + }()); + formatting.RulesBucket = RulesBucket; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Shared; + (function (Shared) { + var TokenRangeAccess = (function () { + function TokenRangeAccess(from, to, except) { + this.tokens = []; + for (var token = from; token <= to; token++) { + if (ts.indexOf(except, token) < 0) { + this.tokens.push(token); + } } - parts.push({ pos: startPos, end: commentRange.end }); } - var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); - if (indentation === nonWhitespaceColumnInFirstPart.column) { - return; + TokenRangeAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenRangeAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenRangeAccess; + }()); + Shared.TokenRangeAccess = TokenRangeAccess; + var TokenValuesAccess = (function () { + function TokenValuesAccess(tks) { + this.tokens = tks && tks.length ? tks : []; } - var startIndex = 0; - if (firstLineIsIndented) { - startIndex = 1; - startLine++; + TokenValuesAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenValuesAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenValuesAccess; + }()); + Shared.TokenValuesAccess = TokenValuesAccess; + var TokenSingleValueAccess = (function () { + function TokenSingleValueAccess(token) { + this.token = token; } - var delta = indentation - nonWhitespaceColumnInFirstPart.column; - for (var i = startIndex, len = parts.length; i < len; i++, startLine++) { - var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceCharacterAndColumn = i === 0 - ? nonWhitespaceColumnInFirstPart - : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); - var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; - if (newIndentation > 0) { - var indentationString = getIndentationString(newIndentation, options); - recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); - } - else { - recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); - } + TokenSingleValueAccess.prototype.GetTokens = function () { + return [this.token]; + }; + TokenSingleValueAccess.prototype.Contains = function (tokenValue) { + return tokenValue === this.token; + }; + return TokenSingleValueAccess; + }()); + Shared.TokenSingleValueAccess = TokenSingleValueAccess; + var TokenAllAccess = (function () { + function TokenAllAccess() { } - } - function trimTrailingWhitespacesForLines(line1, line2, range) { - for (var line = line1; line < line2; line++) { - var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); - var lineEndPosition = ts.getEndLinePosition(line, sourceFile); - if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { - continue; - } - var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); - if (whitespaceStart !== -1) { - ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(whitespaceStart - 1))); - recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + TokenAllAccess.prototype.GetTokens = function () { + var result = []; + for (var token = 0; token <= 139; token++) { + result.push(token); } + return result; + }; + TokenAllAccess.prototype.Contains = function () { + return true; + }; + TokenAllAccess.prototype.toString = function () { + return "[allTokens]"; + }; + return TokenAllAccess; + }()); + Shared.TokenAllAccess = TokenAllAccess; + var TokenRange = (function () { + function TokenRange(tokenAccess) { + this.tokenAccess = tokenAccess; } + TokenRange.FromToken = function (token) { + return new TokenRange(new TokenSingleValueAccess(token)); + }; + TokenRange.FromTokens = function (tokens) { + return new TokenRange(new TokenValuesAccess(tokens)); + }; + TokenRange.FromRange = function (f, to, except) { + if (except === void 0) { except = []; } + return new TokenRange(new TokenRangeAccess(f, to, except)); + }; + TokenRange.AllTokens = function () { + return new TokenRange(new TokenAllAccess()); + }; + TokenRange.prototype.GetTokens = function () { + return this.tokenAccess.GetTokens(); + }; + TokenRange.prototype.Contains = function (token) { + return this.tokenAccess.Contains(token); + }; + TokenRange.prototype.toString = function () { + return this.tokenAccess.toString(); + }; + return TokenRange; + }()); + TokenRange.Any = TokenRange.AllTokens(); + TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3])); + TokenRange.Keywords = TokenRange.FromRange(71, 139); + TokenRange.BinaryOperators = TokenRange.FromRange(26, 69); + TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([91, 92, 139, 117, 125]); + TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([42, 43, 51, 50]); + TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8, 70, 18, 20, 16, 98, 93]); + TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); + TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); + TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); + TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); + TokenRange.Comments = TokenRange.FromTokens([2, 3]); + TokenRange.TypeNames = TokenRange.FromTokens([70, 131, 133, 121, 134, 104, 118]); + Shared.TokenRange = TokenRange; + })(Shared = formatting.Shared || (formatting.Shared = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesProvider = (function () { + function RulesProvider() { + this.globalRules = new formatting.Rules(); } - function getTrailingWhitespaceStartPosition(start, end) { - var pos = end; - while (pos >= start && ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(pos))) { - pos--; + RulesProvider.prototype.getRuleName = function (rule) { + return this.globalRules.getRuleName(rule); + }; + RulesProvider.prototype.getRuleByName = function (name) { + return this.globalRules[name]; + }; + RulesProvider.prototype.getRulesMap = function () { + return this.rulesMap; + }; + RulesProvider.prototype.ensureUpToDate = function (options) { + if (!this.options || !ts.compareDataObjects(this.options, options)) { + var activeRules = this.createActiveRules(options); + var rulesMap = formatting.RulesMap.create(activeRules); + this.activeRules = activeRules; + this.rulesMap = rulesMap; + this.options = ts.clone(options); + } + }; + RulesProvider.prototype.createActiveRules = function (options) { + var rules = this.globalRules.HighPriorityCommonRules.slice(0); + if (options.insertSpaceAfterCommaDelimiter) { + rules.push(this.globalRules.SpaceAfterComma); + } + else { + rules.push(this.globalRules.NoSpaceAfterComma); + } + if (options.insertSpaceAfterFunctionKeywordForAnonymousFunctions) { + rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); } - if (pos !== end) { - return pos + 1; + else { + rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); } - return -1; - } - function trimTrailingWhitespacesForRemainingRange() { - var startPosition = previousRange ? previousRange.end : originalRange.pos; - var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; - trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); - } - function newTextChange(start, len, newText) { - return { span: ts.createTextSpan(start, len), newText: newText }; - } - function recordDelete(start, len) { - if (len) { - edits.push(newTextChange(start, len, "")); + if (options.insertSpaceAfterKeywordsInControlFlowStatements) { + rules.push(this.globalRules.SpaceAfterKeywordInControl); } - } - function recordReplace(start, len, newText) { - if (len || newText) { - edits.push(newTextChange(start, len, newText)); + else { + rules.push(this.globalRules.NoSpaceAfterKeywordInControl); } - } - function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { - switch (rule.Operation.Action) { - case 1: - return; - case 8: - if (previousRange.end !== currentRange.pos) { - recordDelete(previousRange.end, currentRange.pos - previousRange.end); - } - break; - case 4: - if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { - return; - } - var lineDelta = currentStartLine - previousStartLine; - if (lineDelta !== 1) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.newLineCharacter); - } - break; - case 2: - if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { - return; - } - var posDelta = currentRange.pos - previousRange.end; - if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); - } - break; + if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { + rules.push(this.globalRules.SpaceAfterOpenParen); + rules.push(this.globalRules.SpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); } - } - } - function getOpenTokenForList(node, list) { - switch (node.kind) { - case 149: - case 221: - case 180: - case 148: - case 147: - case 181: - if (node.typeParameters === list) { - return 26; - } - else if (node.parameters === list) { - return 18; - } - break; - case 175: - case 176: - if (node.typeArguments === list) { - return 26; - } - else if (node.arguments === list) { - return 18; - } - break; - case 156: - if (node.typeArguments === list) { - return 26; - } - } - return 0; - } - function getCloseTokenForOpenToken(kind) { - switch (kind) { - case 18: - return 19; - case 26: - return 28; - } - return 0; - } - var internedSizes; - var internedTabsIndentation; - var internedSpacesIndentation; - function getIndentationString(indentation, options) { - var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.tabSize || internedSizes.indentSize !== options.indentSize); - if (resetInternedStrings) { - internedSizes = { tabSize: options.tabSize, indentSize: options.indentSize }; - internedTabsIndentation = internedSpacesIndentation = undefined; - } - if (!options.convertTabsToSpaces) { - var tabs = Math.floor(indentation / options.tabSize); - var spaces = indentation - tabs * options.tabSize; - var tabString = void 0; - if (!internedTabsIndentation) { - internedTabsIndentation = []; + else { + rules.push(this.globalRules.NoSpaceAfterOpenParen); + rules.push(this.globalRules.NoSpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); } - if (internedTabsIndentation[tabs] === undefined) { - internedTabsIndentation[tabs] = tabString = repeat("\t", tabs); + if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { + rules.push(this.globalRules.SpaceAfterOpenBracket); + rules.push(this.globalRules.SpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); } else { - tabString = internedTabsIndentation[tabs]; + rules.push(this.globalRules.NoSpaceAfterOpenBracket); + rules.push(this.globalRules.NoSpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); } - return spaces ? tabString + repeat(" ", spaces) : tabString; - } - else { - var spacesString = void 0; - var quotient = Math.floor(indentation / options.indentSize); - var remainder = indentation % options.indentSize; - if (!internedSpacesIndentation) { - internedSpacesIndentation = []; + if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces !== false) { + rules.push(this.globalRules.SpaceAfterOpenBrace); + rules.push(this.globalRules.SpaceBeforeCloseBrace); + rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); } - if (internedSpacesIndentation[quotient] === undefined) { - spacesString = repeat(" ", options.indentSize * quotient); - internedSpacesIndentation[quotient] = spacesString; + else { + rules.push(this.globalRules.NoSpaceAfterOpenBrace); + rules.push(this.globalRules.NoSpaceBeforeCloseBrace); + rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); + } + if (options.insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { + rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); } else { - spacesString = internedSpacesIndentation[quotient]; + rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); } - return remainder ? spacesString + repeat(" ", remainder) : spacesString; - } - function repeat(value, count) { - var s = ""; - for (var i = 0; i < count; i++) { - s += value; + if (options.insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces) { + rules.push(this.globalRules.SpaceAfterOpenBraceInJsxExpression); + rules.push(this.globalRules.SpaceBeforeCloseBraceInJsxExpression); } - return s; - } - } - formatting.getIndentationString = getIndentationString; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var SmartIndenter; - (function (SmartIndenter) { - var Value; - (function (Value) { - Value[Value["Unknown"] = -1] = "Unknown"; - })(Value || (Value = {})); - function getIndentation(position, sourceFile, options) { - if (position > sourceFile.text.length) { - return getBaseIndentation(options); + else { + rules.push(this.globalRules.NoSpaceAfterOpenBraceInJsxExpression); + rules.push(this.globalRules.NoSpaceBeforeCloseBraceInJsxExpression); } - if (options.indentStyle === ts.IndentStyle.None) { - return 0; + if (options.insertSpaceAfterSemicolonInForStatements) { + rules.push(this.globalRules.SpaceAfterSemicolonInFor); } - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken) { - return getBaseIndentation(options); + else { + rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); } - var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); - if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { - return 0; + if (options.insertSpaceBeforeAndAfterBinaryOperators) { + rules.push(this.globalRules.SpaceBeforeBinaryOperator); + rules.push(this.globalRules.SpaceAfterBinaryOperator); } - var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (options.indentStyle === ts.IndentStyle.Block) { - var current_1 = position; - while (current_1 > 0) { - var char = sourceFile.text.charCodeAt(current_1); - if (!ts.isWhiteSpace(char)) { - break; - } - current_1--; - } - var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); - return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); + else { + rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); + rules.push(this.globalRules.NoSpaceAfterBinaryOperator); } - if (precedingToken.kind === 25 && precedingToken.parent.kind !== 188) { - var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation; - } + if (options.placeOpenBraceOnNewLineForControlBlocks) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); } - var previous; - var current = precedingToken; - var currentStart; - var indentationDelta; - while (current) { - if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { - currentStart = getStartLineAndCharacterForNode(current, sourceFile); - if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { - indentationDelta = 0; - } - else { - indentationDelta = lineAtPosition !== currentStart.line ? options.indentSize : 0; - } - break; - } - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + options.indentSize; - } - previous = current; - current = current.parent; + if (options.placeOpenBraceOnNewLineForFunctions) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); + rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); } - if (!current) { - return getBaseIndentation(options); + if (options.insertSpaceAfterTypeAssertion) { + rules.push(this.globalRules.SpaceAfterTypeAssertion); } - return getIndentationForNodeWorker(current, currentStart, undefined, indentationDelta, sourceFile, options); + else { + rules.push(this.globalRules.NoSpaceAfterTypeAssertion); + } + rules = rules.concat(this.globalRules.LowPriorityCommonRules); + return rules; + }; + return RulesProvider; + }()); + formatting.RulesProvider = RulesProvider; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + function formatOnEnter(position, sourceFile, rulesProvider, options) { + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + if (line === 0) { + return []; } - SmartIndenter.getIndentation = getIndentation; - function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { - var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, 0, sourceFile, options); + var endOfFormatSpan = ts.getEndLinePosition(line, sourceFile); + while (ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(endOfFormatSpan))) { + endOfFormatSpan--; } - SmartIndenter.getIndentationForNode = getIndentationForNode; - function getBaseIndentation(options) { - return options.baseIndentSize || 0; + if (ts.isLineBreak(sourceFile.text.charCodeAt(endOfFormatSpan))) { + endOfFormatSpan--; } - SmartIndenter.getBaseIndentation = getBaseIndentation; - function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { - var parent = current.parent; - var parentStart; - while (parent) { - var useActualIndentation = true; - if (ignoreActualIndentationRange) { - var start = current.getStart(sourceFile); - useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + var span = { + pos: ts.getStartPositionOfLine(line - 1, sourceFile), + end: endOfFormatSpan + 1 + }; + return formatSpan(span, sourceFile, options, rulesProvider, 2); + } + formatting.formatOnEnter = formatOnEnter; + function formatOnSemicolon(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 24, sourceFile, options, rulesProvider, 3); + } + formatting.formatOnSemicolon = formatOnSemicolon; + function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 17, sourceFile, options, rulesProvider, 4); + } + formatting.formatOnClosingCurly = formatOnClosingCurly; + function formatDocument(sourceFile, rulesProvider, options) { + var span = { + pos: 0, + end: sourceFile.text.length + }; + return formatSpan(span, sourceFile, options, rulesProvider, 0); + } + formatting.formatDocument = formatDocument; + function formatSelection(start, end, sourceFile, rulesProvider, options) { + var span = { + pos: ts.getLineStartPositionForPosition(start, sourceFile), + end: end + }; + return formatSpan(span, sourceFile, options, rulesProvider, 1); + } + formatting.formatSelection = formatSelection; + function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { + var parent = findOutermostParent(position, expectedLastToken, sourceFile); + if (!parent) { + return []; + } + var span = { + pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), + end: parent.end + }; + return formatSpan(span, sourceFile, options, rulesProvider, requestKind); + } + function findOutermostParent(position, expectedTokenKind, sourceFile) { + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken || + precedingToken.kind !== expectedTokenKind || + position !== precedingToken.getEnd()) { + return undefined; + } + var current = precedingToken; + while (current && + current.parent && + current.parent.end === precedingToken.end && + !isListElement(current.parent, current)) { + current = current.parent; + } + return current; + } + function isListElement(parent, node) { + switch (parent.kind) { + case 222: + case 223: + return ts.rangeContainsRange(parent.members, node); + case 226: + var body = parent.body; + return body && body.kind === 227 && ts.rangeContainsRange(body.statements, node); + case 256: + case 200: + case 227: + return ts.rangeContainsRange(parent.statements, node); + case 252: + return ts.rangeContainsRange(parent.block.statements, node); + } + return false; + } + function findEnclosingNode(range, sourceFile) { + return find(sourceFile); + function find(n) { + var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); + if (candidate) { + var result = find(candidate); + if (result) { + return result; } - if (useActualIndentation) { - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } + } + return n; + } + } + function prepareRangeContainsErrorFunction(errors, originalRange) { + if (!errors.length) { + return rangeHasNoErrors; + } + var sorted = errors + .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) + .sort(function (e1, e2) { return e1.start - e2.start; }); + if (!sorted.length) { + return rangeHasNoErrors; + } + var index = 0; + return function (r) { + while (true) { + if (index >= sorted.length) { + return false; } - parentStart = getParentStart(parent, current, sourceFile); - var parentAndChildShareLine = parentStart.line === currentStart.line || - childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); - if (useActualIndentation) { - var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } + var error = sorted[index]; + if (r.end <= error.start) { + return false; } - if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { - indentationDelta += options.indentSize; + if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + return true; } - current = parent; - currentStart = parentStart; - parent = current.parent; + index++; } - return indentationDelta + getBaseIndentation(options); + }; + function rangeHasNoErrors() { + return false; } - function getParentStart(parent, child, sourceFile) { - var containingList = getContainingList(child, sourceFile); - if (containingList) { - return sourceFile.getLineAndCharacterOfPosition(containingList.pos); + } + function getScanStartPosition(enclosingNode, originalRange, sourceFile) { + var start = enclosingNode.getStart(sourceFile); + if (start === originalRange.pos && enclosingNode.end === originalRange.end) { + return start; + } + var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); + if (!precedingToken) { + return enclosingNode.pos; + } + if (precedingToken.end >= originalRange.pos) { + return enclosingNode.pos; + } + return precedingToken.end; + } + function getOwnOrInheritedDelta(n, options, sourceFile) { + var previousLine = -1; + var child; + while (n) { + var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; + if (previousLine !== -1 && line !== previousLine) { + break; } - return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); + if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { + return options.indentSize; + } + previousLine = line; + child = n; + n = n.parent; } - function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { - var commaItemInfo = ts.findListItemInfo(commaToken); - if (commaItemInfo && commaItemInfo.listItemIndex > 0) { - return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); + return 0; + } + function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { + var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); + var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); + var enclosingNode = findEnclosingNode(originalRange, sourceFile); + var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); + var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); + var previousRangeHasError; + var previousRange; + var previousParent; + var previousRangeStartLine; + var lastIndentedLine; + var indentationOnLastIndentedLine; + var edits = []; + formattingScanner.advance(); + if (formattingScanner.isOnToken()) { + var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; + var undecoratedStartLine = startLine; + if (enclosingNode.decorators) { + undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; } - else { - return -1; + var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); + processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); + } + if (!formattingScanner.isOnToken()) { + var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); + if (leadingTrivia) { + processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); + trimTrailingWhitespacesForRemainingRange(); } } - function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { - var useActualIndentation = (ts.isDeclaration(current) || ts.isStatementButNotDeclaration(current)) && - (parent.kind === 256 || !parentAndChildShareLine); - if (!useActualIndentation) { - return -1; + formattingScanner.close(); + return edits; + function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { + if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || + ts.rangeContainsStartEnd(range, startPos, endPos)) { + if (inheritedIndentation !== -1) { + return inheritedIndentation; + } + } + else { + var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; + var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); + var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); + if (startLine !== parentStartLine || startPos === column) { + var baseIndentSize = formatting.SmartIndenter.getBaseIndentation(options); + return baseIndentSize > column ? baseIndentSize : column; + } } - return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); + return -1; } - function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { - var nextToken = ts.findNextToken(precedingToken, current); - if (!nextToken) { - return false; - } - if (nextToken.kind === 16) { - return true; + function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { + var indentation = inheritedIndentation; + var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.indentSize : 0; + if (effectiveParentStartLine === startLine) { + indentation = startLine === lastIndentedLine + ? indentationOnLastIndentedLine + : parentDynamicIndentation.getIndentation(); + delta = Math.min(options.indentSize, parentDynamicIndentation.getDelta(node) + delta); } - else if (nextToken.kind === 17) { - var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; - return lineAtPosition === nextTokenStartLine; + else if (indentation === -1) { + if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { + indentation = parentDynamicIndentation.getIndentation(); + } + else { + indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); + } } - return false; - } - function getStartLineAndCharacterForNode(n, sourceFile) { - return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return { + indentation: indentation, + delta: delta + }; } - function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { - if (parent.kind === 204 && parent.elseStatement === child) { - var elseKeyword = ts.findChildOfKind(parent, 81, sourceFile); - ts.Debug.assert(elseKeyword !== undefined); - var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; - return elseKeywordStartLine === childStartLine; + function getFirstNonDecoratorTokenOfNode(node) { + if (node.modifiers && node.modifiers.length) { + return node.modifiers[0].kind; + } + switch (node.kind) { + case 222: return 74; + case 223: return 108; + case 221: return 88; + case 225: return 225; + case 150: return 124; + case 151: return 132; + case 148: + if (node.asteriskToken) { + return 38; + } + case 146: + case 143: + return node.name.kind; } - return false; } - SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; - function getContainingList(node, sourceFile) { - if (node.parent) { - switch (node.parent.kind) { - case 156: - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { - return node.parent.typeArguments; + function getDynamicIndentation(node, nodeStartLine, indentation, delta) { + return { + getIndentationForComment: function (kind, tokenIndentation, container) { + switch (kind) { + case 17: + case 21: + case 19: + return indentation + getEffectiveDelta(delta, container); + } + return tokenIndentation !== -1 ? tokenIndentation : indentation; + }, + getIndentationForToken: function (line, kind, container) { + if (nodeStartLine !== line && node.decorators) { + if (kind === getFirstNonDecoratorTokenOfNode(node)) { + return indentation; } - break; - case 172: - return node.parent.properties; - case 171: - return node.parent.elements; - case 221: - case 180: - case 181: - case 148: - case 147: - case 152: - case 153: { - var start = node.getStart(sourceFile); - if (node.parent.typeParameters && - ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { - return node.parent.typeParameters; + } + switch (kind) { + case 16: + case 17: + case 20: + case 21: + case 18: + case 19: + case 81: + case 105: + case 56: + return indentation; + default: + return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; + } + }, + getIndentation: function () { return indentation; }, + getDelta: function (child) { return getEffectiveDelta(delta, child); }, + recomputeIndentation: function (lineAdded) { + if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { + if (lineAdded) { + indentation += options.indentSize; } - if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { - return node.parent.parameters; + else { + indentation -= options.indentSize; } - break; - } - case 176: - case 175: { - var start = node.getStart(sourceFile); - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { - return node.parent.typeArguments; + if (formatting.SmartIndenter.shouldIndentChildNode(node)) { + delta = options.indentSize; } - if (node.parent.arguments && - ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { - return node.parent.arguments; + else { + delta = 0; } - break; } } + }; + function getEffectiveDelta(delta, child) { + return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; } - return undefined; } - function getActualIndentationForListItem(node, sourceFile, options) { - var containingList = getContainingList(node, sourceFile); - return containingList ? getActualIndentationFromList(containingList) : -1; - function getActualIndentationFromList(list) { - var index = ts.indexOf(list, node); - return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1; + function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { + if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { + return; } - } - function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { - if (node.kind === 19) { - return -1; + var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); + var childContextNode = contextNode; + ts.forEachChild(node, function (child) { + processChildNode(child, -1, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, false); + }, function (nodes) { + processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); + }); + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > node.end) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); } - if (node.parent && (node.parent.kind === 175 || - node.parent.kind === 176) && - node.parent.expression !== node) { - var fullCallOrNewExpression = node.parent.expression; - var startingExpression = getStartingExpression(fullCallOrNewExpression); - if (fullCallOrNewExpression === startingExpression) { - return -1; + function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem, isFirstListItem) { + var childStartPos = child.getStart(sourceFile); + var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; + var undecoratedChildStartLine = childStartLine; + if (child.decorators) { + undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; } - var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); - var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); - if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { - return -1; + var childIndentationAmount = -1; + if (isListItem) { + childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); + if (childIndentationAmount !== -1) { + inheritedIndentation = childIndentationAmount; + } } - return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); + if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { + if (child.end < originalRange.pos) { + formattingScanner.skipToEndOf(child); + } + return inheritedIndentation; + } + if (child.getFullWidth() === 0) { + return inheritedIndentation; + } + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > childStartPos) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); + } + if (!formattingScanner.isOnToken()) { + return inheritedIndentation; + } + if (ts.isToken(child) && child.kind !== 10) { + var tokenInfo = formattingScanner.readTokenInfo(child); + ts.Debug.assert(tokenInfo.token.end === child.end, "Token end is child end"); + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); + return inheritedIndentation; + } + var effectiveParentStartLine = child.kind === 144 ? childStartLine : undecoratedParentStartLine; + var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); + processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); + childContextNode = node; + if (isFirstListItem && parent.kind === 171 && inheritedIndentation === -1) { + inheritedIndentation = childIndentation.indentation; + } + return inheritedIndentation; } - return -1; - function getStartingExpression(node) { - while (true) { - switch (node.kind) { - case 175: - case 176: - case 173: - case 174: - node = node.expression; + function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { + var listStartToken = getOpenTokenForList(parent, nodes); + var listEndToken = getCloseTokenForOpenToken(listStartToken); + var listDynamicIndentation = parentDynamicIndentation; + var startLine = parentStartLine; + if (listStartToken !== 0) { + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.end > nodes.pos) { break; - default: - return node; + } + else if (tokenInfo.token.kind === listStartToken) { + startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; + var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1, parent, parentDynamicIndentation, parentStartLine); + listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + else { + consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); + } } } - } - } - function deriveActualIndentationFromList(list, index, sourceFile, options) { - ts.Debug.assert(index >= 0 && index < list.length); - var node = list[index]; - var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); - for (var i = index - 1; i >= 0; i--) { - if (list[i].kind === 25) { - continue; + var inheritedIndentation = -1; + for (var i = 0; i < nodes.length; i++) { + var child = nodes[i]; + inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, true, i === 0); } - var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; - if (prevEndLine !== lineAndCharacter.line) { - return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + if (listEndToken !== 0) { + if (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + } } - lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); } - return -1; - } - function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { - var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); - return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); - } - function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { - var character = 0; - var column = 0; - for (var pos = startPos; pos < endPos; pos++) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpaceSingleLine(ch)) { - break; + function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { + ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); + var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); + var indentToken = false; + if (currentTokenInfo.leadingTrivia) { + processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); } - if (ch === 9) { - column += options.tabSize + (column % options.tabSize); + var lineAdded; + var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); + var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); + if (isTokenInRange) { + var rangeHasError = rangeContainsError(currentTokenInfo.token); + var savePreviousRange = previousRange; + lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); + if (rangeHasError) { + indentToken = false; + } + else { + if (lineAdded !== undefined) { + indentToken = lineAdded; + } + else { + var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; + indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; + } + } } - else { - column++; + if (currentTokenInfo.trailingTrivia) { + processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); } - character++; - } - return { column: column, character: character }; - } - SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; - function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { - return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; - } - SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; - function nodeContentIsAlwaysIndented(kind) { - switch (kind) { - case 203: - case 222: - case 193: - case 223: - case 225: - case 224: - case 171: - case 200: - case 227: - case 172: - case 160: - case 162: - case 228: - case 250: - case 249: - case 179: - case 173: - case 175: - case 176: - case 201: - case 219: - case 236: - case 212: - case 189: - case 169: - case 168: - case 244: - case 243: - case 248: - case 147: - case 152: - case 153: - case 143: - case 157: - case 158: - case 165: - case 177: - case 185: - case 238: - case 234: - case 239: - case 235: - return true; - } - return false; - } - function nodeWillIndentChild(parent, child, indentByDefault) { - var childKind = child ? child.kind : 0; - switch (parent.kind) { - case 205: - case 206: - case 208: - case 209: - case 207: - case 204: - case 221: - case 180: - case 148: - case 181: - case 149: - case 150: - case 151: - return childKind !== 200; - case 237: - return childKind !== 238; - case 231: - return childKind !== 232 || - (child.namedBindings && child.namedBindings.kind !== 234); - case 242: - return childKind !== 245; - } - return indentByDefault; - } - SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; - function shouldIndentChildNode(parent, child) { - return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); - } - SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; - })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var codefix; - (function (codefix) { - var codeFixes = ts.createMap(); - function registerCodeFix(action) { - ts.forEach(action.errorCodes, function (error) { - var fixes = codeFixes[error]; - if (!fixes) { - fixes = []; - codeFixes[error] = fixes; - } - fixes.push(action); - }); - } - codefix.registerCodeFix = registerCodeFix; - function getSupportedErrorCodes() { - return Object.keys(codeFixes); - } - codefix.getSupportedErrorCodes = getSupportedErrorCodes; - function getFixes(context) { - var fixes = codeFixes[context.errorCode]; - var allActions = []; - ts.forEach(fixes, function (f) { - var actions = f.getCodeActions(context); - if (actions && actions.length > 0) { - allActions = allActions.concat(actions); - } - }); - return allActions; - } - codefix.getFixes = getFixes; - })(codefix = ts.codefix || (ts.codefix = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var codefix; - (function (codefix) { - function getOpenBraceEnd(constructor, sourceFile) { - return constructor.body.getFirstToken(sourceFile).getEnd(); - } - codefix.registerCodeFix({ - errorCodes: [ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call.code], - getCodeActions: function (context) { - var sourceFile = context.sourceFile; - var token = ts.getTokenAtPosition(sourceFile, context.span.start); - if (token.kind !== 122) { - return undefined; - } - var newPosition = getOpenBraceEnd(token.parent, sourceFile); - return [{ - description: ts.getLocaleSpecificMessage(ts.Diagnostics.Add_missing_super_call), - changes: [{ fileName: sourceFile.fileName, textChanges: [{ newText: "super();", span: { start: newPosition, length: 0 } }] }] - }]; - } - }); - codefix.registerCodeFix({ - errorCodes: [ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class.code], - getCodeActions: function (context) { - var sourceFile = context.sourceFile; - var token = ts.getTokenAtPosition(sourceFile, context.span.start); - if (token.kind !== 98) { - return undefined; - } - var constructor = ts.getContainingFunction(token); - var superCall = findSuperCall(constructor.body); - if (!superCall) { - return undefined; - } - if (superCall.expression && superCall.expression.kind == 175) { - var arguments_1 = superCall.expression.arguments; - for (var i = 0; i < arguments_1.length; i++) { - if (arguments_1[i].expression === token) { - return undefined; + if (indentToken) { + var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? + dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : + -1; + var indentNextTokenOrTrivia = true; + if (currentTokenInfo.leadingTrivia) { + var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); + for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { + var triviaItem = _a[_i]; + var triviaInRange = ts.rangeContainsRange(originalRange, triviaItem); + switch (triviaItem.kind) { + case 3: + if (triviaInRange) { + indentMultilineComment(triviaItem, commentIndentation, !indentNextTokenOrTrivia); + } + indentNextTokenOrTrivia = false; + break; + case 2: + if (indentNextTokenOrTrivia && triviaInRange) { + insertIndentation(triviaItem.pos, commentIndentation, false); + } + indentNextTokenOrTrivia = false; + break; + case 4: + indentNextTokenOrTrivia = true; + break; + } + } + } + if (tokenIndentation !== -1 && indentNextTokenOrTrivia) { + insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); + lastIndentedLine = tokenStart.line; + indentationOnLastIndentedLine = tokenIndentation; } } + formattingScanner.advance(); + childContextNode = parent; } - var newPosition = getOpenBraceEnd(constructor, sourceFile); - var changes = [{ - fileName: sourceFile.fileName, textChanges: [{ - newText: superCall.getText(sourceFile), - span: { start: newPosition, length: 0 } - }, - { - newText: "", - span: { start: superCall.getStart(sourceFile), length: superCall.getWidth(sourceFile) } - }] - }]; - return [{ - description: ts.getLocaleSpecificMessage(ts.Diagnostics.Make_super_call_the_first_statement_in_the_constructor), - changes: changes - }]; - function findSuperCall(n) { - if (n.kind === 203 && ts.isSuperCall(n.expression)) { - return n; - } - if (ts.isFunctionLike(n)) { - return undefined; + } + function processTrivia(trivia, parent, contextNode, dynamicIndentation) { + for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { + var triviaItem = trivia_1[_i]; + if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { + var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); + processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); } - return ts.forEachChild(n, findSuperCall); } } - }); - })(codefix = ts.codefix || (ts.codefix = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.servicesVersion = "0.5"; - function createNode(kind, pos, end, parent) { - var node = kind >= 140 ? new NodeObject(kind, pos, end) : - kind === 70 ? new IdentifierObject(70, pos, end) : - new TokenObject(kind, pos, end); - node.parent = parent; - return node; - } - var NodeObject = (function () { - function NodeObject(kind, pos, end) { - this.pos = pos; - this.end = end; - this.flags = 0; - this.transformFlags = undefined; - this.excludeTransformFlags = undefined; - this.parent = undefined; - this.kind = kind; - } - NodeObject.prototype.getSourceFile = function () { - return ts.getSourceFileOfNode(this); - }; - NodeObject.prototype.getStart = function (sourceFile, includeJsDocComment) { - return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); - }; - NodeObject.prototype.getFullStart = function () { - return this.pos; - }; - NodeObject.prototype.getEnd = function () { - return this.end; - }; - NodeObject.prototype.getWidth = function (sourceFile) { - return this.getEnd() - this.getStart(sourceFile); - }; - NodeObject.prototype.getFullWidth = function () { - return this.end - this.pos; - }; - NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { - return this.getStart(sourceFile) - this.pos; - }; - NodeObject.prototype.getFullText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); - }; - NodeObject.prototype.getText = function (sourceFile) { - if (!sourceFile) { - sourceFile = this.getSourceFile(); + function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { + var rangeHasError = rangeContainsError(range); + var lineAdded; + if (!rangeHasError && !previousRangeHasError) { + if (!previousRange) { + var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); + trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); + } + else { + lineAdded = + processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); + } + } + previousRange = range; + previousParent = parent; + previousRangeStartLine = rangeStart.line; + previousRangeHasError = rangeHasError; + return lineAdded; } - return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd()); - }; - NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end, useJSDocScanner) { - ts.scanner.setTextPos(pos); - while (pos < end) { - var token = useJSDocScanner ? ts.scanner.scanJSDocToken() : ts.scanner.scan(); - var textPos = ts.scanner.getTextPos(); - if (textPos <= end) { - nodes.push(createNode(token, pos, textPos, this)); + function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { + formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); + var rule = rulesProvider.getRulesMap().GetRule(formattingContext); + var trimTrailingWhitespaces; + var lineAdded; + if (rule) { + applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); + if (rule.Operation.Action & (2 | 8) && currentStartLine !== previousStartLine) { + lineAdded = false; + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(false); + } + } + else if (rule.Operation.Action & 4 && currentStartLine === previousStartLine) { + lineAdded = true; + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(true); + } + } + trimTrailingWhitespaces = !(rule.Operation.Action & 8) && rule.Flag !== 1; } - pos = textPos; + else { + trimTrailingWhitespaces = true; + } + if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { + trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + } + return lineAdded; } - return pos; - }; - NodeObject.prototype.createSyntaxList = function (nodes) { - var list = createNode(286, nodes.pos, nodes.end, this); - list._children = []; - var pos = nodes.pos; - for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { - var node = nodes_4[_i]; - if (pos < node.pos) { - pos = this.addSyntheticNodes(list._children, pos, node.pos); + function insertIndentation(pos, indentation, lineAdded) { + var indentationString = getIndentationString(indentation, options); + if (lineAdded) { + recordReplace(pos, 0, indentationString); + } + else { + var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); + var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); + if (indentation !== tokenStart.character || indentationIsDifferent(indentationString, startLinePosition)) { + recordReplace(startLinePosition, tokenStart.character, indentationString); + } } - list._children.push(node); - pos = node.end; } - if (pos < nodes.end) { - this.addSyntheticNodes(list._children, pos, nodes.end); + function indentationIsDifferent(indentationString, startLinePosition) { + return indentationString !== sourceFile.text.substr(startLinePosition, indentationString.length); } - return list; - }; - NodeObject.prototype.createChildren = function (sourceFile) { - var _this = this; - var children; - if (this.kind >= 140) { - ts.scanner.setText((sourceFile || this.getSourceFile()).text); - children = []; - var pos_3 = this.pos; - var useJSDocScanner_1 = this.kind >= 273 && this.kind <= 285; - var processNode = function (node) { - var isJSDocTagNode = ts.isJSDocTag(node); - if (!isJSDocTagNode && pos_3 < node.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos, useJSDocScanner_1); + function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { + var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; + var parts; + if (startLine === endLine) { + if (!firstLineIsIndented) { + insertIndentation(commentRange.pos, indentation, false); } - children.push(node); - if (!isJSDocTagNode) { - pos_3 = node.end; + return; + } + else { + parts = []; + var startPos = commentRange.pos; + for (var line = startLine; line < endLine; line++) { + var endOfLine = ts.getEndLinePosition(line, sourceFile); + parts.push({ pos: startPos, end: endOfLine }); + startPos = ts.getStartPositionOfLine(line + 1, sourceFile); } - }; - var processNodes = function (nodes) { - if (pos_3 < nodes.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos, useJSDocScanner_1); + parts.push({ pos: startPos, end: commentRange.end }); + } + var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); + if (indentation === nonWhitespaceColumnInFirstPart.column) { + return; + } + var startIndex = 0; + if (firstLineIsIndented) { + startIndex = 1; + startLine++; + } + var delta = indentation - nonWhitespaceColumnInFirstPart.column; + for (var i = startIndex, len = parts.length; i < len; i++, startLine++) { + var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceCharacterAndColumn = i === 0 + ? nonWhitespaceColumnInFirstPart + : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); + var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; + if (newIndentation > 0) { + var indentationString = getIndentationString(newIndentation, options); + recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); } - children.push(_this.createSyntaxList(nodes)); - pos_3 = nodes.end; - }; - if (this.jsDocComments) { - for (var _i = 0, _a = this.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - processNode(jsDocComment); + else { + recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); } } - pos_3 = this.pos; - ts.forEachChild(this, processNode, processNodes); - if (pos_3 < this.end) { - this.addSyntheticNodes(children, pos_3, this.end); - } - ts.scanner.setText(undefined); - } - this._children = children || ts.emptyArray; - }; - NodeObject.prototype.getChildCount = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children.length; - }; - NodeObject.prototype.getChildAt = function (index, sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children[index]; - }; - NodeObject.prototype.getChildren = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children; - }; - NodeObject.prototype.getFirstToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - if (!children.length) { - return undefined; - } - var child = children[0]; - return child.kind < 140 ? child : child.getFirstToken(sourceFile); - }; - NodeObject.prototype.getLastToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - var child = ts.lastOrUndefined(children); - if (!child) { - return undefined; - } - return child.kind < 140 ? child : child.getLastToken(sourceFile); - }; - return NodeObject; - }()); - var TokenOrIdentifierObject = (function () { - function TokenOrIdentifierObject(pos, end) { - this.pos = pos; - this.end = end; - this.flags = 0; - this.parent = undefined; - } - TokenOrIdentifierObject.prototype.getSourceFile = function () { - return ts.getSourceFileOfNode(this); - }; - TokenOrIdentifierObject.prototype.getStart = function (sourceFile, includeJsDocComment) { - return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); - }; - TokenOrIdentifierObject.prototype.getFullStart = function () { - return this.pos; - }; - TokenOrIdentifierObject.prototype.getEnd = function () { - return this.end; - }; - TokenOrIdentifierObject.prototype.getWidth = function (sourceFile) { - return this.getEnd() - this.getStart(sourceFile); - }; - TokenOrIdentifierObject.prototype.getFullWidth = function () { - return this.end - this.pos; - }; - TokenOrIdentifierObject.prototype.getLeadingTriviaWidth = function (sourceFile) { - return this.getStart(sourceFile) - this.pos; - }; - TokenOrIdentifierObject.prototype.getFullText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); - }; - TokenOrIdentifierObject.prototype.getText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); - }; - TokenOrIdentifierObject.prototype.getChildCount = function () { - return 0; - }; - TokenOrIdentifierObject.prototype.getChildAt = function () { - return undefined; - }; - TokenOrIdentifierObject.prototype.getChildren = function () { - return ts.emptyArray; - }; - TokenOrIdentifierObject.prototype.getFirstToken = function () { - return undefined; - }; - TokenOrIdentifierObject.prototype.getLastToken = function () { - return undefined; - }; - return TokenOrIdentifierObject; - }()); - var SymbolObject = (function () { - function SymbolObject(flags, name) { - this.flags = flags; - this.name = name; - } - SymbolObject.prototype.getFlags = function () { - return this.flags; - }; - SymbolObject.prototype.getName = function () { - return this.name; - }; - SymbolObject.prototype.getDeclarations = function () { - return this.declarations; - }; - SymbolObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = ts.JsDoc.getJsDocCommentsFromDeclarations(this.declarations); - } - return this.documentationComment; - }; - return SymbolObject; - }()); - var TokenObject = (function (_super) { - __extends(TokenObject, _super); - function TokenObject(kind, pos, end) { - var _this = _super.call(this, pos, end) || this; - _this.kind = kind; - return _this; - } - return TokenObject; - }(TokenOrIdentifierObject)); - var IdentifierObject = (function (_super) { - __extends(IdentifierObject, _super); - function IdentifierObject(_kind, pos, end) { - return _super.call(this, pos, end) || this; - } - return IdentifierObject; - }(TokenOrIdentifierObject)); - IdentifierObject.prototype.kind = 70; - var TypeObject = (function () { - function TypeObject(checker, flags) { - this.checker = checker; - this.flags = flags; - } - TypeObject.prototype.getFlags = function () { - return this.flags; - }; - TypeObject.prototype.getSymbol = function () { - return this.symbol; - }; - TypeObject.prototype.getProperties = function () { - return this.checker.getPropertiesOfType(this); - }; - TypeObject.prototype.getProperty = function (propertyName) { - return this.checker.getPropertyOfType(this, propertyName); - }; - TypeObject.prototype.getApparentProperties = function () { - return this.checker.getAugmentedPropertiesOfType(this); - }; - TypeObject.prototype.getCallSignatures = function () { - return this.checker.getSignaturesOfType(this, 0); - }; - TypeObject.prototype.getConstructSignatures = function () { - return this.checker.getSignaturesOfType(this, 1); - }; - TypeObject.prototype.getStringIndexType = function () { - return this.checker.getIndexTypeOfType(this, 0); - }; - TypeObject.prototype.getNumberIndexType = function () { - return this.checker.getIndexTypeOfType(this, 1); - }; - TypeObject.prototype.getBaseTypes = function () { - return this.flags & (32768 | 65536) - ? this.checker.getBaseTypes(this) - : undefined; - }; - TypeObject.prototype.getNonNullableType = function () { - return this.checker.getNonNullableType(this); - }; - return TypeObject; - }()); - var SignatureObject = (function () { - function SignatureObject(checker) { - this.checker = checker; - } - SignatureObject.prototype.getDeclaration = function () { - return this.declaration; - }; - SignatureObject.prototype.getTypeParameters = function () { - return this.typeParameters; - }; - SignatureObject.prototype.getParameters = function () { - return this.parameters; - }; - SignatureObject.prototype.getReturnType = function () { - return this.checker.getReturnTypeOfSignature(this); - }; - SignatureObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = this.declaration ? ts.JsDoc.getJsDocCommentsFromDeclarations([this.declaration]) : []; - } - return this.documentationComment; - }; - return SignatureObject; - }()); - var SourceFileObject = (function (_super) { - __extends(SourceFileObject, _super); - function SourceFileObject(kind, pos, end) { - return _super.call(this, kind, pos, end) || this; - } - SourceFileObject.prototype.update = function (newText, textChangeRange) { - return ts.updateSourceFile(this, newText, textChangeRange); - }; - SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { - return ts.getLineAndCharacterOfPosition(this, position); - }; - SourceFileObject.prototype.getLineStarts = function () { - return ts.getLineStarts(this); - }; - SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { - return ts.getPositionOfLineAndCharacter(this, line, character); - }; - SourceFileObject.prototype.getNamedDeclarations = function () { - if (!this.namedDeclarations) { - this.namedDeclarations = this.computeNamedDeclarations(); } - return this.namedDeclarations; - }; - SourceFileObject.prototype.computeNamedDeclarations = function () { - var result = ts.createMap(); - ts.forEachChild(this, visit); - return result; - function addDeclaration(declaration) { - var name = getDeclarationName(declaration); - if (name) { - ts.multiMapAdd(result, name, declaration); + function trimTrailingWhitespacesForLines(line1, line2, range) { + for (var line = line1; line < line2; line++) { + var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); + var lineEndPosition = ts.getEndLinePosition(line, sourceFile); + if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { + continue; + } + var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); + if (whitespaceStart !== -1) { + ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(whitespaceStart - 1))); + recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + } } } - function getDeclarations(name) { - return result[name] || (result[name] = []); + function getTrailingWhitespaceStartPosition(start, end) { + var pos = end; + while (pos >= start && ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(pos))) { + pos--; + } + if (pos !== end) { + return pos + 1; + } + return -1; } - function getDeclarationName(declaration) { - if (declaration.name) { - var result_6 = getTextOfIdentifierOrLiteral(declaration.name); - if (result_6 !== undefined) { - return result_6; - } - if (declaration.name.kind === 141) { - var expr = declaration.name.expression; - if (expr.kind === 173) { - return expr.name.text; - } - return getTextOfIdentifierOrLiteral(expr); - } + function trimTrailingWhitespacesForRemainingRange() { + var startPosition = previousRange ? previousRange.end : originalRange.pos; + var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; + trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); + } + function newTextChange(start, len, newText) { + return { span: ts.createTextSpan(start, len), newText: newText }; + } + function recordDelete(start, len) { + if (len) { + edits.push(newTextChange(start, len, "")); } - return undefined; } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 70 || - node.kind === 9 || - node.kind === 8) { - return node.text; - } + function recordReplace(start, len, newText) { + if (len || newText) { + edits.push(newTextChange(start, len, newText)); } - return undefined; } - function visit(node) { - switch (node.kind) { - case 221: - case 180: - case 148: - case 147: - var functionDeclaration = node; - var declarationName = getDeclarationName(functionDeclaration); - if (declarationName) { - var declarations = getDeclarations(declarationName); - var lastDeclaration = ts.lastOrUndefined(declarations); - if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { - if (functionDeclaration.body && !lastDeclaration.body) { - declarations[declarations.length - 1] = functionDeclaration; - } - } - else { - declarations.push(functionDeclaration); - } - ts.forEachChild(node, visit); + function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { + switch (rule.Operation.Action) { + case 1: + return; + case 8: + if (previousRange.end !== currentRange.pos) { + recordDelete(previousRange.end, currentRange.pos - previousRange.end); } break; - case 222: - case 193: - case 223: - case 224: - case 225: - case 226: - case 230: - case 239: - case 235: - case 230: - case 232: - case 233: - case 150: - case 151: - case 160: - addDeclaration(node); - ts.forEachChild(node, visit); - break; - case 143: - if (!ts.hasModifier(node, 92)) { - break; + case 4: + if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { + return; } - case 219: - case 170: { - var decl = node; - if (ts.isBindingPattern(decl.name)) { - ts.forEachChild(decl.name, visit); - break; + var lineDelta = currentStartLine - previousStartLine; + if (lineDelta !== 1) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.newLineCharacter); } - if (decl.initializer) - visit(decl.initializer); - } - case 255: - case 146: - case 145: - addDeclaration(node); break; - case 237: - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); + case 2: + if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { + return; } - break; - case 231: - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - addDeclaration(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 233) { - addDeclaration(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } + var posDelta = currentRange.pos - previousRange.end; + if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); } break; - default: - ts.forEachChild(node, visit); } } - }; - return SourceFileObject; - }(NodeObject)); - function getServicesObjectAllocator() { - return { - getNodeConstructor: function () { return NodeObject; }, - getTokenConstructor: function () { return TokenObject; }, - getIdentifierConstructor: function () { return IdentifierObject; }, - getSourceFileConstructor: function () { return SourceFileObject; }, - getSymbolConstructor: function () { return SymbolObject; }, - getTypeConstructor: function () { return TypeObject; }, - getSignatureConstructor: function () { return SignatureObject; }, - }; - } - function toEditorSettings(optionsAsMap) { - var allPropertiesAreCamelCased = true; - for (var key in optionsAsMap) { - if (ts.hasProperty(optionsAsMap, key) && !isCamelCase(key)) { - allPropertiesAreCamelCased = false; - break; - } - } - if (allPropertiesAreCamelCased) { - return optionsAsMap; - } - var settings = {}; - for (var key in optionsAsMap) { - if (ts.hasProperty(optionsAsMap, key)) { - var newKey = isCamelCase(key) ? key : key.charAt(0).toLowerCase() + key.substr(1); - settings[newKey] = optionsAsMap[key]; - } - } - return settings; - } - ts.toEditorSettings = toEditorSettings; - function isCamelCase(s) { - return !s.length || s.charAt(0) === s.charAt(0).toLowerCase(); - } - function displayPartsToString(displayParts) { - if (displayParts) { - return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); - } - return ""; - } - ts.displayPartsToString = displayPartsToString; - function getDefaultCompilerOptions() { - return { - target: 1, - jsx: 1 - }; - } - ts.getDefaultCompilerOptions = getDefaultCompilerOptions; - function getSupportedCodeFixes() { - return ts.codefix.getSupportedErrorCodes(); - } - ts.getSupportedCodeFixes = getSupportedCodeFixes; - var HostCache = (function () { - function HostCache(host, getCanonicalFileName) { - this.host = host; - this.getCanonicalFileName = getCanonicalFileName; - this.currentDirectory = host.getCurrentDirectory(); - this.fileNameToEntry = ts.createFileMap(); - var rootFileNames = host.getScriptFileNames(); - for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { - var fileName = rootFileNames_1[_i]; - this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); - } - this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); - } - HostCache.prototype.compilationSettings = function () { - return this._compilationSettings; - }; - HostCache.prototype.createEntry = function (fileName, path) { - var entry; - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (scriptSnapshot) { - entry = { - hostFileName: fileName, - version: this.host.getScriptVersion(fileName), - scriptSnapshot: scriptSnapshot, - scriptKind: ts.getScriptKind(fileName, this.host) - }; - } - this.fileNameToEntry.set(path, entry); - return entry; - }; - HostCache.prototype.getEntry = function (path) { - return this.fileNameToEntry.get(path); - }; - HostCache.prototype.contains = function (path) { - return this.fileNameToEntry.contains(path); - }; - HostCache.prototype.getOrCreateEntry = function (fileName) { - var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); - return this.getOrCreateEntryByPath(fileName, path); - }; - HostCache.prototype.getOrCreateEntryByPath = function (fileName, path) { - return this.contains(path) - ? this.getEntry(path) - : this.createEntry(fileName, path); - }; - HostCache.prototype.getRootFileNames = function () { - var fileNames = []; - this.fileNameToEntry.forEachValue(function (_path, value) { - if (value) { - fileNames.push(value.hostFileName); - } - }); - return fileNames; - }; - HostCache.prototype.getVersion = function (path) { - var file = this.getEntry(path); - return file && file.version; - }; - HostCache.prototype.getScriptSnapshot = function (path) { - var file = this.getEntry(path); - return file && file.scriptSnapshot; - }; - return HostCache; - }()); - var SyntaxTreeCache = (function () { - function SyntaxTreeCache(host) { - this.host = host; } - SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (!scriptSnapshot) { - throw new Error("Could not find file: '" + fileName + "'."); - } - var scriptKind = ts.getScriptKind(fileName, this.host); - var version = this.host.getScriptVersion(fileName); - var sourceFile; - if (this.currentFileName !== fileName) { - sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 4, version, true, scriptKind); - } - else if (this.currentFileVersion !== version) { - var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); - sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); - } - if (sourceFile) { - this.currentFileVersion = version; - this.currentFileName = fileName; - this.currentFileScriptSnapshot = scriptSnapshot; - this.currentSourceFile = sourceFile; - } - return this.currentSourceFile; - }; - return SyntaxTreeCache; - }()); - function setSourceFileFields(sourceFile, scriptSnapshot, version) { - sourceFile.version = version; - sourceFile.scriptSnapshot = scriptSnapshot; - } - function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents, scriptKind) { - var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); - var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents, scriptKind); - setSourceFileFields(sourceFile, scriptSnapshot, version); - return sourceFile; - } - ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; - ts.disableIncrementalParsing = false; - function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { - if (textChangeRange) { - if (version !== sourceFile.version) { - if (!ts.disableIncrementalParsing) { - var newText = void 0; - var prefix = textChangeRange.span.start !== 0 - ? sourceFile.text.substr(0, textChangeRange.span.start) - : ""; - var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length - ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) - : ""; - if (textChangeRange.newLength === 0) { - newText = prefix && suffix ? prefix + suffix : prefix || suffix; + function getOpenTokenForList(node, list) { + switch (node.kind) { + case 149: + case 221: + case 180: + case 148: + case 147: + case 181: + if (node.typeParameters === list) { + return 26; } - else { - var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); - newText = prefix && suffix - ? prefix + changedText + suffix - : prefix - ? (prefix + changedText) - : (changedText + suffix); + else if (node.parameters === list) { + return 18; } - var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - setSourceFileFields(newSourceFile, scriptSnapshot, version); - newSourceFile.nameTable = undefined; - if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { - if (sourceFile.scriptSnapshot.dispose) { - sourceFile.scriptSnapshot.dispose(); - } - sourceFile.scriptSnapshot = undefined; + break; + case 175: + case 176: + if (node.typeArguments === list) { + return 26; + } + else if (node.arguments === list) { + return 18; + } + break; + case 156: + if (node.typeArguments === list) { + return 26; } - return newSourceFile; - } - } - } - return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, true, sourceFile.scriptKind); - } - ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; - var CancellationTokenObject = (function () { - function CancellationTokenObject(cancellationToken) { - this.cancellationToken = cancellationToken; - } - CancellationTokenObject.prototype.isCancellationRequested = function () { - return this.cancellationToken && this.cancellationToken.isCancellationRequested(); - }; - CancellationTokenObject.prototype.throwIfCancellationRequested = function () { - if (this.isCancellationRequested()) { - throw new ts.OperationCanceledException(); - } - }; - return CancellationTokenObject; - }()); - function createLanguageService(host, documentRegistry) { - if (documentRegistry === void 0) { documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } - var syntaxTreeCache = new SyntaxTreeCache(host); - var ruleProvider; - var program; - var lastProjectVersion; - var lastTypesRootVersion = 0; - var useCaseSensitivefileNames = host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(); - var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); - var currentDirectory = host.getCurrentDirectory(); - if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { - ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); - } - function log(message) { - if (host.log) { - host.log(message); } + return 0; } - var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); - function getValidSourceFile(fileName) { - var sourceFile = program.getSourceFile(fileName); - if (!sourceFile) { - throw new Error("Could not find file: '" + fileName + "'."); + function getCloseTokenForOpenToken(kind) { + switch (kind) { + case 18: + return 19; + case 26: + return 28; } - return sourceFile; + return 0; } - function getRuleProvider(options) { - if (!ruleProvider) { - ruleProvider = new ts.formatting.RulesProvider(); + var internedSizes; + var internedTabsIndentation; + var internedSpacesIndentation; + function getIndentationString(indentation, options) { + var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.tabSize || internedSizes.indentSize !== options.indentSize); + if (resetInternedStrings) { + internedSizes = { tabSize: options.tabSize, indentSize: options.indentSize }; + internedTabsIndentation = internedSpacesIndentation = undefined; } - ruleProvider.ensureUpToDate(options); - return ruleProvider; - } - function synchronizeHostData() { - if (host.getProjectVersion) { - var hostProjectVersion = host.getProjectVersion(); - if (hostProjectVersion) { - if (lastProjectVersion === hostProjectVersion) { - return; - } - lastProjectVersion = hostProjectVersion; + if (!options.convertTabsToSpaces) { + var tabs = Math.floor(indentation / options.tabSize); + var spaces = indentation - tabs * options.tabSize; + var tabString = void 0; + if (!internedTabsIndentation) { + internedTabsIndentation = []; } + if (internedTabsIndentation[tabs] === undefined) { + internedTabsIndentation[tabs] = tabString = repeat("\t", tabs); + } + else { + tabString = internedTabsIndentation[tabs]; + } + return spaces ? tabString + repeat(" ", spaces) : tabString; } - var typeRootsVersion = host.getTypeRootsVersion ? host.getTypeRootsVersion() : 0; - if (lastTypesRootVersion !== typeRootsVersion) { - log("TypeRoots version has changed; provide new program"); - program = undefined; - lastTypesRootVersion = typeRootsVersion; + else { + var spacesString = void 0; + var quotient = Math.floor(indentation / options.indentSize); + var remainder = indentation % options.indentSize; + if (!internedSpacesIndentation) { + internedSpacesIndentation = []; + } + if (internedSpacesIndentation[quotient] === undefined) { + spacesString = repeat(" ", options.indentSize * quotient); + internedSpacesIndentation[quotient] = spacesString; + } + else { + spacesString = internedSpacesIndentation[quotient]; + } + return remainder ? spacesString + repeat(" ", remainder) : spacesString; } - var hostCache = new HostCache(host, getCanonicalFileName); - if (programUpToDate()) { - return; + function repeat(value, count) { + var s = ""; + for (var i = 0; i < count; i++) { + s += value; + } + return s; } - var oldSettings = program && program.getCompilerOptions(); - var newSettings = hostCache.compilationSettings(); - var shouldCreateNewSourceFiles = oldSettings && - (oldSettings.target !== newSettings.target || - oldSettings.module !== newSettings.module || - oldSettings.moduleResolution !== newSettings.moduleResolution || - oldSettings.noResolve !== newSettings.noResolve || - oldSettings.jsx !== newSettings.jsx || - oldSettings.allowJs !== newSettings.allowJs || - oldSettings.disableSizeLimit !== oldSettings.disableSizeLimit || - oldSettings.baseUrl !== newSettings.baseUrl || - !ts.equalOwnProperties(oldSettings.paths, newSettings.paths)); - var compilerHost = { - getSourceFile: getOrCreateSourceFile, - getSourceFileByPath: getOrCreateSourceFileByPath, - getCancellationToken: function () { return cancellationToken; }, - getCanonicalFileName: getCanonicalFileName, - useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, - getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, - getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, - writeFile: function () { }, - getCurrentDirectory: function () { return currentDirectory; }, - fileExists: function (fileName) { - return hostCache.getOrCreateEntry(fileName) !== undefined; - }, - readFile: function (fileName) { - var entry = hostCache.getOrCreateEntry(fileName); - return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); - }, - directoryExists: function (directoryName) { - return ts.directoryProbablyExists(directoryName, host); - }, - getDirectories: function (path) { - return host.getDirectories ? host.getDirectories(path) : []; + } + formatting.getIndentationString = getIndentationString; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var SmartIndenter; + (function (SmartIndenter) { + function getIndentation(position, sourceFile, options) { + if (position > sourceFile.text.length) { + return getBaseIndentation(options); + } + if (options.indentStyle === ts.IndentStyle.None) { + return 0; + } + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken) { + return getBaseIndentation(options); + } + var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); + if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { + return 0; + } + var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (options.indentStyle === ts.IndentStyle.Block) { + var current_1 = position; + while (current_1 > 0) { + var char = sourceFile.text.charCodeAt(current_1); + if (!ts.isWhiteSpace(char)) { + break; + } + current_1--; + } + var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); + return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); } - }; - if (host.trace) { - compilerHost.trace = function (message) { return host.trace(message); }; + if (precedingToken.kind === 25 && precedingToken.parent.kind !== 188) { + var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation; + } + } + var previous; + var current = precedingToken; + var currentStart; + var indentationDelta; + while (current) { + if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { + currentStart = getStartLineAndCharacterForNode(current, sourceFile); + if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { + indentationDelta = 0; + } + else { + indentationDelta = lineAtPosition !== currentStart.line ? options.indentSize : 0; + } + break; + } + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + options.indentSize; + } + previous = current; + current = current.parent; + } + if (!current) { + return getBaseIndentation(options); + } + return getIndentationForNodeWorker(current, currentStart, undefined, indentationDelta, sourceFile, options); } - if (host.resolveModuleNames) { - compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; + SmartIndenter.getIndentation = getIndentation; + function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { + var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, 0, sourceFile, options); } - if (host.resolveTypeReferenceDirectives) { - compilerHost.resolveTypeReferenceDirectives = function (typeReferenceDirectiveNames, containingFile) { - return host.resolveTypeReferenceDirectives(typeReferenceDirectiveNames, containingFile); - }; + SmartIndenter.getIndentationForNode = getIndentationForNode; + function getBaseIndentation(options) { + return options.baseIndentSize || 0; } - var documentRegistryBucketKey = documentRegistry.getKeyForCompilationSettings(newSettings); - var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); - if (program) { - var oldSourceFiles = program.getSourceFiles(); - var oldSettingsKey = documentRegistry.getKeyForCompilationSettings(oldSettings); - for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { - var oldSourceFile = oldSourceFiles_1[_i]; - if (!newProgram.getSourceFile(oldSourceFile.fileName) || shouldCreateNewSourceFiles) { - documentRegistry.releaseDocumentWithKey(oldSourceFile.path, oldSettingsKey); + SmartIndenter.getBaseIndentation = getBaseIndentation; + function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { + var parent = current.parent; + var parentStart; + while (parent) { + var useActualIndentation = true; + if (ignoreActualIndentationRange) { + var start = current.getStart(sourceFile); + useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + } + if (useActualIndentation) { + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + } + parentStart = getParentStart(parent, current, sourceFile); + var parentAndChildShareLine = parentStart.line === currentStart.line || + childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); + if (useActualIndentation) { + var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + } + if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { + indentationDelta += options.indentSize; } + current = parent; + currentStart = parentStart; + parent = current.parent; } + return indentationDelta + getBaseIndentation(options); } - hostCache = undefined; - program = newProgram; - program.getTypeChecker(); - return; - function getOrCreateSourceFile(fileName) { - return getOrCreateSourceFileByPath(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + function getParentStart(parent, child, sourceFile) { + var containingList = getContainingList(child, sourceFile); + if (containingList) { + return sourceFile.getLineAndCharacterOfPosition(containingList.pos); + } + return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); } - function getOrCreateSourceFileByPath(fileName, path) { - ts.Debug.assert(hostCache !== undefined); - var hostFileInformation = hostCache.getOrCreateEntryByPath(fileName, path); - if (!hostFileInformation) { - return undefined; + function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { + var commaItemInfo = ts.findListItemInfo(commaToken); + if (commaItemInfo && commaItemInfo.listItemIndex > 0) { + return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); } - if (!shouldCreateNewSourceFiles) { - var oldSourceFile = program && program.getSourceFileByPath(path); - if (oldSourceFile) { - ts.Debug.assert(hostFileInformation.scriptKind === oldSourceFile.scriptKind, "Registered script kind (" + oldSourceFile.scriptKind + ") should match new script kind (" + hostFileInformation.scriptKind + ") for file: " + path); - return documentRegistry.updateDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); - } + else { + return -1; } - return documentRegistry.acquireDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); } - function sourceFileUpToDate(sourceFile) { - if (!sourceFile) { - return false; + function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { + var useActualIndentation = (ts.isDeclaration(current) || ts.isStatementButNotDeclaration(current)) && + (parent.kind === 256 || !parentAndChildShareLine); + if (!useActualIndentation) { + return -1; } - var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); - return sourceFile.version === hostCache.getVersion(path); + return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); } - function programUpToDate() { - if (!program) { + function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { + var nextToken = ts.findNextToken(precedingToken, current); + if (!nextToken) { return false; } - var rootFileNames = hostCache.getRootFileNames(); - if (program.getSourceFiles().length !== rootFileNames.length) { - return false; + if (nextToken.kind === 16) { + return true; } - for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { - var fileName = rootFileNames_2[_i]; - if (!sourceFileUpToDate(program.getSourceFile(fileName))) { - return false; - } + else if (nextToken.kind === 17) { + var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; + return lineAtPosition === nextTokenStartLine; } - return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); - } - } - function getProgram() { - synchronizeHostData(); - return program; - } - function cleanupSemanticCache() { - } - function dispose() { - if (program) { - ts.forEach(program.getSourceFiles(), function (f) { - return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); - }); - } - } - function getSyntacticDiagnostics(fileName) { - synchronizeHostData(); - return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); - } - function getSemanticDiagnostics(fileName) { - synchronizeHostData(); - var targetSourceFile = getValidSourceFile(fileName); - var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); - if (!program.getCompilerOptions().declaration) { - return semanticDiagnostics; + return false; } - var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); - return ts.concatenate(semanticDiagnostics, declarationDiagnostics); - } - function getCompilerOptionsDiagnostics() { - synchronizeHostData(); - return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); - } - function getCompletionsAtPosition(fileName, position) { - synchronizeHostData(); - return ts.Completions.getCompletionsAtPosition(host, program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position); - } - function getCompletionEntryDetails(fileName, position, entryName) { - synchronizeHostData(); - return ts.Completions.getCompletionEntryDetails(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); - } - function getCompletionEntrySymbol(fileName, position, entryName) { - synchronizeHostData(); - return ts.Completions.getCompletionEntrySymbol(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); - } - function getQuickInfoAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (node === sourceFile) { - return undefined; + function getStartLineAndCharacterForNode(n, sourceFile) { + return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); } - if (ts.isLabelName(node)) { - return undefined; + function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { + if (parent.kind === 204 && parent.elseStatement === child) { + var elseKeyword = ts.findChildOfKind(parent, 81, sourceFile); + ts.Debug.assert(elseKeyword !== undefined); + var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; + return elseKeywordStartLine === childStartLine; + } + return false; } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol || typeChecker.isUnknownSymbol(symbol)) { - switch (node.kind) { - case 70: - case 173: - case 140: - case 98: - case 166: - case 96: - var type = typeChecker.getTypeAtLocation(node); - if (type) { - return { - kind: ts.ScriptElementKind.unknown, - kindModifiers: ts.ScriptElementKindModifier.none, - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: ts.typeToDisplayParts(typeChecker, type, ts.getContainerNode(node)), - documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined - }; + SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; + function getContainingList(node, sourceFile) { + if (node.parent) { + switch (node.parent.kind) { + case 156: + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { + return node.parent.typeArguments; + } + break; + case 172: + return node.parent.properties; + case 171: + return node.parent.elements; + case 221: + case 180: + case 181: + case 148: + case 147: + case 152: + case 153: { + var start = node.getStart(sourceFile); + if (node.parent.typeParameters && + ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { + return node.parent.typeParameters; + } + if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { + return node.parent.parameters; + } + break; + } + case 176: + case 175: { + var start = node.getStart(sourceFile); + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { + return node.parent.typeArguments; + } + if (node.parent.arguments && + ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { + return node.parent.arguments; + } + break; } + } } return undefined; } - var displayPartsDocumentationsAndKind = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, ts.getContainerNode(node), node); - return { - kind: displayPartsDocumentationsAndKind.symbolKind, - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: displayPartsDocumentationsAndKind.displayParts, - documentation: displayPartsDocumentationsAndKind.documentation - }; - } - function getDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - return ts.GoToDefinition.getDefinitionAtPosition(program, getValidSourceFile(fileName), position); - } - function getImplementationAtPosition(fileName, position) { - synchronizeHostData(); - return ts.GoToImplementation.getImplementationAtPosition(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), ts.getTouchingPropertyName(getValidSourceFile(fileName), position)); - } - function getTypeDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - return ts.GoToDefinition.getTypeDefinitionAtPosition(program.getTypeChecker(), getValidSourceFile(fileName), position); - } - function getOccurrencesAtPosition(fileName, position) { - var results = getOccurrencesAtPositionCore(fileName, position); - if (results) { - var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); - results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); - } - return results; - } - function getDocumentHighlights(fileName, position, filesToSearch) { - synchronizeHostData(); - var sourceFilesToSearch = ts.map(filesToSearch, function (f) { return program.getSourceFile(f); }); - var sourceFile = getValidSourceFile(fileName); - return ts.DocumentHighlights.getDocumentHighlights(program.getTypeChecker(), cancellationToken, sourceFile, position, sourceFilesToSearch); - } - function getOccurrencesAtPositionCore(fileName, position) { - synchronizeHostData(); - return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); - function convertDocumentHighlights(documentHighlights) { - if (!documentHighlights) { - return undefined; - } - var result = []; - for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { - var entry = documentHighlights_1[_i]; - for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { - var highlightSpan = _b[_a]; - result.push({ - fileName: entry.fileName, - textSpan: highlightSpan.textSpan, - isWriteAccess: highlightSpan.kind === ts.HighlightSpanKind.writtenReference, - isDefinition: false - }); - } + function getActualIndentationForListItem(node, sourceFile, options) { + var containingList = getContainingList(node, sourceFile); + return containingList ? getActualIndentationFromList(containingList) : -1; + function getActualIndentationFromList(list) { + var index = ts.indexOf(list, node); + return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1; } - return result; - } - } - function findRenameLocations(fileName, position, findInStrings, findInComments) { - var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); - return ts.FindAllReferences.convertReferences(referencedSymbols); - } - function getReferencesAtPosition(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, false, false); - return ts.FindAllReferences.convertReferences(referencedSymbols); - } - function findReferences(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, false, false); - return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); - } - function findReferencedSymbols(fileName, position, findInStrings, findInComments) { - synchronizeHostData(); - return ts.FindAllReferences.findReferencedSymbols(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position, findInStrings, findInComments); - } - function getNavigateToItems(searchValue, maxResultCount, fileName, excludeDtsFiles) { - synchronizeHostData(); - var sourceFiles = fileName ? [getValidSourceFile(fileName)] : program.getSourceFiles(); - return ts.NavigateTo.getNavigateToItems(sourceFiles, program.getTypeChecker(), cancellationToken, searchValue, maxResultCount, excludeDtsFiles); - } - function getEmitOutput(fileName, emitOnlyDtsFiles) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var outputFiles = []; - function writeFile(fileName, data, writeByteOrderMark) { - outputFiles.push({ - name: fileName, - writeByteOrderMark: writeByteOrderMark, - text: data - }); - } - var emitOutput = program.emit(sourceFile, writeFile, cancellationToken, emitOnlyDtsFiles); - return { - outputFiles: outputFiles, - emitSkipped: emitOutput.emitSkipped - }; - } - function getSignatureHelpItems(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); - } - function getNonBoundSourceFile(fileName) { - return syntaxTreeCache.getCurrentSourceFile(fileName); - } - function getSourceFile(fileName) { - return getNonBoundSourceFile(fileName); - } - function getNameOrDottedNameSpan(fileName, startPos, _endPos) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, startPos); - if (node === sourceFile) { - return; - } - switch (node.kind) { - case 173: - case 140: - case 9: - case 85: - case 100: - case 94: - case 96: - case 98: - case 166: - case 70: - break; - default: - return; } - var nodeForStartPos = node; - while (true) { - if (ts.isRightSideOfPropertyAccess(nodeForStartPos) || ts.isRightSideOfQualifiedName(nodeForStartPos)) { - nodeForStartPos = nodeForStartPos.parent; + function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { + if (node.kind === 19) { + return -1; } - else if (ts.isNameOfModuleDeclaration(nodeForStartPos)) { - if (nodeForStartPos.parent.parent.kind === 226 && - nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { - nodeForStartPos = nodeForStartPos.parent.parent.name; + if (node.parent && (node.parent.kind === 175 || + node.parent.kind === 176) && + node.parent.expression !== node) { + var fullCallOrNewExpression = node.parent.expression; + var startingExpression = getStartingExpression(fullCallOrNewExpression); + if (fullCallOrNewExpression === startingExpression) { + return -1; } - else { - break; + var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); + var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); + if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { + return -1; } + return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); } - else { - break; - } - } - return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); - } - function getBreakpointStatementAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); - } - function getNavigationBarItems(fileName) { - return ts.NavigationBar.getNavigationBarItems(syntaxTreeCache.getCurrentSourceFile(fileName)); - } - function getNavigationTree(fileName) { - return ts.NavigationBar.getNavigationTree(syntaxTreeCache.getCurrentSourceFile(fileName)); - } - function isTsOrTsxFile(fileName) { - var kind = ts.getScriptKind(fileName, host); - return kind === 3 || kind === 4; - } - function getSemanticClassifications(fileName, span) { - if (!isTsOrTsxFile(fileName)) { - return []; - } - synchronizeHostData(); - return ts.getSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); - } - function getEncodedSemanticClassifications(fileName, span) { - if (!isTsOrTsxFile(fileName)) { - return { spans: [], endOfLineState: 0 }; - } - synchronizeHostData(); - return ts.getEncodedSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); - } - function getSyntacticClassifications(fileName, span) { - return ts.getSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); - } - function getEncodedSyntacticClassifications(fileName, span) { - return ts.getEncodedSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); - } - function getOutliningSpans(fileName) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.OutliningElementsCollector.collectElements(sourceFile); - } - function getBraceMatchingAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var result = []; - var token = ts.getTouchingToken(sourceFile, position); - if (token.getStart(sourceFile) === position) { - var matchKind = getMatchingTokenKind(token); - if (matchKind) { - var parentElement = token.parent; - var childNodes = parentElement.getChildren(sourceFile); - for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { - var current = childNodes_1[_i]; - if (current.kind === matchKind) { - var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); - var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); - if (range1.start < range2.start) { - result.push(range1, range2); - } - else { - result.push(range2, range1); - } - break; + return -1; + function getStartingExpression(node) { + while (true) { + switch (node.kind) { + case 175: + case 176: + case 173: + case 174: + node = node.expression; + break; + default: + return node; } } } } - return result; - function getMatchingTokenKind(token) { - switch (token.kind) { - case 16: return 17; - case 18: return 19; - case 20: return 21; - case 26: return 28; - case 17: return 16; - case 19: return 18; - case 21: return 20; - case 28: return 26; - } - return undefined; - } - } - function getIndentationAtPosition(fileName, position, editorOptions) { - var start = ts.timestamp(); - var settings = toEditorSettings(editorOptions); - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - log("getIndentationAtPosition: getCurrentSourceFile: " + (ts.timestamp() - start)); - start = ts.timestamp(); - var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, settings); - log("getIndentationAtPosition: computeIndentation : " + (ts.timestamp() - start)); - return result; - } - function getFormattingEditsForRange(fileName, start, end, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var settings = toEditorSettings(options); - return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(settings), settings); - } - function getFormattingEditsForDocument(fileName, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var settings = toEditorSettings(options); - return ts.formatting.formatDocument(sourceFile, getRuleProvider(settings), settings); - } - function getFormattingEditsAfterKeystroke(fileName, position, key, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var settings = toEditorSettings(options); - if (key === "}") { - return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(settings), settings); - } - else if (key === ";") { - return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(settings), settings); - } - else if (key === "\n") { - return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(settings), settings); - } - return []; - } - function getCodeFixesAtPosition(fileName, start, end, errorCodes) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var span = { start: start, length: end - start }; - var newLineChar = ts.getNewLineOrDefaultFromHost(host); - var allFixes = []; - ts.forEach(errorCodes, function (error) { - cancellationToken.throwIfCancellationRequested(); - var context = { - errorCode: error, - sourceFile: sourceFile, - span: span, - program: program, - newLineCharacter: newLineChar - }; - var fixes = ts.codefix.getFixes(context); - if (fixes) { - allFixes = allFixes.concat(fixes); + function deriveActualIndentationFromList(list, index, sourceFile, options) { + ts.Debug.assert(index >= 0 && index < list.length); + var node = list[index]; + var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); + for (var i = index - 1; i >= 0; i--) { + if (list[i].kind === 25) { + continue; + } + var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; + if (prevEndLine !== lineAndCharacter.line) { + return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + } + lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); } - }); - return allFixes; - } - function getDocCommentTemplateAtPosition(fileName, position) { - return ts.JsDoc.getDocCommentTemplateAtPosition(ts.getNewLineOrDefaultFromHost(host), syntaxTreeCache.getCurrentSourceFile(fileName), position); - } - function isValidBraceCompletionAtPosition(fileName, position, openingBrace) { - if (openingBrace === 60) { - return false; - } - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position)) { - return false; - } - if (ts.isInsideJsxElementOrAttribute(sourceFile, position)) { - return openingBrace === 123; + return -1; } - if (ts.isInTemplateString(sourceFile, position)) { - return false; + function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { + var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); + return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); } - return true; - } - function getTodoComments(fileName, descriptors) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - cancellationToken.throwIfCancellationRequested(); - var fileContents = sourceFile.text; - var result = []; - if (descriptors.length > 0) { - var regExp = getTodoCommentsRegExp(); - var matchArray = void 0; - while (matchArray = regExp.exec(fileContents)) { - cancellationToken.throwIfCancellationRequested(); - var firstDescriptorCaptureIndex = 3; - ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); - var preamble = matchArray[1]; - var matchPosition = matchArray.index + preamble.length; - var token = ts.getTokenAtPosition(sourceFile, matchPosition); - if (!ts.isInsideComment(sourceFile, token, matchPosition)) { - continue; + function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { + var character = 0; + var column = 0; + for (var pos = startPos; pos < endPos; pos++) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpaceSingleLine(ch)) { + break; } - var descriptor = undefined; - for (var i = 0, n = descriptors.length; i < n; i++) { - if (matchArray[i + firstDescriptorCaptureIndex]) { - descriptor = descriptors[i]; - } + if (ch === 9) { + column += options.tabSize + (column % options.tabSize); } - ts.Debug.assert(descriptor !== undefined); - if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { - continue; + else { + column++; } - var message = matchArray[2]; - result.push({ - descriptor: descriptor, - message: message, - position: matchPosition - }); + character++; } + return { column: column, character: character }; } - return result; - function escapeRegExp(str) { - return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; + function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { + return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; } - function getTodoCommentsRegExp() { - var singleLineCommentStart = /(?:\/\/+\s*)/.source; - var multiLineCommentStart = /(?:\/\*+\s*)/.source; - var anyNumberOfSpacesAndAsterisksAtStartOfLine = /(?:^(?:\s|\*)*)/.source; - var preamble = "(" + anyNumberOfSpacesAndAsterisksAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; - var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; - var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; - var messageRemainder = /(?:.*?)/.source; - var messagePortion = "(" + literals + messageRemainder + ")"; - var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; - return new RegExp(regExpString, "gim"); + SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; + function nodeContentIsAlwaysIndented(kind) { + switch (kind) { + case 203: + case 222: + case 193: + case 223: + case 225: + case 224: + case 171: + case 200: + case 227: + case 172: + case 160: + case 162: + case 228: + case 250: + case 249: + case 179: + case 173: + case 175: + case 176: + case 201: + case 219: + case 236: + case 212: + case 189: + case 169: + case 168: + case 244: + case 243: + case 248: + case 147: + case 152: + case 153: + case 143: + case 157: + case 158: + case 165: + case 177: + case 185: + case 238: + case 234: + case 239: + case 235: + return true; + } + return false; } - function isLetterOrDigit(char) { - return (char >= 97 && char <= 122) || - (char >= 65 && char <= 90) || - (char >= 48 && char <= 57); + function nodeWillIndentChild(parent, child, indentByDefault) { + var childKind = child ? child.kind : 0; + switch (parent.kind) { + case 205: + case 206: + case 208: + case 209: + case 207: + case 204: + case 221: + case 180: + case 148: + case 181: + case 149: + case 150: + case 151: + return childKind !== 200; + case 237: + return childKind !== 238; + case 231: + return childKind !== 232 || + (child.namedBindings && child.namedBindings.kind !== 234); + case 242: + return childKind !== 245; + } + return indentByDefault; + } + SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; + function shouldIndentChildNode(parent, child) { + return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); } + SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; + })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var codeFixes = ts.createMap(); + function registerCodeFix(action) { + ts.forEach(action.errorCodes, function (error) { + var fixes = codeFixes[error]; + if (!fixes) { + fixes = []; + codeFixes[error] = fixes; + } + fixes.push(action); + }); } - function getRenameInfo(fileName, position) { - synchronizeHostData(); - var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); - return ts.Rename.getRenameInfo(program.getTypeChecker(), defaultLibFileName, getCanonicalFileName, getValidSourceFile(fileName), position); + codefix.registerCodeFix = registerCodeFix; + function getSupportedErrorCodes() { + return Object.keys(codeFixes); } - return { - dispose: dispose, - cleanupSemanticCache: cleanupSemanticCache, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, - getSyntacticClassifications: getSyntacticClassifications, - getSemanticClassifications: getSemanticClassifications, - getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, - getEncodedSemanticClassifications: getEncodedSemanticClassifications, - getCompletionsAtPosition: getCompletionsAtPosition, - getCompletionEntryDetails: getCompletionEntryDetails, - getCompletionEntrySymbol: getCompletionEntrySymbol, - getSignatureHelpItems: getSignatureHelpItems, - getQuickInfoAtPosition: getQuickInfoAtPosition, - getDefinitionAtPosition: getDefinitionAtPosition, - getImplementationAtPosition: getImplementationAtPosition, - getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, - getReferencesAtPosition: getReferencesAtPosition, - findReferences: findReferences, - getOccurrencesAtPosition: getOccurrencesAtPosition, - getDocumentHighlights: getDocumentHighlights, - getNameOrDottedNameSpan: getNameOrDottedNameSpan, - getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, - getNavigateToItems: getNavigateToItems, - getRenameInfo: getRenameInfo, - findRenameLocations: findRenameLocations, - getNavigationBarItems: getNavigationBarItems, - getNavigationTree: getNavigationTree, - getOutliningSpans: getOutliningSpans, - getTodoComments: getTodoComments, - getBraceMatchingAtPosition: getBraceMatchingAtPosition, - getIndentationAtPosition: getIndentationAtPosition, - getFormattingEditsForRange: getFormattingEditsForRange, - getFormattingEditsForDocument: getFormattingEditsForDocument, - getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, - getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, - isValidBraceCompletionAtPosition: isValidBraceCompletionAtPosition, - getCodeFixesAtPosition: getCodeFixesAtPosition, - getEmitOutput: getEmitOutput, - getNonBoundSourceFile: getNonBoundSourceFile, - getSourceFile: getSourceFile, - getProgram: getProgram - }; - } - ts.createLanguageService = createLanguageService; - function getNameTable(sourceFile) { - if (!sourceFile.nameTable) { - initializeNameTable(sourceFile); + codefix.getSupportedErrorCodes = getSupportedErrorCodes; + function getFixes(context) { + var fixes = codeFixes[context.errorCode]; + var allActions = []; + ts.forEach(fixes, function (f) { + var actions = f.getCodeActions(context); + if (actions && actions.length > 0) { + allActions = allActions.concat(actions); + } + }); + return allActions; } - return sourceFile.nameTable; - } - ts.getNameTable = getNameTable; - function initializeNameTable(sourceFile) { - var nameTable = ts.createMap(); - walk(sourceFile); - sourceFile.nameTable = nameTable; - function walk(node) { - switch (node.kind) { - case 70: - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - break; - case 9: - case 8: - if (ts.isDeclarationName(node) || - node.parent.kind === 241 || - isArgumentOfElementAccessExpression(node) || - ts.isLiteralComputedPropertyDeclarationName(node)) { - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - } - break; - default: - ts.forEachChild(node, walk); - if (node.jsDocComments) { - for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - ts.forEachChild(jsDocComment, walk); + codefix.getFixes = getFixes; + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var codefix; + (function (codefix) { + function getOpenBraceEnd(constructor, sourceFile) { + return constructor.body.getFirstToken(sourceFile).getEnd(); + } + codefix.registerCodeFix({ + errorCodes: [ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call.code], + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var token = ts.getTokenAtPosition(sourceFile, context.span.start); + if (token.kind !== 122) { + return undefined; + } + var newPosition = getOpenBraceEnd(token.parent, sourceFile); + return [{ + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Add_missing_super_call), + changes: [{ fileName: sourceFile.fileName, textChanges: [{ newText: "super();", span: { start: newPosition, length: 0 } }] }] + }]; + } + }); + codefix.registerCodeFix({ + errorCodes: [ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class.code], + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var token = ts.getTokenAtPosition(sourceFile, context.span.start); + if (token.kind !== 98) { + return undefined; + } + var constructor = ts.getContainingFunction(token); + var superCall = findSuperCall(constructor.body); + if (!superCall) { + return undefined; + } + if (superCall.expression && superCall.expression.kind == 175) { + var arguments_1 = superCall.expression.arguments; + for (var i = 0; i < arguments_1.length; i++) { + if (arguments_1[i].expression === token) { + return undefined; } } + } + var newPosition = getOpenBraceEnd(constructor, sourceFile); + var changes = [{ + fileName: sourceFile.fileName, textChanges: [{ + newText: superCall.getText(sourceFile), + span: { start: newPosition, length: 0 } + }, + { + newText: "", + span: { start: superCall.getStart(sourceFile), length: superCall.getWidth(sourceFile) } + }] + }]; + return [{ + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Make_super_call_the_first_statement_in_the_constructor), + changes: changes + }]; + function findSuperCall(n) { + if (n.kind === 203 && ts.isSuperCall(n.expression)) { + return n; + } + if (ts.isFunctionLike(n)) { + return undefined; + } + return ts.forEachChild(n, findSuperCall); + } } - } - } - function isArgumentOfElementAccessExpression(node) { - return node && - node.parent && - node.parent.kind === 174 && - node.parent.argumentExpression === node; - } - function getDefaultLibFilePath(options) { - if (typeof __dirname !== "undefined") { - return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); - } - throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); - } - ts.getDefaultLibFilePath = getDefaultLibFilePath; - function initializeServices() { - ts.objectAllocator = getServicesObjectAllocator(); - } - initializeServices(); + }); + })(codefix = ts.codefix || (ts.codefix = {})); })(ts || (ts = {})); -var debugObjectHost = (function () { return this; })(); var ts; (function (ts) { - function logInternalError(logger, err) { - if (logger) { - logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); - } + ts.servicesVersion = "0.5"; + function createNode(kind, pos, end, parent) { + var node = kind >= 140 ? new NodeObject(kind, pos, end) : + kind === 70 ? new IdentifierObject(70, pos, end) : + new TokenObject(kind, pos, end); + node.parent = parent; + return node; } - var ScriptSnapshotShimAdapter = (function () { - function ScriptSnapshotShimAdapter(scriptSnapshotShim) { - this.scriptSnapshotShim = scriptSnapshotShim; + var NodeObject = (function () { + function NodeObject(kind, pos, end) { + this.pos = pos; + this.end = end; + this.flags = 0; + this.transformFlags = undefined; + this.excludeTransformFlags = undefined; + this.parent = undefined; + this.kind = kind; } - ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { - return this.scriptSnapshotShim.getText(start, end); + NodeObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); }; - ScriptSnapshotShimAdapter.prototype.getLength = function () { - return this.scriptSnapshotShim.getLength(); + NodeObject.prototype.getStart = function (sourceFile, includeJsDocComment) { + return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); }; - ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { - var oldSnapshotShim = oldSnapshot; - var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); - if (encoded == null) { - return null; + NodeObject.prototype.getFullStart = function () { + return this.pos; + }; + NodeObject.prototype.getEnd = function () { + return this.end; + }; + NodeObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); + }; + NodeObject.prototype.getFullWidth = function () { + return this.end - this.pos; + }; + NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; + }; + NodeObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); + }; + NodeObject.prototype.getText = function (sourceFile) { + if (!sourceFile) { + sourceFile = this.getSourceFile(); } - var decoded = JSON.parse(encoded); - return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd()); }; - ScriptSnapshotShimAdapter.prototype.dispose = function () { - if ("dispose" in this.scriptSnapshotShim) { - this.scriptSnapshotShim.dispose(); + NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end, useJSDocScanner) { + ts.scanner.setTextPos(pos); + while (pos < end) { + var token = useJSDocScanner ? ts.scanner.scanJSDocToken() : ts.scanner.scan(); + var textPos = ts.scanner.getTextPos(); + if (textPos <= end) { + nodes.push(createNode(token, pos, textPos, this)); + } + pos = textPos; } + return pos; }; - return ScriptSnapshotShimAdapter; - }()); - var LanguageServiceShimHostAdapter = (function () { - function LanguageServiceShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - this.loggingEnabled = false; - this.tracingEnabled = false; - if ("getModuleResolutionsForFile" in this.shimHost) { - this.resolveModuleNames = function (moduleNames, containingFile) { - var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); - return ts.map(moduleNames, function (name) { - var result = ts.getProperty(resolutionsInFile, name); - return result ? { resolvedFileName: result } : undefined; - }); - }; + NodeObject.prototype.createSyntaxList = function (nodes) { + var list = createNode(286, nodes.pos, nodes.end, this); + list._children = []; + var pos = nodes.pos; + for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { + var node = nodes_4[_i]; + if (pos < node.pos) { + pos = this.addSyntheticNodes(list._children, pos, node.pos); + } + list._children.push(node); + pos = node.end; } - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + if (pos < nodes.end) { + this.addSyntheticNodes(list._children, pos, nodes.end); } - if ("getTypeReferenceDirectiveResolutionsForFile" in this.shimHost) { - this.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) { - var typeDirectivesForFile = JSON.parse(_this.shimHost.getTypeReferenceDirectiveResolutionsForFile(containingFile)); - return ts.map(typeDirectiveNames, function (name) { return ts.getProperty(typeDirectivesForFile, name); }); + return list; + }; + NodeObject.prototype.createChildren = function (sourceFile) { + var _this = this; + var children; + if (this.kind >= 140) { + ts.scanner.setText((sourceFile || this.getSourceFile()).text); + children = []; + var pos_3 = this.pos; + var useJSDocScanner_1 = this.kind >= 273 && this.kind <= 285; + var processNode = function (node) { + var isJSDocTagNode = ts.isJSDocTag(node); + if (!isJSDocTagNode && pos_3 < node.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos, useJSDocScanner_1); + } + children.push(node); + if (!isJSDocTagNode) { + pos_3 = node.end; + } }; + var processNodes = function (nodes) { + if (pos_3 < nodes.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos, useJSDocScanner_1); + } + children.push(_this.createSyntaxList(nodes)); + pos_3 = nodes.end; + }; + if (this.jsDocComments) { + for (var _i = 0, _a = this.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + processNode(jsDocComment); + } + } + pos_3 = this.pos; + ts.forEachChild(this, processNode, processNodes); + if (pos_3 < this.end) { + this.addSyntheticNodes(children, pos_3, this.end); + } + ts.scanner.setText(undefined); } - } - LanguageServiceShimHostAdapter.prototype.log = function (s) { - if (this.loggingEnabled) { - this.shimHost.log(s); - } + this._children = children || ts.emptyArray; }; - LanguageServiceShimHostAdapter.prototype.trace = function (s) { - if (this.tracingEnabled) { - this.shimHost.trace(s); - } + NodeObject.prototype.getChildCount = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children.length; }; - LanguageServiceShimHostAdapter.prototype.error = function (s) { - this.shimHost.error(s); + NodeObject.prototype.getChildAt = function (index, sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children[index]; }; - LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { - if (!this.shimHost.getProjectVersion) { + NodeObject.prototype.getChildren = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children; + }; + NodeObject.prototype.getFirstToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + if (!children.length) { return undefined; } - return this.shimHost.getProjectVersion(); + var child = children[0]; + return child.kind < 140 ? child : child.getFirstToken(sourceFile); }; - LanguageServiceShimHostAdapter.prototype.getTypeRootsVersion = function () { - if (!this.shimHost.getTypeRootsVersion) { - return 0; + NodeObject.prototype.getLastToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + var child = ts.lastOrUndefined(children); + if (!child) { + return undefined; } - return this.shimHost.getTypeRootsVersion(); + return child.kind < 140 ? child : child.getLastToken(sourceFile); }; - LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { - return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + return NodeObject; + }()); + var TokenOrIdentifierObject = (function () { + function TokenOrIdentifierObject(pos, end) { + this.pos = pos; + this.end = end; + this.flags = 0; + this.parent = undefined; + } + TokenOrIdentifierObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); }; - LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { - var settingsJson = this.shimHost.getCompilationSettings(); - if (settingsJson == null || settingsJson == "") { - throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); - } - return JSON.parse(settingsJson); + TokenOrIdentifierObject.prototype.getStart = function (sourceFile, includeJsDocComment) { + return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); }; - LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { - var encoded = this.shimHost.getScriptFileNames(); - return this.files = JSON.parse(encoded); + TokenOrIdentifierObject.prototype.getFullStart = function () { + return this.pos; }; - LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { - var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); - return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + TokenOrIdentifierObject.prototype.getEnd = function () { + return this.end; }; - LanguageServiceShimHostAdapter.prototype.getScriptKind = function (fileName) { - if ("getScriptKind" in this.shimHost) { - return this.shimHost.getScriptKind(fileName); - } - else { - return 0; - } + TokenOrIdentifierObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); }; - LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { - return this.shimHost.getScriptVersion(fileName); + TokenOrIdentifierObject.prototype.getFullWidth = function () { + return this.end - this.pos; }; - LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { - var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); - if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { - return null; - } - try { - return JSON.parse(diagnosticMessagesJson); - } - catch (e) { - this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); - return null; - } + TokenOrIdentifierObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; }; - LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { - var hostCancellationToken = this.shimHost.getCancellationToken(); - return new ThrottledCancellationToken(hostCancellationToken); + TokenOrIdentifierObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); }; - LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { - return this.shimHost.getCurrentDirectory(); + TokenOrIdentifierObject.prototype.getText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); }; - LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) { - return JSON.parse(this.shimHost.getDirectories(path)); + TokenOrIdentifierObject.prototype.getChildCount = function () { + return 0; }; - LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { - return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + TokenOrIdentifierObject.prototype.getChildAt = function () { + return undefined; }; - LanguageServiceShimHostAdapter.prototype.readDirectory = function (path, extensions, exclude, include, depth) { - var pattern = ts.getFileMatcherPatterns(path, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); - return JSON.parse(this.shimHost.readDirectory(path, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + TokenOrIdentifierObject.prototype.getChildren = function () { + return ts.emptyArray; }; - LanguageServiceShimHostAdapter.prototype.readFile = function (path, encoding) { - return this.shimHost.readFile(path, encoding); + TokenOrIdentifierObject.prototype.getFirstToken = function () { + return undefined; }; - LanguageServiceShimHostAdapter.prototype.fileExists = function (path) { - return this.shimHost.fileExists(path); + TokenOrIdentifierObject.prototype.getLastToken = function () { + return undefined; }; - return LanguageServiceShimHostAdapter; + return TokenOrIdentifierObject; }()); - ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; - var ThrottledCancellationToken = (function () { - function ThrottledCancellationToken(hostCancellationToken) { - this.hostCancellationToken = hostCancellationToken; - this.lastCancellationCheckTime = 0; + var SymbolObject = (function () { + function SymbolObject(flags, name) { + this.flags = flags; + this.name = name; } - ThrottledCancellationToken.prototype.isCancellationRequested = function () { - var time = ts.timestamp(); - var duration = Math.abs(time - this.lastCancellationCheckTime); - if (duration > 10) { - this.lastCancellationCheckTime = time; - return this.hostCancellationToken.isCancellationRequested(); + SymbolObject.prototype.getFlags = function () { + return this.flags; + }; + SymbolObject.prototype.getName = function () { + return this.name; + }; + SymbolObject.prototype.getDeclarations = function () { + return this.declarations; + }; + SymbolObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = ts.JsDoc.getJsDocCommentsFromDeclarations(this.declarations); } - return false; + return this.documentationComment; }; - return ThrottledCancellationToken; + return SymbolObject; }()); - var CoreServicesShimHostAdapter = (function () { - function CoreServicesShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - this.useCaseSensitiveFileNames = this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - if ("realpath" in this.shimHost) { - this.realpath = function (path) { return _this.shimHost.realpath(path); }; - } + var TokenObject = (function (_super) { + __extends(TokenObject, _super); + function TokenObject(kind, pos, end) { + var _this = _super.call(this, pos, end) || this; + _this.kind = kind; + return _this; } - CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extensions, exclude, include, depth) { - try { - var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); - return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); - } - catch (e) { - var results = []; - for (var _i = 0, extensions_2 = extensions; _i < extensions_2.length; _i++) { - var extension = extensions_2[_i]; - for (var _a = 0, _b = this.readDirectoryFallback(rootDir, extension, exclude); _a < _b.length; _a++) { - var file = _b[_a]; - if (!ts.contains(results, file)) { - results.push(file); - } - } - } - return results; - } + return TokenObject; + }(TokenOrIdentifierObject)); + var IdentifierObject = (function (_super) { + __extends(IdentifierObject, _super); + function IdentifierObject(_kind, pos, end) { + return _super.call(this, pos, end) || this; + } + return IdentifierObject; + }(TokenOrIdentifierObject)); + IdentifierObject.prototype.kind = 70; + var TypeObject = (function () { + function TypeObject(checker, flags) { + this.checker = checker; + this.flags = flags; + } + TypeObject.prototype.getFlags = function () { + return this.flags; }; - CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { - return this.shimHost.fileExists(fileName); + TypeObject.prototype.getSymbol = function () { + return this.symbol; }; - CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { - return this.shimHost.readFile(fileName); + TypeObject.prototype.getProperties = function () { + return this.checker.getPropertiesOfType(this); }; - CoreServicesShimHostAdapter.prototype.readDirectoryFallback = function (rootDir, extension, exclude) { - return JSON.parse(this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude))); + TypeObject.prototype.getProperty = function (propertyName) { + return this.checker.getPropertyOfType(this, propertyName); }; - CoreServicesShimHostAdapter.prototype.getDirectories = function (path) { - return JSON.parse(this.shimHost.getDirectories(path)); + TypeObject.prototype.getApparentProperties = function () { + return this.checker.getAugmentedPropertiesOfType(this); }; - return CoreServicesShimHostAdapter; + TypeObject.prototype.getCallSignatures = function () { + return this.checker.getSignaturesOfType(this, 0); + }; + TypeObject.prototype.getConstructSignatures = function () { + return this.checker.getSignaturesOfType(this, 1); + }; + TypeObject.prototype.getStringIndexType = function () { + return this.checker.getIndexTypeOfType(this, 0); + }; + TypeObject.prototype.getNumberIndexType = function () { + return this.checker.getIndexTypeOfType(this, 1); + }; + TypeObject.prototype.getBaseTypes = function () { + return this.flags & 32768 && this.objectFlags & (1 | 2) + ? this.checker.getBaseTypes(this) + : undefined; + }; + TypeObject.prototype.getNonNullableType = function () { + return this.checker.getNonNullableType(this); + }; + return TypeObject; }()); - ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; - function simpleForwardCall(logger, actionDescription, action, logPerformance) { - var start; - if (logPerformance) { - logger.log(actionDescription); - start = ts.timestamp(); + var SignatureObject = (function () { + function SignatureObject(checker) { + this.checker = checker; } - var result = action(); - if (logPerformance) { - var end = ts.timestamp(); - logger.log(actionDescription + " completed in " + (end - start) + " msec"); - if (typeof result === "string") { - var str = result; - if (str.length > 128) { - str = str.substring(0, 128) + "..."; + SignatureObject.prototype.getDeclaration = function () { + return this.declaration; + }; + SignatureObject.prototype.getTypeParameters = function () { + return this.typeParameters; + }; + SignatureObject.prototype.getParameters = function () { + return this.parameters; + }; + SignatureObject.prototype.getReturnType = function () { + return this.checker.getReturnTypeOfSignature(this); + }; + SignatureObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = this.declaration ? ts.JsDoc.getJsDocCommentsFromDeclarations([this.declaration]) : []; + } + return this.documentationComment; + }; + return SignatureObject; + }()); + var SourceFileObject = (function (_super) { + __extends(SourceFileObject, _super); + function SourceFileObject(kind, pos, end) { + return _super.call(this, kind, pos, end) || this; + } + SourceFileObject.prototype.update = function (newText, textChangeRange) { + return ts.updateSourceFile(this, newText, textChangeRange); + }; + SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { + return ts.getLineAndCharacterOfPosition(this, position); + }; + SourceFileObject.prototype.getLineStarts = function () { + return ts.getLineStarts(this); + }; + SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { + return ts.getPositionOfLineAndCharacter(this, line, character); + }; + SourceFileObject.prototype.getNamedDeclarations = function () { + if (!this.namedDeclarations) { + this.namedDeclarations = this.computeNamedDeclarations(); + } + return this.namedDeclarations; + }; + SourceFileObject.prototype.computeNamedDeclarations = function () { + var result = ts.createMap(); + ts.forEachChild(this, visit); + return result; + function addDeclaration(declaration) { + var name = getDeclarationName(declaration); + if (name) { + ts.multiMapAdd(result, name, declaration); + } + } + function getDeclarations(name) { + return result[name] || (result[name] = []); + } + function getDeclarationName(declaration) { + if (declaration.name) { + var result_6 = getTextOfIdentifierOrLiteral(declaration.name); + if (result_6 !== undefined) { + return result_6; + } + if (declaration.name.kind === 141) { + var expr = declaration.name.expression; + if (expr.kind === 173) { + return expr.name.text; + } + return getTextOfIdentifierOrLiteral(expr); + } + } + return undefined; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 70 || + node.kind === 9 || + node.kind === 8) { + return node.text; + } + } + return undefined; + } + function visit(node) { + switch (node.kind) { + case 221: + case 180: + case 148: + case 147: + var functionDeclaration = node; + var declarationName = getDeclarationName(functionDeclaration); + if (declarationName) { + var declarations = getDeclarations(declarationName); + var lastDeclaration = ts.lastOrUndefined(declarations); + if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { + if (functionDeclaration.body && !lastDeclaration.body) { + declarations[declarations.length - 1] = functionDeclaration; + } + } + else { + declarations.push(functionDeclaration); + } + ts.forEachChild(node, visit); + } + break; + case 222: + case 193: + case 223: + case 224: + case 225: + case 226: + case 230: + case 239: + case 235: + case 230: + case 232: + case 233: + case 150: + case 151: + case 160: + addDeclaration(node); + ts.forEachChild(node, visit); + break; + case 143: + if (!ts.hasModifier(node, 92)) { + break; + } + case 219: + case 170: { + var decl = node; + if (ts.isBindingPattern(decl.name)) { + ts.forEachChild(decl.name, visit); + break; + } + if (decl.initializer) + visit(decl.initializer); + } + case 255: + case 146: + case 145: + addDeclaration(node); + break; + case 237: + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 231: + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + addDeclaration(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 233) { + addDeclaration(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + default: + ts.forEachChild(node, visit); } - logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); } - } - return result; - } - function forwardJSONCall(logger, actionDescription, action, logPerformance) { - return forwardCall(logger, actionDescription, true, action, logPerformance); + }; + return SourceFileObject; + }(NodeObject)); + function getServicesObjectAllocator() { + return { + getNodeConstructor: function () { return NodeObject; }, + getTokenConstructor: function () { return TokenObject; }, + getIdentifierConstructor: function () { return IdentifierObject; }, + getSourceFileConstructor: function () { return SourceFileObject; }, + getSymbolConstructor: function () { return SymbolObject; }, + getTypeConstructor: function () { return TypeObject; }, + getSignatureConstructor: function () { return SignatureObject; }, + }; } - function forwardCall(logger, actionDescription, returnJson, action, logPerformance) { - try { - var result = simpleForwardCall(logger, actionDescription, action, logPerformance); - return returnJson ? JSON.stringify({ result: result }) : result; + function toEditorSettings(optionsAsMap) { + var allPropertiesAreCamelCased = true; + for (var key in optionsAsMap) { + if (ts.hasProperty(optionsAsMap, key) && !isCamelCase(key)) { + allPropertiesAreCamelCased = false; + break; + } } - catch (err) { - if (err instanceof ts.OperationCanceledException) { - return JSON.stringify({ canceled: true }); + if (allPropertiesAreCamelCased) { + return optionsAsMap; + } + var settings = {}; + for (var key in optionsAsMap) { + if (ts.hasProperty(optionsAsMap, key)) { + var newKey = isCamelCase(key) ? key : key.charAt(0).toLowerCase() + key.substr(1); + settings[newKey] = optionsAsMap[key]; } - logInternalError(logger, err); - err.description = actionDescription; - return JSON.stringify({ error: err }); } + return settings; } - var ShimBase = (function () { - function ShimBase(factory) { - this.factory = factory; - factory.registerShim(this); + ts.toEditorSettings = toEditorSettings; + function isCamelCase(s) { + return !s.length || s.charAt(0) === s.charAt(0).toLowerCase(); + } + function displayPartsToString(displayParts) { + if (displayParts) { + return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); } - ShimBase.prototype.dispose = function (_dummy) { - this.factory.unregisterShim(this); - }; - return ShimBase; - }()); - function realizeDiagnostics(diagnostics, newLine) { - return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + return ""; } - ts.realizeDiagnostics = realizeDiagnostics; - function realizeDiagnostic(diagnostic, newLine) { + ts.displayPartsToString = displayPartsToString; + function getDefaultCompilerOptions() { return { - message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), - start: diagnostic.start, - length: diagnostic.length, - category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), - code: diagnostic.code + target: 1, + jsx: 1 }; } - var LanguageServiceShimObject = (function (_super) { - __extends(LanguageServiceShimObject, _super); - function LanguageServiceShimObject(factory, host, languageService) { - var _this = _super.call(this, factory) || this; - _this.host = host; - _this.languageService = languageService; - _this.logPerformance = false; - _this.logger = _this.host; - return _this; + ts.getDefaultCompilerOptions = getDefaultCompilerOptions; + function getSupportedCodeFixes() { + return ts.codefix.getSupportedErrorCodes(); + } + ts.getSupportedCodeFixes = getSupportedCodeFixes; + var HostCache = (function () { + function HostCache(host, getCanonicalFileName) { + this.host = host; + this.getCanonicalFileName = getCanonicalFileName; + this.currentDirectory = host.getCurrentDirectory(); + this.fileNameToEntry = ts.createFileMap(); + var rootFileNames = host.getScriptFileNames(); + for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { + var fileName = rootFileNames_1[_i]; + this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); + } + this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); } - LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + HostCache.prototype.compilationSettings = function () { + return this._compilationSettings; }; - LanguageServiceShimObject.prototype.dispose = function (dummy) { - this.logger.log("dispose()"); - this.languageService.dispose(); - this.languageService = null; - if (debugObjectHost && debugObjectHost.CollectGarbage) { - debugObjectHost.CollectGarbage(); - this.logger.log("CollectGarbage()"); + HostCache.prototype.createEntry = function (fileName, path) { + var entry; + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (scriptSnapshot) { + entry = { + hostFileName: fileName, + version: this.host.getScriptVersion(fileName), + scriptSnapshot: scriptSnapshot, + scriptKind: ts.getScriptKind(fileName, this.host) + }; } - this.logger = null; - _super.prototype.dispose.call(this, dummy); - }; - LanguageServiceShimObject.prototype.refresh = function (throwOnError) { - this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); - }; - LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { - var _this = this; - this.forwardJSONCall("cleanupSemanticCache()", function () { - _this.languageService.cleanupSemanticCache(); - return null; - }); - }; - LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { - var newLine = ts.getNewLineOrDefaultFromHost(this.host); - return ts.realizeDiagnostics(diagnostics, newLine); - }; - LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { - var _this = this; - return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { - var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { - var _this = this; - return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); - }; - LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getImplementationAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getImplementationAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getImplementationAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { - var _this = this; - return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); - }; - LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.isValidBraceCompletionAtPosition = function (fileName, position, openingBrace) { - var _this = this; - return this.forwardJSONCall("isValidBraceCompletionAtPosition('" + fileName + "', " + position + ", " + openingBrace + ")", function () { return _this.languageService.isValidBraceCompletionAtPosition(fileName, position, openingBrace); }); - }; - LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options) { - var _this = this; - return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { - var _this = this; - return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { - var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); - var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); - return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); - }); + this.fileNameToEntry.set(path, entry); + return entry; }; - LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); + HostCache.prototype.getEntry = function (path) { + return this.fileNameToEntry.get(path); }; - LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { - var _this = this; - return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); + HostCache.prototype.contains = function (path) { + return this.fileNameToEntry.contains(path); }; - LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); - }); + HostCache.prototype.getOrCreateEntry = function (fileName) { + var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); + return this.getOrCreateEntryByPath(fileName, path); }; - LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); - }); + HostCache.prototype.getOrCreateEntryByPath = function (fileName, path) { + return this.contains(path) + ? this.getEntry(path) + : this.createEntry(fileName, path); }; - LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + HostCache.prototype.getRootFileNames = function () { + var fileNames = []; + this.fileNameToEntry.forEachValue(function (_path, value) { + if (value) { + fileNames.push(value.hostFileName); + } }); + return fileNames; }; - LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount, fileName) { - var _this = this; - return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ", " + fileName + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount, fileName); }); - }; - LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { - var _this = this; - return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); - }; - LanguageServiceShimObject.prototype.getNavigationTree = function (fileName) { - var _this = this; - return this.forwardJSONCall("getNavigationTree('" + fileName + "')", function () { return _this.languageService.getNavigationTree(fileName); }); + HostCache.prototype.getVersion = function (path) { + var file = this.getEntry(path); + return file && file.version; }; - LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { - var _this = this; - return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); + HostCache.prototype.getScriptSnapshot = function (path) { + var file = this.getEntry(path); + return file && file.scriptSnapshot; }; - LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { - var _this = this; - return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + return HostCache; + }()); + var SyntaxTreeCache = (function () { + function SyntaxTreeCache(host) { + this.host = host; + } + SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (!scriptSnapshot) { + throw new Error("Could not find file: '" + fileName + "'."); + } + var scriptKind = ts.getScriptKind(fileName, this.host); + var version = this.host.getScriptVersion(fileName); + var sourceFile; + if (this.currentFileName !== fileName) { + sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 4, version, true, scriptKind); + } + else if (this.currentFileVersion !== version) { + var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); + sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); + } + if (sourceFile) { + this.currentFileVersion = version; + this.currentFileName = fileName; + this.currentFileScriptSnapshot = scriptSnapshot; + this.currentSourceFile = sourceFile; + } + return this.currentSourceFile; }; - LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { - var _this = this; - return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); + return SyntaxTreeCache; + }()); + function setSourceFileFields(sourceFile, scriptSnapshot, version) { + sourceFile.version = version; + sourceFile.scriptSnapshot = scriptSnapshot; + } + function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents, scriptKind) { + var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); + var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents, scriptKind); + setSourceFileFields(sourceFile, scriptSnapshot, version); + return sourceFile; + } + ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; + ts.disableIncrementalParsing = false; + function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { + if (textChangeRange) { + if (version !== sourceFile.version) { + if (!ts.disableIncrementalParsing) { + var newText = void 0; + var prefix = textChangeRange.span.start !== 0 + ? sourceFile.text.substr(0, textChangeRange.span.start) + : ""; + var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length + ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) + : ""; + if (textChangeRange.newLength === 0) { + newText = prefix && suffix ? prefix + suffix : prefix || suffix; + } + else { + var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); + newText = prefix && suffix + ? prefix + changedText + suffix + : prefix + ? (prefix + changedText) + : (changedText + suffix); + } + var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + setSourceFileFields(newSourceFile, scriptSnapshot, version); + newSourceFile.nameTable = undefined; + if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { + if (sourceFile.scriptSnapshot.dispose) { + sourceFile.scriptSnapshot.dispose(); + } + sourceFile.scriptSnapshot = undefined; + } + return newSourceFile; + } + } + } + return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, true, sourceFile.scriptKind); + } + ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; + var CancellationTokenObject = (function () { + function CancellationTokenObject(cancellationToken) { + this.cancellationToken = cancellationToken; + } + CancellationTokenObject.prototype.isCancellationRequested = function () { + return this.cancellationToken && this.cancellationToken.isCancellationRequested(); }; - LanguageServiceShimObject.prototype.getEmitOutputObject = function (fileName) { - var _this = this; - return forwardCall(this.logger, "getEmitOutput('" + fileName + "')", false, function () { return _this.languageService.getEmitOutput(fileName); }, this.logPerformance); + CancellationTokenObject.prototype.throwIfCancellationRequested = function () { + if (this.isCancellationRequested()) { + throw new ts.OperationCanceledException(); + } }; - return LanguageServiceShimObject; - }(ShimBase)); - function convertClassifications(classifications) { - return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; - } - var ClassifierShimObject = (function (_super) { - __extends(ClassifierShimObject, _super); - function ClassifierShimObject(factory, logger) { - var _this = _super.call(this, factory) || this; - _this.logger = logger; - _this.logPerformance = false; - _this.classifier = ts.createClassifier(); - return _this; + return CancellationTokenObject; + }()); + function createLanguageService(host, documentRegistry) { + if (documentRegistry === void 0) { documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } + var syntaxTreeCache = new SyntaxTreeCache(host); + var ruleProvider; + var program; + var lastProjectVersion; + var lastTypesRootVersion = 0; + var useCaseSensitivefileNames = host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(); + var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); + var currentDirectory = host.getCurrentDirectory(); + if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { + ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); + } + function log(message) { + if (host.log) { + host.log(message); + } + } + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); + function getValidSourceFile(fileName) { + var sourceFile = program.getSourceFile(fileName); + if (!sourceFile) { + throw new Error("Could not find file: '" + fileName + "'."); + } + return sourceFile; + } + function getRuleProvider(options) { + if (!ruleProvider) { + ruleProvider = new ts.formatting.RulesProvider(); + } + ruleProvider.ensureUpToDate(options); + return ruleProvider; + } + function synchronizeHostData() { + if (host.getProjectVersion) { + var hostProjectVersion = host.getProjectVersion(); + if (hostProjectVersion) { + if (lastProjectVersion === hostProjectVersion) { + return; + } + lastProjectVersion = hostProjectVersion; + } + } + var typeRootsVersion = host.getTypeRootsVersion ? host.getTypeRootsVersion() : 0; + if (lastTypesRootVersion !== typeRootsVersion) { + log("TypeRoots version has changed; provide new program"); + program = undefined; + lastTypesRootVersion = typeRootsVersion; + } + var hostCache = new HostCache(host, getCanonicalFileName); + if (programUpToDate()) { + return; + } + var oldSettings = program && program.getCompilerOptions(); + var newSettings = hostCache.compilationSettings(); + var shouldCreateNewSourceFiles = oldSettings && + (oldSettings.target !== newSettings.target || + oldSettings.module !== newSettings.module || + oldSettings.moduleResolution !== newSettings.moduleResolution || + oldSettings.noResolve !== newSettings.noResolve || + oldSettings.jsx !== newSettings.jsx || + oldSettings.allowJs !== newSettings.allowJs || + oldSettings.disableSizeLimit !== oldSettings.disableSizeLimit || + oldSettings.baseUrl !== newSettings.baseUrl || + !ts.equalOwnProperties(oldSettings.paths, newSettings.paths)); + var compilerHost = { + getSourceFile: getOrCreateSourceFile, + getSourceFileByPath: getOrCreateSourceFileByPath, + getCancellationToken: function () { return cancellationToken; }, + getCanonicalFileName: getCanonicalFileName, + useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, + getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, + getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, + writeFile: ts.noop, + getCurrentDirectory: function () { return currentDirectory; }, + fileExists: function (fileName) { + return hostCache.getOrCreateEntry(fileName) !== undefined; + }, + readFile: function (fileName) { + var entry = hostCache.getOrCreateEntry(fileName); + return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); + }, + directoryExists: function (directoryName) { + return ts.directoryProbablyExists(directoryName, host); + }, + getDirectories: function (path) { + return host.getDirectories ? host.getDirectories(path) : []; + } + }; + if (host.trace) { + compilerHost.trace = function (message) { return host.trace(message); }; + } + if (host.resolveModuleNames) { + compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; + } + if (host.resolveTypeReferenceDirectives) { + compilerHost.resolveTypeReferenceDirectives = function (typeReferenceDirectiveNames, containingFile) { + return host.resolveTypeReferenceDirectives(typeReferenceDirectiveNames, containingFile); + }; + } + var documentRegistryBucketKey = documentRegistry.getKeyForCompilationSettings(newSettings); + var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); + if (program) { + var oldSourceFiles = program.getSourceFiles(); + var oldSettingsKey = documentRegistry.getKeyForCompilationSettings(oldSettings); + for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { + var oldSourceFile = oldSourceFiles_1[_i]; + if (!newProgram.getSourceFile(oldSourceFile.fileName) || shouldCreateNewSourceFiles) { + documentRegistry.releaseDocumentWithKey(oldSourceFile.path, oldSettingsKey); + } + } + } + hostCache = undefined; + program = newProgram; + program.getTypeChecker(); + return; + function getOrCreateSourceFile(fileName) { + return getOrCreateSourceFileByPath(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getOrCreateSourceFileByPath(fileName, path) { + ts.Debug.assert(hostCache !== undefined); + var hostFileInformation = hostCache.getOrCreateEntryByPath(fileName, path); + if (!hostFileInformation) { + return undefined; + } + if (!shouldCreateNewSourceFiles) { + var oldSourceFile = program && program.getSourceFileByPath(path); + if (oldSourceFile) { + ts.Debug.assert(hostFileInformation.scriptKind === oldSourceFile.scriptKind, "Registered script kind (" + oldSourceFile.scriptKind + ") should match new script kind (" + hostFileInformation.scriptKind + ") for file: " + path); + return documentRegistry.updateDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); + } + } + return documentRegistry.acquireDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); + } + function sourceFileUpToDate(sourceFile) { + if (!sourceFile) { + return false; + } + var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); + return sourceFile.version === hostCache.getVersion(path); + } + function programUpToDate() { + if (!program) { + return false; + } + var rootFileNames = hostCache.getRootFileNames(); + if (program.getSourceFiles().length !== rootFileNames.length) { + return false; + } + for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { + var fileName = rootFileNames_2[_i]; + if (!sourceFileUpToDate(program.getSourceFile(fileName))) { + return false; + } + } + return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); + } } - ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { - var _this = this; - return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); - }; - ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { - var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); - var result = ""; - for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { - var item = _a[_i]; - result += item.length + "\n"; - result += item.classification + "\n"; + function getProgram() { + synchronizeHostData(); + return program; + } + function cleanupSemanticCache() { + } + function dispose() { + if (program) { + ts.forEach(program.getSourceFiles(), function (f) { + return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); + }); } - result += classification.finalLexState; - return result; - }; - return ClassifierShimObject; - }(ShimBase)); - var CoreServicesShimObject = (function (_super) { - __extends(CoreServicesShimObject, _super); - function CoreServicesShimObject(factory, logger, host) { - var _this = _super.call(this, factory) || this; - _this.logger = logger; - _this.host = host; - _this.logPerformance = false; - return _this; } - CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); - return { - resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, - failedLookupLocations: result.failedLookupLocations - }; - }); - }; - CoreServicesShimObject.prototype.resolveTypeReferenceDirective = function (fileName, typeReferenceDirective, compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("resolveTypeReferenceDirective(" + fileName + ")", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - var result = ts.resolveTypeReferenceDirective(typeReferenceDirective, ts.normalizeSlashes(fileName), compilerOptions, _this.host); - return { - resolvedFileName: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.resolvedFileName : undefined, - primary: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.primary : true, - failedLookupLocations: result.failedLookupLocations - }; - }); - }; - CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { - var _this = this; - return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { - var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), true, true); - return { - referencedFiles: _this.convertFileReferences(result.referencedFiles), - importedFiles: _this.convertFileReferences(result.importedFiles), - ambientExternalModules: result.ambientExternalModules, - isLibFile: result.isLibFile, - typeReferenceDirectives: _this.convertFileReferences(result.typeReferenceDirectives) - }; - }); - }; - CoreServicesShimObject.prototype.getAutomaticTypeDirectiveNames = function (compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("getAutomaticTypeDirectiveNames('" + compilerOptionsJson + "')", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - return ts.getAutomaticTypeDirectiveNames(compilerOptions, _this.host); - }); - }; - CoreServicesShimObject.prototype.convertFileReferences = function (refs) { - if (!refs) { + function getSyntacticDiagnostics(fileName) { + synchronizeHostData(); + return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); + } + function getSemanticDiagnostics(fileName) { + synchronizeHostData(); + var targetSourceFile = getValidSourceFile(fileName); + var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); + if (!program.getCompilerOptions().declaration) { + return semanticDiagnostics; + } + var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); + return ts.concatenate(semanticDiagnostics, declarationDiagnostics); + } + function getCompilerOptionsDiagnostics() { + synchronizeHostData(); + return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); + } + function getCompletionsAtPosition(fileName, position) { + synchronizeHostData(); + return ts.Completions.getCompletionsAtPosition(host, program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position); + } + function getCompletionEntryDetails(fileName, position, entryName) { + synchronizeHostData(); + return ts.Completions.getCompletionEntryDetails(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); + } + function getCompletionEntrySymbol(fileName, position, entryName) { + synchronizeHostData(); + return ts.Completions.getCompletionEntrySymbol(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); + } + function getQuickInfoAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { return undefined; } - var result = []; - for (var _i = 0, refs_2 = refs; _i < refs_2.length; _i++) { - var ref = refs_2[_i]; - result.push({ - path: ts.normalizeSlashes(ref.fileName), - position: ref.pos, - length: ref.end - ref.pos - }); + if (ts.isLabelName(node)) { + return undefined; } - return result; - }; - CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { - var _this = this; - return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { - var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); - var result = ts.parseConfigFileTextToJson(fileName, text); - if (result.error) { - return { - options: {}, - typingOptions: {}, - files: [], - raw: {}, - errors: [realizeDiagnostic(result.error, "\r\n")] - }; + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol || typeChecker.isUnknownSymbol(symbol)) { + switch (node.kind) { + case 70: + case 173: + case 140: + case 98: + case 166: + case 96: + var type = typeChecker.getTypeAtLocation(node); + if (type) { + return { + kind: ts.ScriptElementKind.unknown, + kindModifiers: ts.ScriptElementKindModifier.none, + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: ts.typeToDisplayParts(typeChecker, type, ts.getContainerNode(node)), + documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined + }; + } } - var normalizedFileName = ts.normalizeSlashes(fileName); - var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName); - return { - options: configFile.options, - typingOptions: configFile.typingOptions, - files: configFile.fileNames, - raw: configFile.raw, - errors: realizeDiagnostics(configFile.errors, "\r\n") - }; - }); - }; - CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { - return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); - }; - CoreServicesShimObject.prototype.discoverTypings = function (discoverTypingsJson) { - var _this = this; - var getCanonicalFileName = ts.createGetCanonicalFileName(false); - return this.forwardJSONCall("discoverTypings()", function () { - var info = JSON.parse(discoverTypingsJson); - return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions); - }); - }; - return CoreServicesShimObject; - }(ShimBase)); - var TypeScriptServicesFactory = (function () { - function TypeScriptServicesFactory() { - this._shims = []; + return undefined; + } + var displayPartsDocumentationsAndKind = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, ts.getContainerNode(node), node); + return { + kind: displayPartsDocumentationsAndKind.symbolKind, + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: displayPartsDocumentationsAndKind.displayParts, + documentation: displayPartsDocumentationsAndKind.documentation + }; } - TypeScriptServicesFactory.prototype.getServicesVersion = function () { - return ts.servicesVersion; - }; - TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { - try { - if (this.documentRegistry === undefined) { - this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); + function getDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + return ts.GoToDefinition.getDefinitionAtPosition(program, getValidSourceFile(fileName), position); + } + function getImplementationAtPosition(fileName, position) { + synchronizeHostData(); + return ts.GoToImplementation.getImplementationAtPosition(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), ts.getTouchingPropertyName(getValidSourceFile(fileName), position)); + } + function getTypeDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + return ts.GoToDefinition.getTypeDefinitionAtPosition(program.getTypeChecker(), getValidSourceFile(fileName), position); + } + function getOccurrencesAtPosition(fileName, position) { + var results = getOccurrencesAtPositionCore(fileName, position); + if (results) { + var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); + results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); + } + return results; + } + function getDocumentHighlights(fileName, position, filesToSearch) { + synchronizeHostData(); + var sourceFilesToSearch = ts.map(filesToSearch, function (f) { return program.getSourceFile(f); }); + var sourceFile = getValidSourceFile(fileName); + return ts.DocumentHighlights.getDocumentHighlights(program.getTypeChecker(), cancellationToken, sourceFile, position, sourceFilesToSearch); + } + function getOccurrencesAtPositionCore(fileName, position) { + synchronizeHostData(); + return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); + function convertDocumentHighlights(documentHighlights) { + if (!documentHighlights) { + return undefined; } - var hostAdapter = new LanguageServiceShimHostAdapter(host); - var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); - return new LanguageServiceShimObject(this, host, languageService); + var result = []; + for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { + var entry = documentHighlights_1[_i]; + for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { + var highlightSpan = _b[_a]; + result.push({ + fileName: entry.fileName, + textSpan: highlightSpan.textSpan, + isWriteAccess: highlightSpan.kind === ts.HighlightSpanKind.writtenReference, + isDefinition: false + }); + } + } + return result; } - catch (err) { - logInternalError(host, err); - throw err; + } + function findRenameLocations(fileName, position, findInStrings, findInComments) { + var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); + return ts.FindAllReferences.convertReferences(referencedSymbols); + } + function getReferencesAtPosition(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, false, false); + return ts.FindAllReferences.convertReferences(referencedSymbols); + } + function findReferences(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, false, false); + return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); + } + function findReferencedSymbols(fileName, position, findInStrings, findInComments) { + synchronizeHostData(); + return ts.FindAllReferences.findReferencedSymbols(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position, findInStrings, findInComments); + } + function getNavigateToItems(searchValue, maxResultCount, fileName, excludeDtsFiles) { + synchronizeHostData(); + var sourceFiles = fileName ? [getValidSourceFile(fileName)] : program.getSourceFiles(); + return ts.NavigateTo.getNavigateToItems(sourceFiles, program.getTypeChecker(), cancellationToken, searchValue, maxResultCount, excludeDtsFiles); + } + function getEmitOutput(fileName, emitOnlyDtsFiles) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var outputFiles = []; + function writeFile(fileName, data, writeByteOrderMark) { + outputFiles.push({ + name: fileName, + writeByteOrderMark: writeByteOrderMark, + text: data + }); } - }; - TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { - try { - return new ClassifierShimObject(this, logger); + var emitOutput = program.emit(sourceFile, writeFile, cancellationToken, emitOnlyDtsFiles); + return { + outputFiles: outputFiles, + emitSkipped: emitOutput.emitSkipped + }; + } + function getSignatureHelpItems(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); + } + function getNonBoundSourceFile(fileName) { + return syntaxTreeCache.getCurrentSourceFile(fileName); + } + function getSourceFile(fileName) { + return getNonBoundSourceFile(fileName); + } + function getNameOrDottedNameSpan(fileName, startPos, _endPos) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, startPos); + if (node === sourceFile) { + return; } - catch (err) { - logInternalError(logger, err); - throw err; + switch (node.kind) { + case 173: + case 140: + case 9: + case 85: + case 100: + case 94: + case 96: + case 98: + case 166: + case 70: + break; + default: + return; } - }; - TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { - try { - var adapter = new CoreServicesShimHostAdapter(host); - return new CoreServicesShimObject(this, host, adapter); + var nodeForStartPos = node; + while (true) { + if (ts.isRightSideOfPropertyAccess(nodeForStartPos) || ts.isRightSideOfQualifiedName(nodeForStartPos)) { + nodeForStartPos = nodeForStartPos.parent; + } + else if (ts.isNameOfModuleDeclaration(nodeForStartPos)) { + if (nodeForStartPos.parent.parent.kind === 226 && + nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { + nodeForStartPos = nodeForStartPos.parent.parent.name; + } + else { + break; + } + } + else { + break; + } } - catch (err) { - logInternalError(host, err); - throw err; + return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); + } + function getBreakpointStatementAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); + } + function getNavigationBarItems(fileName) { + return ts.NavigationBar.getNavigationBarItems(syntaxTreeCache.getCurrentSourceFile(fileName)); + } + function getNavigationTree(fileName) { + return ts.NavigationBar.getNavigationTree(syntaxTreeCache.getCurrentSourceFile(fileName)); + } + function isTsOrTsxFile(fileName) { + var kind = ts.getScriptKind(fileName, host); + return kind === 3 || kind === 4; + } + function getSemanticClassifications(fileName, span) { + if (!isTsOrTsxFile(fileName)) { + return []; } - }; - TypeScriptServicesFactory.prototype.close = function () { - this._shims = []; - this.documentRegistry = undefined; - }; - TypeScriptServicesFactory.prototype.registerShim = function (shim) { - this._shims.push(shim); - }; - TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { - for (var i = 0, n = this._shims.length; i < n; i++) { - if (this._shims[i] === shim) { - delete this._shims[i]; - return; + synchronizeHostData(); + return ts.getSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); + } + function getEncodedSemanticClassifications(fileName, span) { + if (!isTsOrTsxFile(fileName)) { + return { spans: [], endOfLineState: 0 }; + } + synchronizeHostData(); + return ts.getEncodedSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); + } + function getSyntacticClassifications(fileName, span) { + return ts.getSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); + } + function getEncodedSyntacticClassifications(fileName, span) { + return ts.getEncodedSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); + } + function getOutliningSpans(fileName) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.OutliningElementsCollector.collectElements(sourceFile); + } + function getBraceMatchingAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var result = []; + var token = ts.getTouchingToken(sourceFile, position); + if (token.getStart(sourceFile) === position) { + var matchKind = getMatchingTokenKind(token); + if (matchKind) { + var parentElement = token.parent; + var childNodes = parentElement.getChildren(sourceFile); + for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { + var current = childNodes_1[_i]; + if (current.kind === matchKind) { + var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); + var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); + if (range1.start < range2.start) { + result.push(range1, range2); + } + else { + result.push(range2, range1); + } + break; + } + } } } - throw new Error("Invalid operation"); - }; - return TypeScriptServicesFactory; - }()); - ts.TypeScriptServicesFactory = TypeScriptServicesFactory; - if (typeof module !== "undefined" && module.exports) { - module.exports = ts; - } -})(ts || (ts = {})); -var TypeScript; -(function (TypeScript) { - var Services; - (function (Services) { - Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; - })(Services = TypeScript.Services || (TypeScript.Services = {})); -})(TypeScript || (TypeScript = {})); -var toolsVersion = "2.1"; -var ts; -(function (ts) { - var server; - (function (server) { - (function (LogLevel) { - LogLevel[LogLevel["terse"] = 0] = "terse"; - LogLevel[LogLevel["normal"] = 1] = "normal"; - LogLevel[LogLevel["requestTime"] = 2] = "requestTime"; - LogLevel[LogLevel["verbose"] = 3] = "verbose"; - })(server.LogLevel || (server.LogLevel = {})); - var LogLevel = server.LogLevel; - server.emptyArray = []; - var Msg; - (function (Msg) { - Msg.Err = "Err"; - Msg.Info = "Info"; - Msg.Perf = "Perf"; - })(Msg = server.Msg || (server.Msg = {})); - function getProjectRootPath(project) { - switch (project.projectKind) { - case server.ProjectKind.Configured: - return ts.getDirectoryPath(project.getProjectName()); - case server.ProjectKind.Inferred: - return ""; - case server.ProjectKind.External: - var projectName = ts.normalizeSlashes(project.getProjectName()); - return project.projectService.host.fileExists(projectName) ? ts.getDirectoryPath(projectName) : projectName; + return result; + function getMatchingTokenKind(token) { + switch (token.kind) { + case 16: return 17; + case 18: return 19; + case 20: return 21; + case 26: return 28; + case 17: return 16; + case 19: return 18; + case 21: return 20; + case 28: return 26; + } + return undefined; } } - function createInstallTypingsRequest(project, typingOptions, cachePath) { - return { - projectName: project.getProjectName(), - fileNames: project.getFileNames(), - compilerOptions: project.getCompilerOptions(), - typingOptions: typingOptions, - projectRootPath: getProjectRootPath(project), - cachePath: cachePath, - kind: "discover" - }; + function getIndentationAtPosition(fileName, position, editorOptions) { + var start = ts.timestamp(); + var settings = toEditorSettings(editorOptions); + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + log("getIndentationAtPosition: getCurrentSourceFile: " + (ts.timestamp() - start)); + start = ts.timestamp(); + var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, settings); + log("getIndentationAtPosition: computeIndentation : " + (ts.timestamp() - start)); + return result; } - server.createInstallTypingsRequest = createInstallTypingsRequest; - var Errors; - (function (Errors) { - function ThrowNoProject() { - throw new Error("No Project."); + function getFormattingEditsForRange(fileName, start, end, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var settings = toEditorSettings(options); + return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(settings), settings); + } + function getFormattingEditsForDocument(fileName, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var settings = toEditorSettings(options); + return ts.formatting.formatDocument(sourceFile, getRuleProvider(settings), settings); + } + function getFormattingEditsAfterKeystroke(fileName, position, key, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var settings = toEditorSettings(options); + if (key === "}") { + return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(settings), settings); } - Errors.ThrowNoProject = ThrowNoProject; - function ThrowProjectLanguageServiceDisabled() { - throw new Error("The project's language service is disabled."); + else if (key === ";") { + return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(settings), settings); } - Errors.ThrowProjectLanguageServiceDisabled = ThrowProjectLanguageServiceDisabled; - function ThrowProjectDoesNotContainDocument(fileName, project) { - throw new Error("Project '" + project.getProjectName() + "' does not contain document '" + fileName + "'"); + else if (key === "\n") { + return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(settings), settings); } - Errors.ThrowProjectDoesNotContainDocument = ThrowProjectDoesNotContainDocument; - })(Errors = server.Errors || (server.Errors = {})); - function getDefaultFormatCodeSettings(host) { - return { - indentSize: 4, - tabSize: 4, - newLineCharacter: host.newLine || "\n", - convertTabsToSpaces: true, - indentStyle: ts.IndentStyle.Smart, - insertSpaceAfterCommaDelimiter: true, - insertSpaceAfterSemicolonInForStatements: true, - insertSpaceBeforeAndAfterBinaryOperators: true, - insertSpaceAfterKeywordsInControlFlowStatements: true, - insertSpaceAfterFunctionKeywordForAnonymousFunctions: false, - insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false, - insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false, - insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false, - insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false, - placeOpenBraceOnNewLineForFunctions: false, - placeOpenBraceOnNewLineForControlBlocks: false, - }; + return []; } - server.getDefaultFormatCodeSettings = getDefaultFormatCodeSettings; - function mergeMaps(target, source) { - for (var key in source) { - if (ts.hasProperty(source, key)) { - target[key] = source[key]; + function getCodeFixesAtPosition(fileName, start, end, errorCodes) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var span = { start: start, length: end - start }; + var newLineChar = ts.getNewLineOrDefaultFromHost(host); + var allFixes = []; + ts.forEach(errorCodes, function (error) { + cancellationToken.throwIfCancellationRequested(); + var context = { + errorCode: error, + sourceFile: sourceFile, + span: span, + program: program, + newLineCharacter: newLineChar + }; + var fixes = ts.codefix.getFixes(context); + if (fixes) { + allFixes = allFixes.concat(fixes); } - } + }); + return allFixes; } - server.mergeMaps = mergeMaps; - function removeItemFromSet(items, itemToRemove) { - if (items.length === 0) { - return; + function getDocCommentTemplateAtPosition(fileName, position) { + return ts.JsDoc.getDocCommentTemplateAtPosition(ts.getNewLineOrDefaultFromHost(host), syntaxTreeCache.getCurrentSourceFile(fileName), position); + } + function isValidBraceCompletionAtPosition(fileName, position, openingBrace) { + if (openingBrace === 60) { + return false; } - var index = items.indexOf(itemToRemove); - if (index < 0) { - return; + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position)) { + return false; } - if (index === items.length - 1) { - items.pop(); + if (ts.isInsideJsxElementOrAttribute(sourceFile, position)) { + return openingBrace === 123; } - else { - items[index] = items.pop(); + if (ts.isInTemplateString(sourceFile, position)) { + return false; } + return true; } - server.removeItemFromSet = removeItemFromSet; - function toNormalizedPath(fileName) { - return ts.normalizePath(fileName); - } - server.toNormalizedPath = toNormalizedPath; - function normalizedPathToPath(normalizedPath, currentDirectory, getCanonicalFileName) { - var f = ts.isRootedDiskPath(normalizedPath) ? normalizedPath : ts.getNormalizedAbsolutePath(normalizedPath, currentDirectory); - return getCanonicalFileName(f); - } - server.normalizedPathToPath = normalizedPathToPath; - function asNormalizedPath(fileName) { - return fileName; - } - server.asNormalizedPath = asNormalizedPath; - function createNormalizedPathMap() { - var map = Object.create(null); - return { - get: function (path) { - return map[path]; - }, - set: function (path, value) { - map[path] = value; - }, - contains: function (path) { - return ts.hasProperty(map, path); - }, - remove: function (path) { - delete map[path]; + function getTodoComments(fileName, descriptors) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + cancellationToken.throwIfCancellationRequested(); + var fileContents = sourceFile.text; + var result = []; + if (descriptors.length > 0) { + var regExp = getTodoCommentsRegExp(); + var matchArray = void 0; + while (matchArray = regExp.exec(fileContents)) { + cancellationToken.throwIfCancellationRequested(); + var firstDescriptorCaptureIndex = 3; + ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); + var preamble = matchArray[1]; + var matchPosition = matchArray.index + preamble.length; + var token = ts.getTokenAtPosition(sourceFile, matchPosition); + if (!ts.isInsideComment(sourceFile, token, matchPosition)) { + continue; + } + var descriptor = undefined; + for (var i = 0, n = descriptors.length; i < n; i++) { + if (matchArray[i + firstDescriptorCaptureIndex]) { + descriptor = descriptors[i]; + } + } + ts.Debug.assert(descriptor !== undefined); + if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { + continue; + } + var message = matchArray[2]; + result.push({ + descriptor: descriptor, + message: message, + position: matchPosition + }); } - }; + } + return result; + function escapeRegExp(str) { + return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + } + function getTodoCommentsRegExp() { + var singleLineCommentStart = /(?:\/\/+\s*)/.source; + var multiLineCommentStart = /(?:\/\*+\s*)/.source; + var anyNumberOfSpacesAndAsterisksAtStartOfLine = /(?:^(?:\s|\*)*)/.source; + var preamble = "(" + anyNumberOfSpacesAndAsterisksAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; + var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; + var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; + var messageRemainder = /(?:.*?)/.source; + var messagePortion = "(" + literals + messageRemainder + ")"; + var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; + return new RegExp(regExpString, "gim"); + } + function isLetterOrDigit(char) { + return (char >= 97 && char <= 122) || + (char >= 65 && char <= 90) || + (char >= 48 && char <= 57); + } } - server.createNormalizedPathMap = createNormalizedPathMap; - function throwLanguageServiceIsDisabledError() { - throw new Error("LanguageService is disabled"); + function getRenameInfo(fileName, position) { + synchronizeHostData(); + var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); + return ts.Rename.getRenameInfo(program.getTypeChecker(), defaultLibFileName, getCanonicalFileName, getValidSourceFile(fileName), position); } - server.nullLanguageService = { - cleanupSemanticCache: throwLanguageServiceIsDisabledError, - getSyntacticDiagnostics: throwLanguageServiceIsDisabledError, - getSemanticDiagnostics: throwLanguageServiceIsDisabledError, - getCompilerOptionsDiagnostics: throwLanguageServiceIsDisabledError, - getSyntacticClassifications: throwLanguageServiceIsDisabledError, - getEncodedSyntacticClassifications: throwLanguageServiceIsDisabledError, - getSemanticClassifications: throwLanguageServiceIsDisabledError, - getEncodedSemanticClassifications: throwLanguageServiceIsDisabledError, - getCompletionsAtPosition: throwLanguageServiceIsDisabledError, - findReferences: throwLanguageServiceIsDisabledError, - getCompletionEntryDetails: throwLanguageServiceIsDisabledError, - getQuickInfoAtPosition: throwLanguageServiceIsDisabledError, - findRenameLocations: throwLanguageServiceIsDisabledError, - getNameOrDottedNameSpan: throwLanguageServiceIsDisabledError, - getBreakpointStatementAtPosition: throwLanguageServiceIsDisabledError, - getBraceMatchingAtPosition: throwLanguageServiceIsDisabledError, - getSignatureHelpItems: throwLanguageServiceIsDisabledError, - getDefinitionAtPosition: throwLanguageServiceIsDisabledError, - getRenameInfo: throwLanguageServiceIsDisabledError, - getTypeDefinitionAtPosition: throwLanguageServiceIsDisabledError, - getReferencesAtPosition: throwLanguageServiceIsDisabledError, - getDocumentHighlights: throwLanguageServiceIsDisabledError, - getOccurrencesAtPosition: throwLanguageServiceIsDisabledError, - getNavigateToItems: throwLanguageServiceIsDisabledError, - getNavigationBarItems: throwLanguageServiceIsDisabledError, - getNavigationTree: throwLanguageServiceIsDisabledError, - getOutliningSpans: throwLanguageServiceIsDisabledError, - getTodoComments: throwLanguageServiceIsDisabledError, - getIndentationAtPosition: throwLanguageServiceIsDisabledError, - getFormattingEditsForRange: throwLanguageServiceIsDisabledError, - getFormattingEditsForDocument: throwLanguageServiceIsDisabledError, - getFormattingEditsAfterKeystroke: throwLanguageServiceIsDisabledError, - getDocCommentTemplateAtPosition: throwLanguageServiceIsDisabledError, - isValidBraceCompletionAtPosition: throwLanguageServiceIsDisabledError, - getEmitOutput: throwLanguageServiceIsDisabledError, - getProgram: throwLanguageServiceIsDisabledError, - getNonBoundSourceFile: throwLanguageServiceIsDisabledError, - dispose: throwLanguageServiceIsDisabledError, - getCompletionEntrySymbol: throwLanguageServiceIsDisabledError, - getImplementationAtPosition: throwLanguageServiceIsDisabledError, - getSourceFile: throwLanguageServiceIsDisabledError, - getCodeFixesAtPosition: throwLanguageServiceIsDisabledError - }; - server.nullLanguageServiceHost = { - setCompilationSettings: function () { return undefined; }, - notifyFileRemoved: function () { return undefined; } + return { + dispose: dispose, + cleanupSemanticCache: cleanupSemanticCache, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, + getSyntacticClassifications: getSyntacticClassifications, + getSemanticClassifications: getSemanticClassifications, + getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, + getEncodedSemanticClassifications: getEncodedSemanticClassifications, + getCompletionsAtPosition: getCompletionsAtPosition, + getCompletionEntryDetails: getCompletionEntryDetails, + getCompletionEntrySymbol: getCompletionEntrySymbol, + getSignatureHelpItems: getSignatureHelpItems, + getQuickInfoAtPosition: getQuickInfoAtPosition, + getDefinitionAtPosition: getDefinitionAtPosition, + getImplementationAtPosition: getImplementationAtPosition, + getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, + getReferencesAtPosition: getReferencesAtPosition, + findReferences: findReferences, + getOccurrencesAtPosition: getOccurrencesAtPosition, + getDocumentHighlights: getDocumentHighlights, + getNameOrDottedNameSpan: getNameOrDottedNameSpan, + getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, + getNavigateToItems: getNavigateToItems, + getRenameInfo: getRenameInfo, + findRenameLocations: findRenameLocations, + getNavigationBarItems: getNavigationBarItems, + getNavigationTree: getNavigationTree, + getOutliningSpans: getOutliningSpans, + getTodoComments: getTodoComments, + getBraceMatchingAtPosition: getBraceMatchingAtPosition, + getIndentationAtPosition: getIndentationAtPosition, + getFormattingEditsForRange: getFormattingEditsForRange, + getFormattingEditsForDocument: getFormattingEditsForDocument, + getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, + getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, + isValidBraceCompletionAtPosition: isValidBraceCompletionAtPosition, + getCodeFixesAtPosition: getCodeFixesAtPosition, + getEmitOutput: getEmitOutput, + getNonBoundSourceFile: getNonBoundSourceFile, + getSourceFile: getSourceFile, + getProgram: getProgram }; - function isInferredProjectName(name) { - return /dev\/null\/inferredProject\d+\*/.test(name); - } - server.isInferredProjectName = isInferredProjectName; - function makeInferredProjectName(counter) { - return "/dev/null/inferredProject" + counter + "*"; + } + ts.createLanguageService = createLanguageService; + function getNameTable(sourceFile) { + if (!sourceFile.nameTable) { + initializeNameTable(sourceFile); } - server.makeInferredProjectName = makeInferredProjectName; - var ThrottledOperations = (function () { - function ThrottledOperations(host) { - this.host = host; - this.pendingTimeouts = ts.createMap(); - } - ThrottledOperations.prototype.schedule = function (operationId, delay, cb) { - if (ts.hasProperty(this.pendingTimeouts, operationId)) { - this.host.clearTimeout(this.pendingTimeouts[operationId]); - } - this.pendingTimeouts[operationId] = this.host.setTimeout(ThrottledOperations.run, delay, this, operationId, cb); - }; - ThrottledOperations.run = function (self, operationId, cb) { - delete self.pendingTimeouts[operationId]; - cb(); - }; - return ThrottledOperations; - }()); - server.ThrottledOperations = ThrottledOperations; - var GcTimer = (function () { - function GcTimer(host, delay, logger) { - this.host = host; - this.delay = delay; - this.logger = logger; + return sourceFile.nameTable; + } + ts.getNameTable = getNameTable; + function initializeNameTable(sourceFile) { + var nameTable = ts.createMap(); + walk(sourceFile); + sourceFile.nameTable = nameTable; + function walk(node) { + switch (node.kind) { + case 70: + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + break; + case 9: + case 8: + if (ts.isDeclarationName(node) || + node.parent.kind === 241 || + isArgumentOfElementAccessExpression(node) || + ts.isLiteralComputedPropertyDeclarationName(node)) { + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + } + break; + default: + ts.forEachChild(node, walk); + if (node.jsDocComments) { + for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + ts.forEachChild(jsDocComment, walk); + } + } } - GcTimer.prototype.scheduleCollect = function () { - if (!this.host.gc || this.timerId != undefined) { - return; - } - this.timerId = this.host.setTimeout(GcTimer.run, this.delay, this); - }; - GcTimer.run = function (self) { - self.timerId = undefined; - var log = self.logger.hasLevel(LogLevel.requestTime); - var before = log && self.host.getMemoryUsage(); - self.host.gc(); - if (log) { - var after = self.host.getMemoryUsage(); - self.logger.perftrc("GC::before " + before + ", after " + after); - } - }; - return GcTimer; - }()); - server.GcTimer = GcTimer; - })(server = ts.server || (ts.server = {})); + } + } + function isArgumentOfElementAccessExpression(node) { + return node && + node.parent && + node.parent.kind === 174 && + node.parent.argumentExpression === node; + } + function getDefaultLibFilePath(options) { + if (typeof __dirname !== "undefined") { + return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); + } + throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); + } + ts.getDefaultLibFilePath = getDefaultLibFilePath; + function initializeServices() { + ts.objectAllocator = getServicesObjectAllocator(); + } + initializeServices(); })(ts || (ts = {})); var ts; (function (ts) { @@ -63639,7 +61823,15 @@ var ts; return primaryResult; }; } - LSHost.prototype.resolveNamesWithLocalCache = function (names, containingFile, cache, loader, getResult) { + LSHost.prototype.startRecordingFilesWithChangedResolutions = function () { + this.filesWithChangedSetOfUnresolvedImports = []; + }; + LSHost.prototype.finishRecordingFilesWithChangedResolutions = function () { + var collected = this.filesWithChangedSetOfUnresolvedImports; + this.filesWithChangedSetOfUnresolvedImports = undefined; + return collected; + }; + LSHost.prototype.resolveNamesWithLocalCache = function (names, containingFile, cache, loader, getResult, logChanges) { var path = ts.toPath(containingFile, this.host.getCurrentDirectory(), this.getCanonicalFileName); var currentResolutionsInFile = cache.get(path); var newResolutions = ts.createMap(); @@ -63657,12 +61849,33 @@ var ts; else { newResolutions[name_52] = resolution = loader(name_52, containingFile, compilerOptions, this); } + if (logChanges && this.filesWithChangedSetOfUnresolvedImports && !resolutionIsEqualTo(existingResolution, resolution)) { + this.filesWithChangedSetOfUnresolvedImports.push(path); + logChanges = false; + } } ts.Debug.assert(resolution !== undefined); resolvedModules.push(getResult(resolution)); } cache.set(path, newResolutions); return resolvedModules; + function resolutionIsEqualTo(oldResolution, newResolution) { + if (oldResolution === newResolution) { + return true; + } + if (!oldResolution || !newResolution) { + return false; + } + var oldResult = getResult(oldResolution); + var newResult = getResult(newResolution); + if (oldResult === newResult) { + return true; + } + if (!oldResult || !newResult) { + return false; + } + return oldResult.resolvedFileName === newResult.resolvedFileName; + } function moduleResolutionIsValid(resolution) { if (!resolution) { return false; @@ -63690,10 +61903,10 @@ var ts; return this.cancellationToken; }; LSHost.prototype.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) { - return this.resolveNamesWithLocalCache(typeDirectiveNames, containingFile, this.resolvedTypeReferenceDirectives, ts.resolveTypeReferenceDirective, function (m) { return m.resolvedTypeReferenceDirective; }); + return this.resolveNamesWithLocalCache(typeDirectiveNames, containingFile, this.resolvedTypeReferenceDirectives, ts.resolveTypeReferenceDirective, function (m) { return m.resolvedTypeReferenceDirective; }, false); }; LSHost.prototype.resolveModuleNames = function (moduleNames, containingFile) { - return this.resolveNamesWithLocalCache(moduleNames, containingFile, this.resolvedModuleNames, this.resolveModuleName, function (m) { return m.resolvedModule; }); + return this.resolveNamesWithLocalCache(moduleNames, containingFile, this.resolvedModuleNames, this.resolveModuleName, function (m) { return m.resolvedModule; }, true); }; LSHost.prototype.getDefaultLibFileName = function () { var nodeModuleBinDir = ts.getDirectoryPath(ts.normalizePath(this.host.getExecutingFilePath())); @@ -63745,9 +61958,11 @@ var ts; this.resolvedTypeReferenceDirectives.remove(info.path); }; LSHost.prototype.setCompilationSettings = function (opt) { + if (ts.changesAffectModuleResolution(this.compilationSettings, opt)) { + this.resolvedModuleNames.clear(); + this.resolvedTypeReferenceDirectives.clear(); + } this.compilationSettings = opt; - this.resolvedModuleNames.clear(); - this.resolvedTypeReferenceDirectives.clear(); }; return LSHost; }()); @@ -63759,9 +61974,9 @@ var ts; var server; (function (server) { server.nullTypingsInstaller = { - enqueueInstallTypingsRequest: function () { }, - attach: function () { }, - onProjectClosed: function () { }, + enqueueInstallTypingsRequest: ts.noop, + attach: ts.noop, + onProjectClosed: ts.noop, globalTypingsCacheLocation: undefined }; var TypingsCacheEntry = (function () { @@ -63805,48 +62020,52 @@ var ts; function compilerOptionsChanged(opt1, opt2) { return opt1.allowJs != opt2.allowJs; } - function toTypingsArray(arr) { - arr.sort(); - return arr; + function unresolvedImportsChanged(imports1, imports2) { + if (imports1 === imports2) { + return false; + } + return !ts.arrayIsEqualTo(imports1, imports2); } var TypingsCache = (function () { function TypingsCache(installer) { this.installer = installer; this.perProjectCache = ts.createMap(); } - TypingsCache.prototype.getTypingsForProject = function (project, forceRefresh) { + TypingsCache.prototype.getTypingsForProject = function (project, unresolvedImports, forceRefresh) { var typingOptions = project.getTypingOptions(); if (!typingOptions || !typingOptions.enableAutoDiscovery) { return server.emptyArray; } var entry = this.perProjectCache[project.getProjectName()]; var result = entry ? entry.typings : server.emptyArray; - if (forceRefresh || !entry || typingOptionsChanged(typingOptions, entry.typingOptions) || compilerOptionsChanged(project.getCompilerOptions(), entry.compilerOptions)) { + if (forceRefresh || + !entry || + typingOptionsChanged(typingOptions, entry.typingOptions) || + compilerOptionsChanged(project.getCompilerOptions(), entry.compilerOptions) || + unresolvedImportsChanged(unresolvedImports, entry.unresolvedImports)) { this.perProjectCache[project.getProjectName()] = { compilerOptions: project.getCompilerOptions(), typingOptions: typingOptions, typings: result, + unresolvedImports: unresolvedImports, poisoned: true }; - this.installer.enqueueInstallTypingsRequest(project, typingOptions); + this.installer.enqueueInstallTypingsRequest(project, typingOptions, unresolvedImports); } return result; }; - TypingsCache.prototype.invalidateCachedTypingsForProject = function (project) { - var typingOptions = project.getTypingOptions(); - if (!typingOptions.enableAutoDiscovery) { - return; - } - this.installer.enqueueInstallTypingsRequest(project, typingOptions); - }; - TypingsCache.prototype.updateTypingsForProject = function (projectName, compilerOptions, typingOptions, newTypings) { + TypingsCache.prototype.updateTypingsForProject = function (projectName, compilerOptions, typingOptions, unresolvedImports, newTypings) { this.perProjectCache[projectName] = { compilerOptions: compilerOptions, typingOptions: typingOptions, - typings: toTypingsArray(newTypings), + typings: server.toSortedReadonlyArray(newTypings), + unresolvedImports: unresolvedImports, poisoned: false }; }; + TypingsCache.prototype.deleteTypingsForProject = function (projectName) { + delete this.perProjectCache[projectName]; + }; TypingsCache.prototype.onProjectClosed = function (project) { delete this.perProjectCache[project.getProjectName()]; this.installer.onProjectClosed(project); @@ -64211,6 +62430,32 @@ var ts; return counts.ts === 0 && counts.tsx === 0; } server.allFilesAreJsOrDts = allFilesAreJsOrDts; + var UnresolvedImportsMap = (function () { + function UnresolvedImportsMap() { + this.perFileMap = ts.createFileMap(); + this.version = 0; + } + UnresolvedImportsMap.prototype.clear = function () { + this.perFileMap.clear(); + this.version = 0; + }; + UnresolvedImportsMap.prototype.getVersion = function () { + return this.version; + }; + UnresolvedImportsMap.prototype.remove = function (path) { + this.perFileMap.remove(path); + this.version++; + }; + UnresolvedImportsMap.prototype.get = function (path) { + return this.perFileMap.get(path); + }; + UnresolvedImportsMap.prototype.set = function (path, value) { + this.perFileMap.set(path, value); + this.version++; + }; + return UnresolvedImportsMap; + }()); + server.UnresolvedImportsMap = UnresolvedImportsMap; var Project = (function () { function Project(projectKind, projectService, documentRegistry, hasExplicitListOfFiles, languageServiceEnabled, compilerOptions, compileOnSaveEnabled) { this.projectKind = projectKind; @@ -64221,6 +62466,7 @@ var ts; this.compileOnSaveEnabled = compileOnSaveEnabled; this.rootFiles = []; this.rootFilesMap = ts.createFileMap(); + this.cachedUnresolvedImportsPerFile = new UnresolvedImportsMap(); this.lastReportedVersion = 0; this.projectStructureVersion = 0; this.projectStateVersion = 0; @@ -64250,6 +62496,9 @@ var ts; this.updateGraph(); return hasOneOrMoreJsAndNoTsFiles(this); }; + Project.prototype.getCachedUnresolvedImportsPerFile_TestOnly = function () { + return this.cachedUnresolvedImportsPerFile; + }; Project.prototype.getProjectErrors = function () { return this.projectErrors; }; @@ -64412,6 +62661,7 @@ var ts; if (detachFromProject === void 0) { detachFromProject = true; } this.removeRootFileIfNecessary(info); this.lsHost.notifyFileRemoved(info); + this.cachedUnresolvedImportsPerFile.remove(info.path); if (detachFromProject) { info.detachFromProject(this); } @@ -64420,12 +62670,56 @@ var ts; Project.prototype.markAsDirty = function () { this.projectStateVersion++; }; + Project.prototype.extractUnresolvedImportsFromSourceFile = function (file, result) { + var cached = this.cachedUnresolvedImportsPerFile.get(file.path); + if (cached) { + for (var _i = 0, cached_1 = cached; _i < cached_1.length; _i++) { + var f = cached_1[_i]; + result.push(f); + } + return; + } + var unresolvedImports; + if (file.resolvedModules) { + for (var name_53 in file.resolvedModules) { + if (!file.resolvedModules[name_53] && !ts.isExternalModuleNameRelative(name_53)) { + var trimmed = name_53.trim(); + var i = trimmed.indexOf("/"); + if (i !== -1 && trimmed.charCodeAt(0) === 64) { + i = trimmed.indexOf("/", i + 1); + } + if (i !== -1) { + trimmed = trimmed.substr(0, i); + } + (unresolvedImports || (unresolvedImports = [])).push(trimmed); + result.push(trimmed); + } + } + } + this.cachedUnresolvedImportsPerFile.set(file.path, unresolvedImports || server.emptyArray); + }; Project.prototype.updateGraph = function () { if (!this.languageServiceEnabled) { return true; } + this.lsHost.startRecordingFilesWithChangedResolutions(); var hasChanges = this.updateGraphWorker(); - var cachedTypings = this.projectService.typingsCache.getTypingsForProject(this, hasChanges); + var changedFiles = this.lsHost.finishRecordingFilesWithChangedResolutions() || server.emptyArray; + for (var _i = 0, changedFiles_1 = changedFiles; _i < changedFiles_1.length; _i++) { + var file = changedFiles_1[_i]; + this.cachedUnresolvedImportsPerFile.remove(file); + } + var unresolvedImports; + if (hasChanges || changedFiles.length) { + var result = []; + for (var _a = 0, _b = this.program.getSourceFiles(); _a < _b.length; _a++) { + var sourceFile = _b[_a]; + this.extractUnresolvedImportsFromSourceFile(sourceFile, result); + } + this.lastCachedUnresolvedImportsList = server.toSortedReadonlyArray(result); + } + unresolvedImports = this.lastCachedUnresolvedImportsList; + var cachedTypings = this.projectService.typingsCache.getTypingsForProject(this, unresolvedImports, hasChanges); if (this.setTypings(cachedTypings)) { hasChanges = this.updateGraphWorker() || hasChanges; } @@ -64498,6 +62792,10 @@ var ts; compilerOptions.allowJs = true; } compilerOptions.allowNonTsExtensions = true; + if (ts.changesAffectModuleResolution(this.compilerOptions, compilerOptions)) { + this.cachedUnresolvedImportsPerFile.clear(); + this.lastCachedUnresolvedImportsList = undefined; + } this.compilerOptions = compilerOptions; this.lsHost.setCompilationSettings(compilerOptions); this.markAsDirty(); @@ -64965,13 +63263,13 @@ var ts; } switch (response.kind) { case "set": - this.typingsCache.updateTypingsForProject(response.projectName, response.compilerOptions, response.typingOptions, response.typings); - project.updateGraph(); + this.typingsCache.updateTypingsForProject(response.projectName, response.compilerOptions, response.typingOptions, response.unresolvedImports, response.typings); break; case "invalidate": - this.typingsCache.invalidateCachedTypingsForProject(project); + this.typingsCache.deleteTypingsForProject(response.projectName); break; } + project.updateGraph(); }; ProjectService.prototype.setCompilerOptionsForInferredProjects = function (projectCompilerOptions) { this.compilerOptionsForInferredProjects = convertCompilerOptions(projectCompilerOptions); @@ -65658,13 +63956,13 @@ var ts; this.printProjects(); }; ProjectService.prototype.collectChanges = function (lastKnownProjectVersions, currentProjects, result) { - var _loop_3 = function (proj) { + var _loop_4 = function (proj) { var knownProject = ts.forEach(lastKnownProjectVersions, function (p) { return p.projectName === proj.getProjectName() && p; }); result.push(proj.getChangesSinceVersion(knownProject && knownProject.version)); }; for (var _i = 0, currentProjects_1 = currentProjects; _i < currentProjects_1.length; _i++) { var proj = currentProjects_1[_i]; - _loop_3(proj); + _loop_4(proj); } }; ProjectService.prototype.synchronizeProjectList = function (knownProjects) { @@ -65686,8 +63984,8 @@ var ts; } } if (changedFiles) { - for (var _a = 0, changedFiles_1 = changedFiles; _a < changedFiles_1.length; _a++) { - var file = changedFiles_1[_a]; + for (var _a = 0, changedFiles_2 = changedFiles; _a < changedFiles_2.length; _a++) { + var file = changedFiles_2[_a]; var scriptInfo = this.getScriptInfo(file.fileName); ts.Debug.assert(!!scriptInfo); for (var i = file.changes.length - 1; i >= 0; i--) { @@ -66887,9 +65185,9 @@ var ts; if (simplifiedResult) { return completions.entries.reduce(function (result, entry) { if (completions.isMemberCompletion || (entry.name.toLowerCase().indexOf(prefix.toLowerCase()) === 0)) { - var name_53 = entry.name, kind = entry.kind, kindModifiers = entry.kindModifiers, sortText = entry.sortText, replacementSpan = entry.replacementSpan; + var name_54 = entry.name, kind = entry.kind, kindModifiers = entry.kindModifiers, sortText = entry.sortText, replacementSpan = entry.replacementSpan; var convertedSpan = replacementSpan ? _this.decorateSpan(replacementSpan, scriptInfo) : undefined; - result.push({ name: name_53, kind: kind, kindModifiers: kindModifiers, sortText: sortText, replacementSpan: convertedSpan }); + result.push({ name: name_54, kind: kind, kindModifiers: kindModifiers, sortText: sortText, replacementSpan: convertedSpan }); } return result; }, []).sort(function (a, b) { return ts.compareStrings(a.name, b.name); }); @@ -67800,705 +66098,1418 @@ var ts; else { break; } - nodeIndex++; + nodeIndex++; + } + interiorNodes[i].totalChars = charCount; + interiorNodes[i].totalLines = lineCount; + } + if (interiorNodes.length === 1) { + return interiorNodes[0]; + } + else { + return this.buildTreeFromBottom(interiorNodes); + } + }; + LineIndex.linesFromText = function (text) { + var lineStarts = ts.computeLineStarts(text); + if (lineStarts.length === 0) { + return { lines: [], lineMap: lineStarts }; + } + var lines = new Array(lineStarts.length); + var lc = lineStarts.length - 1; + for (var lmi = 0; lmi < lc; lmi++) { + lines[lmi] = text.substring(lineStarts[lmi], lineStarts[lmi + 1]); + } + var endText = text.substring(lineStarts[lc]); + if (endText.length > 0) { + lines[lc] = endText; + } + else { + lines.length--; + } + return { lines: lines, lineMap: lineStarts }; + }; + return LineIndex; + }()); + server.LineIndex = LineIndex; + var LineNode = (function () { + function LineNode() { + this.totalChars = 0; + this.totalLines = 0; + this.children = []; + } + LineNode.prototype.isLeaf = function () { + return false; + }; + LineNode.prototype.updateCounts = function () { + this.totalChars = 0; + this.totalLines = 0; + for (var i = 0, len = this.children.length; i < len; i++) { + var child = this.children[i]; + this.totalChars += child.charCount(); + this.totalLines += child.lineCount(); + } + }; + LineNode.prototype.execWalk = function (rangeStart, rangeLength, walkFns, childIndex, nodeType) { + if (walkFns.pre) { + walkFns.pre(rangeStart, rangeLength, this.children[childIndex], this, nodeType); + } + if (walkFns.goSubtree) { + this.children[childIndex].walk(rangeStart, rangeLength, walkFns); + if (walkFns.post) { + walkFns.post(rangeStart, rangeLength, this.children[childIndex], this, nodeType); + } + } + else { + walkFns.goSubtree = true; + } + return walkFns.done; + }; + LineNode.prototype.skipChild = function (relativeStart, relativeLength, childIndex, walkFns, nodeType) { + if (walkFns.pre && (!walkFns.done)) { + walkFns.pre(relativeStart, relativeLength, this.children[childIndex], this, nodeType); + walkFns.goSubtree = true; + } + }; + LineNode.prototype.walk = function (rangeStart, rangeLength, walkFns) { + var childIndex = 0; + var child = this.children[0]; + var childCharCount = child.charCount(); + var adjustedStart = rangeStart; + while (adjustedStart >= childCharCount) { + this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, CharRangeSection.PreStart); + adjustedStart -= childCharCount; + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + } + if ((adjustedStart + rangeLength) <= childCharCount) { + if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, CharRangeSection.Entire)) { + return; + } + } + else { + if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, CharRangeSection.Start)) { + return; + } + var adjustedLength = rangeLength - (childCharCount - adjustedStart); + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + while (adjustedLength > childCharCount) { + if (this.execWalk(0, childCharCount, walkFns, childIndex, CharRangeSection.Mid)) { + return; + } + adjustedLength -= childCharCount; + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + } + if (adjustedLength > 0) { + if (this.execWalk(0, adjustedLength, walkFns, childIndex, CharRangeSection.End)) { + return; + } + } + } + if (walkFns.pre) { + var clen = this.children.length; + if (childIndex < (clen - 1)) { + for (var ej = childIndex + 1; ej < clen; ej++) { + this.skipChild(0, 0, ej, walkFns, CharRangeSection.PostEnd); + } + } + } + }; + LineNode.prototype.charOffsetToLineNumberAndPos = function (lineNumber, charOffset) { + var childInfo = this.childFromCharOffset(lineNumber, charOffset); + if (!childInfo.child) { + return { + line: lineNumber, + offset: charOffset, + }; + } + else if (childInfo.childIndex < this.children.length) { + if (childInfo.child.isLeaf()) { + return { + line: childInfo.lineNumber, + offset: childInfo.charOffset, + text: (childInfo.child).text, + leaf: (childInfo.child) + }; + } + else { + var lineNode = (childInfo.child); + return lineNode.charOffsetToLineNumberAndPos(childInfo.lineNumber, childInfo.charOffset); + } + } + else { + var lineInfo = this.lineNumberToInfo(this.lineCount(), 0); + return { line: this.lineCount(), offset: lineInfo.leaf.charCount() }; + } + }; + LineNode.prototype.lineNumberToInfo = function (lineNumber, charOffset) { + var childInfo = this.childFromLineNumber(lineNumber, charOffset); + if (!childInfo.child) { + return { + line: lineNumber, + offset: charOffset + }; + } + else if (childInfo.child.isLeaf()) { + return { + line: lineNumber, + offset: childInfo.charOffset, + text: (childInfo.child).text, + leaf: (childInfo.child) + }; + } + else { + var lineNode = (childInfo.child); + return lineNode.lineNumberToInfo(childInfo.relativeLineNumber, childInfo.charOffset); + } + }; + LineNode.prototype.childFromLineNumber = function (lineNumber, charOffset) { + var child; + var relativeLineNumber = lineNumber; + var i; + var len; + for (i = 0, len = this.children.length; i < len; i++) { + child = this.children[i]; + var childLineCount = child.lineCount(); + if (childLineCount >= relativeLineNumber) { + break; + } + else { + relativeLineNumber -= childLineCount; + charOffset += child.charCount(); + } + } + return { + child: child, + childIndex: i, + relativeLineNumber: relativeLineNumber, + charOffset: charOffset + }; + }; + LineNode.prototype.childFromCharOffset = function (lineNumber, charOffset) { + var child; + var i; + var len; + for (i = 0, len = this.children.length; i < len; i++) { + child = this.children[i]; + if (child.charCount() > charOffset) { + break; + } + else { + charOffset -= child.charCount(); + lineNumber += child.lineCount(); + } + } + return { + child: child, + childIndex: i, + charOffset: charOffset, + lineNumber: lineNumber + }; + }; + LineNode.prototype.splitAfter = function (childIndex) { + var splitNode; + var clen = this.children.length; + childIndex++; + var endLength = childIndex; + if (childIndex < clen) { + splitNode = new LineNode(); + while (childIndex < clen) { + splitNode.add(this.children[childIndex]); + childIndex++; + } + splitNode.updateCounts(); + } + this.children.length = endLength; + return splitNode; + }; + LineNode.prototype.remove = function (child) { + var childIndex = this.findChildIndex(child); + var clen = this.children.length; + if (childIndex < (clen - 1)) { + for (var i = childIndex; i < (clen - 1); i++) { + this.children[i] = this.children[i + 1]; + } + } + this.children.length--; + }; + LineNode.prototype.findChildIndex = function (child) { + var childIndex = 0; + var clen = this.children.length; + while ((this.children[childIndex] !== child) && (childIndex < clen)) + childIndex++; + return childIndex; + }; + LineNode.prototype.insertAt = function (child, nodes) { + var childIndex = this.findChildIndex(child); + var clen = this.children.length; + var nodeCount = nodes.length; + if ((clen < lineCollectionCapacity) && (childIndex === (clen - 1)) && (nodeCount === 1)) { + this.add(nodes[0]); + this.updateCounts(); + return []; + } + else { + var shiftNode = this.splitAfter(childIndex); + var nodeIndex = 0; + childIndex++; + while ((childIndex < lineCollectionCapacity) && (nodeIndex < nodeCount)) { + this.children[childIndex] = nodes[nodeIndex]; + childIndex++; + nodeIndex++; + } + var splitNodes = []; + var splitNodeCount = 0; + if (nodeIndex < nodeCount) { + splitNodeCount = Math.ceil((nodeCount - nodeIndex) / lineCollectionCapacity); + splitNodes = new Array(splitNodeCount); + var splitNodeIndex = 0; + for (var i = 0; i < splitNodeCount; i++) { + splitNodes[i] = new LineNode(); + } + var splitNode = splitNodes[0]; + while (nodeIndex < nodeCount) { + splitNode.add(nodes[nodeIndex]); + nodeIndex++; + if (splitNode.children.length === lineCollectionCapacity) { + splitNodeIndex++; + splitNode = splitNodes[splitNodeIndex]; + } + } + for (var i = splitNodes.length - 1; i >= 0; i--) { + if (splitNodes[i].children.length === 0) { + splitNodes.length--; + } + } + } + if (shiftNode) { + splitNodes[splitNodes.length] = shiftNode; + } + this.updateCounts(); + for (var i = 0; i < splitNodeCount; i++) { + splitNodes[i].updateCounts(); + } + return splitNodes; + } + }; + LineNode.prototype.add = function (collection) { + this.children[this.children.length] = collection; + return (this.children.length < lineCollectionCapacity); + }; + LineNode.prototype.charCount = function () { + return this.totalChars; + }; + LineNode.prototype.lineCount = function () { + return this.totalLines; + }; + return LineNode; + }()); + server.LineNode = LineNode; + var LineLeaf = (function () { + function LineLeaf(text) { + this.text = text; + } + LineLeaf.prototype.isLeaf = function () { + return true; + }; + LineLeaf.prototype.walk = function (rangeStart, rangeLength, walkFns) { + walkFns.leaf(rangeStart, rangeLength, this); + }; + LineLeaf.prototype.charCount = function () { + return this.text.length; + }; + LineLeaf.prototype.lineCount = function () { + return 1; + }; + return LineLeaf; + }()); + server.LineLeaf = LineLeaf; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var server; + (function (server) { + var net = require("net"); + var childProcess = require("child_process"); + var os = require("os"); + function getGlobalTypingsCacheLocation() { + var basePath; + switch (process.platform) { + case "win32": + basePath = process.env.LOCALAPPDATA || process.env.APPDATA || os.homedir(); + break; + case "linux": + basePath = os.homedir(); + break; + case "darwin": + basePath = ts.combinePaths(os.homedir(), "Library/Application Support/"); + break; + } + ts.Debug.assert(basePath !== undefined); + return ts.combinePaths(ts.normalizeSlashes(basePath), "Microsoft/TypeScript"); + } + var readline = require("readline"); + var fs = require("fs"); + var rl = readline.createInterface({ + input: process.stdin, + output: process.stdout, + terminal: false, + }); + var Logger = (function () { + function Logger(logFilename, traceToConsole, level) { + this.logFilename = logFilename; + this.traceToConsole = traceToConsole; + this.level = level; + this.fd = -1; + this.seq = 0; + this.inGroup = false; + this.firstInGroup = true; + } + Logger.padStringRight = function (str, padding) { + return (str + padding).slice(0, padding.length); + }; + Logger.prototype.close = function () { + if (this.fd >= 0) { + fs.close(this.fd); + } + }; + Logger.prototype.getLogFileName = function () { + return this.logFilename; + }; + Logger.prototype.perftrc = function (s) { + this.msg(s, server.Msg.Perf); + }; + Logger.prototype.info = function (s) { + this.msg(s, server.Msg.Info); + }; + Logger.prototype.startGroup = function () { + this.inGroup = true; + this.firstInGroup = true; + }; + Logger.prototype.endGroup = function () { + this.inGroup = false; + this.seq++; + this.firstInGroup = true; + }; + Logger.prototype.loggingEnabled = function () { + return !!this.logFilename || this.traceToConsole; + }; + Logger.prototype.hasLevel = function (level) { + return this.loggingEnabled() && this.level >= level; + }; + Logger.prototype.msg = function (s, type) { + if (type === void 0) { type = server.Msg.Err; } + if (this.fd < 0) { + if (this.logFilename) { + this.fd = fs.openSync(this.logFilename, "w"); + } + } + if (this.fd >= 0 || this.traceToConsole) { + s = s + "\n"; + var prefix = Logger.padStringRight(type + " " + this.seq.toString(), " "); + if (this.firstInGroup) { + s = prefix + s; + this.firstInGroup = false; + } + if (!this.inGroup) { + this.seq++; + this.firstInGroup = true; + } + if (this.fd >= 0) { + var buf = new Buffer(s); + fs.writeSync(this.fd, buf, 0, buf.length, null); + } + if (this.traceToConsole) { + console.warn(s); + } + } + }; + return Logger; + }()); + var NodeTypingsInstaller = (function () { + function NodeTypingsInstaller(logger, host, eventPort, globalTypingsCacheLocation, newLine) { + var _this = this; + this.logger = logger; + this.globalTypingsCacheLocation = globalTypingsCacheLocation; + this.newLine = newLine; + this.installerPidReported = false; + this.throttledOperations = new server.ThrottledOperations(host); + if (eventPort) { + var s_1 = net.connect({ port: eventPort }, function () { + _this.socket = s_1; + _this.reportInstallerProcessId(); + }); + } + } + NodeTypingsInstaller.prototype.reportInstallerProcessId = function () { + if (this.installerPidReported) { + return; + } + if (this.socket && this.installer) { + this.sendEvent(0, "typingsInstallerPid", { pid: this.installer.pid }); + this.installerPidReported = true; + } + }; + NodeTypingsInstaller.prototype.sendEvent = function (seq, event, body) { + this.socket.write(server.formatMessage({ seq: seq, type: "event", event: event, body: body }, this.logger, Buffer.byteLength, this.newLine), "utf8"); + }; + NodeTypingsInstaller.prototype.attach = function (projectService) { + var _this = this; + this.projectService = projectService; + if (this.logger.hasLevel(server.LogLevel.requestTime)) { + this.logger.info("Binding..."); + } + var args = ["--globalTypingsCacheLocation", this.globalTypingsCacheLocation]; + if (this.logger.loggingEnabled() && this.logger.getLogFileName()) { + args.push("--logFile", ts.combinePaths(ts.getDirectoryPath(ts.normalizeSlashes(this.logger.getLogFileName())), "ti-" + process.pid + ".log")); + } + var execArgv = []; + { + for (var _i = 0, _a = process.execArgv; _i < _a.length; _i++) { + var arg = _a[_i]; + var match = /^--(debug|inspect)(=(\d+))?$/.exec(arg); + if (match) { + var currentPort = match[3] !== undefined + ? +match[3] + : match[1] === "debug" ? 5858 : 9229; + execArgv.push("--" + match[1] + "=" + (currentPort + 1)); + break; + } } - interiorNodes[i].totalChars = charCount; - interiorNodes[i].totalLines = lineCount; - } - if (interiorNodes.length === 1) { - return interiorNodes[0]; - } - else { - return this.buildTreeFromBottom(interiorNodes); } + this.installer = childProcess.fork(ts.combinePaths(__dirname, "typingsInstaller.js"), args, { execArgv: execArgv }); + this.installer.on("message", function (m) { return _this.handleMessage(m); }); + this.reportInstallerProcessId(); + process.on("exit", function () { + _this.installer.kill(); + }); }; - LineIndex.linesFromText = function (text) { - var lineStarts = ts.computeLineStarts(text); - if (lineStarts.length === 0) { - return { lines: [], lineMap: lineStarts }; - } - var lines = new Array(lineStarts.length); - var lc = lineStarts.length - 1; - for (var lmi = 0; lmi < lc; lmi++) { - lines[lmi] = text.substring(lineStarts[lmi], lineStarts[lmi + 1]); + NodeTypingsInstaller.prototype.onProjectClosed = function (p) { + this.installer.send({ projectName: p.getProjectName(), kind: "closeProject" }); + }; + NodeTypingsInstaller.prototype.enqueueInstallTypingsRequest = function (project, typingOptions, unresolvedImports) { + var _this = this; + var request = server.createInstallTypingsRequest(project, typingOptions, unresolvedImports); + if (this.logger.hasLevel(server.LogLevel.verbose)) { + if (this.logger.hasLevel(server.LogLevel.verbose)) { + this.logger.info("Scheduling throttled operation: " + JSON.stringify(request)); + } } - var endText = text.substring(lineStarts[lc]); - if (endText.length > 0) { - lines[lc] = endText; + this.throttledOperations.schedule(project.getProjectName(), 250, function () { + if (_this.logger.hasLevel(server.LogLevel.verbose)) { + _this.logger.info("Sending request: " + JSON.stringify(request)); + } + _this.installer.send(request); + }); + }; + NodeTypingsInstaller.prototype.handleMessage = function (response) { + if (this.logger.hasLevel(server.LogLevel.verbose)) { + this.logger.info("Received response: " + JSON.stringify(response)); } - else { - lines.length--; + this.projectService.updateTypingsForProject(response); + if (response.kind == "set" && this.socket) { + this.sendEvent(0, "setTypings", response); } - return { lines: lines, lineMap: lineStarts }; }; - return LineIndex; + return NodeTypingsInstaller; }()); - server.LineIndex = LineIndex; - var LineNode = (function () { - function LineNode() { - this.totalChars = 0; - this.totalLines = 0; - this.children = []; + var IOSession = (function (_super) { + __extends(IOSession, _super); + function IOSession(host, cancellationToken, installerEventPort, canUseEvents, useSingleInferredProject, disableAutomaticTypingAcquisition, globalTypingsCacheLocation, logger) { + return _super.call(this, host, cancellationToken, useSingleInferredProject, disableAutomaticTypingAcquisition + ? server.nullTypingsInstaller + : new NodeTypingsInstaller(logger, host, installerEventPort, globalTypingsCacheLocation, host.newLine), Buffer.byteLength, process.hrtime, logger, canUseEvents) || this; } - LineNode.prototype.isLeaf = function () { - return false; + IOSession.prototype.exit = function () { + this.logger.info("Exiting..."); + this.projectService.closeLog(); + process.exit(0); }; - LineNode.prototype.updateCounts = function () { - this.totalChars = 0; - this.totalLines = 0; - for (var i = 0, len = this.children.length; i < len; i++) { - var child = this.children[i]; - this.totalChars += child.charCount(); - this.totalLines += child.lineCount(); - } + IOSession.prototype.listen = function () { + var _this = this; + rl.on("line", function (input) { + var message = input.trim(); + _this.onMessage(message); + }); + rl.on("close", function () { + _this.exit(); + }); }; - LineNode.prototype.execWalk = function (rangeStart, rangeLength, walkFns, childIndex, nodeType) { - if (walkFns.pre) { - walkFns.pre(rangeStart, rangeLength, this.children[childIndex], this, nodeType); - } - if (walkFns.goSubtree) { - this.children[childIndex].walk(rangeStart, rangeLength, walkFns); - if (walkFns.post) { - walkFns.post(rangeStart, rangeLength, this.children[childIndex], this, nodeType); + return IOSession; + }(server.Session)); + function parseLoggingEnvironmentString(logEnvStr) { + var logEnv = { logToFile: true }; + var args = logEnvStr.split(" "); + for (var i = 0, len = args.length; i < (len - 1); i += 2) { + var option = args[i]; + var value = args[i + 1]; + if (option && value) { + switch (option) { + case "-file": + logEnv.file = ts.stripQuotes(value); + break; + case "-level": + var level = server.LogLevel[value]; + logEnv.detailLevel = typeof level === "number" ? level : server.LogLevel.normal; + break; + case "-traceToConsole": + logEnv.traceToConsole = value.toLowerCase() === "true"; + break; + case "-logToFile": + logEnv.logToFile = value.toLowerCase() === "true"; + break; } } - else { - walkFns.goSubtree = true; + } + return logEnv; + } + function createLoggerFromEnv() { + var fileName = undefined; + var detailLevel = server.LogLevel.normal; + var traceToConsole = false; + var logEnvStr = process.env["TSS_LOG"]; + if (logEnvStr) { + var logEnv = parseLoggingEnvironmentString(logEnvStr); + if (logEnv.logToFile) { + if (logEnv.file) { + fileName = logEnv.file; + } + else { + fileName = __dirname + "/.log" + process.pid.toString(); + } } - return walkFns.done; - }; - LineNode.prototype.skipChild = function (relativeStart, relativeLength, childIndex, walkFns, nodeType) { - if (walkFns.pre && (!walkFns.done)) { - walkFns.pre(relativeStart, relativeLength, this.children[childIndex], this, nodeType); - walkFns.goSubtree = true; + if (logEnv.detailLevel) { + detailLevel = logEnv.detailLevel; } - }; - LineNode.prototype.walk = function (rangeStart, rangeLength, walkFns) { - var childIndex = 0; - var child = this.children[0]; - var childCharCount = child.charCount(); - var adjustedStart = rangeStart; - while (adjustedStart >= childCharCount) { - this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, CharRangeSection.PreStart); - adjustedStart -= childCharCount; - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); + traceToConsole = logEnv.traceToConsole; + } + return new Logger(fileName, traceToConsole, detailLevel); + } + function createPollingWatchedFileSet(interval, chunkSize) { + if (interval === void 0) { interval = 2500; } + if (chunkSize === void 0) { chunkSize = 30; } + var watchedFiles = []; + var nextFileToCheck = 0; + var watchTimer; + function getModifiedTime(fileName) { + return fs.statSync(fileName).mtime; + } + function poll(checkedIndex) { + var watchedFile = watchedFiles[checkedIndex]; + if (!watchedFile) { + return; } - if ((adjustedStart + rangeLength) <= childCharCount) { - if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, CharRangeSection.Entire)) { - return; + fs.stat(watchedFile.fileName, function (err, stats) { + if (err) { + watchedFile.callback(watchedFile.fileName); } - } - else { - if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, CharRangeSection.Start)) { - return; + else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { + watchedFile.mtime = getModifiedTime(watchedFile.fileName); + watchedFile.callback(watchedFile.fileName, watchedFile.mtime.getTime() === 0); } - var adjustedLength = rangeLength - (childCharCount - adjustedStart); - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - while (adjustedLength > childCharCount) { - if (this.execWalk(0, childCharCount, walkFns, childIndex, CharRangeSection.Mid)) { - return; + }); + } + function startWatchTimer() { + watchTimer = setInterval(function () { + var count = 0; + var nextToCheck = nextFileToCheck; + var firstCheck = -1; + while ((count < chunkSize) && (nextToCheck !== firstCheck)) { + poll(nextToCheck); + if (firstCheck < 0) { + firstCheck = nextToCheck; } - adjustedLength -= childCharCount; - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - } - if (adjustedLength > 0) { - if (this.execWalk(0, adjustedLength, walkFns, childIndex, CharRangeSection.End)) { - return; + nextToCheck++; + if (nextToCheck === watchedFiles.length) { + nextToCheck = 0; } + count++; } + nextFileToCheck = nextToCheck; + }, interval); + } + function addFile(fileName, callback) { + var file = { + fileName: fileName, + callback: callback, + mtime: getModifiedTime(fileName) + }; + watchedFiles.push(file); + if (watchedFiles.length === 1) { + startWatchTimer(); } - if (walkFns.pre) { - var clen = this.children.length; - if (childIndex < (clen - 1)) { - for (var ej = childIndex + 1; ej < clen; ej++) { - this.skipChild(0, 0, ej, walkFns, CharRangeSection.PostEnd); + return file; + } + function removeFile(file) { + ts.unorderedRemoveItem(watchedFiles, file); + } + return { + getModifiedTime: getModifiedTime, + poll: poll, + startWatchTimer: startWatchTimer, + addFile: addFile, + removeFile: removeFile + }; + } + var pollingWatchedFileSet = createPollingWatchedFileSet(); + var logger = createLoggerFromEnv(); + var pending = []; + var canWrite = true; + function writeMessage(buf) { + if (!canWrite) { + pending.push(buf); + } + else { + canWrite = false; + process.stdout.write(buf, setCanWriteFlagAndWriteMessageIfNecessary); + } + } + function setCanWriteFlagAndWriteMessageIfNecessary() { + canWrite = true; + if (pending.length) { + writeMessage(pending.shift()); + } + } + var sys = ts.sys; + sys.write = function (s) { return writeMessage(new Buffer(s, "utf8")); }; + sys.watchFile = function (fileName, callback) { + var watchedFile = pollingWatchedFileSet.addFile(fileName, callback); + return { + close: function () { return pollingWatchedFileSet.removeFile(watchedFile); } + }; + }; + sys.setTimeout = setTimeout; + sys.clearTimeout = clearTimeout; + sys.setImmediate = setImmediate; + sys.clearImmediate = clearImmediate; + if (typeof global !== "undefined" && global.gc) { + sys.gc = function () { return global.gc(); }; + } + var cancellationToken; + try { + var factory = require("./cancellationToken"); + cancellationToken = factory(sys.args); + } + catch (e) { + cancellationToken = { + isCancellationRequested: function () { return false; } + }; + } + ; + var eventPort; + { + var index = sys.args.indexOf("--eventPort"); + if (index >= 0 && index < sys.args.length - 1) { + var v = parseInt(sys.args[index + 1]); + if (!isNaN(v)) { + eventPort = v; + } + } + } + var useSingleInferredProject = sys.args.indexOf("--useSingleInferredProject") >= 0; + var disableAutomaticTypingAcquisition = sys.args.indexOf("--disableAutomaticTypingAcquisition") >= 0; + var ioSession = new IOSession(sys, cancellationToken, eventPort, eventPort === undefined, useSingleInferredProject, disableAutomaticTypingAcquisition, getGlobalTypingsCacheLocation(), logger); + process.on("uncaughtException", function (err) { + ioSession.logError(err, "unknown"); + }); + process.noAsar = true; + ioSession.listen(); + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var debugObjectHost = (function () { return this; })(); +var ts; +(function (ts) { + function logInternalError(logger, err) { + if (logger) { + logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); + } + } + var ScriptSnapshotShimAdapter = (function () { + function ScriptSnapshotShimAdapter(scriptSnapshotShim) { + this.scriptSnapshotShim = scriptSnapshotShim; + } + ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { + return this.scriptSnapshotShim.getText(start, end); + }; + ScriptSnapshotShimAdapter.prototype.getLength = function () { + return this.scriptSnapshotShim.getLength(); + }; + ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { + var oldSnapshotShim = oldSnapshot; + var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); + if (encoded == null) { + return null; + } + var decoded = JSON.parse(encoded); + return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + }; + ScriptSnapshotShimAdapter.prototype.dispose = function () { + if ("dispose" in this.scriptSnapshotShim) { + this.scriptSnapshotShim.dispose(); + } + }; + return ScriptSnapshotShimAdapter; + }()); + var LanguageServiceShimHostAdapter = (function () { + function LanguageServiceShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.loggingEnabled = false; + this.tracingEnabled = false; + if ("getModuleResolutionsForFile" in this.shimHost) { + this.resolveModuleNames = function (moduleNames, containingFile) { + var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); + return ts.map(moduleNames, function (name) { + var result = ts.getProperty(resolutionsInFile, name); + return result ? { resolvedFileName: result } : undefined; + }); + }; + } + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + if ("getTypeReferenceDirectiveResolutionsForFile" in this.shimHost) { + this.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) { + var typeDirectivesForFile = JSON.parse(_this.shimHost.getTypeReferenceDirectiveResolutionsForFile(containingFile)); + return ts.map(typeDirectiveNames, function (name) { return ts.getProperty(typeDirectivesForFile, name); }); + }; + } + } + LanguageServiceShimHostAdapter.prototype.log = function (s) { + if (this.loggingEnabled) { + this.shimHost.log(s); + } + }; + LanguageServiceShimHostAdapter.prototype.trace = function (s) { + if (this.tracingEnabled) { + this.shimHost.trace(s); + } + }; + LanguageServiceShimHostAdapter.prototype.error = function (s) { + this.shimHost.error(s); + }; + LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { + if (!this.shimHost.getProjectVersion) { + return undefined; + } + return this.shimHost.getProjectVersion(); + }; + LanguageServiceShimHostAdapter.prototype.getTypeRootsVersion = function () { + if (!this.shimHost.getTypeRootsVersion) { + return 0; + } + return this.shimHost.getTypeRootsVersion(); + }; + LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { + return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + }; + LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { + var settingsJson = this.shimHost.getCompilationSettings(); + if (settingsJson == null || settingsJson == "") { + throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); + } + return JSON.parse(settingsJson); + }; + LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { + var encoded = this.shimHost.getScriptFileNames(); + return this.files = JSON.parse(encoded); + }; + LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { + var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); + return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + }; + LanguageServiceShimHostAdapter.prototype.getScriptKind = function (fileName) { + if ("getScriptKind" in this.shimHost) { + return this.shimHost.getScriptKind(fileName); + } + else { + return 0; + } + }; + LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { + return this.shimHost.getScriptVersion(fileName); + }; + LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { + var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); + if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { + return null; + } + try { + return JSON.parse(diagnosticMessagesJson); + } + catch (e) { + this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); + return null; + } + }; + LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { + var hostCancellationToken = this.shimHost.getCancellationToken(); + return new ThrottledCancellationToken(hostCancellationToken); + }; + LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { + return this.shimHost.getCurrentDirectory(); + }; + LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) { + return JSON.parse(this.shimHost.getDirectories(path)); + }; + LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { + return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + }; + LanguageServiceShimHostAdapter.prototype.readDirectory = function (path, extensions, exclude, include, depth) { + var pattern = ts.getFileMatcherPatterns(path, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); + return JSON.parse(this.shimHost.readDirectory(path, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + }; + LanguageServiceShimHostAdapter.prototype.readFile = function (path, encoding) { + return this.shimHost.readFile(path, encoding); + }; + LanguageServiceShimHostAdapter.prototype.fileExists = function (path) { + return this.shimHost.fileExists(path); + }; + return LanguageServiceShimHostAdapter; + }()); + ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; + var ThrottledCancellationToken = (function () { + function ThrottledCancellationToken(hostCancellationToken) { + this.hostCancellationToken = hostCancellationToken; + this.lastCancellationCheckTime = 0; + } + ThrottledCancellationToken.prototype.isCancellationRequested = function () { + var time = ts.timestamp(); + var duration = Math.abs(time - this.lastCancellationCheckTime); + if (duration > 10) { + this.lastCancellationCheckTime = time; + return this.hostCancellationToken.isCancellationRequested(); + } + return false; + }; + return ThrottledCancellationToken; + }()); + var CoreServicesShimHostAdapter = (function () { + function CoreServicesShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.useCaseSensitiveFileNames = this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + if ("realpath" in this.shimHost) { + this.realpath = function (path) { return _this.shimHost.realpath(path); }; + } + } + CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extensions, exclude, include, depth) { + try { + var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); + return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + } + catch (e) { + var results = []; + for (var _i = 0, extensions_2 = extensions; _i < extensions_2.length; _i++) { + var extension = extensions_2[_i]; + for (var _a = 0, _b = this.readDirectoryFallback(rootDir, extension, exclude); _a < _b.length; _a++) { + var file = _b[_a]; + if (!ts.contains(results, file)) { + results.push(file); } } } - }; - LineNode.prototype.charOffsetToLineNumberAndPos = function (lineNumber, charOffset) { - var childInfo = this.childFromCharOffset(lineNumber, charOffset); - if (!childInfo.child) { - return { - line: lineNumber, - offset: charOffset, - }; - } - else if (childInfo.childIndex < this.children.length) { - if (childInfo.child.isLeaf()) { - return { - line: childInfo.lineNumber, - offset: childInfo.charOffset, - text: (childInfo.child).text, - leaf: (childInfo.child) - }; - } - else { - var lineNode = (childInfo.child); - return lineNode.charOffsetToLineNumberAndPos(childInfo.lineNumber, childInfo.charOffset); - } - } - else { - var lineInfo = this.lineNumberToInfo(this.lineCount(), 0); - return { line: this.lineCount(), offset: lineInfo.leaf.charCount() }; - } - }; - LineNode.prototype.lineNumberToInfo = function (lineNumber, charOffset) { - var childInfo = this.childFromLineNumber(lineNumber, charOffset); - if (!childInfo.child) { - return { - line: lineNumber, - offset: charOffset - }; - } - else if (childInfo.child.isLeaf()) { - return { - line: lineNumber, - offset: childInfo.charOffset, - text: (childInfo.child).text, - leaf: (childInfo.child) - }; - } - else { - var lineNode = (childInfo.child); - return lineNode.lineNumberToInfo(childInfo.relativeLineNumber, childInfo.charOffset); - } - }; - LineNode.prototype.childFromLineNumber = function (lineNumber, charOffset) { - var child; - var relativeLineNumber = lineNumber; - var i; - var len; - for (i = 0, len = this.children.length; i < len; i++) { - child = this.children[i]; - var childLineCount = child.lineCount(); - if (childLineCount >= relativeLineNumber) { - break; - } - else { - relativeLineNumber -= childLineCount; - charOffset += child.charCount(); - } - } - return { - child: child, - childIndex: i, - relativeLineNumber: relativeLineNumber, - charOffset: charOffset - }; - }; - LineNode.prototype.childFromCharOffset = function (lineNumber, charOffset) { - var child; - var i; - var len; - for (i = 0, len = this.children.length; i < len; i++) { - child = this.children[i]; - if (child.charCount() > charOffset) { - break; - } - else { - charOffset -= child.charCount(); - lineNumber += child.lineCount(); - } - } - return { - child: child, - childIndex: i, - charOffset: charOffset, - lineNumber: lineNumber - }; - }; - LineNode.prototype.splitAfter = function (childIndex) { - var splitNode; - var clen = this.children.length; - childIndex++; - var endLength = childIndex; - if (childIndex < clen) { - splitNode = new LineNode(); - while (childIndex < clen) { - splitNode.add(this.children[childIndex]); - childIndex++; - } - splitNode.updateCounts(); - } - this.children.length = endLength; - return splitNode; - }; - LineNode.prototype.remove = function (child) { - var childIndex = this.findChildIndex(child); - var clen = this.children.length; - if (childIndex < (clen - 1)) { - for (var i = childIndex; i < (clen - 1); i++) { - this.children[i] = this.children[i + 1]; - } - } - this.children.length--; - }; - LineNode.prototype.findChildIndex = function (child) { - var childIndex = 0; - var clen = this.children.length; - while ((this.children[childIndex] !== child) && (childIndex < clen)) - childIndex++; - return childIndex; - }; - LineNode.prototype.insertAt = function (child, nodes) { - var childIndex = this.findChildIndex(child); - var clen = this.children.length; - var nodeCount = nodes.length; - if ((clen < lineCollectionCapacity) && (childIndex === (clen - 1)) && (nodeCount === 1)) { - this.add(nodes[0]); - this.updateCounts(); - return []; - } - else { - var shiftNode = this.splitAfter(childIndex); - var nodeIndex = 0; - childIndex++; - while ((childIndex < lineCollectionCapacity) && (nodeIndex < nodeCount)) { - this.children[childIndex] = nodes[nodeIndex]; - childIndex++; - nodeIndex++; - } - var splitNodes = []; - var splitNodeCount = 0; - if (nodeIndex < nodeCount) { - splitNodeCount = Math.ceil((nodeCount - nodeIndex) / lineCollectionCapacity); - splitNodes = new Array(splitNodeCount); - var splitNodeIndex = 0; - for (var i = 0; i < splitNodeCount; i++) { - splitNodes[i] = new LineNode(); - } - var splitNode = splitNodes[0]; - while (nodeIndex < nodeCount) { - splitNode.add(nodes[nodeIndex]); - nodeIndex++; - if (splitNode.children.length === lineCollectionCapacity) { - splitNodeIndex++; - splitNode = splitNodes[splitNodeIndex]; - } - } - for (var i = splitNodes.length - 1; i >= 0; i--) { - if (splitNodes[i].children.length === 0) { - splitNodes.length--; - } - } - } - if (shiftNode) { - splitNodes[splitNodes.length] = shiftNode; - } - this.updateCounts(); - for (var i = 0; i < splitNodeCount; i++) { - splitNodes[i].updateCounts(); - } - return splitNodes; + return results; + } + }; + CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { + return this.shimHost.fileExists(fileName); + }; + CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { + return this.shimHost.readFile(fileName); + }; + CoreServicesShimHostAdapter.prototype.readDirectoryFallback = function (rootDir, extension, exclude) { + return JSON.parse(this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude))); + }; + CoreServicesShimHostAdapter.prototype.getDirectories = function (path) { + return JSON.parse(this.shimHost.getDirectories(path)); + }; + return CoreServicesShimHostAdapter; + }()); + ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; + function simpleForwardCall(logger, actionDescription, action, logPerformance) { + var start; + if (logPerformance) { + logger.log(actionDescription); + start = ts.timestamp(); + } + var result = action(); + if (logPerformance) { + var end = ts.timestamp(); + logger.log(actionDescription + " completed in " + (end - start) + " msec"); + if (typeof result === "string") { + var str = result; + if (str.length > 128) { + str = str.substring(0, 128) + "..."; } - }; - LineNode.prototype.add = function (collection) { - this.children[this.children.length] = collection; - return (this.children.length < lineCollectionCapacity); - }; - LineNode.prototype.charCount = function () { - return this.totalChars; - }; - LineNode.prototype.lineCount = function () { - return this.totalLines; - }; - return LineNode; - }()); - server.LineNode = LineNode; - var LineLeaf = (function () { - function LineLeaf(text) { - this.text = text; + logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); } - LineLeaf.prototype.isLeaf = function () { - return true; - }; - LineLeaf.prototype.walk = function (rangeStart, rangeLength, walkFns) { - walkFns.leaf(rangeStart, rangeLength, this); - }; - LineLeaf.prototype.charCount = function () { - return this.text.length; - }; - LineLeaf.prototype.lineCount = function () { - return 1; - }; - return LineLeaf; - }()); - server.LineLeaf = LineLeaf; - })(server = ts.server || (ts.server = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var server; - (function (server) { - var net = require("net"); - var childProcess = require("child_process"); - var os = require("os"); - function getGlobalTypingsCacheLocation() { - var basePath; - switch (process.platform) { - case "win32": - basePath = process.env.LOCALAPPDATA || process.env.APPDATA || os.homedir(); - break; - case "linux": - basePath = os.homedir(); - break; - case "darwin": - basePath = ts.combinePaths(os.homedir(), "Library/Application Support/"); - break; + } + return result; + } + function forwardJSONCall(logger, actionDescription, action, logPerformance) { + return forwardCall(logger, actionDescription, true, action, logPerformance); + } + function forwardCall(logger, actionDescription, returnJson, action, logPerformance) { + try { + var result = simpleForwardCall(logger, actionDescription, action, logPerformance); + return returnJson ? JSON.stringify({ result: result }) : result; + } + catch (err) { + if (err instanceof ts.OperationCanceledException) { + return JSON.stringify({ canceled: true }); } - ts.Debug.assert(basePath !== undefined); - return ts.combinePaths(ts.normalizeSlashes(basePath), "Microsoft/TypeScript"); + logInternalError(logger, err); + err.description = actionDescription; + return JSON.stringify({ error: err }); + } + } + var ShimBase = (function () { + function ShimBase(factory) { + this.factory = factory; + factory.registerShim(this); + } + ShimBase.prototype.dispose = function (_dummy) { + this.factory.unregisterShim(this); + }; + return ShimBase; + }()); + function realizeDiagnostics(diagnostics, newLine) { + return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + } + ts.realizeDiagnostics = realizeDiagnostics; + function realizeDiagnostic(diagnostic, newLine) { + return { + message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), + start: diagnostic.start, + length: diagnostic.length, + category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), + code: diagnostic.code + }; + } + var LanguageServiceShimObject = (function (_super) { + __extends(LanguageServiceShimObject, _super); + function LanguageServiceShimObject(factory, host, languageService) { + var _this = _super.call(this, factory) || this; + _this.host = host; + _this.languageService = languageService; + _this.logPerformance = false; + _this.logger = _this.host; + return _this; + } + LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + LanguageServiceShimObject.prototype.dispose = function (dummy) { + this.logger.log("dispose()"); + this.languageService.dispose(); + this.languageService = null; + if (debugObjectHost && debugObjectHost.CollectGarbage) { + debugObjectHost.CollectGarbage(); + this.logger.log("CollectGarbage()"); + } + this.logger = null; + _super.prototype.dispose.call(this, dummy); + }; + LanguageServiceShimObject.prototype.refresh = function (throwOnError) { + this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); + }; + LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { + var _this = this; + this.forwardJSONCall("cleanupSemanticCache()", function () { + _this.languageService.cleanupSemanticCache(); + return null; + }); + }; + LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { + var newLine = ts.getNewLineOrDefaultFromHost(this.host); + return ts.realizeDiagnostics(diagnostics, newLine); + }; + LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { + var _this = this; + return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { + var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { + var _this = this; + return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); + }; + LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getImplementationAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getImplementationAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getImplementationAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { + var _this = this; + return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); + }; + LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.isValidBraceCompletionAtPosition = function (fileName, position, openingBrace) { + var _this = this; + return this.forwardJSONCall("isValidBraceCompletionAtPosition('" + fileName + "', " + position + ", " + openingBrace + ")", function () { return _this.languageService.isValidBraceCompletionAtPosition(fileName, position, openingBrace); }); + }; + LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options) { + var _this = this; + return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { + var _this = this; + return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { + var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); + var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); + return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); + }); + }; + LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { + var _this = this; + return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount, fileName) { + var _this = this; + return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ", " + fileName + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount, fileName); }); + }; + LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); + }; + LanguageServiceShimObject.prototype.getNavigationTree = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationTree('" + fileName + "')", function () { return _this.languageService.getNavigationTree(fileName); }); + }; + LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { + var _this = this; + return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); + }; + LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { + var _this = this; + return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + }; + LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { + var _this = this; + return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); + }; + LanguageServiceShimObject.prototype.getEmitOutputObject = function (fileName) { + var _this = this; + return forwardCall(this.logger, "getEmitOutput('" + fileName + "')", false, function () { return _this.languageService.getEmitOutput(fileName); }, this.logPerformance); + }; + return LanguageServiceShimObject; + }(ShimBase)); + function convertClassifications(classifications) { + return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; + } + var ClassifierShimObject = (function (_super) { + __extends(ClassifierShimObject, _super); + function ClassifierShimObject(factory, logger) { + var _this = _super.call(this, factory) || this; + _this.logger = logger; + _this.logPerformance = false; + _this.classifier = ts.createClassifier(); + return _this; } - var readline = require("readline"); - var fs = require("fs"); - var rl = readline.createInterface({ - input: process.stdin, - output: process.stdout, - terminal: false, - }); - var Logger = (function () { - function Logger(logFilename, traceToConsole, level) { - this.logFilename = logFilename; - this.traceToConsole = traceToConsole; - this.level = level; - this.fd = -1; - this.seq = 0; - this.inGroup = false; - this.firstInGroup = true; - } - Logger.padStringRight = function (str, padding) { - return (str + padding).slice(0, padding.length); - }; - Logger.prototype.close = function () { - if (this.fd >= 0) { - fs.close(this.fd); - } - }; - Logger.prototype.getLogFileName = function () { - return this.logFilename; - }; - Logger.prototype.perftrc = function (s) { - this.msg(s, server.Msg.Perf); - }; - Logger.prototype.info = function (s) { - this.msg(s, server.Msg.Info); - }; - Logger.prototype.startGroup = function () { - this.inGroup = true; - this.firstInGroup = true; - }; - Logger.prototype.endGroup = function () { - this.inGroup = false; - this.seq++; - this.firstInGroup = true; - }; - Logger.prototype.loggingEnabled = function () { - return !!this.logFilename || this.traceToConsole; - }; - Logger.prototype.hasLevel = function (level) { - return this.loggingEnabled() && this.level >= level; - }; - Logger.prototype.msg = function (s, type) { - if (type === void 0) { type = server.Msg.Err; } - if (this.fd < 0) { - if (this.logFilename) { - this.fd = fs.openSync(this.logFilename, "w"); - } - } - if (this.fd >= 0 || this.traceToConsole) { - s = s + "\n"; - var prefix = Logger.padStringRight(type + " " + this.seq.toString(), " "); - if (this.firstInGroup) { - s = prefix + s; - this.firstInGroup = false; - } - if (!this.inGroup) { - this.seq++; - this.firstInGroup = true; - } - if (this.fd >= 0) { - var buf = new Buffer(s); - fs.writeSync(this.fd, buf, 0, buf.length, null); - } - if (this.traceToConsole) { - console.warn(s); - } - } - }; - return Logger; - }()); - var NodeTypingsInstaller = (function () { - function NodeTypingsInstaller(logger, eventPort, globalTypingsCacheLocation, newLine) { - var _this = this; - this.logger = logger; - this.globalTypingsCacheLocation = globalTypingsCacheLocation; - this.newLine = newLine; - if (eventPort) { - var s_1 = net.connect({ port: eventPort }, function () { - _this.socket = s_1; - }); - } + ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { + var _this = this; + return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); + }; + ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { + var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); + var result = ""; + for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { + var item = _a[_i]; + result += item.length + "\n"; + result += item.classification + "\n"; } - NodeTypingsInstaller.prototype.attach = function (projectService) { - var _this = this; - this.projectService = projectService; - if (this.logger.hasLevel(server.LogLevel.requestTime)) { - this.logger.info("Binding..."); - } - var args = ["--globalTypingsCacheLocation", this.globalTypingsCacheLocation]; - if (this.logger.loggingEnabled() && this.logger.getLogFileName()) { - args.push("--logFile", ts.combinePaths(ts.getDirectoryPath(ts.normalizeSlashes(this.logger.getLogFileName())), "ti-" + process.pid + ".log")); - } - var execArgv = []; - { - for (var _i = 0, _a = process.execArgv; _i < _a.length; _i++) { - var arg = _a[_i]; - var match = /^--(debug|inspect)(=(\d+))?$/.exec(arg); - if (match) { - var currentPort = match[3] !== undefined - ? +match[3] - : match[1] === "debug" ? 5858 : 9229; - execArgv.push("--" + match[1] + "=" + (currentPort + 1)); - break; - } - } - } - this.installer = childProcess.fork(ts.combinePaths(__dirname, "typingsInstaller.js"), args, { execArgv: execArgv }); - this.installer.on("message", function (m) { return _this.handleMessage(m); }); - process.on("exit", function () { - _this.installer.kill(); - }); - }; - NodeTypingsInstaller.prototype.onProjectClosed = function (p) { - this.installer.send({ projectName: p.getProjectName(), kind: "closeProject" }); - }; - NodeTypingsInstaller.prototype.enqueueInstallTypingsRequest = function (project, typingOptions) { - var request = server.createInstallTypingsRequest(project, typingOptions); - if (this.logger.hasLevel(server.LogLevel.verbose)) { - this.logger.info("Sending request: " + JSON.stringify(request)); - } - this.installer.send(request); - }; - NodeTypingsInstaller.prototype.handleMessage = function (response) { - if (this.logger.hasLevel(server.LogLevel.verbose)) { - this.logger.info("Received response: " + JSON.stringify(response)); - } - this.projectService.updateTypingsForProject(response); - if (response.kind == "set" && this.socket) { - this.socket.write(server.formatMessage({ seq: 0, type: "event", message: response }, this.logger, Buffer.byteLength, this.newLine), "utf8"); - } - }; - return NodeTypingsInstaller; - }()); - var IOSession = (function (_super) { - __extends(IOSession, _super); - function IOSession(host, cancellationToken, installerEventPort, canUseEvents, useSingleInferredProject, disableAutomaticTypingAcquisition, globalTypingsCacheLocation, logger) { - return _super.call(this, host, cancellationToken, useSingleInferredProject, disableAutomaticTypingAcquisition - ? server.nullTypingsInstaller - : new NodeTypingsInstaller(logger, installerEventPort, globalTypingsCacheLocation, host.newLine), Buffer.byteLength, process.hrtime, logger, canUseEvents) || this; + result += classification.finalLexState; + return result; + }; + return ClassifierShimObject; + }(ShimBase)); + var CoreServicesShimObject = (function (_super) { + __extends(CoreServicesShimObject, _super); + function CoreServicesShimObject(factory, logger, host) { + var _this = _super.call(this, factory) || this; + _this.logger = logger; + _this.host = host; + _this.logPerformance = false; + return _this; + } + CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); + return { + resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, + failedLookupLocations: result.failedLookupLocations + }; + }); + }; + CoreServicesShimObject.prototype.resolveTypeReferenceDirective = function (fileName, typeReferenceDirective, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveTypeReferenceDirective(" + fileName + ")", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveTypeReferenceDirective(typeReferenceDirective, ts.normalizeSlashes(fileName), compilerOptions, _this.host); + return { + resolvedFileName: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.resolvedFileName : undefined, + primary: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.primary : true, + failedLookupLocations: result.failedLookupLocations + }; + }); + }; + CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { + var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), true, true); + return { + referencedFiles: _this.convertFileReferences(result.referencedFiles), + importedFiles: _this.convertFileReferences(result.importedFiles), + ambientExternalModules: result.ambientExternalModules, + isLibFile: result.isLibFile, + typeReferenceDirectives: _this.convertFileReferences(result.typeReferenceDirectives) + }; + }); + }; + CoreServicesShimObject.prototype.getAutomaticTypeDirectiveNames = function (compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("getAutomaticTypeDirectiveNames('" + compilerOptionsJson + "')", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + return ts.getAutomaticTypeDirectiveNames(compilerOptions, _this.host); + }); + }; + CoreServicesShimObject.prototype.convertFileReferences = function (refs) { + if (!refs) { + return undefined; } - IOSession.prototype.exit = function () { - this.logger.info("Exiting..."); - this.projectService.closeLog(); - process.exit(0); - }; - IOSession.prototype.listen = function () { - var _this = this; - rl.on("line", function (input) { - var message = input.trim(); - _this.onMessage(message); - }); - rl.on("close", function () { - _this.exit(); + var result = []; + for (var _i = 0, refs_2 = refs; _i < refs_2.length; _i++) { + var ref = refs_2[_i]; + result.push({ + path: ts.normalizeSlashes(ref.fileName), + position: ref.pos, + length: ref.end - ref.pos }); - }; - return IOSession; - }(server.Session)); - function parseLoggingEnvironmentString(logEnvStr) { - var logEnv = { logToFile: true }; - var args = logEnvStr.split(" "); - for (var i = 0, len = args.length; i < (len - 1); i += 2) { - var option = args[i]; - var value = args[i + 1]; - if (option && value) { - switch (option) { - case "-file": - logEnv.file = ts.stripQuotes(value); - break; - case "-level": - var level = server.LogLevel[value]; - logEnv.detailLevel = typeof level === "number" ? level : server.LogLevel.normal; - break; - case "-traceToConsole": - logEnv.traceToConsole = value.toLowerCase() === "true"; - break; - case "-logToFile": - logEnv.logToFile = value.toLowerCase() === "true"; - break; - } - } } - return logEnv; - } - function createLoggerFromEnv() { - var fileName = undefined; - var detailLevel = server.LogLevel.normal; - var traceToConsole = false; - var logEnvStr = process.env["TSS_LOG"]; - if (logEnvStr) { - var logEnv = parseLoggingEnvironmentString(logEnvStr); - if (logEnv.logToFile) { - if (logEnv.file) { - fileName = logEnv.file; - } - else { - fileName = __dirname + "/.log" + process.pid.toString(); - } - } - if (logEnv.detailLevel) { - detailLevel = logEnv.detailLevel; + return result; + }; + CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { + var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); + var result = ts.parseConfigFileTextToJson(fileName, text); + if (result.error) { + return { + options: {}, + typingOptions: {}, + files: [], + raw: {}, + errors: [realizeDiagnostic(result.error, "\r\n")] + }; } - traceToConsole = logEnv.traceToConsole; - } - return new Logger(fileName, traceToConsole, detailLevel); + var normalizedFileName = ts.normalizeSlashes(fileName); + var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName); + return { + options: configFile.options, + typingOptions: configFile.typingOptions, + files: configFile.fileNames, + raw: configFile.raw, + errors: realizeDiagnostics(configFile.errors, "\r\n") + }; + }); + }; + CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { + return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); + }; + CoreServicesShimObject.prototype.discoverTypings = function (discoverTypingsJson) { + var _this = this; + var getCanonicalFileName = ts.createGetCanonicalFileName(false); + return this.forwardJSONCall("discoverTypings()", function () { + var info = JSON.parse(discoverTypingsJson); + return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions, info.unresolvedImports); + }); + }; + return CoreServicesShimObject; + }(ShimBase)); + var TypeScriptServicesFactory = (function () { + function TypeScriptServicesFactory() { + this._shims = []; } - function createPollingWatchedFileSet(interval, chunkSize) { - if (interval === void 0) { interval = 2500; } - if (chunkSize === void 0) { chunkSize = 30; } - var watchedFiles = []; - var nextFileToCheck = 0; - var watchTimer; - function getModifiedTime(fileName) { - return fs.statSync(fileName).mtime; - } - function poll(checkedIndex) { - var watchedFile = watchedFiles[checkedIndex]; - if (!watchedFile) { - return; + TypeScriptServicesFactory.prototype.getServicesVersion = function () { + return ts.servicesVersion; + }; + TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { + try { + if (this.documentRegistry === undefined) { + this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } - fs.stat(watchedFile.fileName, function (err, stats) { - if (err) { - watchedFile.callback(watchedFile.fileName); - } - else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { - watchedFile.mtime = getModifiedTime(watchedFile.fileName); - watchedFile.callback(watchedFile.fileName, watchedFile.mtime.getTime() === 0); - } - }); - } - function startWatchTimer() { - watchTimer = setInterval(function () { - var count = 0; - var nextToCheck = nextFileToCheck; - var firstCheck = -1; - while ((count < chunkSize) && (nextToCheck !== firstCheck)) { - poll(nextToCheck); - if (firstCheck < 0) { - firstCheck = nextToCheck; - } - nextToCheck++; - if (nextToCheck === watchedFiles.length) { - nextToCheck = 0; - } - count++; - } - nextFileToCheck = nextToCheck; - }, interval); + var hostAdapter = new LanguageServiceShimHostAdapter(host); + var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); + return new LanguageServiceShimObject(this, host, languageService); } - function addFile(fileName, callback) { - var file = { - fileName: fileName, - callback: callback, - mtime: getModifiedTime(fileName) - }; - watchedFiles.push(file); - if (watchedFiles.length === 1) { - startWatchTimer(); - } - return file; + catch (err) { + logInternalError(host, err); + throw err; } - function removeFile(file) { - ts.unorderedRemoveItem(watchedFiles, file); + }; + TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { + try { + return new ClassifierShimObject(this, logger); } - return { - getModifiedTime: getModifiedTime, - poll: poll, - startWatchTimer: startWatchTimer, - addFile: addFile, - removeFile: removeFile - }; - } - var pollingWatchedFileSet = createPollingWatchedFileSet(); - var logger = createLoggerFromEnv(); - var pending = []; - var canWrite = true; - function writeMessage(buf) { - if (!canWrite) { - pending.push(buf); + catch (err) { + logInternalError(logger, err); + throw err; } - else { - canWrite = false; - process.stdout.write(buf, setCanWriteFlagAndWriteMessageIfNecessary); + }; + TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { + try { + var adapter = new CoreServicesShimHostAdapter(host); + return new CoreServicesShimObject(this, host, adapter); } - } - function setCanWriteFlagAndWriteMessageIfNecessary() { - canWrite = true; - if (pending.length) { - writeMessage(pending.shift()); + catch (err) { + logInternalError(host, err); + throw err; } - } - var sys = ts.sys; - sys.write = function (s) { return writeMessage(new Buffer(s, "utf8")); }; - sys.watchFile = function (fileName, callback) { - var watchedFile = pollingWatchedFileSet.addFile(fileName, callback); - return { - close: function () { return pollingWatchedFileSet.removeFile(watchedFile); } - }; }; - sys.setTimeout = setTimeout; - sys.clearTimeout = clearTimeout; - sys.setImmediate = setImmediate; - sys.clearImmediate = clearImmediate; - if (typeof global !== "undefined" && global.gc) { - sys.gc = function () { return global.gc(); }; - } - var cancellationToken; - try { - var factory = require("./cancellationToken"); - cancellationToken = factory(sys.args); - } - catch (e) { - cancellationToken = { - isCancellationRequested: function () { return false; } - }; - } - ; - var eventPort; - { - var index = sys.args.indexOf("--eventPort"); - if (index >= 0 && index < sys.args.length - 1) { - var v = parseInt(sys.args[index + 1]); - if (!isNaN(v)) { - eventPort = v; + TypeScriptServicesFactory.prototype.close = function () { + this._shims = []; + this.documentRegistry = undefined; + }; + TypeScriptServicesFactory.prototype.registerShim = function (shim) { + this._shims.push(shim); + }; + TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { + for (var i = 0, n = this._shims.length; i < n; i++) { + if (this._shims[i] === shim) { + delete this._shims[i]; + return; } } - } - var useSingleInferredProject = sys.args.indexOf("--useSingleInferredProject") >= 0; - var disableAutomaticTypingAcquisition = sys.args.indexOf("--disableAutomaticTypingAcquisition") >= 0; - var ioSession = new IOSession(sys, cancellationToken, eventPort, eventPort === undefined, useSingleInferredProject, disableAutomaticTypingAcquisition, getGlobalTypingsCacheLocation(), logger); - process.on("uncaughtException", function (err) { - ioSession.logError(err, "unknown"); - }); - process.noAsar = true; - ioSession.listen(); - })(server = ts.server || (ts.server = {})); + throw new Error("Invalid operation"); + }; + return TypeScriptServicesFactory; + }()); + ts.TypeScriptServicesFactory = TypeScriptServicesFactory; + if (typeof module !== "undefined" && module.exports) { + module.exports = ts; + } })(ts || (ts = {})); - -//# sourceMappingURL=tsserver.js.map +var TypeScript; +(function (TypeScript) { + var Services; + (function (Services) { + Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; + })(Services = TypeScript.Services || (TypeScript.Services = {})); +})(TypeScript || (TypeScript = {})); +var toolsVersion = "2.1"; diff --git a/lib/tsserverlibrary.d.ts b/lib/tsserverlibrary.d.ts index 63580ce8dcd7f..bf51de311470a 100644 --- a/lib/tsserverlibrary.d.ts +++ b/lib/tsserverlibrary.d.ts @@ -1,3252 +1,9664 @@ -/*! ***************************************************************************** -Copyright (c) Microsoft Corporation. All rights reserved. -Licensed under the Apache License, Version 2.0 (the "License"); you may not use -this file except in compliance with the License. You may obtain a copy of the -License at http://www.apache.org/licenses/LICENSE-2.0 - -THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY -KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED -WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, -MERCHANTABLITY OR NON-INFRINGEMENT. - -See the Apache Version 2.0 License for specific language governing permissions -and limitations under the License. -***************************************************************************** */ - /// /// -declare namespace ts { - interface MapLike { - [index: string]: T; +declare namespace ts.server.protocol { + namespace CommandTypes { + type Brace = "brace"; + type BraceFull = "brace-full"; + type BraceCompletion = "braceCompletion"; + type Change = "change"; + type Close = "close"; + type Completions = "completions"; + type CompletionsFull = "completions-full"; + type CompletionDetails = "completionEntryDetails"; + type CompileOnSaveAffectedFileList = "compileOnSaveAffectedFileList"; + type CompileOnSaveEmitFile = "compileOnSaveEmitFile"; + type Configure = "configure"; + type Definition = "definition"; + type DefinitionFull = "definition-full"; + type Implementation = "implementation"; + type ImplementationFull = "implementation-full"; + type Exit = "exit"; + type Format = "format"; + type Formatonkey = "formatonkey"; + type FormatFull = "format-full"; + type FormatonkeyFull = "formatonkey-full"; + type FormatRangeFull = "formatRange-full"; + type Geterr = "geterr"; + type GeterrForProject = "geterrForProject"; + type SemanticDiagnosticsSync = "semanticDiagnosticsSync"; + type SyntacticDiagnosticsSync = "syntacticDiagnosticsSync"; + type NavBar = "navbar"; + type NavBarFull = "navbar-full"; + type Navto = "navto"; + type NavtoFull = "navto-full"; + type NavTree = "navtree"; + type NavTreeFull = "navtree-full"; + type Occurrences = "occurrences"; + type DocumentHighlights = "documentHighlights"; + type DocumentHighlightsFull = "documentHighlights-full"; + type Open = "open"; + type Quickinfo = "quickinfo"; + type QuickinfoFull = "quickinfo-full"; + type References = "references"; + type ReferencesFull = "references-full"; + type Reload = "reload"; + type Rename = "rename"; + type RenameInfoFull = "rename-full"; + type RenameLocationsFull = "renameLocations-full"; + type Saveto = "saveto"; + type SignatureHelp = "signatureHelp"; + type SignatureHelpFull = "signatureHelp-full"; + type TypeDefinition = "typeDefinition"; + type ProjectInfo = "projectInfo"; + type ReloadProjects = "reloadProjects"; + type Unknown = "unknown"; + type OpenExternalProject = "openExternalProject"; + type OpenExternalProjects = "openExternalProjects"; + type CloseExternalProject = "closeExternalProject"; + type SynchronizeProjectList = "synchronizeProjectList"; + type ApplyChangedToOpenFiles = "applyChangedToOpenFiles"; + type EncodedSemanticClassificationsFull = "encodedSemanticClassifications-full"; + type Cleanup = "cleanup"; + type OutliningSpans = "outliningSpans"; + type TodoComments = "todoComments"; + type Indentation = "indentation"; + type DocCommentTemplate = "docCommentTemplate"; + type CompilerOptionsDiagnosticsFull = "compilerOptionsDiagnostics-full"; + type NameOrDottedNameSpan = "nameOrDottedNameSpan"; + type BreakpointStatement = "breakpointStatement"; + type CompilerOptionsForInferredProjects = "compilerOptionsForInferredProjects"; + type GetCodeFixes = "getCodeFixes"; + type GetCodeFixesFull = "getCodeFixes-full"; + type GetSupportedCodeFixes = "getSupportedCodeFixes"; } - interface Map extends MapLike { - __mapBrand: any; + interface Message { + seq: number; + type: "request" | "response" | "event"; } - type Path = string & { - __pathBrand: any; - }; - interface FileMap { - get(fileName: Path): T; - set(fileName: Path, value: T): void; - contains(fileName: Path): boolean; - remove(fileName: Path): void; - forEachValue(f: (key: Path, v: T) => void): void; - getKeys(): Path[]; - clear(): void; + interface Request extends Message { + command: string; + arguments?: any; } - interface TextRange { - pos: number; - end: number; + interface ReloadProjectsRequest extends Message { + command: CommandTypes.ReloadProjects; } - const enum SyntaxKind { - Unknown = 0, - EndOfFileToken = 1, - SingleLineCommentTrivia = 2, - MultiLineCommentTrivia = 3, - NewLineTrivia = 4, - WhitespaceTrivia = 5, - ShebangTrivia = 6, - ConflictMarkerTrivia = 7, - NumericLiteral = 8, - StringLiteral = 9, - JsxText = 10, - RegularExpressionLiteral = 11, - NoSubstitutionTemplateLiteral = 12, - TemplateHead = 13, - TemplateMiddle = 14, - TemplateTail = 15, - OpenBraceToken = 16, - CloseBraceToken = 17, - OpenParenToken = 18, - CloseParenToken = 19, - OpenBracketToken = 20, - CloseBracketToken = 21, - DotToken = 22, - DotDotDotToken = 23, - SemicolonToken = 24, - CommaToken = 25, - LessThanToken = 26, - LessThanSlashToken = 27, - GreaterThanToken = 28, - LessThanEqualsToken = 29, - GreaterThanEqualsToken = 30, - EqualsEqualsToken = 31, - ExclamationEqualsToken = 32, - EqualsEqualsEqualsToken = 33, - ExclamationEqualsEqualsToken = 34, - EqualsGreaterThanToken = 35, - PlusToken = 36, - MinusToken = 37, - AsteriskToken = 38, - AsteriskAsteriskToken = 39, - SlashToken = 40, - PercentToken = 41, - PlusPlusToken = 42, - MinusMinusToken = 43, - LessThanLessThanToken = 44, - GreaterThanGreaterThanToken = 45, - GreaterThanGreaterThanGreaterThanToken = 46, - AmpersandToken = 47, - BarToken = 48, - CaretToken = 49, - ExclamationToken = 50, - TildeToken = 51, - AmpersandAmpersandToken = 52, - BarBarToken = 53, - QuestionToken = 54, - ColonToken = 55, - AtToken = 56, - EqualsToken = 57, - PlusEqualsToken = 58, - MinusEqualsToken = 59, - AsteriskEqualsToken = 60, - AsteriskAsteriskEqualsToken = 61, - SlashEqualsToken = 62, - PercentEqualsToken = 63, - LessThanLessThanEqualsToken = 64, - GreaterThanGreaterThanEqualsToken = 65, - GreaterThanGreaterThanGreaterThanEqualsToken = 66, - AmpersandEqualsToken = 67, - BarEqualsToken = 68, - CaretEqualsToken = 69, - Identifier = 70, - BreakKeyword = 71, - CaseKeyword = 72, - CatchKeyword = 73, - ClassKeyword = 74, - ConstKeyword = 75, - ContinueKeyword = 76, - DebuggerKeyword = 77, - DefaultKeyword = 78, - DeleteKeyword = 79, - DoKeyword = 80, - ElseKeyword = 81, - EnumKeyword = 82, - ExportKeyword = 83, - ExtendsKeyword = 84, - FalseKeyword = 85, - FinallyKeyword = 86, - ForKeyword = 87, - FunctionKeyword = 88, - IfKeyword = 89, - ImportKeyword = 90, - InKeyword = 91, - InstanceOfKeyword = 92, - NewKeyword = 93, - NullKeyword = 94, - ReturnKeyword = 95, - SuperKeyword = 96, - SwitchKeyword = 97, - ThisKeyword = 98, - ThrowKeyword = 99, - TrueKeyword = 100, - TryKeyword = 101, - TypeOfKeyword = 102, - VarKeyword = 103, - VoidKeyword = 104, - WhileKeyword = 105, - WithKeyword = 106, - ImplementsKeyword = 107, - InterfaceKeyword = 108, - LetKeyword = 109, - PackageKeyword = 110, - PrivateKeyword = 111, - ProtectedKeyword = 112, - PublicKeyword = 113, - StaticKeyword = 114, - YieldKeyword = 115, - AbstractKeyword = 116, - AsKeyword = 117, - AnyKeyword = 118, - AsyncKeyword = 119, - AwaitKeyword = 120, - BooleanKeyword = 121, - ConstructorKeyword = 122, - DeclareKeyword = 123, - GetKeyword = 124, - IsKeyword = 125, - ModuleKeyword = 126, - NamespaceKeyword = 127, - NeverKeyword = 128, - ReadonlyKeyword = 129, - RequireKeyword = 130, - NumberKeyword = 131, - SetKeyword = 132, - StringKeyword = 133, - SymbolKeyword = 134, - TypeKeyword = 135, - UndefinedKeyword = 136, - FromKeyword = 137, - GlobalKeyword = 138, - OfKeyword = 139, - QualifiedName = 140, - ComputedPropertyName = 141, - TypeParameter = 142, - Parameter = 143, - Decorator = 144, - PropertySignature = 145, - PropertyDeclaration = 146, - MethodSignature = 147, - MethodDeclaration = 148, - Constructor = 149, - GetAccessor = 150, - SetAccessor = 151, - CallSignature = 152, - ConstructSignature = 153, - IndexSignature = 154, - TypePredicate = 155, - TypeReference = 156, - FunctionType = 157, - ConstructorType = 158, - TypeQuery = 159, - TypeLiteral = 160, - ArrayType = 161, - TupleType = 162, - UnionType = 163, - IntersectionType = 164, - ParenthesizedType = 165, - ThisType = 166, - LiteralType = 167, - ObjectBindingPattern = 168, - ArrayBindingPattern = 169, - BindingElement = 170, - ArrayLiteralExpression = 171, - ObjectLiteralExpression = 172, - PropertyAccessExpression = 173, - ElementAccessExpression = 174, - CallExpression = 175, - NewExpression = 176, - TaggedTemplateExpression = 177, - TypeAssertionExpression = 178, - ParenthesizedExpression = 179, - FunctionExpression = 180, - ArrowFunction = 181, - DeleteExpression = 182, - TypeOfExpression = 183, - VoidExpression = 184, - AwaitExpression = 185, - PrefixUnaryExpression = 186, - PostfixUnaryExpression = 187, - BinaryExpression = 188, - ConditionalExpression = 189, - TemplateExpression = 190, - YieldExpression = 191, - SpreadElementExpression = 192, - ClassExpression = 193, - OmittedExpression = 194, - ExpressionWithTypeArguments = 195, - AsExpression = 196, - NonNullExpression = 197, - TemplateSpan = 198, - SemicolonClassElement = 199, - Block = 200, - VariableStatement = 201, - EmptyStatement = 202, - ExpressionStatement = 203, - IfStatement = 204, - DoStatement = 205, - WhileStatement = 206, - ForStatement = 207, - ForInStatement = 208, - ForOfStatement = 209, - ContinueStatement = 210, - BreakStatement = 211, - ReturnStatement = 212, - WithStatement = 213, - SwitchStatement = 214, - LabeledStatement = 215, - ThrowStatement = 216, - TryStatement = 217, - DebuggerStatement = 218, - VariableDeclaration = 219, - VariableDeclarationList = 220, - FunctionDeclaration = 221, - ClassDeclaration = 222, - InterfaceDeclaration = 223, - TypeAliasDeclaration = 224, - EnumDeclaration = 225, - ModuleDeclaration = 226, - ModuleBlock = 227, - CaseBlock = 228, - NamespaceExportDeclaration = 229, - ImportEqualsDeclaration = 230, - ImportDeclaration = 231, - ImportClause = 232, - NamespaceImport = 233, - NamedImports = 234, - ImportSpecifier = 235, - ExportAssignment = 236, - ExportDeclaration = 237, - NamedExports = 238, - ExportSpecifier = 239, - MissingDeclaration = 240, - ExternalModuleReference = 241, - JsxElement = 242, - JsxSelfClosingElement = 243, - JsxOpeningElement = 244, - JsxClosingElement = 245, - JsxAttribute = 246, - JsxSpreadAttribute = 247, - JsxExpression = 248, - CaseClause = 249, - DefaultClause = 250, - HeritageClause = 251, - CatchClause = 252, - PropertyAssignment = 253, - ShorthandPropertyAssignment = 254, - EnumMember = 255, - SourceFile = 256, - JSDocTypeExpression = 257, - JSDocAllType = 258, - JSDocUnknownType = 259, - JSDocArrayType = 260, - JSDocUnionType = 261, - JSDocTupleType = 262, - JSDocNullableType = 263, - JSDocNonNullableType = 264, - JSDocRecordType = 265, - JSDocRecordMember = 266, - JSDocTypeReference = 267, - JSDocOptionalType = 268, - JSDocFunctionType = 269, - JSDocVariadicType = 270, - JSDocConstructorType = 271, - JSDocThisType = 272, - JSDocComment = 273, - JSDocTag = 274, - JSDocParameterTag = 275, - JSDocReturnTag = 276, - JSDocTypeTag = 277, - JSDocTemplateTag = 278, - JSDocTypedefTag = 279, - JSDocPropertyTag = 280, - JSDocTypeLiteral = 281, - JSDocLiteralType = 282, - JSDocNullKeyword = 283, - JSDocUndefinedKeyword = 284, - JSDocNeverKeyword = 285, - SyntaxList = 286, - NotEmittedStatement = 287, - PartiallyEmittedExpression = 288, - Count = 289, - FirstAssignment = 57, - LastAssignment = 69, - FirstCompoundAssignment = 58, - LastCompoundAssignment = 69, - FirstReservedWord = 71, - LastReservedWord = 106, - FirstKeyword = 71, - LastKeyword = 139, - FirstFutureReservedWord = 107, - LastFutureReservedWord = 115, - FirstTypeNode = 155, - LastTypeNode = 167, - FirstPunctuation = 16, - LastPunctuation = 69, - FirstToken = 0, - LastToken = 139, - FirstTriviaToken = 2, - LastTriviaToken = 7, - FirstLiteralToken = 8, - LastLiteralToken = 12, - FirstTemplateToken = 12, - LastTemplateToken = 15, - FirstBinaryOperator = 26, - LastBinaryOperator = 69, - FirstNode = 140, - FirstJSDocNode = 257, - LastJSDocNode = 282, - FirstJSDocTagNode = 273, - LastJSDocTagNode = 285, - } - const enum NodeFlags { - None = 0, - Let = 1, - Const = 2, - NestedNamespace = 4, - Synthesized = 8, - Namespace = 16, - ExportContext = 32, - ContainsThis = 64, - HasImplicitReturn = 128, - HasExplicitReturn = 256, - GlobalAugmentation = 512, - HasClassExtends = 1024, - HasDecorators = 2048, - HasParamDecorators = 4096, - HasAsyncFunctions = 8192, - HasJsxSpreadAttributes = 16384, - DisallowInContext = 32768, - YieldContext = 65536, - DecoratorContext = 131072, - AwaitContext = 262144, - ThisNodeHasError = 524288, - JavaScriptFile = 1048576, - ThisNodeOrAnySubNodesHasError = 2097152, - HasAggregatedChildData = 4194304, - BlockScoped = 3, - ReachabilityCheckFlags = 384, - EmitHelperFlags = 31744, - ReachabilityAndEmitFlags = 32128, - ContextFlags = 1540096, - TypeExcludesFlags = 327680, + interface Event extends Message { + event: string; + body?: any; } - const enum ModifierFlags { - None = 0, - Export = 1, - Ambient = 2, - Public = 4, - Private = 8, - Protected = 16, - Static = 32, - Readonly = 64, - Abstract = 128, - Async = 256, - Default = 512, - Const = 2048, - HasComputedFlags = 536870912, - AccessibilityModifier = 28, - ParameterPropertyModifier = 92, - NonPublicAccessibilityModifier = 24, - TypeScriptModifier = 2270, + interface Response extends Message { + request_seq: number; + success: boolean; + command: string; + message?: string; + body?: any; } - const enum JsxFlags { - None = 0, - IntrinsicNamedElement = 1, - IntrinsicIndexedElement = 2, - IntrinsicElement = 3, + interface FileRequestArgs { + file: string; + projectFileName?: string; } - interface Node extends TextRange { - kind: SyntaxKind; - flags: NodeFlags; - decorators?: NodeArray; - modifiers?: ModifiersArray; - parent?: Node; + interface DocCommentTemplateRequest extends FileLocationRequest { + command: CommandTypes.DocCommentTemplate; } - interface NodeArray extends Array, TextRange { - hasTrailingComma?: boolean; + interface DocCommandTemplateResponse extends Response { + body?: TextInsertion; } - interface Token extends Node { - kind: TKind; + interface TodoCommentRequest extends FileRequest { + command: CommandTypes.TodoComments; + arguments: TodoCommentRequestArgs; } - type DotDotDotToken = Token; - type QuestionToken = Token; - type ColonToken = Token; - type EqualsToken = Token; - type AsteriskToken = Token; - type EqualsGreaterThanToken = Token; - type EndOfFileToken = Token; - type AtToken = Token; - type Modifier = Token | Token | Token | Token | Token | Token | Token | Token | Token | Token | Token; - type ModifiersArray = NodeArray; - interface Identifier extends PrimaryExpression { - kind: SyntaxKind.Identifier; - text: string; - originalKeywordKind?: SyntaxKind; + interface TodoCommentRequestArgs extends FileRequestArgs { + descriptors: TodoCommentDescriptor[]; } - interface TransientIdentifier extends Identifier { - resolvedSymbol: Symbol; + interface TodoCommentsResponse extends Response { + body?: TodoComment[]; } - interface QualifiedName extends Node { - kind: SyntaxKind.QualifiedName; - left: EntityName; - right: Identifier; + interface OutliningSpansRequest extends FileRequest { + command: CommandTypes.OutliningSpans; } - type EntityName = Identifier | QualifiedName; - type PropertyName = Identifier | LiteralExpression | ComputedPropertyName; - type DeclarationName = Identifier | LiteralExpression | ComputedPropertyName | BindingPattern; - interface Declaration extends Node { - _declarationBrand: any; - name?: DeclarationName; + interface OutliningSpansResponse extends Response { + body?: OutliningSpan[]; } - interface DeclarationStatement extends Declaration, Statement { - name?: Identifier | LiteralExpression; + interface IndentationRequest extends FileLocationRequest { + command: CommandTypes.Indentation; + arguments: IndentationRequestArgs; } - interface ComputedPropertyName extends Node { - kind: SyntaxKind.ComputedPropertyName; - expression: Expression; + interface IndentationResponse extends Response { + body?: IndentationResult; } - interface Decorator extends Node { - kind: SyntaxKind.Decorator; - expression: LeftHandSideExpression; + interface IndentationResult { + position: number; + indentation: number; } - interface TypeParameterDeclaration extends Declaration { - kind: SyntaxKind.TypeParameter; - name: Identifier; - constraint?: TypeNode; - expression?: Expression; + interface IndentationRequestArgs extends FileLocationRequestArgs { + options?: EditorSettings; } - interface SignatureDeclaration extends Declaration { - name?: PropertyName; - typeParameters?: NodeArray; - parameters: NodeArray; - type?: TypeNode; + interface ProjectInfoRequestArgs extends FileRequestArgs { + needFileNameList: boolean; } - interface CallSignatureDeclaration extends SignatureDeclaration, TypeElement { - kind: SyntaxKind.CallSignature; + interface ProjectInfoRequest extends Request { + command: CommandTypes.ProjectInfo; + arguments: ProjectInfoRequestArgs; } - interface ConstructSignatureDeclaration extends SignatureDeclaration, TypeElement { - kind: SyntaxKind.ConstructSignature; + interface CompilerOptionsDiagnosticsRequest extends Request { + arguments: CompilerOptionsDiagnosticsRequestArgs; } - type BindingName = Identifier | BindingPattern; - interface VariableDeclaration extends Declaration { - kind: SyntaxKind.VariableDeclaration; - parent?: VariableDeclarationList; - name: BindingName; - type?: TypeNode; - initializer?: Expression; + interface CompilerOptionsDiagnosticsRequestArgs { + projectFileName: string; } - interface VariableDeclarationList extends Node { - kind: SyntaxKind.VariableDeclarationList; - declarations: NodeArray; + interface ProjectInfo { + configFileName: string; + fileNames?: string[]; + languageServiceDisabled?: boolean; } - interface ParameterDeclaration extends Declaration { - kind: SyntaxKind.Parameter; - dotDotDotToken?: DotDotDotToken; - name: BindingName; - questionToken?: QuestionToken; - type?: TypeNode; - initializer?: Expression; + interface DiagnosticWithLinePosition { + message: string; + start: number; + length: number; + startLocation: Location; + endLocation: Location; + category: string; + code: number; } - interface BindingElement extends Declaration { - kind: SyntaxKind.BindingElement; - propertyName?: PropertyName; - dotDotDotToken?: DotDotDotToken; - name: BindingName; - initializer?: Expression; + interface ProjectInfoResponse extends Response { + body?: ProjectInfo; } - interface PropertySignature extends TypeElement { - kind: SyntaxKind.PropertySignature | SyntaxKind.JSDocRecordMember; - name: PropertyName; - questionToken?: QuestionToken; - type?: TypeNode; - initializer?: Expression; + interface FileRequest extends Request { + arguments: FileRequestArgs; } - interface PropertyDeclaration extends ClassElement { - kind: SyntaxKind.PropertyDeclaration; - questionToken?: QuestionToken; - name: PropertyName; - type?: TypeNode; - initializer?: Expression; + interface FileLocationRequestArgs extends FileRequestArgs { + line: number; + offset: number; + position?: number; } - interface ObjectLiteralElement extends Declaration { - _objectLiteralBrandBrand: any; - name?: PropertyName; + interface CodeFixRequest extends Request { + command: CommandTypes.GetCodeFixes; + arguments: CodeFixRequestArgs; } - type ObjectLiteralElementLike = PropertyAssignment | ShorthandPropertyAssignment | MethodDeclaration | AccessorDeclaration; - interface PropertyAssignment extends ObjectLiteralElement { - kind: SyntaxKind.PropertyAssignment; - name: PropertyName; - questionToken?: QuestionToken; - initializer: Expression; + interface CodeFixRequestArgs extends FileRequestArgs { + startLine: number; + startOffset: number; + startPosition?: number; + endLine: number; + endOffset: number; + endPosition?: number; + errorCodes?: number[]; } - interface ShorthandPropertyAssignment extends ObjectLiteralElement { - kind: SyntaxKind.ShorthandPropertyAssignment; - name: Identifier; - questionToken?: QuestionToken; - equalsToken?: Token; - objectAssignmentInitializer?: Expression; + interface GetCodeFixesResponse extends Response { + body?: CodeAction[]; } - interface VariableLikeDeclaration extends Declaration { - propertyName?: PropertyName; - dotDotDotToken?: DotDotDotToken; - name: DeclarationName; - questionToken?: QuestionToken; - type?: TypeNode; - initializer?: Expression; + interface FileLocationRequest extends FileRequest { + arguments: FileLocationRequestArgs; } - interface PropertyLikeDeclaration extends Declaration { - name: PropertyName; + interface GetSupportedCodeFixesRequest extends Request { + command: CommandTypes.GetSupportedCodeFixes; } - interface BindingPattern extends Node { - elements: NodeArray; + interface GetSupportedCodeFixesResponse extends Response { + body?: string[]; } - interface ObjectBindingPattern extends BindingPattern { - kind: SyntaxKind.ObjectBindingPattern; - elements: NodeArray; + interface EncodedSemanticClassificationsRequest extends FileRequest { + arguments: EncodedSemanticClassificationsRequestArgs; } - type ArrayBindingElement = BindingElement | OmittedExpression; - interface ArrayBindingPattern extends BindingPattern { - kind: SyntaxKind.ArrayBindingPattern; - elements: NodeArray; + interface EncodedSemanticClassificationsRequestArgs extends FileRequestArgs { + start: number; + length: number; } - interface FunctionLikeDeclaration extends SignatureDeclaration { - _functionLikeDeclarationBrand: any; - asteriskToken?: AsteriskToken; - questionToken?: QuestionToken; - body?: Block | Expression; + interface DocumentHighlightsRequestArgs extends FileLocationRequestArgs { + filesToSearch: string[]; } - interface FunctionDeclaration extends FunctionLikeDeclaration, DeclarationStatement { - kind: SyntaxKind.FunctionDeclaration; - name?: Identifier; - body?: FunctionBody; + interface DefinitionRequest extends FileLocationRequest { + command: CommandTypes.Definition; } - interface MethodSignature extends SignatureDeclaration, TypeElement { - kind: SyntaxKind.MethodSignature; - name: PropertyName; + interface TypeDefinitionRequest extends FileLocationRequest { + command: CommandTypes.TypeDefinition; } - interface MethodDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { - kind: SyntaxKind.MethodDeclaration; - name: PropertyName; - body?: FunctionBody; + interface ImplementationRequest extends FileLocationRequest { + command: CommandTypes.Implementation; } - interface ConstructorDeclaration extends FunctionLikeDeclaration, ClassElement { - kind: SyntaxKind.Constructor; - body?: FunctionBody; + interface Location { + line: number; + offset: number; } - interface SemicolonClassElement extends ClassElement { - kind: SyntaxKind.SemicolonClassElement; + interface TextSpan { + start: Location; + end: Location; } - interface GetAccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { - kind: SyntaxKind.GetAccessor; - name: PropertyName; - body: FunctionBody; + interface FileSpan extends TextSpan { + file: string; } - interface SetAccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { - kind: SyntaxKind.SetAccessor; - name: PropertyName; - body: FunctionBody; + interface DefinitionResponse extends Response { + body?: FileSpan[]; } - type AccessorDeclaration = GetAccessorDeclaration | SetAccessorDeclaration; - interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement, TypeElement { - kind: SyntaxKind.IndexSignature; + interface TypeDefinitionResponse extends Response { + body?: FileSpan[]; } - interface TypeNode extends Node { - _typeNodeBrand: any; + interface ImplementationResponse extends Response { + body?: FileSpan[]; } - interface KeywordTypeNode extends TypeNode { - kind: SyntaxKind.AnyKeyword | SyntaxKind.NumberKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.StringKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.VoidKeyword; + interface BraceCompletionRequest extends FileLocationRequest { + command: CommandTypes.BraceCompletion; + arguments: BraceCompletionRequestArgs; } - interface ThisTypeNode extends TypeNode { - kind: SyntaxKind.ThisType; + interface BraceCompletionRequestArgs extends FileLocationRequestArgs { + openingBrace: string; } - interface FunctionOrConstructorTypeNode extends TypeNode, SignatureDeclaration { - kind: SyntaxKind.FunctionType | SyntaxKind.ConstructorType; + interface OccurrencesRequest extends FileLocationRequest { + command: CommandTypes.Occurrences; } - interface FunctionTypeNode extends FunctionOrConstructorTypeNode { - kind: SyntaxKind.FunctionType; + interface OccurrencesResponseItem extends FileSpan { + isWriteAccess: boolean; } - interface ConstructorTypeNode extends FunctionOrConstructorTypeNode { - kind: SyntaxKind.ConstructorType; + interface OccurrencesResponse extends Response { + body?: OccurrencesResponseItem[]; } - interface TypeReferenceNode extends TypeNode { - kind: SyntaxKind.TypeReference; - typeName: EntityName; - typeArguments?: NodeArray; + interface DocumentHighlightsRequest extends FileLocationRequest { + command: CommandTypes.DocumentHighlights; + arguments: DocumentHighlightsRequestArgs; } - interface TypePredicateNode extends TypeNode { - kind: SyntaxKind.TypePredicate; - parameterName: Identifier | ThisTypeNode; - type: TypeNode; + interface HighlightSpan extends TextSpan { + kind: string; } - interface TypeQueryNode extends TypeNode { - kind: SyntaxKind.TypeQuery; - exprName: EntityName; + interface DocumentHighlightsItem { + file: string; + highlightSpans: HighlightSpan[]; } - interface TypeLiteralNode extends TypeNode, Declaration { - kind: SyntaxKind.TypeLiteral; - members: NodeArray; + interface DocumentHighlightsResponse extends Response { + body?: DocumentHighlightsItem[]; } - interface ArrayTypeNode extends TypeNode { - kind: SyntaxKind.ArrayType; - elementType: TypeNode; + interface ReferencesRequest extends FileLocationRequest { + command: CommandTypes.References; } - interface TupleTypeNode extends TypeNode { - kind: SyntaxKind.TupleType; - elementTypes: NodeArray; + interface ReferencesResponseItem extends FileSpan { + lineText: string; + isWriteAccess: boolean; + isDefinition: boolean; } - interface UnionOrIntersectionTypeNode extends TypeNode { - kind: SyntaxKind.UnionType | SyntaxKind.IntersectionType; - types: NodeArray; + interface ReferencesResponseBody { + refs: ReferencesResponseItem[]; + symbolName: string; + symbolStartOffset: number; + symbolDisplayString: string; } - interface UnionTypeNode extends UnionOrIntersectionTypeNode { - kind: SyntaxKind.UnionType; + interface ReferencesResponse extends Response { + body?: ReferencesResponseBody; } - interface IntersectionTypeNode extends UnionOrIntersectionTypeNode { - kind: SyntaxKind.IntersectionType; + interface RenameRequestArgs extends FileLocationRequestArgs { + findInComments?: boolean; + findInStrings?: boolean; } - interface ParenthesizedTypeNode extends TypeNode { - kind: SyntaxKind.ParenthesizedType; - type: TypeNode; + interface RenameRequest extends FileLocationRequest { + command: CommandTypes.Rename; + arguments: RenameRequestArgs; } - interface LiteralTypeNode extends TypeNode { - kind: SyntaxKind.LiteralType; - literal: Expression; + interface RenameInfo { + canRename: boolean; + localizedErrorMessage?: string; + displayName: string; + fullDisplayName: string; + kind: string; + kindModifiers: string; } - interface StringLiteral extends LiteralExpression { - kind: SyntaxKind.StringLiteral; + interface SpanGroup { + file: string; + locs: TextSpan[]; } - interface Expression extends Node { - _expressionBrand: any; - contextualType?: Type; + interface RenameResponseBody { + info: RenameInfo; + locs: SpanGroup[]; } - interface OmittedExpression extends Expression { - kind: SyntaxKind.OmittedExpression; + interface RenameResponse extends Response { + body?: RenameResponseBody; } - interface UnaryExpression extends Expression { - _unaryExpressionBrand: any; + interface ExternalFile { + fileName: string; + scriptKind?: ScriptKindName | ts.ScriptKind; + hasMixedContent?: boolean; + content?: string; } - interface IncrementExpression extends UnaryExpression { - _incrementExpressionBrand: any; + interface ExternalProject { + projectFileName: string; + rootFiles: ExternalFile[]; + options: ExternalProjectCompilerOptions; + typingOptions?: TypingOptions; } - type PrefixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken | SyntaxKind.PlusToken | SyntaxKind.MinusToken | SyntaxKind.TildeToken | SyntaxKind.ExclamationToken; - interface PrefixUnaryExpression extends IncrementExpression { - kind: SyntaxKind.PrefixUnaryExpression; - operator: PrefixUnaryOperator; - operand: UnaryExpression; + interface CompileOnSaveMixin { + compileOnSave?: boolean; } - type PostfixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken; - interface PostfixUnaryExpression extends IncrementExpression { - kind: SyntaxKind.PostfixUnaryExpression; - operand: LeftHandSideExpression; - operator: PostfixUnaryOperator; + type ExternalProjectCompilerOptions = CompilerOptions & CompileOnSaveMixin; + interface ProjectVersionInfo { + projectName: string; + isInferred: boolean; + version: number; + options: ts.CompilerOptions; } - interface PostfixExpression extends UnaryExpression { - _postfixExpressionBrand: any; + interface ProjectChanges { + added: string[]; + removed: string[]; } - interface LeftHandSideExpression extends IncrementExpression { - _leftHandSideExpressionBrand: any; + interface ProjectFiles { + info?: ProjectVersionInfo; + files?: string[]; + changes?: ProjectChanges; } - interface MemberExpression extends LeftHandSideExpression { - _memberExpressionBrand: any; + interface ProjectFilesWithDiagnostics extends ProjectFiles { + projectErrors: DiagnosticWithLinePosition[]; } - interface PrimaryExpression extends MemberExpression { - _primaryExpressionBrand: any; + interface ChangedOpenFile { + fileName: string; + changes: ts.TextChange[]; } - interface NullLiteral extends PrimaryExpression { - kind: SyntaxKind.NullKeyword; + interface ConfigureRequestArguments { + hostInfo?: string; + file?: string; + formatOptions?: FormatCodeSettings; } - interface BooleanLiteral extends PrimaryExpression { - kind: SyntaxKind.TrueKeyword | SyntaxKind.FalseKeyword; + interface ConfigureRequest extends Request { + command: CommandTypes.Configure; + arguments: ConfigureRequestArguments; } - interface ThisExpression extends PrimaryExpression { - kind: SyntaxKind.ThisKeyword; + interface ConfigureResponse extends Response { } - interface SuperExpression extends PrimaryExpression { - kind: SyntaxKind.SuperKeyword; + interface OpenRequestArgs extends FileRequestArgs { + fileContent?: string; + scriptKindName?: ScriptKindName; } - interface DeleteExpression extends UnaryExpression { - kind: SyntaxKind.DeleteExpression; - expression: UnaryExpression; + type ScriptKindName = "TS" | "JS" | "TSX" | "JSX"; + interface OpenRequest extends Request { + command: CommandTypes.Open; + arguments: OpenRequestArgs; } - interface TypeOfExpression extends UnaryExpression { - kind: SyntaxKind.TypeOfExpression; - expression: UnaryExpression; + interface OpenExternalProjectRequest extends Request { + command: CommandTypes.OpenExternalProject; + arguments: OpenExternalProjectArgs; } - interface VoidExpression extends UnaryExpression { - kind: SyntaxKind.VoidExpression; - expression: UnaryExpression; + type OpenExternalProjectArgs = ExternalProject; + interface OpenExternalProjectsRequest extends Request { + command: CommandTypes.OpenExternalProjects; + arguments: OpenExternalProjectsArgs; } - interface AwaitExpression extends UnaryExpression { - kind: SyntaxKind.AwaitExpression; - expression: UnaryExpression; + interface OpenExternalProjectsArgs { + projects: ExternalProject[]; } - interface YieldExpression extends Expression { - kind: SyntaxKind.YieldExpression; - asteriskToken?: AsteriskToken; - expression?: Expression; + interface OpenExternalProjectResponse extends Response { } - type ExponentiationOperator = SyntaxKind.AsteriskAsteriskToken; - type MultiplicativeOperator = SyntaxKind.AsteriskToken | SyntaxKind.SlashToken | SyntaxKind.PercentToken; - type MultiplicativeOperatorOrHigher = ExponentiationOperator | MultiplicativeOperator; - type AdditiveOperator = SyntaxKind.PlusToken | SyntaxKind.MinusToken; - type AdditiveOperatorOrHigher = MultiplicativeOperatorOrHigher | AdditiveOperator; - type ShiftOperator = SyntaxKind.LessThanLessThanToken | SyntaxKind.GreaterThanGreaterThanToken | SyntaxKind.GreaterThanGreaterThanGreaterThanToken; - type ShiftOperatorOrHigher = AdditiveOperatorOrHigher | ShiftOperator; - type RelationalOperator = SyntaxKind.LessThanToken | SyntaxKind.LessThanEqualsToken | SyntaxKind.GreaterThanToken | SyntaxKind.GreaterThanEqualsToken | SyntaxKind.InstanceOfKeyword | SyntaxKind.InKeyword; - type RelationalOperatorOrHigher = ShiftOperatorOrHigher | RelationalOperator; - type EqualityOperator = SyntaxKind.EqualsEqualsToken | SyntaxKind.EqualsEqualsEqualsToken | SyntaxKind.ExclamationEqualsEqualsToken | SyntaxKind.ExclamationEqualsToken; - type EqualityOperatorOrHigher = RelationalOperatorOrHigher | EqualityOperator; - type BitwiseOperator = SyntaxKind.AmpersandToken | SyntaxKind.BarToken | SyntaxKind.CaretToken; - type BitwiseOperatorOrHigher = EqualityOperatorOrHigher | BitwiseOperator; - type LogicalOperator = SyntaxKind.AmpersandAmpersandToken | SyntaxKind.BarBarToken; - type LogicalOperatorOrHigher = BitwiseOperatorOrHigher | LogicalOperator; - type CompoundAssignmentOperator = SyntaxKind.PlusEqualsToken | SyntaxKind.MinusEqualsToken | SyntaxKind.AsteriskAsteriskEqualsToken | SyntaxKind.AsteriskEqualsToken | SyntaxKind.SlashEqualsToken | SyntaxKind.PercentEqualsToken | SyntaxKind.AmpersandEqualsToken | SyntaxKind.BarEqualsToken | SyntaxKind.CaretEqualsToken | SyntaxKind.LessThanLessThanEqualsToken | SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken | SyntaxKind.GreaterThanGreaterThanEqualsToken; - type AssignmentOperator = SyntaxKind.EqualsToken | CompoundAssignmentOperator; - type AssignmentOperatorOrHigher = LogicalOperatorOrHigher | AssignmentOperator; - type BinaryOperator = AssignmentOperatorOrHigher | SyntaxKind.CommaToken; - type BinaryOperatorToken = Token; - interface BinaryExpression extends Expression, Declaration { - kind: SyntaxKind.BinaryExpression; - left: Expression; - operatorToken: BinaryOperatorToken; - right: Expression; + interface OpenExternalProjectsResponse extends Response { } - interface ConditionalExpression extends Expression { - kind: SyntaxKind.ConditionalExpression; - condition: Expression; - questionToken: QuestionToken; - whenTrue: Expression; - colonToken: ColonToken; - whenFalse: Expression; + interface CloseExternalProjectRequest extends Request { + command: CommandTypes.CloseExternalProject; + arguments: CloseExternalProjectRequestArgs; } - type FunctionBody = Block; - type ConciseBody = FunctionBody | Expression; - interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclaration { - kind: SyntaxKind.FunctionExpression; - name?: Identifier; - body: FunctionBody; + interface CloseExternalProjectRequestArgs { + projectFileName: string; } - interface ArrowFunction extends Expression, FunctionLikeDeclaration { - kind: SyntaxKind.ArrowFunction; - equalsGreaterThanToken: EqualsGreaterThanToken; - body: ConciseBody; + interface CloseExternalProjectResponse extends Response { } - interface LiteralLikeNode extends Node { - text: string; - isUnterminated?: boolean; - hasExtendedUnicodeEscape?: boolean; + interface SynchronizeProjectListRequest extends Request { + arguments: SynchronizeProjectListRequestArgs; } - interface LiteralExpression extends LiteralLikeNode, PrimaryExpression { - _literalExpressionBrand: any; + interface SynchronizeProjectListRequestArgs { + knownProjects: protocol.ProjectVersionInfo[]; } - interface RegularExpressionLiteral extends LiteralExpression { - kind: SyntaxKind.RegularExpressionLiteral; + interface ApplyChangedToOpenFilesRequest extends Request { + arguments: ApplyChangedToOpenFilesRequestArgs; } - interface NoSubstitutionTemplateLiteral extends LiteralExpression { - kind: SyntaxKind.NoSubstitutionTemplateLiteral; + interface ApplyChangedToOpenFilesRequestArgs { + openFiles?: ExternalFile[]; + changedFiles?: ChangedOpenFile[]; + closedFiles?: string[]; } - interface NumericLiteral extends LiteralExpression { - kind: SyntaxKind.NumericLiteral; - trailingComment?: string; + interface SetCompilerOptionsForInferredProjectsRequest extends Request { + command: CommandTypes.CompilerOptionsForInferredProjects; + arguments: SetCompilerOptionsForInferredProjectsArgs; } - interface TemplateHead extends LiteralLikeNode { - kind: SyntaxKind.TemplateHead; + interface SetCompilerOptionsForInferredProjectsArgs { + options: ExternalProjectCompilerOptions; } - interface TemplateMiddle extends LiteralLikeNode { - kind: SyntaxKind.TemplateMiddle; + interface SetCompilerOptionsForInferredProjectsResponse extends Response { } - interface TemplateTail extends LiteralLikeNode { - kind: SyntaxKind.TemplateTail; + interface ExitRequest extends Request { + command: CommandTypes.Exit; } - type TemplateLiteral = TemplateExpression | NoSubstitutionTemplateLiteral; - interface TemplateExpression extends PrimaryExpression { - kind: SyntaxKind.TemplateExpression; - head: TemplateHead; - templateSpans: NodeArray; + interface CloseRequest extends FileRequest { + command: CommandTypes.Close; } - interface TemplateSpan extends Node { - kind: SyntaxKind.TemplateSpan; - expression: Expression; - literal: TemplateMiddle | TemplateTail; + interface CompileOnSaveAffectedFileListRequest extends FileRequest { + command: CommandTypes.CompileOnSaveAffectedFileList; } - interface ParenthesizedExpression extends PrimaryExpression { - kind: SyntaxKind.ParenthesizedExpression; - expression: Expression; + interface CompileOnSaveAffectedFileListSingleProject { + projectFileName: string; + fileNames: string[]; } - interface ArrayLiteralExpression extends PrimaryExpression { - kind: SyntaxKind.ArrayLiteralExpression; - elements: NodeArray; + interface CompileOnSaveAffectedFileListResponse extends Response { + body: CompileOnSaveAffectedFileListSingleProject[]; } - interface SpreadElementExpression extends Expression { - kind: SyntaxKind.SpreadElementExpression; - expression: Expression; + interface CompileOnSaveEmitFileRequest extends FileRequest { + command: CommandTypes.CompileOnSaveEmitFile; + arguments: CompileOnSaveEmitFileRequestArgs; } - interface ObjectLiteralExpressionBase extends PrimaryExpression, Declaration { - properties: NodeArray; + interface CompileOnSaveEmitFileRequestArgs extends FileRequestArgs { + forced?: boolean; } - interface ObjectLiteralExpression extends ObjectLiteralExpressionBase { - kind: SyntaxKind.ObjectLiteralExpression; + interface QuickInfoRequest extends FileLocationRequest { + command: CommandTypes.Quickinfo; } - type EntityNameExpression = Identifier | PropertyAccessEntityNameExpression; - type EntityNameOrEntityNameExpression = EntityName | EntityNameExpression; - interface PropertyAccessExpression extends MemberExpression, Declaration { - kind: SyntaxKind.PropertyAccessExpression; - expression: LeftHandSideExpression; - name: Identifier; - } - interface SuperPropertyAccessExpression extends PropertyAccessExpression { - expression: SuperExpression; + interface QuickInfoResponseBody { + kind: string; + kindModifiers: string; + start: Location; + end: Location; + displayString: string; + documentation: string; } - interface PropertyAccessEntityNameExpression extends PropertyAccessExpression { - _propertyAccessExpressionLikeQualifiedNameBrand?: any; - expression: EntityNameExpression; + interface QuickInfoResponse extends Response { + body?: QuickInfoResponseBody; } - interface ElementAccessExpression extends MemberExpression { - kind: SyntaxKind.ElementAccessExpression; - expression: LeftHandSideExpression; - argumentExpression?: Expression; + interface FormatRequestArgs extends FileLocationRequestArgs { + endLine: number; + endOffset: number; + endPosition?: number; + options?: FormatCodeSettings; } - interface SuperElementAccessExpression extends ElementAccessExpression { - expression: SuperExpression; + interface FormatRequest extends FileLocationRequest { + command: CommandTypes.Format; + arguments: FormatRequestArgs; } - type SuperProperty = SuperPropertyAccessExpression | SuperElementAccessExpression; - interface CallExpression extends LeftHandSideExpression, Declaration { - kind: SyntaxKind.CallExpression; - expression: LeftHandSideExpression; - typeArguments?: NodeArray; - arguments: NodeArray; + interface CodeEdit { + start: Location; + end: Location; + newText: string; } - interface SuperCall extends CallExpression { - expression: SuperExpression; + interface FileCodeEdits { + fileName: string; + textChanges: CodeEdit[]; } - interface ExpressionWithTypeArguments extends TypeNode { - kind: SyntaxKind.ExpressionWithTypeArguments; - expression: LeftHandSideExpression; - typeArguments?: NodeArray; + interface CodeFixResponse extends Response { + body?: CodeAction[]; } - interface NewExpression extends PrimaryExpression, Declaration { - kind: SyntaxKind.NewExpression; - expression: LeftHandSideExpression; - typeArguments?: NodeArray; - arguments: NodeArray; + interface CodeAction { + description: string; + changes: FileCodeEdits[]; } - interface TaggedTemplateExpression extends MemberExpression { - kind: SyntaxKind.TaggedTemplateExpression; - tag: LeftHandSideExpression; - template: TemplateLiteral; + interface FormatResponse extends Response { + body?: CodeEdit[]; } - type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator; - interface AsExpression extends Expression { - kind: SyntaxKind.AsExpression; - expression: Expression; - type: TypeNode; + interface FormatOnKeyRequestArgs extends FileLocationRequestArgs { + key: string; + options?: FormatCodeSettings; } - interface TypeAssertion extends UnaryExpression { - kind: SyntaxKind.TypeAssertionExpression; - type: TypeNode; - expression: UnaryExpression; + interface FormatOnKeyRequest extends FileLocationRequest { + command: CommandTypes.Formatonkey; + arguments: FormatOnKeyRequestArgs; } - type AssertionExpression = TypeAssertion | AsExpression; - interface NonNullExpression extends LeftHandSideExpression { - kind: SyntaxKind.NonNullExpression; - expression: Expression; + interface CompletionsRequestArgs extends FileLocationRequestArgs { + prefix?: string; } - interface JsxElement extends PrimaryExpression { - kind: SyntaxKind.JsxElement; - openingElement: JsxOpeningElement; - children: NodeArray; - closingElement: JsxClosingElement; + interface CompletionsRequest extends FileLocationRequest { + command: CommandTypes.Completions; + arguments: CompletionsRequestArgs; } - type JsxTagNameExpression = PrimaryExpression | PropertyAccessExpression; - interface JsxOpeningElement extends Expression { - kind: SyntaxKind.JsxOpeningElement; - tagName: JsxTagNameExpression; - attributes: NodeArray; + interface CompletionDetailsRequestArgs extends FileLocationRequestArgs { + entryNames: string[]; } - interface JsxSelfClosingElement extends PrimaryExpression { - kind: SyntaxKind.JsxSelfClosingElement; - tagName: JsxTagNameExpression; - attributes: NodeArray; + interface CompletionDetailsRequest extends FileLocationRequest { + command: CommandTypes.CompletionDetails; + arguments: CompletionDetailsRequestArgs; } - type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement; - type JsxAttributeLike = JsxAttribute | JsxSpreadAttribute; - interface JsxAttribute extends Node { - kind: SyntaxKind.JsxAttribute; - name: Identifier; - initializer?: StringLiteral | JsxExpression; + interface SymbolDisplayPart { + text: string; + kind: string; } - interface JsxSpreadAttribute extends Node { - kind: SyntaxKind.JsxSpreadAttribute; - expression: Expression; + interface CompletionEntry { + name: string; + kind: string; + kindModifiers: string; + sortText: string; + replacementSpan?: TextSpan; } - interface JsxClosingElement extends Node { - kind: SyntaxKind.JsxClosingElement; - tagName: JsxTagNameExpression; + interface CompletionEntryDetails { + name: string; + kind: string; + kindModifiers: string; + displayParts: SymbolDisplayPart[]; + documentation: SymbolDisplayPart[]; } - interface JsxExpression extends Expression { - kind: SyntaxKind.JsxExpression; - expression?: Expression; + interface CompletionsResponse extends Response { + body?: CompletionEntry[]; } - interface JsxText extends Node { - kind: SyntaxKind.JsxText; + interface CompletionDetailsResponse extends Response { + body?: CompletionEntryDetails[]; } - type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement; - interface Statement extends Node { - _statementBrand: any; + interface SignatureHelpParameter { + name: string; + documentation: SymbolDisplayPart[]; + displayParts: SymbolDisplayPart[]; + isOptional: boolean; } - interface EmptyStatement extends Statement { - kind: SyntaxKind.EmptyStatement; + interface SignatureHelpItem { + isVariadic: boolean; + prefixDisplayParts: SymbolDisplayPart[]; + suffixDisplayParts: SymbolDisplayPart[]; + separatorDisplayParts: SymbolDisplayPart[]; + parameters: SignatureHelpParameter[]; + documentation: SymbolDisplayPart[]; } - interface DebuggerStatement extends Statement { - kind: SyntaxKind.DebuggerStatement; + interface SignatureHelpItems { + items: SignatureHelpItem[]; + applicableSpan: TextSpan; + selectedItemIndex: number; + argumentIndex: number; + argumentCount: number; } - interface MissingDeclaration extends DeclarationStatement, ClassElement, ObjectLiteralElement, TypeElement { - kind: SyntaxKind.MissingDeclaration; - name?: Identifier; + interface SignatureHelpRequestArgs extends FileLocationRequestArgs { } - type BlockLike = SourceFile | Block | ModuleBlock | CaseClause; - interface Block extends Statement { - kind: SyntaxKind.Block; - statements: NodeArray; + interface SignatureHelpRequest extends FileLocationRequest { + command: CommandTypes.SignatureHelp; + arguments: SignatureHelpRequestArgs; } - interface VariableStatement extends Statement { - kind: SyntaxKind.VariableStatement; - declarationList: VariableDeclarationList; + interface SignatureHelpResponse extends Response { + body?: SignatureHelpItems; } - interface ExpressionStatement extends Statement { - kind: SyntaxKind.ExpressionStatement; - expression: Expression; + interface SemanticDiagnosticsSyncRequest extends FileRequest { + command: CommandTypes.SemanticDiagnosticsSync; + arguments: SemanticDiagnosticsSyncRequestArgs; } - interface IfStatement extends Statement { - kind: SyntaxKind.IfStatement; - expression: Expression; - thenStatement: Statement; - elseStatement?: Statement; + interface SemanticDiagnosticsSyncRequestArgs extends FileRequestArgs { + includeLinePosition?: boolean; } - interface IterationStatement extends Statement { - statement: Statement; + interface SemanticDiagnosticsSyncResponse extends Response { + body?: Diagnostic[] | DiagnosticWithLinePosition[]; } - interface DoStatement extends IterationStatement { - kind: SyntaxKind.DoStatement; - expression: Expression; + interface SyntacticDiagnosticsSyncRequest extends FileRequest { + command: CommandTypes.SyntacticDiagnosticsSync; + arguments: SyntacticDiagnosticsSyncRequestArgs; } - interface WhileStatement extends IterationStatement { - kind: SyntaxKind.WhileStatement; - expression: Expression; + interface SyntacticDiagnosticsSyncRequestArgs extends FileRequestArgs { + includeLinePosition?: boolean; } - type ForInitializer = VariableDeclarationList | Expression; - interface ForStatement extends IterationStatement { - kind: SyntaxKind.ForStatement; - initializer?: ForInitializer; - condition?: Expression; - incrementor?: Expression; + interface SyntacticDiagnosticsSyncResponse extends Response { + body?: Diagnostic[] | DiagnosticWithLinePosition[]; } - interface ForInStatement extends IterationStatement { - kind: SyntaxKind.ForInStatement; - initializer: ForInitializer; - expression: Expression; + interface GeterrForProjectRequestArgs { + file: string; + delay: number; } - interface ForOfStatement extends IterationStatement { - kind: SyntaxKind.ForOfStatement; - initializer: ForInitializer; - expression: Expression; + interface GeterrForProjectRequest extends Request { + command: CommandTypes.GeterrForProject; + arguments: GeterrForProjectRequestArgs; } - interface BreakStatement extends Statement { - kind: SyntaxKind.BreakStatement; - label?: Identifier; + interface GeterrRequestArgs { + files: string[]; + delay: number; } - interface ContinueStatement extends Statement { - kind: SyntaxKind.ContinueStatement; - label?: Identifier; + interface GeterrRequest extends Request { + command: CommandTypes.Geterr; + arguments: GeterrRequestArgs; } - type BreakOrContinueStatement = BreakStatement | ContinueStatement; - interface ReturnStatement extends Statement { - kind: SyntaxKind.ReturnStatement; - expression?: Expression; + interface Diagnostic { + start: Location; + end: Location; + text: string; + code?: number; } - interface WithStatement extends Statement { - kind: SyntaxKind.WithStatement; - expression: Expression; - statement: Statement; - } - interface SwitchStatement extends Statement { - kind: SyntaxKind.SwitchStatement; - expression: Expression; - caseBlock: CaseBlock; - possiblyExhaustive?: boolean; - } - interface CaseBlock extends Node { - kind: SyntaxKind.CaseBlock; - clauses: NodeArray; - } - interface CaseClause extends Node { - kind: SyntaxKind.CaseClause; - expression: Expression; - statements: NodeArray; - } - interface DefaultClause extends Node { - kind: SyntaxKind.DefaultClause; - statements: NodeArray; - } - type CaseOrDefaultClause = CaseClause | DefaultClause; - interface LabeledStatement extends Statement { - kind: SyntaxKind.LabeledStatement; - label: Identifier; - statement: Statement; - } - interface ThrowStatement extends Statement { - kind: SyntaxKind.ThrowStatement; - expression: Expression; - } - interface TryStatement extends Statement { - kind: SyntaxKind.TryStatement; - tryBlock: Block; - catchClause?: CatchClause; - finallyBlock?: Block; - } - interface CatchClause extends Node { - kind: SyntaxKind.CatchClause; - variableDeclaration: VariableDeclaration; - block: Block; - } - type DeclarationWithTypeParameters = SignatureDeclaration | ClassLikeDeclaration | InterfaceDeclaration | TypeAliasDeclaration; - interface ClassLikeDeclaration extends Declaration { - name?: Identifier; - typeParameters?: NodeArray; - heritageClauses?: NodeArray; - members: NodeArray; - } - interface ClassDeclaration extends ClassLikeDeclaration, DeclarationStatement { - kind: SyntaxKind.ClassDeclaration; - name?: Identifier; - } - interface ClassExpression extends ClassLikeDeclaration, PrimaryExpression { - kind: SyntaxKind.ClassExpression; - } - interface ClassElement extends Declaration { - _classElementBrand: any; - name?: PropertyName; + interface DiagnosticEventBody { + file: string; + diagnostics: Diagnostic[]; } - interface TypeElement extends Declaration { - _typeElementBrand: any; - name?: PropertyName; - questionToken?: QuestionToken; + interface DiagnosticEvent extends Event { + body?: DiagnosticEventBody; } - interface InterfaceDeclaration extends DeclarationStatement { - kind: SyntaxKind.InterfaceDeclaration; - name: Identifier; - typeParameters?: NodeArray; - heritageClauses?: NodeArray; - members: NodeArray; + interface ConfigFileDiagnosticEventBody { + triggerFile: string; + configFile: string; + diagnostics: Diagnostic[]; } - interface HeritageClause extends Node { - kind: SyntaxKind.HeritageClause; - token: SyntaxKind; - types?: NodeArray; + interface ConfigFileDiagnosticEvent extends Event { + body?: ConfigFileDiagnosticEventBody; + event: "configFileDiag"; } - interface TypeAliasDeclaration extends DeclarationStatement { - kind: SyntaxKind.TypeAliasDeclaration; - name: Identifier; - typeParameters?: NodeArray; - type: TypeNode; + interface ReloadRequestArgs extends FileRequestArgs { + tmpfile: string; } - interface EnumMember extends Declaration { - kind: SyntaxKind.EnumMember; - name: PropertyName; - initializer?: Expression; + interface ReloadRequest extends FileRequest { + command: CommandTypes.Reload; + arguments: ReloadRequestArgs; } - interface EnumDeclaration extends DeclarationStatement { - kind: SyntaxKind.EnumDeclaration; - name: Identifier; - members: NodeArray; + interface ReloadResponse extends Response { } - type ModuleBody = ModuleBlock | ModuleDeclaration; - type ModuleName = Identifier | StringLiteral; - interface ModuleDeclaration extends DeclarationStatement { - kind: SyntaxKind.ModuleDeclaration; - name: Identifier | LiteralExpression; - body?: ModuleBlock | NamespaceDeclaration; + interface SavetoRequestArgs extends FileRequestArgs { + tmpfile: string; } - interface NamespaceDeclaration extends ModuleDeclaration { - name: Identifier; - body: ModuleBlock | NamespaceDeclaration; + interface SavetoRequest extends FileRequest { + command: CommandTypes.Saveto; + arguments: SavetoRequestArgs; } - interface ModuleBlock extends Node, Statement { - kind: SyntaxKind.ModuleBlock; - statements: NodeArray; + interface NavtoRequestArgs extends FileRequestArgs { + searchValue: string; + maxResultCount?: number; + currentFileOnly?: boolean; + projectFileName?: string; } - type ModuleReference = EntityName | ExternalModuleReference; - interface ImportEqualsDeclaration extends DeclarationStatement { - kind: SyntaxKind.ImportEqualsDeclaration; - name: Identifier; - moduleReference: ModuleReference; + interface NavtoRequest extends FileRequest { + command: CommandTypes.Navto; + arguments: NavtoRequestArgs; } - interface ExternalModuleReference extends Node { - kind: SyntaxKind.ExternalModuleReference; - expression?: Expression; + interface NavtoItem { + name: string; + kind: string; + matchKind?: string; + isCaseSensitive?: boolean; + kindModifiers?: string; + file: string; + start: Location; + end: Location; + containerName?: string; + containerKind?: string; } - interface ImportDeclaration extends Statement { - kind: SyntaxKind.ImportDeclaration; - importClause?: ImportClause; - moduleSpecifier: Expression; + interface NavtoResponse extends Response { + body?: NavtoItem[]; } - type NamedImportBindings = NamespaceImport | NamedImports; - interface ImportClause extends Declaration { - kind: SyntaxKind.ImportClause; - name?: Identifier; - namedBindings?: NamedImportBindings; + interface ChangeRequestArgs extends FormatRequestArgs { + insertString?: string; } - interface NamespaceImport extends Declaration { - kind: SyntaxKind.NamespaceImport; - name: Identifier; + interface ChangeRequest extends FileLocationRequest { + command: CommandTypes.Change; + arguments: ChangeRequestArgs; } - interface NamespaceExportDeclaration extends DeclarationStatement { - kind: SyntaxKind.NamespaceExportDeclaration; - name: Identifier; - moduleReference: LiteralLikeNode; + interface BraceResponse extends Response { + body?: TextSpan[]; } - interface ExportDeclaration extends DeclarationStatement { - kind: SyntaxKind.ExportDeclaration; - exportClause?: NamedExports; - moduleSpecifier?: Expression; + interface BraceRequest extends FileLocationRequest { + command: CommandTypes.Brace; } - interface NamedImports extends Node { - kind: SyntaxKind.NamedImports; - elements: NodeArray; + interface NavBarRequest extends FileRequest { + command: CommandTypes.NavBar; } - interface NamedExports extends Node { - kind: SyntaxKind.NamedExports; - elements: NodeArray; + interface NavTreeRequest extends FileRequest { + command: CommandTypes.NavTree; } - type NamedImportsOrExports = NamedImports | NamedExports; - interface ImportSpecifier extends Declaration { - kind: SyntaxKind.ImportSpecifier; - propertyName?: Identifier; - name: Identifier; + interface NavigationBarItem { + text: string; + kind: string; + kindModifiers?: string; + spans: TextSpan[]; + childItems?: NavigationBarItem[]; + indent: number; } - interface ExportSpecifier extends Declaration { - kind: SyntaxKind.ExportSpecifier; - propertyName?: Identifier; - name: Identifier; + interface NavigationTree { + text: string; + kind: string; + kindModifiers: string; + spans: TextSpan[]; + childItems?: NavigationTree[]; } - type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier; - interface ExportAssignment extends DeclarationStatement { - kind: SyntaxKind.ExportAssignment; - isExportEquals?: boolean; - expression: Expression; + interface NavBarResponse extends Response { + body?: NavigationBarItem[]; } - interface FileReference extends TextRange { - fileName: string; + interface NavTreeResponse extends Response { + body?: NavigationTree; } - interface CommentRange extends TextRange { - hasTrailingNewLine?: boolean; - kind: SyntaxKind; + namespace IndentStyle { + type None = "None"; + type Block = "Block"; + type Smart = "Smart"; } - interface JSDocTypeExpression extends Node { - kind: SyntaxKind.JSDocTypeExpression; - type: JSDocType; + type IndentStyle = IndentStyle.None | IndentStyle.Block | IndentStyle.Smart; + interface EditorSettings { + baseIndentSize?: number; + indentSize?: number; + tabSize?: number; + newLineCharacter?: string; + convertTabsToSpaces?: boolean; + indentStyle?: IndentStyle | ts.IndentStyle; } - interface JSDocType extends TypeNode { - _jsDocTypeBrand: any; + interface FormatCodeSettings extends EditorSettings { + insertSpaceAfterCommaDelimiter?: boolean; + insertSpaceAfterSemicolonInForStatements?: boolean; + insertSpaceBeforeAndAfterBinaryOperators?: boolean; + insertSpaceAfterKeywordsInControlFlowStatements?: boolean; + insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean; + insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean; + insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean; + insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean; + insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; + placeOpenBraceOnNewLineForFunctions?: boolean; + placeOpenBraceOnNewLineForControlBlocks?: boolean; } - interface JSDocAllType extends JSDocType { - kind: SyntaxKind.JSDocAllType; - } - interface JSDocUnknownType extends JSDocType { - kind: SyntaxKind.JSDocUnknownType; - } - interface JSDocArrayType extends JSDocType { - kind: SyntaxKind.JSDocArrayType; - elementType: JSDocType; - } - interface JSDocUnionType extends JSDocType { - kind: SyntaxKind.JSDocUnionType; - types: NodeArray; - } - interface JSDocTupleType extends JSDocType { - kind: SyntaxKind.JSDocTupleType; - types: NodeArray; - } - interface JSDocNonNullableType extends JSDocType { - kind: SyntaxKind.JSDocNonNullableType; - type: JSDocType; - } - interface JSDocNullableType extends JSDocType { - kind: SyntaxKind.JSDocNullableType; - type: JSDocType; - } - interface JSDocRecordType extends JSDocType { - kind: SyntaxKind.JSDocRecordType; - literal: TypeLiteralNode; - } - interface JSDocTypeReference extends JSDocType { - kind: SyntaxKind.JSDocTypeReference; - name: EntityName; - typeArguments: NodeArray; - } - interface JSDocOptionalType extends JSDocType { - kind: SyntaxKind.JSDocOptionalType; - type: JSDocType; - } - interface JSDocFunctionType extends JSDocType, SignatureDeclaration { - kind: SyntaxKind.JSDocFunctionType; - parameters: NodeArray; - type: JSDocType; - } - interface JSDocVariadicType extends JSDocType { - kind: SyntaxKind.JSDocVariadicType; - type: JSDocType; - } - interface JSDocConstructorType extends JSDocType { - kind: SyntaxKind.JSDocConstructorType; - type: JSDocType; - } - interface JSDocThisType extends JSDocType { - kind: SyntaxKind.JSDocThisType; - type: JSDocType; - } - interface JSDocLiteralType extends JSDocType { - kind: SyntaxKind.JSDocLiteralType; - literal: LiteralTypeNode; - } - type JSDocTypeReferencingNode = JSDocThisType | JSDocConstructorType | JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType; - interface JSDocRecordMember extends PropertySignature { - kind: SyntaxKind.JSDocRecordMember; - name: Identifier | LiteralExpression; - type?: JSDocType; - } - interface JSDoc extends Node { - kind: SyntaxKind.JSDocComment; - tags: NodeArray | undefined; - comment: string | undefined; - } - interface JSDocTag extends Node { - atToken: AtToken; - tagName: Identifier; - comment: string | undefined; - } - interface JSDocUnknownTag extends JSDocTag { - kind: SyntaxKind.JSDocTag; - } - interface JSDocTemplateTag extends JSDocTag { - kind: SyntaxKind.JSDocTemplateTag; - typeParameters: NodeArray; - } - interface JSDocReturnTag extends JSDocTag { - kind: SyntaxKind.JSDocReturnTag; - typeExpression: JSDocTypeExpression; - } - interface JSDocTypeTag extends JSDocTag { - kind: SyntaxKind.JSDocTypeTag; - typeExpression: JSDocTypeExpression; - } - interface JSDocTypedefTag extends JSDocTag, Declaration { - kind: SyntaxKind.JSDocTypedefTag; - name?: Identifier; - typeExpression?: JSDocTypeExpression; - jsDocTypeLiteral?: JSDocTypeLiteral; - } - interface JSDocPropertyTag extends JSDocTag, TypeElement { - kind: SyntaxKind.JSDocPropertyTag; - name: Identifier; - typeExpression: JSDocTypeExpression; - } - interface JSDocTypeLiteral extends JSDocType { - kind: SyntaxKind.JSDocTypeLiteral; - jsDocPropertyTags?: NodeArray; - jsDocTypeTag?: JSDocTypeTag; + interface CompilerOptions { + allowJs?: boolean; + allowSyntheticDefaultImports?: boolean; + allowUnreachableCode?: boolean; + allowUnusedLabels?: boolean; + baseUrl?: string; + charset?: string; + declaration?: boolean; + declarationDir?: string; + disableSizeLimit?: boolean; + emitBOM?: boolean; + emitDecoratorMetadata?: boolean; + experimentalDecorators?: boolean; + forceConsistentCasingInFileNames?: boolean; + inlineSourceMap?: boolean; + inlineSources?: boolean; + isolatedModules?: boolean; + jsx?: JsxEmit | ts.JsxEmit; + lib?: string[]; + locale?: string; + mapRoot?: string; + maxNodeModuleJsDepth?: number; + module?: ModuleKind | ts.ModuleKind; + moduleResolution?: ModuleResolutionKind | ts.ModuleResolutionKind; + newLine?: NewLineKind | ts.NewLineKind; + noEmit?: boolean; + noEmitHelpers?: boolean; + noEmitOnError?: boolean; + noErrorTruncation?: boolean; + noFallthroughCasesInSwitch?: boolean; + noImplicitAny?: boolean; + noImplicitReturns?: boolean; + noImplicitThis?: boolean; + noUnusedLocals?: boolean; + noUnusedParameters?: boolean; + noImplicitUseStrict?: boolean; + noLib?: boolean; + noResolve?: boolean; + out?: string; + outDir?: string; + outFile?: string; + paths?: MapLike; + preserveConstEnums?: boolean; + project?: string; + reactNamespace?: string; + removeComments?: boolean; + rootDir?: string; + rootDirs?: string[]; + skipLibCheck?: boolean; + skipDefaultLibCheck?: boolean; + sourceMap?: boolean; + sourceRoot?: string; + strictNullChecks?: boolean; + suppressExcessPropertyErrors?: boolean; + suppressImplicitAnyIndexErrors?: boolean; + target?: ScriptTarget | ts.ScriptTarget; + traceResolution?: boolean; + types?: string[]; + typeRoots?: string[]; + [option: string]: CompilerOptionsValue | undefined; } - interface JSDocParameterTag extends JSDocTag { - kind: SyntaxKind.JSDocParameterTag; - preParameterName?: Identifier; - typeExpression?: JSDocTypeExpression; - postParameterName?: Identifier; - parameterName: Identifier; - isBracketed: boolean; + namespace JsxEmit { + type None = "None"; + type Preserve = "Preserve"; + type React = "React"; } - const enum FlowFlags { - Unreachable = 1, - Start = 2, - BranchLabel = 4, - LoopLabel = 8, - Assignment = 16, - TrueCondition = 32, - FalseCondition = 64, - SwitchClause = 128, - ArrayMutation = 256, - Referenced = 512, - Shared = 1024, - Label = 12, - Condition = 96, + type JsxEmit = JsxEmit.None | JsxEmit.Preserve | JsxEmit.React; + namespace ModuleKind { + type None = "None"; + type CommonJS = "CommonJS"; + type AMD = "AMD"; + type UMD = "UMD"; + type System = "System"; + type ES6 = "ES6"; + type ES2015 = "ES2015"; } - interface FlowNode { - flags: FlowFlags; - id?: number; + type ModuleKind = ModuleKind.None | ModuleKind.CommonJS | ModuleKind.AMD | ModuleKind.UMD | ModuleKind.System | ModuleKind.ES6 | ModuleKind.ES2015; + namespace ModuleResolutionKind { + type Classic = "Classic"; + type Node = "Node"; } - interface FlowStart extends FlowNode { - container?: FunctionExpression | ArrowFunction | MethodDeclaration; + type ModuleResolutionKind = ModuleResolutionKind.Classic | ModuleResolutionKind.Node; + namespace NewLineKind { + type Crlf = "Crlf"; + type Lf = "Lf"; } - interface FlowLabel extends FlowNode { - antecedents: FlowNode[]; + type NewLineKind = NewLineKind.Crlf | NewLineKind.Lf; + namespace ScriptTarget { + type ES3 = "ES3"; + type ES5 = "ES5"; + type ES6 = "ES6"; + type ES2015 = "ES2015"; } - interface FlowAssignment extends FlowNode { - node: Expression | VariableDeclaration | BindingElement; - antecedent: FlowNode; + type ScriptTarget = ScriptTarget.ES3 | ScriptTarget.ES5 | ScriptTarget.ES6 | ScriptTarget.ES2015; +} +declare namespace ts { + interface MapLike { + [index: string]: T; } - interface FlowCondition extends FlowNode { - expression: Expression; - antecedent: FlowNode; + interface Map extends MapLike { + __mapBrand: any; } - interface FlowSwitchClause extends FlowNode { - switchStatement: SwitchStatement; - clauseStart: number; - clauseEnd: number; - antecedent: FlowNode; + type Path = string & { + __pathBrand: any; + }; + interface FileMap { + get(fileName: Path): T; + set(fileName: Path, value: T): void; + contains(fileName: Path): boolean; + remove(fileName: Path): void; + forEachValue(f: (key: Path, v: T) => void): void; + getKeys(): Path[]; + clear(): void; } - interface FlowArrayMutation extends FlowNode { - node: CallExpression | BinaryExpression; - antecedent: FlowNode; + interface TextRange { + pos: number; + end: number; } - type FlowType = Type | IncompleteType; - interface IncompleteType { - flags: TypeFlags; - type: Type; + const enum SyntaxKind { + Unknown = 0, + EndOfFileToken = 1, + SingleLineCommentTrivia = 2, + MultiLineCommentTrivia = 3, + NewLineTrivia = 4, + WhitespaceTrivia = 5, + ShebangTrivia = 6, + ConflictMarkerTrivia = 7, + NumericLiteral = 8, + StringLiteral = 9, + JsxText = 10, + RegularExpressionLiteral = 11, + NoSubstitutionTemplateLiteral = 12, + TemplateHead = 13, + TemplateMiddle = 14, + TemplateTail = 15, + OpenBraceToken = 16, + CloseBraceToken = 17, + OpenParenToken = 18, + CloseParenToken = 19, + OpenBracketToken = 20, + CloseBracketToken = 21, + DotToken = 22, + DotDotDotToken = 23, + SemicolonToken = 24, + CommaToken = 25, + LessThanToken = 26, + LessThanSlashToken = 27, + GreaterThanToken = 28, + LessThanEqualsToken = 29, + GreaterThanEqualsToken = 30, + EqualsEqualsToken = 31, + ExclamationEqualsToken = 32, + EqualsEqualsEqualsToken = 33, + ExclamationEqualsEqualsToken = 34, + EqualsGreaterThanToken = 35, + PlusToken = 36, + MinusToken = 37, + AsteriskToken = 38, + AsteriskAsteriskToken = 39, + SlashToken = 40, + PercentToken = 41, + PlusPlusToken = 42, + MinusMinusToken = 43, + LessThanLessThanToken = 44, + GreaterThanGreaterThanToken = 45, + GreaterThanGreaterThanGreaterThanToken = 46, + AmpersandToken = 47, + BarToken = 48, + CaretToken = 49, + ExclamationToken = 50, + TildeToken = 51, + AmpersandAmpersandToken = 52, + BarBarToken = 53, + QuestionToken = 54, + ColonToken = 55, + AtToken = 56, + EqualsToken = 57, + PlusEqualsToken = 58, + MinusEqualsToken = 59, + AsteriskEqualsToken = 60, + AsteriskAsteriskEqualsToken = 61, + SlashEqualsToken = 62, + PercentEqualsToken = 63, + LessThanLessThanEqualsToken = 64, + GreaterThanGreaterThanEqualsToken = 65, + GreaterThanGreaterThanGreaterThanEqualsToken = 66, + AmpersandEqualsToken = 67, + BarEqualsToken = 68, + CaretEqualsToken = 69, + Identifier = 70, + BreakKeyword = 71, + CaseKeyword = 72, + CatchKeyword = 73, + ClassKeyword = 74, + ConstKeyword = 75, + ContinueKeyword = 76, + DebuggerKeyword = 77, + DefaultKeyword = 78, + DeleteKeyword = 79, + DoKeyword = 80, + ElseKeyword = 81, + EnumKeyword = 82, + ExportKeyword = 83, + ExtendsKeyword = 84, + FalseKeyword = 85, + FinallyKeyword = 86, + ForKeyword = 87, + FunctionKeyword = 88, + IfKeyword = 89, + ImportKeyword = 90, + InKeyword = 91, + InstanceOfKeyword = 92, + NewKeyword = 93, + NullKeyword = 94, + ReturnKeyword = 95, + SuperKeyword = 96, + SwitchKeyword = 97, + ThisKeyword = 98, + ThrowKeyword = 99, + TrueKeyword = 100, + TryKeyword = 101, + TypeOfKeyword = 102, + VarKeyword = 103, + VoidKeyword = 104, + WhileKeyword = 105, + WithKeyword = 106, + ImplementsKeyword = 107, + InterfaceKeyword = 108, + LetKeyword = 109, + PackageKeyword = 110, + PrivateKeyword = 111, + ProtectedKeyword = 112, + PublicKeyword = 113, + StaticKeyword = 114, + YieldKeyword = 115, + AbstractKeyword = 116, + AsKeyword = 117, + AnyKeyword = 118, + AsyncKeyword = 119, + AwaitKeyword = 120, + BooleanKeyword = 121, + ConstructorKeyword = 122, + DeclareKeyword = 123, + GetKeyword = 124, + IsKeyword = 125, + ModuleKeyword = 126, + NamespaceKeyword = 127, + NeverKeyword = 128, + ReadonlyKeyword = 129, + RequireKeyword = 130, + NumberKeyword = 131, + SetKeyword = 132, + StringKeyword = 133, + SymbolKeyword = 134, + TypeKeyword = 135, + UndefinedKeyword = 136, + FromKeyword = 137, + GlobalKeyword = 138, + OfKeyword = 139, + QualifiedName = 140, + ComputedPropertyName = 141, + TypeParameter = 142, + Parameter = 143, + Decorator = 144, + PropertySignature = 145, + PropertyDeclaration = 146, + MethodSignature = 147, + MethodDeclaration = 148, + Constructor = 149, + GetAccessor = 150, + SetAccessor = 151, + CallSignature = 152, + ConstructSignature = 153, + IndexSignature = 154, + TypePredicate = 155, + TypeReference = 156, + FunctionType = 157, + ConstructorType = 158, + TypeQuery = 159, + TypeLiteral = 160, + ArrayType = 161, + TupleType = 162, + UnionType = 163, + IntersectionType = 164, + ParenthesizedType = 165, + ThisType = 166, + LiteralType = 167, + ObjectBindingPattern = 168, + ArrayBindingPattern = 169, + BindingElement = 170, + ArrayLiteralExpression = 171, + ObjectLiteralExpression = 172, + PropertyAccessExpression = 173, + ElementAccessExpression = 174, + CallExpression = 175, + NewExpression = 176, + TaggedTemplateExpression = 177, + TypeAssertionExpression = 178, + ParenthesizedExpression = 179, + FunctionExpression = 180, + ArrowFunction = 181, + DeleteExpression = 182, + TypeOfExpression = 183, + VoidExpression = 184, + AwaitExpression = 185, + PrefixUnaryExpression = 186, + PostfixUnaryExpression = 187, + BinaryExpression = 188, + ConditionalExpression = 189, + TemplateExpression = 190, + YieldExpression = 191, + SpreadElementExpression = 192, + ClassExpression = 193, + OmittedExpression = 194, + ExpressionWithTypeArguments = 195, + AsExpression = 196, + NonNullExpression = 197, + TemplateSpan = 198, + SemicolonClassElement = 199, + Block = 200, + VariableStatement = 201, + EmptyStatement = 202, + ExpressionStatement = 203, + IfStatement = 204, + DoStatement = 205, + WhileStatement = 206, + ForStatement = 207, + ForInStatement = 208, + ForOfStatement = 209, + ContinueStatement = 210, + BreakStatement = 211, + ReturnStatement = 212, + WithStatement = 213, + SwitchStatement = 214, + LabeledStatement = 215, + ThrowStatement = 216, + TryStatement = 217, + DebuggerStatement = 218, + VariableDeclaration = 219, + VariableDeclarationList = 220, + FunctionDeclaration = 221, + ClassDeclaration = 222, + InterfaceDeclaration = 223, + TypeAliasDeclaration = 224, + EnumDeclaration = 225, + ModuleDeclaration = 226, + ModuleBlock = 227, + CaseBlock = 228, + NamespaceExportDeclaration = 229, + ImportEqualsDeclaration = 230, + ImportDeclaration = 231, + ImportClause = 232, + NamespaceImport = 233, + NamedImports = 234, + ImportSpecifier = 235, + ExportAssignment = 236, + ExportDeclaration = 237, + NamedExports = 238, + ExportSpecifier = 239, + MissingDeclaration = 240, + ExternalModuleReference = 241, + JsxElement = 242, + JsxSelfClosingElement = 243, + JsxOpeningElement = 244, + JsxClosingElement = 245, + JsxAttribute = 246, + JsxSpreadAttribute = 247, + JsxExpression = 248, + CaseClause = 249, + DefaultClause = 250, + HeritageClause = 251, + CatchClause = 252, + PropertyAssignment = 253, + ShorthandPropertyAssignment = 254, + EnumMember = 255, + SourceFile = 256, + JSDocTypeExpression = 257, + JSDocAllType = 258, + JSDocUnknownType = 259, + JSDocArrayType = 260, + JSDocUnionType = 261, + JSDocTupleType = 262, + JSDocNullableType = 263, + JSDocNonNullableType = 264, + JSDocRecordType = 265, + JSDocRecordMember = 266, + JSDocTypeReference = 267, + JSDocOptionalType = 268, + JSDocFunctionType = 269, + JSDocVariadicType = 270, + JSDocConstructorType = 271, + JSDocThisType = 272, + JSDocComment = 273, + JSDocTag = 274, + JSDocParameterTag = 275, + JSDocReturnTag = 276, + JSDocTypeTag = 277, + JSDocTemplateTag = 278, + JSDocTypedefTag = 279, + JSDocPropertyTag = 280, + JSDocTypeLiteral = 281, + JSDocLiteralType = 282, + JSDocNullKeyword = 283, + JSDocUndefinedKeyword = 284, + JSDocNeverKeyword = 285, + SyntaxList = 286, + NotEmittedStatement = 287, + PartiallyEmittedExpression = 288, + Count = 289, + FirstAssignment = 57, + LastAssignment = 69, + FirstCompoundAssignment = 58, + LastCompoundAssignment = 69, + FirstReservedWord = 71, + LastReservedWord = 106, + FirstKeyword = 71, + LastKeyword = 139, + FirstFutureReservedWord = 107, + LastFutureReservedWord = 115, + FirstTypeNode = 155, + LastTypeNode = 167, + FirstPunctuation = 16, + LastPunctuation = 69, + FirstToken = 0, + LastToken = 139, + FirstTriviaToken = 2, + LastTriviaToken = 7, + FirstLiteralToken = 8, + LastLiteralToken = 12, + FirstTemplateToken = 12, + LastTemplateToken = 15, + FirstBinaryOperator = 26, + LastBinaryOperator = 69, + FirstNode = 140, + FirstJSDocNode = 257, + LastJSDocNode = 282, + FirstJSDocTagNode = 273, + LastJSDocTagNode = 285, + } + const enum NodeFlags { + None = 0, + Let = 1, + Const = 2, + NestedNamespace = 4, + Synthesized = 8, + Namespace = 16, + ExportContext = 32, + ContainsThis = 64, + HasImplicitReturn = 128, + HasExplicitReturn = 256, + GlobalAugmentation = 512, + HasClassExtends = 1024, + HasDecorators = 2048, + HasParamDecorators = 4096, + HasAsyncFunctions = 8192, + HasJsxSpreadAttributes = 16384, + DisallowInContext = 32768, + YieldContext = 65536, + DecoratorContext = 131072, + AwaitContext = 262144, + ThisNodeHasError = 524288, + JavaScriptFile = 1048576, + ThisNodeOrAnySubNodesHasError = 2097152, + HasAggregatedChildData = 4194304, + BlockScoped = 3, + ReachabilityCheckFlags = 384, + EmitHelperFlags = 31744, + ReachabilityAndEmitFlags = 32128, + ContextFlags = 1540096, + TypeExcludesFlags = 327680, + } + const enum ModifierFlags { + None = 0, + Export = 1, + Ambient = 2, + Public = 4, + Private = 8, + Protected = 16, + Static = 32, + Readonly = 64, + Abstract = 128, + Async = 256, + Default = 512, + Const = 2048, + HasComputedFlags = 536870912, + AccessibilityModifier = 28, + ParameterPropertyModifier = 92, + NonPublicAccessibilityModifier = 24, + TypeScriptModifier = 2270, + } + const enum JsxFlags { + None = 0, + IntrinsicNamedElement = 1, + IntrinsicIndexedElement = 2, + IntrinsicElement = 3, + } + const enum RelationComparisonResult { + Succeeded = 1, + Failed = 2, + FailedAndReported = 3, + } + interface Node extends TextRange { + kind: SyntaxKind; + flags: NodeFlags; + modifierFlagsCache?: ModifierFlags; + transformFlags?: TransformFlags; + decorators?: NodeArray; + modifiers?: ModifiersArray; + id?: number; + parent?: Node; + original?: Node; + startsOnNewLine?: boolean; + jsDocComments?: JSDoc[]; + symbol?: Symbol; + locals?: SymbolTable; + nextContainer?: Node; + localSymbol?: Symbol; + flowNode?: FlowNode; + emitNode?: EmitNode; + } + interface NodeArray extends Array, TextRange { + hasTrailingComma?: boolean; + } + interface Token extends Node { + kind: TKind; + } + type DotDotDotToken = Token; + type QuestionToken = Token; + type ColonToken = Token; + type EqualsToken = Token; + type AsteriskToken = Token; + type EqualsGreaterThanToken = Token; + type EndOfFileToken = Token; + type AtToken = Token; + type Modifier = Token | Token | Token | Token | Token | Token | Token | Token | Token | Token | Token; + type ModifiersArray = NodeArray; + const enum GeneratedIdentifierKind { + None = 0, + Auto = 1, + Loop = 2, + Unique = 3, + Node = 4, + } + interface Identifier extends PrimaryExpression { + kind: SyntaxKind.Identifier; + text: string; + originalKeywordKind?: SyntaxKind; + autoGenerateKind?: GeneratedIdentifierKind; + autoGenerateId?: number; + isInJSDocNamespace?: boolean; + } + interface TransientIdentifier extends Identifier { + resolvedSymbol: Symbol; + } + interface QualifiedName extends Node { + kind: SyntaxKind.QualifiedName; + left: EntityName; + right: Identifier; + } + type EntityName = Identifier | QualifiedName; + type PropertyName = Identifier | LiteralExpression | ComputedPropertyName; + type DeclarationName = Identifier | LiteralExpression | ComputedPropertyName | BindingPattern; + interface Declaration extends Node { + _declarationBrand: any; + name?: DeclarationName; + } + interface DeclarationStatement extends Declaration, Statement { + name?: Identifier | LiteralExpression; + } + interface ComputedPropertyName extends Node { + kind: SyntaxKind.ComputedPropertyName; + expression: Expression; + } + interface Decorator extends Node { + kind: SyntaxKind.Decorator; + expression: LeftHandSideExpression; + } + interface TypeParameterDeclaration extends Declaration { + kind: SyntaxKind.TypeParameter; + name: Identifier; + constraint?: TypeNode; + expression?: Expression; + } + interface SignatureDeclaration extends Declaration { + name?: PropertyName; + typeParameters?: NodeArray; + parameters: NodeArray; + type?: TypeNode; + } + interface CallSignatureDeclaration extends SignatureDeclaration, TypeElement { + kind: SyntaxKind.CallSignature; + } + interface ConstructSignatureDeclaration extends SignatureDeclaration, TypeElement { + kind: SyntaxKind.ConstructSignature; + } + type BindingName = Identifier | BindingPattern; + interface VariableDeclaration extends Declaration { + kind: SyntaxKind.VariableDeclaration; + parent?: VariableDeclarationList; + name: BindingName; + type?: TypeNode; + initializer?: Expression; + } + interface VariableDeclarationList extends Node { + kind: SyntaxKind.VariableDeclarationList; + declarations: NodeArray; + } + interface ParameterDeclaration extends Declaration { + kind: SyntaxKind.Parameter; + dotDotDotToken?: DotDotDotToken; + name: BindingName; + questionToken?: QuestionToken; + type?: TypeNode; + initializer?: Expression; + } + interface BindingElement extends Declaration { + kind: SyntaxKind.BindingElement; + propertyName?: PropertyName; + dotDotDotToken?: DotDotDotToken; + name: BindingName; + initializer?: Expression; + } + interface PropertySignature extends TypeElement { + kind: SyntaxKind.PropertySignature | SyntaxKind.JSDocRecordMember; + name: PropertyName; + questionToken?: QuestionToken; + type?: TypeNode; + initializer?: Expression; + } + interface PropertyDeclaration extends ClassElement { + kind: SyntaxKind.PropertyDeclaration; + questionToken?: QuestionToken; + name: PropertyName; + type?: TypeNode; + initializer?: Expression; + } + interface ObjectLiteralElement extends Declaration { + _objectLiteralBrandBrand: any; + name?: PropertyName; + } + type ObjectLiteralElementLike = PropertyAssignment | ShorthandPropertyAssignment | MethodDeclaration | AccessorDeclaration; + interface PropertyAssignment extends ObjectLiteralElement { + kind: SyntaxKind.PropertyAssignment; + name: PropertyName; + questionToken?: QuestionToken; + initializer: Expression; + } + interface ShorthandPropertyAssignment extends ObjectLiteralElement { + kind: SyntaxKind.ShorthandPropertyAssignment; + name: Identifier; + questionToken?: QuestionToken; + equalsToken?: Token; + objectAssignmentInitializer?: Expression; + } + interface VariableLikeDeclaration extends Declaration { + propertyName?: PropertyName; + dotDotDotToken?: DotDotDotToken; + name: DeclarationName; + questionToken?: QuestionToken; + type?: TypeNode; + initializer?: Expression; + } + interface PropertyLikeDeclaration extends Declaration { + name: PropertyName; + } + interface BindingPattern extends Node { + elements: NodeArray; + } + interface ObjectBindingPattern extends BindingPattern { + kind: SyntaxKind.ObjectBindingPattern; + elements: NodeArray; + } + type ArrayBindingElement = BindingElement | OmittedExpression; + interface ArrayBindingPattern extends BindingPattern { + kind: SyntaxKind.ArrayBindingPattern; + elements: NodeArray; + } + interface FunctionLikeDeclaration extends SignatureDeclaration { + _functionLikeDeclarationBrand: any; + asteriskToken?: AsteriskToken; + questionToken?: QuestionToken; + body?: Block | Expression; + } + interface FunctionDeclaration extends FunctionLikeDeclaration, DeclarationStatement { + kind: SyntaxKind.FunctionDeclaration; + name?: Identifier; + body?: FunctionBody; + } + interface MethodSignature extends SignatureDeclaration, TypeElement { + kind: SyntaxKind.MethodSignature; + name: PropertyName; + } + interface MethodDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { + kind: SyntaxKind.MethodDeclaration; + name: PropertyName; + body?: FunctionBody; + } + interface ConstructorDeclaration extends FunctionLikeDeclaration, ClassElement { + kind: SyntaxKind.Constructor; + body?: FunctionBody; + } + interface SemicolonClassElement extends ClassElement { + kind: SyntaxKind.SemicolonClassElement; + } + interface GetAccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { + kind: SyntaxKind.GetAccessor; + name: PropertyName; + body: FunctionBody; + } + interface SetAccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { + kind: SyntaxKind.SetAccessor; + name: PropertyName; + body: FunctionBody; + } + type AccessorDeclaration = GetAccessorDeclaration | SetAccessorDeclaration; + interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement, TypeElement { + kind: SyntaxKind.IndexSignature; + } + interface TypeNode extends Node { + _typeNodeBrand: any; + } + interface KeywordTypeNode extends TypeNode { + kind: SyntaxKind.AnyKeyword | SyntaxKind.NumberKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.StringKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.VoidKeyword; + } + interface ThisTypeNode extends TypeNode { + kind: SyntaxKind.ThisType; + } + interface FunctionOrConstructorTypeNode extends TypeNode, SignatureDeclaration { + kind: SyntaxKind.FunctionType | SyntaxKind.ConstructorType; + } + interface FunctionTypeNode extends FunctionOrConstructorTypeNode { + kind: SyntaxKind.FunctionType; + } + interface ConstructorTypeNode extends FunctionOrConstructorTypeNode { + kind: SyntaxKind.ConstructorType; + } + interface TypeReferenceNode extends TypeNode { + kind: SyntaxKind.TypeReference; + typeName: EntityName; + typeArguments?: NodeArray; + } + interface TypePredicateNode extends TypeNode { + kind: SyntaxKind.TypePredicate; + parameterName: Identifier | ThisTypeNode; + type: TypeNode; + } + interface TypeQueryNode extends TypeNode { + kind: SyntaxKind.TypeQuery; + exprName: EntityName; + } + interface TypeLiteralNode extends TypeNode, Declaration { + kind: SyntaxKind.TypeLiteral; + members: NodeArray; + } + interface ArrayTypeNode extends TypeNode { + kind: SyntaxKind.ArrayType; + elementType: TypeNode; + } + interface TupleTypeNode extends TypeNode { + kind: SyntaxKind.TupleType; + elementTypes: NodeArray; + } + interface UnionOrIntersectionTypeNode extends TypeNode { + kind: SyntaxKind.UnionType | SyntaxKind.IntersectionType; + types: NodeArray; + } + interface UnionTypeNode extends UnionOrIntersectionTypeNode { + kind: SyntaxKind.UnionType; + } + interface IntersectionTypeNode extends UnionOrIntersectionTypeNode { + kind: SyntaxKind.IntersectionType; + } + interface ParenthesizedTypeNode extends TypeNode { + kind: SyntaxKind.ParenthesizedType; + type: TypeNode; + } + interface LiteralTypeNode extends TypeNode { + kind: SyntaxKind.LiteralType; + literal: Expression; + } + interface StringLiteral extends LiteralExpression { + kind: SyntaxKind.StringLiteral; + textSourceNode?: Identifier | StringLiteral; + } + interface Expression extends Node { + _expressionBrand: any; + contextualType?: Type; + } + interface OmittedExpression extends Expression { + kind: SyntaxKind.OmittedExpression; + } + interface PartiallyEmittedExpression extends LeftHandSideExpression { + kind: SyntaxKind.PartiallyEmittedExpression; + expression: Expression; + } + interface UnaryExpression extends Expression { + _unaryExpressionBrand: any; + } + interface IncrementExpression extends UnaryExpression { + _incrementExpressionBrand: any; + } + type PrefixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken | SyntaxKind.PlusToken | SyntaxKind.MinusToken | SyntaxKind.TildeToken | SyntaxKind.ExclamationToken; + interface PrefixUnaryExpression extends IncrementExpression { + kind: SyntaxKind.PrefixUnaryExpression; + operator: PrefixUnaryOperator; + operand: UnaryExpression; + } + type PostfixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken; + interface PostfixUnaryExpression extends IncrementExpression { + kind: SyntaxKind.PostfixUnaryExpression; + operand: LeftHandSideExpression; + operator: PostfixUnaryOperator; + } + interface PostfixExpression extends UnaryExpression { + _postfixExpressionBrand: any; + } + interface LeftHandSideExpression extends IncrementExpression { + _leftHandSideExpressionBrand: any; + } + interface MemberExpression extends LeftHandSideExpression { + _memberExpressionBrand: any; } - interface AmdDependency { - path: string; - name: string; + interface PrimaryExpression extends MemberExpression { + _primaryExpressionBrand: any; } - interface SourceFile extends Declaration { - kind: SyntaxKind.SourceFile; - statements: NodeArray; - endOfFileToken: Token; - fileName: string; - path: Path; + interface NullLiteral extends PrimaryExpression { + kind: SyntaxKind.NullKeyword; + } + interface BooleanLiteral extends PrimaryExpression { + kind: SyntaxKind.TrueKeyword | SyntaxKind.FalseKeyword; + } + interface ThisExpression extends PrimaryExpression { + kind: SyntaxKind.ThisKeyword; + } + interface SuperExpression extends PrimaryExpression { + kind: SyntaxKind.SuperKeyword; + } + interface DeleteExpression extends UnaryExpression { + kind: SyntaxKind.DeleteExpression; + expression: UnaryExpression; + } + interface TypeOfExpression extends UnaryExpression { + kind: SyntaxKind.TypeOfExpression; + expression: UnaryExpression; + } + interface VoidExpression extends UnaryExpression { + kind: SyntaxKind.VoidExpression; + expression: UnaryExpression; + } + interface AwaitExpression extends UnaryExpression { + kind: SyntaxKind.AwaitExpression; + expression: UnaryExpression; + } + interface YieldExpression extends Expression { + kind: SyntaxKind.YieldExpression; + asteriskToken?: AsteriskToken; + expression?: Expression; + } + type ExponentiationOperator = SyntaxKind.AsteriskAsteriskToken; + type MultiplicativeOperator = SyntaxKind.AsteriskToken | SyntaxKind.SlashToken | SyntaxKind.PercentToken; + type MultiplicativeOperatorOrHigher = ExponentiationOperator | MultiplicativeOperator; + type AdditiveOperator = SyntaxKind.PlusToken | SyntaxKind.MinusToken; + type AdditiveOperatorOrHigher = MultiplicativeOperatorOrHigher | AdditiveOperator; + type ShiftOperator = SyntaxKind.LessThanLessThanToken | SyntaxKind.GreaterThanGreaterThanToken | SyntaxKind.GreaterThanGreaterThanGreaterThanToken; + type ShiftOperatorOrHigher = AdditiveOperatorOrHigher | ShiftOperator; + type RelationalOperator = SyntaxKind.LessThanToken | SyntaxKind.LessThanEqualsToken | SyntaxKind.GreaterThanToken | SyntaxKind.GreaterThanEqualsToken | SyntaxKind.InstanceOfKeyword | SyntaxKind.InKeyword; + type RelationalOperatorOrHigher = ShiftOperatorOrHigher | RelationalOperator; + type EqualityOperator = SyntaxKind.EqualsEqualsToken | SyntaxKind.EqualsEqualsEqualsToken | SyntaxKind.ExclamationEqualsEqualsToken | SyntaxKind.ExclamationEqualsToken; + type EqualityOperatorOrHigher = RelationalOperatorOrHigher | EqualityOperator; + type BitwiseOperator = SyntaxKind.AmpersandToken | SyntaxKind.BarToken | SyntaxKind.CaretToken; + type BitwiseOperatorOrHigher = EqualityOperatorOrHigher | BitwiseOperator; + type LogicalOperator = SyntaxKind.AmpersandAmpersandToken | SyntaxKind.BarBarToken; + type LogicalOperatorOrHigher = BitwiseOperatorOrHigher | LogicalOperator; + type CompoundAssignmentOperator = SyntaxKind.PlusEqualsToken | SyntaxKind.MinusEqualsToken | SyntaxKind.AsteriskAsteriskEqualsToken | SyntaxKind.AsteriskEqualsToken | SyntaxKind.SlashEqualsToken | SyntaxKind.PercentEqualsToken | SyntaxKind.AmpersandEqualsToken | SyntaxKind.BarEqualsToken | SyntaxKind.CaretEqualsToken | SyntaxKind.LessThanLessThanEqualsToken | SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken | SyntaxKind.GreaterThanGreaterThanEqualsToken; + type AssignmentOperator = SyntaxKind.EqualsToken | CompoundAssignmentOperator; + type AssignmentOperatorOrHigher = LogicalOperatorOrHigher | AssignmentOperator; + type BinaryOperator = AssignmentOperatorOrHigher | SyntaxKind.CommaToken; + type BinaryOperatorToken = Token; + interface BinaryExpression extends Expression, Declaration { + kind: SyntaxKind.BinaryExpression; + left: Expression; + operatorToken: BinaryOperatorToken; + right: Expression; + } + interface ConditionalExpression extends Expression { + kind: SyntaxKind.ConditionalExpression; + condition: Expression; + questionToken: QuestionToken; + whenTrue: Expression; + colonToken: ColonToken; + whenFalse: Expression; + } + type FunctionBody = Block; + type ConciseBody = FunctionBody | Expression; + interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclaration { + kind: SyntaxKind.FunctionExpression; + name?: Identifier; + body: FunctionBody; + } + interface ArrowFunction extends Expression, FunctionLikeDeclaration { + kind: SyntaxKind.ArrowFunction; + equalsGreaterThanToken: EqualsGreaterThanToken; + body: ConciseBody; + } + interface LiteralLikeNode extends Node { text: string; - amdDependencies: AmdDependency[]; - moduleName: string; - referencedFiles: FileReference[]; - typeReferenceDirectives: FileReference[]; - languageVariant: LanguageVariant; - isDeclarationFile: boolean; - hasNoDefaultLib: boolean; - languageVersion: ScriptTarget; + isUnterminated?: boolean; + hasExtendedUnicodeEscape?: boolean; + isOctalLiteral?: boolean; } - interface ScriptReferenceHost { - getCompilerOptions(): CompilerOptions; - getSourceFile(fileName: string): SourceFile; - getSourceFileByPath(path: Path): SourceFile; - getCurrentDirectory(): string; + interface LiteralExpression extends LiteralLikeNode, PrimaryExpression { + _literalExpressionBrand: any; } - interface ParseConfigHost { - useCaseSensitiveFileNames: boolean; - readDirectory(rootDir: string, extensions: string[], excludes: string[], includes: string[]): string[]; - fileExists(path: string): boolean; - readFile(path: string): string; + interface RegularExpressionLiteral extends LiteralExpression { + kind: SyntaxKind.RegularExpressionLiteral; } - interface WriteFileCallback { - (fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void, sourceFiles?: SourceFile[]): void; + interface NoSubstitutionTemplateLiteral extends LiteralExpression { + kind: SyntaxKind.NoSubstitutionTemplateLiteral; } - class OperationCanceledException { + interface NumericLiteral extends LiteralExpression { + kind: SyntaxKind.NumericLiteral; + trailingComment?: string; } - interface CancellationToken { - isCancellationRequested(): boolean; - throwIfCancellationRequested(): void; + interface TemplateHead extends LiteralLikeNode { + kind: SyntaxKind.TemplateHead; } - interface Program extends ScriptReferenceHost { - getRootFileNames(): string[]; - getSourceFiles(): SourceFile[]; - emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean): EmitResult; - getOptionsDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; - getGlobalDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; - getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - getTypeChecker(): TypeChecker; + interface TemplateMiddle extends LiteralLikeNode { + kind: SyntaxKind.TemplateMiddle; } - interface SourceMapSpan { - emittedLine: number; - emittedColumn: number; - sourceLine: number; - sourceColumn: number; - nameIndex?: number; - sourceIndex: number; + interface TemplateTail extends LiteralLikeNode { + kind: SyntaxKind.TemplateTail; + } + type TemplateLiteral = TemplateExpression | NoSubstitutionTemplateLiteral; + interface TemplateExpression extends PrimaryExpression { + kind: SyntaxKind.TemplateExpression; + head: TemplateHead; + templateSpans: NodeArray; + } + interface TemplateSpan extends Node { + kind: SyntaxKind.TemplateSpan; + expression: Expression; + literal: TemplateMiddle | TemplateTail; + } + interface ParenthesizedExpression extends PrimaryExpression { + kind: SyntaxKind.ParenthesizedExpression; + expression: Expression; + } + interface ArrayLiteralExpression extends PrimaryExpression { + kind: SyntaxKind.ArrayLiteralExpression; + elements: NodeArray; + multiLine?: boolean; + } + interface SpreadElementExpression extends Expression { + kind: SyntaxKind.SpreadElementExpression; + expression: Expression; + } + interface ObjectLiteralExpressionBase extends PrimaryExpression, Declaration { + properties: NodeArray; + } + interface ObjectLiteralExpression extends ObjectLiteralExpressionBase { + kind: SyntaxKind.ObjectLiteralExpression; + multiLine?: boolean; + } + type EntityNameExpression = Identifier | PropertyAccessEntityNameExpression; + type EntityNameOrEntityNameExpression = EntityName | EntityNameExpression; + interface PropertyAccessExpression extends MemberExpression, Declaration { + kind: SyntaxKind.PropertyAccessExpression; + expression: LeftHandSideExpression; + name: Identifier; + } + interface SuperPropertyAccessExpression extends PropertyAccessExpression { + expression: SuperExpression; + } + interface PropertyAccessEntityNameExpression extends PropertyAccessExpression { + _propertyAccessExpressionLikeQualifiedNameBrand?: any; + expression: EntityNameExpression; + } + interface ElementAccessExpression extends MemberExpression { + kind: SyntaxKind.ElementAccessExpression; + expression: LeftHandSideExpression; + argumentExpression?: Expression; + } + interface SuperElementAccessExpression extends ElementAccessExpression { + expression: SuperExpression; + } + type SuperProperty = SuperPropertyAccessExpression | SuperElementAccessExpression; + interface CallExpression extends LeftHandSideExpression, Declaration { + kind: SyntaxKind.CallExpression; + expression: LeftHandSideExpression; + typeArguments?: NodeArray; + arguments: NodeArray; + } + interface SuperCall extends CallExpression { + expression: SuperExpression; + } + interface ExpressionWithTypeArguments extends TypeNode { + kind: SyntaxKind.ExpressionWithTypeArguments; + expression: LeftHandSideExpression; + typeArguments?: NodeArray; + } + interface NewExpression extends PrimaryExpression, Declaration { + kind: SyntaxKind.NewExpression; + expression: LeftHandSideExpression; + typeArguments?: NodeArray; + arguments: NodeArray; + } + interface TaggedTemplateExpression extends MemberExpression { + kind: SyntaxKind.TaggedTemplateExpression; + tag: LeftHandSideExpression; + template: TemplateLiteral; + } + type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator; + interface AsExpression extends Expression { + kind: SyntaxKind.AsExpression; + expression: Expression; + type: TypeNode; + } + interface TypeAssertion extends UnaryExpression { + kind: SyntaxKind.TypeAssertionExpression; + type: TypeNode; + expression: UnaryExpression; + } + type AssertionExpression = TypeAssertion | AsExpression; + interface NonNullExpression extends LeftHandSideExpression { + kind: SyntaxKind.NonNullExpression; + expression: Expression; + } + interface JsxElement extends PrimaryExpression { + kind: SyntaxKind.JsxElement; + openingElement: JsxOpeningElement; + children: NodeArray; + closingElement: JsxClosingElement; + } + type JsxTagNameExpression = PrimaryExpression | PropertyAccessExpression; + interface JsxOpeningElement extends Expression { + kind: SyntaxKind.JsxOpeningElement; + tagName: JsxTagNameExpression; + attributes: NodeArray; } - interface SourceMapData { - sourceMapFilePath: string; - jsSourceMappingURL: string; - sourceMapFile: string; - sourceMapSourceRoot: string; - sourceMapSources: string[]; - sourceMapSourcesContent?: string[]; - inputSourceFileNames: string[]; - sourceMapNames?: string[]; - sourceMapMappings: string; - sourceMapDecodedMappings: SourceMapSpan[]; + interface JsxSelfClosingElement extends PrimaryExpression { + kind: SyntaxKind.JsxSelfClosingElement; + tagName: JsxTagNameExpression; + attributes: NodeArray; } - enum ExitStatus { - Success = 0, - DiagnosticsPresent_OutputsSkipped = 1, - DiagnosticsPresent_OutputsGenerated = 2, + type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement; + type JsxAttributeLike = JsxAttribute | JsxSpreadAttribute; + interface JsxAttribute extends Node { + kind: SyntaxKind.JsxAttribute; + name: Identifier; + initializer?: StringLiteral | JsxExpression; } - interface EmitResult { - emitSkipped: boolean; - diagnostics: Diagnostic[]; - emittedFiles: string[]; + interface JsxSpreadAttribute extends Node { + kind: SyntaxKind.JsxSpreadAttribute; + expression: Expression; } - interface TypeChecker { - getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type; - getDeclaredTypeOfSymbol(symbol: Symbol): Type; - getPropertiesOfType(type: Type): Symbol[]; - getPropertyOfType(type: Type, propertyName: string): Symbol; - getSignaturesOfType(type: Type, kind: SignatureKind): Signature[]; - getIndexTypeOfType(type: Type, kind: IndexKind): Type; - getBaseTypes(type: InterfaceType): ObjectType[]; - getReturnTypeOfSignature(signature: Signature): Type; - getNonNullableType(type: Type): Type; - getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[]; - getSymbolAtLocation(node: Node): Symbol; - getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[]; - getShorthandAssignmentValueSymbol(location: Node): Symbol; - getExportSpecifierLocalTargetSymbol(location: ExportSpecifier): Symbol; - getPropertySymbolOfDestructuringAssignment(location: Identifier): Symbol; - getTypeAtLocation(node: Node): Type; - typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string; - symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): string; - getSymbolDisplayBuilder(): SymbolDisplayBuilder; - getFullyQualifiedName(symbol: Symbol): string; - getAugmentedPropertiesOfType(type: Type): Symbol[]; - getRootSymbols(symbol: Symbol): Symbol[]; - getContextualType(node: Expression): Type; - getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[]): Signature; - getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature; - isImplementationOfOverload(node: FunctionLikeDeclaration): boolean; - isUndefinedSymbol(symbol: Symbol): boolean; - isArgumentsSymbol(symbol: Symbol): boolean; - isUnknownSymbol(symbol: Symbol): boolean; - getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): number; - isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName, propertyName: string): boolean; - getAliasedSymbol(symbol: Symbol): Symbol; - getExportsOfModule(moduleSymbol: Symbol): Symbol[]; - getJsxElementAttributesType(elementNode: JsxOpeningLikeElement): Type; - getJsxIntrinsicTagNames(): Symbol[]; - isOptionalParameter(node: ParameterDeclaration): boolean; - getAmbientModules(): Symbol[]; + interface JsxClosingElement extends Node { + kind: SyntaxKind.JsxClosingElement; + tagName: JsxTagNameExpression; } - interface SymbolDisplayBuilder { - buildTypeDisplay(type: Type, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildSymbolDisplay(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): void; - buildSignatureDisplay(signatures: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): void; - buildParameterDisplay(parameter: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypeParameterDisplay(tp: TypeParameter, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypePredicateDisplay(predicate: TypePredicate, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypeParameterDisplayFromSymbol(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildDisplayForParametersAndDelimiters(thisParameter: Symbol, parameters: Symbol[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildDisplayForTypeParametersAndDelimiters(typeParameters: TypeParameter[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildReturnTypeDisplay(signature: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + interface JsxExpression extends Expression { + kind: SyntaxKind.JsxExpression; + expression?: Expression; } - interface SymbolWriter { - writeKeyword(text: string): void; - writeOperator(text: string): void; - writePunctuation(text: string): void; - writeSpace(text: string): void; - writeStringLiteral(text: string): void; - writeParameter(text: string): void; - writeSymbol(text: string, symbol: Symbol): void; - writeLine(): void; - increaseIndent(): void; - decreaseIndent(): void; - clear(): void; - trackSymbol(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): void; - reportInaccessibleThisError(): void; + interface JsxText extends Node { + kind: SyntaxKind.JsxText; } - const enum TypeFormatFlags { - None = 0, - WriteArrayAsGenericType = 1, - UseTypeOfFunction = 2, - NoTruncation = 4, - WriteArrowStyleSignature = 8, - WriteOwnNameForAnyLike = 16, - WriteTypeArgumentsOfSignature = 32, - InElementType = 64, - UseFullyQualifiedType = 128, - InFirstTypeArgument = 256, - InTypeAlias = 512, - UseTypeAliasValue = 1024, + type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement; + interface Statement extends Node { + _statementBrand: any; } - const enum SymbolFormatFlags { - None = 0, - WriteTypeParametersOrArguments = 1, - UseOnlyExternalAliasing = 2, + interface NotEmittedStatement extends Statement { + kind: SyntaxKind.NotEmittedStatement; } - const enum TypePredicateKind { - This = 0, - Identifier = 1, + interface EmptyStatement extends Statement { + kind: SyntaxKind.EmptyStatement; } - interface TypePredicateBase { - kind: TypePredicateKind; - type: Type; + interface DebuggerStatement extends Statement { + kind: SyntaxKind.DebuggerStatement; } - interface ThisTypePredicate extends TypePredicateBase { - kind: TypePredicateKind.This; + interface MissingDeclaration extends DeclarationStatement, ClassElement, ObjectLiteralElement, TypeElement { + kind: SyntaxKind.MissingDeclaration; + name?: Identifier; } - interface IdentifierTypePredicate extends TypePredicateBase { - kind: TypePredicateKind.Identifier; - parameterName: string; - parameterIndex: number; + type BlockLike = SourceFile | Block | ModuleBlock | CaseClause; + interface Block extends Statement { + kind: SyntaxKind.Block; + statements: NodeArray; + multiLine?: boolean; } - type TypePredicate = IdentifierTypePredicate | ThisTypePredicate; - const enum SymbolFlags { - None = 0, - FunctionScopedVariable = 1, - BlockScopedVariable = 2, - Property = 4, - EnumMember = 8, - Function = 16, - Class = 32, - Interface = 64, - ConstEnum = 128, - RegularEnum = 256, - ValueModule = 512, - NamespaceModule = 1024, - TypeLiteral = 2048, - ObjectLiteral = 4096, - Method = 8192, - Constructor = 16384, - GetAccessor = 32768, - SetAccessor = 65536, - Signature = 131072, - TypeParameter = 262144, - TypeAlias = 524288, - ExportValue = 1048576, - ExportType = 2097152, - ExportNamespace = 4194304, - Alias = 8388608, - Instantiated = 16777216, - Merged = 33554432, - Transient = 67108864, - Prototype = 134217728, - SyntheticProperty = 268435456, - Optional = 536870912, - ExportStar = 1073741824, - Enum = 384, - Variable = 3, - Value = 107455, - Type = 793064, - Namespace = 1920, - Module = 1536, - Accessor = 98304, - FunctionScopedVariableExcludes = 107454, - BlockScopedVariableExcludes = 107455, - ParameterExcludes = 107455, - PropertyExcludes = 0, - EnumMemberExcludes = 900095, - FunctionExcludes = 106927, - ClassExcludes = 899519, - InterfaceExcludes = 792968, - RegularEnumExcludes = 899327, - ConstEnumExcludes = 899967, - ValueModuleExcludes = 106639, - NamespaceModuleExcludes = 0, - MethodExcludes = 99263, - GetAccessorExcludes = 41919, - SetAccessorExcludes = 74687, - TypeParameterExcludes = 530920, - TypeAliasExcludes = 793064, - AliasExcludes = 8388608, - ModuleMember = 8914931, - ExportHasLocal = 944, - HasExports = 1952, - HasMembers = 6240, - BlockScoped = 418, - PropertyOrAccessor = 98308, - Export = 7340032, - ClassMember = 106500, + interface VariableStatement extends Statement { + kind: SyntaxKind.VariableStatement; + declarationList: VariableDeclarationList; } - interface Symbol { - flags: SymbolFlags; - name: string; - declarations?: Declaration[]; - valueDeclaration?: Declaration; - members?: SymbolTable; - exports?: SymbolTable; - globalExports?: SymbolTable; + interface ExpressionStatement extends Statement { + kind: SyntaxKind.ExpressionStatement; + expression: Expression; } - type SymbolTable = Map; - const enum TypeFlags { - Any = 1, - String = 2, - Number = 4, - Boolean = 8, - Enum = 16, - StringLiteral = 32, - NumberLiteral = 64, - BooleanLiteral = 128, - EnumLiteral = 256, - ESSymbol = 512, - Void = 1024, - Undefined = 2048, - Null = 4096, - Never = 8192, - TypeParameter = 16384, - Class = 32768, - Interface = 65536, - Reference = 131072, - Tuple = 262144, - Union = 524288, - Intersection = 1048576, - Anonymous = 2097152, - Instantiated = 4194304, - Literal = 480, - StringOrNumberLiteral = 96, - PossiblyFalsy = 7406, - StringLike = 34, - NumberLike = 340, - BooleanLike = 136, - EnumLike = 272, - ObjectType = 2588672, - UnionOrIntersection = 1572864, - StructuredType = 4161536, - StructuredOrTypeParameter = 4177920, - Narrowable = 4178943, - NotUnionOrUnit = 2589185, + interface IfStatement extends Statement { + kind: SyntaxKind.IfStatement; + expression: Expression; + thenStatement: Statement; + elseStatement?: Statement; } - type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; - interface Type { - flags: TypeFlags; - symbol?: Symbol; - pattern?: DestructuringPattern; - aliasSymbol?: Symbol; - aliasTypeArguments?: Type[]; + interface IterationStatement extends Statement { + statement: Statement; } - interface LiteralType extends Type { - text: string; - freshType?: LiteralType; - regularType?: LiteralType; + interface DoStatement extends IterationStatement { + kind: SyntaxKind.DoStatement; + expression: Expression; } - interface EnumType extends Type { - memberTypes: Map; + interface WhileStatement extends IterationStatement { + kind: SyntaxKind.WhileStatement; + expression: Expression; } - interface EnumLiteralType extends LiteralType { - baseType: EnumType & UnionType; + type ForInitializer = VariableDeclarationList | Expression; + interface ForStatement extends IterationStatement { + kind: SyntaxKind.ForStatement; + initializer?: ForInitializer; + condition?: Expression; + incrementor?: Expression; } - interface ObjectType extends Type { - isObjectLiteralPatternWithComputedProperties?: boolean; + interface ForInStatement extends IterationStatement { + kind: SyntaxKind.ForInStatement; + initializer: ForInitializer; + expression: Expression; } - interface InterfaceType extends ObjectType { - typeParameters: TypeParameter[]; - outerTypeParameters: TypeParameter[]; - localTypeParameters: TypeParameter[]; - thisType: TypeParameter; + interface ForOfStatement extends IterationStatement { + kind: SyntaxKind.ForOfStatement; + initializer: ForInitializer; + expression: Expression; } - interface InterfaceTypeWithDeclaredMembers extends InterfaceType { - declaredProperties: Symbol[]; - declaredCallSignatures: Signature[]; - declaredConstructSignatures: Signature[]; - declaredStringIndexInfo: IndexInfo; - declaredNumberIndexInfo: IndexInfo; + interface BreakStatement extends Statement { + kind: SyntaxKind.BreakStatement; + label?: Identifier; } - interface TypeReference extends ObjectType { - target: GenericType; - typeArguments: Type[]; + interface ContinueStatement extends Statement { + kind: SyntaxKind.ContinueStatement; + label?: Identifier; } - interface GenericType extends InterfaceType, TypeReference { + type BreakOrContinueStatement = BreakStatement | ContinueStatement; + interface ReturnStatement extends Statement { + kind: SyntaxKind.ReturnStatement; + expression?: Expression; } - interface UnionOrIntersectionType extends Type { - types: Type[]; + interface WithStatement extends Statement { + kind: SyntaxKind.WithStatement; + expression: Expression; + statement: Statement; } - interface UnionType extends UnionOrIntersectionType { + interface SwitchStatement extends Statement { + kind: SyntaxKind.SwitchStatement; + expression: Expression; + caseBlock: CaseBlock; + possiblyExhaustive?: boolean; } - interface IntersectionType extends UnionOrIntersectionType { + interface CaseBlock extends Node { + kind: SyntaxKind.CaseBlock; + clauses: NodeArray; } - interface TypeParameter extends Type { - constraint: Type; + interface CaseClause extends Node { + kind: SyntaxKind.CaseClause; + expression: Expression; + statements: NodeArray; } - const enum SignatureKind { - Call = 0, - Construct = 1, + interface DefaultClause extends Node { + kind: SyntaxKind.DefaultClause; + statements: NodeArray; } - interface Signature { - declaration: SignatureDeclaration; - typeParameters: TypeParameter[]; - parameters: Symbol[]; + type CaseOrDefaultClause = CaseClause | DefaultClause; + interface LabeledStatement extends Statement { + kind: SyntaxKind.LabeledStatement; + label: Identifier; + statement: Statement; } - const enum IndexKind { - String = 0, - Number = 1, + interface ThrowStatement extends Statement { + kind: SyntaxKind.ThrowStatement; + expression: Expression; } - interface IndexInfo { - type: Type; - isReadonly: boolean; - declaration?: SignatureDeclaration; + interface TryStatement extends Statement { + kind: SyntaxKind.TryStatement; + tryBlock: Block; + catchClause?: CatchClause; + finallyBlock?: Block; } - interface DiagnosticMessage { - key: string; - category: DiagnosticCategory; - code: number; - message: string; + interface CatchClause extends Node { + kind: SyntaxKind.CatchClause; + variableDeclaration: VariableDeclaration; + block: Block; } - interface DiagnosticMessageChain { - messageText: string; - category: DiagnosticCategory; - code: number; - next?: DiagnosticMessageChain; + type DeclarationWithTypeParameters = SignatureDeclaration | ClassLikeDeclaration | InterfaceDeclaration | TypeAliasDeclaration; + interface ClassLikeDeclaration extends Declaration { + name?: Identifier; + typeParameters?: NodeArray; + heritageClauses?: NodeArray; + members: NodeArray; } - interface Diagnostic { - file: SourceFile; - start: number; - length: number; - messageText: string | DiagnosticMessageChain; - category: DiagnosticCategory; - code: number; + interface ClassDeclaration extends ClassLikeDeclaration, DeclarationStatement { + kind: SyntaxKind.ClassDeclaration; + name?: Identifier; } - enum DiagnosticCategory { - Warning = 0, - Error = 1, - Message = 2, + interface ClassExpression extends ClassLikeDeclaration, PrimaryExpression { + kind: SyntaxKind.ClassExpression; } - enum ModuleResolutionKind { - Classic = 1, - NodeJs = 2, + interface ClassElement extends Declaration { + _classElementBrand: any; + name?: PropertyName; } - type CompilerOptionsValue = string | number | boolean | (string | number)[] | string[] | MapLike; - interface CompilerOptions { - allowJs?: boolean; - allowSyntheticDefaultImports?: boolean; - allowUnreachableCode?: boolean; - allowUnusedLabels?: boolean; - alwaysStrict?: boolean; - baseUrl?: string; - charset?: string; - declaration?: boolean; - declarationDir?: string; - disableSizeLimit?: boolean; - emitBOM?: boolean; - emitDecoratorMetadata?: boolean; - experimentalDecorators?: boolean; - forceConsistentCasingInFileNames?: boolean; - importHelpers?: boolean; - inlineSourceMap?: boolean; - inlineSources?: boolean; - isolatedModules?: boolean; - jsx?: JsxEmit; - lib?: string[]; - locale?: string; - mapRoot?: string; - maxNodeModuleJsDepth?: number; - module?: ModuleKind; - moduleResolution?: ModuleResolutionKind; - newLine?: NewLineKind; - noEmit?: boolean; - noEmitHelpers?: boolean; - noEmitOnError?: boolean; - noErrorTruncation?: boolean; - noFallthroughCasesInSwitch?: boolean; - noImplicitAny?: boolean; - noImplicitReturns?: boolean; - noImplicitThis?: boolean; - noUnusedLocals?: boolean; - noUnusedParameters?: boolean; - noImplicitUseStrict?: boolean; - noLib?: boolean; - noResolve?: boolean; - out?: string; - outDir?: string; - outFile?: string; - paths?: MapLike; - preserveConstEnums?: boolean; - project?: string; - reactNamespace?: string; - removeComments?: boolean; - rootDir?: string; - rootDirs?: string[]; - skipLibCheck?: boolean; - skipDefaultLibCheck?: boolean; - sourceMap?: boolean; - sourceRoot?: string; - strictNullChecks?: boolean; - suppressExcessPropertyErrors?: boolean; - suppressImplicitAnyIndexErrors?: boolean; - target?: ScriptTarget; - traceResolution?: boolean; - types?: string[]; - typeRoots?: string[]; - [option: string]: CompilerOptionsValue | undefined; + interface TypeElement extends Declaration { + _typeElementBrand: any; + name?: PropertyName; + questionToken?: QuestionToken; } - interface TypingOptions { - enableAutoDiscovery?: boolean; - include?: string[]; - exclude?: string[]; - [option: string]: string[] | boolean | undefined; + interface InterfaceDeclaration extends DeclarationStatement { + kind: SyntaxKind.InterfaceDeclaration; + name: Identifier; + typeParameters?: NodeArray; + heritageClauses?: NodeArray; + members: NodeArray; + } + interface HeritageClause extends Node { + kind: SyntaxKind.HeritageClause; + token: SyntaxKind; + types?: NodeArray; + } + interface TypeAliasDeclaration extends DeclarationStatement { + kind: SyntaxKind.TypeAliasDeclaration; + name: Identifier; + typeParameters?: NodeArray; + type: TypeNode; + } + interface EnumMember extends Declaration { + kind: SyntaxKind.EnumMember; + name: PropertyName; + initializer?: Expression; + } + interface EnumDeclaration extends DeclarationStatement { + kind: SyntaxKind.EnumDeclaration; + name: Identifier; + members: NodeArray; } - interface DiscoverTypingsInfo { - fileNames: string[]; - projectRootPath: string; - safeListPath: string; - packageNameToTypingLocation: Map; - typingOptions: TypingOptions; - compilerOptions: CompilerOptions; + type ModuleBody = ModuleBlock | ModuleDeclaration; + type ModuleName = Identifier | StringLiteral; + interface ModuleDeclaration extends DeclarationStatement { + kind: SyntaxKind.ModuleDeclaration; + name: Identifier | LiteralExpression; + body?: ModuleBlock | NamespaceDeclaration | JSDocNamespaceDeclaration | Identifier; } - enum ModuleKind { - None = 0, - CommonJS = 1, - AMD = 2, - UMD = 3, - System = 4, - ES2015 = 5, + interface NamespaceDeclaration extends ModuleDeclaration { + name: Identifier; + body: ModuleBlock | NamespaceDeclaration; } - const enum JsxEmit { - None = 0, - Preserve = 1, - React = 2, + interface JSDocNamespaceDeclaration extends ModuleDeclaration { + name: Identifier; + body: JSDocNamespaceDeclaration | Identifier; } - const enum NewLineKind { - CarriageReturnLineFeed = 0, - LineFeed = 1, + interface ModuleBlock extends Node, Statement { + kind: SyntaxKind.ModuleBlock; + statements: NodeArray; } - interface LineAndCharacter { - line: number; - character: number; + type ModuleReference = EntityName | ExternalModuleReference; + interface ImportEqualsDeclaration extends DeclarationStatement { + kind: SyntaxKind.ImportEqualsDeclaration; + name: Identifier; + moduleReference: ModuleReference; } - const enum ScriptKind { - Unknown = 0, - JS = 1, - JSX = 2, - TS = 3, - TSX = 4, + interface ExternalModuleReference extends Node { + kind: SyntaxKind.ExternalModuleReference; + expression?: Expression; } - const enum ScriptTarget { - ES3 = 0, - ES5 = 1, - ES2015 = 2, - ES2016 = 3, - ES2017 = 4, - Latest = 4, + interface ImportDeclaration extends Statement { + kind: SyntaxKind.ImportDeclaration; + importClause?: ImportClause; + moduleSpecifier: Expression; } - const enum LanguageVariant { - Standard = 0, - JSX = 1, + type NamedImportBindings = NamespaceImport | NamedImports; + interface ImportClause extends Declaration { + kind: SyntaxKind.ImportClause; + name?: Identifier; + namedBindings?: NamedImportBindings; } - interface ParsedCommandLine { - options: CompilerOptions; - typingOptions?: TypingOptions; - fileNames: string[]; - raw?: any; - errors: Diagnostic[]; - wildcardDirectories?: MapLike; - compileOnSave?: boolean; + interface NamespaceImport extends Declaration { + kind: SyntaxKind.NamespaceImport; + name: Identifier; } - const enum WatchDirectoryFlags { - None = 0, - Recursive = 1, + interface NamespaceExportDeclaration extends DeclarationStatement { + kind: SyntaxKind.NamespaceExportDeclaration; + name: Identifier; + moduleReference: LiteralLikeNode; } - interface ExpandResult { - fileNames: string[]; - wildcardDirectories: MapLike; + interface ExportDeclaration extends DeclarationStatement { + kind: SyntaxKind.ExportDeclaration; + exportClause?: NamedExports; + moduleSpecifier?: Expression; } - interface ModuleResolutionHost { - fileExists(fileName: string): boolean; - readFile(fileName: string): string; - trace?(s: string): void; - directoryExists?(directoryName: string): boolean; - realpath?(path: string): string; - getCurrentDirectory?(): string; - getDirectories?(path: string): string[]; + interface NamedImports extends Node { + kind: SyntaxKind.NamedImports; + elements: NodeArray; } - interface ResolvedModule { - resolvedFileName: string; - isExternalLibraryImport?: boolean; + interface NamedExports extends Node { + kind: SyntaxKind.NamedExports; + elements: NodeArray; } - interface ResolvedModuleWithFailedLookupLocations { - resolvedModule: ResolvedModule; - failedLookupLocations: string[]; + type NamedImportsOrExports = NamedImports | NamedExports; + interface ImportSpecifier extends Declaration { + kind: SyntaxKind.ImportSpecifier; + propertyName?: Identifier; + name: Identifier; } - interface ResolvedTypeReferenceDirective { - primary: boolean; - resolvedFileName?: string; + interface ExportSpecifier extends Declaration { + kind: SyntaxKind.ExportSpecifier; + propertyName?: Identifier; + name: Identifier; } - interface ResolvedTypeReferenceDirectiveWithFailedLookupLocations { - resolvedTypeReferenceDirective: ResolvedTypeReferenceDirective; - failedLookupLocations: string[]; + type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier; + interface ExportAssignment extends DeclarationStatement { + kind: SyntaxKind.ExportAssignment; + isExportEquals?: boolean; + expression: Expression; } - interface CompilerHost extends ModuleResolutionHost { - getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; - getSourceFileByPath?(fileName: string, path: Path, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; - getCancellationToken?(): CancellationToken; - getDefaultLibFileName(options: CompilerOptions): string; - getDefaultLibLocation?(): string; - writeFile: WriteFileCallback; - getCurrentDirectory(): string; - getDirectories(path: string): string[]; - getCanonicalFileName(fileName: string): string; - useCaseSensitiveFileNames(): boolean; - getNewLine(): string; - resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; - resolveTypeReferenceDirectives?(typeReferenceDirectiveNames: string[], containingFile: string): ResolvedTypeReferenceDirective[]; - getEnvironmentVariable?(name: string): string; + interface FileReference extends TextRange { + fileName: string; } - interface TextSpan { - start: number; - length: number; + interface CommentRange extends TextRange { + hasTrailingNewLine?: boolean; + kind: SyntaxKind; } - interface TextChangeRange { - span: TextSpan; - newLength: number; + interface JSDocTypeExpression extends Node { + kind: SyntaxKind.JSDocTypeExpression; + type: JSDocType; } - interface SyntaxList extends Node { - _children: Node[]; + interface JSDocType extends TypeNode { + _jsDocTypeBrand: any; } -} -declare namespace ts { - type FileWatcherCallback = (fileName: string, removed?: boolean) => void; - type DirectoryWatcherCallback = (fileName: string) => void; - interface WatchedFile { - fileName: string; - callback: FileWatcherCallback; - mtime?: Date; + interface JSDocAllType extends JSDocType { + kind: SyntaxKind.JSDocAllType; } - interface System { - args: string[]; - newLine: string; - useCaseSensitiveFileNames: boolean; - write(s: string): void; - readFile(path: string, encoding?: string): string; - getFileSize?(path: string): number; - writeFile(path: string, data: string, writeByteOrderMark?: boolean): void; - watchFile?(path: string, callback: FileWatcherCallback): FileWatcher; - watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean): FileWatcher; - resolvePath(path: string): string; - fileExists(path: string): boolean; - directoryExists(path: string): boolean; - createDirectory(path: string): void; - getExecutingFilePath(): string; - getCurrentDirectory(): string; - getDirectories(path: string): string[]; - readDirectory(path: string, extensions?: string[], exclude?: string[], include?: string[]): string[]; - getModifiedTime?(path: string): Date; - createHash?(data: string): string; - getMemoryUsage?(): number; - exit(exitCode?: number): void; - realpath?(path: string): string; + interface JSDocUnknownType extends JSDocType { + kind: SyntaxKind.JSDocUnknownType; } - interface FileWatcher { - close(): void; + interface JSDocArrayType extends JSDocType { + kind: SyntaxKind.JSDocArrayType; + elementType: JSDocType; } - interface DirectoryWatcher extends FileWatcher { - directoryName: string; - referenceCount: number; + interface JSDocUnionType extends JSDocType { + kind: SyntaxKind.JSDocUnionType; + types: NodeArray; } - let sys: System; -} -declare namespace ts { - function getEffectiveTypeRoots(options: CompilerOptions, host: { - directoryExists?: (directoryName: string) => boolean; - getCurrentDirectory?: () => string; - }): string[] | undefined; - function resolveTypeReferenceDirective(typeReferenceDirectiveName: string, containingFile: string, options: CompilerOptions, host: ModuleResolutionHost): ResolvedTypeReferenceDirectiveWithFailedLookupLocations; - function getAutomaticTypeDirectiveNames(options: CompilerOptions, host: ModuleResolutionHost): string[]; - function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; -} -declare namespace ts { - function getDefaultLibFileName(options: CompilerOptions): string; - function textSpanEnd(span: TextSpan): number; - function textSpanIsEmpty(span: TextSpan): boolean; - function textSpanContainsPosition(span: TextSpan, position: number): boolean; - function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean; - function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean; - function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan; - function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean; - function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean; - function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean; - function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean; - function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan; - function createTextSpan(start: number, length: number): TextSpan; - function createTextSpanFromBounds(start: number, end: number): TextSpan; - function textChangeRangeNewSpan(range: TextChangeRange): TextSpan; - function textChangeRangeIsUnchanged(range: TextChangeRange): boolean; - function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange; - let unchangedTextChangeRange: TextChangeRange; - function collapseTextChangeRangesAcrossMultipleVersions(changes: TextChangeRange[]): TextChangeRange; - function getTypeParameterOwner(d: Declaration): Declaration; - function isParameterPropertyDeclaration(node: ParameterDeclaration): boolean; - function getCombinedModifierFlags(node: Node): ModifierFlags; - function getCombinedNodeFlags(node: Node): NodeFlags; -} -declare namespace ts { - interface ErrorCallback { - (message: DiagnosticMessage, length: number): void; + interface JSDocTupleType extends JSDocType { + kind: SyntaxKind.JSDocTupleType; + types: NodeArray; } - interface Scanner { - getStartPos(): number; - getToken(): SyntaxKind; - getTextPos(): number; - getTokenPos(): number; - getTokenText(): string; - getTokenValue(): string; - hasExtendedUnicodeEscape(): boolean; - hasPrecedingLineBreak(): boolean; - isIdentifier(): boolean; - isReservedWord(): boolean; - isUnterminated(): boolean; - reScanGreaterToken(): SyntaxKind; - reScanSlashToken(): SyntaxKind; - reScanTemplateToken(): SyntaxKind; - scanJsxIdentifier(): SyntaxKind; - scanJsxAttributeValue(): SyntaxKind; - reScanJsxToken(): SyntaxKind; - scanJsxToken(): SyntaxKind; - scanJSDocToken(): SyntaxKind; - scan(): SyntaxKind; - getText(): string; - setText(text: string, start?: number, length?: number): void; - setOnError(onError: ErrorCallback): void; - setScriptTarget(scriptTarget: ScriptTarget): void; - setLanguageVariant(variant: LanguageVariant): void; - setTextPos(textPos: number): void; - lookAhead(callback: () => T): T; - scanRange(start: number, length: number, callback: () => T): T; - tryScan(callback: () => T): T; + interface JSDocNonNullableType extends JSDocType { + kind: SyntaxKind.JSDocNonNullableType; + type: JSDocType; } - function tokenToString(t: SyntaxKind): string; - function getPositionOfLineAndCharacter(sourceFile: SourceFile, line: number, character: number): number; - function getLineAndCharacterOfPosition(sourceFile: SourceFile, position: number): LineAndCharacter; - function isWhiteSpace(ch: number): boolean; - function isWhiteSpaceSingleLine(ch: number): boolean; - function isLineBreak(ch: number): boolean; - function couldStartTrivia(text: string, pos: number): boolean; - function forEachLeadingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T) => U, state?: T): U; - function forEachTrailingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T) => U, state?: T): U; - function reduceEachLeadingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T, memo: U) => U, state: T, initial: U): U; - function reduceEachTrailingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T, memo: U) => U, state: T, initial: U): U; - function getLeadingCommentRanges(text: string, pos: number): CommentRange[]; - function getTrailingCommentRanges(text: string, pos: number): CommentRange[]; - function getShebang(text: string): string; - function isIdentifierStart(ch: number, languageVersion: ScriptTarget): boolean; - function isIdentifierPart(ch: number, languageVersion: ScriptTarget): boolean; - function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, text?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner; -} -declare namespace ts { - function createNode(kind: SyntaxKind, pos?: number, end?: number): Node; - function forEachChild(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T; - function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean, scriptKind?: ScriptKind): SourceFile; - function isExternalModule(file: SourceFile): boolean; - function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; -} -declare namespace ts { - const version = "2.1.0"; - function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; - function resolveTripleslashReference(moduleName: string, containingFile: string): string; - function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; - function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - interface FormatDiagnosticsHost { - getCurrentDirectory(): string; - getCanonicalFileName(fileName: string): string; - getNewLine(): string; + interface JSDocNullableType extends JSDocType { + kind: SyntaxKind.JSDocNullableType; + type: JSDocType; } - function formatDiagnostics(diagnostics: Diagnostic[], host: FormatDiagnosticsHost): string; - function flattenDiagnosticMessageText(messageText: string | DiagnosticMessageChain, newLine: string): string; - function createProgram(rootNames: string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program): Program; -} -declare namespace ts { - function readConfigFile(fileName: string, readFile: (path: string) => string): { - config?: any; - error?: Diagnostic; - }; - function parseConfigFileTextToJson(fileName: string, jsonText: string, stripComments?: boolean): { - config?: any; - error?: Diagnostic; - }; - function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string, resolutionStack?: Path[]): ParsedCommandLine; - function convertCompileOnSaveOptionFromJson(jsonOption: any, basePath: string, errors: Diagnostic[]): boolean; - function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { - options: CompilerOptions; - errors: Diagnostic[]; - }; - function convertTypingOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { - options: TypingOptions; - errors: Diagnostic[]; - }; -} -declare namespace ts { - interface Node { - getSourceFile(): SourceFile; - getChildCount(sourceFile?: SourceFile): number; - getChildAt(index: number, sourceFile?: SourceFile): Node; - getChildren(sourceFile?: SourceFile): Node[]; - getStart(sourceFile?: SourceFile, includeJsDocComment?: boolean): number; - getFullStart(): number; - getEnd(): number; - getWidth(sourceFile?: SourceFile): number; - getFullWidth(): number; - getLeadingTriviaWidth(sourceFile?: SourceFile): number; - getFullText(sourceFile?: SourceFile): string; - getText(sourceFile?: SourceFile): string; - getFirstToken(sourceFile?: SourceFile): Node; - getLastToken(sourceFile?: SourceFile): Node; + interface JSDocRecordType extends JSDocType { + kind: SyntaxKind.JSDocRecordType; + literal: TypeLiteralNode; } - interface Symbol { - getFlags(): SymbolFlags; - getName(): string; - getDeclarations(): Declaration[]; - getDocumentationComment(): SymbolDisplayPart[]; + interface JSDocTypeReference extends JSDocType { + kind: SyntaxKind.JSDocTypeReference; + name: EntityName; + typeArguments: NodeArray; } - interface Type { - getFlags(): TypeFlags; - getSymbol(): Symbol; - getProperties(): Symbol[]; - getProperty(propertyName: string): Symbol; - getApparentProperties(): Symbol[]; - getCallSignatures(): Signature[]; - getConstructSignatures(): Signature[]; - getStringIndexType(): Type; - getNumberIndexType(): Type; - getBaseTypes(): ObjectType[]; - getNonNullableType(): Type; + interface JSDocOptionalType extends JSDocType { + kind: SyntaxKind.JSDocOptionalType; + type: JSDocType; } - interface Signature { - getDeclaration(): SignatureDeclaration; - getTypeParameters(): Type[]; - getParameters(): Symbol[]; - getReturnType(): Type; - getDocumentationComment(): SymbolDisplayPart[]; + interface JSDocFunctionType extends JSDocType, SignatureDeclaration { + kind: SyntaxKind.JSDocFunctionType; + parameters: NodeArray; + type: JSDocType; } - interface SourceFile { - getLineAndCharacterOfPosition(pos: number): LineAndCharacter; - getLineStarts(): number[]; - getPositionOfLineAndCharacter(line: number, character: number): number; - update(newText: string, textChangeRange: TextChangeRange): SourceFile; + interface JSDocVariadicType extends JSDocType { + kind: SyntaxKind.JSDocVariadicType; + type: JSDocType; } - interface IScriptSnapshot { - getText(start: number, end: number): string; - getLength(): number; - getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange | undefined; - dispose?(): void; + interface JSDocConstructorType extends JSDocType { + kind: SyntaxKind.JSDocConstructorType; + type: JSDocType; } - namespace ScriptSnapshot { - function fromString(text: string): IScriptSnapshot; + interface JSDocThisType extends JSDocType { + kind: SyntaxKind.JSDocThisType; + type: JSDocType; } - interface PreProcessedFileInfo { - referencedFiles: FileReference[]; - typeReferenceDirectives: FileReference[]; - importedFiles: FileReference[]; - ambientExternalModules: string[]; - isLibFile: boolean; + interface JSDocLiteralType extends JSDocType { + kind: SyntaxKind.JSDocLiteralType; + literal: LiteralTypeNode; } - interface HostCancellationToken { - isCancellationRequested(): boolean; + type JSDocTypeReferencingNode = JSDocThisType | JSDocConstructorType | JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType; + interface JSDocRecordMember extends PropertySignature { + kind: SyntaxKind.JSDocRecordMember; + name: Identifier | LiteralExpression; + type?: JSDocType; } - interface LanguageServiceHost { - getCompilationSettings(): CompilerOptions; - getNewLine?(): string; - getProjectVersion?(): string; - getScriptFileNames(): string[]; - getScriptKind?(fileName: string): ScriptKind; - getScriptVersion(fileName: string): string; - getScriptSnapshot(fileName: string): IScriptSnapshot | undefined; - getLocalizedDiagnosticMessages?(): any; - getCancellationToken?(): HostCancellationToken; - getCurrentDirectory(): string; - getDefaultLibFileName(options: CompilerOptions): string; - log?(s: string): void; - trace?(s: string): void; - error?(s: string): void; - useCaseSensitiveFileNames?(): boolean; - readDirectory?(path: string, extensions?: string[], exclude?: string[], include?: string[]): string[]; - readFile?(path: string, encoding?: string): string; - fileExists?(path: string): boolean; - getTypeRootsVersion?(): number; - resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; - resolveTypeReferenceDirectives?(typeDirectiveNames: string[], containingFile: string): ResolvedTypeReferenceDirective[]; - directoryExists?(directoryName: string): boolean; - getDirectories?(directoryName: string): string[]; + interface JSDoc extends Node { + kind: SyntaxKind.JSDocComment; + tags: NodeArray | undefined; + comment: string | undefined; } - interface LanguageService { - cleanupSemanticCache(): void; - getSyntacticDiagnostics(fileName: string): Diagnostic[]; - getSemanticDiagnostics(fileName: string): Diagnostic[]; - getCompilerOptionsDiagnostics(): Diagnostic[]; - getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; - getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; - getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications; - getEncodedSemanticClassifications(fileName: string, span: TextSpan): Classifications; - getCompletionsAtPosition(fileName: string, position: number): CompletionInfo; - getCompletionEntryDetails(fileName: string, position: number, entryName: string): CompletionEntryDetails; - getCompletionEntrySymbol(fileName: string, position: number, entryName: string): Symbol; - getQuickInfoAtPosition(fileName: string, position: number): QuickInfo; - getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan; - getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan; - getSignatureHelpItems(fileName: string, position: number): SignatureHelpItems; - getRenameInfo(fileName: string, position: number): RenameInfo; - findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): RenameLocation[]; - getDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; - getTypeDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; - getImplementationAtPosition(fileName: string, position: number): ImplementationLocation[]; - getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[]; - findReferences(fileName: string, position: number): ReferencedSymbol[]; - getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[]; - getOccurrencesAtPosition(fileName: string, position: number): ReferenceEntry[]; - getNavigateToItems(searchValue: string, maxResultCount?: number, fileName?: string, excludeDtsFiles?: boolean): NavigateToItem[]; - getNavigationBarItems(fileName: string): NavigationBarItem[]; - getNavigationTree(fileName: string): NavigationTree; - getOutliningSpans(fileName: string): OutliningSpan[]; - getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[]; - getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[]; - getIndentationAtPosition(fileName: string, position: number, options: EditorOptions | EditorSettings): number; - getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions | FormatCodeSettings): TextChange[]; - getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[]; - getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[]; - getDocCommentTemplateAtPosition(fileName: string, position: number): TextInsertion; - isValidBraceCompletionAtPosition(fileName: string, position: number, openingBrace: number): boolean; - getCodeFixesAtPosition(fileName: string, start: number, end: number, errorCodes: number[]): CodeAction[]; - getEmitOutput(fileName: string, emitOnlyDtsFiles?: boolean): EmitOutput; - getProgram(): Program; - dispose(): void; + interface JSDocTag extends Node { + atToken: AtToken; + tagName: Identifier; + comment: string | undefined; } - interface Classifications { - spans: number[]; - endOfLineState: EndOfLineState; + interface JSDocUnknownTag extends JSDocTag { + kind: SyntaxKind.JSDocTag; } - interface ClassifiedSpan { - textSpan: TextSpan; - classificationType: string; + interface JSDocTemplateTag extends JSDocTag { + kind: SyntaxKind.JSDocTemplateTag; + typeParameters: NodeArray; } - interface NavigationBarItem { - text: string; - kind: string; - kindModifiers: string; - spans: TextSpan[]; - childItems: NavigationBarItem[]; - indent: number; - bolded: boolean; - grayed: boolean; + interface JSDocReturnTag extends JSDocTag { + kind: SyntaxKind.JSDocReturnTag; + typeExpression: JSDocTypeExpression; } - interface NavigationTree { - text: string; - kind: string; - kindModifiers: string; - spans: TextSpan[]; - childItems?: NavigationTree[]; + interface JSDocTypeTag extends JSDocTag { + kind: SyntaxKind.JSDocTypeTag; + typeExpression: JSDocTypeExpression; } - interface TodoCommentDescriptor { - text: string; - priority: number; + interface JSDocTypedefTag extends JSDocTag, Declaration { + kind: SyntaxKind.JSDocTypedefTag; + fullName?: JSDocNamespaceDeclaration | Identifier; + name?: Identifier; + typeExpression?: JSDocTypeExpression; + jsDocTypeLiteral?: JSDocTypeLiteral; } - interface TodoComment { - descriptor: TodoCommentDescriptor; - message: string; - position: number; + interface JSDocPropertyTag extends JSDocTag, TypeElement { + kind: SyntaxKind.JSDocPropertyTag; + name: Identifier; + typeExpression: JSDocTypeExpression; } - class TextChange { - span: TextSpan; - newText: string; + interface JSDocTypeLiteral extends JSDocType { + kind: SyntaxKind.JSDocTypeLiteral; + jsDocPropertyTags?: NodeArray; + jsDocTypeTag?: JSDocTypeTag; } - interface FileTextChanges { - fileName: string; - textChanges: TextChange[]; + interface JSDocParameterTag extends JSDocTag { + kind: SyntaxKind.JSDocParameterTag; + preParameterName?: Identifier; + typeExpression?: JSDocTypeExpression; + postParameterName?: Identifier; + parameterName: Identifier; + isBracketed: boolean; } - interface CodeAction { - description: string; - changes: FileTextChanges[]; + const enum FlowFlags { + Unreachable = 1, + Start = 2, + BranchLabel = 4, + LoopLabel = 8, + Assignment = 16, + TrueCondition = 32, + FalseCondition = 64, + SwitchClause = 128, + ArrayMutation = 256, + Referenced = 512, + Shared = 1024, + Label = 12, + Condition = 96, } - interface TextInsertion { - newText: string; - caretOffset: number; + interface FlowNode { + flags: FlowFlags; + id?: number; } - interface RenameLocation { - textSpan: TextSpan; - fileName: string; + interface FlowStart extends FlowNode { + container?: FunctionExpression | ArrowFunction | MethodDeclaration; } - interface ReferenceEntry { - textSpan: TextSpan; - fileName: string; - isWriteAccess: boolean; - isDefinition: boolean; + interface FlowLabel extends FlowNode { + antecedents: FlowNode[]; } - interface ImplementationLocation { - textSpan: TextSpan; - fileName: string; + interface FlowAssignment extends FlowNode { + node: Expression | VariableDeclaration | BindingElement; + antecedent: FlowNode; } - interface DocumentHighlights { - fileName: string; - highlightSpans: HighlightSpan[]; + interface FlowCondition extends FlowNode { + expression: Expression; + antecedent: FlowNode; } - namespace HighlightSpanKind { - const none = "none"; - const definition = "definition"; - const reference = "reference"; - const writtenReference = "writtenReference"; + interface FlowSwitchClause extends FlowNode { + switchStatement: SwitchStatement; + clauseStart: number; + clauseEnd: number; + antecedent: FlowNode; } - interface HighlightSpan { - fileName?: string; - textSpan: TextSpan; - kind: string; + interface FlowArrayMutation extends FlowNode { + node: CallExpression | BinaryExpression; + antecedent: FlowNode; } - interface NavigateToItem { + type FlowType = Type | IncompleteType; + interface IncompleteType { + flags: TypeFlags; + type: Type; + } + interface AmdDependency { + path: string; name: string; - kind: string; - kindModifiers: string; - matchKind: string; - isCaseSensitive: boolean; + } + interface SourceFile extends Declaration { + kind: SyntaxKind.SourceFile; + statements: NodeArray; + endOfFileToken: Token; fileName: string; - textSpan: TextSpan; - containerName: string; - containerKind: string; + path: Path; + text: string; + amdDependencies: AmdDependency[]; + moduleName: string; + referencedFiles: FileReference[]; + typeReferenceDirectives: FileReference[]; + languageVariant: LanguageVariant; + isDeclarationFile: boolean; + renamedDependencies?: Map; + hasNoDefaultLib: boolean; + languageVersion: ScriptTarget; + scriptKind: ScriptKind; + externalModuleIndicator: Node; + commonJsModuleIndicator: Node; + identifiers: Map; + nodeCount: number; + identifierCount: number; + symbolCount: number; + parseDiagnostics: Diagnostic[]; + bindDiagnostics: Diagnostic[]; + lineMap: number[]; + classifiableNames?: Map; + resolvedModules: Map; + resolvedTypeReferenceDirectiveNames: Map; + imports: LiteralExpression[]; + moduleAugmentations: LiteralExpression[]; + patternAmbientModules?: PatternAmbientModule[]; + externalHelpersModuleName?: Identifier; } - enum IndentStyle { - None = 0, - Block = 1, - Smart = 2, + interface ScriptReferenceHost { + getCompilerOptions(): CompilerOptions; + getSourceFile(fileName: string): SourceFile; + getSourceFileByPath(path: Path): SourceFile; + getCurrentDirectory(): string; } - interface EditorOptions { - BaseIndentSize?: number; - IndentSize: number; - TabSize: number; - NewLineCharacter: string; - ConvertTabsToSpaces: boolean; - IndentStyle: IndentStyle; + interface ParseConfigHost { + useCaseSensitiveFileNames: boolean; + readDirectory(rootDir: string, extensions: string[], excludes: string[], includes: string[]): string[]; + fileExists(path: string): boolean; + readFile(path: string): string; } - interface EditorSettings { - baseIndentSize?: number; - indentSize?: number; - tabSize?: number; - newLineCharacter?: string; - convertTabsToSpaces?: boolean; - indentStyle?: IndentStyle; + interface WriteFileCallback { + (fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void, sourceFiles?: SourceFile[]): void; } - interface FormatCodeOptions extends EditorOptions { - InsertSpaceAfterCommaDelimiter: boolean; - InsertSpaceAfterSemicolonInForStatements: boolean; - InsertSpaceBeforeAndAfterBinaryOperators: boolean; - InsertSpaceAfterKeywordsInControlFlowStatements: boolean; - InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean; - InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean; - InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean; - InsertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean; - InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean; - InsertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; - InsertSpaceAfterTypeAssertion?: boolean; - PlaceOpenBraceOnNewLineForFunctions: boolean; - PlaceOpenBraceOnNewLineForControlBlocks: boolean; + class OperationCanceledException { } - interface FormatCodeSettings extends EditorSettings { - insertSpaceAfterCommaDelimiter?: boolean; - insertSpaceAfterSemicolonInForStatements?: boolean; - insertSpaceBeforeAndAfterBinaryOperators?: boolean; - insertSpaceAfterKeywordsInControlFlowStatements?: boolean; - insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean; - insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean; - insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; - insertSpaceAfterTypeAssertion?: boolean; - placeOpenBraceOnNewLineForFunctions?: boolean; - placeOpenBraceOnNewLineForControlBlocks?: boolean; + interface CancellationToken { + isCancellationRequested(): boolean; + throwIfCancellationRequested(): void; + } + interface Program extends ScriptReferenceHost { + getRootFileNames(): string[]; + getSourceFiles(): SourceFile[]; + emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean): EmitResult; + getOptionsDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; + getGlobalDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; + getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getTypeChecker(): TypeChecker; + getCommonSourceDirectory(): string; + getDiagnosticsProducingTypeChecker(): TypeChecker; + dropDiagnosticsProducingTypeChecker(): void; + getClassifiableNames(): Map; + getNodeCount(): number; + getIdentifierCount(): number; + getSymbolCount(): number; + getTypeCount(): number; + getFileProcessingDiagnostics(): DiagnosticCollection; + getResolvedTypeReferenceDirectives(): Map; + structureIsReused?: boolean; + } + interface SourceMapSpan { + emittedLine: number; + emittedColumn: number; + sourceLine: number; + sourceColumn: number; + nameIndex?: number; + sourceIndex: number; + } + interface SourceMapData { + sourceMapFilePath: string; + jsSourceMappingURL: string; + sourceMapFile: string; + sourceMapSourceRoot: string; + sourceMapSources: string[]; + sourceMapSourcesContent?: string[]; + inputSourceFileNames: string[]; + sourceMapNames?: string[]; + sourceMapMappings: string; + sourceMapDecodedMappings: SourceMapSpan[]; + } + enum ExitStatus { + Success = 0, + DiagnosticsPresent_OutputsSkipped = 1, + DiagnosticsPresent_OutputsGenerated = 2, } - interface DefinitionInfo { - fileName: string; - textSpan: TextSpan; - kind: string; - name: string; - containerKind: string; - containerName: string; + interface EmitResult { + emitSkipped: boolean; + diagnostics: Diagnostic[]; + emittedFiles: string[]; + sourceMaps: SourceMapData[]; } - interface ReferencedSymbolDefinitionInfo extends DefinitionInfo { - displayParts: SymbolDisplayPart[]; + interface TypeCheckerHost { + getCompilerOptions(): CompilerOptions; + getSourceFiles(): SourceFile[]; + getSourceFile(fileName: string): SourceFile; + getResolvedTypeReferenceDirectives(): Map; } - interface ReferencedSymbol { - definition: ReferencedSymbolDefinitionInfo; - references: ReferenceEntry[]; + interface TypeChecker { + getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type; + getDeclaredTypeOfSymbol(symbol: Symbol): Type; + getPropertiesOfType(type: Type): Symbol[]; + getPropertyOfType(type: Type, propertyName: string): Symbol; + getSignaturesOfType(type: Type, kind: SignatureKind): Signature[]; + getIndexTypeOfType(type: Type, kind: IndexKind): Type; + getBaseTypes(type: InterfaceType): ObjectType[]; + getReturnTypeOfSignature(signature: Signature): Type; + getNonNullableType(type: Type): Type; + getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[]; + getSymbolAtLocation(node: Node): Symbol; + getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[]; + getShorthandAssignmentValueSymbol(location: Node): Symbol; + getExportSpecifierLocalTargetSymbol(location: ExportSpecifier): Symbol; + getPropertySymbolOfDestructuringAssignment(location: Identifier): Symbol; + getTypeAtLocation(node: Node): Type; + typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string; + symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): string; + getSymbolDisplayBuilder(): SymbolDisplayBuilder; + getFullyQualifiedName(symbol: Symbol): string; + getAugmentedPropertiesOfType(type: Type): Symbol[]; + getRootSymbols(symbol: Symbol): Symbol[]; + getContextualType(node: Expression): Type; + getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[]): Signature; + getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature; + isImplementationOfOverload(node: FunctionLikeDeclaration): boolean; + isUndefinedSymbol(symbol: Symbol): boolean; + isArgumentsSymbol(symbol: Symbol): boolean; + isUnknownSymbol(symbol: Symbol): boolean; + getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): number; + isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName, propertyName: string): boolean; + getAliasedSymbol(symbol: Symbol): Symbol; + getExportsOfModule(moduleSymbol: Symbol): Symbol[]; + getJsxElementAttributesType(elementNode: JsxOpeningLikeElement): Type; + getJsxIntrinsicTagNames(): Symbol[]; + isOptionalParameter(node: ParameterDeclaration): boolean; + getAmbientModules(): Symbol[]; + getDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getGlobalDiagnostics(): Diagnostic[]; + getEmitResolver(sourceFile?: SourceFile, cancellationToken?: CancellationToken): EmitResolver; + getNodeCount(): number; + getIdentifierCount(): number; + getSymbolCount(): number; + getTypeCount(): number; } - enum SymbolDisplayPartKind { - aliasName = 0, - className = 1, - enumName = 2, - fieldName = 3, - interfaceName = 4, - keyword = 5, - lineBreak = 6, - numericLiteral = 7, - stringLiteral = 8, - localName = 9, - methodName = 10, - moduleName = 11, - operator = 12, - parameterName = 13, - propertyName = 14, - punctuation = 15, - space = 16, - text = 17, - typeParameterName = 18, - enumMemberName = 19, - functionName = 20, - regularExpressionLiteral = 21, + interface SymbolDisplayBuilder { + buildTypeDisplay(type: Type, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildSymbolDisplay(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): void; + buildSignatureDisplay(signatures: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): void; + buildParameterDisplay(parameter: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypeParameterDisplay(tp: TypeParameter, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypePredicateDisplay(predicate: TypePredicate, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypeParameterDisplayFromSymbol(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildDisplayForParametersAndDelimiters(thisParameter: Symbol, parameters: Symbol[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildDisplayForTypeParametersAndDelimiters(typeParameters: TypeParameter[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildReturnTypeDisplay(signature: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; } - interface SymbolDisplayPart { - text: string; - kind: string; + interface SymbolWriter { + writeKeyword(text: string): void; + writeOperator(text: string): void; + writePunctuation(text: string): void; + writeSpace(text: string): void; + writeStringLiteral(text: string): void; + writeParameter(text: string): void; + writeSymbol(text: string, symbol: Symbol): void; + writeLine(): void; + increaseIndent(): void; + decreaseIndent(): void; + clear(): void; + trackSymbol(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): void; + reportInaccessibleThisError(): void; } - interface QuickInfo { - kind: string; - kindModifiers: string; - textSpan: TextSpan; - displayParts: SymbolDisplayPart[]; - documentation: SymbolDisplayPart[]; + const enum TypeFormatFlags { + None = 0, + WriteArrayAsGenericType = 1, + UseTypeOfFunction = 2, + NoTruncation = 4, + WriteArrowStyleSignature = 8, + WriteOwnNameForAnyLike = 16, + WriteTypeArgumentsOfSignature = 32, + InElementType = 64, + UseFullyQualifiedType = 128, + InFirstTypeArgument = 256, + InTypeAlias = 512, + UseTypeAliasValue = 1024, } - interface RenameInfo { - canRename: boolean; - localizedErrorMessage: string; - displayName: string; - fullDisplayName: string; - kind: string; - kindModifiers: string; - triggerSpan: TextSpan; + const enum SymbolFormatFlags { + None = 0, + WriteTypeParametersOrArguments = 1, + UseOnlyExternalAliasing = 2, } - interface SignatureHelpParameter { - name: string; - documentation: SymbolDisplayPart[]; - displayParts: SymbolDisplayPart[]; - isOptional: boolean; + const enum SymbolAccessibility { + Accessible = 0, + NotAccessible = 1, + CannotBeNamed = 2, } - interface SignatureHelpItem { - isVariadic: boolean; - prefixDisplayParts: SymbolDisplayPart[]; - suffixDisplayParts: SymbolDisplayPart[]; - separatorDisplayParts: SymbolDisplayPart[]; - parameters: SignatureHelpParameter[]; - documentation: SymbolDisplayPart[]; + const enum TypePredicateKind { + This = 0, + Identifier = 1, } - interface SignatureHelpItems { - items: SignatureHelpItem[]; - applicableSpan: TextSpan; - selectedItemIndex: number; - argumentIndex: number; - argumentCount: number; + interface TypePredicateBase { + kind: TypePredicateKind; + type: Type; } - interface CompletionInfo { - isGlobalCompletion: boolean; - isMemberCompletion: boolean; - isNewIdentifierLocation: boolean; - entries: CompletionEntry[]; + interface ThisTypePredicate extends TypePredicateBase { + kind: TypePredicateKind.This; } - interface CompletionEntry { - name: string; - kind: string; - kindModifiers: string; - sortText: string; - replacementSpan?: TextSpan; + interface IdentifierTypePredicate extends TypePredicateBase { + kind: TypePredicateKind.Identifier; + parameterName: string; + parameterIndex: number; } - interface CompletionEntryDetails { - name: string; - kind: string; - kindModifiers: string; - displayParts: SymbolDisplayPart[]; - documentation: SymbolDisplayPart[]; + type TypePredicate = IdentifierTypePredicate | ThisTypePredicate; + type AnyImportSyntax = ImportDeclaration | ImportEqualsDeclaration; + interface SymbolVisibilityResult { + accessibility: SymbolAccessibility; + aliasesToMakeVisible?: AnyImportSyntax[]; + errorSymbolName?: string; + errorNode?: Node; } - interface OutliningSpan { - textSpan: TextSpan; - hintSpan: TextSpan; - bannerText: string; - autoCollapse: boolean; + interface SymbolAccessibilityResult extends SymbolVisibilityResult { + errorModuleName?: string; } - interface EmitOutput { - outputFiles: OutputFile[]; - emitSkipped: boolean; + enum TypeReferenceSerializationKind { + Unknown = 0, + TypeWithConstructSignatureAndValue = 1, + VoidNullableOrNeverType = 2, + NumberLikeType = 3, + StringLikeType = 4, + BooleanType = 5, + ArrayLikeType = 6, + ESSymbolType = 7, + Promise = 8, + TypeWithCallSignature = 9, + ObjectType = 10, + } + interface EmitResolver { + hasGlobalName(name: string): boolean; + getReferencedExportContainer(node: Identifier, prefixLocals?: boolean): SourceFile | ModuleDeclaration | EnumDeclaration; + getReferencedImportDeclaration(node: Identifier): Declaration; + getReferencedDeclarationWithCollidingName(node: Identifier): Declaration; + isDeclarationWithCollidingName(node: Declaration): boolean; + isValueAliasDeclaration(node: Node): boolean; + isReferencedAliasDeclaration(node: Node, checkChildren?: boolean): boolean; + isTopLevelValueImportEqualsWithEntityName(node: ImportEqualsDeclaration): boolean; + getNodeCheckFlags(node: Node): NodeCheckFlags; + isDeclarationVisible(node: Declaration): boolean; + collectLinkedAliases(node: Identifier): Node[]; + isImplementationOfOverload(node: FunctionLikeDeclaration): boolean; + writeTypeOfDeclaration(declaration: AccessorDeclaration | VariableLikeDeclaration, enclosingDeclaration: Node, flags: TypeFormatFlags, writer: SymbolWriter): void; + writeReturnTypeOfSignatureDeclaration(signatureDeclaration: SignatureDeclaration, enclosingDeclaration: Node, flags: TypeFormatFlags, writer: SymbolWriter): void; + writeTypeOfExpression(expr: Expression, enclosingDeclaration: Node, flags: TypeFormatFlags, writer: SymbolWriter): void; + writeBaseConstructorTypeOfClass(node: ClassLikeDeclaration, enclosingDeclaration: Node, flags: TypeFormatFlags, writer: SymbolWriter): void; + isSymbolAccessible(symbol: Symbol, enclosingDeclaration: Node, meaning: SymbolFlags, shouldComputeAliasToMarkVisible: boolean): SymbolAccessibilityResult; + isEntityNameVisible(entityName: EntityNameOrEntityNameExpression, enclosingDeclaration: Node): SymbolVisibilityResult; + getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): number; + getReferencedValueDeclaration(reference: Identifier): Declaration; + getTypeReferenceSerializationKind(typeName: EntityName, location?: Node): TypeReferenceSerializationKind; + isOptionalParameter(node: ParameterDeclaration): boolean; + moduleExportsSomeValue(moduleReferenceExpression: Expression): boolean; + isArgumentsLocalBinding(node: Identifier): boolean; + getExternalModuleFileFromDeclaration(declaration: ImportEqualsDeclaration | ImportDeclaration | ExportDeclaration | ModuleDeclaration): SourceFile; + getTypeReferenceDirectivesForEntityName(name: EntityNameOrEntityNameExpression): string[]; + getTypeReferenceDirectivesForSymbol(symbol: Symbol, meaning?: SymbolFlags): string[]; + isLiteralConstDeclaration(node: VariableDeclaration | PropertyDeclaration | PropertySignature | ParameterDeclaration): boolean; + writeLiteralConstValue(node: VariableDeclaration | PropertyDeclaration | PropertySignature | ParameterDeclaration, writer: SymbolWriter): void; } - const enum OutputFileType { - JavaScript = 0, - SourceMap = 1, - Declaration = 2, + const enum SymbolFlags { + None = 0, + FunctionScopedVariable = 1, + BlockScopedVariable = 2, + Property = 4, + EnumMember = 8, + Function = 16, + Class = 32, + Interface = 64, + ConstEnum = 128, + RegularEnum = 256, + ValueModule = 512, + NamespaceModule = 1024, + TypeLiteral = 2048, + ObjectLiteral = 4096, + Method = 8192, + Constructor = 16384, + GetAccessor = 32768, + SetAccessor = 65536, + Signature = 131072, + TypeParameter = 262144, + TypeAlias = 524288, + ExportValue = 1048576, + ExportType = 2097152, + ExportNamespace = 4194304, + Alias = 8388608, + Instantiated = 16777216, + Merged = 33554432, + Transient = 67108864, + Prototype = 134217728, + SyntheticProperty = 268435456, + Optional = 536870912, + ExportStar = 1073741824, + Enum = 384, + Variable = 3, + Value = 107455, + Type = 793064, + Namespace = 1920, + Module = 1536, + Accessor = 98304, + FunctionScopedVariableExcludes = 107454, + BlockScopedVariableExcludes = 107455, + ParameterExcludes = 107455, + PropertyExcludes = 0, + EnumMemberExcludes = 900095, + FunctionExcludes = 106927, + ClassExcludes = 899519, + InterfaceExcludes = 792968, + RegularEnumExcludes = 899327, + ConstEnumExcludes = 899967, + ValueModuleExcludes = 106639, + NamespaceModuleExcludes = 0, + MethodExcludes = 99263, + GetAccessorExcludes = 41919, + SetAccessorExcludes = 74687, + TypeParameterExcludes = 530920, + TypeAliasExcludes = 793064, + AliasExcludes = 8388608, + ModuleMember = 8914931, + ExportHasLocal = 944, + HasExports = 1952, + HasMembers = 6240, + BlockScoped = 418, + PropertyOrAccessor = 98308, + Export = 7340032, + ClassMember = 106500, + Classifiable = 788448, } - interface OutputFile { + interface Symbol { + flags: SymbolFlags; name: string; - writeByteOrderMark: boolean; - text: string; - } - const enum EndOfLineState { - None = 0, - InMultiLineCommentTrivia = 1, - InSingleQuoteStringLiteral = 2, - InDoubleQuoteStringLiteral = 3, - InTemplateHeadOrNoSubstitutionTemplate = 4, - InTemplateMiddleOrTail = 5, - InTemplateSubstitutionPosition = 6, - } - enum TokenClass { - Punctuation = 0, - Keyword = 1, - Operator = 2, - Comment = 3, - Whitespace = 4, - Identifier = 5, - NumberLiteral = 6, - StringLiteral = 7, - RegExpLiteral = 8, - } - interface ClassificationResult { - finalLexState: EndOfLineState; - entries: ClassificationInfo[]; + declarations?: Declaration[]; + valueDeclaration?: Declaration; + members?: SymbolTable; + exports?: SymbolTable; + globalExports?: SymbolTable; + isReadonly?: boolean; + id?: number; + mergeId?: number; + parent?: Symbol; + exportSymbol?: Symbol; + constEnumOnlyModule?: boolean; + isReferenced?: boolean; + isReplaceableByMethod?: boolean; + isAssigned?: boolean; + } + interface SymbolLinks { + target?: Symbol; + type?: Type; + declaredType?: Type; + typeParameters?: TypeParameter[]; + inferredClassType?: Type; + instantiations?: Map; + mapper?: TypeMapper; + referenced?: boolean; + containingType?: UnionOrIntersectionType; + hasNonUniformType?: boolean; + isPartial?: boolean; + isDiscriminantProperty?: boolean; + resolvedExports?: SymbolTable; + exportsChecked?: boolean; + isDeclarationWithCollidingName?: boolean; + bindingElement?: BindingElement; + exportsSomeValue?: boolean; + } + interface TransientSymbol extends Symbol, SymbolLinks { } - interface ClassificationInfo { - length: number; - classification: TokenClass; + type SymbolTable = Map; + interface Pattern { + prefix: string; + suffix: string; + } + interface PatternAmbientModule { + pattern: Pattern; + symbol: Symbol; + } + const enum NodeCheckFlags { + TypeChecked = 1, + LexicalThis = 2, + CaptureThis = 4, + SuperInstance = 256, + SuperStatic = 512, + ContextChecked = 1024, + AsyncMethodWithSuper = 2048, + AsyncMethodWithSuperBinding = 4096, + CaptureArguments = 8192, + EnumValuesComputed = 16384, + LexicalModuleMergesWithClass = 32768, + LoopWithCapturedBlockScopedBinding = 65536, + CapturedBlockScopedBinding = 131072, + BlockScopedBindingInLoop = 262144, + ClassWithBodyScopedClassBinding = 524288, + BodyScopedClassBinding = 1048576, + NeedsLoopOutParameter = 2097152, + AssignmentsMarked = 4194304, + ClassWithConstructorReference = 8388608, + ConstructorReferenceInClass = 16777216, + } + interface NodeLinks { + flags?: NodeCheckFlags; + resolvedType?: Type; + resolvedSignature?: Signature; + resolvedSymbol?: Symbol; + resolvedIndexInfo?: IndexInfo; + enumMemberValue?: number; + isVisible?: boolean; + hasReportedStatementInAmbientContext?: boolean; + jsxFlags?: JsxFlags; + resolvedJsxType?: Type; + hasSuperCall?: boolean; + superCall?: ExpressionStatement; + switchTypes?: Type[]; } - interface Classifier { - getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult; - getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications; + const enum TypeFlags { + Any = 1, + String = 2, + Number = 4, + Boolean = 8, + Enum = 16, + StringLiteral = 32, + NumberLiteral = 64, + BooleanLiteral = 128, + EnumLiteral = 256, + ESSymbol = 512, + Void = 1024, + Undefined = 2048, + Null = 4096, + Never = 8192, + TypeParameter = 16384, + Object = 32768, + Union = 65536, + Intersection = 131072, + FreshLiteral = 262144, + ContainsWideningType = 524288, + ContainsObjectLiteral = 1048576, + ContainsAnyFunctionType = 2097152, + Nullable = 6144, + Literal = 480, + StringOrNumberLiteral = 96, + DefinitelyFalsy = 7392, + PossiblyFalsy = 7406, + Intrinsic = 16015, + Primitive = 8190, + StringLike = 34, + NumberLike = 340, + BooleanLike = 136, + EnumLike = 272, + UnionOrIntersection = 196608, + StructuredType = 229376, + StructuredOrTypeParameter = 245760, + Narrowable = 246783, + NotUnionOrUnit = 33281, + RequiresWidening = 1572864, + PropagatingFlags = 3670016, } - namespace ScriptElementKind { - const unknown = ""; - const warning = "warning"; - const keyword = "keyword"; - const scriptElement = "script"; - const moduleElement = "module"; - const classElement = "class"; - const localClassElement = "local class"; - const interfaceElement = "interface"; - const typeElement = "type"; - const enumElement = "enum"; - const enumMemberElement = "const"; - const variableElement = "var"; - const localVariableElement = "local var"; - const functionElement = "function"; - const localFunctionElement = "local function"; - const memberFunctionElement = "method"; - const memberGetAccessorElement = "getter"; - const memberSetAccessorElement = "setter"; - const memberVariableElement = "property"; - const constructorImplementationElement = "constructor"; - const callSignatureElement = "call"; - const indexSignatureElement = "index"; - const constructSignatureElement = "construct"; - const parameterElement = "parameter"; - const typeParameterElement = "type parameter"; - const primitiveType = "primitive type"; - const label = "label"; - const alias = "alias"; - const constElement = "const"; - const letElement = "let"; - const directory = "directory"; - const externalModuleName = "external module name"; + type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; + interface Type { + flags: TypeFlags; + id: number; + symbol?: Symbol; + pattern?: DestructuringPattern; + aliasSymbol?: Symbol; + aliasTypeArguments?: Type[]; } - namespace ScriptElementKindModifier { - const none = ""; - const publicMemberModifier = "public"; - const privateMemberModifier = "private"; - const protectedMemberModifier = "protected"; - const exportedModifier = "export"; - const ambientModifier = "declare"; - const staticModifier = "static"; - const abstractModifier = "abstract"; + interface IntrinsicType extends Type { + intrinsicName: string; } - class ClassificationTypeNames { - static comment: string; - static identifier: string; - static keyword: string; - static numericLiteral: string; - static operator: string; - static stringLiteral: string; - static whiteSpace: string; - static text: string; - static punctuation: string; - static className: string; - static enumName: string; - static interfaceName: string; - static moduleName: string; - static typeParameterName: string; - static typeAliasName: string; - static parameterName: string; - static docCommentTagName: string; - static jsxOpenTagName: string; - static jsxCloseTagName: string; - static jsxSelfClosingTagName: string; - static jsxAttribute: string; - static jsxText: string; - static jsxAttributeStringLiteralValue: string; + interface LiteralType extends Type { + text: string; + freshType?: LiteralType; + regularType?: LiteralType; } - const enum ClassificationType { - comment = 1, - identifier = 2, - keyword = 3, - numericLiteral = 4, - operator = 5, - stringLiteral = 6, - regularExpressionLiteral = 7, - whiteSpace = 8, - text = 9, - punctuation = 10, - className = 11, - enumName = 12, - interfaceName = 13, - moduleName = 14, - typeParameterName = 15, - typeAliasName = 16, - parameterName = 17, - docCommentTagName = 18, - jsxOpenTagName = 19, - jsxCloseTagName = 20, - jsxSelfClosingTagName = 21, - jsxAttribute = 22, - jsxText = 23, - jsxAttributeStringLiteralValue = 24, + interface EnumType extends Type { + memberTypes: Map; } -} -declare namespace ts { - function createClassifier(): Classifier; -} -declare namespace ts { - interface DocumentRegistry { - acquireDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; - acquireDocumentWithKey(fileName: string, path: Path, compilationSettings: CompilerOptions, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; - updateDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; - updateDocumentWithKey(fileName: string, path: Path, compilationSettings: CompilerOptions, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; - getKeyForCompilationSettings(settings: CompilerOptions): DocumentRegistryBucketKey; - releaseDocument(fileName: string, compilationSettings: CompilerOptions): void; - releaseDocumentWithKey(path: Path, key: DocumentRegistryBucketKey): void; - reportStats(): string; + interface EnumLiteralType extends LiteralType { + baseType: EnumType & UnionType; } - type DocumentRegistryBucketKey = string & { - __bucketKey: any; - }; - function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry; -} -declare namespace ts { - function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo; -} -declare namespace ts { - interface TranspileOptions { - compilerOptions?: CompilerOptions; - fileName?: string; - reportDiagnostics?: boolean; - moduleName?: string; - renamedDependencies?: MapLike; + const enum ObjectFlags { + Class = 1, + Interface = 2, + Reference = 4, + Tuple = 8, + Anonymous = 16, + Instantiated = 32, + ObjectLiteral = 64, + EvolvingArray = 128, + ObjectLiteralPatternWithComputedProperties = 256, + ClassOrInterface = 3, } - interface TranspileOutput { - outputText: string; - diagnostics?: Diagnostic[]; - sourceMapText?: string; + interface ObjectType extends Type { + objectFlags: ObjectFlags; } - function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput; - function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string; -} -declare namespace ts { - const servicesVersion = "0.5"; - interface DisplayPartsSymbolWriter extends SymbolWriter { - displayParts(): SymbolDisplayPart[]; + interface InterfaceType extends ObjectType { + typeParameters: TypeParameter[]; + outerTypeParameters: TypeParameter[]; + localTypeParameters: TypeParameter[]; + thisType: TypeParameter; + resolvedBaseConstructorType?: Type; + resolvedBaseTypes: ObjectType[]; } - function toEditorSettings(options: EditorOptions | EditorSettings): EditorSettings; - function displayPartsToString(displayParts: SymbolDisplayPart[]): string; - function getDefaultCompilerOptions(): CompilerOptions; - function getSupportedCodeFixes(): string[]; - function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTarget: ScriptTarget, version: string, setNodeParents: boolean, scriptKind?: ScriptKind): SourceFile; - let disableIncrementalParsing: boolean; - function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; - function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry): LanguageService; - function getDefaultLibFilePath(options: CompilerOptions): string; -} -declare namespace ts.server { - enum LogLevel { - terse = 0, - normal = 1, - requestTime = 2, - verbose = 3, + interface InterfaceTypeWithDeclaredMembers extends InterfaceType { + declaredProperties: Symbol[]; + declaredCallSignatures: Signature[]; + declaredConstructSignatures: Signature[]; + declaredStringIndexInfo: IndexInfo; + declaredNumberIndexInfo: IndexInfo; } - const emptyArray: ReadonlyArray; - interface Logger { - close(): void; - hasLevel(level: LogLevel): boolean; - loggingEnabled(): boolean; - perftrc(s: string): void; - info(s: string): void; - startGroup(): void; - endGroup(): void; - msg(s: string, type?: Msg.Types): void; - getLogFileName(): string; + interface TypeReference extends ObjectType { + target: GenericType; + typeArguments: Type[]; } - namespace Msg { - type Err = "Err"; - const Err: Err; - type Info = "Info"; - const Info: Info; - type Perf = "Perf"; - const Perf: Perf; - type Types = Err | Info | Perf; + interface GenericType extends InterfaceType, TypeReference { + instantiations: Map; } - function createInstallTypingsRequest(project: Project, typingOptions: TypingOptions, cachePath?: string): DiscoverTypings; - namespace Errors { - function ThrowNoProject(): never; - function ThrowProjectLanguageServiceDisabled(): never; - function ThrowProjectDoesNotContainDocument(fileName: string, project: Project): never; + interface UnionOrIntersectionType extends Type { + types: Type[]; + resolvedProperties: SymbolTable; + couldContainTypeParameters: boolean; } - function getDefaultFormatCodeSettings(host: ServerHost): FormatCodeSettings; - function mergeMaps(target: MapLike, source: MapLike): void; - function removeItemFromSet(items: T[], itemToRemove: T): void; - type NormalizedPath = string & { - __normalizedPathTag: any; - }; - function toNormalizedPath(fileName: string): NormalizedPath; - function normalizedPathToPath(normalizedPath: NormalizedPath, currentDirectory: string, getCanonicalFileName: (f: string) => string): Path; - function asNormalizedPath(fileName: string): NormalizedPath; - interface NormalizedPathMap { - get(path: NormalizedPath): T; - set(path: NormalizedPath, value: T): void; - contains(path: NormalizedPath): boolean; - remove(path: NormalizedPath): void; + interface UnionType extends UnionOrIntersectionType { } - function createNormalizedPathMap(): NormalizedPathMap; - const nullLanguageService: LanguageService; - interface ServerLanguageServiceHost { - setCompilationSettings(options: CompilerOptions): void; - notifyFileRemoved(info: ScriptInfo): void; + interface IntersectionType extends UnionOrIntersectionType { } - const nullLanguageServiceHost: ServerLanguageServiceHost; - interface ProjectOptions { - configHasFilesProperty?: boolean; - files?: string[]; - wildcardDirectories?: Map; - compilerOptions?: CompilerOptions; - typingOptions?: TypingOptions; - compileOnSave?: boolean; + type StructuredType = ObjectType | UnionType | IntersectionType; + interface AnonymousType extends ObjectType { + target?: AnonymousType; + mapper?: TypeMapper; } - function isInferredProjectName(name: string): boolean; - function makeInferredProjectName(counter: number): string; - class ThrottledOperations { - private readonly host; - private pendingTimeouts; - constructor(host: ServerHost); - schedule(operationId: string, delay: number, cb: () => void): void; - private static run(self, operationId, cb); + interface EvolvingArrayType extends ObjectType { + elementType: Type; + finalArrayType?: Type; } - class GcTimer { - private readonly host; - private readonly delay; - private readonly logger; - private timerId; - constructor(host: ServerHost, delay: number, logger: Logger); - scheduleCollect(): void; - private static run(self); + interface ResolvedType extends ObjectType, UnionOrIntersectionType { + members: SymbolTable; + properties: Symbol[]; + callSignatures: Signature[]; + constructSignatures: Signature[]; + stringIndexInfo?: IndexInfo; + numberIndexInfo?: IndexInfo; } -} -declare namespace ts.server.protocol { - namespace CommandTypes { - type Brace = "brace"; - type BraceCompletion = "braceCompletion"; - type Change = "change"; - type Close = "close"; - type Completions = "completions"; - type CompletionDetails = "completionEntryDetails"; - type CompileOnSaveAffectedFileList = "compileOnSaveAffectedFileList"; - type CompileOnSaveEmitFile = "compileOnSaveEmitFile"; - type Configure = "configure"; - type Definition = "definition"; - type Implementation = "implementation"; - type Exit = "exit"; - type Format = "format"; - type Formatonkey = "formatonkey"; - type Geterr = "geterr"; - type GeterrForProject = "geterrForProject"; - type SemanticDiagnosticsSync = "semanticDiagnosticsSync"; - type SyntacticDiagnosticsSync = "syntacticDiagnosticsSync"; - type NavBar = "navbar"; - type Navto = "navto"; - type NavTree = "navtree"; - type NavTreeFull = "navtree-full"; - type Occurrences = "occurrences"; - type DocumentHighlights = "documentHighlights"; - type Open = "open"; - type Quickinfo = "quickinfo"; - type References = "references"; - type Reload = "reload"; - type Rename = "rename"; - type Saveto = "saveto"; - type SignatureHelp = "signatureHelp"; - type TypeDefinition = "typeDefinition"; - type ProjectInfo = "projectInfo"; - type ReloadProjects = "reloadProjects"; - type Unknown = "unknown"; - type OpenExternalProject = "openExternalProject"; - type OpenExternalProjects = "openExternalProjects"; - type CloseExternalProject = "closeExternalProject"; - type TodoComments = "todoComments"; - type Indentation = "indentation"; - type DocCommentTemplate = "docCommentTemplate"; - type CompilerOptionsForInferredProjects = "compilerOptionsForInferredProjects"; - type GetCodeFixes = "getCodeFixes"; - type GetSupportedCodeFixes = "getSupportedCodeFixes"; + interface FreshObjectLiteralType extends ResolvedType { + regularType: ResolvedType; } - interface Message { - seq: number; - type: "request" | "response" | "event"; + interface IterableOrIteratorType extends ObjectType, UnionType { + iterableElementType?: Type; + iteratorElementType?: Type; } - interface Request extends Message { - command: string; - arguments?: any; + interface TypeParameter extends Type { + constraint: Type; + target?: TypeParameter; + mapper?: TypeMapper; + resolvedApparentType: Type; + isThisType?: boolean; } - interface ReloadProjectsRequest extends Message { - command: CommandTypes.ReloadProjects; + const enum SignatureKind { + Call = 0, + Construct = 1, } - interface Event extends Message { - event: string; - body?: any; + interface Signature { + declaration: SignatureDeclaration; + typeParameters: TypeParameter[]; + parameters: Symbol[]; + thisParameter?: Symbol; + resolvedReturnType: Type; + minArgumentCount: number; + hasRestParameter: boolean; + hasLiteralTypes: boolean; + target?: Signature; + mapper?: TypeMapper; + unionSignatures?: Signature[]; + erasedSignatureCache?: Signature; + isolatedSignatureType?: ObjectType; + typePredicate?: TypePredicate; } - interface Response extends Message { - request_seq: number; - success: boolean; - command: string; - message?: string; - body?: any; + const enum IndexKind { + String = 0, + Number = 1, } - interface FileRequestArgs { - file: string; - projectFileName?: string; + interface IndexInfo { + type: Type; + isReadonly: boolean; + declaration?: SignatureDeclaration; } - interface DocCommentTemplateRequest extends FileLocationRequest { - command: CommandTypes.DocCommentTemplate; + interface TypeMapper { + (t: TypeParameter): Type; + mappedTypes?: Type[]; + targetTypes?: Type[]; + instantiations?: Type[]; + context?: InferenceContext; + } + interface TypeInferences { + primary: Type[]; + secondary: Type[]; + topLevel: boolean; + isFixed: boolean; + } + interface InferenceContext { + signature: Signature; + inferUnionTypes: boolean; + inferences: TypeInferences[]; + inferredTypes: Type[]; + mapper?: TypeMapper; + failedTypeParameterIndex?: number; + } + const enum SpecialPropertyAssignmentKind { + None = 0, + ExportsProperty = 1, + ModuleExports = 2, + PrototypeProperty = 3, + ThisProperty = 4, } - interface DocCommandTemplateResponse extends Response { - body?: TextInsertion; + interface DiagnosticMessage { + key: string; + category: DiagnosticCategory; + code: number; + message: string; } - interface TodoCommentRequest extends FileRequest { - command: CommandTypes.TodoComments; - arguments: TodoCommentRequestArgs; + interface DiagnosticMessageChain { + messageText: string; + category: DiagnosticCategory; + code: number; + next?: DiagnosticMessageChain; + } + interface Diagnostic { + file: SourceFile; + start: number; + length: number; + messageText: string | DiagnosticMessageChain; + category: DiagnosticCategory; + code: number; + } + enum DiagnosticCategory { + Warning = 0, + Error = 1, + Message = 2, + } + enum ModuleResolutionKind { + Classic = 1, + NodeJs = 2, + } + type CompilerOptionsValue = string | number | boolean | (string | number)[] | string[] | MapLike; + interface CompilerOptions { + allowJs?: boolean; + allowNonTsExtensions?: boolean; + allowSyntheticDefaultImports?: boolean; + allowUnreachableCode?: boolean; + allowUnusedLabels?: boolean; + alwaysStrict?: boolean; + baseUrl?: string; + charset?: string; + configFilePath?: string; + declaration?: boolean; + declarationDir?: string; + diagnostics?: boolean; + extendedDiagnostics?: boolean; + disableSizeLimit?: boolean; + emitBOM?: boolean; + emitDecoratorMetadata?: boolean; + experimentalDecorators?: boolean; + forceConsistentCasingInFileNames?: boolean; + help?: boolean; + importHelpers?: boolean; + init?: boolean; + inlineSourceMap?: boolean; + inlineSources?: boolean; + isolatedModules?: boolean; + jsx?: JsxEmit; + lib?: string[]; + listEmittedFiles?: boolean; + listFiles?: boolean; + locale?: string; + mapRoot?: string; + maxNodeModuleJsDepth?: number; + module?: ModuleKind; + moduleResolution?: ModuleResolutionKind; + newLine?: NewLineKind; + noEmit?: boolean; + noEmitHelpers?: boolean; + noEmitOnError?: boolean; + noErrorTruncation?: boolean; + noFallthroughCasesInSwitch?: boolean; + noImplicitAny?: boolean; + noImplicitReturns?: boolean; + noImplicitThis?: boolean; + noUnusedLocals?: boolean; + noUnusedParameters?: boolean; + noImplicitUseStrict?: boolean; + noLib?: boolean; + noResolve?: boolean; + out?: string; + outDir?: string; + outFile?: string; + paths?: MapLike; + preserveConstEnums?: boolean; + project?: string; + pretty?: DiagnosticStyle; + reactNamespace?: string; + removeComments?: boolean; + rootDir?: string; + rootDirs?: string[]; + skipLibCheck?: boolean; + skipDefaultLibCheck?: boolean; + sourceMap?: boolean; + sourceRoot?: string; + strictNullChecks?: boolean; + stripInternal?: boolean; + suppressExcessPropertyErrors?: boolean; + suppressImplicitAnyIndexErrors?: boolean; + suppressOutputPathCheck?: boolean; + target?: ScriptTarget; + traceResolution?: boolean; + types?: string[]; + typeRoots?: string[]; + version?: boolean; + watch?: boolean; + [option: string]: CompilerOptionsValue | undefined; } - interface TodoCommentRequestArgs extends FileRequestArgs { - descriptors: TodoCommentDescriptor[]; + interface TypingOptions { + enableAutoDiscovery?: boolean; + include?: string[]; + exclude?: string[]; + [option: string]: string[] | boolean | undefined; } - interface TodoCommentsResponse extends Response { - body?: TodoComment[]; + interface DiscoverTypingsInfo { + fileNames: string[]; + projectRootPath: string; + safeListPath: string; + packageNameToTypingLocation: Map; + typingOptions: TypingOptions; + compilerOptions: CompilerOptions; + unresolvedImports: ReadonlyArray; } - interface IndentationRequest extends FileLocationRequest { - command: CommandTypes.Indentation; - arguments: IndentationRequestArgs; + enum ModuleKind { + None = 0, + CommonJS = 1, + AMD = 2, + UMD = 3, + System = 4, + ES2015 = 5, } - interface IndentationResponse extends Response { - body?: IndentationResult; + const enum JsxEmit { + None = 0, + Preserve = 1, + React = 2, } - interface IndentationResult { - position: number; - indentation: number; + const enum NewLineKind { + CarriageReturnLineFeed = 0, + LineFeed = 1, } - interface IndentationRequestArgs extends FileLocationRequestArgs { - options?: EditorSettings; + interface LineAndCharacter { + line: number; + character: number; } - interface ProjectInfoRequestArgs extends FileRequestArgs { - needFileNameList: boolean; + const enum ScriptKind { + Unknown = 0, + JS = 1, + JSX = 2, + TS = 3, + TSX = 4, } - interface ProjectInfoRequest extends Request { - command: CommandTypes.ProjectInfo; - arguments: ProjectInfoRequestArgs; + const enum ScriptTarget { + ES3 = 0, + ES5 = 1, + ES2015 = 2, + ES2016 = 3, + ES2017 = 4, + Latest = 4, } - interface CompilerOptionsDiagnosticsRequest extends Request { - arguments: CompilerOptionsDiagnosticsRequestArgs; + const enum LanguageVariant { + Standard = 0, + JSX = 1, } - interface CompilerOptionsDiagnosticsRequestArgs { - projectFileName: string; + const enum DiagnosticStyle { + Simple = 0, + Pretty = 1, } - interface ProjectInfo { - configFileName: string; - fileNames?: string[]; - languageServiceDisabled?: boolean; + interface ParsedCommandLine { + options: CompilerOptions; + typingOptions?: TypingOptions; + fileNames: string[]; + raw?: any; + errors: Diagnostic[]; + wildcardDirectories?: MapLike; + compileOnSave?: boolean; } - interface DiagnosticWithLinePosition { - message: string; - start: number; - length: number; - startLocation: Location; - endLocation: Location; - category: string; - code: number; + const enum WatchDirectoryFlags { + None = 0, + Recursive = 1, } - interface ProjectInfoResponse extends Response { - body?: ProjectInfo; + interface ExpandResult { + fileNames: string[]; + wildcardDirectories: MapLike; } - interface FileRequest extends Request { - arguments: FileRequestArgs; + interface CommandLineOptionBase { + name: string; + type: "string" | "number" | "boolean" | "object" | "list" | Map; + isFilePath?: boolean; + shortName?: string; + description?: DiagnosticMessage; + paramType?: DiagnosticMessage; + experimental?: boolean; + isTSConfigOnly?: boolean; + } + interface CommandLineOptionOfPrimitiveType extends CommandLineOptionBase { + type: "string" | "number" | "boolean"; + } + interface CommandLineOptionOfCustomType extends CommandLineOptionBase { + type: Map; + } + interface TsConfigOnlyOption extends CommandLineOptionBase { + type: "object"; + } + interface CommandLineOptionOfListType extends CommandLineOptionBase { + type: "list"; + element: CommandLineOptionOfCustomType | CommandLineOptionOfPrimitiveType; + } + type CommandLineOption = CommandLineOptionOfCustomType | CommandLineOptionOfPrimitiveType | TsConfigOnlyOption | CommandLineOptionOfListType; + const enum CharacterCodes { + nullCharacter = 0, + maxAsciiCharacter = 127, + lineFeed = 10, + carriageReturn = 13, + lineSeparator = 8232, + paragraphSeparator = 8233, + nextLine = 133, + space = 32, + nonBreakingSpace = 160, + enQuad = 8192, + emQuad = 8193, + enSpace = 8194, + emSpace = 8195, + threePerEmSpace = 8196, + fourPerEmSpace = 8197, + sixPerEmSpace = 8198, + figureSpace = 8199, + punctuationSpace = 8200, + thinSpace = 8201, + hairSpace = 8202, + zeroWidthSpace = 8203, + narrowNoBreakSpace = 8239, + ideographicSpace = 12288, + mathematicalSpace = 8287, + ogham = 5760, + _ = 95, + $ = 36, + _0 = 48, + _1 = 49, + _2 = 50, + _3 = 51, + _4 = 52, + _5 = 53, + _6 = 54, + _7 = 55, + _8 = 56, + _9 = 57, + a = 97, + b = 98, + c = 99, + d = 100, + e = 101, + f = 102, + g = 103, + h = 104, + i = 105, + j = 106, + k = 107, + l = 108, + m = 109, + n = 110, + o = 111, + p = 112, + q = 113, + r = 114, + s = 115, + t = 116, + u = 117, + v = 118, + w = 119, + x = 120, + y = 121, + z = 122, + A = 65, + B = 66, + C = 67, + D = 68, + E = 69, + F = 70, + G = 71, + H = 72, + I = 73, + J = 74, + K = 75, + L = 76, + M = 77, + N = 78, + O = 79, + P = 80, + Q = 81, + R = 82, + S = 83, + T = 84, + U = 85, + V = 86, + W = 87, + X = 88, + Y = 89, + Z = 90, + ampersand = 38, + asterisk = 42, + at = 64, + backslash = 92, + backtick = 96, + bar = 124, + caret = 94, + closeBrace = 125, + closeBracket = 93, + closeParen = 41, + colon = 58, + comma = 44, + dot = 46, + doubleQuote = 34, + equals = 61, + exclamation = 33, + greaterThan = 62, + hash = 35, + lessThan = 60, + minus = 45, + openBrace = 123, + openBracket = 91, + openParen = 40, + percent = 37, + plus = 43, + question = 63, + semicolon = 59, + singleQuote = 39, + slash = 47, + tilde = 126, + backspace = 8, + formFeed = 12, + byteOrderMark = 65279, + tab = 9, + verticalTab = 11, } - interface FileLocationRequestArgs extends FileRequestArgs { - line: number; - offset: number; + interface ModuleResolutionHost { + fileExists(fileName: string): boolean; + readFile(fileName: string): string; + trace?(s: string): void; + directoryExists?(directoryName: string): boolean; + realpath?(path: string): string; + getCurrentDirectory?(): string; + getDirectories?(path: string): string[]; } - interface CodeFixRequest extends Request { - command: CommandTypes.GetCodeFixes; - arguments: CodeFixRequestArgs; + interface ResolvedModule { + resolvedFileName: string; + isExternalLibraryImport?: boolean; } - interface CodeFixRequestArgs extends FileRequestArgs { - startLine: number; - startOffset: number; - endLine: number; - endOffset: number; - errorCodes?: number[]; + interface ResolvedModuleWithFailedLookupLocations { + resolvedModule: ResolvedModule; + failedLookupLocations: string[]; } - interface GetCodeFixesResponse extends Response { - body?: CodeAction[]; + interface ResolvedTypeReferenceDirective { + primary: boolean; + resolvedFileName?: string; } - interface FileLocationRequest extends FileRequest { - arguments: FileLocationRequestArgs; + interface ResolvedTypeReferenceDirectiveWithFailedLookupLocations { + resolvedTypeReferenceDirective: ResolvedTypeReferenceDirective; + failedLookupLocations: string[]; } - interface GetSupportedCodeFixesRequest extends Request { - command: CommandTypes.GetSupportedCodeFixes; + interface CompilerHost extends ModuleResolutionHost { + getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; + getSourceFileByPath?(fileName: string, path: Path, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; + getCancellationToken?(): CancellationToken; + getDefaultLibFileName(options: CompilerOptions): string; + getDefaultLibLocation?(): string; + writeFile: WriteFileCallback; + getCurrentDirectory(): string; + getDirectories(path: string): string[]; + getCanonicalFileName(fileName: string): string; + useCaseSensitiveFileNames(): boolean; + getNewLine(): string; + resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; + resolveTypeReferenceDirectives?(typeReferenceDirectiveNames: string[], containingFile: string): ResolvedTypeReferenceDirective[]; + getEnvironmentVariable?(name: string): string; } - interface GetSupportedCodeFixesResponse extends Response { - body?: string[]; + const enum TransformFlags { + None = 0, + TypeScript = 1, + ContainsTypeScript = 2, + Jsx = 4, + ContainsJsx = 8, + ES2017 = 16, + ContainsES2017 = 32, + ES2016 = 64, + ContainsES2016 = 128, + ES2015 = 256, + ContainsES2015 = 512, + DestructuringAssignment = 1024, + Generator = 2048, + ContainsGenerator = 4096, + ContainsDecorators = 8192, + ContainsPropertyInitializer = 16384, + ContainsLexicalThis = 32768, + ContainsCapturedLexicalThis = 65536, + ContainsLexicalThisInComputedPropertyName = 131072, + ContainsDefaultValueAssignments = 262144, + ContainsParameterPropertyAssignments = 524288, + ContainsSpreadElementExpression = 1048576, + ContainsComputedPropertyName = 2097152, + ContainsBlockScopedBinding = 4194304, + ContainsBindingPattern = 8388608, + ContainsYield = 16777216, + ContainsHoistedDeclarationOrCompletion = 33554432, + HasComputedFlags = 536870912, + AssertTypeScript = 3, + AssertJsx = 12, + AssertES2017 = 48, + AssertES2016 = 192, + AssertES2015 = 768, + AssertGenerator = 6144, + NodeExcludes = 536874325, + ArrowFunctionExcludes = 592227669, + FunctionExcludes = 592293205, + ConstructorExcludes = 591760725, + MethodOrAccessorExcludes = 591760725, + ClassExcludes = 539749717, + ModuleExcludes = 574729557, + TypeExcludes = -3, + ObjectLiteralExcludes = 539110741, + ArrayLiteralOrCallOrNewExcludes = 537922901, + VariableDeclarationListExcludes = 545262933, + ParameterExcludes = 545262933, + TypeScriptClassSyntaxMask = 548864, + ES2015FunctionSyntaxMask = 327680, + } + interface EmitNode { + flags?: EmitFlags; + commentRange?: TextRange; + sourceMapRange?: TextRange; + tokenSourceMapRanges?: Map; + annotatedNodes?: Node[]; + constantValue?: number; + } + const enum EmitFlags { + EmitEmitHelpers = 1, + EmitExportStar = 2, + EmitSuperHelper = 4, + EmitAdvancedSuperHelper = 8, + UMDDefine = 16, + SingleLine = 32, + AdviseOnEmitNode = 64, + NoSubstitution = 128, + CapturesThis = 256, + NoLeadingSourceMap = 512, + NoTrailingSourceMap = 1024, + NoSourceMap = 1536, + NoNestedSourceMaps = 2048, + NoTokenLeadingSourceMaps = 4096, + NoTokenTrailingSourceMaps = 8192, + NoTokenSourceMaps = 12288, + NoLeadingComments = 16384, + NoTrailingComments = 32768, + NoComments = 49152, + NoNestedComments = 65536, + ExportName = 131072, + LocalName = 262144, + Indented = 524288, + NoIndentation = 1048576, + AsyncFunctionBody = 2097152, + ReuseTempVariableScope = 4194304, + CustomPrologue = 8388608, + } + const enum EmitContext { + SourceFile = 0, + Expression = 1, + IdentifierName = 2, + Unspecified = 3, + } + interface LexicalEnvironment { + startLexicalEnvironment(): void; + endLexicalEnvironment(): Statement[]; } - interface EncodedSemanticClassificationsRequestArgs extends FileRequestArgs { + interface TextSpan { start: number; length: number; } - interface DocumentHighlightsRequestArgs extends FileLocationRequestArgs { - filesToSearch: string[]; - } - interface DefinitionRequest extends FileLocationRequest { - command: CommandTypes.Definition; - } - interface TypeDefinitionRequest extends FileLocationRequest { - command: CommandTypes.TypeDefinition; - } - interface ImplementationRequest extends FileLocationRequest { - command: CommandTypes.Implementation; - } - interface Location { - line: number; - offset: number; - } - interface TextSpan { - start: Location; - end: Location; + interface TextChangeRange { + span: TextSpan; + newLength: number; } - interface FileSpan extends TextSpan { - file: string; + interface DiagnosticCollection { + add(diagnostic: Diagnostic): void; + getGlobalDiagnostics(): Diagnostic[]; + getDiagnostics(fileName?: string): Diagnostic[]; + getModificationCount(): number; + reattachFileDiagnostics(newFile: SourceFile): void; } - interface DefinitionResponse extends Response { - body?: FileSpan[]; + interface SyntaxList extends Node { + _children: Node[]; } - interface TypeDefinitionResponse extends Response { - body?: FileSpan[]; +} +declare namespace ts { + const timestamp: () => number; +} +declare namespace ts.performance { + function mark(markName: string): void; + function measure(measureName: string, startMarkName?: string, endMarkName?: string): void; + function getCount(markName: string): number; + function getDuration(measureName: string): number; + function forEachMeasure(cb: (measureName: string, duration: number) => void): void; + function enable(): void; + function disable(): void; +} +declare namespace ts { + const enum Ternary { + False = 0, + Maybe = 1, + True = -1, } - interface ImplementationResponse extends Response { - body?: FileSpan[]; + const collator: { + compare(a: string, b: string): number; + }; + function createMap(template?: MapLike): Map; + function createFileMap(keyMapper?: (key: string) => string): FileMap; + function toPath(fileName: string, basePath: string, getCanonicalFileName: (path: string) => string): Path; + const enum Comparison { + LessThan = -1, + EqualTo = 0, + GreaterThan = 1, + } + function forEach(array: T[] | undefined, callback: (element: T, index: number) => U | undefined): U | undefined; + function every(array: T[], callback: (element: T, index: number) => boolean): boolean; + function find(array: T[], predicate: (element: T, index: number) => boolean): T | undefined; + function findMap(array: T[], callback: (element: T, index: number) => U | undefined): U; + function contains(array: T[], value: T): boolean; + function indexOf(array: T[], value: T): number; + function indexOfAnyCharCode(text: string, charCodes: number[], start?: number): number; + function countWhere(array: T[], predicate: (x: T, i: number) => boolean): number; + function filter(array: T[], f: (x: T) => x is U): U[]; + function filter(array: T[], f: (x: T) => boolean): T[]; + function removeWhere(array: T[], f: (x: T) => boolean): boolean; + function filterMutate(array: T[], f: (x: T) => boolean): void; + function map(array: T[], f: (x: T, i: number) => U): U[]; + function sameMap(array: T[], f: (x: T, i: number) => T): T[]; + function flatten(array: (T | T[])[]): T[]; + function flatMap(array: T[], mapfn: (x: T, i: number) => U | U[]): U[]; + function span(array: T[], f: (x: T, i: number) => boolean): [T[], T[]]; + function spanMap(array: T[], keyfn: (x: T, i: number) => K, mapfn: (chunk: T[], key: K, start: number, end: number) => U): U[]; + function mapObject(object: MapLike, f: (key: string, x: T) => [string, U]): MapLike; + function some(array: T[], predicate?: (value: T) => boolean): boolean; + function concatenate(array1: T[], array2: T[]): T[]; + function deduplicate(array: T[], areEqual?: (a: T, b: T) => boolean): T[]; + function arrayIsEqualTo(array1: ReadonlyArray, array2: ReadonlyArray, equaler?: (a: T, b: T) => boolean): boolean; + function changesAffectModuleResolution(oldOptions: CompilerOptions, newOptions: CompilerOptions): boolean; + function compact(array: T[]): T[]; + function sum(array: any[], prop: string): number; + function addRange(to: T[], from: T[]): void; + function rangeEquals(array1: T[], array2: T[], pos: number, end: number): boolean; + function firstOrUndefined(array: T[]): T; + function singleOrUndefined(array: T[]): T; + function singleOrMany(array: T[]): T | T[]; + function lastOrUndefined(array: T[]): T; + function replaceElement(array: T[], index: number, value: T): T[]; + function binarySearch(array: T[], value: T, comparer?: (v1: T, v2: T) => number): number; + function reduceLeft(array: T[], f: (memo: U, value: T, i: number) => U, initial: U, start?: number, count?: number): U; + function reduceLeft(array: T[], f: (memo: T, value: T, i: number) => T): T; + function reduceRight(array: T[], f: (memo: U, value: T, i: number) => U, initial: U, start?: number, count?: number): U; + function reduceRight(array: T[], f: (memo: T, value: T, i: number) => T): T; + function hasProperty(map: MapLike, key: string): boolean; + function getProperty(map: MapLike, key: string): T | undefined; + function getOwnKeys(map: MapLike): string[]; + function forEachProperty(map: Map, callback: (value: T, key: string) => U): U; + function someProperties(map: Map, predicate?: (value: T, key: string) => boolean): boolean; + function copyProperties(source: Map, target: MapLike): void; + function assign, T2, T3>(t: T1, arg1: T2, arg2: T3): T1 & T2 & T3; + function assign, T2>(t: T1, arg1: T2): T1 & T2; + function assign>(t: T1, ...args: any[]): any; + function reduceProperties(map: Map, callback: (aggregate: U, value: T, key: string) => U, initial: U): U; + function reduceOwnProperties(map: MapLike, callback: (aggregate: U, value: T, key: string) => U, initial: U): U; + function equalOwnProperties(left: MapLike, right: MapLike, equalityComparer?: (left: T, right: T) => boolean): boolean; + function arrayToMap(array: T[], makeKey: (value: T) => string): Map; + function arrayToMap(array: T[], makeKey: (value: T) => string, makeValue: (value: T) => U): Map; + function isEmpty(map: Map): boolean; + function cloneMap(map: Map): Map; + function clone(object: T): T; + function extend(first: T1, second: T2): T1 & T2; + function multiMapAdd(map: Map, key: string, value: V): V[]; + function multiMapRemove(map: Map, key: string, value: V): void; + function isArray(value: any): value is any[]; + function noop(): void; + function notImplemented(): never; + function memoize(callback: () => T): () => T; + function chain(...args: ((t: T) => (u: U) => U)[]): (t: T) => (u: U) => U; + function compose(...args: ((t: T) => T)[]): (t: T) => T; + let localizedDiagnosticMessages: Map; + function getLocaleSpecificMessage(message: DiagnosticMessage): string; + function createFileDiagnostic(file: SourceFile, start: number, length: number, message: DiagnosticMessage, ...args: (string | number)[]): Diagnostic; + function formatMessage(_dummy: any, message: DiagnosticMessage): string; + function createCompilerDiagnostic(message: DiagnosticMessage, ...args: (string | number)[]): Diagnostic; + function chainDiagnosticMessages(details: DiagnosticMessageChain, message: DiagnosticMessage, ...args: any[]): DiagnosticMessageChain; + function concatenateDiagnosticMessageChains(headChain: DiagnosticMessageChain, tailChain: DiagnosticMessageChain): DiagnosticMessageChain; + function compareValues(a: T, b: T): Comparison; + function compareStrings(a: string, b: string, ignoreCase?: boolean): Comparison; + function compareStringsCaseInsensitive(a: string, b: string): Comparison; + function compareDiagnostics(d1: Diagnostic, d2: Diagnostic): Comparison; + function sortAndDeduplicateDiagnostics(diagnostics: Diagnostic[]): Diagnostic[]; + function deduplicateSortedDiagnostics(diagnostics: Diagnostic[]): Diagnostic[]; + function normalizeSlashes(path: string): string; + function getRootLength(path: string): number; + const directorySeparator = "/"; + function normalizePath(path: string): string; + function pathEndsWithDirectorySeparator(path: string): boolean; + function getDirectoryPath(path: Path): Path; + function getDirectoryPath(path: string): string; + function isUrl(path: string): boolean; + function isExternalModuleNameRelative(moduleName: string): boolean; + function getEmitScriptTarget(compilerOptions: CompilerOptions): ScriptTarget; + function getEmitModuleKind(compilerOptions: CompilerOptions): ModuleKind; + function hasZeroOrOneAsteriskCharacter(str: string): boolean; + function isRootedDiskPath(path: string): boolean; + function convertToRelativePath(absoluteOrRelativePath: string, basePath: string, getCanonicalFileName: (path: string) => string): string; + function getNormalizedPathComponents(path: string, currentDirectory: string): string[]; + function getNormalizedAbsolutePath(fileName: string, currentDirectory: string): string; + function getNormalizedPathFromPathComponents(pathComponents: string[]): string; + function getRelativePathToDirectoryOrUrl(directoryPathOrUrl: string, relativeOrAbsolutePath: string, currentDirectory: string, getCanonicalFileName: (fileName: string) => string, isAbsolutePathAnUrl: boolean): string; + function getBaseFileName(path: string): string; + function combinePaths(path1: string, path2: string): string; + function removeTrailingDirectorySeparator(path: string): string; + function ensureTrailingDirectorySeparator(path: string): string; + function comparePaths(a: string, b: string, currentDirectory: string, ignoreCase?: boolean): Comparison; + function containsPath(parent: string, child: string, currentDirectory: string, ignoreCase?: boolean): boolean; + function startsWith(str: string, prefix: string): boolean; + function endsWith(str: string, suffix: string): boolean; + function fileExtensionIs(path: string, extension: string): boolean; + function fileExtensionIsAny(path: string, extensions: string[]): boolean; + function getRegularExpressionForWildcard(specs: string[], basePath: string, usage: "files" | "directories" | "exclude"): string; + interface FileSystemEntries { + files: string[]; + directories: string[]; + } + interface FileMatcherPatterns { + includeFilePattern: string; + includeDirectoryPattern: string; + excludePattern: string; + basePaths: string[]; + } + function getFileMatcherPatterns(path: string, excludes: string[], includes: string[], useCaseSensitiveFileNames: boolean, currentDirectory: string): FileMatcherPatterns; + function matchFiles(path: string, extensions: string[], excludes: string[], includes: string[], useCaseSensitiveFileNames: boolean, currentDirectory: string, getFileSystemEntries: (path: string) => FileSystemEntries): string[]; + function ensureScriptKind(fileName: string, scriptKind?: ScriptKind): ScriptKind; + function getScriptKindFromFileName(fileName: string): ScriptKind; + const supportedTypeScriptExtensions: string[]; + const supportedTypescriptExtensionsForExtractExtension: string[]; + const supportedJavascriptExtensions: string[]; + function getSupportedExtensions(options?: CompilerOptions): string[]; + function hasJavaScriptFileExtension(fileName: string): boolean; + function hasTypeScriptFileExtension(fileName: string): boolean; + function isSupportedSourceFileName(fileName: string, compilerOptions?: CompilerOptions): boolean; + const enum ExtensionPriority { + TypeScriptFiles = 0, + DeclarationAndJavaScriptFiles = 2, + Limit = 5, + Highest = 0, + Lowest = 2, + } + function getExtensionPriority(path: string, supportedExtensions: string[]): ExtensionPriority; + function adjustExtensionPriority(extensionPriority: ExtensionPriority): ExtensionPriority; + function getNextLowestExtensionPriority(extensionPriority: ExtensionPriority): ExtensionPriority; + function removeFileExtension(path: string): string; + function tryRemoveExtension(path: string, extension: string): string | undefined; + function removeExtension(path: string, extension: string): string; + function isJsxOrTsxExtension(ext: string): boolean; + function changeExtension(path: T, newExtension: string): T; + interface ObjectAllocator { + getNodeConstructor(): new (kind: SyntaxKind, pos?: number, end?: number) => Node; + getTokenConstructor(): new (kind: TKind, pos?: number, end?: number) => Token; + getIdentifierConstructor(): new (kind: SyntaxKind.Identifier, pos?: number, end?: number) => Identifier; + getSourceFileConstructor(): new (kind: SyntaxKind.SourceFile, pos?: number, end?: number) => SourceFile; + getSymbolConstructor(): new (flags: SymbolFlags, name: string) => Symbol; + getTypeConstructor(): new (checker: TypeChecker, flags: TypeFlags) => Type; + getSignatureConstructor(): new (checker: TypeChecker) => Signature; + } + let objectAllocator: ObjectAllocator; + const enum AssertionLevel { + None = 0, + Normal = 1, + Aggressive = 2, + VeryAggressive = 3, + } + namespace Debug { + let currentAssertionLevel: AssertionLevel; + function shouldAssert(level: AssertionLevel): boolean; + function assert(expression: boolean, message?: string, verboseDebugInfo?: () => string): void; + function fail(message?: string): void; + } + function orderedRemoveItemAt(array: T[], index: number): void; + function unorderedRemoveItemAt(array: T[], index: number): void; + function unorderedRemoveItem(array: T[], item: T): void; + function createGetCanonicalFileName(useCaseSensitiveFileNames: boolean): (fileName: string) => string; + function matchPatternOrExact(patternStrings: string[], candidate: string): string | Pattern | undefined; + function patternText({prefix, suffix}: Pattern): string; + function matchedText(pattern: Pattern, candidate: string): string; + function findBestPatternMatch(values: T[], getPattern: (value: T) => Pattern, candidate: string): T | undefined; + function tryParsePattern(pattern: string): Pattern | undefined; + function positionIsSynthesized(pos: number): boolean; +} +declare namespace ts { + type FileWatcherCallback = (fileName: string, removed?: boolean) => void; + type DirectoryWatcherCallback = (fileName: string) => void; + interface WatchedFile { + fileName: string; + callback: FileWatcherCallback; + mtime?: Date; } - interface BraceCompletionRequest extends FileLocationRequest { - command: CommandTypes.BraceCompletion; - arguments: BraceCompletionRequestArgs; + interface System { + args: string[]; + newLine: string; + useCaseSensitiveFileNames: boolean; + write(s: string): void; + readFile(path: string, encoding?: string): string; + getFileSize?(path: string): number; + writeFile(path: string, data: string, writeByteOrderMark?: boolean): void; + watchFile?(path: string, callback: FileWatcherCallback): FileWatcher; + watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean): FileWatcher; + resolvePath(path: string): string; + fileExists(path: string): boolean; + directoryExists(path: string): boolean; + createDirectory(path: string): void; + getExecutingFilePath(): string; + getCurrentDirectory(): string; + getDirectories(path: string): string[]; + readDirectory(path: string, extensions?: string[], exclude?: string[], include?: string[]): string[]; + getModifiedTime?(path: string): Date; + createHash?(data: string): string; + getMemoryUsage?(): number; + exit(exitCode?: number): void; + realpath?(path: string): string; + getEnvironmentVariable(name: string): string; + tryEnableSourceMapsForHost?(): void; + setTimeout?(callback: (...args: any[]) => void, ms: number, ...args: any[]): any; + clearTimeout?(timeoutId: any): void; } - interface BraceCompletionRequestArgs extends FileLocationRequestArgs { - openingBrace: string; + interface FileWatcher { + close(): void; } - interface OccurrencesRequest extends FileLocationRequest { - command: CommandTypes.Occurrences; + interface DirectoryWatcher extends FileWatcher { + directoryName: string; + referenceCount: number; } - interface OccurrencesResponseItem extends FileSpan { - isWriteAccess: boolean; + let sys: System; +} +declare namespace ts { + const Diagnostics: { + Unterminated_string_literal: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Identifier_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_file_cannot_have_a_reference_to_itself: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Trailing_comma_not_allowed: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Asterisk_Slash_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unexpected_token: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_rest_parameter_must_be_last_in_a_parameter_list: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_cannot_have_question_mark_and_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_required_parameter_cannot_follow_an_optional_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_cannot_have_a_rest_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_parameter_cannot_have_an_accessibility_modifier: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_parameter_cannot_have_a_question_mark: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_parameter_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_must_have_a_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_parameter_must_have_a_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_parameter_type_must_be_string_or_number: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Accessibility_modifier_already_seen: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_must_precede_1_modifier: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_already_seen: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_appear_on_a_class_element: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_must_be_followed_by_an_argument_list_or_member_access: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Only_ambient_modules_can_use_quoted_names: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Statements_are_not_allowed_in_ambient_contexts: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Initializers_are_not_allowed_in_ambient_contexts: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_be_used_in_an_ambient_context: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_be_used_with_a_class_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_be_used_here: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_appear_on_a_data_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_appear_on_a_module_or_namespace_element: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_0_modifier_cannot_be_used_with_an_interface_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_rest_parameter_cannot_be_optional: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_rest_parameter_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_set_accessor_must_have_exactly_one_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_set_accessor_cannot_have_an_optional_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_set_accessor_parameter_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_set_accessor_cannot_have_rest_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_get_accessor_cannot_have_parameters: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_is_not_a_valid_async_function_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_async_function_or_method_must_have_a_valid_awaitable_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Operand_for_await_does_not_have_a_valid_callable_then_member: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enum_member_must_have_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_export_assignment_cannot_be_used_in_a_namespace: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_appear_on_a_type_member: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_appear_on_an_index_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_0_modifier_cannot_be_used_with_an_import_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_reference_directive_syntax: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_accessor_cannot_be_declared_in_an_ambient_context: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_appear_on_a_constructor_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_appear_on_a_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameters_cannot_appear_on_a_constructor_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_annotation_cannot_appear_on_a_constructor_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_accessor_cannot_have_type_parameters: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_set_accessor_cannot_have_a_return_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_signature_must_have_exactly_one_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_list_cannot_be_empty: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_list_cannot_be_empty: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_argument_list_cannot_be_empty: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_use_of_0_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + with_statements_are_not_allowed_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + delete_cannot_be_called_on_an_identifier_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Jump_target_cannot_cross_function_boundary: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_return_statement_can_only_be_used_within_a_function_body: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expression_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_label_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_export_assignment_cannot_have_modifiers: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Octal_literals_are_not_allowed_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_tuple_type_element_list_cannot_be_empty: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Variable_declaration_list_cannot_be_empty: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Digit_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Hexadecimal_digit_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unexpected_end_of_text: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_character: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Declaration_or_statement_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Statement_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + case_or_default_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_or_signature_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enum_member_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Variable_declaration_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Argument_expression_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_assignment_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expression_or_comma_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_declaration_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_declaration_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_argument_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + String_literal_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Line_break_not_permitted_here: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + or_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Declaration_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Import_declarations_in_a_namespace_cannot_reference_a_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_use_imports_exports_or_module_augmentations_when_module_is_none: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_name_0_differs_from_already_included_file_name_1_only_in_casing: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + const_declarations_must_be_initialized: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + const_declarations_can_only_be_declared_inside_a_block: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + let_declarations_can_only_be_declared_inside_a_block: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unterminated_template_literal: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unterminated_regular_expression_literal: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_object_member_cannot_be_declared_optional: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_yield_expression_is_only_allowed_in_a_generator_body: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Computed_property_names_are_not_allowed_in_enums: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_comma_expression_is_not_allowed_in_a_computed_property_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + extends_clause_already_seen: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + extends_clause_must_precede_implements_clause: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Classes_can_only_extend_a_single_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + implements_clause_already_seen: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Interface_declaration_cannot_have_implements_clause: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Binary_digit_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Octal_digit_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unexpected_token_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_destructuring_pattern_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Array_element_destructuring_pattern_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_destructuring_declaration_must_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_implementation_cannot_be_declared_in_ambient_contexts: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Modifiers_cannot_appear_here: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Merge_conflict_marker_encountered: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_rest_element_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_parameter_property_may_not_be_declared_using_a_binding_pattern: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_import_declaration_cannot_have_modifiers: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_0_has_no_default_export: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_export_declaration_cannot_have_modifiers: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Export_declarations_are_not_permitted_in_a_namespace: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Catch_clause_variable_cannot_have_a_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Catch_clause_variable_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unterminated_Unicode_escape_sequence: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Line_terminator_not_permitted_before_arrow: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Decorators_are_not_valid_here: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_class_declaration_without_the_default_modifier_must_have_a_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Identifier_expected_0_is_a_reserved_word_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Export_assignment_is_not_supported_when_module_flag_is_system: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Generators_are_not_allowed_in_an_ambient_context: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_overload_signature_cannot_be_declared_as_a_generator: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_tag_already_specified: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Signature_0_must_have_a_type_predicate: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_parameter_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_predicate_0_is_not_assignable_to_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_is_not_in_the_same_position_as_parameter_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_type_predicate_cannot_reference_a_rest_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_export_assignment_can_only_be_used_in_a_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_import_declaration_can_only_be_used_in_a_namespace_or_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_export_declaration_can_only_be_used_in_a_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_modifier_cannot_be_used_with_1_modifier: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Abstract_methods_can_only_appear_within_an_abstract_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_interface_property_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_type_literal_property_cannot_have_an_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_class_member_cannot_have_the_0_keyword: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + with_statements_are_not_allowed_in_an_async_function_block: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + await_expression_is_only_allowed_within_an_async_function: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_body_of_an_if_statement_cannot_be_the_empty_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Global_module_exports_may_only_appear_in_module_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Global_module_exports_may_only_appear_in_declaration_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Global_module_exports_may_only_appear_at_top_level: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_parameter_property_cannot_be_declared_using_a_rest_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_identifier_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Static_members_cannot_reference_class_type_parameters: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Circular_definition_of_import_alias_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_0_has_no_exported_member_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_0_is_not_a_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_module_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_recursively_references_itself_as_a_base_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_class_may_only_extend_another_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_interface_may_only_extend_a_class_or_another_interface: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_has_a_circular_constraint: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Generic_type_0_requires_1_type_argument_s: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_is_not_generic: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Global_type_0_must_be_a_class_or_interface_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Global_type_0_must_have_1_type_parameter_s: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_global_type_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Named_property_0_of_types_1_and_2_are_not_identical: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Interface_0_cannot_simultaneously_extend_types_1_and_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Excessive_stack_depth_comparing_types_0_and_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_is_not_assignable_to_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_redeclare_exported_variable_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_missing_in_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_private_in_type_1_but_not_in_type_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Types_of_property_0_are_incompatible: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_optional_in_type_1_but_required_in_type_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Types_of_parameters_0_and_1_are_incompatible: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Index_signature_is_missing_in_type_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Index_signatures_are_incompatible: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + this_cannot_be_referenced_in_a_module_or_namespace_body: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + this_cannot_be_referenced_in_current_location: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + this_cannot_be_referenced_in_constructor_arguments: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + this_cannot_be_referenced_in_a_static_property_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_can_only_be_referenced_in_a_derived_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_cannot_be_referenced_in_constructor_arguments: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_does_not_exist_on_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_private_and_only_accessible_within_class_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_does_not_satisfy_the_constraint_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Supplied_parameters_do_not_match_any_signature_of_call_target: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Untyped_function_calls_may_not_accept_type_arguments: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Only_a_void_function_can_be_called_with_the_new_keyword: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_cannot_be_converted_to_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_left_hand_side_of_assignment_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Operator_0_cannot_be_applied_to_types_1_and_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_name_cannot_be_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_parameter_property_is_only_allowed_in_a_constructor_implementation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_rest_parameter_must_be_of_an_array_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_cannot_be_referenced_in_its_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_string_index_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_number_index_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Constructors_for_derived_classes_must_contain_a_super_call: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_get_accessor_must_return_a_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Getter_and_setter_accessors_do_not_agree_in_visibility: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + get_and_set_accessor_must_have_the_same_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_signature_with_an_implementation_cannot_use_a_string_literal_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Overload_signatures_must_all_be_exported_or_non_exported: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Overload_signatures_must_all_be_ambient_or_non_ambient: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Overload_signatures_must_all_be_public_private_or_protected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Overload_signatures_must_all_be_optional_or_required: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_overload_must_be_static: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_overload_must_not_be_static: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_implementation_name_must_be_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Constructor_implementation_is_missing: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_implementation_is_missing_or_not_immediately_following_the_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Multiple_constructor_implementations_are_not_allowed: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_function_implementation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Overload_signature_is_not_compatible_with_function_implementation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Declaration_name_conflicts_with_built_in_global_identifier_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_left_hand_side_in_for_in_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Setters_cannot_return_a_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_name_cannot_be_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_0_incorrectly_extends_base_class_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_static_side_0_incorrectly_extends_base_class_static_side_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_0_incorrectly_implements_interface_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_class_may_only_implement_another_class_or_interface: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Interface_name_cannot_be_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + All_declarations_of_0_must_have_identical_type_parameters: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Interface_0_incorrectly_extends_interface_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enum_name_cannot_be_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Ambient_module_declaration_cannot_specify_relative_module_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Import_name_cannot_be_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Import_declaration_conflicts_with_local_declaration_of_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Types_have_separate_declarations_of_a_private_property_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_protected_in_type_1_but_public_in_type_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Block_scoped_variable_0_used_before_its_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_redeclare_block_scoped_variable_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_enum_member_cannot_have_a_numeric_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Variable_0_is_used_before_being_assigned: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_alias_0_circularly_references_itself: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_alias_name_cannot_be_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_AMD_module_cannot_have_multiple_name_assignments: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_has_no_property_1_and_no_string_index_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_has_no_property_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_is_not_an_array_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_rest_element_must_be_last_in_an_array_destructuring_pattern: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + this_cannot_be_referenced_in_a_computed_property_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_cannot_be_referenced_in_a_computed_property_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_global_value_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_0_operator_cannot_be_applied_to_type_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enum_declarations_must_all_be_const_or_non_const: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + In_const_enum_declarations_member_initializer_must_be_constant_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_const_enum_member_can_only_be_accessed_using_a_string_literal: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_does_not_exist_on_const_enum_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Export_declaration_conflicts_with_exported_declaration_of_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_left_hand_side_in_for_of_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_iterator_must_have_a_next_method: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_redeclare_identifier_0_in_catch_clause: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_is_not_an_array_type_or_a_string_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_rest_element_cannot_contain_a_binding_pattern: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_namespace_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_generator_cannot_have_a_void_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_is_not_a_constructor_function_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + No_base_constructor_has_the_specified_number_of_type_arguments: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Base_constructor_return_type_0_is_not_a_class_or_interface_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Base_constructors_must_all_have_the_same_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_create_an_instance_of_the_abstract_class_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Overload_signatures_must_all_be_abstract_or_non_abstract: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Classes_containing_abstract_methods_must_be_marked_abstract: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + All_declarations_of_an_abstract_method_must_be_consecutive: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + yield_expressions_cannot_be_used_in_a_parameter_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + await_expressions_cannot_be_used_in_a_parameter_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_module_cannot_have_multiple_default_exports: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_incompatible_with_index_signature: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Object_is_possibly_null: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Object_is_possibly_undefined: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Object_is_possibly_null_or_undefined: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_function_returning_never_cannot_have_a_reachable_end_point: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enum_type_0_has_members_with_initializers_that_are_not_literals: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_element_attributes_type_0_may_not_be_a_union_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_in_type_1_is_not_assignable_to_type_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_global_type_JSX_0_may_not_have_more_than_one_property: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_emit_namespaced_JSX_elements_in_React: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_expressions_must_have_one_parent_element: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_provides_no_match_for_the_signature_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_module_name_in_augmentation_module_0_cannot_be_found: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_assign_a_0_constructor_type_to_a_1_constructor_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_extend_a_class_0_Class_constructor_is_marked_as_private: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Accessors_must_both_be_abstract_or_non_abstract: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_0_is_not_comparable_to_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_this_parameter_must_be_the_first_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_constructor_cannot_have_a_this_parameter: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + get_and_set_accessor_must_have_the_same_this_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_this_types_of_each_signature_are_incompatible: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + All_declarations_of_0_must_have_identical_modifiers: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_type_definition_file_for_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_extend_an_interface_0_Did_you_mean_implements: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_class_must_be_declared_after_its_base_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_only_refers_to_a_type_but_is_being_used_as_a_value_here: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Namespace_0_has_no_exported_member_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Left_side_of_comma_operator_is_unused_and_has_no_side_effects: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Import_declaration_0_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Exported_variable_0_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Public_property_0_of_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_of_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Return_type_of_exported_function_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_of_exported_function_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Exported_type_alias_0_has_or_is_using_private_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Default_export_of_the_module_has_or_is_using_private_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_current_host_does_not_support_the_0_option: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_the_common_subdirectory_path_for_the_input_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_read_file_0_Colon_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unsupported_file_encoding: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Failed_to_parse_file_0_Colon_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unknown_compiler_option_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Compiler_option_0_requires_a_value_of_type_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Could_not_write_file_0_Colon_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_0_cannot_be_specified_without_specifying_option_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_0_cannot_be_specified_with_option_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_tsconfig_json_file_is_already_defined_at_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_write_file_0_because_it_would_overwrite_input_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_specified_path_does_not_exist_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_paths_cannot_be_used_without_specifying_baseUrl_option: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Pattern_0_can_have_at_most_one_Asterisk_character: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Substitutions_for_pattern_0_should_be_an_array: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Substitutions_for_pattern_0_shouldn_t_be_an_empty_array: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Concatenate_and_emit_output_to_single_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Generates_corresponding_d_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Watch_input_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Redirect_output_structure_to_the_directory: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_erase_const_enum_declarations_in_generated_code: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_emit_outputs_if_any_errors_were_reported: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_emit_comments_to_output: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_emit_outputs: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Skip_type_checking_of_declaration_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Print_this_message: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Print_the_compiler_s_version: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Compile_the_project_in_the_given_directory: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Syntax_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + options: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Examples_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Options_Colon: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Version_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Insert_command_line_options_and_files_from_a_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_change_detected_Starting_incremental_compilation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + KIND: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + FILE: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + VERSION: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + LOCATION: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + DIRECTORY: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + STRATEGY: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Compilation_complete_Watching_for_file_changes: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Generates_corresponding_map_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Compiler_option_0_expects_an_argument: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unterminated_quoted_string_in_response_file_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Argument_for_0_option_must_be_Colon_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unsupported_locale_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unable_to_open_file_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Corrupted_locale_file_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_0_not_found: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + NEWLINE: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_0_can_only_be_specified_in_tsconfig_json_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enables_experimental_support_for_ES7_decorators: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enables_experimental_support_for_emitting_type_metadata_for_decorators: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enables_experimental_support_for_ES7_async_functions: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Successfully_created_a_tsconfig_json_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Suppress_excess_property_checks_for_object_literals: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Stylize_errors_and_messages_using_color_and_context_experimental: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_report_errors_on_unused_labels: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Report_error_when_not_all_code_paths_in_function_return_a_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Report_errors_for_fallthrough_cases_in_switch_statement: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_report_errors_on_unreachable_code: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Disallow_inconsistently_cased_references_to_the_same_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_library_files_to_be_included_in_the_compilation_Colon: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_JSX_code_generation_Colon_preserve_or_react: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Only_amd_and_system_modules_are_supported_alongside_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Base_directory_to_resolve_non_absolute_module_names: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enable_tracing_of_the_name_resolution_process: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_module_0_from_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Explicitly_specified_module_resolution_kind_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_resolution_kind_is_not_specified_using_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_name_0_was_successfully_resolved_to_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_name_0_was_not_resolved: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_name_0_matched_pattern_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Trying_substitution_0_candidate_module_location_Colon_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_module_name_0_relative_to_base_url_1_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Loading_module_as_file_Slash_folder_candidate_module_location_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_0_does_not_exist: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_0_exist_use_it_as_a_name_resolution_result: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Loading_module_0_from_node_modules_folder: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Found_package_json_at_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + package_json_does_not_have_types_field: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + package_json_has_0_field_1_that_references_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Allow_javascript_files_to_be_compiled: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Option_0_should_have_array_of_strings_as_a_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Checking_if_0_is_the_longest_matching_prefix_for_1_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expected_type_of_0_field_in_package_json_to_be_string_got_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Longest_matching_prefix_for_0_is_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Loading_0_from_the_root_dir_1_candidate_location_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Trying_other_entries_in_rootDirs: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Module_resolution_using_rootDirs_has_failed: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Do_not_emit_use_strict_directives_in_module_output: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Enable_strict_null_checks: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unknown_option_excludes_Did_you_mean_exclude: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Raise_error_on_this_expressions_with_an_implied_any_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_type_reference_directive_0_containing_file_1_root_directory_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_using_primary_search_paths: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_from_node_modules_folder: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_reference_directive_0_was_not_resolved: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_with_primary_search_path_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Root_directory_cannot_be_determined_skipping_primary_search_paths: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Type_declaration_files_to_be_included_in_compilation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Looking_up_in_node_modules_folder_initial_location_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_config_file_0_found_doesn_t_contain_any_source_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Resolving_real_path_for_0_result_1: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + File_name_0_has_a_1_extension_stripping_it: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_is_declared_but_never_used: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Report_errors_on_unused_locals: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Report_errors_on_unused_parameters: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_is_declared_but_never_used: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Import_emit_helpers_from_tslib: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parse_in_strict_mode_and_emit_use_strict_for_each_source_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Variable_0_implicitly_has_an_1_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Parameter_0_implicitly_has_an_1_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Member_0_implicitly_has_an_1_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Index_signature_of_object_type_implicitly_has_an_any_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Object_literal_s_property_0_implicitly_has_an_1_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Rest_parameter_0_implicitly_has_an_any_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unreachable_code_detected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unused_label: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Fallthrough_case_in_switch: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Not_all_code_paths_return_a_value: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Binding_element_0_implicitly_has_an_1_type: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + You_cannot_rename_this_element: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + import_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + export_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + type_parameter_declarations_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + implements_clauses_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + interface_declarations_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + module_declarations_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + type_aliases_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + _0_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + types_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + type_arguments_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + parameter_modifiers_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + enum_declarations_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + type_assertion_expressions_can_only_be_used_in_a_ts_file: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + class_expressions_are_not_currently_supported: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_attributes_must_only_be_assigned_a_non_empty_expression: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Expected_corresponding_JSX_closing_tag_for_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_attribute_expected: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Cannot_use_JSX_unless_the_jsx_flag_is_provided: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + JSX_element_0_has_no_corresponding_closing_tag: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Unknown_typing_option_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Circularity_detected_while_resolving_configuration_Colon_0: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_path_in_an_extends_options_must_be_relative_or_rooted: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + The_files_list_in_config_file_0_is_empty: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Add_missing_super_call: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Make_super_call_the_first_statement_in_the_constructor: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Change_extends_to_implements: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Remove_unused_identifiers: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Implement_interface_on_reference: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Implement_interface_on_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + Implement_inherited_abstract_class: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; + }; +} +declare namespace ts { + interface ErrorCallback { + (message: DiagnosticMessage, length: number): void; } - interface OccurrencesResponse extends Response { - body?: OccurrencesResponseItem[]; + function tokenIsIdentifierOrKeyword(token: SyntaxKind): boolean; + interface Scanner { + getStartPos(): number; + getToken(): SyntaxKind; + getTextPos(): number; + getTokenPos(): number; + getTokenText(): string; + getTokenValue(): string; + hasExtendedUnicodeEscape(): boolean; + hasPrecedingLineBreak(): boolean; + isIdentifier(): boolean; + isReservedWord(): boolean; + isUnterminated(): boolean; + reScanGreaterToken(): SyntaxKind; + reScanSlashToken(): SyntaxKind; + reScanTemplateToken(): SyntaxKind; + scanJsxIdentifier(): SyntaxKind; + scanJsxAttributeValue(): SyntaxKind; + reScanJsxToken(): SyntaxKind; + scanJsxToken(): SyntaxKind; + scanJSDocToken(): SyntaxKind; + scan(): SyntaxKind; + getText(): string; + setText(text: string, start?: number, length?: number): void; + setOnError(onError: ErrorCallback): void; + setScriptTarget(scriptTarget: ScriptTarget): void; + setLanguageVariant(variant: LanguageVariant): void; + setTextPos(textPos: number): void; + lookAhead(callback: () => T): T; + scanRange(start: number, length: number, callback: () => T): T; + tryScan(callback: () => T): T; } - interface DocumentHighlightsRequest extends FileLocationRequest { - command: CommandTypes.DocumentHighlights; - arguments: DocumentHighlightsRequestArgs; + function isUnicodeIdentifierStart(code: number, languageVersion: ScriptTarget): boolean; + function tokenToString(t: SyntaxKind): string; + function stringToToken(s: string): SyntaxKind; + function computeLineStarts(text: string): number[]; + function getPositionOfLineAndCharacter(sourceFile: SourceFile, line: number, character: number): number; + function computePositionOfLineAndCharacter(lineStarts: number[], line: number, character: number): number; + function getLineStarts(sourceFile: SourceFile): number[]; + function computeLineAndCharacterOfPosition(lineStarts: number[], position: number): { + line: number; + character: number; + }; + function getLineAndCharacterOfPosition(sourceFile: SourceFile, position: number): LineAndCharacter; + function isWhiteSpace(ch: number): boolean; + function isWhiteSpaceSingleLine(ch: number): boolean; + function isLineBreak(ch: number): boolean; + function isOctalDigit(ch: number): boolean; + function couldStartTrivia(text: string, pos: number): boolean; + function skipTrivia(text: string, pos: number, stopAfterLineBreak?: boolean, stopAtComments?: boolean): number; + function forEachLeadingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T) => U, state?: T): U; + function forEachTrailingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T) => U, state?: T): U; + function reduceEachLeadingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T, memo: U) => U, state: T, initial: U): U; + function reduceEachTrailingCommentRange(text: string, pos: number, cb: (pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: T, memo: U) => U, state: T, initial: U): U; + function getLeadingCommentRanges(text: string, pos: number): CommentRange[]; + function getTrailingCommentRanges(text: string, pos: number): CommentRange[]; + function getShebang(text: string): string; + function isIdentifierStart(ch: number, languageVersion: ScriptTarget): boolean; + function isIdentifierPart(ch: number, languageVersion: ScriptTarget): boolean; + function isIdentifierText(name: string, languageVersion: ScriptTarget): boolean; + function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, text?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner; +} +declare namespace ts { + const compileOnSaveCommandLineOption: CommandLineOption; + const optionDeclarations: CommandLineOption[]; + let typingOptionDeclarations: CommandLineOption[]; + interface OptionNameMap { + optionNameMap: Map; + shortOptionNames: Map; + } + const defaultInitCompilerOptions: CompilerOptions; + function getOptionNameMap(): OptionNameMap; + function createCompilerDiagnosticForInvalidCustomType(opt: CommandLineOptionOfCustomType): Diagnostic; + function parseCustomTypeOption(opt: CommandLineOptionOfCustomType, value: string, errors: Diagnostic[]): string | number; + function parseListTypeOption(opt: CommandLineOptionOfListType, value: string, errors: Diagnostic[]): (string | number)[] | undefined; + function parseCommandLine(commandLine: string[], readFile?: (path: string) => string): ParsedCommandLine; + function readConfigFile(fileName: string, readFile: (path: string) => string): { + config?: any; + error?: Diagnostic; + }; + function parseConfigFileTextToJson(fileName: string, jsonText: string, stripComments?: boolean): { + config?: any; + error?: Diagnostic; + }; + function generateTSConfig(options: CompilerOptions, fileNames: string[]): { + compilerOptions: Map; + }; + function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string, resolutionStack?: Path[]): ParsedCommandLine; + function convertCompileOnSaveOptionFromJson(jsonOption: any, basePath: string, errors: Diagnostic[]): boolean; + function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { + options: CompilerOptions; + errors: Diagnostic[]; + }; + function convertTypingOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { + options: TypingOptions; + errors: Diagnostic[]; + }; +} +declare namespace ts.JsTyping { + interface TypingResolutionHost { + directoryExists: (path: string) => boolean; + fileExists: (fileName: string) => boolean; + readFile: (path: string, encoding?: string) => string; + readDirectory: (rootDir: string, extensions: string[], excludes: string[], includes: string[], depth?: number) => string[]; + } + const nodeCoreModuleList: ReadonlyArray; + function discoverTypings(host: TypingResolutionHost, fileNames: string[], projectRootPath: Path, safeListPath: Path, packageNameToTypingLocation: Map, typingOptions: TypingOptions, unresolvedImports: ReadonlyArray): { + cachedTypingPaths: string[]; + newTypingNames: string[]; + filesToWatch: string[]; + }; +} +declare namespace ts.server { + enum LogLevel { + terse = 0, + normal = 1, + requestTime = 2, + verbose = 3, } - interface HighlightSpan extends TextSpan { - kind: string; + const emptyArray: ReadonlyArray; + interface Logger { + close(): void; + hasLevel(level: LogLevel): boolean; + loggingEnabled(): boolean; + perftrc(s: string): void; + info(s: string): void; + startGroup(): void; + endGroup(): void; + msg(s: string, type?: Msg.Types): void; + getLogFileName(): string; } - interface DocumentHighlightsItem { - file: string; - highlightSpans: HighlightSpan[]; + namespace Msg { + type Err = "Err"; + const Err: Err; + type Info = "Info"; + const Info: Info; + type Perf = "Perf"; + const Perf: Perf; + type Types = Err | Info | Perf; } - interface DocumentHighlightsResponse extends Response { - body?: DocumentHighlightsItem[]; + function createInstallTypingsRequest(project: Project, typingOptions: TypingOptions, unresolvedImports: SortedReadonlyArray, cachePath?: string): DiscoverTypings; + namespace Errors { + function ThrowNoProject(): never; + function ThrowProjectLanguageServiceDisabled(): never; + function ThrowProjectDoesNotContainDocument(fileName: string, project: Project): never; } - interface ReferencesRequest extends FileLocationRequest { - command: CommandTypes.References; + function getDefaultFormatCodeSettings(host: ServerHost): FormatCodeSettings; + function mergeMaps(target: MapLike, source: MapLike): void; + function removeItemFromSet(items: T[], itemToRemove: T): void; + type NormalizedPath = string & { + __normalizedPathTag: any; + }; + function toNormalizedPath(fileName: string): NormalizedPath; + function normalizedPathToPath(normalizedPath: NormalizedPath, currentDirectory: string, getCanonicalFileName: (f: string) => string): Path; + function asNormalizedPath(fileName: string): NormalizedPath; + interface NormalizedPathMap { + get(path: NormalizedPath): T; + set(path: NormalizedPath, value: T): void; + contains(path: NormalizedPath): boolean; + remove(path: NormalizedPath): void; } - interface ReferencesResponseItem extends FileSpan { - lineText: string; - isWriteAccess: boolean; - isDefinition: boolean; + function createNormalizedPathMap(): NormalizedPathMap; + const nullLanguageService: LanguageService; + interface ServerLanguageServiceHost { + setCompilationSettings(options: CompilerOptions): void; + notifyFileRemoved(info: ScriptInfo): void; + startRecordingFilesWithChangedResolutions(): void; + finishRecordingFilesWithChangedResolutions(): Path[]; } - interface ReferencesResponseBody { - refs: ReferencesResponseItem[]; - symbolName: string; - symbolStartOffset: number; - symbolDisplayString: string; + const nullLanguageServiceHost: ServerLanguageServiceHost; + interface ProjectOptions { + configHasFilesProperty?: boolean; + files?: string[]; + wildcardDirectories?: Map; + compilerOptions?: CompilerOptions; + typingOptions?: TypingOptions; + compileOnSave?: boolean; } - interface ReferencesResponse extends Response { - body?: ReferencesResponseBody; + function isInferredProjectName(name: string): boolean; + function makeInferredProjectName(counter: number): string; + function toSortedReadonlyArray(arr: string[]): SortedReadonlyArray; + class ThrottledOperations { + private readonly host; + private pendingTimeouts; + constructor(host: ServerHost); + schedule(operationId: string, delay: number, cb: () => void): void; + private static run(self, operationId, cb); } - interface RenameRequestArgs extends FileLocationRequestArgs { - findInComments?: boolean; - findInStrings?: boolean; + class GcTimer { + private readonly host; + private readonly delay; + private readonly logger; + private timerId; + constructor(host: ServerHost, delay: number, logger: Logger); + scheduleCollect(): void; + private static run(self); } - interface RenameRequest extends FileLocationRequest { - command: CommandTypes.Rename; - arguments: RenameRequestArgs; +} +declare namespace ts { + function trace(host: ModuleResolutionHost, message: DiagnosticMessage, ...args: any[]): void; + function isTraceEnabled(compilerOptions: CompilerOptions, host: ModuleResolutionHost): boolean; + function createResolvedModule(resolvedFileName: string, isExternalLibraryImport: boolean, failedLookupLocations: string[]): ResolvedModuleWithFailedLookupLocations; + interface ModuleResolutionState { + host: ModuleResolutionHost; + compilerOptions: CompilerOptions; + traceEnabled: boolean; + skipTsx: boolean; } - interface RenameInfo { - canRename: boolean; - localizedErrorMessage?: string; - displayName: string; - fullDisplayName: string; - kind: string; - kindModifiers: string; + function getEffectiveTypeRoots(options: CompilerOptions, host: { + directoryExists?: (directoryName: string) => boolean; + getCurrentDirectory?: () => string; + }): string[] | undefined; + function resolveTypeReferenceDirective(typeReferenceDirectiveName: string, containingFile: string, options: CompilerOptions, host: ModuleResolutionHost): ResolvedTypeReferenceDirectiveWithFailedLookupLocations; + function getAutomaticTypeDirectiveNames(options: CompilerOptions, host: ModuleResolutionHost): string[]; + function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function directoryProbablyExists(directoryName: string, host: { + directoryExists?: (directoryName: string) => boolean; + }): boolean; + function loadModuleFromNodeModules(moduleName: string, directory: string, failedLookupLocations: string[], state: ModuleResolutionState, checkOneLevel: boolean): string; + function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; +} +declare namespace ts { + const externalHelpersModuleNameText = "tslib"; + interface ReferencePathMatchResult { + fileReference?: FileReference; + diagnosticMessage?: DiagnosticMessage; + isNoDefaultLib?: boolean; + isTypeReferenceDirective?: boolean; + } + function getDeclarationOfKind(symbol: Symbol, kind: SyntaxKind): Declaration; + interface StringSymbolWriter extends SymbolWriter { + string(): string; + } + interface EmitHost extends ScriptReferenceHost { + getSourceFiles(): SourceFile[]; + isSourceFileFromExternalLibrary(file: SourceFile): boolean; + getCommonSourceDirectory(): string; + getCanonicalFileName(fileName: string): string; + getNewLine(): string; + isEmitBlocked(emitFileName: string): boolean; + writeFile: WriteFileCallback; } - interface SpanGroup { - file: string; - locs: TextSpan[]; + function getSingleLineStringWriter(): StringSymbolWriter; + function releaseStringWriter(writer: StringSymbolWriter): void; + function getFullWidth(node: Node): number; + function hasResolvedModule(sourceFile: SourceFile, moduleNameText: string): boolean; + function getResolvedModule(sourceFile: SourceFile, moduleNameText: string): ResolvedModule; + function setResolvedModule(sourceFile: SourceFile, moduleNameText: string, resolvedModule: ResolvedModule): void; + function setResolvedTypeReferenceDirective(sourceFile: SourceFile, typeReferenceDirectiveName: string, resolvedTypeReferenceDirective: ResolvedTypeReferenceDirective): void; + function moduleResolutionIsEqualTo(oldResolution: ResolvedModule, newResolution: ResolvedModule): boolean; + function typeDirectiveIsEqualTo(oldResolution: ResolvedTypeReferenceDirective, newResolution: ResolvedTypeReferenceDirective): boolean; + function hasChangesInResolutions(names: string[], newResolutions: T[], oldResolutions: Map, comparer: (oldResolution: T, newResolution: T) => boolean): boolean; + function containsParseError(node: Node): boolean; + function getSourceFileOfNode(node: Node): SourceFile; + function isStatementWithLocals(node: Node): boolean; + function getStartPositionOfLine(line: number, sourceFile: SourceFile): number; + function nodePosToString(node: Node): string; + function getStartPosOfNode(node: Node): number; + function isDefined(value: any): boolean; + function getEndLinePosition(line: number, sourceFile: SourceFile): number; + function nodeIsMissing(node: Node): boolean; + function nodeIsPresent(node: Node): boolean; + function getTokenPosOfNode(node: Node, sourceFile?: SourceFile, includeJsDocComment?: boolean): number; + function isJSDocNode(node: Node): boolean; + function isJSDocTag(node: Node): boolean; + function getNonDecoratorTokenPosOfNode(node: Node, sourceFile?: SourceFile): number; + function getSourceTextOfNodeFromSourceFile(sourceFile: SourceFile, node: Node, includeTrivia?: boolean): string; + function getTextOfNodeFromSourceText(sourceText: string, node: Node): string; + function getTextOfNode(node: Node, includeTrivia?: boolean): string; + function getLiteralText(node: LiteralLikeNode, sourceFile: SourceFile, languageVersion: ScriptTarget): string; + function isBinaryOrOctalIntegerLiteral(node: LiteralLikeNode, text: string): boolean; + function escapeIdentifier(identifier: string): string; + function unescapeIdentifier(identifier: string): string; + function makeIdentifierFromModuleName(moduleName: string): string; + function isBlockOrCatchScoped(declaration: Declaration): boolean; + function isCatchClauseVariableDeclarationOrBindingElement(declaration: Declaration): boolean; + function isAmbientModule(node: Node): boolean; + function isShorthandAmbientModuleSymbol(moduleSymbol: Symbol): boolean; + function isBlockScopedContainerTopLevel(node: Node): boolean; + function isGlobalScopeAugmentation(module: ModuleDeclaration): boolean; + function isExternalModuleAugmentation(node: Node): boolean; + function isBlockScope(node: Node, parentNode: Node): boolean; + function getEnclosingBlockScopeContainer(node: Node): Node; + function declarationNameToString(name: DeclarationName): string; + function createDiagnosticForNode(node: Node, message: DiagnosticMessage, arg0?: string | number, arg1?: string | number, arg2?: string | number): Diagnostic; + function createDiagnosticForNodeFromMessageChain(node: Node, messageChain: DiagnosticMessageChain): Diagnostic; + function getSpanOfTokenAtPosition(sourceFile: SourceFile, pos: number): TextSpan; + function getErrorSpanForNode(sourceFile: SourceFile, node: Node): TextSpan; + function isExternalOrCommonJsModule(file: SourceFile): boolean; + function isDeclarationFile(file: SourceFile): boolean; + function isConstEnumDeclaration(node: Node): boolean; + function isConst(node: Node): boolean; + function isLet(node: Node): boolean; + function isSuperCall(n: Node): n is SuperCall; + function isPrologueDirective(node: Node): boolean; + function getLeadingCommentRangesOfNode(node: Node, sourceFileOfNode: SourceFile): CommentRange[]; + function getLeadingCommentRangesOfNodeFromText(node: Node, text: string): CommentRange[]; + function getJsDocComments(node: Node, sourceFileOfNode: SourceFile): CommentRange[]; + function getJsDocCommentsFromText(node: Node, text: string): CommentRange[]; + let fullTripleSlashReferencePathRegEx: RegExp; + let fullTripleSlashReferenceTypeReferenceDirectiveRegEx: RegExp; + let fullTripleSlashAMDReferencePathRegEx: RegExp; + function isPartOfTypeNode(node: Node): boolean; + function forEachReturnStatement(body: Block, visitor: (stmt: ReturnStatement) => T): T; + function forEachYieldExpression(body: Block, visitor: (expr: YieldExpression) => void): void; + function isVariableLike(node: Node): node is VariableLikeDeclaration; + function isAccessor(node: Node): node is AccessorDeclaration; + function isClassLike(node: Node): node is ClassLikeDeclaration; + function isFunctionLike(node: Node): node is FunctionLikeDeclaration; + function isFunctionLikeKind(kind: SyntaxKind): boolean; + function introducesArgumentsExoticObject(node: Node): boolean; + function isIterationStatement(node: Node, lookInLabeledStatements: boolean): node is IterationStatement; + function isFunctionBlock(node: Node): boolean; + function isObjectLiteralMethod(node: Node): node is MethodDeclaration; + function isObjectLiteralOrClassExpressionMethod(node: Node): node is MethodDeclaration; + function isIdentifierTypePredicate(predicate: TypePredicate): predicate is IdentifierTypePredicate; + function isThisTypePredicate(predicate: TypePredicate): predicate is ThisTypePredicate; + function getContainingFunction(node: Node): FunctionLikeDeclaration; + function getContainingClass(node: Node): ClassLikeDeclaration; + function getThisContainer(node: Node, includeArrowFunctions: boolean): Node; + function getSuperContainer(node: Node, stopOnFunctions: boolean): Node; + function getImmediatelyInvokedFunctionExpression(func: Node): CallExpression; + function isSuperProperty(node: Node): node is SuperProperty; + function getEntityNameFromTypeNode(node: TypeNode): EntityNameOrEntityNameExpression; + function isCallLikeExpression(node: Node): node is CallLikeExpression; + function getInvokedExpression(node: CallLikeExpression): Expression; + function nodeCanBeDecorated(node: Node): boolean; + function nodeIsDecorated(node: Node): boolean; + function nodeOrChildIsDecorated(node: Node): boolean; + function childIsDecorated(node: Node): boolean; + function isJSXTagName(node: Node): boolean; + function isPartOfExpression(node: Node): boolean; + function isInstantiatedModule(node: ModuleDeclaration, preserveConstEnums: boolean): boolean; + function isExternalModuleImportEqualsDeclaration(node: Node): boolean; + function getExternalModuleImportEqualsDeclarationExpression(node: Node): Expression; + function isInternalModuleImportEqualsDeclaration(node: Node): node is ImportEqualsDeclaration; + function isSourceFileJavaScript(file: SourceFile): boolean; + function isInJavaScriptFile(node: Node): boolean; + function isRequireCall(expression: Node, checkArgumentIsStringLiteral: boolean): expression is CallExpression; + function isSingleOrDoubleQuote(charCode: number): boolean; + function isDeclarationOfFunctionExpression(s: Symbol): boolean; + function getSpecialPropertyAssignmentKind(expression: Node): SpecialPropertyAssignmentKind; + function getExternalModuleName(node: Node): Expression; + function getNamespaceDeclarationNode(node: ImportDeclaration | ImportEqualsDeclaration | ExportDeclaration): ImportEqualsDeclaration | NamespaceImport; + function isDefaultImport(node: ImportDeclaration | ImportEqualsDeclaration | ExportDeclaration): boolean; + function hasQuestionToken(node: Node): boolean; + function isJSDocConstructSignature(node: Node): boolean; + function getJSDocComments(node: Node, checkParentVariableStatement: boolean): string[]; + function getJSDocTypeTag(node: Node): JSDocTypeTag; + function getJSDocReturnTag(node: Node): JSDocReturnTag; + function getJSDocTemplateTag(node: Node): JSDocTemplateTag; + function getCorrespondingJSDocParameterTag(parameter: ParameterDeclaration): JSDocParameterTag; + function hasRestParameter(s: SignatureDeclaration): boolean; + function hasDeclaredRestParameter(s: SignatureDeclaration): boolean; + function isRestParameter(node: ParameterDeclaration): boolean; + function isDeclaredRestParam(node: ParameterDeclaration): boolean; + function isAssignmentTarget(node: Node): boolean; + function isNodeDescendantOf(node: Node, ancestor: Node): boolean; + function isInAmbientContext(node: Node): boolean; + function isDeclarationName(name: Node): boolean; + function isLiteralComputedPropertyDeclarationName(node: Node): boolean; + function isIdentifierName(node: Identifier): boolean; + function isAliasSymbolDeclaration(node: Node): boolean; + function exportAssignmentIsAlias(node: ExportAssignment): boolean; + function getClassExtendsHeritageClauseElement(node: ClassLikeDeclaration | InterfaceDeclaration): ExpressionWithTypeArguments; + function getClassImplementsHeritageClauseElements(node: ClassLikeDeclaration): NodeArray; + function getInterfaceBaseTypeNodes(node: InterfaceDeclaration): NodeArray; + function getHeritageClause(clauses: NodeArray, kind: SyntaxKind): HeritageClause; + function tryResolveScriptReference(host: ScriptReferenceHost, sourceFile: SourceFile, reference: FileReference): SourceFile; + function getAncestor(node: Node, kind: SyntaxKind): Node; + function getFileReferenceFromReferencePath(comment: string, commentRange: CommentRange): ReferencePathMatchResult; + function isKeyword(token: SyntaxKind): boolean; + function isTrivia(token: SyntaxKind): boolean; + function isAsyncFunctionLike(node: Node): boolean; + function isStringOrNumericLiteral(kind: SyntaxKind): boolean; + function hasDynamicName(declaration: Declaration): boolean; + function isDynamicName(name: DeclarationName): boolean; + function isWellKnownSymbolSyntactically(node: Expression): boolean; + function getPropertyNameForPropertyNameNode(name: DeclarationName): string; + function getPropertyNameForKnownSymbolName(symbolName: string): string; + function isESSymbolIdentifier(node: Node): boolean; + function isPushOrUnshiftIdentifier(node: Identifier): boolean; + function isModifierKind(token: SyntaxKind): boolean; + function isParameterDeclaration(node: VariableLikeDeclaration): boolean; + function getRootDeclaration(node: Node): Node; + function nodeStartsNewLexicalEnvironment(node: Node): boolean; + function nodeIsSynthesized(node: TextRange): boolean; + function getOriginalNode(node: Node): Node; + function isParseTreeNode(node: Node): boolean; + function getParseTreeNode(node: Node): Node; + function getParseTreeNode(node: Node, nodeTest?: (node: Node) => node is T): T; + function getOriginalSourceFiles(sourceFiles: SourceFile[]): SourceFile[]; + function getOriginalNodeId(node: Node): number; + const enum Associativity { + Left = 0, + Right = 1, + } + function getExpressionAssociativity(expression: Expression): Associativity; + function getOperatorAssociativity(kind: SyntaxKind, operator: SyntaxKind, hasArguments?: boolean): Associativity; + function getExpressionPrecedence(expression: Expression): 0 | 1 | -1 | 2 | 4 | 3 | 16 | 10 | 5 | 6 | 11 | 8 | 19 | 18 | 17 | 15 | 14 | 13 | 12 | 9 | 7; + function getOperator(expression: Expression): SyntaxKind.Unknown | SyntaxKind.EndOfFileToken | SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia | SyntaxKind.NewLineTrivia | SyntaxKind.WhitespaceTrivia | SyntaxKind.ShebangTrivia | SyntaxKind.ConflictMarkerTrivia | SyntaxKind.NumericLiteral | SyntaxKind.StringLiteral | SyntaxKind.JsxText | SyntaxKind.RegularExpressionLiteral | SyntaxKind.NoSubstitutionTemplateLiteral | SyntaxKind.TemplateHead | SyntaxKind.TemplateMiddle | SyntaxKind.TemplateTail | SyntaxKind.OpenBraceToken | SyntaxKind.CloseBraceToken | SyntaxKind.OpenParenToken | SyntaxKind.CloseParenToken | SyntaxKind.OpenBracketToken | SyntaxKind.CloseBracketToken | SyntaxKind.DotToken | SyntaxKind.DotDotDotToken | SyntaxKind.SemicolonToken | SyntaxKind.CommaToken | SyntaxKind.LessThanToken | SyntaxKind.LessThanSlashToken | SyntaxKind.GreaterThanToken | SyntaxKind.LessThanEqualsToken | SyntaxKind.GreaterThanEqualsToken | SyntaxKind.EqualsEqualsToken | SyntaxKind.ExclamationEqualsToken | SyntaxKind.EqualsEqualsEqualsToken | SyntaxKind.ExclamationEqualsEqualsToken | SyntaxKind.EqualsGreaterThanToken | SyntaxKind.PlusToken | SyntaxKind.MinusToken | SyntaxKind.AsteriskToken | SyntaxKind.AsteriskAsteriskToken | SyntaxKind.SlashToken | SyntaxKind.PercentToken | SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken | SyntaxKind.LessThanLessThanToken | SyntaxKind.GreaterThanGreaterThanToken | SyntaxKind.GreaterThanGreaterThanGreaterThanToken | SyntaxKind.AmpersandToken | SyntaxKind.BarToken | SyntaxKind.CaretToken | SyntaxKind.ExclamationToken | SyntaxKind.TildeToken | SyntaxKind.AmpersandAmpersandToken | SyntaxKind.BarBarToken | SyntaxKind.QuestionToken | SyntaxKind.ColonToken | SyntaxKind.AtToken | SyntaxKind.EqualsToken | SyntaxKind.PlusEqualsToken | SyntaxKind.MinusEqualsToken | SyntaxKind.AsteriskEqualsToken | SyntaxKind.AsteriskAsteriskEqualsToken | SyntaxKind.SlashEqualsToken | SyntaxKind.PercentEqualsToken | SyntaxKind.LessThanLessThanEqualsToken | SyntaxKind.GreaterThanGreaterThanEqualsToken | SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken | SyntaxKind.AmpersandEqualsToken | SyntaxKind.BarEqualsToken | SyntaxKind.CaretEqualsToken | SyntaxKind.Identifier | SyntaxKind.BreakKeyword | SyntaxKind.CaseKeyword | SyntaxKind.CatchKeyword | SyntaxKind.ClassKeyword | SyntaxKind.ConstKeyword | SyntaxKind.ContinueKeyword | SyntaxKind.DebuggerKeyword | SyntaxKind.DefaultKeyword | SyntaxKind.DeleteKeyword | SyntaxKind.DoKeyword | SyntaxKind.ElseKeyword | SyntaxKind.EnumKeyword | SyntaxKind.ExportKeyword | SyntaxKind.ExtendsKeyword | SyntaxKind.FalseKeyword | SyntaxKind.FinallyKeyword | SyntaxKind.ForKeyword | SyntaxKind.FunctionKeyword | SyntaxKind.IfKeyword | SyntaxKind.ImportKeyword | SyntaxKind.InKeyword | SyntaxKind.InstanceOfKeyword | SyntaxKind.NewKeyword | SyntaxKind.NullKeyword | SyntaxKind.ReturnKeyword | SyntaxKind.SuperKeyword | SyntaxKind.SwitchKeyword | SyntaxKind.ThisKeyword | SyntaxKind.ThrowKeyword | SyntaxKind.TrueKeyword | SyntaxKind.TryKeyword | SyntaxKind.TypeOfKeyword | SyntaxKind.VarKeyword | SyntaxKind.VoidKeyword | SyntaxKind.WhileKeyword | SyntaxKind.WithKeyword | SyntaxKind.ImplementsKeyword | SyntaxKind.InterfaceKeyword | SyntaxKind.LetKeyword | SyntaxKind.PackageKeyword | SyntaxKind.PrivateKeyword | SyntaxKind.ProtectedKeyword | SyntaxKind.PublicKeyword | SyntaxKind.StaticKeyword | SyntaxKind.YieldKeyword | SyntaxKind.AbstractKeyword | SyntaxKind.AsKeyword | SyntaxKind.AnyKeyword | SyntaxKind.AsyncKeyword | SyntaxKind.AwaitKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.ConstructorKeyword | SyntaxKind.DeclareKeyword | SyntaxKind.GetKeyword | SyntaxKind.IsKeyword | SyntaxKind.ModuleKeyword | SyntaxKind.NamespaceKeyword | SyntaxKind.NeverKeyword | SyntaxKind.ReadonlyKeyword | SyntaxKind.RequireKeyword | SyntaxKind.NumberKeyword | SyntaxKind.SetKeyword | SyntaxKind.StringKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.TypeKeyword | SyntaxKind.UndefinedKeyword | SyntaxKind.FromKeyword | SyntaxKind.GlobalKeyword | SyntaxKind.OfKeyword | SyntaxKind.QualifiedName | SyntaxKind.ComputedPropertyName | SyntaxKind.TypeParameter | SyntaxKind.Parameter | SyntaxKind.Decorator | SyntaxKind.PropertySignature | SyntaxKind.PropertyDeclaration | SyntaxKind.MethodSignature | SyntaxKind.MethodDeclaration | SyntaxKind.Constructor | SyntaxKind.GetAccessor | SyntaxKind.SetAccessor | SyntaxKind.CallSignature | SyntaxKind.ConstructSignature | SyntaxKind.IndexSignature | SyntaxKind.TypePredicate | SyntaxKind.TypeReference | SyntaxKind.FunctionType | SyntaxKind.ConstructorType | SyntaxKind.TypeQuery | SyntaxKind.TypeLiteral | SyntaxKind.ArrayType | SyntaxKind.TupleType | SyntaxKind.UnionType | SyntaxKind.IntersectionType | SyntaxKind.ParenthesizedType | SyntaxKind.ThisType | SyntaxKind.LiteralType | SyntaxKind.ObjectBindingPattern | SyntaxKind.ArrayBindingPattern | SyntaxKind.BindingElement | SyntaxKind.ArrayLiteralExpression | SyntaxKind.ObjectLiteralExpression | SyntaxKind.PropertyAccessExpression | SyntaxKind.ElementAccessExpression | SyntaxKind.CallExpression | SyntaxKind.NewExpression | SyntaxKind.TaggedTemplateExpression | SyntaxKind.TypeAssertionExpression | SyntaxKind.ParenthesizedExpression | SyntaxKind.FunctionExpression | SyntaxKind.ArrowFunction | SyntaxKind.DeleteExpression | SyntaxKind.TypeOfExpression | SyntaxKind.VoidExpression | SyntaxKind.AwaitExpression | SyntaxKind.ConditionalExpression | SyntaxKind.TemplateExpression | SyntaxKind.YieldExpression | SyntaxKind.SpreadElementExpression | SyntaxKind.ClassExpression | SyntaxKind.OmittedExpression | SyntaxKind.ExpressionWithTypeArguments | SyntaxKind.AsExpression | SyntaxKind.NonNullExpression | SyntaxKind.TemplateSpan | SyntaxKind.SemicolonClassElement | SyntaxKind.Block | SyntaxKind.VariableStatement | SyntaxKind.EmptyStatement | SyntaxKind.ExpressionStatement | SyntaxKind.IfStatement | SyntaxKind.DoStatement | SyntaxKind.WhileStatement | SyntaxKind.ForStatement | SyntaxKind.ForInStatement | SyntaxKind.ForOfStatement | SyntaxKind.ContinueStatement | SyntaxKind.BreakStatement | SyntaxKind.ReturnStatement | SyntaxKind.WithStatement | SyntaxKind.SwitchStatement | SyntaxKind.LabeledStatement | SyntaxKind.ThrowStatement | SyntaxKind.TryStatement | SyntaxKind.DebuggerStatement | SyntaxKind.VariableDeclaration | SyntaxKind.VariableDeclarationList | SyntaxKind.FunctionDeclaration | SyntaxKind.ClassDeclaration | SyntaxKind.InterfaceDeclaration | SyntaxKind.TypeAliasDeclaration | SyntaxKind.EnumDeclaration | SyntaxKind.ModuleDeclaration | SyntaxKind.ModuleBlock | SyntaxKind.CaseBlock | SyntaxKind.NamespaceExportDeclaration | SyntaxKind.ImportEqualsDeclaration | SyntaxKind.ImportDeclaration | SyntaxKind.ImportClause | SyntaxKind.NamespaceImport | SyntaxKind.NamedImports | SyntaxKind.ImportSpecifier | SyntaxKind.ExportAssignment | SyntaxKind.ExportDeclaration | SyntaxKind.NamedExports | SyntaxKind.ExportSpecifier | SyntaxKind.MissingDeclaration | SyntaxKind.ExternalModuleReference | SyntaxKind.JsxElement | SyntaxKind.JsxSelfClosingElement | SyntaxKind.JsxOpeningElement | SyntaxKind.JsxClosingElement | SyntaxKind.JsxAttribute | SyntaxKind.JsxSpreadAttribute | SyntaxKind.JsxExpression | SyntaxKind.CaseClause | SyntaxKind.DefaultClause | SyntaxKind.HeritageClause | SyntaxKind.CatchClause | SyntaxKind.PropertyAssignment | SyntaxKind.ShorthandPropertyAssignment | SyntaxKind.EnumMember | SyntaxKind.SourceFile | SyntaxKind.JSDocTypeExpression | SyntaxKind.JSDocAllType | SyntaxKind.JSDocUnknownType | SyntaxKind.JSDocArrayType | SyntaxKind.JSDocUnionType | SyntaxKind.JSDocTupleType | SyntaxKind.JSDocNullableType | SyntaxKind.JSDocNonNullableType | SyntaxKind.JSDocRecordType | SyntaxKind.JSDocRecordMember | SyntaxKind.JSDocTypeReference | SyntaxKind.JSDocOptionalType | SyntaxKind.JSDocFunctionType | SyntaxKind.JSDocVariadicType | SyntaxKind.JSDocConstructorType | SyntaxKind.JSDocThisType | SyntaxKind.JSDocComment | SyntaxKind.JSDocTag | SyntaxKind.JSDocParameterTag | SyntaxKind.JSDocReturnTag | SyntaxKind.JSDocTypeTag | SyntaxKind.JSDocTemplateTag | SyntaxKind.JSDocTypedefTag | SyntaxKind.JSDocPropertyTag | SyntaxKind.JSDocTypeLiteral | SyntaxKind.JSDocLiteralType | SyntaxKind.JSDocNullKeyword | SyntaxKind.JSDocUndefinedKeyword | SyntaxKind.JSDocNeverKeyword | SyntaxKind.SyntaxList | SyntaxKind.NotEmittedStatement | SyntaxKind.PartiallyEmittedExpression | SyntaxKind.Count; + function getOperatorPrecedence(nodeKind: SyntaxKind, operatorKind: SyntaxKind, hasArguments?: boolean): 0 | 1 | -1 | 2 | 4 | 3 | 16 | 10 | 5 | 6 | 11 | 8 | 19 | 18 | 17 | 15 | 14 | 13 | 12 | 9 | 7; + function createDiagnosticCollection(): DiagnosticCollection; + function escapeString(s: string): string; + function isIntrinsicJsxName(name: string): boolean; + function escapeNonAsciiCharacters(s: string): string; + interface EmitTextWriter { + write(s: string): void; + writeTextOfNode(text: string, node: Node): void; + writeLine(): void; + increaseIndent(): void; + decreaseIndent(): void; + getText(): string; + rawWrite(s: string): void; + writeLiteral(s: string): void; + getTextPos(): number; + getLine(): number; + getColumn(): number; + getIndent(): number; + isAtStartOfLine(): boolean; + reset(): void; + } + function getIndentString(level: number): string; + function getIndentSize(): number; + function createTextWriter(newLine: String): EmitTextWriter; + function getResolvedExternalModuleName(host: EmitHost, file: SourceFile): string; + function getExternalModuleNameFromDeclaration(host: EmitHost, resolver: EmitResolver, declaration: ImportEqualsDeclaration | ImportDeclaration | ExportDeclaration | ModuleDeclaration): string; + function getExternalModuleNameFromPath(host: EmitHost, fileName: string): string; + function getOwnEmitOutputFilePath(sourceFile: SourceFile, host: EmitHost, extension: string): string; + function getDeclarationEmitOutputFilePath(sourceFile: SourceFile, host: EmitHost): string; + interface EmitFileNames { + jsFilePath: string; + sourceMapFilePath: string; + declarationFilePath: string; + } + function getSourceFilesToEmit(host: EmitHost, targetSourceFile?: SourceFile): SourceFile[]; + function forEachTransformedEmitFile(host: EmitHost, sourceFiles: SourceFile[], action: (jsFilePath: string, sourceMapFilePath: string, declarationFilePath: string, sourceFiles: SourceFile[], isBundledEmit: boolean) => void, emitOnlyDtsFiles?: boolean): void; + function forEachExpectedEmitFile(host: EmitHost, action: (emitFileNames: EmitFileNames, sourceFiles: SourceFile[], isBundledEmit: boolean, emitOnlyDtsFiles: boolean) => void, targetSourceFile?: SourceFile, emitOnlyDtsFiles?: boolean): void; + function getSourceFilePathInNewDir(sourceFile: SourceFile, host: EmitHost, newDirPath: string): string; + function writeFile(host: EmitHost, diagnostics: DiagnosticCollection, fileName: string, data: string, writeByteOrderMark: boolean, sourceFiles?: SourceFile[]): void; + function getLineOfLocalPosition(currentSourceFile: SourceFile, pos: number): number; + function getLineOfLocalPositionFromLineMap(lineMap: number[], pos: number): number; + function getFirstConstructorWithBody(node: ClassLikeDeclaration): ConstructorDeclaration; + function getSetAccessorTypeAnnotationNode(accessor: SetAccessorDeclaration): TypeNode; + function getThisParameter(signature: SignatureDeclaration): ParameterDeclaration | undefined; + function parameterIsThisKeyword(parameter: ParameterDeclaration): boolean; + function isThisIdentifier(node: Node | undefined): boolean; + function identifierIsThisKeyword(id: Identifier): boolean; + interface AllAccessorDeclarations { + firstAccessor: AccessorDeclaration; + secondAccessor: AccessorDeclaration; + getAccessor: AccessorDeclaration; + setAccessor: AccessorDeclaration; + } + function getAllAccessorDeclarations(declarations: NodeArray, accessor: AccessorDeclaration): AllAccessorDeclarations; + function emitNewLineBeforeLeadingComments(lineMap: number[], writer: EmitTextWriter, node: TextRange, leadingComments: CommentRange[]): void; + function emitNewLineBeforeLeadingCommentsOfPosition(lineMap: number[], writer: EmitTextWriter, pos: number, leadingComments: CommentRange[]): void; + function emitNewLineBeforeLeadingCommentOfPosition(lineMap: number[], writer: EmitTextWriter, pos: number, commentPos: number): void; + function emitComments(text: string, lineMap: number[], writer: EmitTextWriter, comments: CommentRange[], leadingSeparator: boolean, trailingSeparator: boolean, newLine: string, writeComment: (text: string, lineMap: number[], writer: EmitTextWriter, commentPos: number, commentEnd: number, newLine: string) => void): void; + function emitDetachedComments(text: string, lineMap: number[], writer: EmitTextWriter, writeComment: (text: string, lineMap: number[], writer: EmitTextWriter, commentPos: number, commentEnd: number, newLine: string) => void, node: TextRange, newLine: string, removeComments: boolean): { + nodePos: number; + detachedCommentEndPos: number; + }; + function writeCommentRange(text: string, lineMap: number[], writer: EmitTextWriter, commentPos: number, commentEnd: number, newLine: string): void; + function hasModifiers(node: Node): boolean; + function hasModifier(node: Node, flags: ModifierFlags): boolean; + function getModifierFlags(node: Node): ModifierFlags; + function modifierToFlag(token: SyntaxKind): ModifierFlags; + function isLogicalOperator(token: SyntaxKind): boolean; + function isAssignmentOperator(token: SyntaxKind): boolean; + function tryGetClassExtendingExpressionWithTypeArguments(node: Node): ClassLikeDeclaration | undefined; + function isDestructuringAssignment(node: Node): node is BinaryExpression; + function isSupportedExpressionWithTypeArguments(node: ExpressionWithTypeArguments): boolean; + function isExpressionWithTypeArgumentsInClassExtendsClause(node: Node): boolean; + function isEntityNameExpression(node: Expression): node is EntityNameExpression; + function isRightSideOfQualifiedNameOrPropertyAccess(node: Node): boolean; + function isEmptyObjectLiteralOrArrayLiteral(expression: Node): boolean; + function getLocalSymbolForExportDefault(symbol: Symbol): Symbol; + function tryExtractTypeScriptExtension(fileName: string): string | undefined; + const stringify: (value: any) => string; + function convertToBase64(input: string): string; + function getNewLineCharacter(options: CompilerOptions): string; + function isSimpleExpression(node: Expression): boolean; + function formatSyntaxKind(kind: SyntaxKind): string; + function movePos(pos: number, value: number): number; + function createRange(pos: number, end: number): TextRange; + function moveRangeEnd(range: TextRange, end: number): TextRange; + function moveRangePos(range: TextRange, pos: number): TextRange; + function moveRangePastDecorators(node: Node): TextRange; + function moveRangePastModifiers(node: Node): TextRange; + function isCollapsedRange(range: TextRange): boolean; + function collapseRangeToStart(range: TextRange): TextRange; + function collapseRangeToEnd(range: TextRange): TextRange; + function createTokenRange(pos: number, token: SyntaxKind): TextRange; + function rangeIsOnSingleLine(range: TextRange, sourceFile: SourceFile): boolean; + function rangeStartPositionsAreOnSameLine(range1: TextRange, range2: TextRange, sourceFile: SourceFile): boolean; + function rangeEndPositionsAreOnSameLine(range1: TextRange, range2: TextRange, sourceFile: SourceFile): boolean; + function rangeStartIsOnSameLineAsRangeEnd(range1: TextRange, range2: TextRange, sourceFile: SourceFile): boolean; + function rangeEndIsOnSameLineAsRangeStart(range1: TextRange, range2: TextRange, sourceFile: SourceFile): boolean; + function positionsAreOnSameLine(pos1: number, pos2: number, sourceFile: SourceFile): boolean; + function getStartPositionOfRange(range: TextRange, sourceFile: SourceFile): number; + function collectExternalModuleInfo(sourceFile: SourceFile): { + externalImports: (ImportEqualsDeclaration | ImportDeclaration | ExportDeclaration)[]; + exportSpecifiers: Map; + exportEquals: ExportAssignment; + hasExportStarsToExportValues: boolean; + }; + function getInitializedVariables(node: VariableDeclarationList): VariableDeclaration[]; + function isMergedWithClass(node: Node): boolean; + function isFirstDeclarationOfKind(node: Node, kind: SyntaxKind): boolean; + function isNodeArray(array: T[]): array is NodeArray; + function isNoSubstitutionTemplateLiteral(node: Node): node is LiteralExpression; + function isLiteralKind(kind: SyntaxKind): boolean; + function isTextualLiteralKind(kind: SyntaxKind): boolean; + function isLiteralExpression(node: Node): node is LiteralExpression; + function isTemplateLiteralKind(kind: SyntaxKind): boolean; + function isTemplateHead(node: Node): node is TemplateHead; + function isTemplateMiddleOrTemplateTail(node: Node): node is TemplateMiddle | TemplateTail; + function isIdentifier(node: Node): node is Identifier; + function isGeneratedIdentifier(node: Node): boolean; + function isModifier(node: Node): node is Modifier; + function isQualifiedName(node: Node): node is QualifiedName; + function isComputedPropertyName(node: Node): node is ComputedPropertyName; + function isEntityName(node: Node): node is EntityName; + function isPropertyName(node: Node): node is PropertyName; + function isModuleName(node: Node): node is ModuleName; + function isBindingName(node: Node): node is BindingName; + function isTypeParameter(node: Node): node is TypeParameterDeclaration; + function isParameter(node: Node): node is ParameterDeclaration; + function isDecorator(node: Node): node is Decorator; + function isMethodDeclaration(node: Node): node is MethodDeclaration; + function isClassElement(node: Node): node is ClassElement; + function isObjectLiteralElementLike(node: Node): node is ObjectLiteralElementLike; + function isTypeNode(node: Node): node is TypeNode; + function isBindingPattern(node: Node): node is BindingPattern; + function isBindingElement(node: Node): node is BindingElement; + function isArrayBindingElement(node: Node): node is ArrayBindingElement; + function isPropertyAccessExpression(node: Node): node is PropertyAccessExpression; + function isElementAccessExpression(node: Node): node is ElementAccessExpression; + function isBinaryExpression(node: Node): node is BinaryExpression; + function isConditionalExpression(node: Node): node is ConditionalExpression; + function isCallExpression(node: Node): node is CallExpression; + function isTemplateLiteral(node: Node): node is TemplateLiteral; + function isSpreadElementExpression(node: Node): node is SpreadElementExpression; + function isExpressionWithTypeArguments(node: Node): node is ExpressionWithTypeArguments; + function isLeftHandSideExpression(node: Node): node is LeftHandSideExpression; + function isUnaryExpression(node: Node): node is UnaryExpression; + function isExpression(node: Node): node is Expression; + function isAssertionExpression(node: Node): node is AssertionExpression; + function isPartiallyEmittedExpression(node: Node): node is PartiallyEmittedExpression; + function isNotEmittedStatement(node: Node): node is NotEmittedStatement; + function isNotEmittedOrPartiallyEmittedNode(node: Node): node is NotEmittedStatement | PartiallyEmittedExpression; + function isOmittedExpression(node: Node): node is OmittedExpression; + function isTemplateSpan(node: Node): node is TemplateSpan; + function isBlock(node: Node): node is Block; + function isConciseBody(node: Node): node is ConciseBody; + function isFunctionBody(node: Node): node is FunctionBody; + function isForInitializer(node: Node): node is ForInitializer; + function isVariableDeclaration(node: Node): node is VariableDeclaration; + function isVariableDeclarationList(node: Node): node is VariableDeclarationList; + function isCaseBlock(node: Node): node is CaseBlock; + function isModuleBody(node: Node): node is ModuleBody; + function isImportEqualsDeclaration(node: Node): node is ImportEqualsDeclaration; + function isImportClause(node: Node): node is ImportClause; + function isNamedImportBindings(node: Node): node is NamedImportBindings; + function isImportSpecifier(node: Node): node is ImportSpecifier; + function isNamedExports(node: Node): node is NamedExports; + function isExportSpecifier(node: Node): node is ExportSpecifier; + function isModuleOrEnumDeclaration(node: Node): node is ModuleDeclaration | EnumDeclaration; + function isDeclaration(node: Node): node is Declaration; + function isDeclarationStatement(node: Node): node is DeclarationStatement; + function isStatementButNotDeclaration(node: Node): node is Statement; + function isStatement(node: Node): node is Statement; + function isModuleReference(node: Node): node is ModuleReference; + function isJsxOpeningElement(node: Node): node is JsxOpeningElement; + function isJsxClosingElement(node: Node): node is JsxClosingElement; + function isJsxTagNameExpression(node: Node): node is JsxTagNameExpression; + function isJsxChild(node: Node): node is JsxChild; + function isJsxAttributeLike(node: Node): node is JsxAttributeLike; + function isJsxSpreadAttribute(node: Node): node is JsxSpreadAttribute; + function isJsxAttribute(node: Node): node is JsxAttribute; + function isStringLiteralOrJsxExpression(node: Node): node is StringLiteral | JsxExpression; + function isCaseOrDefaultClause(node: Node): node is CaseOrDefaultClause; + function isHeritageClause(node: Node): node is HeritageClause; + function isCatchClause(node: Node): node is CatchClause; + function isPropertyAssignment(node: Node): node is PropertyAssignment; + function isShorthandPropertyAssignment(node: Node): node is ShorthandPropertyAssignment; + function isEnumMember(node: Node): node is EnumMember; + function isSourceFile(node: Node): node is SourceFile; + function isWatchSet(options: CompilerOptions): boolean; +} +declare namespace ts { + function getDefaultLibFileName(options: CompilerOptions): string; + function textSpanEnd(span: TextSpan): number; + function textSpanIsEmpty(span: TextSpan): boolean; + function textSpanContainsPosition(span: TextSpan, position: number): boolean; + function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean; + function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean; + function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan; + function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean; + function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean; + function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean; + function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean; + function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan; + function createTextSpan(start: number, length: number): TextSpan; + function createTextSpanFromBounds(start: number, end: number): TextSpan; + function textChangeRangeNewSpan(range: TextChangeRange): TextSpan; + function textChangeRangeIsUnchanged(range: TextChangeRange): boolean; + function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange; + let unchangedTextChangeRange: TextChangeRange; + function collapseTextChangeRangesAcrossMultipleVersions(changes: TextChangeRange[]): TextChangeRange; + function getTypeParameterOwner(d: Declaration): Declaration; + function isParameterPropertyDeclaration(node: ParameterDeclaration): boolean; + function getCombinedModifierFlags(node: Node): ModifierFlags; + function getCombinedNodeFlags(node: Node): NodeFlags; +} +declare namespace ts { + function updateNode(updated: T, original: T): T; + function createNodeArray(elements?: T[], location?: TextRange, hasTrailingComma?: boolean): NodeArray; + function createSynthesizedNode(kind: SyntaxKind, startsOnNewLine?: boolean): Node; + function createSynthesizedNodeArray(elements?: T[]): NodeArray; + function getSynthesizedClone(node: T): T; + function getMutableClone(node: T): T; + function createLiteral(textSource: StringLiteral | Identifier, location?: TextRange): StringLiteral; + function createLiteral(value: string, location?: TextRange): StringLiteral; + function createLiteral(value: number, location?: TextRange): NumericLiteral; + function createLiteral(value: boolean, location?: TextRange): BooleanLiteral; + function createLiteral(value: string | number | boolean, location?: TextRange): PrimaryExpression; + function createIdentifier(text: string, location?: TextRange): Identifier; + function createTempVariable(recordTempVariable: ((node: Identifier) => void) | undefined, location?: TextRange): Identifier; + function createLoopVariable(location?: TextRange): Identifier; + function createUniqueName(text: string, location?: TextRange): Identifier; + function getGeneratedNameForNode(node: Node, location?: TextRange): Identifier; + function createToken(token: TKind): Token; + function createSuper(): PrimaryExpression; + function createThis(location?: TextRange): PrimaryExpression; + function createNull(): PrimaryExpression; + function createComputedPropertyName(expression: Expression, location?: TextRange): ComputedPropertyName; + function updateComputedPropertyName(node: ComputedPropertyName, expression: Expression): ComputedPropertyName; + function createParameter(name: string | Identifier | BindingPattern, initializer?: Expression, location?: TextRange): ParameterDeclaration; + function createParameterDeclaration(decorators: Decorator[], modifiers: Modifier[], dotDotDotToken: DotDotDotToken, name: string | Identifier | BindingPattern, questionToken: QuestionToken, type: TypeNode, initializer: Expression, location?: TextRange, flags?: NodeFlags): ParameterDeclaration; + function updateParameterDeclaration(node: ParameterDeclaration, decorators: Decorator[], modifiers: Modifier[], name: BindingName, type: TypeNode, initializer: Expression): ParameterDeclaration; + function createProperty(decorators: Decorator[], modifiers: Modifier[], name: string | PropertyName, questionToken: QuestionToken, type: TypeNode, initializer: Expression, location?: TextRange): PropertyDeclaration; + function updateProperty(node: PropertyDeclaration, decorators: Decorator[], modifiers: Modifier[], name: PropertyName, type: TypeNode, initializer: Expression): PropertyDeclaration; + function createMethod(decorators: Decorator[], modifiers: Modifier[], asteriskToken: AsteriskToken, name: string | PropertyName, typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, body: Block, location?: TextRange, flags?: NodeFlags): MethodDeclaration; + function updateMethod(node: MethodDeclaration, decorators: Decorator[], modifiers: Modifier[], name: PropertyName, typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, body: Block): MethodDeclaration; + function createConstructor(decorators: Decorator[], modifiers: Modifier[], parameters: ParameterDeclaration[], body: Block, location?: TextRange, flags?: NodeFlags): ConstructorDeclaration; + function updateConstructor(node: ConstructorDeclaration, decorators: Decorator[], modifiers: Modifier[], parameters: ParameterDeclaration[], body: Block): ConstructorDeclaration; + function createGetAccessor(decorators: Decorator[], modifiers: Modifier[], name: string | PropertyName, parameters: ParameterDeclaration[], type: TypeNode, body: Block, location?: TextRange, flags?: NodeFlags): GetAccessorDeclaration; + function updateGetAccessor(node: GetAccessorDeclaration, decorators: Decorator[], modifiers: Modifier[], name: PropertyName, parameters: ParameterDeclaration[], type: TypeNode, body: Block): GetAccessorDeclaration; + function createSetAccessor(decorators: Decorator[], modifiers: Modifier[], name: string | PropertyName, parameters: ParameterDeclaration[], body: Block, location?: TextRange, flags?: NodeFlags): SetAccessorDeclaration; + function updateSetAccessor(node: SetAccessorDeclaration, decorators: Decorator[], modifiers: Modifier[], name: PropertyName, parameters: ParameterDeclaration[], body: Block): SetAccessorDeclaration; + function createObjectBindingPattern(elements: BindingElement[], location?: TextRange): ObjectBindingPattern; + function updateObjectBindingPattern(node: ObjectBindingPattern, elements: BindingElement[]): ObjectBindingPattern; + function createArrayBindingPattern(elements: ArrayBindingElement[], location?: TextRange): ArrayBindingPattern; + function updateArrayBindingPattern(node: ArrayBindingPattern, elements: ArrayBindingElement[]): ArrayBindingPattern; + function createBindingElement(propertyName: string | PropertyName, dotDotDotToken: DotDotDotToken, name: string | BindingName, initializer?: Expression, location?: TextRange): BindingElement; + function updateBindingElement(node: BindingElement, propertyName: PropertyName, name: BindingName, initializer: Expression): BindingElement; + function createArrayLiteral(elements?: Expression[], location?: TextRange, multiLine?: boolean): ArrayLiteralExpression; + function updateArrayLiteral(node: ArrayLiteralExpression, elements: Expression[]): ArrayLiteralExpression; + function createObjectLiteral(properties?: ObjectLiteralElementLike[], location?: TextRange, multiLine?: boolean): ObjectLiteralExpression; + function updateObjectLiteral(node: ObjectLiteralExpression, properties: ObjectLiteralElementLike[]): ObjectLiteralExpression; + function createPropertyAccess(expression: Expression, name: string | Identifier, location?: TextRange, flags?: NodeFlags): PropertyAccessExpression; + function updatePropertyAccess(node: PropertyAccessExpression, expression: Expression, name: Identifier): PropertyAccessExpression; + function createElementAccess(expression: Expression, index: number | Expression, location?: TextRange): ElementAccessExpression; + function updateElementAccess(node: ElementAccessExpression, expression: Expression, argumentExpression: Expression): ElementAccessExpression; + function createCall(expression: Expression, typeArguments: TypeNode[], argumentsArray: Expression[], location?: TextRange, flags?: NodeFlags): CallExpression; + function updateCall(node: CallExpression, expression: Expression, typeArguments: TypeNode[], argumentsArray: Expression[]): CallExpression; + function createNew(expression: Expression, typeArguments: TypeNode[], argumentsArray: Expression[], location?: TextRange, flags?: NodeFlags): NewExpression; + function updateNew(node: NewExpression, expression: Expression, typeArguments: TypeNode[], argumentsArray: Expression[]): NewExpression; + function createTaggedTemplate(tag: Expression, template: TemplateLiteral, location?: TextRange): TaggedTemplateExpression; + function updateTaggedTemplate(node: TaggedTemplateExpression, tag: Expression, template: TemplateLiteral): TaggedTemplateExpression; + function createParen(expression: Expression, location?: TextRange): ParenthesizedExpression; + function updateParen(node: ParenthesizedExpression, expression: Expression): ParenthesizedExpression; + function createFunctionExpression(modifiers: Modifier[], asteriskToken: AsteriskToken, name: string | Identifier, typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, body: Block, location?: TextRange, flags?: NodeFlags): FunctionExpression; + function updateFunctionExpression(node: FunctionExpression, modifiers: Modifier[], name: Identifier, typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, body: Block): FunctionExpression; + function createArrowFunction(modifiers: Modifier[], typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, equalsGreaterThanToken: EqualsGreaterThanToken, body: ConciseBody, location?: TextRange, flags?: NodeFlags): ArrowFunction; + function updateArrowFunction(node: ArrowFunction, modifiers: Modifier[], typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, body: ConciseBody): ArrowFunction; + function createDelete(expression: Expression, location?: TextRange): DeleteExpression; + function updateDelete(node: DeleteExpression, expression: Expression): Expression; + function createTypeOf(expression: Expression, location?: TextRange): TypeOfExpression; + function updateTypeOf(node: TypeOfExpression, expression: Expression): Expression; + function createVoid(expression: Expression, location?: TextRange): VoidExpression; + function updateVoid(node: VoidExpression, expression: Expression): VoidExpression; + function createAwait(expression: Expression, location?: TextRange): AwaitExpression; + function updateAwait(node: AwaitExpression, expression: Expression): AwaitExpression; + function createPrefix(operator: PrefixUnaryOperator, operand: Expression, location?: TextRange): PrefixUnaryExpression; + function updatePrefix(node: PrefixUnaryExpression, operand: Expression): PrefixUnaryExpression; + function createPostfix(operand: Expression, operator: PostfixUnaryOperator, location?: TextRange): PostfixUnaryExpression; + function updatePostfix(node: PostfixUnaryExpression, operand: Expression): PostfixUnaryExpression; + function createBinary(left: Expression, operator: BinaryOperator | BinaryOperatorToken, right: Expression, location?: TextRange): BinaryExpression; + function updateBinary(node: BinaryExpression, left: Expression, right: Expression): BinaryExpression; + function createConditional(condition: Expression, questionToken: QuestionToken, whenTrue: Expression, colonToken: ColonToken, whenFalse: Expression, location?: TextRange): ConditionalExpression; + function updateConditional(node: ConditionalExpression, condition: Expression, whenTrue: Expression, whenFalse: Expression): ConditionalExpression; + function createTemplateExpression(head: TemplateHead, templateSpans: TemplateSpan[], location?: TextRange): TemplateExpression; + function updateTemplateExpression(node: TemplateExpression, head: TemplateHead, templateSpans: TemplateSpan[]): TemplateExpression; + function createYield(asteriskToken: AsteriskToken, expression: Expression, location?: TextRange): YieldExpression; + function updateYield(node: YieldExpression, expression: Expression): YieldExpression; + function createSpread(expression: Expression, location?: TextRange): SpreadElementExpression; + function updateSpread(node: SpreadElementExpression, expression: Expression): SpreadElementExpression; + function createClassExpression(modifiers: Modifier[], name: Identifier, typeParameters: TypeParameterDeclaration[], heritageClauses: HeritageClause[], members: ClassElement[], location?: TextRange): ClassExpression; + function updateClassExpression(node: ClassExpression, modifiers: Modifier[], name: Identifier, typeParameters: TypeParameterDeclaration[], heritageClauses: HeritageClause[], members: ClassElement[]): ClassExpression; + function createOmittedExpression(location?: TextRange): OmittedExpression; + function createExpressionWithTypeArguments(typeArguments: TypeNode[], expression: Expression, location?: TextRange): ExpressionWithTypeArguments; + function updateExpressionWithTypeArguments(node: ExpressionWithTypeArguments, typeArguments: TypeNode[], expression: Expression): ExpressionWithTypeArguments; + function createTemplateSpan(expression: Expression, literal: TemplateMiddle | TemplateTail, location?: TextRange): TemplateSpan; + function updateTemplateSpan(node: TemplateSpan, expression: Expression, literal: TemplateMiddle | TemplateTail): TemplateSpan; + function createBlock(statements: Statement[], location?: TextRange, multiLine?: boolean, flags?: NodeFlags): Block; + function updateBlock(node: Block, statements: Statement[]): Block; + function createVariableStatement(modifiers: Modifier[], declarationList: VariableDeclarationList | VariableDeclaration[], location?: TextRange, flags?: NodeFlags): VariableStatement; + function updateVariableStatement(node: VariableStatement, modifiers: Modifier[], declarationList: VariableDeclarationList): VariableStatement; + function createVariableDeclarationList(declarations: VariableDeclaration[], location?: TextRange, flags?: NodeFlags): VariableDeclarationList; + function updateVariableDeclarationList(node: VariableDeclarationList, declarations: VariableDeclaration[]): VariableDeclarationList; + function createVariableDeclaration(name: string | BindingPattern | Identifier, type?: TypeNode, initializer?: Expression, location?: TextRange, flags?: NodeFlags): VariableDeclaration; + function updateVariableDeclaration(node: VariableDeclaration, name: BindingName, type: TypeNode, initializer: Expression): VariableDeclaration; + function createEmptyStatement(location: TextRange): EmptyStatement; + function createStatement(expression: Expression, location?: TextRange, flags?: NodeFlags): ExpressionStatement; + function updateStatement(node: ExpressionStatement, expression: Expression): ExpressionStatement; + function createIf(expression: Expression, thenStatement: Statement, elseStatement?: Statement, location?: TextRange): IfStatement; + function updateIf(node: IfStatement, expression: Expression, thenStatement: Statement, elseStatement: Statement): IfStatement; + function createDo(statement: Statement, expression: Expression, location?: TextRange): DoStatement; + function updateDo(node: DoStatement, statement: Statement, expression: Expression): DoStatement; + function createWhile(expression: Expression, statement: Statement, location?: TextRange): WhileStatement; + function updateWhile(node: WhileStatement, expression: Expression, statement: Statement): WhileStatement; + function createFor(initializer: ForInitializer, condition: Expression, incrementor: Expression, statement: Statement, location?: TextRange): ForStatement; + function updateFor(node: ForStatement, initializer: ForInitializer, condition: Expression, incrementor: Expression, statement: Statement): ForStatement; + function createForIn(initializer: ForInitializer, expression: Expression, statement: Statement, location?: TextRange): ForInStatement; + function updateForIn(node: ForInStatement, initializer: ForInitializer, expression: Expression, statement: Statement): ForInStatement; + function createForOf(initializer: ForInitializer, expression: Expression, statement: Statement, location?: TextRange): ForOfStatement; + function updateForOf(node: ForOfStatement, initializer: ForInitializer, expression: Expression, statement: Statement): ForOfStatement; + function createContinue(label?: Identifier, location?: TextRange): ContinueStatement; + function updateContinue(node: ContinueStatement, label: Identifier): ContinueStatement; + function createBreak(label?: Identifier, location?: TextRange): BreakStatement; + function updateBreak(node: BreakStatement, label: Identifier): BreakStatement; + function createReturn(expression?: Expression, location?: TextRange): ReturnStatement; + function updateReturn(node: ReturnStatement, expression: Expression): ReturnStatement; + function createWith(expression: Expression, statement: Statement, location?: TextRange): WithStatement; + function updateWith(node: WithStatement, expression: Expression, statement: Statement): WithStatement; + function createSwitch(expression: Expression, caseBlock: CaseBlock, location?: TextRange): SwitchStatement; + function updateSwitch(node: SwitchStatement, expression: Expression, caseBlock: CaseBlock): SwitchStatement; + function createLabel(label: string | Identifier, statement: Statement, location?: TextRange): LabeledStatement; + function updateLabel(node: LabeledStatement, label: Identifier, statement: Statement): LabeledStatement; + function createThrow(expression: Expression, location?: TextRange): ThrowStatement; + function updateThrow(node: ThrowStatement, expression: Expression): ThrowStatement; + function createTry(tryBlock: Block, catchClause: CatchClause, finallyBlock: Block, location?: TextRange): TryStatement; + function updateTry(node: TryStatement, tryBlock: Block, catchClause: CatchClause, finallyBlock: Block): TryStatement; + function createCaseBlock(clauses: CaseOrDefaultClause[], location?: TextRange): CaseBlock; + function updateCaseBlock(node: CaseBlock, clauses: CaseOrDefaultClause[]): CaseBlock; + function createFunctionDeclaration(decorators: Decorator[], modifiers: Modifier[], asteriskToken: AsteriskToken, name: string | Identifier, typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, body: Block, location?: TextRange, flags?: NodeFlags): FunctionDeclaration; + function updateFunctionDeclaration(node: FunctionDeclaration, decorators: Decorator[], modifiers: Modifier[], name: Identifier, typeParameters: TypeParameterDeclaration[], parameters: ParameterDeclaration[], type: TypeNode, body: Block): FunctionDeclaration; + function createClassDeclaration(decorators: Decorator[], modifiers: Modifier[], name: Identifier, typeParameters: TypeParameterDeclaration[], heritageClauses: HeritageClause[], members: ClassElement[], location?: TextRange): ClassDeclaration; + function updateClassDeclaration(node: ClassDeclaration, decorators: Decorator[], modifiers: Modifier[], name: Identifier, typeParameters: TypeParameterDeclaration[], heritageClauses: HeritageClause[], members: ClassElement[]): ClassDeclaration; + function createImportDeclaration(decorators: Decorator[], modifiers: Modifier[], importClause: ImportClause, moduleSpecifier?: Expression, location?: TextRange): ImportDeclaration; + function updateImportDeclaration(node: ImportDeclaration, decorators: Decorator[], modifiers: Modifier[], importClause: ImportClause, moduleSpecifier: Expression): ImportDeclaration; + function createImportClause(name: Identifier, namedBindings: NamedImportBindings, location?: TextRange): ImportClause; + function updateImportClause(node: ImportClause, name: Identifier, namedBindings: NamedImportBindings): ImportClause; + function createNamespaceImport(name: Identifier, location?: TextRange): NamespaceImport; + function updateNamespaceImport(node: NamespaceImport, name: Identifier): NamespaceImport; + function createNamedImports(elements: ImportSpecifier[], location?: TextRange): NamedImports; + function updateNamedImports(node: NamedImports, elements: ImportSpecifier[]): NamedImports; + function createImportSpecifier(propertyName: Identifier, name: Identifier, location?: TextRange): ImportSpecifier; + function updateImportSpecifier(node: ImportSpecifier, propertyName: Identifier, name: Identifier): ImportSpecifier; + function createExportAssignment(decorators: Decorator[], modifiers: Modifier[], isExportEquals: boolean, expression: Expression, location?: TextRange): ExportAssignment; + function updateExportAssignment(node: ExportAssignment, decorators: Decorator[], modifiers: Modifier[], expression: Expression): ExportAssignment; + function createExportDeclaration(decorators: Decorator[], modifiers: Modifier[], exportClause: NamedExports, moduleSpecifier?: Expression, location?: TextRange): ExportDeclaration; + function updateExportDeclaration(node: ExportDeclaration, decorators: Decorator[], modifiers: Modifier[], exportClause: NamedExports, moduleSpecifier: Expression): ExportDeclaration; + function createNamedExports(elements: ExportSpecifier[], location?: TextRange): NamedExports; + function updateNamedExports(node: NamedExports, elements: ExportSpecifier[]): NamedExports; + function createExportSpecifier(name: string | Identifier, propertyName?: string | Identifier, location?: TextRange): ExportSpecifier; + function updateExportSpecifier(node: ExportSpecifier, name: Identifier, propertyName: Identifier): ExportSpecifier; + function createJsxElement(openingElement: JsxOpeningElement, children: JsxChild[], closingElement: JsxClosingElement, location?: TextRange): JsxElement; + function updateJsxElement(node: JsxElement, openingElement: JsxOpeningElement, children: JsxChild[], closingElement: JsxClosingElement): JsxElement; + function createJsxSelfClosingElement(tagName: JsxTagNameExpression, attributes: JsxAttributeLike[], location?: TextRange): JsxSelfClosingElement; + function updateJsxSelfClosingElement(node: JsxSelfClosingElement, tagName: JsxTagNameExpression, attributes: JsxAttributeLike[]): JsxSelfClosingElement; + function createJsxOpeningElement(tagName: JsxTagNameExpression, attributes: JsxAttributeLike[], location?: TextRange): JsxOpeningElement; + function updateJsxOpeningElement(node: JsxOpeningElement, tagName: JsxTagNameExpression, attributes: JsxAttributeLike[]): JsxOpeningElement; + function createJsxClosingElement(tagName: JsxTagNameExpression, location?: TextRange): JsxClosingElement; + function updateJsxClosingElement(node: JsxClosingElement, tagName: JsxTagNameExpression): JsxClosingElement; + function createJsxAttribute(name: Identifier, initializer: StringLiteral | JsxExpression, location?: TextRange): JsxAttribute; + function updateJsxAttribute(node: JsxAttribute, name: Identifier, initializer: StringLiteral | JsxExpression): JsxAttribute; + function createJsxSpreadAttribute(expression: Expression, location?: TextRange): JsxSpreadAttribute; + function updateJsxSpreadAttribute(node: JsxSpreadAttribute, expression: Expression): JsxSpreadAttribute; + function createJsxExpression(expression: Expression, location?: TextRange): JsxExpression; + function updateJsxExpression(node: JsxExpression, expression: Expression): JsxExpression; + function createHeritageClause(token: SyntaxKind, types: ExpressionWithTypeArguments[], location?: TextRange): HeritageClause; + function updateHeritageClause(node: HeritageClause, types: ExpressionWithTypeArguments[]): HeritageClause; + function createCaseClause(expression: Expression, statements: Statement[], location?: TextRange): CaseClause; + function updateCaseClause(node: CaseClause, expression: Expression, statements: Statement[]): CaseClause; + function createDefaultClause(statements: Statement[], location?: TextRange): DefaultClause; + function updateDefaultClause(node: DefaultClause, statements: Statement[]): DefaultClause; + function createCatchClause(variableDeclaration: string | VariableDeclaration, block: Block, location?: TextRange): CatchClause; + function updateCatchClause(node: CatchClause, variableDeclaration: VariableDeclaration, block: Block): CatchClause; + function createPropertyAssignment(name: string | PropertyName, initializer: Expression, location?: TextRange): PropertyAssignment; + function updatePropertyAssignment(node: PropertyAssignment, name: PropertyName, initializer: Expression): PropertyAssignment; + function createShorthandPropertyAssignment(name: string | Identifier, objectAssignmentInitializer: Expression, location?: TextRange): ShorthandPropertyAssignment; + function updateShorthandPropertyAssignment(node: ShorthandPropertyAssignment, name: Identifier, objectAssignmentInitializer: Expression): ShorthandPropertyAssignment; + function updateSourceFileNode(node: SourceFile, statements: Statement[]): SourceFile; + function createNotEmittedStatement(original: Node): NotEmittedStatement; + function createPartiallyEmittedExpression(expression: Expression, original?: Node, location?: TextRange): PartiallyEmittedExpression; + function updatePartiallyEmittedExpression(node: PartiallyEmittedExpression, expression: Expression): PartiallyEmittedExpression; + function createComma(left: Expression, right: Expression): Expression; + function createLessThan(left: Expression, right: Expression, location?: TextRange): Expression; + function createAssignment(left: Expression, right: Expression, location?: TextRange): BinaryExpression; + function createStrictEquality(left: Expression, right: Expression): BinaryExpression; + function createStrictInequality(left: Expression, right: Expression): BinaryExpression; + function createAdd(left: Expression, right: Expression): BinaryExpression; + function createSubtract(left: Expression, right: Expression): BinaryExpression; + function createPostfixIncrement(operand: Expression, location?: TextRange): PostfixUnaryExpression; + function createLogicalAnd(left: Expression, right: Expression): BinaryExpression; + function createLogicalOr(left: Expression, right: Expression): BinaryExpression; + function createLogicalNot(operand: Expression): PrefixUnaryExpression; + function createVoidZero(): VoidExpression; + function createMemberAccessForPropertyName(target: Expression, memberName: PropertyName, location?: TextRange): MemberExpression; + function createRestParameter(name: string | Identifier): ParameterDeclaration; + function createFunctionCall(func: Expression, thisArg: Expression, argumentsList: Expression[], location?: TextRange): CallExpression; + function createFunctionApply(func: Expression, thisArg: Expression, argumentsExpression: Expression, location?: TextRange): CallExpression; + function createArraySlice(array: Expression, start?: number | Expression): CallExpression; + function createArrayConcat(array: Expression, values: Expression[]): CallExpression; + function createMathPow(left: Expression, right: Expression, location?: TextRange): CallExpression; + function createReactCreateElement(reactNamespace: string, tagName: Expression, props: Expression, children: Expression[], parentElement: JsxOpeningLikeElement, location: TextRange): LeftHandSideExpression; + function createLetDeclarationList(declarations: VariableDeclaration[], location?: TextRange): VariableDeclarationList; + function createConstDeclarationList(declarations: VariableDeclaration[], location?: TextRange): VariableDeclarationList; + function createHelperName(externalHelpersModuleName: Identifier | undefined, name: string): Identifier | PropertyAccessExpression; + function createExtendsHelper(externalHelpersModuleName: Identifier | undefined, name: Identifier): CallExpression; + function createAssignHelper(externalHelpersModuleName: Identifier | undefined, attributesSegments: Expression[]): CallExpression; + function createParamHelper(externalHelpersModuleName: Identifier | undefined, expression: Expression, parameterOffset: number, location?: TextRange): CallExpression; + function createMetadataHelper(externalHelpersModuleName: Identifier | undefined, metadataKey: string, metadataValue: Expression): CallExpression; + function createDecorateHelper(externalHelpersModuleName: Identifier | undefined, decoratorExpressions: Expression[], target: Expression, memberName?: Expression, descriptor?: Expression, location?: TextRange): CallExpression; + function createAwaiterHelper(externalHelpersModuleName: Identifier | undefined, hasLexicalArguments: boolean, promiseConstructor: EntityName | Expression, body: Block): CallExpression; + function createHasOwnProperty(target: LeftHandSideExpression, propertyName: Expression): CallExpression; + function createAdvancedAsyncSuperHelper(): VariableStatement; + function createSimpleAsyncSuperHelper(): VariableStatement; + interface CallBinding { + target: LeftHandSideExpression; + thisArg: Expression; + } + function createCallBinding(expression: Expression, recordTempVariable: (temp: Identifier) => void, languageVersion?: ScriptTarget, cacheIdentifiers?: boolean): CallBinding; + function inlineExpressions(expressions: Expression[]): Expression; + function createExpressionFromEntityName(node: EntityName | Expression): Expression; + function createExpressionForPropertyName(memberName: PropertyName): Expression; + function createExpressionForObjectLiteralElementLike(node: ObjectLiteralExpression, property: ObjectLiteralElementLike, receiver: Expression): Expression; + function addPrologueDirectives(target: Statement[], source: Statement[], ensureUseStrict?: boolean, visitor?: (node: Node) => VisitResult): number; + function ensureUseStrict(node: SourceFile): SourceFile; + function parenthesizeBinaryOperand(binaryOperator: SyntaxKind, operand: Expression, isLeftSideOfBinary: boolean, leftOperand?: Expression): Expression; + function parenthesizeForNew(expression: Expression): LeftHandSideExpression; + function parenthesizeForAccess(expression: Expression): LeftHandSideExpression; + function parenthesizePostfixOperand(operand: Expression): LeftHandSideExpression; + function parenthesizePrefixOperand(operand: Expression): UnaryExpression; + function parenthesizeExpressionForList(expression: Expression): Expression; + function parenthesizeExpressionForExpressionStatement(expression: Expression): Expression; + function parenthesizeConciseBody(body: ConciseBody): ConciseBody; + const enum OuterExpressionKinds { + Parentheses = 1, + Assertions = 2, + PartiallyEmittedExpressions = 4, + All = 7, + } + function skipOuterExpressions(node: Expression, kinds?: OuterExpressionKinds): Expression; + function skipOuterExpressions(node: Node, kinds?: OuterExpressionKinds): Node; + function skipParentheses(node: Expression): Expression; + function skipParentheses(node: Node): Node; + function skipAssertions(node: Expression): Expression; + function skipAssertions(node: Node): Node; + function skipPartiallyEmittedExpressions(node: Expression): Expression; + function skipPartiallyEmittedExpressions(node: Node): Node; + function startOnNewLine(node: T): T; + function setOriginalNode(node: T, original: Node): T; + function disposeEmitNodes(sourceFile: SourceFile): void; + function getEmitFlags(node: Node): EmitFlags; + function setEmitFlags(node: T, emitFlags: EmitFlags): T; + function setSourceMapRange(node: T, range: TextRange): T; + function setTokenSourceMapRange(node: T, token: SyntaxKind, range: TextRange): T; + function setCommentRange(node: T, range: TextRange): T; + function getCommentRange(node: Node): TextRange; + function getSourceMapRange(node: Node): TextRange; + function getTokenSourceMapRange(node: Node, token: SyntaxKind): TextRange; + function getConstantValue(node: PropertyAccessExpression | ElementAccessExpression): number; + function setConstantValue(node: PropertyAccessExpression | ElementAccessExpression, value: number): PropertyAccessExpression | ElementAccessExpression; + function setTextRange(node: T, location: TextRange): T; + function setNodeFlags(node: T, flags: NodeFlags): T; + function setMultiLine(node: T, multiLine: boolean): T; + function setHasTrailingComma(nodes: NodeArray, hasTrailingComma: boolean): NodeArray; + function getLocalNameForExternalImport(node: ImportDeclaration | ExportDeclaration | ImportEqualsDeclaration, sourceFile: SourceFile): Identifier; + function getExternalModuleNameLiteral(importNode: ImportDeclaration | ExportDeclaration | ImportEqualsDeclaration, sourceFile: SourceFile, host: EmitHost, resolver: EmitResolver, compilerOptions: CompilerOptions): StringLiteral; + function tryGetModuleNameFromFile(file: SourceFile, host: EmitHost, options: CompilerOptions): StringLiteral; +} +declare namespace ts { + function createNode(kind: SyntaxKind, pos?: number, end?: number): Node; + function forEachChild(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T; + function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean, scriptKind?: ScriptKind): SourceFile; + function isExternalModule(file: SourceFile): boolean; + function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; + function parseIsolatedJSDocComment(content: string, start?: number, length?: number): { + jsDoc: JSDoc; + diagnostics: Diagnostic[]; + }; + function parseJSDocTypeExpressionForTests(content: string, start?: number, length?: number): { + jsDocTypeExpression: JSDocTypeExpression; + diagnostics: Diagnostic[]; + }; +} +declare namespace ts { + const enum ModuleInstanceState { + NonInstantiated = 0, + Instantiated = 1, + ConstEnumOnly = 2, + } + function getModuleInstanceState(node: Node): ModuleInstanceState; + function bindSourceFile(file: SourceFile, options: CompilerOptions): void; + function computeTransformFlagsForNode(node: Node, subtreeFlags: TransformFlags): TransformFlags; +} +declare namespace ts { + function getNodeId(node: Node): number; + function getSymbolId(symbol: Symbol): number; + function createTypeChecker(host: TypeCheckerHost, produceDiagnostics: boolean): TypeChecker; +} +declare namespace ts { + type VisitResult = T | T[]; + function reduceEachChild(node: Node, f: (memo: T, node: Node) => T, initial: T): T; + function visitNode(node: T, visitor: (node: Node) => VisitResult, test: (node: Node) => boolean, optional?: boolean, lift?: (node: NodeArray) => T): T; + function visitNode(node: T, visitor: (node: Node) => VisitResult, test: (node: Node) => boolean, optional: boolean, lift: (node: NodeArray) => T, parenthesize: (node: Node, parentNode: Node) => Node, parentNode: Node): T; + function visitNodes(nodes: NodeArray, visitor: (node: Node) => VisitResult, test: (node: Node) => boolean, start?: number, count?: number): NodeArray; + function visitNodes(nodes: NodeArray, visitor: (node: Node) => VisitResult, test: (node: Node) => boolean, start: number, count: number, parenthesize: (node: Node, parentNode: Node) => Node, parentNode: Node): NodeArray; + function visitEachChild(node: T, visitor: (node: Node) => VisitResult, context: LexicalEnvironment): T; + function mergeFunctionBodyLexicalEnvironment(body: FunctionBody, declarations: Statement[]): FunctionBody; + function mergeFunctionBodyLexicalEnvironment(body: ConciseBody, declarations: Statement[]): ConciseBody; + function liftToBlock(nodes: Node[]): Statement; + function aggregateTransformFlags(node: T): T; + namespace Debug { + const failNotOptional: typeof noop; + const failBadSyntaxKind: (node: Node, message?: string) => void; + const assertNode: (node: Node, test: (node: Node) => boolean, message?: string) => void; } - interface RenameResponseBody { - info: RenameInfo; - locs: SpanGroup[]; +} +declare namespace ts { + function flattenDestructuringAssignment(context: TransformationContext, node: BinaryExpression, needsValue: boolean, recordTempVariable: (node: Identifier) => void, visitor?: (node: Node) => VisitResult): Expression; + function flattenParameterDestructuring(node: ParameterDeclaration, value: Expression, visitor?: (node: Node) => VisitResult): VariableDeclaration[]; + function flattenVariableDestructuring(node: VariableDeclaration, value?: Expression, visitor?: (node: Node) => VisitResult, recordTempVariable?: (node: Identifier) => void): VariableDeclaration[]; + function flattenVariableDestructuringToExpression(node: VariableDeclaration, recordTempVariable: (name: Identifier) => void, nameSubstitution?: (name: Identifier) => Expression, visitor?: (node: Node) => VisitResult): Expression; +} +declare namespace ts { + function transformTypeScript(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformJsx(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformES2017(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformES2016(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformES2015(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformGenerators(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformES5(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformModule(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformSystemModule(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + function transformES2015Module(context: TransformationContext): (node: SourceFile) => SourceFile; +} +declare namespace ts { + interface TransformationResult { + transformed: SourceFile[]; + emitNodeWithSubstitution(emitContext: EmitContext, node: Node, emitCallback: (emitContext: EmitContext, node: Node) => void): void; + emitNodeWithNotification(emitContext: EmitContext, node: Node, emitCallback: (emitContext: EmitContext, node: Node) => void): void; } - interface RenameResponse extends Response { - body?: RenameResponseBody; + interface TransformationContext extends LexicalEnvironment { + getCompilerOptions(): CompilerOptions; + getEmitResolver(): EmitResolver; + getEmitHost(): EmitHost; + hoistFunctionDeclaration(node: FunctionDeclaration): void; + hoistVariableDeclaration(node: Identifier): void; + enableSubstitution(kind: SyntaxKind): void; + isSubstitutionEnabled(node: Node): boolean; + onSubstituteNode?: (emitContext: EmitContext, node: Node) => Node; + enableEmitNotification(kind: SyntaxKind): void; + isEmitNotificationEnabled(node: Node): boolean; + onEmitNode?: (emitContext: EmitContext, node: Node, emitCallback: (emitContext: EmitContext, node: Node) => void) => void; + } + type Transformer = (context: TransformationContext) => (node: SourceFile) => SourceFile; + function getTransformers(compilerOptions: CompilerOptions): Transformer[]; + function transformFiles(resolver: EmitResolver, host: EmitHost, sourceFiles: SourceFile[], transformers: Transformer[]): TransformationResult; +} +declare namespace ts { + function getDeclarationDiagnostics(host: EmitHost, resolver: EmitResolver, targetSourceFile: SourceFile): Diagnostic[]; + function writeDeclarationFile(declarationFilePath: string, sourceFiles: SourceFile[], isBundledEmit: boolean, host: EmitHost, resolver: EmitResolver, emitterDiagnostics: DiagnosticCollection, emitOnlyDtsFiles: boolean): boolean; +} +declare namespace ts { + interface SourceMapWriter { + initialize(filePath: string, sourceMapFilePath: string, sourceFiles: SourceFile[], isBundledEmit: boolean): void; + reset(): void; + setSourceFile(sourceFile: SourceFile): void; + emitPos(pos: number): void; + emitNodeWithSourceMap(emitContext: EmitContext, node: Node, emitCallback: (emitContext: EmitContext, node: Node) => void): void; + emitTokenWithSourceMap(node: Node, token: SyntaxKind, tokenStartPos: number, emitCallback: (token: SyntaxKind, tokenStartPos: number) => number): number; + getText(): string; + getSourceMappingURL(): string; + getSourceMapData(): SourceMapData; } - interface ExternalFile { - fileName: string; - scriptKind?: ScriptKindName | ts.ScriptKind; - hasMixedContent?: boolean; - content?: string; + function createSourceMapWriter(host: EmitHost, writer: EmitTextWriter): SourceMapWriter; +} +declare namespace ts { + interface CommentWriter { + reset(): void; + setSourceFile(sourceFile: SourceFile): void; + emitNodeWithComments(emitContext: EmitContext, node: Node, emitCallback: (emitContext: EmitContext, node: Node) => void): void; + emitBodyWithDetachedComments(node: Node, detachedRange: TextRange, emitCallback: (node: Node) => void): void; + emitTrailingCommentsOfPosition(pos: number): void; + } + function createCommentWriter(host: EmitHost, writer: EmitTextWriter, sourceMap: SourceMapWriter): CommentWriter; +} +declare namespace ts { + function emitFiles(resolver: EmitResolver, host: EmitHost, targetSourceFile: SourceFile, emitOnlyDtsFiles?: boolean): EmitResult; +} +declare namespace ts { + const version = "2.1.0"; + function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; + function resolveTripleslashReference(moduleName: string, containingFile: string): string; + function computeCommonSourceDirectoryOfFilenames(fileNames: string[], currentDirectory: string, getCanonicalFileName: (fileName: string) => string): string; + function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; + function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + interface FormatDiagnosticsHost { + getCurrentDirectory(): string; + getCanonicalFileName(fileName: string): string; + getNewLine(): string; } - interface ExternalProject { - projectFileName: string; - rootFiles: ExternalFile[]; - options: ExternalProjectCompilerOptions; - typingOptions?: TypingOptions; + function formatDiagnostics(diagnostics: Diagnostic[], host: FormatDiagnosticsHost): string; + function flattenDiagnosticMessageText(messageText: string | DiagnosticMessageChain, newLine: string): string; + function createProgram(rootNames: string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program): Program; +} +declare namespace ts { + interface Node { + getSourceFile(): SourceFile; + getChildCount(sourceFile?: SourceFile): number; + getChildAt(index: number, sourceFile?: SourceFile): Node; + getChildren(sourceFile?: SourceFile): Node[]; + getStart(sourceFile?: SourceFile, includeJsDocComment?: boolean): number; + getFullStart(): number; + getEnd(): number; + getWidth(sourceFile?: SourceFile): number; + getFullWidth(): number; + getLeadingTriviaWidth(sourceFile?: SourceFile): number; + getFullText(sourceFile?: SourceFile): string; + getText(sourceFile?: SourceFile): string; + getFirstToken(sourceFile?: SourceFile): Node; + getLastToken(sourceFile?: SourceFile): Node; } - interface CompileOnSaveMixin { - compileOnSave?: boolean; + interface Symbol { + getFlags(): SymbolFlags; + getName(): string; + getDeclarations(): Declaration[]; + getDocumentationComment(): SymbolDisplayPart[]; } - type ExternalProjectCompilerOptions = CompilerOptions & CompileOnSaveMixin; - interface ProjectChanges { - added: string[]; - removed: string[]; + interface Type { + getFlags(): TypeFlags; + getSymbol(): Symbol; + getProperties(): Symbol[]; + getProperty(propertyName: string): Symbol; + getApparentProperties(): Symbol[]; + getCallSignatures(): Signature[]; + getConstructSignatures(): Signature[]; + getStringIndexType(): Type; + getNumberIndexType(): Type; + getBaseTypes(): ObjectType[]; + getNonNullableType(): Type; } - interface ConfigureRequestArguments { - hostInfo?: string; - file?: string; - formatOptions?: FormatCodeSettings; + interface Signature { + getDeclaration(): SignatureDeclaration; + getTypeParameters(): Type[]; + getParameters(): Symbol[]; + getReturnType(): Type; + getDocumentationComment(): SymbolDisplayPart[]; } - interface ConfigureRequest extends Request { - command: CommandTypes.Configure; - arguments: ConfigureRequestArguments; + interface SourceFile { + version: string; + scriptSnapshot: IScriptSnapshot; + nameTable: Map; + getNamedDeclarations(): Map; + getLineAndCharacterOfPosition(pos: number): LineAndCharacter; + getLineStarts(): number[]; + getPositionOfLineAndCharacter(line: number, character: number): number; + update(newText: string, textChangeRange: TextChangeRange): SourceFile; } - interface ConfigureResponse extends Response { + interface IScriptSnapshot { + getText(start: number, end: number): string; + getLength(): number; + getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange | undefined; + dispose?(): void; } - interface OpenRequestArgs extends FileRequestArgs { - fileContent?: string; - scriptKindName?: ScriptKindName; + namespace ScriptSnapshot { + function fromString(text: string): IScriptSnapshot; } - type ScriptKindName = "TS" | "JS" | "TSX" | "JSX"; - interface OpenRequest extends Request { - command: CommandTypes.Open; - arguments: OpenRequestArgs; + interface PreProcessedFileInfo { + referencedFiles: FileReference[]; + typeReferenceDirectives: FileReference[]; + importedFiles: FileReference[]; + ambientExternalModules: string[]; + isLibFile: boolean; } - interface OpenExternalProjectRequest extends Request { - command: CommandTypes.OpenExternalProject; - arguments: OpenExternalProjectArgs; + interface HostCancellationToken { + isCancellationRequested(): boolean; } - type OpenExternalProjectArgs = ExternalProject; - interface OpenExternalProjectsRequest extends Request { - command: CommandTypes.OpenExternalProjects; - arguments: OpenExternalProjectsArgs; + interface LanguageServiceHost { + getCompilationSettings(): CompilerOptions; + getNewLine?(): string; + getProjectVersion?(): string; + getScriptFileNames(): string[]; + getScriptKind?(fileName: string): ScriptKind; + getScriptVersion(fileName: string): string; + getScriptSnapshot(fileName: string): IScriptSnapshot | undefined; + getLocalizedDiagnosticMessages?(): any; + getCancellationToken?(): HostCancellationToken; + getCurrentDirectory(): string; + getDefaultLibFileName(options: CompilerOptions): string; + log?(s: string): void; + trace?(s: string): void; + error?(s: string): void; + useCaseSensitiveFileNames?(): boolean; + readDirectory?(path: string, extensions?: string[], exclude?: string[], include?: string[]): string[]; + readFile?(path: string, encoding?: string): string; + fileExists?(path: string): boolean; + getTypeRootsVersion?(): number; + resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; + resolveTypeReferenceDirectives?(typeDirectiveNames: string[], containingFile: string): ResolvedTypeReferenceDirective[]; + directoryExists?(directoryName: string): boolean; + getDirectories?(directoryName: string): string[]; } - interface OpenExternalProjectsArgs { - projects: ExternalProject[]; + interface LanguageService { + cleanupSemanticCache(): void; + getSyntacticDiagnostics(fileName: string): Diagnostic[]; + getSemanticDiagnostics(fileName: string): Diagnostic[]; + getCompilerOptionsDiagnostics(): Diagnostic[]; + getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; + getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; + getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications; + getEncodedSemanticClassifications(fileName: string, span: TextSpan): Classifications; + getCompletionsAtPosition(fileName: string, position: number): CompletionInfo; + getCompletionEntryDetails(fileName: string, position: number, entryName: string): CompletionEntryDetails; + getCompletionEntrySymbol(fileName: string, position: number, entryName: string): Symbol; + getQuickInfoAtPosition(fileName: string, position: number): QuickInfo; + getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan; + getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan; + getSignatureHelpItems(fileName: string, position: number): SignatureHelpItems; + getRenameInfo(fileName: string, position: number): RenameInfo; + findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): RenameLocation[]; + getDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; + getTypeDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; + getImplementationAtPosition(fileName: string, position: number): ImplementationLocation[]; + getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[]; + findReferences(fileName: string, position: number): ReferencedSymbol[]; + getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[]; + getOccurrencesAtPosition(fileName: string, position: number): ReferenceEntry[]; + getNavigateToItems(searchValue: string, maxResultCount?: number, fileName?: string, excludeDtsFiles?: boolean): NavigateToItem[]; + getNavigationBarItems(fileName: string): NavigationBarItem[]; + getNavigationTree(fileName: string): NavigationTree; + getOutliningSpans(fileName: string): OutliningSpan[]; + getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[]; + getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[]; + getIndentationAtPosition(fileName: string, position: number, options: EditorOptions | EditorSettings): number; + getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions | FormatCodeSettings): TextChange[]; + getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[]; + getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[]; + getDocCommentTemplateAtPosition(fileName: string, position: number): TextInsertion; + isValidBraceCompletionAtPosition(fileName: string, position: number, openingBrace: number): boolean; + getCodeFixesAtPosition(fileName: string, start: number, end: number, errorCodes: number[]): CodeAction[]; + getEmitOutput(fileName: string, emitOnlyDtsFiles?: boolean): EmitOutput; + getProgram(): Program; + getNonBoundSourceFile(fileName: string): SourceFile; + getSourceFile(fileName: string): SourceFile; + dispose(): void; } - interface OpenExternalProjectResponse extends Response { + interface Classifications { + spans: number[]; + endOfLineState: EndOfLineState; } - interface OpenExternalProjectsResponse extends Response { + interface ClassifiedSpan { + textSpan: TextSpan; + classificationType: string; } - interface CloseExternalProjectRequest extends Request { - command: CommandTypes.CloseExternalProject; - arguments: CloseExternalProjectRequestArgs; + interface NavigationBarItem { + text: string; + kind: string; + kindModifiers: string; + spans: TextSpan[]; + childItems: NavigationBarItem[]; + indent: number; + bolded: boolean; + grayed: boolean; } - interface CloseExternalProjectRequestArgs { - projectFileName: string; + interface NavigationTree { + text: string; + kind: string; + kindModifiers: string; + spans: TextSpan[]; + childItems?: NavigationTree[]; } - interface CloseExternalProjectResponse extends Response { + interface TodoCommentDescriptor { + text: string; + priority: number; } - interface SetCompilerOptionsForInferredProjectsRequest extends Request { - command: CommandTypes.CompilerOptionsForInferredProjects; - arguments: SetCompilerOptionsForInferredProjectsArgs; + interface TodoComment { + descriptor: TodoCommentDescriptor; + message: string; + position: number; } - interface SetCompilerOptionsForInferredProjectsArgs { - options: ExternalProjectCompilerOptions; + class TextChange { + span: TextSpan; + newText: string; } - interface SetCompilerOptionsForInferredProjectsResponse extends Response { + interface FileTextChanges { + fileName: string; + textChanges: TextChange[]; } - interface ExitRequest extends Request { - command: CommandTypes.Exit; + interface CodeAction { + description: string; + changes: FileTextChanges[]; } - interface CloseRequest extends FileRequest { - command: CommandTypes.Close; + interface TextInsertion { + newText: string; + caretOffset: number; } - interface CompileOnSaveAffectedFileListRequest extends FileRequest { - command: CommandTypes.CompileOnSaveAffectedFileList; + interface RenameLocation { + textSpan: TextSpan; + fileName: string; } - interface CompileOnSaveAffectedFileListSingleProject { - projectFileName: string; - fileNames: string[]; + interface ReferenceEntry { + textSpan: TextSpan; + fileName: string; + isWriteAccess: boolean; + isDefinition: boolean; } - interface CompileOnSaveAffectedFileListResponse extends Response { - body: CompileOnSaveAffectedFileListSingleProject[]; + interface ImplementationLocation { + textSpan: TextSpan; + fileName: string; } - interface CompileOnSaveEmitFileRequest extends FileRequest { - command: CommandTypes.CompileOnSaveEmitFile; - arguments: CompileOnSaveEmitFileRequestArgs; + interface DocumentHighlights { + fileName: string; + highlightSpans: HighlightSpan[]; } - interface CompileOnSaveEmitFileRequestArgs extends FileRequestArgs { - forced?: boolean; + namespace HighlightSpanKind { + const none = "none"; + const definition = "definition"; + const reference = "reference"; + const writtenReference = "writtenReference"; } - interface QuickInfoRequest extends FileLocationRequest { - command: CommandTypes.Quickinfo; + interface HighlightSpan { + fileName?: string; + textSpan: TextSpan; + kind: string; } - interface QuickInfoResponseBody { + interface NavigateToItem { + name: string; kind: string; kindModifiers: string; - start: Location; - end: Location; - displayString: string; - documentation: string; - } - interface QuickInfoResponse extends Response { - body?: QuickInfoResponseBody; - } - interface FormatRequestArgs extends FileLocationRequestArgs { - endLine: number; - endOffset: number; - options?: FormatCodeSettings; - } - interface FormatRequest extends FileLocationRequest { - command: CommandTypes.Format; - arguments: FormatRequestArgs; - } - interface CodeEdit { - start: Location; - end: Location; - newText: string; - } - interface FileCodeEdits { + matchKind: string; + isCaseSensitive: boolean; fileName: string; - textChanges: CodeEdit[]; + textSpan: TextSpan; + containerName: string; + containerKind: string; } - interface CodeFixResponse extends Response { - body?: CodeAction[]; + enum IndentStyle { + None = 0, + Block = 1, + Smart = 2, } - interface CodeAction { - description: string; - changes: FileCodeEdits[]; + interface EditorOptions { + BaseIndentSize?: number; + IndentSize: number; + TabSize: number; + NewLineCharacter: string; + ConvertTabsToSpaces: boolean; + IndentStyle: IndentStyle; } - interface FormatResponse extends Response { - body?: CodeEdit[]; + interface EditorSettings { + baseIndentSize?: number; + indentSize?: number; + tabSize?: number; + newLineCharacter?: string; + convertTabsToSpaces?: boolean; + indentStyle?: IndentStyle; } - interface FormatOnKeyRequestArgs extends FileLocationRequestArgs { - key: string; - options?: FormatCodeSettings; + interface FormatCodeOptions extends EditorOptions { + InsertSpaceAfterCommaDelimiter: boolean; + InsertSpaceAfterSemicolonInForStatements: boolean; + InsertSpaceBeforeAndAfterBinaryOperators: boolean; + InsertSpaceAfterKeywordsInControlFlowStatements: boolean; + InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean; + InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean; + InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean; + InsertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean; + InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean; + InsertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; + InsertSpaceAfterTypeAssertion?: boolean; + PlaceOpenBraceOnNewLineForFunctions: boolean; + PlaceOpenBraceOnNewLineForControlBlocks: boolean; } - interface FormatOnKeyRequest extends FileLocationRequest { - command: CommandTypes.Formatonkey; - arguments: FormatOnKeyRequestArgs; + interface FormatCodeSettings extends EditorSettings { + insertSpaceAfterCommaDelimiter?: boolean; + insertSpaceAfterSemicolonInForStatements?: boolean; + insertSpaceBeforeAndAfterBinaryOperators?: boolean; + insertSpaceAfterKeywordsInControlFlowStatements?: boolean; + insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean; + insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean; + insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean; + insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean; + insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean; + insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; + insertSpaceAfterTypeAssertion?: boolean; + placeOpenBraceOnNewLineForFunctions?: boolean; + placeOpenBraceOnNewLineForControlBlocks?: boolean; } - interface CompletionsRequestArgs extends FileLocationRequestArgs { - prefix?: string; + interface DefinitionInfo { + fileName: string; + textSpan: TextSpan; + kind: string; + name: string; + containerKind: string; + containerName: string; } - interface CompletionsRequest extends FileLocationRequest { - command: CommandTypes.Completions; - arguments: CompletionsRequestArgs; + interface ReferencedSymbolDefinitionInfo extends DefinitionInfo { + displayParts: SymbolDisplayPart[]; } - interface CompletionDetailsRequestArgs extends FileLocationRequestArgs { - entryNames: string[]; + interface ReferencedSymbol { + definition: ReferencedSymbolDefinitionInfo; + references: ReferenceEntry[]; } - interface CompletionDetailsRequest extends FileLocationRequest { - command: CommandTypes.CompletionDetails; - arguments: CompletionDetailsRequestArgs; + enum SymbolDisplayPartKind { + aliasName = 0, + className = 1, + enumName = 2, + fieldName = 3, + interfaceName = 4, + keyword = 5, + lineBreak = 6, + numericLiteral = 7, + stringLiteral = 8, + localName = 9, + methodName = 10, + moduleName = 11, + operator = 12, + parameterName = 13, + propertyName = 14, + punctuation = 15, + space = 16, + text = 17, + typeParameterName = 18, + enumMemberName = 19, + functionName = 20, + regularExpressionLiteral = 21, } interface SymbolDisplayPart { text: string; kind: string; } - interface CompletionEntry { - name: string; - kind: string; - kindModifiers: string; - sortText: string; - replacementSpan?: TextSpan; - } - interface CompletionEntryDetails { - name: string; + interface QuickInfo { kind: string; kindModifiers: string; + textSpan: TextSpan; displayParts: SymbolDisplayPart[]; documentation: SymbolDisplayPart[]; } - interface CompletionsResponse extends Response { - body?: CompletionEntry[]; - } - interface CompletionDetailsResponse extends Response { - body?: CompletionEntryDetails[]; + interface RenameInfo { + canRename: boolean; + localizedErrorMessage: string; + displayName: string; + fullDisplayName: string; + kind: string; + kindModifiers: string; + triggerSpan: TextSpan; } interface SignatureHelpParameter { name: string; @@ -3269,275 +9681,848 @@ declare namespace ts.server.protocol { argumentIndex: number; argumentCount: number; } - interface SignatureHelpRequestArgs extends FileLocationRequestArgs { - } - interface SignatureHelpRequest extends FileLocationRequest { - command: CommandTypes.SignatureHelp; - arguments: SignatureHelpRequestArgs; - } - interface SignatureHelpResponse extends Response { - body?: SignatureHelpItems; - } - interface SemanticDiagnosticsSyncRequest extends FileRequest { - command: CommandTypes.SemanticDiagnosticsSync; - arguments: SemanticDiagnosticsSyncRequestArgs; - } - interface SemanticDiagnosticsSyncRequestArgs extends FileRequestArgs { - includeLinePosition?: boolean; - } - interface SemanticDiagnosticsSyncResponse extends Response { - body?: Diagnostic[] | DiagnosticWithLinePosition[]; + interface CompletionInfo { + isGlobalCompletion: boolean; + isMemberCompletion: boolean; + isNewIdentifierLocation: boolean; + entries: CompletionEntry[]; } - interface SyntacticDiagnosticsSyncRequest extends FileRequest { - command: CommandTypes.SyntacticDiagnosticsSync; - arguments: SyntacticDiagnosticsSyncRequestArgs; + interface CompletionEntry { + name: string; + kind: string; + kindModifiers: string; + sortText: string; + replacementSpan?: TextSpan; } - interface SyntacticDiagnosticsSyncRequestArgs extends FileRequestArgs { - includeLinePosition?: boolean; + interface CompletionEntryDetails { + name: string; + kind: string; + kindModifiers: string; + displayParts: SymbolDisplayPart[]; + documentation: SymbolDisplayPart[]; } - interface SyntacticDiagnosticsSyncResponse extends Response { - body?: Diagnostic[] | DiagnosticWithLinePosition[]; + interface OutliningSpan { + textSpan: TextSpan; + hintSpan: TextSpan; + bannerText: string; + autoCollapse: boolean; } - interface GeterrForProjectRequestArgs { - file: string; - delay: number; + interface EmitOutput { + outputFiles: OutputFile[]; + emitSkipped: boolean; } - interface GeterrForProjectRequest extends Request { - command: CommandTypes.GeterrForProject; - arguments: GeterrForProjectRequestArgs; + const enum OutputFileType { + JavaScript = 0, + SourceMap = 1, + Declaration = 2, } - interface GeterrRequestArgs { - files: string[]; - delay: number; + interface OutputFile { + name: string; + writeByteOrderMark: boolean; + text: string; } - interface GeterrRequest extends Request { - command: CommandTypes.Geterr; - arguments: GeterrRequestArgs; + const enum EndOfLineState { + None = 0, + InMultiLineCommentTrivia = 1, + InSingleQuoteStringLiteral = 2, + InDoubleQuoteStringLiteral = 3, + InTemplateHeadOrNoSubstitutionTemplate = 4, + InTemplateMiddleOrTail = 5, + InTemplateSubstitutionPosition = 6, } - interface Diagnostic { - start: Location; - end: Location; - text: string; - code?: number; + enum TokenClass { + Punctuation = 0, + Keyword = 1, + Operator = 2, + Comment = 3, + Whitespace = 4, + Identifier = 5, + NumberLiteral = 6, + StringLiteral = 7, + RegExpLiteral = 8, } - interface DiagnosticEventBody { - file: string; - diagnostics: Diagnostic[]; + interface ClassificationResult { + finalLexState: EndOfLineState; + entries: ClassificationInfo[]; } - interface DiagnosticEvent extends Event { - body?: DiagnosticEventBody; + interface ClassificationInfo { + length: number; + classification: TokenClass; } - interface ConfigFileDiagnosticEventBody { - triggerFile: string; - configFile: string; - diagnostics: Diagnostic[]; + interface Classifier { + getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult; + getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications; } - interface ConfigFileDiagnosticEvent extends Event { - body?: ConfigFileDiagnosticEventBody; - event: "configFileDiag"; + namespace ScriptElementKind { + const unknown = ""; + const warning = "warning"; + const keyword = "keyword"; + const scriptElement = "script"; + const moduleElement = "module"; + const classElement = "class"; + const localClassElement = "local class"; + const interfaceElement = "interface"; + const typeElement = "type"; + const enumElement = "enum"; + const enumMemberElement = "const"; + const variableElement = "var"; + const localVariableElement = "local var"; + const functionElement = "function"; + const localFunctionElement = "local function"; + const memberFunctionElement = "method"; + const memberGetAccessorElement = "getter"; + const memberSetAccessorElement = "setter"; + const memberVariableElement = "property"; + const constructorImplementationElement = "constructor"; + const callSignatureElement = "call"; + const indexSignatureElement = "index"; + const constructSignatureElement = "construct"; + const parameterElement = "parameter"; + const typeParameterElement = "type parameter"; + const primitiveType = "primitive type"; + const label = "label"; + const alias = "alias"; + const constElement = "const"; + const letElement = "let"; + const directory = "directory"; + const externalModuleName = "external module name"; } - interface ReloadRequestArgs extends FileRequestArgs { - tmpfile: string; + namespace ScriptElementKindModifier { + const none = ""; + const publicMemberModifier = "public"; + const privateMemberModifier = "private"; + const protectedMemberModifier = "protected"; + const exportedModifier = "export"; + const ambientModifier = "declare"; + const staticModifier = "static"; + const abstractModifier = "abstract"; } - interface ReloadRequest extends FileRequest { - command: CommandTypes.Reload; - arguments: ReloadRequestArgs; + class ClassificationTypeNames { + static comment: string; + static identifier: string; + static keyword: string; + static numericLiteral: string; + static operator: string; + static stringLiteral: string; + static whiteSpace: string; + static text: string; + static punctuation: string; + static className: string; + static enumName: string; + static interfaceName: string; + static moduleName: string; + static typeParameterName: string; + static typeAliasName: string; + static parameterName: string; + static docCommentTagName: string; + static jsxOpenTagName: string; + static jsxCloseTagName: string; + static jsxSelfClosingTagName: string; + static jsxAttribute: string; + static jsxText: string; + static jsxAttributeStringLiteralValue: string; } - interface ReloadResponse extends Response { + const enum ClassificationType { + comment = 1, + identifier = 2, + keyword = 3, + numericLiteral = 4, + operator = 5, + stringLiteral = 6, + regularExpressionLiteral = 7, + whiteSpace = 8, + text = 9, + punctuation = 10, + className = 11, + enumName = 12, + interfaceName = 13, + moduleName = 14, + typeParameterName = 15, + typeAliasName = 16, + parameterName = 17, + docCommentTagName = 18, + jsxOpenTagName = 19, + jsxCloseTagName = 20, + jsxSelfClosingTagName = 21, + jsxAttribute = 22, + jsxText = 23, + jsxAttributeStringLiteralValue = 24, } - interface SavetoRequestArgs extends FileRequestArgs { - tmpfile: string; +} +declare namespace ts { + const scanner: Scanner; + const emptyArray: any[]; + const enum SemanticMeaning { + None = 0, + Value = 1, + Type = 2, + Namespace = 4, + All = 7, + } + function getMeaningFromDeclaration(node: Node): SemanticMeaning; + function getMeaningFromLocation(node: Node): SemanticMeaning; + function isCallExpressionTarget(node: Node): boolean; + function isNewExpressionTarget(node: Node): boolean; + function climbPastPropertyAccess(node: Node): Node; + function getTargetLabel(referenceNode: Node, labelName: string): Identifier; + function isJumpStatementTarget(node: Node): boolean; + function isLabelName(node: Node): boolean; + function isRightSideOfQualifiedName(node: Node): boolean; + function isRightSideOfPropertyAccess(node: Node): boolean; + function isNameOfModuleDeclaration(node: Node): boolean; + function isNameOfFunctionDeclaration(node: Node): boolean; + function isLiteralNameOfPropertyDeclarationOrIndexAccess(node: Node): boolean; + function isExpressionOfExternalModuleImportEqualsDeclaration(node: Node): boolean; + function isInsideComment(sourceFile: SourceFile, token: Node, position: number): boolean; + function getContainerNode(node: Node): Declaration; + function getNodeKind(node: Node): string; + function getStringLiteralTypeForNode(node: StringLiteral | LiteralTypeNode, typeChecker: TypeChecker): LiteralType; + function isThis(node: Node): boolean; + interface ListItemInfo { + listItemIndex: number; + list: Node; + } + function getLineStartPositionForPosition(position: number, sourceFile: SourceFile): number; + function rangeContainsRange(r1: TextRange, r2: TextRange): boolean; + function startEndContainsRange(start: number, end: number, range: TextRange): boolean; + function rangeContainsStartEnd(range: TextRange, start: number, end: number): boolean; + function rangeOverlapsWithStartEnd(r1: TextRange, start: number, end: number): boolean; + function startEndOverlapsWithStartEnd(start1: number, end1: number, start2: number, end2: number): boolean; + function positionBelongsToNode(candidate: Node, position: number, sourceFile: SourceFile): boolean; + function isCompletedNode(n: Node, sourceFile: SourceFile): boolean; + function findListItemInfo(node: Node): ListItemInfo; + function hasChildOfKind(n: Node, kind: SyntaxKind, sourceFile?: SourceFile): boolean; + function findChildOfKind(n: Node, kind: SyntaxKind, sourceFile?: SourceFile): Node; + function findContainingList(node: Node): Node; + function getTouchingWord(sourceFile: SourceFile, position: number, includeJsDocComment?: boolean): Node; + function getTouchingPropertyName(sourceFile: SourceFile, position: number, includeJsDocComment?: boolean): Node; + function getTouchingToken(sourceFile: SourceFile, position: number, includeItemAtEndPosition?: (n: Node) => boolean, includeJsDocComment?: boolean): Node; + function getTokenAtPosition(sourceFile: SourceFile, position: number, includeJsDocComment?: boolean): Node; + function findTokenOnLeftOfPosition(file: SourceFile, position: number): Node; + function findNextToken(previousToken: Node, parent: Node): Node; + function findPrecedingToken(position: number, sourceFile: SourceFile, startNode?: Node): Node; + function isInString(sourceFile: SourceFile, position: number): boolean; + function isInComment(sourceFile: SourceFile, position: number): boolean; + function isInsideJsxElementOrAttribute(sourceFile: SourceFile, position: number): boolean; + function isInTemplateString(sourceFile: SourceFile, position: number): boolean; + function isInCommentHelper(sourceFile: SourceFile, position: number, predicate?: (c: CommentRange) => boolean): boolean; + function hasDocComment(sourceFile: SourceFile, position: number): boolean; + function getJsDocTagAtPosition(sourceFile: SourceFile, position: number): JSDocTag; + function getNodeModifiers(node: Node): string; + function getTypeArgumentOrTypeParameterList(node: Node): NodeArray; + function isToken(n: Node): boolean; + function isWord(kind: SyntaxKind): boolean; + function isComment(kind: SyntaxKind): boolean; + function isStringOrRegularExpressionOrTemplateLiteral(kind: SyntaxKind): boolean; + function isPunctuation(kind: SyntaxKind): boolean; + function isInsideTemplateLiteral(node: LiteralExpression, position: number): boolean; + function isAccessibilityModifier(kind: SyntaxKind): boolean; + function compareDataObjects(dst: any, src: any): boolean; + function isArrayLiteralOrObjectLiteralDestructuringPattern(node: Node): boolean; + function hasTrailingDirectorySeparator(path: string): boolean; + function isInReferenceComment(sourceFile: SourceFile, position: number): boolean; + function isInNonReferenceComment(sourceFile: SourceFile, position: number): boolean; +} +declare namespace ts { + function isFirstDeclarationOfSymbolParameter(symbol: Symbol): boolean; + function symbolPart(text: string, symbol: Symbol): SymbolDisplayPart; + function displayPart(text: string, kind: SymbolDisplayPartKind): SymbolDisplayPart; + function spacePart(): SymbolDisplayPart; + function keywordPart(kind: SyntaxKind): SymbolDisplayPart; + function punctuationPart(kind: SyntaxKind): SymbolDisplayPart; + function operatorPart(kind: SyntaxKind): SymbolDisplayPart; + function textOrKeywordPart(text: string): SymbolDisplayPart; + function textPart(text: string): SymbolDisplayPart; + function getNewLineOrDefaultFromHost(host: LanguageServiceHost | LanguageServiceShimHost): string; + function lineBreakPart(): SymbolDisplayPart; + function mapToDisplayParts(writeDisplayParts: (writer: DisplayPartsSymbolWriter) => void): SymbolDisplayPart[]; + function typeToDisplayParts(typechecker: TypeChecker, type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): SymbolDisplayPart[]; + function symbolToDisplayParts(typeChecker: TypeChecker, symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): SymbolDisplayPart[]; + function signatureToDisplayParts(typechecker: TypeChecker, signature: Signature, enclosingDeclaration?: Node, flags?: TypeFormatFlags): SymbolDisplayPart[]; + function getDeclaredName(typeChecker: TypeChecker, symbol: Symbol, location: Node): string; + function isImportOrExportSpecifierName(location: Node): boolean; + function stripQuotes(name: string): string; + function scriptKindIs(fileName: string, host: LanguageServiceHost, ...scriptKinds: ScriptKind[]): boolean; + function getScriptKind(fileName: string, host?: LanguageServiceHost): ScriptKind; + function sanitizeConfigFile(configFileName: string, content: string): { + configJsonObject: any; + diagnostics: Diagnostic[]; + }; +} +declare namespace ts.BreakpointResolver { + function spanInSourceFileAtLocation(sourceFile: SourceFile, position: number): TextSpan; +} +declare namespace ts { + function createClassifier(): Classifier; + function getSemanticClassifications(typeChecker: TypeChecker, cancellationToken: CancellationToken, sourceFile: SourceFile, classifiableNames: Map, span: TextSpan): ClassifiedSpan[]; + function getEncodedSemanticClassifications(typeChecker: TypeChecker, cancellationToken: CancellationToken, sourceFile: SourceFile, classifiableNames: Map, span: TextSpan): Classifications; + function getSyntacticClassifications(cancellationToken: CancellationToken, sourceFile: SourceFile, span: TextSpan): ClassifiedSpan[]; + function getEncodedSyntacticClassifications(cancellationToken: CancellationToken, sourceFile: SourceFile, span: TextSpan): Classifications; +} +declare namespace ts.Completions { + function getCompletionsAtPosition(host: LanguageServiceHost, typeChecker: TypeChecker, log: (message: string) => void, compilerOptions: CompilerOptions, sourceFile: SourceFile, position: number): CompletionInfo; + function getCompletionEntryDetails(typeChecker: TypeChecker, log: (message: string) => void, compilerOptions: CompilerOptions, sourceFile: SourceFile, position: number, entryName: string): CompletionEntryDetails; + function getCompletionEntrySymbol(typeChecker: TypeChecker, log: (message: string) => void, compilerOptions: CompilerOptions, sourceFile: SourceFile, position: number, entryName: string): Symbol; +} +declare namespace ts.DocumentHighlights { + function getDocumentHighlights(typeChecker: TypeChecker, cancellationToken: CancellationToken, sourceFile: SourceFile, position: number, sourceFilesToSearch: SourceFile[]): DocumentHighlights[]; +} +declare namespace ts { + interface DocumentRegistry { + acquireDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; + acquireDocumentWithKey(fileName: string, path: Path, compilationSettings: CompilerOptions, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; + updateDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; + updateDocumentWithKey(fileName: string, path: Path, compilationSettings: CompilerOptions, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile; + getKeyForCompilationSettings(settings: CompilerOptions): DocumentRegistryBucketKey; + releaseDocument(fileName: string, compilationSettings: CompilerOptions): void; + releaseDocumentWithKey(path: Path, key: DocumentRegistryBucketKey): void; + reportStats(): string; } - interface SavetoRequest extends FileRequest { - command: CommandTypes.Saveto; - arguments: SavetoRequestArgs; + type DocumentRegistryBucketKey = string & { + __bucketKey: any; + }; + function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry; +} +declare namespace ts.FindAllReferences { + function findReferencedSymbols(typeChecker: TypeChecker, cancellationToken: CancellationToken, sourceFiles: SourceFile[], sourceFile: SourceFile, position: number, findInStrings: boolean, findInComments: boolean): ReferencedSymbol[]; + function getReferencedSymbolsForNode(typeChecker: TypeChecker, cancellationToken: CancellationToken, node: Node, sourceFiles: SourceFile[], findInStrings: boolean, findInComments: boolean, implementations: boolean): ReferencedSymbol[]; + function convertReferences(referenceSymbols: ReferencedSymbol[]): ReferenceEntry[]; + function getReferenceEntriesForShorthandPropertyAssignment(node: Node, typeChecker: TypeChecker, result: ReferenceEntry[]): void; + function getReferenceEntryFromNode(node: Node): ReferenceEntry; +} +declare namespace ts.GoToDefinition { + function getDefinitionAtPosition(program: Program, sourceFile: SourceFile, position: number): DefinitionInfo[]; + function getTypeDefinitionAtPosition(typeChecker: TypeChecker, sourceFile: SourceFile, position: number): DefinitionInfo[]; +} +declare namespace ts.GoToImplementation { + function getImplementationAtPosition(typeChecker: TypeChecker, cancellationToken: CancellationToken, sourceFiles: SourceFile[], node: Node): ImplementationLocation[]; +} +declare namespace ts.JsDoc { + function getJsDocCommentsFromDeclarations(declarations: Declaration[]): SymbolDisplayPart[]; + function getAllJsDocCompletionEntries(): CompletionEntry[]; + function getDocCommentTemplateAtPosition(newLine: string, sourceFile: SourceFile, position: number): TextInsertion; +} +declare namespace ts.NavigateTo { + function getNavigateToItems(sourceFiles: SourceFile[], checker: TypeChecker, cancellationToken: CancellationToken, searchValue: string, maxResultCount: number, excludeDtsFiles: boolean): NavigateToItem[]; +} +declare namespace ts.NavigationBar { + function getNavigationBarItems(sourceFile: SourceFile): NavigationBarItem[]; + function getNavigationTree(sourceFile: SourceFile): NavigationTree; +} +declare namespace ts.OutliningElementsCollector { + function collectElements(sourceFile: SourceFile): OutliningSpan[]; +} +declare namespace ts { + enum PatternMatchKind { + exact = 0, + prefix = 1, + substring = 2, + camelCase = 3, + } + interface PatternMatch { + kind: PatternMatchKind; + camelCaseWeight?: number; + isCaseSensitive: boolean; + punctuationStripped: boolean; } - interface NavtoRequestArgs extends FileRequestArgs { - searchValue: string; - maxResultCount?: number; - currentFileOnly?: boolean; - projectFileName?: string; + interface PatternMatcher { + getMatchesForLastSegmentOfPattern(candidate: string): PatternMatch[]; + getMatches(candidateContainers: string[], candidate: string): PatternMatch[]; + patternContainsDots: boolean; } - interface NavtoRequest extends FileRequest { - command: CommandTypes.Navto; - arguments: NavtoRequestArgs; + function createPatternMatcher(pattern: string): PatternMatcher; + function breakIntoCharacterSpans(identifier: string): TextSpan[]; + function breakIntoWordSpans(identifier: string): TextSpan[]; +} +declare namespace ts { + function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo; +} +declare namespace ts.Rename { + function getRenameInfo(typeChecker: TypeChecker, defaultLibFileName: string, getCanonicalFileName: (fileName: string) => string, sourceFile: SourceFile, position: number): RenameInfo; +} +declare namespace ts.SignatureHelp { + const enum ArgumentListKind { + TypeArguments = 0, + CallArguments = 1, + TaggedTemplateArguments = 2, + } + interface ArgumentListInfo { + kind: ArgumentListKind; + invocation: CallLikeExpression; + argumentsSpan: TextSpan; + argumentIndex?: number; + argumentCount: number; } - interface NavtoItem { - name: string; - kind: string; - matchKind?: string; - isCaseSensitive?: boolean; - kindModifiers?: string; - file: string; - start: Location; - end: Location; - containerName?: string; - containerKind?: string; + function getSignatureHelpItems(program: Program, sourceFile: SourceFile, position: number, cancellationToken: CancellationToken): SignatureHelpItems; + function getContainingArgumentInfo(node: Node, position: number, sourceFile: SourceFile): ArgumentListInfo; +} +declare namespace ts.SymbolDisplay { + function getSymbolKind(typeChecker: TypeChecker, symbol: Symbol, location: Node): string; + function getSymbolModifiers(symbol: Symbol): string; + function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker: TypeChecker, symbol: Symbol, sourceFile: SourceFile, enclosingDeclaration: Node, location: Node, semanticMeaning?: SemanticMeaning): { + displayParts: SymbolDisplayPart[]; + documentation: SymbolDisplayPart[]; + symbolKind: string; + }; +} +declare namespace ts { + interface TranspileOptions { + compilerOptions?: CompilerOptions; + fileName?: string; + reportDiagnostics?: boolean; + moduleName?: string; + renamedDependencies?: MapLike; } - interface NavtoResponse extends Response { - body?: NavtoItem[]; + interface TranspileOutput { + outputText: string; + diagnostics?: Diagnostic[]; + sourceMapText?: string; } - interface ChangeRequestArgs extends FormatRequestArgs { - insertString?: string; + function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput; + function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string; +} +declare namespace ts.formatting { + interface FormattingScanner { + advance(): void; + isOnToken(): boolean; + readTokenInfo(n: Node): TokenInfo; + getCurrentLeadingTrivia(): TextRangeWithKind[]; + lastTrailingTriviaWasNewLine(): boolean; + skipToEndOf(node: Node): void; + close(): void; } - interface ChangeRequest extends FileLocationRequest { - command: CommandTypes.Change; - arguments: ChangeRequestArgs; + function getFormattingScanner(sourceFile: SourceFile, startPos: number, endPos: number): FormattingScanner; +} +declare namespace ts.formatting { + class FormattingContext { + sourceFile: SourceFile; + formattingRequestKind: FormattingRequestKind; + currentTokenSpan: TextRangeWithKind; + nextTokenSpan: TextRangeWithKind; + contextNode: Node; + currentTokenParent: Node; + nextTokenParent: Node; + private contextNodeAllOnSameLine; + private nextNodeAllOnSameLine; + private tokensAreOnSameLine; + private contextNodeBlockIsOnOneLine; + private nextNodeBlockIsOnOneLine; + constructor(sourceFile: SourceFile, formattingRequestKind: FormattingRequestKind); + updateContext(currentRange: TextRangeWithKind, currentTokenParent: Node, nextRange: TextRangeWithKind, nextTokenParent: Node, commonParent: Node): void; + ContextNodeAllOnSameLine(): boolean; + NextNodeAllOnSameLine(): boolean; + TokensAreOnSameLine(): boolean; + ContextNodeBlockIsOnOneLine(): boolean; + NextNodeBlockIsOnOneLine(): boolean; + private NodeIsOnOneLine(node); + private BlockIsOnOneLine(node); } - interface BraceResponse extends Response { - body?: TextSpan[]; +} +declare namespace ts.formatting { + const enum FormattingRequestKind { + FormatDocument = 0, + FormatSelection = 1, + FormatOnEnter = 2, + FormatOnSemicolon = 3, + FormatOnClosingCurlyBrace = 4, } - interface BraceRequest extends FileLocationRequest { - command: CommandTypes.Brace; +} +declare namespace ts.formatting { + class Rule { + Descriptor: RuleDescriptor; + Operation: RuleOperation; + Flag: RuleFlags; + constructor(Descriptor: RuleDescriptor, Operation: RuleOperation, Flag?: RuleFlags); + toString(): string; } - interface NavBarRequest extends FileRequest { - command: CommandTypes.NavBar; +} +declare namespace ts.formatting { + const enum RuleAction { + Ignore = 1, + Space = 2, + NewLine = 4, + Delete = 8, } - interface NavTreeRequest extends FileRequest { - command: CommandTypes.NavTree; +} +declare namespace ts.formatting { + class RuleDescriptor { + LeftTokenRange: Shared.TokenRange; + RightTokenRange: Shared.TokenRange; + constructor(LeftTokenRange: Shared.TokenRange, RightTokenRange: Shared.TokenRange); + toString(): string; + static create1(left: SyntaxKind, right: SyntaxKind): RuleDescriptor; + static create2(left: Shared.TokenRange, right: SyntaxKind): RuleDescriptor; + static create3(left: SyntaxKind, right: Shared.TokenRange): RuleDescriptor; + static create4(left: Shared.TokenRange, right: Shared.TokenRange): RuleDescriptor; } - interface NavigationBarItem { - text: string; - kind: string; - kindModifiers?: string; - spans: TextSpan[]; - childItems?: NavigationBarItem[]; - indent: number; +} +declare namespace ts.formatting { + const enum RuleFlags { + None = 0, + CanDeleteNewLines = 1, } - interface NavigationTree { - text: string; - kind: string; - kindModifiers: string; - spans: TextSpan[]; - childItems?: NavigationTree[]; +} +declare namespace ts.formatting { + class RuleOperation { + Context: RuleOperationContext; + Action: RuleAction; + constructor(Context: RuleOperationContext, Action: RuleAction); + toString(): string; + static create1(action: RuleAction): RuleOperation; + static create2(context: RuleOperationContext, action: RuleAction): RuleOperation; } - interface NavBarResponse extends Response { - body?: NavigationBarItem[]; +} +declare namespace ts.formatting { + class RuleOperationContext { + private customContextChecks; + constructor(...funcs: { + (context: FormattingContext): boolean; + }[]); + static Any: RuleOperationContext; + IsAny(): boolean; + InContext(context: FormattingContext): boolean; } - interface NavTreeResponse extends Response { - body?: NavigationTree; +} +declare namespace ts.formatting { + class Rules { + getRuleName(rule: Rule): string; + [name: string]: any; + IgnoreBeforeComment: Rule; + IgnoreAfterLineComment: Rule; + NoSpaceBeforeSemicolon: Rule; + NoSpaceBeforeColon: Rule; + NoSpaceBeforeQuestionMark: Rule; + SpaceAfterColon: Rule; + SpaceAfterQuestionMarkInConditionalOperator: Rule; + NoSpaceAfterQuestionMark: Rule; + SpaceAfterSemicolon: Rule; + SpaceAfterCloseBrace: Rule; + SpaceBetweenCloseBraceAndElse: Rule; + SpaceBetweenCloseBraceAndWhile: Rule; + NoSpaceAfterCloseBrace: Rule; + NoSpaceBeforeDot: Rule; + NoSpaceAfterDot: Rule; + NoSpaceBeforeOpenBracket: Rule; + NoSpaceAfterCloseBracket: Rule; + SpaceAfterOpenBrace: Rule; + SpaceBeforeCloseBrace: Rule; + NoSpaceAfterOpenBrace: Rule; + NoSpaceBeforeCloseBrace: Rule; + NoSpaceBetweenEmptyBraceBrackets: Rule; + NewLineAfterOpenBraceInBlockContext: Rule; + NewLineBeforeCloseBraceInBlockContext: Rule; + NoSpaceAfterUnaryPrefixOperator: Rule; + NoSpaceAfterUnaryPreincrementOperator: Rule; + NoSpaceAfterUnaryPredecrementOperator: Rule; + NoSpaceBeforeUnaryPostincrementOperator: Rule; + NoSpaceBeforeUnaryPostdecrementOperator: Rule; + SpaceAfterPostincrementWhenFollowedByAdd: Rule; + SpaceAfterAddWhenFollowedByUnaryPlus: Rule; + SpaceAfterAddWhenFollowedByPreincrement: Rule; + SpaceAfterPostdecrementWhenFollowedBySubtract: Rule; + SpaceAfterSubtractWhenFollowedByUnaryMinus: Rule; + SpaceAfterSubtractWhenFollowedByPredecrement: Rule; + NoSpaceBeforeComma: Rule; + SpaceAfterCertainKeywords: Rule; + SpaceAfterLetConstInVariableDeclaration: Rule; + NoSpaceBeforeOpenParenInFuncCall: Rule; + SpaceAfterFunctionInFuncDecl: Rule; + NoSpaceBeforeOpenParenInFuncDecl: Rule; + SpaceAfterVoidOperator: Rule; + NoSpaceBetweenReturnAndSemicolon: Rule; + SpaceBetweenStatements: Rule; + SpaceAfterTryFinally: Rule; + SpaceAfterGetSetInMember: Rule; + SpaceBeforeBinaryKeywordOperator: Rule; + SpaceAfterBinaryKeywordOperator: Rule; + NoSpaceAfterConstructor: Rule; + NoSpaceAfterModuleImport: Rule; + SpaceAfterCertainTypeScriptKeywords: Rule; + SpaceBeforeCertainTypeScriptKeywords: Rule; + SpaceAfterModuleName: Rule; + SpaceBeforeArrow: Rule; + SpaceAfterArrow: Rule; + NoSpaceAfterEllipsis: Rule; + NoSpaceAfterOptionalParameters: Rule; + NoSpaceBeforeOpenAngularBracket: Rule; + NoSpaceBetweenCloseParenAndAngularBracket: Rule; + NoSpaceAfterOpenAngularBracket: Rule; + NoSpaceBeforeCloseAngularBracket: Rule; + NoSpaceAfterCloseAngularBracket: Rule; + NoSpaceBetweenEmptyInterfaceBraceBrackets: Rule; + HighPriorityCommonRules: Rule[]; + LowPriorityCommonRules: Rule[]; + SpaceAfterComma: Rule; + NoSpaceAfterComma: Rule; + SpaceBeforeBinaryOperator: Rule; + SpaceAfterBinaryOperator: Rule; + NoSpaceBeforeBinaryOperator: Rule; + NoSpaceAfterBinaryOperator: Rule; + SpaceAfterKeywordInControl: Rule; + NoSpaceAfterKeywordInControl: Rule; + FunctionOpenBraceLeftTokenRange: Shared.TokenRange; + SpaceBeforeOpenBraceInFunction: Rule; + NewLineBeforeOpenBraceInFunction: Rule; + TypeScriptOpenBraceLeftTokenRange: Shared.TokenRange; + SpaceBeforeOpenBraceInTypeScriptDeclWithBlock: Rule; + NewLineBeforeOpenBraceInTypeScriptDeclWithBlock: Rule; + ControlOpenBraceLeftTokenRange: Shared.TokenRange; + SpaceBeforeOpenBraceInControl: Rule; + NewLineBeforeOpenBraceInControl: Rule; + SpaceAfterSemicolonInFor: Rule; + NoSpaceAfterSemicolonInFor: Rule; + SpaceAfterOpenParen: Rule; + SpaceBeforeCloseParen: Rule; + NoSpaceBetweenParens: Rule; + NoSpaceAfterOpenParen: Rule; + NoSpaceBeforeCloseParen: Rule; + SpaceAfterOpenBracket: Rule; + SpaceBeforeCloseBracket: Rule; + NoSpaceBetweenBrackets: Rule; + NoSpaceAfterOpenBracket: Rule; + NoSpaceBeforeCloseBracket: Rule; + SpaceAfterAnonymousFunctionKeyword: Rule; + NoSpaceAfterAnonymousFunctionKeyword: Rule; + SpaceBeforeAt: Rule; + NoSpaceAfterAt: Rule; + SpaceAfterDecorator: Rule; + NoSpaceBetweenFunctionKeywordAndStar: Rule; + SpaceAfterStarInGeneratorDeclaration: Rule; + NoSpaceBetweenYieldKeywordAndStar: Rule; + SpaceBetweenYieldOrYieldStarAndOperand: Rule; + SpaceBetweenAsyncAndOpenParen: Rule; + SpaceBetweenAsyncAndFunctionKeyword: Rule; + NoSpaceBetweenTagAndTemplateString: Rule; + NoSpaceAfterTemplateHeadAndMiddle: Rule; + SpaceAfterTemplateHeadAndMiddle: Rule; + NoSpaceBeforeTemplateMiddleAndTail: Rule; + SpaceBeforeTemplateMiddleAndTail: Rule; + NoSpaceAfterOpenBraceInJsxExpression: Rule; + SpaceAfterOpenBraceInJsxExpression: Rule; + NoSpaceBeforeCloseBraceInJsxExpression: Rule; + SpaceBeforeCloseBraceInJsxExpression: Rule; + SpaceBeforeJsxAttribute: Rule; + SpaceBeforeSlashInJsxOpeningElement: Rule; + NoSpaceBeforeGreaterThanTokenInJsxOpeningElement: Rule; + NoSpaceBeforeEqualInJsxAttribute: Rule; + NoSpaceAfterEqualInJsxAttribute: Rule; + NoSpaceAfterTypeAssertion: Rule; + SpaceAfterTypeAssertion: Rule; + constructor(); + static IsForContext(context: FormattingContext): boolean; + static IsNotForContext(context: FormattingContext): boolean; + static IsBinaryOpContext(context: FormattingContext): boolean; + static IsNotBinaryOpContext(context: FormattingContext): boolean; + static IsConditionalOperatorContext(context: FormattingContext): boolean; + static IsSameLineTokenOrBeforeMultilineBlockContext(context: FormattingContext): boolean; + static IsBeforeMultilineBlockContext(context: FormattingContext): boolean; + static IsMultilineBlockContext(context: FormattingContext): boolean; + static IsSingleLineBlockContext(context: FormattingContext): boolean; + static IsBlockContext(context: FormattingContext): boolean; + static IsBeforeBlockContext(context: FormattingContext): boolean; + static NodeIsBlockContext(node: Node): boolean; + static IsFunctionDeclContext(context: FormattingContext): boolean; + static IsFunctionDeclarationOrFunctionExpressionContext(context: FormattingContext): boolean; + static IsTypeScriptDeclWithBlockContext(context: FormattingContext): boolean; + static NodeIsTypeScriptDeclWithBlockContext(node: Node): boolean; + static IsAfterCodeBlockContext(context: FormattingContext): boolean; + static IsControlDeclContext(context: FormattingContext): boolean; + static IsObjectContext(context: FormattingContext): boolean; + static IsFunctionCallContext(context: FormattingContext): boolean; + static IsNewContext(context: FormattingContext): boolean; + static IsFunctionCallOrNewContext(context: FormattingContext): boolean; + static IsPreviousTokenNotComma(context: FormattingContext): boolean; + static IsNextTokenNotCloseBracket(context: FormattingContext): boolean; + static IsArrowFunctionContext(context: FormattingContext): boolean; + static IsNonJsxSameLineTokenContext(context: FormattingContext): boolean; + static IsNonJsxElementContext(context: FormattingContext): boolean; + static IsJsxExpressionContext(context: FormattingContext): boolean; + static IsNextTokenParentJsxAttribute(context: FormattingContext): boolean; + static IsJsxAttributeContext(context: FormattingContext): boolean; + static IsJsxSelfClosingElementContext(context: FormattingContext): boolean; + static IsNotBeforeBlockInFunctionDeclarationContext(context: FormattingContext): boolean; + static IsEndOfDecoratorContextOnSameLine(context: FormattingContext): boolean; + static NodeIsInDecoratorContext(node: Node): boolean; + static IsStartOfVariableDeclarationList(context: FormattingContext): boolean; + static IsNotFormatOnEnter(context: FormattingContext): boolean; + static IsModuleDeclContext(context: FormattingContext): boolean; + static IsObjectTypeContext(context: FormattingContext): boolean; + static IsTypeArgumentOrParameterOrAssertion(token: TextRangeWithKind, parent: Node): boolean; + static IsTypeArgumentOrParameterOrAssertionContext(context: FormattingContext): boolean; + static IsTypeAssertionContext(context: FormattingContext): boolean; + static IsVoidOpContext(context: FormattingContext): boolean; + static IsYieldOrYieldStarWithOperand(context: FormattingContext): boolean; } - namespace IndentStyle { - type None = "None"; - type Block = "Block"; - type Smart = "Smart"; +} +declare namespace ts.formatting { + class RulesMap { + map: RulesBucket[]; + mapRowLength: number; + constructor(); + static create(rules: Rule[]): RulesMap; + Initialize(rules: Rule[]): RulesBucket[]; + FillRules(rules: Rule[], rulesBucketConstructionStateList: RulesBucketConstructionState[]): void; + private GetRuleBucketIndex(row, column); + private FillRule(rule, rulesBucketConstructionStateList); + GetRule(context: FormattingContext): Rule; + } + enum RulesPosition { + IgnoreRulesSpecific = 0, + IgnoreRulesAny, + ContextRulesSpecific, + ContextRulesAny, + NoContextRulesSpecific, + NoContextRulesAny, + } + class RulesBucketConstructionState { + private rulesInsertionIndexBitmap; + constructor(); + GetInsertionIndex(maskPosition: RulesPosition): number; + IncreaseInsertionIndex(maskPosition: RulesPosition): void; + } + class RulesBucket { + private rules; + constructor(); + Rules(): Rule[]; + AddRule(rule: Rule, specificTokens: boolean, constructionState: RulesBucketConstructionState[], rulesBucketIndex: number): void; } - type IndentStyle = IndentStyle.None | IndentStyle.Block | IndentStyle.Smart; - interface EditorSettings { - baseIndentSize?: number; - indentSize?: number; - tabSize?: number; - newLineCharacter?: string; - convertTabsToSpaces?: boolean; - indentStyle?: IndentStyle | ts.IndentStyle; +} +declare namespace ts.formatting { + namespace Shared { + interface ITokenAccess { + GetTokens(): SyntaxKind[]; + Contains(token: SyntaxKind): boolean; + } + class TokenRangeAccess implements ITokenAccess { + private tokens; + constructor(from: SyntaxKind, to: SyntaxKind, except: SyntaxKind[]); + GetTokens(): SyntaxKind[]; + Contains(token: SyntaxKind): boolean; + } + class TokenValuesAccess implements ITokenAccess { + private tokens; + constructor(tks: SyntaxKind[]); + GetTokens(): SyntaxKind[]; + Contains(token: SyntaxKind): boolean; + } + class TokenSingleValueAccess implements ITokenAccess { + token: SyntaxKind; + constructor(token: SyntaxKind); + GetTokens(): SyntaxKind[]; + Contains(tokenValue: SyntaxKind): boolean; + } + class TokenAllAccess implements ITokenAccess { + GetTokens(): SyntaxKind[]; + Contains(): boolean; + toString(): string; + } + class TokenRange { + tokenAccess: ITokenAccess; + constructor(tokenAccess: ITokenAccess); + static FromToken(token: SyntaxKind): TokenRange; + static FromTokens(tokens: SyntaxKind[]): TokenRange; + static FromRange(f: SyntaxKind, to: SyntaxKind, except?: SyntaxKind[]): TokenRange; + static AllTokens(): TokenRange; + GetTokens(): SyntaxKind[]; + Contains(token: SyntaxKind): boolean; + toString(): string; + static Any: TokenRange; + static AnyIncludingMultilineComments: TokenRange; + static Keywords: TokenRange; + static BinaryOperators: TokenRange; + static BinaryKeywordOperators: TokenRange; + static UnaryPrefixOperators: TokenRange; + static UnaryPrefixExpressions: TokenRange; + static UnaryPreincrementExpressions: TokenRange; + static UnaryPostincrementExpressions: TokenRange; + static UnaryPredecrementExpressions: TokenRange; + static UnaryPostdecrementExpressions: TokenRange; + static Comments: TokenRange; + static TypeNames: TokenRange; + } } - interface FormatCodeSettings extends EditorSettings { - insertSpaceAfterCommaDelimiter?: boolean; - insertSpaceAfterSemicolonInForStatements?: boolean; - insertSpaceBeforeAndAfterBinaryOperators?: boolean; - insertSpaceAfterKeywordsInControlFlowStatements?: boolean; - insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean; - insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean; - insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean; - insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean; - placeOpenBraceOnNewLineForFunctions?: boolean; - placeOpenBraceOnNewLineForControlBlocks?: boolean; +} +declare namespace ts.formatting { + class RulesProvider { + private globalRules; + private options; + private activeRules; + private rulesMap; + constructor(); + getRuleName(rule: Rule): string; + getRuleByName(name: string): Rule; + getRulesMap(): RulesMap; + ensureUpToDate(options: ts.FormatCodeSettings): void; + private createActiveRules(options); } - interface CompilerOptions { - allowJs?: boolean; - allowSyntheticDefaultImports?: boolean; - allowUnreachableCode?: boolean; - allowUnusedLabels?: boolean; - baseUrl?: string; - charset?: string; - declaration?: boolean; - declarationDir?: string; - disableSizeLimit?: boolean; - emitBOM?: boolean; - emitDecoratorMetadata?: boolean; - experimentalDecorators?: boolean; - forceConsistentCasingInFileNames?: boolean; - inlineSourceMap?: boolean; - inlineSources?: boolean; - isolatedModules?: boolean; - jsx?: JsxEmit | ts.JsxEmit; - lib?: string[]; - locale?: string; - mapRoot?: string; - maxNodeModuleJsDepth?: number; - module?: ModuleKind | ts.ModuleKind; - moduleResolution?: ModuleResolutionKind | ts.ModuleResolutionKind; - newLine?: NewLineKind | ts.NewLineKind; - noEmit?: boolean; - noEmitHelpers?: boolean; - noEmitOnError?: boolean; - noErrorTruncation?: boolean; - noFallthroughCasesInSwitch?: boolean; - noImplicitAny?: boolean; - noImplicitReturns?: boolean; - noImplicitThis?: boolean; - noUnusedLocals?: boolean; - noUnusedParameters?: boolean; - noImplicitUseStrict?: boolean; - noLib?: boolean; - noResolve?: boolean; - out?: string; - outDir?: string; - outFile?: string; - paths?: MapLike; - preserveConstEnums?: boolean; - project?: string; - reactNamespace?: string; - removeComments?: boolean; - rootDir?: string; - rootDirs?: string[]; - skipLibCheck?: boolean; - skipDefaultLibCheck?: boolean; - sourceMap?: boolean; - sourceRoot?: string; - strictNullChecks?: boolean; - suppressExcessPropertyErrors?: boolean; - suppressImplicitAnyIndexErrors?: boolean; - target?: ScriptTarget | ts.ScriptTarget; - traceResolution?: boolean; - types?: string[]; - typeRoots?: string[]; - [option: string]: CompilerOptionsValue | undefined; +} +declare namespace ts.formatting { + interface TextRangeWithKind extends TextRange { + kind: SyntaxKind; } - namespace JsxEmit { - type None = "None"; - type Preserve = "Preserve"; - type React = "React"; + interface TokenInfo { + leadingTrivia: TextRangeWithKind[]; + token: TextRangeWithKind; + trailingTrivia: TextRangeWithKind[]; + } + function formatOnEnter(position: number, sourceFile: SourceFile, rulesProvider: RulesProvider, options: FormatCodeSettings): TextChange[]; + function formatOnSemicolon(position: number, sourceFile: SourceFile, rulesProvider: RulesProvider, options: FormatCodeSettings): TextChange[]; + function formatOnClosingCurly(position: number, sourceFile: SourceFile, rulesProvider: RulesProvider, options: FormatCodeSettings): TextChange[]; + function formatDocument(sourceFile: SourceFile, rulesProvider: RulesProvider, options: FormatCodeSettings): TextChange[]; + function formatSelection(start: number, end: number, sourceFile: SourceFile, rulesProvider: RulesProvider, options: FormatCodeSettings): TextChange[]; + function getIndentationString(indentation: number, options: EditorSettings): string; +} +declare namespace ts.formatting { + namespace SmartIndenter { + function getIndentation(position: number, sourceFile: SourceFile, options: EditorSettings): number; + function getIndentationForNode(n: Node, ignoreActualIndentationRange: TextRange, sourceFile: SourceFile, options: EditorSettings): number; + function getBaseIndentation(options: EditorSettings): number; + function childStartsOnTheSameLineWithElseInIfStatement(parent: Node, child: TextRangeWithKind, childStartLine: number, sourceFile: SourceFile): boolean; + function findFirstNonWhitespaceCharacterAndColumn(startPos: number, endPos: number, sourceFile: SourceFile, options: EditorSettings): { + column: number; + character: number; + }; + function findFirstNonWhitespaceColumn(startPos: number, endPos: number, sourceFile: SourceFile, options: EditorSettings): number; + function nodeWillIndentChild(parent: TextRangeWithKind, child: TextRangeWithKind, indentByDefault: boolean): boolean; + function shouldIndentChildNode(parent: TextRangeWithKind, child?: TextRangeWithKind): boolean; } - type JsxEmit = JsxEmit.None | JsxEmit.Preserve | JsxEmit.React; - namespace ModuleKind { - type None = "None"; - type CommonJS = "CommonJS"; - type AMD = "AMD"; - type UMD = "UMD"; - type System = "System"; - type ES6 = "ES6"; - type ES2015 = "ES2015"; +} +declare namespace ts { + interface CodeFix { + errorCodes: number[]; + getCodeActions(context: CodeFixContext): CodeAction[] | undefined; } - type ModuleKind = ModuleKind.None | ModuleKind.CommonJS | ModuleKind.AMD | ModuleKind.UMD | ModuleKind.System | ModuleKind.ES6 | ModuleKind.ES2015; - namespace ModuleResolutionKind { - type Classic = "Classic"; - type Node = "Node"; + interface CodeFixContext { + errorCode: number; + sourceFile: SourceFile; + span: TextSpan; + program: Program; + newLineCharacter: string; } - type ModuleResolutionKind = ModuleResolutionKind.Classic | ModuleResolutionKind.Node; - namespace NewLineKind { - type Crlf = "Crlf"; - type Lf = "Lf"; + namespace codefix { + function registerCodeFix(action: CodeFix): void; + function getSupportedErrorCodes(): string[]; + function getFixes(context: CodeFixContext): CodeAction[]; } - type NewLineKind = NewLineKind.Crlf | NewLineKind.Lf; - namespace ScriptTarget { - type ES3 = "ES3"; - type ES5 = "ES5"; - type ES6 = "ES6"; - type ES2015 = "ES2015"; +} +declare namespace ts.codefix { +} +declare namespace ts { + const servicesVersion = "0.5"; + interface DisplayPartsSymbolWriter extends SymbolWriter { + displayParts(): SymbolDisplayPart[]; } - type ScriptTarget = ScriptTarget.ES3 | ScriptTarget.ES5 | ScriptTarget.ES6 | ScriptTarget.ES2015; + function toEditorSettings(options: FormatCodeOptions | FormatCodeSettings): FormatCodeSettings; + function toEditorSettings(options: EditorOptions | EditorSettings): EditorSettings; + function displayPartsToString(displayParts: SymbolDisplayPart[]): string; + function getDefaultCompilerOptions(): CompilerOptions; + function getSupportedCodeFixes(): string[]; + function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTarget: ScriptTarget, version: string, setNodeParents: boolean, scriptKind?: ScriptKind): SourceFile; + let disableIncrementalParsing: boolean; + function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; + function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry): LanguageService; + function getNameTable(sourceFile: SourceFile): Map; + function getDefaultLibFilePath(options: CompilerOptions): string; } declare namespace ts.server { class ScriptInfo { @@ -3583,10 +10568,13 @@ declare namespace ts.server { private readonly resolvedModuleNames; private readonly resolvedTypeReferenceDirectives; private readonly getCanonicalFileName; + private filesWithChangedSetOfUnresolvedImports; private readonly resolveModuleName; readonly trace: (s: string) => void; constructor(host: ServerHost, project: Project, cancellationToken: HostCancellationToken); - private resolveNamesWithLocalCache(names, containingFile, cache, loader, getResult); + startRecordingFilesWithChangedResolutions(): void; + finishRecordingFilesWithChangedResolutions(): Path[]; + private resolveNamesWithLocalCache(names, containingFile, cache, loader, getResult, logChanges); getProjectVersion(): string; getCompilationSettings(): CompilerOptions; useCaseSensitiveFileNames(): boolean; @@ -3612,22 +10600,19 @@ declare namespace ts.server { } declare namespace ts.server { interface ITypingsInstaller { - enqueueInstallTypingsRequest(p: Project, typingOptions: TypingOptions): void; + enqueueInstallTypingsRequest(p: Project, typingOptions: TypingOptions, unresolvedImports: SortedReadonlyArray): void; attach(projectService: ProjectService): void; onProjectClosed(p: Project): void; readonly globalTypingsCacheLocation: string; } const nullTypingsInstaller: ITypingsInstaller; - interface TypingsArray extends ReadonlyArray { - " __typingsArrayBrand": any; - } class TypingsCache { private readonly installer; private readonly perProjectCache; constructor(installer: ITypingsInstaller); - getTypingsForProject(project: Project, forceRefresh: boolean): TypingsArray; - invalidateCachedTypingsForProject(project: Project): void; - updateTypingsForProject(projectName: string, compilerOptions: CompilerOptions, typingOptions: TypingOptions, newTypings: string[]): void; + getTypingsForProject(project: Project, unresolvedImports: SortedReadonlyArray, forceRefresh: boolean): SortedReadonlyArray; + updateTypingsForProject(projectName: string, compilerOptions: CompilerOptions, typingOptions: TypingOptions, unresolvedImports: SortedReadonlyArray, newTypings: string[]): void; + deleteTypingsForProject(projectName: string): void; onProjectClosed(project: Project): void; } } @@ -3663,6 +10648,15 @@ declare namespace ts.server { interface ProjectFilesWithTSDiagnostics extends protocol.ProjectFiles { projectErrors: Diagnostic[]; } + class UnresolvedImportsMap { + readonly perFileMap: FileMap>; + private version; + clear(): void; + getVersion(): number; + remove(path: Path): void; + get(path: Path): ReadonlyArray; + set(path: Path, value: ReadonlyArray): void; + } abstract class Project { readonly projectKind: ProjectKind; readonly projectService: ProjectService; @@ -3674,6 +10668,8 @@ declare namespace ts.server { private rootFilesMap; private lsHost; private program; + private cachedUnresolvedImportsPerFile; + private lastCachedUnresolvedImportsList; private languageService; builder: Builder; private lastReportedFileNames; @@ -3685,6 +10681,7 @@ declare namespace ts.server { typesVersion: number; isNonTsProject(): boolean; isJsOnlyProject(): boolean; + getCachedUnresolvedImportsPerFile_TestOnly(): UnresolvedImportsMap; constructor(projectKind: ProjectKind, projectService: ProjectService, documentRegistry: ts.DocumentRegistry, hasExplicitListOfFiles: boolean, languageServiceEnabled: boolean, compilerOptions: CompilerOptions, compileOnSaveEnabled: boolean); getProjectErrors(): Diagnostic[]; getLanguageService(ensureSynchronized?: boolean): LanguageService; @@ -3713,6 +10710,7 @@ declare namespace ts.server { addRoot(info: ScriptInfo): void; removeFile(info: ScriptInfo, detachFromProject?: boolean): void; markAsDirty(): void; + private extractUnresolvedImportsFromSourceFile(file, result); updateGraph(): boolean; private setTypings(typings); private updateGraphWorker(); @@ -4193,3 +11191,178 @@ declare namespace ts.server { lineCount(): number; } } +declare let debugObjectHost: any; +declare namespace ts { + interface ScriptSnapshotShim { + getText(start: number, end: number): string; + getLength(): number; + getChangeRange(oldSnapshot: ScriptSnapshotShim): string; + dispose?(): void; + } + interface Logger { + log(s: string): void; + trace(s: string): void; + error(s: string): void; + } + interface LanguageServiceShimHost extends Logger { + getCompilationSettings(): string; + getScriptFileNames(): string; + getScriptKind?(fileName: string): ScriptKind; + getScriptVersion(fileName: string): string; + getScriptSnapshot(fileName: string): ScriptSnapshotShim; + getLocalizedDiagnosticMessages(): string; + getCancellationToken(): HostCancellationToken; + getCurrentDirectory(): string; + getDirectories(path: string): string; + getDefaultLibFileName(options: string): string; + getNewLine?(): string; + getProjectVersion?(): string; + useCaseSensitiveFileNames?(): boolean; + getTypeRootsVersion?(): number; + readDirectory(rootDir: string, extension: string, basePaths?: string, excludeEx?: string, includeFileEx?: string, includeDirEx?: string, depth?: number): string; + readFile(path: string, encoding?: string): string; + fileExists(path: string): boolean; + getModuleResolutionsForFile?(fileName: string): string; + getTypeReferenceDirectiveResolutionsForFile?(fileName: string): string; + directoryExists(directoryName: string): boolean; + } + interface CoreServicesShimHost extends Logger { + directoryExists(directoryName: string): boolean; + fileExists(fileName: string): boolean; + getCurrentDirectory(): string; + getDirectories(path: string): string; + readDirectory(rootDir: string, extension: string, basePaths?: string, excludeEx?: string, includeFileEx?: string, includeDirEx?: string, depth?: number): string; + readFile(fileName: string): string; + realpath?(path: string): string; + trace(s: string): void; + useCaseSensitiveFileNames?(): boolean; + } + interface IFileReference { + path: string; + position: number; + length: number; + } + interface ShimFactory { + registerShim(shim: Shim): void; + unregisterShim(shim: Shim): void; + } + interface Shim { + dispose(_dummy: any): void; + } + interface LanguageServiceShim extends Shim { + languageService: LanguageService; + dispose(_dummy: any): void; + refresh(throwOnError: boolean): void; + cleanupSemanticCache(): void; + getSyntacticDiagnostics(fileName: string): string; + getSemanticDiagnostics(fileName: string): string; + getCompilerOptionsDiagnostics(): string; + getSyntacticClassifications(fileName: string, start: number, length: number): string; + getSemanticClassifications(fileName: string, start: number, length: number): string; + getEncodedSyntacticClassifications(fileName: string, start: number, length: number): string; + getEncodedSemanticClassifications(fileName: string, start: number, length: number): string; + getCompletionsAtPosition(fileName: string, position: number): string; + getCompletionEntryDetails(fileName: string, position: number, entryName: string): string; + getQuickInfoAtPosition(fileName: string, position: number): string; + getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): string; + getBreakpointStatementAtPosition(fileName: string, position: number): string; + getSignatureHelpItems(fileName: string, position: number): string; + getRenameInfo(fileName: string, position: number): string; + findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): string; + getDefinitionAtPosition(fileName: string, position: number): string; + getTypeDefinitionAtPosition(fileName: string, position: number): string; + getImplementationAtPosition(fileName: string, position: number): string; + getReferencesAtPosition(fileName: string, position: number): string; + findReferences(fileName: string, position: number): string; + getOccurrencesAtPosition(fileName: string, position: number): string; + getDocumentHighlights(fileName: string, position: number, filesToSearch: string): string; + getNavigateToItems(searchValue: string, maxResultCount?: number, fileName?: string): string; + getNavigationBarItems(fileName: string): string; + getNavigationTree(fileName: string): string; + getOutliningSpans(fileName: string): string; + getTodoComments(fileName: string, todoCommentDescriptors: string): string; + getBraceMatchingAtPosition(fileName: string, position: number): string; + getIndentationAtPosition(fileName: string, position: number, options: string): string; + getFormattingEditsForRange(fileName: string, start: number, end: number, options: string): string; + getFormattingEditsForDocument(fileName: string, options: string): string; + getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: string): string; + getDocCommentTemplateAtPosition(fileName: string, position: number): string; + isValidBraceCompletionAtPosition(fileName: string, position: number, openingBrace: number): string; + getEmitOutput(fileName: string): string; + getEmitOutputObject(fileName: string): EmitOutput; + } + interface ClassifierShim extends Shim { + getEncodedLexicalClassifications(text: string, lexState: EndOfLineState, syntacticClassifierAbsent?: boolean): string; + getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent?: boolean): string; + } + interface CoreServicesShim extends Shim { + getAutomaticTypeDirectiveNames(compilerOptionsJson: string): string; + getPreProcessedFileInfo(fileName: string, sourceText: IScriptSnapshot): string; + getTSConfigFileInfo(fileName: string, sourceText: IScriptSnapshot): string; + getDefaultCompilationSettings(): string; + discoverTypings(discoverTypingsJson: string): string; + } + class LanguageServiceShimHostAdapter implements LanguageServiceHost { + private shimHost; + private files; + private loggingEnabled; + private tracingEnabled; + resolveModuleNames: (moduleName: string[], containingFile: string) => ResolvedModule[]; + resolveTypeReferenceDirectives: (typeDirectiveNames: string[], containingFile: string) => ResolvedTypeReferenceDirective[]; + directoryExists: (directoryName: string) => boolean; + constructor(shimHost: LanguageServiceShimHost); + log(s: string): void; + trace(s: string): void; + error(s: string): void; + getProjectVersion(): string; + getTypeRootsVersion(): number; + useCaseSensitiveFileNames(): boolean; + getCompilationSettings(): CompilerOptions; + getScriptFileNames(): string[]; + getScriptSnapshot(fileName: string): IScriptSnapshot; + getScriptKind(fileName: string): ScriptKind; + getScriptVersion(fileName: string): string; + getLocalizedDiagnosticMessages(): any; + getCancellationToken(): HostCancellationToken; + getCurrentDirectory(): string; + getDirectories(path: string): string[]; + getDefaultLibFileName(options: CompilerOptions): string; + readDirectory(path: string, extensions?: string[], exclude?: string[], include?: string[], depth?: number): string[]; + readFile(path: string, encoding?: string): string; + fileExists(path: string): boolean; + } + class CoreServicesShimHostAdapter implements ParseConfigHost, ModuleResolutionHost { + private shimHost; + directoryExists: (directoryName: string) => boolean; + realpath: (path: string) => string; + useCaseSensitiveFileNames: boolean; + constructor(shimHost: CoreServicesShimHost); + readDirectory(rootDir: string, extensions: string[], exclude: string[], include: string[], depth?: number): string[]; + fileExists(fileName: string): boolean; + readFile(fileName: string): string; + private readDirectoryFallback(rootDir, extension, exclude); + getDirectories(path: string): string[]; + } + function realizeDiagnostics(diagnostics: Diagnostic[], newLine: string): { + message: string; + start: number; + length: number; + category: string; + code: number; + }[]; + class TypeScriptServicesFactory implements ShimFactory { + private _shims; + private documentRegistry; + getServicesVersion(): string; + createLanguageServiceShim(host: LanguageServiceShimHost): LanguageServiceShim; + createClassifierShim(logger: Logger): ClassifierShim; + createCoreServicesShim(host: CoreServicesShimHost): CoreServicesShim; + close(): void; + registerShim(shim: Shim): void; + unregisterShim(shim: Shim): void; + } +} +declare namespace TypeScript.Services { + const TypeScriptServicesFactory: typeof ts.TypeScriptServicesFactory; +} +declare const toolsVersion = "2.1"; diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js index 0a476fd3ed142..5043367fa03ac 100644 --- a/lib/tsserverlibrary.js +++ b/lib/tsserverlibrary.js @@ -20,418 +20,6 @@ var __extends = (this && this.__extends) || function (d, b) { }; var ts; (function (ts) { - (function (SyntaxKind) { - SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; - SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; - SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; - SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; - SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; - SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; - SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; - SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; - SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; - SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; - SyntaxKind[SyntaxKind["JsxText"] = 10] = "JsxText"; - SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 11] = "RegularExpressionLiteral"; - SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 12] = "NoSubstitutionTemplateLiteral"; - SyntaxKind[SyntaxKind["TemplateHead"] = 13] = "TemplateHead"; - SyntaxKind[SyntaxKind["TemplateMiddle"] = 14] = "TemplateMiddle"; - SyntaxKind[SyntaxKind["TemplateTail"] = 15] = "TemplateTail"; - SyntaxKind[SyntaxKind["OpenBraceToken"] = 16] = "OpenBraceToken"; - SyntaxKind[SyntaxKind["CloseBraceToken"] = 17] = "CloseBraceToken"; - SyntaxKind[SyntaxKind["OpenParenToken"] = 18] = "OpenParenToken"; - SyntaxKind[SyntaxKind["CloseParenToken"] = 19] = "CloseParenToken"; - SyntaxKind[SyntaxKind["OpenBracketToken"] = 20] = "OpenBracketToken"; - SyntaxKind[SyntaxKind["CloseBracketToken"] = 21] = "CloseBracketToken"; - SyntaxKind[SyntaxKind["DotToken"] = 22] = "DotToken"; - SyntaxKind[SyntaxKind["DotDotDotToken"] = 23] = "DotDotDotToken"; - SyntaxKind[SyntaxKind["SemicolonToken"] = 24] = "SemicolonToken"; - SyntaxKind[SyntaxKind["CommaToken"] = 25] = "CommaToken"; - SyntaxKind[SyntaxKind["LessThanToken"] = 26] = "LessThanToken"; - SyntaxKind[SyntaxKind["LessThanSlashToken"] = 27] = "LessThanSlashToken"; - SyntaxKind[SyntaxKind["GreaterThanToken"] = 28] = "GreaterThanToken"; - SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 29] = "LessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 30] = "GreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 31] = "EqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 32] = "ExclamationEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 33] = "EqualsEqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 34] = "ExclamationEqualsEqualsToken"; - SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 35] = "EqualsGreaterThanToken"; - SyntaxKind[SyntaxKind["PlusToken"] = 36] = "PlusToken"; - SyntaxKind[SyntaxKind["MinusToken"] = 37] = "MinusToken"; - SyntaxKind[SyntaxKind["AsteriskToken"] = 38] = "AsteriskToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 39] = "AsteriskAsteriskToken"; - SyntaxKind[SyntaxKind["SlashToken"] = 40] = "SlashToken"; - SyntaxKind[SyntaxKind["PercentToken"] = 41] = "PercentToken"; - SyntaxKind[SyntaxKind["PlusPlusToken"] = 42] = "PlusPlusToken"; - SyntaxKind[SyntaxKind["MinusMinusToken"] = 43] = "MinusMinusToken"; - SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 44] = "LessThanLessThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 46] = "GreaterThanGreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["AmpersandToken"] = 47] = "AmpersandToken"; - SyntaxKind[SyntaxKind["BarToken"] = 48] = "BarToken"; - SyntaxKind[SyntaxKind["CaretToken"] = 49] = "CaretToken"; - SyntaxKind[SyntaxKind["ExclamationToken"] = 50] = "ExclamationToken"; - SyntaxKind[SyntaxKind["TildeToken"] = 51] = "TildeToken"; - SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 52] = "AmpersandAmpersandToken"; - SyntaxKind[SyntaxKind["BarBarToken"] = 53] = "BarBarToken"; - SyntaxKind[SyntaxKind["QuestionToken"] = 54] = "QuestionToken"; - SyntaxKind[SyntaxKind["ColonToken"] = 55] = "ColonToken"; - SyntaxKind[SyntaxKind["AtToken"] = 56] = "AtToken"; - SyntaxKind[SyntaxKind["EqualsToken"] = 57] = "EqualsToken"; - SyntaxKind[SyntaxKind["PlusEqualsToken"] = 58] = "PlusEqualsToken"; - SyntaxKind[SyntaxKind["MinusEqualsToken"] = 59] = "MinusEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 60] = "AsteriskEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 61] = "AsteriskAsteriskEqualsToken"; - SyntaxKind[SyntaxKind["SlashEqualsToken"] = 62] = "SlashEqualsToken"; - SyntaxKind[SyntaxKind["PercentEqualsToken"] = 63] = "PercentEqualsToken"; - SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 64] = "LessThanLessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 66] = "GreaterThanGreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 67] = "AmpersandEqualsToken"; - SyntaxKind[SyntaxKind["BarEqualsToken"] = 68] = "BarEqualsToken"; - SyntaxKind[SyntaxKind["CaretEqualsToken"] = 69] = "CaretEqualsToken"; - SyntaxKind[SyntaxKind["Identifier"] = 70] = "Identifier"; - SyntaxKind[SyntaxKind["BreakKeyword"] = 71] = "BreakKeyword"; - SyntaxKind[SyntaxKind["CaseKeyword"] = 72] = "CaseKeyword"; - SyntaxKind[SyntaxKind["CatchKeyword"] = 73] = "CatchKeyword"; - SyntaxKind[SyntaxKind["ClassKeyword"] = 74] = "ClassKeyword"; - SyntaxKind[SyntaxKind["ConstKeyword"] = 75] = "ConstKeyword"; - SyntaxKind[SyntaxKind["ContinueKeyword"] = 76] = "ContinueKeyword"; - SyntaxKind[SyntaxKind["DebuggerKeyword"] = 77] = "DebuggerKeyword"; - SyntaxKind[SyntaxKind["DefaultKeyword"] = 78] = "DefaultKeyword"; - SyntaxKind[SyntaxKind["DeleteKeyword"] = 79] = "DeleteKeyword"; - SyntaxKind[SyntaxKind["DoKeyword"] = 80] = "DoKeyword"; - SyntaxKind[SyntaxKind["ElseKeyword"] = 81] = "ElseKeyword"; - SyntaxKind[SyntaxKind["EnumKeyword"] = 82] = "EnumKeyword"; - SyntaxKind[SyntaxKind["ExportKeyword"] = 83] = "ExportKeyword"; - SyntaxKind[SyntaxKind["ExtendsKeyword"] = 84] = "ExtendsKeyword"; - SyntaxKind[SyntaxKind["FalseKeyword"] = 85] = "FalseKeyword"; - SyntaxKind[SyntaxKind["FinallyKeyword"] = 86] = "FinallyKeyword"; - SyntaxKind[SyntaxKind["ForKeyword"] = 87] = "ForKeyword"; - SyntaxKind[SyntaxKind["FunctionKeyword"] = 88] = "FunctionKeyword"; - SyntaxKind[SyntaxKind["IfKeyword"] = 89] = "IfKeyword"; - SyntaxKind[SyntaxKind["ImportKeyword"] = 90] = "ImportKeyword"; - SyntaxKind[SyntaxKind["InKeyword"] = 91] = "InKeyword"; - SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 92] = "InstanceOfKeyword"; - SyntaxKind[SyntaxKind["NewKeyword"] = 93] = "NewKeyword"; - SyntaxKind[SyntaxKind["NullKeyword"] = 94] = "NullKeyword"; - SyntaxKind[SyntaxKind["ReturnKeyword"] = 95] = "ReturnKeyword"; - SyntaxKind[SyntaxKind["SuperKeyword"] = 96] = "SuperKeyword"; - SyntaxKind[SyntaxKind["SwitchKeyword"] = 97] = "SwitchKeyword"; - SyntaxKind[SyntaxKind["ThisKeyword"] = 98] = "ThisKeyword"; - SyntaxKind[SyntaxKind["ThrowKeyword"] = 99] = "ThrowKeyword"; - SyntaxKind[SyntaxKind["TrueKeyword"] = 100] = "TrueKeyword"; - SyntaxKind[SyntaxKind["TryKeyword"] = 101] = "TryKeyword"; - SyntaxKind[SyntaxKind["TypeOfKeyword"] = 102] = "TypeOfKeyword"; - SyntaxKind[SyntaxKind["VarKeyword"] = 103] = "VarKeyword"; - SyntaxKind[SyntaxKind["VoidKeyword"] = 104] = "VoidKeyword"; - SyntaxKind[SyntaxKind["WhileKeyword"] = 105] = "WhileKeyword"; - SyntaxKind[SyntaxKind["WithKeyword"] = 106] = "WithKeyword"; - SyntaxKind[SyntaxKind["ImplementsKeyword"] = 107] = "ImplementsKeyword"; - SyntaxKind[SyntaxKind["InterfaceKeyword"] = 108] = "InterfaceKeyword"; - SyntaxKind[SyntaxKind["LetKeyword"] = 109] = "LetKeyword"; - SyntaxKind[SyntaxKind["PackageKeyword"] = 110] = "PackageKeyword"; - SyntaxKind[SyntaxKind["PrivateKeyword"] = 111] = "PrivateKeyword"; - SyntaxKind[SyntaxKind["ProtectedKeyword"] = 112] = "ProtectedKeyword"; - SyntaxKind[SyntaxKind["PublicKeyword"] = 113] = "PublicKeyword"; - SyntaxKind[SyntaxKind["StaticKeyword"] = 114] = "StaticKeyword"; - SyntaxKind[SyntaxKind["YieldKeyword"] = 115] = "YieldKeyword"; - SyntaxKind[SyntaxKind["AbstractKeyword"] = 116] = "AbstractKeyword"; - SyntaxKind[SyntaxKind["AsKeyword"] = 117] = "AsKeyword"; - SyntaxKind[SyntaxKind["AnyKeyword"] = 118] = "AnyKeyword"; - SyntaxKind[SyntaxKind["AsyncKeyword"] = 119] = "AsyncKeyword"; - SyntaxKind[SyntaxKind["AwaitKeyword"] = 120] = "AwaitKeyword"; - SyntaxKind[SyntaxKind["BooleanKeyword"] = 121] = "BooleanKeyword"; - SyntaxKind[SyntaxKind["ConstructorKeyword"] = 122] = "ConstructorKeyword"; - SyntaxKind[SyntaxKind["DeclareKeyword"] = 123] = "DeclareKeyword"; - SyntaxKind[SyntaxKind["GetKeyword"] = 124] = "GetKeyword"; - SyntaxKind[SyntaxKind["IsKeyword"] = 125] = "IsKeyword"; - SyntaxKind[SyntaxKind["ModuleKeyword"] = 126] = "ModuleKeyword"; - SyntaxKind[SyntaxKind["NamespaceKeyword"] = 127] = "NamespaceKeyword"; - SyntaxKind[SyntaxKind["NeverKeyword"] = 128] = "NeverKeyword"; - SyntaxKind[SyntaxKind["ReadonlyKeyword"] = 129] = "ReadonlyKeyword"; - SyntaxKind[SyntaxKind["RequireKeyword"] = 130] = "RequireKeyword"; - SyntaxKind[SyntaxKind["NumberKeyword"] = 131] = "NumberKeyword"; - SyntaxKind[SyntaxKind["SetKeyword"] = 132] = "SetKeyword"; - SyntaxKind[SyntaxKind["StringKeyword"] = 133] = "StringKeyword"; - SyntaxKind[SyntaxKind["SymbolKeyword"] = 134] = "SymbolKeyword"; - SyntaxKind[SyntaxKind["TypeKeyword"] = 135] = "TypeKeyword"; - SyntaxKind[SyntaxKind["UndefinedKeyword"] = 136] = "UndefinedKeyword"; - SyntaxKind[SyntaxKind["FromKeyword"] = 137] = "FromKeyword"; - SyntaxKind[SyntaxKind["GlobalKeyword"] = 138] = "GlobalKeyword"; - SyntaxKind[SyntaxKind["OfKeyword"] = 139] = "OfKeyword"; - SyntaxKind[SyntaxKind["QualifiedName"] = 140] = "QualifiedName"; - SyntaxKind[SyntaxKind["ComputedPropertyName"] = 141] = "ComputedPropertyName"; - SyntaxKind[SyntaxKind["TypeParameter"] = 142] = "TypeParameter"; - SyntaxKind[SyntaxKind["Parameter"] = 143] = "Parameter"; - SyntaxKind[SyntaxKind["Decorator"] = 144] = "Decorator"; - SyntaxKind[SyntaxKind["PropertySignature"] = 145] = "PropertySignature"; - SyntaxKind[SyntaxKind["PropertyDeclaration"] = 146] = "PropertyDeclaration"; - SyntaxKind[SyntaxKind["MethodSignature"] = 147] = "MethodSignature"; - SyntaxKind[SyntaxKind["MethodDeclaration"] = 148] = "MethodDeclaration"; - SyntaxKind[SyntaxKind["Constructor"] = 149] = "Constructor"; - SyntaxKind[SyntaxKind["GetAccessor"] = 150] = "GetAccessor"; - SyntaxKind[SyntaxKind["SetAccessor"] = 151] = "SetAccessor"; - SyntaxKind[SyntaxKind["CallSignature"] = 152] = "CallSignature"; - SyntaxKind[SyntaxKind["ConstructSignature"] = 153] = "ConstructSignature"; - SyntaxKind[SyntaxKind["IndexSignature"] = 154] = "IndexSignature"; - SyntaxKind[SyntaxKind["TypePredicate"] = 155] = "TypePredicate"; - SyntaxKind[SyntaxKind["TypeReference"] = 156] = "TypeReference"; - SyntaxKind[SyntaxKind["FunctionType"] = 157] = "FunctionType"; - SyntaxKind[SyntaxKind["ConstructorType"] = 158] = "ConstructorType"; - SyntaxKind[SyntaxKind["TypeQuery"] = 159] = "TypeQuery"; - SyntaxKind[SyntaxKind["TypeLiteral"] = 160] = "TypeLiteral"; - SyntaxKind[SyntaxKind["ArrayType"] = 161] = "ArrayType"; - SyntaxKind[SyntaxKind["TupleType"] = 162] = "TupleType"; - SyntaxKind[SyntaxKind["UnionType"] = 163] = "UnionType"; - SyntaxKind[SyntaxKind["IntersectionType"] = 164] = "IntersectionType"; - SyntaxKind[SyntaxKind["ParenthesizedType"] = 165] = "ParenthesizedType"; - SyntaxKind[SyntaxKind["ThisType"] = 166] = "ThisType"; - SyntaxKind[SyntaxKind["LiteralType"] = 167] = "LiteralType"; - SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 168] = "ObjectBindingPattern"; - SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 169] = "ArrayBindingPattern"; - SyntaxKind[SyntaxKind["BindingElement"] = 170] = "BindingElement"; - SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 171] = "ArrayLiteralExpression"; - SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 172] = "ObjectLiteralExpression"; - SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 173] = "PropertyAccessExpression"; - SyntaxKind[SyntaxKind["ElementAccessExpression"] = 174] = "ElementAccessExpression"; - SyntaxKind[SyntaxKind["CallExpression"] = 175] = "CallExpression"; - SyntaxKind[SyntaxKind["NewExpression"] = 176] = "NewExpression"; - SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 177] = "TaggedTemplateExpression"; - SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 178] = "TypeAssertionExpression"; - SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 179] = "ParenthesizedExpression"; - SyntaxKind[SyntaxKind["FunctionExpression"] = 180] = "FunctionExpression"; - SyntaxKind[SyntaxKind["ArrowFunction"] = 181] = "ArrowFunction"; - SyntaxKind[SyntaxKind["DeleteExpression"] = 182] = "DeleteExpression"; - SyntaxKind[SyntaxKind["TypeOfExpression"] = 183] = "TypeOfExpression"; - SyntaxKind[SyntaxKind["VoidExpression"] = 184] = "VoidExpression"; - SyntaxKind[SyntaxKind["AwaitExpression"] = 185] = "AwaitExpression"; - SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 186] = "PrefixUnaryExpression"; - SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 187] = "PostfixUnaryExpression"; - SyntaxKind[SyntaxKind["BinaryExpression"] = 188] = "BinaryExpression"; - SyntaxKind[SyntaxKind["ConditionalExpression"] = 189] = "ConditionalExpression"; - SyntaxKind[SyntaxKind["TemplateExpression"] = 190] = "TemplateExpression"; - SyntaxKind[SyntaxKind["YieldExpression"] = 191] = "YieldExpression"; - SyntaxKind[SyntaxKind["SpreadElementExpression"] = 192] = "SpreadElementExpression"; - SyntaxKind[SyntaxKind["ClassExpression"] = 193] = "ClassExpression"; - SyntaxKind[SyntaxKind["OmittedExpression"] = 194] = "OmittedExpression"; - SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 195] = "ExpressionWithTypeArguments"; - SyntaxKind[SyntaxKind["AsExpression"] = 196] = "AsExpression"; - SyntaxKind[SyntaxKind["NonNullExpression"] = 197] = "NonNullExpression"; - SyntaxKind[SyntaxKind["TemplateSpan"] = 198] = "TemplateSpan"; - SyntaxKind[SyntaxKind["SemicolonClassElement"] = 199] = "SemicolonClassElement"; - SyntaxKind[SyntaxKind["Block"] = 200] = "Block"; - SyntaxKind[SyntaxKind["VariableStatement"] = 201] = "VariableStatement"; - SyntaxKind[SyntaxKind["EmptyStatement"] = 202] = "EmptyStatement"; - SyntaxKind[SyntaxKind["ExpressionStatement"] = 203] = "ExpressionStatement"; - SyntaxKind[SyntaxKind["IfStatement"] = 204] = "IfStatement"; - SyntaxKind[SyntaxKind["DoStatement"] = 205] = "DoStatement"; - SyntaxKind[SyntaxKind["WhileStatement"] = 206] = "WhileStatement"; - SyntaxKind[SyntaxKind["ForStatement"] = 207] = "ForStatement"; - SyntaxKind[SyntaxKind["ForInStatement"] = 208] = "ForInStatement"; - SyntaxKind[SyntaxKind["ForOfStatement"] = 209] = "ForOfStatement"; - SyntaxKind[SyntaxKind["ContinueStatement"] = 210] = "ContinueStatement"; - SyntaxKind[SyntaxKind["BreakStatement"] = 211] = "BreakStatement"; - SyntaxKind[SyntaxKind["ReturnStatement"] = 212] = "ReturnStatement"; - SyntaxKind[SyntaxKind["WithStatement"] = 213] = "WithStatement"; - SyntaxKind[SyntaxKind["SwitchStatement"] = 214] = "SwitchStatement"; - SyntaxKind[SyntaxKind["LabeledStatement"] = 215] = "LabeledStatement"; - SyntaxKind[SyntaxKind["ThrowStatement"] = 216] = "ThrowStatement"; - SyntaxKind[SyntaxKind["TryStatement"] = 217] = "TryStatement"; - SyntaxKind[SyntaxKind["DebuggerStatement"] = 218] = "DebuggerStatement"; - SyntaxKind[SyntaxKind["VariableDeclaration"] = 219] = "VariableDeclaration"; - SyntaxKind[SyntaxKind["VariableDeclarationList"] = 220] = "VariableDeclarationList"; - SyntaxKind[SyntaxKind["FunctionDeclaration"] = 221] = "FunctionDeclaration"; - SyntaxKind[SyntaxKind["ClassDeclaration"] = 222] = "ClassDeclaration"; - SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 223] = "InterfaceDeclaration"; - SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 224] = "TypeAliasDeclaration"; - SyntaxKind[SyntaxKind["EnumDeclaration"] = 225] = "EnumDeclaration"; - SyntaxKind[SyntaxKind["ModuleDeclaration"] = 226] = "ModuleDeclaration"; - SyntaxKind[SyntaxKind["ModuleBlock"] = 227] = "ModuleBlock"; - SyntaxKind[SyntaxKind["CaseBlock"] = 228] = "CaseBlock"; - SyntaxKind[SyntaxKind["NamespaceExportDeclaration"] = 229] = "NamespaceExportDeclaration"; - SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 230] = "ImportEqualsDeclaration"; - SyntaxKind[SyntaxKind["ImportDeclaration"] = 231] = "ImportDeclaration"; - SyntaxKind[SyntaxKind["ImportClause"] = 232] = "ImportClause"; - SyntaxKind[SyntaxKind["NamespaceImport"] = 233] = "NamespaceImport"; - SyntaxKind[SyntaxKind["NamedImports"] = 234] = "NamedImports"; - SyntaxKind[SyntaxKind["ImportSpecifier"] = 235] = "ImportSpecifier"; - SyntaxKind[SyntaxKind["ExportAssignment"] = 236] = "ExportAssignment"; - SyntaxKind[SyntaxKind["ExportDeclaration"] = 237] = "ExportDeclaration"; - SyntaxKind[SyntaxKind["NamedExports"] = 238] = "NamedExports"; - SyntaxKind[SyntaxKind["ExportSpecifier"] = 239] = "ExportSpecifier"; - SyntaxKind[SyntaxKind["MissingDeclaration"] = 240] = "MissingDeclaration"; - SyntaxKind[SyntaxKind["ExternalModuleReference"] = 241] = "ExternalModuleReference"; - SyntaxKind[SyntaxKind["JsxElement"] = 242] = "JsxElement"; - SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 243] = "JsxSelfClosingElement"; - SyntaxKind[SyntaxKind["JsxOpeningElement"] = 244] = "JsxOpeningElement"; - SyntaxKind[SyntaxKind["JsxClosingElement"] = 245] = "JsxClosingElement"; - SyntaxKind[SyntaxKind["JsxAttribute"] = 246] = "JsxAttribute"; - SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 247] = "JsxSpreadAttribute"; - SyntaxKind[SyntaxKind["JsxExpression"] = 248] = "JsxExpression"; - SyntaxKind[SyntaxKind["CaseClause"] = 249] = "CaseClause"; - SyntaxKind[SyntaxKind["DefaultClause"] = 250] = "DefaultClause"; - SyntaxKind[SyntaxKind["HeritageClause"] = 251] = "HeritageClause"; - SyntaxKind[SyntaxKind["CatchClause"] = 252] = "CatchClause"; - SyntaxKind[SyntaxKind["PropertyAssignment"] = 253] = "PropertyAssignment"; - SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 254] = "ShorthandPropertyAssignment"; - SyntaxKind[SyntaxKind["EnumMember"] = 255] = "EnumMember"; - SyntaxKind[SyntaxKind["SourceFile"] = 256] = "SourceFile"; - SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 257] = "JSDocTypeExpression"; - SyntaxKind[SyntaxKind["JSDocAllType"] = 258] = "JSDocAllType"; - SyntaxKind[SyntaxKind["JSDocUnknownType"] = 259] = "JSDocUnknownType"; - SyntaxKind[SyntaxKind["JSDocArrayType"] = 260] = "JSDocArrayType"; - SyntaxKind[SyntaxKind["JSDocUnionType"] = 261] = "JSDocUnionType"; - SyntaxKind[SyntaxKind["JSDocTupleType"] = 262] = "JSDocTupleType"; - SyntaxKind[SyntaxKind["JSDocNullableType"] = 263] = "JSDocNullableType"; - SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 264] = "JSDocNonNullableType"; - SyntaxKind[SyntaxKind["JSDocRecordType"] = 265] = "JSDocRecordType"; - SyntaxKind[SyntaxKind["JSDocRecordMember"] = 266] = "JSDocRecordMember"; - SyntaxKind[SyntaxKind["JSDocTypeReference"] = 267] = "JSDocTypeReference"; - SyntaxKind[SyntaxKind["JSDocOptionalType"] = 268] = "JSDocOptionalType"; - SyntaxKind[SyntaxKind["JSDocFunctionType"] = 269] = "JSDocFunctionType"; - SyntaxKind[SyntaxKind["JSDocVariadicType"] = 270] = "JSDocVariadicType"; - SyntaxKind[SyntaxKind["JSDocConstructorType"] = 271] = "JSDocConstructorType"; - SyntaxKind[SyntaxKind["JSDocThisType"] = 272] = "JSDocThisType"; - SyntaxKind[SyntaxKind["JSDocComment"] = 273] = "JSDocComment"; - SyntaxKind[SyntaxKind["JSDocTag"] = 274] = "JSDocTag"; - SyntaxKind[SyntaxKind["JSDocParameterTag"] = 275] = "JSDocParameterTag"; - SyntaxKind[SyntaxKind["JSDocReturnTag"] = 276] = "JSDocReturnTag"; - SyntaxKind[SyntaxKind["JSDocTypeTag"] = 277] = "JSDocTypeTag"; - SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 278] = "JSDocTemplateTag"; - SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 279] = "JSDocTypedefTag"; - SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 280] = "JSDocPropertyTag"; - SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 281] = "JSDocTypeLiteral"; - SyntaxKind[SyntaxKind["JSDocLiteralType"] = 282] = "JSDocLiteralType"; - SyntaxKind[SyntaxKind["JSDocNullKeyword"] = 283] = "JSDocNullKeyword"; - SyntaxKind[SyntaxKind["JSDocUndefinedKeyword"] = 284] = "JSDocUndefinedKeyword"; - SyntaxKind[SyntaxKind["JSDocNeverKeyword"] = 285] = "JSDocNeverKeyword"; - SyntaxKind[SyntaxKind["SyntaxList"] = 286] = "SyntaxList"; - SyntaxKind[SyntaxKind["NotEmittedStatement"] = 287] = "NotEmittedStatement"; - SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 288] = "PartiallyEmittedExpression"; - SyntaxKind[SyntaxKind["Count"] = 289] = "Count"; - SyntaxKind[SyntaxKind["FirstAssignment"] = 57] = "FirstAssignment"; - SyntaxKind[SyntaxKind["LastAssignment"] = 69] = "LastAssignment"; - SyntaxKind[SyntaxKind["FirstCompoundAssignment"] = 58] = "FirstCompoundAssignment"; - SyntaxKind[SyntaxKind["LastCompoundAssignment"] = 69] = "LastCompoundAssignment"; - SyntaxKind[SyntaxKind["FirstReservedWord"] = 71] = "FirstReservedWord"; - SyntaxKind[SyntaxKind["LastReservedWord"] = 106] = "LastReservedWord"; - SyntaxKind[SyntaxKind["FirstKeyword"] = 71] = "FirstKeyword"; - SyntaxKind[SyntaxKind["LastKeyword"] = 139] = "LastKeyword"; - SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 107] = "FirstFutureReservedWord"; - SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 115] = "LastFutureReservedWord"; - SyntaxKind[SyntaxKind["FirstTypeNode"] = 155] = "FirstTypeNode"; - SyntaxKind[SyntaxKind["LastTypeNode"] = 167] = "LastTypeNode"; - SyntaxKind[SyntaxKind["FirstPunctuation"] = 16] = "FirstPunctuation"; - SyntaxKind[SyntaxKind["LastPunctuation"] = 69] = "LastPunctuation"; - SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; - SyntaxKind[SyntaxKind["LastToken"] = 139] = "LastToken"; - SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; - SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; - SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; - SyntaxKind[SyntaxKind["LastLiteralToken"] = 12] = "LastLiteralToken"; - SyntaxKind[SyntaxKind["FirstTemplateToken"] = 12] = "FirstTemplateToken"; - SyntaxKind[SyntaxKind["LastTemplateToken"] = 15] = "LastTemplateToken"; - SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 26] = "FirstBinaryOperator"; - SyntaxKind[SyntaxKind["LastBinaryOperator"] = 69] = "LastBinaryOperator"; - SyntaxKind[SyntaxKind["FirstNode"] = 140] = "FirstNode"; - SyntaxKind[SyntaxKind["FirstJSDocNode"] = 257] = "FirstJSDocNode"; - SyntaxKind[SyntaxKind["LastJSDocNode"] = 282] = "LastJSDocNode"; - SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 273] = "FirstJSDocTagNode"; - SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 285] = "LastJSDocTagNode"; - })(ts.SyntaxKind || (ts.SyntaxKind = {})); - var SyntaxKind = ts.SyntaxKind; - (function (NodeFlags) { - NodeFlags[NodeFlags["None"] = 0] = "None"; - NodeFlags[NodeFlags["Let"] = 1] = "Let"; - NodeFlags[NodeFlags["Const"] = 2] = "Const"; - NodeFlags[NodeFlags["NestedNamespace"] = 4] = "NestedNamespace"; - NodeFlags[NodeFlags["Synthesized"] = 8] = "Synthesized"; - NodeFlags[NodeFlags["Namespace"] = 16] = "Namespace"; - NodeFlags[NodeFlags["ExportContext"] = 32] = "ExportContext"; - NodeFlags[NodeFlags["ContainsThis"] = 64] = "ContainsThis"; - NodeFlags[NodeFlags["HasImplicitReturn"] = 128] = "HasImplicitReturn"; - NodeFlags[NodeFlags["HasExplicitReturn"] = 256] = "HasExplicitReturn"; - NodeFlags[NodeFlags["GlobalAugmentation"] = 512] = "GlobalAugmentation"; - NodeFlags[NodeFlags["HasClassExtends"] = 1024] = "HasClassExtends"; - NodeFlags[NodeFlags["HasDecorators"] = 2048] = "HasDecorators"; - NodeFlags[NodeFlags["HasParamDecorators"] = 4096] = "HasParamDecorators"; - NodeFlags[NodeFlags["HasAsyncFunctions"] = 8192] = "HasAsyncFunctions"; - NodeFlags[NodeFlags["HasJsxSpreadAttributes"] = 16384] = "HasJsxSpreadAttributes"; - NodeFlags[NodeFlags["DisallowInContext"] = 32768] = "DisallowInContext"; - NodeFlags[NodeFlags["YieldContext"] = 65536] = "YieldContext"; - NodeFlags[NodeFlags["DecoratorContext"] = 131072] = "DecoratorContext"; - NodeFlags[NodeFlags["AwaitContext"] = 262144] = "AwaitContext"; - NodeFlags[NodeFlags["ThisNodeHasError"] = 524288] = "ThisNodeHasError"; - NodeFlags[NodeFlags["JavaScriptFile"] = 1048576] = "JavaScriptFile"; - NodeFlags[NodeFlags["ThisNodeOrAnySubNodesHasError"] = 2097152] = "ThisNodeOrAnySubNodesHasError"; - NodeFlags[NodeFlags["HasAggregatedChildData"] = 4194304] = "HasAggregatedChildData"; - NodeFlags[NodeFlags["BlockScoped"] = 3] = "BlockScoped"; - NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 384] = "ReachabilityCheckFlags"; - NodeFlags[NodeFlags["EmitHelperFlags"] = 31744] = "EmitHelperFlags"; - NodeFlags[NodeFlags["ReachabilityAndEmitFlags"] = 32128] = "ReachabilityAndEmitFlags"; - NodeFlags[NodeFlags["ContextFlags"] = 1540096] = "ContextFlags"; - NodeFlags[NodeFlags["TypeExcludesFlags"] = 327680] = "TypeExcludesFlags"; - })(ts.NodeFlags || (ts.NodeFlags = {})); - var NodeFlags = ts.NodeFlags; - (function (ModifierFlags) { - ModifierFlags[ModifierFlags["None"] = 0] = "None"; - ModifierFlags[ModifierFlags["Export"] = 1] = "Export"; - ModifierFlags[ModifierFlags["Ambient"] = 2] = "Ambient"; - ModifierFlags[ModifierFlags["Public"] = 4] = "Public"; - ModifierFlags[ModifierFlags["Private"] = 8] = "Private"; - ModifierFlags[ModifierFlags["Protected"] = 16] = "Protected"; - ModifierFlags[ModifierFlags["Static"] = 32] = "Static"; - ModifierFlags[ModifierFlags["Readonly"] = 64] = "Readonly"; - ModifierFlags[ModifierFlags["Abstract"] = 128] = "Abstract"; - ModifierFlags[ModifierFlags["Async"] = 256] = "Async"; - ModifierFlags[ModifierFlags["Default"] = 512] = "Default"; - ModifierFlags[ModifierFlags["Const"] = 2048] = "Const"; - ModifierFlags[ModifierFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - ModifierFlags[ModifierFlags["AccessibilityModifier"] = 28] = "AccessibilityModifier"; - ModifierFlags[ModifierFlags["ParameterPropertyModifier"] = 92] = "ParameterPropertyModifier"; - ModifierFlags[ModifierFlags["NonPublicAccessibilityModifier"] = 24] = "NonPublicAccessibilityModifier"; - ModifierFlags[ModifierFlags["TypeScriptModifier"] = 2270] = "TypeScriptModifier"; - })(ts.ModifierFlags || (ts.ModifierFlags = {})); - var ModifierFlags = ts.ModifierFlags; - (function (JsxFlags) { - JsxFlags[JsxFlags["None"] = 0] = "None"; - JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; - JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; - JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; - })(ts.JsxFlags || (ts.JsxFlags = {})); - var JsxFlags = ts.JsxFlags; - (function (RelationComparisonResult) { - RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; - RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; - RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; - })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); - var RelationComparisonResult = ts.RelationComparisonResult; - (function (GeneratedIdentifierKind) { - GeneratedIdentifierKind[GeneratedIdentifierKind["None"] = 0] = "None"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Auto"] = 1] = "Auto"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Loop"] = 2] = "Loop"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Unique"] = 3] = "Unique"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Node"] = 4] = "Node"; - })(ts.GeneratedIdentifierKind || (ts.GeneratedIdentifierKind = {})); - var GeneratedIdentifierKind = ts.GeneratedIdentifierKind; - (function (FlowFlags) { - FlowFlags[FlowFlags["Unreachable"] = 1] = "Unreachable"; - FlowFlags[FlowFlags["Start"] = 2] = "Start"; - FlowFlags[FlowFlags["BranchLabel"] = 4] = "BranchLabel"; - FlowFlags[FlowFlags["LoopLabel"] = 8] = "LoopLabel"; - FlowFlags[FlowFlags["Assignment"] = 16] = "Assignment"; - FlowFlags[FlowFlags["TrueCondition"] = 32] = "TrueCondition"; - FlowFlags[FlowFlags["FalseCondition"] = 64] = "FalseCondition"; - FlowFlags[FlowFlags["SwitchClause"] = 128] = "SwitchClause"; - FlowFlags[FlowFlags["ArrayMutation"] = 256] = "ArrayMutation"; - FlowFlags[FlowFlags["Referenced"] = 512] = "Referenced"; - FlowFlags[FlowFlags["Shared"] = 1024] = "Shared"; - FlowFlags[FlowFlags["Label"] = 12] = "Label"; - FlowFlags[FlowFlags["Condition"] = 96] = "Condition"; - })(ts.FlowFlags || (ts.FlowFlags = {})); - var FlowFlags = ts.FlowFlags; var OperationCanceledException = (function () { function OperationCanceledException() { } @@ -444,38 +32,6 @@ var ts; ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; })(ts.ExitStatus || (ts.ExitStatus = {})); var ExitStatus = ts.ExitStatus; - (function (TypeFormatFlags) { - TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; - TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; - TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; - TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; - TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; - TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; - TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; - TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; - TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; - TypeFormatFlags[TypeFormatFlags["InFirstTypeArgument"] = 256] = "InFirstTypeArgument"; - TypeFormatFlags[TypeFormatFlags["InTypeAlias"] = 512] = "InTypeAlias"; - TypeFormatFlags[TypeFormatFlags["UseTypeAliasValue"] = 1024] = "UseTypeAliasValue"; - })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); - var TypeFormatFlags = ts.TypeFormatFlags; - (function (SymbolFormatFlags) { - SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; - SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; - SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; - })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); - var SymbolFormatFlags = ts.SymbolFormatFlags; - (function (SymbolAccessibility) { - SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; - SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; - SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; - })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); - var SymbolAccessibility = ts.SymbolAccessibility; - (function (TypePredicateKind) { - TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; - TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; - })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); - var TypePredicateKind = ts.TypePredicateKind; (function (TypeReferenceSerializationKind) { TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; @@ -490,166 +46,6 @@ var ts; TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 10] = "ObjectType"; })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (SymbolFlags) { - SymbolFlags[SymbolFlags["None"] = 0] = "None"; - SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; - SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; - SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; - SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; - SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; - SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; - SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; - SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; - SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; - SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; - SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; - SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; - SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; - SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; - SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; - SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; - SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; - SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; - SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; - SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; - SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; - SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; - SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; - SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; - SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; - SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; - SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; - SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; - SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; - SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; - SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; - SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; - SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; - SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; - SymbolFlags[SymbolFlags["Type"] = 793064] = "Type"; - SymbolFlags[SymbolFlags["Namespace"] = 1920] = "Namespace"; - SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; - SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; - SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; - SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; - SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; - SymbolFlags[SymbolFlags["PropertyExcludes"] = 0] = "PropertyExcludes"; - SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 900095] = "EnumMemberExcludes"; - SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; - SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; - SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792968] = "InterfaceExcludes"; - SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; - SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; - SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; - SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; - SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; - SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; - SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; - SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530920] = "TypeParameterExcludes"; - SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793064] = "TypeAliasExcludes"; - SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; - SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; - SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; - SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; - SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; - SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; - SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; - SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; - SymbolFlags[SymbolFlags["ClassMember"] = 106500] = "ClassMember"; - SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; - })(ts.SymbolFlags || (ts.SymbolFlags = {})); - var SymbolFlags = ts.SymbolFlags; - (function (NodeCheckFlags) { - NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; - NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; - NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; - NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; - NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; - NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; - NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; - NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; - NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; - NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; - NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; - NodeCheckFlags[NodeCheckFlags["AssignmentsMarked"] = 4194304] = "AssignmentsMarked"; - NodeCheckFlags[NodeCheckFlags["ClassWithConstructorReference"] = 8388608] = "ClassWithConstructorReference"; - NodeCheckFlags[NodeCheckFlags["ConstructorReferenceInClass"] = 16777216] = "ConstructorReferenceInClass"; - })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); - var NodeCheckFlags = ts.NodeCheckFlags; - (function (TypeFlags) { - TypeFlags[TypeFlags["Any"] = 1] = "Any"; - TypeFlags[TypeFlags["String"] = 2] = "String"; - TypeFlags[TypeFlags["Number"] = 4] = "Number"; - TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; - TypeFlags[TypeFlags["Enum"] = 16] = "Enum"; - TypeFlags[TypeFlags["StringLiteral"] = 32] = "StringLiteral"; - TypeFlags[TypeFlags["NumberLiteral"] = 64] = "NumberLiteral"; - TypeFlags[TypeFlags["BooleanLiteral"] = 128] = "BooleanLiteral"; - TypeFlags[TypeFlags["EnumLiteral"] = 256] = "EnumLiteral"; - TypeFlags[TypeFlags["ESSymbol"] = 512] = "ESSymbol"; - TypeFlags[TypeFlags["Void"] = 1024] = "Void"; - TypeFlags[TypeFlags["Undefined"] = 2048] = "Undefined"; - TypeFlags[TypeFlags["Null"] = 4096] = "Null"; - TypeFlags[TypeFlags["Never"] = 8192] = "Never"; - TypeFlags[TypeFlags["TypeParameter"] = 16384] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 32768] = "Class"; - TypeFlags[TypeFlags["Interface"] = 65536] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 131072] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 262144] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 524288] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 1048576] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 2097152] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 4194304] = "Instantiated"; - TypeFlags[TypeFlags["ObjectLiteral"] = 8388608] = "ObjectLiteral"; - TypeFlags[TypeFlags["FreshLiteral"] = 16777216] = "FreshLiteral"; - TypeFlags[TypeFlags["ContainsWideningType"] = 33554432] = "ContainsWideningType"; - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 67108864] = "ContainsObjectLiteral"; - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 134217728] = "ContainsAnyFunctionType"; - TypeFlags[TypeFlags["Nullable"] = 6144] = "Nullable"; - TypeFlags[TypeFlags["Literal"] = 480] = "Literal"; - TypeFlags[TypeFlags["StringOrNumberLiteral"] = 96] = "StringOrNumberLiteral"; - TypeFlags[TypeFlags["DefinitelyFalsy"] = 7392] = "DefinitelyFalsy"; - TypeFlags[TypeFlags["PossiblyFalsy"] = 7406] = "PossiblyFalsy"; - TypeFlags[TypeFlags["Intrinsic"] = 16015] = "Intrinsic"; - TypeFlags[TypeFlags["Primitive"] = 8190] = "Primitive"; - TypeFlags[TypeFlags["StringLike"] = 34] = "StringLike"; - TypeFlags[TypeFlags["NumberLike"] = 340] = "NumberLike"; - TypeFlags[TypeFlags["BooleanLike"] = 136] = "BooleanLike"; - TypeFlags[TypeFlags["EnumLike"] = 272] = "EnumLike"; - TypeFlags[TypeFlags["ObjectType"] = 2588672] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 1572864] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 4161536] = "StructuredType"; - TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 4177920] = "StructuredOrTypeParameter"; - TypeFlags[TypeFlags["Narrowable"] = 4178943] = "Narrowable"; - TypeFlags[TypeFlags["NotUnionOrUnit"] = 2589185] = "NotUnionOrUnit"; - TypeFlags[TypeFlags["RequiresWidening"] = 100663296] = "RequiresWidening"; - TypeFlags[TypeFlags["PropagatingFlags"] = 234881024] = "PropagatingFlags"; - })(ts.TypeFlags || (ts.TypeFlags = {})); - var TypeFlags = ts.TypeFlags; - (function (SignatureKind) { - SignatureKind[SignatureKind["Call"] = 0] = "Call"; - SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; - })(ts.SignatureKind || (ts.SignatureKind = {})); - var SignatureKind = ts.SignatureKind; - (function (IndexKind) { - IndexKind[IndexKind["String"] = 0] = "String"; - IndexKind[IndexKind["Number"] = 1] = "Number"; - })(ts.IndexKind || (ts.IndexKind = {})); - var IndexKind = ts.IndexKind; - (function (SpecialPropertyAssignmentKind) { - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; - })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); - var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; (function (DiagnosticCategory) { DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; @@ -670,264 +66,6 @@ var ts; ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; })(ts.ModuleKind || (ts.ModuleKind = {})); var ModuleKind = ts.ModuleKind; - (function (JsxEmit) { - JsxEmit[JsxEmit["None"] = 0] = "None"; - JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; - JsxEmit[JsxEmit["React"] = 2] = "React"; - })(ts.JsxEmit || (ts.JsxEmit = {})); - var JsxEmit = ts.JsxEmit; - (function (NewLineKind) { - NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; - NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; - })(ts.NewLineKind || (ts.NewLineKind = {})); - var NewLineKind = ts.NewLineKind; - (function (ScriptKind) { - ScriptKind[ScriptKind["Unknown"] = 0] = "Unknown"; - ScriptKind[ScriptKind["JS"] = 1] = "JS"; - ScriptKind[ScriptKind["JSX"] = 2] = "JSX"; - ScriptKind[ScriptKind["TS"] = 3] = "TS"; - ScriptKind[ScriptKind["TSX"] = 4] = "TSX"; - })(ts.ScriptKind || (ts.ScriptKind = {})); - var ScriptKind = ts.ScriptKind; - (function (ScriptTarget) { - ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; - ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; - ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; - ScriptTarget[ScriptTarget["ES2016"] = 3] = "ES2016"; - ScriptTarget[ScriptTarget["ES2017"] = 4] = "ES2017"; - ScriptTarget[ScriptTarget["Latest"] = 4] = "Latest"; - })(ts.ScriptTarget || (ts.ScriptTarget = {})); - var ScriptTarget = ts.ScriptTarget; - (function (LanguageVariant) { - LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; - LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; - })(ts.LanguageVariant || (ts.LanguageVariant = {})); - var LanguageVariant = ts.LanguageVariant; - (function (DiagnosticStyle) { - DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; - DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; - })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); - var DiagnosticStyle = ts.DiagnosticStyle; - (function (WatchDirectoryFlags) { - WatchDirectoryFlags[WatchDirectoryFlags["None"] = 0] = "None"; - WatchDirectoryFlags[WatchDirectoryFlags["Recursive"] = 1] = "Recursive"; - })(ts.WatchDirectoryFlags || (ts.WatchDirectoryFlags = {})); - var WatchDirectoryFlags = ts.WatchDirectoryFlags; - (function (CharacterCodes) { - CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; - CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; - CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; - CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; - CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; - CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; - CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; - CharacterCodes[CharacterCodes["space"] = 32] = "space"; - CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; - CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; - CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; - CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; - CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; - CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; - CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; - CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; - CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; - CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; - CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; - CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; - CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; - CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; - CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; - CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; - CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; - CharacterCodes[CharacterCodes["_"] = 95] = "_"; - CharacterCodes[CharacterCodes["$"] = 36] = "$"; - CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; - CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; - CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; - CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; - CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; - CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; - CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; - CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; - CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; - CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; - CharacterCodes[CharacterCodes["a"] = 97] = "a"; - CharacterCodes[CharacterCodes["b"] = 98] = "b"; - CharacterCodes[CharacterCodes["c"] = 99] = "c"; - CharacterCodes[CharacterCodes["d"] = 100] = "d"; - CharacterCodes[CharacterCodes["e"] = 101] = "e"; - CharacterCodes[CharacterCodes["f"] = 102] = "f"; - CharacterCodes[CharacterCodes["g"] = 103] = "g"; - CharacterCodes[CharacterCodes["h"] = 104] = "h"; - CharacterCodes[CharacterCodes["i"] = 105] = "i"; - CharacterCodes[CharacterCodes["j"] = 106] = "j"; - CharacterCodes[CharacterCodes["k"] = 107] = "k"; - CharacterCodes[CharacterCodes["l"] = 108] = "l"; - CharacterCodes[CharacterCodes["m"] = 109] = "m"; - CharacterCodes[CharacterCodes["n"] = 110] = "n"; - CharacterCodes[CharacterCodes["o"] = 111] = "o"; - CharacterCodes[CharacterCodes["p"] = 112] = "p"; - CharacterCodes[CharacterCodes["q"] = 113] = "q"; - CharacterCodes[CharacterCodes["r"] = 114] = "r"; - CharacterCodes[CharacterCodes["s"] = 115] = "s"; - CharacterCodes[CharacterCodes["t"] = 116] = "t"; - CharacterCodes[CharacterCodes["u"] = 117] = "u"; - CharacterCodes[CharacterCodes["v"] = 118] = "v"; - CharacterCodes[CharacterCodes["w"] = 119] = "w"; - CharacterCodes[CharacterCodes["x"] = 120] = "x"; - CharacterCodes[CharacterCodes["y"] = 121] = "y"; - CharacterCodes[CharacterCodes["z"] = 122] = "z"; - CharacterCodes[CharacterCodes["A"] = 65] = "A"; - CharacterCodes[CharacterCodes["B"] = 66] = "B"; - CharacterCodes[CharacterCodes["C"] = 67] = "C"; - CharacterCodes[CharacterCodes["D"] = 68] = "D"; - CharacterCodes[CharacterCodes["E"] = 69] = "E"; - CharacterCodes[CharacterCodes["F"] = 70] = "F"; - CharacterCodes[CharacterCodes["G"] = 71] = "G"; - CharacterCodes[CharacterCodes["H"] = 72] = "H"; - CharacterCodes[CharacterCodes["I"] = 73] = "I"; - CharacterCodes[CharacterCodes["J"] = 74] = "J"; - CharacterCodes[CharacterCodes["K"] = 75] = "K"; - CharacterCodes[CharacterCodes["L"] = 76] = "L"; - CharacterCodes[CharacterCodes["M"] = 77] = "M"; - CharacterCodes[CharacterCodes["N"] = 78] = "N"; - CharacterCodes[CharacterCodes["O"] = 79] = "O"; - CharacterCodes[CharacterCodes["P"] = 80] = "P"; - CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; - CharacterCodes[CharacterCodes["R"] = 82] = "R"; - CharacterCodes[CharacterCodes["S"] = 83] = "S"; - CharacterCodes[CharacterCodes["T"] = 84] = "T"; - CharacterCodes[CharacterCodes["U"] = 85] = "U"; - CharacterCodes[CharacterCodes["V"] = 86] = "V"; - CharacterCodes[CharacterCodes["W"] = 87] = "W"; - CharacterCodes[CharacterCodes["X"] = 88] = "X"; - CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; - CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; - CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; - CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; - CharacterCodes[CharacterCodes["at"] = 64] = "at"; - CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; - CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; - CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; - CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; - CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; - CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; - CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; - CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; - CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; - CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; - CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; - CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; - CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; - CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; - CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; - CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; - CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; - CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; - CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; - CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; - CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; - CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; - CharacterCodes[CharacterCodes["question"] = 63] = "question"; - CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; - CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; - CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; - CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; - CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; - CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; - CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; - CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; - CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; - })(ts.CharacterCodes || (ts.CharacterCodes = {})); - var CharacterCodes = ts.CharacterCodes; - (function (TransformFlags) { - TransformFlags[TransformFlags["None"] = 0] = "None"; - TransformFlags[TransformFlags["TypeScript"] = 1] = "TypeScript"; - TransformFlags[TransformFlags["ContainsTypeScript"] = 2] = "ContainsTypeScript"; - TransformFlags[TransformFlags["Jsx"] = 4] = "Jsx"; - TransformFlags[TransformFlags["ContainsJsx"] = 8] = "ContainsJsx"; - TransformFlags[TransformFlags["ES2017"] = 16] = "ES2017"; - TransformFlags[TransformFlags["ContainsES2017"] = 32] = "ContainsES2017"; - TransformFlags[TransformFlags["ES2016"] = 64] = "ES2016"; - TransformFlags[TransformFlags["ContainsES2016"] = 128] = "ContainsES2016"; - TransformFlags[TransformFlags["ES2015"] = 256] = "ES2015"; - TransformFlags[TransformFlags["ContainsES2015"] = 512] = "ContainsES2015"; - TransformFlags[TransformFlags["DestructuringAssignment"] = 1024] = "DestructuringAssignment"; - TransformFlags[TransformFlags["Generator"] = 2048] = "Generator"; - TransformFlags[TransformFlags["ContainsGenerator"] = 4096] = "ContainsGenerator"; - TransformFlags[TransformFlags["ContainsDecorators"] = 8192] = "ContainsDecorators"; - TransformFlags[TransformFlags["ContainsPropertyInitializer"] = 16384] = "ContainsPropertyInitializer"; - TransformFlags[TransformFlags["ContainsLexicalThis"] = 32768] = "ContainsLexicalThis"; - TransformFlags[TransformFlags["ContainsCapturedLexicalThis"] = 65536] = "ContainsCapturedLexicalThis"; - TransformFlags[TransformFlags["ContainsLexicalThisInComputedPropertyName"] = 131072] = "ContainsLexicalThisInComputedPropertyName"; - TransformFlags[TransformFlags["ContainsDefaultValueAssignments"] = 262144] = "ContainsDefaultValueAssignments"; - TransformFlags[TransformFlags["ContainsParameterPropertyAssignments"] = 524288] = "ContainsParameterPropertyAssignments"; - TransformFlags[TransformFlags["ContainsSpreadElementExpression"] = 1048576] = "ContainsSpreadElementExpression"; - TransformFlags[TransformFlags["ContainsComputedPropertyName"] = 2097152] = "ContainsComputedPropertyName"; - TransformFlags[TransformFlags["ContainsBlockScopedBinding"] = 4194304] = "ContainsBlockScopedBinding"; - TransformFlags[TransformFlags["ContainsBindingPattern"] = 8388608] = "ContainsBindingPattern"; - TransformFlags[TransformFlags["ContainsYield"] = 16777216] = "ContainsYield"; - TransformFlags[TransformFlags["ContainsHoistedDeclarationOrCompletion"] = 33554432] = "ContainsHoistedDeclarationOrCompletion"; - TransformFlags[TransformFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - TransformFlags[TransformFlags["AssertTypeScript"] = 3] = "AssertTypeScript"; - TransformFlags[TransformFlags["AssertJsx"] = 12] = "AssertJsx"; - TransformFlags[TransformFlags["AssertES2017"] = 48] = "AssertES2017"; - TransformFlags[TransformFlags["AssertES2016"] = 192] = "AssertES2016"; - TransformFlags[TransformFlags["AssertES2015"] = 768] = "AssertES2015"; - TransformFlags[TransformFlags["AssertGenerator"] = 6144] = "AssertGenerator"; - TransformFlags[TransformFlags["NodeExcludes"] = 536874325] = "NodeExcludes"; - TransformFlags[TransformFlags["ArrowFunctionExcludes"] = 592227669] = "ArrowFunctionExcludes"; - TransformFlags[TransformFlags["FunctionExcludes"] = 592293205] = "FunctionExcludes"; - TransformFlags[TransformFlags["ConstructorExcludes"] = 591760725] = "ConstructorExcludes"; - TransformFlags[TransformFlags["MethodOrAccessorExcludes"] = 591760725] = "MethodOrAccessorExcludes"; - TransformFlags[TransformFlags["ClassExcludes"] = 539749717] = "ClassExcludes"; - TransformFlags[TransformFlags["ModuleExcludes"] = 574729557] = "ModuleExcludes"; - TransformFlags[TransformFlags["TypeExcludes"] = -3] = "TypeExcludes"; - TransformFlags[TransformFlags["ObjectLiteralExcludes"] = 539110741] = "ObjectLiteralExcludes"; - TransformFlags[TransformFlags["ArrayLiteralOrCallOrNewExcludes"] = 537922901] = "ArrayLiteralOrCallOrNewExcludes"; - TransformFlags[TransformFlags["VariableDeclarationListExcludes"] = 545262933] = "VariableDeclarationListExcludes"; - TransformFlags[TransformFlags["ParameterExcludes"] = 545262933] = "ParameterExcludes"; - TransformFlags[TransformFlags["TypeScriptClassSyntaxMask"] = 548864] = "TypeScriptClassSyntaxMask"; - TransformFlags[TransformFlags["ES2015FunctionSyntaxMask"] = 327680] = "ES2015FunctionSyntaxMask"; - })(ts.TransformFlags || (ts.TransformFlags = {})); - var TransformFlags = ts.TransformFlags; - (function (EmitFlags) { - EmitFlags[EmitFlags["EmitEmitHelpers"] = 1] = "EmitEmitHelpers"; - EmitFlags[EmitFlags["EmitExportStar"] = 2] = "EmitExportStar"; - EmitFlags[EmitFlags["EmitSuperHelper"] = 4] = "EmitSuperHelper"; - EmitFlags[EmitFlags["EmitAdvancedSuperHelper"] = 8] = "EmitAdvancedSuperHelper"; - EmitFlags[EmitFlags["UMDDefine"] = 16] = "UMDDefine"; - EmitFlags[EmitFlags["SingleLine"] = 32] = "SingleLine"; - EmitFlags[EmitFlags["AdviseOnEmitNode"] = 64] = "AdviseOnEmitNode"; - EmitFlags[EmitFlags["NoSubstitution"] = 128] = "NoSubstitution"; - EmitFlags[EmitFlags["CapturesThis"] = 256] = "CapturesThis"; - EmitFlags[EmitFlags["NoLeadingSourceMap"] = 512] = "NoLeadingSourceMap"; - EmitFlags[EmitFlags["NoTrailingSourceMap"] = 1024] = "NoTrailingSourceMap"; - EmitFlags[EmitFlags["NoSourceMap"] = 1536] = "NoSourceMap"; - EmitFlags[EmitFlags["NoNestedSourceMaps"] = 2048] = "NoNestedSourceMaps"; - EmitFlags[EmitFlags["NoTokenLeadingSourceMaps"] = 4096] = "NoTokenLeadingSourceMaps"; - EmitFlags[EmitFlags["NoTokenTrailingSourceMaps"] = 8192] = "NoTokenTrailingSourceMaps"; - EmitFlags[EmitFlags["NoTokenSourceMaps"] = 12288] = "NoTokenSourceMaps"; - EmitFlags[EmitFlags["NoLeadingComments"] = 16384] = "NoLeadingComments"; - EmitFlags[EmitFlags["NoTrailingComments"] = 32768] = "NoTrailingComments"; - EmitFlags[EmitFlags["NoComments"] = 49152] = "NoComments"; - EmitFlags[EmitFlags["NoNestedComments"] = 65536] = "NoNestedComments"; - EmitFlags[EmitFlags["ExportName"] = 131072] = "ExportName"; - EmitFlags[EmitFlags["LocalName"] = 262144] = "LocalName"; - EmitFlags[EmitFlags["Indented"] = 524288] = "Indented"; - EmitFlags[EmitFlags["NoIndentation"] = 1048576] = "NoIndentation"; - EmitFlags[EmitFlags["AsyncFunctionBody"] = 2097152] = "AsyncFunctionBody"; - EmitFlags[EmitFlags["ReuseTempVariableScope"] = 4194304] = "ReuseTempVariableScope"; - EmitFlags[EmitFlags["CustomPrologue"] = 8388608] = "CustomPrologue"; - })(ts.EmitFlags || (ts.EmitFlags = {})); - var EmitFlags = ts.EmitFlags; - (function (EmitContext) { - EmitContext[EmitContext["SourceFile"] = 0] = "SourceFile"; - EmitContext[EmitContext["Expression"] = 1] = "Expression"; - EmitContext[EmitContext["IdentifierName"] = 2] = "IdentifierName"; - EmitContext[EmitContext["Unspecified"] = 3] = "Unspecified"; - })(ts.EmitContext || (ts.EmitContext = {})); - var EmitContext = ts.EmitContext; })(ts || (ts = {})); var ts; (function (ts) { @@ -990,12 +128,6 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - (function (Ternary) { - Ternary[Ternary["False"] = 0] = "False"; - Ternary[Ternary["Maybe"] = 1] = "Maybe"; - Ternary[Ternary["True"] = -1] = "True"; - })(ts.Ternary || (ts.Ternary = {})); - var Ternary = ts.Ternary; var createObject = Object.create; ts.collator = typeof Intl === "object" && typeof Intl.Collator === "function" ? new Intl.Collator() : undefined; function createMap(template) { @@ -1060,12 +192,6 @@ var ts; return getCanonicalFileName(nonCanonicalizedPath); } ts.toPath = toPath; - (function (Comparison) { - Comparison[Comparison["LessThan"] = -1] = "LessThan"; - Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; - Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; - })(ts.Comparison || (ts.Comparison = {})); - var Comparison = ts.Comparison; function forEach(array, callback) { if (array) { for (var i = 0, len = array.length; i < len; i++) { @@ -1373,6 +499,41 @@ var ts; return result; } ts.deduplicate = deduplicate; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function changesAffectModuleResolution(oldOptions, newOptions) { + return !oldOptions || + (oldOptions.module !== newOptions.module) || + (oldOptions.moduleResolution !== newOptions.moduleResolution) || + (oldOptions.noResolve !== newOptions.noResolve) || + (oldOptions.target !== newOptions.target) || + (oldOptions.noLib !== newOptions.noLib) || + (oldOptions.jsx !== newOptions.jsx) || + (oldOptions.allowJs !== newOptions.allowJs) || + (oldOptions.rootDir !== newOptions.rootDir) || + (oldOptions.configFilePath !== newOptions.configFilePath) || + (oldOptions.baseUrl !== newOptions.baseUrl) || + (oldOptions.maxNodeModuleJsDepth !== newOptions.maxNodeModuleJsDepth) || + !arrayIsEqualTo(oldOptions.lib, newOptions.lib) || + !arrayIsEqualTo(oldOptions.typeRoots, newOptions.typeRoots) || + !arrayIsEqualTo(oldOptions.rootDirs, newOptions.rootDirs) || + !equalOwnProperties(oldOptions.paths, newOptions.paths); + } + ts.changesAffectModuleResolution = changesAffectModuleResolution; function compact(array) { var result; if (array) { @@ -1445,6 +606,12 @@ var ts; : undefined; } ts.lastOrUndefined = lastOrUndefined; + function replaceElement(array, index, value) { + var result = array.slice(0); + result[index] = value; + return result; + } + ts.replaceElement = replaceElement; function binarySearch(array, value, comparer) { if (!array || array.length === 0) { return -1; @@ -1683,6 +850,12 @@ var ts; return Array.isArray ? Array.isArray(value) : value instanceof Array; } ts.isArray = isArray; + function noop() { } + ts.noop = noop; + function notImplemented() { + throw new Error("Not implemented"); + } + ts.notImplemented = notImplemented; function memoize(callback) { var value; return function () { @@ -2413,14 +1586,6 @@ var ts; return false; } ts.isSupportedSourceFileName = isSupportedSourceFileName; - (function (ExtensionPriority) { - ExtensionPriority[ExtensionPriority["TypeScriptFiles"] = 0] = "TypeScriptFiles"; - ExtensionPriority[ExtensionPriority["DeclarationAndJavaScriptFiles"] = 2] = "DeclarationAndJavaScriptFiles"; - ExtensionPriority[ExtensionPriority["Limit"] = 5] = "Limit"; - ExtensionPriority[ExtensionPriority["Highest"] = 0] = "Highest"; - ExtensionPriority[ExtensionPriority["Lowest"] = 2] = "Lowest"; - })(ts.ExtensionPriority || (ts.ExtensionPriority = {})); - var ExtensionPriority = ts.ExtensionPriority; function getExtensionPriority(path, supportedExtensions) { for (var i = supportedExtensions.length - 1; i >= 0; i--) { if (fileExtensionIs(path, supportedExtensions[i])) { @@ -2509,13 +1674,6 @@ var ts; getTypeConstructor: function () { return Type; }, getSignatureConstructor: function () { return Signature; } }; - (function (AssertionLevel) { - AssertionLevel[AssertionLevel["None"] = 0] = "None"; - AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; - AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; - AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; - })(ts.AssertionLevel || (ts.AssertionLevel = {})); - var AssertionLevel = ts.AssertionLevel; var Debug; (function (Debug) { Debug.currentAssertionLevel = 0; @@ -2900,11 +2058,6 @@ var ts; function readDirectory(path, extensions, excludes, includes) { return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), getAccessibleFileSystemEntries); } - var FileSystemEntryKind; - (function (FileSystemEntryKind) { - FileSystemEntryKind[FileSystemEntryKind["File"] = 0] = "File"; - FileSystemEntryKind[FileSystemEntryKind["Directory"] = 1] = "Directory"; - })(FileSystemEntryKind || (FileSystemEntryKind = {})); function fileSystemEntryExists(path, entryKind) { try { var stat = _fs.statSync(path); @@ -3035,7 +2188,9 @@ var ts; } catch (e) { } - } + }, + setTimeout: setTimeout, + clearTimeout: clearTimeout }; return nodeSystem; } @@ -3263,7 +2418,6 @@ var ts; Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, @@ -3883,6 +3037,8 @@ var ts; Unknown_typing_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_typing_option_0_17010", message: "Unknown typing option '{0}'." }, Circularity_detected_while_resolving_configuration_Colon_0: { code: 18000, category: ts.DiagnosticCategory.Error, key: "Circularity_detected_while_resolving_configuration_Colon_0_18000", message: "Circularity detected while resolving configuration: {0}" }, The_path_in_an_extends_options_must_be_relative_or_rooted: { code: 18001, category: ts.DiagnosticCategory.Error, key: "The_path_in_an_extends_options_must_be_relative_or_rooted_18001", message: "The path in an 'extends' options must be relative or rooted." }, + The_files_list_in_config_file_0_is_empty: { code: 18002, category: ts.DiagnosticCategory.Error, key: "The_files_list_in_config_file_0_is_empty_18002", message: "The 'files' list in config file '{0}' is empty." }, + No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { code: 18003, category: ts.DiagnosticCategory.Error, key: "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", message: "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'." }, Add_missing_super_call: { code: 90001, category: ts.DiagnosticCategory.Message, key: "Add_missing_super_call_90001", message: "Add missing 'super()' call." }, Make_super_call_the_first_statement_in_the_constructor: { code: 90002, category: ts.DiagnosticCategory.Message, key: "Make_super_call_the_first_statement_in_the_constructor_90002", message: "Make 'super()' call the first statement in the constructor." }, Change_extends_to_implements: { code: 90003, category: ts.DiagnosticCategory.Message, key: "Change_extends_to_implements_90003", message: "Change 'extends' to 'implements'" }, @@ -3894,59552 +3050,58580 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - function trace(host) { - host.trace(ts.formatMessage.apply(undefined, arguments)); + function tokenIsIdentifierOrKeyword(token) { + return token >= 70; } - ts.trace = trace; - function isTraceEnabled(compilerOptions, host) { - return compilerOptions.traceResolution && host.trace !== undefined; + ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; + var textToToken = ts.createMap({ + "abstract": 116, + "any": 118, + "as": 117, + "boolean": 121, + "break": 71, + "case": 72, + "catch": 73, + "class": 74, + "continue": 76, + "const": 75, + "constructor": 122, + "debugger": 77, + "declare": 123, + "default": 78, + "delete": 79, + "do": 80, + "else": 81, + "enum": 82, + "export": 83, + "extends": 84, + "false": 85, + "finally": 86, + "for": 87, + "from": 137, + "function": 88, + "get": 124, + "if": 89, + "implements": 107, + "import": 90, + "in": 91, + "instanceof": 92, + "interface": 108, + "is": 125, + "let": 109, + "module": 126, + "namespace": 127, + "never": 128, + "new": 93, + "null": 94, + "number": 131, + "package": 110, + "private": 111, + "protected": 112, + "public": 113, + "readonly": 129, + "require": 130, + "global": 138, + "return": 95, + "set": 132, + "static": 114, + "string": 133, + "super": 96, + "switch": 97, + "symbol": 134, + "this": 98, + "throw": 99, + "true": 100, + "try": 101, + "type": 135, + "typeof": 102, + "undefined": 136, + "var": 103, + "void": 104, + "while": 105, + "with": 106, + "yield": 115, + "async": 119, + "await": 120, + "of": 139, + "{": 16, + "}": 17, + "(": 18, + ")": 19, + "[": 20, + "]": 21, + ".": 22, + "...": 23, + ";": 24, + ",": 25, + "<": 26, + ">": 28, + "<=": 29, + ">=": 30, + "==": 31, + "!=": 32, + "===": 33, + "!==": 34, + "=>": 35, + "+": 36, + "-": 37, + "**": 39, + "*": 38, + "/": 40, + "%": 41, + "++": 42, + "--": 43, + "<<": 44, + ">": 45, + ">>>": 46, + "&": 47, + "|": 48, + "^": 49, + "!": 50, + "~": 51, + "&&": 52, + "||": 53, + "?": 54, + ":": 55, + "=": 57, + "+=": 58, + "-=": 59, + "*=": 60, + "**=": 61, + "/=": 62, + "%=": 63, + "<<=": 64, + ">>=": 65, + ">>>=": 66, + "&=": 67, + "|=": 68, + "^=": 69, + "@": 56, + }); + var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 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705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 2210, 2220, 2276, 2302, 2304, 2403, 2406, 2415, 2417, 2423, 2425, 2431, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 2641, 2649, 2652, 2654, 2654, 2662, 2677, 2689, 2691, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2787, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2876, 2884, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2915, 2918, 2927, 2929, 2929, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3024, 3024, 3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3807, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3948, 3953, 3972, 3974, 3991, 3993, 4028, 4038, 4038, 4096, 4169, 4176, 4253, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4957, 4959, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5908, 5920, 5940, 5952, 5971, 5984, 5996, 5998, 6000, 6002, 6003, 6016, 6099, 6103, 6103, 6108, 6109, 6112, 6121, 6155, 6157, 6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + function lookupInUnicodeMap(code, map) { + if (code < map[0]) { + return false; + } + var lo = 0; + var hi = map.length; + var mid; + while (lo + 1 < hi) { + mid = lo + (hi - lo) / 2; + mid -= mid % 2; + if (map[mid] <= code && code <= map[mid + 1]) { + return true; + } + if (code < map[mid]) { + hi = mid; + } + else { + lo = mid + 2; + } + } + return false; } - ts.isTraceEnabled = isTraceEnabled; - function createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations) { - return { resolvedModule: resolvedFileName ? { resolvedFileName: resolvedFileName, isExternalLibraryImport: isExternalLibraryImport } : undefined, failedLookupLocations: failedLookupLocations }; + function isUnicodeIdentifierStart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierStart) : + lookupInUnicodeMap(code, unicodeES3IdentifierStart); } - ts.createResolvedModule = createResolvedModule; - function moduleHasNonRelativeName(moduleName) { - return !(ts.isRootedDiskPath(moduleName) || ts.isExternalModuleNameRelative(moduleName)); + ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; + function isUnicodeIdentifierPart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierPart) : + lookupInUnicodeMap(code, unicodeES3IdentifierPart); } - function tryReadTypesSection(packageJsonPath, baseDirectory, state) { - var jsonContent = readJson(packageJsonPath, state.host); - function tryReadFromField(fieldName) { - if (ts.hasProperty(jsonContent, fieldName)) { - var typesFile = jsonContent[fieldName]; - if (typeof typesFile === "string") { - var typesFilePath_1 = ts.normalizePath(ts.combinePaths(baseDirectory, typesFile)); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, typesFile, typesFilePath_1); + function makeReverseMap(source) { + var result = []; + for (var name_4 in source) { + result[source[name_4]] = name_4; + } + return result; + } + var tokenStrings = makeReverseMap(textToToken); + function tokenToString(t) { + return tokenStrings[t]; + } + ts.tokenToString = tokenToString; + function stringToToken(s) { + return textToToken[s]; + } + ts.stringToToken = stringToToken; + function computeLineStarts(text) { + var result = new Array(); + var pos = 0; + var lineStart = 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 13: + if (text.charCodeAt(pos) === 10) { + pos++; } - return typesFilePath_1; - } - else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_string_got_1, fieldName, typeof typesFile); + case 10: + result.push(lineStart); + lineStart = pos; + break; + default: + if (ch > 127 && isLineBreak(ch)) { + result.push(lineStart); + lineStart = pos; } - } - } - } - var typesFilePath = tryReadFromField("typings") || tryReadFromField("types"); - if (typesFilePath) { - return typesFilePath; - } - if (state.compilerOptions.allowJs && jsonContent.main && typeof jsonContent.main === "string") { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0, jsonContent.main); + break; } - var mainFilePath = ts.normalizePath(ts.combinePaths(baseDirectory, jsonContent.main)); - return mainFilePath; } - return undefined; + result.push(lineStart); + return result; } - function readJson(path, host) { - try { - var jsonText = host.readFile(path); - return jsonText ? JSON.parse(jsonText) : {}; - } - catch (e) { - return {}; - } + ts.computeLineStarts = computeLineStarts; + function getPositionOfLineAndCharacter(sourceFile, line, character) { + return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); } - var typeReferenceExtensions = [".d.ts"]; - function getEffectiveTypeRoots(options, host) { - if (options.typeRoots) { - return options.typeRoots; - } - var currentDirectory; - if (options.configFilePath) { - currentDirectory = ts.getDirectoryPath(options.configFilePath); + ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; + function computePositionOfLineAndCharacter(lineStarts, line, character) { + ts.Debug.assert(line >= 0 && line < lineStarts.length); + return lineStarts[line] + character; + } + ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; + function getLineStarts(sourceFile) { + return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); + } + ts.getLineStarts = getLineStarts; + function computeLineAndCharacterOfPosition(lineStarts, position) { + var lineNumber = ts.binarySearch(lineStarts, position); + if (lineNumber < 0) { + lineNumber = ~lineNumber - 1; + ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); } - else if (host.getCurrentDirectory) { - currentDirectory = host.getCurrentDirectory(); + return { + line: lineNumber, + character: position - lineStarts[lineNumber] + }; + } + ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; + function getLineAndCharacterOfPosition(sourceFile, position) { + return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + } + ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function isWhiteSpace(ch) { + return isWhiteSpaceSingleLine(ch) || isLineBreak(ch); + } + ts.isWhiteSpace = isWhiteSpace; + function isWhiteSpaceSingleLine(ch) { + return ch === 32 || + ch === 9 || + ch === 11 || + ch === 12 || + ch === 160 || + ch === 133 || + ch === 5760 || + ch >= 8192 && ch <= 8203 || + ch === 8239 || + ch === 8287 || + ch === 12288 || + ch === 65279; + } + ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine; + function isLineBreak(ch) { + return ch === 10 || + ch === 13 || + ch === 8232 || + ch === 8233; + } + ts.isLineBreak = isLineBreak; + function isDigit(ch) { + return ch >= 48 && ch <= 57; + } + function isOctalDigit(ch) { + return ch >= 48 && ch <= 55; + } + ts.isOctalDigit = isOctalDigit; + function couldStartTrivia(text, pos) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + case 10: + case 9: + case 11: + case 12: + case 32: + case 47: + case 60: + case 61: + case 62: + return true; + case 35: + return pos === 0; + default: + return ch > 127; } - return currentDirectory !== undefined && getDefaultTypeRoots(currentDirectory, host); } - ts.getEffectiveTypeRoots = getEffectiveTypeRoots; - function getDefaultTypeRoots(currentDirectory, host) { - if (!host.directoryExists) { - return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)]; + ts.couldStartTrivia = couldStartTrivia; + function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) { + if (stopAtComments === void 0) { stopAtComments = false; } + if (ts.positionIsSynthesized(pos)) { + return pos; } - var typeRoots; while (true) { - var atTypes = ts.combinePaths(currentDirectory, nodeModulesAtTypes); - if (host.directoryExists(atTypes)) { - (typeRoots || (typeRoots = [])).push(atTypes); - } - var parent_1 = ts.getDirectoryPath(currentDirectory); - if (parent_1 === currentDirectory) { - break; + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (stopAfterLineBreak) { + return pos; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + if (stopAtComments) { + break; + } + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + continue; + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + continue; + } + break; + case 60: + case 61: + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos); + continue; + } + break; + case 35: + if (pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + continue; + } + break; + default: + if (ch > 127 && (isWhiteSpace(ch))) { + pos++; + continue; + } + break; } - currentDirectory = parent_1; + return pos; } - return typeRoots; } - var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types"); - function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host) { - var traceEnabled = isTraceEnabled(options, host); - var moduleResolutionState = { - compilerOptions: options, - host: host, - skipTsx: true, - traceEnabled: traceEnabled - }; - var typeRoots = getEffectiveTypeRoots(options, host); - if (traceEnabled) { - if (containingFile === undefined) { - if (typeRoots === undefined) { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName); - } - else { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots); - } - } - else { - if (typeRoots === undefined) { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile); - } - else { - trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots); - } - } - } - var failedLookupLocations = []; - if (typeRoots && typeRoots.length) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", ")); - } - var primarySearchPaths = typeRoots; - for (var _i = 0, primarySearchPaths_1 = primarySearchPaths; _i < primarySearchPaths_1.length; _i++) { - var typeRoot = primarySearchPaths_1[_i]; - var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName); - var candidateDirectory = ts.getDirectoryPath(candidate); - var resolvedFile_1 = loadNodeModuleFromDirectory(typeReferenceExtensions, candidate, failedLookupLocations, !directoryProbablyExists(candidateDirectory, host), moduleResolutionState); - if (resolvedFile_1) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile_1, true); + ts.skipTrivia = skipTrivia; + var mergeConflictMarkerLength = "<<<<<<<".length; + function isConflictMarkerTrivia(text, pos) { + ts.Debug.assert(pos >= 0); + if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { + var ch = text.charCodeAt(pos); + if ((pos + mergeConflictMarkerLength) < text.length) { + for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { + if (text.charCodeAt(pos + i) !== ch) { + return false; } - return { - resolvedTypeReferenceDirective: { primary: true, resolvedFileName: resolvedFile_1 }, - failedLookupLocations: failedLookupLocations - }; } + return ch === 61 || + text.charCodeAt(pos + mergeConflictMarkerLength) === 32; } } - else { - if (traceEnabled) { - trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths); - } - } - var resolvedFile; - var initialLocationForSecondaryLookup; - if (containingFile) { - initialLocationForSecondaryLookup = ts.getDirectoryPath(containingFile); - } - if (initialLocationForSecondaryLookup !== undefined) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup); - } - resolvedFile = loadModuleFromNodeModules(typeReferenceDirectiveName, initialLocationForSecondaryLookup, failedLookupLocations, moduleResolutionState, false); - if (traceEnabled) { - if (resolvedFile) { - trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile, false); - } - else { - trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName); - } + return false; + } + function scanConflictMarkerTrivia(text, pos, error) { + if (error) { + error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + } + var ch = text.charCodeAt(pos); + var len = text.length; + if (ch === 60 || ch === 62) { + while (pos < len && !isLineBreak(text.charCodeAt(pos))) { + pos++; } } else { - if (traceEnabled) { - trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder); + ts.Debug.assert(ch === 61); + while (pos < len) { + var ch_1 = text.charCodeAt(pos); + if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { + break; + } + pos++; } } - return { - resolvedTypeReferenceDirective: resolvedFile - ? { primary: false, resolvedFileName: resolvedFile } - : undefined, - failedLookupLocations: failedLookupLocations - }; + return pos; } - ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective; - function getAutomaticTypeDirectiveNames(options, host) { - if (options.types) { - return options.types; - } - var result = []; - if (host.directoryExists && host.getDirectories) { - var typeRoots = getEffectiveTypeRoots(options, host); - if (typeRoots) { - for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) { - var root = typeRoots_1[_i]; - if (host.directoryExists(root)) { - for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) { - var typeDirectivePath = _b[_a]; - var normalized = ts.normalizePath(typeDirectivePath); - var packageJsonPath = pathToPackageJson(ts.combinePaths(root, normalized)); - var isNotNeededPackage = host.fileExists(packageJsonPath) && readJson(packageJsonPath, host).typings === null; - if (!isNotNeededPackage) { - result.push(ts.getBaseFileName(normalized)); + var shebangTriviaRegex = /^#!.*/; + function isShebangTrivia(text, pos) { + ts.Debug.assert(pos === 0); + return shebangTriviaRegex.test(text); + } + function scanShebangTrivia(text, pos) { + var shebang = shebangTriviaRegex.exec(text)[0]; + pos = pos + shebang.length; + return pos; + } + function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) { + var pendingPos; + var pendingEnd; + var pendingKind; + var pendingHasTrailingNewLine; + var hasPendingCommentRange = false; + var collecting = trailing || pos === 0; + var accumulator = initial; + scan: while (pos >= 0 && pos < text.length) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (trailing) { + break scan; + } + collecting = true; + if (hasPendingCommentRange) { + pendingHasTrailingNewLine = true; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + var nextChar = text.charCodeAt(pos + 1); + var hasTrailingNewLine = false; + if (nextChar === 47 || nextChar === 42) { + var kind = nextChar === 47 ? 2 : 3; + var startPos = pos; + pos += 2; + if (nextChar === 47) { + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + hasTrailingNewLine = true; + break; + } + pos++; + } + } + else { + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + } + if (collecting) { + if (hasPendingCommentRange) { + accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); + if (!reduce && accumulator) { + return accumulator; + } + hasPendingCommentRange = false; } + pendingPos = startPos; + pendingEnd = pos; + pendingKind = kind; + pendingHasTrailingNewLine = hasTrailingNewLine; + hasPendingCommentRange = true; } + continue; } - } + break scan; + default: + if (ch > 127 && (isWhiteSpace(ch))) { + if (hasPendingCommentRange && isLineBreak(ch)) { + pendingHasTrailingNewLine = true; + } + pos++; + continue; + } + break scan; } } - return result; + if (hasPendingCommentRange) { + accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); + } + return accumulator; } - ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames; - function resolveModuleName(moduleName, containingFile, compilerOptions, host) { - var traceEnabled = isTraceEnabled(compilerOptions, host); - if (traceEnabled) { - trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile); + function forEachLeadingCommentRange(text, pos, cb, state) { + return iterateCommentRanges(false, text, pos, false, cb, state); + } + ts.forEachLeadingCommentRange = forEachLeadingCommentRange; + function forEachTrailingCommentRange(text, pos, cb, state) { + return iterateCommentRanges(false, text, pos, true, cb, state); + } + ts.forEachTrailingCommentRange = forEachTrailingCommentRange; + function reduceEachLeadingCommentRange(text, pos, cb, state, initial) { + return iterateCommentRanges(true, text, pos, false, cb, state, initial); + } + ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange; + function reduceEachTrailingCommentRange(text, pos, cb, state, initial) { + return iterateCommentRanges(true, text, pos, true, cb, state, initial); + } + ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange; + function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) { + if (!comments) { + comments = []; } - var moduleResolution = compilerOptions.moduleResolution; - if (moduleResolution === undefined) { - moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic; - if (traceEnabled) { - trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]); - } + comments.push({ pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); + return comments; + } + function getLeadingCommentRanges(text, pos) { + return reduceEachLeadingCommentRange(text, pos, appendCommentRange, undefined, undefined); + } + ts.getLeadingCommentRanges = getLeadingCommentRanges; + function getTrailingCommentRanges(text, pos) { + return reduceEachTrailingCommentRange(text, pos, appendCommentRange, undefined, undefined); + } + ts.getTrailingCommentRanges = getTrailingCommentRanges; + function getShebang(text) { + return shebangTriviaRegex.test(text) + ? shebangTriviaRegex.exec(text)[0] + : undefined; + } + ts.getShebang = getShebang; + function isIdentifierStart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); + } + ts.isIdentifierStart = isIdentifierStart; + function isIdentifierPart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); + } + ts.isIdentifierPart = isIdentifierPart; + function isIdentifierText(name, languageVersion) { + if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { + return false; } - else { - if (traceEnabled) { - trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]); + for (var i = 1, n = name.length; i < n; i++) { + if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { + return false; } } - var result; - switch (moduleResolution) { - case ts.ModuleResolutionKind.NodeJs: - result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); - break; - case ts.ModuleResolutionKind.Classic: - result = classicNameResolver(moduleName, containingFile, compilerOptions, host); - break; + return true; + } + ts.isIdentifierText = isIdentifierText; + function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { + if (languageVariant === void 0) { languageVariant = 0; } + var pos; + var end; + var startPos; + var tokenPos; + var token; + var tokenValue; + var precedingLineBreak; + var hasExtendedUnicodeEscape; + var tokenIsUnterminated; + setText(text, start, length); + return { + getStartPos: function () { return startPos; }, + getTextPos: function () { return pos; }, + getToken: function () { return token; }, + getTokenPos: function () { return tokenPos; }, + getTokenText: function () { return text.substring(tokenPos, pos); }, + getTokenValue: function () { return tokenValue; }, + hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, + hasPrecedingLineBreak: function () { return precedingLineBreak; }, + isIdentifier: function () { return token === 70 || token > 106; }, + isReservedWord: function () { return token >= 71 && token <= 106; }, + isUnterminated: function () { return tokenIsUnterminated; }, + reScanGreaterToken: reScanGreaterToken, + reScanSlashToken: reScanSlashToken, + reScanTemplateToken: reScanTemplateToken, + scanJsxIdentifier: scanJsxIdentifier, + scanJsxAttributeValue: scanJsxAttributeValue, + reScanJsxToken: reScanJsxToken, + scanJsxToken: scanJsxToken, + scanJSDocToken: scanJSDocToken, + scan: scan, + getText: getText, + setText: setText, + setScriptTarget: setScriptTarget, + setLanguageVariant: setLanguageVariant, + setOnError: setOnError, + setTextPos: setTextPos, + tryScan: tryScan, + lookAhead: lookAhead, + scanRange: scanRange, + }; + function error(message, length) { + if (onError) { + onError(message, length || 0); + } } - if (traceEnabled) { - if (result.resolvedModule) { - trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName); + function scanNumber() { + var start = pos; + while (isDigit(text.charCodeAt(pos))) + pos++; + if (text.charCodeAt(pos) === 46) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; } - else { - trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName); + var end = pos; + if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { + pos++; + if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) + pos++; + if (isDigit(text.charCodeAt(pos))) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + end = pos; + } + else { + error(ts.Diagnostics.Digit_expected); + } } + return "" + +(text.substring(start, end)); } - return result; - } - ts.resolveModuleName = resolveModuleName; - function tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { - if (moduleHasNonRelativeName(moduleName)) { - return tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state); - } - else { - return tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state); - } - } - function tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { - if (!state.compilerOptions.rootDirs) { - return undefined; + function scanOctalDigits() { + var start = pos; + while (isOctalDigit(text.charCodeAt(pos))) { + pos++; + } + return +(text.substring(start, pos)); } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName); + function scanExactNumberOfHexDigits(count) { + return scanHexDigits(count, false); } - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var matchedRootDir; - var matchedNormalizedPrefix; - for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) { - var rootDir = _a[_i]; - var normalizedRoot = ts.normalizePath(rootDir); - if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) { - normalizedRoot += ts.directorySeparator; - } - var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) && - (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix); - } - if (isLongestMatchingPrefix) { - matchedNormalizedPrefix = normalizedRoot; - matchedRootDir = rootDir; - } + function scanMinimumNumberOfHexDigits(count) { + return scanHexDigits(count, true); } - if (matchedNormalizedPrefix) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix); - } - var suffix = candidate.substr(matchedNormalizedPrefix.length); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate); - } - var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(containingDirectory, state.host), state); - if (resolvedFileName) { - return resolvedFileName; - } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs); - } - for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) { - var rootDir = _c[_b]; - if (rootDir === matchedRootDir) { - continue; + function scanHexDigits(minCount, scanAsManyAsPossible) { + var digits = 0; + var value = 0; + while (digits < minCount || scanAsManyAsPossible) { + var ch = text.charCodeAt(pos); + if (ch >= 48 && ch <= 57) { + value = value * 16 + ch - 48; } - var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1); + else if (ch >= 65 && ch <= 70) { + value = value * 16 + ch - 65 + 10; } - var baseDirectory = ts.getDirectoryPath(candidate_1); - var resolvedFileName_1 = loader(candidate_1, supportedExtensions, failedLookupLocations, !directoryProbablyExists(baseDirectory, state.host), state); - if (resolvedFileName_1) { - return resolvedFileName_1; + else if (ch >= 97 && ch <= 102) { + value = value * 16 + ch - 97 + 10; } + else { + break; + } + pos++; + digits++; } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed); + if (digits < minCount) { + value = -1; } + return value; } - return undefined; - } - function tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state) { - if (!state.compilerOptions.baseUrl) { - return undefined; - } - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, state.compilerOptions.baseUrl, moduleName); - } - var matchedPattern = undefined; - if (state.compilerOptions.paths) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName); + function scanString(allowEscapes) { + if (allowEscapes === void 0) { allowEscapes = true; } + var quote = text.charCodeAt(pos); + pos++; + var result = ""; + var start = pos; + while (true) { + if (pos >= end) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + var ch = text.charCodeAt(pos); + if (ch === quote) { + result += text.substring(start, pos); + pos++; + break; + } + if (ch === 92 && allowEscapes) { + result += text.substring(start, pos); + result += scanEscapeSequence(); + start = pos; + continue; + } + if (isLineBreak(ch)) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + pos++; } - matchedPattern = ts.matchPatternOrExact(ts.getOwnKeys(state.compilerOptions.paths), moduleName); + return result; } - if (matchedPattern) { - var matchedStar = typeof matchedPattern === "string" ? undefined : ts.matchedText(matchedPattern, moduleName); - var matchedPatternText = typeof matchedPattern === "string" ? matchedPattern : ts.patternText(matchedPattern); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText); - } - for (var _i = 0, _a = state.compilerOptions.paths[matchedPatternText]; _i < _a.length; _i++) { - var subst = _a[_i]; - var path = matchedStar ? subst.replace("*", matchedStar) : subst; - var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, path)); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path); + function scanTemplateAndSetTokenValue() { + var startedWithBacktick = text.charCodeAt(pos) === 96; + pos++; + var start = pos; + var contents = ""; + var resultingToken; + while (true) { + if (pos >= end) { + contents += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_template_literal); + resultingToken = startedWithBacktick ? 12 : 15; + break; } - var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); - if (resolvedFileName) { - return resolvedFileName; + var currChar = text.charCodeAt(pos); + if (currChar === 96) { + contents += text.substring(start, pos); + pos++; + resultingToken = startedWithBacktick ? 12 : 15; + break; + } + if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { + contents += text.substring(start, pos); + pos += 2; + resultingToken = startedWithBacktick ? 13 : 14; + break; + } + if (currChar === 92) { + contents += text.substring(start, pos); + contents += scanEscapeSequence(); + start = pos; + continue; + } + if (currChar === 13) { + contents += text.substring(start, pos); + pos++; + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + contents += "\n"; + start = pos; + continue; } + pos++; } - return undefined; + ts.Debug.assert(resultingToken !== undefined); + tokenValue = contents; + return resultingToken; } - else { - var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, moduleName)); - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, state.compilerOptions.baseUrl, candidate); + function scanEscapeSequence() { + pos++; + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + return ""; } - return loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); - } - } - function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { - var containingDirectory = ts.getDirectoryPath(containingFile); - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - var traceEnabled = isTraceEnabled(compilerOptions, host); - var failedLookupLocations = []; - var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: false }; - var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, nodeLoadModuleByRelativeName, failedLookupLocations, supportedExtensions, state); - var isExternalLibraryImport = false; - if (!resolvedFileName) { - if (moduleHasNonRelativeName(moduleName)) { - if (traceEnabled) { - trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder, moduleName); - } - resolvedFileName = loadModuleFromNodeModules(moduleName, containingDirectory, failedLookupLocations, state, false); - isExternalLibraryImport = resolvedFileName !== undefined; - } - else { - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - resolvedFileName = nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, false, state); - } - } - if (resolvedFileName && host.realpath) { - var originalFileName = resolvedFileName; - resolvedFileName = ts.normalizePath(host.realpath(resolvedFileName)); - if (traceEnabled) { - trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, originalFileName, resolvedFileName); + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 48: + return "\0"; + case 98: + return "\b"; + case 116: + return "\t"; + case 110: + return "\n"; + case 118: + return "\v"; + case 102: + return "\f"; + case 114: + return "\r"; + case 39: + return "\'"; + case 34: + return "\""; + case 117: + if (pos < end && text.charCodeAt(pos) === 123) { + hasExtendedUnicodeEscape = true; + pos++; + return scanExtendedUnicodeEscape(); + } + return scanHexadecimalEscape(4); + case 120: + return scanHexadecimalEscape(2); + case 13: + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + case 10: + case 8232: + case 8233: + return ""; + default: + return String.fromCharCode(ch); } } - return createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations); - } - ts.nodeModuleNameResolver = nodeModuleNameResolver; - function nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0, candidate); - } - var resolvedFileName = !ts.pathEndsWithDirectorySeparator(candidate) && loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state); - return resolvedFileName || loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, onlyRecordFailures, state); - } - function directoryProbablyExists(directoryName, host) { - return !host.directoryExists || host.directoryExists(directoryName); - } - ts.directoryProbablyExists = directoryProbablyExists; - function loadModuleFromFile(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { - var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state); - if (resolvedByAddingExtension) { - return resolvedByAddingExtension; - } - if (ts.hasJavaScriptFileExtension(candidate)) { - var extensionless = ts.removeFileExtension(candidate); - if (state.traceEnabled) { - var extension = candidate.substring(extensionless.length); - trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension); + function scanHexadecimalEscape(numDigits) { + var escapedValue = scanExactNumberOfHexDigits(numDigits); + if (escapedValue >= 0) { + return String.fromCharCode(escapedValue); } - return tryAddingExtensions(extensionless, extensions, failedLookupLocation, onlyRecordFailures, state); - } - } - function tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { - if (!onlyRecordFailures) { - var directory = ts.getDirectoryPath(candidate); - if (directory) { - onlyRecordFailures = !directoryProbablyExists(directory, state.host); + else { + error(ts.Diagnostics.Hexadecimal_digit_expected); + return ""; } } - return ts.forEach(extensions, function (ext) { - return !(state.skipTsx && ts.isJsxOrTsxExtension(ext)) && tryFile(candidate + ext, failedLookupLocation, onlyRecordFailures, state); - }); - } - function tryFile(fileName, failedLookupLocation, onlyRecordFailures, state) { - if (!onlyRecordFailures && state.host.fileExists(fileName)) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName); + function scanExtendedUnicodeEscape() { + var escapedValue = scanMinimumNumberOfHexDigits(1); + var isInvalidExtendedEscape = false; + if (escapedValue < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + isInvalidExtendedEscape = true; } - return fileName; - } - else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName); + else if (escapedValue > 0x10FFFF) { + error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); + isInvalidExtendedEscape = true; } - failedLookupLocation.push(fileName); - return undefined; - } - } - function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, state) { - var packageJsonPath = pathToPackageJson(candidate); - var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, state.host); - if (directoryExists && state.host.fileExists(packageJsonPath)) { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath); + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + isInvalidExtendedEscape = true; } - var typesFile = tryReadTypesSection(packageJsonPath, candidate, state); - if (typesFile) { - var onlyRecordFailures_1 = !directoryProbablyExists(ts.getDirectoryPath(typesFile), state.host); - var result = tryFile(typesFile, failedLookupLocation, onlyRecordFailures_1, state) || - tryAddingExtensions(typesFile, extensions, failedLookupLocation, onlyRecordFailures_1, state); - if (result) { - return result; - } + else if (text.charCodeAt(pos) === 125) { + pos++; } else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.package_json_does_not_have_types_field); - } + error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); + isInvalidExtendedEscape = true; } - } - else { - if (state.traceEnabled) { - trace(state.host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath); + if (isInvalidExtendedEscape) { + return ""; } - failedLookupLocation.push(packageJsonPath); + return utf16EncodeAsString(escapedValue); } - return loadModuleFromFile(ts.combinePaths(candidate, "index"), extensions, failedLookupLocation, !directoryExists, state); - } - function pathToPackageJson(directory) { - return ts.combinePaths(directory, "package.json"); - } - function loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state) { - var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); - var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, state.host); - var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); - var supportedExtensions = ts.getSupportedExtensions(state.compilerOptions); - var result = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, !nodeModulesFolderExists, state); - if (result) { - return result; + function utf16EncodeAsString(codePoint) { + ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); + if (codePoint <= 65535) { + return String.fromCharCode(codePoint); + } + var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; + var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; + return String.fromCharCode(codeUnit1, codeUnit2); } - result = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state); - if (result) { - return result; + function peekUnicodeEscape() { + if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { + var start_1 = pos; + pos += 2; + var value = scanExactNumberOfHexDigits(4); + pos = start_1; + return value; + } + return -1; } - } - function loadModuleFromNodeModules(moduleName, directory, failedLookupLocations, state, checkOneLevel) { - return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, false); - } - ts.loadModuleFromNodeModules = loadModuleFromNodeModules; - function loadModuleFromNodeModulesAtTypes(moduleName, directory, failedLookupLocations, state) { - return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, false, true); - } - function loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, typesOnly) { - directory = ts.normalizeSlashes(directory); - while (true) { - var baseName = ts.getBaseFileName(directory); - if (baseName !== "node_modules") { - var packageResult = void 0; - if (!typesOnly) { - packageResult = loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state); - if (packageResult && ts.hasTypeScriptFileExtension(packageResult)) { - return packageResult; + function scanIdentifierParts() { + var result = ""; + var start = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (isIdentifierPart(ch, languageVersion)) { + pos++; + } + else if (ch === 92) { + ch = peekUnicodeEscape(); + if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { + break; } + result += text.substring(start, pos); + result += String.fromCharCode(ch); + pos += 6; + start = pos; } - var typesResult = loadModuleFromNodeModulesFolder(ts.combinePaths("@types", moduleName), directory, failedLookupLocations, state); - if (typesResult || packageResult) { - return typesResult || packageResult; + else { + break; } } - var parentPath = ts.getDirectoryPath(directory); - if (parentPath === directory || checkOneLevel) { - break; - } - directory = parentPath; - } - return undefined; - } - function classicNameResolver(moduleName, containingFile, compilerOptions, host) { - var traceEnabled = isTraceEnabled(compilerOptions, host); - var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: !compilerOptions.jsx }; - var failedLookupLocations = []; - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - var containingDirectory = ts.getDirectoryPath(containingFile); - var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loadModuleFromFile, failedLookupLocations, supportedExtensions, state); - if (resolvedFileName) { - return createResolvedModule(resolvedFileName, false, failedLookupLocations); - } - var referencedSourceFile; - if (moduleHasNonRelativeName(moduleName)) { - referencedSourceFile = referencedSourceFile = loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) || - loadModuleFromNodeModulesAtTypes(moduleName, containingDirectory, failedLookupLocations, state); - } - else { - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - referencedSourceFile = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, false, state); - } - return referencedSourceFile - ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - ts.classicNameResolver = classicNameResolver; - function loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) { - while (true) { - var searchName = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var referencedSourceFile = loadModuleFromFile(searchName, supportedExtensions, failedLookupLocations, false, state); - if (referencedSourceFile) { - return referencedSourceFile; - } - var parentPath = ts.getDirectoryPath(containingDirectory); - if (parentPath === containingDirectory) { - return undefined; - } - containingDirectory = parentPath; + result += text.substring(start, pos); + return result; } - } -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.externalHelpersModuleNameText = "tslib"; - function getDeclarationOfKind(symbol, kind) { - var declarations = symbol.declarations; - if (declarations) { - for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { - var declaration = declarations_1[_i]; - if (declaration.kind === kind) { - return declaration; + function getIdentifierToken() { + var len = tokenValue.length; + if (len >= 2 && len <= 11) { + var ch = tokenValue.charCodeAt(0); + if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { + return token = textToToken[tokenValue]; } } + return token = 70; } - return undefined; - } - ts.getDeclarationOfKind = getDeclarationOfKind; - var stringWriters = []; - function getSingleLineStringWriter() { - if (stringWriters.length === 0) { - var str_1 = ""; - var writeText = function (text) { return str_1 += text; }; - return { - string: function () { return str_1; }, - writeKeyword: writeText, - writeOperator: writeText, - writePunctuation: writeText, - writeSpace: writeText, - writeStringLiteral: writeText, - writeParameter: writeText, - writeSymbol: writeText, - writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, - clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - } - return stringWriters.pop(); - } - ts.getSingleLineStringWriter = getSingleLineStringWriter; - function releaseStringWriter(writer) { - writer.clear(); - stringWriters.push(writer); - } - ts.releaseStringWriter = releaseStringWriter; - function getFullWidth(node) { - return node.end - node.pos; - } - ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; - function hasResolvedModule(sourceFile, moduleNameText) { - return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]); - } - ts.hasResolvedModule = hasResolvedModule; - function getResolvedModule(sourceFile, moduleNameText) { - return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; - } - ts.getResolvedModule = getResolvedModule; - function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { - if (!sourceFile.resolvedModules) { - sourceFile.resolvedModules = ts.createMap(); - } - sourceFile.resolvedModules[moduleNameText] = resolvedModule; - } - ts.setResolvedModule = setResolvedModule; - function setResolvedTypeReferenceDirective(sourceFile, typeReferenceDirectiveName, resolvedTypeReferenceDirective) { - if (!sourceFile.resolvedTypeReferenceDirectiveNames) { - sourceFile.resolvedTypeReferenceDirectiveNames = ts.createMap(); - } - sourceFile.resolvedTypeReferenceDirectiveNames[typeReferenceDirectiveName] = resolvedTypeReferenceDirective; - } - ts.setResolvedTypeReferenceDirective = setResolvedTypeReferenceDirective; - function moduleResolutionIsEqualTo(oldResolution, newResolution) { - return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport; - } - ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo; - function typeDirectiveIsEqualTo(oldResolution, newResolution) { - return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.primary === newResolution.primary; - } - ts.typeDirectiveIsEqualTo = typeDirectiveIsEqualTo; - function hasChangesInResolutions(names, newResolutions, oldResolutions, comparer) { - if (names.length !== newResolutions.length) { - return false; - } - for (var i = 0; i < names.length; i++) { - var newResolution = newResolutions[i]; - var oldResolution = oldResolutions && oldResolutions[names[i]]; - var changed = oldResolution - ? !newResolution || !comparer(oldResolution, newResolution) - : newResolution; - if (changed) { - return true; - } - } - return false; - } - ts.hasChangesInResolutions = hasChangesInResolutions; - function containsParseError(node) { - aggregateChildData(node); - return (node.flags & 2097152) !== 0; - } - ts.containsParseError = containsParseError; - function aggregateChildData(node) { - if (!(node.flags & 4194304)) { - var thisNodeOrAnySubNodesHasError = ((node.flags & 524288) !== 0) || - ts.forEachChild(node, containsParseError); - if (thisNodeOrAnySubNodesHasError) { - node.flags |= 2097152; + function scanBinaryOrOctalDigits(base) { + ts.Debug.assert(base === 2 || base === 8, "Expected either base 2 or base 8"); + var value = 0; + var numberOfDigits = 0; + while (true) { + var ch = text.charCodeAt(pos); + var valueOfCh = ch - 48; + if (!isDigit(ch) || valueOfCh >= base) { + break; + } + value = value * base + valueOfCh; + pos++; + numberOfDigits++; } - node.flags |= 4194304; - } - } - function getSourceFileOfNode(node) { - while (node && node.kind !== 256) { - node = node.parent; - } - return node; - } - ts.getSourceFileOfNode = getSourceFileOfNode; - function isStatementWithLocals(node) { - switch (node.kind) { - case 200: - case 228: - case 207: - case 208: - case 209: - return true; - } - return false; - } - ts.isStatementWithLocals = isStatementWithLocals; - function getStartPositionOfLine(line, sourceFile) { - ts.Debug.assert(line >= 0); - return ts.getLineStarts(sourceFile)[line]; - } - ts.getStartPositionOfLine = getStartPositionOfLine; - function nodePosToString(node) { - var file = getSourceFileOfNode(node); - var loc = ts.getLineAndCharacterOfPosition(file, node.pos); - return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; - } - ts.nodePosToString = nodePosToString; - function getStartPosOfNode(node) { - return node.pos; - } - ts.getStartPosOfNode = getStartPosOfNode; - function isDefined(value) { - return value !== undefined; - } - ts.isDefined = isDefined; - function getEndLinePosition(line, sourceFile) { - ts.Debug.assert(line >= 0); - var lineStarts = ts.getLineStarts(sourceFile); - var lineIndex = line; - var sourceText = sourceFile.text; - if (lineIndex + 1 === lineStarts.length) { - return sourceText.length - 1; - } - else { - var start = lineStarts[lineIndex]; - var pos = lineStarts[lineIndex + 1] - 1; - ts.Debug.assert(ts.isLineBreak(sourceText.charCodeAt(pos))); - while (start <= pos && ts.isLineBreak(sourceText.charCodeAt(pos))) { - pos--; + if (numberOfDigits === 0) { + return -1; } - return pos; - } - } - ts.getEndLinePosition = getEndLinePosition; - function nodeIsMissing(node) { - if (node === undefined) { - return true; - } - return node.pos === node.end && node.pos >= 0 && node.kind !== 1; - } - ts.nodeIsMissing = nodeIsMissing; - function nodeIsPresent(node) { - return !nodeIsMissing(node); - } - ts.nodeIsPresent = nodeIsPresent; - function getTokenPosOfNode(node, sourceFile, includeJsDocComment) { - if (nodeIsMissing(node)) { - return node.pos; - } - if (isJSDocNode(node)) { - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, false, true); - } - if (includeJsDocComment && node.jsDocComments && node.jsDocComments.length > 0) { - return getTokenPosOfNode(node.jsDocComments[0]); - } - if (node.kind === 286 && node._children.length > 0) { - return getTokenPosOfNode(node._children[0], sourceFile, includeJsDocComment); + return value; } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); - } - ts.getTokenPosOfNode = getTokenPosOfNode; - function isJSDocNode(node) { - return node.kind >= 257 && node.kind <= 282; - } - ts.isJSDocNode = isJSDocNode; - function isJSDocTag(node) { - return node.kind >= 273 && node.kind <= 285; - } - ts.isJSDocTag = isJSDocTag; - function getNonDecoratorTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node) || !node.decorators) { - return getTokenPosOfNode(node, sourceFile); - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); - } - ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; - function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - if (nodeIsMissing(node)) { - return ""; - } - var text = sourceFile.text; - return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); - } - ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; - function getTextOfNodeFromSourceText(sourceText, node) { - if (nodeIsMissing(node)) { - return ""; + function scan() { + startPos = pos; + hasExtendedUnicodeEscape = false; + precedingLineBreak = false; + tokenIsUnterminated = false; + while (true) { + tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var ch = text.charCodeAt(pos); + if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + if (skipTrivia) { + continue; + } + else { + return token = 6; + } + } + switch (ch) { + case 10: + case 13: + precedingLineBreak = true; + if (skipTrivia) { + pos++; + continue; + } + else { + if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { + pos += 2; + } + else { + pos++; + } + return token = 4; + } + case 9: + case 11: + case 12: + case 32: + if (skipTrivia) { + pos++; + continue; + } + else { + while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { + pos++; + } + return token = 5; + } + case 33: + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 34; + } + return pos += 2, token = 32; + } + pos++; + return token = 50; + case 34: + case 39: + tokenValue = scanString(); + return token = 9; + case 96: + return token = scanTemplateAndSetTokenValue(); + case 37: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 63; + } + pos++; + return token = 41; + case 38: + if (text.charCodeAt(pos + 1) === 38) { + return pos += 2, token = 52; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 67; + } + pos++; + return token = 47; + case 40: + pos++; + return token = 18; + case 41: + pos++; + return token = 19; + case 42: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 60; + } + if (text.charCodeAt(pos + 1) === 42) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 61; + } + return pos += 2, token = 39; + } + pos++; + return token = 38; + case 43: + if (text.charCodeAt(pos + 1) === 43) { + return pos += 2, token = 42; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 58; + } + pos++; + return token = 36; + case 44: + pos++; + return token = 25; + case 45: + if (text.charCodeAt(pos + 1) === 45) { + return pos += 2, token = 43; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 59; + } + pos++; + return token = 37; + case 46: + if (isDigit(text.charCodeAt(pos + 1))) { + tokenValue = scanNumber(); + return token = 8; + } + if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { + return pos += 3, token = 23; + } + pos++; + return token = 22; + case 47: + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < end) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + if (skipTrivia) { + continue; + } + else { + return token = 2; + } + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + var commentClosed = false; + while (pos < end) { + var ch_2 = text.charCodeAt(pos); + if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + commentClosed = true; + break; + } + if (isLineBreak(ch_2)) { + precedingLineBreak = true; + } + pos++; + } + if (!commentClosed) { + error(ts.Diagnostics.Asterisk_Slash_expected); + } + if (skipTrivia) { + continue; + } + else { + tokenIsUnterminated = !commentClosed; + return token = 3; + } + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 62; + } + pos++; + return token = 40; + case 48: + if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { + pos += 2; + var value = scanMinimumNumberOfHexDigits(1); + if (value < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { + pos += 2; + var value = scanBinaryOrOctalDigits(2); + if (value < 0) { + error(ts.Diagnostics.Binary_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { + pos += 2; + var value = scanBinaryOrOctalDigits(8); + if (value < 0) { + error(ts.Diagnostics.Octal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { + tokenValue = "" + scanOctalDigits(); + return token = 8; + } + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + tokenValue = scanNumber(); + return token = 8; + case 58: + pos++; + return token = 55; + case 59: + pos++; + return token = 24; + case 60: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 60) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 64; + } + return pos += 2, token = 44; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 29; + } + if (languageVariant === 1 && + text.charCodeAt(pos + 1) === 47 && + text.charCodeAt(pos + 2) !== 42) { + return pos += 2, token = 27; + } + pos++; + return token = 26; + case 61: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 33; + } + return pos += 2, token = 31; + } + if (text.charCodeAt(pos + 1) === 62) { + return pos += 2, token = 35; + } + pos++; + return token = 57; + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + pos++; + return token = 28; + case 63: + pos++; + return token = 54; + case 91: + pos++; + return token = 20; + case 93: + pos++; + return token = 21; + case 94: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 69; + } + pos++; + return token = 49; + case 123: + pos++; + return token = 16; + case 124: + if (text.charCodeAt(pos + 1) === 124) { + return pos += 2, token = 53; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 68; + } + pos++; + return token = 48; + case 125: + pos++; + return token = 17; + case 126: + pos++; + return token = 51; + case 64: + pos++; + return token = 56; + case 92: + var cookedChar = peekUnicodeEscape(); + if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { + pos += 6; + tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); + return token = getIdentifierToken(); + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + default: + if (isIdentifierStart(ch, languageVersion)) { + pos++; + while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) + pos++; + tokenValue = text.substring(tokenPos, pos); + if (ch === 92) { + tokenValue += scanIdentifierParts(); + } + return token = getIdentifierToken(); + } + else if (isWhiteSpaceSingleLine(ch)) { + pos++; + continue; + } + else if (isLineBreak(ch)) { + precedingLineBreak = true; + pos++; + continue; + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + } + } } - return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); - } - ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; - function getTextOfNode(node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); - } - ts.getTextOfNode = getTextOfNode; - function getLiteralText(node, sourceFile, languageVersion) { - if (languageVersion < 2 && (isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { - return getQuotedEscapedLiteralText('"', node.text, '"'); + function reScanGreaterToken() { + if (token === 28) { + if (text.charCodeAt(pos) === 62) { + if (text.charCodeAt(pos + 1) === 62) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 66; + } + return pos += 2, token = 46; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 65; + } + pos++; + return token = 45; + } + if (text.charCodeAt(pos) === 61) { + pos++; + return token = 30; + } + } + return token; } - if (!nodeIsSynthesized(node) && node.parent) { - var text = getSourceTextOfNodeFromSourceFile(sourceFile, node); - if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { - return node.text; + function reScanSlashToken() { + if (token === 40 || token === 62) { + var p = tokenPos + 1; + var inEscape = false; + var inCharacterClass = false; + while (true) { + if (p >= end) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + var ch = text.charCodeAt(p); + if (isLineBreak(ch)) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + if (inEscape) { + inEscape = false; + } + else if (ch === 47 && !inCharacterClass) { + p++; + break; + } + else if (ch === 91) { + inCharacterClass = true; + } + else if (ch === 92) { + inEscape = true; + } + else if (ch === 93) { + inCharacterClass = false; + } + p++; + } + while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { + p++; + } + pos = p; + tokenValue = text.substring(tokenPos, pos); + token = 11; } - return text; + return token; } - switch (node.kind) { - case 9: - return getQuotedEscapedLiteralText('"', node.text, '"'); - case 12: - return getQuotedEscapedLiteralText("`", node.text, "`"); - case 13: - return getQuotedEscapedLiteralText("`", node.text, "${"); - case 14: - return getQuotedEscapedLiteralText("}", node.text, "${"); - case 15: - return getQuotedEscapedLiteralText("}", node.text, "`"); - case 8: - return node.text; + function reScanTemplateToken() { + ts.Debug.assert(token === 17, "'reScanTemplateToken' should only be called on a '}'"); + pos = tokenPos; + return token = scanTemplateAndSetTokenValue(); } - ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); - } - ts.getLiteralText = getLiteralText; - function isBinaryOrOctalIntegerLiteral(node, text) { - if (node.kind === 8 && text.length > 1) { - switch (text.charCodeAt(1)) { - case 98: - case 66: - case 111: - case 79: - return true; - } + function reScanJsxToken() { + pos = tokenPos = startPos; + return token = scanJsxToken(); } - return false; - } - ts.isBinaryOrOctalIntegerLiteral = isBinaryOrOctalIntegerLiteral; - function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { - return leftQuote + escapeNonAsciiCharacters(escapeString(text)) + rightQuote; - } - function escapeIdentifier(identifier) { - return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; - } - ts.escapeIdentifier = escapeIdentifier; - function unescapeIdentifier(identifier) { - return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; - } - ts.unescapeIdentifier = unescapeIdentifier; - function makeIdentifierFromModuleName(moduleName) { - return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); - } - ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; - function isBlockOrCatchScoped(declaration) { - return (ts.getCombinedNodeFlags(declaration) & 3) !== 0 || - isCatchClauseVariableDeclaration(declaration); - } - ts.isBlockOrCatchScoped = isBlockOrCatchScoped; - function isAmbientModule(node) { - return node && node.kind === 226 && - (node.name.kind === 9 || isGlobalScopeAugmentation(node)); - } - ts.isAmbientModule = isAmbientModule; - function isShorthandAmbientModuleSymbol(moduleSymbol) { - return isShorthandAmbientModule(moduleSymbol.valueDeclaration); - } - ts.isShorthandAmbientModuleSymbol = isShorthandAmbientModuleSymbol; - function isShorthandAmbientModule(node) { - return node.kind === 226 && (!node.body); - } - function isBlockScopedContainerTopLevel(node) { - return node.kind === 256 || - node.kind === 226 || - isFunctionLike(node); - } - ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; - function isGlobalScopeAugmentation(module) { - return !!(module.flags & 512); - } - ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; - function isExternalModuleAugmentation(node) { - if (!node || !isAmbientModule(node)) { - return false; + function scanJsxToken() { + startPos = tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var char = text.charCodeAt(pos); + if (char === 60) { + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + return token = 27; + } + pos++; + return token = 26; + } + if (char === 123) { + pos++; + return token = 16; + } + while (pos < end) { + pos++; + char = text.charCodeAt(pos); + if ((char === 123) || (char === 60)) { + break; + } + } + return token = 10; } - switch (node.parent.kind) { - case 256: - return ts.isExternalModule(node.parent); - case 227: - return isAmbientModule(node.parent.parent) && !ts.isExternalModule(node.parent.parent.parent); + function scanJsxIdentifier() { + if (tokenIsIdentifierOrKeyword(token)) { + var firstCharPosition = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { + pos++; + } + else { + break; + } + } + tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); + } + return token; } - return false; - } - ts.isExternalModuleAugmentation = isExternalModuleAugmentation; - function isBlockScope(node, parentNode) { - switch (node.kind) { - case 256: - case 228: - case 252: - case 226: - case 207: - case 208: - case 209: - case 149: - case 148: - case 150: - case 151: - case 221: - case 180: - case 181: - return true; - case 200: - return parentNode && !isFunctionLike(parentNode); + function scanJsxAttributeValue() { + startPos = pos; + switch (text.charCodeAt(pos)) { + case 34: + case 39: + tokenValue = scanString(false); + return token = 9; + default: + return scan(); + } } - return false; - } - ts.isBlockScope = isBlockScope; - function getEnclosingBlockScopeContainer(node) { - var current = node.parent; - while (current) { - if (isBlockScope(current, current.parent)) { - return current; + function scanJSDocToken() { + if (pos >= end) { + return token = 1; + } + startPos = pos; + tokenPos = pos; + var ch = text.charCodeAt(pos); + switch (ch) { + case 9: + case 11: + case 12: + case 32: + while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { + pos++; + } + return token = 5; + case 64: + pos++; + return token = 56; + case 10: + case 13: + pos++; + return token = 4; + case 42: + pos++; + return token = 38; + case 123: + pos++; + return token = 16; + case 125: + pos++; + return token = 17; + case 91: + pos++; + return token = 20; + case 93: + pos++; + return token = 21; + case 61: + pos++; + return token = 57; + case 44: + pos++; + return token = 25; + case 46: + pos++; + return token = 22; + } + if (isIdentifierStart(ch, 4)) { + pos++; + while (isIdentifierPart(text.charCodeAt(pos), 4) && pos < end) { + pos++; + } + return token = 70; + } + else { + return pos += 1, token = 0; } - current = current.parent; } - } - ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 219 && - declaration.parent && - declaration.parent.kind === 252; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; - function declarationNameToString(name) { - return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); - } - ts.declarationNameToString = declarationNameToString; - function createDiagnosticForNode(node, message, arg0, arg1, arg2) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); - } - ts.createDiagnosticForNode = createDiagnosticForNode; - function createDiagnosticForNodeFromMessageChain(node, messageChain) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return { - file: sourceFile, - start: span.start, - length: span.length, - code: messageChain.code, - category: messageChain.category, - messageText: messageChain.next ? messageChain : messageChain.messageText - }; - } - ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; - function getSpanOfTokenAtPosition(sourceFile, pos) { - var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); - scanner.scan(); - var start = scanner.getTokenPos(); - return ts.createTextSpanFromBounds(start, scanner.getTextPos()); - } - ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; - function getErrorSpanForArrowFunction(sourceFile, node) { - var pos = ts.skipTrivia(sourceFile.text, node.pos); - if (node.body && node.body.kind === 200) { - var startLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.end).line; - if (startLine < endLine) { - return ts.createTextSpan(pos, getEndLinePosition(startLine, sourceFile) - pos + 1); + function speculationHelper(callback, isLookahead) { + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var saveTokenValue = tokenValue; + var savePrecedingLineBreak = precedingLineBreak; + var result = callback(); + if (!result || isLookahead) { + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + tokenValue = saveTokenValue; + precedingLineBreak = savePrecedingLineBreak; } + return result; } - return ts.createTextSpanFromBounds(pos, node.end); - } - function getErrorSpanForNode(sourceFile, node) { - var errorNode = node; - switch (node.kind) { - case 256: - var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); - if (pos_1 === sourceFile.text.length) { - return ts.createTextSpan(0, 0); - } - return getSpanOfTokenAtPosition(sourceFile, pos_1); - case 219: - case 170: - case 222: - case 193: - case 223: - case 226: - case 225: - case 255: - case 221: - case 180: - case 148: - case 150: - case 151: - case 224: - errorNode = node.name; - break; - case 181: - return getErrorSpanForArrowFunction(sourceFile, node); + function scanRange(start, length, callback) { + var saveEnd = end; + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var savePrecedingLineBreak = precedingLineBreak; + var saveTokenValue = tokenValue; + var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; + var saveTokenIsUnterminated = tokenIsUnterminated; + setText(text, start, length); + var result = callback(); + end = saveEnd; + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + precedingLineBreak = savePrecedingLineBreak; + tokenValue = saveTokenValue; + hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; + tokenIsUnterminated = saveTokenIsUnterminated; + return result; } - if (errorNode === undefined) { - return getSpanOfTokenAtPosition(sourceFile, node.pos); + function lookAhead(callback) { + return speculationHelper(callback, true); } - var pos = nodeIsMissing(errorNode) - ? errorNode.pos - : ts.skipTrivia(sourceFile.text, errorNode.pos); - return ts.createTextSpanFromBounds(pos, errorNode.end); - } - ts.getErrorSpanForNode = getErrorSpanForNode; - function isExternalOrCommonJsModule(file) { - return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; - } - ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; - function isDeclarationFile(file) { - return file.isDeclarationFile; - } - ts.isDeclarationFile = isDeclarationFile; - function isConstEnumDeclaration(node) { - return node.kind === 225 && isConst(node); - } - ts.isConstEnumDeclaration = isConstEnumDeclaration; - function isConst(node) { - return !!(ts.getCombinedNodeFlags(node) & 2) - || !!(ts.getCombinedModifierFlags(node) & 2048); - } - ts.isConst = isConst; - function isLet(node) { - return !!(ts.getCombinedNodeFlags(node) & 1); - } - ts.isLet = isLet; - function isSuperCall(n) { - return n.kind === 175 && n.expression.kind === 96; - } - ts.isSuperCall = isSuperCall; - function isPrologueDirective(node) { - return node.kind === 203 && node.expression.kind === 9; - } - ts.isPrologueDirective = isPrologueDirective; - function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { - return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); - } - ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; - function getLeadingCommentRangesOfNodeFromText(node, text) { - return ts.getLeadingCommentRanges(text, node.pos); - } - ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; - function getJsDocComments(node, sourceFileOfNode) { - return getJsDocCommentsFromText(node, sourceFileOfNode.text); - } - ts.getJsDocComments = getJsDocComments; - function getJsDocCommentsFromText(node, text) { - var commentRanges = (node.kind === 143 || - node.kind === 142 || - node.kind === 180 || - node.kind === 181) ? - ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : - getLeadingCommentRangesOfNodeFromText(node, text); - return ts.filter(commentRanges, isJsDocComment); - function isJsDocComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 42 && - text.charCodeAt(comment.pos + 3) !== 47; + function tryScan(callback) { + return speculationHelper(callback, false); } - } - ts.getJsDocCommentsFromText = getJsDocCommentsFromText; - ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; - function isPartOfTypeNode(node) { - if (155 <= node.kind && node.kind <= 167) { - return true; + function getText() { + return text; } - switch (node.kind) { - case 118: - case 131: - case 133: - case 121: - case 134: - case 136: - case 128: - return true; - case 104: - return node.parent.kind !== 184; - case 195: - return !isExpressionWithTypeArgumentsInClassExtendsClause(node); - case 70: - if (node.parent.kind === 140 && node.parent.right === node) { - node = node.parent; - } - else if (node.parent.kind === 173 && node.parent.name === node) { - node = node.parent; - } - ts.Debug.assert(node.kind === 70 || node.kind === 140 || node.kind === 173, "'node' was expected to be a qualified name, identifier or property access in 'isPartOfTypeNode'."); - case 140: - case 173: - case 98: - var parent_2 = node.parent; - if (parent_2.kind === 159) { - return false; - } - if (155 <= parent_2.kind && parent_2.kind <= 167) { - return true; - } - switch (parent_2.kind) { - case 195: - return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); - case 142: - return node === parent_2.constraint; - case 146: - case 145: - case 143: - case 219: - return node === parent_2.type; - case 221: - case 180: - case 181: - case 149: - case 148: - case 147: - case 150: - case 151: - return node === parent_2.type; - case 152: - case 153: - case 154: - return node === parent_2.type; - case 178: - return node === parent_2.type; - case 175: - case 176: - return parent_2.typeArguments && ts.indexOf(parent_2.typeArguments, node) >= 0; - case 177: - return false; - } + function setText(newText, start, length) { + text = newText || ""; + end = length === undefined ? text.length : start + length; + setTextPos(start || 0); } - return false; - } - ts.isPartOfTypeNode = isPartOfTypeNode; - function forEachReturnStatement(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 212: - return visitor(node); - case 228: - case 200: - case 204: - case 205: - case 206: - case 207: - case 208: - case 209: - case 213: - case 214: - case 249: - case 250: - case 215: - case 217: - case 252: - return ts.forEachChild(node, traverse); - } + function setOnError(errorCallback) { + onError = errorCallback; } - } - ts.forEachReturnStatement = forEachReturnStatement; - function forEachYieldExpression(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 191: - visitor(node); - var operand = node.expression; - if (operand) { - traverse(operand); - } - case 225: - case 223: - case 226: - case 224: - case 222: - case 193: - return; - default: - if (isFunctionLike(node)) { - var name_4 = node.name; - if (name_4 && name_4.kind === 141) { - traverse(name_4.expression); - return; - } - } - else if (!isPartOfTypeNode(node)) { - ts.forEachChild(node, traverse); - } - } + function setScriptTarget(scriptTarget) { + languageVersion = scriptTarget; } - } - ts.forEachYieldExpression = forEachYieldExpression; - function isVariableLike(node) { - if (node) { - switch (node.kind) { - case 170: - case 255: - case 143: - case 253: - case 146: - case 145: - case 254: - case 219: - return true; - } + function setLanguageVariant(variant) { + languageVariant = variant; + } + function setTextPos(textPos) { + ts.Debug.assert(textPos >= 0); + pos = textPos; + startPos = textPos; + tokenPos = textPos; + token = 0; + precedingLineBreak = false; + tokenValue = undefined; + hasExtendedUnicodeEscape = false; + tokenIsUnterminated = false; } - return false; - } - ts.isVariableLike = isVariableLike; - function isAccessor(node) { - return node && (node.kind === 150 || node.kind === 151); } - ts.isAccessor = isAccessor; - function isClassLike(node) { - return node && (node.kind === 222 || node.kind === 193); - } - ts.isClassLike = isClassLike; - function isFunctionLike(node) { - return node && isFunctionLikeKind(node.kind); - } - ts.isFunctionLike = isFunctionLike; - function isFunctionLikeKind(kind) { - switch (kind) { - case 149: - case 180: - case 221: - case 181: - case 148: - case 147: - case 150: - case 151: - case 152: - case 153: - case 154: - case 157: - case 158: - return true; - } - return false; - } - ts.isFunctionLikeKind = isFunctionLikeKind; - function introducesArgumentsExoticObject(node) { - switch (node.kind) { - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 180: - return true; - } - return false; - } - ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; - function isIterationStatement(node, lookInLabeledStatements) { - switch (node.kind) { - case 207: - case 208: - case 209: - case 205: - case 206: - return true; - case 215: - return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); - } - return false; - } - ts.isIterationStatement = isIterationStatement; - function isFunctionBlock(node) { - return node && node.kind === 200 && isFunctionLike(node.parent); - } - ts.isFunctionBlock = isFunctionBlock; - function isObjectLiteralMethod(node) { - return node && node.kind === 148 && node.parent.kind === 172; - } - ts.isObjectLiteralMethod = isObjectLiteralMethod; - function isObjectLiteralOrClassExpressionMethod(node) { - return node.kind === 148 && - (node.parent.kind === 172 || - node.parent.kind === 193); - } - ts.isObjectLiteralOrClassExpressionMethod = isObjectLiteralOrClassExpressionMethod; - function isIdentifierTypePredicate(predicate) { - return predicate && predicate.kind === 1; - } - ts.isIdentifierTypePredicate = isIdentifierTypePredicate; - function isThisTypePredicate(predicate) { - return predicate && predicate.kind === 0; - } - ts.isThisTypePredicate = isThisTypePredicate; - function getContainingFunction(node) { - while (true) { - node = node.parent; - if (!node || isFunctionLike(node)) { - return node; - } - } - } - ts.getContainingFunction = getContainingFunction; - function getContainingClass(node) { - while (true) { - node = node.parent; - if (!node || isClassLike(node)) { - return node; - } - } - } - ts.getContainingClass = getContainingClass; - function getThisContainer(node, includeArrowFunctions) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 141: - if (isClassLike(node.parent.parent)) { - return node; - } - node = node.parent; - break; - case 144: - if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; - case 181: - if (!includeArrowFunctions) { - continue; - } - case 221: - case 180: - case 226: - case 146: - case 145: - case 148: - case 147: - case 149: - case 150: - case 151: - case 152: - case 153: - case 154: - case 225: - case 256: - return node; + ts.createScanner = createScanner; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" }; + ts.optionDeclarations = [ + { + name: "charset", + type: "string", + }, + ts.compileOnSaveCommandLineOption, + { + name: "declaration", + shortName: "d", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_d_ts_file, + }, + { + name: "declarationDir", + type: "string", + isFilePath: true, + paramType: ts.Diagnostics.DIRECTORY, + }, + { + name: "diagnostics", + type: "boolean", + }, + { + name: "extendedDiagnostics", + type: "boolean", + experimental: true + }, + { + name: "emitBOM", + type: "boolean" + }, + { + name: "help", + shortName: "h", + type: "boolean", + description: ts.Diagnostics.Print_this_message, + }, + { + name: "help", + shortName: "?", + type: "boolean" + }, + { + name: "init", + type: "boolean", + description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file, + }, + { + name: "inlineSourceMap", + type: "boolean", + }, + { + name: "inlineSources", + type: "boolean", + }, + { + name: "jsx", + type: ts.createMap({ + "preserve": 1, + "react": 2 + }), + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, + }, + { + name: "reactNamespace", + type: "string", + description: ts.Diagnostics.Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit + }, + { + name: "listFiles", + type: "boolean", + }, + { + name: "locale", + type: "string", + }, + { + name: "mapRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, + paramType: ts.Diagnostics.LOCATION, + }, + { + name: "module", + shortName: "m", + type: ts.createMap({ + "none": ts.ModuleKind.None, + "commonjs": ts.ModuleKind.CommonJS, + "amd": ts.ModuleKind.AMD, + "system": ts.ModuleKind.System, + "umd": ts.ModuleKind.UMD, + "es6": ts.ModuleKind.ES2015, + "es2015": ts.ModuleKind.ES2015, + }), + description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, + paramType: ts.Diagnostics.KIND, + }, + { + name: "newLine", + type: ts.createMap({ + "crlf": 0, + "lf": 1 + }), + description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, + paramType: ts.Diagnostics.NEWLINE, + }, + { + name: "noEmit", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs, + }, + { + name: "noEmitHelpers", + type: "boolean" + }, + { + name: "noEmitOnError", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported, + }, + { + name: "noErrorTruncation", + type: "boolean" + }, + { + name: "noImplicitAny", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type, + }, + { + name: "noImplicitThis", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type, + }, + { + name: "noUnusedLocals", + type: "boolean", + description: ts.Diagnostics.Report_errors_on_unused_locals, + }, + { + name: "noUnusedParameters", + type: "boolean", + description: ts.Diagnostics.Report_errors_on_unused_parameters, + }, + { + name: "noLib", + type: "boolean", + }, + { + name: "noResolve", + type: "boolean", + }, + { + name: "skipDefaultLibCheck", + type: "boolean", + }, + { + name: "skipLibCheck", + type: "boolean", + description: ts.Diagnostics.Skip_type_checking_of_declaration_files, + }, + { + name: "out", + type: "string", + isFilePath: false, + paramType: ts.Diagnostics.FILE, + }, + { + name: "outFile", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, + paramType: ts.Diagnostics.FILE, + }, + { + name: "outDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Redirect_output_structure_to_the_directory, + paramType: ts.Diagnostics.DIRECTORY, + }, + { + name: "preserveConstEnums", + type: "boolean", + description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code + }, + { + name: "pretty", + description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, + type: "boolean" + }, + { + name: "project", + shortName: "p", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Compile_the_project_in_the_given_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "removeComments", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_comments_to_output, + }, + { + name: "rootDir", + type: "string", + isFilePath: true, + paramType: ts.Diagnostics.LOCATION, + description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, + }, + { + name: "isolatedModules", + type: "boolean", + }, + { + name: "sourceMap", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_map_file, + }, + { + name: "sourceRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, + paramType: ts.Diagnostics.LOCATION, + }, + { + name: "suppressExcessPropertyErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, + experimental: true + }, + { + name: "suppressImplicitAnyIndexErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures, + }, + { + name: "stripInternal", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, + experimental: true + }, + { + name: "target", + shortName: "t", + type: ts.createMap({ + "es3": 0, + "es5": 1, + "es6": 2, + "es2015": 2, + "es2016": 3, + "es2017": 4, + }), + description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015, + paramType: ts.Diagnostics.VERSION, + }, + { + name: "version", + shortName: "v", + type: "boolean", + description: ts.Diagnostics.Print_the_compiler_s_version, + }, + { + name: "watch", + shortName: "w", + type: "boolean", + description: ts.Diagnostics.Watch_input_files, + }, + { + name: "experimentalDecorators", + type: "boolean", + description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators + }, + { + name: "emitDecoratorMetadata", + type: "boolean", + experimental: true, + description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators + }, + { + name: "moduleResolution", + type: ts.createMap({ + "node": ts.ModuleResolutionKind.NodeJs, + "classic": ts.ModuleResolutionKind.Classic, + }), + description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, + paramType: ts.Diagnostics.STRATEGY, + }, + { + name: "allowUnusedLabels", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unused_labels + }, + { + name: "noImplicitReturns", + type: "boolean", + description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value + }, + { + name: "noFallthroughCasesInSwitch", + type: "boolean", + description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement + }, + { + name: "allowUnreachableCode", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code + }, + { + name: "forceConsistentCasingInFileNames", + type: "boolean", + description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file + }, + { + name: "baseUrl", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names + }, + { + name: "paths", + type: "object", + isTSConfigOnly: true + }, + { + name: "rootDirs", + type: "list", + isTSConfigOnly: true, + element: { + name: "rootDirs", + type: "string", + isFilePath: true } - } - } - ts.getThisContainer = getThisContainer; - function getSuperContainer(node, stopOnFunctions) { - while (true) { - node = node.parent; - if (!node) { - return node; - } - switch (node.kind) { - case 141: - node = node.parent; - break; - case 221: - case 180: - case 181: - if (!stopOnFunctions) { - continue; - } - case 146: - case 145: - case 148: - case 147: - case 149: - case 150: - case 151: - return node; - case 144: - if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; + }, + { + name: "typeRoots", + type: "list", + element: { + name: "typeRoots", + type: "string", + isFilePath: true } + }, + { + name: "types", + type: "list", + element: { + name: "types", + type: "string" + }, + description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation + }, + { + name: "traceResolution", + type: "boolean", + description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process + }, + { + name: "allowJs", + type: "boolean", + description: ts.Diagnostics.Allow_javascript_files_to_be_compiled + }, + { + name: "allowSyntheticDefaultImports", + type: "boolean", + description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking + }, + { + name: "noImplicitUseStrict", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output + }, + { + name: "maxNodeModuleJsDepth", + type: "number", + description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files + }, + { + name: "listEmittedFiles", + type: "boolean" + }, + { + name: "lib", + type: "list", + element: { + name: "lib", + type: ts.createMap({ + "es5": "lib.es5.d.ts", + "es6": "lib.es2015.d.ts", + "es2015": "lib.es2015.d.ts", + "es7": "lib.es2016.d.ts", + "es2016": "lib.es2016.d.ts", + "es2017": "lib.es2017.d.ts", + "dom": "lib.dom.d.ts", + "dom.iterable": "lib.dom.iterable.d.ts", + "webworker": "lib.webworker.d.ts", + "scripthost": "lib.scripthost.d.ts", + "es2015.core": "lib.es2015.core.d.ts", + "es2015.collection": "lib.es2015.collection.d.ts", + "es2015.generator": "lib.es2015.generator.d.ts", + "es2015.iterable": "lib.es2015.iterable.d.ts", + "es2015.promise": "lib.es2015.promise.d.ts", + "es2015.proxy": "lib.es2015.proxy.d.ts", + "es2015.reflect": "lib.es2015.reflect.d.ts", + "es2015.symbol": "lib.es2015.symbol.d.ts", + "es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts", + "es2016.array.include": "lib.es2016.array.include.d.ts", + "es2017.object": "lib.es2017.object.d.ts", + "es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts" + }), + }, + description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon + }, + { + name: "disableSizeLimit", + type: "boolean" + }, + { + name: "strictNullChecks", + type: "boolean", + description: ts.Diagnostics.Enable_strict_null_checks + }, + { + name: "importHelpers", + type: "boolean", + description: ts.Diagnostics.Import_emit_helpers_from_tslib + }, + { + name: "alwaysStrict", + type: "boolean", + description: ts.Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file } - } - ts.getSuperContainer = getSuperContainer; - function getImmediatelyInvokedFunctionExpression(func) { - if (func.kind === 180 || func.kind === 181) { - var prev = func; - var parent_3 = func.parent; - while (parent_3.kind === 179) { - prev = parent_3; - parent_3 = parent_3.parent; + ]; + ts.typingOptionDeclarations = [ + { + name: "enableAutoDiscovery", + type: "boolean", + }, + { + name: "include", + type: "list", + element: { + name: "include", + type: "string" } - if (parent_3.kind === 175 && parent_3.expression === prev) { - return parent_3; + }, + { + name: "exclude", + type: "list", + element: { + name: "exclude", + type: "string" } } - } - ts.getImmediatelyInvokedFunctionExpression = getImmediatelyInvokedFunctionExpression; - function isSuperProperty(node) { - var kind = node.kind; - return (kind === 173 || kind === 174) - && node.expression.kind === 96; - } - ts.isSuperProperty = isSuperProperty; - function getEntityNameFromTypeNode(node) { - if (node) { - switch (node.kind) { - case 156: - return node.typeName; - case 195: - ts.Debug.assert(isEntityNameExpression(node.expression)); - return node.expression; - case 70: - case 140: - return node; - } + ]; + ts.defaultInitCompilerOptions = { + module: ts.ModuleKind.CommonJS, + target: 1, + noImplicitAny: false, + sourceMap: false, + }; + var optionNameMapCache; + function getOptionNameMap() { + if (optionNameMapCache) { + return optionNameMapCache; } - return undefined; + var optionNameMap = ts.createMap(); + var shortOptionNames = ts.createMap(); + ts.forEach(ts.optionDeclarations, function (option) { + optionNameMap[option.name.toLowerCase()] = option; + if (option.shortName) { + shortOptionNames[option.shortName] = option.name; + } + }); + optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; + return optionNameMapCache; } - ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; - function isCallLikeExpression(node) { - switch (node.kind) { - case 175: - case 176: - case 177: - case 144: - return true; - default: - return false; - } + ts.getOptionNameMap = getOptionNameMap; + function createCompilerDiagnosticForInvalidCustomType(opt) { + var namesOfType = Object.keys(opt.type).map(function (key) { return "'" + key + "'"; }).join(", "); + return ts.createCompilerDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType); } - ts.isCallLikeExpression = isCallLikeExpression; - function getInvokedExpression(node) { - if (node.kind === 177) { - return node.tag; + ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType; + function parseCustomTypeOption(opt, value, errors) { + var key = trimString((value || "")).toLowerCase(); + var map = opt.type; + if (key in map) { + return map[key]; } - return node.expression; - } - ts.getInvokedExpression = getInvokedExpression; - function nodeCanBeDecorated(node) { - switch (node.kind) { - case 222: - return true; - case 146: - return node.parent.kind === 222; - case 150: - case 151: - case 148: - return node.body !== undefined - && node.parent.kind === 222; - case 143: - return node.parent.body !== undefined - && (node.parent.kind === 149 - || node.parent.kind === 148 - || node.parent.kind === 151) - && node.parent.parent.kind === 222; + else { + errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); } - return false; - } - ts.nodeCanBeDecorated = nodeCanBeDecorated; - function nodeIsDecorated(node) { - return node.decorators !== undefined - && nodeCanBeDecorated(node); } - ts.nodeIsDecorated = nodeIsDecorated; - function nodeOrChildIsDecorated(node) { - return nodeIsDecorated(node) || childIsDecorated(node); - } - ts.nodeOrChildIsDecorated = nodeOrChildIsDecorated; - function childIsDecorated(node) { - switch (node.kind) { - case 222: - return ts.forEach(node.members, nodeOrChildIsDecorated); - case 148: - case 151: - return ts.forEach(node.parameters, nodeIsDecorated); + ts.parseCustomTypeOption = parseCustomTypeOption; + function parseListTypeOption(opt, value, errors) { + if (value === void 0) { value = ""; } + value = trimString(value); + if (ts.startsWith(value, "-")) { + return undefined; } - } - ts.childIsDecorated = childIsDecorated; - function isJSXTagName(node) { - var parent = node.parent; - if (parent.kind === 244 || - parent.kind === 243 || - parent.kind === 245) { - return parent.tagName === node; + if (value === "") { + return []; + } + var values = value.split(","); + switch (opt.element.type) { + case "number": + return ts.map(values, parseInt); + case "string": + return ts.map(values, function (v) { return v || ""; }); + default: + return ts.filter(ts.map(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }), function (v) { return !!v; }); } - return false; } - ts.isJSXTagName = isJSXTagName; - function isPartOfExpression(node) { - switch (node.kind) { - case 98: - case 96: - case 94: - case 100: - case 85: - case 11: - case 171: - case 172: - case 173: - case 174: - case 175: - case 176: - case 177: - case 196: - case 178: - case 197: - case 179: - case 180: - case 193: - case 181: - case 184: - case 182: - case 183: - case 186: - case 187: - case 188: - case 189: - case 192: - case 190: - case 12: - case 194: - case 242: - case 243: - case 191: - case 185: - return true; - case 140: - while (node.parent.kind === 140) { - node = node.parent; - } - return node.parent.kind === 159 || isJSXTagName(node); - case 70: - if (node.parent.kind === 159 || isJSXTagName(node)) { - return true; + ts.parseListTypeOption = parseListTypeOption; + function parseCommandLine(commandLine, readFile) { + var options = {}; + var fileNames = []; + var errors = []; + var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; + parseStrings(commandLine); + return { + options: options, + fileNames: fileNames, + errors: errors + }; + function parseStrings(args) { + var i = 0; + while (i < args.length) { + var s = args[i]; + i++; + if (s.charCodeAt(0) === 64) { + parseResponseFile(s.slice(1)); } - case 8: - case 9: - case 98: - var parent_4 = node.parent; - switch (parent_4.kind) { - case 219: - case 143: - case 146: - case 145: - case 255: - case 253: - case 170: - return parent_4.initializer === node; - case 203: - case 204: - case 205: - case 206: - case 212: - case 213: - case 214: - case 249: - case 216: - case 214: - return parent_4.expression === node; - case 207: - var forStatement = parent_4; - return (forStatement.initializer === node && forStatement.initializer.kind !== 220) || - forStatement.condition === node || - forStatement.incrementor === node; - case 208: - case 209: - var forInStatement = parent_4; - return (forInStatement.initializer === node && forInStatement.initializer.kind !== 220) || - forInStatement.expression === node; - case 178: - case 196: - return node === parent_4.expression; - case 198: - return node === parent_4.expression; - case 141: - return node === parent_4.expression; - case 144: - case 248: - case 247: - return true; - case 195: - return parent_4.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_4); - default: - if (isPartOfExpression(parent_4)) { - return true; + else if (s.charCodeAt(0) === 45) { + s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); + if (s in shortOptionNames) { + s = shortOptionNames[s]; + } + if (s in optionNameMap) { + var opt = optionNameMap[s]; + if (opt.isTSConfigOnly) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name)); + } + else { + if (!args[i] && opt.type !== "boolean") { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); + } + switch (opt.type) { + case "number": + options[opt.name] = parseInt(args[i]); + i++; + break; + case "boolean": + var optValue = args[i]; + options[opt.name] = optValue !== "false"; + if (optValue === "false" || optValue === "true") { + i++; + } + break; + case "string": + options[opt.name] = args[i] || ""; + i++; + break; + case "list": + var result = parseListTypeOption(opt, args[i], errors); + options[opt.name] = result || []; + if (result) { + i++; + } + break; + default: + options[opt.name] = parseCustomTypeOption(opt, args[i], errors); + i++; + break; + } } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); + } + } + else { + fileNames.push(s); } + } + } + function parseResponseFile(fileName) { + var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); + if (!text) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); + return; + } + var args = []; + var pos = 0; + while (true) { + while (pos < text.length && text.charCodeAt(pos) <= 32) + pos++; + if (pos >= text.length) + break; + var start = pos; + if (text.charCodeAt(start) === 34) { + pos++; + while (pos < text.length && text.charCodeAt(pos) !== 34) + pos++; + if (pos < text.length) { + args.push(text.substring(start + 1, pos)); + pos++; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + } + } + else { + while (text.charCodeAt(pos) > 32) + pos++; + args.push(text.substring(start, pos)); + } + } + parseStrings(args); } - return false; - } - ts.isPartOfExpression = isPartOfExpression; - function isInstantiatedModule(node, preserveConstEnums) { - var moduleState = ts.getModuleInstanceState(node); - return moduleState === 1 || - (preserveConstEnums && moduleState === 2); - } - ts.isInstantiatedModule = isInstantiatedModule; - function isExternalModuleImportEqualsDeclaration(node) { - return node.kind === 230 && node.moduleReference.kind === 241; - } - ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; - function getExternalModuleImportEqualsDeclarationExpression(node) { - ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); - return node.moduleReference.expression; - } - ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; - function isInternalModuleImportEqualsDeclaration(node) { - return node.kind === 230 && node.moduleReference.kind !== 241; } - ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; - function isSourceFileJavaScript(file) { - return isInJavaScriptFile(file); + ts.parseCommandLine = parseCommandLine; + function readConfigFile(fileName, readFile) { + var text = ""; + try { + text = readFile(fileName); + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; + } + return parseConfigFileTextToJson(fileName, text); } - ts.isSourceFileJavaScript = isSourceFileJavaScript; - function isInJavaScriptFile(node) { - return node && !!(node.flags & 1048576); + ts.readConfigFile = readConfigFile; + function parseConfigFileTextToJson(fileName, jsonText, stripComments) { + if (stripComments === void 0) { stripComments = true; } + try { + var jsonTextToParse = stripComments ? removeComments(jsonText) : jsonText; + return { config: /\S/.test(jsonTextToParse) ? JSON.parse(jsonTextToParse) : {} }; + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + } } - ts.isInJavaScriptFile = isInJavaScriptFile; - function isRequireCall(expression, checkArgumentIsStringLiteral) { - var isRequire = expression.kind === 175 && - expression.expression.kind === 70 && - expression.expression.text === "require" && - expression.arguments.length === 1; - return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); - } - ts.isRequireCall = isRequireCall; - function isSingleOrDoubleQuote(charCode) { - return charCode === 39 || charCode === 34; - } - ts.isSingleOrDoubleQuote = isSingleOrDoubleQuote; - function isDeclarationOfFunctionExpression(s) { - if (s.valueDeclaration && s.valueDeclaration.kind === 219) { - var declaration = s.valueDeclaration; - return declaration.initializer && declaration.initializer.kind === 180; - } - return false; - } - ts.isDeclarationOfFunctionExpression = isDeclarationOfFunctionExpression; - function getSpecialPropertyAssignmentKind(expression) { - if (!isInJavaScriptFile(expression)) { - return 0; - } - if (expression.kind !== 188) { - return 0; - } - var expr = expression; - if (expr.operatorToken.kind !== 57 || expr.left.kind !== 173) { - return 0; + ts.parseConfigFileTextToJson = parseConfigFileTextToJson; + function generateTSConfig(options, fileNames) { + var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions); + var configurations = { + compilerOptions: serializeCompilerOptions(compilerOptions) + }; + if (fileNames && fileNames.length) { + configurations.files = fileNames; } - var lhs = expr.left; - if (lhs.expression.kind === 70) { - var lhsId = lhs.expression; - if (lhsId.text === "exports") { - return 1; + return configurations; + function getCustomTypeMapOfCommandLineOption(optionDefinition) { + if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") { + return undefined; } - else if (lhsId.text === "module" && lhs.name.text === "exports") { - return 2; + else if (optionDefinition.type === "list") { + return getCustomTypeMapOfCommandLineOption(optionDefinition.element); + } + else { + return optionDefinition.type; } } - else if (lhs.expression.kind === 98) { - return 4; - } - else if (lhs.expression.kind === 173) { - var innerPropertyAccess = lhs.expression; - if (innerPropertyAccess.expression.kind === 70) { - var innerPropertyAccessIdentifier = innerPropertyAccess.expression; - if (innerPropertyAccessIdentifier.text === "module" && innerPropertyAccess.name.text === "exports") { - return 1; - } - if (innerPropertyAccess.name.text === "prototype") { - return 3; + function getNameOfCompilerOptionValue(value, customTypeMap) { + for (var key in customTypeMap) { + if (customTypeMap[key] === value) { + return key; } } + return undefined; } - return 0; - } - ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; - function getExternalModuleName(node) { - if (node.kind === 231) { - return node.moduleSpecifier; - } - if (node.kind === 230) { - var reference = node.moduleReference; - if (reference.kind === 241) { - return reference.expression; + function serializeCompilerOptions(options) { + var result = ts.createMap(); + var optionsNameMap = getOptionNameMap().optionNameMap; + for (var name_5 in options) { + if (ts.hasProperty(options, name_5)) { + switch (name_5) { + case "init": + case "watch": + case "version": + case "help": + case "project": + break; + default: + var value = options[name_5]; + var optionDefinition = optionsNameMap[name_5.toLowerCase()]; + if (optionDefinition) { + var customTypeMap = getCustomTypeMapOfCommandLineOption(optionDefinition); + if (!customTypeMap) { + result[name_5] = value; + } + else { + if (optionDefinition.type === "list") { + var convertedValue = []; + for (var _i = 0, _a = value; _i < _a.length; _i++) { + var element = _a[_i]; + convertedValue.push(getNameOfCompilerOptionValue(element, customTypeMap)); + } + result[name_5] = convertedValue; + } + else { + result[name_5] = getNameOfCompilerOptionValue(value, customTypeMap); + } + } + } + break; + } + } } + return result; } - if (node.kind === 237) { - return node.moduleSpecifier; - } - if (node.kind === 226 && node.name.kind === 9) { - return node.name; - } - } - ts.getExternalModuleName = getExternalModuleName; - function getNamespaceDeclarationNode(node) { - if (node.kind === 230) { - return node; - } - var importClause = node.importClause; - if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 233) { - return importClause.namedBindings; - } - } - ts.getNamespaceDeclarationNode = getNamespaceDeclarationNode; - function isDefaultImport(node) { - return node.kind === 231 - && node.importClause - && !!node.importClause.name; } - ts.isDefaultImport = isDefaultImport; - function hasQuestionToken(node) { - if (node) { - switch (node.kind) { - case 143: - case 148: - case 147: - case 254: - case 253: - case 146: - case 145: - return node.questionToken !== undefined; + ts.generateTSConfig = generateTSConfig; + function removeComments(jsonText) { + var output = ""; + var scanner = ts.createScanner(1, false, 0, jsonText); + var token; + while ((token = scanner.scan()) !== 1) { + switch (token) { + case 2: + case 3: + output += scanner.getTokenText().replace(/\S/g, " "); + break; + default: + output += scanner.getTokenText(); + break; } } - return false; - } - ts.hasQuestionToken = hasQuestionToken; - function isJSDocConstructSignature(node) { - return node.kind === 269 && - node.parameters.length > 0 && - node.parameters[0].type.kind === 271; + return output; } - ts.isJSDocConstructSignature = isJSDocConstructSignature; - function getJSDocTag(node, kind, checkParentVariableStatement) { - if (!node) { - return undefined; - } - var jsDocTags = getJSDocTags(node, checkParentVariableStatement); - if (!jsDocTags) { - return undefined; + function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack) { + if (existingOptions === void 0) { existingOptions = {}; } + if (resolutionStack === void 0) { resolutionStack = []; } + var errors = []; + var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); + var resolvedPath = ts.toPath(configFileName || "", basePath, getCanonicalFileName); + if (resolutionStack.indexOf(resolvedPath) >= 0) { + return { + options: {}, + fileNames: [], + typingOptions: {}, + raw: json, + errors: [ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, resolutionStack.concat([resolvedPath]).join(" -> "))], + wildcardDirectories: {} + }; } - for (var _i = 0, jsDocTags_1 = jsDocTags; _i < jsDocTags_1.length; _i++) { - var tag = jsDocTags_1[_i]; - if (tag.kind === kind) { - return tag; + var options = convertCompilerOptionsFromJsonWorker(json["compilerOptions"], basePath, errors, configFileName); + var typingOptions = convertTypingOptionsFromJsonWorker(json["typingOptions"], basePath, errors, configFileName); + if (json["extends"]) { + var _a = [undefined, undefined, undefined, {}], include = _a[0], exclude = _a[1], files = _a[2], baseOptions = _a[3]; + if (typeof json["extends"] === "string") { + _b = (tryExtendsName(json["extends"]) || [include, exclude, files, baseOptions]), include = _b[0], exclude = _b[1], files = _b[2], baseOptions = _b[3]; } - } - } - function append(previous, additional) { - if (additional) { - if (!previous) { - previous = []; + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string")); } - for (var _i = 0, additional_1 = additional; _i < additional_1.length; _i++) { - var x = additional_1[_i]; - previous.push(x); + if (include && !json["include"]) { + json["include"] = include; } + if (exclude && !json["exclude"]) { + json["exclude"] = exclude; + } + if (files && !json["files"]) { + json["files"] = files; + } + options = ts.assign({}, baseOptions, options); } - return previous; - } - function getJSDocComments(node, checkParentVariableStatement) { - return getJSDocs(node, checkParentVariableStatement, function (docs) { return ts.map(docs, function (doc) { return doc.comment; }); }, function (tags) { return ts.map(tags, function (tag) { return tag.comment; }); }); - } - ts.getJSDocComments = getJSDocComments; - function getJSDocTags(node, checkParentVariableStatement) { - return getJSDocs(node, checkParentVariableStatement, function (docs) { - var result = []; - for (var _i = 0, docs_1 = docs; _i < docs_1.length; _i++) { - var doc = docs_1[_i]; - if (doc.tags) { - result.push.apply(result, doc.tags); - } + options = ts.extend(existingOptions, options); + options.configFilePath = configFileName; + var _c = getFileNames(errors), fileNames = _c.fileNames, wildcardDirectories = _c.wildcardDirectories; + var compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors); + return { + options: options, + fileNames: fileNames, + typingOptions: typingOptions, + raw: json, + errors: errors, + wildcardDirectories: wildcardDirectories, + compileOnSave: compileOnSave + }; + function tryExtendsName(extendedConfig) { + if (!(ts.isRootedDiskPath(extendedConfig) || ts.startsWith(ts.normalizeSlashes(extendedConfig), "./") || ts.startsWith(ts.normalizeSlashes(extendedConfig), "../"))) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_path_in_an_extends_options_must_be_relative_or_rooted)); + return; } - return result; - }, function (tags) { return tags; }); - } - function getJSDocs(node, checkParentVariableStatement, getDocs, getTags) { - var result = undefined; - if (checkParentVariableStatement) { - var isInitializerOfVariableDeclarationInStatement = isVariableLike(node.parent) && - (node.parent).initializer === node && - node.parent.parent.parent.kind === 201; - var isVariableOfVariableDeclarationStatement = isVariableLike(node) && - node.parent.parent.kind === 201; - var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : - isVariableOfVariableDeclarationStatement ? node.parent.parent : - undefined; - if (variableStatementNode) { - result = append(result, getJSDocs(variableStatementNode, checkParentVariableStatement, getDocs, getTags)); + var extendedConfigPath = ts.toPath(extendedConfig, basePath, getCanonicalFileName); + if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json")) { + extendedConfigPath = extendedConfigPath + ".json"; + if (!host.fileExists(extendedConfigPath)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_does_not_exist, extendedConfig)); + return; + } } - if (node.kind === 226 && - node.parent && node.parent.kind === 226) { - result = append(result, getJSDocs(node.parent, checkParentVariableStatement, getDocs, getTags)); + var extendedResult = readConfigFile(extendedConfigPath, function (path) { return host.readFile(path); }); + if (extendedResult.error) { + errors.push(extendedResult.error); + return; } - var parent_5 = node.parent; - var isSourceOfAssignmentExpressionStatement = parent_5 && parent_5.parent && - parent_5.kind === 188 && - parent_5.operatorToken.kind === 57 && - parent_5.parent.kind === 203; - if (isSourceOfAssignmentExpressionStatement) { - result = append(result, getJSDocs(parent_5.parent, checkParentVariableStatement, getDocs, getTags)); + var extendedDirname = ts.getDirectoryPath(extendedConfigPath); + var relativeDifference = ts.convertToRelativePath(extendedDirname, basePath, getCanonicalFileName); + var updatePath = function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference, path); }; + var result = parseJsonConfigFileContent(extendedResult.config, host, extendedDirname, undefined, ts.getBaseFileName(extendedConfigPath), resolutionStack.concat([resolvedPath])); + errors.push.apply(errors, result.errors); + var _a = ts.map(["include", "exclude", "files"], function (key) { + if (!json[key] && extendedResult.config[key]) { + return ts.map(extendedResult.config[key], updatePath); + } + }), include = _a[0], exclude = _a[1], files = _a[2]; + return [include, exclude, files, result.options]; + } + function getFileNames(errors) { + var fileNames; + if (ts.hasProperty(json, "files")) { + if (ts.isArray(json["files"])) { + fileNames = json["files"]; + if (fileNames.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json")); + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); + } } - var isPropertyAssignmentExpression = parent_5 && parent_5.kind === 253; - if (isPropertyAssignmentExpression) { - result = append(result, getJSDocs(parent_5, checkParentVariableStatement, getDocs, getTags)); + var includeSpecs; + if (ts.hasProperty(json, "include")) { + if (ts.isArray(json["include"])) { + includeSpecs = json["include"]; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array")); + } } - if (node.kind === 143) { - var paramTags = getJSDocParameterTag(node, checkParentVariableStatement); - if (paramTags) { - result = append(result, getTags(paramTags)); + var excludeSpecs; + if (ts.hasProperty(json, "exclude")) { + if (ts.isArray(json["exclude"])) { + excludeSpecs = json["exclude"]; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array")); } } - } - if (isVariableLike(node) && node.initializer) { - result = append(result, getJSDocs(node.initializer, false, getDocs, getTags)); - } - if (node.jsDocComments) { - if (result) { - result = append(result, getDocs(node.jsDocComments)); + else if (ts.hasProperty(json, "excludes")) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude)); } else { - return getDocs(node.jsDocComments); + excludeSpecs = ["node_modules", "bower_components", "jspm_packages"]; + var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; + if (outDir) { + excludeSpecs.push(outDir); + } } - } - return result; - } - function getJSDocParameterTag(param, checkParentVariableStatement) { - var func = param.parent; - var tags = getJSDocTags(func, checkParentVariableStatement); - if (!param.name) { - var i = func.parameters.indexOf(param); - var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275; }); - if (paramTags && 0 <= i && i < paramTags.length) { - return [paramTags[i]]; + if (fileNames === undefined && includeSpecs === undefined) { + includeSpecs = ["**/*"]; } - } - else if (param.name.kind === 70) { - var name_5 = param.name.text; - var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275 && tag.parameterName.text === name_5; }); - if (paramTags) { - return paramTags; + var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + if (result.fileNames.length === 0 && !ts.hasProperty(json, "files") && resolutionStack.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || []))); } + return result; } - else { - return undefined; - } - } - function getJSDocTypeTag(node) { - return getJSDocTag(node, 277, false); + var _b; } - ts.getJSDocTypeTag = getJSDocTypeTag; - function getJSDocReturnTag(node) { - return getJSDocTag(node, 276, true); + ts.parseJsonConfigFileContent = parseJsonConfigFileContent; + function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) { + if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) { + return false; + } + var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors); + if (typeof result === "boolean" && result) { + return result; + } + return false; } - ts.getJSDocReturnTag = getJSDocReturnTag; - function getJSDocTemplateTag(node) { - return getJSDocTag(node, 278, false); + ts.convertCompileOnSaveOptionFromJson = convertCompileOnSaveOptionFromJson; + function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { + var errors = []; + var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); + return { options: options, errors: errors }; } - ts.getJSDocTemplateTag = getJSDocTemplateTag; - function getCorrespondingJSDocParameterTag(parameter) { - if (parameter.name && parameter.name.kind === 70) { - var parameterName = parameter.name.text; - var jsDocTags = getJSDocTags(parameter.parent, true); - if (!jsDocTags) { - return undefined; - } - for (var _i = 0, jsDocTags_2 = jsDocTags; _i < jsDocTags_2.length; _i++) { - var tag = jsDocTags_2[_i]; - if (tag.kind === 275) { - var parameterTag = tag; - if (parameterTag.parameterName.text === parameterName) { - return parameterTag; - } - } - } - } - return undefined; + ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; + function convertTypingOptionsFromJson(jsonOptions, basePath, configFileName) { + var errors = []; + var options = convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); + return { options: options, errors: errors }; } - ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; - function hasRestParameter(s) { - return isRestParameter(ts.lastOrUndefined(s.parameters)); + ts.convertTypingOptionsFromJson = convertTypingOptionsFromJson; + function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { + var options = ts.getBaseFileName(configFileName) === "jsconfig.json" + ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true } + : {}; + convertOptionsFromJson(ts.optionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_compiler_option_0, errors); + return options; } - ts.hasRestParameter = hasRestParameter; - function hasDeclaredRestParameter(s) { - return isDeclaredRestParam(ts.lastOrUndefined(s.parameters)); + function convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { + var options = ts.getBaseFileName(configFileName) === "jsconfig.json" + ? { enableAutoDiscovery: true, include: [], exclude: [] } + : { enableAutoDiscovery: false, include: [], exclude: [] }; + convertOptionsFromJson(ts.typingOptionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_typing_option_0, errors); + return options; } - ts.hasDeclaredRestParameter = hasDeclaredRestParameter; - function isRestParameter(node) { - if (node && (node.flags & 1048576)) { - if (node.type && node.type.kind === 270) { - return true; + function convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, defaultOptions, diagnosticMessage, errors) { + if (!jsonOptions) { + return; + } + var optionNameMap = ts.arrayToMap(optionDeclarations, function (opt) { return opt.name; }); + for (var id in jsonOptions) { + if (id in optionNameMap) { + var opt = optionNameMap[id]; + defaultOptions[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors); } - var paramTag = getCorrespondingJSDocParameterTag(node); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 270; + else { + errors.push(ts.createCompilerDiagnostic(diagnosticMessage, id)); } } - return isDeclaredRestParam(node); - } - ts.isRestParameter = isRestParameter; - function isDeclaredRestParam(node) { - return node && node.dotDotDotToken !== undefined; } - ts.isDeclaredRestParam = isDeclaredRestParam; - function isAssignmentTarget(node) { - while (node.parent.kind === 179) { - node = node.parent; + function convertJsonOption(opt, value, basePath, errors) { + var optType = opt.type; + var expectedType = typeof optType === "string" ? optType : "string"; + if (optType === "list" && ts.isArray(value)) { + return convertJsonOptionOfListType(opt, value, basePath, errors); } - while (true) { - var parent_6 = node.parent; - if (parent_6.kind === 171 || parent_6.kind === 192) { - node = parent_6; - continue; + else if (typeof value === expectedType) { + if (typeof optType !== "string") { + return convertJsonOptionOfCustomType(opt, value, errors); } - if (parent_6.kind === 253 || parent_6.kind === 254) { - node = parent_6.parent; - continue; + else { + if (opt.isFilePath) { + value = ts.normalizePath(ts.combinePaths(basePath, value)); + if (value === "") { + value = "."; + } + } } - return parent_6.kind === 188 && - isAssignmentOperator(parent_6.operatorToken.kind) && - parent_6.left === node || - (parent_6.kind === 208 || parent_6.kind === 209) && - parent_6.initializer === node; + return value; } - } - ts.isAssignmentTarget = isAssignmentTarget; - function isNodeDescendantOf(node, ancestor) { - while (node) { - if (node === ancestor) - return true; - node = node.parent; + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, expectedType)); } - return false; } - ts.isNodeDescendantOf = isNodeDescendantOf; - function isInAmbientContext(node) { - while (node) { - if (hasModifier(node, 2) || (node.kind === 256 && node.isDeclarationFile)) { - return true; - } - node = node.parent; + function convertJsonOptionOfCustomType(opt, value, errors) { + var key = value.toLowerCase(); + if (key in opt.type) { + return opt.type[key]; } - return false; - } - ts.isInAmbientContext = isInAmbientContext; - function isDeclarationName(name) { - if (name.kind !== 70 && name.kind !== 9 && name.kind !== 8) { - return false; - } - var parent = name.parent; - if (parent.kind === 235 || parent.kind === 239) { - if (parent.propertyName) { - return true; - } - } - if (isDeclaration(parent)) { - return parent.name === name; - } - return false; - } - ts.isDeclarationName = isDeclarationName; - function isLiteralComputedPropertyDeclarationName(node) { - return (node.kind === 9 || node.kind === 8) && - node.parent.kind === 141 && - isDeclaration(node.parent.parent); - } - ts.isLiteralComputedPropertyDeclarationName = isLiteralComputedPropertyDeclarationName; - function isIdentifierName(node) { - var parent = node.parent; - switch (parent.kind) { - case 146: - case 145: - case 148: - case 147: - case 150: - case 151: - case 255: - case 253: - case 173: - return parent.name === node; - case 140: - if (parent.right === node) { - while (parent.kind === 140) { - parent = parent.parent; - } - return parent.kind === 159; - } - return false; - case 170: - case 235: - return parent.propertyName === node; - case 239: - return true; + else { + errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); } - return false; - } - ts.isIdentifierName = isIdentifierName; - function isAliasSymbolDeclaration(node) { - return node.kind === 230 || - node.kind === 229 || - node.kind === 232 && !!node.name || - node.kind === 233 || - node.kind === 235 || - node.kind === 239 || - node.kind === 236 && exportAssignmentIsAlias(node); - } - ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; - function exportAssignmentIsAlias(node) { - return isEntityNameExpression(node.expression); - } - ts.exportAssignmentIsAlias = exportAssignmentIsAlias; - function getClassExtendsHeritageClauseElement(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 84); - return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; } - ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; - function getClassImplementsHeritageClauseElements(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 107); - return heritageClause ? heritageClause.types : undefined; + function convertJsonOptionOfListType(option, values, basePath, errors) { + return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; }); } - ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; - function getInterfaceBaseTypeNodes(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 84); - return heritageClause ? heritageClause.types : undefined; + function trimString(s) { + return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, ""); } - ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; - function getHeritageClause(clauses, kind) { - if (clauses) { - for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { - var clause = clauses_1[_i]; - if (clause.token === kind) { - return clause; - } - } + var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/; + var invalidMultipleRecursionPatterns = /(^|\/)\*\*\/(.*\/)?\*\*($|\/)/; + var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/; + var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//; + var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/; + function matchFileNames(fileNames, include, exclude, basePath, options, host, errors) { + basePath = ts.normalizePath(basePath); + var keyMapper = host.useCaseSensitiveFileNames ? caseSensitiveKeyMapper : caseInsensitiveKeyMapper; + var literalFileMap = ts.createMap(); + var wildcardFileMap = ts.createMap(); + if (include) { + include = validateSpecs(include, errors, false); } - return undefined; - } - ts.getHeritageClause = getHeritageClause; - function tryResolveScriptReference(host, sourceFile, reference) { - if (!host.getCompilerOptions().noResolve) { - var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); - return host.getSourceFile(referenceFileName); + if (exclude) { + exclude = validateSpecs(exclude, errors, true); } - } - ts.tryResolveScriptReference = tryResolveScriptReference; - function getAncestor(node, kind) { - while (node) { - if (node.kind === kind) { - return node; + var wildcardDirectories = getWildcardDirectories(include, exclude, basePath, host.useCaseSensitiveFileNames); + var supportedExtensions = ts.getSupportedExtensions(options); + if (fileNames) { + for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) { + var fileName = fileNames_1[_i]; + var file = ts.combinePaths(basePath, fileName); + literalFileMap[keyMapper(file)] = file; } - node = node.parent; } - return undefined; + if (include && include.length > 0) { + for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensions, exclude, include); _a < _b.length; _a++) { + var file = _b[_a]; + if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) { + continue; + } + removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper); + var key = keyMapper(file); + if (!(key in literalFileMap) && !(key in wildcardFileMap)) { + wildcardFileMap[key] = file; + } + } + } + var literalFiles = ts.reduceProperties(literalFileMap, addFileToOutput, []); + var wildcardFiles = ts.reduceProperties(wildcardFileMap, addFileToOutput, []); + wildcardFiles.sort(host.useCaseSensitiveFileNames ? ts.compareStrings : ts.compareStringsCaseInsensitive); + return { + fileNames: literalFiles.concat(wildcardFiles), + wildcardDirectories: wildcardDirectories + }; } - ts.getAncestor = getAncestor; - function getFileReferenceFromReferencePath(comment, commentRange) { - var simpleReferenceRegEx = /^\/\/\/\s*/gim; - if (simpleReferenceRegEx.test(comment)) { - if (isNoDefaultLibRegEx.test(comment)) { - return { - isNoDefaultLib: true - }; + function validateSpecs(specs, errors, allowTrailingRecursion) { + var validSpecs = []; + for (var _i = 0, specs_2 = specs; _i < specs_2.length; _i++) { + var spec = specs_2[_i]; + if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); + } + else if (invalidMultipleRecursionPatterns.test(spec)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0, spec)); + } + else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); } else { - var refMatchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); - var refLibResult = !refMatchResult && ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx.exec(comment); - if (refMatchResult || refLibResult) { - var start = commentRange.pos; - var end = commentRange.end; - return { - fileReference: { - pos: start, - end: end, - fileName: (refMatchResult || refLibResult)[3] - }, - isNoDefaultLib: false, - isTypeReferenceDirective: !!refLibResult - }; - } - return { - diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, - isNoDefaultLib: false - }; + validSpecs.push(spec); } } - return undefined; - } - ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; - function isKeyword(token) { - return 71 <= token && token <= 139; - } - ts.isKeyword = isKeyword; - function isTrivia(token) { - return 2 <= token && token <= 7; - } - ts.isTrivia = isTrivia; - function isAsyncFunctionLike(node) { - return isFunctionLike(node) && hasModifier(node, 256) && !isAccessor(node); - } - ts.isAsyncFunctionLike = isAsyncFunctionLike; - function isStringOrNumericLiteral(kind) { - return kind === 9 || kind === 8; - } - ts.isStringOrNumericLiteral = isStringOrNumericLiteral; - function hasDynamicName(declaration) { - return declaration.name && isDynamicName(declaration.name); - } - ts.hasDynamicName = hasDynamicName; - function isDynamicName(name) { - return name.kind === 141 && - !isStringOrNumericLiteral(name.expression.kind) && - !isWellKnownSymbolSyntactically(name.expression); - } - ts.isDynamicName = isDynamicName; - function isWellKnownSymbolSyntactically(node) { - return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + return validSpecs; } - ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; - function getPropertyNameForPropertyNameNode(name) { - if (name.kind === 70 || name.kind === 9 || name.kind === 8 || name.kind === 143) { - return name.text; - } - if (name.kind === 141) { - var nameExpression = name.expression; - if (isWellKnownSymbolSyntactically(nameExpression)) { - var rightHandSideName = nameExpression.name.text; - return getPropertyNameForKnownSymbolName(rightHandSideName); + function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) { + var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude"); + var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i"); + var wildcardDirectories = ts.createMap(); + if (include !== undefined) { + var recursiveKeys = []; + for (var _i = 0, include_1 = include; _i < include_1.length; _i++) { + var file = include_1[_i]; + var name_6 = ts.normalizePath(ts.combinePaths(path, file)); + if (excludeRegex && excludeRegex.test(name_6)) { + continue; + } + var match = wildcardDirectoryPattern.exec(name_6); + if (match) { + var key = useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase(); + var flags = watchRecursivePattern.test(name_6) ? 1 : 0; + var existingFlags = wildcardDirectories[key]; + if (existingFlags === undefined || existingFlags < flags) { + wildcardDirectories[key] = flags; + if (flags === 1) { + recursiveKeys.push(key); + } + } + } } - else if (nameExpression.kind === 9 || nameExpression.kind === 8) { - return nameExpression.text; + for (var key in wildcardDirectories) { + for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) { + var recursiveKey = recursiveKeys_1[_a]; + if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) { + delete wildcardDirectories[key]; + } + } } } - return undefined; - } - ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; - function getPropertyNameForKnownSymbolName(symbolName) { - return "__@" + symbolName; - } - ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; - function isESSymbolIdentifier(node) { - return node.kind === 70 && node.text === "Symbol"; - } - ts.isESSymbolIdentifier = isESSymbolIdentifier; - function isPushOrUnshiftIdentifier(node) { - return node.text === "push" || node.text === "unshift"; + return wildcardDirectories; } - ts.isPushOrUnshiftIdentifier = isPushOrUnshiftIdentifier; - function isModifierKind(token) { - switch (token) { - case 116: - case 119: - case 75: - case 123: - case 78: - case 83: - case 113: - case 111: - case 112: - case 129: - case 114: + function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) { + var extensionPriority = ts.getExtensionPriority(file, extensions); + var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority); + for (var i = 0; i < adjustedExtensionPriority; i++) { + var higherPriorityExtension = extensions[i]; + var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension)); + if (higherPriorityPath in literalFiles || higherPriorityPath in wildcardFiles) { return true; + } } return false; } - ts.isModifierKind = isModifierKind; - function isParameterDeclaration(node) { - var root = getRootDeclaration(node); - return root.kind === 143; - } - ts.isParameterDeclaration = isParameterDeclaration; - function getRootDeclaration(node) { - while (node.kind === 170) { - node = node.parent.parent; + function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) { + var extensionPriority = ts.getExtensionPriority(file, extensions); + var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority); + for (var i = nextExtensionPriority; i < extensions.length; i++) { + var lowerPriorityExtension = extensions[i]; + var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension)); + delete wildcardFiles[lowerPriorityPath]; } - return node; - } - ts.getRootDeclaration = getRootDeclaration; - function nodeStartsNewLexicalEnvironment(node) { - var kind = node.kind; - return kind === 149 - || kind === 180 - || kind === 221 - || kind === 181 - || kind === 148 - || kind === 150 - || kind === 151 - || kind === 226 - || kind === 256; - } - ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; - function nodeIsSynthesized(node) { - return ts.positionIsSynthesized(node.pos) - || ts.positionIsSynthesized(node.end); } - ts.nodeIsSynthesized = nodeIsSynthesized; - function getOriginalNode(node) { - if (node) { - while (node.original !== undefined) { - node = node.original; - } - } - return node; + function addFileToOutput(output, file) { + output.push(file); + return output; } - ts.getOriginalNode = getOriginalNode; - function isParseTreeNode(node) { - return (node.flags & 8) === 0; + function caseSensitiveKeyMapper(key) { + return key; } - ts.isParseTreeNode = isParseTreeNode; - function getParseTreeNode(node, nodeTest) { - if (isParseTreeNode(node)) { - return node; - } - node = getOriginalNode(node); - if (isParseTreeNode(node) && (!nodeTest || nodeTest(node))) { - return node; - } - return undefined; + function caseInsensitiveKeyMapper(key) { + return key.toLowerCase(); } - ts.getParseTreeNode = getParseTreeNode; - function getOriginalSourceFiles(sourceFiles) { - var originalSourceFiles = []; - for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { - var sourceFile = sourceFiles_1[_i]; - var originalSourceFile = getParseTreeNode(sourceFile, isSourceFile); - if (originalSourceFile) { - originalSourceFiles.push(originalSourceFile); +})(ts || (ts = {})); +var ts; +(function (ts) { + var JsTyping; + (function (JsTyping) { + ; + ; + var safeList; + var EmptySafeList = ts.createMap(); + JsTyping.nodeCoreModuleList = [ + "buffer", "querystring", "events", "http", "cluster", + "zlib", "os", "https", "punycode", "repl", "readline", + "vm", "child_process", "url", "dns", "net", + "dgram", "fs", "path", "string_decoder", "tls", + "crypto", "stream", "util", "assert", "tty", "domain", + "constants", "process", "v8", "timers", "console" + ]; + var nodeCoreModules = ts.arrayToMap(JsTyping.nodeCoreModuleList, function (x) { return x; }); + function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions, unresolvedImports) { + var inferredTypings = ts.createMap(); + if (!typingOptions || !typingOptions.enableAutoDiscovery) { + return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] }; } - } - return originalSourceFiles; - } - ts.getOriginalSourceFiles = getOriginalSourceFiles; - function getOriginalNodeId(node) { - node = getOriginalNode(node); - return node ? ts.getNodeId(node) : 0; - } - ts.getOriginalNodeId = getOriginalNodeId; - (function (Associativity) { - Associativity[Associativity["Left"] = 0] = "Left"; - Associativity[Associativity["Right"] = 1] = "Right"; - })(ts.Associativity || (ts.Associativity = {})); - var Associativity = ts.Associativity; - function getExpressionAssociativity(expression) { - var operator = getOperator(expression); - var hasArguments = expression.kind === 176 && expression.arguments !== undefined; - return getOperatorAssociativity(expression.kind, operator, hasArguments); - } - ts.getExpressionAssociativity = getExpressionAssociativity; - function getOperatorAssociativity(kind, operator, hasArguments) { - switch (kind) { - case 176: - return hasArguments ? 0 : 1; - case 186: - case 183: - case 184: - case 182: - case 185: - case 189: - case 191: - return 1; - case 188: - switch (operator) { - case 39: - case 57: - case 58: - case 59: - case 61: - case 60: - case 62: - case 63: - case 64: - case 65: - case 66: - case 67: - case 69: - case 68: - return 1; + fileNames = ts.filter(ts.map(fileNames, ts.normalizePath), function (f) { + var kind = ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)); + return kind === 1 || kind === 2; + }); + if (!safeList) { + var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); }); + safeList = result.config ? ts.createMap(result.config) : EmptySafeList; + } + var filesToWatch = []; + var searchDirs = []; + var exclude = []; + mergeTypings(typingOptions.include); + exclude = typingOptions.exclude || []; + var possibleSearchDirs = ts.map(fileNames, ts.getDirectoryPath); + if (projectRootPath !== undefined) { + possibleSearchDirs.push(projectRootPath); + } + searchDirs = ts.deduplicate(possibleSearchDirs); + for (var _i = 0, searchDirs_1 = searchDirs; _i < searchDirs_1.length; _i++) { + var searchDir = searchDirs_1[_i]; + var packageJsonPath = ts.combinePaths(searchDir, "package.json"); + getTypingNamesFromJson(packageJsonPath, filesToWatch); + var bowerJsonPath = ts.combinePaths(searchDir, "bower.json"); + getTypingNamesFromJson(bowerJsonPath, filesToWatch); + var nodeModulesPath = ts.combinePaths(searchDir, "node_modules"); + getTypingNamesFromNodeModuleFolder(nodeModulesPath); + } + getTypingNamesFromSourceFileNames(fileNames); + if (unresolvedImports) { + for (var _a = 0, unresolvedImports_1 = unresolvedImports; _a < unresolvedImports_1.length; _a++) { + var moduleId = unresolvedImports_1[_a]; + var typingName = moduleId in nodeCoreModules ? "node" : moduleId; + if (!(typingName in inferredTypings)) { + inferredTypings[typingName] = undefined; + } } - } - return 0; - } - ts.getOperatorAssociativity = getOperatorAssociativity; - function getExpressionPrecedence(expression) { - var operator = getOperator(expression); - var hasArguments = expression.kind === 176 && expression.arguments !== undefined; - return getOperatorPrecedence(expression.kind, operator, hasArguments); - } - ts.getExpressionPrecedence = getExpressionPrecedence; - function getOperator(expression) { - if (expression.kind === 188) { - return expression.operatorToken.kind; - } - else if (expression.kind === 186 || expression.kind === 187) { - return expression.operator; - } - else { - return expression.kind; - } - } - ts.getOperator = getOperator; - function getOperatorPrecedence(nodeKind, operatorKind, hasArguments) { - switch (nodeKind) { - case 98: - case 96: - case 70: - case 94: - case 100: - case 85: - case 8: - case 9: - case 171: - case 172: - case 180: - case 181: - case 193: - case 242: - case 243: - case 11: - case 12: - case 190: - case 179: - case 194: - return 19; - case 177: - case 173: - case 174: - return 18; - case 176: - return hasArguments ? 18 : 17; - case 175: - return 17; - case 187: - return 16; - case 186: - case 183: - case 184: - case 182: - case 185: - return 15; - case 188: - switch (operatorKind) { - case 50: - case 51: - return 15; - case 39: - case 38: - case 40: - case 41: - return 14; - case 36: - case 37: - return 13; - case 44: - case 45: - case 46: - return 12; - case 26: - case 29: - case 28: - case 30: - case 91: - case 92: - return 11; - case 31: - case 33: - case 32: - case 34: - return 10; - case 47: - return 9; - case 49: - return 8; - case 48: - return 7; - case 52: - return 6; - case 53: - return 5; - case 57: - case 58: - case 59: - case 61: - case 60: - case 62: - case 63: - case 64: - case 65: - case 66: - case 67: - case 69: - case 68: - return 3; - case 25: - return 0; - default: - return -1; + } + for (var name_7 in packageNameToTypingLocation) { + if (name_7 in inferredTypings && !inferredTypings[name_7]) { + inferredTypings[name_7] = packageNameToTypingLocation[name_7]; } - case 189: - return 4; - case 191: - return 2; - case 192: - return 1; - default: - return -1; - } - } - ts.getOperatorPrecedence = getOperatorPrecedence; - function createDiagnosticCollection() { - var nonFileDiagnostics = []; - var fileDiagnostics = ts.createMap(); - var diagnosticsModified = false; - var modificationCount = 0; - return { - add: add, - getGlobalDiagnostics: getGlobalDiagnostics, - getDiagnostics: getDiagnostics, - getModificationCount: getModificationCount, - reattachFileDiagnostics: reattachFileDiagnostics - }; - function getModificationCount() { - return modificationCount; - } - function reattachFileDiagnostics(newFile) { - if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { - return; } - for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { - var diagnostic = _a[_i]; - diagnostic.file = newFile; + for (var _b = 0, exclude_1 = exclude; _b < exclude_1.length; _b++) { + var excludeTypingName = exclude_1[_b]; + delete inferredTypings[excludeTypingName]; } - } - function add(diagnostic) { - var diagnostics; - if (diagnostic.file) { - diagnostics = fileDiagnostics[diagnostic.file.fileName]; - if (!diagnostics) { - diagnostics = []; - fileDiagnostics[diagnostic.file.fileName] = diagnostics; + var newTypingNames = []; + var cachedTypingPaths = []; + for (var typing in inferredTypings) { + if (inferredTypings[typing] !== undefined) { + cachedTypingPaths.push(inferredTypings[typing]); + } + else { + newTypingNames.push(typing); } } - else { - diagnostics = nonFileDiagnostics; + return { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch }; + function mergeTypings(typingNames) { + if (!typingNames) { + return; + } + for (var _i = 0, typingNames_1 = typingNames; _i < typingNames_1.length; _i++) { + var typing = typingNames_1[_i]; + if (!(typing in inferredTypings)) { + inferredTypings[typing] = undefined; + } + } } - diagnostics.push(diagnostic); - diagnosticsModified = true; - modificationCount++; - } - function getGlobalDiagnostics() { - sortAndDeduplicate(); - return nonFileDiagnostics; - } - function getDiagnostics(fileName) { - sortAndDeduplicate(); - if (fileName) { - return fileDiagnostics[fileName] || []; + function getTypingNamesFromJson(jsonPath, filesToWatch) { + if (host.fileExists(jsonPath)) { + filesToWatch.push(jsonPath); + } + var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }); + if (result.config) { + var jsonConfig = result.config; + if (jsonConfig.dependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.dependencies)); + } + if (jsonConfig.devDependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.devDependencies)); + } + if (jsonConfig.optionalDependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.optionalDependencies)); + } + if (jsonConfig.peerDependencies) { + mergeTypings(ts.getOwnKeys(jsonConfig.peerDependencies)); + } + } } - var allDiagnostics = []; - function pushDiagnostic(d) { - allDiagnostics.push(d); + function getTypingNamesFromSourceFileNames(fileNames) { + var jsFileNames = ts.filter(fileNames, ts.hasJavaScriptFileExtension); + var inferredTypingNames = ts.map(jsFileNames, function (f) { return ts.removeFileExtension(ts.getBaseFileName(f.toLowerCase())); }); + var cleanedTypingNames = ts.map(inferredTypingNames, function (f) { return f.replace(/((?:\.|-)min(?=\.|$))|((?:-|\.)\d+)/g, ""); }); + if (safeList !== EmptySafeList) { + mergeTypings(ts.filter(cleanedTypingNames, function (f) { return f in safeList; })); + } + var hasJsxFile = ts.forEach(fileNames, function (f) { return ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)) === 2; }); + if (hasJsxFile) { + mergeTypings(["react"]); + } } - ts.forEach(nonFileDiagnostics, pushDiagnostic); - for (var key in fileDiagnostics) { - ts.forEach(fileDiagnostics[key], pushDiagnostic); + function getTypingNamesFromNodeModuleFolder(nodeModulesPath) { + if (!host.directoryExists(nodeModulesPath)) { + return; + } + var typingNames = []; + var fileNames = host.readDirectory(nodeModulesPath, [".json"], undefined, undefined, 2); + for (var _i = 0, fileNames_2 = fileNames; _i < fileNames_2.length; _i++) { + var fileName = fileNames_2[_i]; + var normalizedFileName = ts.normalizePath(fileName); + if (ts.getBaseFileName(normalizedFileName) !== "package.json") { + continue; + } + var result = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); }); + if (!result.config) { + continue; + } + var packageJson = result.config; + if (packageJson._requiredBy && + ts.filter(packageJson._requiredBy, function (r) { return r[0] === "#" || r === "/"; }).length === 0) { + continue; + } + if (!packageJson.name) { + continue; + } + if (packageJson.typings) { + var absolutePath = ts.getNormalizedAbsolutePath(packageJson.typings, ts.getDirectoryPath(normalizedFileName)); + inferredTypings[packageJson.name] = absolutePath; + } + else { + typingNames.push(packageJson.name); + } + } + mergeTypings(typingNames); } - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); } - function sortAndDeduplicate() { - if (!diagnosticsModified) { - return; - } - diagnosticsModified = false; - nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); - for (var key in fileDiagnostics) { - fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); + JsTyping.discoverTypings = discoverTypings; + })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var server; + (function (server) { + (function (LogLevel) { + LogLevel[LogLevel["terse"] = 0] = "terse"; + LogLevel[LogLevel["normal"] = 1] = "normal"; + LogLevel[LogLevel["requestTime"] = 2] = "requestTime"; + LogLevel[LogLevel["verbose"] = 3] = "verbose"; + })(server.LogLevel || (server.LogLevel = {})); + var LogLevel = server.LogLevel; + server.emptyArray = []; + var Msg; + (function (Msg) { + Msg.Err = "Err"; + Msg.Info = "Info"; + Msg.Perf = "Perf"; + })(Msg = server.Msg || (server.Msg = {})); + function getProjectRootPath(project) { + switch (project.projectKind) { + case server.ProjectKind.Configured: + return ts.getDirectoryPath(project.getProjectName()); + case server.ProjectKind.Inferred: + return ""; + case server.ProjectKind.External: + var projectName = ts.normalizeSlashes(project.getProjectName()); + return project.projectService.host.fileExists(projectName) ? ts.getDirectoryPath(projectName) : projectName; } } - } - ts.createDiagnosticCollection = createDiagnosticCollection; - var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; - var escapedCharsMap = ts.createMap({ - "\0": "\\0", - "\t": "\\t", - "\v": "\\v", - "\f": "\\f", - "\b": "\\b", - "\r": "\\r", - "\n": "\\n", - "\\": "\\\\", - "\"": "\\\"", - "\u2028": "\\u2028", - "\u2029": "\\u2029", - "\u0085": "\\u0085" - }); - function escapeString(s) { - s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; - return s; - function getReplacement(c) { - return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); - } - } - ts.escapeString = escapeString; - function isIntrinsicJsxName(name) { - var ch = name.substr(0, 1); - return ch.toLowerCase() === ch; - } - ts.isIntrinsicJsxName = isIntrinsicJsxName; - function get16BitUnicodeEscapeSequence(charCode) { - var hexCharCode = charCode.toString(16).toUpperCase(); - var paddedHexCode = ("0000" + hexCharCode).slice(-4); - return "\\u" + paddedHexCode; - } - var nonAsciiCharacters = /[^\u0000-\u007F]/g; - function escapeNonAsciiCharacters(s) { - return nonAsciiCharacters.test(s) ? - s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : - s; - } - ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; - var indentStrings = ["", " "]; - function getIndentString(level) { - if (indentStrings[level] === undefined) { - indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; + function createInstallTypingsRequest(project, typingOptions, unresolvedImports, cachePath) { + return { + projectName: project.getProjectName(), + fileNames: project.getFileNames(), + compilerOptions: project.getCompilerOptions(), + typingOptions: typingOptions, + unresolvedImports: unresolvedImports, + projectRootPath: getProjectRootPath(project), + cachePath: cachePath, + kind: "discover" + }; } - return indentStrings[level]; - } - ts.getIndentString = getIndentString; - function getIndentSize() { - return indentStrings[1].length; - } - ts.getIndentSize = getIndentSize; - function createTextWriter(newLine) { - var output; - var indent; - var lineStart; - var lineCount; - var linePos; - function write(s) { - if (s && s.length) { - if (lineStart) { - output += getIndentString(indent); - lineStart = false; - } - output += s; + server.createInstallTypingsRequest = createInstallTypingsRequest; + var Errors; + (function (Errors) { + function ThrowNoProject() { + throw new Error("No Project."); } - } - function reset() { - output = ""; - indent = 0; - lineStart = true; - lineCount = 0; - linePos = 0; - } - function rawWrite(s) { - if (s !== undefined) { - if (lineStart) { - lineStart = false; - } - output += s; + Errors.ThrowNoProject = ThrowNoProject; + function ThrowProjectLanguageServiceDisabled() { + throw new Error("The project's language service is disabled."); + } + Errors.ThrowProjectLanguageServiceDisabled = ThrowProjectLanguageServiceDisabled; + function ThrowProjectDoesNotContainDocument(fileName, project) { + throw new Error("Project '" + project.getProjectName() + "' does not contain document '" + fileName + "'"); } + Errors.ThrowProjectDoesNotContainDocument = ThrowProjectDoesNotContainDocument; + })(Errors = server.Errors || (server.Errors = {})); + function getDefaultFormatCodeSettings(host) { + return { + indentSize: 4, + tabSize: 4, + newLineCharacter: host.newLine || "\n", + convertTabsToSpaces: true, + indentStyle: ts.IndentStyle.Smart, + insertSpaceAfterCommaDelimiter: true, + insertSpaceAfterSemicolonInForStatements: true, + insertSpaceBeforeAndAfterBinaryOperators: true, + insertSpaceAfterKeywordsInControlFlowStatements: true, + insertSpaceAfterFunctionKeywordForAnonymousFunctions: false, + insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false, + insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false, + insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false, + insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false, + placeOpenBraceOnNewLineForFunctions: false, + placeOpenBraceOnNewLineForControlBlocks: false, + }; } - function writeLiteral(s) { - if (s && s.length) { - write(s); - var lineStartsOfS = ts.computeLineStarts(s); - if (lineStartsOfS.length > 1) { - lineCount = lineCount + lineStartsOfS.length - 1; - linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + server.getDefaultFormatCodeSettings = getDefaultFormatCodeSettings; + function mergeMaps(target, source) { + for (var key in source) { + if (ts.hasProperty(source, key)) { + target[key] = source[key]; } } } - function writeLine() { - if (!lineStart) { - output += newLine; - lineCount++; - linePos = output.length; - lineStart = true; + server.mergeMaps = mergeMaps; + function removeItemFromSet(items, itemToRemove) { + if (items.length === 0) { + return; + } + var index = items.indexOf(itemToRemove); + if (index < 0) { + return; + } + if (index === items.length - 1) { + items.pop(); + } + else { + items[index] = items.pop(); } } - function writeTextOfNode(text, node) { - write(getTextOfNodeFromSourceText(text, node)); - } - reset(); - return { - write: write, - rawWrite: rawWrite, - writeTextOfNode: writeTextOfNode, - writeLiteral: writeLiteral, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - getIndent: function () { return indent; }, - getTextPos: function () { return output.length; }, - getLine: function () { return lineCount + 1; }, - getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, - getText: function () { return output; }, - isAtStartOfLine: function () { return lineStart; }, - reset: reset - }; - } - ts.createTextWriter = createTextWriter; - function getResolvedExternalModuleName(host, file) { - return file.moduleName || getExternalModuleNameFromPath(host, file.fileName); - } - ts.getResolvedExternalModuleName = getResolvedExternalModuleName; - function getExternalModuleNameFromDeclaration(host, resolver, declaration) { - var file = resolver.getExternalModuleFileFromDeclaration(declaration); - if (!file || isDeclarationFile(file)) { - return undefined; - } - return getResolvedExternalModuleName(host, file); - } - ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; - function getExternalModuleNameFromPath(host, fileName) { - var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; - var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); - var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); - var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); - return ts.removeFileExtension(relativePath); - } - ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; - function getOwnEmitOutputFilePath(sourceFile, host, extension) { - var compilerOptions = host.getCompilerOptions(); - var emitOutputFilePathWithoutExtension; - if (compilerOptions.outDir) { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); - } - else { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); - } - return emitOutputFilePathWithoutExtension + extension; - } - ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; - function getDeclarationEmitOutputFilePath(sourceFile, host) { - var options = host.getCompilerOptions(); - var outputDir = options.declarationDir || options.outDir; - var path = outputDir - ? getSourceFilePathInNewDir(sourceFile, host, outputDir) - : sourceFile.fileName; - return ts.removeFileExtension(path) + ".d.ts"; - } - ts.getDeclarationEmitOutputFilePath = getDeclarationEmitOutputFilePath; - function getSourceFilesToEmit(host, targetSourceFile) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - var moduleKind = ts.getEmitModuleKind(options); - var moduleEmitEnabled = moduleKind === ts.ModuleKind.AMD || moduleKind === ts.ModuleKind.System; - var sourceFiles = host.getSourceFiles(); - return ts.filter(sourceFiles, moduleEmitEnabled ? isNonDeclarationFile : isBundleEmitNonExternalModule); + server.removeItemFromSet = removeItemFromSet; + function toNormalizedPath(fileName) { + return ts.normalizePath(fileName); } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - return ts.filter(sourceFiles, isNonDeclarationFile); + server.toNormalizedPath = toNormalizedPath; + function normalizedPathToPath(normalizedPath, currentDirectory, getCanonicalFileName) { + var f = ts.isRootedDiskPath(normalizedPath) ? normalizedPath : ts.getNormalizedAbsolutePath(normalizedPath, currentDirectory); + return getCanonicalFileName(f); } - } - ts.getSourceFilesToEmit = getSourceFilesToEmit; - function isNonDeclarationFile(sourceFile) { - return !isDeclarationFile(sourceFile); - } - function isBundleEmitNonExternalModule(sourceFile) { - return !isDeclarationFile(sourceFile) && !ts.isExternalModule(sourceFile); - } - function forEachTransformedEmitFile(host, sourceFiles, action, emitOnlyDtsFiles) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - onBundledEmit(sourceFiles); + server.normalizedPathToPath = normalizedPathToPath; + function asNormalizedPath(fileName) { + return fileName; } - else { - for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { - var sourceFile = sourceFiles_2[_i]; - if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { - onSingleFileEmit(host, sourceFile); + server.asNormalizedPath = asNormalizedPath; + function createNormalizedPathMap() { + var map = Object.create(null); + return { + get: function (path) { + return map[path]; + }, + set: function (path, value) { + map[path] = value; + }, + contains: function (path) { + return ts.hasProperty(map, path); + }, + remove: function (path) { + delete map[path]; } - } + }; } - function onSingleFileEmit(host, sourceFile) { - var extension = ".js"; - if (options.jsx === 1) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } - } - else if (sourceFile.languageVariant === 1) { - extension = ".jsx"; - } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); - var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (options.declaration || emitOnlyDtsFiles) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; - action(jsFilePath, sourceMapFilePath, declarationFilePath, [sourceFile], false); + server.createNormalizedPathMap = createNormalizedPathMap; + function throwLanguageServiceIsDisabledError() { + throw new Error("LanguageService is disabled"); } - function onBundledEmit(sourceFiles) { - if (sourceFiles.length) { - var jsFilePath = options.outFile || options.out; - var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); - var declarationFilePath = options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; - action(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, true); - } + server.nullLanguageService = { + cleanupSemanticCache: throwLanguageServiceIsDisabledError, + getSyntacticDiagnostics: throwLanguageServiceIsDisabledError, + getSemanticDiagnostics: throwLanguageServiceIsDisabledError, + getCompilerOptionsDiagnostics: throwLanguageServiceIsDisabledError, + getSyntacticClassifications: throwLanguageServiceIsDisabledError, + getEncodedSyntacticClassifications: throwLanguageServiceIsDisabledError, + getSemanticClassifications: throwLanguageServiceIsDisabledError, + getEncodedSemanticClassifications: throwLanguageServiceIsDisabledError, + getCompletionsAtPosition: throwLanguageServiceIsDisabledError, + findReferences: throwLanguageServiceIsDisabledError, + getCompletionEntryDetails: throwLanguageServiceIsDisabledError, + getQuickInfoAtPosition: throwLanguageServiceIsDisabledError, + findRenameLocations: throwLanguageServiceIsDisabledError, + getNameOrDottedNameSpan: throwLanguageServiceIsDisabledError, + getBreakpointStatementAtPosition: throwLanguageServiceIsDisabledError, + getBraceMatchingAtPosition: throwLanguageServiceIsDisabledError, + getSignatureHelpItems: throwLanguageServiceIsDisabledError, + getDefinitionAtPosition: throwLanguageServiceIsDisabledError, + getRenameInfo: throwLanguageServiceIsDisabledError, + getTypeDefinitionAtPosition: throwLanguageServiceIsDisabledError, + getReferencesAtPosition: throwLanguageServiceIsDisabledError, + getDocumentHighlights: throwLanguageServiceIsDisabledError, + getOccurrencesAtPosition: throwLanguageServiceIsDisabledError, + getNavigateToItems: throwLanguageServiceIsDisabledError, + getNavigationBarItems: throwLanguageServiceIsDisabledError, + getNavigationTree: throwLanguageServiceIsDisabledError, + getOutliningSpans: throwLanguageServiceIsDisabledError, + getTodoComments: throwLanguageServiceIsDisabledError, + getIndentationAtPosition: throwLanguageServiceIsDisabledError, + getFormattingEditsForRange: throwLanguageServiceIsDisabledError, + getFormattingEditsForDocument: throwLanguageServiceIsDisabledError, + getFormattingEditsAfterKeystroke: throwLanguageServiceIsDisabledError, + getDocCommentTemplateAtPosition: throwLanguageServiceIsDisabledError, + isValidBraceCompletionAtPosition: throwLanguageServiceIsDisabledError, + getEmitOutput: throwLanguageServiceIsDisabledError, + getProgram: throwLanguageServiceIsDisabledError, + getNonBoundSourceFile: throwLanguageServiceIsDisabledError, + dispose: throwLanguageServiceIsDisabledError, + getCompletionEntrySymbol: throwLanguageServiceIsDisabledError, + getImplementationAtPosition: throwLanguageServiceIsDisabledError, + getSourceFile: throwLanguageServiceIsDisabledError, + getCodeFixesAtPosition: throwLanguageServiceIsDisabledError + }; + server.nullLanguageServiceHost = { + setCompilationSettings: function () { return undefined; }, + notifyFileRemoved: function () { return undefined; }, + startRecordingFilesWithChangedResolutions: function () { return undefined; }, + finishRecordingFilesWithChangedResolutions: function () { return undefined; } + }; + function isInferredProjectName(name) { + return /dev\/null\/inferredProject\d+\*/.test(name); } - } - ts.forEachTransformedEmitFile = forEachTransformedEmitFile; - function getSourceMapFilePath(jsFilePath, options) { - return options.sourceMap ? jsFilePath + ".map" : undefined; - } - function forEachExpectedEmitFile(host, action, targetSourceFile, emitOnlyDtsFiles) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - onBundledEmit(host); + server.isInferredProjectName = isInferredProjectName; + function makeInferredProjectName(counter) { + return "/dev/null/inferredProject" + counter + "*"; } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { - var sourceFile = sourceFiles_3[_i]; - if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { - onSingleFileEmit(host, sourceFile); + server.makeInferredProjectName = makeInferredProjectName; + function toSortedReadonlyArray(arr) { + arr.sort(); + return arr; + } + server.toSortedReadonlyArray = toSortedReadonlyArray; + var ThrottledOperations = (function () { + function ThrottledOperations(host) { + this.host = host; + this.pendingTimeouts = ts.createMap(); + } + ThrottledOperations.prototype.schedule = function (operationId, delay, cb) { + if (ts.hasProperty(this.pendingTimeouts, operationId)) { + this.host.clearTimeout(this.pendingTimeouts[operationId]); } + this.pendingTimeouts[operationId] = this.host.setTimeout(ThrottledOperations.run, delay, this, operationId, cb); + }; + ThrottledOperations.run = function (self, operationId, cb) { + delete self.pendingTimeouts[operationId]; + cb(); + }; + return ThrottledOperations; + }()); + server.ThrottledOperations = ThrottledOperations; + var GcTimer = (function () { + function GcTimer(host, delay, logger) { + this.host = host; + this.delay = delay; + this.logger = logger; } - } - function onSingleFileEmit(host, sourceFile) { - var extension = ".js"; - if (options.jsx === 1) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } + GcTimer.prototype.scheduleCollect = function () { + if (!this.host.gc || this.timerId != undefined) { + return; } - else if (sourceFile.languageVariant === 1) { - extension = ".jsx"; + this.timerId = this.host.setTimeout(GcTimer.run, this.delay, this); + }; + GcTimer.run = function (self) { + self.timerId = undefined; + var log = self.logger.hasLevel(LogLevel.requestTime); + var before = log && self.host.getMemoryUsage(); + self.host.gc(); + if (log) { + var after = self.host.getMemoryUsage(); + self.logger.perftrc("GC::before " + before + ", after " + after); } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (emitOnlyDtsFiles || options.declaration) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: declarationFilePath }; - action(emitFileNames, [sourceFile], false, emitOnlyDtsFiles); - } - function onBundledEmit(host) { - var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && - !host.isSourceFileFromExternalLibrary(sourceFile) && - (!ts.isExternalModule(sourceFile) || - !!ts.getEmitModuleKind(options)); }); - if (bundledSources.length) { - var jsFilePath = options.outFile || options.out; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined - }; - action(emitFileNames, bundledSources, true, emitOnlyDtsFiles); - } - } - } - ts.forEachExpectedEmitFile = forEachExpectedEmitFile; - function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { - var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); - var commonSourceDirectory = host.getCommonSourceDirectory(); - var isSourceFileInCommonSourceDirectory = host.getCanonicalFileName(sourceFilePath).indexOf(host.getCanonicalFileName(commonSourceDirectory)) === 0; - sourceFilePath = isSourceFileInCommonSourceDirectory ? sourceFilePath.substring(commonSourceDirectory.length) : sourceFilePath; - return ts.combinePaths(newDirPath, sourceFilePath); + return GcTimer; + }()); + server.GcTimer = GcTimer; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function trace(host) { + host.trace(ts.formatMessage.apply(undefined, arguments)); } - ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; - function writeFile(host, diagnostics, fileName, data, writeByteOrderMark, sourceFiles) { - host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { - diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); - }, sourceFiles); + ts.trace = trace; + function isTraceEnabled(compilerOptions, host) { + return compilerOptions.traceResolution && host.trace !== undefined; } - ts.writeFile = writeFile; - function getLineOfLocalPosition(currentSourceFile, pos) { - return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; + ts.isTraceEnabled = isTraceEnabled; + function createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations) { + return { resolvedModule: resolvedFileName ? { resolvedFileName: resolvedFileName, isExternalLibraryImport: isExternalLibraryImport } : undefined, failedLookupLocations: failedLookupLocations }; } - ts.getLineOfLocalPosition = getLineOfLocalPosition; - function getLineOfLocalPositionFromLineMap(lineMap, pos) { - return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; + ts.createResolvedModule = createResolvedModule; + function moduleHasNonRelativeName(moduleName) { + return !(ts.isRootedDiskPath(moduleName) || ts.isExternalModuleNameRelative(moduleName)); } - ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; - function getFirstConstructorWithBody(node) { - return ts.forEach(node.members, function (member) { - if (member.kind === 149 && nodeIsPresent(member.body)) { - return member; + function tryReadTypesSection(packageJsonPath, baseDirectory, state) { + var jsonContent = readJson(packageJsonPath, state.host); + function tryReadFromField(fieldName) { + if (ts.hasProperty(jsonContent, fieldName)) { + var typesFile = jsonContent[fieldName]; + if (typeof typesFile === "string") { + var typesFilePath_1 = ts.normalizePath(ts.combinePaths(baseDirectory, typesFile)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, typesFile, typesFilePath_1); + } + return typesFilePath_1; + } + else { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_string_got_1, fieldName, typeof typesFile); + } + } } - }); - } - ts.getFirstConstructorWithBody = getFirstConstructorWithBody; - function getSetAccessorTypeAnnotationNode(accessor) { - if (accessor && accessor.parameters.length > 0) { - var hasThis = accessor.parameters.length === 2 && parameterIsThisKeyword(accessor.parameters[0]); - return accessor.parameters[hasThis ? 1 : 0].type; } - } - ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; - function getThisParameter(signature) { - if (signature.parameters.length) { - var thisParameter = signature.parameters[0]; - if (parameterIsThisKeyword(thisParameter)) { - return thisParameter; + var typesFilePath = tryReadFromField("typings") || tryReadFromField("types"); + if (typesFilePath) { + return typesFilePath; + } + if (state.compilerOptions.allowJs && jsonContent.main && typeof jsonContent.main === "string") { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0, jsonContent.main); } + var mainFilePath = ts.normalizePath(ts.combinePaths(baseDirectory, jsonContent.main)); + return mainFilePath; } + return undefined; } - ts.getThisParameter = getThisParameter; - function parameterIsThisKeyword(parameter) { - return isThisIdentifier(parameter.name); - } - ts.parameterIsThisKeyword = parameterIsThisKeyword; - function isThisIdentifier(node) { - return node && node.kind === 70 && identifierIsThisKeyword(node); - } - ts.isThisIdentifier = isThisIdentifier; - function identifierIsThisKeyword(id) { - return id.originalKeywordKind === 98; - } - ts.identifierIsThisKeyword = identifierIsThisKeyword; - function getAllAccessorDeclarations(declarations, accessor) { - var firstAccessor; - var secondAccessor; - var getAccessor; - var setAccessor; - if (hasDynamicName(accessor)) { - firstAccessor = accessor; - if (accessor.kind === 150) { - getAccessor = accessor; - } - else if (accessor.kind === 151) { - setAccessor = accessor; - } - else { - ts.Debug.fail("Accessor has wrong kind"); - } + function readJson(path, host) { + try { + var jsonText = host.readFile(path); + return jsonText ? JSON.parse(jsonText) : {}; } - else { - ts.forEach(declarations, function (member) { - if ((member.kind === 150 || member.kind === 151) - && hasModifier(member, 32) === hasModifier(accessor, 32)) { - var memberName = getPropertyNameForPropertyNameNode(member.name); - var accessorName = getPropertyNameForPropertyNameNode(accessor.name); - if (memberName === accessorName) { - if (!firstAccessor) { - firstAccessor = member; - } - else if (!secondAccessor) { - secondAccessor = member; - } - if (member.kind === 150 && !getAccessor) { - getAccessor = member; - } - if (member.kind === 151 && !setAccessor) { - setAccessor = member; - } - } - } - }); + catch (e) { + return {}; } - return { - firstAccessor: firstAccessor, - secondAccessor: secondAccessor, - getAccessor: getAccessor, - setAccessor: setAccessor - }; } - ts.getAllAccessorDeclarations = getAllAccessorDeclarations; - function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { - emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, node.pos, leadingComments); - } - ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; - function emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, pos, leadingComments) { - if (leadingComments && leadingComments.length && pos !== leadingComments[0].pos && - getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { - writer.writeLine(); + var typeReferenceExtensions = [".d.ts"]; + function getEffectiveTypeRoots(options, host) { + if (options.typeRoots) { + return options.typeRoots; } - } - ts.emitNewLineBeforeLeadingCommentsOfPosition = emitNewLineBeforeLeadingCommentsOfPosition; - function emitNewLineBeforeLeadingCommentOfPosition(lineMap, writer, pos, commentPos) { - if (pos !== commentPos && - getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, commentPos)) { - writer.writeLine(); + var currentDirectory; + if (options.configFilePath) { + currentDirectory = ts.getDirectoryPath(options.configFilePath); + } + else if (host.getCurrentDirectory) { + currentDirectory = host.getCurrentDirectory(); } + return currentDirectory !== undefined && getDefaultTypeRoots(currentDirectory, host); } - ts.emitNewLineBeforeLeadingCommentOfPosition = emitNewLineBeforeLeadingCommentOfPosition; - function emitComments(text, lineMap, writer, comments, leadingSeparator, trailingSeparator, newLine, writeComment) { - if (comments && comments.length > 0) { - if (leadingSeparator) { - writer.write(" "); + ts.getEffectiveTypeRoots = getEffectiveTypeRoots; + function getDefaultTypeRoots(currentDirectory, host) { + if (!host.directoryExists) { + return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)]; + } + var typeRoots; + while (true) { + var atTypes = ts.combinePaths(currentDirectory, nodeModulesAtTypes); + if (host.directoryExists(atTypes)) { + (typeRoots || (typeRoots = [])).push(atTypes); } - var emitInterveningSeparator = false; - for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { - var comment = comments_1[_i]; - if (emitInterveningSeparator) { - writer.write(" "); - emitInterveningSeparator = false; - } - writeComment(text, lineMap, writer, comment.pos, comment.end, newLine); - if (comment.hasTrailingNewLine) { - writer.writeLine(); + var parent_1 = ts.getDirectoryPath(currentDirectory); + if (parent_1 === currentDirectory) { + break; + } + currentDirectory = parent_1; + } + return typeRoots; + } + var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types"); + function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host) { + var traceEnabled = isTraceEnabled(options, host); + var moduleResolutionState = { + compilerOptions: options, + host: host, + skipTsx: true, + traceEnabled: traceEnabled + }; + var typeRoots = getEffectiveTypeRoots(options, host); + if (traceEnabled) { + if (containingFile === undefined) { + if (typeRoots === undefined) { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName); } else { - emitInterveningSeparator = true; + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots); } } - if (emitInterveningSeparator && trailingSeparator) { - writer.write(" "); + else { + if (typeRoots === undefined) { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile); + } + else { + trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots); + } } } - } - ts.emitComments = emitComments; - function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { - var leadingComments; - var currentDetachedCommentInfo; - if (removeComments) { - if (node.pos === 0) { - leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + var failedLookupLocations = []; + if (typeRoots && typeRoots.length) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", ")); } - } - else { - leadingComments = ts.getLeadingCommentRanges(text, node.pos); - } - if (leadingComments) { - var detachedComments = []; - var lastComment = void 0; - for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { - var comment = leadingComments_1[_i]; - if (lastComment) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); - var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); - if (commentLine >= lastCommentLine + 2) { - break; + var primarySearchPaths = typeRoots; + for (var _i = 0, primarySearchPaths_1 = primarySearchPaths; _i < primarySearchPaths_1.length; _i++) { + var typeRoot = primarySearchPaths_1[_i]; + var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName); + var candidateDirectory = ts.getDirectoryPath(candidate); + var resolvedFile_1 = loadNodeModuleFromDirectory(typeReferenceExtensions, candidate, failedLookupLocations, !directoryProbablyExists(candidateDirectory, host), moduleResolutionState); + if (resolvedFile_1) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile_1, true); } + return { + resolvedTypeReferenceDirective: { primary: true, resolvedFileName: resolvedFile_1 }, + failedLookupLocations: failedLookupLocations + }; } - detachedComments.push(comment); - lastComment = comment; } - if (detachedComments.length) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); - var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); - if (nodeLine >= lastCommentLine + 2) { - emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); - emitComments(text, lineMap, writer, detachedComments, false, true, newLine, writeComment); - currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; - } + } + else { + if (traceEnabled) { + trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths); } } - return currentDetachedCommentInfo; - function isPinnedComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 33; + var resolvedFile; + var initialLocationForSecondaryLookup; + if (containingFile) { + initialLocationForSecondaryLookup = ts.getDirectoryPath(containingFile); } - } - ts.emitDetachedComments = emitDetachedComments; - function writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine) { - if (text.charCodeAt(commentPos + 1) === 42) { - var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, commentPos); - var lineCount = lineMap.length; - var firstCommentLineIndent = void 0; - for (var pos = commentPos, currentLine = firstCommentLineAndCharacter.line; pos < commentEnd; currentLine++) { - var nextLineStart = (currentLine + 1) === lineCount - ? text.length + 1 - : lineMap[currentLine + 1]; - if (pos !== commentPos) { - if (firstCommentLineIndent === undefined) { - firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], commentPos); - } - var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); - var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); - if (spacesToEmit > 0) { - var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); - var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); - writer.rawWrite(indentSizeSpaceString); - while (numberOfSingleSpacesToEmit) { - writer.rawWrite(" "); - numberOfSingleSpacesToEmit--; - } - } - else { - writer.rawWrite(""); - } + if (initialLocationForSecondaryLookup !== undefined) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup); + } + resolvedFile = loadModuleFromNodeModules(typeReferenceDirectiveName, initialLocationForSecondaryLookup, failedLookupLocations, moduleResolutionState, false); + if (traceEnabled) { + if (resolvedFile) { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile, false); + } + else { + trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName); } - writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart); - pos = nextLineStart; } } else { - writer.write(text.substring(commentPos, commentEnd)); - } - } - ts.writeCommentRange = writeCommentRange; - function writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart) { - var end = Math.min(commentEnd, nextLineStart - 1); - var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); - if (currentLineText) { - writer.write(currentLineText); - if (end !== commentEnd) { - writer.writeLine(); + if (traceEnabled) { + trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder); } } - else { - writer.writeLiteral(newLine); + return { + resolvedTypeReferenceDirective: resolvedFile + ? { primary: false, resolvedFileName: resolvedFile } + : undefined, + failedLookupLocations: failedLookupLocations + }; + } + ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective; + function getAutomaticTypeDirectiveNames(options, host) { + if (options.types) { + return options.types; + } + var result = []; + if (host.directoryExists && host.getDirectories) { + var typeRoots = getEffectiveTypeRoots(options, host); + if (typeRoots) { + for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) { + var root = typeRoots_1[_i]; + if (host.directoryExists(root)) { + for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) { + var typeDirectivePath = _b[_a]; + var normalized = ts.normalizePath(typeDirectivePath); + var packageJsonPath = pathToPackageJson(ts.combinePaths(root, normalized)); + var isNotNeededPackage = host.fileExists(packageJsonPath) && readJson(packageJsonPath, host).typings === null; + if (!isNotNeededPackage) { + result.push(ts.getBaseFileName(normalized)); + } + } + } + } + } } + return result; } - function calculateIndent(text, pos, end) { - var currentLineIndent = 0; - for (; pos < end && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) { - if (text.charCodeAt(pos) === 9) { - currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames; + function resolveModuleName(moduleName, containingFile, compilerOptions, host) { + var traceEnabled = isTraceEnabled(compilerOptions, host); + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile); + } + var moduleResolution = compilerOptions.moduleResolution; + if (moduleResolution === undefined) { + moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic; + if (traceEnabled) { + trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]); + } + } + else { + if (traceEnabled) { + trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]); + } + } + var result; + switch (moduleResolution) { + case ts.ModuleResolutionKind.NodeJs: + result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); + break; + case ts.ModuleResolutionKind.Classic: + result = classicNameResolver(moduleName, containingFile, compilerOptions, host); + break; + } + if (traceEnabled) { + if (result.resolvedModule) { + trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName); } else { - currentLineIndent++; + trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName); } } - return currentLineIndent; - } - function hasModifiers(node) { - return getModifierFlags(node) !== 0; + return result; } - ts.hasModifiers = hasModifiers; - function hasModifier(node, flags) { - return (getModifierFlags(node) & flags) !== 0; + ts.resolveModuleName = resolveModuleName; + function tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { + if (moduleHasNonRelativeName(moduleName)) { + return tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state); + } + else { + return tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state); + } } - ts.hasModifier = hasModifier; - function getModifierFlags(node) { - if (node.modifierFlagsCache & 536870912) { - return node.modifierFlagsCache & ~536870912; + function tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) { + if (!state.compilerOptions.rootDirs) { + return undefined; } - var flags = 0; - if (node.modifiers) { - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - flags |= modifierToFlag(modifier.kind); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName); + } + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var matchedRootDir; + var matchedNormalizedPrefix; + for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) { + var rootDir = _a[_i]; + var normalizedRoot = ts.normalizePath(rootDir); + if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) { + normalizedRoot += ts.directorySeparator; + } + var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) && + (matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix); + } + if (isLongestMatchingPrefix) { + matchedNormalizedPrefix = normalizedRoot; + matchedRootDir = rootDir; } } - if (node.flags & 4) { - flags |= 1; + if (matchedNormalizedPrefix) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix); + } + var suffix = candidate.substr(matchedNormalizedPrefix.length); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate); + } + var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(containingDirectory, state.host), state); + if (resolvedFileName) { + return resolvedFileName; + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs); + } + for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) { + var rootDir = _c[_b]; + if (rootDir === matchedRootDir) { + continue; + } + var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1); + } + var baseDirectory = ts.getDirectoryPath(candidate_1); + var resolvedFileName_1 = loader(candidate_1, supportedExtensions, failedLookupLocations, !directoryProbablyExists(baseDirectory, state.host), state); + if (resolvedFileName_1) { + return resolvedFileName_1; + } + } + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed); + } } - node.modifierFlagsCache = flags | 536870912; - return flags; + return undefined; } - ts.getModifierFlags = getModifierFlags; - function modifierToFlag(token) { - switch (token) { - case 114: return 32; - case 113: return 4; - case 112: return 16; - case 111: return 8; - case 116: return 128; - case 83: return 1; - case 123: return 2; - case 75: return 2048; - case 78: return 512; - case 119: return 256; - case 129: return 64; + function tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state) { + if (!state.compilerOptions.baseUrl) { + return undefined; } - return 0; - } - ts.modifierToFlag = modifierToFlag; - function isLogicalOperator(token) { - return token === 53 - || token === 52 - || token === 50; - } - ts.isLogicalOperator = isLogicalOperator; - function isAssignmentOperator(token) { - return token >= 57 && token <= 69; - } - ts.isAssignmentOperator = isAssignmentOperator; - function tryGetClassExtendingExpressionWithTypeArguments(node) { - if (node.kind === 195 && - node.parent.token === 84 && - isClassLike(node.parent.parent)) { - return node.parent.parent; + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, state.compilerOptions.baseUrl, moduleName); } - } - ts.tryGetClassExtendingExpressionWithTypeArguments = tryGetClassExtendingExpressionWithTypeArguments; - function isDestructuringAssignment(node) { - if (isBinaryExpression(node)) { - if (node.operatorToken.kind === 57) { - var kind = node.left.kind; - return kind === 172 - || kind === 171; + var matchedPattern = undefined; + if (state.compilerOptions.paths) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName); } + matchedPattern = ts.matchPatternOrExact(ts.getOwnKeys(state.compilerOptions.paths), moduleName); } - return false; - } - ts.isDestructuringAssignment = isDestructuringAssignment; - function isSupportedExpressionWithTypeArguments(node) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; - function isSupportedExpressionWithTypeArgumentsRest(node) { - if (node.kind === 70) { - return true; - } - else if (isPropertyAccessExpression(node)) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); + if (matchedPattern) { + var matchedStar = typeof matchedPattern === "string" ? undefined : ts.matchedText(matchedPattern, moduleName); + var matchedPatternText = typeof matchedPattern === "string" ? matchedPattern : ts.patternText(matchedPattern); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText); + } + for (var _i = 0, _a = state.compilerOptions.paths[matchedPatternText]; _i < _a.length; _i++) { + var subst = _a[_i]; + var path = matchedStar ? subst.replace("*", matchedStar) : subst; + var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, path)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path); + } + var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); + if (resolvedFileName) { + return resolvedFileName; + } + } + return undefined; } else { - return false; + var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, moduleName)); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, state.compilerOptions.baseUrl, candidate); + } + return loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state); } } - function isExpressionWithTypeArgumentsInClassExtendsClause(node) { - return tryGetClassExtendingExpressionWithTypeArguments(node) !== undefined; + function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { + var containingDirectory = ts.getDirectoryPath(containingFile); + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + var traceEnabled = isTraceEnabled(compilerOptions, host); + var failedLookupLocations = []; + var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: false }; + var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, nodeLoadModuleByRelativeName, failedLookupLocations, supportedExtensions, state); + var isExternalLibraryImport = false; + if (!resolvedFileName) { + if (moduleHasNonRelativeName(moduleName)) { + if (traceEnabled) { + trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder, moduleName); + } + resolvedFileName = loadModuleFromNodeModules(moduleName, containingDirectory, failedLookupLocations, state, false); + isExternalLibraryImport = resolvedFileName !== undefined; + } + else { + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + resolvedFileName = nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, false, state); + } + } + if (resolvedFileName && host.realpath) { + var originalFileName = resolvedFileName; + resolvedFileName = ts.normalizePath(host.realpath(resolvedFileName)); + if (traceEnabled) { + trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, originalFileName, resolvedFileName); + } + } + return createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations); } - ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; - function isEntityNameExpression(node) { - return node.kind === 70 || - node.kind === 173 && isEntityNameExpression(node.expression); + ts.nodeModuleNameResolver = nodeModuleNameResolver; + function nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0, candidate); + } + var resolvedFileName = !ts.pathEndsWithDirectorySeparator(candidate) && loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state); + return resolvedFileName || loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, onlyRecordFailures, state); } - ts.isEntityNameExpression = isEntityNameExpression; - function isRightSideOfQualifiedNameOrPropertyAccess(node) { - return (node.parent.kind === 140 && node.parent.right === node) || - (node.parent.kind === 173 && node.parent.name === node); + function directoryProbablyExists(directoryName, host) { + return !host.directoryExists || host.directoryExists(directoryName); } - ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; - function isEmptyObjectLiteralOrArrayLiteral(expression) { - var kind = expression.kind; - if (kind === 172) { - return expression.properties.length === 0; + ts.directoryProbablyExists = directoryProbablyExists; + function loadModuleFromFile(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { + var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state); + if (resolvedByAddingExtension) { + return resolvedByAddingExtension; } - if (kind === 171) { - return expression.elements.length === 0; + if (ts.hasJavaScriptFileExtension(candidate)) { + var extensionless = ts.removeFileExtension(candidate); + if (state.traceEnabled) { + var extension = candidate.substring(extensionless.length); + trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension); + } + return tryAddingExtensions(extensionless, extensions, failedLookupLocation, onlyRecordFailures, state); } - return false; } - ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; - function getLocalSymbolForExportDefault(symbol) { - return symbol && symbol.valueDeclaration && hasModifier(symbol.valueDeclaration, 512) ? symbol.valueDeclaration.localSymbol : undefined; - } - ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; - function tryExtractTypeScriptExtension(fileName) { - return ts.find(ts.supportedTypescriptExtensionsForExtractExtension, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + function tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) { + if (!onlyRecordFailures) { + var directory = ts.getDirectoryPath(candidate); + if (directory) { + onlyRecordFailures = !directoryProbablyExists(directory, state.host); + } + } + return ts.forEach(extensions, function (ext) { + return !(state.skipTsx && ts.isJsxOrTsxExtension(ext)) && tryFile(candidate + ext, failedLookupLocation, onlyRecordFailures, state); + }); } - ts.tryExtractTypeScriptExtension = tryExtractTypeScriptExtension; - function getExpandedCharCodes(input) { - var output = []; - var length = input.length; - for (var i = 0; i < length; i++) { - var charCode = input.charCodeAt(i); - if (charCode < 0x80) { - output.push(charCode); + function tryFile(fileName, failedLookupLocation, onlyRecordFailures, state) { + if (!onlyRecordFailures && state.host.fileExists(fileName)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName); } - else if (charCode < 0x800) { - output.push((charCode >> 6) | 192); - output.push((charCode & 63) | 128); + return fileName; + } + else { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName); } - else if (charCode < 0x10000) { - output.push((charCode >> 12) | 224); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); + failedLookupLocation.push(fileName); + return undefined; + } + } + function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, state) { + var packageJsonPath = pathToPackageJson(candidate); + var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, state.host); + if (directoryExists && state.host.fileExists(packageJsonPath)) { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath); } - else if (charCode < 0x20000) { - output.push((charCode >> 18) | 240); - output.push(((charCode >> 12) & 63) | 128); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); + var typesFile = tryReadTypesSection(packageJsonPath, candidate, state); + if (typesFile) { + var onlyRecordFailures_1 = !directoryProbablyExists(ts.getDirectoryPath(typesFile), state.host); + var result = tryFile(typesFile, failedLookupLocation, onlyRecordFailures_1, state) || + tryAddingExtensions(typesFile, extensions, failedLookupLocation, onlyRecordFailures_1, state); + if (result) { + return result; + } } else { - ts.Debug.assert(false, "Unexpected code point"); + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.package_json_does_not_have_types_field); + } } } - return output; - } - ts.stringify = typeof JSON !== "undefined" && JSON.stringify - ? JSON.stringify - : stringifyFallback; - function stringifyFallback(value) { - return value === undefined ? undefined : stringifyValue(value); - } - function stringifyValue(value) { - return typeof value === "string" ? "\"" + escapeString(value) + "\"" - : typeof value === "number" ? isFinite(value) ? String(value) : "null" - : typeof value === "boolean" ? value ? "true" : "false" - : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) - : "null"; - } - function cycleCheck(cb, value) { - ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); - value.__cycle = true; - var result = cb(value); - delete value.__cycle; - return result; + else { + if (state.traceEnabled) { + trace(state.host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath); + } + failedLookupLocation.push(packageJsonPath); + } + return loadModuleFromFile(ts.combinePaths(candidate, "index"), extensions, failedLookupLocation, !directoryExists, state); } - function stringifyArray(value) { - return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; + function pathToPackageJson(directory) { + return ts.combinePaths(directory, "package.json"); } - function stringifyElement(memo, value) { - return (memo ? memo + "," : memo) + stringifyValue(value); + function loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state) { + var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); + var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, state.host); + var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); + var supportedExtensions = ts.getSupportedExtensions(state.compilerOptions); + var result = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, !nodeModulesFolderExists, state); + if (result) { + return result; + } + result = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state); + if (result) { + return result; + } } - function stringifyObject(value) { - return "{" + ts.reduceOwnProperties(value, stringifyProperty, "") + "}"; + function loadModuleFromNodeModules(moduleName, directory, failedLookupLocations, state, checkOneLevel) { + return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, false); } - function stringifyProperty(memo, value, key) { - return value === undefined || typeof value === "function" || key === "__cycle" ? memo - : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); + ts.loadModuleFromNodeModules = loadModuleFromNodeModules; + function loadModuleFromNodeModulesAtTypes(moduleName, directory, failedLookupLocations, state) { + return loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, false, true); } - var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - function convertToBase64(input) { - var result = ""; - var charCodes = getExpandedCharCodes(input); - var i = 0; - var length = charCodes.length; - var byte1, byte2, byte3, byte4; - while (i < length) { - byte1 = charCodes[i] >> 2; - byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; - byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; - byte4 = charCodes[i + 2] & 63; - if (i + 1 >= length) { - byte3 = byte4 = 64; + function loadModuleFromNodeModulesWorker(moduleName, directory, failedLookupLocations, state, checkOneLevel, typesOnly) { + directory = ts.normalizeSlashes(directory); + while (true) { + var baseName = ts.getBaseFileName(directory); + if (baseName !== "node_modules") { + var packageResult = void 0; + if (!typesOnly) { + packageResult = loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state); + if (packageResult && ts.hasTypeScriptFileExtension(packageResult)) { + return packageResult; + } + } + var typesResult = loadModuleFromNodeModulesFolder(ts.combinePaths("@types", moduleName), directory, failedLookupLocations, state); + if (typesResult || packageResult) { + return typesResult || packageResult; + } } - else if (i + 2 >= length) { - byte4 = 64; + var parentPath = ts.getDirectoryPath(directory); + if (parentPath === directory || checkOneLevel) { + break; } - result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); - i += 3; + directory = parentPath; } - return result; + return undefined; } - ts.convertToBase64 = convertToBase64; - var carriageReturnLineFeed = "\r\n"; - var lineFeed = "\n"; - function getNewLineCharacter(options) { - if (options.newLine === 0) { - return carriageReturnLineFeed; + function classicNameResolver(moduleName, containingFile, compilerOptions, host) { + var traceEnabled = isTraceEnabled(compilerOptions, host); + var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: !compilerOptions.jsx }; + var failedLookupLocations = []; + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + var containingDirectory = ts.getDirectoryPath(containingFile); + var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loadModuleFromFile, failedLookupLocations, supportedExtensions, state); + if (resolvedFileName) { + return createResolvedModule(resolvedFileName, false, failedLookupLocations); } - else if (options.newLine === 1) { - return lineFeed; + var referencedSourceFile; + if (moduleHasNonRelativeName(moduleName)) { + referencedSourceFile = referencedSourceFile = loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) || + loadModuleFromNodeModulesAtTypes(moduleName, containingDirectory, failedLookupLocations, state); } - else if (ts.sys) { - return ts.sys.newLine; + else { + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + referencedSourceFile = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, false, state); } - return carriageReturnLineFeed; - } - ts.getNewLineCharacter = getNewLineCharacter; - function isSimpleExpression(node) { - return isSimpleExpressionWorker(node, 0); + return referencedSourceFile + ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; } - ts.isSimpleExpression = isSimpleExpression; - function isSimpleExpressionWorker(node, depth) { - if (depth <= 5) { - var kind = node.kind; - if (kind === 9 - || kind === 8 - || kind === 11 - || kind === 12 - || kind === 70 - || kind === 98 - || kind === 96 - || kind === 100 - || kind === 85 - || kind === 94) { - return true; - } - else if (kind === 173) { - return isSimpleExpressionWorker(node.expression, depth + 1); - } - else if (kind === 174) { - return isSimpleExpressionWorker(node.expression, depth + 1) - && isSimpleExpressionWorker(node.argumentExpression, depth + 1); - } - else if (kind === 186 - || kind === 187) { - return isSimpleExpressionWorker(node.operand, depth + 1); - } - else if (kind === 188) { - return node.operatorToken.kind !== 39 - && isSimpleExpressionWorker(node.left, depth + 1) - && isSimpleExpressionWorker(node.right, depth + 1); - } - else if (kind === 189) { - return isSimpleExpressionWorker(node.condition, depth + 1) - && isSimpleExpressionWorker(node.whenTrue, depth + 1) - && isSimpleExpressionWorker(node.whenFalse, depth + 1); - } - else if (kind === 184 - || kind === 183 - || kind === 182) { - return isSimpleExpressionWorker(node.expression, depth + 1); - } - else if (kind === 171) { - return node.elements.length === 0; - } - else if (kind === 172) { - return node.properties.length === 0; + ts.classicNameResolver = classicNameResolver; + function loadModuleFromAncestorDirectories(moduleName, containingDirectory, supportedExtensions, failedLookupLocations, state) { + while (true) { + var searchName = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var referencedSourceFile = loadModuleFromFile(searchName, supportedExtensions, failedLookupLocations, false, state); + if (referencedSourceFile) { + return referencedSourceFile; } - else if (kind === 175) { - if (!isSimpleExpressionWorker(node.expression, depth + 1)) { - return false; - } - for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { - var argument = _a[_i]; - if (!isSimpleExpressionWorker(argument, depth + 1)) { - return false; - } - } - return true; + var parentPath = ts.getDirectoryPath(containingDirectory); + if (parentPath === containingDirectory) { + return undefined; } + containingDirectory = parentPath; } - return false; } - var syntaxKindCache = ts.createMap(); - function formatSyntaxKind(kind) { - var syntaxKindEnum = ts.SyntaxKind; - if (syntaxKindEnum) { - if (syntaxKindCache[kind]) { - return syntaxKindCache[kind]; - } - for (var name_6 in syntaxKindEnum) { - if (syntaxKindEnum[name_6] === kind) { - return syntaxKindCache[kind] = kind.toString() + " (" + name_6 + ")"; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.externalHelpersModuleNameText = "tslib"; + function getDeclarationOfKind(symbol, kind) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { + var declaration = declarations_1[_i]; + if (declaration.kind === kind) { + return declaration; } } } - else { - return kind.toString(); + return undefined; + } + ts.getDeclarationOfKind = getDeclarationOfKind; + var stringWriters = []; + function getSingleLineStringWriter() { + if (stringWriters.length === 0) { + var str_1 = ""; + var writeText = function (text) { return str_1 += text; }; + return { + string: function () { return str_1; }, + writeKeyword: writeText, + writeOperator: writeText, + writePunctuation: writeText, + writeSpace: writeText, + writeStringLiteral: writeText, + writeParameter: writeText, + writeSymbol: writeText, + writeLine: function () { return str_1 += " "; }, + increaseIndent: ts.noop, + decreaseIndent: ts.noop, + clear: function () { return str_1 = ""; }, + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop + }; } + return stringWriters.pop(); } - ts.formatSyntaxKind = formatSyntaxKind; - function movePos(pos, value) { - return ts.positionIsSynthesized(pos) ? -1 : pos + value; + ts.getSingleLineStringWriter = getSingleLineStringWriter; + function releaseStringWriter(writer) { + writer.clear(); + stringWriters.push(writer); } - ts.movePos = movePos; - function createRange(pos, end) { - return { pos: pos, end: end }; + ts.releaseStringWriter = releaseStringWriter; + function getFullWidth(node) { + return node.end - node.pos; } - ts.createRange = createRange; - function moveRangeEnd(range, end) { - return createRange(range.pos, end); + ts.getFullWidth = getFullWidth; + function hasResolvedModule(sourceFile, moduleNameText) { + return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]); } - ts.moveRangeEnd = moveRangeEnd; - function moveRangePos(range, pos) { - return createRange(pos, range.end); + ts.hasResolvedModule = hasResolvedModule; + function getResolvedModule(sourceFile, moduleNameText) { + return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; } - ts.moveRangePos = moveRangePos; - function moveRangePastDecorators(node) { - return node.decorators && node.decorators.length > 0 - ? moveRangePos(node, node.decorators.end) - : node; + ts.getResolvedModule = getResolvedModule; + function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { + if (!sourceFile.resolvedModules) { + sourceFile.resolvedModules = ts.createMap(); + } + sourceFile.resolvedModules[moduleNameText] = resolvedModule; } - ts.moveRangePastDecorators = moveRangePastDecorators; - function moveRangePastModifiers(node) { - return node.modifiers && node.modifiers.length > 0 - ? moveRangePos(node, node.modifiers.end) - : moveRangePastDecorators(node); + ts.setResolvedModule = setResolvedModule; + function setResolvedTypeReferenceDirective(sourceFile, typeReferenceDirectiveName, resolvedTypeReferenceDirective) { + if (!sourceFile.resolvedTypeReferenceDirectiveNames) { + sourceFile.resolvedTypeReferenceDirectiveNames = ts.createMap(); + } + sourceFile.resolvedTypeReferenceDirectiveNames[typeReferenceDirectiveName] = resolvedTypeReferenceDirective; } - ts.moveRangePastModifiers = moveRangePastModifiers; - function isCollapsedRange(range) { - return range.pos === range.end; + ts.setResolvedTypeReferenceDirective = setResolvedTypeReferenceDirective; + function moduleResolutionIsEqualTo(oldResolution, newResolution) { + return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport; } - ts.isCollapsedRange = isCollapsedRange; - function collapseRangeToStart(range) { - return isCollapsedRange(range) ? range : moveRangeEnd(range, range.pos); + ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo; + function typeDirectiveIsEqualTo(oldResolution, newResolution) { + return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.primary === newResolution.primary; } - ts.collapseRangeToStart = collapseRangeToStart; - function collapseRangeToEnd(range) { - return isCollapsedRange(range) ? range : moveRangePos(range, range.end); + ts.typeDirectiveIsEqualTo = typeDirectiveIsEqualTo; + function hasChangesInResolutions(names, newResolutions, oldResolutions, comparer) { + if (names.length !== newResolutions.length) { + return false; + } + for (var i = 0; i < names.length; i++) { + var newResolution = newResolutions[i]; + var oldResolution = oldResolutions && oldResolutions[names[i]]; + var changed = oldResolution + ? !newResolution || !comparer(oldResolution, newResolution) + : newResolution; + if (changed) { + return true; + } + } + return false; } - ts.collapseRangeToEnd = collapseRangeToEnd; - function createTokenRange(pos, token) { - return createRange(pos, pos + ts.tokenToString(token).length); + ts.hasChangesInResolutions = hasChangesInResolutions; + function containsParseError(node) { + aggregateChildData(node); + return (node.flags & 2097152) !== 0; } - ts.createTokenRange = createTokenRange; - function rangeIsOnSingleLine(range, sourceFile) { - return rangeStartIsOnSameLineAsRangeEnd(range, range, sourceFile); + ts.containsParseError = containsParseError; + function aggregateChildData(node) { + if (!(node.flags & 4194304)) { + var thisNodeOrAnySubNodesHasError = ((node.flags & 524288) !== 0) || + ts.forEachChild(node, containsParseError); + if (thisNodeOrAnySubNodesHasError) { + node.flags |= 2097152; + } + node.flags |= 4194304; + } } - ts.rangeIsOnSingleLine = rangeIsOnSingleLine; - function rangeStartPositionsAreOnSameLine(range1, range2, sourceFile) { - return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), getStartPositionOfRange(range2, sourceFile), sourceFile); + function getSourceFileOfNode(node) { + while (node && node.kind !== 256) { + node = node.parent; + } + return node; } - ts.rangeStartPositionsAreOnSameLine = rangeStartPositionsAreOnSameLine; - function rangeEndPositionsAreOnSameLine(range1, range2, sourceFile) { - return positionsAreOnSameLine(range1.end, range2.end, sourceFile); + ts.getSourceFileOfNode = getSourceFileOfNode; + function isStatementWithLocals(node) { + switch (node.kind) { + case 200: + case 228: + case 207: + case 208: + case 209: + return true; + } + return false; } - ts.rangeEndPositionsAreOnSameLine = rangeEndPositionsAreOnSameLine; - function rangeStartIsOnSameLineAsRangeEnd(range1, range2, sourceFile) { - return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), range2.end, sourceFile); + ts.isStatementWithLocals = isStatementWithLocals; + function getStartPositionOfLine(line, sourceFile) { + ts.Debug.assert(line >= 0); + return ts.getLineStarts(sourceFile)[line]; } - ts.rangeStartIsOnSameLineAsRangeEnd = rangeStartIsOnSameLineAsRangeEnd; - function rangeEndIsOnSameLineAsRangeStart(range1, range2, sourceFile) { - return positionsAreOnSameLine(range1.end, getStartPositionOfRange(range2, sourceFile), sourceFile); + ts.getStartPositionOfLine = getStartPositionOfLine; + function nodePosToString(node) { + var file = getSourceFileOfNode(node); + var loc = ts.getLineAndCharacterOfPosition(file, node.pos); + return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; } - ts.rangeEndIsOnSameLineAsRangeStart = rangeEndIsOnSameLineAsRangeStart; - function positionsAreOnSameLine(pos1, pos2, sourceFile) { - return pos1 === pos2 || - getLineOfLocalPosition(sourceFile, pos1) === getLineOfLocalPosition(sourceFile, pos2); + ts.nodePosToString = nodePosToString; + function getStartPosOfNode(node) { + return node.pos; } - ts.positionsAreOnSameLine = positionsAreOnSameLine; - function getStartPositionOfRange(range, sourceFile) { - return ts.positionIsSynthesized(range.pos) ? -1 : ts.skipTrivia(sourceFile.text, range.pos); + ts.getStartPosOfNode = getStartPosOfNode; + function isDefined(value) { + return value !== undefined; } - ts.getStartPositionOfRange = getStartPositionOfRange; - function collectExternalModuleInfo(sourceFile) { - var externalImports = []; - var exportSpecifiers = ts.createMap(); - var exportEquals = undefined; - var hasExportStarsToExportValues = false; - for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { - var node = _a[_i]; - switch (node.kind) { - case 231: - externalImports.push(node); - break; - case 230: - if (node.moduleReference.kind === 241) { - externalImports.push(node); - } - break; - case 237: - if (node.moduleSpecifier) { - if (!node.exportClause) { - externalImports.push(node); - hasExportStarsToExportValues = true; - } - else { - externalImports.push(node); - } - } - else { - for (var _b = 0, _c = node.exportClause.elements; _b < _c.length; _b++) { - var specifier = _c[_b]; - var name_7 = (specifier.propertyName || specifier.name).text; - (exportSpecifiers[name_7] || (exportSpecifiers[name_7] = [])).push(specifier); - } - } - break; - case 236: - if (node.isExportEquals && !exportEquals) { - exportEquals = node; - } - break; + ts.isDefined = isDefined; + function getEndLinePosition(line, sourceFile) { + ts.Debug.assert(line >= 0); + var lineStarts = ts.getLineStarts(sourceFile); + var lineIndex = line; + var sourceText = sourceFile.text; + if (lineIndex + 1 === lineStarts.length) { + return sourceText.length - 1; + } + else { + var start = lineStarts[lineIndex]; + var pos = lineStarts[lineIndex + 1] - 1; + ts.Debug.assert(ts.isLineBreak(sourceText.charCodeAt(pos))); + while (start <= pos && ts.isLineBreak(sourceText.charCodeAt(pos))) { + pos--; } + return pos; } - return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues }; } - ts.collectExternalModuleInfo = collectExternalModuleInfo; - function getInitializedVariables(node) { - return ts.filter(node.declarations, isInitializedVariable); + ts.getEndLinePosition = getEndLinePosition; + function nodeIsMissing(node) { + if (node === undefined) { + return true; + } + return node.pos === node.end && node.pos >= 0 && node.kind !== 1; } - ts.getInitializedVariables = getInitializedVariables; - function isInitializedVariable(node) { - return node.initializer !== undefined; + ts.nodeIsMissing = nodeIsMissing; + function nodeIsPresent(node) { + return !nodeIsMissing(node); } - function isMergedWithClass(node) { - if (node.symbol) { - for (var _i = 0, _a = node.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 222 && declaration !== node) { - return true; - } - } + ts.nodeIsPresent = nodeIsPresent; + function getTokenPosOfNode(node, sourceFile, includeJsDocComment) { + if (nodeIsMissing(node)) { + return node.pos; } - return false; + if (isJSDocNode(node)) { + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, false, true); + } + if (includeJsDocComment && node.jsDocComments && node.jsDocComments.length > 0) { + return getTokenPosOfNode(node.jsDocComments[0]); + } + if (node.kind === 286 && node._children.length > 0) { + return getTokenPosOfNode(node._children[0], sourceFile, includeJsDocComment); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); } - ts.isMergedWithClass = isMergedWithClass; - function isFirstDeclarationOfKind(node, kind) { - return node.symbol && getDeclarationOfKind(node.symbol, kind) === node; + ts.getTokenPosOfNode = getTokenPosOfNode; + function isJSDocNode(node) { + return node.kind >= 257 && node.kind <= 282; } - ts.isFirstDeclarationOfKind = isFirstDeclarationOfKind; - function isNodeArray(array) { - return array.hasOwnProperty("pos") - && array.hasOwnProperty("end"); + ts.isJSDocNode = isJSDocNode; + function isJSDocTag(node) { + return node.kind >= 273 && node.kind <= 285; } - ts.isNodeArray = isNodeArray; - function isNoSubstitutionTemplateLiteral(node) { - return node.kind === 12; + ts.isJSDocTag = isJSDocTag; + function getNonDecoratorTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node) || !node.decorators) { + return getTokenPosOfNode(node, sourceFile); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); } - ts.isNoSubstitutionTemplateLiteral = isNoSubstitutionTemplateLiteral; - function isLiteralKind(kind) { - return 8 <= kind && kind <= 12; + ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; + function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + if (nodeIsMissing(node)) { + return ""; + } + var text = sourceFile.text; + return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); } - ts.isLiteralKind = isLiteralKind; - function isTextualLiteralKind(kind) { - return kind === 9 || kind === 12; + ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; + function getTextOfNodeFromSourceText(sourceText, node) { + if (nodeIsMissing(node)) { + return ""; + } + return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); } - ts.isTextualLiteralKind = isTextualLiteralKind; - function isLiteralExpression(node) { - return isLiteralKind(node.kind); + ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; + function getTextOfNode(node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); } - ts.isLiteralExpression = isLiteralExpression; - function isTemplateLiteralKind(kind) { - return 12 <= kind && kind <= 15; + ts.getTextOfNode = getTextOfNode; + function getLiteralText(node, sourceFile, languageVersion) { + if (languageVersion < 2 && (isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { + return getQuotedEscapedLiteralText('"', node.text, '"'); + } + if (!nodeIsSynthesized(node) && node.parent) { + var text = getSourceTextOfNodeFromSourceFile(sourceFile, node); + if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { + return node.text; + } + return text; + } + switch (node.kind) { + case 9: + return getQuotedEscapedLiteralText('"', node.text, '"'); + case 12: + return getQuotedEscapedLiteralText("`", node.text, "`"); + case 13: + return getQuotedEscapedLiteralText("`", node.text, "${"); + case 14: + return getQuotedEscapedLiteralText("}", node.text, "${"); + case 15: + return getQuotedEscapedLiteralText("}", node.text, "`"); + case 8: + return node.text; + } + ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); } - ts.isTemplateLiteralKind = isTemplateLiteralKind; - function isTemplateHead(node) { - return node.kind === 13; + ts.getLiteralText = getLiteralText; + function isBinaryOrOctalIntegerLiteral(node, text) { + if (node.kind === 8 && text.length > 1) { + switch (text.charCodeAt(1)) { + case 98: + case 66: + case 111: + case 79: + return true; + } + } + return false; } - ts.isTemplateHead = isTemplateHead; - function isTemplateMiddleOrTemplateTail(node) { - var kind = node.kind; - return kind === 14 - || kind === 15; + ts.isBinaryOrOctalIntegerLiteral = isBinaryOrOctalIntegerLiteral; + function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { + return leftQuote + escapeNonAsciiCharacters(escapeString(text)) + rightQuote; } - ts.isTemplateMiddleOrTemplateTail = isTemplateMiddleOrTemplateTail; - function isIdentifier(node) { - return node.kind === 70; + function escapeIdentifier(identifier) { + return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; } - ts.isIdentifier = isIdentifier; - function isGeneratedIdentifier(node) { - return isIdentifier(node) && node.autoGenerateKind > 0; + ts.escapeIdentifier = escapeIdentifier; + function unescapeIdentifier(identifier) { + return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; } - ts.isGeneratedIdentifier = isGeneratedIdentifier; - function isModifier(node) { - return isModifierKind(node.kind); + ts.unescapeIdentifier = unescapeIdentifier; + function makeIdentifierFromModuleName(moduleName) { + return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); } - ts.isModifier = isModifier; - function isQualifiedName(node) { - return node.kind === 140; + ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; + function isBlockOrCatchScoped(declaration) { + return (ts.getCombinedNodeFlags(declaration) & 3) !== 0 || + isCatchClauseVariableDeclarationOrBindingElement(declaration); } - ts.isQualifiedName = isQualifiedName; - function isComputedPropertyName(node) { - return node.kind === 141; + ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isCatchClauseVariableDeclarationOrBindingElement(declaration) { + var node = getRootDeclaration(declaration); + return node.kind === 219 && node.parent.kind === 252; } - ts.isComputedPropertyName = isComputedPropertyName; - function isEntityName(node) { - var kind = node.kind; - return kind === 140 - || kind === 70; + ts.isCatchClauseVariableDeclarationOrBindingElement = isCatchClauseVariableDeclarationOrBindingElement; + function isAmbientModule(node) { + return node && node.kind === 226 && + (node.name.kind === 9 || isGlobalScopeAugmentation(node)); } - ts.isEntityName = isEntityName; - function isPropertyName(node) { - var kind = node.kind; - return kind === 70 - || kind === 9 - || kind === 8 - || kind === 141; + ts.isAmbientModule = isAmbientModule; + function isShorthandAmbientModuleSymbol(moduleSymbol) { + return isShorthandAmbientModule(moduleSymbol.valueDeclaration); } - ts.isPropertyName = isPropertyName; - function isModuleName(node) { - var kind = node.kind; - return kind === 70 - || kind === 9; + ts.isShorthandAmbientModuleSymbol = isShorthandAmbientModuleSymbol; + function isShorthandAmbientModule(node) { + return node.kind === 226 && (!node.body); } - ts.isModuleName = isModuleName; - function isBindingName(node) { - var kind = node.kind; - return kind === 70 - || kind === 168 - || kind === 169; - } - ts.isBindingName = isBindingName; - function isTypeParameter(node) { - return node.kind === 142; - } - ts.isTypeParameter = isTypeParameter; - function isParameter(node) { - return node.kind === 143; - } - ts.isParameter = isParameter; - function isDecorator(node) { - return node.kind === 144; - } - ts.isDecorator = isDecorator; - function isMethodDeclaration(node) { - return node.kind === 148; - } - ts.isMethodDeclaration = isMethodDeclaration; - function isClassElement(node) { - var kind = node.kind; - return kind === 149 - || kind === 146 - || kind === 148 - || kind === 150 - || kind === 151 - || kind === 154 - || kind === 199; - } - ts.isClassElement = isClassElement; - function isObjectLiteralElementLike(node) { - var kind = node.kind; - return kind === 253 - || kind === 254 - || kind === 148 - || kind === 150 - || kind === 151 - || kind === 240; + function isBlockScopedContainerTopLevel(node) { + return node.kind === 256 || + node.kind === 226 || + isFunctionLike(node); } - ts.isObjectLiteralElementLike = isObjectLiteralElementLike; - function isTypeNodeKind(kind) { - return (kind >= 155 && kind <= 167) - || kind === 118 - || kind === 131 - || kind === 121 - || kind === 133 - || kind === 134 - || kind === 104 - || kind === 128 - || kind === 195; + ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; + function isGlobalScopeAugmentation(module) { + return !!(module.flags & 512); } - function isTypeNode(node) { - return isTypeNodeKind(node.kind); + ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; + function isExternalModuleAugmentation(node) { + if (!node || !isAmbientModule(node)) { + return false; + } + switch (node.parent.kind) { + case 256: + return ts.isExternalModule(node.parent); + case 227: + return isAmbientModule(node.parent.parent) && !ts.isExternalModule(node.parent.parent.parent); + } + return false; } - ts.isTypeNode = isTypeNode; - function isBindingPattern(node) { - if (node) { - var kind = node.kind; - return kind === 169 - || kind === 168; + ts.isExternalModuleAugmentation = isExternalModuleAugmentation; + function isBlockScope(node, parentNode) { + switch (node.kind) { + case 256: + case 228: + case 252: + case 226: + case 207: + case 208: + case 209: + case 149: + case 148: + case 150: + case 151: + case 221: + case 180: + case 181: + return true; + case 200: + return parentNode && !isFunctionLike(parentNode); } return false; } - ts.isBindingPattern = isBindingPattern; - function isBindingElement(node) { - return node.kind === 170; + ts.isBlockScope = isBlockScope; + function getEnclosingBlockScopeContainer(node) { + var current = node.parent; + while (current) { + if (isBlockScope(current, current.parent)) { + return current; + } + current = current.parent; + } } - ts.isBindingElement = isBindingElement; - function isArrayBindingElement(node) { - var kind = node.kind; - return kind === 170 - || kind === 194; + ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; + function declarationNameToString(name) { + return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); } - ts.isArrayBindingElement = isArrayBindingElement; - function isPropertyAccessExpression(node) { - return node.kind === 173; + ts.declarationNameToString = declarationNameToString; + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); } - ts.isPropertyAccessExpression = isPropertyAccessExpression; - function isElementAccessExpression(node) { - return node.kind === 174; + ts.createDiagnosticForNode = createDiagnosticForNode; + function createDiagnosticForNodeFromMessageChain(node, messageChain) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return { + file: sourceFile, + start: span.start, + length: span.length, + code: messageChain.code, + category: messageChain.category, + messageText: messageChain.next ? messageChain : messageChain.messageText + }; } - ts.isElementAccessExpression = isElementAccessExpression; - function isBinaryExpression(node) { - return node.kind === 188; + ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; + function getSpanOfTokenAtPosition(sourceFile, pos) { + var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); + scanner.scan(); + var start = scanner.getTokenPos(); + return ts.createTextSpanFromBounds(start, scanner.getTextPos()); } - ts.isBinaryExpression = isBinaryExpression; - function isConditionalExpression(node) { - return node.kind === 189; + ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; + function getErrorSpanForArrowFunction(sourceFile, node) { + var pos = ts.skipTrivia(sourceFile.text, node.pos); + if (node.body && node.body.kind === 200) { + var startLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.end).line; + if (startLine < endLine) { + return ts.createTextSpan(pos, getEndLinePosition(startLine, sourceFile) - pos + 1); + } + } + return ts.createTextSpanFromBounds(pos, node.end); } - ts.isConditionalExpression = isConditionalExpression; - function isCallExpression(node) { - return node.kind === 175; + function getErrorSpanForNode(sourceFile, node) { + var errorNode = node; + switch (node.kind) { + case 256: + var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); + if (pos_1 === sourceFile.text.length) { + return ts.createTextSpan(0, 0); + } + return getSpanOfTokenAtPosition(sourceFile, pos_1); + case 219: + case 170: + case 222: + case 193: + case 223: + case 226: + case 225: + case 255: + case 221: + case 180: + case 148: + case 150: + case 151: + case 224: + errorNode = node.name; + break; + case 181: + return getErrorSpanForArrowFunction(sourceFile, node); + } + if (errorNode === undefined) { + return getSpanOfTokenAtPosition(sourceFile, node.pos); + } + var pos = nodeIsMissing(errorNode) + ? errorNode.pos + : ts.skipTrivia(sourceFile.text, errorNode.pos); + return ts.createTextSpanFromBounds(pos, errorNode.end); } - ts.isCallExpression = isCallExpression; - function isTemplateLiteral(node) { - var kind = node.kind; - return kind === 190 - || kind === 12; + ts.getErrorSpanForNode = getErrorSpanForNode; + function isExternalOrCommonJsModule(file) { + return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; } - ts.isTemplateLiteral = isTemplateLiteral; - function isSpreadElementExpression(node) { - return node.kind === 192; + ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; + function isDeclarationFile(file) { + return file.isDeclarationFile; } - ts.isSpreadElementExpression = isSpreadElementExpression; - function isExpressionWithTypeArguments(node) { - return node.kind === 195; + ts.isDeclarationFile = isDeclarationFile; + function isConstEnumDeclaration(node) { + return node.kind === 225 && isConst(node); } - ts.isExpressionWithTypeArguments = isExpressionWithTypeArguments; - function isLeftHandSideExpressionKind(kind) { - return kind === 173 - || kind === 174 - || kind === 176 - || kind === 175 - || kind === 242 - || kind === 243 - || kind === 177 - || kind === 171 - || kind === 179 - || kind === 172 - || kind === 193 - || kind === 180 - || kind === 70 - || kind === 11 - || kind === 8 - || kind === 9 - || kind === 12 - || kind === 190 - || kind === 85 - || kind === 94 - || kind === 98 - || kind === 100 - || kind === 96 - || kind === 197; + ts.isConstEnumDeclaration = isConstEnumDeclaration; + function isConst(node) { + return !!(ts.getCombinedNodeFlags(node) & 2) + || !!(ts.getCombinedModifierFlags(node) & 2048); } - function isLeftHandSideExpression(node) { - return isLeftHandSideExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); + ts.isConst = isConst; + function isLet(node) { + return !!(ts.getCombinedNodeFlags(node) & 1); } - ts.isLeftHandSideExpression = isLeftHandSideExpression; - function isUnaryExpressionKind(kind) { - return kind === 186 - || kind === 187 - || kind === 182 - || kind === 183 - || kind === 184 - || kind === 185 - || kind === 178 - || isLeftHandSideExpressionKind(kind); + ts.isLet = isLet; + function isSuperCall(n) { + return n.kind === 175 && n.expression.kind === 96; } - function isUnaryExpression(node) { - return isUnaryExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); + ts.isSuperCall = isSuperCall; + function isPrologueDirective(node) { + return node.kind === 203 && node.expression.kind === 9; } - ts.isUnaryExpression = isUnaryExpression; - function isExpressionKind(kind) { - return kind === 189 - || kind === 191 - || kind === 181 - || kind === 188 - || kind === 192 - || kind === 196 - || kind === 194 - || isUnaryExpressionKind(kind); + ts.isPrologueDirective = isPrologueDirective; + function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { + return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); } - function isExpression(node) { - return isExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); + ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; + function getLeadingCommentRangesOfNodeFromText(node, text) { + return ts.getLeadingCommentRanges(text, node.pos); } - ts.isExpression = isExpression; - function isAssertionExpression(node) { - var kind = node.kind; - return kind === 178 - || kind === 196; + ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; + function getJsDocComments(node, sourceFileOfNode) { + return getJsDocCommentsFromText(node, sourceFileOfNode.text); } - ts.isAssertionExpression = isAssertionExpression; - function isPartiallyEmittedExpression(node) { - return node.kind === 288; + ts.getJsDocComments = getJsDocComments; + function getJsDocCommentsFromText(node, text) { + var commentRanges = (node.kind === 143 || + node.kind === 142 || + node.kind === 180 || + node.kind === 181) ? + ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : + getLeadingCommentRangesOfNodeFromText(node, text); + return ts.filter(commentRanges, isJsDocComment); + function isJsDocComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 42 && + text.charCodeAt(comment.pos + 3) !== 47; + } } - ts.isPartiallyEmittedExpression = isPartiallyEmittedExpression; - function isNotEmittedStatement(node) { - return node.kind === 287; + ts.getJsDocCommentsFromText = getJsDocCommentsFromText; + ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; + function isPartOfTypeNode(node) { + if (155 <= node.kind && node.kind <= 167) { + return true; + } + switch (node.kind) { + case 118: + case 131: + case 133: + case 121: + case 134: + case 136: + case 128: + return true; + case 104: + return node.parent.kind !== 184; + case 195: + return !isExpressionWithTypeArgumentsInClassExtendsClause(node); + case 70: + if (node.parent.kind === 140 && node.parent.right === node) { + node = node.parent; + } + else if (node.parent.kind === 173 && node.parent.name === node) { + node = node.parent; + } + ts.Debug.assert(node.kind === 70 || node.kind === 140 || node.kind === 173, "'node' was expected to be a qualified name, identifier or property access in 'isPartOfTypeNode'."); + case 140: + case 173: + case 98: + var parent_2 = node.parent; + if (parent_2.kind === 159) { + return false; + } + if (155 <= parent_2.kind && parent_2.kind <= 167) { + return true; + } + switch (parent_2.kind) { + case 195: + return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); + case 142: + return node === parent_2.constraint; + case 146: + case 145: + case 143: + case 219: + return node === parent_2.type; + case 221: + case 180: + case 181: + case 149: + case 148: + case 147: + case 150: + case 151: + return node === parent_2.type; + case 152: + case 153: + case 154: + return node === parent_2.type; + case 178: + return node === parent_2.type; + case 175: + case 176: + return parent_2.typeArguments && ts.indexOf(parent_2.typeArguments, node) >= 0; + case 177: + return false; + } + } + return false; } - ts.isNotEmittedStatement = isNotEmittedStatement; - function isNotEmittedOrPartiallyEmittedNode(node) { - return isNotEmittedStatement(node) - || isPartiallyEmittedExpression(node); + ts.isPartOfTypeNode = isPartOfTypeNode; + function forEachReturnStatement(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 212: + return visitor(node); + case 228: + case 200: + case 204: + case 205: + case 206: + case 207: + case 208: + case 209: + case 213: + case 214: + case 249: + case 250: + case 215: + case 217: + case 252: + return ts.forEachChild(node, traverse); + } + } } - ts.isNotEmittedOrPartiallyEmittedNode = isNotEmittedOrPartiallyEmittedNode; - function isOmittedExpression(node) { - return node.kind === 194; + ts.forEachReturnStatement = forEachReturnStatement; + function forEachYieldExpression(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 191: + visitor(node); + var operand = node.expression; + if (operand) { + traverse(operand); + } + case 225: + case 223: + case 226: + case 224: + case 222: + case 193: + return; + default: + if (isFunctionLike(node)) { + var name_8 = node.name; + if (name_8 && name_8.kind === 141) { + traverse(name_8.expression); + return; + } + } + else if (!isPartOfTypeNode(node)) { + ts.forEachChild(node, traverse); + } + } + } } - ts.isOmittedExpression = isOmittedExpression; - function isTemplateSpan(node) { - return node.kind === 198; + ts.forEachYieldExpression = forEachYieldExpression; + function isVariableLike(node) { + if (node) { + switch (node.kind) { + case 170: + case 255: + case 143: + case 253: + case 146: + case 145: + case 254: + case 219: + return true; + } + } + return false; } - ts.isTemplateSpan = isTemplateSpan; - function isBlock(node) { - return node.kind === 200; + ts.isVariableLike = isVariableLike; + function isAccessor(node) { + return node && (node.kind === 150 || node.kind === 151); } - ts.isBlock = isBlock; - function isConciseBody(node) { - return isBlock(node) - || isExpression(node); + ts.isAccessor = isAccessor; + function isClassLike(node) { + return node && (node.kind === 222 || node.kind === 193); } - ts.isConciseBody = isConciseBody; - function isFunctionBody(node) { - return isBlock(node); + ts.isClassLike = isClassLike; + function isFunctionLike(node) { + return node && isFunctionLikeKind(node.kind); } - ts.isFunctionBody = isFunctionBody; - function isForInitializer(node) { - return isVariableDeclarationList(node) - || isExpression(node); + ts.isFunctionLike = isFunctionLike; + function isFunctionLikeKind(kind) { + switch (kind) { + case 149: + case 180: + case 221: + case 181: + case 148: + case 147: + case 150: + case 151: + case 152: + case 153: + case 154: + case 157: + case 158: + return true; + } + return false; } - ts.isForInitializer = isForInitializer; - function isVariableDeclaration(node) { - return node.kind === 219; - } - ts.isVariableDeclaration = isVariableDeclaration; - function isVariableDeclarationList(node) { - return node.kind === 220; - } - ts.isVariableDeclarationList = isVariableDeclarationList; - function isCaseBlock(node) { - return node.kind === 228; - } - ts.isCaseBlock = isCaseBlock; - function isModuleBody(node) { - var kind = node.kind; - return kind === 227 - || kind === 226; - } - ts.isModuleBody = isModuleBody; - function isImportEqualsDeclaration(node) { - return node.kind === 230; - } - ts.isImportEqualsDeclaration = isImportEqualsDeclaration; - function isImportClause(node) { - return node.kind === 232; - } - ts.isImportClause = isImportClause; - function isNamedImportBindings(node) { - var kind = node.kind; - return kind === 234 - || kind === 233; - } - ts.isNamedImportBindings = isNamedImportBindings; - function isImportSpecifier(node) { - return node.kind === 235; - } - ts.isImportSpecifier = isImportSpecifier; - function isNamedExports(node) { - return node.kind === 238; - } - ts.isNamedExports = isNamedExports; - function isExportSpecifier(node) { - return node.kind === 239; - } - ts.isExportSpecifier = isExportSpecifier; - function isModuleOrEnumDeclaration(node) { - return node.kind === 226 || node.kind === 225; - } - ts.isModuleOrEnumDeclaration = isModuleOrEnumDeclaration; - function isDeclarationKind(kind) { - return kind === 181 - || kind === 170 - || kind === 222 - || kind === 193 - || kind === 149 - || kind === 225 - || kind === 255 - || kind === 239 - || kind === 221 - || kind === 180 - || kind === 150 - || kind === 232 - || kind === 230 - || kind === 235 - || kind === 223 - || kind === 148 - || kind === 147 - || kind === 226 - || kind === 229 - || kind === 233 - || kind === 143 - || kind === 253 - || kind === 146 - || kind === 145 - || kind === 151 - || kind === 254 - || kind === 224 - || kind === 142 - || kind === 219 - || kind === 279; - } - function isDeclarationStatementKind(kind) { - return kind === 221 - || kind === 240 - || kind === 222 - || kind === 223 - || kind === 224 - || kind === 225 - || kind === 226 - || kind === 231 - || kind === 230 - || kind === 237 - || kind === 236 - || kind === 229; - } - function isStatementKindButNotDeclarationKind(kind) { - return kind === 211 - || kind === 210 - || kind === 218 - || kind === 205 - || kind === 203 - || kind === 202 - || kind === 208 - || kind === 209 - || kind === 207 - || kind === 204 - || kind === 215 - || kind === 212 - || kind === 214 - || kind === 216 - || kind === 217 - || kind === 201 - || kind === 206 - || kind === 213 - || kind === 287; - } - function isDeclaration(node) { - return isDeclarationKind(node.kind); - } - ts.isDeclaration = isDeclaration; - function isDeclarationStatement(node) { - return isDeclarationStatementKind(node.kind); + ts.isFunctionLikeKind = isFunctionLikeKind; + function introducesArgumentsExoticObject(node) { + switch (node.kind) { + case 148: + case 147: + case 149: + case 150: + case 151: + case 221: + case 180: + return true; + } + return false; } - ts.isDeclarationStatement = isDeclarationStatement; - function isStatementButNotDeclaration(node) { - return isStatementKindButNotDeclarationKind(node.kind); + ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; + function isIterationStatement(node, lookInLabeledStatements) { + switch (node.kind) { + case 207: + case 208: + case 209: + case 205: + case 206: + return true; + case 215: + return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); + } + return false; } - ts.isStatementButNotDeclaration = isStatementButNotDeclaration; - function isStatement(node) { - var kind = node.kind; - return isStatementKindButNotDeclarationKind(kind) - || isDeclarationStatementKind(kind) - || kind === 200; + ts.isIterationStatement = isIterationStatement; + function isFunctionBlock(node) { + return node && node.kind === 200 && isFunctionLike(node.parent); } - ts.isStatement = isStatement; - function isModuleReference(node) { - var kind = node.kind; - return kind === 241 - || kind === 140 - || kind === 70; + ts.isFunctionBlock = isFunctionBlock; + function isObjectLiteralMethod(node) { + return node && node.kind === 148 && node.parent.kind === 172; } - ts.isModuleReference = isModuleReference; - function isJsxOpeningElement(node) { - return node.kind === 244; + ts.isObjectLiteralMethod = isObjectLiteralMethod; + function isObjectLiteralOrClassExpressionMethod(node) { + return node.kind === 148 && + (node.parent.kind === 172 || + node.parent.kind === 193); } - ts.isJsxOpeningElement = isJsxOpeningElement; - function isJsxClosingElement(node) { - return node.kind === 245; + ts.isObjectLiteralOrClassExpressionMethod = isObjectLiteralOrClassExpressionMethod; + function isIdentifierTypePredicate(predicate) { + return predicate && predicate.kind === 1; } - ts.isJsxClosingElement = isJsxClosingElement; - function isJsxTagNameExpression(node) { - var kind = node.kind; - return kind === 98 - || kind === 70 - || kind === 173; + ts.isIdentifierTypePredicate = isIdentifierTypePredicate; + function isThisTypePredicate(predicate) { + return predicate && predicate.kind === 0; } - ts.isJsxTagNameExpression = isJsxTagNameExpression; - function isJsxChild(node) { - var kind = node.kind; - return kind === 242 - || kind === 248 - || kind === 243 - || kind === 10; + ts.isThisTypePredicate = isThisTypePredicate; + function getContainingFunction(node) { + while (true) { + node = node.parent; + if (!node || isFunctionLike(node)) { + return node; + } + } } - ts.isJsxChild = isJsxChild; - function isJsxAttributeLike(node) { - var kind = node.kind; - return kind === 246 - || kind === 247; + ts.getContainingFunction = getContainingFunction; + function getContainingClass(node) { + while (true) { + node = node.parent; + if (!node || isClassLike(node)) { + return node; + } + } } - ts.isJsxAttributeLike = isJsxAttributeLike; - function isJsxSpreadAttribute(node) { - return node.kind === 247; + ts.getContainingClass = getContainingClass; + function getThisContainer(node, includeArrowFunctions) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 141: + if (isClassLike(node.parent.parent)) { + return node; + } + node = node.parent; + break; + case 144: + if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + case 181: + if (!includeArrowFunctions) { + continue; + } + case 221: + case 180: + case 226: + case 146: + case 145: + case 148: + case 147: + case 149: + case 150: + case 151: + case 152: + case 153: + case 154: + case 225: + case 256: + return node; + } + } } - ts.isJsxSpreadAttribute = isJsxSpreadAttribute; - function isJsxAttribute(node) { - return node.kind === 246; + ts.getThisContainer = getThisContainer; + function getSuperContainer(node, stopOnFunctions) { + while (true) { + node = node.parent; + if (!node) { + return node; + } + switch (node.kind) { + case 141: + node = node.parent; + break; + case 221: + case 180: + case 181: + if (!stopOnFunctions) { + continue; + } + case 146: + case 145: + case 148: + case 147: + case 149: + case 150: + case 151: + return node; + case 144: + if (node.parent.kind === 143 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + } + } } - ts.isJsxAttribute = isJsxAttribute; - function isStringLiteralOrJsxExpression(node) { - var kind = node.kind; - return kind === 9 - || kind === 248; + ts.getSuperContainer = getSuperContainer; + function getImmediatelyInvokedFunctionExpression(func) { + if (func.kind === 180 || func.kind === 181) { + var prev = func; + var parent_3 = func.parent; + while (parent_3.kind === 179) { + prev = parent_3; + parent_3 = parent_3.parent; + } + if (parent_3.kind === 175 && parent_3.expression === prev) { + return parent_3; + } + } } - ts.isStringLiteralOrJsxExpression = isStringLiteralOrJsxExpression; - function isCaseOrDefaultClause(node) { + ts.getImmediatelyInvokedFunctionExpression = getImmediatelyInvokedFunctionExpression; + function isSuperProperty(node) { var kind = node.kind; - return kind === 249 - || kind === 250; - } - ts.isCaseOrDefaultClause = isCaseOrDefaultClause; - function isHeritageClause(node) { - return node.kind === 251; - } - ts.isHeritageClause = isHeritageClause; - function isCatchClause(node) { - return node.kind === 252; - } - ts.isCatchClause = isCatchClause; - function isPropertyAssignment(node) { - return node.kind === 253; - } - ts.isPropertyAssignment = isPropertyAssignment; - function isShorthandPropertyAssignment(node) { - return node.kind === 254; - } - ts.isShorthandPropertyAssignment = isShorthandPropertyAssignment; - function isEnumMember(node) { - return node.kind === 255; - } - ts.isEnumMember = isEnumMember; - function isSourceFile(node) { - return node.kind === 256; + return (kind === 173 || kind === 174) + && node.expression.kind === 96; } - ts.isSourceFile = isSourceFile; - function isWatchSet(options) { - return options.watch && options.hasOwnProperty("watch"); + ts.isSuperProperty = isSuperProperty; + function getEntityNameFromTypeNode(node) { + if (node) { + switch (node.kind) { + case 156: + return node.typeName; + case 195: + ts.Debug.assert(isEntityNameExpression(node.expression)); + return node.expression; + case 70: + case 140: + return node; + } + } + return undefined; } - ts.isWatchSet = isWatchSet; -})(ts || (ts = {})); -(function (ts) { - function getDefaultLibFileName(options) { - switch (options.target) { - case 4: - return "lib.es2017.d.ts"; - case 3: - return "lib.es2016.d.ts"; - case 2: - return "lib.es6.d.ts"; + ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; + function isCallLikeExpression(node) { + switch (node.kind) { + case 175: + case 176: + case 177: + case 144: + return true; default: - return "lib.d.ts"; + return false; } } - ts.getDefaultLibFileName = getDefaultLibFileName; - function textSpanEnd(span) { - return span.start + span.length; - } - ts.textSpanEnd = textSpanEnd; - function textSpanIsEmpty(span) { - return span.length === 0; - } - ts.textSpanIsEmpty = textSpanIsEmpty; - function textSpanContainsPosition(span, position) { - return position >= span.start && position < textSpanEnd(span); - } - ts.textSpanContainsPosition = textSpanContainsPosition; - function textSpanContainsTextSpan(span, other) { - return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); - } - ts.textSpanContainsTextSpan = textSpanContainsTextSpan; - function textSpanOverlapsWith(span, other) { - var overlapStart = Math.max(span.start, other.start); - var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); - return overlapStart < overlapEnd; - } - ts.textSpanOverlapsWith = textSpanOverlapsWith; - function textSpanOverlap(span1, span2) { - var overlapStart = Math.max(span1.start, span2.start); - var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (overlapStart < overlapEnd) { - return createTextSpanFromBounds(overlapStart, overlapEnd); + ts.isCallLikeExpression = isCallLikeExpression; + function getInvokedExpression(node) { + if (node.kind === 177) { + return node.tag; } - return undefined; - } - ts.textSpanOverlap = textSpanOverlap; - function textSpanIntersectsWithTextSpan(span, other) { - return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; + return node.expression; } - ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; - function textSpanIntersectsWith(span, start, length) { - var end = start + length; - return start <= textSpanEnd(span) && end >= span.start; + ts.getInvokedExpression = getInvokedExpression; + function nodeCanBeDecorated(node) { + switch (node.kind) { + case 222: + return true; + case 146: + return node.parent.kind === 222; + case 150: + case 151: + case 148: + return node.body !== undefined + && node.parent.kind === 222; + case 143: + return node.parent.body !== undefined + && (node.parent.kind === 149 + || node.parent.kind === 148 + || node.parent.kind === 151) + && node.parent.parent.kind === 222; + } + return false; } - ts.textSpanIntersectsWith = textSpanIntersectsWith; - function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { - var end1 = start1 + length1; - var end2 = start2 + length2; - return start2 <= end1 && end2 >= start1; + ts.nodeCanBeDecorated = nodeCanBeDecorated; + function nodeIsDecorated(node) { + return node.decorators !== undefined + && nodeCanBeDecorated(node); } - ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; - function textSpanIntersectsWithPosition(span, position) { - return position <= textSpanEnd(span) && position >= span.start; + ts.nodeIsDecorated = nodeIsDecorated; + function nodeOrChildIsDecorated(node) { + return nodeIsDecorated(node) || childIsDecorated(node); } - ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; - function textSpanIntersection(span1, span2) { - var intersectStart = Math.max(span1.start, span2.start); - var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (intersectStart <= intersectEnd) { - return createTextSpanFromBounds(intersectStart, intersectEnd); + ts.nodeOrChildIsDecorated = nodeOrChildIsDecorated; + function childIsDecorated(node) { + switch (node.kind) { + case 222: + return ts.forEach(node.members, nodeOrChildIsDecorated); + case 148: + case 151: + return ts.forEach(node.parameters, nodeIsDecorated); } - return undefined; } - ts.textSpanIntersection = textSpanIntersection; - function createTextSpan(start, length) { - if (start < 0) { - throw new Error("start < 0"); - } - if (length < 0) { - throw new Error("length < 0"); + ts.childIsDecorated = childIsDecorated; + function isJSXTagName(node) { + var parent = node.parent; + if (parent.kind === 244 || + parent.kind === 243 || + parent.kind === 245) { + return parent.tagName === node; } - return { start: start, length: length }; - } - ts.createTextSpan = createTextSpan; - function createTextSpanFromBounds(start, end) { - return createTextSpan(start, end - start); - } - ts.createTextSpanFromBounds = createTextSpanFromBounds; - function textChangeRangeNewSpan(range) { - return createTextSpan(range.span.start, range.newLength); + return false; } - ts.textChangeRangeNewSpan = textChangeRangeNewSpan; - function textChangeRangeIsUnchanged(range) { - return textSpanIsEmpty(range.span) && range.newLength === 0; + ts.isJSXTagName = isJSXTagName; + function isPartOfExpression(node) { + switch (node.kind) { + case 98: + case 96: + case 94: + case 100: + case 85: + case 11: + case 171: + case 172: + case 173: + case 174: + case 175: + case 176: + case 177: + case 196: + case 178: + case 197: + case 179: + case 180: + case 193: + case 181: + case 184: + case 182: + case 183: + case 186: + case 187: + case 188: + case 189: + case 192: + case 190: + case 12: + case 194: + case 242: + case 243: + case 191: + case 185: + return true; + case 140: + while (node.parent.kind === 140) { + node = node.parent; + } + return node.parent.kind === 159 || isJSXTagName(node); + case 70: + if (node.parent.kind === 159 || isJSXTagName(node)) { + return true; + } + case 8: + case 9: + case 98: + var parent_4 = node.parent; + switch (parent_4.kind) { + case 219: + case 143: + case 146: + case 145: + case 255: + case 253: + case 170: + return parent_4.initializer === node; + case 203: + case 204: + case 205: + case 206: + case 212: + case 213: + case 214: + case 249: + case 216: + case 214: + return parent_4.expression === node; + case 207: + var forStatement = parent_4; + return (forStatement.initializer === node && forStatement.initializer.kind !== 220) || + forStatement.condition === node || + forStatement.incrementor === node; + case 208: + case 209: + var forInStatement = parent_4; + return (forInStatement.initializer === node && forInStatement.initializer.kind !== 220) || + forInStatement.expression === node; + case 178: + case 196: + return node === parent_4.expression; + case 198: + return node === parent_4.expression; + case 141: + return node === parent_4.expression; + case 144: + case 248: + case 247: + return true; + case 195: + return parent_4.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_4); + default: + if (isPartOfExpression(parent_4)) { + return true; + } + } + } + return false; } - ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; - function createTextChangeRange(span, newLength) { - if (newLength < 0) { - throw new Error("newLength < 0"); + ts.isPartOfExpression = isPartOfExpression; + function isInstantiatedModule(node, preserveConstEnums) { + var moduleState = ts.getModuleInstanceState(node); + return moduleState === 1 || + (preserveConstEnums && moduleState === 2); + } + ts.isInstantiatedModule = isInstantiatedModule; + function isExternalModuleImportEqualsDeclaration(node) { + return node.kind === 230 && node.moduleReference.kind === 241; + } + ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; + function getExternalModuleImportEqualsDeclarationExpression(node) { + ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); + return node.moduleReference.expression; + } + ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; + function isInternalModuleImportEqualsDeclaration(node) { + return node.kind === 230 && node.moduleReference.kind !== 241; + } + ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; + function isSourceFileJavaScript(file) { + return isInJavaScriptFile(file); + } + ts.isSourceFileJavaScript = isSourceFileJavaScript; + function isInJavaScriptFile(node) { + return node && !!(node.flags & 1048576); + } + ts.isInJavaScriptFile = isInJavaScriptFile; + function isRequireCall(expression, checkArgumentIsStringLiteral) { + var isRequire = expression.kind === 175 && + expression.expression.kind === 70 && + expression.expression.text === "require" && + expression.arguments.length === 1; + return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); + } + ts.isRequireCall = isRequireCall; + function isSingleOrDoubleQuote(charCode) { + return charCode === 39 || charCode === 34; + } + ts.isSingleOrDoubleQuote = isSingleOrDoubleQuote; + function isDeclarationOfFunctionExpression(s) { + if (s.valueDeclaration && s.valueDeclaration.kind === 219) { + var declaration = s.valueDeclaration; + return declaration.initializer && declaration.initializer.kind === 180; } - return { span: span, newLength: newLength }; + return false; } - ts.createTextChangeRange = createTextChangeRange; - ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); - function collapseTextChangeRangesAcrossMultipleVersions(changes) { - if (changes.length === 0) { - return ts.unchangedTextChangeRange; + ts.isDeclarationOfFunctionExpression = isDeclarationOfFunctionExpression; + function getSpecialPropertyAssignmentKind(expression) { + if (!isInJavaScriptFile(expression)) { + return 0; } - if (changes.length === 1) { - return changes[0]; + if (expression.kind !== 188) { + return 0; } - var change0 = changes[0]; - var oldStartN = change0.span.start; - var oldEndN = textSpanEnd(change0.span); - var newEndN = oldStartN + change0.newLength; - for (var i = 1; i < changes.length; i++) { - var nextChange = changes[i]; - var oldStart1 = oldStartN; - var oldEnd1 = oldEndN; - var newEnd1 = newEndN; - var oldStart2 = nextChange.span.start; - var oldEnd2 = textSpanEnd(nextChange.span); - var newEnd2 = oldStart2 + nextChange.newLength; - oldStartN = Math.min(oldStart1, oldStart2); - oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); - newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); + var expr = expression; + if (expr.operatorToken.kind !== 57 || expr.left.kind !== 173) { + return 0; } - return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); - } - ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; - function getTypeParameterOwner(d) { - if (d && d.kind === 142) { - for (var current = d; current; current = current.parent) { - if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 223) { - return current; + var lhs = expr.left; + if (lhs.expression.kind === 70) { + var lhsId = lhs.expression; + if (lhsId.text === "exports") { + return 1; + } + else if (lhsId.text === "module" && lhs.name.text === "exports") { + return 2; + } + } + else if (lhs.expression.kind === 98) { + return 4; + } + else if (lhs.expression.kind === 173) { + var innerPropertyAccess = lhs.expression; + if (innerPropertyAccess.expression.kind === 70) { + var innerPropertyAccessIdentifier = innerPropertyAccess.expression; + if (innerPropertyAccessIdentifier.text === "module" && innerPropertyAccess.name.text === "exports") { + return 1; + } + if (innerPropertyAccess.name.text === "prototype") { + return 3; } } } + return 0; } - ts.getTypeParameterOwner = getTypeParameterOwner; - function isParameterPropertyDeclaration(node) { - return ts.hasModifier(node, 92) && node.parent.kind === 149 && ts.isClassLike(node.parent.parent); - } - ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; - function walkUpBindingElementsAndPatterns(node) { - while (node && (node.kind === 170 || ts.isBindingPattern(node))) { - node = node.parent; + ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; + function getExternalModuleName(node) { + if (node.kind === 231) { + return node.moduleSpecifier; } - return node; - } - function getCombinedModifierFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = ts.getModifierFlags(node); - if (node.kind === 219) { - node = node.parent; + if (node.kind === 230) { + var reference = node.moduleReference; + if (reference.kind === 241) { + return reference.expression; + } } - if (node && node.kind === 220) { - flags |= ts.getModifierFlags(node); - node = node.parent; + if (node.kind === 237) { + return node.moduleSpecifier; } - if (node && node.kind === 201) { - flags |= ts.getModifierFlags(node); + if (node.kind === 226 && node.name.kind === 9) { + return node.name; } - return flags; } - ts.getCombinedModifierFlags = getCombinedModifierFlags; - function getCombinedNodeFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = node.flags; - if (node.kind === 219) { - node = node.parent; - } - if (node && node.kind === 220) { - flags |= node.flags; - node = node.parent; + ts.getExternalModuleName = getExternalModuleName; + function getNamespaceDeclarationNode(node) { + if (node.kind === 230) { + return node; } - if (node && node.kind === 201) { - flags |= node.flags; + var importClause = node.importClause; + if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 233) { + return importClause.namedBindings; } - return flags; } - ts.getCombinedNodeFlags = getCombinedNodeFlags; -})(ts || (ts = {})); -var ts; -(function (ts) { - function tokenIsIdentifierOrKeyword(token) { - return token >= 70; + ts.getNamespaceDeclarationNode = getNamespaceDeclarationNode; + function isDefaultImport(node) { + return node.kind === 231 + && node.importClause + && !!node.importClause.name; } - ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; - var textToToken = ts.createMap({ - "abstract": 116, - "any": 118, - "as": 117, - "boolean": 121, - "break": 71, - "case": 72, - "catch": 73, - "class": 74, - "continue": 76, - "const": 75, - "constructor": 122, - "debugger": 77, - "declare": 123, - "default": 78, - "delete": 79, - "do": 80, - "else": 81, - "enum": 82, - "export": 83, - "extends": 84, - "false": 85, - "finally": 86, - "for": 87, - "from": 137, - "function": 88, - "get": 124, - "if": 89, - "implements": 107, - "import": 90, - "in": 91, - "instanceof": 92, - "interface": 108, - "is": 125, - "let": 109, - "module": 126, - "namespace": 127, - "never": 128, - "new": 93, - "null": 94, - "number": 131, - "package": 110, - "private": 111, - "protected": 112, - "public": 113, - "readonly": 129, - "require": 130, - "global": 138, - "return": 95, - "set": 132, - "static": 114, - "string": 133, - "super": 96, - "switch": 97, - "symbol": 134, - "this": 98, - "throw": 99, - "true": 100, - "try": 101, - "type": 135, - "typeof": 102, - "undefined": 136, - "var": 103, - "void": 104, - "while": 105, - "with": 106, - "yield": 115, - "async": 119, - "await": 120, - "of": 139, - "{": 16, - "}": 17, - "(": 18, - ")": 19, - "[": 20, - "]": 21, - ".": 22, - "...": 23, - ";": 24, - ",": 25, - "<": 26, - ">": 28, - "<=": 29, - ">=": 30, - "==": 31, - "!=": 32, - "===": 33, - "!==": 34, - "=>": 35, - "+": 36, - "-": 37, - "**": 39, - "*": 38, - "/": 40, - "%": 41, - "++": 42, - "--": 43, - "<<": 44, - ">": 45, - ">>>": 46, - "&": 47, - "|": 48, - "^": 49, - "!": 50, - "~": 51, - "&&": 52, - "||": 53, - "?": 54, - ":": 55, - "=": 57, - "+=": 58, - "-=": 59, - "*=": 60, - "**=": 61, - "/=": 62, - "%=": 63, - "<<=": 64, - ">>=": 65, - ">>>=": 66, - "&=": 67, - "|=": 68, - "^=": 69, - "@": 56, - }); - var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 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12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - function lookupInUnicodeMap(code, map) { - if (code < map[0]) { - return false; - } - var lo = 0; - var hi = map.length; - var mid; - while (lo + 1 < hi) { - mid = lo + (hi - lo) / 2; - mid -= mid % 2; - if (map[mid] <= code && code <= map[mid + 1]) { - return true; - } - if (code < map[mid]) { - hi = mid; - } - else { - lo = mid + 2; + ts.isDefaultImport = isDefaultImport; + function hasQuestionToken(node) { + if (node) { + switch (node.kind) { + case 143: + case 148: + case 147: + case 254: + case 253: + case 146: + case 145: + return node.questionToken !== undefined; } } return false; } - function isUnicodeIdentifierStart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierStart) : - lookupInUnicodeMap(code, unicodeES3IdentifierStart); + ts.hasQuestionToken = hasQuestionToken; + function isJSDocConstructSignature(node) { + return node.kind === 269 && + node.parameters.length > 0 && + node.parameters[0].type.kind === 271; } - ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; - function isUnicodeIdentifierPart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierPart) : - lookupInUnicodeMap(code, unicodeES3IdentifierPart); + ts.isJSDocConstructSignature = isJSDocConstructSignature; + function getJSDocTag(node, kind, checkParentVariableStatement) { + if (!node) { + return undefined; + } + var jsDocTags = getJSDocTags(node, checkParentVariableStatement); + if (!jsDocTags) { + return undefined; + } + for (var _i = 0, jsDocTags_1 = jsDocTags; _i < jsDocTags_1.length; _i++) { + var tag = jsDocTags_1[_i]; + if (tag.kind === kind) { + return tag; + } + } } - function makeReverseMap(source) { - var result = []; - for (var name_8 in source) { - result[source[name_8]] = name_8; + function append(previous, additional) { + if (additional) { + if (!previous) { + previous = []; + } + for (var _i = 0, additional_1 = additional; _i < additional_1.length; _i++) { + var x = additional_1[_i]; + previous.push(x); + } } - return result; + return previous; } - var tokenStrings = makeReverseMap(textToToken); - function tokenToString(t) { - return tokenStrings[t]; + function getJSDocComments(node, checkParentVariableStatement) { + return getJSDocs(node, checkParentVariableStatement, function (docs) { return ts.map(docs, function (doc) { return doc.comment; }); }, function (tags) { return ts.map(tags, function (tag) { return tag.comment; }); }); } - ts.tokenToString = tokenToString; - function stringToToken(s) { - return textToToken[s]; + ts.getJSDocComments = getJSDocComments; + function getJSDocTags(node, checkParentVariableStatement) { + return getJSDocs(node, checkParentVariableStatement, function (docs) { + var result = []; + for (var _i = 0, docs_1 = docs; _i < docs_1.length; _i++) { + var doc = docs_1[_i]; + if (doc.tags) { + result.push.apply(result, doc.tags); + } + } + return result; + }, function (tags) { return tags; }); } - ts.stringToToken = stringToToken; - function computeLineStarts(text) { - var result = new Array(); - var pos = 0; - var lineStart = 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 13: - if (text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - result.push(lineStart); - lineStart = pos; - break; - default: - if (ch > 127 && isLineBreak(ch)) { - result.push(lineStart); - lineStart = pos; - } - break; + function getJSDocs(node, checkParentVariableStatement, getDocs, getTags) { + var result = undefined; + if (checkParentVariableStatement) { + var isInitializerOfVariableDeclarationInStatement = isVariableLike(node.parent) && + (node.parent).initializer === node && + node.parent.parent.parent.kind === 201; + var isVariableOfVariableDeclarationStatement = isVariableLike(node) && + node.parent.parent.kind === 201; + var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : + isVariableOfVariableDeclarationStatement ? node.parent.parent : + undefined; + if (variableStatementNode) { + result = append(result, getJSDocs(variableStatementNode, checkParentVariableStatement, getDocs, getTags)); + } + if (node.kind === 226 && + node.parent && node.parent.kind === 226) { + result = append(result, getJSDocs(node.parent, checkParentVariableStatement, getDocs, getTags)); + } + var parent_5 = node.parent; + var isSourceOfAssignmentExpressionStatement = parent_5 && parent_5.parent && + parent_5.kind === 188 && + parent_5.operatorToken.kind === 57 && + parent_5.parent.kind === 203; + if (isSourceOfAssignmentExpressionStatement) { + result = append(result, getJSDocs(parent_5.parent, checkParentVariableStatement, getDocs, getTags)); + } + var isPropertyAssignmentExpression = parent_5 && parent_5.kind === 253; + if (isPropertyAssignmentExpression) { + result = append(result, getJSDocs(parent_5, checkParentVariableStatement, getDocs, getTags)); + } + if (node.kind === 143) { + var paramTags = getJSDocParameterTag(node, checkParentVariableStatement); + if (paramTags) { + result = append(result, getTags(paramTags)); + } + } + } + if (isVariableLike(node) && node.initializer) { + result = append(result, getJSDocs(node.initializer, false, getDocs, getTags)); + } + if (node.jsDocComments) { + if (result) { + result = append(result, getDocs(node.jsDocComments)); + } + else { + return getDocs(node.jsDocComments); } } - result.push(lineStart); return result; } - ts.computeLineStarts = computeLineStarts; - function getPositionOfLineAndCharacter(sourceFile, line, character) { - return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); - } - ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; - function computePositionOfLineAndCharacter(lineStarts, line, character) { - ts.Debug.assert(line >= 0 && line < lineStarts.length); - return lineStarts[line] + character; - } - ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; - function getLineStarts(sourceFile) { - return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); - } - ts.getLineStarts = getLineStarts; - function computeLineAndCharacterOfPosition(lineStarts, position) { - var lineNumber = ts.binarySearch(lineStarts, position); - if (lineNumber < 0) { - lineNumber = ~lineNumber - 1; - ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); + function getJSDocParameterTag(param, checkParentVariableStatement) { + var func = param.parent; + var tags = getJSDocTags(func, checkParentVariableStatement); + if (!param.name) { + var i = func.parameters.indexOf(param); + var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275; }); + if (paramTags && 0 <= i && i < paramTags.length) { + return [paramTags[i]]; + } + } + else if (param.name.kind === 70) { + var name_9 = param.name.text; + var paramTags = ts.filter(tags, function (tag) { return tag.kind === 275 && tag.parameterName.text === name_9; }); + if (paramTags) { + return paramTags; + } + } + else { + return undefined; } - return { - line: lineNumber, - character: position - lineStarts[lineNumber] - }; } - ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; - function getLineAndCharacterOfPosition(sourceFile, position) { - return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + function getJSDocTypeTag(node) { + return getJSDocTag(node, 277, false); } - ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function isWhiteSpace(ch) { - return isWhiteSpaceSingleLine(ch) || isLineBreak(ch); + ts.getJSDocTypeTag = getJSDocTypeTag; + function getJSDocReturnTag(node) { + return getJSDocTag(node, 276, true); } - ts.isWhiteSpace = isWhiteSpace; - function isWhiteSpaceSingleLine(ch) { - return ch === 32 || - ch === 9 || - ch === 11 || - ch === 12 || - ch === 160 || - ch === 133 || - ch === 5760 || - ch >= 8192 && ch <= 8203 || - ch === 8239 || - ch === 8287 || - ch === 12288 || - ch === 65279; + ts.getJSDocReturnTag = getJSDocReturnTag; + function getJSDocTemplateTag(node) { + return getJSDocTag(node, 278, false); } - ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine; - function isLineBreak(ch) { - return ch === 10 || - ch === 13 || - ch === 8232 || - ch === 8233; + ts.getJSDocTemplateTag = getJSDocTemplateTag; + function getCorrespondingJSDocParameterTag(parameter) { + if (parameter.name && parameter.name.kind === 70) { + var parameterName = parameter.name.text; + var jsDocTags = getJSDocTags(parameter.parent, true); + if (!jsDocTags) { + return undefined; + } + for (var _i = 0, jsDocTags_2 = jsDocTags; _i < jsDocTags_2.length; _i++) { + var tag = jsDocTags_2[_i]; + if (tag.kind === 275) { + var parameterTag = tag; + if (parameterTag.parameterName.text === parameterName) { + return parameterTag; + } + } + } + } + return undefined; } - ts.isLineBreak = isLineBreak; - function isDigit(ch) { - return ch >= 48 && ch <= 57; + ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; + function hasRestParameter(s) { + return isRestParameter(ts.lastOrUndefined(s.parameters)); } - function isOctalDigit(ch) { - return ch >= 48 && ch <= 55; + ts.hasRestParameter = hasRestParameter; + function hasDeclaredRestParameter(s) { + return isDeclaredRestParam(ts.lastOrUndefined(s.parameters)); } - ts.isOctalDigit = isOctalDigit; - function couldStartTrivia(text, pos) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - case 10: - case 9: - case 11: - case 12: - case 32: - case 47: - case 60: - case 61: - case 62: + ts.hasDeclaredRestParameter = hasDeclaredRestParameter; + function isRestParameter(node) { + if (node && (node.flags & 1048576)) { + if (node.type && node.type.kind === 270) { return true; - case 35: - return pos === 0; - default: - return ch > 127; + } + var paramTag = getCorrespondingJSDocParameterTag(node); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 270; + } } + return isDeclaredRestParam(node); } - ts.couldStartTrivia = couldStartTrivia; - function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) { - if (stopAtComments === void 0) { stopAtComments = false; } - if (ts.positionIsSynthesized(pos)) { - return pos; + ts.isRestParameter = isRestParameter; + function isDeclaredRestParam(node) { + return node && node.dotDotDotToken !== undefined; + } + ts.isDeclaredRestParam = isDeclaredRestParam; + function isAssignmentTarget(node) { + while (node.parent.kind === 179) { + node = node.parent; } while (true) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (stopAfterLineBreak) { - return pos; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - if (stopAtComments) { - break; - } - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - continue; - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - continue; - } - break; - case 60: - case 61: - case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos); - continue; - } - break; - case 35: - if (pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - continue; - } - break; - default: - if (ch > 127 && (isWhiteSpace(ch))) { - pos++; - continue; - } - break; + var parent_6 = node.parent; + if (parent_6.kind === 171 || parent_6.kind === 192) { + node = parent_6; + continue; } - return pos; + if (parent_6.kind === 253 || parent_6.kind === 254) { + node = parent_6.parent; + continue; + } + return parent_6.kind === 188 && + isAssignmentOperator(parent_6.operatorToken.kind) && + parent_6.left === node || + (parent_6.kind === 208 || parent_6.kind === 209) && + parent_6.initializer === node; } } - ts.skipTrivia = skipTrivia; - var mergeConflictMarkerLength = "<<<<<<<".length; - function isConflictMarkerTrivia(text, pos) { - ts.Debug.assert(pos >= 0); - if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { - var ch = text.charCodeAt(pos); - if ((pos + mergeConflictMarkerLength) < text.length) { - for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { - if (text.charCodeAt(pos + i) !== ch) { - return false; - } - } - return ch === 61 || - text.charCodeAt(pos + mergeConflictMarkerLength) === 32; + ts.isAssignmentTarget = isAssignmentTarget; + function isNodeDescendantOf(node, ancestor) { + while (node) { + if (node === ancestor) + return true; + node = node.parent; + } + return false; + } + ts.isNodeDescendantOf = isNodeDescendantOf; + function isInAmbientContext(node) { + while (node) { + if (hasModifier(node, 2) || (node.kind === 256 && node.isDeclarationFile)) { + return true; } + node = node.parent; } return false; } - function scanConflictMarkerTrivia(text, pos, error) { - if (error) { - error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + ts.isInAmbientContext = isInAmbientContext; + function isDeclarationName(name) { + if (name.kind !== 70 && name.kind !== 9 && name.kind !== 8) { + return false; } - var ch = text.charCodeAt(pos); - var len = text.length; - if (ch === 60 || ch === 62) { - while (pos < len && !isLineBreak(text.charCodeAt(pos))) { - pos++; + var parent = name.parent; + if (parent.kind === 235 || parent.kind === 239) { + if (parent.propertyName) { + return true; } } - else { - ts.Debug.assert(ch === 61); - while (pos < len) { - var ch_1 = text.charCodeAt(pos); - if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { - break; - } - pos++; - } + if (isDeclaration(parent)) { + return parent.name === name; } - return pos; - } - var shebangTriviaRegex = /^#!.*/; - function isShebangTrivia(text, pos) { - ts.Debug.assert(pos === 0); - return shebangTriviaRegex.test(text); + return false; } - function scanShebangTrivia(text, pos) { - var shebang = shebangTriviaRegex.exec(text)[0]; - pos = pos + shebang.length; - return pos; + ts.isDeclarationName = isDeclarationName; + function isLiteralComputedPropertyDeclarationName(node) { + return (node.kind === 9 || node.kind === 8) && + node.parent.kind === 141 && + isDeclaration(node.parent.parent); } - function iterateCommentRanges(reduce, text, pos, trailing, cb, state, initial) { - var pendingPos; - var pendingEnd; - var pendingKind; - var pendingHasTrailingNewLine; - var hasPendingCommentRange = false; - var collecting = trailing || pos === 0; - var accumulator = initial; - scan: while (pos >= 0 && pos < text.length) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (trailing) { - break scan; - } - collecting = true; - if (hasPendingCommentRange) { - pendingHasTrailingNewLine = true; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - var nextChar = text.charCodeAt(pos + 1); - var hasTrailingNewLine = false; - if (nextChar === 47 || nextChar === 42) { - var kind = nextChar === 47 ? 2 : 3; - var startPos = pos; - pos += 2; - if (nextChar === 47) { - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - hasTrailingNewLine = true; - break; - } - pos++; - } - } - else { - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - } - if (collecting) { - if (hasPendingCommentRange) { - accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); - if (!reduce && accumulator) { - return accumulator; - } - hasPendingCommentRange = false; - } - pendingPos = startPos; - pendingEnd = pos; - pendingKind = kind; - pendingHasTrailingNewLine = hasTrailingNewLine; - hasPendingCommentRange = true; - } - continue; - } - break scan; - default: - if (ch > 127 && (isWhiteSpace(ch))) { - if (hasPendingCommentRange && isLineBreak(ch)) { - pendingHasTrailingNewLine = true; - } - pos++; - continue; + ts.isLiteralComputedPropertyDeclarationName = isLiteralComputedPropertyDeclarationName; + function isIdentifierName(node) { + var parent = node.parent; + switch (parent.kind) { + case 146: + case 145: + case 148: + case 147: + case 150: + case 151: + case 255: + case 253: + case 173: + return parent.name === node; + case 140: + if (parent.right === node) { + while (parent.kind === 140) { + parent = parent.parent; } - break scan; - } - } - if (hasPendingCommentRange) { - accumulator = cb(pendingPos, pendingEnd, pendingKind, pendingHasTrailingNewLine, state, accumulator); + return parent.kind === 159; + } + return false; + case 170: + case 235: + return parent.propertyName === node; + case 239: + return true; } - return accumulator; + return false; } - function forEachLeadingCommentRange(text, pos, cb, state) { - return iterateCommentRanges(false, text, pos, false, cb, state); + ts.isIdentifierName = isIdentifierName; + function isAliasSymbolDeclaration(node) { + return node.kind === 230 || + node.kind === 229 || + node.kind === 232 && !!node.name || + node.kind === 233 || + node.kind === 235 || + node.kind === 239 || + node.kind === 236 && exportAssignmentIsAlias(node); } - ts.forEachLeadingCommentRange = forEachLeadingCommentRange; - function forEachTrailingCommentRange(text, pos, cb, state) { - return iterateCommentRanges(false, text, pos, true, cb, state); + ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; + function exportAssignmentIsAlias(node) { + return isEntityNameExpression(node.expression); } - ts.forEachTrailingCommentRange = forEachTrailingCommentRange; - function reduceEachLeadingCommentRange(text, pos, cb, state, initial) { - return iterateCommentRanges(true, text, pos, false, cb, state, initial); + ts.exportAssignmentIsAlias = exportAssignmentIsAlias; + function getClassExtendsHeritageClauseElement(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 84); + return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; } - ts.reduceEachLeadingCommentRange = reduceEachLeadingCommentRange; - function reduceEachTrailingCommentRange(text, pos, cb, state, initial) { - return iterateCommentRanges(true, text, pos, true, cb, state, initial); + ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; + function getClassImplementsHeritageClauseElements(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 107); + return heritageClause ? heritageClause.types : undefined; } - ts.reduceEachTrailingCommentRange = reduceEachTrailingCommentRange; - function appendCommentRange(pos, end, kind, hasTrailingNewLine, _state, comments) { - if (!comments) { - comments = []; - } - comments.push({ pos: pos, end: end, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); - return comments; + ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; + function getInterfaceBaseTypeNodes(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 84); + return heritageClause ? heritageClause.types : undefined; } - function getLeadingCommentRanges(text, pos) { - return reduceEachLeadingCommentRange(text, pos, appendCommentRange, undefined, undefined); - } - ts.getLeadingCommentRanges = getLeadingCommentRanges; - function getTrailingCommentRanges(text, pos) { - return reduceEachTrailingCommentRange(text, pos, appendCommentRange, undefined, undefined); - } - ts.getTrailingCommentRanges = getTrailingCommentRanges; - function getShebang(text) { - return shebangTriviaRegex.test(text) - ? shebangTriviaRegex.exec(text)[0] - : undefined; - } - ts.getShebang = getShebang; - function isIdentifierStart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); - } - ts.isIdentifierStart = isIdentifierStart; - function isIdentifierPart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); - } - ts.isIdentifierPart = isIdentifierPart; - function isIdentifierText(name, languageVersion) { - if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { - return false; - } - for (var i = 1, n = name.length; i < n; i++) { - if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { - return false; + ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; + function getHeritageClause(clauses, kind) { + if (clauses) { + for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { + var clause = clauses_1[_i]; + if (clause.token === kind) { + return clause; + } } } - return true; + return undefined; } - ts.isIdentifierText = isIdentifierText; - function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { - if (languageVariant === void 0) { languageVariant = 0; } - var pos; - var end; - var startPos; - var tokenPos; - var token; - var tokenValue; - var precedingLineBreak; - var hasExtendedUnicodeEscape; - var tokenIsUnterminated; - setText(text, start, length); - return { - getStartPos: function () { return startPos; }, - getTextPos: function () { return pos; }, - getToken: function () { return token; }, - getTokenPos: function () { return tokenPos; }, - getTokenText: function () { return text.substring(tokenPos, pos); }, - getTokenValue: function () { return tokenValue; }, - hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, - hasPrecedingLineBreak: function () { return precedingLineBreak; }, - isIdentifier: function () { return token === 70 || token > 106; }, - isReservedWord: function () { return token >= 71 && token <= 106; }, - isUnterminated: function () { return tokenIsUnterminated; }, - reScanGreaterToken: reScanGreaterToken, - reScanSlashToken: reScanSlashToken, - reScanTemplateToken: reScanTemplateToken, - scanJsxIdentifier: scanJsxIdentifier, - scanJsxAttributeValue: scanJsxAttributeValue, - reScanJsxToken: reScanJsxToken, - scanJsxToken: scanJsxToken, - scanJSDocToken: scanJSDocToken, - scan: scan, - getText: getText, - setText: setText, - setScriptTarget: setScriptTarget, - setLanguageVariant: setLanguageVariant, - setOnError: setOnError, - setTextPos: setTextPos, - tryScan: tryScan, - lookAhead: lookAhead, - scanRange: scanRange, - }; - function error(message, length) { - if (onError) { - onError(message, length || 0); + ts.getHeritageClause = getHeritageClause; + function tryResolveScriptReference(host, sourceFile, reference) { + if (!host.getCompilerOptions().noResolve) { + var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); + return host.getSourceFile(referenceFileName); + } + } + ts.tryResolveScriptReference = tryResolveScriptReference; + function getAncestor(node, kind) { + while (node) { + if (node.kind === kind) { + return node; } + node = node.parent; } - function scanNumber() { - var start = pos; - while (isDigit(text.charCodeAt(pos))) - pos++; - if (text.charCodeAt(pos) === 46) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; + return undefined; + } + ts.getAncestor = getAncestor; + function getFileReferenceFromReferencePath(comment, commentRange) { + var simpleReferenceRegEx = /^\/\/\/\s*/gim; + if (simpleReferenceRegEx.test(comment)) { + if (isNoDefaultLibRegEx.test(comment)) { + return { + isNoDefaultLib: true + }; } - var end = pos; - if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { - pos++; - if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) - pos++; - if (isDigit(text.charCodeAt(pos))) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - end = pos; - } - else { - error(ts.Diagnostics.Digit_expected); + else { + var refMatchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); + var refLibResult = !refMatchResult && ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx.exec(comment); + if (refMatchResult || refLibResult) { + var start = commentRange.pos; + var end = commentRange.end; + return { + fileReference: { + pos: start, + end: end, + fileName: (refMatchResult || refLibResult)[3] + }, + isNoDefaultLib: false, + isTypeReferenceDirective: !!refLibResult + }; } + return { + diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, + isNoDefaultLib: false + }; } - return "" + +(text.substring(start, end)); - } - function scanOctalDigits() { - var start = pos; - while (isOctalDigit(text.charCodeAt(pos))) { - pos++; - } - return +(text.substring(start, pos)); } - function scanExactNumberOfHexDigits(count) { - return scanHexDigits(count, false); - } - function scanMinimumNumberOfHexDigits(count) { - return scanHexDigits(count, true); + return undefined; + } + ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; + function isKeyword(token) { + return 71 <= token && token <= 139; + } + ts.isKeyword = isKeyword; + function isTrivia(token) { + return 2 <= token && token <= 7; + } + ts.isTrivia = isTrivia; + function isAsyncFunctionLike(node) { + return isFunctionLike(node) && hasModifier(node, 256) && !isAccessor(node); + } + ts.isAsyncFunctionLike = isAsyncFunctionLike; + function isStringOrNumericLiteral(kind) { + return kind === 9 || kind === 8; + } + ts.isStringOrNumericLiteral = isStringOrNumericLiteral; + function hasDynamicName(declaration) { + return declaration.name && isDynamicName(declaration.name); + } + ts.hasDynamicName = hasDynamicName; + function isDynamicName(name) { + return name.kind === 141 && + !isStringOrNumericLiteral(name.expression.kind) && + !isWellKnownSymbolSyntactically(name.expression); + } + ts.isDynamicName = isDynamicName; + function isWellKnownSymbolSyntactically(node) { + return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + } + ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; + function getPropertyNameForPropertyNameNode(name) { + if (name.kind === 70 || name.kind === 9 || name.kind === 8 || name.kind === 143) { + return name.text; } - function scanHexDigits(minCount, scanAsManyAsPossible) { - var digits = 0; - var value = 0; - while (digits < minCount || scanAsManyAsPossible) { - var ch = text.charCodeAt(pos); - if (ch >= 48 && ch <= 57) { - value = value * 16 + ch - 48; - } - else if (ch >= 65 && ch <= 70) { - value = value * 16 + ch - 65 + 10; - } - else if (ch >= 97 && ch <= 102) { - value = value * 16 + ch - 97 + 10; - } - else { - break; - } - pos++; - digits++; - } - if (digits < minCount) { - value = -1; + if (name.kind === 141) { + var nameExpression = name.expression; + if (isWellKnownSymbolSyntactically(nameExpression)) { + var rightHandSideName = nameExpression.name.text; + return getPropertyNameForKnownSymbolName(rightHandSideName); } - return value; - } - function scanString(allowEscapes) { - if (allowEscapes === void 0) { allowEscapes = true; } - var quote = text.charCodeAt(pos); - pos++; - var result = ""; - var start = pos; - while (true) { - if (pos >= end) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - var ch = text.charCodeAt(pos); - if (ch === quote) { - result += text.substring(start, pos); - pos++; - break; - } - if (ch === 92 && allowEscapes) { - result += text.substring(start, pos); - result += scanEscapeSequence(); - start = pos; - continue; - } - if (isLineBreak(ch)) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - pos++; + else if (nameExpression.kind === 9 || nameExpression.kind === 8) { + return nameExpression.text; } - return result; } - function scanTemplateAndSetTokenValue() { - var startedWithBacktick = text.charCodeAt(pos) === 96; - pos++; - var start = pos; - var contents = ""; - var resultingToken; - while (true) { - if (pos >= end) { - contents += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_template_literal); - resultingToken = startedWithBacktick ? 12 : 15; - break; - } - var currChar = text.charCodeAt(pos); - if (currChar === 96) { - contents += text.substring(start, pos); - pos++; - resultingToken = startedWithBacktick ? 12 : 15; - break; - } - if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { - contents += text.substring(start, pos); - pos += 2; - resultingToken = startedWithBacktick ? 13 : 14; - break; - } - if (currChar === 92) { - contents += text.substring(start, pos); - contents += scanEscapeSequence(); - start = pos; - continue; - } - if (currChar === 13) { - contents += text.substring(start, pos); - pos++; - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - contents += "\n"; - start = pos; - continue; - } - pos++; - } - ts.Debug.assert(resultingToken !== undefined); - tokenValue = contents; - return resultingToken; + return undefined; + } + ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; + function getPropertyNameForKnownSymbolName(symbolName) { + return "__@" + symbolName; + } + ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; + function isESSymbolIdentifier(node) { + return node.kind === 70 && node.text === "Symbol"; + } + ts.isESSymbolIdentifier = isESSymbolIdentifier; + function isPushOrUnshiftIdentifier(node) { + return node.text === "push" || node.text === "unshift"; + } + ts.isPushOrUnshiftIdentifier = isPushOrUnshiftIdentifier; + function isModifierKind(token) { + switch (token) { + case 116: + case 119: + case 75: + case 123: + case 78: + case 83: + case 113: + case 111: + case 112: + case 129: + case 114: + return true; } - function scanEscapeSequence() { - pos++; - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - return ""; - } - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 48: - return "\0"; - case 98: - return "\b"; - case 116: - return "\t"; - case 110: - return "\n"; - case 118: - return "\v"; - case 102: - return "\f"; - case 114: - return "\r"; - case 39: - return "\'"; - case 34: - return "\""; - case 117: - if (pos < end && text.charCodeAt(pos) === 123) { - hasExtendedUnicodeEscape = true; - pos++; - return scanExtendedUnicodeEscape(); - } - return scanHexadecimalEscape(4); - case 120: - return scanHexadecimalEscape(2); - case 13: - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - case 8232: - case 8233: - return ""; - default: - return String.fromCharCode(ch); - } + return false; + } + ts.isModifierKind = isModifierKind; + function isParameterDeclaration(node) { + var root = getRootDeclaration(node); + return root.kind === 143; + } + ts.isParameterDeclaration = isParameterDeclaration; + function getRootDeclaration(node) { + while (node.kind === 170) { + node = node.parent.parent; } - function scanHexadecimalEscape(numDigits) { - var escapedValue = scanExactNumberOfHexDigits(numDigits); - if (escapedValue >= 0) { - return String.fromCharCode(escapedValue); - } - else { - error(ts.Diagnostics.Hexadecimal_digit_expected); - return ""; + return node; + } + ts.getRootDeclaration = getRootDeclaration; + function nodeStartsNewLexicalEnvironment(node) { + var kind = node.kind; + return kind === 149 + || kind === 180 + || kind === 221 + || kind === 181 + || kind === 148 + || kind === 150 + || kind === 151 + || kind === 226 + || kind === 256; + } + ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; + function nodeIsSynthesized(node) { + return ts.positionIsSynthesized(node.pos) + || ts.positionIsSynthesized(node.end); + } + ts.nodeIsSynthesized = nodeIsSynthesized; + function getOriginalNode(node) { + if (node) { + while (node.original !== undefined) { + node = node.original; } } - function scanExtendedUnicodeEscape() { - var escapedValue = scanMinimumNumberOfHexDigits(1); - var isInvalidExtendedEscape = false; - if (escapedValue < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - isInvalidExtendedEscape = true; - } - else if (escapedValue > 0x10FFFF) { - error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); - isInvalidExtendedEscape = true; - } - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - isInvalidExtendedEscape = true; - } - else if (text.charCodeAt(pos) === 125) { - pos++; - } - else { - error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); - isInvalidExtendedEscape = true; - } - if (isInvalidExtendedEscape) { - return ""; - } - return utf16EncodeAsString(escapedValue); + return node; + } + ts.getOriginalNode = getOriginalNode; + function isParseTreeNode(node) { + return (node.flags & 8) === 0; + } + ts.isParseTreeNode = isParseTreeNode; + function getParseTreeNode(node, nodeTest) { + if (isParseTreeNode(node)) { + return node; } - function utf16EncodeAsString(codePoint) { - ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); - if (codePoint <= 65535) { - return String.fromCharCode(codePoint); - } - var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; - var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; - return String.fromCharCode(codeUnit1, codeUnit2); + node = getOriginalNode(node); + if (isParseTreeNode(node) && (!nodeTest || nodeTest(node))) { + return node; } - function peekUnicodeEscape() { - if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { - var start_1 = pos; - pos += 2; - var value = scanExactNumberOfHexDigits(4); - pos = start_1; - return value; + return undefined; + } + ts.getParseTreeNode = getParseTreeNode; + function getOriginalSourceFiles(sourceFiles) { + var originalSourceFiles = []; + for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { + var sourceFile = sourceFiles_1[_i]; + var originalSourceFile = getParseTreeNode(sourceFile, isSourceFile); + if (originalSourceFile) { + originalSourceFiles.push(originalSourceFile); } - return -1; } - function scanIdentifierParts() { - var result = ""; - var start = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (isIdentifierPart(ch, languageVersion)) { - pos++; - } - else if (ch === 92) { - ch = peekUnicodeEscape(); - if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { - break; - } - result += text.substring(start, pos); - result += String.fromCharCode(ch); - pos += 6; - start = pos; - } - else { - break; + return originalSourceFiles; + } + ts.getOriginalSourceFiles = getOriginalSourceFiles; + function getOriginalNodeId(node) { + node = getOriginalNode(node); + return node ? ts.getNodeId(node) : 0; + } + ts.getOriginalNodeId = getOriginalNodeId; + function getExpressionAssociativity(expression) { + var operator = getOperator(expression); + var hasArguments = expression.kind === 176 && expression.arguments !== undefined; + return getOperatorAssociativity(expression.kind, operator, hasArguments); + } + ts.getExpressionAssociativity = getExpressionAssociativity; + function getOperatorAssociativity(kind, operator, hasArguments) { + switch (kind) { + case 176: + return hasArguments ? 0 : 1; + case 186: + case 183: + case 184: + case 182: + case 185: + case 189: + case 191: + return 1; + case 188: + switch (operator) { + case 39: + case 57: + case 58: + case 59: + case 61: + case 60: + case 62: + case 63: + case 64: + case 65: + case 66: + case 67: + case 69: + case 68: + return 1; } - } - result += text.substring(start, pos); - return result; } - function getIdentifierToken() { - var len = tokenValue.length; - if (len >= 2 && len <= 11) { - var ch = tokenValue.charCodeAt(0); - if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { - return token = textToToken[tokenValue]; - } - } - return token = 70; + return 0; + } + ts.getOperatorAssociativity = getOperatorAssociativity; + function getExpressionPrecedence(expression) { + var operator = getOperator(expression); + var hasArguments = expression.kind === 176 && expression.arguments !== undefined; + return getOperatorPrecedence(expression.kind, operator, hasArguments); + } + ts.getExpressionPrecedence = getExpressionPrecedence; + function getOperator(expression) { + if (expression.kind === 188) { + return expression.operatorToken.kind; } - function scanBinaryOrOctalDigits(base) { - ts.Debug.assert(base === 2 || base === 8, "Expected either base 2 or base 8"); - var value = 0; - var numberOfDigits = 0; - while (true) { - var ch = text.charCodeAt(pos); - var valueOfCh = ch - 48; - if (!isDigit(ch) || valueOfCh >= base) { - break; - } - value = value * base + valueOfCh; - pos++; - numberOfDigits++; - } - if (numberOfDigits === 0) { - return -1; - } - return value; + else if (expression.kind === 186 || expression.kind === 187) { + return expression.operator; } - function scan() { - startPos = pos; - hasExtendedUnicodeEscape = false; - precedingLineBreak = false; - tokenIsUnterminated = false; - while (true) { - tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var ch = text.charCodeAt(pos); - if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - if (skipTrivia) { - continue; - } - else { - return token = 6; - } - } - switch (ch) { - case 10: - case 13: - precedingLineBreak = true; - if (skipTrivia) { - pos++; - continue; - } - else { - if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { - pos += 2; - } - else { - pos++; - } - return token = 4; - } - case 9: - case 11: - case 12: - case 32: - if (skipTrivia) { - pos++; - continue; - } - else { - while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { - pos++; - } - return token = 5; - } - case 33: - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 34; - } - return pos += 2, token = 32; - } - pos++; - return token = 50; - case 34: + else { + return expression.kind; + } + } + ts.getOperator = getOperator; + function getOperatorPrecedence(nodeKind, operatorKind, hasArguments) { + switch (nodeKind) { + case 98: + case 96: + case 70: + case 94: + case 100: + case 85: + case 8: + case 9: + case 171: + case 172: + case 180: + case 181: + case 193: + case 242: + case 243: + case 11: + case 12: + case 190: + case 179: + case 194: + return 19; + case 177: + case 173: + case 174: + return 18; + case 176: + return hasArguments ? 18 : 17; + case 175: + return 17; + case 187: + return 16; + case 186: + case 183: + case 184: + case 182: + case 185: + return 15; + case 188: + switch (operatorKind) { + case 50: + case 51: + return 15; case 39: - tokenValue = scanString(); - return token = 9; - case 96: - return token = scanTemplateAndSetTokenValue(); - case 37: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 63; - } - pos++; - return token = 41; case 38: - if (text.charCodeAt(pos + 1) === 38) { - return pos += 2, token = 52; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 67; - } - pos++; - return token = 47; case 40: - pos++; - return token = 18; case 41: - pos++; - return token = 19; - case 42: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 60; - } - if (text.charCodeAt(pos + 1) === 42) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 61; - } - return pos += 2, token = 39; - } - pos++; - return token = 38; - case 43: - if (text.charCodeAt(pos + 1) === 43) { - return pos += 2, token = 42; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 58; - } - pos++; - return token = 36; + return 14; + case 36: + case 37: + return 13; case 44: - pos++; - return token = 25; case 45: - if (text.charCodeAt(pos + 1) === 45) { - return pos += 2, token = 43; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 59; - } - pos++; - return token = 37; case 46: - if (isDigit(text.charCodeAt(pos + 1))) { - tokenValue = scanNumber(); - return token = 8; - } - if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { - return pos += 3, token = 23; - } - pos++; - return token = 22; + return 12; + case 26: + case 29: + case 28: + case 30: + case 91: + case 92: + return 11; + case 31: + case 33: + case 32: + case 34: + return 10; case 47: - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < end) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - if (skipTrivia) { - continue; - } - else { - return token = 2; - } - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - var commentClosed = false; - while (pos < end) { - var ch_2 = text.charCodeAt(pos); - if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - commentClosed = true; - break; - } - if (isLineBreak(ch_2)) { - precedingLineBreak = true; - } - pos++; - } - if (!commentClosed) { - error(ts.Diagnostics.Asterisk_Slash_expected); - } - if (skipTrivia) { - continue; - } - else { - tokenIsUnterminated = !commentClosed; - return token = 3; - } - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 62; - } - pos++; - return token = 40; - case 48: - if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { - pos += 2; - var value = scanMinimumNumberOfHexDigits(1); - if (value < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { - pos += 2; - var value = scanBinaryOrOctalDigits(2); - if (value < 0) { - error(ts.Diagnostics.Binary_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { - pos += 2; - var value = scanBinaryOrOctalDigits(8); - if (value < 0) { - error(ts.Diagnostics.Octal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { - tokenValue = "" + scanOctalDigits(); - return token = 8; - } + return 9; case 49: - case 50: - case 51: + return 8; + case 48: + return 7; case 52: + return 6; case 53: - case 54: - case 55: - case 56: + return 5; case 57: - tokenValue = scanNumber(); - return token = 8; case 58: - pos++; - return token = 55; case 59: - pos++; - return token = 24; - case 60: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 60) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 64; - } - return pos += 2, token = 44; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 29; - } - if (languageVariant === 1 && - text.charCodeAt(pos + 1) === 47 && - text.charCodeAt(pos + 2) !== 42) { - return pos += 2, token = 27; - } - pos++; - return token = 26; case 61: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 33; - } - return pos += 2, token = 31; - } - if (text.charCodeAt(pos + 1) === 62) { - return pos += 2, token = 35; - } - pos++; - return token = 57; + case 60: case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - pos++; - return token = 28; case 63: - pos++; - return token = 54; - case 91: - pos++; - return token = 20; - case 93: - pos++; - return token = 21; - case 94: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 69; - } - pos++; - return token = 49; - case 123: - pos++; - return token = 16; - case 124: - if (text.charCodeAt(pos + 1) === 124) { - return pos += 2, token = 53; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 68; - } - pos++; - return token = 48; - case 125: - pos++; - return token = 17; - case 126: - pos++; - return token = 51; case 64: - pos++; - return token = 56; - case 92: - var cookedChar = peekUnicodeEscape(); - if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { - pos += 6; - tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); - return token = getIdentifierToken(); - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; + case 65: + case 66: + case 67: + case 69: + case 68: + return 3; + case 25: + return 0; default: - if (isIdentifierStart(ch, languageVersion)) { - pos++; - while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) - pos++; - tokenValue = text.substring(tokenPos, pos); - if (ch === 92) { - tokenValue += scanIdentifierParts(); - } - return token = getIdentifierToken(); - } - else if (isWhiteSpaceSingleLine(ch)) { - pos++; - continue; - } - else if (isLineBreak(ch)) { - precedingLineBreak = true; - pos++; - continue; - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; - } - } - } - function reScanGreaterToken() { - if (token === 28) { - if (text.charCodeAt(pos) === 62) { - if (text.charCodeAt(pos + 1) === 62) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 66; - } - return pos += 2, token = 46; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 65; - } - pos++; - return token = 45; - } - if (text.charCodeAt(pos) === 61) { - pos++; - return token = 30; - } - } - return token; - } - function reScanSlashToken() { - if (token === 40 || token === 62) { - var p = tokenPos + 1; - var inEscape = false; - var inCharacterClass = false; - while (true) { - if (p >= end) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - var ch = text.charCodeAt(p); - if (isLineBreak(ch)) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - if (inEscape) { - inEscape = false; - } - else if (ch === 47 && !inCharacterClass) { - p++; - break; - } - else if (ch === 91) { - inCharacterClass = true; - } - else if (ch === 92) { - inEscape = true; - } - else if (ch === 93) { - inCharacterClass = false; - } - p++; - } - while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { - p++; + return -1; } - pos = p; - tokenValue = text.substring(tokenPos, pos); - token = 11; - } - return token; - } - function reScanTemplateToken() { - ts.Debug.assert(token === 17, "'reScanTemplateToken' should only be called on a '}'"); - pos = tokenPos; - return token = scanTemplateAndSetTokenValue(); + case 189: + return 4; + case 191: + return 2; + case 192: + return 1; + default: + return -1; } - function reScanJsxToken() { - pos = tokenPos = startPos; - return token = scanJsxToken(); + } + ts.getOperatorPrecedence = getOperatorPrecedence; + function createDiagnosticCollection() { + var nonFileDiagnostics = []; + var fileDiagnostics = ts.createMap(); + var diagnosticsModified = false; + var modificationCount = 0; + return { + add: add, + getGlobalDiagnostics: getGlobalDiagnostics, + getDiagnostics: getDiagnostics, + getModificationCount: getModificationCount, + reattachFileDiagnostics: reattachFileDiagnostics + }; + function getModificationCount() { + return modificationCount; } - function scanJsxToken() { - startPos = tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var char = text.charCodeAt(pos); - if (char === 60) { - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - return token = 27; - } - pos++; - return token = 26; - } - if (char === 123) { - pos++; - return token = 16; + function reattachFileDiagnostics(newFile) { + if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { + return; } - while (pos < end) { - pos++; - char = text.charCodeAt(pos); - if ((char === 123) || (char === 60)) { - break; - } + for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { + var diagnostic = _a[_i]; + diagnostic.file = newFile; } - return token = 10; } - function scanJsxIdentifier() { - if (tokenIsIdentifierOrKeyword(token)) { - var firstCharPosition = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { - pos++; - } - else { - break; - } + function add(diagnostic) { + var diagnostics; + if (diagnostic.file) { + diagnostics = fileDiagnostics[diagnostic.file.fileName]; + if (!diagnostics) { + diagnostics = []; + fileDiagnostics[diagnostic.file.fileName] = diagnostics; } - tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); } - return token; - } - function scanJsxAttributeValue() { - startPos = pos; - switch (text.charCodeAt(pos)) { - case 34: - case 39: - tokenValue = scanString(false); - return token = 9; - default: - return scan(); + else { + diagnostics = nonFileDiagnostics; } + diagnostics.push(diagnostic); + diagnosticsModified = true; + modificationCount++; } - function scanJSDocToken() { - if (pos >= end) { - return token = 1; - } - startPos = pos; - tokenPos = pos; - var ch = text.charCodeAt(pos); - switch (ch) { - case 9: - case 11: - case 12: - case 32: - while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) { - pos++; - } - return token = 5; - case 64: - pos++; - return token = 56; - case 10: - case 13: - pos++; - return token = 4; - case 42: - pos++; - return token = 38; - case 123: - pos++; - return token = 16; - case 125: - pos++; - return token = 17; - case 91: - pos++; - return token = 20; - case 93: - pos++; - return token = 21; - case 61: - pos++; - return token = 57; - case 44: - pos++; - return token = 25; + function getGlobalDiagnostics() { + sortAndDeduplicate(); + return nonFileDiagnostics; + } + function getDiagnostics(fileName) { + sortAndDeduplicate(); + if (fileName) { + return fileDiagnostics[fileName] || []; } - if (isIdentifierStart(ch, 4)) { - pos++; - while (isIdentifierPart(text.charCodeAt(pos), 4) && pos < end) { - pos++; - } - return token = 70; + var allDiagnostics = []; + function pushDiagnostic(d) { + allDiagnostics.push(d); } - else { - return pos += 1, token = 0; + ts.forEach(nonFileDiagnostics, pushDiagnostic); + for (var key in fileDiagnostics) { + ts.forEach(fileDiagnostics[key], pushDiagnostic); } + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); } - function speculationHelper(callback, isLookahead) { - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var saveTokenValue = tokenValue; - var savePrecedingLineBreak = precedingLineBreak; - var result = callback(); - if (!result || isLookahead) { - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - tokenValue = saveTokenValue; - precedingLineBreak = savePrecedingLineBreak; + function sortAndDeduplicate() { + if (!diagnosticsModified) { + return; + } + diagnosticsModified = false; + nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); + for (var key in fileDiagnostics) { + fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); } - return result; - } - function scanRange(start, length, callback) { - var saveEnd = end; - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var savePrecedingLineBreak = precedingLineBreak; - var saveTokenValue = tokenValue; - var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; - var saveTokenIsUnterminated = tokenIsUnterminated; - setText(text, start, length); - var result = callback(); - end = saveEnd; - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - precedingLineBreak = savePrecedingLineBreak; - tokenValue = saveTokenValue; - hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; - tokenIsUnterminated = saveTokenIsUnterminated; - return result; } - function lookAhead(callback) { - return speculationHelper(callback, true); + } + ts.createDiagnosticCollection = createDiagnosticCollection; + var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; + var escapedCharsMap = ts.createMap({ + "\0": "\\0", + "\t": "\\t", + "\v": "\\v", + "\f": "\\f", + "\b": "\\b", + "\r": "\\r", + "\n": "\\n", + "\\": "\\\\", + "\"": "\\\"", + "\u2028": "\\u2028", + "\u2029": "\\u2029", + "\u0085": "\\u0085" + }); + function escapeString(s) { + s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; + return s; + function getReplacement(c) { + return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); } - function tryScan(callback) { - return speculationHelper(callback, false); + } + ts.escapeString = escapeString; + function isIntrinsicJsxName(name) { + var ch = name.substr(0, 1); + return ch.toLowerCase() === ch; + } + ts.isIntrinsicJsxName = isIntrinsicJsxName; + function get16BitUnicodeEscapeSequence(charCode) { + var hexCharCode = charCode.toString(16).toUpperCase(); + var paddedHexCode = ("0000" + hexCharCode).slice(-4); + return "\\u" + paddedHexCode; + } + var nonAsciiCharacters = /[^\u0000-\u007F]/g; + function escapeNonAsciiCharacters(s) { + return nonAsciiCharacters.test(s) ? + s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : + s; + } + ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; + var indentStrings = ["", " "]; + function getIndentString(level) { + if (indentStrings[level] === undefined) { + indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; } - function getText() { - return text; + return indentStrings[level]; + } + ts.getIndentString = getIndentString; + function getIndentSize() { + return indentStrings[1].length; + } + ts.getIndentSize = getIndentSize; + function createTextWriter(newLine) { + var output; + var indent; + var lineStart; + var lineCount; + var linePos; + function write(s) { + if (s && s.length) { + if (lineStart) { + output += getIndentString(indent); + lineStart = false; + } + output += s; + } } - function setText(newText, start, length) { - text = newText || ""; - end = length === undefined ? text.length : start + length; - setTextPos(start || 0); + function reset() { + output = ""; + indent = 0; + lineStart = true; + lineCount = 0; + linePos = 0; } - function setOnError(errorCallback) { - onError = errorCallback; + function rawWrite(s) { + if (s !== undefined) { + if (lineStart) { + lineStart = false; + } + output += s; + } } - function setScriptTarget(scriptTarget) { - languageVersion = scriptTarget; + function writeLiteral(s) { + if (s && s.length) { + write(s); + var lineStartsOfS = ts.computeLineStarts(s); + if (lineStartsOfS.length > 1) { + lineCount = lineCount + lineStartsOfS.length - 1; + linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + } + } } - function setLanguageVariant(variant) { - languageVariant = variant; + function writeLine() { + if (!lineStart) { + output += newLine; + lineCount++; + linePos = output.length; + lineStart = true; + } } - function setTextPos(textPos) { - ts.Debug.assert(textPos >= 0); - pos = textPos; - startPos = textPos; - tokenPos = textPos; - token = 0; - precedingLineBreak = false; - tokenValue = undefined; - hasExtendedUnicodeEscape = false; - tokenIsUnterminated = false; + function writeTextOfNode(text, node) { + write(getTextOfNodeFromSourceText(text, node)); } + reset(); + return { + write: write, + rawWrite: rawWrite, + writeTextOfNode: writeTextOfNode, + writeLiteral: writeLiteral, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + getIndent: function () { return indent; }, + getTextPos: function () { return output.length; }, + getLine: function () { return lineCount + 1; }, + getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, + getText: function () { return output; }, + isAtStartOfLine: function () { return lineStart; }, + reset: reset + }; } - ts.createScanner = createScanner; -})(ts || (ts = {})); -var ts; -(function (ts) { - var NodeConstructor; - var SourceFileConstructor; - function createNode(kind, location, flags) { - var ConstructorForKind = kind === 256 - ? (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor())) - : (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor())); - var node = location - ? new ConstructorForKind(kind, location.pos, location.end) - : new ConstructorForKind(kind, -1, -1); - node.flags = flags | 8; - return node; + ts.createTextWriter = createTextWriter; + function getResolvedExternalModuleName(host, file) { + return file.moduleName || getExternalModuleNameFromPath(host, file.fileName); } - function updateNode(updated, original) { - if (updated !== original) { - setOriginalNode(updated, original); - if (original.startsOnNewLine) { - updated.startsOnNewLine = true; - } - ts.aggregateTransformFlags(updated); + ts.getResolvedExternalModuleName = getResolvedExternalModuleName; + function getExternalModuleNameFromDeclaration(host, resolver, declaration) { + var file = resolver.getExternalModuleFileFromDeclaration(declaration); + if (!file || isDeclarationFile(file)) { + return undefined; } - return updated; + return getResolvedExternalModuleName(host, file); } - ts.updateNode = updateNode; - function createNodeArray(elements, location, hasTrailingComma) { - if (elements) { - if (ts.isNodeArray(elements)) { - return elements; - } + ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; + function getExternalModuleNameFromPath(host, fileName) { + var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; + var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); + var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); + var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); + return ts.removeFileExtension(relativePath); + } + ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; + function getOwnEmitOutputFilePath(sourceFile, host, extension) { + var compilerOptions = host.getCompilerOptions(); + var emitOutputFilePathWithoutExtension; + if (compilerOptions.outDir) { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); } else { - elements = []; + emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); } - var array = elements; - if (location) { - array.pos = location.pos; - array.end = location.end; + return emitOutputFilePathWithoutExtension + extension; + } + ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; + function getDeclarationEmitOutputFilePath(sourceFile, host) { + var options = host.getCompilerOptions(); + var outputDir = options.declarationDir || options.outDir; + var path = outputDir + ? getSourceFilePathInNewDir(sourceFile, host, outputDir) + : sourceFile.fileName; + return ts.removeFileExtension(path) + ".d.ts"; + } + ts.getDeclarationEmitOutputFilePath = getDeclarationEmitOutputFilePath; + function getSourceFilesToEmit(host, targetSourceFile) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + var moduleKind = ts.getEmitModuleKind(options); + var moduleEmitEnabled = moduleKind === ts.ModuleKind.AMD || moduleKind === ts.ModuleKind.System; + var sourceFiles = host.getSourceFiles(); + return ts.filter(sourceFiles, moduleEmitEnabled ? isNonDeclarationFile : isBundleEmitNonExternalModule); } else { - array.pos = -1; - array.end = -1; - } - if (hasTrailingComma) { - array.hasTrailingComma = true; + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + return ts.filter(sourceFiles, isNonDeclarationFile); } - return array; } - ts.createNodeArray = createNodeArray; - function createSynthesizedNode(kind, startsOnNewLine) { - var node = createNode(kind, undefined); - node.startsOnNewLine = startsOnNewLine; - return node; + ts.getSourceFilesToEmit = getSourceFilesToEmit; + function isNonDeclarationFile(sourceFile) { + return !isDeclarationFile(sourceFile); } - ts.createSynthesizedNode = createSynthesizedNode; - function createSynthesizedNodeArray(elements) { - return createNodeArray(elements, undefined); - } - ts.createSynthesizedNodeArray = createSynthesizedNodeArray; - function getSynthesizedClone(node) { - var clone = createNode(node.kind, undefined, node.flags); - setOriginalNode(clone, node); - for (var key in node) { - if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { - continue; - } - clone[key] = node[key]; - } - return clone; - } - ts.getSynthesizedClone = getSynthesizedClone; - function getMutableClone(node) { - var clone = getSynthesizedClone(node); - clone.pos = node.pos; - clone.end = node.end; - clone.parent = node.parent; - return clone; + function isBundleEmitNonExternalModule(sourceFile) { + return !isDeclarationFile(sourceFile) && !ts.isExternalModule(sourceFile); } - ts.getMutableClone = getMutableClone; - function createLiteral(value, location) { - if (typeof value === "number") { - var node = createNode(8, location, undefined); - node.text = value.toString(); - return node; + function forEachTransformedEmitFile(host, sourceFiles, action, emitOnlyDtsFiles) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + onBundledEmit(sourceFiles); } - else if (typeof value === "boolean") { - return createNode(value ? 100 : 85, location, undefined); + else { + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } } - else if (typeof value === "string") { - var node = createNode(9, location, undefined); - node.text = value; - return node; + function onSingleFileEmit(host, sourceFile) { + var extension = ".js"; + if (options.jsx === 1) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1) { + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); + var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (options.declaration || emitOnlyDtsFiles) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; + action(jsFilePath, sourceMapFilePath, declarationFilePath, [sourceFile], false); } - else if (value) { - var node = createNode(9, location, undefined); - node.textSourceNode = value; - node.text = value.text; - return node; + function onBundledEmit(sourceFiles) { + if (sourceFiles.length) { + var jsFilePath = options.outFile || options.out; + var sourceMapFilePath = getSourceMapFilePath(jsFilePath, options); + var declarationFilePath = options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; + action(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, true); + } } } - ts.createLiteral = createLiteral; - var nextAutoGenerateId = 0; - function createIdentifier(text, location) { - var node = createNode(70, location); - node.text = ts.escapeIdentifier(text); - node.originalKeywordKind = ts.stringToToken(text); - node.autoGenerateKind = 0; - node.autoGenerateId = 0; - return node; + ts.forEachTransformedEmitFile = forEachTransformedEmitFile; + function getSourceMapFilePath(jsFilePath, options) { + return options.sourceMap ? jsFilePath + ".map" : undefined; } - ts.createIdentifier = createIdentifier; - function createTempVariable(recordTempVariable, location) { - var name = createNode(70, location); - name.text = ""; - name.originalKeywordKind = 0; - name.autoGenerateKind = 1; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - if (recordTempVariable) { - recordTempVariable(name); + function forEachExpectedEmitFile(host, action, targetSourceFile, emitOnlyDtsFiles) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + onBundledEmit(host); } - return name; - } - ts.createTempVariable = createTempVariable; - function createLoopVariable(location) { - var name = createNode(70, location); - name.text = ""; - name.originalKeywordKind = 0; - name.autoGenerateKind = 2; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - return name; - } - ts.createLoopVariable = createLoopVariable; - function createUniqueName(text, location) { - var name = createNode(70, location); - name.text = text; - name.originalKeywordKind = 0; - name.autoGenerateKind = 3; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - return name; - } - ts.createUniqueName = createUniqueName; - function getGeneratedNameForNode(node, location) { - var name = createNode(70, location); - name.original = node; - name.text = ""; - name.originalKeywordKind = 0; - name.autoGenerateKind = 4; - name.autoGenerateId = nextAutoGenerateId; - nextAutoGenerateId++; - return name; - } - ts.getGeneratedNameForNode = getGeneratedNameForNode; - function createToken(token) { - return createNode(token); - } - ts.createToken = createToken; - function createSuper() { - var node = createNode(96); - return node; - } - ts.createSuper = createSuper; - function createThis(location) { - var node = createNode(98, location); - return node; - } - ts.createThis = createThis; - function createNull() { - var node = createNode(94); - return node; - } - ts.createNull = createNull; - function createComputedPropertyName(expression, location) { - var node = createNode(141, location); - node.expression = expression; - return node; - } - ts.createComputedPropertyName = createComputedPropertyName; - function updateComputedPropertyName(node, expression) { - if (node.expression !== expression) { - return updateNode(createComputedPropertyName(expression, node), node); + else { + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { + var sourceFile = sourceFiles_3[_i]; + if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } } - return node; - } - ts.updateComputedPropertyName = updateComputedPropertyName; - function createParameter(name, initializer, location) { - return createParameterDeclaration(undefined, undefined, undefined, name, undefined, undefined, initializer, location); - } - ts.createParameter = createParameter; - function createParameterDeclaration(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer, location, flags) { - var node = createNode(143, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.dotDotDotToken = dotDotDotToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.questionToken = questionToken; - node.type = type; - node.initializer = initializer ? parenthesizeExpressionForList(initializer) : undefined; - return node; - } - ts.createParameterDeclaration = createParameterDeclaration; - function updateParameterDeclaration(node, decorators, modifiers, name, type, initializer) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { - return updateNode(createParameterDeclaration(decorators, modifiers, node.dotDotDotToken, name, node.questionToken, type, initializer, node, node.flags), node); + function onSingleFileEmit(host, sourceFile) { + var extension = ".js"; + if (options.jsx === 1) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1) { + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (emitOnlyDtsFiles || options.declaration) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: declarationFilePath + }; + action(emitFileNames, [sourceFile], false, emitOnlyDtsFiles); } - return node; - } - ts.updateParameterDeclaration = updateParameterDeclaration; - function createProperty(decorators, modifiers, name, questionToken, type, initializer, location) { - var node = createNode(146, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.questionToken = questionToken; - node.type = type; - node.initializer = initializer; - return node; - } - ts.createProperty = createProperty; - function updateProperty(node, decorators, modifiers, name, type, initializer) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { - return updateNode(createProperty(decorators, modifiers, name, node.questionToken, type, initializer, node), node); + function onBundledEmit(host) { + var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && + !host.isSourceFileFromExternalLibrary(sourceFile) && + (!ts.isExternalModule(sourceFile) || + !!ts.getEmitModuleKind(options)); }); + if (bundledSources.length) { + var jsFilePath = options.outFile || options.out; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined + }; + action(emitFileNames, bundledSources, true, emitOnlyDtsFiles); + } } - return node; } - ts.updateProperty = updateProperty; - function createMethod(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { - var node = createNode(148, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.asteriskToken = asteriskToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; + ts.forEachExpectedEmitFile = forEachExpectedEmitFile; + function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { + var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); + var commonSourceDirectory = host.getCommonSourceDirectory(); + var isSourceFileInCommonSourceDirectory = host.getCanonicalFileName(sourceFilePath).indexOf(host.getCanonicalFileName(commonSourceDirectory)) === 0; + sourceFilePath = isSourceFileInCommonSourceDirectory ? sourceFilePath.substring(commonSourceDirectory.length) : sourceFilePath; + return ts.combinePaths(newDirPath, sourceFilePath); } - ts.createMethod = createMethod; - function updateMethod(node, decorators, modifiers, name, typeParameters, parameters, type, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createMethod(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); - } - return node; + ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; + function writeFile(host, diagnostics, fileName, data, writeByteOrderMark, sourceFiles) { + host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { + diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); + }, sourceFiles); } - ts.updateMethod = updateMethod; - function createConstructor(decorators, modifiers, parameters, body, location, flags) { - var node = createNode(149, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.typeParameters = undefined; - node.parameters = createNodeArray(parameters); - node.type = undefined; - node.body = body; - return node; + ts.writeFile = writeFile; + function getLineOfLocalPosition(currentSourceFile, pos) { + return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; } - ts.createConstructor = createConstructor; - function updateConstructor(node, decorators, modifiers, parameters, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.parameters !== parameters || node.body !== body) { - return updateNode(createConstructor(decorators, modifiers, parameters, body, node, node.flags), node); - } - return node; + ts.getLineOfLocalPosition = getLineOfLocalPosition; + function getLineOfLocalPositionFromLineMap(lineMap, pos) { + return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; } - ts.updateConstructor = updateConstructor; - function createGetAccessor(decorators, modifiers, name, parameters, type, body, location, flags) { - var node = createNode(150, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; + ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; + function getFirstConstructorWithBody(node) { + return ts.forEach(node.members, function (member) { + if (member.kind === 149 && nodeIsPresent(member.body)) { + return member; + } + }); } - ts.createGetAccessor = createGetAccessor; - function updateGetAccessor(node, decorators, modifiers, name, parameters, type, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createGetAccessor(decorators, modifiers, name, parameters, type, body, node, node.flags), node); + ts.getFirstConstructorWithBody = getFirstConstructorWithBody; + function getSetAccessorTypeAnnotationNode(accessor) { + if (accessor && accessor.parameters.length > 0) { + var hasThis = accessor.parameters.length === 2 && parameterIsThisKeyword(accessor.parameters[0]); + return accessor.parameters[hasThis ? 1 : 0].type; } - return node; - } - ts.updateGetAccessor = updateGetAccessor; - function createSetAccessor(decorators, modifiers, name, parameters, body, location, flags) { - var node = createNode(151, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = undefined; - node.parameters = createNodeArray(parameters); - node.body = body; - return node; } - ts.createSetAccessor = createSetAccessor; - function updateSetAccessor(node, decorators, modifiers, name, parameters, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.body !== body) { - return updateNode(createSetAccessor(decorators, modifiers, name, parameters, body, node, node.flags), node); + ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; + function getThisParameter(signature) { + if (signature.parameters.length) { + var thisParameter = signature.parameters[0]; + if (parameterIsThisKeyword(thisParameter)) { + return thisParameter; + } } - return node; } - ts.updateSetAccessor = updateSetAccessor; - function createObjectBindingPattern(elements, location) { - var node = createNode(168, location); - node.elements = createNodeArray(elements); - return node; + ts.getThisParameter = getThisParameter; + function parameterIsThisKeyword(parameter) { + return isThisIdentifier(parameter.name); } - ts.createObjectBindingPattern = createObjectBindingPattern; - function updateObjectBindingPattern(node, elements) { - if (node.elements !== elements) { - return updateNode(createObjectBindingPattern(elements, node), node); - } - return node; + ts.parameterIsThisKeyword = parameterIsThisKeyword; + function isThisIdentifier(node) { + return node && node.kind === 70 && identifierIsThisKeyword(node); } - ts.updateObjectBindingPattern = updateObjectBindingPattern; - function createArrayBindingPattern(elements, location) { - var node = createNode(169, location); - node.elements = createNodeArray(elements); - return node; + ts.isThisIdentifier = isThisIdentifier; + function identifierIsThisKeyword(id) { + return id.originalKeywordKind === 98; } - ts.createArrayBindingPattern = createArrayBindingPattern; - function updateArrayBindingPattern(node, elements) { - if (node.elements !== elements) { - return updateNode(createArrayBindingPattern(elements, node), node); + ts.identifierIsThisKeyword = identifierIsThisKeyword; + function getAllAccessorDeclarations(declarations, accessor) { + var firstAccessor; + var secondAccessor; + var getAccessor; + var setAccessor; + if (hasDynamicName(accessor)) { + firstAccessor = accessor; + if (accessor.kind === 150) { + getAccessor = accessor; + } + else if (accessor.kind === 151) { + setAccessor = accessor; + } + else { + ts.Debug.fail("Accessor has wrong kind"); + } } - return node; + else { + ts.forEach(declarations, function (member) { + if ((member.kind === 150 || member.kind === 151) + && hasModifier(member, 32) === hasModifier(accessor, 32)) { + var memberName = getPropertyNameForPropertyNameNode(member.name); + var accessorName = getPropertyNameForPropertyNameNode(accessor.name); + if (memberName === accessorName) { + if (!firstAccessor) { + firstAccessor = member; + } + else if (!secondAccessor) { + secondAccessor = member; + } + if (member.kind === 150 && !getAccessor) { + getAccessor = member; + } + if (member.kind === 151 && !setAccessor) { + setAccessor = member; + } + } + } + }); + } + return { + firstAccessor: firstAccessor, + secondAccessor: secondAccessor, + getAccessor: getAccessor, + setAccessor: setAccessor + }; } - ts.updateArrayBindingPattern = updateArrayBindingPattern; - function createBindingElement(propertyName, dotDotDotToken, name, initializer, location) { - var node = createNode(170, location); - node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; - node.dotDotDotToken = dotDotDotToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.initializer = initializer; - return node; + ts.getAllAccessorDeclarations = getAllAccessorDeclarations; + function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { + emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, node.pos, leadingComments); } - ts.createBindingElement = createBindingElement; - function updateBindingElement(node, propertyName, name, initializer) { - if (node.propertyName !== propertyName || node.name !== name || node.initializer !== initializer) { - return updateNode(createBindingElement(propertyName, node.dotDotDotToken, name, initializer, node), node); + ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; + function emitNewLineBeforeLeadingCommentsOfPosition(lineMap, writer, pos, leadingComments) { + if (leadingComments && leadingComments.length && pos !== leadingComments[0].pos && + getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { + writer.writeLine(); } - return node; } - ts.updateBindingElement = updateBindingElement; - function createArrayLiteral(elements, location, multiLine) { - var node = createNode(171, location); - node.elements = parenthesizeListElements(createNodeArray(elements)); - if (multiLine) { - node.multiLine = true; + ts.emitNewLineBeforeLeadingCommentsOfPosition = emitNewLineBeforeLeadingCommentsOfPosition; + function emitNewLineBeforeLeadingCommentOfPosition(lineMap, writer, pos, commentPos) { + if (pos !== commentPos && + getLineOfLocalPositionFromLineMap(lineMap, pos) !== getLineOfLocalPositionFromLineMap(lineMap, commentPos)) { + writer.writeLine(); } - return node; } - ts.createArrayLiteral = createArrayLiteral; - function updateArrayLiteral(node, elements) { - if (node.elements !== elements) { - return updateNode(createArrayLiteral(elements, node, node.multiLine), node); + ts.emitNewLineBeforeLeadingCommentOfPosition = emitNewLineBeforeLeadingCommentOfPosition; + function emitComments(text, lineMap, writer, comments, leadingSeparator, trailingSeparator, newLine, writeComment) { + if (comments && comments.length > 0) { + if (leadingSeparator) { + writer.write(" "); + } + var emitInterveningSeparator = false; + for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { + var comment = comments_1[_i]; + if (emitInterveningSeparator) { + writer.write(" "); + emitInterveningSeparator = false; + } + writeComment(text, lineMap, writer, comment.pos, comment.end, newLine); + if (comment.hasTrailingNewLine) { + writer.writeLine(); + } + else { + emitInterveningSeparator = true; + } + } + if (emitInterveningSeparator && trailingSeparator) { + writer.write(" "); + } } - return node; } - ts.updateArrayLiteral = updateArrayLiteral; - function createObjectLiteral(properties, location, multiLine) { - var node = createNode(172, location); - node.properties = createNodeArray(properties); - if (multiLine) { - node.multiLine = true; + ts.emitComments = emitComments; + function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { + var leadingComments; + var currentDetachedCommentInfo; + if (removeComments) { + if (node.pos === 0) { + leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + } } - return node; - } - ts.createObjectLiteral = createObjectLiteral; - function updateObjectLiteral(node, properties) { - if (node.properties !== properties) { - return updateNode(createObjectLiteral(properties, node, node.multiLine), node); + else { + leadingComments = ts.getLeadingCommentRanges(text, node.pos); } - return node; - } - ts.updateObjectLiteral = updateObjectLiteral; - function createPropertyAccess(expression, name, location, flags) { - var node = createNode(173, location, flags); - node.expression = parenthesizeForAccess(expression); - (node.emitNode || (node.emitNode = {})).flags |= 1048576; - node.name = typeof name === "string" ? createIdentifier(name) : name; - return node; - } - ts.createPropertyAccess = createPropertyAccess; - function updatePropertyAccess(node, expression, name) { - if (node.expression !== expression || node.name !== name) { - var propertyAccess = createPropertyAccess(expression, name, node, node.flags); - (propertyAccess.emitNode || (propertyAccess.emitNode = {})).flags = getEmitFlags(node); - return updateNode(propertyAccess, node); + if (leadingComments) { + var detachedComments = []; + var lastComment = void 0; + for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { + var comment = leadingComments_1[_i]; + if (lastComment) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); + var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); + if (commentLine >= lastCommentLine + 2) { + break; + } + } + detachedComments.push(comment); + lastComment = comment; + } + if (detachedComments.length) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); + var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); + if (nodeLine >= lastCommentLine + 2) { + emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); + emitComments(text, lineMap, writer, detachedComments, false, true, newLine, writeComment); + currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; + } + } } - return node; - } - ts.updatePropertyAccess = updatePropertyAccess; - function createElementAccess(expression, index, location) { - var node = createNode(174, location); - node.expression = parenthesizeForAccess(expression); - node.argumentExpression = typeof index === "number" ? createLiteral(index) : index; - return node; - } - ts.createElementAccess = createElementAccess; - function updateElementAccess(node, expression, argumentExpression) { - if (node.expression !== expression || node.argumentExpression !== argumentExpression) { - return updateNode(createElementAccess(expression, argumentExpression, node), node); + return currentDetachedCommentInfo; + function isPinnedComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 33; } - return node; } - ts.updateElementAccess = updateElementAccess; - function createCall(expression, typeArguments, argumentsArray, location, flags) { - var node = createNode(175, location, flags); - node.expression = parenthesizeForAccess(expression); - if (typeArguments) { - node.typeArguments = createNodeArray(typeArguments); + ts.emitDetachedComments = emitDetachedComments; + function writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine) { + if (text.charCodeAt(commentPos + 1) === 42) { + var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, commentPos); + var lineCount = lineMap.length; + var firstCommentLineIndent = void 0; + for (var pos = commentPos, currentLine = firstCommentLineAndCharacter.line; pos < commentEnd; currentLine++) { + var nextLineStart = (currentLine + 1) === lineCount + ? text.length + 1 + : lineMap[currentLine + 1]; + if (pos !== commentPos) { + if (firstCommentLineIndent === undefined) { + firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], commentPos); + } + var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); + var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); + if (spacesToEmit > 0) { + var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); + var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); + writer.rawWrite(indentSizeSpaceString); + while (numberOfSingleSpacesToEmit) { + writer.rawWrite(" "); + numberOfSingleSpacesToEmit--; + } + } + else { + writer.rawWrite(""); + } + } + writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart); + pos = nextLineStart; + } } - node.arguments = parenthesizeListElements(createNodeArray(argumentsArray)); - return node; - } - ts.createCall = createCall; - function updateCall(node, expression, typeArguments, argumentsArray) { - if (expression !== node.expression || typeArguments !== node.typeArguments || argumentsArray !== node.arguments) { - return updateNode(createCall(expression, typeArguments, argumentsArray, node, node.flags), node); + else { + writer.write(text.substring(commentPos, commentEnd)); } - return node; - } - ts.updateCall = updateCall; - function createNew(expression, typeArguments, argumentsArray, location, flags) { - var node = createNode(176, location, flags); - node.expression = parenthesizeForNew(expression); - node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; - node.arguments = argumentsArray ? parenthesizeListElements(createNodeArray(argumentsArray)) : undefined; - return node; } - ts.createNew = createNew; - function updateNew(node, expression, typeArguments, argumentsArray) { - if (node.expression !== expression || node.typeArguments !== typeArguments || node.arguments !== argumentsArray) { - return updateNode(createNew(expression, typeArguments, argumentsArray, node, node.flags), node); + ts.writeCommentRange = writeCommentRange; + function writeTrimmedCurrentLine(text, commentEnd, writer, newLine, pos, nextLineStart) { + var end = Math.min(commentEnd, nextLineStart - 1); + var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); + if (currentLineText) { + writer.write(currentLineText); + if (end !== commentEnd) { + writer.writeLine(); + } } - return node; - } - ts.updateNew = updateNew; - function createTaggedTemplate(tag, template, location) { - var node = createNode(177, location); - node.tag = parenthesizeForAccess(tag); - node.template = template; - return node; - } - ts.createTaggedTemplate = createTaggedTemplate; - function updateTaggedTemplate(node, tag, template) { - if (node.tag !== tag || node.template !== template) { - return updateNode(createTaggedTemplate(tag, template, node), node); + else { + writer.writeLiteral(newLine); } - return node; - } - ts.updateTaggedTemplate = updateTaggedTemplate; - function createParen(expression, location) { - var node = createNode(179, location); - node.expression = expression; - return node; } - ts.createParen = createParen; - function updateParen(node, expression) { - if (node.expression !== expression) { - return updateNode(createParen(expression, node), node); + function calculateIndent(text, pos, end) { + var currentLineIndent = 0; + for (; pos < end && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) { + if (text.charCodeAt(pos) === 9) { + currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + } + else { + currentLineIndent++; + } } - return node; - } - ts.updateParen = updateParen; - function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { - var node = createNode(180, location, flags); - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.asteriskToken = asteriskToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; + return currentLineIndent; } - ts.createFunctionExpression = createFunctionExpression; - function updateFunctionExpression(node, modifiers, name, typeParameters, parameters, type, body) { - if (node.name !== name || node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createFunctionExpression(modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); - } - return node; + function hasModifiers(node) { + return getModifierFlags(node) !== 0; } - ts.updateFunctionExpression = updateFunctionExpression; - function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body, location, flags) { - var node = createNode(181, location, flags); - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.equalsGreaterThanToken = equalsGreaterThanToken || createToken(35); - node.body = parenthesizeConciseBody(body); - return node; + ts.hasModifiers = hasModifiers; + function hasModifier(node, flags) { + return (getModifierFlags(node) & flags) !== 0; } - ts.createArrowFunction = createArrowFunction; - function updateArrowFunction(node, modifiers, typeParameters, parameters, type, body) { - if (node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createArrowFunction(modifiers, typeParameters, parameters, type, node.equalsGreaterThanToken, body, node, node.flags), node); + ts.hasModifier = hasModifier; + function getModifierFlags(node) { + if (node.modifierFlagsCache & 536870912) { + return node.modifierFlagsCache & ~536870912; } - return node; - } - ts.updateArrowFunction = updateArrowFunction; - function createDelete(expression, location) { - var node = createNode(182, location); - node.expression = parenthesizePrefixOperand(expression); - return node; - } - ts.createDelete = createDelete; - function updateDelete(node, expression) { - if (node.expression !== expression) { - return updateNode(createDelete(expression, node), expression); + var flags = 0; + if (node.modifiers) { + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + flags |= modifierToFlag(modifier.kind); + } } - return node; - } - ts.updateDelete = updateDelete; - function createTypeOf(expression, location) { - var node = createNode(183, location); - node.expression = parenthesizePrefixOperand(expression); - return node; - } - ts.createTypeOf = createTypeOf; - function updateTypeOf(node, expression) { - if (node.expression !== expression) { - return updateNode(createTypeOf(expression, node), expression); + if (node.flags & 4 || (node.kind === 70 && node.isInJSDocNamespace)) { + flags |= 1; } - return node; - } - ts.updateTypeOf = updateTypeOf; - function createVoid(expression, location) { - var node = createNode(184, location); - node.expression = parenthesizePrefixOperand(expression); - return node; + node.modifierFlagsCache = flags | 536870912; + return flags; } - ts.createVoid = createVoid; - function updateVoid(node, expression) { - if (node.expression !== expression) { - return updateNode(createVoid(expression, node), node); + ts.getModifierFlags = getModifierFlags; + function modifierToFlag(token) { + switch (token) { + case 114: return 32; + case 113: return 4; + case 112: return 16; + case 111: return 8; + case 116: return 128; + case 83: return 1; + case 123: return 2; + case 75: return 2048; + case 78: return 512; + case 119: return 256; + case 129: return 64; } - return node; - } - ts.updateVoid = updateVoid; - function createAwait(expression, location) { - var node = createNode(185, location); - node.expression = parenthesizePrefixOperand(expression); - return node; + return 0; } - ts.createAwait = createAwait; - function updateAwait(node, expression) { - if (node.expression !== expression) { - return updateNode(createAwait(expression, node), node); - } - return node; + ts.modifierToFlag = modifierToFlag; + function isLogicalOperator(token) { + return token === 53 + || token === 52 + || token === 50; } - ts.updateAwait = updateAwait; - function createPrefix(operator, operand, location) { - var node = createNode(186, location); - node.operator = operator; - node.operand = parenthesizePrefixOperand(operand); - return node; + ts.isLogicalOperator = isLogicalOperator; + function isAssignmentOperator(token) { + return token >= 57 && token <= 69; } - ts.createPrefix = createPrefix; - function updatePrefix(node, operand) { - if (node.operand !== operand) { - return updateNode(createPrefix(node.operator, operand, node), node); + ts.isAssignmentOperator = isAssignmentOperator; + function tryGetClassExtendingExpressionWithTypeArguments(node) { + if (node.kind === 195 && + node.parent.token === 84 && + isClassLike(node.parent.parent)) { + return node.parent.parent; } - return node; - } - ts.updatePrefix = updatePrefix; - function createPostfix(operand, operator, location) { - var node = createNode(187, location); - node.operand = parenthesizePostfixOperand(operand); - node.operator = operator; - return node; } - ts.createPostfix = createPostfix; - function updatePostfix(node, operand) { - if (node.operand !== operand) { - return updateNode(createPostfix(operand, node.operator, node), node); + ts.tryGetClassExtendingExpressionWithTypeArguments = tryGetClassExtendingExpressionWithTypeArguments; + function isDestructuringAssignment(node) { + if (isBinaryExpression(node)) { + if (node.operatorToken.kind === 57) { + var kind = node.left.kind; + return kind === 172 + || kind === 171; + } } - return node; + return false; } - ts.updatePostfix = updatePostfix; - function createBinary(left, operator, right, location) { - var operatorToken = typeof operator === "number" ? createToken(operator) : operator; - var operatorKind = operatorToken.kind; - var node = createNode(188, location); - node.left = parenthesizeBinaryOperand(operatorKind, left, true, undefined); - node.operatorToken = operatorToken; - node.right = parenthesizeBinaryOperand(operatorKind, right, false, node.left); - return node; + ts.isDestructuringAssignment = isDestructuringAssignment; + function isSupportedExpressionWithTypeArguments(node) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); } - ts.createBinary = createBinary; - function updateBinary(node, left, right) { - if (node.left !== left || node.right !== right) { - return updateNode(createBinary(left, node.operatorToken, right, node), node); + ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; + function isSupportedExpressionWithTypeArgumentsRest(node) { + if (node.kind === 70) { + return true; } - return node; - } - ts.updateBinary = updateBinary; - function createConditional(condition, questionToken, whenTrue, colonToken, whenFalse, location) { - var node = createNode(189, location); - node.condition = condition; - node.questionToken = questionToken; - node.whenTrue = whenTrue; - node.colonToken = colonToken; - node.whenFalse = whenFalse; - return node; - } - ts.createConditional = createConditional; - function updateConditional(node, condition, whenTrue, whenFalse) { - if (node.condition !== condition || node.whenTrue !== whenTrue || node.whenFalse !== whenFalse) { - return updateNode(createConditional(condition, node.questionToken, whenTrue, node.colonToken, whenFalse, node), node); + else if (isPropertyAccessExpression(node)) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + else { + return false; } - return node; } - ts.updateConditional = updateConditional; - function createTemplateExpression(head, templateSpans, location) { - var node = createNode(190, location); - node.head = head; - node.templateSpans = createNodeArray(templateSpans); - return node; + function isExpressionWithTypeArgumentsInClassExtendsClause(node) { + return tryGetClassExtendingExpressionWithTypeArguments(node) !== undefined; } - ts.createTemplateExpression = createTemplateExpression; - function updateTemplateExpression(node, head, templateSpans) { - if (node.head !== head || node.templateSpans !== templateSpans) { - return updateNode(createTemplateExpression(head, templateSpans, node), node); - } - return node; + ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; + function isEntityNameExpression(node) { + return node.kind === 70 || + node.kind === 173 && isEntityNameExpression(node.expression); } - ts.updateTemplateExpression = updateTemplateExpression; - function createYield(asteriskToken, expression, location) { - var node = createNode(191, location); - node.asteriskToken = asteriskToken; - node.expression = expression; - return node; + ts.isEntityNameExpression = isEntityNameExpression; + function isRightSideOfQualifiedNameOrPropertyAccess(node) { + return (node.parent.kind === 140 && node.parent.right === node) || + (node.parent.kind === 173 && node.parent.name === node); } - ts.createYield = createYield; - function updateYield(node, expression) { - if (node.expression !== expression) { - return updateNode(createYield(node.asteriskToken, expression, node), node); + ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; + function isEmptyObjectLiteralOrArrayLiteral(expression) { + var kind = expression.kind; + if (kind === 172) { + return expression.properties.length === 0; } - return node; + if (kind === 171) { + return expression.elements.length === 0; + } + return false; } - ts.updateYield = updateYield; - function createSpread(expression, location) { - var node = createNode(192, location); - node.expression = parenthesizeExpressionForList(expression); - return node; + ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; + function getLocalSymbolForExportDefault(symbol) { + return symbol && symbol.valueDeclaration && hasModifier(symbol.valueDeclaration, 512) ? symbol.valueDeclaration.localSymbol : undefined; } - ts.createSpread = createSpread; - function updateSpread(node, expression) { - if (node.expression !== expression) { - return updateNode(createSpread(expression, node), node); + ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; + function tryExtractTypeScriptExtension(fileName) { + return ts.find(ts.supportedTypescriptExtensionsForExtractExtension, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + } + ts.tryExtractTypeScriptExtension = tryExtractTypeScriptExtension; + function getExpandedCharCodes(input) { + var output = []; + var length = input.length; + for (var i = 0; i < length; i++) { + var charCode = input.charCodeAt(i); + if (charCode < 0x80) { + output.push(charCode); + } + else if (charCode < 0x800) { + output.push((charCode >> 6) | 192); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x10000) { + output.push((charCode >> 12) | 224); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x20000) { + output.push((charCode >> 18) | 240); + output.push(((charCode >> 12) & 63) | 128); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else { + ts.Debug.assert(false, "Unexpected code point"); + } } - return node; + return output; } - ts.updateSpread = updateSpread; - function createClassExpression(modifiers, name, typeParameters, heritageClauses, members, location) { - var node = createNode(193, location); - node.decorators = undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.heritageClauses = createNodeArray(heritageClauses); - node.members = createNodeArray(members); - return node; + ts.stringify = typeof JSON !== "undefined" && JSON.stringify + ? JSON.stringify + : stringifyFallback; + function stringifyFallback(value) { + return value === undefined ? undefined : stringifyValue(value); } - ts.createClassExpression = createClassExpression; - function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) { - if (node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { - return updateNode(createClassExpression(modifiers, name, typeParameters, heritageClauses, members, node), node); - } - return node; + function stringifyValue(value) { + return typeof value === "string" ? "\"" + escapeString(value) + "\"" + : typeof value === "number" ? isFinite(value) ? String(value) : "null" + : typeof value === "boolean" ? value ? "true" : "false" + : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) + : "null"; } - ts.updateClassExpression = updateClassExpression; - function createOmittedExpression(location) { - var node = createNode(194, location); - return node; + function cycleCheck(cb, value) { + ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); + value.__cycle = true; + var result = cb(value); + delete value.__cycle; + return result; } - ts.createOmittedExpression = createOmittedExpression; - function createExpressionWithTypeArguments(typeArguments, expression, location) { - var node = createNode(195, location); - node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; - node.expression = parenthesizeForAccess(expression); - return node; + function stringifyArray(value) { + return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; } - ts.createExpressionWithTypeArguments = createExpressionWithTypeArguments; - function updateExpressionWithTypeArguments(node, typeArguments, expression) { - if (node.typeArguments !== typeArguments || node.expression !== expression) { - return updateNode(createExpressionWithTypeArguments(typeArguments, expression, node), node); - } - return node; + function stringifyElement(memo, value) { + return (memo ? memo + "," : memo) + stringifyValue(value); } - ts.updateExpressionWithTypeArguments = updateExpressionWithTypeArguments; - function createTemplateSpan(expression, literal, location) { - var node = createNode(198, location); - node.expression = expression; - node.literal = literal; - return node; + function stringifyObject(value) { + return "{" + ts.reduceOwnProperties(value, stringifyProperty, "") + "}"; } - ts.createTemplateSpan = createTemplateSpan; - function updateTemplateSpan(node, expression, literal) { - if (node.expression !== expression || node.literal !== literal) { - return updateNode(createTemplateSpan(expression, literal, node), node); - } - return node; + function stringifyProperty(memo, value, key) { + return value === undefined || typeof value === "function" || key === "__cycle" ? memo + : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); } - ts.updateTemplateSpan = updateTemplateSpan; - function createBlock(statements, location, multiLine, flags) { - var block = createNode(200, location, flags); - block.statements = createNodeArray(statements); - if (multiLine) { - block.multiLine = true; + var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + function convertToBase64(input) { + var result = ""; + var charCodes = getExpandedCharCodes(input); + var i = 0; + var length = charCodes.length; + var byte1, byte2, byte3, byte4; + while (i < length) { + byte1 = charCodes[i] >> 2; + byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; + byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; + byte4 = charCodes[i + 2] & 63; + if (i + 1 >= length) { + byte3 = byte4 = 64; + } + else if (i + 2 >= length) { + byte4 = 64; + } + result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); + i += 3; } - return block; + return result; } - ts.createBlock = createBlock; - function updateBlock(node, statements) { - if (statements !== node.statements) { - return updateNode(createBlock(statements, node, node.multiLine, node.flags), node); + ts.convertToBase64 = convertToBase64; + var carriageReturnLineFeed = "\r\n"; + var lineFeed = "\n"; + function getNewLineCharacter(options) { + if (options.newLine === 0) { + return carriageReturnLineFeed; } - return node; - } - ts.updateBlock = updateBlock; - function createVariableStatement(modifiers, declarationList, location, flags) { - var node = createNode(201, location, flags); - node.decorators = undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList; - return node; - } - ts.createVariableStatement = createVariableStatement; - function updateVariableStatement(node, modifiers, declarationList) { - if (node.modifiers !== modifiers || node.declarationList !== declarationList) { - return updateNode(createVariableStatement(modifiers, declarationList, node, node.flags), node); + else if (options.newLine === 1) { + return lineFeed; } - return node; + else if (ts.sys) { + return ts.sys.newLine; + } + return carriageReturnLineFeed; } - ts.updateVariableStatement = updateVariableStatement; - function createVariableDeclarationList(declarations, location, flags) { - var node = createNode(220, location, flags); - node.declarations = createNodeArray(declarations); - return node; + ts.getNewLineCharacter = getNewLineCharacter; + function isSimpleExpression(node) { + return isSimpleExpressionWorker(node, 0); } - ts.createVariableDeclarationList = createVariableDeclarationList; - function updateVariableDeclarationList(node, declarations) { - if (node.declarations !== declarations) { - return updateNode(createVariableDeclarationList(declarations, node, node.flags), node); + ts.isSimpleExpression = isSimpleExpression; + function isSimpleExpressionWorker(node, depth) { + if (depth <= 5) { + var kind = node.kind; + if (kind === 9 + || kind === 8 + || kind === 11 + || kind === 12 + || kind === 70 + || kind === 98 + || kind === 96 + || kind === 100 + || kind === 85 + || kind === 94) { + return true; + } + else if (kind === 173) { + return isSimpleExpressionWorker(node.expression, depth + 1); + } + else if (kind === 174) { + return isSimpleExpressionWorker(node.expression, depth + 1) + && isSimpleExpressionWorker(node.argumentExpression, depth + 1); + } + else if (kind === 186 + || kind === 187) { + return isSimpleExpressionWorker(node.operand, depth + 1); + } + else if (kind === 188) { + return node.operatorToken.kind !== 39 + && isSimpleExpressionWorker(node.left, depth + 1) + && isSimpleExpressionWorker(node.right, depth + 1); + } + else if (kind === 189) { + return isSimpleExpressionWorker(node.condition, depth + 1) + && isSimpleExpressionWorker(node.whenTrue, depth + 1) + && isSimpleExpressionWorker(node.whenFalse, depth + 1); + } + else if (kind === 184 + || kind === 183 + || kind === 182) { + return isSimpleExpressionWorker(node.expression, depth + 1); + } + else if (kind === 171) { + return node.elements.length === 0; + } + else if (kind === 172) { + return node.properties.length === 0; + } + else if (kind === 175) { + if (!isSimpleExpressionWorker(node.expression, depth + 1)) { + return false; + } + for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (!isSimpleExpressionWorker(argument, depth + 1)) { + return false; + } + } + return true; + } } - return node; - } - ts.updateVariableDeclarationList = updateVariableDeclarationList; - function createVariableDeclaration(name, type, initializer, location, flags) { - var node = createNode(219, location, flags); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.type = type; - node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; - return node; + return false; } - ts.createVariableDeclaration = createVariableDeclaration; - function updateVariableDeclaration(node, name, type, initializer) { - if (node.name !== name || node.type !== type || node.initializer !== initializer) { - return updateNode(createVariableDeclaration(name, type, initializer, node, node.flags), node); + var syntaxKindCache = ts.createMap(); + function formatSyntaxKind(kind) { + var syntaxKindEnum = ts.SyntaxKind; + if (syntaxKindEnum) { + if (syntaxKindCache[kind]) { + return syntaxKindCache[kind]; + } + for (var name_10 in syntaxKindEnum) { + if (syntaxKindEnum[name_10] === kind) { + return syntaxKindCache[kind] = kind.toString() + " (" + name_10 + ")"; + } + } + } + else { + return kind.toString(); } - return node; } - ts.updateVariableDeclaration = updateVariableDeclaration; - function createEmptyStatement(location) { - return createNode(202, location); + ts.formatSyntaxKind = formatSyntaxKind; + function movePos(pos, value) { + return ts.positionIsSynthesized(pos) ? -1 : pos + value; } - ts.createEmptyStatement = createEmptyStatement; - function createStatement(expression, location, flags) { - var node = createNode(203, location, flags); - node.expression = parenthesizeExpressionForExpressionStatement(expression); - return node; + ts.movePos = movePos; + function createRange(pos, end) { + return { pos: pos, end: end }; } - ts.createStatement = createStatement; - function updateStatement(node, expression) { - if (node.expression !== expression) { - return updateNode(createStatement(expression, node, node.flags), node); - } - return node; + ts.createRange = createRange; + function moveRangeEnd(range, end) { + return createRange(range.pos, end); } - ts.updateStatement = updateStatement; - function createIf(expression, thenStatement, elseStatement, location) { - var node = createNode(204, location); - node.expression = expression; - node.thenStatement = thenStatement; - node.elseStatement = elseStatement; - return node; + ts.moveRangeEnd = moveRangeEnd; + function moveRangePos(range, pos) { + return createRange(pos, range.end); } - ts.createIf = createIf; - function updateIf(node, expression, thenStatement, elseStatement) { - if (node.expression !== expression || node.thenStatement !== thenStatement || node.elseStatement !== elseStatement) { - return updateNode(createIf(expression, thenStatement, elseStatement, node), node); - } - return node; + ts.moveRangePos = moveRangePos; + function moveRangePastDecorators(node) { + return node.decorators && node.decorators.length > 0 + ? moveRangePos(node, node.decorators.end) + : node; } - ts.updateIf = updateIf; - function createDo(statement, expression, location) { - var node = createNode(205, location); - node.statement = statement; - node.expression = expression; - return node; + ts.moveRangePastDecorators = moveRangePastDecorators; + function moveRangePastModifiers(node) { + return node.modifiers && node.modifiers.length > 0 + ? moveRangePos(node, node.modifiers.end) + : moveRangePastDecorators(node); } - ts.createDo = createDo; - function updateDo(node, statement, expression) { - if (node.statement !== statement || node.expression !== expression) { - return updateNode(createDo(statement, expression, node), node); - } - return node; + ts.moveRangePastModifiers = moveRangePastModifiers; + function isCollapsedRange(range) { + return range.pos === range.end; } - ts.updateDo = updateDo; - function createWhile(expression, statement, location) { - var node = createNode(206, location); - node.expression = expression; - node.statement = statement; - return node; + ts.isCollapsedRange = isCollapsedRange; + function collapseRangeToStart(range) { + return isCollapsedRange(range) ? range : moveRangeEnd(range, range.pos); } - ts.createWhile = createWhile; - function updateWhile(node, expression, statement) { - if (node.expression !== expression || node.statement !== statement) { - return updateNode(createWhile(expression, statement, node), node); - } - return node; + ts.collapseRangeToStart = collapseRangeToStart; + function collapseRangeToEnd(range) { + return isCollapsedRange(range) ? range : moveRangePos(range, range.end); } - ts.updateWhile = updateWhile; - function createFor(initializer, condition, incrementor, statement, location) { - var node = createNode(207, location, undefined); - node.initializer = initializer; - node.condition = condition; - node.incrementor = incrementor; - node.statement = statement; - return node; + ts.collapseRangeToEnd = collapseRangeToEnd; + function createTokenRange(pos, token) { + return createRange(pos, pos + ts.tokenToString(token).length); } - ts.createFor = createFor; - function updateFor(node, initializer, condition, incrementor, statement) { - if (node.initializer !== initializer || node.condition !== condition || node.incrementor !== incrementor || node.statement !== statement) { - return updateNode(createFor(initializer, condition, incrementor, statement, node), node); - } - return node; + ts.createTokenRange = createTokenRange; + function rangeIsOnSingleLine(range, sourceFile) { + return rangeStartIsOnSameLineAsRangeEnd(range, range, sourceFile); } - ts.updateFor = updateFor; - function createForIn(initializer, expression, statement, location) { - var node = createNode(208, location); - node.initializer = initializer; - node.expression = expression; - node.statement = statement; - return node; + ts.rangeIsOnSingleLine = rangeIsOnSingleLine; + function rangeStartPositionsAreOnSameLine(range1, range2, sourceFile) { + return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), getStartPositionOfRange(range2, sourceFile), sourceFile); } - ts.createForIn = createForIn; - function updateForIn(node, initializer, expression, statement) { - if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { - return updateNode(createForIn(initializer, expression, statement, node), node); - } - return node; + ts.rangeStartPositionsAreOnSameLine = rangeStartPositionsAreOnSameLine; + function rangeEndPositionsAreOnSameLine(range1, range2, sourceFile) { + return positionsAreOnSameLine(range1.end, range2.end, sourceFile); } - ts.updateForIn = updateForIn; - function createForOf(initializer, expression, statement, location) { - var node = createNode(209, location); - node.initializer = initializer; - node.expression = expression; - node.statement = statement; - return node; + ts.rangeEndPositionsAreOnSameLine = rangeEndPositionsAreOnSameLine; + function rangeStartIsOnSameLineAsRangeEnd(range1, range2, sourceFile) { + return positionsAreOnSameLine(getStartPositionOfRange(range1, sourceFile), range2.end, sourceFile); } - ts.createForOf = createForOf; - function updateForOf(node, initializer, expression, statement) { - if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { - return updateNode(createForOf(initializer, expression, statement, node), node); - } - return node; + ts.rangeStartIsOnSameLineAsRangeEnd = rangeStartIsOnSameLineAsRangeEnd; + function rangeEndIsOnSameLineAsRangeStart(range1, range2, sourceFile) { + return positionsAreOnSameLine(range1.end, getStartPositionOfRange(range2, sourceFile), sourceFile); } - ts.updateForOf = updateForOf; - function createContinue(label, location) { - var node = createNode(210, location); - if (label) { - node.label = label; - } - return node; + ts.rangeEndIsOnSameLineAsRangeStart = rangeEndIsOnSameLineAsRangeStart; + function positionsAreOnSameLine(pos1, pos2, sourceFile) { + return pos1 === pos2 || + getLineOfLocalPosition(sourceFile, pos1) === getLineOfLocalPosition(sourceFile, pos2); } - ts.createContinue = createContinue; - function updateContinue(node, label) { - if (node.label !== label) { - return updateNode(createContinue(label, node), node); - } - return node; + ts.positionsAreOnSameLine = positionsAreOnSameLine; + function getStartPositionOfRange(range, sourceFile) { + return ts.positionIsSynthesized(range.pos) ? -1 : ts.skipTrivia(sourceFile.text, range.pos); } - ts.updateContinue = updateContinue; - function createBreak(label, location) { - var node = createNode(211, location); - if (label) { - node.label = label; + ts.getStartPositionOfRange = getStartPositionOfRange; + function collectExternalModuleInfo(sourceFile) { + var externalImports = []; + var exportSpecifiers = ts.createMap(); + var exportEquals = undefined; + var hasExportStarsToExportValues = false; + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var node = _a[_i]; + switch (node.kind) { + case 231: + externalImports.push(node); + break; + case 230: + if (node.moduleReference.kind === 241) { + externalImports.push(node); + } + break; + case 237: + if (node.moduleSpecifier) { + if (!node.exportClause) { + externalImports.push(node); + hasExportStarsToExportValues = true; + } + else { + externalImports.push(node); + } + } + else { + for (var _b = 0, _c = node.exportClause.elements; _b < _c.length; _b++) { + var specifier = _c[_b]; + var name_11 = (specifier.propertyName || specifier.name).text; + (exportSpecifiers[name_11] || (exportSpecifiers[name_11] = [])).push(specifier); + } + } + break; + case 236: + if (node.isExportEquals && !exportEquals) { + exportEquals = node; + } + break; + } } - return node; + return { externalImports: externalImports, exportSpecifiers: exportSpecifiers, exportEquals: exportEquals, hasExportStarsToExportValues: hasExportStarsToExportValues }; } - ts.createBreak = createBreak; - function updateBreak(node, label) { - if (node.label !== label) { - return updateNode(createBreak(label, node), node); - } - return node; + ts.collectExternalModuleInfo = collectExternalModuleInfo; + function getInitializedVariables(node) { + return ts.filter(node.declarations, isInitializedVariable); } - ts.updateBreak = updateBreak; - function createReturn(expression, location) { - var node = createNode(212, location); - node.expression = expression; - return node; + ts.getInitializedVariables = getInitializedVariables; + function isInitializedVariable(node) { + return node.initializer !== undefined; } - ts.createReturn = createReturn; - function updateReturn(node, expression) { - if (node.expression !== expression) { - return updateNode(createReturn(expression, node), node); + function isMergedWithClass(node) { + if (node.symbol) { + for (var _i = 0, _a = node.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 222 && declaration !== node) { + return true; + } + } } - return node; + return false; } - ts.updateReturn = updateReturn; - function createWith(expression, statement, location) { - var node = createNode(213, location); - node.expression = expression; - node.statement = statement; - return node; + ts.isMergedWithClass = isMergedWithClass; + function isFirstDeclarationOfKind(node, kind) { + return node.symbol && getDeclarationOfKind(node.symbol, kind) === node; } - ts.createWith = createWith; - function updateWith(node, expression, statement) { - if (node.expression !== expression || node.statement !== statement) { - return updateNode(createWith(expression, statement, node), node); - } - return node; + ts.isFirstDeclarationOfKind = isFirstDeclarationOfKind; + function isNodeArray(array) { + return array.hasOwnProperty("pos") + && array.hasOwnProperty("end"); } - ts.updateWith = updateWith; - function createSwitch(expression, caseBlock, location) { - var node = createNode(214, location); - node.expression = parenthesizeExpressionForList(expression); - node.caseBlock = caseBlock; - return node; + ts.isNodeArray = isNodeArray; + function isNoSubstitutionTemplateLiteral(node) { + return node.kind === 12; } - ts.createSwitch = createSwitch; - function updateSwitch(node, expression, caseBlock) { - if (node.expression !== expression || node.caseBlock !== caseBlock) { - return updateNode(createSwitch(expression, caseBlock, node), node); - } - return node; + ts.isNoSubstitutionTemplateLiteral = isNoSubstitutionTemplateLiteral; + function isLiteralKind(kind) { + return 8 <= kind && kind <= 12; } - ts.updateSwitch = updateSwitch; - function createLabel(label, statement, location) { - var node = createNode(215, location); - node.label = typeof label === "string" ? createIdentifier(label) : label; - node.statement = statement; - return node; + ts.isLiteralKind = isLiteralKind; + function isTextualLiteralKind(kind) { + return kind === 9 || kind === 12; } - ts.createLabel = createLabel; - function updateLabel(node, label, statement) { - if (node.label !== label || node.statement !== statement) { - return updateNode(createLabel(label, statement, node), node); - } - return node; + ts.isTextualLiteralKind = isTextualLiteralKind; + function isLiteralExpression(node) { + return isLiteralKind(node.kind); } - ts.updateLabel = updateLabel; - function createThrow(expression, location) { - var node = createNode(216, location); - node.expression = expression; - return node; + ts.isLiteralExpression = isLiteralExpression; + function isTemplateLiteralKind(kind) { + return 12 <= kind && kind <= 15; } - ts.createThrow = createThrow; - function updateThrow(node, expression) { - if (node.expression !== expression) { - return updateNode(createThrow(expression, node), node); - } - return node; + ts.isTemplateLiteralKind = isTemplateLiteralKind; + function isTemplateHead(node) { + return node.kind === 13; } - ts.updateThrow = updateThrow; - function createTry(tryBlock, catchClause, finallyBlock, location) { - var node = createNode(217, location); - node.tryBlock = tryBlock; - node.catchClause = catchClause; - node.finallyBlock = finallyBlock; - return node; + ts.isTemplateHead = isTemplateHead; + function isTemplateMiddleOrTemplateTail(node) { + var kind = node.kind; + return kind === 14 + || kind === 15; } - ts.createTry = createTry; - function updateTry(node, tryBlock, catchClause, finallyBlock) { - if (node.tryBlock !== tryBlock || node.catchClause !== catchClause || node.finallyBlock !== finallyBlock) { - return updateNode(createTry(tryBlock, catchClause, finallyBlock, node), node); - } - return node; + ts.isTemplateMiddleOrTemplateTail = isTemplateMiddleOrTemplateTail; + function isIdentifier(node) { + return node.kind === 70; } - ts.updateTry = updateTry; - function createCaseBlock(clauses, location) { - var node = createNode(228, location); - node.clauses = createNodeArray(clauses); - return node; + ts.isIdentifier = isIdentifier; + function isGeneratedIdentifier(node) { + return isIdentifier(node) && node.autoGenerateKind > 0; } - ts.createCaseBlock = createCaseBlock; - function updateCaseBlock(node, clauses) { - if (node.clauses !== clauses) { - return updateNode(createCaseBlock(clauses, node), node); - } - return node; + ts.isGeneratedIdentifier = isGeneratedIdentifier; + function isModifier(node) { + return isModifierKind(node.kind); } - ts.updateCaseBlock = updateCaseBlock; - function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { - var node = createNode(221, location, flags); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.asteriskToken = asteriskToken; - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.parameters = createNodeArray(parameters); - node.type = type; - node.body = body; - return node; - } - ts.createFunctionDeclaration = createFunctionDeclaration; - function updateFunctionDeclaration(node, decorators, modifiers, name, typeParameters, parameters, type, body) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { - return updateNode(createFunctionDeclaration(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); - } - return node; + ts.isModifier = isModifier; + function isQualifiedName(node) { + return node.kind === 140; } - ts.updateFunctionDeclaration = updateFunctionDeclaration; - function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, location) { - var node = createNode(222, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.name = name; - node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; - node.heritageClauses = createNodeArray(heritageClauses); - node.members = createNodeArray(members); - return node; + ts.isQualifiedName = isQualifiedName; + function isComputedPropertyName(node) { + return node.kind === 141; } - ts.createClassDeclaration = createClassDeclaration; - function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { - return updateNode(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, node), node); - } - return node; + ts.isComputedPropertyName = isComputedPropertyName; + function isEntityName(node) { + var kind = node.kind; + return kind === 140 + || kind === 70; } - ts.updateClassDeclaration = updateClassDeclaration; - function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, location) { - var node = createNode(231, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.importClause = importClause; - node.moduleSpecifier = moduleSpecifier; - return node; + ts.isEntityName = isEntityName; + function isPropertyName(node) { + var kind = node.kind; + return kind === 70 + || kind === 9 + || kind === 8 + || kind === 141; } - ts.createImportDeclaration = createImportDeclaration; - function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.importClause !== importClause || node.moduleSpecifier !== moduleSpecifier) { - return updateNode(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, node), node); - } - return node; + ts.isPropertyName = isPropertyName; + function isModuleName(node) { + var kind = node.kind; + return kind === 70 + || kind === 9; } - ts.updateImportDeclaration = updateImportDeclaration; - function createImportClause(name, namedBindings, location) { - var node = createNode(232, location); - node.name = name; - node.namedBindings = namedBindings; - return node; + ts.isModuleName = isModuleName; + function isBindingName(node) { + var kind = node.kind; + return kind === 70 + || kind === 168 + || kind === 169; } - ts.createImportClause = createImportClause; - function updateImportClause(node, name, namedBindings) { - if (node.name !== name || node.namedBindings !== namedBindings) { - return updateNode(createImportClause(name, namedBindings, node), node); - } - return node; + ts.isBindingName = isBindingName; + function isTypeParameter(node) { + return node.kind === 142; } - ts.updateImportClause = updateImportClause; - function createNamespaceImport(name, location) { - var node = createNode(233, location); - node.name = name; - return node; + ts.isTypeParameter = isTypeParameter; + function isParameter(node) { + return node.kind === 143; } - ts.createNamespaceImport = createNamespaceImport; - function updateNamespaceImport(node, name) { - if (node.name !== name) { - return updateNode(createNamespaceImport(name, node), node); - } - return node; + ts.isParameter = isParameter; + function isDecorator(node) { + return node.kind === 144; } - ts.updateNamespaceImport = updateNamespaceImport; - function createNamedImports(elements, location) { - var node = createNode(234, location); - node.elements = createNodeArray(elements); - return node; + ts.isDecorator = isDecorator; + function isMethodDeclaration(node) { + return node.kind === 148; } - ts.createNamedImports = createNamedImports; - function updateNamedImports(node, elements) { - if (node.elements !== elements) { - return updateNode(createNamedImports(elements, node), node); - } - return node; + ts.isMethodDeclaration = isMethodDeclaration; + function isClassElement(node) { + var kind = node.kind; + return kind === 149 + || kind === 146 + || kind === 148 + || kind === 150 + || kind === 151 + || kind === 154 + || kind === 199; } - ts.updateNamedImports = updateNamedImports; - function createImportSpecifier(propertyName, name, location) { - var node = createNode(235, location); - node.propertyName = propertyName; - node.name = name; - return node; + ts.isClassElement = isClassElement; + function isObjectLiteralElementLike(node) { + var kind = node.kind; + return kind === 253 + || kind === 254 + || kind === 148 + || kind === 150 + || kind === 151 + || kind === 240; } - ts.createImportSpecifier = createImportSpecifier; - function updateImportSpecifier(node, propertyName, name) { - if (node.propertyName !== propertyName || node.name !== name) { - return updateNode(createImportSpecifier(propertyName, name, node), node); - } - return node; + ts.isObjectLiteralElementLike = isObjectLiteralElementLike; + function isTypeNodeKind(kind) { + return (kind >= 155 && kind <= 167) + || kind === 118 + || kind === 131 + || kind === 121 + || kind === 133 + || kind === 134 + || kind === 104 + || kind === 128 + || kind === 195; } - ts.updateImportSpecifier = updateImportSpecifier; - function createExportAssignment(decorators, modifiers, isExportEquals, expression, location) { - var node = createNode(236, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.isExportEquals = isExportEquals; - node.expression = expression; - return node; + function isTypeNode(node) { + return isTypeNodeKind(node.kind); } - ts.createExportAssignment = createExportAssignment; - function updateExportAssignment(node, decorators, modifiers, expression) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.expression !== expression) { - return updateNode(createExportAssignment(decorators, modifiers, node.isExportEquals, expression, node), node); + ts.isTypeNode = isTypeNode; + function isBindingPattern(node) { + if (node) { + var kind = node.kind; + return kind === 169 + || kind === 168; } - return node; + return false; } - ts.updateExportAssignment = updateExportAssignment; - function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, location) { - var node = createNode(237, location); - node.decorators = decorators ? createNodeArray(decorators) : undefined; - node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; - node.exportClause = exportClause; - node.moduleSpecifier = moduleSpecifier; - return node; + ts.isBindingPattern = isBindingPattern; + function isBindingElement(node) { + return node.kind === 170; } - ts.createExportDeclaration = createExportDeclaration; - function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier) { - if (node.decorators !== decorators || node.modifiers !== modifiers || node.exportClause !== exportClause || node.moduleSpecifier !== moduleSpecifier) { - return updateNode(createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, node), node); - } - return node; + ts.isBindingElement = isBindingElement; + function isArrayBindingElement(node) { + var kind = node.kind; + return kind === 170 + || kind === 194; } - ts.updateExportDeclaration = updateExportDeclaration; - function createNamedExports(elements, location) { - var node = createNode(238, location); - node.elements = createNodeArray(elements); - return node; + ts.isArrayBindingElement = isArrayBindingElement; + function isPropertyAccessExpression(node) { + return node.kind === 173; } - ts.createNamedExports = createNamedExports; - function updateNamedExports(node, elements) { - if (node.elements !== elements) { - return updateNode(createNamedExports(elements, node), node); - } - return node; + ts.isPropertyAccessExpression = isPropertyAccessExpression; + function isElementAccessExpression(node) { + return node.kind === 174; } - ts.updateNamedExports = updateNamedExports; - function createExportSpecifier(name, propertyName, location) { - var node = createNode(239, location); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; - return node; + ts.isElementAccessExpression = isElementAccessExpression; + function isBinaryExpression(node) { + return node.kind === 188; } - ts.createExportSpecifier = createExportSpecifier; - function updateExportSpecifier(node, name, propertyName) { - if (node.name !== name || node.propertyName !== propertyName) { - return updateNode(createExportSpecifier(name, propertyName, node), node); - } - return node; + ts.isBinaryExpression = isBinaryExpression; + function isConditionalExpression(node) { + return node.kind === 189; } - ts.updateExportSpecifier = updateExportSpecifier; - function createJsxElement(openingElement, children, closingElement, location) { - var node = createNode(242, location); - node.openingElement = openingElement; - node.children = createNodeArray(children); - node.closingElement = closingElement; - return node; + ts.isConditionalExpression = isConditionalExpression; + function isCallExpression(node) { + return node.kind === 175; } - ts.createJsxElement = createJsxElement; - function updateJsxElement(node, openingElement, children, closingElement) { - if (node.openingElement !== openingElement || node.children !== children || node.closingElement !== closingElement) { - return updateNode(createJsxElement(openingElement, children, closingElement, node), node); - } - return node; + ts.isCallExpression = isCallExpression; + function isTemplateLiteral(node) { + var kind = node.kind; + return kind === 190 + || kind === 12; } - ts.updateJsxElement = updateJsxElement; - function createJsxSelfClosingElement(tagName, attributes, location) { - var node = createNode(243, location); - node.tagName = tagName; - node.attributes = createNodeArray(attributes); - return node; + ts.isTemplateLiteral = isTemplateLiteral; + function isSpreadElementExpression(node) { + return node.kind === 192; } - ts.createJsxSelfClosingElement = createJsxSelfClosingElement; - function updateJsxSelfClosingElement(node, tagName, attributes) { - if (node.tagName !== tagName || node.attributes !== attributes) { - return updateNode(createJsxSelfClosingElement(tagName, attributes, node), node); - } - return node; + ts.isSpreadElementExpression = isSpreadElementExpression; + function isExpressionWithTypeArguments(node) { + return node.kind === 195; } - ts.updateJsxSelfClosingElement = updateJsxSelfClosingElement; - function createJsxOpeningElement(tagName, attributes, location) { - var node = createNode(244, location); - node.tagName = tagName; - node.attributes = createNodeArray(attributes); - return node; + ts.isExpressionWithTypeArguments = isExpressionWithTypeArguments; + function isLeftHandSideExpressionKind(kind) { + return kind === 173 + || kind === 174 + || kind === 176 + || kind === 175 + || kind === 242 + || kind === 243 + || kind === 177 + || kind === 171 + || kind === 179 + || kind === 172 + || kind === 193 + || kind === 180 + || kind === 70 + || kind === 11 + || kind === 8 + || kind === 9 + || kind === 12 + || kind === 190 + || kind === 85 + || kind === 94 + || kind === 98 + || kind === 100 + || kind === 96 + || kind === 197; } - ts.createJsxOpeningElement = createJsxOpeningElement; - function updateJsxOpeningElement(node, tagName, attributes) { - if (node.tagName !== tagName || node.attributes !== attributes) { - return updateNode(createJsxOpeningElement(tagName, attributes, node), node); - } - return node; + function isLeftHandSideExpression(node) { + return isLeftHandSideExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); } - ts.updateJsxOpeningElement = updateJsxOpeningElement; - function createJsxClosingElement(tagName, location) { - var node = createNode(245, location); - node.tagName = tagName; - return node; + ts.isLeftHandSideExpression = isLeftHandSideExpression; + function isUnaryExpressionKind(kind) { + return kind === 186 + || kind === 187 + || kind === 182 + || kind === 183 + || kind === 184 + || kind === 185 + || kind === 178 + || isLeftHandSideExpressionKind(kind); } - ts.createJsxClosingElement = createJsxClosingElement; - function updateJsxClosingElement(node, tagName) { - if (node.tagName !== tagName) { - return updateNode(createJsxClosingElement(tagName, node), node); - } - return node; + function isUnaryExpression(node) { + return isUnaryExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); } - ts.updateJsxClosingElement = updateJsxClosingElement; - function createJsxAttribute(name, initializer, location) { - var node = createNode(246, location); - node.name = name; - node.initializer = initializer; - return node; + ts.isUnaryExpression = isUnaryExpression; + function isExpressionKind(kind) { + return kind === 189 + || kind === 191 + || kind === 181 + || kind === 188 + || kind === 192 + || kind === 196 + || kind === 194 + || isUnaryExpressionKind(kind); } - ts.createJsxAttribute = createJsxAttribute; - function updateJsxAttribute(node, name, initializer) { - if (node.name !== name || node.initializer !== initializer) { - return updateNode(createJsxAttribute(name, initializer, node), node); - } - return node; + function isExpression(node) { + return isExpressionKind(ts.skipPartiallyEmittedExpressions(node).kind); } - ts.updateJsxAttribute = updateJsxAttribute; - function createJsxSpreadAttribute(expression, location) { - var node = createNode(247, location); - node.expression = expression; - return node; + ts.isExpression = isExpression; + function isAssertionExpression(node) { + var kind = node.kind; + return kind === 178 + || kind === 196; } - ts.createJsxSpreadAttribute = createJsxSpreadAttribute; - function updateJsxSpreadAttribute(node, expression) { - if (node.expression !== expression) { - return updateNode(createJsxSpreadAttribute(expression, node), node); - } - return node; + ts.isAssertionExpression = isAssertionExpression; + function isPartiallyEmittedExpression(node) { + return node.kind === 288; } - ts.updateJsxSpreadAttribute = updateJsxSpreadAttribute; - function createJsxExpression(expression, location) { - var node = createNode(248, location); - node.expression = expression; - return node; + ts.isPartiallyEmittedExpression = isPartiallyEmittedExpression; + function isNotEmittedStatement(node) { + return node.kind === 287; } - ts.createJsxExpression = createJsxExpression; - function updateJsxExpression(node, expression) { - if (node.expression !== expression) { - return updateNode(createJsxExpression(expression, node), node); - } - return node; + ts.isNotEmittedStatement = isNotEmittedStatement; + function isNotEmittedOrPartiallyEmittedNode(node) { + return isNotEmittedStatement(node) + || isPartiallyEmittedExpression(node); } - ts.updateJsxExpression = updateJsxExpression; - function createHeritageClause(token, types, location) { - var node = createNode(251, location); - node.token = token; - node.types = createNodeArray(types); - return node; + ts.isNotEmittedOrPartiallyEmittedNode = isNotEmittedOrPartiallyEmittedNode; + function isOmittedExpression(node) { + return node.kind === 194; } - ts.createHeritageClause = createHeritageClause; - function updateHeritageClause(node, types) { - if (node.types !== types) { - return updateNode(createHeritageClause(node.token, types, node), node); - } - return node; + ts.isOmittedExpression = isOmittedExpression; + function isTemplateSpan(node) { + return node.kind === 198; } - ts.updateHeritageClause = updateHeritageClause; - function createCaseClause(expression, statements, location) { - var node = createNode(249, location); - node.expression = parenthesizeExpressionForList(expression); - node.statements = createNodeArray(statements); - return node; + ts.isTemplateSpan = isTemplateSpan; + function isBlock(node) { + return node.kind === 200; } - ts.createCaseClause = createCaseClause; - function updateCaseClause(node, expression, statements) { - if (node.expression !== expression || node.statements !== statements) { - return updateNode(createCaseClause(expression, statements, node), node); - } - return node; + ts.isBlock = isBlock; + function isConciseBody(node) { + return isBlock(node) + || isExpression(node); } - ts.updateCaseClause = updateCaseClause; - function createDefaultClause(statements, location) { - var node = createNode(250, location); - node.statements = createNodeArray(statements); - return node; + ts.isConciseBody = isConciseBody; + function isFunctionBody(node) { + return isBlock(node); } - ts.createDefaultClause = createDefaultClause; - function updateDefaultClause(node, statements) { - if (node.statements !== statements) { - return updateNode(createDefaultClause(statements, node), node); - } - return node; + ts.isFunctionBody = isFunctionBody; + function isForInitializer(node) { + return isVariableDeclarationList(node) + || isExpression(node); } - ts.updateDefaultClause = updateDefaultClause; - function createCatchClause(variableDeclaration, block, location) { - var node = createNode(252, location); - node.variableDeclaration = typeof variableDeclaration === "string" ? createVariableDeclaration(variableDeclaration) : variableDeclaration; - node.block = block; - return node; + ts.isForInitializer = isForInitializer; + function isVariableDeclaration(node) { + return node.kind === 219; } - ts.createCatchClause = createCatchClause; - function updateCatchClause(node, variableDeclaration, block) { - if (node.variableDeclaration !== variableDeclaration || node.block !== block) { - return updateNode(createCatchClause(variableDeclaration, block, node), node); - } - return node; + ts.isVariableDeclaration = isVariableDeclaration; + function isVariableDeclarationList(node) { + return node.kind === 220; } - ts.updateCatchClause = updateCatchClause; - function createPropertyAssignment(name, initializer, location) { - var node = createNode(253, location); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.questionToken = undefined; - node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; - return node; + ts.isVariableDeclarationList = isVariableDeclarationList; + function isCaseBlock(node) { + return node.kind === 228; } - ts.createPropertyAssignment = createPropertyAssignment; - function updatePropertyAssignment(node, name, initializer) { - if (node.name !== name || node.initializer !== initializer) { - return updateNode(createPropertyAssignment(name, initializer, node), node); - } - return node; + ts.isCaseBlock = isCaseBlock; + function isModuleBody(node) { + var kind = node.kind; + return kind === 227 + || kind === 226; } - ts.updatePropertyAssignment = updatePropertyAssignment; - function createShorthandPropertyAssignment(name, objectAssignmentInitializer, location) { - var node = createNode(254, location); - node.name = typeof name === "string" ? createIdentifier(name) : name; - node.objectAssignmentInitializer = objectAssignmentInitializer !== undefined ? parenthesizeExpressionForList(objectAssignmentInitializer) : undefined; - return node; + ts.isModuleBody = isModuleBody; + function isImportEqualsDeclaration(node) { + return node.kind === 230; } - ts.createShorthandPropertyAssignment = createShorthandPropertyAssignment; - function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) { - if (node.name !== name || node.objectAssignmentInitializer !== objectAssignmentInitializer) { - return updateNode(createShorthandPropertyAssignment(name, objectAssignmentInitializer, node), node); - } - return node; + ts.isImportEqualsDeclaration = isImportEqualsDeclaration; + function isImportClause(node) { + return node.kind === 232; } - ts.updateShorthandPropertyAssignment = updateShorthandPropertyAssignment; - function updateSourceFileNode(node, statements) { - if (node.statements !== statements) { - var updated = createNode(256, node, node.flags); - updated.statements = createNodeArray(statements); - updated.endOfFileToken = node.endOfFileToken; - updated.fileName = node.fileName; - updated.path = node.path; - updated.text = node.text; - if (node.amdDependencies !== undefined) - updated.amdDependencies = node.amdDependencies; - if (node.moduleName !== undefined) - updated.moduleName = node.moduleName; - if (node.referencedFiles !== undefined) - updated.referencedFiles = node.referencedFiles; - if (node.typeReferenceDirectives !== undefined) - updated.typeReferenceDirectives = node.typeReferenceDirectives; - if (node.languageVariant !== undefined) - updated.languageVariant = node.languageVariant; - if (node.isDeclarationFile !== undefined) - updated.isDeclarationFile = node.isDeclarationFile; - if (node.renamedDependencies !== undefined) - updated.renamedDependencies = node.renamedDependencies; - if (node.hasNoDefaultLib !== undefined) - updated.hasNoDefaultLib = node.hasNoDefaultLib; - if (node.languageVersion !== undefined) - updated.languageVersion = node.languageVersion; - if (node.scriptKind !== undefined) - updated.scriptKind = node.scriptKind; - if (node.externalModuleIndicator !== undefined) - updated.externalModuleIndicator = node.externalModuleIndicator; - if (node.commonJsModuleIndicator !== undefined) - updated.commonJsModuleIndicator = node.commonJsModuleIndicator; - if (node.identifiers !== undefined) - updated.identifiers = node.identifiers; - if (node.nodeCount !== undefined) - updated.nodeCount = node.nodeCount; - if (node.identifierCount !== undefined) - updated.identifierCount = node.identifierCount; - if (node.symbolCount !== undefined) - updated.symbolCount = node.symbolCount; - if (node.parseDiagnostics !== undefined) - updated.parseDiagnostics = node.parseDiagnostics; - if (node.bindDiagnostics !== undefined) - updated.bindDiagnostics = node.bindDiagnostics; - if (node.lineMap !== undefined) - updated.lineMap = node.lineMap; - if (node.classifiableNames !== undefined) - updated.classifiableNames = node.classifiableNames; - if (node.resolvedModules !== undefined) - updated.resolvedModules = node.resolvedModules; - if (node.resolvedTypeReferenceDirectiveNames !== undefined) - updated.resolvedTypeReferenceDirectiveNames = node.resolvedTypeReferenceDirectiveNames; - if (node.imports !== undefined) - updated.imports = node.imports; - if (node.moduleAugmentations !== undefined) - updated.moduleAugmentations = node.moduleAugmentations; - if (node.externalHelpersModuleName !== undefined) - updated.externalHelpersModuleName = node.externalHelpersModuleName; - return updateNode(updated, node); - } - return node; + ts.isImportClause = isImportClause; + function isNamedImportBindings(node) { + var kind = node.kind; + return kind === 234 + || kind === 233; } - ts.updateSourceFileNode = updateSourceFileNode; - function createNotEmittedStatement(original) { - var node = createNode(287, original); - node.original = original; - return node; + ts.isNamedImportBindings = isNamedImportBindings; + function isImportSpecifier(node) { + return node.kind === 235; } - ts.createNotEmittedStatement = createNotEmittedStatement; - function createPartiallyEmittedExpression(expression, original, location) { - var node = createNode(288, location || original); - node.expression = expression; - node.original = original; - return node; + ts.isImportSpecifier = isImportSpecifier; + function isNamedExports(node) { + return node.kind === 238; } - ts.createPartiallyEmittedExpression = createPartiallyEmittedExpression; - function updatePartiallyEmittedExpression(node, expression) { - if (node.expression !== expression) { - return updateNode(createPartiallyEmittedExpression(expression, node.original, node), node); - } - return node; + ts.isNamedExports = isNamedExports; + function isExportSpecifier(node) { + return node.kind === 239; } - ts.updatePartiallyEmittedExpression = updatePartiallyEmittedExpression; - function createComma(left, right) { - return createBinary(left, 25, right); + ts.isExportSpecifier = isExportSpecifier; + function isModuleOrEnumDeclaration(node) { + return node.kind === 226 || node.kind === 225; } - ts.createComma = createComma; - function createLessThan(left, right, location) { - return createBinary(left, 26, right, location); + ts.isModuleOrEnumDeclaration = isModuleOrEnumDeclaration; + function isDeclarationKind(kind) { + return kind === 181 + || kind === 170 + || kind === 222 + || kind === 193 + || kind === 149 + || kind === 225 + || kind === 255 + || kind === 239 + || kind === 221 + || kind === 180 + || kind === 150 + || kind === 232 + || kind === 230 + || kind === 235 + || kind === 223 + || kind === 148 + || kind === 147 + || kind === 226 + || kind === 229 + || kind === 233 + || kind === 143 + || kind === 253 + || kind === 146 + || kind === 145 + || kind === 151 + || kind === 254 + || kind === 224 + || kind === 142 + || kind === 219 + || kind === 279; } - ts.createLessThan = createLessThan; - function createAssignment(left, right, location) { - return createBinary(left, 57, right, location); + function isDeclarationStatementKind(kind) { + return kind === 221 + || kind === 240 + || kind === 222 + || kind === 223 + || kind === 224 + || kind === 225 + || kind === 226 + || kind === 231 + || kind === 230 + || kind === 237 + || kind === 236 + || kind === 229; } - ts.createAssignment = createAssignment; - function createStrictEquality(left, right) { - return createBinary(left, 33, right); + function isStatementKindButNotDeclarationKind(kind) { + return kind === 211 + || kind === 210 + || kind === 218 + || kind === 205 + || kind === 203 + || kind === 202 + || kind === 208 + || kind === 209 + || kind === 207 + || kind === 204 + || kind === 215 + || kind === 212 + || kind === 214 + || kind === 216 + || kind === 217 + || kind === 201 + || kind === 206 + || kind === 213 + || kind === 287; } - ts.createStrictEquality = createStrictEquality; - function createStrictInequality(left, right) { - return createBinary(left, 34, right); + function isDeclaration(node) { + return isDeclarationKind(node.kind); } - ts.createStrictInequality = createStrictInequality; - function createAdd(left, right) { - return createBinary(left, 36, right); + ts.isDeclaration = isDeclaration; + function isDeclarationStatement(node) { + return isDeclarationStatementKind(node.kind); } - ts.createAdd = createAdd; - function createSubtract(left, right) { - return createBinary(left, 37, right); + ts.isDeclarationStatement = isDeclarationStatement; + function isStatementButNotDeclaration(node) { + return isStatementKindButNotDeclarationKind(node.kind); } - ts.createSubtract = createSubtract; - function createPostfixIncrement(operand, location) { - return createPostfix(operand, 42, location); + ts.isStatementButNotDeclaration = isStatementButNotDeclaration; + function isStatement(node) { + var kind = node.kind; + return isStatementKindButNotDeclarationKind(kind) + || isDeclarationStatementKind(kind) + || kind === 200; } - ts.createPostfixIncrement = createPostfixIncrement; - function createLogicalAnd(left, right) { - return createBinary(left, 52, right); + ts.isStatement = isStatement; + function isModuleReference(node) { + var kind = node.kind; + return kind === 241 + || kind === 140 + || kind === 70; } - ts.createLogicalAnd = createLogicalAnd; - function createLogicalOr(left, right) { - return createBinary(left, 53, right); + ts.isModuleReference = isModuleReference; + function isJsxOpeningElement(node) { + return node.kind === 244; } - ts.createLogicalOr = createLogicalOr; - function createLogicalNot(operand) { - return createPrefix(50, operand); + ts.isJsxOpeningElement = isJsxOpeningElement; + function isJsxClosingElement(node) { + return node.kind === 245; } - ts.createLogicalNot = createLogicalNot; - function createVoidZero() { - return createVoid(createLiteral(0)); + ts.isJsxClosingElement = isJsxClosingElement; + function isJsxTagNameExpression(node) { + var kind = node.kind; + return kind === 98 + || kind === 70 + || kind === 173; } - ts.createVoidZero = createVoidZero; - function createMemberAccessForPropertyName(target, memberName, location) { - if (ts.isComputedPropertyName(memberName)) { - return createElementAccess(target, memberName.expression, location); - } - else { - var expression = ts.isIdentifier(memberName) ? createPropertyAccess(target, memberName, location) : createElementAccess(target, memberName, location); - (expression.emitNode || (expression.emitNode = {})).flags |= 2048; - return expression; - } + ts.isJsxTagNameExpression = isJsxTagNameExpression; + function isJsxChild(node) { + var kind = node.kind; + return kind === 242 + || kind === 248 + || kind === 243 + || kind === 10; } - ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName; - function createRestParameter(name) { - return createParameterDeclaration(undefined, undefined, createToken(23), name, undefined, undefined, undefined); + ts.isJsxChild = isJsxChild; + function isJsxAttributeLike(node) { + var kind = node.kind; + return kind === 246 + || kind === 247; } - ts.createRestParameter = createRestParameter; - function createFunctionCall(func, thisArg, argumentsList, location) { - return createCall(createPropertyAccess(func, "call"), undefined, [ - thisArg - ].concat(argumentsList), location); + ts.isJsxAttributeLike = isJsxAttributeLike; + function isJsxSpreadAttribute(node) { + return node.kind === 247; } - ts.createFunctionCall = createFunctionCall; - function createFunctionApply(func, thisArg, argumentsExpression, location) { - return createCall(createPropertyAccess(func, "apply"), undefined, [ - thisArg, - argumentsExpression - ], location); + ts.isJsxSpreadAttribute = isJsxSpreadAttribute; + function isJsxAttribute(node) { + return node.kind === 246; } - ts.createFunctionApply = createFunctionApply; - function createArraySlice(array, start) { - var argumentsList = []; - if (start !== undefined) { - argumentsList.push(typeof start === "number" ? createLiteral(start) : start); - } - return createCall(createPropertyAccess(array, "slice"), undefined, argumentsList); + ts.isJsxAttribute = isJsxAttribute; + function isStringLiteralOrJsxExpression(node) { + var kind = node.kind; + return kind === 9 + || kind === 248; } - ts.createArraySlice = createArraySlice; - function createArrayConcat(array, values) { - return createCall(createPropertyAccess(array, "concat"), undefined, values); + ts.isStringLiteralOrJsxExpression = isStringLiteralOrJsxExpression; + function isCaseOrDefaultClause(node) { + var kind = node.kind; + return kind === 249 + || kind === 250; } - ts.createArrayConcat = createArrayConcat; - function createMathPow(left, right, location) { - return createCall(createPropertyAccess(createIdentifier("Math"), "pow"), undefined, [left, right], location); + ts.isCaseOrDefaultClause = isCaseOrDefaultClause; + function isHeritageClause(node) { + return node.kind === 251; } - ts.createMathPow = createMathPow; - function createReactNamespace(reactNamespace, parent) { - var react = createIdentifier(reactNamespace || "React"); - react.flags &= ~8; - react.parent = parent; - return react; + ts.isHeritageClause = isHeritageClause; + function isCatchClause(node) { + return node.kind === 252; } - function createReactCreateElement(reactNamespace, tagName, props, children, parentElement, location) { - var argumentsList = [tagName]; - if (props) { - argumentsList.push(props); - } - if (children && children.length > 0) { - if (!props) { - argumentsList.push(createNull()); - } - if (children.length > 1) { - for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { - var child = children_1[_i]; - child.startsOnNewLine = true; - argumentsList.push(child); - } - } - else { - argumentsList.push(children[0]); - } - } - return createCall(createPropertyAccess(createReactNamespace(reactNamespace, parentElement), "createElement"), undefined, argumentsList, location); + ts.isCatchClause = isCatchClause; + function isPropertyAssignment(node) { + return node.kind === 253; } - ts.createReactCreateElement = createReactCreateElement; - function createLetDeclarationList(declarations, location) { - return createVariableDeclarationList(declarations, location, 1); + ts.isPropertyAssignment = isPropertyAssignment; + function isShorthandPropertyAssignment(node) { + return node.kind === 254; } - ts.createLetDeclarationList = createLetDeclarationList; - function createConstDeclarationList(declarations, location) { - return createVariableDeclarationList(declarations, location, 2); + ts.isShorthandPropertyAssignment = isShorthandPropertyAssignment; + function isEnumMember(node) { + return node.kind === 255; } - ts.createConstDeclarationList = createConstDeclarationList; - function createHelperName(externalHelpersModuleName, name) { - return externalHelpersModuleName - ? createPropertyAccess(externalHelpersModuleName, name) - : createIdentifier(name); + ts.isEnumMember = isEnumMember; + function isSourceFile(node) { + return node.kind === 256; } - ts.createHelperName = createHelperName; - function createExtendsHelper(externalHelpersModuleName, name) { - return createCall(createHelperName(externalHelpersModuleName, "__extends"), undefined, [ - name, - createIdentifier("_super") - ]); + ts.isSourceFile = isSourceFile; + function isWatchSet(options) { + return options.watch && options.hasOwnProperty("watch"); } - ts.createExtendsHelper = createExtendsHelper; - function createAssignHelper(externalHelpersModuleName, attributesSegments) { - return createCall(createHelperName(externalHelpersModuleName, "__assign"), undefined, attributesSegments); + ts.isWatchSet = isWatchSet; +})(ts || (ts = {})); +(function (ts) { + function getDefaultLibFileName(options) { + switch (options.target) { + case 4: + return "lib.es2017.d.ts"; + case 3: + return "lib.es2016.d.ts"; + case 2: + return "lib.es6.d.ts"; + default: + return "lib.d.ts"; + } } - ts.createAssignHelper = createAssignHelper; - function createParamHelper(externalHelpersModuleName, expression, parameterOffset, location) { - return createCall(createHelperName(externalHelpersModuleName, "__param"), undefined, [ - createLiteral(parameterOffset), - expression - ], location); + ts.getDefaultLibFileName = getDefaultLibFileName; + function textSpanEnd(span) { + return span.start + span.length; } - ts.createParamHelper = createParamHelper; - function createMetadataHelper(externalHelpersModuleName, metadataKey, metadataValue) { - return createCall(createHelperName(externalHelpersModuleName, "__metadata"), undefined, [ - createLiteral(metadataKey), - metadataValue - ]); + ts.textSpanEnd = textSpanEnd; + function textSpanIsEmpty(span) { + return span.length === 0; } - ts.createMetadataHelper = createMetadataHelper; - function createDecorateHelper(externalHelpersModuleName, decoratorExpressions, target, memberName, descriptor, location) { - var argumentsArray = []; - argumentsArray.push(createArrayLiteral(decoratorExpressions, undefined, true)); - argumentsArray.push(target); - if (memberName) { - argumentsArray.push(memberName); - if (descriptor) { - argumentsArray.push(descriptor); - } - } - return createCall(createHelperName(externalHelpersModuleName, "__decorate"), undefined, argumentsArray, location); + ts.textSpanIsEmpty = textSpanIsEmpty; + function textSpanContainsPosition(span, position) { + return position >= span.start && position < textSpanEnd(span); } - ts.createDecorateHelper = createDecorateHelper; - function createAwaiterHelper(externalHelpersModuleName, hasLexicalArguments, promiseConstructor, body) { - var generatorFunc = createFunctionExpression(undefined, createToken(38), undefined, undefined, [], undefined, body); - (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 2097152; - return createCall(createHelperName(externalHelpersModuleName, "__awaiter"), undefined, [ - createThis(), - hasLexicalArguments ? createIdentifier("arguments") : createVoidZero(), - promiseConstructor ? createExpressionFromEntityName(promiseConstructor) : createVoidZero(), - generatorFunc - ]); + ts.textSpanContainsPosition = textSpanContainsPosition; + function textSpanContainsTextSpan(span, other) { + return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); } - ts.createAwaiterHelper = createAwaiterHelper; - function createHasOwnProperty(target, propertyName) { - return createCall(createPropertyAccess(target, "hasOwnProperty"), undefined, [propertyName]); + ts.textSpanContainsTextSpan = textSpanContainsTextSpan; + function textSpanOverlapsWith(span, other) { + var overlapStart = Math.max(span.start, other.start); + var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); + return overlapStart < overlapEnd; } - ts.createHasOwnProperty = createHasOwnProperty; - function createObjectCreate(prototype) { - return createCall(createPropertyAccess(createIdentifier("Object"), "create"), undefined, [prototype]); + ts.textSpanOverlapsWith = textSpanOverlapsWith; + function textSpanOverlap(span1, span2) { + var overlapStart = Math.max(span1.start, span2.start); + var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (overlapStart < overlapEnd) { + return createTextSpanFromBounds(overlapStart, overlapEnd); + } + return undefined; } - function createGeti(target) { - return createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createElementAccess(target, createIdentifier("name"))); + ts.textSpanOverlap = textSpanOverlap; + function textSpanIntersectsWithTextSpan(span, other) { + return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; } - function createSeti(target) { - return createArrowFunction(undefined, undefined, [ - createParameter("name"), - createParameter("value") - ], undefined, undefined, createAssignment(createElementAccess(target, createIdentifier("name")), createIdentifier("value"))); + ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; + function textSpanIntersectsWith(span, start, length) { + var end = start + length; + return start <= textSpanEnd(span) && end >= span.start; } - function createAdvancedAsyncSuperHelper() { - var createCache = createVariableStatement(undefined, createConstDeclarationList([ - createVariableDeclaration("cache", undefined, createObjectCreate(createNull())) - ])); - var getter = createGetAccessor(undefined, undefined, "value", [], undefined, createBlock([ - createReturn(createCall(createIdentifier("geti"), undefined, [createIdentifier("name")])) - ])); - var setter = createSetAccessor(undefined, undefined, "value", [createParameter("v")], createBlock([ - createStatement(createCall(createIdentifier("seti"), undefined, [ - createIdentifier("name"), - createIdentifier("v") - ])) - ])); - var getOrCreateAccessorsForName = createReturn(createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createLogicalOr(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createParen(createAssignment(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createObjectLiteral([ - getter, - setter - ])))))); - return createVariableStatement(undefined, createConstDeclarationList([ - createVariableDeclaration("_super", undefined, createCall(createParen(createFunctionExpression(undefined, undefined, undefined, undefined, [ - createParameter("geti"), - createParameter("seti") - ], undefined, createBlock([ - createCache, - getOrCreateAccessorsForName - ]))), undefined, [ - createGeti(createSuper()), - createSeti(createSuper()) - ])) - ])); + ts.textSpanIntersectsWith = textSpanIntersectsWith; + function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { + var end1 = start1 + length1; + var end2 = start2 + length2; + return start2 <= end1 && end2 >= start1; } - ts.createAdvancedAsyncSuperHelper = createAdvancedAsyncSuperHelper; - function createSimpleAsyncSuperHelper() { - return createVariableStatement(undefined, createConstDeclarationList([ - createVariableDeclaration("_super", undefined, createGeti(createSuper())) - ])); + ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; + function textSpanIntersectsWithPosition(span, position) { + return position <= textSpanEnd(span) && position >= span.start; } - ts.createSimpleAsyncSuperHelper = createSimpleAsyncSuperHelper; - function shouldBeCapturedInTempVariable(node, cacheIdentifiers) { - var target = skipParentheses(node); - switch (target.kind) { - case 70: - return cacheIdentifiers; - case 98: - case 8: - case 9: - return false; - case 171: - var elements = target.elements; - if (elements.length === 0) { - return false; - } - return true; - case 172: - return target.properties.length > 0; - default: - return true; + ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; + function textSpanIntersection(span1, span2) { + var intersectStart = Math.max(span1.start, span2.start); + var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (intersectStart <= intersectEnd) { + return createTextSpanFromBounds(intersectStart, intersectEnd); } + return undefined; } - function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) { - var callee = skipOuterExpressions(expression, 7); - var thisArg; - var target; - if (ts.isSuperProperty(callee)) { - thisArg = createThis(); - target = callee; - } - else if (callee.kind === 96) { - thisArg = createThis(); - target = languageVersion < 2 ? createIdentifier("_super", callee) : callee; + ts.textSpanIntersection = textSpanIntersection; + function createTextSpan(start, length) { + if (start < 0) { + throw new Error("start < 0"); } - else { - switch (callee.kind) { - case 173: { - if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { - thisArg = createTempVariable(recordTempVariable); - target = createPropertyAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.name, callee); - } - else { - thisArg = callee.expression; - target = callee; - } - break; - } - case 174: { - if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { - thisArg = createTempVariable(recordTempVariable); - target = createElementAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.argumentExpression, callee); - } - else { - thisArg = callee.expression; - target = callee; - } - break; - } - default: { - thisArg = createVoidZero(); - target = parenthesizeForAccess(expression); - break; - } - } + if (length < 0) { + throw new Error("length < 0"); } - return { target: target, thisArg: thisArg }; + return { start: start, length: length }; } - ts.createCallBinding = createCallBinding; - function inlineExpressions(expressions) { - return ts.reduceLeft(expressions, createComma); + ts.createTextSpan = createTextSpan; + function createTextSpanFromBounds(start, end) { + return createTextSpan(start, end - start); } - ts.inlineExpressions = inlineExpressions; - function createExpressionFromEntityName(node) { - if (ts.isQualifiedName(node)) { - var left = createExpressionFromEntityName(node.left); - var right = getMutableClone(node.right); - return createPropertyAccess(left, right, node); - } - else { - return getMutableClone(node); - } + ts.createTextSpanFromBounds = createTextSpanFromBounds; + function textChangeRangeNewSpan(range) { + return createTextSpan(range.span.start, range.newLength); } - ts.createExpressionFromEntityName = createExpressionFromEntityName; - function createExpressionForPropertyName(memberName) { - if (ts.isIdentifier(memberName)) { - return createLiteral(memberName, undefined); + ts.textChangeRangeNewSpan = textChangeRangeNewSpan; + function textChangeRangeIsUnchanged(range) { + return textSpanIsEmpty(range.span) && range.newLength === 0; + } + ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; + function createTextChangeRange(span, newLength) { + if (newLength < 0) { + throw new Error("newLength < 0"); } - else if (ts.isComputedPropertyName(memberName)) { - return getMutableClone(memberName.expression); + return { span: span, newLength: newLength }; + } + ts.createTextChangeRange = createTextChangeRange; + ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); + function collapseTextChangeRangesAcrossMultipleVersions(changes) { + if (changes.length === 0) { + return ts.unchangedTextChangeRange; } - else { - return getMutableClone(memberName); + if (changes.length === 1) { + return changes[0]; } - } - ts.createExpressionForPropertyName = createExpressionForPropertyName; - function createExpressionForObjectLiteralElementLike(node, property, receiver) { - switch (property.kind) { - case 150: - case 151: - return createExpressionForAccessorDeclaration(node.properties, property, receiver, node.multiLine); - case 253: - return createExpressionForPropertyAssignment(property, receiver); - case 254: - return createExpressionForShorthandPropertyAssignment(property, receiver); - case 148: - return createExpressionForMethodDeclaration(property, receiver); + var change0 = changes[0]; + var oldStartN = change0.span.start; + var oldEndN = textSpanEnd(change0.span); + var newEndN = oldStartN + change0.newLength; + for (var i = 1; i < changes.length; i++) { + var nextChange = changes[i]; + var oldStart1 = oldStartN; + var oldEnd1 = oldEndN; + var newEnd1 = newEndN; + var oldStart2 = nextChange.span.start; + var oldEnd2 = textSpanEnd(nextChange.span); + var newEnd2 = oldStart2 + nextChange.newLength; + oldStartN = Math.min(oldStart1, oldStart2); + oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); + newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); } + return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); } - ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike; - function createExpressionForAccessorDeclaration(properties, property, receiver, multiLine) { - var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; - if (property === firstAccessor) { - var properties_1 = []; - if (getAccessor) { - var getterFunction = createFunctionExpression(getAccessor.modifiers, undefined, undefined, undefined, getAccessor.parameters, undefined, getAccessor.body, getAccessor); - setOriginalNode(getterFunction, getAccessor); - var getter = createPropertyAssignment("get", getterFunction); - properties_1.push(getter); - } - if (setAccessor) { - var setterFunction = createFunctionExpression(setAccessor.modifiers, undefined, undefined, undefined, setAccessor.parameters, undefined, setAccessor.body, setAccessor); - setOriginalNode(setterFunction, setAccessor); - var setter = createPropertyAssignment("set", setterFunction); - properties_1.push(setter); + ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; + function getTypeParameterOwner(d) { + if (d && d.kind === 142) { + for (var current = d; current; current = current.parent) { + if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 223) { + return current; + } } - properties_1.push(createPropertyAssignment("enumerable", createLiteral(true))); - properties_1.push(createPropertyAssignment("configurable", createLiteral(true))); - var expression = createCall(createPropertyAccess(createIdentifier("Object"), "defineProperty"), undefined, [ - receiver, - createExpressionForPropertyName(property.name), - createObjectLiteral(properties_1, undefined, multiLine) - ], firstAccessor); - return ts.aggregateTransformFlags(expression); } - return undefined; - } - function createExpressionForPropertyAssignment(property, receiver) { - return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), property.initializer, property), property)); } - function createExpressionForShorthandPropertyAssignment(property, receiver) { - return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), getSynthesizedClone(property.name), property), property)); - } - function createExpressionForMethodDeclaration(method, receiver) { - return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, method.name, method.name), setOriginalNode(createFunctionExpression(method.modifiers, method.asteriskToken, undefined, undefined, method.parameters, undefined, method.body, method), method), method), method)); + ts.getTypeParameterOwner = getTypeParameterOwner; + function isParameterPropertyDeclaration(node) { + return ts.hasModifier(node, 92) && node.parent.kind === 149 && ts.isClassLike(node.parent.parent); } - function isUseStrictPrologue(node) { - return node.expression.text === "use strict"; + ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; + function walkUpBindingElementsAndPatterns(node) { + while (node && (node.kind === 170 || ts.isBindingPattern(node))) { + node = node.parent; + } + return node; } - function addPrologueDirectives(target, source, ensureUseStrict, visitor) { - ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array"); - var foundUseStrict = false; - var statementOffset = 0; - var numStatements = source.length; - while (statementOffset < numStatements) { - var statement = source[statementOffset]; - if (ts.isPrologueDirective(statement)) { - if (isUseStrictPrologue(statement)) { - foundUseStrict = true; - } - target.push(statement); - } - else { - break; - } - statementOffset++; + function getCombinedModifierFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = ts.getModifierFlags(node); + if (node.kind === 219) { + node = node.parent; } - if (ensureUseStrict && !foundUseStrict) { - target.push(startOnNewLine(createStatement(createLiteral("use strict")))); + if (node && node.kind === 220) { + flags |= ts.getModifierFlags(node); + node = node.parent; } - while (statementOffset < numStatements) { - var statement = source[statementOffset]; - if (getEmitFlags(statement) & 8388608) { - target.push(visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement); - } - else { - break; - } - statementOffset++; + if (node && node.kind === 201) { + flags |= ts.getModifierFlags(node); } - return statementOffset; + return flags; } - ts.addPrologueDirectives = addPrologueDirectives; - function ensureUseStrict(node) { - var foundUseStrict = false; - for (var _i = 0, _a = node.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - if (ts.isPrologueDirective(statement)) { - if (isUseStrictPrologue(statement)) { - foundUseStrict = true; - break; - } - } - else { - break; - } + ts.getCombinedModifierFlags = getCombinedModifierFlags; + function getCombinedNodeFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = node.flags; + if (node.kind === 219) { + node = node.parent; } - if (!foundUseStrict) { - var statements = []; - statements.push(startOnNewLine(createStatement(createLiteral("use strict")))); - return updateSourceFileNode(node, statements.concat(node.statements)); + if (node && node.kind === 220) { + flags |= node.flags; + node = node.parent; + } + if (node && node.kind === 201) { + flags |= node.flags; } + return flags; + } + ts.getCombinedNodeFlags = getCombinedNodeFlags; +})(ts || (ts = {})); +var ts; +(function (ts) { + var NodeConstructor; + var SourceFileConstructor; + function createNode(kind, location, flags) { + var ConstructorForKind = kind === 256 + ? (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor())) + : (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor())); + var node = location + ? new ConstructorForKind(kind, location.pos, location.end) + : new ConstructorForKind(kind, -1, -1); + node.flags = flags | 8; return node; } - ts.ensureUseStrict = ensureUseStrict; - function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { - var skipped = skipPartiallyEmittedExpressions(operand); - if (skipped.kind === 179) { - return operand; + function updateNode(updated, original) { + if (updated !== original) { + setOriginalNode(updated, original); + if (original.startsOnNewLine) { + updated.startsOnNewLine = true; + } + ts.aggregateTransformFlags(updated); } - return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) - ? createParen(operand) - : operand; + return updated; } - ts.parenthesizeBinaryOperand = parenthesizeBinaryOperand; - function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { - var binaryOperatorPrecedence = ts.getOperatorPrecedence(188, binaryOperator); - var binaryOperatorAssociativity = ts.getOperatorAssociativity(188, binaryOperator); - var emittedOperand = skipPartiallyEmittedExpressions(operand); - var operandPrecedence = ts.getExpressionPrecedence(emittedOperand); - switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) { - case -1: - if (!isLeftSideOfBinary - && binaryOperatorAssociativity === 1 - && operand.kind === 191) { - return false; - } - return true; - case 1: - return false; - case 0: - if (isLeftSideOfBinary) { - return binaryOperatorAssociativity === 1; - } - else { - if (ts.isBinaryExpression(emittedOperand) - && emittedOperand.operatorToken.kind === binaryOperator) { - if (operatorHasAssociativeProperty(binaryOperator)) { - return false; - } - if (binaryOperator === 36) { - var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0; - if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) { - return false; - } - } - } - var operandAssociativity = ts.getExpressionAssociativity(emittedOperand); - return operandAssociativity === 0; - } + ts.updateNode = updateNode; + function createNodeArray(elements, location, hasTrailingComma) { + if (elements) { + if (ts.isNodeArray(elements)) { + return elements; + } } - } - function operatorHasAssociativeProperty(binaryOperator) { - return binaryOperator === 38 - || binaryOperator === 48 - || binaryOperator === 47 - || binaryOperator === 49; - } - function getLiteralKindOfBinaryPlusOperand(node) { - node = skipPartiallyEmittedExpressions(node); - if (ts.isLiteralKind(node.kind)) { - return node.kind; + else { + elements = []; } - if (node.kind === 188 && node.operatorToken.kind === 36) { - if (node.cachedLiteralKind !== undefined) { - return node.cachedLiteralKind; - } - var leftKind = getLiteralKindOfBinaryPlusOperand(node.left); - var literalKind = ts.isLiteralKind(leftKind) - && leftKind === getLiteralKindOfBinaryPlusOperand(node.right) - ? leftKind - : 0; - node.cachedLiteralKind = literalKind; - return literalKind; + var array = elements; + if (location) { + array.pos = location.pos; + array.end = location.end; } - return 0; - } - function parenthesizeForNew(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - switch (emittedExpression.kind) { - case 175: - return createParen(expression); - case 176: - return emittedExpression.arguments - ? expression - : createParen(expression); + else { + array.pos = -1; + array.end = -1; } - return parenthesizeForAccess(expression); - } - ts.parenthesizeForNew = parenthesizeForNew; - function parenthesizeForAccess(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - if (ts.isLeftHandSideExpression(emittedExpression) - && (emittedExpression.kind !== 176 || emittedExpression.arguments) - && emittedExpression.kind !== 8) { - return expression; + if (hasTrailingComma) { + array.hasTrailingComma = true; } - return createParen(expression, expression); + return array; } - ts.parenthesizeForAccess = parenthesizeForAccess; - function parenthesizePostfixOperand(operand) { - return ts.isLeftHandSideExpression(operand) - ? operand - : createParen(operand, operand); + ts.createNodeArray = createNodeArray; + function createSynthesizedNode(kind, startsOnNewLine) { + var node = createNode(kind, undefined); + node.startsOnNewLine = startsOnNewLine; + return node; } - ts.parenthesizePostfixOperand = parenthesizePostfixOperand; - function parenthesizePrefixOperand(operand) { - return ts.isUnaryExpression(operand) - ? operand - : createParen(operand, operand); + ts.createSynthesizedNode = createSynthesizedNode; + function createSynthesizedNodeArray(elements) { + return createNodeArray(elements, undefined); } - ts.parenthesizePrefixOperand = parenthesizePrefixOperand; - function parenthesizeListElements(elements) { - var result; - for (var i = 0; i < elements.length; i++) { - var element = parenthesizeExpressionForList(elements[i]); - if (result !== undefined || element !== elements[i]) { - if (result === undefined) { - result = elements.slice(0, i); - } - result.push(element); + ts.createSynthesizedNodeArray = createSynthesizedNodeArray; + function getSynthesizedClone(node) { + var clone = createNode(node.kind, undefined, node.flags); + setOriginalNode(clone, node); + for (var key in node) { + if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { + continue; } + clone[key] = node[key]; } - if (result !== undefined) { - return createNodeArray(result, elements, elements.hasTrailingComma); - } - return elements; + return clone; } - function parenthesizeExpressionForList(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression); - var commaPrecedence = ts.getOperatorPrecedence(188, 25); - return expressionPrecedence > commaPrecedence - ? expression - : createParen(expression, expression); + ts.getSynthesizedClone = getSynthesizedClone; + function getMutableClone(node) { + var clone = getSynthesizedClone(node); + clone.pos = node.pos; + clone.end = node.end; + clone.parent = node.parent; + return clone; } - ts.parenthesizeExpressionForList = parenthesizeExpressionForList; - function parenthesizeExpressionForExpressionStatement(expression) { - var emittedExpression = skipPartiallyEmittedExpressions(expression); - if (ts.isCallExpression(emittedExpression)) { - var callee = emittedExpression.expression; - var kind = skipPartiallyEmittedExpressions(callee).kind; - if (kind === 180 || kind === 181) { - var mutableCall = getMutableClone(emittedExpression); - mutableCall.expression = createParen(callee, callee); - return recreatePartiallyEmittedExpressions(expression, mutableCall); - } + ts.getMutableClone = getMutableClone; + function createLiteral(value, location) { + if (typeof value === "number") { + var node = createNode(8, location, undefined); + node.text = value.toString(); + return node; } - else { - var leftmostExpressionKind = getLeftmostExpression(emittedExpression).kind; - if (leftmostExpressionKind === 172 || leftmostExpressionKind === 180) { - return createParen(expression, expression); - } + else if (typeof value === "boolean") { + return createNode(value ? 100 : 85, location, undefined); } - return expression; - } - ts.parenthesizeExpressionForExpressionStatement = parenthesizeExpressionForExpressionStatement; - function recreatePartiallyEmittedExpressions(originalOuterExpression, newInnerExpression) { - if (ts.isPartiallyEmittedExpression(originalOuterExpression)) { - var clone_1 = getMutableClone(originalOuterExpression); - clone_1.expression = recreatePartiallyEmittedExpressions(clone_1.expression, newInnerExpression); - return clone_1; + else if (typeof value === "string") { + var node = createNode(9, location, undefined); + node.text = value; + return node; } - return newInnerExpression; - } - function getLeftmostExpression(node) { - while (true) { - switch (node.kind) { - case 187: - node = node.operand; - continue; - case 188: - node = node.left; - continue; - case 189: - node = node.condition; - continue; - case 175: - case 174: - case 173: - node = node.expression; - continue; - case 288: - node = node.expression; - continue; - } + else if (value) { + var node = createNode(9, location, undefined); + node.textSourceNode = value; + node.text = value.text; return node; } } - function parenthesizeConciseBody(body) { - var emittedBody = skipPartiallyEmittedExpressions(body); - if (emittedBody.kind === 172) { - return createParen(body, body); - } - return body; - } - ts.parenthesizeConciseBody = parenthesizeConciseBody; - (function (OuterExpressionKinds) { - OuterExpressionKinds[OuterExpressionKinds["Parentheses"] = 1] = "Parentheses"; - OuterExpressionKinds[OuterExpressionKinds["Assertions"] = 2] = "Assertions"; - OuterExpressionKinds[OuterExpressionKinds["PartiallyEmittedExpressions"] = 4] = "PartiallyEmittedExpressions"; - OuterExpressionKinds[OuterExpressionKinds["All"] = 7] = "All"; - })(ts.OuterExpressionKinds || (ts.OuterExpressionKinds = {})); - var OuterExpressionKinds = ts.OuterExpressionKinds; - function skipOuterExpressions(node, kinds) { - if (kinds === void 0) { kinds = 7; } - var previousNode; - do { - previousNode = node; - if (kinds & 1) { - node = skipParentheses(node); - } - if (kinds & 2) { - node = skipAssertions(node); - } - if (kinds & 4) { - node = skipPartiallyEmittedExpressions(node); - } - } while (previousNode !== node); + ts.createLiteral = createLiteral; + var nextAutoGenerateId = 0; + function createIdentifier(text, location) { + var node = createNode(70, location); + node.text = ts.escapeIdentifier(text); + node.originalKeywordKind = ts.stringToToken(text); + node.autoGenerateKind = 0; + node.autoGenerateId = 0; return node; } - ts.skipOuterExpressions = skipOuterExpressions; - function skipParentheses(node) { - while (node.kind === 179) { - node = node.expression; + ts.createIdentifier = createIdentifier; + function createTempVariable(recordTempVariable, location) { + var name = createNode(70, location); + name.text = ""; + name.originalKeywordKind = 0; + name.autoGenerateKind = 1; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + if (recordTempVariable) { + recordTempVariable(name); } + return name; + } + ts.createTempVariable = createTempVariable; + function createLoopVariable(location) { + var name = createNode(70, location); + name.text = ""; + name.originalKeywordKind = 0; + name.autoGenerateKind = 2; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + return name; + } + ts.createLoopVariable = createLoopVariable; + function createUniqueName(text, location) { + var name = createNode(70, location); + name.text = text; + name.originalKeywordKind = 0; + name.autoGenerateKind = 3; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + return name; + } + ts.createUniqueName = createUniqueName; + function getGeneratedNameForNode(node, location) { + var name = createNode(70, location); + name.original = node; + name.text = ""; + name.originalKeywordKind = 0; + name.autoGenerateKind = 4; + name.autoGenerateId = nextAutoGenerateId; + nextAutoGenerateId++; + return name; + } + ts.getGeneratedNameForNode = getGeneratedNameForNode; + function createToken(token) { + return createNode(token); + } + ts.createToken = createToken; + function createSuper() { + var node = createNode(96); return node; } - ts.skipParentheses = skipParentheses; - function skipAssertions(node) { - while (ts.isAssertionExpression(node)) { - node = node.expression; - } + ts.createSuper = createSuper; + function createThis(location) { + var node = createNode(98, location); return node; } - ts.skipAssertions = skipAssertions; - function skipPartiallyEmittedExpressions(node) { - while (node.kind === 288) { - node = node.expression; - } + ts.createThis = createThis; + function createNull() { + var node = createNode(94); return node; } - ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions; - function startOnNewLine(node) { - node.startsOnNewLine = true; + ts.createNull = createNull; + function createComputedPropertyName(expression, location) { + var node = createNode(141, location); + node.expression = expression; return node; } - ts.startOnNewLine = startOnNewLine; - function setOriginalNode(node, original) { - node.original = original; - if (original) { - var emitNode = original.emitNode; - if (emitNode) - node.emitNode = mergeEmitNode(emitNode, node.emitNode); + ts.createComputedPropertyName = createComputedPropertyName; + function updateComputedPropertyName(node, expression) { + if (node.expression !== expression) { + return updateNode(createComputedPropertyName(expression, node), node); } return node; } - ts.setOriginalNode = setOriginalNode; - function mergeEmitNode(sourceEmitNode, destEmitNode) { - var flags = sourceEmitNode.flags, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges; - if (!destEmitNode && (flags || commentRange || sourceMapRange || tokenSourceMapRanges)) - destEmitNode = {}; - if (flags) - destEmitNode.flags = flags; - if (commentRange) - destEmitNode.commentRange = commentRange; - if (sourceMapRange) - destEmitNode.sourceMapRange = sourceMapRange; - if (tokenSourceMapRanges) - destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges); - return destEmitNode; + ts.updateComputedPropertyName = updateComputedPropertyName; + function createParameter(name, initializer, location) { + return createParameterDeclaration(undefined, undefined, undefined, name, undefined, undefined, initializer, location); } - function mergeTokenSourceMapRanges(sourceRanges, destRanges) { - if (!destRanges) - destRanges = ts.createMap(); - ts.copyProperties(sourceRanges, destRanges); - return destRanges; + ts.createParameter = createParameter; + function createParameterDeclaration(decorators, modifiers, dotDotDotToken, name, questionToken, type, initializer, location, flags) { + var node = createNode(143, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.dotDotDotToken = dotDotDotToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.questionToken = questionToken; + node.type = type; + node.initializer = initializer ? parenthesizeExpressionForList(initializer) : undefined; + return node; } - function disposeEmitNodes(sourceFile) { - sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile)); - var emitNode = sourceFile && sourceFile.emitNode; - var annotatedNodes = emitNode && emitNode.annotatedNodes; - if (annotatedNodes) { - for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) { - var node = annotatedNodes_1[_i]; - node.emitNode = undefined; - } + ts.createParameterDeclaration = createParameterDeclaration; + function updateParameterDeclaration(node, decorators, modifiers, name, type, initializer) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { + return updateNode(createParameterDeclaration(decorators, modifiers, node.dotDotDotToken, name, node.questionToken, type, initializer, node, node.flags), node); } + return node; } - ts.disposeEmitNodes = disposeEmitNodes; - function getOrCreateEmitNode(node) { - if (!node.emitNode) { - if (ts.isParseTreeNode(node)) { - if (node.kind === 256) { - return node.emitNode = { annotatedNodes: [node] }; - } - var sourceFile = ts.getSourceFileOfNode(node); - getOrCreateEmitNode(sourceFile).annotatedNodes.push(node); - } - node.emitNode = {}; - } - return node.emitNode; + ts.updateParameterDeclaration = updateParameterDeclaration; + function createProperty(decorators, modifiers, name, questionToken, type, initializer, location) { + var node = createNode(146, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.questionToken = questionToken; + node.type = type; + node.initializer = initializer; + return node; } - function getEmitFlags(node) { - var emitNode = node.emitNode; - return emitNode && emitNode.flags; + ts.createProperty = createProperty; + function updateProperty(node, decorators, modifiers, name, type, initializer) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.type !== type || node.initializer !== initializer) { + return updateNode(createProperty(decorators, modifiers, name, node.questionToken, type, initializer, node), node); + } + return node; } - ts.getEmitFlags = getEmitFlags; - function setEmitFlags(node, emitFlags) { - getOrCreateEmitNode(node).flags = emitFlags; + ts.updateProperty = updateProperty; + function createMethod(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { + var node = createNode(148, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.asteriskToken = asteriskToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; return node; } - ts.setEmitFlags = setEmitFlags; - function setSourceMapRange(node, range) { - getOrCreateEmitNode(node).sourceMapRange = range; + ts.createMethod = createMethod; + function updateMethod(node, decorators, modifiers, name, typeParameters, parameters, type, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createMethod(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); + } return node; } - ts.setSourceMapRange = setSourceMapRange; - function setTokenSourceMapRange(node, token, range) { - var emitNode = getOrCreateEmitNode(node); - var tokenSourceMapRanges = emitNode.tokenSourceMapRanges || (emitNode.tokenSourceMapRanges = ts.createMap()); - tokenSourceMapRanges[token] = range; + ts.updateMethod = updateMethod; + function createConstructor(decorators, modifiers, parameters, body, location, flags) { + var node = createNode(149, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.typeParameters = undefined; + node.parameters = createNodeArray(parameters); + node.type = undefined; + node.body = body; return node; } - ts.setTokenSourceMapRange = setTokenSourceMapRange; - function setCommentRange(node, range) { - getOrCreateEmitNode(node).commentRange = range; + ts.createConstructor = createConstructor; + function updateConstructor(node, decorators, modifiers, parameters, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.parameters !== parameters || node.body !== body) { + return updateNode(createConstructor(decorators, modifiers, parameters, body, node, node.flags), node); + } return node; } - ts.setCommentRange = setCommentRange; - function getCommentRange(node) { - var emitNode = node.emitNode; - return (emitNode && emitNode.commentRange) || node; + ts.updateConstructor = updateConstructor; + function createGetAccessor(decorators, modifiers, name, parameters, type, body, location, flags) { + var node = createNode(150, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; + return node; } - ts.getCommentRange = getCommentRange; - function getSourceMapRange(node) { - var emitNode = node.emitNode; - return (emitNode && emitNode.sourceMapRange) || node; + ts.createGetAccessor = createGetAccessor; + function updateGetAccessor(node, decorators, modifiers, name, parameters, type, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createGetAccessor(decorators, modifiers, name, parameters, type, body, node, node.flags), node); + } + return node; } - ts.getSourceMapRange = getSourceMapRange; - function getTokenSourceMapRange(node, token) { - var emitNode = node.emitNode; - var tokenSourceMapRanges = emitNode && emitNode.tokenSourceMapRanges; - return tokenSourceMapRanges && tokenSourceMapRanges[token]; + ts.updateGetAccessor = updateGetAccessor; + function createSetAccessor(decorators, modifiers, name, parameters, body, location, flags) { + var node = createNode(151, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = undefined; + node.parameters = createNodeArray(parameters); + node.body = body; + return node; } - ts.getTokenSourceMapRange = getTokenSourceMapRange; - function getConstantValue(node) { - var emitNode = node.emitNode; - return emitNode && emitNode.constantValue; + ts.createSetAccessor = createSetAccessor; + function updateSetAccessor(node, decorators, modifiers, name, parameters, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.parameters !== parameters || node.body !== body) { + return updateNode(createSetAccessor(decorators, modifiers, name, parameters, body, node, node.flags), node); + } + return node; } - ts.getConstantValue = getConstantValue; - function setConstantValue(node, value) { - var emitNode = getOrCreateEmitNode(node); - emitNode.constantValue = value; + ts.updateSetAccessor = updateSetAccessor; + function createObjectBindingPattern(elements, location) { + var node = createNode(168, location); + node.elements = createNodeArray(elements); return node; } - ts.setConstantValue = setConstantValue; - function setTextRange(node, location) { - if (location) { - node.pos = location.pos; - node.end = location.end; + ts.createObjectBindingPattern = createObjectBindingPattern; + function updateObjectBindingPattern(node, elements) { + if (node.elements !== elements) { + return updateNode(createObjectBindingPattern(elements, node), node); } return node; } - ts.setTextRange = setTextRange; - function setNodeFlags(node, flags) { - node.flags = flags; + ts.updateObjectBindingPattern = updateObjectBindingPattern; + function createArrayBindingPattern(elements, location) { + var node = createNode(169, location); + node.elements = createNodeArray(elements); return node; } - ts.setNodeFlags = setNodeFlags; - function setMultiLine(node, multiLine) { - node.multiLine = multiLine; + ts.createArrayBindingPattern = createArrayBindingPattern; + function updateArrayBindingPattern(node, elements) { + if (node.elements !== elements) { + return updateNode(createArrayBindingPattern(elements, node), node); + } return node; } - ts.setMultiLine = setMultiLine; - function setHasTrailingComma(nodes, hasTrailingComma) { - nodes.hasTrailingComma = hasTrailingComma; - return nodes; + ts.updateArrayBindingPattern = updateArrayBindingPattern; + function createBindingElement(propertyName, dotDotDotToken, name, initializer, location) { + var node = createNode(170, location); + node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; + node.dotDotDotToken = dotDotDotToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.initializer = initializer; + return node; } - ts.setHasTrailingComma = setHasTrailingComma; - function getLocalNameForExternalImport(node, sourceFile) { - var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); - if (namespaceDeclaration && !ts.isDefaultImport(node)) { - var name_9 = namespaceDeclaration.name; - return ts.isGeneratedIdentifier(name_9) ? name_9 : createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, namespaceDeclaration.name)); - } - if (node.kind === 231 && node.importClause) { - return getGeneratedNameForNode(node); - } - if (node.kind === 237 && node.moduleSpecifier) { - return getGeneratedNameForNode(node); + ts.createBindingElement = createBindingElement; + function updateBindingElement(node, propertyName, name, initializer) { + if (node.propertyName !== propertyName || node.name !== name || node.initializer !== initializer) { + return updateNode(createBindingElement(propertyName, node.dotDotDotToken, name, initializer, node), node); } - return undefined; + return node; } - ts.getLocalNameForExternalImport = getLocalNameForExternalImport; - function getExternalModuleNameLiteral(importNode, sourceFile, host, resolver, compilerOptions) { - var moduleName = ts.getExternalModuleName(importNode); - if (moduleName.kind === 9) { - return tryGetModuleNameFromDeclaration(importNode, host, resolver, compilerOptions) - || tryRenameExternalModule(moduleName, sourceFile) - || getSynthesizedClone(moduleName); + ts.updateBindingElement = updateBindingElement; + function createArrayLiteral(elements, location, multiLine) { + var node = createNode(171, location); + node.elements = parenthesizeListElements(createNodeArray(elements)); + if (multiLine) { + node.multiLine = true; } - return undefined; + return node; } - ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral; - function tryRenameExternalModule(moduleName, sourceFile) { - if (sourceFile.renamedDependencies && ts.hasProperty(sourceFile.renamedDependencies, moduleName.text)) { - return createLiteral(sourceFile.renamedDependencies[moduleName.text]); + ts.createArrayLiteral = createArrayLiteral; + function updateArrayLiteral(node, elements) { + if (node.elements !== elements) { + return updateNode(createArrayLiteral(elements, node, node.multiLine), node); } - return undefined; + return node; } - function tryGetModuleNameFromFile(file, host, options) { - if (!file) { - return undefined; - } - if (file.moduleName) { - return createLiteral(file.moduleName); + ts.updateArrayLiteral = updateArrayLiteral; + function createObjectLiteral(properties, location, multiLine) { + var node = createNode(172, location); + node.properties = createNodeArray(properties); + if (multiLine) { + node.multiLine = true; } - if (!ts.isDeclarationFile(file) && (options.out || options.outFile)) { - return createLiteral(ts.getExternalModuleNameFromPath(host, file.fileName)); + return node; + } + ts.createObjectLiteral = createObjectLiteral; + function updateObjectLiteral(node, properties) { + if (node.properties !== properties) { + return updateNode(createObjectLiteral(properties, node, node.multiLine), node); } - return undefined; + return node; } - ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile; - function tryGetModuleNameFromDeclaration(declaration, host, resolver, compilerOptions) { - return tryGetModuleNameFromFile(resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions); + ts.updateObjectLiteral = updateObjectLiteral; + function createPropertyAccess(expression, name, location, flags) { + var node = createNode(173, location, flags); + node.expression = parenthesizeForAccess(expression); + (node.emitNode || (node.emitNode = {})).flags |= 1048576; + node.name = typeof name === "string" ? createIdentifier(name) : name; + return node; } -})(ts || (ts = {})); -var ts; -(function (ts) { - var NodeConstructor; - var TokenConstructor; - var IdentifierConstructor; - var SourceFileConstructor; - function createNode(kind, pos, end) { - if (kind === 256) { - return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); - } - else if (kind === 70) { - return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, pos, end); + ts.createPropertyAccess = createPropertyAccess; + function updatePropertyAccess(node, expression, name) { + if (node.expression !== expression || node.name !== name) { + var propertyAccess = createPropertyAccess(expression, name, node, node.flags); + (propertyAccess.emitNode || (propertyAccess.emitNode = {})).flags = getEmitFlags(node); + return updateNode(propertyAccess, node); } - else if (kind < 140) { - return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, pos, end); + return node; + } + ts.updatePropertyAccess = updatePropertyAccess; + function createElementAccess(expression, index, location) { + var node = createNode(174, location); + node.expression = parenthesizeForAccess(expression); + node.argumentExpression = typeof index === "number" ? createLiteral(index) : index; + return node; + } + ts.createElementAccess = createElementAccess; + function updateElementAccess(node, expression, argumentExpression) { + if (node.expression !== expression || node.argumentExpression !== argumentExpression) { + return updateNode(createElementAccess(expression, argumentExpression, node), node); } - else { - return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); + return node; + } + ts.updateElementAccess = updateElementAccess; + function createCall(expression, typeArguments, argumentsArray, location, flags) { + var node = createNode(175, location, flags); + node.expression = parenthesizeForAccess(expression); + if (typeArguments) { + node.typeArguments = createNodeArray(typeArguments); } + node.arguments = parenthesizeListElements(createNodeArray(argumentsArray)); + return node; } - ts.createNode = createNode; - function visitNode(cbNode, node) { - if (node) { - return cbNode(node); + ts.createCall = createCall; + function updateCall(node, expression, typeArguments, argumentsArray) { + if (expression !== node.expression || typeArguments !== node.typeArguments || argumentsArray !== node.arguments) { + return updateNode(createCall(expression, typeArguments, argumentsArray, node, node.flags), node); } + return node; } - function visitNodeArray(cbNodes, nodes) { - if (nodes) { - return cbNodes(nodes); + ts.updateCall = updateCall; + function createNew(expression, typeArguments, argumentsArray, location, flags) { + var node = createNode(176, location, flags); + node.expression = parenthesizeForNew(expression); + node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; + node.arguments = argumentsArray ? parenthesizeListElements(createNodeArray(argumentsArray)) : undefined; + return node; + } + ts.createNew = createNew; + function updateNew(node, expression, typeArguments, argumentsArray) { + if (node.expression !== expression || node.typeArguments !== typeArguments || node.arguments !== argumentsArray) { + return updateNode(createNew(expression, typeArguments, argumentsArray, node, node.flags), node); } + return node; } - function visitEachNode(cbNode, nodes) { - if (nodes) { - for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { - var node = nodes_1[_i]; - var result = cbNode(node); - if (result) { - return result; - } - } + ts.updateNew = updateNew; + function createTaggedTemplate(tag, template, location) { + var node = createNode(177, location); + node.tag = parenthesizeForAccess(tag); + node.template = template; + return node; + } + ts.createTaggedTemplate = createTaggedTemplate; + function updateTaggedTemplate(node, tag, template) { + if (node.tag !== tag || node.template !== template) { + return updateNode(createTaggedTemplate(tag, template, node), node); } + return node; } - function forEachChild(node, cbNode, cbNodeArray) { - if (!node) { - return; + ts.updateTaggedTemplate = updateTaggedTemplate; + function createParen(expression, location) { + var node = createNode(179, location); + node.expression = expression; + return node; + } + ts.createParen = createParen; + function updateParen(node, expression) { + if (node.expression !== expression) { + return updateNode(createParen(expression, node), node); } - var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; - var cbNodes = cbNodeArray || cbNode; - switch (node.kind) { - case 140: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.right); - case 142: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.constraint) || - visitNode(cbNode, node.expression); - case 254: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.equalsToken) || - visitNode(cbNode, node.objectAssignmentInitializer); - case 143: - case 146: - case 145: - case 253: - case 219: - case 170: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.dotDotDotToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.initializer); - case 157: - case 158: - case 152: - case 153: - case 154: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 148: - case 147: - case 149: - case 150: - case 151: - case 180: - case 221: - case 181: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.equalsGreaterThanToken) || - visitNode(cbNode, node.body); - case 156: - return visitNode(cbNode, node.typeName) || - visitNodes(cbNodes, node.typeArguments); - case 155: - return visitNode(cbNode, node.parameterName) || - visitNode(cbNode, node.type); - case 159: - return visitNode(cbNode, node.exprName); - case 160: - return visitNodes(cbNodes, node.members); - case 161: - return visitNode(cbNode, node.elementType); - case 162: - return visitNodes(cbNodes, node.elementTypes); - case 163: - case 164: - return visitNodes(cbNodes, node.types); - case 165: - return visitNode(cbNode, node.type); - case 167: - return visitNode(cbNode, node.literal); - case 168: - case 169: - return visitNodes(cbNodes, node.elements); - case 171: - return visitNodes(cbNodes, node.elements); - case 172: - return visitNodes(cbNodes, node.properties); - case 173: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.name); - case 174: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.argumentExpression); - case 175: - case 176: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments) || - visitNodes(cbNodes, node.arguments); - case 177: - return visitNode(cbNode, node.tag) || - visitNode(cbNode, node.template); - case 178: - return visitNode(cbNode, node.type) || - visitNode(cbNode, node.expression); - case 179: - return visitNode(cbNode, node.expression); - case 182: - return visitNode(cbNode, node.expression); - case 183: - return visitNode(cbNode, node.expression); - case 184: - return visitNode(cbNode, node.expression); - case 186: - return visitNode(cbNode, node.operand); - case 191: - return visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.expression); - case 185: - return visitNode(cbNode, node.expression); - case 187: - return visitNode(cbNode, node.operand); - case 188: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.operatorToken) || - visitNode(cbNode, node.right); - case 196: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.type); - case 197: - return visitNode(cbNode, node.expression); - case 189: - return visitNode(cbNode, node.condition) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.whenTrue) || - visitNode(cbNode, node.colonToken) || - visitNode(cbNode, node.whenFalse); - case 192: - return visitNode(cbNode, node.expression); - case 200: - case 227: - return visitNodes(cbNodes, node.statements); - case 256: - return visitNodes(cbNodes, node.statements) || - visitNode(cbNode, node.endOfFileToken); - case 201: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.declarationList); - case 220: - return visitNodes(cbNodes, node.declarations); - case 203: - return visitNode(cbNode, node.expression); - case 204: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.thenStatement) || - visitNode(cbNode, node.elseStatement); - case 205: - return visitNode(cbNode, node.statement) || - visitNode(cbNode, node.expression); - case 206: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 207: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.condition) || - visitNode(cbNode, node.incrementor) || - visitNode(cbNode, node.statement); - case 208: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 209: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 210: - case 211: - return visitNode(cbNode, node.label); - case 212: - return visitNode(cbNode, node.expression); - case 213: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 214: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.caseBlock); - case 228: - return visitNodes(cbNodes, node.clauses); - case 249: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.statements); - case 250: - return visitNodes(cbNodes, node.statements); - case 215: - return visitNode(cbNode, node.label) || - visitNode(cbNode, node.statement); - case 216: - return visitNode(cbNode, node.expression); - case 217: - return visitNode(cbNode, node.tryBlock) || - visitNode(cbNode, node.catchClause) || - visitNode(cbNode, node.finallyBlock); - case 252: - return visitNode(cbNode, node.variableDeclaration) || - visitNode(cbNode, node.block); - case 144: - return visitNode(cbNode, node.expression); - case 222: - case 193: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 223: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 224: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNode(cbNode, node.type); - case 225: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.members); - case 255: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 226: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.body); - case 230: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.moduleReference); - case 231: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.importClause) || - visitNode(cbNode, node.moduleSpecifier); - case 232: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.namedBindings); - case 229: - return visitNode(cbNode, node.name); - case 233: - return visitNode(cbNode, node.name); - case 234: - case 238: - return visitNodes(cbNodes, node.elements); - case 237: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.exportClause) || - visitNode(cbNode, node.moduleSpecifier); - case 235: - case 239: - return visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.name); - case 236: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.expression); - case 190: - return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); - case 198: - return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); - case 141: - return visitNode(cbNode, node.expression); - case 251: - return visitNodes(cbNodes, node.types); - case 195: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments); - case 241: - return visitNode(cbNode, node.expression); - case 240: - return visitNodes(cbNodes, node.decorators); - case 242: - return visitNode(cbNode, node.openingElement) || - visitNodes(cbNodes, node.children) || - visitNode(cbNode, node.closingElement); - case 243: - case 244: - return visitNode(cbNode, node.tagName) || - visitNodes(cbNodes, node.attributes); - case 246: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 247: - return visitNode(cbNode, node.expression); - case 248: - return visitNode(cbNode, node.expression); - case 245: - return visitNode(cbNode, node.tagName); - case 257: - return visitNode(cbNode, node.type); - case 261: - return visitNodes(cbNodes, node.types); - case 262: - return visitNodes(cbNodes, node.types); - case 260: - return visitNode(cbNode, node.elementType); - case 264: - return visitNode(cbNode, node.type); - case 263: - return visitNode(cbNode, node.type); - case 265: - return visitNode(cbNode, node.literal); - case 267: - return visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeArguments); - case 268: - return visitNode(cbNode, node.type); - case 269: - return visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 270: - return visitNode(cbNode, node.type); - case 271: - return visitNode(cbNode, node.type); - case 272: - return visitNode(cbNode, node.type); - case 266: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.type); - case 273: - return visitNodes(cbNodes, node.tags); - case 275: - return visitNode(cbNode, node.preParameterName) || - visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.postParameterName); - case 276: - return visitNode(cbNode, node.typeExpression); - case 277: - return visitNode(cbNode, node.typeExpression); - case 278: - return visitNodes(cbNodes, node.typeParameters); - case 279: - return visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.jsDocTypeLiteral); - case 281: - return visitNodes(cbNodes, node.jsDocPropertyTags); - case 280: - return visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.name); - case 288: - return visitNode(cbNode, node.expression); - case 282: - return visitNode(cbNode, node.literal); + return node; + } + ts.updateParen = updateParen; + function createFunctionExpression(modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { + var node = createNode(180, location, flags); + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.asteriskToken = asteriskToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; + return node; + } + ts.createFunctionExpression = createFunctionExpression; + function updateFunctionExpression(node, modifiers, name, typeParameters, parameters, type, body) { + if (node.name !== name || node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createFunctionExpression(modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); } + return node; } - ts.forEachChild = forEachChild; - function createSourceFile(fileName, sourceText, languageVersion, setParentNodes, scriptKind) { - if (setParentNodes === void 0) { setParentNodes = false; } - ts.performance.mark("beforeParse"); - var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes, scriptKind); - ts.performance.mark("afterParse"); - ts.performance.measure("Parse", "beforeParse", "afterParse"); - return result; + ts.updateFunctionExpression = updateFunctionExpression; + function createArrowFunction(modifiers, typeParameters, parameters, type, equalsGreaterThanToken, body, location, flags) { + var node = createNode(181, location, flags); + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.equalsGreaterThanToken = equalsGreaterThanToken || createToken(35); + node.body = parenthesizeConciseBody(body); + return node; } - ts.createSourceFile = createSourceFile; - function isExternalModule(file) { - return file.externalModuleIndicator !== undefined; + ts.createArrowFunction = createArrowFunction; + function updateArrowFunction(node, modifiers, typeParameters, parameters, type, body) { + if (node.modifiers !== modifiers || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createArrowFunction(modifiers, typeParameters, parameters, type, node.equalsGreaterThanToken, body, node, node.flags), node); + } + return node; } - ts.isExternalModule = isExternalModule; - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + ts.updateArrowFunction = updateArrowFunction; + function createDelete(expression, location) { + var node = createNode(182, location); + node.expression = parenthesizePrefixOperand(expression); + return node; } - ts.updateSourceFile = updateSourceFile; - function parseIsolatedJSDocComment(content, start, length) { - var result = Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); - if (result && result.jsDoc) { - Parser.fixupParentReferences(result.jsDoc); + ts.createDelete = createDelete; + function updateDelete(node, expression) { + if (node.expression !== expression) { + return updateNode(createDelete(expression, node), expression); } - return result; + return node; } - ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocTypeExpressionForTests(content, start, length) { - return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + ts.updateDelete = updateDelete; + function createTypeOf(expression, location) { + var node = createNode(183, location); + node.expression = parenthesizePrefixOperand(expression); + return node; } - ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; - var Parser; - (function (Parser) { - var scanner = ts.createScanner(4, true); - var disallowInAndDecoratorContext = 32768 | 131072; - var NodeConstructor; - var TokenConstructor; - var IdentifierConstructor; - var SourceFileConstructor; - var sourceFile; - var parseDiagnostics; - var syntaxCursor; - var currentToken; - var sourceText; - var nodeCount; - var identifiers; - var identifierCount; - var parsingContext; - var contextFlags; - var parseErrorBeforeNextFinishedNode = false; - function parseSourceFile(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes, scriptKind) { - scriptKind = ts.ensureScriptKind(fileName, scriptKind); - initializeState(sourceText, languageVersion, syntaxCursor, scriptKind); - var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind); - clearState(); - return result; + ts.createTypeOf = createTypeOf; + function updateTypeOf(node, expression) { + if (node.expression !== expression) { + return updateNode(createTypeOf(expression, node), expression); } - Parser.parseSourceFile = parseSourceFile; - function getLanguageVariant(scriptKind) { - return scriptKind === 4 || scriptKind === 2 || scriptKind === 1 ? 1 : 0; + return node; + } + ts.updateTypeOf = updateTypeOf; + function createVoid(expression, location) { + var node = createNode(184, location); + node.expression = parenthesizePrefixOperand(expression); + return node; + } + ts.createVoid = createVoid; + function updateVoid(node, expression) { + if (node.expression !== expression) { + return updateNode(createVoid(expression, node), node); } - function initializeState(_sourceText, languageVersion, _syntaxCursor, scriptKind) { - NodeConstructor = ts.objectAllocator.getNodeConstructor(); - TokenConstructor = ts.objectAllocator.getTokenConstructor(); - IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor(); - SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); - sourceText = _sourceText; - syntaxCursor = _syntaxCursor; - parseDiagnostics = []; - parsingContext = 0; - identifiers = ts.createMap(); - identifierCount = 0; - nodeCount = 0; - contextFlags = scriptKind === 1 || scriptKind === 2 ? 1048576 : 0; - parseErrorBeforeNextFinishedNode = false; - scanner.setText(sourceText); - scanner.setOnError(scanError); - scanner.setScriptTarget(languageVersion); - scanner.setLanguageVariant(getLanguageVariant(scriptKind)); + return node; + } + ts.updateVoid = updateVoid; + function createAwait(expression, location) { + var node = createNode(185, location); + node.expression = parenthesizePrefixOperand(expression); + return node; + } + ts.createAwait = createAwait; + function updateAwait(node, expression) { + if (node.expression !== expression) { + return updateNode(createAwait(expression, node), node); } - function clearState() { - scanner.setText(""); - scanner.setOnError(undefined); - parseDiagnostics = undefined; - sourceFile = undefined; - identifiers = undefined; - syntaxCursor = undefined; - sourceText = undefined; - } - function parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind) { - sourceFile = createSourceFile(fileName, languageVersion, scriptKind); - sourceFile.flags = contextFlags; - nextToken(); - processReferenceComments(sourceFile); - sourceFile.statements = parseList(0, parseStatement); - ts.Debug.assert(token() === 1); - sourceFile.endOfFileToken = parseTokenNode(); - setExternalModuleIndicator(sourceFile); - sourceFile.nodeCount = nodeCount; - sourceFile.identifierCount = identifierCount; - sourceFile.identifiers = identifiers; - sourceFile.parseDiagnostics = parseDiagnostics; - if (setParentNodes) { - fixupParentReferences(sourceFile); - } - return sourceFile; - } - function addJSDocComment(node) { - var comments = ts.getJsDocCommentsFromText(node, sourceFile.text); - if (comments) { - for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { - var comment = comments_2[_i]; - var jsDoc = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); - if (!jsDoc) { - continue; - } - if (!node.jsDocComments) { - node.jsDocComments = []; - } - node.jsDocComments.push(jsDoc); - } - } - return node; + return node; + } + ts.updateAwait = updateAwait; + function createPrefix(operator, operand, location) { + var node = createNode(186, location); + node.operator = operator; + node.operand = parenthesizePrefixOperand(operand); + return node; + } + ts.createPrefix = createPrefix; + function updatePrefix(node, operand) { + if (node.operand !== operand) { + return updateNode(createPrefix(node.operator, operand, node), node); } - function fixupParentReferences(rootNode) { - var parent = rootNode; - forEachChild(rootNode, visitNode); - return; - function visitNode(n) { - if (n.parent !== parent) { - n.parent = parent; - var saveParent = parent; - parent = n; - forEachChild(n, visitNode); - if (n.jsDocComments) { - for (var _i = 0, _a = n.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - jsDocComment.parent = n; - parent = jsDocComment; - forEachChild(jsDocComment, visitNode); - } - } - parent = saveParent; - } - } + return node; + } + ts.updatePrefix = updatePrefix; + function createPostfix(operand, operator, location) { + var node = createNode(187, location); + node.operand = parenthesizePostfixOperand(operand); + node.operator = operator; + return node; + } + ts.createPostfix = createPostfix; + function updatePostfix(node, operand) { + if (node.operand !== operand) { + return updateNode(createPostfix(operand, node.operator, node), node); } - Parser.fixupParentReferences = fixupParentReferences; - function createSourceFile(fileName, languageVersion, scriptKind) { - var sourceFile = new SourceFileConstructor(256, 0, sourceText.length); - nodeCount++; - sourceFile.text = sourceText; - sourceFile.bindDiagnostics = []; - sourceFile.languageVersion = languageVersion; - sourceFile.fileName = ts.normalizePath(fileName); - sourceFile.languageVariant = getLanguageVariant(scriptKind); - sourceFile.isDeclarationFile = ts.fileExtensionIs(sourceFile.fileName, ".d.ts"); - sourceFile.scriptKind = scriptKind; - return sourceFile; + return node; + } + ts.updatePostfix = updatePostfix; + function createBinary(left, operator, right, location) { + var operatorToken = typeof operator === "number" ? createToken(operator) : operator; + var operatorKind = operatorToken.kind; + var node = createNode(188, location); + node.left = parenthesizeBinaryOperand(operatorKind, left, true, undefined); + node.operatorToken = operatorToken; + node.right = parenthesizeBinaryOperand(operatorKind, right, false, node.left); + return node; + } + ts.createBinary = createBinary; + function updateBinary(node, left, right) { + if (node.left !== left || node.right !== right) { + return updateNode(createBinary(left, node.operatorToken, right, node), node); } - function setContextFlag(val, flag) { - if (val) { - contextFlags |= flag; - } - else { - contextFlags &= ~flag; - } + return node; + } + ts.updateBinary = updateBinary; + function createConditional(condition, questionToken, whenTrue, colonToken, whenFalse, location) { + var node = createNode(189, location); + node.condition = condition; + node.questionToken = questionToken; + node.whenTrue = whenTrue; + node.colonToken = colonToken; + node.whenFalse = whenFalse; + return node; + } + ts.createConditional = createConditional; + function updateConditional(node, condition, whenTrue, whenFalse) { + if (node.condition !== condition || node.whenTrue !== whenTrue || node.whenFalse !== whenFalse) { + return updateNode(createConditional(condition, node.questionToken, whenTrue, node.colonToken, whenFalse, node), node); } - function setDisallowInContext(val) { - setContextFlag(val, 32768); + return node; + } + ts.updateConditional = updateConditional; + function createTemplateExpression(head, templateSpans, location) { + var node = createNode(190, location); + node.head = head; + node.templateSpans = createNodeArray(templateSpans); + return node; + } + ts.createTemplateExpression = createTemplateExpression; + function updateTemplateExpression(node, head, templateSpans) { + if (node.head !== head || node.templateSpans !== templateSpans) { + return updateNode(createTemplateExpression(head, templateSpans, node), node); } - function setYieldContext(val) { - setContextFlag(val, 65536); + return node; + } + ts.updateTemplateExpression = updateTemplateExpression; + function createYield(asteriskToken, expression, location) { + var node = createNode(191, location); + node.asteriskToken = asteriskToken; + node.expression = expression; + return node; + } + ts.createYield = createYield; + function updateYield(node, expression) { + if (node.expression !== expression) { + return updateNode(createYield(node.asteriskToken, expression, node), node); } - function setDecoratorContext(val) { - setContextFlag(val, 131072); + return node; + } + ts.updateYield = updateYield; + function createSpread(expression, location) { + var node = createNode(192, location); + node.expression = parenthesizeExpressionForList(expression); + return node; + } + ts.createSpread = createSpread; + function updateSpread(node, expression) { + if (node.expression !== expression) { + return updateNode(createSpread(expression, node), node); } - function setAwaitContext(val) { - setContextFlag(val, 262144); + return node; + } + ts.updateSpread = updateSpread; + function createClassExpression(modifiers, name, typeParameters, heritageClauses, members, location) { + var node = createNode(193, location); + node.decorators = undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.heritageClauses = createNodeArray(heritageClauses); + node.members = createNodeArray(members); + return node; + } + ts.createClassExpression = createClassExpression; + function updateClassExpression(node, modifiers, name, typeParameters, heritageClauses, members) { + if (node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { + return updateNode(createClassExpression(modifiers, name, typeParameters, heritageClauses, members, node), node); } - function doOutsideOfContext(context, func) { - var contextFlagsToClear = context & contextFlags; - if (contextFlagsToClear) { - setContextFlag(false, contextFlagsToClear); - var result = func(); - setContextFlag(true, contextFlagsToClear); - return result; - } - return func(); + return node; + } + ts.updateClassExpression = updateClassExpression; + function createOmittedExpression(location) { + var node = createNode(194, location); + return node; + } + ts.createOmittedExpression = createOmittedExpression; + function createExpressionWithTypeArguments(typeArguments, expression, location) { + var node = createNode(195, location); + node.typeArguments = typeArguments ? createNodeArray(typeArguments) : undefined; + node.expression = parenthesizeForAccess(expression); + return node; + } + ts.createExpressionWithTypeArguments = createExpressionWithTypeArguments; + function updateExpressionWithTypeArguments(node, typeArguments, expression) { + if (node.typeArguments !== typeArguments || node.expression !== expression) { + return updateNode(createExpressionWithTypeArguments(typeArguments, expression, node), node); } - function doInsideOfContext(context, func) { - var contextFlagsToSet = context & ~contextFlags; - if (contextFlagsToSet) { - setContextFlag(true, contextFlagsToSet); - var result = func(); - setContextFlag(false, contextFlagsToSet); - return result; - } - return func(); + return node; + } + ts.updateExpressionWithTypeArguments = updateExpressionWithTypeArguments; + function createTemplateSpan(expression, literal, location) { + var node = createNode(198, location); + node.expression = expression; + node.literal = literal; + return node; + } + ts.createTemplateSpan = createTemplateSpan; + function updateTemplateSpan(node, expression, literal) { + if (node.expression !== expression || node.literal !== literal) { + return updateNode(createTemplateSpan(expression, literal, node), node); } - function allowInAnd(func) { - return doOutsideOfContext(32768, func); + return node; + } + ts.updateTemplateSpan = updateTemplateSpan; + function createBlock(statements, location, multiLine, flags) { + var block = createNode(200, location, flags); + block.statements = createNodeArray(statements); + if (multiLine) { + block.multiLine = true; } - function disallowInAnd(func) { - return doInsideOfContext(32768, func); + return block; + } + ts.createBlock = createBlock; + function updateBlock(node, statements) { + if (statements !== node.statements) { + return updateNode(createBlock(statements, node, node.multiLine, node.flags), node); } - function doInYieldContext(func) { - return doInsideOfContext(65536, func); + return node; + } + ts.updateBlock = updateBlock; + function createVariableStatement(modifiers, declarationList, location, flags) { + var node = createNode(201, location, flags); + node.decorators = undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.declarationList = ts.isArray(declarationList) ? createVariableDeclarationList(declarationList) : declarationList; + return node; + } + ts.createVariableStatement = createVariableStatement; + function updateVariableStatement(node, modifiers, declarationList) { + if (node.modifiers !== modifiers || node.declarationList !== declarationList) { + return updateNode(createVariableStatement(modifiers, declarationList, node, node.flags), node); } - function doInDecoratorContext(func) { - return doInsideOfContext(131072, func); + return node; + } + ts.updateVariableStatement = updateVariableStatement; + function createVariableDeclarationList(declarations, location, flags) { + var node = createNode(220, location, flags); + node.declarations = createNodeArray(declarations); + return node; + } + ts.createVariableDeclarationList = createVariableDeclarationList; + function updateVariableDeclarationList(node, declarations) { + if (node.declarations !== declarations) { + return updateNode(createVariableDeclarationList(declarations, node, node.flags), node); } - function doInAwaitContext(func) { - return doInsideOfContext(262144, func); + return node; + } + ts.updateVariableDeclarationList = updateVariableDeclarationList; + function createVariableDeclaration(name, type, initializer, location, flags) { + var node = createNode(219, location, flags); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.type = type; + node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; + return node; + } + ts.createVariableDeclaration = createVariableDeclaration; + function updateVariableDeclaration(node, name, type, initializer) { + if (node.name !== name || node.type !== type || node.initializer !== initializer) { + return updateNode(createVariableDeclaration(name, type, initializer, node, node.flags), node); } - function doOutsideOfAwaitContext(func) { - return doOutsideOfContext(262144, func); + return node; + } + ts.updateVariableDeclaration = updateVariableDeclaration; + function createEmptyStatement(location) { + return createNode(202, location); + } + ts.createEmptyStatement = createEmptyStatement; + function createStatement(expression, location, flags) { + var node = createNode(203, location, flags); + node.expression = parenthesizeExpressionForExpressionStatement(expression); + return node; + } + ts.createStatement = createStatement; + function updateStatement(node, expression) { + if (node.expression !== expression) { + return updateNode(createStatement(expression, node, node.flags), node); } - function doInYieldAndAwaitContext(func) { - return doInsideOfContext(65536 | 262144, func); + return node; + } + ts.updateStatement = updateStatement; + function createIf(expression, thenStatement, elseStatement, location) { + var node = createNode(204, location); + node.expression = expression; + node.thenStatement = thenStatement; + node.elseStatement = elseStatement; + return node; + } + ts.createIf = createIf; + function updateIf(node, expression, thenStatement, elseStatement) { + if (node.expression !== expression || node.thenStatement !== thenStatement || node.elseStatement !== elseStatement) { + return updateNode(createIf(expression, thenStatement, elseStatement, node), node); } - function inContext(flags) { - return (contextFlags & flags) !== 0; + return node; + } + ts.updateIf = updateIf; + function createDo(statement, expression, location) { + var node = createNode(205, location); + node.statement = statement; + node.expression = expression; + return node; + } + ts.createDo = createDo; + function updateDo(node, statement, expression) { + if (node.statement !== statement || node.expression !== expression) { + return updateNode(createDo(statement, expression, node), node); } - function inYieldContext() { - return inContext(65536); + return node; + } + ts.updateDo = updateDo; + function createWhile(expression, statement, location) { + var node = createNode(206, location); + node.expression = expression; + node.statement = statement; + return node; + } + ts.createWhile = createWhile; + function updateWhile(node, expression, statement) { + if (node.expression !== expression || node.statement !== statement) { + return updateNode(createWhile(expression, statement, node), node); } - function inDisallowInContext() { - return inContext(32768); + return node; + } + ts.updateWhile = updateWhile; + function createFor(initializer, condition, incrementor, statement, location) { + var node = createNode(207, location, undefined); + node.initializer = initializer; + node.condition = condition; + node.incrementor = incrementor; + node.statement = statement; + return node; + } + ts.createFor = createFor; + function updateFor(node, initializer, condition, incrementor, statement) { + if (node.initializer !== initializer || node.condition !== condition || node.incrementor !== incrementor || node.statement !== statement) { + return updateNode(createFor(initializer, condition, incrementor, statement, node), node); } - function inDecoratorContext() { - return inContext(131072); + return node; + } + ts.updateFor = updateFor; + function createForIn(initializer, expression, statement, location) { + var node = createNode(208, location); + node.initializer = initializer; + node.expression = expression; + node.statement = statement; + return node; + } + ts.createForIn = createForIn; + function updateForIn(node, initializer, expression, statement) { + if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { + return updateNode(createForIn(initializer, expression, statement, node), node); } - function inAwaitContext() { - return inContext(262144); + return node; + } + ts.updateForIn = updateForIn; + function createForOf(initializer, expression, statement, location) { + var node = createNode(209, location); + node.initializer = initializer; + node.expression = expression; + node.statement = statement; + return node; + } + ts.createForOf = createForOf; + function updateForOf(node, initializer, expression, statement) { + if (node.initializer !== initializer || node.expression !== expression || node.statement !== statement) { + return updateNode(createForOf(initializer, expression, statement, node), node); } - function parseErrorAtCurrentToken(message, arg0) { - var start = scanner.getTokenPos(); - var length = scanner.getTextPos() - start; - parseErrorAtPosition(start, length, message, arg0); + return node; + } + ts.updateForOf = updateForOf; + function createContinue(label, location) { + var node = createNode(210, location); + if (label) { + node.label = label; } - function parseErrorAtPosition(start, length, message, arg0) { - var lastError = ts.lastOrUndefined(parseDiagnostics); - if (!lastError || start !== lastError.start) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); - } - parseErrorBeforeNextFinishedNode = true; + return node; + } + ts.createContinue = createContinue; + function updateContinue(node, label) { + if (node.label !== label) { + return updateNode(createContinue(label, node), node); } - function scanError(message, length) { - var pos = scanner.getTextPos(); - parseErrorAtPosition(pos, length || 0, message); + return node; + } + ts.updateContinue = updateContinue; + function createBreak(label, location) { + var node = createNode(211, location); + if (label) { + node.label = label; } - function getNodePos() { - return scanner.getStartPos(); + return node; + } + ts.createBreak = createBreak; + function updateBreak(node, label) { + if (node.label !== label) { + return updateNode(createBreak(label, node), node); } - function getNodeEnd() { - return scanner.getStartPos(); + return node; + } + ts.updateBreak = updateBreak; + function createReturn(expression, location) { + var node = createNode(212, location); + node.expression = expression; + return node; + } + ts.createReturn = createReturn; + function updateReturn(node, expression) { + if (node.expression !== expression) { + return updateNode(createReturn(expression, node), node); } - function token() { - return currentToken; + return node; + } + ts.updateReturn = updateReturn; + function createWith(expression, statement, location) { + var node = createNode(213, location); + node.expression = expression; + node.statement = statement; + return node; + } + ts.createWith = createWith; + function updateWith(node, expression, statement) { + if (node.expression !== expression || node.statement !== statement) { + return updateNode(createWith(expression, statement, node), node); } - function nextToken() { - return currentToken = scanner.scan(); + return node; + } + ts.updateWith = updateWith; + function createSwitch(expression, caseBlock, location) { + var node = createNode(214, location); + node.expression = parenthesizeExpressionForList(expression); + node.caseBlock = caseBlock; + return node; + } + ts.createSwitch = createSwitch; + function updateSwitch(node, expression, caseBlock) { + if (node.expression !== expression || node.caseBlock !== caseBlock) { + return updateNode(createSwitch(expression, caseBlock, node), node); } - function reScanGreaterToken() { - return currentToken = scanner.reScanGreaterToken(); - } - function reScanSlashToken() { - return currentToken = scanner.reScanSlashToken(); - } - function reScanTemplateToken() { - return currentToken = scanner.reScanTemplateToken(); - } - function scanJsxIdentifier() { - return currentToken = scanner.scanJsxIdentifier(); + return node; + } + ts.updateSwitch = updateSwitch; + function createLabel(label, statement, location) { + var node = createNode(215, location); + node.label = typeof label === "string" ? createIdentifier(label) : label; + node.statement = statement; + return node; + } + ts.createLabel = createLabel; + function updateLabel(node, label, statement) { + if (node.label !== label || node.statement !== statement) { + return updateNode(createLabel(label, statement, node), node); } - function scanJsxText() { - return currentToken = scanner.scanJsxToken(); + return node; + } + ts.updateLabel = updateLabel; + function createThrow(expression, location) { + var node = createNode(216, location); + node.expression = expression; + return node; + } + ts.createThrow = createThrow; + function updateThrow(node, expression) { + if (node.expression !== expression) { + return updateNode(createThrow(expression, node), node); } - function scanJsxAttributeValue() { - return currentToken = scanner.scanJsxAttributeValue(); + return node; + } + ts.updateThrow = updateThrow; + function createTry(tryBlock, catchClause, finallyBlock, location) { + var node = createNode(217, location); + node.tryBlock = tryBlock; + node.catchClause = catchClause; + node.finallyBlock = finallyBlock; + return node; + } + ts.createTry = createTry; + function updateTry(node, tryBlock, catchClause, finallyBlock) { + if (node.tryBlock !== tryBlock || node.catchClause !== catchClause || node.finallyBlock !== finallyBlock) { + return updateNode(createTry(tryBlock, catchClause, finallyBlock, node), node); } - function speculationHelper(callback, isLookAhead) { - var saveToken = currentToken; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var saveContextFlags = contextFlags; - var result = isLookAhead - ? scanner.lookAhead(callback) - : scanner.tryScan(callback); - ts.Debug.assert(saveContextFlags === contextFlags); - if (!result || isLookAhead) { - currentToken = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - } - return result; + return node; + } + ts.updateTry = updateTry; + function createCaseBlock(clauses, location) { + var node = createNode(228, location); + node.clauses = createNodeArray(clauses); + return node; + } + ts.createCaseBlock = createCaseBlock; + function updateCaseBlock(node, clauses) { + if (node.clauses !== clauses) { + return updateNode(createCaseBlock(clauses, node), node); } - function lookAhead(callback) { - return speculationHelper(callback, true); + return node; + } + ts.updateCaseBlock = updateCaseBlock; + function createFunctionDeclaration(decorators, modifiers, asteriskToken, name, typeParameters, parameters, type, body, location, flags) { + var node = createNode(221, location, flags); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.asteriskToken = asteriskToken; + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.parameters = createNodeArray(parameters); + node.type = type; + node.body = body; + return node; + } + ts.createFunctionDeclaration = createFunctionDeclaration; + function updateFunctionDeclaration(node, decorators, modifiers, name, typeParameters, parameters, type, body) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.parameters !== parameters || node.type !== type || node.body !== body) { + return updateNode(createFunctionDeclaration(decorators, modifiers, node.asteriskToken, name, typeParameters, parameters, type, body, node, node.flags), node); } - function tryParse(callback) { - return speculationHelper(callback, false); + return node; + } + ts.updateFunctionDeclaration = updateFunctionDeclaration; + function createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, location) { + var node = createNode(222, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.name = name; + node.typeParameters = typeParameters ? createNodeArray(typeParameters) : undefined; + node.heritageClauses = createNodeArray(heritageClauses); + node.members = createNodeArray(members); + return node; + } + ts.createClassDeclaration = createClassDeclaration; + function updateClassDeclaration(node, decorators, modifiers, name, typeParameters, heritageClauses, members) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.name !== name || node.typeParameters !== typeParameters || node.heritageClauses !== heritageClauses || node.members !== members) { + return updateNode(createClassDeclaration(decorators, modifiers, name, typeParameters, heritageClauses, members, node), node); } - function isIdentifier() { - if (token() === 70) { - return true; - } - if (token() === 115 && inYieldContext()) { - return false; - } - if (token() === 120 && inAwaitContext()) { - return false; - } - return token() > 106; + return node; + } + ts.updateClassDeclaration = updateClassDeclaration; + function createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, location) { + var node = createNode(231, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.importClause = importClause; + node.moduleSpecifier = moduleSpecifier; + return node; + } + ts.createImportDeclaration = createImportDeclaration; + function updateImportDeclaration(node, decorators, modifiers, importClause, moduleSpecifier) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.importClause !== importClause || node.moduleSpecifier !== moduleSpecifier) { + return updateNode(createImportDeclaration(decorators, modifiers, importClause, moduleSpecifier, node), node); } - function parseExpected(kind, diagnosticMessage, shouldAdvance) { - if (shouldAdvance === void 0) { shouldAdvance = true; } - if (token() === kind) { - if (shouldAdvance) { - nextToken(); - } - return true; - } - if (diagnosticMessage) { - parseErrorAtCurrentToken(diagnosticMessage); - } - else { - parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); - } - return false; + return node; + } + ts.updateImportDeclaration = updateImportDeclaration; + function createImportClause(name, namedBindings, location) { + var node = createNode(232, location); + node.name = name; + node.namedBindings = namedBindings; + return node; + } + ts.createImportClause = createImportClause; + function updateImportClause(node, name, namedBindings) { + if (node.name !== name || node.namedBindings !== namedBindings) { + return updateNode(createImportClause(name, namedBindings, node), node); } - function parseOptional(t) { - if (token() === t) { - nextToken(); - return true; - } - return false; + return node; + } + ts.updateImportClause = updateImportClause; + function createNamespaceImport(name, location) { + var node = createNode(233, location); + node.name = name; + return node; + } + ts.createNamespaceImport = createNamespaceImport; + function updateNamespaceImport(node, name) { + if (node.name !== name) { + return updateNode(createNamespaceImport(name, node), node); } - function parseOptionalToken(t) { - if (token() === t) { - return parseTokenNode(); - } - return undefined; + return node; + } + ts.updateNamespaceImport = updateNamespaceImport; + function createNamedImports(elements, location) { + var node = createNode(234, location); + node.elements = createNodeArray(elements); + return node; + } + ts.createNamedImports = createNamedImports; + function updateNamedImports(node, elements) { + if (node.elements !== elements) { + return updateNode(createNamedImports(elements, node), node); } - function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { - return parseOptionalToken(t) || - createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + return node; + } + ts.updateNamedImports = updateNamedImports; + function createImportSpecifier(propertyName, name, location) { + var node = createNode(235, location); + node.propertyName = propertyName; + node.name = name; + return node; + } + ts.createImportSpecifier = createImportSpecifier; + function updateImportSpecifier(node, propertyName, name) { + if (node.propertyName !== propertyName || node.name !== name) { + return updateNode(createImportSpecifier(propertyName, name, node), node); } - function parseTokenNode() { - var node = createNode(token()); - nextToken(); - return finishNode(node); + return node; + } + ts.updateImportSpecifier = updateImportSpecifier; + function createExportAssignment(decorators, modifiers, isExportEquals, expression, location) { + var node = createNode(236, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.isExportEquals = isExportEquals; + node.expression = expression; + return node; + } + ts.createExportAssignment = createExportAssignment; + function updateExportAssignment(node, decorators, modifiers, expression) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.expression !== expression) { + return updateNode(createExportAssignment(decorators, modifiers, node.isExportEquals, expression, node), node); } - function canParseSemicolon() { - if (token() === 24) { - return true; - } - return token() === 17 || token() === 1 || scanner.hasPrecedingLineBreak(); + return node; + } + ts.updateExportAssignment = updateExportAssignment; + function createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, location) { + var node = createNode(237, location); + node.decorators = decorators ? createNodeArray(decorators) : undefined; + node.modifiers = modifiers ? createNodeArray(modifiers) : undefined; + node.exportClause = exportClause; + node.moduleSpecifier = moduleSpecifier; + return node; + } + ts.createExportDeclaration = createExportDeclaration; + function updateExportDeclaration(node, decorators, modifiers, exportClause, moduleSpecifier) { + if (node.decorators !== decorators || node.modifiers !== modifiers || node.exportClause !== exportClause || node.moduleSpecifier !== moduleSpecifier) { + return updateNode(createExportDeclaration(decorators, modifiers, exportClause, moduleSpecifier, node), node); } - function parseSemicolon() { - if (canParseSemicolon()) { - if (token() === 24) { - nextToken(); - } - return true; - } - else { - return parseExpected(24); - } + return node; + } + ts.updateExportDeclaration = updateExportDeclaration; + function createNamedExports(elements, location) { + var node = createNode(238, location); + node.elements = createNodeArray(elements); + return node; + } + ts.createNamedExports = createNamedExports; + function updateNamedExports(node, elements) { + if (node.elements !== elements) { + return updateNode(createNamedExports(elements, node), node); } - function createNode(kind, pos) { - nodeCount++; - if (!(pos >= 0)) { - pos = scanner.getStartPos(); - } - return kind >= 140 ? new NodeConstructor(kind, pos, pos) : - kind === 70 ? new IdentifierConstructor(kind, pos, pos) : - new TokenConstructor(kind, pos, pos); + return node; + } + ts.updateNamedExports = updateNamedExports; + function createExportSpecifier(name, propertyName, location) { + var node = createNode(239, location); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.propertyName = typeof propertyName === "string" ? createIdentifier(propertyName) : propertyName; + return node; + } + ts.createExportSpecifier = createExportSpecifier; + function updateExportSpecifier(node, name, propertyName) { + if (node.name !== name || node.propertyName !== propertyName) { + return updateNode(createExportSpecifier(name, propertyName, node), node); } - function createNodeArray(elements, pos) { - var array = (elements || []); - if (!(pos >= 0)) { - pos = getNodePos(); - } - array.pos = pos; - array.end = pos; - return array; + return node; + } + ts.updateExportSpecifier = updateExportSpecifier; + function createJsxElement(openingElement, children, closingElement, location) { + var node = createNode(242, location); + node.openingElement = openingElement; + node.children = createNodeArray(children); + node.closingElement = closingElement; + return node; + } + ts.createJsxElement = createJsxElement; + function updateJsxElement(node, openingElement, children, closingElement) { + if (node.openingElement !== openingElement || node.children !== children || node.closingElement !== closingElement) { + return updateNode(createJsxElement(openingElement, children, closingElement, node), node); } - function finishNode(node, end) { - node.end = end === undefined ? scanner.getStartPos() : end; - if (contextFlags) { - node.flags |= contextFlags; - } - if (parseErrorBeforeNextFinishedNode) { - parseErrorBeforeNextFinishedNode = false; - node.flags |= 524288; - } - return node; + return node; + } + ts.updateJsxElement = updateJsxElement; + function createJsxSelfClosingElement(tagName, attributes, location) { + var node = createNode(243, location); + node.tagName = tagName; + node.attributes = createNodeArray(attributes); + return node; + } + ts.createJsxSelfClosingElement = createJsxSelfClosingElement; + function updateJsxSelfClosingElement(node, tagName, attributes) { + if (node.tagName !== tagName || node.attributes !== attributes) { + return updateNode(createJsxSelfClosingElement(tagName, attributes, node), node); } - function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { - if (reportAtCurrentPosition) { - parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); - } - else { - parseErrorAtCurrentToken(diagnosticMessage, arg0); - } - var result = createNode(kind, scanner.getStartPos()); - result.text = ""; - return finishNode(result); + return node; + } + ts.updateJsxSelfClosingElement = updateJsxSelfClosingElement; + function createJsxOpeningElement(tagName, attributes, location) { + var node = createNode(244, location); + node.tagName = tagName; + node.attributes = createNodeArray(attributes); + return node; + } + ts.createJsxOpeningElement = createJsxOpeningElement; + function updateJsxOpeningElement(node, tagName, attributes) { + if (node.tagName !== tagName || node.attributes !== attributes) { + return updateNode(createJsxOpeningElement(tagName, attributes, node), node); } - function internIdentifier(text) { - text = ts.escapeIdentifier(text); - return identifiers[text] || (identifiers[text] = text); + return node; + } + ts.updateJsxOpeningElement = updateJsxOpeningElement; + function createJsxClosingElement(tagName, location) { + var node = createNode(245, location); + node.tagName = tagName; + return node; + } + ts.createJsxClosingElement = createJsxClosingElement; + function updateJsxClosingElement(node, tagName) { + if (node.tagName !== tagName) { + return updateNode(createJsxClosingElement(tagName, node), node); } - function createIdentifier(isIdentifier, diagnosticMessage) { - identifierCount++; - if (isIdentifier) { - var node = createNode(70); - if (token() !== 70) { - node.originalKeywordKind = token(); - } - node.text = internIdentifier(scanner.getTokenValue()); - nextToken(); - return finishNode(node); - } - return createMissingNode(70, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + return node; + } + ts.updateJsxClosingElement = updateJsxClosingElement; + function createJsxAttribute(name, initializer, location) { + var node = createNode(246, location); + node.name = name; + node.initializer = initializer; + return node; + } + ts.createJsxAttribute = createJsxAttribute; + function updateJsxAttribute(node, name, initializer) { + if (node.name !== name || node.initializer !== initializer) { + return updateNode(createJsxAttribute(name, initializer, node), node); } - function parseIdentifier(diagnosticMessage) { - return createIdentifier(isIdentifier(), diagnosticMessage); + return node; + } + ts.updateJsxAttribute = updateJsxAttribute; + function createJsxSpreadAttribute(expression, location) { + var node = createNode(247, location); + node.expression = expression; + return node; + } + ts.createJsxSpreadAttribute = createJsxSpreadAttribute; + function updateJsxSpreadAttribute(node, expression) { + if (node.expression !== expression) { + return updateNode(createJsxSpreadAttribute(expression, node), node); } - function parseIdentifierName() { - return createIdentifier(ts.tokenIsIdentifierOrKeyword(token())); + return node; + } + ts.updateJsxSpreadAttribute = updateJsxSpreadAttribute; + function createJsxExpression(expression, location) { + var node = createNode(248, location); + node.expression = expression; + return node; + } + ts.createJsxExpression = createJsxExpression; + function updateJsxExpression(node, expression) { + if (node.expression !== expression) { + return updateNode(createJsxExpression(expression, node), node); } - function isLiteralPropertyName() { - return ts.tokenIsIdentifierOrKeyword(token()) || - token() === 9 || - token() === 8; + return node; + } + ts.updateJsxExpression = updateJsxExpression; + function createHeritageClause(token, types, location) { + var node = createNode(251, location); + node.token = token; + node.types = createNodeArray(types); + return node; + } + ts.createHeritageClause = createHeritageClause; + function updateHeritageClause(node, types) { + if (node.types !== types) { + return updateNode(createHeritageClause(node.token, types, node), node); } - function parsePropertyNameWorker(allowComputedPropertyNames) { - if (token() === 9 || token() === 8) { - return parseLiteralNode(true); - } - if (allowComputedPropertyNames && token() === 20) { - return parseComputedPropertyName(); - } - return parseIdentifierName(); + return node; + } + ts.updateHeritageClause = updateHeritageClause; + function createCaseClause(expression, statements, location) { + var node = createNode(249, location); + node.expression = parenthesizeExpressionForList(expression); + node.statements = createNodeArray(statements); + return node; + } + ts.createCaseClause = createCaseClause; + function updateCaseClause(node, expression, statements) { + if (node.expression !== expression || node.statements !== statements) { + return updateNode(createCaseClause(expression, statements, node), node); } - function parsePropertyName() { - return parsePropertyNameWorker(true); + return node; + } + ts.updateCaseClause = updateCaseClause; + function createDefaultClause(statements, location) { + var node = createNode(250, location); + node.statements = createNodeArray(statements); + return node; + } + ts.createDefaultClause = createDefaultClause; + function updateDefaultClause(node, statements) { + if (node.statements !== statements) { + return updateNode(createDefaultClause(statements, node), node); } - function parseSimplePropertyName() { - return parsePropertyNameWorker(false); + return node; + } + ts.updateDefaultClause = updateDefaultClause; + function createCatchClause(variableDeclaration, block, location) { + var node = createNode(252, location); + node.variableDeclaration = typeof variableDeclaration === "string" ? createVariableDeclaration(variableDeclaration) : variableDeclaration; + node.block = block; + return node; + } + ts.createCatchClause = createCatchClause; + function updateCatchClause(node, variableDeclaration, block) { + if (node.variableDeclaration !== variableDeclaration || node.block !== block) { + return updateNode(createCatchClause(variableDeclaration, block, node), node); } - function isSimplePropertyName() { - return token() === 9 || token() === 8 || ts.tokenIsIdentifierOrKeyword(token()); + return node; + } + ts.updateCatchClause = updateCatchClause; + function createPropertyAssignment(name, initializer, location) { + var node = createNode(253, location); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.questionToken = undefined; + node.initializer = initializer !== undefined ? parenthesizeExpressionForList(initializer) : undefined; + return node; + } + ts.createPropertyAssignment = createPropertyAssignment; + function updatePropertyAssignment(node, name, initializer) { + if (node.name !== name || node.initializer !== initializer) { + return updateNode(createPropertyAssignment(name, initializer, node), node); } - function parseComputedPropertyName() { - var node = createNode(141); - parseExpected(20); - node.expression = allowInAnd(parseExpression); - parseExpected(21); - return finishNode(node); + return node; + } + ts.updatePropertyAssignment = updatePropertyAssignment; + function createShorthandPropertyAssignment(name, objectAssignmentInitializer, location) { + var node = createNode(254, location); + node.name = typeof name === "string" ? createIdentifier(name) : name; + node.objectAssignmentInitializer = objectAssignmentInitializer !== undefined ? parenthesizeExpressionForList(objectAssignmentInitializer) : undefined; + return node; + } + ts.createShorthandPropertyAssignment = createShorthandPropertyAssignment; + function updateShorthandPropertyAssignment(node, name, objectAssignmentInitializer) { + if (node.name !== name || node.objectAssignmentInitializer !== objectAssignmentInitializer) { + return updateNode(createShorthandPropertyAssignment(name, objectAssignmentInitializer, node), node); } - function parseContextualModifier(t) { - return token() === t && tryParse(nextTokenCanFollowModifier); + return node; + } + ts.updateShorthandPropertyAssignment = updateShorthandPropertyAssignment; + function updateSourceFileNode(node, statements) { + if (node.statements !== statements) { + var updated = createNode(256, node, node.flags); + updated.statements = createNodeArray(statements); + updated.endOfFileToken = node.endOfFileToken; + updated.fileName = node.fileName; + updated.path = node.path; + updated.text = node.text; + if (node.amdDependencies !== undefined) + updated.amdDependencies = node.amdDependencies; + if (node.moduleName !== undefined) + updated.moduleName = node.moduleName; + if (node.referencedFiles !== undefined) + updated.referencedFiles = node.referencedFiles; + if (node.typeReferenceDirectives !== undefined) + updated.typeReferenceDirectives = node.typeReferenceDirectives; + if (node.languageVariant !== undefined) + updated.languageVariant = node.languageVariant; + if (node.isDeclarationFile !== undefined) + updated.isDeclarationFile = node.isDeclarationFile; + if (node.renamedDependencies !== undefined) + updated.renamedDependencies = node.renamedDependencies; + if (node.hasNoDefaultLib !== undefined) + updated.hasNoDefaultLib = node.hasNoDefaultLib; + if (node.languageVersion !== undefined) + updated.languageVersion = node.languageVersion; + if (node.scriptKind !== undefined) + updated.scriptKind = node.scriptKind; + if (node.externalModuleIndicator !== undefined) + updated.externalModuleIndicator = node.externalModuleIndicator; + if (node.commonJsModuleIndicator !== undefined) + updated.commonJsModuleIndicator = node.commonJsModuleIndicator; + if (node.identifiers !== undefined) + updated.identifiers = node.identifiers; + if (node.nodeCount !== undefined) + updated.nodeCount = node.nodeCount; + if (node.identifierCount !== undefined) + updated.identifierCount = node.identifierCount; + if (node.symbolCount !== undefined) + updated.symbolCount = node.symbolCount; + if (node.parseDiagnostics !== undefined) + updated.parseDiagnostics = node.parseDiagnostics; + if (node.bindDiagnostics !== undefined) + updated.bindDiagnostics = node.bindDiagnostics; + if (node.lineMap !== undefined) + updated.lineMap = node.lineMap; + if (node.classifiableNames !== undefined) + updated.classifiableNames = node.classifiableNames; + if (node.resolvedModules !== undefined) + updated.resolvedModules = node.resolvedModules; + if (node.resolvedTypeReferenceDirectiveNames !== undefined) + updated.resolvedTypeReferenceDirectiveNames = node.resolvedTypeReferenceDirectiveNames; + if (node.imports !== undefined) + updated.imports = node.imports; + if (node.moduleAugmentations !== undefined) + updated.moduleAugmentations = node.moduleAugmentations; + if (node.externalHelpersModuleName !== undefined) + updated.externalHelpersModuleName = node.externalHelpersModuleName; + return updateNode(updated, node); } - function nextTokenIsOnSameLineAndCanFollowModifier() { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - return canFollowModifier(); + return node; + } + ts.updateSourceFileNode = updateSourceFileNode; + function createNotEmittedStatement(original) { + var node = createNode(287, original); + node.original = original; + return node; + } + ts.createNotEmittedStatement = createNotEmittedStatement; + function createPartiallyEmittedExpression(expression, original, location) { + var node = createNode(288, location || original); + node.expression = expression; + node.original = original; + return node; + } + ts.createPartiallyEmittedExpression = createPartiallyEmittedExpression; + function updatePartiallyEmittedExpression(node, expression) { + if (node.expression !== expression) { + return updateNode(createPartiallyEmittedExpression(expression, node.original, node), node); } - function nextTokenCanFollowModifier() { - if (token() === 75) { - return nextToken() === 82; + return node; + } + ts.updatePartiallyEmittedExpression = updatePartiallyEmittedExpression; + function createComma(left, right) { + return createBinary(left, 25, right); + } + ts.createComma = createComma; + function createLessThan(left, right, location) { + return createBinary(left, 26, right, location); + } + ts.createLessThan = createLessThan; + function createAssignment(left, right, location) { + return createBinary(left, 57, right, location); + } + ts.createAssignment = createAssignment; + function createStrictEquality(left, right) { + return createBinary(left, 33, right); + } + ts.createStrictEquality = createStrictEquality; + function createStrictInequality(left, right) { + return createBinary(left, 34, right); + } + ts.createStrictInequality = createStrictInequality; + function createAdd(left, right) { + return createBinary(left, 36, right); + } + ts.createAdd = createAdd; + function createSubtract(left, right) { + return createBinary(left, 37, right); + } + ts.createSubtract = createSubtract; + function createPostfixIncrement(operand, location) { + return createPostfix(operand, 42, location); + } + ts.createPostfixIncrement = createPostfixIncrement; + function createLogicalAnd(left, right) { + return createBinary(left, 52, right); + } + ts.createLogicalAnd = createLogicalAnd; + function createLogicalOr(left, right) { + return createBinary(left, 53, right); + } + ts.createLogicalOr = createLogicalOr; + function createLogicalNot(operand) { + return createPrefix(50, operand); + } + ts.createLogicalNot = createLogicalNot; + function createVoidZero() { + return createVoid(createLiteral(0)); + } + ts.createVoidZero = createVoidZero; + function createMemberAccessForPropertyName(target, memberName, location) { + if (ts.isComputedPropertyName(memberName)) { + return createElementAccess(target, memberName.expression, location); + } + else { + var expression = ts.isIdentifier(memberName) ? createPropertyAccess(target, memberName, location) : createElementAccess(target, memberName, location); + (expression.emitNode || (expression.emitNode = {})).flags |= 2048; + return expression; + } + } + ts.createMemberAccessForPropertyName = createMemberAccessForPropertyName; + function createRestParameter(name) { + return createParameterDeclaration(undefined, undefined, createToken(23), name, undefined, undefined, undefined); + } + ts.createRestParameter = createRestParameter; + function createFunctionCall(func, thisArg, argumentsList, location) { + return createCall(createPropertyAccess(func, "call"), undefined, [ + thisArg + ].concat(argumentsList), location); + } + ts.createFunctionCall = createFunctionCall; + function createFunctionApply(func, thisArg, argumentsExpression, location) { + return createCall(createPropertyAccess(func, "apply"), undefined, [ + thisArg, + argumentsExpression + ], location); + } + ts.createFunctionApply = createFunctionApply; + function createArraySlice(array, start) { + var argumentsList = []; + if (start !== undefined) { + argumentsList.push(typeof start === "number" ? createLiteral(start) : start); + } + return createCall(createPropertyAccess(array, "slice"), undefined, argumentsList); + } + ts.createArraySlice = createArraySlice; + function createArrayConcat(array, values) { + return createCall(createPropertyAccess(array, "concat"), undefined, values); + } + ts.createArrayConcat = createArrayConcat; + function createMathPow(left, right, location) { + return createCall(createPropertyAccess(createIdentifier("Math"), "pow"), undefined, [left, right], location); + } + ts.createMathPow = createMathPow; + function createReactNamespace(reactNamespace, parent) { + var react = createIdentifier(reactNamespace || "React"); + react.flags &= ~8; + react.parent = ts.getParseTreeNode(parent); + return react; + } + function createReactCreateElement(reactNamespace, tagName, props, children, parentElement, location) { + var argumentsList = [tagName]; + if (props) { + argumentsList.push(props); + } + if (children && children.length > 0) { + if (!props) { + argumentsList.push(createNull()); } - if (token() === 83) { - nextToken(); - if (token() === 78) { - return lookAhead(nextTokenIsClassOrFunctionOrAsync); + if (children.length > 1) { + for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { + var child = children_1[_i]; + child.startsOnNewLine = true; + argumentsList.push(child); } - return token() !== 38 && token() !== 117 && token() !== 16 && canFollowModifier(); } - if (token() === 78) { - return nextTokenIsClassOrFunctionOrAsync(); + else { + argumentsList.push(children[0]); } - if (token() === 114) { - nextToken(); - return canFollowModifier(); + } + return createCall(createPropertyAccess(createReactNamespace(reactNamespace, parentElement), "createElement"), undefined, argumentsList, location); + } + ts.createReactCreateElement = createReactCreateElement; + function createLetDeclarationList(declarations, location) { + return createVariableDeclarationList(declarations, location, 1); + } + ts.createLetDeclarationList = createLetDeclarationList; + function createConstDeclarationList(declarations, location) { + return createVariableDeclarationList(declarations, location, 2); + } + ts.createConstDeclarationList = createConstDeclarationList; + function createHelperName(externalHelpersModuleName, name) { + return externalHelpersModuleName + ? createPropertyAccess(externalHelpersModuleName, name) + : createIdentifier(name); + } + ts.createHelperName = createHelperName; + function createExtendsHelper(externalHelpersModuleName, name) { + return createCall(createHelperName(externalHelpersModuleName, "__extends"), undefined, [ + name, + createIdentifier("_super") + ]); + } + ts.createExtendsHelper = createExtendsHelper; + function createAssignHelper(externalHelpersModuleName, attributesSegments) { + return createCall(createHelperName(externalHelpersModuleName, "__assign"), undefined, attributesSegments); + } + ts.createAssignHelper = createAssignHelper; + function createParamHelper(externalHelpersModuleName, expression, parameterOffset, location) { + return createCall(createHelperName(externalHelpersModuleName, "__param"), undefined, [ + createLiteral(parameterOffset), + expression + ], location); + } + ts.createParamHelper = createParamHelper; + function createMetadataHelper(externalHelpersModuleName, metadataKey, metadataValue) { + return createCall(createHelperName(externalHelpersModuleName, "__metadata"), undefined, [ + createLiteral(metadataKey), + metadataValue + ]); + } + ts.createMetadataHelper = createMetadataHelper; + function createDecorateHelper(externalHelpersModuleName, decoratorExpressions, target, memberName, descriptor, location) { + var argumentsArray = []; + argumentsArray.push(createArrayLiteral(decoratorExpressions, undefined, true)); + argumentsArray.push(target); + if (memberName) { + argumentsArray.push(memberName); + if (descriptor) { + argumentsArray.push(descriptor); } - return nextTokenIsOnSameLineAndCanFollowModifier(); } - function parseAnyContextualModifier() { - return ts.isModifierKind(token()) && tryParse(nextTokenCanFollowModifier); + return createCall(createHelperName(externalHelpersModuleName, "__decorate"), undefined, argumentsArray, location); + } + ts.createDecorateHelper = createDecorateHelper; + function createAwaiterHelper(externalHelpersModuleName, hasLexicalArguments, promiseConstructor, body) { + var generatorFunc = createFunctionExpression(undefined, createToken(38), undefined, undefined, [], undefined, body); + (generatorFunc.emitNode || (generatorFunc.emitNode = {})).flags |= 2097152; + return createCall(createHelperName(externalHelpersModuleName, "__awaiter"), undefined, [ + createThis(), + hasLexicalArguments ? createIdentifier("arguments") : createVoidZero(), + promiseConstructor ? createExpressionFromEntityName(promiseConstructor) : createVoidZero(), + generatorFunc + ]); + } + ts.createAwaiterHelper = createAwaiterHelper; + function createHasOwnProperty(target, propertyName) { + return createCall(createPropertyAccess(target, "hasOwnProperty"), undefined, [propertyName]); + } + ts.createHasOwnProperty = createHasOwnProperty; + function createObjectCreate(prototype) { + return createCall(createPropertyAccess(createIdentifier("Object"), "create"), undefined, [prototype]); + } + function createGeti(target) { + return createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createElementAccess(target, createIdentifier("name"))); + } + function createSeti(target) { + return createArrowFunction(undefined, undefined, [ + createParameter("name"), + createParameter("value") + ], undefined, undefined, createAssignment(createElementAccess(target, createIdentifier("name")), createIdentifier("value"))); + } + function createAdvancedAsyncSuperHelper() { + var createCache = createVariableStatement(undefined, createConstDeclarationList([ + createVariableDeclaration("cache", undefined, createObjectCreate(createNull())) + ])); + var getter = createGetAccessor(undefined, undefined, "value", [], undefined, createBlock([ + createReturn(createCall(createIdentifier("geti"), undefined, [createIdentifier("name")])) + ])); + var setter = createSetAccessor(undefined, undefined, "value", [createParameter("v")], createBlock([ + createStatement(createCall(createIdentifier("seti"), undefined, [ + createIdentifier("name"), + createIdentifier("v") + ])) + ])); + var getOrCreateAccessorsForName = createReturn(createArrowFunction(undefined, undefined, [createParameter("name")], undefined, undefined, createLogicalOr(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createParen(createAssignment(createElementAccess(createIdentifier("cache"), createIdentifier("name")), createObjectLiteral([ + getter, + setter + ])))))); + return createVariableStatement(undefined, createConstDeclarationList([ + createVariableDeclaration("_super", undefined, createCall(createParen(createFunctionExpression(undefined, undefined, undefined, undefined, [ + createParameter("geti"), + createParameter("seti") + ], undefined, createBlock([ + createCache, + getOrCreateAccessorsForName + ]))), undefined, [ + createGeti(createSuper()), + createSeti(createSuper()) + ])) + ])); + } + ts.createAdvancedAsyncSuperHelper = createAdvancedAsyncSuperHelper; + function createSimpleAsyncSuperHelper() { + return createVariableStatement(undefined, createConstDeclarationList([ + createVariableDeclaration("_super", undefined, createGeti(createSuper())) + ])); + } + ts.createSimpleAsyncSuperHelper = createSimpleAsyncSuperHelper; + function shouldBeCapturedInTempVariable(node, cacheIdentifiers) { + var target = skipParentheses(node); + switch (target.kind) { + case 70: + return cacheIdentifiers; + case 98: + case 8: + case 9: + return false; + case 171: + var elements = target.elements; + if (elements.length === 0) { + return false; + } + return true; + case 172: + return target.properties.length > 0; + default: + return true; } - function canFollowModifier() { - return token() === 20 - || token() === 16 - || token() === 38 - || token() === 23 - || isLiteralPropertyName(); + } + function createCallBinding(expression, recordTempVariable, languageVersion, cacheIdentifiers) { + var callee = skipOuterExpressions(expression, 7); + var thisArg; + var target; + if (ts.isSuperProperty(callee)) { + thisArg = createThis(); + target = callee; } - function nextTokenIsClassOrFunctionOrAsync() { - nextToken(); - return token() === 74 || token() === 88 || - (token() === 119 && lookAhead(nextTokenIsFunctionKeywordOnSameLine)); + else if (callee.kind === 96) { + thisArg = createThis(); + target = languageVersion < 2 ? createIdentifier("_super", callee) : callee; } - function isListElement(parsingContext, inErrorRecovery) { - var node = currentNode(parsingContext); - if (node) { - return true; - } - switch (parsingContext) { - case 0: - case 1: - case 3: - return !(token() === 24 && inErrorRecovery) && isStartOfStatement(); - case 2: - return token() === 72 || token() === 78; - case 4: - return lookAhead(isTypeMemberStart); - case 5: - return lookAhead(isClassMemberStart) || (token() === 24 && !inErrorRecovery); - case 6: - return token() === 20 || isLiteralPropertyName(); - case 12: - return token() === 20 || token() === 38 || isLiteralPropertyName(); - case 9: - return token() === 20 || isLiteralPropertyName(); - case 7: - if (token() === 16) { - return lookAhead(isValidHeritageClauseObjectLiteral); + else { + switch (callee.kind) { + case 173: { + if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { + thisArg = createTempVariable(recordTempVariable); + target = createPropertyAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.name, callee); } - if (!inErrorRecovery) { - return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); + else { + thisArg = callee.expression; + target = callee; + } + break; + } + case 174: { + if (shouldBeCapturedInTempVariable(callee.expression, cacheIdentifiers)) { + thisArg = createTempVariable(recordTempVariable); + target = createElementAccess(createAssignment(thisArg, callee.expression, callee.expression), callee.argumentExpression, callee); } else { - return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + thisArg = callee.expression; + target = callee; } - case 8: - return isIdentifierOrPattern(); - case 10: - return token() === 25 || token() === 23 || isIdentifierOrPattern(); - case 17: - return isIdentifier(); - case 11: - case 15: - return token() === 25 || token() === 23 || isStartOfExpression(); - case 16: - return isStartOfParameter(); - case 18: - case 19: - return token() === 25 || isStartOfType(); - case 20: - return isHeritageClause(); - case 21: - return ts.tokenIsIdentifierOrKeyword(token()); - case 13: - return ts.tokenIsIdentifierOrKeyword(token()) || token() === 16; - case 14: - return true; - case 22: - case 23: - case 25: - return JSDocParser.isJSDocType(); - case 24: - return isSimplePropertyName(); - } - ts.Debug.fail("Non-exhaustive case in 'isListElement'."); - } - function isValidHeritageClauseObjectLiteral() { - ts.Debug.assert(token() === 16); - if (nextToken() === 17) { - var next = nextToken(); - return next === 25 || next === 16 || next === 84 || next === 107; + break; + } + default: { + thisArg = createVoidZero(); + target = parenthesizeForAccess(expression); + break; + } } - return true; - } - function nextTokenIsIdentifier() { - nextToken(); - return isIdentifier(); - } - function nextTokenIsIdentifierOrKeyword() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token()); } - function isHeritageClauseExtendsOrImplementsKeyword() { - if (token() === 107 || - token() === 84) { - return lookAhead(nextTokenIsStartOfExpression); - } - return false; + return { target: target, thisArg: thisArg }; + } + ts.createCallBinding = createCallBinding; + function inlineExpressions(expressions) { + return ts.reduceLeft(expressions, createComma); + } + ts.inlineExpressions = inlineExpressions; + function createExpressionFromEntityName(node) { + if (ts.isQualifiedName(node)) { + var left = createExpressionFromEntityName(node.left); + var right = getMutableClone(node.right); + return createPropertyAccess(left, right, node); } - function nextTokenIsStartOfExpression() { - nextToken(); - return isStartOfExpression(); + else { + return getMutableClone(node); } - function isListTerminator(kind) { - if (token() === 1) { - return true; - } - switch (kind) { - case 1: - case 2: - case 4: - case 5: - case 6: - case 12: - case 9: - case 21: - return token() === 17; - case 3: - return token() === 17 || token() === 72 || token() === 78; - case 7: - return token() === 16 || token() === 84 || token() === 107; - case 8: - return isVariableDeclaratorListTerminator(); - case 17: - return token() === 28 || token() === 18 || token() === 16 || token() === 84 || token() === 107; - case 11: - return token() === 19 || token() === 24; - case 15: - case 19: - case 10: - return token() === 21; - case 16: - return token() === 19 || token() === 21; - case 18: - return token() !== 25; - case 20: - return token() === 16 || token() === 17; - case 13: - return token() === 28 || token() === 40; - case 14: - return token() === 26 && lookAhead(nextTokenIsSlash); - case 22: - return token() === 19 || token() === 55 || token() === 17; - case 23: - return token() === 28 || token() === 17; - case 25: - return token() === 21 || token() === 17; - case 24: - return token() === 17; - } + } + ts.createExpressionFromEntityName = createExpressionFromEntityName; + function createExpressionForPropertyName(memberName) { + if (ts.isIdentifier(memberName)) { + return createLiteral(memberName, undefined); } - function isVariableDeclaratorListTerminator() { - if (canParseSemicolon()) { - return true; - } - if (isInOrOfKeyword(token())) { - return true; + else if (ts.isComputedPropertyName(memberName)) { + return getMutableClone(memberName.expression); + } + else { + return getMutableClone(memberName); + } + } + ts.createExpressionForPropertyName = createExpressionForPropertyName; + function createExpressionForObjectLiteralElementLike(node, property, receiver) { + switch (property.kind) { + case 150: + case 151: + return createExpressionForAccessorDeclaration(node.properties, property, receiver, node.multiLine); + case 253: + return createExpressionForPropertyAssignment(property, receiver); + case 254: + return createExpressionForShorthandPropertyAssignment(property, receiver); + case 148: + return createExpressionForMethodDeclaration(property, receiver); + } + } + ts.createExpressionForObjectLiteralElementLike = createExpressionForObjectLiteralElementLike; + function createExpressionForAccessorDeclaration(properties, property, receiver, multiLine) { + var _a = ts.getAllAccessorDeclarations(properties, property), firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + if (property === firstAccessor) { + var properties_1 = []; + if (getAccessor) { + var getterFunction = createFunctionExpression(getAccessor.modifiers, undefined, undefined, undefined, getAccessor.parameters, undefined, getAccessor.body, getAccessor); + setOriginalNode(getterFunction, getAccessor); + var getter = createPropertyAssignment("get", getterFunction); + properties_1.push(getter); } - if (token() === 35) { - return true; + if (setAccessor) { + var setterFunction = createFunctionExpression(setAccessor.modifiers, undefined, undefined, undefined, setAccessor.parameters, undefined, setAccessor.body, setAccessor); + setOriginalNode(setterFunction, setAccessor); + var setter = createPropertyAssignment("set", setterFunction); + properties_1.push(setter); } - return false; + properties_1.push(createPropertyAssignment("enumerable", createLiteral(true))); + properties_1.push(createPropertyAssignment("configurable", createLiteral(true))); + var expression = createCall(createPropertyAccess(createIdentifier("Object"), "defineProperty"), undefined, [ + receiver, + createExpressionForPropertyName(property.name), + createObjectLiteral(properties_1, undefined, multiLine) + ], firstAccessor); + return ts.aggregateTransformFlags(expression); } - function isInSomeParsingContext() { - for (var kind = 0; kind < 26; kind++) { - if (parsingContext & (1 << kind)) { - if (isListElement(kind, true) || isListTerminator(kind)) { - return true; - } + return undefined; + } + function createExpressionForPropertyAssignment(property, receiver) { + return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), property.initializer, property), property)); + } + function createExpressionForShorthandPropertyAssignment(property, receiver) { + return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, property.name, property.name), getSynthesizedClone(property.name), property), property)); + } + function createExpressionForMethodDeclaration(method, receiver) { + return ts.aggregateTransformFlags(setOriginalNode(createAssignment(createMemberAccessForPropertyName(receiver, method.name, method.name), setOriginalNode(createFunctionExpression(method.modifiers, method.asteriskToken, undefined, undefined, method.parameters, undefined, method.body, method), method), method), method)); + } + function isUseStrictPrologue(node) { + return node.expression.text === "use strict"; + } + function addPrologueDirectives(target, source, ensureUseStrict, visitor) { + ts.Debug.assert(target.length === 0, "Prologue directives should be at the first statement in the target statements array"); + var foundUseStrict = false; + var statementOffset = 0; + var numStatements = source.length; + while (statementOffset < numStatements) { + var statement = source[statementOffset]; + if (ts.isPrologueDirective(statement)) { + if (isUseStrictPrologue(statement)) { + foundUseStrict = true; } + target.push(statement); } - return false; - } - function parseList(kind, parseElement) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = createNodeArray(); - while (!isListTerminator(kind)) { - if (isListElement(kind, false)) { - var element = parseListElement(kind, parseElement); - result.push(element); - continue; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } + else { + break; } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; + statementOffset++; } - function parseListElement(parsingContext, parseElement) { - var node = currentNode(parsingContext); - if (node) { - return consumeNode(node); - } - return parseElement(); + if (ensureUseStrict && !foundUseStrict) { + target.push(startOnNewLine(createStatement(createLiteral("use strict")))); } - function currentNode(parsingContext) { - if (parseErrorBeforeNextFinishedNode) { - return undefined; - } - if (!syntaxCursor) { - return undefined; - } - var node = syntaxCursor.currentNode(scanner.getStartPos()); - if (ts.nodeIsMissing(node)) { - return undefined; - } - if (node.intersectsChange) { - return undefined; + while (statementOffset < numStatements) { + var statement = source[statementOffset]; + if (getEmitFlags(statement) & 8388608) { + target.push(visitor ? ts.visitNode(statement, visitor, ts.isStatement) : statement); } - if (ts.containsParseError(node)) { - return undefined; + else { + break; } - var nodeContextFlags = node.flags & 1540096; - if (nodeContextFlags !== contextFlags) { - return undefined; + statementOffset++; + } + return statementOffset; + } + ts.addPrologueDirectives = addPrologueDirectives; + function ensureUseStrict(node) { + var foundUseStrict = false; + for (var _i = 0, _a = node.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + if (ts.isPrologueDirective(statement)) { + if (isUseStrictPrologue(statement)) { + foundUseStrict = true; + break; + } } - if (!canReuseNode(node, parsingContext)) { - return undefined; + else { + break; } - return node; } - function consumeNode(node) { - scanner.setTextPos(node.end); - nextToken(); - return node; + if (!foundUseStrict) { + var statements = []; + statements.push(startOnNewLine(createStatement(createLiteral("use strict")))); + return updateSourceFileNode(node, statements.concat(node.statements)); } - function canReuseNode(node, parsingContext) { - switch (parsingContext) { - case 5: - return isReusableClassMember(node); - case 2: - return isReusableSwitchClause(node); - case 0: - case 1: - case 3: - return isReusableStatement(node); - case 6: - return isReusableEnumMember(node); - case 4: - return isReusableTypeMember(node); - case 8: - return isReusableVariableDeclaration(node); - case 16: - return isReusableParameter(node); - case 20: - case 17: - case 19: - case 18: - case 11: - case 12: - case 7: - case 13: - case 14: - } - return false; + return node; + } + ts.ensureUseStrict = ensureUseStrict; + function parenthesizeBinaryOperand(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { + var skipped = skipPartiallyEmittedExpressions(operand); + if (skipped.kind === 179) { + return operand; } - function isReusableClassMember(node) { - if (node) { - switch (node.kind) { - case 149: - case 154: - case 150: - case 151: - case 146: - case 199: - return true; - case 148: - var methodDeclaration = node; - var nameIsConstructor = methodDeclaration.name.kind === 70 && - methodDeclaration.name.originalKeywordKind === 122; - return !nameIsConstructor; + return binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) + ? createParen(operand) + : operand; + } + ts.parenthesizeBinaryOperand = parenthesizeBinaryOperand; + function binaryOperandNeedsParentheses(binaryOperator, operand, isLeftSideOfBinary, leftOperand) { + var binaryOperatorPrecedence = ts.getOperatorPrecedence(188, binaryOperator); + var binaryOperatorAssociativity = ts.getOperatorAssociativity(188, binaryOperator); + var emittedOperand = skipPartiallyEmittedExpressions(operand); + var operandPrecedence = ts.getExpressionPrecedence(emittedOperand); + switch (ts.compareValues(operandPrecedence, binaryOperatorPrecedence)) { + case -1: + if (!isLeftSideOfBinary + && binaryOperatorAssociativity === 1 + && operand.kind === 191) { + return false; } - } - return false; - } - function isReusableSwitchClause(node) { - if (node) { - switch (node.kind) { - case 249: - case 250: - return true; + return true; + case 1: + return false; + case 0: + if (isLeftSideOfBinary) { + return binaryOperatorAssociativity === 1; } - } - return false; - } - function isReusableStatement(node) { - if (node) { - switch (node.kind) { - case 221: - case 201: - case 200: - case 204: - case 203: - case 216: - case 212: - case 214: - case 211: - case 210: - case 208: - case 209: - case 207: - case 206: - case 213: - case 202: - case 217: - case 215: - case 205: - case 218: - case 231: - case 230: - case 237: - case 236: - case 226: - case 222: - case 223: - case 225: - case 224: - return true; + else { + if (ts.isBinaryExpression(emittedOperand) + && emittedOperand.operatorToken.kind === binaryOperator) { + if (operatorHasAssociativeProperty(binaryOperator)) { + return false; + } + if (binaryOperator === 36) { + var leftKind = leftOperand ? getLiteralKindOfBinaryPlusOperand(leftOperand) : 0; + if (ts.isLiteralKind(leftKind) && leftKind === getLiteralKindOfBinaryPlusOperand(emittedOperand)) { + return false; + } + } + } + var operandAssociativity = ts.getExpressionAssociativity(emittedOperand); + return operandAssociativity === 0; } + } + } + function operatorHasAssociativeProperty(binaryOperator) { + return binaryOperator === 38 + || binaryOperator === 48 + || binaryOperator === 47 + || binaryOperator === 49; + } + function getLiteralKindOfBinaryPlusOperand(node) { + node = skipPartiallyEmittedExpressions(node); + if (ts.isLiteralKind(node.kind)) { + return node.kind; + } + if (node.kind === 188 && node.operatorToken.kind === 36) { + if (node.cachedLiteralKind !== undefined) { + return node.cachedLiteralKind; } - return false; + var leftKind = getLiteralKindOfBinaryPlusOperand(node.left); + var literalKind = ts.isLiteralKind(leftKind) + && leftKind === getLiteralKindOfBinaryPlusOperand(node.right) + ? leftKind + : 0; + node.cachedLiteralKind = literalKind; + return literalKind; } - function isReusableEnumMember(node) { - return node.kind === 255; + return 0; + } + function parenthesizeForNew(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + switch (emittedExpression.kind) { + case 175: + return createParen(expression); + case 176: + return emittedExpression.arguments + ? expression + : createParen(expression); } - function isReusableTypeMember(node) { - if (node) { - switch (node.kind) { - case 153: - case 147: - case 154: - case 145: - case 152: - return true; + return parenthesizeForAccess(expression); + } + ts.parenthesizeForNew = parenthesizeForNew; + function parenthesizeForAccess(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + if (ts.isLeftHandSideExpression(emittedExpression) + && (emittedExpression.kind !== 176 || emittedExpression.arguments) + && emittedExpression.kind !== 8) { + return expression; + } + return createParen(expression, expression); + } + ts.parenthesizeForAccess = parenthesizeForAccess; + function parenthesizePostfixOperand(operand) { + return ts.isLeftHandSideExpression(operand) + ? operand + : createParen(operand, operand); + } + ts.parenthesizePostfixOperand = parenthesizePostfixOperand; + function parenthesizePrefixOperand(operand) { + return ts.isUnaryExpression(operand) + ? operand + : createParen(operand, operand); + } + ts.parenthesizePrefixOperand = parenthesizePrefixOperand; + function parenthesizeListElements(elements) { + var result; + for (var i = 0; i < elements.length; i++) { + var element = parenthesizeExpressionForList(elements[i]); + if (result !== undefined || element !== elements[i]) { + if (result === undefined) { + result = elements.slice(0, i); } + result.push(element); } - return false; } - function isReusableVariableDeclaration(node) { - if (node.kind !== 219) { - return false; - } - var variableDeclarator = node; - return variableDeclarator.initializer === undefined; + if (result !== undefined) { + return createNodeArray(result, elements, elements.hasTrailingComma); } - function isReusableParameter(node) { - if (node.kind !== 143) { - return false; + return elements; + } + function parenthesizeExpressionForList(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + var expressionPrecedence = ts.getExpressionPrecedence(emittedExpression); + var commaPrecedence = ts.getOperatorPrecedence(188, 25); + return expressionPrecedence > commaPrecedence + ? expression + : createParen(expression, expression); + } + ts.parenthesizeExpressionForList = parenthesizeExpressionForList; + function parenthesizeExpressionForExpressionStatement(expression) { + var emittedExpression = skipPartiallyEmittedExpressions(expression); + if (ts.isCallExpression(emittedExpression)) { + var callee = emittedExpression.expression; + var kind = skipPartiallyEmittedExpressions(callee).kind; + if (kind === 180 || kind === 181) { + var mutableCall = getMutableClone(emittedExpression); + mutableCall.expression = createParen(callee, callee); + return recreatePartiallyEmittedExpressions(expression, mutableCall); } - var parameter = node; - return parameter.initializer === undefined; } - function abortParsingListOrMoveToNextToken(kind) { - parseErrorAtCurrentToken(parsingContextErrors(kind)); - if (isInSomeParsingContext()) { - return true; + else { + var leftmostExpressionKind = getLeftmostExpression(emittedExpression).kind; + if (leftmostExpressionKind === 172 || leftmostExpressionKind === 180) { + return createParen(expression, expression); } - nextToken(); - return false; } - function parsingContextErrors(context) { - switch (context) { - case 0: return ts.Diagnostics.Declaration_or_statement_expected; - case 1: return ts.Diagnostics.Declaration_or_statement_expected; - case 2: return ts.Diagnostics.case_or_default_expected; - case 3: return ts.Diagnostics.Statement_expected; - case 4: return ts.Diagnostics.Property_or_signature_expected; - case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; - case 6: return ts.Diagnostics.Enum_member_expected; - case 7: return ts.Diagnostics.Expression_expected; - case 8: return ts.Diagnostics.Variable_declaration_expected; - case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; - case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; - case 11: return ts.Diagnostics.Argument_expression_expected; - case 12: return ts.Diagnostics.Property_assignment_expected; - case 15: return ts.Diagnostics.Expression_or_comma_expected; - case 16: return ts.Diagnostics.Parameter_declaration_expected; - case 17: return ts.Diagnostics.Type_parameter_declaration_expected; - case 18: return ts.Diagnostics.Type_argument_expected; - case 19: return ts.Diagnostics.Type_expected; - case 20: return ts.Diagnostics.Unexpected_token_expected; - case 21: return ts.Diagnostics.Identifier_expected; - case 13: return ts.Diagnostics.Identifier_expected; - case 14: return ts.Diagnostics.Identifier_expected; - case 22: return ts.Diagnostics.Parameter_declaration_expected; - case 23: return ts.Diagnostics.Type_argument_expected; - case 25: return ts.Diagnostics.Type_expected; - case 24: return ts.Diagnostics.Property_assignment_expected; - } + return expression; + } + ts.parenthesizeExpressionForExpressionStatement = parenthesizeExpressionForExpressionStatement; + function recreatePartiallyEmittedExpressions(originalOuterExpression, newInnerExpression) { + if (ts.isPartiallyEmittedExpression(originalOuterExpression)) { + var clone_1 = getMutableClone(originalOuterExpression); + clone_1.expression = recreatePartiallyEmittedExpressions(clone_1.expression, newInnerExpression); + return clone_1; } - ; - function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimiter) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = createNodeArray(); - var commaStart = -1; - while (true) { - if (isListElement(kind, false)) { - result.push(parseListElement(kind, parseElement)); - commaStart = scanner.getTokenPos(); - if (parseOptional(25)) { - continue; - } - commaStart = -1; - if (isListTerminator(kind)) { - break; - } - parseExpected(25); - if (considerSemicolonAsDelimiter && token() === 24 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - } + return newInnerExpression; + } + function getLeftmostExpression(node) { + while (true) { + switch (node.kind) { + case 187: + node = node.operand; + continue; + case 188: + node = node.left; + continue; + case 189: + node = node.condition; + continue; + case 175: + case 174: + case 173: + node = node.expression; + continue; + case 288: + node = node.expression; continue; - } - if (isListTerminator(kind)) { - break; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - if (commaStart >= 0) { - result.hasTrailingComma = true; - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function createMissingList() { - return createNodeArray(); - } - function parseBracketedList(kind, parseElement, open, close) { - if (parseExpected(open)) { - var result = parseDelimitedList(kind, parseElement); - parseExpected(close); - return result; } - return createMissingList(); + return node; } - function parseEntityName(allowReservedWords, diagnosticMessage) { - var entity = parseIdentifier(diagnosticMessage); - while (parseOptional(22)) { - var node = createNode(140, entity.pos); - node.left = entity; - node.right = parseRightSideOfDot(allowReservedWords); - entity = finishNode(node); - } - return entity; + } + function parenthesizeConciseBody(body) { + var emittedBody = skipPartiallyEmittedExpressions(body); + if (emittedBody.kind === 172) { + return createParen(body, body); } - function parseRightSideOfDot(allowIdentifierNames) { - if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) { - var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - if (matchesPattern) { - return createMissingNode(70, true, ts.Diagnostics.Identifier_expected); - } + return body; + } + ts.parenthesizeConciseBody = parenthesizeConciseBody; + function skipOuterExpressions(node, kinds) { + if (kinds === void 0) { kinds = 7; } + var previousNode; + do { + previousNode = node; + if (kinds & 1) { + node = skipParentheses(node); } - return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); - } - function parseTemplateExpression() { - var template = createNode(190); - template.head = parseTemplateHead(); - ts.Debug.assert(template.head.kind === 13, "Template head has wrong token kind"); - var templateSpans = createNodeArray(); - do { - templateSpans.push(parseTemplateSpan()); - } while (ts.lastOrUndefined(templateSpans).literal.kind === 14); - templateSpans.end = getNodeEnd(); - template.templateSpans = templateSpans; - return finishNode(template); - } - function parseTemplateSpan() { - var span = createNode(198); - span.expression = allowInAnd(parseExpression); - var literal; - if (token() === 17) { - reScanTemplateToken(); - literal = parseTemplateMiddleOrTemplateTail(); + if (kinds & 2) { + node = skipAssertions(node); } - else { - literal = parseExpectedToken(15, false, ts.Diagnostics._0_expected, ts.tokenToString(17)); + if (kinds & 4) { + node = skipPartiallyEmittedExpressions(node); } - span.literal = literal; - return finishNode(span); + } while (previousNode !== node); + return node; + } + ts.skipOuterExpressions = skipOuterExpressions; + function skipParentheses(node) { + while (node.kind === 179) { + node = node.expression; } - function parseLiteralNode(internName) { - return parseLiteralLikeNode(token(), internName); + return node; + } + ts.skipParentheses = skipParentheses; + function skipAssertions(node) { + while (ts.isAssertionExpression(node)) { + node = node.expression; } - function parseTemplateHead() { - var fragment = parseLiteralLikeNode(token(), false); - ts.Debug.assert(fragment.kind === 13, "Template head has wrong token kind"); - return fragment; + return node; + } + ts.skipAssertions = skipAssertions; + function skipPartiallyEmittedExpressions(node) { + while (node.kind === 288) { + node = node.expression; } - function parseTemplateMiddleOrTemplateTail() { - var fragment = parseLiteralLikeNode(token(), false); - ts.Debug.assert(fragment.kind === 14 || fragment.kind === 15, "Template fragment has wrong token kind"); - return fragment; + return node; + } + ts.skipPartiallyEmittedExpressions = skipPartiallyEmittedExpressions; + function startOnNewLine(node) { + node.startsOnNewLine = true; + return node; + } + ts.startOnNewLine = startOnNewLine; + function setOriginalNode(node, original) { + node.original = original; + if (original) { + var emitNode = original.emitNode; + if (emitNode) + node.emitNode = mergeEmitNode(emitNode, node.emitNode); } - function parseLiteralLikeNode(kind, internName) { - var node = createNode(kind); - var text = scanner.getTokenValue(); - node.text = internName ? internIdentifier(text) : text; - if (scanner.hasExtendedUnicodeEscape()) { - node.hasExtendedUnicodeEscape = true; - } - if (scanner.isUnterminated()) { - node.isUnterminated = true; - } - var tokenPos = scanner.getTokenPos(); - nextToken(); - finishNode(node); - if (node.kind === 8 - && sourceText.charCodeAt(tokenPos) === 48 - && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { - node.isOctalLiteral = true; + return node; + } + ts.setOriginalNode = setOriginalNode; + function mergeEmitNode(sourceEmitNode, destEmitNode) { + var flags = sourceEmitNode.flags, commentRange = sourceEmitNode.commentRange, sourceMapRange = sourceEmitNode.sourceMapRange, tokenSourceMapRanges = sourceEmitNode.tokenSourceMapRanges; + if (!destEmitNode && (flags || commentRange || sourceMapRange || tokenSourceMapRanges)) + destEmitNode = {}; + if (flags) + destEmitNode.flags = flags; + if (commentRange) + destEmitNode.commentRange = commentRange; + if (sourceMapRange) + destEmitNode.sourceMapRange = sourceMapRange; + if (tokenSourceMapRanges) + destEmitNode.tokenSourceMapRanges = mergeTokenSourceMapRanges(tokenSourceMapRanges, destEmitNode.tokenSourceMapRanges); + return destEmitNode; + } + function mergeTokenSourceMapRanges(sourceRanges, destRanges) { + if (!destRanges) + destRanges = ts.createMap(); + ts.copyProperties(sourceRanges, destRanges); + return destRanges; + } + function disposeEmitNodes(sourceFile) { + sourceFile = ts.getSourceFileOfNode(ts.getParseTreeNode(sourceFile)); + var emitNode = sourceFile && sourceFile.emitNode; + var annotatedNodes = emitNode && emitNode.annotatedNodes; + if (annotatedNodes) { + for (var _i = 0, annotatedNodes_1 = annotatedNodes; _i < annotatedNodes_1.length; _i++) { + var node = annotatedNodes_1[_i]; + node.emitNode = undefined; } - return node; } - function parseTypeReference() { - var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); - var node = createNode(156, typeName.pos); - node.typeName = typeName; - if (!scanner.hasPrecedingLineBreak() && token() === 26) { - node.typeArguments = parseBracketedList(18, parseType, 26, 28); + } + ts.disposeEmitNodes = disposeEmitNodes; + function getOrCreateEmitNode(node) { + if (!node.emitNode) { + if (ts.isParseTreeNode(node)) { + if (node.kind === 256) { + return node.emitNode = { annotatedNodes: [node] }; + } + var sourceFile = ts.getSourceFileOfNode(node); + getOrCreateEmitNode(sourceFile).annotatedNodes.push(node); } - return finishNode(node); + node.emitNode = {}; } - function parseThisTypePredicate(lhs) { - nextToken(); - var node = createNode(155, lhs.pos); - node.parameterName = lhs; - node.type = parseType(); - return finishNode(node); + return node.emitNode; + } + function getEmitFlags(node) { + var emitNode = node.emitNode; + return emitNode && emitNode.flags; + } + ts.getEmitFlags = getEmitFlags; + function setEmitFlags(node, emitFlags) { + getOrCreateEmitNode(node).flags = emitFlags; + return node; + } + ts.setEmitFlags = setEmitFlags; + function setSourceMapRange(node, range) { + getOrCreateEmitNode(node).sourceMapRange = range; + return node; + } + ts.setSourceMapRange = setSourceMapRange; + function setTokenSourceMapRange(node, token, range) { + var emitNode = getOrCreateEmitNode(node); + var tokenSourceMapRanges = emitNode.tokenSourceMapRanges || (emitNode.tokenSourceMapRanges = ts.createMap()); + tokenSourceMapRanges[token] = range; + return node; + } + ts.setTokenSourceMapRange = setTokenSourceMapRange; + function setCommentRange(node, range) { + getOrCreateEmitNode(node).commentRange = range; + return node; + } + ts.setCommentRange = setCommentRange; + function getCommentRange(node) { + var emitNode = node.emitNode; + return (emitNode && emitNode.commentRange) || node; + } + ts.getCommentRange = getCommentRange; + function getSourceMapRange(node) { + var emitNode = node.emitNode; + return (emitNode && emitNode.sourceMapRange) || node; + } + ts.getSourceMapRange = getSourceMapRange; + function getTokenSourceMapRange(node, token) { + var emitNode = node.emitNode; + var tokenSourceMapRanges = emitNode && emitNode.tokenSourceMapRanges; + return tokenSourceMapRanges && tokenSourceMapRanges[token]; + } + ts.getTokenSourceMapRange = getTokenSourceMapRange; + function getConstantValue(node) { + var emitNode = node.emitNode; + return emitNode && emitNode.constantValue; + } + ts.getConstantValue = getConstantValue; + function setConstantValue(node, value) { + var emitNode = getOrCreateEmitNode(node); + emitNode.constantValue = value; + return node; + } + ts.setConstantValue = setConstantValue; + function setTextRange(node, location) { + if (location) { + node.pos = location.pos; + node.end = location.end; } - function parseThisTypeNode() { - var node = createNode(166); - nextToken(); - return finishNode(node); + return node; + } + ts.setTextRange = setTextRange; + function setNodeFlags(node, flags) { + node.flags = flags; + return node; + } + ts.setNodeFlags = setNodeFlags; + function setMultiLine(node, multiLine) { + node.multiLine = multiLine; + return node; + } + ts.setMultiLine = setMultiLine; + function setHasTrailingComma(nodes, hasTrailingComma) { + nodes.hasTrailingComma = hasTrailingComma; + return nodes; + } + ts.setHasTrailingComma = setHasTrailingComma; + function getLocalNameForExternalImport(node, sourceFile) { + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + var name_12 = namespaceDeclaration.name; + return ts.isGeneratedIdentifier(name_12) ? name_12 : createIdentifier(ts.getSourceTextOfNodeFromSourceFile(sourceFile, namespaceDeclaration.name)); } - function parseTypeQuery() { - var node = createNode(159); - parseExpected(102); - node.exprName = parseEntityName(true); - return finishNode(node); + if (node.kind === 231 && node.importClause) { + return getGeneratedNameForNode(node); } - function parseTypeParameter() { - var node = createNode(142); - node.name = parseIdentifier(); - if (parseOptional(84)) { - if (isStartOfType() || !isStartOfExpression()) { - node.constraint = parseType(); - } - else { - node.expression = parseUnaryExpressionOrHigher(); - } - } - return finishNode(node); + if (node.kind === 237 && node.moduleSpecifier) { + return getGeneratedNameForNode(node); } - function parseTypeParameters() { - if (token() === 26) { - return parseBracketedList(17, parseTypeParameter, 26, 28); - } + return undefined; + } + ts.getLocalNameForExternalImport = getLocalNameForExternalImport; + function getExternalModuleNameLiteral(importNode, sourceFile, host, resolver, compilerOptions) { + var moduleName = ts.getExternalModuleName(importNode); + if (moduleName.kind === 9) { + return tryGetModuleNameFromDeclaration(importNode, host, resolver, compilerOptions) + || tryRenameExternalModule(moduleName, sourceFile) + || getSynthesizedClone(moduleName); } - function parseParameterType() { - if (parseOptional(55)) { - return parseType(); - } + return undefined; + } + ts.getExternalModuleNameLiteral = getExternalModuleNameLiteral; + function tryRenameExternalModule(moduleName, sourceFile) { + if (sourceFile.renamedDependencies && ts.hasProperty(sourceFile.renamedDependencies, moduleName.text)) { + return createLiteral(sourceFile.renamedDependencies[moduleName.text]); + } + return undefined; + } + function tryGetModuleNameFromFile(file, host, options) { + if (!file) { return undefined; } - function isStartOfParameter() { - return token() === 23 || isIdentifierOrPattern() || ts.isModifierKind(token()) || token() === 56 || token() === 98; + if (file.moduleName) { + return createLiteral(file.moduleName); } - function parseParameter() { - var node = createNode(143); - if (token() === 98) { - node.name = createIdentifier(true, undefined); - node.type = parseParameterType(); - return finishNode(node); - } - node.decorators = parseDecorators(); - node.modifiers = parseModifiers(); - node.dotDotDotToken = parseOptionalToken(23); - node.name = parseIdentifierOrPattern(); - if (ts.getFullWidth(node.name) === 0 && !ts.hasModifiers(node) && ts.isModifierKind(token())) { - nextToken(); - } - node.questionToken = parseOptionalToken(54); - node.type = parseParameterType(); - node.initializer = parseBindingElementInitializer(true); - return addJSDocComment(finishNode(node)); + if (!ts.isDeclarationFile(file) && (options.out || options.outFile)) { + return createLiteral(ts.getExternalModuleNameFromPath(host, file.fileName)); } - function parseBindingElementInitializer(inParameter) { - return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); + return undefined; + } + ts.tryGetModuleNameFromFile = tryGetModuleNameFromFile; + function tryGetModuleNameFromDeclaration(declaration, host, resolver, compilerOptions) { + return tryGetModuleNameFromFile(resolver.getExternalModuleFileFromDeclaration(declaration), host, compilerOptions); + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var NodeConstructor; + var TokenConstructor; + var IdentifierConstructor; + var SourceFileConstructor; + function createNode(kind, pos, end) { + if (kind === 256) { + return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); } - function parseParameterInitializer() { - return parseInitializer(true); + else if (kind === 70) { + return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, pos, end); } - function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { - var returnTokenRequired = returnToken === 35; - signature.typeParameters = parseTypeParameters(); - signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); - if (returnTokenRequired) { - parseExpected(returnToken); - signature.type = parseTypeOrTypePredicate(); - } - else if (parseOptional(returnToken)) { - signature.type = parseTypeOrTypePredicate(); - } + else if (kind < 140) { + return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, pos, end); } - function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { - if (parseExpected(18)) { - var savedYieldContext = inYieldContext(); - var savedAwaitContext = inAwaitContext(); - setYieldContext(yieldContext); - setAwaitContext(awaitContext); - var result = parseDelimitedList(16, parseParameter); - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - if (!parseExpected(19) && requireCompleteParameterList) { - return undefined; - } - return result; - } - return requireCompleteParameterList ? undefined : createMissingList(); + else { + return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); } - function parseTypeMemberSemicolon() { - if (parseOptional(25)) { - return; - } - parseSemicolon(); + } + ts.createNode = createNode; + function visitNode(cbNode, node) { + if (node) { + return cbNode(node); } - function parseSignatureMember(kind) { - var node = createNode(kind); - if (kind === 153) { - parseExpected(93); - } - fillSignature(55, false, false, false, node); - parseTypeMemberSemicolon(); - return addJSDocComment(finishNode(node)); + } + function visitNodeArray(cbNodes, nodes) { + if (nodes) { + return cbNodes(nodes); } - function isIndexSignature() { - if (token() !== 20) { - return false; + } + function visitEachNode(cbNode, nodes) { + if (nodes) { + for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { + var node = nodes_1[_i]; + var result = cbNode(node); + if (result) { + return result; + } } - return lookAhead(isUnambiguouslyIndexSignature); } - function isUnambiguouslyIndexSignature() { - nextToken(); - if (token() === 23 || token() === 21) { - return true; - } - if (ts.isModifierKind(token())) { - nextToken(); - if (isIdentifier()) { - return true; - } - } - else if (!isIdentifier()) { - return false; - } - else { - nextToken(); - } - if (token() === 55 || token() === 25) { - return true; - } - if (token() !== 54) { - return false; - } - nextToken(); - return token() === 55 || token() === 25 || token() === 21; + } + function forEachChild(node, cbNode, cbNodeArray) { + if (!node) { + return; } - function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { - var node = createNode(154, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - node.parameters = parseBracketedList(16, parseParameter, 20, 21); - node.type = parseTypeAnnotation(); - parseTypeMemberSemicolon(); - return finishNode(node); + var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; + var cbNodes = cbNodeArray || cbNode; + switch (node.kind) { + case 140: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.right); + case 142: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.constraint) || + visitNode(cbNode, node.expression); + case 254: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.equalsToken) || + visitNode(cbNode, node.objectAssignmentInitializer); + case 143: + case 146: + case 145: + case 253: + case 219: + case 170: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.dotDotDotToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.initializer); + case 157: + case 158: + case 152: + case 153: + case 154: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 148: + case 147: + case 149: + case 150: + case 151: + case 180: + case 221: + case 181: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.equalsGreaterThanToken) || + visitNode(cbNode, node.body); + case 156: + return visitNode(cbNode, node.typeName) || + visitNodes(cbNodes, node.typeArguments); + case 155: + return visitNode(cbNode, node.parameterName) || + visitNode(cbNode, node.type); + case 159: + return visitNode(cbNode, node.exprName); + case 160: + return visitNodes(cbNodes, node.members); + case 161: + return visitNode(cbNode, node.elementType); + case 162: + return visitNodes(cbNodes, node.elementTypes); + case 163: + case 164: + return visitNodes(cbNodes, node.types); + case 165: + return visitNode(cbNode, node.type); + case 167: + return visitNode(cbNode, node.literal); + case 168: + case 169: + return visitNodes(cbNodes, node.elements); + case 171: + return visitNodes(cbNodes, node.elements); + case 172: + return visitNodes(cbNodes, node.properties); + case 173: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.name); + case 174: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.argumentExpression); + case 175: + case 176: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments) || + visitNodes(cbNodes, node.arguments); + case 177: + return visitNode(cbNode, node.tag) || + visitNode(cbNode, node.template); + case 178: + return visitNode(cbNode, node.type) || + visitNode(cbNode, node.expression); + case 179: + return visitNode(cbNode, node.expression); + case 182: + return visitNode(cbNode, node.expression); + case 183: + return visitNode(cbNode, node.expression); + case 184: + return visitNode(cbNode, node.expression); + case 186: + return visitNode(cbNode, node.operand); + case 191: + return visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.expression); + case 185: + return visitNode(cbNode, node.expression); + case 187: + return visitNode(cbNode, node.operand); + case 188: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.operatorToken) || + visitNode(cbNode, node.right); + case 196: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.type); + case 197: + return visitNode(cbNode, node.expression); + case 189: + return visitNode(cbNode, node.condition) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.whenTrue) || + visitNode(cbNode, node.colonToken) || + visitNode(cbNode, node.whenFalse); + case 192: + return visitNode(cbNode, node.expression); + case 200: + case 227: + return visitNodes(cbNodes, node.statements); + case 256: + return visitNodes(cbNodes, node.statements) || + visitNode(cbNode, node.endOfFileToken); + case 201: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.declarationList); + case 220: + return visitNodes(cbNodes, node.declarations); + case 203: + return visitNode(cbNode, node.expression); + case 204: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.thenStatement) || + visitNode(cbNode, node.elseStatement); + case 205: + return visitNode(cbNode, node.statement) || + visitNode(cbNode, node.expression); + case 206: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 207: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.condition) || + visitNode(cbNode, node.incrementor) || + visitNode(cbNode, node.statement); + case 208: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 209: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 210: + case 211: + return visitNode(cbNode, node.label); + case 212: + return visitNode(cbNode, node.expression); + case 213: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 214: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.caseBlock); + case 228: + return visitNodes(cbNodes, node.clauses); + case 249: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.statements); + case 250: + return visitNodes(cbNodes, node.statements); + case 215: + return visitNode(cbNode, node.label) || + visitNode(cbNode, node.statement); + case 216: + return visitNode(cbNode, node.expression); + case 217: + return visitNode(cbNode, node.tryBlock) || + visitNode(cbNode, node.catchClause) || + visitNode(cbNode, node.finallyBlock); + case 252: + return visitNode(cbNode, node.variableDeclaration) || + visitNode(cbNode, node.block); + case 144: + return visitNode(cbNode, node.expression); + case 222: + case 193: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 223: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 224: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNode(cbNode, node.type); + case 225: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.members); + case 255: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 226: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.body); + case 230: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.moduleReference); + case 231: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.importClause) || + visitNode(cbNode, node.moduleSpecifier); + case 232: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.namedBindings); + case 229: + return visitNode(cbNode, node.name); + case 233: + return visitNode(cbNode, node.name); + case 234: + case 238: + return visitNodes(cbNodes, node.elements); + case 237: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.exportClause) || + visitNode(cbNode, node.moduleSpecifier); + case 235: + case 239: + return visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.name); + case 236: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.expression); + case 190: + return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); + case 198: + return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); + case 141: + return visitNode(cbNode, node.expression); + case 251: + return visitNodes(cbNodes, node.types); + case 195: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments); + case 241: + return visitNode(cbNode, node.expression); + case 240: + return visitNodes(cbNodes, node.decorators); + case 242: + return visitNode(cbNode, node.openingElement) || + visitNodes(cbNodes, node.children) || + visitNode(cbNode, node.closingElement); + case 243: + case 244: + return visitNode(cbNode, node.tagName) || + visitNodes(cbNodes, node.attributes); + case 246: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 247: + return visitNode(cbNode, node.expression); + case 248: + return visitNode(cbNode, node.expression); + case 245: + return visitNode(cbNode, node.tagName); + case 257: + return visitNode(cbNode, node.type); + case 261: + return visitNodes(cbNodes, node.types); + case 262: + return visitNodes(cbNodes, node.types); + case 260: + return visitNode(cbNode, node.elementType); + case 264: + return visitNode(cbNode, node.type); + case 263: + return visitNode(cbNode, node.type); + case 265: + return visitNode(cbNode, node.literal); + case 267: + return visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeArguments); + case 268: + return visitNode(cbNode, node.type); + case 269: + return visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 270: + return visitNode(cbNode, node.type); + case 271: + return visitNode(cbNode, node.type); + case 272: + return visitNode(cbNode, node.type); + case 266: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.type); + case 273: + return visitNodes(cbNodes, node.tags); + case 275: + return visitNode(cbNode, node.preParameterName) || + visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.postParameterName); + case 276: + return visitNode(cbNode, node.typeExpression); + case 277: + return visitNode(cbNode, node.typeExpression); + case 278: + return visitNodes(cbNodes, node.typeParameters); + case 279: + return visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.fullName) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.jsDocTypeLiteral); + case 281: + return visitNodes(cbNodes, node.jsDocPropertyTags); + case 280: + return visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.name); + case 288: + return visitNode(cbNode, node.expression); + case 282: + return visitNode(cbNode, node.literal); } - function parsePropertyOrMethodSignature(fullStart, modifiers) { - var name = parsePropertyName(); - var questionToken = parseOptionalToken(54); - if (token() === 18 || token() === 26) { - var method = createNode(147, fullStart); - method.modifiers = modifiers; - method.name = name; - method.questionToken = questionToken; - fillSignature(55, false, false, false, method); - parseTypeMemberSemicolon(); - return addJSDocComment(finishNode(method)); - } - else { - var property = createNode(145, fullStart); - property.modifiers = modifiers; - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - if (token() === 57) { - property.initializer = parseNonParameterInitializer(); - } - parseTypeMemberSemicolon(); - return addJSDocComment(finishNode(property)); - } + } + ts.forEachChild = forEachChild; + function createSourceFile(fileName, sourceText, languageVersion, setParentNodes, scriptKind) { + if (setParentNodes === void 0) { setParentNodes = false; } + ts.performance.mark("beforeParse"); + var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes, scriptKind); + ts.performance.mark("afterParse"); + ts.performance.measure("Parse", "beforeParse", "afterParse"); + return result; + } + ts.createSourceFile = createSourceFile; + function isExternalModule(file) { + return file.externalModuleIndicator !== undefined; + } + ts.isExternalModule = isExternalModule; + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + } + ts.updateSourceFile = updateSourceFile; + function parseIsolatedJSDocComment(content, start, length) { + var result = Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); + if (result && result.jsDoc) { + Parser.fixupParentReferences(result.jsDoc); } - function isTypeMemberStart() { - var idToken; - if (token() === 18 || token() === 26) { - return true; - } - while (ts.isModifierKind(token())) { - idToken = token(); - nextToken(); - } - if (token() === 20) { - return true; - } - if (isLiteralPropertyName()) { - idToken = token(); - nextToken(); - } - if (idToken) { - return token() === 18 || - token() === 26 || - token() === 54 || - token() === 55 || - token() === 25 || - canParseSemicolon(); - } - return false; + return result; + } + ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocTypeExpressionForTests(content, start, length) { + return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + } + ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; + var Parser; + (function (Parser) { + var scanner = ts.createScanner(4, true); + var disallowInAndDecoratorContext = 32768 | 131072; + var NodeConstructor; + var TokenConstructor; + var IdentifierConstructor; + var SourceFileConstructor; + var sourceFile; + var parseDiagnostics; + var syntaxCursor; + var currentToken; + var sourceText; + var nodeCount; + var identifiers; + var identifierCount; + var parsingContext; + var contextFlags; + var parseErrorBeforeNextFinishedNode = false; + function parseSourceFile(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes, scriptKind) { + scriptKind = ts.ensureScriptKind(fileName, scriptKind); + initializeState(sourceText, languageVersion, syntaxCursor, scriptKind); + var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind); + clearState(); + return result; } - function parseTypeMember() { - if (token() === 18 || token() === 26) { - return parseSignatureMember(152); - } - if (token() === 93 && lookAhead(isStartOfConstructSignature)) { - return parseSignatureMember(153); - } - var fullStart = getNodePos(); - var modifiers = parseModifiers(); - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, undefined, modifiers); - } - return parsePropertyOrMethodSignature(fullStart, modifiers); + Parser.parseSourceFile = parseSourceFile; + function getLanguageVariant(scriptKind) { + return scriptKind === 4 || scriptKind === 2 || scriptKind === 1 ? 1 : 0; } - function isStartOfConstructSignature() { - nextToken(); - return token() === 18 || token() === 26; - } - function parseTypeLiteral() { - var node = createNode(160); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseObjectTypeMembers() { - var members; - if (parseExpected(16)) { - members = parseList(4, parseTypeMember); - parseExpected(17); - } - else { - members = createMissingList(); - } - return members; - } - function parseTupleType() { - var node = createNode(162); - node.elementTypes = parseBracketedList(19, parseType, 20, 21); - return finishNode(node); - } - function parseParenthesizedType() { - var node = createNode(165); - parseExpected(18); - node.type = parseType(); - parseExpected(19); - return finishNode(node); - } - function parseFunctionOrConstructorType(kind) { - var node = createNode(kind); - if (kind === 158) { - parseExpected(93); - } - fillSignature(35, false, false, false, node); - return finishNode(node); - } - function parseKeywordAndNoDot() { - var node = parseTokenNode(); - return token() === 22 ? undefined : node; - } - function parseLiteralTypeNode() { - var node = createNode(167); - node.literal = parseSimpleUnaryExpression(); - finishNode(node); - return node; - } - function nextTokenIsNumericLiteral() { - return nextToken() === 8; - } - function parseNonArrayType() { - switch (token()) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 136: - case 128: - var node = tryParse(parseKeywordAndNoDot); - return node || parseTypeReference(); - case 9: - case 8: - case 100: - case 85: - return parseLiteralTypeNode(); - case 37: - return lookAhead(nextTokenIsNumericLiteral) ? parseLiteralTypeNode() : parseTypeReference(); - case 104: - case 94: - return parseTokenNode(); - case 98: { - var thisKeyword = parseThisTypeNode(); - if (token() === 125 && !scanner.hasPrecedingLineBreak()) { - return parseThisTypePredicate(thisKeyword); - } - else { - return thisKeyword; - } - } - case 102: - return parseTypeQuery(); - case 16: - return parseTypeLiteral(); - case 20: - return parseTupleType(); - case 18: - return parseParenthesizedType(); - default: - return parseTypeReference(); - } - } - function isStartOfType() { - switch (token()) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 104: - case 136: - case 94: - case 98: - case 102: - case 128: - case 16: - case 20: - case 26: - case 93: - case 9: - case 8: - case 100: - case 85: - return true; - case 37: - return lookAhead(nextTokenIsNumericLiteral); - case 18: - return lookAhead(isStartOfParenthesizedOrFunctionType); - default: - return isIdentifier(); - } - } - function isStartOfParenthesizedOrFunctionType() { - nextToken(); - return token() === 19 || isStartOfParameter() || isStartOfType(); - } - function parseArrayTypeOrHigher() { - var type = parseNonArrayType(); - while (!scanner.hasPrecedingLineBreak() && parseOptional(20)) { - parseExpected(21); - var node = createNode(161, type.pos); - node.elementType = type; - type = finishNode(node); - } - return type; - } - function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { - var type = parseConstituentType(); - if (token() === operator) { - var types = createNodeArray([type], type.pos); - while (parseOptional(operator)) { - types.push(parseConstituentType()); - } - types.end = getNodeEnd(); - var node = createNode(kind, type.pos); - node.types = types; - type = finishNode(node); - } - return type; - } - function parseIntersectionTypeOrHigher() { - return parseUnionOrIntersectionType(164, parseArrayTypeOrHigher, 47); - } - function parseUnionTypeOrHigher() { - return parseUnionOrIntersectionType(163, parseIntersectionTypeOrHigher, 48); - } - function isStartOfFunctionType() { - if (token() === 26) { - return true; - } - return token() === 18 && lookAhead(isUnambiguouslyStartOfFunctionType); - } - function skipParameterStart() { - if (ts.isModifierKind(token())) { - parseModifiers(); - } - if (isIdentifier() || token() === 98) { - nextToken(); - return true; - } - if (token() === 20 || token() === 16) { - var previousErrorCount = parseDiagnostics.length; - parseIdentifierOrPattern(); - return previousErrorCount === parseDiagnostics.length; - } - return false; - } - function isUnambiguouslyStartOfFunctionType() { - nextToken(); - if (token() === 19 || token() === 23) { - return true; - } - if (skipParameterStart()) { - if (token() === 55 || token() === 25 || - token() === 54 || token() === 57) { - return true; - } - if (token() === 19) { - nextToken(); - if (token() === 35) { - return true; - } - } - } - return false; - } - function parseTypeOrTypePredicate() { - var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); - var type = parseType(); - if (typePredicateVariable) { - var node = createNode(155, typePredicateVariable.pos); - node.parameterName = typePredicateVariable; - node.type = type; - return finishNode(node); - } - else { - return type; - } - } - function parseTypePredicatePrefix() { - var id = parseIdentifier(); - if (token() === 125 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - return id; - } - } - function parseType() { - return doOutsideOfContext(327680, parseTypeWorker); - } - function parseTypeWorker() { - if (isStartOfFunctionType()) { - return parseFunctionOrConstructorType(157); - } - if (token() === 93) { - return parseFunctionOrConstructorType(158); - } - return parseUnionTypeOrHigher(); - } - function parseTypeAnnotation() { - return parseOptional(55) ? parseType() : undefined; - } - function isStartOfLeftHandSideExpression() { - switch (token()) { - case 98: - case 96: - case 94: - case 100: - case 85: - case 8: - case 9: - case 12: - case 13: - case 18: - case 20: - case 16: - case 88: - case 74: - case 93: - case 40: - case 62: - case 70: - return true; - default: - return isIdentifier(); - } - } - function isStartOfExpression() { - if (isStartOfLeftHandSideExpression()) { - return true; - } - switch (token()) { - case 36: - case 37: - case 51: - case 50: - case 79: - case 102: - case 104: - case 42: - case 43: - case 26: - case 120: - case 115: - return true; - default: - if (isBinaryOperator()) { - return true; - } - return isIdentifier(); - } - } - function isStartOfExpressionStatement() { - return token() !== 16 && - token() !== 88 && - token() !== 74 && - token() !== 56 && - isStartOfExpression(); - } - function parseExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var expr = parseAssignmentExpressionOrHigher(); - var operatorToken; - while ((operatorToken = parseOptionalToken(25))) { - expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); - } - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return expr; - } - function parseInitializer(inParameter) { - if (token() !== 57) { - if (scanner.hasPrecedingLineBreak() || (inParameter && token() === 16) || !isStartOfExpression()) { - return undefined; - } - } - parseExpected(57); - return parseAssignmentExpressionOrHigher(); - } - function parseAssignmentExpressionOrHigher() { - if (isYieldExpression()) { - return parseYieldExpression(); - } - var arrowExpression = tryParseParenthesizedArrowFunctionExpression() || tryParseAsyncSimpleArrowFunctionExpression(); - if (arrowExpression) { - return arrowExpression; - } - var expr = parseBinaryExpressionOrHigher(0); - if (expr.kind === 70 && token() === 35) { - return parseSimpleArrowFunctionExpression(expr); - } - if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { - return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); - } - return parseConditionalExpressionRest(expr); - } - function isYieldExpression() { - if (token() === 115) { - if (inYieldContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); - } - return false; + function initializeState(_sourceText, languageVersion, _syntaxCursor, scriptKind) { + NodeConstructor = ts.objectAllocator.getNodeConstructor(); + TokenConstructor = ts.objectAllocator.getTokenConstructor(); + IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor(); + SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); + sourceText = _sourceText; + syntaxCursor = _syntaxCursor; + parseDiagnostics = []; + parsingContext = 0; + identifiers = ts.createMap(); + identifierCount = 0; + nodeCount = 0; + contextFlags = scriptKind === 1 || scriptKind === 2 ? 1048576 : 0; + parseErrorBeforeNextFinishedNode = false; + scanner.setText(sourceText); + scanner.setOnError(scanError); + scanner.setScriptTarget(languageVersion); + scanner.setLanguageVariant(getLanguageVariant(scriptKind)); } - function nextTokenIsIdentifierOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && isIdentifier(); + function clearState() { + scanner.setText(""); + scanner.setOnError(undefined); + parseDiagnostics = undefined; + sourceFile = undefined; + identifiers = undefined; + syntaxCursor = undefined; + sourceText = undefined; } - function parseYieldExpression() { - var node = createNode(191); + function parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind) { + sourceFile = createSourceFile(fileName, languageVersion, scriptKind); + sourceFile.flags = contextFlags; nextToken(); - if (!scanner.hasPrecedingLineBreak() && - (token() === 38 || isStartOfExpression())) { - node.asteriskToken = parseOptionalToken(38); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - else { - return finishNode(node); - } - } - function parseSimpleArrowFunctionExpression(identifier, asyncModifier) { - ts.Debug.assert(token() === 35, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); - var node; - if (asyncModifier) { - node = createNode(181, asyncModifier.pos); - node.modifiers = asyncModifier; - } - else { - node = createNode(181, identifier.pos); - } - var parameter = createNode(143, identifier.pos); - parameter.name = identifier; - finishNode(parameter); - node.parameters = createNodeArray([parameter], parameter.pos); - node.parameters.end = parameter.end; - node.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); - node.body = parseArrowFunctionExpressionBody(!!asyncModifier); - return addJSDocComment(finishNode(node)); - } - function tryParseParenthesizedArrowFunctionExpression() { - var triState = isParenthesizedArrowFunctionExpression(); - if (triState === 0) { - return undefined; - } - var arrowFunction = triState === 1 - ? parseParenthesizedArrowFunctionExpressionHead(true) - : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); - if (!arrowFunction) { - return undefined; - } - var isAsync = !!(ts.getModifierFlags(arrowFunction) & 256); - var lastToken = token(); - arrowFunction.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); - arrowFunction.body = (lastToken === 35 || lastToken === 16) - ? parseArrowFunctionExpressionBody(isAsync) - : parseIdentifier(); - return addJSDocComment(finishNode(arrowFunction)); - } - function isParenthesizedArrowFunctionExpression() { - if (token() === 18 || token() === 26 || token() === 119) { - return lookAhead(isParenthesizedArrowFunctionExpressionWorker); - } - if (token() === 35) { - return 1; - } - return 0; - } - function isParenthesizedArrowFunctionExpressionWorker() { - if (token() === 119) { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return 0; - } - if (token() !== 18 && token() !== 26) { - return 0; - } - } - var first = token(); - var second = nextToken(); - if (first === 18) { - if (second === 19) { - var third = nextToken(); - switch (third) { - case 35: - case 55: - case 16: - return 1; - default: - return 0; - } - } - if (second === 20 || second === 16) { - return 2; - } - if (second === 23) { - return 1; - } - if (!isIdentifier()) { - return 0; - } - if (nextToken() === 55) { - return 1; - } - return 2; - } - else { - ts.Debug.assert(first === 26); - if (!isIdentifier()) { - return 0; - } - if (sourceFile.languageVariant === 1) { - var isArrowFunctionInJsx = lookAhead(function () { - var third = nextToken(); - if (third === 84) { - var fourth = nextToken(); - switch (fourth) { - case 57: - case 28: - return false; - default: - return true; - } - } - else if (third === 25) { - return true; - } - return false; - }); - if (isArrowFunctionInJsx) { - return 1; - } - return 0; - } - return 2; - } - } - function parsePossibleParenthesizedArrowFunctionExpressionHead() { - return parseParenthesizedArrowFunctionExpressionHead(false); - } - function tryParseAsyncSimpleArrowFunctionExpression() { - if (token() === 119) { - var isUnParenthesizedAsyncArrowFunction = lookAhead(isUnParenthesizedAsyncArrowFunctionWorker); - if (isUnParenthesizedAsyncArrowFunction === 1) { - var asyncModifier = parseModifiersForArrowFunction(); - var expr = parseBinaryExpressionOrHigher(0); - return parseSimpleArrowFunctionExpression(expr, asyncModifier); - } - } - return undefined; - } - function isUnParenthesizedAsyncArrowFunctionWorker() { - if (token() === 119) { - nextToken(); - if (scanner.hasPrecedingLineBreak() || token() === 35) { - return 0; - } - var expr = parseBinaryExpressionOrHigher(0); - if (!scanner.hasPrecedingLineBreak() && expr.kind === 70 && token() === 35) { - return 1; - } - } - return 0; - } - function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { - var node = createNode(181); - node.modifiers = parseModifiersForArrowFunction(); - var isAsync = !!(ts.getModifierFlags(node) & 256); - fillSignature(55, false, isAsync, !allowAmbiguity, node); - if (!node.parameters) { - return undefined; - } - if (!allowAmbiguity && token() !== 35 && token() !== 16) { - return undefined; - } - return node; - } - function parseArrowFunctionExpressionBody(isAsync) { - if (token() === 16) { - return parseFunctionBlock(false, isAsync, false); - } - if (token() !== 24 && - token() !== 88 && - token() !== 74 && - isStartOfStatement() && - !isStartOfExpressionStatement()) { - return parseFunctionBlock(false, isAsync, true); - } - return isAsync - ? doInAwaitContext(parseAssignmentExpressionOrHigher) - : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); - } - function parseConditionalExpressionRest(leftOperand) { - var questionToken = parseOptionalToken(54); - if (!questionToken) { - return leftOperand; - } - var node = createNode(189, leftOperand.pos); - node.condition = leftOperand; - node.questionToken = questionToken; - node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); - node.colonToken = parseExpectedToken(55, false, ts.Diagnostics._0_expected, ts.tokenToString(55)); - node.whenFalse = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseBinaryExpressionOrHigher(precedence) { - var leftOperand = parseUnaryExpressionOrHigher(); - return parseBinaryExpressionRest(precedence, leftOperand); - } - function isInOrOfKeyword(t) { - return t === 91 || t === 139; - } - function parseBinaryExpressionRest(precedence, leftOperand) { - while (true) { - reScanGreaterToken(); - var newPrecedence = getBinaryOperatorPrecedence(); - var consumeCurrentOperator = token() === 39 ? - newPrecedence >= precedence : - newPrecedence > precedence; - if (!consumeCurrentOperator) { - break; - } - if (token() === 91 && inDisallowInContext()) { - break; - } - if (token() === 117) { - if (scanner.hasPrecedingLineBreak()) { - break; - } - else { - nextToken(); - leftOperand = makeAsExpression(leftOperand, parseType()); - } - } - else { - leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); - } - } - return leftOperand; - } - function isBinaryOperator() { - if (inDisallowInContext() && token() === 91) { - return false; - } - return getBinaryOperatorPrecedence() > 0; - } - function getBinaryOperatorPrecedence() { - switch (token()) { - case 53: - return 1; - case 52: - return 2; - case 48: - return 3; - case 49: - return 4; - case 47: - return 5; - case 31: - case 32: - case 33: - case 34: - return 6; - case 26: - case 28: - case 29: - case 30: - case 92: - case 91: - case 117: - return 7; - case 44: - case 45: - case 46: - return 8; - case 36: - case 37: - return 9; - case 38: - case 40: - case 41: - return 10; - case 39: - return 11; - } - return -1; - } - function makeBinaryExpression(left, operatorToken, right) { - var node = createNode(188, left.pos); - node.left = left; - node.operatorToken = operatorToken; - node.right = right; - return finishNode(node); - } - function makeAsExpression(left, right) { - var node = createNode(196, left.pos); - node.expression = left; - node.type = right; - return finishNode(node); - } - function parsePrefixUnaryExpression() { - var node = createNode(186); - node.operator = token(); - nextToken(); - node.operand = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseDeleteExpression() { - var node = createNode(182); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseTypeOfExpression() { - var node = createNode(183); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseVoidExpression() { - var node = createNode(184); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function isAwaitExpression() { - if (token() === 120) { - if (inAwaitContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOnSameLine); - } - return false; - } - function parseAwaitExpression() { - var node = createNode(185); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseUnaryExpressionOrHigher() { - if (isUpdateExpression()) { - var incrementExpression = parseIncrementExpression(); - return token() === 39 ? - parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : - incrementExpression; - } - var unaryOperator = token(); - var simpleUnaryExpression = parseSimpleUnaryExpression(); - if (token() === 39) { - var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); - if (simpleUnaryExpression.kind === 178) { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); - } - else { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); - } - } - return simpleUnaryExpression; - } - function parseSimpleUnaryExpression() { - switch (token()) { - case 36: - case 37: - case 51: - case 50: - return parsePrefixUnaryExpression(); - case 79: - return parseDeleteExpression(); - case 102: - return parseTypeOfExpression(); - case 104: - return parseVoidExpression(); - case 26: - return parseTypeAssertion(); - case 120: - if (isAwaitExpression()) { - return parseAwaitExpression(); - } - default: - return parseIncrementExpression(); - } - } - function isUpdateExpression() { - switch (token()) { - case 36: - case 37: - case 51: - case 50: - case 79: - case 102: - case 104: - case 120: - return false; - case 26: - if (sourceFile.languageVariant !== 1) { - return false; - } - default: - return true; - } - } - function parseIncrementExpression() { - if (token() === 42 || token() === 43) { - var node = createNode(186); - node.operator = token(); - nextToken(); - node.operand = parseLeftHandSideExpressionOrHigher(); - return finishNode(node); - } - else if (sourceFile.languageVariant === 1 && token() === 26 && lookAhead(nextTokenIsIdentifierOrKeyword)) { - return parseJsxElementOrSelfClosingElement(true); - } - var expression = parseLeftHandSideExpressionOrHigher(); - ts.Debug.assert(ts.isLeftHandSideExpression(expression)); - if ((token() === 42 || token() === 43) && !scanner.hasPrecedingLineBreak()) { - var node = createNode(187, expression.pos); - node.operand = expression; - node.operator = token(); - nextToken(); - return finishNode(node); - } - return expression; - } - function parseLeftHandSideExpressionOrHigher() { - var expression = token() === 96 - ? parseSuperExpression() - : parseMemberExpressionOrHigher(); - return parseCallExpressionRest(expression); - } - function parseMemberExpressionOrHigher() { - var expression = parsePrimaryExpression(); - return parseMemberExpressionRest(expression); - } - function parseSuperExpression() { - var expression = parseTokenNode(); - if (token() === 18 || token() === 22 || token() === 20) { - return expression; - } - var node = createNode(173, expression.pos); - node.expression = expression; - parseExpectedToken(22, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); - node.name = parseRightSideOfDot(true); - return finishNode(node); - } - function tagNamesAreEquivalent(lhs, rhs) { - if (lhs.kind !== rhs.kind) { - return false; - } - if (lhs.kind === 70) { - return lhs.text === rhs.text; - } - if (lhs.kind === 98) { - return true; - } - return lhs.name.text === rhs.name.text && - tagNamesAreEquivalent(lhs.expression, rhs.expression); - } - function parseJsxElementOrSelfClosingElement(inExpressionContext) { - var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); - var result; - if (opening.kind === 244) { - var node = createNode(242, opening.pos); - node.openingElement = opening; - node.children = parseJsxChildren(node.openingElement.tagName); - node.closingElement = parseJsxClosingElement(inExpressionContext); - if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { - parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); - } - result = finishNode(node); - } - else { - ts.Debug.assert(opening.kind === 243); - result = opening; - } - if (inExpressionContext && token() === 26) { - var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); - if (invalidElement) { - parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); - var badNode = createNode(188, result.pos); - badNode.end = invalidElement.end; - badNode.left = result; - badNode.right = invalidElement; - badNode.operatorToken = createMissingNode(25, false, undefined); - badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; - return badNode; - } - } - return result; - } - function parseJsxText() { - var node = createNode(10, scanner.getStartPos()); - currentToken = scanner.scanJsxToken(); - return finishNode(node); - } - function parseJsxChild() { - switch (token()) { - case 10: - return parseJsxText(); - case 16: - return parseJsxExpression(false); - case 26: - return parseJsxElementOrSelfClosingElement(false); - } - ts.Debug.fail("Unknown JSX child kind " + token()); - } - function parseJsxChildren(openingTagName) { - var result = createNodeArray(); - var saveParsingContext = parsingContext; - parsingContext |= 1 << 14; - while (true) { - currentToken = scanner.reScanJsxToken(); - if (token() === 27) { - break; - } - else if (token() === 1) { - parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); - break; - } - result.push(parseJsxChild()); - } - result.end = scanner.getTokenPos(); - parsingContext = saveParsingContext; - return result; - } - function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { - var fullStart = scanner.getStartPos(); - parseExpected(26); - var tagName = parseJsxElementName(); - var attributes = parseList(13, parseJsxAttribute); - var node; - if (token() === 28) { - node = createNode(244, fullStart); - scanJsxText(); - } - else { - parseExpected(40); - if (inExpressionContext) { - parseExpected(28); - } - else { - parseExpected(28, undefined, false); - scanJsxText(); - } - node = createNode(243, fullStart); - } - node.tagName = tagName; - node.attributes = attributes; - return finishNode(node); - } - function parseJsxElementName() { - scanJsxIdentifier(); - var expression = token() === 98 ? - parseTokenNode() : parseIdentifierName(); - while (parseOptional(22)) { - var propertyAccess = createNode(173, expression.pos); - propertyAccess.expression = expression; - propertyAccess.name = parseRightSideOfDot(true); - expression = finishNode(propertyAccess); - } - return expression; - } - function parseJsxExpression(inExpressionContext) { - var node = createNode(248); - parseExpected(16); - if (token() !== 17) { - node.expression = parseAssignmentExpressionOrHigher(); - } - if (inExpressionContext) { - parseExpected(17); - } - else { - parseExpected(17, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseJsxAttribute() { - if (token() === 16) { - return parseJsxSpreadAttribute(); - } - scanJsxIdentifier(); - var node = createNode(246); - node.name = parseIdentifierName(); - if (token() === 57) { - switch (scanJsxAttributeValue()) { - case 9: - node.initializer = parseLiteralNode(); - break; - default: - node.initializer = parseJsxExpression(true); - break; - } - } - return finishNode(node); - } - function parseJsxSpreadAttribute() { - var node = createNode(247); - parseExpected(16); - parseExpected(23); - node.expression = parseExpression(); - parseExpected(17); - return finishNode(node); - } - function parseJsxClosingElement(inExpressionContext) { - var node = createNode(245); - parseExpected(27); - node.tagName = parseJsxElementName(); - if (inExpressionContext) { - parseExpected(28); - } - else { - parseExpected(28, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseTypeAssertion() { - var node = createNode(178); - parseExpected(26); - node.type = parseType(); - parseExpected(28); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseMemberExpressionRest(expression) { - while (true) { - var dotToken = parseOptionalToken(22); - if (dotToken) { - var propertyAccess = createNode(173, expression.pos); - propertyAccess.expression = expression; - propertyAccess.name = parseRightSideOfDot(true); - expression = finishNode(propertyAccess); - continue; - } - if (token() === 50 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - var nonNullExpression = createNode(197, expression.pos); - nonNullExpression.expression = expression; - expression = finishNode(nonNullExpression); - continue; - } - if (!inDecoratorContext() && parseOptional(20)) { - var indexedAccess = createNode(174, expression.pos); - indexedAccess.expression = expression; - if (token() !== 21) { - indexedAccess.argumentExpression = allowInAnd(parseExpression); - if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { - var literal = indexedAccess.argumentExpression; - literal.text = internIdentifier(literal.text); - } - } - parseExpected(21); - expression = finishNode(indexedAccess); - continue; - } - if (token() === 12 || token() === 13) { - var tagExpression = createNode(177, expression.pos); - tagExpression.tag = expression; - tagExpression.template = token() === 12 - ? parseLiteralNode() - : parseTemplateExpression(); - expression = finishNode(tagExpression); - continue; - } - return expression; - } - } - function parseCallExpressionRest(expression) { - while (true) { - expression = parseMemberExpressionRest(expression); - if (token() === 26) { - var typeArguments = tryParse(parseTypeArgumentsInExpression); - if (!typeArguments) { - return expression; - } - var callExpr = createNode(175, expression.pos); - callExpr.expression = expression; - callExpr.typeArguments = typeArguments; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - else if (token() === 18) { - var callExpr = createNode(175, expression.pos); - callExpr.expression = expression; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - return expression; - } - } - function parseArgumentList() { - parseExpected(18); - var result = parseDelimitedList(11, parseArgumentExpression); - parseExpected(19); - return result; - } - function parseTypeArgumentsInExpression() { - if (!parseOptional(26)) { - return undefined; - } - var typeArguments = parseDelimitedList(18, parseType); - if (!parseExpected(28)) { - return undefined; - } - return typeArguments && canFollowTypeArgumentsInExpression() - ? typeArguments - : undefined; - } - function canFollowTypeArgumentsInExpression() { - switch (token()) { - case 18: - case 22: - case 19: - case 21: - case 55: - case 24: - case 54: - case 31: - case 33: - case 32: - case 34: - case 52: - case 53: - case 49: - case 47: - case 48: - case 17: - case 1: - return true; - case 25: - case 16: - default: - return false; - } - } - function parsePrimaryExpression() { - switch (token()) { - case 8: - case 9: - case 12: - return parseLiteralNode(); - case 98: - case 96: - case 94: - case 100: - case 85: - return parseTokenNode(); - case 18: - return parseParenthesizedExpression(); - case 20: - return parseArrayLiteralExpression(); - case 16: - return parseObjectLiteralExpression(); - case 119: - if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { - break; - } - return parseFunctionExpression(); - case 74: - return parseClassExpression(); - case 88: - return parseFunctionExpression(); - case 93: - return parseNewExpression(); - case 40: - case 62: - if (reScanSlashToken() === 11) { - return parseLiteralNode(); - } - break; - case 13: - return parseTemplateExpression(); - } - return parseIdentifier(ts.Diagnostics.Expression_expected); - } - function parseParenthesizedExpression() { - var node = createNode(179); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - return finishNode(node); - } - function parseSpreadElement() { - var node = createNode(192); - parseExpected(23); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseArgumentOrArrayLiteralElement() { - return token() === 23 ? parseSpreadElement() : - token() === 25 ? createNode(194) : - parseAssignmentExpressionOrHigher(); - } - function parseArgumentExpression() { - return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); - } - function parseArrayLiteralExpression() { - var node = createNode(171); - parseExpected(20); - if (scanner.hasPrecedingLineBreak()) { - node.multiLine = true; - } - node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); - parseExpected(21); - return finishNode(node); - } - function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { - if (parseContextualModifier(124)) { - return parseAccessorDeclaration(150, fullStart, decorators, modifiers); - } - else if (parseContextualModifier(132)) { - return parseAccessorDeclaration(151, fullStart, decorators, modifiers); - } - return undefined; - } - function parseObjectLiteralElement() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - var asteriskToken = parseOptionalToken(38); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - var questionToken = parseOptionalToken(54); - if (asteriskToken || token() === 18 || token() === 26) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); - } - var isShorthandPropertyAssignment = tokenIsIdentifier && (token() === 25 || token() === 17 || token() === 57); - if (isShorthandPropertyAssignment) { - var shorthandDeclaration = createNode(254, fullStart); - shorthandDeclaration.name = propertyName; - shorthandDeclaration.questionToken = questionToken; - var equalsToken = parseOptionalToken(57); - if (equalsToken) { - shorthandDeclaration.equalsToken = equalsToken; - shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); - } - return addJSDocComment(finishNode(shorthandDeclaration)); - } - else { - var propertyAssignment = createNode(253, fullStart); - propertyAssignment.modifiers = modifiers; - propertyAssignment.name = propertyName; - propertyAssignment.questionToken = questionToken; - parseExpected(55); - propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); - return addJSDocComment(finishNode(propertyAssignment)); - } - } - function parseObjectLiteralExpression() { - var node = createNode(172); - parseExpected(16); - if (scanner.hasPrecedingLineBreak()) { - node.multiLine = true; - } - node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); - parseExpected(17); - return finishNode(node); - } - function parseFunctionExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var node = createNode(180); - node.modifiers = parseModifiers(); - parseExpected(88); - node.asteriskToken = parseOptionalToken(38); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(ts.getModifierFlags(node) & 256); - node.name = - isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : - isGenerator ? doInYieldContext(parseOptionalIdentifier) : - isAsync ? doInAwaitContext(parseOptionalIdentifier) : - parseOptionalIdentifier(); - fillSignature(55, isGenerator, isAsync, false, node); - node.body = parseFunctionBlock(isGenerator, isAsync, false); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return addJSDocComment(finishNode(node)); - } - function parseOptionalIdentifier() { - return isIdentifier() ? parseIdentifier() : undefined; - } - function parseNewExpression() { - var node = createNode(176); - parseExpected(93); - node.expression = parseMemberExpressionOrHigher(); - node.typeArguments = tryParse(parseTypeArgumentsInExpression); - if (node.typeArguments || token() === 18) { - node.arguments = parseArgumentList(); - } - return finishNode(node); - } - function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { - var node = createNode(200); - if (parseExpected(16, diagnosticMessage) || ignoreMissingOpenBrace) { - if (scanner.hasPrecedingLineBreak()) { - node.multiLine = true; - } - node.statements = parseList(1, parseStatement); - parseExpected(17); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { - var savedYieldContext = inYieldContext(); - setYieldContext(allowYield); - var savedAwaitContext = inAwaitContext(); - setAwaitContext(allowAwait); - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - return block; - } - function parseEmptyStatement() { - var node = createNode(202); - parseExpected(24); - return finishNode(node); - } - function parseIfStatement() { - var node = createNode(204); - parseExpected(89); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - node.thenStatement = parseStatement(); - node.elseStatement = parseOptional(81) ? parseStatement() : undefined; - return finishNode(node); - } - function parseDoStatement() { - var node = createNode(205); - parseExpected(80); - node.statement = parseStatement(); - parseExpected(105); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - parseOptional(24); - return finishNode(node); - } - function parseWhileStatement() { - var node = createNode(206); - parseExpected(105); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - node.statement = parseStatement(); - return finishNode(node); - } - function parseForOrForInOrForOfStatement() { - var pos = getNodePos(); - parseExpected(87); - parseExpected(18); - var initializer = undefined; - if (token() !== 24) { - if (token() === 103 || token() === 109 || token() === 75) { - initializer = parseVariableDeclarationList(true); - } - else { - initializer = disallowInAnd(parseExpression); - } - } - var forOrForInOrForOfStatement; - if (parseOptional(91)) { - var forInStatement = createNode(208, pos); - forInStatement.initializer = initializer; - forInStatement.expression = allowInAnd(parseExpression); - parseExpected(19); - forOrForInOrForOfStatement = forInStatement; - } - else if (parseOptional(139)) { - var forOfStatement = createNode(209, pos); - forOfStatement.initializer = initializer; - forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); - parseExpected(19); - forOrForInOrForOfStatement = forOfStatement; - } - else { - var forStatement = createNode(207, pos); - forStatement.initializer = initializer; - parseExpected(24); - if (token() !== 24 && token() !== 19) { - forStatement.condition = allowInAnd(parseExpression); - } - parseExpected(24); - if (token() !== 19) { - forStatement.incrementor = allowInAnd(parseExpression); - } - parseExpected(19); - forOrForInOrForOfStatement = forStatement; - } - forOrForInOrForOfStatement.statement = parseStatement(); - return finishNode(forOrForInOrForOfStatement); - } - function parseBreakOrContinueStatement(kind) { - var node = createNode(kind); - parseExpected(kind === 211 ? 71 : 76); - if (!canParseSemicolon()) { - node.label = parseIdentifier(); - } - parseSemicolon(); - return finishNode(node); - } - function parseReturnStatement() { - var node = createNode(212); - parseExpected(95); - if (!canParseSemicolon()) { - node.expression = allowInAnd(parseExpression); - } - parseSemicolon(); - return finishNode(node); - } - function parseWithStatement() { - var node = createNode(213); - parseExpected(106); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - node.statement = parseStatement(); - return finishNode(node); - } - function parseCaseClause() { - var node = createNode(249); - parseExpected(72); - node.expression = allowInAnd(parseExpression); - parseExpected(55); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseDefaultClause() { - var node = createNode(250); - parseExpected(78); - parseExpected(55); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseCaseOrDefaultClause() { - return token() === 72 ? parseCaseClause() : parseDefaultClause(); - } - function parseSwitchStatement() { - var node = createNode(214); - parseExpected(97); - parseExpected(18); - node.expression = allowInAnd(parseExpression); - parseExpected(19); - var caseBlock = createNode(228, scanner.getStartPos()); - parseExpected(16); - caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); - parseExpected(17); - node.caseBlock = finishNode(caseBlock); - return finishNode(node); - } - function parseThrowStatement() { - var node = createNode(216); - parseExpected(99); - node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); - parseSemicolon(); - return finishNode(node); - } - function parseTryStatement() { - var node = createNode(217); - parseExpected(101); - node.tryBlock = parseBlock(false); - node.catchClause = token() === 73 ? parseCatchClause() : undefined; - if (!node.catchClause || token() === 86) { - parseExpected(86); - node.finallyBlock = parseBlock(false); - } - return finishNode(node); - } - function parseCatchClause() { - var result = createNode(252); - parseExpected(73); - if (parseExpected(18)) { - result.variableDeclaration = parseVariableDeclaration(); - } - parseExpected(19); - result.block = parseBlock(false); - return finishNode(result); - } - function parseDebuggerStatement() { - var node = createNode(218); - parseExpected(77); - parseSemicolon(); - return finishNode(node); - } - function parseExpressionOrLabeledStatement() { - var fullStart = scanner.getStartPos(); - var expression = allowInAnd(parseExpression); - if (expression.kind === 70 && parseOptional(55)) { - var labeledStatement = createNode(215, fullStart); - labeledStatement.label = expression; - labeledStatement.statement = parseStatement(); - return addJSDocComment(finishNode(labeledStatement)); - } - else { - var expressionStatement = createNode(203, fullStart); - expressionStatement.expression = expression; - parseSemicolon(); - return addJSDocComment(finishNode(expressionStatement)); - } - } - function nextTokenIsIdentifierOrKeywordOnSameLine() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token()) && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsFunctionKeywordOnSameLine() { - nextToken(); - return token() === 88 && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { - nextToken(); - return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8) && !scanner.hasPrecedingLineBreak(); - } - function isDeclaration() { - while (true) { - switch (token()) { - case 103: - case 109: - case 75: - case 88: - case 74: - case 82: - return true; - case 108: - case 135: - return nextTokenIsIdentifierOnSameLine(); - case 126: - case 127: - return nextTokenIsIdentifierOrStringLiteralOnSameLine(); - case 116: - case 119: - case 123: - case 111: - case 112: - case 113: - case 129: - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - continue; - case 138: - nextToken(); - return token() === 16 || token() === 70 || token() === 83; - case 90: - nextToken(); - return token() === 9 || token() === 38 || - token() === 16 || ts.tokenIsIdentifierOrKeyword(token()); - case 83: - nextToken(); - if (token() === 57 || token() === 38 || - token() === 16 || token() === 78 || - token() === 117) { - return true; - } - continue; - case 114: - nextToken(); - continue; - default: - return false; - } - } - } - function isStartOfDeclaration() { - return lookAhead(isDeclaration); - } - function isStartOfStatement() { - switch (token()) { - case 56: - case 24: - case 16: - case 103: - case 109: - case 88: - case 74: - case 82: - case 89: - case 80: - case 105: - case 87: - case 76: - case 71: - case 95: - case 106: - case 97: - case 99: - case 101: - case 77: - case 73: - case 86: - return true; - case 75: - case 83: - case 90: - return isStartOfDeclaration(); - case 119: - case 123: - case 108: - case 126: - case 127: - case 135: - case 138: - return true; - case 113: - case 111: - case 112: - case 114: - case 129: - return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - default: - return isStartOfExpression(); - } - } - function nextTokenIsIdentifierOrStartOfDestructuring() { - nextToken(); - return isIdentifier() || token() === 16 || token() === 20; - } - function isLetDeclaration() { - return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); - } - function parseStatement() { - switch (token()) { - case 24: - return parseEmptyStatement(); - case 16: - return parseBlock(false); - case 103: - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - case 109: - if (isLetDeclaration()) { - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - } - break; - case 88: - return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); - case 74: - return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); - case 89: - return parseIfStatement(); - case 80: - return parseDoStatement(); - case 105: - return parseWhileStatement(); - case 87: - return parseForOrForInOrForOfStatement(); - case 76: - return parseBreakOrContinueStatement(210); - case 71: - return parseBreakOrContinueStatement(211); - case 95: - return parseReturnStatement(); - case 106: - return parseWithStatement(); - case 97: - return parseSwitchStatement(); - case 99: - return parseThrowStatement(); - case 101: - case 73: - case 86: - return parseTryStatement(); - case 77: - return parseDebuggerStatement(); - case 56: - return parseDeclaration(); - case 119: - case 108: - case 135: - case 126: - case 127: - case 123: - case 75: - case 82: - case 83: - case 90: - case 111: - case 112: - case 113: - case 116: - case 114: - case 129: - case 138: - if (isStartOfDeclaration()) { - return parseDeclaration(); - } - break; - } - return parseExpressionOrLabeledStatement(); - } - function parseDeclaration() { - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - switch (token()) { - case 103: - case 109: - case 75: - return parseVariableStatement(fullStart, decorators, modifiers); - case 88: - return parseFunctionDeclaration(fullStart, decorators, modifiers); - case 74: - return parseClassDeclaration(fullStart, decorators, modifiers); - case 108: - return parseInterfaceDeclaration(fullStart, decorators, modifiers); - case 135: - return parseTypeAliasDeclaration(fullStart, decorators, modifiers); - case 82: - return parseEnumDeclaration(fullStart, decorators, modifiers); - case 138: - case 126: - case 127: - return parseModuleDeclaration(fullStart, decorators, modifiers); - case 90: - return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); - case 83: - nextToken(); - switch (token()) { - case 78: - case 57: - return parseExportAssignment(fullStart, decorators, modifiers); - case 117: - return parseNamespaceExportDeclaration(fullStart, decorators, modifiers); - default: - return parseExportDeclaration(fullStart, decorators, modifiers); - } - default: - if (decorators || modifiers) { - var node = createMissingNode(240, true, ts.Diagnostics.Declaration_expected); - node.pos = fullStart; - node.decorators = decorators; - node.modifiers = modifiers; - return finishNode(node); - } - } - } - function nextTokenIsIdentifierOrStringLiteralOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 9); - } - function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { - if (token() !== 16 && canParseSemicolon()) { - parseSemicolon(); - return; - } - return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); - } - function parseArrayBindingElement() { - if (token() === 25) { - return createNode(194); - } - var node = createNode(170); - node.dotDotDotToken = parseOptionalToken(23); - node.name = parseIdentifierOrPattern(); - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingElement() { - var node = createNode(170); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - if (tokenIsIdentifier && token() !== 55) { - node.name = propertyName; - } - else { - parseExpected(55); - node.propertyName = propertyName; - node.name = parseIdentifierOrPattern(); - } - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingPattern() { - var node = createNode(168); - parseExpected(16); - node.elements = parseDelimitedList(9, parseObjectBindingElement); - parseExpected(17); - return finishNode(node); - } - function parseArrayBindingPattern() { - var node = createNode(169); - parseExpected(20); - node.elements = parseDelimitedList(10, parseArrayBindingElement); - parseExpected(21); - return finishNode(node); - } - function isIdentifierOrPattern() { - return token() === 16 || token() === 20 || isIdentifier(); - } - function parseIdentifierOrPattern() { - if (token() === 20) { - return parseArrayBindingPattern(); - } - if (token() === 16) { - return parseObjectBindingPattern(); - } - return parseIdentifier(); - } - function parseVariableDeclaration() { - var node = createNode(219); - node.name = parseIdentifierOrPattern(); - node.type = parseTypeAnnotation(); - if (!isInOrOfKeyword(token())) { - node.initializer = parseInitializer(false); - } - return finishNode(node); - } - function parseVariableDeclarationList(inForStatementInitializer) { - var node = createNode(220); - switch (token()) { - case 103: - break; - case 109: - node.flags |= 1; - break; - case 75: - node.flags |= 2; - break; - default: - ts.Debug.fail(); - } - nextToken(); - if (token() === 139 && lookAhead(canFollowContextualOfKeyword)) { - node.declarations = createMissingList(); - } - else { - var savedDisallowIn = inDisallowInContext(); - setDisallowInContext(inForStatementInitializer); - node.declarations = parseDelimitedList(8, parseVariableDeclaration); - setDisallowInContext(savedDisallowIn); - } - return finishNode(node); - } - function canFollowContextualOfKeyword() { - return nextTokenIsIdentifier() && nextToken() === 19; - } - function parseVariableStatement(fullStart, decorators, modifiers) { - var node = createNode(201, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - node.declarationList = parseVariableDeclarationList(false); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseFunctionDeclaration(fullStart, decorators, modifiers) { - var node = createNode(221, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(88); - node.asteriskToken = parseOptionalToken(38); - node.name = ts.hasModifier(node, 512) ? parseOptionalIdentifier() : parseIdentifier(); - var isGenerator = !!node.asteriskToken; - var isAsync = ts.hasModifier(node, 256); - fillSignature(55, isGenerator, isAsync, false, node); - node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseConstructorDeclaration(pos, decorators, modifiers) { - var node = createNode(149, pos); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(122); - fillSignature(55, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { - var method = createNode(148, fullStart); - method.decorators = decorators; - method.modifiers = modifiers; - method.asteriskToken = asteriskToken; - method.name = name; - method.questionToken = questionToken; - var isGenerator = !!asteriskToken; - var isAsync = ts.hasModifier(method, 256); - fillSignature(55, isGenerator, isAsync, false, method); - method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); - return addJSDocComment(finishNode(method)); - } - function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { - var property = createNode(146, fullStart); - property.decorators = decorators; - property.modifiers = modifiers; - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - property.initializer = ts.hasModifier(property, 32) - ? allowInAnd(parseNonParameterInitializer) - : doOutsideOfContext(65536 | 32768, parseNonParameterInitializer); - parseSemicolon(); - return addJSDocComment(finishNode(property)); - } - function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { - var asteriskToken = parseOptionalToken(38); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(54); - if (asteriskToken || token() === 18 || token() === 26) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); - } - else { - return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); - } - } - function parseNonParameterInitializer() { - return parseInitializer(false); - } - function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - node.name = parsePropertyName(); - fillSignature(55, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false); - return addJSDocComment(finishNode(node)); - } - function isClassMemberModifier(idToken) { - switch (idToken) { - case 113: - case 111: - case 112: - case 114: - case 129: - return true; - default: - return false; - } - } - function isClassMemberStart() { - var idToken; - if (token() === 56) { - return true; - } - while (ts.isModifierKind(token())) { - idToken = token(); - if (isClassMemberModifier(idToken)) { - return true; - } - nextToken(); - } - if (token() === 38) { - return true; - } - if (isLiteralPropertyName()) { - idToken = token(); - nextToken(); - } - if (token() === 20) { - return true; - } - if (idToken !== undefined) { - if (!ts.isKeyword(idToken) || idToken === 132 || idToken === 124) { - return true; - } - switch (token()) { - case 18: - case 26: - case 55: - case 57: - case 54: - return true; - default: - return canParseSemicolon(); - } - } - return false; - } - function parseDecorators() { - var decorators; - while (true) { - var decoratorStart = getNodePos(); - if (!parseOptional(56)) { - break; - } - var decorator = createNode(144, decoratorStart); - decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); - finishNode(decorator); - if (!decorators) { - decorators = createNodeArray([decorator], decoratorStart); - } - else { - decorators.push(decorator); - } - } - if (decorators) { - decorators.end = getNodeEnd(); - } - return decorators; - } - function parseModifiers(permitInvalidConstAsModifier) { - var modifiers; - while (true) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token(); - if (token() === 75 && permitInvalidConstAsModifier) { - if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { - break; - } - } - else { - if (!parseAnyContextualModifier()) { - break; - } - } - var modifier = finishNode(createNode(modifierKind, modifierStart)); - if (!modifiers) { - modifiers = createNodeArray([modifier], modifierStart); - } - else { - modifiers.push(modifier); - } - } - if (modifiers) { - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseModifiersForArrowFunction() { - var modifiers; - if (token() === 119) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token(); - nextToken(); - var modifier = finishNode(createNode(modifierKind, modifierStart)); - modifiers = createNodeArray([modifier], modifierStart); - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseClassElement() { - if (token() === 24) { - var result = createNode(199); - nextToken(); - return finishNode(result); - } - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(true); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - if (token() === 122) { - return parseConstructorDeclaration(fullStart, decorators, modifiers); - } - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); - } - if (ts.tokenIsIdentifierOrKeyword(token()) || - token() === 9 || - token() === 8 || - token() === 38 || - token() === 20) { - return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); - } - if (decorators || modifiers) { - var name_10 = createMissingNode(70, true, ts.Diagnostics.Declaration_expected); - return parsePropertyDeclaration(fullStart, decorators, modifiers, name_10, undefined); - } - ts.Debug.fail("Should not have attempted to parse class member declaration."); - } - function parseClassExpression() { - return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 193); - } - function parseClassDeclaration(fullStart, decorators, modifiers) { - return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 222); - } - function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(74); - node.name = parseNameOfClassDeclarationOrExpression(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(); - if (parseExpected(16)) { - node.members = parseClassMembers(); - parseExpected(17); - } - else { - node.members = createMissingList(); - } - return addJSDocComment(finishNode(node)); - } - function parseNameOfClassDeclarationOrExpression() { - return isIdentifier() && !isImplementsClause() - ? parseIdentifier() - : undefined; - } - function isImplementsClause() { - return token() === 107 && lookAhead(nextTokenIsIdentifierOrKeyword); - } - function parseHeritageClauses() { - if (isHeritageClause()) { - return parseList(20, parseHeritageClause); - } - return undefined; - } - function parseHeritageClause() { - if (token() === 84 || token() === 107) { - var node = createNode(251); - node.token = token(); - nextToken(); - node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); - return finishNode(node); - } - return undefined; - } - function parseExpressionWithTypeArguments() { - var node = createNode(195); - node.expression = parseLeftHandSideExpressionOrHigher(); - if (token() === 26) { - node.typeArguments = parseBracketedList(18, parseType, 26, 28); - } - return finishNode(node); - } - function isHeritageClause() { - return token() === 84 || token() === 107; - } - function parseClassMembers() { - return parseList(5, parseClassElement); - } - function parseInterfaceDeclaration(fullStart, decorators, modifiers) { - var node = createNode(223, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(108); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(); - node.members = parseObjectTypeMembers(); - return addJSDocComment(finishNode(node)); - } - function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { - var node = createNode(224, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(135); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - parseExpected(57); - node.type = parseType(); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseEnumMember() { - var node = createNode(255, scanner.getStartPos()); - node.name = parsePropertyName(); - node.initializer = allowInAnd(parseNonParameterInitializer); - return addJSDocComment(finishNode(node)); - } - function parseEnumDeclaration(fullStart, decorators, modifiers) { - var node = createNode(225, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - parseExpected(82); - node.name = parseIdentifier(); - if (parseExpected(16)) { - node.members = parseDelimitedList(6, parseEnumMember); - parseExpected(17); - } - else { - node.members = createMissingList(); - } - return addJSDocComment(finishNode(node)); - } - function parseModuleBlock() { - var node = createNode(227, scanner.getStartPos()); - if (parseExpected(16)) { - node.statements = parseList(1, parseStatement); - parseExpected(17); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { - var node = createNode(226, fullStart); - var namespaceFlag = flags & 16; - node.decorators = decorators; - node.modifiers = modifiers; - node.flags |= flags; - node.name = parseIdentifier(); - node.body = parseOptional(22) - ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 4 | namespaceFlag) - : parseModuleBlock(); - return addJSDocComment(finishNode(node)); - } - function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { - var node = createNode(226, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - if (token() === 138) { - node.name = parseIdentifier(); - node.flags |= 512; - } - else { - node.name = parseLiteralNode(true); - } - if (token() === 16) { - node.body = parseModuleBlock(); - } - else { - parseSemicolon(); - } - return finishNode(node); - } - function parseModuleDeclaration(fullStart, decorators, modifiers) { - var flags = 0; - if (token() === 138) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - else if (parseOptional(127)) { - flags |= 16; - } - else { - parseExpected(126); - if (token() === 9) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - } - return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); - } - function isExternalModuleReference() { - return token() === 130 && - lookAhead(nextTokenIsOpenParen); - } - function nextTokenIsOpenParen() { - return nextToken() === 18; - } - function nextTokenIsSlash() { - return nextToken() === 40; - } - function parseNamespaceExportDeclaration(fullStart, decorators, modifiers) { - var exportDeclaration = createNode(229, fullStart); - exportDeclaration.decorators = decorators; - exportDeclaration.modifiers = modifiers; - parseExpected(117); - parseExpected(127); - exportDeclaration.name = parseIdentifier(); - parseExpected(24); - return finishNode(exportDeclaration); - } - function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { - parseExpected(90); - var afterImportPos = scanner.getStartPos(); - var identifier; - if (isIdentifier()) { - identifier = parseIdentifier(); - if (token() !== 25 && token() !== 137) { - var importEqualsDeclaration = createNode(230, fullStart); - importEqualsDeclaration.decorators = decorators; - importEqualsDeclaration.modifiers = modifiers; - importEqualsDeclaration.name = identifier; - parseExpected(57); - importEqualsDeclaration.moduleReference = parseModuleReference(); - parseSemicolon(); - return addJSDocComment(finishNode(importEqualsDeclaration)); - } - } - var importDeclaration = createNode(231, fullStart); - importDeclaration.decorators = decorators; - importDeclaration.modifiers = modifiers; - if (identifier || - token() === 38 || - token() === 16) { - importDeclaration.importClause = parseImportClause(identifier, afterImportPos); - parseExpected(137); - } - importDeclaration.moduleSpecifier = parseModuleSpecifier(); - parseSemicolon(); - return finishNode(importDeclaration); - } - function parseImportClause(identifier, fullStart) { - var importClause = createNode(232, fullStart); - if (identifier) { - importClause.name = identifier; - } - if (!importClause.name || - parseOptional(25)) { - importClause.namedBindings = token() === 38 ? parseNamespaceImport() : parseNamedImportsOrExports(234); - } - return finishNode(importClause); - } - function parseModuleReference() { - return isExternalModuleReference() - ? parseExternalModuleReference() - : parseEntityName(false); - } - function parseExternalModuleReference() { - var node = createNode(241); - parseExpected(130); - parseExpected(18); - node.expression = parseModuleSpecifier(); - parseExpected(19); - return finishNode(node); - } - function parseModuleSpecifier() { - if (token() === 9) { - var result = parseLiteralNode(); - internIdentifier(result.text); - return result; - } - else { - return parseExpression(); - } - } - function parseNamespaceImport() { - var namespaceImport = createNode(233); - parseExpected(38); - parseExpected(117); - namespaceImport.name = parseIdentifier(); - return finishNode(namespaceImport); - } - function parseNamedImportsOrExports(kind) { - var node = createNode(kind); - node.elements = parseBracketedList(21, kind === 234 ? parseImportSpecifier : parseExportSpecifier, 16, 17); - return finishNode(node); - } - function parseExportSpecifier() { - return parseImportOrExportSpecifier(239); - } - function parseImportSpecifier() { - return parseImportOrExportSpecifier(235); - } - function parseImportOrExportSpecifier(kind) { - var node = createNode(kind); - var checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); - var checkIdentifierStart = scanner.getTokenPos(); - var checkIdentifierEnd = scanner.getTextPos(); - var identifierName = parseIdentifierName(); - if (token() === 117) { - node.propertyName = identifierName; - parseExpected(117); - checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); - checkIdentifierStart = scanner.getTokenPos(); - checkIdentifierEnd = scanner.getTextPos(); - node.name = parseIdentifierName(); - } - else { - node.name = identifierName; - } - if (kind === 235 && checkIdentifierIsKeyword) { - parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); - } - return finishNode(node); - } - function parseExportDeclaration(fullStart, decorators, modifiers) { - var node = createNode(237, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - if (parseOptional(38)) { - parseExpected(137); - node.moduleSpecifier = parseModuleSpecifier(); - } - else { - node.exportClause = parseNamedImportsOrExports(238); - if (token() === 137 || (token() === 9 && !scanner.hasPrecedingLineBreak())) { - parseExpected(137); - node.moduleSpecifier = parseModuleSpecifier(); - } - } - parseSemicolon(); - return finishNode(node); - } - function parseExportAssignment(fullStart, decorators, modifiers) { - var node = createNode(236, fullStart); - node.decorators = decorators; - node.modifiers = modifiers; - if (parseOptional(57)) { - node.isExportEquals = true; - } - else { - parseExpected(78); - } - node.expression = parseAssignmentExpressionOrHigher(); - parseSemicolon(); - return finishNode(node); - } - function processReferenceComments(sourceFile) { - var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); - var referencedFiles = []; - var typeReferenceDirectives = []; - var amdDependencies = []; - var amdModuleName; - while (true) { - var kind = triviaScanner.scan(); - if (kind !== 2) { - if (ts.isTrivia(kind)) { - continue; - } - else { - break; - } - } - var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; - var comment = sourceText.substring(range.pos, range.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); - if (referencePathMatchResult) { - var fileReference = referencePathMatchResult.fileReference; - sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var diagnosticMessage = referencePathMatchResult.diagnosticMessage; - if (fileReference) { - if (referencePathMatchResult.isTypeReferenceDirective) { - typeReferenceDirectives.push(fileReference); - } - else { - referencedFiles.push(fileReference); - } - } - if (diagnosticMessage) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); - } - } - else { - var amdModuleNameRegEx = /^\/\/\/\s*".length; - return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function parseQualifiedName(left) { - var result = createNode(140, left.pos); - result.left = left; - result.right = parseIdentifierName(); - return finishNode(result); - } - function parseJSDocRecordType() { - var result = createNode(265); - result.literal = parseTypeLiteral(); - return finishNode(result); - } - function parseJSDocNonNullableType() { - var result = createNode(264); - nextToken(); - result.type = parseJSDocType(); - return finishNode(result); - } - function parseJSDocTupleType() { - var result = createNode(262); - nextToken(); - result.types = parseDelimitedList(25, parseJSDocType); - checkForTrailingComma(result.types); - parseExpected(21); - return finishNode(result); - } - function checkForTrailingComma(list) { - if (parseDiagnostics.length === 0 && list.hasTrailingComma) { - var start = list.end - ",".length; - parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function parseJSDocUnionType() { - var result = createNode(261); - nextToken(); - result.types = parseJSDocTypeList(parseJSDocType()); - parseExpected(19); - return finishNode(result); - } - function parseJSDocTypeList(firstType) { - ts.Debug.assert(!!firstType); - var types = createNodeArray([firstType], firstType.pos); - while (parseOptional(48)) { - types.push(parseJSDocType()); - } - types.end = scanner.getStartPos(); - return types; - } - function parseJSDocAllType() { - var result = createNode(258); - nextToken(); - return finishNode(result); - } - function parseJSDocLiteralType() { - var result = createNode(282); - result.literal = parseLiteralTypeNode(); - return finishNode(result); - } - function parseJSDocUnknownOrNullableType() { - var pos = scanner.getStartPos(); - nextToken(); - if (token() === 25 || - token() === 17 || - token() === 19 || - token() === 28 || - token() === 57 || - token() === 48) { - var result = createNode(259, pos); - return finishNode(result); - } - else { - var result = createNode(263, pos); - result.type = parseJSDocType(); - return finishNode(result); - } - } - function parseIsolatedJSDocComment(content, start, length) { - initializeState(content, 4, undefined, 1); - sourceFile = { languageVariant: 0, text: content }; - var jsDoc = parseJSDocCommentWorker(start, length); - var diagnostics = parseDiagnostics; - clearState(); - return jsDoc ? { jsDoc: jsDoc, diagnostics: diagnostics } : undefined; - } - JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocComment(parent, start, length) { - var saveToken = currentToken; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var comment = parseJSDocCommentWorker(start, length); - if (comment) { - comment.parent = parent; - } - currentToken = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - return comment; - } - JSDocParser.parseJSDocComment = parseJSDocComment; - var JSDocState; - (function (JSDocState) { - JSDocState[JSDocState["BeginningOfLine"] = 0] = "BeginningOfLine"; - JSDocState[JSDocState["SawAsterisk"] = 1] = "SawAsterisk"; - JSDocState[JSDocState["SavingComments"] = 2] = "SavingComments"; - })(JSDocState || (JSDocState = {})); - function parseJSDocCommentWorker(start, length) { - var content = sourceText; - start = start || 0; - var end = length === undefined ? content.length : start + length; - length = end - start; - ts.Debug.assert(start >= 0); - ts.Debug.assert(start <= end); - ts.Debug.assert(end <= content.length); - var tags; - var comments = []; - var result; - if (!isJsDocStart(content, start)) { - return result; - } - scanner.scanRange(start + 3, length - 5, function () { - var advanceToken = true; - var state = 1; - var margin = undefined; - var indent = start - Math.max(content.lastIndexOf("\n", start), 0) + 4; - function pushComment(text) { - if (!margin) { - margin = indent; - } - comments.push(text); - indent += text.length; - } - nextJSDocToken(); - while (token() === 5) { - nextJSDocToken(); - } - if (token() === 4) { - state = 0; - nextJSDocToken(); - } - while (token() !== 1) { - switch (token()) { - case 56: - if (state === 0 || state === 1) { - removeTrailingNewlines(comments); - parseTag(indent); - state = 0; - advanceToken = false; - margin = undefined; - indent++; - } - else { - pushComment(scanner.getTokenText()); - } - break; - case 4: - comments.push(scanner.getTokenText()); - state = 0; - indent = 0; - break; - case 38: - var asterisk = scanner.getTokenText(); - if (state === 1) { - state = 2; - pushComment(asterisk); - } - else { - state = 1; - indent += asterisk.length; - } - break; - case 70: - pushComment(scanner.getTokenText()); - state = 2; - break; - case 5: - var whitespace = scanner.getTokenText(); - if (state === 2 || margin !== undefined && indent + whitespace.length > margin) { - comments.push(whitespace.slice(margin - indent - 1)); - } - indent += whitespace.length; - break; - case 1: - break; - default: - pushComment(scanner.getTokenText()); - break; - } - if (advanceToken) { - nextJSDocToken(); - } - else { - advanceToken = true; - } - } - removeLeadingNewlines(comments); - removeTrailingNewlines(comments); - result = createJSDocComment(); - }); - return result; - function removeLeadingNewlines(comments) { - while (comments.length && (comments[0] === "\n" || comments[0] === "\r")) { - comments.shift(); - } - } - function removeTrailingNewlines(comments) { - while (comments.length && (comments[comments.length - 1] === "\n" || comments[comments.length - 1] === "\r")) { - comments.pop(); - } - } - function isJsDocStart(content, start) { - return content.charCodeAt(start) === 47 && - content.charCodeAt(start + 1) === 42 && - content.charCodeAt(start + 2) === 42 && - content.charCodeAt(start + 3) !== 42; - } - function createJSDocComment() { - var result = createNode(273, start); - result.tags = tags; - result.comment = comments.length ? comments.join("") : undefined; - return finishNode(result, end); - } - function skipWhitespace() { - while (token() === 5 || token() === 4) { - nextJSDocToken(); - } - } - function parseTag(indent) { - ts.Debug.assert(token() === 56); - var atToken = createNode(56, scanner.getTokenPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifierName(); - skipWhitespace(); - if (!tagName) { - return; - } - var tag; - if (tagName) { - switch (tagName.text) { - case "param": - tag = parseParamTag(atToken, tagName); - break; - case "return": - case "returns": - tag = parseReturnTag(atToken, tagName); - break; - case "template": - tag = parseTemplateTag(atToken, tagName); - break; - case "type": - tag = parseTypeTag(atToken, tagName); - break; - case "typedef": - tag = parseTypedefTag(atToken, tagName); - break; - default: - tag = parseUnknownTag(atToken, tagName); - break; - } - } - else { - tag = parseUnknownTag(atToken, tagName); - } - if (!tag) { - return; - } - addTag(tag, parseTagComments(indent + tag.end - tag.pos)); - } - function parseTagComments(indent) { - var comments = []; - var state = 1; - var margin; - function pushComment(text) { - if (!margin) { - margin = indent; - } - comments.push(text); - indent += text.length; - } - while (token() !== 56 && token() !== 1) { - switch (token()) { - case 4: - if (state >= 1) { - state = 0; - comments.push(scanner.getTokenText()); - } - indent = 0; - break; - case 56: - break; - case 5: - if (state === 2) { - pushComment(scanner.getTokenText()); - } - else { - var whitespace = scanner.getTokenText(); - if (margin !== undefined && indent + whitespace.length > margin) { - comments.push(whitespace.slice(margin - indent - 1)); - } - indent += whitespace.length; - } - break; - case 38: - if (state === 0) { - state = 1; - indent += scanner.getTokenText().length; - break; - } - default: - state = 2; - pushComment(scanner.getTokenText()); - break; - } - if (token() === 56) { - break; - } - nextJSDocToken(); - } - removeLeadingNewlines(comments); - removeTrailingNewlines(comments); - return comments; - } - function parseUnknownTag(atToken, tagName) { - var result = createNode(274, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - return finishNode(result); - } - function addTag(tag, comments) { - tag.comment = comments.join(""); - if (!tags) { - tags = createNodeArray([tag], tag.pos); - } - else { - tags.push(tag); - } - tags.end = tag.end; - } - function tryParseTypeExpression() { - return tryParse(function () { - skipWhitespace(); - if (token() !== 16) { - return undefined; - } - return parseJSDocTypeExpression(); - }); - } - function parseParamTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name; - var isBracketed; - if (parseOptionalToken(20)) { - name = parseJSDocIdentifierName(); - skipWhitespace(); - isBracketed = true; - if (parseOptionalToken(57)) { - parseExpression(); - } - parseExpected(21); - } - else if (ts.tokenIsIdentifierOrKeyword(token())) { - name = parseJSDocIdentifierName(); - } - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var preName, postName; - if (typeExpression) { - postName = name; - } - else { - preName = name; - } - if (!typeExpression) { - typeExpression = tryParseTypeExpression(); - } - var result = createNode(275, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.preParameterName = preName; - result.typeExpression = typeExpression; - result.postParameterName = postName; - result.parameterName = postName || preName; - result.isBracketed = isBracketed; - return finishNode(result); - } - function parseReturnTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 276; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(276, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function parseTypeTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 277; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(277, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function parsePropertyTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name = parseJSDocIdentifierName(); - skipWhitespace(); - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var result = createNode(280, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.name = name; - result.typeExpression = typeExpression; - return finishNode(result); - } - function parseTypedefTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var typedefTag = createNode(279, atToken.pos); - typedefTag.atToken = atToken; - typedefTag.tagName = tagName; - typedefTag.name = parseJSDocIdentifierName(); - typedefTag.typeExpression = typeExpression; - skipWhitespace(); - if (typeExpression) { - if (typeExpression.type.kind === 267) { - var jsDocTypeReference = typeExpression.type; - if (jsDocTypeReference.name.kind === 70) { - var name_11 = jsDocTypeReference.name; - if (name_11.text === "Object") { - typedefTag.jsDocTypeLiteral = scanChildTags(); - } - } - } - if (!typedefTag.jsDocTypeLiteral) { - typedefTag.jsDocTypeLiteral = typeExpression.type; - } - } - else { - typedefTag.jsDocTypeLiteral = scanChildTags(); - } - return finishNode(typedefTag); - function scanChildTags() { - var jsDocTypeLiteral = createNode(281, scanner.getStartPos()); - var resumePos = scanner.getStartPos(); - var canParseTag = true; - var seenAsterisk = false; - var parentTagTerminated = false; - while (token() !== 1 && !parentTagTerminated) { - nextJSDocToken(); - switch (token()) { - case 56: - if (canParseTag) { - parentTagTerminated = !tryParseChildTag(jsDocTypeLiteral); - if (!parentTagTerminated) { - resumePos = scanner.getStartPos(); - } - } - seenAsterisk = false; - break; - case 4: - resumePos = scanner.getStartPos() - 1; - canParseTag = true; - seenAsterisk = false; - break; - case 38: - if (seenAsterisk) { - canParseTag = false; - } - seenAsterisk = true; - break; - case 70: - canParseTag = false; - case 1: - break; - } - } - scanner.setTextPos(resumePos); - return finishNode(jsDocTypeLiteral); - } - } - function tryParseChildTag(parentTag) { - ts.Debug.assert(token() === 56); - var atToken = createNode(56, scanner.getStartPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifierName(); - skipWhitespace(); - if (!tagName) { - return false; - } - switch (tagName.text) { - case "type": - if (parentTag.jsDocTypeTag) { - return false; - } - parentTag.jsDocTypeTag = parseTypeTag(atToken, tagName); - return true; - case "prop": - case "property": - if (!parentTag.jsDocPropertyTags) { - parentTag.jsDocPropertyTags = []; - } - var propertyTag = parsePropertyTag(atToken, tagName); - parentTag.jsDocPropertyTags.push(propertyTag); - return true; - } - return false; - } - function parseTemplateTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 278; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var typeParameters = createNodeArray(); - while (true) { - var name_12 = parseJSDocIdentifierName(); - skipWhitespace(); - if (!name_12) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var typeParameter = createNode(142, name_12.pos); - typeParameter.name = name_12; - finishNode(typeParameter); - typeParameters.push(typeParameter); - if (token() === 25) { - nextJSDocToken(); - skipWhitespace(); - } - else { - break; - } + processReferenceComments(sourceFile); + sourceFile.statements = parseList(0, parseStatement); + ts.Debug.assert(token() === 1); + sourceFile.endOfFileToken = parseTokenNode(); + setExternalModuleIndicator(sourceFile); + sourceFile.nodeCount = nodeCount; + sourceFile.identifierCount = identifierCount; + sourceFile.identifiers = identifiers; + sourceFile.parseDiagnostics = parseDiagnostics; + if (setParentNodes) { + fixupParentReferences(sourceFile); + } + return sourceFile; + } + function addJSDocComment(node) { + var comments = ts.getJsDocCommentsFromText(node, sourceFile.text); + if (comments) { + for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { + var comment = comments_2[_i]; + var jsDoc = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); + if (!jsDoc) { + continue; } - var result = createNode(278, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeParameters = typeParameters; - finishNode(result); - typeParameters.end = result.end; - return result; - } - function nextJSDocToken() { - return currentToken = scanner.scanJSDocToken(); - } - function parseJSDocIdentifierName() { - return createJSDocIdentifier(ts.tokenIsIdentifierOrKeyword(token())); - } - function createJSDocIdentifier(isIdentifier) { - if (!isIdentifier) { - parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); - return undefined; + if (!node.jsDocComments) { + node.jsDocComments = []; } - var pos = scanner.getTokenPos(); - var end = scanner.getTextPos(); - var result = createNode(70, pos); - result.text = content.substring(pos, end); - finishNode(result, end); - nextJSDocToken(); - return result; + node.jsDocComments.push(jsDoc); } } - JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; - })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); - })(Parser || (Parser = {})); - var IncrementalParser; - (function (IncrementalParser) { - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); - checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); - if (ts.textChangeRangeIsUnchanged(textChangeRange)) { - return sourceFile; - } - if (sourceFile.statements.length === 0) { - return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true, sourceFile.scriptKind); - } - var incrementalSourceFile = sourceFile; - ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); - incrementalSourceFile.hasBeenIncrementallyParsed = true; - var oldText = sourceFile.text; - var syntaxCursor = createSyntaxCursor(sourceFile); - var changeRange = extendToAffectedRange(sourceFile, textChangeRange); - checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); - ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); - ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); - ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); - var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; - updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); - var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true, sourceFile.scriptKind); - return result; + return node; } - IncrementalParser.updateSourceFile = updateSourceFile; - function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { - if (isArray) { - visitArray(element); - } - else { - visitNode(element); - } + function fixupParentReferences(rootNode) { + var parent = rootNode; + forEachChild(rootNode, visitNode); return; - function visitNode(node) { - var text = ""; - if (aggressiveChecks && shouldCheckNode(node)) { - text = oldText.substring(node.pos, node.end); - } - if (node._children) { - node._children = undefined; - } - node.pos += delta; - node.end += delta; - if (aggressiveChecks && shouldCheckNode(node)) { - ts.Debug.assert(text === newText.substring(node.pos, node.end)); - } - forEachChild(node, visitNode, visitArray); - if (node.jsDocComments) { - for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - forEachChild(jsDocComment, visitNode, visitArray); + function visitNode(n) { + if (n.parent !== parent) { + n.parent = parent; + var saveParent = parent; + parent = n; + forEachChild(n, visitNode); + if (n.jsDocComments) { + for (var _i = 0, _a = n.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + jsDocComment.parent = n; + parent = jsDocComment; + forEachChild(jsDocComment, visitNode); + } } - } - checkNodePositions(node, aggressiveChecks); - } - function visitArray(array) { - array._children = undefined; - array.pos += delta; - array.end += delta; - for (var _i = 0, array_9 = array; _i < array_9.length; _i++) { - var node = array_9[_i]; - visitNode(node); + parent = saveParent; } } } - function shouldCheckNode(node) { - switch (node.kind) { - case 9: - case 8: - case 70: - return true; - } - return false; + Parser.fixupParentReferences = fixupParentReferences; + function createSourceFile(fileName, languageVersion, scriptKind) { + var sourceFile = new SourceFileConstructor(256, 0, sourceText.length); + nodeCount++; + sourceFile.text = sourceText; + sourceFile.bindDiagnostics = []; + sourceFile.languageVersion = languageVersion; + sourceFile.fileName = ts.normalizePath(fileName); + sourceFile.languageVariant = getLanguageVariant(scriptKind); + sourceFile.isDeclarationFile = ts.fileExtensionIs(sourceFile.fileName, ".d.ts"); + sourceFile.scriptKind = scriptKind; + return sourceFile; } - function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { - ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); - ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); - ts.Debug.assert(element.pos <= element.end); - element.pos = Math.min(element.pos, changeRangeNewEnd); - if (element.end >= changeRangeOldEnd) { - element.end += delta; + function setContextFlag(val, flag) { + if (val) { + contextFlags |= flag; } else { - element.end = Math.min(element.end, changeRangeNewEnd); - } - ts.Debug.assert(element.pos <= element.end); - if (element.parent) { - ts.Debug.assert(element.pos >= element.parent.pos); - ts.Debug.assert(element.end <= element.parent.end); + contextFlags &= ~flag; } } - function checkNodePositions(node, aggressiveChecks) { - if (aggressiveChecks) { - var pos_2 = node.pos; - forEachChild(node, function (child) { - ts.Debug.assert(child.pos >= pos_2); - pos_2 = child.end; - }); - ts.Debug.assert(pos_2 <= node.end); - } + function setDisallowInContext(val) { + setContextFlag(val, 32768); } - function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { - visitNode(sourceFile); - return; - function visitNode(child) { - ts.Debug.assert(child.pos <= child.end); - if (child.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = child.end; - if (fullEnd >= changeStart) { - child.intersectsChange = true; - child._children = undefined; - adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - forEachChild(child, visitNode, visitArray); - checkNodePositions(child, aggressiveChecks); - return; - } - ts.Debug.assert(fullEnd < changeStart); - } - function visitArray(array) { - ts.Debug.assert(array.pos <= array.end); - if (array.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = array.end; - if (fullEnd >= changeStart) { - array.intersectsChange = true; - array._children = undefined; - adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - for (var _i = 0, array_10 = array; _i < array_10.length; _i++) { - var node = array_10[_i]; - visitNode(node); - } - return; - } - ts.Debug.assert(fullEnd < changeStart); - } + function setYieldContext(val) { + setContextFlag(val, 65536); } - function extendToAffectedRange(sourceFile, changeRange) { - var maxLookahead = 1; - var start = changeRange.span.start; - for (var i = 0; start > 0 && i <= maxLookahead; i++) { - var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); - ts.Debug.assert(nearestNode.pos <= start); - var position = nearestNode.pos; - start = Math.max(0, position - 1); - } - var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); - var finalLength = changeRange.newLength + (changeRange.span.start - start); - return ts.createTextChangeRange(finalSpan, finalLength); + function setDecoratorContext(val) { + setContextFlag(val, 131072); } - function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { - var bestResult = sourceFile; - var lastNodeEntirelyBeforePosition; - forEachChild(sourceFile, visit); - if (lastNodeEntirelyBeforePosition) { - var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); - if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { - bestResult = lastChildOfLastEntireNodeBeforePosition; - } - } - return bestResult; - function getLastChild(node) { - while (true) { - var lastChild = getLastChildWorker(node); - if (lastChild) { - node = lastChild; - } - else { - return node; - } - } - } - function getLastChildWorker(node) { - var last = undefined; - forEachChild(node, function (child) { - if (ts.nodeIsPresent(child)) { - last = child; - } - }); - return last; - } - function visit(child) { - if (ts.nodeIsMissing(child)) { - return; - } - if (child.pos <= position) { - if (child.pos >= bestResult.pos) { - bestResult = child; - } - if (position < child.end) { - forEachChild(child, visit); - return true; - } - else { - ts.Debug.assert(child.end <= position); - lastNodeEntirelyBeforePosition = child; - } - } - else { - ts.Debug.assert(child.pos > position); - return true; - } - } + function setAwaitContext(val) { + setContextFlag(val, 262144); } - function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { - var oldText = sourceFile.text; - if (textChangeRange) { - ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); - if (aggressiveChecks || ts.Debug.shouldAssert(3)) { - var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); - var newTextPrefix = newText.substr(0, textChangeRange.span.start); - ts.Debug.assert(oldTextPrefix === newTextPrefix); - var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); - var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); - ts.Debug.assert(oldTextSuffix === newTextSuffix); - } + function doOutsideOfContext(context, func) { + var contextFlagsToClear = context & contextFlags; + if (contextFlagsToClear) { + setContextFlag(false, contextFlagsToClear); + var result = func(); + setContextFlag(true, contextFlagsToClear); + return result; } + return func(); } - function createSyntaxCursor(sourceFile) { - var currentArray = sourceFile.statements; - var currentArrayIndex = 0; - ts.Debug.assert(currentArrayIndex < currentArray.length); - var current = currentArray[currentArrayIndex]; - var lastQueriedPosition = -1; - return { - currentNode: function (position) { - if (position !== lastQueriedPosition) { - if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { - currentArrayIndex++; - current = currentArray[currentArrayIndex]; - } - if (!current || current.pos !== position) { - findHighestListElementThatStartsAtPosition(position); - } - } - lastQueriedPosition = position; - ts.Debug.assert(!current || current.pos === position); - return current; - } - }; - function findHighestListElementThatStartsAtPosition(position) { - currentArray = undefined; - currentArrayIndex = -1; - current = undefined; - forEachChild(sourceFile, visitNode, visitArray); - return; - function visitNode(node) { - if (position >= node.pos && position < node.end) { - forEachChild(node, visitNode, visitArray); - return true; - } - return false; - } - function visitArray(array) { - if (position >= array.pos && position < array.end) { - for (var i = 0, n = array.length; i < n; i++) { - var child = array[i]; - if (child) { - if (child.pos === position) { - currentArray = array; - currentArrayIndex = i; - current = child; - return true; - } - else { - if (child.pos < position && position < child.end) { - forEachChild(child, visitNode, visitArray); - return true; - } - } - } - } - } - return false; - } + function doInsideOfContext(context, func) { + var contextFlagsToSet = context & ~contextFlags; + if (contextFlagsToSet) { + setContextFlag(true, contextFlagsToSet); + var result = func(); + setContextFlag(false, contextFlagsToSet); + return result; } + return func(); } - var InvalidPosition; - (function (InvalidPosition) { - InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; - })(InvalidPosition || (InvalidPosition = {})); - })(IncrementalParser || (IncrementalParser = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - (function (ModuleInstanceState) { - ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; - ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; - ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; - })(ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); - var ModuleInstanceState = ts.ModuleInstanceState; - function getModuleInstanceState(node) { - if (node.kind === 223 || node.kind === 224) { - return 0; + function allowInAnd(func) { + return doOutsideOfContext(32768, func); } - else if (ts.isConstEnumDeclaration(node)) { - return 2; + function disallowInAnd(func) { + return doInsideOfContext(32768, func); } - else if ((node.kind === 231 || node.kind === 230) && !(ts.hasModifier(node, 1))) { - return 0; + function doInYieldContext(func) { + return doInsideOfContext(65536, func); } - else if (node.kind === 227) { - var state_1 = 0; - ts.forEachChild(node, function (n) { - switch (getModuleInstanceState(n)) { - case 0: - return false; - case 2: - state_1 = 2; - return false; - case 1: - state_1 = 1; - return true; - } - }); - return state_1; + function doInDecoratorContext(func) { + return doInsideOfContext(131072, func); } - else if (node.kind === 226) { - var body = node.body; - return body ? getModuleInstanceState(body) : 1; + function doInAwaitContext(func) { + return doInsideOfContext(262144, func); } - else { - return 1; + function doOutsideOfAwaitContext(func) { + return doOutsideOfContext(262144, func); } - } - ts.getModuleInstanceState = getModuleInstanceState; - var ContainerFlags; - (function (ContainerFlags) { - ContainerFlags[ContainerFlags["None"] = 0] = "None"; - ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; - ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; - ContainerFlags[ContainerFlags["IsControlFlowContainer"] = 4] = "IsControlFlowContainer"; - ContainerFlags[ContainerFlags["IsFunctionLike"] = 8] = "IsFunctionLike"; - ContainerFlags[ContainerFlags["IsFunctionExpression"] = 16] = "IsFunctionExpression"; - ContainerFlags[ContainerFlags["HasLocals"] = 32] = "HasLocals"; - ContainerFlags[ContainerFlags["IsInterface"] = 64] = "IsInterface"; - ContainerFlags[ContainerFlags["IsObjectLiteralOrClassExpressionMethod"] = 128] = "IsObjectLiteralOrClassExpressionMethod"; - })(ContainerFlags || (ContainerFlags = {})); - var binder = createBinder(); - function bindSourceFile(file, options) { - ts.performance.mark("beforeBind"); - binder(file, options); - ts.performance.mark("afterBind"); - ts.performance.measure("Bind", "beforeBind", "afterBind"); - } - ts.bindSourceFile = bindSourceFile; - function createBinder() { - var file; - var options; - var languageVersion; - var parent; - var container; - var blockScopeContainer; - var lastContainer; - var seenThisKeyword; - var currentFlow; - var currentBreakTarget; - var currentContinueTarget; - var currentReturnTarget; - var currentTrueTarget; - var currentFalseTarget; - var preSwitchCaseFlow; - var activeLabels; - var hasExplicitReturn; - var emitFlags; - var inStrictMode; - var symbolCount = 0; - var Symbol; - var classifiableNames; - var unreachableFlow = { flags: 1 }; - var reportedUnreachableFlow = { flags: 1 }; - var subtreeTransformFlags = 0; - var skipTransformFlagAggregation; - function bindSourceFile(f, opts) { - file = f; - options = opts; - languageVersion = ts.getEmitScriptTarget(options); - inStrictMode = bindInStrictMode(file, opts); - classifiableNames = ts.createMap(); - symbolCount = 0; - skipTransformFlagAggregation = ts.isDeclarationFile(file); - Symbol = ts.objectAllocator.getSymbolConstructor(); - if (!file.locals) { - bind(file); - file.symbolCount = symbolCount; - file.classifiableNames = classifiableNames; + function doInYieldAndAwaitContext(func) { + return doInsideOfContext(65536 | 262144, func); + } + function inContext(flags) { + return (contextFlags & flags) !== 0; + } + function inYieldContext() { + return inContext(65536); + } + function inDisallowInContext() { + return inContext(32768); + } + function inDecoratorContext() { + return inContext(131072); + } + function inAwaitContext() { + return inContext(262144); + } + function parseErrorAtCurrentToken(message, arg0) { + var start = scanner.getTokenPos(); + var length = scanner.getTextPos() - start; + parseErrorAtPosition(start, length, message, arg0); + } + function parseErrorAtPosition(start, length, message, arg0) { + var lastError = ts.lastOrUndefined(parseDiagnostics); + if (!lastError || start !== lastError.start) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); } - file = undefined; - options = undefined; - languageVersion = undefined; - parent = undefined; - container = undefined; - blockScopeContainer = undefined; - lastContainer = undefined; - seenThisKeyword = false; - currentFlow = undefined; - currentBreakTarget = undefined; - currentContinueTarget = undefined; - currentReturnTarget = undefined; - currentTrueTarget = undefined; - currentFalseTarget = undefined; - activeLabels = undefined; - hasExplicitReturn = false; - emitFlags = 0; - subtreeTransformFlags = 0; + parseErrorBeforeNextFinishedNode = true; + } + function scanError(message, length) { + var pos = scanner.getTextPos(); + parseErrorAtPosition(pos, length || 0, message); + } + function getNodePos() { + return scanner.getStartPos(); + } + function getNodeEnd() { + return scanner.getStartPos(); } - return bindSourceFile; - function bindInStrictMode(file, opts) { - if (opts.alwaysStrict && !ts.isDeclarationFile(file)) { - return true; - } - else { - return !!file.externalModuleIndicator; - } + function token() { + return currentToken; } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); + function nextToken() { + return currentToken = scanner.scan(); } - function addDeclarationToSymbol(symbol, node, symbolFlags) { - symbol.flags |= symbolFlags; - node.symbol = symbol; - if (!symbol.declarations) { - symbol.declarations = []; + function reScanGreaterToken() { + return currentToken = scanner.reScanGreaterToken(); + } + function reScanSlashToken() { + return currentToken = scanner.reScanSlashToken(); + } + function reScanTemplateToken() { + return currentToken = scanner.reScanTemplateToken(); + } + function scanJsxIdentifier() { + return currentToken = scanner.scanJsxIdentifier(); + } + function scanJsxText() { + return currentToken = scanner.scanJsxToken(); + } + function scanJsxAttributeValue() { + return currentToken = scanner.scanJsxAttributeValue(); + } + function speculationHelper(callback, isLookAhead) { + var saveToken = currentToken; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var saveContextFlags = contextFlags; + var result = isLookAhead + ? scanner.lookAhead(callback) + : scanner.tryScan(callback); + ts.Debug.assert(saveContextFlags === contextFlags); + if (!result || isLookAhead) { + currentToken = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; } - symbol.declarations.push(node); - if (symbolFlags & 1952 && !symbol.exports) { - symbol.exports = ts.createMap(); + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, true); + } + function tryParse(callback) { + return speculationHelper(callback, false); + } + function isIdentifier() { + if (token() === 70) { + return true; } - if (symbolFlags & 6240 && !symbol.members) { - symbol.members = ts.createMap(); + if (token() === 115 && inYieldContext()) { + return false; } - if (symbolFlags & 107455) { - var valueDeclaration = symbol.valueDeclaration; - if (!valueDeclaration || - (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 226)) { - symbol.valueDeclaration = node; - } + if (token() === 120 && inAwaitContext()) { + return false; } + return token() > 106; } - function getDeclarationName(node) { - if (node.name) { - if (ts.isAmbientModule(node)) { - return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; - } - if (node.name.kind === 141) { - var nameExpression = node.name.expression; - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; - } - ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); - return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); + function parseExpected(kind, diagnosticMessage, shouldAdvance) { + if (shouldAdvance === void 0) { shouldAdvance = true; } + if (token() === kind) { + if (shouldAdvance) { + nextToken(); } - return node.name.text; + return true; } - switch (node.kind) { - case 149: - return "__constructor"; - case 157: - case 152: - return "__call"; - case 158: - case 153: - return "__new"; - case 154: - return "__index"; - case 237: - return "__export"; - case 236: - return node.isExportEquals ? "export=" : "default"; - case 188: - switch (ts.getSpecialPropertyAssignmentKind(node)) { - case 2: - return "export="; - case 1: - case 4: - return node.left.name.text; - case 3: - return node.left.expression.name.text; - } - ts.Debug.fail("Unknown binary declaration kind"); - break; - case 221: - case 222: - return ts.hasModifier(node, 512) ? "default" : undefined; - case 269: - return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; - case 143: - ts.Debug.assert(node.parent.kind === 269); - var functionType = node.parent; - var index = ts.indexOf(functionType.parameters, node); - return "arg" + index; - case 279: - var parentNode = node.parent && node.parent.parent; - var nameFromParentNode = void 0; - if (parentNode && parentNode.kind === 201) { - if (parentNode.declarationList.declarations.length > 0) { - var nameIdentifier = parentNode.declarationList.declarations[0].name; - if (nameIdentifier.kind === 70) { - nameFromParentNode = nameIdentifier.text; - } - } - } - return nameFromParentNode; + if (diagnosticMessage) { + parseErrorAtCurrentToken(diagnosticMessage); + } + else { + parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); } + return false; } - function getDisplayName(node) { - return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); + function parseOptional(t) { + if (token() === t) { + nextToken(); + return true; + } + return false; } - function declareSymbol(symbolTable, parent, node, includes, excludes) { - ts.Debug.assert(!ts.hasDynamicName(node)); - var isDefaultExport = ts.hasModifier(node, 512); - var name = isDefaultExport && parent ? "default" : getDeclarationName(node); - var symbol; - if (name === undefined) { - symbol = createSymbol(0, "__missing"); + function parseOptionalToken(t) { + if (token() === t) { + return parseTokenNode(); } - else { - symbol = symbolTable[name] || (symbolTable[name] = createSymbol(0, name)); - if (name && (includes & 788448)) { - classifiableNames[name] = name; - } - if (symbol.flags & excludes) { - if (symbol.isReplaceableByMethod) { - symbol = symbolTable[name] = createSymbol(0, name); - } - else { - if (node.name) { - node.name.parent = node; - } - var message_1 = symbol.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 - : ts.Diagnostics.Duplicate_identifier_0; - if (symbol.declarations && symbol.declarations.length) { - if (isDefaultExport) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - else { - if (symbol.declarations && symbol.declarations.length && - (isDefaultExport || (node.kind === 236 && !node.isExportEquals))) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - } - } - ts.forEach(symbol.declarations, function (declaration) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); - }); - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); - symbol = createSymbol(0, name); - } - } + return undefined; + } + function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { + return parseOptionalToken(t) || + createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + } + function parseTokenNode() { + var node = createNode(token()); + nextToken(); + return finishNode(node); + } + function canParseSemicolon() { + if (token() === 24) { + return true; } - addDeclarationToSymbol(symbol, node, includes); - symbol.parent = parent; - return symbol; + return token() === 17 || token() === 1 || scanner.hasPrecedingLineBreak(); } - function declareModuleMember(node, symbolFlags, symbolExcludes) { - var hasExportModifier = ts.getCombinedModifierFlags(node) & 1; - if (symbolFlags & 8388608) { - if (node.kind === 239 || (node.kind === 230 && hasExportModifier)) { - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + function parseSemicolon() { + if (canParseSemicolon()) { + if (token() === 24) { + nextToken(); } + return true; } else { - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32)) { - var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | - (symbolFlags & 793064 ? 2097152 : 0) | - (symbolFlags & 1920 ? 4194304 : 0); - var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); - local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - node.localSymbol = local; - return local; - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } + return parseExpected(24); } } - function bindContainer(node, containerFlags) { - var saveContainer = container; - var savedBlockScopeContainer = blockScopeContainer; - if (containerFlags & 1) { - container = blockScopeContainer = node; - if (containerFlags & 32) { - container.locals = ts.createMap(); - } - addToContainerChain(container); - } - else if (containerFlags & 2) { - blockScopeContainer = node; - blockScopeContainer.locals = undefined; + function createNode(kind, pos) { + nodeCount++; + if (!(pos >= 0)) { + pos = scanner.getStartPos(); } - if (containerFlags & 4) { - var saveCurrentFlow = currentFlow; - var saveBreakTarget = currentBreakTarget; - var saveContinueTarget = currentContinueTarget; - var saveReturnTarget = currentReturnTarget; - var saveActiveLabels = activeLabels; - var saveHasExplicitReturn = hasExplicitReturn; - var isIIFE = containerFlags & 16 && !!ts.getImmediatelyInvokedFunctionExpression(node); - if (isIIFE) { - currentReturnTarget = createBranchLabel(); - } - else { - currentFlow = { flags: 2 }; - if (containerFlags & (16 | 128)) { - currentFlow.container = node; - } - currentReturnTarget = undefined; - } - currentBreakTarget = undefined; - currentContinueTarget = undefined; - activeLabels = undefined; - hasExplicitReturn = false; - bindChildren(node); - node.flags &= ~32128; - if (!(currentFlow.flags & 1) && containerFlags & 8 && ts.nodeIsPresent(node.body)) { - node.flags |= 128; - if (hasExplicitReturn) - node.flags |= 256; - } - if (node.kind === 256) { - node.flags |= emitFlags; - } - if (isIIFE) { - addAntecedent(currentReturnTarget, currentFlow); - currentFlow = finishFlowLabel(currentReturnTarget); - } - else { - currentFlow = saveCurrentFlow; - } - currentBreakTarget = saveBreakTarget; - currentContinueTarget = saveContinueTarget; - currentReturnTarget = saveReturnTarget; - activeLabels = saveActiveLabels; - hasExplicitReturn = saveHasExplicitReturn; + return kind >= 140 ? new NodeConstructor(kind, pos, pos) : + kind === 70 ? new IdentifierConstructor(kind, pos, pos) : + new TokenConstructor(kind, pos, pos); + } + function createNodeArray(elements, pos) { + var array = (elements || []); + if (!(pos >= 0)) { + pos = getNodePos(); } - else if (containerFlags & 64) { - seenThisKeyword = false; - bindChildren(node); - node.flags = seenThisKeyword ? node.flags | 64 : node.flags & ~64; + array.pos = pos; + array.end = pos; + return array; + } + function finishNode(node, end) { + node.end = end === undefined ? scanner.getStartPos() : end; + if (contextFlags) { + node.flags |= contextFlags; } - else { - bindChildren(node); + if (parseErrorBeforeNextFinishedNode) { + parseErrorBeforeNextFinishedNode = false; + node.flags |= 524288; } - container = saveContainer; - blockScopeContainer = savedBlockScopeContainer; + return node; } - function bindChildren(node) { - if (skipTransformFlagAggregation) { - bindChildrenWorker(node); - } - else if (node.transformFlags & 536870912) { - skipTransformFlagAggregation = true; - bindChildrenWorker(node); - skipTransformFlagAggregation = false; + function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { + if (reportAtCurrentPosition) { + parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); } else { - var savedSubtreeTransformFlags = subtreeTransformFlags; - subtreeTransformFlags = 0; - bindChildrenWorker(node); - subtreeTransformFlags = savedSubtreeTransformFlags | computeTransformFlagsForNode(node, subtreeTransformFlags); + parseErrorAtCurrentToken(diagnosticMessage, arg0); } + var result = createNode(kind, scanner.getStartPos()); + result.text = ""; + return finishNode(result); } - function bindChildrenWorker(node) { - if (ts.isInJavaScriptFile(node) && node.jsDocComments) { - ts.forEach(node.jsDocComments, bind); + function internIdentifier(text) { + text = ts.escapeIdentifier(text); + return identifiers[text] || (identifiers[text] = text); + } + function createIdentifier(isIdentifier, diagnosticMessage) { + identifierCount++; + if (isIdentifier) { + var node = createNode(70); + if (token() !== 70) { + node.originalKeywordKind = token(); + } + node.text = internIdentifier(scanner.getTokenValue()); + nextToken(); + return finishNode(node); } - if (checkUnreachable(node)) { - ts.forEachChild(node, bind); - return; + return createMissingNode(70, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + } + function parseIdentifier(diagnosticMessage) { + return createIdentifier(isIdentifier(), diagnosticMessage); + } + function parseIdentifierName() { + return createIdentifier(ts.tokenIsIdentifierOrKeyword(token())); + } + function isLiteralPropertyName() { + return ts.tokenIsIdentifierOrKeyword(token()) || + token() === 9 || + token() === 8; + } + function parsePropertyNameWorker(allowComputedPropertyNames) { + if (token() === 9 || token() === 8) { + return parseLiteralNode(true); } - switch (node.kind) { - case 206: - bindWhileStatement(node); - break; - case 205: - bindDoStatement(node); - break; - case 207: - bindForStatement(node); - break; - case 208: - case 209: - bindForInOrForOfStatement(node); - break; - case 204: - bindIfStatement(node); - break; - case 212: - case 216: - bindReturnOrThrow(node); - break; - case 211: - case 210: - bindBreakOrContinueStatement(node); - break; - case 217: - bindTryStatement(node); - break; - case 214: - bindSwitchStatement(node); - break; - case 228: - bindCaseBlock(node); - break; - case 249: - bindCaseClause(node); - break; - case 215: - bindLabeledStatement(node); - break; - case 186: - bindPrefixUnaryExpressionFlow(node); - break; - case 187: - bindPostfixUnaryExpressionFlow(node); - break; - case 188: - bindBinaryExpressionFlow(node); - break; - case 182: - bindDeleteExpressionFlow(node); - break; - case 189: - bindConditionalExpressionFlow(node); - break; - case 219: - bindVariableDeclarationFlow(node); - break; - case 175: - bindCallExpressionFlow(node); - break; - default: - ts.forEachChild(node, bind); - break; + if (allowComputedPropertyNames && token() === 20) { + return parseComputedPropertyName(); } + return parseIdentifierName(); } - function isNarrowingExpression(expr) { - switch (expr.kind) { - case 70: - case 98: - case 173: - return isNarrowableReference(expr); - case 175: - return hasNarrowableArgument(expr); - case 179: - return isNarrowingExpression(expr.expression); - case 188: - return isNarrowingBinaryExpression(expr); - case 186: - return expr.operator === 50 && isNarrowingExpression(expr.operand); - } - return false; + function parsePropertyName() { + return parsePropertyNameWorker(true); } - function isNarrowableReference(expr) { - return expr.kind === 70 || - expr.kind === 98 || - expr.kind === 173 && isNarrowableReference(expr.expression); + function parseSimplePropertyName() { + return parsePropertyNameWorker(false); } - function hasNarrowableArgument(expr) { - if (expr.arguments) { - for (var _i = 0, _a = expr.arguments; _i < _a.length; _i++) { - var argument = _a[_i]; - if (isNarrowableReference(argument)) { - return true; - } + function isSimplePropertyName() { + return token() === 9 || token() === 8 || ts.tokenIsIdentifierOrKeyword(token()); + } + function parseComputedPropertyName() { + var node = createNode(141); + parseExpected(20); + node.expression = allowInAnd(parseExpression); + parseExpected(21); + return finishNode(node); + } + function parseContextualModifier(t) { + return token() === t && tryParse(nextTokenCanFollowModifier); + } + function nextTokenIsOnSameLineAndCanFollowModifier() { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + return canFollowModifier(); + } + function nextTokenCanFollowModifier() { + if (token() === 75) { + return nextToken() === 82; + } + if (token() === 83) { + nextToken(); + if (token() === 78) { + return lookAhead(nextTokenIsClassOrFunctionOrAsync); } + return token() !== 38 && token() !== 117 && token() !== 16 && canFollowModifier(); } - if (expr.expression.kind === 173 && - isNarrowableReference(expr.expression.expression)) { - return true; + if (token() === 78) { + return nextTokenIsClassOrFunctionOrAsync(); } - return false; + if (token() === 114) { + nextToken(); + return canFollowModifier(); + } + return nextTokenIsOnSameLineAndCanFollowModifier(); } - function isNarrowingTypeofOperands(expr1, expr2) { - return expr1.kind === 183 && isNarrowableOperand(expr1.expression) && expr2.kind === 9; + function parseAnyContextualModifier() { + return ts.isModifierKind(token()) && tryParse(nextTokenCanFollowModifier); } - function isNarrowingBinaryExpression(expr) { - switch (expr.operatorToken.kind) { - case 57: - return isNarrowableReference(expr.left); - case 31: - case 32: - case 33: - case 34: - return isNarrowableOperand(expr.left) || isNarrowableOperand(expr.right) || - isNarrowingTypeofOperands(expr.right, expr.left) || isNarrowingTypeofOperands(expr.left, expr.right); - case 92: - return isNarrowableOperand(expr.left); - case 25: - return isNarrowingExpression(expr.right); - } - return false; + function canFollowModifier() { + return token() === 20 + || token() === 16 + || token() === 38 + || token() === 23 + || isLiteralPropertyName(); } - function isNarrowableOperand(expr) { - switch (expr.kind) { - case 179: - return isNarrowableOperand(expr.expression); - case 188: - switch (expr.operatorToken.kind) { - case 57: - return isNarrowableOperand(expr.left); - case 25: - return isNarrowableOperand(expr.right); + function nextTokenIsClassOrFunctionOrAsync() { + nextToken(); + return token() === 74 || token() === 88 || + (token() === 119 && lookAhead(nextTokenIsFunctionKeywordOnSameLine)); + } + function isListElement(parsingContext, inErrorRecovery) { + var node = currentNode(parsingContext); + if (node) { + return true; + } + switch (parsingContext) { + case 0: + case 1: + case 3: + return !(token() === 24 && inErrorRecovery) && isStartOfStatement(); + case 2: + return token() === 72 || token() === 78; + case 4: + return lookAhead(isTypeMemberStart); + case 5: + return lookAhead(isClassMemberStart) || (token() === 24 && !inErrorRecovery); + case 6: + return token() === 20 || isLiteralPropertyName(); + case 12: + return token() === 20 || token() === 38 || isLiteralPropertyName(); + case 9: + return token() === 20 || isLiteralPropertyName(); + case 7: + if (token() === 16) { + return lookAhead(isValidHeritageClauseObjectLiteral); + } + if (!inErrorRecovery) { + return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); } + else { + return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + case 8: + return isIdentifierOrPattern(); + case 10: + return token() === 25 || token() === 23 || isIdentifierOrPattern(); + case 17: + return isIdentifier(); + case 11: + case 15: + return token() === 25 || token() === 23 || isStartOfExpression(); + case 16: + return isStartOfParameter(); + case 18: + case 19: + return token() === 25 || isStartOfType(); + case 20: + return isHeritageClause(); + case 21: + return ts.tokenIsIdentifierOrKeyword(token()); + case 13: + return ts.tokenIsIdentifierOrKeyword(token()) || token() === 16; + case 14: + return true; + case 22: + case 23: + case 25: + return JSDocParser.isJSDocType(); + case 24: + return isSimplePropertyName(); } - return isNarrowableReference(expr); + ts.Debug.fail("Non-exhaustive case in 'isListElement'."); } - function createBranchLabel() { - return { - flags: 4, - antecedents: undefined - }; + function isValidHeritageClauseObjectLiteral() { + ts.Debug.assert(token() === 16); + if (nextToken() === 17) { + var next = nextToken(); + return next === 25 || next === 16 || next === 84 || next === 107; + } + return true; } - function createLoopLabel() { - return { - flags: 8, - antecedents: undefined - }; + function nextTokenIsIdentifier() { + nextToken(); + return isIdentifier(); } - function setFlowNodeReferenced(flow) { - flow.flags |= flow.flags & 512 ? 1024 : 512; + function nextTokenIsIdentifierOrKeyword() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token()); } - function addAntecedent(label, antecedent) { - if (!(antecedent.flags & 1) && !ts.contains(label.antecedents, antecedent)) { - (label.antecedents || (label.antecedents = [])).push(antecedent); - setFlowNodeReferenced(antecedent); + function isHeritageClauseExtendsOrImplementsKeyword() { + if (token() === 107 || + token() === 84) { + return lookAhead(nextTokenIsStartOfExpression); } + return false; } - function createFlowCondition(flags, antecedent, expression) { - if (antecedent.flags & 1) { - return antecedent; - } - if (!expression) { - return flags & 32 ? antecedent : unreachableFlow; - } - if (expression.kind === 100 && flags & 64 || - expression.kind === 85 && flags & 32) { - return unreachableFlow; + function nextTokenIsStartOfExpression() { + nextToken(); + return isStartOfExpression(); + } + function isListTerminator(kind) { + if (token() === 1) { + return true; } - if (!isNarrowingExpression(expression)) { - return antecedent; + switch (kind) { + case 1: + case 2: + case 4: + case 5: + case 6: + case 12: + case 9: + case 21: + return token() === 17; + case 3: + return token() === 17 || token() === 72 || token() === 78; + case 7: + return token() === 16 || token() === 84 || token() === 107; + case 8: + return isVariableDeclaratorListTerminator(); + case 17: + return token() === 28 || token() === 18 || token() === 16 || token() === 84 || token() === 107; + case 11: + return token() === 19 || token() === 24; + case 15: + case 19: + case 10: + return token() === 21; + case 16: + return token() === 19 || token() === 21; + case 18: + return token() !== 25; + case 20: + return token() === 16 || token() === 17; + case 13: + return token() === 28 || token() === 40; + case 14: + return token() === 26 && lookAhead(nextTokenIsSlash); + case 22: + return token() === 19 || token() === 55 || token() === 17; + case 23: + return token() === 28 || token() === 17; + case 25: + return token() === 21 || token() === 17; + case 24: + return token() === 17; } - setFlowNodeReferenced(antecedent); - return { - flags: flags, - expression: expression, - antecedent: antecedent - }; } - function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) { - if (!isNarrowingExpression(switchStatement.expression)) { - return antecedent; + function isVariableDeclaratorListTerminator() { + if (canParseSemicolon()) { + return true; } - setFlowNodeReferenced(antecedent); - return { - flags: 128, - switchStatement: switchStatement, - clauseStart: clauseStart, - clauseEnd: clauseEnd, - antecedent: antecedent - }; - } - function createFlowAssignment(antecedent, node) { - setFlowNodeReferenced(antecedent); - return { - flags: 16, - antecedent: antecedent, - node: node - }; - } - function createFlowArrayMutation(antecedent, node) { - setFlowNodeReferenced(antecedent); - return { - flags: 256, - antecedent: antecedent, - node: node - }; - } - function finishFlowLabel(flow) { - var antecedents = flow.antecedents; - if (!antecedents) { - return unreachableFlow; + if (isInOrOfKeyword(token())) { + return true; } - if (antecedents.length === 1) { - return antecedents[0]; + if (token() === 35) { + return true; } - return flow; + return false; } - function isStatementCondition(node) { - var parent = node.parent; - switch (parent.kind) { - case 204: - case 206: - case 205: - return parent.expression === node; - case 207: - case 189: - return parent.condition === node; + function isInSomeParsingContext() { + for (var kind = 0; kind < 26; kind++) { + if (parsingContext & (1 << kind)) { + if (isListElement(kind, true) || isListTerminator(kind)) { + return true; + } + } } return false; } - function isLogicalExpression(node) { - while (true) { - if (node.kind === 179) { - node = node.expression; - } - else if (node.kind === 186 && node.operator === 50) { - node = node.operand; + function parseList(kind, parseElement) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = createNodeArray(); + while (!isListTerminator(kind)) { + if (isListElement(kind, false)) { + var element = parseListElement(kind, parseElement); + result.push(element); + continue; } - else { - return node.kind === 188 && (node.operatorToken.kind === 52 || - node.operatorToken.kind === 53); + if (abortParsingListOrMoveToNextToken(kind)) { + break; } } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; } - function isTopLevelLogicalExpression(node) { - while (node.parent.kind === 179 || - node.parent.kind === 186 && - node.parent.operator === 50) { - node = node.parent; + function parseListElement(parsingContext, parseElement) { + var node = currentNode(parsingContext); + if (node) { + return consumeNode(node); } - return !isStatementCondition(node) && !isLogicalExpression(node.parent); + return parseElement(); } - function bindCondition(node, trueTarget, falseTarget) { - var saveTrueTarget = currentTrueTarget; - var saveFalseTarget = currentFalseTarget; - currentTrueTarget = trueTarget; - currentFalseTarget = falseTarget; - bind(node); - currentTrueTarget = saveTrueTarget; - currentFalseTarget = saveFalseTarget; - if (!node || !isLogicalExpression(node)) { - addAntecedent(trueTarget, createFlowCondition(32, currentFlow, node)); - addAntecedent(falseTarget, createFlowCondition(64, currentFlow, node)); + function currentNode(parsingContext) { + if (parseErrorBeforeNextFinishedNode) { + return undefined; } + if (!syntaxCursor) { + return undefined; + } + var node = syntaxCursor.currentNode(scanner.getStartPos()); + if (ts.nodeIsMissing(node)) { + return undefined; + } + if (node.intersectsChange) { + return undefined; + } + if (ts.containsParseError(node)) { + return undefined; + } + var nodeContextFlags = node.flags & 1540096; + if (nodeContextFlags !== contextFlags) { + return undefined; + } + if (!canReuseNode(node, parsingContext)) { + return undefined; + } + return node; } - function bindIterativeStatement(node, breakTarget, continueTarget) { - var saveBreakTarget = currentBreakTarget; - var saveContinueTarget = currentContinueTarget; - currentBreakTarget = breakTarget; - currentContinueTarget = continueTarget; - bind(node); - currentBreakTarget = saveBreakTarget; - currentContinueTarget = saveContinueTarget; - } - function bindWhileStatement(node) { - var preWhileLabel = createLoopLabel(); - var preBodyLabel = createBranchLabel(); - var postWhileLabel = createBranchLabel(); - addAntecedent(preWhileLabel, currentFlow); - currentFlow = preWhileLabel; - bindCondition(node.expression, preBodyLabel, postWhileLabel); - currentFlow = finishFlowLabel(preBodyLabel); - bindIterativeStatement(node.statement, postWhileLabel, preWhileLabel); - addAntecedent(preWhileLabel, currentFlow); - currentFlow = finishFlowLabel(postWhileLabel); - } - function bindDoStatement(node) { - var preDoLabel = createLoopLabel(); - var preConditionLabel = createBranchLabel(); - var postDoLabel = createBranchLabel(); - addAntecedent(preDoLabel, currentFlow); - currentFlow = preDoLabel; - bindIterativeStatement(node.statement, postDoLabel, preConditionLabel); - addAntecedent(preConditionLabel, currentFlow); - currentFlow = finishFlowLabel(preConditionLabel); - bindCondition(node.expression, preDoLabel, postDoLabel); - currentFlow = finishFlowLabel(postDoLabel); + function consumeNode(node) { + scanner.setTextPos(node.end); + nextToken(); + return node; } - function bindForStatement(node) { - var preLoopLabel = createLoopLabel(); - var preBodyLabel = createBranchLabel(); - var postLoopLabel = createBranchLabel(); - bind(node.initializer); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = preLoopLabel; - bindCondition(node.condition, preBodyLabel, postLoopLabel); - currentFlow = finishFlowLabel(preBodyLabel); - bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); - bind(node.incrementor); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = finishFlowLabel(postLoopLabel); + function canReuseNode(node, parsingContext) { + switch (parsingContext) { + case 5: + return isReusableClassMember(node); + case 2: + return isReusableSwitchClause(node); + case 0: + case 1: + case 3: + return isReusableStatement(node); + case 6: + return isReusableEnumMember(node); + case 4: + return isReusableTypeMember(node); + case 8: + return isReusableVariableDeclaration(node); + case 16: + return isReusableParameter(node); + case 20: + case 17: + case 19: + case 18: + case 11: + case 12: + case 7: + case 13: + case 14: + } + return false; } - function bindForInOrForOfStatement(node) { - var preLoopLabel = createLoopLabel(); - var postLoopLabel = createBranchLabel(); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = preLoopLabel; - bind(node.expression); - addAntecedent(postLoopLabel, currentFlow); - bind(node.initializer); - if (node.initializer.kind !== 220) { - bindAssignmentTargetFlow(node.initializer); + function isReusableClassMember(node) { + if (node) { + switch (node.kind) { + case 149: + case 154: + case 150: + case 151: + case 146: + case 199: + return true; + case 148: + var methodDeclaration = node; + var nameIsConstructor = methodDeclaration.name.kind === 70 && + methodDeclaration.name.originalKeywordKind === 122; + return !nameIsConstructor; + } } - bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); - addAntecedent(preLoopLabel, currentFlow); - currentFlow = finishFlowLabel(postLoopLabel); + return false; } - function bindIfStatement(node) { - var thenLabel = createBranchLabel(); - var elseLabel = createBranchLabel(); - var postIfLabel = createBranchLabel(); - bindCondition(node.expression, thenLabel, elseLabel); - currentFlow = finishFlowLabel(thenLabel); - bind(node.thenStatement); - addAntecedent(postIfLabel, currentFlow); - currentFlow = finishFlowLabel(elseLabel); - bind(node.elseStatement); - addAntecedent(postIfLabel, currentFlow); - currentFlow = finishFlowLabel(postIfLabel); + function isReusableSwitchClause(node) { + if (node) { + switch (node.kind) { + case 249: + case 250: + return true; + } + } + return false; } - function bindReturnOrThrow(node) { - bind(node.expression); - if (node.kind === 212) { - hasExplicitReturn = true; - if (currentReturnTarget) { - addAntecedent(currentReturnTarget, currentFlow); + function isReusableStatement(node) { + if (node) { + switch (node.kind) { + case 221: + case 201: + case 200: + case 204: + case 203: + case 216: + case 212: + case 214: + case 211: + case 210: + case 208: + case 209: + case 207: + case 206: + case 213: + case 202: + case 217: + case 215: + case 205: + case 218: + case 231: + case 230: + case 237: + case 236: + case 226: + case 222: + case 223: + case 225: + case 224: + return true; } } - currentFlow = unreachableFlow; + return false; } - function findActiveLabel(name) { - if (activeLabels) { - for (var _i = 0, activeLabels_1 = activeLabels; _i < activeLabels_1.length; _i++) { - var label = activeLabels_1[_i]; - if (label.name === name) { - return label; - } + function isReusableEnumMember(node) { + return node.kind === 255; + } + function isReusableTypeMember(node) { + if (node) { + switch (node.kind) { + case 153: + case 147: + case 154: + case 145: + case 152: + return true; } } - return undefined; + return false; } - function bindbreakOrContinueFlow(node, breakTarget, continueTarget) { - var flowLabel = node.kind === 211 ? breakTarget : continueTarget; - if (flowLabel) { - addAntecedent(flowLabel, currentFlow); - currentFlow = unreachableFlow; + function isReusableVariableDeclaration(node) { + if (node.kind !== 219) { + return false; } + var variableDeclarator = node; + return variableDeclarator.initializer === undefined; } - function bindBreakOrContinueStatement(node) { - bind(node.label); - if (node.label) { - var activeLabel = findActiveLabel(node.label.text); - if (activeLabel) { - activeLabel.referenced = true; - bindbreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget); - } - } - else { - bindbreakOrContinueFlow(node, currentBreakTarget, currentContinueTarget); + function isReusableParameter(node) { + if (node.kind !== 143) { + return false; } + var parameter = node; + return parameter.initializer === undefined; } - function bindTryStatement(node) { - var preFinallyLabel = createBranchLabel(); - var preTryFlow = currentFlow; - bind(node.tryBlock); - addAntecedent(preFinallyLabel, currentFlow); - var flowAfterTry = currentFlow; - var flowAfterCatch = unreachableFlow; - if (node.catchClause) { - currentFlow = preTryFlow; - bind(node.catchClause); - addAntecedent(preFinallyLabel, currentFlow); - flowAfterCatch = currentFlow; - } - if (node.finallyBlock) { - addAntecedent(preFinallyLabel, preTryFlow); - currentFlow = finishFlowLabel(preFinallyLabel); - bind(node.finallyBlock); - if (!(currentFlow.flags & 1)) { - if ((flowAfterTry.flags & 1) && (flowAfterCatch.flags & 1)) { - currentFlow = flowAfterTry === reportedUnreachableFlow || flowAfterCatch === reportedUnreachableFlow - ? reportedUnreachableFlow - : unreachableFlow; - } - } - } - else { - currentFlow = finishFlowLabel(preFinallyLabel); + function abortParsingListOrMoveToNextToken(kind) { + parseErrorAtCurrentToken(parsingContextErrors(kind)); + if (isInSomeParsingContext()) { + return true; } + nextToken(); + return false; } - function bindSwitchStatement(node) { - var postSwitchLabel = createBranchLabel(); - bind(node.expression); - var saveBreakTarget = currentBreakTarget; - var savePreSwitchCaseFlow = preSwitchCaseFlow; - currentBreakTarget = postSwitchLabel; - preSwitchCaseFlow = currentFlow; - bind(node.caseBlock); - addAntecedent(postSwitchLabel, currentFlow); - var hasDefault = ts.forEach(node.caseBlock.clauses, function (c) { return c.kind === 250; }); - node.possiblyExhaustive = !hasDefault && !postSwitchLabel.antecedents; - if (!hasDefault) { - addAntecedent(postSwitchLabel, createFlowSwitchClause(preSwitchCaseFlow, node, 0, 0)); + function parsingContextErrors(context) { + switch (context) { + case 0: return ts.Diagnostics.Declaration_or_statement_expected; + case 1: return ts.Diagnostics.Declaration_or_statement_expected; + case 2: return ts.Diagnostics.case_or_default_expected; + case 3: return ts.Diagnostics.Statement_expected; + case 4: return ts.Diagnostics.Property_or_signature_expected; + case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; + case 6: return ts.Diagnostics.Enum_member_expected; + case 7: return ts.Diagnostics.Expression_expected; + case 8: return ts.Diagnostics.Variable_declaration_expected; + case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; + case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; + case 11: return ts.Diagnostics.Argument_expression_expected; + case 12: return ts.Diagnostics.Property_assignment_expected; + case 15: return ts.Diagnostics.Expression_or_comma_expected; + case 16: return ts.Diagnostics.Parameter_declaration_expected; + case 17: return ts.Diagnostics.Type_parameter_declaration_expected; + case 18: return ts.Diagnostics.Type_argument_expected; + case 19: return ts.Diagnostics.Type_expected; + case 20: return ts.Diagnostics.Unexpected_token_expected; + case 21: return ts.Diagnostics.Identifier_expected; + case 13: return ts.Diagnostics.Identifier_expected; + case 14: return ts.Diagnostics.Identifier_expected; + case 22: return ts.Diagnostics.Parameter_declaration_expected; + case 23: return ts.Diagnostics.Type_argument_expected; + case 25: return ts.Diagnostics.Type_expected; + case 24: return ts.Diagnostics.Property_assignment_expected; } - currentBreakTarget = saveBreakTarget; - preSwitchCaseFlow = savePreSwitchCaseFlow; - currentFlow = finishFlowLabel(postSwitchLabel); } - function bindCaseBlock(node) { - var clauses = node.clauses; - var fallthroughFlow = unreachableFlow; - for (var i = 0; i < clauses.length; i++) { - var clauseStart = i; - while (!clauses[i].statements.length && i + 1 < clauses.length) { - bind(clauses[i]); - i++; + ; + function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimiter) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = createNodeArray(); + var commaStart = -1; + while (true) { + if (isListElement(kind, false)) { + result.push(parseListElement(kind, parseElement)); + commaStart = scanner.getTokenPos(); + if (parseOptional(25)) { + continue; + } + commaStart = -1; + if (isListTerminator(kind)) { + break; + } + parseExpected(25); + if (considerSemicolonAsDelimiter && token() === 24 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + } + continue; } - var preCaseLabel = createBranchLabel(); - addAntecedent(preCaseLabel, createFlowSwitchClause(preSwitchCaseFlow, node.parent, clauseStart, i + 1)); - addAntecedent(preCaseLabel, fallthroughFlow); - currentFlow = finishFlowLabel(preCaseLabel); - var clause = clauses[i]; - bind(clause); - fallthroughFlow = currentFlow; - if (!(currentFlow.flags & 1) && i !== clauses.length - 1 && options.noFallthroughCasesInSwitch) { - errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); + if (isListTerminator(kind)) { + break; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; } } + if (commaStart >= 0) { + result.hasTrailingComma = true; + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; } - function bindCaseClause(node) { - var saveCurrentFlow = currentFlow; - currentFlow = preSwitchCaseFlow; - bind(node.expression); - currentFlow = saveCurrentFlow; - ts.forEach(node.statements, bind); - } - function pushActiveLabel(name, breakTarget, continueTarget) { - var activeLabel = { - name: name, - breakTarget: breakTarget, - continueTarget: continueTarget, - referenced: false - }; - (activeLabels || (activeLabels = [])).push(activeLabel); - return activeLabel; - } - function popActiveLabel() { - activeLabels.pop(); + function createMissingList() { + return createNodeArray(); } - function bindLabeledStatement(node) { - var preStatementLabel = createLoopLabel(); - var postStatementLabel = createBranchLabel(); - bind(node.label); - addAntecedent(preStatementLabel, currentFlow); - var activeLabel = pushActiveLabel(node.label.text, postStatementLabel, preStatementLabel); - bind(node.statement); - popActiveLabel(); - if (!activeLabel.referenced && !options.allowUnusedLabels) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.label, ts.Diagnostics.Unused_label)); + function parseBracketedList(kind, parseElement, open, close) { + if (parseExpected(open)) { + var result = parseDelimitedList(kind, parseElement); + parseExpected(close); + return result; } - addAntecedent(postStatementLabel, currentFlow); - currentFlow = finishFlowLabel(postStatementLabel); + return createMissingList(); } - function bindDestructuringTargetFlow(node) { - if (node.kind === 188 && node.operatorToken.kind === 57) { - bindAssignmentTargetFlow(node.left); - } - else { - bindAssignmentTargetFlow(node); + function parseEntityName(allowReservedWords, diagnosticMessage) { + var entity = parseIdentifier(diagnosticMessage); + while (parseOptional(22)) { + var node = createNode(140, entity.pos); + node.left = entity; + node.right = parseRightSideOfDot(allowReservedWords); + entity = finishNode(node); } + return entity; } - function bindAssignmentTargetFlow(node) { - if (isNarrowableReference(node)) { - currentFlow = createFlowAssignment(currentFlow, node); - } - else if (node.kind === 171) { - for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { - var e = _a[_i]; - if (e.kind === 192) { - bindAssignmentTargetFlow(e.expression); - } - else { - bindDestructuringTargetFlow(e); - } - } - } - else if (node.kind === 172) { - for (var _b = 0, _c = node.properties; _b < _c.length; _b++) { - var p = _c[_b]; - if (p.kind === 253) { - bindDestructuringTargetFlow(p.initializer); - } - else if (p.kind === 254) { - bindAssignmentTargetFlow(p.name); - } + function parseRightSideOfDot(allowIdentifierNames) { + if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) { + var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + if (matchesPattern) { + return createMissingNode(70, true, ts.Diagnostics.Identifier_expected); } } + return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); } - function bindLogicalExpression(node, trueTarget, falseTarget) { - var preRightLabel = createBranchLabel(); - if (node.operatorToken.kind === 52) { - bindCondition(node.left, preRightLabel, falseTarget); + function parseTemplateExpression() { + var template = createNode(190); + template.head = parseTemplateHead(); + ts.Debug.assert(template.head.kind === 13, "Template head has wrong token kind"); + var templateSpans = createNodeArray(); + do { + templateSpans.push(parseTemplateSpan()); + } while (ts.lastOrUndefined(templateSpans).literal.kind === 14); + templateSpans.end = getNodeEnd(); + template.templateSpans = templateSpans; + return finishNode(template); + } + function parseTemplateSpan() { + var span = createNode(198); + span.expression = allowInAnd(parseExpression); + var literal; + if (token() === 17) { + reScanTemplateToken(); + literal = parseTemplateMiddleOrTemplateTail(); } else { - bindCondition(node.left, trueTarget, preRightLabel); + literal = parseExpectedToken(15, false, ts.Diagnostics._0_expected, ts.tokenToString(17)); } - currentFlow = finishFlowLabel(preRightLabel); - bind(node.operatorToken); - bindCondition(node.right, trueTarget, falseTarget); + span.literal = literal; + return finishNode(span); } - function bindPrefixUnaryExpressionFlow(node) { - if (node.operator === 50) { - var saveTrueTarget = currentTrueTarget; - currentTrueTarget = currentFalseTarget; - currentFalseTarget = saveTrueTarget; - ts.forEachChild(node, bind); - currentFalseTarget = currentTrueTarget; - currentTrueTarget = saveTrueTarget; + function parseLiteralNode(internName) { + return parseLiteralLikeNode(token(), internName); + } + function parseTemplateHead() { + var fragment = parseLiteralLikeNode(token(), false); + ts.Debug.assert(fragment.kind === 13, "Template head has wrong token kind"); + return fragment; + } + function parseTemplateMiddleOrTemplateTail() { + var fragment = parseLiteralLikeNode(token(), false); + ts.Debug.assert(fragment.kind === 14 || fragment.kind === 15, "Template fragment has wrong token kind"); + return fragment; + } + function parseLiteralLikeNode(kind, internName) { + var node = createNode(kind); + var text = scanner.getTokenValue(); + node.text = internName ? internIdentifier(text) : text; + if (scanner.hasExtendedUnicodeEscape()) { + node.hasExtendedUnicodeEscape = true; } - else { - ts.forEachChild(node, bind); - if (node.operator === 42 || node.operator === 43) { - bindAssignmentTargetFlow(node.operand); - } + if (scanner.isUnterminated()) { + node.isUnterminated = true; + } + var tokenPos = scanner.getTokenPos(); + nextToken(); + finishNode(node); + if (node.kind === 8 + && sourceText.charCodeAt(tokenPos) === 48 + && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { + node.isOctalLiteral = true; } + return node; } - function bindPostfixUnaryExpressionFlow(node) { - ts.forEachChild(node, bind); - if (node.operator === 42 || node.operator === 43) { - bindAssignmentTargetFlow(node.operand); + function parseTypeReference() { + var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); + var node = createNode(156, typeName.pos); + node.typeName = typeName; + if (!scanner.hasPrecedingLineBreak() && token() === 26) { + node.typeArguments = parseBracketedList(18, parseType, 26, 28); } + return finishNode(node); } - function bindBinaryExpressionFlow(node) { - var operator = node.operatorToken.kind; - if (operator === 52 || operator === 53) { - if (isTopLevelLogicalExpression(node)) { - var postExpressionLabel = createBranchLabel(); - bindLogicalExpression(node, postExpressionLabel, postExpressionLabel); - currentFlow = finishFlowLabel(postExpressionLabel); + function parseThisTypePredicate(lhs) { + nextToken(); + var node = createNode(155, lhs.pos); + node.parameterName = lhs; + node.type = parseType(); + return finishNode(node); + } + function parseThisTypeNode() { + var node = createNode(166); + nextToken(); + return finishNode(node); + } + function parseTypeQuery() { + var node = createNode(159); + parseExpected(102); + node.exprName = parseEntityName(true); + return finishNode(node); + } + function parseTypeParameter() { + var node = createNode(142); + node.name = parseIdentifier(); + if (parseOptional(84)) { + if (isStartOfType() || !isStartOfExpression()) { + node.constraint = parseType(); } else { - bindLogicalExpression(node, currentTrueTarget, currentFalseTarget); - } - } - else { - ts.forEachChild(node, bind); - if (operator === 57 && !ts.isAssignmentTarget(node)) { - bindAssignmentTargetFlow(node.left); - if (node.left.kind === 174) { - var elementAccess = node.left; - if (isNarrowableOperand(elementAccess.expression)) { - currentFlow = createFlowArrayMutation(currentFlow, node); - } - } + node.expression = parseUnaryExpressionOrHigher(); } } + return finishNode(node); } - function bindDeleteExpressionFlow(node) { - ts.forEachChild(node, bind); - if (node.expression.kind === 173) { - bindAssignmentTargetFlow(node.expression); + function parseTypeParameters() { + if (token() === 26) { + return parseBracketedList(17, parseTypeParameter, 26, 28); } } - function bindConditionalExpressionFlow(node) { - var trueLabel = createBranchLabel(); - var falseLabel = createBranchLabel(); - var postExpressionLabel = createBranchLabel(); - bindCondition(node.condition, trueLabel, falseLabel); - currentFlow = finishFlowLabel(trueLabel); - bind(node.whenTrue); - addAntecedent(postExpressionLabel, currentFlow); - currentFlow = finishFlowLabel(falseLabel); - bind(node.whenFalse); - addAntecedent(postExpressionLabel, currentFlow); - currentFlow = finishFlowLabel(postExpressionLabel); - } - function bindInitializedVariableFlow(node) { - var name = !ts.isOmittedExpression(node) ? node.name : undefined; - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var child = _a[_i]; - bindInitializedVariableFlow(child); - } - } - else { - currentFlow = createFlowAssignment(currentFlow, node); + function parseParameterType() { + if (parseOptional(55)) { + return parseType(); } + return undefined; } - function bindVariableDeclarationFlow(node) { - ts.forEachChild(node, bind); - if (node.initializer || node.parent.parent.kind === 208 || node.parent.parent.kind === 209) { - bindInitializedVariableFlow(node); - } + function isStartOfParameter() { + return token() === 23 || isIdentifierOrPattern() || ts.isModifierKind(token()) || token() === 56 || token() === 98; } - function bindCallExpressionFlow(node) { - var expr = node.expression; - while (expr.kind === 179) { - expr = expr.expression; - } - if (expr.kind === 180 || expr.kind === 181) { - ts.forEach(node.typeArguments, bind); - ts.forEach(node.arguments, bind); - bind(node.expression); - } - else { - ts.forEachChild(node, bind); - } - if (node.expression.kind === 173) { - var propertyAccess = node.expression; - if (isNarrowableOperand(propertyAccess.expression) && ts.isPushOrUnshiftIdentifier(propertyAccess.name)) { - currentFlow = createFlowArrayMutation(currentFlow, node); - } + function parseParameter() { + var node = createNode(143); + if (token() === 98) { + node.name = createIdentifier(true, undefined); + node.type = parseParameterType(); + return finishNode(node); } - } - function getContainerFlags(node) { - switch (node.kind) { - case 193: - case 222: - case 225: - case 172: - case 160: - case 281: - case 265: - return 1; - case 223: - return 1 | 64; - case 269: - case 226: - case 224: - return 1 | 32; - case 256: - return 1 | 4 | 32; - case 148: - if (ts.isObjectLiteralOrClassExpressionMethod(node)) { - return 1 | 4 | 32 | 8 | 128; - } - case 149: - case 221: - case 147: - case 150: - case 151: - case 152: - case 153: - case 154: - case 157: - case 158: - return 1 | 4 | 32 | 8; - case 180: - case 181: - return 1 | 4 | 32 | 8 | 16; - case 227: - return 4; - case 146: - return node.initializer ? 4 : 0; - case 252: - case 207: - case 208: - case 209: - case 228: - return 2; - case 200: - return ts.isFunctionLike(node.parent) ? 0 : 2; + node.decorators = parseDecorators(); + node.modifiers = parseModifiers(); + node.dotDotDotToken = parseOptionalToken(23); + node.name = parseIdentifierOrPattern(); + if (ts.getFullWidth(node.name) === 0 && !ts.hasModifiers(node) && ts.isModifierKind(token())) { + nextToken(); } - return 0; + node.questionToken = parseOptionalToken(54); + node.type = parseParameterType(); + node.initializer = parseBindingElementInitializer(true); + return addJSDocComment(finishNode(node)); } - function addToContainerChain(next) { - if (lastContainer) { - lastContainer.nextContainer = next; - } - lastContainer = next; + function parseBindingElementInitializer(inParameter) { + return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); } - function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { - return declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); + function parseParameterInitializer() { + return parseInitializer(true); } - function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { - switch (container.kind) { - case 226: - return declareModuleMember(node, symbolFlags, symbolExcludes); - case 256: - return declareSourceFileMember(node, symbolFlags, symbolExcludes); - case 193: - case 222: - return declareClassMember(node, symbolFlags, symbolExcludes); - case 225: - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - case 160: - case 172: - case 223: - case 265: - case 281: - return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - case 157: - case 158: - case 152: - case 153: - case 154: - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 180: - case 181: - case 269: - case 224: - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { + var returnTokenRequired = returnToken === 35; + signature.typeParameters = parseTypeParameters(); + signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); + if (returnTokenRequired) { + parseExpected(returnToken); + signature.type = parseTypeOrTypePredicate(); + } + else if (parseOptional(returnToken)) { + signature.type = parseTypeOrTypePredicate(); } } - function declareClassMember(node, symbolFlags, symbolExcludes) { - return ts.hasModifier(node, 32) - ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) - : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - } - function declareSourceFileMember(node, symbolFlags, symbolExcludes) { - return ts.isExternalModule(file) - ? declareModuleMember(node, symbolFlags, symbolExcludes) - : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); - } - function hasExportDeclarations(node) { - var body = node.kind === 256 ? node : node.body; - if (body && (body.kind === 256 || body.kind === 227)) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var stat = _a[_i]; - if (stat.kind === 237 || stat.kind === 236) { - return true; - } + function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { + if (parseExpected(18)) { + var savedYieldContext = inYieldContext(); + var savedAwaitContext = inAwaitContext(); + setYieldContext(yieldContext); + setAwaitContext(awaitContext); + var result = parseDelimitedList(16, parseParameter); + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + if (!parseExpected(19) && requireCompleteParameterList) { + return undefined; } + return result; } - return false; + return requireCompleteParameterList ? undefined : createMissingList(); } - function setExportContextFlag(node) { - if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { - node.flags |= 32; + function parseTypeMemberSemicolon() { + if (parseOptional(25)) { + return; } - else { - node.flags &= ~32; + parseSemicolon(); + } + function parseSignatureMember(kind) { + var node = createNode(kind); + if (kind === 153) { + parseExpected(93); } + fillSignature(55, false, false, false, node); + parseTypeMemberSemicolon(); + return addJSDocComment(finishNode(node)); } - function bindModuleDeclaration(node) { - setExportContextFlag(node); - if (ts.isAmbientModule(node)) { - if (ts.hasModifier(node, 1)) { - errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); - } - if (ts.isExternalModuleAugmentation(node)) { - declareSymbolAndAddToSymbolTable(node, 1024, 0); - } - else { - var pattern = void 0; - if (node.name.kind === 9) { - var text = node.name.text; - if (ts.hasZeroOrOneAsteriskCharacter(text)) { - pattern = ts.tryParsePattern(text); - } - else { - errorOnFirstToken(node.name, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, text); - } - } - var symbol = declareSymbolAndAddToSymbolTable(node, 512, 106639); - if (pattern) { - (file.patternAmbientModules || (file.patternAmbientModules = [])).push({ pattern: pattern, symbol: symbol }); - } + function isIndexSignature() { + if (token() !== 20) { + return false; + } + return lookAhead(isUnambiguouslyIndexSignature); + } + function isUnambiguouslyIndexSignature() { + nextToken(); + if (token() === 23 || token() === 21) { + return true; + } + if (ts.isModifierKind(token())) { + nextToken(); + if (isIdentifier()) { + return true; } } + else if (!isIdentifier()) { + return false; + } else { - var state = getModuleInstanceState(node); - if (state === 0) { - declareSymbolAndAddToSymbolTable(node, 1024, 0); - } - else { - declareSymbolAndAddToSymbolTable(node, 512, 106639); - if (node.symbol.flags & (16 | 32 | 256)) { - node.symbol.constEnumOnlyModule = false; - } - else { - var currentModuleIsConstEnumOnly = state === 2; - if (node.symbol.constEnumOnlyModule === undefined) { - node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; - } - else { - node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; - } - } - } + nextToken(); + } + if (token() === 55 || token() === 25) { + return true; + } + if (token() !== 54) { + return false; } + nextToken(); + return token() === 55 || token() === 25 || token() === 21; } - function bindFunctionOrConstructorType(node) { - var symbol = createSymbol(131072, getDeclarationName(node)); - addDeclarationToSymbol(symbol, node, 131072); - var typeLiteralSymbol = createSymbol(2048, "__type"); - addDeclarationToSymbol(typeLiteralSymbol, node, 2048); - typeLiteralSymbol.members = ts.createMap(); - typeLiteralSymbol.members[symbol.name] = symbol; + function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { + var node = createNode(154, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + node.parameters = parseBracketedList(16, parseParameter, 20, 21); + node.type = parseTypeAnnotation(); + parseTypeMemberSemicolon(); + return finishNode(node); } - function bindObjectLiteralExpression(node) { - var ElementKind; - (function (ElementKind) { - ElementKind[ElementKind["Property"] = 1] = "Property"; - ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; - })(ElementKind || (ElementKind = {})); - if (inStrictMode) { - var seen = ts.createMap(); - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - if (prop.name.kind !== 70) { - continue; - } - var identifier = prop.name; - var currentKind = prop.kind === 253 || prop.kind === 254 || prop.kind === 148 - ? 1 - : 2; - var existingKind = seen[identifier.text]; - if (!existingKind) { - seen[identifier.text] = currentKind; - continue; - } - if (currentKind === 1 && existingKind === 1) { - var span_1 = ts.getErrorSpanForNode(file, identifier); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_1.start, span_1.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); - } + function parsePropertyOrMethodSignature(fullStart, modifiers) { + var name = parsePropertyName(); + var questionToken = parseOptionalToken(54); + if (token() === 18 || token() === 26) { + var method = createNode(147, fullStart); + method.modifiers = modifiers; + method.name = name; + method.questionToken = questionToken; + fillSignature(55, false, false, false, method); + parseTypeMemberSemicolon(); + return addJSDocComment(finishNode(method)); + } + else { + var property = createNode(145, fullStart); + property.modifiers = modifiers; + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + if (token() === 57) { + property.initializer = parseNonParameterInitializer(); } + parseTypeMemberSemicolon(); + return addJSDocComment(finishNode(property)); } - return bindAnonymousDeclaration(node, 4096, "__object"); } - function bindAnonymousDeclaration(node, symbolFlags, name) { - var symbol = createSymbol(symbolFlags, name); - addDeclarationToSymbol(symbol, node, symbolFlags); + function isTypeMemberStart() { + var idToken; + if (token() === 18 || token() === 26) { + return true; + } + while (ts.isModifierKind(token())) { + idToken = token(); + nextToken(); + } + if (token() === 20) { + return true; + } + if (isLiteralPropertyName()) { + idToken = token(); + nextToken(); + } + if (idToken) { + return token() === 18 || + token() === 26 || + token() === 54 || + token() === 55 || + token() === 25 || + canParseSemicolon(); + } + return false; } - function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { - switch (blockScopeContainer.kind) { - case 226: - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - case 256: - if (ts.isExternalModule(container)) { - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - } - default: - if (!blockScopeContainer.locals) { - blockScopeContainer.locals = ts.createMap(); - addToContainerChain(blockScopeContainer); - } - declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + function parseTypeMember() { + if (token() === 18 || token() === 26) { + return parseSignatureMember(152); + } + if (token() === 93 && lookAhead(isStartOfConstructSignature)) { + return parseSignatureMember(153); + } + var fullStart = getNodePos(); + var modifiers = parseModifiers(); + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, undefined, modifiers); } + return parsePropertyOrMethodSignature(fullStart, modifiers); } - function bindBlockScopedVariableDeclaration(node) { - bindBlockScopedDeclaration(node, 2, 107455); + function isStartOfConstructSignature() { + nextToken(); + return token() === 18 || token() === 26; } - function checkStrictModeIdentifier(node) { - if (inStrictMode && - node.originalKeywordKind >= 107 && - node.originalKeywordKind <= 115 && - !ts.isIdentifierName(node) && - !ts.isInAmbientContext(node)) { - if (!file.parseDiagnostics.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); - } - } + function parseTypeLiteral() { + var node = createNode(160); + node.members = parseObjectTypeMembers(); + return finishNode(node); } - function getStrictModeIdentifierMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; + function parseObjectTypeMembers() { + var members; + if (parseExpected(16)) { + members = parseList(4, parseTypeMember); + parseExpected(17); } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; + else { + members = createMissingList(); } - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + return members; } - function checkStrictModeBinaryExpression(node) { - if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - checkStrictModeEvalOrArguments(node, node.left); - } + function parseTupleType() { + var node = createNode(162); + node.elementTypes = parseBracketedList(19, parseType, 20, 21); + return finishNode(node); } - function checkStrictModeCatchClause(node) { - if (inStrictMode && node.variableDeclaration) { - checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); - } + function parseParenthesizedType() { + var node = createNode(165); + parseExpected(18); + node.type = parseType(); + parseExpected(19); + return finishNode(node); } - function checkStrictModeDeleteExpression(node) { - if (inStrictMode && node.expression.kind === 70) { - var span_2 = ts.getErrorSpanForNode(file, node.expression); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_2.start, span_2.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); + function parseFunctionOrConstructorType(kind) { + var node = createNode(kind); + if (kind === 158) { + parseExpected(93); } + fillSignature(35, false, false, false, node); + return finishNode(node); } - function isEvalOrArgumentsIdentifier(node) { - return node.kind === 70 && - (node.text === "eval" || node.text === "arguments"); + function parseKeywordAndNoDot() { + var node = parseTokenNode(); + return token() === 22 ? undefined : node; } - function checkStrictModeEvalOrArguments(contextNode, name) { - if (name && name.kind === 70) { - var identifier = name; - if (isEvalOrArgumentsIdentifier(identifier)) { - var span_3 = ts.getErrorSpanForNode(file, name); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_3.start, span_3.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); + function parseLiteralTypeNode() { + var node = createNode(167); + node.literal = parseSimpleUnaryExpression(); + finishNode(node); + return node; + } + function nextTokenIsNumericLiteral() { + return nextToken() === 8; + } + function parseNonArrayType() { + switch (token()) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 136: + case 128: + var node = tryParse(parseKeywordAndNoDot); + return node || parseTypeReference(); + case 9: + case 8: + case 100: + case 85: + return parseLiteralTypeNode(); + case 37: + return lookAhead(nextTokenIsNumericLiteral) ? parseLiteralTypeNode() : parseTypeReference(); + case 104: + case 94: + return parseTokenNode(); + case 98: { + var thisKeyword = parseThisTypeNode(); + if (token() === 125 && !scanner.hasPrecedingLineBreak()) { + return parseThisTypePredicate(thisKeyword); + } + else { + return thisKeyword; + } } + case 102: + return parseTypeQuery(); + case 16: + return parseTypeLiteral(); + case 20: + return parseTupleType(); + case 18: + return parseParenthesizedType(); + default: + return parseTypeReference(); } } - function getStrictModeEvalOrArgumentsMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; + function isStartOfType() { + switch (token()) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 104: + case 136: + case 94: + case 98: + case 102: + case 128: + case 16: + case 20: + case 26: + case 93: + case 9: + case 8: + case 100: + case 85: + return true; + case 37: + return lookAhead(nextTokenIsNumericLiteral); + case 18: + return lookAhead(isStartOfParenthesizedOrFunctionType); + default: + return isIdentifier(); } - return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; } - function checkStrictModeFunctionName(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); + function isStartOfParenthesizedOrFunctionType() { + nextToken(); + return token() === 19 || isStartOfParameter() || isStartOfType(); + } + function parseArrayTypeOrHigher() { + var type = parseNonArrayType(); + while (!scanner.hasPrecedingLineBreak() && parseOptional(20)) { + parseExpected(21); + var node = createNode(161, type.pos); + node.elementType = type; + type = finishNode(node); } + return type; } - function getStrictModeBlockScopeFunctionDeclarationMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode; + function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { + var type = parseConstituentType(); + if (token() === operator) { + var types = createNodeArray([type], type.pos); + while (parseOptional(operator)) { + types.push(parseConstituentType()); + } + types.end = getNodeEnd(); + var node = createNode(kind, type.pos); + node.types = types; + type = finishNode(node); } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode; + return type; + } + function parseIntersectionTypeOrHigher() { + return parseUnionOrIntersectionType(164, parseArrayTypeOrHigher, 47); + } + function parseUnionTypeOrHigher() { + return parseUnionOrIntersectionType(163, parseIntersectionTypeOrHigher, 48); + } + function isStartOfFunctionType() { + if (token() === 26) { + return true; } - return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5; + return token() === 18 && lookAhead(isUnambiguouslyStartOfFunctionType); } - function checkStrictModeFunctionDeclaration(node) { - if (languageVersion < 2) { - if (blockScopeContainer.kind !== 256 && - blockScopeContainer.kind !== 226 && - !ts.isFunctionLike(blockScopeContainer)) { - var errorSpan = ts.getErrorSpanForNode(file, node); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, errorSpan.start, errorSpan.length, getStrictModeBlockScopeFunctionDeclarationMessage(node))); - } + function skipParameterStart() { + if (ts.isModifierKind(token())) { + parseModifiers(); + } + if (isIdentifier() || token() === 98) { + nextToken(); + return true; } - } - function checkStrictModeNumericLiteral(node) { - if (inStrictMode && node.isOctalLiteral) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); + if (token() === 20 || token() === 16) { + var previousErrorCount = parseDiagnostics.length; + parseIdentifierOrPattern(); + return previousErrorCount === parseDiagnostics.length; } + return false; } - function checkStrictModePostfixUnaryExpression(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.operand); + function isUnambiguouslyStartOfFunctionType() { + nextToken(); + if (token() === 19 || token() === 23) { + return true; } - } - function checkStrictModePrefixUnaryExpression(node) { - if (inStrictMode) { - if (node.operator === 42 || node.operator === 43) { - checkStrictModeEvalOrArguments(node, node.operand); + if (skipParameterStart()) { + if (token() === 55 || token() === 25 || + token() === 54 || token() === 57) { + return true; + } + if (token() === 19) { + nextToken(); + if (token() === 35) { + return true; + } } } + return false; } - function checkStrictModeWithStatement(node) { - if (inStrictMode) { - errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); + function parseTypeOrTypePredicate() { + var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); + var type = parseType(); + if (typePredicateVariable) { + var node = createNode(155, typePredicateVariable.pos); + node.parameterName = typePredicateVariable; + node.type = type; + return finishNode(node); + } + else { + return type; } } - function errorOnFirstToken(node, message, arg0, arg1, arg2) { - var span = ts.getSpanOfTokenAtPosition(file, node.pos); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + function parseTypePredicatePrefix() { + var id = parseIdentifier(); + if (token() === 125 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + return id; + } } - function getDestructuringParameterName(node) { - return "__" + ts.indexOf(node.parent.parameters, node); + function parseType() { + return doOutsideOfContext(327680, parseTypeWorker); } - function bind(node) { - if (!node) { - return; - } - node.parent = parent; - var saveInStrictMode = inStrictMode; - bindWorker(node); - if (node.kind > 139) { - var saveParent = parent; - parent = node; - var containerFlags = getContainerFlags(node); - if (containerFlags === 0) { - bindChildren(node); - } - else { - bindContainer(node, containerFlags); - } - parent = saveParent; - } - else if (!skipTransformFlagAggregation && (node.transformFlags & 536870912) === 0) { - subtreeTransformFlags |= computeTransformFlagsForNode(node, 0); + function parseTypeWorker() { + if (isStartOfFunctionType()) { + return parseFunctionOrConstructorType(157); } - inStrictMode = saveInStrictMode; - } - function updateStrictModeStatementList(statements) { - if (!inStrictMode) { - for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { - var statement = statements_1[_i]; - if (!ts.isPrologueDirective(statement)) { - return; - } - if (isUseStrictPrologueDirective(statement)) { - inStrictMode = true; - return; - } - } + if (token() === 93) { + return parseFunctionOrConstructorType(158); } + return parseUnionTypeOrHigher(); } - function isUseStrictPrologueDirective(node) { - var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); - return nodeText === '"use strict"' || nodeText === "'use strict'"; + function parseTypeAnnotation() { + return parseOptional(55) ? parseType() : undefined; } - function bindWorker(node) { - switch (node.kind) { - case 70: + function isStartOfLeftHandSideExpression() { + switch (token()) { case 98: - if (currentFlow && (ts.isExpression(node) || parent.kind === 254)) { - node.flowNode = currentFlow; - } - return checkStrictModeIdentifier(node); - case 173: - if (currentFlow && isNarrowableReference(node)) { - node.flowNode = currentFlow; - } - break; - case 188: - if (ts.isInJavaScriptFile(node)) { - var specialKind = ts.getSpecialPropertyAssignmentKind(node); - switch (specialKind) { - case 1: - bindExportsPropertyAssignment(node); - break; - case 2: - bindModuleExportsAssignment(node); - break; - case 3: - bindPrototypePropertyAssignment(node); - break; - case 4: - bindThisPropertyAssignment(node); - break; - case 0: - break; - default: - ts.Debug.fail("Unknown special property assignment kind"); - } - } - return checkStrictModeBinaryExpression(node); - case 252: - return checkStrictModeCatchClause(node); - case 182: - return checkStrictModeDeleteExpression(node); + case 96: + case 94: + case 100: + case 85: case 8: - return checkStrictModeNumericLiteral(node); - case 187: - return checkStrictModePostfixUnaryExpression(node); - case 186: - return checkStrictModePrefixUnaryExpression(node); - case 213: - return checkStrictModeWithStatement(node); - case 166: - seenThisKeyword = true; - return; - case 155: - return checkTypePredicate(node); - case 142: - return declareSymbolAndAddToSymbolTable(node, 262144, 530920); - case 143: - return bindParameter(node); - case 219: - case 170: - return bindVariableDeclarationOrBindingElement(node); - case 146: - case 145: - case 266: - return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 0); - case 280: - return bindJSDocProperty(node); - case 253: - case 254: - return bindPropertyOrMethodOrAccessor(node, 4, 0); - case 255: - return bindPropertyOrMethodOrAccessor(node, 8, 900095); - case 247: - emitFlags |= 16384; - return; - case 152: - case 153: - case 154: - return declareSymbolAndAddToSymbolTable(node, 131072, 0); - case 148: - case 147: - return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 0 : 99263); - case 221: - return bindFunctionDeclaration(node); - case 149: - return declareSymbolAndAddToSymbolTable(node, 16384, 0); - case 150: - return bindPropertyOrMethodOrAccessor(node, 32768, 41919); - case 151: - return bindPropertyOrMethodOrAccessor(node, 65536, 74687); - case 157: - case 158: - case 269: - return bindFunctionOrConstructorType(node); - case 160: - case 281: - case 265: - return bindAnonymousDeclaration(node, 2048, "__type"); - case 172: - return bindObjectLiteralExpression(node); - case 180: - case 181: - return bindFunctionExpression(node); - case 175: - if (ts.isInJavaScriptFile(node)) { - bindCallExpression(node); - } - break; - case 193: - case 222: - inStrictMode = true; - return bindClassLikeDeclaration(node); - case 223: - return bindBlockScopedDeclaration(node, 64, 792968); - case 279: - case 224: - return bindBlockScopedDeclaration(node, 524288, 793064); - case 225: - return bindEnumDeclaration(node); - case 226: - return bindModuleDeclaration(node); - case 230: - case 233: - case 235: - case 239: - return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); - case 229: - return bindNamespaceExportDeclaration(node); - case 232: - return bindImportClause(node); - case 237: - return bindExportDeclaration(node); - case 236: - return bindExportAssignment(node); - case 256: - updateStrictModeStatementList(node.statements); - return bindSourceFileIfExternalModule(); - case 200: - if (!ts.isFunctionLike(node.parent)) { - return; - } - case 227: - return updateStrictModeStatementList(node.statements); + case 9: + case 12: + case 13: + case 18: + case 20: + case 16: + case 88: + case 74: + case 93: + case 40: + case 62: + case 70: + return true; + default: + return isIdentifier(); } } - function checkTypePredicate(node) { - var parameterName = node.parameterName, type = node.type; - if (parameterName && parameterName.kind === 70) { - checkStrictModeIdentifier(parameterName); - } - if (parameterName && parameterName.kind === 166) { - seenThisKeyword = true; + function isStartOfExpression() { + if (isStartOfLeftHandSideExpression()) { + return true; } - bind(type); - } - function bindSourceFileIfExternalModule() { - setExportContextFlag(file); - if (ts.isExternalModule(file)) { - bindSourceFileAsExternalModule(); + switch (token()) { + case 36: + case 37: + case 51: + case 50: + case 79: + case 102: + case 104: + case 42: + case 43: + case 26: + case 120: + case 115: + return true; + default: + if (isBinaryOperator()) { + return true; + } + return isIdentifier(); } } - function bindSourceFileAsExternalModule() { - bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); + function isStartOfExpressionStatement() { + return token() !== 16 && + token() !== 88 && + token() !== 74 && + token() !== 56 && + isStartOfExpression(); } - function bindExportAssignment(node) { - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); - } - else { - var flags = node.kind === 236 && ts.exportAssignmentIsAlias(node) - ? 8388608 - : 4; - declareSymbol(container.symbol.exports, container.symbol, node, flags, 4 | 8388608 | 32 | 16); + function parseExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); } - } - function bindNamespaceExportDeclaration(node) { - if (node.modifiers && node.modifiers.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Modifiers_cannot_appear_here)); + var expr = parseAssignmentExpressionOrHigher(); + var operatorToken; + while ((operatorToken = parseOptionalToken(25))) { + expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); } - if (node.parent.kind !== 256) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_at_top_level)); - return; + if (saveDecoratorContext) { + setDecoratorContext(true); } - else { - var parent_7 = node.parent; - if (!ts.isExternalModule(parent_7)) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_module_files)); - return; - } - if (!parent_7.isDeclarationFile) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_declaration_files)); - return; + return expr; + } + function parseInitializer(inParameter) { + if (token() !== 57) { + if (scanner.hasPrecedingLineBreak() || (inParameter && token() === 16) || !isStartOfExpression()) { + return undefined; } } - file.symbol.globalExports = file.symbol.globalExports || ts.createMap(); - declareSymbol(file.symbol.globalExports, file.symbol, node, 8388608, 8388608); + parseExpected(57); + return parseAssignmentExpressionOrHigher(); } - function bindExportDeclaration(node) { - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); + function parseAssignmentExpressionOrHigher() { + if (isYieldExpression()) { + return parseYieldExpression(); } - else if (!node.exportClause) { - declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); + var arrowExpression = tryParseParenthesizedArrowFunctionExpression() || tryParseAsyncSimpleArrowFunctionExpression(); + if (arrowExpression) { + return arrowExpression; } - } - function bindImportClause(node) { - if (node.name) { - declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + var expr = parseBinaryExpressionOrHigher(0); + if (expr.kind === 70 && token() === 35) { + return parseSimpleArrowFunctionExpression(expr); + } + if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { + return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); } + return parseConditionalExpressionRest(expr); } - function setCommonJsModuleIndicator(node) { - if (!file.commonJsModuleIndicator) { - file.commonJsModuleIndicator = node; - if (!file.externalModuleIndicator) { - bindSourceFileAsExternalModule(); + function isYieldExpression() { + if (token() === 115) { + if (inYieldContext()) { + return true; } + return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); } + return false; } - function bindExportsPropertyAssignment(node) { - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); + function nextTokenIsIdentifierOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && isIdentifier(); } - function bindModuleExportsAssignment(node) { - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node, 4 | 7340032 | 512, 0); + function parseYieldExpression() { + var node = createNode(191); + nextToken(); + if (!scanner.hasPrecedingLineBreak() && + (token() === 38 || isStartOfExpression())) { + node.asteriskToken = parseOptionalToken(38); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + else { + return finishNode(node); + } } - function bindThisPropertyAssignment(node) { - ts.Debug.assert(ts.isInJavaScriptFile(node)); - if (container.kind === 221 || container.kind === 180) { - container.symbol.members = container.symbol.members || ts.createMap(); - declareSymbol(container.symbol.members, container.symbol, node, 4, 0 & ~4); + function parseSimpleArrowFunctionExpression(identifier, asyncModifier) { + ts.Debug.assert(token() === 35, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); + var node; + if (asyncModifier) { + node = createNode(181, asyncModifier.pos); + node.modifiers = asyncModifier; } - else if (container.kind === 149) { - var saveContainer = container; - container = container.parent; - var symbol = bindPropertyOrMethodOrAccessor(node, 4, 0); - if (symbol) { - symbol.isReplaceableByMethod = true; - } - container = saveContainer; + else { + node = createNode(181, identifier.pos); } + var parameter = createNode(143, identifier.pos); + parameter.name = identifier; + finishNode(parameter); + node.parameters = createNodeArray([parameter], parameter.pos); + node.parameters.end = parameter.end; + node.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); + node.body = parseArrowFunctionExpressionBody(!!asyncModifier); + return addJSDocComment(finishNode(node)); } - function bindPrototypePropertyAssignment(node) { - var leftSideOfAssignment = node.left; - var classPrototype = leftSideOfAssignment.expression; - var constructorFunction = classPrototype.expression; - leftSideOfAssignment.parent = node; - constructorFunction.parent = classPrototype; - classPrototype.parent = leftSideOfAssignment; - var funcSymbol = container.locals[constructorFunction.text]; - if (!funcSymbol || !(funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { - return; + function tryParseParenthesizedArrowFunctionExpression() { + var triState = isParenthesizedArrowFunctionExpression(); + if (triState === 0) { + return undefined; } - if (!funcSymbol.members) { - funcSymbol.members = ts.createMap(); + var arrowFunction = triState === 1 + ? parseParenthesizedArrowFunctionExpressionHead(true) + : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); + if (!arrowFunction) { + return undefined; } - declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 0); + var isAsync = !!(ts.getModifierFlags(arrowFunction) & 256); + var lastToken = token(); + arrowFunction.equalsGreaterThanToken = parseExpectedToken(35, false, ts.Diagnostics._0_expected, "=>"); + arrowFunction.body = (lastToken === 35 || lastToken === 16) + ? parseArrowFunctionExpressionBody(isAsync) + : parseIdentifier(); + return addJSDocComment(finishNode(arrowFunction)); } - function bindCallExpression(node) { - if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { - setCommonJsModuleIndicator(node); + function isParenthesizedArrowFunctionExpression() { + if (token() === 18 || token() === 26 || token() === 119) { + return lookAhead(isParenthesizedArrowFunctionExpressionWorker); + } + if (token() === 35) { + return 1; } + return 0; } - function bindClassLikeDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { - emitFlags |= 1024; + function isParenthesizedArrowFunctionExpressionWorker() { + if (token() === 119) { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return 0; + } + if (token() !== 18 && token() !== 26) { + return 0; + } + } + var first = token(); + var second = nextToken(); + if (first === 18) { + if (second === 19) { + var third = nextToken(); + switch (third) { + case 35: + case 55: + case 16: + return 1; + default: + return 0; + } + } + if (second === 20 || second === 16) { + return 2; + } + if (second === 23) { + return 1; + } + if (!isIdentifier()) { + return 0; } - if (ts.nodeIsDecorated(node)) { - emitFlags |= 2048; + if (nextToken() === 55) { + return 1; } - } - if (node.kind === 222) { - bindBlockScopedDeclaration(node, 32, 899519); + return 2; } else { - var bindingName = node.name ? node.name.text : "__class"; - bindAnonymousDeclaration(node, 32, bindingName); - if (node.name) { - classifiableNames[node.name.text] = node.name.text; + ts.Debug.assert(first === 26); + if (!isIdentifier()) { + return 0; } - } - var symbol = node.symbol; - var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); - if (symbol.exports[prototypeSymbol.name]) { - if (node.name) { - node.name.parent = node; + if (sourceFile.languageVariant === 1) { + var isArrowFunctionInJsx = lookAhead(function () { + var third = nextToken(); + if (third === 84) { + var fourth = nextToken(); + switch (fourth) { + case 57: + case 28: + return false; + default: + return true; + } + } + else if (third === 25) { + return true; + } + return false; + }); + if (isArrowFunctionInJsx) { + return 1; + } + return 0; } - file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + return 2; } - symbol.exports[prototypeSymbol.name] = prototypeSymbol; - prototypeSymbol.parent = symbol; } - function bindEnumDeclaration(node) { - return ts.isConst(node) - ? bindBlockScopedDeclaration(node, 128, 899967) - : bindBlockScopedDeclaration(node, 256, 899327); + function parsePossibleParenthesizedArrowFunctionExpressionHead() { + return parseParenthesizedArrowFunctionExpressionHead(false); } - function bindVariableDeclarationOrBindingElement(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (!ts.isBindingPattern(node.name)) { - if (ts.isBlockOrCatchScoped(node)) { - bindBlockScopedVariableDeclaration(node); - } - else if (ts.isParameterDeclaration(node)) { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107454); + function tryParseAsyncSimpleArrowFunctionExpression() { + if (token() === 119) { + var isUnParenthesizedAsyncArrowFunction = lookAhead(isUnParenthesizedAsyncArrowFunctionWorker); + if (isUnParenthesizedAsyncArrowFunction === 1) { + var asyncModifier = parseModifiersForArrowFunction(); + var expr = parseBinaryExpressionOrHigher(0); + return parseSimpleArrowFunctionExpression(expr, asyncModifier); } } + return undefined; } - function bindParameter(node) { - if (!ts.isDeclarationFile(file) && - !ts.isInAmbientContext(node) && - ts.nodeIsDecorated(node)) { - emitFlags |= (2048 | 4096); - } - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (ts.isBindingPattern(node.name)) { - bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - if (ts.isParameterPropertyDeclaration(node)) { - var classDeclaration = node.parent.parent; - declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 | (node.questionToken ? 536870912 : 0), 0); - } - } - function bindFunctionDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - emitFlags |= 8192; + function isUnParenthesizedAsyncArrowFunctionWorker() { + if (token() === 119) { + nextToken(); + if (scanner.hasPrecedingLineBreak() || token() === 35) { + return 0; + } + var expr = parseBinaryExpressionOrHigher(0); + if (!scanner.hasPrecedingLineBreak() && expr.kind === 70 && token() === 35) { + return 1; } } - checkStrictModeFunctionName(node); - if (inStrictMode) { - checkStrictModeFunctionDeclaration(node); - bindBlockScopedDeclaration(node, 16, 106927); + return 0; + } + function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { + var node = createNode(181); + node.modifiers = parseModifiersForArrowFunction(); + var isAsync = !!(ts.getModifierFlags(node) & 256); + fillSignature(55, false, isAsync, !allowAmbiguity, node); + if (!node.parameters) { + return undefined; } - else { - declareSymbolAndAddToSymbolTable(node, 16, 106927); + if (!allowAmbiguity && token() !== 35 && token() !== 16) { + return undefined; } + return node; } - function bindFunctionExpression(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - emitFlags |= 8192; - } + function parseArrowFunctionExpressionBody(isAsync) { + if (token() === 16) { + return parseFunctionBlock(false, isAsync, false); } - if (currentFlow) { - node.flowNode = currentFlow; + if (token() !== 24 && + token() !== 88 && + token() !== 74 && + isStartOfStatement() && + !isStartOfExpressionStatement()) { + return parseFunctionBlock(false, isAsync, true); } - checkStrictModeFunctionName(node); - var bindingName = node.name ? node.name.text : "__function"; - return bindAnonymousDeclaration(node, 16, bindingName); + return isAsync + ? doInAwaitContext(parseAssignmentExpressionOrHigher) + : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); } - function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - emitFlags |= 8192; - } - if (ts.nodeIsDecorated(node)) { - emitFlags |= 2048; - } - } - if (currentFlow && ts.isObjectLiteralOrClassExpressionMethod(node)) { - node.flowNode = currentFlow; + function parseConditionalExpressionRest(leftOperand) { + var questionToken = parseOptionalToken(54); + if (!questionToken) { + return leftOperand; } - return ts.hasDynamicName(node) - ? bindAnonymousDeclaration(node, symbolFlags, "__computed") - : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + var node = createNode(189, leftOperand.pos); + node.condition = leftOperand; + node.questionToken = questionToken; + node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); + node.colonToken = parseExpectedToken(55, false, ts.Diagnostics._0_expected, ts.tokenToString(55)); + node.whenFalse = parseAssignmentExpressionOrHigher(); + return finishNode(node); } - function bindJSDocProperty(node) { - return declareSymbolAndAddToSymbolTable(node, 4, 0); + function parseBinaryExpressionOrHigher(precedence) { + var leftOperand = parseUnaryExpressionOrHigher(); + return parseBinaryExpressionRest(precedence, leftOperand); } - function shouldReportErrorOnModuleDeclaration(node) { - var instanceState = getModuleInstanceState(node); - return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); + function isInOrOfKeyword(t) { + return t === 91 || t === 139; } - function checkUnreachable(node) { - if (!(currentFlow.flags & 1)) { - return false; - } - if (currentFlow === unreachableFlow) { - var reportError = (ts.isStatementButNotDeclaration(node) && node.kind !== 202) || - node.kind === 222 || - (node.kind === 226 && shouldReportErrorOnModuleDeclaration(node)) || - (node.kind === 225 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); - if (reportError) { - currentFlow = reportedUnreachableFlow; - var reportUnreachableCode = !options.allowUnreachableCode && - !ts.isInAmbientContext(node) && - (node.kind !== 201 || - ts.getCombinedNodeFlags(node.declarationList) & 3 || - ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); - if (reportUnreachableCode) { - errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + function parseBinaryExpressionRest(precedence, leftOperand) { + while (true) { + reScanGreaterToken(); + var newPrecedence = getBinaryOperatorPrecedence(); + var consumeCurrentOperator = token() === 39 ? + newPrecedence >= precedence : + newPrecedence > precedence; + if (!consumeCurrentOperator) { + break; + } + if (token() === 91 && inDisallowInContext()) { + break; + } + if (token() === 117) { + if (scanner.hasPrecedingLineBreak()) { + break; + } + else { + nextToken(); + leftOperand = makeAsExpression(leftOperand, parseType()); } } + else { + leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); + } } - return true; - } - } - function computeTransformFlagsForNode(node, subtreeFlags) { - var kind = node.kind; - switch (kind) { - case 175: - return computeCallExpression(node, subtreeFlags); - case 176: - return computeNewExpression(node, subtreeFlags); - case 226: - return computeModuleDeclaration(node, subtreeFlags); - case 179: - return computeParenthesizedExpression(node, subtreeFlags); - case 188: - return computeBinaryExpression(node, subtreeFlags); - case 203: - return computeExpressionStatement(node, subtreeFlags); - case 143: - return computeParameter(node, subtreeFlags); - case 181: - return computeArrowFunction(node, subtreeFlags); - case 180: - return computeFunctionExpression(node, subtreeFlags); - case 221: - return computeFunctionDeclaration(node, subtreeFlags); - case 219: - return computeVariableDeclaration(node, subtreeFlags); - case 220: - return computeVariableDeclarationList(node, subtreeFlags); - case 201: - return computeVariableStatement(node, subtreeFlags); - case 215: - return computeLabeledStatement(node, subtreeFlags); - case 222: - return computeClassDeclaration(node, subtreeFlags); - case 193: - return computeClassExpression(node, subtreeFlags); - case 251: - return computeHeritageClause(node, subtreeFlags); - case 195: - return computeExpressionWithTypeArguments(node, subtreeFlags); - case 149: - return computeConstructor(node, subtreeFlags); - case 146: - return computePropertyDeclaration(node, subtreeFlags); - case 148: - return computeMethod(node, subtreeFlags); - case 150: - case 151: - return computeAccessor(node, subtreeFlags); - case 230: - return computeImportEquals(node, subtreeFlags); - case 173: - return computePropertyAccess(node, subtreeFlags); - default: - return computeOther(node, kind, subtreeFlags); + return leftOperand; } - } - ts.computeTransformFlagsForNode = computeTransformFlagsForNode; - function computeCallExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var expression = node.expression; - var expressionKind = expression.kind; - if (node.typeArguments) { - transformFlags |= 3; + function isBinaryOperator() { + if (inDisallowInContext() && token() === 91) { + return false; + } + return getBinaryOperatorPrecedence() > 0; } - if (subtreeFlags & 1048576 - || isSuperOrSuperProperty(expression, expressionKind)) { - transformFlags |= 768; + function getBinaryOperatorPrecedence() { + switch (token()) { + case 53: + return 1; + case 52: + return 2; + case 48: + return 3; + case 49: + return 4; + case 47: + return 5; + case 31: + case 32: + case 33: + case 34: + return 6; + case 26: + case 28: + case 29: + case 30: + case 92: + case 91: + case 117: + return 7; + case 44: + case 45: + case 46: + return 8; + case 36: + case 37: + return 9; + case 38: + case 40: + case 41: + return 10; + case 39: + return 11; + } + return -1; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~537922901; - } - function isSuperOrSuperProperty(node, kind) { - switch (kind) { - case 96: - return true; - case 173: - case 174: - var expression = node.expression; - var expressionKind = expression.kind; - return expressionKind === 96; + function makeBinaryExpression(left, operatorToken, right) { + var node = createNode(188, left.pos); + node.left = left; + node.operatorToken = operatorToken; + node.right = right; + return finishNode(node); } - return false; - } - function computeNewExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (node.typeArguments) { - transformFlags |= 3; + function makeAsExpression(left, right) { + var node = createNode(196, left.pos); + node.expression = left; + node.type = right; + return finishNode(node); } - if (subtreeFlags & 1048576) { - transformFlags |= 768; + function parsePrefixUnaryExpression() { + var node = createNode(186); + node.operator = token(); + nextToken(); + node.operand = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~537922901; - } - function computeBinaryExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var operatorTokenKind = node.operatorToken.kind; - var leftKind = node.left.kind; - if (operatorTokenKind === 57 - && (leftKind === 172 - || leftKind === 171)) { - transformFlags |= 768 | 1024; + function parseDeleteExpression() { + var node = createNode(182); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - else if (operatorTokenKind === 39 - || operatorTokenKind === 61) { - transformFlags |= 192; + function parseTypeOfExpression() { + var node = createNode(183); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeParameter(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var modifierFlags = ts.getModifierFlags(node); - var name = node.name; - var initializer = node.initializer; - var dotDotDotToken = node.dotDotDotToken; - if (node.questionToken - || node.type - || subtreeFlags & 8192 - || ts.isThisIdentifier(name)) { - transformFlags |= 3; + function parseVoidExpression() { + var node = createNode(184); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - if (modifierFlags & 92) { - transformFlags |= 3 | 524288; + function isAwaitExpression() { + if (token() === 120) { + if (inAwaitContext()) { + return true; + } + return lookAhead(nextTokenIsIdentifierOnSameLine); + } + return false; } - if (subtreeFlags & 8388608 || initializer || dotDotDotToken) { - transformFlags |= 768 | 262144; + function parseAwaitExpression() { + var node = createNode(185); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~545262933; - } - function computeParenthesizedExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var expression = node.expression; - var expressionKind = expression.kind; - var expressionTransformFlags = expression.transformFlags; - if (expressionKind === 196 - || expressionKind === 178) { - transformFlags |= 3; + function parseUnaryExpressionOrHigher() { + if (isUpdateExpression()) { + var incrementExpression = parseIncrementExpression(); + return token() === 39 ? + parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : + incrementExpression; + } + var unaryOperator = token(); + var simpleUnaryExpression = parseSimpleUnaryExpression(); + if (token() === 39) { + var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); + if (simpleUnaryExpression.kind === 178) { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); + } + else { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); + } + } + return simpleUnaryExpression; } - if (expressionTransformFlags & 1024) { - transformFlags |= 1024; + function parseSimpleUnaryExpression() { + switch (token()) { + case 36: + case 37: + case 51: + case 50: + return parsePrefixUnaryExpression(); + case 79: + return parseDeleteExpression(); + case 102: + return parseTypeOfExpression(); + case 104: + return parseVoidExpression(); + case 26: + return parseTypeAssertion(); + case 120: + if (isAwaitExpression()) { + return parseAwaitExpression(); + } + default: + return parseIncrementExpression(); + } } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeClassDeclaration(node, subtreeFlags) { - var transformFlags; - var modifierFlags = ts.getModifierFlags(node); - if (modifierFlags & 2) { - transformFlags = 3; + function isUpdateExpression() { + switch (token()) { + case 36: + case 37: + case 51: + case 50: + case 79: + case 102: + case 104: + case 120: + return false; + case 26: + if (sourceFile.languageVariant !== 1) { + return false; + } + default: + return true; + } } - else { - transformFlags = subtreeFlags | 768; - if ((subtreeFlags & 548864) - || (modifierFlags & 1) - || node.typeParameters) { - transformFlags |= 3; + function parseIncrementExpression() { + if (token() === 42 || token() === 43) { + var node = createNode(186); + node.operator = token(); + nextToken(); + node.operand = parseLeftHandSideExpressionOrHigher(); + return finishNode(node); } - if (subtreeFlags & 131072) { - transformFlags |= 32768; + else if (sourceFile.languageVariant === 1 && token() === 26 && lookAhead(nextTokenIsIdentifierOrKeyword)) { + return parseJsxElementOrSelfClosingElement(true); } + var expression = parseLeftHandSideExpressionOrHigher(); + ts.Debug.assert(ts.isLeftHandSideExpression(expression)); + if ((token() === 42 || token() === 43) && !scanner.hasPrecedingLineBreak()) { + var node = createNode(187, expression.pos); + node.operand = expression; + node.operator = token(); + nextToken(); + return finishNode(node); + } + return expression; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~539749717; - } - function computeClassExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (subtreeFlags & 548864 - || node.typeParameters) { - transformFlags |= 3; - } - if (subtreeFlags & 131072) { - transformFlags |= 32768; + function parseLeftHandSideExpressionOrHigher() { + var expression = token() === 96 + ? parseSuperExpression() + : parseMemberExpressionOrHigher(); + return parseCallExpressionRest(expression); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~539749717; - } - function computeHeritageClause(node, subtreeFlags) { - var transformFlags = subtreeFlags; - switch (node.token) { - case 84: - transformFlags |= 768; - break; - case 107: - transformFlags |= 3; - break; - default: - ts.Debug.fail("Unexpected token for heritage clause"); - break; + function parseMemberExpressionOrHigher() { + var expression = parsePrimaryExpression(); + return parseMemberExpressionRest(expression); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeExpressionWithTypeArguments(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (node.typeArguments) { - transformFlags |= 3; + function parseSuperExpression() { + var expression = parseTokenNode(); + if (token() === 18 || token() === 22 || token() === 20) { + return expression; + } + var node = createNode(173, expression.pos); + node.expression = expression; + parseExpectedToken(22, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); + node.name = parseRightSideOfDot(true); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeConstructor(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (ts.hasModifier(node, 2270) - || !node.body) { - transformFlags |= 3; + function tagNamesAreEquivalent(lhs, rhs) { + if (lhs.kind !== rhs.kind) { + return false; + } + if (lhs.kind === 70) { + return lhs.text === rhs.text; + } + if (lhs.kind === 98) { + return true; + } + return lhs.name.text === rhs.name.text && + tagNamesAreEquivalent(lhs.expression, rhs.expression); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~591760725; - } - function computeMethod(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (node.decorators - || ts.hasModifier(node, 2270) - || node.typeParameters - || node.type - || !node.body) { - transformFlags |= 3; + function parseJsxElementOrSelfClosingElement(inExpressionContext) { + var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); + var result; + if (opening.kind === 244) { + var node = createNode(242, opening.pos); + node.openingElement = opening; + node.children = parseJsxChildren(node.openingElement.tagName); + node.closingElement = parseJsxClosingElement(inExpressionContext); + if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { + parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); + } + result = finishNode(node); + } + else { + ts.Debug.assert(opening.kind === 243); + result = opening; + } + if (inExpressionContext && token() === 26) { + var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); + if (invalidElement) { + parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); + var badNode = createNode(188, result.pos); + badNode.end = invalidElement.end; + badNode.left = result; + badNode.right = invalidElement; + badNode.operatorToken = createMissingNode(25, false, undefined); + badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; + return badNode; + } + } + return result; } - if (ts.hasModifier(node, 256)) { - transformFlags |= 48; + function parseJsxText() { + var node = createNode(10, scanner.getStartPos()); + currentToken = scanner.scanJsxToken(); + return finishNode(node); } - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - transformFlags |= 6144; + function parseJsxChild() { + switch (token()) { + case 10: + return parseJsxText(); + case 16: + return parseJsxExpression(false); + case 26: + return parseJsxElementOrSelfClosingElement(false); + } + ts.Debug.fail("Unknown JSX child kind " + token()); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~591760725; - } - function computeAccessor(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (node.decorators - || ts.hasModifier(node, 2270) - || node.type - || !node.body) { - transformFlags |= 3; + function parseJsxChildren(openingTagName) { + var result = createNodeArray(); + var saveParsingContext = parsingContext; + parsingContext |= 1 << 14; + while (true) { + currentToken = scanner.reScanJsxToken(); + if (token() === 27) { + break; + } + else if (token() === 1) { + parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); + break; + } + result.push(parseJsxChild()); + } + result.end = scanner.getTokenPos(); + parsingContext = saveParsingContext; + return result; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~591760725; - } - function computePropertyDeclaration(node, subtreeFlags) { - var transformFlags = subtreeFlags | 3; - if (node.initializer) { - transformFlags |= 16384; + function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { + var fullStart = scanner.getStartPos(); + parseExpected(26); + var tagName = parseJsxElementName(); + var attributes = parseList(13, parseJsxAttribute); + var node; + if (token() === 28) { + node = createNode(244, fullStart); + scanJsxText(); + } + else { + parseExpected(40); + if (inExpressionContext) { + parseExpected(28); + } + else { + parseExpected(28, undefined, false); + scanJsxText(); + } + node = createNode(243, fullStart); + } + node.tagName = tagName; + node.attributes = attributes; + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeFunctionDeclaration(node, subtreeFlags) { - var transformFlags; - var modifierFlags = ts.getModifierFlags(node); - var body = node.body; - if (!body || (modifierFlags & 2)) { - transformFlags = 3; + function parseJsxElementName() { + scanJsxIdentifier(); + var expression = token() === 98 ? + parseTokenNode() : parseIdentifierName(); + while (parseOptional(22)) { + var propertyAccess = createNode(173, expression.pos); + propertyAccess.expression = expression; + propertyAccess.name = parseRightSideOfDot(true); + expression = finishNode(propertyAccess); + } + return expression; } - else { - transformFlags = subtreeFlags | 33554432; - if (modifierFlags & 1) { - transformFlags |= 3 | 768; + function parseJsxExpression(inExpressionContext) { + var node = createNode(248); + parseExpected(16); + if (token() !== 17) { + node.expression = parseAssignmentExpressionOrHigher(); } - if (modifierFlags & 2270 - || node.typeParameters - || node.type) { - transformFlags |= 3; + if (inExpressionContext) { + parseExpected(17); } - if (modifierFlags & 256) { - transformFlags |= 48; + else { + parseExpected(17, undefined, false); + scanJsxText(); } - if (subtreeFlags & 327680) { - transformFlags |= 768; + return finishNode(node); + } + function parseJsxAttribute() { + if (token() === 16) { + return parseJsxSpreadAttribute(); } - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - transformFlags |= 6144; + scanJsxIdentifier(); + var node = createNode(246); + node.name = parseIdentifierName(); + if (token() === 57) { + switch (scanJsxAttributeValue()) { + case 9: + node.initializer = parseLiteralNode(); + break; + default: + node.initializer = parseJsxExpression(true); + break; + } } + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~592293205; - } - function computeFunctionExpression(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (ts.hasModifier(node, 2270) - || node.typeParameters - || node.type) { - transformFlags |= 3; - } - if (ts.hasModifier(node, 256)) { - transformFlags |= 48; - } - if (subtreeFlags & 327680) { - transformFlags |= 768; - } - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - transformFlags |= 6144; - } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~592293205; - } - function computeArrowFunction(node, subtreeFlags) { - var transformFlags = subtreeFlags | 768; - if (ts.hasModifier(node, 2270) - || node.typeParameters - || node.type) { - transformFlags |= 3; + function parseJsxSpreadAttribute() { + var node = createNode(247); + parseExpected(16); + parseExpected(23); + node.expression = parseExpression(); + parseExpected(17); + return finishNode(node); } - if (ts.hasModifier(node, 256)) { - transformFlags |= 48; + function parseJsxClosingElement(inExpressionContext) { + var node = createNode(245); + parseExpected(27); + node.tagName = parseJsxElementName(); + if (inExpressionContext) { + parseExpected(28); + } + else { + parseExpected(28, undefined, false); + scanJsxText(); + } + return finishNode(node); } - if (subtreeFlags & 32768) { - transformFlags |= 65536; + function parseTypeAssertion() { + var node = createNode(178); + parseExpected(26); + node.type = parseType(); + parseExpected(28); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~592227669; - } - function computePropertyAccess(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var expression = node.expression; - var expressionKind = expression.kind; - if (expressionKind === 96) { - transformFlags |= 32768; + function parseMemberExpressionRest(expression) { + while (true) { + var dotToken = parseOptionalToken(22); + if (dotToken) { + var propertyAccess = createNode(173, expression.pos); + propertyAccess.expression = expression; + propertyAccess.name = parseRightSideOfDot(true); + expression = finishNode(propertyAccess); + continue; + } + if (token() === 50 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + var nonNullExpression = createNode(197, expression.pos); + nonNullExpression.expression = expression; + expression = finishNode(nonNullExpression); + continue; + } + if (!inDecoratorContext() && parseOptional(20)) { + var indexedAccess = createNode(174, expression.pos); + indexedAccess.expression = expression; + if (token() !== 21) { + indexedAccess.argumentExpression = allowInAnd(parseExpression); + if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { + var literal = indexedAccess.argumentExpression; + literal.text = internIdentifier(literal.text); + } + } + parseExpected(21); + expression = finishNode(indexedAccess); + continue; + } + if (token() === 12 || token() === 13) { + var tagExpression = createNode(177, expression.pos); + tagExpression.tag = expression; + tagExpression.template = token() === 12 + ? parseLiteralNode() + : parseTemplateExpression(); + expression = finishNode(tagExpression); + continue; + } + return expression; + } } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeVariableDeclaration(node, subtreeFlags) { - var transformFlags = subtreeFlags; - var nameKind = node.name.kind; - if (nameKind === 168 || nameKind === 169) { - transformFlags |= 768 | 8388608; + function parseCallExpressionRest(expression) { + while (true) { + expression = parseMemberExpressionRest(expression); + if (token() === 26) { + var typeArguments = tryParse(parseTypeArgumentsInExpression); + if (!typeArguments) { + return expression; + } + var callExpr = createNode(175, expression.pos); + callExpr.expression = expression; + callExpr.typeArguments = typeArguments; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + else if (token() === 18) { + var callExpr = createNode(175, expression.pos); + callExpr.expression = expression; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + return expression; + } } - if (node.type) { - transformFlags |= 3; + function parseArgumentList() { + parseExpected(18); + var result = parseDelimitedList(11, parseArgumentExpression); + parseExpected(19); + return result; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeVariableStatement(node, subtreeFlags) { - var transformFlags; - var modifierFlags = ts.getModifierFlags(node); - var declarationListTransformFlags = node.declarationList.transformFlags; - if (modifierFlags & 2) { - transformFlags = 3; + function parseTypeArgumentsInExpression() { + if (!parseOptional(26)) { + return undefined; + } + var typeArguments = parseDelimitedList(18, parseType); + if (!parseExpected(28)) { + return undefined; + } + return typeArguments && canFollowTypeArgumentsInExpression() + ? typeArguments + : undefined; } - else { - transformFlags = subtreeFlags; - if (modifierFlags & 1) { - transformFlags |= 768 | 3; + function canFollowTypeArgumentsInExpression() { + switch (token()) { + case 18: + case 22: + case 19: + case 21: + case 55: + case 24: + case 54: + case 31: + case 33: + case 32: + case 34: + case 52: + case 53: + case 49: + case 47: + case 48: + case 17: + case 1: + return true; + case 25: + case 16: + default: + return false; } - if (declarationListTransformFlags & 8388608) { - transformFlags |= 768; + } + function parsePrimaryExpression() { + switch (token()) { + case 8: + case 9: + case 12: + return parseLiteralNode(); + case 98: + case 96: + case 94: + case 100: + case 85: + return parseTokenNode(); + case 18: + return parseParenthesizedExpression(); + case 20: + return parseArrayLiteralExpression(); + case 16: + return parseObjectLiteralExpression(); + case 119: + if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { + break; + } + return parseFunctionExpression(); + case 74: + return parseClassExpression(); + case 88: + return parseFunctionExpression(); + case 93: + return parseNewExpression(); + case 40: + case 62: + if (reScanSlashToken() === 11) { + return parseLiteralNode(); + } + break; + case 13: + return parseTemplateExpression(); } + return parseIdentifier(ts.Diagnostics.Expression_expected); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeLabeledStatement(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (subtreeFlags & 4194304 - && ts.isIterationStatement(node, true)) { - transformFlags |= 768; + function parseParenthesizedExpression() { + var node = createNode(179); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeImportEquals(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (!ts.isExternalModuleImportEqualsDeclaration(node)) { - transformFlags |= 3; + function parseSpreadElement() { + var node = createNode(192); + parseExpected(23); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeExpressionStatement(node, subtreeFlags) { - var transformFlags = subtreeFlags; - if (node.expression.transformFlags & 1024) { - transformFlags |= 768; + function parseArgumentOrArrayLiteralElement() { + return token() === 23 ? parseSpreadElement() : + token() === 25 ? createNode(194) : + parseAssignmentExpressionOrHigher(); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~536874325; - } - function computeModuleDeclaration(node, subtreeFlags) { - var transformFlags = 3; - var modifierFlags = ts.getModifierFlags(node); - if ((modifierFlags & 2) === 0) { - transformFlags |= subtreeFlags; + function parseArgumentExpression() { + return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~574729557; - } - function computeVariableDeclarationList(node, subtreeFlags) { - var transformFlags = subtreeFlags | 33554432; - if (subtreeFlags & 8388608) { - transformFlags |= 768; + function parseArrayLiteralExpression() { + var node = createNode(171); + parseExpected(20); + if (scanner.hasPrecedingLineBreak()) { + node.multiLine = true; + } + node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); + parseExpected(21); + return finishNode(node); } - if (node.flags & 3) { - transformFlags |= 768 | 4194304; + function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { + if (parseContextualModifier(124)) { + return parseAccessorDeclaration(150, fullStart, decorators, modifiers); + } + else if (parseContextualModifier(132)) { + return parseAccessorDeclaration(151, fullStart, decorators, modifiers); + } + return undefined; } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~545262933; - } - function computeOther(node, kind, subtreeFlags) { - var transformFlags = subtreeFlags; - var excludeFlags = 536874325; - switch (kind) { - case 119: - case 185: - transformFlags |= 48; - break; - case 113: - case 111: - case 112: - case 116: - case 123: - case 75: - case 225: - case 255: - case 178: - case 196: - case 197: - case 129: - transformFlags |= 3; - break; - case 242: - case 243: - case 244: - case 10: - case 245: - case 246: - case 247: - case 248: - transformFlags |= 12; - break; - case 83: - transformFlags |= 768 | 3; - break; - case 78: - case 12: - case 13: - case 14: - case 15: - case 190: - case 177: - case 254: - case 209: - transformFlags |= 768; - break; - case 191: - transformFlags |= 768 | 16777216; - break; - case 118: - case 131: - case 128: - case 133: - case 121: - case 134: - case 104: - case 142: - case 145: - case 147: - case 152: - case 153: - case 154: - case 155: - case 156: - case 157: - case 158: - case 159: - case 160: - case 161: - case 162: - case 163: - case 164: - case 165: - case 223: - case 224: - case 166: - case 167: - transformFlags = 3; - excludeFlags = -3; - break; - case 141: - transformFlags |= 2097152; - if (subtreeFlags & 32768) { - transformFlags |= 131072; - } - break; - case 192: - transformFlags |= 1048576; - break; - case 96: - transformFlags |= 768; - break; - case 98: - transformFlags |= 32768; - break; - case 168: - case 169: - transformFlags |= 768 | 8388608; - break; - case 144: - transformFlags |= 3 | 8192; - break; - case 172: - excludeFlags = 539110741; - if (subtreeFlags & 2097152) { - transformFlags |= 768; - } - if (subtreeFlags & 131072) { - transformFlags |= 32768; - } - break; - case 171: - case 176: - excludeFlags = 537922901; - if (subtreeFlags & 1048576) { - transformFlags |= 768; - } - break; - case 205: - case 206: - case 207: - case 208: - if (subtreeFlags & 4194304) { - transformFlags |= 768; - } - break; - case 256: - if (subtreeFlags & 65536) { - transformFlags |= 768; + function parseObjectLiteralElement() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + var asteriskToken = parseOptionalToken(38); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + var questionToken = parseOptionalToken(54); + if (asteriskToken || token() === 18 || token() === 26) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); + } + var isShorthandPropertyAssignment = tokenIsIdentifier && (token() === 25 || token() === 17 || token() === 57); + if (isShorthandPropertyAssignment) { + var shorthandDeclaration = createNode(254, fullStart); + shorthandDeclaration.name = propertyName; + shorthandDeclaration.questionToken = questionToken; + var equalsToken = parseOptionalToken(57); + if (equalsToken) { + shorthandDeclaration.equalsToken = equalsToken; + shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); } - break; - case 212: - case 210: - case 211: - transformFlags |= 33554432; - break; - } - node.transformFlags = transformFlags | 536870912; - return transformFlags & ~excludeFlags; - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var ambientModuleSymbolRegex = /^".+"$/; - var nextSymbolId = 1; - var nextNodeId = 1; - var nextMergeId = 1; - var nextFlowId = 1; - function getNodeId(node) { - if (!node.id) { - node.id = nextNodeId; - nextNodeId++; + return addJSDocComment(finishNode(shorthandDeclaration)); + } + else { + var propertyAssignment = createNode(253, fullStart); + propertyAssignment.modifiers = modifiers; + propertyAssignment.name = propertyName; + propertyAssignment.questionToken = questionToken; + parseExpected(55); + propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); + return addJSDocComment(finishNode(propertyAssignment)); + } } - return node.id; - } - ts.getNodeId = getNodeId; - function getSymbolId(symbol) { - if (!symbol.id) { - symbol.id = nextSymbolId; - nextSymbolId++; + function parseObjectLiteralExpression() { + var node = createNode(172); + parseExpected(16); + if (scanner.hasPrecedingLineBreak()) { + node.multiLine = true; + } + node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); + parseExpected(17); + return finishNode(node); } - return symbol.id; - } - ts.getSymbolId = getSymbolId; - function createTypeChecker(host, produceDiagnostics) { - var cancellationToken; - var Symbol = ts.objectAllocator.getSymbolConstructor(); - var Type = ts.objectAllocator.getTypeConstructor(); - var Signature = ts.objectAllocator.getSignatureConstructor(); - var typeCount = 0; - var symbolCount = 0; - var emptyArray = []; - var emptySymbols = ts.createMap(); - var compilerOptions = host.getCompilerOptions(); - var languageVersion = compilerOptions.target || 0; - var modulekind = ts.getEmitModuleKind(compilerOptions); - var noUnusedIdentifiers = !!compilerOptions.noUnusedLocals || !!compilerOptions.noUnusedParameters; - var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === ts.ModuleKind.System; - var strictNullChecks = compilerOptions.strictNullChecks; - var emitResolver = createResolver(); - var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); - undefinedSymbol.declarations = []; - var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); - var checker = { - getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, - getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, - getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, - getTypeCount: function () { return typeCount; }, - isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, - isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, - isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, - getDiagnostics: getDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getTypeOfSymbolAtLocation: getTypeOfSymbolAtLocation, - getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, - getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, - getPropertiesOfType: getPropertiesOfType, - getPropertyOfType: getPropertyOfType, - getSignaturesOfType: getSignaturesOfType, - getIndexTypeOfType: getIndexTypeOfType, - getBaseTypes: getBaseTypes, - getReturnTypeOfSignature: getReturnTypeOfSignature, - getNonNullableType: getNonNullableType, - getSymbolsInScope: getSymbolsInScope, - getSymbolAtLocation: getSymbolAtLocation, - getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, - getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, - getTypeAtLocation: getTypeOfNode, - getPropertySymbolOfDestructuringAssignment: getPropertySymbolOfDestructuringAssignment, - typeToString: typeToString, - getSymbolDisplayBuilder: getSymbolDisplayBuilder, - symbolToString: symbolToString, - getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, - getRootSymbols: getRootSymbols, - getContextualType: getContextualType, - getFullyQualifiedName: getFullyQualifiedName, - getResolvedSignature: getResolvedSignature, - getConstantValue: getConstantValue, - isValidPropertyAccess: isValidPropertyAccess, - getSignatureFromDeclaration: getSignatureFromDeclaration, - isImplementationOfOverload: isImplementationOfOverload, - getAliasedSymbol: resolveAlias, - getEmitResolver: getEmitResolver, - getExportsOfModule: getExportsOfModuleAsArray, - getAmbientModules: getAmbientModules, - getJsxElementAttributesType: getJsxElementAttributesType, - getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, - isOptionalParameter: isOptionalParameter - }; - var tupleTypes = []; - var unionTypes = ts.createMap(); - var intersectionTypes = ts.createMap(); - var stringLiteralTypes = ts.createMap(); - var numericLiteralTypes = ts.createMap(); - var evolvingArrayTypes = []; - var unknownSymbol = createSymbol(4 | 67108864, "unknown"); - var resolvingSymbol = createSymbol(67108864, "__resolving__"); - var anyType = createIntrinsicType(1, "any"); - var autoType = createIntrinsicType(1, "any"); - var unknownType = createIntrinsicType(1, "unknown"); - var undefinedType = createIntrinsicType(2048, "undefined"); - var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 | 33554432, "undefined"); - var nullType = createIntrinsicType(4096, "null"); - var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 | 33554432, "null"); - var stringType = createIntrinsicType(2, "string"); - var numberType = createIntrinsicType(4, "number"); - var trueType = createIntrinsicType(128, "true"); - var falseType = createIntrinsicType(128, "false"); - var booleanType = createBooleanType([trueType, falseType]); - var esSymbolType = createIntrinsicType(512, "symbol"); - var voidType = createIntrinsicType(1024, "void"); - var neverType = createIntrinsicType(8192, "never"); - var silentNeverType = createIntrinsicType(8192, "never"); - var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - emptyGenericType.instantiations = ts.createMap(); - var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - anyFunctionType.flags |= 134217728; - var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); - var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); - var resolvingSignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); - var silentNeverSignature = createSignature(undefined, undefined, undefined, emptyArray, silentNeverType, undefined, 0, false, false); - var enumNumberIndexInfo = createIndexInfo(stringType, true); - var globals = ts.createMap(); - var patternAmbientModules; - var getGlobalESSymbolConstructorSymbol; - var getGlobalPromiseConstructorSymbol; - var tryGetGlobalPromiseConstructorSymbol; - var globalObjectType; - var globalFunctionType; - var globalArrayType; - var globalReadonlyArrayType; - var globalStringType; - var globalNumberType; - var globalBooleanType; - var globalRegExpType; - var anyArrayType; - var autoArrayType; - var anyReadonlyArrayType; - var getGlobalTemplateStringsArrayType; - var getGlobalESSymbolType; - var getGlobalIterableType; - var getGlobalIteratorType; - var getGlobalIterableIteratorType; - var getGlobalClassDecoratorType; - var getGlobalParameterDecoratorType; - var getGlobalPropertyDecoratorType; - var getGlobalMethodDecoratorType; - var getGlobalTypedPropertyDescriptorType; - var getGlobalPromiseType; - var tryGetGlobalPromiseType; - var getGlobalPromiseLikeType; - var getInstantiatedGlobalPromiseLikeType; - var getGlobalPromiseConstructorLikeType; - var getGlobalThenableType; - var jsxElementClassType; - var deferredNodes; - var deferredUnusedIdentifierNodes; - var flowLoopStart = 0; - var flowLoopCount = 0; - var visitedFlowCount = 0; - var emptyStringType = getLiteralTypeForText(32, ""); - var zeroType = getLiteralTypeForText(64, "0"); - var resolutionTargets = []; - var resolutionResults = []; - var resolutionPropertyNames = []; - var mergedSymbols = []; - var symbolLinks = []; - var nodeLinks = []; - var flowLoopCaches = []; - var flowLoopNodes = []; - var flowLoopKeys = []; - var flowLoopTypes = []; - var visitedFlowNodes = []; - var visitedFlowTypes = []; - var potentialThisCollisions = []; - var awaitedTypeStack = []; - var diagnostics = ts.createDiagnosticCollection(); - var TypeFacts; - (function (TypeFacts) { - TypeFacts[TypeFacts["None"] = 0] = "None"; - TypeFacts[TypeFacts["TypeofEQString"] = 1] = "TypeofEQString"; - TypeFacts[TypeFacts["TypeofEQNumber"] = 2] = "TypeofEQNumber"; - TypeFacts[TypeFacts["TypeofEQBoolean"] = 4] = "TypeofEQBoolean"; - TypeFacts[TypeFacts["TypeofEQSymbol"] = 8] = "TypeofEQSymbol"; - TypeFacts[TypeFacts["TypeofEQObject"] = 16] = "TypeofEQObject"; - TypeFacts[TypeFacts["TypeofEQFunction"] = 32] = "TypeofEQFunction"; - TypeFacts[TypeFacts["TypeofEQHostObject"] = 64] = "TypeofEQHostObject"; - TypeFacts[TypeFacts["TypeofNEString"] = 128] = "TypeofNEString"; - TypeFacts[TypeFacts["TypeofNENumber"] = 256] = "TypeofNENumber"; - TypeFacts[TypeFacts["TypeofNEBoolean"] = 512] = "TypeofNEBoolean"; - TypeFacts[TypeFacts["TypeofNESymbol"] = 1024] = "TypeofNESymbol"; - TypeFacts[TypeFacts["TypeofNEObject"] = 2048] = "TypeofNEObject"; - TypeFacts[TypeFacts["TypeofNEFunction"] = 4096] = "TypeofNEFunction"; - TypeFacts[TypeFacts["TypeofNEHostObject"] = 8192] = "TypeofNEHostObject"; - TypeFacts[TypeFacts["EQUndefined"] = 16384] = "EQUndefined"; - TypeFacts[TypeFacts["EQNull"] = 32768] = "EQNull"; - TypeFacts[TypeFacts["EQUndefinedOrNull"] = 65536] = "EQUndefinedOrNull"; - TypeFacts[TypeFacts["NEUndefined"] = 131072] = "NEUndefined"; - TypeFacts[TypeFacts["NENull"] = 262144] = "NENull"; - TypeFacts[TypeFacts["NEUndefinedOrNull"] = 524288] = "NEUndefinedOrNull"; - TypeFacts[TypeFacts["Truthy"] = 1048576] = "Truthy"; - TypeFacts[TypeFacts["Falsy"] = 2097152] = "Falsy"; - TypeFacts[TypeFacts["Discriminatable"] = 4194304] = "Discriminatable"; - TypeFacts[TypeFacts["All"] = 8388607] = "All"; - TypeFacts[TypeFacts["BaseStringStrictFacts"] = 933633] = "BaseStringStrictFacts"; - TypeFacts[TypeFacts["BaseStringFacts"] = 3145473] = "BaseStringFacts"; - TypeFacts[TypeFacts["StringStrictFacts"] = 4079361] = "StringStrictFacts"; - TypeFacts[TypeFacts["StringFacts"] = 4194049] = "StringFacts"; - TypeFacts[TypeFacts["EmptyStringStrictFacts"] = 3030785] = "EmptyStringStrictFacts"; - TypeFacts[TypeFacts["EmptyStringFacts"] = 3145473] = "EmptyStringFacts"; - TypeFacts[TypeFacts["NonEmptyStringStrictFacts"] = 1982209] = "NonEmptyStringStrictFacts"; - TypeFacts[TypeFacts["NonEmptyStringFacts"] = 4194049] = "NonEmptyStringFacts"; - TypeFacts[TypeFacts["BaseNumberStrictFacts"] = 933506] = "BaseNumberStrictFacts"; - TypeFacts[TypeFacts["BaseNumberFacts"] = 3145346] = "BaseNumberFacts"; - TypeFacts[TypeFacts["NumberStrictFacts"] = 4079234] = "NumberStrictFacts"; - TypeFacts[TypeFacts["NumberFacts"] = 4193922] = "NumberFacts"; - TypeFacts[TypeFacts["ZeroStrictFacts"] = 3030658] = "ZeroStrictFacts"; - TypeFacts[TypeFacts["ZeroFacts"] = 3145346] = "ZeroFacts"; - TypeFacts[TypeFacts["NonZeroStrictFacts"] = 1982082] = "NonZeroStrictFacts"; - TypeFacts[TypeFacts["NonZeroFacts"] = 4193922] = "NonZeroFacts"; - TypeFacts[TypeFacts["BaseBooleanStrictFacts"] = 933252] = "BaseBooleanStrictFacts"; - TypeFacts[TypeFacts["BaseBooleanFacts"] = 3145092] = "BaseBooleanFacts"; - TypeFacts[TypeFacts["BooleanStrictFacts"] = 4078980] = "BooleanStrictFacts"; - TypeFacts[TypeFacts["BooleanFacts"] = 4193668] = "BooleanFacts"; - TypeFacts[TypeFacts["FalseStrictFacts"] = 3030404] = "FalseStrictFacts"; - TypeFacts[TypeFacts["FalseFacts"] = 3145092] = "FalseFacts"; - TypeFacts[TypeFacts["TrueStrictFacts"] = 1981828] = "TrueStrictFacts"; - TypeFacts[TypeFacts["TrueFacts"] = 4193668] = "TrueFacts"; - TypeFacts[TypeFacts["SymbolStrictFacts"] = 1981320] = "SymbolStrictFacts"; - TypeFacts[TypeFacts["SymbolFacts"] = 4193160] = "SymbolFacts"; - TypeFacts[TypeFacts["ObjectStrictFacts"] = 6166480] = "ObjectStrictFacts"; - TypeFacts[TypeFacts["ObjectFacts"] = 8378320] = "ObjectFacts"; - TypeFacts[TypeFacts["FunctionStrictFacts"] = 6164448] = "FunctionStrictFacts"; - TypeFacts[TypeFacts["FunctionFacts"] = 8376288] = "FunctionFacts"; - TypeFacts[TypeFacts["UndefinedFacts"] = 2457472] = "UndefinedFacts"; - TypeFacts[TypeFacts["NullFacts"] = 2340752] = "NullFacts"; - })(TypeFacts || (TypeFacts = {})); - var typeofEQFacts = ts.createMap({ - "string": 1, - "number": 2, - "boolean": 4, - "symbol": 8, - "undefined": 16384, - "object": 16, - "function": 32 - }); - var typeofNEFacts = ts.createMap({ - "string": 128, - "number": 256, - "boolean": 512, - "symbol": 1024, - "undefined": 131072, - "object": 2048, - "function": 4096 - }); - var typeofTypesByName = ts.createMap({ - "string": stringType, - "number": numberType, - "boolean": booleanType, - "symbol": esSymbolType, - "undefined": undefinedType - }); - var jsxElementType; - var jsxTypes = ts.createMap(); - var JsxNames = { - JSX: "JSX", - IntrinsicElements: "IntrinsicElements", - ElementClass: "ElementClass", - ElementAttributesPropertyNameContainer: "ElementAttributesProperty", - Element: "Element", - IntrinsicAttributes: "IntrinsicAttributes", - IntrinsicClassAttributes: "IntrinsicClassAttributes" - }; - var subtypeRelation = ts.createMap(); - var assignableRelation = ts.createMap(); - var comparableRelation = ts.createMap(); - var identityRelation = ts.createMap(); - var enumRelation = ts.createMap(); - var _displayBuilder; - var TypeSystemPropertyName; - (function (TypeSystemPropertyName) { - TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; - TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; - })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); - var builtinGlobals = ts.createMap(); - builtinGlobals[undefinedSymbol.name] = undefinedSymbol; - initializeTypeChecker(); - return checker; - function getEmitResolver(sourceFile, cancellationToken) { - getDiagnostics(sourceFile, cancellationToken); - return emitResolver; + function parseFunctionExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var node = createNode(180); + node.modifiers = parseModifiers(); + parseExpected(88); + node.asteriskToken = parseOptionalToken(38); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(ts.getModifierFlags(node) & 256); + node.name = + isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : + isGenerator ? doInYieldContext(parseOptionalIdentifier) : + isAsync ? doInAwaitContext(parseOptionalIdentifier) : + parseOptionalIdentifier(); + fillSignature(55, isGenerator, isAsync, false, node); + node.body = parseFunctionBlock(isGenerator, isAsync, false); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + return addJSDocComment(finishNode(node)); } - function error(location, message, arg0, arg1, arg2) { - var diagnostic = location - ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) - : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); - diagnostics.add(diagnostic); + function parseOptionalIdentifier() { + return isIdentifier() ? parseIdentifier() : undefined; } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); + function parseNewExpression() { + var node = createNode(176); + parseExpected(93); + node.expression = parseMemberExpressionOrHigher(); + node.typeArguments = tryParse(parseTypeArgumentsInExpression); + if (node.typeArguments || token() === 18) { + node.arguments = parseArgumentList(); + } + return finishNode(node); } - function getExcludedSymbolFlags(flags) { - var result = 0; - if (flags & 2) - result |= 107455; - if (flags & 1) - result |= 107454; - if (flags & 4) - result |= 0; - if (flags & 8) - result |= 900095; - if (flags & 16) - result |= 106927; - if (flags & 32) - result |= 899519; - if (flags & 64) - result |= 792968; - if (flags & 256) - result |= 899327; - if (flags & 128) - result |= 899967; - if (flags & 512) - result |= 106639; - if (flags & 8192) - result |= 99263; - if (flags & 32768) - result |= 41919; - if (flags & 65536) - result |= 74687; - if (flags & 262144) - result |= 530920; - if (flags & 524288) - result |= 793064; - if (flags & 8388608) - result |= 8388608; - return result; + function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { + var node = createNode(200); + if (parseExpected(16, diagnosticMessage) || ignoreMissingOpenBrace) { + if (scanner.hasPrecedingLineBreak()) { + node.multiLine = true; + } + node.statements = parseList(1, parseStatement); + parseExpected(17); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); } - function recordMergedSymbol(target, source) { - if (!source.mergeId) { - source.mergeId = nextMergeId; - nextMergeId++; + function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { + var savedYieldContext = inYieldContext(); + setYieldContext(allowYield); + var savedAwaitContext = inAwaitContext(); + setAwaitContext(allowAwait); + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); } - mergedSymbols[source.mergeId] = target; + var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return block; } - function cloneSymbol(symbol) { - var result = createSymbol(symbol.flags | 33554432, symbol.name); - result.declarations = symbol.declarations.slice(0); - result.parent = symbol.parent; - if (symbol.valueDeclaration) - result.valueDeclaration = symbol.valueDeclaration; - if (symbol.constEnumOnlyModule) - result.constEnumOnlyModule = true; - if (symbol.members) - result.members = ts.cloneMap(symbol.members); - if (symbol.exports) - result.exports = ts.cloneMap(symbol.exports); - recordMergedSymbol(result, symbol); - return result; + function parseEmptyStatement() { + var node = createNode(202); + parseExpected(24); + return finishNode(node); } - function mergeSymbol(target, source) { - if (!(target.flags & getExcludedSymbolFlags(source.flags))) { - if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { - target.constEnumOnlyModule = false; + function parseIfStatement() { + var node = createNode(204); + parseExpected(89); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + node.thenStatement = parseStatement(); + node.elseStatement = parseOptional(81) ? parseStatement() : undefined; + return finishNode(node); + } + function parseDoStatement() { + var node = createNode(205); + parseExpected(80); + node.statement = parseStatement(); + parseExpected(105); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + parseOptional(24); + return finishNode(node); + } + function parseWhileStatement() { + var node = createNode(206); + parseExpected(105); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + node.statement = parseStatement(); + return finishNode(node); + } + function parseForOrForInOrForOfStatement() { + var pos = getNodePos(); + parseExpected(87); + parseExpected(18); + var initializer = undefined; + if (token() !== 24) { + if (token() === 103 || token() === 109 || token() === 75) { + initializer = parseVariableDeclarationList(true); } - target.flags |= source.flags; - if (source.valueDeclaration && - (!target.valueDeclaration || - (target.valueDeclaration.kind === 226 && source.valueDeclaration.kind !== 226))) { - target.valueDeclaration = source.valueDeclaration; + else { + initializer = disallowInAnd(parseExpression); } - ts.forEach(source.declarations, function (node) { - target.declarations.push(node); - }); - if (source.members) { - if (!target.members) - target.members = ts.createMap(); - mergeSymbolTable(target.members, source.members); + } + var forOrForInOrForOfStatement; + if (parseOptional(91)) { + var forInStatement = createNode(208, pos); + forInStatement.initializer = initializer; + forInStatement.expression = allowInAnd(parseExpression); + parseExpected(19); + forOrForInOrForOfStatement = forInStatement; + } + else if (parseOptional(139)) { + var forOfStatement = createNode(209, pos); + forOfStatement.initializer = initializer; + forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); + parseExpected(19); + forOrForInOrForOfStatement = forOfStatement; + } + else { + var forStatement = createNode(207, pos); + forStatement.initializer = initializer; + parseExpected(24); + if (token() !== 24 && token() !== 19) { + forStatement.condition = allowInAnd(parseExpression); } - if (source.exports) { - if (!target.exports) - target.exports = ts.createMap(); - mergeSymbolTable(target.exports, source.exports); + parseExpected(24); + if (token() !== 19) { + forStatement.incrementor = allowInAnd(parseExpression); } - recordMergedSymbol(target, source); + parseExpected(19); + forOrForInOrForOfStatement = forStatement; + } + forOrForInOrForOfStatement.statement = parseStatement(); + return finishNode(forOrForInOrForOfStatement); + } + function parseBreakOrContinueStatement(kind) { + var node = createNode(kind); + parseExpected(kind === 211 ? 71 : 76); + if (!canParseSemicolon()) { + node.label = parseIdentifier(); + } + parseSemicolon(); + return finishNode(node); + } + function parseReturnStatement() { + var node = createNode(212); + parseExpected(95); + if (!canParseSemicolon()) { + node.expression = allowInAnd(parseExpression); + } + parseSemicolon(); + return finishNode(node); + } + function parseWithStatement() { + var node = createNode(213); + parseExpected(106); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + node.statement = parseStatement(); + return finishNode(node); + } + function parseCaseClause() { + var node = createNode(249); + parseExpected(72); + node.expression = allowInAnd(parseExpression); + parseExpected(55); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseDefaultClause() { + var node = createNode(250); + parseExpected(78); + parseExpected(55); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseCaseOrDefaultClause() { + return token() === 72 ? parseCaseClause() : parseDefaultClause(); + } + function parseSwitchStatement() { + var node = createNode(214); + parseExpected(97); + parseExpected(18); + node.expression = allowInAnd(parseExpression); + parseExpected(19); + var caseBlock = createNode(228, scanner.getStartPos()); + parseExpected(16); + caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); + parseExpected(17); + node.caseBlock = finishNode(caseBlock); + return finishNode(node); + } + function parseThrowStatement() { + var node = createNode(216); + parseExpected(99); + node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); + parseSemicolon(); + return finishNode(node); + } + function parseTryStatement() { + var node = createNode(217); + parseExpected(101); + node.tryBlock = parseBlock(false); + node.catchClause = token() === 73 ? parseCatchClause() : undefined; + if (!node.catchClause || token() === 86) { + parseExpected(86); + node.finallyBlock = parseBlock(false); + } + return finishNode(node); + } + function parseCatchClause() { + var result = createNode(252); + parseExpected(73); + if (parseExpected(18)) { + result.variableDeclaration = parseVariableDeclaration(); + } + parseExpected(19); + result.block = parseBlock(false); + return finishNode(result); + } + function parseDebuggerStatement() { + var node = createNode(218); + parseExpected(77); + parseSemicolon(); + return finishNode(node); + } + function parseExpressionOrLabeledStatement() { + var fullStart = scanner.getStartPos(); + var expression = allowInAnd(parseExpression); + if (expression.kind === 70 && parseOptional(55)) { + var labeledStatement = createNode(215, fullStart); + labeledStatement.label = expression; + labeledStatement.statement = parseStatement(); + return addJSDocComment(finishNode(labeledStatement)); } else { - var message_2 = target.flags & 2 || source.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(source.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - ts.forEach(target.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); + var expressionStatement = createNode(203, fullStart); + expressionStatement.expression = expression; + parseSemicolon(); + return addJSDocComment(finishNode(expressionStatement)); } } - function mergeSymbolTable(target, source) { - for (var id in source) { - var targetSymbol = target[id]; - if (!targetSymbol) { - target[id] = source[id]; + function nextTokenIsIdentifierOrKeywordOnSameLine() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token()) && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsFunctionKeywordOnSameLine() { + nextToken(); + return token() === 88 && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { + nextToken(); + return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8) && !scanner.hasPrecedingLineBreak(); + } + function isDeclaration() { + while (true) { + switch (token()) { + case 103: + case 109: + case 75: + case 88: + case 74: + case 82: + return true; + case 108: + case 135: + return nextTokenIsIdentifierOnSameLine(); + case 126: + case 127: + return nextTokenIsIdentifierOrStringLiteralOnSameLine(); + case 116: + case 119: + case 123: + case 111: + case 112: + case 113: + case 129: + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + continue; + case 138: + nextToken(); + return token() === 16 || token() === 70 || token() === 83; + case 90: + nextToken(); + return token() === 9 || token() === 38 || + token() === 16 || ts.tokenIsIdentifierOrKeyword(token()); + case 83: + nextToken(); + if (token() === 57 || token() === 38 || + token() === 16 || token() === 78 || + token() === 117) { + return true; + } + continue; + case 114: + nextToken(); + continue; + default: + return false; } - else { - if (!(targetSymbol.flags & 33554432)) { - target[id] = targetSymbol = cloneSymbol(targetSymbol); + } + } + function isStartOfDeclaration() { + return lookAhead(isDeclaration); + } + function isStartOfStatement() { + switch (token()) { + case 56: + case 24: + case 16: + case 103: + case 109: + case 88: + case 74: + case 82: + case 89: + case 80: + case 105: + case 87: + case 76: + case 71: + case 95: + case 106: + case 97: + case 99: + case 101: + case 77: + case 73: + case 86: + return true; + case 75: + case 83: + case 90: + return isStartOfDeclaration(); + case 119: + case 123: + case 108: + case 126: + case 127: + case 135: + case 138: + return true; + case 113: + case 111: + case 112: + case 114: + case 129: + return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + default: + return isStartOfExpression(); + } + } + function nextTokenIsIdentifierOrStartOfDestructuring() { + nextToken(); + return isIdentifier() || token() === 16 || token() === 20; + } + function isLetDeclaration() { + return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); + } + function parseStatement() { + switch (token()) { + case 24: + return parseEmptyStatement(); + case 16: + return parseBlock(false); + case 103: + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + case 109: + if (isLetDeclaration()) { + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + } + break; + case 88: + return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); + case 74: + return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); + case 89: + return parseIfStatement(); + case 80: + return parseDoStatement(); + case 105: + return parseWhileStatement(); + case 87: + return parseForOrForInOrForOfStatement(); + case 76: + return parseBreakOrContinueStatement(210); + case 71: + return parseBreakOrContinueStatement(211); + case 95: + return parseReturnStatement(); + case 106: + return parseWithStatement(); + case 97: + return parseSwitchStatement(); + case 99: + return parseThrowStatement(); + case 101: + case 73: + case 86: + return parseTryStatement(); + case 77: + return parseDebuggerStatement(); + case 56: + return parseDeclaration(); + case 119: + case 108: + case 135: + case 126: + case 127: + case 123: + case 75: + case 82: + case 83: + case 90: + case 111: + case 112: + case 113: + case 116: + case 114: + case 129: + case 138: + if (isStartOfDeclaration()) { + return parseDeclaration(); + } + break; + } + return parseExpressionOrLabeledStatement(); + } + function parseDeclaration() { + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + switch (token()) { + case 103: + case 109: + case 75: + return parseVariableStatement(fullStart, decorators, modifiers); + case 88: + return parseFunctionDeclaration(fullStart, decorators, modifiers); + case 74: + return parseClassDeclaration(fullStart, decorators, modifiers); + case 108: + return parseInterfaceDeclaration(fullStart, decorators, modifiers); + case 135: + return parseTypeAliasDeclaration(fullStart, decorators, modifiers); + case 82: + return parseEnumDeclaration(fullStart, decorators, modifiers); + case 138: + case 126: + case 127: + return parseModuleDeclaration(fullStart, decorators, modifiers); + case 90: + return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); + case 83: + nextToken(); + switch (token()) { + case 78: + case 57: + return parseExportAssignment(fullStart, decorators, modifiers); + case 117: + return parseNamespaceExportDeclaration(fullStart, decorators, modifiers); + default: + return parseExportDeclaration(fullStart, decorators, modifiers); + } + default: + if (decorators || modifiers) { + var node = createMissingNode(240, true, ts.Diagnostics.Declaration_expected); + node.pos = fullStart; + node.decorators = decorators; + node.modifiers = modifiers; + return finishNode(node); } - mergeSymbol(targetSymbol, source[id]); - } } } - function mergeModuleAugmentation(moduleName) { - var moduleAugmentation = moduleName.parent; - if (moduleAugmentation.symbol.declarations[0] !== moduleAugmentation) { - ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); + function nextTokenIsIdentifierOrStringLiteralOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 9); + } + function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { + if (token() !== 16 && canParseSemicolon()) { + parseSemicolon(); return; } - if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { - mergeSymbolTable(globals, moduleAugmentation.symbol.exports); - } - else { - var moduleNotFoundError = !ts.isInAmbientContext(moduleName.parent.parent) - ? ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found - : undefined; - var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, moduleNotFoundError); - if (!mainModule) { - return; - } - mainModule = resolveExternalModuleSymbol(mainModule); - if (mainModule.flags & 1920) { - mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); - mergeSymbol(mainModule, moduleAugmentation.symbol); - } - else { - error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); - } + return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); + } + function parseArrayBindingElement() { + if (token() === 25) { + return createNode(194); } + var node = createNode(170); + node.dotDotDotToken = parseOptionalToken(23); + node.name = parseIdentifierOrPattern(); + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); } - function addToSymbolTable(target, source, message) { - for (var id in source) { - if (target[id]) { - ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); - } - else { - target[id] = source[id]; - } + function parseObjectBindingElement() { + var node = createNode(170); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + if (tokenIsIdentifier && token() !== 55) { + node.name = propertyName; } - function addDeclarationDiagnostic(id, message) { - return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + else { + parseExpected(55); + node.propertyName = propertyName; + node.name = parseIdentifierOrPattern(); } + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); } - function getSymbolLinks(symbol) { - if (symbol.flags & 67108864) - return symbol; - var id = getSymbolId(symbol); - return symbolLinks[id] || (symbolLinks[id] = {}); + function parseObjectBindingPattern() { + var node = createNode(168); + parseExpected(16); + node.elements = parseDelimitedList(9, parseObjectBindingElement); + parseExpected(17); + return finishNode(node); } - function getNodeLinks(node) { - var nodeId = getNodeId(node); - return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 }); + function parseArrayBindingPattern() { + var node = createNode(169); + parseExpected(20); + node.elements = parseDelimitedList(10, parseArrayBindingElement); + parseExpected(21); + return finishNode(node); } - function isGlobalSourceFile(node) { - return node.kind === 256 && !ts.isExternalOrCommonJsModule(node); + function isIdentifierOrPattern() { + return token() === 16 || token() === 20 || isIdentifier(); } - function getSymbol(symbols, name, meaning) { - if (meaning) { - var symbol = symbols[name]; - if (symbol) { - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - if (symbol.flags & meaning) { - return symbol; - } - if (symbol.flags & 8388608) { - var target = resolveAlias(symbol); - if (target === unknownSymbol || target.flags & meaning) { - return symbol; - } - } - } + function parseIdentifierOrPattern() { + if (token() === 20) { + return parseArrayBindingPattern(); } - } - function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { - var constructorDeclaration = parameter.parent; - var classDeclaration = parameter.parent.parent; - var parameterSymbol = getSymbol(constructorDeclaration.locals, parameterName, 107455); - var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); - if (parameterSymbol && propertySymbol) { - return [parameterSymbol, propertySymbol]; + if (token() === 16) { + return parseObjectBindingPattern(); } - ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); + return parseIdentifier(); } - function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { - var declarationFile = ts.getSourceFileOfNode(declaration); - var useFile = ts.getSourceFileOfNode(usage); - if (declarationFile !== useFile) { - if ((modulekind && (declarationFile.externalModuleIndicator || useFile.externalModuleIndicator)) || - (!compilerOptions.outFile && !compilerOptions.out)) { - return true; - } - var sourceFiles = host.getSourceFiles(); - return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); - } - if (declaration.pos <= usage.pos) { - return declaration.kind !== 219 || - !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); - } - return isUsedInFunctionOrNonStaticProperty(declaration, usage); - function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - switch (declaration.parent.parent.kind) { - case 201: - case 207: - case 209: - if (isSameScopeDescendentOf(usage, declaration, container)) { - return true; - } - break; - } - switch (declaration.parent.parent.kind) { - case 208: - case 209: - if (isSameScopeDescendentOf(usage, declaration.parent.parent.expression, container)) { - return true; - } - } - return false; - } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - var current = usage; - while (current) { - if (current === container) { - return false; - } - if (ts.isFunctionLike(current)) { - return true; - } - var initializerOfNonStaticProperty = current.parent && - current.parent.kind === 146 && - (ts.getModifierFlags(current.parent) & 32) === 0 && - current.parent.initializer === current; - if (initializerOfNonStaticProperty) { - return true; - } - current = current.parent; - } - return false; + function parseVariableDeclaration() { + var node = createNode(219); + node.name = parseIdentifierOrPattern(); + node.type = parseTypeAnnotation(); + if (!isInOrOfKeyword(token())) { + node.initializer = parseInitializer(false); } + return finishNode(node); } - function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { - var result; - var lastLocation; - var propertyWithInvalidInitializer; - var errorLocation = location; - var grandparent; - var isInExternalModule = false; - loop: while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - if (result = getSymbol(location.locals, name, meaning)) { - var useResult = true; - if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { - if (meaning & result.flags & 793064 && lastLocation.kind !== 273) { - useResult = result.flags & 262144 - ? lastLocation === location.type || - lastLocation.kind === 143 || - lastLocation.kind === 142 - : false; - } - if (meaning & 107455 && result.flags & 1) { - useResult = - lastLocation.kind === 143 || - (lastLocation === location.type && - result.valueDeclaration.kind === 143); - } - } - if (useResult) { - break loop; - } - else { - result = undefined; - } - } - } - switch (location.kind) { - case 256: - if (!ts.isExternalOrCommonJsModule(location)) - break; - isInExternalModule = true; - case 226: - var moduleExports = getSymbolOfNode(location).exports; - if (location.kind === 256 || ts.isAmbientModule(location)) { - if (result = moduleExports["default"]) { - var localSymbol = ts.getLocalSymbolForExportDefault(result); - if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { - break loop; - } - result = undefined; - } - if (moduleExports[name] && - moduleExports[name].flags === 8388608 && - ts.getDeclarationOfKind(moduleExports[name], 239)) { - break; - } - } - if (result = getSymbol(moduleExports, name, meaning & 8914931)) { - break loop; - } - break; - case 225: - if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { - break loop; - } - break; - case 146: - case 145: - if (ts.isClassLike(location.parent) && !(ts.getModifierFlags(location) & 32)) { - var ctor = findConstructorDeclaration(location.parent); - if (ctor && ctor.locals) { - if (getSymbol(ctor.locals, name, meaning & 107455)) { - propertyWithInvalidInitializer = location; - } - } - } - break; - case 222: - case 193: - case 223: - if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793064)) { - if (lastLocation && ts.getModifierFlags(lastLocation) & 32) { - error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); - return undefined; - } - break loop; - } - if (location.kind === 193 && meaning & 32) { - var className = location.name; - if (className && name === className.text) { - result = location.symbol; - break loop; - } - } - break; - case 141: - grandparent = location.parent.parent; - if (ts.isClassLike(grandparent) || grandparent.kind === 223) { - if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793064)) { - error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); - return undefined; - } - } - break; - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 181: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - break; - case 180: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - if (meaning & 16) { - var functionName = location.name; - if (functionName && name === functionName.text) { - result = location.symbol; - break loop; - } - } - break; - case 144: - if (location.parent && location.parent.kind === 143) { - location = location.parent; - } - if (location.parent && ts.isClassElement(location.parent)) { - location = location.parent; - } - break; - } - lastLocation = location; - location = location.parent; - } - if (result && nameNotFoundMessage && noUnusedIdentifiers) { - result.isReferenced = true; - } - if (!result) { - result = getSymbol(globals, name, meaning); + function parseVariableDeclarationList(inForStatementInitializer) { + var node = createNode(220); + switch (token()) { + case 103: + break; + case 109: + node.flags |= 1; + break; + case 75: + node.flags |= 2; + break; + default: + ts.Debug.fail(); } - if (!result) { - if (nameNotFoundMessage) { - if (!errorLocation || - !checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) && - !checkAndReportErrorForExtendingInterface(errorLocation) && - !checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning)) { - error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - } - } - return undefined; + nextToken(); + if (token() === 139 && lookAhead(canFollowContextualOfKeyword)) { + node.declarations = createMissingList(); } - if (nameNotFoundMessage) { - if (propertyWithInvalidInitializer) { - var propertyName = propertyWithInvalidInitializer.name; - error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return undefined; - } - if (meaning & 2) { - var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); - if (exportOrLocalSymbol.flags & 2) { - checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); - } - } - if (result && isInExternalModule && (meaning & 107455) === 107455) { - var decls = result.declarations; - if (decls && decls.length === 1 && decls[0].kind === 229) { - error(errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, name); - } - } + else { + var savedDisallowIn = inDisallowInContext(); + setDisallowInContext(inForStatementInitializer); + node.declarations = parseDelimitedList(8, parseVariableDeclaration); + setDisallowInContext(savedDisallowIn); } - return result; + return finishNode(node); } - function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { - if ((errorLocation.kind === 70 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { - return false; + function canFollowContextualOfKeyword() { + return nextTokenIsIdentifier() && nextToken() === 19; + } + function parseVariableStatement(fullStart, decorators, modifiers) { + var node = createNode(201, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + node.declarationList = parseVariableDeclarationList(false); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseFunctionDeclaration(fullStart, decorators, modifiers) { + var node = createNode(221, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(88); + node.asteriskToken = parseOptionalToken(38); + node.name = ts.hasModifier(node, 512) ? parseOptionalIdentifier() : parseIdentifier(); + var isGenerator = !!node.asteriskToken; + var isAsync = ts.hasModifier(node, 256); + fillSignature(55, isGenerator, isAsync, false, node); + node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseConstructorDeclaration(pos, decorators, modifiers) { + var node = createNode(149, pos); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(122); + fillSignature(55, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { + var method = createNode(148, fullStart); + method.decorators = decorators; + method.modifiers = modifiers; + method.asteriskToken = asteriskToken; + method.name = name; + method.questionToken = questionToken; + var isGenerator = !!asteriskToken; + var isAsync = ts.hasModifier(method, 256); + fillSignature(55, isGenerator, isAsync, false, method); + method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); + return addJSDocComment(finishNode(method)); + } + function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { + var property = createNode(146, fullStart); + property.decorators = decorators; + property.modifiers = modifiers; + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + property.initializer = ts.hasModifier(property, 32) + ? allowInAnd(parseNonParameterInitializer) + : doOutsideOfContext(65536 | 32768, parseNonParameterInitializer); + parseSemicolon(); + return addJSDocComment(finishNode(property)); + } + function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { + var asteriskToken = parseOptionalToken(38); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(54); + if (asteriskToken || token() === 18 || token() === 26) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); } - var container = ts.getThisContainer(errorLocation, true); - var location = container; - while (location) { - if (ts.isClassLike(location.parent)) { - var classSymbol = getSymbolOfNode(location.parent); - if (!classSymbol) { - break; - } - var constructorType = getTypeOfSymbol(classSymbol); - if (getPropertyOfType(constructorType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); - return true; - } - if (location === container && !(ts.getModifierFlags(location) & 32)) { - var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; - if (getPropertyOfType(instanceType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return true; - } - } - } - location = location.parent; + else { + return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); } - return false; } - function checkAndReportErrorForExtendingInterface(errorLocation) { - var expression = getEntityNameForExtendingInterface(errorLocation); - var isError = !!(expression && resolveEntityName(expression, 64, true)); - if (isError) { - error(errorLocation, ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements, ts.getTextOfNode(expression)); - } - return isError; + function parseNonParameterInitializer() { + return parseInitializer(false); } - function getEntityNameForExtendingInterface(node) { - switch (node.kind) { - case 70: - case 173: - return node.parent ? getEntityNameForExtendingInterface(node.parent) : undefined; - case 195: - ts.Debug.assert(ts.isEntityNameExpression(node.expression)); - return node.expression; + function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + node.name = parsePropertyName(); + fillSignature(55, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false); + return addJSDocComment(finishNode(node)); + } + function isClassMemberModifier(idToken) { + switch (idToken) { + case 113: + case 111: + case 112: + case 114: + case 129: + return true; default: - return undefined; + return false; } } - function checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) { - if (meaning & (107455 & ~1024)) { - var symbol = resolveSymbol(resolveName(errorLocation, name, 793064 & ~107455, undefined, undefined)); - if (symbol && !(symbol.flags & 1024)) { - error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, name); + function isClassMemberStart() { + var idToken; + if (token() === 56) { + return true; + } + while (ts.isModifierKind(token())) { + idToken = token(); + if (isClassMemberModifier(idToken)) { return true; } + nextToken(); } - return false; - } - function checkResolvedBlockScopedVariable(result, errorLocation) { - ts.Debug.assert((result.flags & 2) !== 0); - var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); - ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); - if (!ts.isInAmbientContext(declaration) && !isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 219), errorLocation)) { - error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); + if (token() === 38) { + return true; } - } - function isSameScopeDescendentOf(initial, parent, stopAt) { - if (!parent) { - return false; + if (isLiteralPropertyName()) { + idToken = token(); + nextToken(); } - for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { - if (current === parent) { + if (token() === 20) { + return true; + } + if (idToken !== undefined) { + if (!ts.isKeyword(idToken) || idToken === 132 || idToken === 124) { return true; } + switch (token()) { + case 18: + case 26: + case 55: + case 57: + case 54: + return true; + default: + return canParseSemicolon(); + } } return false; } - function getAnyImportSyntax(node) { - if (ts.isAliasSymbolDeclaration(node)) { - if (node.kind === 230) { - return node; + function parseDecorators() { + var decorators; + while (true) { + var decoratorStart = getNodePos(); + if (!parseOptional(56)) { + break; } - while (node && node.kind !== 231) { - node = node.parent; + var decorator = createNode(144, decoratorStart); + decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); + finishNode(decorator); + if (!decorators) { + decorators = createNodeArray([decorator], decoratorStart); + } + else { + decorators.push(decorator); } - return node; } - } - function getDeclarationOfAliasSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); - } - function getTargetOfImportEqualsDeclaration(node) { - if (node.moduleReference.kind === 241) { - return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + if (decorators) { + decorators.end = getNodeEnd(); } - return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference); + return decorators; } - function getTargetOfImportClause(node) { - var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); - if (moduleSymbol) { - var exportDefaultSymbol = ts.isShorthandAmbientModuleSymbol(moduleSymbol) ? - moduleSymbol : - moduleSymbol.exports["export="] ? - getPropertyOfType(getTypeOfSymbol(moduleSymbol.exports["export="]), "default") : - resolveSymbol(moduleSymbol.exports["default"]); - if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { - error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); + function parseModifiers(permitInvalidConstAsModifier) { + var modifiers; + while (true) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token(); + if (token() === 75 && permitInvalidConstAsModifier) { + if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { + break; + } } - else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { - return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + else { + if (!parseAnyContextualModifier()) { + break; + } + } + var modifier = finishNode(createNode(modifierKind, modifierStart)); + if (!modifiers) { + modifiers = createNodeArray([modifier], modifierStart); + } + else { + modifiers.push(modifier); } - return exportDefaultSymbol; } - } - function getTargetOfNamespaceImport(node) { - var moduleSpecifier = node.parent.parent.moduleSpecifier; - return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); - } - function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { - if (valueSymbol.flags & (793064 | 1920)) { - return valueSymbol; + if (modifiers) { + modifiers.end = scanner.getStartPos(); } - var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); - result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); - result.parent = valueSymbol.parent || typeSymbol.parent; - if (valueSymbol.valueDeclaration) - result.valueDeclaration = valueSymbol.valueDeclaration; - if (typeSymbol.members) - result.members = typeSymbol.members; - if (valueSymbol.exports) - result.exports = valueSymbol.exports; - return result; + return modifiers; } - function getExportOfModule(symbol, name) { - if (symbol.flags & 1536) { - var exportedSymbol = getExportsOfSymbol(symbol)[name]; - if (exportedSymbol) { - return resolveSymbol(exportedSymbol); - } + function parseModifiersForArrowFunction() { + var modifiers; + if (token() === 119) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token(); + nextToken(); + var modifier = finishNode(createNode(modifierKind, modifierStart)); + modifiers = createNodeArray([modifier], modifierStart); + modifiers.end = scanner.getStartPos(); } + return modifiers; } - function getPropertyOfVariable(symbol, name) { - if (symbol.flags & 3) { - var typeAnnotation = symbol.valueDeclaration.type; - if (typeAnnotation) { - return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); - } + function parseClassElement() { + if (token() === 24) { + var result = createNode(199); + nextToken(); + return finishNode(result); } - } - function getExternalModuleMember(node, specifier) { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); - if (targetSymbol) { - var name_13 = specifier.propertyName || specifier.name; - if (name_13.text) { - if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { - return moduleSymbol; - } - var symbolFromVariable = void 0; - if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports["export="]) { - symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name_13.text); - } - else { - symbolFromVariable = getPropertyOfVariable(targetSymbol, name_13.text); - } - symbolFromVariable = resolveSymbol(symbolFromVariable); - var symbolFromModule = getExportOfModule(targetSymbol, name_13.text); - if (!symbolFromModule && allowSyntheticDefaultImports && name_13.text === "default") { - symbolFromModule = resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); - } - var symbol = symbolFromModule && symbolFromVariable ? - combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : - symbolFromModule || symbolFromVariable; - if (!symbol) { - error(name_13, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_13)); - } - return symbol; - } + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(true); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; } + if (token() === 122) { + return parseConstructorDeclaration(fullStart, decorators, modifiers); + } + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); + } + if (ts.tokenIsIdentifierOrKeyword(token()) || + token() === 9 || + token() === 8 || + token() === 38 || + token() === 20) { + return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); + } + if (decorators || modifiers) { + var name_13 = createMissingNode(70, true, ts.Diagnostics.Declaration_expected); + return parsePropertyDeclaration(fullStart, decorators, modifiers, name_13, undefined); + } + ts.Debug.fail("Should not have attempted to parse class member declaration."); } - function getTargetOfImportSpecifier(node) { - return getExternalModuleMember(node.parent.parent.parent, node); - } - function getTargetOfNamespaceExportDeclaration(node) { - return resolveExternalModuleSymbol(node.parent.symbol); - } - function getTargetOfExportSpecifier(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920); + function parseClassExpression() { + return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 193); } - function getTargetOfExportAssignment(node) { - return resolveEntityName(node.expression, 107455 | 793064 | 1920); + function parseClassDeclaration(fullStart, decorators, modifiers) { + return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 222); } - function getTargetOfAliasDeclaration(node) { - switch (node.kind) { - case 230: - return getTargetOfImportEqualsDeclaration(node); - case 232: - return getTargetOfImportClause(node); - case 233: - return getTargetOfNamespaceImport(node); - case 235: - return getTargetOfImportSpecifier(node); - case 239: - return getTargetOfExportSpecifier(node); - case 236: - return getTargetOfExportAssignment(node); - case 229: - return getTargetOfNamespaceExportDeclaration(node); + function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(74); + node.name = parseNameOfClassDeclarationOrExpression(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(); + if (parseExpected(16)) { + node.members = parseClassMembers(); + parseExpected(17); } + else { + node.members = createMissingList(); + } + return addJSDocComment(finishNode(node)); } - function resolveSymbol(symbol) { - return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793064 | 1920)) ? resolveAlias(symbol) : symbol; + function parseNameOfClassDeclarationOrExpression() { + return isIdentifier() && !isImplementsClause() + ? parseIdentifier() + : undefined; } - function resolveAlias(symbol) { - ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); - var links = getSymbolLinks(symbol); - if (!links.target) { - links.target = resolvingSymbol; - var node = getDeclarationOfAliasSymbol(symbol); - ts.Debug.assert(!!node); - var target = getTargetOfAliasDeclaration(node); - if (links.target === resolvingSymbol) { - links.target = target || unknownSymbol; - } - else { - error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); - } - } - else if (links.target === resolvingSymbol) { - links.target = unknownSymbol; - } - return links.target; + function isImplementsClause() { + return token() === 107 && lookAhead(nextTokenIsIdentifierOrKeyword); } - function markExportAsReferenced(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target) { - var markAlias = target === unknownSymbol || - ((target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); - if (markAlias) { - markAliasSymbolAsReferenced(symbol); - } + function parseHeritageClauses() { + if (isHeritageClause()) { + return parseList(20, parseHeritageClause); } + return undefined; } - function markAliasSymbolAsReferenced(symbol) { - var links = getSymbolLinks(symbol); - if (!links.referenced) { - links.referenced = true; - var node = getDeclarationOfAliasSymbol(symbol); - ts.Debug.assert(!!node); - if (node.kind === 236) { - checkExpressionCached(node.expression); - } - else if (node.kind === 239) { - checkExpressionCached(node.propertyName || node.name); - } - else if (ts.isInternalModuleImportEqualsDeclaration(node)) { - checkExpressionCached(node.moduleReference); - } + function parseHeritageClause() { + if (token() === 84 || token() === 107) { + var node = createNode(251); + node.token = token(); + nextToken(); + node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); + return finishNode(node); } + return undefined; } - function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, dontResolveAlias) { - if (entityName.kind === 70 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (entityName.kind === 70 || entityName.parent.kind === 140) { - return resolveEntityName(entityName, 1920, false, dontResolveAlias); - } - else { - ts.Debug.assert(entityName.parent.kind === 230); - return resolveEntityName(entityName, 107455 | 793064 | 1920, false, dontResolveAlias); + function parseExpressionWithTypeArguments() { + var node = createNode(195); + node.expression = parseLeftHandSideExpressionOrHigher(); + if (token() === 26) { + node.typeArguments = parseBracketedList(18, parseType, 26, 28); } + return finishNode(node); } - function getFullyQualifiedName(symbol) { - return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + function isHeritageClause() { + return token() === 84 || token() === 107; } - function resolveEntityName(name, meaning, ignoreErrors, dontResolveAlias, location) { - if (ts.nodeIsMissing(name)) { - return undefined; + function parseClassMembers() { + return parseList(5, parseClassElement); + } + function parseInterfaceDeclaration(fullStart, decorators, modifiers) { + var node = createNode(223, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(108); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(); + node.members = parseObjectTypeMembers(); + return addJSDocComment(finishNode(node)); + } + function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { + var node = createNode(224, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(135); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + parseExpected(57); + node.type = parseType(); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseEnumMember() { + var node = createNode(255, scanner.getStartPos()); + node.name = parsePropertyName(); + node.initializer = allowInAnd(parseNonParameterInitializer); + return addJSDocComment(finishNode(node)); + } + function parseEnumDeclaration(fullStart, decorators, modifiers) { + var node = createNode(225, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + parseExpected(82); + node.name = parseIdentifier(); + if (parseExpected(16)) { + node.members = parseDelimitedList(6, parseEnumMember); + parseExpected(17); } - var symbol; - if (name.kind === 70) { - var message = meaning === 1920 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; - symbol = resolveName(location || name, name.text, meaning, ignoreErrors ? undefined : message, name); - if (!symbol) { - return undefined; - } + else { + node.members = createMissingList(); } - else if (name.kind === 140 || name.kind === 173) { - var left = name.kind === 140 ? name.left : name.expression; - var right = name.kind === 140 ? name.right : name.name; - var namespace = resolveEntityName(left, 1920, ignoreErrors, false, location); - if (!namespace || ts.nodeIsMissing(right)) { - return undefined; - } - else if (namespace === unknownSymbol) { - return namespace; - } - symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); - if (!symbol) { - if (!ignoreErrors) { - error(right, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); - } - return undefined; - } + return addJSDocComment(finishNode(node)); + } + function parseModuleBlock() { + var node = createNode(227, scanner.getStartPos()); + if (parseExpected(16)) { + node.statements = parseList(1, parseStatement); + parseExpected(17); } else { - ts.Debug.fail("Unknown entity name kind."); + node.statements = createMissingList(); } - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - return (symbol.flags & meaning) || dontResolveAlias ? symbol : resolveAlias(symbol); - } - function resolveExternalModuleName(location, moduleReferenceExpression) { - return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + return finishNode(node); } - function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { - if (moduleReferenceExpression.kind !== 9) { - return; - } - var moduleReferenceLiteral = moduleReferenceExpression; - return resolveExternalModule(location, moduleReferenceLiteral.text, moduleNotFoundError, moduleReferenceLiteral); + function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { + var node = createNode(226, fullStart); + var namespaceFlag = flags & 16; + node.decorators = decorators; + node.modifiers = modifiers; + node.flags |= flags; + node.name = parseIdentifier(); + node.body = parseOptional(22) + ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 4 | namespaceFlag) + : parseModuleBlock(); + return addJSDocComment(finishNode(node)); } - function resolveExternalModule(location, moduleReference, moduleNotFoundError, errorNode) { - var moduleName = ts.escapeIdentifier(moduleReference); - if (moduleName === undefined) { - return; - } - var isRelative = ts.isExternalModuleNameRelative(moduleName); - if (!isRelative) { - var symbol = getSymbol(globals, '"' + moduleName + '"', 512); - if (symbol) { - return getMergedSymbol(symbol); - } + function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { + var node = createNode(226, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + if (token() === 138) { + node.name = parseIdentifier(); + node.flags |= 512; } - var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReference); - var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); - if (sourceFile) { - if (sourceFile.symbol) { - return getMergedSymbol(sourceFile.symbol); - } - if (moduleNotFoundError) { - error(errorNode, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); - } - return undefined; + else { + node.name = parseLiteralNode(true); } - if (patternAmbientModules) { - var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleName); - if (pattern) { - return getMergedSymbol(pattern.symbol); - } + if (token() === 16) { + node.body = parseModuleBlock(); } - if (moduleNotFoundError) { - var tsExtension = ts.tryExtractTypeScriptExtension(moduleName); - if (tsExtension) { - var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead; - error(errorNode, diag, tsExtension, ts.removeExtension(moduleName, tsExtension)); - } - else { - error(errorNode, moduleNotFoundError, moduleName); - } + else { + parseSemicolon(); } - return undefined; - } - function resolveExternalModuleSymbol(moduleSymbol) { - return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + return finishNode(node); } - function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { - var symbol = resolveExternalModuleSymbol(moduleSymbol); - if (symbol && !(symbol.flags & (1536 | 3))) { - error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); - symbol = undefined; + function parseModuleDeclaration(fullStart, decorators, modifiers) { + var flags = 0; + if (token() === 138) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); } - return symbol; + else if (parseOptional(127)) { + flags |= 16; + } + else { + parseExpected(126); + if (token() === 9) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + } + return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); } - function hasExportAssignmentSymbol(moduleSymbol) { - return moduleSymbol.exports["export="] !== undefined; + function isExternalModuleReference() { + return token() === 130 && + lookAhead(nextTokenIsOpenParen); } - function getExportsOfModuleAsArray(moduleSymbol) { - return symbolsToArray(getExportsOfModule(moduleSymbol)); + function nextTokenIsOpenParen() { + return nextToken() === 18; } - function getExportsOfSymbol(symbol) { - return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + function nextTokenIsSlash() { + return nextToken() === 40; } - function getExportsOfModule(moduleSymbol) { - var links = getSymbolLinks(moduleSymbol); - return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + function parseNamespaceExportDeclaration(fullStart, decorators, modifiers) { + var exportDeclaration = createNode(229, fullStart); + exportDeclaration.decorators = decorators; + exportDeclaration.modifiers = modifiers; + parseExpected(117); + parseExpected(127); + exportDeclaration.name = parseIdentifier(); + parseSemicolon(); + return finishNode(exportDeclaration); } - function extendExportSymbols(target, source, lookupTable, exportNode) { - for (var id in source) { - if (id !== "default" && !target[id]) { - target[id] = source[id]; - if (lookupTable && exportNode) { - lookupTable[id] = { - specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) - }; - } - } - else if (lookupTable && exportNode && id !== "default" && target[id] && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { - if (!lookupTable[id].exportsWithDuplicate) { - lookupTable[id].exportsWithDuplicate = [exportNode]; - } - else { - lookupTable[id].exportsWithDuplicate.push(exportNode); - } + function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { + parseExpected(90); + var afterImportPos = scanner.getStartPos(); + var identifier; + if (isIdentifier()) { + identifier = parseIdentifier(); + if (token() !== 25 && token() !== 137) { + var importEqualsDeclaration = createNode(230, fullStart); + importEqualsDeclaration.decorators = decorators; + importEqualsDeclaration.modifiers = modifiers; + importEqualsDeclaration.name = identifier; + parseExpected(57); + importEqualsDeclaration.moduleReference = parseModuleReference(); + parseSemicolon(); + return addJSDocComment(finishNode(importEqualsDeclaration)); } } - } - function getExportsForModule(moduleSymbol) { - var visitedSymbols = []; - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - return visit(moduleSymbol) || moduleSymbol.exports; - function visit(symbol) { - if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { - return; - } - visitedSymbols.push(symbol); - var symbols = ts.cloneMap(symbol.exports); - var exportStars = symbol.exports["__export"]; - if (exportStars) { - var nestedSymbols = ts.createMap(); - var lookupTable = ts.createMap(); - for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); - var exportedSymbols = visit(resolvedModule); - extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); - } - for (var id in lookupTable) { - var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; - if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || symbols[id]) { - continue; - } - for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { - var node = exportsWithDuplicate_1[_b]; - diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); - } - } - extendExportSymbols(symbols, nestedSymbols); - } - return symbols; + var importDeclaration = createNode(231, fullStart); + importDeclaration.decorators = decorators; + importDeclaration.modifiers = modifiers; + if (identifier || + token() === 38 || + token() === 16) { + importDeclaration.importClause = parseImportClause(identifier, afterImportPos); + parseExpected(137); } + importDeclaration.moduleSpecifier = parseModuleSpecifier(); + parseSemicolon(); + return finishNode(importDeclaration); } - function getMergedSymbol(symbol) { - var merged; - return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; - } - function getSymbolOfNode(node) { - return getMergedSymbol(node.symbol); + function parseImportClause(identifier, fullStart) { + var importClause = createNode(232, fullStart); + if (identifier) { + importClause.name = identifier; + } + if (!importClause.name || + parseOptional(25)) { + importClause.namedBindings = token() === 38 ? parseNamespaceImport() : parseNamedImportsOrExports(234); + } + return finishNode(importClause); } - function getParentOfSymbol(symbol) { - return getMergedSymbol(symbol.parent); + function parseModuleReference() { + return isExternalModuleReference() + ? parseExternalModuleReference() + : parseEntityName(false); } - function getExportSymbolOfValueSymbolIfExported(symbol) { - return symbol && (symbol.flags & 1048576) !== 0 - ? getMergedSymbol(symbol.exportSymbol) - : symbol; + function parseExternalModuleReference() { + var node = createNode(241); + parseExpected(130); + parseExpected(18); + node.expression = parseModuleSpecifier(); + parseExpected(19); + return finishNode(node); } - function symbolIsValue(symbol) { - if (symbol.flags & 16777216) { - return symbolIsValue(getSymbolLinks(symbol).target); - } - if (symbol.flags & 107455) { - return true; - } - if (symbol.flags & 8388608) { - return (resolveAlias(symbol).flags & 107455) !== 0; + function parseModuleSpecifier() { + if (token() === 9) { + var result = parseLiteralNode(); + internIdentifier(result.text); + return result; } - return false; - } - function findConstructorDeclaration(node) { - var members = node.members; - for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { - var member = members_1[_i]; - if (member.kind === 149 && ts.nodeIsPresent(member.body)) { - return member; - } + else { + return parseExpression(); } } - function createType(flags) { - var result = new Type(checker, flags); - typeCount++; - result.id = typeCount; - return result; + function parseNamespaceImport() { + var namespaceImport = createNode(233); + parseExpected(38); + parseExpected(117); + namespaceImport.name = parseIdentifier(); + return finishNode(namespaceImport); } - function createIntrinsicType(kind, intrinsicName) { - var type = createType(kind); - type.intrinsicName = intrinsicName; - return type; + function parseNamedImportsOrExports(kind) { + var node = createNode(kind); + node.elements = parseBracketedList(21, kind === 234 ? parseImportSpecifier : parseExportSpecifier, 16, 17); + return finishNode(node); } - function createBooleanType(trueFalseTypes) { - var type = getUnionType(trueFalseTypes); - type.flags |= 8; - type.intrinsicName = "boolean"; - return type; + function parseExportSpecifier() { + return parseImportOrExportSpecifier(239); } - function createObjectType(kind, symbol) { - var type = createType(kind); - type.symbol = symbol; - return type; + function parseImportSpecifier() { + return parseImportOrExportSpecifier(235); } - function isReservedMemberName(name) { - return name.charCodeAt(0) === 95 && - name.charCodeAt(1) === 95 && - name.charCodeAt(2) !== 95 && - name.charCodeAt(2) !== 64; + function parseImportOrExportSpecifier(kind) { + var node = createNode(kind); + var checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); + var checkIdentifierStart = scanner.getTokenPos(); + var checkIdentifierEnd = scanner.getTextPos(); + var identifierName = parseIdentifierName(); + if (token() === 117) { + node.propertyName = identifierName; + parseExpected(117); + checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier(); + checkIdentifierStart = scanner.getTokenPos(); + checkIdentifierEnd = scanner.getTextPos(); + node.name = parseIdentifierName(); + } + else { + node.name = identifierName; + } + if (kind === 235 && checkIdentifierIsKeyword) { + parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); + } + return finishNode(node); } - function getNamedMembers(members) { - var result; - for (var id in members) { - if (!isReservedMemberName(id)) { - if (!result) - result = []; - var symbol = members[id]; - if (symbolIsValue(symbol)) { - result.push(symbol); - } + function parseExportDeclaration(fullStart, decorators, modifiers) { + var node = createNode(237, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + if (parseOptional(38)) { + parseExpected(137); + node.moduleSpecifier = parseModuleSpecifier(); + } + else { + node.exportClause = parseNamedImportsOrExports(238); + if (token() === 137 || (token() === 9 && !scanner.hasPrecedingLineBreak())) { + parseExpected(137); + node.moduleSpecifier = parseModuleSpecifier(); } } - return result || emptyArray; - } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { - type.members = members; - type.properties = getNamedMembers(members); - type.callSignatures = callSignatures; - type.constructSignatures = constructSignatures; - if (stringIndexInfo) - type.stringIndexInfo = stringIndexInfo; - if (numberIndexInfo) - type.numberIndexInfo = numberIndexInfo; - return type; + parseSemicolon(); + return finishNode(node); } - function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { - return setObjectTypeMembers(createObjectType(2097152, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + function parseExportAssignment(fullStart, decorators, modifiers) { + var node = createNode(236, fullStart); + node.decorators = decorators; + node.modifiers = modifiers; + if (parseOptional(57)) { + node.isExportEquals = true; + } + else { + parseExpected(78); + } + node.expression = parseAssignmentExpressionOrHigher(); + parseSemicolon(); + return finishNode(node); } - function forEachSymbolTableInScope(enclosingDeclaration, callback) { - var result; - for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { - if (location_1.locals && !isGlobalSourceFile(location_1)) { - if (result = callback(location_1.locals)) { - return result; + function processReferenceComments(sourceFile) { + var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); + var referencedFiles = []; + var typeReferenceDirectives = []; + var amdDependencies = []; + var amdModuleName; + while (true) { + var kind = triviaScanner.scan(); + if (kind !== 2) { + if (ts.isTrivia(kind)) { + continue; + } + else { + break; } } - switch (location_1.kind) { - case 256: - if (!ts.isExternalOrCommonJsModule(location_1)) { - break; + var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; + var comment = sourceText.substring(range.pos, range.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); + if (referencePathMatchResult) { + var fileReference = referencePathMatchResult.fileReference; + sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var diagnosticMessage = referencePathMatchResult.diagnosticMessage; + if (fileReference) { + if (referencePathMatchResult.isTypeReferenceDirective) { + typeReferenceDirectives.push(fileReference); } - case 226: - if (result = callback(getSymbolOfNode(location_1).exports)) { - return result; + else { + referencedFiles.push(fileReference); } - break; - } - } - return callback(globals); - } - function getQualifiedLeftMeaning(rightMeaning) { - return rightMeaning === 107455 ? 107455 : 1920; - } - function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { - function getAccessibleSymbolChainFromSymbolTable(symbols) { - function canQualifySymbol(symbolFromSymbolTable, meaning) { - if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { - return true; } - var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); - return !!accessibleParent; - } - function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { - if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { - return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && - canQualifySymbol(symbolFromSymbolTable, meaning); + if (diagnosticMessage) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); } } - if (isAccessible(symbols[symbol.name])) { - return [symbol]; - } - return ts.forEachProperty(symbols, function (symbolFromSymbolTable) { - if (symbolFromSymbolTable.flags & 8388608 - && symbolFromSymbolTable.name !== "export=" - && !ts.getDeclarationOfKind(symbolFromSymbolTable, 239)) { - if (!useOnlyExternalAliasing || - ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { - var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); - if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { - return [symbolFromSymbolTable]; - } - var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; - if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { - return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); - } + else { + var amdModuleNameRegEx = /^\/\/\/\s*".length; + return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } } - var firstIdentifier = getFirstIdentifier(entityName); - var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); - return (symbol && hasVisibleDeclarations(symbol, true)) || { - accessibility: 1, - errorSymbolName: ts.getTextOfNode(firstIdentifier), - errorNode: firstIdentifier - }; - } - function writeKeyword(writer, kind) { - writer.writeKeyword(ts.tokenToString(kind)); - } - function writePunctuation(writer, kind) { - writer.writePunctuation(ts.tokenToString(kind)); - } - function writeSpace(writer) { - writer.writeSpace(" "); - } - function symbolToString(symbol, enclosingDeclaration, meaning) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function signatureToString(signature, enclosingDeclaration, flags, kind) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function typeToString(type, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; - if (maxLength && result.length >= maxLength) { - result = result.substr(0, maxLength - "...".length) + "..."; + function parseQualifiedName(left) { + var result = createNode(140, left.pos); + result.left = left; + result.right = parseIdentifierName(); + return finishNode(result); } - return result; - } - function typePredicateToString(typePredicate, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function formatUnionTypes(types) { - var result = []; - var flags = 0; - for (var i = 0; i < types.length; i++) { - var t = types[i]; - flags |= t.flags; - if (!(t.flags & 6144)) { - if (t.flags & (128 | 256)) { - var baseType = t.flags & 128 ? booleanType : t.baseType; - var count = baseType.types.length; - if (i + count <= types.length && types[i + count - 1] === baseType.types[count - 1]) { - result.push(baseType); - i += count - 1; - continue; - } - } - result.push(t); - } + function parseJSDocRecordType() { + var result = createNode(265); + result.literal = parseTypeLiteral(); + return finishNode(result); } - if (flags & 4096) - result.push(nullType); - if (flags & 2048) - result.push(undefinedType); - return result || types; - } - function visibilityToString(flags) { - if (flags === 8) { - return "private"; + function parseJSDocNonNullableType() { + var result = createNode(264); + nextToken(); + result.type = parseJSDocType(); + return finishNode(result); } - if (flags === 16) { - return "protected"; + function parseJSDocTupleType() { + var result = createNode(262); + nextToken(); + result.types = parseDelimitedList(25, parseJSDocType); + checkForTrailingComma(result.types); + parseExpected(21); + return finishNode(result); } - return "public"; - } - function getTypeAliasForTypeLiteral(type) { - if (type.symbol && type.symbol.flags & 2048) { - var node = type.symbol.declarations[0].parent; - while (node.kind === 165) { - node = node.parent; - } - if (node.kind === 224) { - return getSymbolOfNode(node); + function checkForTrailingComma(list) { + if (parseDiagnostics.length === 0 && list.hasTrailingComma) { + var start = list.end - ",".length; + parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); } } - return undefined; - } - function isTopLevelInExternalModuleAugmentation(node) { - return node && node.parent && - node.parent.kind === 227 && - ts.isExternalModuleAugmentation(node.parent.parent); - } - function literalTypeToString(type) { - return type.flags & 32 ? "\"" + ts.escapeString(type.text) + "\"" : type.text; - } - function getSymbolDisplayBuilder() { - function getNameOfSymbol(symbol) { - if (symbol.declarations && symbol.declarations.length) { - var declaration = symbol.declarations[0]; - if (declaration.name) { - return ts.declarationNameToString(declaration.name); - } - switch (declaration.kind) { - case 193: - return "(Anonymous class)"; - case 180: - case 181: - return "(Anonymous function)"; - } + function parseJSDocUnionType() { + var result = createNode(261); + nextToken(); + result.types = parseJSDocTypeList(parseJSDocType()); + parseExpected(19); + return finishNode(result); + } + function parseJSDocTypeList(firstType) { + ts.Debug.assert(!!firstType); + var types = createNodeArray([firstType], firstType.pos); + while (parseOptional(48)) { + types.push(parseJSDocType()); } - return symbol.name; + types.end = scanner.getStartPos(); + return types; } - function appendSymbolNameOnly(symbol, writer) { - writer.writeSymbol(getNameOfSymbol(symbol), symbol); + function parseJSDocAllType() { + var result = createNode(258); + nextToken(); + return finishNode(result); } - function appendPropertyOrElementAccessForSymbol(symbol, writer) { - var symbolName = getNameOfSymbol(symbol); - var firstChar = symbolName.charCodeAt(0); - var needsElementAccess = !ts.isIdentifierStart(firstChar, languageVersion); - if (needsElementAccess) { - writePunctuation(writer, 20); - if (ts.isSingleOrDoubleQuote(firstChar)) { - writer.writeStringLiteral(symbolName); - } - else { - writer.writeSymbol(symbolName, symbol); - } - writePunctuation(writer, 21); + function parseJSDocLiteralType() { + var result = createNode(282); + result.literal = parseLiteralTypeNode(); + return finishNode(result); + } + function parseJSDocUnknownOrNullableType() { + var pos = scanner.getStartPos(); + nextToken(); + if (token() === 25 || + token() === 17 || + token() === 19 || + token() === 28 || + token() === 57 || + token() === 48) { + var result = createNode(259, pos); + return finishNode(result); } else { - writePunctuation(writer, 22); - writer.writeSymbol(symbolName, symbol); + var result = createNode(263, pos); + result.type = parseJSDocType(); + return finishNode(result); } } - function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { - var parentSymbol; - function appendParentTypeArgumentsAndSymbolName(symbol) { - if (parentSymbol) { - if (flags & 1) { - if (symbol.flags & 16777216) { - buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); - } - else { - buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); - } + function parseIsolatedJSDocComment(content, start, length) { + initializeState(content, 4, undefined, 1); + sourceFile = { languageVariant: 0, text: content }; + var jsDoc = parseJSDocCommentWorker(start, length); + var diagnostics = parseDiagnostics; + clearState(); + return jsDoc ? { jsDoc: jsDoc, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocComment(parent, start, length) { + var saveToken = currentToken; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var comment = parseJSDocCommentWorker(start, length); + if (comment) { + comment.parent = parent; + } + currentToken = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + return comment; + } + JSDocParser.parseJSDocComment = parseJSDocComment; + function parseJSDocCommentWorker(start, length) { + var content = sourceText; + start = start || 0; + var end = length === undefined ? content.length : start + length; + length = end - start; + ts.Debug.assert(start >= 0); + ts.Debug.assert(start <= end); + ts.Debug.assert(end <= content.length); + var tags; + var comments = []; + var result; + if (!isJsDocStart(content, start)) { + return result; + } + scanner.scanRange(start + 3, length - 5, function () { + var advanceToken = true; + var state = 1; + var margin = undefined; + var indent = start - Math.max(content.lastIndexOf("\n", start), 0) + 4; + function pushComment(text) { + if (!margin) { + margin = indent; } - appendPropertyOrElementAccessForSymbol(symbol, writer); + comments.push(text); + indent += text.length; } - else { - appendSymbolNameOnly(symbol, writer); + nextJSDocToken(); + while (token() === 5) { + nextJSDocToken(); } - parentSymbol = symbol; - } - writer.trackSymbol(symbol, enclosingDeclaration, meaning); - function walkSymbol(symbol, meaning, endOfChain) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); - if (!accessibleSymbolChain || - needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { - var parent_8 = getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol); - if (parent_8) { - walkSymbol(parent_8, getQualifiedLeftMeaning(meaning), false); - } + if (token() === 4) { + state = 0; + nextJSDocToken(); } - if (accessibleSymbolChain) { - for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { - var accessibleSymbol = accessibleSymbolChain_1[_i]; - appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + while (token() !== 1) { + switch (token()) { + case 56: + if (state === 0 || state === 1) { + removeTrailingNewlines(comments); + parseTag(indent); + state = 0; + advanceToken = false; + margin = undefined; + indent++; + } + else { + pushComment(scanner.getTokenText()); + } + break; + case 4: + comments.push(scanner.getTokenText()); + state = 0; + indent = 0; + break; + case 38: + var asterisk = scanner.getTokenText(); + if (state === 1) { + state = 2; + pushComment(asterisk); + } + else { + state = 1; + indent += asterisk.length; + } + break; + case 70: + pushComment(scanner.getTokenText()); + state = 2; + break; + case 5: + var whitespace = scanner.getTokenText(); + if (state === 2 || margin !== undefined && indent + whitespace.length > margin) { + comments.push(whitespace.slice(margin - indent - 1)); + } + indent += whitespace.length; + break; + case 1: + break; + default: + pushComment(scanner.getTokenText()); + break; + } + if (advanceToken) { + nextJSDocToken(); + } + else { + advanceToken = true; } } - else if (endOfChain || - !(!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) && - !(symbol.flags & (2048 | 4096))) { - appendParentTypeArgumentsAndSymbolName(symbol); + removeLeadingNewlines(comments); + removeTrailingNewlines(comments); + result = createJSDocComment(); + }); + return result; + function removeLeadingNewlines(comments) { + while (comments.length && (comments[0] === "\n" || comments[0] === "\r")) { + comments.shift(); } } - var isTypeParameter = symbol.flags & 262144; - var typeFormatFlag = 128 & typeFlags; - if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { - walkSymbol(symbol, meaning, true); + function removeTrailingNewlines(comments) { + while (comments.length && (comments[comments.length - 1] === "\n" || comments[comments.length - 1] === "\r")) { + comments.pop(); + } } - else { - appendParentTypeArgumentsAndSymbolName(symbol); + function isJsDocStart(content, start) { + return content.charCodeAt(start) === 47 && + content.charCodeAt(start + 1) === 42 && + content.charCodeAt(start + 2) === 42 && + content.charCodeAt(start + 3) !== 42; } - } - function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { - var globalFlagsToPass = globalFlags & 16; - var inObjectTypeLiteral = false; - return writeType(type, globalFlags); - function writeType(type, flags) { - var nextFlags = flags & ~512; - if (type.flags & 16015) { - writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) - ? "any" - : type.intrinsicName); - } - else if (type.flags & 16384 && type.isThisType) { - if (inObjectTypeLiteral) { - writer.reportInaccessibleThisError(); - } - writer.writeKeyword("this"); - } - else if (type.flags & 131072) { - writeTypeReference(type, nextFlags); - } - else if (type.flags & 256) { - buildSymbolDisplay(getParentOfSymbol(type.symbol), writer, enclosingDeclaration, 793064, 0, nextFlags); - writePunctuation(writer, 22); - appendSymbolNameOnly(type.symbol, writer); - } - else if (type.flags & (32768 | 65536 | 16 | 16384)) { - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); - } - else if (!(flags & 512) && ((type.flags & 2097152 && !type.target) || type.flags & 1572864) && type.aliasSymbol && - isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { - var typeArguments = type.aliasTypeArguments; - writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); - } - else if (type.flags & 1572864) { - writeUnionOrIntersectionType(type, nextFlags); + function createJSDocComment() { + var result = createNode(273, start); + result.tags = tags; + result.comment = comments.length ? comments.join("") : undefined; + return finishNode(result, end); + } + function skipWhitespace() { + while (token() === 5 || token() === 4) { + nextJSDocToken(); } - else if (type.flags & 2097152) { - writeAnonymousType(type, nextFlags); + } + function parseTag(indent) { + ts.Debug.assert(token() === 56); + var atToken = createNode(56, scanner.getTokenPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifierName(); + skipWhitespace(); + if (!tagName) { + return; } - else if (type.flags & 96) { - writer.writeStringLiteral(literalTypeToString(type)); + var tag; + if (tagName) { + switch (tagName.text) { + case "param": + tag = parseParamTag(atToken, tagName); + break; + case "return": + case "returns": + tag = parseReturnTag(atToken, tagName); + break; + case "template": + tag = parseTemplateTag(atToken, tagName); + break; + case "type": + tag = parseTypeTag(atToken, tagName); + break; + case "typedef": + tag = parseTypedefTag(atToken, tagName); + break; + default: + tag = parseUnknownTag(atToken, tagName); + break; + } } else { - writePunctuation(writer, 16); - writeSpace(writer); - writePunctuation(writer, 23); - writeSpace(writer); - writePunctuation(writer, 17); + tag = parseUnknownTag(atToken, tagName); } - } - function writeTypeList(types, delimiter) { - for (var i = 0; i < types.length; i++) { - if (i > 0) { - if (delimiter !== 25) { - writeSpace(writer); - } - writePunctuation(writer, delimiter); - writeSpace(writer); - } - writeType(types[i], delimiter === 25 ? 0 : 64); + if (!tag) { + return; } + addTag(tag, parseTagComments(indent + tag.end - tag.pos)); } - function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { - if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { - buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793064, 0, flags); - } - if (pos < end) { - writePunctuation(writer, 26); - writeType(typeArguments[pos], 256); - pos++; - while (pos < end) { - writePunctuation(writer, 25); - writeSpace(writer); - writeType(typeArguments[pos], 0); - pos++; + function parseTagComments(indent) { + var comments = []; + var state = 1; + var margin; + function pushComment(text) { + if (!margin) { + margin = indent; } - writePunctuation(writer, 28); - } - } - function writeTypeReference(type, flags) { - var typeArguments = type.typeArguments || emptyArray; - if (type.target === globalArrayType && !(flags & 1)) { - writeType(typeArguments[0], 64); - writePunctuation(writer, 20); - writePunctuation(writer, 21); - } - else if (type.target.flags & 262144) { - writePunctuation(writer, 20); - writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 25); - writePunctuation(writer, 21); + comments.push(text); + indent += text.length; } - else { - var outerTypeParameters = type.target.outerTypeParameters; - var i = 0; - if (outerTypeParameters) { - var length_1 = outerTypeParameters.length; - while (i < length_1) { - var start = i; - var parent_9 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); - do { - i++; - } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_9); - if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { - writeSymbolTypeReference(parent_9, typeArguments, start, i, flags); - writePunctuation(writer, 22); + while (token() !== 56 && token() !== 1) { + switch (token()) { + case 4: + if (state >= 1) { + state = 0; + comments.push(scanner.getTokenText()); } - } + indent = 0; + break; + case 56: + break; + case 5: + if (state === 2) { + pushComment(scanner.getTokenText()); + } + else { + var whitespace = scanner.getTokenText(); + if (margin !== undefined && indent + whitespace.length > margin) { + comments.push(whitespace.slice(margin - indent - 1)); + } + indent += whitespace.length; + } + break; + case 38: + if (state === 0) { + state = 1; + indent += scanner.getTokenText().length; + break; + } + default: + state = 2; + pushComment(scanner.getTokenText()); + break; } - var typeParameterCount = (type.target.typeParameters || emptyArray).length; - writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + if (token() === 56) { + break; + } + nextJSDocToken(); } + removeLeadingNewlines(comments); + removeTrailingNewlines(comments); + return comments; } - function writeUnionOrIntersectionType(type, flags) { - if (flags & 64) { - writePunctuation(writer, 18); - } - if (type.flags & 524288) { - writeTypeList(formatUnionTypes(type.types), 48); + function parseUnknownTag(atToken, tagName) { + var result = createNode(274, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + return finishNode(result); + } + function addTag(tag, comments) { + tag.comment = comments.join(""); + if (!tags) { + tags = createNodeArray([tag], tag.pos); } else { - writeTypeList(type.types, 47); - } - if (flags & 64) { - writePunctuation(writer, 19); + tags.push(tag); } + tags.end = tag.end; } - function writeAnonymousType(type, flags) { - var symbol = type.symbol; - if (symbol) { - if (symbol.flags & (32 | 384 | 512)) { - writeTypeOfSymbol(type, flags); - } - else if (shouldWriteTypeOfFunctionSymbol()) { - writeTypeOfSymbol(type, flags); - } - else if (ts.contains(symbolStack, symbol)) { - var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { - buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags); - } - else { - writeKeyword(writer, 118); - } + function tryParseTypeExpression() { + return tryParse(function () { + skipWhitespace(); + if (token() !== 16) { + return undefined; } - else { - if (!symbolStack) { - symbolStack = []; - } - symbolStack.push(symbol); - writeLiteralType(type, flags); - symbolStack.pop(); + return parseJSDocTypeExpression(); + }); + } + function parseParamTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name; + var isBracketed; + if (parseOptionalToken(20)) { + name = parseJSDocIdentifierName(); + skipWhitespace(); + isBracketed = true; + if (parseOptionalToken(57)) { + parseExpression(); } + parseExpected(21); + } + else if (ts.tokenIsIdentifierOrKeyword(token())) { + name = parseJSDocIdentifierName(); + } + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var preName, postName; + if (typeExpression) { + postName = name; } else { - writeLiteralType(type, flags); + preName = name; } - function shouldWriteTypeOfFunctionSymbol() { - var isStaticMethodSymbol = !!(symbol.flags & 8192 && - ts.forEach(symbol.declarations, function (declaration) { return ts.getModifierFlags(declaration) & 32; })); - var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && - (symbol.parent || - ts.forEach(symbol.declarations, function (declaration) { - return declaration.parent.kind === 256 || declaration.parent.kind === 227; - })); - if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { - return !!(flags & 2) || - (ts.contains(symbolStack, symbol)); - } + if (!typeExpression) { + typeExpression = tryParseTypeExpression(); } + var result = createNode(275, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.preParameterName = preName; + result.typeExpression = typeExpression; + result.postParameterName = postName; + result.parameterName = postName || preName; + result.isBracketed = isBracketed; + return finishNode(result); } - function writeTypeOfSymbol(type, typeFormatFlags) { - writeKeyword(writer, 102); - writeSpace(writer); - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); - } - function writeIndexSignature(info, keyword) { - if (info) { - if (info.isReadonly) { - writeKeyword(writer, 129); - writeSpace(writer); - } - writePunctuation(writer, 20); - writer.writeParameter(info.declaration ? ts.declarationNameToString(info.declaration.parameters[0].name) : "x"); - writePunctuation(writer, 55); - writeSpace(writer); - writeKeyword(writer, keyword); - writePunctuation(writer, 21); - writePunctuation(writer, 55); - writeSpace(writer); - writeType(info.type, 0); - writePunctuation(writer, 24); - writer.writeLine(); + function parseReturnTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 276; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } + var result = createNode(276, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); } - function writePropertyWithModifiers(prop) { - if (isReadonlySymbol(prop)) { - writeKeyword(writer, 129); - writeSpace(writer); - } - buildSymbolDisplay(prop, writer); - if (prop.flags & 536870912) { - writePunctuation(writer, 54); + function parseTypeTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 277; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } + var result = createNode(277, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); } - function shouldAddParenthesisAroundFunctionType(callSignature, flags) { - if (flags & 64) { - return true; - } - else if (flags & 256) { - var typeParameters = callSignature.target && (flags & 32) ? - callSignature.target.typeParameters : callSignature.typeParameters; - return typeParameters && typeParameters.length !== 0; + function parsePropertyTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name = parseJSDocIdentifierName(); + skipWhitespace(); + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; } - return false; + var result = createNode(280, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.name = name; + result.typeExpression = typeExpression; + return finishNode(result); } - function writeLiteralType(type, flags) { - var resolved = resolveStructuredTypeMembers(type); - if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { - if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { - writePunctuation(writer, 16); - writePunctuation(writer, 17); - return; + function parseTypedefTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var typedefTag = createNode(279, atToken.pos); + typedefTag.atToken = atToken; + typedefTag.tagName = tagName; + typedefTag.fullName = parseJSDocTypeNameWithNamespace(0); + if (typedefTag.fullName) { + var rightNode = typedefTag.fullName; + while (rightNode.kind !== 70) { + rightNode = rightNode.body; } - if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { - var parenthesizeSignature = shouldAddParenthesisAroundFunctionType(resolved.callSignatures[0], flags); - if (parenthesizeSignature) { - writePunctuation(writer, 18); - } - buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (parenthesizeSignature) { - writePunctuation(writer, 19); + typedefTag.name = rightNode; + } + typedefTag.typeExpression = typeExpression; + skipWhitespace(); + if (typeExpression) { + if (typeExpression.type.kind === 267) { + var jsDocTypeReference = typeExpression.type; + if (jsDocTypeReference.name.kind === 70) { + var name_14 = jsDocTypeReference.name; + if (name_14.text === "Object") { + typedefTag.jsDocTypeLiteral = scanChildTags(); + } } - return; } - if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { - if (flags & 64) { - writePunctuation(writer, 18); - } - writeKeyword(writer, 93); - writeSpace(writer); - buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (flags & 64) { - writePunctuation(writer, 19); - } - return; + if (!typedefTag.jsDocTypeLiteral) { + typedefTag.jsDocTypeLiteral = typeExpression.type; } } - var saveInObjectTypeLiteral = inObjectTypeLiteral; - inObjectTypeLiteral = true; - writePunctuation(writer, 16); - writer.writeLine(); - writer.increaseIndent(); - for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { - var signature = _a[_i]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 24); - writer.writeLine(); + else { + typedefTag.jsDocTypeLiteral = scanChildTags(); } - for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { - var signature = _c[_b]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); - writePunctuation(writer, 24); - writer.writeLine(); + return finishNode(typedefTag); + function scanChildTags() { + var jsDocTypeLiteral = createNode(281, scanner.getStartPos()); + var resumePos = scanner.getStartPos(); + var canParseTag = true; + var seenAsterisk = false; + var parentTagTerminated = false; + while (token() !== 1 && !parentTagTerminated) { + nextJSDocToken(); + switch (token()) { + case 56: + if (canParseTag) { + parentTagTerminated = !tryParseChildTag(jsDocTypeLiteral); + if (!parentTagTerminated) { + resumePos = scanner.getStartPos(); + } + } + seenAsterisk = false; + break; + case 4: + resumePos = scanner.getStartPos() - 1; + canParseTag = true; + seenAsterisk = false; + break; + case 38: + if (seenAsterisk) { + canParseTag = false; + } + seenAsterisk = true; + break; + case 70: + canParseTag = false; + case 1: + break; + } + } + scanner.setTextPos(resumePos); + return finishNode(jsDocTypeLiteral); } - writeIndexSignature(resolved.stringIndexInfo, 133); - writeIndexSignature(resolved.numberIndexInfo, 131); - for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { - var signatures = getSignaturesOfType(t, 0); - for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { - var signature = signatures_1[_f]; - writePropertyWithModifiers(p); - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 24); - writer.writeLine(); + function parseJSDocTypeNameWithNamespace(flags) { + var pos = scanner.getTokenPos(); + var typeNameOrNamespaceName = parseJSDocIdentifierName(); + if (typeNameOrNamespaceName && parseOptional(22)) { + var jsDocNamespaceNode = createNode(226, pos); + jsDocNamespaceNode.flags |= flags; + jsDocNamespaceNode.name = typeNameOrNamespaceName; + jsDocNamespaceNode.body = parseJSDocTypeNameWithNamespace(4); + return jsDocNamespaceNode; + } + if (typeNameOrNamespaceName && flags & 4) { + typeNameOrNamespaceName.isInJSDocNamespace = true; + } + return typeNameOrNamespaceName; + } + } + function tryParseChildTag(parentTag) { + ts.Debug.assert(token() === 56); + var atToken = createNode(56, scanner.getStartPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifierName(); + skipWhitespace(); + if (!tagName) { + return false; + } + switch (tagName.text) { + case "type": + if (parentTag.jsDocTypeTag) { + return false; + } + parentTag.jsDocTypeTag = parseTypeTag(atToken, tagName); + return true; + case "prop": + case "property": + var propertyTag = parsePropertyTag(atToken, tagName); + if (propertyTag) { + if (!parentTag.jsDocPropertyTags) { + parentTag.jsDocPropertyTags = []; + } + parentTag.jsDocPropertyTags.push(propertyTag); + return true; } + return false; + } + return false; + } + function parseTemplateTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 278; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var typeParameters = createNodeArray(); + while (true) { + var name_15 = parseJSDocIdentifierName(); + skipWhitespace(); + if (!name_15) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var typeParameter = createNode(142, name_15.pos); + typeParameter.name = name_15; + finishNode(typeParameter); + typeParameters.push(typeParameter); + if (token() === 25) { + nextJSDocToken(); + skipWhitespace(); } else { - writePropertyWithModifiers(p); - writePunctuation(writer, 55); - writeSpace(writer); - writeType(t, 0); - writePunctuation(writer, 24); - writer.writeLine(); + break; } } - writer.decreaseIndent(); - writePunctuation(writer, 17); - inObjectTypeLiteral = saveInObjectTypeLiteral; + var result = createNode(278, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeParameters = typeParameters; + finishNode(result); + typeParameters.end = result.end; + return result; } - } - function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { - var targetSymbol = getTargetSymbol(symbol); - if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { - buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + function nextJSDocToken() { + return currentToken = scanner.scanJSDocToken(); } - } - function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { - appendSymbolNameOnly(tp.symbol, writer); - var constraint = getConstraintOfTypeParameter(tp); - if (constraint) { - writeSpace(writer); - writeKeyword(writer, 84); - writeSpace(writer); - buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + function parseJSDocIdentifierName() { + return createJSDocIdentifier(ts.tokenIsIdentifierOrKeyword(token())); + } + function createJSDocIdentifier(isIdentifier) { + if (!isIdentifier) { + parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); + return undefined; + } + var pos = scanner.getTokenPos(); + var end = scanner.getTextPos(); + var result = createNode(70, pos); + result.text = content.substring(pos, end); + finishNode(result, end); + nextJSDocToken(); + return result; } } - function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { - var parameterNode = p.valueDeclaration; - if (ts.isRestParameter(parameterNode)) { - writePunctuation(writer, 23); + JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; + })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); + })(Parser || (Parser = {})); + var IncrementalParser; + (function (IncrementalParser) { + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); + checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); + if (ts.textChangeRangeIsUnchanged(textChangeRange)) { + return sourceFile; + } + if (sourceFile.statements.length === 0) { + return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true, sourceFile.scriptKind); + } + var incrementalSourceFile = sourceFile; + ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); + incrementalSourceFile.hasBeenIncrementallyParsed = true; + var oldText = sourceFile.text; + var syntaxCursor = createSyntaxCursor(sourceFile); + var changeRange = extendToAffectedRange(sourceFile, textChangeRange); + checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); + ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); + ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); + ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); + var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; + updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); + var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true, sourceFile.scriptKind); + return result; + } + IncrementalParser.updateSourceFile = updateSourceFile; + function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { + if (isArray) { + visitArray(element); + } + else { + visitNode(element); + } + return; + function visitNode(node) { + var text = ""; + if (aggressiveChecks && shouldCheckNode(node)) { + text = oldText.substring(node.pos, node.end); } - if (ts.isBindingPattern(parameterNode.name)) { - buildBindingPatternDisplay(parameterNode.name, writer, enclosingDeclaration, flags, symbolStack); + if (node._children) { + node._children = undefined; } - else { - appendSymbolNameOnly(p, writer); + node.pos += delta; + node.end += delta; + if (aggressiveChecks && shouldCheckNode(node)) { + ts.Debug.assert(text === newText.substring(node.pos, node.end)); } - if (isOptionalParameter(parameterNode)) { - writePunctuation(writer, 54); + forEachChild(node, visitNode, visitArray); + if (node.jsDocComments) { + for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + forEachChild(jsDocComment, visitNode, visitArray); + } } - writePunctuation(writer, 55); - writeSpace(writer); - buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); + checkNodePositions(node, aggressiveChecks); } - function buildBindingPatternDisplay(bindingPattern, writer, enclosingDeclaration, flags, symbolStack) { - if (bindingPattern.kind === 168) { - writePunctuation(writer, 16); - buildDisplayForCommaSeparatedList(bindingPattern.elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); - writePunctuation(writer, 17); - } - else if (bindingPattern.kind === 169) { - writePunctuation(writer, 20); - var elements = bindingPattern.elements; - buildDisplayForCommaSeparatedList(elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); - if (elements && elements.hasTrailingComma) { - writePunctuation(writer, 25); - } - writePunctuation(writer, 21); + function visitArray(array) { + array._children = undefined; + array.pos += delta; + array.end += delta; + for (var _i = 0, array_9 = array; _i < array_9.length; _i++) { + var node = array_9[_i]; + visitNode(node); } } - function buildBindingElementDisplay(bindingElement, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isOmittedExpression(bindingElement)) { + } + function shouldCheckNode(node) { + switch (node.kind) { + case 9: + case 8: + case 70: + return true; + } + return false; + } + function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { + ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); + ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); + ts.Debug.assert(element.pos <= element.end); + element.pos = Math.min(element.pos, changeRangeNewEnd); + if (element.end >= changeRangeOldEnd) { + element.end += delta; + } + else { + element.end = Math.min(element.end, changeRangeNewEnd); + } + ts.Debug.assert(element.pos <= element.end); + if (element.parent) { + ts.Debug.assert(element.pos >= element.parent.pos); + ts.Debug.assert(element.end <= element.parent.end); + } + } + function checkNodePositions(node, aggressiveChecks) { + if (aggressiveChecks) { + var pos_2 = node.pos; + forEachChild(node, function (child) { + ts.Debug.assert(child.pos >= pos_2); + pos_2 = child.end; + }); + ts.Debug.assert(pos_2 <= node.end); + } + } + function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { + visitNode(sourceFile); + return; + function visitNode(child) { + ts.Debug.assert(child.pos <= child.end); + if (child.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); return; } - ts.Debug.assert(bindingElement.kind === 170); - if (bindingElement.propertyName) { - writer.writeSymbol(ts.getTextOfNode(bindingElement.propertyName), bindingElement.symbol); - writePunctuation(writer, 55); - writeSpace(writer); + var fullEnd = child.end; + if (fullEnd >= changeStart) { + child.intersectsChange = true; + child._children = undefined; + adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + forEachChild(child, visitNode, visitArray); + checkNodePositions(child, aggressiveChecks); + return; } - if (ts.isBindingPattern(bindingElement.name)) { - buildBindingPatternDisplay(bindingElement.name, writer, enclosingDeclaration, flags, symbolStack); + ts.Debug.assert(fullEnd < changeStart); + } + function visitArray(array) { + ts.Debug.assert(array.pos <= array.end); + if (array.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); + return; } - else { - if (bindingElement.dotDotDotToken) { - writePunctuation(writer, 23); + var fullEnd = array.end; + if (fullEnd >= changeStart) { + array.intersectsChange = true; + array._children = undefined; + adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + for (var _i = 0, array_10 = array; _i < array_10.length; _i++) { + var node = array_10[_i]; + visitNode(node); } - appendSymbolNameOnly(bindingElement.symbol, writer); + return; } + ts.Debug.assert(fullEnd < changeStart); } - function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 26); - buildDisplayForCommaSeparatedList(typeParameters, writer, function (p) { return buildTypeParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack); }); - writePunctuation(writer, 28); - } + } + function extendToAffectedRange(sourceFile, changeRange) { + var maxLookahead = 1; + var start = changeRange.span.start; + for (var i = 0; start > 0 && i <= maxLookahead; i++) { + var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); + ts.Debug.assert(nearestNode.pos <= start); + var position = nearestNode.pos; + start = Math.max(0, position - 1); } - function buildDisplayForCommaSeparatedList(list, writer, action) { - for (var i = 0; i < list.length; i++) { - if (i > 0) { - writePunctuation(writer, 25); - writeSpace(writer); - } - action(list[i]); + var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); + var finalLength = changeRange.newLength + (changeRange.span.start - start); + return ts.createTextChangeRange(finalSpan, finalLength); + } + function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { + var bestResult = sourceFile; + var lastNodeEntirelyBeforePosition; + forEachChild(sourceFile, visit); + if (lastNodeEntirelyBeforePosition) { + var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); + if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { + bestResult = lastChildOfLastEntireNodeBeforePosition; } } - function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 26); - var flags = 256; - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 25); - writeSpace(writer); - flags = 0; - } - buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, flags); + return bestResult; + function getLastChild(node) { + while (true) { + var lastChild = getLastChildWorker(node); + if (lastChild) { + node = lastChild; } - writePunctuation(writer, 28); - } - } - function buildDisplayForParametersAndDelimiters(thisParameter, parameters, writer, enclosingDeclaration, flags, symbolStack) { - writePunctuation(writer, 18); - if (thisParameter) { - buildParameterDisplay(thisParameter, writer, enclosingDeclaration, flags, symbolStack); - } - for (var i = 0; i < parameters.length; i++) { - if (i > 0 || thisParameter) { - writePunctuation(writer, 25); - writeSpace(writer); + else { + return node; } - buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 19); - } - function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isIdentifierTypePredicate(predicate)) { - writer.writeParameter(predicate.parameterName); - } - else { - writeKeyword(writer, 98); } - writeSpace(writer); - writeKeyword(writer, 125); - writeSpace(writer); - buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); } - function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { - if (flags & 8) { - writeSpace(writer); - writePunctuation(writer, 35); - } - else { - writePunctuation(writer, 55); - } - writeSpace(writer); - if (signature.typePredicate) { - buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); - } - else { - var returnType = getReturnTypeOfSignature(signature); - buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); - } + function getLastChildWorker(node) { + var last = undefined; + forEachChild(node, function (child) { + if (ts.nodeIsPresent(child)) { + last = child; + } + }); + return last; } - function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { - if (kind === 1) { - writeKeyword(writer, 93); - writeSpace(writer); + function visit(child) { + if (ts.nodeIsMissing(child)) { + return; } - if (signature.target && (flags & 32)) { - buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + if (child.pos <= position) { + if (child.pos >= bestResult.pos) { + bestResult = child; + } + if (position < child.end) { + forEachChild(child, visit); + return true; + } + else { + ts.Debug.assert(child.end <= position); + lastNodeEntirelyBeforePosition = child; + } } else { - buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); + ts.Debug.assert(child.pos > position); + return true; } - buildDisplayForParametersAndDelimiters(signature.thisParameter, signature.parameters, writer, enclosingDeclaration, flags, symbolStack); - buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); } - return _displayBuilder || (_displayBuilder = { - buildSymbolDisplay: buildSymbolDisplay, - buildTypeDisplay: buildTypeDisplay, - buildTypeParameterDisplay: buildTypeParameterDisplay, - buildTypePredicateDisplay: buildTypePredicateDisplay, - buildParameterDisplay: buildParameterDisplay, - buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, - buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, - buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, - buildSignatureDisplay: buildSignatureDisplay, - buildReturnTypeDisplay: buildReturnTypeDisplay - }); } - function isDeclarationVisible(node) { - if (node) { - var links = getNodeLinks(node); - if (links.isVisible === undefined) { - links.isVisible = !!determineIfDeclarationIsVisible(); - } - return links.isVisible; - } - return false; - function determineIfDeclarationIsVisible() { - switch (node.kind) { - case 170: - return isDeclarationVisible(node.parent.parent); - case 219: - if (ts.isBindingPattern(node.name) && - !node.name.elements.length) { - return false; - } - case 226: - case 222: - case 223: - case 224: - case 221: - case 225: - case 230: - if (ts.isExternalModuleAugmentation(node)) { - return true; - } - var parent_10 = getDeclarationContainer(node); - if (!(ts.getCombinedModifierFlags(node) & 1) && - !(node.kind !== 230 && parent_10.kind !== 256 && ts.isInAmbientContext(parent_10))) { - return isGlobalSourceFile(parent_10); - } - return isDeclarationVisible(parent_10); - case 146: - case 145: - case 150: - case 151: - case 148: - case 147: - if (ts.getModifierFlags(node) & (8 | 16)) { - return false; - } - case 149: - case 153: - case 152: - case 154: - case 143: - case 227: - case 157: - case 158: - case 160: - case 156: - case 161: - case 162: - case 163: - case 164: - case 165: - return isDeclarationVisible(node.parent); - case 232: - case 233: - case 235: - return false; - case 142: - case 256: - case 229: - return true; - case 236: - return false; - default: - return false; + function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { + var oldText = sourceFile.text; + if (textChangeRange) { + ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); + if (aggressiveChecks || ts.Debug.shouldAssert(3)) { + var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); + var newTextPrefix = newText.substr(0, textChangeRange.span.start); + ts.Debug.assert(oldTextPrefix === newTextPrefix); + var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); + var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); + ts.Debug.assert(oldTextSuffix === newTextSuffix); } } } - function collectLinkedAliases(node) { - var exportSymbol; - if (node.parent && node.parent.kind === 236) { - exportSymbol = resolveName(node.parent, node.text, 107455 | 793064 | 1920 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); - } - else if (node.parent.kind === 239) { - var exportSpecifier = node.parent; - exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? - getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : - resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793064 | 1920 | 8388608); - } - var result = []; - if (exportSymbol) { - buildVisibleNodeList(exportSymbol.declarations); - } - return result; - function buildVisibleNodeList(declarations) { - ts.forEach(declarations, function (declaration) { - getNodeLinks(declaration).isVisible = true; - var resultNode = getAnyImportSyntax(declaration) || declaration; - if (!ts.contains(result, resultNode)) { - result.push(resultNode); - } - if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { - var internalModuleReference = declaration.moduleReference; - var firstIdentifier = getFirstIdentifier(internalModuleReference); - var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793064 | 1920, undefined, undefined); - if (importSymbol) { - buildVisibleNodeList(importSymbol.declarations); + function createSyntaxCursor(sourceFile) { + var currentArray = sourceFile.statements; + var currentArrayIndex = 0; + ts.Debug.assert(currentArrayIndex < currentArray.length); + var current = currentArray[currentArrayIndex]; + var lastQueriedPosition = -1; + return { + currentNode: function (position) { + if (position !== lastQueriedPosition) { + if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { + currentArrayIndex++; + current = currentArray[currentArrayIndex]; + } + if (!current || current.pos !== position) { + findHighestListElementThatStartsAtPosition(position); } } - }); - } - } - function pushTypeResolution(target, propertyName) { - var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); - if (resolutionCycleStartIndex >= 0) { - var length_2 = resolutionTargets.length; - for (var i = resolutionCycleStartIndex; i < length_2; i++) { - resolutionResults[i] = false; + lastQueriedPosition = position; + ts.Debug.assert(!current || current.pos === position); + return current; } - return false; - } - resolutionTargets.push(target); - resolutionResults.push(true); - resolutionPropertyNames.push(propertyName); - return true; - } - function findResolutionCycleStartIndex(target, propertyName) { - for (var i = resolutionTargets.length - 1; i >= 0; i--) { - if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { - return -1; + }; + function findHighestListElementThatStartsAtPosition(position) { + currentArray = undefined; + currentArrayIndex = -1; + current = undefined; + forEachChild(sourceFile, visitNode, visitArray); + return; + function visitNode(node) { + if (position >= node.pos && position < node.end) { + forEachChild(node, visitNode, visitArray); + return true; + } + return false; } - if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { - return i; + function visitArray(array) { + if (position >= array.pos && position < array.end) { + for (var i = 0, n = array.length; i < n; i++) { + var child = array[i]; + if (child) { + if (child.pos === position) { + currentArray = array; + currentArrayIndex = i; + current = child; + return true; + } + else { + if (child.pos < position && position < child.end) { + forEachChild(child, visitNode, visitArray); + return true; + } + } + } + } + } + return false; } } - return -1; } - function hasType(target, propertyName) { - if (propertyName === 0) { - return getSymbolLinks(target).type; - } - if (propertyName === 2) { - return getSymbolLinks(target).declaredType; - } - if (propertyName === 1) { - ts.Debug.assert(!!(target.flags & 32768)); - return target.resolvedBaseConstructorType; - } - if (propertyName === 3) { - return target.resolvedReturnType; - } - ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); + })(IncrementalParser || (IncrementalParser = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function getModuleInstanceState(node) { + if (node.kind === 223 || node.kind === 224) { + return 0; } - function popTypeResolution() { - resolutionTargets.pop(); - resolutionPropertyNames.pop(); - return resolutionResults.pop(); + else if (ts.isConstEnumDeclaration(node)) { + return 2; } - function getDeclarationContainer(node) { - node = ts.getRootDeclaration(node); - while (node) { - switch (node.kind) { - case 219: - case 220: - case 235: - case 234: - case 233: - case 232: - node = node.parent; - break; - default: - return node.parent; - } - } + else if ((node.kind === 231 || node.kind === 230) && !(ts.hasModifier(node, 1))) { + return 0; } - function getTypeOfPrototypeProperty(prototype) { - var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); - return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; + else if (node.kind === 227) { + var state_1 = 0; + ts.forEachChild(node, function (n) { + switch (getModuleInstanceState(n)) { + case 0: + return false; + case 2: + state_1 = 2; + return false; + case 1: + state_1 = 1; + return true; + } + }); + return state_1; } - function getTypeOfPropertyOfType(type, name) { - var prop = getPropertyOfType(type, name); - return prop ? getTypeOfSymbol(prop) : undefined; + else if (node.kind === 226) { + var body = node.body; + return body ? getModuleInstanceState(body) : 1; } - function isTypeAny(type) { - return type && (type.flags & 1) !== 0; + else if (node.kind === 70 && node.isInJSDocNamespace) { + return 0; } - function isTypeNever(type) { - return type && (type.flags & 8192) !== 0; + else { + return 1; } - function getTypeForBindingElementParent(node) { - var symbol = getSymbolOfNode(node); - return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node, false); + } + ts.getModuleInstanceState = getModuleInstanceState; + var binder = createBinder(); + function bindSourceFile(file, options) { + ts.performance.mark("beforeBind"); + binder(file, options); + ts.performance.mark("afterBind"); + ts.performance.measure("Bind", "beforeBind", "afterBind"); + } + ts.bindSourceFile = bindSourceFile; + function createBinder() { + var file; + var options; + var languageVersion; + var parent; + var container; + var blockScopeContainer; + var lastContainer; + var seenThisKeyword; + var currentFlow; + var currentBreakTarget; + var currentContinueTarget; + var currentReturnTarget; + var currentTrueTarget; + var currentFalseTarget; + var preSwitchCaseFlow; + var activeLabels; + var hasExplicitReturn; + var emitFlags; + var inStrictMode; + var symbolCount = 0; + var Symbol; + var classifiableNames; + var unreachableFlow = { flags: 1 }; + var reportedUnreachableFlow = { flags: 1 }; + var subtreeTransformFlags = 0; + var skipTransformFlagAggregation; + function bindSourceFile(f, opts) { + file = f; + options = opts; + languageVersion = ts.getEmitScriptTarget(options); + inStrictMode = bindInStrictMode(file, opts); + classifiableNames = ts.createMap(); + symbolCount = 0; + skipTransformFlagAggregation = ts.isDeclarationFile(file); + Symbol = ts.objectAllocator.getSymbolConstructor(); + if (!file.locals) { + bind(file); + file.symbolCount = symbolCount; + file.classifiableNames = classifiableNames; + } + file = undefined; + options = undefined; + languageVersion = undefined; + parent = undefined; + container = undefined; + blockScopeContainer = undefined; + lastContainer = undefined; + seenThisKeyword = false; + currentFlow = undefined; + currentBreakTarget = undefined; + currentContinueTarget = undefined; + currentReturnTarget = undefined; + currentTrueTarget = undefined; + currentFalseTarget = undefined; + activeLabels = undefined; + hasExplicitReturn = false; + emitFlags = 0; + subtreeTransformFlags = 0; } - function getTextOfPropertyName(name) { - switch (name.kind) { - case 70: - return name.text; - case 9: - case 8: - return name.text; - case 141: - if (ts.isStringOrNumericLiteral(name.expression.kind)) { - return name.expression.text; - } + return bindSourceFile; + function bindInStrictMode(file, opts) { + if (opts.alwaysStrict && !ts.isDeclarationFile(file)) { + return true; + } + else { + return !!file.externalModuleIndicator; } - return undefined; } - function isComputedNonLiteralName(name) { - return name.kind === 141 && !ts.isStringOrNumericLiteral(name.expression.kind); + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); } - function getTypeForBindingElement(declaration) { - var pattern = declaration.parent; - var parentType = getTypeForBindingElementParent(pattern.parent); - if (parentType === unknownType) { - return unknownType; + function addDeclarationToSymbol(symbol, node, symbolFlags) { + symbol.flags |= symbolFlags; + node.symbol = symbol; + if (!symbol.declarations) { + symbol.declarations = []; } - if (!parentType || isTypeAny(parentType)) { - if (declaration.initializer) { - return checkDeclarationInitializer(declaration); - } - return parentType; + symbol.declarations.push(node); + if (symbolFlags & 1952 && !symbol.exports) { + symbol.exports = ts.createMap(); } - var type; - if (pattern.kind === 168) { - var name_14 = declaration.propertyName || declaration.name; - if (isComputedNonLiteralName(name_14)) { - return anyType; + if (symbolFlags & 6240 && !symbol.members) { + symbol.members = ts.createMap(); + } + if (symbolFlags & 107455) { + var valueDeclaration = symbol.valueDeclaration; + if (!valueDeclaration || + (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 226)) { + symbol.valueDeclaration = node; } - if (declaration.initializer) { - getContextualType(declaration.initializer); + } + } + function getDeclarationName(node) { + if (node.name) { + if (ts.isAmbientModule(node)) { + return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; } - var text = getTextOfPropertyName(name_14); - type = getTypeOfPropertyOfType(parentType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || - getIndexTypeOfType(parentType, 0); - if (!type) { - error(name_14, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_14)); - return unknownType; + if (node.name.kind === 141) { + var nameExpression = node.name.expression; + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); + return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); } + return node.name.text; } - else { - var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); - if (!declaration.dotDotDotToken) { - var propName = "" + ts.indexOf(pattern.elements, declaration); - type = isTupleLikeType(parentType) - ? getTypeOfPropertyOfType(parentType, propName) - : elementType; - if (!type) { - if (isTupleType(parentType)) { - error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), getTypeReferenceArity(parentType), pattern.elements.length); - } - else { - error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + switch (node.kind) { + case 149: + return "__constructor"; + case 157: + case 152: + return "__call"; + case 158: + case 153: + return "__new"; + case 154: + return "__index"; + case 237: + return "__export"; + case 236: + return node.isExportEquals ? "export=" : "default"; + case 188: + switch (ts.getSpecialPropertyAssignmentKind(node)) { + case 2: + return "export="; + case 1: + case 4: + return node.left.name.text; + case 3: + return node.left.expression.name.text; + } + ts.Debug.fail("Unknown binary declaration kind"); + break; + case 221: + case 222: + return ts.hasModifier(node, 512) ? "default" : undefined; + case 269: + return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; + case 143: + ts.Debug.assert(node.parent.kind === 269); + var functionType = node.parent; + var index = ts.indexOf(functionType.parameters, node); + return "arg" + index; + case 279: + var parentNode = node.parent && node.parent.parent; + var nameFromParentNode = void 0; + if (parentNode && parentNode.kind === 201) { + if (parentNode.declarationList.declarations.length > 0) { + var nameIdentifier = parentNode.declarationList.declarations[0].name; + if (nameIdentifier.kind === 70) { + nameFromParentNode = nameIdentifier.text; + } } - return unknownType; } - } - else { - type = createArrayType(elementType); - } - } - if (strictNullChecks && declaration.initializer && !(getFalsyFlags(checkExpressionCached(declaration.initializer)) & 2048)) { - type = getTypeWithFacts(type, 131072); + return nameFromParentNode; } - return declaration.initializer ? - getUnionType([type, checkExpressionCached(declaration.initializer)], true) : - type; } - function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (jsDocType) { - return getTypeFromTypeNode(jsDocType); - } + function getDisplayName(node) { + return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); } - function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var typeTag = ts.getJSDocTypeTag(declaration); - if (typeTag && typeTag.typeExpression) { - return typeTag.typeExpression.type; + function declareSymbol(symbolTable, parent, node, includes, excludes) { + ts.Debug.assert(!ts.hasDynamicName(node)); + var isDefaultExport = ts.hasModifier(node, 512); + var name = isDefaultExport && parent ? "default" : getDeclarationName(node); + var symbol; + if (name === undefined) { + symbol = createSymbol(0, "__missing"); } - if (declaration.kind === 219 && - declaration.parent.kind === 220 && - declaration.parent.parent.kind === 201) { - var annotation = ts.getJSDocTypeTag(declaration.parent.parent); - if (annotation && annotation.typeExpression) { - return annotation.typeExpression.type; + else { + symbol = symbolTable[name] || (symbolTable[name] = createSymbol(0, name)); + if (name && (includes & 788448)) { + classifiableNames[name] = name; } - } - else if (declaration.kind === 143) { - var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type; + if (symbol.flags & excludes) { + if (symbol.isReplaceableByMethod) { + symbol = symbolTable[name] = createSymbol(0, name); + } + else { + if (node.name) { + node.name.parent = node; + } + var message_1 = symbol.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + if (symbol.declarations && symbol.declarations.length) { + if (isDefaultExport) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + else { + if (symbol.declarations && symbol.declarations.length && + (isDefaultExport || (node.kind === 236 && !node.isExportEquals))) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + } + } + ts.forEach(symbol.declarations, function (declaration) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); + }); + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); + symbol = createSymbol(0, name); + } } } - return undefined; - } - function isNullOrUndefined(node) { - var expr = ts.skipParentheses(node); - return expr.kind === 94 || expr.kind === 70 && getResolvedSymbol(expr) === undefinedSymbol; - } - function isEmptyArrayLiteral(node) { - var expr = ts.skipParentheses(node); - return expr.kind === 171 && expr.elements.length === 0; - } - function addOptionality(type, optional) { - return strictNullChecks && optional ? includeFalsyTypes(type, 2048) : type; + addDeclarationToSymbol(symbol, node, includes); + symbol.parent = parent; + return symbol; } - function getTypeForVariableLikeDeclaration(declaration, includeOptionality) { - if (declaration.flags & 1048576) { - var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; + function declareModuleMember(node, symbolFlags, symbolExcludes) { + var hasExportModifier = ts.getCombinedModifierFlags(node) & 1; + if (symbolFlags & 8388608) { + if (node.kind === 239 || (node.kind === 230 && hasExportModifier)) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } } - if (declaration.parent.parent.kind === 208) { - return stringType; - } - if (declaration.parent.parent.kind === 209) { - return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; + else { + var isJSDocTypedefInJSDocNamespace = node.kind === 279 && + node.name && + node.name.kind === 70 && + node.name.isInJSDocNamespace; + if ((!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32)) || isJSDocTypedefInJSDocNamespace) { + var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | + (symbolFlags & 793064 ? 2097152 : 0) | + (symbolFlags & 1920 ? 4194304 : 0); + var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); + local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + node.localSymbol = local; + return local; + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } } - if (ts.isBindingPattern(declaration.parent)) { - return getTypeForBindingElement(declaration); + } + function bindContainer(node, containerFlags) { + var saveContainer = container; + var savedBlockScopeContainer = blockScopeContainer; + if (containerFlags & 1) { + container = blockScopeContainer = node; + if (containerFlags & 32) { + container.locals = ts.createMap(); + } + addToContainerChain(container); } - if (declaration.type) { - return addOptionality(getTypeFromTypeNode(declaration.type), declaration.questionToken && includeOptionality); + else if (containerFlags & 2) { + blockScopeContainer = node; + blockScopeContainer.locals = undefined; } - if (declaration.kind === 219 && !ts.isBindingPattern(declaration.name) && - !(ts.getCombinedModifierFlags(declaration) & 1) && !ts.isInAmbientContext(declaration)) { - if (!(ts.getCombinedNodeFlags(declaration) & 2) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) { - return autoType; - } - if (declaration.initializer && isEmptyArrayLiteral(declaration.initializer)) { - return autoArrayType; + if (containerFlags & 4) { + var saveCurrentFlow = currentFlow; + var saveBreakTarget = currentBreakTarget; + var saveContinueTarget = currentContinueTarget; + var saveReturnTarget = currentReturnTarget; + var saveActiveLabels = activeLabels; + var saveHasExplicitReturn = hasExplicitReturn; + var isIIFE = containerFlags & 16 && !!ts.getImmediatelyInvokedFunctionExpression(node); + if (isIIFE) { + currentReturnTarget = createBranchLabel(); } - } - if (declaration.kind === 143) { - var func = declaration.parent; - if (func.kind === 151 && !ts.hasDynamicName(func)) { - var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 150); - if (getter) { - var getterSignature = getSignatureFromDeclaration(getter); - var thisParameter = getAccessorThisParameter(func); - if (thisParameter && declaration === thisParameter) { - ts.Debug.assert(!thisParameter.type); - return getTypeOfSymbol(getterSignature.thisParameter); - } - return getReturnTypeOfSignature(getterSignature); + else { + currentFlow = { flags: 2 }; + if (containerFlags & (16 | 128)) { + currentFlow.container = node; } + currentReturnTarget = undefined; } - var type = void 0; - if (declaration.symbol.name === "this") { - type = getContextualThisParameterType(func); + currentBreakTarget = undefined; + currentContinueTarget = undefined; + activeLabels = undefined; + hasExplicitReturn = false; + bindChildren(node); + node.flags &= ~32128; + if (!(currentFlow.flags & 1) && containerFlags & 8 && ts.nodeIsPresent(node.body)) { + node.flags |= 128; + if (hasExplicitReturn) + node.flags |= 256; } - else { - type = getContextuallyTypedParameterType(declaration); + if (node.kind === 256) { + node.flags |= emitFlags; } - if (type) { - return addOptionality(type, declaration.questionToken && includeOptionality); + if (isIIFE) { + addAntecedent(currentReturnTarget, currentFlow); + currentFlow = finishFlowLabel(currentReturnTarget); } + else { + currentFlow = saveCurrentFlow; + } + currentBreakTarget = saveBreakTarget; + currentContinueTarget = saveContinueTarget; + currentReturnTarget = saveReturnTarget; + activeLabels = saveActiveLabels; + hasExplicitReturn = saveHasExplicitReturn; } - if (declaration.initializer) { - var type = checkDeclarationInitializer(declaration); - return addOptionality(type, declaration.questionToken && includeOptionality); - } - if (declaration.kind === 254) { - return checkIdentifier(declaration.name); + else if (containerFlags & 64) { + seenThisKeyword = false; + bindChildren(node); + node.flags = seenThisKeyword ? node.flags | 64 : node.flags & ~64; } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, false, true); + else { + bindChildren(node); } - return undefined; + container = saveContainer; + blockScopeContainer = savedBlockScopeContainer; } - function getTypeFromBindingElement(element, includePatternInType, reportErrors) { - if (element.initializer) { - return checkDeclarationInitializer(element); + function bindChildren(node) { + if (skipTransformFlagAggregation) { + bindChildrenWorker(node); } - if (ts.isBindingPattern(element.name)) { - return getTypeFromBindingPattern(element.name, includePatternInType, reportErrors); + else if (node.transformFlags & 536870912) { + skipTransformFlagAggregation = true; + bindChildrenWorker(node); + skipTransformFlagAggregation = false; } - if (reportErrors && compilerOptions.noImplicitAny && !declarationBelongsToPrivateAmbientMember(element)) { - reportImplicitAnyError(element, anyType); + else { + var savedSubtreeTransformFlags = subtreeTransformFlags; + subtreeTransformFlags = 0; + bindChildrenWorker(node); + subtreeTransformFlags = savedSubtreeTransformFlags | computeTransformFlagsForNode(node, subtreeTransformFlags); } - return anyType; } - function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) { - var members = ts.createMap(); - var hasComputedProperties = false; - ts.forEach(pattern.elements, function (e) { - var name = e.propertyName || e.name; - if (isComputedNonLiteralName(name)) { - hasComputedProperties = true; - return; - } - var text = getTextOfPropertyName(name); - var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); - var symbol = createSymbol(flags, text); - symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors); - symbol.bindingElement = e; - members[symbol.name] = symbol; - }); - var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); - if (includePatternInType) { - result.pattern = pattern; - } - if (hasComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + function bindChildrenWorker(node) { + if (ts.isInJavaScriptFile(node) && node.jsDocComments) { + ts.forEach(node.jsDocComments, bind); } - return result; - } - function getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors) { - var elements = pattern.elements; - var lastElement = ts.lastOrUndefined(elements); - if (elements.length === 0 || (!ts.isOmittedExpression(lastElement) && lastElement.dotDotDotToken)) { - return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; + if (checkUnreachable(node)) { + ts.forEachChild(node, bind); + return; } - var elementTypes = ts.map(elements, function (e) { return ts.isOmittedExpression(e) ? anyType : getTypeFromBindingElement(e, includePatternInType, reportErrors); }); - var result = createTupleType(elementTypes); - if (includePatternInType) { - result = cloneTypeReference(result); - result.pattern = pattern; + switch (node.kind) { + case 206: + bindWhileStatement(node); + break; + case 205: + bindDoStatement(node); + break; + case 207: + bindForStatement(node); + break; + case 208: + case 209: + bindForInOrForOfStatement(node); + break; + case 204: + bindIfStatement(node); + break; + case 212: + case 216: + bindReturnOrThrow(node); + break; + case 211: + case 210: + bindBreakOrContinueStatement(node); + break; + case 217: + bindTryStatement(node); + break; + case 214: + bindSwitchStatement(node); + break; + case 228: + bindCaseBlock(node); + break; + case 249: + bindCaseClause(node); + break; + case 215: + bindLabeledStatement(node); + break; + case 186: + bindPrefixUnaryExpressionFlow(node); + break; + case 187: + bindPostfixUnaryExpressionFlow(node); + break; + case 188: + bindBinaryExpressionFlow(node); + break; + case 182: + bindDeleteExpressionFlow(node); + break; + case 189: + bindConditionalExpressionFlow(node); + break; + case 219: + bindVariableDeclarationFlow(node); + break; + case 175: + bindCallExpressionFlow(node); + break; + default: + ts.forEachChild(node, bind); + break; } - return result; } - function getTypeFromBindingPattern(pattern, includePatternInType, reportErrors) { - return pattern.kind === 168 - ? getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) - : getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors); - } - function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { - var type = getTypeForVariableLikeDeclaration(declaration, true); - if (type) { - if (reportErrors) { - reportErrorsFromWidening(declaration, type); - } - if (declaration.kind === 253) { - return type; - } - return getWidenedType(type); - } - type = declaration.dotDotDotToken ? anyArrayType : anyType; - if (reportErrors && compilerOptions.noImplicitAny) { - if (!declarationBelongsToPrivateAmbientMember(declaration)) { - reportImplicitAnyError(declaration, type); - } + function isNarrowingExpression(expr) { + switch (expr.kind) { + case 70: + case 98: + case 173: + return isNarrowableReference(expr); + case 175: + return hasNarrowableArgument(expr); + case 179: + return isNarrowingExpression(expr.expression); + case 188: + return isNarrowingBinaryExpression(expr); + case 186: + return expr.operator === 50 && isNarrowingExpression(expr.operand); } - return type; + return false; } - function declarationBelongsToPrivateAmbientMember(declaration) { - var root = ts.getRootDeclaration(declaration); - var memberDeclaration = root.kind === 143 ? root.parent : root; - return isPrivateWithinAmbient(memberDeclaration); + function isNarrowableReference(expr) { + return expr.kind === 70 || + expr.kind === 98 || + expr.kind === 173 && isNarrowableReference(expr.expression); } - function getTypeOfVariableOrParameterOrProperty(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (symbol.flags & 134217728) { - return links.type = getTypeOfPrototypeProperty(symbol); - } - var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 252) { - return links.type = anyType; - } - if (declaration.kind === 236) { - return links.type = checkExpression(declaration.expression); - } - if (declaration.flags & 1048576 && declaration.kind === 280 && declaration.typeExpression) { - return links.type = getTypeFromTypeNode(declaration.typeExpression.type); - } - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var type = void 0; - if (declaration.kind === 188 || - declaration.kind === 173 && declaration.parent.kind === 188) { - if (declaration.flags & 1048576) { - var typeTag = ts.getJSDocTypeTag(declaration.parent); - if (typeTag && typeTag.typeExpression) { - return links.type = getTypeFromTypeNode(typeTag.typeExpression.type); - } - } - var declaredTypes = ts.map(symbol.declarations, function (decl) { return decl.kind === 188 ? - checkExpressionCached(decl.right) : - checkExpressionCached(decl.parent.right); }); - type = getUnionType(declaredTypes, true); - } - else { - type = getWidenedTypeForVariableLikeDeclaration(declaration, true); - } - if (!popTypeResolution()) { - if (symbol.valueDeclaration.type) { - type = unknownType; - error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); - } - else { - type = anyType; - if (compilerOptions.noImplicitAny) { - error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); - } + function hasNarrowableArgument(expr) { + if (expr.arguments) { + for (var _i = 0, _a = expr.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (isNarrowableReference(argument)) { + return true; } } - links.type = type; } - return links.type; - } - function getAnnotatedAccessorType(accessor) { - if (accessor) { - if (accessor.kind === 150) { - return accessor.type && getTypeFromTypeNode(accessor.type); - } - else { - var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); - return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); - } + if (expr.expression.kind === 173 && + isNarrowableReference(expr.expression.expression)) { + return true; } - return undefined; + return false; } - function getAnnotatedAccessorThisParameter(accessor) { - var parameter = getAccessorThisParameter(accessor); - return parameter && parameter.symbol; + function isNarrowingTypeofOperands(expr1, expr2) { + return expr1.kind === 183 && isNarrowableOperand(expr1.expression) && expr2.kind === 9; } - function getThisTypeOfDeclaration(declaration) { - return getThisTypeOfSignature(getSignatureFromDeclaration(declaration)); + function isNarrowingBinaryExpression(expr) { + switch (expr.operatorToken.kind) { + case 57: + return isNarrowableReference(expr.left); + case 31: + case 32: + case 33: + case 34: + return isNarrowableOperand(expr.left) || isNarrowableOperand(expr.right) || + isNarrowingTypeofOperands(expr.right, expr.left) || isNarrowingTypeofOperands(expr.left, expr.right); + case 92: + return isNarrowableOperand(expr.left); + case 25: + return isNarrowingExpression(expr.right); + } + return false; } - function getTypeOfAccessors(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var getter = ts.getDeclarationOfKind(symbol, 150); - var setter = ts.getDeclarationOfKind(symbol, 151); - if (getter && getter.flags & 1048576) { - var jsDocType = getTypeForVariableLikeDeclarationFromJSDocComment(getter); - if (jsDocType) { - return links.type = jsDocType; - } - } - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var type = void 0; - var getterReturnType = getAnnotatedAccessorType(getter); - if (getterReturnType) { - type = getterReturnType; - } - else { - var setterParameterType = getAnnotatedAccessorType(setter); - if (setterParameterType) { - type = setterParameterType; - } - else { - if (getter && getter.body) { - type = getReturnTypeFromBody(getter); - } - else { - if (compilerOptions.noImplicitAny) { - if (setter) { - error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation, symbolToString(symbol)); - } - else { - ts.Debug.assert(!!getter, "there must existed getter as we are current checking either setter or getter in this function"); - error(getter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation, symbolToString(symbol)); - } - } - type = anyType; - } - } - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var getter_1 = ts.getDeclarationOfKind(symbol, 150); - error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); + function isNarrowableOperand(expr) { + switch (expr.kind) { + case 179: + return isNarrowableOperand(expr.expression); + case 188: + switch (expr.operatorToken.kind) { + case 57: + return isNarrowableOperand(expr.left); + case 25: + return isNarrowableOperand(expr.right); } - } - links.type = type; } - return links.type; + return isNarrowableReference(expr); } - function getTypeOfFuncClassEnumModule(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (symbol.valueDeclaration.kind === 226 && ts.isShorthandAmbientModuleSymbol(symbol)) { - links.type = anyType; - } - else { - var type = createObjectType(2097152, symbol); - links.type = strictNullChecks && symbol.flags & 536870912 ? - includeFalsyTypes(type, 2048) : type; - } - } - return links.type; + function createBranchLabel() { + return { + flags: 4, + antecedents: undefined + }; } - function getTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = getDeclaredTypeOfEnumMember(symbol); - } - return links.type; + function createLoopLabel() { + return { + flags: 8, + antecedents: undefined + }; } - function getTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var targetSymbol = resolveAlias(symbol); - links.type = targetSymbol.flags & 107455 - ? getTypeOfSymbol(targetSymbol) - : unknownType; - } - return links.type; + function setFlowNodeReferenced(flow) { + flow.flags |= flow.flags & 512 ? 1024 : 512; } - function getTypeOfInstantiatedSymbol(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + function addAntecedent(label, antecedent) { + if (!(antecedent.flags & 1) && !ts.contains(label.antecedents, antecedent)) { + (label.antecedents || (label.antecedents = [])).push(antecedent); + setFlowNodeReferenced(antecedent); } - return links.type; } - function getTypeOfSymbol(symbol) { - if (symbol.flags & 16777216) { - return getTypeOfInstantiatedSymbol(symbol); - } - if (symbol.flags & (3 | 4)) { - return getTypeOfVariableOrParameterOrProperty(symbol); + function createFlowCondition(flags, antecedent, expression) { + if (antecedent.flags & 1) { + return antecedent; } - if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { - return getTypeOfFuncClassEnumModule(symbol); + if (!expression) { + return flags & 32 ? antecedent : unreachableFlow; } - if (symbol.flags & 8) { - return getTypeOfEnumMember(symbol); + if (expression.kind === 100 && flags & 64 || + expression.kind === 85 && flags & 32) { + return unreachableFlow; } - if (symbol.flags & 98304) { - return getTypeOfAccessors(symbol); + if (!isNarrowingExpression(expression)) { + return antecedent; } - if (symbol.flags & 8388608) { - return getTypeOfAlias(symbol); + setFlowNodeReferenced(antecedent); + return { + flags: flags, + expression: expression, + antecedent: antecedent + }; + } + function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) { + if (!isNarrowingExpression(switchStatement.expression)) { + return antecedent; } - return unknownType; + setFlowNodeReferenced(antecedent); + return { + flags: 128, + switchStatement: switchStatement, + clauseStart: clauseStart, + clauseEnd: clauseEnd, + antecedent: antecedent + }; } - function getTargetType(type) { - return type.flags & 131072 ? type.target : type; + function createFlowAssignment(antecedent, node) { + setFlowNodeReferenced(antecedent); + return { + flags: 16, + antecedent: antecedent, + node: node + }; } - function hasBaseType(type, checkBase) { - return check(type); - function check(type) { - var target = getTargetType(type); - return target === checkBase || ts.forEach(getBaseTypes(target), check); + function createFlowArrayMutation(antecedent, node) { + setFlowNodeReferenced(antecedent); + return { + flags: 256, + antecedent: antecedent, + node: node + }; + } + function finishFlowLabel(flow) { + var antecedents = flow.antecedents; + if (!antecedents) { + return unreachableFlow; + } + if (antecedents.length === 1) { + return antecedents[0]; } + return flow; } - function appendTypeParameters(typeParameters, declarations) { - for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { - var declaration = declarations_2[_i]; - var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); - if (!typeParameters) { - typeParameters = [tp]; - } - else if (!ts.contains(typeParameters, tp)) { - typeParameters.push(tp); - } + function isStatementCondition(node) { + var parent = node.parent; + switch (parent.kind) { + case 204: + case 206: + case 205: + return parent.expression === node; + case 207: + case 189: + return parent.condition === node; } - return typeParameters; + return false; } - function appendOuterTypeParameters(typeParameters, node) { + function isLogicalExpression(node) { while (true) { - node = node.parent; - if (!node) { - return typeParameters; + if (node.kind === 179) { + node = node.expression; } - if (node.kind === 222 || node.kind === 193 || - node.kind === 221 || node.kind === 180 || - node.kind === 148 || node.kind === 181) { - var declarations = node.typeParameters; - if (declarations) { - return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); - } + else if (node.kind === 186 && node.operator === 50) { + node = node.operand; + } + else { + return node.kind === 188 && (node.operatorToken.kind === 52 || + node.operatorToken.kind === 53); } } } - function getOuterTypeParametersOfClassOrInterface(symbol) { - var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 223); - return appendOuterTypeParameters(undefined, declaration); + function isTopLevelLogicalExpression(node) { + while (node.parent.kind === 179 || + node.parent.kind === 186 && + node.parent.operator === 50) { + node = node.parent; + } + return !isStatementCondition(node) && !isLogicalExpression(node.parent); } - function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { - var result; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - if (node.kind === 223 || node.kind === 222 || - node.kind === 193 || node.kind === 224) { - var declaration = node; - if (declaration.typeParameters) { - result = appendTypeParameters(result, declaration.typeParameters); - } - } + function bindCondition(node, trueTarget, falseTarget) { + var saveTrueTarget = currentTrueTarget; + var saveFalseTarget = currentFalseTarget; + currentTrueTarget = trueTarget; + currentFalseTarget = falseTarget; + bind(node); + currentTrueTarget = saveTrueTarget; + currentFalseTarget = saveFalseTarget; + if (!node || !isLogicalExpression(node)) { + addAntecedent(trueTarget, createFlowCondition(32, currentFlow, node)); + addAntecedent(falseTarget, createFlowCondition(64, currentFlow, node)); } - return result; } - function getTypeParametersOfClassOrInterface(symbol) { - return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); + function bindIterativeStatement(node, breakTarget, continueTarget) { + var saveBreakTarget = currentBreakTarget; + var saveContinueTarget = currentContinueTarget; + currentBreakTarget = breakTarget; + currentContinueTarget = continueTarget; + bind(node); + currentBreakTarget = saveBreakTarget; + currentContinueTarget = saveContinueTarget; } - function isConstructorType(type) { - return type.flags & 2588672 && getSignaturesOfType(type, 1).length > 0; + function bindWhileStatement(node) { + var preWhileLabel = createLoopLabel(); + var preBodyLabel = createBranchLabel(); + var postWhileLabel = createBranchLabel(); + addAntecedent(preWhileLabel, currentFlow); + currentFlow = preWhileLabel; + bindCondition(node.expression, preBodyLabel, postWhileLabel); + currentFlow = finishFlowLabel(preBodyLabel); + bindIterativeStatement(node.statement, postWhileLabel, preWhileLabel); + addAntecedent(preWhileLabel, currentFlow); + currentFlow = finishFlowLabel(postWhileLabel); } - function getBaseTypeNodeOfClass(type) { - return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); + function bindDoStatement(node) { + var preDoLabel = createLoopLabel(); + var preConditionLabel = createBranchLabel(); + var postDoLabel = createBranchLabel(); + addAntecedent(preDoLabel, currentFlow); + currentFlow = preDoLabel; + bindIterativeStatement(node.statement, postDoLabel, preConditionLabel); + addAntecedent(preConditionLabel, currentFlow); + currentFlow = finishFlowLabel(preConditionLabel); + bindCondition(node.expression, preDoLabel, postDoLabel); + currentFlow = finishFlowLabel(postDoLabel); } - function getConstructorsForTypeArguments(type, typeArgumentNodes) { - var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; - return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); + function bindForStatement(node) { + var preLoopLabel = createLoopLabel(); + var preBodyLabel = createBranchLabel(); + var postLoopLabel = createBranchLabel(); + bind(node.initializer); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = preLoopLabel; + bindCondition(node.condition, preBodyLabel, postLoopLabel); + currentFlow = finishFlowLabel(preBodyLabel); + bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); + bind(node.incrementor); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = finishFlowLabel(postLoopLabel); } - function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { - var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); - if (typeArgumentNodes) { - var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); - signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + function bindForInOrForOfStatement(node) { + var preLoopLabel = createLoopLabel(); + var postLoopLabel = createBranchLabel(); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = preLoopLabel; + bind(node.expression); + addAntecedent(postLoopLabel, currentFlow); + bind(node.initializer); + if (node.initializer.kind !== 220) { + bindAssignmentTargetFlow(node.initializer); } - return signatures; + bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel); + addAntecedent(preLoopLabel, currentFlow); + currentFlow = finishFlowLabel(postLoopLabel); } - function getBaseConstructorTypeOfClass(type) { - if (!type.resolvedBaseConstructorType) { - var baseTypeNode = getBaseTypeNodeOfClass(type); - if (!baseTypeNode) { - return type.resolvedBaseConstructorType = undefinedType; - } - if (!pushTypeResolution(type, 1)) { - return unknownType; - } - var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 2588672) { - resolveStructuredTypeMembers(baseConstructorType); - } - if (!popTypeResolution()) { - error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); - return type.resolvedBaseConstructorType = unknownType; - } - if (baseConstructorType !== unknownType && baseConstructorType !== nullWideningType && !isConstructorType(baseConstructorType)) { - error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); - return type.resolvedBaseConstructorType = unknownType; + function bindIfStatement(node) { + var thenLabel = createBranchLabel(); + var elseLabel = createBranchLabel(); + var postIfLabel = createBranchLabel(); + bindCondition(node.expression, thenLabel, elseLabel); + currentFlow = finishFlowLabel(thenLabel); + bind(node.thenStatement); + addAntecedent(postIfLabel, currentFlow); + currentFlow = finishFlowLabel(elseLabel); + bind(node.elseStatement); + addAntecedent(postIfLabel, currentFlow); + currentFlow = finishFlowLabel(postIfLabel); + } + function bindReturnOrThrow(node) { + bind(node.expression); + if (node.kind === 212) { + hasExplicitReturn = true; + if (currentReturnTarget) { + addAntecedent(currentReturnTarget, currentFlow); } - type.resolvedBaseConstructorType = baseConstructorType; } - return type.resolvedBaseConstructorType; + currentFlow = unreachableFlow; } - function getBaseTypes(type) { - if (!type.resolvedBaseTypes) { - if (type.flags & 262144) { - type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))]; - } - else if (type.symbol.flags & (32 | 64)) { - if (type.symbol.flags & 32) { - resolveBaseTypesOfClass(type); - } - if (type.symbol.flags & 64) { - resolveBaseTypesOfInterface(type); + function findActiveLabel(name) { + if (activeLabels) { + for (var _i = 0, activeLabels_1 = activeLabels; _i < activeLabels_1.length; _i++) { + var label = activeLabels_1[_i]; + if (label.name === name) { + return label; } } - else { - ts.Debug.fail("type must be class or interface"); - } } - return type.resolvedBaseTypes; + return undefined; } - function resolveBaseTypesOfClass(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 2588672)) { - return; - } - var baseTypeNode = getBaseTypeNodeOfClass(type); - var baseType; - var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; - if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && - areAllOuterTypeParametersApplied(originalBaseType)) { - baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); + function bindbreakOrContinueFlow(node, breakTarget, continueTarget) { + var flowLabel = node.kind === 211 ? breakTarget : continueTarget; + if (flowLabel) { + addAntecedent(flowLabel, currentFlow); + currentFlow = unreachableFlow; } - else { - var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); - if (!constructors.length) { - error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); - return; + } + function bindBreakOrContinueStatement(node) { + bind(node.label); + if (node.label) { + var activeLabel = findActiveLabel(node.label.text); + if (activeLabel) { + activeLabel.referenced = true; + bindbreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget); } - baseType = getReturnTypeOfSignature(constructors[0]); - } - if (baseType === unknownType) { - return; - } - if (!(getTargetType(baseType).flags & (32768 | 65536))) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); - return; - } - if (type === baseType || hasBaseType(baseType, type)) { - error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - return; - } - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; } else { - type.resolvedBaseTypes.push(baseType); - } - } - function areAllOuterTypeParametersApplied(type) { - var outerTypeParameters = type.outerTypeParameters; - if (outerTypeParameters) { - var last = outerTypeParameters.length - 1; - var typeArguments = type.typeArguments; - return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + bindbreakOrContinueFlow(node, currentBreakTarget, currentContinueTarget); } - return true; } - function resolveBaseTypesOfInterface(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 223 && ts.getInterfaceBaseTypeNodes(declaration)) { - for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { - var node = _c[_b]; - var baseType = getTypeFromTypeNode(node); - if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (32768 | 65536)) { - if (type !== baseType && !hasBaseType(baseType, type)) { - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - else { - error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - } - } - else { - error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); - } - } - } - } + function bindTryStatement(node) { + var preFinallyLabel = createBranchLabel(); + var preTryFlow = currentFlow; + bind(node.tryBlock); + addAntecedent(preFinallyLabel, currentFlow); + var flowAfterTry = currentFlow; + var flowAfterCatch = unreachableFlow; + if (node.catchClause) { + currentFlow = preTryFlow; + bind(node.catchClause); + addAntecedent(preFinallyLabel, currentFlow); + flowAfterCatch = currentFlow; } - } - function isIndependentInterface(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 223) { - if (declaration.flags & 64) { - return false; - } - var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); - if (baseTypeNodes) { - for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { - var node = baseTypeNodes_1[_b]; - if (ts.isEntityNameExpression(node.expression)) { - var baseSymbol = resolveEntityName(node.expression, 793064, true); - if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { - return false; - } - } - } + if (node.finallyBlock) { + addAntecedent(preFinallyLabel, preTryFlow); + currentFlow = finishFlowLabel(preFinallyLabel); + bind(node.finallyBlock); + if (!(currentFlow.flags & 1)) { + if ((flowAfterTry.flags & 1) && (flowAfterCatch.flags & 1)) { + currentFlow = flowAfterTry === reportedUnreachableFlow || flowAfterCatch === reportedUnreachableFlow + ? reportedUnreachableFlow + : unreachableFlow; } } } - return true; - } - function getDeclaredTypeOfClassOrInterface(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var kind = symbol.flags & 32 ? 32768 : 65536; - var type = links.declaredType = createObjectType(kind, symbol); - var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); - var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (outerTypeParameters || localTypeParameters || kind === 32768 || !isIndependentInterface(symbol)) { - type.flags |= 131072; - type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); - type.outerTypeParameters = outerTypeParameters; - type.localTypeParameters = localTypeParameters; - type.instantiations = ts.createMap(); - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(16384); - type.thisType.isThisType = true; - type.thisType.symbol = symbol; - type.thisType.constraint = type; - } - } - return links.declaredType; - } - function getDeclaredTypeOfTypeAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - if (!pushTypeResolution(symbol, 2)) { - return unknownType; - } - var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - var declaration = ts.getDeclarationOfKind(symbol, 279); - var type = void 0; - if (declaration) { - if (declaration.jsDocTypeLiteral) { - type = getTypeFromTypeNode(declaration.jsDocTypeLiteral); - } - else { - type = getTypeFromTypeNode(declaration.typeExpression.type); - } - } - else { - declaration = ts.getDeclarationOfKind(symbol, 224); - type = getTypeFromTypeNode(declaration.type, symbol, typeParameters); - } - if (popTypeResolution()) { - links.typeParameters = typeParameters; - if (typeParameters) { - links.instantiations = ts.createMap(); - links.instantiations[getTypeListId(links.typeParameters)] = type; - } - } - else { - type = unknownType; - error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); - } - links.declaredType = type; + else { + currentFlow = finishFlowLabel(preFinallyLabel); } - return links.declaredType; } - function isLiteralEnumMember(symbol, member) { - var expr = member.initializer; - if (!expr) { - return !ts.isInAmbientContext(member); + function bindSwitchStatement(node) { + var postSwitchLabel = createBranchLabel(); + bind(node.expression); + var saveBreakTarget = currentBreakTarget; + var savePreSwitchCaseFlow = preSwitchCaseFlow; + currentBreakTarget = postSwitchLabel; + preSwitchCaseFlow = currentFlow; + bind(node.caseBlock); + addAntecedent(postSwitchLabel, currentFlow); + var hasDefault = ts.forEach(node.caseBlock.clauses, function (c) { return c.kind === 250; }); + node.possiblyExhaustive = !hasDefault && !postSwitchLabel.antecedents; + if (!hasDefault) { + addAntecedent(postSwitchLabel, createFlowSwitchClause(preSwitchCaseFlow, node, 0, 0)); } - return expr.kind === 8 || - expr.kind === 186 && expr.operator === 37 && - expr.operand.kind === 8 || - expr.kind === 70 && !!symbol.exports[expr.text]; + currentBreakTarget = saveBreakTarget; + preSwitchCaseFlow = savePreSwitchCaseFlow; + currentFlow = finishFlowLabel(postSwitchLabel); } - function enumHasLiteralMembers(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 225) { - for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { - var member = _c[_b]; - if (!isLiteralEnumMember(symbol, member)) { - return false; - } - } + function bindCaseBlock(node) { + var clauses = node.clauses; + var fallthroughFlow = unreachableFlow; + for (var i = 0; i < clauses.length; i++) { + var clauseStart = i; + while (!clauses[i].statements.length && i + 1 < clauses.length) { + bind(clauses[i]); + i++; } - } - return true; - } - function createEnumLiteralType(symbol, baseType, text) { - var type = createType(256); - type.symbol = symbol; - type.baseType = baseType; - type.text = text; - return type; - } - function getDeclaredTypeOfEnum(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var enumType = links.declaredType = createType(16); - enumType.symbol = symbol; - if (enumHasLiteralMembers(symbol)) { - var memberTypeList = []; - var memberTypes = ts.createMap(); - for (var _i = 0, _a = enumType.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 225) { - computeEnumMemberValues(declaration); - for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { - var member = _c[_b]; - var memberSymbol = getSymbolOfNode(member); - var value = getEnumMemberValue(member); - if (!memberTypes[value]) { - var memberType = memberTypes[value] = createEnumLiteralType(memberSymbol, enumType, "" + value); - memberTypeList.push(memberType); - } - } - } - } - enumType.memberTypes = memberTypes; - if (memberTypeList.length > 1) { - enumType.flags |= 524288; - enumType.types = memberTypeList; - unionTypes[getTypeListId(memberTypeList)] = enumType; - } + var preCaseLabel = createBranchLabel(); + addAntecedent(preCaseLabel, createFlowSwitchClause(preSwitchCaseFlow, node.parent, clauseStart, i + 1)); + addAntecedent(preCaseLabel, fallthroughFlow); + currentFlow = finishFlowLabel(preCaseLabel); + var clause = clauses[i]; + bind(clause); + fallthroughFlow = currentFlow; + if (!(currentFlow.flags & 1) && i !== clauses.length - 1 && options.noFallthroughCasesInSwitch) { + errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); } } - return links.declaredType; } - function getDeclaredTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - links.declaredType = enumType.flags & 524288 ? - enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] : - enumType; - } - return links.declaredType; + function bindCaseClause(node) { + var saveCurrentFlow = currentFlow; + currentFlow = preSwitchCaseFlow; + bind(node.expression); + currentFlow = saveCurrentFlow; + ts.forEach(node.statements, bind); } - function getDeclaredTypeOfTypeParameter(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(16384); - type.symbol = symbol; - if (!ts.getDeclarationOfKind(symbol, 142).constraint) { - type.constraint = noConstraintType; - } - links.declaredType = type; - } - return links.declaredType; + function pushActiveLabel(name, breakTarget, continueTarget) { + var activeLabel = { + name: name, + breakTarget: breakTarget, + continueTarget: continueTarget, + referenced: false + }; + (activeLabels || (activeLabels = [])).push(activeLabel); + return activeLabel; } - function getDeclaredTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); - } - return links.declaredType; + function popActiveLabel() { + activeLabels.pop(); } - function getDeclaredTypeOfSymbol(symbol) { - ts.Debug.assert((symbol.flags & 16777216) === 0); - if (symbol.flags & (32 | 64)) { - return getDeclaredTypeOfClassOrInterface(symbol); - } - if (symbol.flags & 524288) { - return getDeclaredTypeOfTypeAlias(symbol); + function bindLabeledStatement(node) { + var preStatementLabel = createLoopLabel(); + var postStatementLabel = createBranchLabel(); + bind(node.label); + addAntecedent(preStatementLabel, currentFlow); + var activeLabel = pushActiveLabel(node.label.text, postStatementLabel, preStatementLabel); + bind(node.statement); + popActiveLabel(); + if (!activeLabel.referenced && !options.allowUnusedLabels) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.label, ts.Diagnostics.Unused_label)); } - if (symbol.flags & 262144) { - return getDeclaredTypeOfTypeParameter(symbol); + addAntecedent(postStatementLabel, currentFlow); + currentFlow = finishFlowLabel(postStatementLabel); + } + function bindDestructuringTargetFlow(node) { + if (node.kind === 188 && node.operatorToken.kind === 57) { + bindAssignmentTargetFlow(node.left); } - if (symbol.flags & 384) { - return getDeclaredTypeOfEnum(symbol); + else { + bindAssignmentTargetFlow(node); } - if (symbol.flags & 8) { - return getDeclaredTypeOfEnumMember(symbol); + } + function bindAssignmentTargetFlow(node) { + if (isNarrowableReference(node)) { + currentFlow = createFlowAssignment(currentFlow, node); } - if (symbol.flags & 8388608) { - return getDeclaredTypeOfAlias(symbol); + else if (node.kind === 171) { + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var e = _a[_i]; + if (e.kind === 192) { + bindAssignmentTargetFlow(e.expression); + } + else { + bindDestructuringTargetFlow(e); + } + } } - return unknownType; - } - function isIndependentTypeReference(node) { - if (node.typeArguments) { - for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { - var typeNode = _a[_i]; - if (!isIndependentType(typeNode)) { - return false; + else if (node.kind === 172) { + for (var _b = 0, _c = node.properties; _b < _c.length; _b++) { + var p = _c[_b]; + if (p.kind === 253) { + bindDestructuringTargetFlow(p.initializer); + } + else if (p.kind === 254) { + bindAssignmentTargetFlow(p.name); } } } - return true; } - function isIndependentType(node) { - switch (node.kind) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 104: - case 136: - case 94: - case 128: - case 167: - return true; - case 161: - return isIndependentType(node.elementType); - case 156: - return isIndependentTypeReference(node); + function bindLogicalExpression(node, trueTarget, falseTarget) { + var preRightLabel = createBranchLabel(); + if (node.operatorToken.kind === 52) { + bindCondition(node.left, preRightLabel, falseTarget); } - return false; - } - function isIndependentVariableLikeDeclaration(node) { - return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + else { + bindCondition(node.left, trueTarget, preRightLabel); + } + currentFlow = finishFlowLabel(preRightLabel); + bind(node.operatorToken); + bindCondition(node.right, trueTarget, falseTarget); } - function isIndependentFunctionLikeDeclaration(node) { - if (node.kind !== 149 && (!node.type || !isIndependentType(node.type))) { - return false; + function bindPrefixUnaryExpressionFlow(node) { + if (node.operator === 50) { + var saveTrueTarget = currentTrueTarget; + currentTrueTarget = currentFalseTarget; + currentFalseTarget = saveTrueTarget; + ts.forEachChild(node, bind); + currentFalseTarget = currentTrueTarget; + currentTrueTarget = saveTrueTarget; } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - if (!isIndependentVariableLikeDeclaration(parameter)) { - return false; + else { + ts.forEachChild(node, bind); + if (node.operator === 42 || node.operator === 43) { + bindAssignmentTargetFlow(node.operand); } } - return true; } - function isIndependentMember(symbol) { - if (symbol.declarations && symbol.declarations.length === 1) { - var declaration = symbol.declarations[0]; - if (declaration) { - switch (declaration.kind) { - case 146: - case 145: - return isIndependentVariableLikeDeclaration(declaration); - case 148: - case 147: - case 149: - return isIndependentFunctionLikeDeclaration(declaration); + function bindPostfixUnaryExpressionFlow(node) { + ts.forEachChild(node, bind); + if (node.operator === 42 || node.operator === 43) { + bindAssignmentTargetFlow(node.operand); + } + } + function bindBinaryExpressionFlow(node) { + var operator = node.operatorToken.kind; + if (operator === 52 || operator === 53) { + if (isTopLevelLogicalExpression(node)) { + var postExpressionLabel = createBranchLabel(); + bindLogicalExpression(node, postExpressionLabel, postExpressionLabel); + currentFlow = finishFlowLabel(postExpressionLabel); + } + else { + bindLogicalExpression(node, currentTrueTarget, currentFalseTarget); + } + } + else { + ts.forEachChild(node, bind); + if (operator === 57 && !ts.isAssignmentTarget(node)) { + bindAssignmentTargetFlow(node.left); + if (node.left.kind === 174) { + var elementAccess = node.left; + if (isNarrowableOperand(elementAccess.expression)) { + currentFlow = createFlowArrayMutation(currentFlow, node); + } } } } - return false; } - function createSymbolTable(symbols) { - var result = ts.createMap(); - for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { - var symbol = symbols_1[_i]; - result[symbol.name] = symbol; + function bindDeleteExpressionFlow(node) { + ts.forEachChild(node, bind); + if (node.expression.kind === 173) { + bindAssignmentTargetFlow(node.expression); } - return result; } - function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { - var result = ts.createMap(); - for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { - var symbol = symbols_2[_i]; - result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); - } - return result; + function bindConditionalExpressionFlow(node) { + var trueLabel = createBranchLabel(); + var falseLabel = createBranchLabel(); + var postExpressionLabel = createBranchLabel(); + bindCondition(node.condition, trueLabel, falseLabel); + currentFlow = finishFlowLabel(trueLabel); + bind(node.whenTrue); + addAntecedent(postExpressionLabel, currentFlow); + currentFlow = finishFlowLabel(falseLabel); + bind(node.whenFalse); + addAntecedent(postExpressionLabel, currentFlow); + currentFlow = finishFlowLabel(postExpressionLabel); } - function addInheritedMembers(symbols, baseSymbols) { - for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { - var s = baseSymbols_1[_i]; - if (!symbols[s.name]) { - symbols[s.name] = s; + function bindInitializedVariableFlow(node) { + var name = !ts.isOmittedExpression(node) ? node.name : undefined; + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var child = _a[_i]; + bindInitializedVariableFlow(child); } } - } - function resolveDeclaredMembers(type) { - if (!type.declaredProperties) { - var symbol = type.symbol; - type.declaredProperties = getNamedMembers(symbol.members); - type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); - type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); - type.declaredStringIndexInfo = getIndexInfoOfSymbol(symbol, 0); - type.declaredNumberIndexInfo = getIndexInfoOfSymbol(symbol, 1); + else { + currentFlow = createFlowAssignment(currentFlow, node); } - return type; } - function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 131072) { - return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + function bindVariableDeclarationFlow(node) { + ts.forEachChild(node, bind); + if (node.initializer || node.parent.parent.kind === 208 || node.parent.parent.kind === 209) { + bindInitializedVariableFlow(node); } - return type; } - function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { - var mapper; - var members; - var callSignatures; - var constructSignatures; - var stringIndexInfo; - var numberIndexInfo; - if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { - mapper = identityMapper; - members = source.symbol ? source.symbol.members : createSymbolTable(source.declaredProperties); - callSignatures = source.declaredCallSignatures; - constructSignatures = source.declaredConstructSignatures; - stringIndexInfo = source.declaredStringIndexInfo; - numberIndexInfo = source.declaredNumberIndexInfo; + function bindCallExpressionFlow(node) { + var expr = node.expression; + while (expr.kind === 179) { + expr = expr.expression; + } + if (expr.kind === 180 || expr.kind === 181) { + ts.forEach(node.typeArguments, bind); + ts.forEach(node.arguments, bind); + bind(node.expression); } else { - mapper = createTypeMapper(typeParameters, typeArguments); - members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); - callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); - constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); - stringIndexInfo = instantiateIndexInfo(source.declaredStringIndexInfo, mapper); - numberIndexInfo = instantiateIndexInfo(source.declaredNumberIndexInfo, mapper); + ts.forEachChild(node, bind); } - var baseTypes = getBaseTypes(source); - if (baseTypes.length) { - if (source.symbol && members === source.symbol.members) { - members = createSymbolTable(source.declaredProperties); - } - var thisArgument = ts.lastOrUndefined(typeArguments); - for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { - var baseType = baseTypes_1[_i]; - var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; - addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); - stringIndexInfo = stringIndexInfo || getIndexInfoOfType(instantiatedBaseType, 0); - numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1); + if (node.expression.kind === 173) { + var propertyAccess = node.expression; + if (isNarrowableOperand(propertyAccess.expression) && ts.isPushOrUnshiftIdentifier(propertyAccess.name)) { + currentFlow = createFlowArrayMutation(currentFlow, node); } } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); - } - function resolveClassOrInterfaceMembers(type) { - resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); } - function resolveTypeReferenceMembers(type) { - var source = resolveDeclaredMembers(type.target); - var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); - var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? - type.typeArguments : ts.concatenate(type.typeArguments, [type]); - resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + function getContainerFlags(node) { + switch (node.kind) { + case 193: + case 222: + case 225: + case 172: + case 160: + case 281: + case 265: + return 1; + case 223: + return 1 | 64; + case 269: + case 226: + case 224: + return 1 | 32; + case 256: + return 1 | 4 | 32; + case 148: + if (ts.isObjectLiteralOrClassExpressionMethod(node)) { + return 1 | 4 | 32 | 8 | 128; + } + case 149: + case 221: + case 147: + case 150: + case 151: + case 152: + case 153: + case 154: + case 157: + case 158: + return 1 | 4 | 32 | 8; + case 180: + case 181: + return 1 | 4 | 32 | 8 | 16; + case 227: + return 4; + case 146: + return node.initializer ? 4 : 0; + case 252: + case 207: + case 208: + case 209: + case 228: + return 2; + case 200: + return ts.isFunctionLike(node.parent) ? 0 : 2; + } + return 0; } - function createSignature(declaration, typeParameters, thisParameter, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasLiteralTypes) { - var sig = new Signature(checker); - sig.declaration = declaration; - sig.typeParameters = typeParameters; - sig.parameters = parameters; - sig.thisParameter = thisParameter; - sig.resolvedReturnType = resolvedReturnType; - sig.typePredicate = typePredicate; - sig.minArgumentCount = minArgumentCount; - sig.hasRestParameter = hasRestParameter; - sig.hasLiteralTypes = hasLiteralTypes; - return sig; + function addToContainerChain(next) { + if (lastContainer) { + lastContainer.nextContainer = next; + } + lastContainer = next; } - function cloneSignature(sig) { - return createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasLiteralTypes); + function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { + return declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); } - function getDefaultConstructSignatures(classType) { - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - var baseSignatures = getSignaturesOfType(baseConstructorType, 1); - if (baseSignatures.length === 0) { - return [createSignature(undefined, classType.localTypeParameters, undefined, emptyArray, classType, undefined, 0, false, false)]; + function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { + switch (container.kind) { + case 226: + return declareModuleMember(node, symbolFlags, symbolExcludes); + case 256: + return declareSourceFileMember(node, symbolFlags, symbolExcludes); + case 193: + case 222: + return declareClassMember(node, symbolFlags, symbolExcludes); + case 225: + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + case 160: + case 172: + case 223: + case 265: + case 281: + return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + case 157: + case 158: + case 152: + case 153: + case 154: + case 148: + case 147: + case 149: + case 150: + case 151: + case 221: + case 180: + case 181: + case 269: + case 224: + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } - var baseTypeNode = getBaseTypeNodeOfClass(classType); - var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNodeNoAlias); - var typeArgCount = typeArguments ? typeArguments.length : 0; - var result = []; - for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { - var baseSig = baseSignatures_1[_i]; - var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; - if (typeParamCount === typeArgCount) { - var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); - sig.typeParameters = classType.localTypeParameters; - sig.resolvedReturnType = classType; - result.push(sig); + } + function declareClassMember(node, symbolFlags, symbolExcludes) { + return ts.hasModifier(node, 32) + ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) + : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + } + function declareSourceFileMember(node, symbolFlags, symbolExcludes) { + return ts.isExternalModule(file) + ? declareModuleMember(node, symbolFlags, symbolExcludes) + : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); + } + function hasExportDeclarations(node) { + var body = node.kind === 256 ? node : node.body; + if (body && (body.kind === 256 || body.kind === 227)) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var stat = _a[_i]; + if (stat.kind === 237 || stat.kind === 236) { + return true; + } } } - return result; + return false; } - function findMatchingSignature(signatureList, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes) { - for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { - var s = signatureList_1[_i]; - if (compareSignaturesIdentical(s, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypesIdentical)) { - return s; - } + function setExportContextFlag(node) { + if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { + node.flags |= 32; + } + else { + node.flags &= ~32; } } - function findMatchingSignatures(signatureLists, signature, listIndex) { - if (signature.typeParameters) { - if (listIndex > 0) { - return undefined; + function bindModuleDeclaration(node) { + setExportContextFlag(node); + if (ts.isAmbientModule(node)) { + if (ts.hasModifier(node, 1)) { + errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); } - for (var i = 1; i < signatureLists.length; i++) { - if (!findMatchingSignature(signatureLists[i], signature, false, false, false)) { - return undefined; + if (ts.isExternalModuleAugmentation(node)) { + declareSymbolAndAddToSymbolTable(node, 1024, 0); + } + else { + var pattern = void 0; + if (node.name.kind === 9) { + var text = node.name.text; + if (ts.hasZeroOrOneAsteriskCharacter(text)) { + pattern = ts.tryParsePattern(text); + } + else { + errorOnFirstToken(node.name, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, text); + } + } + var symbol = declareSymbolAndAddToSymbolTable(node, 512, 106639); + if (pattern) { + (file.patternAmbientModules || (file.patternAmbientModules = [])).push({ pattern: pattern, symbol: symbol }); } } - return [signature]; } - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true, true); - if (!match) { - return undefined; + else { + var state = getModuleInstanceState(node); + if (state === 0) { + declareSymbolAndAddToSymbolTable(node, 1024, 0); } - if (!ts.contains(result, match)) { - (result || (result = [])).push(match); + else { + declareSymbolAndAddToSymbolTable(node, 512, 106639); + if (node.symbol.flags & (16 | 32 | 256)) { + node.symbol.constEnumOnlyModule = false; + } + else { + var currentModuleIsConstEnumOnly = state === 2; + if (node.symbol.constEnumOnlyModule === undefined) { + node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; + } + else { + node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; + } + } } } - return result; } - function getUnionSignatures(types, kind) { - var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { - var signature = _a[_i]; - if (!result || !findMatchingSignature(result, signature, false, true, true)) { - var unionSignatures = findMatchingSignatures(signatureLists, signature, i); - if (unionSignatures) { - var s = signature; - if (unionSignatures.length > 1) { - s = cloneSignature(signature); - if (ts.forEach(unionSignatures, function (sig) { return sig.thisParameter; })) { - var thisType = getUnionType(ts.map(unionSignatures, function (sig) { return getTypeOfSymbol(sig.thisParameter) || anyType; }), true); - s.thisParameter = createTransientSymbol(signature.thisParameter, thisType); - } - s.resolvedReturnType = undefined; - s.unionSignatures = unionSignatures; - } - (result || (result = [])).push(s); - } + function bindFunctionOrConstructorType(node) { + var symbol = createSymbol(131072, getDeclarationName(node)); + addDeclarationToSymbol(symbol, node, 131072); + var typeLiteralSymbol = createSymbol(2048, "__type"); + addDeclarationToSymbol(typeLiteralSymbol, node, 2048); + typeLiteralSymbol.members = ts.createMap(); + typeLiteralSymbol.members[symbol.name] = symbol; + } + function bindObjectLiteralExpression(node) { + if (inStrictMode) { + var seen = ts.createMap(); + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.name.kind !== 70) { + continue; + } + var identifier = prop.name; + var currentKind = prop.kind === 253 || prop.kind === 254 || prop.kind === 148 + ? 1 + : 2; + var existingKind = seen[identifier.text]; + if (!existingKind) { + seen[identifier.text] = currentKind; + continue; + } + if (currentKind === 1 && existingKind === 1) { + var span_1 = ts.getErrorSpanForNode(file, identifier); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_1.start, span_1.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); } } } - return result || emptyArray; - } - function getUnionIndexInfo(types, kind) { - var indexTypes = []; - var isAnyReadonly = false; - for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { - var type = types_1[_i]; - var indexInfo = getIndexInfoOfType(type, kind); - if (!indexInfo) { - return undefined; - } - indexTypes.push(indexInfo.type); - isAnyReadonly = isAnyReadonly || indexInfo.isReadonly; - } - return createIndexInfo(getUnionType(indexTypes, true), isAnyReadonly); + return bindAnonymousDeclaration(node, 4096, "__object"); } - function resolveUnionTypeMembers(type) { - var callSignatures = getUnionSignatures(type.types, 0); - var constructSignatures = getUnionSignatures(type.types, 1); - var stringIndexInfo = getUnionIndexInfo(type.types, 0); - var numberIndexInfo = getUnionIndexInfo(type.types, 1); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + function bindAnonymousDeclaration(node, symbolFlags, name) { + var symbol = createSymbol(symbolFlags, name); + addDeclarationToSymbol(symbol, node, symbolFlags); } - function intersectTypes(type1, type2) { - return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { + switch (blockScopeContainer.kind) { + case 226: + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + case 256: + if (ts.isExternalModule(container)) { + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + } + default: + if (!blockScopeContainer.locals) { + blockScopeContainer.locals = ts.createMap(); + addToContainerChain(blockScopeContainer); + } + declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + } } - function intersectIndexInfos(info1, info2) { - return !info1 ? info2 : !info2 ? info1 : createIndexInfo(getIntersectionType([info1.type, info2.type]), info1.isReadonly && info2.isReadonly); + function bindBlockScopedVariableDeclaration(node) { + bindBlockScopedDeclaration(node, 2, 107455); } - function resolveIntersectionTypeMembers(type) { - var callSignatures = emptyArray; - var constructSignatures = emptyArray; - var stringIndexInfo = undefined; - var numberIndexInfo = undefined; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); - stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0)); - numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1)); + function checkStrictModeIdentifier(node) { + if (inStrictMode && + node.originalKeywordKind >= 107 && + node.originalKeywordKind <= 115 && + !ts.isIdentifierName(node) && + !ts.isInAmbientContext(node)) { + if (!file.parseDiagnostics.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); + } } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } - function resolveAnonymousTypeMembers(type) { - var symbol = type.symbol; - if (type.target) { - var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); - var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); - var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); - var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0), type.mapper); - var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + function getStrictModeIdentifierMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; } - else if (symbol.flags & 2048) { - var members = symbol.members; - var callSignatures = getSignaturesOfSymbol(members["__call"]); - var constructSignatures = getSignaturesOfSymbol(members["__new"]); - var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0); - var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + if (file.externalModuleIndicator) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; } - else { - var members = emptySymbols; - var constructSignatures = emptyArray; - if (symbol.flags & 1952) { - members = getExportsOfSymbol(symbol); - } - if (symbol.flags & 32) { - var classType = getDeclaredTypeOfClassOrInterface(symbol); - constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); - if (!constructSignatures.length) { - constructSignatures = getDefaultConstructSignatures(classType); - } - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 2588672) { - members = createSymbolTable(getNamedMembers(members)); - addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); - } - } - var numberIndexInfo = symbol.flags & 384 ? enumNumberIndexInfo : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); - if (symbol.flags & (16 | 8192)) { - type.callSignatures = getSignaturesOfSymbol(symbol); - } + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + } + function checkStrictModeBinaryExpression(node) { + if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + checkStrictModeEvalOrArguments(node, node.left); } } - function resolveStructuredTypeMembers(type) { - if (!type.members) { - if (type.flags & 131072) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (32768 | 65536)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 2097152) { - resolveAnonymousTypeMembers(type); - } - else if (type.flags & 524288) { - resolveUnionTypeMembers(type); - } - else if (type.flags & 1048576) { - resolveIntersectionTypeMembers(type); - } + function checkStrictModeCatchClause(node) { + if (inStrictMode && node.variableDeclaration) { + checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); } - return type; } - function getPropertiesOfObjectType(type) { - if (type.flags & 2588672) { - return resolveStructuredTypeMembers(type).properties; + function checkStrictModeDeleteExpression(node) { + if (inStrictMode && node.expression.kind === 70) { + var span_2 = ts.getErrorSpanForNode(file, node.expression); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_2.start, span_2.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); } - return emptyArray; } - function getPropertyOfObjectType(type, name) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - var symbol = resolved.members[name]; - if (symbol && symbolIsValue(symbol)) { - return symbol; + function isEvalOrArgumentsIdentifier(node) { + return node.kind === 70 && + (node.text === "eval" || node.text === "arguments"); + } + function checkStrictModeEvalOrArguments(contextNode, name) { + if (name && name.kind === 70) { + var identifier = name; + if (isEvalOrArgumentsIdentifier(identifier)) { + var span_3 = ts.getErrorSpanForNode(file, name); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span_3.start, span_3.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); } } } - function getPropertiesOfUnionOrIntersectionType(type) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var current = _a[_i]; - for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { - var prop = _c[_b]; - getUnionOrIntersectionProperty(type, prop.name); - } - if (type.flags & 524288) { - break; - } + function getStrictModeEvalOrArgumentsMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; } - var props = type.resolvedProperties; - if (props) { - var result = []; - for (var key in props) { - var prop = props[key]; - if (!(prop.flags & 268435456 && prop.isPartial)) { - result.push(prop); - } - } - return result; + if (file.externalModuleIndicator) { + return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; } - return emptyArray; - } - function getPropertiesOfType(type) { - type = getApparentType(type); - return type.flags & 1572864 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; } - function getApparentTypeOfTypeParameter(type) { - if (!type.resolvedApparentType) { - var constraintType = getConstraintOfTypeParameter(type); - while (constraintType && constraintType.flags & 16384) { - constraintType = getConstraintOfTypeParameter(constraintType); - } - type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); + function checkStrictModeFunctionName(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); } - return type.resolvedApparentType; } - function getApparentType(type) { - if (type.flags & 16384) { - type = getApparentTypeOfTypeParameter(type); + function getStrictModeBlockScopeFunctionDeclarationMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode; } - if (type.flags & 34) { - type = globalStringType; + if (file.externalModuleIndicator) { + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode; } - else if (type.flags & 340) { - type = globalNumberType; + return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5; + } + function checkStrictModeFunctionDeclaration(node) { + if (languageVersion < 2) { + if (blockScopeContainer.kind !== 256 && + blockScopeContainer.kind !== 226 && + !ts.isFunctionLike(blockScopeContainer)) { + var errorSpan = ts.getErrorSpanForNode(file, node); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, errorSpan.start, errorSpan.length, getStrictModeBlockScopeFunctionDeclarationMessage(node))); + } } - else if (type.flags & 136) { - type = globalBooleanType; + } + function checkStrictModeNumericLiteral(node) { + if (inStrictMode && node.isOctalLiteral) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); } - else if (type.flags & 512) { - type = getGlobalESSymbolType(); + } + function checkStrictModePostfixUnaryExpression(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.operand); } - return type; } - function createUnionOrIntersectionProperty(containingType, name) { - var types = containingType.types; - var props; - var commonFlags = (containingType.flags & 1048576) ? 536870912 : 0; - var isReadonly = false; - var isPartial = false; - for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { - var current = types_2[_i]; - var type = getApparentType(current); - if (type !== unknownType) { - var prop = getPropertyOfType(type, name); - if (prop && !(getDeclarationModifierFlagsFromSymbol(prop) & (8 | 16))) { - commonFlags &= prop.flags; - if (!props) { - props = [prop]; - } - else if (!ts.contains(props, prop)) { - props.push(prop); - } - if (isReadonlySymbol(prop)) { - isReadonly = true; - } - } - else if (containingType.flags & 524288) { - isPartial = true; - } + function checkStrictModePrefixUnaryExpression(node) { + if (inStrictMode) { + if (node.operator === 42 || node.operator === 43) { + checkStrictModeEvalOrArguments(node, node.operand); } } - if (!props) { - return undefined; + } + function checkStrictModeWithStatement(node) { + if (inStrictMode) { + errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); } - if (props.length === 1 && !isPartial) { - return props[0]; + } + function errorOnFirstToken(node, message, arg0, arg1, arg2) { + var span = ts.getSpanOfTokenAtPosition(file, node.pos); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + } + function getDestructuringParameterName(node) { + return "__" + ts.indexOf(node.parent.parameters, node); + } + function bind(node) { + if (!node) { + return; } - var propTypes = []; - var declarations = []; - var commonType = undefined; - var hasNonUniformType = false; - for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { - var prop = props_1[_a]; - if (prop.declarations) { - ts.addRange(declarations, prop.declarations); - } - var type = getTypeOfSymbol(prop); - if (!commonType) { - commonType = type; + node.parent = parent; + var saveInStrictMode = inStrictMode; + bindWorker(node); + if (node.kind > 139) { + var saveParent = parent; + parent = node; + var containerFlags = getContainerFlags(node); + if (containerFlags === 0) { + bindChildren(node); } - else if (type !== commonType) { - hasNonUniformType = true; + else { + bindContainer(node, containerFlags); } - propTypes.push(type); + parent = saveParent; } - var result = createSymbol(4 | 67108864 | 268435456 | commonFlags, name); - result.containingType = containingType; - result.hasNonUniformType = hasNonUniformType; - result.isPartial = isPartial; - result.declarations = declarations; - result.isReadonly = isReadonly; - result.type = containingType.flags & 524288 ? getUnionType(propTypes) : getIntersectionType(propTypes); - return result; + else if (!skipTransformFlagAggregation && (node.transformFlags & 536870912) === 0) { + subtreeTransformFlags |= computeTransformFlagsForNode(node, 0); + } + inStrictMode = saveInStrictMode; } - function getUnionOrIntersectionProperty(type, name) { - var properties = type.resolvedProperties || (type.resolvedProperties = ts.createMap()); - var property = properties[name]; - if (!property) { - property = createUnionOrIntersectionProperty(type, name); - if (property) { - properties[name] = property; + function updateStrictModeStatementList(statements) { + if (!inStrictMode) { + for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { + var statement = statements_1[_i]; + if (!ts.isPrologueDirective(statement)) { + return; + } + if (isUseStrictPrologueDirective(statement)) { + inStrictMode = true; + return; + } } } - return property; } - function getPropertyOfUnionOrIntersectionType(type, name) { - var property = getUnionOrIntersectionProperty(type, name); - return property && !(property.flags & 268435456 && property.isPartial) ? property : undefined; + function isUseStrictPrologueDirective(node) { + var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); + return nodeText === '"use strict"' || nodeText === "'use strict'"; } - function getPropertyOfType(type, name) { - type = getApparentType(type); - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - var symbol = resolved.members[name]; - if (symbol && symbolIsValue(symbol)) { - return symbol; - } - if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { - var symbol_1 = getPropertyOfObjectType(globalFunctionType, name); - if (symbol_1) { - return symbol_1; + function bindWorker(node) { + switch (node.kind) { + case 70: + if (node.isInJSDocNamespace) { + var parentNode = node.parent; + while (parentNode && parentNode.kind !== 279) { + parentNode = parentNode.parent; + } + bindBlockScopedDeclaration(parentNode, 524288, 793064); + break; } - } - return getPropertyOfObjectType(globalObjectType, name); - } - if (type.flags & 1572864) { - return getPropertyOfUnionOrIntersectionType(type, name); + case 98: + if (currentFlow && (ts.isExpression(node) || parent.kind === 254)) { + node.flowNode = currentFlow; + } + return checkStrictModeIdentifier(node); + case 173: + if (currentFlow && isNarrowableReference(node)) { + node.flowNode = currentFlow; + } + break; + case 188: + if (ts.isInJavaScriptFile(node)) { + var specialKind = ts.getSpecialPropertyAssignmentKind(node); + switch (specialKind) { + case 1: + bindExportsPropertyAssignment(node); + break; + case 2: + bindModuleExportsAssignment(node); + break; + case 3: + bindPrototypePropertyAssignment(node); + break; + case 4: + bindThisPropertyAssignment(node); + break; + case 0: + break; + default: + ts.Debug.fail("Unknown special property assignment kind"); + } + } + return checkStrictModeBinaryExpression(node); + case 252: + return checkStrictModeCatchClause(node); + case 182: + return checkStrictModeDeleteExpression(node); + case 8: + return checkStrictModeNumericLiteral(node); + case 187: + return checkStrictModePostfixUnaryExpression(node); + case 186: + return checkStrictModePrefixUnaryExpression(node); + case 213: + return checkStrictModeWithStatement(node); + case 166: + seenThisKeyword = true; + return; + case 155: + return checkTypePredicate(node); + case 142: + return declareSymbolAndAddToSymbolTable(node, 262144, 530920); + case 143: + return bindParameter(node); + case 219: + case 170: + return bindVariableDeclarationOrBindingElement(node); + case 146: + case 145: + case 266: + return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 0); + case 280: + return bindJSDocProperty(node); + case 253: + case 254: + return bindPropertyOrMethodOrAccessor(node, 4, 0); + case 255: + return bindPropertyOrMethodOrAccessor(node, 8, 900095); + case 247: + emitFlags |= 16384; + return; + case 152: + case 153: + case 154: + return declareSymbolAndAddToSymbolTable(node, 131072, 0); + case 148: + case 147: + return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 0 : 99263); + case 221: + return bindFunctionDeclaration(node); + case 149: + return declareSymbolAndAddToSymbolTable(node, 16384, 0); + case 150: + return bindPropertyOrMethodOrAccessor(node, 32768, 41919); + case 151: + return bindPropertyOrMethodOrAccessor(node, 65536, 74687); + case 157: + case 158: + case 269: + return bindFunctionOrConstructorType(node); + case 160: + case 281: + case 265: + return bindAnonymousDeclaration(node, 2048, "__type"); + case 172: + return bindObjectLiteralExpression(node); + case 180: + case 181: + return bindFunctionExpression(node); + case 175: + if (ts.isInJavaScriptFile(node)) { + bindCallExpression(node); + } + break; + case 193: + case 222: + inStrictMode = true; + return bindClassLikeDeclaration(node); + case 223: + return bindBlockScopedDeclaration(node, 64, 792968); + case 279: + if (!node.fullName || node.fullName.kind === 70) { + return bindBlockScopedDeclaration(node, 524288, 793064); + } + break; + case 224: + return bindBlockScopedDeclaration(node, 524288, 793064); + case 225: + return bindEnumDeclaration(node); + case 226: + return bindModuleDeclaration(node); + case 230: + case 233: + case 235: + case 239: + return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + case 229: + return bindNamespaceExportDeclaration(node); + case 232: + return bindImportClause(node); + case 237: + return bindExportDeclaration(node); + case 236: + return bindExportAssignment(node); + case 256: + updateStrictModeStatementList(node.statements); + return bindSourceFileIfExternalModule(); + case 200: + if (!ts.isFunctionLike(node.parent)) { + return; + } + case 227: + return updateStrictModeStatementList(node.statements); } - return undefined; } - function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 4161536) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; + function checkTypePredicate(node) { + var parameterName = node.parameterName, type = node.type; + if (parameterName && parameterName.kind === 70) { + checkStrictModeIdentifier(parameterName); + } + if (parameterName && parameterName.kind === 166) { + seenThisKeyword = true; } - return emptyArray; - } - function getSignaturesOfType(type, kind) { - return getSignaturesOfStructuredType(getApparentType(type), kind); + bind(type); } - function getIndexInfoOfStructuredType(type, kind) { - if (type.flags & 4161536) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.stringIndexInfo : resolved.numberIndexInfo; + function bindSourceFileIfExternalModule() { + setExportContextFlag(file); + if (ts.isExternalModule(file)) { + bindSourceFileAsExternalModule(); } } - function getIndexTypeOfStructuredType(type, kind) { - var info = getIndexInfoOfStructuredType(type, kind); - return info && info.type; - } - function getIndexInfoOfType(type, kind) { - return getIndexInfoOfStructuredType(getApparentType(type), kind); + function bindSourceFileAsExternalModule() { + bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); } - function getIndexTypeOfType(type, kind) { - return getIndexTypeOfStructuredType(getApparentType(type), kind); + function bindExportAssignment(node) { + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); + } + else { + var flags = node.kind === 236 && ts.exportAssignmentIsAlias(node) + ? 8388608 + : 4; + declareSymbol(container.symbol.exports, container.symbol, node, flags, 4 | 8388608 | 32 | 16); + } } - function getImplicitIndexTypeOfType(type, kind) { - if (isObjectLiteralType(type)) { - var propTypes = []; - for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) { - var prop = _a[_i]; - if (kind === 0 || isNumericLiteralName(prop.name)) { - propTypes.push(getTypeOfSymbol(prop)); - } + function bindNamespaceExportDeclaration(node) { + if (node.modifiers && node.modifiers.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Modifiers_cannot_appear_here)); + } + if (node.parent.kind !== 256) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_at_top_level)); + return; + } + else { + var parent_7 = node.parent; + if (!ts.isExternalModule(parent_7)) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_module_files)); + return; } - if (propTypes.length) { - return getUnionType(propTypes, true); + if (!parent_7.isDeclarationFile) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_declaration_files)); + return; } } - return undefined; + file.symbol.globalExports = file.symbol.globalExports || ts.createMap(); + declareSymbol(file.symbol.globalExports, file.symbol, node, 8388608, 8388608); } - function getTypeParametersFromJSDocTemplate(declaration) { - if (declaration.flags & 1048576) { - var templateTag = ts.getJSDocTemplateTag(declaration); - if (templateTag) { - return getTypeParametersFromDeclaration(templateTag.typeParameters); - } + function bindExportDeclaration(node) { + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); + } + else if (!node.exportClause) { + declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); } - return undefined; } - function getTypeParametersFromDeclaration(typeParameterDeclarations) { - var result = []; - ts.forEach(typeParameterDeclarations, function (node) { - var tp = getDeclaredTypeOfTypeParameter(node.symbol); - if (!ts.contains(result, tp)) { - result.push(tp); - } - }); - return result; + function bindImportClause(node) { + if (node.name) { + declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + } } - function symbolsToArray(symbols) { - var result = []; - for (var id in symbols) { - if (!isReservedMemberName(id)) { - result.push(symbols[id]); + function setCommonJsModuleIndicator(node) { + if (!file.commonJsModuleIndicator) { + file.commonJsModuleIndicator = node; + if (!file.externalModuleIndicator) { + bindSourceFileAsExternalModule(); } } - return result; } - function isJSDocOptionalParameter(node) { - if (node.flags & 1048576) { - if (node.type && node.type.kind === 268) { - return true; - } - var paramTag = ts.getCorrespondingJSDocParameterTag(node); - if (paramTag) { - if (paramTag.isBracketed) { - return true; - } - if (paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 268; - } + function bindExportsPropertyAssignment(node) { + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); + } + function bindModuleExportsAssignment(node) { + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node, 4 | 7340032 | 512, 0); + } + function bindThisPropertyAssignment(node) { + ts.Debug.assert(ts.isInJavaScriptFile(node)); + if (container.kind === 221 || container.kind === 180) { + container.symbol.members = container.symbol.members || ts.createMap(); + declareSymbol(container.symbol.members, container.symbol, node, 4, 0 & ~4); + } + else if (container.kind === 149) { + var saveContainer = container; + container = container.parent; + var symbol = bindPropertyOrMethodOrAccessor(node, 4, 0); + if (symbol) { + symbol.isReplaceableByMethod = true; } + container = saveContainer; } } - function isOptionalParameter(node) { - if (ts.hasQuestionToken(node) || isJSDocOptionalParameter(node)) { - return true; + function bindPrototypePropertyAssignment(node) { + var leftSideOfAssignment = node.left; + var classPrototype = leftSideOfAssignment.expression; + var constructorFunction = classPrototype.expression; + leftSideOfAssignment.parent = node; + constructorFunction.parent = classPrototype; + classPrototype.parent = leftSideOfAssignment; + var funcSymbol = container.locals[constructorFunction.text]; + if (!funcSymbol || !(funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { + return; } - if (node.initializer) { - var signatureDeclaration = node.parent; - var signature = getSignatureFromDeclaration(signatureDeclaration); - var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); - ts.Debug.assert(parameterIndex >= 0); - return parameterIndex >= signature.minArgumentCount; + if (!funcSymbol.members) { + funcSymbol.members = ts.createMap(); } - return false; + declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 0); } - function createTypePredicateFromTypePredicateNode(node) { - if (node.parameterName.kind === 70) { - var parameterName = node.parameterName; - return { - kind: 1, - parameterName: parameterName ? parameterName.text : undefined, - parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, - type: getTypeFromTypeNode(node.type) - }; + function bindCallExpression(node) { + if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { + setCommonJsModuleIndicator(node); + } + } + function bindClassLikeDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { + emitFlags |= 1024; + } + if (ts.nodeIsDecorated(node)) { + emitFlags |= 2048; + } + } + if (node.kind === 222) { + bindBlockScopedDeclaration(node, 32, 899519); } else { - return { - kind: 0, - type: getTypeFromTypeNode(node.type) - }; + var bindingName = node.name ? node.name.text : "__class"; + bindAnonymousDeclaration(node, 32, bindingName); + if (node.name) { + classifiableNames[node.name.text] = node.name.text; + } } - } - function getSignatureFromDeclaration(declaration) { - var links = getNodeLinks(declaration); - if (!links.resolvedSignature) { - var parameters = []; - var hasLiteralTypes = false; - var minArgumentCount = -1; - var thisParameter = undefined; - var hasThisParameter = void 0; - var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); - for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { - var param = declaration.parameters[i]; - var paramSymbol = param.symbol; - if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { - var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); - paramSymbol = resolvedSymbol; - } - if (i === 0 && paramSymbol.name === "this") { - hasThisParameter = true; - thisParameter = param.symbol; - } - else { - parameters.push(paramSymbol); - } - if (param.type && param.type.kind === 167) { - hasLiteralTypes = true; - } - if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { - if (minArgumentCount < 0) { - minArgumentCount = i - (hasThisParameter ? 1 : 0); - } - } - else { - minArgumentCount = -1; - } + var symbol = node.symbol; + var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); + if (symbol.exports[prototypeSymbol.name]) { + if (node.name) { + node.name.parent = node; } - if ((declaration.kind === 150 || declaration.kind === 151) && - !ts.hasDynamicName(declaration) && - (!hasThisParameter || !thisParameter)) { - var otherKind = declaration.kind === 150 ? 151 : 150; - var other = ts.getDeclarationOfKind(declaration.symbol, otherKind); - if (other) { - thisParameter = getAnnotatedAccessorThisParameter(other); - } + file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + } + symbol.exports[prototypeSymbol.name] = prototypeSymbol; + prototypeSymbol.parent = symbol; + } + function bindEnumDeclaration(node) { + return ts.isConst(node) + ? bindBlockScopedDeclaration(node, 128, 899967) + : bindBlockScopedDeclaration(node, 256, 899327); + } + function bindVariableDeclarationOrBindingElement(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (!ts.isBindingPattern(node.name)) { + if (ts.isBlockOrCatchScoped(node)) { + bindBlockScopedVariableDeclaration(node); } - if (minArgumentCount < 0) { - minArgumentCount = declaration.parameters.length - (hasThisParameter ? 1 : 0); + else if (ts.isParameterDeclaration(node)) { + declareSymbolAndAddToSymbolTable(node, 1, 107455); } - if (isJSConstructSignature) { - minArgumentCount--; + else { + declareSymbolAndAddToSymbolTable(node, 1, 107454); } - var classType = declaration.kind === 149 ? - getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) - : undefined; - var typeParameters = classType ? classType.localTypeParameters : - declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : - getTypeParametersFromJSDocTemplate(declaration); - var returnType = getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType); - var typePredicate = declaration.type && declaration.type.kind === 155 ? - createTypePredicateFromTypePredicateNode(declaration.type) : - undefined; - links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasLiteralTypes); } - return links.resolvedSignature; } - function getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType) { - if (isJSConstructSignature) { - return getTypeFromTypeNode(declaration.parameters[0].type); + function bindParameter(node) { + if (!ts.isDeclarationFile(file) && + !ts.isInAmbientContext(node) && + ts.nodeIsDecorated(node)) { + emitFlags |= (2048 | 4096); } - else if (classType) { - return classType; + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); } - else if (declaration.type) { - return getTypeFromTypeNode(declaration.type); + if (ts.isBindingPattern(node.name)) { + bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); } - if (declaration.flags & 1048576) { - var type = getReturnTypeFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; + else { + declareSymbolAndAddToSymbolTable(node, 1, 107455); + } + if (ts.isParameterPropertyDeclaration(node)) { + var classDeclaration = node.parent.parent; + declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 | (node.questionToken ? 536870912 : 0), 0); + } + } + function bindFunctionDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + emitFlags |= 8192; } } - if (declaration.kind === 150 && !ts.hasDynamicName(declaration)) { - var setter = ts.getDeclarationOfKind(declaration.symbol, 151); - return getAnnotatedAccessorType(setter); + checkStrictModeFunctionName(node); + if (inStrictMode) { + checkStrictModeFunctionDeclaration(node); + bindBlockScopedDeclaration(node, 16, 106927); } - if (ts.nodeIsMissing(declaration.body)) { - return anyType; + else { + declareSymbolAndAddToSymbolTable(node, 16, 106927); } } - function getSignaturesOfSymbol(symbol) { - if (!symbol) - return emptyArray; - var result = []; - for (var i = 0, len = symbol.declarations.length; i < len; i++) { - var node = symbol.declarations[i]; - switch (node.kind) { - case 157: - case 158: - case 221: - case 148: - case 147: - case 149: - case 152: - case 153: - case 154: - case 150: - case 151: - case 180: - case 181: - case 269: - if (i > 0 && node.body) { - var previous = symbol.declarations[i - 1]; - if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { - break; - } - } - result.push(getSignatureFromDeclaration(node)); + function bindFunctionExpression(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + emitFlags |= 8192; } } - return result; + if (currentFlow) { + node.flowNode = currentFlow; + } + checkStrictModeFunctionName(node); + var bindingName = node.name ? node.name.text : "__function"; + return bindAnonymousDeclaration(node, 16, bindingName); } - function resolveExternalModuleTypeByLiteral(name) { - var moduleSym = resolveExternalModuleName(name, name); - if (moduleSym) { - var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); - if (resolvedModuleSymbol) { - return getTypeOfSymbol(resolvedModuleSymbol); + function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + emitFlags |= 8192; + } + if (ts.nodeIsDecorated(node)) { + emitFlags |= 2048; } } - return anyType; + if (currentFlow && ts.isObjectLiteralOrClassExpressionMethod(node)) { + node.flowNode = currentFlow; + } + return ts.hasDynamicName(node) + ? bindAnonymousDeclaration(node, symbolFlags, "__computed") + : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + function bindJSDocProperty(node) { + return declareSymbolAndAddToSymbolTable(node, 4, 0); + } + function shouldReportErrorOnModuleDeclaration(node) { + var instanceState = getModuleInstanceState(node); + return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); + } + function checkUnreachable(node) { + if (!(currentFlow.flags & 1)) { + return false; + } + if (currentFlow === unreachableFlow) { + var reportError = (ts.isStatementButNotDeclaration(node) && node.kind !== 202) || + node.kind === 222 || + (node.kind === 226 && shouldReportErrorOnModuleDeclaration(node)) || + (node.kind === 225 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); + if (reportError) { + currentFlow = reportedUnreachableFlow; + var reportUnreachableCode = !options.allowUnreachableCode && + !ts.isInAmbientContext(node) && + (node.kind !== 201 || + ts.getCombinedNodeFlags(node.declarationList) & 3 || + ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); + if (reportUnreachableCode) { + errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + } + } + } + return true; + } + } + function computeTransformFlagsForNode(node, subtreeFlags) { + var kind = node.kind; + switch (kind) { + case 175: + return computeCallExpression(node, subtreeFlags); + case 176: + return computeNewExpression(node, subtreeFlags); + case 226: + return computeModuleDeclaration(node, subtreeFlags); + case 179: + return computeParenthesizedExpression(node, subtreeFlags); + case 188: + return computeBinaryExpression(node, subtreeFlags); + case 203: + return computeExpressionStatement(node, subtreeFlags); + case 143: + return computeParameter(node, subtreeFlags); + case 181: + return computeArrowFunction(node, subtreeFlags); + case 180: + return computeFunctionExpression(node, subtreeFlags); + case 221: + return computeFunctionDeclaration(node, subtreeFlags); + case 219: + return computeVariableDeclaration(node, subtreeFlags); + case 220: + return computeVariableDeclarationList(node, subtreeFlags); + case 201: + return computeVariableStatement(node, subtreeFlags); + case 215: + return computeLabeledStatement(node, subtreeFlags); + case 222: + return computeClassDeclaration(node, subtreeFlags); + case 193: + return computeClassExpression(node, subtreeFlags); + case 251: + return computeHeritageClause(node, subtreeFlags); + case 252: + return computeCatchClause(node, subtreeFlags); + case 195: + return computeExpressionWithTypeArguments(node, subtreeFlags); + case 149: + return computeConstructor(node, subtreeFlags); + case 146: + return computePropertyDeclaration(node, subtreeFlags); + case 148: + return computeMethod(node, subtreeFlags); + case 150: + case 151: + return computeAccessor(node, subtreeFlags); + case 230: + return computeImportEquals(node, subtreeFlags); + case 173: + return computePropertyAccess(node, subtreeFlags); + default: + return computeOther(node, kind, subtreeFlags); + } + } + ts.computeTransformFlagsForNode = computeTransformFlagsForNode; + function computeCallExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var expression = node.expression; + var expressionKind = expression.kind; + if (node.typeArguments) { + transformFlags |= 3; + } + if (subtreeFlags & 1048576 + || isSuperOrSuperProperty(expression, expressionKind)) { + transformFlags |= 768; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~537922901; + } + function isSuperOrSuperProperty(node, kind) { + switch (kind) { + case 96: + return true; + case 173: + case 174: + var expression = node.expression; + var expressionKind = expression.kind; + return expressionKind === 96; + } + return false; + } + function computeNewExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.typeArguments) { + transformFlags |= 3; + } + if (subtreeFlags & 1048576) { + transformFlags |= 768; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~537922901; + } + function computeBinaryExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var operatorTokenKind = node.operatorToken.kind; + var leftKind = node.left.kind; + if (operatorTokenKind === 57 + && (leftKind === 172 + || leftKind === 171)) { + transformFlags |= 768 | 1024; } - function getThisTypeOfSignature(signature) { - if (signature.thisParameter) { - return getTypeOfSymbol(signature.thisParameter); - } + else if (operatorTokenKind === 39 + || operatorTokenKind === 61) { + transformFlags |= 192; } - function getReturnTypeOfSignature(signature) { - if (!signature.resolvedReturnType) { - if (!pushTypeResolution(signature, 3)) { - return unknownType; - } - var type = void 0; - if (signature.target) { - type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); - } - else if (signature.unionSignatures) { - type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature), true); - } - else { - type = getReturnTypeFromBody(signature.declaration); - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var declaration = signature.declaration; - if (declaration.name) { - error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); - } - else { - error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); - } - } - } - signature.resolvedReturnType = type; - } - return signature.resolvedReturnType; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeParameter(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var modifierFlags = ts.getModifierFlags(node); + var name = node.name; + var initializer = node.initializer; + var dotDotDotToken = node.dotDotDotToken; + if (node.questionToken + || node.type + || subtreeFlags & 8192 + || ts.isThisIdentifier(name)) { + transformFlags |= 3; } - function getRestTypeOfSignature(signature) { - if (signature.hasRestParameter) { - var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 131072 && type.target === globalArrayType) { - return type.typeArguments[0]; - } - } - return anyType; + if (modifierFlags & 92) { + transformFlags |= 3 | 524288; } - function getSignatureInstantiation(signature, typeArguments) { - return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); + if (subtreeFlags & 8388608 || initializer || dotDotDotToken) { + transformFlags |= 768 | 262144; } - function getErasedSignature(signature) { - if (!signature.typeParameters) - return signature; - if (!signature.erasedSignatureCache) { - signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); - } - return signature.erasedSignatureCache; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~545262933; + } + function computeParenthesizedExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var expression = node.expression; + var expressionKind = expression.kind; + var expressionTransformFlags = expression.transformFlags; + if (expressionKind === 196 + || expressionKind === 178) { + transformFlags |= 3; } - function getOrCreateTypeFromSignature(signature) { - if (!signature.isolatedSignatureType) { - var isConstructor = signature.declaration.kind === 149 || signature.declaration.kind === 153; - var type = createObjectType(2097152); - type.members = emptySymbols; - type.properties = emptyArray; - type.callSignatures = !isConstructor ? [signature] : emptyArray; - type.constructSignatures = isConstructor ? [signature] : emptyArray; - signature.isolatedSignatureType = type; - } - return signature.isolatedSignatureType; + if (expressionTransformFlags & 1024) { + transformFlags |= 1024; } - function getIndexSymbol(symbol) { - return symbol.members["__index"]; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeClassDeclaration(node, subtreeFlags) { + var transformFlags; + var modifierFlags = ts.getModifierFlags(node); + if (modifierFlags & 2) { + transformFlags = 3; } - function getIndexDeclarationOfSymbol(symbol, kind) { - var syntaxKind = kind === 1 ? 131 : 133; - var indexSymbol = getIndexSymbol(symbol); - if (indexSymbol) { - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var node = decl; - if (node.parameters.length === 1) { - var parameter = node.parameters[0]; - if (parameter && parameter.type && parameter.type.kind === syntaxKind) { - return node; - } - } - } + else { + transformFlags = subtreeFlags | 768; + if ((subtreeFlags & 548864) + || (modifierFlags & 1) + || node.typeParameters) { + transformFlags |= 3; + } + if (subtreeFlags & 131072) { + transformFlags |= 32768; } - return undefined; } - function createIndexInfo(type, isReadonly, declaration) { - return { type: type, isReadonly: isReadonly, declaration: declaration }; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~539749717; + } + function computeClassExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (subtreeFlags & 548864 + || node.typeParameters) { + transformFlags |= 3; } - function getIndexInfoOfSymbol(symbol, kind) { - var declaration = getIndexDeclarationOfSymbol(symbol, kind); - if (declaration) { - return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, (ts.getModifierFlags(declaration) & 64) !== 0, declaration); - } - return undefined; + if (subtreeFlags & 131072) { + transformFlags |= 32768; } - function getConstraintDeclaration(type) { - return ts.getDeclarationOfKind(type.symbol, 142).constraint; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~539749717; + } + function computeHeritageClause(node, subtreeFlags) { + var transformFlags = subtreeFlags; + switch (node.token) { + case 84: + transformFlags |= 768; + break; + case 107: + transformFlags |= 3; + break; + default: + ts.Debug.fail("Unexpected token for heritage clause"); + break; } - function hasConstraintReferenceTo(type, target) { - var checked; - while (type && type.flags & 16384 && !(type.isThisType) && !ts.contains(checked, type)) { - if (type === target) { - return true; - } - (checked || (checked = [])).push(type); - var constraintDeclaration = getConstraintDeclaration(type); - type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); - } - return false; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeCatchClause(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.variableDeclaration && ts.isBindingPattern(node.variableDeclaration.name)) { + transformFlags |= 768; } - function getConstraintOfTypeParameter(typeParameter) { - if (!typeParameter.constraint) { - if (typeParameter.target) { - var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); - typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; - } - else { - var constraintDeclaration = getConstraintDeclaration(typeParameter); - var constraint = getTypeFromTypeNode(constraintDeclaration); - if (hasConstraintReferenceTo(constraint, typeParameter)) { - error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); - constraint = unknownType; - } - typeParameter.constraint = constraint; - } - } - return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeExpressionWithTypeArguments(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (node.typeArguments) { + transformFlags |= 3; } - function getParentSymbolOfTypeParameter(typeParameter) { - return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 142).parent); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeConstructor(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (ts.hasModifier(node, 2270) + || !node.body) { + transformFlags |= 3; } - function getTypeListId(types) { - var result = ""; - if (types) { - var length_3 = types.length; - var i = 0; - while (i < length_3) { - var startId = types[i].id; - var count = 1; - while (i + count < length_3 && types[i + count].id === startId + count) { - count++; - } - if (result.length) { - result += ","; - } - result += startId; - if (count > 1) { - result += ":" + count; - } - i += count; - } - } - return result; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~591760725; + } + function computeMethod(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (node.decorators + || ts.hasModifier(node, 2270) + || node.typeParameters + || node.type + || !node.body) { + transformFlags |= 3; } - function getPropagatingFlagsOfTypes(types, excludeKinds) { - var result = 0; - for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { - var type = types_3[_i]; - if (!(type.flags & excludeKinds)) { - result |= type.flags; - } - } - return result & 234881024; + if (ts.hasModifier(node, 256)) { + transformFlags |= 48; } - function createTypeReference(target, typeArguments) { - var id = getTypeListId(typeArguments); - var type = target.instantiations[id]; - if (!type) { - var propagatedFlags = typeArguments ? getPropagatingFlagsOfTypes(typeArguments, 0) : 0; - var flags = 131072 | propagatedFlags; - type = target.instantiations[id] = createObjectType(flags, target.symbol); - type.target = target; - type.typeArguments = typeArguments; - } - return type; + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + transformFlags |= 6144; } - function cloneTypeReference(source) { - var type = createObjectType(source.flags, source.symbol); - type.target = source.target; - type.typeArguments = source.typeArguments; - return type; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~591760725; + } + function computeAccessor(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.decorators + || ts.hasModifier(node, 2270) + || node.type + || !node.body) { + transformFlags |= 3; } - function getTypeReferenceArity(type) { - return type.target.typeParameters ? type.target.typeParameters.length : 0; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~591760725; + } + function computePropertyDeclaration(node, subtreeFlags) { + var transformFlags = subtreeFlags | 3; + if (node.initializer) { + transformFlags |= 16384; } - function getTypeFromClassOrInterfaceReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(getMergedSymbol(symbol)); - var typeParameters = type.localTypeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); - return unknownType; - } - return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias))); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeFunctionDeclaration(node, subtreeFlags) { + var transformFlags; + var modifierFlags = ts.getModifierFlags(node); + var body = node.body; + if (!body || (modifierFlags & 2)) { + transformFlags = 3; + } + else { + transformFlags = subtreeFlags | 33554432; + if (modifierFlags & 1) { + transformFlags |= 3 | 768; } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); - return unknownType; + if (modifierFlags & 2270 + || node.typeParameters + || node.type) { + transformFlags |= 3; } - return type; - } - function getTypeFromTypeAliasReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var links = getSymbolLinks(symbol); - var typeParameters = links.typeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); - return unknownType; - } - var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias); - var id = getTypeListId(typeArguments); - return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); + if (modifierFlags & 256) { + transformFlags |= 48; } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; + if (subtreeFlags & 327680) { + transformFlags |= 768; } - return type; - } - function getTypeFromNonGenericTypeReference(node, symbol) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + transformFlags |= 6144; } - return getDeclaredTypeOfSymbol(symbol); } - function getTypeReferenceName(node) { - switch (node.kind) { - case 156: - return node.typeName; - case 267: - return node.name; - case 195: - var expr = node.expression; - if (ts.isEntityNameExpression(expr)) { - return expr; - } - } - return undefined; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~592293205; + } + function computeFunctionExpression(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (ts.hasModifier(node, 2270) + || node.typeParameters + || node.type) { + transformFlags |= 3; } - function resolveTypeReferenceName(typeReferenceName) { - if (!typeReferenceName) { - return unknownSymbol; - } - return resolveEntityName(typeReferenceName, 793064) || unknownSymbol; + if (ts.hasModifier(node, 256)) { + transformFlags |= 48; } - function getTypeReferenceType(node, symbol) { - if (symbol === unknownSymbol) { - return unknownType; - } - if (symbol.flags & (32 | 64)) { - return getTypeFromClassOrInterfaceReference(node, symbol); - } - if (symbol.flags & 524288) { - return getTypeFromTypeAliasReference(node, symbol); - } - if (symbol.flags & 107455 && node.kind === 267) { - return getTypeOfSymbol(symbol); - } - return getTypeFromNonGenericTypeReference(node, symbol); + if (subtreeFlags & 327680) { + transformFlags |= 768; } - function getTypeFromTypeReference(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var symbol = void 0; - var type = void 0; - if (node.kind === 267) { - var typeReferenceName = getTypeReferenceName(node); - symbol = resolveTypeReferenceName(typeReferenceName); - type = getTypeReferenceType(node, symbol); - } - else { - var typeNameOrExpression = node.kind === 156 - ? node.typeName - : ts.isEntityNameExpression(node.expression) - ? node.expression - : undefined; - symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793064) || unknownSymbol; - type = symbol === unknownSymbol ? unknownType : - symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : - symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : - getTypeFromNonGenericTypeReference(node, symbol); - } - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - return links.resolvedType; + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + transformFlags |= 6144; } - function getTypeFromTypeQueryNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getWidenedType(checkExpression(node.exprName)); - } - return links.resolvedType; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~592293205; + } + function computeArrowFunction(node, subtreeFlags) { + var transformFlags = subtreeFlags | 768; + if (ts.hasModifier(node, 2270) + || node.typeParameters + || node.type) { + transformFlags |= 3; } - function getTypeOfGlobalSymbol(symbol, arity) { - function getTypeDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { - var declaration = declarations_3[_i]; - switch (declaration.kind) { - case 222: - case 223: - case 225: - return declaration; - } - } - } - if (!symbol) { - return arity ? emptyGenericType : emptyObjectType; - } - var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 2588672)) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); - return arity ? emptyGenericType : emptyObjectType; + if (ts.hasModifier(node, 256)) { + transformFlags |= 48; + } + if (subtreeFlags & 32768) { + transformFlags |= 65536; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~592227669; + } + function computePropertyAccess(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var expression = node.expression; + var expressionKind = expression.kind; + if (expressionKind === 96) { + transformFlags |= 32768; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeVariableDeclaration(node, subtreeFlags) { + var transformFlags = subtreeFlags; + var nameKind = node.name.kind; + if (nameKind === 168 || nameKind === 169) { + transformFlags |= 768 | 8388608; + } + if (node.type) { + transformFlags |= 3; + } + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeVariableStatement(node, subtreeFlags) { + var transformFlags; + var modifierFlags = ts.getModifierFlags(node); + var declarationListTransformFlags = node.declarationList.transformFlags; + if (modifierFlags & 2) { + transformFlags = 3; + } + else { + transformFlags = subtreeFlags; + if (modifierFlags & 1) { + transformFlags |= 768 | 3; } - if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); - return arity ? emptyGenericType : emptyObjectType; + if (declarationListTransformFlags & 8388608) { + transformFlags |= 768; } - return type; } - function getGlobalValueSymbol(name) { - return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); - } - function getGlobalTypeSymbol(name) { - return getGlobalSymbol(name, 793064, ts.Diagnostics.Cannot_find_global_type_0); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeLabeledStatement(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (subtreeFlags & 4194304 + && ts.isIterationStatement(node, true)) { + transformFlags |= 768; } - function getGlobalSymbol(name, meaning, diagnostic) { - return resolveName(undefined, name, meaning, diagnostic, name); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeImportEquals(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (!ts.isExternalModuleImportEqualsDeclaration(node)) { + transformFlags |= 3; } - function getGlobalType(name, arity) { - if (arity === void 0) { arity = 0; } - return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeExpressionStatement(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.expression.transformFlags & 1024) { + transformFlags |= 768; } - function getExportedTypeFromNamespace(namespace, name) { - var namespaceSymbol = getGlobalSymbol(namespace, 1920, undefined); - var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793064); - return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~536874325; + } + function computeModuleDeclaration(node, subtreeFlags) { + var transformFlags = 3; + var modifierFlags = ts.getModifierFlags(node); + if ((modifierFlags & 2) === 0) { + transformFlags |= subtreeFlags; } - function createTypedPropertyDescriptorType(propertyType) { - var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); - return globalTypedPropertyDescriptorType !== emptyGenericType - ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) - : emptyObjectType; + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~574729557; + } + function computeVariableDeclarationList(node, subtreeFlags) { + var transformFlags = subtreeFlags | 33554432; + if (subtreeFlags & 8388608) { + transformFlags |= 768; } - function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { - return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + if (node.flags & 3) { + transformFlags |= 768 | 4194304; } - function createIterableType(elementType) { - return createTypeFromGenericGlobalType(getGlobalIterableType(), [elementType]); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~545262933; + } + function computeOther(node, kind, subtreeFlags) { + var transformFlags = subtreeFlags; + var excludeFlags = 536874325; + switch (kind) { + case 119: + case 185: + transformFlags |= 48; + break; + case 113: + case 111: + case 112: + case 116: + case 123: + case 75: + case 225: + case 255: + case 178: + case 196: + case 197: + case 129: + transformFlags |= 3; + break; + case 242: + case 243: + case 244: + case 10: + case 245: + case 246: + case 247: + case 248: + transformFlags |= 12; + break; + case 83: + transformFlags |= 768 | 3; + break; + case 78: + case 12: + case 13: + case 14: + case 15: + case 190: + case 177: + case 254: + case 209: + transformFlags |= 768; + break; + case 191: + transformFlags |= 768 | 16777216; + break; + case 118: + case 131: + case 128: + case 133: + case 121: + case 134: + case 104: + case 142: + case 145: + case 147: + case 152: + case 153: + case 154: + case 155: + case 156: + case 157: + case 158: + case 159: + case 160: + case 161: + case 162: + case 163: + case 164: + case 165: + case 223: + case 224: + case 166: + case 167: + transformFlags = 3; + excludeFlags = -3; + break; + case 141: + transformFlags |= 2097152; + if (subtreeFlags & 32768) { + transformFlags |= 131072; + } + break; + case 192: + transformFlags |= 1048576; + break; + case 96: + transformFlags |= 768; + break; + case 98: + transformFlags |= 32768; + break; + case 168: + case 169: + transformFlags |= 768 | 8388608; + break; + case 144: + transformFlags |= 3 | 8192; + break; + case 172: + excludeFlags = 539110741; + if (subtreeFlags & 2097152) { + transformFlags |= 768; + } + if (subtreeFlags & 131072) { + transformFlags |= 32768; + } + break; + case 171: + case 176: + excludeFlags = 537922901; + if (subtreeFlags & 1048576) { + transformFlags |= 768; + } + break; + case 205: + case 206: + case 207: + case 208: + if (subtreeFlags & 4194304) { + transformFlags |= 768; + } + break; + case 256: + if (subtreeFlags & 65536) { + transformFlags |= 768; + } + break; + case 212: + case 210: + case 211: + transformFlags |= 33554432; + break; } - function createIterableIteratorType(elementType) { - return createTypeFromGenericGlobalType(getGlobalIterableIteratorType(), [elementType]); + node.transformFlags = transformFlags | 536870912; + return transformFlags & ~excludeFlags; + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var ambientModuleSymbolRegex = /^".+"$/; + var nextSymbolId = 1; + var nextNodeId = 1; + var nextMergeId = 1; + var nextFlowId = 1; + function getNodeId(node) { + if (!node.id) { + node.id = nextNodeId; + nextNodeId++; } - function createArrayType(elementType) { - return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + return node.id; + } + ts.getNodeId = getNodeId; + function getSymbolId(symbol) { + if (!symbol.id) { + symbol.id = nextSymbolId; + nextSymbolId++; } - function getTypeFromArrayTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); - } - return links.resolvedType; + return symbol.id; + } + ts.getSymbolId = getSymbolId; + function createTypeChecker(host, produceDiagnostics) { + var cancellationToken; + var Symbol = ts.objectAllocator.getSymbolConstructor(); + var Type = ts.objectAllocator.getTypeConstructor(); + var Signature = ts.objectAllocator.getSignatureConstructor(); + var typeCount = 0; + var symbolCount = 0; + var emptyArray = []; + var emptySymbols = ts.createMap(); + var compilerOptions = host.getCompilerOptions(); + var languageVersion = compilerOptions.target || 0; + var modulekind = ts.getEmitModuleKind(compilerOptions); + var noUnusedIdentifiers = !!compilerOptions.noUnusedLocals || !!compilerOptions.noUnusedParameters; + var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === ts.ModuleKind.System; + var strictNullChecks = compilerOptions.strictNullChecks; + var emitResolver = createResolver(); + var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); + undefinedSymbol.declarations = []; + var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); + var checker = { + getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, + getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, + getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, + getTypeCount: function () { return typeCount; }, + isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, + isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, + isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, + getDiagnostics: getDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getTypeOfSymbolAtLocation: getTypeOfSymbolAtLocation, + getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, + getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, + getPropertiesOfType: getPropertiesOfType, + getPropertyOfType: getPropertyOfType, + getSignaturesOfType: getSignaturesOfType, + getIndexTypeOfType: getIndexTypeOfType, + getBaseTypes: getBaseTypes, + getReturnTypeOfSignature: getReturnTypeOfSignature, + getNonNullableType: getNonNullableType, + getSymbolsInScope: getSymbolsInScope, + getSymbolAtLocation: getSymbolAtLocation, + getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, + getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, + getTypeAtLocation: getTypeOfNode, + getPropertySymbolOfDestructuringAssignment: getPropertySymbolOfDestructuringAssignment, + typeToString: typeToString, + getSymbolDisplayBuilder: getSymbolDisplayBuilder, + symbolToString: symbolToString, + getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, + getRootSymbols: getRootSymbols, + getContextualType: getContextualType, + getFullyQualifiedName: getFullyQualifiedName, + getResolvedSignature: getResolvedSignature, + getConstantValue: getConstantValue, + isValidPropertyAccess: isValidPropertyAccess, + getSignatureFromDeclaration: getSignatureFromDeclaration, + isImplementationOfOverload: isImplementationOfOverload, + getAliasedSymbol: resolveAlias, + getEmitResolver: getEmitResolver, + getExportsOfModule: getExportsOfModuleAsArray, + getAmbientModules: getAmbientModules, + getJsxElementAttributesType: getJsxElementAttributesType, + getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, + isOptionalParameter: isOptionalParameter + }; + var tupleTypes = []; + var unionTypes = ts.createMap(); + var intersectionTypes = ts.createMap(); + var stringLiteralTypes = ts.createMap(); + var numericLiteralTypes = ts.createMap(); + var evolvingArrayTypes = []; + var unknownSymbol = createSymbol(4 | 67108864, "unknown"); + var resolvingSymbol = createSymbol(67108864, "__resolving__"); + var anyType = createIntrinsicType(1, "any"); + var autoType = createIntrinsicType(1, "any"); + var unknownType = createIntrinsicType(1, "unknown"); + var undefinedType = createIntrinsicType(2048, "undefined"); + var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 | 524288, "undefined"); + var nullType = createIntrinsicType(4096, "null"); + var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 | 524288, "null"); + var stringType = createIntrinsicType(2, "string"); + var numberType = createIntrinsicType(4, "number"); + var trueType = createIntrinsicType(128, "true"); + var falseType = createIntrinsicType(128, "false"); + var booleanType = createBooleanType([trueType, falseType]); + var esSymbolType = createIntrinsicType(512, "symbol"); + var voidType = createIntrinsicType(1024, "void"); + var neverType = createIntrinsicType(8192, "never"); + var silentNeverType = createIntrinsicType(8192, "never"); + var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + emptyGenericType.instantiations = ts.createMap(); + var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + anyFunctionType.flags |= 2097152; + var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); + var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); + var resolvingSignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false); + var silentNeverSignature = createSignature(undefined, undefined, undefined, emptyArray, silentNeverType, undefined, 0, false, false); + var enumNumberIndexInfo = createIndexInfo(stringType, true); + var globals = ts.createMap(); + var patternAmbientModules; + var getGlobalESSymbolConstructorSymbol; + var getGlobalPromiseConstructorSymbol; + var tryGetGlobalPromiseConstructorSymbol; + var globalObjectType; + var globalFunctionType; + var globalArrayType; + var globalReadonlyArrayType; + var globalStringType; + var globalNumberType; + var globalBooleanType; + var globalRegExpType; + var anyArrayType; + var autoArrayType; + var anyReadonlyArrayType; + var getGlobalTemplateStringsArrayType; + var getGlobalESSymbolType; + var getGlobalIterableType; + var getGlobalIteratorType; + var getGlobalIterableIteratorType; + var getGlobalClassDecoratorType; + var getGlobalParameterDecoratorType; + var getGlobalPropertyDecoratorType; + var getGlobalMethodDecoratorType; + var getGlobalTypedPropertyDescriptorType; + var getGlobalPromiseType; + var tryGetGlobalPromiseType; + var getGlobalPromiseLikeType; + var getInstantiatedGlobalPromiseLikeType; + var getGlobalPromiseConstructorLikeType; + var getGlobalThenableType; + var jsxElementClassType; + var deferredNodes; + var deferredUnusedIdentifierNodes; + var flowLoopStart = 0; + var flowLoopCount = 0; + var visitedFlowCount = 0; + var emptyStringType = getLiteralTypeForText(32, ""); + var zeroType = getLiteralTypeForText(64, "0"); + var resolutionTargets = []; + var resolutionResults = []; + var resolutionPropertyNames = []; + var mergedSymbols = []; + var symbolLinks = []; + var nodeLinks = []; + var flowLoopCaches = []; + var flowLoopNodes = []; + var flowLoopKeys = []; + var flowLoopTypes = []; + var visitedFlowNodes = []; + var visitedFlowTypes = []; + var potentialThisCollisions = []; + var awaitedTypeStack = []; + var diagnostics = ts.createDiagnosticCollection(); + var typeofEQFacts = ts.createMap({ + "string": 1, + "number": 2, + "boolean": 4, + "symbol": 8, + "undefined": 16384, + "object": 16, + "function": 32 + }); + var typeofNEFacts = ts.createMap({ + "string": 128, + "number": 256, + "boolean": 512, + "symbol": 1024, + "undefined": 131072, + "object": 2048, + "function": 4096 + }); + var typeofTypesByName = ts.createMap({ + "string": stringType, + "number": numberType, + "boolean": booleanType, + "symbol": esSymbolType, + "undefined": undefinedType + }); + var jsxElementType; + var jsxTypes = ts.createMap(); + var JsxNames = { + JSX: "JSX", + IntrinsicElements: "IntrinsicElements", + ElementClass: "ElementClass", + ElementAttributesPropertyNameContainer: "ElementAttributesProperty", + Element: "Element", + IntrinsicAttributes: "IntrinsicAttributes", + IntrinsicClassAttributes: "IntrinsicClassAttributes" + }; + var subtypeRelation = ts.createMap(); + var assignableRelation = ts.createMap(); + var comparableRelation = ts.createMap(); + var identityRelation = ts.createMap(); + var enumRelation = ts.createMap(); + var _displayBuilder; + var builtinGlobals = ts.createMap(); + builtinGlobals[undefinedSymbol.name] = undefinedSymbol; + initializeTypeChecker(); + return checker; + function getEmitResolver(sourceFile, cancellationToken) { + getDiagnostics(sourceFile, cancellationToken); + return emitResolver; } - function createTupleTypeOfArity(arity) { - var typeParameters = []; - var properties = []; - for (var i = 0; i < arity; i++) { - var typeParameter = createType(16384); - typeParameters.push(typeParameter); - var property = createSymbol(4 | 67108864, "" + i); - property.type = typeParameter; - properties.push(property); - } - var type = createObjectType(262144 | 131072); - type.typeParameters = typeParameters; - type.outerTypeParameters = undefined; - type.localTypeParameters = typeParameters; - type.instantiations = ts.createMap(); - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(16384); - type.thisType.isThisType = true; - type.thisType.constraint = type; - type.declaredProperties = properties; - type.declaredCallSignatures = emptyArray; - type.declaredConstructSignatures = emptyArray; - type.declaredStringIndexInfo = undefined; - type.declaredNumberIndexInfo = undefined; - return type; + function error(location, message, arg0, arg1, arg2) { + var diagnostic = location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); + diagnostics.add(diagnostic); } - function getTupleTypeOfArity(arity) { - return tupleTypes[arity] || (tupleTypes[arity] = createTupleTypeOfArity(arity)); + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); } - function createTupleType(elementTypes) { - return createTypeReference(getTupleTypeOfArity(elementTypes.length), elementTypes); + function getExcludedSymbolFlags(flags) { + var result = 0; + if (flags & 2) + result |= 107455; + if (flags & 1) + result |= 107454; + if (flags & 4) + result |= 0; + if (flags & 8) + result |= 900095; + if (flags & 16) + result |= 106927; + if (flags & 32) + result |= 899519; + if (flags & 64) + result |= 792968; + if (flags & 256) + result |= 899327; + if (flags & 128) + result |= 899967; + if (flags & 512) + result |= 106639; + if (flags & 8192) + result |= 99263; + if (flags & 32768) + result |= 41919; + if (flags & 65536) + result |= 74687; + if (flags & 262144) + result |= 530920; + if (flags & 524288) + result |= 793064; + if (flags & 8388608) + result |= 8388608; + return result; } - function getTypeFromTupleTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNodeNoAlias)); + function recordMergedSymbol(target, source) { + if (!source.mergeId) { + source.mergeId = nextMergeId; + nextMergeId++; } - return links.resolvedType; + mergedSymbols[source.mergeId] = target; } - function binarySearchTypes(types, type) { - var low = 0; - var high = types.length - 1; - var typeId = type.id; - while (low <= high) { - var middle = low + ((high - low) >> 1); - var id = types[middle].id; - if (id === typeId) { - return middle; + function cloneSymbol(symbol) { + var result = createSymbol(symbol.flags | 33554432, symbol.name); + result.declarations = symbol.declarations.slice(0); + result.parent = symbol.parent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = ts.cloneMap(symbol.members); + if (symbol.exports) + result.exports = ts.cloneMap(symbol.exports); + recordMergedSymbol(result, symbol); + return result; + } + function mergeSymbol(target, source) { + if (!(target.flags & getExcludedSymbolFlags(source.flags))) { + if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { + target.constEnumOnlyModule = false; } - else if (id > typeId) { - high = middle - 1; + target.flags |= source.flags; + if (source.valueDeclaration && + (!target.valueDeclaration || + (target.valueDeclaration.kind === 226 && source.valueDeclaration.kind !== 226))) { + target.valueDeclaration = source.valueDeclaration; } - else { - low = middle + 1; + ts.forEach(source.declarations, function (node) { + target.declarations.push(node); + }); + if (source.members) { + if (!target.members) + target.members = ts.createMap(); + mergeSymbolTable(target.members, source.members); } - } - return ~low; - } - function containsType(types, type) { - return binarySearchTypes(types, type) >= 0; - } - function addTypeToUnion(typeSet, type) { - var flags = type.flags; - if (flags & 524288) { - addTypesToUnion(typeSet, type.types); - } - else if (flags & 1) { - typeSet.containsAny = true; - } - else if (!strictNullChecks && flags & 6144) { - if (flags & 2048) - typeSet.containsUndefined = true; - if (flags & 4096) - typeSet.containsNull = true; - if (!(flags & 33554432)) - typeSet.containsNonWideningType = true; - } - else if (!(flags & 8192)) { - if (flags & 2) - typeSet.containsString = true; - if (flags & 4) - typeSet.containsNumber = true; - if (flags & 96) - typeSet.containsStringOrNumberLiteral = true; - var len = typeSet.length; - var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type); - if (index < 0) { - if (!(flags & 2097152 && type.symbol && type.symbol.flags & (16 | 8192) && containsIdenticalType(typeSet, type))) { - typeSet.splice(~index, 0, type); - } + if (source.exports) { + if (!target.exports) + target.exports = ts.createMap(); + mergeSymbolTable(target.exports, source.exports); } + recordMergedSymbol(target, source); } - } - function addTypesToUnion(typeSet, types) { - for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { - var type = types_4[_i]; - addTypeToUnion(typeSet, type); - } - } - function containsIdenticalType(types, type) { - for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { - var t = types_5[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; - } + else { + var message_2 = target.flags & 2 || source.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(source.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + ts.forEach(target.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); } - return false; } - function isSubtypeOfAny(candidate, types) { - for (var i = 0, len = types.length; i < len; i++) { - if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { - return true; + function mergeSymbolTable(target, source) { + for (var id in source) { + var targetSymbol = target[id]; + if (!targetSymbol) { + target[id] = source[id]; } - } - return false; - } - function isSetOfLiteralsFromSameEnum(types) { - var first = types[0]; - if (first.flags & 256) { - var firstEnum = getParentOfSymbol(first.symbol); - for (var i = 1; i < types.length; i++) { - var other = types[i]; - if (!(other.flags & 256) || (firstEnum !== getParentOfSymbol(other.symbol))) { - return false; + else { + if (!(targetSymbol.flags & 33554432)) { + target[id] = targetSymbol = cloneSymbol(targetSymbol); } + mergeSymbol(targetSymbol, source[id]); } - return true; } - return false; } - function removeSubtypes(types) { - if (types.length === 0 || isSetOfLiteralsFromSameEnum(types)) { + function mergeModuleAugmentation(moduleName) { + var moduleAugmentation = moduleName.parent; + if (moduleAugmentation.symbol.declarations[0] !== moduleAugmentation) { + ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); return; } - var i = types.length; - while (i > 0) { - i--; - if (isSubtypeOfAny(types[i], types)) { - ts.orderedRemoveItemAt(types, i); - } + if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { + mergeSymbolTable(globals, moduleAugmentation.symbol.exports); } - } - function removeRedundantLiteralTypes(types) { - var i = types.length; - while (i > 0) { - i--; - var t = types[i]; - var remove = t.flags & 32 && types.containsString || - t.flags & 64 && types.containsNumber || - t.flags & 96 && t.flags & 16777216 && containsType(types, t.regularType); - if (remove) { - ts.orderedRemoveItemAt(types, i); + else { + var moduleNotFoundError = !ts.isInAmbientContext(moduleName.parent.parent) + ? ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found + : undefined; + var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, moduleNotFoundError); + if (!mainModule) { + return; } - } - } - function getUnionType(types, subtypeReduction, aliasSymbol, aliasTypeArguments) { - if (types.length === 0) { - return neverType; - } - if (types.length === 1) { - return types[0]; - } - var typeSet = []; - addTypesToUnion(typeSet, types); - if (typeSet.containsAny) { - return anyType; - } - if (subtypeReduction) { - removeSubtypes(typeSet); - } - else if (typeSet.containsStringOrNumberLiteral) { - removeRedundantLiteralTypes(typeSet); - } - if (typeSet.length === 0) { - return typeSet.containsNull ? typeSet.containsNonWideningType ? nullType : nullWideningType : - typeSet.containsUndefined ? typeSet.containsNonWideningType ? undefinedType : undefinedWideningType : - neverType; - } - return getUnionTypeFromSortedList(typeSet, aliasSymbol, aliasTypeArguments); - } - function getUnionTypeFromSortedList(types, aliasSymbol, aliasTypeArguments) { - if (types.length === 0) { - return neverType; - } - if (types.length === 1) { - return types[0]; - } - var id = getTypeListId(types); - var type = unionTypes[id]; - if (!type) { - var propagatedFlags = getPropagatingFlagsOfTypes(types, 6144); - type = unionTypes[id] = createObjectType(524288 | propagatedFlags); - type.types = types; - type.aliasSymbol = aliasSymbol; - type.aliasTypeArguments = aliasTypeArguments; - } - return type; - } - function getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), false, aliasSymbol, aliasTypeArguments); - } - return links.resolvedType; - } - function addTypeToIntersection(typeSet, type) { - if (type.flags & 1048576) { - addTypesToIntersection(typeSet, type.types); - } - else if (type.flags & 1) { - typeSet.containsAny = true; - } - else if (!(type.flags & 8192) && (strictNullChecks || !(type.flags & 6144)) && !ts.contains(typeSet, type)) { - typeSet.push(type); - } - } - function addTypesToIntersection(typeSet, types) { - for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { - var type = types_6[_i]; - addTypeToIntersection(typeSet, type); - } - } - function getIntersectionType(types, aliasSymbol, aliasTypeArguments) { - if (types.length === 0) { - return emptyObjectType; - } - var typeSet = []; - addTypesToIntersection(typeSet, types); - if (typeSet.containsAny) { - return anyType; - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = intersectionTypes[id]; - if (!type) { - var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, 6144); - type = intersectionTypes[id] = createObjectType(1048576 | propagatedFlags); - type.types = typeSet; - type.aliasSymbol = aliasSymbol; - type.aliasTypeArguments = aliasTypeArguments; - } - return type; - } - function getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), aliasSymbol, aliasTypeArguments); - } - return links.resolvedType; - } - function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = createObjectType(2097152, node.symbol); - type.aliasSymbol = aliasSymbol; - type.aliasTypeArguments = aliasTypeArguments; - links.resolvedType = type; - } - return links.resolvedType; - } - function createLiteralType(flags, text) { - var type = createType(flags); - type.text = text; - return type; - } - function getFreshTypeOfLiteralType(type) { - if (type.flags & 96 && !(type.flags & 16777216)) { - if (!type.freshType) { - var freshType = createLiteralType(type.flags | 16777216, type.text); - freshType.regularType = type; - type.freshType = freshType; + mainModule = resolveExternalModuleSymbol(mainModule); + if (mainModule.flags & 1920) { + mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); + mergeSymbol(mainModule, moduleAugmentation.symbol); } - return type.freshType; - } - return type; - } - function getRegularTypeOfLiteralType(type) { - return type.flags & 96 && type.flags & 16777216 ? type.regularType : type; - } - function getLiteralTypeForText(flags, text) { - var map = flags & 32 ? stringLiteralTypes : numericLiteralTypes; - return map[text] || (map[text] = createLiteralType(flags, text)); - } - function getTypeFromLiteralTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getRegularTypeOfLiteralType(checkExpression(node.literal)); - } - return links.resolvedType; - } - function getTypeFromJSDocVariadicType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = getTypeFromTypeNode(node.type); - links.resolvedType = type ? createArrayType(type) : unknownType; - } - return links.resolvedType; - } - function getTypeFromJSDocTupleType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var types = ts.map(node.types, getTypeFromTypeNodeNoAlias); - links.resolvedType = createTupleType(types); - } - return links.resolvedType; - } - function getThisType(node) { - var container = ts.getThisContainer(node, false); - var parent = container && container.parent; - if (parent && (ts.isClassLike(parent) || parent.kind === 223)) { - if (!(ts.getModifierFlags(container) & 32) && - (container.kind !== 149 || ts.isNodeDescendantOf(node, container.body))) { - return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; + else { + error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); } } - error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); - return unknownType; - } - function getTypeFromThisTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getThisType(node); - } - return links.resolvedType; - } - function getTypeFromTypeNodeNoAlias(type) { - return getTypeFromTypeNode(type, undefined, undefined); - } - function getTypeFromTypeNode(node, aliasSymbol, aliasTypeArguments) { - switch (node.kind) { - case 118: - case 258: - case 259: - return anyType; - case 133: - return stringType; - case 131: - return numberType; - case 121: - return booleanType; - case 134: - return esSymbolType; - case 104: - return voidType; - case 136: - return undefinedType; - case 94: - return nullType; - case 128: - return neverType; - case 283: - return nullType; - case 284: - return undefinedType; - case 285: - return neverType; - case 166: - case 98: - return getTypeFromThisTypeNode(node); - case 167: - return getTypeFromLiteralTypeNode(node); - case 282: - return getTypeFromLiteralTypeNode(node.literal); - case 156: - case 267: - return getTypeFromTypeReference(node); - case 155: - return booleanType; - case 195: - return getTypeFromTypeReference(node); - case 159: - return getTypeFromTypeQueryNode(node); - case 161: - case 260: - return getTypeFromArrayTypeNode(node); - case 162: - return getTypeFromTupleTypeNode(node); - case 163: - case 261: - return getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments); - case 164: - return getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments); - case 165: - case 263: - case 264: - case 271: - case 272: - case 268: - return getTypeFromTypeNode(node.type); - case 265: - return getTypeFromTypeNode(node.literal); - case 157: - case 158: - case 160: - case 281: - case 269: - return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments); - case 70: - case 140: - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - case 262: - return getTypeFromJSDocTupleType(node); - case 270: - return getTypeFromJSDocVariadicType(node); - default: - return unknownType; - } } - function instantiateList(items, mapper, instantiator) { - if (items && items.length) { - var result = []; - for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { - var v = items_1[_i]; - result.push(instantiator(v, mapper)); + function addToSymbolTable(target, source, message) { + for (var id in source) { + if (target[id]) { + ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); } - return result; - } - return items; - } - function createUnaryTypeMapper(source, target) { - return function (t) { return t === source ? target : t; }; - } - function createBinaryTypeMapper(source1, target1, source2, target2) { - return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; - } - function createArrayTypeMapper(sources, targets) { - return function (t) { - for (var i = 0; i < sources.length; i++) { - if (t === sources[i]) { - return targets ? targets[i] : anyType; - } + else { + target[id] = source[id]; } - return t; - }; - } - function createTypeMapper(sources, targets) { - var count = sources.length; - var mapper = count == 1 ? createUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) : - count == 2 ? createBinaryTypeMapper(sources[0], targets ? targets[0] : anyType, sources[1], targets ? targets[1] : anyType) : - createArrayTypeMapper(sources, targets); - mapper.mappedTypes = sources; - mapper.targetTypes = targets; - return mapper; - } - function createTypeEraser(sources) { - return createTypeMapper(sources, undefined); - } - function getInferenceMapper(context) { - if (!context.mapper) { - var mapper = function (t) { - var typeParameters = context.signature.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (t === typeParameters[i]) { - context.inferences[i].isFixed = true; - return getInferredType(context, i); - } - } - return t; - }; - mapper.mappedTypes = context.signature.typeParameters; - mapper.context = context; - context.mapper = mapper; } - return context.mapper; + function addDeclarationDiagnostic(id, message) { + return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + } } - function identityMapper(type) { - return type; + function getSymbolLinks(symbol) { + if (symbol.flags & 67108864) + return symbol; + var id = getSymbolId(symbol); + return symbolLinks[id] || (symbolLinks[id] = {}); } - function combineTypeMappers(mapper1, mapper2) { - var mapper = function (t) { return instantiateType(mapper1(t), mapper2); }; - mapper.mappedTypes = mapper1.mappedTypes; - return mapper; + function getNodeLinks(node) { + var nodeId = getNodeId(node); + return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 }); } - function cloneTypeParameter(typeParameter) { - var result = createType(16384); - result.symbol = typeParameter.symbol; - result.target = typeParameter; - return result; + function getObjectFlags(type) { + return type.flags & 32768 ? type.objectFlags : 0; } - function cloneTypePredicate(predicate, mapper) { - if (ts.isIdentifierTypePredicate(predicate)) { - return { - kind: 1, - parameterName: predicate.parameterName, - parameterIndex: predicate.parameterIndex, - type: instantiateType(predicate.type, mapper) - }; - } - else { - return { - kind: 0, - type: instantiateType(predicate.type, mapper) - }; - } + function isGlobalSourceFile(node) { + return node.kind === 256 && !ts.isExternalOrCommonJsModule(node); } - function instantiateSignature(signature, mapper, eraseTypeParameters) { - var freshTypeParameters; - var freshTypePredicate; - if (signature.typeParameters && !eraseTypeParameters) { - freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); - mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); - for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { - var tp = freshTypeParameters_1[_i]; - tp.mapper = mapper; + function getSymbol(symbols, name, meaning) { + if (meaning) { + var symbol = symbols[name]; + if (symbol) { + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + if (symbol.flags & meaning) { + return symbol; + } + if (symbol.flags & 8388608) { + var target = resolveAlias(symbol); + if (target === unknownSymbol || target.flags & meaning) { + return symbol; + } + } } } - if (signature.typePredicate) { - freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); + } + function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { + var constructorDeclaration = parameter.parent; + var classDeclaration = parameter.parent.parent; + var parameterSymbol = getSymbol(constructorDeclaration.locals, parameterName, 107455); + var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); + if (parameterSymbol && propertySymbol) { + return [parameterSymbol, propertySymbol]; } - var result = createSignature(signature.declaration, freshTypeParameters, signature.thisParameter && instantiateSymbol(signature.thisParameter, mapper), instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasLiteralTypes); - result.target = signature; - result.mapper = mapper; - return result; + ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); } - function instantiateSymbol(symbol, mapper) { - if (symbol.flags & 16777216) { - var links = getSymbolLinks(symbol); - symbol = links.target; - mapper = combineTypeMappers(links.mapper, mapper); + function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { + var declarationFile = ts.getSourceFileOfNode(declaration); + var useFile = ts.getSourceFileOfNode(usage); + if (declarationFile !== useFile) { + if ((modulekind && (declarationFile.externalModuleIndicator || useFile.externalModuleIndicator)) || + (!compilerOptions.outFile && !compilerOptions.out)) { + return true; + } + if (isUsedInFunctionOrNonStaticProperty(usage)) { + return true; + } + var sourceFiles = host.getSourceFiles(); + return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); } - var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); - result.declarations = symbol.declarations; - result.parent = symbol.parent; - result.target = symbol; - result.mapper = mapper; - if (symbol.valueDeclaration) { - result.valueDeclaration = symbol.valueDeclaration; + if (declaration.pos <= usage.pos) { + return declaration.kind !== 219 || + !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); } - return result; - } - function instantiateAnonymousType(type, mapper) { - if (mapper.instantiations) { - var cachedType = mapper.instantiations[type.id]; - if (cachedType) { - return cachedType; + var container = ts.getEnclosingBlockScopeContainer(declaration); + return isUsedInFunctionOrNonStaticProperty(usage, container); + function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + switch (declaration.parent.parent.kind) { + case 201: + case 207: + case 209: + if (isSameScopeDescendentOf(usage, declaration, container)) { + return true; + } + break; + } + switch (declaration.parent.parent.kind) { + case 208: + case 209: + if (isSameScopeDescendentOf(usage, declaration.parent.parent.expression, container)) { + return true; + } } + return false; } - else { - mapper.instantiations = []; + function isUsedInFunctionOrNonStaticProperty(usage, container) { + var current = usage; + while (current) { + if (current === container) { + return false; + } + if (ts.isFunctionLike(current)) { + return true; + } + var initializerOfNonStaticProperty = current.parent && + current.parent.kind === 146 && + (ts.getModifierFlags(current.parent) & 32) === 0 && + current.parent.initializer === current; + if (initializerOfNonStaticProperty) { + return true; + } + current = current.parent; + } + return false; } - var result = createObjectType(2097152 | 4194304, type.symbol); - result.target = type; - result.mapper = mapper; - result.aliasSymbol = type.aliasSymbol; - result.aliasTypeArguments = mapper.targetTypes; - mapper.instantiations[type.id] = result; - return result; } - function isSymbolInScopeOfMappedTypeParameter(symbol, mapper) { - var mappedTypes = mapper.mappedTypes; - var node = symbol.declarations[0].parent; - while (node) { - switch (node.kind) { - case 157: - case 158: - case 221: + function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { + var result; + var lastLocation; + var propertyWithInvalidInitializer; + var errorLocation = location; + var grandparent; + var isInExternalModule = false; + loop: while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + if (result = getSymbol(location.locals, name, meaning)) { + var useResult = true; + if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { + if (meaning & result.flags & 793064 && lastLocation.kind !== 273) { + useResult = result.flags & 262144 + ? lastLocation === location.type || + lastLocation.kind === 143 || + lastLocation.kind === 142 + : false; + } + if (meaning & 107455 && result.flags & 1) { + useResult = + lastLocation.kind === 143 || + (lastLocation === location.type && + result.valueDeclaration.kind === 143); + } + } + if (useResult) { + break loop; + } + else { + result = undefined; + } + } + } + switch (location.kind) { + case 256: + if (!ts.isExternalOrCommonJsModule(location)) + break; + isInExternalModule = true; + case 226: + var moduleExports = getSymbolOfNode(location).exports; + if (location.kind === 256 || ts.isAmbientModule(location)) { + if (result = moduleExports["default"]) { + var localSymbol = ts.getLocalSymbolForExportDefault(result); + if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { + break loop; + } + result = undefined; + } + if (moduleExports[name] && + moduleExports[name].flags === 8388608 && + ts.getDeclarationOfKind(moduleExports[name], 239)) { + break; + } + } + if (result = getSymbol(moduleExports, name, meaning & 8914931)) { + break loop; + } + break; + case 225: + if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { + break loop; + } + break; + case 146: + case 145: + if (ts.isClassLike(location.parent) && !(ts.getModifierFlags(location) & 32)) { + var ctor = findConstructorDeclaration(location.parent); + if (ctor && ctor.locals) { + if (getSymbol(ctor.locals, name, meaning & 107455)) { + propertyWithInvalidInitializer = location; + } + } + } + break; + case 222: + case 193: + case 223: + if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793064)) { + if (lastLocation && ts.getModifierFlags(lastLocation) & 32) { + error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); + return undefined; + } + break loop; + } + if (location.kind === 193 && meaning & 32) { + var className = location.name; + if (className && name === className.text) { + result = location.symbol; + break loop; + } + } + break; + case 141: + grandparent = location.parent.parent; + if (ts.isClassLike(grandparent) || grandparent.kind === 223) { + if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793064)) { + error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); + return undefined; + } + } + break; case 148: case 147: case 149: - case 152: - case 153: - case 154: case 150: case 151: - case 180: + case 221: case 181: - case 222: - case 193: - case 223: - case 224: - var declaration = node; - if (declaration.typeParameters) { - for (var _i = 0, _a = declaration.typeParameters; _i < _a.length; _i++) { - var d = _a[_i]; - if (ts.contains(mappedTypes, getDeclaredTypeOfTypeParameter(getSymbolOfNode(d)))) { - return true; - } - } + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; } - if (ts.isClassLike(node) || node.kind === 223) { - var thisType = getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType; - if (thisType && ts.contains(mappedTypes, thisType)) { - return true; + break; + case 180: + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; + } + if (meaning & 16) { + var functionName = location.name; + if (functionName && name === functionName.text) { + result = location.symbol; + break loop; } } break; - case 226: - case 256: - return false; + case 144: + if (location.parent && location.parent.kind === 143) { + location = location.parent; + } + if (location.parent && ts.isClassElement(location.parent)) { + location = location.parent; + } + break; } - node = node.parent; + lastLocation = location; + location = location.parent; } - return false; - } - function instantiateType(type, mapper) { - if (type && mapper !== identityMapper) { - if (type.flags & 16384) { - return mapper(type); - } - if (type.flags & 2097152) { - return type.symbol && - type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) && - (type.flags & 4194304 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? - instantiateAnonymousType(type, mapper) : type; + if (result && nameNotFoundMessage && noUnusedIdentifiers) { + result.isReferenced = true; + } + if (!result) { + result = getSymbol(globals, name, meaning); + } + if (!result) { + if (nameNotFoundMessage) { + if (!errorLocation || + !checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) && + !checkAndReportErrorForExtendingInterface(errorLocation) && + !checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning)) { + error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + } } - if (type.flags & 131072) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + return undefined; + } + if (nameNotFoundMessage) { + if (propertyWithInvalidInitializer) { + var propertyName = propertyWithInvalidInitializer.name; + error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return undefined; } - if (type.flags & 524288 && !(type.flags & 8190)) { - return getUnionType(instantiateList(type.types, mapper, instantiateType), false, type.aliasSymbol, mapper.targetTypes); + if (meaning & 2) { + var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); + if (exportOrLocalSymbol.flags & 2) { + checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); + } } - if (type.flags & 1048576) { - return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes); + if (result && isInExternalModule && (meaning & 107455) === 107455) { + var decls = result.declarations; + if (decls && decls.length === 1 && decls[0].kind === 229) { + error(errorLocation, ts.Diagnostics._0_refers_to_a_UMD_global_but_the_current_file_is_a_module_Consider_adding_an_import_instead, name); + } } } - return type; - } - function instantiateIndexInfo(info, mapper) { - return info && createIndexInfo(instantiateType(info.type, mapper), info.isReadonly, info.declaration); - } - function isContextSensitive(node) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - switch (node.kind) { - case 180: - case 181: - return isContextSensitiveFunctionLikeDeclaration(node); - case 172: - return ts.forEach(node.properties, isContextSensitive); - case 171: - return ts.forEach(node.elements, isContextSensitive); - case 189: - return isContextSensitive(node.whenTrue) || - isContextSensitive(node.whenFalse); - case 188: - return node.operatorToken.kind === 53 && - (isContextSensitive(node.left) || isContextSensitive(node.right)); - case 253: - return isContextSensitive(node.initializer); - case 148: - case 147: - return isContextSensitiveFunctionLikeDeclaration(node); - case 179: - return isContextSensitive(node.expression); - } - return false; + return result; } - function isContextSensitiveFunctionLikeDeclaration(node) { - if (node.typeParameters) { + function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { + if ((errorLocation.kind === 70 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { return false; } - if (ts.forEach(node.parameters, function (p) { return !p.type; })) { - return true; + var container = ts.getThisContainer(errorLocation, true); + var location = container; + while (location) { + if (ts.isClassLike(location.parent)) { + var classSymbol = getSymbolOfNode(location.parent); + if (!classSymbol) { + break; + } + var constructorType = getTypeOfSymbol(classSymbol); + if (getPropertyOfType(constructorType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); + return true; + } + if (location === container && !(ts.getModifierFlags(location) & 32)) { + var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; + if (getPropertyOfType(instanceType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return true; + } + } + } + location = location.parent; } - if (node.kind === 181) { - return false; + return false; + } + function checkAndReportErrorForExtendingInterface(errorLocation) { + var expression = getEntityNameForExtendingInterface(errorLocation); + var isError = !!(expression && resolveEntityName(expression, 64, true)); + if (isError) { + error(errorLocation, ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements, ts.getTextOfNode(expression)); } - var parameter = ts.firstOrUndefined(node.parameters); - return !(parameter && ts.parameterIsThisKeyword(parameter)); + return isError; } - function isContextSensitiveFunctionOrObjectLiteralMethod(func) { - return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func); + function getEntityNameForExtendingInterface(node) { + switch (node.kind) { + case 70: + case 173: + return node.parent ? getEntityNameForExtendingInterface(node.parent) : undefined; + case 195: + ts.Debug.assert(ts.isEntityNameExpression(node.expression)); + return node.expression; + default: + return undefined; + } } - function getTypeWithoutSignatures(type) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.constructSignatures.length) { - var result = createObjectType(2097152, type.symbol); - result.members = resolved.members; - result.properties = resolved.properties; - result.callSignatures = emptyArray; - result.constructSignatures = emptyArray; - type = result; + function checkAndReportErrorForUsingTypeAsValue(errorLocation, name, meaning) { + if (meaning & (107455 & ~1024)) { + var symbol = resolveSymbol(resolveName(errorLocation, name, 793064 & ~107455, undefined, undefined)); + if (symbol && !(symbol.flags & 1024)) { + error(errorLocation, ts.Diagnostics._0_only_refers_to_a_type_but_is_being_used_as_a_value_here, name); + return true; } } - return type; - } - function isTypeIdenticalTo(source, target) { - return isTypeRelatedTo(source, target, identityRelation); - } - function compareTypesIdentical(source, target) { - return isTypeRelatedTo(source, target, identityRelation) ? -1 : 0; - } - function compareTypesAssignable(source, target) { - return isTypeRelatedTo(source, target, assignableRelation) ? -1 : 0; - } - function isTypeSubtypeOf(source, target) { - return isTypeRelatedTo(source, target, subtypeRelation); - } - function isTypeAssignableTo(source, target) { - return isTypeRelatedTo(source, target, assignableRelation); - } - function isTypeInstanceOf(source, target) { - return source === target || isTypeSubtypeOf(source, target) && !isTypeIdenticalTo(source, target); - } - function isTypeComparableTo(source, target) { - return isTypeRelatedTo(source, target, comparableRelation); - } - function areTypesComparable(type1, type2) { - return isTypeComparableTo(type1, type2) || isTypeComparableTo(type2, type1); - } - function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeComparableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, comparableRelation, errorNode, headMessage, containingMessageChain); - } - function isSignatureAssignableTo(source, target, ignoreReturnTypes) { - return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; + return false; } - function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { - if (source === target) { - return -1; + function checkResolvedBlockScopedVariable(result, errorLocation) { + ts.Debug.assert((result.flags & 2) !== 0); + var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); + ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); + if (!ts.isInAmbientContext(declaration) && !isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 219), errorLocation)) { + error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); } - if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { - return 0; + } + function isSameScopeDescendentOf(initial, parent, stopAt) { + if (!parent) { + return false; } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - var sourceThisType = getThisTypeOfSignature(source); - if (sourceThisType && sourceThisType !== voidType) { - var targetThisType = getThisTypeOfSignature(target); - if (targetThisType) { - var related = compareTypes(sourceThisType, targetThisType, false) - || compareTypes(targetThisType, sourceThisType, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.The_this_types_of_each_signature_are_incompatible); - } - return 0; - } - result &= related; + for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { + if (current === parent) { + return true; } } - var sourceMax = getNumNonRestParameters(source); - var targetMax = getNumNonRestParameters(target); - var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); - var sourceParams = source.parameters; - var targetParams = target.parameters; - for (var i = 0; i < checkCount; i++) { - var s = i < sourceMax ? getTypeOfParameter(sourceParams[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfParameter(targetParams[i]) : getRestTypeOfSignature(target); - var related = compareTypes(s, t, false) || compareTypes(t, s, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); - } - return 0; + return false; + } + function getAnyImportSyntax(node) { + if (ts.isAliasSymbolDeclaration(node)) { + if (node.kind === 230) { + return node; } - result &= related; - } - if (!ignoreReturnTypes) { - var targetReturnType = getReturnTypeOfSignature(target); - if (targetReturnType === voidType) { - return result; + while (node && node.kind !== 231) { + node = node.parent; } - var sourceReturnType = getReturnTypeOfSignature(source); - if (target.typePredicate) { - if (source.typePredicate) { - result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); - } - else if (ts.isIdentifierTypePredicate(target.typePredicate)) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); - } - return 0; - } + return node; + } + } + function getDeclarationOfAliasSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); + } + function getTargetOfImportEqualsDeclaration(node) { + if (node.moduleReference.kind === 241) { + return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + } + return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference); + } + function getTargetOfImportClause(node) { + var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); + if (moduleSymbol) { + var exportDefaultSymbol = ts.isShorthandAmbientModuleSymbol(moduleSymbol) ? + moduleSymbol : + moduleSymbol.exports["export="] ? + getPropertyOfType(getTypeOfSymbol(moduleSymbol.exports["export="]), "default") : + resolveSymbol(moduleSymbol.exports["default"]); + if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { + error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); } - else { - result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { + return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); } + return exportDefaultSymbol; + } + } + function getTargetOfNamespaceImport(node) { + var moduleSpecifier = node.parent.parent.moduleSpecifier; + return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); + } + function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { + if (valueSymbol.flags & (793064 | 1920)) { + return valueSymbol; } + var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); + result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); + result.parent = valueSymbol.parent || typeSymbol.parent; + if (valueSymbol.valueDeclaration) + result.valueDeclaration = valueSymbol.valueDeclaration; + if (typeSymbol.members) + result.members = typeSymbol.members; + if (valueSymbol.exports) + result.exports = valueSymbol.exports; return result; } - function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { - if (source.kind !== target.kind) { - if (reportErrors) { - errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + function getExportOfModule(symbol, name) { + if (symbol.flags & 1536) { + var exportedSymbol = getExportsOfSymbol(symbol)[name]; + if (exportedSymbol) { + return resolveSymbol(exportedSymbol); } - return 0; } - if (source.kind === 1) { - var sourceIdentifierPredicate = source; - var targetIdentifierPredicate = target; - if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0; + } + function getPropertyOfVariable(symbol, name) { + if (symbol.flags & 3) { + var typeAnnotation = symbol.valueDeclaration.type; + if (typeAnnotation) { + return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); } } - var related = compareTypes(source.type, target.type, reportErrors); - if (related === 0 && reportErrors) { - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + function getExternalModuleMember(node, specifier) { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); + if (targetSymbol) { + var name_16 = specifier.propertyName || specifier.name; + if (name_16.text) { + if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { + return moduleSymbol; + } + var symbolFromVariable = void 0; + if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports["export="]) { + symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name_16.text); + } + else { + symbolFromVariable = getPropertyOfVariable(targetSymbol, name_16.text); + } + symbolFromVariable = resolveSymbol(symbolFromVariable); + var symbolFromModule = getExportOfModule(targetSymbol, name_16.text); + if (!symbolFromModule && allowSyntheticDefaultImports && name_16.text === "default") { + symbolFromModule = resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + } + var symbol = symbolFromModule && symbolFromVariable ? + combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : + symbolFromModule || symbolFromVariable; + if (!symbol) { + error(name_16, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_16)); + } + return symbol; + } } - return related; } - function isImplementationCompatibleWithOverload(implementation, overload) { - var erasedSource = getErasedSignature(implementation); - var erasedTarget = getErasedSignature(overload); - var sourceReturnType = getReturnTypeOfSignature(erasedSource); - var targetReturnType = getReturnTypeOfSignature(erasedTarget); - if (targetReturnType === voidType - || isTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation) - || isTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation)) { - return isSignatureAssignableTo(erasedSource, erasedTarget, true); + function getTargetOfImportSpecifier(node) { + return getExternalModuleMember(node.parent.parent.parent, node); + } + function getTargetOfNamespaceExportDeclaration(node) { + return resolveExternalModuleSymbol(node.parent.symbol); + } + function getTargetOfExportSpecifier(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920); + } + function getTargetOfExportAssignment(node) { + return resolveEntityName(node.expression, 107455 | 793064 | 1920); + } + function getTargetOfAliasDeclaration(node) { + switch (node.kind) { + case 230: + return getTargetOfImportEqualsDeclaration(node); + case 232: + return getTargetOfImportClause(node); + case 233: + return getTargetOfNamespaceImport(node); + case 235: + return getTargetOfImportSpecifier(node); + case 239: + return getTargetOfExportSpecifier(node); + case 236: + return getTargetOfExportAssignment(node); + case 229: + return getTargetOfNamespaceExportDeclaration(node); } - return false; } - function getNumNonRestParameters(signature) { - var numParams = signature.parameters.length; - return signature.hasRestParameter ? - numParams - 1 : - numParams; + function resolveSymbol(symbol) { + return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793064 | 1920)) ? resolveAlias(symbol) : symbol; } - function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { - if (source.hasRestParameter === target.hasRestParameter) { - if (source.hasRestParameter) { - return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; + function resolveAlias(symbol) { + ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.target) { + links.target = resolvingSymbol; + var node = getDeclarationOfAliasSymbol(symbol); + ts.Debug.assert(!!node); + var target = getTargetOfAliasDeclaration(node); + if (links.target === resolvingSymbol) { + links.target = target || unknownSymbol; } else { - return Math.min(sourceNonRestParamCount, targetNonRestParamCount); + error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); } } - else { - return source.hasRestParameter ? - targetNonRestParamCount : - sourceNonRestParamCount; + else if (links.target === resolvingSymbol) { + links.target = unknownSymbol; } + return links.target; } - function isEnumTypeRelatedTo(source, target, errorReporter) { - if (source === target) { - return true; - } - var id = source.id + "," + target.id; - if (enumRelation[id] !== undefined) { - return enumRelation[id]; - } - if (source.symbol.name !== target.symbol.name || - !(source.symbol.flags & 256) || !(target.symbol.flags & 256) || - (source.flags & 524288) !== (target.flags & 524288)) { - return enumRelation[id] = false; - } - var targetEnumType = getTypeOfSymbol(target.symbol); - for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { - var property = _a[_i]; - if (property.flags & 8) { - var targetProperty = getPropertyOfType(targetEnumType, property.name); - if (!targetProperty || !(targetProperty.flags & 8)) { - if (errorReporter) { - errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); - } - return enumRelation[id] = false; - } + function markExportAsReferenced(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target) { + var markAlias = target === unknownSymbol || + ((target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); + if (markAlias) { + markAliasSymbolAsReferenced(symbol); } } - return enumRelation[id] = true; } - function isSimpleTypeRelatedTo(source, target, relation, errorReporter) { - if (target.flags & 8192) - return false; - if (target.flags & 1 || source.flags & 8192) - return true; - if (source.flags & 34 && target.flags & 2) - return true; - if (source.flags & 340 && target.flags & 4) - return true; - if (source.flags & 136 && target.flags & 8) - return true; - if (source.flags & 256 && target.flags & 16 && source.baseType === target) - return true; - if (source.flags & 16 && target.flags & 16 && isEnumTypeRelatedTo(source, target, errorReporter)) - return true; - if (source.flags & 2048 && (!strictNullChecks || target.flags & (2048 | 1024))) - return true; - if (source.flags & 4096 && (!strictNullChecks || target.flags & 4096)) - return true; - if (relation === assignableRelation || relation === comparableRelation) { - if (source.flags & 1) - return true; - if ((source.flags & 4 | source.flags & 64) && target.flags & 272) - return true; - if (source.flags & 256 && - target.flags & 256 && - source.text === target.text && - isEnumTypeRelatedTo(source.baseType, target.baseType, errorReporter)) { - return true; + function markAliasSymbolAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.referenced) { + links.referenced = true; + var node = getDeclarationOfAliasSymbol(symbol); + ts.Debug.assert(!!node); + if (node.kind === 236) { + checkExpressionCached(node.expression); } - if (source.flags & 256 && - target.flags & 16 && - isEnumTypeRelatedTo(target, source.baseType, errorReporter)) { - return true; + else if (node.kind === 239) { + checkExpressionCached(node.propertyName || node.name); + } + else if (ts.isInternalModuleImportEqualsDeclaration(node)) { + checkExpressionCached(node.moduleReference); } } - return false; } - function isTypeRelatedTo(source, target, relation) { - if (source.flags & 96 && source.flags & 16777216) { - source = source.regularType; + function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, dontResolveAlias) { + if (entityName.kind === 70 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; } - if (target.flags & 96 && target.flags & 16777216) { - target = target.regularType; + if (entityName.kind === 70 || entityName.parent.kind === 140) { + return resolveEntityName(entityName, 1920, false, dontResolveAlias); } - if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) { - return true; + else { + ts.Debug.assert(entityName.parent.kind === 230); + return resolveEntityName(entityName, 107455 | 793064 | 1920, false, dontResolveAlias); } - if (source.flags & 2588672 && target.flags & 2588672) { - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - return related === 1; + } + function getFullyQualifiedName(symbol) { + return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + } + function resolveEntityName(name, meaning, ignoreErrors, dontResolveAlias, location) { + if (ts.nodeIsMissing(name)) { + return undefined; + } + var symbol; + if (name.kind === 70) { + var message = meaning === 1920 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; + symbol = resolveName(location || name, name.text, meaning, ignoreErrors ? undefined : message, name); + if (!symbol) { + return undefined; } } - if (source.flags & 4177920 || target.flags & 4177920) { - return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined); + else if (name.kind === 140 || name.kind === 173) { + var left = name.kind === 140 ? name.left : name.expression; + var right = name.kind === 140 ? name.right : name.name; + var namespace = resolveEntityName(left, 1920, ignoreErrors, false, location); + if (!namespace || ts.nodeIsMissing(right)) { + return undefined; + } + else if (namespace === unknownSymbol) { + return namespace; + } + symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); + if (!symbol) { + if (!ignoreErrors) { + error(right, ts.Diagnostics.Namespace_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); + } + return undefined; + } } - return false; + else { + ts.Debug.fail("Unknown entity name kind."); + } + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + return (symbol.flags & meaning) || dontResolveAlias ? symbol : resolveAlias(symbol); } - function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { - var errorInfo; - var sourceStack; - var targetStack; - var maybeStack; - var expandingFlags; - var depth = 0; - var overflow = false; - ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); - var result = isRelatedTo(source, target, !!errorNode, headMessage); - if (overflow) { - error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); + function resolveExternalModuleName(location, moduleReferenceExpression) { + return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + } + function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { + if (moduleReferenceExpression.kind !== 9) { + return; } - else if (errorInfo) { - if (containingMessageChain) { - errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); + var moduleReferenceLiteral = moduleReferenceExpression; + return resolveExternalModule(location, moduleReferenceLiteral.text, moduleNotFoundError, moduleReferenceLiteral); + } + function resolveExternalModule(location, moduleReference, moduleNotFoundError, errorNode) { + var moduleName = ts.escapeIdentifier(moduleReference); + if (moduleName === undefined) { + return; } - return result !== 0; - function reportError(message, arg0, arg1, arg2) { - ts.Debug.assert(!!errorNode); - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + var isRelative = ts.isExternalModuleNameRelative(moduleName); + if (!isRelative) { + var symbol = getSymbol(globals, '"' + moduleName + '"', 512); + if (symbol) { + return getMergedSymbol(symbol); + } } - function reportRelationError(message, source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if (sourceType === targetType) { - sourceType = typeToString(source, undefined, 128); - targetType = typeToString(target, undefined, 128); + var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReference); + var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); + if (sourceFile) { + if (sourceFile.symbol) { + return getMergedSymbol(sourceFile.symbol); } - if (!message) { - message = relation === comparableRelation ? - ts.Diagnostics.Type_0_is_not_comparable_to_type_1 : - ts.Diagnostics.Type_0_is_not_assignable_to_type_1; + if (moduleNotFoundError) { + error(errorNode, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); } - reportError(message, sourceType, targetType); + return undefined; } - function tryElaborateErrorsForPrimitivesAndObjects(source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if ((globalStringType === source && stringType === target) || - (globalNumberType === source && numberType === target) || - (globalBooleanType === source && booleanType === target) || - (getGlobalESSymbolType() === source && esSymbolType === target)) { - reportError(ts.Diagnostics._0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible, targetType, sourceType); + if (patternAmbientModules) { + var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleName); + if (pattern) { + return getMergedSymbol(pattern.symbol); } } - function isRelatedTo(source, target, reportErrors, headMessage) { - var result; - if (source.flags & 96 && source.flags & 16777216) { - source = source.regularType; - } - if (target.flags & 96 && target.flags & 16777216) { - target = target.regularType; + if (moduleNotFoundError) { + var tsExtension = ts.tryExtractTypeScriptExtension(moduleName); + if (tsExtension) { + var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead; + error(errorNode, diag, tsExtension, ts.removeExtension(moduleName, tsExtension)); } - if (source === target) - return -1; - if (relation === identityRelation) { - return isIdenticalTo(source, target); + else { + error(errorNode, moduleNotFoundError, moduleName); } - if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) - return -1; - if (source.flags & 8388608 && source.flags & 16777216) { - if (hasExcessProperties(source, target, reportErrors)) { - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0; - } - if (target.flags & 1572864) { - source = getRegularTypeOfObjectLiteral(source); + } + return undefined; + } + function resolveExternalModuleSymbol(moduleSymbol) { + return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + } + function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { + var symbol = resolveExternalModuleSymbol(moduleSymbol); + if (symbol && !(symbol.flags & (1536 | 3))) { + error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); + symbol = undefined; + } + return symbol; + } + function hasExportAssignmentSymbol(moduleSymbol) { + return moduleSymbol.exports["export="] !== undefined; + } + function getExportsOfModuleAsArray(moduleSymbol) { + return symbolsToArray(getExportsOfModule(moduleSymbol)); + } + function getExportsOfSymbol(symbol) { + return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + } + function getExportsOfModule(moduleSymbol) { + var links = getSymbolLinks(moduleSymbol); + return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + } + function extendExportSymbols(target, source, lookupTable, exportNode) { + for (var id in source) { + if (id !== "default" && !target[id]) { + target[id] = source[id]; + if (lookupTable && exportNode) { + lookupTable[id] = { + specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) + }; } } - var saveErrorInfo = errorInfo; - if (source.flags & 524288) { - if (relation === comparableRelation) { - result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); + else if (lookupTable && exportNode && id !== "default" && target[id] && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { + if (!lookupTable[id].exportsWithDuplicate) { + lookupTable[id].exportsWithDuplicate = [exportNode]; } else { - result = eachTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); - } - if (result) { - return result; - } - } - else if (target.flags & 1048576) { - result = typeRelatedToEachType(source, target, reportErrors); - if (result) { - return result; - } - } - else { - if (source.flags & 1048576) { - if (result = someTypeRelatedToType(source, target, false)) { - return result; - } - } - if (target.flags & 524288) { - if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190) && !(target.flags & 8190))) { - return result; - } + lookupTable[id].exportsWithDuplicate.push(exportNode); } } - if (source.flags & 16384) { - var constraint = getConstraintOfTypeParameter(source); - if (!constraint || constraint.flags & 1) { - constraint = emptyObjectType; - } - constraint = getTypeWithThisArgument(constraint, source); - var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; - if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { - errorInfo = saveErrorInfo; - return result; - } + } + } + function getExportsForModule(moduleSymbol) { + var visitedSymbols = []; + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + return visit(moduleSymbol) || moduleSymbol.exports; + function visit(symbol) { + if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { + return; } - else { - if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { - return result; - } + visitedSymbols.push(symbol); + var symbols = ts.cloneMap(symbol.exports); + var exportStars = symbol.exports["__export"]; + if (exportStars) { + var nestedSymbols = ts.createMap(); + var lookupTable = ts.createMap(); + for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + var exportedSymbols = visit(resolvedModule); + extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); } - var apparentSource = getApparentType(source); - if (apparentSource.flags & (2588672 | 1048576) && target.flags & 2588672) { - var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190); - if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { - errorInfo = saveErrorInfo; - return result; + for (var id in lookupTable) { + var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; + if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || symbols[id]) { + continue; + } + for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { + var node = exportsWithDuplicate_1[_b]; + diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); } } + extendExportSymbols(symbols, nestedSymbols); } - if (reportErrors) { - if (source.flags & 2588672 && target.flags & 8190) { - tryElaborateErrorsForPrimitivesAndObjects(source, target); - } - else if (source.symbol && source.flags & 2588672 && globalObjectType === source) { - reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); + return symbols; + } + } + function getMergedSymbol(symbol) { + var merged; + return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; + } + function getSymbolOfNode(node) { + return getMergedSymbol(node.symbol); + } + function getParentOfSymbol(symbol) { + return getMergedSymbol(symbol.parent); + } + function getExportSymbolOfValueSymbolIfExported(symbol) { + return symbol && (symbol.flags & 1048576) !== 0 + ? getMergedSymbol(symbol.exportSymbol) + : symbol; + } + function symbolIsValue(symbol) { + if (symbol.flags & 16777216) { + return symbolIsValue(getSymbolLinks(symbol).target); + } + if (symbol.flags & 107455) { + return true; + } + if (symbol.flags & 8388608) { + return (resolveAlias(symbol).flags & 107455) !== 0; + } + return false; + } + function findConstructorDeclaration(node) { + var members = node.members; + for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { + var member = members_1[_i]; + if (member.kind === 149 && ts.nodeIsPresent(member.body)) { + return member; + } + } + } + function createType(flags) { + var result = new Type(checker, flags); + typeCount++; + result.id = typeCount; + return result; + } + function createIntrinsicType(kind, intrinsicName) { + var type = createType(kind); + type.intrinsicName = intrinsicName; + return type; + } + function createBooleanType(trueFalseTypes) { + var type = getUnionType(trueFalseTypes); + type.flags |= 8; + type.intrinsicName = "boolean"; + return type; + } + function createObjectType(objectFlags, symbol) { + var type = createType(32768); + type.objectFlags = objectFlags; + type.symbol = symbol; + return type; + } + function isReservedMemberName(name) { + return name.charCodeAt(0) === 95 && + name.charCodeAt(1) === 95 && + name.charCodeAt(2) !== 95 && + name.charCodeAt(2) !== 64; + } + function getNamedMembers(members) { + var result; + for (var id in members) { + if (!isReservedMemberName(id)) { + if (!result) + result = []; + var symbol = members[id]; + if (symbolIsValue(symbol)) { + result.push(symbol); } - reportRelationError(headMessage, source, target); } - return 0; } - function isIdenticalTo(source, target) { - var result; - if (source.flags & 2588672 && target.flags & 2588672) { - if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, false)) { - return result; - } + return result || emptyArray; + } + function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { + type.members = members; + type.properties = getNamedMembers(members); + type.callSignatures = callSignatures; + type.constructSignatures = constructSignatures; + if (stringIndexInfo) + type.stringIndexInfo = stringIndexInfo; + if (numberIndexInfo) + type.numberIndexInfo = numberIndexInfo; + return type; + } + function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { + return setStructuredTypeMembers(createObjectType(16, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function forEachSymbolTableInScope(enclosingDeclaration, callback) { + var result; + for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { + if (location_1.locals && !isGlobalSourceFile(location_1)) { + if (result = callback(location_1.locals)) { + return result; } - return objectTypeRelatedTo(source, source, target, false); } - if (source.flags & 524288 && target.flags & 524288 || - source.flags & 1048576 && target.flags & 1048576) { - if (result = eachTypeRelatedToSomeType(source, target)) { - if (result &= eachTypeRelatedToSomeType(target, source)) { + switch (location_1.kind) { + case 256: + if (!ts.isExternalOrCommonJsModule(location_1)) { + break; + } + case 226: + if (result = callback(getSymbolOfNode(location_1).exports)) { return result; } - } + break; } - return 0; } - function isKnownProperty(type, name) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) || - resolved.stringIndexInfo || - (resolved.numberIndexInfo && isNumericLiteralName(name)) || - getPropertyOfType(type, name)) { + return callback(globals); + } + function getQualifiedLeftMeaning(rightMeaning) { + return rightMeaning === 107455 ? 107455 : 1920; + } + function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { + function getAccessibleSymbolChainFromSymbolTable(symbols) { + function canQualifySymbol(symbolFromSymbolTable, meaning) { + if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { return true; } + var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); + return !!accessibleParent; } - else if (type.flags & 1572864) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isKnownProperty(t, name)) { - return true; - } + function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { + if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { + return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && + canQualifySymbol(symbolFromSymbolTable, meaning); } } - return false; - } - function isEmptyObjectType(t) { - return t.properties.length === 0 && - t.callSignatures.length === 0 && - t.constructSignatures.length === 0 && - !t.stringIndexInfo && - !t.numberIndexInfo; - } - function hasExcessProperties(source, target, reportErrors) { - if (maybeTypeOfKind(target, 2588672) && - (!(target.flags & 2588672) || !target.isObjectLiteralPatternWithComputedProperties)) { - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (!isKnownProperty(target, prop.name)) { - if (reportErrors) { - ts.Debug.assert(!!errorNode); - errorNode = prop.valueDeclaration; - reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + if (isAccessible(symbols[symbol.name])) { + return [symbol]; + } + return ts.forEachProperty(symbols, function (symbolFromSymbolTable) { + if (symbolFromSymbolTable.flags & 8388608 + && symbolFromSymbolTable.name !== "export=" + && !ts.getDeclarationOfKind(symbolFromSymbolTable, 239)) { + if (!useOnlyExternalAliasing || + ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { + var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); + if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { + return [symbolFromSymbolTable]; + } + var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; + if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { + return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); } - return true; } } - } - return false; + }); } - function eachTypeRelatedToSomeType(source, target) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { - var sourceType = sourceTypes_1[_i]; - var related = typeRelatedToSomeType(sourceType, target, false); - if (!related) { - return 0; - } - result &= related; + if (symbol) { + if (!(isPropertyOrMethodDeclarationSymbol(symbol))) { + return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); } - return result; } - function typeRelatedToSomeType(source, target, reportErrors) { - var targetTypes = target.types; - if (target.flags & 524288 && containsType(targetTypes, source)) { - return -1; - } - var len = targetTypes.length; - for (var i = 0; i < len; i++) { - var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); - if (related) { - return related; - } + } + function needsQualification(symbol, enclosingDeclaration, meaning) { + var qualify = false; + forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { + var symbolFromSymbolTable = symbolTable[symbol.name]; + if (!symbolFromSymbolTable) { + return false; } - return 0; - } - function typeRelatedToEachType(source, target, reportErrors) { - var result = -1; - var targetTypes = target.types; - for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { - var targetType = targetTypes_1[_i]; - var related = isRelatedTo(source, targetType, reportErrors); - if (!related) { - return 0; - } - result &= related; + if (symbolFromSymbolTable === symbol) { + return true; } - return result; - } - function someTypeRelatedToType(source, target, reportErrors) { - var sourceTypes = source.types; - if (source.flags & 524288 && containsType(sourceTypes, target)) { - return -1; + symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 239)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; + if (symbolFromSymbolTable.flags & meaning) { + qualify = true; + return true; } - var len = sourceTypes.length; - for (var i = 0; i < len; i++) { - var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); - if (related) { - return related; + return false; + }); + return qualify; + } + function isPropertyOrMethodDeclarationSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + switch (declaration.kind) { + case 146: + case 148: + case 150: + case 151: + continue; + default: + return false; } } - return 0; + return true; } - function eachTypeRelatedToType(source, target, reportErrors) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { - var sourceType = sourceTypes_2[_i]; - var related = isRelatedTo(sourceType, target, reportErrors); - if (!related) { - return 0; + return false; + } + function isSymbolAccessible(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible) { + if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) { + var initialSymbol = symbol; + var meaningToLook = meaning; + while (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false); + if (accessibleSymbolChain) { + var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0], shouldComputeAliasesToMakeVisible); + if (!hasAccessibleDeclarations) { + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1920) : undefined, + }; + } + return hasAccessibleDeclarations; } - result &= related; - } - return result; - } - function typeArgumentsRelatedTo(source, target, reportErrors) { - var sources = source.typeArguments || emptyArray; - var targets = target.typeArguments || emptyArray; - if (sources.length !== targets.length && relation === identityRelation) { - return 0; + meaningToLook = getQualifiedLeftMeaning(meaning); + symbol = getParentOfSymbol(symbol); } - var length = sources.length <= targets.length ? sources.length : targets.length; - var result = -1; - for (var i = 0; i < length; i++) { - var related = isRelatedTo(sources[i], targets[i], reportErrors); - if (!related) { - return 0; + var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); + if (symbolExternalModule) { + var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); + if (symbolExternalModule !== enclosingExternalModule) { + return { + accessibility: 2, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbolToString(symbolExternalModule) + }; } - result &= related; } - return result; + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + }; } - function objectTypeRelatedTo(source, originalSource, target, reportErrors) { - if (overflow) { - return 0; - } - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - if (reportErrors && related === 2) { - relation[id] = 3; - } - else { - return related === 1 ? -1 : 0; - } - } - if (depth > 0) { - for (var i = 0; i < depth; i++) { - if (maybeStack[i][id]) { - return 1; - } - } - if (depth === 100) { - overflow = true; - return 0; + return { accessibility: 0 }; + function getExternalModuleContainer(declaration) { + for (; declaration; declaration = declaration.parent) { + if (hasExternalModuleSymbol(declaration)) { + return getSymbolOfNode(declaration); } } - else { - sourceStack = []; - targetStack = []; - maybeStack = []; - expandingFlags = 0; - } - sourceStack[depth] = source; - targetStack[depth] = target; - maybeStack[depth] = ts.createMap(); - maybeStack[depth][id] = 1; - depth++; - var saveExpandingFlags = expandingFlags; - if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) - expandingFlags |= 1; - if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) - expandingFlags |= 2; - var result; - if (expandingFlags === 3) { - result = 1; - } - else { - result = propertiesRelatedTo(source, target, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 0, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 1, reportErrors); - if (result) { - result &= indexTypesRelatedTo(source, originalSource, target, 0, reportErrors); - if (result) { - result &= indexTypesRelatedTo(source, originalSource, target, 1, reportErrors); + } + } + function hasExternalModuleSymbol(declaration) { + return ts.isAmbientModule(declaration) || (declaration.kind === 256 && ts.isExternalOrCommonJsModule(declaration)); + } + function hasVisibleDeclarations(symbol, shouldComputeAliasToMakeVisible) { + var aliasesToMakeVisible; + if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { + return undefined; + } + return { accessibility: 0, aliasesToMakeVisible: aliasesToMakeVisible }; + function getIsDeclarationVisible(declaration) { + if (!isDeclarationVisible(declaration)) { + var anyImportSyntax = getAnyImportSyntax(declaration); + if (anyImportSyntax && + !(ts.getModifierFlags(anyImportSyntax) & 1) && + isDeclarationVisible(anyImportSyntax.parent)) { + if (shouldComputeAliasToMakeVisible) { + getNodeLinks(declaration).isVisible = true; + if (aliasesToMakeVisible) { + if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { + aliasesToMakeVisible.push(anyImportSyntax); } } + else { + aliasesToMakeVisible = [anyImportSyntax]; + } } + return true; } + return false; } - expandingFlags = saveExpandingFlags; - depth--; - if (result) { - var maybeCache = maybeStack[depth]; - var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; - ts.copyProperties(maybeCache, destinationCache); - } - else { - relation[id] = reportErrors ? 3 : 2; - } - return result; + return true; } - function propertiesRelatedTo(source, target, reportErrors) { - if (relation === identityRelation) { - return propertiesIdenticalTo(source, target); - } - var result = -1; - var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 8388608); - for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { - var targetProp = properties_2[_i]; - var sourceProp = getPropertyOfType(source, targetProp.name); - if (sourceProp !== targetProp) { - if (!sourceProp) { - if (!(targetProp.flags & 536870912) || requireOptionalProperties) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); - } - return 0; - } - } - else if (!(targetProp.flags & 134217728)) { - var sourcePropFlags = getDeclarationModifierFlagsFromSymbol(sourceProp); - var targetPropFlags = getDeclarationModifierFlagsFromSymbol(targetProp); - if (sourcePropFlags & 8 || targetPropFlags & 8) { - if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { - if (reportErrors) { - if (sourcePropFlags & 8 && targetPropFlags & 8) { - reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); - } - else { - reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 8 ? source : target), typeToString(sourcePropFlags & 8 ? target : source)); - } - } - return 0; - } - } - else if (targetPropFlags & 16) { - var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; - var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; - var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); - if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); - } - return 0; - } - } - else if (sourcePropFlags & 16) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } - var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); - } - return 0; - } - result &= related; - if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } + } + function isEntityNameVisible(entityName, enclosingDeclaration) { + var meaning; + if (entityName.parent.kind === 159 || ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning = 107455 | 1048576; + } + else if (entityName.kind === 140 || entityName.kind === 173 || + entityName.parent.kind === 230) { + meaning = 1920; + } + else { + meaning = 793064; + } + var firstIdentifier = getFirstIdentifier(entityName); + var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); + return (symbol && hasVisibleDeclarations(symbol, true)) || { + accessibility: 1, + errorSymbolName: ts.getTextOfNode(firstIdentifier), + errorNode: firstIdentifier + }; + } + function writeKeyword(writer, kind) { + writer.writeKeyword(ts.tokenToString(kind)); + } + function writePunctuation(writer, kind) { + writer.writePunctuation(ts.tokenToString(kind)); + } + function writeSpace(writer) { + writer.writeSpace(" "); + } + function symbolToString(symbol, enclosingDeclaration, meaning) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function signatureToString(signature, enclosingDeclaration, flags, kind) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function typeToString(type, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; + if (maxLength && result.length >= maxLength) { + result = result.substr(0, maxLength - "...".length) + "..."; + } + return result; + } + function typePredicateToString(typePredicate, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function formatUnionTypes(types) { + var result = []; + var flags = 0; + for (var i = 0; i < types.length; i++) { + var t = types[i]; + flags |= t.flags; + if (!(t.flags & 6144)) { + if (t.flags & (128 | 256)) { + var baseType = t.flags & 128 ? booleanType : t.baseType; + var count = baseType.types.length; + if (i + count <= types.length && types[i + count - 1] === baseType.types[count - 1]) { + result.push(baseType); + i += count - 1; + continue; } } + result.push(t); } - return result; } - function propertiesIdenticalTo(source, target) { - if (!(source.flags & 2588672 && target.flags & 2588672)) { - return 0; + if (flags & 4096) + result.push(nullType); + if (flags & 2048) + result.push(undefinedType); + return result || types; + } + function visibilityToString(flags) { + if (flags === 8) { + return "private"; + } + if (flags === 16) { + return "protected"; + } + return "public"; + } + function getTypeAliasForTypeLiteral(type) { + if (type.symbol && type.symbol.flags & 2048) { + var node = type.symbol.declarations[0].parent; + while (node.kind === 165) { + node = node.parent; } - var sourceProperties = getPropertiesOfObjectType(source); - var targetProperties = getPropertiesOfObjectType(target); - if (sourceProperties.length !== targetProperties.length) { - return 0; + if (node.kind === 224) { + return getSymbolOfNode(node); } - var result = -1; - for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { - var sourceProp = sourceProperties_1[_i]; - var targetProp = getPropertyOfObjectType(target, sourceProp.name); - if (!targetProp) { - return 0; + } + return undefined; + } + function isTopLevelInExternalModuleAugmentation(node) { + return node && node.parent && + node.parent.kind === 227 && + ts.isExternalModuleAugmentation(node.parent.parent); + } + function literalTypeToString(type) { + return type.flags & 32 ? "\"" + ts.escapeString(type.text) + "\"" : type.text; + } + function getSymbolDisplayBuilder() { + function getNameOfSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + var declaration = symbol.declarations[0]; + if (declaration.name) { + return ts.declarationNameToString(declaration.name); } - var related = compareProperties(sourceProp, targetProp, isRelatedTo); - if (!related) { - return 0; + switch (declaration.kind) { + case 193: + return "(Anonymous class)"; + case 180: + case 181: + return "(Anonymous function)"; } - result &= related; } - return result; + return symbol.name; } - function signaturesRelatedTo(source, target, kind, reportErrors) { - if (relation === identityRelation) { - return signaturesIdenticalTo(source, target, kind); + function appendSymbolNameOnly(symbol, writer) { + writer.writeSymbol(getNameOfSymbol(symbol), symbol); + } + function appendPropertyOrElementAccessForSymbol(symbol, writer) { + var symbolName = getNameOfSymbol(symbol); + var firstChar = symbolName.charCodeAt(0); + var needsElementAccess = !ts.isIdentifierStart(firstChar, languageVersion); + if (needsElementAccess) { + writePunctuation(writer, 20); + if (ts.isSingleOrDoubleQuote(firstChar)) { + writer.writeStringLiteral(symbolName); + } + else { + writer.writeSymbol(symbolName, symbol); + } + writePunctuation(writer, 21); } - if (target === anyFunctionType || source === anyFunctionType) { - return -1; + else { + writePunctuation(writer, 22); + writer.writeSymbol(symbolName, symbol); } - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (kind === 1 && sourceSignatures.length && targetSignatures.length) { - if (isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); + } + function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { + var parentSymbol; + function appendParentTypeArgumentsAndSymbolName(symbol) { + if (parentSymbol) { + if (flags & 1) { + if (symbol.flags & 16777216) { + buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); + } + else { + buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); + } } - return 0; + appendPropertyOrElementAccessForSymbol(symbol, writer); } - if (!constructorVisibilitiesAreCompatible(sourceSignatures[0], targetSignatures[0], reportErrors)) { - return 0; + else { + appendSymbolNameOnly(symbol, writer); } + parentSymbol = symbol; } - var result = -1; - var saveErrorInfo = errorInfo; - outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { - var t = targetSignatures_1[_i]; - var shouldElaborateErrors = reportErrors; - for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { - var s = sourceSignatures_1[_a]; - var related = signatureRelatedTo(s, t, shouldElaborateErrors); - if (related) { - result &= related; - errorInfo = saveErrorInfo; - continue outer; + writer.trackSymbol(symbol, enclosingDeclaration, meaning); + function walkSymbol(symbol, meaning, endOfChain) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); + if (!accessibleSymbolChain || + needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { + var parent_8 = getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol); + if (parent_8) { + walkSymbol(parent_8, getQualifiedLeftMeaning(meaning), false); } - shouldElaborateErrors = false; } - if (shouldElaborateErrors) { - reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); + if (accessibleSymbolChain) { + for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { + var accessibleSymbol = accessibleSymbolChain_1[_i]; + appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + } } - return 0; - } - return result; - } - function signatureRelatedTo(source, target, reportErrors) { - return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); - } - function signaturesIdenticalTo(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (sourceSignatures.length !== targetSignatures.length) { - return 0; - } - var result = -1; - for (var i = 0, len = sourceSignatures.length; i < len; i++) { - var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, false, isRelatedTo); - if (!related) { - return 0; + else if (endOfChain || + !(!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) && + !(symbol.flags & (2048 | 4096))) { + appendParentTypeArgumentsAndSymbolName(symbol); } - result &= related; } - return result; - } - function eachPropertyRelatedTo(source, target, kind, reportErrors) { - var result = -1; - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (kind === 0 || isNumericLiteralName(prop.name)) { - var related = isRelatedTo(getTypeOfSymbol(prop), target, reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_incompatible_with_index_signature, symbolToString(prop)); - } - return 0; - } - result &= related; - } + var isTypeParameter = symbol.flags & 262144; + var typeFormatFlag = 128 & typeFlags; + if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { + walkSymbol(symbol, meaning, true); } - return result; - } - function indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors) { - var related = isRelatedTo(sourceInfo.type, targetInfo.type, reportErrors); - if (!related && reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); + else { + appendParentTypeArgumentsAndSymbolName(symbol); } - return related; } - function indexTypesRelatedTo(source, originalSource, target, kind, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(source, target, kind); - } - var targetInfo = getIndexInfoOfType(target, kind); - if (!targetInfo || ((targetInfo.type.flags & 1) && !(originalSource.flags & 8190))) { - return -1; - } - var sourceInfo = getIndexInfoOfType(source, kind) || - kind === 1 && getIndexInfoOfType(source, 0); - if (sourceInfo) { - return indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors); - } - if (isObjectLiteralType(source)) { - var related = -1; - if (kind === 0) { - var sourceNumberInfo = getIndexInfoOfType(source, 1); - if (sourceNumberInfo) { - related = indexInfoRelatedTo(sourceNumberInfo, targetInfo, reportErrors); + function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { + var globalFlagsToPass = globalFlags & 16; + var inObjectTypeLiteral = false; + return writeType(type, globalFlags); + function writeType(type, flags) { + var nextFlags = flags & ~512; + if (type.flags & 16015) { + writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) + ? "any" + : type.intrinsicName); + } + else if (type.flags & 16384 && type.isThisType) { + if (inObjectTypeLiteral) { + writer.reportInaccessibleThisError(); } + writer.writeKeyword("this"); } - if (related) { - related &= eachPropertyRelatedTo(source, targetInfo.type, kind, reportErrors); + else if (getObjectFlags(type) & 4) { + writeTypeReference(type, nextFlags); + } + else if (type.flags & 256) { + buildSymbolDisplay(getParentOfSymbol(type.symbol), writer, enclosingDeclaration, 793064, 0, nextFlags); + writePunctuation(writer, 22); + appendSymbolNameOnly(type.symbol, writer); + } + else if (getObjectFlags(type) & 3 || type.flags & (16 | 16384)) { + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); + } + else if (!(flags & 512) && ((getObjectFlags(type) & 16 && !type.target) || type.flags & 196608) && type.aliasSymbol && + isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { + var typeArguments = type.aliasTypeArguments; + writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); + } + else if (type.flags & 196608) { + writeUnionOrIntersectionType(type, nextFlags); + } + else if (getObjectFlags(type) & 16) { + writeAnonymousType(type, nextFlags); + } + else if (type.flags & 96) { + writer.writeStringLiteral(literalTypeToString(type)); + } + else { + writePunctuation(writer, 16); + writeSpace(writer); + writePunctuation(writer, 23); + writeSpace(writer); + writePunctuation(writer, 17); } - return related; - } - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0; - } - function indexTypesIdenticalTo(source, target, indexKind) { - var targetInfo = getIndexInfoOfType(target, indexKind); - var sourceInfo = getIndexInfoOfType(source, indexKind); - if (!sourceInfo && !targetInfo) { - return -1; - } - if (sourceInfo && targetInfo && sourceInfo.isReadonly === targetInfo.isReadonly) { - return isRelatedTo(sourceInfo.type, targetInfo.type); - } - return 0; - } - function constructorVisibilitiesAreCompatible(sourceSignature, targetSignature, reportErrors) { - if (!sourceSignature.declaration || !targetSignature.declaration) { - return true; - } - var sourceAccessibility = ts.getModifierFlags(sourceSignature.declaration) & 24; - var targetAccessibility = ts.getModifierFlags(targetSignature.declaration) & 24; - if (targetAccessibility === 8) { - return true; - } - if (targetAccessibility === 16 && sourceAccessibility !== 8) { - return true; - } - if (targetAccessibility !== 16 && !sourceAccessibility) { - return true; - } - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_a_0_constructor_type_to_a_1_constructor_type, visibilityToString(sourceAccessibility), visibilityToString(targetAccessibility)); } - return false; - } - } - function isAbstractConstructorType(type) { - if (type.flags & 2097152) { - var symbol = type.symbol; - if (symbol && symbol.flags & 32) { - var declaration = getClassLikeDeclarationOfSymbol(symbol); - if (declaration && ts.getModifierFlags(declaration) & 128) { - return true; + function writeTypeList(types, delimiter) { + for (var i = 0; i < types.length; i++) { + if (i > 0) { + if (delimiter !== 25) { + writeSpace(writer); + } + writePunctuation(writer, delimiter); + writeSpace(writer); + } + writeType(types[i], delimiter === 25 ? 0 : 64); } } - } - return false; - } - function isDeeplyNestedGeneric(type, stack, depth) { - if (type.flags & (131072 | 4194304) && depth >= 5) { - var symbol = type.symbol; - var count = 0; - for (var i = 0; i < depth; i++) { - var t = stack[i]; - if (t.flags & (131072 | 4194304) && t.symbol === symbol) { - count++; - if (count >= 5) - return true; + function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { + if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { + buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793064, 0, flags); + } + if (pos < end) { + writePunctuation(writer, 26); + writeType(typeArguments[pos], 256); + pos++; + while (pos < end) { + writePunctuation(writer, 25); + writeSpace(writer); + writeType(typeArguments[pos], 0); + pos++; + } + writePunctuation(writer, 28); } } - } - return false; - } - function isPropertyIdenticalTo(sourceProp, targetProp) { - return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; - } - function compareProperties(sourceProp, targetProp, compareTypes) { - if (sourceProp === targetProp) { - return -1; - } - var sourcePropAccessibility = getDeclarationModifierFlagsFromSymbol(sourceProp) & 24; - var targetPropAccessibility = getDeclarationModifierFlagsFromSymbol(targetProp) & 24; - if (sourcePropAccessibility !== targetPropAccessibility) { - return 0; - } - if (sourcePropAccessibility) { - if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { - return 0; + function writeTypeReference(type, flags) { + var typeArguments = type.typeArguments || emptyArray; + if (type.target === globalArrayType && !(flags & 1)) { + writeType(typeArguments[0], 64); + writePunctuation(writer, 20); + writePunctuation(writer, 21); + } + else if (type.target.objectFlags & 8) { + writePunctuation(writer, 20); + writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 25); + writePunctuation(writer, 21); + } + else { + var outerTypeParameters = type.target.outerTypeParameters; + var i = 0; + if (outerTypeParameters) { + var length_1 = outerTypeParameters.length; + while (i < length_1) { + var start = i; + var parent_9 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); + do { + i++; + } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_9); + if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { + writeSymbolTypeReference(parent_9, typeArguments, start, i, flags); + writePunctuation(writer, 22); + } + } + } + var typeParameterCount = (type.target.typeParameters || emptyArray).length; + writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + } } - } - else { - if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { - return 0; + function writeUnionOrIntersectionType(type, flags) { + if (flags & 64) { + writePunctuation(writer, 18); + } + if (type.flags & 65536) { + writeTypeList(formatUnionTypes(type.types), 48); + } + else { + writeTypeList(type.types, 47); + } + if (flags & 64) { + writePunctuation(writer, 19); + } } - } - if (isReadonlySymbol(sourceProp) !== isReadonlySymbol(targetProp)) { - return 0; - } - return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - function isMatchingSignature(source, target, partialMatch) { - if (source.parameters.length === target.parameters.length && - source.minArgumentCount === target.minArgumentCount && - source.hasRestParameter === target.hasRestParameter) { - return true; - } - var sourceRestCount = source.hasRestParameter ? 1 : 0; - var targetRestCount = target.hasRestParameter ? 1 : 0; - if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (sourceRestCount > targetRestCount || - sourceRestCount === targetRestCount && source.parameters.length >= target.parameters.length)) { - return true; - } - return false; - } - function compareSignaturesIdentical(source, target, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypes) { - if (source === target) { - return -1; - } - if (!(isMatchingSignature(source, target, partialMatch))) { - return 0; - } - if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { - return 0; - } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - if (!ignoreThisTypes) { - var sourceThisType = getThisTypeOfSignature(source); - if (sourceThisType) { - var targetThisType = getThisTypeOfSignature(target); - if (targetThisType) { - var related = compareTypes(sourceThisType, targetThisType); - if (!related) { - return 0; + function writeAnonymousType(type, flags) { + var symbol = type.symbol; + if (symbol) { + if (symbol.flags & (32 | 384 | 512)) { + writeTypeOfSymbol(type, flags); + } + else if (shouldWriteTypeOfFunctionSymbol()) { + writeTypeOfSymbol(type, flags); + } + else if (ts.contains(symbolStack, symbol)) { + var typeAlias = getTypeAliasForTypeLiteral(type); + if (typeAlias) { + buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags); + } + else { + writeKeyword(writer, 118); + } + } + else { + if (!symbolStack) { + symbolStack = []; + } + symbolStack.push(symbol); + writeLiteralType(type, flags); + symbolStack.pop(); + } + } + else { + writeLiteralType(type, flags); + } + function shouldWriteTypeOfFunctionSymbol() { + var isStaticMethodSymbol = !!(symbol.flags & 8192 && + ts.forEach(symbol.declarations, function (declaration) { return ts.getModifierFlags(declaration) & 32; })); + var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && + (symbol.parent || + ts.forEach(symbol.declarations, function (declaration) { + return declaration.parent.kind === 256 || declaration.parent.kind === 227; + })); + if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { + return !!(flags & 2) || + (ts.contains(symbolStack, symbol)); } - result &= related; } } - } - var targetLen = target.parameters.length; - for (var i = 0; i < targetLen; i++) { - var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfParameter(source.parameters[i]); - var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfParameter(target.parameters[i]); - var related = compareTypes(s, t); - if (!related) { - return 0; - } - result &= related; - } - if (!ignoreReturnTypes) { - result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - return result; - } - function isRestParameterIndex(signature, parameterIndex) { - return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; - } - function isSupertypeOfEach(candidate, types) { - for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { - var t = types_7[_i]; - if (candidate !== t && !isTypeSubtypeOf(t, candidate)) - return false; - } - return true; - } - function literalTypesWithSameBaseType(types) { - var commonBaseType; - for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { - var t = types_8[_i]; - var baseType = getBaseTypeOfLiteralType(t); - if (!commonBaseType) { - commonBaseType = baseType; + function writeTypeOfSymbol(type, typeFormatFlags) { + writeKeyword(writer, 102); + writeSpace(writer); + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); } - if (baseType === t || baseType !== commonBaseType) { - return false; + function writeIndexSignature(info, keyword) { + if (info) { + if (info.isReadonly) { + writeKeyword(writer, 129); + writeSpace(writer); + } + writePunctuation(writer, 20); + writer.writeParameter(info.declaration ? ts.declarationNameToString(info.declaration.parameters[0].name) : "x"); + writePunctuation(writer, 55); + writeSpace(writer); + writeKeyword(writer, keyword); + writePunctuation(writer, 21); + writePunctuation(writer, 55); + writeSpace(writer); + writeType(info.type, 0); + writePunctuation(writer, 24); + writer.writeLine(); + } } - } - return true; - } - function getSupertypeOrUnion(types) { - return literalTypesWithSameBaseType(types) ? getUnionType(types) : ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); - } - function getCommonSupertype(types) { - if (!strictNullChecks) { - return getSupertypeOrUnion(types); - } - var primaryTypes = ts.filter(types, function (t) { return !(t.flags & 6144); }); - if (!primaryTypes.length) { - return getUnionType(types, true); - } - var supertype = getSupertypeOrUnion(primaryTypes); - return supertype && includeFalsyTypes(supertype, getFalsyFlagsOfTypes(types) & 6144); - } - function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { - var bestSupertype; - var bestSupertypeDownfallType; - var bestSupertypeScore = 0; - for (var i = 0; i < types.length; i++) { - var score = 0; - var downfallType = undefined; - for (var j = 0; j < types.length; j++) { - if (isTypeSubtypeOf(types[j], types[i])) { - score++; + function writePropertyWithModifiers(prop) { + if (isReadonlySymbol(prop)) { + writeKeyword(writer, 129); + writeSpace(writer); } - else if (!downfallType) { - downfallType = types[j]; + buildSymbolDisplay(prop, writer); + if (prop.flags & 536870912) { + writePunctuation(writer, 54); } } - ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); - if (score > bestSupertypeScore) { - bestSupertype = types[i]; - bestSupertypeDownfallType = downfallType; - bestSupertypeScore = score; + function shouldAddParenthesisAroundFunctionType(callSignature, flags) { + if (flags & 64) { + return true; + } + else if (flags & 256) { + var typeParameters = callSignature.target && (flags & 32) ? + callSignature.target.typeParameters : callSignature.typeParameters; + return typeParameters && typeParameters.length !== 0; + } + return false; } - if (bestSupertypeScore === types.length - 1) { - break; + function writeLiteralType(type, flags) { + var resolved = resolveStructuredTypeMembers(type); + if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { + if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { + writePunctuation(writer, 16); + writePunctuation(writer, 17); + return; + } + if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { + var parenthesizeSignature = shouldAddParenthesisAroundFunctionType(resolved.callSignatures[0], flags); + if (parenthesizeSignature) { + writePunctuation(writer, 18); + } + buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (parenthesizeSignature) { + writePunctuation(writer, 19); + } + return; + } + if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { + if (flags & 64) { + writePunctuation(writer, 18); + } + writeKeyword(writer, 93); + writeSpace(writer); + buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (flags & 64) { + writePunctuation(writer, 19); + } + return; + } + } + var saveInObjectTypeLiteral = inObjectTypeLiteral; + inObjectTypeLiteral = true; + writePunctuation(writer, 16); + writer.writeLine(); + writer.increaseIndent(); + for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 24); + writer.writeLine(); + } + for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); + writePunctuation(writer, 24); + writer.writeLine(); + } + writeIndexSignature(resolved.stringIndexInfo, 133); + writeIndexSignature(resolved.numberIndexInfo, 131); + for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { + var signatures = getSignaturesOfType(t, 0); + for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { + var signature = signatures_1[_f]; + writePropertyWithModifiers(p); + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 24); + writer.writeLine(); + } + } + else { + writePropertyWithModifiers(p); + writePunctuation(writer, 55); + writeSpace(writer); + writeType(t, 0); + writePunctuation(writer, 24); + writer.writeLine(); + } + } + writer.decreaseIndent(); + writePunctuation(writer, 17); + inObjectTypeLiteral = saveInObjectTypeLiteral; } } - checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); - } - function isArrayType(type) { - return type.flags & 131072 && type.target === globalArrayType; - } - function isArrayLikeType(type) { - return type.flags & 131072 && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || - !(type.flags & 6144) && isTypeAssignableTo(type, anyReadonlyArrayType); - } - function isTupleLikeType(type) { - return !!getPropertyOfType(type, "0"); - } - function isUnitType(type) { - return (type.flags & (480 | 2048 | 4096)) !== 0; - } - function isLiteralType(type) { - return type.flags & 8 ? true : - type.flags & 524288 ? type.flags & 16 ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : - isUnitType(type); - } - function getBaseTypeOfLiteralType(type) { - return type.flags & 32 ? stringType : - type.flags & 64 ? numberType : - type.flags & 128 ? booleanType : - type.flags & 256 ? type.baseType : - type.flags & 524288 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : - type; - } - function getWidenedLiteralType(type) { - return type.flags & 32 && type.flags & 16777216 ? stringType : - type.flags & 64 && type.flags & 16777216 ? numberType : - type.flags & 128 ? booleanType : - type.flags & 256 ? type.baseType : - type.flags & 524288 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : - type; - } - function isTupleType(type) { - return !!(type.flags & 131072 && type.target.flags & 262144); - } - function getFalsyFlagsOfTypes(types) { - var result = 0; - for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { - var t = types_9[_i]; - result |= getFalsyFlags(t); - } - return result; - } - function getFalsyFlags(type) { - return type.flags & 524288 ? getFalsyFlagsOfTypes(type.types) : - type.flags & 32 ? type.text === "" ? 32 : 0 : - type.flags & 64 ? type.text === "0" ? 64 : 0 : - type.flags & 128 ? type === falseType ? 128 : 0 : - type.flags & 7406; - } - function includeFalsyTypes(type, flags) { - if ((getFalsyFlags(type) & flags) === flags) { - return type; - } - var types = [type]; - if (flags & 34) - types.push(emptyStringType); - if (flags & 340) - types.push(zeroType); - if (flags & 136) - types.push(falseType); - if (flags & 1024) - types.push(voidType); - if (flags & 2048) - types.push(undefinedType); - if (flags & 4096) - types.push(nullType); - return getUnionType(types, true); - } - function removeDefinitelyFalsyTypes(type) { - return getFalsyFlags(type) & 7392 ? - filterType(type, function (t) { return !(getFalsyFlags(t) & 7392); }) : - type; - } - function getNonNullableType(type) { - return strictNullChecks ? getTypeWithFacts(type, 524288) : type; - } - function isObjectLiteralType(type) { - return type.symbol && (type.symbol.flags & (4096 | 2048)) !== 0 && - getSignaturesOfType(type, 0).length === 0 && - getSignaturesOfType(type, 1).length === 0; - } - function createTransientSymbol(source, type) { - var symbol = createSymbol(source.flags | 67108864, source.name); - symbol.declarations = source.declarations; - symbol.parent = source.parent; - symbol.type = type; - symbol.target = source; - if (source.valueDeclaration) { - symbol.valueDeclaration = source.valueDeclaration; - } - return symbol; - } - function transformTypeOfMembers(type, f) { - var members = ts.createMap(); - for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) { - var property = _a[_i]; - var original = getTypeOfSymbol(property); - var updated = f(original); - members[property.name] = updated === original ? property : createTransientSymbol(property, updated); - } - ; - return members; - } - function getRegularTypeOfObjectLiteral(type) { - if (!(type.flags & 8388608 && type.flags & 16777216)) { - return type; + function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { + var targetSymbol = getTargetSymbol(symbol); + if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { + buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + } } - var regularType = type.regularType; - if (regularType) { - return regularType; + function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { + appendSymbolNameOnly(tp.symbol, writer); + var constraint = getConstraintOfTypeParameter(tp); + if (constraint) { + writeSpace(writer); + writeKeyword(writer, 84); + writeSpace(writer); + buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + } } - var resolved = type; - var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); - var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo); - regularNew.flags = resolved.flags & ~16777216; - type.regularType = regularNew; - return regularNew; - } - function getWidenedTypeOfObjectLiteral(type) { - var members = transformTypeOfMembers(type, function (prop) { - var widened = getWidenedType(prop); - return prop === widened ? prop : widened; - }); - var stringIndexInfo = getIndexInfoOfType(type, 0); - var numberIndexInfo = getIndexInfoOfType(type, 1); - return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly)); - } - function getWidenedConstituentType(type) { - return type.flags & 6144 ? type : getWidenedType(type); - } - function getWidenedType(type) { - if (type.flags & 100663296) { - if (type.flags & 6144) { - return anyType; + function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { + var parameterNode = p.valueDeclaration; + if (ts.isRestParameter(parameterNode)) { + writePunctuation(writer, 23); } - if (type.flags & 8388608) { - return getWidenedTypeOfObjectLiteral(type); + if (ts.isBindingPattern(parameterNode.name)) { + buildBindingPatternDisplay(parameterNode.name, writer, enclosingDeclaration, flags, symbolStack); } - if (type.flags & 524288) { - return getUnionType(ts.sameMap(type.types, getWidenedConstituentType)); + else { + appendSymbolNameOnly(p, writer); } - if (isArrayType(type) || isTupleType(type)) { - return createTypeReference(type.target, ts.sameMap(type.typeArguments, getWidenedType)); + if (isOptionalParameter(parameterNode)) { + writePunctuation(writer, 54); } + writePunctuation(writer, 55); + writeSpace(writer); + buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); } - return type; - } - function reportWideningErrorsInType(type) { - var errorReported = false; - if (type.flags & 524288) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } + function buildBindingPatternDisplay(bindingPattern, writer, enclosingDeclaration, flags, symbolStack) { + if (bindingPattern.kind === 168) { + writePunctuation(writer, 16); + buildDisplayForCommaSeparatedList(bindingPattern.elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); + writePunctuation(writer, 17); } - } - if (isArrayType(type) || isTupleType(type)) { - for (var _b = 0, _c = type.typeArguments; _b < _c.length; _b++) { - var t = _c[_b]; - if (reportWideningErrorsInType(t)) { - errorReported = true; + else if (bindingPattern.kind === 169) { + writePunctuation(writer, 20); + var elements = bindingPattern.elements; + buildDisplayForCommaSeparatedList(elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); }); + if (elements && elements.hasTrailingComma) { + writePunctuation(writer, 25); } + writePunctuation(writer, 21); } } - if (type.flags & 8388608) { - for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (t.flags & 33554432) { - if (!reportWideningErrorsInType(t)) { - error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); - } - errorReported = true; - } + function buildBindingElementDisplay(bindingElement, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isOmittedExpression(bindingElement)) { + return; } - } - return errorReported; - } - function reportImplicitAnyError(declaration, type) { - var typeAsString = typeToString(getWidenedType(type)); - var diagnostic; - switch (declaration.kind) { - case 146: - case 145: - diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; - break; - case 143: - diagnostic = declaration.dotDotDotToken ? - ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : - ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; - break; - case 170: - diagnostic = ts.Diagnostics.Binding_element_0_implicitly_has_an_1_type; - break; - case 221: - case 148: - case 147: - case 150: - case 151: - case 180: - case 181: - if (!declaration.name) { - error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); - return; - } - diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; - break; - default: - diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; - } - error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); - } - function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 33554432) { - if (!reportWideningErrorsInType(type)) { - reportImplicitAnyError(declaration, type); + ts.Debug.assert(bindingElement.kind === 170); + if (bindingElement.propertyName) { + writer.writeSymbol(ts.getTextOfNode(bindingElement.propertyName), bindingElement.symbol); + writePunctuation(writer, 55); + writeSpace(writer); } - } - } - function forEachMatchingParameterType(source, target, callback) { - var sourceMax = source.parameters.length; - var targetMax = target.parameters.length; - var count; - if (source.hasRestParameter && target.hasRestParameter) { - count = Math.max(sourceMax, targetMax); - } - else if (source.hasRestParameter) { - count = targetMax; - } - else if (target.hasRestParameter) { - count = sourceMax; - } - else { - count = Math.min(sourceMax, targetMax); - } - for (var i = 0; i < count; i++) { - callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i)); - } - } - function createInferenceContext(signature, inferUnionTypes) { - var inferences = ts.map(signature.typeParameters, createTypeInferencesObject); - return { - signature: signature, - inferUnionTypes: inferUnionTypes, - inferences: inferences, - inferredTypes: new Array(signature.typeParameters.length), - }; - } - function createTypeInferencesObject() { - return { - primary: undefined, - secondary: undefined, - topLevel: true, - isFixed: false, - }; - } - function couldContainTypeParameters(type) { - return !!(type.flags & 16384 || - type.flags & 131072 && ts.forEach(type.typeArguments, couldContainTypeParameters) || - type.flags & 2097152 && type.symbol && type.symbol.flags & (8192 | 2048 | 32) || - type.flags & 1572864 && couldUnionOrIntersectionContainTypeParameters(type)); - } - function couldUnionOrIntersectionContainTypeParameters(type) { - if (type.couldContainTypeParameters === undefined) { - type.couldContainTypeParameters = ts.forEach(type.types, couldContainTypeParameters); - } - return type.couldContainTypeParameters; - } - function isTypeParameterAtTopLevel(type, typeParameter) { - return type === typeParameter || type.flags & 1572864 && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); - } - function inferTypes(context, originalSource, originalTarget) { - var typeParameters = context.signature.typeParameters; - var sourceStack; - var targetStack; - var depth = 0; - var inferiority = 0; - var visited = ts.createMap(); - inferFromTypes(originalSource, originalTarget); - function isInProcess(source, target) { - for (var i = 0; i < depth; i++) { - if (source === sourceStack[i] && target === targetStack[i]) { - return true; + if (ts.isBindingPattern(bindingElement.name)) { + buildBindingPatternDisplay(bindingElement.name, writer, enclosingDeclaration, flags, symbolStack); + } + else { + if (bindingElement.dotDotDotToken) { + writePunctuation(writer, 23); } + appendSymbolNameOnly(bindingElement.symbol, writer); } - return false; } - function inferFromTypes(source, target) { - if (!couldContainTypeParameters(target)) { - return; + function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 26); + buildDisplayForCommaSeparatedList(typeParameters, writer, function (p) { return buildTypeParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack); }); + writePunctuation(writer, 28); } - if (source.flags & 524288 && target.flags & 524288 && !(source.flags & 16 && target.flags & 16) || - source.flags & 1048576 && target.flags & 1048576) { - if (source === target) { - for (var _i = 0, _a = source.types; _i < _a.length; _i++) { - var t = _a[_i]; - inferFromTypes(t, t); - } - return; - } - var matchingTypes = void 0; - for (var _b = 0, _c = source.types; _b < _c.length; _b++) { - var t = _c[_b]; - if (typeIdenticalToSomeType(t, target.types)) { - (matchingTypes || (matchingTypes = [])).push(t); - inferFromTypes(t, t); - } - else if (t.flags & (64 | 32)) { - var b = getBaseTypeOfLiteralType(t); - if (typeIdenticalToSomeType(b, target.types)) { - (matchingTypes || (matchingTypes = [])).push(t, b); - } - } - } - if (matchingTypes) { - source = removeTypesFromUnionOrIntersection(source, matchingTypes); - target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + function buildDisplayForCommaSeparatedList(list, writer, action) { + for (var i = 0; i < list.length; i++) { + if (i > 0) { + writePunctuation(writer, 25); + writeSpace(writer); } + action(list[i]); } - if (target.flags & 16384) { - if (source.flags & 134217728) { - return; - } + } + function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 26); + var flags = 256; for (var i = 0; i < typeParameters.length; i++) { - if (target === typeParameters[i]) { - var inferences = context.inferences[i]; - if (!inferences.isFixed) { - var candidates = inferiority ? - inferences.secondary || (inferences.secondary = []) : - inferences.primary || (inferences.primary = []); - if (!ts.contains(candidates, source)) { - candidates.push(source); - } - if (!isTypeParameterAtTopLevel(originalTarget, target)) { - inferences.topLevel = false; - } - } - return; + if (i > 0) { + writePunctuation(writer, 25); + writeSpace(writer); + flags = 0; } + buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, flags); } + writePunctuation(writer, 28); } - else if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) { - var sourceTypes = source.typeArguments || emptyArray; - var targetTypes = target.typeArguments || emptyArray; - var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; - for (var i = 0; i < count; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } + } + function buildDisplayForParametersAndDelimiters(thisParameter, parameters, writer, enclosingDeclaration, flags, symbolStack) { + writePunctuation(writer, 18); + if (thisParameter) { + buildParameterDisplay(thisParameter, writer, enclosingDeclaration, flags, symbolStack); } - else if (target.flags & 1572864) { - var targetTypes = target.types; - var typeParameterCount = 0; - var typeParameter = void 0; - for (var _d = 0, targetTypes_2 = targetTypes; _d < targetTypes_2.length; _d++) { - var t = targetTypes_2[_d]; - if (t.flags & 16384 && ts.contains(typeParameters, t)) { - typeParameter = t; - typeParameterCount++; - } - else { - inferFromTypes(source, t); - } - } - if (typeParameterCount === 1) { - inferiority++; - inferFromTypes(source, typeParameter); - inferiority--; + for (var i = 0; i < parameters.length; i++) { + if (i > 0 || thisParameter) { + writePunctuation(writer, 25); + writeSpace(writer); } + buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); } - else if (source.flags & 1572864) { - var sourceTypes = source.types; - for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) { - var sourceType = sourceTypes_3[_e]; - inferFromTypes(sourceType, target); - } + writePunctuation(writer, 19); + } + function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isIdentifierTypePredicate(predicate)) { + writer.writeParameter(predicate.parameterName); } else { - source = getApparentType(source); - if (source.flags & 2588672) { - if (isInProcess(source, target)) { - return; - } - if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { - return; - } - var key = source.id + "," + target.id; - if (visited[key]) { - return; - } - visited[key] = true; - if (depth === 0) { - sourceStack = []; - targetStack = []; - } - sourceStack[depth] = source; - targetStack[depth] = target; - depth++; - inferFromProperties(source, target); - inferFromSignatures(source, target, 0); - inferFromSignatures(source, target, 1); - inferFromIndexTypes(source, target); - depth--; - } + writeKeyword(writer, 98); } + writeSpace(writer); + writeKeyword(writer, 125); + writeSpace(writer); + buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); } - function inferFromProperties(source, target) { - var properties = getPropertiesOfObjectType(target); - for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { - var targetProp = properties_3[_i]; - var sourceProp = getPropertyOfObjectType(source, targetProp.name); - if (sourceProp) { - inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } + function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { + if (flags & 8) { + writeSpace(writer); + writePunctuation(writer, 35); } - } - function inferFromSignatures(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - var sourceLen = sourceSignatures.length; - var targetLen = targetSignatures.length; - var len = sourceLen < targetLen ? sourceLen : targetLen; - for (var i = 0; i < len; i++) { - inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + else { + writePunctuation(writer, 55); } - } - function inferFromParameterTypes(source, target) { - return inferFromTypes(source, target); - } - function inferFromSignature(source, target) { - forEachMatchingParameterType(source, target, inferFromParameterTypes); - if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { - inferFromTypes(source.typePredicate.type, target.typePredicate.type); + writeSpace(writer); + if (signature.typePredicate) { + buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); } else { - inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + var returnType = getReturnTypeOfSignature(signature); + buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); } } - function inferFromIndexTypes(source, target) { - var targetStringIndexType = getIndexTypeOfType(target, 0); - if (targetStringIndexType) { - var sourceIndexType = getIndexTypeOfType(source, 0) || - getImplicitIndexTypeOfType(source, 0); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetStringIndexType); - } + function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { + if (kind === 1) { + writeKeyword(writer, 93); + writeSpace(writer); } - var targetNumberIndexType = getIndexTypeOfType(target, 1); - if (targetNumberIndexType) { - var sourceIndexType = getIndexTypeOfType(source, 1) || - getIndexTypeOfType(source, 0) || - getImplicitIndexTypeOfType(source, 1); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetNumberIndexType); - } + if (signature.target && (flags & 32)) { + buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + } + else { + buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); } + buildDisplayForParametersAndDelimiters(signature.thisParameter, signature.parameters, writer, enclosingDeclaration, flags, symbolStack); + buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); } + return _displayBuilder || (_displayBuilder = { + buildSymbolDisplay: buildSymbolDisplay, + buildTypeDisplay: buildTypeDisplay, + buildTypeParameterDisplay: buildTypeParameterDisplay, + buildTypePredicateDisplay: buildTypePredicateDisplay, + buildParameterDisplay: buildParameterDisplay, + buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, + buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, + buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, + buildSignatureDisplay: buildSignatureDisplay, + buildReturnTypeDisplay: buildReturnTypeDisplay + }); } - function typeIdenticalToSomeType(type, types) { - for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { - var t = types_10[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; + function isDeclarationVisible(node) { + if (node) { + var links = getNodeLinks(node); + if (links.isVisible === undefined) { + links.isVisible = !!determineIfDeclarationIsVisible(); } + return links.isVisible; } return false; - } - function removeTypesFromUnionOrIntersection(type, typesToRemove) { - var reducedTypes = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!typeIdenticalToSomeType(t, typesToRemove)) { - reducedTypes.push(t); + function determineIfDeclarationIsVisible() { + switch (node.kind) { + case 170: + return isDeclarationVisible(node.parent.parent); + case 219: + if (ts.isBindingPattern(node.name) && + !node.name.elements.length) { + return false; + } + case 226: + case 222: + case 223: + case 224: + case 221: + case 225: + case 230: + if (ts.isExternalModuleAugmentation(node)) { + return true; + } + var parent_10 = getDeclarationContainer(node); + if (!(ts.getCombinedModifierFlags(node) & 1) && + !(node.kind !== 230 && parent_10.kind !== 256 && ts.isInAmbientContext(parent_10))) { + return isGlobalSourceFile(parent_10); + } + return isDeclarationVisible(parent_10); + case 146: + case 145: + case 150: + case 151: + case 148: + case 147: + if (ts.getModifierFlags(node) & (8 | 16)) { + return false; + } + case 149: + case 153: + case 152: + case 154: + case 143: + case 227: + case 157: + case 158: + case 160: + case 156: + case 161: + case 162: + case 163: + case 164: + case 165: + return isDeclarationVisible(node.parent); + case 232: + case 233: + case 235: + return false; + case 142: + case 256: + case 229: + return true; + case 236: + return false; + default: + return false; } } - return type.flags & 524288 ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); - } - function getInferenceCandidates(context, index) { - var inferences = context.inferences[index]; - return inferences.primary || inferences.secondary || emptyArray; } - function hasPrimitiveConstraint(type) { - var constraint = getConstraintOfTypeParameter(type); - return constraint && maybeTypeOfKind(constraint, 8190); - } - function getInferredType(context, index) { - var inferredType = context.inferredTypes[index]; - var inferenceSucceeded; - if (!inferredType) { - var inferences = getInferenceCandidates(context, index); - if (inferences.length) { - var signature = context.signature; - var widenLiteralTypes = context.inferences[index].topLevel && - !hasPrimitiveConstraint(signature.typeParameters[index]) && - (context.inferences[index].isFixed || !isTypeParameterAtTopLevel(getReturnTypeOfSignature(signature), signature.typeParameters[index])); - var baseInferences = widenLiteralTypes ? ts.sameMap(inferences, getWidenedLiteralType) : inferences; - var unionOrSuperType = context.inferUnionTypes ? getUnionType(baseInferences, true) : getCommonSupertype(baseInferences); - inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; - inferenceSucceeded = !!unionOrSuperType; - } - else { - inferredType = emptyObjectType; - inferenceSucceeded = true; - } - context.inferredTypes[index] = inferredType; - if (inferenceSucceeded) { - var constraint = getConstraintOfTypeParameter(context.signature.typeParameters[index]); - if (constraint) { - var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); - if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { - context.inferredTypes[index] = inferredType = instantiatedConstraint; + function collectLinkedAliases(node) { + var exportSymbol; + if (node.parent && node.parent.kind === 236) { + exportSymbol = resolveName(node.parent, node.text, 107455 | 793064 | 1920 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); + } + else if (node.parent.kind === 239) { + var exportSpecifier = node.parent; + exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? + getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : + resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793064 | 1920 | 8388608); + } + var result = []; + if (exportSymbol) { + buildVisibleNodeList(exportSymbol.declarations); + } + return result; + function buildVisibleNodeList(declarations) { + ts.forEach(declarations, function (declaration) { + getNodeLinks(declaration).isVisible = true; + var resultNode = getAnyImportSyntax(declaration) || declaration; + if (!ts.contains(result, resultNode)) { + result.push(resultNode); + } + if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { + var internalModuleReference = declaration.moduleReference; + var firstIdentifier = getFirstIdentifier(internalModuleReference); + var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793064 | 1920, undefined, undefined); + if (importSymbol) { + buildVisibleNodeList(importSymbol.declarations); } } + }); + } + } + function pushTypeResolution(target, propertyName) { + var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); + if (resolutionCycleStartIndex >= 0) { + var length_2 = resolutionTargets.length; + for (var i = resolutionCycleStartIndex; i < length_2; i++) { + resolutionResults[i] = false; } - else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { - context.failedTypeParameterIndex = index; - } + return false; } - return inferredType; + resolutionTargets.push(target); + resolutionResults.push(true); + resolutionPropertyNames.push(propertyName); + return true; } - function getInferredTypes(context) { - for (var i = 0; i < context.inferredTypes.length; i++) { - getInferredType(context, i); + function findResolutionCycleStartIndex(target, propertyName) { + for (var i = resolutionTargets.length - 1; i >= 0; i--) { + if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { + return -1; + } + if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { + return i; + } } - return context.inferredTypes; + return -1; } - function getResolvedSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - links.resolvedSymbol = !ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node) || unknownSymbol; + function hasType(target, propertyName) { + if (propertyName === 0) { + return getSymbolLinks(target).type; } - return links.resolvedSymbol; + if (propertyName === 2) { + return getSymbolLinks(target).declaredType; + } + if (propertyName === 1) { + return target.resolvedBaseConstructorType; + } + if (propertyName === 3) { + return target.resolvedReturnType; + } + ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); } - function isInTypeQuery(node) { + function popTypeResolution() { + resolutionTargets.pop(); + resolutionPropertyNames.pop(); + return resolutionResults.pop(); + } + function getDeclarationContainer(node) { + node = ts.getRootDeclaration(node); while (node) { switch (node.kind) { - case 159: - return true; - case 70: - case 140: + case 219: + case 220: + case 235: + case 234: + case 233: + case 232: node = node.parent; - continue; + break; default: - return false; + return node.parent; } } - ts.Debug.fail("should not get here"); } - function getFlowCacheKey(node) { - if (node.kind === 70) { - var symbol = getResolvedSymbol(node); - return symbol !== unknownSymbol ? "" + getSymbolId(symbol) : undefined; - } - if (node.kind === 98) { - return "0"; - } - if (node.kind === 173) { - var key = getFlowCacheKey(node.expression); - return key && key + "." + node.name.text; - } - return undefined; + function getTypeOfPrototypeProperty(prototype) { + var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); + return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; } - function getLeftmostIdentifierOrThis(node) { - switch (node.kind) { - case 70: - case 98: - return node; - case 173: - return getLeftmostIdentifierOrThis(node.expression); - } - return undefined; + function getTypeOfPropertyOfType(type, name) { + var prop = getPropertyOfType(type, name); + return prop ? getTypeOfSymbol(prop) : undefined; } - function isMatchingReference(source, target) { - switch (source.kind) { - case 70: - return target.kind === 70 && getResolvedSymbol(source) === getResolvedSymbol(target) || - (target.kind === 219 || target.kind === 170) && - getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(source)) === getSymbolOfNode(target); - case 98: - return target.kind === 98; - case 173: - return target.kind === 173 && - source.name.text === target.name.text && - isMatchingReference(source.expression, target.expression); - } - return false; + function isTypeAny(type) { + return type && (type.flags & 1) !== 0; } - function containsMatchingReference(source, target) { - while (source.kind === 173) { - source = source.expression; - if (isMatchingReference(source, target)) { - return true; - } - } - return false; + function isTypeNever(type) { + return type && (type.flags & 8192) !== 0; } - function containsMatchingReferenceDiscriminant(source, target) { - return target.kind === 173 && - containsMatchingReference(source, target.expression) && - isDiscriminantProperty(getDeclaredTypeOfReference(target.expression), target.name.text); + function getTypeForBindingElementParent(node) { + var symbol = getSymbolOfNode(node); + return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node, false); } - function getDeclaredTypeOfReference(expr) { - if (expr.kind === 70) { - return getTypeOfSymbol(getResolvedSymbol(expr)); - } - if (expr.kind === 173) { - var type = getDeclaredTypeOfReference(expr.expression); - return type && getTypeOfPropertyOfType(type, expr.name.text); + function getTextOfPropertyName(name) { + switch (name.kind) { + case 70: + return name.text; + case 9: + case 8: + return name.text; + case 141: + if (ts.isStringOrNumericLiteral(name.expression.kind)) { + return name.expression.text; + } } return undefined; } - function isDiscriminantProperty(type, name) { - if (type && type.flags & 524288) { - var prop = getUnionOrIntersectionProperty(type, name); - if (prop && prop.flags & 268435456) { - if (prop.isDiscriminantProperty === undefined) { - prop.isDiscriminantProperty = prop.hasNonUniformType && isLiteralType(getTypeOfSymbol(prop)); - } - return prop.isDiscriminantProperty; + function isComputedNonLiteralName(name) { + return name.kind === 141 && !ts.isStringOrNumericLiteral(name.expression.kind); + } + function getTypeForBindingElement(declaration) { + var pattern = declaration.parent; + var parentType = getTypeForBindingElementParent(pattern.parent); + if (parentType === unknownType) { + return unknownType; + } + if (!parentType || isTypeAny(parentType)) { + if (declaration.initializer) { + return checkDeclarationInitializer(declaration); } + return parentType; } - return false; - } - function isOrContainsMatchingReference(source, target) { - return isMatchingReference(source, target) || containsMatchingReference(source, target); - } - function hasMatchingArgument(callExpression, reference) { - if (callExpression.arguments) { - for (var _i = 0, _a = callExpression.arguments; _i < _a.length; _i++) { - var argument = _a[_i]; - if (isOrContainsMatchingReference(reference, argument)) { - return true; + var type; + if (pattern.kind === 168) { + var name_17 = declaration.propertyName || declaration.name; + if (isComputedNonLiteralName(name_17)) { + return anyType; + } + if (declaration.initializer) { + getContextualType(declaration.initializer); + } + var text = getTextOfPropertyName(name_17); + type = getTypeOfPropertyOfType(parentType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || + getIndexTypeOfType(parentType, 0); + if (!type) { + error(name_17, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_17)); + return unknownType; + } + } + else { + var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); + if (!declaration.dotDotDotToken) { + var propName = "" + ts.indexOf(pattern.elements, declaration); + type = isTupleLikeType(parentType) + ? getTypeOfPropertyOfType(parentType, propName) + : elementType; + if (!type) { + if (isTupleType(parentType)) { + error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), getTypeReferenceArity(parentType), pattern.elements.length); + } + else { + error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + } + return unknownType; } } + else { + type = createArrayType(elementType); + } } - if (callExpression.expression.kind === 173 && - isOrContainsMatchingReference(reference, callExpression.expression.expression)) { - return true; + if (strictNullChecks && declaration.initializer && !(getFalsyFlags(checkExpressionCached(declaration.initializer)) & 2048)) { + type = getTypeWithFacts(type, 131072); } - return false; + return declaration.initializer ? + getUnionType([type, checkExpressionCached(declaration.initializer)], true) : + type; } - function getFlowNodeId(flow) { - if (!flow.id) { - flow.id = nextFlowId; - nextFlowId++; + function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (jsDocType) { + return getTypeFromTypeNode(jsDocType); } - return flow.id; } - function typeMaybeAssignableTo(source, target) { - if (!(source.flags & 524288)) { - return isTypeAssignableTo(source, target); + function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var typeTag = ts.getJSDocTypeTag(declaration); + if (typeTag && typeTag.typeExpression) { + return typeTag.typeExpression.type; } - for (var _i = 0, _a = source.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isTypeAssignableTo(t, target)) { - return true; + if (declaration.kind === 219 && + declaration.parent.kind === 220 && + declaration.parent.parent.kind === 201) { + var annotation = ts.getJSDocTypeTag(declaration.parent.parent); + if (annotation && annotation.typeExpression) { + return annotation.typeExpression.type; } } - return false; - } - function getAssignmentReducedType(declaredType, assignedType) { - if (declaredType !== assignedType) { - if (assignedType.flags & 8192) { - return assignedType; - } - var reducedType = filterType(declaredType, function (t) { return typeMaybeAssignableTo(assignedType, t); }); - if (!(reducedType.flags & 8192)) { - return reducedType; + else if (declaration.kind === 143) { + var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type; } } - return declaredType; + return undefined; } - function getTypeFactsOfTypes(types) { - var result = 0; - for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { - var t = types_11[_i]; - result |= getTypeFacts(t); - } - return result; + function isNullOrUndefined(node) { + var expr = ts.skipParentheses(node); + return expr.kind === 94 || expr.kind === 70 && getResolvedSymbol(expr) === undefinedSymbol; } - function isFunctionObjectType(type) { - var resolved = resolveStructuredTypeMembers(type); - return !!(resolved.callSignatures.length || resolved.constructSignatures.length || - resolved.members["bind"] && isTypeSubtypeOf(type, globalFunctionType)); + function isEmptyArrayLiteral(node) { + var expr = ts.skipParentheses(node); + return expr.kind === 171 && expr.elements.length === 0; } - function getTypeFacts(type) { - var flags = type.flags; - if (flags & 2) { - return strictNullChecks ? 4079361 : 4194049; + function addOptionality(type, optional) { + return strictNullChecks && optional ? includeFalsyTypes(type, 2048) : type; + } + function getTypeForVariableLikeDeclaration(declaration, includeOptionality) { + if (declaration.flags & 1048576) { + var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (type && type !== unknownType) { + return type; + } } - if (flags & 32) { - return strictNullChecks ? - type.text === "" ? 3030785 : 1982209 : - type.text === "" ? 3145473 : 4194049; + if (declaration.parent.parent.kind === 208) { + return stringType; } - if (flags & (4 | 16)) { - return strictNullChecks ? 4079234 : 4193922; + if (declaration.parent.parent.kind === 209) { + return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; } - if (flags & (64 | 256)) { - var isZero = type.text === "0"; - return strictNullChecks ? - isZero ? 3030658 : 1982082 : - isZero ? 3145346 : 4193922; + if (ts.isBindingPattern(declaration.parent)) { + return getTypeForBindingElement(declaration); } - if (flags & 8) { - return strictNullChecks ? 4078980 : 4193668; + if (declaration.type) { + return addOptionality(getTypeFromTypeNode(declaration.type), declaration.questionToken && includeOptionality); } - if (flags & 136) { - return strictNullChecks ? - type === falseType ? 3030404 : 1981828 : - type === falseType ? 3145092 : 4193668; + if (declaration.kind === 219 && !ts.isBindingPattern(declaration.name) && + !(ts.getCombinedModifierFlags(declaration) & 1) && !ts.isInAmbientContext(declaration)) { + if (!(ts.getCombinedNodeFlags(declaration) & 2) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) { + return autoType; + } + if (declaration.initializer && isEmptyArrayLiteral(declaration.initializer)) { + return autoArrayType; + } } - if (flags & 2588672) { - return isFunctionObjectType(type) ? - strictNullChecks ? 6164448 : 8376288 : - strictNullChecks ? 6166480 : 8378320; + if (declaration.kind === 143) { + var func = declaration.parent; + if (func.kind === 151 && !ts.hasDynamicName(func)) { + var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 150); + if (getter) { + var getterSignature = getSignatureFromDeclaration(getter); + var thisParameter = getAccessorThisParameter(func); + if (thisParameter && declaration === thisParameter) { + ts.Debug.assert(!thisParameter.type); + return getTypeOfSymbol(getterSignature.thisParameter); + } + return getReturnTypeOfSignature(getterSignature); + } + } + var type = void 0; + if (declaration.symbol.name === "this") { + type = getContextualThisParameterType(func); + } + else { + type = getContextuallyTypedParameterType(declaration); + } + if (type) { + return addOptionality(type, declaration.questionToken && includeOptionality); + } } - if (flags & (1024 | 2048)) { - return 2457472; + if (declaration.initializer) { + var type = checkDeclarationInitializer(declaration); + return addOptionality(type, declaration.questionToken && includeOptionality); } - if (flags & 4096) { - return 2340752; + if (declaration.kind === 254) { + return checkIdentifier(declaration.name); } - if (flags & 512) { - return strictNullChecks ? 1981320 : 4193160; + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, false, true); } - if (flags & 16384) { - var constraint = getConstraintOfTypeParameter(type); - return getTypeFacts(constraint || emptyObjectType); + return undefined; + } + function getTypeFromBindingElement(element, includePatternInType, reportErrors) { + if (element.initializer) { + return checkDeclarationInitializer(element); } - if (flags & 1572864) { - return getTypeFactsOfTypes(type.types); + if (ts.isBindingPattern(element.name)) { + return getTypeFromBindingPattern(element.name, includePatternInType, reportErrors); } - return 8388607; - } - function getTypeWithFacts(type, include) { - return filterType(type, function (t) { return (getTypeFacts(t) & include) !== 0; }); - } - function getTypeWithDefault(type, defaultExpression) { - if (defaultExpression) { - var defaultType = checkExpression(defaultExpression); - return getUnionType([getTypeWithFacts(type, 131072), defaultType]); + if (reportErrors && compilerOptions.noImplicitAny && !declarationBelongsToPrivateAmbientMember(element)) { + reportImplicitAnyError(element, anyType); } - return type; - } - function getTypeOfDestructuredProperty(type, name) { - var text = getTextOfPropertyName(name); - return getTypeOfPropertyOfType(type, text) || - isNumericLiteralName(text) && getIndexTypeOfType(type, 1) || - getIndexTypeOfType(type, 0) || - unknownType; - } - function getTypeOfDestructuredArrayElement(type, index) { - return isTupleLikeType(type) && getTypeOfPropertyOfType(type, "" + index) || - checkIteratedTypeOrElementType(type, undefined, false) || - unknownType; - } - function getTypeOfDestructuredSpreadElement(type) { - return createArrayType(checkIteratedTypeOrElementType(type, undefined, false) || unknownType); - } - function getAssignedTypeOfBinaryExpression(node) { - return node.parent.kind === 171 || node.parent.kind === 253 ? - getTypeWithDefault(getAssignedType(node), node.right) : - checkExpression(node.right); - } - function getAssignedTypeOfArrayLiteralElement(node, element) { - return getTypeOfDestructuredArrayElement(getAssignedType(node), ts.indexOf(node.elements, element)); - } - function getAssignedTypeOfSpreadElement(node) { - return getTypeOfDestructuredSpreadElement(getAssignedType(node.parent)); - } - function getAssignedTypeOfPropertyAssignment(node) { - return getTypeOfDestructuredProperty(getAssignedType(node.parent), node.name); - } - function getAssignedTypeOfShorthandPropertyAssignment(node) { - return getTypeWithDefault(getAssignedTypeOfPropertyAssignment(node), node.objectAssignmentInitializer); + return anyType; } - function getAssignedType(node) { - var parent = node.parent; - switch (parent.kind) { - case 208: - return stringType; - case 209: - return checkRightHandSideOfForOf(parent.expression) || unknownType; - case 188: - return getAssignedTypeOfBinaryExpression(parent); - case 182: - return undefinedType; - case 171: - return getAssignedTypeOfArrayLiteralElement(parent, node); - case 192: - return getAssignedTypeOfSpreadElement(parent); - case 253: - return getAssignedTypeOfPropertyAssignment(parent); - case 254: - return getAssignedTypeOfShorthandPropertyAssignment(parent); + function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) { + var members = ts.createMap(); + var hasComputedProperties = false; + ts.forEach(pattern.elements, function (e) { + var name = e.propertyName || e.name; + if (isComputedNonLiteralName(name)) { + hasComputedProperties = true; + return; + } + var text = getTextOfPropertyName(name); + var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); + var symbol = createSymbol(flags, text); + symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors); + symbol.bindingElement = e; + members[symbol.name] = symbol; + }); + var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); + if (includePatternInType) { + result.pattern = pattern; } - return unknownType; + if (hasComputedProperties) { + result.objectFlags |= 256; + } + return result; } - function getInitialTypeOfBindingElement(node) { - var pattern = node.parent; - var parentType = getInitialType(pattern.parent); - var type = pattern.kind === 168 ? - getTypeOfDestructuredProperty(parentType, node.propertyName || node.name) : - !node.dotDotDotToken ? - getTypeOfDestructuredArrayElement(parentType, ts.indexOf(pattern.elements, node)) : - getTypeOfDestructuredSpreadElement(parentType); - return getTypeWithDefault(type, node.initializer); + function getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors) { + var elements = pattern.elements; + var lastElement = ts.lastOrUndefined(elements); + if (elements.length === 0 || (!ts.isOmittedExpression(lastElement) && lastElement.dotDotDotToken)) { + return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; + } + var elementTypes = ts.map(elements, function (e) { return ts.isOmittedExpression(e) ? anyType : getTypeFromBindingElement(e, includePatternInType, reportErrors); }); + var result = createTupleType(elementTypes); + if (includePatternInType) { + result = cloneTypeReference(result); + result.pattern = pattern; + } + return result; } - function getTypeOfInitializer(node) { - var links = getNodeLinks(node); - return links.resolvedType || checkExpression(node); + function getTypeFromBindingPattern(pattern, includePatternInType, reportErrors) { + return pattern.kind === 168 + ? getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) + : getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors); } - function getInitialTypeOfVariableDeclaration(node) { - if (node.initializer) { - return getTypeOfInitializer(node.initializer); + function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { + var type = getTypeForVariableLikeDeclaration(declaration, true); + if (type) { + if (reportErrors) { + reportErrorsFromWidening(declaration, type); + } + if (declaration.kind === 253) { + return type; + } + return getWidenedType(type); } - if (node.parent.parent.kind === 208) { - return stringType; + type = declaration.dotDotDotToken ? anyArrayType : anyType; + if (reportErrors && compilerOptions.noImplicitAny) { + if (!declarationBelongsToPrivateAmbientMember(declaration)) { + reportImplicitAnyError(declaration, type); + } } - if (node.parent.parent.kind === 209) { - return checkRightHandSideOfForOf(node.parent.parent.expression) || unknownType; + return type; + } + function declarationBelongsToPrivateAmbientMember(declaration) { + var root = ts.getRootDeclaration(declaration); + var memberDeclaration = root.kind === 143 ? root.parent : root; + return isPrivateWithinAmbient(memberDeclaration); + } + function getTypeOfVariableOrParameterOrProperty(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (symbol.flags & 134217728) { + return links.type = getTypeOfPrototypeProperty(symbol); + } + var declaration = symbol.valueDeclaration; + if (ts.isCatchClauseVariableDeclarationOrBindingElement(declaration)) { + return links.type = anyType; + } + if (declaration.kind === 236) { + return links.type = checkExpression(declaration.expression); + } + if (declaration.flags & 1048576 && declaration.kind === 280 && declaration.typeExpression) { + return links.type = getTypeFromTypeNode(declaration.typeExpression.type); + } + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var type = void 0; + if (declaration.kind === 188 || + declaration.kind === 173 && declaration.parent.kind === 188) { + if (declaration.flags & 1048576) { + var typeTag = ts.getJSDocTypeTag(declaration.parent); + if (typeTag && typeTag.typeExpression) { + return links.type = getTypeFromTypeNode(typeTag.typeExpression.type); + } + } + var declaredTypes = ts.map(symbol.declarations, function (decl) { return decl.kind === 188 ? + checkExpressionCached(decl.right) : + checkExpressionCached(decl.parent.right); }); + type = getUnionType(declaredTypes, true); + } + else { + type = getWidenedTypeForVariableLikeDeclaration(declaration, true); + } + if (!popTypeResolution()) { + if (symbol.valueDeclaration.type) { + type = unknownType; + error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else { + type = anyType; + if (compilerOptions.noImplicitAny) { + error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); + } + } + } + links.type = type; } - return unknownType; + return links.type; } - function getInitialType(node) { - return node.kind === 219 ? - getInitialTypeOfVariableDeclaration(node) : - getInitialTypeOfBindingElement(node); + function getAnnotatedAccessorType(accessor) { + if (accessor) { + if (accessor.kind === 150) { + return accessor.type && getTypeFromTypeNode(accessor.type); + } + else { + var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); + return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); + } + } + return undefined; } - function getInitialOrAssignedType(node) { - return node.kind === 219 || node.kind === 170 ? - getInitialType(node) : - getAssignedType(node); + function getAnnotatedAccessorThisParameter(accessor) { + var parameter = getAccessorThisParameter(accessor); + return parameter && parameter.symbol; } - function isEmptyArrayAssignment(node) { - return node.kind === 219 && node.initializer && - isEmptyArrayLiteral(node.initializer) || - node.kind !== 170 && node.parent.kind === 188 && - isEmptyArrayLiteral(node.parent.right); + function getThisTypeOfDeclaration(declaration) { + return getThisTypeOfSignature(getSignatureFromDeclaration(declaration)); } - function getReferenceCandidate(node) { - switch (node.kind) { - case 179: - return getReferenceCandidate(node.expression); - case 188: - switch (node.operatorToken.kind) { - case 57: - return getReferenceCandidate(node.left); - case 25: - return getReferenceCandidate(node.right); + function getTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var getter = ts.getDeclarationOfKind(symbol, 150); + var setter = ts.getDeclarationOfKind(symbol, 151); + if (getter && getter.flags & 1048576) { + var jsDocType = getTypeForVariableLikeDeclarationFromJSDocComment(getter); + if (jsDocType) { + return links.type = jsDocType; + } + } + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var type = void 0; + var getterReturnType = getAnnotatedAccessorType(getter); + if (getterReturnType) { + type = getterReturnType; + } + else { + var setterParameterType = getAnnotatedAccessorType(setter); + if (setterParameterType) { + type = setterParameterType; + } + else { + if (getter && getter.body) { + type = getReturnTypeFromBody(getter); + } + else { + if (compilerOptions.noImplicitAny) { + if (setter) { + error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation, symbolToString(symbol)); + } + else { + ts.Debug.assert(!!getter, "there must existed getter as we are current checking either setter or getter in this function"); + error(getter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation, symbolToString(symbol)); + } + } + type = anyType; + } + } + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var getter_1 = ts.getDeclarationOfKind(symbol, 150); + error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); } + } + links.type = type; } - return node; - } - function getReferenceRoot(node) { - var parent = node.parent; - return parent.kind === 179 || - parent.kind === 188 && parent.operatorToken.kind === 57 && parent.left === node || - parent.kind === 188 && parent.operatorToken.kind === 25 && parent.right === node ? - getReferenceRoot(parent) : node; + return links.type; } - function getTypeOfSwitchClause(clause) { - if (clause.kind === 249) { - var caseType = getRegularTypeOfLiteralType(checkExpression(clause.expression)); - return isUnitType(caseType) ? caseType : undefined; + function getTypeOfFuncClassEnumModule(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (symbol.valueDeclaration.kind === 226 && ts.isShorthandAmbientModuleSymbol(symbol)) { + links.type = anyType; + } + else { + var type = createObjectType(16, symbol); + links.type = strictNullChecks && symbol.flags & 536870912 ? + includeFalsyTypes(type, 2048) : type; + } } - return neverType; + return links.type; } - function getSwitchClauseTypes(switchStatement) { - var links = getNodeLinks(switchStatement); - if (!links.switchTypes) { - var types = ts.map(switchStatement.caseBlock.clauses, getTypeOfSwitchClause); - links.switchTypes = !ts.contains(types, undefined) ? types : emptyArray; + function getTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = getDeclaredTypeOfEnumMember(symbol); } - return links.switchTypes; + return links.type; } - function eachTypeContainedIn(source, types) { - return source.flags & 524288 ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + function getTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var targetSymbol = resolveAlias(symbol); + links.type = targetSymbol.flags & 107455 + ? getTypeOfSymbol(targetSymbol) + : unknownType; + } + return links.type; } - function isTypeSubsetOf(source, target) { - return source === target || target.flags & 524288 && isTypeSubsetOfUnion(source, target); + function getTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + } + return links.type; } - function isTypeSubsetOfUnion(source, target) { - if (source.flags & 524288) { - for (var _i = 0, _a = source.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!containsType(target.types, t)) { - return false; - } - } - return true; + function getTypeOfSymbol(symbol) { + if (symbol.flags & 16777216) { + return getTypeOfInstantiatedSymbol(symbol); } - if (source.flags & 256 && target.flags & 16 && source.baseType === target) { - return true; + if (symbol.flags & (3 | 4)) { + return getTypeOfVariableOrParameterOrProperty(symbol); } - return containsType(target.types, source); - } - function filterType(type, f) { - if (type.flags & 524288) { - var types = type.types; - var filtered = ts.filter(types, f); - return filtered === types ? type : getUnionTypeFromSortedList(filtered); + if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { + return getTypeOfFuncClassEnumModule(symbol); } - return f(type) ? type : neverType; - } - function mapType(type, f) { - return type.flags & 524288 ? getUnionType(ts.map(type.types, f)) : f(type); + if (symbol.flags & 8) { + return getTypeOfEnumMember(symbol); + } + if (symbol.flags & 98304) { + return getTypeOfAccessors(symbol); + } + if (symbol.flags & 8388608) { + return getTypeOfAlias(symbol); + } + return unknownType; } - function extractTypesOfKind(type, kind) { - return filterType(type, function (t) { return (t.flags & kind) !== 0; }); + function getTargetType(type) { + return getObjectFlags(type) & 4 ? type.target : type; } - function replacePrimitivesWithLiterals(typeWithPrimitives, typeWithLiterals) { - if (isTypeSubsetOf(stringType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 32) || - isTypeSubsetOf(numberType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 64)) { - return mapType(typeWithPrimitives, function (t) { - return t.flags & 2 ? extractTypesOfKind(typeWithLiterals, 2 | 32) : - t.flags & 4 ? extractTypesOfKind(typeWithLiterals, 4 | 64) : - t; - }); + function hasBaseType(type, checkBase) { + return check(type); + function check(type) { + var target = getTargetType(type); + return target === checkBase || ts.forEach(getBaseTypes(target), check); } - return typeWithPrimitives; } - function isIncomplete(flowType) { - return flowType.flags === 0; + function appendTypeParameters(typeParameters, declarations) { + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); + if (!typeParameters) { + typeParameters = [tp]; + } + else if (!ts.contains(typeParameters, tp)) { + typeParameters.push(tp); + } + } + return typeParameters; } - function getTypeFromFlowType(flowType) { - return flowType.flags === 0 ? flowType.type : flowType; + function appendOuterTypeParameters(typeParameters, node) { + while (true) { + node = node.parent; + if (!node) { + return typeParameters; + } + if (node.kind === 222 || node.kind === 193 || + node.kind === 221 || node.kind === 180 || + node.kind === 148 || node.kind === 181) { + var declarations = node.typeParameters; + if (declarations) { + return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); + } + } + } } - function createFlowType(type, incomplete) { - return incomplete ? { flags: 0, type: type } : type; + function getOuterTypeParametersOfClassOrInterface(symbol) { + var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 223); + return appendOuterTypeParameters(undefined, declaration); } - function createEvolvingArrayType(elementType) { - var result = createObjectType(2097152); - result.elementType = elementType; + function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { + var result; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + if (node.kind === 223 || node.kind === 222 || + node.kind === 193 || node.kind === 224) { + var declaration = node; + if (declaration.typeParameters) { + result = appendTypeParameters(result, declaration.typeParameters); + } + } + } return result; } - function getEvolvingArrayType(elementType) { - return evolvingArrayTypes[elementType.id] || (evolvingArrayTypes[elementType.id] = createEvolvingArrayType(elementType)); - } - function addEvolvingArrayElementType(evolvingArrayType, node) { - var elementType = getBaseTypeOfLiteralType(checkExpression(node)); - return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); - } - function isEvolvingArrayType(type) { - return !!(type.flags & 2097152 && type.elementType); + function getTypeParametersOfClassOrInterface(symbol) { + return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); } - function createFinalArrayType(elementType) { - return elementType.flags & 8192 ? - autoArrayType : - createArrayType(elementType.flags & 524288 ? - getUnionType(elementType.types, true) : - elementType); + function isConstructorType(type) { + return type.flags & 32768 && getSignaturesOfType(type, 1).length > 0; } - function getFinalArrayType(evolvingArrayType) { - return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); + function getBaseTypeNodeOfClass(type) { + return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); } - function finalizeEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? getFinalArrayType(type) : type; + function getConstructorsForTypeArguments(type, typeArgumentNodes) { + var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; + return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); } - function getElementTypeOfEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? type.elementType : neverType; + function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { + var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); + if (typeArgumentNodes) { + var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); + signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + } + return signatures; } - function isEvolvingArrayTypeList(types) { - var hasEvolvingArrayType = false; - for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { - var t = types_12[_i]; - if (!(t.flags & 8192)) { - if (!isEvolvingArrayType(t)) { - return false; - } - hasEvolvingArrayType = true; + function getBaseConstructorTypeOfClass(type) { + if (!type.resolvedBaseConstructorType) { + var baseTypeNode = getBaseTypeNodeOfClass(type); + if (!baseTypeNode) { + return type.resolvedBaseConstructorType = undefinedType; + } + if (!pushTypeResolution(type, 1)) { + return unknownType; + } + var baseConstructorType = checkExpression(baseTypeNode.expression); + if (baseConstructorType.flags & 32768) { + resolveStructuredTypeMembers(baseConstructorType); } + if (!popTypeResolution()) { + error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); + return type.resolvedBaseConstructorType = unknownType; + } + if (baseConstructorType !== unknownType && baseConstructorType !== nullWideningType && !isConstructorType(baseConstructorType)) { + error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); + return type.resolvedBaseConstructorType = unknownType; + } + type.resolvedBaseConstructorType = baseConstructorType; } - return hasEvolvingArrayType; - } - function getUnionOrEvolvingArrayType(types, subtypeReduction) { - return isEvolvingArrayTypeList(types) ? - getEvolvingArrayType(getUnionType(ts.map(types, getElementTypeOfEvolvingArrayType))) : - getUnionType(ts.sameMap(types, finalizeEvolvingArrayType), subtypeReduction); - } - function isEvolvingArrayOperationTarget(node) { - var root = getReferenceRoot(node); - var parent = root.parent; - var isLengthPushOrUnshift = parent.kind === 173 && (parent.name.text === "length" || - parent.parent.kind === 175 && ts.isPushOrUnshiftIdentifier(parent.name)); - var isElementAssignment = parent.kind === 174 && - parent.expression === root && - parent.parent.kind === 188 && - parent.parent.operatorToken.kind === 57 && - parent.parent.left === parent && - !ts.isAssignmentTarget(parent.parent) && - isTypeAnyOrAllConstituentTypesHaveKind(checkExpression(parent.argumentExpression), 340 | 2048); - return isLengthPushOrUnshift || isElementAssignment; + return type.resolvedBaseConstructorType; } - function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) { - var key; - if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 4178943)) { - return declaredType; - } - var initialType = assumeInitialized ? declaredType : - declaredType === autoType || declaredType === autoArrayType ? undefinedType : - includeFalsyTypes(declaredType, 2048); - var visitedFlowStart = visitedFlowCount; - var evolvedType = getTypeFromFlowType(getTypeAtFlowNode(reference.flowNode)); - visitedFlowCount = visitedFlowStart; - var resultType = isEvolvingArrayType(evolvedType) && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); - if (reference.parent.kind === 197 && getTypeWithFacts(resultType, 524288).flags & 8192) { - return declaredType; - } - return resultType; - function getTypeAtFlowNode(flow) { - while (true) { - if (flow.flags & 1024) { - for (var i = visitedFlowStart; i < visitedFlowCount; i++) { - if (visitedFlowNodes[i] === flow) { - return visitedFlowTypes[i]; - } - } - } - var type = void 0; - if (flow.flags & 16) { - type = getTypeAtFlowAssignment(flow); - if (!type) { - flow = flow.antecedent; - continue; - } - } - else if (flow.flags & 96) { - type = getTypeAtFlowCondition(flow); - } - else if (flow.flags & 128) { - type = getTypeAtSwitchClause(flow); - } - else if (flow.flags & 12) { - if (flow.antecedents.length === 1) { - flow = flow.antecedents[0]; - continue; - } - type = flow.flags & 4 ? - getTypeAtFlowBranchLabel(flow) : - getTypeAtFlowLoopLabel(flow); - } - else if (flow.flags & 256) { - type = getTypeAtFlowArrayMutation(flow); - if (!type) { - flow = flow.antecedent; - continue; - } - } - else if (flow.flags & 2) { - var container = flow.container; - if (container && container !== flowContainer && reference.kind !== 173) { - flow = container.flowNode; - continue; - } - type = initialType; - } - else { - type = convertAutoToAny(declaredType); - } - if (flow.flags & 1024) { - visitedFlowNodes[visitedFlowCount] = flow; - visitedFlowTypes[visitedFlowCount] = type; - visitedFlowCount++; - } - return type; + function getBaseTypes(type) { + if (!type.resolvedBaseTypes) { + if (type.objectFlags & 8) { + type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))]; } - } - function getTypeAtFlowAssignment(flow) { - var node = flow.node; - if (isMatchingReference(reference, node)) { - if (node.parent.kind === 186 || node.parent.kind === 187) { - var flowType = getTypeAtFlowNode(flow.antecedent); - return createFlowType(getBaseTypeOfLiteralType(getTypeFromFlowType(flowType)), isIncomplete(flowType)); - } - if (declaredType === autoType || declaredType === autoArrayType) { - if (isEmptyArrayAssignment(node)) { - return getEvolvingArrayType(neverType); - } - var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(node)); - return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; + else if (type.symbol.flags & (32 | 64)) { + if (type.symbol.flags & 32) { + resolveBaseTypesOfClass(type); } - if (declaredType.flags & 524288) { - return getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)); + if (type.symbol.flags & 64) { + resolveBaseTypesOfInterface(type); } - return declaredType; } - if (containsMatchingReference(reference, node)) { - return declaredType; + else { + ts.Debug.fail("type must be class or interface"); } - return undefined; } - function getTypeAtFlowArrayMutation(flow) { - var node = flow.node; - var expr = node.kind === 175 ? - node.expression.expression : - node.left.expression; - if (isMatchingReference(reference, getReferenceCandidate(expr))) { - var flowType = getTypeAtFlowNode(flow.antecedent); - var type = getTypeFromFlowType(flowType); - if (isEvolvingArrayType(type)) { - var evolvedType_1 = type; - if (node.kind === 175) { - for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { - var arg = _a[_i]; - evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, arg); - } - } - else { - var indexType = checkExpression(node.left.argumentExpression); - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | 2048)) { - evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, node.right); - } - } - return evolvedType_1 === type ? flowType : createFlowType(evolvedType_1, isIncomplete(flowType)); - } - return flowType; - } - return undefined; + return type.resolvedBaseTypes; + } + function resolveBaseTypesOfClass(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + var baseConstructorType = getBaseConstructorTypeOfClass(type); + if (!(baseConstructorType.flags & 32768)) { + return; } - function getTypeAtFlowCondition(flow) { - var flowType = getTypeAtFlowNode(flow.antecedent); - var type = getTypeFromFlowType(flowType); - if (type.flags & 8192) { - return flowType; - } - var assumeTrue = (flow.flags & 32) !== 0; - var nonEvolvingType = finalizeEvolvingArrayType(type); - var narrowedType = narrowType(nonEvolvingType, flow.expression, assumeTrue); - if (narrowedType === nonEvolvingType) { - return flowType; - } - var incomplete = isIncomplete(flowType); - var resultType = incomplete && narrowedType.flags & 8192 ? silentNeverType : narrowedType; - return createFlowType(resultType, incomplete); + var baseTypeNode = getBaseTypeNodeOfClass(type); + var baseType; + var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; + if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && + areAllOuterTypeParametersApplied(originalBaseType)) { + baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); } - function getTypeAtSwitchClause(flow) { - var flowType = getTypeAtFlowNode(flow.antecedent); - var type = getTypeFromFlowType(flowType); - var expr = flow.switchStatement.expression; - if (isMatchingReference(reference, expr)) { - type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd); - } - else if (isMatchingReferenceDiscriminant(expr)) { - type = narrowTypeByDiscriminant(type, expr, function (t) { return narrowTypeBySwitchOnDiscriminant(t, flow.switchStatement, flow.clauseStart, flow.clauseEnd); }); + else { + var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); + if (!constructors.length) { + error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); + return; } - return createFlowType(type, isIncomplete(flowType)); + baseType = getReturnTypeOfSignature(constructors[0]); } - function getTypeAtFlowBranchLabel(flow) { - var antecedentTypes = []; - var subtypeReduction = false; - var seenIncomplete = false; - for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { - var antecedent = _a[_i]; - var flowType = getTypeAtFlowNode(antecedent); - var type = getTypeFromFlowType(flowType); - if (type === declaredType && declaredType === initialType) { - return type; - } - if (!ts.contains(antecedentTypes, type)) { - antecedentTypes.push(type); - } - if (!isTypeSubsetOf(type, declaredType)) { - subtypeReduction = true; - } - if (isIncomplete(flowType)) { - seenIncomplete = true; - } - } - return createFlowType(getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction), seenIncomplete); + if (baseType === unknownType) { + return; } - function getTypeAtFlowLoopLabel(flow) { - var id = getFlowNodeId(flow); - var cache = flowLoopCaches[id] || (flowLoopCaches[id] = ts.createMap()); - if (!key) { - key = getFlowCacheKey(reference); - } - if (cache[key]) { - return cache[key]; - } - for (var i = flowLoopStart; i < flowLoopCount; i++) { - if (flowLoopNodes[i] === flow && flowLoopKeys[i] === key && flowLoopTypes[i].length) { - return createFlowType(getUnionOrEvolvingArrayType(flowLoopTypes[i], false), true); - } - } - var antecedentTypes = []; - var subtypeReduction = false; - var firstAntecedentType; - flowLoopNodes[flowLoopCount] = flow; - flowLoopKeys[flowLoopCount] = key; - flowLoopTypes[flowLoopCount] = antecedentTypes; - for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { - var antecedent = _a[_i]; - flowLoopCount++; - var flowType = getTypeAtFlowNode(antecedent); - flowLoopCount--; - if (!firstAntecedentType) { - firstAntecedentType = flowType; - } - var type = getTypeFromFlowType(flowType); - if (cache[key]) { - return cache[key]; - } - if (!ts.contains(antecedentTypes, type)) { - antecedentTypes.push(type); + if (!(getObjectFlags(getTargetType(baseType)) & 3)) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); + return; + } + if (type === baseType || hasBaseType(baseType, type)) { + error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + return; + } + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + function areAllOuterTypeParametersApplied(type) { + var outerTypeParameters = type.outerTypeParameters; + if (outerTypeParameters) { + var last = outerTypeParameters.length - 1; + var typeArguments = type.typeArguments; + return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + } + return true; + } + function resolveBaseTypesOfInterface(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 223 && ts.getInterfaceBaseTypeNodes(declaration)) { + for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { + var node = _c[_b]; + var baseType = getTypeFromTypeNode(node); + if (baseType !== unknownType) { + if (getObjectFlags(getTargetType(baseType)) & 3) { + if (type !== baseType && !hasBaseType(baseType, type)) { + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + else { + error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + } + } + else { + error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); + } + } } - if (!isTypeSubsetOf(type, declaredType)) { - subtypeReduction = true; + } + } + } + function isIndependentInterface(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 223) { + if (declaration.flags & 64) { + return false; } - if (type === declaredType) { - break; + var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); + if (baseTypeNodes) { + for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { + var node = baseTypeNodes_1[_b]; + if (ts.isEntityNameExpression(node.expression)) { + var baseSymbol = resolveEntityName(node.expression, 793064, true); + if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { + return false; + } + } + } } } - var result = getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction); - if (isIncomplete(firstAntecedentType)) { - return createFlowType(result, true); - } - return cache[key] = result; - } - function isMatchingReferenceDiscriminant(expr) { - return expr.kind === 173 && - declaredType.flags & 524288 && - isMatchingReference(reference, expr.expression) && - isDiscriminantProperty(declaredType, expr.name.text); - } - function narrowTypeByDiscriminant(type, propAccess, narrowType) { - var propName = propAccess.name.text; - var propType = getTypeOfPropertyOfType(type, propName); - var narrowedPropType = propType && narrowType(propType); - return propType === narrowedPropType ? type : filterType(type, function (t) { return isTypeComparableTo(getTypeOfPropertyOfType(t, propName), narrowedPropType); }); } - function narrowTypeByTruthiness(type, expr, assumeTrue) { - if (isMatchingReference(reference, expr)) { - return getTypeWithFacts(type, assumeTrue ? 1048576 : 2097152); - } - if (isMatchingReferenceDiscriminant(expr)) { - return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumeTrue ? 1048576 : 2097152); }); - } - if (containsMatchingReferenceDiscriminant(reference, expr)) { - return declaredType; + return true; + } + function getDeclaredTypeOfClassOrInterface(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var kind = symbol.flags & 32 ? 1 : 2; + var type = links.declaredType = createObjectType(kind, symbol); + var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); + var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (outerTypeParameters || localTypeParameters || kind === 1 || !isIndependentInterface(symbol)) { + type.objectFlags |= 4; + type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); + type.outerTypeParameters = outerTypeParameters; + type.localTypeParameters = localTypeParameters; + type.instantiations = ts.createMap(); + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(16384); + type.thisType.isThisType = true; + type.thisType.symbol = symbol; + type.thisType.constraint = type; } - return type; } - function narrowTypeByBinaryExpression(type, expr, assumeTrue) { - switch (expr.operatorToken.kind) { - case 57: - return narrowTypeByTruthiness(type, expr.left, assumeTrue); - case 31: - case 32: - case 33: - case 34: - var operator_1 = expr.operatorToken.kind; - var left_1 = getReferenceCandidate(expr.left); - var right_1 = getReferenceCandidate(expr.right); - if (left_1.kind === 183 && right_1.kind === 9) { - return narrowTypeByTypeof(type, left_1, operator_1, right_1, assumeTrue); - } - if (right_1.kind === 183 && left_1.kind === 9) { - return narrowTypeByTypeof(type, right_1, operator_1, left_1, assumeTrue); - } - if (isMatchingReference(reference, left_1)) { - return narrowTypeByEquality(type, operator_1, right_1, assumeTrue); - } - if (isMatchingReference(reference, right_1)) { - return narrowTypeByEquality(type, operator_1, left_1, assumeTrue); - } - if (isMatchingReferenceDiscriminant(left_1)) { - return narrowTypeByDiscriminant(type, left_1, function (t) { return narrowTypeByEquality(t, operator_1, right_1, assumeTrue); }); - } - if (isMatchingReferenceDiscriminant(right_1)) { - return narrowTypeByDiscriminant(type, right_1, function (t) { return narrowTypeByEquality(t, operator_1, left_1, assumeTrue); }); - } - if (containsMatchingReferenceDiscriminant(reference, left_1) || containsMatchingReferenceDiscriminant(reference, right_1)) { - return declaredType; - } - break; - case 92: - return narrowTypeByInstanceof(type, expr, assumeTrue); - case 25: - return narrowType(type, expr.right, assumeTrue); + return links.declaredType; + } + function getDeclaredTypeOfTypeAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + if (!pushTypeResolution(symbol, 2)) { + return unknownType; } - return type; - } - function narrowTypeByEquality(type, operator, value, assumeTrue) { - if (type.flags & 1) { - return type; + var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + var declaration = ts.getDeclarationOfKind(symbol, 279); + var type = void 0; + if (declaration) { + if (declaration.jsDocTypeLiteral) { + type = getTypeFromTypeNode(declaration.jsDocTypeLiteral); + } + else { + type = getTypeFromTypeNode(declaration.typeExpression.type); + } } - if (operator === 32 || operator === 34) { - assumeTrue = !assumeTrue; + else { + declaration = ts.getDeclarationOfKind(symbol, 224); + type = getTypeFromTypeNode(declaration.type, symbol, typeParameters); } - var valueType = checkExpression(value); - if (valueType.flags & 6144) { - if (!strictNullChecks) { - return type; + if (popTypeResolution()) { + links.typeParameters = typeParameters; + if (typeParameters) { + links.instantiations = ts.createMap(); + links.instantiations[getTypeListId(links.typeParameters)] = type; } - var doubleEquals = operator === 31 || operator === 32; - var facts = doubleEquals ? - assumeTrue ? 65536 : 524288 : - value.kind === 94 ? - assumeTrue ? 32768 : 262144 : - assumeTrue ? 16384 : 131072; - return getTypeWithFacts(type, facts); - } - if (type.flags & 2589185) { - return type; } - if (assumeTrue) { - var narrowedType = filterType(type, function (t) { return areTypesComparable(t, valueType); }); - return narrowedType.flags & 8192 ? type : replacePrimitivesWithLiterals(narrowedType, valueType); + else { + type = unknownType; + error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); } - if (isUnitType(valueType)) { - var regularType_1 = getRegularTypeOfLiteralType(valueType); - return filterType(type, function (t) { return getRegularTypeOfLiteralType(t) !== regularType_1; }); + links.declaredType = type; + } + return links.declaredType; + } + function isLiteralEnumMember(symbol, member) { + var expr = member.initializer; + if (!expr) { + return !ts.isInAmbientContext(member); + } + return expr.kind === 8 || + expr.kind === 186 && expr.operator === 37 && + expr.operand.kind === 8 || + expr.kind === 70 && !!symbol.exports[expr.text]; + } + function enumHasLiteralMembers(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 225) { + for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { + var member = _c[_b]; + if (!isLiteralEnumMember(symbol, member)) { + return false; + } + } } - return type; } - function narrowTypeByTypeof(type, typeOfExpr, operator, literal, assumeTrue) { - var target = getReferenceCandidate(typeOfExpr.expression); - if (!isMatchingReference(reference, target)) { - if (containsMatchingReference(reference, target)) { - return declaredType; + return true; + } + function createEnumLiteralType(symbol, baseType, text) { + var type = createType(256); + type.symbol = symbol; + type.baseType = baseType; + type.text = text; + return type; + } + function getDeclaredTypeOfEnum(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var enumType = links.declaredType = createType(16); + enumType.symbol = symbol; + if (enumHasLiteralMembers(symbol)) { + var memberTypeList = []; + var memberTypes = ts.createMap(); + for (var _i = 0, _a = enumType.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 225) { + computeEnumMemberValues(declaration); + for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) { + var member = _c[_b]; + var memberSymbol = getSymbolOfNode(member); + var value = getEnumMemberValue(member); + if (!memberTypes[value]) { + var memberType = memberTypes[value] = createEnumLiteralType(memberSymbol, enumType, "" + value); + memberTypeList.push(memberType); + } + } + } + } + enumType.memberTypes = memberTypes; + if (memberTypeList.length > 1) { + enumType.flags |= 65536; + enumType.types = memberTypeList; + unionTypes[getTypeListId(memberTypeList)] = enumType; } - return type; } - if (operator === 32 || operator === 34) { - assumeTrue = !assumeTrue; + } + return links.declaredType; + } + function getDeclaredTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); + links.declaredType = enumType.flags & 65536 ? + enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] : + enumType; + } + return links.declaredType; + } + function getDeclaredTypeOfTypeParameter(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(16384); + type.symbol = symbol; + if (!ts.getDeclarationOfKind(symbol, 142).constraint) { + type.constraint = noConstraintType; } - if (assumeTrue && !(type.flags & 524288)) { - var targetType = typeofTypesByName[literal.text]; - if (targetType && isTypeSubtypeOf(targetType, type)) { - return targetType; + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); + } + return links.declaredType; + } + function getDeclaredTypeOfSymbol(symbol) { + ts.Debug.assert((symbol.flags & 16777216) === 0); + if (symbol.flags & (32 | 64)) { + return getDeclaredTypeOfClassOrInterface(symbol); + } + if (symbol.flags & 524288) { + return getDeclaredTypeOfTypeAlias(symbol); + } + if (symbol.flags & 262144) { + return getDeclaredTypeOfTypeParameter(symbol); + } + if (symbol.flags & 384) { + return getDeclaredTypeOfEnum(symbol); + } + if (symbol.flags & 8) { + return getDeclaredTypeOfEnumMember(symbol); + } + if (symbol.flags & 8388608) { + return getDeclaredTypeOfAlias(symbol); + } + return unknownType; + } + function isIndependentTypeReference(node) { + if (node.typeArguments) { + for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { + var typeNode = _a[_i]; + if (!isIndependentType(typeNode)) { + return false; } } - var facts = assumeTrue ? - typeofEQFacts[literal.text] || 64 : - typeofNEFacts[literal.text] || 8192; - return getTypeWithFacts(type, facts); } - function narrowTypeBySwitchOnDiscriminant(type, switchStatement, clauseStart, clauseEnd) { - var switchTypes = getSwitchClauseTypes(switchStatement); - if (!switchTypes.length) { - return type; - } - var clauseTypes = switchTypes.slice(clauseStart, clauseEnd); - var hasDefaultClause = clauseStart === clauseEnd || ts.contains(clauseTypes, neverType); - var discriminantType = getUnionType(clauseTypes); - var caseType = discriminantType.flags & 8192 ? neverType : - replacePrimitivesWithLiterals(filterType(type, function (t) { return isTypeComparableTo(discriminantType, t); }), discriminantType); - if (!hasDefaultClause) { - return caseType; + return true; + } + function isIndependentType(node) { + switch (node.kind) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 104: + case 136: + case 94: + case 128: + case 167: + return true; + case 161: + return isIndependentType(node.elementType); + case 156: + return isIndependentTypeReference(node); + } + return false; + } + function isIndependentVariableLikeDeclaration(node) { + return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + } + function isIndependentFunctionLikeDeclaration(node) { + if (node.kind !== 149 && (!node.type || !isIndependentType(node.type))) { + return false; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (!isIndependentVariableLikeDeclaration(parameter)) { + return false; } - var defaultType = filterType(type, function (t) { return !(isUnitType(t) && ts.contains(switchTypes, getRegularTypeOfLiteralType(t))); }); - return caseType.flags & 8192 ? defaultType : getUnionType([caseType, defaultType]); } - function narrowTypeByInstanceof(type, expr, assumeTrue) { - var left = getReferenceCandidate(expr.left); - if (!isMatchingReference(reference, left)) { - if (containsMatchingReference(reference, left)) { - return declaredType; + return true; + } + function isIndependentMember(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + var declaration = symbol.declarations[0]; + if (declaration) { + switch (declaration.kind) { + case 146: + case 145: + return isIndependentVariableLikeDeclaration(declaration); + case 148: + case 147: + case 149: + return isIndependentFunctionLikeDeclaration(declaration); } - return type; } - var rightType = checkExpression(expr.right); - if (!isTypeSubtypeOf(rightType, globalFunctionType)) { - return type; + } + return false; + } + function createSymbolTable(symbols) { + var result = ts.createMap(); + for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { + var symbol = symbols_1[_i]; + result[symbol.name] = symbol; + } + return result; + } + function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { + var result = ts.createMap(); + for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { + var symbol = symbols_2[_i]; + result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); + } + return result; + } + function addInheritedMembers(symbols, baseSymbols) { + for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { + var s = baseSymbols_1[_i]; + if (!symbols[s.name]) { + symbols[s.name] = s; } - var targetType; - var prototypeProperty = getPropertyOfType(rightType, "prototype"); - if (prototypeProperty) { - var prototypePropertyType = getTypeOfSymbol(prototypeProperty); - if (!isTypeAny(prototypePropertyType)) { - targetType = prototypePropertyType; - } + } + } + function resolveDeclaredMembers(type) { + if (!type.declaredProperties) { + var symbol = type.symbol; + type.declaredProperties = getNamedMembers(symbol.members); + type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); + type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); + type.declaredStringIndexInfo = getIndexInfoOfSymbol(symbol, 0); + type.declaredNumberIndexInfo = getIndexInfoOfSymbol(symbol, 1); + } + return type; + } + function getTypeWithThisArgument(type, thisArgument) { + if (getObjectFlags(type) & 4) { + return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + } + return type; + } + function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { + var mapper; + var members; + var callSignatures; + var constructSignatures; + var stringIndexInfo; + var numberIndexInfo; + if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { + mapper = identityMapper; + members = source.symbol ? source.symbol.members : createSymbolTable(source.declaredProperties); + callSignatures = source.declaredCallSignatures; + constructSignatures = source.declaredConstructSignatures; + stringIndexInfo = source.declaredStringIndexInfo; + numberIndexInfo = source.declaredNumberIndexInfo; + } + else { + mapper = createTypeMapper(typeParameters, typeArguments); + members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); + callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); + constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); + stringIndexInfo = instantiateIndexInfo(source.declaredStringIndexInfo, mapper); + numberIndexInfo = instantiateIndexInfo(source.declaredNumberIndexInfo, mapper); + } + var baseTypes = getBaseTypes(source); + if (baseTypes.length) { + if (source.symbol && members === source.symbol.members) { + members = createSymbolTable(source.declaredProperties); } - if (isTypeAny(type) && (targetType === globalObjectType || targetType === globalFunctionType)) { - return type; + var thisArgument = ts.lastOrUndefined(typeArguments); + for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { + var baseType = baseTypes_1[_i]; + var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; + addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); + stringIndexInfo = stringIndexInfo || getIndexInfoOfType(instantiatedBaseType, 0); + numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1); } - if (!targetType) { - var constructSignatures = void 0; - if (rightType.flags & 65536) { - constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; - } - else if (rightType.flags & 2097152) { - constructSignatures = getSignaturesOfType(rightType, 1); - } - if (constructSignatures && constructSignatures.length) { - targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); - } + } + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function resolveClassOrInterfaceMembers(type) { + resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); + } + function resolveTypeReferenceMembers(type) { + var source = resolveDeclaredMembers(type.target); + var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); + var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? + type.typeArguments : ts.concatenate(type.typeArguments, [type]); + resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + } + function createSignature(declaration, typeParameters, thisParameter, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasLiteralTypes) { + var sig = new Signature(checker); + sig.declaration = declaration; + sig.typeParameters = typeParameters; + sig.parameters = parameters; + sig.thisParameter = thisParameter; + sig.resolvedReturnType = resolvedReturnType; + sig.typePredicate = typePredicate; + sig.minArgumentCount = minArgumentCount; + sig.hasRestParameter = hasRestParameter; + sig.hasLiteralTypes = hasLiteralTypes; + return sig; + } + function cloneSignature(sig) { + return createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasLiteralTypes); + } + function getDefaultConstructSignatures(classType) { + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + var baseSignatures = getSignaturesOfType(baseConstructorType, 1); + if (baseSignatures.length === 0) { + return [createSignature(undefined, classType.localTypeParameters, undefined, emptyArray, classType, undefined, 0, false, false)]; + } + var baseTypeNode = getBaseTypeNodeOfClass(classType); + var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNodeNoAlias); + var typeArgCount = typeArguments ? typeArguments.length : 0; + var result = []; + for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { + var baseSig = baseSignatures_1[_i]; + var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; + if (typeParamCount === typeArgCount) { + var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); + sig.typeParameters = classType.localTypeParameters; + sig.resolvedReturnType = classType; + result.push(sig); } - if (targetType) { - return getNarrowedType(type, targetType, assumeTrue); + } + return result; + } + function findMatchingSignature(signatureList, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes) { + for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { + var s = signatureList_1[_i]; + if (compareSignaturesIdentical(s, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypesIdentical)) { + return s; } - return type; } - function getNarrowedType(type, candidate, assumeTrue) { - if (!assumeTrue) { - return filterType(type, function (t) { return !isTypeInstanceOf(t, candidate); }); + } + function findMatchingSignatures(signatureLists, signature, listIndex) { + if (signature.typeParameters) { + if (listIndex > 0) { + return undefined; } - if (type.flags & 524288) { - var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); }); - if (!(assignableType.flags & 8192)) { - return assignableType; + for (var i = 1; i < signatureLists.length; i++) { + if (!findMatchingSignature(signatureLists[i], signature, false, false, false)) { + return undefined; } } - var targetType = type.flags & 16384 ? getApparentType(type) : type; - return isTypeSubtypeOf(candidate, type) ? candidate : - isTypeAssignableTo(type, candidate) ? type : - isTypeAssignableTo(candidate, targetType) ? candidate : - getIntersectionType([type, candidate]); + return [signature]; } - function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { - if (!hasMatchingArgument(callExpression, reference)) { - return type; - } - var signature = getResolvedSignature(callExpression); - var predicate = signature.typePredicate; - if (!predicate) { - return type; - } - if (isTypeAny(type) && (predicate.type === globalObjectType || predicate.type === globalFunctionType)) { - return type; + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true, true); + if (!match) { + return undefined; } - if (ts.isIdentifierTypePredicate(predicate)) { - var predicateArgument = callExpression.arguments[predicate.parameterIndex]; - if (predicateArgument) { - if (isMatchingReference(reference, predicateArgument)) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - if (containsMatchingReference(reference, predicateArgument)) { - return declaredType; - } - } + if (!ts.contains(result, match)) { + (result || (result = [])).push(match); } - else { - var invokedExpression = skipParenthesizedNodes(callExpression.expression); - if (invokedExpression.kind === 174 || invokedExpression.kind === 173) { - var accessExpression = invokedExpression; - var possibleReference = skipParenthesizedNodes(accessExpression.expression); - if (isMatchingReference(reference, possibleReference)) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - if (containsMatchingReference(reference, possibleReference)) { - return declaredType; + } + return result; + } + function getUnionSignatures(types, kind) { + var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { + var signature = _a[_i]; + if (!result || !findMatchingSignature(result, signature, false, true, true)) { + var unionSignatures = findMatchingSignatures(signatureLists, signature, i); + if (unionSignatures) { + var s = signature; + if (unionSignatures.length > 1) { + s = cloneSignature(signature); + if (ts.forEach(unionSignatures, function (sig) { return sig.thisParameter; })) { + var thisType = getUnionType(ts.map(unionSignatures, function (sig) { return getTypeOfSymbol(sig.thisParameter) || anyType; }), true); + s.thisParameter = createTransientSymbol(signature.thisParameter, thisType); + } + s.resolvedReturnType = undefined; + s.unionSignatures = unionSignatures; + } + (result || (result = [])).push(s); } } } - return type; } - function narrowType(type, expr, assumeTrue) { - switch (expr.kind) { - case 70: - case 98: - case 173: - return narrowTypeByTruthiness(type, expr, assumeTrue); - case 175: - return narrowTypeByTypePredicate(type, expr, assumeTrue); - case 179: - return narrowType(type, expr.expression, assumeTrue); - case 188: - return narrowTypeByBinaryExpression(type, expr, assumeTrue); - case 186: - if (expr.operator === 50) { - return narrowType(type, expr.operand, !assumeTrue); - } - break; + return result || emptyArray; + } + function getUnionIndexInfo(types, kind) { + var indexTypes = []; + var isAnyReadonly = false; + for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { + var type = types_1[_i]; + var indexInfo = getIndexInfoOfType(type, kind); + if (!indexInfo) { + return undefined; } - return type; + indexTypes.push(indexInfo.type); + isAnyReadonly = isAnyReadonly || indexInfo.isReadonly; } + return createIndexInfo(getUnionType(indexTypes, true), isAnyReadonly); } - function getTypeOfSymbolAtLocation(symbol, location) { - if (location.kind === 70) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) { - location = location.parent; + function resolveUnionTypeMembers(type) { + var callSignatures = getUnionSignatures(type.types, 0); + var constructSignatures = getUnionSignatures(type.types, 1); + var stringIndexInfo = getUnionIndexInfo(type.types, 0); + var numberIndexInfo = getUnionIndexInfo(type.types, 1); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function intersectTypes(type1, type2) { + return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + } + function intersectIndexInfos(info1, info2) { + return !info1 ? info2 : !info2 ? info1 : createIndexInfo(getIntersectionType([info1.type, info2.type]), info1.isReadonly && info2.isReadonly); + } + function resolveIntersectionTypeMembers(type) { + var callSignatures = emptyArray; + var constructSignatures = emptyArray; + var stringIndexInfo = undefined; + var numberIndexInfo = undefined; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); + stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0)); + numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1)); + } + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + function resolveAnonymousTypeMembers(type) { + var symbol = type.symbol; + if (type.target) { + var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); + var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); + var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); + var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0), type.mapper); + var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1), type.mapper); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + else if (symbol.flags & 2048) { + var members = symbol.members; + var callSignatures = getSignaturesOfSymbol(members["__call"]); + var constructSignatures = getSignaturesOfSymbol(members["__new"]); + var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0); + var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + } + else { + var members = emptySymbols; + var constructSignatures = emptyArray; + if (symbol.flags & 1952) { + members = getExportsOfSymbol(symbol); } - if (ts.isPartOfExpression(location) && !ts.isAssignmentTarget(location)) { - var type = checkExpression(location); - if (getExportSymbolOfValueSymbolIfExported(getNodeLinks(location).resolvedSymbol) === symbol) { - return type; + if (symbol.flags & 32) { + var classType = getDeclaredTypeOfClassOrInterface(symbol); + constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); + if (!constructSignatures.length) { + constructSignatures = getDefaultConstructSignatures(classType); + } + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + if (baseConstructorType.flags & 32768) { + members = createSymbolTable(getNamedMembers(members)); + addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); } } + var numberIndexInfo = symbol.flags & 384 ? enumNumberIndexInfo : undefined; + setStructuredTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); + if (symbol.flags & (16 | 8192)) { + type.callSignatures = getSignaturesOfSymbol(symbol); + } } - return getTypeOfSymbol(symbol); } - function skipParenthesizedNodes(expression) { - while (expression.kind === 179) { - expression = expression.expression; + function resolveStructuredTypeMembers(type) { + if (!type.members) { + if (type.flags & 32768) { + if (type.objectFlags & 4) { + resolveTypeReferenceMembers(type); + } + else if (type.objectFlags & 3) { + resolveClassOrInterfaceMembers(type); + } + else if (type.objectFlags & 16) { + resolveAnonymousTypeMembers(type); + } + } + else if (type.flags & 65536) { + resolveUnionTypeMembers(type); + } + else if (type.flags & 131072) { + resolveIntersectionTypeMembers(type); + } } - return expression; + return type; } - function getControlFlowContainer(node) { - while (true) { - node = node.parent; - if (ts.isFunctionLike(node) && !ts.getImmediatelyInvokedFunctionExpression(node) || - node.kind === 227 || - node.kind === 256 || - node.kind === 146) { - return node; - } + function getPropertiesOfObjectType(type) { + if (type.flags & 32768) { + return resolveStructuredTypeMembers(type).properties; } + return emptyArray; } - function isParameterAssigned(symbol) { - var func = ts.getRootDeclaration(symbol.valueDeclaration).parent; - var links = getNodeLinks(func); - if (!(links.flags & 4194304)) { - links.flags |= 4194304; - if (!hasParentWithAssignmentsMarked(func)) { - markParameterAssignments(func); + function getPropertyOfObjectType(type, name) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + var symbol = resolved.members[name]; + if (symbol && symbolIsValue(symbol)) { + return symbol; } } - return symbol.isAssigned || false; } - function hasParentWithAssignmentsMarked(node) { - while (true) { - node = node.parent; - if (!node) { - return false; + function getPropertiesOfUnionOrIntersectionType(type) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var current = _a[_i]; + for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { + var prop = _c[_b]; + getUnionOrIntersectionProperty(type, prop.name); } - if (ts.isFunctionLike(node) && getNodeLinks(node).flags & 4194304) { - return true; + if (type.flags & 65536) { + break; } } - } - function markParameterAssignments(node) { - if (node.kind === 70) { - if (ts.isAssignmentTarget(node)) { - var symbol = getResolvedSymbol(node); - if (symbol.valueDeclaration && ts.getRootDeclaration(symbol.valueDeclaration).kind === 143) { - symbol.isAssigned = true; + var props = type.resolvedProperties; + if (props) { + var result = []; + for (var key in props) { + var prop = props[key]; + if (!(prop.flags & 268435456 && prop.isPartial)) { + result.push(prop); } } + return result; } - else { - ts.forEachChild(node, markParameterAssignments); - } + return emptyArray; } - function isConstVariable(symbol) { - return symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 && getTypeOfSymbol(symbol) !== autoArrayType; + function getPropertiesOfType(type) { + type = getApparentType(type); + return type.flags & 196608 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); } - function checkIdentifier(node) { - var symbol = getResolvedSymbol(node); - if (symbol === argumentsSymbol) { - var container = ts.getContainingFunction(node); - if (languageVersion < 2) { - if (container.kind === 181) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); - } - else if (ts.hasModifier(container, 256)) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method); - } - } - if (node.flags & 262144) { - getNodeLinks(container).flags |= 8192; + function getApparentTypeOfTypeParameter(type) { + if (!type.resolvedApparentType) { + var constraintType = getConstraintOfTypeParameter(type); + while (constraintType && constraintType.flags & 16384) { + constraintType = getConstraintOfTypeParameter(constraintType); } + type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); } - if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { - markAliasSymbolAsReferenced(symbol); + return type.resolvedApparentType; + } + function getApparentType(type) { + if (type.flags & 16384) { + type = getApparentTypeOfTypeParameter(type); } - var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); - if (localOrExportSymbol.flags & 32) { - var declaration_1 = localOrExportSymbol.valueDeclaration; - if (languageVersion === 2 - && declaration_1.kind === 222 - && ts.nodeIsDecorated(declaration_1)) { - var container = ts.getContainingClass(node); - while (container !== undefined) { - if (container === declaration_1 && container.name !== node) { - getNodeLinks(declaration_1).flags |= 8388608; - getNodeLinks(node).flags |= 16777216; - break; + if (type.flags & 34) { + type = globalStringType; + } + else if (type.flags & 340) { + type = globalNumberType; + } + else if (type.flags & 136) { + type = globalBooleanType; + } + else if (type.flags & 512) { + type = getGlobalESSymbolType(); + } + return type; + } + function createUnionOrIntersectionProperty(containingType, name) { + var types = containingType.types; + var props; + var commonFlags = (containingType.flags & 131072) ? 536870912 : 0; + var isReadonly = false; + var isPartial = false; + for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { + var current = types_2[_i]; + var type = getApparentType(current); + if (type !== unknownType) { + var prop = getPropertyOfType(type, name); + if (prop && !(getDeclarationModifierFlagsFromSymbol(prop) & (8 | 16))) { + commonFlags &= prop.flags; + if (!props) { + props = [prop]; } - container = ts.getContainingClass(container); - } - } - else if (declaration_1.kind === 193) { - var container = ts.getThisContainer(node, false); - while (container !== undefined) { - if (container.parent === declaration_1) { - if (container.kind === 146 && ts.hasModifier(container, 32)) { - getNodeLinks(declaration_1).flags |= 8388608; - getNodeLinks(node).flags |= 16777216; - } - break; + else if (!ts.contains(props, prop)) { + props.push(prop); + } + if (isReadonlySymbol(prop)) { + isReadonly = true; } - container = ts.getThisContainer(container, false); + } + else if (containingType.flags & 65536) { + isPartial = true; } } } - checkCollisionWithCapturedSuperVariable(node, node); - checkCollisionWithCapturedThisVariable(node, node); - checkNestedBlockScopedBinding(node, symbol); - var type = getTypeOfSymbol(localOrExportSymbol); - var declaration = localOrExportSymbol.valueDeclaration; - if (!(localOrExportSymbol.flags & 3) || ts.isAssignmentTarget(node) || !declaration) { - return type; + if (!props) { + return undefined; } - var isParameter = ts.getRootDeclaration(declaration).kind === 143; - var declarationContainer = getControlFlowContainer(declaration); - var flowContainer = getControlFlowContainer(node); - var isOuterVariable = flowContainer !== declarationContainer; - while (flowContainer !== declarationContainer && (flowContainer.kind === 180 || - flowContainer.kind === 181 || ts.isObjectLiteralOrClassExpressionMethod(flowContainer)) && - (isConstVariable(localOrExportSymbol) || isParameter && !isParameterAssigned(localOrExportSymbol))) { - flowContainer = getControlFlowContainer(flowContainer); + if (props.length === 1 && !isPartial) { + return props[0]; } - var assumeInitialized = isParameter || isOuterVariable || - type !== autoType && type !== autoArrayType && (!strictNullChecks || (type.flags & 1) !== 0) || - ts.isInAmbientContext(declaration); - var flowType = getFlowTypeOfReference(node, type, assumeInitialized, flowContainer); - if (type === autoType || type === autoArrayType) { - if (flowType === autoType || flowType === autoArrayType) { - if (compilerOptions.noImplicitAny) { - error(declaration.name, ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined, symbolToString(symbol), typeToString(flowType)); - error(node, ts.Diagnostics.Variable_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType)); - } - return convertAutoToAny(flowType); + var propTypes = []; + var declarations = []; + var commonType = undefined; + var hasNonUniformType = false; + for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { + var prop = props_1[_a]; + if (prop.declarations) { + ts.addRange(declarations, prop.declarations); + } + var type = getTypeOfSymbol(prop); + if (!commonType) { + commonType = type; } + else if (type !== commonType) { + hasNonUniformType = true; + } + propTypes.push(type); } - else if (!assumeInitialized && !(getFalsyFlags(type) & 2048) && getFalsyFlags(flowType) & 2048) { - error(node, ts.Diagnostics.Variable_0_is_used_before_being_assigned, symbolToString(symbol)); - return type; + var result = createSymbol(4 | 67108864 | 268435456 | commonFlags, name); + result.containingType = containingType; + result.hasNonUniformType = hasNonUniformType; + result.isPartial = isPartial; + result.declarations = declarations; + result.isReadonly = isReadonly; + result.type = containingType.flags & 65536 ? getUnionType(propTypes) : getIntersectionType(propTypes); + return result; + } + function getUnionOrIntersectionProperty(type, name) { + var properties = type.resolvedProperties || (type.resolvedProperties = ts.createMap()); + var property = properties[name]; + if (!property) { + property = createUnionOrIntersectionProperty(type, name); + if (property) { + properties[name] = property; + } } - return flowType; + return property; } - function isInsideFunction(node, threshold) { - var current = node; - while (current && current !== threshold) { - if (ts.isFunctionLike(current)) { - return true; + function getPropertyOfUnionOrIntersectionType(type, name) { + var property = getUnionOrIntersectionProperty(type, name); + return property && !(property.flags & 268435456 && property.isPartial) ? property : undefined; + } + function getPropertyOfType(type, name) { + type = getApparentType(type); + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + var symbol = resolved.members[name]; + if (symbol && symbolIsValue(symbol)) { + return symbol; } - current = current.parent; + if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { + var symbol_1 = getPropertyOfObjectType(globalFunctionType, name); + if (symbol_1) { + return symbol_1; + } + } + return getPropertyOfObjectType(globalObjectType, name); } - return false; + if (type.flags & 196608) { + return getPropertyOfUnionOrIntersectionType(type, name); + } + return undefined; } - function checkNestedBlockScopedBinding(node, symbol) { - if (languageVersion >= 2 || - (symbol.flags & (2 | 32)) === 0 || - symbol.valueDeclaration.parent.kind === 252) { - return; + function getSignaturesOfStructuredType(type, kind) { + if (type.flags & 229376) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; } - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - var usedInFunction = isInsideFunction(node.parent, container); - var current = container; - var containedInIterationStatement = false; - while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { - if (ts.isIterationStatement(current, false)) { - containedInIterationStatement = true; - break; + return emptyArray; + } + function getSignaturesOfType(type, kind) { + return getSignaturesOfStructuredType(getApparentType(type), kind); + } + function getIndexInfoOfStructuredType(type, kind) { + if (type.flags & 229376) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.stringIndexInfo : resolved.numberIndexInfo; + } + } + function getIndexTypeOfStructuredType(type, kind) { + var info = getIndexInfoOfStructuredType(type, kind); + return info && info.type; + } + function getIndexInfoOfType(type, kind) { + return getIndexInfoOfStructuredType(getApparentType(type), kind); + } + function getIndexTypeOfType(type, kind) { + return getIndexTypeOfStructuredType(getApparentType(type), kind); + } + function getImplicitIndexTypeOfType(type, kind) { + if (isObjectLiteralType(type)) { + var propTypes = []; + for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) { + var prop = _a[_i]; + if (kind === 0 || isNumericLiteralName(prop.name)) { + propTypes.push(getTypeOfSymbol(prop)); + } + } + if (propTypes.length) { + return getUnionType(propTypes, true); } - current = current.parent; } - if (containedInIterationStatement) { - if (usedInFunction) { - getNodeLinks(current).flags |= 65536; + return undefined; + } + function getTypeParametersFromJSDocTemplate(declaration) { + if (declaration.flags & 1048576) { + var templateTag = ts.getJSDocTemplateTag(declaration); + if (templateTag) { + return getTypeParametersFromDeclaration(templateTag.typeParameters); + } + } + return undefined; + } + function getTypeParametersFromDeclaration(typeParameterDeclarations) { + var result = []; + ts.forEach(typeParameterDeclarations, function (node) { + var tp = getDeclaredTypeOfTypeParameter(node.symbol); + if (!ts.contains(result, tp)) { + result.push(tp); } - if (container.kind === 207 && - ts.getAncestor(symbol.valueDeclaration, 220).parent === container && - isAssignedInBodyOfForStatement(node, container)) { - getNodeLinks(symbol.valueDeclaration).flags |= 2097152; + }); + return result; + } + function symbolsToArray(symbols) { + var result = []; + for (var id in symbols) { + if (!isReservedMemberName(id)) { + result.push(symbols[id]); } - getNodeLinks(symbol.valueDeclaration).flags |= 262144; - } - if (usedInFunction) { - getNodeLinks(symbol.valueDeclaration).flags |= 131072; } + return result; } - function isAssignedInBodyOfForStatement(node, container) { - var current = node; - while (current.parent.kind === 179) { - current = current.parent; - } - var isAssigned = false; - if (ts.isAssignmentTarget(current)) { - isAssigned = true; - } - else if ((current.parent.kind === 186 || current.parent.kind === 187)) { - var expr = current.parent; - isAssigned = expr.operator === 42 || expr.operator === 43; - } - if (!isAssigned) { - return false; - } - while (current !== container) { - if (current === container.statement) { + function isJSDocOptionalParameter(node) { + if (node.flags & 1048576) { + if (node.type && node.type.kind === 268) { return true; } - else { - current = current.parent; + var paramTag = ts.getCorrespondingJSDocParameterTag(node); + if (paramTag) { + if (paramTag.isBracketed) { + return true; + } + if (paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 268; + } } } - return false; } - function captureLexicalThis(node, container) { - getNodeLinks(node).flags |= 2; - if (container.kind === 146 || container.kind === 149) { - var classNode = container.parent; - getNodeLinks(classNode).flags |= 4; + function isOptionalParameter(node) { + if (ts.hasQuestionToken(node) || isJSDocOptionalParameter(node)) { + return true; } - else { - getNodeLinks(container).flags |= 4; + if (node.initializer) { + var signatureDeclaration = node.parent; + var signature = getSignatureFromDeclaration(signatureDeclaration); + var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); + ts.Debug.assert(parameterIndex >= 0); + return parameterIndex >= signature.minArgumentCount; } + return false; } - function findFirstSuperCall(n) { - if (ts.isSuperCall(n)) { - return n; - } - else if (ts.isFunctionLike(n)) { - return undefined; + function createTypePredicateFromTypePredicateNode(node) { + if (node.parameterName.kind === 70) { + var parameterName = node.parameterName; + return { + kind: 1, + parameterName: parameterName ? parameterName.text : undefined, + parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, + type: getTypeFromTypeNode(node.type) + }; } - return ts.forEachChild(n, findFirstSuperCall); - } - function getSuperCallInConstructor(constructor) { - var links = getNodeLinks(constructor); - if (links.hasSuperCall === undefined) { - links.superCall = findFirstSuperCall(constructor.body); - links.hasSuperCall = links.superCall ? true : false; + else { + return { + kind: 0, + type: getTypeFromTypeNode(node.type) + }; } - return links.superCall; - } - function classDeclarationExtendsNull(classDecl) { - var classSymbol = getSymbolOfNode(classDecl); - var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); - var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); - return baseConstructorType === nullWideningType; } - function checkThisExpression(node) { - var container = ts.getThisContainer(node, true); - var needToCaptureLexicalThis = false; - if (container.kind === 149) { - var containingClassDecl = container.parent; - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); - if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { - var superCall = getSuperCallInConstructor(container); - if (!superCall || superCall.end > node.pos) { - error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); + function getSignatureFromDeclaration(declaration) { + var links = getNodeLinks(declaration); + if (!links.resolvedSignature) { + var parameters = []; + var hasLiteralTypes = false; + var minArgumentCount = -1; + var thisParameter = undefined; + var hasThisParameter = void 0; + var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); + for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { + var param = declaration.parameters[i]; + var paramSymbol = param.symbol; + if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { + var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); + paramSymbol = resolvedSymbol; } - } - } - if (container.kind === 181) { - container = ts.getThisContainer(container, false); - needToCaptureLexicalThis = (languageVersion < 2); - } - switch (container.kind) { - case 226: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); - break; - case 225: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - break; - case 149: - if (isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + if (i === 0 && paramSymbol.name === "this") { + hasThisParameter = true; + thisParameter = param.symbol; } - break; - case 146: - case 145: - if (ts.getModifierFlags(container) & 32) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + else { + parameters.push(paramSymbol); } - break; - case 141: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); - break; - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node, container); - } - if (ts.isFunctionLike(container) && - (!isInParameterInitializerBeforeContainingFunction(node) || ts.getThisParameter(container))) { - if (container.kind === 180 && - ts.isInJavaScriptFile(container.parent) && - ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { - var className = container.parent - .left - .expression - .expression; - var classSymbol = checkExpression(className).symbol; - if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { - return getInferredClassType(classSymbol); + if (param.type && param.type.kind === 167) { + hasLiteralTypes = true; + } + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + if (minArgumentCount < 0) { + minArgumentCount = i - (hasThisParameter ? 1 : 0); + } + } + else { + minArgumentCount = -1; } } - var thisType = getThisTypeOfDeclaration(container) || getContextualThisParameterType(container); - if (thisType) { - return thisType; + if ((declaration.kind === 150 || declaration.kind === 151) && + !ts.hasDynamicName(declaration) && + (!hasThisParameter || !thisParameter)) { + var otherKind = declaration.kind === 150 ? 151 : 150; + var other = ts.getDeclarationOfKind(declaration.symbol, otherKind); + if (other) { + thisParameter = getAnnotatedAccessorThisParameter(other); + } } + if (minArgumentCount < 0) { + minArgumentCount = declaration.parameters.length - (hasThisParameter ? 1 : 0); + } + if (isJSConstructSignature) { + minArgumentCount--; + } + var classType = declaration.kind === 149 ? + getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) + : undefined; + var typeParameters = classType ? classType.localTypeParameters : + declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : + getTypeParametersFromJSDocTemplate(declaration); + var returnType = getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType); + var typePredicate = declaration.type && declaration.type.kind === 155 ? + createTypePredicateFromTypePredicateNode(declaration.type) : + undefined; + links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasLiteralTypes); } - if (ts.isClassLike(container.parent)) { - var symbol = getSymbolOfNode(container.parent); - var type = ts.hasModifier(container, 32) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; - return getFlowTypeOfReference(node, type, true, undefined); + return links.resolvedSignature; + } + function getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType) { + if (isJSConstructSignature) { + return getTypeFromTypeNode(declaration.parameters[0].type); } - if (ts.isInJavaScriptFile(node)) { - var type = getTypeForThisExpressionFromJSDoc(container); + else if (classType) { + return classType; + } + else if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.flags & 1048576) { + var type = getReturnTypeFromJSDocComment(declaration); if (type && type !== unknownType) { return type; } } - if (compilerOptions.noImplicitThis) { - error(node, ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation); + if (declaration.kind === 150 && !ts.hasDynamicName(declaration)) { + var setter = ts.getDeclarationOfKind(declaration.symbol, 151); + return getAnnotatedAccessorType(setter); + } + if (ts.nodeIsMissing(declaration.body)) { + return anyType; } - return anyType; } - function getTypeForThisExpressionFromJSDoc(node) { - var typeTag = ts.getJSDocTypeTag(node); - if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 269) { - var jsDocFunctionType = typeTag.typeExpression.type; - if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 272) { - return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + function getSignaturesOfSymbol(symbol) { + if (!symbol) + return emptyArray; + var result = []; + for (var i = 0, len = symbol.declarations.length; i < len; i++) { + var node = symbol.declarations[i]; + switch (node.kind) { + case 157: + case 158: + case 221: + case 148: + case 147: + case 149: + case 152: + case 153: + case 154: + case 150: + case 151: + case 180: + case 181: + case 269: + if (i > 0 && node.body) { + var previous = symbol.declarations[i - 1]; + if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { + break; + } + } + result.push(getSignatureFromDeclaration(node)); } } + return result; } - function isInConstructorArgumentInitializer(node, constructorDecl) { - for (var n = node; n && n !== constructorDecl; n = n.parent) { - if (n.kind === 143) { - return true; + function resolveExternalModuleTypeByLiteral(name) { + var moduleSym = resolveExternalModuleName(name, name); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + return getTypeOfSymbol(resolvedModuleSymbol); } } - return false; + return anyType; } - function checkSuperExpression(node) { - var isCallExpression = node.parent.kind === 175 && node.parent.expression === node; - var container = ts.getSuperContainer(node, true); - var needToCaptureLexicalThis = false; - if (!isCallExpression) { - while (container && container.kind === 181) { - container = ts.getSuperContainer(container, true); - needToCaptureLexicalThis = languageVersion < 2; - } + function getThisTypeOfSignature(signature) { + if (signature.thisParameter) { + return getTypeOfSymbol(signature.thisParameter); } - var canUseSuperExpression = isLegalUsageOfSuperExpression(container); - var nodeCheckFlag = 0; - if (!canUseSuperExpression) { - var current = node; - while (current && current !== container && current.kind !== 141) { - current = current.parent; - } - if (current && current.kind === 141) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + function getReturnTypeOfSignature(signature) { + if (!signature.resolvedReturnType) { + if (!pushTypeResolution(signature, 3)) { + return unknownType; } - else if (isCallExpression) { - error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + var type = void 0; + if (signature.target) { + type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); } - else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 172)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + else if (signature.unionSignatures) { + type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature), true); } else { - error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); - } - return unknownType; - } - if ((ts.getModifierFlags(container) & 32) || isCallExpression) { - nodeCheckFlag = 512; - } - else { - nodeCheckFlag = 256; - } - getNodeLinks(node).flags |= nodeCheckFlag; - if (container.kind === 148 && ts.getModifierFlags(container) & 256) { - if (ts.isSuperProperty(node.parent) && ts.isAssignmentTarget(node.parent)) { - getNodeLinks(container).flags |= 4096; + type = getReturnTypeFromBody(signature.declaration); } - else { - getNodeLinks(container).flags |= 2048; + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var declaration = signature.declaration; + if (declaration.name) { + error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); + } + else { + error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); + } + } } + signature.resolvedReturnType = type; } - if (needToCaptureLexicalThis) { - captureLexicalThis(node.parent, container); - } - if (container.parent.kind === 172) { - if (languageVersion < 2) { - error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); - return unknownType; - } - else { - return anyType; + return signature.resolvedReturnType; + } + function getRestTypeOfSignature(signature) { + if (signature.hasRestParameter) { + var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); + if (getObjectFlags(type) & 4 && type.target === globalArrayType) { + return type.typeArguments[0]; } } - var classLikeDeclaration = container.parent; - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); - var baseClassType = classType && getBaseTypes(classType)[0]; - if (!baseClassType) { - if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); - } - return unknownType; + return anyType; + } + function getSignatureInstantiation(signature, typeArguments) { + return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); + } + function getErasedSignature(signature) { + if (!signature.typeParameters) + return signature; + if (!signature.erasedSignatureCache) { + signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); } - if (container.kind === 149 && isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); - return unknownType; + return signature.erasedSignatureCache; + } + function getOrCreateTypeFromSignature(signature) { + if (!signature.isolatedSignatureType) { + var isConstructor = signature.declaration.kind === 149 || signature.declaration.kind === 153; + var type = createObjectType(16); + type.members = emptySymbols; + type.properties = emptyArray; + type.callSignatures = !isConstructor ? [signature] : emptyArray; + type.constructSignatures = isConstructor ? [signature] : emptyArray; + signature.isolatedSignatureType = type; } - return nodeCheckFlag === 512 - ? getBaseConstructorTypeOfClass(classType) - : getTypeWithThisArgument(baseClassType, classType.thisType); - function isLegalUsageOfSuperExpression(container) { - if (!container) { - return false; - } - if (isCallExpression) { - return container.kind === 149; - } - else { - if (ts.isClassLike(container.parent) || container.parent.kind === 172) { - if (ts.getModifierFlags(container) & 32) { - return container.kind === 148 || - container.kind === 147 || - container.kind === 150 || - container.kind === 151; - } - else { - return container.kind === 148 || - container.kind === 147 || - container.kind === 150 || - container.kind === 151 || - container.kind === 146 || - container.kind === 145 || - container.kind === 149; + return signature.isolatedSignatureType; + } + function getIndexSymbol(symbol) { + return symbol.members["__index"]; + } + function getIndexDeclarationOfSymbol(symbol, kind) { + var syntaxKind = kind === 1 ? 131 : 133; + var indexSymbol = getIndexSymbol(symbol); + if (indexSymbol) { + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var node = decl; + if (node.parameters.length === 1) { + var parameter = node.parameters[0]; + if (parameter && parameter.type && parameter.type.kind === syntaxKind) { + return node; } } } - return false; } + return undefined; } - function getContextualThisParameterType(func) { - if (isContextSensitiveFunctionOrObjectLiteralMethod(func) && func.kind !== 181) { - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var thisParameter = contextualSignature.thisParameter; - if (thisParameter) { - return getTypeOfSymbol(thisParameter); - } - } + function createIndexInfo(type, isReadonly, declaration) { + return { type: type, isReadonly: isReadonly, declaration: declaration }; + } + function getIndexInfoOfSymbol(symbol, kind) { + var declaration = getIndexDeclarationOfSymbol(symbol, kind); + if (declaration) { + return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, (ts.getModifierFlags(declaration) & 64) !== 0, declaration); } return undefined; } - function getContextuallyTypedParameterType(parameter) { - var func = parameter.parent; - if (isContextSensitiveFunctionOrObjectLiteralMethod(func)) { - var iife = ts.getImmediatelyInvokedFunctionExpression(func); - if (iife) { - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (iife.arguments && indexOfParameter < iife.arguments.length) { - if (parameter.dotDotDotToken) { - var restTypes = []; - for (var i = indexOfParameter; i < iife.arguments.length; i++) { - restTypes.push(getWidenedLiteralType(checkExpression(iife.arguments[i]))); - } - return createArrayType(getUnionType(restTypes)); - } - var links = getNodeLinks(iife); - var cached = links.resolvedSignature; - links.resolvedSignature = anySignature; - var type = getWidenedLiteralType(checkExpression(iife.arguments[indexOfParameter])); - links.resolvedSignature = cached; - return type; - } + function getConstraintDeclaration(type) { + return ts.getDeclarationOfKind(type.symbol, 142).constraint; + } + function hasConstraintReferenceTo(type, target) { + var checked; + while (type && type.flags & 16384 && !(type.isThisType) && !ts.contains(checked, type)) { + if (type === target) { + return true; } - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var funcHasRestParameters = ts.hasRestParameter(func); - var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (indexOfParameter < len) { - return getTypeAtPosition(contextualSignature, indexOfParameter); - } - if (funcHasRestParameters && - indexOfParameter === (func.parameters.length - 1) && - isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { - return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); + (checked || (checked = [])).push(type); + var constraintDeclaration = getConstraintDeclaration(type); + type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); + } + return false; + } + function getConstraintOfTypeParameter(typeParameter) { + if (!typeParameter.constraint) { + if (typeParameter.target) { + var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); + typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; + } + else { + var constraintDeclaration = getConstraintDeclaration(typeParameter); + var constraint = getTypeFromTypeNode(constraintDeclaration); + if (hasConstraintReferenceTo(constraint, typeParameter)) { + error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); + constraint = unknownType; } + typeParameter.constraint = constraint; } } - return undefined; + return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; } - function getContextualTypeForInitializerExpression(node) { - var declaration = node.parent; - if (node === declaration.initializer) { - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 143) { - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; + function getParentSymbolOfTypeParameter(typeParameter) { + return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 142).parent); + } + function getTypeListId(types) { + var result = ""; + if (types) { + var length_3 = types.length; + var i = 0; + while (i < length_3) { + var startId = types[i].id; + var count = 1; + while (i + count < length_3 && types[i + count].id === startId + count) { + count++; } - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, true, false); - } - if (ts.isBindingPattern(declaration.parent)) { - var parentDeclaration = declaration.parent.parent; - var name_15 = declaration.propertyName || declaration.name; - if (ts.isVariableLike(parentDeclaration) && - parentDeclaration.type && - !ts.isBindingPattern(name_15)) { - var text = getTextOfPropertyName(name_15); - if (text) { - return getTypeOfPropertyOfType(getTypeFromTypeNode(parentDeclaration.type), text); - } + if (result.length) { + result += ","; + } + result += startId; + if (count > 1) { + result += ":" + count; } + i += count; } } - return undefined; + return result; } - function getContextualTypeForReturnExpression(node) { - var func = ts.getContainingFunction(node); - if (ts.isAsyncFunctionLike(func)) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return getPromisedType(contextualReturnType); + function getPropagatingFlagsOfTypes(types, excludeKinds) { + var result = 0; + for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { + var type = types_3[_i]; + if (!(type.flags & excludeKinds)) { + result |= type.flags; } - return undefined; } - if (func && !func.asteriskToken) { - return getContextualReturnType(func); + return result & 3670016; + } + function createTypeReference(target, typeArguments) { + var id = getTypeListId(typeArguments); + var type = target.instantiations[id]; + if (!type) { + type = target.instantiations[id] = createObjectType(4, target.symbol); + type.flags |= typeArguments ? getPropagatingFlagsOfTypes(typeArguments, 0) : 0; + type.target = target; + type.typeArguments = typeArguments; } - return undefined; + return type; } - function getContextualTypeForYieldOperand(node) { - var func = ts.getContainingFunction(node); - if (func) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return node.asteriskToken - ? contextualReturnType - : getElementTypeOfIterableIterator(contextualReturnType); + function cloneTypeReference(source) { + var type = createType(source.flags); + type.symbol = source.symbol; + type.objectFlags = source.objectFlags; + type.target = source.target; + type.typeArguments = source.typeArguments; + return type; + } + function getTypeReferenceArity(type) { + return type.target.typeParameters ? type.target.typeParameters.length : 0; + } + function getTypeFromClassOrInterfaceReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(getMergedSymbol(symbol)); + var typeParameters = type.localTypeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); + return unknownType; } + return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias))); } - return undefined; + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); + return unknownType; + } + return type; } - function isInParameterInitializerBeforeContainingFunction(node) { - while (node.parent && !ts.isFunctionLike(node.parent)) { - if (node.parent.kind === 143 && node.parent.initializer === node) { - return true; + function getTypeFromTypeAliasReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var links = getSymbolLinks(symbol); + var typeParameters = links.typeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); + return unknownType; } - node = node.parent; + var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNodeNoAlias); + var id = getTypeListId(typeArguments); + return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); } - return false; - } - function getContextualReturnType(functionDecl) { - if (functionDecl.type || - functionDecl.kind === 149 || - functionDecl.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 151))) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; } - var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); - if (signature) { - return getReturnTypeOfSignature(signature); + return type; + } + function getTypeFromNonGenericTypeReference(node, symbol) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; } - return undefined; + return getDeclaredTypeOfSymbol(symbol); } - function getContextualTypeForArgument(callTarget, arg) { - var args = getEffectiveCallArguments(callTarget); - var argIndex = ts.indexOf(args, arg); - if (argIndex >= 0) { - var signature = getResolvedOrAnySignature(callTarget); - return getTypeAtPosition(signature, argIndex); + function getTypeReferenceName(node) { + switch (node.kind) { + case 156: + return node.typeName; + case 267: + return node.name; + case 195: + var expr = node.expression; + if (ts.isEntityNameExpression(expr)) { + return expr; + } } return undefined; } - function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { - if (template.parent.kind === 177) { - return getContextualTypeForArgument(template.parent, substitutionExpression); + function resolveTypeReferenceName(typeReferenceName) { + if (!typeReferenceName) { + return unknownSymbol; } - return undefined; + return resolveEntityName(typeReferenceName, 793064) || unknownSymbol; } - function getContextualTypeForBinaryOperand(node) { - var binaryExpression = node.parent; - var operator = binaryExpression.operatorToken.kind; - if (operator >= 57 && operator <= 69) { - if (ts.getSpecialPropertyAssignmentKind(binaryExpression) !== 0) { - return undefined; - } - if (node === binaryExpression.right) { - return checkExpression(binaryExpression.left); - } + function getTypeReferenceType(node, symbol) { + if (symbol === unknownSymbol) { + return unknownType; } - else if (operator === 53) { - var type = getContextualType(binaryExpression); - if (!type && node === binaryExpression.right) { - type = checkExpression(binaryExpression.left); - } - return type; + if (symbol.flags & (32 | 64)) { + return getTypeFromClassOrInterfaceReference(node, symbol); } - else if (operator === 52 || operator === 25) { - if (node === binaryExpression.right) { - return getContextualType(binaryExpression); + if (symbol.flags & 524288) { + return getTypeFromTypeAliasReference(node, symbol); + } + if (symbol.flags & 107455 && node.kind === 267) { + return getTypeOfSymbol(symbol); + } + return getTypeFromNonGenericTypeReference(node, symbol); + } + function getTypeFromTypeReference(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var symbol = void 0; + var type = void 0; + if (node.kind === 267) { + var typeReferenceName = getTypeReferenceName(node); + symbol = resolveTypeReferenceName(typeReferenceName); + type = getTypeReferenceType(node, symbol); + } + else { + var typeNameOrExpression = node.kind === 156 + ? node.typeName + : ts.isEntityNameExpression(node.expression) + ? node.expression + : undefined; + symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793064) || unknownSymbol; + type = symbol === unknownSymbol ? unknownType : + symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : + symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : + getTypeFromNonGenericTypeReference(node, symbol); } + links.resolvedSymbol = symbol; + links.resolvedType = type; } - return undefined; + return links.resolvedType; } - function applyToContextualType(type, mapper) { - if (!(type.flags & 524288)) { - return mapper(type); + function getTypeFromTypeQueryNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getWidenedType(checkExpression(node.exprName)); } - var types = type.types; - var mappedType; - var mappedTypes; - for (var _i = 0, types_13 = types; _i < types_13.length; _i++) { - var current = types_13[_i]; - var t = mapper(current); - if (t) { - if (!mappedType) { - mappedType = t; - } - else if (!mappedTypes) { - mappedTypes = [mappedType, t]; - } - else { - mappedTypes.push(t); + return links.resolvedType; + } + function getTypeOfGlobalSymbol(symbol, arity) { + function getTypeDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + switch (declaration.kind) { + case 222: + case 223: + case 225: + return declaration; } } } - return mappedTypes ? getUnionType(mappedTypes) : mappedType; + if (!symbol) { + return arity ? emptyGenericType : emptyObjectType; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!(type.flags & 32768)) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); + return arity ? emptyGenericType : emptyObjectType; + } + if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); + return arity ? emptyGenericType : emptyObjectType; + } + return type; } - function getTypeOfPropertyOfContextualType(type, name) { - return applyToContextualType(type, function (t) { - var prop = t.flags & 4161536 ? getPropertyOfType(t, name) : undefined; - return prop ? getTypeOfSymbol(prop) : undefined; - }); + function getGlobalValueSymbol(name) { + return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); } - function getIndexTypeOfContextualType(type, kind) { - return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); + function getGlobalTypeSymbol(name) { + return getGlobalSymbol(name, 793064, ts.Diagnostics.Cannot_find_global_type_0); } - function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 524288 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + function getGlobalSymbol(name, meaning, diagnostic) { + return resolveName(undefined, name, meaning, diagnostic, name); } - function getContextualTypeForObjectLiteralMethod(node) { - ts.Debug.assert(ts.isObjectLiteralMethod(node)); - if (isInsideWithStatementBody(node)) { - return undefined; - } - return getContextualTypeForObjectLiteralElement(node); + function getGlobalType(name, arity) { + if (arity === void 0) { arity = 0; } + return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); } - function getContextualTypeForObjectLiteralElement(element) { - var objectLiteral = element.parent; - var type = getApparentTypeOfContextualType(objectLiteral); - if (type) { - if (!ts.hasDynamicName(element)) { - var symbolName = getSymbolOfNode(element).name; - var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); - if (propertyType) { - return propertyType; - } - } - return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || - getIndexTypeOfContextualType(type, 0); + function getExportedTypeFromNamespace(namespace, name) { + var namespaceSymbol = getGlobalSymbol(namespace, 1920, undefined); + var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793064); + return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + } + function createTypedPropertyDescriptorType(propertyType) { + var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); + return globalTypedPropertyDescriptorType !== emptyGenericType + ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) + : emptyObjectType; + } + function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { + return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + } + function createIterableType(elementType) { + return createTypeFromGenericGlobalType(getGlobalIterableType(), [elementType]); + } + function createIterableIteratorType(elementType) { + return createTypeFromGenericGlobalType(getGlobalIterableIteratorType(), [elementType]); + } + function createArrayType(elementType) { + return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + } + function getTypeFromArrayTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); } - return undefined; + return links.resolvedType; } - function getContextualTypeForElementExpression(node) { - var arrayLiteral = node.parent; - var type = getApparentTypeOfContextualType(arrayLiteral); - if (type) { - var index = ts.indexOf(arrayLiteral.elements, node); - return getTypeOfPropertyOfContextualType(type, "" + index) - || getIndexTypeOfContextualType(type, 1) - || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); + function createTupleTypeOfArity(arity) { + var typeParameters = []; + var properties = []; + for (var i = 0; i < arity; i++) { + var typeParameter = createType(16384); + typeParameters.push(typeParameter); + var property = createSymbol(4 | 67108864, "" + i); + property.type = typeParameter; + properties.push(property); } - return undefined; + var type = createObjectType(8 | 4); + type.typeParameters = typeParameters; + type.outerTypeParameters = undefined; + type.localTypeParameters = typeParameters; + type.instantiations = ts.createMap(); + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(16384); + type.thisType.isThisType = true; + type.thisType.constraint = type; + type.declaredProperties = properties; + type.declaredCallSignatures = emptyArray; + type.declaredConstructSignatures = emptyArray; + type.declaredStringIndexInfo = undefined; + type.declaredNumberIndexInfo = undefined; + return type; } - function getContextualTypeForConditionalOperand(node) { - var conditional = node.parent; - return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + function getTupleTypeOfArity(arity) { + return tupleTypes[arity] || (tupleTypes[arity] = createTupleTypeOfArity(arity)); } - function getContextualTypeForJsxAttribute(attribute) { - var kind = attribute.kind; - var jsxElement = attribute.parent; - var attrsType = getJsxElementAttributesType(jsxElement); - if (attribute.kind === 246) { - if (!attrsType || isTypeAny(attrsType)) { - return undefined; + function createTupleType(elementTypes) { + return createTypeReference(getTupleTypeOfArity(elementTypes.length), elementTypes); + } + function getTypeFromTupleTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNodeNoAlias)); + } + return links.resolvedType; + } + function binarySearchTypes(types, type) { + var low = 0; + var high = types.length - 1; + var typeId = type.id; + while (low <= high) { + var middle = low + ((high - low) >> 1); + var id = types[middle].id; + if (id === typeId) { + return middle; + } + else if (id > typeId) { + high = middle - 1; + } + else { + low = middle + 1; } - return getTypeOfPropertyOfType(attrsType, attribute.name.text); } - else if (attribute.kind === 247) { - return attrsType; + return ~low; + } + function containsType(types, type) { + return binarySearchTypes(types, type) >= 0; + } + function addTypeToUnion(typeSet, type) { + var flags = type.flags; + if (flags & 65536) { + addTypesToUnion(typeSet, type.types); + } + else if (flags & 1) { + typeSet.containsAny = true; + } + else if (!strictNullChecks && flags & 6144) { + if (flags & 2048) + typeSet.containsUndefined = true; + if (flags & 4096) + typeSet.containsNull = true; + if (!(flags & 524288)) + typeSet.containsNonWideningType = true; + } + else if (!(flags & 8192)) { + if (flags & 2) + typeSet.containsString = true; + if (flags & 4) + typeSet.containsNumber = true; + if (flags & 96) + typeSet.containsStringOrNumberLiteral = true; + var len = typeSet.length; + var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type); + if (index < 0) { + if (!(flags & 32768 && type.objectFlags & 16 && + type.symbol && type.symbol.flags & (16 | 8192) && containsIdenticalType(typeSet, type))) { + typeSet.splice(~index, 0, type); + } + } } - ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); } - function getApparentTypeOfContextualType(node) { - var type = getContextualType(node); - return type && getApparentType(type); + function addTypesToUnion(typeSet, types) { + for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { + var type = types_4[_i]; + addTypeToUnion(typeSet, type); + } } - function getContextualType(node) { - if (isInsideWithStatementBody(node)) { - return undefined; + function containsIdenticalType(types, type) { + for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { + var t = types_5[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; + } } - if (node.contextualType) { - return node.contextualType; + return false; + } + function isSubtypeOfAny(candidate, types) { + for (var i = 0, len = types.length; i < len; i++) { + if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { + return true; + } } - var parent = node.parent; - switch (parent.kind) { - case 219: - case 143: - case 146: - case 145: - case 170: - return getContextualTypeForInitializerExpression(node); - case 181: - case 212: - return getContextualTypeForReturnExpression(node); - case 191: - return getContextualTypeForYieldOperand(parent); - case 175: - case 176: - return getContextualTypeForArgument(parent, node); - case 178: - case 196: - return getTypeFromTypeNode(parent.type); - case 188: - return getContextualTypeForBinaryOperand(node); - case 253: - case 254: - return getContextualTypeForObjectLiteralElement(parent); - case 171: - return getContextualTypeForElementExpression(node); - case 189: - return getContextualTypeForConditionalOperand(node); - case 198: - ts.Debug.assert(parent.parent.kind === 190); - return getContextualTypeForSubstitutionExpression(parent.parent, node); - case 179: - return getContextualType(parent); - case 248: - return getContextualType(parent); - case 246: - case 247: - return getContextualTypeForJsxAttribute(parent); + return false; + } + function isSetOfLiteralsFromSameEnum(types) { + var first = types[0]; + if (first.flags & 256) { + var firstEnum = getParentOfSymbol(first.symbol); + for (var i = 1; i < types.length; i++) { + var other = types[i]; + if (!(other.flags & 256) || (firstEnum !== getParentOfSymbol(other.symbol))) { + return false; + } + } + return true; } - return undefined; + return false; } - function getNonGenericSignature(type) { - var signatures = getSignaturesOfStructuredType(type, 0); - if (signatures.length === 1) { - var signature = signatures[0]; - if (!signature.typeParameters) { - return signature; + function removeSubtypes(types) { + if (types.length === 0 || isSetOfLiteralsFromSameEnum(types)) { + return; + } + var i = types.length; + while (i > 0) { + i--; + if (isSubtypeOfAny(types[i], types)) { + ts.orderedRemoveItemAt(types, i); } } } - function isFunctionExpressionOrArrowFunction(node) { - return node.kind === 180 || node.kind === 181; - } - function getContextualSignatureForFunctionLikeDeclaration(node) { - return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) - ? getContextualSignature(node) - : undefined; - } - function getContextualTypeForFunctionLikeDeclaration(node) { - return ts.isObjectLiteralMethod(node) ? - getContextualTypeForObjectLiteralMethod(node) : - getApparentTypeOfContextualType(node); + function removeRedundantLiteralTypes(types) { + var i = types.length; + while (i > 0) { + i--; + var t = types[i]; + var remove = t.flags & 32 && types.containsString || + t.flags & 64 && types.containsNumber || + t.flags & 96 && t.flags & 262144 && containsType(types, t.regularType); + if (remove) { + ts.orderedRemoveItemAt(types, i); + } + } } - function getContextualSignature(node) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - var type = getContextualTypeForFunctionLikeDeclaration(node); - if (!type) { - return undefined; + function getUnionType(types, subtypeReduction, aliasSymbol, aliasTypeArguments) { + if (types.length === 0) { + return neverType; } - if (!(type.flags & 524288)) { - return getNonGenericSignature(type); + if (types.length === 1) { + return types[0]; } - var signatureList; - var types = type.types; - for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { - var current = types_14[_i]; - var signature = getNonGenericSignature(current); - if (signature) { - if (!signatureList) { - signatureList = [signature]; - } - else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, true, compareTypesIdentical)) { - return undefined; - } - else { - signatureList.push(signature); - } - } + var typeSet = []; + addTypesToUnion(typeSet, types); + if (typeSet.containsAny) { + return anyType; } - var result; - if (signatureList) { - result = cloneSignature(signatureList[0]); - result.resolvedReturnType = undefined; - result.unionSignatures = signatureList; + if (subtypeReduction) { + removeSubtypes(typeSet); } - return result; + else if (typeSet.containsStringOrNumberLiteral) { + removeRedundantLiteralTypes(typeSet); + } + if (typeSet.length === 0) { + return typeSet.containsNull ? typeSet.containsNonWideningType ? nullType : nullWideningType : + typeSet.containsUndefined ? typeSet.containsNonWideningType ? undefinedType : undefinedWideningType : + neverType; + } + return getUnionTypeFromSortedList(typeSet, aliasSymbol, aliasTypeArguments); } - function isInferentialContext(mapper) { - return mapper && mapper.context; + function getUnionTypeFromSortedList(types, aliasSymbol, aliasTypeArguments) { + if (types.length === 0) { + return neverType; + } + if (types.length === 1) { + return types[0]; + } + var id = getTypeListId(types); + var type = unionTypes[id]; + if (!type) { + var propagatedFlags = getPropagatingFlagsOfTypes(types, 6144); + type = unionTypes[id] = createType(65536 | propagatedFlags); + type.types = types; + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + } + return type; } - function checkSpreadElementExpression(node, contextualMapper) { - var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); - return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); + function getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), false, aliasSymbol, aliasTypeArguments); + } + return links.resolvedType; } - function hasDefaultValue(node) { - return (node.kind === 170 && !!node.initializer) || - (node.kind === 188 && node.operatorToken.kind === 57); + function addTypeToIntersection(typeSet, type) { + if (type.flags & 131072) { + addTypesToIntersection(typeSet, type.types); + } + else if (type.flags & 1) { + typeSet.containsAny = true; + } + else if (!(type.flags & 8192) && (strictNullChecks || !(type.flags & 6144)) && !ts.contains(typeSet, type)) { + typeSet.push(type); + } } - function checkArrayLiteral(node, contextualMapper) { - var elements = node.elements; - var hasSpreadElement = false; - var elementTypes = []; - var inDestructuringPattern = ts.isAssignmentTarget(node); - for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { - var e = elements_1[_i]; - if (inDestructuringPattern && e.kind === 192) { - var restArrayType = checkExpression(e.expression, contextualMapper); - var restElementType = getIndexTypeOfType(restArrayType, 1) || - (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); - if (restElementType) { - elementTypes.push(restElementType); - } - } - else { - var type = checkExpressionForMutableLocation(e, contextualMapper); - elementTypes.push(type); - } - hasSpreadElement = hasSpreadElement || e.kind === 192; + function addTypesToIntersection(typeSet, types) { + for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { + var type = types_6[_i]; + addTypeToIntersection(typeSet, type); } - if (!hasSpreadElement) { - if (inDestructuringPattern && elementTypes.length) { - var type = cloneTypeReference(createTupleType(elementTypes)); - type.pattern = node; - return type; - } - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { - var pattern = contextualType.pattern; - if (pattern && (pattern.kind === 169 || pattern.kind === 171)) { - var patternElements = pattern.elements; - for (var i = elementTypes.length; i < patternElements.length; i++) { - var patternElement = patternElements[i]; - if (hasDefaultValue(patternElement)) { - elementTypes.push(contextualType.typeArguments[i]); - } - else { - if (patternElement.kind !== 194) { - error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - elementTypes.push(unknownType); - } - } - } - if (elementTypes.length) { - return createTupleType(elementTypes); - } + } + function getIntersectionType(types, aliasSymbol, aliasTypeArguments) { + if (types.length === 0) { + return emptyObjectType; + } + var _loop_1 = function (i) { + var type_1 = types[i]; + if (type_1.flags & 65536) { + return { value: getUnionType(ts.map(type_1.types, function (t) { return getIntersectionType(ts.replaceElement(types, i, t)); }), false, aliasSymbol, aliasTypeArguments) }; } + }; + for (var i = 0; i < types.length; i++) { + var state_2 = _loop_1(i); + if (typeof state_2 === "object") + return state_2.value; } - return createArrayType(elementTypes.length ? - getUnionType(elementTypes, true) : - strictNullChecks ? neverType : undefinedWideningType); + var typeSet = []; + addTypesToIntersection(typeSet, types); + if (typeSet.containsAny) { + return anyType; + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = intersectionTypes[id]; + if (!type) { + var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, 6144); + type = intersectionTypes[id] = createType(131072 | propagatedFlags); + type.types = typeSet; + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + } + return type; } - function isNumericName(name) { - return name.kind === 141 ? isNumericComputedName(name) : isNumericLiteralName(name.text); + function getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNodeNoAlias), aliasSymbol, aliasTypeArguments); + } + return links.resolvedType; } - function isNumericComputedName(name) { - return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 340); + function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = createObjectType(16, node.symbol); + type.aliasSymbol = aliasSymbol; + type.aliasTypeArguments = aliasTypeArguments; + links.resolvedType = type; + } + return links.resolvedType; } - function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { - return isTypeAny(type) || isTypeOfKind(type, kind); + function createLiteralType(flags, text) { + var type = createType(flags); + type.text = text; + return type; } - function isInfinityOrNaNString(name) { - return name === "Infinity" || name === "-Infinity" || name === "NaN"; + function getFreshTypeOfLiteralType(type) { + if (type.flags & 96 && !(type.flags & 262144)) { + if (!type.freshType) { + var freshType = createLiteralType(type.flags | 262144, type.text); + freshType.regularType = type; + type.freshType = freshType; + } + return type.freshType; + } + return type; } - function isNumericLiteralName(name) { - return (+name).toString() === name; + function getRegularTypeOfLiteralType(type) { + return type.flags & 96 && type.flags & 262144 ? type.regularType : type; } - function checkComputedPropertyName(node) { - var links = getNodeLinks(node.expression); + function getLiteralTypeForText(flags, text) { + var map = flags & 32 ? stringLiteralTypes : numericLiteralTypes; + return map[text] || (map[text] = createLiteralType(flags, text)); + } + function getTypeFromLiteralTypeNode(node) { + var links = getNodeLinks(node); if (!links.resolvedType) { - links.resolvedType = checkExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 340 | 34 | 512)) { - error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); - } - else { - checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); - } + links.resolvedType = getRegularTypeOfLiteralType(checkExpression(node.literal)); } return links.resolvedType; } - function getObjectLiteralIndexInfo(node, properties, kind) { - var propTypes = []; - for (var i = 0; i < properties.length; i++) { - if (kind === 0 || isNumericName(node.properties[i].name)) { - propTypes.push(getTypeOfSymbol(properties[i])); - } + function getTypeFromJSDocVariadicType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = getTypeFromTypeNode(node.type); + links.resolvedType = type ? createArrayType(type) : unknownType; } - var unionType = propTypes.length ? getUnionType(propTypes, true) : undefinedType; - return createIndexInfo(unionType, false); + return links.resolvedType; } - function checkObjectLiteral(node, contextualMapper) { - var inDestructuringPattern = ts.isAssignmentTarget(node); - checkGrammarObjectLiteralExpression(node, inDestructuringPattern); - var propertiesTable = ts.createMap(); - var propertiesArray = []; - var contextualType = getApparentTypeOfContextualType(node); - var contextualTypeHasPattern = contextualType && contextualType.pattern && - (contextualType.pattern.kind === 168 || contextualType.pattern.kind === 172); - var typeFlags = 0; - var patternWithComputedProperties = false; - var hasComputedStringProperty = false; - var hasComputedNumberProperty = false; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var memberDecl = _a[_i]; - var member = memberDecl.symbol; - if (memberDecl.kind === 253 || - memberDecl.kind === 254 || - ts.isObjectLiteralMethod(memberDecl)) { - var type = void 0; - if (memberDecl.kind === 253) { - type = checkPropertyAssignment(memberDecl, contextualMapper); - } - else if (memberDecl.kind === 148) { - type = checkObjectLiteralMethod(memberDecl, contextualMapper); - } - else { - ts.Debug.assert(memberDecl.kind === 254); - type = checkExpressionForMutableLocation(memberDecl.name, contextualMapper); - } - typeFlags |= type.flags; - var prop = createSymbol(4 | 67108864 | member.flags, member.name); - if (inDestructuringPattern) { - var isOptional = (memberDecl.kind === 253 && hasDefaultValue(memberDecl.initializer)) || - (memberDecl.kind === 254 && memberDecl.objectAssignmentInitializer); - if (isOptional) { - prop.flags |= 536870912; - } - if (ts.hasDynamicName(memberDecl)) { - patternWithComputedProperties = true; - } - } - else if (contextualTypeHasPattern && - !(contextualType.flags & 2588672 && contextualType.isObjectLiteralPatternWithComputedProperties)) { - var impliedProp = getPropertyOfType(contextualType, member.name); - if (impliedProp) { - prop.flags |= impliedProp.flags & 536870912; - } - else if (!compilerOptions.suppressExcessPropertyErrors) { - error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); - } - } - prop.declarations = member.declarations; - prop.parent = member.parent; - if (member.valueDeclaration) { - prop.valueDeclaration = member.valueDeclaration; - } - prop.type = type; - prop.target = member; - member = prop; - } - else { - ts.Debug.assert(memberDecl.kind === 150 || memberDecl.kind === 151); - checkAccessorDeclaration(memberDecl); - } - if (ts.hasDynamicName(memberDecl)) { - if (isNumericName(memberDecl.name)) { - hasComputedNumberProperty = true; - } - else { - hasComputedStringProperty = true; - } - } - else { - propertiesTable[member.name] = member; - } - propertiesArray.push(member); + function getTypeFromJSDocTupleType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var types = ts.map(node.types, getTypeFromTypeNodeNoAlias); + links.resolvedType = createTupleType(types); } - if (contextualTypeHasPattern) { - for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { - var prop = _c[_b]; - if (!propertiesTable[prop.name]) { - if (!(prop.flags & 536870912)) { - error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - propertiesTable[prop.name] = prop; - propertiesArray.push(prop); - } + return links.resolvedType; + } + function getThisType(node) { + var container = ts.getThisContainer(node, false); + var parent = container && container.parent; + if (parent && (ts.isClassLike(parent) || parent.kind === 223)) { + if (!(ts.getModifierFlags(container) & 32) && + (container.kind !== 149 || ts.isNodeDescendantOf(node, container.body))) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; } } - var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0) : undefined; - var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1) : undefined; - var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 16777216; - result.flags |= 8388608 | 67108864 | freshObjectLiteralFlag | (typeFlags & 234881024); - if (patternWithComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; - } - if (inDestructuringPattern) { - result.pattern = node; + error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); + return unknownType; + } + function getTypeFromThisTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getThisType(node); } - return result; + return links.resolvedType; } - function checkJsxSelfClosingElement(node) { - checkJsxOpeningLikeElement(node); - return jsxElementType || anyType; + function getTypeFromTypeNodeNoAlias(type) { + return getTypeFromTypeNode(type, undefined, undefined); } - function checkJsxElement(node) { - checkJsxOpeningLikeElement(node.openingElement); - if (isJsxIntrinsicIdentifier(node.closingElement.tagName)) { - getIntrinsicTagSymbol(node.closingElement); + function getTypeFromTypeNode(node, aliasSymbol, aliasTypeArguments) { + switch (node.kind) { + case 118: + case 258: + case 259: + return anyType; + case 133: + return stringType; + case 131: + return numberType; + case 121: + return booleanType; + case 134: + return esSymbolType; + case 104: + return voidType; + case 136: + return undefinedType; + case 94: + return nullType; + case 128: + return neverType; + case 283: + return nullType; + case 284: + return undefinedType; + case 285: + return neverType; + case 166: + case 98: + return getTypeFromThisTypeNode(node); + case 167: + return getTypeFromLiteralTypeNode(node); + case 282: + return getTypeFromLiteralTypeNode(node.literal); + case 156: + case 267: + return getTypeFromTypeReference(node); + case 155: + return booleanType; + case 195: + return getTypeFromTypeReference(node); + case 159: + return getTypeFromTypeQueryNode(node); + case 161: + case 260: + return getTypeFromArrayTypeNode(node); + case 162: + return getTypeFromTupleTypeNode(node); + case 163: + case 261: + return getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments); + case 164: + return getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments); + case 165: + case 263: + case 264: + case 271: + case 272: + case 268: + return getTypeFromTypeNode(node.type); + case 265: + return getTypeFromTypeNode(node.literal); + case 157: + case 158: + case 160: + case 281: + case 269: + return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments); + case 70: + case 140: + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + case 262: + return getTypeFromJSDocTupleType(node); + case 270: + return getTypeFromJSDocVariadicType(node); + default: + return unknownType; } - else { - checkExpression(node.closingElement.tagName); + } + function instantiateList(items, mapper, instantiator) { + if (items && items.length) { + var result = []; + for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { + var v = items_1[_i]; + result.push(instantiator(v, mapper)); + } + return result; } - for (var _i = 0, _a = node.children; _i < _a.length; _i++) { - var child = _a[_i]; - switch (child.kind) { - case 248: - checkJsxExpression(child); - break; - case 242: - checkJsxElement(child); - break; - case 243: - checkJsxSelfClosingElement(child); - break; + return items; + } + function createUnaryTypeMapper(source, target) { + return function (t) { return t === source ? target : t; }; + } + function createBinaryTypeMapper(source1, target1, source2, target2) { + return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; + } + function createArrayTypeMapper(sources, targets) { + return function (t) { + for (var i = 0; i < sources.length; i++) { + if (t === sources[i]) { + return targets ? targets[i] : anyType; + } } - } - return jsxElementType || anyType; + return t; + }; } - function isUnhyphenatedJsxName(name) { - return name.indexOf("-") < 0; + function createTypeMapper(sources, targets) { + var count = sources.length; + var mapper = count == 1 ? createUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) : + count == 2 ? createBinaryTypeMapper(sources[0], targets ? targets[0] : anyType, sources[1], targets ? targets[1] : anyType) : + createArrayTypeMapper(sources, targets); + mapper.mappedTypes = sources; + mapper.targetTypes = targets; + return mapper; } - function isJsxIntrinsicIdentifier(tagName) { - if (tagName.kind === 173 || tagName.kind === 98) { - return false; - } - else { - return ts.isIntrinsicJsxName(tagName.text); - } + function createTypeEraser(sources) { + return createTypeMapper(sources, undefined); } - function checkJsxAttribute(node, elementAttributesType, nameTable) { - var correspondingPropType = undefined; - if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { - error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); - } - else if (elementAttributesType && !isTypeAny(elementAttributesType)) { - var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); - correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); - if (isUnhyphenatedJsxName(node.name.text)) { - var attributeType = getTypeOfPropertyOfType(elementAttributesType, getTextOfPropertyName(node.name)) || getIndexTypeOfType(elementAttributesType, 0); - if (attributeType) { - correspondingPropType = attributeType; - } - else { - if (!correspondingPropType) { - error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); - return unknownType; + function getInferenceMapper(context) { + if (!context.mapper) { + var mapper = function (t) { + var typeParameters = context.signature.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (t === typeParameters[i]) { + context.inferences[i].isFixed = true; + return getInferredType(context, i); } } - } - } - var exprType; - if (node.initializer) { - exprType = checkExpression(node.initializer); - } - else { - exprType = booleanType; - } - if (correspondingPropType) { - checkTypeAssignableTo(exprType, correspondingPropType, node); + return t; + }; + mapper.mappedTypes = context.signature.typeParameters; + mapper.context = context; + context.mapper = mapper; } - nameTable[node.name.text] = true; - return exprType; + return context.mapper; } - function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { - var type = checkExpression(node.expression); - var props = getPropertiesOfType(type); - for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { - var prop = props_2[_i]; - if (!nameTable[prop.name]) { - var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); - if (targetPropSym) { - var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); - checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); - } - nameTable[prop.name] = true; - } - } + function identityMapper(type) { return type; } - function getJsxType(name) { - if (jsxTypes[name] === undefined) { - return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; - } - return jsxTypes[name]; + function combineTypeMappers(mapper1, mapper2) { + var mapper = function (t) { return instantiateType(mapper1(t), mapper2); }; + mapper.mappedTypes = mapper1.mappedTypes; + return mapper; } - function getIntrinsicTagSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); - if (intrinsicProp) { - links.jsxFlags |= 1; - return links.resolvedSymbol = intrinsicProp; - } - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); - if (indexSignatureType) { - links.jsxFlags |= 2; - return links.resolvedSymbol = intrinsicElementsType.symbol; - } - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); - return links.resolvedSymbol = unknownSymbol; - } - else { - if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); - } - return links.resolvedSymbol = unknownSymbol; - } - } - return links.resolvedSymbol; + function cloneTypeParameter(typeParameter) { + var result = createType(16384); + result.symbol = typeParameter.symbol; + result.target = typeParameter; + return result; } - function getJsxElementInstanceType(node, valueType) { - ts.Debug.assert(!(valueType.flags & 524288)); - if (isTypeAny(valueType)) { - return anyType; + function cloneTypePredicate(predicate, mapper) { + if (ts.isIdentifierTypePredicate(predicate)) { + return { + kind: 1, + parameterName: predicate.parameterName, + parameterIndex: predicate.parameterIndex, + type: instantiateType(predicate.type, mapper) + }; } - var signatures = getSignaturesOfType(valueType, 1); - if (signatures.length === 0) { - signatures = getSignaturesOfType(valueType, 0); - if (signatures.length === 0) { - error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); - return unknownType; - } + else { + return { + kind: 0, + type: instantiateType(predicate.type, mapper) + }; } - return getUnionType(ts.map(signatures, getReturnTypeOfSignature), true); } - function getJsxElementPropertiesName() { - var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1920, undefined); - var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793064); - var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); - var attribProperties = attribPropType && getPropertiesOfType(attribPropType); - if (attribProperties) { - if (attribProperties.length === 0) { - return ""; - } - else if (attribProperties.length === 1) { - return attribProperties[0].name; - } - else { - error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); - return undefined; + function instantiateSignature(signature, mapper, eraseTypeParameters) { + var freshTypeParameters; + var freshTypePredicate; + if (signature.typeParameters && !eraseTypeParameters) { + freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); + mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); + for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { + var tp = freshTypeParameters_1[_i]; + tp.mapper = mapper; } } - else { - return undefined; + if (signature.typePredicate) { + freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); } + var result = createSignature(signature.declaration, freshTypeParameters, signature.thisParameter && instantiateSymbol(signature.thisParameter, mapper), instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasLiteralTypes); + result.target = signature; + result.mapper = mapper; + return result; } - function getResolvedJsxType(node, elemType, elemClassType) { - if (!elemType) { - elemType = checkExpression(node.tagName); - } - if (elemType.flags & 524288) { - var types = elemType.types; - return getUnionType(ts.map(types, function (type) { - return getResolvedJsxType(node, type, elemClassType); - }), true); - } - if (elemType.flags & 2) { - return anyType; + function instantiateSymbol(symbol, mapper) { + if (symbol.flags & 16777216) { + var links = getSymbolLinks(symbol); + symbol = links.target; + mapper = combineTypeMappers(links.mapper, mapper); } - else if (elemType.flags & 32) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - var stringLiteralTypeName = elemType.text; - var intrinsicProp = getPropertyOfType(intrinsicElementsType, stringLiteralTypeName); - if (intrinsicProp) { - return getTypeOfSymbol(intrinsicProp); - } - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); - if (indexSignatureType) { - return indexSignatureType; - } - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, stringLiteralTypeName, "JSX." + JsxNames.IntrinsicElements); - } - return anyType; + var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); + result.declarations = symbol.declarations; + result.parent = symbol.parent; + result.target = symbol; + result.mapper = mapper; + if (symbol.valueDeclaration) { + result.valueDeclaration = symbol.valueDeclaration; } - var elemInstanceType = getJsxElementInstanceType(node, elemType); - if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { - if (jsxElementType) { - var callSignatures = elemType && getSignaturesOfType(elemType, 0); - var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; - var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); - var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); - if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { - var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttributes !== unknownType) { - paramType = intersectTypes(intrinsicAttributes, paramType); - } - return paramType; - } + return result; + } + function instantiateAnonymousType(type, mapper) { + if (mapper.instantiations) { + var cachedType = mapper.instantiations[type.id]; + if (cachedType) { + return cachedType; } } - if (elemClassType) { - checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); - } - if (isTypeAny(elemInstanceType)) { - return elemInstanceType; - } - var propsName = getJsxElementPropertiesName(); - if (propsName === undefined) { - return anyType; - } - else if (propsName === "") { - return elemInstanceType; - } else { - var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); - if (!attributesType) { - return emptyObjectType; - } - else if (isTypeAny(attributesType) || (attributesType === unknownType)) { - return attributesType; - } - else if (attributesType.flags & 524288) { - error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); - return anyType; - } - else { - var apparentAttributesType = attributesType; - var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); - if (intrinsicClassAttribs !== unknownType) { - var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); - if (typeParams) { - if (typeParams.length === 1) { - apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + mapper.instantiations = []; + } + var result = createObjectType(16 | 32, type.symbol); + result.target = type; + result.mapper = mapper; + result.aliasSymbol = type.aliasSymbol; + result.aliasTypeArguments = mapper.targetTypes; + mapper.instantiations[type.id] = result; + return result; + } + function isSymbolInScopeOfMappedTypeParameter(symbol, mapper) { + var mappedTypes = mapper.mappedTypes; + var node = symbol.declarations[0].parent; + while (node) { + switch (node.kind) { + case 157: + case 158: + case 221: + case 148: + case 147: + case 149: + case 152: + case 153: + case 154: + case 150: + case 151: + case 180: + case 181: + case 222: + case 193: + case 223: + case 224: + var declaration = node; + if (declaration.typeParameters) { + for (var _i = 0, _a = declaration.typeParameters; _i < _a.length; _i++) { + var d = _a[_i]; + if (ts.contains(mappedTypes, getDeclaredTypeOfTypeParameter(getSymbolOfNode(d)))) { + return true; + } } } - else { - apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + if (ts.isClassLike(node) || node.kind === 223) { + var thisType = getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType; + if (thisType && ts.contains(mappedTypes, thisType)) { + return true; + } } - } - var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttribs !== unknownType) { - apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); - } - return apparentAttributesType; + break; + case 226: + case 256: + return false; } + node = node.parent; } + return false; } - function getJsxElementAttributesType(node) { - var links = getNodeLinks(node); - if (!links.resolvedJsxType) { - if (isJsxIntrinsicIdentifier(node.tagName)) { - var symbol = getIntrinsicTagSymbol(node); - if (links.jsxFlags & 1) { - return links.resolvedJsxType = getTypeOfSymbol(symbol); - } - else if (links.jsxFlags & 2) { - return links.resolvedJsxType = getIndexInfoOfSymbol(symbol, 0).type; + function instantiateType(type, mapper) { + if (type && mapper !== identityMapper) { + if (type.flags & 16384) { + return mapper(type); + } + if (type.flags & 32768) { + if (type.objectFlags & 16) { + return type.symbol && + type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) && + (type.objectFlags & 32 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? + instantiateAnonymousType(type, mapper) : type; } - else { - return links.resolvedJsxType = unknownType; + if (type.objectFlags & 4) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); } } - else { - var elemClassType = getJsxGlobalElementClassType(); - return links.resolvedJsxType = getResolvedJsxType(node, undefined, elemClassType); + if (type.flags & 65536 && !(type.flags & 8190)) { + return getUnionType(instantiateList(type.types, mapper, instantiateType), false, type.aliasSymbol, mapper.targetTypes); } - } - return links.resolvedJsxType; - } - function getJsxAttributePropertySymbol(attrib) { - var attributesType = getJsxElementAttributesType(attrib.parent); - var prop = getPropertyOfType(attributesType, attrib.name.text); - return prop || unknownSymbol; - } - function getJsxGlobalElementClassType() { - if (!jsxElementClassType) { - jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); - } - return jsxElementClassType; - } - function getJsxIntrinsicTagNames() { - var intrinsics = getJsxType(JsxNames.IntrinsicElements); - return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; - } - function checkJsxPreconditions(errorNode) { - if ((compilerOptions.jsx || 0) === 0) { - error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); - } - if (jsxElementType === undefined) { - if (compilerOptions.noImplicitAny) { - error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); + if (type.flags & 131072) { + return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes); } } + return type; } - function checkJsxOpeningLikeElement(node) { - checkGrammarJsxElement(node); - checkJsxPreconditions(node); - var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; - var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); - if (reactSym) { - getSymbolLinks(reactSym).referenced = true; - } - var targetAttributesType = getJsxElementAttributesType(node); - var nameTable = ts.createMap(); - var sawSpreadedAny = false; - for (var i = node.attributes.length - 1; i >= 0; i--) { - if (node.attributes[i].kind === 246) { - checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); - } - else { - ts.Debug.assert(node.attributes[i].kind === 247); - var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); - if (isTypeAny(spreadType)) { - sawSpreadedAny = true; - } - } - } - if (targetAttributesType && !sawSpreadedAny) { - var targetProperties = getPropertiesOfType(targetAttributesType); - for (var i = 0; i < targetProperties.length; i++) { - if (!(targetProperties[i].flags & 536870912) && - !nameTable[targetProperties[i].name]) { - error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); - } - } - } + function instantiateIndexInfo(info, mapper) { + return info && createIndexInfo(instantiateType(info.type, mapper), info.isReadonly, info.declaration); } - function checkJsxExpression(node) { - if (node.expression) { - return checkExpression(node.expression); - } - else { - return unknownType; + function isContextSensitive(node) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + switch (node.kind) { + case 180: + case 181: + return isContextSensitiveFunctionLikeDeclaration(node); + case 172: + return ts.forEach(node.properties, isContextSensitive); + case 171: + return ts.forEach(node.elements, isContextSensitive); + case 189: + return isContextSensitive(node.whenTrue) || + isContextSensitive(node.whenFalse); + case 188: + return node.operatorToken.kind === 53 && + (isContextSensitive(node.left) || isContextSensitive(node.right)); + case 253: + return isContextSensitive(node.initializer); + case 148: + case 147: + return isContextSensitiveFunctionLikeDeclaration(node); + case 179: + return isContextSensitive(node.expression); } + return false; } - function getDeclarationKindFromSymbol(s) { - return s.valueDeclaration ? s.valueDeclaration.kind : 146; - } - function getDeclarationModifierFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedModifierFlags(s.valueDeclaration) : s.flags & 134217728 ? 4 | 32 : 0; - } - function getDeclarationNodeFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : 0; - } - function checkClassPropertyAccess(node, left, type, prop) { - var flags = getDeclarationModifierFlagsFromSymbol(prop); - var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); - var errorNode = node.kind === 173 || node.kind === 219 ? - node.name : - node.right; - if (left.kind === 96) { - if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 148) { - error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); - return false; - } - if (flags & 128) { - error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); - return false; - } - } - if (!(flags & 24)) { - return true; - } - if (flags & 8) { - var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop)); - if (!isNodeWithinClass(node, declaringClassDeclaration)) { - error(errorNode, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); - return false; - } - return true; - } - if (left.kind === 96) { - return true; - } - var enclosingClass = forEachEnclosingClass(node, function (enclosingDeclaration) { - var enclosingClass = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingDeclaration)); - return hasBaseType(enclosingClass, declaringClass) ? enclosingClass : undefined; - }); - if (!enclosingClass) { - error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + function isContextSensitiveFunctionLikeDeclaration(node) { + if (node.typeParameters) { return false; } - if (flags & 32) { + if (ts.forEach(node.parameters, function (p) { return !p.type; })) { return true; } - if (type.flags & 16384 && type.isThisType) { - type = getConstraintOfTypeParameter(type); - } - if (!(getTargetType(type).flags & (32768 | 65536) && hasBaseType(type, enclosingClass))) { - error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + if (node.kind === 181) { return false; } - return true; + var parameter = ts.firstOrUndefined(node.parameters); + return !(parameter && ts.parameterIsThisKeyword(parameter)); } - function checkNonNullExpression(node) { - var type = checkExpression(node); - if (strictNullChecks) { - var kind = getFalsyFlags(type) & 6144; - if (kind) { - error(node, kind & 2048 ? kind & 4096 ? - ts.Diagnostics.Object_is_possibly_null_or_undefined : - ts.Diagnostics.Object_is_possibly_undefined : - ts.Diagnostics.Object_is_possibly_null); + function isContextSensitiveFunctionOrObjectLiteralMethod(func) { + return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func); + } + function getTypeWithoutSignatures(type) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.constructSignatures.length) { + var result = createObjectType(16, type.symbol); + result.members = resolved.members; + result.properties = resolved.properties; + result.callSignatures = emptyArray; + result.constructSignatures = emptyArray; + type = result; } - return getNonNullableType(type); } return type; } - function checkPropertyAccessExpression(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); + function isTypeIdenticalTo(source, target) { + return isTypeRelatedTo(source, target, identityRelation); } - function checkQualifiedName(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + function compareTypesIdentical(source, target) { + return isTypeRelatedTo(source, target, identityRelation) ? -1 : 0; } - function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { - var type = checkNonNullExpression(left); - if (isTypeAny(type) || type === silentNeverType) { - return type; + function compareTypesAssignable(source, target) { + return isTypeRelatedTo(source, target, assignableRelation) ? -1 : 0; + } + function isTypeSubtypeOf(source, target) { + return isTypeRelatedTo(source, target, subtypeRelation); + } + function isTypeAssignableTo(source, target) { + return isTypeRelatedTo(source, target, assignableRelation); + } + function isTypeInstanceOf(source, target) { + return source === target || isTypeSubtypeOf(source, target) && !isTypeIdenticalTo(source, target); + } + function isTypeComparableTo(source, target) { + return isTypeRelatedTo(source, target, comparableRelation); + } + function areTypesComparable(type1, type2) { + return isTypeComparableTo(type1, type2) || isTypeComparableTo(type2, type1); + } + function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeComparableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, comparableRelation, errorNode, headMessage, containingMessageChain); + } + function isSignatureAssignableTo(source, target, ignoreReturnTypes) { + return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; + } + function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { + if (source === target) { + return -1; } - var apparentType = getApparentType(getWidenedType(type)); - if (apparentType === unknownType || (type.flags & 16384 && isTypeAny(apparentType))) { - return apparentType; + if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { + return 0; } - var prop = getPropertyOfType(apparentType, right.text); - if (!prop) { - if (right.text && !checkAndReportErrorForExtendingInterface(node)) { - reportNonexistentProperty(right, type.flags & 16384 && type.isThisType ? apparentType : type); + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + var sourceThisType = getThisTypeOfSignature(source); + if (sourceThisType && sourceThisType !== voidType) { + var targetThisType = getThisTypeOfSignature(target); + if (targetThisType) { + var related = compareTypes(sourceThisType, targetThisType, false) + || compareTypes(targetThisType, sourceThisType, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.The_this_types_of_each_signature_are_incompatible); + } + return 0; + } + result &= related; } - return unknownType; } - if (noUnusedIdentifiers && - (prop.flags & 106500) && - prop.valueDeclaration && (ts.getModifierFlags(prop.valueDeclaration) & 8)) { - if (prop.flags & 16777216) { - getSymbolLinks(prop).target.isReferenced = true; - } - else { - prop.isReferenced = true; + var sourceMax = getNumNonRestParameters(source); + var targetMax = getNumNonRestParameters(target); + var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); + var sourceParams = source.parameters; + var targetParams = target.parameters; + for (var i = 0; i < checkCount; i++) { + var s = i < sourceMax ? getTypeOfParameter(sourceParams[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfParameter(targetParams[i]) : getRestTypeOfSignature(target); + var related = compareTypes(s, t, false) || compareTypes(t, s, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); + } + return 0; } + result &= related; } - getNodeLinks(node).resolvedSymbol = prop; - if (prop.parent && prop.parent.flags & 32) { - checkClassPropertyAccess(node, left, apparentType, prop); - } - var propType = getTypeOfSymbol(prop); - if (node.kind !== 173 || ts.isAssignmentTarget(node) || - !(prop.flags & (3 | 4 | 98304)) && - !(prop.flags & 8192 && propType.flags & 524288)) { - return propType; - } - return getFlowTypeOfReference(node, propType, true, undefined); - function reportNonexistentProperty(propNode, containingType) { - var errorInfo; - if (containingType.flags & 524288 && !(containingType.flags & 8190)) { - for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { - var subtype = _a[_i]; - if (!getPropertyOfType(subtype, propNode.text)) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(subtype)); - break; + if (!ignoreReturnTypes) { + var targetReturnType = getReturnTypeOfSignature(target); + if (targetReturnType === voidType) { + return result; + } + var sourceReturnType = getReturnTypeOfSignature(source); + if (target.typePredicate) { + if (source.typePredicate) { + result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); + } + else if (ts.isIdentifierTypePredicate(target.typePredicate)) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); } + return 0; } } - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(containingType)); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(propNode, errorInfo)); + else { + result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + } } + return result; } - function isValidPropertyAccess(node, propertyName) { - var left = node.kind === 173 - ? node.expression - : node.left; - var type = checkExpression(left); - if (type !== unknownType && !isTypeAny(type)) { - var prop = getPropertyOfType(getWidenedType(type), propertyName); - if (prop && prop.parent && prop.parent.flags & 32) { - return checkClassPropertyAccess(node, left, type, prop); + function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { + if (source.kind !== target.kind) { + if (reportErrors) { + errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); } + return 0; } - return true; - } - function getForInVariableSymbol(node) { - var initializer = node.initializer; - if (initializer.kind === 220) { - var variable = initializer.declarations[0]; - if (variable && !ts.isBindingPattern(variable.name)) { - return getSymbolOfNode(variable); + if (source.kind === 1) { + var sourceIdentifierPredicate = source; + var targetIdentifierPredicate = target; + if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0; } } - else if (initializer.kind === 70) { - return getResolvedSymbol(initializer); + var related = compareTypes(source.type, target.type, reportErrors); + if (related === 0 && reportErrors) { + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); } - return undefined; - } - function hasNumericPropertyNames(type) { - return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); + return related; } - function isForInVariableForNumericPropertyNames(expr) { - var e = skipParenthesizedNodes(expr); - if (e.kind === 70) { - var symbol = getResolvedSymbol(e); - if (symbol.flags & 3) { - var child = expr; - var node = expr.parent; - while (node) { - if (node.kind === 208 && - child === node.statement && - getForInVariableSymbol(node) === symbol && - hasNumericPropertyNames(checkExpression(node.expression))) { - return true; - } - child = node; - node = node.parent; - } - } + function isImplementationCompatibleWithOverload(implementation, overload) { + var erasedSource = getErasedSignature(implementation); + var erasedTarget = getErasedSignature(overload); + var sourceReturnType = getReturnTypeOfSignature(erasedSource); + var targetReturnType = getReturnTypeOfSignature(erasedTarget); + if (targetReturnType === voidType + || isTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation) + || isTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation)) { + return isSignatureAssignableTo(erasedSource, erasedTarget, true); } return false; } - function checkIndexedAccess(node) { - if (!node.argumentExpression) { - var sourceFile = ts.getSourceFileOfNode(node); - if (node.parent.kind === 176 && node.parent.expression === node) { - var start = ts.skipTrivia(sourceFile.text, node.expression.end); - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + function getNumNonRestParameters(signature) { + var numParams = signature.parameters.length; + return signature.hasRestParameter ? + numParams - 1 : + numParams; + } + function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { + if (source.hasRestParameter === target.hasRestParameter) { + if (source.hasRestParameter) { + return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; } else { - var start = node.end - "]".length; - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + return Math.min(sourceNonRestParamCount, targetNonRestParamCount); } } - var objectType = getApparentType(checkNonNullExpression(node.expression)); - var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; - if (objectType === unknownType || objectType === silentNeverType) { - return objectType; + else { + return source.hasRestParameter ? + targetNonRestParamCount : + sourceNonRestParamCount; } - var isConstEnum = isConstEnumObjectType(objectType); - if (isConstEnum && - (!node.argumentExpression || node.argumentExpression.kind !== 9)) { - error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); - return unknownType; + } + function isEnumTypeRelatedTo(source, target, errorReporter) { + if (source === target) { + return true; } - if (node.argumentExpression) { - var name_16 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); - if (name_16 !== undefined) { - var prop = getPropertyOfType(objectType, name_16); - if (prop) { - getNodeLinks(node).resolvedSymbol = prop; - return getTypeOfSymbol(prop); - } - else if (isConstEnum) { - error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_16, symbolToString(objectType.symbol)); - return unknownType; - } - } + var id = source.id + "," + target.id; + if (enumRelation[id] !== undefined) { + return enumRelation[id]; } - var allowedNullableFlags = strictNullChecks ? 0 : 6144; - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 34 | 340 | 512 | allowedNullableFlags)) { - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | allowedNullableFlags) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { - var numberIndexInfo = getIndexInfoOfType(objectType, 1); - if (numberIndexInfo) { - getNodeLinks(node).resolvedIndexInfo = numberIndexInfo; - return numberIndexInfo.type; + if (source.symbol.name !== target.symbol.name || + !(source.symbol.flags & 256) || !(target.symbol.flags & 256) || + (source.flags & 65536) !== (target.flags & 65536)) { + return enumRelation[id] = false; + } + var targetEnumType = getTypeOfSymbol(target.symbol); + for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { + var property = _a[_i]; + if (property.flags & 8) { + var targetProperty = getPropertyOfType(targetEnumType, property.name); + if (!targetProperty || !(targetProperty.flags & 8)) { + if (errorReporter) { + errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); + } + return enumRelation[id] = false; } } - var stringIndexInfo = getIndexInfoOfType(objectType, 0); - if (stringIndexInfo) { - getNodeLinks(node).resolvedIndexInfo = stringIndexInfo; - return stringIndexInfo.type; + } + return enumRelation[id] = true; + } + function isSimpleTypeRelatedTo(source, target, relation, errorReporter) { + if (target.flags & 8192) + return false; + if (target.flags & 1 || source.flags & 8192) + return true; + if (source.flags & 34 && target.flags & 2) + return true; + if (source.flags & 340 && target.flags & 4) + return true; + if (source.flags & 136 && target.flags & 8) + return true; + if (source.flags & 256 && target.flags & 16 && source.baseType === target) + return true; + if (source.flags & 16 && target.flags & 16 && isEnumTypeRelatedTo(source, target, errorReporter)) + return true; + if (source.flags & 2048 && (!strictNullChecks || target.flags & (2048 | 1024))) + return true; + if (source.flags & 4096 && (!strictNullChecks || target.flags & 4096)) + return true; + if (relation === assignableRelation || relation === comparableRelation) { + if (source.flags & 1) + return true; + if ((source.flags & 4 | source.flags & 64) && target.flags & 272) + return true; + if (source.flags & 256 && + target.flags & 256 && + source.text === target.text && + isEnumTypeRelatedTo(source.baseType, target.baseType, errorReporter)) { + return true; } - if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { - error(node, getIndexTypeOfType(objectType, 1) ? - ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : - ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); + if (source.flags & 256 && + target.flags & 16 && + isEnumTypeRelatedTo(target, source.baseType, errorReporter)) { + return true; } - return anyType; } - error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); - return unknownType; + return false; } - function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { - if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { - return indexArgumentExpression.text; + function isTypeRelatedTo(source, target, relation) { + if (source.flags & 96 && source.flags & 262144) { + source = source.regularType; } - if (indexArgumentExpression.kind === 174 || indexArgumentExpression.kind === 173) { - var value = getConstantValue(indexArgumentExpression); - if (value !== undefined) { - return value.toString(); + if (target.flags & 96 && target.flags & 262144) { + target = target.regularType; + } + if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) { + return true; + } + if (source.flags & 32768 && target.flags & 32768) { + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + return related === 1; } } - if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { - var rightHandSideName = indexArgumentExpression.name.text; - return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + if (source.flags & 245760 || target.flags & 245760) { + return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined); } - return undefined; + return false; } - function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { - if (expressionType === unknownType) { - return false; - } - if (!ts.isWellKnownSymbolSyntactically(expression)) { - return false; + function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { + var errorInfo; + var sourceStack; + var targetStack; + var maybeStack; + var expandingFlags; + var depth = 0; + var overflow = false; + ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); + var result = isRelatedTo(source, target, !!errorNode, headMessage); + if (overflow) { + error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); } - if ((expressionType.flags & 512) === 0) { - if (reportError) { - error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); + else if (errorInfo) { + if (containingMessageChain) { + errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); } - return false; - } - var leftHandSide = expression.expression; - var leftHandSideSymbol = getResolvedSymbol(leftHandSide); - if (!leftHandSideSymbol) { - return false; + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); } - var globalESSymbol = getGlobalESSymbolConstructorSymbol(); - if (!globalESSymbol) { - return false; + return result !== 0; + function reportError(message, arg0, arg1, arg2) { + ts.Debug.assert(!!errorNode); + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); } - if (leftHandSideSymbol !== globalESSymbol) { - if (reportError) { - error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); + function reportRelationError(message, source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if (sourceType === targetType) { + sourceType = typeToString(source, undefined, 128); + targetType = typeToString(target, undefined, 128); } - return false; - } - return true; - } - function resolveUntypedCall(node) { - if (node.kind === 177) { - checkExpression(node.template); + if (!message) { + message = relation === comparableRelation ? + ts.Diagnostics.Type_0_is_not_comparable_to_type_1 : + ts.Diagnostics.Type_0_is_not_assignable_to_type_1; + } + reportError(message, sourceType, targetType); } - else if (node.kind !== 144) { - ts.forEach(node.arguments, function (argument) { - checkExpression(argument); - }); + function tryElaborateErrorsForPrimitivesAndObjects(source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if ((globalStringType === source && stringType === target) || + (globalNumberType === source && numberType === target) || + (globalBooleanType === source && booleanType === target) || + (getGlobalESSymbolType() === source && esSymbolType === target)) { + reportError(ts.Diagnostics._0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible, targetType, sourceType); + } } - return anySignature; - } - function resolveErrorCall(node) { - resolveUntypedCall(node); - return unknownSignature; - } - function reorderCandidates(signatures, result) { - var lastParent; - var lastSymbol; - var cutoffIndex = 0; - var index; - var specializedIndex = -1; - var spliceIndex; - ts.Debug.assert(!result.length); - for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { - var signature = signatures_2[_i]; - var symbol = signature.declaration && getSymbolOfNode(signature.declaration); - var parent_11 = signature.declaration && signature.declaration.parent; - if (!lastSymbol || symbol === lastSymbol) { - if (lastParent && parent_11 === lastParent) { - index++; + function isRelatedTo(source, target, reportErrors, headMessage) { + var result; + if (source.flags & 96 && source.flags & 262144) { + source = source.regularType; + } + if (target.flags & 96 && target.flags & 262144) { + target = target.regularType; + } + if (source === target) + return -1; + if (relation === identityRelation) { + return isIdenticalTo(source, target); + } + if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) + return -1; + if (getObjectFlags(source) & 64 && source.flags & 262144) { + if (hasExcessProperties(source, target, reportErrors)) { + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0; + } + if (target.flags & 196608) { + source = getRegularTypeOfObjectLiteral(source); + } + } + var saveErrorInfo = errorInfo; + if (source.flags & 65536) { + if (relation === comparableRelation) { + result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); } else { - lastParent = parent_11; - index = cutoffIndex; + result = eachTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190)); + } + if (result) { + return result; } } - else { - index = cutoffIndex = result.length; - lastParent = parent_11; + else if (target.flags & 65536) { + if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190) && !(target.flags & 8190))) { + return result; + } } - lastSymbol = symbol; - if (signature.hasLiteralTypes) { - specializedIndex++; - spliceIndex = specializedIndex; - cutoffIndex++; + else if (target.flags & 131072) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; + } + } + else if (source.flags & 131072) { + if (result = someTypeRelatedToType(source, target, false)) { + return result; + } + } + if (source.flags & 16384) { + var constraint = getConstraintOfTypeParameter(source); + if (!constraint || constraint.flags & 1) { + constraint = emptyObjectType; + } + constraint = getTypeWithThisArgument(constraint, source); + var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; + if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { + errorInfo = saveErrorInfo; + return result; + } } else { - spliceIndex = index; + if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { + return result; + } + } + var apparentSource = getApparentType(source); + if (apparentSource.flags & (32768 | 131072) && target.flags & 32768) { + var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190); + if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } } - result.splice(spliceIndex, 0, signature); - } - } - function getSpreadArgumentIndex(args) { - for (var i = 0; i < args.length; i++) { - var arg = args[i]; - if (arg && arg.kind === 192) { - return i; + if (reportErrors) { + if (source.flags & 32768 && target.flags & 8190) { + tryElaborateErrorsForPrimitivesAndObjects(source, target); + } + else if (source.symbol && source.flags & 32768 && globalObjectType === source) { + reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); + } + reportRelationError(headMessage, source, target); } + return 0; } - return -1; - } - function hasCorrectArity(node, args, signature, signatureHelpTrailingComma) { - if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } - var argCount; - var typeArguments; - var callIsIncomplete; - var isDecorator; - var spreadArgIndex = -1; - if (node.kind === 177) { - var tagExpression = node; - argCount = args.length; - typeArguments = undefined; - if (tagExpression.template.kind === 190) { - var templateExpression = tagExpression.template; - var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); - ts.Debug.assert(lastSpan !== undefined); - callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + function isIdenticalTo(source, target) { + var result; + if (source.flags & 32768 && target.flags & 32768) { + if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, false)) { + return result; + } + } + return objectTypeRelatedTo(source, source, target, false); } - else { - var templateLiteral = tagExpression.template; - ts.Debug.assert(templateLiteral.kind === 12); - callIsIncomplete = !!templateLiteral.isUnterminated; + if (source.flags & 65536 && target.flags & 65536 || + source.flags & 131072 && target.flags & 131072) { + if (result = eachTypeRelatedToSomeType(source, target)) { + if (result &= eachTypeRelatedToSomeType(target, source)) { + return result; + } + } } + return 0; } - else if (node.kind === 144) { - isDecorator = true; - typeArguments = undefined; - argCount = getEffectiveArgumentCount(node, undefined, signature); - } - else { - var callExpression = node; - if (!callExpression.arguments) { - ts.Debug.assert(callExpression.kind === 176); - return signature.minArgumentCount === 0; + function isKnownProperty(type, name) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) || + resolved.stringIndexInfo || + (resolved.numberIndexInfo && isNumericLiteralName(name)) || + getPropertyOfType(type, name)) { + return true; + } + } + else if (type.flags & 196608) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isKnownProperty(t, name)) { + return true; + } + } } - argCount = signatureHelpTrailingComma ? args.length + 1 : args.length; - callIsIncomplete = callExpression.arguments.end === callExpression.end; - typeArguments = callExpression.typeArguments; - spreadArgIndex = getSpreadArgumentIndex(args); - } - var hasRightNumberOfTypeArgs = !typeArguments || - (signature.typeParameters && typeArguments.length === signature.typeParameters.length); - if (!hasRightNumberOfTypeArgs) { return false; } - if (spreadArgIndex >= 0) { - return isRestParameterIndex(signature, spreadArgIndex); + function isEmptyObjectType(t) { + return t.properties.length === 0 && + t.callSignatures.length === 0 && + t.constructSignatures.length === 0 && + !t.stringIndexInfo && + !t.numberIndexInfo; } - if (!signature.hasRestParameter && argCount > signature.parameters.length) { + function hasExcessProperties(source, target, reportErrors) { + if (maybeTypeOfKind(target, 32768) && !(getObjectFlags(target) & 256)) { + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (!isKnownProperty(target, prop.name)) { + if (reportErrors) { + ts.Debug.assert(!!errorNode); + errorNode = prop.valueDeclaration; + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + } + return true; + } + } + } return false; } - var hasEnoughArguments = argCount >= signature.minArgumentCount; - return callIsIncomplete || hasEnoughArguments; - } - function getSingleCallSignature(type) { - if (type.flags & 2588672) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && - resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { - return resolved.callSignatures[0]; + function eachTypeRelatedToSomeType(source, target) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { + var sourceType = sourceTypes_1[_i]; + var related = typeRelatedToSomeType(sourceType, target, false); + if (!related) { + return 0; + } + result &= related; } + return result; } - return undefined; - } - function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { - var context = createInferenceContext(signature, true); - forEachMatchingParameterType(contextualSignature, signature, function (source, target) { - inferTypes(context, instantiateType(source, contextualMapper), target); - }); - return getSignatureInstantiation(signature, getInferredTypes(context)); - } - function inferTypeArguments(node, signature, args, excludeArgument, context) { - var typeParameters = signature.typeParameters; - var inferenceMapper = getInferenceMapper(context); - for (var i = 0; i < typeParameters.length; i++) { - if (!context.inferences[i].isFixed) { - context.inferredTypes[i] = undefined; + function typeRelatedToSomeType(source, target, reportErrors) { + var targetTypes = target.types; + if (target.flags & 65536 && containsType(targetTypes, source)) { + return -1; } + var len = targetTypes.length; + for (var i = 0; i < len; i++) { + var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; } - if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { - context.failedTypeParameterIndex = undefined; + function typeRelatedToEachType(source, target, reportErrors) { + var result = -1; + var targetTypes = target.types; + for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { + var targetType = targetTypes_1[_i]; + var related = isRelatedTo(source, targetType, reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; } - var thisType = getThisTypeOfSignature(signature); - if (thisType) { - var thisArgumentNode = getThisArgumentOfCall(node); - var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; - inferTypes(context, thisArgumentType, thisType); + function someTypeRelatedToType(source, target, reportErrors) { + var sourceTypes = source.types; + if (source.flags & 65536 && containsType(sourceTypes, target)) { + return -1; + } + var len = sourceTypes.length; + for (var i = 0; i < len; i++) { + var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; } - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 194) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i); - if (argType === undefined) { - var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; - argType = checkExpressionWithContextualType(arg, paramType, mapper); + function eachTypeRelatedToType(source, target, reportErrors) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { + var sourceType = sourceTypes_2[_i]; + var related = isRelatedTo(sourceType, target, reportErrors); + if (!related) { + return 0; } - inferTypes(context, argType, paramType); + result &= related; } + return result; } - if (excludeArgument) { - for (var i = 0; i < argCount; i++) { - if (excludeArgument[i] === false) { - var arg = args[i]; - var paramType = getTypeAtPosition(signature, i); - inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + function typeArgumentsRelatedTo(source, target, reportErrors) { + var sources = source.typeArguments || emptyArray; + var targets = target.typeArguments || emptyArray; + if (sources.length !== targets.length && relation === identityRelation) { + return 0; + } + var length = sources.length <= targets.length ? sources.length : targets.length; + var result = -1; + for (var i = 0; i < length; i++) { + var related = isRelatedTo(sources[i], targets[i], reportErrors); + if (!related) { + return 0; } + result &= related; } + return result; } - getInferredTypes(context); - } - function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { - var typeParameters = signature.typeParameters; - var typeArgumentsAreAssignable = true; - var mapper; - for (var i = 0; i < typeParameters.length; i++) { - if (typeArgumentsAreAssignable) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - var errorInfo = void 0; - var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; - if (reportErrors && headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); - typeArgumentHeadMessage = headMessage; + function objectTypeRelatedTo(source, originalSource, target, reportErrors) { + if (overflow) { + return 0; + } + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + if (reportErrors && related === 2) { + relation[id] = 3; + } + else { + return related === 1 ? -1 : 0; + } + } + if (depth > 0) { + for (var i = 0; i < depth; i++) { + if (maybeStack[i][id]) { + return 1; } - if (!mapper) { - mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + if (depth === 100) { + overflow = true; + return 0; + } + } + else { + sourceStack = []; + targetStack = []; + maybeStack = []; + expandingFlags = 0; + } + sourceStack[depth] = source; + targetStack[depth] = target; + maybeStack[depth] = ts.createMap(); + maybeStack[depth][id] = 1; + depth++; + var saveExpandingFlags = expandingFlags; + if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) + expandingFlags |= 1; + if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) + expandingFlags |= 2; + var result; + if (expandingFlags === 3) { + result = 1; + } + else { + result = propertiesRelatedTo(source, target, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 0, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 1, reportErrors); + if (result) { + result &= indexTypesRelatedTo(source, originalSource, target, 0, reportErrors); + if (result) { + result &= indexTypesRelatedTo(source, originalSource, target, 1, reportErrors); + } + } } - var typeArgument = typeArgumentTypes[i]; - typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); } } - } - return typeArgumentsAreAssignable; - } - function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { - var thisType = getThisTypeOfSignature(signature); - if (thisType && thisType !== voidType && node.kind !== 176) { - var thisArgumentNode = getThisArgumentOfCall(node); - var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; - var errorNode = reportErrors ? (thisArgumentNode || node) : undefined; - var headMessage_1 = ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1; - if (!checkTypeRelatedTo(thisArgumentType, getThisTypeOfSignature(signature), relation, errorNode, headMessage_1)) { - return false; + expandingFlags = saveExpandingFlags; + depth--; + if (result) { + var maybeCache = maybeStack[depth]; + var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; + ts.copyProperties(maybeCache, destinationCache); } + else { + relation[id] = reportErrors ? 3 : 2; + } + return result; } - var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 194) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i); - if (argType === undefined) { - argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); - } - var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; - if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { - return false; + function propertiesRelatedTo(source, target, reportErrors) { + if (relation === identityRelation) { + return propertiesIdenticalTo(source, target); + } + var result = -1; + var properties = getPropertiesOfObjectType(target); + var requireOptionalProperties = relation === subtypeRelation && !(getObjectFlags(source) & 64); + for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { + var targetProp = properties_2[_i]; + var sourceProp = getPropertyOfType(source, targetProp.name); + if (sourceProp !== targetProp) { + if (!sourceProp) { + if (!(targetProp.flags & 536870912) || requireOptionalProperties) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); + } + return 0; + } + } + else if (!(targetProp.flags & 134217728)) { + var sourcePropFlags = getDeclarationModifierFlagsFromSymbol(sourceProp); + var targetPropFlags = getDeclarationModifierFlagsFromSymbol(targetProp); + if (sourcePropFlags & 8 || targetPropFlags & 8) { + if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { + if (reportErrors) { + if (sourcePropFlags & 8 && targetPropFlags & 8) { + reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); + } + else { + reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 8 ? source : target), typeToString(sourcePropFlags & 8 ? target : source)); + } + } + return 0; + } + } + else if (targetPropFlags & 16) { + var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; + var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; + var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); + if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); + } + return 0; + } + } + else if (sourcePropFlags & 16) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); + } + return 0; + } + result &= related; + if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + } } } + return result; } - return true; - } - function getThisArgumentOfCall(node) { - if (node.kind === 175) { - var callee = node.expression; - if (callee.kind === 173) { - return callee.expression; + function propertiesIdenticalTo(source, target) { + if (!(source.flags & 32768 && target.flags & 32768)) { + return 0; } - else if (callee.kind === 174) { - return callee.expression; + var sourceProperties = getPropertiesOfObjectType(source); + var targetProperties = getPropertiesOfObjectType(target); + if (sourceProperties.length !== targetProperties.length) { + return 0; } - } - } - function getEffectiveCallArguments(node) { - var args; - if (node.kind === 177) { - var template = node.template; - args = [undefined]; - if (template.kind === 190) { - ts.forEach(template.templateSpans, function (span) { - args.push(span.expression); - }); + var result = -1; + for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { + var sourceProp = sourceProperties_1[_i]; + var targetProp = getPropertyOfObjectType(target, sourceProp.name); + if (!targetProp) { + return 0; + } + var related = compareProperties(sourceProp, targetProp, isRelatedTo); + if (!related) { + return 0; + } + result &= related; } + return result; } - else if (node.kind === 144) { - return undefined; - } - else { - args = node.arguments || emptyArray; - } - return args; - } - function getEffectiveArgumentCount(node, args, signature) { - if (node.kind === 144) { - switch (node.parent.kind) { - case 222: - case 193: - return 1; - case 146: - return 2; - case 148: - case 150: - case 151: - if (languageVersion === 0) { - return 2; + function signaturesRelatedTo(source, target, kind, reportErrors) { + if (relation === identityRelation) { + return signaturesIdenticalTo(source, target, kind); + } + if (target === anyFunctionType || source === anyFunctionType) { + return -1; + } + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (kind === 1 && sourceSignatures.length && targetSignatures.length) { + if (isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); } - return signature.parameters.length >= 3 ? 3 : 2; - case 143: - return 3; + return 0; + } + if (!constructorVisibilitiesAreCompatible(sourceSignatures[0], targetSignatures[0], reportErrors)) { + return 0; + } } - } - else { - return args.length; - } - } - function getEffectiveDecoratorFirstArgumentType(node) { - if (node.kind === 222) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - if (node.kind === 143) { - node = node.parent; - if (node.kind === 149) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); + var result = -1; + var saveErrorInfo = errorInfo; + outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { + var t = targetSignatures_1[_i]; + var shouldElaborateErrors = reportErrors; + for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { + var s = sourceSignatures_1[_a]; + var related = signatureRelatedTo(s, t, shouldElaborateErrors); + if (related) { + result &= related; + errorInfo = saveErrorInfo; + continue outer; + } + shouldElaborateErrors = false; + } + if (shouldElaborateErrors) { + reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); + } + return 0; } + return result; } - if (node.kind === 146 || - node.kind === 148 || - node.kind === 150 || - node.kind === 151) { - return getParentTypeOfClassElement(node); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorSecondArgumentType(node) { - if (node.kind === 222) { - ts.Debug.fail("Class decorators should not have a second synthetic argument."); - return unknownType; + function signatureRelatedTo(source, target, reportErrors) { + return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); } - if (node.kind === 143) { - node = node.parent; - if (node.kind === 149) { - return anyType; + function signaturesIdenticalTo(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (sourceSignatures.length !== targetSignatures.length) { + return 0; + } + var result = -1; + for (var i = 0, len = sourceSignatures.length; i < len; i++) { + var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, false, isRelatedTo); + if (!related) { + return 0; + } + result &= related; } + return result; } - if (node.kind === 146 || - node.kind === 148 || - node.kind === 150 || - node.kind === 151) { - var element = node; - switch (element.name.kind) { - case 70: - case 8: - case 9: - return getLiteralTypeForText(32, element.name.text); - case 141: - var nameType = checkComputedPropertyName(element.name); - if (isTypeOfKind(nameType, 512)) { - return nameType; - } - else { - return stringType; + function eachPropertyRelatedTo(source, target, kind, reportErrors) { + var result = -1; + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (kind === 0 || isNumericLiteralName(prop.name)) { + var related = isRelatedTo(getTypeOfSymbol(prop), target, reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_incompatible_with_index_signature, symbolToString(prop)); + } + return 0; } - default: - ts.Debug.fail("Unsupported property name."); - return unknownType; + result &= related; + } } + return result; } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorThirdArgumentType(node) { - if (node.kind === 222) { - ts.Debug.fail("Class decorators should not have a third synthetic argument."); - return unknownType; + function indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors) { + var related = isRelatedTo(sourceInfo.type, targetInfo.type, reportErrors); + if (!related && reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return related; } - if (node.kind === 143) { - return numberType; + function indexTypesRelatedTo(source, originalSource, target, kind, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(source, target, kind); + } + var targetInfo = getIndexInfoOfType(target, kind); + if (!targetInfo || ((targetInfo.type.flags & 1) && !(originalSource.flags & 8190))) { + return -1; + } + var sourceInfo = getIndexInfoOfType(source, kind) || + kind === 1 && getIndexInfoOfType(source, 0); + if (sourceInfo) { + return indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors); + } + if (isObjectLiteralType(source)) { + var related = -1; + if (kind === 0) { + var sourceNumberInfo = getIndexInfoOfType(source, 1); + if (sourceNumberInfo) { + related = indexInfoRelatedTo(sourceNumberInfo, targetInfo, reportErrors); + } + } + if (related) { + related &= eachPropertyRelatedTo(source, targetInfo.type, kind, reportErrors); + } + return related; + } + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0; } - if (node.kind === 146) { - ts.Debug.fail("Property decorators should not have a third synthetic argument."); - return unknownType; + function indexTypesIdenticalTo(source, target, indexKind) { + var targetInfo = getIndexInfoOfType(target, indexKind); + var sourceInfo = getIndexInfoOfType(source, indexKind); + if (!sourceInfo && !targetInfo) { + return -1; + } + if (sourceInfo && targetInfo && sourceInfo.isReadonly === targetInfo.isReadonly) { + return isRelatedTo(sourceInfo.type, targetInfo.type); + } + return 0; } - if (node.kind === 148 || - node.kind === 150 || - node.kind === 151) { - var propertyType = getTypeOfNode(node); - return createTypedPropertyDescriptorType(propertyType); + function constructorVisibilitiesAreCompatible(sourceSignature, targetSignature, reportErrors) { + if (!sourceSignature.declaration || !targetSignature.declaration) { + return true; + } + var sourceAccessibility = ts.getModifierFlags(sourceSignature.declaration) & 24; + var targetAccessibility = ts.getModifierFlags(targetSignature.declaration) & 24; + if (targetAccessibility === 8) { + return true; + } + if (targetAccessibility === 16 && sourceAccessibility !== 8) { + return true; + } + if (targetAccessibility !== 16 && !sourceAccessibility) { + return true; + } + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_a_0_constructor_type_to_a_1_constructor_type, visibilityToString(sourceAccessibility), visibilityToString(targetAccessibility)); + } + return false; } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; } - function getEffectiveDecoratorArgumentType(node, argIndex) { - if (argIndex === 0) { - return getEffectiveDecoratorFirstArgumentType(node.parent); - } - else if (argIndex === 1) { - return getEffectiveDecoratorSecondArgumentType(node.parent); - } - else if (argIndex === 2) { - return getEffectiveDecoratorThirdArgumentType(node.parent); + function isAbstractConstructorType(type) { + if (getObjectFlags(type) & 16) { + var symbol = type.symbol; + if (symbol && symbol.flags & 32) { + var declaration = getClassLikeDeclarationOfSymbol(symbol); + if (declaration && ts.getModifierFlags(declaration) & 128) { + return true; + } + } } - ts.Debug.fail("Decorators should not have a fourth synthetic argument."); - return unknownType; + return false; } - function getEffectiveArgumentType(node, argIndex) { - if (node.kind === 144) { - return getEffectiveDecoratorArgumentType(node, argIndex); - } - else if (argIndex === 0 && node.kind === 177) { - return getGlobalTemplateStringsArrayType(); + function isDeeplyNestedGeneric(type, stack, depth) { + if (getObjectFlags(type) & (4 | 32) && depth >= 5) { + var symbol = type.symbol; + var count = 0; + for (var i = 0; i < depth; i++) { + var t = stack[i]; + if (getObjectFlags(t) & (4 | 32) && t.symbol === symbol) { + count++; + if (count >= 5) + return true; + } + } } - return undefined; + return false; } - function getEffectiveArgument(node, args, argIndex) { - if (node.kind === 144 || - (argIndex === 0 && node.kind === 177)) { - return undefined; - } - return args[argIndex]; + function isPropertyIdenticalTo(sourceProp, targetProp) { + return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; } - function getEffectiveArgumentErrorNode(node, argIndex, arg) { - if (node.kind === 144) { - return node.expression; - } - else if (argIndex === 0 && node.kind === 177) { - return node.template; + function compareProperties(sourceProp, targetProp, compareTypes) { + if (sourceProp === targetProp) { + return -1; } - else { - return arg; + var sourcePropAccessibility = getDeclarationModifierFlagsFromSymbol(sourceProp) & 24; + var targetPropAccessibility = getDeclarationModifierFlagsFromSymbol(targetProp) & 24; + if (sourcePropAccessibility !== targetPropAccessibility) { + return 0; } - } - function resolveCall(node, signatures, candidatesOutArray, headMessage) { - var isTaggedTemplate = node.kind === 177; - var isDecorator = node.kind === 144; - var typeArguments; - if (!isTaggedTemplate && !isDecorator) { - typeArguments = node.typeArguments; - if (node.expression.kind !== 96) { - ts.forEach(typeArguments, checkSourceElement); + if (sourcePropAccessibility) { + if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { + return 0; } } - var candidates = candidatesOutArray || []; - reorderCandidates(signatures, candidates); - if (!candidates.length) { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - return resolveErrorCall(node); - } - var args = getEffectiveCallArguments(node); - var excludeArgument; - if (!isDecorator) { - for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { - if (isContextSensitive(args[i])) { - if (!excludeArgument) { - excludeArgument = new Array(args.length); - } - excludeArgument[i] = true; - } + else { + if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { + return 0; } } - var candidateForArgumentError; - var candidateForTypeArgumentError; - var resultOfFailedInference; - var result; - var signatureHelpTrailingComma = candidatesOutArray && node.kind === 175 && node.arguments.hasTrailingComma; - if (candidates.length > 1) { - result = chooseOverload(candidates, subtypeRelation, signatureHelpTrailingComma); + if (isReadonlySymbol(sourceProp) !== isReadonlySymbol(targetProp)) { + return 0; } - if (!result) { - candidateForArgumentError = undefined; - candidateForTypeArgumentError = undefined; - resultOfFailedInference = undefined; - result = chooseOverload(candidates, assignableRelation, signatureHelpTrailingComma); + return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + function isMatchingSignature(source, target, partialMatch) { + if (source.parameters.length === target.parameters.length && + source.minArgumentCount === target.minArgumentCount && + source.hasRestParameter === target.hasRestParameter) { + return true; } - if (result) { - return result; + var sourceRestCount = source.hasRestParameter ? 1 : 0; + var targetRestCount = target.hasRestParameter ? 1 : 0; + if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (sourceRestCount > targetRestCount || + sourceRestCount === targetRestCount && source.parameters.length >= target.parameters.length)) { + return true; } - if (candidateForArgumentError) { - checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); + return false; + } + function compareSignaturesIdentical(source, target, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypes) { + if (source === target) { + return -1; } - else if (candidateForTypeArgumentError) { - if (!isTaggedTemplate && !isDecorator && typeArguments) { - var typeArguments_2 = node.typeArguments; - checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNodeNoAlias), true, headMessage); - } - else { - ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); - var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; - var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); - var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); - if (headMessage) { - diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); - } - reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); - } + if (!(isMatchingSignature(source, target, partialMatch))) { + return 0; } - else { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { + return 0; } - if (!produceDiagnostics) { - for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { - var candidate = candidates_1[_i]; - if (hasCorrectArity(node, args, candidate)) { - if (candidate.typeParameters && typeArguments) { - candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNodeNoAlias)); + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + if (!ignoreThisTypes) { + var sourceThisType = getThisTypeOfSignature(source); + if (sourceThisType) { + var targetThisType = getThisTypeOfSignature(target); + if (targetThisType) { + var related = compareTypes(sourceThisType, targetThisType); + if (!related) { + return 0; } - return candidate; + result &= related; } } } - return resolveErrorCall(node); - function reportError(message, arg0, arg1, arg2) { - var errorInfo; - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - if (headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + var targetLen = target.parameters.length; + for (var i = 0; i < targetLen; i++) { + var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfParameter(source.parameters[i]); + var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfParameter(target.parameters[i]); + var related = compareTypes(s, t); + if (!related) { + return 0; } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + result &= related; } - function chooseOverload(candidates, relation, signatureHelpTrailingComma) { - if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } - for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { - var originalCandidate = candidates_2[_i]; - if (!hasCorrectArity(node, args, originalCandidate, signatureHelpTrailingComma)) { - continue; - } - var candidate = void 0; - var typeArgumentsAreValid = void 0; - var inferenceContext = originalCandidate.typeParameters - ? createInferenceContext(originalCandidate, false) - : undefined; - while (true) { - candidate = originalCandidate; - if (candidate.typeParameters) { - var typeArgumentTypes = void 0; - if (typeArguments) { - typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNodeNoAlias); - typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); - } - else { - inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); - typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; - typeArgumentTypes = inferenceContext.inferredTypes; - } - if (!typeArgumentsAreValid) { - break; - } - candidate = getSignatureInstantiation(candidate, typeArgumentTypes); - } - if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { - break; - } - var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; - if (index < 0) { - return candidate; - } - excludeArgument[index] = false; - } - if (originalCandidate.typeParameters) { - var instantiatedCandidate = candidate; - if (typeArgumentsAreValid) { - candidateForArgumentError = instantiatedCandidate; - } - else { - candidateForTypeArgumentError = originalCandidate; - if (!typeArguments) { - resultOfFailedInference = inferenceContext; - } - } - } - else { - ts.Debug.assert(originalCandidate === candidate); - candidateForArgumentError = originalCandidate; - } - } - return undefined; + if (!ignoreReturnTypes) { + result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); } + return result; } - function resolveCallExpression(node, candidatesOutArray) { - if (node.expression.kind === 96) { - var superType = checkSuperExpression(node.expression); - if (superType !== unknownType) { - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); - if (baseTypeNode) { - var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); - return resolveCall(node, baseConstructors, candidatesOutArray); - } + function isRestParameterIndex(signature, parameterIndex) { + return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; + } + function isSupertypeOfEach(candidate, types) { + for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { + var t = types_7[_i]; + if (candidate !== t && !isTypeSubtypeOf(t, candidate)) + return false; + } + return true; + } + function literalTypesWithSameBaseType(types) { + var commonBaseType; + for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { + var t = types_8[_i]; + var baseType = getBaseTypeOfLiteralType(t); + if (!commonBaseType) { + commonBaseType = baseType; + } + if (baseType === t || baseType !== commonBaseType) { + return false; } - return resolveUntypedCall(node); } - var funcType = checkNonNullExpression(node.expression); - if (funcType === silentNeverType) { - return silentNeverSignature; + return true; + } + function getSupertypeOrUnion(types) { + return literalTypesWithSameBaseType(types) ? getUnionType(types) : ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); + } + function getCommonSupertype(types) { + if (!strictNullChecks) { + return getSupertypeOrUnion(types); } - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); + var primaryTypes = ts.filter(types, function (t) { return !(t.flags & 6144); }); + if (!primaryTypes.length) { + return getUnionType(types, true); } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { - if (funcType !== unknownType && node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + var supertype = getSupertypeOrUnion(primaryTypes); + return supertype && includeFalsyTypes(supertype, getFalsyFlagsOfTypes(types) & 6144); + } + function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { + var bestSupertype; + var bestSupertypeDownfallType; + var bestSupertypeScore = 0; + for (var i = 0; i < types.length; i++) { + var score = 0; + var downfallType = undefined; + for (var j = 0; j < types.length; j++) { + if (isTypeSubtypeOf(types[j], types[i])) { + score++; + } + else if (!downfallType) { + downfallType = types[j]; + } } - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - if (constructSignatures.length) { - error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); + if (score > bestSupertypeScore) { + bestSupertype = types[i]; + bestSupertypeDownfallType = downfallType; + bestSupertypeScore = score; } - else { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + if (bestSupertypeScore === types.length - 1) { + break; } - return resolveErrorCall(node); } - return resolveCall(node, callSignatures, candidatesOutArray); + checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); + } + function isArrayType(type) { + return getObjectFlags(type) & 4 && type.target === globalArrayType; + } + function isArrayLikeType(type) { + return getObjectFlags(type) & 4 && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || + !(type.flags & 6144) && isTypeAssignableTo(type, anyReadonlyArrayType); + } + function isTupleLikeType(type) { + return !!getPropertyOfType(type, "0"); + } + function isUnitType(type) { + return (type.flags & (480 | 2048 | 4096)) !== 0; + } + function isLiteralType(type) { + return type.flags & 8 ? true : + type.flags & 65536 ? type.flags & 16 ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : + isUnitType(type); + } + function getBaseTypeOfLiteralType(type) { + return type.flags & 32 ? stringType : + type.flags & 64 ? numberType : + type.flags & 128 ? booleanType : + type.flags & 256 ? type.baseType : + type.flags & 65536 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : + type; + } + function getWidenedLiteralType(type) { + return type.flags & 32 && type.flags & 262144 ? stringType : + type.flags & 64 && type.flags & 262144 ? numberType : + type.flags & 128 ? booleanType : + type.flags & 256 ? type.baseType : + type.flags & 65536 && !(type.flags & 16) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : + type; + } + function isTupleType(type) { + return !!(getObjectFlags(type) & 4 && type.target.objectFlags & 8); } - function isUntypedFunctionCall(funcType, apparentFuncType, numCallSignatures, numConstructSignatures) { - if (isTypeAny(funcType)) { - return true; - } - if (isTypeAny(apparentFuncType) && funcType.flags & 16384) { - return true; + function getFalsyFlagsOfTypes(types) { + var result = 0; + for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { + var t = types_9[_i]; + result |= getFalsyFlags(t); } - if (!numCallSignatures && !numConstructSignatures) { - if (funcType.flags & 524288) { - return false; - } - return isTypeAssignableTo(funcType, globalFunctionType); + return result; + } + function getFalsyFlags(type) { + return type.flags & 65536 ? getFalsyFlagsOfTypes(type.types) : + type.flags & 32 ? type.text === "" ? 32 : 0 : + type.flags & 64 ? type.text === "0" ? 64 : 0 : + type.flags & 128 ? type === falseType ? 128 : 0 : + type.flags & 7406; + } + function includeFalsyTypes(type, flags) { + if ((getFalsyFlags(type) & flags) === flags) { + return type; } - return false; + var types = [type]; + if (flags & 34) + types.push(emptyStringType); + if (flags & 340) + types.push(zeroType); + if (flags & 136) + types.push(falseType); + if (flags & 1024) + types.push(voidType); + if (flags & 2048) + types.push(undefinedType); + if (flags & 4096) + types.push(nullType); + return getUnionType(types, true); } - function resolveNewExpression(node, candidatesOutArray) { - if (node.arguments && languageVersion < 1) { - var spreadIndex = getSpreadArgumentIndex(node.arguments); - if (spreadIndex >= 0) { - error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); - } + function removeDefinitelyFalsyTypes(type) { + return getFalsyFlags(type) & 7392 ? + filterType(type, function (t) { return !(getFalsyFlags(t) & 7392); }) : + type; + } + function getNonNullableType(type) { + return strictNullChecks ? getTypeWithFacts(type, 524288) : type; + } + function isObjectLiteralType(type) { + return type.symbol && (type.symbol.flags & (4096 | 2048)) !== 0 && + getSignaturesOfType(type, 0).length === 0 && + getSignaturesOfType(type, 1).length === 0; + } + function createTransientSymbol(source, type) { + var symbol = createSymbol(source.flags | 67108864, source.name); + symbol.declarations = source.declarations; + symbol.parent = source.parent; + symbol.type = type; + symbol.target = source; + if (source.valueDeclaration) { + symbol.valueDeclaration = source.valueDeclaration; } - var expressionType = checkNonNullExpression(node.expression); - if (expressionType === silentNeverType) { - return silentNeverSignature; + return symbol; + } + function transformTypeOfMembers(type, f) { + var members = ts.createMap(); + for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) { + var property = _a[_i]; + var original = getTypeOfSymbol(property); + var updated = f(original); + members[property.name] = updated === original ? property : createTransientSymbol(property, updated); } - expressionType = getApparentType(expressionType); - if (expressionType === unknownType) { - return resolveErrorCall(node); + ; + return members; + } + function getRegularTypeOfObjectLiteral(type) { + if (!(getObjectFlags(type) & 64 && type.flags & 262144)) { + return type; } - var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); - if (valueDecl && ts.getModifierFlags(valueDecl) & 128) { - error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); - return resolveErrorCall(node); + var regularType = type.regularType; + if (regularType) { + return regularType; } - if (isTypeAny(expressionType)) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + var resolved = type; + var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); + var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo); + regularNew.flags = resolved.flags & ~262144; + regularNew.objectFlags |= 64; + type.regularType = regularNew; + return regularNew; + } + function getWidenedTypeOfObjectLiteral(type) { + var members = transformTypeOfMembers(type, function (prop) { + var widened = getWidenedType(prop); + return prop === widened ? prop : widened; + }); + var stringIndexInfo = getIndexInfoOfType(type, 0); + var numberIndexInfo = getIndexInfoOfType(type, 1); + return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly)); + } + function getWidenedConstituentType(type) { + return type.flags & 6144 ? type : getWidenedType(type); + } + function getWidenedType(type) { + if (type.flags & 1572864) { + if (type.flags & 6144) { + return anyType; } - return resolveUntypedCall(node); - } - var constructSignatures = getSignaturesOfType(expressionType, 1); - if (constructSignatures.length) { - if (!isConstructorAccessible(node, constructSignatures[0])) { - return resolveErrorCall(node); + if (getObjectFlags(type) & 64) { + return getWidenedTypeOfObjectLiteral(type); } - return resolveCall(node, constructSignatures, candidatesOutArray); - } - var callSignatures = getSignaturesOfType(expressionType, 0); - if (callSignatures.length) { - var signature = resolveCall(node, callSignatures, candidatesOutArray); - if (getReturnTypeOfSignature(signature) !== voidType) { - error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); + if (type.flags & 65536) { + return getUnionType(ts.sameMap(type.types, getWidenedConstituentType)); } - if (getThisTypeOfSignature(signature) === voidType) { - error(node, ts.Diagnostics.A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void); + if (isArrayType(type) || isTupleType(type)) { + return createTypeReference(type.target, ts.sameMap(type.typeArguments, getWidenedType)); } - return signature; } - error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); - return resolveErrorCall(node); + return type; } - function isConstructorAccessible(node, signature) { - if (!signature || !signature.declaration) { - return true; + function reportWideningErrorsInType(type) { + var errorReported = false; + if (type.flags & 65536) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } } - var declaration = signature.declaration; - var modifiers = ts.getModifierFlags(declaration); - if (!(modifiers & 24)) { - return true; + if (isArrayType(type) || isTupleType(type)) { + for (var _b = 0, _c = type.typeArguments; _b < _c.length; _b++) { + var t = _c[_b]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } } - var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(declaration.parent.symbol); - var declaringClass = getDeclaredTypeOfSymbol(declaration.parent.symbol); - if (!isNodeWithinClass(node, declaringClassDeclaration)) { - var containingClass = ts.getContainingClass(node); - if (containingClass) { - var containingType = getTypeOfNode(containingClass); - var baseTypes = getBaseTypes(containingType); - if (baseTypes.length) { - var baseType = baseTypes[0]; - if (modifiers & 16 && - baseType.symbol === declaration.parent.symbol) { - return true; + if (getObjectFlags(type) & 64) { + for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (t.flags & 524288) { + if (!reportWideningErrorsInType(t)) { + error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); } + errorReported = true; } } - if (modifiers & 8) { - error(node, ts.Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); - } - if (modifiers & 16) { - error(node, ts.Diagnostics.Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); - } - return false; - } - return true; - } - function resolveTaggedTemplateExpression(node, candidatesOutArray) { - var tagType = checkExpression(node.tag); - var apparentType = getApparentType(tagType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isUntypedFunctionCall(tagType, apparentType, callSignatures.length, constructSignatures.length)) { - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); - return resolveErrorCall(node); } - return resolveCall(node, callSignatures, candidatesOutArray); + return errorReported; } - function getDiagnosticHeadMessageForDecoratorResolution(node) { - switch (node.parent.kind) { - case 222: - case 193: - return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; - case 143: - return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + function reportImplicitAnyError(declaration, type) { + var typeAsString = typeToString(getWidenedType(type)); + var diagnostic; + switch (declaration.kind) { case 146: - return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 145: + diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; + break; + case 143: + diagnostic = declaration.dotDotDotToken ? + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; + break; + case 170: + diagnostic = ts.Diagnostics.Binding_element_0_implicitly_has_an_1_type; + break; + case 221: case 148: + case 147: case 150: case 151: - return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; + case 180: + case 181: + if (!declaration.name) { + error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + return; + } + diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; + break; + default: + diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; } + error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); } - function resolveDecorator(node, candidatesOutArray) { - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); + function reportErrorsFromWidening(declaration, type) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 524288) { + if (!reportWideningErrorsInType(type)) { + reportImplicitAnyError(declaration, type); + } } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { - return resolveUntypedCall(node); + } + function forEachMatchingParameterType(source, target, callback) { + var sourceMax = source.parameters.length; + var targetMax = target.parameters.length; + var count; + if (source.hasRestParameter && target.hasRestParameter) { + count = Math.max(sourceMax, targetMax); } - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - if (!callSignatures.length) { - var errorInfo = void 0; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - return resolveErrorCall(node); + else if (source.hasRestParameter) { + count = targetMax; } - return resolveCall(node, callSignatures, candidatesOutArray, headMessage); - } - function resolveSignature(node, candidatesOutArray) { - switch (node.kind) { - case 175: - return resolveCallExpression(node, candidatesOutArray); - case 176: - return resolveNewExpression(node, candidatesOutArray); - case 177: - return resolveTaggedTemplateExpression(node, candidatesOutArray); - case 144: - return resolveDecorator(node, candidatesOutArray); + else if (target.hasRestParameter) { + count = sourceMax; } - ts.Debug.fail("Branch in 'resolveSignature' should be unreachable."); - } - function getResolvedSignature(node, candidatesOutArray) { - var links = getNodeLinks(node); - var cached = links.resolvedSignature; - if (cached && cached !== resolvingSignature && !candidatesOutArray) { - return cached; + else { + count = Math.min(sourceMax, targetMax); + } + for (var i = 0; i < count; i++) { + callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i)); } - links.resolvedSignature = resolvingSignature; - var result = resolveSignature(node, candidatesOutArray); - links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached; - return result; } - function getResolvedOrAnySignature(node) { - return getNodeLinks(node).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(node); + function createInferenceContext(signature, inferUnionTypes) { + var inferences = ts.map(signature.typeParameters, createTypeInferencesObject); + return { + signature: signature, + inferUnionTypes: inferUnionTypes, + inferences: inferences, + inferredTypes: new Array(signature.typeParameters.length), + }; } - function getInferredClassType(symbol) { - var links = getSymbolLinks(symbol); - if (!links.inferredClassType) { - links.inferredClassType = createAnonymousType(symbol, symbol.members, emptyArray, emptyArray, undefined, undefined); + function createTypeInferencesObject() { + return { + primary: undefined, + secondary: undefined, + topLevel: true, + isFixed: false, + }; + } + function couldContainTypeParameters(type) { + return !!(type.flags & 16384 || + getObjectFlags(type) & 4 && ts.forEach(type.typeArguments, couldContainTypeParameters) || + getObjectFlags(type) & 16 && type.symbol && type.symbol.flags & (8192 | 2048 | 32) || + type.flags & 196608 && couldUnionOrIntersectionContainTypeParameters(type)); + } + function couldUnionOrIntersectionContainTypeParameters(type) { + if (type.couldContainTypeParameters === undefined) { + type.couldContainTypeParameters = ts.forEach(type.types, couldContainTypeParameters); } - return links.inferredClassType; + return type.couldContainTypeParameters; } - function checkCallExpression(node) { - checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); - var signature = getResolvedSignature(node); - if (node.expression.kind === 96) { - return voidType; + function isTypeParameterAtTopLevel(type, typeParameter) { + return type === typeParameter || type.flags & 196608 && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); + } + function inferTypes(context, originalSource, originalTarget) { + var typeParameters = context.signature.typeParameters; + var sourceStack; + var targetStack; + var depth = 0; + var inferiority = 0; + var visited = ts.createMap(); + inferFromTypes(originalSource, originalTarget); + function isInProcess(source, target) { + for (var i = 0; i < depth; i++) { + if (source === sourceStack[i] && target === targetStack[i]) { + return true; + } + } + return false; } - if (node.kind === 176) { - var declaration = signature.declaration; - if (declaration && - declaration.kind !== 149 && - declaration.kind !== 153 && - declaration.kind !== 158 && - !ts.isJSDocConstructSignature(declaration)) { - var funcSymbol = node.expression.kind === 70 ? - getResolvedSymbol(node.expression) : - checkExpression(node.expression).symbol; - if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { - return getInferredClassType(funcSymbol); + function inferFromTypes(source, target) { + if (!couldContainTypeParameters(target)) { + return; + } + if (source.flags & 65536 && target.flags & 65536 && !(source.flags & 16 && target.flags & 16) || + source.flags & 131072 && target.flags & 131072) { + if (source === target) { + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + inferFromTypes(t, t); + } + return; + } + var matchingTypes = void 0; + for (var _b = 0, _c = source.types; _b < _c.length; _b++) { + var t = _c[_b]; + if (typeIdenticalToSomeType(t, target.types)) { + (matchingTypes || (matchingTypes = [])).push(t); + inferFromTypes(t, t); + } + else if (t.flags & (64 | 32)) { + var b = getBaseTypeOfLiteralType(t); + if (typeIdenticalToSomeType(b, target.types)) { + (matchingTypes || (matchingTypes = [])).push(t, b); + } + } + } + if (matchingTypes) { + source = removeTypesFromUnionOrIntersection(source, matchingTypes); + target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + } + if (target.flags & 16384) { + if (source.flags & 2097152) { + return; + } + for (var i = 0; i < typeParameters.length; i++) { + if (target === typeParameters[i]) { + var inferences = context.inferences[i]; + if (!inferences.isFixed) { + var candidates = inferiority ? + inferences.secondary || (inferences.secondary = []) : + inferences.primary || (inferences.primary = []); + if (!ts.contains(candidates, source)) { + candidates.push(source); + } + if (!isTypeParameterAtTopLevel(originalTarget, target)) { + inferences.topLevel = false; + } + } + return; + } + } + } + else if (getObjectFlags(source) & 4 && getObjectFlags(target) & 4 && source.target === target.target) { + var sourceTypes = source.typeArguments || emptyArray; + var targetTypes = target.typeArguments || emptyArray; + var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; + for (var i = 0; i < count; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (target.flags & 196608) { + var targetTypes = target.types; + var typeParameterCount = 0; + var typeParameter = void 0; + for (var _d = 0, targetTypes_2 = targetTypes; _d < targetTypes_2.length; _d++) { + var t = targetTypes_2[_d]; + if (t.flags & 16384 && ts.contains(typeParameters, t)) { + typeParameter = t; + typeParameterCount++; + } + else { + inferFromTypes(source, t); + } + } + if (typeParameterCount === 1) { + inferiority++; + inferFromTypes(source, typeParameter); + inferiority--; + } + } + else if (source.flags & 196608) { + var sourceTypes = source.types; + for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) { + var sourceType = sourceTypes_3[_e]; + inferFromTypes(sourceType, target); + } + } + else { + source = getApparentType(source); + if (source.flags & 32768) { + if (isInProcess(source, target)) { + return; + } + if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { + return; + } + var key = source.id + "," + target.id; + if (visited[key]) { + return; + } + visited[key] = true; + if (depth === 0) { + sourceStack = []; + targetStack = []; + } + sourceStack[depth] = source; + targetStack[depth] = target; + depth++; + inferFromProperties(source, target); + inferFromSignatures(source, target, 0); + inferFromSignatures(source, target, 1); + inferFromIndexTypes(source, target); + depth--; + } + } + } + function inferFromProperties(source, target) { + var properties = getPropertiesOfObjectType(target); + for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { + var targetProp = properties_3[_i]; + var sourceProp = getPropertyOfObjectType(source, targetProp.name); + if (sourceProp) { + inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + } + } + function inferFromSignatures(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + var sourceLen = sourceSignatures.length; + var targetLen = targetSignatures.length; + var len = sourceLen < targetLen ? sourceLen : targetLen; + for (var i = 0; i < len; i++) { + inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + } + } + function inferFromParameterTypes(source, target) { + return inferFromTypes(source, target); + } + function inferFromSignature(source, target) { + forEachMatchingParameterType(source, target, inferFromParameterTypes); + if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { + inferFromTypes(source.typePredicate.type, target.typePredicate.type); + } + else { + inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + } + function inferFromIndexTypes(source, target) { + var targetStringIndexType = getIndexTypeOfType(target, 0); + if (targetStringIndexType) { + var sourceIndexType = getIndexTypeOfType(source, 0) || + getImplicitIndexTypeOfType(source, 0); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetStringIndexType); } - else if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + var targetNumberIndexType = getIndexTypeOfType(target, 1); + if (targetNumberIndexType) { + var sourceIndexType = getIndexTypeOfType(source, 1) || + getIndexTypeOfType(source, 0) || + getImplicitIndexTypeOfType(source, 1); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetNumberIndexType); } - return anyType; } } - if (ts.isInJavaScriptFile(node) && - ts.isRequireCall(node, true) && - !resolveName(node.expression, node.expression.text, 107455, undefined, undefined)) { - return resolveExternalModuleTypeByLiteral(node.arguments[0]); - } - return getReturnTypeOfSignature(signature); - } - function checkTaggedTemplateExpression(node) { - return getReturnTypeOfSignature(getResolvedSignature(node)); } - function checkAssertion(node) { - var exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(checkExpression(node.expression))); - checkSourceElement(node.type); - var targetType = getTypeFromTypeNode(node.type); - if (produceDiagnostics && targetType !== unknownType) { - var widenedType = getWidenedType(exprType); - if (!isTypeComparableTo(targetType, widenedType)) { - checkTypeComparableTo(exprType, targetType, node, ts.Diagnostics.Type_0_cannot_be_converted_to_type_1); + function typeIdenticalToSomeType(type, types) { + for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { + var t = types_10[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; } } - return targetType; - } - function checkNonNullAssertion(node) { - return getNonNullableType(checkExpression(node.expression)); + return false; } - function getTypeOfParameter(symbol) { - var type = getTypeOfSymbol(symbol); - if (strictNullChecks) { - var declaration = symbol.valueDeclaration; - if (declaration && declaration.initializer) { - return includeFalsyTypes(type, 2048); + function removeTypesFromUnionOrIntersection(type, typesToRemove) { + var reducedTypes = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!typeIdenticalToSomeType(t, typesToRemove)) { + reducedTypes.push(t); } } - return type; + return type.flags & 65536 ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); } - function getTypeAtPosition(signature, pos) { - return signature.hasRestParameter ? - pos < signature.parameters.length - 1 ? getTypeOfParameter(signature.parameters[pos]) : getRestTypeOfSignature(signature) : - pos < signature.parameters.length ? getTypeOfParameter(signature.parameters[pos]) : anyType; + function getInferenceCandidates(context, index) { + var inferences = context.inferences[index]; + return inferences.primary || inferences.secondary || emptyArray; } - function assignContextualParameterTypes(signature, context, mapper) { - var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); - if (isInferentialContext(mapper)) { - for (var i = 0; i < len; i++) { - var declaration = signature.parameters[i].valueDeclaration; - if (declaration.type) { - inferTypes(mapper.context, getTypeFromTypeNode(declaration.type), getTypeAtPosition(context, i)); - } + function hasPrimitiveConstraint(type) { + var constraint = getConstraintOfTypeParameter(type); + return constraint && maybeTypeOfKind(constraint, 8190); + } + function getInferredType(context, index) { + var inferredType = context.inferredTypes[index]; + var inferenceSucceeded; + if (!inferredType) { + var inferences = getInferenceCandidates(context, index); + if (inferences.length) { + var signature = context.signature; + var widenLiteralTypes = context.inferences[index].topLevel && + !hasPrimitiveConstraint(signature.typeParameters[index]) && + (context.inferences[index].isFixed || !isTypeParameterAtTopLevel(getReturnTypeOfSignature(signature), signature.typeParameters[index])); + var baseInferences = widenLiteralTypes ? ts.sameMap(inferences, getWidenedLiteralType) : inferences; + var unionOrSuperType = context.inferUnionTypes ? getUnionType(baseInferences, true) : getCommonSupertype(baseInferences); + inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; + inferenceSucceeded = !!unionOrSuperType; } - } - if (context.thisParameter) { - var parameter = signature.thisParameter; - if (!parameter || parameter.valueDeclaration && !parameter.valueDeclaration.type) { - if (!parameter) { - signature.thisParameter = createTransientSymbol(context.thisParameter, undefined); + else { + inferredType = emptyObjectType; + inferenceSucceeded = true; + } + context.inferredTypes[index] = inferredType; + if (inferenceSucceeded) { + var constraint = getConstraintOfTypeParameter(context.signature.typeParameters[index]); + if (constraint) { + var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); + if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { + context.inferredTypes[index] = inferredType = instantiatedConstraint; + } } - assignTypeToParameterAndFixTypeParameters(signature.thisParameter, getTypeOfSymbol(context.thisParameter), mapper); } - } - for (var i = 0; i < len; i++) { - var parameter = signature.parameters[i]; - if (!parameter.valueDeclaration.type) { - var contextualParameterType = getTypeAtPosition(context, i); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { + context.failedTypeParameterIndex = index; } } - if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { - var parameter = ts.lastOrUndefined(signature.parameters); - if (!parameter.valueDeclaration.type) { - var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } + return inferredType; + } + function getInferredTypes(context) { + for (var i = 0; i < context.inferredTypes.length; i++) { + getInferredType(context, i); + } + return context.inferredTypes; + } + function getResolvedSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + links.resolvedSymbol = !ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node) || unknownSymbol; } + return links.resolvedSymbol; } - function assignBindingElementTypes(node) { - if (ts.isBindingPattern(node.name)) { - for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - if (element.name.kind === 70) { - getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); - } - assignBindingElementTypes(element); - } + function isInTypeQuery(node) { + while (node) { + switch (node.kind) { + case 159: + return true; + case 70: + case 140: + node = node.parent; + continue; + default: + return false; } } + ts.Debug.fail("should not get here"); } - function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { - var links = getSymbolLinks(parameter); - if (!links.type) { - links.type = instantiateType(contextualType, mapper); - if (links.type === emptyObjectType && - (parameter.valueDeclaration.name.kind === 168 || - parameter.valueDeclaration.name.kind === 169)) { - links.type = getTypeFromBindingPattern(parameter.valueDeclaration.name); - } - assignBindingElementTypes(parameter.valueDeclaration); + function getFlowCacheKey(node) { + if (node.kind === 70) { + var symbol = getResolvedSymbol(node); + return symbol !== unknownSymbol ? "" + getSymbolId(symbol) : undefined; } - else if (isInferentialContext(mapper)) { - inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + if (node.kind === 98) { + return "0"; + } + if (node.kind === 173) { + var key = getFlowCacheKey(node.expression); + return key && key + "." + node.name.text; } + return undefined; } - function getReturnTypeFromJSDocComment(func) { - var returnTag = ts.getJSDocReturnTag(func); - if (returnTag && returnTag.typeExpression) { - return getTypeFromTypeNode(returnTag.typeExpression.type); + function getLeftmostIdentifierOrThis(node) { + switch (node.kind) { + case 70: + case 98: + return node; + case 173: + return getLeftmostIdentifierOrThis(node.expression); } return undefined; } - function createPromiseType(promisedType) { - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType !== emptyGenericType) { - promisedType = getAwaitedType(promisedType); - return createTypeReference(globalPromiseType, [promisedType]); + function isMatchingReference(source, target) { + switch (source.kind) { + case 70: + return target.kind === 70 && getResolvedSymbol(source) === getResolvedSymbol(target) || + (target.kind === 219 || target.kind === 170) && + getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(source)) === getSymbolOfNode(target); + case 98: + return target.kind === 98; + case 173: + return target.kind === 173 && + source.name.text === target.name.text && + isMatchingReference(source.expression, target.expression); } - return emptyObjectType; + return false; } - function createPromiseReturnType(func, promisedType) { - var promiseType = createPromiseType(promisedType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; + function containsMatchingReference(source, target) { + while (source.kind === 173) { + source = source.expression; + if (isMatchingReference(source, target)) { + return true; + } } - return promiseType; + return false; } - function getReturnTypeFromBody(func, contextualMapper) { - var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); - if (!func.body) { - return unknownType; + function containsMatchingReferenceDiscriminant(source, target) { + return target.kind === 173 && + containsMatchingReference(source, target.expression) && + isDiscriminantProperty(getDeclaredTypeOfReference(target.expression), target.name.text); + } + function getDeclaredTypeOfReference(expr) { + if (expr.kind === 70) { + return getTypeOfSymbol(getResolvedSymbol(expr)); } - var isAsync = ts.isAsyncFunctionLike(func); - var type; - if (func.body.kind !== 200) { - type = checkExpressionCached(func.body, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } + if (expr.kind === 173) { + var type = getDeclaredTypeOfReference(expr.expression); + return type && getTypeOfPropertyOfType(type, expr.name.text); } - else { - var types = void 0; - var funcIsGenerator = !!func.asteriskToken; - if (funcIsGenerator) { - types = checkAndAggregateYieldOperandTypes(func, contextualMapper); - if (types.length === 0) { - var iterableIteratorAny = createIterableIteratorType(anyType); - if (compilerOptions.noImplicitAny) { - error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); - } - return iterableIteratorAny; - } - } - else { - types = checkAndAggregateReturnExpressionTypes(func, contextualMapper); - if (!types) { - return isAsync ? createPromiseReturnType(func, neverType) : neverType; - } - if (types.length === 0) { - return isAsync ? createPromiseReturnType(func, voidType) : voidType; + return undefined; + } + function isDiscriminantProperty(type, name) { + if (type && type.flags & 65536) { + var prop = getUnionOrIntersectionProperty(type, name); + if (prop && prop.flags & 268435456) { + if (prop.isDiscriminantProperty === undefined) { + prop.isDiscriminantProperty = prop.hasNonUniformType && isLiteralType(getTypeOfSymbol(prop)); } + return prop.isDiscriminantProperty; } - type = getUnionType(types, true); - if (funcIsGenerator) { - type = createIterableIteratorType(type); - } - } - if (!contextualSignature) { - reportErrorsFromWidening(func, type); } - if (isUnitType(type) && - !(contextualSignature && - isLiteralContextualType(contextualSignature === getSignatureFromDeclaration(func) ? type : getReturnTypeOfSignature(contextualSignature)))) { - type = getWidenedLiteralType(type); - } - var widenedType = getWidenedType(type); - return isAsync ? createPromiseReturnType(func, widenedType) : widenedType; + return false; } - function checkAndAggregateYieldOperandTypes(func, contextualMapper) { - var aggregatedTypes = []; - ts.forEachYieldExpression(func.body, function (yieldExpression) { - var expr = yieldExpression.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (yieldExpression.asteriskToken) { - type = checkElementTypeOfIterable(type, yieldExpression.expression); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); + function isOrContainsMatchingReference(source, target) { + return isMatchingReference(source, target) || containsMatchingReference(source, target); + } + function hasMatchingArgument(callExpression, reference) { + if (callExpression.arguments) { + for (var _i = 0, _a = callExpression.arguments; _i < _a.length; _i++) { + var argument = _a[_i]; + if (isOrContainsMatchingReference(reference, argument)) { + return true; } } - }); - return aggregatedTypes; - } - function isExhaustiveSwitchStatement(node) { - if (!node.possiblyExhaustive) { - return false; } - var type = checkExpression(node.expression); - if (!isLiteralType(type)) { - return false; + if (callExpression.expression.kind === 173 && + isOrContainsMatchingReference(reference, callExpression.expression.expression)) { + return true; } - var switchTypes = getSwitchClauseTypes(node); - if (!switchTypes.length) { - return false; + return false; + } + function getFlowNodeId(flow) { + if (!flow.id) { + flow.id = nextFlowId; + nextFlowId++; } - return eachTypeContainedIn(type, switchTypes); + return flow.id; } - function functionHasImplicitReturn(func) { - if (!(func.flags & 128)) { - return false; + function typeMaybeAssignableTo(source, target) { + if (!(source.flags & 65536)) { + return isTypeAssignableTo(source, target); } - var lastStatement = ts.lastOrUndefined(func.body.statements); - if (lastStatement && lastStatement.kind === 214 && isExhaustiveSwitchStatement(lastStatement)) { - return false; + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isTypeAssignableTo(t, target)) { + return true; + } } - return true; + return false; } - function checkAndAggregateReturnExpressionTypes(func, contextualMapper) { - var isAsync = ts.isAsyncFunctionLike(func); - var aggregatedTypes = []; - var hasReturnWithNoExpression = functionHasImplicitReturn(func); - var hasReturnOfTypeNever = false; - ts.forEachReturnStatement(func.body, function (returnStatement) { - var expr = returnStatement.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - if (type.flags & 8192) { - hasReturnOfTypeNever = true; - } - else if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - else { - hasReturnWithNoExpression = true; + function getAssignmentReducedType(declaredType, assignedType) { + if (declaredType !== assignedType) { + if (assignedType.flags & 8192) { + return assignedType; } - }); - if (aggregatedTypes.length === 0 && !hasReturnWithNoExpression && (hasReturnOfTypeNever || - func.kind === 180 || func.kind === 181)) { - return undefined; - } - if (strictNullChecks && aggregatedTypes.length && hasReturnWithNoExpression) { - if (!ts.contains(aggregatedTypes, undefinedType)) { - aggregatedTypes.push(undefinedType); + var reducedType = filterType(declaredType, function (t) { return typeMaybeAssignableTo(assignedType, t); }); + if (!(reducedType.flags & 8192)) { + return reducedType; } } - return aggregatedTypes; + return declaredType; } - function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { - if (!produceDiagnostics) { - return; - } - if (returnType && maybeTypeOfKind(returnType, 1 | 1024)) { - return; - } - if (ts.nodeIsMissing(func.body) || func.body.kind !== 200 || !functionHasImplicitReturn(func)) { - return; - } - var hasExplicitReturn = func.flags & 256; - if (returnType && returnType.flags & 8192) { - error(func.type, ts.Diagnostics.A_function_returning_never_cannot_have_a_reachable_end_point); - } - else if (returnType && !hasExplicitReturn) { - error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); - } - else if (returnType && strictNullChecks && !isTypeAssignableTo(undefinedType, returnType)) { - error(func.type, ts.Diagnostics.Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined); - } - else if (compilerOptions.noImplicitReturns) { - if (!returnType) { - if (!hasExplicitReturn) { - return; - } - var inferredReturnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func)); - if (isUnwrappedReturnTypeVoidOrAny(func, inferredReturnType)) { - return; - } - } - error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); + function getTypeFactsOfTypes(types) { + var result = 0; + for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { + var t = types_11[_i]; + result |= getTypeFacts(t); } + return result; } - function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); - if (!hasGrammarError && node.kind === 180) { - checkGrammarForGenerator(node); + function isFunctionObjectType(type) { + var resolved = resolveStructuredTypeMembers(type); + return !!(resolved.callSignatures.length || resolved.constructSignatures.length || + resolved.members["bind"] && isTypeSubtypeOf(type, globalFunctionType)); + } + function getTypeFacts(type) { + var flags = type.flags; + if (flags & 2) { + return strictNullChecks ? 4079361 : 4194049; } - if (contextualMapper === identityMapper && isContextSensitive(node)) { - checkNodeDeferred(node); - return anyFunctionType; + if (flags & 32) { + return strictNullChecks ? + type.text === "" ? 3030785 : 1982209 : + type.text === "" ? 3145473 : 4194049; } - var links = getNodeLinks(node); - var type = getTypeOfSymbol(node.symbol); - var contextSensitive = isContextSensitive(node); - var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); - if (mightFixTypeParameters || !(links.flags & 1024)) { - var contextualSignature = getContextualSignature(node); - var contextChecked = !!(links.flags & 1024); - if (mightFixTypeParameters || !contextChecked) { - links.flags |= 1024; - if (contextualSignature) { - var signature = getSignaturesOfType(type, 0)[0]; - if (contextSensitive) { - assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); - } - if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { - var returnType = getReturnTypeFromBody(node, contextualMapper); - if (!signature.resolvedReturnType) { - signature.resolvedReturnType = returnType; - } - } - } - if (!contextChecked) { - checkSignatureDeclaration(node); - checkNodeDeferred(node); - } - } + if (flags & (4 | 16)) { + return strictNullChecks ? 4079234 : 4193922; } - if (produceDiagnostics && node.kind !== 148) { - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); + if (flags & (64 | 256)) { + var isZero = type.text === "0"; + return strictNullChecks ? + isZero ? 3030658 : 1982082 : + isZero ? 3145346 : 4193922; } - return type; - } - function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { - ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); - var isAsync = ts.isAsyncFunctionLike(node); - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - if (!node.asteriskToken) { - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + if (flags & 8) { + return strictNullChecks ? 4078980 : 4193668; } - if (node.body) { - if (!node.type) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - if (node.body.kind === 200) { - checkSourceElement(node.body); - } - else { - var exprType = checkExpression(node.body); - if (returnOrPromisedType) { - if (isAsync) { - var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); - checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); - } - else { - checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); - } - } - } - registerForUnusedIdentifiersCheck(node); + if (flags & 136) { + return strictNullChecks ? + type === falseType ? 3030404 : 1981828 : + type === falseType ? 3145092 : 4193668; } - } - function checkArithmeticOperandType(operand, type, diagnostic) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 340)) { - error(operand, diagnostic); - return false; + if (flags & 32768) { + return isFunctionObjectType(type) ? + strictNullChecks ? 6164448 : 8376288 : + strictNullChecks ? 6166480 : 8378320; } - return true; - } - function isReadonlySymbol(symbol) { - return symbol.isReadonly || - symbol.flags & 4 && (getDeclarationModifierFlagsFromSymbol(symbol) & 64) !== 0 || - symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 || - symbol.flags & 98304 && !(symbol.flags & 65536) || - (symbol.flags & 8) !== 0; - } - function isReferenceToReadonlyEntity(expr, symbol) { - if (isReadonlySymbol(symbol)) { - if (symbol.flags & 4 && - (expr.kind === 173 || expr.kind === 174) && - expr.expression.kind === 98) { - var func = ts.getContainingFunction(expr); - if (!(func && func.kind === 149)) - return true; - return !(func.parent === symbol.valueDeclaration.parent || func === symbol.valueDeclaration.parent); - } - return true; + if (flags & (1024 | 2048)) { + return 2457472; } - return false; - } - function isReferenceThroughNamespaceImport(expr) { - if (expr.kind === 173 || expr.kind === 174) { - var node = skipParenthesizedNodes(expr.expression); - if (node.kind === 70) { - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol.flags & 8388608) { - var declaration = getDeclarationOfAliasSymbol(symbol); - return declaration && declaration.kind === 233; - } - } + if (flags & 4096) { + return 2340752; } - return false; - } - function checkReferenceExpression(expr, invalidReferenceMessage, constantVariableMessage) { - var node = skipParenthesizedNodes(expr); - if (node.kind !== 70 && node.kind !== 173 && node.kind !== 174) { - error(expr, invalidReferenceMessage); - return false; + if (flags & 512) { + return strictNullChecks ? 1981320 : 4193160; } - var links = getNodeLinks(node); - var symbol = getExportSymbolOfValueSymbolIfExported(links.resolvedSymbol); - if (symbol) { - if (symbol !== unknownSymbol && symbol !== argumentsSymbol) { - if (node.kind === 70 && !(symbol.flags & 3)) { - error(expr, invalidReferenceMessage); - return false; - } - if (isReferenceToReadonlyEntity(node, symbol) || isReferenceThroughNamespaceImport(node)) { - error(expr, constantVariableMessage); - return false; - } - } + if (flags & 16384) { + var constraint = getConstraintOfTypeParameter(type); + return getTypeFacts(constraint || emptyObjectType); } - else if (node.kind === 174) { - if (links.resolvedIndexInfo && links.resolvedIndexInfo.isReadonly) { - error(expr, constantVariableMessage); - return false; - } + if (flags & 196608) { + return getTypeFactsOfTypes(type.types); } - return true; + return 8388607; } - function checkDeleteExpression(node) { - checkExpression(node.expression); - return booleanType; + function getTypeWithFacts(type, include) { + return filterType(type, function (t) { return (getTypeFacts(t) & include) !== 0; }); } - function checkTypeOfExpression(node) { - checkExpression(node.expression); - return stringType; + function getTypeWithDefault(type, defaultExpression) { + if (defaultExpression) { + var defaultType = checkExpression(defaultExpression); + return getUnionType([getTypeWithFacts(type, 131072), defaultType]); + } + return type; } - function checkVoidExpression(node) { - checkExpression(node.expression); - return undefinedWideningType; + function getTypeOfDestructuredProperty(type, name) { + var text = getTextOfPropertyName(name); + return getTypeOfPropertyOfType(type, text) || + isNumericLiteralName(text) && getIndexTypeOfType(type, 1) || + getIndexTypeOfType(type, 0) || + unknownType; } - function checkAwaitExpression(node) { - if (produceDiagnostics) { - if (!(node.flags & 262144)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); - } + function getTypeOfDestructuredArrayElement(type, index) { + return isTupleLikeType(type) && getTypeOfPropertyOfType(type, "" + index) || + checkIteratedTypeOrElementType(type, undefined, false) || + unknownType; + } + function getTypeOfDestructuredSpreadElement(type) { + return createArrayType(checkIteratedTypeOrElementType(type, undefined, false) || unknownType); + } + function getAssignedTypeOfBinaryExpression(node) { + return node.parent.kind === 171 || node.parent.kind === 253 ? + getTypeWithDefault(getAssignedType(node), node.right) : + checkExpression(node.right); + } + function getAssignedTypeOfArrayLiteralElement(node, element) { + return getTypeOfDestructuredArrayElement(getAssignedType(node), ts.indexOf(node.elements, element)); + } + function getAssignedTypeOfSpreadElement(node) { + return getTypeOfDestructuredSpreadElement(getAssignedType(node.parent)); + } + function getAssignedTypeOfPropertyAssignment(node) { + return getTypeOfDestructuredProperty(getAssignedType(node.parent), node.name); + } + function getAssignedTypeOfShorthandPropertyAssignment(node) { + return getTypeWithDefault(getAssignedTypeOfPropertyAssignment(node), node.objectAssignmentInitializer); + } + function getAssignedType(node) { + var parent = node.parent; + switch (parent.kind) { + case 208: + return stringType; + case 209: + return checkRightHandSideOfForOf(parent.expression) || unknownType; + case 188: + return getAssignedTypeOfBinaryExpression(parent); + case 182: + return undefinedType; + case 171: + return getAssignedTypeOfArrayLiteralElement(parent, node); + case 192: + return getAssignedTypeOfSpreadElement(parent); + case 253: + return getAssignedTypeOfPropertyAssignment(parent); + case 254: + return getAssignedTypeOfShorthandPropertyAssignment(parent); } - var operandType = checkExpression(node.expression); - return checkAwaitedType(operandType, node); + return unknownType; } - function checkPrefixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - if (operandType === silentNeverType) { - return silentNeverType; + function getInitialTypeOfBindingElement(node) { + var pattern = node.parent; + var parentType = getInitialType(pattern.parent); + var type = pattern.kind === 168 ? + getTypeOfDestructuredProperty(parentType, node.propertyName || node.name) : + !node.dotDotDotToken ? + getTypeOfDestructuredArrayElement(parentType, ts.indexOf(pattern.elements, node)) : + getTypeOfDestructuredSpreadElement(parentType); + return getTypeWithDefault(type, node.initializer); + } + function getTypeOfInitializer(node) { + var links = getNodeLinks(node); + return links.resolvedType || checkExpression(node); + } + function getInitialTypeOfVariableDeclaration(node) { + if (node.initializer) { + return getTypeOfInitializer(node.initializer); } - if (node.operator === 37 && node.operand.kind === 8) { - return getFreshTypeOfLiteralType(getLiteralTypeForText(64, "" + -node.operand.text)); + if (node.parent.parent.kind === 208) { + return stringType; } - switch (node.operator) { - case 36: - case 37: - case 51: - if (maybeTypeOfKind(operandType, 512)) { - error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); - } - return numberType; - case 50: - var facts = getTypeFacts(operandType) & (1048576 | 2097152); - return facts === 1048576 ? falseType : - facts === 2097152 ? trueType : - booleanType; - case 42: - case 43: - var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); - } - return numberType; + if (node.parent.parent.kind === 209) { + return checkRightHandSideOfForOf(node.parent.parent.expression) || unknownType; } return unknownType; } - function checkPostfixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - if (operandType === silentNeverType) { - return silentNeverType; - } - var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); - } - return numberType; + function getInitialType(node) { + return node.kind === 219 ? + getInitialTypeOfVariableDeclaration(node) : + getInitialTypeOfBindingElement(node); } - function maybeTypeOfKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 1572864) { - var types = type.types; - for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { - var t = types_15[_i]; - if (maybeTypeOfKind(t, kind)) { - return true; + function getInitialOrAssignedType(node) { + return node.kind === 219 || node.kind === 170 ? + getInitialType(node) : + getAssignedType(node); + } + function isEmptyArrayAssignment(node) { + return node.kind === 219 && node.initializer && + isEmptyArrayLiteral(node.initializer) || + node.kind !== 170 && node.parent.kind === 188 && + isEmptyArrayLiteral(node.parent.right); + } + function getReferenceCandidate(node) { + switch (node.kind) { + case 179: + return getReferenceCandidate(node.expression); + case 188: + switch (node.operatorToken.kind) { + case 57: + return getReferenceCandidate(node.left); + case 25: + return getReferenceCandidate(node.right); } - } } - return false; + return node; } - function isTypeOfKind(type, kind) { - if (type.flags & kind) { - return true; + function getReferenceRoot(node) { + var parent = node.parent; + return parent.kind === 179 || + parent.kind === 188 && parent.operatorToken.kind === 57 && parent.left === node || + parent.kind === 188 && parent.operatorToken.kind === 25 && parent.right === node ? + getReferenceRoot(parent) : node; + } + function getTypeOfSwitchClause(clause) { + if (clause.kind === 249) { + var caseType = getRegularTypeOfLiteralType(checkExpression(clause.expression)); + return isUnitType(caseType) ? caseType : undefined; } - if (type.flags & 524288) { - var types = type.types; - for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { - var t = types_16[_i]; - if (!isTypeOfKind(t, kind)) { + return neverType; + } + function getSwitchClauseTypes(switchStatement) { + var links = getNodeLinks(switchStatement); + if (!links.switchTypes) { + var types = ts.map(switchStatement.caseBlock.clauses, getTypeOfSwitchClause); + links.switchTypes = !ts.contains(types, undefined) ? types : emptyArray; + } + return links.switchTypes; + } + function eachTypeContainedIn(source, types) { + return source.flags & 65536 ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + } + function isTypeSubsetOf(source, target) { + return source === target || target.flags & 65536 && isTypeSubsetOfUnion(source, target); + } + function isTypeSubsetOfUnion(source, target) { + if (source.flags & 65536) { + for (var _i = 0, _a = source.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!containsType(target.types, t)) { return false; } } return true; } - if (type.flags & 1048576) { + if (source.flags & 256 && target.flags & 16 && source.baseType === target) { + return true; + } + return containsType(target.types, source); + } + function filterType(type, f) { + if (type.flags & 65536) { var types = type.types; - for (var _a = 0, types_17 = types; _a < types_17.length; _a++) { - var t = types_17[_a]; - if (isTypeOfKind(t, kind)) { - return true; - } - } + var filtered = ts.filter(types, f); + return filtered === types ? type : getUnionTypeFromSortedList(filtered); } - return false; + return f(type) ? type : neverType; } - function isConstEnumObjectType(type) { - return type.flags & (2588672 | 2097152) && type.symbol && isConstEnumSymbol(type.symbol); + function mapType(type, f) { + return type.flags & 65536 ? getUnionType(ts.map(type.types, f)) : f(type); } - function isConstEnumSymbol(symbol) { - return (symbol.flags & 128) !== 0; + function extractTypesOfKind(type, kind) { + return filterType(type, function (t) { return (t.flags & kind) !== 0; }); } - function checkInstanceOfExpression(left, right, leftType, rightType) { - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; - } - if (isTypeOfKind(leftType, 8190)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); + function replacePrimitivesWithLiterals(typeWithPrimitives, typeWithLiterals) { + if (isTypeSubsetOf(stringType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 32) || + isTypeSubsetOf(numberType, typeWithPrimitives) && maybeTypeOfKind(typeWithLiterals, 64)) { + return mapType(typeWithPrimitives, function (t) { + return t.flags & 2 ? extractTypesOfKind(typeWithLiterals, 2 | 32) : + t.flags & 4 ? extractTypesOfKind(typeWithLiterals, 4 | 64) : + t; + }); } - return booleanType; + return typeWithPrimitives; } - function checkInExpression(left, right, leftType, rightType) { - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 | 340 | 512)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - return booleanType; + function isIncomplete(flowType) { + return flowType.flags === 0; } - function checkObjectLiteralAssignment(node, sourceType) { - var properties = node.properties; - for (var _i = 0, properties_4 = properties; _i < properties_4.length; _i++) { - var p = properties_4[_i]; - checkObjectLiteralDestructuringPropertyAssignment(sourceType, p); - } - return sourceType; + function getTypeFromFlowType(flowType) { + return flowType.flags === 0 ? flowType.type : flowType; } - function checkObjectLiteralDestructuringPropertyAssignment(objectLiteralType, property) { - if (property.kind === 253 || property.kind === 254) { - var name_17 = property.name; - if (name_17.kind === 141) { - checkComputedPropertyName(name_17); - } - if (isComputedNonLiteralName(name_17)) { - return undefined; - } - var text = getTextOfPropertyName(name_17); - var type = isTypeAny(objectLiteralType) - ? objectLiteralType - : getTypeOfPropertyOfType(objectLiteralType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(objectLiteralType, 1) || - getIndexTypeOfType(objectLiteralType, 0); - if (type) { - if (property.kind === 254) { - return checkDestructuringAssignment(property, type); - } - else { - return checkDestructuringAssignment(property.initializer, type); + function createFlowType(type, incomplete) { + return incomplete ? { flags: 0, type: type } : type; + } + function createEvolvingArrayType(elementType) { + var result = createObjectType(128); + result.elementType = elementType; + return result; + } + function getEvolvingArrayType(elementType) { + return evolvingArrayTypes[elementType.id] || (evolvingArrayTypes[elementType.id] = createEvolvingArrayType(elementType)); + } + function addEvolvingArrayElementType(evolvingArrayType, node) { + var elementType = getBaseTypeOfLiteralType(checkExpression(node)); + return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); + } + function createFinalArrayType(elementType) { + return elementType.flags & 8192 ? + autoArrayType : + createArrayType(elementType.flags & 65536 ? + getUnionType(elementType.types, true) : + elementType); + } + function getFinalArrayType(evolvingArrayType) { + return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); + } + function finalizeEvolvingArrayType(type) { + return getObjectFlags(type) & 128 ? getFinalArrayType(type) : type; + } + function getElementTypeOfEvolvingArrayType(type) { + return getObjectFlags(type) & 128 ? type.elementType : neverType; + } + function isEvolvingArrayTypeList(types) { + var hasEvolvingArrayType = false; + for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { + var t = types_12[_i]; + if (!(t.flags & 8192)) { + if (!(getObjectFlags(t) & 128)) { + return false; } + hasEvolvingArrayType = true; } - else { - error(name_17, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(objectLiteralType), ts.declarationNameToString(name_17)); - } - } - else { - error(property, ts.Diagnostics.Property_assignment_expected); } + return hasEvolvingArrayType; } - function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { - var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; - var elements = node.elements; - for (var i = 0; i < elements.length; i++) { - checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, elementType, contextualMapper); - } - return sourceType; + function getUnionOrEvolvingArrayType(types, subtypeReduction) { + return isEvolvingArrayTypeList(types) ? + getEvolvingArrayType(getUnionType(ts.map(types, getElementTypeOfEvolvingArrayType))) : + getUnionType(ts.sameMap(types, finalizeEvolvingArrayType), subtypeReduction); } - function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, contextualMapper) { - var elements = node.elements; - var element = elements[elementIndex]; - if (element.kind !== 194) { - if (element.kind !== 192) { - var propName = "" + elementIndex; - var type = isTypeAny(sourceType) - ? sourceType - : isTupleLikeType(sourceType) - ? getTypeOfPropertyOfType(sourceType, propName) - : elementType; - if (type) { - return checkDestructuringAssignment(element, type, contextualMapper); + function isEvolvingArrayOperationTarget(node) { + var root = getReferenceRoot(node); + var parent = root.parent; + var isLengthPushOrUnshift = parent.kind === 173 && (parent.name.text === "length" || + parent.parent.kind === 175 && ts.isPushOrUnshiftIdentifier(parent.name)); + var isElementAssignment = parent.kind === 174 && + parent.expression === root && + parent.parent.kind === 188 && + parent.parent.operatorToken.kind === 57 && + parent.parent.left === parent && + !ts.isAssignmentTarget(parent.parent) && + isTypeAnyOrAllConstituentTypesHaveKind(checkExpression(parent.argumentExpression), 340 | 2048); + return isLengthPushOrUnshift || isElementAssignment; + } + function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) { + var key; + if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 246783)) { + return declaredType; + } + var initialType = assumeInitialized ? declaredType : + declaredType === autoType || declaredType === autoArrayType ? undefinedType : + includeFalsyTypes(declaredType, 2048); + var visitedFlowStart = visitedFlowCount; + var evolvedType = getTypeFromFlowType(getTypeAtFlowNode(reference.flowNode)); + visitedFlowCount = visitedFlowStart; + var resultType = getObjectFlags(evolvedType) & 128 && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); + if (reference.parent.kind === 197 && getTypeWithFacts(resultType, 524288).flags & 8192) { + return declaredType; + } + return resultType; + function getTypeAtFlowNode(flow) { + while (true) { + if (flow.flags & 1024) { + for (var i = visitedFlowStart; i < visitedFlowCount; i++) { + if (visitedFlowNodes[i] === flow) { + return visitedFlowTypes[i]; + } + } + } + var type = void 0; + if (flow.flags & 16) { + type = getTypeAtFlowAssignment(flow); + if (!type) { + flow = flow.antecedent; + continue; + } + } + else if (flow.flags & 96) { + type = getTypeAtFlowCondition(flow); + } + else if (flow.flags & 128) { + type = getTypeAtSwitchClause(flow); + } + else if (flow.flags & 12) { + if (flow.antecedents.length === 1) { + flow = flow.antecedents[0]; + continue; + } + type = flow.flags & 4 ? + getTypeAtFlowBranchLabel(flow) : + getTypeAtFlowLoopLabel(flow); + } + else if (flow.flags & 256) { + type = getTypeAtFlowArrayMutation(flow); + if (!type) { + flow = flow.antecedent; + continue; + } + } + else if (flow.flags & 2) { + var container = flow.container; + if (container && container !== flowContainer && reference.kind !== 173) { + flow = container.flowNode; + continue; + } + type = initialType; + } + else { + type = convertAutoToAny(declaredType); + } + if (flow.flags & 1024) { + visitedFlowNodes[visitedFlowCount] = flow; + visitedFlowTypes[visitedFlowCount] = type; + visitedFlowCount++; } - else { - checkExpression(element); - if (isTupleType(sourceType)) { - error(element, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), getTypeReferenceArity(sourceType), elements.length); - } - else { - error(element, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); + return type; + } + } + function getTypeAtFlowAssignment(flow) { + var node = flow.node; + if (isMatchingReference(reference, node)) { + if (node.parent.kind === 186 || node.parent.kind === 187) { + var flowType = getTypeAtFlowNode(flow.antecedent); + return createFlowType(getBaseTypeOfLiteralType(getTypeFromFlowType(flowType)), isIncomplete(flowType)); + } + if (declaredType === autoType || declaredType === autoArrayType) { + if (isEmptyArrayAssignment(node)) { + return getEvolvingArrayType(neverType); } + var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(node)); + return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; } - } - else { - if (elementIndex < elements.length - 1) { - error(element, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + if (declaredType.flags & 65536) { + return getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)); } - else { - var restExpression = element.expression; - if (restExpression.kind === 188 && restExpression.operatorToken.kind === 57) { - error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + return declaredType; + } + if (containsMatchingReference(reference, node)) { + return declaredType; + } + return undefined; + } + function getTypeAtFlowArrayMutation(flow) { + var node = flow.node; + var expr = node.kind === 175 ? + node.expression.expression : + node.left.expression; + if (isMatchingReference(reference, getReferenceCandidate(expr))) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + if (getObjectFlags(type) & 128) { + var evolvedType_1 = type; + if (node.kind === 175) { + for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { + var arg = _a[_i]; + evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, arg); + } } else { - return checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + var indexType = checkExpression(node.left.argumentExpression); + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | 2048)) { + evolvedType_1 = addEvolvingArrayElementType(evolvedType_1, node.right); + } } + return evolvedType_1 === type ? flowType : createFlowType(evolvedType_1, isIncomplete(flowType)); } + return flowType; } + return undefined; } - return undefined; - } - function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { - var target; - if (exprOrAssignment.kind === 254) { - var prop = exprOrAssignment; - if (prop.objectAssignmentInitializer) { - if (strictNullChecks && - !(getFalsyFlags(checkExpression(prop.objectAssignmentInitializer)) & 2048)) { - sourceType = getTypeWithFacts(sourceType, 131072); - } - checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + function getTypeAtFlowCondition(flow) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + if (type.flags & 8192) { + return flowType; } - target = exprOrAssignment.name; - } - else { - target = exprOrAssignment; - } - if (target.kind === 188 && target.operatorToken.kind === 57) { - checkBinaryExpression(target, contextualMapper); - target = target.left; - } - if (target.kind === 172) { - return checkObjectLiteralAssignment(target, sourceType); - } - if (target.kind === 171) { - return checkArrayLiteralAssignment(target, sourceType, contextualMapper); + var assumeTrue = (flow.flags & 32) !== 0; + var nonEvolvingType = finalizeEvolvingArrayType(type); + var narrowedType = narrowType(nonEvolvingType, flow.expression, assumeTrue); + if (narrowedType === nonEvolvingType) { + return flowType; + } + var incomplete = isIncomplete(flowType); + var resultType = incomplete && narrowedType.flags & 8192 ? silentNeverType : narrowedType; + return createFlowType(resultType, incomplete); } - return checkReferenceAssignment(target, sourceType, contextualMapper); - } - function checkReferenceAssignment(target, sourceType, contextualMapper) { - var targetType = checkExpression(target, contextualMapper); - if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property)) { - checkTypeAssignableTo(sourceType, targetType, target, undefined); + function getTypeAtSwitchClause(flow) { + var flowType = getTypeAtFlowNode(flow.antecedent); + var type = getTypeFromFlowType(flowType); + var expr = flow.switchStatement.expression; + if (isMatchingReference(reference, expr)) { + type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd); + } + else if (isMatchingReferenceDiscriminant(expr)) { + type = narrowTypeByDiscriminant(type, expr, function (t) { return narrowTypeBySwitchOnDiscriminant(t, flow.switchStatement, flow.clauseStart, flow.clauseEnd); }); + } + return createFlowType(type, isIncomplete(flowType)); } - return sourceType; - } - function isSideEffectFree(node) { - node = ts.skipParentheses(node); - switch (node.kind) { - case 70: - case 9: - case 11: - case 177: - case 190: - case 12: - case 8: - case 100: - case 85: - case 94: - case 136: - case 180: - case 193: - case 181: - case 171: - case 172: - case 183: - case 197: - case 243: - case 242: - return true; - case 189: - return isSideEffectFree(node.whenTrue) && - isSideEffectFree(node.whenFalse); - case 188: - if (ts.isAssignmentOperator(node.operatorToken.kind)) { - return false; + function getTypeAtFlowBranchLabel(flow) { + var antecedentTypes = []; + var subtypeReduction = false; + var seenIncomplete = false; + for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { + var antecedent = _a[_i]; + var flowType = getTypeAtFlowNode(antecedent); + var type = getTypeFromFlowType(flowType); + if (type === declaredType && declaredType === initialType) { + return type; } - return isSideEffectFree(node.left) && - isSideEffectFree(node.right); - case 186: - case 187: - switch (node.operator) { - case 50: - case 36: - case 37: - case 51: - return true; + if (!ts.contains(antecedentTypes, type)) { + antecedentTypes.push(type); } - return false; - case 184: - case 178: - case 196: - default: - return false; - } - } - function isTypeEqualityComparableTo(source, target) { - return (target.flags & 6144) !== 0 || isTypeComparableTo(source, target); - } - function getBestChoiceType(type1, type2) { - var firstAssignableToSecond = isTypeAssignableTo(type1, type2); - var secondAssignableToFirst = isTypeAssignableTo(type2, type1); - return secondAssignableToFirst && !firstAssignableToSecond ? type1 : - firstAssignableToSecond && !secondAssignableToFirst ? type2 : - getUnionType([type1, type2], true); - } - function checkBinaryExpression(node, contextualMapper) { - return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); - } - function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { - var operator = operatorToken.kind; - if (operator === 57 && (left.kind === 172 || left.kind === 171)) { - return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + if (!isTypeSubsetOf(type, declaredType)) { + subtypeReduction = true; + } + if (isIncomplete(flowType)) { + seenIncomplete = true; + } + } + return createFlowType(getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction), seenIncomplete); } - var leftType = checkExpression(left, contextualMapper); - var rightType = checkExpression(right, contextualMapper); - switch (operator) { - case 38: - case 39: - case 60: - case 61: - case 40: - case 62: - case 41: - case 63: - case 37: - case 59: - case 44: - case 64: - case 45: - case 65: - case 46: - case 66: - case 48: - case 68: - case 49: - case 69: - case 47: - case 67: - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; + function getTypeAtFlowLoopLabel(flow) { + var id = getFlowNodeId(flow); + var cache = flowLoopCaches[id] || (flowLoopCaches[id] = ts.createMap()); + if (!key) { + key = getFlowCacheKey(reference); + } + if (cache[key]) { + return cache[key]; + } + for (var i = flowLoopStart; i < flowLoopCount; i++) { + if (flowLoopNodes[i] === flow && flowLoopKeys[i] === key && flowLoopTypes[i].length) { + return createFlowType(getUnionOrEvolvingArrayType(flowLoopTypes[i], false), true); } - if (leftType.flags & 6144) - leftType = rightType; - if (rightType.flags & 6144) - rightType = leftType; - leftType = getNonNullableType(leftType); - rightType = getNonNullableType(rightType); - var suggestedOperator = void 0; - if ((leftType.flags & 136) && - (rightType.flags & 136) && - (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { - error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + var antecedentTypes = []; + var subtypeReduction = false; + var firstAntecedentType; + flowLoopNodes[flowLoopCount] = flow; + flowLoopKeys[flowLoopCount] = key; + flowLoopTypes[flowLoopCount] = antecedentTypes; + for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) { + var antecedent = _a[_i]; + flowLoopCount++; + var flowType = getTypeAtFlowNode(antecedent); + flowLoopCount--; + if (!firstAntecedentType) { + firstAntecedentType = flowType; } - else { - var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - if (leftOk && rightOk) { - checkAssignmentOperator(numberType); - } + var type = getTypeFromFlowType(flowType); + if (cache[key]) { + return cache[key]; } - return numberType; - case 36: - case 58: - if (leftType === silentNeverType || rightType === silentNeverType) { - return silentNeverType; + if (!ts.contains(antecedentTypes, type)) { + antecedentTypes.push(type); } - if (leftType.flags & 6144) - leftType = rightType; - if (rightType.flags & 6144) - rightType = leftType; - leftType = getNonNullableType(leftType); - rightType = getNonNullableType(rightType); - var resultType = void 0; - if (isTypeOfKind(leftType, 340) && isTypeOfKind(rightType, 340)) { - resultType = numberType; + if (!isTypeSubsetOf(type, declaredType)) { + subtypeReduction = true; } - else { - if (isTypeOfKind(leftType, 34) || isTypeOfKind(rightType, 34)) { - resultType = stringType; + if (type === declaredType) { + break; + } + } + var result = getUnionOrEvolvingArrayType(antecedentTypes, subtypeReduction); + if (isIncomplete(firstAntecedentType)) { + return createFlowType(result, true); + } + return cache[key] = result; + } + function isMatchingReferenceDiscriminant(expr) { + return expr.kind === 173 && + declaredType.flags & 65536 && + isMatchingReference(reference, expr.expression) && + isDiscriminantProperty(declaredType, expr.name.text); + } + function narrowTypeByDiscriminant(type, propAccess, narrowType) { + var propName = propAccess.name.text; + var propType = getTypeOfPropertyOfType(type, propName); + var narrowedPropType = propType && narrowType(propType); + return propType === narrowedPropType ? type : filterType(type, function (t) { return isTypeComparableTo(getTypeOfPropertyOfType(t, propName), narrowedPropType); }); + } + function narrowTypeByTruthiness(type, expr, assumeTrue) { + if (isMatchingReference(reference, expr)) { + return getTypeWithFacts(type, assumeTrue ? 1048576 : 2097152); + } + if (isMatchingReferenceDiscriminant(expr)) { + return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumeTrue ? 1048576 : 2097152); }); + } + if (containsMatchingReferenceDiscriminant(reference, expr)) { + return declaredType; + } + return type; + } + function narrowTypeByBinaryExpression(type, expr, assumeTrue) { + switch (expr.operatorToken.kind) { + case 57: + return narrowTypeByTruthiness(type, expr.left, assumeTrue); + case 31: + case 32: + case 33: + case 34: + var operator_1 = expr.operatorToken.kind; + var left_1 = getReferenceCandidate(expr.left); + var right_1 = getReferenceCandidate(expr.right); + if (left_1.kind === 183 && right_1.kind === 9) { + return narrowTypeByTypeof(type, left_1, operator_1, right_1, assumeTrue); } - else if (isTypeAny(leftType) || isTypeAny(rightType)) { - resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + if (right_1.kind === 183 && left_1.kind === 9) { + return narrowTypeByTypeof(type, right_1, operator_1, left_1, assumeTrue); } - if (resultType && !checkForDisallowedESSymbolOperand(operator)) { - return resultType; + if (isMatchingReference(reference, left_1)) { + return narrowTypeByEquality(type, operator_1, right_1, assumeTrue); } - } - if (!resultType) { - reportOperatorError(); - return anyType; - } - if (operator === 58) { - checkAssignmentOperator(resultType); - } - return resultType; - case 26: - case 28: - case 29: - case 30: - if (checkForDisallowedESSymbolOperand(operator)) { - if (!isTypeComparableTo(leftType, rightType) && !isTypeComparableTo(rightType, leftType)) { - reportOperatorError(); + if (isMatchingReference(reference, right_1)) { + return narrowTypeByEquality(type, operator_1, left_1, assumeTrue); } + if (isMatchingReferenceDiscriminant(left_1)) { + return narrowTypeByDiscriminant(type, left_1, function (t) { return narrowTypeByEquality(t, operator_1, right_1, assumeTrue); }); + } + if (isMatchingReferenceDiscriminant(right_1)) { + return narrowTypeByDiscriminant(type, right_1, function (t) { return narrowTypeByEquality(t, operator_1, left_1, assumeTrue); }); + } + if (containsMatchingReferenceDiscriminant(reference, left_1) || containsMatchingReferenceDiscriminant(reference, right_1)) { + return declaredType; + } + break; + case 92: + return narrowTypeByInstanceof(type, expr, assumeTrue); + case 25: + return narrowType(type, expr.right, assumeTrue); + } + return type; + } + function narrowTypeByEquality(type, operator, value, assumeTrue) { + if (type.flags & 1) { + return type; + } + if (operator === 32 || operator === 34) { + assumeTrue = !assumeTrue; + } + var valueType = checkExpression(value); + if (valueType.flags & 6144) { + if (!strictNullChecks) { + return type; } - return booleanType; - case 31: - case 32: - case 33: - case 34: - var leftIsLiteral = isLiteralType(leftType); - var rightIsLiteral = isLiteralType(rightType); - if (!leftIsLiteral || !rightIsLiteral) { - leftType = leftIsLiteral ? getBaseTypeOfLiteralType(leftType) : leftType; - rightType = rightIsLiteral ? getBaseTypeOfLiteralType(rightType) : rightType; - } - if (!isTypeEqualityComparableTo(leftType, rightType) && !isTypeEqualityComparableTo(rightType, leftType)) { - reportOperatorError(); + var doubleEquals = operator === 31 || operator === 32; + var facts = doubleEquals ? + assumeTrue ? 65536 : 524288 : + value.kind === 94 ? + assumeTrue ? 32768 : 262144 : + assumeTrue ? 16384 : 131072; + return getTypeWithFacts(type, facts); + } + if (type.flags & 33281) { + return type; + } + if (assumeTrue) { + var narrowedType = filterType(type, function (t) { return areTypesComparable(t, valueType); }); + return narrowedType.flags & 8192 ? type : replacePrimitivesWithLiterals(narrowedType, valueType); + } + if (isUnitType(valueType)) { + var regularType_1 = getRegularTypeOfLiteralType(valueType); + return filterType(type, function (t) { return getRegularTypeOfLiteralType(t) !== regularType_1; }); + } + return type; + } + function narrowTypeByTypeof(type, typeOfExpr, operator, literal, assumeTrue) { + var target = getReferenceCandidate(typeOfExpr.expression); + if (!isMatchingReference(reference, target)) { + if (containsMatchingReference(reference, target)) { + return declaredType; } - return booleanType; - case 92: - return checkInstanceOfExpression(left, right, leftType, rightType); - case 91: - return checkInExpression(left, right, leftType, rightType); - case 52: - return getTypeFacts(leftType) & 1048576 ? - includeFalsyTypes(rightType, getFalsyFlags(strictNullChecks ? leftType : getBaseTypeOfLiteralType(rightType))) : - leftType; - case 53: - return getTypeFacts(leftType) & 2097152 ? - getBestChoiceType(removeDefinitelyFalsyTypes(leftType), rightType) : - leftType; - case 57: - checkAssignmentOperator(rightType); - return getRegularTypeOfObjectLiteral(rightType); - case 25: - if (!compilerOptions.allowUnreachableCode && isSideEffectFree(left)) { - error(left, ts.Diagnostics.Left_side_of_comma_operator_is_unused_and_has_no_side_effects); + return type; + } + if (operator === 32 || operator === 34) { + assumeTrue = !assumeTrue; + } + if (assumeTrue && !(type.flags & 65536)) { + var targetType = typeofTypesByName[literal.text]; + if (targetType && isTypeSubtypeOf(targetType, type)) { + return targetType; } - return rightType; + } + var facts = assumeTrue ? + typeofEQFacts[literal.text] || 64 : + typeofNEFacts[literal.text] || 8192; + return getTypeWithFacts(type, facts); } - function checkForDisallowedESSymbolOperand(operator) { - var offendingSymbolOperand = maybeTypeOfKind(leftType, 512) ? left : - maybeTypeOfKind(rightType, 512) ? right : - undefined; - if (offendingSymbolOperand) { - error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); - return false; + function narrowTypeBySwitchOnDiscriminant(type, switchStatement, clauseStart, clauseEnd) { + var switchTypes = getSwitchClauseTypes(switchStatement); + if (!switchTypes.length) { + return type; } - return true; + var clauseTypes = switchTypes.slice(clauseStart, clauseEnd); + var hasDefaultClause = clauseStart === clauseEnd || ts.contains(clauseTypes, neverType); + var discriminantType = getUnionType(clauseTypes); + var caseType = discriminantType.flags & 8192 ? neverType : + replacePrimitivesWithLiterals(filterType(type, function (t) { return isTypeComparableTo(discriminantType, t); }), discriminantType); + if (!hasDefaultClause) { + return caseType; + } + var defaultType = filterType(type, function (t) { return !(isUnitType(t) && ts.contains(switchTypes, getRegularTypeOfLiteralType(t))); }); + return caseType.flags & 8192 ? defaultType : getUnionType([caseType, defaultType]); } - function getSuggestedBooleanOperator(operator) { - switch (operator) { - case 48: - case 68: - return 53; - case 49: - case 69: - return 34; - case 47: - case 67: - return 52; - default: - return undefined; + function narrowTypeByInstanceof(type, expr, assumeTrue) { + var left = getReferenceCandidate(expr.left); + if (!isMatchingReference(reference, left)) { + if (containsMatchingReference(reference, left)) { + return declaredType; + } + return type; + } + var rightType = checkExpression(expr.right); + if (!isTypeSubtypeOf(rightType, globalFunctionType)) { + return type; } - } - function checkAssignmentOperator(valueType) { - if (produceDiagnostics && operator >= 57 && operator <= 69) { - var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property); - if (ok) { - checkTypeAssignableTo(valueType, leftType, left, undefined); + var targetType; + var prototypeProperty = getPropertyOfType(rightType, "prototype"); + if (prototypeProperty) { + var prototypePropertyType = getTypeOfSymbol(prototypeProperty); + if (!isTypeAny(prototypePropertyType)) { + targetType = prototypePropertyType; } } - } - function reportOperatorError() { - error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); - } - } - function isYieldExpressionInClass(node) { - var current = node; - var parent = node.parent; - while (parent) { - if (ts.isFunctionLike(parent) && current === parent.body) { - return false; + if (isTypeAny(type) && (targetType === globalObjectType || targetType === globalFunctionType)) { + return type; } - else if (ts.isClassLike(current)) { - return true; + if (!targetType) { + var constructSignatures = void 0; + if (getObjectFlags(rightType) & 2) { + constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; + } + else if (getObjectFlags(rightType) & 16) { + constructSignatures = getSignaturesOfType(rightType, 1); + } + if (constructSignatures && constructSignatures.length) { + targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); + } } - current = parent; - parent = parent.parent; + if (targetType) { + return getNarrowedType(type, targetType, assumeTrue); + } + return type; } - return false; - } - function checkYieldExpression(node) { - if (produceDiagnostics) { - if (!(node.flags & 65536) || isYieldExpressionInClass(node)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + function getNarrowedType(type, candidate, assumeTrue) { + if (!assumeTrue) { + return filterType(type, function (t) { return !isTypeInstanceOf(t, candidate); }); } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); + if (type.flags & 65536) { + var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); }); + if (!(assignableType.flags & 8192)) { + return assignableType; + } } + var targetType = type.flags & 16384 ? getApparentType(type) : type; + return isTypeSubtypeOf(candidate, type) ? candidate : + isTypeAssignableTo(type, candidate) ? type : + isTypeAssignableTo(candidate, targetType) ? candidate : + getIntersectionType([type, candidate]); } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func && func.asteriskToken) { - var expressionType = checkExpressionCached(node.expression, undefined); - var expressionElementType = void 0; - var nodeIsYieldStar = !!node.asteriskToken; - if (nodeIsYieldStar) { - expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); - } - if (func.type) { - var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; - if (nodeIsYieldStar) { - checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); + function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { + if (!hasMatchingArgument(callExpression, reference)) { + return type; + } + var signature = getResolvedSignature(callExpression); + var predicate = signature.typePredicate; + if (!predicate) { + return type; + } + if (isTypeAny(type) && (predicate.type === globalObjectType || predicate.type === globalFunctionType)) { + return type; + } + if (ts.isIdentifierTypePredicate(predicate)) { + var predicateArgument = callExpression.arguments[predicate.parameterIndex]; + if (predicateArgument) { + if (isMatchingReference(reference, predicateArgument)) { + return getNarrowedType(type, predicate.type, assumeTrue); } - else { - checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); + if (containsMatchingReference(reference, predicateArgument)) { + return declaredType; } } } - } - return anyType; - } - function checkConditionalExpression(node, contextualMapper) { - checkExpression(node.condition); - var type1 = checkExpression(node.whenTrue, contextualMapper); - var type2 = checkExpression(node.whenFalse, contextualMapper); - return getBestChoiceType(type1, type2); - } - function checkLiteralExpression(node) { - if (node.kind === 8) { - checkGrammarNumericLiteral(node); - } - switch (node.kind) { - case 9: - return getFreshTypeOfLiteralType(getLiteralTypeForText(32, node.text)); - case 8: - return getFreshTypeOfLiteralType(getLiteralTypeForText(64, node.text)); - case 100: - return trueType; - case 85: - return falseType; - } - } - function checkTemplateExpression(node) { - ts.forEach(node.templateSpans, function (templateSpan) { - checkExpression(templateSpan.expression); - }); - return stringType; - } - function checkExpressionWithContextualType(node, contextualType, contextualMapper) { - var saveContextualType = node.contextualType; - node.contextualType = contextualType; - var result = checkExpression(node, contextualMapper); - node.contextualType = saveContextualType; - return result; - } - function checkExpressionCached(node, contextualMapper) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var saveFlowLoopStart = flowLoopStart; - flowLoopStart = flowLoopCount; - links.resolvedType = checkExpression(node, contextualMapper); - flowLoopStart = saveFlowLoopStart; - } - return links.resolvedType; - } - function isTypeAssertion(node) { - node = skipParenthesizedNodes(node); - return node.kind === 178 || node.kind === 196; - } - function checkDeclarationInitializer(declaration) { - var type = checkExpressionCached(declaration.initializer); - return ts.getCombinedNodeFlags(declaration) & 2 || - ts.getCombinedModifierFlags(declaration) & 64 || - isTypeAssertion(declaration.initializer) ? type : getWidenedLiteralType(type); - } - function isLiteralContextualType(contextualType) { - if (contextualType) { - if (contextualType.flags & 16384) { - var apparentType = getApparentTypeOfTypeParameter(contextualType); - if (apparentType.flags & (2 | 4 | 8 | 16)) { - return true; + else { + var invokedExpression = skipParenthesizedNodes(callExpression.expression); + if (invokedExpression.kind === 174 || invokedExpression.kind === 173) { + var accessExpression = invokedExpression; + var possibleReference = skipParenthesizedNodes(accessExpression.expression); + if (isMatchingReference(reference, possibleReference)) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + if (containsMatchingReference(reference, possibleReference)) { + return declaredType; + } } - contextualType = apparentType; } - return maybeTypeOfKind(contextualType, 480); - } - return false; - } - function checkExpressionForMutableLocation(node, contextualMapper) { - var type = checkExpression(node, contextualMapper); - return isTypeAssertion(node) || isLiteralContextualType(getContextualType(node)) ? type : getWidenedLiteralType(type); - } - function checkPropertyAssignment(node, contextualMapper) { - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); - } - return checkExpressionForMutableLocation(node.initializer, contextualMapper); - } - function checkObjectLiteralMethod(node, contextualMapper) { - checkGrammarMethod(node); - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); + return type; } - var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { - if (isInferentialContext(contextualMapper)) { - var signature = getSingleCallSignature(type); - if (signature && signature.typeParameters) { - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType) { - var contextualSignature = getSingleCallSignature(contextualType); - if (contextualSignature && !contextualSignature.typeParameters) { - return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + function narrowType(type, expr, assumeTrue) { + switch (expr.kind) { + case 70: + case 98: + case 173: + return narrowTypeByTruthiness(type, expr, assumeTrue); + case 175: + return narrowTypeByTypePredicate(type, expr, assumeTrue); + case 179: + return narrowType(type, expr.expression, assumeTrue); + case 188: + return narrowTypeByBinaryExpression(type, expr, assumeTrue); + case 186: + if (expr.operator === 50) { + return narrowType(type, expr.operand, !assumeTrue); } - } + break; } + return type; } - return type; } - function checkExpression(node, contextualMapper) { - var type; - if (node.kind === 140) { - type = checkQualifiedName(node); - } - else { - var uninstantiatedType = checkExpressionWorker(node, contextualMapper); - type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - if (isConstEnumObjectType(type)) { - var ok = (node.parent.kind === 173 && node.parent.expression === node) || - (node.parent.kind === 174 && node.parent.expression === node) || - ((node.kind === 70 || node.kind === 140) && isInRightSideOfImportOrExportAssignment(node)); - if (!ok) { - error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); + function getTypeOfSymbolAtLocation(symbol, location) { + if (location.kind === 70) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) { + location = location.parent; + } + if (ts.isPartOfExpression(location) && !ts.isAssignmentTarget(location)) { + var type = checkExpression(location); + if (getExportSymbolOfValueSymbolIfExported(getNodeLinks(location).resolvedSymbol) === symbol) { + return type; + } } } - return type; + return getTypeOfSymbol(symbol); } - function checkExpressionWorker(node, contextualMapper) { - switch (node.kind) { - case 70: - return checkIdentifier(node); - case 98: - return checkThisExpression(node); - case 96: - return checkSuperExpression(node); - case 94: - return nullWideningType; - case 9: - case 8: - case 100: - case 85: - return checkLiteralExpression(node); - case 190: - return checkTemplateExpression(node); - case 12: - return stringType; - case 11: - return globalRegExpType; - case 171: - return checkArrayLiteral(node, contextualMapper); - case 172: - return checkObjectLiteral(node, contextualMapper); - case 173: - return checkPropertyAccessExpression(node); - case 174: - return checkIndexedAccess(node); - case 175: - case 176: - return checkCallExpression(node); - case 177: - return checkTaggedTemplateExpression(node); - case 179: - return checkExpression(node.expression, contextualMapper); - case 193: - return checkClassExpression(node); - case 180: - case 181: - return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - case 183: - return checkTypeOfExpression(node); - case 178: - case 196: - return checkAssertion(node); - case 197: - return checkNonNullAssertion(node); - case 182: - return checkDeleteExpression(node); - case 184: - return checkVoidExpression(node); - case 185: - return checkAwaitExpression(node); - case 186: - return checkPrefixUnaryExpression(node); - case 187: - return checkPostfixUnaryExpression(node); - case 188: - return checkBinaryExpression(node, contextualMapper); - case 189: - return checkConditionalExpression(node, contextualMapper); - case 192: - return checkSpreadElementExpression(node, contextualMapper); - case 194: - return undefinedWideningType; - case 191: - return checkYieldExpression(node); - case 248: - return checkJsxExpression(node); - case 242: - return checkJsxElement(node); - case 243: - return checkJsxSelfClosingElement(node); - case 244: - ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); + function skipParenthesizedNodes(expression) { + while (expression.kind === 179) { + expression = expression.expression; } - return unknownType; + return expression; } - function checkTypeParameter(node) { - if (node.expression) { - grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); - } - checkSourceElement(node.constraint); - getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); + function getControlFlowContainer(node) { + while (true) { + node = node.parent; + if (ts.isFunctionLike(node) && !ts.getImmediatelyInvokedFunctionExpression(node) || + node.kind === 227 || + node.kind === 256 || + node.kind === 146) { + return node; + } } } - function checkParameter(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkVariableLikeDeclaration(node); - var func = ts.getContainingFunction(node); - if (ts.getModifierFlags(node) & 92) { - func = ts.getContainingFunction(node); - if (!(func.kind === 149 && ts.nodeIsPresent(func.body))) { - error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + function isParameterAssigned(symbol) { + var func = ts.getRootDeclaration(symbol.valueDeclaration).parent; + var links = getNodeLinks(func); + if (!(links.flags & 4194304)) { + links.flags |= 4194304; + if (!hasParentWithAssignmentsMarked(func)) { + markParameterAssignments(func); } } - if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { - error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); - } - if (node.name.text === "this") { - if (ts.indexOf(func.parameters, node) !== 0) { - error(node, ts.Diagnostics.A_this_parameter_must_be_the_first_parameter); + return symbol.isAssigned || false; + } + function hasParentWithAssignmentsMarked(node) { + while (true) { + node = node.parent; + if (!node) { + return false; } - if (func.kind === 149 || func.kind === 153 || func.kind === 158) { - error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter); + if (ts.isFunctionLike(node) && getNodeLinks(node).flags & 4194304) { + return true; } } - if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { - error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); - } } - function isSyntacticallyValidGenerator(node) { - if (!node.asteriskToken || !node.body) { - return false; - } - return node.kind === 148 || - node.kind === 221 || - node.kind === 180; - } - function getTypePredicateParameterIndex(parameterList, parameter) { - if (parameterList) { - for (var i = 0; i < parameterList.length; i++) { - var param = parameterList[i]; - if (param.name.kind === 70 && - param.name.text === parameter.text) { - return i; + function markParameterAssignments(node) { + if (node.kind === 70) { + if (ts.isAssignmentTarget(node)) { + var symbol = getResolvedSymbol(node); + if (symbol.valueDeclaration && ts.getRootDeclaration(symbol.valueDeclaration).kind === 143) { + symbol.isAssigned = true; } } } - return -1; - } - function checkTypePredicate(node) { - var parent = getTypePredicateParent(node); - if (!parent) { - error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); - return; - } - var typePredicate = getSignatureFromDeclaration(parent).typePredicate; - if (!typePredicate) { - return; - } - var parameterName = node.parameterName; - if (ts.isThisTypePredicate(typePredicate)) { - getTypeFromThisTypeNode(parameterName); - } else { - if (typePredicate.parameterIndex >= 0) { - if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { - error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); - } - else { - var leadingError = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type); - checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type, undefined, leadingError); - } - } - else if (parameterName) { - var hasReportedError = false; - for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { - var name_18 = _a[_i].name; - if (ts.isBindingPattern(name_18) && - checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_18, parameterName, typePredicate.parameterName)) { - hasReportedError = true; - break; - } - } - if (!hasReportedError) { - error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); - } - } - } - } - function getTypePredicateParent(node) { - switch (node.parent.kind) { - case 181: - case 152: - case 221: - case 180: - case 157: - case 148: - case 147: - var parent_12 = node.parent; - if (node === parent_12.type) { - return parent_12; - } + ts.forEachChild(node, markParameterAssignments); } } - function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { - for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (ts.isOmittedExpression(element)) { - continue; - } - var name_19 = element.name; - if (name_19.kind === 70 && - name_19.text === predicateVariableName) { - error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); - return true; - } - else if (name_19.kind === 169 || - name_19.kind === 168) { - if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_19, predicateVariableNode, predicateVariableName)) { - return true; - } - } - } + function isConstVariable(symbol) { + return symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 && getTypeOfSymbol(symbol) !== autoArrayType; } - function checkSignatureDeclaration(node) { - if (node.kind === 154) { - checkGrammarIndexSignature(node); - } - else if (node.kind === 157 || node.kind === 221 || node.kind === 158 || - node.kind === 152 || node.kind === 149 || - node.kind === 153) { - checkGrammarFunctionLikeDeclaration(node); - } - checkTypeParameters(node.typeParameters); - ts.forEach(node.parameters, checkParameter); - if (node.type) { - checkSourceElement(node.type); - } - if (produceDiagnostics) { - checkCollisionWithArgumentsInGeneratedCode(node); - if (compilerOptions.noImplicitAny && !node.type) { - switch (node.kind) { - case 153: - error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - case 152: - error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - } - } - if (node.type) { - if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { - var returnType = getTypeFromTypeNode(node.type); - if (returnType === voidType) { - error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); - } - else { - var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; - var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); - checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); - } + function checkIdentifier(node) { + var symbol = getResolvedSymbol(node); + if (symbol === argumentsSymbol) { + var container = ts.getContainingFunction(node); + if (languageVersion < 2) { + if (container.kind === 181) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); } - else if (ts.isAsyncFunctionLike(node)) { - checkAsyncFunctionReturnType(node); + else if (ts.hasModifier(container, 256)) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_async_function_or_method_in_ES3_and_ES5_Consider_using_a_standard_function_or_method); } } - if (noUnusedIdentifiers && !node.body) { - checkUnusedTypeParameters(node); + if (node.flags & 262144) { + getNodeLinks(container).flags |= 8192; } } - } - function checkClassForDuplicateDeclarations(node) { - var Accessor; - (function (Accessor) { - Accessor[Accessor["Getter"] = 1] = "Getter"; - Accessor[Accessor["Setter"] = 2] = "Setter"; - Accessor[Accessor["Property"] = 3] = "Property"; - })(Accessor || (Accessor = {})); - var instanceNames = ts.createMap(); - var staticNames = ts.createMap(); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 149) { - for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { - var param = _c[_b]; - if (ts.isParameterPropertyDeclaration(param)) { - addName(instanceNames, param.name, param.name.text, 3); + if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { + markAliasSymbolAsReferenced(symbol); + } + var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); + if (localOrExportSymbol.flags & 32) { + var declaration_1 = localOrExportSymbol.valueDeclaration; + if (languageVersion === 2 + && declaration_1.kind === 222 + && ts.nodeIsDecorated(declaration_1)) { + var container = ts.getContainingClass(node); + while (container !== undefined) { + if (container === declaration_1 && container.name !== node) { + getNodeLinks(declaration_1).flags |= 8388608; + getNodeLinks(node).flags |= 16777216; + break; } + container = ts.getContainingClass(container); } } - else { - var isStatic = ts.forEach(member.modifiers, function (m) { return m.kind === 114; }); - var names = isStatic ? staticNames : instanceNames; - var memberName = member.name && ts.getPropertyNameForPropertyNameNode(member.name); - if (memberName) { - switch (member.kind) { - case 150: - addName(names, member.name, memberName, 1); - break; - case 151: - addName(names, member.name, memberName, 2); - break; - case 146: - addName(names, member.name, memberName, 3); - break; + else if (declaration_1.kind === 193) { + var container = ts.getThisContainer(node, false); + while (container !== undefined) { + if (container.parent === declaration_1) { + if (container.kind === 146 && ts.hasModifier(container, 32)) { + getNodeLinks(declaration_1).flags |= 8388608; + getNodeLinks(node).flags |= 16777216; + } + break; } + container = ts.getThisContainer(container, false); } } } - function addName(names, location, name, meaning) { - var prev = names[name]; - if (prev) { - if (prev & meaning) { - error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location)); - } - else { - names[name] = prev | meaning; + checkCollisionWithCapturedSuperVariable(node, node); + checkCollisionWithCapturedThisVariable(node, node); + checkNestedBlockScopedBinding(node, symbol); + var type = getTypeOfSymbol(localOrExportSymbol); + var declaration = localOrExportSymbol.valueDeclaration; + if (!(localOrExportSymbol.flags & 3) || ts.isAssignmentTarget(node) || !declaration) { + return type; + } + var isParameter = ts.getRootDeclaration(declaration).kind === 143; + var declarationContainer = getControlFlowContainer(declaration); + var flowContainer = getControlFlowContainer(node); + var isOuterVariable = flowContainer !== declarationContainer; + while (flowContainer !== declarationContainer && (flowContainer.kind === 180 || + flowContainer.kind === 181 || ts.isObjectLiteralOrClassExpressionMethod(flowContainer)) && + (isConstVariable(localOrExportSymbol) || isParameter && !isParameterAssigned(localOrExportSymbol))) { + flowContainer = getControlFlowContainer(flowContainer); + } + var assumeInitialized = isParameter || isOuterVariable || + type !== autoType && type !== autoArrayType && (!strictNullChecks || (type.flags & 1) !== 0) || + ts.isInAmbientContext(declaration); + var flowType = getFlowTypeOfReference(node, type, assumeInitialized, flowContainer); + if (type === autoType || type === autoArrayType) { + if (flowType === autoType || flowType === autoArrayType) { + if (compilerOptions.noImplicitAny) { + error(declaration.name, ts.Diagnostics.Variable_0_implicitly_has_type_1_in_some_locations_where_its_type_cannot_be_determined, symbolToString(symbol), typeToString(flowType)); + error(node, ts.Diagnostics.Variable_0_implicitly_has_an_1_type, symbolToString(symbol), typeToString(flowType)); } + return convertAutoToAny(flowType); } - else { - names[name] = meaning; - } } + else if (!assumeInitialized && !(getFalsyFlags(type) & 2048) && getFalsyFlags(flowType) & 2048) { + error(node, ts.Diagnostics.Variable_0_is_used_before_being_assigned, symbolToString(symbol)); + return type; + } + return flowType; } - function checkObjectTypeForDuplicateDeclarations(node) { - var names = ts.createMap(); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind == 145) { - var memberName = void 0; - switch (member.name.kind) { - case 9: - case 8: - case 70: - memberName = member.name.text; - break; - default: - continue; - } - if (names[memberName]) { - error(member.symbol.valueDeclaration.name, ts.Diagnostics.Duplicate_identifier_0, memberName); - error(member.name, ts.Diagnostics.Duplicate_identifier_0, memberName); - } - else { - names[memberName] = true; - } + function isInsideFunction(node, threshold) { + var current = node; + while (current && current !== threshold) { + if (ts.isFunctionLike(current)) { + return true; } + current = current.parent; } + return false; } - function checkTypeForDuplicateIndexSignatures(node) { - if (node.kind === 223) { - var nodeSymbol = getSymbolOfNode(node); - if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { - return; + function checkNestedBlockScopedBinding(node, symbol) { + if (languageVersion >= 2 || + (symbol.flags & (2 | 32)) === 0 || + symbol.valueDeclaration.parent.kind === 252) { + return; + } + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + var usedInFunction = isInsideFunction(node.parent, container); + var current = container; + var containedInIterationStatement = false; + while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { + if (ts.isIterationStatement(current, false)) { + containedInIterationStatement = true; + break; } + current = current.parent; } - var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); - if (indexSymbol) { - var seenNumericIndexer = false; - var seenStringIndexer = false; - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var declaration = decl; - if (declaration.parameters.length === 1 && declaration.parameters[0].type) { - switch (declaration.parameters[0].type.kind) { - case 133: - if (!seenStringIndexer) { - seenStringIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_string_index_signature); - } - break; - case 131: - if (!seenNumericIndexer) { - seenNumericIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_number_index_signature); - } - break; - } - } + if (containedInIterationStatement) { + if (usedInFunction) { + getNodeLinks(current).flags |= 65536; + } + if (container.kind === 207 && + ts.getAncestor(symbol.valueDeclaration, 220).parent === container && + isAssignedInBodyOfForStatement(node, container)) { + getNodeLinks(symbol.valueDeclaration).flags |= 2097152; } + getNodeLinks(symbol.valueDeclaration).flags |= 262144; } - } - function checkPropertyDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); - checkVariableLikeDeclaration(node); - } - function checkMethodDeclaration(node) { - checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); - checkFunctionOrMethodDeclaration(node); - if (ts.getModifierFlags(node) & 128 && node.body) { - error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + if (usedInFunction) { + getNodeLinks(symbol.valueDeclaration).flags |= 131072; } } - function checkConstructorDeclaration(node) { - checkSignatureDeclaration(node); - checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); - checkSourceElement(node.body); - registerForUnusedIdentifiersCheck(node); - var symbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(symbol); + function isAssignedInBodyOfForStatement(node, container) { + var current = node; + while (current.parent.kind === 179) { + current = current.parent; } - if (ts.nodeIsMissing(node.body)) { - return; + var isAssigned = false; + if (ts.isAssignmentTarget(current)) { + isAssigned = true; } - if (!produceDiagnostics) { - return; + else if ((current.parent.kind === 186 || current.parent.kind === 187)) { + var expr = current.parent; + isAssigned = expr.operator === 42 || expr.operator === 43; } - function containsSuperCallAsComputedPropertyName(n) { - return n.name && containsSuperCall(n.name); + if (!isAssigned) { + return false; } - function containsSuperCall(n) { - if (ts.isSuperCall(n)) { + while (current !== container) { + if (current === container.statement) { return true; } - else if (ts.isFunctionLike(n)) { - return false; - } - else if (ts.isClassLike(n)) { - return ts.forEach(n.members, containsSuperCallAsComputedPropertyName); + else { + current = current.parent; } - return ts.forEachChild(n, containsSuperCall); } - function markThisReferencesAsErrors(n) { - if (n.kind === 98) { - error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - } - else if (n.kind !== 180 && n.kind !== 221) { - ts.forEachChild(n, markThisReferencesAsErrors); - } + return false; + } + function captureLexicalThis(node, container) { + getNodeLinks(node).flags |= 2; + if (container.kind === 146 || container.kind === 149) { + var classNode = container.parent; + getNodeLinks(classNode).flags |= 4; } - function isInstancePropertyWithInitializer(n) { - return n.kind === 146 && - !(ts.getModifierFlags(n) & 32) && - !!n.initializer; + else { + getNodeLinks(container).flags |= 4; } - var containingClassDecl = node.parent; - if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { - captureLexicalThis(node.parent, containingClassDecl); - var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); - var superCall = getSuperCallInConstructor(node); - if (superCall) { - if (classExtendsNull) { - error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); - } - var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || - ts.forEach(node.parameters, function (p) { return ts.getModifierFlags(p) & 92; }); - if (superCallShouldBeFirst) { - var statements = node.body.statements; - var superCallStatement = void 0; - for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { - var statement = statements_2[_i]; - if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { - superCallStatement = statement; - break; - } - if (!ts.isPrologueDirective(statement)) { - break; - } - } - if (!superCallStatement) { - error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); - } - } - } - else if (!classExtendsNull) { - error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); - } + } + function findFirstSuperCall(n) { + if (ts.isSuperCall(n)) { + return n; + } + else if (ts.isFunctionLike(n)) { + return undefined; } + return ts.forEachChild(n, findFirstSuperCall); } - function checkAccessorDeclaration(node) { - if (produceDiagnostics) { - checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); - checkDecorators(node); - checkSignatureDeclaration(node); - if (node.kind === 150) { - if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 128)) { - if (!(node.flags & 256)) { - error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); - } + function getSuperCallInConstructor(constructor) { + var links = getNodeLinks(constructor); + if (links.hasSuperCall === undefined) { + links.superCall = findFirstSuperCall(constructor.body); + links.hasSuperCall = links.superCall ? true : false; + } + return links.superCall; + } + function classDeclarationExtendsNull(classDecl) { + var classSymbol = getSymbolOfNode(classDecl); + var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); + return baseConstructorType === nullWideningType; + } + function checkThisExpression(node) { + var container = ts.getThisContainer(node, true); + var needToCaptureLexicalThis = false; + if (container.kind === 149) { + var containingClassDecl = container.parent; + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); + if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { + var superCall = getSuperCallInConstructor(container); + if (!superCall || superCall.end > node.pos) { + error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); } } - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var otherKind = node.kind === 150 ? 151 : 150; - var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); - if (otherAccessor) { - if ((ts.getModifierFlags(node) & 28) !== (ts.getModifierFlags(otherAccessor) & 28)) { - error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); - } - if (ts.hasModifier(node, 128) !== ts.hasModifier(otherAccessor, 128)) { - error(node.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract); - } - checkAccessorDeclarationTypesIdentical(node, otherAccessor, getAnnotatedAccessorType, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); - checkAccessorDeclarationTypesIdentical(node, otherAccessor, getThisTypeOfDeclaration, ts.Diagnostics.get_and_set_accessor_must_have_the_same_this_type); + } + if (container.kind === 181) { + container = ts.getThisContainer(container, false); + needToCaptureLexicalThis = (languageVersion < 2); + } + switch (container.kind) { + case 226: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); + break; + case 225: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + break; + case 149: + if (isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + } + break; + case 146: + case 145: + if (ts.getModifierFlags(container) & 32) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + } + break; + case 141: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); + break; + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node, container); + } + if (ts.isFunctionLike(container) && + (!isInParameterInitializerBeforeContainingFunction(node) || ts.getThisParameter(container))) { + if (container.kind === 180 && + ts.isInJavaScriptFile(container.parent) && + ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { + var className = container.parent + .left + .expression + .expression; + var classSymbol = checkExpression(className).symbol; + if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { + return getInferredClassType(classSymbol); } } - var returnType = getTypeOfAccessors(getSymbolOfNode(node)); - if (node.kind === 150) { - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType); + var thisType = getThisTypeOfDeclaration(container) || getContextualThisParameterType(container); + if (thisType) { + return thisType; } } - if (node.parent.kind !== 172) { - checkSourceElement(node.body); - registerForUnusedIdentifiersCheck(node); + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + var type = ts.hasModifier(container, 32) ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + return getFlowTypeOfReference(node, type, true, undefined); } - else { - checkNodeDeferred(node); + if (ts.isInJavaScriptFile(node)) { + var type = getTypeForThisExpressionFromJSDoc(container); + if (type && type !== unknownType) { + return type; + } } - } - function checkAccessorDeclarationTypesIdentical(first, second, getAnnotatedType, message) { - var firstType = getAnnotatedType(first); - var secondType = getAnnotatedType(second); - if (firstType && secondType && !isTypeIdenticalTo(firstType, secondType)) { - error(first, message); + if (compilerOptions.noImplicitThis) { + error(node, ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation); } + return anyType; } - function checkAccessorDeferred(node) { - checkSourceElement(node.body); - registerForUnusedIdentifiersCheck(node); - } - function checkMissingDeclaration(node) { - checkDecorators(node); + function getTypeForThisExpressionFromJSDoc(node) { + var typeTag = ts.getJSDocTypeTag(node); + if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 269) { + var jsDocFunctionType = typeTag.typeExpression.type; + if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 272) { + return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + } + } } - function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { - var typeArguments; - var mapper; - var result = true; - for (var i = 0; i < typeParameters.length; i++) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - if (!typeArguments) { - typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); - mapper = createTypeMapper(typeParameters, typeArguments); - } - var typeArgument = typeArguments[i]; - result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + function isInConstructorArgumentInitializer(node, constructorDecl) { + for (var n = node; n && n !== constructorDecl; n = n.parent) { + if (n.kind === 143) { + return true; } } - return result; + return false; } - function checkTypeReferenceNode(node) { - checkGrammarTypeArguments(node, node.typeArguments); - var type = getTypeFromTypeReference(node); - if (type !== unknownType) { - if (node.typeArguments) { - ts.forEach(node.typeArguments, checkSourceElement); - if (produceDiagnostics) { - var symbol = getNodeLinks(node).resolvedSymbol; - var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; - checkTypeArgumentConstraints(typeParameters, node.typeArguments); - } + function checkSuperExpression(node) { + var isCallExpression = node.parent.kind === 175 && node.parent.expression === node; + var container = ts.getSuperContainer(node, true); + var needToCaptureLexicalThis = false; + if (!isCallExpression) { + while (container && container.kind === 181) { + container = ts.getSuperContainer(container, true); + needToCaptureLexicalThis = languageVersion < 2; } - if (type.flags & 16 && !type.memberTypes && getNodeLinks(node).resolvedSymbol.flags & 8) { - error(node, ts.Diagnostics.Enum_type_0_has_members_with_initializers_that_are_not_literals, typeToString(type)); + } + var canUseSuperExpression = isLegalUsageOfSuperExpression(container); + var nodeCheckFlag = 0; + if (!canUseSuperExpression) { + var current = node; + while (current && current !== container && current.kind !== 141) { + current = current.parent; + } + if (current && current.kind === 141) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + else if (isCallExpression) { + error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + } + else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 172)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + } + else { + error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); } + return unknownType; } - } - function checkTypeQuery(node) { - getTypeFromTypeQueryNode(node); - } - function checkTypeLiteral(node) { - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - checkObjectTypeForDuplicateDeclarations(node); + if ((ts.getModifierFlags(container) & 32) || isCallExpression) { + nodeCheckFlag = 512; + } + else { + nodeCheckFlag = 256; } - } - function checkArrayType(node) { - checkSourceElement(node.elementType); - } - function checkTupleType(node) { - var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); - if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { - grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); + getNodeLinks(node).flags |= nodeCheckFlag; + if (container.kind === 148 && ts.getModifierFlags(container) & 256) { + if (ts.isSuperProperty(node.parent) && ts.isAssignmentTarget(node.parent)) { + getNodeLinks(container).flags |= 4096; + } + else { + getNodeLinks(container).flags |= 2048; + } } - ts.forEach(node.elementTypes, checkSourceElement); - } - function checkUnionOrIntersectionType(node) { - ts.forEach(node.types, checkSourceElement); - } - function isPrivateWithinAmbient(node) { - return (ts.getModifierFlags(node) & 8) && ts.isInAmbientContext(node); - } - function getEffectiveDeclarationFlags(n, flagsToCheck) { - var flags = ts.getCombinedModifierFlags(n); - if (n.parent.kind !== 223 && - n.parent.kind !== 222 && - n.parent.kind !== 193 && - ts.isInAmbientContext(n)) { - if (!(flags & 2)) { - flags |= 1; + if (needToCaptureLexicalThis) { + captureLexicalThis(node.parent, container); + } + if (container.parent.kind === 172) { + if (languageVersion < 2) { + error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); + return unknownType; + } + else { + return anyType; } - flags |= 2; } - return flags & flagsToCheck; - } - function checkFunctionOrConstructorSymbol(symbol) { - if (!produceDiagnostics) { - return; + var classLikeDeclaration = container.parent; + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); + var baseClassType = classType && getBaseTypes(classType)[0]; + if (!baseClassType) { + if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); + } + return unknownType; } - function getCanonicalOverload(overloads, implementation) { - var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; - return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + if (container.kind === 149 && isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); + return unknownType; } - function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { - var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; - if (someButNotAllOverloadFlags !== 0) { - var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); - ts.forEach(overloads, function (o) { - var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; - if (deviation & 1) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_non_exported); - } - else if (deviation & 2) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); - } - else if (deviation & (8 | 16)) { - error(o.name || o, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); + return nodeCheckFlag === 512 + ? getBaseConstructorTypeOfClass(classType) + : getTypeWithThisArgument(baseClassType, classType.thisType); + function isLegalUsageOfSuperExpression(container) { + if (!container) { + return false; + } + if (isCallExpression) { + return container.kind === 149; + } + else { + if (ts.isClassLike(container.parent) || container.parent.kind === 172) { + if (ts.getModifierFlags(container) & 32) { + return container.kind === 148 || + container.kind === 147 || + container.kind === 150 || + container.kind === 151; } - else if (deviation & 128) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_non_abstract); + else { + return container.kind === 148 || + container.kind === 147 || + container.kind === 150 || + container.kind === 151 || + container.kind === 146 || + container.kind === 145 || + container.kind === 149; } - }); + } } + return false; } - function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { - if (someHaveQuestionToken !== allHaveQuestionToken) { - var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); - ts.forEach(overloads, function (o) { - var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; - if (deviation) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); - } - }); + } + function getContextualThisParameterType(func) { + if (isContextSensitiveFunctionOrObjectLiteralMethod(func) && func.kind !== 181) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var thisParameter = contextualSignature.thisParameter; + if (thisParameter) { + return getTypeOfSymbol(thisParameter); + } } } - var flagsToCheck = 1 | 2 | 8 | 16 | 128; - var someNodeFlags = 0; - var allNodeFlags = flagsToCheck; - var someHaveQuestionToken = false; - var allHaveQuestionToken = true; - var hasOverloads = false; - var bodyDeclaration; - var lastSeenNonAmbientDeclaration; - var previousDeclaration; - var declarations = symbol.declarations; - var isConstructor = (symbol.flags & 16384) !== 0; - function reportImplementationExpectedError(node) { - if (node.name && ts.nodeIsMissing(node.name)) { - return; - } - var seen = false; - var subsequentNode = ts.forEachChild(node.parent, function (c) { - if (seen) { - return c; - } - else { - seen = c === node; - } - }); - if (subsequentNode && subsequentNode.pos === node.end) { - if (subsequentNode.kind === node.kind) { - var errorNode_1 = subsequentNode.name || subsequentNode; - if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { - var reportError = (node.kind === 148 || node.kind === 147) && - (ts.getModifierFlags(node) & 32) !== (ts.getModifierFlags(subsequentNode) & 32); - if (reportError) { - var diagnostic = ts.getModifierFlags(node) & 32 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; - error(errorNode_1, diagnostic); + return undefined; + } + function getContextuallyTypedParameterType(parameter) { + var func = parameter.parent; + if (isContextSensitiveFunctionOrObjectLiteralMethod(func)) { + var iife = ts.getImmediatelyInvokedFunctionExpression(func); + if (iife) { + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (iife.arguments && indexOfParameter < iife.arguments.length) { + if (parameter.dotDotDotToken) { + var restTypes = []; + for (var i = indexOfParameter; i < iife.arguments.length; i++) { + restTypes.push(getWidenedLiteralType(checkExpression(iife.arguments[i]))); } - return; - } - else if (ts.nodeIsPresent(subsequentNode.body)) { - error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); - return; + return createArrayType(getUnionType(restTypes)); } + var links = getNodeLinks(iife); + var cached = links.resolvedSignature; + links.resolvedSignature = anySignature; + var type = getWidenedLiteralType(checkExpression(iife.arguments[indexOfParameter])); + links.resolvedSignature = cached; + return type; } } - var errorNode = node.name || node; - if (isConstructor) { - error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); - } - else { - if (ts.getModifierFlags(node) & 128) { - error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var funcHasRestParameters = ts.hasRestParameter(func); + var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (indexOfParameter < len) { + return getTypeAtPosition(contextualSignature, indexOfParameter); } - else { - error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + if (funcHasRestParameters && + indexOfParameter === (func.parameters.length - 1) && + isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { + return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); } } } - var duplicateFunctionDeclaration = false; - var multipleConstructorImplementation = false; - for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { - var current = declarations_4[_i]; - var node = current; - var inAmbientContext = ts.isInAmbientContext(node); - var inAmbientContextOrInterface = node.parent.kind === 223 || node.parent.kind === 160 || inAmbientContext; - if (inAmbientContextOrInterface) { - previousDeclaration = undefined; + return undefined; + } + function getContextualTypeForInitializerExpression(node) { + var declaration = node.parent; + if (node === declaration.initializer) { + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); } - if (node.kind === 221 || node.kind === 148 || node.kind === 147 || node.kind === 149) { - var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); - someNodeFlags |= currentNodeFlags; - allNodeFlags &= currentNodeFlags; - someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); - allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); - if (ts.nodeIsPresent(node.body) && bodyDeclaration) { - if (isConstructor) { - multipleConstructorImplementation = true; - } - else { - duplicateFunctionDeclaration = true; - } - } - else if (previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { - reportImplementationExpectedError(previousDeclaration); + if (declaration.kind === 143) { + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; } - if (ts.nodeIsPresent(node.body)) { - if (!bodyDeclaration) { - bodyDeclaration = node; + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, true, false); + } + if (ts.isBindingPattern(declaration.parent)) { + var parentDeclaration = declaration.parent.parent; + var name_18 = declaration.propertyName || declaration.name; + if (ts.isVariableLike(parentDeclaration) && + parentDeclaration.type && + !ts.isBindingPattern(name_18)) { + var text = getTextOfPropertyName(name_18); + if (text) { + return getTypeOfPropertyOfType(getTypeFromTypeNode(parentDeclaration.type), text); } } - else { - hasOverloads = true; - } - previousDeclaration = node; - if (!inAmbientContextOrInterface) { - lastSeenNonAmbientDeclaration = node; - } } } - if (multipleConstructorImplementation) { - ts.forEach(declarations, function (declaration) { - error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); - }); + return undefined; + } + function getContextualTypeForReturnExpression(node) { + var func = ts.getContainingFunction(node); + if (ts.isAsyncFunctionLike(func)) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return getPromisedType(contextualReturnType); + } + return undefined; } - if (duplicateFunctionDeclaration) { - ts.forEach(declarations, function (declaration) { - error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); - }); + if (func && !func.asteriskToken) { + return getContextualReturnType(func); } - if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && - !(ts.getModifierFlags(lastSeenNonAmbientDeclaration) & 128) && !lastSeenNonAmbientDeclaration.questionToken) { - reportImplementationExpectedError(lastSeenNonAmbientDeclaration); + return undefined; + } + function getContextualTypeForYieldOperand(node) { + var func = ts.getContainingFunction(node); + if (func) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return node.asteriskToken + ? contextualReturnType + : getElementTypeOfIterableIterator(contextualReturnType); + } } - if (hasOverloads) { - checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); - checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); - if (bodyDeclaration) { - var signatures = getSignaturesOfSymbol(symbol); - var bodySignature = getSignatureFromDeclaration(bodyDeclaration); - for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { - var signature = signatures_3[_a]; - if (!isImplementationCompatibleWithOverload(bodySignature, signature)) { - error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); - break; - } - } + return undefined; + } + function isInParameterInitializerBeforeContainingFunction(node) { + while (node.parent && !ts.isFunctionLike(node.parent)) { + if (node.parent.kind === 143 && node.parent.initializer === node) { + return true; } + node = node.parent; } + return false; } - function checkExportsOnMergedDeclarations(node) { - if (!produceDiagnostics) { - return; + function getContextualReturnType(functionDecl) { + if (functionDecl.type || + functionDecl.kind === 149 || + functionDecl.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 151))) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); } - var symbol = node.localSymbol; - if (!symbol) { - symbol = getSymbolOfNode(node); - if (!(symbol.flags & 7340032)) { - return; - } + var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); + if (signature) { + return getReturnTypeOfSignature(signature); } - if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { - return; + return undefined; + } + function getContextualTypeForArgument(callTarget, arg) { + var args = getEffectiveCallArguments(callTarget); + var argIndex = ts.indexOf(args, arg); + if (argIndex >= 0) { + var signature = getResolvedOrAnySignature(callTarget); + return getTypeAtPosition(signature, argIndex); } - var exportedDeclarationSpaces = 0; - var nonExportedDeclarationSpaces = 0; - var defaultExportedDeclarationSpaces = 0; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var d = _a[_i]; - var declarationSpaces = getDeclarationSpaces(d); - var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 1 | 512); - if (effectiveDeclarationFlags & 1) { - if (effectiveDeclarationFlags & 512) { - defaultExportedDeclarationSpaces |= declarationSpaces; - } - else { - exportedDeclarationSpaces |= declarationSpaces; - } + return undefined; + } + function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { + if (template.parent.kind === 177) { + return getContextualTypeForArgument(template.parent, substitutionExpression); + } + return undefined; + } + function getContextualTypeForBinaryOperand(node) { + var binaryExpression = node.parent; + var operator = binaryExpression.operatorToken.kind; + if (operator >= 57 && operator <= 69) { + if (ts.getSpecialPropertyAssignmentKind(binaryExpression) !== 0) { + return undefined; } - else { - nonExportedDeclarationSpaces |= declarationSpaces; + if (node === binaryExpression.right) { + return checkExpression(binaryExpression.left); } } - var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; - var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; - var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; - if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { - for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { - var d = _c[_b]; - var declarationSpaces = getDeclarationSpaces(d); - if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { - error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); - } - else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { - error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); - } + else if (operator === 53) { + var type = getContextualType(binaryExpression); + if (!type && node === binaryExpression.right) { + type = checkExpression(binaryExpression.left); } + return type; } - function getDeclarationSpaces(d) { - switch (d.kind) { - case 223: - return 2097152; - case 226: - return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 - ? 4194304 | 1048576 - : 4194304; - case 222: - case 225: - return 2097152 | 1048576; - case 230: - var result_2 = 0; - var target = resolveAlias(getSymbolOfNode(d)); - ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); - return result_2; - default: - return 1048576; + else if (operator === 52 || operator === 25) { + if (node === binaryExpression.right) { + return getContextualType(binaryExpression); } } + return undefined; } - function checkNonThenableType(type, location, message) { - type = getWidenedType(type); - if (!isTypeAny(type) && !isTypeNever(type) && isTypeAssignableTo(type, getGlobalThenableType())) { - if (location) { - if (!message) { - message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + function applyToContextualType(type, mapper) { + if (!(type.flags & 65536)) { + return mapper(type); + } + var types = type.types; + var mappedType; + var mappedTypes; + for (var _i = 0, types_13 = types; _i < types_13.length; _i++) { + var current = types_13[_i]; + var t = mapper(current); + if (t) { + if (!mappedType) { + mappedType = t; + } + else if (!mappedTypes) { + mappedTypes = [mappedType, t]; + } + else { + mappedTypes.push(t); } - error(location, message); } - return unknownType; } - return type; + return mappedTypes ? getUnionType(mappedTypes) : mappedType; } - function getPromisedType(promise) { - if (isTypeAny(promise)) { - return undefined; - } - if (promise.flags & 131072) { - if (promise.target === tryGetGlobalPromiseType() - || promise.target === getGlobalPromiseLikeType()) { - return promise.typeArguments[0]; - } - } - var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); - if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { - return undefined; - } - var thenFunction = getTypeOfPropertyOfType(promise, "then"); - if (!thenFunction || isTypeAny(thenFunction)) { - return undefined; - } - var thenSignatures = getSignaturesOfType(thenFunction, 0); - if (thenSignatures.length === 0) { - return undefined; - } - var onfulfilledParameterType = getTypeWithFacts(getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)), 131072); - if (isTypeAny(onfulfilledParameterType)) { - return undefined; - } - var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); - if (onfulfilledParameterSignatures.length === 0) { - return undefined; - } - return getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature), true); + function getTypeOfPropertyOfContextualType(type, name) { + return applyToContextualType(type, function (t) { + var prop = t.flags & 229376 ? getPropertyOfType(t, name) : undefined; + return prop ? getTypeOfSymbol(prop) : undefined; + }); } - function getTypeOfFirstParameterOfSignature(signature) { - return signature.parameters.length > 0 ? getTypeAtPosition(signature, 0) : neverType; + function getIndexTypeOfContextualType(type, kind) { + return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); } - function getAwaitedType(type) { - return checkAwaitedType(type, undefined, undefined); + function contextualTypeIsTupleLikeType(type) { + return !!(type.flags & 65536 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); } - function checkAwaitedType(type, location, message) { - return checkAwaitedTypeWorker(type); - function checkAwaitedTypeWorker(type) { - if (type.flags & 524288) { - var types = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var constituentType = _a[_i]; - types.push(checkAwaitedTypeWorker(constituentType)); - } - return getUnionType(types, true); - } - else { - var promisedType = getPromisedType(type); - if (promisedType === undefined) { - return checkNonThenableType(type, location, message); - } - else { - if (type.id === promisedType.id || ts.indexOf(awaitedTypeStack, promisedType.id) >= 0) { - if (location) { - error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); - } - return unknownType; - } - awaitedTypeStack.push(type.id); - var awaitedType = checkAwaitedTypeWorker(promisedType); - awaitedTypeStack.pop(); - return awaitedType; + function getContextualTypeForObjectLiteralMethod(node) { + ts.Debug.assert(ts.isObjectLiteralMethod(node)); + if (isInsideWithStatementBody(node)) { + return undefined; + } + return getContextualTypeForObjectLiteralElement(node); + } + function getContextualTypeForObjectLiteralElement(element) { + var objectLiteral = element.parent; + var type = getApparentTypeOfContextualType(objectLiteral); + if (type) { + if (!ts.hasDynamicName(element)) { + var symbolName = getSymbolOfNode(element).name; + var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); + if (propertyType) { + return propertyType; } } + return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || + getIndexTypeOfContextualType(type, 0); } + return undefined; } - function checkCorrectPromiseType(returnType, location, diagnostic, typeName) { - if (returnType === unknownType) { - return unknownType; - } - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType === emptyGenericType - || globalPromiseType === getTargetType(returnType)) { - return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + function getContextualTypeForElementExpression(node) { + var arrayLiteral = node.parent; + var type = getApparentTypeOfContextualType(arrayLiteral); + if (type) { + var index = ts.indexOf(arrayLiteral.elements, node); + return getTypeOfPropertyOfContextualType(type, "" + index) + || getIndexTypeOfContextualType(type, 1) + || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); } - error(location, diagnostic, typeName); - return unknownType; + return undefined; } - function checkAsyncFunctionReturnType(node) { - if (languageVersion >= 2) { - var returnType = getTypeFromTypeNode(node.type); - return checkCorrectPromiseType(returnType, node.type, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); - } - var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); - if (globalPromiseConstructorLikeType === emptyObjectType) { - return unknownType; - } - var promiseType = getTypeFromTypeNode(node.type); - if (promiseType === unknownType && compilerOptions.isolatedModules) { - return unknownType; - } - var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; - if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { - var typeName = promiseConstructor - ? symbolToString(promiseConstructor) - : typeToString(promiseType); - return checkCorrectPromiseType(promiseType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); - } - checkReturnTypeAnnotationAsExpression(node); - var promiseConstructorType = getTypeOfSymbol(promiseConstructor); - if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { - return unknownType; + function getContextualTypeForConditionalOperand(node) { + var conditional = node.parent; + return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + } + function getContextualTypeForJsxAttribute(attribute) { + var kind = attribute.kind; + var jsxElement = attribute.parent; + var attrsType = getJsxElementAttributesType(jsxElement); + if (attribute.kind === 246) { + if (!attrsType || isTypeAny(attrsType)) { + return undefined; + } + return getTypeOfPropertyOfType(attrsType, attribute.name.text); } - var promiseName = ts.getEntityNameFromTypeNode(node.type); - var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); - var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); - if (rootSymbol) { - error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); - return unknownType; + else if (attribute.kind === 247) { + return attrsType; } - return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); } - function checkDecorator(node) { - var signature = getResolvedSignature(node); - var returnType = getReturnTypeOfSignature(signature); - if (returnType.flags & 1) { - return; + function getApparentTypeOfContextualType(node) { + var type = getContextualType(node); + return type && getApparentType(type); + } + function getContextualType(node) { + if (isInsideWithStatementBody(node)) { + return undefined; } - var expectedReturnType; - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - var errorInfo; - switch (node.parent.kind) { - case 222: - var classSymbol = getSymbolOfNode(node.parent); - var classConstructorType = getTypeOfSymbol(classSymbol); - expectedReturnType = getUnionType([classConstructorType, voidType]); - break; + if (node.contextualType) { + return node.contextualType; + } + var parent = node.parent; + switch (parent.kind) { + case 219: case 143: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); - break; case 146: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); - break; - case 148: - case 150: - case 151: - var methodType = getTypeOfNode(node.parent); - var descriptorType = createTypedPropertyDescriptorType(methodType); - expectedReturnType = getUnionType([descriptorType, voidType]); - break; + case 145: + case 170: + return getContextualTypeForInitializerExpression(node); + case 181: + case 212: + return getContextualTypeForReturnExpression(node); + case 191: + return getContextualTypeForYieldOperand(parent); + case 175: + case 176: + return getContextualTypeForArgument(parent, node); + case 178: + case 196: + return getTypeFromTypeNode(parent.type); + case 188: + return getContextualTypeForBinaryOperand(node); + case 253: + case 254: + return getContextualTypeForObjectLiteralElement(parent); + case 171: + return getContextualTypeForElementExpression(node); + case 189: + return getContextualTypeForConditionalOperand(node); + case 198: + ts.Debug.assert(parent.parent.kind === 190); + return getContextualTypeForSubstitutionExpression(parent.parent, node); + case 179: + return getContextualType(parent); + case 248: + return getContextualType(parent); + case 246: + case 247: + return getContextualTypeForJsxAttribute(parent); } - checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + return undefined; } - function checkTypeNodeAsExpression(node) { - if (node && node.kind === 156) { - var root = getFirstIdentifier(node.typeName); - var meaning = root.parent.kind === 156 ? 793064 : 1920; - var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); - if (rootSymbol && rootSymbol.flags & 8388608) { - var aliasTarget = resolveAlias(rootSymbol); - if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { - markAliasSymbolAsReferenced(rootSymbol); - } + function getNonGenericSignature(type) { + var signatures = getSignaturesOfStructuredType(type, 0); + if (signatures.length === 1) { + var signature = signatures[0]; + if (!signature.typeParameters) { + return signature; } } } - function checkTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); + function isFunctionExpressionOrArrowFunction(node) { + return node.kind === 180 || node.kind === 181; } - function checkReturnTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); + function getContextualSignatureForFunctionLikeDeclaration(node) { + return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) + ? getContextualSignature(node) + : undefined; } - function checkParameterTypeAnnotationsAsExpressions(node) { - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - checkTypeAnnotationAsExpression(parameter); - } + function getContextualTypeForFunctionLikeDeclaration(node) { + return ts.isObjectLiteralMethod(node) ? + getContextualTypeForObjectLiteralMethod(node) : + getApparentTypeOfContextualType(node); } - function checkDecorators(node) { - if (!node.decorators) { - return; - } - if (!ts.nodeCanBeDecorated(node)) { - return; + function getContextualSignature(node) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + var type = getContextualTypeForFunctionLikeDeclaration(node); + if (!type) { + return undefined; } - if (!compilerOptions.experimentalDecorators) { - error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); + if (!(type.flags & 65536)) { + return getNonGenericSignature(type); } - if (compilerOptions.emitDecoratorMetadata) { - switch (node.kind) { - case 222: - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - checkParameterTypeAnnotationsAsExpressions(constructor); - } - break; - case 148: - case 150: - case 151: - checkParameterTypeAnnotationsAsExpressions(node); - checkReturnTypeAnnotationAsExpression(node); - break; - case 146: - case 143: - checkTypeAnnotationAsExpression(node); - break; + var signatureList; + var types = type.types; + for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { + var current = types_14[_i]; + var signature = getNonGenericSignature(current); + if (signature) { + if (!signatureList) { + signatureList = [signature]; + } + else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, true, compareTypesIdentical)) { + return undefined; + } + else { + signatureList.push(signature); + } } } - ts.forEach(node.decorators, checkDecorator); - } - function checkFunctionDeclaration(node) { - if (produceDiagnostics) { - checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + var result; + if (signatureList) { + result = cloneSignature(signatureList[0]); + result.resolvedReturnType = undefined; + result.unionSignatures = signatureList; } + return result; } - function checkFunctionOrMethodDeclaration(node) { - checkDecorators(node); - checkSignatureDeclaration(node); - var isAsync = ts.isAsyncFunctionLike(node); - if (node.name && node.name.kind === 141) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var symbol = getSymbolOfNode(node); - var localSymbol = node.localSymbol || symbol; - var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? - declaration : undefined; }); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(localSymbol); - } - if (symbol.parent) { - if (ts.getDeclarationOfKind(symbol, node.kind) === node) { - checkFunctionOrConstructorSymbol(symbol); + function isInferentialContext(mapper) { + return mapper && mapper.context; + } + function checkSpreadElementExpression(node, contextualMapper) { + var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); + return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); + } + function hasDefaultValue(node) { + return (node.kind === 170 && !!node.initializer) || + (node.kind === 188 && node.operatorToken.kind === 57); + } + function checkArrayLiteral(node, contextualMapper) { + var elements = node.elements; + var hasSpreadElement = false; + var elementTypes = []; + var inDestructuringPattern = ts.isAssignmentTarget(node); + for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { + var e = elements_1[_i]; + if (inDestructuringPattern && e.kind === 192) { + var restArrayType = checkExpression(e.expression, contextualMapper); + var restElementType = getIndexTypeOfType(restArrayType, 1) || + (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); + if (restElementType) { + elementTypes.push(restElementType); } } + else { + var type = checkExpressionForMutableLocation(e, contextualMapper); + elementTypes.push(type); + } + hasSpreadElement = hasSpreadElement || e.kind === 192; } - checkSourceElement(node.body); - if (!node.asteriskToken) { - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (produceDiagnostics && !node.type) { - if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { - reportImplicitAnyError(node, anyType); + if (!hasSpreadElement) { + if (inDestructuringPattern && elementTypes.length) { + var type = cloneTypeReference(createTupleType(elementTypes)); + type.pattern = node; + return type; } - if (node.asteriskToken && ts.nodeIsPresent(node.body)) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { + var pattern = contextualType.pattern; + if (pattern && (pattern.kind === 169 || pattern.kind === 171)) { + var patternElements = pattern.elements; + for (var i = elementTypes.length; i < patternElements.length; i++) { + var patternElement = patternElements[i]; + if (hasDefaultValue(patternElement)) { + elementTypes.push(contextualType.typeArguments[i]); + } + else { + if (patternElement.kind !== 194) { + error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + elementTypes.push(unknownType); + } + } + } + if (elementTypes.length) { + return createTupleType(elementTypes); + } } } - registerForUnusedIdentifiersCheck(node); + return createArrayType(elementTypes.length ? + getUnionType(elementTypes, true) : + strictNullChecks ? neverType : undefinedWideningType); } - function registerForUnusedIdentifiersCheck(node) { - if (deferredUnusedIdentifierNodes) { - deferredUnusedIdentifierNodes.push(node); + function isNumericName(name) { + return name.kind === 141 ? isNumericComputedName(name) : isNumericLiteralName(name.text); + } + function isNumericComputedName(name) { + return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 340); + } + function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { + return isTypeAny(type) || isTypeOfKind(type, kind); + } + function isInfinityOrNaNString(name) { + return name === "Infinity" || name === "-Infinity" || name === "NaN"; + } + function isNumericLiteralName(name) { + return (+name).toString() === name; + } + function checkComputedPropertyName(node) { + var links = getNodeLinks(node.expression); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 340 | 34 | 512)) { + error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); + } + else { + checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); + } } + return links.resolvedType; } - function checkUnusedIdentifiers() { - if (deferredUnusedIdentifierNodes) { - for (var _i = 0, deferredUnusedIdentifierNodes_1 = deferredUnusedIdentifierNodes; _i < deferredUnusedIdentifierNodes_1.length; _i++) { - var node = deferredUnusedIdentifierNodes_1[_i]; - switch (node.kind) { - case 256: - case 226: - checkUnusedModuleMembers(node); - break; - case 222: - case 193: - checkUnusedClassMembers(node); - checkUnusedTypeParameters(node); - break; - case 223: - checkUnusedTypeParameters(node); - break; - case 200: - case 228: - case 207: - case 208: - case 209: - checkUnusedLocalsAndParameters(node); - break; - case 149: - case 180: - case 221: - case 181: - case 148: - case 150: - case 151: - if (node.body) { - checkUnusedLocalsAndParameters(node); - } - checkUnusedTypeParameters(node); - break; - case 147: - case 152: - case 153: - case 154: - case 157: - case 158: - checkUnusedTypeParameters(node); - break; - } - ; + function getObjectLiteralIndexInfo(node, properties, kind) { + var propTypes = []; + for (var i = 0; i < properties.length; i++) { + if (kind === 0 || isNumericName(node.properties[i].name)) { + propTypes.push(getTypeOfSymbol(properties[i])); } } + var unionType = propTypes.length ? getUnionType(propTypes, true) : undefinedType; + return createIndexInfo(unionType, false); } - function checkUnusedLocalsAndParameters(node) { - if (node.parent.kind !== 223 && noUnusedIdentifiers && !ts.isInAmbientContext(node)) { - var _loop_1 = function (key) { - var local = node.locals[key]; - if (!local.isReferenced) { - if (local.valueDeclaration && local.valueDeclaration.kind === 143) { - var parameter = local.valueDeclaration; - if (compilerOptions.noUnusedParameters && - !ts.isParameterPropertyDeclaration(parameter) && - !ts.parameterIsThisKeyword(parameter) && - !parameterNameStartsWithUnderscore(parameter)) { - error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); - } + function checkObjectLiteral(node, contextualMapper) { + var inDestructuringPattern = ts.isAssignmentTarget(node); + checkGrammarObjectLiteralExpression(node, inDestructuringPattern); + var propertiesTable = ts.createMap(); + var propertiesArray = []; + var contextualType = getApparentTypeOfContextualType(node); + var contextualTypeHasPattern = contextualType && contextualType.pattern && + (contextualType.pattern.kind === 168 || contextualType.pattern.kind === 172); + var typeFlags = 0; + var patternWithComputedProperties = false; + var hasComputedStringProperty = false; + var hasComputedNumberProperty = false; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var memberDecl = _a[_i]; + var member = memberDecl.symbol; + if (memberDecl.kind === 253 || + memberDecl.kind === 254 || + ts.isObjectLiteralMethod(memberDecl)) { + var type = void 0; + if (memberDecl.kind === 253) { + type = checkPropertyAssignment(memberDecl, contextualMapper); + } + else if (memberDecl.kind === 148) { + type = checkObjectLiteralMethod(memberDecl, contextualMapper); + } + else { + ts.Debug.assert(memberDecl.kind === 254); + type = checkExpressionForMutableLocation(memberDecl.name, contextualMapper); + } + typeFlags |= type.flags; + var prop = createSymbol(4 | 67108864 | member.flags, member.name); + if (inDestructuringPattern) { + var isOptional = (memberDecl.kind === 253 && hasDefaultValue(memberDecl.initializer)) || + (memberDecl.kind === 254 && memberDecl.objectAssignmentInitializer); + if (isOptional) { + prop.flags |= 536870912; } - else if (compilerOptions.noUnusedLocals) { - ts.forEach(local.declarations, function (d) { return error(d.name || d, ts.Diagnostics._0_is_declared_but_never_used, local.name); }); + if (ts.hasDynamicName(memberDecl)) { + patternWithComputedProperties = true; } } - }; - for (var key in node.locals) { - _loop_1(key); - } - } - } - function parameterNameStartsWithUnderscore(parameter) { - return parameter.name && parameter.name.kind === 70 && parameter.name.text.charCodeAt(0) === 95; - } - function checkUnusedClassMembers(node) { - if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { - if (node.members) { - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 148 || member.kind === 146) { - if (!member.symbol.isReferenced && ts.getModifierFlags(member) & 8) { - error(member.name, ts.Diagnostics._0_is_declared_but_never_used, member.symbol.name); - } + else if (contextualTypeHasPattern && !(getObjectFlags(contextualType) & 256)) { + var impliedProp = getPropertyOfType(contextualType, member.name); + if (impliedProp) { + prop.flags |= impliedProp.flags & 536870912; } - else if (member.kind === 149) { - for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { - var parameter = _c[_b]; - if (!parameter.symbol.isReferenced && ts.getModifierFlags(parameter) & 8) { - error(parameter.name, ts.Diagnostics.Property_0_is_declared_but_never_used, parameter.symbol.name); - } - } + else if (!compilerOptions.suppressExcessPropertyErrors) { + error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); } } - } - } - } - function checkUnusedTypeParameters(node) { - if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { - if (node.typeParameters) { - var symbol = getSymbolOfNode(node); - var lastDeclaration = symbol && symbol.declarations && ts.lastOrUndefined(symbol.declarations); - if (lastDeclaration !== node) { - return; + prop.declarations = member.declarations; + prop.parent = member.parent; + if (member.valueDeclaration) { + prop.valueDeclaration = member.valueDeclaration; + } + prop.type = type; + prop.target = member; + member = prop; + } + else { + ts.Debug.assert(memberDecl.kind === 150 || memberDecl.kind === 151); + checkAccessorDeclaration(memberDecl); + } + if (ts.hasDynamicName(memberDecl)) { + if (isNumericName(memberDecl.name)) { + hasComputedNumberProperty = true; } - for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) { - var typeParameter = _a[_i]; - if (!getMergedSymbol(typeParameter.symbol).isReferenced) { - error(typeParameter.name, ts.Diagnostics._0_is_declared_but_never_used, typeParameter.symbol.name); - } + else { + hasComputedStringProperty = true; } } + else { + propertiesTable[member.name] = member; + } + propertiesArray.push(member); } - } - function checkUnusedModuleMembers(node) { - if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { - for (var key in node.locals) { - var local = node.locals[key]; - if (!local.isReferenced && !local.exportSymbol) { - for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (!ts.isAmbientModule(declaration)) { - error(declaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); - } + if (contextualTypeHasPattern) { + for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!propertiesTable[prop.name]) { + if (!(prop.flags & 536870912)) { + error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); } + propertiesTable[prop.name] = prop; + propertiesArray.push(prop); } } } - } - function checkBlock(node) { - if (node.kind === 200) { - checkGrammarStatementInAmbientContext(node); + var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0) : undefined; + var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1) : undefined; + var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 262144; + result.flags |= 1048576 | freshObjectLiteralFlag | (typeFlags & 3670016); + result.objectFlags |= 64; + if (patternWithComputedProperties) { + result.objectFlags |= 256; } - ts.forEach(node.statements, checkSourceElement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); + if (inDestructuringPattern) { + result.pattern = node; } + return result; } - function checkCollisionWithArgumentsInGeneratedCode(node) { - if (!ts.hasDeclaredRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { - return; - } - ts.forEach(node.parameters, function (p) { - if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { - error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); - } - }); + function checkJsxSelfClosingElement(node) { + checkJsxOpeningLikeElement(node); + return jsxElementType || anyType; } - function needCollisionCheckForIdentifier(node, identifier, name) { - if (!(identifier && identifier.text === name)) { - return false; + function checkJsxElement(node) { + checkJsxOpeningLikeElement(node.openingElement); + if (isJsxIntrinsicIdentifier(node.closingElement.tagName)) { + getIntrinsicTagSymbol(node.closingElement); } - if (node.kind === 146 || - node.kind === 145 || - node.kind === 148 || - node.kind === 147 || - node.kind === 150 || - node.kind === 151) { - return false; + else { + checkExpression(node.closingElement.tagName); } - if (ts.isInAmbientContext(node)) { - return false; + for (var _i = 0, _a = node.children; _i < _a.length; _i++) { + var child = _a[_i]; + switch (child.kind) { + case 248: + checkJsxExpression(child); + break; + case 242: + checkJsxElement(child); + break; + case 243: + checkJsxSelfClosingElement(child); + break; + } } - var root = ts.getRootDeclaration(node); - if (root.kind === 143 && ts.nodeIsMissing(root.parent.body)) { + return jsxElementType || anyType; + } + function isUnhyphenatedJsxName(name) { + return name.indexOf("-") < 0; + } + function isJsxIntrinsicIdentifier(tagName) { + if (tagName.kind === 173 || tagName.kind === 98) { return false; } - return true; - } - function checkCollisionWithCapturedThisVariable(node, name) { - if (needCollisionCheckForIdentifier(node, name, "_this")) { - potentialThisCollisions.push(node); + else { + return ts.isIntrinsicJsxName(tagName.text); } } - function checkIfThisIsCapturedInEnclosingScope(node) { - var current = node; - while (current) { - if (getNodeCheckFlags(current) & 4) { - var isDeclaration_1 = node.kind !== 70; - if (isDeclaration_1) { - error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); + function checkJsxAttribute(node, elementAttributesType, nameTable) { + var correspondingPropType = undefined; + if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { + error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); + } + else if (elementAttributesType && !isTypeAny(elementAttributesType)) { + var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); + correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); + if (isUnhyphenatedJsxName(node.name.text)) { + var attributeType = getTypeOfPropertyOfType(elementAttributesType, getTextOfPropertyName(node.name)) || getIndexTypeOfType(elementAttributesType, 0); + if (attributeType) { + correspondingPropType = attributeType; } else { - error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); + if (!correspondingPropType) { + error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); + return unknownType; + } } - return; } - current = current.parent; } - } - function checkCollisionWithCapturedSuperVariable(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "_super")) { - return; + var exprType; + if (node.initializer) { + exprType = checkExpression(node.initializer); } - var enclosingClass = ts.getContainingClass(node); - if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { - return; + else { + exprType = booleanType; } - if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { - var isDeclaration_2 = node.kind !== 70; - if (isDeclaration_2) { - error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); - } + if (correspondingPropType) { + checkTypeAssignableTo(exprType, correspondingPropType, node); } + nameTable[node.name.text] = true; + return exprType; } - function checkCollisionWithRequireExportsInGeneratedCode(node, name) { - if (modulekind >= ts.ModuleKind.ES2015) { - return; - } - if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { - return; - } - if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent)) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { + var type = checkExpression(node.expression); + var props = getPropertiesOfType(type); + for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { + var prop = props_2[_i]; + if (!nameTable[prop.name]) { + var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); + if (targetPropSym) { + var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); + checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); + } + nameTable[prop.name] = true; + } } + return type; } - function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "Promise")) { - return; - } - if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 8192) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + function getJsxType(name) { + if (jsxTypes[name] === undefined) { + return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; } + return jsxTypes[name]; } - function checkVarDeclaredNamesNotShadowed(node) { - if ((ts.getCombinedNodeFlags(node) & 3) !== 0 || ts.isParameterDeclaration(node)) { - return; - } - if (node.kind === 219 && !node.initializer) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol.flags & 1) { - var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); - if (localDeclarationSymbol && - localDeclarationSymbol !== symbol && - localDeclarationSymbol.flags & 2) { - if (getDeclarationNodeFlagsFromSymbol(localDeclarationSymbol) & 3) { - var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 220); - var container = varDeclList.parent.kind === 201 && varDeclList.parent.parent - ? varDeclList.parent.parent - : undefined; - var namesShareScope = container && - (container.kind === 200 && ts.isFunctionLike(container.parent) || - container.kind === 227 || - container.kind === 226 || - container.kind === 256); - if (!namesShareScope) { - var name_20 = symbolToString(localDeclarationSymbol); - error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_20, name_20); - } + function getIntrinsicTagSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); + if (intrinsicProp) { + links.jsxFlags |= 1; + return links.resolvedSymbol = intrinsicProp; + } + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); + if (indexSignatureType) { + links.jsxFlags |= 2; + return links.resolvedSymbol = intrinsicElementsType.symbol; + } + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); + return links.resolvedSymbol = unknownSymbol; + } + else { + if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); } + return links.resolvedSymbol = unknownSymbol; } } + return links.resolvedSymbol; } - function checkParameterInitializer(node) { - if (ts.getRootDeclaration(node).kind !== 143) { - return; + function getJsxElementInstanceType(node, valueType) { + ts.Debug.assert(!(valueType.flags & 65536)); + if (isTypeAny(valueType)) { + return anyType; } - var func = ts.getContainingFunction(node); - visit(node.initializer); - function visit(n) { - if (ts.isTypeNode(n) || ts.isDeclarationName(n)) { - return; + var signatures = getSignaturesOfType(valueType, 1); + if (signatures.length === 0) { + signatures = getSignaturesOfType(valueType, 0); + if (signatures.length === 0) { + error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); + return unknownType; } - if (n.kind === 173) { - return visit(n.expression); + } + return getUnionType(ts.map(signatures, getReturnTypeOfSignature), true); + } + function getJsxElementPropertiesName() { + var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1920, undefined); + var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793064); + var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); + var attribProperties = attribPropType && getPropertiesOfType(attribPropType); + if (attribProperties) { + if (attribProperties.length === 0) { + return ""; } - else if (n.kind === 70) { - var symbol = resolveName(n, n.text, 107455 | 8388608, undefined, undefined); - if (!symbol || symbol === unknownSymbol || !symbol.valueDeclaration) { - return; - } - if (symbol.valueDeclaration === node) { - error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); - return; - } - var enclosingContainer = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (enclosingContainer === func) { - if (symbol.valueDeclaration.kind === 143) { - if (symbol.valueDeclaration.pos < node.pos) { - return; - } - var current = n; - while (current !== node.initializer) { - if (ts.isFunctionLike(current.parent)) { - return; - } - if (current.parent.kind === 146 && - !(ts.hasModifier(current.parent, 32)) && - ts.isClassLike(current.parent.parent)) { - return; - } - current = current.parent; - } - } - error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); - } + else if (attribProperties.length === 1) { + return attribProperties[0].name; } else { - return ts.forEachChild(n, visit); + error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); + return undefined; } } + else { + return undefined; + } } - function convertAutoToAny(type) { - return type === autoType ? anyType : type === autoArrayType ? anyArrayType : type; - } - function checkVariableLikeDeclaration(node) { - checkDecorators(node); - checkSourceElement(node.type); - if (node.name.kind === 141) { - checkComputedPropertyName(node.name); - if (node.initializer) { - checkExpressionCached(node.initializer); - } + function getResolvedJsxType(node, elemType, elemClassType) { + if (!elemType) { + elemType = checkExpression(node.tagName); } - if (node.kind === 170) { - if (node.propertyName && node.propertyName.kind === 141) { - checkComputedPropertyName(node.propertyName); + if (elemType.flags & 65536) { + var types = elemType.types; + return getUnionType(ts.map(types, function (type) { + return getResolvedJsxType(node, type, elemClassType); + }), true); + } + if (elemType.flags & 2) { + return anyType; + } + else if (elemType.flags & 32) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + var stringLiteralTypeName = elemType.text; + var intrinsicProp = getPropertyOfType(intrinsicElementsType, stringLiteralTypeName); + if (intrinsicProp) { + return getTypeOfSymbol(intrinsicProp); + } + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); + if (indexSignatureType) { + return indexSignatureType; + } + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, stringLiteralTypeName, "JSX." + JsxNames.IntrinsicElements); } - var parent_13 = node.parent.parent; - var parentType = getTypeForBindingElementParent(parent_13); - var name_21 = node.propertyName || node.name; - var property = getPropertyOfType(parentType, getTextOfPropertyName(name_21)); - if (parent_13.initializer && property && getParentOfSymbol(property)) { - checkClassPropertyAccess(parent_13, parent_13.initializer, parentType, property); + return anyType; + } + var elemInstanceType = getJsxElementInstanceType(node, elemType); + if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { + if (jsxElementType) { + var callSignatures = elemType && getSignaturesOfType(elemType, 0); + var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; + var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); + var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); + if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { + var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttributes !== unknownType) { + paramType = intersectTypes(intrinsicAttributes, paramType); + } + return paramType; + } } } - if (ts.isBindingPattern(node.name)) { - ts.forEach(node.name.elements, checkSourceElement); + if (elemClassType) { + checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); } - if (node.initializer && ts.getRootDeclaration(node).kind === 143 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { - error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); - return; + if (isTypeAny(elemInstanceType)) { + return elemInstanceType; } - if (ts.isBindingPattern(node.name)) { - if (node.initializer && node.parent.parent.kind !== 208) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); - checkParameterInitializer(node); - } - return; + var propsName = getJsxElementPropertiesName(); + if (propsName === undefined) { + return anyType; } - var symbol = getSymbolOfNode(node); - var type = convertAutoToAny(getTypeOfVariableOrParameterOrProperty(symbol)); - if (node === symbol.valueDeclaration) { - if (node.initializer && node.parent.parent.kind !== 208) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); - checkParameterInitializer(node); - } + else if (propsName === "") { + return elemInstanceType; } else { - var declarationType = convertAutoToAny(getWidenedTypeForVariableLikeDeclaration(node)); - if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { - error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); + var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); + if (!attributesType) { + return emptyObjectType; } - if (node.initializer) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); + else if (isTypeAny(attributesType) || (attributesType === unknownType)) { + return attributesType; } - if (!areDeclarationFlagsIdentical(node, symbol.valueDeclaration)) { - error(symbol.valueDeclaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); - error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); + else if (attributesType.flags & 65536) { + error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); + return anyType; } - } - if (node.kind !== 146 && node.kind !== 145) { - checkExportsOnMergedDeclarations(node); - if (node.kind === 219 || node.kind === 170) { - checkVarDeclaredNamesNotShadowed(node); + else { + var apparentAttributesType = attributesType; + var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); + if (intrinsicClassAttribs !== unknownType) { + var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); + if (typeParams) { + if (typeParams.length === 1) { + apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + } + } + else { + apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + } + } + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttribs !== unknownType) { + apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); + } + return apparentAttributesType; } - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function areDeclarationFlagsIdentical(left, right) { - if ((left.kind === 143 && right.kind === 219) || - (left.kind === 219 && right.kind === 143)) { - return true; - } - if (ts.hasQuestionToken(left) !== ts.hasQuestionToken(right)) { - return false; } - var interestingFlags = 8 | - 16 | - 256 | - 128 | - 64 | - 32; - return (ts.getModifierFlags(left) & interestingFlags) === (ts.getModifierFlags(right) & interestingFlags); - } - function checkVariableDeclaration(node) { - checkGrammarVariableDeclaration(node); - return checkVariableLikeDeclaration(node); - } - function checkBindingElement(node) { - checkGrammarBindingElement(node); - return checkVariableLikeDeclaration(node); - } - function checkVariableStatement(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); - ts.forEach(node.declarationList.declarations, checkSourceElement); } - function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { - if (node.modifiers && node.parent.kind === 172) { - if (ts.isAsyncFunctionLike(node)) { - if (node.modifiers.length > 1) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + function getJsxElementAttributesType(node) { + var links = getNodeLinks(node); + if (!links.resolvedJsxType) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + var symbol = getIntrinsicTagSymbol(node); + if (links.jsxFlags & 1) { + return links.resolvedJsxType = getTypeOfSymbol(symbol); + } + else if (links.jsxFlags & 2) { + return links.resolvedJsxType = getIndexInfoOfSymbol(symbol, 0).type; + } + else { + return links.resolvedJsxType = unknownType; } } else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + var elemClassType = getJsxGlobalElementClassType(); + return links.resolvedJsxType = getResolvedJsxType(node, undefined, elemClassType); } } + return links.resolvedJsxType; } - function checkExpressionStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - } - function checkIfStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.thenStatement); - if (node.thenStatement.kind === 202) { - error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); - } - checkSourceElement(node.elseStatement); + function getJsxAttributePropertySymbol(attrib) { + var attributesType = getJsxElementAttributesType(attrib.parent); + var prop = getPropertyOfType(attributesType, attrib.name.text); + return prop || unknownSymbol; } - function checkDoStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkSourceElement(node.statement); - checkExpression(node.expression); + function getJsxGlobalElementClassType() { + if (!jsxElementClassType) { + jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); + } + return jsxElementClassType; } - function checkWhileStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.statement); + function getJsxIntrinsicTagNames() { + var intrinsics = getJsxType(JsxNames.IntrinsicElements); + return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; } - function checkForStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.initializer && node.initializer.kind === 220) { - checkGrammarVariableDeclarationList(node.initializer); - } + function checkJsxPreconditions(errorNode) { + if ((compilerOptions.jsx || 0) === 0) { + error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); } - if (node.initializer) { - if (node.initializer.kind === 220) { - ts.forEach(node.initializer.declarations, checkVariableDeclaration); - } - else { - checkExpression(node.initializer); + if (jsxElementType === undefined) { + if (compilerOptions.noImplicitAny) { + error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); } } - if (node.condition) - checkExpression(node.condition); - if (node.incrementor) - checkExpression(node.incrementor); - checkSourceElement(node.statement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); - } } - function checkForOfStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 220) { - checkForInOrForOfVariableDeclaration(node); + function checkJsxOpeningLikeElement(node) { + checkGrammarJsxElement(node); + checkJsxPreconditions(node); + var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; + var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); + if (reactSym) { + reactSym.isReferenced = true; + if (reactSym.flags & 8388608 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(reactSym))) { + markAliasSymbolAsReferenced(reactSym); + } } - else { - var varExpr = node.initializer; - var iteratedType = checkRightHandSideOfForOf(node.expression); - if (varExpr.kind === 171 || varExpr.kind === 172) { - checkDestructuringAssignment(varExpr, iteratedType || unknownType); + var targetAttributesType = getJsxElementAttributesType(node); + var nameTable = ts.createMap(); + var sawSpreadedAny = false; + for (var i = node.attributes.length - 1; i >= 0; i--) { + if (node.attributes[i].kind === 246) { + checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); } else { - var leftType = checkExpression(varExpr); - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property); - if (iteratedType) { - checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); + ts.Debug.assert(node.attributes[i].kind === 247); + var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); + if (isTypeAny(spreadType)) { + sawSpreadedAny = true; } } } - checkSourceElement(node.statement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); + if (targetAttributesType && !sawSpreadedAny) { + var targetProperties = getPropertiesOfType(targetAttributesType); + for (var i = 0; i < targetProperties.length; i++) { + if (!(targetProperties[i].flags & 536870912) && + !nameTable[targetProperties[i].name]) { + error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); + } + } } } - function checkForInStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 220) { - var variable = node.initializer.declarations[0]; - if (variable && ts.isBindingPattern(variable.name)) { - error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - checkForInOrForOfVariableDeclaration(node); + function checkJsxExpression(node) { + if (node.expression) { + return checkExpression(node.expression); } else { - var varExpr = node.initializer; - var leftType = checkExpression(varExpr); - if (varExpr.kind === 171 || varExpr.kind === 172) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + return unknownType; + } + } + function getDeclarationKindFromSymbol(s) { + return s.valueDeclaration ? s.valueDeclaration.kind : 146; + } + function getDeclarationModifierFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedModifierFlags(s.valueDeclaration) : s.flags & 134217728 ? 4 | 32 : 0; + } + function getDeclarationNodeFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : 0; + } + function checkClassPropertyAccess(node, left, type, prop) { + var flags = getDeclarationModifierFlagsFromSymbol(prop); + var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); + var errorNode = node.kind === 173 || node.kind === 219 ? + node.name : + node.right; + if (left.kind === 96) { + if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 148) { + error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); + return false; } - else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34)) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + if (flags & 128) { + error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); + return false; } - else { - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property); + } + if (!(flags & 24)) { + return true; + } + if (flags & 8) { + var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop)); + if (!isNodeWithinClass(node, declaringClassDeclaration)) { + error(errorNode, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); + return false; } + return true; } - var rightType = checkNonNullExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) { - error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + if (left.kind === 96) { + return true; } - checkSourceElement(node.statement); - if (node.locals) { - registerForUnusedIdentifiersCheck(node); + var enclosingClass = forEachEnclosingClass(node, function (enclosingDeclaration) { + var enclosingClass = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingDeclaration)); + return hasBaseType(enclosingClass, declaringClass) ? enclosingClass : undefined; + }); + if (!enclosingClass) { + error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + return false; + } + if (flags & 32) { + return true; + } + if (type.flags & 16384 && type.isThisType) { + type = getConstraintOfTypeParameter(type); } + if (!(getObjectFlags(getTargetType(type)) & 3 && hasBaseType(type, enclosingClass))) { + error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + return false; + } + return true; } - function checkForInOrForOfVariableDeclaration(iterationStatement) { - var variableDeclarationList = iterationStatement.initializer; - if (variableDeclarationList.declarations.length >= 1) { - var decl = variableDeclarationList.declarations[0]; - checkVariableDeclaration(decl); + function checkNonNullExpression(node) { + var type = checkExpression(node); + if (strictNullChecks) { + var kind = getFalsyFlags(type) & 6144; + if (kind) { + error(node, kind & 2048 ? kind & 4096 ? + ts.Diagnostics.Object_is_possibly_null_or_undefined : + ts.Diagnostics.Object_is_possibly_undefined : + ts.Diagnostics.Object_is_possibly_null); + } + return getNonNullableType(type); } + return type; } - function checkRightHandSideOfForOf(rhsExpression) { - var expressionType = checkNonNullExpression(rhsExpression); - return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); + function checkPropertyAccessExpression(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); } - function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { - if (isTypeAny(inputType)) { - return inputType; - } - if (languageVersion >= 2) { - return checkElementTypeOfIterable(inputType, errorNode); + function checkQualifiedName(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + } + function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { + var type = checkNonNullExpression(left); + if (isTypeAny(type) || type === silentNeverType) { + return type; } - if (allowStringInput) { - return checkElementTypeOfArrayOrString(inputType, errorNode); + var apparentType = getApparentType(getWidenedType(type)); + if (apparentType === unknownType || (type.flags & 16384 && isTypeAny(apparentType))) { + return apparentType; } - if (isArrayLikeType(inputType)) { - var indexType = getIndexTypeOfType(inputType, 1); - if (indexType) { - return indexType; + var prop = getPropertyOfType(apparentType, right.text); + if (!prop) { + if (right.text && !checkAndReportErrorForExtendingInterface(node)) { + reportNonexistentProperty(right, type.flags & 16384 && type.isThisType ? apparentType : type); } + return unknownType; } - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + if (noUnusedIdentifiers && + (prop.flags & 106500) && + prop.valueDeclaration && (ts.getModifierFlags(prop.valueDeclaration) & 8)) { + if (prop.flags & 16777216) { + getSymbolLinks(prop).target.isReferenced = true; + } + else { + prop.isReferenced = true; + } } - return unknownType; - } - function checkElementTypeOfIterable(iterable, errorNode) { - var elementType = getElementTypeOfIterable(iterable, errorNode); - if (errorNode && elementType) { - checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + getNodeLinks(node).resolvedSymbol = prop; + if (prop.parent && prop.parent.flags & 32) { + checkClassPropertyAccess(node, left, apparentType, prop); } - return elementType || anyType; - } - function getElementTypeOfIterable(type, errorNode) { - if (isTypeAny(type)) { - return undefined; + var propType = getTypeOfSymbol(prop); + if (node.kind !== 173 || ts.isAssignmentTarget(node) || + !(prop.flags & (3 | 4 | 98304)) && + !(prop.flags & 8192 && propType.flags & 65536)) { + return propType; } - var typeAsIterable = type; - if (!typeAsIterable.iterableElementType) { - if ((type.flags & 131072) && type.target === getGlobalIterableType()) { - typeAsIterable.iterableElementType = type.typeArguments[0]; - } - else { - var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); - if (isTypeAny(iteratorFunction)) { - return undefined; - } - var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; - if (iteratorFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + return getFlowTypeOfReference(node, propType, true, undefined); + function reportNonexistentProperty(propNode, containingType) { + var errorInfo; + if (containingType.flags & 65536 && !(containingType.flags & 8190)) { + for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { + var subtype = _a[_i]; + if (!getPropertyOfType(subtype, propNode.text)) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(subtype)); + break; } - return undefined; } - typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature), true), errorNode); } + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(propNode), typeToString(containingType)); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(propNode, errorInfo)); } - return typeAsIterable.iterableElementType; } - function getElementTypeOfIterator(type, errorNode) { - if (isTypeAny(type)) { - return undefined; + function isValidPropertyAccess(node, propertyName) { + var left = node.kind === 173 + ? node.expression + : node.left; + var type = checkExpression(left); + if (type !== unknownType && !isTypeAny(type)) { + var prop = getPropertyOfType(getWidenedType(type), propertyName); + if (prop && prop.parent && prop.parent.flags & 32) { + return checkClassPropertyAccess(node, left, type, prop); + } } - var typeAsIterator = type; - if (!typeAsIterator.iteratorElementType) { - if ((type.flags & 131072) && type.target === getGlobalIteratorType()) { - typeAsIterator.iteratorElementType = type.typeArguments[0]; + return true; + } + function getForInVariableSymbol(node) { + var initializer = node.initializer; + if (initializer.kind === 220) { + var variable = initializer.declarations[0]; + if (variable && !ts.isBindingPattern(variable.name)) { + return getSymbolOfNode(variable); } - else { - var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); - if (isTypeAny(iteratorNextFunction)) { - return undefined; - } - var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; - if (iteratorNextFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); - } - return undefined; - } - var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature), true); - if (isTypeAny(iteratorNextResult)) { - return undefined; - } - var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); - if (!iteratorNextValue) { - if (errorNode) { - error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + else if (initializer.kind === 70) { + return getResolvedSymbol(initializer); + } + return undefined; + } + function hasNumericPropertyNames(type) { + return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); + } + function isForInVariableForNumericPropertyNames(expr) { + var e = skipParenthesizedNodes(expr); + if (e.kind === 70) { + var symbol = getResolvedSymbol(e); + if (symbol.flags & 3) { + var child = expr; + var node = expr.parent; + while (node) { + if (node.kind === 208 && + child === node.statement && + getForInVariableSymbol(node) === symbol && + hasNumericPropertyNames(checkExpression(node.expression))) { + return true; } - return undefined; + child = node; + node = node.parent; } - typeAsIterator.iteratorElementType = iteratorNextValue; } } - return typeAsIterator.iteratorElementType; + return false; } - function getElementTypeOfIterableIterator(type) { - if (isTypeAny(type)) { - return undefined; + function checkIndexedAccess(node) { + if (!node.argumentExpression) { + var sourceFile = ts.getSourceFileOfNode(node); + if (node.parent.kind === 176 && node.parent.expression === node) { + var start = ts.skipTrivia(sourceFile.text, node.expression.end); + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + } + else { + var start = node.end - "]".length; + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + } } - if ((type.flags & 131072) && type.target === getGlobalIterableIteratorType()) { - return type.typeArguments[0]; + var objectType = getApparentType(checkNonNullExpression(node.expression)); + var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; + if (objectType === unknownType || objectType === silentNeverType) { + return objectType; } - return getElementTypeOfIterable(type, undefined) || - getElementTypeOfIterator(type, undefined); - } - function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { - ts.Debug.assert(languageVersion < 2); - var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 524288) { - arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34); }), true); + var isConstEnum = isConstEnumObjectType(objectType); + if (isConstEnum && + (!node.argumentExpression || node.argumentExpression.kind !== 9)) { + error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); + return unknownType; } - else if (arrayOrStringType.flags & 34) { - arrayType = neverType; + if (node.argumentExpression) { + var name_19 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); + if (name_19 !== undefined) { + var prop = getPropertyOfType(objectType, name_19); + if (prop) { + getNodeLinks(node).resolvedSymbol = prop; + return getTypeOfSymbol(prop); + } + else if (isConstEnum) { + error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_19, symbolToString(objectType.symbol)); + return unknownType; + } + } } - var hasStringConstituent = arrayOrStringType !== arrayType; - var reportedError = false; - if (hasStringConstituent) { - if (languageVersion < 1) { - error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); - reportedError = true; + var allowedNullableFlags = strictNullChecks ? 0 : 6144; + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 34 | 340 | 512 | allowedNullableFlags)) { + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | allowedNullableFlags) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { + var numberIndexInfo = getIndexInfoOfType(objectType, 1); + if (numberIndexInfo) { + getNodeLinks(node).resolvedIndexInfo = numberIndexInfo; + return numberIndexInfo.type; + } } - if (arrayType.flags & 8192) { - return stringType; + var stringIndexInfo = getIndexInfoOfType(objectType, 0); + if (stringIndexInfo) { + getNodeLinks(node).resolvedIndexInfo = stringIndexInfo; + return stringIndexInfo.type; } - } - if (!isArrayLikeType(arrayType)) { - if (!reportedError) { - var diagnostic = hasStringConstituent - ? ts.Diagnostics.Type_0_is_not_an_array_type - : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; - error(errorNode, diagnostic, typeToString(arrayType)); + if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { + error(node, getIndexTypeOfType(objectType, 1) ? + ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : + ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); } - return hasStringConstituent ? stringType : unknownType; + return anyType; } - var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; - if (hasStringConstituent) { - if (arrayElementType.flags & 34) { - return stringType; + error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); + return unknownType; + } + function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { + if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { + return indexArgumentExpression.text; + } + if (indexArgumentExpression.kind === 174 || indexArgumentExpression.kind === 173) { + var value = getConstantValue(indexArgumentExpression); + if (value !== undefined) { + return value.toString(); } - return getUnionType([arrayElementType, stringType], true); } - return arrayElementType; - } - function checkBreakOrContinueStatement(node) { - checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); - } - function isGetAccessorWithAnnotatedSetAccessor(node) { - return !!(node.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 151))); - } - function isUnwrappedReturnTypeVoidOrAny(func, returnType) { - var unwrappedReturnType = ts.isAsyncFunctionLike(func) ? getPromisedType(returnType) : returnType; - return unwrappedReturnType && maybeTypeOfKind(unwrappedReturnType, 1024 | 1); + if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { + var rightHandSideName = indexArgumentExpression.name.text; + return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + } + return undefined; } - function checkReturnStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var functionBlock = ts.getContainingFunction(node); - if (!functionBlock) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); - } + function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { + if (expressionType === unknownType) { + return false; } - var func = ts.getContainingFunction(node); - if (func) { - var signature = getSignatureFromDeclaration(func); - var returnType = getReturnTypeOfSignature(signature); - if (strictNullChecks || node.expression || returnType.flags & 8192) { - var exprType = node.expression ? checkExpressionCached(node.expression) : undefinedType; - if (func.asteriskToken) { - return; - } - if (func.kind === 151) { - if (node.expression) { - error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); - } - } - else if (func.kind === 149) { - if (node.expression && !checkTypeAssignableTo(exprType, returnType, node.expression)) { - error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); - } - } - else if (func.type || isGetAccessorWithAnnotatedSetAccessor(func)) { - if (ts.isAsyncFunctionLike(func)) { - var promisedType = getPromisedType(returnType); - var awaitedType = checkAwaitedType(exprType, node.expression || node, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - if (promisedType) { - checkTypeAssignableTo(awaitedType, promisedType, node.expression || node); - } - } - else { - checkTypeAssignableTo(exprType, returnType, node.expression || node); - } - } + if (!ts.isWellKnownSymbolSyntactically(expression)) { + return false; + } + if ((expressionType.flags & 512) === 0) { + if (reportError) { + error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); } - else if (func.kind !== 149 && compilerOptions.noImplicitReturns && !isUnwrappedReturnTypeVoidOrAny(func, returnType)) { - error(node, ts.Diagnostics.Not_all_code_paths_return_a_value); + return false; + } + var leftHandSide = expression.expression; + var leftHandSideSymbol = getResolvedSymbol(leftHandSide); + if (!leftHandSideSymbol) { + return false; + } + var globalESSymbol = getGlobalESSymbolConstructorSymbol(); + if (!globalESSymbol) { + return false; + } + if (leftHandSideSymbol !== globalESSymbol) { + if (reportError) { + error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); } + return false; } + return true; } - function checkWithStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.flags & 262144) { - grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); - } + function resolveUntypedCall(node) { + if (node.kind === 177) { + checkExpression(node.template); } - checkExpression(node.expression); - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var start = ts.getSpanOfTokenAtPosition(sourceFile, node.pos).start; - var end = node.statement.pos; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any); + else if (node.kind !== 144) { + ts.forEach(node.arguments, function (argument) { + checkExpression(argument); + }); } + return anySignature; } - function checkSwitchStatement(node) { - checkGrammarStatementInAmbientContext(node); - var firstDefaultClause; - var hasDuplicateDefaultClause = false; - var expressionType = checkExpression(node.expression); - ts.forEach(node.caseBlock.clauses, function (clause) { - if (clause.kind === 250 && !hasDuplicateDefaultClause) { - if (firstDefaultClause === undefined) { - firstDefaultClause = clause; + function resolveErrorCall(node) { + resolveUntypedCall(node); + return unknownSignature; + } + function reorderCandidates(signatures, result) { + var lastParent; + var lastSymbol; + var cutoffIndex = 0; + var index; + var specializedIndex = -1; + var spliceIndex; + ts.Debug.assert(!result.length); + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var signature = signatures_2[_i]; + var symbol = signature.declaration && getSymbolOfNode(signature.declaration); + var parent_11 = signature.declaration && signature.declaration.parent; + if (!lastSymbol || symbol === lastSymbol) { + if (lastParent && parent_11 === lastParent) { + index++; } else { - var sourceFile = ts.getSourceFileOfNode(node); - var start = ts.skipTrivia(sourceFile.text, clause.pos); - var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); - hasDuplicateDefaultClause = true; + lastParent = parent_11; + index = cutoffIndex; } } - if (produceDiagnostics && clause.kind === 249) { - var caseClause = clause; - var caseType = checkExpression(caseClause.expression); - if (!isTypeEqualityComparableTo(expressionType, caseType)) { - checkTypeComparableTo(caseType, expressionType, caseClause.expression, undefined); - } + else { + index = cutoffIndex = result.length; + lastParent = parent_11; } - ts.forEach(clause.statements, checkSourceElement); - }); - if (node.caseBlock.locals) { - registerForUnusedIdentifiersCheck(node.caseBlock); + lastSymbol = symbol; + if (signature.hasLiteralTypes) { + specializedIndex++; + spliceIndex = specializedIndex; + cutoffIndex++; + } + else { + spliceIndex = index; + } + result.splice(spliceIndex, 0, signature); } } - function checkLabeledStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var current = node.parent; - while (current) { - if (ts.isFunctionLike(current)) { - break; - } - if (current.kind === 215 && current.label.text === node.label.text) { - var sourceFile = ts.getSourceFileOfNode(node); - grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); - break; - } - current = current.parent; + function getSpreadArgumentIndex(args) { + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + if (arg && arg.kind === 192) { + return i; } } - checkSourceElement(node.statement); + return -1; } - function checkThrowStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.expression === undefined) { - grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + function hasCorrectArity(node, args, signature, signatureHelpTrailingComma) { + if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } + var argCount; + var typeArguments; + var callIsIncomplete; + var isDecorator; + var spreadArgIndex = -1; + if (node.kind === 177) { + var tagExpression = node; + argCount = args.length; + typeArguments = undefined; + if (tagExpression.template.kind === 190) { + var templateExpression = tagExpression.template; + var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); + ts.Debug.assert(lastSpan !== undefined); + callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + } + else { + var templateLiteral = tagExpression.template; + ts.Debug.assert(templateLiteral.kind === 12); + callIsIncomplete = !!templateLiteral.isUnterminated; } } - if (node.expression) { - checkExpression(node.expression); + else if (node.kind === 144) { + isDecorator = true; + typeArguments = undefined; + argCount = getEffectiveArgumentCount(node, undefined, signature); } - } - function checkTryStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkBlock(node.tryBlock); - var catchClause = node.catchClause; - if (catchClause) { - if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 70) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); - } - else if (catchClause.variableDeclaration.initializer) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); - } - else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); - } - } - } + else { + var callExpression = node; + if (!callExpression.arguments) { + ts.Debug.assert(callExpression.kind === 176); + return signature.minArgumentCount === 0; } - checkBlock(catchClause.block); + argCount = signatureHelpTrailingComma ? args.length + 1 : args.length; + callIsIncomplete = callExpression.arguments.end === callExpression.end; + typeArguments = callExpression.typeArguments; + spreadArgIndex = getSpreadArgumentIndex(args); } - if (node.finallyBlock) { - checkBlock(node.finallyBlock); + var hasRightNumberOfTypeArgs = !typeArguments || + (signature.typeParameters && typeArguments.length === signature.typeParameters.length); + if (!hasRightNumberOfTypeArgs) { + return false; + } + if (spreadArgIndex >= 0) { + return isRestParameterIndex(signature, spreadArgIndex); + } + if (!signature.hasRestParameter && argCount > signature.parameters.length) { + return false; } + var hasEnoughArguments = argCount >= signature.minArgumentCount; + return callIsIncomplete || hasEnoughArguments; } - function checkIndexConstraints(type) { - var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); - var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); - var stringIndexType = getIndexTypeOfType(type, 0); - var numberIndexType = getIndexTypeOfType(type, 1); - if (stringIndexType || numberIndexType) { - ts.forEach(getPropertiesOfObjectType(type), function (prop) { - var propType = getTypeOfSymbol(prop); - checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); - }); - if (type.flags & 32768 && ts.isClassLike(type.symbol.valueDeclaration)) { - var classDeclaration = type.symbol.valueDeclaration; - for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (!(ts.getModifierFlags(member) & 32) && ts.hasDynamicName(member)) { - var propType = getTypeOfSymbol(member.symbol); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); - } - } + function getSingleCallSignature(type) { + if (type.flags & 32768) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && + resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { + return resolved.callSignatures[0]; } } - var errorNode; - if (stringIndexType && numberIndexType) { - errorNode = declaredNumberIndexer || declaredStringIndexer; - if (!errorNode && (type.flags & 65536)) { - var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); - errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + return undefined; + } + function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { + var context = createInferenceContext(signature, true); + forEachMatchingParameterType(contextualSignature, signature, function (source, target) { + inferTypes(context, instantiateType(source, contextualMapper), target); + }); + return getSignatureInstantiation(signature, getInferredTypes(context)); + } + function inferTypeArguments(node, signature, args, excludeArgument, context) { + var typeParameters = signature.typeParameters; + var inferenceMapper = getInferenceMapper(context); + for (var i = 0; i < typeParameters.length; i++) { + if (!context.inferences[i].isFixed) { + context.inferredTypes[i] = undefined; } } - if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { - error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { + context.failedTypeParameterIndex = undefined; } - function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { - if (!indexType) { - return; - } - if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { - return; - } - var errorNode; - if (prop.valueDeclaration.name.kind === 141 || prop.parent === containingType.symbol) { - errorNode = prop.valueDeclaration; - } - else if (indexDeclaration) { - errorNode = indexDeclaration; - } - else if (containingType.flags & 65536) { - var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); - errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; - } - if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { - var errorMessage = indexKind === 0 - ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 - : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; - error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + var thisType = getThisTypeOfSignature(signature); + if (thisType) { + var thisArgumentNode = getThisArgumentOfCall(node); + var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; + inferTypes(context, thisArgumentType, thisType); + } + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 194) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i); + if (argType === undefined) { + var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; + argType = checkExpressionWithContextualType(arg, paramType, mapper); + } + inferTypes(context, argType, paramType); } } - } - function checkTypeNameIsReserved(name, message) { - switch (name.text) { - case "any": - case "number": - case "boolean": - case "string": - case "symbol": - case "void": - error(name, message, name.text); + if (excludeArgument) { + for (var i = 0; i < argCount; i++) { + if (excludeArgument[i] === false) { + var arg = args[i]; + var paramType = getTypeAtPosition(signature, i); + inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + } + } } + getInferredTypes(context); } - function checkTypeParameters(typeParameterDeclarations) { - if (typeParameterDeclarations) { - for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { - var node = typeParameterDeclarations[i]; - checkTypeParameter(node); - if (produceDiagnostics) { - for (var j = 0; j < i; j++) { - if (typeParameterDeclarations[j].symbol === node.symbol) { - error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); - } + function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { + var typeParameters = signature.typeParameters; + var typeArgumentsAreAssignable = true; + var mapper; + for (var i = 0; i < typeParameters.length; i++) { + if (typeArgumentsAreAssignable) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + var errorInfo = void 0; + var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; + if (reportErrors && headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); + typeArgumentHeadMessage = headMessage; } + if (!mapper) { + mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + var typeArgument = typeArgumentTypes[i]; + typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); } } } + return typeArgumentsAreAssignable; } - function checkTypeParameterListsIdentical(node, symbol) { - if (symbol.declarations.length === 1) { - return; + function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { + var thisType = getThisTypeOfSignature(signature); + if (thisType && thisType !== voidType && node.kind !== 176) { + var thisArgumentNode = getThisArgumentOfCall(node); + var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType; + var errorNode = reportErrors ? (thisArgumentNode || node) : undefined; + var headMessage_1 = ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1; + if (!checkTypeRelatedTo(thisArgumentType, getThisTypeOfSignature(signature), relation, errorNode, headMessage_1)) { + return false; + } } - var firstDecl; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 222 || declaration.kind === 223) { - if (!firstDecl) { - firstDecl = declaration; + var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 194) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i); + if (argType === undefined) { + argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); } - else if (!areTypeParametersIdentical(firstDecl.typeParameters, node.typeParameters)) { - error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, node.name.text); + var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; + if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { + return false; } } } + return true; } - function checkClassExpression(node) { - checkClassLikeDeclaration(node); - checkNodeDeferred(node); - return getTypeOfSymbol(getSymbolOfNode(node)); + function getThisArgumentOfCall(node) { + if (node.kind === 175) { + var callee = node.expression; + if (callee.kind === 173) { + return callee.expression; + } + else if (callee.kind === 174) { + return callee.expression; + } + } } - function checkClassExpressionDeferred(node) { - ts.forEach(node.members, checkSourceElement); - registerForUnusedIdentifiersCheck(node); + function getEffectiveCallArguments(node) { + var args; + if (node.kind === 177) { + var template = node.template; + args = [undefined]; + if (template.kind === 190) { + ts.forEach(template.templateSpans, function (span) { + args.push(span.expression); + }); + } + } + else if (node.kind === 144) { + return undefined; + } + else { + args = node.arguments || emptyArray; + } + return args; } - function checkClassDeclaration(node) { - if (!node.name && !(ts.getModifierFlags(node) & 512)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + function getEffectiveArgumentCount(node, args, signature) { + if (node.kind === 144) { + switch (node.parent.kind) { + case 222: + case 193: + return 1; + case 146: + return 2; + case 148: + case 150: + case 151: + if (languageVersion === 0) { + return 2; + } + return signature.parameters.length >= 3 ? 3 : 2; + case 143: + return 3; + } + } + else { + return args.length; } - checkClassLikeDeclaration(node); - ts.forEach(node.members, checkSourceElement); - registerForUnusedIdentifiersCheck(node); } - function checkClassLikeDeclaration(node) { - checkGrammarClassDeclarationHeritageClauses(node); - checkDecorators(node); - if (node.name) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + function getEffectiveDecoratorFirstArgumentType(node) { + if (node.kind === 222) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); } - checkTypeParameters(node.typeParameters); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - var staticType = getTypeOfSymbol(symbol); - checkTypeParameterListsIdentical(node, symbol); - checkClassForDuplicateDeclarations(node); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length && produceDiagnostics) { - var baseType_1 = baseTypes[0]; - var staticBaseType = getBaseConstructorTypeOfClass(type); - checkBaseTypeAccessibility(staticBaseType, baseTypeNode); - checkSourceElement(baseTypeNode.expression); - if (baseTypeNode.typeArguments) { - ts.forEach(baseTypeNode.typeArguments, checkSourceElement); - for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { - var constructor = _a[_i]; - if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { - break; - } - } - } - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); - checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (baseType_1.symbol.valueDeclaration && !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration)) { - if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) { - error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class); - } - } - if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { - var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); - if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); - } - } - checkKindsOfPropertyMemberOverrides(type, baseType_1); + if (node.kind === 143) { + node = node.parent; + if (node.kind === 149) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); } } - var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); - if (implementedTypeNodes) { - for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { - var typeRefNode = implementedTypeNodes_1[_b]; - if (!ts.isEntityNameExpression(typeRefNode.expression)) { - error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(typeRefNode); - if (produceDiagnostics) { - var t = getTypeFromTypeNode(typeRefNode); - if (t !== unknownType) { - var declaredType = (t.flags & 131072) ? t.target : t; - if (declaredType.flags & (32768 | 65536)) { - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); - } - else { - error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); - } + if (node.kind === 146 || + node.kind === 148 || + node.kind === 150 || + node.kind === 151) { + return getParentTypeOfClassElement(node); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorSecondArgumentType(node) { + if (node.kind === 222) { + ts.Debug.fail("Class decorators should not have a second synthetic argument."); + return unknownType; + } + if (node.kind === 143) { + node = node.parent; + if (node.kind === 149) { + return anyType; + } + } + if (node.kind === 146 || + node.kind === 148 || + node.kind === 150 || + node.kind === 151) { + var element = node; + switch (element.name.kind) { + case 70: + case 8: + case 9: + return getLiteralTypeForText(32, element.name.text); + case 141: + var nameType = checkComputedPropertyName(element.name); + if (isTypeOfKind(nameType, 512)) { + return nameType; } - } + else { + return stringType; + } + default: + ts.Debug.fail("Unsupported property name."); + return unknownType; } } - if (produceDiagnostics) { - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorThirdArgumentType(node) { + if (node.kind === 222) { + ts.Debug.fail("Class decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 143) { + return numberType; + } + if (node.kind === 146) { + ts.Debug.fail("Property decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 148 || + node.kind === 150 || + node.kind === 151) { + var propertyType = getTypeOfNode(node); + return createTypedPropertyDescriptorType(propertyType); } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; } - function checkBaseTypeAccessibility(type, node) { - var signatures = getSignaturesOfType(type, 1); - if (signatures.length) { - var declaration = signatures[0].declaration; - if (declaration && ts.getModifierFlags(declaration) & 8) { - var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol); - if (!isNodeWithinClass(node, typeClassDeclaration)) { - error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, node.expression.text); - } - } + function getEffectiveDecoratorArgumentType(node, argIndex) { + if (argIndex === 0) { + return getEffectiveDecoratorFirstArgumentType(node.parent); + } + else if (argIndex === 1) { + return getEffectiveDecoratorSecondArgumentType(node.parent); + } + else if (argIndex === 2) { + return getEffectiveDecoratorThirdArgumentType(node.parent); } + ts.Debug.fail("Decorators should not have a fourth synthetic argument."); + return unknownType; } - function getTargetSymbol(s) { - return s.flags & 16777216 ? getSymbolLinks(s).target : s; + function getEffectiveArgumentType(node, argIndex) { + if (node.kind === 144) { + return getEffectiveDecoratorArgumentType(node, argIndex); + } + else if (argIndex === 0 && node.kind === 177) { + return getGlobalTemplateStringsArrayType(); + } + return undefined; } - function getClassLikeDeclarationOfSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + function getEffectiveArgument(node, args, argIndex) { + if (node.kind === 144 || + (argIndex === 0 && node.kind === 177)) { + return undefined; + } + return args[argIndex]; } - function checkKindsOfPropertyMemberOverrides(type, baseType) { - var baseProperties = getPropertiesOfObjectType(baseType); - for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { - var baseProperty = baseProperties_1[_i]; - var base = getTargetSymbol(baseProperty); - if (base.flags & 134217728) { - continue; + function getEffectiveArgumentErrorNode(node, argIndex, arg) { + if (node.kind === 144) { + return node.expression; + } + else if (argIndex === 0 && node.kind === 177) { + return node.template; + } + else { + return arg; + } + } + function resolveCall(node, signatures, candidatesOutArray, headMessage) { + var isTaggedTemplate = node.kind === 177; + var isDecorator = node.kind === 144; + var typeArguments; + if (!isTaggedTemplate && !isDecorator) { + typeArguments = node.typeArguments; + if (node.expression.kind !== 96) { + ts.forEach(typeArguments, checkSourceElement); } - var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); - var baseDeclarationFlags = getDeclarationModifierFlagsFromSymbol(base); - ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); - if (derived) { - if (derived === base) { - var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); - if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(ts.getModifierFlags(derivedClassDecl) & 128))) { - if (derivedClassDecl.kind === 193) { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); - } - else { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); - } - } - } - else { - var derivedDeclarationFlags = getDeclarationModifierFlagsFromSymbol(derived); - if ((baseDeclarationFlags & 8) || (derivedDeclarationFlags & 8)) { - continue; - } - if ((baseDeclarationFlags & 32) !== (derivedDeclarationFlags & 32)) { - continue; - } - if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { - continue; - } - var errorMessage = void 0; - if (base.flags & 8192) { - if (derived.flags & 98304) { - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; - } - else { - ts.Debug.assert((derived.flags & 4) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; - } - } - else if (base.flags & 4) { - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; - } - else { - ts.Debug.assert((base.flags & 98304) !== 0); - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + var candidates = candidatesOutArray || []; + reorderCandidates(signatures, candidates); + if (!candidates.length) { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + return resolveErrorCall(node); + } + var args = getEffectiveCallArguments(node); + var excludeArgument; + if (!isDecorator) { + for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { + if (isContextSensitive(args[i])) { + if (!excludeArgument) { + excludeArgument = new Array(args.length); } - error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + excludeArgument[i] = true; } } } - } - function isAccessor(kind) { - return kind === 150 || kind === 151; - } - function areTypeParametersIdentical(list1, list2) { - if (!list1 && !list2) { - return true; + var candidateForArgumentError; + var candidateForTypeArgumentError; + var resultOfFailedInference; + var result; + var signatureHelpTrailingComma = candidatesOutArray && node.kind === 175 && node.arguments.hasTrailingComma; + if (candidates.length > 1) { + result = chooseOverload(candidates, subtypeRelation, signatureHelpTrailingComma); } - if (!list1 || !list2 || list1.length !== list2.length) { - return false; + if (!result) { + candidateForArgumentError = undefined; + candidateForTypeArgumentError = undefined; + resultOfFailedInference = undefined; + result = chooseOverload(candidates, assignableRelation, signatureHelpTrailingComma); } - for (var i = 0, len = list1.length; i < len; i++) { - var tp1 = list1[i]; - var tp2 = list2[i]; - if (tp1.name.text !== tp2.name.text) { - return false; - } - if (!tp1.constraint && !tp2.constraint) { - continue; - } - if (!tp1.constraint || !tp2.constraint) { - return false; - } - if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { - return false; - } + if (result) { + return result; } - return true; - } - function checkInheritedPropertiesAreIdentical(type, typeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length < 2) { - return true; + if (candidateForArgumentError) { + checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); } - var seen = ts.createMap(); - ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); - var ok = true; - for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { - var base = baseTypes_2[_i]; - var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); - for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { - var prop = properties_5[_a]; - var existing = seen[prop.name]; - if (!existing) { - seen[prop.name] = { prop: prop, containingType: base }; - } - else { - var isInheritedProperty = existing.containingType !== type; - if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { - ok = false; - var typeName1 = typeToString(existing.containingType); - var typeName2 = typeToString(base); - var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); - } + else if (candidateForTypeArgumentError) { + if (!isTaggedTemplate && !isDecorator && typeArguments) { + var typeArguments_2 = node.typeArguments; + checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNodeNoAlias), true, headMessage); + } + else { + ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); + var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; + var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); + var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); + if (headMessage) { + diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); } + reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); } } - return ok; - } - function checkInterfaceDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); - checkTypeParameters(node.typeParameters); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - checkTypeParameterListsIdentical(node, symbol); - var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 223); - if (node === firstInterfaceDecl) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - if (checkInheritedPropertiesAreIdentical(type, node.name)) { - for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { - var baseType = _a[_i]; - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + else { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + } + if (!produceDiagnostics) { + for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { + var candidate = candidates_1[_i]; + if (hasCorrectArity(node, args, candidate)) { + if (candidate.typeParameters && typeArguments) { + candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNodeNoAlias)); } - checkIndexConstraints(type); + return candidate; } } - checkObjectTypeForDuplicateDeclarations(node); } - ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { - if (!ts.isEntityNameExpression(heritageElement.expression)) { - error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + return resolveErrorCall(node); + function reportError(message, arg0, arg1, arg2) { + var errorInfo; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + if (headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); } - checkTypeReferenceNode(heritageElement); - }); - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - checkTypeForDuplicateIndexSignatures(node); - registerForUnusedIdentifiersCheck(node); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); } - } - function checkTypeAliasDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); - checkSourceElement(node.type); - } - function computeEnumMemberValues(node) { - var nodeLinks = getNodeLinks(node); - if (!(nodeLinks.flags & 16384)) { - var enumSymbol = getSymbolOfNode(node); - var enumType = getDeclaredTypeOfSymbol(enumSymbol); - var autoValue = 0; - var ambient = ts.isInAmbientContext(node); - var enumIsConst = ts.isConst(node); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (isComputedNonLiteralName(member.name)) { - error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); - } - else { - var text = getTextOfPropertyName(member.name); - if (isNumericLiteralName(text) && !isInfinityOrNaNString(text)) { - error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); - } - } - var previousEnumMemberIsNonConstant = autoValue === undefined; - var initializer = member.initializer; - if (initializer) { - autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); - } - else if (ambient && !enumIsConst) { - autoValue = undefined; - } - else if (previousEnumMemberIsNonConstant) { - error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); - } - if (autoValue !== undefined) { - getNodeLinks(member).enumMemberValue = autoValue; - autoValue++; + function chooseOverload(candidates, relation, signatureHelpTrailingComma) { + if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; } + for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { + var originalCandidate = candidates_2[_i]; + if (!hasCorrectArity(node, args, originalCandidate, signatureHelpTrailingComma)) { + continue; } - } - nodeLinks.flags |= 16384; - } - function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { - var reportError = true; - var value = evalConstant(initializer); - if (reportError) { - if (value === undefined) { - if (enumIsConst) { - error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + var candidate = void 0; + var typeArgumentsAreValid = void 0; + var inferenceContext = originalCandidate.typeParameters + ? createInferenceContext(originalCandidate, false) + : undefined; + while (true) { + candidate = originalCandidate; + if (candidate.typeParameters) { + var typeArgumentTypes = void 0; + if (typeArguments) { + typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNodeNoAlias); + typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); + } + else { + inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); + typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; + typeArgumentTypes = inferenceContext.inferredTypes; + } + if (!typeArgumentsAreValid) { + break; + } + candidate = getSignatureInstantiation(candidate, typeArgumentTypes); } - else if (ambient) { - error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { + break; } - else { - checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); + var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; + if (index < 0) { + return candidate; } + excludeArgument[index] = false; } - else if (enumIsConst) { - if (isNaN(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + if (originalCandidate.typeParameters) { + var instantiatedCandidate = candidate; + if (typeArgumentsAreValid) { + candidateForArgumentError = instantiatedCandidate; } - else if (!isFinite(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + else { + candidateForTypeArgumentError = originalCandidate; + if (!typeArguments) { + resultOfFailedInference = inferenceContext; + } } } + else { + ts.Debug.assert(originalCandidate === candidate); + candidateForArgumentError = originalCandidate; + } } - return value; - function evalConstant(e) { - switch (e.kind) { - case 186: - var value_1 = evalConstant(e.operand); - if (value_1 === undefined) { - return undefined; - } - switch (e.operator) { - case 36: return value_1; - case 37: return -value_1; - case 51: return ~value_1; - } - return undefined; - case 188: - var left = evalConstant(e.left); - if (left === undefined) { - return undefined; - } - var right = evalConstant(e.right); - if (right === undefined) { - return undefined; - } - switch (e.operatorToken.kind) { - case 48: return left | right; - case 47: return left & right; - case 45: return left >> right; - case 46: return left >>> right; - case 44: return left << right; - case 49: return left ^ right; - case 38: return left * right; - case 40: return left / right; - case 36: return left + right; - case 37: return left - right; - case 41: return left % right; - } - return undefined; - case 8: - return +e.text; - case 179: - return evalConstant(e.expression); - case 70: - case 174: - case 173: - var member = initializer.parent; - var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); - var enumType_1; - var propertyName = void 0; - if (e.kind === 70) { - enumType_1 = currentType; - propertyName = e.text; - } - else { - var expression = void 0; - if (e.kind === 174) { - if (e.argumentExpression === undefined || - e.argumentExpression.kind !== 9) { - return undefined; - } - expression = e.expression; - propertyName = e.argumentExpression.text; - } - else { - expression = e.expression; - propertyName = e.name.text; - } - var current = expression; - while (current) { - if (current.kind === 70) { - break; - } - else if (current.kind === 173) { - current = current.expression; - } - else { - return undefined; - } - } - enumType_1 = checkExpression(expression); - if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { - return undefined; - } - } - if (propertyName === undefined) { - return undefined; - } - var property = getPropertyOfObjectType(enumType_1, propertyName); - if (!property || !(property.flags & 8)) { - return undefined; - } - var propertyDecl = property.valueDeclaration; - if (member === propertyDecl) { - return undefined; - } - if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { - reportError = false; - error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); - return undefined; - } - return getNodeLinks(propertyDecl).enumMemberValue; + return undefined; + } + } + function resolveCallExpression(node, candidatesOutArray) { + if (node.expression.kind === 96) { + var superType = checkSuperExpression(node.expression); + if (superType !== unknownType) { + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); + if (baseTypeNode) { + var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); + return resolveCall(node, baseConstructors, candidatesOutArray); } } + return resolveUntypedCall(node); + } + var funcType = checkNonNullExpression(node.expression); + if (funcType === silentNeverType) { + return silentNeverSignature; + } + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { + if (funcType !== unknownType && node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + if (constructSignatures.length) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + } + else { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + } + return resolveErrorCall(node); } + return resolveCall(node, callSignatures, candidatesOutArray); } - function checkEnumDeclaration(node) { - if (!produceDiagnostics) { - return; + function isUntypedFunctionCall(funcType, apparentFuncType, numCallSignatures, numConstructSignatures) { + if (isTypeAny(funcType)) { + return true; } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - computeEnumMemberValues(node); - var enumIsConst = ts.isConst(node); - if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { - error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + if (isTypeAny(apparentFuncType) && funcType.flags & 16384) { + return true; } - var enumSymbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); - if (node === firstDeclaration) { - if (enumSymbol.declarations.length > 1) { - ts.forEach(enumSymbol.declarations, function (decl) { - if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { - error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); - } - }); + if (!numCallSignatures && !numConstructSignatures) { + if (funcType.flags & 65536) { + return false; } - var seenEnumMissingInitialInitializer_1 = false; - ts.forEach(enumSymbol.declarations, function (declaration) { - if (declaration.kind !== 225) { - return false; - } - var enumDeclaration = declaration; - if (!enumDeclaration.members.length) { - return false; - } - var firstEnumMember = enumDeclaration.members[0]; - if (!firstEnumMember.initializer) { - if (seenEnumMissingInitialInitializer_1) { - error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); - } - else { - seenEnumMissingInitialInitializer_1 = true; - } - } - }); + return isTypeAssignableTo(funcType, globalFunctionType); } + return false; } - function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { - var declaration = declarations_5[_i]; - if ((declaration.kind === 222 || - (declaration.kind === 221 && ts.nodeIsPresent(declaration.body))) && - !ts.isInAmbientContext(declaration)) { - return declaration; + function resolveNewExpression(node, candidatesOutArray) { + if (node.arguments && languageVersion < 1) { + var spreadIndex = getSpreadArgumentIndex(node.arguments); + if (spreadIndex >= 0) { + error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); } } - return undefined; - } - function inSameLexicalScope(node1, node2) { - var container1 = ts.getEnclosingBlockScopeContainer(node1); - var container2 = ts.getEnclosingBlockScopeContainer(node2); - if (isGlobalSourceFile(container1)) { - return isGlobalSourceFile(container2); + var expressionType = checkNonNullExpression(node.expression); + if (expressionType === silentNeverType) { + return silentNeverSignature; } - else if (isGlobalSourceFile(container2)) { - return false; + expressionType = getApparentType(expressionType); + if (expressionType === unknownType) { + return resolveErrorCall(node); } - else { - return container1 === container2; + var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); + if (valueDecl && ts.getModifierFlags(valueDecl) & 128) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); + return resolveErrorCall(node); } - } - function checkModuleDeclaration(node) { - if (produceDiagnostics) { - var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); - var inAmbientContext = ts.isInAmbientContext(node); - if (isGlobalAugmentation && !inAmbientContext) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + if (isTypeAny(expressionType)) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); } - var isAmbientExternalModule = ts.isAmbientModule(node); - var contextErrorMessage = isAmbientExternalModule - ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file - : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; - if (checkGrammarModuleElementContext(node, contextErrorMessage)) { - return; + return resolveUntypedCall(node); + } + var constructSignatures = getSignaturesOfType(expressionType, 1); + if (constructSignatures.length) { + if (!isConstructorAccessible(node, constructSignatures[0])) { + return resolveErrorCall(node); } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { - if (!inAmbientContext && node.name.kind === 9) { - grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); - } + return resolveCall(node, constructSignatures, candidatesOutArray); + } + var callSignatures = getSignaturesOfType(expressionType, 0); + if (callSignatures.length) { + var signature = resolveCall(node, callSignatures, candidatesOutArray); + if (getReturnTypeOfSignature(signature) !== voidType) { + error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); } - if (ts.isIdentifier(node.name)) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + if (getThisTypeOfSignature(signature) === voidType) { + error(node, ts.Diagnostics.A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void); } - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - if (symbol.flags & 512 - && symbol.declarations.length > 1 - && !inAmbientContext - && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { - var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); - if (firstNonAmbientClassOrFunc) { - if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); - } - else if (node.pos < firstNonAmbientClassOrFunc.pos) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + return signature; + } + error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); + return resolveErrorCall(node); + } + function isConstructorAccessible(node, signature) { + if (!signature || !signature.declaration) { + return true; + } + var declaration = signature.declaration; + var modifiers = ts.getModifierFlags(declaration); + if (!(modifiers & 24)) { + return true; + } + var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(declaration.parent.symbol); + var declaringClass = getDeclaredTypeOfSymbol(declaration.parent.symbol); + if (!isNodeWithinClass(node, declaringClassDeclaration)) { + var containingClass = ts.getContainingClass(node); + if (containingClass) { + var containingType = getTypeOfNode(containingClass); + var baseTypes = getBaseTypes(containingType); + if (baseTypes.length) { + var baseType = baseTypes[0]; + if (modifiers & 16 && + baseType.symbol === declaration.parent.symbol) { + return true; } } - var mergedClass = ts.getDeclarationOfKind(symbol, 222); - if (mergedClass && - inSameLexicalScope(node, mergedClass)) { - getNodeLinks(node).flags |= 32768; - } } - if (isAmbientExternalModule) { - if (ts.isExternalModuleAugmentation(node)) { - var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); - if (checkBody && node.body) { - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - checkModuleAugmentationElement(statement, isGlobalAugmentation); - } - } - } - else if (isGlobalSourceFile(node.parent)) { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else if (ts.isExternalModuleNameRelative(node.name.text)) { - error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); - } - } - else { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else { - error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); - } - } + if (modifiers & 8) { + error(node, ts.Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); } - } - if (node.body) { - checkSourceElement(node.body); - if (!ts.isGlobalScopeAugmentation(node)) { - registerForUnusedIdentifiersCheck(node); + if (modifiers & 16) { + error(node, ts.Diagnostics.Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration, typeToString(declaringClass)); } + return false; } + return true; } - function checkModuleAugmentationElement(node, isGlobalAugmentation) { - switch (node.kind) { - case 201: - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - checkModuleAugmentationElement(decl, isGlobalAugmentation); - } - break; - case 236: - case 237: - grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); - break; - case 230: - case 231: - grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); - break; - case 170: - case 219: - var name_22 = node.name; - if (ts.isBindingPattern(name_22)) { - for (var _b = 0, _c = name_22.elements; _b < _c.length; _b++) { - var el = _c[_b]; - checkModuleAugmentationElement(el, isGlobalAugmentation); - } - break; - } + function resolveTaggedTemplateExpression(node, candidatesOutArray) { + var tagType = checkExpression(node.tag); + var apparentType = getApparentType(tagType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isUntypedFunctionCall(tagType, apparentType, callSignatures.length, constructSignatures.length)) { + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function getDiagnosticHeadMessageForDecoratorResolution(node) { + switch (node.parent.kind) { case 222: - case 225: - case 221: - case 223: - case 226: - case 224: - if (isGlobalAugmentation) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol) { - var reportError = !(symbol.flags & 33554432); - if (!reportError) { - reportError = ts.isExternalModuleAugmentation(symbol.parent.declarations[0]); - } - } - break; + case 193: + return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; + case 143: + return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + case 146: + return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 148: + case 150: + case 151: + return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; } } - function getFirstIdentifier(node) { + function resolveDecorator(node, candidatesOutArray) { + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) { + return resolveUntypedCall(node); + } + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + if (!callSignatures.length) { + var errorInfo = void 0; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_Type_0_has_no_compatible_call_signatures, typeToString(apparentType)); + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, headMessage); + } + function resolveSignature(node, candidatesOutArray) { switch (node.kind) { - case 70: - return node; - case 140: - do { - node = node.left; - } while (node.kind !== 70); - return node; - case 173: - do { - node = node.expression; - } while (node.kind !== 70); - return node; + case 175: + return resolveCallExpression(node, candidatesOutArray); + case 176: + return resolveNewExpression(node, candidatesOutArray); + case 177: + return resolveTaggedTemplateExpression(node, candidatesOutArray); + case 144: + return resolveDecorator(node, candidatesOutArray); } + ts.Debug.fail("Branch in 'resolveSignature' should be unreachable."); } - function checkExternalImportOrExportDeclaration(node) { - var moduleName = ts.getExternalModuleName(node); - if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { - error(moduleName, ts.Diagnostics.String_literal_expected); + function getResolvedSignature(node, candidatesOutArray) { + var links = getNodeLinks(node); + var cached = links.resolvedSignature; + if (cached && cached !== resolvingSignature && !candidatesOutArray) { + return cached; + } + links.resolvedSignature = resolvingSignature; + var result = resolveSignature(node, candidatesOutArray); + links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached; + return result; + } + function getResolvedOrAnySignature(node) { + return getNodeLinks(node).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(node); + } + function getInferredClassType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.inferredClassType) { + links.inferredClassType = createAnonymousType(symbol, symbol.members, emptyArray, emptyArray, undefined, undefined); + } + return links.inferredClassType; + } + function checkCallExpression(node) { + checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); + var signature = getResolvedSignature(node); + if (node.expression.kind === 96) { + return voidType; + } + if (node.kind === 176) { + var declaration = signature.declaration; + if (declaration && + declaration.kind !== 149 && + declaration.kind !== 153 && + declaration.kind !== 158 && + !ts.isJSDocConstructSignature(declaration)) { + var funcSymbol = node.expression.kind === 70 ? + getResolvedSymbol(node.expression) : + checkExpression(node.expression).symbol; + if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) { + return getInferredClassType(funcSymbol); + } + else if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + return anyType; + } + } + if (ts.isInJavaScriptFile(node) && isCommonJsRequire(node)) { + return resolveExternalModuleTypeByLiteral(node.arguments[0]); + } + return getReturnTypeOfSignature(signature); + } + function isCommonJsRequire(node) { + if (!ts.isRequireCall(node, true)) { return false; } - var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 256 && !inAmbientExternalModule) { - error(moduleName, node.kind === 237 ? - ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : - ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + var resolvedRequire = resolveName(node.expression, node.expression.text, 107455, undefined, undefined); + if (!resolvedRequire) { + return true; + } + if (resolvedRequire.flags & 8388608) { return false; } - if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { - if (!isTopLevelInExternalModuleAugmentation(node)) { - error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); - return false; - } + var targetDeclarationKind = resolvedRequire.flags & 16 + ? 221 + : resolvedRequire.flags & 3 + ? 219 + : 0; + if (targetDeclarationKind !== 0) { + var decl = ts.getDeclarationOfKind(resolvedRequire, targetDeclarationKind); + return ts.isInAmbientContext(decl); } - return true; + return false; } - function checkAliasSymbol(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target !== unknownSymbol) { - var excludedMeanings = (symbol.flags & (107455 | 1048576) ? 107455 : 0) | - (symbol.flags & 793064 ? 793064 : 0) | - (symbol.flags & 1920 ? 1920 : 0); - if (target.flags & excludedMeanings) { - var message = node.kind === 239 ? - ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : - ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; - error(node, message, symbolToString(symbol)); + function checkTaggedTemplateExpression(node) { + return getReturnTypeOfSignature(getResolvedSignature(node)); + } + function checkAssertion(node) { + var exprType = getRegularTypeOfObjectLiteral(getBaseTypeOfLiteralType(checkExpression(node.expression))); + checkSourceElement(node.type); + var targetType = getTypeFromTypeNode(node.type); + if (produceDiagnostics && targetType !== unknownType) { + var widenedType = getWidenedType(exprType); + if (!isTypeComparableTo(targetType, widenedType)) { + checkTypeComparableTo(exprType, targetType, node, ts.Diagnostics.Type_0_cannot_be_converted_to_type_1); } } + return targetType; } - function checkImportBinding(node) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkAliasSymbol(node); + function checkNonNullAssertion(node) { + return getNonNullableType(checkExpression(node.expression)); } - function checkImportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; + function getTypeOfParameter(symbol) { + var type = getTypeOfSymbol(symbol); + if (strictNullChecks) { + var declaration = symbol.valueDeclaration; + if (declaration && declaration.initializer) { + return includeFalsyTypes(type, 2048); + } } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + return type; + } + function getTypeAtPosition(signature, pos) { + return signature.hasRestParameter ? + pos < signature.parameters.length - 1 ? getTypeOfParameter(signature.parameters[pos]) : getRestTypeOfSignature(signature) : + pos < signature.parameters.length ? getTypeOfParameter(signature.parameters[pos]) : anyType; + } + function assignContextualParameterTypes(signature, context, mapper) { + var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); + if (isInferentialContext(mapper)) { + for (var i = 0; i < len; i++) { + var declaration = signature.parameters[i].valueDeclaration; + if (declaration.type) { + inferTypes(mapper.context, getTypeFromTypeNode(declaration.type), getTypeAtPosition(context, i)); + } + } } - if (checkExternalImportOrExportDeclaration(node)) { - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - checkImportBinding(importClause); + if (context.thisParameter) { + var parameter = signature.thisParameter; + if (!parameter || parameter.valueDeclaration && !parameter.valueDeclaration.type) { + if (!parameter) { + signature.thisParameter = createTransientSymbol(context.thisParameter, undefined); } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 233) { - checkImportBinding(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, checkImportBinding); + assignTypeToParameterAndFixTypeParameters(signature.thisParameter, getTypeOfSymbol(context.thisParameter), mapper); + } + } + for (var i = 0; i < len; i++) { + var parameter = signature.parameters[i]; + if (!parameter.valueDeclaration.type) { + var contextualParameterType = getTypeAtPosition(context, i); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { + var parameter = ts.lastOrUndefined(signature.parameters); + if (!parameter.valueDeclaration.type) { + var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + } + function assignBindingElementTypes(node) { + if (ts.isBindingPattern(node.name)) { + for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + if (element.name.kind === 70) { + getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); } + assignBindingElementTypes(element); } } } } - function checkImportEqualsDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; + function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { + var links = getSymbolLinks(parameter); + if (!links.type) { + links.type = instantiateType(contextualType, mapper); + if (links.type === emptyObjectType && + (parameter.valueDeclaration.name.kind === 168 || + parameter.valueDeclaration.name.kind === 169)) { + links.type = getTypeFromBindingPattern(parameter.valueDeclaration.name); + } + assignBindingElementTypes(parameter.valueDeclaration); + } + else if (isInferentialContext(mapper)) { + inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + } + } + function getReturnTypeFromJSDocComment(func) { + var returnTag = ts.getJSDocReturnTag(func); + if (returnTag && returnTag.typeExpression) { + return getTypeFromTypeNode(returnTag.typeExpression.type); + } + return undefined; + } + function createPromiseType(promisedType) { + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType !== emptyGenericType) { + promisedType = getAwaitedType(promisedType); + return createTypeReference(globalPromiseType, [promisedType]); } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { - checkImportBinding(node); - if (ts.getModifierFlags(node) & 1) { - markExportAsReferenced(node); + return emptyObjectType; + } + function createPromiseReturnType(func, promisedType) { + var promiseType = createPromiseType(promisedType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + function getReturnTypeFromBody(func, contextualMapper) { + var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); + if (!func.body) { + return unknownType; + } + var isAsync = ts.isAsyncFunctionLike(func); + var type; + if (func.body.kind !== 200) { + type = checkExpressionCached(func.body, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); } - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - var target = resolveAlias(getSymbolOfNode(node)); - if (target !== unknownSymbol) { - if (target.flags & 107455) { - var moduleName = getFirstIdentifier(node.moduleReference); - if (!(resolveEntityName(moduleName, 107455 | 1920).flags & 1920)) { - error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); - } - } - if (target.flags & 793064) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + else { + var types = void 0; + var funcIsGenerator = !!func.asteriskToken; + if (funcIsGenerator) { + types = checkAndAggregateYieldOperandTypes(func, contextualMapper); + if (types.length === 0) { + var iterableIteratorAny = createIterableIteratorType(anyType); + if (compilerOptions.noImplicitAny) { + error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); } + return iterableIteratorAny; } } else { - if (modulekind === ts.ModuleKind.ES2015 && !ts.isInAmbientContext(node)) { - grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + types = checkAndAggregateReturnExpressionTypes(func, contextualMapper); + if (!types) { + return isAsync ? createPromiseReturnType(func, neverType) : neverType; + } + if (types.length === 0) { + return isAsync ? createPromiseReturnType(func, voidType) : voidType; } } + type = getUnionType(types, true); + if (funcIsGenerator) { + type = createIterableIteratorType(type); + } } - } - function checkExportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { - return; + if (!contextualSignature) { + reportErrorsFromWidening(func, type); } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + if (isUnitType(type) && + !(contextualSignature && + isLiteralContextualType(contextualSignature === getSignatureFromDeclaration(func) ? type : getReturnTypeOfSignature(contextualSignature)))) { + type = getWidenedLiteralType(type); } - if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { - if (node.exportClause) { - ts.forEach(node.exportClause.elements, checkExportSpecifier); - var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 256 && !inAmbientExternalModule) { - error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + var widenedType = getWidenedType(type); + return isAsync ? createPromiseReturnType(func, widenedType) : widenedType; + } + function checkAndAggregateYieldOperandTypes(func, contextualMapper) { + var aggregatedTypes = []; + ts.forEachYieldExpression(func.body, function (yieldExpression) { + var expr = yieldExpression.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (yieldExpression.asteriskToken) { + type = checkElementTypeOfIterable(type, yieldExpression.expression); } - } - else { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { - error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); } } + }); + return aggregatedTypes; + } + function isExhaustiveSwitchStatement(node) { + if (!node.possiblyExhaustive) { + return false; + } + var type = checkExpression(node.expression); + if (!isLiteralType(type)) { + return false; + } + var switchTypes = getSwitchClauseTypes(node); + if (!switchTypes.length) { + return false; } + return eachTypeContainedIn(type, switchTypes); } - function checkGrammarModuleElementContext(node, errorMessage) { - var isInAppropriateContext = node.parent.kind === 256 || node.parent.kind === 227 || node.parent.kind === 226; - if (!isInAppropriateContext) { - grammarErrorOnFirstToken(node, errorMessage); + function functionHasImplicitReturn(func) { + if (!(func.flags & 128)) { + return false; } - return !isInAppropriateContext; + var lastStatement = ts.lastOrUndefined(func.body.statements); + if (lastStatement && lastStatement.kind === 214 && isExhaustiveSwitchStatement(lastStatement)) { + return false; + } + return true; } - function checkExportSpecifier(node) { - checkAliasSymbol(node); - if (!node.parent.parent.moduleSpecifier) { - var exportedName = node.propertyName || node.name; - var symbol = resolveName(exportedName, exportedName.text, 107455 | 793064 | 1920 | 8388608, undefined, undefined); - if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { - error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, exportedName.text); + function checkAndAggregateReturnExpressionTypes(func, contextualMapper) { + var isAsync = ts.isAsyncFunctionLike(func); + var aggregatedTypes = []; + var hasReturnWithNoExpression = functionHasImplicitReturn(func); + var hasReturnOfTypeNever = false; + ts.forEachReturnStatement(func.body, function (returnStatement) { + var expr = returnStatement.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + if (type.flags & 8192) { + hasReturnOfTypeNever = true; + } + else if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } } else { - markExportAsReferenced(node); + hasReturnWithNoExpression = true; + } + }); + if (aggregatedTypes.length === 0 && !hasReturnWithNoExpression && (hasReturnOfTypeNever || + func.kind === 180 || func.kind === 181)) { + return undefined; + } + if (strictNullChecks && aggregatedTypes.length && hasReturnWithNoExpression) { + if (!ts.contains(aggregatedTypes, undefinedType)) { + aggregatedTypes.push(undefinedType); } } + return aggregatedTypes; } - function checkExportAssignment(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { + if (!produceDiagnostics) { return; } - var container = node.parent.kind === 256 ? node.parent : node.parent.parent; - if (container.kind === 226 && !ts.isAmbientModule(container)) { - error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + if (returnType && maybeTypeOfKind(returnType, 1 | 1024)) { return; } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); + if (ts.nodeIsMissing(func.body) || func.body.kind !== 200 || !functionHasImplicitReturn(func)) { + return; } - if (node.expression.kind === 70) { - markExportAsReferenced(node); + var hasExplicitReturn = func.flags & 256; + if (returnType && returnType.flags & 8192) { + error(func.type, ts.Diagnostics.A_function_returning_never_cannot_have_a_reachable_end_point); } - else { - checkExpressionCached(node.expression); + else if (returnType && !hasExplicitReturn) { + error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); } - checkExternalModuleExports(container); - if (node.isExportEquals && !ts.isInAmbientContext(node)) { - if (modulekind === ts.ModuleKind.ES2015) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead); - } - else if (modulekind === ts.ModuleKind.System) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); - } + else if (returnType && strictNullChecks && !isTypeAssignableTo(undefinedType, returnType)) { + error(func.type, ts.Diagnostics.Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined); } - } - function hasExportedMembers(moduleSymbol) { - for (var id in moduleSymbol.exports) { - if (id !== "export=") { - return true; + else if (compilerOptions.noImplicitReturns) { + if (!returnType) { + if (!hasExplicitReturn) { + return; + } + var inferredReturnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func)); + if (isUnwrappedReturnTypeVoidOrAny(func, inferredReturnType)) { + return; + } } + error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); } - return false; } - function checkExternalModuleExports(node) { - var moduleSymbol = getSymbolOfNode(node); - var links = getSymbolLinks(moduleSymbol); - if (!links.exportsChecked) { - var exportEqualsSymbol = moduleSymbol.exports["export="]; - if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { - var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; - if (!isTopLevelInExternalModuleAugmentation(declaration)) { - error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); - } - } - var exports_1 = getExportsOfModule(moduleSymbol); - for (var id in exports_1) { - if (id === "__export") { - continue; - } - var _a = exports_1[id], declarations = _a.declarations, flags = _a.flags; - if (flags & (1920 | 64 | 384)) { - continue; - } - var exportedDeclarationsCount = ts.countWhere(declarations, isNotOverload); - if (flags & 524288 && exportedDeclarationsCount <= 2) { - continue; - } - if (exportedDeclarationsCount > 1) { - for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { - var declaration = declarations_6[_i]; - if (isNotOverload(declaration)) { - diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); + if (!hasGrammarError && node.kind === 180) { + checkGrammarForGenerator(node); + } + if (contextualMapper === identityMapper && isContextSensitive(node)) { + checkNodeDeferred(node); + return anyFunctionType; + } + var links = getNodeLinks(node); + var type = getTypeOfSymbol(node.symbol); + var contextSensitive = isContextSensitive(node); + var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); + if (mightFixTypeParameters || !(links.flags & 1024)) { + var contextualSignature = getContextualSignature(node); + var contextChecked = !!(links.flags & 1024); + if (mightFixTypeParameters || !contextChecked) { + links.flags |= 1024; + if (contextualSignature) { + var signature = getSignaturesOfType(type, 0)[0]; + if (contextSensitive) { + assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); + } + if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { + var returnType = getReturnTypeFromBody(node, contextualMapper); + if (!signature.resolvedReturnType) { + signature.resolvedReturnType = returnType; } } } + if (!contextChecked) { + checkSignatureDeclaration(node); + checkNodeDeferred(node); + } } - links.exportsChecked = true; } - function isNotOverload(declaration) { - return (declaration.kind !== 221 && declaration.kind !== 148) || - !!declaration.body; + if (produceDiagnostics && node.kind !== 148) { + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); } + return type; } - function checkSourceElement(node) { - if (!node) { - return; + function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { + ts.Debug.assert(node.kind !== 148 || ts.isObjectLiteralMethod(node)); + var isAsync = ts.isAsyncFunctionLike(node); + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + if (!node.asteriskToken) { + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); } - var kind = node.kind; - if (cancellationToken) { - switch (kind) { - case 226: - case 222: - case 223: - case 221: - cancellationToken.throwIfCancellationRequested(); + if (node.body) { + if (!node.type) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + if (node.body.kind === 200) { + checkSourceElement(node.body); + } + else { + var exprType = checkExpression(node.body); + if (returnOrPromisedType) { + if (isAsync) { + var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); + checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); + } + else { + checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); + } + } } + registerForUnusedIdentifiersCheck(node); } - switch (kind) { - case 142: - return checkTypeParameter(node); - case 143: - return checkParameter(node); - case 146: - case 145: - return checkPropertyDeclaration(node); - case 157: - case 158: - case 152: - case 153: - return checkSignatureDeclaration(node); - case 154: - return checkSignatureDeclaration(node); - case 148: - case 147: - return checkMethodDeclaration(node); - case 149: - return checkConstructorDeclaration(node); - case 150: - case 151: - return checkAccessorDeclaration(node); - case 156: - return checkTypeReferenceNode(node); - case 155: - return checkTypePredicate(node); - case 159: - return checkTypeQuery(node); - case 160: - return checkTypeLiteral(node); - case 161: - return checkArrayType(node); - case 162: - return checkTupleType(node); - case 163: - case 164: - return checkUnionOrIntersectionType(node); - case 165: - return checkSourceElement(node.type); - case 221: - return checkFunctionDeclaration(node); - case 200: - case 227: - return checkBlock(node); - case 201: - return checkVariableStatement(node); - case 203: - return checkExpressionStatement(node); - case 204: - return checkIfStatement(node); - case 205: - return checkDoStatement(node); - case 206: - return checkWhileStatement(node); - case 207: - return checkForStatement(node); - case 208: - return checkForInStatement(node); - case 209: - return checkForOfStatement(node); - case 210: - case 211: - return checkBreakOrContinueStatement(node); - case 212: - return checkReturnStatement(node); - case 213: - return checkWithStatement(node); - case 214: - return checkSwitchStatement(node); - case 215: - return checkLabeledStatement(node); - case 216: - return checkThrowStatement(node); - case 217: - return checkTryStatement(node); - case 219: - return checkVariableDeclaration(node); - case 170: - return checkBindingElement(node); - case 222: - return checkClassDeclaration(node); - case 223: - return checkInterfaceDeclaration(node); - case 224: - return checkTypeAliasDeclaration(node); - case 225: - return checkEnumDeclaration(node); - case 226: - return checkModuleDeclaration(node); - case 231: - return checkImportDeclaration(node); - case 230: - return checkImportEqualsDeclaration(node); - case 237: - return checkExportDeclaration(node); - case 236: - return checkExportAssignment(node); - case 202: - checkGrammarStatementInAmbientContext(node); - return; - case 218: - checkGrammarStatementInAmbientContext(node); - return; - case 240: - return checkMissingDeclaration(node); + } + function checkArithmeticOperandType(operand, type, diagnostic) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 340)) { + error(operand, diagnostic); + return false; } + return true; } - function checkNodeDeferred(node) { - if (deferredNodes) { - deferredNodes.push(node); + function isReadonlySymbol(symbol) { + return symbol.isReadonly || + symbol.flags & 4 && (getDeclarationModifierFlagsFromSymbol(symbol) & 64) !== 0 || + symbol.flags & 3 && (getDeclarationNodeFlagsFromSymbol(symbol) & 2) !== 0 || + symbol.flags & 98304 && !(symbol.flags & 65536) || + (symbol.flags & 8) !== 0; + } + function isReferenceToReadonlyEntity(expr, symbol) { + if (isReadonlySymbol(symbol)) { + if (symbol.flags & 4 && + (expr.kind === 173 || expr.kind === 174) && + expr.expression.kind === 98) { + var func = ts.getContainingFunction(expr); + if (!(func && func.kind === 149)) + return true; + return !(func.parent === symbol.valueDeclaration.parent || func === symbol.valueDeclaration.parent); + } + return true; } + return false; } - function checkDeferredNodes() { - for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { - var node = deferredNodes_1[_i]; - switch (node.kind) { - case 180: - case 181: - case 148: - case 147: - checkFunctionExpressionOrObjectLiteralMethodDeferred(node); - break; - case 150: - case 151: - checkAccessorDeferred(node); - break; - case 193: - checkClassExpressionDeferred(node); - break; + function isReferenceThroughNamespaceImport(expr) { + if (expr.kind === 173 || expr.kind === 174) { + var node = skipParenthesizedNodes(expr.expression); + if (node.kind === 70) { + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol.flags & 8388608) { + var declaration = getDeclarationOfAliasSymbol(symbol); + return declaration && declaration.kind === 233; + } + } + } + return false; + } + function checkReferenceExpression(expr, invalidReferenceMessage, constantVariableMessage) { + var node = skipParenthesizedNodes(expr); + if (node.kind !== 70 && node.kind !== 173 && node.kind !== 174) { + error(expr, invalidReferenceMessage); + return false; + } + var links = getNodeLinks(node); + var symbol = getExportSymbolOfValueSymbolIfExported(links.resolvedSymbol); + if (symbol) { + if (symbol !== unknownSymbol && symbol !== argumentsSymbol) { + if (node.kind === 70 && !(symbol.flags & 3)) { + error(expr, invalidReferenceMessage); + return false; + } + if (isReferenceToReadonlyEntity(node, symbol) || isReferenceThroughNamespaceImport(node)) { + error(expr, constantVariableMessage); + return false; + } + } + } + else if (node.kind === 174) { + if (links.resolvedIndexInfo && links.resolvedIndexInfo.isReadonly) { + error(expr, constantVariableMessage); + return false; } } + return true; } - function checkSourceFile(node) { - ts.performance.mark("beforeCheck"); - checkSourceFileWorker(node); - ts.performance.mark("afterCheck"); - ts.performance.measure("Check", "beforeCheck", "afterCheck"); + function checkDeleteExpression(node) { + checkExpression(node.expression); + return booleanType; } - function checkSourceFileWorker(node) { - var links = getNodeLinks(node); - if (!(links.flags & 1)) { - if (compilerOptions.skipLibCheck && node.isDeclarationFile || compilerOptions.skipDefaultLibCheck && node.hasNoDefaultLib) { - return; - } - checkGrammarSourceFile(node); - potentialThisCollisions.length = 0; - deferredNodes = []; - deferredUnusedIdentifierNodes = produceDiagnostics && noUnusedIdentifiers ? [] : undefined; - ts.forEach(node.statements, checkSourceElement); - checkDeferredNodes(); - if (ts.isExternalModule(node)) { - registerForUnusedIdentifiersCheck(node); - } - if (!node.isDeclarationFile) { - checkUnusedIdentifiers(); - } - deferredNodes = undefined; - deferredUnusedIdentifierNodes = undefined; - if (ts.isExternalOrCommonJsModule(node)) { - checkExternalModuleExports(node); + function checkTypeOfExpression(node) { + checkExpression(node.expression); + return stringType; + } + function checkVoidExpression(node) { + checkExpression(node.expression); + return undefinedWideningType; + } + function checkAwaitExpression(node) { + if (produceDiagnostics) { + if (!(node.flags & 262144)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); } - if (potentialThisCollisions.length) { - ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); - potentialThisCollisions.length = 0; + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); } - links.flags |= 1; } + var operandType = checkExpression(node.expression); + return checkAwaitedType(operandType, node); } - function getDiagnostics(sourceFile, ct) { - try { - cancellationToken = ct; - return getDiagnosticsWorker(sourceFile); + function checkPrefixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + if (operandType === silentNeverType) { + return silentNeverType; } - finally { - cancellationToken = undefined; + if (node.operator === 37 && node.operand.kind === 8) { + return getFreshTypeOfLiteralType(getLiteralTypeForText(64, "" + -node.operand.text)); } - } - function getDiagnosticsWorker(sourceFile) { - throwIfNonDiagnosticsProducing(); - if (sourceFile) { - checkSourceFile(sourceFile); - return diagnostics.getDiagnostics(sourceFile.fileName); + switch (node.operator) { + case 36: + case 37: + case 51: + if (maybeTypeOfKind(operandType, 512)) { + error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); + } + return numberType; + case 50: + var facts = getTypeFacts(operandType) & (1048576 | 2097152); + return facts === 1048576 ? falseType : + facts === 2097152 ? trueType : + booleanType; + case 42: + case 43: + var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); + } + return numberType; } - ts.forEach(host.getSourceFiles(), checkSourceFile); - return diagnostics.getDiagnostics(); - } - function getGlobalDiagnostics() { - throwIfNonDiagnosticsProducing(); - return diagnostics.getGlobalDiagnostics(); + return unknownType; } - function throwIfNonDiagnosticsProducing() { - if (!produceDiagnostics) { - throw new Error("Trying to get diagnostics from a type checker that does not produce them."); + function checkPostfixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + if (operandType === silentNeverType) { + return silentNeverType; } + var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property); + } + return numberType; } - function isInsideWithStatementBody(node) { - if (node) { - while (node.parent) { - if (node.parent.kind === 213 && node.parent.statement === node) { + function maybeTypeOfKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 196608) { + var types = type.types; + for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { + var t = types_15[_i]; + if (maybeTypeOfKind(t, kind)) { return true; } - node = node.parent; } } return false; } - function getSymbolsInScope(location, meaning) { - var symbols = ts.createMap(); - var memberFlags = 0; - if (isInsideWithStatementBody(location)) { - return []; - } - populateSymbols(); - return symbolsToArray(symbols); - function populateSymbols() { - while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - copySymbols(location.locals, meaning); - } - switch (location.kind) { - case 256: - if (!ts.isExternalOrCommonJsModule(location)) { - break; - } - case 226: - copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); - break; - case 225: - copySymbols(getSymbolOfNode(location).exports, meaning & 8); - break; - case 193: - var className = location.name; - if (className) { - copySymbol(location.symbol, meaning); - } - case 222: - case 223: - if (!(memberFlags & 32)) { - copySymbols(getSymbolOfNode(location).members, meaning & 793064); - } - break; - case 180: - var funcName = location.name; - if (funcName) { - copySymbol(location.symbol, meaning); - } - break; - } - if (ts.introducesArgumentsExoticObject(location)) { - copySymbol(argumentsSymbol, meaning); - } - memberFlags = ts.getModifierFlags(location); - location = location.parent; - } - copySymbols(globals, meaning); + function isTypeOfKind(type, kind) { + if (type.flags & kind) { + return true; } - function copySymbol(symbol, meaning) { - if (symbol.flags & meaning) { - var id = symbol.name; - if (!symbols[id]) { - symbols[id] = symbol; + if (type.flags & 65536) { + var types = type.types; + for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { + var t = types_16[_i]; + if (!isTypeOfKind(t, kind)) { + return false; } } + return true; } - function copySymbols(source, meaning) { - if (meaning) { - for (var id in source) { - var symbol = source[id]; - copySymbol(symbol, meaning); + if (type.flags & 131072) { + var types = type.types; + for (var _a = 0, types_17 = types; _a < types_17.length; _a++) { + var t = types_17[_a]; + if (isTypeOfKind(t, kind)) { + return true; } } } + return false; } - function isTypeDeclarationName(name) { - return name.kind === 70 && - isTypeDeclaration(name.parent) && - name.parent.name === name; + function isConstEnumObjectType(type) { + return getObjectFlags(type) & 16 && type.symbol && isConstEnumSymbol(type.symbol); } - function isTypeDeclaration(node) { - switch (node.kind) { - case 142: - case 222: - case 223: - case 224: - case 225: - return true; - } + function isConstEnumSymbol(symbol) { + return (symbol.flags & 128) !== 0; } - function isTypeReferenceIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 140) { - node = node.parent; + function checkInstanceOfExpression(left, right, leftType, rightType) { + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; } - return node.parent && (node.parent.kind === 156 || node.parent.kind === 267); - } - function isHeritageClauseElementIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 173) { - node = node.parent; + if (isTypeOfKind(leftType, 8190)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); } - return node.parent && node.parent.kind === 195; - } - function forEachEnclosingClass(node, callback) { - var result; - while (true) { - node = ts.getContainingClass(node); - if (!node) - break; - if (result = callback(node)) - break; + if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); } - return result; - } - function isNodeWithinClass(node, classDeclaration) { - return !!forEachEnclosingClass(node, function (n) { return n === classDeclaration; }); + return booleanType; } - function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { - while (nodeOnRightSide.parent.kind === 140) { - nodeOnRightSide = nodeOnRightSide.parent; + function checkInExpression(left, right, leftType, rightType) { + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; } - if (nodeOnRightSide.parent.kind === 230) { - return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; + if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 | 340 | 512)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); } - if (nodeOnRightSide.parent.kind === 236) { - return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 16384)) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); } - return undefined; - } - function isInRightSideOfImportOrExportAssignment(node) { - return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; + return booleanType; } - function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { - if (ts.isDeclarationName(entityName)) { - return getSymbolOfNode(entityName.parent); - } - if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 173) { - var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); - switch (specialPropertyAssignmentKind) { - case 1: - case 3: - return getSymbolOfNode(entityName.parent); - case 4: - case 2: - return getSymbolOfNode(entityName.parent.parent); - default: - } - } - if (entityName.parent.kind === 236 && ts.isEntityNameExpression(entityName)) { - return resolveEntityName(entityName, 107455 | 793064 | 1920 | 8388608); - } - if (entityName.kind !== 173 && isInRightSideOfImportOrExportAssignment(entityName)) { - var importEqualsDeclaration = ts.getAncestor(entityName, 230); - ts.Debug.assert(importEqualsDeclaration !== undefined); - return getSymbolOfPartOfRightHandSideOfImportEquals(entityName, true); - } - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; + function checkObjectLiteralAssignment(node, sourceType) { + var properties = node.properties; + for (var _i = 0, properties_4 = properties; _i < properties_4.length; _i++) { + var p = properties_4[_i]; + checkObjectLiteralDestructuringPropertyAssignment(sourceType, p); } - if (isHeritageClauseElementIdentifier(entityName)) { - var meaning = 0; - if (entityName.parent.kind === 195) { - meaning = 793064; - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { - meaning |= 107455; - } - } - else { - meaning = 1920; + return sourceType; + } + function checkObjectLiteralDestructuringPropertyAssignment(objectLiteralType, property) { + if (property.kind === 253 || property.kind === 254) { + var name_20 = property.name; + if (name_20.kind === 141) { + checkComputedPropertyName(name_20); } - meaning |= 8388608; - return resolveEntityName(entityName, meaning); - } - else if (ts.isPartOfExpression(entityName)) { - if (ts.nodeIsMissing(entityName)) { + if (isComputedNonLiteralName(name_20)) { return undefined; } - if (entityName.kind === 70) { - if (ts.isJSXTagName(entityName) && isJsxIntrinsicIdentifier(entityName)) { - return getIntrinsicTagSymbol(entityName.parent); + var text = getTextOfPropertyName(name_20); + var type = isTypeAny(objectLiteralType) + ? objectLiteralType + : getTypeOfPropertyOfType(objectLiteralType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(objectLiteralType, 1) || + getIndexTypeOfType(objectLiteralType, 0); + if (type) { + if (property.kind === 254) { + return checkDestructuringAssignment(property, type); } - return resolveEntityName(entityName, 107455, false, true); - } - else if (entityName.kind === 173) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkPropertyAccessExpression(entityName); + else { + return checkDestructuringAssignment(property.initializer, type); } - return getNodeLinks(entityName).resolvedSymbol; } - else if (entityName.kind === 140) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkQualifiedName(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; + else { + error(name_20, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(objectLiteralType), ts.declarationNameToString(name_20)); } } - else if (isTypeReferenceIdentifier(entityName)) { - var meaning = (entityName.parent.kind === 156 || entityName.parent.kind === 267) ? 793064 : 1920; - return resolveEntityName(entityName, meaning, false, true); - } - else if (entityName.parent.kind === 246) { - return getJsxAttributePropertySymbol(entityName.parent); - } - if (entityName.parent.kind === 155) { - return resolveEntityName(entityName, 1); + else { + error(property, ts.Diagnostics.Property_assignment_expected); } - return undefined; } - function getSymbolAtLocation(node) { - if (node.kind === 256) { - return ts.isExternalModule(node) ? getMergedSymbol(node.symbol) : undefined; - } - if (isInsideWithStatementBody(node)) { - return undefined; - } - if (ts.isDeclarationName(node)) { - return getSymbolOfNode(node.parent); - } - else if (ts.isLiteralComputedPropertyDeclarationName(node)) { - return getSymbolOfNode(node.parent.parent); + function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { + var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; + var elements = node.elements; + for (var i = 0; i < elements.length; i++) { + checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, elementType, contextualMapper); } - if (node.kind === 70) { - if (isInRightSideOfImportOrExportAssignment(node)) { - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - } - else if (node.parent.kind === 170 && - node.parent.parent.kind === 168 && - node === node.parent.propertyName) { - var typeOfPattern = getTypeOfNode(node.parent.parent); - var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); - if (propertyDeclaration) { - return propertyDeclaration; + return sourceType; + } + function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, contextualMapper) { + var elements = node.elements; + var element = elements[elementIndex]; + if (element.kind !== 194) { + if (element.kind !== 192) { + var propName = "" + elementIndex; + var type = isTypeAny(sourceType) + ? sourceType + : isTupleLikeType(sourceType) + ? getTypeOfPropertyOfType(sourceType, propName) + : elementType; + if (type) { + return checkDestructuringAssignment(element, type, contextualMapper); } - } - } - switch (node.kind) { - case 70: - case 173: - case 140: - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - case 98: - var container = ts.getThisContainer(node, false); - if (ts.isFunctionLike(container)) { - var sig = getSignatureFromDeclaration(container); - if (sig.thisParameter) { - return sig.thisParameter; + else { + checkExpression(element); + if (isTupleType(sourceType)) { + error(element, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), getTypeReferenceArity(sourceType), elements.length); + } + else { + error(element, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); } } - case 96: - var type = ts.isPartOfExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); - return type.symbol; - case 166: - return getTypeFromTypeNode(node).symbol; - case 122: - var constructorDeclaration = node.parent; - if (constructorDeclaration && constructorDeclaration.kind === 149) { - return constructorDeclaration.parent.symbol; - } - return undefined; - case 9: - if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || - ((node.parent.kind === 231 || node.parent.kind === 237) && - node.parent.moduleSpecifier === node)) { - return resolveExternalModuleName(node, node); - } - if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node.parent, false)) { - return resolveExternalModuleName(node, node); + } + else { + if (elementIndex < elements.length - 1) { + error(element, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); } - case 8: - if (node.parent.kind === 174 && node.parent.argumentExpression === node) { - var objectType = checkExpression(node.parent.expression); - if (objectType === unknownType) - return undefined; - var apparentType = getApparentType(objectType); - if (apparentType === unknownType) - return undefined; - return getPropertyOfType(apparentType, node.text); + else { + var restExpression = element.expression; + if (restExpression.kind === 188 && restExpression.operatorToken.kind === 57) { + error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + else { + return checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + } } - break; - } - return undefined; - } - function getShorthandAssignmentValueSymbol(location) { - if (location && location.kind === 254) { - return resolveEntityName(location.name, 107455 | 8388608); + } } return undefined; } - function getExportSpecifierLocalTargetSymbol(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920 | 8388608); - } - function getTypeOfNode(node) { - if (isInsideWithStatementBody(node)) { - return unknownType; - } - if (ts.isPartOfTypeNode(node)) { - return getTypeFromTypeNode(node); - } - if (ts.isPartOfExpression(node)) { - return getTypeOfExpression(node); - } - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { - return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; - } - if (isTypeDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getDeclaredTypeOfSymbol(symbol); - } - if (isTypeDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - } - if (ts.isDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getTypeOfSymbol(symbol); - } - if (ts.isDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getTypeOfSymbol(symbol); - } - if (ts.isBindingPattern(node)) { - return getTypeForVariableLikeDeclaration(node.parent, true); + function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { + var target; + if (exprOrAssignment.kind === 254) { + var prop = exprOrAssignment; + if (prop.objectAssignmentInitializer) { + if (strictNullChecks && + !(getFalsyFlags(checkExpression(prop.objectAssignmentInitializer)) & 2048)) { + sourceType = getTypeWithFacts(sourceType, 131072); + } + checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + } + target = exprOrAssignment.name; } - if (isInRightSideOfImportOrExportAssignment(node)) { - var symbol = getSymbolAtLocation(node); - var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); - return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + else { + target = exprOrAssignment; } - return unknownType; - } - function getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr) { - ts.Debug.assert(expr.kind === 172 || expr.kind === 171); - if (expr.parent.kind === 209) { - var iteratedType = checkRightHandSideOfForOf(expr.parent.expression); - return checkDestructuringAssignment(expr, iteratedType || unknownType); + if (target.kind === 188 && target.operatorToken.kind === 57) { + checkBinaryExpression(target, contextualMapper); + target = target.left; } - if (expr.parent.kind === 188) { - var iteratedType = checkExpression(expr.parent.right); - return checkDestructuringAssignment(expr, iteratedType || unknownType); + if (target.kind === 172) { + return checkObjectLiteralAssignment(target, sourceType); } - if (expr.parent.kind === 253) { - var typeOfParentObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent.parent); - return checkObjectLiteralDestructuringPropertyAssignment(typeOfParentObjectLiteral || unknownType, expr.parent); + if (target.kind === 171) { + return checkArrayLiteralAssignment(target, sourceType, contextualMapper); } - ts.Debug.assert(expr.parent.kind === 171); - var typeOfArrayLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent); - var elementType = checkIteratedTypeOrElementType(typeOfArrayLiteral || unknownType, expr.parent, false) || unknownType; - return checkArrayLiteralDestructuringElementAssignment(expr.parent, typeOfArrayLiteral, ts.indexOf(expr.parent.elements, expr), elementType || unknownType); - } - function getPropertySymbolOfDestructuringAssignment(location) { - var typeOfObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(location.parent.parent); - return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.text); + return checkReferenceAssignment(target, sourceType, contextualMapper); } - function getTypeOfExpression(expr) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { - expr = expr.parent; + function checkReferenceAssignment(target, sourceType, contextualMapper) { + var targetType = checkExpression(target, contextualMapper); + if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property)) { + checkTypeAssignableTo(sourceType, targetType, target, undefined); } - return getRegularTypeOfLiteralType(checkExpression(expr)); - } - function getParentTypeOfClassElement(node) { - var classSymbol = getSymbolOfNode(node.parent); - return ts.getModifierFlags(node) & 32 - ? getTypeOfSymbol(classSymbol) - : getDeclaredTypeOfSymbol(classSymbol); + return sourceType; } - function getAugmentedPropertiesOfType(type) { - type = getApparentType(type); - var propsByName = createSymbolTable(getPropertiesOfType(type)); - if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { - ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { - if (!propsByName[p.name]) { - propsByName[p.name] = p; + function isSideEffectFree(node) { + node = ts.skipParentheses(node); + switch (node.kind) { + case 70: + case 9: + case 11: + case 177: + case 190: + case 12: + case 8: + case 100: + case 85: + case 94: + case 136: + case 180: + case 193: + case 181: + case 171: + case 172: + case 183: + case 197: + case 243: + case 242: + return true; + case 189: + return isSideEffectFree(node.whenTrue) && + isSideEffectFree(node.whenFalse); + case 188: + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return false; } - }); - } - return getNamedMembers(propsByName); - } - function getRootSymbols(symbol) { - if (symbol.flags & 268435456) { - var symbols_3 = []; - var name_23 = symbol.name; - ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { - var symbol = getPropertyOfType(t, name_23); - if (symbol) { - symbols_3.push(symbol); + return isSideEffectFree(node.left) && + isSideEffectFree(node.right); + case 186: + case 187: + switch (node.operator) { + case 50: + case 36: + case 37: + case 51: + return true; } - }); - return symbols_3; - } - else if (symbol.flags & 67108864) { - var target = void 0; - var next = symbol; - while (next = getSymbolLinks(next).target) { - target = next; - } - if (target) { - return [target]; - } + return false; + case 184: + case 178: + case 196: + default: + return false; } - return [symbol]; } - function isArgumentsLocalBinding(node) { - if (!ts.isGeneratedIdentifier(node)) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - return getReferencedValueSymbol(node) === argumentsSymbol; - } - } - return false; + function isTypeEqualityComparableTo(source, target) { + return (target.flags & 6144) !== 0 || isTypeComparableTo(source, target); } - function moduleExportsSomeValue(moduleReferenceExpression) { - var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); - if (!moduleSymbol || ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { - return true; - } - var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - var symbolLinks = getSymbolLinks(moduleSymbol); - if (symbolLinks.exportsSomeValue === undefined) { - symbolLinks.exportsSomeValue = hasExportAssignment - ? !!(moduleSymbol.flags & 107455) - : ts.forEachProperty(getExportsOfModule(moduleSymbol), isValue); - } - return symbolLinks.exportsSomeValue; - function isValue(s) { - s = resolveSymbol(s); - return s && !!(s.flags & 107455); - } + function getBestChoiceType(type1, type2) { + var firstAssignableToSecond = isTypeAssignableTo(type1, type2); + var secondAssignableToFirst = isTypeAssignableTo(type2, type1); + return secondAssignableToFirst && !firstAssignableToSecond ? type1 : + firstAssignableToSecond && !secondAssignableToFirst ? type2 : + getUnionType([type1, type2], true); } - function isNameOfModuleOrEnumDeclaration(node) { - var parent = node.parent; - return ts.isModuleOrEnumDeclaration(parent) && node === parent.name; + function checkBinaryExpression(node, contextualMapper) { + return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); } - function getReferencedExportContainer(node, prefixLocals) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - var symbol = getReferencedValueSymbol(node, isNameOfModuleOrEnumDeclaration(node)); - if (symbol) { - if (symbol.flags & 1048576) { - var exportSymbol = getMergedSymbol(symbol.exportSymbol); - if (!prefixLocals && exportSymbol.flags & 944) { - return undefined; + function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { + var operator = operatorToken.kind; + if (operator === 57 && (left.kind === 172 || left.kind === 171)) { + return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + } + var leftType = checkExpression(left, contextualMapper); + var rightType = checkExpression(right, contextualMapper); + switch (operator) { + case 38: + case 39: + case 60: + case 61: + case 40: + case 62: + case 41: + case 63: + case 37: + case 59: + case 44: + case 64: + case 45: + case 65: + case 46: + case 66: + case 48: + case 68: + case 49: + case 69: + case 47: + case 67: + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + if (leftType.flags & 6144) + leftType = rightType; + if (rightType.flags & 6144) + rightType = leftType; + leftType = getNonNullableType(leftType); + rightType = getNonNullableType(rightType); + var suggestedOperator = void 0; + if ((leftType.flags & 136) && + (rightType.flags & 136) && + (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { + error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + else { + var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + if (leftOk && rightOk) { + checkAssignmentOperator(numberType); } - symbol = exportSymbol; } - var parentSymbol = getParentOfSymbol(symbol); - if (parentSymbol) { - if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 256) { - var symbolFile = parentSymbol.valueDeclaration; - var referenceFile = ts.getSourceFileOfNode(node); - var symbolIsUmdExport = symbolFile !== referenceFile; - return symbolIsUmdExport ? undefined : symbolFile; + return numberType; + case 36: + case 58: + if (leftType === silentNeverType || rightType === silentNeverType) { + return silentNeverType; + } + if (leftType.flags & 6144) + leftType = rightType; + if (rightType.flags & 6144) + rightType = leftType; + leftType = getNonNullableType(leftType); + rightType = getNonNullableType(rightType); + var resultType = void 0; + if (isTypeOfKind(leftType, 340) && isTypeOfKind(rightType, 340)) { + resultType = numberType; + } + else { + if (isTypeOfKind(leftType, 34) || isTypeOfKind(rightType, 34)) { + resultType = stringType; } - for (var n = node.parent; n; n = n.parent) { - if (ts.isModuleOrEnumDeclaration(n) && getSymbolOfNode(n) === parentSymbol) { - return n; - } + else if (isTypeAny(leftType) || isTypeAny(rightType)) { + resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + } + if (resultType && !checkForDisallowedESSymbolOperand(operator)) { + return resultType; + } + } + if (!resultType) { + reportOperatorError(); + return anyType; + } + if (operator === 58) { + checkAssignmentOperator(resultType); + } + return resultType; + case 26: + case 28: + case 29: + case 30: + if (checkForDisallowedESSymbolOperand(operator)) { + if (!isTypeComparableTo(leftType, rightType) && !isTypeComparableTo(rightType, leftType)) { + reportOperatorError(); } } + return booleanType; + case 31: + case 32: + case 33: + case 34: + var leftIsLiteral = isLiteralType(leftType); + var rightIsLiteral = isLiteralType(rightType); + if (!leftIsLiteral || !rightIsLiteral) { + leftType = leftIsLiteral ? getBaseTypeOfLiteralType(leftType) : leftType; + rightType = rightIsLiteral ? getBaseTypeOfLiteralType(rightType) : rightType; + } + if (!isTypeEqualityComparableTo(leftType, rightType) && !isTypeEqualityComparableTo(rightType, leftType)) { + reportOperatorError(); + } + return booleanType; + case 92: + return checkInstanceOfExpression(left, right, leftType, rightType); + case 91: + return checkInExpression(left, right, leftType, rightType); + case 52: + return getTypeFacts(leftType) & 1048576 ? + includeFalsyTypes(rightType, getFalsyFlags(strictNullChecks ? leftType : getBaseTypeOfLiteralType(rightType))) : + leftType; + case 53: + return getTypeFacts(leftType) & 2097152 ? + getBestChoiceType(removeDefinitelyFalsyTypes(leftType), rightType) : + leftType; + case 57: + checkAssignmentOperator(rightType); + return getRegularTypeOfObjectLiteral(rightType); + case 25: + if (!compilerOptions.allowUnreachableCode && isSideEffectFree(left)) { + error(left, ts.Diagnostics.Left_side_of_comma_operator_is_unused_and_has_no_side_effects); + } + return rightType; + } + function checkForDisallowedESSymbolOperand(operator) { + var offendingSymbolOperand = maybeTypeOfKind(leftType, 512) ? left : + maybeTypeOfKind(rightType, 512) ? right : + undefined; + if (offendingSymbolOperand) { + error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); + return false; } + return true; } - } - function getReferencedImportDeclaration(node) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - var symbol = getReferencedValueSymbol(node); - if (symbol && symbol.flags & 8388608) { - return getDeclarationOfAliasSymbol(symbol); + function getSuggestedBooleanOperator(operator) { + switch (operator) { + case 48: + case 68: + return 53; + case 49: + case 69: + return 34; + case 47: + case 67: + return 52; + default: + return undefined; } } - return undefined; - } - function isSymbolOfDeclarationWithCollidingName(symbol) { - if (symbol.flags & 418) { - var links = getSymbolLinks(symbol); - if (links.isDeclarationWithCollidingName === undefined) { - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (ts.isStatementWithLocals(container)) { - var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); - if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { - links.isDeclarationWithCollidingName = true; - } - else if (nodeLinks_1.flags & 131072) { - var isDeclaredInLoop = nodeLinks_1.flags & 262144; - var inLoopInitializer = ts.isIterationStatement(container, false); - var inLoopBodyBlock = container.kind === 200 && ts.isIterationStatement(container.parent, false); - links.isDeclarationWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); - } - else { - links.isDeclarationWithCollidingName = false; - } + function checkAssignmentOperator(valueType) { + if (produceDiagnostics && operator >= 57 && operator <= 69) { + var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property); + if (ok) { + checkTypeAssignableTo(valueType, leftType, left, undefined); } } - return links.isDeclarationWithCollidingName; } - return false; + function reportOperatorError() { + error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); + } } - function getReferencedDeclarationWithCollidingName(node) { - if (!ts.isGeneratedIdentifier(node)) { - node = ts.getParseTreeNode(node, ts.isIdentifier); - if (node) { - var symbol = getReferencedValueSymbol(node); - if (symbol && isSymbolOfDeclarationWithCollidingName(symbol)) { - return symbol.valueDeclaration; - } + function isYieldExpressionInClass(node) { + var current = node; + var parent = node.parent; + while (parent) { + if (ts.isFunctionLike(parent) && current === parent.body) { + return false; + } + else if (ts.isClassLike(current)) { + return true; } + current = parent; + parent = parent.parent; } - return undefined; + return false; } - function isDeclarationWithCollidingName(node) { - node = ts.getParseTreeNode(node, ts.isDeclaration); - if (node) { - var symbol = getSymbolOfNode(node); - if (symbol) { - return isSymbolOfDeclarationWithCollidingName(symbol); + function checkYieldExpression(node) { + if (produceDiagnostics) { + if (!(node.flags & 65536) || isYieldExpressionInClass(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); } } - return false; + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func && func.asteriskToken) { + var expressionType = checkExpressionCached(node.expression, undefined); + var expressionElementType = void 0; + var nodeIsYieldStar = !!node.asteriskToken; + if (nodeIsYieldStar) { + expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); + } + if (func.type) { + var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; + if (nodeIsYieldStar) { + checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); + } + else { + checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); + } + } + } + } + return anyType; } - function isValueAliasDeclaration(node) { - node = ts.getParseTreeNode(node); - if (node === undefined) { - return true; + function checkConditionalExpression(node, contextualMapper) { + checkExpression(node.condition); + var type1 = checkExpression(node.whenTrue, contextualMapper); + var type2 = checkExpression(node.whenFalse, contextualMapper); + return getBestChoiceType(type1, type2); + } + function checkLiteralExpression(node) { + if (node.kind === 8) { + checkGrammarNumericLiteral(node); } switch (node.kind) { - case 230: - case 232: - case 233: - case 235: - case 239: - return isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol); - case 237: - var exportClause = node.exportClause; - return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); - case 236: - return node.expression - && node.expression.kind === 70 - ? isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol) - : true; + case 9: + return getFreshTypeOfLiteralType(getLiteralTypeForText(32, node.text)); + case 8: + return getFreshTypeOfLiteralType(getLiteralTypeForText(64, node.text)); + case 100: + return trueType; + case 85: + return falseType; } - return false; } - function isTopLevelValueImportEqualsWithEntityName(node) { - node = ts.getParseTreeNode(node, ts.isImportEqualsDeclaration); - if (node === undefined || node.parent.kind !== 256 || !ts.isInternalModuleImportEqualsDeclaration(node)) { - return false; - } - var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); - return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); + function checkTemplateExpression(node) { + ts.forEach(node.templateSpans, function (templateSpan) { + checkExpression(templateSpan.expression); + }); + return stringType; } - function isAliasResolvedToValue(symbol) { - var target = resolveAlias(symbol); - if (target === unknownSymbol) { - return true; + function checkExpressionWithContextualType(node, contextualType, contextualMapper) { + var saveContextualType = node.contextualType; + node.contextualType = contextualType; + var result = checkExpression(node, contextualMapper); + node.contextualType = saveContextualType; + return result; + } + function checkExpressionCached(node, contextualMapper) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var saveFlowLoopStart = flowLoopStart; + flowLoopStart = flowLoopCount; + links.resolvedType = checkExpression(node, contextualMapper); + flowLoopStart = saveFlowLoopStart; } - return target.flags & 107455 && - (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); + return links.resolvedType; } - function isConstEnumOrConstEnumOnlyModule(s) { - return isConstEnumSymbol(s) || s.constEnumOnlyModule; + function isTypeAssertion(node) { + node = skipParenthesizedNodes(node); + return node.kind === 178 || node.kind === 196; } - function isReferencedAliasDeclaration(node, checkChildren) { - node = ts.getParseTreeNode(node); - if (node === undefined) { - return true; - } - if (ts.isAliasSymbolDeclaration(node)) { - var symbol = getSymbolOfNode(node); - if (symbol && getSymbolLinks(symbol).referenced) { - return true; + function checkDeclarationInitializer(declaration) { + var type = checkExpressionCached(declaration.initializer); + return ts.getCombinedNodeFlags(declaration) & 2 || + ts.getCombinedModifierFlags(declaration) & 64 || + isTypeAssertion(declaration.initializer) ? type : getWidenedLiteralType(type); + } + function isLiteralContextualType(contextualType) { + if (contextualType) { + if (contextualType.flags & 16384) { + var apparentType = getApparentTypeOfTypeParameter(contextualType); + if (apparentType.flags & (2 | 4 | 8 | 16)) { + return true; + } + contextualType = apparentType; } - } - if (checkChildren) { - return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); + return maybeTypeOfKind(contextualType, 480); } return false; } - function isImplementationOfOverload(node) { - if (ts.nodeIsPresent(node.body)) { - var symbol = getSymbolOfNode(node); - var signaturesOfSymbol = getSignaturesOfSymbol(symbol); - return signaturesOfSymbol.length > 1 || - (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); + function checkExpressionForMutableLocation(node, contextualMapper) { + var type = checkExpression(node, contextualMapper); + return isTypeAssertion(node) || isLiteralContextualType(getContextualType(node)) ? type : getWidenedLiteralType(type); + } + function checkPropertyAssignment(node, contextualMapper) { + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); } - return false; + return checkExpressionForMutableLocation(node.initializer, contextualMapper); } - function getNodeCheckFlags(node) { - node = ts.getParseTreeNode(node); - return node ? getNodeLinks(node).flags : undefined; + function checkObjectLiteralMethod(node, contextualMapper) { + checkGrammarMethod(node); + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); + } + var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); } - function getEnumMemberValue(node) { - computeEnumMemberValues(node.parent); - return getNodeLinks(node).enumMemberValue; + function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { + if (isInferentialContext(contextualMapper)) { + var signature = getSingleCallSignature(type); + if (signature && signature.typeParameters) { + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType) { + var contextualSignature = getSingleCallSignature(contextualType); + if (contextualSignature && !contextualSignature.typeParameters) { + return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + } + } + } + } + return type; } - function getConstantValue(node) { - if (node.kind === 255) { - return getEnumMemberValue(node); + function checkExpression(node, contextualMapper) { + var type; + if (node.kind === 140) { + type = checkQualifiedName(node); } - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol && (symbol.flags & 8)) { - if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { - return getEnumMemberValue(symbol.valueDeclaration); + else { + var uninstantiatedType = checkExpressionWorker(node, contextualMapper); + type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + if (isConstEnumObjectType(type)) { + var ok = (node.parent.kind === 173 && node.parent.expression === node) || + (node.parent.kind === 174 && node.parent.expression === node) || + ((node.kind === 70 || node.kind === 140) && isInRightSideOfImportOrExportAssignment(node)); + if (!ok) { + error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); } } - return undefined; - } - function isFunctionType(type) { - return type.flags & 2588672 && getSignaturesOfType(type, 0).length > 0; + return type; } - function getTypeReferenceSerializationKind(typeName, location) { - var valueSymbol = resolveEntityName(typeName, 107455, true, false, location); - var globalPromiseSymbol = tryGetGlobalPromiseConstructorSymbol(); - if (globalPromiseSymbol && valueSymbol === globalPromiseSymbol) { - return ts.TypeReferenceSerializationKind.Promise; - } - var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; - if (constructorType && isConstructorType(constructorType)) { - return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + function checkExpressionWorker(node, contextualMapper) { + switch (node.kind) { + case 70: + return checkIdentifier(node); + case 98: + return checkThisExpression(node); + case 96: + return checkSuperExpression(node); + case 94: + return nullWideningType; + case 9: + case 8: + case 100: + case 85: + return checkLiteralExpression(node); + case 190: + return checkTemplateExpression(node); + case 12: + return stringType; + case 11: + return globalRegExpType; + case 171: + return checkArrayLiteral(node, contextualMapper); + case 172: + return checkObjectLiteral(node, contextualMapper); + case 173: + return checkPropertyAccessExpression(node); + case 174: + return checkIndexedAccess(node); + case 175: + case 176: + return checkCallExpression(node); + case 177: + return checkTaggedTemplateExpression(node); + case 179: + return checkExpression(node.expression, contextualMapper); + case 193: + return checkClassExpression(node); + case 180: + case 181: + return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + case 183: + return checkTypeOfExpression(node); + case 178: + case 196: + return checkAssertion(node); + case 197: + return checkNonNullAssertion(node); + case 182: + return checkDeleteExpression(node); + case 184: + return checkVoidExpression(node); + case 185: + return checkAwaitExpression(node); + case 186: + return checkPrefixUnaryExpression(node); + case 187: + return checkPostfixUnaryExpression(node); + case 188: + return checkBinaryExpression(node, contextualMapper); + case 189: + return checkConditionalExpression(node, contextualMapper); + case 192: + return checkSpreadElementExpression(node, contextualMapper); + case 194: + return undefinedWideningType; + case 191: + return checkYieldExpression(node); + case 248: + return checkJsxExpression(node); + case 242: + return checkJsxElement(node); + case 243: + return checkJsxSelfClosingElement(node); + case 244: + ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); } - var typeSymbol = resolveEntityName(typeName, 793064, true, false, location); - if (!typeSymbol) { - return ts.TypeReferenceSerializationKind.ObjectType; + return unknownType; + } + function checkTypeParameter(node) { + if (node.expression) { + grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); } - var type = getDeclaredTypeOfSymbol(typeSymbol); - if (type === unknownType) { - return ts.TypeReferenceSerializationKind.Unknown; + checkSourceElement(node.constraint); + getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); } - else if (type.flags & 1) { - return ts.TypeReferenceSerializationKind.ObjectType; + } + function checkParameter(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkVariableLikeDeclaration(node); + var func = ts.getContainingFunction(node); + if (ts.getModifierFlags(node) & 92) { + func = ts.getContainingFunction(node); + if (!(func.kind === 149 && ts.nodeIsPresent(func.body))) { + error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } } - else if (isTypeOfKind(type, 1024 | 6144 | 8192)) { - return ts.TypeReferenceSerializationKind.VoidNullableOrNeverType; + if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { + error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); } - else if (isTypeOfKind(type, 136)) { - return ts.TypeReferenceSerializationKind.BooleanType; + if (node.name.text === "this") { + if (ts.indexOf(func.parameters, node) !== 0) { + error(node, ts.Diagnostics.A_this_parameter_must_be_the_first_parameter); + } + if (func.kind === 149 || func.kind === 153 || func.kind === 158) { + error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter); + } } - else if (isTypeOfKind(type, 340)) { - return ts.TypeReferenceSerializationKind.NumberLikeType; + if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); } - else if (isTypeOfKind(type, 34)) { - return ts.TypeReferenceSerializationKind.StringLikeType; + } + function isSyntacticallyValidGenerator(node) { + if (!node.asteriskToken || !node.body) { + return false; } - else if (isTupleType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; + return node.kind === 148 || + node.kind === 221 || + node.kind === 180; + } + function getTypePredicateParameterIndex(parameterList, parameter) { + if (parameterList) { + for (var i = 0; i < parameterList.length; i++) { + var param = parameterList[i]; + if (param.name.kind === 70 && + param.name.text === parameter.text) { + return i; + } + } } - else if (isTypeOfKind(type, 512)) { - return ts.TypeReferenceSerializationKind.ESSymbolType; + return -1; + } + function checkTypePredicate(node) { + var parent = getTypePredicateParent(node); + if (!parent) { + error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); + return; } - else if (isFunctionType(type)) { - return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + var typePredicate = getSignatureFromDeclaration(parent).typePredicate; + if (!typePredicate) { + return; } - else if (isArrayType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; + var parameterName = node.parameterName; + if (ts.isThisTypePredicate(typePredicate)) { + getTypeFromThisTypeNode(parameterName); } else { - return ts.TypeReferenceSerializationKind.ObjectType; + if (typePredicate.parameterIndex >= 0) { + if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { + error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); + } + else { + var leadingError = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type); + checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type, undefined, leadingError); + } + } + else if (parameterName) { + var hasReportedError = false; + for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { + var name_21 = _a[_i].name; + if (ts.isBindingPattern(name_21) && + checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_21, parameterName, typePredicate.parameterName)) { + hasReportedError = true; + break; + } + } + if (!hasReportedError) { + error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); + } + } } } - function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { - var symbol = getSymbolOfNode(declaration); - var type = symbol && !(symbol.flags & (2048 | 131072)) - ? getWidenedLiteralType(getTypeOfSymbol(symbol)) - : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { - var signature = getSignatureFromDeclaration(signatureDeclaration); - getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); - } - function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { - var type = getWidenedType(getTypeOfExpression(expr)); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeBaseConstructorTypeOfClass(node, enclosingDeclaration, flags, writer) { - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(node)); - resolveBaseTypesOfClass(classType); - var baseType = classType.resolvedBaseTypes.length ? classType.resolvedBaseTypes[0] : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(baseType, writer, enclosingDeclaration, flags); - } - function hasGlobalName(name) { - return !!globals[name]; - } - function getReferencedValueSymbol(reference, startInDeclarationContainer) { - var resolvedSymbol = getNodeLinks(reference).resolvedSymbol; - if (resolvedSymbol) { - return resolvedSymbol; - } - var location = reference; - if (startInDeclarationContainer) { - var parent_14 = reference.parent; - if (ts.isDeclaration(parent_14) && reference === parent_14.name) { - location = getDeclarationContainer(parent_14); - } + function getTypePredicateParent(node) { + switch (node.parent.kind) { + case 181: + case 152: + case 221: + case 180: + case 157: + case 148: + case 147: + var parent_12 = node.parent; + if (node === parent_12.type) { + return parent_12; + } } - return resolveName(location, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); } - function getReferencedValueDeclaration(reference) { - if (!ts.isGeneratedIdentifier(reference)) { - reference = ts.getParseTreeNode(reference, ts.isIdentifier); - if (reference) { - var symbol = getReferencedValueSymbol(reference); - if (symbol) { - return getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (ts.isOmittedExpression(element)) { + continue; + } + var name_22 = element.name; + if (name_22.kind === 70 && + name_22.text === predicateVariableName) { + error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); + return true; + } + else if (name_22.kind === 169 || + name_22.kind === 168) { + if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_22, predicateVariableNode, predicateVariableName)) { + return true; } } } - return undefined; } - function isLiteralConstDeclaration(node) { - if (ts.isConst(node)) { - var type = getTypeOfSymbol(getSymbolOfNode(node)); - return !!(type.flags & 96 && type.flags & 16777216); + function checkSignatureDeclaration(node) { + if (node.kind === 154) { + checkGrammarIndexSignature(node); } - return false; - } - function writeLiteralConstValue(node, writer) { - var type = getTypeOfSymbol(getSymbolOfNode(node)); - writer.writeStringLiteral(literalTypeToString(type)); - } - function createResolver() { - var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives(); - var fileToDirective; - if (resolvedTypeReferenceDirectives) { - fileToDirective = ts.createFileMap(); - for (var key in resolvedTypeReferenceDirectives) { - var resolvedDirective = resolvedTypeReferenceDirectives[key]; - if (!resolvedDirective) { - continue; + else if (node.kind === 157 || node.kind === 221 || node.kind === 158 || + node.kind === 152 || node.kind === 149 || + node.kind === 153) { + checkGrammarFunctionLikeDeclaration(node); + } + checkTypeParameters(node.typeParameters); + ts.forEach(node.parameters, checkParameter); + if (node.type) { + checkSourceElement(node.type); + } + if (produceDiagnostics) { + checkCollisionWithArgumentsInGeneratedCode(node); + if (compilerOptions.noImplicitAny && !node.type) { + switch (node.kind) { + case 153: + error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + case 152: + error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; } - var file = host.getSourceFile(resolvedDirective.resolvedFileName); - fileToDirective.set(file.path, key); } - } - return { - getReferencedExportContainer: getReferencedExportContainer, - getReferencedImportDeclaration: getReferencedImportDeclaration, - getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, - isDeclarationWithCollidingName: isDeclarationWithCollidingName, - isValueAliasDeclaration: isValueAliasDeclaration, - hasGlobalName: hasGlobalName, - isReferencedAliasDeclaration: isReferencedAliasDeclaration, - getNodeCheckFlags: getNodeCheckFlags, - isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, - isDeclarationVisible: isDeclarationVisible, - isImplementationOfOverload: isImplementationOfOverload, - writeTypeOfDeclaration: writeTypeOfDeclaration, - writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, - writeTypeOfExpression: writeTypeOfExpression, - writeBaseConstructorTypeOfClass: writeBaseConstructorTypeOfClass, - isSymbolAccessible: isSymbolAccessible, - isEntityNameVisible: isEntityNameVisible, - getConstantValue: getConstantValue, - collectLinkedAliases: collectLinkedAliases, - getReferencedValueDeclaration: getReferencedValueDeclaration, - getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, - isOptionalParameter: isOptionalParameter, - moduleExportsSomeValue: moduleExportsSomeValue, - isArgumentsLocalBinding: isArgumentsLocalBinding, - getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration, - getTypeReferenceDirectivesForEntityName: getTypeReferenceDirectivesForEntityName, - getTypeReferenceDirectivesForSymbol: getTypeReferenceDirectivesForSymbol, - isLiteralConstDeclaration: isLiteralConstDeclaration, - writeLiteralConstValue: writeLiteralConstValue - }; - function getTypeReferenceDirectivesForEntityName(node) { - if (!fileToDirective) { - return undefined; + if (node.type) { + if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { + var returnType = getTypeFromTypeNode(node.type); + if (returnType === voidType) { + error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); + } + else { + var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; + var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); + checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); + } + } + else if (ts.isAsyncFunctionLike(node)) { + checkAsyncFunctionReturnType(node); + } } - var meaning = (node.kind === 173) || (node.kind === 70 && isInTypeQuery(node)) - ? 107455 | 1048576 - : 793064 | 1920; - var symbol = resolveEntityName(node, meaning, true); - return symbol && symbol !== unknownSymbol ? getTypeReferenceDirectivesForSymbol(symbol, meaning) : undefined; - } - function getTypeReferenceDirectivesForSymbol(symbol, meaning) { - if (!fileToDirective) { - return undefined; + if (noUnusedIdentifiers && !node.body) { + checkUnusedTypeParameters(node); } - if (!isSymbolFromTypeDeclarationFile(symbol)) { - return undefined; + } + } + function checkClassForDuplicateDeclarations(node) { + var instanceNames = ts.createMap(); + var staticNames = ts.createMap(); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 149) { + for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { + var param = _c[_b]; + if (ts.isParameterPropertyDeclaration(param)) { + addName(instanceNames, param.name, param.name.text, 3); + } + } } - var typeReferenceDirectives; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - if (decl.symbol && decl.symbol.flags & meaning) { - var file = ts.getSourceFileOfNode(decl); - var typeReferenceDirective = fileToDirective.get(file.path); - if (typeReferenceDirective) { - (typeReferenceDirectives || (typeReferenceDirectives = [])).push(typeReferenceDirective); + else { + var isStatic = ts.forEach(member.modifiers, function (m) { return m.kind === 114; }); + var names = isStatic ? staticNames : instanceNames; + var memberName = member.name && ts.getPropertyNameForPropertyNameNode(member.name); + if (memberName) { + switch (member.kind) { + case 150: + addName(names, member.name, memberName, 1); + break; + case 151: + addName(names, member.name, memberName, 2); + break; + case 146: + addName(names, member.name, memberName, 3); + break; } } } - return typeReferenceDirectives; } - function isSymbolFromTypeDeclarationFile(symbol) { - if (!symbol.declarations) { - return false; + function addName(names, location, name, meaning) { + var prev = names[name]; + if (prev) { + if (prev & meaning) { + error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location)); + } + else { + names[name] = prev | meaning; + } } - var current = symbol; - while (true) { - var parent_15 = getParentOfSymbol(current); - if (parent_15) { - current = parent_15; + else { + names[name] = meaning; + } + } + } + function checkObjectTypeForDuplicateDeclarations(node) { + var names = ts.createMap(); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind == 145) { + var memberName = void 0; + switch (member.name.kind) { + case 9: + case 8: + case 70: + memberName = member.name.text; + break; + default: + continue; + } + if (names[memberName]) { + error(member.symbol.valueDeclaration.name, ts.Diagnostics.Duplicate_identifier_0, memberName); + error(member.name, ts.Diagnostics.Duplicate_identifier_0, memberName); } else { - break; + names[memberName] = true; } } - if (current.valueDeclaration && current.valueDeclaration.kind === 256 && current.flags & 512) { - return false; + } + } + function checkTypeForDuplicateIndexSignatures(node) { + if (node.kind === 223) { + var nodeSymbol = getSymbolOfNode(node); + if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { + return; } - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + } + var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); + if (indexSymbol) { + var seenNumericIndexer = false; + var seenStringIndexer = false; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { var decl = _a[_i]; - var file = ts.getSourceFileOfNode(decl); - if (fileToDirective.contains(file.path)) { - return true; + var declaration = decl; + if (declaration.parameters.length === 1 && declaration.parameters[0].type) { + switch (declaration.parameters[0].type.kind) { + case 133: + if (!seenStringIndexer) { + seenStringIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_string_index_signature); + } + break; + case 131: + if (!seenNumericIndexer) { + seenNumericIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_number_index_signature); + } + break; + } } } - return false; } } - function getExternalModuleFileFromDeclaration(declaration) { - var specifier = ts.getExternalModuleName(declaration); - var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); - if (!moduleSymbol) { - return undefined; + function checkPropertyDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); + checkVariableLikeDeclaration(node); + } + function checkMethodDeclaration(node) { + checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); + checkFunctionOrMethodDeclaration(node); + if (ts.getModifierFlags(node) & 128 && node.body) { + error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); } - return ts.getDeclarationOfKind(moduleSymbol, 256); } - function initializeTypeChecker() { - for (var _i = 0, _a = host.getSourceFiles(); _i < _a.length; _i++) { - var file = _a[_i]; - ts.bindSourceFile(file, compilerOptions); + function checkConstructorDeclaration(node) { + checkSignatureDeclaration(node); + checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); + checkSourceElement(node.body); + registerForUnusedIdentifiersCheck(node); + var symbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(symbol); } - var augmentations; - var requestedExternalEmitHelpers = 0; - var firstFileRequestingExternalHelpers; - for (var _b = 0, _c = host.getSourceFiles(); _b < _c.length; _b++) { - var file = _c[_b]; - if (!ts.isExternalOrCommonJsModule(file)) { - mergeSymbolTable(globals, file.locals); + if (ts.nodeIsMissing(node.body)) { + return; + } + if (!produceDiagnostics) { + return; + } + function containsSuperCallAsComputedPropertyName(n) { + return n.name && containsSuperCall(n.name); + } + function containsSuperCall(n) { + if (ts.isSuperCall(n)) { + return true; } - if (file.patternAmbientModules && file.patternAmbientModules.length) { - patternAmbientModules = ts.concatenate(patternAmbientModules, file.patternAmbientModules); + else if (ts.isFunctionLike(n)) { + return false; } - if (file.moduleAugmentations.length) { - (augmentations || (augmentations = [])).push(file.moduleAugmentations); + else if (ts.isClassLike(n)) { + return ts.forEach(n.members, containsSuperCallAsComputedPropertyName); } - if (file.symbol && file.symbol.globalExports) { - var source = file.symbol.globalExports; - for (var id in source) { - if (!(id in globals)) { - globals[id] = source[id]; + return ts.forEachChild(n, containsSuperCall); + } + function markThisReferencesAsErrors(n) { + if (n.kind === 98) { + error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + } + else if (n.kind !== 180 && n.kind !== 221) { + ts.forEachChild(n, markThisReferencesAsErrors); + } + } + function isInstancePropertyWithInitializer(n) { + return n.kind === 146 && + !(ts.getModifierFlags(n) & 32) && + !!n.initializer; + } + var containingClassDecl = node.parent; + if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { + captureLexicalThis(node.parent, containingClassDecl); + var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); + var superCall = getSuperCallInConstructor(node); + if (superCall) { + if (classExtendsNull) { + error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); + } + var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || + ts.forEach(node.parameters, function (p) { return ts.getModifierFlags(p) & 92; }); + if (superCallShouldBeFirst) { + var statements = node.body.statements; + var superCallStatement = void 0; + for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { + var statement = statements_2[_i]; + if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { + superCallStatement = statement; + break; + } + if (!ts.isPrologueDirective(statement)) { + break; + } + } + if (!superCallStatement) { + error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); } } } - if ((compilerOptions.isolatedModules || ts.isExternalModule(file)) && !file.isDeclarationFile) { - var fileRequestedExternalEmitHelpers = file.flags & 31744; - if (fileRequestedExternalEmitHelpers) { - requestedExternalEmitHelpers |= fileRequestedExternalEmitHelpers; - if (firstFileRequestingExternalHelpers === undefined) { - firstFileRequestingExternalHelpers = file; + else if (!classExtendsNull) { + error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); + } + } + } + function checkAccessorDeclaration(node) { + if (produceDiagnostics) { + checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); + checkDecorators(node); + checkSignatureDeclaration(node); + if (node.kind === 150) { + if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 128)) { + if (!(node.flags & 256)) { + error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); } } } - } - if (augmentations) { - for (var _d = 0, augmentations_1 = augmentations; _d < augmentations_1.length; _d++) { - var list = augmentations_1[_d]; - for (var _e = 0, list_1 = list; _e < list_1.length; _e++) { - var augmentation = list_1[_e]; - mergeModuleAugmentation(augmentation); + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + var otherKind = node.kind === 150 ? 151 : 150; + var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); + if (otherAccessor) { + if ((ts.getModifierFlags(node) & 28) !== (ts.getModifierFlags(otherAccessor) & 28)) { + error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); + } + if (ts.hasModifier(node, 128) !== ts.hasModifier(otherAccessor, 128)) { + error(node.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract); + } + checkAccessorDeclarationTypesIdentical(node, otherAccessor, getAnnotatedAccessorType, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); + checkAccessorDeclarationTypesIdentical(node, otherAccessor, getThisTypeOfDeclaration, ts.Diagnostics.get_and_set_accessor_must_have_the_same_this_type); } } + var returnType = getTypeOfAccessors(getSymbolOfNode(node)); + if (node.kind === 150) { + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType); + } } - addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); - getSymbolLinks(undefinedSymbol).type = undefinedWideningType; - getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); - getSymbolLinks(unknownSymbol).type = unknownType; - globalArrayType = getGlobalType("Array", 1); - globalObjectType = getGlobalType("Object"); - globalFunctionType = getGlobalType("Function"); - globalStringType = getGlobalType("String"); - globalNumberType = getGlobalType("Number"); - globalBooleanType = getGlobalType("Boolean"); - globalRegExpType = getGlobalType("RegExp"); - jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); - getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); - getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); - getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); - getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); - getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); - getGlobalESSymbolConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Symbol"); }); - getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); - tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793064, undefined) && getGlobalPromiseType(); }); - getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); - getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); - getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); - tryGetGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalSymbol("Promise", 107455, undefined) && getGlobalPromiseConstructorSymbol(); }); - getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); - getGlobalThenableType = ts.memoize(createThenableType); - getGlobalTemplateStringsArrayType = ts.memoize(function () { return getGlobalType("TemplateStringsArray"); }); - if (languageVersion >= 2) { - getGlobalESSymbolType = ts.memoize(function () { return getGlobalType("Symbol"); }); - getGlobalIterableType = ts.memoize(function () { return getGlobalType("Iterable", 1); }); - getGlobalIteratorType = ts.memoize(function () { return getGlobalType("Iterator", 1); }); - getGlobalIterableIteratorType = ts.memoize(function () { return getGlobalType("IterableIterator", 1); }); + if (node.parent.kind !== 172) { + checkSourceElement(node.body); + registerForUnusedIdentifiersCheck(node); } else { - getGlobalESSymbolType = ts.memoize(function () { return emptyObjectType; }); - getGlobalIterableType = ts.memoize(function () { return emptyGenericType; }); - getGlobalIteratorType = ts.memoize(function () { return emptyGenericType; }); - getGlobalIterableIteratorType = ts.memoize(function () { return emptyGenericType; }); + checkNodeDeferred(node); } - anyArrayType = createArrayType(anyType); - autoArrayType = createArrayType(autoType); - var symbol = getGlobalSymbol("ReadonlyArray", 793064, undefined); - globalReadonlyArrayType = symbol && getTypeOfGlobalSymbol(symbol, 1); - anyReadonlyArrayType = globalReadonlyArrayType ? createTypeFromGenericGlobalType(globalReadonlyArrayType, [anyType]) : anyArrayType; - if (compilerOptions.importHelpers && firstFileRequestingExternalHelpers) { - var helpersModule = resolveExternalModule(firstFileRequestingExternalHelpers, ts.externalHelpersModuleNameText, ts.Diagnostics.Cannot_find_module_0, undefined); - if (helpersModule) { - var exports_2 = helpersModule.exports; - if (requestedExternalEmitHelpers & 1024 && languageVersion < 2) { - verifyHelperSymbol(exports_2, "__extends", 107455); - } - if (requestedExternalEmitHelpers & 16384 && compilerOptions.jsx !== 1) { - verifyHelperSymbol(exports_2, "__assign", 107455); - } - if (requestedExternalEmitHelpers & 2048) { - verifyHelperSymbol(exports_2, "__decorate", 107455); - if (compilerOptions.emitDecoratorMetadata) { - verifyHelperSymbol(exports_2, "__metadata", 107455); - } - } - if (requestedExternalEmitHelpers & 4096) { - verifyHelperSymbol(exports_2, "__param", 107455); - } - if (requestedExternalEmitHelpers & 8192) { - verifyHelperSymbol(exports_2, "__awaiter", 107455); - if (languageVersion < 2) { - verifyHelperSymbol(exports_2, "__generator", 107455); - } + } + function checkAccessorDeclarationTypesIdentical(first, second, getAnnotatedType, message) { + var firstType = getAnnotatedType(first); + var secondType = getAnnotatedType(second); + if (firstType && secondType && !isTypeIdenticalTo(firstType, secondType)) { + error(first, message); + } + } + function checkAccessorDeferred(node) { + checkSourceElement(node.body); + registerForUnusedIdentifiersCheck(node); + } + function checkMissingDeclaration(node) { + checkDecorators(node); + } + function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { + var typeArguments; + var mapper; + var result = true; + for (var i = 0; i < typeParameters.length; i++) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + if (!typeArguments) { + typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNodeNoAlias); + mapper = createTypeMapper(typeParameters, typeArguments); } + var typeArgument = typeArguments[i]; + result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); } } + return result; } - function verifyHelperSymbol(symbols, name, meaning) { - var symbol = getSymbol(symbols, ts.escapeIdentifier(name), meaning); - if (!symbol) { - error(undefined, ts.Diagnostics.Module_0_has_no_exported_member_1, ts.externalHelpersModuleNameText, name); + function checkTypeReferenceNode(node) { + checkGrammarTypeArguments(node, node.typeArguments); + var type = getTypeFromTypeReference(node); + if (type !== unknownType) { + if (node.typeArguments) { + ts.forEach(node.typeArguments, checkSourceElement); + if (produceDiagnostics) { + var symbol = getNodeLinks(node).resolvedSymbol; + var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; + checkTypeArgumentConstraints(typeParameters, node.typeArguments); + } + } + if (type.flags & 16 && !type.memberTypes && getNodeLinks(node).resolvedSymbol.flags & 8) { + error(node, ts.Diagnostics.Enum_type_0_has_members_with_initializers_that_are_not_literals, typeToString(type)); + } } } - function createInstantiatedPromiseLikeType() { - var promiseLikeType = getGlobalPromiseLikeType(); - if (promiseLikeType !== emptyGenericType) { - return createTypeReference(promiseLikeType, [anyType]); + function checkTypeQuery(node) { + getTypeFromTypeQueryNode(node); + } + function checkTypeLiteral(node) { + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + checkObjectTypeForDuplicateDeclarations(node); } - return emptyObjectType; } - function createThenableType() { - var thenPropertySymbol = createSymbol(67108864 | 4, "then"); - getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(2097152); - thenableType.properties = [thenPropertySymbol]; - thenableType.members = createSymbolTable(thenableType.properties); - thenableType.callSignatures = []; - thenableType.constructSignatures = []; - return thenableType; + function checkArrayType(node) { + checkSourceElement(node.elementType); } - function checkGrammarDecorators(node) { - if (!node.decorators) { - return false; - } - if (!ts.nodeCanBeDecorated(node)) { - if (node.kind === 148 && !ts.nodeIsPresent(node.body)) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); - } + function checkTupleType(node) { + var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); + if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { + grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); } - else if (node.kind === 150 || node.kind === 151) { - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + ts.forEach(node.elementTypes, checkSourceElement); + } + function checkUnionOrIntersectionType(node) { + ts.forEach(node.types, checkSourceElement); + } + function isPrivateWithinAmbient(node) { + return (ts.getModifierFlags(node) & 8) && ts.isInAmbientContext(node); + } + function getEffectiveDeclarationFlags(n, flagsToCheck) { + var flags = ts.getCombinedModifierFlags(n); + if (n.parent.kind !== 223 && + n.parent.kind !== 222 && + n.parent.kind !== 193 && + ts.isInAmbientContext(n)) { + if (!(flags & 2)) { + flags |= 1; } + flags |= 2; } - return false; + return flags & flagsToCheck; } - function checkGrammarModifiers(node) { - var quickResult = reportObviousModifierErrors(node); - if (quickResult !== undefined) { - return quickResult; + function checkFunctionOrConstructorSymbol(symbol) { + if (!produceDiagnostics) { + return; } - var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync, lastReadonly; - var flags = 0; - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - if (modifier.kind !== 129) { - if (node.kind === 145 || node.kind === 147) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind)); - } - if (node.kind === 154) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind)); - } - } - switch (modifier.kind) { - case 75: - if (node.kind !== 225 && node.parent.kind === 222) { - return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(75)); - } - break; - case 113: - case 112: - case 111: - var text = visibilityToString(ts.modifierToFlag(modifier.kind)); - if (modifier.kind === 112) { - lastProtected = modifier; - } - else if (modifier.kind === 111) { - lastPrivate = modifier; - } - if (flags & 28) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); - } - else if (flags & 32) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); - } - else if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "readonly"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); - } - else if (node.parent.kind === 227 || node.parent.kind === 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, text); - } - else if (flags & 128) { - if (modifier.kind === 111) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); - } - else { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); - } - } - flags |= ts.modifierToFlag(modifier.kind); - break; - case 114: - if (flags & 32) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); - } - else if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "readonly"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); - } - else if (node.parent.kind === 227 || node.parent.kind === 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, "static"); - } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - flags |= 32; - lastStatic = modifier; - break; - case 129: - if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "readonly"); - } - else if (node.kind !== 146 && node.kind !== 145 && node.kind !== 154 && node.kind !== 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics.readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature); - } - flags |= 64; - lastReadonly = modifier; - break; - case 83: - if (flags & 1) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); - } - else if (flags & 2) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); - } - else if (node.parent.kind === 222) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); - } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); - } - flags |= 1; - break; - case 123: - if (flags & 2) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + function getCanonicalOverload(overloads, implementation) { + var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; + return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + } + function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { + var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; + if (someButNotAllOverloadFlags !== 0) { + var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); + ts.forEach(overloads, function (o) { + var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; + if (deviation & 1) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_non_exported); } - else if (node.parent.kind === 222) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + else if (deviation & 2) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + else if (deviation & (8 | 16)) { + error(o.name || o, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); } - else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 227) { - return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + else if (deviation & 128) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_non_abstract); } - flags |= 2; - lastDeclare = modifier; - break; - case 116: - if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + }); + } + } + function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { + if (someHaveQuestionToken !== allHaveQuestionToken) { + var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); + ts.forEach(overloads, function (o) { + var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; + if (deviation) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); } - if (node.kind !== 222) { - if (node.kind !== 148 && - node.kind !== 146 && - node.kind !== 150 && - node.kind !== 151) { - return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration); - } - if (!(node.parent.kind === 222 && ts.getModifierFlags(node.parent) & 128)) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); - } - if (flags & 32) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - if (flags & 8) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + }); + } + } + var flagsToCheck = 1 | 2 | 8 | 16 | 128; + var someNodeFlags = 0; + var allNodeFlags = flagsToCheck; + var someHaveQuestionToken = false; + var allHaveQuestionToken = true; + var hasOverloads = false; + var bodyDeclaration; + var lastSeenNonAmbientDeclaration; + var previousDeclaration; + var declarations = symbol.declarations; + var isConstructor = (symbol.flags & 16384) !== 0; + function reportImplementationExpectedError(node) { + if (node.name && ts.nodeIsMissing(node.name)) { + return; + } + var seen = false; + var subsequentNode = ts.forEachChild(node.parent, function (c) { + if (seen) { + return c; + } + else { + seen = c === node; + } + }); + if (subsequentNode && subsequentNode.pos === node.end) { + if (subsequentNode.kind === node.kind) { + var errorNode_1 = subsequentNode.name || subsequentNode; + if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { + var reportError = (node.kind === 148 || node.kind === 147) && + (ts.getModifierFlags(node) & 32) !== (ts.getModifierFlags(subsequentNode) & 32); + if (reportError) { + var diagnostic = ts.getModifierFlags(node) & 32 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; + error(errorNode_1, diagnostic); } + return; } - flags |= 128; - break; - case 119: - if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); - } - else if (flags & 2 || ts.isInAmbientContext(node.parent)) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.kind === 143) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + else if (ts.nodeIsPresent(subsequentNode.body)) { + error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); + return; } - flags |= 256; - lastAsync = modifier; - break; + } } - } - if (node.kind === 149) { - if (flags & 32) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + var errorNode = node.name || node; + if (isConstructor) { + error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); } - if (flags & 128) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + else { + if (ts.getModifierFlags(node) & 128) { + error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + } + else { + error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + } } - else if (flags & 256) { - return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + var duplicateFunctionDeclaration = false; + var multipleConstructorImplementation = false; + for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { + var current = declarations_4[_i]; + var node = current; + var inAmbientContext = ts.isInAmbientContext(node); + var inAmbientContextOrInterface = node.parent.kind === 223 || node.parent.kind === 160 || inAmbientContext; + if (inAmbientContextOrInterface) { + previousDeclaration = undefined; } - else if (flags & 64) { - return grammarErrorOnNode(lastReadonly, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "readonly"); + if (node.kind === 221 || node.kind === 148 || node.kind === 147 || node.kind === 149) { + var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); + someNodeFlags |= currentNodeFlags; + allNodeFlags &= currentNodeFlags; + someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); + allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); + if (ts.nodeIsPresent(node.body) && bodyDeclaration) { + if (isConstructor) { + multipleConstructorImplementation = true; + } + else { + duplicateFunctionDeclaration = true; + } + } + else if (previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { + reportImplementationExpectedError(previousDeclaration); + } + if (ts.nodeIsPresent(node.body)) { + if (!bodyDeclaration) { + bodyDeclaration = node; + } + } + else { + hasOverloads = true; + } + previousDeclaration = node; + if (!inAmbientContextOrInterface) { + lastSeenNonAmbientDeclaration = node; + } } - return; } - else if ((node.kind === 231 || node.kind === 230) && flags & 2) { - return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); + if (multipleConstructorImplementation) { + ts.forEach(declarations, function (declaration) { + error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); + }); } - else if (node.kind === 143 && (flags & 92) && ts.isBindingPattern(node.name)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_declared_using_a_binding_pattern); + if (duplicateFunctionDeclaration) { + ts.forEach(declarations, function (declaration) { + error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); + }); } - else if (node.kind === 143 && (flags & 92) && node.dotDotDotToken) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_cannot_be_declared_using_a_rest_parameter); + if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && + !(ts.getModifierFlags(lastSeenNonAmbientDeclaration) & 128) && !lastSeenNonAmbientDeclaration.questionToken) { + reportImplementationExpectedError(lastSeenNonAmbientDeclaration); } - if (flags & 256) { - return checkGrammarAsyncModifier(node, lastAsync); + if (hasOverloads) { + checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); + checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); + if (bodyDeclaration) { + var signatures = getSignaturesOfSymbol(symbol); + var bodySignature = getSignatureFromDeclaration(bodyDeclaration); + for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { + var signature = signatures_3[_a]; + if (!isImplementationCompatibleWithOverload(bodySignature, signature)) { + error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); + break; + } + } + } } } - function reportObviousModifierErrors(node) { - return !node.modifiers - ? false - : shouldReportBadModifier(node) - ? grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here) - : undefined; - } - function shouldReportBadModifier(node) { - switch (node.kind) { - case 150: - case 151: - case 149: - case 146: - case 145: - case 148: - case 147: - case 154: - case 226: - case 231: - case 230: - case 237: - case 236: - case 180: - case 181: - case 143: - return false; - default: - if (node.parent.kind === 227 || node.parent.kind === 256) { - return false; + function checkExportsOnMergedDeclarations(node) { + if (!produceDiagnostics) { + return; + } + var symbol = node.localSymbol; + if (!symbol) { + symbol = getSymbolOfNode(node); + if (!(symbol.flags & 7340032)) { + return; + } + } + if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { + return; + } + var exportedDeclarationSpaces = 0; + var nonExportedDeclarationSpaces = 0; + var defaultExportedDeclarationSpaces = 0; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var d = _a[_i]; + var declarationSpaces = getDeclarationSpaces(d); + var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 1 | 512); + if (effectiveDeclarationFlags & 1) { + if (effectiveDeclarationFlags & 512) { + defaultExportedDeclarationSpaces |= declarationSpaces; } - switch (node.kind) { - case 221: - return nodeHasAnyModifiersExcept(node, 119); - case 222: - return nodeHasAnyModifiersExcept(node, 116); - case 223: - case 201: - case 224: - return true; - case 225: - return nodeHasAnyModifiersExcept(node, 75); - default: - ts.Debug.fail(); - return false; + else { + exportedDeclarationSpaces |= declarationSpaces; } + } + else { + nonExportedDeclarationSpaces |= declarationSpaces; + } } - } - function nodeHasAnyModifiersExcept(node, allowedModifier) { - return node.modifiers.length > 1 || node.modifiers[0].kind !== allowedModifier; - } - function checkGrammarAsyncModifier(node, asyncModifier) { - switch (node.kind) { - case 148: - case 221: - case 180: - case 181: - if (!node.asteriskToken) { - return false; + var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; + var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; + var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; + if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { + for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declarationSpaces = getDeclarationSpaces(d); + if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { + error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); } - break; + else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { + error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); + } + } + } + function getDeclarationSpaces(d) { + switch (d.kind) { + case 223: + return 2097152; + case 226: + return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 + ? 4194304 | 1048576 + : 4194304; + case 222: + case 225: + return 2097152 | 1048576; + case 230: + var result_2 = 0; + var target = resolveAlias(getSymbolOfNode(d)); + ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); + return result_2; + default: + return 1048576; + } } - return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); } - function checkGrammarForDisallowedTrailingComma(list) { - if (list && list.hasTrailingComma) { - var start = list.end - ",".length; - var end = list.end; - var sourceFile = ts.getSourceFileOfNode(list[0]); - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); + function checkNonThenableType(type, location, message) { + type = getWidenedType(type); + if (!isTypeAny(type) && !isTypeNever(type) && isTypeAssignableTo(type, getGlobalThenableType())) { + if (location) { + if (!message) { + message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + } + error(location, message); + } + return unknownType; } + return type; } - function checkGrammarTypeParameterList(typeParameters, file) { - if (checkGrammarForDisallowedTrailingComma(typeParameters)) { - return true; + function getPromisedType(promise) { + if (isTypeAny(promise)) { + return undefined; } - if (typeParameters && typeParameters.length === 0) { - var start = typeParameters.pos - "<".length; - var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; - return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); + if (getObjectFlags(promise) & 4) { + if (promise.target === tryGetGlobalPromiseType() + || promise.target === getGlobalPromiseLikeType()) { + return promise.typeArguments[0]; + } + } + var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); + if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { + return undefined; + } + var thenFunction = getTypeOfPropertyOfType(promise, "then"); + if (!thenFunction || isTypeAny(thenFunction)) { + return undefined; + } + var thenSignatures = getSignaturesOfType(thenFunction, 0); + if (thenSignatures.length === 0) { + return undefined; + } + var onfulfilledParameterType = getTypeWithFacts(getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)), 131072); + if (isTypeAny(onfulfilledParameterType)) { + return undefined; + } + var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); + if (onfulfilledParameterSignatures.length === 0) { + return undefined; } + return getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature), true); } - function checkGrammarParameterList(parameters) { - var seenOptionalParameter = false; - var parameterCount = parameters.length; - for (var i = 0; i < parameterCount; i++) { - var parameter = parameters[i]; - if (parameter.dotDotDotToken) { - if (i !== (parameterCount - 1)) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); - } - if (ts.isBindingPattern(parameter.name)) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + function getTypeOfFirstParameterOfSignature(signature) { + return signature.parameters.length > 0 ? getTypeAtPosition(signature, 0) : neverType; + } + function getAwaitedType(type) { + return checkAwaitedType(type, undefined, undefined); + } + function checkAwaitedType(type, location, message) { + return checkAwaitedTypeWorker(type); + function checkAwaitedTypeWorker(type) { + if (type.flags & 65536) { + var types = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var constituentType = _a[_i]; + types.push(checkAwaitedTypeWorker(constituentType)); } + return getUnionType(types, true); } - else if (parameter.questionToken) { - seenOptionalParameter = true; - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + else { + var promisedType = getPromisedType(type); + if (promisedType === undefined) { + return checkNonThenableType(type, location, message); + } + else { + if (type.id === promisedType.id || ts.indexOf(awaitedTypeStack, promisedType.id) >= 0) { + if (location) { + error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); + } + return unknownType; + } + awaitedTypeStack.push(type.id); + var awaitedType = checkAwaitedTypeWorker(promisedType); + awaitedTypeStack.pop(); + return awaitedType; } - } - else if (seenOptionalParameter && !parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); } } } - function checkGrammarFunctionLikeDeclaration(node) { - var file = ts.getSourceFileOfNode(node); - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node.typeParameters, file) || - checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); + function checkCorrectPromiseType(returnType, location, diagnostic, typeName) { + if (returnType === unknownType) { + return unknownType; + } + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType === emptyGenericType + || globalPromiseType === getTargetType(returnType)) { + return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + error(location, diagnostic, typeName); + return unknownType; } - function checkGrammarArrowFunction(node, file) { - if (node.kind === 181) { - var arrowFunction = node; - var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; - if (startLine !== endLine) { - return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + function checkAsyncFunctionReturnType(node) { + if (languageVersion >= 2) { + var returnType = getTypeFromTypeNode(node.type); + return checkCorrectPromiseType(returnType, node.type, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); + } + var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); + if (globalPromiseConstructorLikeType === emptyObjectType) { + return unknownType; + } + var promiseType = getTypeFromTypeNode(node.type); + if (promiseType === unknownType && compilerOptions.isolatedModules) { + return unknownType; + } + var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; + if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { + var typeName = promiseConstructor + ? symbolToString(promiseConstructor) + : typeToString(promiseType); + return checkCorrectPromiseType(promiseType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); + } + checkReturnTypeAnnotationAsExpression(node); + var promiseConstructorType = getTypeOfSymbol(promiseConstructor); + if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node.type, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { + return unknownType; + } + var promiseName = ts.getEntityNameFromTypeNode(node.type); + var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); + var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); + if (rootSymbol) { + error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); + return unknownType; + } + return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + function checkDecorator(node) { + var signature = getResolvedSignature(node); + var returnType = getReturnTypeOfSignature(signature); + if (returnType.flags & 1) { + return; + } + var expectedReturnType; + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + var errorInfo; + switch (node.parent.kind) { + case 222: + var classSymbol = getSymbolOfNode(node.parent); + var classConstructorType = getTypeOfSymbol(classSymbol); + expectedReturnType = getUnionType([classConstructorType, voidType]); + break; + case 143: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); + break; + case 146: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); + break; + case 148: + case 150: + case 151: + var methodType = getTypeOfNode(node.parent); + var descriptorType = createTypedPropertyDescriptorType(methodType); + expectedReturnType = getUnionType([descriptorType, voidType]); + break; + } + checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + } + function checkTypeNodeAsExpression(node) { + if (node && node.kind === 156) { + var root = getFirstIdentifier(node.typeName); + var meaning = root.parent.kind === 156 ? 793064 : 1920; + var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); + if (rootSymbol && rootSymbol.flags & 8388608) { + var aliasTarget = resolveAlias(rootSymbol); + if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { + markAliasSymbolAsReferenced(rootSymbol); + } } } - return false; } - function checkGrammarIndexSignatureParameters(node) { - var parameter = node.parameters[0]; - if (node.parameters.length !== 1) { - if (parameter) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - else { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } + function checkTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkReturnTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkParameterTypeAnnotationsAsExpressions(node) { + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + checkTypeAnnotationAsExpression(parameter); } - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); + } + function checkDecorators(node) { + if (!node.decorators) { + return; } - if (ts.getModifierFlags(parameter) !== 0) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); + if (!ts.nodeCanBeDecorated(node)) { + return; } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); + if (!compilerOptions.experimentalDecorators) { + error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); + if (compilerOptions.emitDecoratorMetadata) { + switch (node.kind) { + case 222: + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + checkParameterTypeAnnotationsAsExpressions(constructor); + } + break; + case 148: + case 150: + case 151: + checkParameterTypeAnnotationsAsExpressions(node); + checkReturnTypeAnnotationAsExpression(node); + break; + case 146: + case 143: + checkTypeAnnotationAsExpression(node); + break; + } } - if (!parameter.type) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); + ts.forEach(node.decorators, checkDecorator); + } + function checkFunctionDeclaration(node) { + if (produceDiagnostics) { + checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); } - if (parameter.type.kind !== 133 && parameter.type.kind !== 131) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + function checkFunctionOrMethodDeclaration(node) { + checkDecorators(node); + checkSignatureDeclaration(node); + var isAsync = ts.isAsyncFunctionLike(node); + if (node.name && node.name.kind === 141) { + checkComputedPropertyName(node.name); } - if (!node.type) { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); + if (!ts.hasDynamicName(node)) { + var symbol = getSymbolOfNode(node); + var localSymbol = node.localSymbol || symbol; + var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? + declaration : undefined; }); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(localSymbol); + } + if (symbol.parent) { + if (ts.getDeclarationOfKind(symbol, node.kind) === node) { + checkFunctionOrConstructorSymbol(symbol); + } + } } - } - function checkGrammarIndexSignature(node) { - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node); - } - function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { - if (typeArguments && typeArguments.length === 0) { - var sourceFile = ts.getSourceFileOfNode(node); - var start = typeArguments.pos - "<".length; - var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + checkSourceElement(node.body); + if (!node.asteriskToken) { + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (produceDiagnostics && !node.type) { + if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { + reportImplicitAnyError(node, anyType); + } + if (node.asteriskToken && ts.nodeIsPresent(node.body)) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } } + registerForUnusedIdentifiersCheck(node); } - function checkGrammarTypeArguments(node, typeArguments) { - return checkGrammarForDisallowedTrailingComma(typeArguments) || - checkGrammarForAtLeastOneTypeArgument(node, typeArguments); + function registerForUnusedIdentifiersCheck(node) { + if (deferredUnusedIdentifierNodes) { + deferredUnusedIdentifierNodes.push(node); + } } - function checkGrammarForOmittedArgument(node, args) { - if (args) { - var sourceFile = ts.getSourceFileOfNode(node); - for (var _i = 0, args_4 = args; _i < args_4.length; _i++) { - var arg = args_4[_i]; - if (arg.kind === 194) { - return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + function checkUnusedIdentifiers() { + if (deferredUnusedIdentifierNodes) { + for (var _i = 0, deferredUnusedIdentifierNodes_1 = deferredUnusedIdentifierNodes; _i < deferredUnusedIdentifierNodes_1.length; _i++) { + var node = deferredUnusedIdentifierNodes_1[_i]; + switch (node.kind) { + case 256: + case 226: + checkUnusedModuleMembers(node); + break; + case 222: + case 193: + checkUnusedClassMembers(node); + checkUnusedTypeParameters(node); + break; + case 223: + checkUnusedTypeParameters(node); + break; + case 200: + case 228: + case 207: + case 208: + case 209: + checkUnusedLocalsAndParameters(node); + break; + case 149: + case 180: + case 221: + case 181: + case 148: + case 150: + case 151: + if (node.body) { + checkUnusedLocalsAndParameters(node); + } + checkUnusedTypeParameters(node); + break; + case 147: + case 152: + case 153: + case 154: + case 157: + case 158: + checkUnusedTypeParameters(node); + break; } + ; } } } - function checkGrammarArguments(node, args) { - return checkGrammarForOmittedArgument(node, args); - } - function checkGrammarHeritageClause(node) { - var types = node.types; - if (checkGrammarForDisallowedTrailingComma(types)) { - return true; + function checkUnusedLocalsAndParameters(node) { + if (node.parent.kind !== 223 && noUnusedIdentifiers && !ts.isInAmbientContext(node)) { + var _loop_2 = function (key) { + var local = node.locals[key]; + if (!local.isReferenced) { + if (local.valueDeclaration && ts.getRootDeclaration(local.valueDeclaration).kind === 143) { + var parameter = ts.getRootDeclaration(local.valueDeclaration); + if (compilerOptions.noUnusedParameters && + !ts.isParameterPropertyDeclaration(parameter) && + !ts.parameterIsThisKeyword(parameter) && + !parameterNameStartsWithUnderscore(local.valueDeclaration.name)) { + error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); + } + } + else if (compilerOptions.noUnusedLocals) { + ts.forEach(local.declarations, function (d) { return errorUnusedLocal(d.name || d, local.name); }); + } + } + }; + for (var key in node.locals) { + _loop_2(key); + } } - if (types && types.length === 0) { - var listType = ts.tokenToString(node.token); - var sourceFile = ts.getSourceFileOfNode(node); - return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + function errorUnusedLocal(node, name) { + if (isIdentifierThatStartsWithUnderScore(node)) { + var declaration = ts.getRootDeclaration(node.parent); + if (declaration.kind === 219 && + (declaration.parent.parent.kind === 208 || + declaration.parent.parent.kind === 209)) { + return; + } } + error(node, ts.Diagnostics._0_is_declared_but_never_used, name); } - function checkGrammarClassDeclarationHeritageClauses(node) { - var seenExtendsClause = false; - var seenImplementsClause = false; - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 84) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + function parameterNameStartsWithUnderscore(parameterName) { + return parameterName && isIdentifierThatStartsWithUnderScore(parameterName); + } + function isIdentifierThatStartsWithUnderScore(node) { + return node.kind === 70 && node.text.charCodeAt(0) === 95; + } + function checkUnusedClassMembers(node) { + if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { + if (node.members) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 148 || member.kind === 146) { + if (!member.symbol.isReferenced && ts.getModifierFlags(member) & 8) { + error(member.name, ts.Diagnostics._0_is_declared_but_never_used, member.symbol.name); + } } - if (heritageClause.types.length > 1) { - return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + else if (member.kind === 149) { + for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) { + var parameter = _c[_b]; + if (!parameter.symbol.isReferenced && ts.getModifierFlags(parameter) & 8) { + error(parameter.name, ts.Diagnostics.Property_0_is_declared_but_never_used, parameter.symbol.name); + } + } } - seenExtendsClause = true; } - else { - ts.Debug.assert(heritageClause.token === 107); - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + } + } + function checkUnusedTypeParameters(node) { + if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { + if (node.typeParameters) { + var symbol = getSymbolOfNode(node); + var lastDeclaration = symbol && symbol.declarations && ts.lastOrUndefined(symbol.declarations); + if (lastDeclaration !== node) { + return; + } + for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) { + var typeParameter = _a[_i]; + if (!getMergedSymbol(typeParameter.symbol).isReferenced) { + error(typeParameter.name, ts.Diagnostics._0_is_declared_but_never_used, typeParameter.symbol.name); } - seenImplementsClause = true; } - checkGrammarHeritageClause(heritageClause); } } } - function checkGrammarInterfaceDeclaration(node) { - var seenExtendsClause = false; - if (node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 84) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + function checkUnusedModuleMembers(node) { + if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { + for (var key in node.locals) { + var local = node.locals[key]; + if (!local.isReferenced && !local.exportSymbol) { + for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (!ts.isAmbientModule(declaration)) { + error(declaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); + } } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 107); - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); } - checkGrammarHeritageClause(heritageClause); } } - return false; } - function checkGrammarComputedPropertyName(node) { - if (node.kind !== 141) { - return false; + function checkBlock(node) { + if (node.kind === 200) { + checkGrammarStatementInAmbientContext(node); } - var computedPropertyName = node; - if (computedPropertyName.expression.kind === 188 && computedPropertyName.expression.operatorToken.kind === 25) { - return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + ts.forEach(node.statements, checkSourceElement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); } } - function checkGrammarForGenerator(node) { - if (node.asteriskToken) { - ts.Debug.assert(node.kind === 221 || - node.kind === 180 || - node.kind === 148); - if (ts.isInAmbientContext(node)) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); - } - if (!node.body) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); - } - if (languageVersion < 2) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher); + function checkCollisionWithArgumentsInGeneratedCode(node) { + if (!ts.hasDeclaredRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { + return; + } + ts.forEach(node.parameters, function (p) { + if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { + error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); } + }); + } + function needCollisionCheckForIdentifier(node, identifier, name) { + if (!(identifier && identifier.text === name)) { + return false; + } + if (node.kind === 146 || + node.kind === 145 || + node.kind === 148 || + node.kind === 147 || + node.kind === 150 || + node.kind === 151) { + return false; + } + if (ts.isInAmbientContext(node)) { + return false; + } + var root = ts.getRootDeclaration(node); + if (root.kind === 143 && ts.nodeIsMissing(root.parent.body)) { + return false; } + return true; } - function checkGrammarForInvalidQuestionMark(questionToken, message) { - if (questionToken) { - return grammarErrorOnNode(questionToken, message); + function checkCollisionWithCapturedThisVariable(node, name) { + if (needCollisionCheckForIdentifier(node, name, "_this")) { + potentialThisCollisions.push(node); } } - function checkGrammarObjectLiteralExpression(node, inDestructuring) { - var seen = ts.createMap(); - var Property = 1; - var GetAccessor = 2; - var SetAccessor = 4; - var GetOrSetAccessor = GetAccessor | SetAccessor; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - var name_24 = prop.name; - if (name_24.kind === 141) { - checkGrammarComputedPropertyName(name_24); - } - if (prop.kind === 254 && !inDestructuring && prop.objectAssignmentInitializer) { - return grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment); - } - if (prop.modifiers) { - for (var _b = 0, _c = prop.modifiers; _b < _c.length; _b++) { - var mod = _c[_b]; - if (mod.kind !== 119 || prop.kind !== 148) { - grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); - } - } - } - var currentKind = void 0; - if (prop.kind === 253 || prop.kind === 254) { - checkGrammarForInvalidQuestionMark(prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); - if (name_24.kind === 8) { - checkGrammarNumericLiteral(name_24); - } - currentKind = Property; - } - else if (prop.kind === 148) { - currentKind = Property; - } - else if (prop.kind === 150) { - currentKind = GetAccessor; - } - else if (prop.kind === 151) { - currentKind = SetAccessor; - } - else { - ts.Debug.fail("Unexpected syntax kind:" + prop.kind); - } - var effectiveName = ts.getPropertyNameForPropertyNameNode(name_24); - if (effectiveName === undefined) { - continue; - } - if (!seen[effectiveName]) { - seen[effectiveName] = currentKind; - } - else { - var existingKind = seen[effectiveName]; - if (currentKind === Property && existingKind === Property) { - grammarErrorOnNode(name_24, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(name_24)); - } - else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { - if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { - seen[effectiveName] = currentKind | existingKind; - } - else { - return grammarErrorOnNode(name_24, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name); - } + function checkIfThisIsCapturedInEnclosingScope(node) { + var current = node; + while (current) { + if (getNodeCheckFlags(current) & 4) { + var isDeclaration_1 = node.kind !== 70; + if (isDeclaration_1) { + error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); } else { - return grammarErrorOnNode(name_24, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name); + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); } + return; } + current = current.parent; } } - function checkGrammarJsxElement(node) { - var seen = ts.createMap(); - for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { - var attr = _a[_i]; - if (attr.kind === 247) { - continue; - } - var jsxAttr = attr; - var name_25 = jsxAttr.name; - if (!seen[name_25.text]) { - seen[name_25.text] = true; + function checkCollisionWithCapturedSuperVariable(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "_super")) { + return; + } + var enclosingClass = ts.getContainingClass(node); + if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { + return; + } + if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { + var isDeclaration_2 = node.kind !== 70; + if (isDeclaration_2) { + error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); } else { - return grammarErrorOnNode(name_25, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); - } - var initializer = jsxAttr.initializer; - if (initializer && initializer.kind === 248 && !initializer.expression) { - return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); + error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); } } } - function checkGrammarForInOrForOfStatement(forInOrOfStatement) { - if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { - return true; + function checkCollisionWithRequireExportsInGeneratedCode(node, name) { + if (modulekind >= ts.ModuleKind.ES2015) { + return; } - if (forInOrOfStatement.initializer.kind === 220) { - var variableList = forInOrOfStatement.initializer; - if (!checkGrammarVariableDeclarationList(variableList)) { - var declarations = variableList.declarations; - if (!declarations.length) { - return false; - } - if (declarations.length > 1) { - var diagnostic = forInOrOfStatement.kind === 208 - ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement - : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; - return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); - } - var firstDeclaration = declarations[0]; - if (firstDeclaration.initializer) { - var diagnostic = forInOrOfStatement.kind === 208 - ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer - : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; - return grammarErrorOnNode(firstDeclaration.name, diagnostic); - } - if (firstDeclaration.type) { - var diagnostic = forInOrOfStatement.kind === 208 - ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation - : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; - return grammarErrorOnNode(firstDeclaration, diagnostic); + if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { + return; + } + if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent)) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "Promise")) { + return; + } + if (node.kind === 226 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 8192) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkVarDeclaredNamesNotShadowed(node) { + if ((ts.getCombinedNodeFlags(node) & 3) !== 0 || ts.isParameterDeclaration(node)) { + return; + } + if (node.kind === 219 && !node.initializer) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol.flags & 1) { + var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); + if (localDeclarationSymbol && + localDeclarationSymbol !== symbol && + localDeclarationSymbol.flags & 2) { + if (getDeclarationNodeFlagsFromSymbol(localDeclarationSymbol) & 3) { + var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 220); + var container = varDeclList.parent.kind === 201 && varDeclList.parent.parent + ? varDeclList.parent.parent + : undefined; + var namesShareScope = container && + (container.kind === 200 && ts.isFunctionLike(container.parent) || + container.kind === 227 || + container.kind === 226 || + container.kind === 256); + if (!namesShareScope) { + var name_23 = symbolToString(localDeclarationSymbol); + error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_23, name_23); + } } } } - return false; } - function checkGrammarAccessor(accessor) { - var kind = accessor.kind; - if (languageVersion < 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); - } - else if (ts.isInAmbientContext(accessor)) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); - } - else if (accessor.body === undefined && !(ts.getModifierFlags(accessor) & 128)) { - return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - else if (accessor.typeParameters) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); - } - else if (!doesAccessorHaveCorrectParameterCount(accessor)) { - return grammarErrorOnNode(accessor.name, kind === 150 ? - ts.Diagnostics.A_get_accessor_cannot_have_parameters : - ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); + function checkParameterInitializer(node) { + if (ts.getRootDeclaration(node).kind !== 143) { + return; } - else if (kind === 151) { - if (accessor.type) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + var func = ts.getContainingFunction(node); + visit(node.initializer); + function visit(n) { + if (ts.isTypeNode(n) || ts.isDeclarationName(n)) { + return; } - else { - var parameter = accessor.parameters[0]; - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); + if (n.kind === 173) { + return visit(n.expression); + } + else if (n.kind === 70) { + var symbol = resolveName(n, n.text, 107455 | 8388608, undefined, undefined); + if (!symbol || symbol === unknownSymbol || !symbol.valueDeclaration) { + return; } - else if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + if (symbol.valueDeclaration === node) { + error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); + return; } - else if (parameter.initializer) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); + var enclosingContainer = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (enclosingContainer === func) { + if (symbol.valueDeclaration.kind === 143) { + if (symbol.valueDeclaration.pos < node.pos) { + return; + } + var current = n; + while (current !== node.initializer) { + if (ts.isFunctionLike(current.parent)) { + return; + } + if (current.parent.kind === 146 && + !(ts.hasModifier(current.parent, 32)) && + ts.isClassLike(current.parent.parent)) { + return; + } + current = current.parent; + } + } + error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); } } + else { + return ts.forEachChild(n, visit); + } } } - function doesAccessorHaveCorrectParameterCount(accessor) { - return getAccessorThisParameter(accessor) || accessor.parameters.length === (accessor.kind === 150 ? 0 : 1); - } - function getAccessorThisParameter(accessor) { - if (accessor.parameters.length === (accessor.kind === 150 ? 1 : 2)) { - return ts.getThisParameter(accessor); - } - } - function checkGrammarForNonSymbolComputedProperty(node, message) { - if (ts.isDynamicName(node)) { - return grammarErrorOnNode(node, message); - } + function convertAutoToAny(type) { + return type === autoType ? anyType : type === autoArrayType ? anyArrayType : type; } - function checkGrammarMethod(node) { - if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || - checkGrammarFunctionLikeDeclaration(node) || - checkGrammarForGenerator(node)) { - return true; - } - if (node.parent.kind === 172) { - if (checkGrammarForInvalidQuestionMark(node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional)) { - return true; - } - else if (node.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + function checkVariableLikeDeclaration(node) { + checkDecorators(node); + checkSourceElement(node.type); + if (node.name.kind === 141) { + checkComputedPropertyName(node.name); + if (node.initializer) { + checkExpressionCached(node.initializer); } } - if (ts.isClassLike(node.parent)) { - if (ts.isInAmbientContext(node)) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + if (node.kind === 170) { + if (node.propertyName && node.propertyName.kind === 141) { + checkComputedPropertyName(node.propertyName); } - else if (!node.body) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + var parent_13 = node.parent.parent; + var parentType = getTypeForBindingElementParent(parent_13); + var name_24 = node.propertyName || node.name; + var property = getPropertyOfType(parentType, getTextOfPropertyName(name_24)); + if (parent_13.initializer && property && getParentOfSymbol(property)) { + checkClassPropertyAccess(parent_13, parent_13.initializer, parentType, property); } } - else if (node.parent.kind === 223) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); + if (ts.isBindingPattern(node.name)) { + ts.forEach(node.name.elements, checkSourceElement); } - else if (node.parent.kind === 160) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); + if (node.initializer && ts.getRootDeclaration(node).kind === 143 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { + error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); + return; } - } - function checkGrammarBreakOrContinueStatement(node) { - var current = node; - while (current) { - if (ts.isFunctionLike(current)) { - return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); - } - switch (current.kind) { - case 215: - if (node.label && current.label.text === node.label.text) { - var isMisplacedContinueLabel = node.kind === 210 - && !ts.isIterationStatement(current.statement, true); - if (isMisplacedContinueLabel) { - return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); - } - return false; - } - break; - case 214: - if (node.kind === 211 && !node.label) { - return false; - } - break; - default: - if (ts.isIterationStatement(current, false) && !node.label) { - return false; - } - break; + if (ts.isBindingPattern(node.name)) { + if (node.initializer && node.parent.parent.kind !== 208) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); + checkParameterInitializer(node); } - current = current.parent; + return; } - if (node.label) { - var message = node.kind === 211 - ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement - : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); + var symbol = getSymbolOfNode(node); + var type = convertAutoToAny(getTypeOfVariableOrParameterOrProperty(symbol)); + if (node === symbol.valueDeclaration) { + if (node.initializer && node.parent.parent.kind !== 208) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); + checkParameterInitializer(node); + } } else { - var message = node.kind === 211 - ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement - : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - } - function checkGrammarBindingElement(node) { - if (node.dotDotDotToken) { - var elements = node.parent.elements; - if (node !== ts.lastOrUndefined(elements)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - if (node.name.kind === 169 || node.name.kind === 168) { - return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + var declarationType = convertAutoToAny(getWidenedTypeForVariableLikeDeclaration(node)); + if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { + error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); } if (node.initializer) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - } - } - function isStringOrNumberLiteralExpression(expr) { - return expr.kind === 9 || expr.kind === 8 || - expr.kind === 186 && expr.operator === 37 && - expr.operand.kind === 8; - } - function checkGrammarVariableDeclaration(node) { - if (node.parent.parent.kind !== 208 && node.parent.parent.kind !== 209) { - if (ts.isInAmbientContext(node)) { - if (node.initializer) { - if (ts.isConst(node) && !node.type) { - if (!isStringOrNumberLiteralExpression(node.initializer)) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal); - } - } - else { - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - if (node.initializer && !(ts.isConst(node) && isStringOrNumberLiteralExpression(node.initializer))) { - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - else if (!node.initializer) { - if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); - } - if (ts.isConst(node)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); - } + checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); } - } - var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); - return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); - } - function checkGrammarNameInLetOrConstDeclarations(name) { - if (name.kind === 70) { - if (name.originalKeywordKind === 109) { - return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + if (!areDeclarationFlagsIdentical(node, symbol.valueDeclaration)) { + error(symbol.valueDeclaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); + error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name)); } } - else { - var elements = name.elements; - for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { - var element = elements_2[_i]; - if (!ts.isOmittedExpression(element)) { - checkGrammarNameInLetOrConstDeclarations(element.name); - } + if (node.kind !== 146 && node.kind !== 145) { + checkExportsOnMergedDeclarations(node); + if (node.kind === 219 || node.kind === 170) { + checkVarDeclaredNamesNotShadowed(node); } + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); } } - function checkGrammarVariableDeclarationList(declarationList) { - var declarations = declarationList.declarations; - if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + function areDeclarationFlagsIdentical(left, right) { + if ((left.kind === 143 && right.kind === 219) || + (left.kind === 219 && right.kind === 143)) { return true; } - if (!declarationList.declarations.length) { - return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + if (ts.hasQuestionToken(left) !== ts.hasQuestionToken(right)) { + return false; } + var interestingFlags = 8 | + 16 | + 256 | + 128 | + 64 | + 32; + return (ts.getModifierFlags(left) & interestingFlags) === (ts.getModifierFlags(right) & interestingFlags); } - function allowLetAndConstDeclarations(parent) { - switch (parent.kind) { - case 204: - case 205: - case 206: - case 213: - case 207: - case 208: - case 209: - return false; - case 215: - return allowLetAndConstDeclarations(parent.parent); - } - return true; + function checkVariableDeclaration(node) { + checkGrammarVariableDeclaration(node); + return checkVariableLikeDeclaration(node); } - function checkGrammarForDisallowedLetOrConstStatement(node) { - if (!allowLetAndConstDeclarations(node.parent)) { - if (ts.isLet(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + function checkBindingElement(node) { + checkGrammarBindingElement(node); + return checkVariableLikeDeclaration(node); + } + function checkVariableStatement(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); + ts.forEach(node.declarationList.declarations, checkSourceElement); + } + function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { + if (node.modifiers && node.parent.kind === 172) { + if (ts.isAsyncFunctionLike(node)) { + if (node.modifiers.length > 1) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } } - else if (ts.isConst(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); } } } - function hasParseDiagnostics(sourceFile) { - return sourceFile.parseDiagnostics.length > 0; + function checkExpressionStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); } - function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span_4 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, span_4.start, span_4.length, message, arg0, arg1, arg2)); - return true; + function checkIfStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.thenStatement); + if (node.thenStatement.kind === 202) { + error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); } + checkSourceElement(node.elseStatement); } - function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); - return true; - } + function checkDoStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkSourceElement(node.statement); + checkExpression(node.expression); } - function grammarErrorOnNode(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); - return true; - } + function checkWhileStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.statement); } - function checkGrammarConstructorTypeParameters(node) { - if (node.typeParameters) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + function checkForStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.initializer && node.initializer.kind === 220) { + checkGrammarVariableDeclarationList(node.initializer); + } } - } - function checkGrammarConstructorTypeAnnotation(node) { - if (node.type) { - return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); + if (node.initializer) { + if (node.initializer.kind === 220) { + ts.forEach(node.initializer.declarations, checkVariableDeclaration); + } + else { + checkExpression(node.initializer); + } + } + if (node.condition) + checkExpression(node.condition); + if (node.incrementor) + checkExpression(node.incrementor); + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); } } - function checkGrammarProperty(node) { - if (ts.isClassLike(node.parent)) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { - return true; - } + function checkForOfStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 220) { + checkForInOrForOfVariableDeclaration(node); } - else if (node.parent.kind === 223) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { - return true; + else { + var varExpr = node.initializer; + var iteratedType = checkRightHandSideOfForOf(node.expression); + if (varExpr.kind === 171 || varExpr.kind === 172) { + checkDestructuringAssignment(varExpr, iteratedType || unknownType); } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + else { + var leftType = checkExpression(varExpr); + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property); + if (iteratedType) { + checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); + } } } - else if (node.parent.kind === 160) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { - return true; + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); + } + } + function checkForInStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 220) { + var variable = node.initializer.declarations[0]; + if (variable && ts.isBindingPattern(variable.name)) { + error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var leftType = checkExpression(varExpr); + if (varExpr.kind === 171 || varExpr.kind === 172) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34)) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + } + else { + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property); } } - if (ts.isInAmbientContext(node) && node.initializer) { - return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + var rightType = checkNonNullExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 | 16384)) { + error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + checkSourceElement(node.statement); + if (node.locals) { + registerForUnusedIdentifiersCheck(node); } } - function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { - if (node.kind === 223 || - node.kind === 224 || - node.kind === 231 || - node.kind === 230 || - node.kind === 237 || - node.kind === 236 || - node.kind === 229 || - ts.getModifierFlags(node) & (2 | 1 | 512)) { - return false; + function checkForInOrForOfVariableDeclaration(iterationStatement) { + var variableDeclarationList = iterationStatement.initializer; + if (variableDeclarationList.declarations.length >= 1) { + var decl = variableDeclarationList.declarations[0]; + checkVariableDeclaration(decl); } - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); } - function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var decl = _a[_i]; - if (ts.isDeclaration(decl) || decl.kind === 201) { - if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { - return true; - } + function checkRightHandSideOfForOf(rhsExpression) { + var expressionType = checkNonNullExpression(rhsExpression); + return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); + } + function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { + if (isTypeAny(inputType)) { + return inputType; + } + if (languageVersion >= 2) { + return checkElementTypeOfIterable(inputType, errorNode); + } + if (allowStringInput) { + return checkElementTypeOfArrayOrString(inputType, errorNode); + } + if (isArrayLikeType(inputType)) { + var indexType = getIndexTypeOfType(inputType, 1); + if (indexType) { + return indexType; } } + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + } + return unknownType; } - function checkGrammarSourceFile(node) { - return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); + function checkElementTypeOfIterable(iterable, errorNode) { + var elementType = getElementTypeOfIterable(iterable, errorNode); + if (errorNode && elementType) { + checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + } + return elementType || anyType; } - function checkGrammarStatementInAmbientContext(node) { - if (ts.isInAmbientContext(node)) { - if (isAccessor(node.parent.kind)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = true; - } - var links = getNodeLinks(node); - if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + function getElementTypeOfIterable(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterable = type; + if (!typeAsIterable.iterableElementType) { + if ((getObjectFlags(type) & 4) && type.target === getGlobalIterableType()) { + typeAsIterable.iterableElementType = type.typeArguments[0]; } - if (node.parent.kind === 200 || node.parent.kind === 227 || node.parent.kind === 256) { - var links_1 = getNodeLinks(node.parent); - if (!links_1.hasReportedStatementInAmbientContext) { - return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + else { + var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); + if (isTypeAny(iteratorFunction)) { + return undefined; + } + var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; + if (iteratorFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + } + return undefined; } + typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature), true), errorNode); + } + } + return typeAsIterable.iterableElementType; + } + function getElementTypeOfIterator(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterator = type; + if (!typeAsIterator.iteratorElementType) { + if ((getObjectFlags(type) & 4) && type.target === getGlobalIteratorType()) { + typeAsIterator.iteratorElementType = type.typeArguments[0]; } else { + var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); + if (isTypeAny(iteratorNextFunction)) { + return undefined; + } + var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; + if (iteratorNextFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); + } + return undefined; + } + var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature), true); + if (isTypeAny(iteratorNextResult)) { + return undefined; + } + var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); + if (!iteratorNextValue) { + if (errorNode) { + error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + return undefined; + } + typeAsIterator.iteratorElementType = iteratorNextValue; } } + return typeAsIterator.iteratorElementType; } - function checkGrammarNumericLiteral(node) { - if (node.isOctalLiteral && languageVersion >= 1) { - return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); + function getElementTypeOfIterableIterator(type) { + if (isTypeAny(type)) { + return undefined; } - } - function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span_5 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span_5), 0, message, arg0, arg1, arg2)); - return true; + if ((getObjectFlags(type) & 4) && type.target === getGlobalIterableIteratorType()) { + return type.typeArguments[0]; } + return getElementTypeOfIterable(type, undefined) || + getElementTypeOfIterator(type, undefined); } - function getAmbientModules() { - var result = []; - for (var sym in globals) { - if (ambientModuleSymbolRegex.test(sym)) { - result.push(globals[sym]); + function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { + ts.Debug.assert(languageVersion < 2); + var arrayType = arrayOrStringType; + if (arrayOrStringType.flags & 65536) { + arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34); }), true); + } + else if (arrayOrStringType.flags & 34) { + arrayType = neverType; + } + var hasStringConstituent = arrayOrStringType !== arrayType; + var reportedError = false; + if (hasStringConstituent) { + if (languageVersion < 1) { + error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); + reportedError = true; + } + if (arrayType.flags & 8192) { + return stringType; } } - return result; + if (!isArrayLikeType(arrayType)) { + if (!reportedError) { + var diagnostic = hasStringConstituent + ? ts.Diagnostics.Type_0_is_not_an_array_type + : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; + error(errorNode, diagnostic, typeToString(arrayType)); + } + return hasStringConstituent ? stringType : unknownType; + } + var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; + if (hasStringConstituent) { + if (arrayElementType.flags & 34) { + return stringType; + } + return getUnionType([arrayElementType, stringType], true); + } + return arrayElementType; } - } - ts.createTypeChecker = createTypeChecker; -})(ts || (ts = {})); -var ts; -(function (ts) { - ; - var nodeEdgeTraversalMap = ts.createMap((_a = {}, - _a[140] = [ - { name: "left", test: ts.isEntityName }, - { name: "right", test: ts.isIdentifier } - ], - _a[144] = [ - { name: "expression", test: ts.isLeftHandSideExpression } - ], - _a[178] = [ - { name: "type", test: ts.isTypeNode }, - { name: "expression", test: ts.isUnaryExpression } - ], - _a[196] = [ - { name: "expression", test: ts.isExpression }, - { name: "type", test: ts.isTypeNode } - ], - _a[197] = [ - { name: "expression", test: ts.isLeftHandSideExpression } - ], - _a[225] = [ - { name: "decorators", test: ts.isDecorator }, - { name: "modifiers", test: ts.isModifier }, - { name: "name", test: ts.isIdentifier }, - { name: "members", test: ts.isEnumMember } - ], - _a[226] = [ - { name: "decorators", test: ts.isDecorator }, - { name: "modifiers", test: ts.isModifier }, - { name: "name", test: ts.isModuleName }, - { name: "body", test: ts.isModuleBody } - ], - _a[227] = [ - { name: "statements", test: ts.isStatement } - ], - _a[230] = [ - { name: "decorators", test: ts.isDecorator }, - { name: "modifiers", test: ts.isModifier }, - { name: "name", test: ts.isIdentifier }, - { name: "moduleReference", test: ts.isModuleReference } - ], - _a[241] = [ - { name: "expression", test: ts.isExpression, optional: true } - ], - _a[255] = [ - { name: "name", test: ts.isPropertyName }, - { name: "initializer", test: ts.isExpression, optional: true, parenthesize: ts.parenthesizeExpressionForList } - ], - _a)); - function reduceNode(node, f, initial) { - return node ? f(initial, node) : initial; - } - function reduceEachChild(node, f, initial) { - if (node === undefined) { - return initial; + function checkBreakOrContinueStatement(node) { + checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); } - var kind = node.kind; - if ((kind > 0 && kind <= 139)) { - return initial; + function isGetAccessorWithAnnotatedSetAccessor(node) { + return !!(node.kind === 150 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 151))); } - if ((kind >= 155 && kind <= 167)) { - return initial; + function isUnwrappedReturnTypeVoidOrAny(func, returnType) { + var unwrappedReturnType = ts.isAsyncFunctionLike(func) ? getPromisedType(returnType) : returnType; + return unwrappedReturnType && maybeTypeOfKind(unwrappedReturnType, 1024 | 1); } - var result = initial; - switch (node.kind) { - case 199: - case 202: - case 194: - case 218: - case 287: - break; - case 141: - result = reduceNode(node.expression, f, result); - break; - case 143: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 144: - result = reduceNode(node.expression, f, result); - break; - case 146: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 148: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 149: - result = ts.reduceLeft(node.modifiers, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.body, f, result); - break; - case 150: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 151: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.body, f, result); - break; - case 168: - case 169: - result = ts.reduceLeft(node.elements, f, result); - break; - case 170: - result = reduceNode(node.propertyName, f, result); - result = reduceNode(node.name, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 171: - result = ts.reduceLeft(node.elements, f, result); - break; - case 172: - result = ts.reduceLeft(node.properties, f, result); - break; - case 173: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.name, f, result); - break; - case 174: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.argumentExpression, f, result); - break; - case 175: - result = reduceNode(node.expression, f, result); - result = ts.reduceLeft(node.typeArguments, f, result); - result = ts.reduceLeft(node.arguments, f, result); - break; - case 176: - result = reduceNode(node.expression, f, result); - result = ts.reduceLeft(node.typeArguments, f, result); - result = ts.reduceLeft(node.arguments, f, result); - break; - case 177: - result = reduceNode(node.tag, f, result); - result = reduceNode(node.template, f, result); - break; - case 180: - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 181: - result = ts.reduceLeft(node.modifiers, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 179: - case 182: - case 183: - case 184: - case 185: - case 191: - case 192: - case 197: - result = reduceNode(node.expression, f, result); - break; - case 186: - case 187: - result = reduceNode(node.operand, f, result); - break; - case 188: - result = reduceNode(node.left, f, result); - result = reduceNode(node.right, f, result); - break; - case 189: - result = reduceNode(node.condition, f, result); - result = reduceNode(node.whenTrue, f, result); - result = reduceNode(node.whenFalse, f, result); - break; - case 190: - result = reduceNode(node.head, f, result); - result = ts.reduceLeft(node.templateSpans, f, result); - break; - case 193: - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.heritageClauses, f, result); - result = ts.reduceLeft(node.members, f, result); - break; - case 195: - result = reduceNode(node.expression, f, result); - result = ts.reduceLeft(node.typeArguments, f, result); - break; - case 198: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.literal, f, result); - break; - case 200: - result = ts.reduceLeft(node.statements, f, result); - break; - case 201: - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.declarationList, f, result); - break; - case 203: - result = reduceNode(node.expression, f, result); - break; - case 204: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.thenStatement, f, result); - result = reduceNode(node.elseStatement, f, result); - break; - case 205: - result = reduceNode(node.statement, f, result); - result = reduceNode(node.expression, f, result); - break; - case 206: - case 213: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.statement, f, result); - break; - case 207: - result = reduceNode(node.initializer, f, result); - result = reduceNode(node.condition, f, result); - result = reduceNode(node.incrementor, f, result); - result = reduceNode(node.statement, f, result); - break; - case 208: - case 209: - result = reduceNode(node.initializer, f, result); - result = reduceNode(node.expression, f, result); - result = reduceNode(node.statement, f, result); - break; - case 212: - case 216: - result = reduceNode(node.expression, f, result); - break; - case 214: - result = reduceNode(node.expression, f, result); - result = reduceNode(node.caseBlock, f, result); - break; - case 215: - result = reduceNode(node.label, f, result); - result = reduceNode(node.statement, f, result); - break; - case 217: - result = reduceNode(node.tryBlock, f, result); - result = reduceNode(node.catchClause, f, result); - result = reduceNode(node.finallyBlock, f, result); - break; - case 219: - result = reduceNode(node.name, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 220: - result = ts.reduceLeft(node.declarations, f, result); - break; - case 221: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.parameters, f, result); - result = reduceNode(node.type, f, result); - result = reduceNode(node.body, f, result); - break; - case 222: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.name, f, result); - result = ts.reduceLeft(node.typeParameters, f, result); - result = ts.reduceLeft(node.heritageClauses, f, result); - result = ts.reduceLeft(node.members, f, result); - break; - case 228: - result = ts.reduceLeft(node.clauses, f, result); - break; - case 231: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.importClause, f, result); - result = reduceNode(node.moduleSpecifier, f, result); - break; - case 232: - result = reduceNode(node.name, f, result); - result = reduceNode(node.namedBindings, f, result); - break; - case 233: - result = reduceNode(node.name, f, result); - break; - case 234: - case 238: - result = ts.reduceLeft(node.elements, f, result); - break; - case 235: - case 239: - result = reduceNode(node.propertyName, f, result); - result = reduceNode(node.name, f, result); - break; - case 236: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.expression, f, result); - break; - case 237: - result = ts.reduceLeft(node.decorators, f, result); - result = ts.reduceLeft(node.modifiers, f, result); - result = reduceNode(node.exportClause, f, result); - result = reduceNode(node.moduleSpecifier, f, result); - break; - case 242: - result = reduceNode(node.openingElement, f, result); - result = ts.reduceLeft(node.children, f, result); - result = reduceNode(node.closingElement, f, result); - break; - case 243: - case 244: - result = reduceNode(node.tagName, f, result); - result = ts.reduceLeft(node.attributes, f, result); - break; - case 245: - result = reduceNode(node.tagName, f, result); - break; - case 246: - result = reduceNode(node.name, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 247: - result = reduceNode(node.expression, f, result); - break; - case 248: - result = reduceNode(node.expression, f, result); - break; - case 249: - result = reduceNode(node.expression, f, result); - case 250: - result = ts.reduceLeft(node.statements, f, result); - break; - case 251: - result = ts.reduceLeft(node.types, f, result); - break; - case 252: - result = reduceNode(node.variableDeclaration, f, result); - result = reduceNode(node.block, f, result); - break; - case 253: - result = reduceNode(node.name, f, result); - result = reduceNode(node.initializer, f, result); - break; - case 254: - result = reduceNode(node.name, f, result); - result = reduceNode(node.objectAssignmentInitializer, f, result); - break; - case 256: - result = ts.reduceLeft(node.statements, f, result); - break; - case 288: - result = reduceNode(node.expression, f, result); - break; - default: - var edgeTraversalPath = nodeEdgeTraversalMap[kind]; - if (edgeTraversalPath) { - for (var _i = 0, edgeTraversalPath_1 = edgeTraversalPath; _i < edgeTraversalPath_1.length; _i++) { - var edge = edgeTraversalPath_1[_i]; - var value = node[edge.name]; - if (value !== undefined) { - result = ts.isArray(value) - ? ts.reduceLeft(value, f, result) - : f(result, value); + function checkReturnStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var functionBlock = ts.getContainingFunction(node); + if (!functionBlock) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); + } + } + var func = ts.getContainingFunction(node); + if (func) { + var signature = getSignatureFromDeclaration(func); + var returnType = getReturnTypeOfSignature(signature); + if (strictNullChecks || node.expression || returnType.flags & 8192) { + var exprType = node.expression ? checkExpressionCached(node.expression) : undefinedType; + if (func.asteriskToken) { + return; + } + if (func.kind === 151) { + if (node.expression) { + error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); + } + } + else if (func.kind === 149) { + if (node.expression && !checkTypeAssignableTo(exprType, returnType, node.expression)) { + error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); + } + } + else if (func.type || isGetAccessorWithAnnotatedSetAccessor(func)) { + if (ts.isAsyncFunctionLike(func)) { + var promisedType = getPromisedType(returnType); + var awaitedType = checkAwaitedType(exprType, node.expression || node, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + if (promisedType) { + checkTypeAssignableTo(awaitedType, promisedType, node.expression || node); + } + } + else { + checkTypeAssignableTo(exprType, returnType, node.expression || node); } } } - break; + else if (func.kind !== 149 && compilerOptions.noImplicitReturns && !isUnwrappedReturnTypeVoidOrAny(func, returnType)) { + error(node, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } } - return result; - } - ts.reduceEachChild = reduceEachChild; - function visitNode(node, visitor, test, optional, lift, parenthesize, parentNode) { - if (node === undefined) { - return undefined; + function checkWithStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.flags & 262144) { + grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); + } + } + checkExpression(node.expression); + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var start = ts.getSpanOfTokenAtPosition(sourceFile, node.pos).start; + var end = node.statement.pos; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.The_with_statement_is_not_supported_All_symbols_in_a_with_block_will_have_type_any); + } } - var visited = visitor(node); - if (visited === node) { - return node; + function checkSwitchStatement(node) { + checkGrammarStatementInAmbientContext(node); + var firstDefaultClause; + var hasDuplicateDefaultClause = false; + var expressionType = checkExpression(node.expression); + ts.forEach(node.caseBlock.clauses, function (clause) { + if (clause.kind === 250 && !hasDuplicateDefaultClause) { + if (firstDefaultClause === undefined) { + firstDefaultClause = clause; + } + else { + var sourceFile = ts.getSourceFileOfNode(node); + var start = ts.skipTrivia(sourceFile.text, clause.pos); + var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); + hasDuplicateDefaultClause = true; + } + } + if (produceDiagnostics && clause.kind === 249) { + var caseClause = clause; + var caseType = checkExpression(caseClause.expression); + if (!isTypeEqualityComparableTo(expressionType, caseType)) { + checkTypeComparableTo(caseType, expressionType, caseClause.expression, undefined); + } + } + ts.forEach(clause.statements, checkSourceElement); + }); + if (node.caseBlock.locals) { + registerForUnusedIdentifiersCheck(node.caseBlock); + } } - var visitedNode; - if (visited === undefined) { - if (!optional) { - Debug.failNotOptional(); + function checkLabeledStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var current = node.parent; + while (current) { + if (ts.isFunctionLike(current)) { + break; + } + if (current.kind === 215 && current.label.text === node.label.text) { + var sourceFile = ts.getSourceFileOfNode(node); + grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); + break; + } + current = current.parent; + } } - return undefined; + checkSourceElement(node.statement); } - else if (ts.isArray(visited)) { - visitedNode = (lift || extractSingleNode)(visited); + function checkThrowStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.expression === undefined) { + grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + } + } + if (node.expression) { + checkExpression(node.expression); + } } - else { - visitedNode = visited; + function checkTryStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkBlock(node.tryBlock); + var catchClause = node.catchClause; + if (catchClause) { + if (catchClause.variableDeclaration) { + if (catchClause.variableDeclaration.type) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); + } + else if (catchClause.variableDeclaration.initializer) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); + } + else { + var blockLocals = catchClause.block.locals; + if (blockLocals) { + for (var caughtName in catchClause.locals) { + var blockLocal = blockLocals[caughtName]; + if (blockLocal && (blockLocal.flags & 2) !== 0) { + grammarErrorOnNode(blockLocal.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, caughtName); + } + } + } + } + } + checkBlock(catchClause.block); + } + if (node.finallyBlock) { + checkBlock(node.finallyBlock); + } } - if (parenthesize !== undefined) { - visitedNode = parenthesize(visitedNode, parentNode); + function checkIndexConstraints(type) { + var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); + var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); + var stringIndexType = getIndexTypeOfType(type, 0); + var numberIndexType = getIndexTypeOfType(type, 1); + if (stringIndexType || numberIndexType) { + ts.forEach(getPropertiesOfObjectType(type), function (prop) { + var propType = getTypeOfSymbol(prop); + checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); + }); + if (getObjectFlags(type) & 1 && ts.isClassLike(type.symbol.valueDeclaration)) { + var classDeclaration = type.symbol.valueDeclaration; + for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (!(ts.getModifierFlags(member) & 32) && ts.hasDynamicName(member)) { + var propType = getTypeOfSymbol(member.symbol); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); + } + } + } + } + var errorNode; + if (stringIndexType && numberIndexType) { + errorNode = declaredNumberIndexer || declaredStringIndexer; + if (!errorNode && (getObjectFlags(type) & 2)) { + var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); + errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + } + } + if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { + error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + } + function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { + if (!indexType) { + return; + } + if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { + return; + } + var errorNode; + if (prop.valueDeclaration.name.kind === 141 || prop.parent === containingType.symbol) { + errorNode = prop.valueDeclaration; + } + else if (indexDeclaration) { + errorNode = indexDeclaration; + } + else if (getObjectFlags(containingType) & 2) { + var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); + errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; + } + if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { + var errorMessage = indexKind === 0 + ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 + : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; + error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + } + } } - Debug.assertNode(visitedNode, test); - aggregateTransformFlags(visitedNode); - return visitedNode; - } - ts.visitNode = visitNode; - function visitNodes(nodes, visitor, test, start, count, parenthesize, parentNode) { - if (nodes === undefined) { - return undefined; + function checkTypeNameIsReserved(name, message) { + switch (name.text) { + case "any": + case "number": + case "boolean": + case "string": + case "symbol": + case "void": + error(name, message, name.text); + } } - var updated; - var length = nodes.length; - if (start === undefined || start < 0) { - start = 0; + function checkTypeParameters(typeParameterDeclarations) { + if (typeParameterDeclarations) { + for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { + var node = typeParameterDeclarations[i]; + checkTypeParameter(node); + if (produceDiagnostics) { + for (var j = 0; j < i; j++) { + if (typeParameterDeclarations[j].symbol === node.symbol) { + error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); + } + } + } + } + } } - if (count === undefined || count > length - start) { - count = length - start; + function checkTypeParameterListsIdentical(node, symbol) { + if (symbol.declarations.length === 1) { + return; + } + var firstDecl; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 222 || declaration.kind === 223) { + if (!firstDecl) { + firstDecl = declaration; + } + else if (!areTypeParametersIdentical(firstDecl.typeParameters, node.typeParameters)) { + error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, node.name.text); + } + } + } } - if (start > 0 || count < length) { - updated = ts.createNodeArray([], undefined, nodes.hasTrailingComma && start + count === length); + function checkClassExpression(node) { + checkClassLikeDeclaration(node); + checkNodeDeferred(node); + return getTypeOfSymbol(getSymbolOfNode(node)); } - for (var i = 0; i < count; i++) { - var node = nodes[i + start]; - var visited = node !== undefined ? visitor(node) : undefined; - if (updated !== undefined || visited === undefined || visited !== node) { - if (updated === undefined) { - updated = ts.createNodeArray(nodes.slice(0, i), nodes, nodes.hasTrailingComma); + function checkClassExpressionDeferred(node) { + ts.forEach(node.members, checkSourceElement); + registerForUnusedIdentifiersCheck(node); + } + function checkClassDeclaration(node) { + if (!node.name && !(ts.getModifierFlags(node) & 512)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + } + checkClassLikeDeclaration(node); + ts.forEach(node.members, checkSourceElement); + registerForUnusedIdentifiersCheck(node); + } + function checkClassLikeDeclaration(node) { + checkGrammarClassDeclarationHeritageClauses(node); + checkDecorators(node); + if (node.name) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkTypeParameters(node.typeParameters); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + checkTypeParameterListsIdentical(node, symbol); + checkClassForDuplicateDeclarations(node); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length && produceDiagnostics) { + var baseType_1 = baseTypes[0]; + var staticBaseType = getBaseConstructorTypeOfClass(type); + checkBaseTypeAccessibility(staticBaseType, baseTypeNode); + checkSourceElement(baseTypeNode.expression); + if (baseTypeNode.typeArguments) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { + var constructor = _a[_i]; + if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { + break; + } + } + } + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); + checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); + if (baseType_1.symbol.valueDeclaration && + !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration) && + baseType_1.symbol.valueDeclaration.kind === 222) { + if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) { + error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class); + } + } + if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { + var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); + if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); + } + } + checkKindsOfPropertyMemberOverrides(type, baseType_1); } - if (visited) { - if (ts.isArray(visited)) { - for (var _i = 0, visited_1 = visited; _i < visited_1.length; _i++) { - var visitedNode = visited_1[_i]; - visitedNode = parenthesize - ? parenthesize(visitedNode, parentNode) - : visitedNode; - Debug.assertNode(visitedNode, test); - aggregateTransformFlags(visitedNode); - updated.push(visitedNode); + } + var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); + if (implementedTypeNodes) { + for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { + var typeRefNode = implementedTypeNodes_1[_b]; + if (!ts.isEntityNameExpression(typeRefNode.expression)) { + error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(typeRefNode); + if (produceDiagnostics) { + var t = getTypeFromTypeNode(typeRefNode); + if (t !== unknownType) { + var declaredType = getObjectFlags(t) & 4 ? t.target : t; + if (getObjectFlags(declaredType) & 3) { + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); + } + else { + error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); + } + } + } + } + } + if (produceDiagnostics) { + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkBaseTypeAccessibility(type, node) { + var signatures = getSignaturesOfType(type, 1); + if (signatures.length) { + var declaration = signatures[0].declaration; + if (declaration && ts.getModifierFlags(declaration) & 8) { + var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol); + if (!isNodeWithinClass(node, typeClassDeclaration)) { + error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol)); + } + } + } + } + function getTargetSymbol(s) { + return s.flags & 16777216 ? getSymbolLinks(s).target : s; + } + function getClassLikeDeclarationOfSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + } + function checkKindsOfPropertyMemberOverrides(type, baseType) { + var baseProperties = getPropertiesOfObjectType(baseType); + for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { + var baseProperty = baseProperties_1[_i]; + var base = getTargetSymbol(baseProperty); + if (base.flags & 134217728) { + continue; + } + var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); + var baseDeclarationFlags = getDeclarationModifierFlagsFromSymbol(base); + ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); + if (derived) { + if (derived === base) { + var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); + if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(ts.getModifierFlags(derivedClassDecl) & 128))) { + if (derivedClassDecl.kind === 193) { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); + } + else { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); + } } } else { - var visitedNode = parenthesize - ? parenthesize(visited, parentNode) - : visited; - Debug.assertNode(visitedNode, test); - aggregateTransformFlags(visitedNode); - updated.push(visitedNode); + var derivedDeclarationFlags = getDeclarationModifierFlagsFromSymbol(derived); + if ((baseDeclarationFlags & 8) || (derivedDeclarationFlags & 8)) { + continue; + } + if ((baseDeclarationFlags & 32) !== (derivedDeclarationFlags & 32)) { + continue; + } + if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { + continue; + } + var errorMessage = void 0; + if (base.flags & 8192) { + if (derived.flags & 98304) { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; + } + else { + ts.Debug.assert((derived.flags & 4) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; + } + } + else if (base.flags & 4) { + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; + } + else { + ts.Debug.assert((base.flags & 98304) !== 0); + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + } + } + } + } + function isAccessor(kind) { + return kind === 150 || kind === 151; + } + function areTypeParametersIdentical(list1, list2) { + if (!list1 && !list2) { + return true; + } + if (!list1 || !list2 || list1.length !== list2.length) { + return false; + } + for (var i = 0, len = list1.length; i < len; i++) { + var tp1 = list1[i]; + var tp2 = list2[i]; + if (tp1.name.text !== tp2.name.text) { + return false; + } + if (!tp1.constraint && !tp2.constraint) { + continue; + } + if (!tp1.constraint || !tp2.constraint) { + return false; + } + if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { + return false; + } + } + return true; + } + function checkInheritedPropertiesAreIdentical(type, typeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length < 2) { + return true; + } + var seen = ts.createMap(); + ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); + var ok = true; + for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { + var base = baseTypes_2[_i]; + var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { + var prop = properties_5[_a]; + var existing = seen[prop.name]; + if (!existing) { + seen[prop.name] = { prop: prop, containingType: base }; + } + else { + var isInheritedProperty = existing.containingType !== type; + if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { + ok = false; + var typeName1 = typeToString(existing.containingType); + var typeName2 = typeToString(base); + var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); + } + } + } + } + return ok; + } + function checkInterfaceDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); + checkTypeParameters(node.typeParameters); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + checkTypeParameterListsIdentical(node, symbol); + var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 223); + if (node === firstInterfaceDecl) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + if (checkInheritedPropertiesAreIdentical(type, node.name)) { + for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { + var baseType = _a[_i]; + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + } + checkIndexConstraints(type); + } + } + checkObjectTypeForDuplicateDeclarations(node); + } + ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { + if (!ts.isEntityNameExpression(heritageElement.expression)) { + error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(heritageElement); + }); + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + checkTypeForDuplicateIndexSignatures(node); + registerForUnusedIdentifiersCheck(node); + } + } + function checkTypeAliasDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkTypeParameters(node.typeParameters); + checkSourceElement(node.type); + } + function computeEnumMemberValues(node) { + var nodeLinks = getNodeLinks(node); + if (!(nodeLinks.flags & 16384)) { + var enumSymbol = getSymbolOfNode(node); + var enumType = getDeclaredTypeOfSymbol(enumSymbol); + var autoValue = 0; + var ambient = ts.isInAmbientContext(node); + var enumIsConst = ts.isConst(node); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (isComputedNonLiteralName(member.name)) { + error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); + } + else { + var text = getTextOfPropertyName(member.name); + if (isNumericLiteralName(text) && !isInfinityOrNaNString(text)) { + error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); + } + } + var previousEnumMemberIsNonConstant = autoValue === undefined; + var initializer = member.initializer; + if (initializer) { + autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); + } + else if (ambient && !enumIsConst) { + autoValue = undefined; + } + else if (previousEnumMemberIsNonConstant) { + error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); + } + if (autoValue !== undefined) { + getNodeLinks(member).enumMemberValue = autoValue; + autoValue++; } } + nodeLinks.flags |= 16384; } - } - return updated || nodes; - } - ts.visitNodes = visitNodes; - function visitEachChild(node, visitor, context) { - if (node === undefined) { - return undefined; - } - var kind = node.kind; - if ((kind > 0 && kind <= 139)) { - return node; - } - if ((kind >= 155 && kind <= 167)) { - return node; - } - switch (node.kind) { - case 199: - case 202: - case 194: - case 218: - return node; - case 141: - return ts.updateComputedPropertyName(node, visitNode(node.expression, visitor, ts.isExpression)); - case 143: - return ts.updateParameterDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 146: - return ts.updateProperty(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 148: - return ts.updateMethod(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 149: - return ts.updateConstructor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 150: - return ts.updateGetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 151: - return ts.updateSetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 168: - return ts.updateObjectBindingPattern(node, visitNodes(node.elements, visitor, ts.isBindingElement)); - case 169: - return ts.updateArrayBindingPattern(node, visitNodes(node.elements, visitor, ts.isArrayBindingElement)); - case 170: - return ts.updateBindingElement(node, visitNode(node.propertyName, visitor, ts.isPropertyName, true), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 171: - return ts.updateArrayLiteral(node, visitNodes(node.elements, visitor, ts.isExpression)); - case 172: - return ts.updateObjectLiteral(node, visitNodes(node.properties, visitor, ts.isObjectLiteralElementLike)); - case 173: - return ts.updatePropertyAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.name, visitor, ts.isIdentifier)); - case 174: - return ts.updateElementAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.argumentExpression, visitor, ts.isExpression)); - case 175: - return ts.updateCall(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); - case 176: - return ts.updateNew(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); - case 177: - return ts.updateTaggedTemplate(node, visitNode(node.tag, visitor, ts.isExpression), visitNode(node.template, visitor, ts.isTemplateLiteral)); - case 179: - return ts.updateParen(node, visitNode(node.expression, visitor, ts.isExpression)); - case 180: - return ts.updateFunctionExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 181: - return ts.updateArrowFunction(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isConciseBody, true), context.endLexicalEnvironment())); - case 182: - return ts.updateDelete(node, visitNode(node.expression, visitor, ts.isExpression)); - case 183: - return ts.updateTypeOf(node, visitNode(node.expression, visitor, ts.isExpression)); - case 184: - return ts.updateVoid(node, visitNode(node.expression, visitor, ts.isExpression)); - case 185: - return ts.updateAwait(node, visitNode(node.expression, visitor, ts.isExpression)); - case 188: - return ts.updateBinary(node, visitNode(node.left, visitor, ts.isExpression), visitNode(node.right, visitor, ts.isExpression)); - case 186: - return ts.updatePrefix(node, visitNode(node.operand, visitor, ts.isExpression)); - case 187: - return ts.updatePostfix(node, visitNode(node.operand, visitor, ts.isExpression)); - case 189: - return ts.updateConditional(node, visitNode(node.condition, visitor, ts.isExpression), visitNode(node.whenTrue, visitor, ts.isExpression), visitNode(node.whenFalse, visitor, ts.isExpression)); - case 190: - return ts.updateTemplateExpression(node, visitNode(node.head, visitor, ts.isTemplateHead), visitNodes(node.templateSpans, visitor, ts.isTemplateSpan)); - case 191: - return ts.updateYield(node, visitNode(node.expression, visitor, ts.isExpression)); - case 192: - return ts.updateSpread(node, visitNode(node.expression, visitor, ts.isExpression)); - case 193: - return ts.updateClassExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); - case 195: - return ts.updateExpressionWithTypeArguments(node, visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNode(node.expression, visitor, ts.isExpression)); - case 198: - return ts.updateTemplateSpan(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.literal, visitor, ts.isTemplateMiddleOrTemplateTail)); - case 200: - return ts.updateBlock(node, visitNodes(node.statements, visitor, ts.isStatement)); - case 201: - return ts.updateVariableStatement(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.declarationList, visitor, ts.isVariableDeclarationList)); - case 203: - return ts.updateStatement(node, visitNode(node.expression, visitor, ts.isExpression)); - case 204: - return ts.updateIf(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.thenStatement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.elseStatement, visitor, ts.isStatement, true, liftToBlock)); - case 205: - return ts.updateDo(node, visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.expression, visitor, ts.isExpression)); - case 206: - return ts.updateWhile(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 207: - return ts.updateFor(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.condition, visitor, ts.isExpression), visitNode(node.incrementor, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 208: - return ts.updateForIn(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 209: - return ts.updateForOf(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 210: - return ts.updateContinue(node, visitNode(node.label, visitor, ts.isIdentifier, true)); - case 211: - return ts.updateBreak(node, visitNode(node.label, visitor, ts.isIdentifier, true)); - case 212: - return ts.updateReturn(node, visitNode(node.expression, visitor, ts.isExpression, true)); - case 213: - return ts.updateWith(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 214: - return ts.updateSwitch(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.caseBlock, visitor, ts.isCaseBlock)); - case 215: - return ts.updateLabel(node, visitNode(node.label, visitor, ts.isIdentifier), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); - case 216: - return ts.updateThrow(node, visitNode(node.expression, visitor, ts.isExpression)); - case 217: - return ts.updateTry(node, visitNode(node.tryBlock, visitor, ts.isBlock), visitNode(node.catchClause, visitor, ts.isCatchClause, true), visitNode(node.finallyBlock, visitor, ts.isBlock, true)); - case 219: - return ts.updateVariableDeclaration(node, visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); - case 220: - return ts.updateVariableDeclarationList(node, visitNodes(node.declarations, visitor, ts.isVariableDeclaration)); - case 221: - return ts.updateFunctionDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); - case 222: - return ts.updateClassDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); - case 228: - return ts.updateCaseBlock(node, visitNodes(node.clauses, visitor, ts.isCaseOrDefaultClause)); - case 231: - return ts.updateImportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.importClause, visitor, ts.isImportClause, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression)); - case 232: - return ts.updateImportClause(node, visitNode(node.name, visitor, ts.isIdentifier, true), visitNode(node.namedBindings, visitor, ts.isNamedImportBindings, true)); - case 233: - return ts.updateNamespaceImport(node, visitNode(node.name, visitor, ts.isIdentifier)); - case 234: - return ts.updateNamedImports(node, visitNodes(node.elements, visitor, ts.isImportSpecifier)); - case 235: - return ts.updateImportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); - case 236: - return ts.updateExportAssignment(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.expression, visitor, ts.isExpression)); - case 237: - return ts.updateExportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.exportClause, visitor, ts.isNamedExports, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression, true)); - case 238: - return ts.updateNamedExports(node, visitNodes(node.elements, visitor, ts.isExportSpecifier)); - case 239: - return ts.updateExportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); - case 242: - return ts.updateJsxElement(node, visitNode(node.openingElement, visitor, ts.isJsxOpeningElement), visitNodes(node.children, visitor, ts.isJsxChild), visitNode(node.closingElement, visitor, ts.isJsxClosingElement)); - case 243: - return ts.updateJsxSelfClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); - case 244: - return ts.updateJsxOpeningElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); - case 245: - return ts.updateJsxClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression)); - case 246: - return ts.updateJsxAttribute(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.initializer, visitor, ts.isStringLiteralOrJsxExpression)); - case 247: - return ts.updateJsxSpreadAttribute(node, visitNode(node.expression, visitor, ts.isExpression)); - case 248: - return ts.updateJsxExpression(node, visitNode(node.expression, visitor, ts.isExpression)); - case 249: - return ts.updateCaseClause(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.statements, visitor, ts.isStatement)); - case 250: - return ts.updateDefaultClause(node, visitNodes(node.statements, visitor, ts.isStatement)); - case 251: - return ts.updateHeritageClause(node, visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments)); - case 252: - return ts.updateCatchClause(node, visitNode(node.variableDeclaration, visitor, ts.isVariableDeclaration), visitNode(node.block, visitor, ts.isBlock)); - case 253: - return ts.updatePropertyAssignment(node, visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.initializer, visitor, ts.isExpression)); - case 254: - return ts.updateShorthandPropertyAssignment(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.objectAssignmentInitializer, visitor, ts.isExpression)); - case 256: - context.startLexicalEnvironment(); - return ts.updateSourceFileNode(node, ts.createNodeArray(ts.concatenate(visitNodes(node.statements, visitor, ts.isStatement), context.endLexicalEnvironment()), node.statements)); - case 288: - return ts.updatePartiallyEmittedExpression(node, visitNode(node.expression, visitor, ts.isExpression)); - default: - var updated = void 0; - var edgeTraversalPath = nodeEdgeTraversalMap[kind]; - if (edgeTraversalPath) { - for (var _i = 0, edgeTraversalPath_2 = edgeTraversalPath; _i < edgeTraversalPath_2.length; _i++) { - var edge = edgeTraversalPath_2[_i]; - var value = node[edge.name]; - if (value !== undefined) { - var visited = ts.isArray(value) - ? visitNodes(value, visitor, edge.test, 0, value.length, edge.parenthesize, node) - : visitNode(value, visitor, edge.test, edge.optional, edge.lift, edge.parenthesize, node); - if (updated !== undefined || visited !== value) { - if (updated === undefined) { - updated = ts.getMutableClone(node); + function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { + var reportError = true; + var value = evalConstant(initializer); + if (reportError) { + if (value === undefined) { + if (enumIsConst) { + error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + } + else if (ambient) { + error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + } + else { + checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); + } + } + else if (enumIsConst) { + if (isNaN(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + } + else if (!isFinite(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + } + } + } + return value; + function evalConstant(e) { + switch (e.kind) { + case 186: + var value_1 = evalConstant(e.operand); + if (value_1 === undefined) { + return undefined; + } + switch (e.operator) { + case 36: return value_1; + case 37: return -value_1; + case 51: return ~value_1; + } + return undefined; + case 188: + var left = evalConstant(e.left); + if (left === undefined) { + return undefined; + } + var right = evalConstant(e.right); + if (right === undefined) { + return undefined; + } + switch (e.operatorToken.kind) { + case 48: return left | right; + case 47: return left & right; + case 45: return left >> right; + case 46: return left >>> right; + case 44: return left << right; + case 49: return left ^ right; + case 38: return left * right; + case 40: return left / right; + case 36: return left + right; + case 37: return left - right; + case 41: return left % right; + } + return undefined; + case 8: + return +e.text; + case 179: + return evalConstant(e.expression); + case 70: + case 174: + case 173: + var member = initializer.parent; + var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); + var enumType_1; + var propertyName = void 0; + if (e.kind === 70) { + enumType_1 = currentType; + propertyName = e.text; + } + else { + var expression = void 0; + if (e.kind === 174) { + if (e.argumentExpression === undefined || + e.argumentExpression.kind !== 9) { + return undefined; + } + expression = e.expression; + propertyName = e.argumentExpression.text; } - if (visited !== value) { - updated[edge.name] = visited; + else { + expression = e.expression; + propertyName = e.name.text; + } + var current = expression; + while (current) { + if (current.kind === 70) { + break; + } + else if (current.kind === 173) { + current = current.expression; + } + else { + return undefined; + } + } + enumType_1 = checkExpression(expression); + if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { + return undefined; } } - } + if (propertyName === undefined) { + return undefined; + } + var property = getPropertyOfObjectType(enumType_1, propertyName); + if (!property || !(property.flags & 8)) { + return undefined; + } + var propertyDecl = property.valueDeclaration; + if (member === propertyDecl) { + return undefined; + } + if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { + reportError = false; + error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); + return undefined; + } + return getNodeLinks(propertyDecl).enumMemberValue; } } - return updated ? ts.updateNode(updated, node) : node; + } } - } - ts.visitEachChild = visitEachChild; - function mergeFunctionBodyLexicalEnvironment(body, declarations) { - if (body && declarations !== undefined && declarations.length > 0) { - if (ts.isBlock(body)) { - return ts.updateBlock(body, ts.createNodeArray(ts.concatenate(body.statements, declarations), body.statements)); + function checkEnumDeclaration(node) { + if (!produceDiagnostics) { + return; } - else { - return ts.createBlock(ts.createNodeArray([ts.createReturn(body, body)].concat(declarations), body), body, true); + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + computeEnumMemberValues(node); + var enumIsConst = ts.isConst(node); + if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { + error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + } + var enumSymbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); + if (node === firstDeclaration) { + if (enumSymbol.declarations.length > 1) { + ts.forEach(enumSymbol.declarations, function (decl) { + if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { + error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); + } + }); + } + var seenEnumMissingInitialInitializer_1 = false; + ts.forEach(enumSymbol.declarations, function (declaration) { + if (declaration.kind !== 225) { + return false; + } + var enumDeclaration = declaration; + if (!enumDeclaration.members.length) { + return false; + } + var firstEnumMember = enumDeclaration.members[0]; + if (!firstEnumMember.initializer) { + if (seenEnumMissingInitialInitializer_1) { + error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); + } + else { + seenEnumMissingInitialInitializer_1 = true; + } + } + }); } } - return body; - } - ts.mergeFunctionBodyLexicalEnvironment = mergeFunctionBodyLexicalEnvironment; - function liftToBlock(nodes) { - Debug.assert(ts.every(nodes, ts.isStatement), "Cannot lift nodes to a Block."); - return ts.singleOrUndefined(nodes) || ts.createBlock(nodes); - } - ts.liftToBlock = liftToBlock; - function extractSingleNode(nodes) { - Debug.assert(nodes.length <= 1, "Too many nodes written to output."); - return ts.singleOrUndefined(nodes); - } - function aggregateTransformFlags(node) { - aggregateTransformFlagsForNode(node); - return node; - } - ts.aggregateTransformFlags = aggregateTransformFlags; - function aggregateTransformFlagsForNode(node) { - if (node === undefined) { - return 0; - } - else if (node.transformFlags & 536870912) { - return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); - } - else { - var subtreeFlags = aggregateTransformFlagsForSubtree(node); - return ts.computeTransformFlagsForNode(node, subtreeFlags); - } - } - function aggregateTransformFlagsForSubtree(node) { - if (ts.hasModifier(node, 2) || ts.isTypeNode(node)) { - return 0; - } - return reduceEachChild(node, aggregateTransformFlagsForChildNode, 0); - } - function aggregateTransformFlagsForChildNode(transformFlags, child) { - return transformFlags | aggregateTransformFlagsForNode(child); - } - function getTransformFlagsSubtreeExclusions(kind) { - if (kind >= 155 && kind <= 167) { - return -3; - } - switch (kind) { - case 175: - case 176: - case 171: - return 537922901; - case 226: - return 574729557; - case 143: - return 545262933; - case 181: - return 592227669; - case 180: - case 221: - return 592293205; - case 220: - return 545262933; - case 222: - case 193: - return 539749717; - case 149: - return 591760725; - case 148: - case 150: - case 151: - return 591760725; - case 118: - case 131: - case 128: - case 133: - case 121: - case 134: - case 104: - case 142: - case 145: - case 147: - case 152: - case 153: - case 154: - case 223: - case 224: - return -3; - case 172: - return 539110741; - default: - return 536874325; + function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { + var declaration = declarations_5[_i]; + if ((declaration.kind === 222 || + (declaration.kind === 221 && ts.nodeIsPresent(declaration.body))) && + !ts.isInAmbientContext(declaration)) { + return declaration; + } + } + return undefined; } - } - var Debug; - (function (Debug) { - Debug.failNotOptional = Debug.shouldAssert(1) - ? function (message) { return Debug.assert(false, message || "Node not optional."); } - : function () { }; - Debug.failBadSyntaxKind = Debug.shouldAssert(1) - ? function (node, message) { return Debug.assert(false, message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " was unexpected."; }); } - : function () { }; - Debug.assertNode = Debug.shouldAssert(1) - ? function (node, test, message) { return Debug.assert(test === undefined || test(node), message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }); } - : function () { }; - function getFunctionName(func) { - if (typeof func !== "function") { - return ""; + function inSameLexicalScope(node1, node2) { + var container1 = ts.getEnclosingBlockScopeContainer(node1); + var container2 = ts.getEnclosingBlockScopeContainer(node2); + if (isGlobalSourceFile(container1)) { + return isGlobalSourceFile(container2); } - else if (func.hasOwnProperty("name")) { - return func.name; + else if (isGlobalSourceFile(container2)) { + return false; } else { - var text = Function.prototype.toString.call(func); - var match = /^function\s+([\w\$]+)\s*\(/.exec(text); - return match ? match[1] : ""; + return container1 === container2; } } - })(Debug = ts.Debug || (ts.Debug = {})); - var _a; -})(ts || (ts = {})); -var ts; -(function (ts) { - function flattenDestructuringAssignment(context, node, needsValue, recordTempVariable, visitor) { - if (ts.isEmptyObjectLiteralOrArrayLiteral(node.left)) { - var right = node.right; - if (ts.isDestructuringAssignment(right)) { - return flattenDestructuringAssignment(context, right, needsValue, recordTempVariable, visitor); + function checkModuleDeclaration(node) { + if (produceDiagnostics) { + var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); + var inAmbientContext = ts.isInAmbientContext(node); + if (isGlobalAugmentation && !inAmbientContext) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + } + var isAmbientExternalModule = ts.isAmbientModule(node); + var contextErrorMessage = isAmbientExternalModule + ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file + : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; + if (checkGrammarModuleElementContext(node, contextErrorMessage)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { + if (!inAmbientContext && node.name.kind === 9) { + grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); + } + } + if (ts.isIdentifier(node.name)) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + if (symbol.flags & 512 + && symbol.declarations.length > 1 + && !inAmbientContext + && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { + var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); + if (firstNonAmbientClassOrFunc) { + if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); + } + else if (node.pos < firstNonAmbientClassOrFunc.pos) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + } + } + var mergedClass = ts.getDeclarationOfKind(symbol, 222); + if (mergedClass && + inSameLexicalScope(node, mergedClass)) { + getNodeLinks(node).flags |= 32768; + } + } + if (isAmbientExternalModule) { + if (ts.isExternalModuleAugmentation(node)) { + var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); + if (checkBody && node.body) { + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + checkModuleAugmentationElement(statement, isGlobalAugmentation); + } + } + } + else if (isGlobalSourceFile(node.parent)) { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else if (ts.isExternalModuleNameRelative(node.name.text)) { + error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); + } + } + else { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else { + error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); + } + } + } } - else { - return node.right; + if (node.body) { + checkSourceElement(node.body); + if (!ts.isGlobalScopeAugmentation(node)) { + registerForUnusedIdentifiersCheck(node); + } } } - var location = node; - var value = node.right; - var expressions = []; - if (needsValue) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment, visitor); - } - else if (ts.nodeIsSynthesized(node)) { - location = value; - } - flattenDestructuring(node, value, location, emitAssignment, emitTempVariableAssignment, visitor); - if (needsValue) { - expressions.push(value); + function checkModuleAugmentationElement(node, isGlobalAugmentation) { + switch (node.kind) { + case 201: + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + checkModuleAugmentationElement(decl, isGlobalAugmentation); + } + break; + case 236: + case 237: + grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); + break; + case 230: + case 231: + grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); + break; + case 170: + case 219: + var name_25 = node.name; + if (ts.isBindingPattern(name_25)) { + for (var _b = 0, _c = name_25.elements; _b < _c.length; _b++) { + var el = _c[_b]; + checkModuleAugmentationElement(el, isGlobalAugmentation); + } + break; + } + case 222: + case 225: + case 221: + case 223: + case 226: + case 224: + if (isGlobalAugmentation) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol) { + var reportError = !(symbol.flags & 33554432); + if (!reportError) { + reportError = ts.isExternalModuleAugmentation(symbol.parent.declarations[0]); + } + } + break; + } } - var expression = ts.inlineExpressions(expressions); - ts.aggregateTransformFlags(expression); - return expression; - function emitAssignment(name, value, location) { - var expression = ts.createAssignment(name, value, location); - ts.setEmitFlags(expression, 2048); - ts.aggregateTransformFlags(expression); - expressions.push(expression); + function getFirstIdentifier(node) { + switch (node.kind) { + case 70: + return node; + case 140: + do { + node = node.left; + } while (node.kind !== 70); + return node; + case 173: + do { + node = node.expression; + } while (node.kind !== 70); + return node; + } } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(recordTempVariable); - emitAssignment(name, value, location); - return name; + function checkExternalImportOrExportDeclaration(node) { + var moduleName = ts.getExternalModuleName(node); + if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { + error(moduleName, ts.Diagnostics.String_literal_expected); + return false; + } + var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 256 && !inAmbientExternalModule) { + error(moduleName, node.kind === 237 ? + ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : + ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + return false; + } + if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { + if (!isTopLevelInExternalModuleAugmentation(node)) { + error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); + return false; + } + } + return true; } - } - ts.flattenDestructuringAssignment = flattenDestructuringAssignment; - function flattenParameterDestructuring(node, value, visitor) { - var declarations = []; - flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); - return declarations; - function emitAssignment(name, value, location) { - var declaration = ts.createVariableDeclaration(name, undefined, value, location); - ts.setEmitFlags(declaration, 2048); - ts.aggregateTransformFlags(declaration); - declarations.push(declaration); + function checkAliasSymbol(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target !== unknownSymbol) { + var excludedMeanings = (symbol.flags & (107455 | 1048576) ? 107455 : 0) | + (symbol.flags & 793064 ? 793064 : 0) | + (symbol.flags & 1920 ? 1920 : 0); + if (target.flags & excludedMeanings) { + var message = node.kind === 239 ? + ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : + ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; + error(node, message, symbolToString(symbol)); + } + } } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(undefined); - emitAssignment(name, value, location); - return name; + function checkImportBinding(node) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkAliasSymbol(node); } - } - ts.flattenParameterDestructuring = flattenParameterDestructuring; - function flattenVariableDestructuring(node, value, visitor, recordTempVariable) { - var declarations = []; - var pendingAssignments; - flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); - return declarations; - function emitAssignment(name, value, location, original) { - if (pendingAssignments) { - pendingAssignments.push(value); - value = ts.inlineExpressions(pendingAssignments); - pendingAssignments = undefined; + function checkImportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + } + if (checkExternalImportOrExportDeclaration(node)) { + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + checkImportBinding(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 233) { + checkImportBinding(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, checkImportBinding); + } + } + } } - var declaration = ts.createVariableDeclaration(name, undefined, value, location); - declaration.original = original; - ts.setEmitFlags(declaration, 2048); - declarations.push(declaration); - ts.aggregateTransformFlags(declaration); } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(recordTempVariable); - if (recordTempVariable) { - var assignment = ts.createAssignment(name, value, location); - if (pendingAssignments) { - pendingAssignments.push(assignment); + function checkImportEqualsDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { + checkImportBinding(node); + if (ts.getModifierFlags(node) & 1) { + markExportAsReferenced(node); + } + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + var target = resolveAlias(getSymbolOfNode(node)); + if (target !== unknownSymbol) { + if (target.flags & 107455) { + var moduleName = getFirstIdentifier(node.moduleReference); + if (!(resolveEntityName(moduleName, 107455 | 1920).flags & 1920)) { + error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); + } + } + if (target.flags & 793064) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + } } else { - pendingAssignments = [assignment]; + if (modulekind === ts.ModuleKind.ES2015 && !ts.isInAmbientContext(node)) { + grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + } } } - else { - emitAssignment(name, value, location, undefined); - } - return name; - } - } - ts.flattenVariableDestructuring = flattenVariableDestructuring; - function flattenVariableDestructuringToExpression(node, recordTempVariable, nameSubstitution, visitor) { - var pendingAssignments = []; - flattenDestructuring(node, undefined, node, emitAssignment, emitTempVariableAssignment, visitor); - var expression = ts.inlineExpressions(pendingAssignments); - ts.aggregateTransformFlags(expression); - return expression; - function emitAssignment(name, value, location, original) { - var left = nameSubstitution && nameSubstitution(name) || name; - emitPendingAssignment(left, value, location, original); - } - function emitTempVariableAssignment(value, location) { - var name = ts.createTempVariable(recordTempVariable); - emitPendingAssignment(name, value, location, undefined); - return name; - } - function emitPendingAssignment(name, value, location, original) { - var expression = ts.createAssignment(name, value, location); - expression.original = original; - ts.setEmitFlags(expression, 2048); - pendingAssignments.push(expression); - return expression; - } - } - ts.flattenVariableDestructuringToExpression = flattenVariableDestructuringToExpression; - function flattenDestructuring(root, value, location, emitAssignment, emitTempVariableAssignment, visitor) { - if (value && visitor) { - value = ts.visitNode(value, visitor, ts.isExpression); } - if (ts.isBinaryExpression(root)) { - emitDestructuringAssignment(root.left, value, location); + function checkExportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + } + if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { + if (node.exportClause) { + ts.forEach(node.exportClause.elements, checkExportSpecifier); + var inAmbientExternalModule = node.parent.kind === 227 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 256 && !inAmbientExternalModule) { + error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + } + } + else { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { + error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + } + } + } } - else { - emitBindingElement(root, value); + function checkGrammarModuleElementContext(node, errorMessage) { + var isInAppropriateContext = node.parent.kind === 256 || node.parent.kind === 227 || node.parent.kind === 226; + if (!isInAppropriateContext) { + grammarErrorOnFirstToken(node, errorMessage); + } + return !isInAppropriateContext; } - function emitDestructuringAssignment(bindingTarget, value, location) { - var target; - if (ts.isShorthandPropertyAssignment(bindingTarget)) { - var initializer = visitor - ? ts.visitNode(bindingTarget.objectAssignmentInitializer, visitor, ts.isExpression) - : bindingTarget.objectAssignmentInitializer; - if (initializer) { - value = createDefaultValueCheck(value, initializer, location); + function checkExportSpecifier(node) { + checkAliasSymbol(node); + if (!node.parent.parent.moduleSpecifier) { + var exportedName = node.propertyName || node.name; + var symbol = resolveName(exportedName, exportedName.text, 107455 | 793064 | 1920 | 8388608, undefined, undefined); + if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { + error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, exportedName.text); + } + else { + markExportAsReferenced(node); } - target = bindingTarget.name; } - else if (ts.isBinaryExpression(bindingTarget) && bindingTarget.operatorToken.kind === 57) { - var initializer = visitor - ? ts.visitNode(bindingTarget.right, visitor, ts.isExpression) - : bindingTarget.right; - value = createDefaultValueCheck(value, initializer, location); - target = bindingTarget.left; + } + function checkExportAssignment(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + return; } - else { - target = bindingTarget; + var container = node.parent.kind === 256 ? node.parent : node.parent.parent; + if (container.kind === 226 && !ts.isAmbientModule(container)) { + error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + return; } - if (target.kind === 172) { - emitObjectLiteralAssignment(target, value, location); + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && ts.getModifierFlags(node) !== 0) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); } - else if (target.kind === 171) { - emitArrayLiteralAssignment(target, value, location); + if (node.expression.kind === 70) { + markExportAsReferenced(node); } else { - var name_26 = ts.getMutableClone(target); - ts.setSourceMapRange(name_26, target); - ts.setCommentRange(name_26, target); - emitAssignment(name_26, value, location, undefined); - } - } - function emitObjectLiteralAssignment(target, value, location) { - var properties = target.properties; - if (properties.length !== 1) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment); + checkExpressionCached(node.expression); } - for (var _i = 0, properties_6 = properties; _i < properties_6.length; _i++) { - var p = properties_6[_i]; - if (p.kind === 253 || p.kind === 254) { - var propName = p.name; - var target_1 = p.kind === 254 ? p : p.initializer || propName; - emitDestructuringAssignment(target_1, createDestructuringPropertyAccess(value, propName), p); + checkExternalModuleExports(container); + if (node.isExportEquals && !ts.isInAmbientContext(node)) { + if (modulekind === ts.ModuleKind.ES2015) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead); + } + else if (modulekind === ts.ModuleKind.System) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); } } } - function emitArrayLiteralAssignment(target, value, location) { - var elements = target.elements; - var numElements = elements.length; - if (numElements !== 1) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment); - } - for (var i = 0; i < numElements; i++) { - var e = elements[i]; - if (e.kind !== 194) { - if (e.kind !== 192) { - emitDestructuringAssignment(e, ts.createElementAccess(value, ts.createLiteral(i)), e); - } - else if (i === numElements - 1) { - emitDestructuringAssignment(e.expression, ts.createArraySlice(value, i), e); - } + function hasExportedMembers(moduleSymbol) { + for (var id in moduleSymbol.exports) { + if (id !== "export=") { + return true; } } + return false; } - function emitBindingElement(target, value) { - var initializer = visitor ? ts.visitNode(target.initializer, visitor, ts.isExpression) : target.initializer; - if (initializer) { - value = value ? createDefaultValueCheck(value, initializer, target) : initializer; - } - else if (!value) { - value = ts.createVoidZero(); - } - var name = target.name; - if (ts.isBindingPattern(name)) { - var elements = name.elements; - var numElements = elements.length; - if (numElements !== 1) { - value = ensureIdentifier(value, numElements !== 0, target, emitTempVariableAssignment); + function checkExternalModuleExports(node) { + var moduleSymbol = getSymbolOfNode(node); + var links = getSymbolLinks(moduleSymbol); + if (!links.exportsChecked) { + var exportEqualsSymbol = moduleSymbol.exports["export="]; + if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { + var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; + if (!isTopLevelInExternalModuleAugmentation(declaration)) { + error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); + } } - for (var i = 0; i < numElements; i++) { - var element = elements[i]; - if (ts.isOmittedExpression(element)) { + var exports_1 = getExportsOfModule(moduleSymbol); + for (var id in exports_1) { + if (id === "__export") { continue; } - else if (name.kind === 168) { - var propName = element.propertyName || element.name; - emitBindingElement(element, createDestructuringPropertyAccess(value, propName)); + var _a = exports_1[id], declarations = _a.declarations, flags = _a.flags; + if (flags & (1920 | 64 | 384)) { + continue; + } + var exportedDeclarationsCount = ts.countWhere(declarations, isNotOverload); + if (flags & 524288 && exportedDeclarationsCount <= 2) { + continue; } - else { - if (!element.dotDotDotToken) { - emitBindingElement(element, ts.createElementAccess(value, i)); - } - else if (i === numElements - 1) { - emitBindingElement(element, ts.createArraySlice(value, i)); + if (exportedDeclarationsCount > 1) { + for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { + var declaration = declarations_6[_i]; + if (isNotOverload(declaration)) { + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + } } } } + links.exportsChecked = true; } - else { - emitAssignment(name, value, target, target); + function isNotOverload(declaration) { + return (declaration.kind !== 221 && declaration.kind !== 148) || + !!declaration.body; } } - function createDefaultValueCheck(value, defaultValue, location) { - value = ensureIdentifier(value, true, location, emitTempVariableAssignment); - return ts.createConditional(ts.createStrictEquality(value, ts.createVoidZero()), ts.createToken(54), defaultValue, ts.createToken(55), value); - } - function createDestructuringPropertyAccess(expression, propertyName) { - if (ts.isComputedPropertyName(propertyName)) { - return ts.createElementAccess(expression, ensureIdentifier(propertyName.expression, false, propertyName, emitTempVariableAssignment)); - } - else if (ts.isLiteralExpression(propertyName)) { - var clone_2 = ts.getSynthesizedClone(propertyName); - clone_2.text = ts.unescapeIdentifier(clone_2.text); - return ts.createElementAccess(expression, clone_2); + function checkSourceElement(node) { + if (!node) { + return; } - else { - if (ts.isGeneratedIdentifier(propertyName)) { - var clone_3 = ts.getSynthesizedClone(propertyName); - clone_3.text = ts.unescapeIdentifier(clone_3.text); - return ts.createPropertyAccess(expression, clone_3); - } - else { - return ts.createPropertyAccess(expression, ts.createIdentifier(ts.unescapeIdentifier(propertyName.text))); + var kind = node.kind; + if (cancellationToken) { + switch (kind) { + case 226: + case 222: + case 223: + case 221: + cancellationToken.throwIfCancellationRequested(); } } - } - } - function ensureIdentifier(value, reuseIdentifierExpressions, location, emitTempVariableAssignment, visitor) { - if (ts.isIdentifier(value) && reuseIdentifierExpressions) { - return value; - } - else { - if (visitor) { - value = ts.visitNode(value, visitor, ts.isExpression); + switch (kind) { + case 142: + return checkTypeParameter(node); + case 143: + return checkParameter(node); + case 146: + case 145: + return checkPropertyDeclaration(node); + case 157: + case 158: + case 152: + case 153: + return checkSignatureDeclaration(node); + case 154: + return checkSignatureDeclaration(node); + case 148: + case 147: + return checkMethodDeclaration(node); + case 149: + return checkConstructorDeclaration(node); + case 150: + case 151: + return checkAccessorDeclaration(node); + case 156: + return checkTypeReferenceNode(node); + case 155: + return checkTypePredicate(node); + case 159: + return checkTypeQuery(node); + case 160: + return checkTypeLiteral(node); + case 161: + return checkArrayType(node); + case 162: + return checkTupleType(node); + case 163: + case 164: + return checkUnionOrIntersectionType(node); + case 165: + return checkSourceElement(node.type); + case 221: + return checkFunctionDeclaration(node); + case 200: + case 227: + return checkBlock(node); + case 201: + return checkVariableStatement(node); + case 203: + return checkExpressionStatement(node); + case 204: + return checkIfStatement(node); + case 205: + return checkDoStatement(node); + case 206: + return checkWhileStatement(node); + case 207: + return checkForStatement(node); + case 208: + return checkForInStatement(node); + case 209: + return checkForOfStatement(node); + case 210: + case 211: + return checkBreakOrContinueStatement(node); + case 212: + return checkReturnStatement(node); + case 213: + return checkWithStatement(node); + case 214: + return checkSwitchStatement(node); + case 215: + return checkLabeledStatement(node); + case 216: + return checkThrowStatement(node); + case 217: + return checkTryStatement(node); + case 219: + return checkVariableDeclaration(node); + case 170: + return checkBindingElement(node); + case 222: + return checkClassDeclaration(node); + case 223: + return checkInterfaceDeclaration(node); + case 224: + return checkTypeAliasDeclaration(node); + case 225: + return checkEnumDeclaration(node); + case 226: + return checkModuleDeclaration(node); + case 231: + return checkImportDeclaration(node); + case 230: + return checkImportEqualsDeclaration(node); + case 237: + return checkExportDeclaration(node); + case 236: + return checkExportAssignment(node); + case 202: + checkGrammarStatementInAmbientContext(node); + return; + case 218: + checkGrammarStatementInAmbientContext(node); + return; + case 240: + return checkMissingDeclaration(node); } - return emitTempVariableAssignment(value, location); } - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var USE_NEW_TYPE_METADATA_FORMAT = false; - var TypeScriptSubstitutionFlags; - (function (TypeScriptSubstitutionFlags) { - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["ClassAliases"] = 1] = "ClassAliases"; - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NamespaceExports"] = 2] = "NamespaceExports"; - TypeScriptSubstitutionFlags[TypeScriptSubstitutionFlags["NonQualifiedEnumMembers"] = 8] = "NonQualifiedEnumMembers"; - })(TypeScriptSubstitutionFlags || (TypeScriptSubstitutionFlags = {})); - function transformTypeScript(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var resolver = context.getEmitResolver(); - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var previousOnEmitNode = context.onEmitNode; - var previousOnSubstituteNode = context.onSubstituteNode; - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.enableSubstitution(173); - context.enableSubstitution(174); - var currentSourceFile; - var currentNamespace; - var currentNamespaceContainerName; - var currentScope; - var currentScopeFirstDeclarationsOfName; - var currentSourceFileExternalHelpersModuleName; - var enabledSubstitutions; - var classAliases; - var applicableSubstitutions; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function checkNodeDeferred(node) { + if (deferredNodes) { + deferredNodes.push(node); } - return ts.visitNode(node, visitor, ts.isSourceFile); } - function saveStateAndInvoke(node, f) { - var savedCurrentScope = currentScope; - var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; - onBeforeVisitNode(node); - var visited = f(node); - if (currentScope !== savedCurrentScope) { - currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + function checkDeferredNodes() { + for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { + var node = deferredNodes_1[_i]; + switch (node.kind) { + case 180: + case 181: + case 148: + case 147: + checkFunctionExpressionOrObjectLiteralMethodDeferred(node); + break; + case 150: + case 151: + checkAccessorDeferred(node); + break; + case 193: + checkClassExpressionDeferred(node); + break; + } } - currentScope = savedCurrentScope; - return visited; } - function visitor(node) { - return saveStateAndInvoke(node, visitorWorker); + function checkSourceFile(node) { + ts.performance.mark("beforeCheck"); + checkSourceFileWorker(node); + ts.performance.mark("afterCheck"); + ts.performance.measure("Check", "beforeCheck", "afterCheck"); } - function visitorWorker(node) { - if (node.kind === 256) { - return visitSourceFile(node); + function checkSourceFileWorker(node) { + var links = getNodeLinks(node); + if (!(links.flags & 1)) { + if (compilerOptions.skipLibCheck && node.isDeclarationFile || compilerOptions.skipDefaultLibCheck && node.hasNoDefaultLib) { + return; + } + checkGrammarSourceFile(node); + potentialThisCollisions.length = 0; + deferredNodes = []; + deferredUnusedIdentifierNodes = produceDiagnostics && noUnusedIdentifiers ? [] : undefined; + ts.forEach(node.statements, checkSourceElement); + checkDeferredNodes(); + if (ts.isExternalModule(node)) { + registerForUnusedIdentifiersCheck(node); + } + if (!node.isDeclarationFile) { + checkUnusedIdentifiers(); + } + deferredNodes = undefined; + deferredUnusedIdentifierNodes = undefined; + if (ts.isExternalOrCommonJsModule(node)) { + checkExternalModuleExports(node); + } + if (potentialThisCollisions.length) { + ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); + potentialThisCollisions.length = 0; + } + links.flags |= 1; } - else if (node.transformFlags & 1) { - return visitTypeScript(node); + } + function getDiagnostics(sourceFile, ct) { + try { + cancellationToken = ct; + return getDiagnosticsWorker(sourceFile); } - else if (node.transformFlags & 2) { - return ts.visitEachChild(node, visitor, context); + finally { + cancellationToken = undefined; } - return node; - } - function sourceElementVisitor(node) { - return saveStateAndInvoke(node, sourceElementVisitorWorker); } - function sourceElementVisitorWorker(node) { - switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 236: - return visitExportAssignment(node); - case 237: - return visitExportDeclaration(node); - default: - return visitorWorker(node); + function getDiagnosticsWorker(sourceFile) { + throwIfNonDiagnosticsProducing(); + if (sourceFile) { + checkSourceFile(sourceFile); + return diagnostics.getDiagnostics(sourceFile.fileName); } + ts.forEach(host.getSourceFiles(), checkSourceFile); + return diagnostics.getDiagnostics(); } - function namespaceElementVisitor(node) { - return saveStateAndInvoke(node, namespaceElementVisitorWorker); + function getGlobalDiagnostics() { + throwIfNonDiagnosticsProducing(); + return diagnostics.getGlobalDiagnostics(); } - function namespaceElementVisitorWorker(node) { - if (node.kind === 237 || - node.kind === 231 || - node.kind === 232 || - (node.kind === 230 && - node.moduleReference.kind === 241)) { - return undefined; - } - else if (node.transformFlags & 1 || ts.hasModifier(node, 1)) { - return visitTypeScript(node); - } - else if (node.transformFlags & 2) { - return ts.visitEachChild(node, visitor, context); + function throwIfNonDiagnosticsProducing() { + if (!produceDiagnostics) { + throw new Error("Trying to get diagnostics from a type checker that does not produce them."); } - return node; - } - function classElementVisitor(node) { - return saveStateAndInvoke(node, classElementVisitorWorker); } - function classElementVisitorWorker(node) { - switch (node.kind) { - case 149: - return undefined; - case 146: - case 154: - case 150: - case 151: - case 148: - return visitorWorker(node); - case 199: - return node; - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; + function isInsideWithStatementBody(node) { + if (node) { + while (node.parent) { + if (node.parent.kind === 213 && node.parent.statement === node) { + return true; + } + node = node.parent; + } } + return false; } - function visitTypeScript(node) { - if (ts.hasModifier(node, 2) && ts.isStatement(node)) { - return ts.createNotEmittedStatement(node); + function getSymbolsInScope(location, meaning) { + var symbols = ts.createMap(); + var memberFlags = 0; + if (isInsideWithStatementBody(location)) { + return []; } - switch (node.kind) { - case 83: - case 78: - return currentNamespace ? undefined : node; - case 113: - case 111: - case 112: - case 116: - case 75: - case 123: - case 129: - case 161: - case 162: - case 160: - case 155: - case 142: - case 118: - case 121: - case 133: - case 131: - case 128: - case 104: - case 134: - case 158: - case 157: - case 159: - case 156: - case 163: - case 164: - case 165: - case 166: - case 167: - case 154: - case 144: - case 224: - case 146: - case 149: - return visitConstructor(node); - case 223: - return ts.createNotEmittedStatement(node); - case 222: - return visitClassDeclaration(node); - case 193: - return visitClassExpression(node); - case 251: - return visitHeritageClause(node); - case 195: - return visitExpressionWithTypeArguments(node); - case 148: - return visitMethodDeclaration(node); - case 150: - return visitGetAccessor(node); - case 151: - return visitSetAccessor(node); - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); - case 181: - return visitArrowFunction(node); - case 143: - return visitParameter(node); - case 179: - return visitParenthesizedExpression(node); - case 178: - case 196: - return visitAssertionExpression(node); - case 175: - return visitCallExpression(node); - case 176: - return visitNewExpression(node); - case 197: - return visitNonNullExpression(node); - case 225: - return visitEnumDeclaration(node); - case 201: - return visitVariableStatement(node); - case 219: - return visitVariableDeclaration(node); - case 226: - return visitModuleDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); + populateSymbols(); + return symbolsToArray(symbols); + function populateSymbols() { + while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + copySymbols(location.locals, meaning); + } + switch (location.kind) { + case 256: + if (!ts.isExternalOrCommonJsModule(location)) { + break; + } + case 226: + copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); + break; + case 225: + copySymbols(getSymbolOfNode(location).exports, meaning & 8); + break; + case 193: + var className = location.name; + if (className) { + copySymbol(location.symbol, meaning); + } + case 222: + case 223: + if (!(memberFlags & 32)) { + copySymbols(getSymbolOfNode(location).members, meaning & 793064); + } + break; + case 180: + var funcName = location.name; + if (funcName) { + copySymbol(location.symbol, meaning); + } + break; + } + if (ts.introducesArgumentsExoticObject(location)) { + copySymbol(argumentsSymbol, meaning); + } + memberFlags = ts.getModifierFlags(location); + location = location.parent; + } + copySymbols(globals, meaning); + } + function copySymbol(symbol, meaning) { + if (symbol.flags & meaning) { + var id = symbol.name; + if (!symbols[id]) { + symbols[id] = symbol; + } + } + } + function copySymbols(source, meaning) { + if (meaning) { + for (var id in source) { + var symbol = source[id]; + copySymbol(symbol, meaning); + } + } } } - function onBeforeVisitNode(node) { - switch (node.kind) { - case 256: - case 228: - case 227: - case 200: - currentScope = node; - currentScopeFirstDeclarationsOfName = undefined; - break; + function isTypeDeclarationName(name) { + return name.kind === 70 && + isTypeDeclaration(name.parent) && + name.parent.name === name; + } + function isTypeDeclaration(node) { + switch (node.kind) { + case 142: case 222: - case 221: - if (ts.hasModifier(node, 2)) { - break; - } - recordEmittedDeclarationInScope(node); - break; + case 223: + case 224: + case 225: + return true; } } - function visitSourceFile(node) { - currentSourceFile = node; - if (compilerOptions.alwaysStrict) { - node = ts.ensureUseStrict(node); + function isTypeReferenceIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 140) { + node = node.parent; } - if (node.flags & 31744 - && compilerOptions.importHelpers - && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, false, visitor); - var externalHelpersModuleName = ts.createUniqueName(ts.externalHelpersModuleNameText); - var externalHelpersModuleImport = ts.createImportDeclaration(undefined, undefined, ts.createImportClause(undefined, ts.createNamespaceImport(externalHelpersModuleName)), ts.createLiteral(ts.externalHelpersModuleNameText)); - externalHelpersModuleImport.parent = node; - externalHelpersModuleImport.flags &= ~8; - statements.push(externalHelpersModuleImport); - currentSourceFileExternalHelpersModuleName = externalHelpersModuleName; - ts.addRange(statements, ts.visitNodes(node.statements, sourceElementVisitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - currentSourceFileExternalHelpersModuleName = undefined; - node = ts.updateSourceFileNode(node, ts.createNodeArray(statements, node.statements)); - node.externalHelpersModuleName = externalHelpersModuleName; + return node.parent && (node.parent.kind === 156 || node.parent.kind === 267); + } + function isHeritageClauseElementIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 173) { + node = node.parent; } - else { - node = ts.visitEachChild(node, sourceElementVisitor, context); + return node.parent && node.parent.kind === 195; + } + function forEachEnclosingClass(node, callback) { + var result; + while (true) { + node = ts.getContainingClass(node); + if (!node) + break; + if (result = callback(node)) + break; } - ts.setEmitFlags(node, 1 | ts.getEmitFlags(node)); - return node; + return result; } - function shouldEmitDecorateCallForClass(node) { - if (node.decorators && node.decorators.length > 0) { - return true; + function isNodeWithinClass(node, classDeclaration) { + return !!forEachEnclosingClass(node, function (n) { return n === classDeclaration; }); + } + function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { + while (nodeOnRightSide.parent.kind === 140) { + nodeOnRightSide = nodeOnRightSide.parent; } - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - return ts.forEach(constructor.parameters, shouldEmitDecorateCallForParameter); + if (nodeOnRightSide.parent.kind === 230) { + return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; } - return false; + if (nodeOnRightSide.parent.kind === 236) { + return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + } + return undefined; } - function shouldEmitDecorateCallForParameter(parameter) { - return parameter.decorators !== undefined && parameter.decorators.length > 0; + function isInRightSideOfImportOrExportAssignment(node) { + return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; } - function visitClassDeclaration(node) { - var staticProperties = getInitializedProperties(node, true); - var hasExtendsClause = ts.getClassExtendsHeritageClauseElement(node) !== undefined; - var isDecoratedClass = shouldEmitDecorateCallForClass(node); - var classAlias; - var name = node.name; - if (!name && staticProperties.length > 0) { - name = ts.getGeneratedNameForNode(node); + function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { + if (ts.isDeclarationName(entityName)) { + return getSymbolOfNode(entityName.parent); } - var statements = []; - if (!isDecoratedClass) { - var classDeclaration = ts.createClassDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), node); - ts.setOriginalNode(classDeclaration, node); - if (staticProperties.length > 0) { - ts.setEmitFlags(classDeclaration, 1024 | ts.getEmitFlags(classDeclaration)); + if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 173) { + var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); + switch (specialPropertyAssignmentKind) { + case 1: + case 3: + return getSymbolOfNode(entityName.parent); + case 4: + case 2: + return getSymbolOfNode(entityName.parent.parent); + default: } - statements.push(classDeclaration); } - else { - classAlias = addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause); + if (entityName.parent.kind === 236 && ts.isEntityNameExpression(entityName)) { + return resolveEntityName(entityName, 107455 | 793064 | 1920 | 8388608); } - if (staticProperties.length) { - addInitializedPropertyStatements(statements, staticProperties, getLocalName(node, true)); + if (entityName.kind !== 173 && isInRightSideOfImportOrExportAssignment(entityName)) { + var importEqualsDeclaration = ts.getAncestor(entityName, 230); + ts.Debug.assert(importEqualsDeclaration !== undefined); + return getSymbolOfPartOfRightHandSideOfImportEquals(entityName, true); } - addClassElementDecorationStatements(statements, node, false); - addClassElementDecorationStatements(statements, node, true); - addConstructorDecorationStatement(statements, node, classAlias); - if (isNamespaceExport(node)) { - addExportMemberAssignment(statements, node); + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; } - else if (isDecoratedClass) { - if (isDefaultExternalModuleExport(node)) { - statements.push(ts.createExportAssignment(undefined, undefined, false, getLocalName(node))); + if (isHeritageClauseElementIdentifier(entityName)) { + var meaning = 0; + if (entityName.parent.kind === 195) { + meaning = 793064; + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning |= 107455; + } } - else if (isNamedExternalModuleExport(node)) { - statements.push(createExternalModuleExport(name)); + else { + meaning = 1920; } + meaning |= 8388608; + return resolveEntityName(entityName, meaning); } - return statements; - } - function addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause) { - var location = ts.moveRangePastDecorators(node); - var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), location), node); - if (!name) { - name = ts.getGeneratedNameForNode(node); + else if (ts.isPartOfExpression(entityName)) { + if (ts.nodeIsMissing(entityName)) { + return undefined; + } + if (entityName.kind === 70) { + if (ts.isJSXTagName(entityName) && isJsxIntrinsicIdentifier(entityName)) { + return getIntrinsicTagSymbol(entityName.parent); + } + return resolveEntityName(entityName, 107455, false, true); + } + else if (entityName.kind === 173) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkPropertyAccessExpression(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + else if (entityName.kind === 140) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkQualifiedName(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } } - var classAlias; - if (resolver.getNodeCheckFlags(node) & 8388608) { - enableSubstitutionForClassAliases(); - classAlias = ts.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? node.name.text : "default"); - classAliases[ts.getOriginalNodeId(node)] = classAlias; + else if (isTypeReferenceIdentifier(entityName)) { + var meaning = (entityName.parent.kind === 156 || entityName.parent.kind === 267) ? 793064 : 1920; + return resolveEntityName(entityName, meaning, false, true); } - var declaredName = getDeclarationName(node, true); - var transformedClassExpression = ts.createVariableStatement(undefined, ts.createLetDeclarationList([ - ts.createVariableDeclaration(classAlias || declaredName, undefined, classExpression) - ]), location); - ts.setCommentRange(transformedClassExpression, node); - statements.push(ts.setOriginalNode(transformedClassExpression, node)); - if (classAlias) { - statements.push(ts.setOriginalNode(ts.createVariableStatement(undefined, ts.createLetDeclarationList([ - ts.createVariableDeclaration(declaredName, undefined, classAlias) - ]), location), node)); + else if (entityName.parent.kind === 246) { + return getJsxAttributePropertySymbol(entityName.parent); } - return classAlias; + if (entityName.parent.kind === 155) { + return resolveEntityName(entityName, 1); + } + return undefined; } - function visitClassExpression(node) { - var staticProperties = getInitializedProperties(node, true); - var heritageClauses = ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause); - var members = transformClassMembers(node, ts.some(heritageClauses, function (c) { return c.token === 84; })); - var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, node.name, undefined, heritageClauses, members, node), node); - if (staticProperties.length > 0) { - var expressions = []; - var temp = ts.createTempVariable(hoistVariableDeclaration); - if (resolver.getNodeCheckFlags(node) & 8388608) { - enableSubstitutionForClassAliases(); - classAliases[ts.getOriginalNodeId(node)] = ts.getSynthesizedClone(temp); + function getSymbolAtLocation(node) { + if (node.kind === 256) { + return ts.isExternalModule(node) ? getMergedSymbol(node.symbol) : undefined; + } + if (isInsideWithStatementBody(node)) { + return undefined; + } + if (ts.isDeclarationName(node)) { + return getSymbolOfNode(node.parent); + } + else if (ts.isLiteralComputedPropertyDeclarationName(node)) { + return getSymbolOfNode(node.parent.parent); + } + if (node.kind === 70) { + if (isInRightSideOfImportOrExportAssignment(node)) { + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + } + else if (node.parent.kind === 170 && + node.parent.parent.kind === 168 && + node === node.parent.propertyName) { + var typeOfPattern = getTypeOfNode(node.parent.parent); + var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); + if (propertyDeclaration) { + return propertyDeclaration; + } } - ts.setEmitFlags(classExpression, 524288 | ts.getEmitFlags(classExpression)); - expressions.push(ts.startOnNewLine(ts.createAssignment(temp, classExpression))); - ts.addRange(expressions, generateInitializedPropertyExpressions(staticProperties, temp)); - expressions.push(ts.startOnNewLine(temp)); - return ts.inlineExpressions(expressions); } - return classExpression; - } - function transformClassMembers(node, hasExtendsClause) { - var members = []; - var constructor = transformConstructor(node, hasExtendsClause); - if (constructor) { - members.push(constructor); + switch (node.kind) { + case 70: + case 173: + case 140: + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + case 98: + var container = ts.getThisContainer(node, false); + if (ts.isFunctionLike(container)) { + var sig = getSignatureFromDeclaration(container); + if (sig.thisParameter) { + return sig.thisParameter; + } + } + case 96: + var type = ts.isPartOfExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); + return type.symbol; + case 166: + return getTypeFromTypeNode(node).symbol; + case 122: + var constructorDeclaration = node.parent; + if (constructorDeclaration && constructorDeclaration.kind === 149) { + return constructorDeclaration.parent.symbol; + } + return undefined; + case 9: + if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || + ((node.parent.kind === 231 || node.parent.kind === 237) && + node.parent.moduleSpecifier === node)) { + return resolveExternalModuleName(node, node); + } + if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node.parent, false)) { + return resolveExternalModuleName(node, node); + } + case 8: + if (node.parent.kind === 174 && node.parent.argumentExpression === node) { + var objectType = checkExpression(node.parent.expression); + if (objectType === unknownType) + return undefined; + var apparentType = getApparentType(objectType); + if (apparentType === unknownType) + return undefined; + return getPropertyOfType(apparentType, node.text); + } + break; } - ts.addRange(members, ts.visitNodes(node.members, classElementVisitor, ts.isClassElement)); - return ts.createNodeArray(members, node.members); + return undefined; } - function transformConstructor(node, hasExtendsClause) { - var hasInstancePropertyWithInitializer = ts.forEach(node.members, isInstanceInitializedProperty); - var hasParameterPropertyAssignments = node.transformFlags & 524288; - var constructor = ts.getFirstConstructorWithBody(node); - if (!hasInstancePropertyWithInitializer && !hasParameterPropertyAssignments) { - return ts.visitEachChild(constructor, visitor, context); + function getShorthandAssignmentValueSymbol(location) { + if (location && location.kind === 254) { + return resolveEntityName(location.name, 107455 | 8388608); } - var parameters = transformConstructorParameters(constructor); - var body = transformConstructorBody(node, constructor, hasExtendsClause); - return ts.startOnNewLine(ts.setOriginalNode(ts.createConstructor(undefined, undefined, parameters, body, constructor || node), constructor)); + return undefined; } - function transformConstructorParameters(constructor) { - return constructor - ? ts.visitNodes(constructor.parameters, visitor, ts.isParameter) - : []; + function getExportSpecifierLocalTargetSymbol(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920 | 8388608); } - function transformConstructorBody(node, constructor, hasExtendsClause) { - var statements = []; - var indexOfFirstStatement = 0; - startLexicalEnvironment(); - if (constructor) { - indexOfFirstStatement = addPrologueDirectivesAndInitialSuperCall(constructor, statements); - var propertyAssignments = getParametersWithPropertyAssignments(constructor); - ts.addRange(statements, ts.map(propertyAssignments, transformParameterWithPropertyAssignment)); + function getTypeOfNode(node) { + if (isInsideWithStatementBody(node)) { + return unknownType; } - else if (hasExtendsClause) { - statements.push(ts.createStatement(ts.createCall(ts.createSuper(), undefined, [ts.createSpread(ts.createIdentifier("arguments"))]))); + if (ts.isPartOfTypeNode(node)) { + return getTypeFromTypeNode(node); } - var properties = getInitializedProperties(node, false); - addInitializedPropertyStatements(statements, properties, ts.createThis()); - if (constructor) { - ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, indexOfFirstStatement)); + if (ts.isPartOfExpression(node)) { + return getTypeOfExpression(node); } - ts.addRange(statements, endLexicalEnvironment()); - return ts.setMultiLine(ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : undefined), true); - } - function addPrologueDirectivesAndInitialSuperCall(ctor, result) { - if (ctor.body) { - var statements = ctor.body.statements; - var index = ts.addPrologueDirectives(result, statements, false, visitor); - if (index === statements.length) { - return index; - } - var statement = statements[index]; - if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { - result.push(ts.visitNode(statement, visitor, ts.isStatement)); - return index + 1; - } - return index; + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { + return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; } - return 0; - } - function getParametersWithPropertyAssignments(node) { - return ts.filter(node.parameters, isParameterWithPropertyAssignment); + if (isTypeDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getDeclaredTypeOfSymbol(symbol); + } + if (isTypeDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + } + if (ts.isDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getTypeOfSymbol(symbol); + } + if (ts.isDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getTypeOfSymbol(symbol); + } + if (ts.isBindingPattern(node)) { + return getTypeForVariableLikeDeclaration(node.parent, true); + } + if (isInRightSideOfImportOrExportAssignment(node)) { + var symbol = getSymbolAtLocation(node); + var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); + return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + } + return unknownType; } - function isParameterWithPropertyAssignment(parameter) { - return ts.hasModifier(parameter, 92) - && ts.isIdentifier(parameter.name); + function getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr) { + ts.Debug.assert(expr.kind === 172 || expr.kind === 171); + if (expr.parent.kind === 209) { + var iteratedType = checkRightHandSideOfForOf(expr.parent.expression); + return checkDestructuringAssignment(expr, iteratedType || unknownType); + } + if (expr.parent.kind === 188) { + var iteratedType = checkExpression(expr.parent.right); + return checkDestructuringAssignment(expr, iteratedType || unknownType); + } + if (expr.parent.kind === 253) { + var typeOfParentObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent.parent); + return checkObjectLiteralDestructuringPropertyAssignment(typeOfParentObjectLiteral || unknownType, expr.parent); + } + ts.Debug.assert(expr.parent.kind === 171); + var typeOfArrayLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent); + var elementType = checkIteratedTypeOrElementType(typeOfArrayLiteral || unknownType, expr.parent, false) || unknownType; + return checkArrayLiteralDestructuringElementAssignment(expr.parent, typeOfArrayLiteral, ts.indexOf(expr.parent.elements, expr), elementType || unknownType); } - function transformParameterWithPropertyAssignment(node) { - ts.Debug.assert(ts.isIdentifier(node.name)); - var name = node.name; - var propertyName = ts.getMutableClone(name); - ts.setEmitFlags(propertyName, 49152 | 1536); - var localName = ts.getMutableClone(name); - ts.setEmitFlags(localName, 49152); - return ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createThis(), propertyName, node.name), localName), ts.moveRangePos(node, -1))); + function getPropertySymbolOfDestructuringAssignment(location) { + var typeOfObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(location.parent.parent); + return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.text); } - function getInitializedProperties(node, isStatic) { - return ts.filter(node.members, isStatic ? isStaticInitializedProperty : isInstanceInitializedProperty); + function getTypeOfExpression(expr) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { + expr = expr.parent; + } + return getRegularTypeOfLiteralType(checkExpression(expr)); } - function isStaticInitializedProperty(member) { - return isInitializedProperty(member, true); + function getParentTypeOfClassElement(node) { + var classSymbol = getSymbolOfNode(node.parent); + return ts.getModifierFlags(node) & 32 + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); } - function isInstanceInitializedProperty(member) { - return isInitializedProperty(member, false); + function getAugmentedPropertiesOfType(type) { + type = getApparentType(type); + var propsByName = createSymbolTable(getPropertiesOfType(type)); + if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { + ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { + if (!propsByName[p.name]) { + propsByName[p.name] = p; + } + }); + } + return getNamedMembers(propsByName); } - function isInitializedProperty(member, isStatic) { - return member.kind === 146 - && isStatic === ts.hasModifier(member, 32) - && member.initializer !== undefined; + function getRootSymbols(symbol) { + if (symbol.flags & 268435456) { + var symbols_3 = []; + var name_26 = symbol.name; + ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { + var symbol = getPropertyOfType(t, name_26); + if (symbol) { + symbols_3.push(symbol); + } + }); + return symbols_3; + } + else if (symbol.flags & 67108864) { + var target = void 0; + var next = symbol; + while (next = getSymbolLinks(next).target) { + target = next; + } + if (target) { + return [target]; + } + } + return [symbol]; } - function addInitializedPropertyStatements(statements, properties, receiver) { - for (var _i = 0, properties_7 = properties; _i < properties_7.length; _i++) { - var property = properties_7[_i]; - var statement = ts.createStatement(transformInitializedProperty(property, receiver)); - ts.setSourceMapRange(statement, ts.moveRangePastModifiers(property)); - ts.setCommentRange(statement, property); - statements.push(statement); + function isArgumentsLocalBinding(node) { + if (!ts.isGeneratedIdentifier(node)) { + node = ts.getParseTreeNode(node, ts.isIdentifier); + if (node) { + return getReferencedValueSymbol(node) === argumentsSymbol; + } } + return false; } - function generateInitializedPropertyExpressions(properties, receiver) { - var expressions = []; - for (var _i = 0, properties_8 = properties; _i < properties_8.length; _i++) { - var property = properties_8[_i]; - var expression = transformInitializedProperty(property, receiver); - expression.startsOnNewLine = true; - ts.setSourceMapRange(expression, ts.moveRangePastModifiers(property)); - ts.setCommentRange(expression, property); - expressions.push(expression); + function moduleExportsSomeValue(moduleReferenceExpression) { + var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); + if (!moduleSymbol || ts.isShorthandAmbientModuleSymbol(moduleSymbol)) { + return true; + } + var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + var symbolLinks = getSymbolLinks(moduleSymbol); + if (symbolLinks.exportsSomeValue === undefined) { + symbolLinks.exportsSomeValue = hasExportAssignment + ? !!(moduleSymbol.flags & 107455) + : ts.forEachProperty(getExportsOfModule(moduleSymbol), isValue); + } + return symbolLinks.exportsSomeValue; + function isValue(s) { + s = resolveSymbol(s); + return s && !!(s.flags & 107455); } - return expressions; - } - function transformInitializedProperty(property, receiver) { - var propertyName = visitPropertyNameOfClassElement(property); - var initializer = ts.visitNode(property.initializer, visitor, ts.isExpression); - var memberAccess = ts.createMemberAccessForPropertyName(receiver, propertyName, propertyName); - return ts.createAssignment(memberAccess, initializer); - } - function getDecoratedClassElements(node, isStatic) { - return ts.filter(node.members, isStatic ? isStaticDecoratedClassElement : isInstanceDecoratedClassElement); - } - function isStaticDecoratedClassElement(member) { - return isDecoratedClassElement(member, true); - } - function isInstanceDecoratedClassElement(member) { - return isDecoratedClassElement(member, false); } - function isDecoratedClassElement(member, isStatic) { - return ts.nodeOrChildIsDecorated(member) - && isStatic === ts.hasModifier(member, 32); + function isNameOfModuleOrEnumDeclaration(node) { + var parent = node.parent; + return ts.isModuleOrEnumDeclaration(parent) && node === parent.name; } - function getDecoratorsOfParameters(node) { - var decorators; + function getReferencedExportContainer(node, prefixLocals) { + node = ts.getParseTreeNode(node, ts.isIdentifier); if (node) { - var parameters = node.parameters; - for (var i = 0; i < parameters.length; i++) { - var parameter = parameters[i]; - if (decorators || parameter.decorators) { - if (!decorators) { - decorators = new Array(parameters.length); + var symbol = getReferencedValueSymbol(node, isNameOfModuleOrEnumDeclaration(node)); + if (symbol) { + if (symbol.flags & 1048576) { + var exportSymbol = getMergedSymbol(symbol.exportSymbol); + if (!prefixLocals && exportSymbol.flags & 944) { + return undefined; + } + symbol = exportSymbol; + } + var parentSymbol = getParentOfSymbol(symbol); + if (parentSymbol) { + if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 256) { + var symbolFile = parentSymbol.valueDeclaration; + var referenceFile = ts.getSourceFileOfNode(node); + var symbolIsUmdExport = symbolFile !== referenceFile; + return symbolIsUmdExport ? undefined : symbolFile; + } + for (var n = node.parent; n; n = n.parent) { + if (ts.isModuleOrEnumDeclaration(n) && getSymbolOfNode(n) === parentSymbol) { + return n; + } } - decorators[i] = parameter.decorators; } } } - return decorators; } - function getAllDecoratorsOfConstructor(node) { - var decorators = node.decorators; - var parameters = getDecoratorsOfParameters(ts.getFirstConstructorWithBody(node)); - if (!decorators && !parameters) { - return undefined; + function getReferencedImportDeclaration(node) { + node = ts.getParseTreeNode(node, ts.isIdentifier); + if (node) { + var symbol = getReferencedValueSymbol(node); + if (symbol && symbol.flags & 8388608) { + return getDeclarationOfAliasSymbol(symbol); + } } - return { - decorators: decorators, - parameters: parameters - }; + return undefined; } - function getAllDecoratorsOfClassElement(node, member) { - switch (member.kind) { - case 150: - case 151: - return getAllDecoratorsOfAccessors(node, member); - case 148: - return getAllDecoratorsOfMethod(member); - case 146: - return getAllDecoratorsOfProperty(member); - default: - return undefined; + function isSymbolOfDeclarationWithCollidingName(symbol) { + if (symbol.flags & 418) { + var links = getSymbolLinks(symbol); + if (links.isDeclarationWithCollidingName === undefined) { + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (ts.isStatementWithLocals(container)) { + var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); + if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { + links.isDeclarationWithCollidingName = true; + } + else if (nodeLinks_1.flags & 131072) { + var isDeclaredInLoop = nodeLinks_1.flags & 262144; + var inLoopInitializer = ts.isIterationStatement(container, false); + var inLoopBodyBlock = container.kind === 200 && ts.isIterationStatement(container.parent, false); + links.isDeclarationWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); + } + else { + links.isDeclarationWithCollidingName = false; + } + } + } + return links.isDeclarationWithCollidingName; } + return false; } - function getAllDecoratorsOfAccessors(node, accessor) { - if (!accessor.body) { - return undefined; - } - var _a = ts.getAllAccessorDeclarations(node.members, accessor), firstAccessor = _a.firstAccessor, secondAccessor = _a.secondAccessor, setAccessor = _a.setAccessor; - if (accessor !== firstAccessor) { - return undefined; + function getReferencedDeclarationWithCollidingName(node) { + if (!ts.isGeneratedIdentifier(node)) { + node = ts.getParseTreeNode(node, ts.isIdentifier); + if (node) { + var symbol = getReferencedValueSymbol(node); + if (symbol && isSymbolOfDeclarationWithCollidingName(symbol)) { + return symbol.valueDeclaration; + } + } } - var decorators = firstAccessor.decorators || (secondAccessor && secondAccessor.decorators); - var parameters = getDecoratorsOfParameters(setAccessor); - if (!decorators && !parameters) { - return undefined; + return undefined; + } + function isDeclarationWithCollidingName(node) { + node = ts.getParseTreeNode(node, ts.isDeclaration); + if (node) { + var symbol = getSymbolOfNode(node); + if (symbol) { + return isSymbolOfDeclarationWithCollidingName(symbol); + } } - return { decorators: decorators, parameters: parameters }; + return false; } - function getAllDecoratorsOfMethod(method) { - if (!method.body) { - return undefined; + function isValueAliasDeclaration(node) { + node = ts.getParseTreeNode(node); + if (node === undefined) { + return true; } - var decorators = method.decorators; - var parameters = getDecoratorsOfParameters(method); - if (!decorators && !parameters) { - return undefined; + switch (node.kind) { + case 230: + case 232: + case 233: + case 235: + case 239: + return isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol); + case 237: + var exportClause = node.exportClause; + return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); + case 236: + return node.expression + && node.expression.kind === 70 + ? isAliasResolvedToValue(getSymbolOfNode(node) || unknownSymbol) + : true; } - return { decorators: decorators, parameters: parameters }; + return false; } - function getAllDecoratorsOfProperty(property) { - var decorators = property.decorators; - if (!decorators) { - return undefined; + function isTopLevelValueImportEqualsWithEntityName(node) { + node = ts.getParseTreeNode(node, ts.isImportEqualsDeclaration); + if (node === undefined || node.parent.kind !== 256 || !ts.isInternalModuleImportEqualsDeclaration(node)) { + return false; } - return { decorators: decorators }; + var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); + return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); } - function transformAllDecoratorsOfDeclaration(node, allDecorators) { - if (!allDecorators) { - return undefined; + function isAliasResolvedToValue(symbol) { + var target = resolveAlias(symbol); + if (target === unknownSymbol) { + return true; } - var decoratorExpressions = []; - ts.addRange(decoratorExpressions, ts.map(allDecorators.decorators, transformDecorator)); - ts.addRange(decoratorExpressions, ts.flatMap(allDecorators.parameters, transformDecoratorsOfParameter)); - addTypeMetadata(node, decoratorExpressions); - return decoratorExpressions; + return target.flags & 107455 && + (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); } - function addClassElementDecorationStatements(statements, node, isStatic) { - ts.addRange(statements, ts.map(generateClassElementDecorationExpressions(node, isStatic), expressionToStatement)); + function isConstEnumOrConstEnumOnlyModule(s) { + return isConstEnumSymbol(s) || s.constEnumOnlyModule; } - function generateClassElementDecorationExpressions(node, isStatic) { - var members = getDecoratedClassElements(node, isStatic); - var expressions; - for (var _i = 0, members_2 = members; _i < members_2.length; _i++) { - var member = members_2[_i]; - var expression = generateClassElementDecorationExpression(node, member); - if (expression) { - if (!expressions) { - expressions = [expression]; - } - else { - expressions.push(expression); - } + function isReferencedAliasDeclaration(node, checkChildren) { + node = ts.getParseTreeNode(node); + if (node === undefined) { + return true; + } + if (ts.isAliasSymbolDeclaration(node)) { + var symbol = getSymbolOfNode(node); + if (symbol && getSymbolLinks(symbol).referenced) { + return true; } } - return expressions; - } - function generateClassElementDecorationExpression(node, member) { - var allDecorators = getAllDecoratorsOfClassElement(node, member); - var decoratorExpressions = transformAllDecoratorsOfDeclaration(member, allDecorators); - if (!decoratorExpressions) { - return undefined; + if (checkChildren) { + return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); } - var prefix = getClassMemberPrefix(node, member); - var memberName = getExpressionForPropertyName(member, true); - var descriptor = languageVersion > 0 - ? member.kind === 146 - ? ts.createVoidZero() - : ts.createNull() - : undefined; - var helper = ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, prefix, memberName, descriptor, ts.moveRangePastDecorators(member)); - ts.setEmitFlags(helper, 49152); - return helper; + return false; } - function addConstructorDecorationStatement(statements, node, decoratedClassAlias) { - var expression = generateConstructorDecorationExpression(node, decoratedClassAlias); - if (expression) { - statements.push(ts.setOriginalNode(ts.createStatement(expression), node)); + function isImplementationOfOverload(node) { + if (ts.nodeIsPresent(node.body)) { + var symbol = getSymbolOfNode(node); + var signaturesOfSymbol = getSignaturesOfSymbol(symbol); + return signaturesOfSymbol.length > 1 || + (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); } + return false; } - function generateConstructorDecorationExpression(node, decoratedClassAlias) { - var allDecorators = getAllDecoratorsOfConstructor(node); - var decoratorExpressions = transformAllDecoratorsOfDeclaration(node, allDecorators); - if (!decoratorExpressions) { - return undefined; - } - if (decoratedClassAlias) { - var expression = ts.createAssignment(decoratedClassAlias, ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node))); - var result = ts.createAssignment(getDeclarationName(node), expression, ts.moveRangePastDecorators(node)); - ts.setEmitFlags(result, 49152); - return result; - } - else { - var result = ts.createAssignment(getDeclarationName(node), ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node)), ts.moveRangePastDecorators(node)); - ts.setEmitFlags(result, 49152); - return result; - } + function getNodeCheckFlags(node) { + node = ts.getParseTreeNode(node); + return node ? getNodeLinks(node).flags : undefined; } - function transformDecorator(decorator) { - return ts.visitNode(decorator.expression, visitor, ts.isExpression); + function getEnumMemberValue(node) { + computeEnumMemberValues(node.parent); + return getNodeLinks(node).enumMemberValue; } - function transformDecoratorsOfParameter(decorators, parameterOffset) { - var expressions; - if (decorators) { - expressions = []; - for (var _i = 0, decorators_1 = decorators; _i < decorators_1.length; _i++) { - var decorator = decorators_1[_i]; - var helper = ts.createParamHelper(currentSourceFileExternalHelpersModuleName, transformDecorator(decorator), parameterOffset, decorator.expression); - ts.setEmitFlags(helper, 49152); - expressions.push(helper); + function getConstantValue(node) { + if (node.kind === 255) { + return getEnumMemberValue(node); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol && (symbol.flags & 8)) { + if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { + return getEnumMemberValue(symbol.valueDeclaration); } } - return expressions; + return undefined; } - function addTypeMetadata(node, decoratorExpressions) { - if (USE_NEW_TYPE_METADATA_FORMAT) { - addNewTypeMetadata(node, decoratorExpressions); + function isFunctionType(type) { + return type.flags & 32768 && getSignaturesOfType(type, 0).length > 0; + } + function getTypeReferenceSerializationKind(typeName, location) { + var valueSymbol = resolveEntityName(typeName, 107455, true, false, location); + var globalPromiseSymbol = tryGetGlobalPromiseConstructorSymbol(); + if (globalPromiseSymbol && valueSymbol === globalPromiseSymbol) { + return ts.TypeReferenceSerializationKind.Promise; + } + var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; + if (constructorType && isConstructorType(constructorType)) { + return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + } + var typeSymbol = resolveEntityName(typeName, 793064, true, false, location); + if (!typeSymbol) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + var type = getDeclaredTypeOfSymbol(typeSymbol); + if (type === unknownType) { + return ts.TypeReferenceSerializationKind.Unknown; + } + else if (type.flags & 1) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + else if (isTypeOfKind(type, 1024 | 6144 | 8192)) { + return ts.TypeReferenceSerializationKind.VoidNullableOrNeverType; + } + else if (isTypeOfKind(type, 136)) { + return ts.TypeReferenceSerializationKind.BooleanType; + } + else if (isTypeOfKind(type, 340)) { + return ts.TypeReferenceSerializationKind.NumberLikeType; + } + else if (isTypeOfKind(type, 34)) { + return ts.TypeReferenceSerializationKind.StringLikeType; + } + else if (isTupleType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else if (isTypeOfKind(type, 512)) { + return ts.TypeReferenceSerializationKind.ESSymbolType; + } + else if (isFunctionType(type)) { + return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + } + else if (isArrayType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; } else { - addOldTypeMetadata(node, decoratorExpressions); + return ts.TypeReferenceSerializationKind.ObjectType; } } - function addOldTypeMetadata(node, decoratorExpressions) { - if (compilerOptions.emitDecoratorMetadata) { - if (shouldAddTypeMetadata(node)) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:type", serializeTypeOfNode(node))); - } - if (shouldAddParamTypesMetadata(node)) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:paramtypes", serializeParameterTypesOfNode(node))); - } - if (shouldAddReturnTypeMetadata(node)) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:returntype", serializeReturnTypeOfNode(node))); + function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { + var symbol = getSymbolOfNode(declaration); + var type = symbol && !(symbol.flags & (2048 | 131072)) + ? getWidenedLiteralType(getTypeOfSymbol(symbol)) + : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { + var signature = getSignatureFromDeclaration(signatureDeclaration); + getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); + } + function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { + var type = getWidenedType(getTypeOfExpression(expr)); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeBaseConstructorTypeOfClass(node, enclosingDeclaration, flags, writer) { + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(node)); + resolveBaseTypesOfClass(classType); + var baseType = classType.resolvedBaseTypes.length ? classType.resolvedBaseTypes[0] : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(baseType, writer, enclosingDeclaration, flags); + } + function hasGlobalName(name) { + return !!globals[name]; + } + function getReferencedValueSymbol(reference, startInDeclarationContainer) { + var resolvedSymbol = getNodeLinks(reference).resolvedSymbol; + if (resolvedSymbol) { + return resolvedSymbol; + } + var location = reference; + if (startInDeclarationContainer) { + var parent_14 = reference.parent; + if (ts.isDeclaration(parent_14) && reference === parent_14.name) { + location = getDeclarationContainer(parent_14); } } + return resolveName(location, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); } - function addNewTypeMetadata(node, decoratorExpressions) { - if (compilerOptions.emitDecoratorMetadata) { - var properties = void 0; - if (shouldAddTypeMetadata(node)) { - (properties || (properties = [])).push(ts.createPropertyAssignment("type", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeTypeOfNode(node)))); - } - if (shouldAddParamTypesMetadata(node)) { - (properties || (properties = [])).push(ts.createPropertyAssignment("paramTypes", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeParameterTypesOfNode(node)))); - } - if (shouldAddReturnTypeMetadata(node)) { - (properties || (properties = [])).push(ts.createPropertyAssignment("returnType", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeReturnTypeOfNode(node)))); - } - if (properties) { - decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:typeinfo", ts.createObjectLiteral(properties, undefined, true))); + function getReferencedValueDeclaration(reference) { + if (!ts.isGeneratedIdentifier(reference)) { + reference = ts.getParseTreeNode(reference, ts.isIdentifier); + if (reference) { + var symbol = getReferencedValueSymbol(reference); + if (symbol) { + return getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + } } } + return undefined; } - function shouldAddTypeMetadata(node) { - var kind = node.kind; - return kind === 148 - || kind === 150 - || kind === 151 - || kind === 146; - } - function shouldAddReturnTypeMetadata(node) { - return node.kind === 148; + function isLiteralConstDeclaration(node) { + if (ts.isConst(node)) { + var type = getTypeOfSymbol(getSymbolOfNode(node)); + return !!(type.flags & 96 && type.flags & 262144); + } + return false; } - function shouldAddParamTypesMetadata(node) { - var kind = node.kind; - return kind === 222 - || kind === 193 - || kind === 148 - || kind === 150 - || kind === 151; + function writeLiteralConstValue(node, writer) { + var type = getTypeOfSymbol(getSymbolOfNode(node)); + writer.writeStringLiteral(literalTypeToString(type)); } - function serializeTypeOfNode(node) { - switch (node.kind) { - case 146: - case 143: - case 150: - return serializeTypeNode(node.type); - case 151: - return serializeTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); - case 222: - case 193: - case 148: - return ts.createIdentifier("Function"); - default: - return ts.createVoidZero(); + function createResolver() { + var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives(); + var fileToDirective; + if (resolvedTypeReferenceDirectives) { + fileToDirective = ts.createFileMap(); + for (var key in resolvedTypeReferenceDirectives) { + var resolvedDirective = resolvedTypeReferenceDirectives[key]; + if (!resolvedDirective) { + continue; + } + var file = host.getSourceFile(resolvedDirective.resolvedFileName); + fileToDirective.set(file.path, key); + } } - } - function getRestParameterElementType(node) { - if (node && node.kind === 161) { - return node.elementType; + return { + getReferencedExportContainer: getReferencedExportContainer, + getReferencedImportDeclaration: getReferencedImportDeclaration, + getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, + isDeclarationWithCollidingName: isDeclarationWithCollidingName, + isValueAliasDeclaration: isValueAliasDeclaration, + hasGlobalName: hasGlobalName, + isReferencedAliasDeclaration: isReferencedAliasDeclaration, + getNodeCheckFlags: getNodeCheckFlags, + isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, + isDeclarationVisible: isDeclarationVisible, + isImplementationOfOverload: isImplementationOfOverload, + writeTypeOfDeclaration: writeTypeOfDeclaration, + writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, + writeTypeOfExpression: writeTypeOfExpression, + writeBaseConstructorTypeOfClass: writeBaseConstructorTypeOfClass, + isSymbolAccessible: isSymbolAccessible, + isEntityNameVisible: isEntityNameVisible, + getConstantValue: getConstantValue, + collectLinkedAliases: collectLinkedAliases, + getReferencedValueDeclaration: getReferencedValueDeclaration, + getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, + isOptionalParameter: isOptionalParameter, + moduleExportsSomeValue: moduleExportsSomeValue, + isArgumentsLocalBinding: isArgumentsLocalBinding, + getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration, + getTypeReferenceDirectivesForEntityName: getTypeReferenceDirectivesForEntityName, + getTypeReferenceDirectivesForSymbol: getTypeReferenceDirectivesForSymbol, + isLiteralConstDeclaration: isLiteralConstDeclaration, + writeLiteralConstValue: writeLiteralConstValue + }; + function getTypeReferenceDirectivesForEntityName(node) { + if (!fileToDirective) { + return undefined; + } + var meaning = (node.kind === 173) || (node.kind === 70 && isInTypeQuery(node)) + ? 107455 | 1048576 + : 793064 | 1920; + var symbol = resolveEntityName(node, meaning, true); + return symbol && symbol !== unknownSymbol ? getTypeReferenceDirectivesForSymbol(symbol, meaning) : undefined; + } + function getTypeReferenceDirectivesForSymbol(symbol, meaning) { + if (!fileToDirective) { + return undefined; + } + if (!isSymbolFromTypeDeclarationFile(symbol)) { + return undefined; + } + var typeReferenceDirectives; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + if (decl.symbol && decl.symbol.flags & meaning) { + var file = ts.getSourceFileOfNode(decl); + var typeReferenceDirective = fileToDirective.get(file.path); + if (typeReferenceDirective) { + (typeReferenceDirectives || (typeReferenceDirectives = [])).push(typeReferenceDirective); + } + } + } + return typeReferenceDirectives; } - else if (node && node.kind === 156) { - return ts.singleOrUndefined(node.typeArguments); + function isSymbolFromTypeDeclarationFile(symbol) { + if (!symbol.declarations) { + return false; + } + var current = symbol; + while (true) { + var parent_15 = getParentOfSymbol(current); + if (parent_15) { + current = parent_15; + } + else { + break; + } + } + if (current.valueDeclaration && current.valueDeclaration.kind === 256 && current.flags & 512) { + return false; + } + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var file = ts.getSourceFileOfNode(decl); + if (fileToDirective.contains(file.path)) { + return true; + } + } + return false; } - else { + } + function getExternalModuleFileFromDeclaration(declaration) { + var specifier = ts.getExternalModuleName(declaration); + var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); + if (!moduleSymbol) { return undefined; } + return ts.getDeclarationOfKind(moduleSymbol, 256); } - function serializeParameterTypesOfNode(node) { - var valueDeclaration = ts.isClassLike(node) - ? ts.getFirstConstructorWithBody(node) - : ts.isFunctionLike(node) && ts.nodeIsPresent(node.body) - ? node - : undefined; - var expressions = []; - if (valueDeclaration) { - var parameters = valueDeclaration.parameters; - var numParameters = parameters.length; - for (var i = 0; i < numParameters; i++) { - var parameter = parameters[i]; - if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.text === "this") { - continue; - } - if (parameter.dotDotDotToken) { - expressions.push(serializeTypeNode(getRestParameterElementType(parameter.type))); + function initializeTypeChecker() { + for (var _i = 0, _a = host.getSourceFiles(); _i < _a.length; _i++) { + var file = _a[_i]; + ts.bindSourceFile(file, compilerOptions); + } + var augmentations; + var requestedExternalEmitHelpers = 0; + var firstFileRequestingExternalHelpers; + for (var _b = 0, _c = host.getSourceFiles(); _b < _c.length; _b++) { + var file = _c[_b]; + if (!ts.isExternalOrCommonJsModule(file)) { + mergeSymbolTable(globals, file.locals); + } + if (file.patternAmbientModules && file.patternAmbientModules.length) { + patternAmbientModules = ts.concatenate(patternAmbientModules, file.patternAmbientModules); + } + if (file.moduleAugmentations.length) { + (augmentations || (augmentations = [])).push(file.moduleAugmentations); + } + if (file.symbol && file.symbol.globalExports) { + var source = file.symbol.globalExports; + for (var id in source) { + if (!(id in globals)) { + globals[id] = source[id]; + } } - else { - expressions.push(serializeTypeOfNode(parameter)); + } + if ((compilerOptions.isolatedModules || ts.isExternalModule(file)) && !file.isDeclarationFile) { + var fileRequestedExternalEmitHelpers = file.flags & 31744; + if (fileRequestedExternalEmitHelpers) { + requestedExternalEmitHelpers |= fileRequestedExternalEmitHelpers; + if (firstFileRequestingExternalHelpers === undefined) { + firstFileRequestingExternalHelpers = file; + } } } } - return ts.createArrayLiteral(expressions); - } - function serializeReturnTypeOfNode(node) { - if (ts.isFunctionLike(node) && node.type) { - return serializeTypeNode(node.type); + if (augmentations) { + for (var _d = 0, augmentations_1 = augmentations; _d < augmentations_1.length; _d++) { + var list = augmentations_1[_d]; + for (var _e = 0, list_1 = list; _e < list_1.length; _e++) { + var augmentation = list_1[_e]; + mergeModuleAugmentation(augmentation); + } + } } - else if (ts.isAsyncFunctionLike(node)) { - return ts.createIdentifier("Promise"); + addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); + getSymbolLinks(undefinedSymbol).type = undefinedWideningType; + getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); + getSymbolLinks(unknownSymbol).type = unknownType; + globalArrayType = getGlobalType("Array", 1); + globalObjectType = getGlobalType("Object"); + globalFunctionType = getGlobalType("Function"); + globalStringType = getGlobalType("String"); + globalNumberType = getGlobalType("Number"); + globalBooleanType = getGlobalType("Boolean"); + globalRegExpType = getGlobalType("RegExp"); + jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); + getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); + getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); + getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); + getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); + getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); + getGlobalESSymbolConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Symbol"); }); + getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); + tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793064, undefined) && getGlobalPromiseType(); }); + getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); + getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); + getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); + tryGetGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalSymbol("Promise", 107455, undefined) && getGlobalPromiseConstructorSymbol(); }); + getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); + getGlobalThenableType = ts.memoize(createThenableType); + getGlobalTemplateStringsArrayType = ts.memoize(function () { return getGlobalType("TemplateStringsArray"); }); + if (languageVersion >= 2) { + getGlobalESSymbolType = ts.memoize(function () { return getGlobalType("Symbol"); }); + getGlobalIterableType = ts.memoize(function () { return getGlobalType("Iterable", 1); }); + getGlobalIteratorType = ts.memoize(function () { return getGlobalType("Iterator", 1); }); + getGlobalIterableIteratorType = ts.memoize(function () { return getGlobalType("IterableIterator", 1); }); } - return ts.createVoidZero(); - } - function serializeTypeNode(node) { - if (node === undefined) { - return ts.createIdentifier("Object"); + else { + getGlobalESSymbolType = ts.memoize(function () { return emptyObjectType; }); + getGlobalIterableType = ts.memoize(function () { return emptyGenericType; }); + getGlobalIteratorType = ts.memoize(function () { return emptyGenericType; }); + getGlobalIterableIteratorType = ts.memoize(function () { return emptyGenericType; }); } - switch (node.kind) { - case 104: - return ts.createVoidZero(); - case 165: - return serializeTypeNode(node.type); - case 157: - case 158: - return ts.createIdentifier("Function"); - case 161: - case 162: - return ts.createIdentifier("Array"); - case 155: - case 121: - return ts.createIdentifier("Boolean"); - case 133: - return ts.createIdentifier("String"); - case 167: - switch (node.literal.kind) { - case 9: - return ts.createIdentifier("String"); - case 8: - return ts.createIdentifier("Number"); - case 100: - case 85: - return ts.createIdentifier("Boolean"); - default: - ts.Debug.failBadSyntaxKind(node.literal); - break; + anyArrayType = createArrayType(anyType); + autoArrayType = createArrayType(autoType); + var symbol = getGlobalSymbol("ReadonlyArray", 793064, undefined); + globalReadonlyArrayType = symbol && getTypeOfGlobalSymbol(symbol, 1); + anyReadonlyArrayType = globalReadonlyArrayType ? createTypeFromGenericGlobalType(globalReadonlyArrayType, [anyType]) : anyArrayType; + if (compilerOptions.importHelpers && firstFileRequestingExternalHelpers) { + var helpersModule = resolveExternalModule(firstFileRequestingExternalHelpers, ts.externalHelpersModuleNameText, ts.Diagnostics.Cannot_find_module_0, undefined); + if (helpersModule) { + var exports_2 = helpersModule.exports; + if (requestedExternalEmitHelpers & 1024 && languageVersion < 2) { + verifyHelperSymbol(exports_2, "__extends", 107455); } - break; - case 131: - return ts.createIdentifier("Number"); - case 134: - return languageVersion < 2 - ? getGlobalSymbolNameWithFallback() - : ts.createIdentifier("Symbol"); - case 156: - return serializeTypeReferenceNode(node); - case 164: - case 163: - { - var unionOrIntersection = node; - var serializedUnion = void 0; - for (var _i = 0, _a = unionOrIntersection.types; _i < _a.length; _i++) { - var typeNode = _a[_i]; - var serializedIndividual = serializeTypeNode(typeNode); - if (serializedIndividual.kind !== 70) { - serializedUnion = undefined; - break; - } - if (serializedIndividual.text === "Object") { - return serializedIndividual; - } - if (serializedUnion && serializedUnion.text !== serializedIndividual.text) { - serializedUnion = undefined; - break; - } - serializedUnion = serializedIndividual; + if (requestedExternalEmitHelpers & 16384 && compilerOptions.jsx !== 1) { + verifyHelperSymbol(exports_2, "__assign", 107455); + } + if (requestedExternalEmitHelpers & 2048) { + verifyHelperSymbol(exports_2, "__decorate", 107455); + if (compilerOptions.emitDecoratorMetadata) { + verifyHelperSymbol(exports_2, "__metadata", 107455); } - if (serializedUnion) { - return serializedUnion; + } + if (requestedExternalEmitHelpers & 4096) { + verifyHelperSymbol(exports_2, "__param", 107455); + } + if (requestedExternalEmitHelpers & 8192) { + verifyHelperSymbol(exports_2, "__awaiter", 107455); + if (languageVersion < 2) { + verifyHelperSymbol(exports_2, "__generator", 107455); } } - case 159: - case 160: - case 118: - case 166: - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; + } } - return ts.createIdentifier("Object"); } - function serializeTypeReferenceNode(node) { - switch (resolver.getTypeReferenceSerializationKind(node.typeName, currentScope)) { - case ts.TypeReferenceSerializationKind.Unknown: - var serialized = serializeEntityNameAsExpression(node.typeName, true); - var temp = ts.createTempVariable(hoistVariableDeclaration); - return ts.createLogicalOr(ts.createLogicalAnd(ts.createStrictEquality(ts.createTypeOf(ts.createAssignment(temp, serialized)), ts.createLiteral("function")), temp), ts.createIdentifier("Object")); - case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: - return serializeEntityNameAsExpression(node.typeName, false); - case ts.TypeReferenceSerializationKind.VoidNullableOrNeverType: - return ts.createVoidZero(); - case ts.TypeReferenceSerializationKind.BooleanType: - return ts.createIdentifier("Boolean"); - case ts.TypeReferenceSerializationKind.NumberLikeType: - return ts.createIdentifier("Number"); - case ts.TypeReferenceSerializationKind.StringLikeType: - return ts.createIdentifier("String"); - case ts.TypeReferenceSerializationKind.ArrayLikeType: - return ts.createIdentifier("Array"); - case ts.TypeReferenceSerializationKind.ESSymbolType: - return languageVersion < 2 - ? getGlobalSymbolNameWithFallback() - : ts.createIdentifier("Symbol"); - case ts.TypeReferenceSerializationKind.TypeWithCallSignature: - return ts.createIdentifier("Function"); - case ts.TypeReferenceSerializationKind.Promise: - return ts.createIdentifier("Promise"); - case ts.TypeReferenceSerializationKind.ObjectType: - default: - return ts.createIdentifier("Object"); + function verifyHelperSymbol(symbols, name, meaning) { + var symbol = getSymbol(symbols, ts.escapeIdentifier(name), meaning); + if (!symbol) { + error(undefined, ts.Diagnostics.Module_0_has_no_exported_member_1, ts.externalHelpersModuleNameText, name); } } - function serializeEntityNameAsExpression(node, useFallback) { - switch (node.kind) { - case 70: - var name_27 = ts.getMutableClone(node); - name_27.flags &= ~8; - name_27.original = undefined; - name_27.parent = currentScope; - if (useFallback) { - return ts.createLogicalAnd(ts.createStrictInequality(ts.createTypeOf(name_27), ts.createLiteral("undefined")), name_27); - } - return name_27; - case 140: - return serializeQualifiedNameAsExpression(node, useFallback); + function createInstantiatedPromiseLikeType() { + var promiseLikeType = getGlobalPromiseLikeType(); + if (promiseLikeType !== emptyGenericType) { + return createTypeReference(promiseLikeType, [anyType]); } + return emptyObjectType; } - function serializeQualifiedNameAsExpression(node, useFallback) { - var left; - if (node.left.kind === 70) { - left = serializeEntityNameAsExpression(node.left, useFallback); + function createThenableType() { + var thenPropertySymbol = createSymbol(67108864 | 4, "then"); + getSymbolLinks(thenPropertySymbol).type = globalFunctionType; + var thenableType = createObjectType(16); + thenableType.properties = [thenPropertySymbol]; + thenableType.members = createSymbolTable(thenableType.properties); + thenableType.callSignatures = []; + thenableType.constructSignatures = []; + return thenableType; + } + function checkGrammarDecorators(node) { + if (!node.decorators) { + return false; } - else if (useFallback) { - var temp = ts.createTempVariable(hoistVariableDeclaration); - left = ts.createLogicalAnd(ts.createAssignment(temp, serializeEntityNameAsExpression(node.left, true)), temp); + if (!ts.nodeCanBeDecorated(node)) { + if (node.kind === 148 && !ts.nodeIsPresent(node.body)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); + } } - else { - left = serializeEntityNameAsExpression(node.left, false); + else if (node.kind === 150 || node.kind === 151) { + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + } } - return ts.createPropertyAccess(left, node.right); - } - function getGlobalSymbolNameWithFallback() { - return ts.createConditional(ts.createStrictEquality(ts.createTypeOf(ts.createIdentifier("Symbol")), ts.createLiteral("function")), ts.createToken(54), ts.createIdentifier("Symbol"), ts.createToken(55), ts.createIdentifier("Object")); + return false; } - function getExpressionForPropertyName(member, generateNameForComputedPropertyName) { - var name = member.name; - if (ts.isComputedPropertyName(name)) { - return generateNameForComputedPropertyName - ? ts.getGeneratedNameForNode(name) - : name.expression; + function checkGrammarModifiers(node) { + var quickResult = reportObviousModifierErrors(node); + if (quickResult !== undefined) { + return quickResult; } - else if (ts.isIdentifier(name)) { - return ts.createLiteral(name.text); + var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync, lastReadonly; + var flags = 0; + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + if (modifier.kind !== 129) { + if (node.kind === 145 || node.kind === 147) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind)); + } + if (node.kind === 154) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind)); + } + } + switch (modifier.kind) { + case 75: + if (node.kind !== 225 && node.parent.kind === 222) { + return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(75)); + } + break; + case 113: + case 112: + case 111: + var text = visibilityToString(ts.modifierToFlag(modifier.kind)); + if (modifier.kind === 112) { + lastProtected = modifier; + } + else if (modifier.kind === 111) { + lastPrivate = modifier; + } + if (flags & 28) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); + } + else if (flags & 32) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); + } + else if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "readonly"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); + } + else if (node.parent.kind === 227 || node.parent.kind === 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, text); + } + else if (flags & 128) { + if (modifier.kind === 111) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); + } + else { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); + } + } + flags |= ts.modifierToFlag(modifier.kind); + break; + case 114: + if (flags & 32) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); + } + else if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "readonly"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); + } + else if (node.parent.kind === 227 || node.parent.kind === 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, "static"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + flags |= 32; + lastStatic = modifier; + break; + case 129: + if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "readonly"); + } + else if (node.kind !== 146 && node.kind !== 145 && node.kind !== 154 && node.kind !== 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics.readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature); + } + flags |= 64; + lastReadonly = modifier; + break; + case 83: + if (flags & 1) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); + } + else if (flags & 2) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); + } + else if (node.parent.kind === 222) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); + } + flags |= 1; + break; + case 123: + if (flags & 2) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.parent.kind === 222) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + } + else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 227) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + } + flags |= 2; + lastDeclare = modifier; + break; + case 116: + if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + } + if (node.kind !== 222) { + if (node.kind !== 148 && + node.kind !== 146 && + node.kind !== 150 && + node.kind !== 151) { + return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration); + } + if (!(node.parent.kind === 222 && ts.getModifierFlags(node.parent) & 128)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); + } + if (flags & 32) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + if (flags & 8) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + } + } + flags |= 128; + break; + case 119: + if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); + } + else if (flags & 2 || ts.isInAmbientContext(node.parent)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.kind === 143) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + } + flags |= 256; + lastAsync = modifier; + break; + } + } + if (node.kind === 149) { + if (flags & 32) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + } + if (flags & 128) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + } + else if (flags & 256) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + else if (flags & 64) { + return grammarErrorOnNode(lastReadonly, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "readonly"); + } + return; } - else { - return ts.getSynthesizedClone(name); + else if ((node.kind === 231 || node.kind === 230) && flags & 2) { + return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); } - } - function visitPropertyNameOfClassElement(member) { - var name = member.name; - if (ts.isComputedPropertyName(name)) { - var expression = ts.visitNode(name.expression, visitor, ts.isExpression); - if (member.decorators) { - var generatedName = ts.getGeneratedNameForNode(name); - hoistVariableDeclaration(generatedName); - expression = ts.createAssignment(generatedName, expression); - } - return ts.setOriginalNode(ts.createComputedPropertyName(expression, name), name); + else if (node.kind === 143 && (flags & 92) && ts.isBindingPattern(node.name)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_declared_using_a_binding_pattern); } - else { - return name; + else if (node.kind === 143 && (flags & 92) && node.dotDotDotToken) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_cannot_be_declared_using_a_rest_parameter); } - } - function visitHeritageClause(node) { - if (node.token === 84) { - var types = ts.visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments, 0, 1); - return ts.createHeritageClause(84, types, node); + if (flags & 256) { + return checkGrammarAsyncModifier(node, lastAsync); } - return undefined; } - function visitExpressionWithTypeArguments(node) { - var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); - return ts.createExpressionWithTypeArguments(undefined, expression, node); - } - function shouldEmitFunctionLikeDeclaration(node) { - return !ts.nodeIsMissing(node.body); - } - function visitConstructor(node) { - if (!shouldEmitFunctionLikeDeclaration(node)) { - return undefined; - } - return ts.visitEachChild(node, visitor, context); + function reportObviousModifierErrors(node) { + return !node.modifiers + ? false + : shouldReportBadModifier(node) + ? grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here) + : undefined; } - function visitMethodDeclaration(node) { - if (!shouldEmitFunctionLikeDeclaration(node)) { - return undefined; + function shouldReportBadModifier(node) { + switch (node.kind) { + case 150: + case 151: + case 149: + case 146: + case 145: + case 148: + case 147: + case 154: + case 226: + case 231: + case 230: + case 237: + case 236: + case 180: + case 181: + case 143: + return false; + default: + if (node.parent.kind === 227 || node.parent.kind === 256) { + return false; + } + switch (node.kind) { + case 221: + return nodeHasAnyModifiersExcept(node, 119); + case 222: + return nodeHasAnyModifiersExcept(node, 116); + case 223: + case 201: + case 224: + return true; + case 225: + return nodeHasAnyModifiersExcept(node, 75); + default: + ts.Debug.fail(); + return false; + } } - var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, visitPropertyNameOfClassElement(node), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setCommentRange(method, node); - ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(method, node); - return method; } - function shouldEmitAccessorDeclaration(node) { - return !(ts.nodeIsMissing(node.body) && ts.hasModifier(node, 128)); + function nodeHasAnyModifiersExcept(node, allowedModifier) { + return node.modifiers.length > 1 || node.modifiers[0].kind !== allowedModifier; } - function visitGetAccessor(node) { - if (!shouldEmitAccessorDeclaration(node)) { - return undefined; + function checkGrammarAsyncModifier(node, asyncModifier) { + switch (node.kind) { + case 148: + case 221: + case 180: + case 181: + if (!node.asteriskToken) { + return false; + } + break; } - var accessor = ts.createGetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); - ts.setCommentRange(accessor, node); - ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(accessor, node); - return accessor; + return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); } - function visitSetAccessor(node) { - if (!shouldEmitAccessorDeclaration(node)) { - return undefined; + function checkGrammarForDisallowedTrailingComma(list) { + if (list && list.hasTrailingComma) { + var start = list.end - ",".length; + var end = list.end; + var sourceFile = ts.getSourceFileOfNode(list[0]); + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); } - var accessor = ts.createSetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); - ts.setCommentRange(accessor, node); - ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(accessor, node); - return accessor; } - function visitFunctionDeclaration(node) { - if (!shouldEmitFunctionLikeDeclaration(node)) { - return ts.createNotEmittedStatement(node); + function checkGrammarTypeParameterList(typeParameters, file) { + if (checkGrammarForDisallowedTrailingComma(typeParameters)) { + return true; } - var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - if (isNamespaceExport(node)) { - var statements = [func]; - addExportMemberAssignment(statements, node); - return statements; + if (typeParameters && typeParameters.length === 0) { + var start = typeParameters.pos - "<".length; + var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; + return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); } - return func; } - function visitFunctionExpression(node) { - if (ts.nodeIsMissing(node.body)) { - return ts.createOmittedExpression(); + function checkGrammarParameterList(parameters) { + var seenOptionalParameter = false; + var parameterCount = parameters.length; + for (var i = 0; i < parameterCount; i++) { + var parameter = parameters[i]; + if (parameter.dotDotDotToken) { + if (i !== (parameterCount - 1)) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + if (ts.isBindingPattern(parameter.name)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + } + } + else if (parameter.questionToken) { + seenOptionalParameter = true; + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + } + } + else if (seenOptionalParameter && !parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); + } } - var func = ts.createFunctionExpression(ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; } - function visitArrowFunction(node) { - var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); - ts.setOriginalNode(func, node); - return func; - } - function transformFunctionBody(node) { - return transformFunctionBodyWorker(node.body); - } - function transformFunctionBodyWorker(body, start) { - if (start === void 0) { start = 0; } - var savedCurrentScope = currentScope; - var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; - currentScope = body; - currentScopeFirstDeclarationsOfName = ts.createMap(); - startLexicalEnvironment(); - var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); - var visited = ts.updateBlock(body, statements); - var declarations = endLexicalEnvironment(); - currentScope = savedCurrentScope; - currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; - return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - } - function transformConciseBody(node) { - return transformConciseBodyWorker(node.body, false); + function checkGrammarFunctionLikeDeclaration(node) { + var file = ts.getSourceFileOfNode(node); + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node.typeParameters, file) || + checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); } - function transformConciseBodyWorker(body, forceBlockFunctionBody) { - if (ts.isBlock(body)) { - return transformFunctionBodyWorker(body); + function checkGrammarArrowFunction(node, file) { + if (node.kind === 181) { + var arrowFunction = node; + var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; + if (startLine !== endLine) { + return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + } } - else { - startLexicalEnvironment(); - var visited = ts.visitNode(body, visitor, ts.isConciseBody); - var declarations = endLexicalEnvironment(); - var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - if (forceBlockFunctionBody && !ts.isBlock(merged)) { - return ts.createBlock([ - ts.createReturn(merged) - ]); + return false; + } + function checkGrammarIndexSignatureParameters(node) { + var parameter = node.parameters[0]; + if (node.parameters.length !== 1) { + if (parameter) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); } else { - return merged; + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); } } - } - function visitParameter(node) { - if (ts.parameterIsThisKeyword(node)) { - return undefined; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); } - var parameter = ts.createParameterDeclaration(undefined, undefined, node.dotDotDotToken, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, undefined, ts.visitNode(node.initializer, visitor, ts.isExpression), ts.moveRangePastModifiers(node)); - ts.setOriginalNode(parameter, node); - ts.setCommentRange(parameter, node); - ts.setSourceMapRange(parameter, ts.moveRangePastModifiers(node)); - ts.setEmitFlags(parameter.name, 1024); - return parameter; - } - function visitVariableStatement(node) { - if (isNamespaceExport(node)) { - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length === 0) { - return undefined; - } - return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); + if (ts.getModifierFlags(parameter) !== 0) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); } - else { - return ts.visitEachChild(node, visitor, context); + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); } - } - function transformInitializedVariable(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getNamespaceMemberNameWithSourceMapsAndWithoutComments, visitor); + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); } - else { - return ts.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(name), ts.visitNode(node.initializer, visitor, ts.isExpression), node); + if (!parameter.type) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); } - } - function visitVariableDeclaration(node) { - return ts.updateVariableDeclaration(node, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, ts.visitNode(node.initializer, visitor, ts.isExpression)); - } - function visitParenthesizedExpression(node) { - var innerExpression = ts.skipOuterExpressions(node.expression, ~2); - if (ts.isAssertionExpression(innerExpression)) { - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - return ts.createPartiallyEmittedExpression(expression, node); + if (parameter.type.kind !== 133 && parameter.type.kind !== 131) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + if (!node.type) { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); } - return ts.visitEachChild(node, visitor, context); - } - function visitAssertionExpression(node) { - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - return ts.createPartiallyEmittedExpression(expression, node); - } - function visitNonNullExpression(node) { - var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); - return ts.createPartiallyEmittedExpression(expression, node); } - function visitCallExpression(node) { - return ts.updateCall(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + function checkGrammarIndexSignature(node) { + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node); } - function visitNewExpression(node) { - return ts.updateNew(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { + if (typeArguments && typeArguments.length === 0) { + var sourceFile = ts.getSourceFileOfNode(node); + var start = typeArguments.pos - "<".length; + var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } } - function shouldEmitEnumDeclaration(node) { - return !ts.isConst(node) - || compilerOptions.preserveConstEnums - || compilerOptions.isolatedModules; + function checkGrammarTypeArguments(node, typeArguments) { + return checkGrammarForDisallowedTrailingComma(typeArguments) || + checkGrammarForAtLeastOneTypeArgument(node, typeArguments); } - function shouldEmitVarForEnumDeclaration(node) { - return isFirstEmittedDeclarationInScope(node) - && (!ts.hasModifier(node, 1) - || isES6ExportedDeclaration(node)); + function checkGrammarForOmittedArgument(node, args) { + if (args) { + var sourceFile = ts.getSourceFileOfNode(node); + for (var _i = 0, args_4 = args; _i < args_4.length; _i++) { + var arg = args_4[_i]; + if (arg.kind === 194) { + return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + } + } + } } - function addVarForEnumExportedFromNamespace(statements, node) { - var statement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, getExportName(node))]); - ts.setSourceMapRange(statement, node); - statements.push(statement); + function checkGrammarArguments(node, args) { + return checkGrammarForOmittedArgument(node, args); } - function visitEnumDeclaration(node) { - if (!shouldEmitEnumDeclaration(node)) { - return undefined; + function checkGrammarHeritageClause(node) { + var types = node.types; + if (checkGrammarForDisallowedTrailingComma(types)) { + return true; } - var statements = []; - var emitFlags = 64; - recordEmittedDeclarationInScope(node); - if (shouldEmitVarForEnumDeclaration(node)) { - addVarForEnumOrModuleDeclaration(statements, node); - if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { - emitFlags |= 16384; + if (types && types.length === 0) { + var listType = ts.tokenToString(node.token); + var sourceFile = ts.getSourceFileOfNode(node); + return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + } + function checkGrammarClassDeclarationHeritageClauses(node) { + var seenExtendsClause = false; + var seenImplementsClause = false; + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 84) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + } + if (heritageClause.types.length > 1) { + return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 107); + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + seenImplementsClause = true; + } + checkGrammarHeritageClause(heritageClause); } } - var parameterName = getNamespaceParameterName(node); - var containerName = getNamespaceContainerName(node); - var exportName = getExportName(node); - var enumStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformEnumBody(node, containerName)), undefined, [ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral()))]), node); - ts.setOriginalNode(enumStatement, node); - ts.setEmitFlags(enumStatement, emitFlags); - statements.push(enumStatement); - if (isNamespaceExport(node)) { - addVarForEnumExportedFromNamespace(statements, node); + } + function checkGrammarInterfaceDeclaration(node) { + var seenExtendsClause = false; + if (node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 84) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 107); + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); + } + checkGrammarHeritageClause(heritageClause); + } } - return statements; + return false; } - function transformEnumBody(node, localName) { - var savedCurrentNamespaceLocalName = currentNamespaceContainerName; - currentNamespaceContainerName = localName; - var statements = []; - startLexicalEnvironment(); - ts.addRange(statements, ts.map(node.members, transformEnumMember)); - ts.addRange(statements, endLexicalEnvironment()); - currentNamespaceContainerName = savedCurrentNamespaceLocalName; - return ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); + function checkGrammarComputedPropertyName(node) { + if (node.kind !== 141) { + return false; + } + var computedPropertyName = node; + if (computedPropertyName.expression.kind === 188 && computedPropertyName.expression.operatorToken.kind === 25) { + return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + } } - function transformEnumMember(member) { - var name = getExpressionForPropertyName(member, false); - return ts.createStatement(ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, name), transformEnumMemberDeclarationValue(member))), name, member), member); + function checkGrammarForGenerator(node) { + if (node.asteriskToken) { + ts.Debug.assert(node.kind === 221 || + node.kind === 180 || + node.kind === 148); + if (ts.isInAmbientContext(node)) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); + } + if (!node.body) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); + } + if (languageVersion < 2) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher); + } + } } - function transformEnumMemberDeclarationValue(member) { - var value = resolver.getConstantValue(member); - if (value !== undefined) { - return ts.createLiteral(value); + function checkGrammarForInvalidQuestionMark(questionToken, message) { + if (questionToken) { + return grammarErrorOnNode(questionToken, message); } - else { - enableSubstitutionForNonQualifiedEnumMembers(); - if (member.initializer) { - return ts.visitNode(member.initializer, visitor, ts.isExpression); + } + function checkGrammarObjectLiteralExpression(node, inDestructuring) { + var seen = ts.createMap(); + var Property = 1; + var GetAccessor = 2; + var SetAccessor = 4; + var GetOrSetAccessor = GetAccessor | SetAccessor; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + var name_27 = prop.name; + if (name_27.kind === 141) { + checkGrammarComputedPropertyName(name_27); + } + if (prop.kind === 254 && !inDestructuring && prop.objectAssignmentInitializer) { + return grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment); + } + if (prop.modifiers) { + for (var _b = 0, _c = prop.modifiers; _b < _c.length; _b++) { + var mod = _c[_b]; + if (mod.kind !== 119 || prop.kind !== 148) { + grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); + } + } + } + var currentKind = void 0; + if (prop.kind === 253 || prop.kind === 254) { + checkGrammarForInvalidQuestionMark(prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); + if (name_27.kind === 8) { + checkGrammarNumericLiteral(name_27); + } + currentKind = Property; + } + else if (prop.kind === 148) { + currentKind = Property; + } + else if (prop.kind === 150) { + currentKind = GetAccessor; + } + else if (prop.kind === 151) { + currentKind = SetAccessor; + } + else { + ts.Debug.fail("Unexpected syntax kind:" + prop.kind); + } + var effectiveName = ts.getPropertyNameForPropertyNameNode(name_27); + if (effectiveName === undefined) { + continue; + } + if (!seen[effectiveName]) { + seen[effectiveName] = currentKind; } else { - return ts.createVoidZero(); + var existingKind = seen[effectiveName]; + if (currentKind === Property && existingKind === Property) { + grammarErrorOnNode(name_27, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(name_27)); + } + else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { + if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { + seen[effectiveName] = currentKind | existingKind; + } + else { + return grammarErrorOnNode(name_27, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name); + } + } + else { + return grammarErrorOnNode(name_27, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name); + } } } } - function shouldEmitModuleDeclaration(node) { - return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); - } - function isES6ExportedDeclaration(node) { - return isExternalModuleExport(node) - && moduleKind === ts.ModuleKind.ES2015; - } - function recordEmittedDeclarationInScope(node) { - var name = node.symbol && node.symbol.name; - if (name) { - if (!currentScopeFirstDeclarationsOfName) { - currentScopeFirstDeclarationsOfName = ts.createMap(); + function checkGrammarJsxElement(node) { + var seen = ts.createMap(); + for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { + var attr = _a[_i]; + if (attr.kind === 247) { + continue; } - if (!(name in currentScopeFirstDeclarationsOfName)) { - currentScopeFirstDeclarationsOfName[name] = node; + var jsxAttr = attr; + var name_28 = jsxAttr.name; + if (!seen[name_28.text]) { + seen[name_28.text] = true; + } + else { + return grammarErrorOnNode(name_28, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); + } + var initializer = jsxAttr.initializer; + if (initializer && initializer.kind === 248 && !initializer.expression) { + return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); } } } - function isFirstEmittedDeclarationInScope(node) { - if (currentScopeFirstDeclarationsOfName) { - var name_28 = node.symbol && node.symbol.name; - if (name_28) { - return currentScopeFirstDeclarationsOfName[name_28] === node; + function checkGrammarForInOrForOfStatement(forInOrOfStatement) { + if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { + return true; + } + if (forInOrOfStatement.initializer.kind === 220) { + var variableList = forInOrOfStatement.initializer; + if (!checkGrammarVariableDeclarationList(variableList)) { + var declarations = variableList.declarations; + if (!declarations.length) { + return false; + } + if (declarations.length > 1) { + var diagnostic = forInOrOfStatement.kind === 208 + ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement + : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; + return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); + } + var firstDeclaration = declarations[0]; + if (firstDeclaration.initializer) { + var diagnostic = forInOrOfStatement.kind === 208 + ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer + : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; + return grammarErrorOnNode(firstDeclaration.name, diagnostic); + } + if (firstDeclaration.type) { + var diagnostic = forInOrOfStatement.kind === 208 + ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation + : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; + return grammarErrorOnNode(firstDeclaration, diagnostic); + } } } return false; } - function shouldEmitVarForModuleDeclaration(node) { - return isFirstEmittedDeclarationInScope(node); - } - function addVarForEnumOrModuleDeclaration(statements, node) { - var statement = ts.createVariableStatement(isES6ExportedDeclaration(node) - ? ts.visitNodes(node.modifiers, visitor, ts.isModifier) - : undefined, [ - ts.createVariableDeclaration(getDeclarationName(node, false, true)) - ]); - ts.setOriginalNode(statement, node); - if (node.kind === 225) { - ts.setSourceMapRange(statement.declarationList, node); - } - else { - ts.setSourceMapRange(statement, node); + function checkGrammarAccessor(accessor) { + var kind = accessor.kind; + if (languageVersion < 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); } - ts.setCommentRange(statement, node); - ts.setEmitFlags(statement, 32768); - statements.push(statement); - } - function visitModuleDeclaration(node) { - if (!shouldEmitModuleDeclaration(node)) { - return ts.createNotEmittedStatement(node); + else if (ts.isInAmbientContext(accessor)) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); } - ts.Debug.assert(ts.isIdentifier(node.name), "TypeScript module should have an Identifier name."); - enableSubstitutionForNamespaceExports(); - var statements = []; - var emitFlags = 64; - recordEmittedDeclarationInScope(node); - if (shouldEmitVarForModuleDeclaration(node)) { - addVarForEnumOrModuleDeclaration(statements, node); - if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { - emitFlags |= 16384; - } + else if (accessor.body === undefined && !(ts.getModifierFlags(accessor) & 128)) { + return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); } - var parameterName = getNamespaceParameterName(node); - var containerName = getNamespaceContainerName(node); - var exportName = getExportName(node); - var moduleArg = ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral())); - if (ts.hasModifier(node, 1) && !isES6ExportedDeclaration(node)) { - var localName = getLocalName(node); - moduleArg = ts.createAssignment(localName, moduleArg); + else if (accessor.typeParameters) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); } - var moduleStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformModuleBody(node, containerName)), undefined, [moduleArg]), node); - ts.setOriginalNode(moduleStatement, node); - ts.setEmitFlags(moduleStatement, emitFlags); - statements.push(moduleStatement); - return statements; - } - function transformModuleBody(node, namespaceLocalName) { - var savedCurrentNamespaceContainerName = currentNamespaceContainerName; - var savedCurrentNamespace = currentNamespace; - var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; - currentNamespaceContainerName = namespaceLocalName; - currentNamespace = node; - currentScopeFirstDeclarationsOfName = undefined; - var statements = []; - startLexicalEnvironment(); - var statementsLocation; - var blockLocation; - var body = node.body; - if (body.kind === 227) { - ts.addRange(statements, ts.visitNodes(body.statements, namespaceElementVisitor, ts.isStatement)); - statementsLocation = body.statements; - blockLocation = body; + else if (!doesAccessorHaveCorrectParameterCount(accessor)) { + return grammarErrorOnNode(accessor.name, kind === 150 ? + ts.Diagnostics.A_get_accessor_cannot_have_parameters : + ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); } - else { - var result = visitModuleDeclaration(body); - if (result) { - if (ts.isArray(result)) { - ts.addRange(statements, result); + else if (kind === 151) { + if (accessor.type) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + } + else { + var parameter = accessor.parameters[0]; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); } - else { - statements.push(result); + else if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + } + else if (parameter.initializer) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); } } - var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; - statementsLocation = ts.moveRangePos(moduleBlock.statements, -1); - } - ts.addRange(statements, endLexicalEnvironment()); - currentNamespaceContainerName = savedCurrentNamespaceContainerName; - currentNamespace = savedCurrentNamespace; - currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; - var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), blockLocation, true); - if (body.kind !== 227) { - ts.setEmitFlags(block, ts.getEmitFlags(block) | 49152); } - return block; } - function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { - if (moduleDeclaration.body.kind === 226) { - var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); - return recursiveInnerModule || moduleDeclaration.body; - } + function doesAccessorHaveCorrectParameterCount(accessor) { + return getAccessorThisParameter(accessor) || accessor.parameters.length === (accessor.kind === 150 ? 0 : 1); } - function visitImportDeclaration(node) { - if (!node.importClause) { - return node; + function getAccessorThisParameter(accessor) { + if (accessor.parameters.length === (accessor.kind === 150 ? 1 : 2)) { + return ts.getThisParameter(accessor); } - var importClause = ts.visitNode(node.importClause, visitImportClause, ts.isImportClause, true); - return importClause - ? ts.updateImportDeclaration(node, undefined, undefined, importClause, node.moduleSpecifier) - : undefined; } - function visitImportClause(node) { - var name = resolver.isReferencedAliasDeclaration(node) ? node.name : undefined; - var namedBindings = ts.visitNode(node.namedBindings, visitNamedImportBindings, ts.isNamedImportBindings, true); - return (name || namedBindings) ? ts.updateImportClause(node, name, namedBindings) : undefined; + function checkGrammarForNonSymbolComputedProperty(node, message) { + if (ts.isDynamicName(node)) { + return grammarErrorOnNode(node, message); + } } - function visitNamedImportBindings(node) { - if (node.kind === 233) { - return resolver.isReferencedAliasDeclaration(node) ? node : undefined; + function checkGrammarMethod(node) { + if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || + checkGrammarFunctionLikeDeclaration(node) || + checkGrammarForGenerator(node)) { + return true; } - else { - var elements = ts.visitNodes(node.elements, visitImportSpecifier, ts.isImportSpecifier); - return ts.some(elements) ? ts.updateNamedImports(node, elements) : undefined; + if (node.parent.kind === 172) { + if (checkGrammarForInvalidQuestionMark(node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional)) { + return true; + } + else if (node.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } } - } - function visitImportSpecifier(node) { - return resolver.isReferencedAliasDeclaration(node) ? node : undefined; - } - function visitExportAssignment(node) { - return resolver.isValueAliasDeclaration(node) - ? ts.visitEachChild(node, visitor, context) - : undefined; - } - function visitExportDeclaration(node) { - if (!node.exportClause) { - return resolver.moduleExportsSomeValue(node.moduleSpecifier) ? node : undefined; + if (ts.isClassLike(node.parent)) { + if (ts.isInAmbientContext(node)) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + } + else if (!node.body) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + } } - if (!resolver.isValueAliasDeclaration(node)) { - return undefined; + else if (node.parent.kind === 223) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); } - var exportClause = ts.visitNode(node.exportClause, visitNamedExports, ts.isNamedExports, true); - return exportClause - ? ts.updateExportDeclaration(node, undefined, undefined, exportClause, node.moduleSpecifier) - : undefined; - } - function visitNamedExports(node) { - var elements = ts.visitNodes(node.elements, visitExportSpecifier, ts.isExportSpecifier); - return ts.some(elements) ? ts.updateNamedExports(node, elements) : undefined; - } - function visitExportSpecifier(node) { - return resolver.isValueAliasDeclaration(node) ? node : undefined; - } - function shouldEmitImportEqualsDeclaration(node) { - return resolver.isReferencedAliasDeclaration(node) - || (!ts.isExternalModule(currentSourceFile) - && resolver.isTopLevelValueImportEqualsWithEntityName(node)); - } - function visitImportEqualsDeclaration(node) { - if (ts.isExternalModuleImportEqualsDeclaration(node)) { - return resolver.isReferencedAliasDeclaration(node) - ? ts.visitEachChild(node, visitor, context) - : undefined; + else if (node.parent.kind === 160) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); } - if (!shouldEmitImportEqualsDeclaration(node)) { - return undefined; + } + function checkGrammarBreakOrContinueStatement(node) { + var current = node; + while (current) { + if (ts.isFunctionLike(current)) { + return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); + } + switch (current.kind) { + case 215: + if (node.label && current.label.text === node.label.text) { + var isMisplacedContinueLabel = node.kind === 210 + && !ts.isIterationStatement(current.statement, true); + if (isMisplacedContinueLabel) { + return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); + } + return false; + } + break; + case 214: + if (node.kind === 211 && !node.label) { + return false; + } + break; + default: + if (ts.isIterationStatement(current, false) && !node.label) { + return false; + } + break; + } + current = current.parent; } - var moduleReference = ts.createExpressionFromEntityName(node.moduleReference); - ts.setEmitFlags(moduleReference, 49152 | 65536); - if (isNamedExternalModuleExport(node) || !isNamespaceExport(node)) { - return ts.setOriginalNode(ts.createVariableStatement(ts.visitNodes(node.modifiers, visitor, ts.isModifier), ts.createVariableDeclarationList([ - ts.createVariableDeclaration(node.name, undefined, moduleReference) - ]), node), node); + if (node.label) { + var message = node.kind === 211 + ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement + : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); } else { - return ts.setOriginalNode(createNamespaceExport(node.name, moduleReference, node), node); + var message = node.kind === 211 + ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement + : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); } } - function isNamespaceExport(node) { - return currentNamespace !== undefined && ts.hasModifier(node, 1); + function checkGrammarBindingElement(node) { + if (node.dotDotDotToken) { + var elements = node.parent.elements; + if (node !== ts.lastOrUndefined(elements)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + if (node.name.kind === 169 || node.name.kind === 168) { + return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (node.initializer) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + } } - function isExternalModuleExport(node) { - return currentNamespace === undefined && ts.hasModifier(node, 1); + function isStringOrNumberLiteralExpression(expr) { + return expr.kind === 9 || expr.kind === 8 || + expr.kind === 186 && expr.operator === 37 && + expr.operand.kind === 8; } - function isNamedExternalModuleExport(node) { - return isExternalModuleExport(node) - && !ts.hasModifier(node, 512); + function checkGrammarVariableDeclaration(node) { + if (node.parent.parent.kind !== 208 && node.parent.parent.kind !== 209) { + if (ts.isInAmbientContext(node)) { + if (node.initializer) { + if (ts.isConst(node) && !node.type) { + if (!isStringOrNumberLiteralExpression(node.initializer)) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_const_initializer_in_an_ambient_context_must_be_a_string_or_numeric_literal); + } + } + else { + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + if (node.initializer && !(ts.isConst(node) && isStringOrNumberLiteralExpression(node.initializer))) { + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + else if (!node.initializer) { + if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); + } + if (ts.isConst(node)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); + } + } + } + var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); + return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); } - function isDefaultExternalModuleExport(node) { - return isExternalModuleExport(node) - && ts.hasModifier(node, 512); + function checkGrammarNameInLetOrConstDeclarations(name) { + if (name.kind === 70) { + if (name.originalKeywordKind === 109) { + return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { + var element = elements_2[_i]; + if (!ts.isOmittedExpression(element)) { + checkGrammarNameInLetOrConstDeclarations(element.name); + } + } + } } - function expressionToStatement(expression) { - return ts.createStatement(expression, undefined); + function checkGrammarVariableDeclarationList(declarationList) { + var declarations = declarationList.declarations; + if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + return true; + } + if (!declarationList.declarations.length) { + return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + } } - function addExportMemberAssignment(statements, node) { - var expression = ts.createAssignment(getExportName(node), getLocalName(node, true)); - ts.setSourceMapRange(expression, ts.createRange(node.name.pos, node.end)); - var statement = ts.createStatement(expression); - ts.setSourceMapRange(statement, ts.createRange(-1, node.end)); - statements.push(statement); + function allowLetAndConstDeclarations(parent) { + switch (parent.kind) { + case 204: + case 205: + case 206: + case 213: + case 207: + case 208: + case 209: + return false; + case 215: + return allowLetAndConstDeclarations(parent.parent); + } + return true; } - function createNamespaceExport(exportName, exportValue, location) { - return ts.createStatement(ts.createAssignment(getNamespaceMemberName(exportName, false, true), exportValue), location); + function checkGrammarForDisallowedLetOrConstStatement(node) { + if (!allowLetAndConstDeclarations(node.parent)) { + if (ts.isLet(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + } + else if (ts.isConst(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + } + } } - function createExternalModuleExport(exportName) { - return ts.createExportDeclaration(undefined, undefined, ts.createNamedExports([ - ts.createExportSpecifier(exportName) - ])); + function hasParseDiagnostics(sourceFile) { + return sourceFile.parseDiagnostics.length > 0; } - function getNamespaceMemberName(name, allowComments, allowSourceMaps) { - var qualifiedName = ts.createPropertyAccess(currentNamespaceContainerName, ts.getSynthesizedClone(name), name); - var emitFlags; - if (!allowComments) { - emitFlags |= 49152; - } - if (!allowSourceMaps) { - emitFlags |= 1536; - } - if (emitFlags) { - ts.setEmitFlags(qualifiedName, emitFlags); + function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span_4 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span_4.start, span_4.length, message, arg0, arg1, arg2)); + return true; } - return qualifiedName; - } - function getNamespaceMemberNameWithSourceMapsAndWithoutComments(name) { - return getNamespaceMemberName(name, false, true); } - function getNamespaceParameterName(node) { - var name = ts.getGeneratedNameForNode(node); - ts.setSourceMapRange(name, node.name); - return name; + function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); + return true; + } } - function getNamespaceContainerName(node) { - return ts.getGeneratedNameForNode(node); + function grammarErrorOnNode(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); + return true; + } } - function getLocalName(node, noSourceMaps, allowComments) { - return getDeclarationName(node, allowComments, !noSourceMaps, 262144); + function checkGrammarConstructorTypeParameters(node) { + if (node.typeParameters) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + } } - function getExportName(node, noSourceMaps, allowComments) { - if (isNamespaceExport(node)) { - return getNamespaceMemberName(getDeclarationName(node), allowComments, !noSourceMaps); + function checkGrammarConstructorTypeAnnotation(node) { + if (node.type) { + return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); } - return getDeclarationName(node, allowComments, !noSourceMaps, 131072); } - function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { - if (node.name) { - var name_29 = ts.getMutableClone(node.name); - emitFlags |= ts.getEmitFlags(node.name); - if (!allowSourceMaps) { - emitFlags |= 1536; + function checkGrammarProperty(node) { + if (ts.isClassLike(node.parent)) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { + return true; } - if (!allowComments) { - emitFlags |= 49152; + } + else if (node.parent.kind === 223) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { + return true; } - if (emitFlags) { - ts.setEmitFlags(name_29, emitFlags); + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + } + } + else if (node.parent.kind === 160) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); } - return name_29; - } - else { - return ts.getGeneratedNameForNode(node); } - } - function getClassPrototype(node) { - return ts.createPropertyAccess(getDeclarationName(node), "prototype"); - } - function getClassMemberPrefix(node, member) { - return ts.hasModifier(member, 32) - ? getDeclarationName(node) - : getClassPrototype(node); - } - function enableSubstitutionForNonQualifiedEnumMembers() { - if ((enabledSubstitutions & 8) === 0) { - enabledSubstitutions |= 8; - context.enableSubstitution(70); + if (ts.isInAmbientContext(node) && node.initializer) { + return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); } } - function enableSubstitutionForClassAliases() { - if ((enabledSubstitutions & 1) === 0) { - enabledSubstitutions |= 1; - context.enableSubstitution(70); - classAliases = ts.createMap(); + function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { + if (node.kind === 223 || + node.kind === 224 || + node.kind === 231 || + node.kind === 230 || + node.kind === 237 || + node.kind === 236 || + node.kind === 229 || + ts.getModifierFlags(node) & (2 | 1 | 512)) { + return false; } + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); } - function enableSubstitutionForNamespaceExports() { - if ((enabledSubstitutions & 2) === 0) { - enabledSubstitutions |= 2; - context.enableSubstitution(70); - context.enableSubstitution(254); - context.enableEmitNotification(226); + function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isDeclaration(decl) || decl.kind === 201) { + if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { + return true; + } + } } } - function isTransformedModuleDeclaration(node) { - return ts.getOriginalNode(node).kind === 226; - } - function isTransformedEnumDeclaration(node) { - return ts.getOriginalNode(node).kind === 225; + function checkGrammarSourceFile(node) { + return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); } - function onEmitNode(emitContext, node, emitCallback) { - var savedApplicableSubstitutions = applicableSubstitutions; - if (enabledSubstitutions & 2 && isTransformedModuleDeclaration(node)) { - applicableSubstitutions |= 2; - } - if (enabledSubstitutions & 8 && isTransformedEnumDeclaration(node)) { - applicableSubstitutions |= 8; + function checkGrammarStatementInAmbientContext(node) { + if (ts.isInAmbientContext(node)) { + if (isAccessor(node.parent.kind)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = true; + } + var links = getNodeLinks(node); + if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + if (node.parent.kind === 200 || node.parent.kind === 227 || node.parent.kind === 256) { + var links_1 = getNodeLinks(node.parent); + if (!links_1.hasReportedStatementInAmbientContext) { + return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + } + } + else { + } } - previousOnEmitNode(emitContext, node, emitCallback); - applicableSubstitutions = savedApplicableSubstitutions; } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function checkGrammarNumericLiteral(node) { + if (node.isOctalLiteral && languageVersion >= 1) { + return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); } - else if (ts.isShorthandPropertyAssignment(node)) { - return substituteShorthandPropertyAssignment(node); + } + function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span_5 = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span_5), 0, message, arg0, arg1, arg2)); + return true; } - return node; } - function substituteShorthandPropertyAssignment(node) { - if (enabledSubstitutions & 2) { - var name_30 = node.name; - var exportedName = trySubstituteNamespaceExportedName(name_30); - if (exportedName) { - if (node.objectAssignmentInitializer) { - var initializer = ts.createAssignment(exportedName, node.objectAssignmentInitializer); - return ts.createPropertyAssignment(name_30, initializer, node); - } - return ts.createPropertyAssignment(name_30, exportedName, node); + function getAmbientModules() { + var result = []; + for (var sym in globals) { + if (ambientModuleSymbolRegex.test(sym)) { + result.push(globals[sym]); } } - return node; + return result; } - function substituteExpression(node) { - switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 173: - return substitutePropertyAccessExpression(node); - case 174: - return substituteElementAccessExpression(node); - } - return node; + } + ts.createTypeChecker = createTypeChecker; +})(ts || (ts = {})); +var ts; +(function (ts) { + ; + var nodeEdgeTraversalMap = ts.createMap((_a = {}, + _a[140] = [ + { name: "left", test: ts.isEntityName }, + { name: "right", test: ts.isIdentifier } + ], + _a[144] = [ + { name: "expression", test: ts.isLeftHandSideExpression } + ], + _a[178] = [ + { name: "type", test: ts.isTypeNode }, + { name: "expression", test: ts.isUnaryExpression } + ], + _a[196] = [ + { name: "expression", test: ts.isExpression }, + { name: "type", test: ts.isTypeNode } + ], + _a[197] = [ + { name: "expression", test: ts.isLeftHandSideExpression } + ], + _a[225] = [ + { name: "decorators", test: ts.isDecorator }, + { name: "modifiers", test: ts.isModifier }, + { name: "name", test: ts.isIdentifier }, + { name: "members", test: ts.isEnumMember } + ], + _a[226] = [ + { name: "decorators", test: ts.isDecorator }, + { name: "modifiers", test: ts.isModifier }, + { name: "name", test: ts.isModuleName }, + { name: "body", test: ts.isModuleBody } + ], + _a[227] = [ + { name: "statements", test: ts.isStatement } + ], + _a[230] = [ + { name: "decorators", test: ts.isDecorator }, + { name: "modifiers", test: ts.isModifier }, + { name: "name", test: ts.isIdentifier }, + { name: "moduleReference", test: ts.isModuleReference } + ], + _a[241] = [ + { name: "expression", test: ts.isExpression, optional: true } + ], + _a[255] = [ + { name: "name", test: ts.isPropertyName }, + { name: "initializer", test: ts.isExpression, optional: true, parenthesize: ts.parenthesizeExpressionForList } + ], + _a)); + function reduceNode(node, f, initial) { + return node ? f(initial, node) : initial; + } + function reduceEachChild(node, f, initial) { + if (node === undefined) { + return initial; } - function substituteExpressionIdentifier(node) { - return trySubstituteClassAlias(node) - || trySubstituteNamespaceExportedName(node) - || node; + var kind = node.kind; + if ((kind > 0 && kind <= 139)) { + return initial; } - function trySubstituteClassAlias(node) { - if (enabledSubstitutions & 1) { - if (resolver.getNodeCheckFlags(node) & 16777216) { - var declaration = resolver.getReferencedValueDeclaration(node); - if (declaration) { - var classAlias = classAliases[declaration.id]; - if (classAlias) { - var clone_4 = ts.getSynthesizedClone(classAlias); - ts.setSourceMapRange(clone_4, node); - ts.setCommentRange(clone_4, node); - return clone_4; + if ((kind >= 155 && kind <= 167)) { + return initial; + } + var result = initial; + switch (node.kind) { + case 199: + case 202: + case 194: + case 218: + case 287: + break; + case 141: + result = reduceNode(node.expression, f, result); + break; + case 143: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 144: + result = reduceNode(node.expression, f, result); + break; + case 146: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 148: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 149: + result = ts.reduceLeft(node.modifiers, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.body, f, result); + break; + case 150: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 151: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.body, f, result); + break; + case 168: + case 169: + result = ts.reduceLeft(node.elements, f, result); + break; + case 170: + result = reduceNode(node.propertyName, f, result); + result = reduceNode(node.name, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 171: + result = ts.reduceLeft(node.elements, f, result); + break; + case 172: + result = ts.reduceLeft(node.properties, f, result); + break; + case 173: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.name, f, result); + break; + case 174: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.argumentExpression, f, result); + break; + case 175: + result = reduceNode(node.expression, f, result); + result = ts.reduceLeft(node.typeArguments, f, result); + result = ts.reduceLeft(node.arguments, f, result); + break; + case 176: + result = reduceNode(node.expression, f, result); + result = ts.reduceLeft(node.typeArguments, f, result); + result = ts.reduceLeft(node.arguments, f, result); + break; + case 177: + result = reduceNode(node.tag, f, result); + result = reduceNode(node.template, f, result); + break; + case 180: + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 181: + result = ts.reduceLeft(node.modifiers, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 179: + case 182: + case 183: + case 184: + case 185: + case 191: + case 192: + case 197: + result = reduceNode(node.expression, f, result); + break; + case 186: + case 187: + result = reduceNode(node.operand, f, result); + break; + case 188: + result = reduceNode(node.left, f, result); + result = reduceNode(node.right, f, result); + break; + case 189: + result = reduceNode(node.condition, f, result); + result = reduceNode(node.whenTrue, f, result); + result = reduceNode(node.whenFalse, f, result); + break; + case 190: + result = reduceNode(node.head, f, result); + result = ts.reduceLeft(node.templateSpans, f, result); + break; + case 193: + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.heritageClauses, f, result); + result = ts.reduceLeft(node.members, f, result); + break; + case 195: + result = reduceNode(node.expression, f, result); + result = ts.reduceLeft(node.typeArguments, f, result); + break; + case 198: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.literal, f, result); + break; + case 200: + result = ts.reduceLeft(node.statements, f, result); + break; + case 201: + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.declarationList, f, result); + break; + case 203: + result = reduceNode(node.expression, f, result); + break; + case 204: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.thenStatement, f, result); + result = reduceNode(node.elseStatement, f, result); + break; + case 205: + result = reduceNode(node.statement, f, result); + result = reduceNode(node.expression, f, result); + break; + case 206: + case 213: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.statement, f, result); + break; + case 207: + result = reduceNode(node.initializer, f, result); + result = reduceNode(node.condition, f, result); + result = reduceNode(node.incrementor, f, result); + result = reduceNode(node.statement, f, result); + break; + case 208: + case 209: + result = reduceNode(node.initializer, f, result); + result = reduceNode(node.expression, f, result); + result = reduceNode(node.statement, f, result); + break; + case 212: + case 216: + result = reduceNode(node.expression, f, result); + break; + case 214: + result = reduceNode(node.expression, f, result); + result = reduceNode(node.caseBlock, f, result); + break; + case 215: + result = reduceNode(node.label, f, result); + result = reduceNode(node.statement, f, result); + break; + case 217: + result = reduceNode(node.tryBlock, f, result); + result = reduceNode(node.catchClause, f, result); + result = reduceNode(node.finallyBlock, f, result); + break; + case 219: + result = reduceNode(node.name, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 220: + result = ts.reduceLeft(node.declarations, f, result); + break; + case 221: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.parameters, f, result); + result = reduceNode(node.type, f, result); + result = reduceNode(node.body, f, result); + break; + case 222: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.name, f, result); + result = ts.reduceLeft(node.typeParameters, f, result); + result = ts.reduceLeft(node.heritageClauses, f, result); + result = ts.reduceLeft(node.members, f, result); + break; + case 228: + result = ts.reduceLeft(node.clauses, f, result); + break; + case 231: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.importClause, f, result); + result = reduceNode(node.moduleSpecifier, f, result); + break; + case 232: + result = reduceNode(node.name, f, result); + result = reduceNode(node.namedBindings, f, result); + break; + case 233: + result = reduceNode(node.name, f, result); + break; + case 234: + case 238: + result = ts.reduceLeft(node.elements, f, result); + break; + case 235: + case 239: + result = reduceNode(node.propertyName, f, result); + result = reduceNode(node.name, f, result); + break; + case 236: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.expression, f, result); + break; + case 237: + result = ts.reduceLeft(node.decorators, f, result); + result = ts.reduceLeft(node.modifiers, f, result); + result = reduceNode(node.exportClause, f, result); + result = reduceNode(node.moduleSpecifier, f, result); + break; + case 242: + result = reduceNode(node.openingElement, f, result); + result = ts.reduceLeft(node.children, f, result); + result = reduceNode(node.closingElement, f, result); + break; + case 243: + case 244: + result = reduceNode(node.tagName, f, result); + result = ts.reduceLeft(node.attributes, f, result); + break; + case 245: + result = reduceNode(node.tagName, f, result); + break; + case 246: + result = reduceNode(node.name, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 247: + result = reduceNode(node.expression, f, result); + break; + case 248: + result = reduceNode(node.expression, f, result); + break; + case 249: + result = reduceNode(node.expression, f, result); + case 250: + result = ts.reduceLeft(node.statements, f, result); + break; + case 251: + result = ts.reduceLeft(node.types, f, result); + break; + case 252: + result = reduceNode(node.variableDeclaration, f, result); + result = reduceNode(node.block, f, result); + break; + case 253: + result = reduceNode(node.name, f, result); + result = reduceNode(node.initializer, f, result); + break; + case 254: + result = reduceNode(node.name, f, result); + result = reduceNode(node.objectAssignmentInitializer, f, result); + break; + case 256: + result = ts.reduceLeft(node.statements, f, result); + break; + case 288: + result = reduceNode(node.expression, f, result); + break; + default: + var edgeTraversalPath = nodeEdgeTraversalMap[kind]; + if (edgeTraversalPath) { + for (var _i = 0, edgeTraversalPath_1 = edgeTraversalPath; _i < edgeTraversalPath_1.length; _i++) { + var edge = edgeTraversalPath_1[_i]; + var value = node[edge.name]; + if (value !== undefined) { + result = ts.isArray(value) + ? ts.reduceLeft(value, f, result) + : f(result, value); } } } - } + break; + } + return result; + } + ts.reduceEachChild = reduceEachChild; + function visitNode(node, visitor, test, optional, lift, parenthesize, parentNode) { + if (node === undefined) { return undefined; } - function trySubstituteNamespaceExportedName(node) { - if (enabledSubstitutions & applicableSubstitutions && (ts.getEmitFlags(node) & 262144) === 0) { - var container = resolver.getReferencedExportContainer(node, false); - if (container) { - var substitute = (applicableSubstitutions & 2 && container.kind === 226) || - (applicableSubstitutions & 8 && container.kind === 225); - if (substitute) { - return ts.createPropertyAccess(ts.getGeneratedNameForNode(container), node, node); - } - } + var visited = visitor(node); + if (visited === node) { + return node; + } + var visitedNode; + if (visited === undefined) { + if (!optional) { + Debug.failNotOptional(); } return undefined; } - function substitutePropertyAccessExpression(node) { - return substituteConstantValue(node); + else if (ts.isArray(visited)) { + visitedNode = (lift || extractSingleNode)(visited); } - function substituteElementAccessExpression(node) { - return substituteConstantValue(node); + else { + visitedNode = visited; } - function substituteConstantValue(node) { - var constantValue = tryGetConstEnumValue(node); - if (constantValue !== undefined) { - var substitute = ts.createLiteral(constantValue); - ts.setSourceMapRange(substitute, node); - ts.setCommentRange(substitute, node); - if (!compilerOptions.removeComments) { - var propertyName = ts.isPropertyAccessExpression(node) - ? ts.declarationNameToString(node.name) - : ts.getTextOfNode(node.argumentExpression); - substitute.trailingComment = " " + propertyName + " "; + if (parenthesize !== undefined) { + visitedNode = parenthesize(visitedNode, parentNode); + } + Debug.assertNode(visitedNode, test); + aggregateTransformFlags(visitedNode); + return visitedNode; + } + ts.visitNode = visitNode; + function visitNodes(nodes, visitor, test, start, count, parenthesize, parentNode) { + if (nodes === undefined) { + return undefined; + } + var updated; + var length = nodes.length; + if (start === undefined || start < 0) { + start = 0; + } + if (count === undefined || count > length - start) { + count = length - start; + } + if (start > 0 || count < length) { + updated = ts.createNodeArray([], undefined, nodes.hasTrailingComma && start + count === length); + } + for (var i = 0; i < count; i++) { + var node = nodes[i + start]; + var visited = node !== undefined ? visitor(node) : undefined; + if (updated !== undefined || visited === undefined || visited !== node) { + if (updated === undefined) { + updated = ts.createNodeArray(nodes.slice(0, i), nodes, nodes.hasTrailingComma); + } + if (visited) { + if (ts.isArray(visited)) { + for (var _i = 0, visited_1 = visited; _i < visited_1.length; _i++) { + var visitedNode = visited_1[_i]; + visitedNode = parenthesize + ? parenthesize(visitedNode, parentNode) + : visitedNode; + Debug.assertNode(visitedNode, test); + aggregateTransformFlags(visitedNode); + updated.push(visitedNode); + } + } + else { + var visitedNode = parenthesize + ? parenthesize(visited, parentNode) + : visited; + Debug.assertNode(visitedNode, test); + aggregateTransformFlags(visitedNode); + updated.push(visitedNode); + } } - ts.setConstantValue(node, constantValue); - return substitute; } + } + return updated || nodes; + } + ts.visitNodes = visitNodes; + function visitEachChild(node, visitor, context) { + if (node === undefined) { + return undefined; + } + var kind = node.kind; + if ((kind > 0 && kind <= 139)) { return node; } - function tryGetConstEnumValue(node) { - if (compilerOptions.isolatedModules) { - return undefined; - } - return ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node) - ? resolver.getConstantValue(node) - : undefined; + if ((kind >= 155 && kind <= 167)) { + return node; } - } - ts.transformTypeScript = transformTypeScript; -})(ts || (ts = {})); -var ts; -(function (ts) { - var entities = createEntitiesMap(); - function transformJsx(context) { - var compilerOptions = context.getCompilerOptions(); - var currentSourceFile; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { + switch (node.kind) { + case 199: + case 202: + case 194: + case 218: return node; - } - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - return node; + case 141: + return ts.updateComputedPropertyName(node, visitNode(node.expression, visitor, ts.isExpression)); + case 143: + return ts.updateParameterDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 146: + return ts.updateProperty(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 148: + return ts.updateMethod(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 149: + return ts.updateConstructor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 150: + return ts.updateGetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 151: + return ts.updateSetAccessor(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 168: + return ts.updateObjectBindingPattern(node, visitNodes(node.elements, visitor, ts.isBindingElement)); + case 169: + return ts.updateArrayBindingPattern(node, visitNodes(node.elements, visitor, ts.isArrayBindingElement)); + case 170: + return ts.updateBindingElement(node, visitNode(node.propertyName, visitor, ts.isPropertyName, true), visitNode(node.name, visitor, ts.isBindingName), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 171: + return ts.updateArrayLiteral(node, visitNodes(node.elements, visitor, ts.isExpression)); + case 172: + return ts.updateObjectLiteral(node, visitNodes(node.properties, visitor, ts.isObjectLiteralElementLike)); + case 173: + return ts.updatePropertyAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.name, visitor, ts.isIdentifier)); + case 174: + return ts.updateElementAccess(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.argumentExpression, visitor, ts.isExpression)); + case 175: + return ts.updateCall(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); + case 176: + return ts.updateNew(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNodes(node.arguments, visitor, ts.isExpression)); + case 177: + return ts.updateTaggedTemplate(node, visitNode(node.tag, visitor, ts.isExpression), visitNode(node.template, visitor, ts.isTemplateLiteral)); + case 179: + return ts.updateParen(node, visitNode(node.expression, visitor, ts.isExpression)); + case 180: + return ts.updateFunctionExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 181: + return ts.updateArrowFunction(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isConciseBody, true), context.endLexicalEnvironment())); + case 182: + return ts.updateDelete(node, visitNode(node.expression, visitor, ts.isExpression)); + case 183: + return ts.updateTypeOf(node, visitNode(node.expression, visitor, ts.isExpression)); + case 184: + return ts.updateVoid(node, visitNode(node.expression, visitor, ts.isExpression)); + case 185: + return ts.updateAwait(node, visitNode(node.expression, visitor, ts.isExpression)); + case 188: + return ts.updateBinary(node, visitNode(node.left, visitor, ts.isExpression), visitNode(node.right, visitor, ts.isExpression)); + case 186: + return ts.updatePrefix(node, visitNode(node.operand, visitor, ts.isExpression)); + case 187: + return ts.updatePostfix(node, visitNode(node.operand, visitor, ts.isExpression)); + case 189: + return ts.updateConditional(node, visitNode(node.condition, visitor, ts.isExpression), visitNode(node.whenTrue, visitor, ts.isExpression), visitNode(node.whenFalse, visitor, ts.isExpression)); + case 190: + return ts.updateTemplateExpression(node, visitNode(node.head, visitor, ts.isTemplateHead), visitNodes(node.templateSpans, visitor, ts.isTemplateSpan)); + case 191: + return ts.updateYield(node, visitNode(node.expression, visitor, ts.isExpression)); + case 192: + return ts.updateSpread(node, visitNode(node.expression, visitor, ts.isExpression)); + case 193: + return ts.updateClassExpression(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); + case 195: + return ts.updateExpressionWithTypeArguments(node, visitNodes(node.typeArguments, visitor, ts.isTypeNode), visitNode(node.expression, visitor, ts.isExpression)); + case 198: + return ts.updateTemplateSpan(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.literal, visitor, ts.isTemplateMiddleOrTemplateTail)); + case 200: + return ts.updateBlock(node, visitNodes(node.statements, visitor, ts.isStatement)); + case 201: + return ts.updateVariableStatement(node, visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.declarationList, visitor, ts.isVariableDeclarationList)); + case 203: + return ts.updateStatement(node, visitNode(node.expression, visitor, ts.isExpression)); + case 204: + return ts.updateIf(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.thenStatement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.elseStatement, visitor, ts.isStatement, true, liftToBlock)); + case 205: + return ts.updateDo(node, visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock), visitNode(node.expression, visitor, ts.isExpression)); + case 206: + return ts.updateWhile(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 207: + return ts.updateFor(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.condition, visitor, ts.isExpression), visitNode(node.incrementor, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 208: + return ts.updateForIn(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 209: + return ts.updateForOf(node, visitNode(node.initializer, visitor, ts.isForInitializer), visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 210: + return ts.updateContinue(node, visitNode(node.label, visitor, ts.isIdentifier, true)); + case 211: + return ts.updateBreak(node, visitNode(node.label, visitor, ts.isIdentifier, true)); + case 212: + return ts.updateReturn(node, visitNode(node.expression, visitor, ts.isExpression, true)); + case 213: + return ts.updateWith(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 214: + return ts.updateSwitch(node, visitNode(node.expression, visitor, ts.isExpression), visitNode(node.caseBlock, visitor, ts.isCaseBlock)); + case 215: + return ts.updateLabel(node, visitNode(node.label, visitor, ts.isIdentifier), visitNode(node.statement, visitor, ts.isStatement, false, liftToBlock)); + case 216: + return ts.updateThrow(node, visitNode(node.expression, visitor, ts.isExpression)); + case 217: + return ts.updateTry(node, visitNode(node.tryBlock, visitor, ts.isBlock), visitNode(node.catchClause, visitor, ts.isCatchClause, true), visitNode(node.finallyBlock, visitor, ts.isBlock, true)); + case 219: + return ts.updateVariableDeclaration(node, visitNode(node.name, visitor, ts.isBindingName), visitNode(node.type, visitor, ts.isTypeNode, true), visitNode(node.initializer, visitor, ts.isExpression, true)); + case 220: + return ts.updateVariableDeclarationList(node, visitNodes(node.declarations, visitor, ts.isVariableDeclaration)); + case 221: + return ts.updateFunctionDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isPropertyName), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), (context.startLexicalEnvironment(), visitNodes(node.parameters, visitor, ts.isParameter)), visitNode(node.type, visitor, ts.isTypeNode, true), mergeFunctionBodyLexicalEnvironment(visitNode(node.body, visitor, ts.isFunctionBody, true), context.endLexicalEnvironment())); + case 222: + return ts.updateClassDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.name, visitor, ts.isIdentifier, true), visitNodes(node.typeParameters, visitor, ts.isTypeParameter), visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), visitNodes(node.members, visitor, ts.isClassElement)); + case 228: + return ts.updateCaseBlock(node, visitNodes(node.clauses, visitor, ts.isCaseOrDefaultClause)); + case 231: + return ts.updateImportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.importClause, visitor, ts.isImportClause, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression)); + case 232: + return ts.updateImportClause(node, visitNode(node.name, visitor, ts.isIdentifier, true), visitNode(node.namedBindings, visitor, ts.isNamedImportBindings, true)); + case 233: + return ts.updateNamespaceImport(node, visitNode(node.name, visitor, ts.isIdentifier)); + case 234: + return ts.updateNamedImports(node, visitNodes(node.elements, visitor, ts.isImportSpecifier)); + case 235: + return ts.updateImportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); + case 236: + return ts.updateExportAssignment(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.expression, visitor, ts.isExpression)); + case 237: + return ts.updateExportDeclaration(node, visitNodes(node.decorators, visitor, ts.isDecorator), visitNodes(node.modifiers, visitor, ts.isModifier), visitNode(node.exportClause, visitor, ts.isNamedExports, true), visitNode(node.moduleSpecifier, visitor, ts.isExpression, true)); + case 238: + return ts.updateNamedExports(node, visitNodes(node.elements, visitor, ts.isExportSpecifier)); + case 239: + return ts.updateExportSpecifier(node, visitNode(node.propertyName, visitor, ts.isIdentifier, true), visitNode(node.name, visitor, ts.isIdentifier)); + case 242: + return ts.updateJsxElement(node, visitNode(node.openingElement, visitor, ts.isJsxOpeningElement), visitNodes(node.children, visitor, ts.isJsxChild), visitNode(node.closingElement, visitor, ts.isJsxClosingElement)); + case 243: + return ts.updateJsxSelfClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); + case 244: + return ts.updateJsxOpeningElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression), visitNodes(node.attributes, visitor, ts.isJsxAttributeLike)); + case 245: + return ts.updateJsxClosingElement(node, visitNode(node.tagName, visitor, ts.isJsxTagNameExpression)); + case 246: + return ts.updateJsxAttribute(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.initializer, visitor, ts.isStringLiteralOrJsxExpression)); + case 247: + return ts.updateJsxSpreadAttribute(node, visitNode(node.expression, visitor, ts.isExpression)); + case 248: + return ts.updateJsxExpression(node, visitNode(node.expression, visitor, ts.isExpression)); + case 249: + return ts.updateCaseClause(node, visitNode(node.expression, visitor, ts.isExpression), visitNodes(node.statements, visitor, ts.isStatement)); + case 250: + return ts.updateDefaultClause(node, visitNodes(node.statements, visitor, ts.isStatement)); + case 251: + return ts.updateHeritageClause(node, visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments)); + case 252: + return ts.updateCatchClause(node, visitNode(node.variableDeclaration, visitor, ts.isVariableDeclaration), visitNode(node.block, visitor, ts.isBlock)); + case 253: + return ts.updatePropertyAssignment(node, visitNode(node.name, visitor, ts.isPropertyName), visitNode(node.initializer, visitor, ts.isExpression)); + case 254: + return ts.updateShorthandPropertyAssignment(node, visitNode(node.name, visitor, ts.isIdentifier), visitNode(node.objectAssignmentInitializer, visitor, ts.isExpression)); + case 256: + context.startLexicalEnvironment(); + return ts.updateSourceFileNode(node, ts.createNodeArray(ts.concatenate(visitNodes(node.statements, visitor, ts.isStatement), context.endLexicalEnvironment()), node.statements)); + case 288: + return ts.updatePartiallyEmittedExpression(node, visitNode(node.expression, visitor, ts.isExpression)); + default: + var updated = void 0; + var edgeTraversalPath = nodeEdgeTraversalMap[kind]; + if (edgeTraversalPath) { + for (var _i = 0, edgeTraversalPath_2 = edgeTraversalPath; _i < edgeTraversalPath_2.length; _i++) { + var edge = edgeTraversalPath_2[_i]; + var value = node[edge.name]; + if (value !== undefined) { + var visited = ts.isArray(value) + ? visitNodes(value, visitor, edge.test, 0, value.length, edge.parenthesize, node) + : visitNode(value, visitor, edge.test, edge.optional, edge.lift, edge.parenthesize, node); + if (updated !== undefined || visited !== value) { + if (updated === undefined) { + updated = ts.getMutableClone(node); + } + if (visited !== value) { + updated[edge.name] = visited; + } + } + } + } + } + return updated ? ts.updateNode(updated, node) : node; } - function visitor(node) { - if (node.transformFlags & 4) { - return visitorWorker(node); - } - else if (node.transformFlags & 8) { - return ts.visitEachChild(node, visitor, context); + } + ts.visitEachChild = visitEachChild; + function mergeFunctionBodyLexicalEnvironment(body, declarations) { + if (body && declarations !== undefined && declarations.length > 0) { + if (ts.isBlock(body)) { + return ts.updateBlock(body, ts.createNodeArray(ts.concatenate(body.statements, declarations), body.statements)); } else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 242: - return visitJsxElement(node, false); - case 243: - return visitJsxSelfClosingElement(node, false); - case 248: - return visitJsxExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; + return ts.createBlock(ts.createNodeArray([ts.createReturn(body, body)].concat(declarations), body), body, true); } } - function transformJsxChildToExpression(node) { - switch (node.kind) { - case 10: - return visitJsxText(node); - case 248: - return visitJsxExpression(node); - case 242: - return visitJsxElement(node, true); - case 243: - return visitJsxSelfClosingElement(node, true); - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; - } + return body; + } + ts.mergeFunctionBodyLexicalEnvironment = mergeFunctionBodyLexicalEnvironment; + function liftToBlock(nodes) { + Debug.assert(ts.every(nodes, ts.isStatement), "Cannot lift nodes to a Block."); + return ts.singleOrUndefined(nodes) || ts.createBlock(nodes); + } + ts.liftToBlock = liftToBlock; + function extractSingleNode(nodes) { + Debug.assert(nodes.length <= 1, "Too many nodes written to output."); + return ts.singleOrUndefined(nodes); + } + function aggregateTransformFlags(node) { + aggregateTransformFlagsForNode(node); + return node; + } + ts.aggregateTransformFlags = aggregateTransformFlags; + function aggregateTransformFlagsForNode(node) { + if (node === undefined) { + return 0; } - function visitJsxElement(node, isChild) { - return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, node); + else if (node.transformFlags & 536870912) { + return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } - function visitJsxSelfClosingElement(node, isChild) { - return visitJsxOpeningLikeElement(node, undefined, isChild, node); + else { + var subtreeFlags = aggregateTransformFlagsForSubtree(node); + return ts.computeTransformFlagsForNode(node, subtreeFlags); } - function visitJsxOpeningLikeElement(node, children, isChild, location) { - var tagName = getTagName(node); - var objectProperties; - var attrs = node.attributes; - if (attrs.length === 0) { - objectProperties = ts.createNull(); - } - else { - var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread - ? ts.map(attrs, transformJsxSpreadAttributeToExpression) - : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); - if (ts.isJsxSpreadAttribute(attrs[0])) { - segments.unshift(ts.createObjectLiteral()); - } - objectProperties = ts.singleOrUndefined(segments) - || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); - } - var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); - if (isChild) { - ts.startOnNewLine(element); - } - return element; + } + function aggregateTransformFlagsForSubtree(node) { + if (ts.hasModifier(node, 2) || ts.isTypeNode(node)) { + return 0; } - function transformJsxSpreadAttributeToExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + return reduceEachChild(node, aggregateTransformFlagsForChildNode, 0); + } + function aggregateTransformFlagsForChildNode(transformFlags, child) { + return transformFlags | aggregateTransformFlagsForNode(child); + } + function getTransformFlagsSubtreeExclusions(kind) { + if (kind >= 155 && kind <= 167) { + return -3; } - function transformJsxAttributeToObjectLiteralElement(node) { - var name = getAttributeName(node); - var expression = transformJsxAttributeInitializer(node.initializer); - return ts.createPropertyAssignment(name, expression); + switch (kind) { + case 175: + case 176: + case 171: + return 537922901; + case 226: + return 574729557; + case 143: + return 545262933; + case 181: + return 592227669; + case 180: + case 221: + return 592293205; + case 220: + return 545262933; + case 222: + case 193: + return 539749717; + case 149: + return 591760725; + case 148: + case 150: + case 151: + return 591760725; + case 118: + case 131: + case 128: + case 133: + case 121: + case 134: + case 104: + case 142: + case 145: + case 147: + case 152: + case 153: + case 154: + case 223: + case 224: + return -3; + case 172: + return 539110741; + default: + return 536874325; } - function transformJsxAttributeInitializer(node) { - if (node === undefined) { - return ts.createLiteral(true); - } - else if (node.kind === 9) { - var decoded = tryDecodeEntities(node.text); - return decoded ? ts.createLiteral(decoded, node) : node; + } + var Debug; + (function (Debug) { + Debug.failNotOptional = Debug.shouldAssert(1) + ? function (message) { return Debug.assert(false, message || "Node not optional."); } + : ts.noop; + Debug.failBadSyntaxKind = Debug.shouldAssert(1) + ? function (node, message) { return Debug.assert(false, message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " was unexpected."; }); } + : ts.noop; + Debug.assertNode = Debug.shouldAssert(1) + ? function (node, test, message) { return Debug.assert(test === undefined || test(node), message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }); } + : ts.noop; + function getFunctionName(func) { + if (typeof func !== "function") { + return ""; } - else if (node.kind === 248) { - return visitJsxExpression(node); + else if (func.hasOwnProperty("name")) { + return func.name; } else { - ts.Debug.failBadSyntaxKind(node); + var text = Function.prototype.toString.call(func); + var match = /^function\s+([\w\$]+)\s*\(/.exec(text); + return match ? match[1] : ""; } } - function visitJsxText(node) { - var text = ts.getTextOfNode(node, true); - var parts; - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - if (!parts) { - parts = []; - } - parts.push(ts.createLiteral(decodeEntities(part))); - } - firstNonWhitespace = -1; - } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } - } - } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - if (!parts) { - parts = []; - } - parts.push(ts.createLiteral(decodeEntities(part))); + })(Debug = ts.Debug || (ts.Debug = {})); + var _a; +})(ts || (ts = {})); +var ts; +(function (ts) { + function flattenDestructuringAssignment(context, node, needsValue, recordTempVariable, visitor) { + if (ts.isEmptyObjectLiteralOrArrayLiteral(node.left)) { + var right = node.right; + if (ts.isDestructuringAssignment(right)) { + return flattenDestructuringAssignment(context, right, needsValue, recordTempVariable, visitor); } - if (parts) { - return ts.reduceLeft(parts, aggregateJsxTextParts); + else { + return node.right; } - return undefined; - } - function aggregateJsxTextParts(left, right) { - return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); } - function decodeEntities(text) { - return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { - if (decimal) { - return String.fromCharCode(parseInt(decimal, 10)); - } - else if (hex) { - return String.fromCharCode(parseInt(hex, 16)); - } - else { - var ch = entities[word]; - return ch ? String.fromCharCode(ch) : match; - } - }); + var location = node; + var value = node.right; + var expressions = []; + if (needsValue) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment, visitor); } - function tryDecodeEntities(text) { - var decoded = decodeEntities(text); - return decoded === text ? undefined : decoded; + else if (ts.nodeIsSynthesized(node)) { + location = value; } - function getTagName(node) { - if (node.kind === 242) { - return getTagName(node.openingElement); - } - else { - var name_31 = node.tagName; - if (ts.isIdentifier(name_31) && ts.isIntrinsicJsxName(name_31.text)) { - return ts.createLiteral(name_31.text); - } - else { - return ts.createExpressionFromEntityName(name_31); - } - } + flattenDestructuring(node, value, location, emitAssignment, emitTempVariableAssignment, visitor); + if (needsValue) { + expressions.push(value); } - function getAttributeName(node) { - var name = node.name; - if (/^[A-Za-z_]\w*$/.test(name.text)) { - return name; - } - else { - return ts.createLiteral(name.text); - } + var expression = ts.inlineExpressions(expressions); + ts.aggregateTransformFlags(expression); + return expression; + function emitAssignment(name, value, location) { + var expression = ts.createAssignment(name, value, location); + ts.setEmitFlags(expression, 2048); + ts.aggregateTransformFlags(expression); + expressions.push(expression); } - function visitJsxExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(recordTempVariable); + emitAssignment(name, value, location); + return name; } } - ts.transformJsx = transformJsx; - function createEntitiesMap() { - return ts.createMap({ - "quot": 0x0022, - "amp": 0x0026, - "apos": 0x0027, - "lt": 0x003C, - "gt": 0x003E, - "nbsp": 0x00A0, - "iexcl": 0x00A1, - "cent": 0x00A2, - "pound": 0x00A3, - "curren": 0x00A4, - "yen": 0x00A5, - "brvbar": 0x00A6, - "sect": 0x00A7, - "uml": 0x00A8, - "copy": 0x00A9, - "ordf": 0x00AA, - "laquo": 0x00AB, - "not": 0x00AC, - "shy": 0x00AD, - "reg": 0x00AE, - "macr": 0x00AF, - "deg": 0x00B0, - "plusmn": 0x00B1, - "sup2": 0x00B2, - "sup3": 0x00B3, - "acute": 0x00B4, - "micro": 0x00B5, - "para": 0x00B6, - "middot": 0x00B7, - "cedil": 0x00B8, - "sup1": 0x00B9, - "ordm": 0x00BA, - "raquo": 0x00BB, - "frac14": 0x00BC, - "frac12": 0x00BD, - "frac34": 0x00BE, - "iquest": 0x00BF, - "Agrave": 0x00C0, - "Aacute": 0x00C1, - "Acirc": 0x00C2, - "Atilde": 0x00C3, - "Auml": 0x00C4, - "Aring": 0x00C5, - "AElig": 0x00C6, - "Ccedil": 0x00C7, - "Egrave": 0x00C8, - "Eacute": 0x00C9, - "Ecirc": 0x00CA, - "Euml": 0x00CB, - "Igrave": 0x00CC, - "Iacute": 0x00CD, - "Icirc": 0x00CE, - "Iuml": 0x00CF, - "ETH": 0x00D0, - "Ntilde": 0x00D1, - "Ograve": 0x00D2, - "Oacute": 0x00D3, - "Ocirc": 0x00D4, - "Otilde": 0x00D5, - "Ouml": 0x00D6, - "times": 0x00D7, - "Oslash": 0x00D8, - "Ugrave": 0x00D9, - "Uacute": 0x00DA, - "Ucirc": 0x00DB, - "Uuml": 0x00DC, - "Yacute": 0x00DD, - "THORN": 0x00DE, - "szlig": 0x00DF, - "agrave": 0x00E0, - "aacute": 0x00E1, - "acirc": 0x00E2, - "atilde": 0x00E3, - "auml": 0x00E4, - "aring": 0x00E5, - "aelig": 0x00E6, - "ccedil": 0x00E7, - "egrave": 0x00E8, - "eacute": 0x00E9, - "ecirc": 0x00EA, - "euml": 0x00EB, - "igrave": 0x00EC, - "iacute": 0x00ED, - "icirc": 0x00EE, - "iuml": 0x00EF, - "eth": 0x00F0, - "ntilde": 0x00F1, - "ograve": 0x00F2, - "oacute": 0x00F3, - "ocirc": 0x00F4, - "otilde": 0x00F5, - "ouml": 0x00F6, - "divide": 0x00F7, - "oslash": 0x00F8, - "ugrave": 0x00F9, - "uacute": 0x00FA, - "ucirc": 0x00FB, - "uuml": 0x00FC, - "yacute": 0x00FD, - "thorn": 0x00FE, - "yuml": 0x00FF, - "OElig": 0x0152, - "oelig": 0x0153, - "Scaron": 0x0160, - "scaron": 0x0161, - "Yuml": 0x0178, - "fnof": 0x0192, - "circ": 0x02C6, - "tilde": 0x02DC, - "Alpha": 0x0391, - "Beta": 0x0392, - "Gamma": 0x0393, - "Delta": 0x0394, - "Epsilon": 0x0395, - "Zeta": 0x0396, - "Eta": 0x0397, - "Theta": 0x0398, - "Iota": 0x0399, - "Kappa": 0x039A, - "Lambda": 0x039B, - "Mu": 0x039C, - "Nu": 0x039D, - "Xi": 0x039E, - "Omicron": 0x039F, - "Pi": 0x03A0, - "Rho": 0x03A1, - "Sigma": 0x03A3, - "Tau": 0x03A4, - "Upsilon": 0x03A5, - "Phi": 0x03A6, - "Chi": 0x03A7, - "Psi": 0x03A8, - "Omega": 0x03A9, - "alpha": 0x03B1, - "beta": 0x03B2, - "gamma": 0x03B3, - "delta": 0x03B4, - "epsilon": 0x03B5, - "zeta": 0x03B6, - "eta": 0x03B7, - "theta": 0x03B8, - "iota": 0x03B9, - "kappa": 0x03BA, - "lambda": 0x03BB, - "mu": 0x03BC, - "nu": 0x03BD, - "xi": 0x03BE, - "omicron": 0x03BF, - "pi": 0x03C0, - "rho": 0x03C1, - "sigmaf": 0x03C2, - "sigma": 0x03C3, - "tau": 0x03C4, - "upsilon": 0x03C5, - "phi": 0x03C6, - "chi": 0x03C7, - "psi": 0x03C8, - "omega": 0x03C9, - "thetasym": 0x03D1, - "upsih": 0x03D2, - "piv": 0x03D6, - "ensp": 0x2002, - "emsp": 0x2003, - "thinsp": 0x2009, - "zwnj": 0x200C, - "zwj": 0x200D, - "lrm": 0x200E, - "rlm": 0x200F, - "ndash": 0x2013, - "mdash": 0x2014, - "lsquo": 0x2018, - "rsquo": 0x2019, - "sbquo": 0x201A, - "ldquo": 0x201C, - "rdquo": 0x201D, - "bdquo": 0x201E, - "dagger": 0x2020, - "Dagger": 0x2021, - "bull": 0x2022, - "hellip": 0x2026, - "permil": 0x2030, - "prime": 0x2032, - "Prime": 0x2033, - "lsaquo": 0x2039, - "rsaquo": 0x203A, - "oline": 0x203E, - "frasl": 0x2044, - "euro": 0x20AC, - "image": 0x2111, - "weierp": 0x2118, - "real": 0x211C, - "trade": 0x2122, - "alefsym": 0x2135, - "larr": 0x2190, - "uarr": 0x2191, - "rarr": 0x2192, - "darr": 0x2193, - "harr": 0x2194, - "crarr": 0x21B5, - "lArr": 0x21D0, - "uArr": 0x21D1, - "rArr": 0x21D2, - "dArr": 0x21D3, - "hArr": 0x21D4, - "forall": 0x2200, - "part": 0x2202, - "exist": 0x2203, - "empty": 0x2205, - "nabla": 0x2207, - "isin": 0x2208, - "notin": 0x2209, - "ni": 0x220B, - "prod": 0x220F, - "sum": 0x2211, - "minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }); - } -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2017(context) { - var ES2017SubstitutionFlags; - (function (ES2017SubstitutionFlags) { - ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; - })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; - var resolver = context.getEmitResolver(); - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var currentSourceFileExternalHelpersModuleName; - var enabledSubstitutions; - var applicableSubstitutions; - var currentSuperContainer; - var previousOnEmitNode = context.onEmitNode; - var previousOnSubstituteNode = context.onSubstituteNode; - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - var currentScope; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; - return ts.visitEachChild(node, visitor, context); + ts.flattenDestructuringAssignment = flattenDestructuringAssignment; + function flattenParameterDestructuring(node, value, visitor) { + var declarations = []; + flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); + return declarations; + function emitAssignment(name, value, location) { + var declaration = ts.createVariableDeclaration(name, undefined, value, location); + ts.setEmitFlags(declaration, 2048); + ts.aggregateTransformFlags(declaration); + declarations.push(declaration); } - function visitor(node) { - if (node.transformFlags & 16) { - return visitorWorker(node); - } - else if (node.transformFlags & 32) { - return ts.visitEachChild(node, visitor, context); - } - return node; + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(undefined); + emitAssignment(name, value, location); + return name; } - function visitorWorker(node) { - switch (node.kind) { - case 119: - return undefined; - case 185: - return visitAwaitExpression(node); - case 148: - return visitMethodDeclaration(node); - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); - case 181: - return visitArrowFunction(node); - default: - ts.Debug.failBadSyntaxKind(node); - return node; + } + ts.flattenParameterDestructuring = flattenParameterDestructuring; + function flattenVariableDestructuring(node, value, visitor, recordTempVariable) { + var declarations = []; + var pendingAssignments; + flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor); + return declarations; + function emitAssignment(name, value, location, original) { + if (pendingAssignments) { + pendingAssignments.push(value); + value = ts.inlineExpressions(pendingAssignments); + pendingAssignments = undefined; } + var declaration = ts.createVariableDeclaration(name, undefined, value, location); + declaration.original = original; + ts.setEmitFlags(declaration, 2048); + declarations.push(declaration); + ts.aggregateTransformFlags(declaration); } - function visitAwaitExpression(node) { - return ts.setOriginalNode(ts.createYield(undefined, ts.visitNode(node.expression, visitor, ts.isExpression), node), node); - } - function visitMethodDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(recordTempVariable); + if (recordTempVariable) { + var assignment = ts.createAssignment(name, value, location); + if (pendingAssignments) { + pendingAssignments.push(assignment); + } + else { + pendingAssignments = [assignment]; + } } - var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setCommentRange(method, node); - ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(method, node); - return method; - } - function visitFunctionDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; + else { + emitAssignment(name, value, location, undefined); } - var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; + return name; } - function visitFunctionExpression(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - if (ts.nodeIsMissing(node.body)) { - return ts.createOmittedExpression(); - } - var func = ts.createFunctionExpression(undefined, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); - ts.setOriginalNode(func, node); - return func; + } + ts.flattenVariableDestructuring = flattenVariableDestructuring; + function flattenVariableDestructuringToExpression(node, recordTempVariable, nameSubstitution, visitor) { + var pendingAssignments = []; + flattenDestructuring(node, undefined, node, emitAssignment, emitTempVariableAssignment, visitor); + var expression = ts.inlineExpressions(pendingAssignments); + ts.aggregateTransformFlags(expression); + return expression; + function emitAssignment(name, value, location, original) { + var left = nameSubstitution && nameSubstitution(name) || name; + emitPendingAssignment(left, value, location, original); } - function visitArrowFunction(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); - ts.setOriginalNode(func, node); - return func; + function emitTempVariableAssignment(value, location) { + var name = ts.createTempVariable(recordTempVariable); + emitPendingAssignment(name, value, location, undefined); + return name; } - function transformFunctionBody(node) { - return transformAsyncFunctionBody(node); + function emitPendingAssignment(name, value, location, original) { + var expression = ts.createAssignment(name, value, location); + expression.original = original; + ts.setEmitFlags(expression, 2048); + pendingAssignments.push(expression); + return expression; } - function transformConciseBody(node) { - return transformAsyncFunctionBody(node); + } + ts.flattenVariableDestructuringToExpression = flattenVariableDestructuringToExpression; + function flattenDestructuring(root, value, location, emitAssignment, emitTempVariableAssignment, visitor) { + if (value && visitor) { + value = ts.visitNode(value, visitor, ts.isExpression); } - function transformFunctionBodyWorker(body, start) { - if (start === void 0) { start = 0; } - var savedCurrentScope = currentScope; - currentScope = body; - startLexicalEnvironment(); - var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); - var visited = ts.updateBlock(body, statements); - var declarations = endLexicalEnvironment(); - currentScope = savedCurrentScope; - return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (ts.isBinaryExpression(root)) { + emitDestructuringAssignment(root.left, value, location); } - function transformAsyncFunctionBody(node) { - var nodeType = node.original ? node.original.type : node.type; - var promiseConstructor = languageVersion < 2 ? getPromiseConstructor(nodeType) : undefined; - var isArrowFunction = node.kind === 181; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; - if (!isArrowFunction) { - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, false, visitor); - statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); - var block = ts.createBlock(statements, node.body, true); - if (languageVersion >= 2) { - if (resolver.getNodeCheckFlags(node) & 4096) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 8); - } - else if (resolver.getNodeCheckFlags(node) & 2048) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 4); - } + else { + emitBindingElement(root, value); + } + function emitDestructuringAssignment(bindingTarget, value, location) { + var target; + if (ts.isShorthandPropertyAssignment(bindingTarget)) { + var initializer = visitor + ? ts.visitNode(bindingTarget.objectAssignmentInitializer, visitor, ts.isExpression) + : bindingTarget.objectAssignmentInitializer; + if (initializer) { + value = createDefaultValueCheck(value, initializer, location); } - return block; - } - else { - return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, true)); + target = bindingTarget.name; } - } - function transformConciseBodyWorker(body, forceBlockFunctionBody) { - if (ts.isBlock(body)) { - return transformFunctionBodyWorker(body); + else if (ts.isBinaryExpression(bindingTarget) && bindingTarget.operatorToken.kind === 57) { + var initializer = visitor + ? ts.visitNode(bindingTarget.right, visitor, ts.isExpression) + : bindingTarget.right; + value = createDefaultValueCheck(value, initializer, location); + target = bindingTarget.left; } else { - startLexicalEnvironment(); - var visited = ts.visitNode(body, visitor, ts.isConciseBody); - var declarations = endLexicalEnvironment(); - var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - if (forceBlockFunctionBody && !ts.isBlock(merged)) { - return ts.createBlock([ - ts.createReturn(merged) - ]); - } - else { - return merged; - } + target = bindingTarget; } - } - function getPromiseConstructor(type) { - var typeName = ts.getEntityNameFromTypeNode(type); - if (typeName && ts.isEntityName(typeName)) { - var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); - if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue - || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { - return typeName; - } + if (target.kind === 172) { + emitObjectLiteralAssignment(target, value, location); } - return undefined; - } - function enableSubstitutionForAsyncMethodsWithSuper() { - if ((enabledSubstitutions & 1) === 0) { - enabledSubstitutions |= 1; - context.enableSubstitution(175); - context.enableSubstitution(173); - context.enableSubstitution(174); - context.enableEmitNotification(222); - context.enableEmitNotification(148); - context.enableEmitNotification(150); - context.enableEmitNotification(151); - context.enableEmitNotification(149); + else if (target.kind === 171) { + emitArrayLiteralAssignment(target, value, location); } - } - function substituteExpression(node) { - switch (node.kind) { - case 173: - return substitutePropertyAccessExpression(node); - case 174: - return substituteElementAccessExpression(node); - case 175: - if (enabledSubstitutions & 1) { - return substituteCallExpression(node); - } - break; + else { + var name_29 = ts.getMutableClone(target); + ts.setSourceMapRange(name_29, target); + ts.setCommentRange(name_29, target); + emitAssignment(name_29, value, location, undefined); } - return node; } - function substitutePropertyAccessExpression(node) { - if (enabledSubstitutions & 1 && node.expression.kind === 96) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); - } + function emitObjectLiteralAssignment(target, value, location) { + var properties = target.properties; + if (properties.length !== 1) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment); } - return node; - } - function substituteElementAccessExpression(node) { - if (enabledSubstitutions & 1 && node.expression.kind === 96) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); + for (var _i = 0, properties_6 = properties; _i < properties_6.length; _i++) { + var p = properties_6[_i]; + if (p.kind === 253 || p.kind === 254) { + var propName = p.name; + var target_1 = p.kind === 254 ? p : p.initializer || propName; + emitDestructuringAssignment(target_1, createDestructuringPropertyAccess(value, propName), p); } } - return node; } - function substituteCallExpression(node) { - var expression = node.expression; - if (ts.isSuperProperty(expression)) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - var argumentExpression = ts.isPropertyAccessExpression(expression) - ? substitutePropertyAccessExpression(expression) - : substituteElementAccessExpression(expression); - return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), undefined, [ - ts.createThis() - ].concat(node.arguments)); + function emitArrayLiteralAssignment(target, value, location) { + var elements = target.elements; + var numElements = elements.length; + if (numElements !== 1) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment); + } + for (var i = 0; i < numElements; i++) { + var e = elements[i]; + if (e.kind !== 194) { + if (e.kind !== 192) { + emitDestructuringAssignment(e, ts.createElementAccess(value, ts.createLiteral(i)), e); + } + else if (i === numElements - 1) { + emitDestructuringAssignment(e.expression, ts.createArraySlice(value, i), e); + } } } - return node; - } - function isSuperContainer(node) { - var kind = node.kind; - return kind === 222 - || kind === 149 - || kind === 148 - || kind === 150 - || kind === 151; } - function onEmitNode(emitContext, node, emitCallback) { - var savedApplicableSubstitutions = applicableSubstitutions; - var savedCurrentSuperContainer = currentSuperContainer; - if (enabledSubstitutions & 1 && isSuperContainer(node)) { - currentSuperContainer = node; + function emitBindingElement(target, value) { + var initializer = visitor ? ts.visitNode(target.initializer, visitor, ts.isExpression) : target.initializer; + if (initializer) { + value = value ? createDefaultValueCheck(value, initializer, target) : initializer; } - previousOnEmitNode(emitContext, node, emitCallback); - applicableSubstitutions = savedApplicableSubstitutions; - currentSuperContainer = savedCurrentSuperContainer; - } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + else if (!value) { + value = ts.createVoidZero(); } - return node; - } - function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { - if (flags & 4096) { - return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression]), "value", location); + var name = target.name; + if (ts.isBindingPattern(name)) { + var elements = name.elements; + var numElements = elements.length; + if (numElements !== 1) { + value = ensureIdentifier(value, numElements !== 0, target, emitTempVariableAssignment); + } + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (ts.isOmittedExpression(element)) { + continue; + } + else if (name.kind === 168) { + var propName = element.propertyName || element.name; + emitBindingElement(element, createDestructuringPropertyAccess(value, propName)); + } + else { + if (!element.dotDotDotToken) { + emitBindingElement(element, ts.createElementAccess(value, i)); + } + else if (i === numElements - 1) { + emitBindingElement(element, ts.createArraySlice(value, i)); + } + } + } } else { - return ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression], location); + emitAssignment(name, value, target, target); } } - function getSuperContainerAsyncMethodFlags() { - return currentSuperContainer !== undefined - && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 | 4096); - } - } - ts.transformES2017 = transformES2017; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2016(context) { - var hoistVariableDeclaration = context.hoistVariableDeclaration; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - return ts.visitEachChild(node, visitor, context); + function createDefaultValueCheck(value, defaultValue, location) { + value = ensureIdentifier(value, true, location, emitTempVariableAssignment); + return ts.createConditional(ts.createStrictEquality(value, ts.createVoidZero()), ts.createToken(54), defaultValue, ts.createToken(55), value); } - function visitor(node) { - if (node.transformFlags & 64) { - return visitorWorker(node); + function createDestructuringPropertyAccess(expression, propertyName) { + if (ts.isComputedPropertyName(propertyName)) { + return ts.createElementAccess(expression, ensureIdentifier(propertyName.expression, false, propertyName, emitTempVariableAssignment)); } - else if (node.transformFlags & 128) { - return ts.visitEachChild(node, visitor, context); + else if (ts.isLiteralExpression(propertyName)) { + var clone_2 = ts.getSynthesizedClone(propertyName); + clone_2.text = ts.unescapeIdentifier(clone_2.text); + return ts.createElementAccess(expression, clone_2); } else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 188: - return visitBinaryExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function visitBinaryExpression(node) { - var left = ts.visitNode(node.left, visitor, ts.isExpression); - var right = ts.visitNode(node.right, visitor, ts.isExpression); - if (node.operatorToken.kind === 61) { - var target = void 0; - var value = void 0; - if (ts.isElementAccessExpression(left)) { - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, left.argumentExpression), left); - value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, left); - } - else if (ts.isPropertyAccessExpression(left)) { - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), left.name, left); - value = ts.createPropertyAccess(expressionTemp, left.name, left); + if (ts.isGeneratedIdentifier(propertyName)) { + var clone_3 = ts.getSynthesizedClone(propertyName); + clone_3.text = ts.unescapeIdentifier(clone_3.text); + return ts.createPropertyAccess(expression, clone_3); } else { - target = left; - value = left; + return ts.createPropertyAccess(expression, ts.createIdentifier(ts.unescapeIdentifier(propertyName.text))); } - return ts.createAssignment(target, ts.createMathPow(value, right, node), node); - } - else if (node.operatorToken.kind === 39) { - return ts.createMathPow(left, right, node); } - else { - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); + } + } + function ensureIdentifier(value, reuseIdentifierExpressions, location, emitTempVariableAssignment, visitor) { + if (ts.isIdentifier(value) && reuseIdentifierExpressions) { + return value; + } + else { + if (visitor) { + value = ts.visitNode(value, visitor, ts.isExpression); } + return emitTempVariableAssignment(value, location); } } - ts.transformES2016 = transformES2016; })(ts || (ts = {})); var ts; (function (ts) { - var ES2015SubstitutionFlags; - (function (ES2015SubstitutionFlags) { - ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; - ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; - })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); - var CopyDirection; - (function (CopyDirection) { - CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; - CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; - })(CopyDirection || (CopyDirection = {})); - var Jump; - (function (Jump) { - Jump[Jump["Break"] = 2] = "Break"; - Jump[Jump["Continue"] = 4] = "Continue"; - Jump[Jump["Return"] = 8] = "Return"; - })(Jump || (Jump = {})); - var SuperCaptureResult; - (function (SuperCaptureResult) { - SuperCaptureResult[SuperCaptureResult["NoReplacement"] = 0] = "NoReplacement"; - SuperCaptureResult[SuperCaptureResult["ReplaceSuperCapture"] = 1] = "ReplaceSuperCapture"; - SuperCaptureResult[SuperCaptureResult["ReplaceWithReturn"] = 2] = "ReplaceWithReturn"; - })(SuperCaptureResult || (SuperCaptureResult = {})); - function transformES2015(context) { + var USE_NEW_TYPE_METADATA_FORMAT = false; + function transformTypeScript(context) { var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; var resolver = context.getEmitResolver(); - var previousOnSubstituteNode = context.onSubstituteNode; + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; context.onEmitNode = onEmitNode; context.onSubstituteNode = onSubstituteNode; + context.enableSubstitution(173); + context.enableSubstitution(174); var currentSourceFile; - var currentText; - var currentParent; - var currentNode; - var enclosingVariableStatement; - var enclosingBlockScopeContainer; - var enclosingBlockScopeContainerParent; - var enclosingFunction; - var enclosingNonArrowFunction; - var enclosingNonAsyncFunctionBody; - var convertedLoopState; + var currentNamespace; + var currentNamespaceContainerName; + var currentScope; + var currentScopeFirstDeclarationsOfName; + var currentSourceFileExternalHelpersModuleName; var enabledSubstitutions; + var classAliases; + var applicableSubstitutions; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - currentSourceFile = node; - currentText = node.text; return ts.visitNode(node, visitor, ts.isSourceFile); } - function visitor(node) { - return saveStateAndInvoke(node, dispatcher); - } - function dispatcher(node) { - return convertedLoopState - ? visitorForConvertedLoopWorker(node) - : visitorWorker(node); - } function saveStateAndInvoke(node, f) { - var savedEnclosingFunction = enclosingFunction; - var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; - var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; - var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; - var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; - var savedEnclosingVariableStatement = enclosingVariableStatement; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var savedConvertedLoopState = convertedLoopState; - if (ts.nodeStartsNewLexicalEnvironment(node)) { - convertedLoopState = undefined; - } + var savedCurrentScope = currentScope; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; onBeforeVisitNode(node); var visited = f(node); - convertedLoopState = savedConvertedLoopState; - enclosingFunction = savedEnclosingFunction; - enclosingNonArrowFunction = savedEnclosingNonArrowFunction; - enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; - enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; - enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; - enclosingVariableStatement = savedEnclosingVariableStatement; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; + if (currentScope !== savedCurrentScope) { + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + } + currentScope = savedCurrentScope; return visited; } - function shouldCheckNode(node) { - return (node.transformFlags & 256) !== 0 || - node.kind === 215 || - (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); + function visitor(node) { + return saveStateAndInvoke(node, visitorWorker); } function visitorWorker(node) { - if (shouldCheckNode(node)) { - return visitJavaScript(node); + if (node.kind === 256) { + return visitSourceFile(node); } - else if (node.transformFlags & 512) { + else if (node.transformFlags & 1) { + return visitTypeScript(node); + } + else if (node.transformFlags & 2) { return ts.visitEachChild(node, visitor, context); } - else { - return node; + return node; + } + function sourceElementVisitor(node) { + return saveStateAndInvoke(node, sourceElementVisitorWorker); + } + function sourceElementVisitorWorker(node) { + switch (node.kind) { + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 236: + return visitExportAssignment(node); + case 237: + return visitExportDeclaration(node); + default: + return visitorWorker(node); } } - function visitorForConvertedLoopWorker(node) { - var result; - if (shouldCheckNode(node)) { - result = visitJavaScript(node); + function namespaceElementVisitor(node) { + return saveStateAndInvoke(node, namespaceElementVisitorWorker); + } + function namespaceElementVisitorWorker(node) { + if (node.kind === 237 || + node.kind === 231 || + node.kind === 232 || + (node.kind === 230 && + node.moduleReference.kind === 241)) { + return undefined; } - else { - result = visitNodesInConvertedLoop(node); + else if (node.transformFlags & 1 || ts.hasModifier(node, 1)) { + return visitTypeScript(node); } - return result; + else if (node.transformFlags & 2) { + return ts.visitEachChild(node, visitor, context); + } + return node; } - function visitNodesInConvertedLoop(node) { + function classElementVisitor(node) { + return saveStateAndInvoke(node, classElementVisitorWorker); + } + function classElementVisitorWorker(node) { switch (node.kind) { - case 212: - return visitReturnStatement(node); - case 201: - return visitVariableStatement(node); - case 214: - return visitSwitchStatement(node); - case 211: - case 210: - return visitBreakOrContinueStatement(node); - case 98: - return visitThisKeyword(node); - case 70: - return visitIdentifier(node); + case 149: + return undefined; + case 146: + case 154: + case 150: + case 151: + case 148: + return visitorWorker(node); + case 199: + return node; default: - return ts.visitEachChild(node, visitor, context); + ts.Debug.failBadSyntaxKind(node); + return undefined; } } - function visitJavaScript(node) { + function visitTypeScript(node) { + if (ts.hasModifier(node, 2) && ts.isStatement(node)) { + return ts.createNotEmittedStatement(node); + } switch (node.kind) { case 83: - return node; + case 78: + return currentNamespace ? undefined : node; + case 113: + case 111: + case 112: + case 116: + case 75: + case 123: + case 129: + case 161: + case 162: + case 160: + case 155: + case 142: + case 118: + case 121: + case 133: + case 131: + case 128: + case 104: + case 134: + case 158: + case 157: + case 159: + case 156: + case 163: + case 164: + case 165: + case 166: + case 167: + case 154: + case 144: + case 224: + case 146: + case 149: + return visitConstructor(node); + case 223: + return ts.createNotEmittedStatement(node); case 222: return visitClassDeclaration(node); case 193: return visitClassExpression(node); - case 143: - return visitParameter(node); + case 251: + return visitHeritageClause(node); + case 195: + return visitExpressionWithTypeArguments(node); + case 148: + return visitMethodDeclaration(node); + case 150: + return visitGetAccessor(node); + case 151: + return visitSetAccessor(node); case 221: return visitFunctionDeclaration(node); - case 181: - return visitArrowFunction(node); case 180: return visitFunctionExpression(node); - case 219: - return visitVariableDeclaration(node); - case 70: - return visitIdentifier(node); - case 220: - return visitVariableDeclarationList(node); - case 215: - return visitLabeledStatement(node); - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 207: - return visitForStatement(node); - case 208: - return visitForInStatement(node); - case 209: - return visitForOfStatement(node); - case 203: - return visitExpressionStatement(node); - case 172: - return visitObjectLiteralExpression(node); - case 254: - return visitShorthandPropertyAssignment(node); - case 171: - return visitArrayLiteralExpression(node); + case 181: + return visitArrowFunction(node); + case 143: + return visitParameter(node); + case 179: + return visitParenthesizedExpression(node); + case 178: + case 196: + return visitAssertionExpression(node); case 175: return visitCallExpression(node); case 176: return visitNewExpression(node); - case 179: - return visitParenthesizedExpression(node, true); - case 188: - return visitBinaryExpression(node, true); - case 12: - case 13: - case 14: - case 15: - return visitTemplateLiteral(node); - case 177: - return visitTaggedTemplateExpression(node); - case 190: - return visitTemplateExpression(node); - case 191: - return visitYieldExpression(node); - case 96: - return visitSuperKeyword(); - case 191: - return ts.visitEachChild(node, visitor, context); - case 148: - return visitMethodDeclaration(node); - case 256: - return visitSourceFileNode(node); + case 197: + return visitNonNullExpression(node); + case 225: + return visitEnumDeclaration(node); case 201: return visitVariableStatement(node); + case 219: + return visitVariableDeclaration(node); + case 226: + return visitModuleDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); default: ts.Debug.failBadSyntaxKind(node); return ts.visitEachChild(node, visitor, context); } } function onBeforeVisitNode(node) { - if (currentNode) { - if (ts.isBlockScope(currentNode, currentParent)) { - enclosingBlockScopeContainer = currentNode; - enclosingBlockScopeContainerParent = currentParent; - } - if (ts.isFunctionLike(currentNode)) { - enclosingFunction = currentNode; - if (currentNode.kind !== 181) { - enclosingNonArrowFunction = currentNode; - if (!(ts.getEmitFlags(currentNode) & 2097152)) { - enclosingNonAsyncFunctionBody = currentNode; - } - } - } - switch (currentNode.kind) { - case 201: - enclosingVariableStatement = currentNode; - break; - case 220: - case 219: - case 170: - case 168: - case 169: + switch (node.kind) { + case 256: + case 228: + case 227: + case 200: + currentScope = node; + currentScopeFirstDeclarationsOfName = undefined; + break; + case 222: + case 221: + if (ts.hasModifier(node, 2)) { break; - default: - enclosingVariableStatement = undefined; - } + } + recordEmittedDeclarationInScope(node); + break; } - currentParent = currentNode; - currentNode = node; - } - function visitSwitchStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps |= 2; - var result = ts.visitEachChild(node, visitor, context); - convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; - return result; } - function visitReturnStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - convertedLoopState.nonLocalJumps |= 8; - return ts.createReturn(ts.createObjectLiteral([ - ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression - ? ts.visitNode(node.expression, visitor, ts.isExpression) - : ts.createVoidZero()) - ])); + function visitSourceFile(node) { + currentSourceFile = node; + if (compilerOptions.alwaysStrict) { + node = ts.ensureUseStrict(node); + } + if (node.flags & 31744 + && compilerOptions.importHelpers + && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, false, visitor); + var externalHelpersModuleName = ts.createUniqueName(ts.externalHelpersModuleNameText); + var externalHelpersModuleImport = ts.createImportDeclaration(undefined, undefined, ts.createImportClause(undefined, ts.createNamespaceImport(externalHelpersModuleName)), ts.createLiteral(ts.externalHelpersModuleNameText)); + externalHelpersModuleImport.parent = node; + externalHelpersModuleImport.flags &= ~8; + statements.push(externalHelpersModuleImport); + currentSourceFileExternalHelpersModuleName = externalHelpersModuleName; + ts.addRange(statements, ts.visitNodes(node.statements, sourceElementVisitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + currentSourceFileExternalHelpersModuleName = undefined; + node = ts.updateSourceFileNode(node, ts.createNodeArray(statements, node.statements)); + node.externalHelpersModuleName = externalHelpersModuleName; + } + else { + node = ts.visitEachChild(node, sourceElementVisitor, context); + } + ts.setEmitFlags(node, 1 | ts.getEmitFlags(node)); + return node; } - function visitThisKeyword(node) { - ts.Debug.assert(convertedLoopState !== undefined); - if (enclosingFunction && enclosingFunction.kind === 181) { - convertedLoopState.containsLexicalThis = true; - return node; + function shouldEmitDecorateCallForClass(node) { + if (node.decorators && node.decorators.length > 0) { + return true; } - return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + return ts.forEach(constructor.parameters, shouldEmitDecorateCallForParameter); + } + return false; } - function visitIdentifier(node) { - if (!convertedLoopState) { - return node; + function shouldEmitDecorateCallForParameter(parameter) { + return parameter.decorators !== undefined && parameter.decorators.length > 0; + } + function visitClassDeclaration(node) { + var staticProperties = getInitializedProperties(node, true); + var hasExtendsClause = ts.getClassExtendsHeritageClauseElement(node) !== undefined; + var isDecoratedClass = shouldEmitDecorateCallForClass(node); + var classAlias; + var name = node.name; + if (!name && staticProperties.length > 0) { + name = ts.getGeneratedNameForNode(node); } - if (ts.isGeneratedIdentifier(node)) { - return node; + var statements = []; + if (!isDecoratedClass) { + var classDeclaration = ts.createClassDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), node); + ts.setOriginalNode(classDeclaration, node); + if (staticProperties.length > 0) { + ts.setEmitFlags(classDeclaration, 1024 | ts.getEmitFlags(classDeclaration)); + } + statements.push(classDeclaration); } - if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { - return node; + else { + classAlias = addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause); } - return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); - } - function visitBreakOrContinueStatement(node) { - if (convertedLoopState) { - var jump = node.kind === 211 ? 2 : 4; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - var labelMarker = void 0; - if (!node.label) { - if (node.kind === 211) { - convertedLoopState.nonLocalJumps |= 2; - labelMarker = "break"; - } - else { - convertedLoopState.nonLocalJumps |= 4; - labelMarker = "continue"; - } - } - else { - if (node.kind === 211) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); - } - } - var returnExpression = ts.createLiteral(labelMarker); - if (convertedLoopState.loopOutParameters.length) { - var outParams = convertedLoopState.loopOutParameters; - var expr = void 0; - for (var i = 0; i < outParams.length; i++) { - var copyExpr = copyOutParameter(outParams[i], 1); - if (i === 0) { - expr = copyExpr; - } - else { - expr = ts.createBinary(expr, 25, copyExpr); - } - } - returnExpression = ts.createBinary(expr, 25, returnExpression); - } - return ts.createReturn(returnExpression); + if (staticProperties.length) { + addInitializedPropertyStatements(statements, staticProperties, getLocalName(node, true)); + } + addClassElementDecorationStatements(statements, node, false); + addClassElementDecorationStatements(statements, node, true); + addConstructorDecorationStatement(statements, node, classAlias); + if (isNamespaceExport(node)) { + addExportMemberAssignment(statements, node); + } + else if (isDecoratedClass) { + if (isDefaultExternalModuleExport(node)) { + statements.push(ts.createExportAssignment(undefined, undefined, false, getLocalName(node))); + } + else if (isNamedExternalModuleExport(node)) { + statements.push(createExternalModuleExport(name)); } } - return ts.visitEachChild(node, visitor, context); + return statements; } - function visitClassDeclaration(node) { - var modifierFlags = ts.getModifierFlags(node); - var isExported = modifierFlags & 1; - var isDefault = modifierFlags & 512; - var modifiers = isExported && !isDefault - ? ts.filter(node.modifiers, isExportModifier) - : undefined; - var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(getDeclarationName(node, true), undefined, transformClassLikeDeclarationToExpression(node)) - ]), node); - ts.setOriginalNode(statement, node); - ts.startOnNewLine(statement); - if (isExported && isDefault) { - var statements = [statement]; - statements.push(ts.createExportAssignment(undefined, undefined, false, getDeclarationName(node, false))); - return statements; + function addClassDeclarationHeadWithDecorators(statements, node, name, hasExtendsClause) { + var location = ts.moveRangePastDecorators(node); + var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, name, undefined, ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause), transformClassMembers(node, hasExtendsClause), location), node); + if (!name) { + name = ts.getGeneratedNameForNode(node); } - return statement; - } - function isExportModifier(node) { - return node.kind === 83; + var classAlias; + if (resolver.getNodeCheckFlags(node) & 8388608) { + enableSubstitutionForClassAliases(); + classAlias = ts.createUniqueName(node.name && !ts.isGeneratedIdentifier(node.name) ? node.name.text : "default"); + classAliases[ts.getOriginalNodeId(node)] = classAlias; + } + var declaredName = getDeclarationName(node, true); + var transformedClassExpression = ts.createVariableStatement(undefined, ts.createLetDeclarationList([ + ts.createVariableDeclaration(classAlias || declaredName, undefined, classExpression) + ]), location); + ts.setCommentRange(transformedClassExpression, node); + statements.push(ts.setOriginalNode(transformedClassExpression, node)); + if (classAlias) { + statements.push(ts.setOriginalNode(ts.createVariableStatement(undefined, ts.createLetDeclarationList([ + ts.createVariableDeclaration(declaredName, undefined, classAlias) + ]), location), node)); + } + return classAlias; } function visitClassExpression(node) { - return transformClassLikeDeclarationToExpression(node); + var staticProperties = getInitializedProperties(node, true); + var heritageClauses = ts.visitNodes(node.heritageClauses, visitor, ts.isHeritageClause); + var members = transformClassMembers(node, ts.some(heritageClauses, function (c) { return c.token === 84; })); + var classExpression = ts.setOriginalNode(ts.createClassExpression(undefined, node.name, undefined, heritageClauses, members, node), node); + if (staticProperties.length > 0) { + var expressions = []; + var temp = ts.createTempVariable(hoistVariableDeclaration); + if (resolver.getNodeCheckFlags(node) & 8388608) { + enableSubstitutionForClassAliases(); + classAliases[ts.getOriginalNodeId(node)] = ts.getSynthesizedClone(temp); + } + ts.setEmitFlags(classExpression, 524288 | ts.getEmitFlags(classExpression)); + expressions.push(ts.startOnNewLine(ts.createAssignment(temp, classExpression))); + ts.addRange(expressions, generateInitializedPropertyExpressions(staticProperties, temp)); + expressions.push(ts.startOnNewLine(temp)); + return ts.inlineExpressions(expressions); + } + return classExpression; } - function transformClassLikeDeclarationToExpression(node) { - if (node.name) { - enableSubstitutionsForBlockScopedBindings(); + function transformClassMembers(node, hasExtendsClause) { + var members = []; + var constructor = transformConstructor(node, hasExtendsClause); + if (constructor) { + members.push(constructor); } - var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); - var classFunction = ts.createFunctionExpression(undefined, undefined, undefined, undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], undefined, transformClassBody(node, extendsClauseElement)); - if (ts.getEmitFlags(node) & 524288) { - ts.setEmitFlags(classFunction, 524288); + ts.addRange(members, ts.visitNodes(node.members, classElementVisitor, ts.isClassElement)); + return ts.createNodeArray(members, node.members); + } + function transformConstructor(node, hasExtendsClause) { + var hasInstancePropertyWithInitializer = ts.forEach(node.members, isInstanceInitializedProperty); + var hasParameterPropertyAssignments = node.transformFlags & 524288; + var constructor = ts.getFirstConstructorWithBody(node); + if (!hasInstancePropertyWithInitializer && !hasParameterPropertyAssignments) { + return ts.visitEachChild(constructor, visitor, context); } - var inner = ts.createPartiallyEmittedExpression(classFunction); - inner.end = node.end; - ts.setEmitFlags(inner, 49152); - var outer = ts.createPartiallyEmittedExpression(inner); - outer.end = ts.skipTrivia(currentText, node.pos); - ts.setEmitFlags(outer, 49152); - return ts.createParen(ts.createCall(outer, undefined, extendsClauseElement - ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] - : [])); + var parameters = transformConstructorParameters(constructor); + var body = transformConstructorBody(node, constructor, hasExtendsClause); + return ts.startOnNewLine(ts.setOriginalNode(ts.createConstructor(undefined, undefined, parameters, body, constructor || node), constructor)); } - function transformClassBody(node, extendsClauseElement) { + function transformConstructorParameters(constructor) { + return constructor + ? ts.visitNodes(constructor.parameters, visitor, ts.isParameter) + : []; + } + function transformConstructorBody(node, constructor, hasExtendsClause) { var statements = []; + var indexOfFirstStatement = 0; startLexicalEnvironment(); - addExtendsHelperIfNeeded(statements, node, extendsClauseElement); - addConstructor(statements, node, extendsClauseElement); - addClassMembers(statements, node); - var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17); - var localName = getLocalName(node); - var outer = ts.createPartiallyEmittedExpression(localName); - outer.end = closingBraceLocation.end; - ts.setEmitFlags(outer, 49152); - var statement = ts.createReturn(outer); - statement.pos = closingBraceLocation.pos; - ts.setEmitFlags(statement, 49152 | 12288); - statements.push(statement); + if (constructor) { + indexOfFirstStatement = addPrologueDirectivesAndInitialSuperCall(constructor, statements); + var propertyAssignments = getParametersWithPropertyAssignments(constructor); + ts.addRange(statements, ts.map(propertyAssignments, transformParameterWithPropertyAssignment)); + } + else if (hasExtendsClause) { + statements.push(ts.createStatement(ts.createCall(ts.createSuper(), undefined, [ts.createSpread(ts.createIdentifier("arguments"))]))); + } + var properties = getInitializedProperties(node, false); + addInitializedPropertyStatements(statements, properties, ts.createThis()); + if (constructor) { + ts.addRange(statements, ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, indexOfFirstStatement)); + } ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); - ts.setEmitFlags(block, 49152); - return block; + return ts.setMultiLine(ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : undefined), true); } - function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { - if (extendsClauseElement) { - statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), extendsClauseElement)); + function addPrologueDirectivesAndInitialSuperCall(ctor, result) { + if (ctor.body) { + var statements = ctor.body.statements; + var index = ts.addPrologueDirectives(result, statements, false, visitor); + if (index === statements.length) { + return index; + } + var statement = statements[index]; + if (statement.kind === 203 && ts.isSuperCall(statement.expression)) { + result.push(ts.visitNode(statement, visitor, ts.isStatement)); + return index + 1; + } + return index; + } + return 0; + } + function getParametersWithPropertyAssignments(node) { + return ts.filter(node.parameters, isParameterWithPropertyAssignment); + } + function isParameterWithPropertyAssignment(parameter) { + return ts.hasModifier(parameter, 92) + && ts.isIdentifier(parameter.name); + } + function transformParameterWithPropertyAssignment(node) { + ts.Debug.assert(ts.isIdentifier(node.name)); + var name = node.name; + var propertyName = ts.getMutableClone(name); + ts.setEmitFlags(propertyName, 49152 | 1536); + var localName = ts.getMutableClone(name); + ts.setEmitFlags(localName, 49152); + return ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createThis(), propertyName, node.name), localName), ts.moveRangePos(node, -1))); + } + function getInitializedProperties(node, isStatic) { + return ts.filter(node.members, isStatic ? isStaticInitializedProperty : isInstanceInitializedProperty); + } + function isStaticInitializedProperty(member) { + return isInitializedProperty(member, true); + } + function isInstanceInitializedProperty(member) { + return isInitializedProperty(member, false); + } + function isInitializedProperty(member, isStatic) { + return member.kind === 146 + && isStatic === ts.hasModifier(member, 32) + && member.initializer !== undefined; + } + function addInitializedPropertyStatements(statements, properties, receiver) { + for (var _i = 0, properties_7 = properties; _i < properties_7.length; _i++) { + var property = properties_7[_i]; + var statement = ts.createStatement(transformInitializedProperty(property, receiver)); + ts.setSourceMapRange(statement, ts.moveRangePastModifiers(property)); + ts.setCommentRange(statement, property); + statements.push(statement); + } + } + function generateInitializedPropertyExpressions(properties, receiver) { + var expressions = []; + for (var _i = 0, properties_8 = properties; _i < properties_8.length; _i++) { + var property = properties_8[_i]; + var expression = transformInitializedProperty(property, receiver); + expression.startsOnNewLine = true; + ts.setSourceMapRange(expression, ts.moveRangePastModifiers(property)); + ts.setCommentRange(expression, property); + expressions.push(expression); + } + return expressions; + } + function transformInitializedProperty(property, receiver) { + var propertyName = visitPropertyNameOfClassElement(property); + var initializer = ts.visitNode(property.initializer, visitor, ts.isExpression); + var memberAccess = ts.createMemberAccessForPropertyName(receiver, propertyName, propertyName); + return ts.createAssignment(memberAccess, initializer); + } + function getDecoratedClassElements(node, isStatic) { + return ts.filter(node.members, isStatic ? isStaticDecoratedClassElement : isInstanceDecoratedClassElement); + } + function isStaticDecoratedClassElement(member) { + return isDecoratedClassElement(member, true); + } + function isInstanceDecoratedClassElement(member) { + return isDecoratedClassElement(member, false); + } + function isDecoratedClassElement(member, isStatic) { + return ts.nodeOrChildIsDecorated(member) + && isStatic === ts.hasModifier(member, 32); + } + function getDecoratorsOfParameters(node) { + var decorators; + if (node) { + var parameters = node.parameters; + for (var i = 0; i < parameters.length; i++) { + var parameter = parameters[i]; + if (decorators || parameter.decorators) { + if (!decorators) { + decorators = new Array(parameters.length); + } + decorators[i] = parameter.decorators; + } + } } + return decorators; } - function addConstructor(statements, node, extendsClauseElement) { - var constructor = ts.getFirstConstructorWithBody(node); - var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); - var constructorFunction = ts.createFunctionDeclaration(undefined, undefined, undefined, getDeclarationName(node), undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), constructor || node); - if (extendsClauseElement) { - ts.setEmitFlags(constructorFunction, 256); + function getAllDecoratorsOfConstructor(node) { + var decorators = node.decorators; + var parameters = getDecoratorsOfParameters(ts.getFirstConstructorWithBody(node)); + if (!decorators && !parameters) { + return undefined; } - statements.push(constructorFunction); + return { + decorators: decorators, + parameters: parameters + }; } - function transformConstructorParameters(constructor, hasSynthesizedSuper) { - if (constructor && !hasSynthesizedSuper) { - return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); + function getAllDecoratorsOfClassElement(node, member) { + switch (member.kind) { + case 150: + case 151: + return getAllDecoratorsOfAccessors(node, member); + case 148: + return getAllDecoratorsOfMethod(member); + case 146: + return getAllDecoratorsOfProperty(member); + default: + return undefined; } - return []; } - function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { - var statements = []; - startLexicalEnvironment(); - var statementOffset = -1; - if (hasSynthesizedSuper) { - statementOffset = 1; - } - else if (constructor) { - statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, false, visitor); - } - if (constructor) { - addDefaultValueAssignmentsIfNeeded(statements, constructor); - addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); - ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); - } - var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); - if (superCaptureStatus === 1 || superCaptureStatus === 2) { - statementOffset++; - } - if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); - ts.addRange(statements, body); + function getAllDecoratorsOfAccessors(node, accessor) { + if (!accessor.body) { + return undefined; } - if (extendsClauseElement - && superCaptureStatus !== 2 - && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { - statements.push(ts.createReturn(ts.createIdentifier("_this"))); + var _a = ts.getAllAccessorDeclarations(node.members, accessor), firstAccessor = _a.firstAccessor, secondAccessor = _a.secondAccessor, setAccessor = _a.setAccessor; + if (accessor !== firstAccessor) { + return undefined; } - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : node, true); - if (!constructor) { - ts.setEmitFlags(block, 49152); + var decorators = firstAccessor.decorators || (secondAccessor && secondAccessor.decorators); + var parameters = getDecoratorsOfParameters(setAccessor); + if (!decorators && !parameters) { + return undefined; } - return block; + return { decorators: decorators, parameters: parameters }; } - function isSufficientlyCoveredByReturnStatements(statement) { - if (statement.kind === 212) { - return true; - } - else if (statement.kind === 204) { - var ifStatement = statement; - if (ifStatement.elseStatement) { - return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && - isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); - } + function getAllDecoratorsOfMethod(method) { + if (!method.body) { + return undefined; } - else if (statement.kind === 200) { - var lastStatement = ts.lastOrUndefined(statement.statements); - if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { - return true; - } + var decorators = method.decorators; + var parameters = getDecoratorsOfParameters(method); + if (!decorators && !parameters) { + return undefined; } - return false; + return { decorators: decorators, parameters: parameters }; } - function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { - if (!hasExtendsClause) { - if (ctor) { - addCaptureThisForNodeIfNeeded(statements, ctor); - } - return 0; - } - if (!ctor) { - statements.push(ts.createReturn(createDefaultSuperCallOrThis())); - return 2; + function getAllDecoratorsOfProperty(property) { + var decorators = property.decorators; + if (!decorators) { + return undefined; } - if (hasSynthesizedSuper) { - captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); - enableSubstitutionsForCapturedThis(); - return 1; + return { decorators: decorators }; + } + function transformAllDecoratorsOfDeclaration(node, allDecorators) { + if (!allDecorators) { + return undefined; } - var firstStatement; - var superCallExpression; - var ctorStatements = ctor.body.statements; - if (statementOffset < ctorStatements.length) { - firstStatement = ctorStatements[statementOffset]; - if (firstStatement.kind === 203 && ts.isSuperCall(firstStatement.expression)) { - var superCall = firstStatement.expression; - superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + var decoratorExpressions = []; + ts.addRange(decoratorExpressions, ts.map(allDecorators.decorators, transformDecorator)); + ts.addRange(decoratorExpressions, ts.flatMap(allDecorators.parameters, transformDecoratorsOfParameter)); + addTypeMetadata(node, decoratorExpressions); + return decoratorExpressions; + } + function addClassElementDecorationStatements(statements, node, isStatic) { + ts.addRange(statements, ts.map(generateClassElementDecorationExpressions(node, isStatic), expressionToStatement)); + } + function generateClassElementDecorationExpressions(node, isStatic) { + var members = getDecoratedClassElements(node, isStatic); + var expressions; + for (var _i = 0, members_2 = members; _i < members_2.length; _i++) { + var member = members_2[_i]; + var expression = generateClassElementDecorationExpression(node, member); + if (expression) { + if (!expressions) { + expressions = [expression]; + } + else { + expressions.push(expression); + } } } - if (superCallExpression && statementOffset === ctorStatements.length - 1) { - statements.push(ts.createReturn(superCallExpression)); - return 2; - } - captureThisForNode(statements, ctor, superCallExpression, firstStatement); - if (superCallExpression) { - return 1; + return expressions; + } + function generateClassElementDecorationExpression(node, member) { + var allDecorators = getAllDecoratorsOfClassElement(node, member); + var decoratorExpressions = transformAllDecoratorsOfDeclaration(member, allDecorators); + if (!decoratorExpressions) { + return undefined; } - return 0; + var prefix = getClassMemberPrefix(node, member); + var memberName = getExpressionForPropertyName(member, true); + var descriptor = languageVersion > 0 + ? member.kind === 146 + ? ts.createVoidZero() + : ts.createNull() + : undefined; + var helper = ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, prefix, memberName, descriptor, ts.moveRangePastDecorators(member)); + ts.setEmitFlags(helper, 49152); + return helper; } - function createDefaultSuperCallOrThis() { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128); - var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); - return ts.createLogicalOr(superCall, actualThis); + function addConstructorDecorationStatement(statements, node, decoratedClassAlias) { + var expression = generateConstructorDecorationExpression(node, decoratedClassAlias); + if (expression) { + statements.push(ts.setOriginalNode(ts.createStatement(expression), node)); + } } - function visitParameter(node) { - if (node.dotDotDotToken) { + function generateConstructorDecorationExpression(node, decoratedClassAlias) { + var allDecorators = getAllDecoratorsOfConstructor(node); + var decoratorExpressions = transformAllDecoratorsOfDeclaration(node, allDecorators); + if (!decoratorExpressions) { return undefined; } - else if (ts.isBindingPattern(node.name)) { - return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), undefined, node), node); - } - else if (node.initializer) { - return ts.setOriginalNode(ts.createParameter(node.name, undefined, node), node); + if (decoratedClassAlias) { + var expression = ts.createAssignment(decoratedClassAlias, ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node))); + var result = ts.createAssignment(getDeclarationName(node), expression, ts.moveRangePastDecorators(node)); + ts.setEmitFlags(result, 49152); + return result; } else { - return node; + var result = ts.createAssignment(getDeclarationName(node), ts.createDecorateHelper(currentSourceFileExternalHelpersModuleName, decoratorExpressions, getDeclarationName(node)), ts.moveRangePastDecorators(node)); + ts.setEmitFlags(result, 49152); + return result; } } - function shouldAddDefaultValueAssignments(node) { - return (node.transformFlags & 262144) !== 0; + function transformDecorator(decorator) { + return ts.visitNode(decorator.expression, visitor, ts.isExpression); } - function addDefaultValueAssignmentsIfNeeded(statements, node) { - if (!shouldAddDefaultValueAssignments(node)) { - return; - } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - var name_32 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; - if (dotDotDotToken) { - continue; - } - if (ts.isBindingPattern(name_32)) { - addDefaultValueAssignmentForBindingPattern(statements, parameter, name_32, initializer); - } - else if (initializer) { - addDefaultValueAssignmentForInitializer(statements, parameter, name_32, initializer); + function transformDecoratorsOfParameter(decorators, parameterOffset) { + var expressions; + if (decorators) { + expressions = []; + for (var _i = 0, decorators_1 = decorators; _i < decorators_1.length; _i++) { + var decorator = decorators_1[_i]; + var helper = ts.createParamHelper(currentSourceFileExternalHelpersModuleName, transformDecorator(decorator), parameterOffset, decorator.expression); + ts.setEmitFlags(helper, 49152); + expressions.push(helper); } } + return expressions; } - function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { - var temp = ts.getGeneratedNameForNode(parameter); - if (name.elements.length > 0) { - statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608)); - } - else if (initializer) { - statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608)); - } - } - function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { - initializer = ts.visitNode(initializer, visitor, ts.isExpression); - var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ - ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536), ts.setEmitFlags(initializer, 1536 | ts.getEmitFlags(initializer)), parameter)) - ], parameter), 32 | 1024 | 12288), undefined, parameter); - statement.startsOnNewLine = true; - ts.setEmitFlags(statement, 12288 | 1024 | 8388608); - statements.push(statement); - } - function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { - return node && node.dotDotDotToken && node.name.kind === 70 && !inConstructorWithSynthesizedSuper; - } - function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { - var parameter = ts.lastOrUndefined(node.parameters); - if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { - return; + function addTypeMetadata(node, decoratorExpressions) { + if (USE_NEW_TYPE_METADATA_FORMAT) { + addNewTypeMetadata(node, decoratorExpressions); } - var declarationName = ts.getMutableClone(parameter.name); - ts.setEmitFlags(declarationName, 1536); - var expressionName = ts.getSynthesizedClone(parameter.name); - var restIndex = node.parameters.length - 1; - var temp = ts.createLoopVariable(); - statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(declarationName, undefined, ts.createArrayLiteral([])) - ]), parameter), 8388608)); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(temp, undefined, ts.createLiteral(restIndex)) - ], parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), parameter), ts.createPostfixIncrement(temp, parameter), ts.createBlock([ - ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), parameter)) - ])); - ts.setEmitFlags(forStatement, 8388608); - ts.startOnNewLine(forStatement); - statements.push(forStatement); - } - function addCaptureThisForNodeIfNeeded(statements, node) { - if (node.transformFlags & 65536 && node.kind !== 181) { - captureThisForNode(statements, node, ts.createThis()); + else { + addOldTypeMetadata(node, decoratorExpressions); } } - function captureThisForNode(statements, node, initializer, originalStatement) { - enableSubstitutionsForCapturedThis(); - var captureThisStatement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("_this", undefined, initializer) - ]), originalStatement); - ts.setEmitFlags(captureThisStatement, 49152 | 8388608); - ts.setSourceMapRange(captureThisStatement, node); - statements.push(captureThisStatement); - } - function addClassMembers(statements, node) { - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - switch (member.kind) { - case 199: - statements.push(transformSemicolonClassElementToStatement(member)); - break; - case 148: - statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); - break; - case 150: - case 151: - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); - } - break; - case 149: - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; + function addOldTypeMetadata(node, decoratorExpressions) { + if (compilerOptions.emitDecoratorMetadata) { + if (shouldAddTypeMetadata(node)) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:type", serializeTypeOfNode(node))); + } + if (shouldAddParamTypesMetadata(node)) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:paramtypes", serializeParameterTypesOfNode(node))); + } + if (shouldAddReturnTypeMetadata(node)) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:returntype", serializeReturnTypeOfNode(node))); } } } - function transformSemicolonClassElementToStatement(member) { - return ts.createEmptyStatement(member); - } - function transformClassMethodDeclarationToStatement(receiver, member) { - var commentRange = ts.getCommentRange(member); - var sourceMapRange = ts.getSourceMapRange(member); - var func = transformFunctionLikeToExpression(member, member, undefined); - ts.setEmitFlags(func, 49152); - ts.setSourceMapRange(func, sourceMapRange); - var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), member.name), func), member); - ts.setOriginalNode(statement, member); - ts.setCommentRange(statement, commentRange); - ts.setEmitFlags(statement, 1536); - return statement; - } - function transformAccessorsToStatement(receiver, accessors) { - var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, false), ts.getSourceMapRange(accessors.firstAccessor)); - ts.setEmitFlags(statement, 49152); - return statement; - } - function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { - var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; - var target = ts.getMutableClone(receiver); - ts.setEmitFlags(target, 49152 | 1024); - ts.setSourceMapRange(target, firstAccessor.name); - var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); - ts.setEmitFlags(propertyName, 49152 | 512); - ts.setSourceMapRange(propertyName, firstAccessor.name); - var properties = []; - if (getAccessor) { - var getterFunction = transformFunctionLikeToExpression(getAccessor, undefined, undefined); - ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); - ts.setEmitFlags(getterFunction, 16384); - var getter = ts.createPropertyAssignment("get", getterFunction); - ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); - properties.push(getter); - } - if (setAccessor) { - var setterFunction = transformFunctionLikeToExpression(setAccessor, undefined, undefined); - ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); - ts.setEmitFlags(setterFunction, 16384); - var setter = ts.createPropertyAssignment("set", setterFunction); - ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); - properties.push(setter); - } - properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); - var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ - target, - propertyName, - ts.createObjectLiteral(properties, undefined, true) - ]); - if (startsOnNewLine) { - call.startsOnNewLine = true; + function addNewTypeMetadata(node, decoratorExpressions) { + if (compilerOptions.emitDecoratorMetadata) { + var properties = void 0; + if (shouldAddTypeMetadata(node)) { + (properties || (properties = [])).push(ts.createPropertyAssignment("type", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeTypeOfNode(node)))); + } + if (shouldAddParamTypesMetadata(node)) { + (properties || (properties = [])).push(ts.createPropertyAssignment("paramTypes", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeParameterTypesOfNode(node)))); + } + if (shouldAddReturnTypeMetadata(node)) { + (properties || (properties = [])).push(ts.createPropertyAssignment("returnType", ts.createArrowFunction(undefined, undefined, [], undefined, undefined, serializeReturnTypeOfNode(node)))); + } + if (properties) { + decoratorExpressions.push(ts.createMetadataHelper(currentSourceFileExternalHelpersModuleName, "design:typeinfo", ts.createObjectLiteral(properties, undefined, true))); + } } - return call; } - function visitArrowFunction(node) { - if (node.transformFlags & 32768) { - enableSubstitutionsForCapturedThis(); - } - var func = transformFunctionLikeToExpression(node, node, undefined); - ts.setEmitFlags(func, 256); - return func; + function shouldAddTypeMetadata(node) { + var kind = node.kind; + return kind === 148 + || kind === 150 + || kind === 151 + || kind === 146; } - function visitFunctionExpression(node) { - return transformFunctionLikeToExpression(node, node, node.name); + function shouldAddReturnTypeMetadata(node) { + return node.kind === 148; } - function visitFunctionDeclaration(node) { - return ts.setOriginalNode(ts.createFunctionDeclaration(undefined, node.modifiers, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node), node); + function shouldAddParamTypesMetadata(node) { + var kind = node.kind; + return kind === 222 + || kind === 193 + || kind === 148 + || kind === 150 + || kind === 151; } - function transformFunctionLikeToExpression(node, location, name) { - var savedContainingNonArrowFunction = enclosingNonArrowFunction; - if (node.kind !== 181) { - enclosingNonArrowFunction = node; + function serializeTypeOfNode(node) { + switch (node.kind) { + case 146: + case 143: + case 150: + return serializeTypeNode(node.type); + case 151: + return serializeTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); + case 222: + case 193: + case 148: + return ts.createIdentifier("Function"); + default: + return ts.createVoidZero(); } - var expression = ts.setOriginalNode(ts.createFunctionExpression(undefined, node.asteriskToken, name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, saveStateAndInvoke(node, transformFunctionBody), location), node); - enclosingNonArrowFunction = savedContainingNonArrowFunction; - return expression; } - function transformFunctionBody(node) { - var multiLine = false; - var singleLine = false; - var statementsLocation; - var closeBraceLocation; - var statements = []; - var body = node.body; - var statementOffset; - startLexicalEnvironment(); - if (ts.isBlock(body)) { - statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); - } - addCaptureThisForNodeIfNeeded(statements, node); - addDefaultValueAssignmentsIfNeeded(statements, node); - addRestParameterIfNeeded(statements, node, false); - if (!multiLine && statements.length > 0) { - multiLine = true; + function getRestParameterElementType(node) { + if (node && node.kind === 161) { + return node.elementType; } - if (ts.isBlock(body)) { - statementsLocation = body.statements; - ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); - if (!multiLine && body.multiLine) { - multiLine = true; - } + else if (node && node.kind === 156) { + return ts.singleOrUndefined(node.typeArguments); } else { - ts.Debug.assert(node.kind === 181); - statementsLocation = ts.moveRangeEnd(body, -1); - var equalsGreaterThanToken = node.equalsGreaterThanToken; - if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { - if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { - singleLine = true; + return undefined; + } + } + function serializeParameterTypesOfNode(node) { + var valueDeclaration = ts.isClassLike(node) + ? ts.getFirstConstructorWithBody(node) + : ts.isFunctionLike(node) && ts.nodeIsPresent(node.body) + ? node + : undefined; + var expressions = []; + if (valueDeclaration) { + var parameters = valueDeclaration.parameters; + var numParameters = parameters.length; + for (var i = 0; i < numParameters; i++) { + var parameter = parameters[i]; + if (i === 0 && ts.isIdentifier(parameter.name) && parameter.name.text === "this") { + continue; + } + if (parameter.dotDotDotToken) { + expressions.push(serializeTypeNode(getRestParameterElementType(parameter.type))); } else { - multiLine = true; + expressions.push(serializeTypeOfNode(parameter)); } - } - var expression = ts.visitNode(body, visitor, ts.isExpression); - var returnStatement = ts.createReturn(expression, body); - ts.setEmitFlags(returnStatement, 12288 | 1024 | 32768); - statements.push(returnStatement); - closeBraceLocation = body; - } - var lexicalEnvironment = endLexicalEnvironment(); - ts.addRange(statements, lexicalEnvironment); - if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { - multiLine = true; - } - var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); - if (!multiLine && singleLine) { - ts.setEmitFlags(block, 32); - } - if (closeBraceLocation) { - ts.setTokenSourceMapRange(block, 17, closeBraceLocation); + } } - ts.setOriginalNode(block, node.body); - return block; + return ts.createArrayLiteral(expressions); } - function visitExpressionStatement(node) { - switch (node.expression.kind) { - case 179: - return ts.updateStatement(node, visitParenthesizedExpression(node.expression, false)); - case 188: - return ts.updateStatement(node, visitBinaryExpression(node.expression, false)); + function serializeReturnTypeOfNode(node) { + if (ts.isFunctionLike(node) && node.type) { + return serializeTypeNode(node.type); } - return ts.visitEachChild(node, visitor, context); - } - function visitParenthesizedExpression(node, needsDestructuringValue) { - if (needsDestructuringValue) { - switch (node.expression.kind) { - case 179: - return ts.createParen(visitParenthesizedExpression(node.expression, true), node); - case 188: - return ts.createParen(visitBinaryExpression(node.expression, true), node); - } + else if (ts.isAsyncFunctionLike(node)) { + return ts.createIdentifier("Promise"); } - return ts.visitEachChild(node, visitor, context); - } - function visitBinaryExpression(node, needsDestructuringValue) { - ts.Debug.assert(ts.isDestructuringAssignment(node)); - return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); + return ts.createVoidZero(); } - function visitVariableStatement(node) { - if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3) == 0) { - var assignments = void 0; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); - if (decl.initializer) { - var assignment = void 0; - if (ts.isBindingPattern(decl.name)) { - assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, undefined, visitor); + function serializeTypeNode(node) { + if (node === undefined) { + return ts.createIdentifier("Object"); + } + switch (node.kind) { + case 104: + return ts.createVoidZero(); + case 165: + return serializeTypeNode(node.type); + case 157: + case 158: + return ts.createIdentifier("Function"); + case 161: + case 162: + return ts.createIdentifier("Array"); + case 155: + case 121: + return ts.createIdentifier("Boolean"); + case 133: + return ts.createIdentifier("String"); + case 167: + switch (node.literal.kind) { + case 9: + return ts.createIdentifier("String"); + case 8: + return ts.createIdentifier("Number"); + case 100: + case 85: + return ts.createIdentifier("Boolean"); + default: + ts.Debug.failBadSyntaxKind(node.literal); + break; + } + break; + case 131: + return ts.createIdentifier("Number"); + case 134: + return languageVersion < 2 + ? getGlobalSymbolNameWithFallback() + : ts.createIdentifier("Symbol"); + case 156: + return serializeTypeReferenceNode(node); + case 164: + case 163: + { + var unionOrIntersection = node; + var serializedUnion = void 0; + for (var _i = 0, _a = unionOrIntersection.types; _i < _a.length; _i++) { + var typeNode = _a[_i]; + var serializedIndividual = serializeTypeNode(typeNode); + if (serializedIndividual.kind !== 70) { + serializedUnion = undefined; + break; + } + if (serializedIndividual.text === "Object") { + return serializedIndividual; + } + if (serializedUnion && serializedUnion.text !== serializedIndividual.text) { + serializedUnion = undefined; + break; + } + serializedUnion = serializedIndividual; } - else { - assignment = ts.createBinary(decl.name, 57, ts.visitNode(decl.initializer, visitor, ts.isExpression)); + if (serializedUnion) { + return serializedUnion; } - (assignments || (assignments = [])).push(assignment); } - } - if (assignments) { - return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25, acc); }), node); - } - else { - return undefined; - } - } - return ts.visitEachChild(node, visitor, context); - } - function visitVariableDeclarationList(node) { - if (node.flags & 3) { - enableSubstitutionsForBlockScopedBindings(); - } - var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 - ? visitVariableDeclarationInLetDeclarationList - : visitVariableDeclaration)); - var declarationList = ts.createVariableDeclarationList(declarations, node); - ts.setOriginalNode(declarationList, node); - ts.setCommentRange(declarationList, node); - if (node.transformFlags & 8388608 - && (ts.isBindingPattern(node.declarations[0].name) - || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { - var firstDeclaration = ts.firstOrUndefined(declarations); - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + case 159: + case 160: + case 118: + case 166: + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } - return declarationList; - } - function shouldEmitExplicitInitializerForLetDeclaration(node) { - var flags = resolver.getNodeCheckFlags(node); - var isCapturedInFunction = flags & 131072; - var isDeclaredInLoop = flags & 262144; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) - || (isCapturedInFunction - && isDeclaredInLoop - && ts.isBlock(enclosingBlockScopeContainer) - && ts.isIterationStatement(enclosingBlockScopeContainerParent, false)); - var emitExplicitInitializer = !emittedAsTopLevel - && enclosingBlockScopeContainer.kind !== 208 - && enclosingBlockScopeContainer.kind !== 209 - && (!resolver.isDeclarationWithCollidingName(node) - || (isDeclaredInLoop - && !isCapturedInFunction - && !ts.isIterationStatement(enclosingBlockScopeContainer, false))); - return emitExplicitInitializer; + return ts.createIdentifier("Object"); } - function visitVariableDeclarationInLetDeclarationList(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return visitVariableDeclaration(node); - } - if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { - var clone_5 = ts.getMutableClone(node); - clone_5.initializer = ts.createVoidZero(); - return clone_5; + function serializeTypeReferenceNode(node) { + switch (resolver.getTypeReferenceSerializationKind(node.typeName, currentScope)) { + case ts.TypeReferenceSerializationKind.Unknown: + var serialized = serializeEntityNameAsExpression(node.typeName, true); + var temp = ts.createTempVariable(hoistVariableDeclaration); + return ts.createLogicalOr(ts.createLogicalAnd(ts.createStrictEquality(ts.createTypeOf(ts.createAssignment(temp, serialized)), ts.createLiteral("function")), temp), ts.createIdentifier("Object")); + case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: + return serializeEntityNameAsExpression(node.typeName, false); + case ts.TypeReferenceSerializationKind.VoidNullableOrNeverType: + return ts.createVoidZero(); + case ts.TypeReferenceSerializationKind.BooleanType: + return ts.createIdentifier("Boolean"); + case ts.TypeReferenceSerializationKind.NumberLikeType: + return ts.createIdentifier("Number"); + case ts.TypeReferenceSerializationKind.StringLikeType: + return ts.createIdentifier("String"); + case ts.TypeReferenceSerializationKind.ArrayLikeType: + return ts.createIdentifier("Array"); + case ts.TypeReferenceSerializationKind.ESSymbolType: + return languageVersion < 2 + ? getGlobalSymbolNameWithFallback() + : ts.createIdentifier("Symbol"); + case ts.TypeReferenceSerializationKind.TypeWithCallSignature: + return ts.createIdentifier("Function"); + case ts.TypeReferenceSerializationKind.Promise: + return ts.createIdentifier("Promise"); + case ts.TypeReferenceSerializationKind.ObjectType: + default: + return ts.createIdentifier("Object"); } - return ts.visitEachChild(node, visitor, context); } - function visitVariableDeclaration(node) { - if (ts.isBindingPattern(node.name)) { - var recordTempVariablesInLine = !enclosingVariableStatement - || !ts.hasModifier(enclosingVariableStatement, 1); - return ts.flattenVariableDestructuring(node, undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); + function serializeEntityNameAsExpression(node, useFallback) { + switch (node.kind) { + case 70: + var name_30 = ts.getMutableClone(node); + name_30.flags &= ~8; + name_30.original = undefined; + name_30.parent = currentScope; + if (useFallback) { + return ts.createLogicalAnd(ts.createStrictInequality(ts.createTypeOf(name_30), ts.createLiteral("undefined")), name_30); + } + return name_30; + case 140: + return serializeQualifiedNameAsExpression(node, useFallback); } - return ts.visitEachChild(node, visitor, context); } - function visitLabeledStatement(node) { - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = ts.createMap(); - } - convertedLoopState.labels[node.label.text] = node.label.text; + function serializeQualifiedNameAsExpression(node, useFallback) { + var left; + if (node.left.kind === 70) { + left = serializeEntityNameAsExpression(node.left, useFallback); } - var result; - if (ts.isIterationStatement(node.statement, false) && shouldConvertIterationStatementBody(node.statement)) { - result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); + else if (useFallback) { + var temp = ts.createTempVariable(hoistVariableDeclaration); + left = ts.createLogicalAnd(ts.createAssignment(temp, serializeEntityNameAsExpression(node.left, true)), temp); } else { - result = ts.visitEachChild(node, visitor, context); - } - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; + left = serializeEntityNameAsExpression(node.left, false); } - return result; - } - function visitDoStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitWhileStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForInStatement(node) { - return convertIterationStatementBodyIfNecessary(node); + return ts.createPropertyAccess(left, node.right); } - function visitForOfStatement(node) { - return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + function getGlobalSymbolNameWithFallback() { + return ts.createConditional(ts.createStrictEquality(ts.createTypeOf(ts.createIdentifier("Symbol")), ts.createLiteral("function")), ts.createToken(54), ts.createIdentifier("Symbol"), ts.createToken(55), ts.createIdentifier("Object")); } - function convertForOfToFor(node, convertedLoopBodyStatements) { - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - var initializer = node.initializer; - var statements = []; - var counter = ts.createLoopVariable(); - var rhsReference = expression.kind === 70 - ? ts.createUniqueName(expression.text) - : ts.createTempVariable(undefined); - if (ts.isVariableDeclarationList(initializer)) { - if (initializer.flags & 3) { - enableSubstitutionsForBlockScopedBindings(); - } - var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); - if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { - var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); - var declarationList = ts.createVariableDeclarationList(declarations, initializer); - ts.setOriginalNode(declarationList, initializer); - var firstDeclaration = declarations[0]; - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); - statements.push(ts.createVariableStatement(undefined, declarationList)); - } - else { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(undefined), undefined, ts.createElementAccess(rhsReference, counter)) - ], ts.moveRangePos(initializer, -1)), ts.moveRangeEnd(initializer, -1))); - } - } - else { - var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); - if (ts.isDestructuringAssignment(assignment)) { - statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, false, hoistVariableDeclaration, visitor))); - } - else { - assignment.end = initializer.end; - statements.push(ts.createStatement(assignment, ts.moveRangeEnd(initializer, -1))); - } + function getExpressionForPropertyName(member, generateNameForComputedPropertyName) { + var name = member.name; + if (ts.isComputedPropertyName(name)) { + return generateNameForComputedPropertyName + ? ts.getGeneratedNameForNode(name) + : name.expression; } - var bodyLocation; - var statementsLocation; - if (convertedLoopBodyStatements) { - ts.addRange(statements, convertedLoopBodyStatements); + else if (ts.isIdentifier(name)) { + return ts.createLiteral(name.text); } else { - var statement = ts.visitNode(node.statement, visitor, ts.isStatement); - if (ts.isBlock(statement)) { - ts.addRange(statements, statement.statements); - bodyLocation = statement; - statementsLocation = statement.statements; - } - else { - statements.push(statement); - } + return ts.getSynthesizedClone(name); } - ts.setEmitFlags(expression, 1536 | ts.getEmitFlags(expression)); - var body = ts.createBlock(ts.createNodeArray(statements, statementsLocation), bodyLocation); - ts.setEmitFlags(body, 1536 | 12288); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(counter, undefined, ts.createLiteral(0), ts.moveRangePos(node.expression, -1)), - ts.createVariableDeclaration(rhsReference, undefined, expression, node.expression) - ], node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), node.expression), ts.createPostfixIncrement(counter, node.expression), body, node); - ts.setEmitFlags(forStatement, 8192); - return forStatement; } - function visitObjectLiteralExpression(node) { - var properties = node.properties; - var numProperties = properties.length; - var numInitialProperties = numProperties; - for (var i = 0; i < numProperties; i++) { - var property = properties[i]; - if (property.transformFlags & 16777216 - || property.name.kind === 141) { - numInitialProperties = i; - break; + function visitPropertyNameOfClassElement(member) { + var name = member.name; + if (ts.isComputedPropertyName(name)) { + var expression = ts.visitNode(name.expression, visitor, ts.isExpression); + if (member.decorators) { + var generatedName = ts.getGeneratedNameForNode(name); + hoistVariableDeclaration(generatedName); + expression = ts.createAssignment(generatedName, expression); } + return ts.setOriginalNode(ts.createComputedPropertyName(expression, name), name); } - ts.Debug.assert(numInitialProperties !== numProperties); - var temp = ts.createTempVariable(hoistVariableDeclaration); - var expressions = []; - var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, node.multiLine), 524288)); - if (node.multiLine) { - assignment.startsOnNewLine = true; + else { + return name; } - expressions.push(assignment); - addObjectLiteralMembers(expressions, node, temp, numInitialProperties); - expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); } - function shouldConvertIterationStatementBody(node) { - return (resolver.getNodeCheckFlags(node) & 65536) !== 0; - } - function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(node.name); - function visit(node) { - if (node.kind === 70) { - state.hoistedLocalVariables.push(node); - } - else { - for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - visit(element.name); - } - } - } + function visitHeritageClause(node) { + if (node.token === 84) { + var types = ts.visitNodes(node.types, visitor, ts.isExpressionWithTypeArguments, 0, 1); + return ts.createHeritageClause(84, types, node); } + return undefined; } - function convertIterationStatementBodyIfNecessary(node, convert) { - if (!shouldConvertIterationStatementBody(node)) { - var saveAllowedNonLabeledJumps = void 0; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 | 4; - } - var result = convert ? convert(node, undefined) : ts.visitEachChild(node, visitor, context); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - return result; - } - var functionName = ts.createUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 207: - case 208: - case 209: - var initializer = node.initializer; - if (initializer && initializer.kind === 220) { - loopInitializer = initializer; - } - break; + function visitExpressionWithTypeArguments(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); + return ts.createExpressionWithTypeArguments(undefined, expression, node); + } + function shouldEmitFunctionLikeDeclaration(node) { + return !ts.nodeIsMissing(node.body); + } + function visitConstructor(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return undefined; } - var loopParameters = []; - var loopOutParameters = []; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3)) { - for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); - } + return ts.visitEachChild(node, visitor, context); + } + function visitMethodDeclaration(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return undefined; } - var outerConvertedLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (outerConvertedLoopState) { - if (outerConvertedLoopState.argumentsName) { - convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; - } - if (outerConvertedLoopState.thisName) { - convertedLoopState.thisName = outerConvertedLoopState.thisName; - } - if (outerConvertedLoopState.hoistedLocalVariables) { - convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; - } + var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, visitPropertyNameOfClassElement(node), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setCommentRange(method, node); + ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(method, node); + return method; + } + function shouldEmitAccessorDeclaration(node) { + return !(ts.nodeIsMissing(node.body) && ts.hasModifier(node, 128)); + } + function visitGetAccessor(node) { + if (!shouldEmitAccessorDeclaration(node)) { + return undefined; } - var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); - var currentState = convertedLoopState; - convertedLoopState = outerConvertedLoopState; - if (loopOutParameters.length) { - var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; - copyOutParameters(loopOutParameters, 1, statements_3); - loopBody = ts.createBlock(statements_3, undefined, true); + var accessor = ts.createGetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); + ts.setCommentRange(accessor, node); + ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(accessor, node); + return accessor; + } + function visitSetAccessor(node) { + if (!shouldEmitAccessorDeclaration(node)) { + return undefined; } - if (!ts.isBlock(loopBody)) { - loopBody = ts.createBlock([loopBody], undefined, true); + var accessor = ts.createSetAccessor(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), visitPropertyNameOfClassElement(node), ts.visitNodes(node.parameters, visitor, ts.isParameter), node.body ? ts.visitEachChild(node.body, visitor, context) : ts.createBlock([]), node); + ts.setCommentRange(accessor, node); + ts.setSourceMapRange(accessor, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(accessor, node); + return accessor; + } + function visitFunctionDeclaration(node) { + if (!shouldEmitFunctionLikeDeclaration(node)) { + return ts.createNotEmittedStatement(node); } - var isAsyncBlockContainingAwait = enclosingNonArrowFunction - && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152) !== 0 - && (node.statement.transformFlags & 16777216) !== 0; - var loopBodyFlags = 0; - if (currentState.containsLexicalThis) { - loopBodyFlags |= 256; + var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + if (isNamespaceExport(node)) { + var statements = [func]; + addExportMemberAssignment(statements, node); + return statements; } - if (isAsyncBlockContainingAwait) { - loopBodyFlags |= 2097152; + return func; + } + function visitFunctionExpression(node) { + if (ts.nodeIsMissing(node.body)) { + return ts.createOmittedExpression(); } - var convertedLoopVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(functionName, undefined, ts.setEmitFlags(ts.createFunctionExpression(undefined, isAsyncBlockContainingAwait ? ts.createToken(38) : undefined, undefined, undefined, loopParameters, undefined, loopBody), loopBodyFlags)) - ])); - var statements = [convertedLoopVariable]; - var extraVariableDeclarations; - if (currentState.argumentsName) { - if (outerConvertedLoopState) { - outerConvertedLoopState.argumentsName = currentState.argumentsName; - } - else { - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, undefined, ts.createIdentifier("arguments"))); - } + var func = ts.createFunctionExpression(ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; + } + function visitArrowFunction(node) { + var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); + ts.setOriginalNode(func, node); + return func; + } + function transformFunctionBody(node) { + return transformFunctionBodyWorker(node.body); + } + function transformFunctionBodyWorker(body, start) { + if (start === void 0) { start = 0; } + var savedCurrentScope = currentScope; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; + currentScope = body; + currentScopeFirstDeclarationsOfName = ts.createMap(); + startLexicalEnvironment(); + var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); + var visited = ts.updateBlock(body, statements); + var declarations = endLexicalEnvironment(); + currentScope = savedCurrentScope; + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + } + function transformConciseBody(node) { + return transformConciseBodyWorker(node.body, false); + } + function transformConciseBodyWorker(body, forceBlockFunctionBody) { + if (ts.isBlock(body)) { + return transformFunctionBodyWorker(body); } - if (currentState.thisName) { - if (outerConvertedLoopState) { - outerConvertedLoopState.thisName = currentState.thisName; + else { + startLexicalEnvironment(); + var visited = ts.visitNode(body, visitor, ts.isConciseBody); + var declarations = endLexicalEnvironment(); + var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (forceBlockFunctionBody && !ts.isBlock(merged)) { + return ts.createBlock([ + ts.createReturn(merged) + ]); } else { - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, undefined, ts.createIdentifier("this"))); + return merged; } } - if (currentState.hoistedLocalVariables) { - if (outerConvertedLoopState) { - outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; - } - else { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { - var identifier = _c[_b]; - extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); - } - } + } + function visitParameter(node) { + if (ts.parameterIsThisKeyword(node)) { + return undefined; } - if (loopOutParameters.length) { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { - var outParam = loopOutParameters_1[_d]; - extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); + var parameter = ts.createParameterDeclaration(undefined, undefined, node.dotDotDotToken, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, undefined, ts.visitNode(node.initializer, visitor, ts.isExpression), ts.moveRangePastModifiers(node)); + ts.setOriginalNode(parameter, node); + ts.setCommentRange(parameter, node); + ts.setSourceMapRange(parameter, ts.moveRangePastModifiers(node)); + ts.setEmitFlags(parameter.name, 1024); + return parameter; + } + function visitVariableStatement(node) { + if (isNamespaceExport(node)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; } + return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); } - if (extraVariableDeclarations) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); + else { + return ts.visitEachChild(node, visitor, context); } - var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); - var loop; - if (convert) { - loop = convert(node, convertedLoopBodyStatements); + } + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getNamespaceMemberNameWithSourceMapsAndWithoutComments, visitor); } else { - loop = ts.getMutableClone(node); - loop.statement = undefined; - loop = ts.visitEachChild(loop, visitor, context); - loop.statement = ts.createBlock(convertedLoopBodyStatements, undefined, true); - loop.transformFlags = 0; - ts.aggregateTransformFlags(loop); + return ts.createAssignment(getNamespaceMemberNameWithSourceMapsAndWithoutComments(name), ts.visitNode(node.initializer, visitor, ts.isExpression), node); } - statements.push(currentParent.kind === 215 - ? ts.createLabel(currentParent.label, loop) - : loop); - return statements; } - function copyOutParameter(outParam, copyDirection) { - var source = copyDirection === 0 ? outParam.outParamName : outParam.originalName; - var target = copyDirection === 0 ? outParam.originalName : outParam.outParamName; - return ts.createBinary(target, 57, source); + function visitVariableDeclaration(node) { + return ts.updateVariableDeclaration(node, ts.visitNode(node.name, visitor, ts.isBindingName), undefined, ts.visitNode(node.initializer, visitor, ts.isExpression)); } - function copyOutParameters(outParams, copyDirection, statements) { - for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { - var outParam = outParams_1[_i]; - statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); + function visitParenthesizedExpression(node) { + var innerExpression = ts.skipOuterExpressions(node.expression, ~2); + if (ts.isAssertionExpression(innerExpression)) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + return ts.createPartiallyEmittedExpression(expression, node); } + return ts.visitEachChild(node, visitor, context); } - function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { - var outerConvertedLoopState = convertedLoopState; - var statements = []; - var isSimpleLoop = !(state.nonLocalJumps & ~4) && - !state.labeledNonLocalBreaks && - !state.labeledNonLocalContinues; - var call = ts.createCall(loopFunctionExpressionName, undefined, ts.map(parameters, function (p) { return p.name; })); - var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38), call) : call; - if (isSimpleLoop) { - statements.push(ts.createStatement(callResult)); - copyOutParameters(state.loopOutParameters, 0, statements); + function visitAssertionExpression(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + return ts.createPartiallyEmittedExpression(expression, node); + } + function visitNonNullExpression(node) { + var expression = ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression); + return ts.createPartiallyEmittedExpression(expression, node); + } + function visitCallExpression(node) { + return ts.updateCall(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + } + function visitNewExpression(node) { + return ts.updateNew(node, ts.visitNode(node.expression, visitor, ts.isExpression), undefined, ts.visitNodes(node.arguments, visitor, ts.isExpression)); + } + function shouldEmitEnumDeclaration(node) { + return !ts.isConst(node) + || compilerOptions.preserveConstEnums + || compilerOptions.isolatedModules; + } + function shouldEmitVarForEnumDeclaration(node) { + return isFirstEmittedDeclarationInScope(node) + && (!ts.hasModifier(node, 1) + || isES6ExportedDeclaration(node)); + } + function addVarForEnumExportedFromNamespace(statements, node) { + var statement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, getExportName(node))]); + ts.setSourceMapRange(statement, node); + statements.push(statement); + } + function visitEnumDeclaration(node) { + if (!shouldEmitEnumDeclaration(node)) { + return undefined; } - else { - var loopResultName = ts.createUniqueName("state"); - var stateVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, undefined, callResult)])); - statements.push(stateVariable); - copyOutParameters(state.loopOutParameters, 0, statements); - if (state.nonLocalJumps & 8) { - var returnStatement = void 0; - if (outerConvertedLoopState) { - outerConvertedLoopState.nonLocalJumps |= 8; - returnStatement = ts.createReturn(loopResultName); - } - else { - returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); - } - statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33, ts.createLiteral("object")), returnStatement)); - } - if (state.nonLocalJumps & 2) { - statements.push(ts.createIf(ts.createBinary(loopResultName, 33, ts.createLiteral("break")), ts.createBreak())); - } - if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { - var caseClauses = []; - processLabeledJumps(state.labeledNonLocalBreaks, true, loopResultName, outerConvertedLoopState, caseClauses); - processLabeledJumps(state.labeledNonLocalContinues, false, loopResultName, outerConvertedLoopState, caseClauses); - statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + var statements = []; + var emitFlags = 64; + recordEmittedDeclarationInScope(node); + if (shouldEmitVarForEnumDeclaration(node)) { + addVarForEnumOrModuleDeclaration(statements, node); + if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { + emitFlags |= 16384; } } + var parameterName = getNamespaceParameterName(node); + var containerName = getNamespaceContainerName(node); + var exportName = getExportName(node); + var enumStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformEnumBody(node, containerName)), undefined, [ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral()))]), node); + ts.setOriginalNode(enumStatement, node); + ts.setEmitFlags(enumStatement, emitFlags); + statements.push(enumStatement); + if (isNamespaceExport(node)) { + addVarForEnumExportedFromNamespace(statements, node); + } return statements; } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = ts.createMap(); - } - state.labeledNonLocalBreaks[labelText] = labelMarker; + function transformEnumBody(node, localName) { + var savedCurrentNamespaceLocalName = currentNamespaceContainerName; + currentNamespaceContainerName = localName; + var statements = []; + startLexicalEnvironment(); + ts.addRange(statements, ts.map(node.members, transformEnumMember)); + ts.addRange(statements, endLexicalEnvironment()); + currentNamespaceContainerName = savedCurrentNamespaceLocalName; + return ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); + } + function transformEnumMember(member) { + var name = getExpressionForPropertyName(member, false); + return ts.createStatement(ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, ts.createAssignment(ts.createElementAccess(currentNamespaceContainerName, name), transformEnumMemberDeclarationValue(member))), name, member), member); + } + function transformEnumMemberDeclarationValue(member) { + var value = resolver.getConstantValue(member); + if (value !== undefined) { + return ts.createLiteral(value); } else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = ts.createMap(); + enableSubstitutionForNonQualifiedEnumMembers(); + if (member.initializer) { + return ts.visitNode(member.initializer, visitor, ts.isExpression); + } + else { + return ts.createVoidZero(); } - state.labeledNonLocalContinues[labelText] = labelMarker; } } - function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { - if (!table) { - return; - } - for (var labelText in table) { - var labelMarker = table[labelText]; - var statements = []; - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - var label = ts.createIdentifier(labelText); - statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); + function shouldEmitModuleDeclaration(node) { + return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); + } + function isES6ExportedDeclaration(node) { + return isExternalModuleExport(node) + && moduleKind === ts.ModuleKind.ES2015; + } + function recordEmittedDeclarationInScope(node) { + var name = node.symbol && node.symbol.name; + if (name) { + if (!currentScopeFirstDeclarationsOfName) { + currentScopeFirstDeclarationsOfName = ts.createMap(); } - else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - statements.push(ts.createReturn(loopResultName)); + if (!(name in currentScopeFirstDeclarationsOfName)) { + currentScopeFirstDeclarationsOfName[name] = node; } - caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } } - function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { - var name = decl.name; - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - processLoopVariableDeclaration(element, loopParameters, loopOutParameters); - } + function isFirstEmittedDeclarationInScope(node) { + if (currentScopeFirstDeclarationsOfName) { + var name_31 = node.symbol && node.symbol.name; + if (name_31) { + return currentScopeFirstDeclarationsOfName[name_31] === node; } } + return false; + } + function shouldEmitVarForModuleDeclaration(node) { + return isFirstEmittedDeclarationInScope(node); + } + function addVarForEnumOrModuleDeclaration(statements, node) { + var statement = ts.createVariableStatement(isES6ExportedDeclaration(node) + ? ts.visitNodes(node.modifiers, visitor, ts.isModifier) + : undefined, [ + ts.createVariableDeclaration(getDeclarationName(node, false, true)) + ]); + ts.setOriginalNode(statement, node); + if (node.kind === 225) { + ts.setSourceMapRange(statement.declarationList, node); + } else { - loopParameters.push(ts.createParameter(name)); - if (resolver.getNodeCheckFlags(decl) & 2097152) { - var outParamName = ts.createUniqueName("out_" + name.text); - loopOutParameters.push({ originalName: name, outParamName: outParamName }); + ts.setSourceMapRange(statement, node); + } + ts.setCommentRange(statement, node); + ts.setEmitFlags(statement, 32768); + statements.push(statement); + } + function visitModuleDeclaration(node) { + if (!shouldEmitModuleDeclaration(node)) { + return ts.createNotEmittedStatement(node); + } + ts.Debug.assert(ts.isIdentifier(node.name), "TypeScript module should have an Identifier name."); + enableSubstitutionForNamespaceExports(); + var statements = []; + var emitFlags = 64; + recordEmittedDeclarationInScope(node); + if (shouldEmitVarForModuleDeclaration(node)) { + addVarForEnumOrModuleDeclaration(statements, node); + if (moduleKind !== ts.ModuleKind.System || currentScope !== currentSourceFile) { + emitFlags |= 16384; } } + var parameterName = getNamespaceParameterName(node); + var containerName = getNamespaceContainerName(node); + var exportName = getExportName(node); + var moduleArg = ts.createLogicalOr(exportName, ts.createAssignment(exportName, ts.createObjectLiteral())); + if (ts.hasModifier(node, 1) && !isES6ExportedDeclaration(node)) { + var localName = getLocalName(node); + moduleArg = ts.createAssignment(localName, moduleArg); + } + var moduleStatement = ts.createStatement(ts.createCall(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, transformModuleBody(node, containerName)), undefined, [moduleArg]), node); + ts.setOriginalNode(moduleStatement, node); + ts.setEmitFlags(moduleStatement, emitFlags); + statements.push(moduleStatement); + return statements; } - function addObjectLiteralMembers(expressions, node, receiver, start) { - var properties = node.properties; - var numProperties = properties.length; - for (var i = start; i < numProperties; i++) { - var property = properties[i]; - switch (property.kind) { - case 150: - case 151: - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property === accessors.firstAccessor) { - expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); - } - break; - case 253: - expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 254: - expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 148: - expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; + function transformModuleBody(node, namespaceLocalName) { + var savedCurrentNamespaceContainerName = currentNamespaceContainerName; + var savedCurrentNamespace = currentNamespace; + var savedCurrentScopeFirstDeclarationsOfName = currentScopeFirstDeclarationsOfName; + currentNamespaceContainerName = namespaceLocalName; + currentNamespace = node; + currentScopeFirstDeclarationsOfName = undefined; + var statements = []; + startLexicalEnvironment(); + var statementsLocation; + var blockLocation; + var body = node.body; + if (body.kind === 227) { + ts.addRange(statements, ts.visitNodes(body.statements, namespaceElementVisitor, ts.isStatement)); + statementsLocation = body.statements; + blockLocation = body; + } + else { + var result = visitModuleDeclaration(body); + if (result) { + if (ts.isArray(result)) { + ts.addRange(statements, result); + } + else { + statements.push(result); + } } + var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; + statementsLocation = ts.moveRangePos(moduleBlock.statements, -1); + } + ts.addRange(statements, endLexicalEnvironment()); + currentNamespaceContainerName = savedCurrentNamespaceContainerName; + currentNamespace = savedCurrentNamespace; + currentScopeFirstDeclarationsOfName = savedCurrentScopeFirstDeclarationsOfName; + var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), blockLocation, true); + if (body.kind !== 227) { + ts.setEmitFlags(block, ts.getEmitFlags(block) | 49152); } + return block; } - function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { + if (moduleDeclaration.body.kind === 226) { + var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); + return recursiveInnerModule || moduleDeclaration.body; } - return expression; } - function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitImportDeclaration(node) { + if (!node.importClause) { + return node; } - return expression; + var importClause = ts.visitNode(node.importClause, visitImportClause, ts.isImportClause, true); + return importClause + ? ts.updateImportDeclaration(node, undefined, undefined, importClause, node.moduleSpecifier) + : undefined; } - function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, method, undefined), method); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitImportClause(node) { + var name = resolver.isReferencedAliasDeclaration(node) ? node.name : undefined; + var namedBindings = ts.visitNode(node.namedBindings, visitNamedImportBindings, ts.isNamedImportBindings, true); + return (name || namedBindings) ? ts.updateImportClause(node, name, namedBindings) : undefined; + } + function visitNamedImportBindings(node) { + if (node.kind === 233) { + return resolver.isReferencedAliasDeclaration(node) ? node : undefined; + } + else { + var elements = ts.visitNodes(node.elements, visitImportSpecifier, ts.isImportSpecifier); + return ts.some(elements) ? ts.updateNamedImports(node, elements) : undefined; } - return expression; } - function visitMethodDeclaration(node) { - ts.Debug.assert(!ts.isComputedPropertyName(node.name)); - var functionExpression = transformFunctionLikeToExpression(node, ts.moveRangePos(node, -1), undefined); - ts.setEmitFlags(functionExpression, 16384 | ts.getEmitFlags(functionExpression)); - return ts.createPropertyAssignment(node.name, functionExpression, node); + function visitImportSpecifier(node) { + return resolver.isReferencedAliasDeclaration(node) ? node : undefined; } - function visitShorthandPropertyAssignment(node) { - return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), node); + function visitExportAssignment(node) { + return resolver.isValueAliasDeclaration(node) + ? ts.visitEachChild(node, visitor, context) + : undefined; } - function visitYieldExpression(node) { - return ts.visitEachChild(node, visitor, context); + function visitExportDeclaration(node) { + if (!node.exportClause) { + return resolver.moduleExportsSomeValue(node.moduleSpecifier) ? node : undefined; + } + if (!resolver.isValueAliasDeclaration(node)) { + return undefined; + } + var exportClause = ts.visitNode(node.exportClause, visitNamedExports, ts.isNamedExports, true); + return exportClause + ? ts.updateExportDeclaration(node, undefined, undefined, exportClause, node.moduleSpecifier) + : undefined; } - function visitArrayLiteralExpression(node) { - return transformAndSpreadElements(node.elements, true, node.multiLine, node.elements.hasTrailingComma); + function visitNamedExports(node) { + var elements = ts.visitNodes(node.elements, visitExportSpecifier, ts.isExportSpecifier); + return ts.some(elements) ? ts.updateNamedExports(node, elements) : undefined; } - function visitCallExpression(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, true); + function visitExportSpecifier(node) { + return resolver.isValueAliasDeclaration(node) ? node : undefined; } - function visitImmediateSuperCallInBody(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, false); + function shouldEmitImportEqualsDeclaration(node) { + return resolver.isReferencedAliasDeclaration(node) + || (!ts.isExternalModule(currentSourceFile) + && resolver.isTopLevelValueImportEqualsWithEntityName(node)); } - function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - if (node.expression.kind === 96) { - ts.setEmitFlags(thisArg, 128); + function visitImportEqualsDeclaration(node) { + if (ts.isExternalModuleImportEqualsDeclaration(node)) { + return resolver.isReferencedAliasDeclaration(node) + ? ts.visitEachChild(node, visitor, context) + : undefined; } - var resultingCall; - if (node.transformFlags & 1048576) { - resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, false, false, false)); + if (!shouldEmitImportEqualsDeclaration(node)) { + return undefined; } - else { - resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), node); + var moduleReference = ts.createExpressionFromEntityName(node.moduleReference); + ts.setEmitFlags(moduleReference, 49152 | 65536); + if (isNamedExternalModuleExport(node) || !isNamespaceExport(node)) { + return ts.setOriginalNode(ts.createVariableStatement(ts.visitNodes(node.modifiers, visitor, ts.isModifier), ts.createVariableDeclarationList([ + ts.createVariableDeclaration(node.name, undefined, moduleReference) + ]), node), node); } - if (node.expression.kind === 96) { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128); - var initializer = ts.createLogicalOr(resultingCall, actualThis); - return assignToCapturedThis - ? ts.createAssignment(ts.createIdentifier("_this"), initializer) - : initializer; + else { + return ts.setOriginalNode(createNamespaceExport(node.name, moduleReference, node), node); } - return resultingCall; - } - function visitNewExpression(node) { - ts.Debug.assert((node.transformFlags & 1048576) !== 0); - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), false, false, false)), undefined, []); } - function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { - var numElements = elements.length; - var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { - return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); - })); - if (segments.length === 1) { - var firstElement = elements[0]; - return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 - ? ts.createArraySlice(segments[0]) - : segments[0]; - } - return ts.createArrayConcat(segments.shift(), segments); + function isNamespaceExport(node) { + return currentNamespace !== undefined && ts.hasModifier(node, 1); } - function partitionSpreadElement(node) { - return ts.isSpreadElementExpression(node) - ? visitSpanOfSpreadElements - : visitSpanOfNonSpreadElements; + function isExternalModuleExport(node) { + return currentNamespace === undefined && ts.hasModifier(node, 1); } - function visitSpanOfSpreadElements(chunk) { - return ts.map(chunk, visitExpressionOfSpreadElement); + function isNamedExternalModuleExport(node) { + return isExternalModuleExport(node) + && !ts.hasModifier(node, 512); } - function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { - return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, undefined, hasTrailingComma), visitor, ts.isExpression), undefined, multiLine); + function isDefaultExternalModuleExport(node) { + return isExternalModuleExport(node) + && ts.hasModifier(node, 512); } - function visitExpressionOfSpreadElement(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function expressionToStatement(expression) { + return ts.createStatement(expression, undefined); } - function visitTemplateLiteral(node) { - return ts.createLiteral(node.text, node); + function addExportMemberAssignment(statements, node) { + var expression = ts.createAssignment(getExportName(node), getLocalName(node, true)); + ts.setSourceMapRange(expression, ts.createRange(node.name.pos, node.end)); + var statement = ts.createStatement(expression); + ts.setSourceMapRange(statement, ts.createRange(-1, node.end)); + statements.push(statement); } - function visitTaggedTemplateExpression(node) { - var tag = ts.visitNode(node.tag, visitor, ts.isExpression); - var temp = ts.createTempVariable(hoistVariableDeclaration); - var templateArguments = [temp]; - var cookedStrings = []; - var rawStrings = []; - var template = node.template; - if (ts.isNoSubstitutionTemplateLiteral(template)) { - cookedStrings.push(ts.createLiteral(template.text)); - rawStrings.push(getRawLiteral(template)); + function createNamespaceExport(exportName, exportValue, location) { + return ts.createStatement(ts.createAssignment(getNamespaceMemberName(exportName, false, true), exportValue), location); + } + function createExternalModuleExport(exportName) { + return ts.createExportDeclaration(undefined, undefined, ts.createNamedExports([ + ts.createExportSpecifier(exportName) + ])); + } + function getNamespaceMemberName(name, allowComments, allowSourceMaps) { + var qualifiedName = ts.createPropertyAccess(currentNamespaceContainerName, ts.getSynthesizedClone(name), name); + var emitFlags; + if (!allowComments) { + emitFlags |= 49152; } - else { - cookedStrings.push(ts.createLiteral(template.head.text)); - rawStrings.push(getRawLiteral(template.head)); - for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { - var templateSpan = _a[_i]; - cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); - rawStrings.push(getRawLiteral(templateSpan.literal)); - templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); - } + if (!allowSourceMaps) { + emitFlags |= 1536; } - return ts.createParen(ts.inlineExpressions([ - ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), - ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), - ts.createCall(tag, undefined, templateArguments) - ])); + if (emitFlags) { + ts.setEmitFlags(qualifiedName, emitFlags); + } + return qualifiedName; } - function getRawLiteral(node) { - var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); - var isLast = node.kind === 12 || node.kind === 15; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - text = text.replace(/\r\n?/g, "\n"); - return ts.createLiteral(text, node); + function getNamespaceMemberNameWithSourceMapsAndWithoutComments(name) { + return getNamespaceMemberName(name, false, true); } - function visitTemplateExpression(node) { - var expressions = []; - addTemplateHead(expressions, node); - addTemplateSpans(expressions, node); - var expression = ts.reduceLeft(expressions, ts.createAdd); - if (ts.nodeIsSynthesized(expression)) { - ts.setTextRange(expression, node); - } - return expression; + function getNamespaceParameterName(node) { + var name = ts.getGeneratedNameForNode(node); + ts.setSourceMapRange(name, node.name); + return name; } - function shouldAddTemplateHead(node) { - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + function getNamespaceContainerName(node) { + return ts.getGeneratedNameForNode(node); } - function addTemplateHead(expressions, node) { - if (!shouldAddTemplateHead(node)) { - return; + function getLocalName(node, noSourceMaps, allowComments) { + return getDeclarationName(node, allowComments, !noSourceMaps, 262144); + } + function getExportName(node, noSourceMaps, allowComments) { + if (isNamespaceExport(node)) { + return getNamespaceMemberName(getDeclarationName(node), allowComments, !noSourceMaps); } - expressions.push(ts.createLiteral(node.head.text)); + return getDeclarationName(node, allowComments, !noSourceMaps, 131072); } - function addTemplateSpans(expressions, node) { - for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { - var span_6 = _a[_i]; - expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); - if (span_6.literal.text.length !== 0) { - expressions.push(ts.createLiteral(span_6.literal.text)); + function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { + if (node.name) { + var name_32 = ts.getMutableClone(node.name); + emitFlags |= ts.getEmitFlags(node.name); + if (!allowSourceMaps) { + emitFlags |= 1536; + } + if (!allowComments) { + emitFlags |= 49152; } + if (emitFlags) { + ts.setEmitFlags(name_32, emitFlags); + } + return name_32; + } + else { + return ts.getGeneratedNameForNode(node); } } - function visitSuperKeyword() { - return enclosingNonAsyncFunctionBody - && ts.isClassElement(enclosingNonAsyncFunctionBody) - && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32) - && currentParent.kind !== 175 - ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") - : ts.createIdentifier("_super"); + function getClassPrototype(node) { + return ts.createPropertyAccess(getDeclarationName(node), "prototype"); } - function visitSourceFileNode(node) { - var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; - var statements = []; - startLexicalEnvironment(); - ts.addRange(statements, prologue); - addCaptureThisForNodeIfNeeded(statements, node); - ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); - ts.addRange(statements, endLexicalEnvironment()); - var clone = ts.getMutableClone(node); - clone.statements = ts.createNodeArray(statements, node.statements); - return clone; + function getClassMemberPrefix(node, member) { + return ts.hasModifier(member, 32) + ? getDeclarationName(node) + : getClassPrototype(node); } - function onEmitNode(emitContext, node, emitCallback) { - var savedEnclosingFunction = enclosingFunction; - if (enabledSubstitutions & 1 && ts.isFunctionLike(node)) { - enclosingFunction = node; + function enableSubstitutionForNonQualifiedEnumMembers() { + if ((enabledSubstitutions & 8) === 0) { + enabledSubstitutions |= 8; + context.enableSubstitution(70); } - previousOnEmitNode(emitContext, node, emitCallback); - enclosingFunction = savedEnclosingFunction; } - function enableSubstitutionsForBlockScopedBindings() { + function enableSubstitutionForClassAliases() { + if ((enabledSubstitutions & 1) === 0) { + enabledSubstitutions |= 1; + context.enableSubstitution(70); + classAliases = ts.createMap(); + } + } + function enableSubstitutionForNamespaceExports() { if ((enabledSubstitutions & 2) === 0) { enabledSubstitutions |= 2; context.enableSubstitution(70); + context.enableSubstitution(254); + context.enableEmitNotification(226); } } - function enableSubstitutionsForCapturedThis() { - if ((enabledSubstitutions & 1) === 0) { - enabledSubstitutions |= 1; - context.enableSubstitution(98); - context.enableEmitNotification(149); - context.enableEmitNotification(148); - context.enableEmitNotification(150); - context.enableEmitNotification(151); - context.enableEmitNotification(181); - context.enableEmitNotification(180); - context.enableEmitNotification(221); + function isTransformedModuleDeclaration(node) { + return ts.getOriginalNode(node).kind === 226; + } + function isTransformedEnumDeclaration(node) { + return ts.getOriginalNode(node).kind === 225; + } + function onEmitNode(emitContext, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + if (enabledSubstitutions & 2 && isTransformedModuleDeclaration(node)) { + applicableSubstitutions |= 2; + } + if (enabledSubstitutions & 8 && isTransformedEnumDeclaration(node)) { + applicableSubstitutions |= 8; } + previousOnEmitNode(emitContext, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; } function onSubstituteNode(emitContext, node) { node = previousOnSubstituteNode(emitContext, node); if (emitContext === 1) { return substituteExpression(node); } - if (ts.isIdentifier(node)) { - return substituteIdentifier(node); + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); } return node; } - function substituteIdentifier(node) { + function substituteShorthandPropertyAssignment(node) { if (enabledSubstitutions & 2) { - var original = ts.getParseTreeNode(node, ts.isIdentifier); - if (original && isNameOfDeclarationWithCollidingName(original)) { - return ts.getGeneratedNameForNode(original); + var name_33 = node.name; + var exportedName = trySubstituteNamespaceExportedName(name_33); + if (exportedName) { + if (node.objectAssignmentInitializer) { + var initializer = ts.createAssignment(exportedName, node.objectAssignmentInitializer); + return ts.createPropertyAssignment(name_33, initializer, node); + } + return ts.createPropertyAssignment(name_33, exportedName, node); } } return node; } - function isNameOfDeclarationWithCollidingName(node) { - var parent = node.parent; - switch (parent.kind) { - case 170: - case 222: - case 225: - case 219: - return parent.name === node - && resolver.isDeclarationWithCollidingName(parent); - } - return false; - } function substituteExpression(node) { switch (node.kind) { case 70: return substituteExpressionIdentifier(node); - case 98: - return substituteThisKeyword(node); + case 173: + return substitutePropertyAccessExpression(node); + case 174: + return substituteElementAccessExpression(node); } return node; } function substituteExpressionIdentifier(node) { - if (enabledSubstitutions & 2) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - return ts.getGeneratedNameForNode(declaration.name); + return trySubstituteClassAlias(node) + || trySubstituteNamespaceExportedName(node) + || node; + } + function trySubstituteClassAlias(node) { + if (enabledSubstitutions & 1) { + if (resolver.getNodeCheckFlags(node) & 16777216) { + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = classAliases[declaration.id]; + if (classAlias) { + var clone_4 = ts.getSynthesizedClone(classAlias); + ts.setSourceMapRange(clone_4, node); + ts.setCommentRange(clone_4, node); + return clone_4; + } + } } } - return node; + return undefined; } - function substituteThisKeyword(node) { - if (enabledSubstitutions & 1 - && enclosingFunction - && ts.getEmitFlags(enclosingFunction) & 256) { - return ts.createIdentifier("_this", node); + function trySubstituteNamespaceExportedName(node) { + if (enabledSubstitutions & applicableSubstitutions && (ts.getEmitFlags(node) & 262144) === 0) { + var container = resolver.getReferencedExportContainer(node, false); + if (container) { + var substitute = (applicableSubstitutions & 2 && container.kind === 226) || + (applicableSubstitutions & 8 && container.kind === 225); + if (substitute) { + return ts.createPropertyAccess(ts.getGeneratedNameForNode(container), node, node); + } + } } - return node; + return undefined; } - function getLocalName(node, allowComments, allowSourceMaps) { - return getDeclarationName(node, allowComments, allowSourceMaps, 262144); + function substitutePropertyAccessExpression(node) { + return substituteConstantValue(node); } - function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { - if (node.name && !ts.isGeneratedIdentifier(node.name)) { - var name_33 = ts.getMutableClone(node.name); - emitFlags |= ts.getEmitFlags(node.name); - if (!allowSourceMaps) { - emitFlags |= 1536; - } - if (!allowComments) { - emitFlags |= 49152; - } - if (emitFlags) { - ts.setEmitFlags(name_33, emitFlags); + function substituteElementAccessExpression(node) { + return substituteConstantValue(node); + } + function substituteConstantValue(node) { + var constantValue = tryGetConstEnumValue(node); + if (constantValue !== undefined) { + var substitute = ts.createLiteral(constantValue); + ts.setSourceMapRange(substitute, node); + ts.setCommentRange(substitute, node); + if (!compilerOptions.removeComments) { + var propertyName = ts.isPropertyAccessExpression(node) + ? ts.declarationNameToString(node.name) + : ts.getTextOfNode(node.argumentExpression); + substitute.trailingComment = " " + propertyName + " "; } - return name_33; + ts.setConstantValue(node, constantValue); + return substitute; } - return ts.getGeneratedNameForNode(node); - } - function getClassMemberPrefix(node, member) { - var expression = getLocalName(node); - return ts.hasModifier(member, 32) ? expression : ts.createPropertyAccess(expression, "prototype"); + return node; } - function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { - if (!constructor || !hasExtendsClause) { - return false; - } - var parameter = ts.singleOrUndefined(constructor.parameters); - if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { - return false; - } - var statement = ts.firstOrUndefined(constructor.body.statements); - if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203) { - return false; - } - var statementExpression = statement.expression; - if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175) { - return false; - } - var callTarget = statementExpression.expression; - if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96) { - return false; - } - var callArgument = ts.singleOrUndefined(statementExpression.arguments); - if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192) { - return false; + function tryGetConstEnumValue(node) { + if (compilerOptions.isolatedModules) { + return undefined; } - var expression = callArgument.expression; - return ts.isIdentifier(expression) && expression === parameter.name; + return ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node) + ? resolver.getConstantValue(node) + : undefined; } } - ts.transformES2015 = transformES2015; + ts.transformTypeScript = transformTypeScript; })(ts || (ts = {})); var ts; (function (ts) { - var OpCode; - (function (OpCode) { - OpCode[OpCode["Nop"] = 0] = "Nop"; - OpCode[OpCode["Statement"] = 1] = "Statement"; - OpCode[OpCode["Assign"] = 2] = "Assign"; - OpCode[OpCode["Break"] = 3] = "Break"; - OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; - OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; - OpCode[OpCode["Yield"] = 6] = "Yield"; - OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; - OpCode[OpCode["Return"] = 8] = "Return"; - OpCode[OpCode["Throw"] = 9] = "Throw"; - OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; - })(OpCode || (OpCode = {})); - var BlockAction; - (function (BlockAction) { - BlockAction[BlockAction["Open"] = 0] = "Open"; - BlockAction[BlockAction["Close"] = 1] = "Close"; - })(BlockAction || (BlockAction = {})); - var CodeBlockKind; - (function (CodeBlockKind) { - CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; - CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; - CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; - CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; - CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; - })(CodeBlockKind || (CodeBlockKind = {})); - var ExceptionBlockState; - (function (ExceptionBlockState) { - ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; - ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; - ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; - ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; - })(ExceptionBlockState || (ExceptionBlockState = {})); - var Instruction; - (function (Instruction) { - Instruction[Instruction["Next"] = 0] = "Next"; - Instruction[Instruction["Throw"] = 1] = "Throw"; - Instruction[Instruction["Return"] = 2] = "Return"; - Instruction[Instruction["Break"] = 3] = "Break"; - Instruction[Instruction["Yield"] = 4] = "Yield"; - Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; - Instruction[Instruction["Catch"] = 6] = "Catch"; - Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; - })(Instruction || (Instruction = {})); - var instructionNames = ts.createMap((_a = {}, - _a[2] = "return", - _a[3] = "break", - _a[4] = "yield", - _a[5] = "yield*", - _a[7] = "endfinally", - _a)); - function transformGenerators(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; + var entities = createEntitiesMap(); + function transformJsx(context) { var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var resolver = context.getEmitResolver(); - var previousOnSubstituteNode = context.onSubstituteNode; - context.onSubstituteNode = onSubstituteNode; var currentSourceFile; - var renamedCatchVariables; - var renamedCatchVariableDeclarations; - var inGeneratorFunctionBody; - var inStatementContainingYield; - var blocks; - var blockOffsets; - var blockActions; - var blockStack; - var labelOffsets; - var labelExpressions; - var nextLabelId = 1; - var operations; - var operationArguments; - var operationLocations; - var state; - var blockIndex = 0; - var labelNumber = 0; - var labelNumbers; - var lastOperationWasAbrupt; - var lastOperationWasCompletion; - var clauses; - var statements; - var exceptionBlockStack; - var currentExceptionBlock; - var withBlockStack; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (node.transformFlags & 4096) { - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - } + currentSourceFile = node; + node = ts.visitEachChild(node, visitor, context); + currentSourceFile = undefined; return node; } function visitor(node) { - var transformFlags = node.transformFlags; - if (inStatementContainingYield) { - return visitJavaScriptInStatementContainingYield(node); - } - else if (inGeneratorFunctionBody) { - return visitJavaScriptInGeneratorFunctionBody(node); - } - else if (transformFlags & 2048) { - return visitGenerator(node); + if (node.transformFlags & 4) { + return visitorWorker(node); } - else if (transformFlags & 4096) { + else if (node.transformFlags & 8) { return ts.visitEachChild(node, visitor, context); } else { return node; } } - function visitJavaScriptInStatementContainingYield(node) { - switch (node.kind) { - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 214: - return visitSwitchStatement(node); - case 215: - return visitLabeledStatement(node); - default: - return visitJavaScriptInGeneratorFunctionBody(node); - } - } - function visitJavaScriptInGeneratorFunctionBody(node) { - switch (node.kind) { - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); - case 150: - case 151: - return visitAccessorDeclaration(node); - case 201: - return visitVariableStatement(node); - case 207: - return visitForStatement(node); - case 208: - return visitForInStatement(node); - case 211: - return visitBreakStatement(node); - case 210: - return visitContinueStatement(node); - case 212: - return visitReturnStatement(node); - default: - if (node.transformFlags & 16777216) { - return visitJavaScriptContainingYield(node); - } - else if (node.transformFlags & (4096 | 33554432)) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } - } - } - function visitJavaScriptContainingYield(node) { + function visitorWorker(node) { switch (node.kind) { - case 188: - return visitBinaryExpression(node); - case 189: - return visitConditionalExpression(node); - case 191: - return visitYieldExpression(node); - case 171: - return visitArrayLiteralExpression(node); - case 172: - return visitObjectLiteralExpression(node); - case 174: - return visitElementAccessExpression(node); - case 175: - return visitCallExpression(node); - case 176: - return visitNewExpression(node); + case 242: + return visitJsxElement(node, false); + case 243: + return visitJsxSelfClosingElement(node, false); + case 248: + return visitJsxExpression(node); default: - return ts.visitEachChild(node, visitor, context); + ts.Debug.failBadSyntaxKind(node); + return undefined; } } - function visitGenerator(node) { + function transformJsxChildToExpression(node) { switch (node.kind) { - case 221: - return visitFunctionDeclaration(node); - case 180: - return visitFunctionExpression(node); + case 10: + return visitJsxText(node); + case 248: + return visitJsxExpression(node); + case 242: + return visitJsxElement(node, true); + case 243: + return visitJsxSelfClosingElement(node, true); default: ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function visitFunctionDeclaration(node) { - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - node = ts.setOriginalNode(ts.createFunctionDeclaration(undefined, undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); - } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - } - if (inGeneratorFunctionBody) { - hoistFunctionDeclaration(node); - return undefined; - } - else { - return node; + return undefined; } } - function visitFunctionExpression(node) { - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { - node = ts.setOriginalNode(ts.createFunctionExpression(undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + function visitJsxElement(node, isChild) { + return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, node); + } + function visitJsxSelfClosingElement(node, isChild) { + return visitJsxOpeningLikeElement(node, undefined, isChild, node); + } + function visitJsxOpeningLikeElement(node, children, isChild, location) { + var tagName = getTagName(node); + var objectProperties; + var attrs = node.attributes; + if (attrs.length === 0) { + objectProperties = ts.createNull(); } else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; + var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread + ? ts.map(attrs, transformJsxSpreadAttributeToExpression) + : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); + if (ts.isJsxSpreadAttribute(attrs[0])) { + segments.unshift(ts.createObjectLiteral()); + } + objectProperties = ts.singleOrUndefined(segments) + || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); } - return node; + var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); + if (isChild) { + ts.startOnNewLine(element); + } + return element; } - function visitAccessorDeclaration(node) { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - return node; + function transformJsxSpreadAttributeToExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } - function transformGeneratorFunctionBody(body) { - var statements = []; - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - var savedBlocks = blocks; - var savedBlockOffsets = blockOffsets; - var savedBlockActions = blockActions; - var savedBlockStack = blockStack; - var savedLabelOffsets = labelOffsets; - var savedLabelExpressions = labelExpressions; - var savedNextLabelId = nextLabelId; - var savedOperations = operations; - var savedOperationArguments = operationArguments; - var savedOperationLocations = operationLocations; - var savedState = state; - inGeneratorFunctionBody = true; - inStatementContainingYield = false; - blocks = undefined; - blockOffsets = undefined; - blockActions = undefined; - blockStack = undefined; - labelOffsets = undefined; - labelExpressions = undefined; - nextLabelId = 1; - operations = undefined; - operationArguments = undefined; - operationLocations = undefined; - state = ts.createTempVariable(undefined); - startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); - transformAndEmitStatements(body.statements, statementOffset); - var buildResult = build(); - ts.addRange(statements, endLexicalEnvironment()); - statements.push(ts.createReturn(buildResult)); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - blocks = savedBlocks; - blockOffsets = savedBlockOffsets; - blockActions = savedBlockActions; - blockStack = savedBlockStack; - labelOffsets = savedLabelOffsets; - labelExpressions = savedLabelExpressions; - nextLabelId = savedNextLabelId; - operations = savedOperations; - operationArguments = savedOperationArguments; - operationLocations = savedOperationLocations; - state = savedState; - return ts.createBlock(statements, body, body.multiLine); + function transformJsxAttributeToObjectLiteralElement(node) { + var name = getAttributeName(node); + var expression = transformJsxAttributeInitializer(node.initializer); + return ts.createPropertyAssignment(name, expression); } - function visitVariableStatement(node) { - if (node.transformFlags & 16777216) { - transformAndEmitVariableDeclarationList(node.declarationList); - return undefined; + function transformJsxAttributeInitializer(node) { + if (node === undefined) { + return ts.createLiteral(true); + } + else if (node.kind === 9) { + var decoded = tryDecodeEntities(node.text); + return decoded ? ts.createLiteral(decoded, node) : node; + } + else if (node.kind === 248) { + return visitJsxExpression(node); } else { - if (ts.getEmitFlags(node) & 8388608) { - return node; + ts.Debug.failBadSyntaxKind(node); + } + } + function visitJsxText(node) { + var text = ts.getTextOfNode(node, true); + var parts; + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + if (!parts) { + parts = []; + } + parts.push(ts.createLiteral(decodeEntities(part))); + } + firstNonWhitespace = -1; } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } } - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length === 0) { - return undefined; + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + if (!parts) { + parts = []; } - return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); + parts.push(ts.createLiteral(decodeEntities(part))); } - } - function visitBinaryExpression(node) { - switch (ts.getExpressionAssociativity(node)) { - case 0: - return visitLeftAssociativeBinaryExpression(node); - case 1: - return visitRightAssociativeBinaryExpression(node); - default: - ts.Debug.fail("Unknown associativity."); + if (parts) { + return ts.reduceLeft(parts, aggregateJsxTextParts); } + return undefined; } - function isCompoundAssignment(kind) { - return kind >= 58 - && kind <= 69; - } - function getOperatorForCompoundAssignment(kind) { - switch (kind) { - case 58: return 36; - case 59: return 37; - case 60: return 38; - case 61: return 39; - case 62: return 40; - case 63: return 41; - case 64: return 44; - case 65: return 45; - case 66: return 46; - case 67: return 47; - case 68: return 48; - case 69: return 49; - } + function aggregateJsxTextParts(left, right) { + return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); } - function visitRightAssociativeBinaryExpression(node) { - var left = node.left, right = node.right; - if (containsYield(right)) { - var target = void 0; - switch (left.kind) { - case 173: - target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); - break; - case 174: - target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); - break; - default: - target = ts.visitNode(left, visitor, ts.isExpression); - break; + function decodeEntities(text) { + return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { + if (decimal) { + return String.fromCharCode(parseInt(decimal, 10)); } - var operator = node.operatorToken.kind; - if (isCompoundAssignment(operator)) { - return ts.createBinary(target, 57, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); + else if (hex) { + return String.fromCharCode(parseInt(hex, 16)); } else { - return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); + var ch = entities[word]; + return ch ? String.fromCharCode(ch) : match; } - } - return ts.visitEachChild(node, visitor, context); + }); } - function visitLeftAssociativeBinaryExpression(node) { - if (containsYield(node.right)) { - if (ts.isLogicalOperator(node.operatorToken.kind)) { - return visitLogicalBinaryExpression(node); + function tryDecodeEntities(text) { + var decoded = decodeEntities(text); + return decoded === text ? undefined : decoded; + } + function getTagName(node) { + if (node.kind === 242) { + return getTagName(node.openingElement); + } + else { + var name_34 = node.tagName; + if (ts.isIdentifier(name_34) && ts.isIntrinsicJsxName(name_34.text)) { + return ts.createLiteral(name_34.text); } - else if (node.operatorToken.kind === 25) { - return visitCommaExpression(node); + else { + return ts.createExpressionFromEntityName(name_34); } - var clone_6 = ts.getMutableClone(node); - clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); - clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); - return clone_6; } - return ts.visitEachChild(node, visitor, context); } - function visitLogicalBinaryExpression(node) { - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), node.left); - if (node.operatorToken.kind === 52) { - emitBreakWhenFalse(resultLabel, resultLocal, node.left); + function getAttributeName(node) { + var name = node.name; + if (/^[A-Za-z_]\w*$/.test(name.text)) { + return name; } else { - emitBreakWhenTrue(resultLabel, resultLocal, node.left); + return ts.createLiteral(name.text); } - emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), node.right); - markLabel(resultLabel); - return resultLocal; } - function visitCommaExpression(node) { - var pendingExpressions = []; - visit(node.left); - visit(node.right); - return ts.inlineExpressions(pendingExpressions); - function visit(node) { - if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25) { - visit(node.left); - visit(node.right); - } - else { - if (containsYield(node) && pendingExpressions.length > 0) { - emitWorker(1, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); - pendingExpressions = []; - } - pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); - } - } + function visitJsxExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } - function visitConditionalExpression(node) { - if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { - var whenFalseLabel = defineLabel(); - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), node.condition); - emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), node.whenTrue); - emitBreak(resultLabel); - markLabel(whenFalseLabel); - emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), node.whenFalse); - markLabel(resultLabel); - return resultLocal; + } + ts.transformJsx = transformJsx; + function createEntitiesMap() { + return ts.createMap({ + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }); + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2017(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var currentSourceFileExternalHelpersModuleName; + var enabledSubstitutions; + var applicableSubstitutions; + var currentSuperContainer; + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentScope; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } + currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; return ts.visitEachChild(node, visitor, context); } - function visitYieldExpression(node) { - var resumeLabel = defineLabel(); - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - if (node.asteriskToken) { - emitYieldStar(expression, node); - } - else { - emitYield(expression, node); - } - markLabel(resumeLabel); - return createGeneratorResume(); - } - function visitArrayLiteralExpression(node) { - return visitElements(node.elements, node.multiLine); - } - function visitElements(elements, _multiLine) { - var numInitialElements = countInitialNodesWithoutYield(elements); - var temp = declareLocal(); - var hasAssignedTemp = false; - if (numInitialElements > 0) { - emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); - hasAssignedTemp = true; - } - var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); - return hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions); - function reduceElement(expressions, element) { - if (containsYield(element) && expressions.length > 0) { - emitAssignment(temp, hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions)); - hasAssignedTemp = true; - expressions = []; - } - expressions.push(ts.visitNode(element, visitor, ts.isExpression)); - return expressions; + function visitor(node) { + if (node.transformFlags & 16) { + return visitorWorker(node); } - } - function visitObjectLiteralExpression(node) { - var properties = node.properties; - var multiLine = node.multiLine; - var numInitialProperties = countInitialNodesWithoutYield(properties); - var temp = declareLocal(); - emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, multiLine)); - var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); - expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); - function reduceProperty(expressions, property) { - if (containsYield(property) && expressions.length > 0) { - emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); - expressions = []; - } - var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); - var visited = ts.visitNode(expression, visitor, ts.isExpression); - if (visited) { - if (multiLine) { - visited.startsOnNewLine = true; - } - expressions.push(visited); - } - return expressions; + else if (node.transformFlags & 32) { + return ts.visitEachChild(node, visitor, context); } + return node; } - function visitElementAccessExpression(node) { - if (containsYield(node.argumentExpression)) { - var clone_7 = ts.getMutableClone(node); - clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); - clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); - return clone_7; + function visitorWorker(node) { + switch (node.kind) { + case 119: + return undefined; + case 185: + return visitAwaitExpression(node); + case 148: + return visitMethodDeclaration(node); + case 221: + return visitFunctionDeclaration(node); + case 180: + return visitFunctionExpression(node); + case 181: + return visitArrowFunction(node); + default: + ts.Debug.failBadSyntaxKind(node); + return node; } - return ts.visitEachChild(node, visitor, context); } - function visitCallExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, true), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), node), node); - } - return ts.visitEachChild(node, visitor, context); + function visitAwaitExpression(node) { + return ts.setOriginalNode(ts.createYield(undefined, ts.visitNode(node.expression, visitor, ts.isExpression), node), node); } - function visitNewExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), undefined, [], node), node); + function visitMethodDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - return ts.visitEachChild(node, visitor, context); + var method = ts.createMethod(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setCommentRange(method, node); + ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(method, node); + return method; } - function transformAndEmitStatements(statements, start) { - if (start === void 0) { start = 0; } - var numStatements = statements.length; - for (var i = start; i < numStatements; i++) { - transformAndEmitStatement(statements[i]); + function visitFunctionDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } + var func = ts.createFunctionDeclaration(undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function transformAndEmitEmbeddedStatement(node) { - if (ts.isBlock(node)) { - transformAndEmitStatements(node.statements); + function visitFunctionExpression(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - else { - transformAndEmitStatement(node); + if (ts.nodeIsMissing(node.body)) { + return ts.createOmittedExpression(); } + var func = ts.createFunctionExpression(undefined, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function transformAndEmitStatement(node) { - var savedInStatementContainingYield = inStatementContainingYield; - if (!inStatementContainingYield) { - inStatementContainingYield = containsYield(node); + function visitArrowFunction(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - transformAndEmitStatementWorker(node); - inStatementContainingYield = savedInStatementContainingYield; + var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, node.equalsGreaterThanToken, transformConciseBody(node), node); + ts.setOriginalNode(func, node); + return func; } - function transformAndEmitStatementWorker(node) { - switch (node.kind) { - case 200: - return transformAndEmitBlock(node); - case 203: - return transformAndEmitExpressionStatement(node); - case 204: - return transformAndEmitIfStatement(node); - case 205: - return transformAndEmitDoStatement(node); - case 206: - return transformAndEmitWhileStatement(node); - case 207: - return transformAndEmitForStatement(node); - case 208: - return transformAndEmitForInStatement(node); - case 210: - return transformAndEmitContinueStatement(node); - case 211: - return transformAndEmitBreakStatement(node); - case 212: - return transformAndEmitReturnStatement(node); - case 213: - return transformAndEmitWithStatement(node); - case 214: - return transformAndEmitSwitchStatement(node); - case 215: - return transformAndEmitLabeledStatement(node); - case 216: - return transformAndEmitThrowStatement(node); - case 217: - return transformAndEmitTryStatement(node); - default: - return emitStatement(ts.visitNode(node, visitor, ts.isStatement, true)); - } + function transformFunctionBody(node) { + return transformAsyncFunctionBody(node); } - function transformAndEmitBlock(node) { - if (containsYield(node)) { - transformAndEmitStatements(node.statements); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } + function transformConciseBody(node) { + return transformAsyncFunctionBody(node); } - function transformAndEmitExpressionStatement(node) { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + function transformFunctionBodyWorker(body, start) { + if (start === void 0) { start = 0; } + var savedCurrentScope = currentScope; + currentScope = body; + startLexicalEnvironment(); + var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); + var visited = ts.updateBlock(body, statements); + var declarations = endLexicalEnvironment(); + currentScope = savedCurrentScope; + return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); } - function transformAndEmitVariableDeclarationList(node) { - for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - var variables = ts.getInitializedVariables(node); - var numVariables = variables.length; - var variablesWritten = 0; - var pendingExpressions = []; - while (variablesWritten < numVariables) { - for (var i = variablesWritten; i < numVariables; i++) { - var variable = variables[i]; - if (containsYield(variable.initializer) && pendingExpressions.length > 0) { - break; + function transformAsyncFunctionBody(node) { + var nodeType = node.original ? node.original.type : node.type; + var promiseConstructor = languageVersion < 2 ? getPromiseConstructor(nodeType) : undefined; + var isArrowFunction = node.kind === 181; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; + if (!isArrowFunction) { + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, false, visitor); + statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); + var block = ts.createBlock(statements, node.body, true); + if (languageVersion >= 2) { + if (resolver.getNodeCheckFlags(node) & 4096) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 8); } - pendingExpressions.push(transformInitializedVariable(variable)); - } - if (pendingExpressions.length) { - emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); - variablesWritten += pendingExpressions.length; - pendingExpressions = []; - } - } - return undefined; - } - function transformInitializedVariable(node) { - return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); - } - function transformAndEmitIfStatement(node) { - if (containsYield(node)) { - if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { - var endLabel = defineLabel(); - var elseLabel = node.elseStatement ? defineLabel() : undefined; - emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - emitBreak(endLabel); - markLabel(elseLabel); - transformAndEmitEmbeddedStatement(node.elseStatement); + else if (resolver.getNodeCheckFlags(node) & 2048) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 4); } - markLabel(endLabel); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } + return block; } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } - } - function transformAndEmitDoStatement(node) { - if (containsYield(node)) { - var conditionLabel = defineLabel(); - var loopLabel = defineLabel(); - beginLoopBlock(conditionLabel); - markLabel(loopLabel); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(conditionLabel); - emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, true)); } } - function visitDoStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + function transformConciseBodyWorker(body, forceBlockFunctionBody) { + if (ts.isBlock(body)) { + return transformFunctionBodyWorker(body); } else { - return ts.visitEachChild(node, visitor, context); + startLexicalEnvironment(); + var visited = ts.visitNode(body, visitor, ts.isConciseBody); + var declarations = endLexicalEnvironment(); + var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (forceBlockFunctionBody && !ts.isBlock(merged)) { + return ts.createBlock([ + ts.createReturn(merged) + ]); + } + else { + return merged; + } } } - function transformAndEmitWhileStatement(node) { - if (containsYield(node)) { - var loopLabel = defineLabel(); - var endLabel = beginLoopBlock(loopLabel); - markLabel(loopLabel); - emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.statement); - emitBreak(loopLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + function getPromiseConstructor(type) { + var typeName = ts.getEntityNameFromTypeNode(type); + if (typeName && ts.isEntityName(typeName)) { + var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); + if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue + || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { + return typeName; + } } + return undefined; } - function visitWhileStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; - } - else { - return ts.visitEachChild(node, visitor, context); + function enableSubstitutionForAsyncMethodsWithSuper() { + if ((enabledSubstitutions & 1) === 0) { + enabledSubstitutions |= 1; + context.enableSubstitution(175); + context.enableSubstitution(173); + context.enableSubstitution(174); + context.enableEmitNotification(222); + context.enableEmitNotification(148); + context.enableEmitNotification(150); + context.enableEmitNotification(151); + context.enableEmitNotification(149); } } - function transformAndEmitForStatement(node) { - if (containsYield(node)) { - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - if (node.initializer) { - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - transformAndEmitVariableDeclarationList(initializer); - } - else { - emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), initializer)); + function substituteExpression(node) { + switch (node.kind) { + case 173: + return substitutePropertyAccessExpression(node); + case 174: + return substituteElementAccessExpression(node); + case 175: + if (enabledSubstitutions & 1) { + return substituteCallExpression(node); } - } - markLabel(conditionLabel); - if (node.condition) { - emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); - } - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - if (node.incrementor) { - emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), node.incrementor)); - } - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + break; } + return node; } - function visitForStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + function substitutePropertyAccessExpression(node) { + if (enabledSubstitutions & 1 && node.expression.kind === 96) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); } - var variables = ts.getInitializedVariables(initializer); - node = ts.updateFor(node, variables.length > 0 - ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) - : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, true), ts.visitNode(node.incrementor, visitor, ts.isExpression, true), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); - } - else { - node = ts.visitEachChild(node, visitor, context); - } - if (inStatementContainingYield) { - endLoopBlock(); } return node; } - function transformAndEmitForInStatement(node) { - if (containsYield(node)) { - var keysArray = declareLocal(); - var key = declareLocal(); - var keysIndex = ts.createLoopVariable(); - var initializer = node.initializer; - hoistVariableDeclaration(keysIndex); - emitAssignment(keysArray, ts.createArrayLiteral()); - emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), undefined, [key])))); - emitAssignment(keysIndex, ts.createLiteral(0)); - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - markLabel(conditionLabel); - emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); - var variable = void 0; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable_1 = _a[_i]; - hoistVariableDeclaration(variable_1.name); - } - variable = ts.getSynthesizedClone(initializer.declarations[0].name); - } - else { - variable = ts.visitNode(initializer, visitor, ts.isExpression); - ts.Debug.assert(ts.isLeftHandSideExpression(variable)); + function substituteElementAccessExpression(node) { + if (enabledSubstitutions & 1 && node.expression.kind === 96) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); } - emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } + return node; } - function visitForInStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + function substituteCallExpression(node) { + var expression = node.expression; + if (ts.isSuperProperty(expression)) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + var argumentExpression = ts.isPropertyAccessExpression(expression) + ? substitutePropertyAccessExpression(expression) + : substituteElementAccessExpression(expression); + return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), undefined, [ + ts.createThis() + ].concat(node.arguments)); } - node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); - } - else { - node = ts.visitEachChild(node, visitor, context); - } - if (inStatementContainingYield) { - endLoopBlock(); } return node; } - function transformAndEmitContinueStatement(node) { - var label = findContinueTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); - emitBreak(label, node); + function isSuperContainer(node) { + var kind = node.kind; + return kind === 222 + || kind === 149 + || kind === 148 + || kind === 150 + || kind === 151; } - function visitContinueStatement(node) { - if (inStatementContainingYield) { - var label = findContinueTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, node); - } + function onEmitNode(emitContext, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + var savedCurrentSuperContainer = currentSuperContainer; + if (enabledSubstitutions & 1 && isSuperContainer(node)) { + currentSuperContainer = node; } - return ts.visitEachChild(node, visitor, context); + previousOnEmitNode(emitContext, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; + currentSuperContainer = savedCurrentSuperContainer; } - function transformAndEmitBreakStatement(node) { - var label = findBreakTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); - emitBreak(label, node); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); + } + return node; } - function visitBreakStatement(node) { - if (inStatementContainingYield) { - var label = findBreakTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, node); - } + function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { + if (flags & 4096) { + return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression]), "value", location); + } + else { + return ts.createCall(ts.createIdentifier("_super"), undefined, [argumentExpression], location); } - return ts.visitEachChild(node, visitor, context); } - function transformAndEmitReturnStatement(node) { - emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); + function getSuperContainerAsyncMethodFlags() { + return currentSuperContainer !== undefined + && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 | 4096); } - function visitReturnStatement(node) { - return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); + } + ts.transformES2017 = transformES2017; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2016(context) { + var hoistVariableDeclaration = context.hoistVariableDeclaration; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; + } + return ts.visitEachChild(node, visitor, context); } - function transformAndEmitWithStatement(node) { - if (containsYield(node)) { - beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); - transformAndEmitEmbeddedStatement(node.statement); - endWithBlock(); + function visitor(node) { + if (node.transformFlags & 64) { + return visitorWorker(node); + } + else if (node.transformFlags & 128) { + return ts.visitEachChild(node, visitor, context); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + return node; } } - function transformAndEmitSwitchStatement(node) { - if (containsYield(node.caseBlock)) { - var caseBlock = node.caseBlock; - var numClauses = caseBlock.clauses.length; - var endLabel = beginSwitchBlock(); - var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); - var clauseLabels = []; - var defaultClauseIndex = -1; - for (var i = 0; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - clauseLabels.push(defineLabel()); - if (clause.kind === 250 && defaultClauseIndex === -1) { - defaultClauseIndex = i; - } - } - var clausesWritten = 0; - var pendingClauses = []; - while (clausesWritten < numClauses) { - var defaultClausesSkipped = 0; - for (var i = clausesWritten; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - if (clause.kind === 249) { - var caseClause = clause; - if (containsYield(caseClause.expression) && pendingClauses.length > 0) { - break; - } - pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ - createInlineBreak(clauseLabels[i], caseClause.expression) - ])); - } - else { - defaultClausesSkipped++; - } - } - if (pendingClauses.length) { - emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); - clausesWritten += pendingClauses.length; - pendingClauses = []; - } - if (defaultClausesSkipped > 0) { - clausesWritten += defaultClausesSkipped; - defaultClausesSkipped = 0; - } + function visitorWorker(node) { + switch (node.kind) { + case 188: + return visitBinaryExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } + } + function visitBinaryExpression(node) { + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = ts.visitNode(node.right, visitor, ts.isExpression); + if (node.operatorToken.kind === 61) { + var target = void 0; + var value = void 0; + if (ts.isElementAccessExpression(left)) { + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, left.argumentExpression), left); + value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, left); } - if (defaultClauseIndex >= 0) { - emitBreak(clauseLabels[defaultClauseIndex]); + else if (ts.isPropertyAccessExpression(left)) { + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, left.expression), left.name, left); + value = ts.createPropertyAccess(expressionTemp, left.name, left); } else { - emitBreak(endLabel); - } - for (var i = 0; i < numClauses; i++) { - markLabel(clauseLabels[i]); - transformAndEmitStatements(caseBlock.clauses[i].statements); + target = left; + value = left; } - endSwitchBlock(); + return ts.createAssignment(target, ts.createMathPow(value, right, node), node); + } + else if (node.operatorToken.kind === 39) { + return ts.createMathPow(left, right, node); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } } - function visitSwitchStatement(node) { - if (inStatementContainingYield) { - beginScriptSwitchBlock(); + } + ts.transformES2016 = transformES2016; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2015(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var resolver = context.getEmitResolver(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentSourceFile; + var currentText; + var currentParent; + var currentNode; + var enclosingVariableStatement; + var enclosingBlockScopeContainer; + var enclosingBlockScopeContainerParent; + var enclosingFunction; + var enclosingNonArrowFunction; + var enclosingNonAsyncFunctionBody; + var convertedLoopState; + var enabledSubstitutions; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endSwitchBlock(); + currentSourceFile = node; + currentText = node.text; + return ts.visitNode(node, visitor, ts.isSourceFile); + } + function visitor(node) { + return saveStateAndInvoke(node, dispatcher); + } + function dispatcher(node) { + return convertedLoopState + ? visitorForConvertedLoopWorker(node) + : visitorWorker(node); + } + function saveStateAndInvoke(node, f) { + var savedEnclosingFunction = enclosingFunction; + var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; + var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; + var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; + var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; + var savedEnclosingVariableStatement = enclosingVariableStatement; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var savedConvertedLoopState = convertedLoopState; + if (ts.nodeStartsNewLexicalEnvironment(node)) { + convertedLoopState = undefined; } - return node; + onBeforeVisitNode(node); + var visited = f(node); + convertedLoopState = savedConvertedLoopState; + enclosingFunction = savedEnclosingFunction; + enclosingNonArrowFunction = savedEnclosingNonArrowFunction; + enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; + enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; + enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; + enclosingVariableStatement = savedEnclosingVariableStatement; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return visited; } - function transformAndEmitLabeledStatement(node) { - if (containsYield(node)) { - beginLabeledBlock(node.label.text); - transformAndEmitEmbeddedStatement(node.statement); - endLabeledBlock(); + function shouldCheckNode(node) { + return (node.transformFlags & 256) !== 0 || + node.kind === 215 || + (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); + } + function visitorWorker(node) { + if (shouldCheckNode(node)) { + return visitJavaScript(node); + } + else if (node.transformFlags & 512) { + return ts.visitEachChild(node, visitor, context); } else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + return node; } } - function visitLabeledStatement(node) { - if (inStatementContainingYield) { - beginScriptLabeledBlock(node.label.text); + function visitorForConvertedLoopWorker(node) { + var result; + if (shouldCheckNode(node)) { + result = visitJavaScript(node); } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endLabeledBlock(); + else { + result = visitNodesInConvertedLoop(node); } - return node; + return result; } - function transformAndEmitThrowStatement(node) { - emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), node); + function visitNodesInConvertedLoop(node) { + switch (node.kind) { + case 212: + return visitReturnStatement(node); + case 201: + return visitVariableStatement(node); + case 214: + return visitSwitchStatement(node); + case 211: + case 210: + return visitBreakOrContinueStatement(node); + case 98: + return visitThisKeyword(node); + case 70: + return visitIdentifier(node); + default: + return ts.visitEachChild(node, visitor, context); + } } - function transformAndEmitTryStatement(node) { - if (containsYield(node)) { - beginExceptionBlock(); - transformAndEmitEmbeddedStatement(node.tryBlock); - if (node.catchClause) { - beginCatchBlock(node.catchClause.variableDeclaration); - transformAndEmitEmbeddedStatement(node.catchClause.block); + function visitJavaScript(node) { + switch (node.kind) { + case 83: + return node; + case 222: + return visitClassDeclaration(node); + case 193: + return visitClassExpression(node); + case 143: + return visitParameter(node); + case 221: + return visitFunctionDeclaration(node); + case 181: + return visitArrowFunction(node); + case 180: + return visitFunctionExpression(node); + case 219: + return visitVariableDeclaration(node); + case 70: + return visitIdentifier(node); + case 220: + return visitVariableDeclarationList(node); + case 215: + return visitLabeledStatement(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 207: + return visitForStatement(node); + case 208: + return visitForInStatement(node); + case 209: + return visitForOfStatement(node); + case 203: + return visitExpressionStatement(node); + case 172: + return visitObjectLiteralExpression(node); + case 252: + return visitCatchClause(node); + case 254: + return visitShorthandPropertyAssignment(node); + case 171: + return visitArrayLiteralExpression(node); + case 175: + return visitCallExpression(node); + case 176: + return visitNewExpression(node); + case 179: + return visitParenthesizedExpression(node, true); + case 188: + return visitBinaryExpression(node, true); + case 12: + case 13: + case 14: + case 15: + return visitTemplateLiteral(node); + case 177: + return visitTaggedTemplateExpression(node); + case 190: + return visitTemplateExpression(node); + case 191: + return visitYieldExpression(node); + case 96: + return visitSuperKeyword(); + case 191: + return ts.visitEachChild(node, visitor, context); + case 148: + return visitMethodDeclaration(node); + case 256: + return visitSourceFileNode(node); + case 201: + return visitVariableStatement(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } + } + function onBeforeVisitNode(node) { + if (currentNode) { + if (ts.isBlockScope(currentNode, currentParent)) { + enclosingBlockScopeContainer = currentNode; + enclosingBlockScopeContainerParent = currentParent; } - if (node.finallyBlock) { - beginFinallyBlock(); - transformAndEmitEmbeddedStatement(node.finallyBlock); + if (ts.isFunctionLike(currentNode)) { + enclosingFunction = currentNode; + if (currentNode.kind !== 181) { + enclosingNonArrowFunction = currentNode; + if (!(ts.getEmitFlags(currentNode) & 2097152)) { + enclosingNonAsyncFunctionBody = currentNode; + } + } + } + switch (currentNode.kind) { + case 201: + enclosingVariableStatement = currentNode; + break; + case 220: + case 219: + case 170: + case 168: + case 169: + break; + default: + enclosingVariableStatement = undefined; } - endExceptionBlock(); - } - else { - emitStatement(ts.visitEachChild(node, visitor, context)); } + currentParent = currentNode; + currentNode = node; } - function containsYield(node) { - return node && (node.transformFlags & 16777216) !== 0; + function visitSwitchStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps |= 2; + var result = ts.visitEachChild(node, visitor, context); + convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; + return result; } - function countInitialNodesWithoutYield(nodes) { - var numNodes = nodes.length; - for (var i = 0; i < numNodes; i++) { - if (containsYield(nodes[i])) { - return i; - } - } - return -1; + function visitReturnStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + convertedLoopState.nonLocalJumps |= 8; + return ts.createReturn(ts.createObjectLiteral([ + ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression + ? ts.visitNode(node.expression, visitor, ts.isExpression) + : ts.createVoidZero()) + ])); } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function visitThisKeyword(node) { + ts.Debug.assert(convertedLoopState !== undefined); + if (enclosingFunction && enclosingFunction.kind === 181) { + convertedLoopState.containsLexicalThis = true; + return node; } - return node; + return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); } - function substituteExpression(node) { - if (ts.isIdentifier(node)) { - return substituteExpressionIdentifier(node); + function visitIdentifier(node) { + if (!convertedLoopState) { + return node; } - return node; + if (ts.isGeneratedIdentifier(node)) { + return node; + } + if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { + return node; + } + return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); } - function substituteExpressionIdentifier(node) { - if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { - var original = ts.getOriginalNode(node); - if (ts.isIdentifier(original) && original.parent) { - var declaration = resolver.getReferencedValueDeclaration(original); - if (declaration) { - var name_34 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); - if (name_34) { - var clone_8 = ts.getMutableClone(name_34); - ts.setSourceMapRange(clone_8, node); - ts.setCommentRange(clone_8, node); - return clone_8; + function visitBreakOrContinueStatement(node) { + if (convertedLoopState) { + var jump = node.kind === 211 ? 2 : 4; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + var labelMarker = void 0; + if (!node.label) { + if (node.kind === 211) { + convertedLoopState.nonLocalJumps |= 2; + labelMarker = "break"; + } + else { + convertedLoopState.nonLocalJumps |= 4; + labelMarker = "continue"; + } + } + else { + if (node.kind === 211) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); + } + } + var returnExpression = ts.createLiteral(labelMarker); + if (convertedLoopState.loopOutParameters.length) { + var outParams = convertedLoopState.loopOutParameters; + var expr = void 0; + for (var i = 0; i < outParams.length; i++) { + var copyExpr = copyOutParameter(outParams[i], 1); + if (i === 0) { + expr = copyExpr; + } + else { + expr = ts.createBinary(expr, 25, copyExpr); + } } + returnExpression = ts.createBinary(expr, 25, returnExpression); } + return ts.createReturn(returnExpression); } } - return node; + return ts.visitEachChild(node, visitor, context); } - function cacheExpression(node) { - var temp; - if (ts.isGeneratedIdentifier(node)) { - return node; + function visitClassDeclaration(node) { + var modifierFlags = ts.getModifierFlags(node); + var isExported = modifierFlags & 1; + var isDefault = modifierFlags & 512; + var modifiers = isExported && !isDefault + ? ts.filter(node.modifiers, isExportModifier) + : undefined; + var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(getDeclarationName(node, true), undefined, transformClassLikeDeclarationToExpression(node)) + ]), node); + ts.setOriginalNode(statement, node); + ts.startOnNewLine(statement); + if (isExported && isDefault) { + var statements = [statement]; + statements.push(ts.createExportAssignment(undefined, undefined, false, getDeclarationName(node, false))); + return statements; } - temp = ts.createTempVariable(hoistVariableDeclaration); - emitAssignment(temp, node, node); - return temp; - } - function declareLocal(name) { - var temp = name - ? ts.createUniqueName(name) - : ts.createTempVariable(undefined); - hoistVariableDeclaration(temp); - return temp; + return statement; } - function defineLabel() { - if (!labelOffsets) { - labelOffsets = []; - } - var label = nextLabelId; - nextLabelId++; - labelOffsets[label] = -1; - return label; + function isExportModifier(node) { + return node.kind === 83; } - function markLabel(label) { - ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); - labelOffsets[label] = operations ? operations.length : 0; + function visitClassExpression(node) { + return transformClassLikeDeclarationToExpression(node); } - function beginBlock(block) { - if (!blocks) { - blocks = []; - blockActions = []; - blockOffsets = []; - blockStack = []; + function transformClassLikeDeclarationToExpression(node) { + if (node.name) { + enableSubstitutionsForBlockScopedBindings(); } - var index = blockActions.length; - blockActions[index] = 0; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.push(block); - return index; + var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); + var classFunction = ts.createFunctionExpression(undefined, undefined, undefined, undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], undefined, transformClassBody(node, extendsClauseElement)); + if (ts.getEmitFlags(node) & 524288) { + ts.setEmitFlags(classFunction, 524288); + } + var inner = ts.createPartiallyEmittedExpression(classFunction); + inner.end = node.end; + ts.setEmitFlags(inner, 49152); + var outer = ts.createPartiallyEmittedExpression(inner); + outer.end = ts.skipTrivia(currentText, node.pos); + ts.setEmitFlags(outer, 49152); + return ts.createParen(ts.createCall(outer, undefined, extendsClauseElement + ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] + : [])); } - function endBlock() { - var block = peekBlock(); - ts.Debug.assert(block !== undefined, "beginBlock was never called."); - var index = blockActions.length; - blockActions[index] = 1; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.pop(); + function transformClassBody(node, extendsClauseElement) { + var statements = []; + startLexicalEnvironment(); + addExtendsHelperIfNeeded(statements, node, extendsClauseElement); + addConstructor(statements, node, extendsClauseElement); + addClassMembers(statements, node); + var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17); + var localName = getLocalName(node); + var outer = ts.createPartiallyEmittedExpression(localName); + outer.end = closingBraceLocation.end; + ts.setEmitFlags(outer, 49152); + var statement = ts.createReturn(outer); + statement.pos = closingBraceLocation.pos; + ts.setEmitFlags(statement, 49152 | 12288); + statements.push(statement); + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, node.members), undefined, true); + ts.setEmitFlags(block, 49152); return block; } - function peekBlock() { - return ts.lastOrUndefined(blockStack); - } - function peekBlockKind() { - var block = peekBlock(); - return block && block.kind; - } - function beginWithBlock(expression) { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 1, - expression: expression, - startLabel: startLabel, - endLabel: endLabel - }); - } - function endWithBlock() { - ts.Debug.assert(peekBlockKind() === 1); - var block = endBlock(); - markLabel(block.endLabel); - } - function isWithBlock(block) { - return block.kind === 1; - } - function beginExceptionBlock() { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 0, - state: 0, - startLabel: startLabel, - endLabel: endLabel - }); - emitNop(); - return endLabel; - } - function beginCatchBlock(variable) { - ts.Debug.assert(peekBlockKind() === 0); - var text = variable.name.text; - var name = declareLocal(text); - if (!renamedCatchVariables) { - renamedCatchVariables = ts.createMap(); - renamedCatchVariableDeclarations = ts.createMap(); - context.enableSubstitution(70); + function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { + if (extendsClauseElement) { + statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), extendsClauseElement)); } - renamedCatchVariables[text] = true; - renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; - var exception = peekBlock(); - ts.Debug.assert(exception.state < 1); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var catchLabel = defineLabel(); - markLabel(catchLabel); - exception.state = 1; - exception.catchVariable = name; - exception.catchLabel = catchLabel; - emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [])); - emitNop(); - } - function beginFinallyBlock() { - ts.Debug.assert(peekBlockKind() === 0); - var exception = peekBlock(); - ts.Debug.assert(exception.state < 2); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var finallyLabel = defineLabel(); - markLabel(finallyLabel); - exception.state = 2; - exception.finallyLabel = finallyLabel; } - function endExceptionBlock() { - ts.Debug.assert(peekBlockKind() === 0); - var exception = endBlock(); - var state = exception.state; - if (state < 2) { - emitBreak(exception.endLabel); - } - else { - emitEndfinally(); + function addConstructor(statements, node, extendsClauseElement) { + var constructor = ts.getFirstConstructorWithBody(node); + var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); + var constructorFunction = ts.createFunctionDeclaration(undefined, undefined, undefined, getDeclarationName(node), undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), constructor || node); + if (extendsClauseElement) { + ts.setEmitFlags(constructorFunction, 256); } - markLabel(exception.endLabel); - emitNop(); - exception.state = 3; - } - function isExceptionBlock(block) { - return block.kind === 0; - } - function beginScriptLoopBlock() { - beginBlock({ - kind: 3, - isScript: true, - breakLabel: -1, - continueLabel: -1 - }); - } - function beginLoopBlock(continueLabel) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 3, - isScript: false, - breakLabel: breakLabel, - continueLabel: continueLabel - }); - return breakLabel; + statements.push(constructorFunction); } - function endLoopBlock() { - ts.Debug.assert(peekBlockKind() === 3); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function transformConstructorParameters(constructor, hasSynthesizedSuper) { + if (constructor && !hasSynthesizedSuper) { + return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); } + return []; } - function beginScriptSwitchBlock() { - beginBlock({ - kind: 2, - isScript: true, - breakLabel: -1 - }); - } - function beginSwitchBlock() { - var breakLabel = defineLabel(); - beginBlock({ - kind: 2, - isScript: false, - breakLabel: breakLabel - }); - return breakLabel; - } - function endSwitchBlock() { - ts.Debug.assert(peekBlockKind() === 2); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { + var statements = []; + startLexicalEnvironment(); + var statementOffset = -1; + if (hasSynthesizedSuper) { + statementOffset = 1; } - } - function beginScriptLabeledBlock(labelText) { - beginBlock({ - kind: 4, - isScript: true, - labelText: labelText, - breakLabel: -1 - }); - } - function beginLabeledBlock(labelText) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 4, - isScript: false, - labelText: labelText, - breakLabel: breakLabel - }); - } - function endLabeledBlock() { - ts.Debug.assert(peekBlockKind() === 4); - var block = endBlock(); - if (!block.isScript) { - markLabel(block.breakLabel); + else if (constructor) { + statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, false, visitor); } - } - function supportsUnlabeledBreak(block) { - return block.kind === 2 - || block.kind === 3; - } - function supportsLabeledBreakOrContinue(block) { - return block.kind === 4; - } - function supportsUnlabeledContinue(block) { - return block.kind === 3; - } - function hasImmediateContainingLabeledBlock(labelText, start) { - for (var j = start; j >= 0; j--) { - var containingBlock = blockStack[j]; - if (supportsLabeledBreakOrContinue(containingBlock)) { - if (containingBlock.labelText === labelText) { - return true; - } - } - else { - break; - } + if (constructor) { + addDefaultValueAssignmentsIfNeeded(statements, constructor); + addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); + ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); } - return false; - } - function findBreakTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { - return block.breakLabel; - } - else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.breakLabel; - } - } + var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); + if (superCaptureStatus === 1 || superCaptureStatus === 2) { + statementOffset++; } - else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledBreak(block)) { - return block.breakLabel; - } - } + if (constructor) { + var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); + ts.addRange(statements, body); } - return 0; + if (extendsClauseElement + && superCaptureStatus !== 2 + && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { + statements.push(ts.createReturn(ts.createIdentifier("_this"))); + } + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, constructor ? constructor.body.statements : node.members), constructor ? constructor.body : node, true); + if (!constructor) { + ts.setEmitFlags(block, 49152); + } + return block; } - function findContinueTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.continueLabel; - } + function isSufficientlyCoveredByReturnStatements(statement) { + if (statement.kind === 212) { + return true; + } + else if (statement.kind === 204) { + var ifStatement = statement; + if (ifStatement.elseStatement) { + return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && + isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); } } - else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block)) { - return block.continueLabel; - } + else if (statement.kind === 200) { + var lastStatement = ts.lastOrUndefined(statement.statements); + if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { + return true; } } - return 0; + return false; } - function createLabel(label) { - if (label > 0) { - if (labelExpressions === undefined) { - labelExpressions = []; - } - var expression = ts.createSynthesizedNode(8); - if (labelExpressions[label] === undefined) { - labelExpressions[label] = [expression]; - } - else { - labelExpressions[label].push(expression); + function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { + if (!hasExtendsClause) { + if (ctor) { + addCaptureThisForNodeIfNeeded(statements, ctor); } - return expression; + return 0; } - return ts.createNode(194); - } - function createInstruction(instruction) { - var literal = ts.createLiteral(instruction); - literal.trailingComment = instructionNames[instruction]; - return literal; - } - function createInlineBreak(label, location) { - ts.Debug.assert(label > 0, "Invalid label: " + label); - return ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), location); - } - function createInlineReturn(expression, location) { - return ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2), expression] - : [createInstruction(2)]), location); - } - function createGeneratorResume(location) { - return ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [], location); - } - function emitNop() { - emitWorker(0); - } - function emitStatement(node) { - if (node) { - emitWorker(1, [node]); + if (!ctor) { + statements.push(ts.createReturn(createDefaultSuperCallOrThis())); + return 2; } - else { - emitNop(); + if (hasSynthesizedSuper) { + captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); + enableSubstitutionsForCapturedThis(); + return 1; } - } - function emitAssignment(left, right, location) { - emitWorker(2, [left, right], location); - } - function emitBreak(label, location) { - emitWorker(3, [label], location); - } - function emitBreakWhenTrue(label, condition, location) { - emitWorker(4, [label, condition], location); - } - function emitBreakWhenFalse(label, condition, location) { - emitWorker(5, [label, condition], location); - } - function emitYieldStar(expression, location) { - emitWorker(7, [expression], location); - } - function emitYield(expression, location) { - emitWorker(6, [expression], location); - } - function emitReturn(expression, location) { - emitWorker(8, [expression], location); - } - function emitThrow(expression, location) { - emitWorker(9, [expression], location); - } - function emitEndfinally() { - emitWorker(10); - } - function emitWorker(code, args, location) { - if (operations === undefined) { - operations = []; - operationArguments = []; - operationLocations = []; + var firstStatement; + var superCallExpression; + var ctorStatements = ctor.body.statements; + if (statementOffset < ctorStatements.length) { + firstStatement = ctorStatements[statementOffset]; + if (firstStatement.kind === 203 && ts.isSuperCall(firstStatement.expression)) { + var superCall = firstStatement.expression; + superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + } } - if (labelOffsets === undefined) { - markLabel(defineLabel()); + if (superCallExpression && statementOffset === ctorStatements.length - 1) { + statements.push(ts.createReturn(superCallExpression)); + return 2; } - var operationIndex = operations.length; - operations[operationIndex] = code; - operationArguments[operationIndex] = args; - operationLocations[operationIndex] = location; + captureThisForNode(statements, ctor, superCallExpression, firstStatement); + if (superCallExpression) { + return 1; + } + return 0; } - function build() { - blockIndex = 0; - labelNumber = 0; - labelNumbers = undefined; - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - clauses = undefined; - statements = undefined; - exceptionBlockStack = undefined; - currentExceptionBlock = undefined; - withBlockStack = undefined; - var buildResult = buildStatements(); - return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), undefined, [ - ts.createThis(), - ts.setEmitFlags(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(state)], undefined, ts.createBlock(buildResult, undefined, buildResult.length > 0)), 4194304) - ]); + function createDefaultSuperCallOrThis() { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128); + var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); + return ts.createLogicalOr(superCall, actualThis); } - function buildStatements() { - if (operations) { - for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { - writeOperation(operationIndex); - } - flushFinalLabel(operations.length); + function visitParameter(node) { + if (node.dotDotDotToken) { + return undefined; } - else { - flushFinalLabel(0); + else if (ts.isBindingPattern(node.name)) { + return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), undefined, node), node); } - if (clauses) { - var labelExpression = ts.createPropertyAccess(state, "label"); - var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); - switchStatement.startsOnNewLine = true; - return [switchStatement]; + else if (node.initializer) { + return ts.setOriginalNode(ts.createParameter(node.name, undefined, node), node); } - if (statements) { - return statements; + else { + return node; } - return []; } - function flushLabel() { - if (!statements) { + function shouldAddDefaultValueAssignments(node) { + return (node.transformFlags & 262144) !== 0; + } + function addDefaultValueAssignmentsIfNeeded(statements, node) { + if (!shouldAddDefaultValueAssignments(node)) { return; } - appendLabel(!lastOperationWasAbrupt); - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - labelNumber++; + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + var name_35 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; + if (dotDotDotToken) { + continue; + } + if (ts.isBindingPattern(name_35)) { + addDefaultValueAssignmentForBindingPattern(statements, parameter, name_35, initializer); + } + else if (initializer) { + addDefaultValueAssignmentForInitializer(statements, parameter, name_35, initializer); + } + } } - function flushFinalLabel(operationIndex) { - if (isFinalLabelReachable(operationIndex)) { - tryEnterLabel(operationIndex); - withBlockStack = undefined; - writeReturn(undefined, undefined); + function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { + var temp = ts.getGeneratedNameForNode(parameter); + if (name.elements.length > 0) { + statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608)); } - if (statements && clauses) { - appendLabel(false); + else if (initializer) { + statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608)); } - updateLabelExpressions(); } - function isFinalLabelReachable(operationIndex) { - if (!lastOperationWasCompletion) { - return true; + function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { + initializer = ts.visitNode(initializer, visitor, ts.isExpression); + var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ + ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536), ts.setEmitFlags(initializer, 1536 | ts.getEmitFlags(initializer)), parameter)) + ], parameter), 32 | 1024 | 12288), undefined, parameter); + statement.startsOnNewLine = true; + ts.setEmitFlags(statement, 12288 | 1024 | 8388608); + statements.push(statement); + } + function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { + return node && node.dotDotDotToken && node.name.kind === 70 && !inConstructorWithSynthesizedSuper; + } + function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { + var parameter = ts.lastOrUndefined(node.parameters); + if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { + return; } - if (!labelOffsets || !labelExpressions) { - return false; + var declarationName = ts.getMutableClone(parameter.name); + ts.setEmitFlags(declarationName, 1536); + var expressionName = ts.getSynthesizedClone(parameter.name); + var restIndex = node.parameters.length - 1; + var temp = ts.createLoopVariable(); + statements.push(ts.setEmitFlags(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(declarationName, undefined, ts.createArrayLiteral([])) + ]), parameter), 8388608)); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(temp, undefined, ts.createLiteral(restIndex)) + ], parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), parameter), ts.createPostfixIncrement(temp, parameter), ts.createBlock([ + ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), parameter)) + ])); + ts.setEmitFlags(forStatement, 8388608); + ts.startOnNewLine(forStatement); + statements.push(forStatement); + } + function addCaptureThisForNodeIfNeeded(statements, node) { + if (node.transformFlags & 65536 && node.kind !== 181) { + captureThisForNode(statements, node, ts.createThis()); } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex && labelExpressions[label]) { - return true; + } + function captureThisForNode(statements, node, initializer, originalStatement) { + enableSubstitutionsForCapturedThis(); + var captureThisStatement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("_this", undefined, initializer) + ]), originalStatement); + ts.setEmitFlags(captureThisStatement, 49152 | 8388608); + ts.setSourceMapRange(captureThisStatement, node); + statements.push(captureThisStatement); + } + function addClassMembers(statements, node) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + switch (member.kind) { + case 199: + statements.push(transformSemicolonClassElementToStatement(member)); + break; + case 148: + statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); + break; + case 150: + case 151: + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); + } + break; + case 149: + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } } - return false; } - function appendLabel(markLabelEnd) { - if (!clauses) { - clauses = []; + function transformSemicolonClassElementToStatement(member) { + return ts.createEmptyStatement(member); + } + function transformClassMethodDeclarationToStatement(receiver, member) { + var commentRange = ts.getCommentRange(member); + var sourceMapRange = ts.getSourceMapRange(member); + var func = transformFunctionLikeToExpression(member, member, undefined); + ts.setEmitFlags(func, 49152); + ts.setSourceMapRange(func, sourceMapRange); + var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), member.name), func), member); + ts.setOriginalNode(statement, member); + ts.setCommentRange(statement, commentRange); + ts.setEmitFlags(statement, 1536); + return statement; + } + function transformAccessorsToStatement(receiver, accessors) { + var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, false), ts.getSourceMapRange(accessors.firstAccessor)); + ts.setEmitFlags(statement, 49152); + return statement; + } + function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { + var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + var target = ts.getMutableClone(receiver); + ts.setEmitFlags(target, 49152 | 1024); + ts.setSourceMapRange(target, firstAccessor.name); + var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); + ts.setEmitFlags(propertyName, 49152 | 512); + ts.setSourceMapRange(propertyName, firstAccessor.name); + var properties = []; + if (getAccessor) { + var getterFunction = transformFunctionLikeToExpression(getAccessor, undefined, undefined); + ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); + ts.setEmitFlags(getterFunction, 16384); + var getter = ts.createPropertyAssignment("get", getterFunction); + ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); + properties.push(getter); } - if (statements) { - if (withBlockStack) { - for (var i = withBlockStack.length - 1; i >= 0; i--) { - var withBlock = withBlockStack[i]; - statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; - } - } - if (currentExceptionBlock) { - var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; - statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), undefined, [ - ts.createArrayLiteral([ - createLabel(startLabel), - createLabel(catchLabel), - createLabel(finallyLabel), - createLabel(endLabel) - ]) - ]))); - currentExceptionBlock = undefined; - } - if (markLabelEnd) { - statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); - } + if (setAccessor) { + var setterFunction = transformFunctionLikeToExpression(setAccessor, undefined, undefined); + ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); + ts.setEmitFlags(setterFunction, 16384); + var setter = ts.createPropertyAssignment("set", setterFunction); + ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); + properties.push(setter); } - clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); - statements = undefined; + properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); + var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ + target, + propertyName, + ts.createObjectLiteral(properties, undefined, true) + ]); + if (startsOnNewLine) { + call.startsOnNewLine = true; + } + return call; } - function tryEnterLabel(operationIndex) { - if (!labelOffsets) { - return; + function visitArrowFunction(node) { + if (node.transformFlags & 32768) { + enableSubstitutionsForCapturedThis(); } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex) { - flushLabel(); - if (labelNumbers === undefined) { - labelNumbers = []; - } - if (labelNumbers[labelNumber] === undefined) { - labelNumbers[labelNumber] = [label]; - } - else { - labelNumbers[labelNumber].push(label); - } - } + var func = transformFunctionLikeToExpression(node, node, undefined); + ts.setEmitFlags(func, 256); + return func; + } + function visitFunctionExpression(node) { + return transformFunctionLikeToExpression(node, node, node.name); + } + function visitFunctionDeclaration(node) { + return ts.setOriginalNode(ts.createFunctionDeclaration(undefined, node.modifiers, node.asteriskToken, node.name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, transformFunctionBody(node), node), node); + } + function transformFunctionLikeToExpression(node, location, name) { + var savedContainingNonArrowFunction = enclosingNonArrowFunction; + if (node.kind !== 181) { + enclosingNonArrowFunction = node; } + var expression = ts.setOriginalNode(ts.createFunctionExpression(undefined, node.asteriskToken, name, undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), undefined, saveStateAndInvoke(node, transformFunctionBody), location), node); + enclosingNonArrowFunction = savedContainingNonArrowFunction; + return expression; } - function updateLabelExpressions() { - if (labelExpressions !== undefined && labelNumbers !== undefined) { - for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { - var labels = labelNumbers[labelNumber_1]; - if (labels !== undefined) { - for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { - var label = labels_1[_i]; - var expressions = labelExpressions[label]; - if (expressions !== undefined) { - for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { - var expression = expressions_1[_a]; - expression.text = String(labelNumber_1); - } - } - } - } + function transformFunctionBody(node) { + var multiLine = false; + var singleLine = false; + var statementsLocation; + var closeBraceLocation; + var statements = []; + var body = node.body; + var statementOffset; + startLexicalEnvironment(); + if (ts.isBlock(body)) { + statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); + } + addCaptureThisForNodeIfNeeded(statements, node); + addDefaultValueAssignmentsIfNeeded(statements, node); + addRestParameterIfNeeded(statements, node, false); + if (!multiLine && statements.length > 0) { + multiLine = true; + } + if (ts.isBlock(body)) { + statementsLocation = body.statements; + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); + if (!multiLine && body.multiLine) { + multiLine = true; } } - } - function tryEnterOrLeaveBlock(operationIndex) { - if (blocks) { - for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { - var block = blocks[blockIndex]; - var blockAction = blockActions[blockIndex]; - if (isExceptionBlock(block)) { - if (blockAction === 0) { - if (!exceptionBlockStack) { - exceptionBlockStack = []; - } - if (!statements) { - statements = []; - } - exceptionBlockStack.push(currentExceptionBlock); - currentExceptionBlock = block; - } - else if (blockAction === 1) { - currentExceptionBlock = exceptionBlockStack.pop(); - } + else { + ts.Debug.assert(node.kind === 181); + statementsLocation = ts.moveRangeEnd(body, -1); + var equalsGreaterThanToken = node.equalsGreaterThanToken; + if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { + if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { + singleLine = true; } - else if (isWithBlock(block)) { - if (blockAction === 0) { - if (!withBlockStack) { - withBlockStack = []; - } - withBlockStack.push(block); - } - else if (blockAction === 1) { - withBlockStack.pop(); - } + else { + multiLine = true; } } + var expression = ts.visitNode(body, visitor, ts.isExpression); + var returnStatement = ts.createReturn(expression, body); + ts.setEmitFlags(returnStatement, 12288 | 1024 | 32768); + statements.push(returnStatement); + closeBraceLocation = body; } - } - function writeOperation(operationIndex) { - tryEnterLabel(operationIndex); - tryEnterOrLeaveBlock(operationIndex); - if (lastOperationWasAbrupt) { - return; + var lexicalEnvironment = endLexicalEnvironment(); + ts.addRange(statements, lexicalEnvironment); + if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { + multiLine = true; } - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - var opcode = operations[operationIndex]; - if (opcode === 0) { - return; + var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); + if (!multiLine && singleLine) { + ts.setEmitFlags(block, 32); } - else if (opcode === 10) { - return writeEndfinally(); + if (closeBraceLocation) { + ts.setTokenSourceMapRange(block, 17, closeBraceLocation); } - var args = operationArguments[operationIndex]; - if (opcode === 1) { - return writeStatement(args[0]); + ts.setOriginalNode(block, node.body); + return block; + } + function visitExpressionStatement(node) { + switch (node.expression.kind) { + case 179: + return ts.updateStatement(node, visitParenthesizedExpression(node.expression, false)); + case 188: + return ts.updateStatement(node, visitBinaryExpression(node.expression, false)); } - var location = operationLocations[operationIndex]; - switch (opcode) { - case 2: - return writeAssign(args[0], args[1], location); - case 3: - return writeBreak(args[0], location); - case 4: - return writeBreakWhenTrue(args[0], args[1], location); - case 5: - return writeBreakWhenFalse(args[0], args[1], location); - case 6: - return writeYield(args[0], location); - case 7: - return writeYieldStar(args[0], location); - case 8: - return writeReturn(args[0], location); - case 9: - return writeThrow(args[0], location); + return ts.visitEachChild(node, visitor, context); + } + function visitParenthesizedExpression(node, needsDestructuringValue) { + if (needsDestructuringValue) { + switch (node.expression.kind) { + case 179: + return ts.createParen(visitParenthesizedExpression(node.expression, true), node); + case 188: + return ts.createParen(visitBinaryExpression(node.expression, true), node); + } } + return ts.visitEachChild(node, visitor, context); } - function writeStatement(statement) { - if (statement) { - if (!statements) { - statements = [statement]; + function visitBinaryExpression(node, needsDestructuringValue) { + ts.Debug.assert(ts.isDestructuringAssignment(node)); + return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); + } + function visitVariableStatement(node) { + if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3) == 0) { + var assignments = void 0; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); + if (decl.initializer) { + var assignment = void 0; + if (ts.isBindingPattern(decl.name)) { + assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, undefined, visitor); + } + else { + assignment = ts.createBinary(decl.name, 57, ts.visitNode(decl.initializer, visitor, ts.isExpression)); + } + (assignments || (assignments = [])).push(assignment); + } + } + if (assignments) { + return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25, acc); }), node); } else { - statements.push(statement); + return undefined; } } + return ts.visitEachChild(node, visitor, context); } - function writeAssign(left, right, operationLocation) { - writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); - } - function writeThrow(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createThrow(expression, operationLocation)); - } - function writeReturn(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2), expression] - : [createInstruction(2)]), operationLocation)); - } - function writeBreak(label, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation)); - } - function writeBreakWhenTrue(label, condition, operationLocation) { - writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation))); - } - function writeBreakWhenFalse(label, condition, operationLocation) { - writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ - createInstruction(3), - createLabel(label) - ]), operationLocation))); - } - function writeYield(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(4), expression] - : [createInstruction(4)]), operationLocation)); - } - function writeYieldStar(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(5), - expression - ]), operationLocation)); - } - function writeEndfinally() { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(7) - ]))); - } - } - ts.transformGenerators = transformGenerators; - var _a; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES5(context) { - var previousOnSubstituteNode = context.onSubstituteNode; - context.onSubstituteNode = onSubstituteNode; - context.enableSubstitution(173); - context.enableSubstitution(253); - return transformSourceFile; - function transformSourceFile(node) { - return node; + function visitVariableDeclarationList(node) { + if (node.flags & 3) { + enableSubstitutionsForBlockScopedBindings(); + } + var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 + ? visitVariableDeclarationInLetDeclarationList + : visitVariableDeclaration)); + var declarationList = ts.createVariableDeclarationList(declarations, node); + ts.setOriginalNode(declarationList, node); + ts.setCommentRange(declarationList, node); + if (node.transformFlags & 8388608 + && (ts.isBindingPattern(node.declarations[0].name) + || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { + var firstDeclaration = ts.firstOrUndefined(declarations); + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + } + return declarationList; } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (ts.isPropertyAccessExpression(node)) { - return substitutePropertyAccessExpression(node); + function shouldEmitExplicitInitializerForLetDeclaration(node) { + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 131072; + var isDeclaredInLoop = flags & 262144; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) + || (isCapturedInFunction + && isDeclaredInLoop + && ts.isBlock(enclosingBlockScopeContainer) + && ts.isIterationStatement(enclosingBlockScopeContainerParent, false)); + var emitExplicitInitializer = !emittedAsTopLevel + && enclosingBlockScopeContainer.kind !== 208 + && enclosingBlockScopeContainer.kind !== 209 + && (!resolver.isDeclarationWithCollidingName(node) + || (isDeclaredInLoop + && !isCapturedInFunction + && !ts.isIterationStatement(enclosingBlockScopeContainer, false))); + return emitExplicitInitializer; + } + function visitVariableDeclarationInLetDeclarationList(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return visitVariableDeclaration(node); } - else if (ts.isPropertyAssignment(node)) { - return substitutePropertyAssignment(node); + if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { + var clone_5 = ts.getMutableClone(node); + clone_5.initializer = ts.createVoidZero(); + return clone_5; } - return node; + return ts.visitEachChild(node, visitor, context); } - function substitutePropertyAccessExpression(node) { - var literalName = trySubstituteReservedName(node.name); - if (literalName) { - return ts.createElementAccess(node.expression, literalName, node); + function visitVariableDeclaration(node) { + if (ts.isBindingPattern(node.name)) { + var recordTempVariablesInLine = !enclosingVariableStatement + || !ts.hasModifier(enclosingVariableStatement, 1); + return ts.flattenVariableDestructuring(node, undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); } - return node; + return ts.visitEachChild(node, visitor, context); } - function substitutePropertyAssignment(node) { - var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name); - if (literalName) { - return ts.updatePropertyAssignment(node, literalName, node.initializer); + function visitLabeledStatement(node) { + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = ts.createMap(); + } + convertedLoopState.labels[node.label.text] = node.label.text; } - return node; - } - function trySubstituteReservedName(name) { - var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(name.text) : undefined); - if (token >= 71 && token <= 106) { - return ts.createLiteral(name, name); + var result; + if (ts.isIterationStatement(node.statement, false) && shouldConvertIterationStatementBody(node.statement)) { + result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); } - return undefined; - } - } - ts.transformES5 = transformES5; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformModule(context) { - var transformModuleDelegates = ts.createMap((_a = {}, - _a[ts.ModuleKind.None] = transformCommonJSModule, - _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, - _a[ts.ModuleKind.AMD] = transformAMDModule, - _a[ts.ModuleKind.UMD] = transformUMDModule, - _a)); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70); - context.enableSubstitution(188); - context.enableSubstitution(186); - context.enableSubstitution(187); - context.enableSubstitution(254); - context.enableEmitNotification(256); - var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var bindingNameExportSpecifiersMap; - var bindingNameExportSpecifiersForFileMap = ts.createMap(); - var hasExportStarsToExportValues; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + else { + result = ts.visitEachChild(node, visitor, context); } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - currentSourceFile = node; - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; - var updated = transformModule_1(node); - ts.aggregateTransformFlags(updated); - currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - return updated; + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; } - return node; - var _a; + return result; } - function transformCommonJSModule(node) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, false); - var updated = updateSourceFile(node, statements); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(updated, 2 | ts.getEmitFlags(node)); - } - return updated; + function visitDoStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformAMDModule(node) { - var define = ts.createIdentifier("define"); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - return transformAsynchronousModule(node, define, moduleName, true); + function visitWhileStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformUMDModule(node) { - var define = ts.createIdentifier("define"); - ts.setEmitFlags(define, 16); - return transformAsynchronousModule(node, define, undefined, false); + function visitForStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { - var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(define, undefined, (moduleName ? [moduleName] : []).concat([ - ts.createArrayLiteral([ - ts.createLiteral("require"), - ts.createLiteral("exports") - ].concat(aliasedModuleNames, unaliasedModuleNames)), - ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ - ts.createParameter("require"), - ts.createParameter("exports") - ].concat(importAliasNames), undefined, transformAsynchronousModuleBody(node)) - ]))) - ]); + function visitForInStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } - function transformAsynchronousModuleBody(node) { - startLexicalEnvironment(); + function visitForOfStatement(node) { + return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + } + function convertForOfToFor(node, convertedLoopBodyStatements) { + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var initializer = node.initializer; var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, true); - var body = ts.createBlock(statements, undefined, true); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(body, 2); + var counter = ts.createLoopVariable(); + var rhsReference = expression.kind === 70 + ? ts.createUniqueName(expression.text) + : ts.createTempVariable(undefined); + if (ts.isVariableDeclarationList(initializer)) { + if (initializer.flags & 3) { + enableSubstitutionsForBlockScopedBindings(); + } + var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); + if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { + var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); + var declarationList = ts.createVariableDeclarationList(declarations, initializer); + ts.setOriginalNode(declarationList, initializer); + var firstDeclaration = declarations[0]; + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + statements.push(ts.createVariableStatement(undefined, declarationList)); + } + else { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(undefined), undefined, ts.createElementAccess(rhsReference, counter)) + ], ts.moveRangePos(initializer, -1)), ts.moveRangeEnd(initializer, -1))); + } } - return body; - } - function addExportEqualsIfNeeded(statements, emitAsReturn) { - if (exportEquals) { - if (emitAsReturn) { - var statement = ts.createReturn(exportEquals.expression, exportEquals); - ts.setEmitFlags(statement, 12288 | 49152); - statements.push(statement); + else { + var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); + if (ts.isDestructuringAssignment(assignment)) { + statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, false, hoistVariableDeclaration, visitor))); + } + else { + assignment.end = initializer.end; + statements.push(ts.createStatement(assignment, ts.moveRangeEnd(initializer, -1))); + } + } + var bodyLocation; + var statementsLocation; + if (convertedLoopBodyStatements) { + ts.addRange(statements, convertedLoopBodyStatements); + } + else { + var statement = ts.visitNode(node.statement, visitor, ts.isStatement); + if (ts.isBlock(statement)) { + ts.addRange(statements, statement.statements); + bodyLocation = statement; + statementsLocation = statement.statements; } else { - var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), exportEquals); - ts.setEmitFlags(statement, 49152); statements.push(statement); } } + ts.setEmitFlags(expression, 1536 | ts.getEmitFlags(expression)); + var body = ts.createBlock(ts.createNodeArray(statements, statementsLocation), bodyLocation); + ts.setEmitFlags(body, 1536 | 12288); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(counter, undefined, ts.createLiteral(0), ts.moveRangePos(node.expression, -1)), + ts.createVariableDeclaration(rhsReference, undefined, expression, node.expression) + ], node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), node.expression), ts.createPostfixIncrement(counter, node.expression), body, node); + ts.setEmitFlags(forStatement, 8192); + return forStatement; } - function visitor(node) { - switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 237: - return visitExportDeclaration(node); - case 236: - return visitExportAssignment(node); - case 201: - return visitVariableStatement(node); - case 221: - return visitFunctionDeclaration(node); - case 222: - return visitClassDeclaration(node); - case 203: - return visitExpressionStatement(node); - default: - return node; + function visitObjectLiteralExpression(node) { + var properties = node.properties; + var numProperties = properties.length; + var numInitialProperties = numProperties; + for (var i = 0; i < numProperties; i++) { + var property = properties[i]; + if (property.transformFlags & 16777216 + || property.name.kind === 141) { + numInitialProperties = i; + break; + } + } + ts.Debug.assert(numInitialProperties !== numProperties); + var temp = ts.createTempVariable(hoistVariableDeclaration); + var expressions = []; + var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, node.multiLine), 524288)); + if (node.multiLine) { + assignment.startsOnNewLine = true; } + expressions.push(assignment); + addObjectLiteralMembers(expressions, node, temp, numInitialProperties); + expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); } - function visitImportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + function shouldConvertIterationStatementBody(node) { + return (resolver.getNodeCheckFlags(node) & 65536) !== 0; + } + function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; } - var statements = []; - var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); - if (moduleKind !== ts.ModuleKind.AMD) { - if (!node.importClause) { - statements.push(ts.createStatement(createRequireCall(node), node)); + visit(node.name); + function visit(node) { + if (node.kind === 70) { + state.hoistedLocalVariables.push(node); } else { - var variables = []; - if (namespaceDeclaration && !ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, createRequireCall(node))); - } - else { - variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), undefined, createRequireCall(node))); - if (namespaceDeclaration && ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node))); + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + visit(element.name); } } - statements.push(ts.createVariableStatement(undefined, ts.createConstDeclarationList(variables), node)); } } - else if (namespaceDeclaration && ts.isDefaultImport(node)) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node), node) - ]))); - } - addExportImportAssignments(statements, node); - return ts.singleOrMany(statements); } - function visitImportEqualsDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + function convertIterationStatementBodyIfNecessary(node, convert) { + if (!shouldConvertIterationStatementBody(node)) { + var saveAllowedNonLabeledJumps = void 0; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 | 4; + } + var result = convert ? convert(node, undefined) : ts.visitEachChild(node, visitor, context); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + return result; } - ts.setEmitFlags(node.name, 128); - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - if (ts.hasModifier(node, 1)) { - statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), node)); + var functionName = ts.createUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 207: + case 208: + case 209: + var initializer = node.initializer; + if (initializer && initializer.kind === 220) { + loopInitializer = initializer; + } + break; + } + var loopParameters = []; + var loopOutParameters = []; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3)) { + for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); + } + } + var outerConvertedLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (outerConvertedLoopState) { + if (outerConvertedLoopState.argumentsName) { + convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; + } + if (outerConvertedLoopState.thisName) { + convertedLoopState.thisName = outerConvertedLoopState.thisName; + } + if (outerConvertedLoopState.hoistedLocalVariables) { + convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; + } + } + var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); + var currentState = convertedLoopState; + convertedLoopState = outerConvertedLoopState; + if (loopOutParameters.length) { + var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; + copyOutParameters(loopOutParameters, 1, statements_3); + loopBody = ts.createBlock(statements_3, undefined, true); + } + if (!ts.isBlock(loopBody)) { + loopBody = ts.createBlock([loopBody], undefined, true); + } + var isAsyncBlockContainingAwait = enclosingNonArrowFunction + && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152) !== 0 + && (node.statement.transformFlags & 16777216) !== 0; + var loopBodyFlags = 0; + if (currentState.containsLexicalThis) { + loopBodyFlags |= 256; + } + if (isAsyncBlockContainingAwait) { + loopBodyFlags |= 2097152; + } + var convertedLoopVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(functionName, undefined, ts.setEmitFlags(ts.createFunctionExpression(undefined, isAsyncBlockContainingAwait ? ts.createToken(38) : undefined, undefined, undefined, loopParameters, undefined, loopBody), loopBodyFlags)) + ])); + var statements = [convertedLoopVariable]; + var extraVariableDeclarations; + if (currentState.argumentsName) { + if (outerConvertedLoopState) { + outerConvertedLoopState.argumentsName = currentState.argumentsName; } else { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), undefined, createRequireCall(node)) - ], undefined, languageVersion >= 2 ? 2 : 0), node)); + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, undefined, ts.createIdentifier("arguments"))); } } - else { - if (ts.hasModifier(node, 1)) { - statements.push(ts.createStatement(createExportAssignment(node.name, node.name), node)); + if (currentState.thisName) { + if (outerConvertedLoopState) { + outerConvertedLoopState.thisName = currentState.thisName; + } + else { + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, undefined, ts.createIdentifier("this"))); } } - addExportImportAssignments(statements, node); - return statements; - } - function visitExportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + if (currentState.hoistedLocalVariables) { + if (outerConvertedLoopState) { + outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; + } + else { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { + var identifier = _c[_b]; + extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); + } + } } - var generatedName = ts.getGeneratedNameForNode(node); - if (node.exportClause) { - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(generatedName, undefined, createRequireCall(node)) - ]), node)); + if (loopOutParameters.length) { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; } - for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { - var specifier = _a[_i]; - var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); - statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), specifier)); + for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { + var outParam = loopOutParameters_1[_d]; + extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); } - return ts.singleOrMany(statements); } - else { - return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), undefined, [ - moduleKind !== ts.ModuleKind.AMD - ? createRequireCall(node) - : generatedName - ]), node); + if (extraVariableDeclarations) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); } - } - function visitExportAssignment(node) { - if (node.isExportEquals) { - return undefined; + var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); + var loop; + if (convert) { + loop = convert(node, convertedLoopBodyStatements); } - var statements = []; - addExportDefault(statements, node.expression, node); + else { + loop = ts.getMutableClone(node); + loop.statement = undefined; + loop = ts.visitEachChild(loop, visitor, context); + loop.statement = ts.createBlock(convertedLoopBodyStatements, undefined, true); + loop.transformFlags = 0; + ts.aggregateTransformFlags(loop); + } + statements.push(currentParent.kind === 215 + ? ts.createLabel(currentParent.label, loop) + : loop); return statements; } - function addExportDefault(statements, expression, location) { - tryAddExportDefaultCompat(statements); - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); - } - function tryAddExportDefaultCompat(statements) { - var original = ts.getOriginalNode(currentSourceFile); - ts.Debug.assert(original.kind === 256); - if (!original.symbol.exports["___esModule"]) { - if (languageVersion === 0) { - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); - } - else { - statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ - ts.createIdentifier("exports"), - ts.createLiteral("__esModule"), - ts.createObjectLiteral([ - ts.createPropertyAssignment("value", ts.createLiteral(true)) - ]) - ]))); - } + function copyOutParameter(outParam, copyDirection) { + var source = copyDirection === 0 ? outParam.outParamName : outParam.originalName; + var target = copyDirection === 0 ? outParam.originalName : outParam.outParamName; + return ts.createBinary(target, 57, source); + } + function copyOutParameters(outParams, copyDirection, statements) { + for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { + var outParam = outParams_1[_i]; + statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); } } - function addExportImportAssignments(statements, node) { - if (ts.isImportEqualsDeclaration(node)) { - addExportMemberAssignments(statements, node.name); + function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { + var outerConvertedLoopState = convertedLoopState; + var statements = []; + var isSimpleLoop = !(state.nonLocalJumps & ~4) && + !state.labeledNonLocalBreaks && + !state.labeledNonLocalContinues; + var call = ts.createCall(loopFunctionExpressionName, undefined, ts.map(parameters, function (p) { return p.name; })); + var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38), call) : call; + if (isSimpleLoop) { + statements.push(ts.createStatement(callResult)); + copyOutParameters(state.loopOutParameters, 0, statements); } else { - var names = ts.reduceEachChild(node, collectExportMembers, []); - for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { - var name_35 = names_1[_i]; - addExportMemberAssignments(statements, name_35); + var loopResultName = ts.createUniqueName("state"); + var stateVariable = ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, undefined, callResult)])); + statements.push(stateVariable); + copyOutParameters(state.loopOutParameters, 0, statements); + if (state.nonLocalJumps & 8) { + var returnStatement = void 0; + if (outerConvertedLoopState) { + outerConvertedLoopState.nonLocalJumps |= 8; + returnStatement = ts.createReturn(loopResultName); + } + else { + returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + } + statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33, ts.createLiteral("object")), returnStatement)); } - } - } - function collectExportMembers(names, node) { - if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { - var name_36 = node.name; - if (ts.isIdentifier(name_36)) { - names.push(name_36); + if (state.nonLocalJumps & 2) { + statements.push(ts.createIf(ts.createBinary(loopResultName, 33, ts.createLiteral("break")), ts.createBreak())); } - } - return ts.reduceEachChild(node, collectExportMembers, names); - } - function addExportMemberAssignments(statements, name) { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), specifier.name))); + if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { + var caseClauses = []; + processLabeledJumps(state.labeledNonLocalBreaks, true, loopResultName, outerConvertedLoopState, caseClauses); + processLabeledJumps(state.labeledNonLocalContinues, false, loopResultName, outerConvertedLoopState, caseClauses); + statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); } } + return statements; } - function addExportMemberAssignment(statements, node) { - if (ts.hasModifier(node, 512)) { - addExportDefault(statements, getDeclarationName(node), node); + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = ts.createMap(); + } + state.labeledNonLocalBreaks[labelText] = labelMarker; } else { - statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144), node)); + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = ts.createMap(); + } + state.labeledNonLocalContinues[labelText] = labelMarker; } } - function visitVariableStatement(node) { - var originalKind = ts.getOriginalNode(node).kind; - if (originalKind === 226 || - originalKind === 225 || - originalKind === 222) { - if (!ts.hasModifier(node, 1)) { - return node; - } - return ts.setOriginalNode(ts.createVariableStatement(undefined, node.declarationList), node); + function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { + if (!table) { + return; } - var resultStatements = []; - if (ts.hasModifier(node, 1)) { - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length > 0) { - var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); - resultStatements.push(inlineAssignments); + for (var labelText in table) { + var labelMarker = table[labelText]; + var statements = []; + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + var label = ts.createIdentifier(labelText); + statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); } + else { + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + statements.push(ts.createReturn(loopResultName)); + } + caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } - else { - resultStatements.push(node); - } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - addExportMemberAssignmentsForBindingName(resultStatements, decl.name); - } - return resultStatements; } - function addExportMemberAssignmentsForBindingName(resultStatements, name) { + function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { + var name = decl.name; if (ts.isBindingPattern(name)) { for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { var element = _a[_i]; if (!ts.isOmittedExpression(element)) { - addExportMemberAssignmentsForBindingName(resultStatements, element.name); + processLoopVariableDeclaration(element, loopParameters, loopOutParameters); } } } else { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - var sourceFileId = ts.getOriginalNodeId(currentSourceFile); - if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { - bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); - } - bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; - addExportMemberAssignments(resultStatements, name); + loopParameters.push(ts.createParameter(name)); + if (resolver.getNodeCheckFlags(decl) & 2097152) { + var outParamName = ts.createUniqueName("out_" + name.text); + loopOutParameters.push({ originalName: name, outParamName: outParamName }); } } } - function transformInitializedVariable(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); - } - else { - return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + function addObjectLiteralMembers(expressions, node, receiver, start) { + var properties = node.properties; + var numProperties = properties.length; + for (var i = start; i < numProperties; i++) { + var property = properties[i]; + switch (property.kind) { + case 150: + case 151: + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property === accessors.firstAccessor) { + expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); + } + break; + case 253: + expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 254: + expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 148: + expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; + } } } - function visitFunctionDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1)) { - var isAsync = ts.hasModifier(node, 256); - statements.push(ts.setOriginalNode(ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name, undefined, node.parameters, undefined, node.body, node), node)); - addExportMemberAssignment(statements, node); + function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - else { - statements.push(node); + return expression; + } + function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - if (node.name) { - addExportMemberAssignments(statements, node.name); + return expression; + } + function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, method, undefined), method); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return ts.singleOrMany(statements); + return expression; } - function visitClassDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1)) { - statements.push(ts.setOriginalNode(ts.createClassDeclaration(undefined, undefined, name, undefined, node.heritageClauses, node.members, node), node)); - addExportMemberAssignment(statements, node); + function visitCatchClause(node) { + ts.Debug.assert(ts.isBindingPattern(node.variableDeclaration.name)); + var temp = ts.createTempVariable(undefined); + var newVariableDeclaration = ts.createVariableDeclaration(temp, undefined, undefined, node.variableDeclaration); + var vars = ts.flattenVariableDestructuring(node.variableDeclaration, temp, visitor); + var list = ts.createVariableDeclarationList(vars, node.variableDeclaration, node.variableDeclaration.flags); + var destructure = ts.createVariableStatement(undefined, list); + return ts.updateCatchClause(node, newVariableDeclaration, addStatementToStartOfBlock(node.block, destructure)); + } + function addStatementToStartOfBlock(block, statement) { + var transformedStatements = ts.visitNodes(block.statements, visitor, ts.isStatement); + return ts.updateBlock(block, [statement].concat(transformedStatements)); + } + function visitMethodDeclaration(node) { + ts.Debug.assert(!ts.isComputedPropertyName(node.name)); + var functionExpression = transformFunctionLikeToExpression(node, ts.moveRangePos(node, -1), undefined); + ts.setEmitFlags(functionExpression, 16384 | ts.getEmitFlags(functionExpression)); + return ts.createPropertyAssignment(node.name, functionExpression, node); + } + function visitShorthandPropertyAssignment(node) { + return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), node); + } + function visitYieldExpression(node) { + return ts.visitEachChild(node, visitor, context); + } + function visitArrayLiteralExpression(node) { + return transformAndSpreadElements(node.elements, true, node.multiLine, node.elements.hasTrailingComma); + } + function visitCallExpression(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, true); + } + function visitImmediateSuperCallInBody(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, false); + } + function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + if (node.expression.kind === 96) { + ts.setEmitFlags(thisArg, 128); + } + var resultingCall; + if (node.transformFlags & 1048576) { + resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, false, false, false)); } else { - statements.push(node); + resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), node); } - if (node.name && !(node.decorators && node.decorators.length)) { - addExportMemberAssignments(statements, node.name); + if (node.expression.kind === 96) { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128); + var initializer = ts.createLogicalOr(resultingCall, actualThis); + return assignToCapturedThis + ? ts.createAssignment(ts.createIdentifier("_this"), initializer) + : initializer; } - return ts.singleOrMany(statements); + return resultingCall; } - function visitExpressionStatement(node) { - var original = ts.getOriginalNode(node); - var origKind = original.kind; - if (origKind === 225 || origKind === 226) { - return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); - } - else if (origKind === 222) { - var classDecl = original; - if (classDecl.name) { - var statements = [node]; - addExportMemberAssignments(statements, classDecl.name); - return statements; - } - } - return node; + function visitNewExpression(node) { + ts.Debug.assert((node.transformFlags & 1048576) !== 0); + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), false, false, false)), undefined, []); } - function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { - var statements = [node]; - if (ts.hasModifier(original, 1) && - original.kind === 225 && - ts.isFirstDeclarationOfKind(original, 225)) { - addVarForExportedEnumOrNamespaceDeclaration(statements, original); + function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { + var numElements = elements.length; + var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { + return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); + })); + if (segments.length === 1) { + var firstElement = elements[0]; + return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 + ? ts.createArraySlice(segments[0]) + : segments[0]; } - addExportMemberAssignments(statements, original.name); - return statements; + return ts.createArrayConcat(segments.shift(), segments); } - function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { - var transformedStatement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], node); - ts.setEmitFlags(transformedStatement, 49152); - statements.push(transformedStatement); + function partitionSpreadElement(node) { + return ts.isSpreadElementExpression(node) + ? visitSpanOfSpreadElements + : visitSpanOfNonSpreadElements; } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + function visitSpanOfSpreadElements(chunk) { + return ts.map(chunk, visitExpressionOfSpreadElement); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256) { - bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - bindingNameExportSpecifiersMap = undefined; + function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { + return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, undefined, hasTrailingComma), visitor, ts.isExpression), undefined, multiLine); + } + function visitExpressionOfSpreadElement(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); + } + function visitTemplateLiteral(node) { + return ts.createLiteral(node.text, node); + } + function visitTaggedTemplateExpression(node) { + var tag = ts.visitNode(node.tag, visitor, ts.isExpression); + var temp = ts.createTempVariable(hoistVariableDeclaration); + var templateArguments = [temp]; + var cookedStrings = []; + var rawStrings = []; + var template = node.template; + if (ts.isNoSubstitutionTemplateLiteral(template)) { + cookedStrings.push(ts.createLiteral(template.text)); + rawStrings.push(getRawLiteral(template)); } else { - previousOnEmitNode(emitContext, node, emitCallback); + cookedStrings.push(ts.createLiteral(template.head.text)); + rawStrings.push(getRawLiteral(template.head)); + for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { + var templateSpan = _a[_i]; + cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); + rawStrings.push(getRawLiteral(templateSpan.literal)); + templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); + } } + return ts.createParen(ts.inlineExpressions([ + ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), + ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), + ts.createCall(tag, undefined, templateArguments) + ])); } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function getRawLiteral(node) { + var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); + var isLast = node.kind === 12 || node.kind === 15; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + text = text.replace(/\r\n?/g, "\n"); + return ts.createLiteral(text, node); + } + function visitTemplateExpression(node) { + var expressions = []; + addTemplateHead(expressions, node); + addTemplateSpans(expressions, node); + var expression = ts.reduceLeft(expressions, ts.createAdd); + if (ts.nodeIsSynthesized(expression)) { + ts.setTextRange(expression, node); } - else if (ts.isShorthandPropertyAssignment(node)) { - return substituteShorthandPropertyAssignment(node); + return expression; + } + function shouldAddTemplateHead(node) { + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + } + function addTemplateHead(expressions, node) { + if (!shouldAddTemplateHead(node)) { + return; } - return node; + expressions.push(ts.createLiteral(node.head.text)); } - function substituteShorthandPropertyAssignment(node) { - var name = node.name; - var exportedOrImportedName = substituteExpressionIdentifier(name); - if (exportedOrImportedName !== name) { - if (node.objectAssignmentInitializer) { - var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); - return ts.createPropertyAssignment(name, initializer, node); + function addTemplateSpans(expressions, node) { + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span_6 = _a[_i]; + expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); + if (span_6.literal.text.length !== 0) { + expressions.push(ts.createLiteral(span_6.literal.text)); } - return ts.createPropertyAssignment(name, exportedOrImportedName, node); } - return node; } - function substituteExpression(node) { - switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 188: - return substituteBinaryExpression(node); - case 187: - case 186: - return substituteUnaryExpression(node); + function visitSuperKeyword() { + return enclosingNonAsyncFunctionBody + && ts.isClassElement(enclosingNonAsyncFunctionBody) + && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32) + && currentParent.kind !== 175 + ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") + : ts.createIdentifier("_super"); + } + function visitSourceFileNode(node) { + var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; + var statements = []; + startLexicalEnvironment(); + ts.addRange(statements, prologue); + addCaptureThisForNodeIfNeeded(statements, node); + ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); + ts.addRange(statements, endLexicalEnvironment()); + var clone = ts.getMutableClone(node); + clone.statements = ts.createNodeArray(statements, node.statements); + return clone; + } + function onEmitNode(emitContext, node, emitCallback) { + var savedEnclosingFunction = enclosingFunction; + if (enabledSubstitutions & 1 && ts.isFunctionLike(node)) { + enclosingFunction = node; } - return node; + previousOnEmitNode(emitContext, node, emitCallback); + enclosingFunction = savedEnclosingFunction; } - function substituteExpressionIdentifier(node) { - return trySubstituteExportedName(node) - || trySubstituteImportedName(node) - || node; + function enableSubstitutionsForBlockScopedBindings() { + if ((enabledSubstitutions & 2) === 0) { + enabledSubstitutions |= 2; + context.enableSubstitution(70); + } } - function substituteBinaryExpression(node) { - var left = node.left; - if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { - ts.setEmitFlags(node, 128); - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, node); - } - return nestedExportAssignment; - } + function enableSubstitutionsForCapturedThis() { + if ((enabledSubstitutions & 1) === 0) { + enabledSubstitutions |= 1; + context.enableSubstitution(98); + context.enableEmitNotification(149); + context.enableEmitNotification(148); + context.enableEmitNotification(150); + context.enableEmitNotification(151); + context.enableEmitNotification(181); + context.enableEmitNotification(180); + context.enableEmitNotification(221); } - return node; } - function substituteUnaryExpression(node) { - var operator = node.operator; - var operand = node.operand; - if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { - ts.setEmitFlags(node, 128); - var transformedUnaryExpression = void 0; - if (node.kind === 187) { - transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 ? 58 : 59), ts.createLiteral(1), node); - ts.setEmitFlags(transformedUnaryExpression, 128); - } - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, transformedUnaryExpression || node); - } - return nestedExportAssignment; - } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); + } + if (ts.isIdentifier(node)) { + return substituteIdentifier(node); } return node; } - function trySubstituteExportedName(node) { - var emitFlags = ts.getEmitFlags(node); - if ((emitFlags & 262144) === 0) { - var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072) !== 0); - if (container) { - if (container.kind === 256) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), node); - } + function substituteIdentifier(node) { + if (enabledSubstitutions & 2) { + var original = ts.getParseTreeNode(node, ts.isIdentifier); + if (original && isNameOfDeclarationWithCollidingName(original)) { + return ts.getGeneratedNameForNode(original); } } - return undefined; + return node; } - function trySubstituteImportedName(node) { - if ((ts.getEmitFlags(node) & 262144) === 0) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (ts.isImportClause(declaration)) { - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), node); - } - else if (ts.isImportSpecifier(declaration)) { - var name_37 = declaration.propertyName || declaration.name; - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_37), node); - } - } + function isNameOfDeclarationWithCollidingName(node) { + var parent = node.parent; + switch (parent.kind) { + case 170: + case 222: + case 225: + case 219: + return parent.name === node + && resolver.isDeclarationWithCollidingName(parent); } - return undefined; + return false; } - function getModuleMemberName(name) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), name, name); + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 98: + return substituteThisKeyword(node); + } + return node; } - function createRequireCall(importNode) { - var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var args = []; - if (ts.isDefined(moduleName)) { - args.push(moduleName); + function substituteExpressionIdentifier(node) { + if (enabledSubstitutions & 2) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + return ts.getGeneratedNameForNode(declaration.name); + } } - return ts.createCall(ts.createIdentifier("require"), undefined, args); + return node; } - function createExportStatement(name, value, location) { - var statement = ts.createStatement(createExportAssignment(name, value)); - statement.startsOnNewLine = true; - if (location) { - ts.setSourceMapRange(statement, location); + function substituteThisKeyword(node) { + if (enabledSubstitutions & 1 + && enclosingFunction + && ts.getEmitFlags(enclosingFunction) & 256) { + return ts.createIdentifier("_this", node); } - return statement; + return node; } - function createExportAssignment(name, value) { - return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); + function getLocalName(node, allowComments, allowSourceMaps) { + return getDeclarationName(node, allowComments, allowSourceMaps, 262144); } - function collectAsynchronousDependencies(node, includeNonAmdDependencies) { - var aliasedModuleNames = []; - var unaliasedModuleNames = []; - var importAliasNames = []; - for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { - var amdDependency = _a[_i]; - if (amdDependency.name) { - aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); - importAliasNames.push(ts.createParameter(amdDependency.name)); - } - else { - unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { + if (node.name && !ts.isGeneratedIdentifier(node.name)) { + var name_36 = ts.getMutableClone(node.name); + emitFlags |= ts.getEmitFlags(node.name); + if (!allowSourceMaps) { + emitFlags |= 1536; } - } - for (var _b = 0, externalImports_1 = externalImports; _b < externalImports_1.length; _b++) { - var importNode = externalImports_1[_b]; - var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); - if (includeNonAmdDependencies && importAliasName) { - ts.setEmitFlags(importAliasName, 128); - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(ts.createParameter(importAliasName)); + if (!allowComments) { + emitFlags |= 49152; } - else { - unaliasedModuleNames.push(externalModuleName); + if (emitFlags) { + ts.setEmitFlags(name_36, emitFlags); } + return name_36; } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + return ts.getGeneratedNameForNode(node); } - function updateSourceFile(node, statements) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - return updated; + function getClassMemberPrefix(node, member) { + var expression = getLocalName(node); + return ts.hasModifier(member, 32) ? expression : ts.createPropertyAccess(expression, "prototype"); + } + function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { + if (!constructor || !hasExtendsClause) { + return false; + } + var parameter = ts.singleOrUndefined(constructor.parameters); + if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { + return false; + } + var statement = ts.firstOrUndefined(constructor.body.statements); + if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203) { + return false; + } + var statementExpression = statement.expression; + if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175) { + return false; + } + var callTarget = statementExpression.expression; + if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96) { + return false; + } + var callArgument = ts.singleOrUndefined(statementExpression.arguments); + if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192) { + return false; + } + var expression = callArgument.expression; + return ts.isIdentifier(expression) && expression === parameter.name; } - var _a; } - ts.transformModule = transformModule; + ts.transformES2015 = transformES2015; })(ts || (ts = {})); var ts; (function (ts) { - function transformSystemModule(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; + var instructionNames = ts.createMap((_a = {}, + _a[2] = "return", + _a[3] = "break", + _a[4] = "yield", + _a[5] = "yield*", + _a[7] = "endfinally", + _a)); + function transformGenerators(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70); - context.enableSubstitution(188); - context.enableSubstitution(186); - context.enableSubstitution(187); - context.enableEmitNotification(256); - var exportFunctionForFileMap = []; var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var exportFunctionForFile; - var contextObjectForFile; - var exportedLocalNames; - var exportedFunctionDeclarations; - var enclosingBlockScopedContainer; - var currentParent; - var currentNode; + var renamedCatchVariables; + var renamedCatchVariableDeclarations; + var inGeneratorFunctionBody; + var inStatementContainingYield; + var blocks; + var blockOffsets; + var blockActions; + var blockStack; + var labelOffsets; + var labelExpressions; + var nextLabelId = 1; + var operations; + var operationArguments; + var operationLocations; + var state; + var blockIndex = 0; + var labelNumber = 0; + var labelNumbers; + var lastOperationWasAbrupt; + var lastOperationWasCompletion; + var clauses; + var statements; + var exceptionBlockStack; + var currentExceptionBlock; + var withBlockStack; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + if (node.transformFlags & 4096) { currentSourceFile = node; - currentNode = node; - var updated = transformSystemModuleWorker(node); - ts.aggregateTransformFlags(updated); + node = ts.visitEachChild(node, visitor, context); currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - exportedLocalNames = undefined; - exportedFunctionDeclarations = undefined; - return updated; } return node; } - function transformSystemModuleWorker(node) { - ts.Debug.assert(!exportFunctionForFile); - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - exportFunctionForFile = ts.createUniqueName("exports"); - contextObjectForFile = ts.createUniqueName("context"); - exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; - var dependencyGroups = collectDependencyGroups(externalImports); - var statements = []; - addSystemModuleBody(statements, node, dependencyGroups); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); - var body = ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ - ts.createParameter(exportFunctionForFile), - ts.createParameter(contextObjectForFile) - ], undefined, ts.setEmitFlags(ts.createBlock(statements, undefined, true), 1)); - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), undefined, moduleName - ? [moduleName, dependencies, body] - : [dependencies, body])) - ], ~1 & ts.getEmitFlags(node)); - var _a; - } - function addSystemModuleBody(statements, node, dependencyGroups) { - startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitSourceElement); - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("__moduleName", undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) - ]))); - var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); - ts.addRange(statements, endLexicalEnvironment()); - ts.addRange(statements, exportedFunctionDeclarations); - var exportStarFunction = addExportStarIfNeeded(statements); - statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ - ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), - ts.createPropertyAssignment("execute", ts.createFunctionExpression(undefined, undefined, undefined, undefined, [], undefined, ts.createBlock(executeStatements, undefined, true))) - ]), true))); - } - function addExportStarIfNeeded(statements) { - if (!hasExportStarsToExportValues) { - return; + function visitor(node) { + var transformFlags = node.transformFlags; + if (inStatementContainingYield) { + return visitJavaScriptInStatementContainingYield(node); } - if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { - var hasExportDeclarationWithExportClause = false; - for (var _i = 0, externalImports_2 = externalImports; _i < externalImports_2.length; _i++) { - var externalImport = externalImports_2[_i]; - if (externalImport.kind === 237 && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - return addExportStarFunction(statements, undefined); - } + else if (inGeneratorFunctionBody) { + return visitJavaScriptInGeneratorFunctionBody(node); } - var exportedNames = []; - if (exportedLocalNames) { - for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { - var exportedLocalName = exportedLocalNames_1[_a]; - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); - } + else if (transformFlags & 2048) { + return visitGenerator(node); } - for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { - var externalImport = externalImports_3[_b]; - if (externalImport.kind !== 237) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - continue; - } - for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { - var element = _d[_c]; - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); - } + else if (transformFlags & 4096) { + return ts.visitEachChild(node, visitor, context); } - var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); - statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exportedNamesStorageRef, undefined, ts.createObjectLiteral(exportedNames, undefined, true)) - ]))); - return addExportStarFunction(statements, exportedNamesStorageRef); - } - function generateSetters(exportStarFunction, dependencyGroups) { - var setters = []; - for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { - var group = dependencyGroups_1[_i]; - var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); - var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); - var statements = []; - for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { - var entry = _b[_a]; - var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); - switch (entry.kind) { - case 231: - if (!entry.importClause) { - break; - } - case 230: - ts.Debug.assert(importVariableName !== undefined); - statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); - break; - case 237: - ts.Debug.assert(importVariableName !== undefined); - if (entry.exportClause) { - var properties = []; - for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { - var e = _d[_c]; - properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); - } - statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [ts.createObjectLiteral(properties, undefined, true)]))); - } - else { - statements.push(ts.createStatement(ts.createCall(exportStarFunction, undefined, [parameterName]))); - } - break; - } - } - setters.push(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, ts.createBlock(statements, undefined, true))); + else { + return node; } - return ts.createArrayLiteral(setters, undefined, true); } - function visitSourceElement(node) { + function visitJavaScriptInStatementContainingYield(node) { switch (node.kind) { - case 231: - return visitImportDeclaration(node); - case 230: - return visitImportEqualsDeclaration(node); - case 237: - return visitExportDeclaration(node); - case 236: - return visitExportAssignment(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 214: + return visitSwitchStatement(node); + case 215: + return visitLabeledStatement(node); default: - return visitNestedNode(node); - } - } - function visitNestedNode(node) { - var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var currentGrandparent = currentParent; - currentParent = currentNode; - currentNode = node; - if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { - enclosingBlockScopedContainer = currentParent; + return visitJavaScriptInGeneratorFunctionBody(node); } - var result = visitNestedNodeWorker(node); - enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; - return result; } - function visitNestedNodeWorker(node) { + function visitJavaScriptInGeneratorFunctionBody(node) { switch (node.kind) { - case 201: - return visitVariableStatement(node); case 221: return visitFunctionDeclaration(node); - case 222: - return visitClassDeclaration(node); + case 180: + return visitFunctionExpression(node); + case 150: + case 151: + return visitAccessorDeclaration(node); + case 201: + return visitVariableStatement(node); case 207: return visitForStatement(node); case 208: return visitForInStatement(node); - case 209: - return visitForOfStatement(node); - case 205: - return visitDoStatement(node); - case 206: - return visitWhileStatement(node); - case 215: - return visitLabeledStatement(node); - case 213: - return visitWithStatement(node); - case 214: - return visitSwitchStatement(node); - case 228: - return visitCaseBlock(node); - case 249: - return visitCaseClause(node); - case 250: - return visitDefaultClause(node); - case 217: - return visitTryStatement(node); - case 252: - return visitCatchClause(node); - case 200: - return visitBlock(node); - case 203: - return visitExpressionStatement(node); + case 211: + return visitBreakStatement(node); + case 210: + return visitContinueStatement(node); + case 212: + return visitReturnStatement(node); default: - return node; + if (node.transformFlags & 16777216) { + return visitJavaScriptContainingYield(node); + } + else if (node.transformFlags & (4096 | 33554432)) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } } } - function visitImportDeclaration(node) { - if (node.importClause && ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function visitJavaScriptContainingYield(node) { + switch (node.kind) { + case 188: + return visitBinaryExpression(node); + case 189: + return visitConditionalExpression(node); + case 191: + return visitYieldExpression(node); + case 171: + return visitArrayLiteralExpression(node); + case 172: + return visitObjectLiteralExpression(node); + case 174: + return visitElementAccessExpression(node); + case 175: + return visitCallExpression(node); + case 176: + return visitNewExpression(node); + default: + return ts.visitEachChild(node, visitor, context); } - return undefined; } - function visitImportEqualsDeclaration(node) { - if (ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function visitGenerator(node) { + switch (node.kind) { + case 221: + return visitFunctionDeclaration(node); + case 180: + return visitFunctionExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } - return undefined; } - function visitExportDeclaration(node) { - if (!node.moduleSpecifier) { - var statements = []; - ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); - return statements; + function visitFunctionDeclaration(node) { + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + node = ts.setOriginalNode(ts.createFunctionDeclaration(undefined, undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); } - return undefined; - } - function visitExportSpecifier(specifier) { - recordExportName(specifier.name); - return createExportStatement(specifier.name, specifier.propertyName || specifier.name); - } - function visitExportAssignment(node) { - if (node.isExportEquals) { + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + if (inGeneratorFunctionBody) { + hoistFunctionDeclaration(node); return undefined; } - return createExportStatement(ts.createLiteral("default"), node.expression); + else { + return node; + } + } + function visitFunctionExpression(node) { + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152) { + node = ts.setOriginalNode(ts.createFunctionExpression(undefined, undefined, node.name, undefined, node.parameters, undefined, transformGeneratorFunctionBody(node.body), node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + return node; + } + function visitAccessorDeclaration(node) { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + return node; + } + function transformGeneratorFunctionBody(body) { + var statements = []; + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + var savedBlocks = blocks; + var savedBlockOffsets = blockOffsets; + var savedBlockActions = blockActions; + var savedBlockStack = blockStack; + var savedLabelOffsets = labelOffsets; + var savedLabelExpressions = labelExpressions; + var savedNextLabelId = nextLabelId; + var savedOperations = operations; + var savedOperationArguments = operationArguments; + var savedOperationLocations = operationLocations; + var savedState = state; + inGeneratorFunctionBody = true; + inStatementContainingYield = false; + blocks = undefined; + blockOffsets = undefined; + blockActions = undefined; + blockStack = undefined; + labelOffsets = undefined; + labelExpressions = undefined; + nextLabelId = 1; + operations = undefined; + operationArguments = undefined; + operationLocations = undefined; + state = ts.createTempVariable(undefined); + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, body.statements, false, visitor); + transformAndEmitStatements(body.statements, statementOffset); + var buildResult = build(); + ts.addRange(statements, endLexicalEnvironment()); + statements.push(ts.createReturn(buildResult)); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + blocks = savedBlocks; + blockOffsets = savedBlockOffsets; + blockActions = savedBlockActions; + blockStack = savedBlockStack; + labelOffsets = savedLabelOffsets; + labelExpressions = savedLabelExpressions; + nextLabelId = savedNextLabelId; + operations = savedOperations; + operationArguments = savedOperationArguments; + operationLocations = savedOperationLocations; + state = savedState; + return ts.createBlock(statements, body, body.multiLine); } function visitVariableStatement(node) { - var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3) == 0) || - enclosingBlockScopedContainer.kind === 256; - if (!shouldHoist) { - return node; + if (node.transformFlags & 16777216) { + transformAndEmitVariableDeclarationList(node.declarationList); + return undefined; } - var isExported = ts.hasModifier(node, 1); - var expressions = []; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, isExported); - if (visited) { - expressions.push(visited); + else { + if (ts.getEmitFlags(node) & 8388608) { + return node; } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; + } + return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); } - if (expressions.length) { - return ts.createStatement(ts.inlineExpressions(expressions), node); - } - return undefined; } - function transformVariable(node, isExported) { - hoistBindingElement(node, isExported); - if (!node.initializer) { - return; - } - var name = node.name; - if (ts.isIdentifier(name)) { - return ts.createAssignment(name, node.initializer); - } - else { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); + function visitBinaryExpression(node) { + switch (ts.getExpressionAssociativity(node)) { + case 0: + return visitLeftAssociativeBinaryExpression(node); + case 1: + return visitRightAssociativeBinaryExpression(node); + default: + ts.Debug.fail("Unknown associativity."); } } - function visitFunctionDeclaration(node) { - if (ts.hasModifier(node, 1)) { - var name_38 = node.name || ts.getGeneratedNameForNode(node); - var isAsync = ts.hasModifier(node, 256); - var newNode = ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name_38, undefined, node.parameters, undefined, node.body, node); - recordExportedFunctionDeclaration(node); - if (!ts.hasModifier(node, 512)) { - recordExportName(name_38); - } - ts.setOriginalNode(newNode, node); - node = newNode; + function isCompoundAssignment(kind) { + return kind >= 58 + && kind <= 69; + } + function getOperatorForCompoundAssignment(kind) { + switch (kind) { + case 58: return 36; + case 59: return 37; + case 60: return 38; + case 61: return 39; + case 62: return 40; + case 63: return 41; + case 64: return 44; + case 65: return 45; + case 66: return 46; + case 67: return 47; + case 68: return 48; + case 69: return 49; } - hoistFunctionDeclaration(node); - return undefined; } - function visitExpressionStatement(node) { - var originalNode = ts.getOriginalNode(node); - if ((originalNode.kind === 226 || originalNode.kind === 225) && ts.hasModifier(originalNode, 1)) { - var name_39 = getDeclarationName(originalNode); - if (originalNode.kind === 225) { - hoistVariableDeclaration(name_39); + function visitRightAssociativeBinaryExpression(node) { + var left = node.left, right = node.right; + if (containsYield(right)) { + var target = void 0; + switch (left.kind) { + case 173: + target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); + break; + case 174: + target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); + break; + default: + target = ts.visitNode(left, visitor, ts.isExpression); + break; + } + var operator = node.operatorToken.kind; + if (isCompoundAssignment(operator)) { + return ts.createBinary(target, 57, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); + } + else { + return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); } - return [ - node, - createExportStatement(name_39, name_39) - ]; } - return node; + return ts.visitEachChild(node, visitor, context); } - function visitClassDeclaration(node) { - var name = getDeclarationName(node); - hoistVariableDeclaration(name); - var statements = []; - statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression(undefined, node.name, undefined, node.heritageClauses, node.members, node)), node)); - if (ts.hasModifier(node, 1)) { - if (!ts.hasModifier(node, 512)) { - recordExportName(name); + function visitLeftAssociativeBinaryExpression(node) { + if (containsYield(node.right)) { + if (ts.isLogicalOperator(node.operatorToken.kind)) { + return visitLogicalBinaryExpression(node); } - statements.push(createDeclarationExport(node)); + else if (node.operatorToken.kind === 25) { + return visitCommaExpression(node); + } + var clone_6 = ts.getMutableClone(node); + clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); + clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); + return clone_6; } - return statements; - } - function shouldHoistLoopInitializer(node) { - return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3) === 0; + return ts.visitEachChild(node, visitor, context); } - function visitForStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var expressions = []; - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, false); - if (visited) { - expressions.push(visited); - } - } - ; - return ts.createFor(expressions.length - ? ts.inlineExpressions(expressions) - : ts.createSynthesizedNode(194), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), node); + function visitLogicalBinaryExpression(node) { + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), node.left); + if (node.operatorToken.kind === 52) { + emitBreakWhenFalse(resultLabel, resultLocal, node.left); } else { - return ts.visitEachChild(node, visitNestedNode, context); + emitBreakWhenTrue(resultLabel, resultLocal, node.left); } + emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), node.right); + markLabel(resultLabel); + return resultLocal; } - function transformForBinding(node) { - var firstDeclaration = ts.firstOrUndefined(node.declarations); - hoistBindingElement(firstDeclaration, false); - var name = firstDeclaration.name; - return ts.isIdentifier(name) - ? name - : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); - } - function visitForInStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - return updated; + function visitCommaExpression(node) { + var pendingExpressions = []; + visit(node.left); + visit(node.right); + return ts.inlineExpressions(pendingExpressions); + function visit(node) { + if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25) { + visit(node.left); + visit(node.right); + } + else { + if (containsYield(node) && pendingExpressions.length > 0) { + emitWorker(1, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); + pendingExpressions = []; + } + pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); + } } - else { - return ts.visitEachChild(node, visitNestedNode, context); + } + function visitConditionalExpression(node) { + if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { + var whenFalseLabel = defineLabel(); + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), node.condition); + emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), node.whenTrue); + emitBreak(resultLabel); + markLabel(whenFalseLabel); + emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), node.whenFalse); + markLabel(resultLabel); + return resultLocal; } + return ts.visitEachChild(node, visitor, context); } - function visitForOfStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - return updated; + function visitYieldExpression(node) { + var resumeLabel = defineLabel(); + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + if (node.asteriskToken) { + emitYieldStar(expression, node); } else { - return ts.visitEachChild(node, visitNestedNode, context); + emitYield(expression, node); } + markLabel(resumeLabel); + return createGeneratorResume(); } - function visitDoStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function visitArrayLiteralExpression(node) { + return visitElements(node.elements, node.multiLine); } - function visitWhileStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function visitElements(elements, _multiLine) { + var numInitialElements = countInitialNodesWithoutYield(elements); + var temp = declareLocal(); + var hasAssignedTemp = false; + if (numInitialElements > 0) { + emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); + hasAssignedTemp = true; } - return node; - } - function visitLabeledStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); + return hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions); + function reduceElement(expressions, element) { + if (containsYield(element) && expressions.length > 0) { + emitAssignment(temp, hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions)); + hasAssignedTemp = true; + expressions = []; + } + expressions.push(ts.visitNode(element, visitor, ts.isExpression)); + return expressions; } - return node; } - function visitWithStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function visitObjectLiteralExpression(node) { + var properties = node.properties; + var multiLine = node.multiLine; + var numInitialProperties = countInitialNodesWithoutYield(properties); + var temp = declareLocal(); + emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), undefined, multiLine)); + var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); + expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); + function reduceProperty(expressions, property) { + if (containsYield(property) && expressions.length > 0) { + emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); + expressions = []; + } + var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); + var visited = ts.visitNode(expression, visitor, ts.isExpression); + if (visited) { + if (multiLine) { + visited.startsOnNewLine = true; + } + expressions.push(visited); + } + return expressions; } - return node; } - function visitSwitchStatement(node) { - var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); - if (caseBlock !== node.caseBlock) { - var updated = ts.getMutableClone(node); - updated.caseBlock = caseBlock; - return updated; + function visitElementAccessExpression(node) { + if (containsYield(node.argumentExpression)) { + var clone_7 = ts.getMutableClone(node); + clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); + clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); + return clone_7; } - return node; + return ts.visitEachChild(node, visitor, context); } - function visitCaseBlock(node) { - var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); - if (clauses !== node.clauses) { - var updated = ts.getMutableClone(node); - updated.clauses = clauses; - return updated; + function visitCallExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, true), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), node), node); } - return node; + return ts.visitEachChild(node, visitor, context); } - function visitCaseClause(node) { - var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); - if (statements !== node.statements) { - var updated = ts.getMutableClone(node); - updated.statements = statements; - return updated; + function visitNewExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), undefined, [], node), node); } - return node; - } - function visitDefaultClause(node) { - return ts.visitEachChild(node, visitNestedNode, context); - } - function visitTryStatement(node) { - return ts.visitEachChild(node, visitNestedNode, context); + return ts.visitEachChild(node, visitor, context); } - function visitCatchClause(node) { - var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); - if (block !== node.block) { - var updated = ts.getMutableClone(node); - updated.block = block; - return updated; + function transformAndEmitStatements(statements, start) { + if (start === void 0) { start = 0; } + var numStatements = statements.length; + for (var i = start; i < numStatements; i++) { + transformAndEmitStatement(statements[i]); } - return node; - } - function visitBlock(node) { - return ts.visitEachChild(node, visitNestedNode, context); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256) { - exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - exportFunctionForFile = undefined; + function transformAndEmitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + transformAndEmitStatements(node.statements); } else { - previousOnEmitNode(emitContext, node, emitCallback); + transformAndEmitStatement(node); } } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1) { - return substituteExpression(node); + function transformAndEmitStatement(node) { + var savedInStatementContainingYield = inStatementContainingYield; + if (!inStatementContainingYield) { + inStatementContainingYield = containsYield(node); } - return node; + transformAndEmitStatementWorker(node); + inStatementContainingYield = savedInStatementContainingYield; } - function substituteExpression(node) { + function transformAndEmitStatementWorker(node) { switch (node.kind) { - case 70: - return substituteExpressionIdentifier(node); - case 188: - return substituteBinaryExpression(node); - case 186: - case 187: - return substituteUnaryExpression(node); - } - return node; - } - function substituteExpressionIdentifier(node) { - var importDeclaration = resolver.getReferencedImportDeclaration(node); - if (importDeclaration) { - var importBinding = createImportBinding(importDeclaration); - if (importBinding) { - return importBinding; - } + case 200: + return transformAndEmitBlock(node); + case 203: + return transformAndEmitExpressionStatement(node); + case 204: + return transformAndEmitIfStatement(node); + case 205: + return transformAndEmitDoStatement(node); + case 206: + return transformAndEmitWhileStatement(node); + case 207: + return transformAndEmitForStatement(node); + case 208: + return transformAndEmitForInStatement(node); + case 210: + return transformAndEmitContinueStatement(node); + case 211: + return transformAndEmitBreakStatement(node); + case 212: + return transformAndEmitReturnStatement(node); + case 213: + return transformAndEmitWithStatement(node); + case 214: + return transformAndEmitSwitchStatement(node); + case 215: + return transformAndEmitLabeledStatement(node); + case 216: + return transformAndEmitThrowStatement(node); + case 217: + return transformAndEmitTryStatement(node); + default: + return emitStatement(ts.visitNode(node, visitor, ts.isStatement, true)); } - return node; } - function substituteBinaryExpression(node) { - if (ts.isAssignmentOperator(node.operatorToken.kind)) { - return substituteAssignmentExpression(node); + function transformAndEmitBlock(node) { + if (containsYield(node)) { + transformAndEmitStatements(node.statements); } - return node; - } - function substituteAssignmentExpression(node) { - ts.setEmitFlags(node, 128); - var left = node.left; - switch (left.kind) { - case 70: - var exportDeclaration = resolver.getReferencedExportContainer(left); - if (exportDeclaration) { - return createExportExpression(left, node); - } - break; - case 172: - case 171: - if (hasExportedReferenceInDestructuringPattern(left)) { - return substituteDestructuring(node); - } - break; + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return node; } - function isExportedBinding(name) { - var container = resolver.getReferencedExportContainer(name); - return container && container.kind === 256; + function transformAndEmitExpressionStatement(node) { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - function hasExportedReferenceInDestructuringPattern(node) { - switch (node.kind) { - case 70: - return isExportedBinding(node); - case 172: - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var property = _a[_i]; - if (hasExportedReferenceInObjectDestructuringElement(property)) { - return true; - } - } - break; - case 171: - for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { - var element = _c[_b]; - if (hasExportedReferenceInArrayDestructuringElement(element)) { - return true; - } + function transformAndEmitVariableDeclarationList(node) { + for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node); + var numVariables = variables.length; + var variablesWritten = 0; + var pendingExpressions = []; + while (variablesWritten < numVariables) { + for (var i = variablesWritten; i < numVariables; i++) { + var variable = variables[i]; + if (containsYield(variable.initializer) && pendingExpressions.length > 0) { + break; } - break; + pendingExpressions.push(transformInitializedVariable(variable)); + } + if (pendingExpressions.length) { + emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); + variablesWritten += pendingExpressions.length; + pendingExpressions = []; + } } - return false; + return undefined; } - function hasExportedReferenceInObjectDestructuringElement(node) { - if (ts.isShorthandPropertyAssignment(node)) { - return isExportedBinding(node.name); - } - else if (ts.isPropertyAssignment(node)) { - return hasExportedReferenceInDestructuringElement(node.initializer); + function transformInitializedVariable(node) { + return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + } + function transformAndEmitIfStatement(node) { + if (containsYield(node)) { + if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { + var endLabel = defineLabel(); + var elseLabel = node.elseStatement ? defineLabel() : undefined; + emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + emitBreak(endLabel); + markLabel(elseLabel); + transformAndEmitEmbeddedStatement(node.elseStatement); + } + markLabel(endLabel); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } } else { - return false; + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function hasExportedReferenceInArrayDestructuringElement(node) { - if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + function transformAndEmitDoStatement(node) { + if (containsYield(node)) { + var conditionLabel = defineLabel(); + var loopLabel = defineLabel(); + beginLoopBlock(conditionLabel); + markLabel(loopLabel); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(conditionLabel); + emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + endLoopBlock(); } else { - return hasExportedReferenceInDestructuringElement(node); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function hasExportedReferenceInDestructuringElement(node) { - if (ts.isBinaryExpression(node)) { - var left = node.left; - return node.operatorToken.kind === 57 - && isDestructuringPattern(left) - && hasExportedReferenceInDestructuringPattern(left); - } - else if (ts.isIdentifier(node)) { - return isExportedBinding(node); + function visitDoStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } - else if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + else { + return ts.visitEachChild(node, visitor, context); } - else if (isDestructuringPattern(node)) { - return hasExportedReferenceInDestructuringPattern(node); + } + function transformAndEmitWhileStatement(node) { + if (containsYield(node)) { + var loopLabel = defineLabel(); + var endLabel = beginLoopBlock(loopLabel); + markLabel(loopLabel); + emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.statement); + emitBreak(loopLabel); + endLoopBlock(); } else { - return false; + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function isDestructuringPattern(node) { - var kind = node.kind; - return kind === 70 - || kind === 172 - || kind === 171; - } - function substituteDestructuring(node) { - return ts.flattenDestructuringAssignment(context, node, true, hoistVariableDeclaration); + function visitWhileStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; + } + else { + return ts.visitEachChild(node, visitor, context); + } } - function substituteUnaryExpression(node) { - var operand = node.operand; - var operator = node.operator; - var substitute = ts.isIdentifier(operand) && - (node.kind === 187 || - (node.kind === 186 && (operator === 42 || operator === 43))); - if (substitute) { - var exportDeclaration = resolver.getReferencedExportContainer(operand); - if (exportDeclaration) { - var expr = ts.createPrefix(node.operator, operand, node); - ts.setEmitFlags(expr, 128); - var call = createExportExpression(operand, expr); - if (node.kind === 186) { - return call; + function transformAndEmitForStatement(node) { + if (containsYield(node)) { + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + if (node.initializer) { + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + transformAndEmitVariableDeclarationList(initializer); } else { - return operator === 42 - ? ts.createSubtract(call, ts.createLiteral(1)) - : ts.createAdd(call, ts.createLiteral(1)); + emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), initializer)); } } + markLabel(conditionLabel); + if (node.condition) { + emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + } + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + if (node.incrementor) { + emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), node.incrementor)); + } + emitBreak(conditionLabel); + endLoopBlock(); } - return node; - } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); - } - function addExportStarFunction(statements, localNames) { - var exportStarFunction = ts.createUniqueName("exportStar"); - var m = ts.createIdentifier("m"); - var n = ts.createIdentifier("n"); - var exports = ts.createIdentifier("exports"); - var condition = ts.createStrictInequality(n, ts.createLiteral("default")); - if (localNames) { - condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - statements.push(ts.createFunctionDeclaration(undefined, undefined, undefined, exportStarFunction, undefined, [ts.createParameter(m)], undefined, ts.createBlock([ - ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exports, undefined, ts.createObjectLiteral([])) - ])), - ts.createForIn(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(n, undefined) - ]), m, ts.createBlock([ - ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32) - ])), - ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [exports])) - ], undefined, true))); - return exportStarFunction; - } - function createExportExpression(name, value) { - var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; - return ts.createCall(exportFunctionForFile, undefined, [exportName, value]); - } - function createExportStatement(name, value) { - return ts.createStatement(createExportExpression(name, value)); - } - function createDeclarationExport(node) { - var declarationName = getDeclarationName(node); - var exportName = ts.hasModifier(node, 512) ? ts.createLiteral("default") : declarationName; - return createExportStatement(exportName, declarationName); } - function createImportBinding(importDeclaration) { - var importAlias; - var name; - if (ts.isImportClause(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); - name = ts.createIdentifier("default"); + function visitForStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); } - else if (ts.isImportSpecifier(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); - name = importDeclaration.propertyName || importDeclaration.name; + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(initializer); + node = ts.updateFor(node, variables.length > 0 + ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) + : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, true), ts.visitNode(node.incrementor, visitor, ts.isExpression, true), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); } else { - return undefined; + node = ts.visitEachChild(node, visitor, context); } - return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); + if (inStatementContainingYield) { + endLoopBlock(); + } + return node; } - function collectDependencyGroups(externalImports) { - var groupIndices = ts.createMap(); - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var externalImport = externalImports[i]; - var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); - var text = externalModuleName.text; - if (ts.hasProperty(groupIndices, text)) { - var groupIndex = groupIndices[text]; - dependencyGroups[groupIndex].externalImports.push(externalImport); - continue; + function transformAndEmitForInStatement(node) { + if (containsYield(node)) { + var keysArray = declareLocal(); + var key = declareLocal(); + var keysIndex = ts.createLoopVariable(); + var initializer = node.initializer; + hoistVariableDeclaration(keysIndex); + emitAssignment(keysArray, ts.createArrayLiteral()); + emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), undefined, [key])))); + emitAssignment(keysIndex, ts.createLiteral(0)); + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + markLabel(conditionLabel); + emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); + var variable = void 0; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable_1 = _a[_i]; + hoistVariableDeclaration(variable_1.name); + } + variable = ts.getSynthesizedClone(initializer.declarations[0].name); } else { - groupIndices[text] = dependencyGroups.length; - dependencyGroups.push({ - name: externalModuleName, - externalImports: [externalImport] - }); + variable = ts.visitNode(initializer, visitor, ts.isExpression); + ts.Debug.assert(ts.isLeftHandSideExpression(variable)); } + emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); + emitBreak(conditionLabel); + endLoopBlock(); } - return dependencyGroups; - } - function getNameOfDependencyGroup(dependencyGroup) { - return dependencyGroup.name; - } - function recordExportName(name) { - if (!exportedLocalNames) { - exportedLocalNames = []; - } - exportedLocalNames.push(name); - } - function recordExportedFunctionDeclaration(node) { - if (!exportedFunctionDeclarations) { - exportedFunctionDeclarations = []; + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - exportedFunctionDeclarations.push(createDeclarationExport(node)); } - function hoistBindingElement(node, isExported) { - if (ts.isOmittedExpression(node)) { - return; + function visitForInStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); } - var name = node.name; - if (ts.isIdentifier(name)) { - hoistVariableDeclaration(ts.getSynthesizedClone(name)); - if (isExported) { - recordExportName(name); + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } + node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, false, ts.liftToBlock)); } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); - } - } - function hoistExportedBindingElement(node) { - hoistBindingElement(node, true); - } - function hoistNonExportedBindingElement(node) { - hoistBindingElement(node, false); - } - function updateSourceFile(node, statements, nodeEmitFlags) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - ts.setEmitFlags(updated, nodeEmitFlags); - return updated; - } - } - ts.transformSystemModule = transformSystemModule; -})(ts || (ts = {})); -var ts; -(function (ts) { - function transformES2015Module(context) { - var compilerOptions = context.getCompilerOptions(); - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - return ts.visitEachChild(node, visitor, context); + else { + node = ts.visitEachChild(node, visitor, context); } - return node; - } - function visitor(node) { - switch (node.kind) { - case 230: - return undefined; - case 236: - return visitExportAssignment(node); + if (inStatementContainingYield) { + endLoopBlock(); } return node; } - function visitExportAssignment(node) { - return node.isExportEquals ? undefined : node; + function transformAndEmitContinueStatement(node) { + var label = findContinueTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); + emitBreak(label, node); } - } - ts.transformES2015Module = transformES2015Module; -})(ts || (ts = {})); -var ts; -(function (ts) { - var moduleTransformerMap = ts.createMap((_a = {}, - _a[ts.ModuleKind.ES2015] = ts.transformES2015Module, - _a[ts.ModuleKind.System] = ts.transformSystemModule, - _a[ts.ModuleKind.AMD] = ts.transformModule, - _a[ts.ModuleKind.CommonJS] = ts.transformModule, - _a[ts.ModuleKind.UMD] = ts.transformModule, - _a[ts.ModuleKind.None] = ts.transformModule, - _a)); - var SyntaxKindFeatureFlags; - (function (SyntaxKindFeatureFlags) { - SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["Substitution"] = 1] = "Substitution"; - SyntaxKindFeatureFlags[SyntaxKindFeatureFlags["EmitNotifications"] = 2] = "EmitNotifications"; - })(SyntaxKindFeatureFlags || (SyntaxKindFeatureFlags = {})); - function getTransformers(compilerOptions) { - var jsx = compilerOptions.jsx; - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var transformers = []; - transformers.push(ts.transformTypeScript); - transformers.push(moduleTransformerMap[moduleKind] || moduleTransformerMap[ts.ModuleKind.None]); - if (jsx === 2) { - transformers.push(ts.transformJsx); + function visitContinueStatement(node) { + if (inStatementContainingYield) { + var label = findContinueTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, node); + } + } + return ts.visitEachChild(node, visitor, context); } - if (languageVersion < 4) { - transformers.push(ts.transformES2017); + function transformAndEmitBreakStatement(node) { + var label = findBreakTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); + emitBreak(label, node); } - if (languageVersion < 3) { - transformers.push(ts.transformES2016); + function visitBreakStatement(node) { + if (inStatementContainingYield) { + var label = findBreakTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, node); + } + } + return ts.visitEachChild(node, visitor, context); } - if (languageVersion < 2) { - transformers.push(ts.transformES2015); - transformers.push(ts.transformGenerators); + function transformAndEmitReturnStatement(node) { + emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); } - if (languageVersion < 1) { - transformers.push(ts.transformES5); + function visitReturnStatement(node) { + return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, true), node); } - return transformers; - } - ts.getTransformers = getTransformers; - function transformFiles(resolver, host, sourceFiles, transformers) { - var lexicalEnvironmentVariableDeclarationsStack = []; - var lexicalEnvironmentFunctionDeclarationsStack = []; - var enabledSyntaxKindFeatures = new Array(289); - var lexicalEnvironmentStackOffset = 0; - var hoistedVariableDeclarations; - var hoistedFunctionDeclarations; - var lexicalEnvironmentDisabled; - var context = { - getCompilerOptions: function () { return host.getCompilerOptions(); }, - getEmitResolver: function () { return resolver; }, - getEmitHost: function () { return host; }, - hoistVariableDeclaration: hoistVariableDeclaration, - hoistFunctionDeclaration: hoistFunctionDeclaration, - startLexicalEnvironment: startLexicalEnvironment, - endLexicalEnvironment: endLexicalEnvironment, - onSubstituteNode: function (_emitContext, node) { return node; }, - enableSubstitution: enableSubstitution, - isSubstitutionEnabled: isSubstitutionEnabled, - onEmitNode: function (node, emitContext, emitCallback) { return emitCallback(node, emitContext); }, - enableEmitNotification: enableEmitNotification, - isEmitNotificationEnabled: isEmitNotificationEnabled - }; - var transformation = ts.chain.apply(void 0, transformers)(context); - var transformed = ts.map(sourceFiles, transformSourceFile); - lexicalEnvironmentDisabled = true; - return { - transformed: transformed, - emitNodeWithSubstitution: emitNodeWithSubstitution, - emitNodeWithNotification: emitNodeWithNotification - }; - function transformSourceFile(sourceFile) { - if (ts.isDeclarationFile(sourceFile)) { - return sourceFile; + function transformAndEmitWithStatement(node) { + if (containsYield(node)) { + beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); + transformAndEmitEmbeddedStatement(node.statement); + endWithBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return transformation(sourceFile); - } - function enableSubstitution(kind) { - enabledSyntaxKindFeatures[kind] |= 1; - } - function isSubstitutionEnabled(node) { - return (enabledSyntaxKindFeatures[node.kind] & 1) !== 0 - && (ts.getEmitFlags(node) & 128) === 0; } - function emitNodeWithSubstitution(emitContext, node, emitCallback) { - if (node) { - if (isSubstitutionEnabled(node)) { - var substitute = context.onSubstituteNode(emitContext, node); - if (substitute && substitute !== node) { - emitCallback(emitContext, substitute); - return; + function transformAndEmitSwitchStatement(node) { + if (containsYield(node.caseBlock)) { + var caseBlock = node.caseBlock; + var numClauses = caseBlock.clauses.length; + var endLabel = beginSwitchBlock(); + var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); + var clauseLabels = []; + var defaultClauseIndex = -1; + for (var i = 0; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + clauseLabels.push(defineLabel()); + if (clause.kind === 250 && defaultClauseIndex === -1) { + defaultClauseIndex = i; } } - emitCallback(emitContext, node); - } - } - function enableEmitNotification(kind) { - enabledSyntaxKindFeatures[kind] |= 2; - } - function isEmitNotificationEnabled(node) { - return (enabledSyntaxKindFeatures[node.kind] & 2) !== 0 - || (ts.getEmitFlags(node) & 64) !== 0; - } - function emitNodeWithNotification(emitContext, node, emitCallback) { - if (node) { - if (isEmitNotificationEnabled(node)) { - context.onEmitNode(emitContext, node, emitCallback); + var clausesWritten = 0; + var pendingClauses = []; + while (clausesWritten < numClauses) { + var defaultClausesSkipped = 0; + for (var i = clausesWritten; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + if (clause.kind === 249) { + var caseClause = clause; + if (containsYield(caseClause.expression) && pendingClauses.length > 0) { + break; + } + pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ + createInlineBreak(clauseLabels[i], caseClause.expression) + ])); + } + else { + defaultClausesSkipped++; + } + } + if (pendingClauses.length) { + emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); + clausesWritten += pendingClauses.length; + pendingClauses = []; + } + if (defaultClausesSkipped > 0) { + clausesWritten += defaultClausesSkipped; + defaultClausesSkipped = 0; + } + } + if (defaultClauseIndex >= 0) { + emitBreak(clauseLabels[defaultClauseIndex]); } else { - emitCallback(emitContext, node); + emitBreak(endLabel); + } + for (var i = 0; i < numClauses; i++) { + markLabel(clauseLabels[i]); + transformAndEmitStatements(caseBlock.clauses[i].statements); } + endSwitchBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function hoistVariableDeclaration(name) { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); - var decl = ts.createVariableDeclaration(name); - if (!hoistedVariableDeclarations) { - hoistedVariableDeclarations = [decl]; + function visitSwitchStatement(node) { + if (inStatementContainingYield) { + beginScriptSwitchBlock(); } - else { - hoistedVariableDeclarations.push(decl); + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endSwitchBlock(); } + return node; } - function hoistFunctionDeclaration(func) { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); - if (!hoistedFunctionDeclarations) { - hoistedFunctionDeclarations = [func]; + function transformAndEmitLabeledStatement(node) { + if (containsYield(node)) { + beginLabeledBlock(node.label.text); + transformAndEmitEmbeddedStatement(node.statement); + endLabeledBlock(); } else { - hoistedFunctionDeclarations.push(func); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function startLexicalEnvironment() { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot start a lexical environment during the print phase."); - lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedVariableDeclarations; - lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedFunctionDeclarations; - lexicalEnvironmentStackOffset++; - hoistedVariableDeclarations = undefined; - hoistedFunctionDeclarations = undefined; + function visitLabeledStatement(node) { + if (inStatementContainingYield) { + beginScriptLabeledBlock(node.label.text); + } + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endLabeledBlock(); + } + return node; } - function endLexicalEnvironment() { - ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot end a lexical environment during the print phase."); - var statements; - if (hoistedVariableDeclarations || hoistedFunctionDeclarations) { - if (hoistedFunctionDeclarations) { - statements = hoistedFunctionDeclarations.slice(); + function transformAndEmitThrowStatement(node) { + emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), node); + } + function transformAndEmitTryStatement(node) { + if (containsYield(node)) { + beginExceptionBlock(); + transformAndEmitEmbeddedStatement(node.tryBlock); + if (node.catchClause) { + beginCatchBlock(node.catchClause.variableDeclaration); + transformAndEmitEmbeddedStatement(node.catchClause.block); } - if (hoistedVariableDeclarations) { - var statement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList(hoistedVariableDeclarations)); - if (!statements) { - statements = [statement]; - } - else { - statements.push(statement); - } + if (node.finallyBlock) { + beginFinallyBlock(); + transformAndEmitEmbeddedStatement(node.finallyBlock); } + endExceptionBlock(); + } + else { + emitStatement(ts.visitEachChild(node, visitor, context)); } - lexicalEnvironmentStackOffset--; - hoistedVariableDeclarations = lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset]; - hoistedFunctionDeclarations = lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset]; - return statements; } - } - ts.transformFiles = transformFiles; - var _a; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDeclarationDiagnostics(host, resolver, targetSourceFile) { - var declarationDiagnostics = ts.createDiagnosticCollection(); - ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); - return declarationDiagnostics.getDiagnostics(targetSourceFile ? targetSourceFile.fileName : undefined); - function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { - var declarationFilePath = _a.declarationFilePath; - emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit, false); + function containsYield(node) { + return node && (node.transformFlags & 16777216) !== 0; } - } - ts.getDeclarationDiagnostics = getDeclarationDiagnostics; - function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles) { - var newLine = host.getNewLine(); - var compilerOptions = host.getCompilerOptions(); - var write; - var writeLine; - var increaseIndent; - var decreaseIndent; - var writeTextOfNode; - var writer; - createAndSetNewTextWriterWithSymbolWriter(); - var enclosingDeclaration; - var resultHasExternalModuleIndicator; - var currentText; - var currentLineMap; - var currentIdentifiers; - var isCurrentFileExternalModule; - var reportedDeclarationError = false; - var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function () { } : writeJsDocComments; - var emit = compilerOptions.stripInternal ? stripInternal : emitNode; - var noDeclare; - var moduleElementDeclarationEmitInfo = []; - var asynchronousSubModuleDeclarationEmitInfo; - var referencesOutput = ""; - var usedTypeDirectiveReferences; - var emittedReferencedFiles = []; - var addedGlobalFileReference = false; - var allSourcesModuleElementDeclarationEmitInfo = []; - ts.forEach(sourceFiles, function (sourceFile) { - if (ts.isSourceFileJavaScript(sourceFile)) { - return; - } - if (!compilerOptions.noResolve) { - ts.forEach(sourceFile.referencedFiles, function (fileReference) { - var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); - if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { - if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference, emitOnlyDtsFiles)) { - addedGlobalFileReference = true; - } - emittedReferencedFiles.push(referencedFile); - } - }); + function countInitialNodesWithoutYield(nodes) { + var numNodes = nodes.length; + for (var i = 0; i < numNodes; i++) { + if (containsYield(nodes[i])) { + return i; + } } - resultHasExternalModuleIndicator = false; - if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { - noDeclare = false; - emitSourceFile(sourceFile); + return -1; + } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - else if (ts.isExternalModule(sourceFile)) { - noDeclare = true; - write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); - writeLine(); - increaseIndent(); - emitSourceFile(sourceFile); - decreaseIndent(); - write("}"); - writeLine(); + return node; + } + function substituteExpression(node) { + if (ts.isIdentifier(node)) { + return substituteExpressionIdentifier(node); } - if (moduleElementDeclarationEmitInfo.length) { - var oldWriter = writer; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { - ts.Debug.assert(aliasEmitInfo.node.kind === 231); - createAndSetNewTextWriterWithSymbolWriter(); - ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - increaseIndent(); - } - writeImportDeclaration(aliasEmitInfo.node); - aliasEmitInfo.asynchronousOutput = writer.getText(); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - decreaseIndent(); + return node; + } + function substituteExpressionIdentifier(node) { + if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { + var original = ts.getOriginalNode(node); + if (ts.isIdentifier(original) && original.parent) { + var declaration = resolver.getReferencedValueDeclaration(original); + if (declaration) { + var name_37 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); + if (name_37) { + var clone_8 = ts.getMutableClone(name_37); + ts.setSourceMapRange(clone_8, node); + ts.setCommentRange(clone_8, node); + return clone_8; } } - }); - setWriter(oldWriter); - allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); - moduleElementDeclarationEmitInfo = []; + } } - if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { - write("export {};"); - writeLine(); + return node; + } + function cacheExpression(node) { + var temp; + if (ts.isGeneratedIdentifier(node)) { + return node; } - }); - if (usedTypeDirectiveReferences) { - for (var directive in usedTypeDirectiveReferences) { - referencesOutput += "/// " + newLine; + temp = ts.createTempVariable(hoistVariableDeclaration); + emitAssignment(temp, node, node); + return temp; + } + function declareLocal(name) { + var temp = name + ? ts.createUniqueName(name) + : ts.createTempVariable(undefined); + hoistVariableDeclaration(temp); + return temp; + } + function defineLabel() { + if (!labelOffsets) { + labelOffsets = []; } + var label = nextLabelId; + nextLabelId++; + labelOffsets[label] = -1; + return label; } - return { - reportedDeclarationError: reportedDeclarationError, - moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, - synchronousDeclarationOutput: writer.getText(), - referencesOutput: referencesOutput, - }; - function hasInternalAnnotation(range) { - var comment = currentText.substring(range.pos, range.end); - return comment.indexOf("@internal") >= 0; + function markLabel(label) { + ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); + labelOffsets[label] = operations ? operations.length : 0; } - function stripInternal(node) { - if (node) { - var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); - if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { - return; - } - emitNode(node); + function beginBlock(block) { + if (!blocks) { + blocks = []; + blockActions = []; + blockOffsets = []; + blockStack = []; } + var index = blockActions.length; + blockActions[index] = 0; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.push(block); + return index; } - function createAndSetNewTextWriterWithSymbolWriter() { - var writer = ts.createTextWriter(newLine); - writer.trackSymbol = trackSymbol; - writer.reportInaccessibleThisError = reportInaccessibleThisError; - writer.writeKeyword = writer.write; - writer.writeOperator = writer.write; - writer.writePunctuation = writer.write; - writer.writeSpace = writer.write; - writer.writeStringLiteral = writer.writeLiteral; - writer.writeParameter = writer.write; - writer.writeSymbol = writer.write; - setWriter(writer); + function endBlock() { + var block = peekBlock(); + ts.Debug.assert(block !== undefined, "beginBlock was never called."); + var index = blockActions.length; + blockActions[index] = 1; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.pop(); + return block; } - function setWriter(newWriter) { - writer = newWriter; - write = newWriter.write; - writeTextOfNode = newWriter.writeTextOfNode; - writeLine = newWriter.writeLine; - increaseIndent = newWriter.increaseIndent; - decreaseIndent = newWriter.decreaseIndent; + function peekBlock() { + return ts.lastOrUndefined(blockStack); } - function writeAsynchronousModuleElements(nodes) { - var oldWriter = writer; - ts.forEach(nodes, function (declaration) { - var nodeToCheck; - if (declaration.kind === 219) { - nodeToCheck = declaration.parent.parent; - } - else if (declaration.kind === 234 || declaration.kind === 235 || declaration.kind === 232) { - ts.Debug.fail("We should be getting ImportDeclaration instead to write"); - } - else { - nodeToCheck = declaration; - } - var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { - moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - } - if (moduleElementEmitInfo) { - if (moduleElementEmitInfo.node.kind === 231) { - moduleElementEmitInfo.isVisible = true; - } - else { - createAndSetNewTextWriterWithSymbolWriter(); - for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { - increaseIndent(); - } - if (nodeToCheck.kind === 226) { - ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); - asynchronousSubModuleDeclarationEmitInfo = []; - } - writeModuleElement(nodeToCheck); - if (nodeToCheck.kind === 226) { - moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; - asynchronousSubModuleDeclarationEmitInfo = undefined; - } - moduleElementEmitInfo.asynchronousOutput = writer.getText(); - } - } + function peekBlockKind() { + var block = peekBlock(); + return block && block.kind; + } + function beginWithBlock(expression) { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 1, + expression: expression, + startLabel: startLabel, + endLabel: endLabel }); - setWriter(oldWriter); } - function recordTypeReferenceDirectivesIfNecessary(typeReferenceDirectives) { - if (!typeReferenceDirectives) { - return; - } - if (!usedTypeDirectiveReferences) { - usedTypeDirectiveReferences = ts.createMap(); - } - for (var _i = 0, typeReferenceDirectives_1 = typeReferenceDirectives; _i < typeReferenceDirectives_1.length; _i++) { - var directive = typeReferenceDirectives_1[_i]; - if (!(directive in usedTypeDirectiveReferences)) { - usedTypeDirectiveReferences[directive] = directive; - } - } + function endWithBlock() { + ts.Debug.assert(peekBlockKind() === 1); + var block = endBlock(); + markLabel(block.endLabel); } - function handleSymbolAccessibilityError(symbolAccessibilityResult) { - if (symbolAccessibilityResult.accessibility === 0) { - if (symbolAccessibilityResult && symbolAccessibilityResult.aliasesToMakeVisible) { - writeAsynchronousModuleElements(symbolAccessibilityResult.aliasesToMakeVisible); - } - } - else { - reportedDeclarationError = true; - var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccessibilityResult); - if (errorInfo) { - if (errorInfo.typeName) { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); - } - else { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); - } - } - } + function isWithBlock(block) { + return block.kind === 1; } - function trackSymbol(symbol, enclosingDeclaration, meaning) { - handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning, true)); - recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForSymbol(symbol, meaning)); + function beginExceptionBlock() { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 0, + state: 0, + startLabel: startLabel, + endLabel: endLabel + }); + emitNop(); + return endLabel; } - function reportInaccessibleThisError() { - if (errorNameNode) { - reportedDeclarationError = true; - emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + function beginCatchBlock(variable) { + ts.Debug.assert(peekBlockKind() === 0); + var text = variable.name.text; + var name = declareLocal(text); + if (!renamedCatchVariables) { + renamedCatchVariables = ts.createMap(); + renamedCatchVariableDeclarations = ts.createMap(); + context.enableSubstitution(70); } + renamedCatchVariables[text] = true; + renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; + var exception = peekBlock(); + ts.Debug.assert(exception.state < 1); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var catchLabel = defineLabel(); + markLabel(catchLabel); + exception.state = 1; + exception.catchVariable = name; + exception.catchLabel = catchLabel; + emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [])); + emitNop(); } - function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (type) { - emitType(type); + function beginFinallyBlock() { + ts.Debug.assert(peekBlockKind() === 0); + var exception = peekBlock(); + ts.Debug.assert(exception.state < 2); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var finallyLabel = defineLabel(); + markLabel(finallyLabel); + exception.state = 2; + exception.finallyLabel = finallyLabel; + } + function endExceptionBlock() { + ts.Debug.assert(peekBlockKind() === 0); + var exception = endBlock(); + var state = exception.state; + if (state < 2) { + emitBreak(exception.endLabel); } else { - errorNameNode = declaration.name; - resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 | 1024, writer); - errorNameNode = undefined; + emitEndfinally(); } + markLabel(exception.endLabel); + emitNop(); + exception.state = 3; } - function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (signature.type) { - emitType(signature.type); + function isExceptionBlock(block) { + return block.kind === 0; + } + function beginScriptLoopBlock() { + beginBlock({ + kind: 3, + isScript: true, + breakLabel: -1, + continueLabel: -1 + }); + } + function beginLoopBlock(continueLabel) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 3, + isScript: false, + breakLabel: breakLabel, + continueLabel: continueLabel + }); + return breakLabel; + } + function endLoopBlock() { + ts.Debug.assert(peekBlockKind() === 3); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - else { - errorNameNode = signature.name; - resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 | 1024, writer); - errorNameNode = undefined; + } + function beginScriptSwitchBlock() { + beginBlock({ + kind: 2, + isScript: true, + breakLabel: -1 + }); + } + function beginSwitchBlock() { + var breakLabel = defineLabel(); + beginBlock({ + kind: 2, + isScript: false, + breakLabel: breakLabel + }); + return breakLabel; + } + function endSwitchBlock() { + ts.Debug.assert(peekBlockKind() === 2); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } } - function emitLines(nodes) { - for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { - var node = nodes_2[_i]; - emit(node); - } + function beginScriptLabeledBlock(labelText) { + beginBlock({ + kind: 4, + isScript: true, + labelText: labelText, + breakLabel: -1 + }); } - function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { - var currentWriterPos = writer.getTextPos(); - for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { - var node = nodes_3[_i]; - if (!canEmitFn || canEmitFn(node)) { - if (currentWriterPos !== writer.getTextPos()) { - write(separator); - } - currentWriterPos = writer.getTextPos(); - eachNodeEmitFn(node); - } + function beginLabeledBlock(labelText) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 4, + isScript: false, + labelText: labelText, + breakLabel: breakLabel + }); + } + function endLabeledBlock() { + ts.Debug.assert(peekBlockKind() === 4); + var block = endBlock(); + if (!block.isScript) { + markLabel(block.breakLabel); } } - function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { - emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); + function supportsUnlabeledBreak(block) { + return block.kind === 2 + || block.kind === 3; } - function writeJsDocComments(declaration) { - if (declaration) { - var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); - ts.emitComments(currentText, currentLineMap, writer, jsDocComments, false, true, newLine, ts.writeCommentRange); - } + function supportsLabeledBreakOrContinue(block) { + return block.kind === 4; } - function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - emitType(type); + function supportsUnlabeledContinue(block) { + return block.kind === 3; } - function emitType(type) { - switch (type.kind) { - case 118: - case 133: - case 131: - case 121: - case 134: - case 104: - case 136: - case 94: - case 128: - case 166: - case 167: - return writeTextOfNode(currentText, type); - case 195: - return emitExpressionWithTypeArguments(type); - case 156: - return emitTypeReference(type); - case 159: - return emitTypeQuery(type); - case 161: - return emitArrayType(type); - case 162: - return emitTupleType(type); - case 163: - return emitUnionType(type); - case 164: - return emitIntersectionType(type); - case 165: - return emitParenType(type); - case 157: - case 158: - return emitSignatureDeclarationWithJsDocComments(type); - case 160: - return emitTypeLiteral(type); - case 70: - return emitEntityName(type); - case 140: - return emitEntityName(type); - case 155: - return emitTypePredicate(type); - } - function writeEntityName(entityName) { - if (entityName.kind === 70) { - writeTextOfNode(currentText, entityName); + function hasImmediateContainingLabeledBlock(labelText, start) { + for (var j = start; j >= 0; j--) { + var containingBlock = blockStack[j]; + if (supportsLabeledBreakOrContinue(containingBlock)) { + if (containingBlock.labelText === labelText) { + return true; + } } else { - var left = entityName.kind === 140 ? entityName.left : entityName.expression; - var right = entityName.kind === 140 ? entityName.right : entityName.name; - writeEntityName(left); - write("."); - writeTextOfNode(currentText, right); + break; } } - function emitEntityName(entityName) { - var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 230 ? entityName.parent : enclosingDeclaration); - handleSymbolAccessibilityError(visibilityResult); - recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForEntityName(entityName)); - writeEntityName(entityName); - } - function emitExpressionWithTypeArguments(node) { - if (ts.isEntityNameExpression(node.expression)) { - ts.Debug.assert(node.expression.kind === 70 || node.expression.kind === 173); - emitEntityName(node.expression); - if (node.typeArguments) { - write("<"); - emitCommaList(node.typeArguments, emitType); - write(">"); + return false; + } + function findBreakTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { + return block.breakLabel; + } + else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.breakLabel; } } } - function emitTypeReference(type) { - emitEntityName(type.typeName); - if (type.typeArguments) { - write("<"); - emitCommaList(type.typeArguments, emitType); - write(">"); + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledBreak(block)) { + return block.breakLabel; + } } } - function emitTypePredicate(type) { - writeTextOfNode(currentText, type.parameterName); - write(" is "); - emitType(type.type); - } - function emitTypeQuery(type) { - write("typeof "); - emitEntityName(type.exprName); - } - function emitArrayType(type) { - emitType(type.elementType); - write("[]"); - } - function emitTupleType(type) { - write("["); - emitCommaList(type.elementTypes, emitType); - write("]"); - } - function emitUnionType(type) { - emitSeparatedList(type.types, " | ", emitType); - } - function emitIntersectionType(type) { - emitSeparatedList(type.types, " & ", emitType); - } - function emitParenType(type) { - write("("); - emitType(type.type); - write(")"); + return 0; + } + function findContinueTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.continueLabel; + } + } } - function emitTypeLiteral(type) { - write("{"); - if (type.members.length) { - writeLine(); - increaseIndent(); - emitLines(type.members); - decreaseIndent(); + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block)) { + return block.continueLabel; + } } - write("}"); } + return 0; } - function emitSourceFile(node) { - currentText = node.text; - currentLineMap = ts.getLineStarts(node); - currentIdentifiers = node.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(node); - enclosingDeclaration = node; - ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); - emitLines(node.statements); - } - function getExportDefaultTempVariableName() { - var baseName = "_default"; - if (!(baseName in currentIdentifiers)) { - return baseName; - } - var count = 0; - while (true) { - count++; - var name_40 = baseName + "_" + count; - if (!(name_40 in currentIdentifiers)) { - return name_40; + function createLabel(label) { + if (label > 0) { + if (labelExpressions === undefined) { + labelExpressions = []; + } + var expression = ts.createSynthesizedNode(8); + if (labelExpressions[label] === undefined) { + labelExpressions[label] = [expression]; + } + else { + labelExpressions[label].push(expression); } + return expression; } + return ts.createNode(194); } - function emitExportAssignment(node) { - if (node.expression.kind === 70) { - write(node.isExportEquals ? "export = " : "export default "); - writeTextOfNode(currentText, node.expression); + function createInstruction(instruction) { + var literal = ts.createLiteral(instruction); + literal.trailingComment = instructionNames[instruction]; + return literal; + } + function createInlineBreak(label, location) { + ts.Debug.assert(label > 0, "Invalid label: " + label); + return ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), location); + } + function createInlineReturn(expression, location) { + return ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2), expression] + : [createInstruction(2)]), location); + } + function createGeneratorResume(location) { + return ts.createCall(ts.createPropertyAccess(state, "sent"), undefined, [], location); + } + function emitNop() { + emitWorker(0); + } + function emitStatement(node) { + if (node) { + emitWorker(1, [node]); } else { - var tempVarName = getExportDefaultTempVariableName(); - if (!noDeclare) { - write("declare "); - } - write("var "); - write(tempVarName); - write(": "); - writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; - resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 | 1024, writer); - write(";"); - writeLine(); - write(node.isExportEquals ? "export = " : "export default "); - write(tempVarName); - } - write(";"); - writeLine(); - if (node.expression.kind === 70) { - var nodes = resolver.collectLinkedAliases(node.expression); - writeAsynchronousModuleElements(nodes); - } - function getDefaultExportAccessibilityDiagnostic() { - return { - diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, - errorNode: node - }; + emitNop(); } } - function isModuleElementVisible(node) { - return resolver.isDeclarationVisible(node); + function emitAssignment(left, right, location) { + emitWorker(2, [left, right], location); } - function emitModuleElement(node, isModuleElementVisible) { - if (isModuleElementVisible) { - writeModuleElement(node); + function emitBreak(label, location) { + emitWorker(3, [label], location); + } + function emitBreakWhenTrue(label, condition, location) { + emitWorker(4, [label, condition], location); + } + function emitBreakWhenFalse(label, condition, location) { + emitWorker(5, [label, condition], location); + } + function emitYieldStar(expression, location) { + emitWorker(7, [expression], location); + } + function emitYield(expression, location) { + emitWorker(6, [expression], location); + } + function emitReturn(expression, location) { + emitWorker(8, [expression], location); + } + function emitThrow(expression, location) { + emitWorker(9, [expression], location); + } + function emitEndfinally() { + emitWorker(10); + } + function emitWorker(code, args, location) { + if (operations === undefined) { + operations = []; + operationArguments = []; + operationLocations = []; } - else if (node.kind === 230 || - (node.parent.kind === 256 && isCurrentFileExternalModule)) { - var isVisible = void 0; - if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 256) { - asynchronousSubModuleDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - else { - if (node.kind === 231) { - var importDeclaration = node; - if (importDeclaration.importClause) { - isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || - isVisibleNamedBinding(importDeclaration.importClause.namedBindings); - } - } - moduleElementDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } + if (labelOffsets === undefined) { + markLabel(defineLabel()); } + var operationIndex = operations.length; + operations[operationIndex] = code; + operationArguments[operationIndex] = args; + operationLocations[operationIndex] = location; } - function writeModuleElement(node) { - switch (node.kind) { - case 221: - return writeFunctionDeclaration(node); - case 201: - return writeVariableStatement(node); - case 223: - return writeInterfaceDeclaration(node); - case 222: - return writeClassDeclaration(node); - case 224: - return writeTypeAliasDeclaration(node); - case 225: - return writeEnumDeclaration(node); - case 226: - return writeModuleDeclaration(node); - case 230: - return writeImportEqualsDeclaration(node); - case 231: - return writeImportDeclaration(node); - default: - ts.Debug.fail("Unknown symbol kind"); - } + function build() { + blockIndex = 0; + labelNumber = 0; + labelNumbers = undefined; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + clauses = undefined; + statements = undefined; + exceptionBlockStack = undefined; + currentExceptionBlock = undefined; + withBlockStack = undefined; + var buildResult = buildStatements(); + return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), undefined, [ + ts.createThis(), + ts.setEmitFlags(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(state)], undefined, ts.createBlock(buildResult, undefined, buildResult.length > 0)), 4194304) + ]); } - function emitModuleElementDeclarationFlags(node) { - if (node.parent.kind === 256) { - var modifiers = ts.getModifierFlags(node); - if (modifiers & 1) { - write("export "); - } - if (modifiers & 512) { - write("default "); - } - else if (node.kind !== 223 && !noDeclare) { - write("declare "); + function buildStatements() { + if (operations) { + for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { + writeOperation(operationIndex); } + flushFinalLabel(operations.length); } - } - function emitClassMemberDeclarationFlags(flags) { - if (flags & 8) { - write("private "); - } - else if (flags & 16) { - write("protected "); + else { + flushFinalLabel(0); } - if (flags & 32) { - write("static "); + if (clauses) { + var labelExpression = ts.createPropertyAccess(state, "label"); + var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); + switchStatement.startsOnNewLine = true; + return [switchStatement]; } - if (flags & 64) { - write("readonly "); + if (statements) { + return statements; } - if (flags & 128) { - write("abstract "); + return []; + } + function flushLabel() { + if (!statements) { + return; } + appendLabel(!lastOperationWasAbrupt); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + labelNumber++; } - function writeImportEqualsDeclaration(node) { - emitJsDocComments(node); - if (ts.hasModifier(node, 1)) { - write("export "); + function flushFinalLabel(operationIndex) { + if (isFinalLabelReachable(operationIndex)) { + tryEnterLabel(operationIndex); + withBlockStack = undefined; + writeReturn(undefined, undefined); } - write("import "); - writeTextOfNode(currentText, node.name); - write(" = "); - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); - write(";"); + if (statements && clauses) { + appendLabel(false); } - else { - write("require("); - emitExternalModuleSpecifier(node); - write(");"); + updateLabelExpressions(); + } + function isFinalLabelReachable(operationIndex) { + if (!lastOperationWasCompletion) { + return true; } - writer.writeLine(); - function getImportEntityNameVisibilityError() { - return { - diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, - errorNode: node, - typeName: node.name - }; + if (!labelOffsets || !labelExpressions) { + return false; + } + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex && labelExpressions[label]) { + return true; + } } + return false; } - function isVisibleNamedBinding(namedBindings) { - if (namedBindings) { - if (namedBindings.kind === 233) { - return resolver.isDeclarationVisible(namedBindings); + function appendLabel(markLabelEnd) { + if (!clauses) { + clauses = []; + } + if (statements) { + if (withBlockStack) { + for (var i = withBlockStack.length - 1; i >= 0; i--) { + var withBlock = withBlockStack[i]; + statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; + } + } + if (currentExceptionBlock) { + var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; + statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), undefined, [ + ts.createArrayLiteral([ + createLabel(startLabel), + createLabel(catchLabel), + createLabel(finallyLabel), + createLabel(endLabel) + ]) + ]))); + currentExceptionBlock = undefined; } - else { - return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); + if (markLabelEnd) { + statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); } } + clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); + statements = undefined; } - function writeImportDeclaration(node) { - emitJsDocComments(node); - if (ts.hasModifier(node, 1)) { - write("export "); + function tryEnterLabel(operationIndex) { + if (!labelOffsets) { + return; } - write("import "); - if (node.importClause) { - var currentWriterPos = writer.getTextPos(); - if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { - writeTextOfNode(currentText, node.importClause.name); - } - if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { - if (currentWriterPos !== writer.getTextPos()) { - write(", "); + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex) { + flushLabel(); + if (labelNumbers === undefined) { + labelNumbers = []; } - if (node.importClause.namedBindings.kind === 233) { - write("* as "); - writeTextOfNode(currentText, node.importClause.namedBindings.name); + if (labelNumbers[labelNumber] === undefined) { + labelNumbers[labelNumber] = [label]; } else { - write("{ "); - emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); - write(" }"); + labelNumbers[labelNumber].push(label); } } - write(" from "); } - emitExternalModuleSpecifier(node); - write(";"); - writer.writeLine(); } - function emitExternalModuleSpecifier(parent) { - resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 226; - var moduleSpecifier; - if (parent.kind === 230) { - var node = parent; - moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); - } - else if (parent.kind === 226) { - moduleSpecifier = parent.name; - } - else { - var node = parent; - moduleSpecifier = node.moduleSpecifier; - } - if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { - var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); - if (moduleName) { - write('"'); - write(moduleName); - write('"'); - return; + function updateLabelExpressions() { + if (labelExpressions !== undefined && labelNumbers !== undefined) { + for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { + var labels = labelNumbers[labelNumber_1]; + if (labels !== undefined) { + for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { + var label = labels_1[_i]; + var expressions = labelExpressions[label]; + if (expressions !== undefined) { + for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { + var expression = expressions_1[_a]; + expression.text = String(labelNumber_1); + } + } + } + } } } - writeTextOfNode(currentText, moduleSpecifier); } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - writeTextOfNode(currentText, node.propertyName); - write(" as "); + function tryEnterOrLeaveBlock(operationIndex) { + if (blocks) { + for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { + var block = blocks[blockIndex]; + var blockAction = blockActions[blockIndex]; + if (isExceptionBlock(block)) { + if (blockAction === 0) { + if (!exceptionBlockStack) { + exceptionBlockStack = []; + } + if (!statements) { + statements = []; + } + exceptionBlockStack.push(currentExceptionBlock); + currentExceptionBlock = block; + } + else if (blockAction === 1) { + currentExceptionBlock = exceptionBlockStack.pop(); + } + } + else if (isWithBlock(block)) { + if (blockAction === 0) { + if (!withBlockStack) { + withBlockStack = []; + } + withBlockStack.push(block); + } + else if (blockAction === 1) { + withBlockStack.pop(); + } + } + } } - writeTextOfNode(currentText, node.name); } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); - writeAsynchronousModuleElements(nodes); - } - function emitExportDeclaration(node) { - emitJsDocComments(node); - write("export "); - if (node.exportClause) { - write("{ "); - emitCommaList(node.exportClause.elements, emitExportSpecifier); - write(" }"); + function writeOperation(operationIndex) { + tryEnterLabel(operationIndex); + tryEnterOrLeaveBlock(operationIndex); + if (lastOperationWasAbrupt) { + return; } - else { - write("*"); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + var opcode = operations[operationIndex]; + if (opcode === 0) { + return; } - if (node.moduleSpecifier) { - write(" from "); - emitExternalModuleSpecifier(node); + else if (opcode === 10) { + return writeEndfinally(); } - write(";"); - writer.writeLine(); - } - function writeModuleDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isGlobalScopeAugmentation(node)) { - write("global "); + var args = operationArguments[operationIndex]; + if (opcode === 1) { + return writeStatement(args[0]); } - else { - if (node.flags & 16) { - write("namespace "); - } - else { - write("module "); - } - if (ts.isExternalModuleAugmentation(node)) { - emitExternalModuleSpecifier(node); + var location = operationLocations[operationIndex]; + switch (opcode) { + case 2: + return writeAssign(args[0], args[1], location); + case 3: + return writeBreak(args[0], location); + case 4: + return writeBreakWhenTrue(args[0], args[1], location); + case 5: + return writeBreakWhenFalse(args[0], args[1], location); + case 6: + return writeYield(args[0], location); + case 7: + return writeYieldStar(args[0], location); + case 8: + return writeReturn(args[0], location); + case 9: + return writeThrow(args[0], location); + } + } + function writeStatement(statement) { + if (statement) { + if (!statements) { + statements = [statement]; } else { - writeTextOfNode(currentText, node.name); + statements.push(statement); } } - while (node.body && node.body.kind !== 227) { - node = node.body; - write("."); - writeTextOfNode(currentText, node.name); + } + function writeAssign(left, right, operationLocation) { + writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); + } + function writeThrow(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createThrow(expression, operationLocation)); + } + function writeReturn(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2), expression] + : [createInstruction(2)]), operationLocation)); + } + function writeBreak(label, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation)); + } + function writeBreakWhenTrue(label, condition, operationLocation) { + writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation))); + } + function writeBreakWhenFalse(label, condition, operationLocation) { + writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ + createInstruction(3), + createLabel(label) + ]), operationLocation))); + } + function writeYield(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(4), expression] + : [createInstruction(4)]), operationLocation)); + } + function writeYieldStar(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(5), + expression + ]), operationLocation)); + } + function writeEndfinally() { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(7) + ]))); + } + } + ts.transformGenerators = transformGenerators; + var _a; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES5(context) { + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + context.enableSubstitution(173); + context.enableSubstitution(253); + return transformSourceFile; + function transformSourceFile(node) { + return node; + } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (ts.isPropertyAccessExpression(node)) { + return substitutePropertyAccessExpression(node); } - var prevEnclosingDeclaration = enclosingDeclaration; - if (node.body) { - enclosingDeclaration = node; - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.body.statements); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; + else if (ts.isPropertyAssignment(node)) { + return substitutePropertyAssignment(node); } - else { - write(";"); + return node; + } + function substitutePropertyAccessExpression(node) { + var literalName = trySubstituteReservedName(node.name); + if (literalName) { + return ts.createElementAccess(node.expression, literalName, node); } + return node; } - function writeTypeAliasDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("type "); - writeTextOfNode(currentText, node.name); - emitTypeParameters(node.typeParameters); - write(" = "); - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); - write(";"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - function getTypeAliasDeclarationVisibilityError() { - return { - diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, - errorNode: node.type, - typeName: node.name - }; + function substitutePropertyAssignment(node) { + var literalName = ts.isIdentifier(node.name) && trySubstituteReservedName(node.name); + if (literalName) { + return ts.updatePropertyAssignment(node, literalName, node.initializer); } + return node; } - function writeEnumDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isConst(node)) { - write("const "); + function trySubstituteReservedName(name) { + var token = name.originalKeywordKind || (ts.nodeIsSynthesized(name) ? ts.stringToToken(name.text) : undefined); + if (token >= 71 && token <= 106) { + return ts.createLiteral(name, name); } - write("enum "); - writeTextOfNode(currentText, node.name); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); + return undefined; } - function emitEnumMemberDeclaration(node) { - emitJsDocComments(node); - writeTextOfNode(currentText, node.name); - var enumMemberValue = resolver.getConstantValue(node); - if (enumMemberValue !== undefined) { - write(" = "); - write(enumMemberValue.toString()); + } + ts.transformES5 = transformES5; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformModule(context) { + var transformModuleDelegates = ts.createMap((_a = {}, + _a[ts.ModuleKind.None] = transformCommonJSModule, + _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, + _a[ts.ModuleKind.AMD] = transformAMDModule, + _a[ts.ModuleKind.UMD] = transformUMDModule, + _a)); + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70); + context.enableSubstitution(188); + context.enableSubstitution(186); + context.enableSubstitution(187); + context.enableSubstitution(254); + context.enableEmitNotification(256); + var currentSourceFile; + var externalImports; + var exportSpecifiers; + var exportEquals; + var bindingNameExportSpecifiersMap; + var bindingNameExportSpecifiersForFileMap = ts.createMap(); + var hasExportStarsToExportValues; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - write(","); - writeLine(); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; + var updated = transformModule_1(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + return updated; + } + return node; + var _a; } - function isPrivateMethodTypeParameter(node) { - return node.parent.kind === 148 && ts.hasModifier(node.parent, 8); + function transformCommonJSModule(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, false); + var updated = updateSourceFile(node, statements); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(updated, 2 | ts.getEmitFlags(node)); + } + return updated; } - function emitTypeParameters(typeParameters) { - function emitTypeParameter(node) { - increaseIndent(); - emitJsDocComments(node); - decreaseIndent(); - writeTextOfNode(currentText, node.name); - if (node.constraint && !isPrivateMethodTypeParameter(node)) { - write(" extends "); - if (node.parent.kind === 157 || - node.parent.kind === 158 || - (node.parent.parent && node.parent.parent.kind === 160)) { - ts.Debug.assert(node.parent.kind === 148 || - node.parent.kind === 147 || - node.parent.kind === 157 || - node.parent.kind === 158 || - node.parent.kind === 152 || - node.parent.kind === 153); - emitType(node.constraint); - } - else { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); - } - } - function getTypeParameterConstraintVisibilityError() { - var diagnosticMessage; - switch (node.parent.kind) { - case 222: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; - break; - case 223: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; - break; - case 153: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 152: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 148: - case 147: - if (ts.hasModifier(node.parent, 32)) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 222) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - break; - case 221: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; - break; - default: - ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - }; + function transformAMDModule(node) { + var define = ts.createIdentifier("define"); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + return transformAsynchronousModule(node, define, moduleName, true); + } + function transformUMDModule(node) { + var define = ts.createIdentifier("define"); + ts.setEmitFlags(define, 16); + return transformAsynchronousModule(node, define, undefined, false); + } + function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { + var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(define, undefined, (moduleName ? [moduleName] : []).concat([ + ts.createArrayLiteral([ + ts.createLiteral("require"), + ts.createLiteral("exports") + ].concat(aliasedModuleNames, unaliasedModuleNames)), + ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ + ts.createParameter("require"), + ts.createParameter("exports") + ].concat(importAliasNames), undefined, transformAsynchronousModuleBody(node)) + ]))) + ]); + } + function transformAsynchronousModuleBody(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, true); + var body = ts.createBlock(statements, undefined, true); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(body, 2); + } + return body; + } + function addExportEqualsIfNeeded(statements, emitAsReturn) { + if (exportEquals) { + if (emitAsReturn) { + var statement = ts.createReturn(exportEquals.expression, exportEquals); + ts.setEmitFlags(statement, 12288 | 49152); + statements.push(statement); + } + else { + var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), exportEquals); + ts.setEmitFlags(statement, 49152); + statements.push(statement); } } - if (typeParameters) { - write("<"); - emitCommaList(typeParameters, emitTypeParameter); - write(">"); + } + function visitor(node) { + switch (node.kind) { + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 237: + return visitExportDeclaration(node); + case 236: + return visitExportAssignment(node); + case 201: + return visitVariableStatement(node); + case 221: + return visitFunctionDeclaration(node); + case 222: + return visitClassDeclaration(node); + case 203: + return visitExpressionStatement(node); + default: + return node; } } - function emitHeritageClause(typeReferences, isImplementsList) { - if (typeReferences) { - write(isImplementsList ? " implements " : " extends "); - emitCommaList(typeReferences, emitTypeOfTypeReference); + function visitImportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; } - function emitTypeOfTypeReference(node) { - if (ts.isEntityNameExpression(node.expression)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); - } - else if (!isImplementsList && node.expression.kind === 94) { - write("null"); + var statements = []; + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (moduleKind !== ts.ModuleKind.AMD) { + if (!node.importClause) { + statements.push(ts.createStatement(createRequireCall(node), node)); } else { - writer.getSymbolAccessibilityDiagnostic = getHeritageClauseVisibilityError; - resolver.writeBaseConstructorTypeOfClass(enclosingDeclaration, enclosingDeclaration, 2 | 1024, writer); - } - function getHeritageClauseVisibilityError() { - var diagnosticMessage; - if (node.parent.parent.kind === 222) { - diagnosticMessage = isImplementsList ? - ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : - ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + var variables = []; + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, createRequireCall(node))); } else { - diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.parent.parent.name - }; - } - } - } - function writeClassDeclaration(node) { - function emitParameterProperties(constructorDeclaration) { - if (constructorDeclaration) { - ts.forEach(constructorDeclaration.parameters, function (param) { - if (ts.hasModifier(param, 92)) { - emitPropertyDeclaration(param); + variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), undefined, createRequireCall(node))); + if (namespaceDeclaration && ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node))); } - }); + } + statements.push(ts.createVariableStatement(undefined, ts.createConstDeclarationList(variables), node)); } } - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.hasModifier(node, 128)) { - write("abstract "); - } - write("class "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - emitHeritageClause([baseTypeNode], false); + else if (namespaceDeclaration && ts.isDefaultImport(node)) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), undefined, ts.getGeneratedNameForNode(node), node) + ]))); } - emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); - write(" {"); - writeLine(); - increaseIndent(); - emitParameterProperties(ts.getFirstConstructorWithBody(node)); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeInterfaceDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("interface "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; + addExportImportAssignments(statements, node); + return ts.singleOrMany(statements); } - function emitPropertyDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; + function visitImportEqualsDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; } - emitJsDocComments(node); - emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); - emitVariableDeclaration(node); - write(";"); - writeLine(); - } - function emitVariableDeclaration(node) { - if (node.kind !== 219 || resolver.isDeclarationVisible(node)) { - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); + ts.setEmitFlags(node.name, 128); + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + if (ts.hasModifier(node, 1)) { + statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), node)); } else { - writeTextOfNode(currentText, node.name); - if ((node.kind === 146 || node.kind === 145 || - (node.kind === 143 && !ts.isParameterPropertyDeclaration(node))) && ts.hasQuestionToken(node)) { - write("?"); - } - if ((node.kind === 146 || node.kind === 145) && node.parent.kind === 160) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (resolver.isLiteralConstDeclaration(node)) { - write(" = "); - resolver.writeLiteralConstValue(node, writer); - } - else if (!ts.hasModifier(node, 8)) { - writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); - } + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), undefined, createRequireCall(node)) + ], undefined, languageVersion >= 2 ? 2 : 0), node)); } } - function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { - if (node.kind === 219) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; - } - else if (node.kind === 146 || node.kind === 145) { - if (ts.hasModifier(node, 32)) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.kind === 222) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; - } + else { + if (ts.hasModifier(node, 1)) { + statements.push(ts.createStatement(createExportAssignment(node.name, node.name), node)); } } - function getVariableDeclarationTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function emitBindingPattern(bindingPattern) { - var elements = []; - for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 194) { - elements.push(element); - } - } - emitCommaList(elements, emitBindingElement); + addExportImportAssignments(statements, node); + return statements; + } + function visitExportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; } - function emitBindingElement(bindingElement) { - function getBindingElementTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: bindingElement, - typeName: bindingElement.name - } : undefined; + var generatedName = ts.getGeneratedNameForNode(node); + if (node.exportClause) { + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(generatedName, undefined, createRequireCall(node)) + ]), node)); } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - writeTextOfNode(currentText, bindingElement.name); - writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); - } + for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); + statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), specifier)); } + return ts.singleOrMany(statements); + } + else { + return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), undefined, [ + moduleKind !== ts.ModuleKind.AMD + ? createRequireCall(node) + : generatedName + ]), node); } } - function emitTypeOfVariableDeclarationFromTypeLiteral(node) { - if (node.type) { - write(": "); - emitType(node.type); + function visitExportAssignment(node) { + if (node.isExportEquals) { + return undefined; } + var statements = []; + addExportDefault(statements, node.expression, node); + return statements; } - function isVariableStatementVisible(node) { - return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); + function addExportDefault(statements, expression, location) { + tryAddExportDefaultCompat(statements); + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); } - function writeVariableStatement(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isLet(node.declarationList)) { - write("let "); - } - else if (ts.isConst(node.declarationList)) { - write("const "); - } - else { - write("var "); + function tryAddExportDefaultCompat(statements) { + var original = ts.getOriginalNode(currentSourceFile); + ts.Debug.assert(original.kind === 256); + if (!original.symbol.exports["___esModule"]) { + if (languageVersion === 0) { + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); + } + else { + statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), undefined, [ + ts.createIdentifier("exports"), + ts.createLiteral("__esModule"), + ts.createObjectLiteral([ + ts.createPropertyAssignment("value", ts.createLiteral(true)) + ]) + ]))); + } } - emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); - write(";"); - writeLine(); } - function emitAccessorDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; + function addExportImportAssignments(statements, node) { + if (ts.isImportEqualsDeclaration(node)) { + addExportMemberAssignments(statements, node.name); } - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - var accessorWithTypeAnnotation; - if (node === accessors.firstAccessor) { - emitJsDocComments(accessors.getAccessor); - emitJsDocComments(accessors.setAccessor); - emitClassMemberDeclarationFlags(ts.getModifierFlags(node) | (accessors.setAccessor ? 0 : 64)); - writeTextOfNode(currentText, node.name); - if (!ts.hasModifier(node, 8)) { - accessorWithTypeAnnotation = node; - var type = getTypeAnnotationFromAccessor(node); - if (!type) { - var anotherAccessor = node.kind === 150 ? accessors.setAccessor : accessors.getAccessor; - type = getTypeAnnotationFromAccessor(anotherAccessor); - if (type) { - accessorWithTypeAnnotation = anotherAccessor; - } - } - writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + else { + var names = ts.reduceEachChild(node, collectExportMembers, []); + for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { + var name_38 = names_1[_i]; + addExportMemberAssignments(statements, name_38); } - write(";"); - writeLine(); } - function getTypeAnnotationFromAccessor(accessor) { - if (accessor) { - return accessor.kind === 150 - ? accessor.type - : accessor.parameters.length > 0 - ? accessor.parameters[0].type - : undefined; + } + function collectExportMembers(names, node) { + if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { + var name_39 = node.name; + if (ts.isIdentifier(name_39)) { + names.push(name_39); } } - function getAccessorDeclarationTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage; - if (accessorWithTypeAnnotation.kind === 151) { - if (ts.hasModifier(accessorWithTypeAnnotation.parent, 32)) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.parameters[0], - typeName: accessorWithTypeAnnotation.name - }; - } - else { - if (ts.hasModifier(accessorWithTypeAnnotation, 32)) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.name, - typeName: undefined - }; + return ts.reduceEachChild(node, collectExportMembers, names); + } + function addExportMemberAssignments(statements, name) { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), specifier.name))); } } } - function writeFunctionDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; + function addExportMemberAssignment(statements, node) { + if (ts.hasModifier(node, 512)) { + addExportDefault(statements, getDeclarationName(node), node); } - if (!resolver.isImplementationOfOverload(node)) { - emitJsDocComments(node); - if (node.kind === 221) { - emitModuleElementDeclarationFlags(node); - } - else if (node.kind === 148 || node.kind === 149) { - emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + else { + statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144), node)); + } + } + function visitVariableStatement(node) { + var originalKind = ts.getOriginalNode(node).kind; + if (originalKind === 226 || + originalKind === 225 || + originalKind === 222) { + if (!ts.hasModifier(node, 1)) { + return node; } - if (node.kind === 221) { - write("function "); - writeTextOfNode(currentText, node.name); + return ts.setOriginalNode(ts.createVariableStatement(undefined, node.declarationList), node); + } + var resultStatements = []; + if (ts.hasModifier(node, 1)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length > 0) { + var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); + resultStatements.push(inlineAssignments); } - else if (node.kind === 149) { - write("constructor"); + } + else { + resultStatements.push(node); + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + addExportMemberAssignmentsForBindingName(resultStatements, decl.name); + } + return resultStatements; + } + function addExportMemberAssignmentsForBindingName(resultStatements, name) { + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + addExportMemberAssignmentsForBindingName(resultStatements, element.name); + } } - else { - writeTextOfNode(currentText, node.name); - if (ts.hasQuestionToken(node)) { - write("?"); + } + else { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + var sourceFileId = ts.getOriginalNodeId(currentSourceFile); + if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { + bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); } + bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; + addExportMemberAssignments(resultStatements, name); } - emitSignatureDeclaration(node); } } - function emitSignatureDeclarationWithJsDocComments(node) { - emitJsDocComments(node); - emitSignatureDeclaration(node); - } - function emitSignatureDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - var closeParenthesizedFunctionType = false; - if (node.kind === 154) { - emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); - write("["); + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); } else { - if (node.kind === 153 || node.kind === 158) { - write("new "); - } - else if (node.kind === 157) { - var currentOutput = writer.getText(); - if (node.typeParameters && currentOutput.charAt(currentOutput.length - 1) === "<") { - closeParenthesizedFunctionType = true; - write("("); - } - } - emitTypeParameters(node.typeParameters); - write("("); + return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); } - emitCommaList(node.parameters, emitParameterDeclaration); - if (node.kind === 154) { - write("]"); + } + function visitFunctionDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1)) { + var isAsync = ts.hasModifier(node, 256); + statements.push(ts.setOriginalNode(ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name, undefined, node.parameters, undefined, node.body, node), node)); + addExportMemberAssignment(statements, node); } else { - write(")"); + statements.push(node); } - var isFunctionTypeOrConstructorType = node.kind === 157 || node.kind === 158; - if (isFunctionTypeOrConstructorType || node.parent.kind === 160) { - if (node.type) { - write(isFunctionTypeOrConstructorType ? " => " : ": "); - emitType(node.type); - } + if (node.name) { + addExportMemberAssignments(statements, node.name); + } + return ts.singleOrMany(statements); + } + function visitClassDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1)) { + statements.push(ts.setOriginalNode(ts.createClassDeclaration(undefined, undefined, name, undefined, node.heritageClauses, node.members, node), node)); + addExportMemberAssignment(statements, node); } - else if (node.kind !== 149 && !ts.hasModifier(node, 8)) { - writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + else { + statements.push(node); } - enclosingDeclaration = prevEnclosingDeclaration; - if (!isFunctionTypeOrConstructorType) { - write(";"); - writeLine(); + if (node.name && !(node.decorators && node.decorators.length)) { + addExportMemberAssignments(statements, node.name); } - else if (closeParenthesizedFunctionType) { - write(")"); + return ts.singleOrMany(statements); + } + function visitExpressionStatement(node) { + var original = ts.getOriginalNode(node); + var origKind = original.kind; + if (origKind === 225 || origKind === 226) { + return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); } - function getReturnTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage; - switch (node.kind) { - case 153: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 152: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 154: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 148: - case 147: - if (ts.hasModifier(node, 32)) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; - } - else if (node.parent.kind === 222) { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; - } - break; - case 221: - diagnosticMessage = symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; - break; - default: - ts.Debug.fail("This is unknown kind for signature: " + node.kind); + else if (origKind === 222) { + var classDecl = original; + if (classDecl.name) { + var statements = [node]; + addExportMemberAssignments(statements, classDecl.name); + return statements; } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node.name || node - }; } + return node; } - function emitParameterDeclaration(node) { - increaseIndent(); - emitJsDocComments(node); - if (node.dotDotDotToken) { - write("..."); + function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { + var statements = [node]; + if (ts.hasModifier(original, 1) && + original.kind === 225 && + ts.isFirstDeclarationOfKind(original, 225)) { + addVarForExportedEnumOrNamespaceDeclaration(statements, original); } - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); + addExportMemberAssignments(statements, original.name); + return statements; + } + function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { + var transformedStatement = ts.createVariableStatement(undefined, [ts.createVariableDeclaration(getDeclarationName(node), undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], node); + ts.setEmitFlags(transformedStatement, 49152); + statements.push(transformedStatement); + } + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256) { + bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + bindingNameExportSpecifiersMap = undefined; } else { - writeTextOfNode(currentText, node.name); + previousOnEmitNode(emitContext, node, emitCallback); } - if (resolver.isOptionalParameter(node)) { - write("?"); + } + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - decreaseIndent(); - if (node.parent.kind === 157 || - node.parent.kind === 158 || - node.parent.parent.kind === 160) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); } - else if (!ts.hasModifier(node.parent, 8)) { - writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); + return node; + } + function substituteShorthandPropertyAssignment(node) { + var name = node.name; + var exportedOrImportedName = substituteExpressionIdentifier(name); + if (exportedOrImportedName !== name) { + if (node.objectAssignmentInitializer) { + var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); + return ts.createPropertyAssignment(name, initializer, node); + } + return ts.createPropertyAssignment(name, exportedOrImportedName, node); } - function getParameterDeclarationTypeVisibilityError(symbolAccessibilityResult) { - var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 188: + return substituteBinaryExpression(node); + case 187: + case 186: + return substituteUnaryExpression(node); } - function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { - switch (node.parent.kind) { - case 149: - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; - case 153: - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - case 152: - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - case 148: - case 147: - if (ts.hasModifier(node.parent, 32)) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 222) { - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccessibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - case 221: - return symbolAccessibilityResult.errorModuleName ? - symbolAccessibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; - default: - ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + return node; + } + function substituteExpressionIdentifier(node) { + return trySubstituteExportedName(node) + || trySubstituteImportedName(node) + || node; + } + function substituteBinaryExpression(node) { + var left = node.left; + if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { + ts.setEmitFlags(node, 128); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, node); + } + return nestedExportAssignment; } } - function emitBindingPattern(bindingPattern) { - if (bindingPattern.kind === 168) { - write("{"); - emitCommaList(bindingPattern.elements, emitBindingElement); - write("}"); - } - else if (bindingPattern.kind === 169) { - write("["); - var elements = bindingPattern.elements; - emitCommaList(elements, emitBindingElement); - if (elements && elements.hasTrailingComma) { - write(", "); + return node; + } + function substituteUnaryExpression(node) { + var operator = node.operator; + var operand = node.operand; + if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { + ts.setEmitFlags(node, 128); + var transformedUnaryExpression = void 0; + if (node.kind === 187) { + transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 ? 58 : 59), ts.createLiteral(1), node); + ts.setEmitFlags(transformedUnaryExpression, 128); } - write("]"); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, transformedUnaryExpression || node); + } + return nestedExportAssignment; } } - function emitBindingElement(bindingElement) { - if (bindingElement.kind === 194) { - write(" "); + return node; + } + function trySubstituteExportedName(node) { + var emitFlags = ts.getEmitFlags(node); + if ((emitFlags & 262144) === 0) { + var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072) !== 0); + if (container) { + if (container.kind === 256) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), node); + } } - else if (bindingElement.kind === 170) { - if (bindingElement.propertyName) { - writeTextOfNode(currentText, bindingElement.propertyName); - write(": "); + } + return undefined; + } + function trySubstituteImportedName(node) { + if ((ts.getEmitFlags(node) & 262144) === 0) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (ts.isImportClause(declaration)) { + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), node); } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - ts.Debug.assert(bindingElement.name.kind === 70); - if (bindingElement.dotDotDotToken) { - write("..."); - } - writeTextOfNode(currentText, bindingElement.name); - } + else if (ts.isImportSpecifier(declaration)) { + var name_40 = declaration.propertyName || declaration.name; + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_40), node); } } } + return undefined; } - function emitNode(node) { - switch (node.kind) { - case 221: - case 226: - case 230: - case 223: - case 222: - case 224: - case 225: - return emitModuleElement(node, isModuleElementVisible(node)); - case 201: - return emitModuleElement(node, isVariableStatementVisible(node)); - case 231: - return emitModuleElement(node, !node.importClause); - case 237: - return emitExportDeclaration(node); - case 149: - case 148: - case 147: - return writeFunctionDeclaration(node); - case 153: - case 152: - case 154: - return emitSignatureDeclarationWithJsDocComments(node); - case 150: - case 151: - return emitAccessorDeclaration(node); - case 146: - case 145: - return emitPropertyDeclaration(node); - case 255: - return emitEnumMemberDeclaration(node); - case 236: - return emitExportAssignment(node); - case 256: - return emitSourceFile(node); - } + function getModuleMemberName(name) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), name, name); } - function writeReferencePath(referencedFile, addBundledFileReference, emitOnlyDtsFiles) { - var declFileName; - var addedBundledEmitReference = false; - if (ts.isDeclarationFile(referencedFile)) { - declFileName = referencedFile.fileName; + function createRequireCall(importNode) { + var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var args = []; + if (ts.isDefined(moduleName)) { + args.push(moduleName); } - else { - ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile, emitOnlyDtsFiles); + return ts.createCall(ts.createIdentifier("require"), undefined, args); + } + function createExportStatement(name, value, location) { + var statement = ts.createStatement(createExportAssignment(name, value)); + statement.startsOnNewLine = true; + if (location) { + ts.setSourceMapRange(statement, location); } - if (declFileName) { - declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false); - referencesOutput += "/// " + newLine; + return statement; + } + function createExportAssignment(name, value) { + return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); + } + function collectAsynchronousDependencies(node, includeNonAmdDependencies) { + var aliasedModuleNames = []; + var unaliasedModuleNames = []; + var importAliasNames = []; + for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { + var amdDependency = _a[_i]; + if (amdDependency.name) { + aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + importAliasNames.push(ts.createParameter(amdDependency.name)); + } + else { + unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + } } - return addedBundledEmitReference; - function getDeclFileName(emitFileNames, _sourceFiles, isBundledEmit) { - if (isBundledEmit && !addBundledFileReference) { - return; + for (var _b = 0, externalImports_1 = externalImports; _b < externalImports_1.length; _b++) { + var importNode = externalImports_1[_b]; + var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); + if (includeNonAmdDependencies && importAliasName) { + ts.setEmitFlags(importAliasName, 128); + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(ts.createParameter(importAliasName)); + } + else { + unaliasedModuleNames.push(externalModuleName); } - ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); - declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; - addedBundledEmitReference = isBundledEmit; } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; } - } - function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) { - var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles); - var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; - if (!emitSkipped) { - var declarationOutput = emitDeclarationResult.referencesOutput - + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); - ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM, sourceFiles); - } - return emitSkipped; - function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { - var appliedSyncOutputPos = 0; - var declarationOutput = ""; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.asynchronousOutput) { - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); - declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); - appliedSyncOutputPos = aliasEmitInfo.outputPos; - } - }); - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); - return declarationOutput; + function updateSourceFile(node, statements) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + return updated; } + var _a; } - ts.writeDeclarationFile = writeDeclarationFile; + ts.transformModule = transformModule; })(ts || (ts = {})); var ts; (function (ts) { - var defaultLastEncodedSourceMapSpan = { - emittedLine: 1, - emittedColumn: 1, - sourceLine: 1, - sourceColumn: 1, - sourceIndex: 0 - }; - function createSourceMapWriter(host, writer) { - var compilerOptions = host.getCompilerOptions(); - var extendedDiagnostics = compilerOptions.extendedDiagnostics; + function transformSystemModule(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70); + context.enableSubstitution(188); + context.enableSubstitution(186); + context.enableSubstitution(187); + context.enableEmitNotification(256); + var exportFunctionForFileMap = []; var currentSourceFile; - var currentSourceText; - var sourceMapDir; - var sourceMapSourceIndex; - var lastRecordedSourceMapSpan; - var lastEncodedSourceMapSpan; - var lastEncodedNameIndex; - var sourceMapData; - var disabled = !(compilerOptions.sourceMap || compilerOptions.inlineSourceMap); - return { - initialize: initialize, - reset: reset, - getSourceMapData: function () { return sourceMapData; }, - setSourceFile: setSourceFile, - emitPos: emitPos, - emitNodeWithSourceMap: emitNodeWithSourceMap, - emitTokenWithSourceMap: emitTokenWithSourceMap, - getText: getText, - getSourceMappingURL: getSourceMappingURL, - }; - function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - if (disabled) { - return; - } - if (sourceMapData) { - reset(); - } - currentSourceFile = undefined; - currentSourceText = undefined; - sourceMapSourceIndex = -1; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; - lastEncodedNameIndex = 0; - sourceMapData = { - sourceMapFilePath: sourceMapFilePath, - jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, - sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), - sourceMapSourceRoot: compilerOptions.sourceRoot || "", - sourceMapSources: [], - inputSourceFileNames: [], - sourceMapNames: [], - sourceMapMappings: "", - sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, - sourceMapDecodedMappings: [] - }; - sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); - if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { - sourceMapData.sourceMapSourceRoot += ts.directorySeparator; - } - if (compilerOptions.mapRoot) { - sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); - if (!isBundledEmit) { - ts.Debug.assert(sourceFiles.length === 1); - sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); - } - if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { - sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); - sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); - } - else { - sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); - } + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var exportFunctionForFile; + var contextObjectForFile; + var exportedLocalNames; + var exportedFunctionDeclarations; + var enclosingBlockScopedContainer; + var currentParent; + var currentNode; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - else { - sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + currentNode = node; + var updated = transformSystemModuleWorker(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + exportedLocalNames = undefined; + exportedFunctionDeclarations = undefined; + return updated; } + return node; } - function reset() { - if (disabled) { - return; - } - currentSourceFile = undefined; - sourceMapDir = undefined; - sourceMapSourceIndex = undefined; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = undefined; - lastEncodedNameIndex = undefined; - sourceMapData = undefined; + function transformSystemModuleWorker(node) { + ts.Debug.assert(!exportFunctionForFile); + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + exportFunctionForFile = ts.createUniqueName("exports"); + contextObjectForFile = ts.createUniqueName("context"); + exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; + var dependencyGroups = collectDependencyGroups(externalImports); + var statements = []; + addSystemModuleBody(statements, node, dependencyGroups); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); + var body = ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ + ts.createParameter(exportFunctionForFile), + ts.createParameter(contextObjectForFile) + ], undefined, ts.setEmitFlags(ts.createBlock(statements, undefined, true), 1)); + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), undefined, moduleName + ? [moduleName, dependencies, body] + : [dependencies, body])) + ], ~1 & ts.getEmitFlags(node)); + var _a; } - function encodeLastRecordedSourceMapSpan() { - if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + function addSystemModuleBody(statements, node, dependencyGroups) { + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, node.statements, !compilerOptions.noImplicitUseStrict, visitSourceElement); + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("__moduleName", undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) + ]))); + var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); + ts.addRange(statements, endLexicalEnvironment()); + ts.addRange(statements, exportedFunctionDeclarations); + var exportStarFunction = addExportStarIfNeeded(statements); + statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ + ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), + ts.createPropertyAssignment("execute", ts.createFunctionExpression(undefined, undefined, undefined, undefined, [], undefined, ts.createBlock(executeStatements, undefined, true))) + ]), true))); + } + function addExportStarIfNeeded(statements) { + if (!hasExportStarsToExportValues) { return; } - var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; - if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { - if (sourceMapData.sourceMapMappings) { - sourceMapData.sourceMapMappings += ","; + if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { + var hasExportDeclarationWithExportClause = false; + for (var _i = 0, externalImports_2 = externalImports; _i < externalImports_2.length; _i++) { + var externalImport = externalImports_2[_i]; + if (externalImport.kind === 237 && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; + } } - } - else { - for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { - sourceMapData.sourceMapMappings += ";"; + if (!hasExportDeclarationWithExportClause) { + return addExportStarFunction(statements, undefined); } - prevEncodedEmittedColumn = 1; - } - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); - if (lastRecordedSourceMapSpan.nameIndex >= 0) { - ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); - lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; - } - lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; - sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); - } - function emitPos(pos) { - if (disabled || ts.positionIsSynthesized(pos)) { - return; - } - if (extendedDiagnostics) { - ts.performance.mark("beforeSourcemap"); - } - var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); - sourceLinePos.line++; - sourceLinePos.character++; - var emittedLine = writer.getLine(); - var emittedColumn = writer.getColumn(); - if (!lastRecordedSourceMapSpan || - lastRecordedSourceMapSpan.emittedLine !== emittedLine || - lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || - (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && - (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || - (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { - encodeLastRecordedSourceMapSpan(); - lastRecordedSourceMapSpan = { - emittedLine: emittedLine, - emittedColumn: emittedColumn, - sourceLine: sourceLinePos.line, - sourceColumn: sourceLinePos.character, - sourceIndex: sourceMapSourceIndex - }; - } - else { - lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; - lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; - lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; - } - if (extendedDiagnostics) { - ts.performance.mark("afterSourcemap"); - ts.performance.measure("Source Map", "beforeSourcemap", "afterSourcemap"); - } - } - function emitNodeWithSourceMap(emitContext, node, emitCallback) { - if (disabled) { - return emitCallback(emitContext, node); } - if (node) { - var emitNode = node.emitNode; - var emitFlags = emitNode && emitNode.flags; - var _a = emitNode && emitNode.sourceMapRange || node, pos = _a.pos, end = _a.end; - if (node.kind !== 287 - && (emitFlags & 512) === 0 - && pos >= 0) { - emitPos(ts.skipTrivia(currentSourceText, pos)); + var exportedNames = []; + if (exportedLocalNames) { + for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { + var exportedLocalName = exportedLocalNames_1[_a]; + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); } - if (emitFlags & 2048) { - disabled = true; - emitCallback(emitContext, node); - disabled = false; + } + for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { + var externalImport = externalImports_3[_b]; + if (externalImport.kind !== 237) { + continue; } - else { - emitCallback(emitContext, node); + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + continue; } - if (node.kind !== 287 - && (emitFlags & 1024) === 0 - && end >= 0) { - emitPos(end); + for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { + var element = _d[_c]; + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); } } + var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); + statements.push(ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exportedNamesStorageRef, undefined, ts.createObjectLiteral(exportedNames, undefined, true)) + ]))); + return addExportStarFunction(statements, exportedNamesStorageRef); } - function emitTokenWithSourceMap(node, token, tokenPos, emitCallback) { - if (disabled) { - return emitCallback(token, tokenPos); - } - var emitNode = node && node.emitNode; - var emitFlags = emitNode && emitNode.flags; - var range = emitNode && emitNode.tokenSourceMapRanges && emitNode.tokenSourceMapRanges[token]; - tokenPos = ts.skipTrivia(currentSourceText, range ? range.pos : tokenPos); - if ((emitFlags & 4096) === 0 && tokenPos >= 0) { - emitPos(tokenPos); - } - tokenPos = emitCallback(token, tokenPos); - if (range) - tokenPos = range.end; - if ((emitFlags & 8192) === 0 && tokenPos >= 0) { - emitPos(tokenPos); + function generateSetters(exportStarFunction, dependencyGroups) { + var setters = []; + for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { + var group = dependencyGroups_1[_i]; + var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); + var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); + var statements = []; + for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { + var entry = _b[_a]; + var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); + switch (entry.kind) { + case 231: + if (!entry.importClause) { + break; + } + case 230: + ts.Debug.assert(importVariableName !== undefined); + statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); + break; + case 237: + ts.Debug.assert(importVariableName !== undefined); + if (entry.exportClause) { + var properties = []; + for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { + var e = _d[_c]; + properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); + } + statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [ts.createObjectLiteral(properties, undefined, true)]))); + } + else { + statements.push(ts.createStatement(ts.createCall(exportStarFunction, undefined, [parameterName]))); + } + break; + } + } + setters.push(ts.createFunctionExpression(undefined, undefined, undefined, undefined, [ts.createParameter(parameterName)], undefined, ts.createBlock(statements, undefined, true))); } - return tokenPos; + return ts.createArrayLiteral(setters, undefined, true); } - function setSourceFile(sourceFile) { - if (disabled) { - return; - } - currentSourceFile = sourceFile; - currentSourceText = currentSourceFile.text; - var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; - var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); - sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); - if (sourceMapSourceIndex === -1) { - sourceMapSourceIndex = sourceMapData.sourceMapSources.length; - sourceMapData.sourceMapSources.push(source); - sourceMapData.inputSourceFileNames.push(currentSourceFile.fileName); - if (compilerOptions.inlineSources) { - sourceMapData.sourceMapSourcesContent.push(currentSourceFile.text); - } + function visitSourceElement(node) { + switch (node.kind) { + case 231: + return visitImportDeclaration(node); + case 230: + return visitImportEqualsDeclaration(node); + case 237: + return visitExportDeclaration(node); + case 236: + return visitExportAssignment(node); + default: + return visitNestedNode(node); } } - function getText() { - if (disabled) { - return; + function visitNestedNode(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var currentGrandparent = currentParent; + currentParent = currentNode; + currentNode = node; + if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { + enclosingBlockScopedContainer = currentParent; } - encodeLastRecordedSourceMapSpan(); - return ts.stringify({ - version: 3, - file: sourceMapData.sourceMapFile, - sourceRoot: sourceMapData.sourceMapSourceRoot, - sources: sourceMapData.sourceMapSources, - names: sourceMapData.sourceMapNames, - mappings: sourceMapData.sourceMapMappings, - sourcesContent: sourceMapData.sourceMapSourcesContent, - }); + var result = visitNestedNodeWorker(node); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return result; } - function getSourceMappingURL() { - if (disabled) { - return; + function visitNestedNodeWorker(node) { + switch (node.kind) { + case 201: + return visitVariableStatement(node); + case 221: + return visitFunctionDeclaration(node); + case 222: + return visitClassDeclaration(node); + case 207: + return visitForStatement(node); + case 208: + return visitForInStatement(node); + case 209: + return visitForOfStatement(node); + case 205: + return visitDoStatement(node); + case 206: + return visitWhileStatement(node); + case 215: + return visitLabeledStatement(node); + case 213: + return visitWithStatement(node); + case 214: + return visitSwitchStatement(node); + case 228: + return visitCaseBlock(node); + case 249: + return visitCaseClause(node); + case 250: + return visitDefaultClause(node); + case 217: + return visitTryStatement(node); + case 252: + return visitCatchClause(node); + case 200: + return visitBlock(node); + case 203: + return visitExpressionStatement(node); + default: + return node; } - if (compilerOptions.inlineSourceMap) { - var base64SourceMapText = ts.convertToBase64(getText()); - return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; + } + function visitImportDeclaration(node) { + if (node.importClause && ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } - else { - return sourceMapData.jsSourceMappingURL; + return undefined; + } + function visitImportEqualsDeclaration(node) { + if (ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } + return undefined; } - } - ts.createSourceMapWriter = createSourceMapWriter; - var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - function base64FormatEncode(inValue) { - if (inValue < 64) { - return base64Chars.charAt(inValue); + function visitExportDeclaration(node) { + if (!node.moduleSpecifier) { + var statements = []; + ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); + return statements; + } + return undefined; } - throw TypeError(inValue + ": not a 64 based value"); - } - function base64VLQFormatEncode(inValue) { - if (inValue < 0) { - inValue = ((-inValue) << 1) + 1; + function visitExportSpecifier(specifier) { + recordExportName(specifier.name); + return createExportStatement(specifier.name, specifier.propertyName || specifier.name); } - else { - inValue = inValue << 1; + function visitExportAssignment(node) { + if (node.isExportEquals) { + return undefined; + } + return createExportStatement(ts.createLiteral("default"), node.expression); } - var encodedStr = ""; - do { - var currentDigit = inValue & 31; - inValue = inValue >> 5; - if (inValue > 0) { - currentDigit = currentDigit | 32; + function visitVariableStatement(node) { + var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3) == 0) || + enclosingBlockScopedContainer.kind === 256; + if (!shouldHoist) { + return node; } - encodedStr = encodedStr + base64FormatEncode(currentDigit); - } while (inValue > 0); - return encodedStr; - } -})(ts || (ts = {})); -var ts; -(function (ts) { - function createCommentWriter(host, writer, sourceMap) { - var compilerOptions = host.getCompilerOptions(); - var extendedDiagnostics = compilerOptions.extendedDiagnostics; - var newLine = host.getNewLine(); - var emitPos = sourceMap.emitPos; - var containerPos = -1; - var containerEnd = -1; - var declarationListContainerEnd = -1; - var currentSourceFile; - var currentText; - var currentLineMap; - var detachedCommentsInfo; - var hasWrittenComment = false; - var disabled = compilerOptions.removeComments; - return { - reset: reset, - setSourceFile: setSourceFile, - emitNodeWithComments: emitNodeWithComments, - emitBodyWithDetachedComments: emitBodyWithDetachedComments, - emitTrailingCommentsOfPosition: emitTrailingCommentsOfPosition, - }; - function emitNodeWithComments(emitContext, node, emitCallback) { - if (disabled) { - emitCallback(emitContext, node); + var isExported = ts.hasModifier(node, 1); + var expressions = []; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, isExported); + if (visited) { + expressions.push(visited); + } + } + if (expressions.length) { + return ts.createStatement(ts.inlineExpressions(expressions), node); + } + return undefined; + } + function transformVariable(node, isExported) { + hoistBindingElement(node, isExported); + if (!node.initializer) { return; } - if (node) { - var _a = ts.getCommentRange(node), pos = _a.pos, end = _a.end; - var emitFlags = ts.getEmitFlags(node); - if ((pos < 0 && end < 0) || (pos === end)) { - if (emitFlags & 65536) { - disabled = true; - emitCallback(emitContext, node); - disabled = false; - } - else { - emitCallback(emitContext, node); - } - } - else { - if (extendedDiagnostics) { - ts.performance.mark("preEmitNodeWithComment"); - } - var isEmittedNode = node.kind !== 287; - var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; - var skipTrailingComments = end < 0 || (emitFlags & 32768) !== 0; - if (!skipLeadingComments) { - emitLeadingComments(pos, isEmittedNode); - } - var savedContainerPos = containerPos; - var savedContainerEnd = containerEnd; - var savedDeclarationListContainerEnd = declarationListContainerEnd; - if (!skipLeadingComments) { - containerPos = pos; - } - if (!skipTrailingComments) { - containerEnd = end; - if (node.kind === 220) { - declarationListContainerEnd = end; - } - } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "preEmitNodeWithComment"); - } - if (emitFlags & 65536) { - disabled = true; - emitCallback(emitContext, node); - disabled = false; - } - else { - emitCallback(emitContext, node); - } - if (extendedDiagnostics) { - ts.performance.mark("beginEmitNodeWithComment"); - } - containerPos = savedContainerPos; - containerEnd = savedContainerEnd; - declarationListContainerEnd = savedDeclarationListContainerEnd; - if (!skipTrailingComments && isEmittedNode) { - emitTrailingComments(end); - } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "beginEmitNodeWithComment"); - } - } + var name = node.name; + if (ts.isIdentifier(name)) { + return ts.createAssignment(name, node.initializer); + } + else { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); } } - function emitBodyWithDetachedComments(node, detachedRange, emitCallback) { - if (extendedDiagnostics) { - ts.performance.mark("preEmitBodyWithDetachedComments"); + function visitFunctionDeclaration(node) { + if (ts.hasModifier(node, 1)) { + var name_41 = node.name || ts.getGeneratedNameForNode(node); + var isAsync = ts.hasModifier(node, 256); + var newNode = ts.createFunctionDeclaration(undefined, isAsync ? [ts.createNode(119)] : undefined, node.asteriskToken, name_41, undefined, node.parameters, undefined, node.body, node); + recordExportedFunctionDeclaration(node); + if (!ts.hasModifier(node, 512)) { + recordExportName(name_41); + } + ts.setOriginalNode(newNode, node); + node = newNode; } - var pos = detachedRange.pos, end = detachedRange.end; - var emitFlags = ts.getEmitFlags(node); - var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; - var skipTrailingComments = disabled || end < 0 || (emitFlags & 32768) !== 0; - if (!skipLeadingComments) { - emitDetachedCommentsAndUpdateCommentsInfo(detachedRange); + hoistFunctionDeclaration(node); + return undefined; + } + function visitExpressionStatement(node) { + var originalNode = ts.getOriginalNode(node); + if ((originalNode.kind === 226 || originalNode.kind === 225) && ts.hasModifier(originalNode, 1)) { + var name_42 = getDeclarationName(originalNode); + if (originalNode.kind === 225) { + hoistVariableDeclaration(name_42); + } + return [ + node, + createExportStatement(name_42, name_42) + ]; } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "preEmitBodyWithDetachedComments"); + return node; + } + function visitClassDeclaration(node) { + var name = getDeclarationName(node); + hoistVariableDeclaration(name); + var statements = []; + statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression(undefined, node.name, undefined, node.heritageClauses, node.members, node)), node)); + if (ts.hasModifier(node, 1)) { + if (!ts.hasModifier(node, 512)) { + recordExportName(name); + } + statements.push(createDeclarationExport(node)); } - if (emitFlags & 65536 && !disabled) { - disabled = true; - emitCallback(node); - disabled = false; + return statements; + } + function shouldHoistLoopInitializer(node) { + return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3) === 0; + } + function visitForStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var expressions = []; + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, false); + if (visited) { + expressions.push(visited); + } + } + ; + return ts.createFor(expressions.length + ? ts.inlineExpressions(expressions) + : ts.createSynthesizedNode(194), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), node); } else { - emitCallback(node); - } - if (extendedDiagnostics) { - ts.performance.mark("beginEmitBodyWithDetachedCommetns"); + return ts.visitEachChild(node, visitNestedNode, context); } - if (!skipTrailingComments) { - emitLeadingComments(detachedRange.end, true); + } + function transformForBinding(node) { + var firstDeclaration = ts.firstOrUndefined(node.declarations); + hoistBindingElement(firstDeclaration, false); + var name = firstDeclaration.name; + return ts.isIdentifier(name) + ? name + : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); + } + function visitForInStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + return updated; } - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "beginEmitBodyWithDetachedCommetns"); + else { + return ts.visitEachChild(node, visitNestedNode, context); } } - function emitLeadingComments(pos, isEmittedNode) { - hasWrittenComment = false; - if (isEmittedNode) { - forEachLeadingCommentToEmit(pos, emitLeadingComment); + function visitForOfStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + return updated; } - else if (pos === 0) { - forEachLeadingCommentToEmit(pos, emitTripleSlashLeadingComment); + else { + return ts.visitEachChild(node, visitNestedNode, context); } } - function emitTripleSlashLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) { - if (isTripleSlashComment(commentPos, commentEnd)) { - emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos); + function visitDoStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } + return node; } - function emitLeadingComment(commentPos, commentEnd, _kind, hasTrailingNewLine, rangePos) { - if (!hasWrittenComment) { - ts.emitNewLineBeforeLeadingCommentOfPosition(currentLineMap, writer, rangePos, commentPos); - hasWrittenComment = true; + function visitWhileStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - emitPos(commentPos); - ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - if (hasTrailingNewLine) { - writer.writeLine(); + return node; + } + function visitLabeledStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - else { - writer.write(" "); + return node; + } + function visitWithStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } + return node; } - function emitTrailingComments(pos) { - forEachTrailingCommentToEmit(pos, emitTrailingComment); + function visitSwitchStatement(node) { + var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); + if (caseBlock !== node.caseBlock) { + var updated = ts.getMutableClone(node); + updated.caseBlock = caseBlock; + return updated; + } + return node; } - function emitTrailingComment(commentPos, commentEnd, _kind, hasTrailingNewLine) { - if (!writer.isAtStartOfLine()) { - writer.write(" "); + function visitCaseBlock(node) { + var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); + if (clauses !== node.clauses) { + var updated = ts.getMutableClone(node); + updated.clauses = clauses; + return updated; } - emitPos(commentPos); - ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - if (hasTrailingNewLine) { - writer.writeLine(); + return node; + } + function visitCaseClause(node) { + var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); + if (statements !== node.statements) { + var updated = ts.getMutableClone(node); + updated.statements = statements; + return updated; } + return node; } - function emitTrailingCommentsOfPosition(pos) { - if (disabled) { - return; + function visitDefaultClause(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function visitTryStatement(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function visitCatchClause(node) { + var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); + if (block !== node.block) { + var updated = ts.getMutableClone(node); + updated.block = block; + return updated; } - if (extendedDiagnostics) { - ts.performance.mark("beforeEmitTrailingCommentsOfPosition"); + return node; + } + function visitBlock(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256) { + exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + exportFunctionForFile = undefined; } - forEachTrailingCommentToEmit(pos, emitTrailingCommentOfPosition); - if (extendedDiagnostics) { - ts.performance.measure("commentTime", "beforeEmitTrailingCommentsOfPosition"); + else { + previousOnEmitNode(emitContext, node, emitCallback); } } - function emitTrailingCommentOfPosition(commentPos, commentEnd, _kind, hasTrailingNewLine) { - emitPos(commentPos); - ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - if (hasTrailingNewLine) { - writer.writeLine(); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1) { + return substituteExpression(node); } - else { - writer.write(" "); + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 70: + return substituteExpressionIdentifier(node); + case 188: + return substituteBinaryExpression(node); + case 186: + case 187: + return substituteUnaryExpression(node); } + return node; } - function forEachLeadingCommentToEmit(pos, cb) { - if (containerPos === -1 || pos !== containerPos) { - if (hasDetachedComments(pos)) { - forEachLeadingCommentWithoutDetachedComments(cb); - } - else { - ts.forEachLeadingCommentRange(currentText, pos, cb, pos); + function substituteExpressionIdentifier(node) { + var importDeclaration = resolver.getReferencedImportDeclaration(node); + if (importDeclaration) { + var importBinding = createImportBinding(importDeclaration); + if (importBinding) { + return importBinding; } } + return node; } - function forEachTrailingCommentToEmit(end, cb) { - if (containerEnd === -1 || (end !== containerEnd && end !== declarationListContainerEnd)) { - ts.forEachTrailingCommentRange(currentText, end, cb); + function substituteBinaryExpression(node) { + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return substituteAssignmentExpression(node); } + return node; } - function reset() { - currentSourceFile = undefined; - currentText = undefined; - currentLineMap = undefined; - detachedCommentsInfo = undefined; + function substituteAssignmentExpression(node) { + ts.setEmitFlags(node, 128); + var left = node.left; + switch (left.kind) { + case 70: + var exportDeclaration = resolver.getReferencedExportContainer(left); + if (exportDeclaration) { + return createExportExpression(left, node); + } + break; + case 172: + case 171: + if (hasExportedReferenceInDestructuringPattern(left)) { + return substituteDestructuring(node); + } + break; + } + return node; } - function setSourceFile(sourceFile) { - currentSourceFile = sourceFile; - currentText = currentSourceFile.text; - currentLineMap = ts.getLineStarts(currentSourceFile); - detachedCommentsInfo = undefined; + function isExportedBinding(name) { + var container = resolver.getReferencedExportContainer(name); + return container && container.kind === 256; } - function hasDetachedComments(pos) { - return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; + function hasExportedReferenceInDestructuringPattern(node) { + switch (node.kind) { + case 70: + return isExportedBinding(node); + case 172: + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var property = _a[_i]; + if (hasExportedReferenceInObjectDestructuringElement(property)) { + return true; + } + } + break; + case 171: + for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { + var element = _c[_b]; + if (hasExportedReferenceInArrayDestructuringElement(element)) { + return true; + } + } + break; + } + return false; } - function forEachLeadingCommentWithoutDetachedComments(cb) { - var pos = ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos; - if (detachedCommentsInfo.length - 1) { - detachedCommentsInfo.pop(); + function hasExportedReferenceInObjectDestructuringElement(node) { + if (ts.isShorthandPropertyAssignment(node)) { + return isExportedBinding(node.name); + } + else if (ts.isPropertyAssignment(node)) { + return hasExportedReferenceInDestructuringElement(node.initializer); } else { - detachedCommentsInfo = undefined; + return false; } - ts.forEachLeadingCommentRange(currentText, pos, cb, pos); } - function emitDetachedCommentsAndUpdateCommentsInfo(range) { - var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, range, newLine, disabled); - if (currentDetachedCommentInfo) { - if (detachedCommentsInfo) { - detachedCommentsInfo.push(currentDetachedCommentInfo); - } - else { - detachedCommentsInfo = [currentDetachedCommentInfo]; - } + function hasExportedReferenceInArrayDestructuringElement(node) { + if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else { + return hasExportedReferenceInDestructuringElement(node); } } - function writeComment(text, lineMap, writer, commentPos, commentEnd, newLine) { - emitPos(commentPos); - ts.writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine); - emitPos(commentEnd); - } - function isTripleSlashComment(commentPos, commentEnd) { - if (currentText.charCodeAt(commentPos + 1) === 47 && - commentPos + 2 < commentEnd && - currentText.charCodeAt(commentPos + 2) === 47) { - var textSubStr = currentText.substring(commentPos, commentEnd); - return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || - textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? - true : false; + function hasExportedReferenceInDestructuringElement(node) { + if (ts.isBinaryExpression(node)) { + var left = node.left; + return node.operatorToken.kind === 57 + && isDestructuringPattern(left) + && hasExportedReferenceInDestructuringPattern(left); + } + else if (ts.isIdentifier(node)) { + return isExportedBinding(node); + } + else if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else if (isDestructuringPattern(node)) { + return hasExportedReferenceInDestructuringPattern(node); + } + else { + return false; } - return false; } - } - ts.createCommentWriter = createCommentWriter; -})(ts || (ts = {})); -var ts; -(function (ts) { - var TempFlags; - (function (TempFlags) { - TempFlags[TempFlags["Auto"] = 0] = "Auto"; - TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; - TempFlags[TempFlags["_i"] = 268435456] = "_i"; - })(TempFlags || (TempFlags = {})); - var id = function (s) { return s; }; - var nullTransformers = [function (_) { return id; }]; - function emitFiles(resolver, host, targetSourceFile, emitOnlyDtsFiles) { - var delimiters = createDelimiterMap(); - var brackets = createBracketsMap(); - var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; - var assignHelper = "\nvar __assign = (this && this.__assign) || Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n};"; - var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; - var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; - var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; - var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; - var generatorHelper = "\nvar __generator = (this && this.__generator) || function (thisArg, body) {\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;\n return { next: verb(0), \"throw\": verb(1), \"return\": verb(2) };\n function verb(n) { return function (v) { return step([n, v]); }; }\n function step(op) {\n if (f) throw new TypeError(\"Generator is already executing.\");\n while (_) try {\n if (f = 1, y && (t = y[op[0] & 2 ? \"return\" : op[0] ? \"throw\" : \"next\"]) && !(t = t.call(y, op[1])).done) return t;\n if (y = 0, t) op = [0, t.value];\n switch (op[0]) {\n case 0: case 1: t = op; break;\n case 4: _.label++; return { value: op[1], done: false };\n case 5: _.label++; y = op[1]; op = [0]; continue;\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\n default:\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n if (t[2]) _.ops.pop();\n _.trys.pop(); continue;\n }\n op = body.call(thisArg, _);\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n }\n};"; - var exportStarHelper = "\nfunction __export(m) {\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\n}"; - var umdHelper = "\n(function (dependencies, factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define(dependencies, factory);\n }\n})"; - var superHelper = "\nconst _super = name => super[name];"; - var advancedSuperHelper = "\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; - var emittedFilesList = compilerOptions.listEmittedFiles ? [] : undefined; - var emitterDiagnostics = ts.createDiagnosticCollection(); - var newLine = host.getNewLine(); - var transformers = emitOnlyDtsFiles ? nullTransformers : ts.getTransformers(compilerOptions); - var writer = ts.createTextWriter(newLine); - var write = writer.write, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; - var sourceMap = ts.createSourceMapWriter(host, writer); - var emitNodeWithSourceMap = sourceMap.emitNodeWithSourceMap, emitTokenWithSourceMap = sourceMap.emitTokenWithSourceMap; - var comments = ts.createCommentWriter(host, writer, sourceMap); - var emitNodeWithComments = comments.emitNodeWithComments, emitBodyWithDetachedComments = comments.emitBodyWithDetachedComments, emitTrailingCommentsOfPosition = comments.emitTrailingCommentsOfPosition; - var nodeIdToGeneratedName; - var autoGeneratedIdToGeneratedName; - var generatedNameSet; - var tempFlags; - var currentSourceFile; - var currentText; - var currentFileIdentifiers; - var extendsEmitted; - var assignEmitted; - var decorateEmitted; - var paramEmitted; - var awaiterEmitted; - var isOwnFileEmit; - var emitSkipped = false; - var sourceFiles = ts.getSourceFilesToEmit(host, targetSourceFile); - ts.performance.mark("beforeTransform"); - var _a = ts.transformFiles(resolver, host, sourceFiles, transformers), transformed = _a.transformed, emitNodeWithSubstitution = _a.emitNodeWithSubstitution, emitNodeWithNotification = _a.emitNodeWithNotification; - ts.performance.measure("transformTime", "beforeTransform"); - ts.performance.mark("beforePrint"); - ts.forEachTransformedEmitFile(host, transformed, emitFile, emitOnlyDtsFiles); - ts.performance.measure("printTime", "beforePrint"); - for (var _b = 0, sourceFiles_4 = sourceFiles; _b < sourceFiles_4.length; _b++) { - var sourceFile = sourceFiles_4[_b]; - ts.disposeEmitNodes(sourceFile); + function isDestructuringPattern(node) { + var kind = node.kind; + return kind === 70 + || kind === 172 + || kind === 171; } - return { - emitSkipped: emitSkipped, - diagnostics: emitterDiagnostics.getDiagnostics(), - emittedFiles: emittedFilesList, - sourceMaps: sourceMapDataList - }; - function emitFile(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, isBundledEmit) { - if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { - if (!emitOnlyDtsFiles) { - printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + function substituteDestructuring(node) { + return ts.flattenDestructuringAssignment(context, node, true, hoistVariableDeclaration); + } + function substituteUnaryExpression(node) { + var operand = node.operand; + var operator = node.operator; + var substitute = ts.isIdentifier(operand) && + (node.kind === 187 || + (node.kind === 186 && (operator === 42 || operator === 43))); + if (substitute) { + var exportDeclaration = resolver.getReferencedExportContainer(operand); + if (exportDeclaration) { + var expr = ts.createPrefix(node.operator, operand, node); + ts.setEmitFlags(expr, 128); + var call = createExportExpression(operand, expr); + if (node.kind === 186) { + return call; + } + else { + return operator === 42 + ? ts.createSubtract(call, ts.createLiteral(1)) + : ts.createAdd(call, ts.createLiteral(1)); + } } } - else { - emitSkipped = true; + return node; + } + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function addExportStarFunction(statements, localNames) { + var exportStarFunction = ts.createUniqueName("exportStar"); + var m = ts.createIdentifier("m"); + var n = ts.createIdentifier("n"); + var exports = ts.createIdentifier("exports"); + var condition = ts.createStrictInequality(n, ts.createLiteral("default")); + if (localNames) { + condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + } + statements.push(ts.createFunctionDeclaration(undefined, undefined, undefined, exportStarFunction, undefined, [ts.createParameter(m)], undefined, ts.createBlock([ + ts.createVariableStatement(undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exports, undefined, ts.createObjectLiteral([])) + ])), + ts.createForIn(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(n, undefined) + ]), m, ts.createBlock([ + ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32) + ])), + ts.createStatement(ts.createCall(exportFunctionForFile, undefined, [exports])) + ], undefined, true))); + return exportStarFunction; + } + function createExportExpression(name, value) { + var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; + return ts.createCall(exportFunctionForFile, undefined, [exportName, value]); + } + function createExportStatement(name, value) { + return ts.createStatement(createExportExpression(name, value)); + } + function createDeclarationExport(node) { + var declarationName = getDeclarationName(node); + var exportName = ts.hasModifier(node, 512) ? ts.createLiteral("default") : declarationName; + return createExportStatement(exportName, declarationName); + } + function createImportBinding(importDeclaration) { + var importAlias; + var name; + if (ts.isImportClause(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); + name = ts.createIdentifier("default"); } - if (declarationFilePath) { - emitSkipped = ts.writeDeclarationFile(declarationFilePath, ts.getOriginalSourceFiles(sourceFiles), isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) || emitSkipped; + else if (ts.isImportSpecifier(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); + name = importDeclaration.propertyName || importDeclaration.name; } - if (!emitSkipped && emittedFilesList) { - if (!emitOnlyDtsFiles) { - emittedFilesList.push(jsFilePath); - } - if (sourceMapFilePath) { - emittedFilesList.push(sourceMapFilePath); - } - if (declarationFilePath) { - emittedFilesList.push(declarationFilePath); - } + else { + return undefined; } + return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); } - function printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - nodeIdToGeneratedName = []; - autoGeneratedIdToGeneratedName = []; - generatedNameSet = ts.createMap(); - isOwnFileEmit = !isBundledEmit; - if (isBundledEmit && moduleKind) { - for (var _a = 0, sourceFiles_5 = sourceFiles; _a < sourceFiles_5.length; _a++) { - var sourceFile = sourceFiles_5[_a]; - emitEmitHelpers(sourceFile); + function collectDependencyGroups(externalImports) { + var groupIndices = ts.createMap(); + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var externalImport = externalImports[i]; + var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); + var text = externalModuleName.text; + if (ts.hasProperty(groupIndices, text)) { + var groupIndex = groupIndices[text]; + dependencyGroups[groupIndex].externalImports.push(externalImport); + continue; + } + else { + groupIndices[text] = dependencyGroups.length; + dependencyGroups.push({ + name: externalModuleName, + externalImports: [externalImport] + }); } } - ts.forEach(sourceFiles, printSourceFile); - writeLine(); - var sourceMappingURL = sourceMap.getSourceMappingURL(); - if (sourceMappingURL) { - write("//# " + "sourceMappingURL" + "=" + sourceMappingURL); - } - if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { - ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); - } - if (sourceMapDataList) { - sourceMapDataList.push(sourceMap.getSourceMapData()); - } - ts.writeFile(host, emitterDiagnostics, jsFilePath, writer.getText(), compilerOptions.emitBOM); - sourceMap.reset(); - comments.reset(); - writer.reset(); - tempFlags = 0; - currentSourceFile = undefined; - currentText = undefined; - extendsEmitted = false; - assignEmitted = false; - decorateEmitted = false; - paramEmitted = false; - awaiterEmitted = false; - isOwnFileEmit = false; - } - function printSourceFile(node) { - currentSourceFile = node; - currentText = node.text; - currentFileIdentifiers = node.identifiers; - sourceMap.setSourceFile(node); - comments.setSourceFile(node); - pipelineEmitWithNotification(0, node); - } - function emit(node) { - pipelineEmitWithNotification(3, node); - } - function emitIdentifierName(node) { - pipelineEmitWithNotification(2, node); + return dependencyGroups; } - function emitExpression(node) { - pipelineEmitWithNotification(1, node); + function getNameOfDependencyGroup(dependencyGroup) { + return dependencyGroup.name; } - function pipelineEmitWithNotification(emitContext, node) { - emitNodeWithNotification(emitContext, node, pipelineEmitWithComments); + function recordExportName(name) { + if (!exportedLocalNames) { + exportedLocalNames = []; + } + exportedLocalNames.push(name); } - function pipelineEmitWithComments(emitContext, node) { - if (emitContext === 0) { - pipelineEmitWithSourceMap(emitContext, node); - return; + function recordExportedFunctionDeclaration(node) { + if (!exportedFunctionDeclarations) { + exportedFunctionDeclarations = []; } - emitNodeWithComments(emitContext, node, pipelineEmitWithSourceMap); + exportedFunctionDeclarations.push(createDeclarationExport(node)); } - function pipelineEmitWithSourceMap(emitContext, node) { - if (emitContext === 0 - || emitContext === 2) { - pipelineEmitWithSubstitution(emitContext, node); + function hoistBindingElement(node, isExported) { + if (ts.isOmittedExpression(node)) { return; } - emitNodeWithSourceMap(emitContext, node, pipelineEmitWithSubstitution); + var name = node.name; + if (ts.isIdentifier(name)) { + hoistVariableDeclaration(ts.getSynthesizedClone(name)); + if (isExported) { + recordExportName(name); + } + } + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); + } } - function pipelineEmitWithSubstitution(emitContext, node) { - emitNodeWithSubstitution(emitContext, node, pipelineEmitForContext); + function hoistExportedBindingElement(node) { + hoistBindingElement(node, true); } - function pipelineEmitForContext(emitContext, node) { - switch (emitContext) { - case 0: return pipelineEmitInSourceFileContext(node); - case 2: return pipelineEmitInIdentifierNameContext(node); - case 3: return pipelineEmitInUnspecifiedContext(node); - case 1: return pipelineEmitInExpressionContext(node); - } + function hoistNonExportedBindingElement(node) { + hoistBindingElement(node, false); } - function pipelineEmitInSourceFileContext(node) { - var kind = node.kind; - switch (kind) { - case 256: - return emitSourceFile(node); - } + function updateSourceFile(node, statements, nodeEmitFlags) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + ts.setEmitFlags(updated, nodeEmitFlags); + return updated; } - function pipelineEmitInIdentifierNameContext(node) { - var kind = node.kind; - switch (kind) { - case 70: - return emitIdentifier(node); + } + ts.transformSystemModule = transformSystemModule; +})(ts || (ts = {})); +var ts; +(function (ts) { + function transformES2015Module(context) { + var compilerOptions = context.getCompilerOptions(); + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + return ts.visitEachChild(node, visitor, context); + } + return node; } - function pipelineEmitInUnspecifiedContext(node) { - var kind = node.kind; - switch (kind) { - case 13: - case 14: - case 15: - return emitLiteral(node); - case 70: - return emitIdentifier(node); - case 75: - case 78: - case 83: - case 104: - case 111: - case 112: - case 113: - case 114: - case 116: - case 117: - case 118: - case 119: - case 120: - case 121: - case 122: - case 123: - case 124: - case 125: - case 126: - case 127: - case 128: - case 129: - case 130: - case 131: - case 132: - case 133: - case 134: - case 135: - case 136: - case 137: - case 138: - case 139: - writeTokenText(kind); - return; - case 140: - return emitQualifiedName(node); - case 141: - return emitComputedPropertyName(node); - case 142: - return emitTypeParameter(node); - case 143: - return emitParameter(node); - case 144: - return emitDecorator(node); - case 145: - return emitPropertySignature(node); - case 146: - return emitPropertyDeclaration(node); - case 147: - return emitMethodSignature(node); - case 148: - return emitMethodDeclaration(node); - case 149: - return emitConstructor(node); - case 150: - case 151: - return emitAccessorDeclaration(node); - case 152: - return emitCallSignature(node); - case 153: - return emitConstructSignature(node); - case 154: - return emitIndexSignature(node); - case 155: - return emitTypePredicate(node); - case 156: - return emitTypeReference(node); - case 157: - return emitFunctionType(node); - case 158: - return emitConstructorType(node); - case 159: - return emitTypeQuery(node); - case 160: - return emitTypeLiteral(node); - case 161: - return emitArrayType(node); - case 162: - return emitTupleType(node); - case 163: - return emitUnionType(node); - case 164: - return emitIntersectionType(node); - case 165: - return emitParenthesizedType(node); - case 195: - return emitExpressionWithTypeArguments(node); - case 166: - return emitThisType(); - case 167: - return emitLiteralType(node); - case 168: - return emitObjectBindingPattern(node); - case 169: - return emitArrayBindingPattern(node); - case 170: - return emitBindingElement(node); - case 198: - return emitTemplateSpan(node); - case 199: - return emitSemicolonClassElement(); - case 200: - return emitBlock(node); - case 201: - return emitVariableStatement(node); - case 202: - return emitEmptyStatement(); - case 203: - return emitExpressionStatement(node); - case 204: - return emitIfStatement(node); - case 205: - return emitDoStatement(node); - case 206: - return emitWhileStatement(node); - case 207: - return emitForStatement(node); - case 208: - return emitForInStatement(node); - case 209: - return emitForOfStatement(node); - case 210: - return emitContinueStatement(node); - case 211: - return emitBreakStatement(node); - case 212: - return emitReturnStatement(node); - case 213: - return emitWithStatement(node); - case 214: - return emitSwitchStatement(node); - case 215: - return emitLabeledStatement(node); - case 216: - return emitThrowStatement(node); - case 217: - return emitTryStatement(node); - case 218: - return emitDebuggerStatement(node); - case 219: - return emitVariableDeclaration(node); - case 220: - return emitVariableDeclarationList(node); - case 221: - return emitFunctionDeclaration(node); - case 222: - return emitClassDeclaration(node); - case 223: - return emitInterfaceDeclaration(node); - case 224: - return emitTypeAliasDeclaration(node); - case 225: - return emitEnumDeclaration(node); - case 226: - return emitModuleDeclaration(node); - case 227: - return emitModuleBlock(node); - case 228: - return emitCaseBlock(node); + function visitor(node) { + switch (node.kind) { case 230: - return emitImportEqualsDeclaration(node); - case 231: - return emitImportDeclaration(node); - case 232: - return emitImportClause(node); - case 233: - return emitNamespaceImport(node); - case 234: - return emitNamedImports(node); - case 235: - return emitImportSpecifier(node); + return undefined; case 236: - return emitExportAssignment(node); - case 237: - return emitExportDeclaration(node); - case 238: - return emitNamedExports(node); - case 239: - return emitExportSpecifier(node); - case 240: - return; - case 241: - return emitExternalModuleReference(node); - case 10: - return emitJsxText(node); - case 244: - return emitJsxOpeningElement(node); - case 245: - return emitJsxClosingElement(node); - case 246: - return emitJsxAttribute(node); - case 247: - return emitJsxSpreadAttribute(node); - case 248: - return emitJsxExpression(node); - case 249: - return emitCaseClause(node); - case 250: - return emitDefaultClause(node); - case 251: - return emitHeritageClause(node); - case 252: - return emitCatchClause(node); - case 253: - return emitPropertyAssignment(node); - case 254: - return emitShorthandPropertyAssignment(node); - case 255: - return emitEnumMember(node); - } - if (ts.isExpression(node)) { - return pipelineEmitWithSubstitution(1, node); + return visitExportAssignment(node); } + return node; } - function pipelineEmitInExpressionContext(node) { - var kind = node.kind; - switch (kind) { - case 8: - return emitNumericLiteral(node); - case 9: - case 11: - case 12: - return emitLiteral(node); - case 70: - return emitIdentifier(node); - case 85: - case 94: - case 96: - case 100: - case 98: - writeTokenText(kind); - return; - case 171: - return emitArrayLiteralExpression(node); - case 172: - return emitObjectLiteralExpression(node); - case 173: - return emitPropertyAccessExpression(node); - case 174: - return emitElementAccessExpression(node); - case 175: - return emitCallExpression(node); - case 176: - return emitNewExpression(node); - case 177: - return emitTaggedTemplateExpression(node); - case 178: - return emitTypeAssertionExpression(node); - case 179: - return emitParenthesizedExpression(node); - case 180: - return emitFunctionExpression(node); - case 181: - return emitArrowFunction(node); - case 182: - return emitDeleteExpression(node); - case 183: - return emitTypeOfExpression(node); - case 184: - return emitVoidExpression(node); - case 185: - return emitAwaitExpression(node); - case 186: - return emitPrefixUnaryExpression(node); - case 187: - return emitPostfixUnaryExpression(node); - case 188: - return emitBinaryExpression(node); - case 189: - return emitConditionalExpression(node); - case 190: - return emitTemplateExpression(node); - case 191: - return emitYieldExpression(node); - case 192: - return emitSpreadElementExpression(node); - case 193: - return emitClassExpression(node); - case 194: - return; - case 196: - return emitAsExpression(node); - case 197: - return emitNonNullExpression(node); - case 242: - return emitJsxElement(node); - case 243: - return emitJsxSelfClosingElement(node); - case 288: - return emitPartiallyEmittedExpression(node); - } + function visitExportAssignment(node) { + return node.isExportEquals ? undefined : node; + } + } + ts.transformES2015Module = transformES2015Module; +})(ts || (ts = {})); +var ts; +(function (ts) { + var moduleTransformerMap = ts.createMap((_a = {}, + _a[ts.ModuleKind.ES2015] = ts.transformES2015Module, + _a[ts.ModuleKind.System] = ts.transformSystemModule, + _a[ts.ModuleKind.AMD] = ts.transformModule, + _a[ts.ModuleKind.CommonJS] = ts.transformModule, + _a[ts.ModuleKind.UMD] = ts.transformModule, + _a[ts.ModuleKind.None] = ts.transformModule, + _a)); + function getTransformers(compilerOptions) { + var jsx = compilerOptions.jsx; + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var transformers = []; + transformers.push(ts.transformTypeScript); + transformers.push(moduleTransformerMap[moduleKind] || moduleTransformerMap[ts.ModuleKind.None]); + if (jsx === 2) { + transformers.push(ts.transformJsx); + } + if (languageVersion < 4) { + transformers.push(ts.transformES2017); + } + if (languageVersion < 3) { + transformers.push(ts.transformES2016); } - function emitNumericLiteral(node) { - emitLiteral(node); - if (node.trailingComment) { - write(" /*" + node.trailingComment + "*/"); + if (languageVersion < 2) { + transformers.push(ts.transformES2015); + transformers.push(ts.transformGenerators); + } + if (languageVersion < 1) { + transformers.push(ts.transformES5); + } + return transformers; + } + ts.getTransformers = getTransformers; + function transformFiles(resolver, host, sourceFiles, transformers) { + var lexicalEnvironmentVariableDeclarationsStack = []; + var lexicalEnvironmentFunctionDeclarationsStack = []; + var enabledSyntaxKindFeatures = new Array(289); + var lexicalEnvironmentStackOffset = 0; + var hoistedVariableDeclarations; + var hoistedFunctionDeclarations; + var lexicalEnvironmentDisabled; + var context = { + getCompilerOptions: function () { return host.getCompilerOptions(); }, + getEmitResolver: function () { return resolver; }, + getEmitHost: function () { return host; }, + hoistVariableDeclaration: hoistVariableDeclaration, + hoistFunctionDeclaration: hoistFunctionDeclaration, + startLexicalEnvironment: startLexicalEnvironment, + endLexicalEnvironment: endLexicalEnvironment, + onSubstituteNode: function (_emitContext, node) { return node; }, + enableSubstitution: enableSubstitution, + isSubstitutionEnabled: isSubstitutionEnabled, + onEmitNode: function (node, emitContext, emitCallback) { return emitCallback(node, emitContext); }, + enableEmitNotification: enableEmitNotification, + isEmitNotificationEnabled: isEmitNotificationEnabled + }; + var transformation = ts.chain.apply(void 0, transformers)(context); + var transformed = ts.map(sourceFiles, transformSourceFile); + lexicalEnvironmentDisabled = true; + return { + transformed: transformed, + emitNodeWithSubstitution: emitNodeWithSubstitution, + emitNodeWithNotification: emitNodeWithNotification + }; + function transformSourceFile(sourceFile) { + if (ts.isDeclarationFile(sourceFile)) { + return sourceFile; } + return transformation(sourceFile); } - function emitLiteral(node) { - var text = getLiteralTextOfNode(node); - if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) - && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { - writer.writeLiteral(text); + function enableSubstitution(kind) { + enabledSyntaxKindFeatures[kind] |= 1; + } + function isSubstitutionEnabled(node) { + return (enabledSyntaxKindFeatures[node.kind] & 1) !== 0 + && (ts.getEmitFlags(node) & 128) === 0; + } + function emitNodeWithSubstitution(emitContext, node, emitCallback) { + if (node) { + if (isSubstitutionEnabled(node)) { + var substitute = context.onSubstituteNode(emitContext, node); + if (substitute && substitute !== node) { + emitCallback(emitContext, substitute); + return; + } + } + emitCallback(emitContext, node); } - else { - write(text); + } + function enableEmitNotification(kind) { + enabledSyntaxKindFeatures[kind] |= 2; + } + function isEmitNotificationEnabled(node) { + return (enabledSyntaxKindFeatures[node.kind] & 2) !== 0 + || (ts.getEmitFlags(node) & 64) !== 0; + } + function emitNodeWithNotification(emitContext, node, emitCallback) { + if (node) { + if (isEmitNotificationEnabled(node)) { + context.onEmitNode(emitContext, node, emitCallback); + } + else { + emitCallback(emitContext, node); + } } } - function emitIdentifier(node) { - if (ts.getEmitFlags(node) & 16) { - writeLines(umdHelper); + function hoistVariableDeclaration(name) { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); + var decl = ts.createVariableDeclaration(name); + if (!hoistedVariableDeclarations) { + hoistedVariableDeclarations = [decl]; } else { - write(getTextOfNode(node, false)); + hoistedVariableDeclarations.push(decl); } } - function emitQualifiedName(node) { - emitEntityName(node.left); - write("."); - emit(node.right); - } - function emitEntityName(node) { - if (node.kind === 70) { - emitExpression(node); + function hoistFunctionDeclaration(func) { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot modify the lexical environment during the print phase."); + if (!hoistedFunctionDeclarations) { + hoistedFunctionDeclarations = [func]; } else { - emit(node); + hoistedFunctionDeclarations.push(func); } } - function emitComputedPropertyName(node) { - write("["); - emitExpression(node.expression); - write("]"); - } - function emitTypeParameter(node) { - emit(node.name); - emitWithPrefix(" extends ", node.constraint); - } - function emitParameter(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - writeIfPresent(node.dotDotDotToken, "..."); - emit(node.name); - writeIfPresent(node.questionToken, "?"); - emitExpressionWithPrefix(" = ", node.initializer); - emitWithPrefix(": ", node.type); - } - function emitDecorator(decorator) { - write("@"); - emitExpression(decorator.expression); - } - function emitPropertySignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emit(node.name); - writeIfPresent(node.questionToken, "?"); - emitWithPrefix(": ", node.type); - write(";"); - } - function emitPropertyDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emit(node.name); - emitWithPrefix(": ", node.type); - emitExpressionWithPrefix(" = ", node.initializer); - write(";"); - } - function emitMethodSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emit(node.name); - writeIfPresent(node.questionToken, "?"); - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); - } - function emitMethodDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - writeIfPresent(node.asteriskToken, "*"); - emit(node.name); - emitSignatureAndBody(node, emitSignatureHead); + function startLexicalEnvironment() { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot start a lexical environment during the print phase."); + lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedVariableDeclarations; + lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset] = hoistedFunctionDeclarations; + lexicalEnvironmentStackOffset++; + hoistedVariableDeclarations = undefined; + hoistedFunctionDeclarations = undefined; } - function emitConstructor(node) { - emitModifiers(node, node.modifiers); - write("constructor"); - emitSignatureAndBody(node, emitSignatureHead); + function endLexicalEnvironment() { + ts.Debug.assert(!lexicalEnvironmentDisabled, "Cannot end a lexical environment during the print phase."); + var statements; + if (hoistedVariableDeclarations || hoistedFunctionDeclarations) { + if (hoistedFunctionDeclarations) { + statements = hoistedFunctionDeclarations.slice(); + } + if (hoistedVariableDeclarations) { + var statement = ts.createVariableStatement(undefined, ts.createVariableDeclarationList(hoistedVariableDeclarations)); + if (!statements) { + statements = [statement]; + } + else { + statements.push(statement); + } + } + } + lexicalEnvironmentStackOffset--; + hoistedVariableDeclarations = lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset]; + hoistedFunctionDeclarations = lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset]; + return statements; } - function emitAccessorDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write(node.kind === 150 ? "get " : "set "); - emit(node.name); - emitSignatureAndBody(node, emitSignatureHead); + } + ts.transformFiles = transformFiles; + var _a; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDeclarationDiagnostics(host, resolver, targetSourceFile) { + var declarationDiagnostics = ts.createDiagnosticCollection(); + ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); + return declarationDiagnostics.getDiagnostics(targetSourceFile ? targetSourceFile.fileName : undefined); + function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { + var declarationFilePath = _a.declarationFilePath; + emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit, false); } - function emitCallSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); + } + ts.getDeclarationDiagnostics = getDeclarationDiagnostics; + function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles) { + var newLine = host.getNewLine(); + var compilerOptions = host.getCompilerOptions(); + var write; + var writeLine; + var increaseIndent; + var decreaseIndent; + var writeTextOfNode; + var writer; + createAndSetNewTextWriterWithSymbolWriter(); + var enclosingDeclaration; + var resultHasExternalModuleIndicator; + var currentText; + var currentLineMap; + var currentIdentifiers; + var isCurrentFileExternalModule; + var reportedDeclarationError = false; + var errorNameNode; + var emitJsDocComments = compilerOptions.removeComments ? ts.noop : writeJsDocComments; + var emit = compilerOptions.stripInternal ? stripInternal : emitNode; + var noDeclare; + var moduleElementDeclarationEmitInfo = []; + var asynchronousSubModuleDeclarationEmitInfo; + var referencesOutput = ""; + var usedTypeDirectiveReferences; + var emittedReferencedFiles = []; + var addedGlobalFileReference = false; + var allSourcesModuleElementDeclarationEmitInfo = []; + ts.forEach(sourceFiles, function (sourceFile) { + if (ts.isSourceFileJavaScript(sourceFile)) { + return; + } + if (!compilerOptions.noResolve) { + ts.forEach(sourceFile.referencedFiles, function (fileReference) { + var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); + if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { + if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference, emitOnlyDtsFiles)) { + addedGlobalFileReference = true; + } + emittedReferencedFiles.push(referencedFile); + } + }); + } + resultHasExternalModuleIndicator = false; + if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { + noDeclare = false; + emitSourceFile(sourceFile); + } + else if (ts.isExternalModule(sourceFile)) { + noDeclare = true; + write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); + writeLine(); + increaseIndent(); + emitSourceFile(sourceFile); + decreaseIndent(); + write("}"); + writeLine(); + } + if (moduleElementDeclarationEmitInfo.length) { + var oldWriter = writer; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { + ts.Debug.assert(aliasEmitInfo.node.kind === 231); + createAndSetNewTextWriterWithSymbolWriter(); + ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + increaseIndent(); + } + writeImportDeclaration(aliasEmitInfo.node); + aliasEmitInfo.asynchronousOutput = writer.getText(); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + decreaseIndent(); + } + } + }); + setWriter(oldWriter); + allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); + moduleElementDeclarationEmitInfo = []; + } + if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { + write("export {};"); + writeLine(); + } + }); + if (usedTypeDirectiveReferences) { + for (var directive in usedTypeDirectiveReferences) { + referencesOutput += "/// " + newLine; + } } - function emitConstructSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write("new "); - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); + return { + reportedDeclarationError: reportedDeclarationError, + moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, + synchronousDeclarationOutput: writer.getText(), + referencesOutput: referencesOutput, + }; + function hasInternalAnnotation(range) { + var comment = currentText.substring(range.pos, range.end); + return comment.indexOf("@internal") >= 0; } - function emitIndexSignature(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emitParametersForIndexSignature(node, node.parameters); - emitWithPrefix(": ", node.type); - write(";"); + function stripInternal(node) { + if (node) { + var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); + if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { + return; + } + emitNode(node); + } } - function emitSemicolonClassElement() { - write(";"); + function createAndSetNewTextWriterWithSymbolWriter() { + var writer = ts.createTextWriter(newLine); + writer.trackSymbol = trackSymbol; + writer.reportInaccessibleThisError = reportInaccessibleThisError; + writer.writeKeyword = writer.write; + writer.writeOperator = writer.write; + writer.writePunctuation = writer.write; + writer.writeSpace = writer.write; + writer.writeStringLiteral = writer.writeLiteral; + writer.writeParameter = writer.write; + writer.writeSymbol = writer.write; + setWriter(writer); } - function emitTypePredicate(node) { - emit(node.parameterName); - write(" is "); - emit(node.type); + function setWriter(newWriter) { + writer = newWriter; + write = newWriter.write; + writeTextOfNode = newWriter.writeTextOfNode; + writeLine = newWriter.writeLine; + increaseIndent = newWriter.increaseIndent; + decreaseIndent = newWriter.decreaseIndent; } - function emitTypeReference(node) { - emit(node.typeName); - emitTypeArguments(node, node.typeArguments); + function writeAsynchronousModuleElements(nodes) { + var oldWriter = writer; + ts.forEach(nodes, function (declaration) { + var nodeToCheck; + if (declaration.kind === 219) { + nodeToCheck = declaration.parent.parent; + } + else if (declaration.kind === 234 || declaration.kind === 235 || declaration.kind === 232) { + ts.Debug.fail("We should be getting ImportDeclaration instead to write"); + } + else { + nodeToCheck = declaration; + } + var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { + moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + } + if (moduleElementEmitInfo) { + if (moduleElementEmitInfo.node.kind === 231) { + moduleElementEmitInfo.isVisible = true; + } + else { + createAndSetNewTextWriterWithSymbolWriter(); + for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { + increaseIndent(); + } + if (nodeToCheck.kind === 226) { + ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); + asynchronousSubModuleDeclarationEmitInfo = []; + } + writeModuleElement(nodeToCheck); + if (nodeToCheck.kind === 226) { + moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; + asynchronousSubModuleDeclarationEmitInfo = undefined; + } + moduleElementEmitInfo.asynchronousOutput = writer.getText(); + } + } + }); + setWriter(oldWriter); } - function emitFunctionType(node) { - emitTypeParameters(node, node.typeParameters); - emitParametersForArrow(node, node.parameters); - write(" => "); - emit(node.type); + function recordTypeReferenceDirectivesIfNecessary(typeReferenceDirectives) { + if (!typeReferenceDirectives) { + return; + } + if (!usedTypeDirectiveReferences) { + usedTypeDirectiveReferences = ts.createMap(); + } + for (var _i = 0, typeReferenceDirectives_1 = typeReferenceDirectives; _i < typeReferenceDirectives_1.length; _i++) { + var directive = typeReferenceDirectives_1[_i]; + if (!(directive in usedTypeDirectiveReferences)) { + usedTypeDirectiveReferences[directive] = directive; + } + } } - function emitConstructorType(node) { - write("new "); - emitTypeParameters(node, node.typeParameters); - emitParametersForArrow(node, node.parameters); - write(" => "); - emit(node.type); + function handleSymbolAccessibilityError(symbolAccessibilityResult) { + if (symbolAccessibilityResult.accessibility === 0) { + if (symbolAccessibilityResult && symbolAccessibilityResult.aliasesToMakeVisible) { + writeAsynchronousModuleElements(symbolAccessibilityResult.aliasesToMakeVisible); + } + } + else { + reportedDeclarationError = true; + var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccessibilityResult); + if (errorInfo) { + if (errorInfo.typeName) { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); + } + else { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName)); + } + } + } } - function emitTypeQuery(node) { - write("typeof "); - emit(node.exprName); + function trackSymbol(symbol, enclosingDeclaration, meaning) { + handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning, true)); + recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForSymbol(symbol, meaning)); } - function emitTypeLiteral(node) { - write("{"); - emitList(node, node.members, 65); - write("}"); + function reportInaccessibleThisError() { + if (errorNameNode) { + reportedDeclarationError = true; + emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + } } - function emitArrayType(node) { - emit(node.elementType); - write("[]"); + function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (type) { + emitType(type); + } + else { + errorNameNode = declaration.name; + resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 | 1024, writer); + errorNameNode = undefined; + } } - function emitTupleType(node) { - write("["); - emitList(node, node.elementTypes, 336); - write("]"); + function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (signature.type) { + emitType(signature.type); + } + else { + errorNameNode = signature.name; + resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 | 1024, writer); + errorNameNode = undefined; + } } - function emitUnionType(node) { - emitList(node, node.types, 260); + function emitLines(nodes) { + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + emit(node); + } } - function emitIntersectionType(node) { - emitList(node, node.types, 264); + function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { + var currentWriterPos = writer.getTextPos(); + for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { + var node = nodes_3[_i]; + if (!canEmitFn || canEmitFn(node)) { + if (currentWriterPos !== writer.getTextPos()) { + write(separator); + } + currentWriterPos = writer.getTextPos(); + eachNodeEmitFn(node); + } + } } - function emitParenthesizedType(node) { - write("("); - emit(node.type); - write(")"); + function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { + emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); } - function emitThisType() { - write("this"); + function writeJsDocComments(declaration) { + if (declaration) { + var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); + ts.emitComments(currentText, currentLineMap, writer, jsDocComments, false, true, newLine, ts.writeCommentRange); + } } - function emitLiteralType(node) { - emitExpression(node.literal); + function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + emitType(type); } - function emitObjectBindingPattern(node) { - var elements = node.elements; - if (elements.length === 0) { - write("{}"); + function emitType(type) { + switch (type.kind) { + case 118: + case 133: + case 131: + case 121: + case 134: + case 104: + case 136: + case 94: + case 128: + case 166: + case 167: + return writeTextOfNode(currentText, type); + case 195: + return emitExpressionWithTypeArguments(type); + case 156: + return emitTypeReference(type); + case 159: + return emitTypeQuery(type); + case 161: + return emitArrayType(type); + case 162: + return emitTupleType(type); + case 163: + return emitUnionType(type); + case 164: + return emitIntersectionType(type); + case 165: + return emitParenType(type); + case 157: + case 158: + return emitSignatureDeclarationWithJsDocComments(type); + case 160: + return emitTypeLiteral(type); + case 70: + return emitEntityName(type); + case 140: + return emitEntityName(type); + case 155: + return emitTypePredicate(type); } - else { - write("{"); - emitList(node, elements, 432); - write("}"); + function writeEntityName(entityName) { + if (entityName.kind === 70) { + writeTextOfNode(currentText, entityName); + } + else { + var left = entityName.kind === 140 ? entityName.left : entityName.expression; + var right = entityName.kind === 140 ? entityName.right : entityName.name; + writeEntityName(left); + write("."); + writeTextOfNode(currentText, right); + } } - } - function emitArrayBindingPattern(node) { - var elements = node.elements; - if (elements.length === 0) { + function emitEntityName(entityName) { + var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 230 ? entityName.parent : enclosingDeclaration); + handleSymbolAccessibilityError(visibilityResult); + recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForEntityName(entityName)); + writeEntityName(entityName); + } + function emitExpressionWithTypeArguments(node) { + if (ts.isEntityNameExpression(node.expression)) { + ts.Debug.assert(node.expression.kind === 70 || node.expression.kind === 173); + emitEntityName(node.expression); + if (node.typeArguments) { + write("<"); + emitCommaList(node.typeArguments, emitType); + write(">"); + } + } + } + function emitTypeReference(type) { + emitEntityName(type.typeName); + if (type.typeArguments) { + write("<"); + emitCommaList(type.typeArguments, emitType); + write(">"); + } + } + function emitTypePredicate(type) { + writeTextOfNode(currentText, type.parameterName); + write(" is "); + emitType(type.type); + } + function emitTypeQuery(type) { + write("typeof "); + emitEntityName(type.exprName); + } + function emitArrayType(type) { + emitType(type.elementType); write("[]"); } - else { + function emitTupleType(type) { write("["); - emitList(node, node.elements, 304); + emitCommaList(type.elementTypes, emitType); write("]"); } - } - function emitBindingElement(node) { - emitWithSuffix(node.propertyName, ": "); - writeIfPresent(node.dotDotDotToken, "..."); - emit(node.name); - emitExpressionWithPrefix(" = ", node.initializer); - } - function emitArrayLiteralExpression(node) { - var elements = node.elements; - if (elements.length === 0) { - write("[]"); + function emitUnionType(type) { + emitSeparatedList(type.types, " | ", emitType); } - else { - var preferNewLine = node.multiLine ? 32768 : 0; - emitExpressionList(node, elements, 4466 | preferNewLine); + function emitIntersectionType(type) { + emitSeparatedList(type.types, " & ", emitType); } - } - function emitObjectLiteralExpression(node) { - var properties = node.properties; - if (properties.length === 0) { - write("{}"); + function emitParenType(type) { + write("("); + emitType(type.type); + write(")"); } - else { - var indentedFlag = ts.getEmitFlags(node) & 524288; - if (indentedFlag) { + function emitTypeLiteral(type) { + write("{"); + if (type.members.length) { + writeLine(); increaseIndent(); - } - var preferNewLine = node.multiLine ? 32768 : 0; - var allowTrailingComma = languageVersion >= 1 ? 32 : 0; - emitList(node, properties, 978 | allowTrailingComma | preferNewLine); - if (indentedFlag) { + emitLines(type.members); decreaseIndent(); } + write("}"); } } - function emitPropertyAccessExpression(node) { - var indentBeforeDot = false; - var indentAfterDot = false; - if (!(ts.getEmitFlags(node) & 1048576)) { - var dotRangeStart = node.expression.end; - var dotRangeEnd = ts.skipTrivia(currentText, node.expression.end) + 1; - var dotToken = { kind: 22, pos: dotRangeStart, end: dotRangeEnd }; - indentBeforeDot = needsIndentation(node, node.expression, dotToken); - indentAfterDot = needsIndentation(node, dotToken, node.name); - } - emitExpression(node.expression); - increaseIndentIf(indentBeforeDot); - var shouldEmitDotDot = !indentBeforeDot && needsDotDotForPropertyAccess(node.expression); - write(shouldEmitDotDot ? ".." : "."); - increaseIndentIf(indentAfterDot); - emit(node.name); - decreaseIndentIf(indentBeforeDot, indentAfterDot); + function emitSourceFile(node) { + currentText = node.text; + currentLineMap = ts.getLineStarts(node); + currentIdentifiers = node.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(node); + enclosingDeclaration = node; + ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); + emitLines(node.statements); } - function needsDotDotForPropertyAccess(expression) { - if (expression.kind === 8) { - var text = getLiteralTextOfNode(expression); - return text.indexOf(ts.tokenToString(22)) < 0; + function getExportDefaultTempVariableName() { + var baseName = "_default"; + if (!(baseName in currentIdentifiers)) { + return baseName; } - else if (ts.isPropertyAccessExpression(expression) || ts.isElementAccessExpression(expression)) { - var constantValue = ts.getConstantValue(expression); - return isFinite(constantValue) - && Math.floor(constantValue) === constantValue - && compilerOptions.removeComments; + var count = 0; + while (true) { + count++; + var name_43 = baseName + "_" + count; + if (!(name_43 in currentIdentifiers)) { + return name_43; + } } } - function emitElementAccessExpression(node) { - emitExpression(node.expression); - write("["); - emitExpression(node.argumentExpression); - write("]"); - } - function emitCallExpression(node) { - emitExpression(node.expression); - emitTypeArguments(node, node.typeArguments); - emitExpressionList(node, node.arguments, 1296); - } - function emitNewExpression(node) { - write("new "); - emitExpression(node.expression); - emitTypeArguments(node, node.typeArguments); - emitExpressionList(node, node.arguments, 9488); - } - function emitTaggedTemplateExpression(node) { - emitExpression(node.tag); - write(" "); - emitExpression(node.template); - } - function emitTypeAssertionExpression(node) { - if (node.type) { - write("<"); - emit(node.type); - write(">"); + function emitExportAssignment(node) { + if (node.expression.kind === 70) { + write(node.isExportEquals ? "export = " : "export default "); + writeTextOfNode(currentText, node.expression); } - emitExpression(node.expression); - } - function emitParenthesizedExpression(node) { - write("("); - emitExpression(node.expression); - write(")"); - } - function emitFunctionExpression(node) { - emitFunctionDeclarationOrExpression(node); - } - function emitArrowFunction(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - emitSignatureAndBody(node, emitArrowFunctionHead); - } - function emitArrowFunctionHead(node) { - emitTypeParameters(node, node.typeParameters); - emitParametersForArrow(node, node.parameters); - emitWithPrefix(": ", node.type); - write(" =>"); - } - function emitDeleteExpression(node) { - write("delete "); - emitExpression(node.expression); - } - function emitTypeOfExpression(node) { - write("typeof "); - emitExpression(node.expression); - } - function emitVoidExpression(node) { - write("void "); - emitExpression(node.expression); - } - function emitAwaitExpression(node) { - write("await "); - emitExpression(node.expression); - } - function emitPrefixUnaryExpression(node) { - writeTokenText(node.operator); - if (shouldEmitWhitespaceBeforeOperand(node)) { - write(" "); + else { + var tempVarName = getExportDefaultTempVariableName(); + if (!noDeclare) { + write("declare "); + } + write("var "); + write(tempVarName); + write(": "); + writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; + resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 | 1024, writer); + write(";"); + writeLine(); + write(node.isExportEquals ? "export = " : "export default "); + write(tempVarName); } - emitExpression(node.operand); - } - function shouldEmitWhitespaceBeforeOperand(node) { - var operand = node.operand; - return operand.kind === 186 - && ((node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) - || (node.operator === 37 && (operand.operator === 37 || operand.operator === 43))); - } - function emitPostfixUnaryExpression(node) { - emitExpression(node.operand); - writeTokenText(node.operator); - } - function emitBinaryExpression(node) { - var isCommaOperator = node.operatorToken.kind !== 25; - var indentBeforeOperator = needsIndentation(node, node.left, node.operatorToken); - var indentAfterOperator = needsIndentation(node, node.operatorToken, node.right); - emitExpression(node.left); - increaseIndentIf(indentBeforeOperator, isCommaOperator ? " " : undefined); - writeTokenText(node.operatorToken.kind); - increaseIndentIf(indentAfterOperator, " "); - emitExpression(node.right); - decreaseIndentIf(indentBeforeOperator, indentAfterOperator); - } - function emitConditionalExpression(node) { - var indentBeforeQuestion = needsIndentation(node, node.condition, node.questionToken); - var indentAfterQuestion = needsIndentation(node, node.questionToken, node.whenTrue); - var indentBeforeColon = needsIndentation(node, node.whenTrue, node.colonToken); - var indentAfterColon = needsIndentation(node, node.colonToken, node.whenFalse); - emitExpression(node.condition); - increaseIndentIf(indentBeforeQuestion, " "); - write("?"); - increaseIndentIf(indentAfterQuestion, " "); - emitExpression(node.whenTrue); - decreaseIndentIf(indentBeforeQuestion, indentAfterQuestion); - increaseIndentIf(indentBeforeColon, " "); - write(":"); - increaseIndentIf(indentAfterColon, " "); - emitExpression(node.whenFalse); - decreaseIndentIf(indentBeforeColon, indentAfterColon); - } - function emitTemplateExpression(node) { - emit(node.head); - emitList(node, node.templateSpans, 131072); - } - function emitYieldExpression(node) { - write(node.asteriskToken ? "yield*" : "yield"); - emitExpressionWithPrefix(" ", node.expression); - } - function emitSpreadElementExpression(node) { - write("..."); - emitExpression(node.expression); - } - function emitClassExpression(node) { - emitClassDeclarationOrExpression(node); - } - function emitExpressionWithTypeArguments(node) { - emitExpression(node.expression); - emitTypeArguments(node, node.typeArguments); - } - function emitAsExpression(node) { - emitExpression(node.expression); - if (node.type) { - write(" as "); - emit(node.type); + write(";"); + writeLine(); + if (node.expression.kind === 70) { + var nodes = resolver.collectLinkedAliases(node.expression); + writeAsynchronousModuleElements(nodes); + } + function getDefaultExportAccessibilityDiagnostic() { + return { + diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, + errorNode: node + }; } } - function emitNonNullExpression(node) { - emitExpression(node.expression); - write("!"); - } - function emitTemplateSpan(node) { - emitExpression(node.expression); - emit(node.literal); + function isModuleElementVisible(node) { + return resolver.isDeclarationVisible(node); } - function emitBlock(node) { - if (isSingleLineEmptyBlock(node)) { - writeToken(16, node.pos, node); - write(" "); - writeToken(17, node.statements.end, node); + function emitModuleElement(node, isModuleElementVisible) { + if (isModuleElementVisible) { + writeModuleElement(node); } - else { - writeToken(16, node.pos, node); - emitBlockStatements(node); - writeToken(17, node.statements.end, node); + else if (node.kind === 230 || + (node.parent.kind === 256 && isCurrentFileExternalModule)) { + var isVisible = void 0; + if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 256) { + asynchronousSubModuleDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + else { + if (node.kind === 231) { + var importDeclaration = node; + if (importDeclaration.importClause) { + isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || + isVisibleNamedBinding(importDeclaration.importClause.namedBindings); + } + } + moduleElementDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } } } - function emitBlockStatements(node) { - if (ts.getEmitFlags(node) & 32) { - emitList(node, node.statements, 384); - } - else { - emitList(node, node.statements, 65); + function writeModuleElement(node) { + switch (node.kind) { + case 221: + return writeFunctionDeclaration(node); + case 201: + return writeVariableStatement(node); + case 223: + return writeInterfaceDeclaration(node); + case 222: + return writeClassDeclaration(node); + case 224: + return writeTypeAliasDeclaration(node); + case 225: + return writeEnumDeclaration(node); + case 226: + return writeModuleDeclaration(node); + case 230: + return writeImportEqualsDeclaration(node); + case 231: + return writeImportDeclaration(node); + default: + ts.Debug.fail("Unknown symbol kind"); } } - function emitVariableStatement(node) { - emitModifiers(node, node.modifiers); - emit(node.declarationList); - write(";"); - } - function emitEmptyStatement() { - write(";"); - } - function emitExpressionStatement(node) { - emitExpression(node.expression); - write(";"); - } - function emitIfStatement(node) { - var openParenPos = writeToken(89, node.pos, node); - write(" "); - writeToken(18, openParenPos, node); - emitExpression(node.expression); - writeToken(19, node.expression.end, node); - emitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - writeLine(); - writeToken(81, node.thenStatement.end, node); - if (node.elseStatement.kind === 204) { - write(" "); - emit(node.elseStatement); + function emitModuleElementDeclarationFlags(node) { + if (node.parent.kind === 256) { + var modifiers = ts.getModifierFlags(node); + if (modifiers & 1) { + write("export "); } - else { - emitEmbeddedStatement(node.elseStatement); + if (modifiers & 512) { + write("default "); + } + else if (node.kind !== 223 && !noDeclare) { + write("declare "); } } } - function emitDoStatement(node) { - write("do"); - emitEmbeddedStatement(node.statement); - if (ts.isBlock(node.statement)) { - write(" "); + function emitClassMemberDeclarationFlags(flags) { + if (flags & 8) { + write("private "); + } + else if (flags & 16) { + write("protected "); + } + if (flags & 32) { + write("static "); + } + if (flags & 64) { + write("readonly "); + } + if (flags & 128) { + write("abstract "); + } + } + function writeImportEqualsDeclaration(node) { + emitJsDocComments(node); + if (ts.hasModifier(node, 1)) { + write("export "); + } + write("import "); + writeTextOfNode(currentText, node.name); + write(" = "); + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); + write(";"); } else { - writeLine(); + write("require("); + emitExternalModuleSpecifier(node); + write(");"); + } + writer.writeLine(); + function getImportEntityNameVisibilityError() { + return { + diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, + errorNode: node, + typeName: node.name + }; } - write("while ("); - emitExpression(node.expression); - write(");"); - } - function emitWhileStatement(node) { - write("while ("); - emitExpression(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitForStatement(node) { - var openParenPos = writeToken(87, node.pos); - write(" "); - writeToken(18, openParenPos, node); - emitForBinding(node.initializer); - write(";"); - emitExpressionWithPrefix(" ", node.condition); - write(";"); - emitExpressionWithPrefix(" ", node.incrementor); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitForInStatement(node) { - var openParenPos = writeToken(87, node.pos); - write(" "); - writeToken(18, openParenPos); - emitForBinding(node.initializer); - write(" in "); - emitExpression(node.expression); - writeToken(19, node.expression.end); - emitEmbeddedStatement(node.statement); - } - function emitForOfStatement(node) { - var openParenPos = writeToken(87, node.pos); - write(" "); - writeToken(18, openParenPos); - emitForBinding(node.initializer); - write(" of "); - emitExpression(node.expression); - writeToken(19, node.expression.end); - emitEmbeddedStatement(node.statement); } - function emitForBinding(node) { - if (node !== undefined) { - if (node.kind === 220) { - emit(node); + function isVisibleNamedBinding(namedBindings) { + if (namedBindings) { + if (namedBindings.kind === 233) { + return resolver.isDeclarationVisible(namedBindings); } else { - emitExpression(node); + return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); } } } - function emitContinueStatement(node) { - writeToken(76, node.pos); - emitWithPrefix(" ", node.label); - write(";"); - } - function emitBreakStatement(node) { - writeToken(71, node.pos); - emitWithPrefix(" ", node.label); - write(";"); - } - function emitReturnStatement(node) { - writeToken(95, node.pos, node); - emitExpressionWithPrefix(" ", node.expression); - write(";"); - } - function emitWithStatement(node) { - write("with ("); - emitExpression(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitSwitchStatement(node) { - var openParenPos = writeToken(97, node.pos); - write(" "); - writeToken(18, openParenPos); - emitExpression(node.expression); - writeToken(19, node.expression.end); - write(" "); - emit(node.caseBlock); - } - function emitLabeledStatement(node) { - emit(node.label); - write(": "); - emit(node.statement); - } - function emitThrowStatement(node) { - write("throw"); - emitExpressionWithPrefix(" ", node.expression); - write(";"); - } - function emitTryStatement(node) { - write("try "); - emit(node.tryBlock); - emit(node.catchClause); - if (node.finallyBlock) { - writeLine(); - write("finally "); - emit(node.finallyBlock); + function writeImportDeclaration(node) { + emitJsDocComments(node); + if (ts.hasModifier(node, 1)) { + write("export "); } - } - function emitDebuggerStatement(node) { - writeToken(77, node.pos); - write(";"); - } - function emitVariableDeclaration(node) { - emit(node.name); - emitWithPrefix(": ", node.type); - emitExpressionWithPrefix(" = ", node.initializer); - } - function emitVariableDeclarationList(node) { - write(ts.isLet(node) ? "let " : ts.isConst(node) ? "const " : "var "); - emitList(node, node.declarations, 272); - } - function emitFunctionDeclaration(node) { - emitFunctionDeclarationOrExpression(node); - } - function emitFunctionDeclarationOrExpression(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write(node.asteriskToken ? "function* " : "function "); - emitIdentifierName(node.name); - emitSignatureAndBody(node, emitSignatureHead); - } - function emitSignatureAndBody(node, emitSignatureHead) { - var body = node.body; - if (body) { - if (ts.isBlock(body)) { - var indentedFlag = ts.getEmitFlags(node) & 524288; - if (indentedFlag) { - increaseIndent(); + write("import "); + if (node.importClause) { + var currentWriterPos = writer.getTextPos(); + if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { + writeTextOfNode(currentText, node.importClause.name); + } + if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { + if (currentWriterPos !== writer.getTextPos()) { + write(", "); } - if (ts.getEmitFlags(node) & 4194304) { - emitSignatureHead(node); - emitBlockFunctionBody(body); + if (node.importClause.namedBindings.kind === 233) { + write("* as "); + writeTextOfNode(currentText, node.importClause.namedBindings.name); } else { - var savedTempFlags = tempFlags; - tempFlags = 0; - emitSignatureHead(node); - emitBlockFunctionBody(body); - tempFlags = savedTempFlags; - } - if (indentedFlag) { - decreaseIndent(); + write("{ "); + emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); + write(" }"); } } - else { - emitSignatureHead(node); - write(" "); - emitExpression(body); - } - } - else { - emitSignatureHead(node); - write(";"); + write(" from "); } + emitExternalModuleSpecifier(node); + write(";"); + writer.writeLine(); } - function emitSignatureHead(node) { - emitTypeParameters(node, node.typeParameters); - emitParameters(node, node.parameters); - emitWithPrefix(": ", node.type); - } - function shouldEmitBlockFunctionBodyOnSingleLine(body) { - if (ts.getEmitFlags(body) & 32) { - return true; - } - if (body.multiLine) { - return false; + function emitExternalModuleSpecifier(parent) { + resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 226; + var moduleSpecifier; + if (parent.kind === 230) { + var node = parent; + moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); } - if (!ts.nodeIsSynthesized(body) && !ts.rangeIsOnSingleLine(body, currentSourceFile)) { - return false; + else if (parent.kind === 226) { + moduleSpecifier = parent.name; } - if (shouldWriteLeadingLineTerminator(body, body.statements, 2) - || shouldWriteClosingLineTerminator(body, body.statements, 2)) { - return false; + else { + var node = parent; + moduleSpecifier = node.moduleSpecifier; } - var previousStatement; - for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { - var statement = _b[_a]; - if (shouldWriteSeparatingLineTerminator(previousStatement, statement, 2)) { - return false; + if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { + var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); + if (moduleName) { + write('"'); + write(moduleName); + write('"'); + return; } - previousStatement = statement; } - return true; + writeTextOfNode(currentText, moduleSpecifier); } - function emitBlockFunctionBody(body) { - write(" {"); - increaseIndent(); - emitBodyWithDetachedComments(body, body.statements, shouldEmitBlockFunctionBodyOnSingleLine(body) - ? emitBlockFunctionBodyOnSingleLine - : emitBlockFunctionBodyWorker); - decreaseIndent(); - writeToken(17, body.statements.end, body); + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + writeTextOfNode(currentText, node.propertyName); + write(" as "); + } + writeTextOfNode(currentText, node.name); } - function emitBlockFunctionBodyOnSingleLine(body) { - emitBlockFunctionBodyWorker(body, true); + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); + writeAsynchronousModuleElements(nodes); } - function emitBlockFunctionBodyWorker(body, emitBlockFunctionBodyOnSingleLine) { - var statementOffset = emitPrologueDirectives(body.statements, true); - var helpersEmitted = emitHelpers(body); - if (statementOffset === 0 && !helpersEmitted && emitBlockFunctionBodyOnSingleLine) { - decreaseIndent(); - emitList(body, body.statements, 384); - increaseIndent(); + function emitExportDeclaration(node) { + emitJsDocComments(node); + write("export "); + if (node.exportClause) { + write("{ "); + emitCommaList(node.exportClause.elements, emitExportSpecifier); + write(" }"); } else { - emitList(body, body.statements, 1, statementOffset); + write("*"); } + if (node.moduleSpecifier) { + write(" from "); + emitExternalModuleSpecifier(node); + } + write(";"); + writer.writeLine(); } - function emitClassDeclaration(node) { - emitClassDeclarationOrExpression(node); - } - function emitClassDeclarationOrExpression(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write("class"); - emitNodeWithPrefix(" ", node.name, emitIdentifierName); - var indentedFlag = ts.getEmitFlags(node) & 524288; - if (indentedFlag) { - increaseIndent(); + function writeModuleDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isGlobalScopeAugmentation(node)) { + write("global "); } - emitTypeParameters(node, node.typeParameters); - emitList(node, node.heritageClauses, 256); - var savedTempFlags = tempFlags; - tempFlags = 0; - write(" {"); - emitList(node, node.members, 65); - write("}"); - if (indentedFlag) { + else { + if (node.flags & 16) { + write("namespace "); + } + else { + write("module "); + } + if (ts.isExternalModuleAugmentation(node)) { + emitExternalModuleSpecifier(node); + } + else { + writeTextOfNode(currentText, node.name); + } + } + while (node.body && node.body.kind !== 227) { + node = node.body; + write("."); + writeTextOfNode(currentText, node.name); + } + var prevEnclosingDeclaration = enclosingDeclaration; + if (node.body) { + enclosingDeclaration = node; + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.body.statements); decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + else { + write(";"); } - tempFlags = savedTempFlags; - } - function emitInterfaceDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); - write("interface "); - emit(node.name); - emitTypeParameters(node, node.typeParameters); - emitList(node, node.heritageClauses, 256); - write(" {"); - emitList(node, node.members, 65); - write("}"); } - function emitTypeAliasDeclaration(node) { - emitDecorators(node, node.decorators); - emitModifiers(node, node.modifiers); + function writeTypeAliasDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); write("type "); - emit(node.name); - emitTypeParameters(node, node.typeParameters); + writeTextOfNode(currentText, node.name); + emitTypeParameters(node.typeParameters); write(" = "); - emit(node.type); + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); write(";"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + function getTypeAliasDeclarationVisibilityError() { + return { + diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, + errorNode: node.type, + typeName: node.name + }; + } } - function emitEnumDeclaration(node) { - emitModifiers(node, node.modifiers); + function writeEnumDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isConst(node)) { + write("const "); + } write("enum "); - emit(node.name); - var savedTempFlags = tempFlags; - tempFlags = 0; + writeTextOfNode(currentText, node.name); write(" {"); - emitList(node, node.members, 81); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); write("}"); - tempFlags = savedTempFlags; - } - function emitModuleDeclaration(node) { - emitModifiers(node, node.modifiers); - write(node.flags & 16 ? "namespace " : "module "); - emit(node.name); - var body = node.body; - while (body.kind === 226) { - write("."); - emit(body.name); - body = body.body; - } - write(" "); - emit(body); + writeLine(); } - function emitModuleBlock(node) { - if (isEmptyBlock(node)) { - write("{ }"); - } - else { - var savedTempFlags = tempFlags; - tempFlags = 0; - write("{"); - increaseIndent(); - emitBlockStatements(node); - write("}"); - tempFlags = savedTempFlags; + function emitEnumMemberDeclaration(node) { + emitJsDocComments(node); + writeTextOfNode(currentText, node.name); + var enumMemberValue = resolver.getConstantValue(node); + if (enumMemberValue !== undefined) { + write(" = "); + write(enumMemberValue.toString()); } + write(","); + writeLine(); } - function emitCaseBlock(node) { - writeToken(16, node.pos); - emitList(node, node.clauses, 65); - writeToken(17, node.clauses.end); - } - function emitImportEqualsDeclaration(node) { - emitModifiers(node, node.modifiers); - write("import "); - emit(node.name); - write(" = "); - emitModuleReference(node.moduleReference); - write(";"); + function isPrivateMethodTypeParameter(node) { + return node.parent.kind === 148 && ts.hasModifier(node.parent, 8); } - function emitModuleReference(node) { - if (node.kind === 70) { - emitExpression(node); - } - else { - emit(node); + function emitTypeParameters(typeParameters) { + function emitTypeParameter(node) { + increaseIndent(); + emitJsDocComments(node); + decreaseIndent(); + writeTextOfNode(currentText, node.name); + if (node.constraint && !isPrivateMethodTypeParameter(node)) { + write(" extends "); + if (node.parent.kind === 157 || + node.parent.kind === 158 || + (node.parent.parent && node.parent.parent.kind === 160)) { + ts.Debug.assert(node.parent.kind === 148 || + node.parent.kind === 147 || + node.parent.kind === 157 || + node.parent.kind === 158 || + node.parent.kind === 152 || + node.parent.kind === 153); + emitType(node.constraint); + } + else { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); + } + } + function getTypeParameterConstraintVisibilityError() { + var diagnosticMessage; + switch (node.parent.kind) { + case 222: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; + break; + case 223: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; + break; + case 153: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 152: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 148: + case 147: + if (ts.hasModifier(node.parent, 32)) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 222) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + break; + case 221: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; + break; + default: + ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + }; + } } - } - function emitImportDeclaration(node) { - emitModifiers(node, node.modifiers); - write("import "); - if (node.importClause) { - emit(node.importClause); - write(" from "); + if (typeParameters) { + write("<"); + emitCommaList(typeParameters, emitTypeParameter); + write(">"); } - emitExpression(node.moduleSpecifier); - write(";"); } - function emitImportClause(node) { - emit(node.name); - if (node.name && node.namedBindings) { - write(", "); + function emitHeritageClause(typeReferences, isImplementsList) { + if (typeReferences) { + write(isImplementsList ? " implements " : " extends "); + emitCommaList(typeReferences, emitTypeOfTypeReference); + } + function emitTypeOfTypeReference(node) { + if (ts.isEntityNameExpression(node.expression)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); + } + else if (!isImplementsList && node.expression.kind === 94) { + write("null"); + } + else { + writer.getSymbolAccessibilityDiagnostic = getHeritageClauseVisibilityError; + resolver.writeBaseConstructorTypeOfClass(enclosingDeclaration, enclosingDeclaration, 2 | 1024, writer); + } + function getHeritageClauseVisibilityError() { + var diagnosticMessage; + if (node.parent.parent.kind === 222) { + diagnosticMessage = isImplementsList ? + ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : + ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.parent.parent.name + }; + } } - emit(node.namedBindings); - } - function emitNamespaceImport(node) { - write("* as "); - emit(node.name); - } - function emitNamedImports(node) { - emitNamedImportsOrExports(node); - } - function emitImportSpecifier(node) { - emitImportOrExportSpecifier(node); - } - function emitExportAssignment(node) { - write(node.isExportEquals ? "export = " : "export default "); - emitExpression(node.expression); - write(";"); } - function emitExportDeclaration(node) { - write("export "); - if (node.exportClause) { - emit(node.exportClause); + function writeClassDeclaration(node) { + function emitParameterProperties(constructorDeclaration) { + if (constructorDeclaration) { + ts.forEach(constructorDeclaration.parameters, function (param) { + if (ts.hasModifier(param, 92)) { + emitPropertyDeclaration(param); + } + }); + } } - else { - write("*"); + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.hasModifier(node, 128)) { + write("abstract "); } - if (node.moduleSpecifier) { - write(" from "); - emitExpression(node.moduleSpecifier); + write("class "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + emitHeritageClause([baseTypeNode], false); } - write(";"); - } - function emitNamedExports(node) { - emitNamedImportsOrExports(node); - } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - } - function emitNamedImportsOrExports(node) { - write("{"); - emitList(node, node.elements, 432); + emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); + write(" {"); + writeLine(); + increaseIndent(); + emitParameterProperties(ts.getFirstConstructorWithBody(node)); + emitLines(node.members); + decreaseIndent(); write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - emit(node.propertyName); - write(" as "); - } - emit(node.name); - } - function emitExternalModuleReference(node) { - write("require("); - emitExpression(node.expression); - write(")"); - } - function emitJsxElement(node) { - emit(node.openingElement); - emitList(node, node.children, 131072); - emit(node.closingElement); - } - function emitJsxSelfClosingElement(node) { - write("<"); - emitJsxTagName(node.tagName); - write(" "); - emitList(node, node.attributes, 131328); - write("/>"); - } - function emitJsxOpeningElement(node) { - write("<"); - emitJsxTagName(node.tagName); - writeIfAny(node.attributes, " "); - emitList(node, node.attributes, 131328); - write(">"); - } - function emitJsxText(node) { - writer.writeLiteral(getTextOfNode(node, true)); - } - function emitJsxClosingElement(node) { - write(""); - } - function emitJsxAttribute(node) { - emit(node.name); - emitWithPrefix("=", node.initializer); - } - function emitJsxSpreadAttribute(node) { - write("{..."); - emitExpression(node.expression); + function writeInterfaceDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("interface "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; } - function emitJsxExpression(node) { - if (node.expression) { - write("{"); - emitExpression(node.expression); - write("}"); + function emitPropertyDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; } + emitJsDocComments(node); + emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + emitVariableDeclaration(node); + write(";"); + writeLine(); } - function emitJsxTagName(node) { - if (node.kind === 70) { - emitExpression(node); + function emitVariableDeclaration(node) { + if (node.kind !== 219 || resolver.isDeclarationVisible(node)) { + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + if ((node.kind === 146 || node.kind === 145 || + (node.kind === 143 && !ts.isParameterPropertyDeclaration(node))) && ts.hasQuestionToken(node)) { + write("?"); + } + if ((node.kind === 146 || node.kind === 145) && node.parent.kind === 160) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (resolver.isLiteralConstDeclaration(node)) { + write(" = "); + resolver.writeLiteralConstValue(node, writer); + } + else if (!ts.hasModifier(node, 8)) { + writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); + } + } } - else { - emit(node); + function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { + if (node.kind === 219) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; + } + else if (node.kind === 146 || node.kind === 145) { + if (ts.hasModifier(node, 32)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 222) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + function getVariableDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function emitBindingPattern(bindingPattern) { + var elements = []; + for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 194) { + elements.push(element); + } + } + emitCommaList(elements, emitBindingElement); + } + function emitBindingElement(bindingElement) { + function getBindingElementTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: bindingElement, + typeName: bindingElement.name + } : undefined; + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + writeTextOfNode(currentText, bindingElement.name); + writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); + } + } } } - function emitCaseClause(node) { - write("case "); - emitExpression(node.expression); - write(":"); - emitCaseOrDefaultClauseStatements(node, node.statements); + function emitTypeOfVariableDeclarationFromTypeLiteral(node) { + if (node.type) { + write(": "); + emitType(node.type); + } } - function emitDefaultClause(node) { - write("default:"); - emitCaseOrDefaultClauseStatements(node, node.statements); + function isVariableStatementVisible(node) { + return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); } - function emitCaseOrDefaultClauseStatements(parentNode, statements) { - var emitAsSingleStatement = statements.length === 1 && - (ts.nodeIsSynthesized(parentNode) || - ts.nodeIsSynthesized(statements[0]) || - ts.rangeStartPositionsAreOnSameLine(parentNode, statements[0], currentSourceFile)); - if (emitAsSingleStatement) { - write(" "); - emit(statements[0]); + function writeVariableStatement(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isLet(node.declarationList)) { + write("let "); + } + else if (ts.isConst(node.declarationList)) { + write("const "); } else { - emitList(parentNode, statements, 81985); + write("var "); } - } - function emitHeritageClause(node) { - write(" "); - writeTokenText(node.token); - write(" "); - emitList(node, node.types, 272); - } - function emitCatchClause(node) { + emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); + write(";"); writeLine(); - var openParenPos = writeToken(73, node.pos); - write(" "); - writeToken(18, openParenPos); - emit(node.variableDeclaration); - writeToken(19, node.variableDeclaration ? node.variableDeclaration.end : openParenPos); - write(" "); - emit(node.block); } - function emitPropertyAssignment(node) { - emit(node.name); - write(": "); - var initializer = node.initializer; - if ((ts.getEmitFlags(initializer) & 16384) === 0) { - var commentRange = ts.getCommentRange(initializer); - emitTrailingCommentsOfPosition(commentRange.pos); + function emitAccessorDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; } - emitExpression(initializer); - } - function emitShorthandPropertyAssignment(node) { - emit(node.name); - if (node.objectAssignmentInitializer) { - write(" = "); - emitExpression(node.objectAssignmentInitializer); + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + var accessorWithTypeAnnotation; + if (node === accessors.firstAccessor) { + emitJsDocComments(accessors.getAccessor); + emitJsDocComments(accessors.setAccessor); + emitClassMemberDeclarationFlags(ts.getModifierFlags(node) | (accessors.setAccessor ? 0 : 64)); + writeTextOfNode(currentText, node.name); + if (!ts.hasModifier(node, 8)) { + accessorWithTypeAnnotation = node; + var type = getTypeAnnotationFromAccessor(node); + if (!type) { + var anotherAccessor = node.kind === 150 ? accessors.setAccessor : accessors.getAccessor; + type = getTypeAnnotationFromAccessor(anotherAccessor); + if (type) { + accessorWithTypeAnnotation = anotherAccessor; + } + } + writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + } + write(";"); + writeLine(); } - } - function emitEnumMember(node) { - emit(node.name); - emitExpressionWithPrefix(" = ", node.initializer); - } - function emitSourceFile(node) { - writeLine(); - emitShebang(); - emitBodyWithDetachedComments(node, node.statements, emitSourceFileWorker); - } - function emitSourceFileWorker(node) { - var statements = node.statements; - var statementOffset = emitPrologueDirectives(statements); - var savedTempFlags = tempFlags; - tempFlags = 0; - emitHelpers(node); - emitList(node, statements, 1, statementOffset); - tempFlags = savedTempFlags; - } - function emitPartiallyEmittedExpression(node) { - emitExpression(node.expression); - } - function emitPrologueDirectives(statements, startWithNewLine) { - for (var i = 0; i < statements.length; i++) { - if (ts.isPrologueDirective(statements[i])) { - if (startWithNewLine || i > 0) { - writeLine(); + function getTypeAnnotationFromAccessor(accessor) { + if (accessor) { + return accessor.kind === 150 + ? accessor.type + : accessor.parameters.length > 0 + ? accessor.parameters[0].type + : undefined; + } + } + function getAccessorDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage; + if (accessorWithTypeAnnotation.kind === 151) { + if (ts.hasModifier(accessorWithTypeAnnotation.parent, 32)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; } - emit(statements[i]); + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.parameters[0], + typeName: accessorWithTypeAnnotation.name + }; } else { - return i; + if (ts.hasModifier(accessorWithTypeAnnotation, 32)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.name, + typeName: undefined + }; } } - return statements.length; - } - function emitHelpers(node) { - var emitFlags = ts.getEmitFlags(node); - var helpersEmitted = false; - if (emitFlags & 1) { - helpersEmitted = emitEmitHelpers(currentSourceFile); - } - if (emitFlags & 2) { - writeLines(exportStarHelper); - helpersEmitted = true; - } - if (emitFlags & 4) { - writeLines(superHelper); - helpersEmitted = true; - } - if (emitFlags & 8) { - writeLines(advancedSuperHelper); - helpersEmitted = true; - } - return helpersEmitted; } - function emitEmitHelpers(node) { - if (compilerOptions.noEmitHelpers) { - return false; - } - if (compilerOptions.importHelpers - && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { - return false; - } - var helpersEmitted = false; - if ((languageVersion < 2) && (!extendsEmitted && node.flags & 1024)) { - writeLines(extendsHelper); - extendsEmitted = true; - helpersEmitted = true; - } - if (compilerOptions.jsx !== 1 && !assignEmitted && (node.flags & 16384)) { - writeLines(assignHelper); - assignEmitted = true; + function writeFunctionDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; } - if (!decorateEmitted && node.flags & 2048) { - writeLines(decorateHelper); - if (compilerOptions.emitDecoratorMetadata) { - writeLines(metadataHelper); + if (!resolver.isImplementationOfOverload(node)) { + emitJsDocComments(node); + if (node.kind === 221) { + emitModuleElementDeclarationFlags(node); } - decorateEmitted = true; - helpersEmitted = true; - } - if (!paramEmitted && node.flags & 4096) { - writeLines(paramHelper); - paramEmitted = true; - helpersEmitted = true; - } - if ((languageVersion < 4) && (!awaiterEmitted && node.flags & 8192)) { - writeLines(awaiterHelper); - if (languageVersion < 2) { - writeLines(generatorHelper); + else if (node.kind === 148 || node.kind === 149) { + emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + } + if (node.kind === 221) { + write("function "); + writeTextOfNode(currentText, node.name); + } + else if (node.kind === 149) { + write("constructor"); + } + else { + writeTextOfNode(currentText, node.name); + if (ts.hasQuestionToken(node)) { + write("?"); + } } - awaiterEmitted = true; - helpersEmitted = true; - } - if (helpersEmitted) { - writeLine(); + emitSignatureDeclaration(node); } - return helpersEmitted; } - function writeLines(text) { - var lines = text.split(/\r\n|\r|\n/g); - for (var i = 0; i < lines.length; i++) { - var line = lines[i]; - if (line.length) { - if (i > 0) { - writeLine(); + function emitSignatureDeclarationWithJsDocComments(node) { + emitJsDocComments(node); + emitSignatureDeclaration(node); + } + function emitSignatureDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + var closeParenthesizedFunctionType = false; + if (node.kind === 154) { + emitClassMemberDeclarationFlags(ts.getModifierFlags(node)); + write("["); + } + else { + if (node.kind === 153 || node.kind === 158) { + write("new "); + } + else if (node.kind === 157) { + var currentOutput = writer.getText(); + if (node.typeParameters && currentOutput.charAt(currentOutput.length - 1) === "<") { + closeParenthesizedFunctionType = true; + write("("); } - write(line); } + emitTypeParameters(node.typeParameters); + write("("); } - } - function emitShebang() { - var shebang = ts.getShebang(currentText); - if (shebang) { - write(shebang); + emitCommaList(node.parameters, emitParameterDeclaration); + if (node.kind === 154) { + write("]"); + } + else { + write(")"); + } + var isFunctionTypeOrConstructorType = node.kind === 157 || node.kind === 158; + if (isFunctionTypeOrConstructorType || node.parent.kind === 160) { + if (node.type) { + write(isFunctionTypeOrConstructorType ? " => " : ": "); + emitType(node.type); + } + } + else if (node.kind !== 149 && !ts.hasModifier(node, 8)) { + writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + } + enclosingDeclaration = prevEnclosingDeclaration; + if (!isFunctionTypeOrConstructorType) { + write(";"); writeLine(); } - } - function emitModifiers(node, modifiers) { - if (modifiers && modifiers.length) { - emitList(node, modifiers, 256); - write(" "); + else if (closeParenthesizedFunctionType) { + write(")"); } - } - function emitWithPrefix(prefix, node) { - emitNodeWithPrefix(prefix, node, emit); - } - function emitExpressionWithPrefix(prefix, node) { - emitNodeWithPrefix(prefix, node, emitExpression); - } - function emitNodeWithPrefix(prefix, node, emit) { - if (node) { - write(prefix); - emit(node); + function getReturnTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage; + switch (node.kind) { + case 153: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 152: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 154: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 148: + case 147: + if (ts.hasModifier(node, 32)) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; + } + else if (node.parent.kind === 222) { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; + } + break; + case 221: + diagnosticMessage = symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; + break; + default: + ts.Debug.fail("This is unknown kind for signature: " + node.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name || node + }; } } - function emitWithSuffix(node, suffix) { - if (node) { - emit(node); - write(suffix); + function emitParameterDeclaration(node) { + increaseIndent(); + emitJsDocComments(node); + if (node.dotDotDotToken) { + write("..."); } - } - function emitEmbeddedStatement(node) { - if (ts.isBlock(node)) { - write(" "); - emit(node); + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); } else { - writeLine(); - increaseIndent(); - emit(node); - decreaseIndent(); + writeTextOfNode(currentText, node.name); } - } - function emitDecorators(parentNode, decorators) { - emitList(parentNode, decorators, 24577); - } - function emitTypeArguments(parentNode, typeArguments) { - emitList(parentNode, typeArguments, 26960); - } - function emitTypeParameters(parentNode, typeParameters) { - emitList(parentNode, typeParameters, 26960); - } - function emitParameters(parentNode, parameters) { - emitList(parentNode, parameters, 1360); - } - function emitParametersForArrow(parentNode, parameters) { - if (parameters && - parameters.length === 1 && - parameters[0].type === undefined && - parameters[0].pos === parentNode.pos) { - emit(parameters[0]); + if (resolver.isOptionalParameter(node)) { + write("?"); } - else { - emitParameters(parentNode, parameters); + decreaseIndent(); + if (node.parent.kind === 157 || + node.parent.kind === 158 || + node.parent.parent.kind === 160) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); } - } - function emitParametersForIndexSignature(parentNode, parameters) { - emitList(parentNode, parameters, 4432); - } - function emitList(parentNode, children, format, start, count) { - emitNodeList(emit, parentNode, children, format, start, count); - } - function emitExpressionList(parentNode, children, format, start, count) { - emitNodeList(emitExpression, parentNode, children, format, start, count); - } - function emitNodeList(emit, parentNode, children, format, start, count) { - if (start === void 0) { start = 0; } - if (count === void 0) { count = children ? children.length - start : 0; } - var isUndefined = children === undefined; - if (isUndefined && format & 8192) { - return; + else if (!ts.hasModifier(node.parent, 8)) { + writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); } - var isEmpty = isUndefined || children.length === 0 || start >= children.length || count === 0; - if (isEmpty && format & 16384) { - return; + function getParameterDeclarationTypeVisibilityError(symbolAccessibilityResult) { + var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; } - if (format & 7680) { - write(getOpeningBracket(format)); + function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) { + switch (node.parent.kind) { + case 149: + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; + case 153: + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + case 152: + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + case 148: + case 147: + if (ts.hasModifier(node.parent, 32)) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 222) { + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccessibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + case 221: + return symbolAccessibilityResult.errorModuleName ? + symbolAccessibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; + default: + ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + } } - if (isEmpty) { - if (format & 1) { - writeLine(); + function emitBindingPattern(bindingPattern) { + if (bindingPattern.kind === 168) { + write("{"); + emitCommaList(bindingPattern.elements, emitBindingElement); + write("}"); } - else if (format & 128) { - write(" "); + else if (bindingPattern.kind === 169) { + write("["); + var elements = bindingPattern.elements; + emitCommaList(elements, emitBindingElement); + if (elements && elements.hasTrailingComma) { + write(", "); + } + write("]"); } } - else { - var mayEmitInterveningComments = (format & 131072) === 0; - var shouldEmitInterveningComments = mayEmitInterveningComments; - if (shouldWriteLeadingLineTerminator(parentNode, children, format)) { - writeLine(); - shouldEmitInterveningComments = false; - } - else if (format & 128) { + function emitBindingElement(bindingElement) { + if (bindingElement.kind === 194) { write(" "); } - if (format & 64) { - increaseIndent(); - } - var previousSibling = void 0; - var shouldDecreaseIndentAfterEmit = void 0; - var delimiter = getDelimiter(format); - for (var i = 0; i < count; i++) { - var child = children[start + i]; - if (previousSibling) { - write(delimiter); - if (shouldWriteSeparatingLineTerminator(previousSibling, child, format)) { - if ((format & (3 | 64)) === 0) { - increaseIndent(); - shouldDecreaseIndentAfterEmit = true; - } - writeLine(); - shouldEmitInterveningComments = false; + else if (bindingElement.kind === 170) { + if (bindingElement.propertyName) { + writeTextOfNode(currentText, bindingElement.propertyName); + write(": "); + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); } - else if (previousSibling && format & 256) { - write(" "); + else { + ts.Debug.assert(bindingElement.name.kind === 70); + if (bindingElement.dotDotDotToken) { + write("..."); + } + writeTextOfNode(currentText, bindingElement.name); } } - if (shouldEmitInterveningComments) { - var commentRange = ts.getCommentRange(child); - emitTrailingCommentsOfPosition(commentRange.pos); - } - else { - shouldEmitInterveningComments = mayEmitInterveningComments; - } - emit(child); - if (shouldDecreaseIndentAfterEmit) { - decreaseIndent(); - shouldDecreaseIndentAfterEmit = false; - } - previousSibling = child; - } - var hasTrailingComma = (format & 32) && children.hasTrailingComma; - if (format & 16 && hasTrailingComma) { - write(","); - } - if (format & 64) { - decreaseIndent(); - } - if (shouldWriteClosingLineTerminator(parentNode, children, format)) { - writeLine(); } - else if (format & 128) { - write(" "); - } - } - if (format & 7680) { - write(getClosingBracket(format)); } } - function writeIfAny(nodes, text) { - if (nodes && nodes.length > 0) { - write(text); + function emitNode(node) { + switch (node.kind) { + case 221: + case 226: + case 230: + case 223: + case 222: + case 224: + case 225: + return emitModuleElement(node, isModuleElementVisible(node)); + case 201: + return emitModuleElement(node, isVariableStatementVisible(node)); + case 231: + return emitModuleElement(node, !node.importClause); + case 237: + return emitExportDeclaration(node); + case 149: + case 148: + case 147: + return writeFunctionDeclaration(node); + case 153: + case 152: + case 154: + return emitSignatureDeclarationWithJsDocComments(node); + case 150: + case 151: + return emitAccessorDeclaration(node); + case 146: + case 145: + return emitPropertyDeclaration(node); + case 255: + return emitEnumMemberDeclaration(node); + case 236: + return emitExportAssignment(node); + case 256: + return emitSourceFile(node); } } - function writeIfPresent(node, text) { - if (node !== undefined) { - write(text); + function writeReferencePath(referencedFile, addBundledFileReference, emitOnlyDtsFiles) { + var declFileName; + var addedBundledEmitReference = false; + if (ts.isDeclarationFile(referencedFile)) { + declFileName = referencedFile.fileName; } - } - function writeToken(token, pos, contextNode) { - return emitTokenWithSourceMap(contextNode, token, pos, writeTokenText); - } - function writeTokenText(token, pos) { - var tokenString = ts.tokenToString(token); - write(tokenString); - return pos < 0 ? pos : pos + tokenString.length; - } - function increaseIndentIf(value, valueToWriteWhenNotIndenting) { - if (value) { - increaseIndent(); - writeLine(); + else { + ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile, emitOnlyDtsFiles); } - else if (valueToWriteWhenNotIndenting) { - write(valueToWriteWhenNotIndenting); + if (declFileName) { + declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false); + referencesOutput += "/// " + newLine; + } + return addedBundledEmitReference; + function getDeclFileName(emitFileNames, _sourceFiles, isBundledEmit) { + if (isBundledEmit && !addBundledFileReference) { + return; + } + ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); + declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; + addedBundledEmitReference = isBundledEmit; } } - function decreaseIndentIf(value1, value2) { - if (value1) { - decreaseIndent(); + } + function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) { + var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles); + var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; + if (!emitSkipped) { + var declarationOutput = emitDeclarationResult.referencesOutput + + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); + ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM, sourceFiles); + } + return emitSkipped; + function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { + var appliedSyncOutputPos = 0; + var declarationOutput = ""; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.asynchronousOutput) { + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); + declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); + appliedSyncOutputPos = aliasEmitInfo.outputPos; + } + }); + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); + return declarationOutput; + } + } + ts.writeDeclarationFile = writeDeclarationFile; +})(ts || (ts = {})); +var ts; +(function (ts) { + var defaultLastEncodedSourceMapSpan = { + emittedLine: 1, + emittedColumn: 1, + sourceLine: 1, + sourceColumn: 1, + sourceIndex: 0 + }; + function createSourceMapWriter(host, writer) { + var compilerOptions = host.getCompilerOptions(); + var extendedDiagnostics = compilerOptions.extendedDiagnostics; + var currentSourceFile; + var currentSourceText; + var sourceMapDir; + var sourceMapSourceIndex; + var lastRecordedSourceMapSpan; + var lastEncodedSourceMapSpan; + var lastEncodedNameIndex; + var sourceMapData; + var disabled = !(compilerOptions.sourceMap || compilerOptions.inlineSourceMap); + return { + initialize: initialize, + reset: reset, + getSourceMapData: function () { return sourceMapData; }, + setSourceFile: setSourceFile, + emitPos: emitPos, + emitNodeWithSourceMap: emitNodeWithSourceMap, + emitTokenWithSourceMap: emitTokenWithSourceMap, + getText: getText, + getSourceMappingURL: getSourceMappingURL, + }; + function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + if (disabled) { + return; } - if (value2) { - decreaseIndent(); + if (sourceMapData) { + reset(); } - } - function shouldWriteLeadingLineTerminator(parentNode, children, format) { - if (format & 1) { - return true; + currentSourceFile = undefined; + currentSourceText = undefined; + sourceMapSourceIndex = -1; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; + lastEncodedNameIndex = 0; + sourceMapData = { + sourceMapFilePath: sourceMapFilePath, + jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, + sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), + sourceMapSourceRoot: compilerOptions.sourceRoot || "", + sourceMapSources: [], + inputSourceFileNames: [], + sourceMapNames: [], + sourceMapMappings: "", + sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, + sourceMapDecodedMappings: [] + }; + sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); + if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { + sourceMapData.sourceMapSourceRoot += ts.directorySeparator; } - if (format & 2) { - if (format & 32768) { - return true; - } - var firstChild = children[0]; - if (firstChild === undefined) { - return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); + if (compilerOptions.mapRoot) { + sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); + if (!isBundledEmit) { + ts.Debug.assert(sourceFiles.length === 1); + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); } - else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(firstChild)) { - return synthesizedNodeStartsOnNewLine(firstChild, format); + if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); } else { - return !ts.rangeStartPositionsAreOnSameLine(parentNode, firstChild, currentSourceFile); + sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); } } else { - return false; + sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); } } - function shouldWriteSeparatingLineTerminator(previousNode, nextNode, format) { - if (format & 1) { - return true; - } - else if (format & 2) { - if (previousNode === undefined || nextNode === undefined) { - return false; - } - else if (ts.nodeIsSynthesized(previousNode) || ts.nodeIsSynthesized(nextNode)) { - return synthesizedNodeStartsOnNewLine(previousNode, format) || synthesizedNodeStartsOnNewLine(nextNode, format); - } - else { - return !ts.rangeEndIsOnSameLineAsRangeStart(previousNode, nextNode, currentSourceFile); - } - } - else { - return nextNode.startsOnNewLine; + function reset() { + if (disabled) { + return; } + currentSourceFile = undefined; + sourceMapDir = undefined; + sourceMapSourceIndex = undefined; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = undefined; + lastEncodedNameIndex = undefined; + sourceMapData = undefined; } - function shouldWriteClosingLineTerminator(parentNode, children, format) { - if (format & 1) { - return (format & 65536) === 0; + function encodeLastRecordedSourceMapSpan() { + if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + return; } - else if (format & 2) { - if (format & 32768) { - return true; - } - var lastChild = ts.lastOrUndefined(children); - if (lastChild === undefined) { - return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); - } - else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(lastChild)) { - return synthesizedNodeStartsOnNewLine(lastChild, format); - } - else { - return !ts.rangeEndPositionsAreOnSameLine(parentNode, lastChild, currentSourceFile); + var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; + if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { + if (sourceMapData.sourceMapMappings) { + sourceMapData.sourceMapMappings += ","; } } else { - return false; - } - } - function synthesizedNodeStartsOnNewLine(node, format) { - if (ts.nodeIsSynthesized(node)) { - var startsOnNewLine = node.startsOnNewLine; - if (startsOnNewLine === undefined) { - return (format & 32768) !== 0; + for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { + sourceMapData.sourceMapMappings += ";"; } - return startsOnNewLine; + prevEncodedEmittedColumn = 1; } - return (format & 32768) !== 0; - } - function needsIndentation(parent, node1, node2) { - parent = skipSynthesizedParentheses(parent); - node1 = skipSynthesizedParentheses(node1); - node2 = skipSynthesizedParentheses(node2); - if (node2.startsOnNewLine) { - return true; + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); + if (lastRecordedSourceMapSpan.nameIndex >= 0) { + ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); + lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; } - return !ts.nodeIsSynthesized(parent) - && !ts.nodeIsSynthesized(node1) - && !ts.nodeIsSynthesized(node2) - && !ts.rangeEndIsOnSameLineAsRangeStart(node1, node2, currentSourceFile); + lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; + sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); } - function skipSynthesizedParentheses(node) { - while (node.kind === 179 && ts.nodeIsSynthesized(node)) { - node = node.expression; + function emitPos(pos) { + if (disabled || ts.positionIsSynthesized(pos)) { + return; } - return node; - } - function getTextOfNode(node, includeTrivia) { - if (ts.isGeneratedIdentifier(node)) { - return getGeneratedIdentifier(node); + if (extendedDiagnostics) { + ts.performance.mark("beforeSourcemap"); } - else if (ts.isIdentifier(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { - return ts.unescapeIdentifier(node.text); + var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); + sourceLinePos.line++; + sourceLinePos.character++; + var emittedLine = writer.getLine(); + var emittedColumn = writer.getColumn(); + if (!lastRecordedSourceMapSpan || + lastRecordedSourceMapSpan.emittedLine !== emittedLine || + lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || + (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && + (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || + (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { + encodeLastRecordedSourceMapSpan(); + lastRecordedSourceMapSpan = { + emittedLine: emittedLine, + emittedColumn: emittedColumn, + sourceLine: sourceLinePos.line, + sourceColumn: sourceLinePos.character, + sourceIndex: sourceMapSourceIndex + }; } - else if (node.kind === 9 && node.textSourceNode) { - return getTextOfNode(node.textSourceNode, includeTrivia); + else { + lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; + lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; + lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; } - else if (ts.isLiteralExpression(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { - return node.text; + if (extendedDiagnostics) { + ts.performance.mark("afterSourcemap"); + ts.performance.measure("Source Map", "beforeSourcemap", "afterSourcemap"); } - return ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node, includeTrivia); } - function getLiteralTextOfNode(node) { - if (node.kind === 9 && node.textSourceNode) { - var textSourceNode = node.textSourceNode; - if (ts.isIdentifier(textSourceNode)) { - return "\"" + ts.escapeNonAsciiCharacters(ts.escapeString(getTextOfNode(textSourceNode))) + "\""; + function emitNodeWithSourceMap(emitContext, node, emitCallback) { + if (disabled) { + return emitCallback(emitContext, node); + } + if (node) { + var emitNode = node.emitNode; + var emitFlags = emitNode && emitNode.flags; + var _a = emitNode && emitNode.sourceMapRange || node, pos = _a.pos, end = _a.end; + if (node.kind !== 287 + && (emitFlags & 512) === 0 + && pos >= 0) { + emitPos(ts.skipTrivia(currentSourceText, pos)); + } + if (emitFlags & 2048) { + disabled = true; + emitCallback(emitContext, node); + disabled = false; } else { - return getLiteralTextOfNode(textSourceNode); + emitCallback(emitContext, node); } - } - return ts.getLiteralText(node, currentSourceFile, languageVersion); - } - function isSingleLineEmptyBlock(block) { - return !block.multiLine - && isEmptyBlock(block); - } - function isEmptyBlock(block) { - return block.statements.length === 0 - && ts.rangeEndIsOnSameLineAsRangeStart(block, block, currentSourceFile); - } - function isUniqueName(name) { - return !resolver.hasGlobalName(name) && - !ts.hasProperty(currentFileIdentifiers, name) && - !ts.hasProperty(generatedNameSet, name); - } - function isUniqueLocalName(name, container) { - for (var node = container; ts.isNodeDescendantOf(node, container); node = node.nextContainer) { - if (node.locals && ts.hasProperty(node.locals, name)) { - if (node.locals[name].flags & (107455 | 1048576 | 8388608)) { - return false; - } + if (node.kind !== 287 + && (emitFlags & 1024) === 0 + && end >= 0) { + emitPos(end); } } - return true; } - function makeTempVariableName(flags) { - if (flags && !(tempFlags & flags)) { - var name_41 = flags === 268435456 ? "_i" : "_n"; - if (isUniqueName(name_41)) { - tempFlags |= flags; - return name_41; - } + function emitTokenWithSourceMap(node, token, tokenPos, emitCallback) { + if (disabled) { + return emitCallback(token, tokenPos); } - while (true) { - var count = tempFlags & 268435455; - tempFlags++; - if (count !== 8 && count !== 13) { - var name_42 = count < 26 - ? "_" + String.fromCharCode(97 + count) - : "_" + (count - 26); - if (isUniqueName(name_42)) { - return name_42; - } - } + var emitNode = node && node.emitNode; + var emitFlags = emitNode && emitNode.flags; + var range = emitNode && emitNode.tokenSourceMapRanges && emitNode.tokenSourceMapRanges[token]; + tokenPos = ts.skipTrivia(currentSourceText, range ? range.pos : tokenPos); + if ((emitFlags & 4096) === 0 && tokenPos >= 0) { + emitPos(tokenPos); + } + tokenPos = emitCallback(token, tokenPos); + if (range) + tokenPos = range.end; + if ((emitFlags & 8192) === 0 && tokenPos >= 0) { + emitPos(tokenPos); } + return tokenPos; } - function makeUniqueName(baseName) { - if (baseName.charCodeAt(baseName.length - 1) !== 95) { - baseName += "_"; + function setSourceFile(sourceFile) { + if (disabled) { + return; } - var i = 1; - while (true) { - var generatedName = baseName + i; - if (isUniqueName(generatedName)) { - return generatedNameSet[generatedName] = generatedName; + currentSourceFile = sourceFile; + currentSourceText = currentSourceFile.text; + var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; + var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); + sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); + if (sourceMapSourceIndex === -1) { + sourceMapSourceIndex = sourceMapData.sourceMapSources.length; + sourceMapData.sourceMapSources.push(source); + sourceMapData.inputSourceFileNames.push(currentSourceFile.fileName); + if (compilerOptions.inlineSources) { + sourceMapData.sourceMapSourcesContent.push(currentSourceFile.text); } - i++; - } - } - function generateNameForModuleOrEnum(node) { - var name = getTextOfNode(node.name); - return isUniqueLocalName(name, node) ? name : makeUniqueName(name); - } - function generateNameForImportOrExportDeclaration(node) { - var expr = ts.getExternalModuleName(node); - var baseName = expr.kind === 9 ? - ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; - return makeUniqueName(baseName); - } - function generateNameForExportDefault() { - return makeUniqueName("default"); - } - function generateNameForClassExpression() { - return makeUniqueName("class"); - } - function generateNameForNode(node) { - switch (node.kind) { - case 70: - return makeUniqueName(getTextOfNode(node)); - case 226: - case 225: - return generateNameForModuleOrEnum(node); - case 231: - case 237: - return generateNameForImportOrExportDeclaration(node); - case 221: - case 222: - case 236: - return generateNameForExportDefault(); - case 193: - return generateNameForClassExpression(); - default: - return makeTempVariableName(0); } } - function generateName(name) { - switch (name.autoGenerateKind) { - case 1: - return makeTempVariableName(0); - case 2: - return makeTempVariableName(268435456); - case 3: - return makeUniqueName(name.text); + function getText() { + if (disabled) { + return; } - ts.Debug.fail("Unsupported GeneratedIdentifierKind."); + encodeLastRecordedSourceMapSpan(); + return ts.stringify({ + version: 3, + file: sourceMapData.sourceMapFile, + sourceRoot: sourceMapData.sourceMapSourceRoot, + sources: sourceMapData.sourceMapSources, + names: sourceMapData.sourceMapNames, + mappings: sourceMapData.sourceMapMappings, + sourcesContent: sourceMapData.sourceMapSourcesContent, + }); } - function getNodeForGeneratedName(name) { - var autoGenerateId = name.autoGenerateId; - var node = name; - var original = node.original; - while (original) { - node = original; - if (ts.isIdentifier(node) - && node.autoGenerateKind === 4 - && node.autoGenerateId !== autoGenerateId) { - break; - } - original = node.original; + function getSourceMappingURL() { + if (disabled) { + return; } - return node; - } - function getGeneratedIdentifier(name) { - if (name.autoGenerateKind === 4) { - var node = getNodeForGeneratedName(name); - var nodeId = ts.getNodeId(node); - return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = ts.unescapeIdentifier(generateNameForNode(node))); + if (compilerOptions.inlineSourceMap) { + var base64SourceMapText = ts.convertToBase64(getText()); + return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; } else { - var autoGenerateId = name.autoGenerateId; - return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = ts.unescapeIdentifier(generateName(name))); + return sourceMapData.jsSourceMappingURL; } } - function createDelimiterMap() { - var delimiters = []; - delimiters[0] = ""; - delimiters[16] = ","; - delimiters[4] = " |"; - delimiters[8] = " &"; - return delimiters; - } - function getDelimiter(format) { - return delimiters[format & 28]; - } - function createBracketsMap() { - var brackets = []; - brackets[512] = ["{", "}"]; - brackets[1024] = ["(", ")"]; - brackets[2048] = ["<", ">"]; - brackets[4096] = ["[", "]"]; - return brackets; + } + ts.createSourceMapWriter = createSourceMapWriter; + var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + function base64FormatEncode(inValue) { + if (inValue < 64) { + return base64Chars.charAt(inValue); } - function getOpeningBracket(format) { - return brackets[format & 7680][0]; + throw TypeError(inValue + ": not a 64 based value"); + } + function base64VLQFormatEncode(inValue) { + if (inValue < 0) { + inValue = ((-inValue) << 1) + 1; } - function getClosingBracket(format) { - return brackets[format & 7680][1]; + else { + inValue = inValue << 1; } + var encodedStr = ""; + do { + var currentDigit = inValue & 31; + inValue = inValue >> 5; + if (inValue > 0) { + currentDigit = currentDigit | 32; + } + encodedStr = encodedStr + base64FormatEncode(currentDigit); + } while (inValue > 0); + return encodedStr; } - ts.emitFiles = emitFiles; - var ListFormat; - (function (ListFormat) { - ListFormat[ListFormat["None"] = 0] = "None"; - ListFormat[ListFormat["SingleLine"] = 0] = "SingleLine"; - ListFormat[ListFormat["MultiLine"] = 1] = "MultiLine"; - ListFormat[ListFormat["PreserveLines"] = 2] = "PreserveLines"; - ListFormat[ListFormat["LinesMask"] = 3] = "LinesMask"; - ListFormat[ListFormat["NotDelimited"] = 0] = "NotDelimited"; - ListFormat[ListFormat["BarDelimited"] = 4] = "BarDelimited"; - ListFormat[ListFormat["AmpersandDelimited"] = 8] = "AmpersandDelimited"; - ListFormat[ListFormat["CommaDelimited"] = 16] = "CommaDelimited"; - ListFormat[ListFormat["DelimitersMask"] = 28] = "DelimitersMask"; - ListFormat[ListFormat["AllowTrailingComma"] = 32] = "AllowTrailingComma"; - ListFormat[ListFormat["Indented"] = 64] = "Indented"; - ListFormat[ListFormat["SpaceBetweenBraces"] = 128] = "SpaceBetweenBraces"; - ListFormat[ListFormat["SpaceBetweenSiblings"] = 256] = "SpaceBetweenSiblings"; - ListFormat[ListFormat["Braces"] = 512] = "Braces"; - ListFormat[ListFormat["Parenthesis"] = 1024] = "Parenthesis"; - ListFormat[ListFormat["AngleBrackets"] = 2048] = "AngleBrackets"; - ListFormat[ListFormat["SquareBrackets"] = 4096] = "SquareBrackets"; - ListFormat[ListFormat["BracketsMask"] = 7680] = "BracketsMask"; - ListFormat[ListFormat["OptionalIfUndefined"] = 8192] = "OptionalIfUndefined"; - ListFormat[ListFormat["OptionalIfEmpty"] = 16384] = "OptionalIfEmpty"; - ListFormat[ListFormat["Optional"] = 24576] = "Optional"; - ListFormat[ListFormat["PreferNewLine"] = 32768] = "PreferNewLine"; - ListFormat[ListFormat["NoTrailingNewLine"] = 65536] = "NoTrailingNewLine"; - ListFormat[ListFormat["NoInterveningComments"] = 131072] = "NoInterveningComments"; - ListFormat[ListFormat["Modifiers"] = 256] = "Modifiers"; - ListFormat[ListFormat["HeritageClauses"] = 256] = "HeritageClauses"; - ListFormat[ListFormat["TypeLiteralMembers"] = 65] = "TypeLiteralMembers"; - ListFormat[ListFormat["TupleTypeElements"] = 336] = "TupleTypeElements"; - ListFormat[ListFormat["UnionTypeConstituents"] = 260] = "UnionTypeConstituents"; - ListFormat[ListFormat["IntersectionTypeConstituents"] = 264] = "IntersectionTypeConstituents"; - ListFormat[ListFormat["ObjectBindingPatternElements"] = 432] = "ObjectBindingPatternElements"; - ListFormat[ListFormat["ArrayBindingPatternElements"] = 304] = "ArrayBindingPatternElements"; - ListFormat[ListFormat["ObjectLiteralExpressionProperties"] = 978] = "ObjectLiteralExpressionProperties"; - ListFormat[ListFormat["ArrayLiteralExpressionElements"] = 4466] = "ArrayLiteralExpressionElements"; - ListFormat[ListFormat["CallExpressionArguments"] = 1296] = "CallExpressionArguments"; - ListFormat[ListFormat["NewExpressionArguments"] = 9488] = "NewExpressionArguments"; - ListFormat[ListFormat["TemplateExpressionSpans"] = 131072] = "TemplateExpressionSpans"; - ListFormat[ListFormat["SingleLineBlockStatements"] = 384] = "SingleLineBlockStatements"; - ListFormat[ListFormat["MultiLineBlockStatements"] = 65] = "MultiLineBlockStatements"; - ListFormat[ListFormat["VariableDeclarationList"] = 272] = "VariableDeclarationList"; - ListFormat[ListFormat["SingleLineFunctionBodyStatements"] = 384] = "SingleLineFunctionBodyStatements"; - ListFormat[ListFormat["MultiLineFunctionBodyStatements"] = 1] = "MultiLineFunctionBodyStatements"; - ListFormat[ListFormat["ClassHeritageClauses"] = 256] = "ClassHeritageClauses"; - ListFormat[ListFormat["ClassMembers"] = 65] = "ClassMembers"; - ListFormat[ListFormat["InterfaceMembers"] = 65] = "InterfaceMembers"; - ListFormat[ListFormat["EnumMembers"] = 81] = "EnumMembers"; - ListFormat[ListFormat["CaseBlockClauses"] = 65] = "CaseBlockClauses"; - ListFormat[ListFormat["NamedImportsOrExportsElements"] = 432] = "NamedImportsOrExportsElements"; - ListFormat[ListFormat["JsxElementChildren"] = 131072] = "JsxElementChildren"; - ListFormat[ListFormat["JsxElementAttributes"] = 131328] = "JsxElementAttributes"; - ListFormat[ListFormat["CaseOrDefaultClauseStatements"] = 81985] = "CaseOrDefaultClauseStatements"; - ListFormat[ListFormat["HeritageClauseTypes"] = 272] = "HeritageClauseTypes"; - ListFormat[ListFormat["SourceFileStatements"] = 65537] = "SourceFileStatements"; - ListFormat[ListFormat["Decorators"] = 24577] = "Decorators"; - ListFormat[ListFormat["TypeArguments"] = 26960] = "TypeArguments"; - ListFormat[ListFormat["TypeParameters"] = 26960] = "TypeParameters"; - ListFormat[ListFormat["Parameters"] = 1360] = "Parameters"; - ListFormat[ListFormat["IndexSignatureParameters"] = 4432] = "IndexSignatureParameters"; - })(ListFormat || (ListFormat = {})); })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.0"; - var emptyArray = []; - function findConfigFile(searchPath, fileExists, configName) { - if (configName === void 0) { configName = "tsconfig.json"; } - while (true) { - var fileName = ts.combinePaths(searchPath, configName); - if (fileExists(fileName)) { - return fileName; + function createCommentWriter(host, writer, sourceMap) { + var compilerOptions = host.getCompilerOptions(); + var extendedDiagnostics = compilerOptions.extendedDiagnostics; + var newLine = host.getNewLine(); + var emitPos = sourceMap.emitPos; + var containerPos = -1; + var containerEnd = -1; + var declarationListContainerEnd = -1; + var currentSourceFile; + var currentText; + var currentLineMap; + var detachedCommentsInfo; + var hasWrittenComment = false; + var disabled = compilerOptions.removeComments; + return { + reset: reset, + setSourceFile: setSourceFile, + emitNodeWithComments: emitNodeWithComments, + emitBodyWithDetachedComments: emitBodyWithDetachedComments, + emitTrailingCommentsOfPosition: emitTrailingCommentsOfPosition, + }; + function emitNodeWithComments(emitContext, node, emitCallback) { + if (disabled) { + emitCallback(emitContext, node); + return; + } + if (node) { + var _a = ts.getCommentRange(node), pos = _a.pos, end = _a.end; + var emitFlags = ts.getEmitFlags(node); + if ((pos < 0 && end < 0) || (pos === end)) { + if (emitFlags & 65536) { + disabled = true; + emitCallback(emitContext, node); + disabled = false; + } + else { + emitCallback(emitContext, node); + } + } + else { + if (extendedDiagnostics) { + ts.performance.mark("preEmitNodeWithComment"); + } + var isEmittedNode = node.kind !== 287; + var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; + var skipTrailingComments = end < 0 || (emitFlags & 32768) !== 0; + if (!skipLeadingComments) { + emitLeadingComments(pos, isEmittedNode); + } + var savedContainerPos = containerPos; + var savedContainerEnd = containerEnd; + var savedDeclarationListContainerEnd = declarationListContainerEnd; + if (!skipLeadingComments) { + containerPos = pos; + } + if (!skipTrailingComments) { + containerEnd = end; + if (node.kind === 220) { + declarationListContainerEnd = end; + } + } + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "preEmitNodeWithComment"); + } + if (emitFlags & 65536) { + disabled = true; + emitCallback(emitContext, node); + disabled = false; + } + else { + emitCallback(emitContext, node); + } + if (extendedDiagnostics) { + ts.performance.mark("beginEmitNodeWithComment"); + } + containerPos = savedContainerPos; + containerEnd = savedContainerEnd; + declarationListContainerEnd = savedDeclarationListContainerEnd; + if (!skipTrailingComments && isEmittedNode) { + emitTrailingComments(end); + } + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "beginEmitNodeWithComment"); + } + } + } + } + function emitBodyWithDetachedComments(node, detachedRange, emitCallback) { + if (extendedDiagnostics) { + ts.performance.mark("preEmitBodyWithDetachedComments"); + } + var pos = detachedRange.pos, end = detachedRange.end; + var emitFlags = ts.getEmitFlags(node); + var skipLeadingComments = pos < 0 || (emitFlags & 16384) !== 0; + var skipTrailingComments = disabled || end < 0 || (emitFlags & 32768) !== 0; + if (!skipLeadingComments) { + emitDetachedCommentsAndUpdateCommentsInfo(detachedRange); + } + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "preEmitBodyWithDetachedComments"); + } + if (emitFlags & 65536 && !disabled) { + disabled = true; + emitCallback(node); + disabled = false; + } + else { + emitCallback(node); + } + if (extendedDiagnostics) { + ts.performance.mark("beginEmitBodyWithDetachedCommetns"); + } + if (!skipTrailingComments) { + emitLeadingComments(detachedRange.end, true); } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "beginEmitBodyWithDetachedCommetns"); } - searchPath = parentPath; } - return undefined; - } - ts.findConfigFile = findConfigFile; - function resolveTripleslashReference(moduleName, containingFile) { - var basePath = ts.getDirectoryPath(containingFile); - var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); - return ts.normalizePath(referencedFileName); - } - ts.resolveTripleslashReference = resolveTripleslashReference; - function computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName) { - var commonPathComponents; - var failed = ts.forEach(fileNames, function (sourceFile) { - var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile, currentDirectory); - sourcePathComponents.pop(); - if (!commonPathComponents) { - commonPathComponents = sourcePathComponents; - return; + function emitLeadingComments(pos, isEmittedNode) { + hasWrittenComment = false; + if (isEmittedNode) { + forEachLeadingCommentToEmit(pos, emitLeadingComment); } - for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { - if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { - if (i === 0) { - return true; - } - commonPathComponents.length = i; - break; - } + else if (pos === 0) { + forEachLeadingCommentToEmit(pos, emitTripleSlashLeadingComment); } - if (sourcePathComponents.length < commonPathComponents.length) { - commonPathComponents.length = sourcePathComponents.length; + } + function emitTripleSlashLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos) { + if (isTripleSlashComment(commentPos, commentEnd)) { + emitLeadingComment(commentPos, commentEnd, kind, hasTrailingNewLine, rangePos); } - }); - if (failed) { - return ""; } - if (!commonPathComponents) { - return currentDirectory; + function emitLeadingComment(commentPos, commentEnd, _kind, hasTrailingNewLine, rangePos) { + if (!hasWrittenComment) { + ts.emitNewLineBeforeLeadingCommentOfPosition(currentLineMap, writer, rangePos, commentPos); + hasWrittenComment = true; + } + emitPos(commentPos); + ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); + } + else { + writer.write(" "); + } } - return ts.getNormalizedPathFromPathComponents(commonPathComponents); - } - ts.computeCommonSourceDirectoryOfFilenames = computeCommonSourceDirectoryOfFilenames; - function createCompilerHost(options, setParentNodes) { - var existingDirectories = ts.createMap(); - function getCanonicalFileName(fileName) { - return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + function emitTrailingComments(pos) { + forEachTrailingCommentToEmit(pos, emitTrailingComment); } - var unsupportedFileEncodingErrorCode = -2147024809; - function getSourceFile(fileName, languageVersion, onError) { - var text; - try { - ts.performance.mark("beforeIORead"); - text = ts.sys.readFile(fileName, options.charset); - ts.performance.mark("afterIORead"); - ts.performance.measure("I/O Read", "beforeIORead", "afterIORead"); + function emitTrailingComment(commentPos, commentEnd, _kind, hasTrailingNewLine) { + if (!writer.isAtStartOfLine()) { + writer.write(" "); } - catch (e) { - if (onError) { - onError(e.number === unsupportedFileEncodingErrorCode - ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText - : e.message); - } - text = ""; + emitPos(commentPos); + ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); } - return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; } - function directoryExists(directoryPath) { - if (directoryPath in existingDirectories) { - return true; + function emitTrailingCommentsOfPosition(pos) { + if (disabled) { + return; } - if (ts.sys.directoryExists(directoryPath)) { - existingDirectories[directoryPath] = true; - return true; + if (extendedDiagnostics) { + ts.performance.mark("beforeEmitTrailingCommentsOfPosition"); } - return false; - } - function ensureDirectoriesExist(directoryPath) { - if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { - var parentDirectory = ts.getDirectoryPath(directoryPath); - ensureDirectoriesExist(parentDirectory); - ts.sys.createDirectory(directoryPath); + forEachTrailingCommentToEmit(pos, emitTrailingCommentOfPosition); + if (extendedDiagnostics) { + ts.performance.measure("commentTime", "beforeEmitTrailingCommentsOfPosition"); } } - var outputFingerprints; - function writeFileIfUpdated(fileName, data, writeByteOrderMark) { - if (!outputFingerprints) { - outputFingerprints = ts.createMap(); + function emitTrailingCommentOfPosition(commentPos, commentEnd, _kind, hasTrailingNewLine) { + emitPos(commentPos); + ts.writeCommentRange(currentText, currentLineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); + if (hasTrailingNewLine) { + writer.writeLine(); } - var hash = ts.sys.createHash(data); - var mtimeBefore = ts.sys.getModifiedTime(fileName); - if (mtimeBefore && fileName in outputFingerprints) { - var fingerprint = outputFingerprints[fileName]; - if (fingerprint.byteOrderMark === writeByteOrderMark && - fingerprint.hash === hash && - fingerprint.mtime.getTime() === mtimeBefore.getTime()) { - return; - } + else { + writer.write(" "); } - ts.sys.writeFile(fileName, data, writeByteOrderMark); - var mtimeAfter = ts.sys.getModifiedTime(fileName); - outputFingerprints[fileName] = { - hash: hash, - byteOrderMark: writeByteOrderMark, - mtime: mtimeAfter - }; } - function writeFile(fileName, data, writeByteOrderMark, onError) { - try { - ts.performance.mark("beforeIOWrite"); - ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); - if (ts.isWatchSet(options) && ts.sys.createHash && ts.sys.getModifiedTime) { - writeFileIfUpdated(fileName, data, writeByteOrderMark); + function forEachLeadingCommentToEmit(pos, cb) { + if (containerPos === -1 || pos !== containerPos) { + if (hasDetachedComments(pos)) { + forEachLeadingCommentWithoutDetachedComments(cb); } else { - ts.sys.writeFile(fileName, data, writeByteOrderMark); - } - ts.performance.mark("afterIOWrite"); - ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); - } - catch (e) { - if (onError) { - onError(e.message); + ts.forEachLeadingCommentRange(currentText, pos, cb, pos); } } } - function getDefaultLibLocation() { - return ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())); - } - var newLine = ts.getNewLineCharacter(options); - var realpath = ts.sys.realpath && (function (path) { return ts.sys.realpath(path); }); - return { - getSourceFile: getSourceFile, - getDefaultLibLocation: getDefaultLibLocation, - getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); }, - writeFile: writeFile, - getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), - useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, - getCanonicalFileName: getCanonicalFileName, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, - readFile: function (fileName) { return ts.sys.readFile(fileName); }, - trace: function (s) { return ts.sys.write(s + newLine); }, - directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); }, - getEnvironmentVariable: function (name) { return ts.sys.getEnvironmentVariable ? ts.sys.getEnvironmentVariable(name) : ""; }, - getDirectories: function (path) { return ts.sys.getDirectories(path); }, - realpath: realpath - }; - } - ts.createCompilerHost = createCompilerHost; - function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (program.getCompilerOptions().declaration) { - diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); - } - return ts.sortAndDeduplicateDiagnostics(diagnostics); - } - ts.getPreEmitDiagnostics = getPreEmitDiagnostics; - function formatDiagnostics(diagnostics, host) { - var output = ""; - for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) { - var diagnostic = diagnostics_1[_i]; - if (diagnostic.file) { - var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; - var fileName = diagnostic.file.fileName; - var relativeFileName = ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }); - output += relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): "; - } - var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); - output += category + " TS" + diagnostic.code + ": " + flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()) + host.getNewLine(); - } - return output; - } - ts.formatDiagnostics = formatDiagnostics; - function flattenDiagnosticMessageText(messageText, newLine) { - if (typeof messageText === "string") { - return messageText; - } - else { - var diagnosticChain = messageText; - var result = ""; - var indent = 0; - while (diagnosticChain) { - if (indent) { - result += newLine; - for (var i = 0; i < indent; i++) { - result += " "; - } - } - result += diagnosticChain.messageText; - indent++; - diagnosticChain = diagnosticChain.next; + function forEachTrailingCommentToEmit(end, cb) { + if (containerEnd === -1 || (end !== containerEnd && end !== declarationListContainerEnd)) { + ts.forEachTrailingCommentRange(currentText, end, cb); } - return result; - } - } - ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; - function loadWithLocalCache(names, containingFile, loader) { - if (names.length === 0) { - return []; - } - var resolutions = []; - var cache = ts.createMap(); - for (var _i = 0, names_2 = names; _i < names_2.length; _i++) { - var name_43 = names_2[_i]; - var result = name_43 in cache - ? cache[name_43] - : cache[name_43] = loader(name_43, containingFile); - resolutions.push(result); - } - return resolutions; - } - function createProgram(rootNames, options, host, oldProgram) { - var program; - var files = []; - var commonSourceDirectory; - var diagnosticsProducingTypeChecker; - var noDiagnosticsTypeChecker; - var classifiableNames; - var resolvedTypeReferenceDirectives = ts.createMap(); - var fileProcessingDiagnostics = ts.createDiagnosticCollection(); - var maxNodeModulesJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0; - var currentNodeModulesDepth = 0; - var modulesWithElidedImports = ts.createMap(); - var sourceFilesFoundSearchingNodeModules = ts.createMap(); - ts.performance.mark("beforeProgram"); - host = host || createCompilerHost(options); - var skipDefaultLib = options.noLib; - var programDiagnostics = ts.createDiagnosticCollection(); - var currentDirectory = host.getCurrentDirectory(); - var supportedExtensions = ts.getSupportedExtensions(options); - var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); - var resolveModuleNamesWorker; - if (host.resolveModuleNames) { - resolveModuleNamesWorker = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; } - else { - var loader_1 = function (moduleName, containingFile) { return ts.resolveModuleName(moduleName, containingFile, options, host).resolvedModule; }; - resolveModuleNamesWorker = function (moduleNames, containingFile) { return loadWithLocalCache(moduleNames, containingFile, loader_1); }; + function reset() { + currentSourceFile = undefined; + currentText = undefined; + currentLineMap = undefined; + detachedCommentsInfo = undefined; } - var resolveTypeReferenceDirectiveNamesWorker; - if (host.resolveTypeReferenceDirectives) { - resolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile) { return host.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile); }; + function setSourceFile(sourceFile) { + currentSourceFile = sourceFile; + currentText = currentSourceFile.text; + currentLineMap = ts.getLineStarts(currentSourceFile); + detachedCommentsInfo = undefined; } - else { - var loader_2 = function (typesRef, containingFile) { return ts.resolveTypeReferenceDirective(typesRef, containingFile, options, host).resolvedTypeReferenceDirective; }; - resolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile) { return loadWithLocalCache(typeReferenceDirectiveNames, containingFile, loader_2); }; + function hasDetachedComments(pos) { + return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; } - var filesByName = ts.createFileMap(); - var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; - if (!tryReuseStructureFromOldProgram()) { - ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); - var typeReferences = ts.getAutomaticTypeDirectiveNames(options, host); - if (typeReferences.length) { - var containingFilename = ts.combinePaths(host.getCurrentDirectory(), "__inferred type names__.ts"); - var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename); - for (var i = 0; i < typeReferences.length; i++) { - processTypeReferenceDirective(typeReferences[i], resolutions[i]); - } + function forEachLeadingCommentWithoutDetachedComments(cb) { + var pos = ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos; + if (detachedCommentsInfo.length - 1) { + detachedCommentsInfo.pop(); } - if (!skipDefaultLib) { - if (!options.lib) { - processRootFile(host.getDefaultLibFileName(options), true); - } - else { - var libDirectory_1 = host.getDefaultLibLocation ? host.getDefaultLibLocation() : ts.getDirectoryPath(host.getDefaultLibFileName(options)); - ts.forEach(options.lib, function (libFileName) { - processRootFile(ts.combinePaths(libDirectory_1, libFileName), true); - }); - } + else { + detachedCommentsInfo = undefined; } + ts.forEachLeadingCommentRange(currentText, pos, cb, pos); } - oldProgram = undefined; - program = { - getRootFileNames: function () { return rootNames; }, - getSourceFile: getSourceFile, - getSourceFileByPath: getSourceFileByPath, - getSourceFiles: function () { return files; }, - getCompilerOptions: function () { return options; }, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getOptionsDiagnostics: getOptionsDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getDeclarationDiagnostics: getDeclarationDiagnostics, - getTypeChecker: getTypeChecker, - getClassifiableNames: getClassifiableNames, - getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, - getCommonSourceDirectory: getCommonSourceDirectory, - emit: emit, - getCurrentDirectory: function () { return currentDirectory; }, - getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, - getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, - getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, - getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, - getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; }, - getResolvedTypeReferenceDirectives: function () { return resolvedTypeReferenceDirectives; }, - dropDiagnosticsProducingTypeChecker: dropDiagnosticsProducingTypeChecker - }; - verifyCompilerOptions(); - ts.performance.mark("afterProgram"); - ts.performance.measure("Program", "beforeProgram", "afterProgram"); - return program; - function getCommonSourceDirectory() { - if (typeof commonSourceDirectory === "undefined") { - if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { - commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + function emitDetachedCommentsAndUpdateCommentsInfo(range) { + var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, range, newLine, disabled); + if (currentDetachedCommentInfo) { + if (detachedCommentsInfo) { + detachedCommentsInfo.push(currentDetachedCommentInfo); } else { - commonSourceDirectory = computeCommonSourceDirectory(files); - } - if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { - commonSourceDirectory += ts.directorySeparator; + detachedCommentsInfo = [currentDetachedCommentInfo]; } } - return commonSourceDirectory; } - function getClassifiableNames() { - if (!classifiableNames) { - getTypeChecker(); - classifiableNames = ts.createMap(); - for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { - var sourceFile = files_2[_i]; - ts.copyProperties(sourceFile.classifiableNames, classifiableNames); - } - } - return classifiableNames; + function writeComment(text, lineMap, writer, commentPos, commentEnd, newLine) { + emitPos(commentPos); + ts.writeCommentRange(text, lineMap, writer, commentPos, commentEnd, newLine); + emitPos(commentEnd); } - function tryReuseStructureFromOldProgram() { - if (!oldProgram) { - return false; - } - var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.moduleResolution !== options.moduleResolution) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs) || - (oldOptions.rootDir !== options.rootDir) || - (oldOptions.configFilePath !== options.configFilePath) || - (oldOptions.baseUrl !== options.baseUrl) || - (oldOptions.maxNodeModuleJsDepth !== options.maxNodeModuleJsDepth) || - !ts.arrayIsEqualTo(oldOptions.lib, options.lib) || - !ts.arrayIsEqualTo(oldOptions.typeRoots, oldOptions.typeRoots) || - !ts.arrayIsEqualTo(oldOptions.rootDirs, options.rootDirs) || - !ts.equalOwnProperties(oldOptions.paths, options.paths)) { - return false; - } - ts.Debug.assert(!oldProgram.structureIsReused); - var oldRootNames = oldProgram.getRootFileNames(); - if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { - return false; - } - if (!ts.arrayIsEqualTo(options.types, oldOptions.types)) { - return false; + function isTripleSlashComment(commentPos, commentEnd) { + if (currentText.charCodeAt(commentPos + 1) === 47 && + commentPos + 2 < commentEnd && + currentText.charCodeAt(commentPos + 2) === 47) { + var textSubStr = currentText.substring(commentPos, commentEnd); + return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || + textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? + true : false; } - var newSourceFiles = []; - var filePaths = []; - var modifiedSourceFiles = []; - for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { - var oldSourceFile = _a[_i]; - var newSourceFile = host.getSourceFileByPath - ? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.path, options.target) - : host.getSourceFile(oldSourceFile.fileName, options.target); - if (!newSourceFile) { - return false; - } - newSourceFile.path = oldSourceFile.path; - filePaths.push(newSourceFile.path); - if (oldSourceFile !== newSourceFile) { - if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { - return false; - } - collectExternalModuleReferences(newSourceFile); - if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) { - return false; - } - var newSourceFilePath = ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory); - if (resolveModuleNamesWorker) { - var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, newSourceFilePath); - var resolutionsChanged = ts.hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, ts.moduleResolutionIsEqualTo); - if (resolutionsChanged) { - return false; - } - } - if (resolveTypeReferenceDirectiveNamesWorker) { - var typesReferenceDirectives = ts.map(newSourceFile.typeReferenceDirectives, function (x) { return x.fileName; }); - var resolutions = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFilePath); - var resolutionsChanged = ts.hasChangesInResolutions(typesReferenceDirectives, resolutions, oldSourceFile.resolvedTypeReferenceDirectiveNames, ts.typeDirectiveIsEqualTo); - if (resolutionsChanged) { - return false; - } - } - newSourceFile.resolvedModules = oldSourceFile.resolvedModules; - newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames; - modifiedSourceFiles.push(newSourceFile); + return false; + } + } + ts.createCommentWriter = createCommentWriter; +})(ts || (ts = {})); +var ts; +(function (ts) { + var id = function (s) { return s; }; + var nullTransformers = [function (_) { return id; }]; + function emitFiles(resolver, host, targetSourceFile, emitOnlyDtsFiles) { + var delimiters = createDelimiterMap(); + var brackets = createBracketsMap(); + var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; + var assignHelper = "\nvar __assign = (this && this.__assign) || Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n};"; + var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; + var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; + var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; + var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; + var generatorHelper = "\nvar __generator = (this && this.__generator) || function (thisArg, body) {\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;\n return { next: verb(0), \"throw\": verb(1), \"return\": verb(2) };\n function verb(n) { return function (v) { return step([n, v]); }; }\n function step(op) {\n if (f) throw new TypeError(\"Generator is already executing.\");\n while (_) try {\n if (f = 1, y && (t = y[op[0] & 2 ? \"return\" : op[0] ? \"throw\" : \"next\"]) && !(t = t.call(y, op[1])).done) return t;\n if (y = 0, t) op = [0, t.value];\n switch (op[0]) {\n case 0: case 1: t = op; break;\n case 4: _.label++; return { value: op[1], done: false };\n case 5: _.label++; y = op[1]; op = [0]; continue;\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\n default:\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n if (t[2]) _.ops.pop();\n _.trys.pop(); continue;\n }\n op = body.call(thisArg, _);\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n }\n};"; + var exportStarHelper = "\nfunction __export(m) {\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\n}"; + var umdHelper = "\n(function (dependencies, factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define(dependencies, factory);\n }\n})"; + var superHelper = "\nconst _super = name => super[name];"; + var advancedSuperHelper = "\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; + var emittedFilesList = compilerOptions.listEmittedFiles ? [] : undefined; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var newLine = host.getNewLine(); + var transformers = emitOnlyDtsFiles ? nullTransformers : ts.getTransformers(compilerOptions); + var writer = ts.createTextWriter(newLine); + var write = writer.write, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; + var sourceMap = ts.createSourceMapWriter(host, writer); + var emitNodeWithSourceMap = sourceMap.emitNodeWithSourceMap, emitTokenWithSourceMap = sourceMap.emitTokenWithSourceMap; + var comments = ts.createCommentWriter(host, writer, sourceMap); + var emitNodeWithComments = comments.emitNodeWithComments, emitBodyWithDetachedComments = comments.emitBodyWithDetachedComments, emitTrailingCommentsOfPosition = comments.emitTrailingCommentsOfPosition; + var nodeIdToGeneratedName; + var autoGeneratedIdToGeneratedName; + var generatedNameSet; + var tempFlags; + var currentSourceFile; + var currentText; + var currentFileIdentifiers; + var extendsEmitted; + var assignEmitted; + var decorateEmitted; + var paramEmitted; + var awaiterEmitted; + var isOwnFileEmit; + var emitSkipped = false; + var sourceFiles = ts.getSourceFilesToEmit(host, targetSourceFile); + ts.performance.mark("beforeTransform"); + var _a = ts.transformFiles(resolver, host, sourceFiles, transformers), transformed = _a.transformed, emitNodeWithSubstitution = _a.emitNodeWithSubstitution, emitNodeWithNotification = _a.emitNodeWithNotification; + ts.performance.measure("transformTime", "beforeTransform"); + ts.performance.mark("beforePrint"); + ts.forEachTransformedEmitFile(host, transformed, emitFile, emitOnlyDtsFiles); + ts.performance.measure("printTime", "beforePrint"); + for (var _b = 0, sourceFiles_4 = sourceFiles; _b < sourceFiles_4.length; _b++) { + var sourceFile = sourceFiles_4[_b]; + ts.disposeEmitNodes(sourceFile); + } + return { + emitSkipped: emitSkipped, + diagnostics: emitterDiagnostics.getDiagnostics(), + emittedFiles: emittedFilesList, + sourceMaps: sourceMapDataList + }; + function emitFile(jsFilePath, sourceMapFilePath, declarationFilePath, sourceFiles, isBundledEmit) { + if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { + if (!emitOnlyDtsFiles) { + printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); } - else { - newSourceFile = oldSourceFile; + } + else { + emitSkipped = true; + } + if (declarationFilePath) { + emitSkipped = ts.writeDeclarationFile(declarationFilePath, ts.getOriginalSourceFiles(sourceFiles), isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) || emitSkipped; + } + if (!emitSkipped && emittedFilesList) { + if (!emitOnlyDtsFiles) { + emittedFilesList.push(jsFilePath); + } + if (sourceMapFilePath) { + emittedFilesList.push(sourceMapFilePath); + } + if (declarationFilePath) { + emittedFilesList.push(declarationFilePath); } - newSourceFiles.push(newSourceFile); } - for (var i = 0, len = newSourceFiles.length; i < len; i++) { - filesByName.set(filePaths[i], newSourceFiles[i]); + } + function printFile(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + nodeIdToGeneratedName = []; + autoGeneratedIdToGeneratedName = []; + generatedNameSet = ts.createMap(); + isOwnFileEmit = !isBundledEmit; + if (isBundledEmit && moduleKind) { + for (var _a = 0, sourceFiles_5 = sourceFiles; _a < sourceFiles_5.length; _a++) { + var sourceFile = sourceFiles_5[_a]; + emitEmitHelpers(sourceFile); + } } - files = newSourceFiles; - fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); - for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { - var modifiedFile = modifiedSourceFiles_1[_b]; - fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); + ts.forEach(sourceFiles, printSourceFile); + writeLine(); + var sourceMappingURL = sourceMap.getSourceMappingURL(); + if (sourceMappingURL) { + write("//# " + "sourceMappingURL" + "=" + sourceMappingURL); } - resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives(); - oldProgram.structureIsReused = true; - return true; + if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { + ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); + } + if (sourceMapDataList) { + sourceMapDataList.push(sourceMap.getSourceMapData()); + } + ts.writeFile(host, emitterDiagnostics, jsFilePath, writer.getText(), compilerOptions.emitBOM); + sourceMap.reset(); + comments.reset(); + writer.reset(); + tempFlags = 0; + currentSourceFile = undefined; + currentText = undefined; + extendsEmitted = false; + assignEmitted = false; + decorateEmitted = false; + paramEmitted = false; + awaiterEmitted = false; + isOwnFileEmit = false; } - function getEmitHost(writeFileCallback) { - return { - getCanonicalFileName: getCanonicalFileName, - getCommonSourceDirectory: program.getCommonSourceDirectory, - getCompilerOptions: program.getCompilerOptions, - getCurrentDirectory: function () { return currentDirectory; }, - getNewLine: function () { return host.getNewLine(); }, - getSourceFile: program.getSourceFile, - getSourceFileByPath: program.getSourceFileByPath, - getSourceFiles: program.getSourceFiles, - isSourceFileFromExternalLibrary: function (file) { return !!sourceFilesFoundSearchingNodeModules[file.path]; }, - writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError, sourceFiles) { return host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles); }), - isEmitBlocked: isEmitBlocked, - }; + function printSourceFile(node) { + currentSourceFile = node; + currentText = node.text; + currentFileIdentifiers = node.identifiers; + sourceMap.setSourceFile(node); + comments.setSourceFile(node); + pipelineEmitWithNotification(0, node); } - function getDiagnosticsProducingTypeChecker() { - return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); + function emit(node) { + pipelineEmitWithNotification(3, node); } - function dropDiagnosticsProducingTypeChecker() { - diagnosticsProducingTypeChecker = undefined; + function emitIdentifierName(node) { + pipelineEmitWithNotification(2, node); } - function getTypeChecker() { - return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); + function emitExpression(node) { + pipelineEmitWithNotification(1, node); } - function emit(sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { - return runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles); }); + function pipelineEmitWithNotification(emitContext, node) { + emitNodeWithNotification(emitContext, node, pipelineEmitWithComments); } - function isEmitBlocked(emitFileName) { - return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); + function pipelineEmitWithComments(emitContext, node) { + if (emitContext === 0) { + pipelineEmitWithSourceMap(emitContext, node); + return; + } + emitNodeWithComments(emitContext, node, pipelineEmitWithSourceMap); } - function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { - var declarationDiagnostics = []; - if (options.noEmit) { - return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true }; + function pipelineEmitWithSourceMap(emitContext, node) { + if (emitContext === 0 + || emitContext === 2) { + pipelineEmitWithSubstitution(emitContext, node); + return; } - if (options.noEmitOnError) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { - declarationDiagnostics = program.getDeclarationDiagnostics(undefined, cancellationToken); - } - if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { - return { - diagnostics: ts.concatenate(diagnostics, declarationDiagnostics), - sourceMaps: undefined, - emittedFiles: undefined, - emitSkipped: true - }; - } + emitNodeWithSourceMap(emitContext, node, pipelineEmitWithSubstitution); + } + function pipelineEmitWithSubstitution(emitContext, node) { + emitNodeWithSubstitution(emitContext, node, pipelineEmitForContext); + } + function pipelineEmitForContext(emitContext, node) { + switch (emitContext) { + case 0: return pipelineEmitInSourceFileContext(node); + case 2: return pipelineEmitInIdentifierNameContext(node); + case 3: return pipelineEmitInUnspecifiedContext(node); + case 1: return pipelineEmitInExpressionContext(node); } - var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); - ts.performance.mark("beforeEmit"); - var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile, emitOnlyDtsFiles); - ts.performance.mark("afterEmit"); - ts.performance.measure("Emit", "beforeEmit", "afterEmit"); - return emitResult; } - function getSourceFile(fileName) { - return getSourceFileByPath(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + function pipelineEmitInSourceFileContext(node) { + var kind = node.kind; + switch (kind) { + case 256: + return emitSourceFile(node); + } } - function getSourceFileByPath(path) { - return filesByName.get(path); + function pipelineEmitInIdentifierNameContext(node) { + var kind = node.kind; + switch (kind) { + case 70: + return emitIdentifier(node); + } } - function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { - if (sourceFile) { - return getDiagnostics(sourceFile, cancellationToken); + function pipelineEmitInUnspecifiedContext(node) { + var kind = node.kind; + switch (kind) { + case 13: + case 14: + case 15: + return emitLiteral(node); + case 70: + return emitIdentifier(node); + case 75: + case 78: + case 83: + case 104: + case 111: + case 112: + case 113: + case 114: + case 116: + case 117: + case 118: + case 119: + case 120: + case 121: + case 122: + case 123: + case 124: + case 125: + case 126: + case 127: + case 128: + case 129: + case 130: + case 131: + case 132: + case 133: + case 134: + case 135: + case 136: + case 137: + case 138: + case 139: + writeTokenText(kind); + return; + case 140: + return emitQualifiedName(node); + case 141: + return emitComputedPropertyName(node); + case 142: + return emitTypeParameter(node); + case 143: + return emitParameter(node); + case 144: + return emitDecorator(node); + case 145: + return emitPropertySignature(node); + case 146: + return emitPropertyDeclaration(node); + case 147: + return emitMethodSignature(node); + case 148: + return emitMethodDeclaration(node); + case 149: + return emitConstructor(node); + case 150: + case 151: + return emitAccessorDeclaration(node); + case 152: + return emitCallSignature(node); + case 153: + return emitConstructSignature(node); + case 154: + return emitIndexSignature(node); + case 155: + return emitTypePredicate(node); + case 156: + return emitTypeReference(node); + case 157: + return emitFunctionType(node); + case 158: + return emitConstructorType(node); + case 159: + return emitTypeQuery(node); + case 160: + return emitTypeLiteral(node); + case 161: + return emitArrayType(node); + case 162: + return emitTupleType(node); + case 163: + return emitUnionType(node); + case 164: + return emitIntersectionType(node); + case 165: + return emitParenthesizedType(node); + case 195: + return emitExpressionWithTypeArguments(node); + case 166: + return emitThisType(); + case 167: + return emitLiteralType(node); + case 168: + return emitObjectBindingPattern(node); + case 169: + return emitArrayBindingPattern(node); + case 170: + return emitBindingElement(node); + case 198: + return emitTemplateSpan(node); + case 199: + return emitSemicolonClassElement(); + case 200: + return emitBlock(node); + case 201: + return emitVariableStatement(node); + case 202: + return emitEmptyStatement(); + case 203: + return emitExpressionStatement(node); + case 204: + return emitIfStatement(node); + case 205: + return emitDoStatement(node); + case 206: + return emitWhileStatement(node); + case 207: + return emitForStatement(node); + case 208: + return emitForInStatement(node); + case 209: + return emitForOfStatement(node); + case 210: + return emitContinueStatement(node); + case 211: + return emitBreakStatement(node); + case 212: + return emitReturnStatement(node); + case 213: + return emitWithStatement(node); + case 214: + return emitSwitchStatement(node); + case 215: + return emitLabeledStatement(node); + case 216: + return emitThrowStatement(node); + case 217: + return emitTryStatement(node); + case 218: + return emitDebuggerStatement(node); + case 219: + return emitVariableDeclaration(node); + case 220: + return emitVariableDeclarationList(node); + case 221: + return emitFunctionDeclaration(node); + case 222: + return emitClassDeclaration(node); + case 223: + return emitInterfaceDeclaration(node); + case 224: + return emitTypeAliasDeclaration(node); + case 225: + return emitEnumDeclaration(node); + case 226: + return emitModuleDeclaration(node); + case 227: + return emitModuleBlock(node); + case 228: + return emitCaseBlock(node); + case 230: + return emitImportEqualsDeclaration(node); + case 231: + return emitImportDeclaration(node); + case 232: + return emitImportClause(node); + case 233: + return emitNamespaceImport(node); + case 234: + return emitNamedImports(node); + case 235: + return emitImportSpecifier(node); + case 236: + return emitExportAssignment(node); + case 237: + return emitExportDeclaration(node); + case 238: + return emitNamedExports(node); + case 239: + return emitExportSpecifier(node); + case 240: + return; + case 241: + return emitExternalModuleReference(node); + case 10: + return emitJsxText(node); + case 244: + return emitJsxOpeningElement(node); + case 245: + return emitJsxClosingElement(node); + case 246: + return emitJsxAttribute(node); + case 247: + return emitJsxSpreadAttribute(node); + case 248: + return emitJsxExpression(node); + case 249: + return emitCaseClause(node); + case 250: + return emitDefaultClause(node); + case 251: + return emitHeritageClause(node); + case 252: + return emitCatchClause(node); + case 253: + return emitPropertyAssignment(node); + case 254: + return emitShorthandPropertyAssignment(node); + case 255: + return emitEnumMember(node); + } + if (ts.isExpression(node)) { + return pipelineEmitWithSubstitution(1, node); } - var allDiagnostics = []; - ts.forEach(program.getSourceFiles(), function (sourceFile) { - if (cancellationToken) { - cancellationToken.throwIfCancellationRequested(); - } - ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); - }); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); } - function getSyntacticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + function pipelineEmitInExpressionContext(node) { + var kind = node.kind; + switch (kind) { + case 8: + return emitNumericLiteral(node); + case 9: + case 11: + case 12: + return emitLiteral(node); + case 70: + return emitIdentifier(node); + case 85: + case 94: + case 96: + case 100: + case 98: + writeTokenText(kind); + return; + case 171: + return emitArrayLiteralExpression(node); + case 172: + return emitObjectLiteralExpression(node); + case 173: + return emitPropertyAccessExpression(node); + case 174: + return emitElementAccessExpression(node); + case 175: + return emitCallExpression(node); + case 176: + return emitNewExpression(node); + case 177: + return emitTaggedTemplateExpression(node); + case 178: + return emitTypeAssertionExpression(node); + case 179: + return emitParenthesizedExpression(node); + case 180: + return emitFunctionExpression(node); + case 181: + return emitArrowFunction(node); + case 182: + return emitDeleteExpression(node); + case 183: + return emitTypeOfExpression(node); + case 184: + return emitVoidExpression(node); + case 185: + return emitAwaitExpression(node); + case 186: + return emitPrefixUnaryExpression(node); + case 187: + return emitPostfixUnaryExpression(node); + case 188: + return emitBinaryExpression(node); + case 189: + return emitConditionalExpression(node); + case 190: + return emitTemplateExpression(node); + case 191: + return emitYieldExpression(node); + case 192: + return emitSpreadElementExpression(node); + case 193: + return emitClassExpression(node); + case 194: + return; + case 196: + return emitAsExpression(node); + case 197: + return emitNonNullExpression(node); + case 242: + return emitJsxElement(node); + case 243: + return emitJsxSelfClosingElement(node); + case 288: + return emitPartiallyEmittedExpression(node); + } } - function getSemanticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + function emitNumericLiteral(node) { + emitLiteral(node); + if (node.trailingComment) { + write(" /*" + node.trailingComment + "*/"); + } } - function getDeclarationDiagnostics(sourceFile, cancellationToken) { - var options = program.getCompilerOptions(); - if (!sourceFile || options.out || options.outFile) { - return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + function emitLiteral(node) { + var text = getLiteralTextOfNode(node); + if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) + && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { + writer.writeLiteral(text); + } + else { + write(text); + } + } + function emitIdentifier(node) { + if (ts.getEmitFlags(node) & 16) { + writeLines(umdHelper); } else { - return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); + write(getTextOfNode(node, false)); } } - function getSyntacticDiagnosticsForFile(sourceFile) { - return sourceFile.parseDiagnostics; + function emitQualifiedName(node) { + emitEntityName(node.left); + write("."); + emit(node.right); } - function runWithCancellationToken(func) { - try { - return func(); + function emitEntityName(node) { + if (node.kind === 70) { + emitExpression(node); } - catch (e) { - if (e instanceof ts.OperationCanceledException) { - noDiagnosticsTypeChecker = undefined; - diagnosticsProducingTypeChecker = undefined; - } - throw e; + else { + emit(node); } } - function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var typeChecker = getDiagnosticsProducingTypeChecker(); - ts.Debug.assert(!!sourceFile.bindDiagnostics); - var bindDiagnostics = sourceFile.bindDiagnostics; - var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? - getJavaScriptSemanticDiagnosticsForFile(sourceFile) : - typeChecker.getDiagnostics(sourceFile, cancellationToken); - var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); - var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); - return bindDiagnostics.concat(checkDiagnostics, fileProcessingDiagnosticsInFile, programDiagnosticsInFile); - }); + function emitComputedPropertyName(node) { + write("["); + emitExpression(node.expression); + write("]"); } - function getJavaScriptSemanticDiagnosticsForFile(sourceFile) { - return runWithCancellationToken(function () { - var diagnostics = []; - walk(sourceFile); - return diagnostics; - function walk(node) { - if (!node) { - return false; - } - switch (node.kind) { - case 230: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); - return true; - case 236: - if (node.isExportEquals) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 222: - var classDeclaration = node; - if (checkModifiers(classDeclaration.modifiers) || - checkTypeParameters(classDeclaration.typeParameters)) { - return true; - } - break; - case 251: - var heritageClause = node; - if (heritageClause.token === 107) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 223: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 226: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 224: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); - return true; - case 148: - case 147: - case 149: - case 150: - case 151: - case 180: - case 221: - case 181: - case 221: - var functionDeclaration = node; - if (checkModifiers(functionDeclaration.modifiers) || - checkTypeParameters(functionDeclaration.typeParameters) || - checkTypeAnnotation(functionDeclaration.type)) { - return true; - } - break; - case 201: - var variableStatement = node; - if (checkModifiers(variableStatement.modifiers)) { - return true; - } - break; - case 219: - var variableDeclaration = node; - if (checkTypeAnnotation(variableDeclaration.type)) { - return true; - } - break; - case 175: - case 176: - var expression = node; - if (expression.typeArguments && expression.typeArguments.length > 0) { - var start = expression.typeArguments.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start, expression.typeArguments.end - start, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 143: - var parameter = node; - if (parameter.modifiers) { - var start = parameter.modifiers.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start, parameter.modifiers.end - start, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); - return true; - } - if (parameter.questionToken) { - diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); - return true; - } - if (parameter.type) { - diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 146: - var propertyDeclaration = node; - if (propertyDeclaration.modifiers) { - for (var _i = 0, _a = propertyDeclaration.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - if (modifier.kind !== 114) { - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - } - } - } - if (checkTypeAnnotation(node.type)) { - return true; - } - break; - case 225: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 178: - var typeAssertionExpression = node; - diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); - return true; - case 144: - if (!options.experimentalDecorators) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); - } - return true; - } - return ts.forEachChild(node, walk); - } - function checkTypeParameters(typeParameters) { - if (typeParameters) { - var start = typeParameters.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start, typeParameters.end - start, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkTypeAnnotation(type) { - if (type) { - diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkModifiers(modifiers) { - if (modifiers) { - for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { - var modifier = modifiers_1[_i]; - switch (modifier.kind) { - case 113: - case 111: - case 112: - case 129: - case 123: - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - case 114: - case 83: - case 75: - case 78: - case 116: - } - } - } - return false; - } - }); + function emitTypeParameter(node) { + emit(node.name); + emitWithPrefix(" extends ", node.constraint); } - function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); - var writeFile = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile); - }); + function emitParameter(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeIfPresent(node.dotDotDotToken, "..."); + emit(node.name); + writeIfPresent(node.questionToken, "?"); + emitExpressionWithPrefix(" = ", node.initializer); + emitWithPrefix(": ", node.type); } - function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { - return ts.isDeclarationFile(sourceFile) ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + function emitDecorator(decorator) { + write("@"); + emitExpression(decorator.expression); } - function getOptionsDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); - ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + function emitPropertySignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + writeIfPresent(node.questionToken, "?"); + emitWithPrefix(": ", node.type); + write(";"); } - function getGlobalDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + function emitPropertyDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + emitWithPrefix(": ", node.type); + emitExpressionWithPrefix(" = ", node.initializer); + write(";"); } - function hasExtension(fileName) { - return ts.getBaseFileName(fileName).indexOf(".") >= 0; + function emitMethodSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emit(node.name); + writeIfPresent(node.questionToken, "?"); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function processRootFile(fileName, isDefaultLib) { - processSourceFile(ts.normalizePath(fileName), isDefaultLib); + function emitMethodDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + writeIfPresent(node.asteriskToken, "*"); + emit(node.name); + emitSignatureAndBody(node, emitSignatureHead); } - function fileReferenceIsEqualTo(a, b) { - return a.fileName === b.fileName; + function emitConstructor(node) { + emitModifiers(node, node.modifiers); + write("constructor"); + emitSignatureAndBody(node, emitSignatureHead); } - function moduleNameIsEqualTo(a, b) { - return a.text === b.text; + function emitAccessorDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write(node.kind === 150 ? "get " : "set "); + emit(node.name); + emitSignatureAndBody(node, emitSignatureHead); } - function getTextOfLiteral(literal) { - return literal.text; + function emitCallSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function collectExternalModuleReferences(file) { - if (file.imports) { - return; - } - var isJavaScriptFile = ts.isSourceFileJavaScript(file); - var isExternalModuleFile = ts.isExternalModule(file); - var imports; - var moduleAugmentations; - if (options.importHelpers - && (options.isolatedModules || isExternalModuleFile) - && !file.isDeclarationFile) { - var externalHelpersModuleReference = ts.createNode(9); - externalHelpersModuleReference.text = ts.externalHelpersModuleNameText; - externalHelpersModuleReference.parent = file; - imports = [externalHelpersModuleReference]; - } - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var node = _a[_i]; - collectModuleReferences(node, false); - if (isJavaScriptFile) { - collectRequireCalls(node); - } - } - file.imports = imports || emptyArray; - file.moduleAugmentations = moduleAugmentations || emptyArray; - return; - function collectModuleReferences(node, inAmbientModule) { - switch (node.kind) { - case 231: - case 230: - case 237: - var moduleNameExpr = ts.getExternalModuleName(node); - if (!moduleNameExpr || moduleNameExpr.kind !== 9) { - break; - } - if (!moduleNameExpr.text) { - break; - } - if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { - (imports || (imports = [])).push(moduleNameExpr); - } - break; - case 226: - if (ts.isAmbientModule(node) && (inAmbientModule || ts.hasModifier(node, 2) || ts.isDeclarationFile(file))) { - var moduleName = node.name; - if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { - (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); - } - else if (!inAmbientModule) { - var body = node.body; - if (body) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - collectModuleReferences(statement, true); - } - } - } - } - } - } - function collectRequireCalls(node) { - if (ts.isRequireCall(node, true)) { - (imports || (imports = [])).push(node.arguments[0]); - } - else { - ts.forEachChild(node, collectRequireCalls); - } - } + function emitConstructSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("new "); + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { - var diagnosticArgument; - var diagnostic; - if (hasExtension(fileName)) { - if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { - diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; - diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; - } - else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { - diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; - diagnosticArgument = [fileName]; - } - } - else { - var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); - if (!nonTsFile) { - if (options.allowNonTsExtensions) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { - diagnostic = ts.Diagnostics.File_0_not_found; - fileName += ".ts"; - diagnosticArgument = [fileName]; - } - } - } - if (diagnostic) { - if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); - } - } + function emitIndexSignature(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitParametersForIndexSignature(node, node.parameters); + emitWithPrefix(": ", node.type); + write(";"); } - function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } + function emitSemicolonClassElement() { + write(";"); } - function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { - if (filesByName.contains(path)) { - var file_1 = filesByName.get(path); - if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { - reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); - } - if (file_1 && sourceFilesFoundSearchingNodeModules[file_1.path] && currentNodeModulesDepth == 0) { - sourceFilesFoundSearchingNodeModules[file_1.path] = false; - if (!options.noResolve) { - processReferencedFiles(file_1, isDefaultLib); - processTypeReferenceDirectives(file_1); - } - modulesWithElidedImports[file_1.path] = false; - processImportedModules(file_1); - } - else if (file_1 && modulesWithElidedImports[file_1.path]) { - if (currentNodeModulesDepth < maxNodeModulesJsDepth) { - modulesWithElidedImports[file_1.path] = false; - processImportedModules(file_1); - } - } - return file_1; - } - var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - }); - filesByName.set(path, file); - if (file) { - sourceFilesFoundSearchingNodeModules[path] = (currentNodeModulesDepth > 0); - file.path = path; - if (host.useCaseSensitiveFileNames()) { - var existingFile = filesByNameIgnoreCase.get(path); - if (existingFile) { - reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); - } - else { - filesByNameIgnoreCase.set(path, file); - } - } - skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; - if (!options.noResolve) { - processReferencedFiles(file, isDefaultLib); - processTypeReferenceDirectives(file); - } - processImportedModules(file); - if (isDefaultLib) { - files.unshift(file); - } - else { - files.push(file); - } - } - return file; + function emitTypePredicate(node) { + emit(node.parameterName); + write(" is "); + emit(node.type); + } + function emitTypeReference(node) { + emit(node.typeName); + emitTypeArguments(node, node.typeArguments); + } + function emitFunctionType(node) { + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + write(" => "); + emit(node.type); + } + function emitConstructorType(node) { + write("new "); + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + write(" => "); + emit(node.type); + } + function emitTypeQuery(node) { + write("typeof "); + emit(node.exprName); + } + function emitTypeLiteral(node) { + write("{"); + emitList(node, node.members, 65); + write("}"); + } + function emitArrayType(node) { + emit(node.elementType); + write("[]"); + } + function emitTupleType(node) { + write("["); + emitList(node, node.elementTypes, 336); + write("]"); } - function processReferencedFiles(file, isDefaultLib) { - ts.forEach(file.referencedFiles, function (ref) { - var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); - processSourceFile(referencedFileName, isDefaultLib, file, ref.pos, ref.end); - }); + function emitUnionType(node) { + emitList(node, node.types, 260); } - function processTypeReferenceDirectives(file) { - var typeDirectives = ts.map(file.typeReferenceDirectives, function (ref) { return ref.fileName.toLocaleLowerCase(); }); - var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file.fileName); - for (var i = 0; i < typeDirectives.length; i++) { - var ref = file.typeReferenceDirectives[i]; - var resolvedTypeReferenceDirective = resolutions[i]; - var fileName = ref.fileName.toLocaleLowerCase(); - ts.setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective); - processTypeReferenceDirective(fileName, resolvedTypeReferenceDirective, file, ref.pos, ref.end); - } + function emitIntersectionType(node) { + emitList(node, node.types, 264); } - function processTypeReferenceDirective(typeReferenceDirective, resolvedTypeReferenceDirective, refFile, refPos, refEnd) { - var previousResolution = resolvedTypeReferenceDirectives[typeReferenceDirective]; - if (previousResolution && previousResolution.primary) { - return; - } - var saveResolution = true; - if (resolvedTypeReferenceDirective) { - if (resolvedTypeReferenceDirective.primary) { - processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); - } - else { - if (previousResolution) { - var otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName); - if (otherFileText !== getSourceFile(previousResolution.resolvedFileName).text) { - fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName)); - } - saveResolution = false; - } - else { - processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); - } - } + function emitParenthesizedType(node) { + write("("); + emit(node.type); + write(")"); + } + function emitThisType() { + write("this"); + } + function emitLiteralType(node) { + emitExpression(node.literal); + } + function emitObjectBindingPattern(node) { + var elements = node.elements; + if (elements.length === 0) { + write("{}"); } else { - fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Cannot_find_type_definition_file_for_0, typeReferenceDirective)); - } - if (saveResolution) { - resolvedTypeReferenceDirectives[typeReferenceDirective] = resolvedTypeReferenceDirective; + write("{"); + emitList(node, elements, 432); + write("}"); } } - function createDiagnostic(refFile, refPos, refEnd, message) { - var args = []; - for (var _i = 4; _i < arguments.length; _i++) { - args[_i - 4] = arguments[_i]; - } - if (refFile === undefined || refPos === undefined || refEnd === undefined) { - return ts.createCompilerDiagnostic.apply(void 0, [message].concat(args)); + function emitArrayBindingPattern(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); } else { - return ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, message].concat(args)); + write("["); + emitList(node, node.elements, 304); + write("]"); } } - function getCanonicalFileName(fileName) { - return host.getCanonicalFileName(fileName); + function emitBindingElement(node) { + emitWithSuffix(node.propertyName, ": "); + writeIfPresent(node.dotDotDotToken, "..."); + emit(node.name); + emitExpressionWithPrefix(" = ", node.initializer); } - function processImportedModules(file) { - collectExternalModuleReferences(file); - if (file.imports.length || file.moduleAugmentations.length) { - file.resolvedModules = ts.createMap(); - var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var resolution = resolutions[i]; - ts.setResolvedModule(file, moduleNames[i], resolution); - var isFromNodeModulesSearch = resolution && resolution.isExternalLibraryImport; - var isJsFileFromNodeModules = isFromNodeModulesSearch && ts.hasJavaScriptFileExtension(resolution.resolvedFileName); - if (isFromNodeModulesSearch) { - currentNodeModulesDepth++; - } - var elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModulesJsDepth; - var shouldAddFile = resolution && !options.noResolve && i < file.imports.length && !elideImport; - if (elideImport) { - modulesWithElidedImports[file.path] = true; - } - else if (shouldAddFile) { - findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); - } - if (isFromNodeModulesSearch) { - currentNodeModulesDepth--; - } - } + function emitArrayLiteralExpression(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); } else { - file.resolvedModules = undefined; + var preferNewLine = node.multiLine ? 32768 : 0; + emitExpressionList(node, elements, 4466 | preferNewLine); } - return; } - function computeCommonSourceDirectory(sourceFiles) { - var fileNames = []; - for (var _i = 0, sourceFiles_6 = sourceFiles; _i < sourceFiles_6.length; _i++) { - var file = sourceFiles_6[_i]; - if (!file.isDeclarationFile) { - fileNames.push(file.fileName); - } + function emitObjectLiteralExpression(node) { + var properties = node.properties; + if (properties.length === 0) { + write("{}"); } - return computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName); - } - function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { - var allFilesBelongToPath = true; - if (sourceFiles) { - var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); - for (var _i = 0, sourceFiles_7 = sourceFiles; _i < sourceFiles_7.length; _i++) { - var sourceFile = sourceFiles_7[_i]; - if (!ts.isDeclarationFile(sourceFile)) { - var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); - if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); - allFilesBelongToPath = false; - } - } + else { + var indentedFlag = ts.getEmitFlags(node) & 524288; + if (indentedFlag) { + increaseIndent(); + } + var preferNewLine = node.multiLine ? 32768 : 0; + var allowTrailingComma = languageVersion >= 1 ? 32 : 0; + emitList(node, properties, 978 | allowTrailingComma | preferNewLine); + if (indentedFlag) { + decreaseIndent(); } } - return allFilesBelongToPath; } - function verifyCompilerOptions() { - if (options.isolatedModules) { - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); - } - if (options.noEmitOnError) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); - } - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); - } + function emitPropertyAccessExpression(node) { + var indentBeforeDot = false; + var indentAfterDot = false; + if (!(ts.getEmitFlags(node) & 1048576)) { + var dotRangeStart = node.expression.end; + var dotRangeEnd = ts.skipTrivia(currentText, node.expression.end) + 1; + var dotToken = { kind: 22, pos: dotRangeStart, end: dotRangeEnd }; + indentBeforeDot = needsIndentation(node, node.expression, dotToken); + indentAfterDot = needsIndentation(node, dotToken, node.name); } - if (options.inlineSourceMap) { - if (options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); - } - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); - } + emitExpression(node.expression); + increaseIndentIf(indentBeforeDot); + var shouldEmitDotDot = !indentBeforeDot && needsDotDotForPropertyAccess(node.expression); + write(shouldEmitDotDot ? ".." : "."); + increaseIndentIf(indentAfterDot); + emit(node.name); + decreaseIndentIf(indentBeforeDot, indentAfterDot); + } + function needsDotDotForPropertyAccess(expression) { + if (expression.kind === 8) { + var text = getLiteralTextOfNode(expression); + return text.indexOf(ts.tokenToString(22)) < 0; } - if (options.paths && options.baseUrl === undefined) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option)); + else if (ts.isPropertyAccessExpression(expression) || ts.isElementAccessExpression(expression)) { + var constantValue = ts.getConstantValue(expression); + return isFinite(constantValue) + && Math.floor(constantValue) === constantValue + && compilerOptions.removeComments; } - if (options.paths) { - for (var key in options.paths) { - if (!ts.hasProperty(options.paths, key)) { - continue; - } - if (!ts.hasZeroOrOneAsteriskCharacter(key)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key)); - } - if (ts.isArray(options.paths[key])) { - if (options.paths[key].length === 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key)); - } - for (var _i = 0, _a = options.paths[key]; _i < _a.length; _i++) { - var subst = _a[_i]; - var typeOfSubst = typeof subst; - if (typeOfSubst === "string") { - if (!ts.hasZeroOrOneAsteriskCharacter(subst)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key)); - } - } - else { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst)); - } - } - } - else { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key)); - } - } + } + function emitElementAccessExpression(node) { + emitExpression(node.expression); + write("["); + emitExpression(node.argumentExpression); + write("]"); + } + function emitCallExpression(node) { + emitExpression(node.expression); + emitTypeArguments(node, node.typeArguments); + emitExpressionList(node, node.arguments, 1296); + } + function emitNewExpression(node) { + write("new "); + emitExpression(node.expression); + emitTypeArguments(node, node.typeArguments); + emitExpressionList(node, node.arguments, 9488); + } + function emitTaggedTemplateExpression(node) { + emitExpression(node.tag); + write(" "); + emitExpression(node.template); + } + function emitTypeAssertionExpression(node) { + if (node.type) { + write("<"); + emit(node.type); + write(">"); } - if (!options.sourceMap && !options.inlineSourceMap) { - if (options.inlineSources) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources")); - } - if (options.sourceRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot")); - } + emitExpression(node.expression); + } + function emitParenthesizedExpression(node) { + write("("); + emitExpression(node.expression); + write(")"); + } + function emitFunctionExpression(node) { + emitFunctionDeclarationOrExpression(node); + } + function emitArrowFunction(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + emitSignatureAndBody(node, emitArrowFunctionHead); + } + function emitArrowFunctionHead(node) { + emitTypeParameters(node, node.typeParameters); + emitParametersForArrow(node, node.parameters); + emitWithPrefix(": ", node.type); + write(" =>"); + } + function emitDeleteExpression(node) { + write("delete "); + emitExpression(node.expression); + } + function emitTypeOfExpression(node) { + write("typeof "); + emitExpression(node.expression); + } + function emitVoidExpression(node) { + write("void "); + emitExpression(node.expression); + } + function emitAwaitExpression(node) { + write("await "); + emitExpression(node.expression); + } + function emitPrefixUnaryExpression(node) { + writeTokenText(node.operator); + if (shouldEmitWhitespaceBeforeOperand(node)) { + write(" "); } - if (options.out && options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + emitExpression(node.operand); + } + function shouldEmitWhitespaceBeforeOperand(node) { + var operand = node.operand; + return operand.kind === 186 + && ((node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) + || (node.operator === 37 && (operand.operator === 37 || operand.operator === 43))); + } + function emitPostfixUnaryExpression(node) { + emitExpression(node.operand); + writeTokenText(node.operator); + } + function emitBinaryExpression(node) { + var isCommaOperator = node.operatorToken.kind !== 25; + var indentBeforeOperator = needsIndentation(node, node.left, node.operatorToken); + var indentAfterOperator = needsIndentation(node, node.operatorToken, node.right); + emitExpression(node.left); + increaseIndentIf(indentBeforeOperator, isCommaOperator ? " " : undefined); + writeTokenText(node.operatorToken.kind); + increaseIndentIf(indentAfterOperator, " "); + emitExpression(node.right); + decreaseIndentIf(indentBeforeOperator, indentAfterOperator); + } + function emitConditionalExpression(node) { + var indentBeforeQuestion = needsIndentation(node, node.condition, node.questionToken); + var indentAfterQuestion = needsIndentation(node, node.questionToken, node.whenTrue); + var indentBeforeColon = needsIndentation(node, node.whenTrue, node.colonToken); + var indentAfterColon = needsIndentation(node, node.colonToken, node.whenFalse); + emitExpression(node.condition); + increaseIndentIf(indentBeforeQuestion, " "); + write("?"); + increaseIndentIf(indentAfterQuestion, " "); + emitExpression(node.whenTrue); + decreaseIndentIf(indentBeforeQuestion, indentAfterQuestion); + increaseIndentIf(indentBeforeColon, " "); + write(":"); + increaseIndentIf(indentAfterColon, " "); + emitExpression(node.whenFalse); + decreaseIndentIf(indentBeforeColon, indentAfterColon); + } + function emitTemplateExpression(node) { + emit(node.head); + emitList(node, node.templateSpans, 131072); + } + function emitYieldExpression(node) { + write(node.asteriskToken ? "yield*" : "yield"); + emitExpressionWithPrefix(" ", node.expression); + } + function emitSpreadElementExpression(node) { + write("..."); + emitExpression(node.expression); + } + function emitClassExpression(node) { + emitClassDeclarationOrExpression(node); + } + function emitExpressionWithTypeArguments(node) { + emitExpression(node.expression); + emitTypeArguments(node, node.typeArguments); + } + function emitAsExpression(node) { + emitExpression(node.expression); + if (node.type) { + write(" as "); + emit(node.type); } - if (options.mapRoot && !options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + function emitNonNullExpression(node) { + emitExpression(node.expression); + write("!"); + } + function emitTemplateSpan(node) { + emitExpression(node.expression); + emit(node.literal); + } + function emitBlock(node) { + if (isSingleLineEmptyBlock(node)) { + writeToken(16, node.pos, node); + write(" "); + writeToken(17, node.statements.end, node); } - if (options.declarationDir) { - if (!options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "declarationDir", "declaration")); - } - if (options.out || options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile")); - } + else { + writeToken(16, node.pos, node); + emitBlockStatements(node); + writeToken(17, node.statements.end, node); } - if (options.lib && options.noLib) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib")); + } + function emitBlockStatements(node) { + if (ts.getEmitFlags(node) & 32) { + emitList(node, node.statements, 384); } - if (options.noImplicitUseStrict && options.alwaysStrict) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict")); + else { + emitList(node, node.statements, 65); } - var languageVersion = options.target || 0; - var outFile = options.outFile || options.out; - var firstNonAmbientExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (options.isolatedModules) { - if (options.module === ts.ModuleKind.None && languageVersion < 2) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + function emitVariableStatement(node) { + emitModifiers(node, node.modifiers); + emit(node.declarationList); + write(";"); + } + function emitEmptyStatement() { + write(";"); + } + function emitExpressionStatement(node) { + emitExpression(node.expression); + write(";"); + } + function emitIfStatement(node) { + var openParenPos = writeToken(89, node.pos, node); + write(" "); + writeToken(18, openParenPos, node); + emitExpression(node.expression); + writeToken(19, node.expression.end, node); + emitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + writeLine(); + writeToken(81, node.thenStatement.end, node); + if (node.elseStatement.kind === 204) { + write(" "); + emit(node.elseStatement); } - var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (firstNonExternalModuleSourceFile) { - var span_7 = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); - programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span_7.start, span_7.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + else { + emitEmbeddedStatement(node.elseStatement); } } - else if (firstNonAmbientExternalModuleSourceFile && languageVersion < 2 && options.module === ts.ModuleKind.None) { - var span_8 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_8.start, span_8.length, ts.Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none)); + } + function emitDoStatement(node) { + write("do"); + emitEmbeddedStatement(node.statement); + if (ts.isBlock(node.statement)) { + write(" "); } - if (outFile) { - if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); - } - else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) { - var span_9 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_9.start, span_9.length, ts.Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile")); - } + else { + writeLine(); } - if (options.outDir || - options.sourceRoot || - options.mapRoot) { - var dir = getCommonSourceDirectory(); - if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + write("while ("); + emitExpression(node.expression); + write(");"); + } + function emitWhileStatement(node) { + write("while ("); + emitExpression(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitForStatement(node) { + var openParenPos = writeToken(87, node.pos); + write(" "); + writeToken(18, openParenPos, node); + emitForBinding(node.initializer); + write(";"); + emitExpressionWithPrefix(" ", node.condition); + write(";"); + emitExpressionWithPrefix(" ", node.incrementor); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitForInStatement(node) { + var openParenPos = writeToken(87, node.pos); + write(" "); + writeToken(18, openParenPos); + emitForBinding(node.initializer); + write(" in "); + emitExpression(node.expression); + writeToken(19, node.expression.end); + emitEmbeddedStatement(node.statement); + } + function emitForOfStatement(node) { + var openParenPos = writeToken(87, node.pos); + write(" "); + writeToken(18, openParenPos); + emitForBinding(node.initializer); + write(" of "); + emitExpression(node.expression); + writeToken(19, node.expression.end); + emitEmbeddedStatement(node.statement); + } + function emitForBinding(node) { + if (node !== undefined) { + if (node.kind === 220) { + emit(node); } - } - if (!options.noEmit && options.allowJs && options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); - } - if (options.emitDecoratorMetadata && - !options.experimentalDecorators) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); - } - if (options.reactNamespace && !ts.isIdentifierText(options.reactNamespace, languageVersion)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); - } - if (!options.noEmit && !options.suppressOutputPathCheck) { - var emitHost = getEmitHost(); - var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); - ts.forEachExpectedEmitFile(emitHost, function (emitFileNames) { - verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); - verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); - }); - } - function verifyEmitFilePath(emitFileName, emitFilesSeen) { - if (emitFileName) { - var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); - if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); - } - if (emitFilesSeen.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); - } - else { - emitFilesSeen.set(emitFilePath, true); - } + else { + emitExpression(node); } } } - function createEmitBlockingDiagnostics(emitFileName, message) { - hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + function emitContinueStatement(node) { + writeToken(76, node.pos); + emitWithPrefix(" ", node.label); + write(";"); } - } - ts.createProgram = createProgram; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" }; - ts.optionDeclarations = [ - { - name: "charset", - type: "string", - }, - ts.compileOnSaveCommandLineOption, - { - name: "declaration", - shortName: "d", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_d_ts_file, - }, - { - name: "declarationDir", - type: "string", - isFilePath: true, - paramType: ts.Diagnostics.DIRECTORY, - }, - { - name: "diagnostics", - type: "boolean", - }, - { - name: "extendedDiagnostics", - type: "boolean", - experimental: true - }, - { - name: "emitBOM", - type: "boolean" - }, - { - name: "help", - shortName: "h", - type: "boolean", - description: ts.Diagnostics.Print_this_message, - }, - { - name: "help", - shortName: "?", - type: "boolean" - }, - { - name: "init", - type: "boolean", - description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file, - }, - { - name: "inlineSourceMap", - type: "boolean", - }, - { - name: "inlineSources", - type: "boolean", - }, - { - name: "jsx", - type: ts.createMap({ - "preserve": 1, - "react": 2 - }), - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, - }, - { - name: "reactNamespace", - type: "string", - description: ts.Diagnostics.Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit - }, - { - name: "listFiles", - type: "boolean", - }, - { - name: "locale", - type: "string", - }, - { - name: "mapRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, - paramType: ts.Diagnostics.LOCATION, - }, - { - name: "module", - shortName: "m", - type: ts.createMap({ - "none": ts.ModuleKind.None, - "commonjs": ts.ModuleKind.CommonJS, - "amd": ts.ModuleKind.AMD, - "system": ts.ModuleKind.System, - "umd": ts.ModuleKind.UMD, - "es6": ts.ModuleKind.ES2015, - "es2015": ts.ModuleKind.ES2015, - }), - description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, - paramType: ts.Diagnostics.KIND, - }, - { - name: "newLine", - type: ts.createMap({ - "crlf": 0, - "lf": 1 - }), - description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, - paramType: ts.Diagnostics.NEWLINE, - }, - { - name: "noEmit", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs, - }, - { - name: "noEmitHelpers", - type: "boolean" - }, - { - name: "noEmitOnError", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported, - }, - { - name: "noErrorTruncation", - type: "boolean" - }, - { - name: "noImplicitAny", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type, - }, - { - name: "noImplicitThis", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type, - }, - { - name: "noUnusedLocals", - type: "boolean", - description: ts.Diagnostics.Report_errors_on_unused_locals, - }, - { - name: "noUnusedParameters", - type: "boolean", - description: ts.Diagnostics.Report_errors_on_unused_parameters, - }, - { - name: "noLib", - type: "boolean", - }, - { - name: "noResolve", - type: "boolean", - }, - { - name: "skipDefaultLibCheck", - type: "boolean", - }, - { - name: "skipLibCheck", - type: "boolean", - description: ts.Diagnostics.Skip_type_checking_of_declaration_files, - }, - { - name: "out", - type: "string", - isFilePath: false, - paramType: ts.Diagnostics.FILE, - }, - { - name: "outFile", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, - paramType: ts.Diagnostics.FILE, - }, - { - name: "outDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Redirect_output_structure_to_the_directory, - paramType: ts.Diagnostics.DIRECTORY, - }, - { - name: "preserveConstEnums", - type: "boolean", - description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code - }, - { - name: "pretty", - description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, - type: "boolean" - }, - { - name: "project", - shortName: "p", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Compile_the_project_in_the_given_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "removeComments", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_comments_to_output, - }, - { - name: "rootDir", - type: "string", - isFilePath: true, - paramType: ts.Diagnostics.LOCATION, - description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, - }, - { - name: "isolatedModules", - type: "boolean", - }, - { - name: "sourceMap", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_map_file, - }, - { - name: "sourceRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, - paramType: ts.Diagnostics.LOCATION, - }, - { - name: "suppressExcessPropertyErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, - experimental: true - }, - { - name: "suppressImplicitAnyIndexErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures, - }, - { - name: "stripInternal", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, - experimental: true - }, - { - name: "target", - shortName: "t", - type: ts.createMap({ - "es3": 0, - "es5": 1, - "es6": 2, - "es2015": 2, - "es2016": 3, - "es2017": 4, - }), - description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015, - paramType: ts.Diagnostics.VERSION, - }, - { - name: "version", - shortName: "v", - type: "boolean", - description: ts.Diagnostics.Print_the_compiler_s_version, - }, - { - name: "watch", - shortName: "w", - type: "boolean", - description: ts.Diagnostics.Watch_input_files, - }, - { - name: "experimentalDecorators", - type: "boolean", - description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators - }, - { - name: "emitDecoratorMetadata", - type: "boolean", - experimental: true, - description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators - }, - { - name: "moduleResolution", - type: ts.createMap({ - "node": ts.ModuleResolutionKind.NodeJs, - "classic": ts.ModuleResolutionKind.Classic, - }), - description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, - paramType: ts.Diagnostics.STRATEGY, - }, - { - name: "allowUnusedLabels", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unused_labels - }, - { - name: "noImplicitReturns", - type: "boolean", - description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value - }, - { - name: "noFallthroughCasesInSwitch", - type: "boolean", - description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement - }, - { - name: "allowUnreachableCode", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code - }, - { - name: "forceConsistentCasingInFileNames", - type: "boolean", - description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file - }, - { - name: "baseUrl", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names - }, - { - name: "paths", - type: "object", - isTSConfigOnly: true - }, - { - name: "rootDirs", - type: "list", - isTSConfigOnly: true, - element: { - name: "rootDirs", - type: "string", - isFilePath: true - } - }, - { - name: "typeRoots", - type: "list", - element: { - name: "typeRoots", - type: "string", - isFilePath: true - } - }, - { - name: "types", - type: "list", - element: { - name: "types", - type: "string" - }, - description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation - }, - { - name: "traceResolution", - type: "boolean", - description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process - }, - { - name: "allowJs", - type: "boolean", - description: ts.Diagnostics.Allow_javascript_files_to_be_compiled - }, - { - name: "allowSyntheticDefaultImports", - type: "boolean", - description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking - }, - { - name: "noImplicitUseStrict", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output - }, - { - name: "maxNodeModuleJsDepth", - type: "number", - description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files - }, - { - name: "listEmittedFiles", - type: "boolean" - }, - { - name: "lib", - type: "list", - element: { - name: "lib", - type: ts.createMap({ - "es5": "lib.es5.d.ts", - "es6": "lib.es2015.d.ts", - "es2015": "lib.es2015.d.ts", - "es7": "lib.es2016.d.ts", - "es2016": "lib.es2016.d.ts", - "es2017": "lib.es2017.d.ts", - "dom": "lib.dom.d.ts", - "dom.iterable": "lib.dom.iterable.d.ts", - "webworker": "lib.webworker.d.ts", - "scripthost": "lib.scripthost.d.ts", - "es2015.core": "lib.es2015.core.d.ts", - "es2015.collection": "lib.es2015.collection.d.ts", - "es2015.generator": "lib.es2015.generator.d.ts", - "es2015.iterable": "lib.es2015.iterable.d.ts", - "es2015.promise": "lib.es2015.promise.d.ts", - "es2015.proxy": "lib.es2015.proxy.d.ts", - "es2015.reflect": "lib.es2015.reflect.d.ts", - "es2015.symbol": "lib.es2015.symbol.d.ts", - "es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts", - "es2016.array.include": "lib.es2016.array.include.d.ts", - "es2017.object": "lib.es2017.object.d.ts", - "es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts" - }), - }, - description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon - }, - { - name: "disableSizeLimit", - type: "boolean" - }, - { - name: "strictNullChecks", - type: "boolean", - description: ts.Diagnostics.Enable_strict_null_checks - }, - { - name: "importHelpers", - type: "boolean", - description: ts.Diagnostics.Import_emit_helpers_from_tslib - }, - { - name: "alwaysStrict", - type: "boolean", - description: ts.Diagnostics.Parse_in_strict_mode_and_emit_use_strict_for_each_source_file + function emitBreakStatement(node) { + writeToken(71, node.pos); + emitWithPrefix(" ", node.label); + write(";"); + } + function emitReturnStatement(node) { + writeToken(95, node.pos, node); + emitExpressionWithPrefix(" ", node.expression); + write(";"); + } + function emitWithStatement(node) { + write("with ("); + emitExpression(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitSwitchStatement(node) { + var openParenPos = writeToken(97, node.pos); + write(" "); + writeToken(18, openParenPos); + emitExpression(node.expression); + writeToken(19, node.expression.end); + write(" "); + emit(node.caseBlock); } - ]; - ts.typingOptionDeclarations = [ - { - name: "enableAutoDiscovery", - type: "boolean", - }, - { - name: "include", - type: "list", - element: { - name: "include", - type: "string" - } - }, - { - name: "exclude", - type: "list", - element: { - name: "exclude", - type: "string" - } + function emitLabeledStatement(node) { + emit(node.label); + write(": "); + emit(node.statement); } - ]; - ts.defaultInitCompilerOptions = { - module: ts.ModuleKind.CommonJS, - target: 1, - noImplicitAny: false, - sourceMap: false, - }; - var optionNameMapCache; - function getOptionNameMap() { - if (optionNameMapCache) { - return optionNameMapCache; + function emitThrowStatement(node) { + write("throw"); + emitExpressionWithPrefix(" ", node.expression); + write(";"); } - var optionNameMap = ts.createMap(); - var shortOptionNames = ts.createMap(); - ts.forEach(ts.optionDeclarations, function (option) { - optionNameMap[option.name.toLowerCase()] = option; - if (option.shortName) { - shortOptionNames[option.shortName] = option.name; + function emitTryStatement(node) { + write("try "); + emit(node.tryBlock); + emit(node.catchClause); + if (node.finallyBlock) { + writeLine(); + write("finally "); + emit(node.finallyBlock); } - }); - optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; - return optionNameMapCache; - } - ts.getOptionNameMap = getOptionNameMap; - function createCompilerDiagnosticForInvalidCustomType(opt) { - var namesOfType = Object.keys(opt.type).map(function (key) { return "'" + key + "'"; }).join(", "); - return ts.createCompilerDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType); - } - ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType; - function parseCustomTypeOption(opt, value, errors) { - var key = trimString((value || "")).toLowerCase(); - var map = opt.type; - if (key in map) { - return map[key]; } - else { - errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); + function emitDebuggerStatement(node) { + writeToken(77, node.pos); + write(";"); } - } - ts.parseCustomTypeOption = parseCustomTypeOption; - function parseListTypeOption(opt, value, errors) { - if (value === void 0) { value = ""; } - value = trimString(value); - if (ts.startsWith(value, "-")) { - return undefined; + function emitVariableDeclaration(node) { + emit(node.name); + emitWithPrefix(": ", node.type); + emitExpressionWithPrefix(" = ", node.initializer); } - if (value === "") { - return []; + function emitVariableDeclarationList(node) { + write(ts.isLet(node) ? "let " : ts.isConst(node) ? "const " : "var "); + emitList(node, node.declarations, 272); } - var values = value.split(","); - switch (opt.element.type) { - case "number": - return ts.map(values, parseInt); - case "string": - return ts.map(values, function (v) { return v || ""; }); - default: - return ts.filter(ts.map(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }), function (v) { return !!v; }); + function emitFunctionDeclaration(node) { + emitFunctionDeclarationOrExpression(node); } - } - ts.parseListTypeOption = parseListTypeOption; - function parseCommandLine(commandLine, readFile) { - var options = {}; - var fileNames = []; - var errors = []; - var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; - parseStrings(commandLine); - return { - options: options, - fileNames: fileNames, - errors: errors - }; - function parseStrings(args) { - var i = 0; - while (i < args.length) { - var s = args[i]; - i++; - if (s.charCodeAt(0) === 64) { - parseResponseFile(s.slice(1)); - } - else if (s.charCodeAt(0) === 45) { - s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); - if (s in shortOptionNames) { - s = shortOptionNames[s]; + function emitFunctionDeclarationOrExpression(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write(node.asteriskToken ? "function* " : "function "); + emitIdentifierName(node.name); + emitSignatureAndBody(node, emitSignatureHead); + } + function emitSignatureAndBody(node, emitSignatureHead) { + var body = node.body; + if (body) { + if (ts.isBlock(body)) { + var indentedFlag = ts.getEmitFlags(node) & 524288; + if (indentedFlag) { + increaseIndent(); } - if (s in optionNameMap) { - var opt = optionNameMap[s]; - if (opt.isTSConfigOnly) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name)); - } - else { - if (!args[i] && opt.type !== "boolean") { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); - } - switch (opt.type) { - case "number": - options[opt.name] = parseInt(args[i]); - i++; - break; - case "boolean": - options[opt.name] = true; - break; - case "string": - options[opt.name] = args[i] || ""; - i++; - break; - case "list": - var result = parseListTypeOption(opt, args[i], errors); - options[opt.name] = result || []; - if (result) { - i++; - } - break; - default: - options[opt.name] = parseCustomTypeOption(opt, args[i], errors); - i++; - break; - } - } + if (ts.getEmitFlags(node) & 4194304) { + emitSignatureHead(node); + emitBlockFunctionBody(body); } else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); - } - } - else { - fileNames.push(s); - } - } - } - function parseResponseFile(fileName) { - var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); - if (!text) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); - return; - } - var args = []; - var pos = 0; - while (true) { - while (pos < text.length && text.charCodeAt(pos) <= 32) - pos++; - if (pos >= text.length) - break; - var start = pos; - if (text.charCodeAt(start) === 34) { - pos++; - while (pos < text.length && text.charCodeAt(pos) !== 34) - pos++; - if (pos < text.length) { - args.push(text.substring(start + 1, pos)); - pos++; + var savedTempFlags = tempFlags; + tempFlags = 0; + emitSignatureHead(node); + emitBlockFunctionBody(body); + tempFlags = savedTempFlags; } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + if (indentedFlag) { + decreaseIndent(); } } else { - while (text.charCodeAt(pos) > 32) - pos++; - args.push(text.substring(start, pos)); + emitSignatureHead(node); + write(" "); + emitExpression(body); } } - parseStrings(args); - } - } - ts.parseCommandLine = parseCommandLine; - function readConfigFile(fileName, readFile) { - var text = ""; - try { - text = readFile(fileName); - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; - } - return parseConfigFileTextToJson(fileName, text); - } - ts.readConfigFile = readConfigFile; - function parseConfigFileTextToJson(fileName, jsonText, stripComments) { - if (stripComments === void 0) { stripComments = true; } - try { - var jsonTextToParse = stripComments ? removeComments(jsonText) : jsonText; - return { config: /\S/.test(jsonTextToParse) ? JSON.parse(jsonTextToParse) : {} }; - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + else { + emitSignatureHead(node); + write(";"); + } } - } - ts.parseConfigFileTextToJson = parseConfigFileTextToJson; - function generateTSConfig(options, fileNames) { - var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions); - var configurations = { - compilerOptions: serializeCompilerOptions(compilerOptions) - }; - if (fileNames && fileNames.length) { - configurations.files = fileNames; + function emitSignatureHead(node) { + emitTypeParameters(node, node.typeParameters); + emitParameters(node, node.parameters); + emitWithPrefix(": ", node.type); } - return configurations; - function getCustomTypeMapOfCommandLineOption(optionDefinition) { - if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") { - return undefined; + function shouldEmitBlockFunctionBodyOnSingleLine(body) { + if (ts.getEmitFlags(body) & 32) { + return true; } - else if (optionDefinition.type === "list") { - return getCustomTypeMapOfCommandLineOption(optionDefinition.element); + if (body.multiLine) { + return false; } - else { - return optionDefinition.type; + if (!ts.nodeIsSynthesized(body) && !ts.rangeIsOnSingleLine(body, currentSourceFile)) { + return false; } - } - function getNameOfCompilerOptionValue(value, customTypeMap) { - for (var key in customTypeMap) { - if (customTypeMap[key] === value) { - return key; - } + if (shouldWriteLeadingLineTerminator(body, body.statements, 2) + || shouldWriteClosingLineTerminator(body, body.statements, 2)) { + return false; } - return undefined; - } - function serializeCompilerOptions(options) { - var result = ts.createMap(); - var optionsNameMap = getOptionNameMap().optionNameMap; - for (var name_44 in options) { - if (ts.hasProperty(options, name_44)) { - switch (name_44) { - case "init": - case "watch": - case "version": - case "help": - case "project": - break; - default: - var value = options[name_44]; - var optionDefinition = optionsNameMap[name_44.toLowerCase()]; - if (optionDefinition) { - var customTypeMap = getCustomTypeMapOfCommandLineOption(optionDefinition); - if (!customTypeMap) { - result[name_44] = value; - } - else { - if (optionDefinition.type === "list") { - var convertedValue = []; - for (var _i = 0, _a = value; _i < _a.length; _i++) { - var element = _a[_i]; - convertedValue.push(getNameOfCompilerOptionValue(element, customTypeMap)); - } - result[name_44] = convertedValue; - } - else { - result[name_44] = getNameOfCompilerOptionValue(value, customTypeMap); - } - } - } - break; - } + var previousStatement; + for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + if (shouldWriteSeparatingLineTerminator(previousStatement, statement, 2)) { + return false; } + previousStatement = statement; } - return result; + return true; } - } - ts.generateTSConfig = generateTSConfig; - function removeComments(jsonText) { - var output = ""; - var scanner = ts.createScanner(1, false, 0, jsonText); - var token; - while ((token = scanner.scan()) !== 1) { - switch (token) { - case 2: - case 3: - output += scanner.getTokenText().replace(/\S/g, " "); - break; - default: - output += scanner.getTokenText(); - break; - } + function emitBlockFunctionBody(body) { + write(" {"); + increaseIndent(); + emitBodyWithDetachedComments(body, body.statements, shouldEmitBlockFunctionBodyOnSingleLine(body) + ? emitBlockFunctionBodyOnSingleLine + : emitBlockFunctionBodyWorker); + decreaseIndent(); + writeToken(17, body.statements.end, body); } - return output; - } - function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName, resolutionStack) { - if (existingOptions === void 0) { existingOptions = {}; } - if (resolutionStack === void 0) { resolutionStack = []; } - var errors = []; - var getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); - var resolvedPath = ts.toPath(configFileName || "", basePath, getCanonicalFileName); - if (resolutionStack.indexOf(resolvedPath) >= 0) { - return { - options: {}, - fileNames: [], - typingOptions: {}, - raw: json, - errors: [ts.createCompilerDiagnostic(ts.Diagnostics.Circularity_detected_while_resolving_configuration_Colon_0, resolutionStack.concat([resolvedPath]).join(" -> "))], - wildcardDirectories: {} - }; + function emitBlockFunctionBodyOnSingleLine(body) { + emitBlockFunctionBodyWorker(body, true); } - var options = convertCompilerOptionsFromJsonWorker(json["compilerOptions"], basePath, errors, configFileName); - var typingOptions = convertTypingOptionsFromJsonWorker(json["typingOptions"], basePath, errors, configFileName); - if (json["extends"]) { - var _a = [undefined, undefined, undefined, {}], include = _a[0], exclude = _a[1], files = _a[2], baseOptions = _a[3]; - if (typeof json["extends"] === "string") { - _b = (tryExtendsName(json["extends"]) || [include, exclude, files, baseOptions]), include = _b[0], exclude = _b[1], files = _b[2], baseOptions = _b[3]; + function emitBlockFunctionBodyWorker(body, emitBlockFunctionBodyOnSingleLine) { + var statementOffset = emitPrologueDirectives(body.statements, true); + var helpersEmitted = emitHelpers(body); + if (statementOffset === 0 && !helpersEmitted && emitBlockFunctionBodyOnSingleLine) { + decreaseIndent(); + emitList(body, body.statements, 384); + increaseIndent(); } else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "extends", "string")); - } - if (include && !json["include"]) { - json["include"] = include; - } - if (exclude && !json["exclude"]) { - json["exclude"] = exclude; - } - if (files && !json["files"]) { - json["files"] = files; + emitList(body, body.statements, 1, statementOffset); } - options = ts.assign({}, baseOptions, options); } - options = ts.extend(existingOptions, options); - options.configFilePath = configFileName; - var _c = getFileNames(errors), fileNames = _c.fileNames, wildcardDirectories = _c.wildcardDirectories; - var compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors); - return { - options: options, - fileNames: fileNames, - typingOptions: typingOptions, - raw: json, - errors: errors, - wildcardDirectories: wildcardDirectories, - compileOnSave: compileOnSave - }; - function tryExtendsName(extendedConfig) { - if (!(ts.isRootedDiskPath(extendedConfig) || ts.startsWith(ts.normalizeSlashes(extendedConfig), "./") || ts.startsWith(ts.normalizeSlashes(extendedConfig), "../"))) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_path_in_an_extends_options_must_be_relative_or_rooted)); - return; - } - var extendedConfigPath = ts.toPath(extendedConfig, basePath, getCanonicalFileName); - if (!host.fileExists(extendedConfigPath) && !ts.endsWith(extendedConfigPath, ".json")) { - extendedConfigPath = extendedConfigPath + ".json"; - if (!host.fileExists(extendedConfigPath)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_does_not_exist, extendedConfig)); - return; - } + function emitClassDeclaration(node) { + emitClassDeclarationOrExpression(node); + } + function emitClassDeclarationOrExpression(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("class"); + emitNodeWithPrefix(" ", node.name, emitIdentifierName); + var indentedFlag = ts.getEmitFlags(node) & 524288; + if (indentedFlag) { + increaseIndent(); } - var extendedResult = readConfigFile(extendedConfigPath, function (path) { return host.readFile(path); }); - if (extendedResult.error) { - errors.push(extendedResult.error); - return; + emitTypeParameters(node, node.typeParameters); + emitList(node, node.heritageClauses, 256); + var savedTempFlags = tempFlags; + tempFlags = 0; + write(" {"); + emitList(node, node.members, 65); + write("}"); + if (indentedFlag) { + decreaseIndent(); } - var extendedDirname = ts.getDirectoryPath(extendedConfigPath); - var relativeDifference = ts.convertToRelativePath(extendedDirname, basePath, getCanonicalFileName); - var updatePath = function (path) { return ts.isRootedDiskPath(path) ? path : ts.combinePaths(relativeDifference, path); }; - var result = parseJsonConfigFileContent(extendedResult.config, host, extendedDirname, undefined, ts.getBaseFileName(extendedConfigPath), resolutionStack.concat([resolvedPath])); - errors.push.apply(errors, result.errors); - var _a = ts.map(["include", "exclude", "files"], function (key) { - if (!json[key] && extendedResult.config[key]) { - return ts.map(extendedResult.config[key], updatePath); - } - }), include = _a[0], exclude = _a[1], files = _a[2]; - return [include, exclude, files, result.options]; + tempFlags = savedTempFlags; } - function getFileNames(errors) { - var fileNames; - if (ts.hasProperty(json, "files")) { - if (ts.isArray(json["files"])) { - fileNames = json["files"]; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); - } - } - var includeSpecs; - if (ts.hasProperty(json, "include")) { - if (ts.isArray(json["include"])) { - includeSpecs = json["include"]; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array")); - } + function emitInterfaceDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("interface "); + emit(node.name); + emitTypeParameters(node, node.typeParameters); + emitList(node, node.heritageClauses, 256); + write(" {"); + emitList(node, node.members, 65); + write("}"); + } + function emitTypeAliasDeclaration(node) { + emitDecorators(node, node.decorators); + emitModifiers(node, node.modifiers); + write("type "); + emit(node.name); + emitTypeParameters(node, node.typeParameters); + write(" = "); + emit(node.type); + write(";"); + } + function emitEnumDeclaration(node) { + emitModifiers(node, node.modifiers); + write("enum "); + emit(node.name); + var savedTempFlags = tempFlags; + tempFlags = 0; + write(" {"); + emitList(node, node.members, 81); + write("}"); + tempFlags = savedTempFlags; + } + function emitModuleDeclaration(node) { + emitModifiers(node, node.modifiers); + write(node.flags & 16 ? "namespace " : "module "); + emit(node.name); + var body = node.body; + while (body.kind === 226) { + write("."); + emit(body.name); + body = body.body; } - var excludeSpecs; - if (ts.hasProperty(json, "exclude")) { - if (ts.isArray(json["exclude"])) { - excludeSpecs = json["exclude"]; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array")); - } + write(" "); + emit(body); + } + function emitModuleBlock(node) { + if (isEmptyBlock(node)) { + write("{ }"); } - else if (ts.hasProperty(json, "excludes")) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude)); + else { + var savedTempFlags = tempFlags; + tempFlags = 0; + write("{"); + increaseIndent(); + emitBlockStatements(node); + write("}"); + tempFlags = savedTempFlags; + } + } + function emitCaseBlock(node) { + writeToken(16, node.pos); + emitList(node, node.clauses, 65); + writeToken(17, node.clauses.end); + } + function emitImportEqualsDeclaration(node) { + emitModifiers(node, node.modifiers); + write("import "); + emit(node.name); + write(" = "); + emitModuleReference(node.moduleReference); + write(";"); + } + function emitModuleReference(node) { + if (node.kind === 70) { + emitExpression(node); } else { - excludeSpecs = ["node_modules", "bower_components", "jspm_packages"]; - var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; - if (outDir) { - excludeSpecs.push(outDir); - } + emit(node); } - if (fileNames === undefined && includeSpecs === undefined) { - includeSpecs = ["**/*"]; + } + function emitImportDeclaration(node) { + emitModifiers(node, node.modifiers); + write("import "); + if (node.importClause) { + emit(node.importClause); + write(" from "); } - return matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + emitExpression(node.moduleSpecifier); + write(";"); } - var _b; - } - ts.parseJsonConfigFileContent = parseJsonConfigFileContent; - function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) { - if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) { - return false; + function emitImportClause(node) { + emit(node.name); + if (node.name && node.namedBindings) { + write(", "); + } + emit(node.namedBindings); } - var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors); - if (typeof result === "boolean" && result) { - return result; + function emitNamespaceImport(node) { + write("* as "); + emit(node.name); } - return false; - } - ts.convertCompileOnSaveOptionFromJson = convertCompileOnSaveOptionFromJson; - function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { - var errors = []; - var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); - return { options: options, errors: errors }; - } - ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; - function convertTypingOptionsFromJson(jsonOptions, basePath, configFileName) { - var errors = []; - var options = convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName); - return { options: options, errors: errors }; - } - ts.convertTypingOptionsFromJson = convertTypingOptionsFromJson; - function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { - var options = ts.getBaseFileName(configFileName) === "jsconfig.json" - ? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true, skipLibCheck: true } - : {}; - convertOptionsFromJson(ts.optionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_compiler_option_0, errors); - return options; - } - function convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) { - var options = ts.getBaseFileName(configFileName) === "jsconfig.json" - ? { enableAutoDiscovery: true, include: [], exclude: [] } - : { enableAutoDiscovery: false, include: [], exclude: [] }; - convertOptionsFromJson(ts.typingOptionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_typing_option_0, errors); - return options; - } - function convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, defaultOptions, diagnosticMessage, errors) { - if (!jsonOptions) { - return; + function emitNamedImports(node) { + emitNamedImportsOrExports(node); } - var optionNameMap = ts.arrayToMap(optionDeclarations, function (opt) { return opt.name; }); - for (var id in jsonOptions) { - if (id in optionNameMap) { - var opt = optionNameMap[id]; - defaultOptions[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors); + function emitImportSpecifier(node) { + emitImportOrExportSpecifier(node); + } + function emitExportAssignment(node) { + write(node.isExportEquals ? "export = " : "export default "); + emitExpression(node.expression); + write(";"); + } + function emitExportDeclaration(node) { + write("export "); + if (node.exportClause) { + emit(node.exportClause); } else { - errors.push(ts.createCompilerDiagnostic(diagnosticMessage, id)); + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emitExpression(node.moduleSpecifier); } + write(";"); } - } - function convertJsonOption(opt, value, basePath, errors) { - var optType = opt.type; - var expectedType = typeof optType === "string" ? optType : "string"; - if (optType === "list" && ts.isArray(value)) { - return convertJsonOptionOfListType(opt, value, basePath, errors); + function emitNamedExports(node) { + emitNamedImportsOrExports(node); } - else if (typeof value === expectedType) { - if (typeof optType !== "string") { - return convertJsonOptionOfCustomType(opt, value, errors); - } - else { - if (opt.isFilePath) { - value = ts.normalizePath(ts.combinePaths(basePath, value)); - if (value === "") { - value = "."; - } - } + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + } + function emitNamedImportsOrExports(node) { + write("{"); + emitList(node, node.elements, 432); + write("}"); + } + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + emit(node.propertyName); + write(" as "); } - return value; + emit(node.name); } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, expectedType)); + function emitExternalModuleReference(node) { + write("require("); + emitExpression(node.expression); + write(")"); } - } - function convertJsonOptionOfCustomType(opt, value, errors) { - var key = value.toLowerCase(); - if (key in opt.type) { - return opt.type[key]; + function emitJsxElement(node) { + emit(node.openingElement); + emitList(node, node.children, 131072); + emit(node.closingElement); } - else { - errors.push(createCompilerDiagnosticForInvalidCustomType(opt)); + function emitJsxSelfClosingElement(node) { + write("<"); + emitJsxTagName(node.tagName); + write(" "); + emitList(node, node.attributes, 131328); + write("/>"); } - } - function convertJsonOptionOfListType(option, values, basePath, errors) { - return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; }); - } - function trimString(s) { - return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, ""); - } - var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/; - var invalidMultipleRecursionPatterns = /(^|\/)\*\*\/(.*\/)?\*\*($|\/)/; - var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/; - var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//; - var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/; - function matchFileNames(fileNames, include, exclude, basePath, options, host, errors) { - basePath = ts.normalizePath(basePath); - var keyMapper = host.useCaseSensitiveFileNames ? caseSensitiveKeyMapper : caseInsensitiveKeyMapper; - var literalFileMap = ts.createMap(); - var wildcardFileMap = ts.createMap(); - if (include) { - include = validateSpecs(include, errors, false); + function emitJsxOpeningElement(node) { + write("<"); + emitJsxTagName(node.tagName); + writeIfAny(node.attributes, " "); + emitList(node, node.attributes, 131328); + write(">"); } - if (exclude) { - exclude = validateSpecs(exclude, errors, true); + function emitJsxText(node) { + writer.writeLiteral(getTextOfNode(node, true)); } - var wildcardDirectories = getWildcardDirectories(include, exclude, basePath, host.useCaseSensitiveFileNames); - var supportedExtensions = ts.getSupportedExtensions(options); - if (fileNames) { - for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) { - var fileName = fileNames_1[_i]; - var file = ts.combinePaths(basePath, fileName); - literalFileMap[keyMapper(file)] = file; - } + function emitJsxClosingElement(node) { + write(""); } - if (include && include.length > 0) { - for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensions, exclude, include); _a < _b.length; _a++) { - var file = _b[_a]; - if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) { - continue; - } - removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper); - var key = keyMapper(file); - if (!(key in literalFileMap) && !(key in wildcardFileMap)) { - wildcardFileMap[key] = file; - } - } + function emitJsxAttribute(node) { + emit(node.name); + emitWithPrefix("=", node.initializer); } - var literalFiles = ts.reduceProperties(literalFileMap, addFileToOutput, []); - var wildcardFiles = ts.reduceProperties(wildcardFileMap, addFileToOutput, []); - wildcardFiles.sort(host.useCaseSensitiveFileNames ? ts.compareStrings : ts.compareStringsCaseInsensitive); - return { - fileNames: literalFiles.concat(wildcardFiles), - wildcardDirectories: wildcardDirectories - }; - } - function validateSpecs(specs, errors, allowTrailingRecursion) { - var validSpecs = []; - for (var _i = 0, specs_2 = specs; _i < specs_2.length; _i++) { - var spec = specs_2[_i]; - if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); - } - else if (invalidMultipleRecursionPatterns.test(spec)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0, spec)); + function emitJsxSpreadAttribute(node) { + write("{..."); + emitExpression(node.expression); + write("}"); + } + function emitJsxExpression(node) { + if (node.expression) { + write("{"); + emitExpression(node.expression); + write("}"); } - else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec)); + } + function emitJsxTagName(node) { + if (node.kind === 70) { + emitExpression(node); } else { - validSpecs.push(spec); + emit(node); } } - return validSpecs; - } - function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) { - var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude"); - var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i"); - var wildcardDirectories = ts.createMap(); - if (include !== undefined) { - var recursiveKeys = []; - for (var _i = 0, include_1 = include; _i < include_1.length; _i++) { - var file = include_1[_i]; - var name_45 = ts.normalizePath(ts.combinePaths(path, file)); - if (excludeRegex && excludeRegex.test(name_45)) { - continue; - } - var match = wildcardDirectoryPattern.exec(name_45); - if (match) { - var key = useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase(); - var flags = watchRecursivePattern.test(name_45) ? 1 : 0; - var existingFlags = wildcardDirectories[key]; - if (existingFlags === undefined || existingFlags < flags) { - wildcardDirectories[key] = flags; - if (flags === 1) { - recursiveKeys.push(key); - } - } - } + function emitCaseClause(node) { + write("case "); + emitExpression(node.expression); + write(":"); + emitCaseOrDefaultClauseStatements(node, node.statements); + } + function emitDefaultClause(node) { + write("default:"); + emitCaseOrDefaultClauseStatements(node, node.statements); + } + function emitCaseOrDefaultClauseStatements(parentNode, statements) { + var emitAsSingleStatement = statements.length === 1 && + (ts.nodeIsSynthesized(parentNode) || + ts.nodeIsSynthesized(statements[0]) || + ts.rangeStartPositionsAreOnSameLine(parentNode, statements[0], currentSourceFile)); + if (emitAsSingleStatement) { + write(" "); + emit(statements[0]); } - for (var key in wildcardDirectories) { - for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) { - var recursiveKey = recursiveKeys_1[_a]; - if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) { - delete wildcardDirectories[key]; - } - } + else { + emitList(parentNode, statements, 81985); } } - return wildcardDirectories; - } - function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) { - var extensionPriority = ts.getExtensionPriority(file, extensions); - var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority); - for (var i = 0; i < adjustedExtensionPriority; i++) { - var higherPriorityExtension = extensions[i]; - var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension)); - if (higherPriorityPath in literalFiles || higherPriorityPath in wildcardFiles) { - return true; - } + function emitHeritageClause(node) { + write(" "); + writeTokenText(node.token); + write(" "); + emitList(node, node.types, 272); } - return false; - } - function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) { - var extensionPriority = ts.getExtensionPriority(file, extensions); - var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority); - for (var i = nextExtensionPriority; i < extensions.length; i++) { - var lowerPriorityExtension = extensions[i]; - var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension)); - delete wildcardFiles[lowerPriorityPath]; + function emitCatchClause(node) { + writeLine(); + var openParenPos = writeToken(73, node.pos); + write(" "); + writeToken(18, openParenPos); + emit(node.variableDeclaration); + writeToken(19, node.variableDeclaration ? node.variableDeclaration.end : openParenPos); + write(" "); + emit(node.block); } - } - function addFileToOutput(output, file) { - output.push(file); - return output; - } - function caseSensitiveKeyMapper(key) { - return key; - } - function caseInsensitiveKeyMapper(key) { - return key.toLowerCase(); - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var ScriptSnapshot; - (function (ScriptSnapshot) { - var StringScriptSnapshot = (function () { - function StringScriptSnapshot(text) { - this.text = text; + function emitPropertyAssignment(node) { + emit(node.name); + write(": "); + var initializer = node.initializer; + if ((ts.getEmitFlags(initializer) & 16384) === 0) { + var commentRange = ts.getCommentRange(initializer); + emitTrailingCommentsOfPosition(commentRange.pos); } - StringScriptSnapshot.prototype.getText = function (start, end) { - return this.text.substring(start, end); - }; - StringScriptSnapshot.prototype.getLength = function () { - return this.text.length; - }; - StringScriptSnapshot.prototype.getChangeRange = function () { - return undefined; - }; - return StringScriptSnapshot; - }()); - function fromString(text) { - return new StringScriptSnapshot(text); - } - ScriptSnapshot.fromString = fromString; - })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); - var TextChange = (function () { - function TextChange() { - } - return TextChange; - }()); - ts.TextChange = TextChange; - var HighlightSpanKind; - (function (HighlightSpanKind) { - HighlightSpanKind.none = "none"; - HighlightSpanKind.definition = "definition"; - HighlightSpanKind.reference = "reference"; - HighlightSpanKind.writtenReference = "writtenReference"; - })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); - (function (IndentStyle) { - IndentStyle[IndentStyle["None"] = 0] = "None"; - IndentStyle[IndentStyle["Block"] = 1] = "Block"; - IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; - })(ts.IndentStyle || (ts.IndentStyle = {})); - var IndentStyle = ts.IndentStyle; - (function (SymbolDisplayPartKind) { - SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; - SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; - SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; - SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; - SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; - SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; - SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; - })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); - var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; - (function (OutputFileType) { - OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript"; - OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap"; - OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration"; - })(ts.OutputFileType || (ts.OutputFileType = {})); - var OutputFileType = ts.OutputFileType; - (function (EndOfLineState) { - EndOfLineState[EndOfLineState["None"] = 0] = "None"; - EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia"; - EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate"; - EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail"; - EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition"; - })(ts.EndOfLineState || (ts.EndOfLineState = {})); - var EndOfLineState = ts.EndOfLineState; - (function (TokenClass) { - TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; - TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; - TokenClass[TokenClass["Operator"] = 2] = "Operator"; - TokenClass[TokenClass["Comment"] = 3] = "Comment"; - TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; - TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; - TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; - TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; - TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; - })(ts.TokenClass || (ts.TokenClass = {})); - var TokenClass = ts.TokenClass; - var ScriptElementKind; - (function (ScriptElementKind) { - ScriptElementKind.unknown = ""; - ScriptElementKind.warning = "warning"; - ScriptElementKind.keyword = "keyword"; - ScriptElementKind.scriptElement = "script"; - ScriptElementKind.moduleElement = "module"; - ScriptElementKind.classElement = "class"; - ScriptElementKind.localClassElement = "local class"; - ScriptElementKind.interfaceElement = "interface"; - ScriptElementKind.typeElement = "type"; - ScriptElementKind.enumElement = "enum"; - ScriptElementKind.enumMemberElement = "const"; - ScriptElementKind.variableElement = "var"; - ScriptElementKind.localVariableElement = "local var"; - ScriptElementKind.functionElement = "function"; - ScriptElementKind.localFunctionElement = "local function"; - ScriptElementKind.memberFunctionElement = "method"; - ScriptElementKind.memberGetAccessorElement = "getter"; - ScriptElementKind.memberSetAccessorElement = "setter"; - ScriptElementKind.memberVariableElement = "property"; - ScriptElementKind.constructorImplementationElement = "constructor"; - ScriptElementKind.callSignatureElement = "call"; - ScriptElementKind.indexSignatureElement = "index"; - ScriptElementKind.constructSignatureElement = "construct"; - ScriptElementKind.parameterElement = "parameter"; - ScriptElementKind.typeParameterElement = "type parameter"; - ScriptElementKind.primitiveType = "primitive type"; - ScriptElementKind.label = "label"; - ScriptElementKind.alias = "alias"; - ScriptElementKind.constElement = "const"; - ScriptElementKind.letElement = "let"; - ScriptElementKind.directory = "directory"; - ScriptElementKind.externalModuleName = "external module name"; - })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); - var ScriptElementKindModifier; - (function (ScriptElementKindModifier) { - ScriptElementKindModifier.none = ""; - ScriptElementKindModifier.publicMemberModifier = "public"; - ScriptElementKindModifier.privateMemberModifier = "private"; - ScriptElementKindModifier.protectedMemberModifier = "protected"; - ScriptElementKindModifier.exportedModifier = "export"; - ScriptElementKindModifier.ambientModifier = "declare"; - ScriptElementKindModifier.staticModifier = "static"; - ScriptElementKindModifier.abstractModifier = "abstract"; - })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); - var ClassificationTypeNames = (function () { - function ClassificationTypeNames() { + emitExpression(initializer); } - return ClassificationTypeNames; - }()); - ClassificationTypeNames.comment = "comment"; - ClassificationTypeNames.identifier = "identifier"; - ClassificationTypeNames.keyword = "keyword"; - ClassificationTypeNames.numericLiteral = "number"; - ClassificationTypeNames.operator = "operator"; - ClassificationTypeNames.stringLiteral = "string"; - ClassificationTypeNames.whiteSpace = "whitespace"; - ClassificationTypeNames.text = "text"; - ClassificationTypeNames.punctuation = "punctuation"; - ClassificationTypeNames.className = "class name"; - ClassificationTypeNames.enumName = "enum name"; - ClassificationTypeNames.interfaceName = "interface name"; - ClassificationTypeNames.moduleName = "module name"; - ClassificationTypeNames.typeParameterName = "type parameter name"; - ClassificationTypeNames.typeAliasName = "type alias name"; - ClassificationTypeNames.parameterName = "parameter name"; - ClassificationTypeNames.docCommentTagName = "doc comment tag name"; - ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; - ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; - ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; - ClassificationTypeNames.jsxAttribute = "jsx attribute"; - ClassificationTypeNames.jsxText = "jsx text"; - ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; - ts.ClassificationTypeNames = ClassificationTypeNames; - (function (ClassificationType) { - ClassificationType[ClassificationType["comment"] = 1] = "comment"; - ClassificationType[ClassificationType["identifier"] = 2] = "identifier"; - ClassificationType[ClassificationType["keyword"] = 3] = "keyword"; - ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral"; - ClassificationType[ClassificationType["operator"] = 5] = "operator"; - ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral"; - ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral"; - ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace"; - ClassificationType[ClassificationType["text"] = 9] = "text"; - ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation"; - ClassificationType[ClassificationType["className"] = 11] = "className"; - ClassificationType[ClassificationType["enumName"] = 12] = "enumName"; - ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName"; - ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName"; - ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName"; - ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName"; - ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName"; - ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName"; - ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName"; - ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName"; - ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName"; - ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute"; - ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText"; - ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue"; - })(ts.ClassificationType || (ts.ClassificationType = {})); - var ClassificationType = ts.ClassificationType; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.scanner = ts.createScanner(4, true); - ts.emptyArray = []; - (function (SemanticMeaning) { - SemanticMeaning[SemanticMeaning["None"] = 0] = "None"; - SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value"; - SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type"; - SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace"; - SemanticMeaning[SemanticMeaning["All"] = 7] = "All"; - })(ts.SemanticMeaning || (ts.SemanticMeaning = {})); - var SemanticMeaning = ts.SemanticMeaning; - function getMeaningFromDeclaration(node) { - switch (node.kind) { - case 143: - case 219: - case 170: - case 146: - case 145: - case 253: - case 254: - case 255: - case 148: - case 147: - case 149: - case 150: - case 151: - case 221: - case 180: - case 181: - case 252: - return 1; - case 142: - case 223: - case 224: - case 160: - return 2; - case 222: - case 225: - return 1 | 2; - case 226: - if (ts.isAmbientModule(node)) { - return 4 | 1; - } - else if (ts.getModuleInstanceState(node) === 1) { - return 4 | 1; + function emitShorthandPropertyAssignment(node) { + emit(node.name); + if (node.objectAssignmentInitializer) { + write(" = "); + emitExpression(node.objectAssignmentInitializer); + } + } + function emitEnumMember(node) { + emit(node.name); + emitExpressionWithPrefix(" = ", node.initializer); + } + function emitSourceFile(node) { + writeLine(); + emitShebang(); + emitBodyWithDetachedComments(node, node.statements, emitSourceFileWorker); + } + function emitSourceFileWorker(node) { + var statements = node.statements; + var statementOffset = emitPrologueDirectives(statements); + var savedTempFlags = tempFlags; + tempFlags = 0; + emitHelpers(node); + emitList(node, statements, 1, statementOffset); + tempFlags = savedTempFlags; + } + function emitPartiallyEmittedExpression(node) { + emitExpression(node.expression); + } + function emitPrologueDirectives(statements, startWithNewLine) { + for (var i = 0; i < statements.length; i++) { + if (ts.isPrologueDirective(statements[i])) { + if (startWithNewLine || i > 0) { + writeLine(); + } + emit(statements[i]); } else { - return 4; + return i; } - case 234: - case 235: - case 230: - case 231: - case 236: - case 237: - return 1 | 2 | 4; - case 256: - return 4 | 1; + } + return statements.length; } - return 1 | 2 | 4; - } - ts.getMeaningFromDeclaration = getMeaningFromDeclaration; - function getMeaningFromLocation(node) { - if (node.parent.kind === 236) { - return 1 | 2 | 4; + function emitHelpers(node) { + var emitFlags = ts.getEmitFlags(node); + var helpersEmitted = false; + if (emitFlags & 1) { + helpersEmitted = emitEmitHelpers(currentSourceFile); + } + if (emitFlags & 2) { + writeLines(exportStarHelper); + helpersEmitted = true; + } + if (emitFlags & 4) { + writeLines(superHelper); + helpersEmitted = true; + } + if (emitFlags & 8) { + writeLines(advancedSuperHelper); + helpersEmitted = true; + } + return helpersEmitted; } - else if (isInRightSideOfImport(node)) { - return getMeaningFromRightHandSideOfImportEquals(node); + function emitEmitHelpers(node) { + if (compilerOptions.noEmitHelpers) { + return false; + } + if (compilerOptions.importHelpers + && (ts.isExternalModule(node) || compilerOptions.isolatedModules)) { + return false; + } + var helpersEmitted = false; + if ((languageVersion < 2) && (!extendsEmitted && node.flags & 1024)) { + writeLines(extendsHelper); + extendsEmitted = true; + helpersEmitted = true; + } + if (compilerOptions.jsx !== 1 && !assignEmitted && (node.flags & 16384)) { + writeLines(assignHelper); + assignEmitted = true; + } + if (!decorateEmitted && node.flags & 2048) { + writeLines(decorateHelper); + if (compilerOptions.emitDecoratorMetadata) { + writeLines(metadataHelper); + } + decorateEmitted = true; + helpersEmitted = true; + } + if (!paramEmitted && node.flags & 4096) { + writeLines(paramHelper); + paramEmitted = true; + helpersEmitted = true; + } + if ((languageVersion < 4) && (!awaiterEmitted && node.flags & 8192)) { + writeLines(awaiterHelper); + if (languageVersion < 2) { + writeLines(generatorHelper); + } + awaiterEmitted = true; + helpersEmitted = true; + } + if (helpersEmitted) { + writeLine(); + } + return helpersEmitted; } - else if (ts.isDeclarationName(node)) { - return getMeaningFromDeclaration(node.parent); + function writeLines(text) { + var lines = text.split(/\r\n|\r|\n/g); + for (var i = 0; i < lines.length; i++) { + var line = lines[i]; + if (line.length) { + if (i > 0) { + writeLine(); + } + write(line); + } + } } - else if (isTypeReference(node)) { - return 2; + function emitShebang() { + var shebang = ts.getShebang(currentText); + if (shebang) { + write(shebang); + writeLine(); + } } - else if (isNamespaceReference(node)) { - return 4; + function emitModifiers(node, modifiers) { + if (modifiers && modifiers.length) { + emitList(node, modifiers, 256); + write(" "); + } } - else { - return 1; + function emitWithPrefix(prefix, node) { + emitNodeWithPrefix(prefix, node, emit); } - } - ts.getMeaningFromLocation = getMeaningFromLocation; - function getMeaningFromRightHandSideOfImportEquals(node) { - ts.Debug.assert(node.kind === 70); - if (node.parent.kind === 140 && - node.parent.right === node && - node.parent.parent.kind === 230) { - return 1 | 2 | 4; + function emitExpressionWithPrefix(prefix, node) { + emitNodeWithPrefix(prefix, node, emitExpression); } - return 4; - } - function isInRightSideOfImport(node) { - while (node.parent.kind === 140) { - node = node.parent; + function emitNodeWithPrefix(prefix, node, emit) { + if (node) { + write(prefix); + emit(node); + } } - return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; - } - function isNamespaceReference(node) { - return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); - } - function isQualifiedNameNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 140) { - while (root.parent && root.parent.kind === 140) { - root = root.parent; + function emitWithSuffix(node, suffix) { + if (node) { + emit(node); + write(suffix); } - isLastClause = root.right === node; } - return root.parent.kind === 156 && !isLastClause; - } - function isPropertyAccessNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 173) { - while (root.parent && root.parent.kind === 173) { - root = root.parent; + function emitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + write(" "); + emit(node); + } + else { + writeLine(); + increaseIndent(); + emit(node); + decreaseIndent(); } - isLastClause = root.name === node; } - if (!isLastClause && root.parent.kind === 195 && root.parent.parent.kind === 251) { - var decl = root.parent.parent.parent; - return (decl.kind === 222 && root.parent.parent.token === 107) || - (decl.kind === 223 && root.parent.parent.token === 84); + function emitDecorators(parentNode, decorators) { + emitList(parentNode, decorators, 24577); } - return false; - } - function isTypeReference(node) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { - node = node.parent; + function emitTypeArguments(parentNode, typeArguments) { + emitList(parentNode, typeArguments, 26960); } - return node.parent.kind === 156 || - (node.parent.kind === 195 && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || - (node.kind === 98 && !ts.isPartOfExpression(node)) || - node.kind === 166; - } - function isCallExpressionTarget(node) { - return isCallOrNewExpressionTarget(node, 175); - } - ts.isCallExpressionTarget = isCallExpressionTarget; - function isNewExpressionTarget(node) { - return isCallOrNewExpressionTarget(node, 176); - } - ts.isNewExpressionTarget = isNewExpressionTarget; - function isCallOrNewExpressionTarget(node, kind) { - var target = climbPastPropertyAccess(node); - return target && target.parent && target.parent.kind === kind && target.parent.expression === target; - } - function climbPastPropertyAccess(node) { - return isRightSideOfPropertyAccess(node) ? node.parent : node; - } - ts.climbPastPropertyAccess = climbPastPropertyAccess; - function getTargetLabel(referenceNode, labelName) { - while (referenceNode) { - if (referenceNode.kind === 215 && referenceNode.label.text === labelName) { - return referenceNode.label; - } - referenceNode = referenceNode.parent; + function emitTypeParameters(parentNode, typeParameters) { + emitList(parentNode, typeParameters, 26960); } - return undefined; - } - ts.getTargetLabel = getTargetLabel; - function isJumpStatementTarget(node) { - return node.kind === 70 && - (node.parent.kind === 211 || node.parent.kind === 210) && - node.parent.label === node; - } - ts.isJumpStatementTarget = isJumpStatementTarget; - function isLabelOfLabeledStatement(node) { - return node.kind === 70 && - node.parent.kind === 215 && - node.parent.label === node; - } - function isLabelName(node) { - return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); - } - ts.isLabelName = isLabelName; - function isRightSideOfQualifiedName(node) { - return node.parent.kind === 140 && node.parent.right === node; - } - ts.isRightSideOfQualifiedName = isRightSideOfQualifiedName; - function isRightSideOfPropertyAccess(node) { - return node && node.parent && node.parent.kind === 173 && node.parent.name === node; - } - ts.isRightSideOfPropertyAccess = isRightSideOfPropertyAccess; - function isNameOfModuleDeclaration(node) { - return node.parent.kind === 226 && node.parent.name === node; - } - ts.isNameOfModuleDeclaration = isNameOfModuleDeclaration; - function isNameOfFunctionDeclaration(node) { - return node.kind === 70 && - ts.isFunctionLike(node.parent) && node.parent.name === node; - } - ts.isNameOfFunctionDeclaration = isNameOfFunctionDeclaration; - function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { - if (node.kind === 9 || node.kind === 8) { - switch (node.parent.kind) { - case 146: - case 145: - case 253: - case 255: - case 148: - case 147: - case 150: - case 151: - case 226: - return node.parent.name === node; - case 174: - return node.parent.argumentExpression === node; - case 141: - return true; + function emitParameters(parentNode, parameters) { + emitList(parentNode, parameters, 1360); + } + function emitParametersForArrow(parentNode, parameters) { + if (parameters && + parameters.length === 1 && + parameters[0].type === undefined && + parameters[0].pos === parentNode.pos) { + emit(parameters[0]); + } + else { + emitParameters(parentNode, parameters); } } - return false; - } - ts.isLiteralNameOfPropertyDeclarationOrIndexAccess = isLiteralNameOfPropertyDeclarationOrIndexAccess; - function isExpressionOfExternalModuleImportEqualsDeclaration(node) { - return ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node; - } - ts.isExpressionOfExternalModuleImportEqualsDeclaration = isExpressionOfExternalModuleImportEqualsDeclaration; - function isInsideComment(sourceFile, token, position) { - return position <= token.getStart(sourceFile) && - (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || - isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); - function isInsideCommentRange(comments) { - return ts.forEach(comments, function (comment) { - if (comment.pos < position && position < comment.end) { - return true; + function emitParametersForIndexSignature(parentNode, parameters) { + emitList(parentNode, parameters, 4432); + } + function emitList(parentNode, children, format, start, count) { + emitNodeList(emit, parentNode, children, format, start, count); + } + function emitExpressionList(parentNode, children, format, start, count) { + emitNodeList(emitExpression, parentNode, children, format, start, count); + } + function emitNodeList(emit, parentNode, children, format, start, count) { + if (start === void 0) { start = 0; } + if (count === void 0) { count = children ? children.length - start : 0; } + var isUndefined = children === undefined; + if (isUndefined && format & 8192) { + return; + } + var isEmpty = isUndefined || children.length === 0 || start >= children.length || count === 0; + if (isEmpty && format & 16384) { + return; + } + if (format & 7680) { + write(getOpeningBracket(format)); + } + if (isEmpty) { + if (format & 1) { + writeLine(); } - else if (position === comment.end) { - var text = sourceFile.text; - var width = comment.end - comment.pos; - if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47) { - return true; + else if (format & 128) { + write(" "); + } + } + else { + var mayEmitInterveningComments = (format & 131072) === 0; + var shouldEmitInterveningComments = mayEmitInterveningComments; + if (shouldWriteLeadingLineTerminator(parentNode, children, format)) { + writeLine(); + shouldEmitInterveningComments = false; + } + else if (format & 128) { + write(" "); + } + if (format & 64) { + increaseIndent(); + } + var previousSibling = void 0; + var shouldDecreaseIndentAfterEmit = void 0; + var delimiter = getDelimiter(format); + for (var i = 0; i < count; i++) { + var child = children[start + i]; + if (previousSibling) { + write(delimiter); + if (shouldWriteSeparatingLineTerminator(previousSibling, child, format)) { + if ((format & (3 | 64)) === 0) { + increaseIndent(); + shouldDecreaseIndentAfterEmit = true; + } + writeLine(); + shouldEmitInterveningComments = false; + } + else if (previousSibling && format & 256) { + write(" "); + } + } + if (shouldEmitInterveningComments) { + var commentRange = ts.getCommentRange(child); + emitTrailingCommentsOfPosition(commentRange.pos); } else { - return !(text.charCodeAt(comment.end - 1) === 47 && - text.charCodeAt(comment.end - 2) === 42); + shouldEmitInterveningComments = mayEmitInterveningComments; + } + emit(child); + if (shouldDecreaseIndentAfterEmit) { + decreaseIndent(); + shouldDecreaseIndentAfterEmit = false; } + previousSibling = child; + } + var hasTrailingComma = (format & 32) && children.hasTrailingComma; + if (format & 16 && hasTrailingComma) { + write(","); + } + if (format & 64) { + decreaseIndent(); + } + if (shouldWriteClosingLineTerminator(parentNode, children, format)) { + writeLine(); + } + else if (format & 128) { + write(" "); } - return false; - }); - } - } - ts.isInsideComment = isInsideComment; - function getContainerNode(node) { - while (true) { - node = node.parent; - if (!node) { - return undefined; } - switch (node.kind) { - case 256: - case 148: - case 147: - case 221: - case 180: - case 150: - case 151: - case 222: - case 223: - case 225: - case 226: - return node; + if (format & 7680) { + write(getClosingBracket(format)); + } + } + function writeIfAny(nodes, text) { + if (nodes && nodes.length > 0) { + write(text); } } - } - ts.getContainerNode = getContainerNode; - function getNodeKind(node) { - switch (node.kind) { - case 256: - return ts.isExternalModule(node) ? ts.ScriptElementKind.moduleElement : ts.ScriptElementKind.scriptElement; - case 226: - return ts.ScriptElementKind.moduleElement; - case 222: - case 193: - return ts.ScriptElementKind.classElement; - case 223: return ts.ScriptElementKind.interfaceElement; - case 224: return ts.ScriptElementKind.typeElement; - case 225: return ts.ScriptElementKind.enumElement; - case 219: - return getKindOfVariableDeclaration(node); - case 170: - return getKindOfVariableDeclaration(ts.getRootDeclaration(node)); - case 181: - case 221: - case 180: - return ts.ScriptElementKind.functionElement; - case 150: return ts.ScriptElementKind.memberGetAccessorElement; - case 151: return ts.ScriptElementKind.memberSetAccessorElement; - case 148: - case 147: - return ts.ScriptElementKind.memberFunctionElement; - case 146: - case 145: - return ts.ScriptElementKind.memberVariableElement; - case 154: return ts.ScriptElementKind.indexSignatureElement; - case 153: return ts.ScriptElementKind.constructSignatureElement; - case 152: return ts.ScriptElementKind.callSignatureElement; - case 149: return ts.ScriptElementKind.constructorImplementationElement; - case 142: return ts.ScriptElementKind.typeParameterElement; - case 255: return ts.ScriptElementKind.enumMemberElement; - case 143: return ts.hasModifier(node, 92) ? ts.ScriptElementKind.memberVariableElement : ts.ScriptElementKind.parameterElement; - case 230: - case 235: - case 232: - case 239: - case 233: - return ts.ScriptElementKind.alias; - case 279: - return ts.ScriptElementKind.typeElement; - default: - return ts.ScriptElementKind.unknown; + function writeIfPresent(node, text) { + if (node !== undefined) { + write(text); + } } - function getKindOfVariableDeclaration(v) { - return ts.isConst(v) - ? ts.ScriptElementKind.constElement - : ts.isLet(v) - ? ts.ScriptElementKind.letElement - : ts.ScriptElementKind.variableElement; + function writeToken(token, pos, contextNode) { + return emitTokenWithSourceMap(contextNode, token, pos, writeTokenText); } - } - ts.getNodeKind = getNodeKind; - function getStringLiteralTypeForNode(node, typeChecker) { - var searchNode = node.parent.kind === 167 ? node.parent : node; - var type = typeChecker.getTypeAtLocation(searchNode); - if (type && type.flags & 32) { - return type; + function writeTokenText(token, pos) { + var tokenString = ts.tokenToString(token); + write(tokenString); + return pos < 0 ? pos : pos + tokenString.length; } - return undefined; - } - ts.getStringLiteralTypeForNode = getStringLiteralTypeForNode; - function isThis(node) { - switch (node.kind) { - case 98: + function increaseIndentIf(value, valueToWriteWhenNotIndenting) { + if (value) { + increaseIndent(); + writeLine(); + } + else if (valueToWriteWhenNotIndenting) { + write(valueToWriteWhenNotIndenting); + } + } + function decreaseIndentIf(value1, value2) { + if (value1) { + decreaseIndent(); + } + if (value2) { + decreaseIndent(); + } + } + function shouldWriteLeadingLineTerminator(parentNode, children, format) { + if (format & 1) { return true; - case 70: - return ts.identifierIsThisKeyword(node) && node.parent.kind === 143; - default: + } + if (format & 2) { + if (format & 32768) { + return true; + } + var firstChild = children[0]; + if (firstChild === undefined) { + return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); + } + else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(firstChild)) { + return synthesizedNodeStartsOnNewLine(firstChild, format); + } + else { + return !ts.rangeStartPositionsAreOnSameLine(parentNode, firstChild, currentSourceFile); + } + } + else { return false; + } } - } - ts.isThis = isThis; - var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= range.end; - } - ts.startEndContainsRange = startEndContainsRange; - function rangeContainsStartEnd(range, start, end) { - return range.pos <= start && range.end >= end; - } - ts.rangeContainsStartEnd = rangeContainsStartEnd; - function rangeOverlapsWithStartEnd(r1, start, end) { - return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); - } - ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; - function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { - var start = Math.max(start1, start2); - var end = Math.min(end1, end2); - return start < end; - } - ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; - function positionBelongsToNode(candidate, position, sourceFile) { - return candidate.end > position || !isCompletedNode(candidate, sourceFile); - } - ts.positionBelongsToNode = positionBelongsToNode; - function isCompletedNode(n, sourceFile) { - if (ts.nodeIsMissing(n)) { - return false; + function shouldWriteSeparatingLineTerminator(previousNode, nextNode, format) { + if (format & 1) { + return true; + } + else if (format & 2) { + if (previousNode === undefined || nextNode === undefined) { + return false; + } + else if (ts.nodeIsSynthesized(previousNode) || ts.nodeIsSynthesized(nextNode)) { + return synthesizedNodeStartsOnNewLine(previousNode, format) || synthesizedNodeStartsOnNewLine(nextNode, format); + } + else { + return !ts.rangeEndIsOnSameLineAsRangeStart(previousNode, nextNode, currentSourceFile); + } + } + else { + return nextNode.startsOnNewLine; + } } - switch (n.kind) { - case 222: - case 223: - case 225: - case 172: - case 168: - case 160: - case 200: - case 227: - case 228: - case 234: - case 238: - return nodeEndsWith(n, 17, sourceFile); - case 252: - return isCompletedNode(n.block, sourceFile); - case 176: - if (!n.arguments) { + function shouldWriteClosingLineTerminator(parentNode, children, format) { + if (format & 1) { + return (format & 65536) === 0; + } + else if (format & 2) { + if (format & 32768) { return true; } - case 175: - case 179: - case 165: - return nodeEndsWith(n, 19, sourceFile); - case 157: - case 158: - return isCompletedNode(n.type, sourceFile); - case 149: - case 150: - case 151: - case 221: - case 180: - case 148: - case 147: - case 153: - case 152: - case 181: - if (n.body) { - return isCompletedNode(n.body, sourceFile); - } - if (n.type) { - return isCompletedNode(n.type, sourceFile); + var lastChild = ts.lastOrUndefined(children); + if (lastChild === undefined) { + return !ts.rangeIsOnSingleLine(parentNode, currentSourceFile); } - return hasChildOfKind(n, 19, sourceFile); - case 226: - return n.body && isCompletedNode(n.body, sourceFile); - case 204: - if (n.elseStatement) { - return isCompletedNode(n.elseStatement, sourceFile); + else if (ts.positionIsSynthesized(parentNode.pos) || ts.nodeIsSynthesized(lastChild)) { + return synthesizedNodeStartsOnNewLine(lastChild, format); } - return isCompletedNode(n.thenStatement, sourceFile); - case 203: - return isCompletedNode(n.expression, sourceFile) || - hasChildOfKind(n, 24); - case 171: - case 169: - case 174: - case 141: - case 162: - return nodeEndsWith(n, 21, sourceFile); - case 154: - if (n.type) { - return isCompletedNode(n.type, sourceFile); + else { + return !ts.rangeEndPositionsAreOnSameLine(parentNode, lastChild, currentSourceFile); } - return hasChildOfKind(n, 21, sourceFile); - case 249: - case 250: + } + else { return false; - case 207: - case 208: - case 209: - case 206: - return isCompletedNode(n.statement, sourceFile); - case 205: - var hasWhileKeyword = findChildOfKind(n, 105, sourceFile); - if (hasWhileKeyword) { - return nodeEndsWith(n, 19, sourceFile); + } + } + function synthesizedNodeStartsOnNewLine(node, format) { + if (ts.nodeIsSynthesized(node)) { + var startsOnNewLine = node.startsOnNewLine; + if (startsOnNewLine === undefined) { + return (format & 32768) !== 0; } - return isCompletedNode(n.statement, sourceFile); - case 159: - return isCompletedNode(n.exprName, sourceFile); - case 183: - case 182: - case 184: - case 191: - case 192: - var unaryWordExpression = n; - return isCompletedNode(unaryWordExpression.expression, sourceFile); - case 177: - return isCompletedNode(n.template, sourceFile); - case 190: - var lastSpan = ts.lastOrUndefined(n.templateSpans); - return isCompletedNode(lastSpan, sourceFile); - case 198: - return ts.nodeIsPresent(n.literal); - case 237: - case 231: - return ts.nodeIsPresent(n.moduleSpecifier); - case 186: - return isCompletedNode(n.operand, sourceFile); - case 188: - return isCompletedNode(n.right, sourceFile); - case 189: - return isCompletedNode(n.whenFalse, sourceFile); - default: - return true; + return startsOnNewLine; + } + return (format & 32768) !== 0; } - } - ts.isCompletedNode = isCompletedNode; - function nodeEndsWith(n, expectedLastToken, sourceFile) { - var children = n.getChildren(sourceFile); - if (children.length) { - var last = ts.lastOrUndefined(children); - if (last.kind === expectedLastToken) { + function needsIndentation(parent, node1, node2) { + parent = skipSynthesizedParentheses(parent); + node1 = skipSynthesizedParentheses(node1); + node2 = skipSynthesizedParentheses(node2); + if (node2.startsOnNewLine) { return true; } - else if (last.kind === 24 && children.length !== 1) { - return children[children.length - 2].kind === expectedLastToken; - } + return !ts.nodeIsSynthesized(parent) + && !ts.nodeIsSynthesized(node1) + && !ts.nodeIsSynthesized(node2) + && !ts.rangeEndIsOnSameLineAsRangeStart(node1, node2, currentSourceFile); } - return false; - } - function findListItemInfo(node) { - var list = findContainingList(node); - if (!list) { - return undefined; + function skipSynthesizedParentheses(node) { + while (node.kind === 179 && ts.nodeIsSynthesized(node)) { + node = node.expression; + } + return node; } - var children = list.getChildren(); - var listItemIndex = ts.indexOf(children, node); - return { - listItemIndex: listItemIndex, - list: list - }; - } - ts.findListItemInfo = findListItemInfo; - function hasChildOfKind(n, kind, sourceFile) { - return !!findChildOfKind(n, kind, sourceFile); - } - ts.hasChildOfKind = hasChildOfKind; - function findChildOfKind(n, kind, sourceFile) { - return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); - } - ts.findChildOfKind = findChildOfKind; - function findContainingList(node) { - var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { - if (c.kind === 286 && c.pos <= node.pos && c.end >= node.end) { - return c; + function getTextOfNode(node, includeTrivia) { + if (ts.isGeneratedIdentifier(node)) { + return getGeneratedIdentifier(node); } - }); - ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); - return syntaxList; - } - ts.findContainingList = findContainingList; - function getTouchingWord(sourceFile, position, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }, includeJsDocComment); - } - ts.getTouchingWord = getTouchingWord; - function getTouchingPropertyName(sourceFile, position, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }, includeJsDocComment); - } - ts.getTouchingPropertyName = getTouchingPropertyName; - function getTouchingToken(sourceFile, position, includeItemAtEndPosition, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTokenAtPositionWorker(sourceFile, position, false, includeItemAtEndPosition, includeJsDocComment); - } - ts.getTouchingToken = getTouchingToken; - function getTokenAtPosition(sourceFile, position, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - return getTokenAtPositionWorker(sourceFile, position, true, undefined, includeJsDocComment); - } - ts.getTokenAtPosition = getTokenAtPosition; - function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition, includeJsDocComment) { - if (includeJsDocComment === void 0) { includeJsDocComment = false; } - var current = sourceFile; - outer: while (true) { - if (isToken(current)) { - return current; + else if (ts.isIdentifier(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { + return ts.unescapeIdentifier(node.text); } - if (includeJsDocComment) { - var jsDocChildren = ts.filter(current.getChildren(), ts.isJSDocNode); - for (var _i = 0, jsDocChildren_1 = jsDocChildren; _i < jsDocChildren_1.length; _i++) { - var jsDocChild = jsDocChildren_1[_i]; - var start = allowPositionInLeadingTrivia ? jsDocChild.getFullStart() : jsDocChild.getStart(sourceFile, includeJsDocComment); - if (start <= position) { - var end = jsDocChild.getEnd(); - if (position < end || (position === end && jsDocChild.kind === 1)) { - current = jsDocChild; - continue outer; - } - else if (includeItemAtEndPosition && end === position) { - var previousToken = findPrecedingToken(position, sourceFile, jsDocChild); - if (previousToken && includeItemAtEndPosition(previousToken)) { - return previousToken; - } - } - } - } + else if (node.kind === 9 && node.textSourceNode) { + return getTextOfNode(node.textSourceNode, includeTrivia); } - for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { - var child = current.getChildAt(i); - if (ts.isJSDocNode(child)) { - continue; + else if (ts.isLiteralExpression(node) && (ts.nodeIsSynthesized(node) || !node.parent)) { + return node.text; + } + return ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node, includeTrivia); + } + function getLiteralTextOfNode(node) { + if (node.kind === 9 && node.textSourceNode) { + var textSourceNode = node.textSourceNode; + if (ts.isIdentifier(textSourceNode)) { + return "\"" + ts.escapeNonAsciiCharacters(ts.escapeString(getTextOfNode(textSourceNode))) + "\""; } - var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile, includeJsDocComment); - if (start <= position) { - var end = child.getEnd(); - if (position < end || (position === end && child.kind === 1)) { - current = child; - continue outer; - } - else if (includeItemAtEndPosition && end === position) { - var previousToken = findPrecedingToken(position, sourceFile, child); - if (previousToken && includeItemAtEndPosition(previousToken)) { - return previousToken; - } - } + else { + return getLiteralTextOfNode(textSourceNode); } } - return current; + return ts.getLiteralText(node, currentSourceFile, languageVersion); } - } - function findTokenOnLeftOfPosition(file, position) { - var tokenAtPosition = getTokenAtPosition(file, position); - if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { - return tokenAtPosition; + function isSingleLineEmptyBlock(block) { + return !block.multiLine + && isEmptyBlock(block); } - return findPrecedingToken(position, file); - } - ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; - function findNextToken(previousToken, parent) { - return find(parent); - function find(n) { - if (isToken(n) && n.pos === previousToken.end) { - return n; - } - var children = n.getChildren(); - for (var _i = 0, children_2 = children; _i < children_2.length; _i++) { - var child = children_2[_i]; - var shouldDiveInChildNode = (child.pos <= previousToken.pos && child.end > previousToken.end) || - (child.pos === previousToken.end); - if (shouldDiveInChildNode && nodeHasTokens(child)) { - return find(child); - } - } - return undefined; + function isEmptyBlock(block) { + return block.statements.length === 0 + && ts.rangeEndIsOnSameLineAsRangeStart(block, block, currentSourceFile); } - } - ts.findNextToken = findNextToken; - function findPrecedingToken(position, sourceFile, startNode) { - return find(startNode || sourceFile); - function findRightmostToken(n) { - if (isToken(n)) { - return n; + function isUniqueName(name) { + return !resolver.hasGlobalName(name) && + !ts.hasProperty(currentFileIdentifiers, name) && + !ts.hasProperty(generatedNameSet, name); + } + function isUniqueLocalName(name, container) { + for (var node = container; ts.isNodeDescendantOf(node, container); node = node.nextContainer) { + if (node.locals && ts.hasProperty(node.locals, name)) { + if (node.locals[name].flags & (107455 | 1048576 | 8388608)) { + return false; + } + } } - var children = n.getChildren(); - var candidate = findRightmostChildNodeWithTokens(children, children.length); - return candidate && findRightmostToken(candidate); + return true; } - function find(n) { - if (isToken(n)) { - return n; + function makeTempVariableName(flags) { + if (flags && !(tempFlags & flags)) { + var name_44 = flags === 268435456 ? "_i" : "_n"; + if (isUniqueName(name_44)) { + tempFlags |= flags; + return name_44; + } } - var children = n.getChildren(); - for (var i = 0, len = children.length; i < len; i++) { - var child = children[i]; - if (position < child.end && (nodeHasTokens(child) || child.kind === 10)) { - var start = child.getStart(sourceFile); - var lookInPreviousChild = (start >= position) || - (child.kind === 10 && start === child.end); - if (lookInPreviousChild) { - var candidate = findRightmostChildNodeWithTokens(children, i); - return candidate && findRightmostToken(candidate); - } - else { - return find(child); + while (true) { + var count = tempFlags & 268435455; + tempFlags++; + if (count !== 8 && count !== 13) { + var name_45 = count < 26 + ? "_" + String.fromCharCode(97 + count) + : "_" + (count - 26); + if (isUniqueName(name_45)) { + return name_45; } } } - ts.Debug.assert(startNode !== undefined || n.kind === 256); - if (children.length) { - var candidate = findRightmostChildNodeWithTokens(children, children.length); - return candidate && findRightmostToken(candidate); - } } - function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { - for (var i = exclusiveStartPosition - 1; i >= 0; i--) { - if (nodeHasTokens(children[i])) { - return children[i]; + function makeUniqueName(baseName) { + if (baseName.charCodeAt(baseName.length - 1) !== 95) { + baseName += "_"; + } + var i = 1; + while (true) { + var generatedName = baseName + i; + if (isUniqueName(generatedName)) { + return generatedNameSet[generatedName] = generatedName; } + i++; } } - } - ts.findPrecedingToken = findPrecedingToken; - function isInString(sourceFile, position) { - var previousToken = findPrecedingToken(position, sourceFile); - if (previousToken && previousToken.kind === 9) { - var start = previousToken.getStart(); - var end = previousToken.getEnd(); - if (start < position && position < end) { - return true; - } - if (position === end) { - return !!previousToken.isUnterminated; + function generateNameForModuleOrEnum(node) { + var name = getTextOfNode(node.name); + return isUniqueLocalName(name, node) ? name : makeUniqueName(name); + } + function generateNameForImportOrExportDeclaration(node) { + var expr = ts.getExternalModuleName(node); + var baseName = expr.kind === 9 ? + ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; + return makeUniqueName(baseName); + } + function generateNameForExportDefault() { + return makeUniqueName("default"); + } + function generateNameForClassExpression() { + return makeUniqueName("class"); + } + function generateNameForNode(node) { + switch (node.kind) { + case 70: + return makeUniqueName(getTextOfNode(node)); + case 226: + case 225: + return generateNameForModuleOrEnum(node); + case 231: + case 237: + return generateNameForImportOrExportDeclaration(node); + case 221: + case 222: + case 236: + return generateNameForExportDefault(); + case 193: + return generateNameForClassExpression(); + default: + return makeTempVariableName(0); } } - return false; - } - ts.isInString = isInString; - function isInComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, undefined); - } - ts.isInComment = isInComment; - function isInsideJsxElementOrAttribute(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - if (!token) { - return false; + function generateName(name) { + switch (name.autoGenerateKind) { + case 1: + return makeTempVariableName(0); + case 2: + return makeTempVariableName(268435456); + case 3: + return makeUniqueName(name.text); + } + ts.Debug.fail("Unsupported GeneratedIdentifierKind."); } - if (token.kind === 10) { - return true; + function getNodeForGeneratedName(name) { + var autoGenerateId = name.autoGenerateId; + var node = name; + var original = node.original; + while (original) { + node = original; + if (ts.isIdentifier(node) + && node.autoGenerateKind === 4 + && node.autoGenerateId !== autoGenerateId) { + break; + } + original = node.original; + } + return node; } - if (token.kind === 26 && token.parent.kind === 10) { - return true; + function getGeneratedIdentifier(name) { + if (name.autoGenerateKind === 4) { + var node = getNodeForGeneratedName(name); + var nodeId = ts.getNodeId(node); + return nodeIdToGeneratedName[nodeId] || (nodeIdToGeneratedName[nodeId] = ts.unescapeIdentifier(generateNameForNode(node))); + } + else { + var autoGenerateId = name.autoGenerateId; + return autoGeneratedIdToGeneratedName[autoGenerateId] || (autoGeneratedIdToGeneratedName[autoGenerateId] = ts.unescapeIdentifier(generateName(name))); + } } - if (token.kind === 26 && token.parent.kind === 248) { - return true; + function createDelimiterMap() { + var delimiters = []; + delimiters[0] = ""; + delimiters[16] = ","; + delimiters[4] = " |"; + delimiters[8] = " &"; + return delimiters; } - if (token && token.kind === 17 && token.parent.kind === 248) { - return true; + function getDelimiter(format) { + return delimiters[format & 28]; } - if (token.kind === 26 && token.parent.kind === 245) { - return true; + function createBracketsMap() { + var brackets = []; + brackets[512] = ["{", "}"]; + brackets[1024] = ["(", ")"]; + brackets[2048] = ["<", ">"]; + brackets[4096] = ["[", "]"]; + return brackets; } - return false; - } - ts.isInsideJsxElementOrAttribute = isInsideJsxElementOrAttribute; - function isInTemplateString(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - return ts.isTemplateLiteralKind(token.kind) && position > token.getStart(sourceFile); - } - ts.isInTemplateString = isInTemplateString; - function isInCommentHelper(sourceFile, position, predicate) { - var token = getTokenAtPosition(sourceFile, position); - if (token && position <= token.getStart(sourceFile)) { - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return predicate ? - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 ? position <= c.end : position < c.end) && - predicate(c); }) : - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 ? position <= c.end : position < c.end); }); + function getOpeningBracket(format) { + return brackets[format & 7680][0]; } - return false; - } - ts.isInCommentHelper = isInCommentHelper; - function hasDocComment(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return ts.forEach(commentRanges, jsDocPrefix); - function jsDocPrefix(c) { - var text = sourceFile.text; - return text.length >= c.pos + 3 && text[c.pos] === "/" && text[c.pos + 1] === "*" && text[c.pos + 2] === "*"; + function getClosingBracket(format) { + return brackets[format & 7680][1]; } } - ts.hasDocComment = hasDocComment; - function getJsDocTagAtPosition(sourceFile, position) { - var node = ts.getTokenAtPosition(sourceFile, position); - if (isToken(node)) { - switch (node.kind) { - case 103: - case 109: - case 75: - node = node.parent === undefined ? undefined : node.parent.parent; - break; - default: - node = node.parent; - break; + ts.emitFiles = emitFiles; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.version = "2.1.0"; + var emptyArray = []; + function findConfigFile(searchPath, fileExists, configName) { + if (configName === void 0) { configName = "tsconfig.json"; } + while (true) { + var fileName = ts.combinePaths(searchPath, configName); + if (fileExists(fileName)) { + return fileName; } - } - if (node) { - if (node.jsDocComments) { - for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - if (jsDocComment.tags) { - for (var _b = 0, _c = jsDocComment.tags; _b < _c.length; _b++) { - var tag = _c[_b]; - if (tag.pos <= position && position <= tag.end) { - return tag; - } - } - } - } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; } + searchPath = parentPath; } return undefined; } - ts.getJsDocTagAtPosition = getJsDocTagAtPosition; - function nodeHasTokens(n) { - return n.getWidth() !== 0; - } - function getNodeModifiers(node) { - var flags = ts.getCombinedModifierFlags(node); - var result = []; - if (flags & 8) - result.push(ts.ScriptElementKindModifier.privateMemberModifier); - if (flags & 16) - result.push(ts.ScriptElementKindModifier.protectedMemberModifier); - if (flags & 4) - result.push(ts.ScriptElementKindModifier.publicMemberModifier); - if (flags & 32) - result.push(ts.ScriptElementKindModifier.staticModifier); - if (flags & 128) - result.push(ts.ScriptElementKindModifier.abstractModifier); - if (flags & 1) - result.push(ts.ScriptElementKindModifier.exportedModifier); - if (ts.isInAmbientContext(node)) - result.push(ts.ScriptElementKindModifier.ambientModifier); - return result.length > 0 ? result.join(",") : ts.ScriptElementKindModifier.none; + ts.findConfigFile = findConfigFile; + function resolveTripleslashReference(moduleName, containingFile) { + var basePath = ts.getDirectoryPath(containingFile); + var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); + return ts.normalizePath(referencedFileName); } - ts.getNodeModifiers = getNodeModifiers; - function getTypeArgumentOrTypeParameterList(node) { - if (node.kind === 156 || node.kind === 175) { - return node.typeArguments; - } - if (ts.isFunctionLike(node) || node.kind === 222 || node.kind === 223) { - return node.typeParameters; + ts.resolveTripleslashReference = resolveTripleslashReference; + function computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName) { + var commonPathComponents; + var failed = ts.forEach(fileNames, function (sourceFile) { + var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile, currentDirectory); + sourcePathComponents.pop(); + if (!commonPathComponents) { + commonPathComponents = sourcePathComponents; + return; + } + for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { + if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { + if (i === 0) { + return true; + } + commonPathComponents.length = i; + break; + } + } + if (sourcePathComponents.length < commonPathComponents.length) { + commonPathComponents.length = sourcePathComponents.length; + } + }); + if (failed) { + return ""; } - return undefined; - } - ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; - function isToken(n) { - return n.kind >= 0 && n.kind <= 139; - } - ts.isToken = isToken; - function isWord(kind) { - return kind === 70 || ts.isKeyword(kind); - } - ts.isWord = isWord; - function isPropertyName(kind) { - return kind === 9 || kind === 8 || isWord(kind); - } - function isComment(kind) { - return kind === 2 || kind === 3; - } - ts.isComment = isComment; - function isStringOrRegularExpressionOrTemplateLiteral(kind) { - if (kind === 9 - || kind === 11 - || ts.isTemplateLiteralKind(kind)) { - return true; + if (!commonPathComponents) { + return currentDirectory; } - return false; - } - ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; - function isPunctuation(kind) { - return 16 <= kind && kind <= 69; - } - ts.isPunctuation = isPunctuation; - function isInsideTemplateLiteral(node, position) { - return ts.isTemplateLiteralKind(node.kind) - && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); + return ts.getNormalizedPathFromPathComponents(commonPathComponents); } - ts.isInsideTemplateLiteral = isInsideTemplateLiteral; - function isAccessibilityModifier(kind) { - switch (kind) { - case 113: - case 111: - case 112: - return true; + ts.computeCommonSourceDirectoryOfFilenames = computeCommonSourceDirectoryOfFilenames; + function createCompilerHost(options, setParentNodes) { + var existingDirectories = ts.createMap(); + function getCanonicalFileName(fileName) { + return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); } - return false; - } - ts.isAccessibilityModifier = isAccessibilityModifier; - function compareDataObjects(dst, src) { - for (var e in dst) { - if (typeof dst[e] === "object") { - if (!compareDataObjects(dst[e], src[e])) { - return false; - } + var unsupportedFileEncodingErrorCode = -2147024809; + function getSourceFile(fileName, languageVersion, onError) { + var text; + try { + ts.performance.mark("beforeIORead"); + text = ts.sys.readFile(fileName, options.charset); + ts.performance.mark("afterIORead"); + ts.performance.measure("I/O Read", "beforeIORead", "afterIORead"); } - else if (typeof dst[e] !== "function") { - if (dst[e] !== src[e]) { - return false; + catch (e) { + if (onError) { + onError(e.number === unsupportedFileEncodingErrorCode + ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText + : e.message); } + text = ""; } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; } - return true; - } - ts.compareDataObjects = compareDataObjects; - function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { - if (node.kind === 171 || - node.kind === 172) { - if (node.parent.kind === 188 && - node.parent.left === node && - node.parent.operatorToken.kind === 57) { + function directoryExists(directoryPath) { + if (directoryPath in existingDirectories) { return true; } - if (node.parent.kind === 209 && - node.parent.initializer === node) { + if (ts.sys.directoryExists(directoryPath)) { + existingDirectories[directoryPath] = true; return true; } - if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 253 ? node.parent.parent : node.parent)) { - return true; + return false; + } + function ensureDirectoriesExist(directoryPath) { + if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { + var parentDirectory = ts.getDirectoryPath(directoryPath); + ensureDirectoriesExist(parentDirectory); + ts.sys.createDirectory(directoryPath); } } - return false; - } - ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; - function hasTrailingDirectorySeparator(path) { - var lastCharacter = path.charAt(path.length - 1); - return lastCharacter === "/" || lastCharacter === "\\"; - } - ts.hasTrailingDirectorySeparator = hasTrailingDirectorySeparator; - function isInReferenceComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, isReferenceComment); - function isReferenceComment(c) { - var commentText = sourceFile.text.substring(c.pos, c.end); - return tripleSlashDirectivePrefixRegex.test(commentText); + var outputFingerprints; + function writeFileIfUpdated(fileName, data, writeByteOrderMark) { + if (!outputFingerprints) { + outputFingerprints = ts.createMap(); + } + var hash = ts.sys.createHash(data); + var mtimeBefore = ts.sys.getModifiedTime(fileName); + if (mtimeBefore && fileName in outputFingerprints) { + var fingerprint = outputFingerprints[fileName]; + if (fingerprint.byteOrderMark === writeByteOrderMark && + fingerprint.hash === hash && + fingerprint.mtime.getTime() === mtimeBefore.getTime()) { + return; + } + } + ts.sys.writeFile(fileName, data, writeByteOrderMark); + var mtimeAfter = ts.sys.getModifiedTime(fileName); + outputFingerprints[fileName] = { + hash: hash, + byteOrderMark: writeByteOrderMark, + mtime: mtimeAfter + }; + } + function writeFile(fileName, data, writeByteOrderMark, onError) { + try { + ts.performance.mark("beforeIOWrite"); + ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); + if (ts.isWatchSet(options) && ts.sys.createHash && ts.sys.getModifiedTime) { + writeFileIfUpdated(fileName, data, writeByteOrderMark); + } + else { + ts.sys.writeFile(fileName, data, writeByteOrderMark); + } + ts.performance.mark("afterIOWrite"); + ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite"); + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + function getDefaultLibLocation() { + return ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())); } + var newLine = ts.getNewLineCharacter(options); + var realpath = ts.sys.realpath && (function (path) { return ts.sys.realpath(path); }); + return { + getSourceFile: getSourceFile, + getDefaultLibLocation: getDefaultLibLocation, + getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, + getCanonicalFileName: getCanonicalFileName, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, + readFile: function (fileName) { return ts.sys.readFile(fileName); }, + trace: function (s) { return ts.sys.write(s + newLine); }, + directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); }, + getEnvironmentVariable: function (name) { return ts.sys.getEnvironmentVariable ? ts.sys.getEnvironmentVariable(name) : ""; }, + getDirectories: function (path) { return ts.sys.getDirectories(path); }, + realpath: realpath + }; } - ts.isInReferenceComment = isInReferenceComment; - function isInNonReferenceComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, isNonReferenceComment); - function isNonReferenceComment(c) { - var commentText = sourceFile.text.substring(c.pos, c.end); - return !tripleSlashDirectivePrefixRegex.test(commentText); + ts.createCompilerHost = createCompilerHost; + function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (program.getCompilerOptions().declaration) { + diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); } + return ts.sortAndDeduplicateDiagnostics(diagnostics); } - ts.isInNonReferenceComment = isInNonReferenceComment; -})(ts || (ts = {})); -(function (ts) { - function isFirstDeclarationOfSymbolParameter(symbol) { - return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 143; + ts.getPreEmitDiagnostics = getPreEmitDiagnostics; + function formatDiagnostics(diagnostics, host) { + var output = ""; + for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) { + var diagnostic = diagnostics_1[_i]; + if (diagnostic.file) { + var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; + var fileName = diagnostic.file.fileName; + var relativeFileName = ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }); + output += relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): "; + } + var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); + output += category + " TS" + diagnostic.code + ": " + flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()) + host.getNewLine(); + } + return output; } - ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; - var displayPartWriter = getDisplayPartWriter(); - function getDisplayPartWriter() { - var displayParts; - var lineStart; - var indent; - resetWriter(); - return { - displayParts: function () { return displayParts; }, - writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, - writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, - writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, - writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, - writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, - writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, - writeSymbol: writeSymbol, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - clear: resetWriter, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - function writeIndent() { - if (lineStart) { - var indentString = ts.getIndentString(indent); - if (indentString) { - displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); + ts.formatDiagnostics = formatDiagnostics; + function flattenDiagnosticMessageText(messageText, newLine) { + if (typeof messageText === "string") { + return messageText; + } + else { + var diagnosticChain = messageText; + var result = ""; + var indent = 0; + while (diagnosticChain) { + if (indent) { + result += newLine; + for (var i = 0; i < indent; i++) { + result += " "; + } } - lineStart = false; + result += diagnosticChain.messageText; + indent++; + diagnosticChain = diagnosticChain.next; } + return result; } - function writeKind(text, kind) { - writeIndent(); - displayParts.push(displayPart(text, kind)); + } + ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; + function loadWithLocalCache(names, containingFile, loader) { + if (names.length === 0) { + return []; } - function writeSymbol(text, symbol) { - writeIndent(); - displayParts.push(symbolPart(text, symbol)); + var resolutions = []; + var cache = ts.createMap(); + for (var _i = 0, names_2 = names; _i < names_2.length; _i++) { + var name_46 = names_2[_i]; + var result = name_46 in cache + ? cache[name_46] + : cache[name_46] = loader(name_46, containingFile); + resolutions.push(result); } - function writeLine() { - displayParts.push(lineBreakPart()); - lineStart = true; + return resolutions; + } + function createProgram(rootNames, options, host, oldProgram) { + var program; + var files = []; + var commonSourceDirectory; + var diagnosticsProducingTypeChecker; + var noDiagnosticsTypeChecker; + var classifiableNames; + var resolvedTypeReferenceDirectives = ts.createMap(); + var fileProcessingDiagnostics = ts.createDiagnosticCollection(); + var maxNodeModulesJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0; + var currentNodeModulesDepth = 0; + var modulesWithElidedImports = ts.createMap(); + var sourceFilesFoundSearchingNodeModules = ts.createMap(); + ts.performance.mark("beforeProgram"); + host = host || createCompilerHost(options); + var skipDefaultLib = options.noLib; + var programDiagnostics = ts.createDiagnosticCollection(); + var currentDirectory = host.getCurrentDirectory(); + var supportedExtensions = ts.getSupportedExtensions(options); + var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); + var resolveModuleNamesWorker; + if (host.resolveModuleNames) { + resolveModuleNamesWorker = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; } - function resetWriter() { - displayParts = []; - lineStart = true; - indent = 0; + else { + var loader_1 = function (moduleName, containingFile) { return ts.resolveModuleName(moduleName, containingFile, options, host).resolvedModule; }; + resolveModuleNamesWorker = function (moduleNames, containingFile) { return loadWithLocalCache(moduleNames, containingFile, loader_1); }; } - } - function symbolPart(text, symbol) { - return displayPart(text, displayPartKind(symbol)); - function displayPartKind(symbol) { - var flags = symbol.flags; - if (flags & 3) { - return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; - } - else if (flags & 4) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 32768) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 65536) { - return ts.SymbolDisplayPartKind.propertyName; + var resolveTypeReferenceDirectiveNamesWorker; + if (host.resolveTypeReferenceDirectives) { + resolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile) { return host.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile); }; + } + else { + var loader_2 = function (typesRef, containingFile) { return ts.resolveTypeReferenceDirective(typesRef, containingFile, options, host).resolvedTypeReferenceDirective; }; + resolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile) { return loadWithLocalCache(typeReferenceDirectiveNames, containingFile, loader_2); }; + } + var filesByName = ts.createFileMap(); + var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; + if (!tryReuseStructureFromOldProgram()) { + ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); + var typeReferences = ts.getAutomaticTypeDirectiveNames(options, host); + if (typeReferences.length) { + var containingFilename = ts.combinePaths(host.getCurrentDirectory(), "__inferred type names__.ts"); + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename); + for (var i = 0; i < typeReferences.length; i++) { + processTypeReferenceDirective(typeReferences[i], resolutions[i]); + } } - else if (flags & 8) { - return ts.SymbolDisplayPartKind.enumMemberName; + if (!skipDefaultLib) { + if (!options.lib) { + processRootFile(host.getDefaultLibFileName(options), true); + } + else { + var libDirectory_1 = host.getDefaultLibLocation ? host.getDefaultLibLocation() : ts.getDirectoryPath(host.getDefaultLibFileName(options)); + ts.forEach(options.lib, function (libFileName) { + processRootFile(ts.combinePaths(libDirectory_1, libFileName), true); + }); + } } - else if (flags & 16) { - return ts.SymbolDisplayPartKind.functionName; + } + oldProgram = undefined; + program = { + getRootFileNames: function () { return rootNames; }, + getSourceFile: getSourceFile, + getSourceFileByPath: getSourceFileByPath, + getSourceFiles: function () { return files; }, + getCompilerOptions: function () { return options; }, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getOptionsDiagnostics: getOptionsDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getDeclarationDiagnostics: getDeclarationDiagnostics, + getTypeChecker: getTypeChecker, + getClassifiableNames: getClassifiableNames, + getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, + getCommonSourceDirectory: getCommonSourceDirectory, + emit: emit, + getCurrentDirectory: function () { return currentDirectory; }, + getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, + getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, + getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, + getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, + getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; }, + getResolvedTypeReferenceDirectives: function () { return resolvedTypeReferenceDirectives; }, + dropDiagnosticsProducingTypeChecker: dropDiagnosticsProducingTypeChecker + }; + verifyCompilerOptions(); + ts.performance.mark("afterProgram"); + ts.performance.measure("Program", "beforeProgram", "afterProgram"); + return program; + function getCommonSourceDirectory() { + if (typeof commonSourceDirectory === "undefined") { + if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { + commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + } + else { + commonSourceDirectory = computeCommonSourceDirectory(files); + } + if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { + commonSourceDirectory += ts.directorySeparator; + } } - else if (flags & 32) { - return ts.SymbolDisplayPartKind.className; + return commonSourceDirectory; + } + function getClassifiableNames() { + if (!classifiableNames) { + getTypeChecker(); + classifiableNames = ts.createMap(); + for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { + var sourceFile = files_2[_i]; + ts.copyProperties(sourceFile.classifiableNames, classifiableNames); + } } - else if (flags & 64) { - return ts.SymbolDisplayPartKind.interfaceName; + return classifiableNames; + } + function tryReuseStructureFromOldProgram() { + if (!oldProgram) { + return false; } - else if (flags & 384) { - return ts.SymbolDisplayPartKind.enumName; + var oldOptions = oldProgram.getCompilerOptions(); + if (ts.changesAffectModuleResolution(oldOptions, options)) { + return false; } - else if (flags & 1536) { - return ts.SymbolDisplayPartKind.moduleName; + ts.Debug.assert(!oldProgram.structureIsReused); + var oldRootNames = oldProgram.getRootFileNames(); + if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { + return false; } - else if (flags & 8192) { - return ts.SymbolDisplayPartKind.methodName; + if (!ts.arrayIsEqualTo(options.types, oldOptions.types)) { + return false; } - else if (flags & 262144) { - return ts.SymbolDisplayPartKind.typeParameterName; + var newSourceFiles = []; + var filePaths = []; + var modifiedSourceFiles = []; + for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { + var oldSourceFile = _a[_i]; + var newSourceFile = host.getSourceFileByPath + ? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.path, options.target) + : host.getSourceFile(oldSourceFile.fileName, options.target); + if (!newSourceFile) { + return false; + } + newSourceFile.path = oldSourceFile.path; + filePaths.push(newSourceFile.path); + if (oldSourceFile !== newSourceFile) { + if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { + return false; + } + collectExternalModuleReferences(newSourceFile); + if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) { + return false; + } + var newSourceFilePath = ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory); + if (resolveModuleNamesWorker) { + var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, newSourceFilePath); + var resolutionsChanged = ts.hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, ts.moduleResolutionIsEqualTo); + if (resolutionsChanged) { + return false; + } + } + if (resolveTypeReferenceDirectiveNamesWorker) { + var typesReferenceDirectives = ts.map(newSourceFile.typeReferenceDirectives, function (x) { return x.fileName; }); + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFilePath); + var resolutionsChanged = ts.hasChangesInResolutions(typesReferenceDirectives, resolutions, oldSourceFile.resolvedTypeReferenceDirectiveNames, ts.typeDirectiveIsEqualTo); + if (resolutionsChanged) { + return false; + } + } + newSourceFile.resolvedModules = oldSourceFile.resolvedModules; + newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames; + modifiedSourceFiles.push(newSourceFile); + } + else { + newSourceFile = oldSourceFile; + } + newSourceFiles.push(newSourceFile); } - else if (flags & 524288) { - return ts.SymbolDisplayPartKind.aliasName; + for (var i = 0, len = newSourceFiles.length; i < len; i++) { + filesByName.set(filePaths[i], newSourceFiles[i]); } - else if (flags & 8388608) { - return ts.SymbolDisplayPartKind.aliasName; + files = newSourceFiles; + fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); + for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { + var modifiedFile = modifiedSourceFiles_1[_b]; + fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); } - return ts.SymbolDisplayPartKind.text; - } - } - ts.symbolPart = symbolPart; - function displayPart(text, kind) { - return { - text: text, - kind: ts.SymbolDisplayPartKind[kind] - }; - } - ts.displayPart = displayPart; - function spacePart() { - return displayPart(" ", ts.SymbolDisplayPartKind.space); - } - ts.spacePart = spacePart; - function keywordPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); - } - ts.keywordPart = keywordPart; - function punctuationPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); - } - ts.punctuationPart = punctuationPart; - function operatorPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); - } - ts.operatorPart = operatorPart; - function textOrKeywordPart(text) { - var kind = ts.stringToToken(text); - return kind === undefined - ? textPart(text) - : keywordPart(kind); - } - ts.textOrKeywordPart = textOrKeywordPart; - function textPart(text) { - return displayPart(text, ts.SymbolDisplayPartKind.text); - } - ts.textPart = textPart; - var carriageReturnLineFeed = "\r\n"; - function getNewLineOrDefaultFromHost(host) { - return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; - } - ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; - function lineBreakPart() { - return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); - } - ts.lineBreakPart = lineBreakPart; - function mapToDisplayParts(writeDisplayParts) { - writeDisplayParts(displayPartWriter); - var result = displayPartWriter.displayParts(); - displayPartWriter.clear(); - return result; - } - ts.mapToDisplayParts = mapToDisplayParts; - function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - }); - } - ts.typeToDisplayParts = typeToDisplayParts; - function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { - return mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); - }); - } - ts.symbolToDisplayParts = symbolToDisplayParts; - function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); - }); - } - ts.signatureToDisplayParts = signatureToDisplayParts; - function getDeclaredName(typeChecker, symbol, location) { - if (isImportOrExportSpecifierName(location)) { - return location.getText(); + resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives(); + oldProgram.structureIsReused = true; + return true; } - else if (ts.isStringOrNumericLiteral(location.kind) && - location.parent.kind === 141) { - return location.text; + function getEmitHost(writeFileCallback) { + return { + getCanonicalFileName: getCanonicalFileName, + getCommonSourceDirectory: program.getCommonSourceDirectory, + getCompilerOptions: program.getCompilerOptions, + getCurrentDirectory: function () { return currentDirectory; }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: program.getSourceFile, + getSourceFileByPath: program.getSourceFileByPath, + getSourceFiles: program.getSourceFiles, + isSourceFileFromExternalLibrary: function (file) { return !!sourceFilesFoundSearchingNodeModules[file.path]; }, + writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError, sourceFiles) { return host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles); }), + isEmitBlocked: isEmitBlocked, + }; } - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); - return name; - } - ts.getDeclaredName = getDeclaredName; - function isImportOrExportSpecifierName(location) { - return location.parent && - (location.parent.kind === 235 || location.parent.kind === 239) && - location.parent.propertyName === location; - } - ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; - function stripQuotes(name) { - var length = name.length; - if (length >= 2 && - name.charCodeAt(0) === name.charCodeAt(length - 1) && - (name.charCodeAt(0) === 34 || name.charCodeAt(0) === 39)) { - return name.substring(1, length - 1); + function getDiagnosticsProducingTypeChecker() { + return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); } - ; - return name; - } - ts.stripQuotes = stripQuotes; - function scriptKindIs(fileName, host) { - var scriptKinds = []; - for (var _i = 2; _i < arguments.length; _i++) { - scriptKinds[_i - 2] = arguments[_i]; + function dropDiagnosticsProducingTypeChecker() { + diagnosticsProducingTypeChecker = undefined; } - var scriptKind = getScriptKind(fileName, host); - return ts.forEach(scriptKinds, function (k) { return k === scriptKind; }); - } - ts.scriptKindIs = scriptKindIs; - function getScriptKind(fileName, host) { - var scriptKind; - if (host && host.getScriptKind) { - scriptKind = host.getScriptKind(fileName); + function getTypeChecker() { + return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); } - if (!scriptKind) { - scriptKind = ts.getScriptKindFromFileName(fileName); + function emit(sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { + return runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles); }); } - return ts.ensureScriptKind(fileName, scriptKind); - } - ts.getScriptKind = getScriptKind; - function sanitizeConfigFile(configFileName, content) { - var options = { - fileName: "config.js", - compilerOptions: { - target: 2, - removeComments: true - }, - reportDiagnostics: true - }; - var _a = ts.transpileModule("(" + content + ")", options), outputText = _a.outputText, diagnostics = _a.diagnostics; - var trimmedOutput = outputText.trim(); - for (var _i = 0, diagnostics_2 = diagnostics; _i < diagnostics_2.length; _i++) { - var diagnostic = diagnostics_2[_i]; - diagnostic.start = diagnostic.start - 1; + function isEmitBlocked(emitFileName) { + return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); } - var _b = ts.parseConfigFileTextToJson(configFileName, trimmedOutput.substring(1, trimmedOutput.length - 2), false), config = _b.config, error = _b.error; - return { - configJsonObject: config || {}, - diagnostics: error ? ts.concatenate(diagnostics, [error]) : diagnostics - }; - } - ts.sanitizeConfigFile = sanitizeConfigFile; -})(ts || (ts = {})); -var ts; -(function (ts) { - var BreakpointResolver; - (function (BreakpointResolver) { - function spanInSourceFileAtLocation(sourceFile, position) { - if (sourceFile.isDeclarationFile) { - return undefined; + function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) { + var declarationDiagnostics = []; + if (options.noEmit) { + return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true }; } - var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); - var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { - tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); - if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { - return undefined; + if (options.noEmitOnError) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { + declarationDiagnostics = program.getDeclarationDiagnostics(undefined, cancellationToken); + } + if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { + return { + diagnostics: ts.concatenate(diagnostics, declarationDiagnostics), + sourceMaps: undefined, + emittedFiles: undefined, + emitSkipped: true + }; } } - if (ts.isInAmbientContext(tokenAtLocation)) { - return undefined; - } - return spanInNode(tokenAtLocation); - function textSpan(startNode, endNode) { - var start = startNode.decorators ? - ts.skipTrivia(sourceFile.text, startNode.decorators.end) : - startNode.getStart(sourceFile); - return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); - } - function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { - return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); + var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); + ts.performance.mark("beforeEmit"); + var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile, emitOnlyDtsFiles); + ts.performance.mark("afterEmit"); + ts.performance.measure("Emit", "beforeEmit", "afterEmit"); + return emitResult; + } + function getSourceFile(fileName) { + return getSourceFileByPath(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getSourceFileByPath(path) { + return filesByName.get(path); + } + function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { + if (sourceFile) { + return getDiagnostics(sourceFile, cancellationToken); } - function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { - if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { - return spanInNode(node); + var allDiagnostics = []; + ts.forEach(program.getSourceFiles(), function (sourceFile) { + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); } - return spanInNode(otherwiseOnNode); + ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); + }); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getSyntacticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + } + function getSemanticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + } + function getDeclarationDiagnostics(sourceFile, cancellationToken) { + var options = program.getCompilerOptions(); + if (!sourceFile || options.out || options.outFile) { + return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); } - function spanInNodeArray(nodeArray) { - return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); + else { + return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); } - function spanInPreviousNode(node) { - return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); + } + function getSyntacticDiagnosticsForFile(sourceFile) { + return sourceFile.parseDiagnostics; + } + function runWithCancellationToken(func) { + try { + return func(); } - function spanInNextNode(node) { - return spanInNode(ts.findNextToken(node, node.parent)); + catch (e) { + if (e instanceof ts.OperationCanceledException) { + noDiagnosticsTypeChecker = undefined; + diagnosticsProducingTypeChecker = undefined; + } + throw e; } - function spanInNode(node) { - if (node) { + } + function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var typeChecker = getDiagnosticsProducingTypeChecker(); + ts.Debug.assert(!!sourceFile.bindDiagnostics); + var bindDiagnostics = sourceFile.bindDiagnostics; + var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? + getJavaScriptSemanticDiagnosticsForFile(sourceFile) : + typeChecker.getDiagnostics(sourceFile, cancellationToken); + var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); + var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); + return bindDiagnostics.concat(checkDiagnostics, fileProcessingDiagnosticsInFile, programDiagnosticsInFile); + }); + } + function getJavaScriptSemanticDiagnosticsForFile(sourceFile) { + return runWithCancellationToken(function () { + var diagnostics = []; + walk(sourceFile); + return diagnostics; + function walk(node) { + if (!node) { + return false; + } switch (node.kind) { - case 201: - return spanInVariableDeclaration(node.declarationList.declarations[0]); - case 219: - case 146: - case 145: - return spanInVariableDeclaration(node); - case 143: - return spanInParameterDeclaration(node); - case 221: + case 230: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); + return true; + case 236: + if (node.isExportEquals) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 222: + var classDeclaration = node; + if (checkModifiers(classDeclaration.modifiers) || + checkTypeParameters(classDeclaration.typeParameters)) { + return true; + } + break; + case 251: + var heritageClause = node; + if (heritageClause.token === 107) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 223: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 226: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 224: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); + return true; case 148: case 147: + case 149: case 150: case 151: - case 149: case 180: + case 221: case 181: - return spanInFunctionDeclaration(node); - case 200: - if (ts.isFunctionBlock(node)) { - return spanInFunctionBlock(node); + case 221: + var functionDeclaration = node; + if (checkModifiers(functionDeclaration.modifiers) || + checkTypeParameters(functionDeclaration.typeParameters) || + checkTypeAnnotation(functionDeclaration.type)) { + return true; } - case 227: - return spanInBlock(node); - case 252: - return spanInBlock(node.block); - case 203: - return textSpan(node.expression); - case 212: - return textSpan(node.getChildAt(0), node.expression); - case 206: - return textSpanEndingAtNextToken(node, node.expression); - case 205: - return spanInNode(node.statement); - case 218: - return textSpan(node.getChildAt(0)); - case 204: - return textSpanEndingAtNextToken(node, node.expression); - case 215: - return spanInNode(node.statement); - case 211: - case 210: - return textSpan(node.getChildAt(0), node.label); - case 207: - return spanInForStatement(node); - case 208: - return textSpanEndingAtNextToken(node, node.expression); - case 209: - return spanInInitializerOfForLike(node); - case 214: - return textSpanEndingAtNextToken(node, node.expression); - case 249: - case 250: - return spanInNode(node.statements[0]); - case 217: - return spanInBlock(node.tryBlock); - case 216: - return textSpan(node, node.expression); - case 236: - return textSpan(node, node.expression); - case 230: - return textSpan(node, node.moduleReference); - case 231: - return textSpan(node, node.moduleSpecifier); - case 237: - return textSpan(node, node.moduleSpecifier); - case 226: - if (ts.getModuleInstanceState(node) !== 1) { - return undefined; + break; + case 201: + var variableStatement = node; + if (checkModifiers(variableStatement.modifiers)) { + return true; } - case 222: - case 225: - case 255: - case 170: - return textSpan(node); - case 213: - return spanInNode(node.statement); - case 144: - return spanInNodeArray(node.parent.decorators); - case 168: - case 169: - return spanInBindingPattern(node); - case 223: - case 224: - return undefined; - case 24: - case 1: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); - case 25: - return spanInPreviousNode(node); - case 16: - return spanInOpenBraceToken(node); - case 17: - return spanInCloseBraceToken(node); - case 21: - return spanInCloseBracketToken(node); - case 18: - return spanInOpenParenToken(node); - case 19: - return spanInCloseParenToken(node); - case 55: - return spanInColonToken(node); - case 28: - case 26: - return spanInGreaterThanOrLessThanToken(node); - case 105: - return spanInWhileKeyword(node); - case 81: - case 73: - case 86: - return spanInNextNode(node); - case 139: - return spanInOfKeyword(node); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); + break; + case 219: + var variableDeclaration = node; + if (checkTypeAnnotation(variableDeclaration.type)) { + return true; } - if ((node.kind === 70 || - node.kind == 192 || - node.kind === 253 || - node.kind === 254) && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - return textSpan(node); + break; + case 175: + case 176: + var expression = node; + if (expression.typeArguments && expression.typeArguments.length > 0) { + var start = expression.typeArguments.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start, expression.typeArguments.end - start, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); + return true; } - if (node.kind === 188) { - var binaryExpression = node; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); - } - if (binaryExpression.operatorToken.kind === 57 && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { - return textSpan(node); - } - if (binaryExpression.operatorToken.kind === 25) { - return spanInNode(binaryExpression.left); - } + break; + case 143: + var parameter = node; + if (parameter.modifiers) { + var start = parameter.modifiers.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start, parameter.modifiers.end - start, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); + return true; } - if (ts.isPartOfExpression(node)) { - switch (node.parent.kind) { - case 205: - return spanInPreviousNode(node); - case 144: - return spanInNode(node.parent); - case 207: - case 209: - return textSpan(node); - case 188: - if (node.parent.operatorToken.kind === 25) { - return textSpan(node); - } - break; - case 181: - if (node.parent.body === node) { - return textSpan(node); - } - break; + if (parameter.questionToken) { + diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); + return true; + } + if (parameter.type) { + diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 146: + var propertyDeclaration = node; + if (propertyDeclaration.modifiers) { + for (var _i = 0, _a = propertyDeclaration.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + if (modifier.kind !== 114) { + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + } } } - if (node.parent.kind === 253 && - node.parent.name === node && - !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { - return spanInNode(node.parent.initializer); + if (checkTypeAnnotation(node.type)) { + return true; } - if (node.parent.kind === 178 && node.parent.type === node) { - return spanInNextNode(node.parent.type); + break; + case 225: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 178: + var typeAssertionExpression = node; + diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); + return true; + case 144: + if (!options.experimentalDecorators) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); } - if (ts.isFunctionLike(node.parent) && node.parent.type === node) { - return spanInPreviousNode(node); + return true; + } + return ts.forEachChild(node, walk); + } + function checkTypeParameters(typeParameters) { + if (typeParameters) { + var start = typeParameters.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start, typeParameters.end - start, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkTypeAnnotation(type) { + if (type) { + diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkModifiers(modifiers) { + if (modifiers) { + for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { + var modifier = modifiers_1[_i]; + switch (modifier.kind) { + case 113: + case 111: + case 112: + case 129: + case 123: + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + case 114: + case 83: + case 75: + case 78: + case 116: } - if ((node.parent.kind === 219 || - node.parent.kind === 143)) { - var paramOrVarDecl = node.parent; - if (paramOrVarDecl.initializer === node || - paramOrVarDecl.type === node || - ts.isAssignmentOperator(node.kind)) { - return spanInPreviousNode(node); - } + } + } + return false; + } + }); + } + function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); + return ts.getDeclarationDiagnostics(getEmitHost(ts.noop), resolver, sourceFile); + }); + } + function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { + return ts.isDeclarationFile(sourceFile) ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken); + } + function getOptionsDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); + ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getGlobalDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function hasExtension(fileName) { + return ts.getBaseFileName(fileName).indexOf(".") >= 0; + } + function processRootFile(fileName, isDefaultLib) { + processSourceFile(ts.normalizePath(fileName), isDefaultLib); + } + function fileReferenceIsEqualTo(a, b) { + return a.fileName === b.fileName; + } + function moduleNameIsEqualTo(a, b) { + return a.text === b.text; + } + function getTextOfLiteral(literal) { + return literal.text; + } + function collectExternalModuleReferences(file) { + if (file.imports) { + return; + } + var isJavaScriptFile = ts.isSourceFileJavaScript(file); + var isExternalModuleFile = ts.isExternalModule(file); + var imports; + var moduleAugmentations; + if (options.importHelpers + && (options.isolatedModules || isExternalModuleFile) + && !file.isDeclarationFile) { + var externalHelpersModuleReference = ts.createNode(9); + externalHelpersModuleReference.text = ts.externalHelpersModuleNameText; + externalHelpersModuleReference.parent = file; + imports = [externalHelpersModuleReference]; + } + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var node = _a[_i]; + collectModuleReferences(node, false); + if (isJavaScriptFile) { + collectRequireCalls(node); + } + } + file.imports = imports || emptyArray; + file.moduleAugmentations = moduleAugmentations || emptyArray; + return; + function collectModuleReferences(node, inAmbientModule) { + switch (node.kind) { + case 231: + case 230: + case 237: + var moduleNameExpr = ts.getExternalModuleName(node); + if (!moduleNameExpr || moduleNameExpr.kind !== 9) { + break; + } + if (!moduleNameExpr.text) { + break; + } + if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { + (imports || (imports = [])).push(moduleNameExpr); + } + break; + case 226: + if (ts.isAmbientModule(node) && (inAmbientModule || ts.hasModifier(node, 2) || ts.isDeclarationFile(file))) { + var moduleName = node.name; + if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { + (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); } - if (node.parent.kind === 188) { - var binaryExpression = node.parent; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && - (binaryExpression.right === node || - binaryExpression.operatorToken === node)) { - return spanInPreviousNode(node); + else if (!inAmbientModule) { + var body = node.body; + if (body) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + collectModuleReferences(statement, true); + } } } - return spanInNode(node.parent); + } + } + } + function collectRequireCalls(node) { + if (ts.isRequireCall(node, true)) { + (imports || (imports = [])).push(node.arguments[0]); + } + else { + ts.forEachChild(node, collectRequireCalls); + } + } + } + function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { + var diagnosticArgument; + var diagnostic; + if (hasExtension(fileName)) { + if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { + diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; + diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; + } + else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { + diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; + diagnosticArgument = [fileName]; + } + } + else { + var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); + if (!nonTsFile) { + if (options.allowNonTsExtensions) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { + diagnostic = ts.Diagnostics.File_0_not_found; + fileName += ".ts"; + diagnosticArgument = [fileName]; + } + } + } + if (diagnostic) { + if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); + } + } + } + function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + } + function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { + if (filesByName.contains(path)) { + var file_1 = filesByName.get(path); + if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { + reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); + } + if (file_1 && sourceFilesFoundSearchingNodeModules[file_1.path] && currentNodeModulesDepth == 0) { + sourceFilesFoundSearchingNodeModules[file_1.path] = false; + if (!options.noResolve) { + processReferencedFiles(file_1, isDefaultLib); + processTypeReferenceDirectives(file_1); + } + modulesWithElidedImports[file_1.path] = false; + processImportedModules(file_1); + } + else if (file_1 && modulesWithElidedImports[file_1.path]) { + if (currentNodeModulesDepth < maxNodeModulesJsDepth) { + modulesWithElidedImports[file_1.path] = false; + processImportedModules(file_1); + } + } + return file_1; + } + var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + }); + filesByName.set(path, file); + if (file) { + sourceFilesFoundSearchingNodeModules[path] = (currentNodeModulesDepth > 0); + file.path = path; + if (host.useCaseSensitiveFileNames()) { + var existingFile = filesByNameIgnoreCase.get(path); + if (existingFile) { + reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); + } + else { + filesByNameIgnoreCase.set(path, file); } } - function textSpanFromVariableDeclaration(variableDeclaration) { - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] === variableDeclaration) { - return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); + skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; + if (!options.noResolve) { + processReferencedFiles(file, isDefaultLib); + processTypeReferenceDirectives(file); + } + processImportedModules(file); + if (isDefaultLib) { + files.unshift(file); + } + else { + files.push(file); + } + } + return file; + } + function processReferencedFiles(file, isDefaultLib) { + ts.forEach(file.referencedFiles, function (ref) { + var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); + processSourceFile(referencedFileName, isDefaultLib, file, ref.pos, ref.end); + }); + } + function processTypeReferenceDirectives(file) { + var typeDirectives = ts.map(file.typeReferenceDirectives, function (ref) { return ref.fileName.toLocaleLowerCase(); }); + var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file.fileName); + for (var i = 0; i < typeDirectives.length; i++) { + var ref = file.typeReferenceDirectives[i]; + var resolvedTypeReferenceDirective = resolutions[i]; + var fileName = ref.fileName.toLocaleLowerCase(); + ts.setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective); + processTypeReferenceDirective(fileName, resolvedTypeReferenceDirective, file, ref.pos, ref.end); + } + } + function processTypeReferenceDirective(typeReferenceDirective, resolvedTypeReferenceDirective, refFile, refPos, refEnd) { + var previousResolution = resolvedTypeReferenceDirectives[typeReferenceDirective]; + if (previousResolution && previousResolution.primary) { + return; + } + var saveResolution = true; + if (resolvedTypeReferenceDirective) { + if (resolvedTypeReferenceDirective.primary) { + processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); + } + else { + if (previousResolution) { + var otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName); + if (otherFileText !== getSourceFile(previousResolution.resolvedFileName).text) { + fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName)); + } + saveResolution = false; } else { - return textSpan(variableDeclaration); + processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, refFile, refPos, refEnd); } } - function spanInVariableDeclaration(variableDeclaration) { - if (variableDeclaration.parent.parent.kind === 208) { - return spanInNode(variableDeclaration.parent.parent); + } + else { + fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Cannot_find_type_definition_file_for_0, typeReferenceDirective)); + } + if (saveResolution) { + resolvedTypeReferenceDirectives[typeReferenceDirective] = resolvedTypeReferenceDirective; + } + } + function createDiagnostic(refFile, refPos, refEnd, message) { + var args = []; + for (var _i = 4; _i < arguments.length; _i++) { + args[_i - 4] = arguments[_i]; + } + if (refFile === undefined || refPos === undefined || refEnd === undefined) { + return ts.createCompilerDiagnostic.apply(void 0, [message].concat(args)); + } + else { + return ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, message].concat(args)); + } + } + function getCanonicalFileName(fileName) { + return host.getCanonicalFileName(fileName); + } + function processImportedModules(file) { + collectExternalModuleReferences(file); + if (file.imports.length || file.moduleAugmentations.length) { + file.resolvedModules = ts.createMap(); + var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var resolution = resolutions[i]; + ts.setResolvedModule(file, moduleNames[i], resolution); + var isFromNodeModulesSearch = resolution && resolution.isExternalLibraryImport; + var isJsFileFromNodeModules = isFromNodeModulesSearch && ts.hasJavaScriptFileExtension(resolution.resolvedFileName); + if (isFromNodeModulesSearch) { + currentNodeModulesDepth++; } - if (ts.isBindingPattern(variableDeclaration.name)) { - return spanInBindingPattern(variableDeclaration.name); + var elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModulesJsDepth; + var shouldAddFile = resolution && !options.noResolve && i < file.imports.length && !elideImport; + if (elideImport) { + modulesWithElidedImports[file.path] = true; } - if (variableDeclaration.initializer || - ts.hasModifier(variableDeclaration, 1) || - variableDeclaration.parent.parent.kind === 209) { - return textSpanFromVariableDeclaration(variableDeclaration); + else if (shouldAddFile) { + findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); } - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] !== variableDeclaration) { - return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); + if (isFromNodeModulesSearch) { + currentNodeModulesDepth--; } } - function canHaveSpanInParameterDeclaration(parameter) { - return !!parameter.initializer || parameter.dotDotDotToken !== undefined || - ts.hasModifier(parameter, 4 | 8); + } + else { + file.resolvedModules = undefined; + } + return; + } + function computeCommonSourceDirectory(sourceFiles) { + var fileNames = []; + for (var _i = 0, sourceFiles_6 = sourceFiles; _i < sourceFiles_6.length; _i++) { + var file = sourceFiles_6[_i]; + if (!file.isDeclarationFile) { + fileNames.push(file.fileName); } - function spanInParameterDeclaration(parameter) { - if (ts.isBindingPattern(parameter.name)) { - return spanInBindingPattern(parameter.name); + } + return computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName); + } + function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { + var allFilesBelongToPath = true; + if (sourceFiles) { + var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); + for (var _i = 0, sourceFiles_7 = sourceFiles; _i < sourceFiles_7.length; _i++) { + var sourceFile = sourceFiles_7[_i]; + if (!ts.isDeclarationFile(sourceFile)) { + var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); + if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); + allFilesBelongToPath = false; + } } - else if (canHaveSpanInParameterDeclaration(parameter)) { - return textSpan(parameter); + } + } + return allFilesBelongToPath; + } + function verifyCompilerOptions() { + if (options.isolatedModules) { + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); + } + if (options.noEmitOnError) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); + } + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); + } + } + if (options.inlineSourceMap) { + if (options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); + } + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); + } + } + if (options.paths && options.baseUrl === undefined) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option)); + } + if (options.paths) { + for (var key in options.paths) { + if (!ts.hasProperty(options.paths, key)) { + continue; } - else { - var functionDeclaration = parameter.parent; - var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); - if (indexOfParameter) { - return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + if (!ts.hasZeroOrOneAsteriskCharacter(key)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key)); + } + if (ts.isArray(options.paths[key])) { + if (options.paths[key].length === 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key)); } - else { - return spanInNode(functionDeclaration.body); + for (var _i = 0, _a = options.paths[key]; _i < _a.length; _i++) { + var subst = _a[_i]; + var typeOfSubst = typeof subst; + if (typeOfSubst === "string") { + if (!ts.hasZeroOrOneAsteriskCharacter(subst)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key)); + } + } + else { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst)); + } } } + else { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key)); + } } - function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { - return ts.hasModifier(functionDeclaration, 1) || - (functionDeclaration.parent.kind === 222 && functionDeclaration.kind !== 149); + } + if (!options.sourceMap && !options.inlineSourceMap) { + if (options.inlineSources) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources")); + } + if (options.sourceRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot")); + } + } + if (options.out && options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + } + if (options.mapRoot && !options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + if (options.declarationDir) { + if (!options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "declarationDir", "declaration")); + } + if (options.out || options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile")); + } + } + if (options.lib && options.noLib) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib")); + } + if (options.noImplicitUseStrict && options.alwaysStrict) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict")); + } + var languageVersion = options.target || 0; + var outFile = options.outFile || options.out; + var firstNonAmbientExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (options.isolatedModules) { + if (options.module === ts.ModuleKind.None && languageVersion < 2) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (firstNonExternalModuleSourceFile) { + var span_7 = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); + programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span_7.start, span_7.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + } + } + else if (firstNonAmbientExternalModuleSourceFile && languageVersion < 2 && options.module === ts.ModuleKind.None) { + var span_8 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_8.start, span_8.length, ts.Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none)); + } + if (outFile) { + if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); + } + else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) { + var span_9 = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span_9.start, span_9.length, ts.Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile")); + } + } + if (options.outDir || + options.sourceRoot || + options.mapRoot) { + var dir = getCommonSourceDirectory(); + if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + } + } + if (!options.noEmit && options.allowJs && options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); + } + if (options.emitDecoratorMetadata && + !options.experimentalDecorators) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); + } + if (options.reactNamespace && !ts.isIdentifierText(options.reactNamespace, languageVersion)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); + } + if (!options.noEmit && !options.suppressOutputPathCheck) { + var emitHost = getEmitHost(); + var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); + ts.forEachExpectedEmitFile(emitHost, function (emitFileNames) { + verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); + verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); + }); + } + function verifyEmitFilePath(emitFileName, emitFilesSeen) { + if (emitFileName) { + var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); + if (filesByName.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + } + if (emitFilesSeen.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + } + else { + emitFilesSeen.set(emitFilePath, true); + } + } + } + } + function createEmitBlockingDiagnostics(emitFileName, message) { + hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); + programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + } + } + ts.createProgram = createProgram; +})(ts || (ts = {})); +var ts; +(function (ts) { + var ScriptSnapshot; + (function (ScriptSnapshot) { + var StringScriptSnapshot = (function () { + function StringScriptSnapshot(text) { + this.text = text; + } + StringScriptSnapshot.prototype.getText = function (start, end) { + return this.text.substring(start, end); + }; + StringScriptSnapshot.prototype.getLength = function () { + return this.text.length; + }; + StringScriptSnapshot.prototype.getChangeRange = function () { + return undefined; + }; + return StringScriptSnapshot; + }()); + function fromString(text) { + return new StringScriptSnapshot(text); + } + ScriptSnapshot.fromString = fromString; + })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); + var TextChange = (function () { + function TextChange() { + } + return TextChange; + }()); + ts.TextChange = TextChange; + var HighlightSpanKind; + (function (HighlightSpanKind) { + HighlightSpanKind.none = "none"; + HighlightSpanKind.definition = "definition"; + HighlightSpanKind.reference = "reference"; + HighlightSpanKind.writtenReference = "writtenReference"; + })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); + (function (IndentStyle) { + IndentStyle[IndentStyle["None"] = 0] = "None"; + IndentStyle[IndentStyle["Block"] = 1] = "Block"; + IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; + })(ts.IndentStyle || (ts.IndentStyle = {})); + var IndentStyle = ts.IndentStyle; + (function (SymbolDisplayPartKind) { + SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; + SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; + SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; + SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; + SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; + SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; + SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; + })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); + var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; + (function (TokenClass) { + TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; + TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; + TokenClass[TokenClass["Operator"] = 2] = "Operator"; + TokenClass[TokenClass["Comment"] = 3] = "Comment"; + TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; + TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; + TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; + TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; + TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; + })(ts.TokenClass || (ts.TokenClass = {})); + var TokenClass = ts.TokenClass; + var ScriptElementKind; + (function (ScriptElementKind) { + ScriptElementKind.unknown = ""; + ScriptElementKind.warning = "warning"; + ScriptElementKind.keyword = "keyword"; + ScriptElementKind.scriptElement = "script"; + ScriptElementKind.moduleElement = "module"; + ScriptElementKind.classElement = "class"; + ScriptElementKind.localClassElement = "local class"; + ScriptElementKind.interfaceElement = "interface"; + ScriptElementKind.typeElement = "type"; + ScriptElementKind.enumElement = "enum"; + ScriptElementKind.enumMemberElement = "const"; + ScriptElementKind.variableElement = "var"; + ScriptElementKind.localVariableElement = "local var"; + ScriptElementKind.functionElement = "function"; + ScriptElementKind.localFunctionElement = "local function"; + ScriptElementKind.memberFunctionElement = "method"; + ScriptElementKind.memberGetAccessorElement = "getter"; + ScriptElementKind.memberSetAccessorElement = "setter"; + ScriptElementKind.memberVariableElement = "property"; + ScriptElementKind.constructorImplementationElement = "constructor"; + ScriptElementKind.callSignatureElement = "call"; + ScriptElementKind.indexSignatureElement = "index"; + ScriptElementKind.constructSignatureElement = "construct"; + ScriptElementKind.parameterElement = "parameter"; + ScriptElementKind.typeParameterElement = "type parameter"; + ScriptElementKind.primitiveType = "primitive type"; + ScriptElementKind.label = "label"; + ScriptElementKind.alias = "alias"; + ScriptElementKind.constElement = "const"; + ScriptElementKind.letElement = "let"; + ScriptElementKind.directory = "directory"; + ScriptElementKind.externalModuleName = "external module name"; + })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); + var ScriptElementKindModifier; + (function (ScriptElementKindModifier) { + ScriptElementKindModifier.none = ""; + ScriptElementKindModifier.publicMemberModifier = "public"; + ScriptElementKindModifier.privateMemberModifier = "private"; + ScriptElementKindModifier.protectedMemberModifier = "protected"; + ScriptElementKindModifier.exportedModifier = "export"; + ScriptElementKindModifier.ambientModifier = "declare"; + ScriptElementKindModifier.staticModifier = "static"; + ScriptElementKindModifier.abstractModifier = "abstract"; + })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); + var ClassificationTypeNames = (function () { + function ClassificationTypeNames() { + } + return ClassificationTypeNames; + }()); + ClassificationTypeNames.comment = "comment"; + ClassificationTypeNames.identifier = "identifier"; + ClassificationTypeNames.keyword = "keyword"; + ClassificationTypeNames.numericLiteral = "number"; + ClassificationTypeNames.operator = "operator"; + ClassificationTypeNames.stringLiteral = "string"; + ClassificationTypeNames.whiteSpace = "whitespace"; + ClassificationTypeNames.text = "text"; + ClassificationTypeNames.punctuation = "punctuation"; + ClassificationTypeNames.className = "class name"; + ClassificationTypeNames.enumName = "enum name"; + ClassificationTypeNames.interfaceName = "interface name"; + ClassificationTypeNames.moduleName = "module name"; + ClassificationTypeNames.typeParameterName = "type parameter name"; + ClassificationTypeNames.typeAliasName = "type alias name"; + ClassificationTypeNames.parameterName = "parameter name"; + ClassificationTypeNames.docCommentTagName = "doc comment tag name"; + ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; + ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; + ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; + ClassificationTypeNames.jsxAttribute = "jsx attribute"; + ClassificationTypeNames.jsxText = "jsx text"; + ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; + ts.ClassificationTypeNames = ClassificationTypeNames; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.scanner = ts.createScanner(4, true); + ts.emptyArray = []; + function getMeaningFromDeclaration(node) { + switch (node.kind) { + case 143: + case 219: + case 170: + case 146: + case 145: + case 253: + case 254: + case 255: + case 148: + case 147: + case 149: + case 150: + case 151: + case 221: + case 180: + case 181: + case 252: + return 1; + case 142: + case 223: + case 224: + case 160: + return 2; + case 222: + case 225: + return 1 | 2; + case 226: + if (ts.isAmbientModule(node)) { + return 4 | 1; } - function spanInFunctionDeclaration(functionDeclaration) { - if (!functionDeclaration.body) { - return undefined; - } - if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { - return textSpan(functionDeclaration); - } - return spanInNode(functionDeclaration.body); + else if (ts.getModuleInstanceState(node) === 1) { + return 4 | 1; } - function spanInFunctionBlock(block) { - var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); - if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { - return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); - } - return spanInNode(nodeForSpanInBlock); + else { + return 4; } - function spanInBlock(block) { - switch (block.parent.kind) { - case 226: - if (ts.getModuleInstanceState(block.parent) !== 1) { - return undefined; - } - case 206: - case 204: - case 208: - return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); - case 207: - case 209: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); - } - return spanInNode(block.statements[0]); + case 234: + case 235: + case 230: + case 231: + case 236: + case 237: + return 1 | 2 | 4; + case 256: + return 4 | 1; + } + return 1 | 2 | 4; + } + ts.getMeaningFromDeclaration = getMeaningFromDeclaration; + function getMeaningFromLocation(node) { + if (node.parent.kind === 236) { + return 1 | 2 | 4; + } + else if (isInRightSideOfImport(node)) { + return getMeaningFromRightHandSideOfImportEquals(node); + } + else if (ts.isDeclarationName(node)) { + return getMeaningFromDeclaration(node.parent); + } + else if (isTypeReference(node)) { + return 2; + } + else if (isNamespaceReference(node)) { + return 4; + } + else { + return 1; + } + } + ts.getMeaningFromLocation = getMeaningFromLocation; + function getMeaningFromRightHandSideOfImportEquals(node) { + ts.Debug.assert(node.kind === 70); + if (node.parent.kind === 140 && + node.parent.right === node && + node.parent.parent.kind === 230) { + return 1 | 2 | 4; + } + return 4; + } + function isInRightSideOfImport(node) { + while (node.parent.kind === 140) { + node = node.parent; + } + return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; + } + function isNamespaceReference(node) { + return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); + } + function isQualifiedNameNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 140) { + while (root.parent && root.parent.kind === 140) { + root = root.parent; + } + isLastClause = root.right === node; + } + return root.parent.kind === 156 && !isLastClause; + } + function isPropertyAccessNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 173) { + while (root.parent && root.parent.kind === 173) { + root = root.parent; + } + isLastClause = root.name === node; + } + if (!isLastClause && root.parent.kind === 195 && root.parent.parent.kind === 251) { + var decl = root.parent.parent.parent; + return (decl.kind === 222 && root.parent.parent.token === 107) || + (decl.kind === 223 && root.parent.parent.token === 84); + } + return false; + } + function isTypeReference(node) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + return node.parent.kind === 156 || + (node.parent.kind === 195 && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || + (node.kind === 98 && !ts.isPartOfExpression(node)) || + node.kind === 166; + } + function isCallExpressionTarget(node) { + return isCallOrNewExpressionTarget(node, 175); + } + ts.isCallExpressionTarget = isCallExpressionTarget; + function isNewExpressionTarget(node) { + return isCallOrNewExpressionTarget(node, 176); + } + ts.isNewExpressionTarget = isNewExpressionTarget; + function isCallOrNewExpressionTarget(node, kind) { + var target = climbPastPropertyAccess(node); + return target && target.parent && target.parent.kind === kind && target.parent.expression === target; + } + function climbPastPropertyAccess(node) { + return isRightSideOfPropertyAccess(node) ? node.parent : node; + } + ts.climbPastPropertyAccess = climbPastPropertyAccess; + function getTargetLabel(referenceNode, labelName) { + while (referenceNode) { + if (referenceNode.kind === 215 && referenceNode.label.text === labelName) { + return referenceNode.label; + } + referenceNode = referenceNode.parent; + } + return undefined; + } + ts.getTargetLabel = getTargetLabel; + function isJumpStatementTarget(node) { + return node.kind === 70 && + (node.parent.kind === 211 || node.parent.kind === 210) && + node.parent.label === node; + } + ts.isJumpStatementTarget = isJumpStatementTarget; + function isLabelOfLabeledStatement(node) { + return node.kind === 70 && + node.parent.kind === 215 && + node.parent.label === node; + } + function isLabelName(node) { + return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); + } + ts.isLabelName = isLabelName; + function isRightSideOfQualifiedName(node) { + return node.parent.kind === 140 && node.parent.right === node; + } + ts.isRightSideOfQualifiedName = isRightSideOfQualifiedName; + function isRightSideOfPropertyAccess(node) { + return node && node.parent && node.parent.kind === 173 && node.parent.name === node; + } + ts.isRightSideOfPropertyAccess = isRightSideOfPropertyAccess; + function isNameOfModuleDeclaration(node) { + return node.parent.kind === 226 && node.parent.name === node; + } + ts.isNameOfModuleDeclaration = isNameOfModuleDeclaration; + function isNameOfFunctionDeclaration(node) { + return node.kind === 70 && + ts.isFunctionLike(node.parent) && node.parent.name === node; + } + ts.isNameOfFunctionDeclaration = isNameOfFunctionDeclaration; + function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { + if (node.kind === 9 || node.kind === 8) { + switch (node.parent.kind) { + case 146: + case 145: + case 253: + case 255: + case 148: + case 147: + case 150: + case 151: + case 226: + return node.parent.name === node; + case 174: + return node.parent.argumentExpression === node; + case 141: + return true; + } + } + return false; + } + ts.isLiteralNameOfPropertyDeclarationOrIndexAccess = isLiteralNameOfPropertyDeclarationOrIndexAccess; + function isExpressionOfExternalModuleImportEqualsDeclaration(node) { + return ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node; + } + ts.isExpressionOfExternalModuleImportEqualsDeclaration = isExpressionOfExternalModuleImportEqualsDeclaration; + function isInsideComment(sourceFile, token, position) { + return position <= token.getStart(sourceFile) && + (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || + isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); + function isInsideCommentRange(comments) { + return ts.forEach(comments, function (comment) { + if (comment.pos < position && position < comment.end) { + return true; } - function spanInInitializerOfForLike(forLikeStatement) { - if (forLikeStatement.initializer.kind === 220) { - var variableDeclarationList = forLikeStatement.initializer; - if (variableDeclarationList.declarations.length > 0) { - return spanInNode(variableDeclarationList.declarations[0]); - } + else if (position === comment.end) { + var text = sourceFile.text; + var width = comment.end - comment.pos; + if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47) { + return true; } else { - return spanInNode(forLikeStatement.initializer); - } - } - function spanInForStatement(forStatement) { - if (forStatement.initializer) { - return spanInInitializerOfForLike(forStatement); - } - if (forStatement.condition) { - return textSpan(forStatement.condition); - } - if (forStatement.incrementor) { - return textSpan(forStatement.incrementor); - } - } - function spanInBindingPattern(bindingPattern) { - var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 194 ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - if (bindingPattern.parent.kind === 170) { - return textSpan(bindingPattern.parent); - } - return textSpanFromVariableDeclaration(bindingPattern.parent); - } - function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { - ts.Debug.assert(node.kind !== 169 && node.kind !== 168); - var elements = node.kind === 171 ? - node.elements : - node.properties; - var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 194 ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - return textSpan(node.parent.kind === 188 ? node.parent : node); - } - function spanInOpenBraceToken(node) { - switch (node.parent.kind) { - case 225: - var enumDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); - case 222: - var classDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); - case 228: - return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); - } - return spanInNode(node.parent); - } - function spanInCloseBraceToken(node) { - switch (node.parent.kind) { - case 227: - if (ts.getModuleInstanceState(node.parent.parent) !== 1) { - return undefined; - } - case 225: - case 222: - return textSpan(node); - case 200: - if (ts.isFunctionBlock(node.parent)) { - return textSpan(node); - } - case 252: - return spanInNode(ts.lastOrUndefined(node.parent.statements)); - case 228: - var caseBlock = node.parent; - var lastClause = ts.lastOrUndefined(caseBlock.clauses); - if (lastClause) { - return spanInNode(ts.lastOrUndefined(lastClause.statements)); - } - return undefined; - case 168: - var bindingPattern = node.parent; - return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - var objectLiteral = node.parent; - return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); - } - return spanInNode(node.parent); - } - } - function spanInCloseBracketToken(node) { - switch (node.parent.kind) { - case 169: - var bindingPattern = node.parent; - return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - var arrayLiteral = node.parent; - return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); - } - return spanInNode(node.parent); - } - } - function spanInOpenParenToken(node) { - if (node.parent.kind === 205 || - node.parent.kind === 175 || - node.parent.kind === 176) { - return spanInPreviousNode(node); - } - if (node.parent.kind === 179) { - return spanInNextNode(node); - } - return spanInNode(node.parent); - } - function spanInCloseParenToken(node) { - switch (node.parent.kind) { - case 180: - case 221: - case 181: - case 148: - case 147: - case 150: - case 151: - case 149: - case 206: - case 205: - case 207: - case 209: - case 175: - case 176: - case 179: - return spanInPreviousNode(node); - default: - return spanInNode(node.parent); + return !(text.charCodeAt(comment.end - 1) === 47 && + text.charCodeAt(comment.end - 2) === 42); } } - function spanInColonToken(node) { - if (ts.isFunctionLike(node.parent) || - node.parent.kind === 253 || - node.parent.kind === 143) { - return spanInPreviousNode(node); - } - return spanInNode(node.parent); + return false; + }); + } + } + ts.isInsideComment = isInsideComment; + function getContainerNode(node) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 256: + case 148: + case 147: + case 221: + case 180: + case 150: + case 151: + case 222: + case 223: + case 225: + case 226: + return node; + } + } + } + ts.getContainerNode = getContainerNode; + function getNodeKind(node) { + switch (node.kind) { + case 256: + return ts.isExternalModule(node) ? ts.ScriptElementKind.moduleElement : ts.ScriptElementKind.scriptElement; + case 226: + return ts.ScriptElementKind.moduleElement; + case 222: + case 193: + return ts.ScriptElementKind.classElement; + case 223: return ts.ScriptElementKind.interfaceElement; + case 224: return ts.ScriptElementKind.typeElement; + case 225: return ts.ScriptElementKind.enumElement; + case 219: + return getKindOfVariableDeclaration(node); + case 170: + return getKindOfVariableDeclaration(ts.getRootDeclaration(node)); + case 181: + case 221: + case 180: + return ts.ScriptElementKind.functionElement; + case 150: return ts.ScriptElementKind.memberGetAccessorElement; + case 151: return ts.ScriptElementKind.memberSetAccessorElement; + case 148: + case 147: + return ts.ScriptElementKind.memberFunctionElement; + case 146: + case 145: + return ts.ScriptElementKind.memberVariableElement; + case 154: return ts.ScriptElementKind.indexSignatureElement; + case 153: return ts.ScriptElementKind.constructSignatureElement; + case 152: return ts.ScriptElementKind.callSignatureElement; + case 149: return ts.ScriptElementKind.constructorImplementationElement; + case 142: return ts.ScriptElementKind.typeParameterElement; + case 255: return ts.ScriptElementKind.enumMemberElement; + case 143: return ts.hasModifier(node, 92) ? ts.ScriptElementKind.memberVariableElement : ts.ScriptElementKind.parameterElement; + case 230: + case 235: + case 232: + case 239: + case 233: + return ts.ScriptElementKind.alias; + case 279: + return ts.ScriptElementKind.typeElement; + default: + return ts.ScriptElementKind.unknown; + } + function getKindOfVariableDeclaration(v) { + return ts.isConst(v) + ? ts.ScriptElementKind.constElement + : ts.isLet(v) + ? ts.ScriptElementKind.letElement + : ts.ScriptElementKind.variableElement; + } + } + ts.getNodeKind = getNodeKind; + function getStringLiteralTypeForNode(node, typeChecker) { + var searchNode = node.parent.kind === 167 ? node.parent : node; + var type = typeChecker.getTypeAtLocation(searchNode); + if (type && type.flags & 32) { + return type; + } + return undefined; + } + ts.getStringLiteralTypeForNode = getStringLiteralTypeForNode; + function isThis(node) { + switch (node.kind) { + case 98: + return true; + case 70: + return ts.identifierIsThisKeyword(node) && node.parent.kind === 143; + default: + return false; + } + } + ts.isThis = isThis; + var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= range.end; + } + ts.startEndContainsRange = startEndContainsRange; + function rangeContainsStartEnd(range, start, end) { + return range.pos <= start && range.end >= end; + } + ts.rangeContainsStartEnd = rangeContainsStartEnd; + function rangeOverlapsWithStartEnd(r1, start, end) { + return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); + } + ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; + function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { + var start = Math.max(start1, start2); + var end = Math.min(end1, end2); + return start < end; + } + ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; + function positionBelongsToNode(candidate, position, sourceFile) { + return candidate.end > position || !isCompletedNode(candidate, sourceFile); + } + ts.positionBelongsToNode = positionBelongsToNode; + function isCompletedNode(n, sourceFile) { + if (ts.nodeIsMissing(n)) { + return false; + } + switch (n.kind) { + case 222: + case 223: + case 225: + case 172: + case 168: + case 160: + case 200: + case 227: + case 228: + case 234: + case 238: + return nodeEndsWith(n, 17, sourceFile); + case 252: + return isCompletedNode(n.block, sourceFile); + case 176: + if (!n.arguments) { + return true; } - function spanInGreaterThanOrLessThanToken(node) { - if (node.parent.kind === 178) { - return spanInNextNode(node); - } - return spanInNode(node.parent); + case 175: + case 179: + case 165: + return nodeEndsWith(n, 19, sourceFile); + case 157: + case 158: + return isCompletedNode(n.type, sourceFile); + case 149: + case 150: + case 151: + case 221: + case 180: + case 148: + case 147: + case 153: + case 152: + case 181: + if (n.body) { + return isCompletedNode(n.body, sourceFile); } - function spanInWhileKeyword(node) { - if (node.parent.kind === 205) { - return textSpanEndingAtNextToken(node, node.parent.expression); - } - return spanInNode(node.parent); + if (n.type) { + return isCompletedNode(n.type, sourceFile); } - function spanInOfKeyword(node) { - if (node.parent.kind === 209) { - return spanInNextNode(node); - } - return spanInNode(node.parent); + return hasChildOfKind(n, 19, sourceFile); + case 226: + return n.body && isCompletedNode(n.body, sourceFile); + case 204: + if (n.elseStatement) { + return isCompletedNode(n.elseStatement, sourceFile); } - } - } - BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; - })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - function createClassifier() { - var scanner = ts.createScanner(4, false); - var noRegexTable = []; - noRegexTable[70] = true; - noRegexTable[9] = true; - noRegexTable[8] = true; - noRegexTable[11] = true; - noRegexTable[98] = true; - noRegexTable[42] = true; - noRegexTable[43] = true; - noRegexTable[19] = true; - noRegexTable[21] = true; - noRegexTable[17] = true; - noRegexTable[100] = true; - noRegexTable[85] = true; - var templateStack = []; - function canFollow(keyword1, keyword2) { - if (ts.isAccessibilityModifier(keyword1)) { - if (keyword2 === 124 || - keyword2 === 132 || - keyword2 === 122 || - keyword2 === 114) { - return true; + return isCompletedNode(n.thenStatement, sourceFile); + case 203: + return isCompletedNode(n.expression, sourceFile) || + hasChildOfKind(n, 24); + case 171: + case 169: + case 174: + case 141: + case 162: + return nodeEndsWith(n, 21, sourceFile); + case 154: + if (n.type) { + return isCompletedNode(n.type, sourceFile); } + return hasChildOfKind(n, 21, sourceFile); + case 249: + case 250: return false; - } - return true; - } - function convertClassifications(classifications, text) { - var entries = []; - var dense = classifications.spans; - var lastEnd = 0; - for (var i = 0, n = dense.length; i < n; i += 3) { - var start = dense[i]; - var length_4 = dense[i + 1]; - var type = dense[i + 2]; - if (lastEnd >= 0) { - var whitespaceLength_1 = start - lastEnd; - if (whitespaceLength_1 > 0) { - entries.push({ length: whitespaceLength_1, classification: ts.TokenClass.Whitespace }); - } + case 207: + case 208: + case 209: + case 206: + return isCompletedNode(n.statement, sourceFile); + case 205: + var hasWhileKeyword = findChildOfKind(n, 105, sourceFile); + if (hasWhileKeyword) { + return nodeEndsWith(n, 19, sourceFile); } - entries.push({ length: length_4, classification: convertClassification(type) }); - lastEnd = start + length_4; - } - var whitespaceLength = text.length - lastEnd; - if (whitespaceLength > 0) { - entries.push({ length: whitespaceLength, classification: ts.TokenClass.Whitespace }); - } - return { entries: entries, finalLexState: classifications.endOfLineState }; + return isCompletedNode(n.statement, sourceFile); + case 159: + return isCompletedNode(n.exprName, sourceFile); + case 183: + case 182: + case 184: + case 191: + case 192: + var unaryWordExpression = n; + return isCompletedNode(unaryWordExpression.expression, sourceFile); + case 177: + return isCompletedNode(n.template, sourceFile); + case 190: + var lastSpan = ts.lastOrUndefined(n.templateSpans); + return isCompletedNode(lastSpan, sourceFile); + case 198: + return ts.nodeIsPresent(n.literal); + case 237: + case 231: + return ts.nodeIsPresent(n.moduleSpecifier); + case 186: + return isCompletedNode(n.operand, sourceFile); + case 188: + return isCompletedNode(n.right, sourceFile); + case 189: + return isCompletedNode(n.whenFalse, sourceFile); + default: + return true; } - function convertClassification(type) { - switch (type) { - case 1: return ts.TokenClass.Comment; - case 3: return ts.TokenClass.Keyword; - case 4: return ts.TokenClass.NumberLiteral; - case 5: return ts.TokenClass.Operator; - case 6: return ts.TokenClass.StringLiteral; - case 8: return ts.TokenClass.Whitespace; - case 10: return ts.TokenClass.Punctuation; - case 2: - case 11: - case 12: - case 13: - case 14: - case 15: - case 16: - case 9: - case 17: - default: - return ts.TokenClass.Identifier; + } + ts.isCompletedNode = isCompletedNode; + function nodeEndsWith(n, expectedLastToken, sourceFile) { + var children = n.getChildren(sourceFile); + if (children.length) { + var last = ts.lastOrUndefined(children); + if (last.kind === expectedLastToken) { + return true; + } + else if (last.kind === 24 && children.length !== 1) { + return children[children.length - 2].kind === expectedLastToken; } } - function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { - return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + return false; + } + function findListItemInfo(node) { + var list = findContainingList(node); + if (!list) { + return undefined; } - function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { - var offset = 0; - var token = 0; - var lastNonTriviaToken = 0; - while (templateStack.length > 0) { - templateStack.pop(); + var children = list.getChildren(); + var listItemIndex = ts.indexOf(children, node); + return { + listItemIndex: listItemIndex, + list: list + }; + } + ts.findListItemInfo = findListItemInfo; + function hasChildOfKind(n, kind, sourceFile) { + return !!findChildOfKind(n, kind, sourceFile); + } + ts.hasChildOfKind = hasChildOfKind; + function findChildOfKind(n, kind, sourceFile) { + return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); + } + ts.findChildOfKind = findChildOfKind; + function findContainingList(node) { + var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { + if (c.kind === 286 && c.pos <= node.pos && c.end >= node.end) { + return c; } - switch (lexState) { - case 3: - text = "\"\\\n" + text; - offset = 3; - break; - case 2: - text = "'\\\n" + text; - offset = 3; - break; - case 1: - text = "/*\n" + text; - offset = 3; - break; - case 4: - text = "`\n" + text; - offset = 2; - break; - case 5: - text = "}\n" + text; - offset = 2; - case 6: - templateStack.push(13); - break; + }); + ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); + return syntaxList; + } + ts.findContainingList = findContainingList; + function getTouchingWord(sourceFile, position, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }, includeJsDocComment); + } + ts.getTouchingWord = getTouchingWord; + function getTouchingPropertyName(sourceFile, position, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }, includeJsDocComment); + } + ts.getTouchingPropertyName = getTouchingPropertyName; + function getTouchingToken(sourceFile, position, includeItemAtEndPosition, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTokenAtPositionWorker(sourceFile, position, false, includeItemAtEndPosition, includeJsDocComment); + } + ts.getTouchingToken = getTouchingToken; + function getTokenAtPosition(sourceFile, position, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + return getTokenAtPositionWorker(sourceFile, position, true, undefined, includeJsDocComment); + } + ts.getTokenAtPosition = getTokenAtPosition; + function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition, includeJsDocComment) { + if (includeJsDocComment === void 0) { includeJsDocComment = false; } + var current = sourceFile; + outer: while (true) { + if (isToken(current)) { + return current; } - scanner.setText(text); - var result = { - endOfLineState: 0, - spans: [] - }; - var angleBracketStack = 0; - do { - token = scanner.scan(); - if (!ts.isTrivia(token)) { - if ((token === 40 || token === 62) && !noRegexTable[lastNonTriviaToken]) { - if (scanner.reScanSlashToken() === 11) { - token = 11; - } - } - else if (lastNonTriviaToken === 22 && isKeyword(token)) { - token = 70; - } - else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { - token = 70; - } - else if (lastNonTriviaToken === 70 && - token === 26) { - angleBracketStack++; - } - else if (token === 28 && angleBracketStack > 0) { - angleBracketStack--; - } - else if (token === 118 || - token === 133 || - token === 131 || - token === 121 || - token === 134) { - if (angleBracketStack > 0 && !syntacticClassifierAbsent) { - token = 70; - } - } - else if (token === 13) { - templateStack.push(token); - } - else if (token === 16) { - if (templateStack.length > 0) { - templateStack.push(token); - } - } - else if (token === 17) { - if (templateStack.length > 0) { - var lastTemplateStackToken = ts.lastOrUndefined(templateStack); - if (lastTemplateStackToken === 13) { - token = scanner.reScanTemplateToken(); - if (token === 15) { - templateStack.pop(); - } - else { - ts.Debug.assert(token === 14, "Should have been a template middle. Was " + token); - } - } - else { - ts.Debug.assert(lastTemplateStackToken === 16, "Should have been an open brace. Was: " + token); - templateStack.pop(); - } - } - } - lastNonTriviaToken = token; - } - processToken(); - } while (token !== 1); - return result; - function processToken() { - var start = scanner.getTokenPos(); - var end = scanner.getTextPos(); - addResult(start, end, classFromKind(token)); - if (end >= text.length) { - if (token === 9) { - var tokenText = scanner.getTokenText(); - if (scanner.isUnterminated()) { - var lastCharIndex = tokenText.length - 1; - var numBackslashes = 0; - while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92) { - numBackslashes++; - } - if (numBackslashes & 1) { - var quoteChar = tokenText.charCodeAt(0); - result.endOfLineState = quoteChar === 34 - ? 3 - : 2; - } - } - } - else if (token === 3) { - if (scanner.isUnterminated()) { - result.endOfLineState = 1; + if (includeJsDocComment) { + var jsDocChildren = ts.filter(current.getChildren(), ts.isJSDocNode); + for (var _i = 0, jsDocChildren_1 = jsDocChildren; _i < jsDocChildren_1.length; _i++) { + var jsDocChild = jsDocChildren_1[_i]; + var start = allowPositionInLeadingTrivia ? jsDocChild.getFullStart() : jsDocChild.getStart(sourceFile, includeJsDocComment); + if (start <= position) { + var end = jsDocChild.getEnd(); + if (position < end || (position === end && jsDocChild.kind === 1)) { + current = jsDocChild; + continue outer; } - } - else if (ts.isTemplateLiteralKind(token)) { - if (scanner.isUnterminated()) { - if (token === 15) { - result.endOfLineState = 5; - } - else if (token === 12) { - result.endOfLineState = 4; - } - else { - ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + else if (includeItemAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, jsDocChild); + if (previousToken && includeItemAtEndPosition(previousToken)) { + return previousToken; } } } - else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 13) { - result.endOfLineState = 6; - } } } - function addResult(start, end, classification) { - if (classification === 8) { - return; - } - if (start === 0 && offset > 0) { - start += offset; - } - start -= offset; - end -= offset; - var length = end - start; - if (length > 0) { - result.spans.push(start); - result.spans.push(length); - result.spans.push(classification); + for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { + var child = current.getChildAt(i); + if (ts.isJSDocNode(child)) { + continue; } - } - } - function isBinaryExpressionOperatorToken(token) { - switch (token) { - case 38: - case 40: - case 41: - case 36: - case 37: - case 44: - case 45: - case 46: - case 26: - case 28: - case 29: - case 30: - case 92: - case 91: - case 117: - case 31: - case 32: - case 33: - case 34: - case 47: - case 49: - case 48: - case 52: - case 53: - case 68: - case 67: - case 69: - case 64: - case 65: - case 66: - case 58: - case 59: - case 60: - case 62: - case 63: - case 57: - case 25: - return true; - default: - return false; - } - } - function isPrefixUnaryExpressionOperatorToken(token) { - switch (token) { - case 36: - case 37: - case 51: - case 50: - case 42: - case 43: - return true; - default: - return false; - } - } - function isKeyword(token) { - return token >= 71 && token <= 139; - } - function classFromKind(token) { - if (isKeyword(token)) { - return 3; - } - else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { - return 5; - } - else if (token >= 16 && token <= 69) { - return 10; - } - switch (token) { - case 8: - return 4; - case 9: - return 6; - case 11: - return 7; - case 7: - case 3: - case 2: - return 1; - case 5: - case 4: - return 8; - case 70: - default: - if (ts.isTemplateLiteralKind(token)) { - return 6; + var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile, includeJsDocComment); + if (start <= position) { + var end = child.getEnd(); + if (position < end || (position === end && child.kind === 1)) { + current = child; + continue outer; } - return 2; + else if (includeItemAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, child); + if (previousToken && includeItemAtEndPosition(previousToken)) { + return previousToken; + } + } + } } + return current; } - return { - getClassificationsForLine: getClassificationsForLine, - getEncodedLexicalClassifications: getEncodedLexicalClassifications - }; } - ts.createClassifier = createClassifier; - function getSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { - return convertClassifications(getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span)); - } - ts.getSemanticClassifications = getSemanticClassifications; - function checkForClassificationCancellation(cancellationToken, kind) { - switch (kind) { - case 226: - case 222: - case 223: - case 221: - cancellationToken.throwIfCancellationRequested(); + function findTokenOnLeftOfPosition(file, position) { + var tokenAtPosition = getTokenAtPosition(file, position); + if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { + return tokenAtPosition; } + return findPrecedingToken(position, file); } - function getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { - var result = []; - processNode(sourceFile); - return { spans: result, endOfLineState: 0 }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifySymbol(symbol, meaningAtPosition) { - var flags = symbol.getFlags(); - if ((flags & 788448) === 0) { - return; + ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; + function findNextToken(previousToken, parent) { + return find(parent); + function find(n) { + if (isToken(n) && n.pos === previousToken.end) { + return n; } - if (flags & 32) { - return 11; + var children = n.getChildren(); + for (var _i = 0, children_2 = children; _i < children_2.length; _i++) { + var child = children_2[_i]; + var shouldDiveInChildNode = (child.pos <= previousToken.pos && child.end > previousToken.end) || + (child.pos === previousToken.end); + if (shouldDiveInChildNode && nodeHasTokens(child)) { + return find(child); + } } - else if (flags & 384) { - return 12; + return undefined; + } + } + ts.findNextToken = findNextToken; + function findPrecedingToken(position, sourceFile, startNode) { + return find(startNode || sourceFile); + function findRightmostToken(n) { + if (isToken(n)) { + return n; } - else if (flags & 524288) { - return 16; + var children = n.getChildren(); + var candidate = findRightmostChildNodeWithTokens(children, children.length); + return candidate && findRightmostToken(candidate); + } + function find(n) { + if (isToken(n)) { + return n; } - else if (meaningAtPosition & 2) { - if (flags & 64) { - return 13; - } - else if (flags & 262144) { - return 15; + var children = n.getChildren(); + for (var i = 0, len = children.length; i < len; i++) { + var child = children[i]; + if (position < child.end && (nodeHasTokens(child) || child.kind === 10)) { + var start = child.getStart(sourceFile); + var lookInPreviousChild = (start >= position) || + (child.kind === 10 && start === child.end); + if (lookInPreviousChild) { + var candidate = findRightmostChildNodeWithTokens(children, i); + return candidate && findRightmostToken(candidate); + } + else { + return find(child); + } } } - else if (flags & 1536) { - if (meaningAtPosition & 4 || - (meaningAtPosition & 1 && hasValueSideModule(symbol))) { - return 14; + ts.Debug.assert(startNode !== undefined || n.kind === 256); + if (children.length) { + var candidate = findRightmostChildNodeWithTokens(children, children.length); + return candidate && findRightmostToken(candidate); + } + } + function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { + for (var i = exclusiveStartPosition - 1; i >= 0; i--) { + if (nodeHasTokens(children[i])) { + return children[i]; } } - return undefined; - function hasValueSideModule(symbol) { - return ts.forEach(symbol.declarations, function (declaration) { - return declaration.kind === 226 && - ts.getModuleInstanceState(declaration) === 1; - }); + } + } + ts.findPrecedingToken = findPrecedingToken; + function isInString(sourceFile, position) { + var previousToken = findPrecedingToken(position, sourceFile); + if (previousToken && previousToken.kind === 9) { + var start = previousToken.getStart(); + var end = previousToken.getEnd(); + if (start < position && position < end) { + return true; + } + if (position === end) { + return !!previousToken.isUnterminated; } } - function processNode(node) { - if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { - var kind = node.kind; - checkForClassificationCancellation(cancellationToken, kind); - if (kind === 70 && !ts.nodeIsMissing(node)) { - var identifier = node; - if (classifiableNames[identifier.text]) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var type = classifySymbol(symbol, ts.getMeaningFromLocation(node)); - if (type) { - pushClassification(node.getStart(), node.getWidth(), type); + return false; + } + ts.isInString = isInString; + function isInComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, undefined); + } + ts.isInComment = isInComment; + function isInsideJsxElementOrAttribute(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + if (!token) { + return false; + } + if (token.kind === 10) { + return true; + } + if (token.kind === 26 && token.parent.kind === 10) { + return true; + } + if (token.kind === 26 && token.parent.kind === 248) { + return true; + } + if (token && token.kind === 17 && token.parent.kind === 248) { + return true; + } + if (token.kind === 26 && token.parent.kind === 245) { + return true; + } + return false; + } + ts.isInsideJsxElementOrAttribute = isInsideJsxElementOrAttribute; + function isInTemplateString(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + return ts.isTemplateLiteralKind(token.kind) && position > token.getStart(sourceFile); + } + ts.isInTemplateString = isInTemplateString; + function isInCommentHelper(sourceFile, position, predicate) { + var token = getTokenAtPosition(sourceFile, position); + if (token && position <= token.getStart(sourceFile)) { + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return predicate ? + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 ? position <= c.end : position < c.end) && + predicate(c); }) : + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 ? position <= c.end : position < c.end); }); + } + return false; + } + ts.isInCommentHelper = isInCommentHelper; + function hasDocComment(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return ts.forEach(commentRanges, jsDocPrefix); + function jsDocPrefix(c) { + var text = sourceFile.text; + return text.length >= c.pos + 3 && text[c.pos] === "/" && text[c.pos + 1] === "*" && text[c.pos + 2] === "*"; + } + } + ts.hasDocComment = hasDocComment; + function getJsDocTagAtPosition(sourceFile, position) { + var node = ts.getTokenAtPosition(sourceFile, position); + if (isToken(node)) { + switch (node.kind) { + case 103: + case 109: + case 75: + node = node.parent === undefined ? undefined : node.parent.parent; + break; + default: + node = node.parent; + break; + } + } + if (node) { + if (node.jsDocComments) { + for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + if (jsDocComment.tags) { + for (var _b = 0, _c = jsDocComment.tags; _b < _c.length; _b++) { + var tag = _c[_b]; + if (tag.pos <= position && position <= tag.end) { + return tag; } } } } - ts.forEachChild(node, processNode); } } + return undefined; } - ts.getEncodedSemanticClassifications = getEncodedSemanticClassifications; - function getClassificationTypeName(type) { - switch (type) { - case 1: return ts.ClassificationTypeNames.comment; - case 2: return ts.ClassificationTypeNames.identifier; - case 3: return ts.ClassificationTypeNames.keyword; - case 4: return ts.ClassificationTypeNames.numericLiteral; - case 5: return ts.ClassificationTypeNames.operator; - case 6: return ts.ClassificationTypeNames.stringLiteral; - case 8: return ts.ClassificationTypeNames.whiteSpace; - case 9: return ts.ClassificationTypeNames.text; - case 10: return ts.ClassificationTypeNames.punctuation; - case 11: return ts.ClassificationTypeNames.className; - case 12: return ts.ClassificationTypeNames.enumName; - case 13: return ts.ClassificationTypeNames.interfaceName; - case 14: return ts.ClassificationTypeNames.moduleName; - case 15: return ts.ClassificationTypeNames.typeParameterName; - case 16: return ts.ClassificationTypeNames.typeAliasName; - case 17: return ts.ClassificationTypeNames.parameterName; - case 18: return ts.ClassificationTypeNames.docCommentTagName; - case 19: return ts.ClassificationTypeNames.jsxOpenTagName; - case 20: return ts.ClassificationTypeNames.jsxCloseTagName; - case 21: return ts.ClassificationTypeNames.jsxSelfClosingTagName; - case 22: return ts.ClassificationTypeNames.jsxAttribute; - case 23: return ts.ClassificationTypeNames.jsxText; - case 24: return ts.ClassificationTypeNames.jsxAttributeStringLiteralValue; - } + ts.getJsDocTagAtPosition = getJsDocTagAtPosition; + function nodeHasTokens(n) { + return n.getWidth() !== 0; } - function convertClassifications(classifications) { - ts.Debug.assert(classifications.spans.length % 3 === 0); - var dense = classifications.spans; + function getNodeModifiers(node) { + var flags = ts.getCombinedModifierFlags(node); var result = []; - for (var i = 0, n = dense.length; i < n; i += 3) { - result.push({ - textSpan: ts.createTextSpan(dense[i], dense[i + 1]), - classificationType: getClassificationTypeName(dense[i + 2]) - }); + if (flags & 8) + result.push(ts.ScriptElementKindModifier.privateMemberModifier); + if (flags & 16) + result.push(ts.ScriptElementKindModifier.protectedMemberModifier); + if (flags & 4) + result.push(ts.ScriptElementKindModifier.publicMemberModifier); + if (flags & 32) + result.push(ts.ScriptElementKindModifier.staticModifier); + if (flags & 128) + result.push(ts.ScriptElementKindModifier.abstractModifier); + if (flags & 1) + result.push(ts.ScriptElementKindModifier.exportedModifier); + if (ts.isInAmbientContext(node)) + result.push(ts.ScriptElementKindModifier.ambientModifier); + return result.length > 0 ? result.join(",") : ts.ScriptElementKindModifier.none; + } + ts.getNodeModifiers = getNodeModifiers; + function getTypeArgumentOrTypeParameterList(node) { + if (node.kind === 156 || node.kind === 175) { + return node.typeArguments; } - return result; + if (ts.isFunctionLike(node) || node.kind === 222 || node.kind === 223) { + return node.typeParameters; + } + return undefined; } - function getSyntacticClassifications(cancellationToken, sourceFile, span) { - return convertClassifications(getEncodedSyntacticClassifications(cancellationToken, sourceFile, span)); + ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; + function isToken(n) { + return n.kind >= 0 && n.kind <= 139; } - ts.getSyntacticClassifications = getSyntacticClassifications; - function getEncodedSyntacticClassifications(cancellationToken, sourceFile, span) { - var spanStart = span.start; - var spanLength = span.length; - var triviaScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); - var mergeConflictScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); - var result = []; - processElement(sourceFile); - return { spans: result, endOfLineState: 0 }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); + ts.isToken = isToken; + function isWord(kind) { + return kind === 70 || ts.isKeyword(kind); + } + ts.isWord = isWord; + function isPropertyName(kind) { + return kind === 9 || kind === 8 || isWord(kind); + } + function isComment(kind) { + return kind === 2 || kind === 3; + } + ts.isComment = isComment; + function isStringOrRegularExpressionOrTemplateLiteral(kind) { + if (kind === 9 + || kind === 11 + || ts.isTemplateLiteralKind(kind)) { + return true; } - function classifyLeadingTriviaAndGetTokenStart(token) { - triviaScanner.setTextPos(token.pos); - while (true) { - var start = triviaScanner.getTextPos(); - if (!ts.couldStartTrivia(sourceFile.text, start)) { - return start; - } - var kind = triviaScanner.scan(); - var end = triviaScanner.getTextPos(); - var width = end - start; - if (!ts.isTrivia(kind)) { - return start; - } - if (kind === 4 || kind === 5) { - continue; - } - if (ts.isComment(kind)) { - classifyComment(token, kind, start, width); - triviaScanner.setTextPos(end); - continue; - } - if (kind === 7) { - var text = sourceFile.text; - var ch = text.charCodeAt(start); - if (ch === 60 || ch === 62) { - pushClassification(start, width, 1); - continue; - } - ts.Debug.assert(ch === 61); - classifyDisabledMergeCode(text, start, end); + return false; + } + ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; + function isPunctuation(kind) { + return 16 <= kind && kind <= 69; + } + ts.isPunctuation = isPunctuation; + function isInsideTemplateLiteral(node, position) { + return ts.isTemplateLiteralKind(node.kind) + && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); + } + ts.isInsideTemplateLiteral = isInsideTemplateLiteral; + function isAccessibilityModifier(kind) { + switch (kind) { + case 113: + case 111: + case 112: + return true; + } + return false; + } + ts.isAccessibilityModifier = isAccessibilityModifier; + function compareDataObjects(dst, src) { + for (var e in dst) { + if (typeof dst[e] === "object") { + if (!compareDataObjects(dst[e], src[e])) { + return false; } } - } - function classifyComment(token, kind, start, width) { - if (kind === 3) { - var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); - if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDoc) { - docCommentAndDiagnostics.jsDoc.parent = token; - classifyJSDocComment(docCommentAndDiagnostics.jsDoc); - return; + else if (typeof dst[e] !== "function") { + if (dst[e] !== src[e]) { + return false; } } - pushCommentRange(start, width); } - function pushCommentRange(start, width) { - pushClassification(start, width, 1); - } - function classifyJSDocComment(docComment) { - var pos = docComment.pos; - if (docComment.tags) { - for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.pos !== pos) { - pushCommentRange(pos, tag.pos - pos); - } - pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10); - pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18); - pos = tag.tagName.end; - switch (tag.kind) { - case 275: - processJSDocParameterTag(tag); - break; - case 278: - processJSDocTemplateTag(tag); - break; - case 277: - processElement(tag.typeExpression); - break; - case 276: - processElement(tag.typeExpression); - break; - } - pos = tag.end; - } + return true; + } + ts.compareDataObjects = compareDataObjects; + function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { + if (node.kind === 171 || + node.kind === 172) { + if (node.parent.kind === 188 && + node.parent.left === node && + node.parent.operatorToken.kind === 57) { + return true; } - if (pos !== docComment.end) { - pushCommentRange(pos, docComment.end - pos); + if (node.parent.kind === 209 && + node.parent.initializer === node) { + return true; } - return; - function processJSDocParameterTag(tag) { - if (tag.preParameterName) { - pushCommentRange(pos, tag.preParameterName.pos - pos); - pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17); - pos = tag.preParameterName.end; - } - if (tag.typeExpression) { - pushCommentRange(pos, tag.typeExpression.pos - pos); - processElement(tag.typeExpression); - pos = tag.typeExpression.end; - } - if (tag.postParameterName) { - pushCommentRange(pos, tag.postParameterName.pos - pos); - pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17); - pos = tag.postParameterName.end; + if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 253 ? node.parent.parent : node.parent)) { + return true; + } + } + return false; + } + ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; + function hasTrailingDirectorySeparator(path) { + var lastCharacter = path.charAt(path.length - 1); + return lastCharacter === "/" || lastCharacter === "\\"; + } + ts.hasTrailingDirectorySeparator = hasTrailingDirectorySeparator; + function isInReferenceComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, isReferenceComment); + function isReferenceComment(c) { + var commentText = sourceFile.text.substring(c.pos, c.end); + return tripleSlashDirectivePrefixRegex.test(commentText); + } + } + ts.isInReferenceComment = isInReferenceComment; + function isInNonReferenceComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, isNonReferenceComment); + function isNonReferenceComment(c) { + var commentText = sourceFile.text.substring(c.pos, c.end); + return !tripleSlashDirectivePrefixRegex.test(commentText); + } + } + ts.isInNonReferenceComment = isInNonReferenceComment; +})(ts || (ts = {})); +(function (ts) { + function isFirstDeclarationOfSymbolParameter(symbol) { + return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 143; + } + ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; + var displayPartWriter = getDisplayPartWriter(); + function getDisplayPartWriter() { + var displayParts; + var lineStart; + var indent; + resetWriter(); + return { + displayParts: function () { return displayParts; }, + writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, + writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, + writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, + writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, + writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, + writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, + writeSymbol: writeSymbol, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + clear: resetWriter, + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop + }; + function writeIndent() { + if (lineStart) { + var indentString = ts.getIndentString(indent); + if (indentString) { + displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); } + lineStart = false; } } - function processJSDocTemplateTag(tag) { - for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { - var child = _a[_i]; - processElement(child); - } + function writeKind(text, kind) { + writeIndent(); + displayParts.push(displayPart(text, kind)); } - function classifyDisabledMergeCode(text, start, end) { - var i; - for (i = start; i < end; i++) { - if (ts.isLineBreak(text.charCodeAt(i))) { - break; - } + function writeSymbol(text, symbol) { + writeIndent(); + displayParts.push(symbolPart(text, symbol)); + } + function writeLine() { + displayParts.push(lineBreakPart()); + lineStart = true; + } + function resetWriter() { + displayParts = []; + lineStart = true; + indent = 0; + } + } + function symbolPart(text, symbol) { + return displayPart(text, displayPartKind(symbol)); + function displayPartKind(symbol) { + var flags = symbol.flags; + if (flags & 3) { + return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; } - pushClassification(start, i - start, 1); - mergeConflictScanner.setTextPos(i); - while (mergeConflictScanner.getTextPos() < end) { - classifyDisabledCodeToken(); + else if (flags & 4) { + return ts.SymbolDisplayPartKind.propertyName; } - } - function classifyDisabledCodeToken() { - var start = mergeConflictScanner.getTextPos(); - var tokenKind = mergeConflictScanner.scan(); - var end = mergeConflictScanner.getTextPos(); - var type = classifyTokenType(tokenKind); - if (type) { - pushClassification(start, end - start, type); + else if (flags & 32768) { + return ts.SymbolDisplayPartKind.propertyName; } - } - function tryClassifyNode(node) { - if (ts.isJSDocTag(node)) { - return true; + else if (flags & 65536) { + return ts.SymbolDisplayPartKind.propertyName; } - if (ts.nodeIsMissing(node)) { - return true; + else if (flags & 8) { + return ts.SymbolDisplayPartKind.enumMemberName; } - var classifiedElementName = tryClassifyJsxElementName(node); - if (!ts.isToken(node) && node.kind !== 10 && classifiedElementName === undefined) { - return false; + else if (flags & 16) { + return ts.SymbolDisplayPartKind.functionName; } - var tokenStart = node.kind === 10 ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); - var tokenWidth = node.end - tokenStart; - ts.Debug.assert(tokenWidth >= 0); - if (tokenWidth > 0) { - var type = classifiedElementName || classifyTokenType(node.kind, node); - if (type) { - pushClassification(tokenStart, tokenWidth, type); - } + else if (flags & 32) { + return ts.SymbolDisplayPartKind.className; } - return true; - } - function tryClassifyJsxElementName(token) { - switch (token.parent && token.parent.kind) { - case 244: - if (token.parent.tagName === token) { - return 19; - } - break; - case 245: - if (token.parent.tagName === token) { - return 20; - } - break; - case 243: - if (token.parent.tagName === token) { - return 21; - } - break; - case 246: - if (token.parent.name === token) { - return 22; - } - break; + else if (flags & 64) { + return ts.SymbolDisplayPartKind.interfaceName; } - return undefined; + else if (flags & 384) { + return ts.SymbolDisplayPartKind.enumName; + } + else if (flags & 1536) { + return ts.SymbolDisplayPartKind.moduleName; + } + else if (flags & 8192) { + return ts.SymbolDisplayPartKind.methodName; + } + else if (flags & 262144) { + return ts.SymbolDisplayPartKind.typeParameterName; + } + else if (flags & 524288) { + return ts.SymbolDisplayPartKind.aliasName; + } + else if (flags & 8388608) { + return ts.SymbolDisplayPartKind.aliasName; + } + return ts.SymbolDisplayPartKind.text; } - function classifyTokenType(tokenKind, token) { - if (ts.isKeyword(tokenKind)) { - return 3; + } + ts.symbolPart = symbolPart; + function displayPart(text, kind) { + return { + text: text, + kind: ts.SymbolDisplayPartKind[kind] + }; + } + ts.displayPart = displayPart; + function spacePart() { + return displayPart(" ", ts.SymbolDisplayPartKind.space); + } + ts.spacePart = spacePart; + function keywordPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); + } + ts.keywordPart = keywordPart; + function punctuationPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); + } + ts.punctuationPart = punctuationPart; + function operatorPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); + } + ts.operatorPart = operatorPart; + function textOrKeywordPart(text) { + var kind = ts.stringToToken(text); + return kind === undefined + ? textPart(text) + : keywordPart(kind); + } + ts.textOrKeywordPart = textOrKeywordPart; + function textPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.text); + } + ts.textPart = textPart; + var carriageReturnLineFeed = "\r\n"; + function getNewLineOrDefaultFromHost(host) { + return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; + } + ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; + function lineBreakPart() { + return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); + } + ts.lineBreakPart = lineBreakPart; + function mapToDisplayParts(writeDisplayParts) { + writeDisplayParts(displayPartWriter); + var result = displayPartWriter.displayParts(); + displayPartWriter.clear(); + return result; + } + ts.mapToDisplayParts = mapToDisplayParts; + function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + }); + } + ts.typeToDisplayParts = typeToDisplayParts; + function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { + return mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); + }); + } + ts.symbolToDisplayParts = symbolToDisplayParts; + function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); + }); + } + ts.signatureToDisplayParts = signatureToDisplayParts; + function getDeclaredName(typeChecker, symbol, location) { + if (isImportOrExportSpecifierName(location)) { + return location.getText(); + } + else if (ts.isStringOrNumericLiteral(location.kind) && + location.parent.kind === 141) { + return location.text; + } + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); + return name; + } + ts.getDeclaredName = getDeclaredName; + function isImportOrExportSpecifierName(location) { + return location.parent && + (location.parent.kind === 235 || location.parent.kind === 239) && + location.parent.propertyName === location; + } + ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; + function stripQuotes(name) { + var length = name.length; + if (length >= 2 && + name.charCodeAt(0) === name.charCodeAt(length - 1) && + (name.charCodeAt(0) === 34 || name.charCodeAt(0) === 39)) { + return name.substring(1, length - 1); + } + ; + return name; + } + ts.stripQuotes = stripQuotes; + function scriptKindIs(fileName, host) { + var scriptKinds = []; + for (var _i = 2; _i < arguments.length; _i++) { + scriptKinds[_i - 2] = arguments[_i]; + } + var scriptKind = getScriptKind(fileName, host); + return ts.forEach(scriptKinds, function (k) { return k === scriptKind; }); + } + ts.scriptKindIs = scriptKindIs; + function getScriptKind(fileName, host) { + var scriptKind; + if (host && host.getScriptKind) { + scriptKind = host.getScriptKind(fileName); + } + if (!scriptKind) { + scriptKind = ts.getScriptKindFromFileName(fileName); + } + return ts.ensureScriptKind(fileName, scriptKind); + } + ts.getScriptKind = getScriptKind; + function sanitizeConfigFile(configFileName, content) { + var options = { + fileName: "config.js", + compilerOptions: { + target: 2, + removeComments: true + }, + reportDiagnostics: true + }; + var _a = ts.transpileModule("(" + content + ")", options), outputText = _a.outputText, diagnostics = _a.diagnostics; + var trimmedOutput = outputText.trim(); + for (var _i = 0, diagnostics_2 = diagnostics; _i < diagnostics_2.length; _i++) { + var diagnostic = diagnostics_2[_i]; + diagnostic.start = diagnostic.start - 1; + } + var _b = ts.parseConfigFileTextToJson(configFileName, trimmedOutput.substring(1, trimmedOutput.length - 2), false), config = _b.config, error = _b.error; + return { + configJsonObject: config || {}, + diagnostics: error ? ts.concatenate(diagnostics, [error]) : diagnostics + }; + } + ts.sanitizeConfigFile = sanitizeConfigFile; +})(ts || (ts = {})); +var ts; +(function (ts) { + var BreakpointResolver; + (function (BreakpointResolver) { + function spanInSourceFileAtLocation(sourceFile, position) { + if (sourceFile.isDeclarationFile) { + return undefined; } - if (tokenKind === 26 || tokenKind === 28) { - if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { - return 10; + var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); + var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { + tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); + if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { + return undefined; } } - if (ts.isPunctuation(tokenKind)) { - if (token) { - if (tokenKind === 57) { - if (token.parent.kind === 219 || - token.parent.kind === 146 || - token.parent.kind === 143 || - token.parent.kind === 246) { - return 5; - } - } - if (token.parent.kind === 188 || - token.parent.kind === 186 || - token.parent.kind === 187 || - token.parent.kind === 189) { - return 5; - } - } - return 10; + if (ts.isInAmbientContext(tokenAtLocation)) { + return undefined; } - else if (tokenKind === 8) { - return 4; + return spanInNode(tokenAtLocation); + function textSpan(startNode, endNode) { + var start = startNode.decorators ? + ts.skipTrivia(sourceFile.text, startNode.decorators.end) : + startNode.getStart(sourceFile); + return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); } - else if (tokenKind === 9) { - return token.parent.kind === 246 ? 24 : 6; + function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { + return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); } - else if (tokenKind === 11) { - return 6; + function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { + if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { + return spanInNode(node); + } + return spanInNode(otherwiseOnNode); } - else if (ts.isTemplateLiteralKind(tokenKind)) { - return 6; + function spanInNodeArray(nodeArray) { + return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); } - else if (tokenKind === 10) { - return 23; + function spanInPreviousNode(node) { + return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); } - else if (tokenKind === 70) { - if (token) { - switch (token.parent.kind) { + function spanInNextNode(node) { + return spanInNode(ts.findNextToken(node, node.parent)); + } + function spanInNode(node) { + if (node) { + switch (node.kind) { + case 201: + return spanInVariableDeclaration(node.declarationList.declarations[0]); + case 219: + case 146: + case 145: + return spanInVariableDeclaration(node); + case 143: + return spanInParameterDeclaration(node); + case 221: + case 148: + case 147: + case 150: + case 151: + case 149: + case 180: + case 181: + return spanInFunctionDeclaration(node); + case 200: + if (ts.isFunctionBlock(node)) { + return spanInFunctionBlock(node); + } + case 227: + return spanInBlock(node); + case 252: + return spanInBlock(node.block); + case 203: + return textSpan(node.expression); + case 212: + return textSpan(node.getChildAt(0), node.expression); + case 206: + return textSpanEndingAtNextToken(node, node.expression); + case 205: + return spanInNode(node.statement); + case 218: + return textSpan(node.getChildAt(0)); + case 204: + return textSpanEndingAtNextToken(node, node.expression); + case 215: + return spanInNode(node.statement); + case 211: + case 210: + return textSpan(node.getChildAt(0), node.label); + case 207: + return spanInForStatement(node); + case 208: + return textSpanEndingAtNextToken(node, node.expression); + case 209: + return spanInInitializerOfForLike(node); + case 214: + return textSpanEndingAtNextToken(node, node.expression); + case 249: + case 250: + return spanInNode(node.statements[0]); + case 217: + return spanInBlock(node.tryBlock); + case 216: + return textSpan(node, node.expression); + case 236: + return textSpan(node, node.expression); + case 230: + return textSpan(node, node.moduleReference); + case 231: + return textSpan(node, node.moduleSpecifier); + case 237: + return textSpan(node, node.moduleSpecifier); + case 226: + if (ts.getModuleInstanceState(node) !== 1) { + return undefined; + } case 222: - if (token.parent.name === token) { - return 11; + case 225: + case 255: + case 170: + return textSpan(node); + case 213: + return spanInNode(node.statement); + case 144: + return spanInNodeArray(node.parent.decorators); + case 168: + case 169: + return spanInBindingPattern(node); + case 223: + case 224: + return undefined; + case 24: + case 1: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); + case 25: + return spanInPreviousNode(node); + case 16: + return spanInOpenBraceToken(node); + case 17: + return spanInCloseBraceToken(node); + case 21: + return spanInCloseBracketToken(node); + case 18: + return spanInOpenParenToken(node); + case 19: + return spanInCloseParenToken(node); + case 55: + return spanInColonToken(node); + case 28: + case 26: + return spanInGreaterThanOrLessThanToken(node); + case 105: + return spanInWhileKeyword(node); + case 81: + case 73: + case 86: + return spanInNextNode(node); + case 139: + return spanInOfKeyword(node); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); } - return; - case 142: - if (token.parent.name === token) { - return 15; + if ((node.kind === 70 || + node.kind == 192 || + node.kind === 253 || + node.kind === 254) && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + return textSpan(node); + } + if (node.kind === 188) { + var binaryExpression = node; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); + } + if (binaryExpression.operatorToken.kind === 57 && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { + return textSpan(node); + } + if (binaryExpression.operatorToken.kind === 25) { + return spanInNode(binaryExpression.left); + } + } + if (ts.isPartOfExpression(node)) { + switch (node.parent.kind) { + case 205: + return spanInPreviousNode(node); + case 144: + return spanInNode(node.parent); + case 207: + case 209: + return textSpan(node); + case 188: + if (node.parent.operatorToken.kind === 25) { + return textSpan(node); + } + break; + case 181: + if (node.parent.body === node) { + return textSpan(node); + } + break; + } + } + if (node.parent.kind === 253 && + node.parent.name === node && + !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { + return spanInNode(node.parent.initializer); } - return; - case 223: - if (token.parent.name === token) { - return 13; + if (node.parent.kind === 178 && node.parent.type === node) { + return spanInNextNode(node.parent.type); } - return; - case 225: - if (token.parent.name === token) { - return 12; + if (ts.isFunctionLike(node.parent) && node.parent.type === node) { + return spanInPreviousNode(node); } - return; - case 226: - if (token.parent.name === token) { - return 14; + if ((node.parent.kind === 219 || + node.parent.kind === 143)) { + var paramOrVarDecl = node.parent; + if (paramOrVarDecl.initializer === node || + paramOrVarDecl.type === node || + ts.isAssignmentOperator(node.kind)) { + return spanInPreviousNode(node); + } } - return; - case 143: - if (token.parent.name === token) { - return ts.isThisIdentifier(token) ? 3 : 17; + if (node.parent.kind === 188) { + var binaryExpression = node.parent; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && + (binaryExpression.right === node || + binaryExpression.operatorToken === node)) { + return spanInPreviousNode(node); + } } - return; - } - } - return 2; - } - } - function processElement(element) { - if (!element) { - return; - } - if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { - checkForClassificationCancellation(cancellationToken, element.kind); - var children = element.getChildren(sourceFile); - for (var i = 0, n = children.length; i < n; i++) { - var child = children[i]; - if (!tryClassifyNode(child)) { - processElement(child); + return spanInNode(node.parent); } } - } - } - } - ts.getEncodedSyntacticClassifications = getEncodedSyntacticClassifications; -})(ts || (ts = {})); -var ts; -(function (ts) { - var Completions; - (function (Completions) { - function getCompletionsAtPosition(host, typeChecker, log, compilerOptions, sourceFile, position) { - if (ts.isInReferenceComment(sourceFile, position)) { - return getTripleSlashReferenceCompletion(sourceFile, position); - } - if (ts.isInString(sourceFile, position)) { - return getStringLiteralCompletionEntries(sourceFile, position); - } - var completionData = getCompletionData(typeChecker, log, sourceFile, position); - if (!completionData) { - return undefined; - } - var symbols = completionData.symbols, isGlobalCompletion = completionData.isGlobalCompletion, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; - if (isJsDocTagName) { - return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: ts.JsDoc.getAllJsDocCompletionEntries() }; - } - var entries = []; - if (ts.isSourceFileJavaScript(sourceFile)) { - var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries, location, true); - ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); - } - else { - if (!symbols || symbols.length === 0) { - if (sourceFile.languageVariant === 1 && - location.parent && location.parent.kind === 245) { - var tagName = location.parent.parent.openingElement.tagName; - entries.push({ - name: tagName.text, - kind: undefined, - kindModifiers: undefined, - sortText: "0", - }); + function textSpanFromVariableDeclaration(variableDeclaration) { + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] === variableDeclaration) { + return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); } else { - return undefined; - } - } - getCompletionEntriesFromSymbols(symbols, entries, location, true); - } - if (!isMemberCompletion && !isJsDocTagName) { - ts.addRange(entries, keywordCompletions); - } - return { isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; - function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { - var entries = []; - var nameTable = ts.getNameTable(sourceFile); - for (var name_46 in nameTable) { - if (nameTable[name_46] === position) { - continue; - } - if (!uniqueNames[name_46]) { - uniqueNames[name_46] = name_46; - var displayName = getCompletionEntryDisplayName(ts.unescapeIdentifier(name_46), compilerOptions.target, true); - if (displayName) { - var entry = { - name: displayName, - kind: ts.ScriptElementKind.warning, - kindModifiers: "", - sortText: "1" - }; - entries.push(entry); - } - } - } - return entries; - } - function createCompletionEntry(symbol, location, performCharacterChecks) { - var displayName = getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, compilerOptions.target, performCharacterChecks, location); - if (!displayName) { - return undefined; - } - return { - name: displayName, - kind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, location), - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - sortText: "0", - }; - } - function getCompletionEntriesFromSymbols(symbols, entries, location, performCharacterChecks) { - var start = ts.timestamp(); - var uniqueNames = ts.createMap(); - if (symbols) { - for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { - var symbol = symbols_4[_i]; - var entry = createCompletionEntry(symbol, location, performCharacterChecks); - if (entry) { - var id = ts.escapeIdentifier(entry.name); - if (!uniqueNames[id]) { - entries.push(entry); - uniqueNames[id] = id; - } - } - } - } - log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (ts.timestamp() - start)); - return uniqueNames; - } - function getStringLiteralCompletionEntries(sourceFile, position) { - var node = ts.findPrecedingToken(position, sourceFile); - if (!node || node.kind !== 9) { - return undefined; - } - if (node.parent.kind === 253 && - node.parent.parent.kind === 172 && - node.parent.name === node) { - return getStringLiteralCompletionEntriesFromPropertyAssignment(node.parent); - } - else if (ts.isElementAccessExpression(node.parent) && node.parent.argumentExpression === node) { - return getStringLiteralCompletionEntriesFromElementAccess(node.parent); - } - else if (node.parent.kind === 231 || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node) || ts.isRequireCall(node.parent, false)) { - return getStringLiteralCompletionEntriesFromModuleNames(node); - } - else { - var argumentInfo = ts.SignatureHelp.getContainingArgumentInfo(node, position, sourceFile); - if (argumentInfo) { - return getStringLiteralCompletionEntriesFromCallExpression(argumentInfo); + return textSpan(variableDeclaration); } - return getStringLiteralCompletionEntriesFromContextualType(node); } - } - function getStringLiteralCompletionEntriesFromPropertyAssignment(element) { - var type = typeChecker.getContextualType(element.parent); - var entries = []; - if (type) { - getCompletionEntriesFromSymbols(type.getApparentProperties(), entries, element, false); - if (entries.length) { - return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: true, entries: entries }; + function spanInVariableDeclaration(variableDeclaration) { + if (variableDeclaration.parent.parent.kind === 208) { + return spanInNode(variableDeclaration.parent.parent); } - } - } - function getStringLiteralCompletionEntriesFromCallExpression(argumentInfo) { - var candidates = []; - var entries = []; - typeChecker.getResolvedSignature(argumentInfo.invocation, candidates); - for (var _i = 0, candidates_3 = candidates; _i < candidates_3.length; _i++) { - var candidate = candidates_3[_i]; - if (candidate.parameters.length > argumentInfo.argumentIndex) { - var parameter = candidate.parameters[argumentInfo.argumentIndex]; - addStringLiteralCompletionsFromType(typeChecker.getTypeAtLocation(parameter.valueDeclaration), entries); + if (ts.isBindingPattern(variableDeclaration.name)) { + return spanInBindingPattern(variableDeclaration.name); } - } - if (entries.length) { - return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: true, entries: entries }; - } - return undefined; - } - function getStringLiteralCompletionEntriesFromElementAccess(node) { - var type = typeChecker.getTypeAtLocation(node.expression); - var entries = []; - if (type) { - getCompletionEntriesFromSymbols(type.getApparentProperties(), entries, node, false); - if (entries.length) { - return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: true, entries: entries }; + if (variableDeclaration.initializer || + ts.hasModifier(variableDeclaration, 1) || + variableDeclaration.parent.parent.kind === 209) { + return textSpanFromVariableDeclaration(variableDeclaration); } - } - return undefined; - } - function getStringLiteralCompletionEntriesFromContextualType(node) { - var type = typeChecker.getContextualType(node); - if (type) { - var entries_2 = []; - addStringLiteralCompletionsFromType(type, entries_2); - if (entries_2.length) { - return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries_2 }; + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] !== variableDeclaration) { + return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); } } - return undefined; - } - function addStringLiteralCompletionsFromType(type, result) { - if (!type) { - return; - } - if (type.flags & 524288) { - ts.forEach(type.types, function (t) { return addStringLiteralCompletionsFromType(t, result); }); + function canHaveSpanInParameterDeclaration(parameter) { + return !!parameter.initializer || parameter.dotDotDotToken !== undefined || + ts.hasModifier(parameter, 4 | 8); } - else { - if (type.flags & 32) { - result.push({ - name: type.text, - kindModifiers: ts.ScriptElementKindModifier.none, - kind: ts.ScriptElementKind.variableElement, - sortText: "0" - }); + function spanInParameterDeclaration(parameter) { + if (ts.isBindingPattern(parameter.name)) { + return spanInBindingPattern(parameter.name); } - } - } - function getStringLiteralCompletionEntriesFromModuleNames(node) { - var literalValue = ts.normalizeSlashes(node.text); - var scriptPath = node.getSourceFile().path; - var scriptDirectory = ts.getDirectoryPath(scriptPath); - var span = getDirectoryFragmentTextSpan(node.text, node.getStart() + 1); - var entries; - if (isPathRelativeToScript(literalValue) || ts.isRootedDiskPath(literalValue)) { - if (compilerOptions.rootDirs) { - entries = getCompletionEntriesForDirectoryFragmentWithRootDirs(compilerOptions.rootDirs, literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); + else if (canHaveSpanInParameterDeclaration(parameter)) { + return textSpan(parameter); } else { - entries = getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); - } - } - else { - entries = getCompletionEntriesForNonRelativeModules(literalValue, scriptDirectory, span); - } - return { - isGlobalCompletion: false, - isMemberCompletion: false, - isNewIdentifierLocation: true, - entries: entries - }; - } - function getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase) { - rootDirs = ts.map(rootDirs, function (rootDirectory) { return ts.normalizePath(ts.isRootedDiskPath(rootDirectory) ? rootDirectory : ts.combinePaths(basePath, rootDirectory)); }); - var relativeDirectory; - for (var _i = 0, rootDirs_1 = rootDirs; _i < rootDirs_1.length; _i++) { - var rootDirectory = rootDirs_1[_i]; - if (ts.containsPath(rootDirectory, scriptPath, basePath, ignoreCase)) { - relativeDirectory = scriptPath.substr(rootDirectory.length); - break; + var functionDeclaration = parameter.parent; + var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); + if (indexOfParameter) { + return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + } + else { + return spanInNode(functionDeclaration.body); + } } } - return ts.deduplicate(ts.map(rootDirs, function (rootDirectory) { return ts.combinePaths(rootDirectory, relativeDirectory); })); - } - function getCompletionEntriesForDirectoryFragmentWithRootDirs(rootDirs, fragment, scriptPath, extensions, includeExtensions, span, exclude) { - var basePath = compilerOptions.project || host.getCurrentDirectory(); - var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); - var baseDirectories = getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase); - var result = []; - for (var _i = 0, baseDirectories_1 = baseDirectories; _i < baseDirectories_1.length; _i++) { - var baseDirectory = baseDirectories_1[_i]; - getCompletionEntriesForDirectoryFragment(fragment, baseDirectory, extensions, includeExtensions, span, exclude, result); - } - return result; - } - function getCompletionEntriesForDirectoryFragment(fragment, scriptPath, extensions, includeExtensions, span, exclude, result) { - if (result === void 0) { result = []; } - if (fragment === undefined) { - fragment = ""; - } - fragment = ts.normalizeSlashes(fragment); - fragment = ts.getDirectoryPath(fragment); - if (fragment === "") { - fragment = "." + ts.directorySeparator; + function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { + return ts.hasModifier(functionDeclaration, 1) || + (functionDeclaration.parent.kind === 222 && functionDeclaration.kind !== 149); } - fragment = ts.ensureTrailingDirectorySeparator(fragment); - var absolutePath = normalizeAndPreserveTrailingSlash(ts.isRootedDiskPath(fragment) ? fragment : ts.combinePaths(scriptPath, fragment)); - var baseDirectory = ts.getDirectoryPath(absolutePath); - var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); - if (tryDirectoryExists(host, baseDirectory)) { - var files = tryReadDirectory(host, baseDirectory, extensions, undefined, ["./*"]); - if (files) { - var foundFiles = ts.createMap(); - for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { - var filePath = files_3[_i]; - filePath = ts.normalizePath(filePath); - if (exclude && ts.comparePaths(filePath, exclude, scriptPath, ignoreCase) === 0) { - continue; - } - var foundFileName = includeExtensions ? ts.getBaseFileName(filePath) : ts.removeFileExtension(ts.getBaseFileName(filePath)); - if (!foundFiles[foundFileName]) { - foundFiles[foundFileName] = true; - } - } - for (var foundFile in foundFiles) { - result.push(createCompletionEntryForModule(foundFile, ts.ScriptElementKind.scriptElement, span)); - } + function spanInFunctionDeclaration(functionDeclaration) { + if (!functionDeclaration.body) { + return undefined; } - var directories = tryGetDirectories(host, baseDirectory); - if (directories) { - for (var _a = 0, directories_2 = directories; _a < directories_2.length; _a++) { - var directory = directories_2[_a]; - var directoryName = ts.getBaseFileName(ts.normalizePath(directory)); - result.push(createCompletionEntryForModule(directoryName, ts.ScriptElementKind.directory, span)); - } + if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { + return textSpan(functionDeclaration); } + return spanInNode(functionDeclaration.body); } - return result; - } - function getCompletionEntriesForNonRelativeModules(fragment, scriptPath, span) { - var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths; - var result; - if (baseUrl) { - var fileExtensions = ts.getSupportedExtensions(compilerOptions); - var projectDir = compilerOptions.project || host.getCurrentDirectory(); - var absolute = ts.isRootedDiskPath(baseUrl) ? baseUrl : ts.combinePaths(projectDir, baseUrl); - result = getCompletionEntriesForDirectoryFragment(fragment, ts.normalizePath(absolute), fileExtensions, false, span); - if (paths) { - for (var path in paths) { - if (paths.hasOwnProperty(path)) { - if (path === "*") { - if (paths[path]) { - for (var _i = 0, _a = paths[path]; _i < _a.length; _i++) { - var pattern = _a[_i]; - for (var _b = 0, _c = getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions); _b < _c.length; _b++) { - var match = _c[_b]; - result.push(createCompletionEntryForModule(match, ts.ScriptElementKind.externalModuleName, span)); - } - } - } - } - else if (ts.startsWith(path, fragment)) { - var entry = paths[path] && paths[path].length === 1 && paths[path][0]; - if (entry) { - result.push(createCompletionEntryForModule(path, ts.ScriptElementKind.externalModuleName, span)); - } - } - } - } + function spanInFunctionBlock(block) { + var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); + if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { + return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); } + return spanInNode(nodeForSpanInBlock); } - else { - result = []; - } - getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span, result); - for (var _d = 0, _e = enumeratePotentialNonRelativeModules(fragment, scriptPath, compilerOptions); _d < _e.length; _d++) { - var moduleName = _e[_d]; - result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); - } - return result; - } - function getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions) { - if (host.readDirectory) { - var parsed = ts.hasZeroOrOneAsteriskCharacter(pattern) ? ts.tryParsePattern(pattern) : undefined; - if (parsed) { - var normalizedPrefix = normalizeAndPreserveTrailingSlash(parsed.prefix); - var normalizedPrefixDirectory = ts.getDirectoryPath(normalizedPrefix); - var normalizedPrefixBase = ts.getBaseFileName(normalizedPrefix); - var fragmentHasPath = fragment.indexOf(ts.directorySeparator) !== -1; - var expandedPrefixDirectory = fragmentHasPath ? ts.combinePaths(normalizedPrefixDirectory, normalizedPrefixBase + ts.getDirectoryPath(fragment)) : normalizedPrefixDirectory; - var normalizedSuffix = ts.normalizePath(parsed.suffix); - var baseDirectory = ts.combinePaths(baseUrl, expandedPrefixDirectory); - var completePrefix = fragmentHasPath ? baseDirectory : ts.ensureTrailingDirectorySeparator(baseDirectory) + normalizedPrefixBase; - var includeGlob = normalizedSuffix ? "**/*" : "./*"; - var matches = tryReadDirectory(host, baseDirectory, fileExtensions, undefined, [includeGlob]); - if (matches) { - var result = []; - for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { - var match = matches_1[_i]; - var normalizedMatch = ts.normalizePath(match); - if (!ts.endsWith(normalizedMatch, normalizedSuffix) || !ts.startsWith(normalizedMatch, completePrefix)) { - continue; - } - var start = completePrefix.length; - var length_5 = normalizedMatch.length - start - normalizedSuffix.length; - result.push(ts.removeFileExtension(normalizedMatch.substr(start, length_5))); + function spanInBlock(block) { + switch (block.parent.kind) { + case 226: + if (ts.getModuleInstanceState(block.parent) !== 1) { + return undefined; } - return result; - } + case 206: + case 204: + case 208: + return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); + case 207: + case 209: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); } + return spanInNode(block.statements[0]); } - return undefined; - } - function enumeratePotentialNonRelativeModules(fragment, scriptPath, options) { - var isNestedModule = fragment.indexOf(ts.directorySeparator) !== -1; - var moduleNameFragment = isNestedModule ? fragment.substr(0, fragment.lastIndexOf(ts.directorySeparator)) : undefined; - var ambientModules = ts.map(typeChecker.getAmbientModules(), function (sym) { return ts.stripQuotes(sym.name); }); - var nonRelativeModules = ts.filter(ambientModules, function (moduleName) { return ts.startsWith(moduleName, fragment); }); - if (isNestedModule) { - var moduleNameWithSeperator_1 = ts.ensureTrailingDirectorySeparator(moduleNameFragment); - nonRelativeModules = ts.map(nonRelativeModules, function (moduleName) { - if (ts.startsWith(fragment, moduleNameWithSeperator_1)) { - return moduleName.substr(moduleNameWithSeperator_1.length); - } - return moduleName; - }); - } - if (!options.moduleResolution || options.moduleResolution === ts.ModuleResolutionKind.NodeJs) { - for (var _i = 0, _a = enumerateNodeModulesVisibleToScript(host, scriptPath); _i < _a.length; _i++) { - var visibleModule = _a[_i]; - if (!isNestedModule) { - nonRelativeModules.push(visibleModule.moduleName); - } - else if (ts.startsWith(visibleModule.moduleName, moduleNameFragment)) { - var nestedFiles = tryReadDirectory(host, visibleModule.moduleDir, ts.supportedTypeScriptExtensions, undefined, ["./*"]); - if (nestedFiles) { - for (var _b = 0, nestedFiles_1 = nestedFiles; _b < nestedFiles_1.length; _b++) { - var f = nestedFiles_1[_b]; - f = ts.normalizePath(f); - var nestedModule = ts.removeFileExtension(ts.getBaseFileName(f)); - nonRelativeModules.push(nestedModule); - } - } + function spanInInitializerOfForLike(forLikeStatement) { + if (forLikeStatement.initializer.kind === 220) { + var variableDeclarationList = forLikeStatement.initializer; + if (variableDeclarationList.declarations.length > 0) { + return spanInNode(variableDeclarationList.declarations[0]); } } - } - return ts.deduplicate(nonRelativeModules); - } - function getTripleSlashReferenceCompletion(sourceFile, position) { - var token = ts.getTokenAtPosition(sourceFile, position); - if (!token) { - return undefined; - } - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - if (!commentRanges || !commentRanges.length) { - return undefined; - } - var range = ts.forEach(commentRanges, function (commentRange) { return position >= commentRange.pos && position <= commentRange.end && commentRange; }); - if (!range) { - return undefined; - } - var completionInfo = { - isGlobalCompletion: false, - isMemberCompletion: false, - isNewIdentifierLocation: true, - entries: [] - }; - var text = sourceFile.text.substr(range.pos, position - range.pos); - var match = tripleSlashDirectiveFragmentRegex.exec(text); - if (match) { - var prefix = match[1]; - var kind = match[2]; - var toComplete = match[3]; - var scriptPath = ts.getDirectoryPath(sourceFile.path); - if (kind === "path") { - var span_10 = getDirectoryFragmentTextSpan(toComplete, range.pos + prefix.length); - completionInfo.entries = getCompletionEntriesForDirectoryFragment(toComplete, scriptPath, ts.getSupportedExtensions(compilerOptions), true, span_10, sourceFile.path); - } else { - var span_11 = { start: range.pos + prefix.length, length: match[0].length - prefix.length }; - completionInfo.entries = getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span_11); + return spanInNode(forLikeStatement.initializer); } } - return completionInfo; - } - function getCompletionEntriesFromTypings(host, options, scriptPath, span, result) { - if (result === void 0) { result = []; } - if (options.types) { - for (var _i = 0, _a = options.types; _i < _a.length; _i++) { - var moduleName = _a[_i]; - result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); + function spanInForStatement(forStatement) { + if (forStatement.initializer) { + return spanInInitializerOfForLike(forStatement); + } + if (forStatement.condition) { + return textSpan(forStatement.condition); + } + if (forStatement.incrementor) { + return textSpan(forStatement.incrementor); } } - else if (host.getDirectories) { - var typeRoots = void 0; - try { - typeRoots = ts.getEffectiveTypeRoots(options, host); + function spanInBindingPattern(bindingPattern) { + var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 194 ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); } - catch (e) { } - if (typeRoots) { - for (var _b = 0, typeRoots_2 = typeRoots; _b < typeRoots_2.length; _b++) { - var root = typeRoots_2[_b]; - getCompletionEntriesFromDirectories(host, root, span, result); - } + if (bindingPattern.parent.kind === 170) { + return textSpan(bindingPattern.parent); } + return textSpanFromVariableDeclaration(bindingPattern.parent); } - if (host.getDirectories) { - for (var _c = 0, _d = findPackageJsons(scriptPath); _c < _d.length; _c++) { - var packageJson = _d[_c]; - var typesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules/@types"); - getCompletionEntriesFromDirectories(host, typesDir, span, result); + function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { + ts.Debug.assert(node.kind !== 169 && node.kind !== 168); + var elements = node.kind === 171 ? + node.elements : + node.properties; + var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 194 ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); } + return textSpan(node.parent.kind === 188 ? node.parent : node); } - return result; - } - function getCompletionEntriesFromDirectories(host, directory, span, result) { - if (host.getDirectories && tryDirectoryExists(host, directory)) { - var directories = tryGetDirectories(host, directory); - if (directories) { - for (var _i = 0, directories_3 = directories; _i < directories_3.length; _i++) { - var typeDirectory = directories_3[_i]; - typeDirectory = ts.normalizePath(typeDirectory); - result.push(createCompletionEntryForModule(ts.getBaseFileName(typeDirectory), ts.ScriptElementKind.externalModuleName, span)); - } + function spanInOpenBraceToken(node) { + switch (node.parent.kind) { + case 225: + var enumDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); + case 222: + var classDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); + case 228: + return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); } + return spanInNode(node.parent); } - } - function findPackageJsons(currentDir) { - var paths = []; - var currentConfigPath; - while (true) { - currentConfigPath = ts.findConfigFile(currentDir, function (f) { return tryFileExists(host, f); }, "package.json"); - if (currentConfigPath) { - paths.push(currentConfigPath); - currentDir = ts.getDirectoryPath(currentConfigPath); - var parent_16 = ts.getDirectoryPath(currentDir); - if (currentDir === parent_16) { - break; - } - currentDir = parent_16; + function spanInCloseBraceToken(node) { + switch (node.parent.kind) { + case 227: + if (ts.getModuleInstanceState(node.parent.parent) !== 1) { + return undefined; + } + case 225: + case 222: + return textSpan(node); + case 200: + if (ts.isFunctionBlock(node.parent)) { + return textSpan(node); + } + case 252: + return spanInNode(ts.lastOrUndefined(node.parent.statements)); + case 228: + var caseBlock = node.parent; + var lastClause = ts.lastOrUndefined(caseBlock.clauses); + if (lastClause) { + return spanInNode(ts.lastOrUndefined(lastClause.statements)); + } + return undefined; + case 168: + var bindingPattern = node.parent; + return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + var objectLiteral = node.parent; + return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); + } + return spanInNode(node.parent); } - else { - break; + } + function spanInCloseBracketToken(node) { + switch (node.parent.kind) { + case 169: + var bindingPattern = node.parent; + return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + var arrayLiteral = node.parent; + return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); + } + return spanInNode(node.parent); } } - return paths; - } - function enumerateNodeModulesVisibleToScript(host, scriptPath) { - var result = []; - if (host.readFile && host.fileExists) { - for (var _i = 0, _a = findPackageJsons(scriptPath); _i < _a.length; _i++) { - var packageJson = _a[_i]; - var contents = tryReadingPackageJson(packageJson); - if (!contents) { - return; - } - var nodeModulesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules"); - var foundModuleNames = []; - for (var _b = 0, nodeModulesDependencyKeys_1 = nodeModulesDependencyKeys; _b < nodeModulesDependencyKeys_1.length; _b++) { - var key = nodeModulesDependencyKeys_1[_b]; - addPotentialPackageNames(contents[key], foundModuleNames); - } - for (var _c = 0, foundModuleNames_1 = foundModuleNames; _c < foundModuleNames_1.length; _c++) { - var moduleName = foundModuleNames_1[_c]; - var moduleDir = ts.combinePaths(nodeModulesDir, moduleName); - result.push({ - moduleName: moduleName, - moduleDir: moduleDir - }); - } + function spanInOpenParenToken(node) { + if (node.parent.kind === 205 || + node.parent.kind === 175 || + node.parent.kind === 176) { + return spanInPreviousNode(node); + } + if (node.parent.kind === 179) { + return spanInNextNode(node); } + return spanInNode(node.parent); } - return result; - function tryReadingPackageJson(filePath) { - try { - var fileText = tryReadFile(host, filePath); - return fileText ? JSON.parse(fileText) : undefined; + function spanInCloseParenToken(node) { + switch (node.parent.kind) { + case 180: + case 221: + case 181: + case 148: + case 147: + case 150: + case 151: + case 149: + case 206: + case 205: + case 207: + case 209: + case 175: + case 176: + case 179: + return spanInPreviousNode(node); + default: + return spanInNode(node.parent); } - catch (e) { - return undefined; + } + function spanInColonToken(node) { + if (ts.isFunctionLike(node.parent) || + node.parent.kind === 253 || + node.parent.kind === 143) { + return spanInPreviousNode(node); } + return spanInNode(node.parent); } - function addPotentialPackageNames(dependencies, result) { - if (dependencies) { - for (var dep in dependencies) { - if (dependencies.hasOwnProperty(dep) && !ts.startsWith(dep, "@types/")) { - result.push(dep); - } - } + function spanInGreaterThanOrLessThanToken(node) { + if (node.parent.kind === 178) { + return spanInNextNode(node); } + return spanInNode(node.parent); + } + function spanInWhileKeyword(node) { + if (node.parent.kind === 205) { + return textSpanEndingAtNextToken(node, node.parent.expression); + } + return spanInNode(node.parent); + } + function spanInOfKeyword(node) { + if (node.parent.kind === 209) { + return spanInNextNode(node); + } + return spanInNode(node.parent); } } - function createCompletionEntryForModule(name, kind, replacementSpan) { - return { name: name, kind: kind, kindModifiers: ts.ScriptElementKindModifier.none, sortText: name, replacementSpan: replacementSpan }; - } - function getDirectoryFragmentTextSpan(text, textStart) { - var index = text.lastIndexOf(ts.directorySeparator); - var offset = index !== -1 ? index + 1 : 0; - return { start: textStart + offset, length: text.length - offset }; - } - function isPathRelativeToScript(path) { - if (path && path.length >= 2 && path.charCodeAt(0) === 46) { - var slashIndex = path.length >= 3 && path.charCodeAt(1) === 46 ? 2 : 1; - var slashCharCode = path.charCodeAt(slashIndex); - return slashCharCode === 47 || slashCharCode === 92; + } + BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; + })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function createClassifier() { + var scanner = ts.createScanner(4, false); + var noRegexTable = []; + noRegexTable[70] = true; + noRegexTable[9] = true; + noRegexTable[8] = true; + noRegexTable[11] = true; + noRegexTable[98] = true; + noRegexTable[42] = true; + noRegexTable[43] = true; + noRegexTable[19] = true; + noRegexTable[21] = true; + noRegexTable[17] = true; + noRegexTable[100] = true; + noRegexTable[85] = true; + var templateStack = []; + function canFollow(keyword1, keyword2) { + if (ts.isAccessibilityModifier(keyword1)) { + if (keyword2 === 124 || + keyword2 === 132 || + keyword2 === 122 || + keyword2 === 114) { + return true; } return false; } - function normalizeAndPreserveTrailingSlash(path) { - return ts.hasTrailingDirectorySeparator(path) ? ts.ensureTrailingDirectorySeparator(ts.normalizePath(path)) : ts.normalizePath(path); - } + return true; } - Completions.getCompletionsAtPosition = getCompletionsAtPosition; - function getCompletionEntryDetails(typeChecker, log, compilerOptions, sourceFile, position, entryName) { - var completionData = getCompletionData(typeChecker, log, sourceFile, position); - if (completionData) { - var symbols = completionData.symbols, location_2 = completionData.location; - var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_2) === entryName ? s : undefined; }); - if (symbol) { - var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, location_2, location_2, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; - return { - name: entryName, - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - kind: symbolKind, - displayParts: displayParts, - documentation: documentation - }; + function convertClassifications(classifications, text) { + var entries = []; + var dense = classifications.spans; + var lastEnd = 0; + for (var i = 0, n = dense.length; i < n; i += 3) { + var start = dense[i]; + var length_4 = dense[i + 1]; + var type = dense[i + 2]; + if (lastEnd >= 0) { + var whitespaceLength_1 = start - lastEnd; + if (whitespaceLength_1 > 0) { + entries.push({ length: whitespaceLength_1, classification: ts.TokenClass.Whitespace }); + } } + entries.push({ length: length_4, classification: convertClassification(type) }); + lastEnd = start + length_4; } - var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); - if (keywordCompletion) { - return { - name: entryName, - kind: ts.ScriptElementKind.keyword, - kindModifiers: ts.ScriptElementKindModifier.none, - displayParts: [ts.displayPart(entryName, ts.SymbolDisplayPartKind.keyword)], - documentation: undefined - }; + var whitespaceLength = text.length - lastEnd; + if (whitespaceLength > 0) { + entries.push({ length: whitespaceLength, classification: ts.TokenClass.Whitespace }); } - return undefined; + return { entries: entries, finalLexState: classifications.endOfLineState }; } - Completions.getCompletionEntryDetails = getCompletionEntryDetails; - function getCompletionEntrySymbol(typeChecker, log, compilerOptions, sourceFile, position, entryName) { - var completionData = getCompletionData(typeChecker, log, sourceFile, position); - if (completionData) { - var symbols = completionData.symbols, location_3 = completionData.location; - return ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_3) === entryName ? s : undefined; }); + function convertClassification(type) { + switch (type) { + case 1: return ts.TokenClass.Comment; + case 3: return ts.TokenClass.Keyword; + case 4: return ts.TokenClass.NumberLiteral; + case 5: return ts.TokenClass.Operator; + case 6: return ts.TokenClass.StringLiteral; + case 8: return ts.TokenClass.Whitespace; + case 10: return ts.TokenClass.Punctuation; + case 2: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 9: + case 17: + default: + return ts.TokenClass.Identifier; } - return undefined; } - Completions.getCompletionEntrySymbol = getCompletionEntrySymbol; - function getCompletionData(typeChecker, log, sourceFile, position) { - var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); - var isJsDocTagName = false; - var start = ts.timestamp(); - var currentToken = ts.getTokenAtPosition(sourceFile, position); - log("getCompletionData: Get current token: " + (ts.timestamp() - start)); - start = ts.timestamp(); - var insideComment = ts.isInsideComment(sourceFile, currentToken, position); - log("getCompletionData: Is inside comment: " + (ts.timestamp() - start)); - if (insideComment) { - if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64) { - isJsDocTagName = true; - } - var insideJsDocTagExpression = false; - var tag = ts.getJsDocTagAtPosition(sourceFile, position); - if (tag) { - if (tag.tagName.pos <= position && position <= tag.tagName.end) { - isJsDocTagName = true; - } - switch (tag.kind) { - case 277: - case 275: - case 276: - var tagWithExpression = tag; - if (tagWithExpression.typeExpression) { - insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; - } - break; - } - } - if (isJsDocTagName) { - return { symbols: undefined, isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; - } - if (!insideJsDocTagExpression) { - log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); - return undefined; - } + function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { + return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + } + function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { + var offset = 0; + var token = 0; + var lastNonTriviaToken = 0; + while (templateStack.length > 0) { + templateStack.pop(); } - start = ts.timestamp(); - var previousToken = ts.findPrecedingToken(position, sourceFile); - log("getCompletionData: Get previous token 1: " + (ts.timestamp() - start)); - var contextToken = previousToken; - if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { - var start_2 = ts.timestamp(); - contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); - log("getCompletionData: Get previous token 2: " + (ts.timestamp() - start_2)); + switch (lexState) { + case 3: + text = "\"\\\n" + text; + offset = 3; + break; + case 2: + text = "'\\\n" + text; + offset = 3; + break; + case 1: + text = "/*\n" + text; + offset = 3; + break; + case 4: + text = "`\n" + text; + offset = 2; + break; + case 5: + text = "}\n" + text; + offset = 2; + case 6: + templateStack.push(13); + break; } - var node = currentToken; - var isRightOfDot = false; - var isRightOfOpenTag = false; - var isStartingCloseTag = false; - var location = ts.getTouchingPropertyName(sourceFile, position); - if (contextToken) { - if (isCompletionListBlocker(contextToken)) { - log("Returning an empty list because completion was requested in an invalid position."); - return undefined; - } - var parent_17 = contextToken.parent, kind = contextToken.kind; - if (kind === 22) { - if (parent_17.kind === 173) { - node = contextToken.parent.expression; - isRightOfDot = true; - } - else if (parent_17.kind === 140) { - node = contextToken.parent.left; - isRightOfDot = true; - } - else { - return undefined; + scanner.setText(text); + var result = { + endOfLineState: 0, + spans: [] + }; + var angleBracketStack = 0; + do { + token = scanner.scan(); + if (!ts.isTrivia(token)) { + if ((token === 40 || token === 62) && !noRegexTable[lastNonTriviaToken]) { + if (scanner.reScanSlashToken() === 11) { + token = 11; + } } - } - else if (sourceFile.languageVariant === 1) { - if (kind === 26) { - isRightOfOpenTag = true; - location = contextToken; + else if (lastNonTriviaToken === 22 && isKeyword(token)) { + token = 70; } - else if (kind === 40 && contextToken.parent.kind === 245) { - isStartingCloseTag = true; - location = contextToken; + else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { + token = 70; } - } - } - var semanticStart = ts.timestamp(); - var isGlobalCompletion = false; - var isMemberCompletion; - var isNewIdentifierLocation; - var symbols = []; - if (isRightOfDot) { - getTypeScriptMemberSymbols(); - } - else if (isRightOfOpenTag) { - var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); - if (tryGetGlobalSymbols()) { - symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & (107455 | 8388608)); })); - } - else { - symbols = tagSymbols; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else if (isStartingCloseTag) { - var tagName = contextToken.parent.parent.openingElement.tagName; - var tagSymbol = typeChecker.getSymbolAtLocation(tagName); - if (!typeChecker.isUnknownSymbol(tagSymbol)) { - symbols = [tagSymbol]; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else { - if (!tryGetGlobalSymbols()) { - return undefined; - } - } - log("getCompletionData: Semantic work: " + (ts.timestamp() - semanticStart)); - return { symbols: symbols, isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; - function getTypeScriptMemberSymbols() { - isGlobalCompletion = false; - isMemberCompletion = true; - isNewIdentifierLocation = false; - if (node.kind === 70 || node.kind === 140 || node.kind === 173) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol && symbol.flags & 8388608) { - symbol = typeChecker.getAliasedSymbol(symbol); + else if (lastNonTriviaToken === 70 && + token === 26) { + angleBracketStack++; } - if (symbol && symbol.flags & 1952) { - var exportedSymbols = typeChecker.getExportsOfModule(symbol); - ts.forEach(exportedSymbols, function (symbol) { - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); + else if (token === 28 && angleBracketStack > 0) { + angleBracketStack--; + } + else if (token === 118 || + token === 133 || + token === 131 || + token === 121 || + token === 134) { + if (angleBracketStack > 0 && !syntacticClassifierAbsent) { + token = 70; + } + } + else if (token === 13) { + templateStack.push(token); + } + else if (token === 16) { + if (templateStack.length > 0) { + templateStack.push(token); + } + } + else if (token === 17) { + if (templateStack.length > 0) { + var lastTemplateStackToken = ts.lastOrUndefined(templateStack); + if (lastTemplateStackToken === 13) { + token = scanner.reScanTemplateToken(); + if (token === 15) { + templateStack.pop(); + } + else { + ts.Debug.assert(token === 14, "Should have been a template middle. Was " + token); + } } - }); + else { + ts.Debug.assert(lastTemplateStackToken === 16, "Should have been an open brace. Was: " + token); + templateStack.pop(); + } + } } + lastNonTriviaToken = token; } - var type = typeChecker.getTypeAtLocation(node); - addTypeProperties(type); - } - function addTypeProperties(type) { - if (type) { - for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { - var symbol = _a[_i]; - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); + processToken(); + } while (token !== 1); + return result; + function processToken() { + var start = scanner.getTokenPos(); + var end = scanner.getTextPos(); + addResult(start, end, classFromKind(token)); + if (end >= text.length) { + if (token === 9) { + var tokenText = scanner.getTokenText(); + if (scanner.isUnterminated()) { + var lastCharIndex = tokenText.length - 1; + var numBackslashes = 0; + while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92) { + numBackslashes++; + } + if (numBackslashes & 1) { + var quoteChar = tokenText.charCodeAt(0); + result.endOfLineState = quoteChar === 34 + ? 3 + : 2; + } } } - if (isJavaScriptFile && type.flags & 524288) { - var unionType = type; - for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { - var elementType = _c[_b]; - addTypeProperties(elementType); + else if (token === 3) { + if (scanner.isUnterminated()) { + result.endOfLineState = 1; } } - } - } - function tryGetGlobalSymbols() { - var objectLikeContainer; - var namedImportsOrExports; - var jsxContainer; - if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { - return tryGetObjectLikeCompletionSymbols(objectLikeContainer); - } - if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { - return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); - } - if (jsxContainer = tryGetContainingJsxElement(contextToken)) { - var attrsType = void 0; - if ((jsxContainer.kind === 243) || (jsxContainer.kind === 244)) { - attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); - if (attrsType) { - symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); - isMemberCompletion = true; - isNewIdentifierLocation = false; - return true; + else if (ts.isTemplateLiteralKind(token)) { + if (scanner.isUnterminated()) { + if (token === 15) { + result.endOfLineState = 5; + } + else if (token === 12) { + result.endOfLineState = 4; + } + else { + ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + } } } + else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 13) { + result.endOfLineState = 6; + } } - isMemberCompletion = false; - isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); - if (previousToken !== contextToken) { - ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + function addResult(start, end, classification) { + if (classification === 8) { + return; } - var adjustedPosition = previousToken !== contextToken ? - previousToken.getStart() : - position; - var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; - if (scopeNode) { - isGlobalCompletion = - scopeNode.kind === 256 || - scopeNode.kind === 190 || - scopeNode.kind === 248 || - ts.isStatement(scopeNode); + if (start === 0 && offset > 0) { + start += offset; } - var symbolMeanings = 793064 | 107455 | 1920 | 8388608; - symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); - return true; - } - function getScopeNode(initialToken, position, sourceFile) { - var scope = initialToken; - while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { - scope = scope.parent; + start -= offset; + end -= offset; + var length = end - start; + if (length > 0) { + result.spans.push(start); + result.spans.push(length); + result.spans.push(classification); } - return scope; } - function isCompletionListBlocker(contextToken) { - var start = ts.timestamp(); - var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || - isSolelyIdentifierDefinitionLocation(contextToken) || - isDotOfNumericLiteral(contextToken) || - isInJsxText(contextToken); - log("getCompletionsAtPosition: isCompletionListBlocker: " + (ts.timestamp() - start)); - return result; + } + function isBinaryExpressionOperatorToken(token) { + switch (token) { + case 38: + case 40: + case 41: + case 36: + case 37: + case 44: + case 45: + case 46: + case 26: + case 28: + case 29: + case 30: + case 92: + case 91: + case 117: + case 31: + case 32: + case 33: + case 34: + case 47: + case 49: + case 48: + case 52: + case 53: + case 68: + case 67: + case 69: + case 64: + case 65: + case 66: + case 58: + case 59: + case 60: + case 62: + case 63: + case 57: + case 25: + return true; + default: + return false; } - function isInJsxText(contextToken) { - if (contextToken.kind === 10) { + } + function isPrefixUnaryExpressionOperatorToken(token) { + switch (token) { + case 36: + case 37: + case 51: + case 50: + case 42: + case 43: return true; - } - if (contextToken.kind === 28 && contextToken.parent) { - if (contextToken.parent.kind === 244) { - return true; - } - if (contextToken.parent.kind === 245 || contextToken.parent.kind === 243) { - return contextToken.parent.parent && contextToken.parent.parent.kind === 242; - } - } - return false; + default: + return false; } - function isNewIdentifierDefinitionLocation(previousToken) { - if (previousToken) { - var containingNodeKind = previousToken.parent.kind; - switch (previousToken.kind) { - case 25: - return containingNodeKind === 175 - || containingNodeKind === 149 - || containingNodeKind === 176 - || containingNodeKind === 171 - || containingNodeKind === 188 - || containingNodeKind === 157; - case 18: - return containingNodeKind === 175 - || containingNodeKind === 149 - || containingNodeKind === 176 - || containingNodeKind === 179 - || containingNodeKind === 165; - case 20: - return containingNodeKind === 171 - || containingNodeKind === 154 - || containingNodeKind === 141; - case 126: - case 127: - return true; - case 22: - return containingNodeKind === 226; - case 16: - return containingNodeKind === 222; - case 57: - return containingNodeKind === 219 - || containingNodeKind === 188; - case 13: - return containingNodeKind === 190; - case 14: - return containingNodeKind === 198; - case 113: - case 111: - case 112: - return containingNodeKind === 146; - } - switch (previousToken.getText()) { - case "public": - case "protected": - case "private": - return true; - } - } - return false; + } + function isKeyword(token) { + return token >= 71 && token <= 139; + } + function classFromKind(token) { + if (isKeyword(token)) { + return 3; } - function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { - if (contextToken.kind === 9 - || contextToken.kind === 11 - || ts.isTemplateLiteralKind(contextToken.kind)) { - var start_3 = contextToken.getStart(); - var end = contextToken.getEnd(); - if (start_3 < position && position < end) { - return true; - } - if (position === end) { - return !!contextToken.isUnterminated - || contextToken.kind === 11; + else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { + return 5; + } + else if (token >= 16 && token <= 69) { + return 10; + } + switch (token) { + case 8: + return 4; + case 9: + return 6; + case 11: + return 7; + case 7: + case 3: + case 2: + return 1; + case 5: + case 4: + return 8; + case 70: + default: + if (ts.isTemplateLiteralKind(token)) { + return 6; } + return 2; + } + } + return { + getClassificationsForLine: getClassificationsForLine, + getEncodedLexicalClassifications: getEncodedLexicalClassifications + }; + } + ts.createClassifier = createClassifier; + function getSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { + return convertClassifications(getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span)); + } + ts.getSemanticClassifications = getSemanticClassifications; + function checkForClassificationCancellation(cancellationToken, kind) { + switch (kind) { + case 226: + case 222: + case 223: + case 221: + cancellationToken.throwIfCancellationRequested(); + } + } + function getEncodedSemanticClassifications(typeChecker, cancellationToken, sourceFile, classifiableNames, span) { + var result = []; + processNode(sourceFile); + return { spans: result, endOfLineState: 0 }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifySymbol(symbol, meaningAtPosition) { + var flags = symbol.getFlags(); + if ((flags & 788448) === 0) { + return; + } + if (flags & 32) { + return 11; + } + else if (flags & 384) { + return 12; + } + else if (flags & 524288) { + return 16; + } + else if (meaningAtPosition & 2) { + if (flags & 64) { + return 13; + } + else if (flags & 262144) { + return 15; } - return false; } - function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { - isMemberCompletion = true; - var typeForObject; - var existingMembers; - if (objectLikeContainer.kind === 172) { - isNewIdentifierLocation = true; - typeForObject = typeChecker.getContextualType(objectLikeContainer); - typeForObject = typeForObject && typeForObject.getNonNullableType(); - existingMembers = objectLikeContainer.properties; + else if (flags & 1536) { + if (meaningAtPosition & 4 || + (meaningAtPosition & 1 && hasValueSideModule(symbol))) { + return 14; } - else if (objectLikeContainer.kind === 168) { - isNewIdentifierLocation = false; - var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); - if (ts.isVariableLike(rootDeclaration)) { - var canGetType = !!(rootDeclaration.initializer || rootDeclaration.type); - if (!canGetType && rootDeclaration.kind === 143) { - if (ts.isExpression(rootDeclaration.parent)) { - canGetType = !!typeChecker.getContextualType(rootDeclaration.parent); - } - else if (rootDeclaration.parent.kind === 148 || rootDeclaration.parent.kind === 151) { - canGetType = ts.isExpression(rootDeclaration.parent.parent) && !!typeChecker.getContextualType(rootDeclaration.parent.parent); + } + return undefined; + function hasValueSideModule(symbol) { + return ts.forEach(symbol.declarations, function (declaration) { + return declaration.kind === 226 && + ts.getModuleInstanceState(declaration) === 1; + }); + } + } + function processNode(node) { + if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { + var kind = node.kind; + checkForClassificationCancellation(cancellationToken, kind); + if (kind === 70 && !ts.nodeIsMissing(node)) { + var identifier = node; + if (classifiableNames[identifier.text]) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var type = classifySymbol(symbol, ts.getMeaningFromLocation(node)); + if (type) { + pushClassification(node.getStart(), node.getWidth(), type); } } - if (canGetType) { - typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); - existingMembers = objectLikeContainer.elements; - } - } - else { - ts.Debug.fail("Root declaration is not variable-like."); } } - else { - ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); - } - if (!typeForObject) { - return false; + ts.forEachChild(node, processNode); + } + } + } + ts.getEncodedSemanticClassifications = getEncodedSemanticClassifications; + function getClassificationTypeName(type) { + switch (type) { + case 1: return ts.ClassificationTypeNames.comment; + case 2: return ts.ClassificationTypeNames.identifier; + case 3: return ts.ClassificationTypeNames.keyword; + case 4: return ts.ClassificationTypeNames.numericLiteral; + case 5: return ts.ClassificationTypeNames.operator; + case 6: return ts.ClassificationTypeNames.stringLiteral; + case 8: return ts.ClassificationTypeNames.whiteSpace; + case 9: return ts.ClassificationTypeNames.text; + case 10: return ts.ClassificationTypeNames.punctuation; + case 11: return ts.ClassificationTypeNames.className; + case 12: return ts.ClassificationTypeNames.enumName; + case 13: return ts.ClassificationTypeNames.interfaceName; + case 14: return ts.ClassificationTypeNames.moduleName; + case 15: return ts.ClassificationTypeNames.typeParameterName; + case 16: return ts.ClassificationTypeNames.typeAliasName; + case 17: return ts.ClassificationTypeNames.parameterName; + case 18: return ts.ClassificationTypeNames.docCommentTagName; + case 19: return ts.ClassificationTypeNames.jsxOpenTagName; + case 20: return ts.ClassificationTypeNames.jsxCloseTagName; + case 21: return ts.ClassificationTypeNames.jsxSelfClosingTagName; + case 22: return ts.ClassificationTypeNames.jsxAttribute; + case 23: return ts.ClassificationTypeNames.jsxText; + case 24: return ts.ClassificationTypeNames.jsxAttributeStringLiteralValue; + } + } + function convertClassifications(classifications) { + ts.Debug.assert(classifications.spans.length % 3 === 0); + var dense = classifications.spans; + var result = []; + for (var i = 0, n = dense.length; i < n; i += 3) { + result.push({ + textSpan: ts.createTextSpan(dense[i], dense[i + 1]), + classificationType: getClassificationTypeName(dense[i + 2]) + }); + } + return result; + } + function getSyntacticClassifications(cancellationToken, sourceFile, span) { + return convertClassifications(getEncodedSyntacticClassifications(cancellationToken, sourceFile, span)); + } + ts.getSyntacticClassifications = getSyntacticClassifications; + function getEncodedSyntacticClassifications(cancellationToken, sourceFile, span) { + var spanStart = span.start; + var spanLength = span.length; + var triviaScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); + var mergeConflictScanner = ts.createScanner(4, false, sourceFile.languageVariant, sourceFile.text); + var result = []; + processElement(sourceFile); + return { spans: result, endOfLineState: 0 }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifyLeadingTriviaAndGetTokenStart(token) { + triviaScanner.setTextPos(token.pos); + while (true) { + var start = triviaScanner.getTextPos(); + if (!ts.couldStartTrivia(sourceFile.text, start)) { + return start; } - var typeMembers = typeChecker.getPropertiesOfType(typeForObject); - if (typeMembers && typeMembers.length > 0) { - symbols = filterObjectMembersList(typeMembers, existingMembers); + var kind = triviaScanner.scan(); + var end = triviaScanner.getTextPos(); + var width = end - start; + if (!ts.isTrivia(kind)) { + return start; } - return true; - } - function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { - var declarationKind = namedImportsOrExports.kind === 234 ? - 231 : - 237; - var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); - var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; - if (!moduleSpecifier) { - return false; + if (kind === 4 || kind === 5) { + continue; } - isMemberCompletion = true; - isNewIdentifierLocation = false; - var exports; - var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); - if (moduleSpecifierSymbol) { - exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); + if (ts.isComment(kind)) { + classifyComment(token, kind, start, width); + triviaScanner.setTextPos(end); + continue; } - symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : ts.emptyArray; - return true; - } - function tryGetObjectLikeCompletionContainer(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 16: - case 25: - var parent_18 = contextToken.parent; - if (parent_18 && (parent_18.kind === 172 || parent_18.kind === 168)) { - return parent_18; - } - break; + if (kind === 7) { + var text = sourceFile.text; + var ch = text.charCodeAt(start); + if (ch === 60 || ch === 62) { + pushClassification(start, width, 1); + continue; } + ts.Debug.assert(ch === 61); + classifyDisabledMergeCode(text, start, end); } - return undefined; } - function tryGetNamedImportsOrExportsForCompletion(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 16: - case 25: - switch (contextToken.parent.kind) { - case 234: - case 238: - return contextToken.parent; - } - } + } + function classifyComment(token, kind, start, width) { + if (kind === 3) { + var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); + if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDoc) { + docCommentAndDiagnostics.jsDoc.parent = token; + classifyJSDocComment(docCommentAndDiagnostics.jsDoc); + return; } - return undefined; } - function tryGetContainingJsxElement(contextToken) { - if (contextToken) { - var parent_19 = contextToken.parent; - switch (contextToken.kind) { - case 27: - case 40: - case 70: - case 246: - case 247: - if (parent_19 && (parent_19.kind === 243 || parent_19.kind === 244)) { - return parent_19; - } - else if (parent_19.kind === 246) { - return parent_19.parent; - } + pushCommentRange(start, width); + } + function pushCommentRange(start, width) { + pushClassification(start, width, 1); + } + function classifyJSDocComment(docComment) { + var pos = docComment.pos; + if (docComment.tags) { + for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.pos !== pos) { + pushCommentRange(pos, tag.pos - pos); + } + pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10); + pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18); + pos = tag.tagName.end; + switch (tag.kind) { + case 275: + processJSDocParameterTag(tag); break; - case 9: - if (parent_19 && ((parent_19.kind === 246) || (parent_19.kind === 247))) { - return parent_19.parent; - } + case 278: + processJSDocTemplateTag(tag); break; - case 17: - if (parent_19 && - parent_19.kind === 248 && - parent_19.parent && - (parent_19.parent.kind === 246)) { - return parent_19.parent.parent; - } - if (parent_19 && parent_19.kind === 247) { - return parent_19.parent; - } + case 277: + processElement(tag.typeExpression); + break; + case 276: + processElement(tag.typeExpression); break; } + pos = tag.end; } - return undefined; } - function isFunction(kind) { - switch (kind) { - case 180: - case 181: - case 221: - case 148: - case 147: - case 150: - case 151: - case 152: - case 153: - case 154: - return true; - } - return false; + if (pos !== docComment.end) { + pushCommentRange(pos, docComment.end - pos); } - function isSolelyIdentifierDefinitionLocation(contextToken) { - var containingNodeKind = contextToken.parent.kind; - switch (contextToken.kind) { - case 25: - return containingNodeKind === 219 || - containingNodeKind === 220 || - containingNodeKind === 201 || - containingNodeKind === 225 || - isFunction(containingNodeKind) || - containingNodeKind === 222 || - containingNodeKind === 193 || - containingNodeKind === 223 || - containingNodeKind === 169 || - containingNodeKind === 224; - case 22: - return containingNodeKind === 169; - case 55: - return containingNodeKind === 170; - case 20: - return containingNodeKind === 169; - case 18: - return containingNodeKind === 252 || - isFunction(containingNodeKind); - case 16: - return containingNodeKind === 225 || - containingNodeKind === 223 || - containingNodeKind === 160; - case 24: - return containingNodeKind === 145 && - contextToken.parent && contextToken.parent.parent && - (contextToken.parent.parent.kind === 223 || - contextToken.parent.parent.kind === 160); - case 26: - return containingNodeKind === 222 || - containingNodeKind === 193 || - containingNodeKind === 223 || - containingNodeKind === 224 || - isFunction(containingNodeKind); - case 114: - return containingNodeKind === 146; - case 23: - return containingNodeKind === 143 || - (contextToken.parent && contextToken.parent.parent && - contextToken.parent.parent.kind === 169); - case 113: - case 111: - case 112: - return containingNodeKind === 143; - case 117: - return containingNodeKind === 235 || - containingNodeKind === 239 || - containingNodeKind === 233; - case 74: - case 82: - case 108: - case 88: - case 103: - case 124: - case 132: - case 90: - case 109: - case 75: - case 115: - case 135: - return true; + return; + function processJSDocParameterTag(tag) { + if (tag.preParameterName) { + pushCommentRange(pos, tag.preParameterName.pos - pos); + pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17); + pos = tag.preParameterName.end; } - switch (contextToken.getText()) { - case "abstract": - case "async": - case "class": - case "const": - case "declare": - case "enum": - case "function": - case "interface": - case "let": - case "private": - case "protected": - case "public": - case "static": - case "var": - case "yield": - return true; + if (tag.typeExpression) { + pushCommentRange(pos, tag.typeExpression.pos - pos); + processElement(tag.typeExpression); + pos = tag.typeExpression.end; + } + if (tag.postParameterName) { + pushCommentRange(pos, tag.postParameterName.pos - pos); + pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17); + pos = tag.postParameterName.end; } - return false; } - function isDotOfNumericLiteral(contextToken) { - if (contextToken.kind === 8) { - var text = contextToken.getFullText(); - return text.charAt(text.length - 1) === "."; + } + function processJSDocTemplateTag(tag) { + for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { + var child = _a[_i]; + processElement(child); + } + } + function classifyDisabledMergeCode(text, start, end) { + var i; + for (i = start; i < end; i++) { + if (ts.isLineBreak(text.charCodeAt(i))) { + break; } + } + pushClassification(start, i - start, 1); + mergeConflictScanner.setTextPos(i); + while (mergeConflictScanner.getTextPos() < end) { + classifyDisabledCodeToken(); + } + } + function classifyDisabledCodeToken() { + var start = mergeConflictScanner.getTextPos(); + var tokenKind = mergeConflictScanner.scan(); + var end = mergeConflictScanner.getTextPos(); + var type = classifyTokenType(tokenKind); + if (type) { + pushClassification(start, end - start, type); + } + } + function tryClassifyNode(node) { + if (ts.isJSDocTag(node)) { + return true; + } + if (ts.nodeIsMissing(node)) { + return true; + } + var classifiedElementName = tryClassifyJsxElementName(node); + if (!ts.isToken(node) && node.kind !== 10 && classifiedElementName === undefined) { return false; } - function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { - var existingImportsOrExports = ts.createMap(); - for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { - var element = namedImportsOrExports_1[_i]; - if (element.getStart() <= position && position <= element.getEnd()) { - continue; - } - var name_47 = element.propertyName || element.name; - existingImportsOrExports[name_47.text] = true; - } - if (!ts.someProperties(existingImportsOrExports)) { - return ts.filter(exportsOfModule, function (e) { return e.name !== "default"; }); + var tokenStart = node.kind === 10 ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); + var tokenWidth = node.end - tokenStart; + ts.Debug.assert(tokenWidth >= 0); + if (tokenWidth > 0) { + var type = classifiedElementName || classifyTokenType(node.kind, node); + if (type) { + pushClassification(tokenStart, tokenWidth, type); } - return ts.filter(exportsOfModule, function (e) { return e.name !== "default" && !existingImportsOrExports[e.name]; }); } - function filterObjectMembersList(contextualMemberSymbols, existingMembers) { - if (!existingMembers || existingMembers.length === 0) { - return contextualMemberSymbols; - } - var existingMemberNames = ts.createMap(); - for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { - var m = existingMembers_1[_i]; - if (m.kind !== 253 && - m.kind !== 254 && - m.kind !== 170 && - m.kind !== 148) { - continue; + return true; + } + function tryClassifyJsxElementName(token) { + switch (token.parent && token.parent.kind) { + case 244: + if (token.parent.tagName === token) { + return 19; } - if (m.getStart() <= position && position <= m.getEnd()) { - continue; + break; + case 245: + if (token.parent.tagName === token) { + return 20; } - var existingName = void 0; - if (m.kind === 170 && m.propertyName) { - if (m.propertyName.kind === 70) { - existingName = m.propertyName.text; - } + break; + case 243: + if (token.parent.tagName === token) { + return 21; } - else { - existingName = m.name.text; + break; + case 246: + if (token.parent.name === token) { + return 22; } - existingMemberNames[existingName] = true; + break; + } + return undefined; + } + function classifyTokenType(tokenKind, token) { + if (ts.isKeyword(tokenKind)) { + return 3; + } + if (tokenKind === 26 || tokenKind === 28) { + if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { + return 10; } - return ts.filter(contextualMemberSymbols, function (m) { return !existingMemberNames[m.name]; }); } - function filterJsxAttributes(symbols, attributes) { - var seenNames = ts.createMap(); - for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { - var attr = attributes_1[_i]; - if (attr.getStart() <= position && position <= attr.getEnd()) { - continue; + if (ts.isPunctuation(tokenKind)) { + if (token) { + if (tokenKind === 57) { + if (token.parent.kind === 219 || + token.parent.kind === 146 || + token.parent.kind === 143 || + token.parent.kind === 246) { + return 5; + } } - if (attr.kind === 246) { - seenNames[attr.name.text] = true; + if (token.parent.kind === 188 || + token.parent.kind === 186 || + token.parent.kind === 187 || + token.parent.kind === 189) { + return 5; } } - return ts.filter(symbols, function (a) { return !seenNames[a.name]; }); + return 10; + } + else if (tokenKind === 8) { + return 4; + } + else if (tokenKind === 9) { + return token.parent.kind === 246 ? 24 : 6; + } + else if (tokenKind === 11) { + return 6; + } + else if (ts.isTemplateLiteralKind(tokenKind)) { + return 6; + } + else if (tokenKind === 10) { + return 23; + } + else if (tokenKind === 70) { + if (token) { + switch (token.parent.kind) { + case 222: + if (token.parent.name === token) { + return 11; + } + return; + case 142: + if (token.parent.name === token) { + return 15; + } + return; + case 223: + if (token.parent.name === token) { + return 13; + } + return; + case 225: + if (token.parent.name === token) { + return 12; + } + return; + case 226: + if (token.parent.name === token) { + return 14; + } + return; + case 143: + if (token.parent.name === token) { + return ts.isThisIdentifier(token) ? 3 : 17; + } + return; + } + } + return 2; } } - function getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, target, performCharacterChecks, location) { - var displayName = ts.getDeclaredName(typeChecker, symbol, location); - if (displayName) { - var firstCharCode = displayName.charCodeAt(0); - if ((symbol.flags & 1920) && (firstCharCode === 39 || firstCharCode === 34)) { - return undefined; + function processElement(element) { + if (!element) { + return; + } + if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { + checkForClassificationCancellation(cancellationToken, element.kind); + var children = element.getChildren(sourceFile); + for (var i = 0, n = children.length; i < n; i++) { + var child = children[i]; + if (!tryClassifyNode(child)) { + processElement(child); + } } } - return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); } - function getCompletionEntryDisplayName(name, target, performCharacterChecks) { - if (!name) { - return undefined; + } + ts.getEncodedSyntacticClassifications = getEncodedSyntacticClassifications; +})(ts || (ts = {})); +var ts; +(function (ts) { + var Completions; + (function (Completions) { + function getCompletionsAtPosition(host, typeChecker, log, compilerOptions, sourceFile, position) { + if (ts.isInReferenceComment(sourceFile, position)) { + return getTripleSlashReferenceCompletion(sourceFile, position); } - name = ts.stripQuotes(name); - if (!name) { + if (ts.isInString(sourceFile, position)) { + return getStringLiteralCompletionEntries(sourceFile, position); + } + var completionData = getCompletionData(typeChecker, log, sourceFile, position); + if (!completionData) { return undefined; } - if (performCharacterChecks) { - if (!ts.isIdentifierText(name, target)) { - return undefined; - } + var symbols = completionData.symbols, isGlobalCompletion = completionData.isGlobalCompletion, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; + if (isJsDocTagName) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: ts.JsDoc.getAllJsDocCompletionEntries() }; } - return name; - } - var keywordCompletions = []; - for (var i = 71; i <= 139; i++) { - keywordCompletions.push({ - name: ts.tokenToString(i), - kind: ts.ScriptElementKind.keyword, - kindModifiers: ts.ScriptElementKindModifier.none, - sortText: "0" - }); - } - var tripleSlashDirectiveFragmentRegex = /^(\/\/\/\s* argumentInfo.argumentIndex) { + var parameter = candidate.parameters[argumentInfo.argumentIndex]; + addStringLiteralCompletionsFromType(typeChecker.getTypeAtLocation(parameter.valueDeclaration), entries); } } - function ownsBreakOrContinueStatement(owner, statement) { - var actualOwner = getBreakOrContinueOwner(statement); - return actualOwner && actualOwner === owner; + if (entries.length) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: true, entries: entries }; } - function getBreakOrContinueOwner(statement) { - for (var node_1 = statement.parent; node_1; node_1 = node_1.parent) { - switch (node_1.kind) { - case 214: - if (statement.kind === 210) { - continue; - } - case 207: - case 208: - case 209: - case 206: - case 205: - if (!statement.label || isLabeledBy(node_1, statement.label.text)) { - return node_1; - } - break; - default: - if (ts.isFunctionLike(node_1)) { - return undefined; - } - break; - } + return undefined; + } + function getStringLiteralCompletionEntriesFromElementAccess(node) { + var type = typeChecker.getTypeAtLocation(node.expression); + var entries = []; + if (type) { + getCompletionEntriesFromSymbols(type.getApparentProperties(), entries, node, false); + if (entries.length) { + return { isGlobalCompletion: false, isMemberCompletion: true, isNewIdentifierLocation: true, entries: entries }; } - return undefined; } - function getModifierOccurrences(modifier, declaration) { - var container = declaration.parent; - if (ts.isAccessibilityModifier(modifier)) { - if (!(container.kind === 222 || - container.kind === 193 || - (declaration.kind === 143 && hasKind(container, 149)))) { - return undefined; - } - } - else if (modifier === 114) { - if (!(container.kind === 222 || container.kind === 193)) { - return undefined; - } + return undefined; + } + function getStringLiteralCompletionEntriesFromContextualType(node) { + var type = typeChecker.getContextualType(node); + if (type) { + var entries_2 = []; + addStringLiteralCompletionsFromType(type, entries_2); + if (entries_2.length) { + return { isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, entries: entries_2 }; } - else if (modifier === 83 || modifier === 123) { - if (!(container.kind === 227 || container.kind === 256)) { - return undefined; - } + } + return undefined; + } + function addStringLiteralCompletionsFromType(type, result) { + if (!type) { + return; + } + if (type.flags & 65536) { + ts.forEach(type.types, function (t) { return addStringLiteralCompletionsFromType(t, result); }); + } + else { + if (type.flags & 32) { + result.push({ + name: type.text, + kindModifiers: ts.ScriptElementKindModifier.none, + kind: ts.ScriptElementKind.variableElement, + sortText: "0" + }); } - else if (modifier === 116) { - if (!(container.kind === 222 || declaration.kind === 222)) { - return undefined; - } + } + } + function getStringLiteralCompletionEntriesFromModuleNames(node) { + var literalValue = ts.normalizeSlashes(node.text); + var scriptPath = node.getSourceFile().path; + var scriptDirectory = ts.getDirectoryPath(scriptPath); + var span = getDirectoryFragmentTextSpan(node.text, node.getStart() + 1); + var entries; + if (isPathRelativeToScript(literalValue) || ts.isRootedDiskPath(literalValue)) { + if (compilerOptions.rootDirs) { + entries = getCompletionEntriesForDirectoryFragmentWithRootDirs(compilerOptions.rootDirs, literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); } else { - return undefined; + entries = getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, ts.getSupportedExtensions(compilerOptions), false, span, scriptPath); } - var keywords = []; - var modifierFlag = getFlagFromModifier(modifier); - var nodes; - switch (container.kind) { - case 227: - case 256: - if (modifierFlag & 128) { - nodes = declaration.members.concat(declaration); - } - else { - nodes = container.statements; - } - break; - case 149: - nodes = container.parameters.concat(container.parent.members); - break; - case 222: - case 193: - nodes = container.members; - if (modifierFlag & 28) { - var constructor = ts.forEach(container.members, function (member) { - return member.kind === 149 && member; - }); - if (constructor) { - nodes = nodes.concat(constructor.parameters); - } + } + else { + entries = getCompletionEntriesForNonRelativeModules(literalValue, scriptDirectory, span); + } + return { + isGlobalCompletion: false, + isMemberCompletion: false, + isNewIdentifierLocation: true, + entries: entries + }; + } + function getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase) { + rootDirs = ts.map(rootDirs, function (rootDirectory) { return ts.normalizePath(ts.isRootedDiskPath(rootDirectory) ? rootDirectory : ts.combinePaths(basePath, rootDirectory)); }); + var relativeDirectory; + for (var _i = 0, rootDirs_1 = rootDirs; _i < rootDirs_1.length; _i++) { + var rootDirectory = rootDirs_1[_i]; + if (ts.containsPath(rootDirectory, scriptPath, basePath, ignoreCase)) { + relativeDirectory = scriptPath.substr(rootDirectory.length); + break; + } + } + return ts.deduplicate(ts.map(rootDirs, function (rootDirectory) { return ts.combinePaths(rootDirectory, relativeDirectory); })); + } + function getCompletionEntriesForDirectoryFragmentWithRootDirs(rootDirs, fragment, scriptPath, extensions, includeExtensions, span, exclude) { + var basePath = compilerOptions.project || host.getCurrentDirectory(); + var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); + var baseDirectories = getBaseDirectoriesFromRootDirs(rootDirs, basePath, scriptPath, ignoreCase); + var result = []; + for (var _i = 0, baseDirectories_1 = baseDirectories; _i < baseDirectories_1.length; _i++) { + var baseDirectory = baseDirectories_1[_i]; + getCompletionEntriesForDirectoryFragment(fragment, baseDirectory, extensions, includeExtensions, span, exclude, result); + } + return result; + } + function getCompletionEntriesForDirectoryFragment(fragment, scriptPath, extensions, includeExtensions, span, exclude, result) { + if (result === void 0) { result = []; } + if (fragment === undefined) { + fragment = ""; + } + fragment = ts.normalizeSlashes(fragment); + fragment = ts.getDirectoryPath(fragment); + if (fragment === "") { + fragment = "." + ts.directorySeparator; + } + fragment = ts.ensureTrailingDirectorySeparator(fragment); + var absolutePath = normalizeAndPreserveTrailingSlash(ts.isRootedDiskPath(fragment) ? fragment : ts.combinePaths(scriptPath, fragment)); + var baseDirectory = ts.getDirectoryPath(absolutePath); + var ignoreCase = !(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames()); + if (tryDirectoryExists(host, baseDirectory)) { + var files = tryReadDirectory(host, baseDirectory, extensions, undefined, ["./*"]); + if (files) { + var foundFiles = ts.createMap(); + for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { + var filePath = files_3[_i]; + filePath = ts.normalizePath(filePath); + if (exclude && ts.comparePaths(filePath, exclude, scriptPath, ignoreCase) === 0) { + continue; } - else if (modifierFlag & 128) { - nodes = nodes.concat(container); + var foundFileName = includeExtensions ? ts.getBaseFileName(filePath) : ts.removeFileExtension(ts.getBaseFileName(filePath)); + if (!foundFiles[foundFileName]) { + foundFiles[foundFileName] = true; } - break; - default: - ts.Debug.fail("Invalid container kind."); + } + for (var foundFile in foundFiles) { + result.push(createCompletionEntryForModule(foundFile, ts.ScriptElementKind.scriptElement, span)); + } } - ts.forEach(nodes, function (node) { - if (ts.getModifierFlags(node) & modifierFlag) { - ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); + var directories = tryGetDirectories(host, baseDirectory); + if (directories) { + for (var _a = 0, directories_2 = directories; _a < directories_2.length; _a++) { + var directory = directories_2[_a]; + var directoryName = ts.getBaseFileName(ts.normalizePath(directory)); + result.push(createCompletionEntryForModule(directoryName, ts.ScriptElementKind.directory, span)); } - }); - return ts.map(keywords, getHighlightSpanForNode); - function getFlagFromModifier(modifier) { - switch (modifier) { - case 113: - return 4; - case 111: - return 8; - case 112: - return 16; - case 114: - return 32; - case 83: - return 1; - case 123: - return 2; - case 116: - return 128; - default: - ts.Debug.fail(); + } + } + return result; + } + function getCompletionEntriesForNonRelativeModules(fragment, scriptPath, span) { + var baseUrl = compilerOptions.baseUrl, paths = compilerOptions.paths; + var result; + if (baseUrl) { + var fileExtensions = ts.getSupportedExtensions(compilerOptions); + var projectDir = compilerOptions.project || host.getCurrentDirectory(); + var absolute = ts.isRootedDiskPath(baseUrl) ? baseUrl : ts.combinePaths(projectDir, baseUrl); + result = getCompletionEntriesForDirectoryFragment(fragment, ts.normalizePath(absolute), fileExtensions, false, span); + if (paths) { + for (var path in paths) { + if (paths.hasOwnProperty(path)) { + if (path === "*") { + if (paths[path]) { + for (var _i = 0, _a = paths[path]; _i < _a.length; _i++) { + var pattern = _a[_i]; + for (var _b = 0, _c = getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions); _b < _c.length; _b++) { + var match = _c[_b]; + result.push(createCompletionEntryForModule(match, ts.ScriptElementKind.externalModuleName, span)); + } + } + } + } + else if (ts.startsWith(path, fragment)) { + var entry = paths[path] && paths[path].length === 1 && paths[path][0]; + if (entry) { + result.push(createCompletionEntryForModule(path, ts.ScriptElementKind.externalModuleName, span)); + } + } + } } } } - function pushKeywordIf(keywordList, token) { - var expected = []; - for (var _i = 2; _i < arguments.length; _i++) { - expected[_i - 2] = arguments[_i]; - } - if (token && ts.contains(expected, token.kind)) { - keywordList.push(token); - return true; - } - return false; - } - function getGetAndSetOccurrences(accessorDeclaration) { - var keywords = []; - tryPushAccessorKeyword(accessorDeclaration.symbol, 150); - tryPushAccessorKeyword(accessorDeclaration.symbol, 151); - return ts.map(keywords, getHighlightSpanForNode); - function tryPushAccessorKeyword(accessorSymbol, accessorKind) { - var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); - if (accessor) { - ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 124, 132); }); - } - } + else { + result = []; } - function getConstructorOccurrences(constructorDeclaration) { - var declarations = constructorDeclaration.symbol.getDeclarations(); - var keywords = []; - ts.forEach(declarations, function (declaration) { - ts.forEach(declaration.getChildren(), function (token) { - return pushKeywordIf(keywords, token, 122); - }); - }); - return ts.map(keywords, getHighlightSpanForNode); + getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span, result); + for (var _d = 0, _e = enumeratePotentialNonRelativeModules(fragment, scriptPath, compilerOptions); _d < _e.length; _d++) { + var moduleName = _e[_d]; + result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); } - function getLoopBreakContinueOccurrences(loopNode) { - var keywords = []; - if (pushKeywordIf(keywords, loopNode.getFirstToken(), 87, 105, 80)) { - if (loopNode.kind === 205) { - var loopTokens = loopNode.getChildren(); - for (var i = loopTokens.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, loopTokens[i], 105)) { - break; + return result; + } + function getModulesForPathsPattern(fragment, baseUrl, pattern, fileExtensions) { + if (host.readDirectory) { + var parsed = ts.hasZeroOrOneAsteriskCharacter(pattern) ? ts.tryParsePattern(pattern) : undefined; + if (parsed) { + var normalizedPrefix = normalizeAndPreserveTrailingSlash(parsed.prefix); + var normalizedPrefixDirectory = ts.getDirectoryPath(normalizedPrefix); + var normalizedPrefixBase = ts.getBaseFileName(normalizedPrefix); + var fragmentHasPath = fragment.indexOf(ts.directorySeparator) !== -1; + var expandedPrefixDirectory = fragmentHasPath ? ts.combinePaths(normalizedPrefixDirectory, normalizedPrefixBase + ts.getDirectoryPath(fragment)) : normalizedPrefixDirectory; + var normalizedSuffix = ts.normalizePath(parsed.suffix); + var baseDirectory = ts.combinePaths(baseUrl, expandedPrefixDirectory); + var completePrefix = fragmentHasPath ? baseDirectory : ts.ensureTrailingDirectorySeparator(baseDirectory) + normalizedPrefixBase; + var includeGlob = normalizedSuffix ? "**/*" : "./*"; + var matches = tryReadDirectory(host, baseDirectory, fileExtensions, undefined, [includeGlob]); + if (matches) { + var result = []; + for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { + var match = matches_1[_i]; + var normalizedMatch = ts.normalizePath(match); + if (!ts.endsWith(normalizedMatch, normalizedSuffix) || !ts.startsWith(normalizedMatch, completePrefix)) { + continue; } + var start = completePrefix.length; + var length_5 = normalizedMatch.length - start - normalizedSuffix.length; + result.push(ts.removeFileExtension(normalizedMatch.substr(start, length_5))); } + return result; } } - var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(loopNode, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 71, 76); + } + return undefined; + } + function enumeratePotentialNonRelativeModules(fragment, scriptPath, options) { + var isNestedModule = fragment.indexOf(ts.directorySeparator) !== -1; + var moduleNameFragment = isNestedModule ? fragment.substr(0, fragment.lastIndexOf(ts.directorySeparator)) : undefined; + var ambientModules = ts.map(typeChecker.getAmbientModules(), function (sym) { return ts.stripQuotes(sym.name); }); + var nonRelativeModules = ts.filter(ambientModules, function (moduleName) { return ts.startsWith(moduleName, fragment); }); + if (isNestedModule) { + var moduleNameWithSeperator_1 = ts.ensureTrailingDirectorySeparator(moduleNameFragment); + nonRelativeModules = ts.map(nonRelativeModules, function (moduleName) { + if (ts.startsWith(fragment, moduleNameWithSeperator_1)) { + return moduleName.substr(moduleNameWithSeperator_1.length); } + return moduleName; }); - return ts.map(keywords, getHighlightSpanForNode); } - function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { - var owner = getBreakOrContinueOwner(breakOrContinueStatement); - if (owner) { - switch (owner.kind) { - case 207: - case 208: - case 209: - case 205: - case 206: - return getLoopBreakContinueOccurrences(owner); - case 214: - return getSwitchCaseDefaultOccurrences(owner); + if (!options.moduleResolution || options.moduleResolution === ts.ModuleResolutionKind.NodeJs) { + for (var _i = 0, _a = enumerateNodeModulesVisibleToScript(host, scriptPath); _i < _a.length; _i++) { + var visibleModule = _a[_i]; + if (!isNestedModule) { + nonRelativeModules.push(visibleModule.moduleName); + } + else if (ts.startsWith(visibleModule.moduleName, moduleNameFragment)) { + var nestedFiles = tryReadDirectory(host, visibleModule.moduleDir, ts.supportedTypeScriptExtensions, undefined, ["./*"]); + if (nestedFiles) { + for (var _b = 0, nestedFiles_1 = nestedFiles; _b < nestedFiles_1.length; _b++) { + var f = nestedFiles_1[_b]; + f = ts.normalizePath(f); + var nestedModule = ts.removeFileExtension(ts.getBaseFileName(f)); + nonRelativeModules.push(nestedModule); + } + } } } + } + return ts.deduplicate(nonRelativeModules); + } + function getTripleSlashReferenceCompletion(sourceFile, position) { + var token = ts.getTokenAtPosition(sourceFile, position); + if (!token) { return undefined; } - function getSwitchCaseDefaultOccurrences(switchStatement) { - var keywords = []; - pushKeywordIf(keywords, switchStatement.getFirstToken(), 97); - ts.forEach(switchStatement.caseBlock.clauses, function (clause) { - pushKeywordIf(keywords, clause.getFirstToken(), 72, 78); - var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(switchStatement, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 71); - } - }); - }); - return ts.map(keywords, getHighlightSpanForNode); + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + if (!commentRanges || !commentRanges.length) { + return undefined; } - function getTryCatchFinallyOccurrences(tryStatement) { - var keywords = []; - pushKeywordIf(keywords, tryStatement.getFirstToken(), 101); - if (tryStatement.catchClause) { - pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 73); + var range = ts.forEach(commentRanges, function (commentRange) { return position >= commentRange.pos && position <= commentRange.end && commentRange; }); + if (!range) { + return undefined; + } + var completionInfo = { + isGlobalCompletion: false, + isMemberCompletion: false, + isNewIdentifierLocation: true, + entries: [] + }; + var text = sourceFile.text.substr(range.pos, position - range.pos); + var match = tripleSlashDirectiveFragmentRegex.exec(text); + if (match) { + var prefix = match[1]; + var kind = match[2]; + var toComplete = match[3]; + var scriptPath = ts.getDirectoryPath(sourceFile.path); + if (kind === "path") { + var span_10 = getDirectoryFragmentTextSpan(toComplete, range.pos + prefix.length); + completionInfo.entries = getCompletionEntriesForDirectoryFragment(toComplete, scriptPath, ts.getSupportedExtensions(compilerOptions), true, span_10, sourceFile.path); } - if (tryStatement.finallyBlock) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); - pushKeywordIf(keywords, finallyKeyword, 86); + else { + var span_11 = { start: range.pos + prefix.length, length: match[0].length - prefix.length }; + completionInfo.entries = getCompletionEntriesFromTypings(host, compilerOptions, scriptPath, span_11); } - return ts.map(keywords, getHighlightSpanForNode); } - function getThrowOccurrences(throwStatement) { - var owner = getThrowStatementOwner(throwStatement); - if (!owner) { - return undefined; - } - var keywords = []; - ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); - }); - if (ts.isFunctionBlock(owner)) { - ts.forEachReturnStatement(owner, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); - }); + return completionInfo; + } + function getCompletionEntriesFromTypings(host, options, scriptPath, span, result) { + if (result === void 0) { result = []; } + if (options.types) { + for (var _i = 0, _a = options.types; _i < _a.length; _i++) { + var moduleName = _a[_i]; + result.push(createCompletionEntryForModule(moduleName, ts.ScriptElementKind.externalModuleName, span)); } - return ts.map(keywords, getHighlightSpanForNode); } - function getReturnOccurrences(returnStatement) { - var func = ts.getContainingFunction(returnStatement); - if (!(func && hasKind(func.body, 200))) { - return undefined; + else if (host.getDirectories) { + var typeRoots = void 0; + try { + typeRoots = ts.getEffectiveTypeRoots(options, host); + } + catch (e) { } + if (typeRoots) { + for (var _b = 0, typeRoots_2 = typeRoots; _b < typeRoots_2.length; _b++) { + var root = typeRoots_2[_b]; + getCompletionEntriesFromDirectories(host, root, span, result); + } } - var keywords = []; - ts.forEachReturnStatement(func.body, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); - }); - ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); - }); - return ts.map(keywords, getHighlightSpanForNode); } - function getIfElseOccurrences(ifStatement) { - var keywords = []; - while (hasKind(ifStatement.parent, 204) && ifStatement.parent.elseStatement === ifStatement) { - ifStatement = ifStatement.parent; + if (host.getDirectories) { + for (var _c = 0, _d = findPackageJsons(scriptPath); _c < _d.length; _c++) { + var packageJson = _d[_c]; + var typesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules/@types"); + getCompletionEntriesFromDirectories(host, typesDir, span, result); } - while (ifStatement) { - var children = ifStatement.getChildren(); - pushKeywordIf(keywords, children[0], 89); - for (var i = children.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, children[i], 81)) { - break; - } + } + return result; + } + function getCompletionEntriesFromDirectories(host, directory, span, result) { + if (host.getDirectories && tryDirectoryExists(host, directory)) { + var directories = tryGetDirectories(host, directory); + if (directories) { + for (var _i = 0, directories_3 = directories; _i < directories_3.length; _i++) { + var typeDirectory = directories_3[_i]; + typeDirectory = ts.normalizePath(typeDirectory); + result.push(createCompletionEntryForModule(ts.getBaseFileName(typeDirectory), ts.ScriptElementKind.externalModuleName, span)); } - if (!hasKind(ifStatement.elseStatement, 204)) { + } + } + } + function findPackageJsons(currentDir) { + var paths = []; + var currentConfigPath; + while (true) { + currentConfigPath = ts.findConfigFile(currentDir, function (f) { return tryFileExists(host, f); }, "package.json"); + if (currentConfigPath) { + paths.push(currentConfigPath); + currentDir = ts.getDirectoryPath(currentConfigPath); + var parent_16 = ts.getDirectoryPath(currentDir); + if (currentDir === parent_16) { break; } - ifStatement = ifStatement.elseStatement; + currentDir = parent_16; } - var result = []; - for (var i = 0; i < keywords.length; i++) { - if (keywords[i].kind === 81 && i < keywords.length - 1) { - var elseKeyword = keywords[i]; - var ifKeyword = keywords[i + 1]; - var shouldCombindElseAndIf = true; - for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { - if (!ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(j))) { - shouldCombindElseAndIf = false; - break; - } - } - if (shouldCombindElseAndIf) { - result.push({ - fileName: fileName, - textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), - kind: ts.HighlightSpanKind.reference - }); - i++; - continue; - } - } - result.push(getHighlightSpanForNode(keywords[i])); + else { + break; } - return result; } + return paths; } - } - DocumentHighlights.getDocumentHighlights = getDocumentHighlights; - function isLabeledBy(node, labelName) { - for (var owner = node.parent; owner.kind === 215; owner = owner.parent) { - if (owner.label.text === labelName) { - return true; + function enumerateNodeModulesVisibleToScript(host, scriptPath) { + var result = []; + if (host.readFile && host.fileExists) { + for (var _i = 0, _a = findPackageJsons(scriptPath); _i < _a.length; _i++) { + var packageJson = _a[_i]; + var contents = tryReadingPackageJson(packageJson); + if (!contents) { + return; + } + var nodeModulesDir = ts.combinePaths(ts.getDirectoryPath(packageJson), "node_modules"); + var foundModuleNames = []; + for (var _b = 0, nodeModulesDependencyKeys_1 = nodeModulesDependencyKeys; _b < nodeModulesDependencyKeys_1.length; _b++) { + var key = nodeModulesDependencyKeys_1[_b]; + addPotentialPackageNames(contents[key], foundModuleNames); + } + for (var _c = 0, foundModuleNames_1 = foundModuleNames; _c < foundModuleNames_1.length; _c++) { + var moduleName = foundModuleNames_1[_c]; + var moduleDir = ts.combinePaths(nodeModulesDir, moduleName); + result.push({ + moduleName: moduleName, + moduleDir: moduleDir + }); + } + } + } + return result; + function tryReadingPackageJson(filePath) { + try { + var fileText = tryReadFile(host, filePath); + return fileText ? JSON.parse(fileText) : undefined; + } + catch (e) { + return undefined; + } + } + function addPotentialPackageNames(dependencies, result) { + if (dependencies) { + for (var dep in dependencies) { + if (dependencies.hasOwnProperty(dep) && !ts.startsWith(dep, "@types/")) { + result.push(dep); + } + } + } } } - return false; - } - })(DocumentHighlights = ts.DocumentHighlights || (ts.DocumentHighlights = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { - if (currentDirectory === void 0) { currentDirectory = ""; } - var buckets = ts.createMap(); - var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); - function getKeyForCompilationSettings(settings) { - return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + "|" + settings.allowJs + "|" + settings.baseUrl + "|" + JSON.stringify(settings.typeRoots) + "|" + JSON.stringify(settings.rootDirs) + "|" + JSON.stringify(settings.paths); - } - function getBucketForCompilationSettings(key, createIfMissing) { - var bucket = buckets[key]; - if (!bucket && createIfMissing) { - buckets[key] = bucket = ts.createFileMap(); + function createCompletionEntryForModule(name, kind, replacementSpan) { + return { name: name, kind: kind, kindModifiers: ts.ScriptElementKindModifier.none, sortText: name, replacementSpan: replacementSpan }; } - return bucket; - } - function reportStats() { - var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { - var entries = buckets[name]; - var sourceFiles = []; - entries.forEachValue(function (key, entry) { - sourceFiles.push({ - name: key, - refCount: entry.languageServiceRefCount, - references: entry.owners.slice(0) - }); - }); - sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); - return { - bucket: name, - sourceFiles: sourceFiles - }; - }); - return JSON.stringify(bucketInfoArray, undefined, 2); - } - function acquireDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var key = getKeyForCompilationSettings(compilationSettings); - return acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); - } - function acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { - return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, true, scriptKind); - } - function updateDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var key = getKeyForCompilationSettings(compilationSettings); - return updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); - } - function updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { - return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, false, scriptKind); - } - function acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, acquiring, scriptKind) { - var bucket = getBucketForCompilationSettings(key, true); - var entry = bucket.get(path); - if (!entry) { - ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); - var sourceFile = ts.createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, false, scriptKind); - entry = { - sourceFile: sourceFile, - languageServiceRefCount: 0, - owners: [] - }; - bucket.set(path, entry); + function getDirectoryFragmentTextSpan(text, textStart) { + var index = text.lastIndexOf(ts.directorySeparator); + var offset = index !== -1 ? index + 1 : 0; + return { start: textStart + offset, length: text.length - offset }; } - else { - if (entry.sourceFile.version !== version) { - entry.sourceFile = ts.updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); + function isPathRelativeToScript(path) { + if (path && path.length >= 2 && path.charCodeAt(0) === 46) { + var slashIndex = path.length >= 3 && path.charCodeAt(1) === 46 ? 2 : 1; + var slashCharCode = path.charCodeAt(slashIndex); + return slashCharCode === 47 || slashCharCode === 92; } + return false; } - if (acquiring) { - entry.languageServiceRefCount++; + function normalizeAndPreserveTrailingSlash(path) { + return ts.hasTrailingDirectorySeparator(path) ? ts.ensureTrailingDirectorySeparator(ts.normalizePath(path)) : ts.normalizePath(path); } - return entry.sourceFile; - } - function releaseDocument(fileName, compilationSettings) { - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var key = getKeyForCompilationSettings(compilationSettings); - return releaseDocumentWithKey(path, key); } - function releaseDocumentWithKey(path, key) { - var bucket = getBucketForCompilationSettings(key, false); - ts.Debug.assert(bucket !== undefined); - var entry = bucket.get(path); - entry.languageServiceRefCount--; - ts.Debug.assert(entry.languageServiceRefCount >= 0); - if (entry.languageServiceRefCount === 0) { - bucket.remove(path); + Completions.getCompletionsAtPosition = getCompletionsAtPosition; + function getCompletionEntryDetails(typeChecker, log, compilerOptions, sourceFile, position, entryName) { + var completionData = getCompletionData(typeChecker, log, sourceFile, position); + if (completionData) { + var symbols = completionData.symbols, location_2 = completionData.location; + var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_2) === entryName ? s : undefined; }); + if (symbol) { + var _a = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, location_2, location_2, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; + return { + name: entryName, + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), + kind: symbolKind, + displayParts: displayParts, + documentation: documentation + }; + } } - } - return { - acquireDocument: acquireDocument, - acquireDocumentWithKey: acquireDocumentWithKey, - updateDocument: updateDocument, - updateDocumentWithKey: updateDocumentWithKey, - releaseDocument: releaseDocument, - releaseDocumentWithKey: releaseDocumentWithKey, - reportStats: reportStats, - getKeyForCompilationSettings: getKeyForCompilationSettings - }; - } - ts.createDocumentRegistry = createDocumentRegistry; -})(ts || (ts = {})); -var ts; -(function (ts) { - var FindAllReferences; - (function (FindAllReferences) { - function findReferencedSymbols(typeChecker, cancellationToken, sourceFiles, sourceFile, position, findInStrings, findInComments) { - var node = ts.getTouchingPropertyName(sourceFile, position, true); - if (node === sourceFile) { - return undefined; + var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); + if (keywordCompletion) { + return { + name: entryName, + kind: ts.ScriptElementKind.keyword, + kindModifiers: ts.ScriptElementKindModifier.none, + displayParts: [ts.displayPart(entryName, ts.SymbolDisplayPartKind.keyword)], + documentation: undefined + }; } - switch (node.kind) { - case 8: - if (!ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { - break; - } - case 70: - case 98: - case 122: - case 9: - return getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, false); + return undefined; + } + Completions.getCompletionEntryDetails = getCompletionEntryDetails; + function getCompletionEntrySymbol(typeChecker, log, compilerOptions, sourceFile, position, entryName) { + var completionData = getCompletionData(typeChecker, log, sourceFile, position); + if (completionData) { + var symbols = completionData.symbols, location_3 = completionData.location; + return ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(typeChecker, s, compilerOptions.target, false, location_3) === entryName ? s : undefined; }); } return undefined; } - FindAllReferences.findReferencedSymbols = findReferencedSymbols; - function getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, implementations) { - if (!implementations) { - if (ts.isLabelName(node)) { - if (ts.isJumpStatementTarget(node)) { - var labelDefinition = ts.getTargetLabel(node.parent, node.text); - return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; + Completions.getCompletionEntrySymbol = getCompletionEntrySymbol; + function getCompletionData(typeChecker, log, sourceFile, position) { + var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); + var isJsDocTagName = false; + var start = ts.timestamp(); + var currentToken = ts.getTokenAtPosition(sourceFile, position); + log("getCompletionData: Get current token: " + (ts.timestamp() - start)); + start = ts.timestamp(); + var insideComment = ts.isInsideComment(sourceFile, currentToken, position); + log("getCompletionData: Is inside comment: " + (ts.timestamp() - start)); + if (insideComment) { + if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64) { + isJsDocTagName = true; + } + var insideJsDocTagExpression = false; + var tag = ts.getJsDocTagAtPosition(sourceFile, position); + if (tag) { + if (tag.tagName.pos <= position && position <= tag.tagName.end) { + isJsDocTagName = true; } - else { - return getLabelReferencesInNode(node.parent, node); + switch (tag.kind) { + case 277: + case 275: + case 276: + var tagWithExpression = tag; + if (tagWithExpression.typeExpression) { + insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; + } + break; } } - if (ts.isThis(node)) { - return getReferencesForThisKeyword(node, sourceFiles); + if (isJsDocTagName) { + return { symbols: undefined, isGlobalCompletion: false, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; } - if (node.kind === 96) { - return getReferencesForSuperKeyword(node); + if (!insideJsDocTagExpression) { + log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); + return undefined; } } - var symbol = typeChecker.getSymbolAtLocation(node); - if (!implementations && !symbol && node.kind === 9) { - return getReferencesForStringLiteral(node, sourceFiles); + start = ts.timestamp(); + var previousToken = ts.findPrecedingToken(position, sourceFile); + log("getCompletionData: Get previous token 1: " + (ts.timestamp() - start)); + var contextToken = previousToken; + if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { + var start_2 = ts.timestamp(); + contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); + log("getCompletionData: Get previous token 2: " + (ts.timestamp() - start_2)); } - if (!symbol) { - return undefined; + var node = currentToken; + var isRightOfDot = false; + var isRightOfOpenTag = false; + var isStartingCloseTag = false; + var location = ts.getTouchingPropertyName(sourceFile, position); + if (contextToken) { + if (isCompletionListBlocker(contextToken)) { + log("Returning an empty list because completion was requested in an invalid position."); + return undefined; + } + var parent_17 = contextToken.parent, kind = contextToken.kind; + if (kind === 22) { + if (parent_17.kind === 173) { + node = contextToken.parent.expression; + isRightOfDot = true; + } + else if (parent_17.kind === 140) { + node = contextToken.parent.left; + isRightOfDot = true; + } + else { + return undefined; + } + } + else if (sourceFile.languageVariant === 1) { + if (kind === 26) { + isRightOfOpenTag = true; + location = contextToken; + } + else if (kind === 40 && contextToken.parent.kind === 245) { + isStartingCloseTag = true; + location = contextToken; + } + } } - var declarations = symbol.declarations; - if (!declarations || !declarations.length) { - return undefined; + var semanticStart = ts.timestamp(); + var isGlobalCompletion = false; + var isMemberCompletion; + var isNewIdentifierLocation; + var symbols = []; + if (isRightOfDot) { + getTypeScriptMemberSymbols(); } - var result; - var searchMeaning = getIntersectingMeaningFromDeclarations(ts.getMeaningFromLocation(node), declarations); - var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var scope = getSymbolScope(symbol); - var symbolToIndex = []; - if (scope) { - result = []; - getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + else if (isRightOfOpenTag) { + var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); + if (tryGetGlobalSymbols()) { + symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & (107455 | 8388608)); })); + } + else { + symbols = tagSymbols; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; } - else { - var internedName = getInternedName(symbol, node); - for (var _i = 0, sourceFiles_8 = sourceFiles; _i < sourceFiles_8.length; _i++) { - var sourceFile = sourceFiles_8[_i]; - cancellationToken.throwIfCancellationRequested(); - var nameTable = ts.getNameTable(sourceFile); - if (nameTable[internedName] !== undefined) { - result = result || []; - getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } + else if (isStartingCloseTag) { + var tagName = contextToken.parent.parent.openingElement.tagName; + var tagSymbol = typeChecker.getSymbolAtLocation(tagName); + if (!typeChecker.isUnknownSymbol(tagSymbol)) { + symbols = [tagSymbol]; } + isMemberCompletion = true; + isNewIdentifierLocation = false; } - return result; - function getDefinition(symbol) { - var info = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, node.getSourceFile(), ts.getContainerNode(node), node); - var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); - var declarations = symbol.declarations; - if (!declarations || declarations.length === 0) { + else { + if (!tryGetGlobalSymbols()) { return undefined; } - return { - containerKind: "", - containerName: "", - name: name, - kind: info.symbolKind, - fileName: declarations[0].getSourceFile().fileName, - textSpan: ts.createTextSpan(declarations[0].getStart(), 0), - displayParts: info.displayParts - }; } - function getAliasSymbolForPropertyNameSymbol(symbol, location) { - if (symbol.flags & 8388608) { - var defaultImport = ts.getDeclarationOfKind(symbol, 232); - if (defaultImport) { - return typeChecker.getAliasedSymbol(symbol); + log("getCompletionData: Semantic work: " + (ts.timestamp() - semanticStart)); + return { symbols: symbols, isGlobalCompletion: isGlobalCompletion, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; + function getTypeScriptMemberSymbols() { + isGlobalCompletion = false; + isMemberCompletion = true; + isNewIdentifierLocation = false; + if (node.kind === 70 || node.kind === 140 || node.kind === 173) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol && symbol.flags & 8388608) { + symbol = typeChecker.getAliasedSymbol(symbol); } - var importOrExportSpecifier = ts.forEach(symbol.declarations, function (declaration) { return (declaration.kind === 235 || - declaration.kind === 239) ? declaration : undefined; }); - if (importOrExportSpecifier && - (!importOrExportSpecifier.propertyName || - importOrExportSpecifier.propertyName === location)) { - return importOrExportSpecifier.kind === 235 ? - typeChecker.getAliasedSymbol(symbol) : - typeChecker.getExportSpecifierLocalTargetSymbol(importOrExportSpecifier); + if (symbol && symbol.flags & 1952) { + var exportedSymbols = typeChecker.getExportsOfModule(symbol); + ts.forEach(exportedSymbols, function (symbol) { + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + }); } } - return undefined; - } - function followAliasIfNecessary(symbol, location) { - return getAliasSymbolForPropertyNameSymbol(symbol, location) || symbol; - } - function getPropertySymbolOfDestructuringAssignment(location) { - return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(location.parent.parent) && - typeChecker.getPropertySymbolOfDestructuringAssignment(location); + var type = typeChecker.getTypeAtLocation(node); + addTypeProperties(type); } - function isObjectBindingPatternElementWithoutPropertyName(symbol) { - var bindingElement = ts.getDeclarationOfKind(symbol, 170); - return bindingElement && - bindingElement.parent.kind === 168 && - !bindingElement.propertyName; + function addTypeProperties(type) { + if (type) { + for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { + var symbol = _a[_i]; + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + } + if (isJavaScriptFile && type.flags & 65536) { + var unionType = type; + for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { + var elementType = _c[_b]; + addTypeProperties(elementType); + } + } + } } - function getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol) { - if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { - var bindingElement = ts.getDeclarationOfKind(symbol, 170); - var typeOfPattern = typeChecker.getTypeAtLocation(bindingElement.parent); - return typeOfPattern && typeChecker.getPropertyOfType(typeOfPattern, bindingElement.name.text); + function tryGetGlobalSymbols() { + var objectLikeContainer; + var namedImportsOrExports; + var jsxContainer; + if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { + return tryGetObjectLikeCompletionSymbols(objectLikeContainer); } - return undefined; + if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { + return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); + } + if (jsxContainer = tryGetContainingJsxElement(contextToken)) { + var attrsType = void 0; + if ((jsxContainer.kind === 243) || (jsxContainer.kind === 244)) { + attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); + if (attrsType) { + symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); + isMemberCompletion = true; + isNewIdentifierLocation = false; + return true; + } + } + } + isMemberCompletion = false; + isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); + if (previousToken !== contextToken) { + ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + var adjustedPosition = previousToken !== contextToken ? + previousToken.getStart() : + position; + var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; + if (scopeNode) { + isGlobalCompletion = + scopeNode.kind === 256 || + scopeNode.kind === 190 || + scopeNode.kind === 248 || + ts.isStatement(scopeNode); + } + var symbolMeanings = 793064 | 107455 | 1920 | 8388608; + symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); + return true; } - function getInternedName(symbol, location) { - if (ts.isImportOrExportSpecifierName(location)) { - return location.getText(); + function getScopeNode(initialToken, position, sourceFile) { + var scope = initialToken; + while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { + scope = scope.parent; } - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - symbol = localExportDefaultSymbol || symbol; - return ts.stripQuotes(symbol.name); + return scope; } - function getSymbolScope(symbol) { - var valueDeclaration = symbol.valueDeclaration; - if (valueDeclaration && (valueDeclaration.kind === 180 || valueDeclaration.kind === 193)) { - return valueDeclaration; + function isCompletionListBlocker(contextToken) { + var start = ts.timestamp(); + var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || + isSolelyIdentifierDefinitionLocation(contextToken) || + isDotOfNumericLiteral(contextToken) || + isInJsxText(contextToken); + log("getCompletionsAtPosition: isCompletionListBlocker: " + (ts.timestamp() - start)); + return result; + } + function isInJsxText(contextToken) { + if (contextToken.kind === 10) { + return true; } - if (symbol.flags & (4 | 8192)) { - var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (ts.getModifierFlags(d) & 8) ? d : undefined; }); - if (privateDeclaration) { - return ts.getAncestor(privateDeclaration, 222); + if (contextToken.kind === 28 && contextToken.parent) { + if (contextToken.parent.kind === 244) { + return true; + } + if (contextToken.parent.kind === 245 || contextToken.parent.kind === 243) { + return contextToken.parent.parent && contextToken.parent.parent.kind === 242; } } - if (symbol.flags & 8388608) { - return undefined; + return false; + } + function isNewIdentifierDefinitionLocation(previousToken) { + if (previousToken) { + var containingNodeKind = previousToken.parent.kind; + switch (previousToken.kind) { + case 25: + return containingNodeKind === 175 + || containingNodeKind === 149 + || containingNodeKind === 176 + || containingNodeKind === 171 + || containingNodeKind === 188 + || containingNodeKind === 157; + case 18: + return containingNodeKind === 175 + || containingNodeKind === 149 + || containingNodeKind === 176 + || containingNodeKind === 179 + || containingNodeKind === 165; + case 20: + return containingNodeKind === 171 + || containingNodeKind === 154 + || containingNodeKind === 141; + case 126: + case 127: + return true; + case 22: + return containingNodeKind === 226; + case 16: + return containingNodeKind === 222; + case 57: + return containingNodeKind === 219 + || containingNodeKind === 188; + case 13: + return containingNodeKind === 190; + case 14: + return containingNodeKind === 198; + case 113: + case 111: + case 112: + return containingNodeKind === 146; + } + switch (previousToken.getText()) { + case "public": + case "protected": + case "private": + return true; + } } - if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { - return undefined; + return false; + } + function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { + if (contextToken.kind === 9 + || contextToken.kind === 11 + || ts.isTemplateLiteralKind(contextToken.kind)) { + var start_3 = contextToken.getStart(); + var end = contextToken.getEnd(); + if (start_3 < position && position < end) { + return true; + } + if (position === end) { + return !!contextToken.isUnterminated + || contextToken.kind === 11; + } } - if (symbol.parent || (symbol.flags & 268435456)) { - return undefined; + return false; + } + function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { + isMemberCompletion = true; + var typeForObject; + var existingMembers; + if (objectLikeContainer.kind === 172) { + isNewIdentifierLocation = true; + typeForObject = typeChecker.getContextualType(objectLikeContainer); + typeForObject = typeForObject && typeForObject.getNonNullableType(); + existingMembers = objectLikeContainer.properties; } - var scope; - var declarations = symbol.getDeclarations(); - if (declarations) { - for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) { - var declaration = declarations_7[_i]; - var container = ts.getContainerNode(declaration); - if (!container) { - return undefined; - } - if (scope && scope !== container) { - return undefined; + else if (objectLikeContainer.kind === 168) { + isNewIdentifierLocation = false; + var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); + if (ts.isVariableLike(rootDeclaration)) { + var canGetType = !!(rootDeclaration.initializer || rootDeclaration.type); + if (!canGetType && rootDeclaration.kind === 143) { + if (ts.isExpression(rootDeclaration.parent)) { + canGetType = !!typeChecker.getContextualType(rootDeclaration.parent); + } + else if (rootDeclaration.parent.kind === 148 || rootDeclaration.parent.kind === 151) { + canGetType = ts.isExpression(rootDeclaration.parent.parent) && !!typeChecker.getContextualType(rootDeclaration.parent.parent); + } } - if (container.kind === 256 && !ts.isExternalModule(container)) { - return undefined; + if (canGetType) { + typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); + existingMembers = objectLikeContainer.elements; } - scope = container; + } + else { + ts.Debug.fail("Root declaration is not variable-like."); } } - return scope; + else { + ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); + } + if (!typeForObject) { + return false; + } + var typeMembers = typeChecker.getPropertiesOfType(typeForObject); + if (typeMembers && typeMembers.length > 0) { + symbols = filterObjectMembersList(typeMembers, existingMembers); + } + return true; } - function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { - var positions = []; - if (!symbolName || !symbolName.length) { - return positions; + function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { + var declarationKind = namedImportsOrExports.kind === 234 ? + 231 : + 237; + var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); + var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; + if (!moduleSpecifier) { + return false; } - var text = sourceFile.text; - var sourceLength = text.length; - var symbolNameLength = symbolName.length; - var position = text.indexOf(symbolName, start); - while (position >= 0) { - cancellationToken.throwIfCancellationRequested(); - if (position > end) - break; - var endPosition = position + symbolNameLength; - if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 4)) && - (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 4))) { - positions.push(position); - } - position = text.indexOf(symbolName, position + symbolNameLength + 1); + isMemberCompletion = true; + isNewIdentifierLocation = false; + var exports; + var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); + if (moduleSpecifierSymbol) { + exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); } - return positions; + symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : ts.emptyArray; + return true; } - function getLabelReferencesInNode(container, targetLabel) { - var references = []; - var sourceFile = container.getSourceFile(); - var labelName = targetLabel.text; - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.getWidth() !== labelName.length) { - return; - } - if (node === targetLabel || - (ts.isJumpStatementTarget(node) && ts.getTargetLabel(node, labelName) === targetLabel)) { - references.push(getReferenceEntryFromNode(node)); + function tryGetObjectLikeCompletionContainer(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 16: + case 25: + var parent_18 = contextToken.parent; + if (parent_18 && (parent_18.kind === 172 || parent_18.kind === 168)) { + return parent_18; + } + break; } - }); - var definition = { - containerKind: "", - containerName: "", - fileName: targetLabel.getSourceFile().fileName, - kind: ts.ScriptElementKind.label, - name: labelName, - textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()), - displayParts: [ts.displayPart(labelName, ts.SymbolDisplayPartKind.text)] - }; - return [{ definition: definition, references: references }]; + } + return undefined; } - function isValidReferencePosition(node, searchSymbolName) { - if (node) { - switch (node.kind) { + function tryGetNamedImportsOrExportsForCompletion(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 16: + case 25: + switch (contextToken.parent.kind) { + case 234: + case 238: + return contextToken.parent; + } + } + } + return undefined; + } + function tryGetContainingJsxElement(contextToken) { + if (contextToken) { + var parent_19 = contextToken.parent; + switch (contextToken.kind) { + case 27: + case 40: case 70: - return node.getWidth() === searchSymbolName.length; + case 246: + case 247: + if (parent_19 && (parent_19.kind === 243 || parent_19.kind === 244)) { + return parent_19; + } + else if (parent_19.kind === 246) { + return parent_19.parent; + } + break; case 9: - if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - return node.getWidth() === searchSymbolName.length + 2; + if (parent_19 && ((parent_19.kind === 246) || (parent_19.kind === 247))) { + return parent_19.parent; } break; - case 8: - if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { - return node.getWidth() === searchSymbolName.length; + case 17: + if (parent_19 && + parent_19.kind === 248 && + parent_19.parent && + (parent_19.parent.kind === 246)) { + return parent_19.parent.parent; + } + if (parent_19 && parent_19.kind === 247) { + return parent_19.parent; } break; } } + return undefined; + } + function isFunction(kind) { + switch (kind) { + case 180: + case 181: + case 221: + case 148: + case 147: + case 150: + case 151: + case 152: + case 153: + case 154: + return true; + } return false; } - function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { - var sourceFile = container.getSourceFile(); - var start = findInComments ? container.getFullStart() : container.getStart(); - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, searchText, start, container.getEnd()); - var parents = getParentSymbolsOfPropertyAccess(); - var inheritsFromCache = ts.createMap(); - if (possiblePositions.length) { - var searchSymbols_1 = populateSearchSymbolSet(searchSymbol, searchLocation); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var referenceLocation = ts.getTouchingPropertyName(sourceFile, position); - if (!isValidReferencePosition(referenceLocation, searchText)) { - if (!implementations && ((findInStrings && ts.isInString(sourceFile, position)) || - (findInComments && ts.isInNonReferenceComment(sourceFile, position)))) { - result.push({ - definition: undefined, - references: [{ - fileName: sourceFile.fileName, - textSpan: ts.createTextSpan(position, searchText.length), - isWriteAccess: false, - isDefinition: false - }] - }); - } - return; - } - if (!(ts.getMeaningFromLocation(referenceLocation) & searchMeaning)) { - return; - } - var referenceSymbol = typeChecker.getSymbolAtLocation(referenceLocation); - if (referenceSymbol) { - var referenceSymbolDeclaration = referenceSymbol.valueDeclaration; - var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(referenceSymbolDeclaration); - var relatedSymbol = getRelatedSymbol(searchSymbols_1, referenceSymbol, referenceLocation, searchLocation.kind === 122, parents, inheritsFromCache); - if (relatedSymbol) { - addReferenceToRelatedSymbol(referenceLocation, relatedSymbol); - } - else if (!(referenceSymbol.flags & 67108864) && searchSymbols_1.indexOf(shorthandValueSymbol) >= 0) { - addReferenceToRelatedSymbol(referenceSymbolDeclaration.name, shorthandValueSymbol); - } - else if (searchLocation.kind === 122) { - findAdditionalConstructorReferences(referenceSymbol, referenceLocation); - } - } - }); + function isSolelyIdentifierDefinitionLocation(contextToken) { + var containingNodeKind = contextToken.parent.kind; + switch (contextToken.kind) { + case 25: + return containingNodeKind === 219 || + containingNodeKind === 220 || + containingNodeKind === 201 || + containingNodeKind === 225 || + isFunction(containingNodeKind) || + containingNodeKind === 222 || + containingNodeKind === 193 || + containingNodeKind === 223 || + containingNodeKind === 169 || + containingNodeKind === 224; + case 22: + return containingNodeKind === 169; + case 55: + return containingNodeKind === 170; + case 20: + return containingNodeKind === 169; + case 18: + return containingNodeKind === 252 || + isFunction(containingNodeKind); + case 16: + return containingNodeKind === 225 || + containingNodeKind === 223 || + containingNodeKind === 160; + case 24: + return containingNodeKind === 145 && + contextToken.parent && contextToken.parent.parent && + (contextToken.parent.parent.kind === 223 || + contextToken.parent.parent.kind === 160); + case 26: + return containingNodeKind === 222 || + containingNodeKind === 193 || + containingNodeKind === 223 || + containingNodeKind === 224 || + isFunction(containingNodeKind); + case 114: + return containingNodeKind === 146; + case 23: + return containingNodeKind === 143 || + (contextToken.parent && contextToken.parent.parent && + contextToken.parent.parent.kind === 169); + case 113: + case 111: + case 112: + return containingNodeKind === 143; + case 117: + return containingNodeKind === 235 || + containingNodeKind === 239 || + containingNodeKind === 233; + case 74: + case 82: + case 108: + case 88: + case 103: + case 124: + case 132: + case 90: + case 109: + case 75: + case 115: + case 135: + return true; } - return; - function getParentSymbolsOfPropertyAccess() { - if (implementations) { - var propertyAccessExpression = getPropertyAccessExpressionFromRightHandSide(searchLocation); - if (propertyAccessExpression) { - var localParentType = typeChecker.getTypeAtLocation(propertyAccessExpression.expression); - if (localParentType) { - if (localParentType.symbol && localParentType.symbol.flags & (32 | 64) && localParentType.symbol !== searchSymbol.parent) { - return [localParentType.symbol]; - } - else if (localParentType.flags & 1572864) { - return getSymbolsForClassAndInterfaceComponents(localParentType); - } - } - } + switch (contextToken.getText()) { + case "abstract": + case "async": + case "class": + case "const": + case "declare": + case "enum": + case "function": + case "interface": + case "let": + case "private": + case "protected": + case "public": + case "static": + case "var": + case "yield": + return true; + } + return false; + } + function isDotOfNumericLiteral(contextToken) { + if (contextToken.kind === 8) { + var text = contextToken.getFullText(); + return text.charAt(text.length - 1) === "."; + } + return false; + } + function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { + var existingImportsOrExports = ts.createMap(); + for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { + var element = namedImportsOrExports_1[_i]; + if (element.getStart() <= position && position <= element.getEnd()) { + continue; } + var name_48 = element.propertyName || element.name; + existingImportsOrExports[name_48.text] = true; } - function getPropertyAccessExpressionFromRightHandSide(node) { - return ts.isRightSideOfPropertyAccess(node) && node.parent; + if (!ts.someProperties(existingImportsOrExports)) { + return ts.filter(exportsOfModule, function (e) { return e.name !== "default"; }); } - function findAdditionalConstructorReferences(referenceSymbol, referenceLocation) { - ts.Debug.assert(ts.isClassLike(searchSymbol.valueDeclaration)); - var referenceClass = referenceLocation.parent; - if (referenceSymbol === searchSymbol && ts.isClassLike(referenceClass)) { - ts.Debug.assert(referenceClass.name === referenceLocation); - addReferences(findOwnConstructorCalls(searchSymbol)); + return ts.filter(exportsOfModule, function (e) { return e.name !== "default" && !existingImportsOrExports[e.name]; }); + } + function filterObjectMembersList(contextualMemberSymbols, existingMembers) { + if (!existingMembers || existingMembers.length === 0) { + return contextualMemberSymbols; + } + var existingMemberNames = ts.createMap(); + for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { + var m = existingMembers_1[_i]; + if (m.kind !== 253 && + m.kind !== 254 && + m.kind !== 170 && + m.kind !== 148) { + continue; } - else { - var classExtending = tryGetClassByExtendingIdentifier(referenceLocation); - if (classExtending && ts.isClassLike(classExtending) && followAliasIfNecessary(referenceSymbol, referenceLocation) === searchSymbol) { - addReferences(superConstructorAccesses(classExtending)); + if (m.getStart() <= position && position <= m.getEnd()) { + continue; + } + var existingName = void 0; + if (m.kind === 170 && m.propertyName) { + if (m.propertyName.kind === 70) { + existingName = m.propertyName.text; } } - } - function addReferences(references) { - if (references.length) { - var referencedSymbol = getReferencedSymbol(searchSymbol); - ts.addRange(referencedSymbol.references, ts.map(references, getReferenceEntryFromNode)); + else { + existingName = m.name.text; } + existingMemberNames[existingName] = true; } - function findOwnConstructorCalls(classSymbol) { - var result = []; - for (var _i = 0, _a = classSymbol.members["__constructor"].declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - ts.Debug.assert(decl.kind === 149); - var ctrKeyword = decl.getChildAt(0); - ts.Debug.assert(ctrKeyword.kind === 122); - result.push(ctrKeyword); + return ts.filter(contextualMemberSymbols, function (m) { return !existingMemberNames[m.name]; }); + } + function filterJsxAttributes(symbols, attributes) { + var seenNames = ts.createMap(); + for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { + var attr = attributes_1[_i]; + if (attr.getStart() <= position && position <= attr.getEnd()) { + continue; + } + if (attr.kind === 246) { + seenNames[attr.name.text] = true; } - ts.forEachProperty(classSymbol.exports, function (member) { - var decl = member.valueDeclaration; - if (decl && decl.kind === 148) { - var body = decl.body; - if (body) { - forEachDescendantOfKind(body, 98, function (thisKeyword) { - if (ts.isNewExpressionTarget(thisKeyword)) { - result.push(thisKeyword); - } - }); - } - } - }); - return result; } - function superConstructorAccesses(cls) { - var symbol = cls.symbol; - var ctr = symbol.members["__constructor"]; - if (!ctr) { - return []; + return ts.filter(symbols, function (a) { return !seenNames[a.name]; }); + } + } + function getCompletionEntryDisplayNameForSymbol(typeChecker, symbol, target, performCharacterChecks, location) { + var displayName = ts.getDeclaredName(typeChecker, symbol, location); + if (displayName) { + var firstCharCode = displayName.charCodeAt(0); + if ((symbol.flags & 1920) && (firstCharCode === 39 || firstCharCode === 34)) { + return undefined; + } + } + return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); + } + function getCompletionEntryDisplayName(name, target, performCharacterChecks) { + if (!name) { + return undefined; + } + name = ts.stripQuotes(name); + if (!name) { + return undefined; + } + if (performCharacterChecks) { + if (!ts.isIdentifierText(name, target)) { + return undefined; + } + } + return name; + } + var keywordCompletions = []; + for (var i = 71; i <= 139; i++) { + keywordCompletions.push({ + name: ts.tokenToString(i), + kind: ts.ScriptElementKind.keyword, + kindModifiers: ts.ScriptElementKindModifier.none, + sortText: "0" + }); + } + var tripleSlashDirectiveFragmentRegex = /^(\/\/\/\s*= 0; i--) { + if (pushKeywordIf(keywords, loopTokens[i], 105)) { + break; + } + } + } + } + var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(loopNode, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 71, 76); } }); + return ts.map(keywords, getHighlightSpanForNode); } - return; - function getPropertySymbolFromTypeReference(typeReference) { - if (typeReference) { - var type = typeChecker.getTypeAtLocation(typeReference); - if (type) { - var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); - if (propertySymbol) { - result.push.apply(result, typeChecker.getRootSymbols(propertySymbol)); - } - previousIterationSymbolsCache[symbol.name] = symbol; - getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); + function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { + var owner = getBreakOrContinueOwner(breakOrContinueStatement); + if (owner) { + switch (owner.kind) { + case 207: + case 208: + case 209: + case 205: + case 206: + return getLoopBreakContinueOccurrences(owner); + case 214: + return getSwitchCaseDefaultOccurrences(owner); } } + return undefined; } - } - function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation, searchLocationIsConstructor, parents, cache) { - if (ts.contains(searchSymbols, referenceSymbol)) { - return (!searchLocationIsConstructor || ts.isNewExpressionTarget(referenceLocation)) && referenceSymbol; - } - var aliasSymbol = getAliasSymbolForPropertyNameSymbol(referenceSymbol, referenceLocation); - if (aliasSymbol) { - return getRelatedSymbol(searchSymbols, aliasSymbol, referenceLocation, searchLocationIsConstructor, parents, cache); - } - var containingObjectLiteralElement = getContainingObjectLiteralElement(referenceLocation); - if (containingObjectLiteralElement) { - var contextualSymbol = ts.forEach(getPropertySymbolsFromContextualType(containingObjectLiteralElement), function (contextualSymbol) { - return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + function getSwitchCaseDefaultOccurrences(switchStatement) { + var keywords = []; + pushKeywordIf(keywords, switchStatement.getFirstToken(), 97); + ts.forEach(switchStatement.caseBlock.clauses, function (clause) { + pushKeywordIf(keywords, clause.getFirstToken(), 72, 78); + var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(switchStatement, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 71); + } + }); }); - if (contextualSymbol) { - return contextualSymbol; + return ts.map(keywords, getHighlightSpanForNode); + } + function getTryCatchFinallyOccurrences(tryStatement) { + var keywords = []; + pushKeywordIf(keywords, tryStatement.getFirstToken(), 101); + if (tryStatement.catchClause) { + pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 73); } - var propertySymbol = getPropertySymbolOfDestructuringAssignment(referenceLocation); - if (propertySymbol && searchSymbols.indexOf(propertySymbol) >= 0) { - return propertySymbol; + if (tryStatement.finallyBlock) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); + pushKeywordIf(keywords, finallyKeyword, 86); } + return ts.map(keywords, getHighlightSpanForNode); } - var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(referenceSymbol); - if (bindingElementPropertySymbol && searchSymbols.indexOf(bindingElementPropertySymbol) >= 0) { - return bindingElementPropertySymbol; - } - return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { - if (searchSymbols.indexOf(rootSymbol) >= 0) { - return rootSymbol; + function getThrowOccurrences(throwStatement) { + var owner = getThrowStatementOwner(throwStatement); + if (!owner) { + return undefined; } - if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { - if (parents) { - if (!ts.forEach(parents, function (parent) { return explicitlyInheritsFrom(rootSymbol.parent, parent, cache); })) { - return undefined; - } - } - var result_3 = []; - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_3, ts.createMap()); - return ts.forEach(result_3, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + var keywords = []; + ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); + }); + if (ts.isFunctionBlock(owner)) { + ts.forEachReturnStatement(owner, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); + }); } - return undefined; - }); - } - function getNameFromObjectLiteralElement(node) { - if (node.name.kind === 141) { - var nameExpression = node.name.expression; - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; + return ts.map(keywords, getHighlightSpanForNode); + } + function getReturnOccurrences(returnStatement) { + var func = ts.getContainingFunction(returnStatement); + if (!(func && hasKind(func.body, 200))) { + return undefined; } - return undefined; + var keywords = []; + ts.forEachReturnStatement(func.body, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 95); + }); + ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 99); + }); + return ts.map(keywords, getHighlightSpanForNode); } - return node.name.text; - } - function getPropertySymbolsFromContextualType(node) { - var objectLiteral = node.parent; - var contextualType = typeChecker.getContextualType(objectLiteral); - var name = getNameFromObjectLiteralElement(node); - if (name && contextualType) { - var result_4 = []; - var symbol_2 = contextualType.getProperty(name); - if (symbol_2) { - result_4.push(symbol_2); + function getIfElseOccurrences(ifStatement) { + var keywords = []; + while (hasKind(ifStatement.parent, 204) && ifStatement.parent.elseStatement === ifStatement) { + ifStatement = ifStatement.parent; } - if (contextualType.flags & 524288) { - ts.forEach(contextualType.types, function (t) { - var symbol = t.getProperty(name); - if (symbol) { - result_4.push(symbol); + while (ifStatement) { + var children = ifStatement.getChildren(); + pushKeywordIf(keywords, children[0], 89); + for (var i = children.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, children[i], 81)) { + break; } - }); + } + if (!hasKind(ifStatement.elseStatement, 204)) { + break; + } + ifStatement = ifStatement.elseStatement; } - return result_4; - } - return undefined; - } - function getIntersectingMeaningFromDeclarations(meaning, declarations) { - if (declarations) { - var lastIterationMeaning = void 0; - do { - lastIterationMeaning = meaning; - for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { - var declaration = declarations_8[_i]; - var declarationMeaning = ts.getMeaningFromDeclaration(declaration); - if (declarationMeaning & meaning) { - meaning |= declarationMeaning; + var result = []; + for (var i = 0; i < keywords.length; i++) { + if (keywords[i].kind === 81 && i < keywords.length - 1) { + var elseKeyword = keywords[i]; + var ifKeyword = keywords[i + 1]; + var shouldCombindElseAndIf = true; + for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { + if (!ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(j))) { + shouldCombindElseAndIf = false; + break; + } + } + if (shouldCombindElseAndIf) { + result.push({ + fileName: fileName, + textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), + kind: ts.HighlightSpanKind.reference + }); + i++; + continue; } } - } while (meaning !== lastIterationMeaning); - } - return meaning; - } - } - FindAllReferences.getReferencedSymbolsForNode = getReferencedSymbolsForNode; - function convertReferences(referenceSymbols) { - if (!referenceSymbols) { - return undefined; - } - var referenceEntries = []; - for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { - var referenceSymbol = referenceSymbols_1[_i]; - ts.addRange(referenceEntries, referenceSymbol.references); - } - return referenceEntries; - } - FindAllReferences.convertReferences = convertReferences; - function isImplementation(node) { - if (!node) { - return false; - } - else if (ts.isVariableLike(node)) { - if (node.initializer) { - return true; - } - else if (node.kind === 219) { - var parentStatement = getParentStatementOfVariableDeclaration(node); - return parentStatement && ts.hasModifier(parentStatement, 2); - } - } - else if (ts.isFunctionLike(node)) { - return !!node.body || ts.hasModifier(node, 2); - } - else { - switch (node.kind) { - case 222: - case 193: - case 225: - case 226: - return true; - } - } - return false; - } - function getParentStatementOfVariableDeclaration(node) { - if (node.parent && node.parent.parent && node.parent.parent.kind === 201) { - ts.Debug.assert(node.parent.kind === 220); - return node.parent.parent; - } - } - function getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result) { - var refSymbol = typeChecker.getSymbolAtLocation(node); - var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(refSymbol.valueDeclaration); - if (shorthandSymbol) { - for (var _i = 0, _a = shorthandSymbol.getDeclarations(); _i < _a.length; _i++) { - var declaration = _a[_i]; - if (ts.getMeaningFromDeclaration(declaration) & 1) { - result.push(getReferenceEntryFromNode(declaration)); + result.push(getHighlightSpanForNode(keywords[i])); } + return result; } } } - FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment = getReferenceEntriesForShorthandPropertyAssignment; - function getReferenceEntryFromNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - if (node.kind === 9) { - start += 1; - end -= 1; - } - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - isWriteAccess: isWriteAccess(node), - isDefinition: ts.isDeclarationName(node) || ts.isLiteralComputedPropertyDeclarationName(node) - }; - } - FindAllReferences.getReferenceEntryFromNode = getReferenceEntryFromNode; - function isWriteAccess(node) { - if (node.kind === 70 && ts.isDeclarationName(node)) { - return true; - } - var parent = node.parent; - if (parent) { - if (parent.kind === 187 || parent.kind === 186) { + DocumentHighlights.getDocumentHighlights = getDocumentHighlights; + function isLabeledBy(node, labelName) { + for (var owner = node.parent; owner.kind === 215; owner = owner.parent) { + if (owner.label.text === labelName) { return true; } - else if (parent.kind === 188 && parent.left === node) { - var operator = parent.operatorToken.kind; - return 57 <= operator && operator <= 69; - } - } - return false; - } - function forEachDescendantOfKind(node, kind, action) { - ts.forEachChild(node, function (child) { - if (child.kind === kind) { - action(child); - } - forEachDescendantOfKind(child, kind, action); - }); - } - function getContainingObjectLiteralElement(node) { - switch (node.kind) { - case 9: - case 8: - if (node.parent.kind === 141) { - return isObjectLiteralPropertyDeclaration(node.parent.parent) ? node.parent.parent : undefined; - } - case 70: - return isObjectLiteralPropertyDeclaration(node.parent) && node.parent.name === node ? node.parent : undefined; - } - return undefined; - } - function isObjectLiteralPropertyDeclaration(node) { - switch (node.kind) { - case 253: - case 254: - case 148: - case 150: - case 151: - return true; - } - return false; - } - function tryGetClassByExtendingIdentifier(node) { - return ts.tryGetClassExtendingExpressionWithTypeArguments(ts.climbPastPropertyAccess(node).parent); - } - function isNameOfExternalModuleImportOrDeclaration(node) { - if (node.kind === 9) { - return ts.isNameOfModuleDeclaration(node) || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node); } return false; } - })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {})); + })(DocumentHighlights = ts.DocumentHighlights || (ts.DocumentHighlights = {})); })(ts || (ts = {})); var ts; (function (ts) { - var GoToDefinition; - (function (GoToDefinition) { - function getDefinitionAtPosition(program, sourceFile, position) { - var comment = findReferenceInPosition(sourceFile.referencedFiles, position); - if (comment) { - var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); - if (referenceFile) { - return [getDefinitionInfoForFileReference(comment.fileName, referenceFile.fileName)]; - } - return undefined; - } - var typeReferenceDirective = findReferenceInPosition(sourceFile.typeReferenceDirectives, position); - if (typeReferenceDirective) { - var referenceFile = program.getResolvedTypeReferenceDirectives()[typeReferenceDirective.fileName]; - if (referenceFile && referenceFile.resolvedFileName) { - return [getDefinitionInfoForFileReference(typeReferenceDirective.fileName, referenceFile.resolvedFileName)]; - } - return undefined; - } - var node = ts.getTouchingPropertyName(sourceFile, position); - if (node === sourceFile) { - return undefined; - } - if (ts.isJumpStatementTarget(node)) { - var labelName = node.text; - var label = ts.getTargetLabel(node.parent, node.text); - return label ? [createDefinitionInfo(label, ts.ScriptElementKind.label, labelName, undefined)] : undefined; - } - var typeChecker = program.getTypeChecker(); - var calledDeclaration = tryGetSignatureDeclaration(typeChecker, node); - if (calledDeclaration) { - return [createDefinitionFromSignatureDeclaration(typeChecker, calledDeclaration)]; - } - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - if (symbol.flags & 8388608) { - var declaration = symbol.declarations[0]; - if (node.kind === 70 && - (node.parent === declaration || - (declaration.kind === 235 && declaration.parent && declaration.parent.kind === 234))) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - } - if (node.parent.kind === 254) { - var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); - if (!shorthandSymbol) { - return []; - } - var shorthandDeclarations = shorthandSymbol.getDeclarations(); - var shorthandSymbolKind_1 = ts.SymbolDisplay.getSymbolKind(typeChecker, shorthandSymbol, node); - var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); - var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); - return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); - } - return getDefinitionFromSymbol(typeChecker, symbol, node); + function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { + if (currentDirectory === void 0) { currentDirectory = ""; } + var buckets = ts.createMap(); + var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); + function getKeyForCompilationSettings(settings) { + return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + "|" + settings.allowJs + "|" + settings.baseUrl + "|" + JSON.stringify(settings.typeRoots) + "|" + JSON.stringify(settings.rootDirs) + "|" + JSON.stringify(settings.paths); } - GoToDefinition.getDefinitionAtPosition = getDefinitionAtPosition; - function getTypeDefinitionAtPosition(typeChecker, sourceFile, position) { - var node = ts.getTouchingPropertyName(sourceFile, position); - if (node === sourceFile) { - return undefined; - } - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); - if (!type) { - return undefined; - } - if (type.flags & 524288 && !(type.flags & 16)) { - var result_5 = []; - ts.forEach(type.types, function (t) { - if (t.symbol) { - ts.addRange(result_5, getDefinitionFromSymbol(typeChecker, t.symbol, node)); - } - }); - return result_5; - } - if (!type.symbol) { - return undefined; + function getBucketForCompilationSettings(key, createIfMissing) { + var bucket = buckets[key]; + if (!bucket && createIfMissing) { + buckets[key] = bucket = ts.createFileMap(); } - return getDefinitionFromSymbol(typeChecker, type.symbol, node); + return bucket; } - GoToDefinition.getTypeDefinitionAtPosition = getTypeDefinitionAtPosition; - function getDefinitionFromSymbol(typeChecker, symbol, node) { - var result = []; - var declarations = symbol.getDeclarations(); - var _a = getSymbolInfo(typeChecker, symbol, node), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; - if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && - !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { - ts.forEach(declarations, function (declaration) { - result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); - }); - } - return result; - function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (ts.isNewExpressionTarget(location) || location.kind === 122) { - if (symbol.flags & 32) { - for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { - var declaration = _a[_i]; - if (ts.isClassLike(declaration)) { - return tryAddSignature(declaration.members, true, symbolKind, symbolName, containerName, result); - } - } - ts.Debug.fail("Expected declaration to have at least one class-like declaration"); - } - } - return false; - } - function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location) || ts.isNameOfFunctionDeclaration(location)) { - return tryAddSignature(symbol.declarations, false, symbolKind, symbolName, containerName, result); - } - return false; - } - function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { - var declarations = []; - var definition; - ts.forEach(signatureDeclarations, function (d) { - if ((selectConstructors && d.kind === 149) || - (!selectConstructors && (d.kind === 221 || d.kind === 148 || d.kind === 147))) { - declarations.push(d); - if (d.body) - definition = d; - } + function reportStats() { + var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { + var entries = buckets[name]; + var sourceFiles = []; + entries.forEachValue(function (key, entry) { + sourceFiles.push({ + name: key, + refCount: entry.languageServiceRefCount, + references: entry.owners.slice(0) + }); }); - if (definition) { - result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); - return true; - } - else if (declarations.length) { - result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); - return true; - } - return false; - } - } - function createDefinitionInfo(node, symbolKind, symbolName, containerName) { - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), - kind: symbolKind, - name: symbolName, - containerKind: undefined, - containerName: containerName - }; - } - function getSymbolInfo(typeChecker, symbol, node) { - return { - symbolName: typeChecker.symbolToString(symbol), - symbolKind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node), - containerName: symbol.parent ? typeChecker.symbolToString(symbol.parent, node) : "" - }; - } - function createDefinitionFromSignatureDeclaration(typeChecker, decl) { - var _a = getSymbolInfo(typeChecker, decl.symbol, decl), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; - return createDefinitionInfo(decl, symbolKind, symbolName, containerName); - } - function findReferenceInPosition(refs, pos) { - for (var _i = 0, refs_1 = refs; _i < refs_1.length; _i++) { - var ref = refs_1[_i]; - if (ref.pos <= pos && pos < ref.end) { - return ref; - } - } - return undefined; + sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); + return { + bucket: name, + sourceFiles: sourceFiles + }; + }); + return JSON.stringify(bucketInfoArray, undefined, 2); } - function getDefinitionInfoForFileReference(name, targetFileName) { - return { - fileName: targetFileName, - textSpan: ts.createTextSpanFromBounds(0, 0), - kind: ts.ScriptElementKind.scriptElement, - name: name, - containerName: undefined, - containerKind: undefined - }; + function acquireDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(compilationSettings); + return acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); } - function getAncestorCallLikeExpression(node) { - var target = climbPastManyPropertyAccesses(node); - var callLike = target.parent; - return callLike && ts.isCallLikeExpression(callLike) && ts.getInvokedExpression(callLike) === target && callLike; + function acquireDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { + return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, true, scriptKind); } - function climbPastManyPropertyAccesses(node) { - return ts.isRightSideOfPropertyAccess(node) ? climbPastManyPropertyAccesses(node.parent) : node; + function updateDocument(fileName, compilationSettings, scriptSnapshot, version, scriptKind) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(compilationSettings); + return updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind); } - function tryGetSignatureDeclaration(typeChecker, node) { - var callLike = getAncestorCallLikeExpression(node); - return callLike && typeChecker.getResolvedSignature(callLike).declaration; + function updateDocumentWithKey(fileName, path, compilationSettings, key, scriptSnapshot, version, scriptKind) { + return acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, false, scriptKind); } - })(GoToDefinition = ts.GoToDefinition || (ts.GoToDefinition = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var GoToImplementation; - (function (GoToImplementation) { - function getImplementationAtPosition(typeChecker, cancellationToken, sourceFiles, node) { - if (node.parent.kind === 254) { - var result = []; - ts.FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result); - return result.length > 0 ? result : undefined; - } - else if (node.kind === 96 || ts.isSuperProperty(node.parent)) { - var symbol = typeChecker.getSymbolAtLocation(node); - return symbol.valueDeclaration && [ts.FindAllReferences.getReferenceEntryFromNode(symbol.valueDeclaration)]; + function acquireOrUpdateDocument(fileName, path, compilationSettings, key, scriptSnapshot, version, acquiring, scriptKind) { + var bucket = getBucketForCompilationSettings(key, true); + var entry = bucket.get(path); + if (!entry) { + ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); + var sourceFile = ts.createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, false, scriptKind); + entry = { + sourceFile: sourceFile, + languageServiceRefCount: 0, + owners: [] + }; + bucket.set(path, entry); } else { - var referencedSymbols = ts.FindAllReferences.getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, false, false, true); - var result = ts.flatMap(referencedSymbols, function (symbol) { - return ts.map(symbol.references, function (_a) { - var textSpan = _a.textSpan, fileName = _a.fileName; - return ({ textSpan: textSpan, fileName: fileName }); - }); - }); - return result && result.length > 0 ? result : undefined; + if (entry.sourceFile.version !== version) { + entry.sourceFile = ts.updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); + } + } + if (acquiring) { + entry.languageServiceRefCount++; } + return entry.sourceFile; } - GoToImplementation.getImplementationAtPosition = getImplementationAtPosition; - })(GoToImplementation = ts.GoToImplementation || (ts.GoToImplementation = {})); + function releaseDocument(fileName, compilationSettings) { + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var key = getKeyForCompilationSettings(compilationSettings); + return releaseDocumentWithKey(path, key); + } + function releaseDocumentWithKey(path, key) { + var bucket = getBucketForCompilationSettings(key, false); + ts.Debug.assert(bucket !== undefined); + var entry = bucket.get(path); + entry.languageServiceRefCount--; + ts.Debug.assert(entry.languageServiceRefCount >= 0); + if (entry.languageServiceRefCount === 0) { + bucket.remove(path); + } + } + return { + acquireDocument: acquireDocument, + acquireDocumentWithKey: acquireDocumentWithKey, + updateDocument: updateDocument, + updateDocumentWithKey: updateDocumentWithKey, + releaseDocument: releaseDocument, + releaseDocumentWithKey: releaseDocumentWithKey, + reportStats: reportStats, + getKeyForCompilationSettings: getKeyForCompilationSettings + }; + } + ts.createDocumentRegistry = createDocumentRegistry; })(ts || (ts = {})); var ts; (function (ts) { - var JsDoc; - (function (JsDoc) { - var jsDocTagNames = [ - "augments", - "author", - "argument", - "borrows", - "class", - "constant", - "constructor", - "constructs", - "default", - "deprecated", - "description", - "event", - "example", - "extends", - "field", - "fileOverview", - "function", - "ignore", - "inner", - "lends", - "link", - "memberOf", - "name", - "namespace", - "param", - "private", - "property", - "public", - "requires", - "returns", - "see", - "since", - "static", - "throws", - "type", - "typedef", - "property", - "prop", - "version" - ]; - var jsDocCompletionEntries; - function getJsDocCommentsFromDeclarations(declarations) { - var documentationComment = []; - forEachUnique(declarations, function (declaration) { - var comments = ts.getJSDocComments(declaration, true); - if (!comments) { - return; - } - for (var _i = 0, comments_3 = comments; _i < comments_3.length; _i++) { - var comment = comments_3[_i]; - if (comment) { - if (documentationComment.length) { - documentationComment.push(ts.lineBreakPart()); - } - documentationComment.push(ts.textPart(comment)); + var FindAllReferences; + (function (FindAllReferences) { + function findReferencedSymbols(typeChecker, cancellationToken, sourceFiles, sourceFile, position, findInStrings, findInComments) { + var node = ts.getTouchingPropertyName(sourceFile, position, true); + if (node === sourceFile) { + return undefined; + } + switch (node.kind) { + case 8: + if (!ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { + break; } - } - }); - return documentationComment; + case 70: + case 98: + case 122: + case 9: + return getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, false); + } + return undefined; } - JsDoc.getJsDocCommentsFromDeclarations = getJsDocCommentsFromDeclarations; - function forEachUnique(array, callback) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - if (ts.indexOf(array, array[i]) === i) { - var result = callback(array[i], i); - if (result) { - return result; - } + FindAllReferences.findReferencedSymbols = findReferencedSymbols; + function getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, findInStrings, findInComments, implementations) { + if (!implementations) { + if (ts.isLabelName(node)) { + if (ts.isJumpStatementTarget(node)) { + var labelDefinition = ts.getTargetLabel(node.parent, node.text); + return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; + } + else { + return getLabelReferencesInNode(node.parent, node); } } + if (ts.isThis(node)) { + return getReferencesForThisKeyword(node, sourceFiles); + } + if (node.kind === 96) { + return getReferencesForSuperKeyword(node); + } } - return undefined; - } - function getAllJsDocCompletionEntries() { - return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { - return { - name: tagName, - kind: ts.ScriptElementKind.keyword, - kindModifiers: "", - sortText: "0", - }; - })); - } - JsDoc.getAllJsDocCompletionEntries = getAllJsDocCompletionEntries; - function getDocCommentTemplateAtPosition(newLine, sourceFile, position) { - if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { - return undefined; + var symbol = typeChecker.getSymbolAtLocation(node); + if (!implementations && !symbol && node.kind === 9) { + return getReferencesForStringLiteral(node, sourceFiles); } - var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); - var tokenStart = tokenAtPos.getStart(); - if (!tokenAtPos || tokenStart < position) { + if (!symbol) { return undefined; } - var commentOwner; - findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { - switch (commentOwner.kind) { - case 221: - case 148: - case 149: - case 222: - case 201: - break findOwner; - case 256: - return undefined; - case 226: - if (commentOwner.parent.kind === 226) { - return undefined; - } - break findOwner; - } - } - if (!commentOwner || commentOwner.getStart() < position) { + var declarations = symbol.declarations; + if (!declarations || !declarations.length) { return undefined; } - var parameters = getParametersForJsDocOwningNode(commentOwner); - var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); - var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; - var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); - var docParams = ""; - for (var i = 0, numParams = parameters.length; i < numParams; i++) { - var currentName = parameters[i].name; - var paramName = currentName.kind === 70 ? - currentName.text : - "param" + i; - docParams += indentationStr + " * @param " + paramName + newLine; - } - var preamble = "/**" + newLine + - indentationStr + " * "; - var result = preamble + newLine + - docParams + - indentationStr + " */" + - (tokenStart === position ? newLine + indentationStr : ""); - return { newText: result, caretOffset: preamble.length }; - } - JsDoc.getDocCommentTemplateAtPosition = getDocCommentTemplateAtPosition; - function getParametersForJsDocOwningNode(commentOwner) { - if (ts.isFunctionLike(commentOwner)) { - return commentOwner.parameters; + var result; + var searchMeaning = getIntersectingMeaningFromDeclarations(ts.getMeaningFromLocation(node), declarations); + var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var scope = getSymbolScope(symbol); + var symbolToIndex = []; + if (scope) { + result = []; + getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); } - if (commentOwner.kind === 201) { - var varStatement = commentOwner; - var varDeclarations = varStatement.declarationList.declarations; - if (varDeclarations.length === 1 && varDeclarations[0].initializer) { - return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); + else { + var internedName = getInternedName(symbol, node); + for (var _i = 0, sourceFiles_8 = sourceFiles; _i < sourceFiles_8.length; _i++) { + var sourceFile = sourceFiles_8[_i]; + cancellationToken.throwIfCancellationRequested(); + var nameTable = ts.getNameTable(sourceFile); + if (nameTable[internedName] !== undefined) { + result = result || []; + getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } } } - return ts.emptyArray; - } - function getParametersFromRightHandSideOfAssignment(rightHandSide) { - while (rightHandSide.kind === 179) { - rightHandSide = rightHandSide.expression; + return result; + function getDefinition(symbol) { + var info = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, node.getSourceFile(), ts.getContainerNode(node), node); + var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); + var declarations = symbol.declarations; + if (!declarations || declarations.length === 0) { + return undefined; + } + return { + containerKind: "", + containerName: "", + name: name, + kind: info.symbolKind, + fileName: declarations[0].getSourceFile().fileName, + textSpan: ts.createTextSpan(declarations[0].getStart(), 0), + displayParts: info.displayParts + }; } - switch (rightHandSide.kind) { - case 180: - case 181: - return rightHandSide.parameters; - case 193: - for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 149) { - return member.parameters; - } + function getAliasSymbolForPropertyNameSymbol(symbol, location) { + if (symbol.flags & 8388608) { + var defaultImport = ts.getDeclarationOfKind(symbol, 232); + if (defaultImport) { + return typeChecker.getAliasedSymbol(symbol); } - break; - } - return ts.emptyArray; - } - })(JsDoc = ts.JsDoc || (ts.JsDoc = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var JsTyping; - (function (JsTyping) { - ; - ; - var safeList; - var EmptySafeList = ts.createMap(); - function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions) { - var inferredTypings = ts.createMap(); - if (!typingOptions || !typingOptions.enableAutoDiscovery) { - return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] }; + var importOrExportSpecifier = ts.forEach(symbol.declarations, function (declaration) { return (declaration.kind === 235 || + declaration.kind === 239) ? declaration : undefined; }); + if (importOrExportSpecifier && + (!importOrExportSpecifier.propertyName || + importOrExportSpecifier.propertyName === location)) { + return importOrExportSpecifier.kind === 235 ? + typeChecker.getAliasedSymbol(symbol) : + typeChecker.getExportSpecifierLocalTargetSymbol(importOrExportSpecifier); + } + } + return undefined; } - fileNames = ts.filter(ts.map(fileNames, ts.normalizePath), function (f) { - var kind = ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)); - return kind === 1 || kind === 2; - }); - if (!safeList) { - var result = ts.readConfigFile(safeListPath, function (path) { return host.readFile(path); }); - safeList = result.config ? ts.createMap(result.config) : EmptySafeList; + function followAliasIfNecessary(symbol, location) { + return getAliasSymbolForPropertyNameSymbol(symbol, location) || symbol; } - var filesToWatch = []; - var searchDirs = []; - var exclude = []; - mergeTypings(typingOptions.include); - exclude = typingOptions.exclude || []; - var possibleSearchDirs = ts.map(fileNames, ts.getDirectoryPath); - if (projectRootPath !== undefined) { - possibleSearchDirs.push(projectRootPath); + function getPropertySymbolOfDestructuringAssignment(location) { + return ts.isArrayLiteralOrObjectLiteralDestructuringPattern(location.parent.parent) && + typeChecker.getPropertySymbolOfDestructuringAssignment(location); } - searchDirs = ts.deduplicate(possibleSearchDirs); - for (var _i = 0, searchDirs_1 = searchDirs; _i < searchDirs_1.length; _i++) { - var searchDir = searchDirs_1[_i]; - var packageJsonPath = ts.combinePaths(searchDir, "package.json"); - getTypingNamesFromJson(packageJsonPath, filesToWatch); - var bowerJsonPath = ts.combinePaths(searchDir, "bower.json"); - getTypingNamesFromJson(bowerJsonPath, filesToWatch); - var nodeModulesPath = ts.combinePaths(searchDir, "node_modules"); - getTypingNamesFromNodeModuleFolder(nodeModulesPath); + function isObjectBindingPatternElementWithoutPropertyName(symbol) { + var bindingElement = ts.getDeclarationOfKind(symbol, 170); + return bindingElement && + bindingElement.parent.kind === 168 && + !bindingElement.propertyName; } - getTypingNamesFromSourceFileNames(fileNames); - for (var name_48 in packageNameToTypingLocation) { - if (name_48 in inferredTypings && !inferredTypings[name_48]) { - inferredTypings[name_48] = packageNameToTypingLocation[name_48]; + function getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol) { + if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { + var bindingElement = ts.getDeclarationOfKind(symbol, 170); + var typeOfPattern = typeChecker.getTypeAtLocation(bindingElement.parent); + return typeOfPattern && typeChecker.getPropertyOfType(typeOfPattern, bindingElement.name.text); } + return undefined; } - for (var _a = 0, exclude_1 = exclude; _a < exclude_1.length; _a++) { - var excludeTypingName = exclude_1[_a]; - delete inferredTypings[excludeTypingName]; - } - var newTypingNames = []; - var cachedTypingPaths = []; - for (var typing in inferredTypings) { - if (inferredTypings[typing] !== undefined) { - cachedTypingPaths.push(inferredTypings[typing]); - } - else { - newTypingNames.push(typing); + function getInternedName(symbol, location) { + if (ts.isImportOrExportSpecifierName(location)) { + return location.getText(); } + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + symbol = localExportDefaultSymbol || symbol; + return ts.stripQuotes(symbol.name); } - return { cachedTypingPaths: cachedTypingPaths, newTypingNames: newTypingNames, filesToWatch: filesToWatch }; - function mergeTypings(typingNames) { - if (!typingNames) { - return; + function getSymbolScope(symbol) { + var valueDeclaration = symbol.valueDeclaration; + if (valueDeclaration && (valueDeclaration.kind === 180 || valueDeclaration.kind === 193)) { + return valueDeclaration; } - for (var _i = 0, typingNames_1 = typingNames; _i < typingNames_1.length; _i++) { - var typing = typingNames_1[_i]; - if (!(typing in inferredTypings)) { - inferredTypings[typing] = undefined; + if (symbol.flags & (4 | 8192)) { + var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (ts.getModifierFlags(d) & 8) ? d : undefined; }); + if (privateDeclaration) { + return ts.getAncestor(privateDeclaration, 222); } } - } - function getTypingNamesFromJson(jsonPath, filesToWatch) { - var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }); - if (result.config) { - var jsonConfig = result.config; - filesToWatch.push(jsonPath); - if (jsonConfig.dependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.dependencies)); - } - if (jsonConfig.devDependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.devDependencies)); - } - if (jsonConfig.optionalDependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.optionalDependencies)); - } - if (jsonConfig.peerDependencies) { - mergeTypings(ts.getOwnKeys(jsonConfig.peerDependencies)); - } + if (symbol.flags & 8388608) { + return undefined; } - } - function getTypingNamesFromSourceFileNames(fileNames) { - var jsFileNames = ts.filter(fileNames, ts.hasJavaScriptFileExtension); - var inferredTypingNames = ts.map(jsFileNames, function (f) { return ts.removeFileExtension(ts.getBaseFileName(f.toLowerCase())); }); - var cleanedTypingNames = ts.map(inferredTypingNames, function (f) { return f.replace(/((?:\.|-)min(?=\.|$))|((?:-|\.)\d+)/g, ""); }); - if (safeList !== EmptySafeList) { - mergeTypings(ts.filter(cleanedTypingNames, function (f) { return f in safeList; })); + if (isObjectBindingPatternElementWithoutPropertyName(symbol)) { + return undefined; } - var hasJsxFile = ts.forEach(fileNames, function (f) { return ts.ensureScriptKind(f, ts.getScriptKindFromFileName(f)) === 2; }); - if (hasJsxFile) { - mergeTypings(["react"]); + if (symbol.parent || (symbol.flags & 268435456)) { + return undefined; + } + var scope; + var declarations = symbol.getDeclarations(); + if (declarations) { + for (var _i = 0, declarations_7 = declarations; _i < declarations_7.length; _i++) { + var declaration = declarations_7[_i]; + var container = ts.getContainerNode(declaration); + if (!container) { + return undefined; + } + if (scope && scope !== container) { + return undefined; + } + if (container.kind === 256 && !ts.isExternalModule(container)) { + return undefined; + } + scope = container; + } } + return scope; } - function getTypingNamesFromNodeModuleFolder(nodeModulesPath) { - if (!host.directoryExists(nodeModulesPath)) { - return; + function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { + var positions = []; + if (!symbolName || !symbolName.length) { + return positions; } - var typingNames = []; - var fileNames = host.readDirectory(nodeModulesPath, [".json"], undefined, undefined, 2); - for (var _i = 0, fileNames_2 = fileNames; _i < fileNames_2.length; _i++) { - var fileName = fileNames_2[_i]; - var normalizedFileName = ts.normalizePath(fileName); - if (ts.getBaseFileName(normalizedFileName) !== "package.json") { - continue; - } - var result = ts.readConfigFile(normalizedFileName, function (path) { return host.readFile(path); }); - if (!result.config) { - continue; - } - var packageJson = result.config; - if (packageJson._requiredBy && - ts.filter(packageJson._requiredBy, function (r) { return r[0] === "#" || r === "/"; }).length === 0) { - continue; + var text = sourceFile.text; + var sourceLength = text.length; + var symbolNameLength = symbolName.length; + var position = text.indexOf(symbolName, start); + while (position >= 0) { + cancellationToken.throwIfCancellationRequested(); + if (position > end) + break; + var endPosition = position + symbolNameLength; + if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 4)) && + (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 4))) { + positions.push(position); } - if (!packageJson.name) { - continue; + position = text.indexOf(symbolName, position + symbolNameLength + 1); + } + return positions; + } + function getLabelReferencesInNode(container, targetLabel) { + var references = []; + var sourceFile = container.getSourceFile(); + var labelName = targetLabel.text; + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.getWidth() !== labelName.length) { + return; } - if (packageJson.typings) { - var absolutePath = ts.getNormalizedAbsolutePath(packageJson.typings, ts.getDirectoryPath(normalizedFileName)); - inferredTypings[packageJson.name] = absolutePath; + if (node === targetLabel || + (ts.isJumpStatementTarget(node) && ts.getTargetLabel(node, labelName) === targetLabel)) { + references.push(getReferenceEntryFromNode(node)); } - else { - typingNames.push(packageJson.name); + }); + var definition = { + containerKind: "", + containerName: "", + fileName: targetLabel.getSourceFile().fileName, + kind: ts.ScriptElementKind.label, + name: labelName, + textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()), + displayParts: [ts.displayPart(labelName, ts.SymbolDisplayPartKind.text)] + }; + return [{ definition: definition, references: references }]; + } + function isValidReferencePosition(node, searchSymbolName) { + if (node) { + switch (node.kind) { + case 70: + return node.getWidth() === searchSymbolName.length; + case 9: + if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + return node.getWidth() === searchSymbolName.length + 2; + } + break; + case 8: + if (ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { + return node.getWidth() === searchSymbolName.length; + } + break; } } - mergeTypings(typingNames); + return false; } - } - JsTyping.discoverTypings = discoverTypings; - })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var NavigateTo; - (function (NavigateTo) { - function getNavigateToItems(sourceFiles, checker, cancellationToken, searchValue, maxResultCount, excludeDtsFiles) { - var patternMatcher = ts.createPatternMatcher(searchValue); - var rawItems = []; - ts.forEach(sourceFiles, function (sourceFile) { - cancellationToken.throwIfCancellationRequested(); - if (excludeDtsFiles && ts.fileExtensionIs(sourceFile.fileName, ".d.ts")) { - return; - } - var nameToDeclarations = sourceFile.getNamedDeclarations(); - for (var name_49 in nameToDeclarations) { - var declarations = nameToDeclarations[name_49]; - if (declarations) { - var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_49); - if (!matches) { - continue; + function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { + var sourceFile = container.getSourceFile(); + var start = findInComments ? container.getFullStart() : container.getStart(); + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, searchText, start, container.getEnd()); + var parents = getParentSymbolsOfPropertyAccess(); + var inheritsFromCache = ts.createMap(); + if (possiblePositions.length) { + var searchSymbols_1 = populateSearchSymbolSet(searchSymbol, searchLocation); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var referenceLocation = ts.getTouchingPropertyName(sourceFile, position); + if (!isValidReferencePosition(referenceLocation, searchText)) { + if (!implementations && ((findInStrings && ts.isInString(sourceFile, position)) || + (findInComments && ts.isInNonReferenceComment(sourceFile, position)))) { + result.push({ + definition: undefined, + references: [{ + fileName: sourceFile.fileName, + textSpan: ts.createTextSpan(position, searchText.length), + isWriteAccess: false, + isDefinition: false + }] + }); + } + return; } - for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { - var declaration = declarations_9[_i]; - if (patternMatcher.patternContainsDots) { - var containers = getContainers(declaration); - if (!containers) { - return undefined; + if (!(ts.getMeaningFromLocation(referenceLocation) & searchMeaning)) { + return; + } + var referenceSymbol = typeChecker.getSymbolAtLocation(referenceLocation); + if (referenceSymbol) { + var referenceSymbolDeclaration = referenceSymbol.valueDeclaration; + var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(referenceSymbolDeclaration); + var relatedSymbol = getRelatedSymbol(searchSymbols_1, referenceSymbol, referenceLocation, searchLocation.kind === 122, parents, inheritsFromCache); + if (relatedSymbol) { + addReferenceToRelatedSymbol(referenceLocation, relatedSymbol); + } + else if (!(referenceSymbol.flags & 67108864) && searchSymbols_1.indexOf(shorthandValueSymbol) >= 0) { + addReferenceToRelatedSymbol(referenceSymbolDeclaration.name, shorthandValueSymbol); + } + else if (searchLocation.kind === 122) { + findAdditionalConstructorReferences(referenceSymbol, referenceLocation); + } + } + }); + } + return; + function getParentSymbolsOfPropertyAccess() { + if (implementations) { + var propertyAccessExpression = getPropertyAccessExpressionFromRightHandSide(searchLocation); + if (propertyAccessExpression) { + var localParentType = typeChecker.getTypeAtLocation(propertyAccessExpression.expression); + if (localParentType) { + if (localParentType.symbol && localParentType.symbol.flags & (32 | 64) && localParentType.symbol !== searchSymbol.parent) { + return [localParentType.symbol]; } - matches = patternMatcher.getMatches(containers, name_49); - if (!matches) { - continue; + else if (localParentType.flags & 196608) { + return getSymbolsForClassAndInterfaceComponents(localParentType); } } - var fileName = sourceFile.fileName; - var matchKind = bestMatchKind(matches); - rawItems.push({ name: name_49, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); } } } - }); - rawItems = ts.filter(rawItems, function (item) { - var decl = item.declaration; - if (decl.kind === 232 || decl.kind === 235 || decl.kind === 230) { - var importer = checker.getSymbolAtLocation(decl.name); - var imported = checker.getAliasedSymbol(importer); - return importer.name !== imported.name; + function getPropertyAccessExpressionFromRightHandSide(node) { + return ts.isRightSideOfPropertyAccess(node) && node.parent; } - else { - return true; + function findAdditionalConstructorReferences(referenceSymbol, referenceLocation) { + ts.Debug.assert(ts.isClassLike(searchSymbol.valueDeclaration)); + var referenceClass = referenceLocation.parent; + if (referenceSymbol === searchSymbol && ts.isClassLike(referenceClass)) { + ts.Debug.assert(referenceClass.name === referenceLocation); + addReferences(findOwnConstructorCalls(searchSymbol)); + } + else { + var classExtending = tryGetClassByExtendingIdentifier(referenceLocation); + if (classExtending && ts.isClassLike(classExtending) && followAliasIfNecessary(referenceSymbol, referenceLocation) === searchSymbol) { + addReferences(superConstructorAccesses(classExtending)); + } + } } - }); - rawItems.sort(compareNavigateToItems); - if (maxResultCount !== undefined) { - rawItems = rawItems.slice(0, maxResultCount); - } - var items = ts.map(rawItems, createNavigateToItem); - return items; - function allMatchesAreCaseSensitive(matches) { - ts.Debug.assert(matches.length > 0); - for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { - var match = matches_2[_i]; - if (!match.isCaseSensitive) { - return false; + function addReferences(references) { + if (references.length) { + var referencedSymbol = getReferencedSymbol(searchSymbol); + ts.addRange(referencedSymbol.references, ts.map(references, getReferenceEntryFromNode)); } } - return true; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 70 || - node.kind === 9 || - node.kind === 8) { - return node.text; + function findOwnConstructorCalls(classSymbol) { + var result = []; + for (var _i = 0, _a = classSymbol.members["__constructor"].declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + ts.Debug.assert(decl.kind === 149); + var ctrKeyword = decl.getChildAt(0); + ts.Debug.assert(ctrKeyword.kind === 122); + result.push(ctrKeyword); } + ts.forEachProperty(classSymbol.exports, function (member) { + var decl = member.valueDeclaration; + if (decl && decl.kind === 148) { + var body = decl.body; + if (body) { + forEachDescendantOfKind(body, 98, function (thisKeyword) { + if (ts.isNewExpressionTarget(thisKeyword)) { + result.push(thisKeyword); + } + }); + } + } + }); + return result; } - return undefined; - } - function tryAddSingleDeclarationName(declaration, containers) { - if (declaration && declaration.name) { - var text = getTextOfIdentifierOrLiteral(declaration.name); - if (text !== undefined) { - containers.unshift(text); + function superConstructorAccesses(cls) { + var symbol = cls.symbol; + var ctr = symbol.members["__constructor"]; + if (!ctr) { + return []; } - else if (declaration.name.kind === 141) { - return tryAddComputedPropertyName(declaration.name.expression, containers, true); + var result = []; + for (var _i = 0, _a = ctr.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + ts.Debug.assert(decl.kind === 149); + var body = decl.body; + if (body) { + forEachDescendantOfKind(body, 96, function (node) { + if (ts.isCallExpressionTarget(node)) { + result.push(node); + } + }); + } + } + ; + return result; + } + function getReferencedSymbol(symbol) { + var symbolId = ts.getSymbolId(symbol); + var index = symbolToIndex[symbolId]; + if (index === undefined) { + index = result.length; + symbolToIndex[symbolId] = index; + result.push({ + definition: getDefinition(symbol), + references: [] + }); + } + return result[index]; + } + function addReferenceToRelatedSymbol(node, relatedSymbol) { + var references = getReferencedSymbol(relatedSymbol).references; + if (implementations) { + getImplementationReferenceEntryForNode(node, references); } else { - return false; + references.push(getReferenceEntryFromNode(node)); } } - return true; } - function tryAddComputedPropertyName(expression, containers, includeLastPortion) { - var text = getTextOfIdentifierOrLiteral(expression); - if (text !== undefined) { - if (includeLastPortion) { - containers.unshift(text); + function getImplementationReferenceEntryForNode(refNode, result) { + if (ts.isDeclarationName(refNode) && isImplementation(refNode.parent)) { + result.push(getReferenceEntryFromNode(refNode.parent)); + } + else if (refNode.kind === 70) { + if (refNode.parent.kind === 254) { + getReferenceEntriesForShorthandPropertyAssignment(refNode, typeChecker, result); + } + var containingClass = getContainingClassIfInHeritageClause(refNode); + if (containingClass) { + result.push(getReferenceEntryFromNode(containingClass)); + return; + } + var containingTypeReference = getContainingTypeReference(refNode); + if (containingTypeReference) { + var parent_21 = containingTypeReference.parent; + if (ts.isVariableLike(parent_21) && parent_21.type === containingTypeReference && parent_21.initializer && isImplementationExpression(parent_21.initializer)) { + maybeAdd(getReferenceEntryFromNode(parent_21.initializer)); + } + else if (ts.isFunctionLike(parent_21) && parent_21.type === containingTypeReference && parent_21.body) { + if (parent_21.body.kind === 200) { + ts.forEachReturnStatement(parent_21.body, function (returnStatement) { + if (returnStatement.expression && isImplementationExpression(returnStatement.expression)) { + maybeAdd(getReferenceEntryFromNode(returnStatement.expression)); + } + }); + } + else if (isImplementationExpression(parent_21.body)) { + maybeAdd(getReferenceEntryFromNode(parent_21.body)); + } + } + else if (ts.isAssertionExpression(parent_21) && isImplementationExpression(parent_21.expression)) { + maybeAdd(getReferenceEntryFromNode(parent_21.expression)); + } } - return true; } - if (expression.kind === 173) { - var propertyAccess = expression; - if (includeLastPortion) { - containers.unshift(propertyAccess.name.text); + function maybeAdd(a) { + if (!ts.forEach(result, function (b) { return a.fileName === b.fileName && a.textSpan.start === b.textSpan.start && a.textSpan.length === b.textSpan.length; })) { + result.push(a); } - return tryAddComputedPropertyName(propertyAccess.expression, containers, true); } - return false; } - function getContainers(declaration) { - var containers = []; - if (declaration.name.kind === 141) { - if (!tryAddComputedPropertyName(declaration.name.expression, containers, false)) { - return undefined; + function getSymbolsForClassAndInterfaceComponents(type, result) { + if (result === void 0) { result = []; } + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var componentType = _a[_i]; + if (componentType.symbol && componentType.symbol.getFlags() & (32 | 64)) { + result.push(componentType.symbol); } - } - declaration = ts.getContainerNode(declaration); - while (declaration) { - if (!tryAddSingleDeclarationName(declaration, containers)) { - return undefined; + if (componentType.getFlags() & 196608) { + getSymbolsForClassAndInterfaceComponents(componentType, result); } - declaration = ts.getContainerNode(declaration); } - return containers; + return result; } - function bestMatchKind(matches) { - ts.Debug.assert(matches.length > 0); - var bestMatchKind = ts.PatternMatchKind.camelCase; - for (var _i = 0, matches_3 = matches; _i < matches_3.length; _i++) { - var match = matches_3[_i]; - var kind = match.kind; - if (kind < bestMatchKind) { - bestMatchKind = kind; + function getContainingTypeReference(node) { + var topLevelTypeReference = undefined; + while (node) { + if (ts.isTypeNode(node)) { + topLevelTypeReference = node; } + node = node.parent; } - return bestMatchKind; - } - function compareNavigateToItems(i1, i2) { - return i1.matchKind - i2.matchKind || - ts.compareStringsCaseInsensitive(i1.name, i2.name) || - ts.compareStrings(i1.name, i2.name); - } - function createNavigateToItem(rawItem) { - var declaration = rawItem.declaration; - var container = ts.getContainerNode(declaration); - return { - name: rawItem.name, - kind: ts.getNodeKind(declaration), - kindModifiers: ts.getNodeModifiers(declaration), - matchKind: ts.PatternMatchKind[rawItem.matchKind], - isCaseSensitive: rawItem.isCaseSensitive, - fileName: rawItem.fileName, - textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), - containerName: container && container.name ? container.name.text : "", - containerKind: container && container.name ? ts.getNodeKind(container) : "" - }; - } - } - NavigateTo.getNavigateToItems = getNavigateToItems; - })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var NavigationBar; - (function (NavigationBar) { - function getNavigationBarItems(sourceFile) { - curSourceFile = sourceFile; - var result = ts.map(topLevelItems(rootNavigationBarNode(sourceFile)), convertToTopLevelItem); - curSourceFile = undefined; - return result; - } - NavigationBar.getNavigationBarItems = getNavigationBarItems; - function getNavigationTree(sourceFile) { - curSourceFile = sourceFile; - var result = convertToTree(rootNavigationBarNode(sourceFile)); - curSourceFile = undefined; - return result; - } - NavigationBar.getNavigationTree = getNavigationTree; - var curSourceFile; - function nodeText(node) { - return node.getText(curSourceFile); - } - function navigationBarNodeKind(n) { - return n.node.kind; - } - function pushChild(parent, child) { - if (parent.children) { - parent.children.push(child); - } - else { - parent.children = [child]; - } - } - var parentsStack = []; - var parent; - function rootNavigationBarNode(sourceFile) { - ts.Debug.assert(!parentsStack.length); - var root = { node: sourceFile, additionalNodes: undefined, parent: undefined, children: undefined, indent: 0 }; - parent = root; - for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - addChildrenRecursively(statement); - } - endNode(); - ts.Debug.assert(!parent && !parentsStack.length); - return root; - } - function addLeafNode(node) { - pushChild(parent, emptyNavigationBarNode(node)); - } - function emptyNavigationBarNode(node) { - return { - node: node, - additionalNodes: undefined, - parent: parent, - children: undefined, - indent: parent.indent + 1 - }; - } - function startNode(node) { - var navNode = emptyNavigationBarNode(node); - pushChild(parent, navNode); - parentsStack.push(parent); - parent = navNode; - } - function endNode() { - if (parent.children) { - mergeChildren(parent.children); - sortChildren(parent.children); - } - parent = parentsStack.pop(); - } - function addNodeWithRecursiveChild(node, child) { - startNode(node); - addChildrenRecursively(child); - endNode(); - } - function addChildrenRecursively(node) { - if (!node || ts.isToken(node)) { - return; + return topLevelTypeReference; } - switch (node.kind) { - case 149: - var ctr = node; - addNodeWithRecursiveChild(ctr, ctr.body); - for (var _i = 0, _a = ctr.parameters; _i < _a.length; _i++) { - var param = _a[_i]; - if (ts.isParameterPropertyDeclaration(param)) { - addLeafNode(param); - } + function getContainingClassIfInHeritageClause(node) { + if (node && node.parent) { + if (node.kind === 195 + && node.parent.kind === 251 + && ts.isClassLike(node.parent.parent)) { + return node.parent.parent; } - break; - case 148: - case 150: - case 151: - case 147: - if (!ts.hasDynamicName(node)) { - addNodeWithRecursiveChild(node, node.body); + else if (node.kind === 70 || node.kind === 173) { + return getContainingClassIfInHeritageClause(node.parent); } - break; - case 146: - case 145: - if (!ts.hasDynamicName(node)) { - addLeafNode(node); + } + return undefined; + } + function isImplementationExpression(node) { + if (node.kind === 179) { + return isImplementationExpression(node.expression); + } + return node.kind === 181 || + node.kind === 180 || + node.kind === 172 || + node.kind === 193 || + node.kind === 171; + } + function explicitlyInheritsFrom(child, parent, cachedResults) { + var parentIsInterface = parent.getFlags() & 64; + return searchHierarchy(child); + function searchHierarchy(symbol) { + if (symbol === parent) { + return true; } - break; - case 232: - var importClause = node; - if (importClause.name) { - addLeafNode(importClause); + var key = ts.getSymbolId(symbol) + "," + ts.getSymbolId(parent); + if (key in cachedResults) { + return cachedResults[key]; } - var namedBindings = importClause.namedBindings; - if (namedBindings) { - if (namedBindings.kind === 233) { - addLeafNode(namedBindings); + cachedResults[key] = false; + var inherits = ts.forEach(symbol.getDeclarations(), function (declaration) { + if (ts.isClassLike(declaration)) { + if (parentIsInterface) { + var interfaceReferences = ts.getClassImplementsHeritageClauseElements(declaration); + if (interfaceReferences) { + for (var _i = 0, interfaceReferences_1 = interfaceReferences; _i < interfaceReferences_1.length; _i++) { + var typeReference = interfaceReferences_1[_i]; + if (searchTypeReference(typeReference)) { + return true; + } + } + } + } + return searchTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); } - else { - for (var _b = 0, _c = namedBindings.elements; _b < _c.length; _b++) { - var element = _c[_b]; - addLeafNode(element); + else if (declaration.kind === 223) { + if (parentIsInterface) { + return ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), searchTypeReference); } } + return false; + }); + cachedResults[key] = inherits; + return inherits; + } + function searchTypeReference(typeReference) { + if (typeReference) { + var type = typeChecker.getTypeAtLocation(typeReference); + if (type && type.symbol) { + return searchHierarchy(type.symbol); + } } - break; - case 170: - case 219: - var decl = node; - var name_50 = decl.name; - if (ts.isBindingPattern(name_50)) { - addChildrenRecursively(name_50); - } - else if (decl.initializer && isFunctionOrClassExpression(decl.initializer)) { - addChildrenRecursively(decl.initializer); + return false; + } + } + function getReferencesForSuperKeyword(superKeyword) { + var searchSpaceNode = ts.getSuperContainer(superKeyword, false); + if (!searchSpaceNode) { + return undefined; + } + var staticFlag = 32; + switch (searchSpaceNode.kind) { + case 146: + case 145: + case 148: + case 147: + case 149: + case 150: + case 151: + staticFlag &= ts.getModifierFlags(searchSpaceNode); + searchSpaceNode = searchSpaceNode.parent; + break; + default: + return undefined; + } + var references = []; + var sourceFile = searchSpaceNode.getSourceFile(); + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.kind !== 96) { + return; } - else { - addNodeWithRecursiveChild(decl, decl.initializer); + var container = ts.getSuperContainer(node, false); + if (container && (32 & ts.getModifierFlags(container)) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { + references.push(getReferenceEntryFromNode(node)); } - break; - case 181: - case 221: - case 180: - addNodeWithRecursiveChild(node, node.body); - break; - case 225: - startNode(node); - for (var _d = 0, _e = node.members; _d < _e.length; _d++) { - var member = _e[_d]; - if (!isComputedProperty(member)) { - addLeafNode(member); + }); + var definition = getDefinition(searchSpaceNode.symbol); + return [{ definition: definition, references: references }]; + } + function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { + var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, false); + var staticFlag = 32; + switch (searchSpaceNode.kind) { + case 148: + case 147: + if (ts.isObjectLiteralMethod(searchSpaceNode)) { + break; } - } - endNode(); - break; - case 222: - case 193: - case 223: - startNode(node); - for (var _f = 0, _g = node.members; _f < _g.length; _f++) { - var member = _g[_f]; - addChildrenRecursively(member); - } - endNode(); - break; - case 226: - addNodeWithRecursiveChild(node, getInteriorModule(node).body); - break; - case 239: - case 230: - case 154: - case 152: - case 153: - case 224: - addLeafNode(node); - break; - default: - ts.forEach(node.jsDocComments, function (jsDocComment) { - ts.forEach(jsDocComment.tags, function (tag) { - if (tag.kind === 279) { - addLeafNode(tag); - } - }); + case 146: + case 145: + case 149: + case 150: + case 151: + staticFlag &= ts.getModifierFlags(searchSpaceNode); + searchSpaceNode = searchSpaceNode.parent; + break; + case 256: + if (ts.isExternalModule(searchSpaceNode)) { + return undefined; + } + case 221: + case 180: + break; + default: + return undefined; + } + var references = []; + var possiblePositions; + if (searchSpaceNode.kind === 256) { + ts.forEach(sourceFiles, function (sourceFile) { + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); + getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); }); - ts.forEachChild(node, addChildrenRecursively); + } + else { + var sourceFile = searchSpaceNode.getSourceFile(); + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); + } + var thisOrSuperSymbol = typeChecker.getSymbolAtLocation(thisOrSuperKeyword); + var displayParts = thisOrSuperSymbol && ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, thisOrSuperSymbol, thisOrSuperKeyword.getSourceFile(), ts.getContainerNode(thisOrSuperKeyword), thisOrSuperKeyword).displayParts; + return [{ + definition: { + containerKind: "", + containerName: "", + fileName: node.getSourceFile().fileName, + kind: ts.ScriptElementKind.variableElement, + name: "this", + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + displayParts: displayParts + }, + references: references + }]; + function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || !ts.isThis(node)) { + return; + } + var container = ts.getThisContainer(node, false); + switch (searchSpaceNode.kind) { + case 180: + case 221: + if (searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 148: + case 147: + if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 193: + case 222: + if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (ts.getModifierFlags(container) & 32) === staticFlag) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 256: + if (container.kind === 256 && !ts.isExternalModule(container)) { + result.push(getReferenceEntryFromNode(node)); + } + break; + } + }); + } } - } - function mergeChildren(children) { - var nameToItems = ts.createMap(); - ts.filterMutate(children, function (child) { - var decl = child.node; - var name = decl.name && nodeText(decl.name); - if (!name) { - return true; + function getReferencesForStringLiteral(node, sourceFiles) { + var type = ts.getStringLiteralTypeForNode(node, typeChecker); + if (!type) { + return undefined; } - var itemsWithSameName = nameToItems[name]; - if (!itemsWithSameName) { - nameToItems[name] = child; - return true; + var references = []; + for (var _i = 0, sourceFiles_9 = sourceFiles; _i < sourceFiles_9.length; _i++) { + var sourceFile = sourceFiles_9[_i]; + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, type.text, sourceFile.getStart(), sourceFile.getEnd()); + getReferencesForStringLiteralInFile(sourceFile, type, possiblePositions, references); } - if (itemsWithSameName instanceof Array) { - for (var _i = 0, itemsWithSameName_1 = itemsWithSameName; _i < itemsWithSameName_1.length; _i++) { - var itemWithSameName = itemsWithSameName_1[_i]; - if (tryMerge(itemWithSameName, child)) { - return false; + return [{ + definition: { + containerKind: "", + containerName: "", + fileName: node.getSourceFile().fileName, + kind: ts.ScriptElementKind.variableElement, + name: type.text, + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + displayParts: [ts.displayPart(ts.getTextOfNode(node), ts.SymbolDisplayPartKind.stringLiteral)] + }, + references: references + }]; + function getReferencesForStringLiteralInFile(sourceFile, searchType, possiblePositions, references) { + for (var _i = 0, possiblePositions_1 = possiblePositions; _i < possiblePositions_1.length; _i++) { + var position = possiblePositions_1[_i]; + cancellationToken.throwIfCancellationRequested(); + var node_2 = ts.getTouchingWord(sourceFile, position); + if (!node_2 || node_2.kind !== 9) { + return; + } + var type_2 = ts.getStringLiteralTypeForNode(node_2, typeChecker); + if (type_2 === searchType) { + references.push(getReferenceEntryFromNode(node_2)); } } - itemsWithSameName.push(child); - return true; } - else { - var itemWithSameName = itemsWithSameName; - if (tryMerge(itemWithSameName, child)) { - return false; + } + function populateSearchSymbolSet(symbol, location) { + var result = [symbol]; + var containingObjectLiteralElement = getContainingObjectLiteralElement(location); + if (containingObjectLiteralElement && containingObjectLiteralElement.kind !== 254) { + var propertySymbol = getPropertySymbolOfDestructuringAssignment(location); + if (propertySymbol) { + result.push(propertySymbol); } - nameToItems[name] = [itemWithSameName, child]; - return true; } - function tryMerge(a, b) { - if (shouldReallyMerge(a.node, b.node)) { - merge(a, b); - return true; + var aliasSymbol = getAliasSymbolForPropertyNameSymbol(symbol, location); + if (aliasSymbol) { + result = result.concat(populateSearchSymbolSet(aliasSymbol, location)); + } + if (containingObjectLiteralElement) { + ts.forEach(getPropertySymbolsFromContextualType(containingObjectLiteralElement), function (contextualSymbol) { + ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); + }); + var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); + if (shorthandValueSymbol) { + result.push(shorthandValueSymbol); } - return false; } - }); - function shouldReallyMerge(a, b) { - return a.kind === b.kind && (a.kind !== 226 || areSameModule(a, b)); - function areSameModule(a, b) { - if (a.body.kind !== b.body.kind) { - return false; + if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 143 && + ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { + result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); + } + var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(symbol); + if (bindingElementPropertySymbol) { + result.push(bindingElementPropertySymbol); + } + ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + if (rootSymbol !== symbol) { + result.push(rootSymbol); } - if (a.body.kind !== 226) { - return true; + if (!implementations && rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, ts.createMap()); } - return areSameModule(a.body, b.body); - } + }); + return result; } - function merge(target, source) { - target.additionalNodes = target.additionalNodes || []; - target.additionalNodes.push(source.node); - if (source.additionalNodes) { - (_a = target.additionalNodes).push.apply(_a, source.additionalNodes); + function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { + if (!symbol) { + return; } - target.children = ts.concatenate(target.children, source.children); - if (target.children) { - mergeChildren(target.children); - sortChildren(target.children); + if (symbol.name in previousIterationSymbolsCache) { + return; + } + if (symbol.flags & (32 | 64)) { + ts.forEach(symbol.getDeclarations(), function (declaration) { + if (ts.isClassLike(declaration)) { + getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); + ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); + } + else if (declaration.kind === 223) { + ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); + } + }); + } + return; + function getPropertySymbolFromTypeReference(typeReference) { + if (typeReference) { + var type = typeChecker.getTypeAtLocation(typeReference); + if (type) { + var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); + if (propertySymbol) { + result.push.apply(result, typeChecker.getRootSymbols(propertySymbol)); + } + previousIterationSymbolsCache[symbol.name] = symbol; + getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); + } + } } - var _a; - } - } - function sortChildren(children) { - children.sort(compareChildren); - } - function compareChildren(child1, child2) { - var name1 = tryGetName(child1.node), name2 = tryGetName(child2.node); - if (name1 && name2) { - var cmp = localeCompareFix(name1, name2); - return cmp !== 0 ? cmp : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); - } - else { - return name1 ? 1 : name2 ? -1 : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); } - } - var localeCompareIsCorrect = ts.collator && ts.collator.compare("a", "B") < 0; - var localeCompareFix = localeCompareIsCorrect ? ts.collator.compare : function (a, b) { - for (var i = 0; i < Math.min(a.length, b.length); i++) { - var chA = a.charAt(i), chB = b.charAt(i); - if (chA === "\"" && chB === "'") { - return 1; + function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation, searchLocationIsConstructor, parents, cache) { + if (ts.contains(searchSymbols, referenceSymbol)) { + return (!searchLocationIsConstructor || ts.isNewExpressionTarget(referenceLocation)) && referenceSymbol; } - if (chA === "'" && chB === "\"") { - return -1; + var aliasSymbol = getAliasSymbolForPropertyNameSymbol(referenceSymbol, referenceLocation); + if (aliasSymbol) { + return getRelatedSymbol(searchSymbols, aliasSymbol, referenceLocation, searchLocationIsConstructor, parents, cache); } - var cmp = ts.compareStrings(chA.toLocaleLowerCase(), chB.toLocaleLowerCase()); - if (cmp !== 0) { - return cmp; + var containingObjectLiteralElement = getContainingObjectLiteralElement(referenceLocation); + if (containingObjectLiteralElement) { + var contextualSymbol = ts.forEach(getPropertySymbolsFromContextualType(containingObjectLiteralElement), function (contextualSymbol) { + return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + }); + if (contextualSymbol) { + return contextualSymbol; + } + var propertySymbol = getPropertySymbolOfDestructuringAssignment(referenceLocation); + if (propertySymbol && searchSymbols.indexOf(propertySymbol) >= 0) { + return propertySymbol; + } } - } - return a.length - b.length; - }; - function tryGetName(node) { - if (node.kind === 226) { - return getModuleName(node); - } - var decl = node; - if (decl.name) { - return ts.getPropertyNameForPropertyNameNode(decl.name); - } - switch (node.kind) { - case 180: - case 181: - case 193: - return getFunctionOrClassName(node); - case 279: - return getJSDocTypedefTagName(node); - default: - return undefined; - } - } - function getItemName(node) { - if (node.kind === 226) { - return getModuleName(node); - } - var name = node.name; - if (name) { - var text = nodeText(name); - if (text.length > 0) { - return text; + var bindingElementPropertySymbol = getPropertySymbolOfObjectBindingPatternWithoutPropertyName(referenceSymbol); + if (bindingElementPropertySymbol && searchSymbols.indexOf(bindingElementPropertySymbol) >= 0) { + return bindingElementPropertySymbol; } - } - switch (node.kind) { - case 256: - var sourceFile = node; - return ts.isExternalModule(sourceFile) - ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(sourceFile.fileName)))) + "\"" - : ""; - case 181: - case 221: - case 180: - case 222: - case 193: - if (ts.getModifierFlags(node) & 512) { - return "default"; + return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { + if (searchSymbols.indexOf(rootSymbol) >= 0) { + return rootSymbol; } - return getFunctionOrClassName(node); - case 149: - return "constructor"; - case 153: - return "new()"; - case 152: - return "()"; - case 154: - return "[]"; - case 279: - return getJSDocTypedefTagName(node); - default: - return ""; + if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { + if (parents) { + if (!ts.forEach(parents, function (parent) { return explicitlyInheritsFrom(rootSymbol.parent, parent, cache); })) { + return undefined; + } + } + var result_3 = []; + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_3, ts.createMap()); + return ts.forEach(result_3, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + } + return undefined; + }); } - } - function getJSDocTypedefTagName(node) { - if (node.name) { + function getNameFromObjectLiteralElement(node) { + if (node.name.kind === 141) { + var nameExpression = node.name.expression; + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + return undefined; + } return node.name.text; } - else { - var parentNode = node.parent && node.parent.parent; - if (parentNode && parentNode.kind === 201) { - if (parentNode.declarationList.declarations.length > 0) { - var nameIdentifier = parentNode.declarationList.declarations[0].name; - if (nameIdentifier.kind === 70) { - return nameIdentifier.text; + function getPropertySymbolsFromContextualType(node) { + var objectLiteral = node.parent; + var contextualType = typeChecker.getContextualType(objectLiteral); + var name = getNameFromObjectLiteralElement(node); + if (name && contextualType) { + var result_4 = []; + var symbol_2 = contextualType.getProperty(name); + if (symbol_2) { + result_4.push(symbol_2); + } + if (contextualType.flags & 65536) { + ts.forEach(contextualType.types, function (t) { + var symbol = t.getProperty(name); + if (symbol) { + result_4.push(symbol); + } + }); + } + return result_4; + } + return undefined; + } + function getIntersectingMeaningFromDeclarations(meaning, declarations) { + if (declarations) { + var lastIterationMeaning = void 0; + do { + lastIterationMeaning = meaning; + for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { + var declaration = declarations_8[_i]; + var declarationMeaning = ts.getMeaningFromDeclaration(declaration); + if (declarationMeaning & meaning) { + meaning |= declarationMeaning; + } } - } + } while (meaning !== lastIterationMeaning); } - return ""; + return meaning; } } - function topLevelItems(root) { - var topLevel = []; - function recur(item) { - if (isTopLevel(item)) { - topLevel.push(item); - if (item.children) { - for (var _i = 0, _a = item.children; _i < _a.length; _i++) { - var child = _a[_i]; - recur(child); - } - } + FindAllReferences.getReferencedSymbolsForNode = getReferencedSymbolsForNode; + function convertReferences(referenceSymbols) { + if (!referenceSymbols) { + return undefined; + } + var referenceEntries = []; + for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { + var referenceSymbol = referenceSymbols_1[_i]; + ts.addRange(referenceEntries, referenceSymbol.references); + } + return referenceEntries; + } + FindAllReferences.convertReferences = convertReferences; + function isImplementation(node) { + if (!node) { + return false; + } + else if (ts.isVariableLike(node)) { + if (node.initializer) { + return true; + } + else if (node.kind === 219) { + var parentStatement = getParentStatementOfVariableDeclaration(node); + return parentStatement && ts.hasModifier(parentStatement, 2); } } - recur(root); - return topLevel; - function isTopLevel(item) { - switch (navigationBarNodeKind(item)) { + else if (ts.isFunctionLike(node)) { + return !!node.body || ts.hasModifier(node, 2); + } + else { + switch (node.kind) { case 222: case 193: case 225: - case 223: case 226: - case 256: - case 224: - case 279: return true; - case 149: - case 148: - case 150: - case 151: - case 219: - return hasSomeImportantChild(item); - case 181: - case 221: - case 180: - return isTopLevelFunctionDeclaration(item); - default: - return false; } - function isTopLevelFunctionDeclaration(item) { - if (!item.node.body) { - return false; - } - switch (navigationBarNodeKind(item.parent)) { - case 227: - case 256: - case 148: - case 149: - return true; - default: - return hasSomeImportantChild(item); + } + return false; + } + function getParentStatementOfVariableDeclaration(node) { + if (node.parent && node.parent.parent && node.parent.parent.kind === 201) { + ts.Debug.assert(node.parent.kind === 220); + return node.parent.parent; + } + } + function getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result) { + var refSymbol = typeChecker.getSymbolAtLocation(node); + var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(refSymbol.valueDeclaration); + if (shorthandSymbol) { + for (var _i = 0, _a = shorthandSymbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.getMeaningFromDeclaration(declaration) & 1) { + result.push(getReferenceEntryFromNode(declaration)); } } - function hasSomeImportantChild(item) { - return ts.forEach(item.children, function (child) { - var childKind = navigationBarNodeKind(child); - return childKind !== 219 && childKind !== 170; - }); - } } } - var emptyChildItemArray = []; - function convertToTree(n) { + FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment = getReferenceEntriesForShorthandPropertyAssignment; + function getReferenceEntryFromNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + if (node.kind === 9) { + start += 1; + end -= 1; + } return { - text: getItemName(n.node), - kind: ts.getNodeKind(n.node), - kindModifiers: ts.getNodeModifiers(n.node), - spans: getSpans(n), - childItems: ts.map(n.children, convertToTree) + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + isWriteAccess: isWriteAccess(node), + isDefinition: ts.isDeclarationName(node) || ts.isLiteralComputedPropertyDeclarationName(node) }; } - function convertToTopLevelItem(n) { - return { - text: getItemName(n.node), - kind: ts.getNodeKind(n.node), - kindModifiers: ts.getNodeModifiers(n.node), - spans: getSpans(n), - childItems: ts.map(n.children, convertToChildItem) || emptyChildItemArray, - indent: n.indent, - bolded: false, - grayed: false - }; - function convertToChildItem(n) { - return { - text: getItemName(n.node), - kind: ts.getNodeKind(n.node), - kindModifiers: ts.getNodeModifiers(n.node), - spans: getSpans(n), - childItems: emptyChildItemArray, - indent: 0, - bolded: false, - grayed: false - }; + FindAllReferences.getReferenceEntryFromNode = getReferenceEntryFromNode; + function isWriteAccess(node) { + if (node.kind === 70 && ts.isDeclarationName(node)) { + return true; } - } - function getSpans(n) { - var spans = [getNodeSpan(n.node)]; - if (n.additionalNodes) { - for (var _i = 0, _a = n.additionalNodes; _i < _a.length; _i++) { - var node = _a[_i]; - spans.push(getNodeSpan(node)); + var parent = node.parent; + if (parent) { + if (parent.kind === 187 || parent.kind === 186) { + return true; + } + else if (parent.kind === 188 && parent.left === node) { + var operator = parent.operatorToken.kind; + return 57 <= operator && operator <= 69; } } - return spans; + return false; } - function getModuleName(moduleDeclaration) { - if (ts.isAmbientModule(moduleDeclaration)) { - return ts.getTextOfNode(moduleDeclaration.name); - } - var result = []; - result.push(moduleDeclaration.name.text); - while (moduleDeclaration.body && moduleDeclaration.body.kind === 226) { - moduleDeclaration = moduleDeclaration.body; - result.push(moduleDeclaration.name.text); - } - return result.join("."); + function forEachDescendantOfKind(node, kind, action) { + ts.forEachChild(node, function (child) { + if (child.kind === kind) { + action(child); + } + forEachDescendantOfKind(child, kind, action); + }); } - function getInteriorModule(decl) { - return decl.body.kind === 226 ? getInteriorModule(decl.body) : decl; + function getContainingObjectLiteralElement(node) { + switch (node.kind) { + case 9: + case 8: + if (node.parent.kind === 141) { + return isObjectLiteralPropertyDeclaration(node.parent.parent) ? node.parent.parent : undefined; + } + case 70: + return isObjectLiteralPropertyDeclaration(node.parent) && node.parent.name === node ? node.parent : undefined; + } + return undefined; } - function isComputedProperty(member) { - return !member.name || member.name.kind === 141; + function isObjectLiteralPropertyDeclaration(node) { + switch (node.kind) { + case 253: + case 254: + case 148: + case 150: + case 151: + return true; + } + return false; } - function getNodeSpan(node) { - return node.kind === 256 - ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) - : ts.createTextSpanFromBounds(node.getStart(curSourceFile), node.getEnd()); + function tryGetClassByExtendingIdentifier(node) { + return ts.tryGetClassExtendingExpressionWithTypeArguments(ts.climbPastPropertyAccess(node).parent); } - function getFunctionOrClassName(node) { - if (node.name && ts.getFullWidth(node.name) > 0) { - return ts.declarationNameToString(node.name); - } - else if (node.parent.kind === 219) { - return ts.declarationNameToString(node.parent.name); - } - else if (node.parent.kind === 188 && - node.parent.operatorToken.kind === 57) { - return nodeText(node.parent.left); - } - else if (node.parent.kind === 253 && node.parent.name) { - return nodeText(node.parent.name); - } - else if (ts.getModifierFlags(node) & 512) { - return "default"; - } - else { - return ts.isClassLike(node) ? "" : ""; + function isNameOfExternalModuleImportOrDeclaration(node) { + if (node.kind === 9) { + return ts.isNameOfModuleDeclaration(node) || ts.isExpressionOfExternalModuleImportEqualsDeclaration(node); } + return false; } - function isFunctionOrClassExpression(node) { - return node.kind === 180 || node.kind === 181 || node.kind === 193; - } - })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); + })(FindAllReferences = ts.FindAllReferences || (ts.FindAllReferences = {})); })(ts || (ts = {})); var ts; (function (ts) { - var OutliningElementsCollector; - (function (OutliningElementsCollector) { - function collectElements(sourceFile) { - var elements = []; - var collapseText = "..."; - function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { - if (hintSpanNode && startElement && endElement) { - var span_12 = { - textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), - hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span_12); + var GoToDefinition; + (function (GoToDefinition) { + function getDefinitionAtPosition(program, sourceFile, position) { + var comment = findReferenceInPosition(sourceFile.referencedFiles, position); + if (comment) { + var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); + if (referenceFile) { + return [getDefinitionInfoForFileReference(comment.fileName, referenceFile.fileName)]; } + return undefined; } - function addOutliningSpanComments(commentSpan, autoCollapse) { - if (commentSpan) { - var span_13 = { - textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span_13); + var typeReferenceDirective = findReferenceInPosition(sourceFile.typeReferenceDirectives, position); + if (typeReferenceDirective) { + var referenceFile = program.getResolvedTypeReferenceDirectives()[typeReferenceDirective.fileName]; + if (referenceFile && referenceFile.resolvedFileName) { + return [getDefinitionInfoForFileReference(typeReferenceDirective.fileName, referenceFile.resolvedFileName)]; } + return undefined; } - function addOutliningForLeadingCommentsForNode(n) { - var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); - if (comments) { - var firstSingleLineCommentStart = -1; - var lastSingleLineCommentEnd = -1; - var isFirstSingleLineComment = true; - var singleLineCommentCount = 0; - for (var _i = 0, comments_4 = comments; _i < comments_4.length; _i++) { - var currentComment = comments_4[_i]; - if (currentComment.kind === 2) { - if (isFirstSingleLineComment) { - firstSingleLineCommentStart = currentComment.pos; - } - isFirstSingleLineComment = false; - lastSingleLineCommentEnd = currentComment.end; - singleLineCommentCount++; - } - else if (currentComment.kind === 3) { - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - addOutliningSpanComments(currentComment, false); - singleLineCommentCount = 0; - lastSingleLineCommentEnd = -1; - isFirstSingleLineComment = true; - } - } - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - } + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { + return undefined; } - function combineAndAddMultipleSingleLineComments(count, start, end) { - if (count > 1) { - var multipleSingleLineComments = { - pos: start, - end: end, - kind: 2 - }; - addOutliningSpanComments(multipleSingleLineComments, false); - } + if (ts.isJumpStatementTarget(node)) { + var labelName = node.text; + var label = ts.getTargetLabel(node.parent, node.text); + return label ? [createDefinitionInfo(label, ts.ScriptElementKind.label, labelName, undefined)] : undefined; } - function autoCollapse(node) { - return ts.isFunctionBlock(node) && node.parent.kind !== 181; + var typeChecker = program.getTypeChecker(); + var calledDeclaration = tryGetSignatureDeclaration(typeChecker, node); + if (calledDeclaration) { + return [createDefinitionFromSignatureDeclaration(typeChecker, calledDeclaration)]; } - var depth = 0; - var maxDepth = 20; - function walk(n) { - if (depth > maxDepth) { - return; - } - if (ts.isDeclaration(n)) { - addOutliningForLeadingCommentsForNode(n); - } - switch (n.kind) { - case 200: - if (!ts.isFunctionBlock(n)) { - var parent_22 = n.parent; - var openBrace = ts.findChildOfKind(n, 16, sourceFile); - var closeBrace = ts.findChildOfKind(n, 17, sourceFile); - if (parent_22.kind === 205 || - parent_22.kind === 208 || - parent_22.kind === 209 || - parent_22.kind === 207 || - parent_22.kind === 204 || - parent_22.kind === 206 || - parent_22.kind === 213 || - parent_22.kind === 252) { - addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); - break; - } - if (parent_22.kind === 217) { - var tryStatement = parent_22; - if (tryStatement.tryBlock === n) { - addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); - break; - } - else if (tryStatement.finallyBlock === n) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); - if (finallyKeyword) { - addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); - break; - } - } - } - var span_14 = ts.createTextSpanFromBounds(n.getStart(), n.end); - elements.push({ - textSpan: span_14, - hintSpan: span_14, - bannerText: collapseText, - autoCollapse: autoCollapse(n) - }); - break; - } - case 227: { - var openBrace = ts.findChildOfKind(n, 16, sourceFile); - var closeBrace = ts.findChildOfKind(n, 17, sourceFile); - addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 222: - case 223: - case 225: - case 172: - case 228: { - var openBrace = ts.findChildOfKind(n, 16, sourceFile); - var closeBrace = ts.findChildOfKind(n, 17, sourceFile); - addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 171: - var openBracket = ts.findChildOfKind(n, 20, sourceFile); - var closeBracket = ts.findChildOfKind(n, 21, sourceFile); - addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); - break; + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + return undefined; + } + if (symbol.flags & 8388608) { + var declaration = symbol.declarations[0]; + if (node.kind === 70 && + (node.parent === declaration || + (declaration.kind === 235 && declaration.parent && declaration.parent.kind === 234))) { + symbol = typeChecker.getAliasedSymbol(symbol); } - depth++; - ts.forEachChild(n, walk); - depth--; } - walk(sourceFile); - return elements; - } - OutliningElementsCollector.collectElements = collectElements; - })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - (function (PatternMatchKind) { - PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; - PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; - PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; - PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; - })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); - var PatternMatchKind = ts.PatternMatchKind; - function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { - return { - kind: kind, - punctuationStripped: punctuationStripped, - isCaseSensitive: isCaseSensitive, - camelCaseWeight: camelCaseWeight - }; - } - function createPatternMatcher(pattern) { - var stringToWordSpans = ts.createMap(); - pattern = pattern.trim(); - var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); - var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); - return { - getMatches: getMatches, - getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, - patternContainsDots: dotSeparatedSegments.length > 1 - }; - function skipMatch(candidate) { - return invalidPattern || !candidate; - } - function getMatchesForLastSegmentOfPattern(candidate) { - if (skipMatch(candidate)) { - return undefined; + if (node.parent.kind === 254) { + var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); + if (!shorthandSymbol) { + return []; + } + var shorthandDeclarations = shorthandSymbol.getDeclarations(); + var shorthandSymbolKind_1 = ts.SymbolDisplay.getSymbolKind(typeChecker, shorthandSymbol, node); + var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); + var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); + return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); } - return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + return getDefinitionFromSymbol(typeChecker, symbol, node); } - function getMatches(candidateContainers, candidate) { - if (skipMatch(candidate)) { - return undefined; - } - var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - if (!candidateMatch) { + GoToDefinition.getDefinitionAtPosition = getDefinitionAtPosition; + function getTypeDefinitionAtPosition(typeChecker, sourceFile, position) { + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { return undefined; } - candidateContainers = candidateContainers || []; - if (dotSeparatedSegments.length - 1 > candidateContainers.length) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { return undefined; } - var totalMatch = candidateMatch; - for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { - var segment = dotSeparatedSegments[i]; - var containerName = candidateContainers[j]; - var containerMatch = matchSegment(containerName, segment); - if (!containerMatch) { - return undefined; - } - ts.addRange(totalMatch, containerMatch); + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); + if (!type) { + return undefined; } - return totalMatch; - } - function getWordSpans(word) { - if (!(word in stringToWordSpans)) { - stringToWordSpans[word] = breakIntoWordSpans(word); + if (type.flags & 65536 && !(type.flags & 16)) { + var result_5 = []; + ts.forEach(type.types, function (t) { + if (t.symbol) { + ts.addRange(result_5, getDefinitionFromSymbol(typeChecker, t.symbol, node)); + } + }); + return result_5; } - return stringToWordSpans[word]; + if (!type.symbol) { + return undefined; + } + return getDefinitionFromSymbol(typeChecker, type.symbol, node); } - function matchTextChunk(candidate, chunk, punctuationStripped) { - var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); - if (index === 0) { - if (chunk.text.length === candidate.length) { - return createPatternMatch(PatternMatchKind.exact, punctuationStripped, candidate === chunk.text); - } - else { - return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, ts.startsWith(candidate, chunk.text)); - } + GoToDefinition.getTypeDefinitionAtPosition = getTypeDefinitionAtPosition; + function getDefinitionFromSymbol(typeChecker, symbol, node) { + var result = []; + var declarations = symbol.getDeclarations(); + var _a = getSymbolInfo(typeChecker, symbol, node), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; + if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && + !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { + ts.forEach(declarations, function (declaration) { + result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); + }); } - var isLowercase = chunk.isLowerCase; - if (isLowercase) { - if (index > 0) { - var wordSpans = getWordSpans(candidate); - for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { - var span_15 = wordSpans_1[_i]; - if (partStartsWith(candidate, span_15, chunk.text, true)) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, partStartsWith(candidate, span_15, chunk.text, false)); + return result; + function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (ts.isNewExpressionTarget(location) || location.kind === 122) { + if (symbol.flags & 32) { + for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.isClassLike(declaration)) { + return tryAddSignature(declaration.members, true, symbolKind, symbolName, containerName, result); + } } + ts.Debug.fail("Expected declaration to have at least one class-like declaration"); } } + return false; } - else { - if (candidate.indexOf(chunk.text) > 0) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, true); - } - } - if (!isLowercase) { - if (chunk.characterSpans.length > 0) { - var candidateParts = getWordSpans(candidate); - var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, false); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, true, camelCaseWeight); - } - camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, true); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, false, camelCaseWeight); - } + function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location) || ts.isNameOfFunctionDeclaration(location)) { + return tryAddSignature(symbol.declarations, false, symbolKind, symbolName, containerName, result); } + return false; } - if (isLowercase) { - if (chunk.text.length < candidate.length) { - if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, false); + function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { + var declarations = []; + var definition; + ts.forEach(signatureDeclarations, function (d) { + if ((selectConstructors && d.kind === 149) || + (!selectConstructors && (d.kind === 221 || d.kind === 148 || d.kind === 147))) { + declarations.push(d); + if (d.body) + definition = d; } + }); + if (definition) { + result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); + return true; } - } - return undefined; - } - function containsSpaceOrAsterisk(text) { - for (var i = 0; i < text.length; i++) { - var ch = text.charCodeAt(i); - if (ch === 32 || ch === 42) { + else if (declarations.length) { + result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); return true; } + return false; } - return false; } - function matchSegment(candidate, segment) { - if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { - var match = matchTextChunk(candidate, segment.totalTextChunk, false); - if (match) { - return [match]; - } - } - var subWordTextChunks = segment.subWordTextChunks; - var matches = undefined; - for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { - var subWordTextChunk = subWordTextChunks_1[_i]; - var result = matchTextChunk(candidate, subWordTextChunk, true); - if (!result) { - return undefined; + function createDefinitionInfo(node, symbolKind, symbolName, containerName) { + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + kind: symbolKind, + name: symbolName, + containerKind: undefined, + containerName: containerName + }; + } + function getSymbolInfo(typeChecker, symbol, node) { + return { + symbolName: typeChecker.symbolToString(symbol), + symbolKind: ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node), + containerName: symbol.parent ? typeChecker.symbolToString(symbol.parent, node) : "" + }; + } + function createDefinitionFromSignatureDeclaration(typeChecker, decl) { + var _a = getSymbolInfo(typeChecker, decl.symbol, decl), symbolName = _a.symbolName, symbolKind = _a.symbolKind, containerName = _a.containerName; + return createDefinitionInfo(decl, symbolKind, symbolName, containerName); + } + function findReferenceInPosition(refs, pos) { + for (var _i = 0, refs_1 = refs; _i < refs_1.length; _i++) { + var ref = refs_1[_i]; + if (ref.pos <= pos && pos < ref.end) { + return ref; } - matches = matches || []; - matches.push(result); } - return matches; + return undefined; } - function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { - var patternPartStart = patternSpan ? patternSpan.start : 0; - var patternPartLength = patternSpan ? patternSpan.length : pattern.length; - if (patternPartLength > candidateSpan.length) { - return false; + function getDefinitionInfoForFileReference(name, targetFileName) { + return { + fileName: targetFileName, + textSpan: ts.createTextSpanFromBounds(0, 0), + kind: ts.ScriptElementKind.scriptElement, + name: name, + containerName: undefined, + containerKind: undefined + }; + } + function getAncestorCallLikeExpression(node) { + var target = climbPastManyPropertyAccesses(node); + var callLike = target.parent; + return callLike && ts.isCallLikeExpression(callLike) && ts.getInvokedExpression(callLike) === target && callLike; + } + function climbPastManyPropertyAccesses(node) { + return ts.isRightSideOfPropertyAccess(node) ? climbPastManyPropertyAccesses(node.parent) : node; + } + function tryGetSignatureDeclaration(typeChecker, node) { + var callLike = getAncestorCallLikeExpression(node); + return callLike && typeChecker.getResolvedSignature(callLike).declaration; + } + })(GoToDefinition = ts.GoToDefinition || (ts.GoToDefinition = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var GoToImplementation; + (function (GoToImplementation) { + function getImplementationAtPosition(typeChecker, cancellationToken, sourceFiles, node) { + if (node.parent.kind === 254) { + var result = []; + ts.FindAllReferences.getReferenceEntriesForShorthandPropertyAssignment(node, typeChecker, result); + return result.length > 0 ? result : undefined; } - if (ignoreCase) { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (toLowerCase(ch1) !== toLowerCase(ch2)) { - return false; - } - } + else if (node.kind === 96 || ts.isSuperProperty(node.parent)) { + var symbol = typeChecker.getSymbolAtLocation(node); + return symbol.valueDeclaration && [ts.FindAllReferences.getReferenceEntryFromNode(symbol.valueDeclaration)]; } else { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (ch1 !== ch2) { - return false; - } - } + var referencedSymbols = ts.FindAllReferences.getReferencedSymbolsForNode(typeChecker, cancellationToken, node, sourceFiles, false, false, true); + var result = ts.flatMap(referencedSymbols, function (symbol) { + return ts.map(symbol.references, function (_a) { + var textSpan = _a.textSpan, fileName = _a.fileName; + return ({ textSpan: textSpan, fileName: fileName }); + }); + }); + return result && result.length > 0 ? result : undefined; } - return true; } - function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { - var chunkCharacterSpans = chunk.characterSpans; - var currentCandidate = 0; - var currentChunkSpan = 0; - var firstMatch = undefined; - var contiguous = undefined; - while (true) { - if (currentChunkSpan === chunkCharacterSpans.length) { - var weight = 0; - if (contiguous) { - weight += 1; - } - if (firstMatch === 0) { - weight += 2; - } - return weight; - } - else if (currentCandidate === candidateParts.length) { - return undefined; + GoToImplementation.getImplementationAtPosition = getImplementationAtPosition; + })(GoToImplementation = ts.GoToImplementation || (ts.GoToImplementation = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var JsDoc; + (function (JsDoc) { + var jsDocTagNames = [ + "augments", + "author", + "argument", + "borrows", + "class", + "constant", + "constructor", + "constructs", + "default", + "deprecated", + "description", + "event", + "example", + "extends", + "field", + "fileOverview", + "function", + "ignore", + "inner", + "lends", + "link", + "memberOf", + "name", + "namespace", + "param", + "private", + "property", + "public", + "requires", + "returns", + "see", + "since", + "static", + "throws", + "type", + "typedef", + "property", + "prop", + "version" + ]; + var jsDocCompletionEntries; + function getJsDocCommentsFromDeclarations(declarations) { + var documentationComment = []; + forEachUnique(declarations, function (declaration) { + var comments = ts.getJSDocComments(declaration, true); + if (!comments) { + return; } - var candidatePart = candidateParts[currentCandidate]; - var gotOneMatchThisCandidate = false; - for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { - var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; - if (gotOneMatchThisCandidate) { - if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || - !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { - break; + for (var _i = 0, comments_3 = comments; _i < comments_3.length; _i++) { + var comment = comments_3[_i]; + if (comment) { + if (documentationComment.length) { + documentationComment.push(ts.lineBreakPart()); } + documentationComment.push(ts.textPart(comment)); } - if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { - break; - } - gotOneMatchThisCandidate = true; - firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; - contiguous = contiguous === undefined ? true : contiguous; - candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); } - if (!gotOneMatchThisCandidate && contiguous !== undefined) { - contiguous = false; + }); + return documentationComment; + } + JsDoc.getJsDocCommentsFromDeclarations = getJsDocCommentsFromDeclarations; + function forEachUnique(array, callback) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + if (ts.indexOf(array, array[i]) === i) { + var result = callback(array[i], i); + if (result) { + return result; + } + } } - currentCandidate++; } + return undefined; } - } - ts.createPatternMatcher = createPatternMatcher; - function createSegment(text) { - return { - totalTextChunk: createTextChunk(text), - subWordTextChunks: breakPatternIntoTextChunks(text) - }; - } - function segmentIsInvalid(segment) { - return segment.subWordTextChunks.length === 0; - } - function isUpperCaseLetter(ch) { - if (ch >= 65 && ch <= 90) { - return true; - } - if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { - return false; - } - var str = String.fromCharCode(ch); - return str === str.toUpperCase(); - } - function isLowerCaseLetter(ch) { - if (ch >= 97 && ch <= 122) { - return true; - } - if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { - return false; + function getAllJsDocCompletionEntries() { + return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { + return { + name: tagName, + kind: ts.ScriptElementKind.keyword, + kindModifiers: "", + sortText: "0", + }; + })); } - var str = String.fromCharCode(ch); - return str === str.toLowerCase(); - } - function indexOfIgnoringCase(string, value) { - for (var i = 0, n = string.length - value.length; i <= n; i++) { - if (startsWithIgnoringCase(string, value, i)) { - return i; + JsDoc.getAllJsDocCompletionEntries = getAllJsDocCompletionEntries; + function getDocCommentTemplateAtPosition(newLine, sourceFile, position) { + if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { + return undefined; } - } - return -1; - } - function startsWithIgnoringCase(string, value, start) { - for (var i = 0, n = value.length; i < n; i++) { - var ch1 = toLowerCase(string.charCodeAt(i + start)); - var ch2 = value.charCodeAt(i); - if (ch1 !== ch2) { - return false; + var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); + var tokenStart = tokenAtPos.getStart(); + if (!tokenAtPos || tokenStart < position) { + return undefined; + } + var commentOwner; + findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { + switch (commentOwner.kind) { + case 221: + case 148: + case 149: + case 222: + case 201: + break findOwner; + case 256: + return undefined; + case 226: + if (commentOwner.parent.kind === 226) { + return undefined; + } + break findOwner; + } + } + if (!commentOwner || commentOwner.getStart() < position) { + return undefined; + } + var parameters = getParametersForJsDocOwningNode(commentOwner); + var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); + var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; + var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); + var docParams = ""; + for (var i = 0, numParams = parameters.length; i < numParams; i++) { + var currentName = parameters[i].name; + var paramName = currentName.kind === 70 ? + currentName.text : + "param" + i; + docParams += indentationStr + " * @param " + paramName + newLine; } + var preamble = "/**" + newLine + + indentationStr + " * "; + var result = preamble + newLine + + docParams + + indentationStr + " */" + + (tokenStart === position ? newLine + indentationStr : ""); + return { newText: result, caretOffset: preamble.length }; } - return true; - } - function toLowerCase(ch) { - if (ch >= 65 && ch <= 90) { - return 97 + (ch - 65); + JsDoc.getDocCommentTemplateAtPosition = getDocCommentTemplateAtPosition; + function getParametersForJsDocOwningNode(commentOwner) { + if (ts.isFunctionLike(commentOwner)) { + return commentOwner.parameters; + } + if (commentOwner.kind === 201) { + var varStatement = commentOwner; + var varDeclarations = varStatement.declarationList.declarations; + if (varDeclarations.length === 1 && varDeclarations[0].initializer) { + return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); + } + } + return ts.emptyArray; } - if (ch < 127) { - return ch; + function getParametersFromRightHandSideOfAssignment(rightHandSide) { + while (rightHandSide.kind === 179) { + rightHandSide = rightHandSide.expression; + } + switch (rightHandSide.kind) { + case 180: + case 181: + return rightHandSide.parameters; + case 193: + for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 149) { + return member.parameters; + } + } + break; + } + return ts.emptyArray; } - return String.fromCharCode(ch).toLowerCase().charCodeAt(0); - } - function isDigit(ch) { - return ch >= 48 && ch <= 57; - } - function isWordChar(ch) { - return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 || ch === 36; - } - function breakPatternIntoTextChunks(pattern) { - var result = []; - var wordStart = 0; - var wordLength = 0; - for (var i = 0; i < pattern.length; i++) { - var ch = pattern.charCodeAt(i); - if (isWordChar(ch)) { - if (wordLength === 0) { - wordStart = i; + })(JsDoc = ts.JsDoc || (ts.JsDoc = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var NavigateTo; + (function (NavigateTo) { + function getNavigateToItems(sourceFiles, checker, cancellationToken, searchValue, maxResultCount, excludeDtsFiles) { + var patternMatcher = ts.createPatternMatcher(searchValue); + var rawItems = []; + ts.forEach(sourceFiles, function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + if (excludeDtsFiles && ts.fileExtensionIs(sourceFile.fileName, ".d.ts")) { + return; + } + var nameToDeclarations = sourceFile.getNamedDeclarations(); + for (var name_49 in nameToDeclarations) { + var declarations = nameToDeclarations[name_49]; + if (declarations) { + var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_49); + if (!matches) { + continue; + } + for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { + var declaration = declarations_9[_i]; + if (patternMatcher.patternContainsDots) { + var containers = getContainers(declaration); + if (!containers) { + return undefined; + } + matches = patternMatcher.getMatches(containers, name_49); + if (!matches) { + continue; + } + } + var fileName = sourceFile.fileName; + var matchKind = bestMatchKind(matches); + rawItems.push({ name: name_49, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); + } + } } - wordLength++; + }); + rawItems = ts.filter(rawItems, function (item) { + var decl = item.declaration; + if (decl.kind === 232 || decl.kind === 235 || decl.kind === 230) { + var importer = checker.getSymbolAtLocation(decl.name); + var imported = checker.getAliasedSymbol(importer); + return importer.name !== imported.name; + } + else { + return true; + } + }); + rawItems.sort(compareNavigateToItems); + if (maxResultCount !== undefined) { + rawItems = rawItems.slice(0, maxResultCount); } - else { - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - wordLength = 0; + var items = ts.map(rawItems, createNavigateToItem); + return items; + function allMatchesAreCaseSensitive(matches) { + ts.Debug.assert(matches.length > 0); + for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { + var match = matches_2[_i]; + if (!match.isCaseSensitive) { + return false; + } } + return true; } - } - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - } - return result; - } - function createTextChunk(text) { - var textLowerCase = text.toLowerCase(); - return { - text: text, - textLowerCase: textLowerCase, - isLowerCase: text === textLowerCase, - characterSpans: breakIntoCharacterSpans(text) - }; - } - function breakIntoCharacterSpans(identifier) { - return breakIntoSpans(identifier, false); - } - ts.breakIntoCharacterSpans = breakIntoCharacterSpans; - function breakIntoWordSpans(identifier) { - return breakIntoSpans(identifier, true); - } - ts.breakIntoWordSpans = breakIntoWordSpans; - function breakIntoSpans(identifier, word) { - var result = []; - var wordStart = 0; - for (var i = 1, n = identifier.length; i < n; i++) { - var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); - var currentIsDigit = isDigit(identifier.charCodeAt(i)); - var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); - var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); - if (charIsPunctuation(identifier.charCodeAt(i - 1)) || - charIsPunctuation(identifier.charCodeAt(i)) || - lastIsDigit !== currentIsDigit || - hasTransitionFromLowerToUpper || - hasTransitionFromUpperToLower) { - if (!isAllPunctuation(identifier, wordStart, i)) { - result.push(ts.createTextSpan(wordStart, i - wordStart)); + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 70 || + node.kind === 9 || + node.kind === 8) { + return node.text; + } } - wordStart = i; + return undefined; } - } - if (!isAllPunctuation(identifier, wordStart, identifier.length)) { - result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); - } - return result; - } - function charIsPunctuation(ch) { - switch (ch) { - case 33: - case 34: - case 35: - case 37: - case 38: - case 39: - case 40: - case 41: - case 42: - case 44: - case 45: - case 46: - case 47: - case 58: - case 59: - case 63: - case 64: - case 91: - case 92: - case 93: - case 95: - case 123: - case 125: + function tryAddSingleDeclarationName(declaration, containers) { + if (declaration && declaration.name) { + var text = getTextOfIdentifierOrLiteral(declaration.name); + if (text !== undefined) { + containers.unshift(text); + } + else if (declaration.name.kind === 141) { + return tryAddComputedPropertyName(declaration.name.expression, containers, true); + } + else { + return false; + } + } return true; - } - return false; - } - function isAllPunctuation(identifier, start, end) { - for (var i = start; i < end; i++) { - var ch = identifier.charCodeAt(i); - if (!charIsPunctuation(ch) || ch === 95 || ch === 36) { - return false; } - } - return true; - } - function transitionFromUpperToLower(identifier, word, index, wordStart) { - if (word) { - if (index !== wordStart && - index + 1 < identifier.length) { - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); - if (currentIsUpper && nextIsLower) { - for (var i = wordStart; i < index; i++) { - if (!isUpperCaseLetter(identifier.charCodeAt(i))) { - return false; - } + function tryAddComputedPropertyName(expression, containers, includeLastPortion) { + var text = getTextOfIdentifierOrLiteral(expression); + if (text !== undefined) { + if (includeLastPortion) { + containers.unshift(text); } return true; } + if (expression.kind === 173) { + var propertyAccess = expression; + if (includeLastPortion) { + containers.unshift(propertyAccess.name.text); + } + return tryAddComputedPropertyName(propertyAccess.expression, containers, true); + } + return false; + } + function getContainers(declaration) { + var containers = []; + if (declaration.name.kind === 141) { + if (!tryAddComputedPropertyName(declaration.name.expression, containers, false)) { + return undefined; + } + } + declaration = ts.getContainerNode(declaration); + while (declaration) { + if (!tryAddSingleDeclarationName(declaration, containers)) { + return undefined; + } + declaration = ts.getContainerNode(declaration); + } + return containers; + } + function bestMatchKind(matches) { + ts.Debug.assert(matches.length > 0); + var bestMatchKind = ts.PatternMatchKind.camelCase; + for (var _i = 0, matches_3 = matches; _i < matches_3.length; _i++) { + var match = matches_3[_i]; + var kind = match.kind; + if (kind < bestMatchKind) { + bestMatchKind = kind; + } + } + return bestMatchKind; + } + function compareNavigateToItems(i1, i2) { + return i1.matchKind - i2.matchKind || + ts.compareStringsCaseInsensitive(i1.name, i2.name) || + ts.compareStrings(i1.name, i2.name); + } + function createNavigateToItem(rawItem) { + var declaration = rawItem.declaration; + var container = ts.getContainerNode(declaration); + return { + name: rawItem.name, + kind: ts.getNodeKind(declaration), + kindModifiers: ts.getNodeModifiers(declaration), + matchKind: ts.PatternMatchKind[rawItem.matchKind], + isCaseSensitive: rawItem.isCaseSensitive, + fileName: rawItem.fileName, + textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), + containerName: container && container.name ? container.name.text : "", + containerKind: container && container.name ? ts.getNodeKind(container) : "" + }; } } - return false; - } - function transitionFromLowerToUpper(identifier, word, index) { - var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var transition = word - ? (currentIsUpper && !lastIsUpper) - : currentIsUpper; - return transition; - } + NavigateTo.getNavigateToItems = getNavigateToItems; + })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); })(ts || (ts = {})); var ts; (function (ts) { - function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { - if (readImportFiles === void 0) { readImportFiles = true; } - if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } - var referencedFiles = []; - var typeReferenceDirectives = []; - var importedFiles = []; - var ambientExternalModules; - var isNoDefaultLib = false; - var braceNesting = 0; - var externalModule = false; - function nextToken() { - var token = ts.scanner.scan(); - if (token === 16) { - braceNesting++; + var NavigationBar; + (function (NavigationBar) { + function getNavigationBarItems(sourceFile) { + curSourceFile = sourceFile; + var result = ts.map(topLevelItems(rootNavigationBarNode(sourceFile)), convertToTopLevelItem); + curSourceFile = undefined; + return result; + } + NavigationBar.getNavigationBarItems = getNavigationBarItems; + function getNavigationTree(sourceFile) { + curSourceFile = sourceFile; + var result = convertToTree(rootNavigationBarNode(sourceFile)); + curSourceFile = undefined; + return result; + } + NavigationBar.getNavigationTree = getNavigationTree; + var curSourceFile; + function nodeText(node) { + return node.getText(curSourceFile); + } + function navigationBarNodeKind(n) { + return n.node.kind; + } + function pushChild(parent, child) { + if (parent.children) { + parent.children.push(child); } - else if (token === 17) { - braceNesting--; + else { + parent.children = [child]; } - return token; } - function processTripleSlashDirectives() { - var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); - ts.forEach(commentRanges, function (commentRange) { - var comment = sourceText.substring(commentRange.pos, commentRange.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); - if (referencePathMatchResult) { - isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var fileReference = referencePathMatchResult.fileReference; - if (fileReference) { - var collection = referencePathMatchResult.isTypeReferenceDirective - ? typeReferenceDirectives - : referencedFiles; - collection.push(fileReference); - } - } - }); + var parentsStack = []; + var parent; + function rootNavigationBarNode(sourceFile) { + ts.Debug.assert(!parentsStack.length); + var root = { node: sourceFile, additionalNodes: undefined, parent: undefined, children: undefined, indent: 0 }; + parent = root; + for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + addChildrenRecursively(statement); + } + endNode(); + ts.Debug.assert(!parent && !parentsStack.length); + return root; } - function getFileReference() { - var file = ts.scanner.getTokenValue(); - var pos = ts.scanner.getTokenPos(); + function addLeafNode(node) { + pushChild(parent, emptyNavigationBarNode(node)); + } + function emptyNavigationBarNode(node) { return { - fileName: file, - pos: pos, - end: pos + file.length + node: node, + additionalNodes: undefined, + parent: parent, + children: undefined, + indent: parent.indent + 1 }; } - function recordAmbientExternalModule() { - if (!ambientExternalModules) { - ambientExternalModules = []; - } - ambientExternalModules.push({ ref: getFileReference(), depth: braceNesting }); - } - function recordModuleName() { - importedFiles.push(getFileReference()); - markAsExternalModuleIfTopLevel(); + function startNode(node) { + var navNode = emptyNavigationBarNode(node); + pushChild(parent, navNode); + parentsStack.push(parent); + parent = navNode; } - function markAsExternalModuleIfTopLevel() { - if (braceNesting === 0) { - externalModule = true; + function endNode() { + if (parent.children) { + mergeChildren(parent.children); + sortChildren(parent.children); } + parent = parentsStack.pop(); } - function tryConsumeDeclare() { - var token = ts.scanner.getToken(); - if (token === 123) { - token = nextToken(); - if (token === 126) { - token = nextToken(); - if (token === 9) { - recordAmbientExternalModule(); - } - } - return true; - } - return false; + function addNodeWithRecursiveChild(node, child) { + startNode(node); + addChildrenRecursively(child); + endNode(); } - function tryConsumeImport() { - var token = ts.scanner.getToken(); - if (token === 90) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - return true; - } - else { - if (token === 70 || ts.isKeyword(token)) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - return true; - } - } - else if (token === 57) { - if (tryConsumeRequireCall(true)) { - return true; - } - } - else if (token === 25) { - token = nextToken(); - } - else { - return true; + function addChildrenRecursively(node) { + if (!node || ts.isToken(node)) { + return; + } + switch (node.kind) { + case 149: + var ctr = node; + addNodeWithRecursiveChild(ctr, ctr.body); + for (var _i = 0, _a = ctr.parameters; _i < _a.length; _i++) { + var param = _a[_i]; + if (ts.isParameterPropertyDeclaration(param)) { + addLeafNode(param); } } - if (token === 16) { - token = nextToken(); - while (token !== 17 && token !== 1) { - token = nextToken(); + break; + case 148: + case 150: + case 151: + case 147: + if (!ts.hasDynamicName(node)) { + addNodeWithRecursiveChild(node, node.body); + } + break; + case 146: + case 145: + if (!ts.hasDynamicName(node)) { + addLeafNode(node); + } + break; + case 232: + var importClause = node; + if (importClause.name) { + addLeafNode(importClause); + } + var namedBindings = importClause.namedBindings; + if (namedBindings) { + if (namedBindings.kind === 233) { + addLeafNode(namedBindings); } - if (token === 17) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - } + else { + for (var _b = 0, _c = namedBindings.elements; _b < _c.length; _b++) { + var element = _c[_b]; + addLeafNode(element); } } } - else if (token === 38) { - token = nextToken(); - if (token === 117) { - token = nextToken(); - if (token === 70 || ts.isKeyword(token)) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - } - } - } + break; + case 170: + case 219: + var decl = node; + var name_50 = decl.name; + if (ts.isBindingPattern(name_50)) { + addChildrenRecursively(name_50); + } + else if (decl.initializer && isFunctionOrClassExpression(decl.initializer)) { + addChildrenRecursively(decl.initializer); + } + else { + addNodeWithRecursiveChild(decl, decl.initializer); + } + break; + case 181: + case 221: + case 180: + addNodeWithRecursiveChild(node, node.body); + break; + case 225: + startNode(node); + for (var _d = 0, _e = node.members; _d < _e.length; _d++) { + var member = _e[_d]; + if (!isComputedProperty(member)) { + addLeafNode(member); } } - } - return true; - } - return false; - } - function tryConsumeExport() { - var token = ts.scanner.getToken(); - if (token === 83) { - markAsExternalModuleIfTopLevel(); - token = nextToken(); - if (token === 16) { - token = nextToken(); - while (token !== 17 && token !== 1) { - token = nextToken(); + endNode(); + break; + case 222: + case 193: + case 223: + startNode(node); + for (var _f = 0, _g = node.members; _f < _g.length; _f++) { + var member = _g[_f]; + addChildrenRecursively(member); } - if (token === 17) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); + endNode(); + break; + case 226: + addNodeWithRecursiveChild(node, getInteriorModule(node).body); + break; + case 239: + case 230: + case 154: + case 152: + case 153: + case 224: + addLeafNode(node); + break; + default: + ts.forEach(node.jsDocComments, function (jsDocComment) { + ts.forEach(jsDocComment.tags, function (tag) { + if (tag.kind === 279) { + addLeafNode(tag); } - } - } + }); + }); + ts.forEachChild(node, addChildrenRecursively); + } + } + function mergeChildren(children) { + var nameToItems = ts.createMap(); + ts.filterMutate(children, function (child) { + var decl = child.node; + var name = decl.name && nodeText(decl.name); + if (!name) { + return true; } - else if (token === 38) { - token = nextToken(); - if (token === 137) { - token = nextToken(); - if (token === 9) { - recordModuleName(); - } - } + var itemsWithSameName = nameToItems[name]; + if (!itemsWithSameName) { + nameToItems[name] = child; + return true; } - else if (token === 90) { - token = nextToken(); - if (token === 70 || ts.isKeyword(token)) { - token = nextToken(); - if (token === 57) { - if (tryConsumeRequireCall(true)) { - return true; - } + if (itemsWithSameName instanceof Array) { + for (var _i = 0, itemsWithSameName_1 = itemsWithSameName; _i < itemsWithSameName_1.length; _i++) { + var itemWithSameName = itemsWithSameName_1[_i]; + if (tryMerge(itemWithSameName, child)) { + return false; } } + itemsWithSameName.push(child); + return true; } - return true; - } - return false; - } - function tryConsumeRequireCall(skipCurrentToken) { - var token = skipCurrentToken ? nextToken() : ts.scanner.getToken(); - if (token === 130) { - token = nextToken(); - if (token === 18) { - token = nextToken(); - if (token === 9) { - recordModuleName(); + else { + var itemWithSameName = itemsWithSameName; + if (tryMerge(itemWithSameName, child)) { + return false; } - } - return true; - } - return false; - } - function tryConsumeDefine() { - var token = ts.scanner.getToken(); - if (token === 70 && ts.scanner.getTokenValue() === "define") { - token = nextToken(); - if (token !== 18) { + nameToItems[name] = [itemWithSameName, child]; return true; } - token = nextToken(); - if (token === 9) { - token = nextToken(); - if (token === 25) { - token = nextToken(); + function tryMerge(a, b) { + if (shouldReallyMerge(a.node, b.node)) { + merge(a, b); + return true; } - else { + return false; + } + }); + function shouldReallyMerge(a, b) { + return a.kind === b.kind && (a.kind !== 226 || areSameModule(a, b)); + function areSameModule(a, b) { + if (a.body.kind !== b.body.kind) { + return false; + } + if (a.body.kind !== 226) { return true; } + return areSameModule(a.body, b.body); } - if (token !== 20) { - return true; + } + function merge(target, source) { + target.additionalNodes = target.additionalNodes || []; + target.additionalNodes.push(source.node); + if (source.additionalNodes) { + (_a = target.additionalNodes).push.apply(_a, source.additionalNodes); } - token = nextToken(); - var i = 0; - while (token !== 21 && token !== 1) { - if (token === 9) { - recordModuleName(); - i++; - } - token = nextToken(); + target.children = ts.concatenate(target.children, source.children); + if (target.children) { + mergeChildren(target.children); + sortChildren(target.children); } - return true; + var _a; } - return false; } - function processImports() { - ts.scanner.setText(sourceText); - nextToken(); - while (true) { - if (ts.scanner.getToken() === 1) { - break; + function sortChildren(children) { + children.sort(compareChildren); + } + function compareChildren(child1, child2) { + var name1 = tryGetName(child1.node), name2 = tryGetName(child2.node); + if (name1 && name2) { + var cmp = localeCompareFix(name1, name2); + return cmp !== 0 ? cmp : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); + } + else { + return name1 ? 1 : name2 ? -1 : navigationBarNodeKind(child1) - navigationBarNodeKind(child2); + } + } + var localeCompareIsCorrect = ts.collator && ts.collator.compare("a", "B") < 0; + var localeCompareFix = localeCompareIsCorrect ? ts.collator.compare : function (a, b) { + for (var i = 0; i < Math.min(a.length, b.length); i++) { + var chA = a.charAt(i), chB = b.charAt(i); + if (chA === "\"" && chB === "'") { + return 1; } - if (tryConsumeDeclare() || - tryConsumeImport() || - tryConsumeExport() || - (detectJavaScriptImports && (tryConsumeRequireCall(false) || tryConsumeDefine()))) { - continue; + if (chA === "'" && chB === "\"") { + return -1; } - else { - nextToken(); + var cmp = ts.compareStrings(chA.toLocaleLowerCase(), chB.toLocaleLowerCase()); + if (cmp !== 0) { + return cmp; } } - ts.scanner.setText(undefined); + return a.length - b.length; + }; + function tryGetName(node) { + if (node.kind === 226) { + return getModuleName(node); + } + var decl = node; + if (decl.name) { + return ts.getPropertyNameForPropertyNameNode(decl.name); + } + switch (node.kind) { + case 180: + case 181: + case 193: + return getFunctionOrClassName(node); + case 279: + return getJSDocTypedefTagName(node); + default: + return undefined; + } } - if (readImportFiles) { - processImports(); + function getItemName(node) { + if (node.kind === 226) { + return getModuleName(node); + } + var name = node.name; + if (name) { + var text = nodeText(name); + if (text.length > 0) { + return text; + } + } + switch (node.kind) { + case 256: + var sourceFile = node; + return ts.isExternalModule(sourceFile) + ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(sourceFile.fileName)))) + "\"" + : ""; + case 181: + case 221: + case 180: + case 222: + case 193: + if (ts.getModifierFlags(node) & 512) { + return "default"; + } + return getFunctionOrClassName(node); + case 149: + return "constructor"; + case 153: + return "new()"; + case 152: + return "()"; + case 154: + return "[]"; + case 279: + return getJSDocTypedefTagName(node); + default: + return ""; + } } - processTripleSlashDirectives(); - if (externalModule) { - if (ambientExternalModules) { - for (var _i = 0, ambientExternalModules_1 = ambientExternalModules; _i < ambientExternalModules_1.length; _i++) { - var decl = ambientExternalModules_1[_i]; - importedFiles.push(decl.ref); + function getJSDocTypedefTagName(node) { + if (node.name) { + return node.name.text; + } + else { + var parentNode = node.parent && node.parent.parent; + if (parentNode && parentNode.kind === 201) { + if (parentNode.declarationList.declarations.length > 0) { + var nameIdentifier = parentNode.declarationList.declarations[0].name; + if (nameIdentifier.kind === 70) { + return nameIdentifier.text; + } + } } + return ""; } - return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: undefined }; } - else { - var ambientModuleNames = void 0; - if (ambientExternalModules) { - for (var _a = 0, ambientExternalModules_2 = ambientExternalModules; _a < ambientExternalModules_2.length; _a++) { - var decl = ambientExternalModules_2[_a]; - if (decl.depth === 0) { - if (!ambientModuleNames) { - ambientModuleNames = []; + function topLevelItems(root) { + var topLevel = []; + function recur(item) { + if (isTopLevel(item)) { + topLevel.push(item); + if (item.children) { + for (var _i = 0, _a = item.children; _i < _a.length; _i++) { + var child = _a[_i]; + recur(child); } - ambientModuleNames.push(decl.ref.fileName); } - else { - importedFiles.push(decl.ref); + } + } + recur(root); + return topLevel; + function isTopLevel(item) { + switch (navigationBarNodeKind(item)) { + case 222: + case 193: + case 225: + case 223: + case 226: + case 256: + case 224: + case 279: + return true; + case 149: + case 148: + case 150: + case 151: + case 219: + return hasSomeImportantChild(item); + case 181: + case 221: + case 180: + return isTopLevelFunctionDeclaration(item); + default: + return false; + } + function isTopLevelFunctionDeclaration(item) { + if (!item.node.body) { + return false; + } + switch (navigationBarNodeKind(item.parent)) { + case 227: + case 256: + case 148: + case 149: + return true; + default: + return hasSomeImportantChild(item); } } + function hasSomeImportantChild(item) { + return ts.forEach(item.children, function (child) { + var childKind = navigationBarNodeKind(child); + return childKind !== 219 && childKind !== 170; + }); + } } - return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientModuleNames }; } - } - ts.preProcessFile = preProcessFile; + var emptyChildItemArray = []; + function convertToTree(n) { + return { + text: getItemName(n.node), + kind: ts.getNodeKind(n.node), + kindModifiers: ts.getNodeModifiers(n.node), + spans: getSpans(n), + childItems: ts.map(n.children, convertToTree) + }; + } + function convertToTopLevelItem(n) { + return { + text: getItemName(n.node), + kind: ts.getNodeKind(n.node), + kindModifiers: ts.getNodeModifiers(n.node), + spans: getSpans(n), + childItems: ts.map(n.children, convertToChildItem) || emptyChildItemArray, + indent: n.indent, + bolded: false, + grayed: false + }; + function convertToChildItem(n) { + return { + text: getItemName(n.node), + kind: ts.getNodeKind(n.node), + kindModifiers: ts.getNodeModifiers(n.node), + spans: getSpans(n), + childItems: emptyChildItemArray, + indent: 0, + bolded: false, + grayed: false + }; + } + } + function getSpans(n) { + var spans = [getNodeSpan(n.node)]; + if (n.additionalNodes) { + for (var _i = 0, _a = n.additionalNodes; _i < _a.length; _i++) { + var node = _a[_i]; + spans.push(getNodeSpan(node)); + } + } + return spans; + } + function getModuleName(moduleDeclaration) { + if (ts.isAmbientModule(moduleDeclaration)) { + return ts.getTextOfNode(moduleDeclaration.name); + } + var result = []; + result.push(moduleDeclaration.name.text); + while (moduleDeclaration.body && moduleDeclaration.body.kind === 226) { + moduleDeclaration = moduleDeclaration.body; + result.push(moduleDeclaration.name.text); + } + return result.join("."); + } + function getInteriorModule(decl) { + return decl.body.kind === 226 ? getInteriorModule(decl.body) : decl; + } + function isComputedProperty(member) { + return !member.name || member.name.kind === 141; + } + function getNodeSpan(node) { + return node.kind === 256 + ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) + : ts.createTextSpanFromBounds(node.getStart(curSourceFile), node.getEnd()); + } + function getFunctionOrClassName(node) { + if (node.name && ts.getFullWidth(node.name) > 0) { + return ts.declarationNameToString(node.name); + } + else if (node.parent.kind === 219) { + return ts.declarationNameToString(node.parent.name); + } + else if (node.parent.kind === 188 && + node.parent.operatorToken.kind === 57) { + return nodeText(node.parent.left).replace(whiteSpaceRegex, ""); + } + else if (node.parent.kind === 253 && node.parent.name) { + return nodeText(node.parent.name); + } + else if (ts.getModifierFlags(node) & 512) { + return "default"; + } + else { + return ts.isClassLike(node) ? "" : ""; + } + } + function isFunctionOrClassExpression(node) { + return node.kind === 180 || node.kind === 181 || node.kind === 193; + } + var whiteSpaceRegex = /\s+/g; + })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); })(ts || (ts = {})); var ts; (function (ts) { - var Rename; - (function (Rename) { - function getRenameInfo(typeChecker, defaultLibFileName, getCanonicalFileName, sourceFile, position) { - var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); - var node = ts.getTouchingWord(sourceFile, position, true); - if (node) { - if (node.kind === 70 || - node.kind === 9 || - ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - ts.isThis(node)) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var declarations = symbol.getDeclarations(); - if (declarations && declarations.length > 0) { - if (ts.forEach(declarations, isDefinedInLibraryFile)) { - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); - } - var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var kind = ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node); - if (kind) { - return { - canRename: true, - kind: kind, - displayName: displayName, - localizedErrorMessage: undefined, - fullDisplayName: typeChecker.getFullyQualifiedName(symbol), - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - triggerSpan: createTriggerSpanForNode(node, sourceFile) - }; + var OutliningElementsCollector; + (function (OutliningElementsCollector) { + function collectElements(sourceFile) { + var elements = []; + var collapseText = "..."; + function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { + if (hintSpanNode && startElement && endElement) { + var span_12 = { + textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), + hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span_12); + } + } + function addOutliningSpanComments(commentSpan, autoCollapse) { + if (commentSpan) { + var span_13 = { + textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span_13); + } + } + function addOutliningForLeadingCommentsForNode(n) { + var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); + if (comments) { + var firstSingleLineCommentStart = -1; + var lastSingleLineCommentEnd = -1; + var isFirstSingleLineComment = true; + var singleLineCommentCount = 0; + for (var _i = 0, comments_4 = comments; _i < comments_4.length; _i++) { + var currentComment = comments_4[_i]; + if (currentComment.kind === 2) { + if (isFirstSingleLineComment) { + firstSingleLineCommentStart = currentComment.pos; } + isFirstSingleLineComment = false; + lastSingleLineCommentEnd = currentComment.end; + singleLineCommentCount++; + } + else if (currentComment.kind === 3) { + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + addOutliningSpanComments(currentComment, false); + singleLineCommentCount = 0; + lastSingleLineCommentEnd = -1; + isFirstSingleLineComment = true; } } - else if (node.kind === 9) { - var type = ts.getStringLiteralTypeForNode(node, typeChecker); - if (type) { - if (isDefinedInLibraryFile(node)) { - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + } + } + function combineAndAddMultipleSingleLineComments(count, start, end) { + if (count > 1) { + var multipleSingleLineComments = { + pos: start, + end: end, + kind: 2 + }; + addOutliningSpanComments(multipleSingleLineComments, false); + } + } + function autoCollapse(node) { + return ts.isFunctionBlock(node) && node.parent.kind !== 181; + } + var depth = 0; + var maxDepth = 20; + function walk(n) { + if (depth > maxDepth) { + return; + } + if (ts.isDeclaration(n)) { + addOutliningForLeadingCommentsForNode(n); + } + switch (n.kind) { + case 200: + if (!ts.isFunctionBlock(n)) { + var parent_22 = n.parent; + var openBrace = ts.findChildOfKind(n, 16, sourceFile); + var closeBrace = ts.findChildOfKind(n, 17, sourceFile); + if (parent_22.kind === 205 || + parent_22.kind === 208 || + parent_22.kind === 209 || + parent_22.kind === 207 || + parent_22.kind === 204 || + parent_22.kind === 206 || + parent_22.kind === 213 || + parent_22.kind === 252) { + addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); + break; } - else { - var displayName = ts.stripQuotes(type.text); - return { - canRename: true, - kind: ts.ScriptElementKind.variableElement, - displayName: displayName, - localizedErrorMessage: undefined, - fullDisplayName: displayName, - kindModifiers: ts.ScriptElementKindModifier.none, - triggerSpan: createTriggerSpanForNode(node, sourceFile) - }; + if (parent_22.kind === 217) { + var tryStatement = parent_22; + if (tryStatement.tryBlock === n) { + addOutliningSpan(parent_22, openBrace, closeBrace, autoCollapse(n)); + break; + } + else if (tryStatement.finallyBlock === n) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 86, sourceFile); + if (finallyKeyword) { + addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); + break; + } + } } + var span_14 = ts.createTextSpanFromBounds(n.getStart(), n.end); + elements.push({ + textSpan: span_14, + hintSpan: span_14, + bannerText: collapseText, + autoCollapse: autoCollapse(n) + }); + break; } + case 227: { + var openBrace = ts.findChildOfKind(n, 16, sourceFile); + var closeBrace = ts.findChildOfKind(n, 17, sourceFile); + addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); + break; } - } - } - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); - function getRenameInfoError(localizedErrorMessage) { - return { - canRename: false, - localizedErrorMessage: localizedErrorMessage, - displayName: undefined, - fullDisplayName: undefined, - kind: undefined, - kindModifiers: undefined, - triggerSpan: undefined - }; - } - function isDefinedInLibraryFile(declaration) { - if (defaultLibFileName) { - var sourceFile_1 = declaration.getSourceFile(); - var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_1.fileName)); - if (canonicalName === canonicalDefaultLibName) { - return true; + case 222: + case 223: + case 225: + case 172: + case 228: { + var openBrace = ts.findChildOfKind(n, 16, sourceFile); + var closeBrace = ts.findChildOfKind(n, 17, sourceFile); + addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); + break; } + case 171: + var openBracket = ts.findChildOfKind(n, 20, sourceFile); + var closeBracket = ts.findChildOfKind(n, 21, sourceFile); + addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); + break; } - return false; - } - function createTriggerSpanForNode(node, sourceFile) { - var start = node.getStart(sourceFile); - var width = node.getWidth(sourceFile); - if (node.kind === 9) { - start += 1; - width -= 2; - } - return ts.createTextSpan(start, width); + depth++; + ts.forEachChild(n, walk); + depth--; } + walk(sourceFile); + return elements; } - Rename.getRenameInfo = getRenameInfo; - })(Rename = ts.Rename || (ts.Rename = {})); + OutliningElementsCollector.collectElements = collectElements; + })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); })(ts || (ts = {})); var ts; (function (ts) { - var SignatureHelp; - (function (SignatureHelp) { - var emptyArray = []; - (function (ArgumentListKind) { - ArgumentListKind[ArgumentListKind["TypeArguments"] = 0] = "TypeArguments"; - ArgumentListKind[ArgumentListKind["CallArguments"] = 1] = "CallArguments"; - ArgumentListKind[ArgumentListKind["TaggedTemplateArguments"] = 2] = "TaggedTemplateArguments"; - })(SignatureHelp.ArgumentListKind || (SignatureHelp.ArgumentListKind = {})); - var ArgumentListKind = SignatureHelp.ArgumentListKind; - function getSignatureHelpItems(program, sourceFile, position, cancellationToken) { - var typeChecker = program.getTypeChecker(); - var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position); - if (!startingToken) { - return undefined; - } - var argumentInfo = getContainingArgumentInfo(startingToken, position, sourceFile); - cancellationToken.throwIfCancellationRequested(); - if (!argumentInfo) { - return undefined; - } - var call = argumentInfo.invocation; - var candidates = []; - var resolvedSignature = typeChecker.getResolvedSignature(call, candidates); - cancellationToken.throwIfCancellationRequested(); - if (!candidates.length) { - if (ts.isSourceFileJavaScript(sourceFile)) { - return createJavaScriptSignatureHelpItems(argumentInfo, program); - } + (function (PatternMatchKind) { + PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; + PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; + PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; + PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; + })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); + var PatternMatchKind = ts.PatternMatchKind; + function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { + return { + kind: kind, + punctuationStripped: punctuationStripped, + isCaseSensitive: isCaseSensitive, + camelCaseWeight: camelCaseWeight + }; + } + function createPatternMatcher(pattern) { + var stringToWordSpans = ts.createMap(); + pattern = pattern.trim(); + var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); + var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); + return { + getMatches: getMatches, + getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, + patternContainsDots: dotSeparatedSegments.length > 1 + }; + function skipMatch(candidate) { + return invalidPattern || !candidate; + } + function getMatchesForLastSegmentOfPattern(candidate) { + if (skipMatch(candidate)) { return undefined; } - return createSignatureHelpItems(candidates, resolvedSignature, argumentInfo, typeChecker); + return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); } - SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; - function createJavaScriptSignatureHelpItems(argumentInfo, program) { - if (argumentInfo.invocation.kind !== 175) { + function getMatches(candidateContainers, candidate) { + if (skipMatch(candidate)) { return undefined; } - var callExpression = argumentInfo.invocation; - var expression = callExpression.expression; - var name = expression.kind === 70 - ? expression - : expression.kind === 173 - ? expression.name - : undefined; - if (!name || !name.text) { + var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + if (!candidateMatch) { return undefined; } - var typeChecker = program.getTypeChecker(); - for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { - var sourceFile = _a[_i]; - var nameToDeclarations = sourceFile.getNamedDeclarations(); - var declarations = nameToDeclarations[name.text]; - if (declarations) { - for (var _b = 0, declarations_10 = declarations; _b < declarations_10.length; _b++) { - var declaration = declarations_10[_b]; - var symbol = declaration.symbol; - if (symbol) { - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, declaration); - if (type) { - var callSignatures = type.getCallSignatures(); - if (callSignatures && callSignatures.length) { - return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo, typeChecker); - } - } - } - } - } - } - } - function getImmediatelyContainingArgumentInfo(node, position, sourceFile) { - if (node.parent.kind === 175 || node.parent.kind === 176) { - var callExpression = node.parent; - if (node.kind === 26 || - node.kind === 18) { - var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - ts.Debug.assert(list !== undefined); - return { - kind: isTypeArgList ? 0 : 1, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list, sourceFile), - argumentIndex: 0, - argumentCount: getArgumentCount(list) - }; - } - var listItemInfo = ts.findListItemInfo(node); - if (listItemInfo) { - var list = listItemInfo.list; - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - var argumentIndex = getArgumentIndex(list, node); - var argumentCount = getArgumentCount(list); - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: isTypeArgList ? 0 : 1, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list, sourceFile), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } + candidateContainers = candidateContainers || []; + if (dotSeparatedSegments.length - 1 > candidateContainers.length) { return undefined; } - else if (node.kind === 12 && node.parent.kind === 177) { - if (ts.isInsideTemplateLiteral(node, position)) { - return getArgumentListInfoForTemplate(node.parent, 0, sourceFile); - } - } - else if (node.kind === 13 && node.parent.parent.kind === 177) { - var templateExpression = node.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 190); - var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; - return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); - } - else if (node.parent.kind === 198 && node.parent.parent.parent.kind === 177) { - var templateSpan = node.parent; - var templateExpression = templateSpan.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 190); - if (node.kind === 15 && !ts.isInsideTemplateLiteral(node, position)) { + var totalMatch = candidateMatch; + for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { + var segment = dotSeparatedSegments[i]; + var containerName = candidateContainers[j]; + var containerMatch = matchSegment(containerName, segment); + if (!containerMatch) { return undefined; } - var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); - var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node, position); - return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); - } - return undefined; - } - function getArgumentIndex(argumentsList, node) { - var argumentIndex = 0; - var listChildren = argumentsList.getChildren(); - for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { - var child = listChildren_1[_i]; - if (child === node) { - break; - } - if (child.kind !== 25) { - argumentIndex++; - } + ts.addRange(totalMatch, containerMatch); } - return argumentIndex; + return totalMatch; } - function getArgumentCount(argumentsList) { - var listChildren = argumentsList.getChildren(); - var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 25; }); - if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 25) { - argumentCount++; + function getWordSpans(word) { + if (!(word in stringToWordSpans)) { + stringToWordSpans[word] = breakIntoWordSpans(word); } - return argumentCount; + return stringToWordSpans[word]; } - function getArgumentIndexForTemplatePiece(spanIndex, node, position) { - ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); - if (ts.isTemplateLiteralKind(node.kind)) { - if (ts.isInsideTemplateLiteral(node, position)) { - return 0; + function matchTextChunk(candidate, chunk, punctuationStripped) { + var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); + if (index === 0) { + if (chunk.text.length === candidate.length) { + return createPatternMatch(PatternMatchKind.exact, punctuationStripped, candidate === chunk.text); } - return spanIndex + 2; - } - return spanIndex + 1; - } - function getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile) { - var argumentCount = tagExpression.template.kind === 12 - ? 1 - : tagExpression.template.templateSpans.length + 1; - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: 2, - invocation: tagExpression, - argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression, sourceFile), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - function getApplicableSpanForArguments(argumentsList, sourceFile) { - var applicableSpanStart = argumentsList.getFullStart(); - var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), false); - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getApplicableSpanForTaggedTemplate(taggedTemplate, sourceFile) { - var template = taggedTemplate.template; - var applicableSpanStart = template.getStart(); - var applicableSpanEnd = template.getEnd(); - if (template.kind === 190) { - var lastSpan = ts.lastOrUndefined(template.templateSpans); - if (lastSpan.literal.getFullWidth() === 0) { - applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, false); + else { + return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, ts.startsWith(candidate, chunk.text)); } } - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getContainingArgumentInfo(node, position, sourceFile) { - for (var n = node; n.kind !== 256; n = n.parent) { - if (ts.isFunctionBlock(n)) { - return undefined; - } - if (n.pos < n.parent.pos || n.end > n.parent.end) { - ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); - } - var argumentInfo = getImmediatelyContainingArgumentInfo(n, position, sourceFile); - if (argumentInfo) { - return argumentInfo; + var isLowercase = chunk.isLowerCase; + if (isLowercase) { + if (index > 0) { + var wordSpans = getWordSpans(candidate); + for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { + var span_15 = wordSpans_1[_i]; + if (partStartsWith(candidate, span_15, chunk.text, true)) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, partStartsWith(candidate, span_15, chunk.text, false)); + } + } } } - return undefined; - } - SignatureHelp.getContainingArgumentInfo = getContainingArgumentInfo; - function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { - var children = parent.getChildren(sourceFile); - var indexOfOpenerToken = children.indexOf(openerToken); - ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); - return children[indexOfOpenerToken + 1]; - } - function selectBestInvalidOverloadIndex(candidates, argumentCount) { - var maxParamsSignatureIndex = -1; - var maxParams = -1; - for (var i = 0; i < candidates.length; i++) { - var candidate = candidates[i]; - if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { - return i; - } - if (candidate.parameters.length > maxParams) { - maxParams = candidate.parameters.length; - maxParamsSignatureIndex = i; + else { + if (candidate.indexOf(chunk.text) > 0) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, true); } } - return maxParamsSignatureIndex; - } - function createSignatureHelpItems(candidates, bestSignature, argumentListInfo, typeChecker) { - var applicableSpan = argumentListInfo.argumentsSpan; - var isTypeParameterList = argumentListInfo.kind === 0; - var invocation = argumentListInfo.invocation; - var callTarget = ts.getInvokedExpression(invocation); - var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); - var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, undefined, undefined); - var items = ts.map(candidates, function (candidateSignature) { - var signatureHelpParameters; - var prefixDisplayParts = []; - var suffixDisplayParts = []; - if (callTargetDisplayParts) { - ts.addRange(prefixDisplayParts, callTargetDisplayParts); - } - if (isTypeParameterList) { - prefixDisplayParts.push(ts.punctuationPart(26)); - var typeParameters = candidateSignature.typeParameters; - signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(28)); - var parameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.thisParameter, candidateSignature.parameters, writer, invocation); - }); - ts.addRange(suffixDisplayParts, parameterParts); - } - else { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); - }); - ts.addRange(prefixDisplayParts, typeParameterParts); - prefixDisplayParts.push(ts.punctuationPart(18)); - var parameters = candidateSignature.parameters; - signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(19)); + if (!isLowercase) { + if (chunk.characterSpans.length > 0) { + var candidateParts = getWordSpans(candidate); + var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, false); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, true, camelCaseWeight); + } + camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, true); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, false, camelCaseWeight); + } } - var returnTypeParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); - }); - ts.addRange(suffixDisplayParts, returnTypeParts); - return { - isVariadic: candidateSignature.hasRestParameter, - prefixDisplayParts: prefixDisplayParts, - suffixDisplayParts: suffixDisplayParts, - separatorDisplayParts: [ts.punctuationPart(25), ts.spacePart()], - parameters: signatureHelpParameters, - documentation: candidateSignature.getDocumentationComment() - }; - }); - var argumentIndex = argumentListInfo.argumentIndex; - var argumentCount = argumentListInfo.argumentCount; - var selectedItemIndex = candidates.indexOf(bestSignature); - if (selectedItemIndex < 0) { - selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); - } - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - items: items, - applicableSpan: applicableSpan, - selectedItemIndex: selectedItemIndex, - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - function createSignatureHelpParameterForParameter(parameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); - }); - return { - name: parameter.name, - documentation: parameter.getDocumentationComment(), - displayParts: displayParts, - isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) - }; - } - function createSignatureHelpParameterForTypeParameter(typeParameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); - }); - return { - name: typeParameter.symbol.name, - documentation: emptyArray, - displayParts: displayParts, - isOptional: false - }; } - } - })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var SymbolDisplay; - (function (SymbolDisplay) { - function getSymbolKind(typeChecker, symbol, location) { - var flags = symbol.getFlags(); - if (flags & 32) - return ts.getDeclarationOfKind(symbol, 193) ? - ts.ScriptElementKind.localClassElement : ts.ScriptElementKind.classElement; - if (flags & 384) - return ts.ScriptElementKind.enumElement; - if (flags & 524288) - return ts.ScriptElementKind.typeElement; - if (flags & 64) - return ts.ScriptElementKind.interfaceElement; - if (flags & 262144) - return ts.ScriptElementKind.typeParameterElement; - var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location); - if (result === ts.ScriptElementKind.unknown) { - if (flags & 262144) - return ts.ScriptElementKind.typeParameterElement; - if (flags & 8) - return ts.ScriptElementKind.variableElement; - if (flags & 8388608) - return ts.ScriptElementKind.alias; - if (flags & 1536) - return ts.ScriptElementKind.moduleElement; + if (isLowercase) { + if (chunk.text.length < candidate.length) { + if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, false); + } + } } - return result; + return undefined; } - SymbolDisplay.getSymbolKind = getSymbolKind; - function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location) { - if (typeChecker.isUndefinedSymbol(symbol)) { - return ts.ScriptElementKind.variableElement; - } - if (typeChecker.isArgumentsSymbol(symbol)) { - return ts.ScriptElementKind.localVariableElement; - } - if (location.kind === 98 && ts.isExpression(location)) { - return ts.ScriptElementKind.parameterElement; + function containsSpaceOrAsterisk(text) { + for (var i = 0; i < text.length; i++) { + var ch = text.charCodeAt(i); + if (ch === 32 || ch === 42) { + return true; + } } - if (flags & 3) { - if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { - return ts.ScriptElementKind.parameterElement; + return false; + } + function matchSegment(candidate, segment) { + if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { + var match = matchTextChunk(candidate, segment.totalTextChunk, false); + if (match) { + return [match]; } - else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { - return ts.ScriptElementKind.constElement; + } + var subWordTextChunks = segment.subWordTextChunks; + var matches = undefined; + for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { + var subWordTextChunk = subWordTextChunks_1[_i]; + var result = matchTextChunk(candidate, subWordTextChunk, true); + if (!result) { + return undefined; } - else if (ts.forEach(symbol.declarations, ts.isLet)) { - return ts.ScriptElementKind.letElement; + matches = matches || []; + matches.push(result); + } + return matches; + } + function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { + var patternPartStart = patternSpan ? patternSpan.start : 0; + var patternPartLength = patternSpan ? patternSpan.length : pattern.length; + if (patternPartLength > candidateSpan.length) { + return false; + } + if (ignoreCase) { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (toLowerCase(ch1) !== toLowerCase(ch2)) { + return false; + } } - return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localVariableElement : ts.ScriptElementKind.variableElement; } - if (flags & 16) - return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localFunctionElement : ts.ScriptElementKind.functionElement; - if (flags & 32768) - return ts.ScriptElementKind.memberGetAccessorElement; - if (flags & 65536) - return ts.ScriptElementKind.memberSetAccessorElement; - if (flags & 8192) - return ts.ScriptElementKind.memberFunctionElement; - if (flags & 16384) - return ts.ScriptElementKind.constructorImplementationElement; - if (flags & 4) { - if (flags & 268435456) { - var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - var rootSymbolFlags = rootSymbol.getFlags(); - if (rootSymbolFlags & (98308 | 3)) { - return ts.ScriptElementKind.memberVariableElement; - } - ts.Debug.assert(!!(rootSymbolFlags & 8192)); - }); - if (!unionPropertyKind) { - var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (typeOfUnionProperty.getCallSignatures().length) { - return ts.ScriptElementKind.memberFunctionElement; - } - return ts.ScriptElementKind.memberVariableElement; + else { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (ch1 !== ch2) { + return false; } - return unionPropertyKind; } - return ts.ScriptElementKind.memberVariableElement; } - return ts.ScriptElementKind.unknown; - } - function getSymbolModifiers(symbol) { - return symbol && symbol.declarations && symbol.declarations.length > 0 - ? ts.getNodeModifiers(symbol.declarations[0]) - : ts.ScriptElementKindModifier.none; + return true; } - SymbolDisplay.getSymbolModifiers = getSymbolModifiers; - function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { - if (semanticMeaning === void 0) { semanticMeaning = ts.getMeaningFromLocation(location); } - var displayParts = []; - var documentation; - var symbolFlags = symbol.flags; - var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, symbolFlags, location); - var hasAddedSymbolInfo; - var isThisExpression = location.kind === 98 && ts.isExpression(location); - var type; - if (symbolKind !== ts.ScriptElementKind.unknown || symbolFlags & 32 || symbolFlags & 8388608) { - if (symbolKind === ts.ScriptElementKind.memberGetAccessorElement || symbolKind === ts.ScriptElementKind.memberSetAccessorElement) { - symbolKind = ts.ScriptElementKind.memberVariableElement; - } - var signature = void 0; - type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (type) { - if (location.parent && location.parent.kind === 173) { - var right = location.parent.name; - if (right === location || (right && right.getFullWidth() === 0)) { - location = location.parent; - } - } - var callExpression = void 0; - if (location.kind === 175 || location.kind === 176) { - callExpression = location; + function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { + var chunkCharacterSpans = chunk.characterSpans; + var currentCandidate = 0; + var currentChunkSpan = 0; + var firstMatch = undefined; + var contiguous = undefined; + while (true) { + if (currentChunkSpan === chunkCharacterSpans.length) { + var weight = 0; + if (contiguous) { + weight += 1; } - else if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location)) { - callExpression = location.parent; + if (firstMatch === 0) { + weight += 2; } - if (callExpression) { - var candidateSignatures = []; - signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); - if (!signature && candidateSignatures.length) { - signature = candidateSignatures[0]; - } - var useConstructSignatures = callExpression.kind === 176 || callExpression.expression.kind === 96; - var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); - if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { - signature = allSignatures.length ? allSignatures[0] : undefined; - } - if (signature) { - if (useConstructSignatures && (symbolFlags & 32)) { - symbolKind = ts.ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else if (symbolFlags & 8388608) { - symbolKind = ts.ScriptElementKind.alias; - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(93)); - displayParts.push(ts.spacePart()); - } - addFullSymbolName(symbol); - } - else { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - } - switch (symbolKind) { - case ts.ScriptElementKind.memberVariableElement: - case ts.ScriptElementKind.variableElement: - case ts.ScriptElementKind.constElement: - case ts.ScriptElementKind.letElement: - case ts.ScriptElementKind.parameterElement: - case ts.ScriptElementKind.localVariableElement: - displayParts.push(ts.punctuationPart(55)); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(93)); - displayParts.push(ts.spacePart()); - } - if (!(type.flags & 2097152) && type.symbol) { - ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, undefined, 1)); - } - addSignatureDisplayParts(signature, allSignatures, 8); - break; - default: - addSignatureDisplayParts(signature, allSignatures); - } - hasAddedSymbolInfo = true; + return weight; + } + else if (currentCandidate === candidateParts.length) { + return undefined; + } + var candidatePart = candidateParts[currentCandidate]; + var gotOneMatchThisCandidate = false; + for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { + var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; + if (gotOneMatchThisCandidate) { + if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || + !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { + break; } } - else if ((ts.isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304)) || - (location.kind === 122 && location.parent.kind === 149)) { - var functionDeclaration = location.parent; - var allSignatures = functionDeclaration.kind === 149 ? type.getNonNullableType().getConstructSignatures() : type.getNonNullableType().getCallSignatures(); - if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { - signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); - } - else { - signature = allSignatures[0]; - } - if (functionDeclaration.kind === 149) { - symbolKind = ts.ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else { - addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 152 && - !(type.symbol.flags & 2048 || type.symbol.flags & 4096) ? type.symbol : symbol, symbolKind); - } - addSignatureDisplayParts(signature, allSignatures); - hasAddedSymbolInfo = true; + if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { + break; } + gotOneMatchThisCandidate = true; + firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; + contiguous = contiguous === undefined ? true : contiguous; + candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); } - } - if (symbolFlags & 32 && !hasAddedSymbolInfo && !isThisExpression) { - if (ts.getDeclarationOfKind(symbol, 193)) { - pushTypePart(ts.ScriptElementKind.localClassElement); - } - else { - displayParts.push(ts.keywordPart(74)); + if (!gotOneMatchThisCandidate && contiguous !== undefined) { + contiguous = false; } - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); + currentCandidate++; } - if ((symbolFlags & 64) && (semanticMeaning & 2)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(108)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); + } + } + ts.createPatternMatcher = createPatternMatcher; + function createSegment(text) { + return { + totalTextChunk: createTextChunk(text), + subWordTextChunks: breakPatternIntoTextChunks(text) + }; + } + function segmentIsInvalid(segment) { + return segment.subWordTextChunks.length === 0; + } + function isUpperCaseLetter(ch) { + if (ch >= 65 && ch <= 90) { + return true; + } + if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { + return false; + } + var str = String.fromCharCode(ch); + return str === str.toUpperCase(); + } + function isLowerCaseLetter(ch) { + if (ch >= 97 && ch <= 122) { + return true; + } + if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 4)) { + return false; + } + var str = String.fromCharCode(ch); + return str === str.toLowerCase(); + } + function indexOfIgnoringCase(string, value) { + for (var i = 0, n = string.length - value.length; i <= n; i++) { + if (startsWithIgnoringCase(string, value, i)) { + return i; } - if (symbolFlags & 524288) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(135)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration, 512)); + } + return -1; + } + function startsWithIgnoringCase(string, value, start) { + for (var i = 0, n = value.length; i < n; i++) { + var ch1 = toLowerCase(string.charCodeAt(i + start)); + var ch2 = value.charCodeAt(i); + if (ch1 !== ch2) { + return false; } - if (symbolFlags & 384) { - addNewLineIfDisplayPartsExist(); - if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { - displayParts.push(ts.keywordPart(75)); - displayParts.push(ts.spacePart()); + } + return true; + } + function toLowerCase(ch) { + if (ch >= 65 && ch <= 90) { + return 97 + (ch - 65); + } + if (ch < 127) { + return ch; + } + return String.fromCharCode(ch).toLowerCase().charCodeAt(0); + } + function isDigit(ch) { + return ch >= 48 && ch <= 57; + } + function isWordChar(ch) { + return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 || ch === 36; + } + function breakPatternIntoTextChunks(pattern) { + var result = []; + var wordStart = 0; + var wordLength = 0; + for (var i = 0; i < pattern.length; i++) { + var ch = pattern.charCodeAt(i); + if (isWordChar(ch)) { + if (wordLength === 0) { + wordStart = i; } - displayParts.push(ts.keywordPart(82)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); + wordLength++; } - if (symbolFlags & 1536) { - addNewLineIfDisplayPartsExist(); - var declaration = ts.getDeclarationOfKind(symbol, 226); - var isNamespace = declaration && declaration.name && declaration.name.kind === 70; - displayParts.push(ts.keywordPart(isNamespace ? 127 : 126)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); + else { + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + wordLength = 0; + } } - if ((symbolFlags & 262144) && (semanticMeaning & 2)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.textPart("type parameter")); - displayParts.push(ts.punctuationPart(19)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(91)); - displayParts.push(ts.spacePart()); - if (symbol.parent) { - addFullSymbolName(symbol.parent, enclosingDeclaration); - writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + } + return result; + } + function createTextChunk(text) { + var textLowerCase = text.toLowerCase(); + return { + text: text, + textLowerCase: textLowerCase, + isLowerCase: text === textLowerCase, + characterSpans: breakIntoCharacterSpans(text) + }; + } + function breakIntoCharacterSpans(identifier) { + return breakIntoSpans(identifier, false); + } + ts.breakIntoCharacterSpans = breakIntoCharacterSpans; + function breakIntoWordSpans(identifier) { + return breakIntoSpans(identifier, true); + } + ts.breakIntoWordSpans = breakIntoWordSpans; + function breakIntoSpans(identifier, word) { + var result = []; + var wordStart = 0; + for (var i = 1, n = identifier.length; i < n; i++) { + var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); + var currentIsDigit = isDigit(identifier.charCodeAt(i)); + var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); + var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); + if (charIsPunctuation(identifier.charCodeAt(i - 1)) || + charIsPunctuation(identifier.charCodeAt(i)) || + lastIsDigit !== currentIsDigit || + hasTransitionFromLowerToUpper || + hasTransitionFromUpperToLower) { + if (!isAllPunctuation(identifier, wordStart, i)) { + result.push(ts.createTextSpan(wordStart, i - wordStart)); } - else { - var declaration = ts.getDeclarationOfKind(symbol, 142); - ts.Debug.assert(declaration !== undefined); - declaration = declaration.parent; - if (declaration) { - if (ts.isFunctionLikeKind(declaration.kind)) { - var signature = typeChecker.getSignatureFromDeclaration(declaration); - if (declaration.kind === 153) { - displayParts.push(ts.keywordPart(93)); - displayParts.push(ts.spacePart()); - } - else if (declaration.kind !== 152 && declaration.name) { - addFullSymbolName(declaration.symbol); - } - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32)); - } - else { - displayParts.push(ts.keywordPart(135)); - displayParts.push(ts.spacePart()); - addFullSymbolName(declaration.symbol); - writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + wordStart = i; + } + } + if (!isAllPunctuation(identifier, wordStart, identifier.length)) { + result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); + } + return result; + } + function charIsPunctuation(ch) { + switch (ch) { + case 33: + case 34: + case 35: + case 37: + case 38: + case 39: + case 40: + case 41: + case 42: + case 44: + case 45: + case 46: + case 47: + case 58: + case 59: + case 63: + case 64: + case 91: + case 92: + case 93: + case 95: + case 123: + case 125: + return true; + } + return false; + } + function isAllPunctuation(identifier, start, end) { + for (var i = start; i < end; i++) { + var ch = identifier.charCodeAt(i); + if (!charIsPunctuation(ch) || ch === 95 || ch === 36) { + return false; + } + } + return true; + } + function transitionFromUpperToLower(identifier, word, index, wordStart) { + if (word) { + if (index !== wordStart && + index + 1 < identifier.length) { + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); + if (currentIsUpper && nextIsLower) { + for (var i = wordStart; i < index; i++) { + if (!isUpperCaseLetter(identifier.charCodeAt(i))) { + return false; } } + return true; + } + } + } + return false; + } + function transitionFromLowerToUpper(identifier, word, index) { + var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var transition = word + ? (currentIsUpper && !lastIsUpper) + : currentIsUpper; + return transition; + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { + if (readImportFiles === void 0) { readImportFiles = true; } + if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } + var referencedFiles = []; + var typeReferenceDirectives = []; + var importedFiles = []; + var ambientExternalModules; + var isNoDefaultLib = false; + var braceNesting = 0; + var externalModule = false; + function nextToken() { + var token = ts.scanner.scan(); + if (token === 16) { + braceNesting++; + } + else if (token === 17) { + braceNesting--; + } + return token; + } + function processTripleSlashDirectives() { + var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); + ts.forEach(commentRanges, function (commentRange) { + var comment = sourceText.substring(commentRange.pos, commentRange.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); + if (referencePathMatchResult) { + isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var fileReference = referencePathMatchResult.fileReference; + if (fileReference) { + var collection = referencePathMatchResult.isTypeReferenceDirective + ? typeReferenceDirectives + : referencedFiles; + collection.push(fileReference); + } } + }); + } + function getFileReference() { + var file = ts.scanner.getTokenValue(); + var pos = ts.scanner.getTokenPos(); + return { + fileName: file, + pos: pos, + end: pos + file.length + }; + } + function recordAmbientExternalModule() { + if (!ambientExternalModules) { + ambientExternalModules = []; } - if (symbolFlags & 8) { - addPrefixForAnyFunctionOrVar(symbol, "enum member"); - var declaration = symbol.declarations[0]; - if (declaration.kind === 255) { - var constantValue = typeChecker.getConstantValue(declaration); - if (constantValue !== undefined) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.displayPart(constantValue.toString(), ts.SymbolDisplayPartKind.numericLiteral)); + ambientExternalModules.push({ ref: getFileReference(), depth: braceNesting }); + } + function recordModuleName() { + importedFiles.push(getFileReference()); + markAsExternalModuleIfTopLevel(); + } + function markAsExternalModuleIfTopLevel() { + if (braceNesting === 0) { + externalModule = true; + } + } + function tryConsumeDeclare() { + var token = ts.scanner.getToken(); + if (token === 123) { + token = nextToken(); + if (token === 126) { + token = nextToken(); + if (token === 9) { + recordAmbientExternalModule(); } } + return true; } - if (symbolFlags & 8388608) { - addNewLineIfDisplayPartsExist(); - if (symbol.declarations[0].kind === 229) { - displayParts.push(ts.keywordPart(83)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(127)); + return false; + } + function tryConsumeImport() { + var token = ts.scanner.getToken(); + if (token === 90) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + return true; } else { - displayParts.push(ts.keywordPart(90)); - } - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 230) { - var importEqualsDeclaration = declaration; - if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(130)); - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), ts.SymbolDisplayPartKind.stringLiteral)); - displayParts.push(ts.punctuationPart(19)); + if (token === 70 || ts.isKeyword(token)) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + return true; + } } - else { - var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); - if (internalAliasSymbol) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(57)); - displayParts.push(ts.spacePart()); - addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + else if (token === 57) { + if (tryConsumeRequireCall(true)) { + return true; } } - return true; - } - }); - } - if (!hasAddedSymbolInfo) { - if (symbolKind !== ts.ScriptElementKind.unknown) { - if (type) { - if (isThisExpression) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(98)); + else if (token === 25) { + token = nextToken(); } else { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); + return true; } - if (symbolKind === ts.ScriptElementKind.memberVariableElement || - symbolFlags & 3 || - symbolKind === ts.ScriptElementKind.localVariableElement || - isThisExpression) { - displayParts.push(ts.punctuationPart(55)); - displayParts.push(ts.spacePart()); - if (type.symbol && type.symbol.flags & 262144) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - else { - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + if (token === 16) { + token = nextToken(); + while (token !== 17 && token !== 1) { + token = nextToken(); + } + if (token === 17) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } } } - else if (symbolFlags & 16 || - symbolFlags & 8192 || - symbolFlags & 16384 || - symbolFlags & 131072 || - symbolFlags & 98304 || - symbolKind === ts.ScriptElementKind.memberFunctionElement) { - var allSignatures = type.getNonNullableType().getCallSignatures(); - addSignatureDisplayParts(allSignatures[0], allSignatures); + } + else if (token === 38) { + token = nextToken(); + if (token === 117) { + token = nextToken(); + if (token === 70 || ts.isKeyword(token)) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } + } + } } } } - else { - symbolKind = getSymbolKind(typeChecker, symbol, location); - } + return true; } - if (!documentation) { - documentation = symbol.getDocumentationComment(); - if (documentation.length === 0 && symbol.flags & 4) { - if (symbol.parent && ts.forEach(symbol.parent.declarations, function (declaration) { return declaration.kind === 256; })) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (!declaration.parent || declaration.parent.kind !== 188) { - continue; - } - var rhsSymbol = typeChecker.getSymbolAtLocation(declaration.parent.right); - if (!rhsSymbol) { - continue; - } - documentation = rhsSymbol.getDocumentationComment(); - if (documentation.length > 0) { - break; + return false; + } + function tryConsumeExport() { + var token = ts.scanner.getToken(); + if (token === 83) { + markAsExternalModuleIfTopLevel(); + token = nextToken(); + if (token === 16) { + token = nextToken(); + while (token !== 17 && token !== 1) { + token = nextToken(); + } + if (token === 17) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); } } } } - } - return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; - function addNewLineIfDisplayPartsExist() { - if (displayParts.length) { - displayParts.push(ts.lineBreakPart()); - } - } - function addFullSymbolName(symbol, enclosingDeclaration) { - var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, undefined, 1 | 2); - ts.addRange(displayParts, fullSymbolDisplayParts); - } - function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { - addNewLineIfDisplayPartsExist(); - if (symbolKind) { - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); + else if (token === 38) { + token = nextToken(); + if (token === 137) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } + } } - } - function pushTypePart(symbolKind) { - switch (symbolKind) { - case ts.ScriptElementKind.variableElement: - case ts.ScriptElementKind.functionElement: - case ts.ScriptElementKind.letElement: - case ts.ScriptElementKind.constElement: - case ts.ScriptElementKind.constructorImplementationElement: - displayParts.push(ts.textOrKeywordPart(symbolKind)); - return; - default: - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.textOrKeywordPart(symbolKind)); - displayParts.push(ts.punctuationPart(19)); - return; + else if (token === 90) { + token = nextToken(); + if (token === 70 || ts.isKeyword(token)) { + token = nextToken(); + if (token === 57) { + if (tryConsumeRequireCall(true)) { + return true; + } + } + } } + return true; } - function addSignatureDisplayParts(signature, allSignatures, flags) { - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32)); - if (allSignatures.length > 1) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.operatorPart(36)); - displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), ts.SymbolDisplayPartKind.numericLiteral)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); - displayParts.push(ts.punctuationPart(19)); + return false; + } + function tryConsumeRequireCall(skipCurrentToken) { + var token = skipCurrentToken ? nextToken() : ts.scanner.getToken(); + if (token === 130) { + token = nextToken(); + if (token === 18) { + token = nextToken(); + if (token === 9) { + recordModuleName(); + } } - documentation = signature.getDocumentationComment(); - } - function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); + return true; } + return false; } - SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind = getSymbolDisplayPartsDocumentationAndSymbolKind; - function isLocalVariableOrFunction(symbol) { - if (symbol.parent) { - return false; - } - return ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 180) { + function tryConsumeDefine() { + var token = ts.scanner.getToken(); + if (token === 70 && ts.scanner.getTokenValue() === "define") { + token = nextToken(); + if (token !== 18) { return true; } - if (declaration.kind !== 219 && declaration.kind !== 221) { - return false; + token = nextToken(); + if (token === 9) { + token = nextToken(); + if (token === 25) { + token = nextToken(); + } + else { + return true; + } } - for (var parent_23 = declaration.parent; !ts.isFunctionBlock(parent_23); parent_23 = parent_23.parent) { - if (parent_23.kind === 256 || parent_23.kind === 227) { - return false; + if (token !== 20) { + return true; + } + token = nextToken(); + var i = 0; + while (token !== 21 && token !== 1) { + if (token === 9) { + recordModuleName(); + i++; } + token = nextToken(); } return true; - }); - } - })(SymbolDisplay = ts.SymbolDisplay || (ts.SymbolDisplay = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - function transpileModule(input, transpileOptions) { - var diagnostics = []; - var options = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : ts.getDefaultCompilerOptions(); - options.isolatedModules = true; - options.suppressOutputPathCheck = true; - options.allowNonTsExtensions = true; - options.noLib = true; - options.lib = undefined; - options.types = undefined; - options.noEmit = undefined; - options.noEmitOnError = undefined; - options.paths = undefined; - options.rootDirs = undefined; - options.declaration = undefined; - options.declarationDir = undefined; - options.out = undefined; - options.outFile = undefined; - options.noResolve = true; - var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); - var sourceFile = ts.createSourceFile(inputFileName, input, options.target); - if (transpileOptions.moduleName) { - sourceFile.moduleName = transpileOptions.moduleName; - } - if (transpileOptions.renamedDependencies) { - sourceFile.renamedDependencies = ts.createMap(transpileOptions.renamedDependencies); + } + return false; } - var newLine = ts.getNewLineCharacter(options); - var outputText; - var sourceMapText; - var compilerHost = { - getSourceFile: function (fileName) { return fileName === ts.normalizePath(inputFileName) ? sourceFile : undefined; }, - writeFile: function (name, text) { - if (ts.fileExtensionIs(name, ".map")) { - ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); - sourceMapText = text; + function processImports() { + ts.scanner.setText(sourceText); + nextToken(); + while (true) { + if (ts.scanner.getToken() === 1) { + break; + } + if (tryConsumeDeclare() || + tryConsumeImport() || + tryConsumeExport() || + (detectJavaScriptImports && (tryConsumeRequireCall(false) || tryConsumeDefine()))) { + continue; } else { - ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); - outputText = text; + nextToken(); } - }, - getDefaultLibFileName: function () { return "lib.d.ts"; }, - useCaseSensitiveFileNames: function () { return false; }, - getCanonicalFileName: function (fileName) { return fileName; }, - getCurrentDirectory: function () { return ""; }, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return fileName === inputFileName; }, - readFile: function () { return ""; }, - directoryExists: function () { return true; }, - getDirectories: function () { return []; } - }; - var program = ts.createProgram([inputFileName], options, compilerHost); - if (transpileOptions.reportDiagnostics) { - ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile)); - ts.addRange(diagnostics, program.getOptionsDiagnostics()); - } - program.emit(); - ts.Debug.assert(outputText !== undefined, "Output generation failed"); - return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; - } - ts.transpileModule = transpileModule; - function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { - var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); - ts.addRange(diagnostics, output.diagnostics); - return output.outputText; - } - ts.transpile = transpile; - var commandLineOptionsStringToEnum; - function fixupCompilerOptions(options, diagnostics) { - commandLineOptionsStringToEnum = commandLineOptionsStringToEnum || ts.filter(ts.optionDeclarations, function (o) { - return typeof o.type === "object" && !ts.forEachProperty(o.type, function (v) { return typeof v !== "number"; }); - }); - options = ts.clone(options); - var _loop_2 = function (opt) { - if (!ts.hasProperty(options, opt.name)) { - return "continue"; } - var value = options[opt.name]; - if (typeof value === "string") { - options[opt.name] = ts.parseCustomTypeOption(opt, value, diagnostics); + ts.scanner.setText(undefined); + } + if (readImportFiles) { + processImports(); + } + processTripleSlashDirectives(); + if (externalModule) { + if (ambientExternalModules) { + for (var _i = 0, ambientExternalModules_1 = ambientExternalModules; _i < ambientExternalModules_1.length; _i++) { + var decl = ambientExternalModules_1[_i]; + importedFiles.push(decl.ref); + } } - else { - if (!ts.forEachProperty(opt.type, function (v) { return v === value; })) { - diagnostics.push(ts.createCompilerDiagnosticForInvalidCustomType(opt)); + return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: undefined }; + } + else { + var ambientModuleNames = void 0; + if (ambientExternalModules) { + for (var _a = 0, ambientExternalModules_2 = ambientExternalModules; _a < ambientExternalModules_2.length; _a++) { + var decl = ambientExternalModules_2[_a]; + if (decl.depth === 0) { + if (!ambientModuleNames) { + ambientModuleNames = []; + } + ambientModuleNames.push(decl.ref.fileName); + } + else { + importedFiles.push(decl.ref); + } } } - }; - for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) { - var opt = commandLineOptionsStringToEnum_1[_i]; - _loop_2(opt); + return { referencedFiles: referencedFiles, typeReferenceDirectives: typeReferenceDirectives, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientModuleNames }; } - return options; } + ts.preProcessFile = preProcessFile; })(ts || (ts = {})); var ts; (function (ts) { - var formatting; - (function (formatting) { - var standardScanner = ts.createScanner(4, false, 0); - var jsxScanner = ts.createScanner(4, false, 1); - var scanner; - var ScanAction; - (function (ScanAction) { - ScanAction[ScanAction["Scan"] = 0] = "Scan"; - ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken"; - ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken"; - ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken"; - ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier"; - ScanAction[ScanAction["RescanJsxText"] = 5] = "RescanJsxText"; - })(ScanAction || (ScanAction = {})); - function getFormattingScanner(sourceFile, startPos, endPos) { - ts.Debug.assert(scanner === undefined, "Scanner should be undefined"); - scanner = sourceFile.languageVariant === 1 ? jsxScanner : standardScanner; - scanner.setText(sourceFile.text); - scanner.setTextPos(startPos); - var wasNewLine = true; - var leadingTrivia; - var trailingTrivia; - var savedPos; - var lastScanAction; - var lastTokenInfo; - return { - advance: advance, - readTokenInfo: readTokenInfo, - isOnToken: isOnToken, - getCurrentLeadingTrivia: function () { return leadingTrivia; }, - lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, - skipToEndOf: skipToEndOf, - close: function () { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - scanner.setText(undefined); - scanner = undefined; - } - }; - function advance() { - ts.Debug.assert(scanner !== undefined, "Scanner should be present"); - lastTokenInfo = undefined; - var isStarted = scanner.getStartPos() !== startPos; - if (isStarted) { - if (trailingTrivia) { - ts.Debug.assert(trailingTrivia.length !== 0); - wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4; - } - else { - wasNewLine = false; - } - } - leadingTrivia = undefined; - trailingTrivia = undefined; - if (!isStarted) { - scanner.scan(); - } - var pos = scanner.getStartPos(); - while (pos < endPos) { - var t = scanner.getToken(); - if (!ts.isTrivia(t)) { - break; + var Rename; + (function (Rename) { + function getRenameInfo(typeChecker, defaultLibFileName, getCanonicalFileName, sourceFile, position) { + var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); + var node = ts.getTouchingWord(sourceFile, position, true); + if (node) { + if (node.kind === 70 || + node.kind === 9 || + ts.isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + ts.isThis(node)) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var declarations = symbol.getDeclarations(); + if (declarations && declarations.length > 0) { + if (ts.forEach(declarations, isDefinedInLibraryFile)) { + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + } + var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var kind = ts.SymbolDisplay.getSymbolKind(typeChecker, symbol, node); + if (kind) { + return { + canRename: true, + kind: kind, + displayName: displayName, + localizedErrorMessage: undefined, + fullDisplayName: typeChecker.getFullyQualifiedName(symbol), + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), + triggerSpan: createTriggerSpanForNode(node, sourceFile) + }; + } + } } - scanner.scan(); - var item = { - pos: pos, - end: scanner.getStartPos(), - kind: t - }; - pos = scanner.getStartPos(); - if (!leadingTrivia) { - leadingTrivia = []; + else if (node.kind === 9) { + var type = ts.getStringLiteralTypeForNode(node, typeChecker); + if (type) { + if (isDefinedInLibraryFile(node)) { + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + } + else { + var displayName = ts.stripQuotes(type.text); + return { + canRename: true, + kind: ts.ScriptElementKind.variableElement, + displayName: displayName, + localizedErrorMessage: undefined, + fullDisplayName: displayName, + kindModifiers: ts.ScriptElementKindModifier.none, + triggerSpan: createTriggerSpanForNode(node, sourceFile) + }; + } + } } - leadingTrivia.push(item); } - savedPos = scanner.getStartPos(); } - function shouldRescanGreaterThanToken(node) { - if (node) { - switch (node.kind) { - case 30: - case 65: - case 66: - case 46: - case 45: - return true; + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); + function getRenameInfoError(localizedErrorMessage) { + return { + canRename: false, + localizedErrorMessage: localizedErrorMessage, + displayName: undefined, + fullDisplayName: undefined, + kind: undefined, + kindModifiers: undefined, + triggerSpan: undefined + }; + } + function isDefinedInLibraryFile(declaration) { + if (defaultLibFileName) { + var sourceFile_1 = declaration.getSourceFile(); + var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_1.fileName)); + if (canonicalName === canonicalDefaultLibName) { + return true; } } return false; } - function shouldRescanJsxIdentifier(node) { - if (node.parent) { - switch (node.parent.kind) { - case 246: - case 244: - case 245: - case 243: - return node.kind === 70; - } + function createTriggerSpanForNode(node, sourceFile) { + var start = node.getStart(sourceFile); + var width = node.getWidth(sourceFile); + if (node.kind === 9) { + start += 1; + width -= 2; } - return false; + return ts.createTextSpan(start, width); } - function shouldRescanJsxText(node) { - return node && node.kind === 10; + } + Rename.getRenameInfo = getRenameInfo; + })(Rename = ts.Rename || (ts.Rename = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var SignatureHelp; + (function (SignatureHelp) { + var emptyArray = []; + function getSignatureHelpItems(program, sourceFile, position, cancellationToken) { + var typeChecker = program.getTypeChecker(); + var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position); + if (!startingToken) { + return undefined; } - function shouldRescanSlashToken(container) { - return container.kind === 11; + var argumentInfo = getContainingArgumentInfo(startingToken, position, sourceFile); + cancellationToken.throwIfCancellationRequested(); + if (!argumentInfo) { + return undefined; } - function shouldRescanTemplateToken(container) { - return container.kind === 14 || - container.kind === 15; + var call = argumentInfo.invocation; + var candidates = []; + var resolvedSignature = typeChecker.getResolvedSignature(call, candidates); + cancellationToken.throwIfCancellationRequested(); + if (!candidates.length) { + if (ts.isSourceFileJavaScript(sourceFile)) { + return createJavaScriptSignatureHelpItems(argumentInfo, program); + } + return undefined; } - function startsWithSlashToken(t) { - return t === 40 || t === 62; + return createSignatureHelpItems(candidates, resolvedSignature, argumentInfo, typeChecker); + } + SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; + function createJavaScriptSignatureHelpItems(argumentInfo, program) { + if (argumentInfo.invocation.kind !== 175) { + return undefined; } - function readTokenInfo(n) { - ts.Debug.assert(scanner !== undefined); - if (!isOnToken()) { + var callExpression = argumentInfo.invocation; + var expression = callExpression.expression; + var name = expression.kind === 70 + ? expression + : expression.kind === 173 + ? expression.name + : undefined; + if (!name || !name.text) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { + var sourceFile = _a[_i]; + var nameToDeclarations = sourceFile.getNamedDeclarations(); + var declarations = nameToDeclarations[name.text]; + if (declarations) { + for (var _b = 0, declarations_10 = declarations; _b < declarations_10.length; _b++) { + var declaration = declarations_10[_b]; + var symbol = declaration.symbol; + if (symbol) { + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, declaration); + if (type) { + var callSignatures = type.getCallSignatures(); + if (callSignatures && callSignatures.length) { + return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo, typeChecker); + } + } + } + } + } + } + } + function getImmediatelyContainingArgumentInfo(node, position, sourceFile) { + if (node.parent.kind === 175 || node.parent.kind === 176) { + var callExpression = node.parent; + if (node.kind === 26 || + node.kind === 18) { + var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + ts.Debug.assert(list !== undefined); return { - leadingTrivia: leadingTrivia, - trailingTrivia: undefined, - token: undefined + kind: isTypeArgList ? 0 : 1, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list, sourceFile), + argumentIndex: 0, + argumentCount: getArgumentCount(list) }; } - var expectedScanAction = shouldRescanGreaterThanToken(n) - ? 1 - : shouldRescanSlashToken(n) - ? 2 - : shouldRescanTemplateToken(n) - ? 3 - : shouldRescanJsxIdentifier(n) - ? 4 - : shouldRescanJsxText(n) - ? 5 - : 0; - if (lastTokenInfo && expectedScanAction === lastScanAction) { - return fixTokenKind(lastTokenInfo, n); - } - if (scanner.getStartPos() !== savedPos) { - ts.Debug.assert(lastTokenInfo !== undefined); - scanner.setTextPos(savedPos); - scanner.scan(); - } - var currentToken = scanner.getToken(); - if (expectedScanAction === 1 && currentToken === 28) { - currentToken = scanner.reScanGreaterToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 1; - } - else if (expectedScanAction === 2 && startsWithSlashToken(currentToken)) { - currentToken = scanner.reScanSlashToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 2; - } - else if (expectedScanAction === 3 && currentToken === 17) { - currentToken = scanner.reScanTemplateToken(); - lastScanAction = 3; - } - else if (expectedScanAction === 4 && currentToken === 70) { - currentToken = scanner.scanJsxIdentifier(); - lastScanAction = 4; + var listItemInfo = ts.findListItemInfo(node); + if (listItemInfo) { + var list = listItemInfo.list; + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + var argumentIndex = getArgumentIndex(list, node); + var argumentCount = getArgumentCount(list); + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: isTypeArgList ? 0 : 1, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list, sourceFile), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; } - else if (expectedScanAction === 5) { - currentToken = scanner.reScanJsxToken(); - lastScanAction = 5; + return undefined; + } + else if (node.kind === 12 && node.parent.kind === 177) { + if (ts.isInsideTemplateLiteral(node, position)) { + return getArgumentListInfoForTemplate(node.parent, 0, sourceFile); } - else { - lastScanAction = 0; + } + else if (node.kind === 13 && node.parent.parent.kind === 177) { + var templateExpression = node.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 190); + var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; + return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); + } + else if (node.parent.kind === 198 && node.parent.parent.parent.kind === 177) { + var templateSpan = node.parent; + var templateExpression = templateSpan.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 190); + if (node.kind === 15 && !ts.isInsideTemplateLiteral(node, position)) { + return undefined; } - var token = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (trailingTrivia) { - trailingTrivia = undefined; + var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); + var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node, position); + return getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile); + } + return undefined; + } + function getArgumentIndex(argumentsList, node) { + var argumentIndex = 0; + var listChildren = argumentsList.getChildren(); + for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { + var child = listChildren_1[_i]; + if (child === node) { + break; } - while (scanner.getStartPos() < endPos) { - currentToken = scanner.scan(); - if (!ts.isTrivia(currentToken)) { - break; - } - var trivia = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (!trailingTrivia) { - trailingTrivia = []; - } - trailingTrivia.push(trivia); - if (currentToken === 4) { - scanner.scan(); - break; - } + if (child.kind !== 25) { + argumentIndex++; } - lastTokenInfo = { - leadingTrivia: leadingTrivia, - trailingTrivia: trailingTrivia, - token: token - }; - return fixTokenKind(lastTokenInfo, n); } - function isOnToken() { - ts.Debug.assert(scanner !== undefined); - var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); - var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); - return startPos < endPos && current !== 1 && !ts.isTrivia(current); + return argumentIndex; + } + function getArgumentCount(argumentsList) { + var listChildren = argumentsList.getChildren(); + var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 25; }); + if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 25) { + argumentCount++; } - function fixTokenKind(tokenInfo, container) { - if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { - tokenInfo.token.kind = container.kind; + return argumentCount; + } + function getArgumentIndexForTemplatePiece(spanIndex, node, position) { + ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); + if (ts.isTemplateLiteralKind(node.kind)) { + if (ts.isInsideTemplateLiteral(node, position)) { + return 0; } - return tokenInfo; - } - function skipToEndOf(node) { - scanner.setTextPos(node.end); - savedPos = scanner.getStartPos(); - lastScanAction = undefined; - lastTokenInfo = undefined; - wasNewLine = false; - leadingTrivia = undefined; - trailingTrivia = undefined; + return spanIndex + 2; } + return spanIndex + 1; } - formatting.getFormattingScanner = getFormattingScanner; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var FormattingContext = (function () { - function FormattingContext(sourceFile, formattingRequestKind) { - this.sourceFile = sourceFile; - this.formattingRequestKind = formattingRequestKind; - } - FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { - ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); - ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); - ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); - ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); - ts.Debug.assert(commonParent !== undefined, "commonParent is null"); - this.currentTokenSpan = currentRange; - this.currentTokenParent = currentTokenParent; - this.nextTokenSpan = nextRange; - this.nextTokenParent = nextTokenParent; - this.contextNode = commonParent; - this.contextNodeAllOnSameLine = undefined; - this.nextNodeAllOnSameLine = undefined; - this.tokensAreOnSameLine = undefined; - this.contextNodeBlockIsOnOneLine = undefined; - this.nextNodeBlockIsOnOneLine = undefined; + function getArgumentListInfoForTemplate(tagExpression, argumentIndex, sourceFile) { + var argumentCount = tagExpression.template.kind === 12 + ? 1 + : tagExpression.template.templateSpans.length + 1; + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: 2, + invocation: tagExpression, + argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression, sourceFile), + argumentIndex: argumentIndex, + argumentCount: argumentCount }; - FormattingContext.prototype.ContextNodeAllOnSameLine = function () { - if (this.contextNodeAllOnSameLine === undefined) { - this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); + } + function getApplicableSpanForArguments(argumentsList, sourceFile) { + var applicableSpanStart = argumentsList.getFullStart(); + var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), false); + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getApplicableSpanForTaggedTemplate(taggedTemplate, sourceFile) { + var template = taggedTemplate.template; + var applicableSpanStart = template.getStart(); + var applicableSpanEnd = template.getEnd(); + if (template.kind === 190) { + var lastSpan = ts.lastOrUndefined(template.templateSpans); + if (lastSpan.literal.getFullWidth() === 0) { + applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, false); } - return this.contextNodeAllOnSameLine; - }; - FormattingContext.prototype.NextNodeAllOnSameLine = function () { - if (this.nextNodeAllOnSameLine === undefined) { - this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); + } + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getContainingArgumentInfo(node, position, sourceFile) { + for (var n = node; n.kind !== 256; n = n.parent) { + if (ts.isFunctionBlock(n)) { + return undefined; } - return this.nextNodeAllOnSameLine; - }; - FormattingContext.prototype.TokensAreOnSameLine = function () { - if (this.tokensAreOnSameLine === undefined) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; - this.tokensAreOnSameLine = (startLine === endLine); + if (n.pos < n.parent.pos || n.end > n.parent.end) { + ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); } - return this.tokensAreOnSameLine; - }; - FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { - if (this.contextNodeBlockIsOnOneLine === undefined) { - this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); + var argumentInfo = getImmediatelyContainingArgumentInfo(n, position, sourceFile); + if (argumentInfo) { + return argumentInfo; } - return this.contextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { - if (this.nextNodeBlockIsOnOneLine === undefined) { - this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); + } + return undefined; + } + SignatureHelp.getContainingArgumentInfo = getContainingArgumentInfo; + function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { + var children = parent.getChildren(sourceFile); + var indexOfOpenerToken = children.indexOf(openerToken); + ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); + return children[indexOfOpenerToken + 1]; + } + function selectBestInvalidOverloadIndex(candidates, argumentCount) { + var maxParamsSignatureIndex = -1; + var maxParams = -1; + for (var i = 0; i < candidates.length; i++) { + var candidate = candidates[i]; + if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { + return i; } - return this.nextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NodeIsOnOneLine = function (node) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; - return startLine === endLine; - }; - FormattingContext.prototype.BlockIsOnOneLine = function (node) { - var openBrace = ts.findChildOfKind(node, 16, this.sourceFile); - var closeBrace = ts.findChildOfKind(node, 17, this.sourceFile); - if (openBrace && closeBrace) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; - return startLine === endLine; + if (candidate.parameters.length > maxParams) { + maxParams = candidate.parameters.length; + maxParamsSignatureIndex = i; } - return false; - }; - return FormattingContext; - }()); - formatting.FormattingContext = FormattingContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (FormattingRequestKind) { - FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument"; - FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection"; - FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter"; - FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon"; - FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 4] = "FormatOnClosingCurlyBrace"; - })(formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {})); - var FormattingRequestKind = formatting.FormattingRequestKind; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rule = (function () { - function Rule(Descriptor, Operation, Flag) { - if (Flag === void 0) { Flag = 0; } - this.Descriptor = Descriptor; - this.Operation = Operation; - this.Flag = Flag; } - Rule.prototype.toString = function () { - return "[desc=" + this.Descriptor + "," + - "operation=" + this.Operation + "," + - "flag=" + this.Flag + "]"; + return maxParamsSignatureIndex; + } + function createSignatureHelpItems(candidates, bestSignature, argumentListInfo, typeChecker) { + var applicableSpan = argumentListInfo.argumentsSpan; + var isTypeParameterList = argumentListInfo.kind === 0; + var invocation = argumentListInfo.invocation; + var callTarget = ts.getInvokedExpression(invocation); + var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); + var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, undefined, undefined); + var items = ts.map(candidates, function (candidateSignature) { + var signatureHelpParameters; + var prefixDisplayParts = []; + var suffixDisplayParts = []; + if (callTargetDisplayParts) { + ts.addRange(prefixDisplayParts, callTargetDisplayParts); + } + if (isTypeParameterList) { + prefixDisplayParts.push(ts.punctuationPart(26)); + var typeParameters = candidateSignature.typeParameters; + signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(28)); + var parameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.thisParameter, candidateSignature.parameters, writer, invocation); + }); + ts.addRange(suffixDisplayParts, parameterParts); + } + else { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); + }); + ts.addRange(prefixDisplayParts, typeParameterParts); + prefixDisplayParts.push(ts.punctuationPart(18)); + var parameters = candidateSignature.parameters; + signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(19)); + } + var returnTypeParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); + }); + ts.addRange(suffixDisplayParts, returnTypeParts); + return { + isVariadic: candidateSignature.hasRestParameter, + prefixDisplayParts: prefixDisplayParts, + suffixDisplayParts: suffixDisplayParts, + separatorDisplayParts: [ts.punctuationPart(25), ts.spacePart()], + parameters: signatureHelpParameters, + documentation: candidateSignature.getDocumentationComment() + }; + }); + var argumentIndex = argumentListInfo.argumentIndex; + var argumentCount = argumentListInfo.argumentCount; + var selectedItemIndex = candidates.indexOf(bestSignature); + if (selectedItemIndex < 0) { + selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); + } + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + items: items, + applicableSpan: applicableSpan, + selectedItemIndex: selectedItemIndex, + argumentIndex: argumentIndex, + argumentCount: argumentCount }; - return Rule; - }()); - formatting.Rule = Rule; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleAction) { - RuleAction[RuleAction["Ignore"] = 1] = "Ignore"; - RuleAction[RuleAction["Space"] = 2] = "Space"; - RuleAction[RuleAction["NewLine"] = 4] = "NewLine"; - RuleAction[RuleAction["Delete"] = 8] = "Delete"; - })(formatting.RuleAction || (formatting.RuleAction = {})); - var RuleAction = formatting.RuleAction; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleDescriptor = (function () { - function RuleDescriptor(LeftTokenRange, RightTokenRange) { - this.LeftTokenRange = LeftTokenRange; - this.RightTokenRange = RightTokenRange; + function createSignatureHelpParameterForParameter(parameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); + }); + return { + name: parameter.name, + documentation: parameter.getDocumentationComment(), + displayParts: displayParts, + isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) + }; } - RuleDescriptor.prototype.toString = function () { - return "[leftRange=" + this.LeftTokenRange + "," + - "rightRange=" + this.RightTokenRange + "]"; - }; - RuleDescriptor.create1 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create2 = function (left, right) { - return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create3 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); - }; - RuleDescriptor.create4 = function (left, right) { - return new RuleDescriptor(left, right); - }; - return RuleDescriptor; - }()); - formatting.RuleDescriptor = RuleDescriptor; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleFlags) { - RuleFlags[RuleFlags["None"] = 0] = "None"; - RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines"; - })(formatting.RuleFlags || (formatting.RuleFlags = {})); - var RuleFlags = formatting.RuleFlags; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperation = (function () { - function RuleOperation(Context, Action) { - this.Context = Context; - this.Action = Action; + function createSignatureHelpParameterForTypeParameter(typeParameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); + }); + return { + name: typeParameter.symbol.name, + documentation: emptyArray, + displayParts: displayParts, + isOptional: false + }; } - RuleOperation.prototype.toString = function () { - return "[context=" + this.Context + "," + - "action=" + this.Action + "]"; - }; - RuleOperation.create1 = function (action) { - return RuleOperation.create2(formatting.RuleOperationContext.Any, action); - }; - RuleOperation.create2 = function (context, action) { - return new RuleOperation(context, action); - }; - return RuleOperation; - }()); - formatting.RuleOperation = RuleOperation; - })(formatting = ts.formatting || (ts.formatting = {})); + } + })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); })(ts || (ts = {})); var ts; (function (ts) { - var formatting; - (function (formatting) { - var RuleOperationContext = (function () { - function RuleOperationContext() { - var funcs = []; - for (var _i = 0; _i < arguments.length; _i++) { - funcs[_i - 0] = arguments[_i]; - } - this.customContextChecks = funcs; + var SymbolDisplay; + (function (SymbolDisplay) { + function getSymbolKind(typeChecker, symbol, location) { + var flags = symbol.getFlags(); + if (flags & 32) + return ts.getDeclarationOfKind(symbol, 193) ? + ts.ScriptElementKind.localClassElement : ts.ScriptElementKind.classElement; + if (flags & 384) + return ts.ScriptElementKind.enumElement; + if (flags & 524288) + return ts.ScriptElementKind.typeElement; + if (flags & 64) + return ts.ScriptElementKind.interfaceElement; + if (flags & 262144) + return ts.ScriptElementKind.typeParameterElement; + var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location); + if (result === ts.ScriptElementKind.unknown) { + if (flags & 262144) + return ts.ScriptElementKind.typeParameterElement; + if (flags & 8) + return ts.ScriptElementKind.variableElement; + if (flags & 8388608) + return ts.ScriptElementKind.alias; + if (flags & 1536) + return ts.ScriptElementKind.moduleElement; } - RuleOperationContext.prototype.IsAny = function () { - return this === RuleOperationContext.Any; - }; - RuleOperationContext.prototype.InContext = function (context) { - if (this.IsAny()) { - return true; + return result; + } + SymbolDisplay.getSymbolKind = getSymbolKind; + function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, flags, location) { + if (typeChecker.isUndefinedSymbol(symbol)) { + return ts.ScriptElementKind.variableElement; + } + if (typeChecker.isArgumentsSymbol(symbol)) { + return ts.ScriptElementKind.localVariableElement; + } + if (location.kind === 98 && ts.isExpression(location)) { + return ts.ScriptElementKind.parameterElement; + } + if (flags & 3) { + if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { + return ts.ScriptElementKind.parameterElement; } - for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { - var check = _a[_i]; - if (!check(context)) { - return false; + else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { + return ts.ScriptElementKind.constElement; + } + else if (ts.forEach(symbol.declarations, ts.isLet)) { + return ts.ScriptElementKind.letElement; + } + return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localVariableElement : ts.ScriptElementKind.variableElement; + } + if (flags & 16) + return isLocalVariableOrFunction(symbol) ? ts.ScriptElementKind.localFunctionElement : ts.ScriptElementKind.functionElement; + if (flags & 32768) + return ts.ScriptElementKind.memberGetAccessorElement; + if (flags & 65536) + return ts.ScriptElementKind.memberSetAccessorElement; + if (flags & 8192) + return ts.ScriptElementKind.memberFunctionElement; + if (flags & 16384) + return ts.ScriptElementKind.constructorImplementationElement; + if (flags & 4) { + if (flags & 268435456) { + var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + var rootSymbolFlags = rootSymbol.getFlags(); + if (rootSymbolFlags & (98308 | 3)) { + return ts.ScriptElementKind.memberVariableElement; + } + ts.Debug.assert(!!(rootSymbolFlags & 8192)); + }); + if (!unionPropertyKind) { + var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (typeOfUnionProperty.getCallSignatures().length) { + return ts.ScriptElementKind.memberFunctionElement; + } + return ts.ScriptElementKind.memberVariableElement; + } + return unionPropertyKind; + } + return ts.ScriptElementKind.memberVariableElement; + } + return ts.ScriptElementKind.unknown; + } + function getSymbolModifiers(symbol) { + return symbol && symbol.declarations && symbol.declarations.length > 0 + ? ts.getNodeModifiers(symbol.declarations[0]) + : ts.ScriptElementKindModifier.none; + } + SymbolDisplay.getSymbolModifiers = getSymbolModifiers; + function getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { + if (semanticMeaning === void 0) { semanticMeaning = ts.getMeaningFromLocation(location); } + var displayParts = []; + var documentation; + var symbolFlags = symbol.flags; + var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(typeChecker, symbol, symbolFlags, location); + var hasAddedSymbolInfo; + var isThisExpression = location.kind === 98 && ts.isExpression(location); + var type; + if (symbolKind !== ts.ScriptElementKind.unknown || symbolFlags & 32 || symbolFlags & 8388608) { + if (symbolKind === ts.ScriptElementKind.memberGetAccessorElement || symbolKind === ts.ScriptElementKind.memberSetAccessorElement) { + symbolKind = ts.ScriptElementKind.memberVariableElement; + } + var signature = void 0; + type = isThisExpression ? typeChecker.getTypeAtLocation(location) : typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (type) { + if (location.parent && location.parent.kind === 173) { + var right = location.parent.name; + if (right === location || (right && right.getFullWidth() === 0)) { + location = location.parent; + } + } + var callExpression = void 0; + if (location.kind === 175 || location.kind === 176) { + callExpression = location; + } + else if (ts.isCallExpressionTarget(location) || ts.isNewExpressionTarget(location)) { + callExpression = location.parent; + } + if (callExpression) { + var candidateSignatures = []; + signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); + if (!signature && candidateSignatures.length) { + signature = candidateSignatures[0]; + } + var useConstructSignatures = callExpression.kind === 176 || callExpression.expression.kind === 96; + var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); + if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { + signature = allSignatures.length ? allSignatures[0] : undefined; + } + if (signature) { + if (useConstructSignatures && (symbolFlags & 32)) { + symbolKind = ts.ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else if (symbolFlags & 8388608) { + symbolKind = ts.ScriptElementKind.alias; + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(93)); + displayParts.push(ts.spacePart()); + } + addFullSymbolName(symbol); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + switch (symbolKind) { + case ts.ScriptElementKind.memberVariableElement: + case ts.ScriptElementKind.variableElement: + case ts.ScriptElementKind.constElement: + case ts.ScriptElementKind.letElement: + case ts.ScriptElementKind.parameterElement: + case ts.ScriptElementKind.localVariableElement: + displayParts.push(ts.punctuationPart(55)); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(93)); + displayParts.push(ts.spacePart()); + } + if (!(type.flags & 32768 && type.objectFlags & 16) && type.symbol) { + ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, undefined, 1)); + } + addSignatureDisplayParts(signature, allSignatures, 8); + break; + default: + addSignatureDisplayParts(signature, allSignatures); + } + hasAddedSymbolInfo = true; + } + } + else if ((ts.isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304)) || + (location.kind === 122 && location.parent.kind === 149)) { + var functionDeclaration = location.parent; + var allSignatures = functionDeclaration.kind === 149 ? type.getNonNullableType().getConstructSignatures() : type.getNonNullableType().getCallSignatures(); + if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { + signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); + } + else { + signature = allSignatures[0]; + } + if (functionDeclaration.kind === 149) { + symbolKind = ts.ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else { + addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 152 && + !(type.symbol.flags & 2048 || type.symbol.flags & 4096) ? type.symbol : symbol, symbolKind); + } + addSignatureDisplayParts(signature, allSignatures); + hasAddedSymbolInfo = true; } } - return true; - }; - return RuleOperationContext; - }()); - RuleOperationContext.Any = new RuleOperationContext(); - formatting.RuleOperationContext = RuleOperationContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rules = (function () { - function Rules() { - this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1)); - this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1)); - this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(55, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 2)); - this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsConditionalOperatorContext), 2)); - this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2)); - this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(17, 81), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(17, 105), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.FromTokens([19, 21, 25, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 22), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(22, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(21, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8)); - this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; - this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([70, 3, 74, 83, 90]); - this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([19, 3, 80, 101, 86, 81]); - this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); - this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); - this.NoSpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); - this.NoSpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); - this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectContext), 8)); - this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); - this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); - this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(43, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(42, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(36, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(36, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(43, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(37, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(37, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([103, 99, 93, 79, 95, 102, 120]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([109, 75]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2)); - this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8)); - this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(88, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionDeclContext), 8)); - this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(104, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsVoidOpContext), 2)); - this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(95, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([19, 80, 81, 72]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNotForContext), 2)); - this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([101, 86]), 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([124, 132]), 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(122, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([126, 130]), 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([116, 74, 123, 78, 82, 83, 84, 124, 107, 90, 108, 126, 127, 111, 113, 112, 132, 114, 135, 137]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([84, 107, 137])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2)); - this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(35, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(23, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.FromTokens([19, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(19, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(26, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.FromTokens([18, 20, 28, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectTypeContext), 8)); - this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 56), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(56, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([116, 70, 83, 78, 74, 114, 113, 111, 112, 124, 132, 20, 38])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2)); - this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(88, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8)); - this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(38, formatting.Shared.TokenRange.FromTokens([70, 18])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2)); - this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(115, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8)); - this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115, 38]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2)); - this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(119, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(119, 88), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(70, formatting.Shared.TokenRange.FromTokens([12, 13])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceBeforeJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNextTokenParentJsxAttribute, Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeSlashInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 40), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create1(40, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 57), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create3(57, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); - this.HighPriorityCommonRules = [ - this.IgnoreBeforeComment, this.IgnoreAfterLineComment, - this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, - this.NoSpaceAfterQuestionMark, - this.NoSpaceBeforeDot, this.NoSpaceAfterDot, - this.NoSpaceAfterUnaryPrefixOperator, - this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, - this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, - this.SpaceAfterPostincrementWhenFollowedByAdd, - this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, - this.SpaceAfterPostdecrementWhenFollowedBySubtract, - this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, - this.NoSpaceAfterCloseBrace, - this.NewLineBeforeCloseBraceInBlockContext, - this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, - this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, - this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, - this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, - this.NoSpaceBetweenReturnAndSemicolon, - this.SpaceAfterCertainKeywords, - this.SpaceAfterLetConstInVariableDeclaration, - this.NoSpaceBeforeOpenParenInFuncCall, - this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, - this.SpaceAfterVoidOperator, - this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, - this.NoSpaceBetweenTagAndTemplateString, - this.SpaceBeforeJsxAttribute, this.SpaceBeforeSlashInJsxOpeningElement, this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement, - this.NoSpaceBeforeEqualInJsxAttribute, this.NoSpaceAfterEqualInJsxAttribute, - this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, - this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, - this.SpaceAfterModuleName, - this.SpaceBeforeArrow, this.SpaceAfterArrow, - this.NoSpaceAfterEllipsis, - this.NoSpaceAfterOptionalParameters, - this.NoSpaceBetweenEmptyInterfaceBraceBrackets, - this.NoSpaceBeforeOpenAngularBracket, - this.NoSpaceBetweenCloseParenAndAngularBracket, - this.NoSpaceAfterOpenAngularBracket, - this.NoSpaceBeforeCloseAngularBracket, - this.NoSpaceAfterCloseAngularBracket, - this.SpaceBeforeAt, - this.NoSpaceAfterAt, - this.SpaceAfterDecorator, - ]; - this.LowPriorityCommonRules = [ - this.NoSpaceBeforeSemicolon, - this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, - this.NoSpaceBeforeComma, - this.NoSpaceBeforeOpenBracket, - this.NoSpaceAfterCloseBracket, - this.SpaceAfterSemicolon, - this.NoSpaceBeforeOpenParenInFuncDecl, - this.SpaceBetweenStatements, this.SpaceAfterTryFinally - ]; - this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNextTokenNotCloseBracket), 2)); - this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext), 8)); - this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); - this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); - this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2)); - this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8)); - this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 2)); - this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 8)); - this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(18, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(20, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); - this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); - this.NoSpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); - this.SpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); - this.NoSpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); - this.SpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); - this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8)); - this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 8)); - this.SpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 2)); } - Rules.prototype.getRuleName = function (rule) { - var o = this; - for (var name_51 in o) { - if (o[name_51] === rule) { - return name_51; + if (symbolFlags & 32 && !hasAddedSymbolInfo && !isThisExpression) { + if (ts.getDeclarationOfKind(symbol, 193)) { + pushTypePart(ts.ScriptElementKind.localClassElement); + } + else { + displayParts.push(ts.keywordPart(74)); + } + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if ((symbolFlags & 64) && (semanticMeaning & 2)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(108)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if (symbolFlags & 524288) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(135)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration, 512)); + } + if (symbolFlags & 384) { + addNewLineIfDisplayPartsExist(); + if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { + displayParts.push(ts.keywordPart(75)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(82)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if (symbolFlags & 1536) { + addNewLineIfDisplayPartsExist(); + var declaration = ts.getDeclarationOfKind(symbol, 226); + var isNamespace = declaration && declaration.name && declaration.name.kind === 70; + displayParts.push(ts.keywordPart(isNamespace ? 127 : 126)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if ((symbolFlags & 262144) && (semanticMeaning & 2)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.textPart("type parameter")); + displayParts.push(ts.punctuationPart(19)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(91)); + displayParts.push(ts.spacePart()); + if (symbol.parent) { + addFullSymbolName(symbol.parent, enclosingDeclaration); + writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + else { + var declaration = ts.getDeclarationOfKind(symbol, 142); + ts.Debug.assert(declaration !== undefined); + declaration = declaration.parent; + if (declaration) { + if (ts.isFunctionLikeKind(declaration.kind)) { + var signature = typeChecker.getSignatureFromDeclaration(declaration); + if (declaration.kind === 153) { + displayParts.push(ts.keywordPart(93)); + displayParts.push(ts.spacePart()); + } + else if (declaration.kind !== 152 && declaration.name) { + addFullSymbolName(declaration.symbol); + } + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32)); + } + else { + displayParts.push(ts.keywordPart(135)); + displayParts.push(ts.spacePart()); + addFullSymbolName(declaration.symbol); + writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + } } } - throw new Error("Unknown rule"); - }; - Rules.IsForContext = function (context) { - return context.contextNode.kind === 207; - }; - Rules.IsNotForContext = function (context) { - return !Rules.IsForContext(context); - }; - Rules.IsBinaryOpContext = function (context) { - switch (context.contextNode.kind) { - case 188: - case 189: - case 196: - case 239: - case 235: - case 155: - case 163: - case 164: - return true; - case 170: - case 224: - case 230: - case 219: - case 143: - case 255: - case 146: - case 145: - return context.currentTokenSpan.kind === 57 || context.nextTokenSpan.kind === 57; - case 208: - return context.currentTokenSpan.kind === 91 || context.nextTokenSpan.kind === 91; - case 209: - return context.currentTokenSpan.kind === 139 || context.nextTokenSpan.kind === 139; + } + if (symbolFlags & 8) { + addPrefixForAnyFunctionOrVar(symbol, "enum member"); + var declaration = symbol.declarations[0]; + if (declaration.kind === 255) { + var constantValue = typeChecker.getConstantValue(declaration); + if (constantValue !== undefined) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.displayPart(constantValue.toString(), ts.SymbolDisplayPartKind.numericLiteral)); + } } - return false; - }; - Rules.IsNotBinaryOpContext = function (context) { - return !Rules.IsBinaryOpContext(context); - }; - Rules.IsConditionalOperatorContext = function (context) { - return context.contextNode.kind === 189; - }; - Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { - return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); - }; - Rules.IsBeforeMultilineBlockContext = function (context) { - return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); - }; - Rules.IsMultilineBlockContext = function (context) { - return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsSingleLineBlockContext = function (context) { - return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.contextNode); - }; - Rules.IsBeforeBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.nextTokenParent); - }; - Rules.NodeIsBlockContext = function (node) { - if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { - return true; + } + if (symbolFlags & 8388608) { + addNewLineIfDisplayPartsExist(); + if (symbol.declarations[0].kind === 229) { + displayParts.push(ts.keywordPart(83)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(127)); } - switch (node.kind) { - case 200: - case 228: - case 172: - case 227: - return true; + else { + displayParts.push(ts.keywordPart(90)); } - return false; - }; - Rules.IsFunctionDeclContext = function (context) { - switch (context.contextNode.kind) { - case 221: - case 148: - case 147: - case 150: - case 151: - case 152: - case 180: - case 149: - case 181: - case 223: + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 230) { + var importEqualsDeclaration = declaration; + if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(130)); + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), ts.SymbolDisplayPartKind.stringLiteral)); + displayParts.push(ts.punctuationPart(19)); + } + else { + var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); + if (internalAliasSymbol) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(57)); + displayParts.push(ts.spacePart()); + addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + } + } return true; + } + }); + } + if (!hasAddedSymbolInfo) { + if (symbolKind !== ts.ScriptElementKind.unknown) { + if (type) { + if (isThisExpression) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(98)); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + if (symbolKind === ts.ScriptElementKind.memberVariableElement || + symbolFlags & 3 || + symbolKind === ts.ScriptElementKind.localVariableElement || + isThisExpression) { + displayParts.push(ts.punctuationPart(55)); + displayParts.push(ts.spacePart()); + if (type.symbol && type.symbol.flags & 262144) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + else { + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + } + else if (symbolFlags & 16 || + symbolFlags & 8192 || + symbolFlags & 16384 || + symbolFlags & 131072 || + symbolFlags & 98304 || + symbolKind === ts.ScriptElementKind.memberFunctionElement) { + var allSignatures = type.getNonNullableType().getCallSignatures(); + addSignatureDisplayParts(allSignatures[0], allSignatures); + } + } } - return false; - }; - Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { - return context.contextNode.kind === 221 || context.contextNode.kind === 180; - }; - Rules.IsTypeScriptDeclWithBlockContext = function (context) { - return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); - }; - Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { - switch (node.kind) { - case 222: - case 193: - case 223: - case 225: - case 160: - case 226: - case 237: - case 238: - case 231: - case 234: - return true; + else { + symbolKind = getSymbolKind(typeChecker, symbol, location); } - return false; - }; - Rules.IsAfterCodeBlockContext = function (context) { - switch (context.currentTokenParent.kind) { - case 222: - case 226: - case 225: - case 200: - case 252: - case 227: - case 214: - return true; + } + if (!documentation) { + documentation = symbol.getDocumentationComment(); + if (documentation.length === 0 && symbol.flags & 4) { + if (symbol.parent && ts.forEach(symbol.parent.declarations, function (declaration) { return declaration.kind === 256; })) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (!declaration.parent || declaration.parent.kind !== 188) { + continue; + } + var rhsSymbol = typeChecker.getSymbolAtLocation(declaration.parent.right); + if (!rhsSymbol) { + continue; + } + documentation = rhsSymbol.getDocumentationComment(); + if (documentation.length > 0) { + break; + } + } + } } - return false; - }; - Rules.IsControlDeclContext = function (context) { - switch (context.contextNode.kind) { - case 204: - case 214: - case 207: - case 208: - case 209: - case 206: - case 217: - case 205: - case 213: - case 252: - return true; + } + return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; + function addNewLineIfDisplayPartsExist() { + if (displayParts.length) { + displayParts.push(ts.lineBreakPart()); + } + } + function addFullSymbolName(symbol, enclosingDeclaration) { + var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, undefined, 1 | 2); + ts.addRange(displayParts, fullSymbolDisplayParts); + } + function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { + addNewLineIfDisplayPartsExist(); + if (symbolKind) { + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + } + function pushTypePart(symbolKind) { + switch (symbolKind) { + case ts.ScriptElementKind.variableElement: + case ts.ScriptElementKind.functionElement: + case ts.ScriptElementKind.letElement: + case ts.ScriptElementKind.constElement: + case ts.ScriptElementKind.constructorImplementationElement: + displayParts.push(ts.textOrKeywordPart(symbolKind)); + return; default: - return false; + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.textOrKeywordPart(symbolKind)); + displayParts.push(ts.punctuationPart(19)); + return; } - }; - Rules.IsObjectContext = function (context) { - return context.contextNode.kind === 172; - }; - Rules.IsFunctionCallContext = function (context) { - return context.contextNode.kind === 175; - }; - Rules.IsNewContext = function (context) { - return context.contextNode.kind === 176; - }; - Rules.IsFunctionCallOrNewContext = function (context) { - return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); - }; - Rules.IsPreviousTokenNotComma = function (context) { - return context.currentTokenSpan.kind !== 25; - }; - Rules.IsNextTokenNotCloseBracket = function (context) { - return context.nextTokenSpan.kind !== 21; - }; - Rules.IsArrowFunctionContext = function (context) { - return context.contextNode.kind === 181; - }; - Rules.IsNonJsxSameLineTokenContext = function (context) { - return context.TokensAreOnSameLine() && context.contextNode.kind !== 10; - }; - Rules.IsNonJsxElementContext = function (context) { - return context.contextNode.kind !== 242; - }; - Rules.IsJsxExpressionContext = function (context) { - return context.contextNode.kind === 248; - }; - Rules.IsNextTokenParentJsxAttribute = function (context) { - return context.nextTokenParent.kind === 246; - }; - Rules.IsJsxAttributeContext = function (context) { - return context.contextNode.kind === 246; - }; - Rules.IsJsxSelfClosingElementContext = function (context) { - return context.contextNode.kind === 243; - }; - Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { - return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); - }; - Rules.IsEndOfDecoratorContextOnSameLine = function (context) { - return context.TokensAreOnSameLine() && - context.contextNode.decorators && - Rules.NodeIsInDecoratorContext(context.currentTokenParent) && - !Rules.NodeIsInDecoratorContext(context.nextTokenParent); - }; - Rules.NodeIsInDecoratorContext = function (node) { - while (ts.isPartOfExpression(node)) { - node = node.parent; + } + function addSignatureDisplayParts(signature, allSignatures, flags) { + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32)); + if (allSignatures.length > 1) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.operatorPart(36)); + displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), ts.SymbolDisplayPartKind.numericLiteral)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); + displayParts.push(ts.punctuationPart(19)); } - return node.kind === 144; - }; - Rules.IsStartOfVariableDeclarationList = function (context) { - return context.currentTokenParent.kind === 220 && - context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; - }; - Rules.IsNotFormatOnEnter = function (context) { - return context.formattingRequestKind !== 2; - }; - Rules.IsModuleDeclContext = function (context) { - return context.contextNode.kind === 226; - }; - Rules.IsObjectTypeContext = function (context) { - return context.contextNode.kind === 160; - }; - Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { - if (token.kind !== 26 && token.kind !== 28) { + documentation = signature.getDocumentationComment(); + } + function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + } + SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind = getSymbolDisplayPartsDocumentationAndSymbolKind; + function isLocalVariableOrFunction(symbol) { + if (symbol.parent) { + return false; + } + return ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 180) { + return true; + } + if (declaration.kind !== 219 && declaration.kind !== 221) { return false; } - switch (parent.kind) { - case 156: - case 178: - case 222: - case 193: - case 223: - case 221: - case 180: - case 181: - case 148: - case 147: - case 152: - case 153: - case 175: - case 176: - case 195: - return true; - default: - return false; + for (var parent_23 = declaration.parent; !ts.isFunctionBlock(parent_23); parent_23 = parent_23.parent) { + if (parent_23.kind === 256 || parent_23.kind === 227) { + return false; + } + } + return true; + }); + } + })(SymbolDisplay = ts.SymbolDisplay || (ts.SymbolDisplay = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function transpileModule(input, transpileOptions) { + var diagnostics = []; + var options = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : ts.getDefaultCompilerOptions(); + options.isolatedModules = true; + options.suppressOutputPathCheck = true; + options.allowNonTsExtensions = true; + options.noLib = true; + options.lib = undefined; + options.types = undefined; + options.noEmit = undefined; + options.noEmitOnError = undefined; + options.paths = undefined; + options.rootDirs = undefined; + options.declaration = undefined; + options.declarationDir = undefined; + options.out = undefined; + options.outFile = undefined; + options.noResolve = true; + var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); + var sourceFile = ts.createSourceFile(inputFileName, input, options.target); + if (transpileOptions.moduleName) { + sourceFile.moduleName = transpileOptions.moduleName; + } + if (transpileOptions.renamedDependencies) { + sourceFile.renamedDependencies = ts.createMap(transpileOptions.renamedDependencies); + } + var newLine = ts.getNewLineCharacter(options); + var outputText; + var sourceMapText; + var compilerHost = { + getSourceFile: function (fileName) { return fileName === ts.normalizePath(inputFileName) ? sourceFile : undefined; }, + writeFile: function (name, text) { + if (ts.fileExtensionIs(name, ".map")) { + ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); + sourceMapText = text; + } + else { + ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); + outputText = text; } - }; - Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { - return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || - Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); - }; - Rules.IsTypeAssertionContext = function (context) { - return context.contextNode.kind === 178; - }; - Rules.IsVoidOpContext = function (context) { - return context.currentTokenSpan.kind === 104 && context.currentTokenParent.kind === 184; - }; - Rules.IsYieldOrYieldStarWithOperand = function (context) { - return context.contextNode.kind === 191 && context.contextNode.expression !== undefined; - }; - return Rules; - }()); - formatting.Rules = Rules; - })(formatting = ts.formatting || (ts.formatting = {})); + }, + getDefaultLibFileName: function () { return "lib.d.ts"; }, + useCaseSensitiveFileNames: function () { return false; }, + getCanonicalFileName: function (fileName) { return fileName; }, + getCurrentDirectory: function () { return ""; }, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return fileName === inputFileName; }, + readFile: function () { return ""; }, + directoryExists: function () { return true; }, + getDirectories: function () { return []; } + }; + var program = ts.createProgram([inputFileName], options, compilerHost); + if (transpileOptions.reportDiagnostics) { + ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile)); + ts.addRange(diagnostics, program.getOptionsDiagnostics()); + } + program.emit(); + ts.Debug.assert(outputText !== undefined, "Output generation failed"); + return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; + } + ts.transpileModule = transpileModule; + function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { + var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); + ts.addRange(diagnostics, output.diagnostics); + return output.outputText; + } + ts.transpile = transpile; + var commandLineOptionsStringToEnum; + function fixupCompilerOptions(options, diagnostics) { + commandLineOptionsStringToEnum = commandLineOptionsStringToEnum || ts.filter(ts.optionDeclarations, function (o) { + return typeof o.type === "object" && !ts.forEachProperty(o.type, function (v) { return typeof v !== "number"; }); + }); + options = ts.clone(options); + var _loop_3 = function (opt) { + if (!ts.hasProperty(options, opt.name)) { + return "continue"; + } + var value = options[opt.name]; + if (typeof value === "string") { + options[opt.name] = ts.parseCustomTypeOption(opt, value, diagnostics); + } + else { + if (!ts.forEachProperty(opt.type, function (v) { return v === value; })) { + diagnostics.push(ts.createCompilerDiagnosticForInvalidCustomType(opt)); + } + } + }; + for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) { + var opt = commandLineOptionsStringToEnum_1[_i]; + _loop_3(opt); + } + return options; + } })(ts || (ts = {})); var ts; (function (ts) { var formatting; (function (formatting) { - var RulesMap = (function () { - function RulesMap() { - this.map = []; - this.mapRowLength = 0; - } - RulesMap.create = function (rules) { - var result = new RulesMap(); - result.Initialize(rules); - return result; - }; - RulesMap.prototype.Initialize = function (rules) { - this.mapRowLength = 139 + 1; - this.map = new Array(this.mapRowLength * this.mapRowLength); - var rulesBucketConstructionStateList = new Array(this.map.length); - this.FillRules(rules, rulesBucketConstructionStateList); - return this.map; - }; - RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { - var _this = this; - rules.forEach(function (rule) { - _this.FillRule(rule, rulesBucketConstructionStateList); - }); - }; - RulesMap.prototype.GetRuleBucketIndex = function (row, column) { - ts.Debug.assert(row <= 139 && column <= 139, "Must compute formatting context from tokens"); - var rulesBucketIndex = (row * this.mapRowLength) + column; - return rulesBucketIndex; - }; - RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { - var _this = this; - var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && - rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; - rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { - rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { - var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); - var rulesBucket = _this.map[rulesBucketIndex]; - if (rulesBucket === undefined) { - rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); - } - rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); - }); - }); + var standardScanner = ts.createScanner(4, false, 0); + var jsxScanner = ts.createScanner(4, false, 1); + var scanner; + function getFormattingScanner(sourceFile, startPos, endPos) { + ts.Debug.assert(scanner === undefined, "Scanner should be undefined"); + scanner = sourceFile.languageVariant === 1 ? jsxScanner : standardScanner; + scanner.setText(sourceFile.text); + scanner.setTextPos(startPos); + var wasNewLine = true; + var leadingTrivia; + var trailingTrivia; + var savedPos; + var lastScanAction; + var lastTokenInfo; + return { + advance: advance, + readTokenInfo: readTokenInfo, + isOnToken: isOnToken, + getCurrentLeadingTrivia: function () { return leadingTrivia; }, + lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, + skipToEndOf: skipToEndOf, + close: function () { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + scanner.setText(undefined); + scanner = undefined; + } }; - RulesMap.prototype.GetRule = function (context) { - var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); - var bucket = this.map[bucketIndex]; - if (bucket) { - for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { - var rule = _a[_i]; - if (rule.Operation.Context.InContext(context)) { - return rule; - } + function advance() { + ts.Debug.assert(scanner !== undefined, "Scanner should be present"); + lastTokenInfo = undefined; + var isStarted = scanner.getStartPos() !== startPos; + if (isStarted) { + if (trailingTrivia) { + ts.Debug.assert(trailingTrivia.length !== 0); + wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4; + } + else { + wasNewLine = false; } } - return undefined; - }; - return RulesMap; - }()); - formatting.RulesMap = RulesMap; - var MaskBitSize = 5; - var Mask = 0x1f; - (function (RulesPosition) { - RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; - RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; - RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; - RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; - RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; - RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; - })(formatting.RulesPosition || (formatting.RulesPosition = {})); - var RulesPosition = formatting.RulesPosition; - var RulesBucketConstructionState = (function () { - function RulesBucketConstructionState() { - this.rulesInsertionIndexBitmap = 0; + leadingTrivia = undefined; + trailingTrivia = undefined; + if (!isStarted) { + scanner.scan(); + } + var pos = scanner.getStartPos(); + while (pos < endPos) { + var t = scanner.getToken(); + if (!ts.isTrivia(t)) { + break; + } + scanner.scan(); + var item = { + pos: pos, + end: scanner.getStartPos(), + kind: t + }; + pos = scanner.getStartPos(); + if (!leadingTrivia) { + leadingTrivia = []; + } + leadingTrivia.push(item); + } + savedPos = scanner.getStartPos(); } - RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { - var index = 0; - var pos = 0; - var indexBitmap = this.rulesInsertionIndexBitmap; - while (pos <= maskPosition) { - index += (indexBitmap & Mask); - indexBitmap >>= MaskBitSize; - pos += MaskBitSize; + function shouldRescanGreaterThanToken(node) { + if (node) { + switch (node.kind) { + case 30: + case 65: + case 66: + case 46: + case 45: + return true; + } } - return index; - }; - RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { - var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; - value++; - ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); - var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); - temp |= value << maskPosition; - this.rulesInsertionIndexBitmap = temp; - }; - return RulesBucketConstructionState; - }()); - formatting.RulesBucketConstructionState = RulesBucketConstructionState; - var RulesBucket = (function () { - function RulesBucket() { - this.rules = []; + return false; } - RulesBucket.prototype.Rules = function () { - return this.rules; - }; - RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { - var position; - if (rule.Operation.Action === 1) { - position = specificTokens ? - RulesPosition.IgnoreRulesSpecific : - RulesPosition.IgnoreRulesAny; + function shouldRescanJsxIdentifier(node) { + if (node.parent) { + switch (node.parent.kind) { + case 246: + case 244: + case 245: + case 243: + return node.kind === 70; + } } - else if (!rule.Operation.Context.IsAny()) { - position = specificTokens ? - RulesPosition.ContextRulesSpecific : - RulesPosition.ContextRulesAny; + return false; + } + function shouldRescanJsxText(node) { + return node && node.kind === 10; + } + function shouldRescanSlashToken(container) { + return container.kind === 11; + } + function shouldRescanTemplateToken(container) { + return container.kind === 14 || + container.kind === 15; + } + function startsWithSlashToken(t) { + return t === 40 || t === 62; + } + function readTokenInfo(n) { + ts.Debug.assert(scanner !== undefined); + if (!isOnToken()) { + return { + leadingTrivia: leadingTrivia, + trailingTrivia: undefined, + token: undefined + }; } - else { - position = specificTokens ? - RulesPosition.NoContextRulesSpecific : - RulesPosition.NoContextRulesAny; + var expectedScanAction = shouldRescanGreaterThanToken(n) + ? 1 + : shouldRescanSlashToken(n) + ? 2 + : shouldRescanTemplateToken(n) + ? 3 + : shouldRescanJsxIdentifier(n) + ? 4 + : shouldRescanJsxText(n) + ? 5 + : 0; + if (lastTokenInfo && expectedScanAction === lastScanAction) { + return fixTokenKind(lastTokenInfo, n); } - var state = constructionState[rulesBucketIndex]; - if (state === undefined) { - state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); + if (scanner.getStartPos() !== savedPos) { + ts.Debug.assert(lastTokenInfo !== undefined); + scanner.setTextPos(savedPos); + scanner.scan(); } - var index = state.GetInsertionIndex(position); - this.rules.splice(index, 0, rule); - state.IncreaseInsertionIndex(position); - }; - return RulesBucket; - }()); - formatting.RulesBucket = RulesBucket; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Shared; - (function (Shared) { - var TokenRangeAccess = (function () { - function TokenRangeAccess(from, to, except) { - this.tokens = []; - for (var token = from; token <= to; token++) { - if (ts.indexOf(except, token) < 0) { - this.tokens.push(token); - } - } + var currentToken = scanner.getToken(); + if (expectedScanAction === 1 && currentToken === 28) { + currentToken = scanner.reScanGreaterToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 1; } - TokenRangeAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenRangeAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenRangeAccess; - }()); - Shared.TokenRangeAccess = TokenRangeAccess; - var TokenValuesAccess = (function () { - function TokenValuesAccess(tks) { - this.tokens = tks && tks.length ? tks : []; + else if (expectedScanAction === 2 && startsWithSlashToken(currentToken)) { + currentToken = scanner.reScanSlashToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 2; } - TokenValuesAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenValuesAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenValuesAccess; - }()); - Shared.TokenValuesAccess = TokenValuesAccess; - var TokenSingleValueAccess = (function () { - function TokenSingleValueAccess(token) { - this.token = token; + else if (expectedScanAction === 3 && currentToken === 17) { + currentToken = scanner.reScanTemplateToken(); + lastScanAction = 3; } - TokenSingleValueAccess.prototype.GetTokens = function () { - return [this.token]; - }; - TokenSingleValueAccess.prototype.Contains = function (tokenValue) { - return tokenValue === this.token; + else if (expectedScanAction === 4 && currentToken === 70) { + currentToken = scanner.scanJsxIdentifier(); + lastScanAction = 4; + } + else if (expectedScanAction === 5) { + currentToken = scanner.reScanJsxToken(); + lastScanAction = 5; + } + else { + lastScanAction = 0; + } + var token = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken }; - return TokenSingleValueAccess; - }()); - Shared.TokenSingleValueAccess = TokenSingleValueAccess; - var TokenAllAccess = (function () { - function TokenAllAccess() { + if (trailingTrivia) { + trailingTrivia = undefined; } - TokenAllAccess.prototype.GetTokens = function () { - var result = []; - for (var token = 0; token <= 139; token++) { - result.push(token); + while (scanner.getStartPos() < endPos) { + currentToken = scanner.scan(); + if (!ts.isTrivia(currentToken)) { + break; + } + var trivia = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + if (!trailingTrivia) { + trailingTrivia = []; + } + trailingTrivia.push(trivia); + if (currentToken === 4) { + scanner.scan(); + break; } - return result; - }; - TokenAllAccess.prototype.Contains = function () { - return true; - }; - TokenAllAccess.prototype.toString = function () { - return "[allTokens]"; - }; - return TokenAllAccess; - }()); - Shared.TokenAllAccess = TokenAllAccess; - var TokenRange = (function () { - function TokenRange(tokenAccess) { - this.tokenAccess = tokenAccess; } - TokenRange.FromToken = function (token) { - return new TokenRange(new TokenSingleValueAccess(token)); - }; - TokenRange.FromTokens = function (tokens) { - return new TokenRange(new TokenValuesAccess(tokens)); - }; - TokenRange.FromRange = function (f, to, except) { - if (except === void 0) { except = []; } - return new TokenRange(new TokenRangeAccess(f, to, except)); - }; - TokenRange.AllTokens = function () { - return new TokenRange(new TokenAllAccess()); - }; - TokenRange.prototype.GetTokens = function () { - return this.tokenAccess.GetTokens(); - }; - TokenRange.prototype.Contains = function (token) { - return this.tokenAccess.Contains(token); - }; - TokenRange.prototype.toString = function () { - return this.tokenAccess.toString(); + lastTokenInfo = { + leadingTrivia: leadingTrivia, + trailingTrivia: trailingTrivia, + token: token }; - return TokenRange; - }()); - TokenRange.Any = TokenRange.AllTokens(); - TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3])); - TokenRange.Keywords = TokenRange.FromRange(71, 139); - TokenRange.BinaryOperators = TokenRange.FromRange(26, 69); - TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([91, 92, 139, 117, 125]); - TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([42, 43, 51, 50]); - TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8, 70, 18, 20, 16, 98, 93]); - TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); - TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); - TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); - TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); - TokenRange.Comments = TokenRange.FromTokens([2, 3]); - TokenRange.TypeNames = TokenRange.FromTokens([70, 131, 133, 121, 134, 104, 118]); - Shared.TokenRange = TokenRange; - })(Shared = formatting.Shared || (formatting.Shared = {})); + return fixTokenKind(lastTokenInfo, n); + } + function isOnToken() { + ts.Debug.assert(scanner !== undefined); + var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); + var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); + return startPos < endPos && current !== 1 && !ts.isTrivia(current); + } + function fixTokenKind(tokenInfo, container) { + if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { + tokenInfo.token.kind = container.kind; + } + return tokenInfo; + } + function skipToEndOf(node) { + scanner.setTextPos(node.end); + savedPos = scanner.getStartPos(); + lastScanAction = undefined; + lastTokenInfo = undefined; + wasNewLine = false; + leadingTrivia = undefined; + trailingTrivia = undefined; + } + } + formatting.getFormattingScanner = getFormattingScanner; })(formatting = ts.formatting || (ts.formatting = {})); })(ts || (ts = {})); var ts; (function (ts) { var formatting; (function (formatting) { - var RulesProvider = (function () { - function RulesProvider() { - this.globalRules = new formatting.Rules(); + var FormattingContext = (function () { + function FormattingContext(sourceFile, formattingRequestKind) { + this.sourceFile = sourceFile; + this.formattingRequestKind = formattingRequestKind; } - RulesProvider.prototype.getRuleName = function (rule) { - return this.globalRules.getRuleName(rule); - }; - RulesProvider.prototype.getRuleByName = function (name) { - return this.globalRules[name]; - }; - RulesProvider.prototype.getRulesMap = function () { - return this.rulesMap; + FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { + ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); + ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); + ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); + ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); + ts.Debug.assert(commonParent !== undefined, "commonParent is null"); + this.currentTokenSpan = currentRange; + this.currentTokenParent = currentTokenParent; + this.nextTokenSpan = nextRange; + this.nextTokenParent = nextTokenParent; + this.contextNode = commonParent; + this.contextNodeAllOnSameLine = undefined; + this.nextNodeAllOnSameLine = undefined; + this.tokensAreOnSameLine = undefined; + this.contextNodeBlockIsOnOneLine = undefined; + this.nextNodeBlockIsOnOneLine = undefined; }; - RulesProvider.prototype.ensureUpToDate = function (options) { - if (!this.options || !ts.compareDataObjects(this.options, options)) { - var activeRules = this.createActiveRules(options); - var rulesMap = formatting.RulesMap.create(activeRules); - this.activeRules = activeRules; - this.rulesMap = rulesMap; - this.options = ts.clone(options); + FormattingContext.prototype.ContextNodeAllOnSameLine = function () { + if (this.contextNodeAllOnSameLine === undefined) { + this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); } + return this.contextNodeAllOnSameLine; }; - RulesProvider.prototype.createActiveRules = function (options) { - var rules = this.globalRules.HighPriorityCommonRules.slice(0); - if (options.insertSpaceAfterCommaDelimiter) { - rules.push(this.globalRules.SpaceAfterComma); - } - else { - rules.push(this.globalRules.NoSpaceAfterComma); - } - if (options.insertSpaceAfterFunctionKeywordForAnonymousFunctions) { - rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); - } - else { - rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); - } - if (options.insertSpaceAfterKeywordsInControlFlowStatements) { - rules.push(this.globalRules.SpaceAfterKeywordInControl); - } - else { - rules.push(this.globalRules.NoSpaceAfterKeywordInControl); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { - rules.push(this.globalRules.SpaceAfterOpenParen); - rules.push(this.globalRules.SpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenParen); - rules.push(this.globalRules.NoSpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { - rules.push(this.globalRules.SpaceAfterOpenBracket); - rules.push(this.globalRules.SpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBracket); - rules.push(this.globalRules.NoSpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces !== false) { - rules.push(this.globalRules.SpaceAfterOpenBrace); - rules.push(this.globalRules.SpaceBeforeCloseBrace); - rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBrace); - rules.push(this.globalRules.NoSpaceBeforeCloseBrace); - rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { - rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); - } - else { - rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); - } - if (options.insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces) { - rules.push(this.globalRules.SpaceAfterOpenBraceInJsxExpression); - rules.push(this.globalRules.SpaceBeforeCloseBraceInJsxExpression); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBraceInJsxExpression); - rules.push(this.globalRules.NoSpaceBeforeCloseBraceInJsxExpression); - } - if (options.insertSpaceAfterSemicolonInForStatements) { - rules.push(this.globalRules.SpaceAfterSemicolonInFor); - } - else { - rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); - } - if (options.insertSpaceBeforeAndAfterBinaryOperators) { - rules.push(this.globalRules.SpaceBeforeBinaryOperator); - rules.push(this.globalRules.SpaceAfterBinaryOperator); - } - else { - rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); - rules.push(this.globalRules.NoSpaceAfterBinaryOperator); + FormattingContext.prototype.NextNodeAllOnSameLine = function () { + if (this.nextNodeAllOnSameLine === undefined) { + this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); } - if (options.placeOpenBraceOnNewLineForControlBlocks) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); + return this.nextNodeAllOnSameLine; + }; + FormattingContext.prototype.TokensAreOnSameLine = function () { + if (this.tokensAreOnSameLine === undefined) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; + this.tokensAreOnSameLine = (startLine === endLine); } - if (options.placeOpenBraceOnNewLineForFunctions) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); - rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); + return this.tokensAreOnSameLine; + }; + FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { + if (this.contextNodeBlockIsOnOneLine === undefined) { + this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); } - if (options.insertSpaceAfterTypeAssertion) { - rules.push(this.globalRules.SpaceAfterTypeAssertion); + return this.contextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { + if (this.nextNodeBlockIsOnOneLine === undefined) { + this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); } - else { - rules.push(this.globalRules.NoSpaceAfterTypeAssertion); + return this.nextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NodeIsOnOneLine = function (node) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; + return startLine === endLine; + }; + FormattingContext.prototype.BlockIsOnOneLine = function (node) { + var openBrace = ts.findChildOfKind(node, 16, this.sourceFile); + var closeBrace = ts.findChildOfKind(node, 17, this.sourceFile); + if (openBrace && closeBrace) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; + return startLine === endLine; } - rules = rules.concat(this.globalRules.LowPriorityCommonRules); - return rules; + return false; }; - return RulesProvider; + return FormattingContext; }()); - formatting.RulesProvider = RulesProvider; + formatting.FormattingContext = FormattingContext; })(formatting = ts.formatting || (ts.formatting = {})); })(ts || (ts = {})); var ts; (function (ts) { var formatting; (function (formatting) { - var Constants; - (function (Constants) { - Constants[Constants["Unknown"] = -1] = "Unknown"; - })(Constants || (Constants = {})); - function formatOnEnter(position, sourceFile, rulesProvider, options) { - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - if (line === 0) { - return []; - } - var endOfFormatSpan = ts.getEndLinePosition(line, sourceFile); - while (ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(endOfFormatSpan))) { - endOfFormatSpan--; + var Rule = (function () { + function Rule(Descriptor, Operation, Flag) { + if (Flag === void 0) { Flag = 0; } + this.Descriptor = Descriptor; + this.Operation = Operation; + this.Flag = Flag; } - if (ts.isLineBreak(sourceFile.text.charCodeAt(endOfFormatSpan))) { - endOfFormatSpan--; + Rule.prototype.toString = function () { + return "[desc=" + this.Descriptor + "," + + "operation=" + this.Operation + "," + + "flag=" + this.Flag + "]"; + }; + return Rule; + }()); + formatting.Rule = Rule; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleDescriptor = (function () { + function RuleDescriptor(LeftTokenRange, RightTokenRange) { + this.LeftTokenRange = LeftTokenRange; + this.RightTokenRange = RightTokenRange; } - var span = { - pos: ts.getStartPositionOfLine(line - 1, sourceFile), - end: endOfFormatSpan + 1 + RuleDescriptor.prototype.toString = function () { + return "[leftRange=" + this.LeftTokenRange + "," + + "rightRange=" + this.RightTokenRange + "]"; }; - return formatSpan(span, sourceFile, options, rulesProvider, 2); - } - formatting.formatOnEnter = formatOnEnter; - function formatOnSemicolon(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 24, sourceFile, options, rulesProvider, 3); - } - formatting.formatOnSemicolon = formatOnSemicolon; - function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 17, sourceFile, options, rulesProvider, 4); - } - formatting.formatOnClosingCurly = formatOnClosingCurly; - function formatDocument(sourceFile, rulesProvider, options) { - var span = { - pos: 0, - end: sourceFile.text.length + RuleDescriptor.create1 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); }; - return formatSpan(span, sourceFile, options, rulesProvider, 0); - } - formatting.formatDocument = formatDocument; - function formatSelection(start, end, sourceFile, rulesProvider, options) { - var span = { - pos: ts.getLineStartPositionForPosition(start, sourceFile), - end: end + RuleDescriptor.create2 = function (left, right) { + return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); }; - return formatSpan(span, sourceFile, options, rulesProvider, 1); - } - formatting.formatSelection = formatSelection; - function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { - var parent = findOutermostParent(position, expectedLastToken, sourceFile); - if (!parent) { - return []; - } - var span = { - pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), - end: parent.end + RuleDescriptor.create3 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); }; - return formatSpan(span, sourceFile, options, rulesProvider, requestKind); - } - function findOutermostParent(position, expectedTokenKind, sourceFile) { - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken || - precedingToken.kind !== expectedTokenKind || - position !== precedingToken.getEnd()) { - return undefined; + RuleDescriptor.create4 = function (left, right) { + return new RuleDescriptor(left, right); + }; + return RuleDescriptor; + }()); + formatting.RuleDescriptor = RuleDescriptor; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperation = (function () { + function RuleOperation(Context, Action) { + this.Context = Context; + this.Action = Action; } - var current = precedingToken; - while (current && - current.parent && - current.parent.end === precedingToken.end && - !isListElement(current.parent, current)) { - current = current.parent; + RuleOperation.prototype.toString = function () { + return "[context=" + this.Context + "," + + "action=" + this.Action + "]"; + }; + RuleOperation.create1 = function (action) { + return RuleOperation.create2(formatting.RuleOperationContext.Any, action); + }; + RuleOperation.create2 = function (context, action) { + return new RuleOperation(context, action); + }; + return RuleOperation; + }()); + formatting.RuleOperation = RuleOperation; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperationContext = (function () { + function RuleOperationContext() { + var funcs = []; + for (var _i = 0; _i < arguments.length; _i++) { + funcs[_i - 0] = arguments[_i]; + } + this.customContextChecks = funcs; } - return current; - } - function isListElement(parent, node) { - switch (parent.kind) { - case 222: - case 223: - return ts.rangeContainsRange(parent.members, node); - case 226: - var body = parent.body; - return body && body.kind === 227 && ts.rangeContainsRange(body.statements, node); - case 256: - case 200: - case 227: - return ts.rangeContainsRange(parent.statements, node); - case 252: - return ts.rangeContainsRange(parent.block.statements, node); + RuleOperationContext.prototype.IsAny = function () { + return this === RuleOperationContext.Any; + }; + RuleOperationContext.prototype.InContext = function (context) { + if (this.IsAny()) { + return true; + } + for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { + var check = _a[_i]; + if (!check(context)) { + return false; + } + } + return true; + }; + return RuleOperationContext; + }()); + RuleOperationContext.Any = new RuleOperationContext(); + formatting.RuleOperationContext = RuleOperationContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rules = (function () { + function Rules() { + this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1)); + this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1)); + this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(55, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 2)); + this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsConditionalOperatorContext), 2)); + this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2)); + this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(17, 81), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(17, 105), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.FromTokens([19, 21, 25, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 22), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(22, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(21, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8)); + this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; + this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([70, 3, 74, 83, 90]); + this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([19, 3, 80, 101, 86, 81]); + this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); + this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); + this.NoSpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); + this.NoSpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 8)); + this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectContext), 8)); + this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); + this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); + this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(43, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(42, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(36, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(36, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(43, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(37, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(37, 43), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([103, 99, 93, 79, 95, 102, 120]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([109, 75]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2)); + this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8)); + this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(88, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsFunctionDeclContext), 8)); + this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(104, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsVoidOpContext), 2)); + this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(95, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([19, 80, 81, 72]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNotForContext), 2)); + this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([101, 86]), 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([124, 132]), 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(122, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([126, 130]), 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([116, 74, 123, 78, 82, 83, 84, 124, 107, 90, 108, 126, 127, 111, 113, 112, 132, 114, 135, 137]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([84, 107, 137])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2)); + this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(35, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(23, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.FromTokens([19, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(19, 26), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(26, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.FromTokens([18, 20, 28, 25])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(16, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsObjectTypeContext), 8)); + this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 56), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(56, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([116, 70, 83, 78, 74, 114, 113, 111, 112, 124, 132, 20, 38])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2)); + this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(88, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8)); + this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(38, formatting.Shared.TokenRange.FromTokens([70, 18])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2)); + this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(115, 38), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8)); + this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115, 38]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2)); + this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(119, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(119, 88), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(70, formatting.Shared.TokenRange.FromTokens([12, 13])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceBeforeJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 70), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNextTokenParentJsxAttribute, Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeSlashInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 40), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement = new formatting.Rule(formatting.RuleDescriptor.create1(40, 28), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxSelfClosingElementContext, Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 57), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterEqualInJsxAttribute = new formatting.Rule(formatting.RuleDescriptor.create3(57, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsJsxAttributeContext, Rules.IsNonJsxSameLineTokenContext), 8)); + this.HighPriorityCommonRules = [ + this.IgnoreBeforeComment, this.IgnoreAfterLineComment, + this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, + this.NoSpaceAfterQuestionMark, + this.NoSpaceBeforeDot, this.NoSpaceAfterDot, + this.NoSpaceAfterUnaryPrefixOperator, + this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, + this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, + this.SpaceAfterPostincrementWhenFollowedByAdd, + this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, + this.SpaceAfterPostdecrementWhenFollowedBySubtract, + this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, + this.NoSpaceAfterCloseBrace, + this.NewLineBeforeCloseBraceInBlockContext, + this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, + this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, + this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, + this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, + this.NoSpaceBetweenReturnAndSemicolon, + this.SpaceAfterCertainKeywords, + this.SpaceAfterLetConstInVariableDeclaration, + this.NoSpaceBeforeOpenParenInFuncCall, + this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, + this.SpaceAfterVoidOperator, + this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, + this.NoSpaceBetweenTagAndTemplateString, + this.SpaceBeforeJsxAttribute, this.SpaceBeforeSlashInJsxOpeningElement, this.NoSpaceBeforeGreaterThanTokenInJsxOpeningElement, + this.NoSpaceBeforeEqualInJsxAttribute, this.NoSpaceAfterEqualInJsxAttribute, + this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, + this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, + this.SpaceAfterModuleName, + this.SpaceBeforeArrow, this.SpaceAfterArrow, + this.NoSpaceAfterEllipsis, + this.NoSpaceAfterOptionalParameters, + this.NoSpaceBetweenEmptyInterfaceBraceBrackets, + this.NoSpaceBeforeOpenAngularBracket, + this.NoSpaceBetweenCloseParenAndAngularBracket, + this.NoSpaceAfterOpenAngularBracket, + this.NoSpaceBeforeCloseAngularBracket, + this.NoSpaceAfterCloseAngularBracket, + this.SpaceBeforeAt, + this.NoSpaceAfterAt, + this.SpaceAfterDecorator, + ]; + this.LowPriorityCommonRules = [ + this.NoSpaceBeforeSemicolon, + this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, + this.NoSpaceBeforeComma, + this.NoSpaceBeforeOpenBracket, + this.NoSpaceAfterCloseBracket, + this.SpaceAfterSemicolon, + this.NoSpaceBeforeOpenParenInFuncDecl, + this.SpaceBetweenStatements, this.SpaceAfterTryFinally + ]; + this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext, Rules.IsNextTokenNotCloseBracket), 2)); + this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsNonJsxElementContext), 8)); + this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); + this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsBinaryOpContext), 8)); + this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2)); + this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8)); + this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 2)); + this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsForContext), 8)); + this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(18, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(18, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(20, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([13, 14]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 8)); + this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([14, 15])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext), 2)); + this.NoSpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); + this.SpaceAfterOpenBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); + this.NoSpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 8)); + this.SpaceBeforeCloseBraceInJsxExpression = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsJsxExpressionContext), 2)); + this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(88, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8)); + this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 8)); + this.SpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(28, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsNonJsxSameLineTokenContext, Rules.IsTypeAssertionContext), 2)); } - return false; - } - function findEnclosingNode(range, sourceFile) { - return find(sourceFile); - function find(n) { - var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); - if (candidate) { - var result = find(candidate); - if (result) { - return result; + Rules.prototype.getRuleName = function (rule) { + var o = this; + for (var name_51 in o) { + if (o[name_51] === rule) { + return name_51; } } - return n; - } - } - function prepareRangeContainsErrorFunction(errors, originalRange) { - if (!errors.length) { - return rangeHasNoErrors; - } - var sorted = errors - .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) - .sort(function (e1, e2) { return e1.start - e2.start; }); - if (!sorted.length) { - return rangeHasNoErrors; - } - var index = 0; - return function (r) { - while (true) { - if (index >= sorted.length) { - return false; - } - var error = sorted[index]; - if (r.end <= error.start) { - return false; - } - if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + throw new Error("Unknown rule"); + }; + Rules.IsForContext = function (context) { + return context.contextNode.kind === 207; + }; + Rules.IsNotForContext = function (context) { + return !Rules.IsForContext(context); + }; + Rules.IsBinaryOpContext = function (context) { + switch (context.contextNode.kind) { + case 188: + case 189: + case 196: + case 239: + case 235: + case 155: + case 163: + case 164: return true; - } - index++; + case 170: + case 224: + case 230: + case 219: + case 143: + case 255: + case 146: + case 145: + return context.currentTokenSpan.kind === 57 || context.nextTokenSpan.kind === 57; + case 208: + return context.currentTokenSpan.kind === 91 || context.nextTokenSpan.kind === 91; + case 209: + return context.currentTokenSpan.kind === 139 || context.nextTokenSpan.kind === 139; } - }; - function rangeHasNoErrors() { return false; - } - } - function getScanStartPosition(enclosingNode, originalRange, sourceFile) { - var start = enclosingNode.getStart(sourceFile); - if (start === originalRange.pos && enclosingNode.end === originalRange.end) { - return start; - } - var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); - if (!precedingToken) { - return enclosingNode.pos; - } - if (precedingToken.end >= originalRange.pos) { - return enclosingNode.pos; - } - return precedingToken.end; - } - function getOwnOrInheritedDelta(n, options, sourceFile) { - var previousLine = -1; - var child; - while (n) { - var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; - if (previousLine !== -1 && line !== previousLine) { - break; - } - if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { - return options.indentSize; - } - previousLine = line; - child = n; - n = n.parent; - } - return 0; - } - function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { - var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); - var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); - var enclosingNode = findEnclosingNode(originalRange, sourceFile); - var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); - var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); - var previousRangeHasError; - var previousRange; - var previousParent; - var previousRangeStartLine; - var lastIndentedLine; - var indentationOnLastIndentedLine; - var edits = []; - formattingScanner.advance(); - if (formattingScanner.isOnToken()) { - var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; - var undecoratedStartLine = startLine; - if (enclosingNode.decorators) { - undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; - } - var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); - processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); - } - if (!formattingScanner.isOnToken()) { - var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); - if (leadingTrivia) { - processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); - trimTrailingWhitespacesForRemainingRange(); - } - } - formattingScanner.close(); - return edits; - function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { - if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || - ts.rangeContainsStartEnd(range, startPos, endPos)) { - if (inheritedIndentation !== -1) { - return inheritedIndentation; - } - } - else { - var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; - var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); - var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); - if (startLine !== parentStartLine || startPos === column) { - var baseIndentSize = formatting.SmartIndenter.getBaseIndentation(options); - return baseIndentSize > column ? baseIndentSize : column; - } - } - return -1; - } - function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { - var indentation = inheritedIndentation; - var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.indentSize : 0; - if (effectiveParentStartLine === startLine) { - indentation = startLine === lastIndentedLine - ? indentationOnLastIndentedLine - : parentDynamicIndentation.getIndentation(); - delta = Math.min(options.indentSize, parentDynamicIndentation.getDelta(node) + delta); - } - else if (indentation === -1) { - if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { - indentation = parentDynamicIndentation.getIndentation(); - } - else { - indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); - } - } - return { - indentation: indentation, - delta: delta - }; - } - function getFirstNonDecoratorTokenOfNode(node) { - if (node.modifiers && node.modifiers.length) { - return node.modifiers[0].kind; + }; + Rules.IsNotBinaryOpContext = function (context) { + return !Rules.IsBinaryOpContext(context); + }; + Rules.IsConditionalOperatorContext = function (context) { + return context.contextNode.kind === 189; + }; + Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { + return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); + }; + Rules.IsBeforeMultilineBlockContext = function (context) { + return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); + }; + Rules.IsMultilineBlockContext = function (context) { + return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsSingleLineBlockContext = function (context) { + return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.contextNode); + }; + Rules.IsBeforeBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.nextTokenParent); + }; + Rules.NodeIsBlockContext = function (node) { + if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { + return true; } switch (node.kind) { - case 222: return 74; - case 223: return 108; - case 221: return 88; - case 225: return 225; - case 150: return 124; - case 151: return 132; - case 148: - if (node.asteriskToken) { - return 38; - } - case 146: - case 143: - return node.name.kind; - } - } - function getDynamicIndentation(node, nodeStartLine, indentation, delta) { - return { - getIndentationForComment: function (kind, tokenIndentation, container) { - switch (kind) { - case 17: - case 21: - case 19: - return indentation + getEffectiveDelta(delta, container); - } - return tokenIndentation !== -1 ? tokenIndentation : indentation; - }, - getIndentationForToken: function (line, kind, container) { - if (nodeStartLine !== line && node.decorators) { - if (kind === getFirstNonDecoratorTokenOfNode(node)) { - return indentation; - } - } - switch (kind) { - case 16: - case 17: - case 20: - case 21: - case 18: - case 19: - case 81: - case 105: - case 56: - return indentation; - default: - return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; - } - }, - getIndentation: function () { return indentation; }, - getDelta: function (child) { return getEffectiveDelta(delta, child); }, - recomputeIndentation: function (lineAdded) { - if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { - if (lineAdded) { - indentation += options.indentSize; - } - else { - indentation -= options.indentSize; - } - if (formatting.SmartIndenter.shouldIndentChildNode(node)) { - delta = options.indentSize; - } - else { - delta = 0; - } - } - } - }; - function getEffectiveDelta(delta, child) { - return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; - } - } - function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { - if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { - return; - } - var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); - var childContextNode = contextNode; - ts.forEachChild(node, function (child) { - processChildNode(child, -1, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, false); - }, function (nodes) { - processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); - }); - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > node.end) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); + case 200: + case 228: + case 172: + case 227: + return true; } - function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem, isFirstListItem) { - var childStartPos = child.getStart(sourceFile); - var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; - var undecoratedChildStartLine = childStartLine; - if (child.decorators) { - undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; - } - var childIndentationAmount = -1; - if (isListItem) { - childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); - if (childIndentationAmount !== -1) { - inheritedIndentation = childIndentationAmount; - } - } - if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { - if (child.end < originalRange.pos) { - formattingScanner.skipToEndOf(child); - } - return inheritedIndentation; - } - if (child.getFullWidth() === 0) { - return inheritedIndentation; - } - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > childStartPos) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); - } - if (!formattingScanner.isOnToken()) { - return inheritedIndentation; - } - if (ts.isToken(child) && child.kind !== 10) { - var tokenInfo = formattingScanner.readTokenInfo(child); - ts.Debug.assert(tokenInfo.token.end === child.end, "Token end is child end"); - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); - return inheritedIndentation; - } - var effectiveParentStartLine = child.kind === 144 ? childStartLine : undecoratedParentStartLine; - var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); - processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); - childContextNode = node; - if (isFirstListItem && parent.kind === 171 && inheritedIndentation === -1) { - inheritedIndentation = childIndentation.indentation; - } - return inheritedIndentation; + return false; + }; + Rules.IsFunctionDeclContext = function (context) { + switch (context.contextNode.kind) { + case 221: + case 148: + case 147: + case 150: + case 151: + case 152: + case 180: + case 149: + case 181: + case 223: + return true; } - function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { - var listStartToken = getOpenTokenForList(parent, nodes); - var listEndToken = getCloseTokenForOpenToken(listStartToken); - var listDynamicIndentation = parentDynamicIndentation; - var startLine = parentStartLine; - if (listStartToken !== 0) { - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.end > nodes.pos) { - break; - } - else if (tokenInfo.token.kind === listStartToken) { - startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; - var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1, parent, parentDynamicIndentation, parentStartLine); - listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - else { - consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); - } - } - } - var inheritedIndentation = -1; - for (var i = 0; i < nodes.length; i++) { - var child = nodes[i]; - inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, true, i === 0); - } - if (listEndToken !== 0) { - if (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - } - } + return false; + }; + Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { + return context.contextNode.kind === 221 || context.contextNode.kind === 180; + }; + Rules.IsTypeScriptDeclWithBlockContext = function (context) { + return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); + }; + Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { + switch (node.kind) { + case 222: + case 193: + case 223: + case 225: + case 160: + case 226: + case 237: + case 238: + case 231: + case 234: + return true; } - function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { - ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); - var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); - var indentToken = false; - if (currentTokenInfo.leadingTrivia) { - processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); - } - var lineAdded; - var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); - var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); - if (isTokenInRange) { - var rangeHasError = rangeContainsError(currentTokenInfo.token); - var savePreviousRange = previousRange; - lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); - if (rangeHasError) { - indentToken = false; - } - else { - if (lineAdded !== undefined) { - indentToken = lineAdded; - } - else { - var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; - indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; - } - } - } - if (currentTokenInfo.trailingTrivia) { - processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); - } - if (indentToken) { - var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? - dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : - -1; - var indentNextTokenOrTrivia = true; - if (currentTokenInfo.leadingTrivia) { - var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); - for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { - var triviaItem = _a[_i]; - var triviaInRange = ts.rangeContainsRange(originalRange, triviaItem); - switch (triviaItem.kind) { - case 3: - if (triviaInRange) { - indentMultilineComment(triviaItem, commentIndentation, !indentNextTokenOrTrivia); - } - indentNextTokenOrTrivia = false; - break; - case 2: - if (indentNextTokenOrTrivia && triviaInRange) { - insertIndentation(triviaItem.pos, commentIndentation, false); - } - indentNextTokenOrTrivia = false; - break; - case 4: - indentNextTokenOrTrivia = true; - break; - } - } - } - if (tokenIndentation !== -1 && indentNextTokenOrTrivia) { - insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); - lastIndentedLine = tokenStart.line; - indentationOnLastIndentedLine = tokenIndentation; - } - } - formattingScanner.advance(); - childContextNode = parent; + return false; + }; + Rules.IsAfterCodeBlockContext = function (context) { + switch (context.currentTokenParent.kind) { + case 222: + case 226: + case 225: + case 200: + case 252: + case 227: + case 214: + return true; } - } - function processTrivia(trivia, parent, contextNode, dynamicIndentation) { - for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { - var triviaItem = trivia_1[_i]; - if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { - var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); - processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); - } + return false; + }; + Rules.IsControlDeclContext = function (context) { + switch (context.contextNode.kind) { + case 204: + case 214: + case 207: + case 208: + case 209: + case 206: + case 217: + case 205: + case 213: + case 252: + return true; + default: + return false; } - } - function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { - var rangeHasError = rangeContainsError(range); - var lineAdded; - if (!rangeHasError && !previousRangeHasError) { - if (!previousRange) { - var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); - trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); - } - else { - lineAdded = - processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); - } + }; + Rules.IsObjectContext = function (context) { + return context.contextNode.kind === 172; + }; + Rules.IsFunctionCallContext = function (context) { + return context.contextNode.kind === 175; + }; + Rules.IsNewContext = function (context) { + return context.contextNode.kind === 176; + }; + Rules.IsFunctionCallOrNewContext = function (context) { + return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); + }; + Rules.IsPreviousTokenNotComma = function (context) { + return context.currentTokenSpan.kind !== 25; + }; + Rules.IsNextTokenNotCloseBracket = function (context) { + return context.nextTokenSpan.kind !== 21; + }; + Rules.IsArrowFunctionContext = function (context) { + return context.contextNode.kind === 181; + }; + Rules.IsNonJsxSameLineTokenContext = function (context) { + return context.TokensAreOnSameLine() && context.contextNode.kind !== 10; + }; + Rules.IsNonJsxElementContext = function (context) { + return context.contextNode.kind !== 242; + }; + Rules.IsJsxExpressionContext = function (context) { + return context.contextNode.kind === 248; + }; + Rules.IsNextTokenParentJsxAttribute = function (context) { + return context.nextTokenParent.kind === 246; + }; + Rules.IsJsxAttributeContext = function (context) { + return context.contextNode.kind === 246; + }; + Rules.IsJsxSelfClosingElementContext = function (context) { + return context.contextNode.kind === 243; + }; + Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { + return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); + }; + Rules.IsEndOfDecoratorContextOnSameLine = function (context) { + return context.TokensAreOnSameLine() && + context.contextNode.decorators && + Rules.NodeIsInDecoratorContext(context.currentTokenParent) && + !Rules.NodeIsInDecoratorContext(context.nextTokenParent); + }; + Rules.NodeIsInDecoratorContext = function (node) { + while (ts.isPartOfExpression(node)) { + node = node.parent; } - previousRange = range; - previousParent = parent; - previousRangeStartLine = rangeStart.line; - previousRangeHasError = rangeHasError; - return lineAdded; + return node.kind === 144; + }; + Rules.IsStartOfVariableDeclarationList = function (context) { + return context.currentTokenParent.kind === 220 && + context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; + }; + Rules.IsNotFormatOnEnter = function (context) { + return context.formattingRequestKind !== 2; + }; + Rules.IsModuleDeclContext = function (context) { + return context.contextNode.kind === 226; + }; + Rules.IsObjectTypeContext = function (context) { + return context.contextNode.kind === 160; + }; + Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { + if (token.kind !== 26 && token.kind !== 28) { + return false; + } + switch (parent.kind) { + case 156: + case 178: + case 222: + case 193: + case 223: + case 221: + case 180: + case 181: + case 148: + case 147: + case 152: + case 153: + case 175: + case 176: + case 195: + return true; + default: + return false; + } + }; + Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { + return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || + Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); + }; + Rules.IsTypeAssertionContext = function (context) { + return context.contextNode.kind === 178; + }; + Rules.IsVoidOpContext = function (context) { + return context.currentTokenSpan.kind === 104 && context.currentTokenParent.kind === 184; + }; + Rules.IsYieldOrYieldStarWithOperand = function (context) { + return context.contextNode.kind === 191 && context.contextNode.expression !== undefined; + }; + return Rules; + }()); + formatting.Rules = Rules; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesMap = (function () { + function RulesMap() { + this.map = []; + this.mapRowLength = 0; } - function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { - formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); - var rule = rulesProvider.getRulesMap().GetRule(formattingContext); - var trimTrailingWhitespaces; - var lineAdded; - if (rule) { - applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); - if (rule.Operation.Action & (2 | 8) && currentStartLine !== previousStartLine) { - lineAdded = false; - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(false); + RulesMap.create = function (rules) { + var result = new RulesMap(); + result.Initialize(rules); + return result; + }; + RulesMap.prototype.Initialize = function (rules) { + this.mapRowLength = 139 + 1; + this.map = new Array(this.mapRowLength * this.mapRowLength); + var rulesBucketConstructionStateList = new Array(this.map.length); + this.FillRules(rules, rulesBucketConstructionStateList); + return this.map; + }; + RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { + var _this = this; + rules.forEach(function (rule) { + _this.FillRule(rule, rulesBucketConstructionStateList); + }); + }; + RulesMap.prototype.GetRuleBucketIndex = function (row, column) { + ts.Debug.assert(row <= 139 && column <= 139, "Must compute formatting context from tokens"); + var rulesBucketIndex = (row * this.mapRowLength) + column; + return rulesBucketIndex; + }; + RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { + var _this = this; + var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && + rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; + rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { + rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { + var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); + var rulesBucket = _this.map[rulesBucketIndex]; + if (rulesBucket === undefined) { + rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); } - } - else if (rule.Operation.Action & 4 && currentStartLine === previousStartLine) { - lineAdded = true; - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(true); + rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); + }); + }); + }; + RulesMap.prototype.GetRule = function (context) { + var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); + var bucket = this.map[bucketIndex]; + if (bucket) { + for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { + var rule = _a[_i]; + if (rule.Operation.Context.InContext(context)) { + return rule; } } - trimTrailingWhitespaces = !(rule.Operation.Action & 8) && rule.Flag !== 1; - } - else { - trimTrailingWhitespaces = true; } - if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { - trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + return undefined; + }; + return RulesMap; + }()); + formatting.RulesMap = RulesMap; + var MaskBitSize = 5; + var Mask = 0x1f; + (function (RulesPosition) { + RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; + RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; + RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; + RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; + RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; + RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; + })(formatting.RulesPosition || (formatting.RulesPosition = {})); + var RulesPosition = formatting.RulesPosition; + var RulesBucketConstructionState = (function () { + function RulesBucketConstructionState() { + this.rulesInsertionIndexBitmap = 0; + } + RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { + var index = 0; + var pos = 0; + var indexBitmap = this.rulesInsertionIndexBitmap; + while (pos <= maskPosition) { + index += (indexBitmap & Mask); + indexBitmap >>= MaskBitSize; + pos += MaskBitSize; } - return lineAdded; + return index; + }; + RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { + var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; + value++; + ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); + var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); + temp |= value << maskPosition; + this.rulesInsertionIndexBitmap = temp; + }; + return RulesBucketConstructionState; + }()); + formatting.RulesBucketConstructionState = RulesBucketConstructionState; + var RulesBucket = (function () { + function RulesBucket() { + this.rules = []; } - function insertIndentation(pos, indentation, lineAdded) { - var indentationString = getIndentationString(indentation, options); - if (lineAdded) { - recordReplace(pos, 0, indentationString); + RulesBucket.prototype.Rules = function () { + return this.rules; + }; + RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { + var position; + if (rule.Operation.Action === 1) { + position = specificTokens ? + RulesPosition.IgnoreRulesSpecific : + RulesPosition.IgnoreRulesAny; + } + else if (!rule.Operation.Context.IsAny()) { + position = specificTokens ? + RulesPosition.ContextRulesSpecific : + RulesPosition.ContextRulesAny; } else { - var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); - var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); - if (indentation !== tokenStart.character || indentationIsDifferent(indentationString, startLinePosition)) { - recordReplace(startLinePosition, tokenStart.character, indentationString); - } + position = specificTokens ? + RulesPosition.NoContextRulesSpecific : + RulesPosition.NoContextRulesAny; } - } - function indentationIsDifferent(indentationString, startLinePosition) { - return indentationString !== sourceFile.text.substr(startLinePosition, indentationString.length); - } - function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { - var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; - var parts; - if (startLine === endLine) { - if (!firstLineIsIndented) { - insertIndentation(commentRange.pos, indentation, false); - } - return; + var state = constructionState[rulesBucketIndex]; + if (state === undefined) { + state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); } - else { - parts = []; - var startPos = commentRange.pos; - for (var line = startLine; line < endLine; line++) { - var endOfLine = ts.getEndLinePosition(line, sourceFile); - parts.push({ pos: startPos, end: endOfLine }); - startPos = ts.getStartPositionOfLine(line + 1, sourceFile); + var index = state.GetInsertionIndex(position); + this.rules.splice(index, 0, rule); + state.IncreaseInsertionIndex(position); + }; + return RulesBucket; + }()); + formatting.RulesBucket = RulesBucket; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Shared; + (function (Shared) { + var TokenRangeAccess = (function () { + function TokenRangeAccess(from, to, except) { + this.tokens = []; + for (var token = from; token <= to; token++) { + if (ts.indexOf(except, token) < 0) { + this.tokens.push(token); + } } - parts.push({ pos: startPos, end: commentRange.end }); } - var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); - if (indentation === nonWhitespaceColumnInFirstPart.column) { - return; + TokenRangeAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenRangeAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenRangeAccess; + }()); + Shared.TokenRangeAccess = TokenRangeAccess; + var TokenValuesAccess = (function () { + function TokenValuesAccess(tks) { + this.tokens = tks && tks.length ? tks : []; } - var startIndex = 0; - if (firstLineIsIndented) { - startIndex = 1; - startLine++; + TokenValuesAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenValuesAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenValuesAccess; + }()); + Shared.TokenValuesAccess = TokenValuesAccess; + var TokenSingleValueAccess = (function () { + function TokenSingleValueAccess(token) { + this.token = token; } - var delta = indentation - nonWhitespaceColumnInFirstPart.column; - for (var i = startIndex, len = parts.length; i < len; i++, startLine++) { - var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceCharacterAndColumn = i === 0 - ? nonWhitespaceColumnInFirstPart - : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); - var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; - if (newIndentation > 0) { - var indentationString = getIndentationString(newIndentation, options); - recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); - } - else { - recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); - } + TokenSingleValueAccess.prototype.GetTokens = function () { + return [this.token]; + }; + TokenSingleValueAccess.prototype.Contains = function (tokenValue) { + return tokenValue === this.token; + }; + return TokenSingleValueAccess; + }()); + Shared.TokenSingleValueAccess = TokenSingleValueAccess; + var TokenAllAccess = (function () { + function TokenAllAccess() { } - } - function trimTrailingWhitespacesForLines(line1, line2, range) { - for (var line = line1; line < line2; line++) { - var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); - var lineEndPosition = ts.getEndLinePosition(line, sourceFile); - if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { - continue; - } - var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); - if (whitespaceStart !== -1) { - ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(whitespaceStart - 1))); - recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + TokenAllAccess.prototype.GetTokens = function () { + var result = []; + for (var token = 0; token <= 139; token++) { + result.push(token); } + return result; + }; + TokenAllAccess.prototype.Contains = function () { + return true; + }; + TokenAllAccess.prototype.toString = function () { + return "[allTokens]"; + }; + return TokenAllAccess; + }()); + Shared.TokenAllAccess = TokenAllAccess; + var TokenRange = (function () { + function TokenRange(tokenAccess) { + this.tokenAccess = tokenAccess; } + TokenRange.FromToken = function (token) { + return new TokenRange(new TokenSingleValueAccess(token)); + }; + TokenRange.FromTokens = function (tokens) { + return new TokenRange(new TokenValuesAccess(tokens)); + }; + TokenRange.FromRange = function (f, to, except) { + if (except === void 0) { except = []; } + return new TokenRange(new TokenRangeAccess(f, to, except)); + }; + TokenRange.AllTokens = function () { + return new TokenRange(new TokenAllAccess()); + }; + TokenRange.prototype.GetTokens = function () { + return this.tokenAccess.GetTokens(); + }; + TokenRange.prototype.Contains = function (token) { + return this.tokenAccess.Contains(token); + }; + TokenRange.prototype.toString = function () { + return this.tokenAccess.toString(); + }; + return TokenRange; + }()); + TokenRange.Any = TokenRange.AllTokens(); + TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3])); + TokenRange.Keywords = TokenRange.FromRange(71, 139); + TokenRange.BinaryOperators = TokenRange.FromRange(26, 69); + TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([91, 92, 139, 117, 125]); + TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([42, 43, 51, 50]); + TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8, 70, 18, 20, 16, 98, 93]); + TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); + TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); + TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([70, 18, 98, 93]); + TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([70, 19, 21, 93]); + TokenRange.Comments = TokenRange.FromTokens([2, 3]); + TokenRange.TypeNames = TokenRange.FromTokens([70, 131, 133, 121, 134, 104, 118]); + Shared.TokenRange = TokenRange; + })(Shared = formatting.Shared || (formatting.Shared = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesProvider = (function () { + function RulesProvider() { + this.globalRules = new formatting.Rules(); } - function getTrailingWhitespaceStartPosition(start, end) { - var pos = end; - while (pos >= start && ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(pos))) { - pos--; + RulesProvider.prototype.getRuleName = function (rule) { + return this.globalRules.getRuleName(rule); + }; + RulesProvider.prototype.getRuleByName = function (name) { + return this.globalRules[name]; + }; + RulesProvider.prototype.getRulesMap = function () { + return this.rulesMap; + }; + RulesProvider.prototype.ensureUpToDate = function (options) { + if (!this.options || !ts.compareDataObjects(this.options, options)) { + var activeRules = this.createActiveRules(options); + var rulesMap = formatting.RulesMap.create(activeRules); + this.activeRules = activeRules; + this.rulesMap = rulesMap; + this.options = ts.clone(options); + } + }; + RulesProvider.prototype.createActiveRules = function (options) { + var rules = this.globalRules.HighPriorityCommonRules.slice(0); + if (options.insertSpaceAfterCommaDelimiter) { + rules.push(this.globalRules.SpaceAfterComma); + } + else { + rules.push(this.globalRules.NoSpaceAfterComma); + } + if (options.insertSpaceAfterFunctionKeywordForAnonymousFunctions) { + rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); } - if (pos !== end) { - return pos + 1; + else { + rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); } - return -1; - } - function trimTrailingWhitespacesForRemainingRange() { - var startPosition = previousRange ? previousRange.end : originalRange.pos; - var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; - trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); - } - function newTextChange(start, len, newText) { - return { span: ts.createTextSpan(start, len), newText: newText }; - } - function recordDelete(start, len) { - if (len) { - edits.push(newTextChange(start, len, "")); + if (options.insertSpaceAfterKeywordsInControlFlowStatements) { + rules.push(this.globalRules.SpaceAfterKeywordInControl); } - } - function recordReplace(start, len, newText) { - if (len || newText) { - edits.push(newTextChange(start, len, newText)); + else { + rules.push(this.globalRules.NoSpaceAfterKeywordInControl); } - } - function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { - switch (rule.Operation.Action) { - case 1: - return; - case 8: - if (previousRange.end !== currentRange.pos) { - recordDelete(previousRange.end, currentRange.pos - previousRange.end); - } - break; - case 4: - if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { - return; - } - var lineDelta = currentStartLine - previousStartLine; - if (lineDelta !== 1) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.newLineCharacter); - } - break; - case 2: - if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { - return; - } - var posDelta = currentRange.pos - previousRange.end; - if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); - } - break; + if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { + rules.push(this.globalRules.SpaceAfterOpenParen); + rules.push(this.globalRules.SpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); } - } - } - function getOpenTokenForList(node, list) { - switch (node.kind) { - case 149: - case 221: - case 180: - case 148: - case 147: - case 181: - if (node.typeParameters === list) { - return 26; - } - else if (node.parameters === list) { - return 18; - } - break; - case 175: - case 176: - if (node.typeArguments === list) { - return 26; - } - else if (node.arguments === list) { - return 18; - } - break; - case 156: - if (node.typeArguments === list) { - return 26; - } - } - return 0; - } - function getCloseTokenForOpenToken(kind) { - switch (kind) { - case 18: - return 19; - case 26: - return 28; - } - return 0; - } - var internedSizes; - var internedTabsIndentation; - var internedSpacesIndentation; - function getIndentationString(indentation, options) { - var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.tabSize || internedSizes.indentSize !== options.indentSize); - if (resetInternedStrings) { - internedSizes = { tabSize: options.tabSize, indentSize: options.indentSize }; - internedTabsIndentation = internedSpacesIndentation = undefined; - } - if (!options.convertTabsToSpaces) { - var tabs = Math.floor(indentation / options.tabSize); - var spaces = indentation - tabs * options.tabSize; - var tabString = void 0; - if (!internedTabsIndentation) { - internedTabsIndentation = []; + else { + rules.push(this.globalRules.NoSpaceAfterOpenParen); + rules.push(this.globalRules.NoSpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); } - if (internedTabsIndentation[tabs] === undefined) { - internedTabsIndentation[tabs] = tabString = repeat("\t", tabs); + if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { + rules.push(this.globalRules.SpaceAfterOpenBracket); + rules.push(this.globalRules.SpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); } else { - tabString = internedTabsIndentation[tabs]; + rules.push(this.globalRules.NoSpaceAfterOpenBracket); + rules.push(this.globalRules.NoSpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); } - return spaces ? tabString + repeat(" ", spaces) : tabString; - } - else { - var spacesString = void 0; - var quotient = Math.floor(indentation / options.indentSize); - var remainder = indentation % options.indentSize; - if (!internedSpacesIndentation) { - internedSpacesIndentation = []; + if (options.insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces !== false) { + rules.push(this.globalRules.SpaceAfterOpenBrace); + rules.push(this.globalRules.SpaceBeforeCloseBrace); + rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); } - if (internedSpacesIndentation[quotient] === undefined) { - spacesString = repeat(" ", options.indentSize * quotient); - internedSpacesIndentation[quotient] = spacesString; + else { + rules.push(this.globalRules.NoSpaceAfterOpenBrace); + rules.push(this.globalRules.NoSpaceBeforeCloseBrace); + rules.push(this.globalRules.NoSpaceBetweenEmptyBraceBrackets); + } + if (options.insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { + rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); } else { - spacesString = internedSpacesIndentation[quotient]; + rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); } - return remainder ? spacesString + repeat(" ", remainder) : spacesString; - } - function repeat(value, count) { - var s = ""; - for (var i = 0; i < count; i++) { - s += value; + if (options.insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces) { + rules.push(this.globalRules.SpaceAfterOpenBraceInJsxExpression); + rules.push(this.globalRules.SpaceBeforeCloseBraceInJsxExpression); } - return s; - } - } - formatting.getIndentationString = getIndentationString; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var SmartIndenter; - (function (SmartIndenter) { - var Value; - (function (Value) { - Value[Value["Unknown"] = -1] = "Unknown"; - })(Value || (Value = {})); - function getIndentation(position, sourceFile, options) { - if (position > sourceFile.text.length) { - return getBaseIndentation(options); + else { + rules.push(this.globalRules.NoSpaceAfterOpenBraceInJsxExpression); + rules.push(this.globalRules.NoSpaceBeforeCloseBraceInJsxExpression); } - if (options.indentStyle === ts.IndentStyle.None) { - return 0; + if (options.insertSpaceAfterSemicolonInForStatements) { + rules.push(this.globalRules.SpaceAfterSemicolonInFor); } - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken) { - return getBaseIndentation(options); + else { + rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); } - var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); - if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { - return 0; + if (options.insertSpaceBeforeAndAfterBinaryOperators) { + rules.push(this.globalRules.SpaceBeforeBinaryOperator); + rules.push(this.globalRules.SpaceAfterBinaryOperator); } - var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (options.indentStyle === ts.IndentStyle.Block) { - var current_1 = position; - while (current_1 > 0) { - var char = sourceFile.text.charCodeAt(current_1); - if (!ts.isWhiteSpace(char)) { - break; - } - current_1--; - } - var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); - return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); + else { + rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); + rules.push(this.globalRules.NoSpaceAfterBinaryOperator); } - if (precedingToken.kind === 25 && precedingToken.parent.kind !== 188) { - var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation; - } + if (options.placeOpenBraceOnNewLineForControlBlocks) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); } - var previous; - var current = precedingToken; - var currentStart; - var indentationDelta; - while (current) { - if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { - currentStart = getStartLineAndCharacterForNode(current, sourceFile); - if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { - indentationDelta = 0; - } - else { - indentationDelta = lineAtPosition !== currentStart.line ? options.indentSize : 0; - } - break; - } - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + options.indentSize; - } - previous = current; - current = current.parent; + if (options.placeOpenBraceOnNewLineForFunctions) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); + rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); } - if (!current) { - return getBaseIndentation(options); + if (options.insertSpaceAfterTypeAssertion) { + rules.push(this.globalRules.SpaceAfterTypeAssertion); } - return getIndentationForNodeWorker(current, currentStart, undefined, indentationDelta, sourceFile, options); + else { + rules.push(this.globalRules.NoSpaceAfterTypeAssertion); + } + rules = rules.concat(this.globalRules.LowPriorityCommonRules); + return rules; + }; + return RulesProvider; + }()); + formatting.RulesProvider = RulesProvider; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + function formatOnEnter(position, sourceFile, rulesProvider, options) { + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + if (line === 0) { + return []; } - SmartIndenter.getIndentation = getIndentation; - function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { - var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, 0, sourceFile, options); + var endOfFormatSpan = ts.getEndLinePosition(line, sourceFile); + while (ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(endOfFormatSpan))) { + endOfFormatSpan--; } - SmartIndenter.getIndentationForNode = getIndentationForNode; - function getBaseIndentation(options) { - return options.baseIndentSize || 0; + if (ts.isLineBreak(sourceFile.text.charCodeAt(endOfFormatSpan))) { + endOfFormatSpan--; } - SmartIndenter.getBaseIndentation = getBaseIndentation; - function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { - var parent = current.parent; - var parentStart; - while (parent) { - var useActualIndentation = true; - if (ignoreActualIndentationRange) { - var start = current.getStart(sourceFile); - useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + var span = { + pos: ts.getStartPositionOfLine(line - 1, sourceFile), + end: endOfFormatSpan + 1 + }; + return formatSpan(span, sourceFile, options, rulesProvider, 2); + } + formatting.formatOnEnter = formatOnEnter; + function formatOnSemicolon(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 24, sourceFile, options, rulesProvider, 3); + } + formatting.formatOnSemicolon = formatOnSemicolon; + function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 17, sourceFile, options, rulesProvider, 4); + } + formatting.formatOnClosingCurly = formatOnClosingCurly; + function formatDocument(sourceFile, rulesProvider, options) { + var span = { + pos: 0, + end: sourceFile.text.length + }; + return formatSpan(span, sourceFile, options, rulesProvider, 0); + } + formatting.formatDocument = formatDocument; + function formatSelection(start, end, sourceFile, rulesProvider, options) { + var span = { + pos: ts.getLineStartPositionForPosition(start, sourceFile), + end: end + }; + return formatSpan(span, sourceFile, options, rulesProvider, 1); + } + formatting.formatSelection = formatSelection; + function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { + var parent = findOutermostParent(position, expectedLastToken, sourceFile); + if (!parent) { + return []; + } + var span = { + pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), + end: parent.end + }; + return formatSpan(span, sourceFile, options, rulesProvider, requestKind); + } + function findOutermostParent(position, expectedTokenKind, sourceFile) { + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken || + precedingToken.kind !== expectedTokenKind || + position !== precedingToken.getEnd()) { + return undefined; + } + var current = precedingToken; + while (current && + current.parent && + current.parent.end === precedingToken.end && + !isListElement(current.parent, current)) { + current = current.parent; + } + return current; + } + function isListElement(parent, node) { + switch (parent.kind) { + case 222: + case 223: + return ts.rangeContainsRange(parent.members, node); + case 226: + var body = parent.body; + return body && body.kind === 227 && ts.rangeContainsRange(body.statements, node); + case 256: + case 200: + case 227: + return ts.rangeContainsRange(parent.statements, node); + case 252: + return ts.rangeContainsRange(parent.block.statements, node); + } + return false; + } + function findEnclosingNode(range, sourceFile) { + return find(sourceFile); + function find(n) { + var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); + if (candidate) { + var result = find(candidate); + if (result) { + return result; } - if (useActualIndentation) { - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } + } + return n; + } + } + function prepareRangeContainsErrorFunction(errors, originalRange) { + if (!errors.length) { + return rangeHasNoErrors; + } + var sorted = errors + .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) + .sort(function (e1, e2) { return e1.start - e2.start; }); + if (!sorted.length) { + return rangeHasNoErrors; + } + var index = 0; + return function (r) { + while (true) { + if (index >= sorted.length) { + return false; } - parentStart = getParentStart(parent, current, sourceFile); - var parentAndChildShareLine = parentStart.line === currentStart.line || - childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); - if (useActualIndentation) { - var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } + var error = sorted[index]; + if (r.end <= error.start) { + return false; } - if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { - indentationDelta += options.indentSize; + if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + return true; } - current = parent; - currentStart = parentStart; - parent = current.parent; + index++; } - return indentationDelta + getBaseIndentation(options); + }; + function rangeHasNoErrors() { + return false; } - function getParentStart(parent, child, sourceFile) { - var containingList = getContainingList(child, sourceFile); - if (containingList) { - return sourceFile.getLineAndCharacterOfPosition(containingList.pos); + } + function getScanStartPosition(enclosingNode, originalRange, sourceFile) { + var start = enclosingNode.getStart(sourceFile); + if (start === originalRange.pos && enclosingNode.end === originalRange.end) { + return start; + } + var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); + if (!precedingToken) { + return enclosingNode.pos; + } + if (precedingToken.end >= originalRange.pos) { + return enclosingNode.pos; + } + return precedingToken.end; + } + function getOwnOrInheritedDelta(n, options, sourceFile) { + var previousLine = -1; + var child; + while (n) { + var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; + if (previousLine !== -1 && line !== previousLine) { + break; } - return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); + if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { + return options.indentSize; + } + previousLine = line; + child = n; + n = n.parent; } - function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { - var commaItemInfo = ts.findListItemInfo(commaToken); - if (commaItemInfo && commaItemInfo.listItemIndex > 0) { - return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); + return 0; + } + function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { + var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); + var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); + var enclosingNode = findEnclosingNode(originalRange, sourceFile); + var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); + var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); + var previousRangeHasError; + var previousRange; + var previousParent; + var previousRangeStartLine; + var lastIndentedLine; + var indentationOnLastIndentedLine; + var edits = []; + formattingScanner.advance(); + if (formattingScanner.isOnToken()) { + var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; + var undecoratedStartLine = startLine; + if (enclosingNode.decorators) { + undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; } - else { - return -1; + var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); + processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); + } + if (!formattingScanner.isOnToken()) { + var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); + if (leadingTrivia) { + processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); + trimTrailingWhitespacesForRemainingRange(); } } - function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { - var useActualIndentation = (ts.isDeclaration(current) || ts.isStatementButNotDeclaration(current)) && - (parent.kind === 256 || !parentAndChildShareLine); - if (!useActualIndentation) { - return -1; + formattingScanner.close(); + return edits; + function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { + if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || + ts.rangeContainsStartEnd(range, startPos, endPos)) { + if (inheritedIndentation !== -1) { + return inheritedIndentation; + } + } + else { + var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; + var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); + var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); + if (startLine !== parentStartLine || startPos === column) { + var baseIndentSize = formatting.SmartIndenter.getBaseIndentation(options); + return baseIndentSize > column ? baseIndentSize : column; + } } - return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); + return -1; } - function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { - var nextToken = ts.findNextToken(precedingToken, current); - if (!nextToken) { - return false; - } - if (nextToken.kind === 16) { - return true; + function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { + var indentation = inheritedIndentation; + var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.indentSize : 0; + if (effectiveParentStartLine === startLine) { + indentation = startLine === lastIndentedLine + ? indentationOnLastIndentedLine + : parentDynamicIndentation.getIndentation(); + delta = Math.min(options.indentSize, parentDynamicIndentation.getDelta(node) + delta); } - else if (nextToken.kind === 17) { - var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; - return lineAtPosition === nextTokenStartLine; + else if (indentation === -1) { + if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { + indentation = parentDynamicIndentation.getIndentation(); + } + else { + indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); + } } - return false; - } - function getStartLineAndCharacterForNode(n, sourceFile) { - return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return { + indentation: indentation, + delta: delta + }; } - function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { - if (parent.kind === 204 && parent.elseStatement === child) { - var elseKeyword = ts.findChildOfKind(parent, 81, sourceFile); - ts.Debug.assert(elseKeyword !== undefined); - var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; - return elseKeywordStartLine === childStartLine; + function getFirstNonDecoratorTokenOfNode(node) { + if (node.modifiers && node.modifiers.length) { + return node.modifiers[0].kind; + } + switch (node.kind) { + case 222: return 74; + case 223: return 108; + case 221: return 88; + case 225: return 225; + case 150: return 124; + case 151: return 132; + case 148: + if (node.asteriskToken) { + return 38; + } + case 146: + case 143: + return node.name.kind; } - return false; } - SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; - function getContainingList(node, sourceFile) { - if (node.parent) { - switch (node.parent.kind) { - case 156: - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { - return node.parent.typeArguments; + function getDynamicIndentation(node, nodeStartLine, indentation, delta) { + return { + getIndentationForComment: function (kind, tokenIndentation, container) { + switch (kind) { + case 17: + case 21: + case 19: + return indentation + getEffectiveDelta(delta, container); + } + return tokenIndentation !== -1 ? tokenIndentation : indentation; + }, + getIndentationForToken: function (line, kind, container) { + if (nodeStartLine !== line && node.decorators) { + if (kind === getFirstNonDecoratorTokenOfNode(node)) { + return indentation; } - break; - case 172: - return node.parent.properties; - case 171: - return node.parent.elements; - case 221: - case 180: - case 181: - case 148: - case 147: - case 152: - case 153: { - var start = node.getStart(sourceFile); - if (node.parent.typeParameters && - ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { - return node.parent.typeParameters; + } + switch (kind) { + case 16: + case 17: + case 20: + case 21: + case 18: + case 19: + case 81: + case 105: + case 56: + return indentation; + default: + return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; + } + }, + getIndentation: function () { return indentation; }, + getDelta: function (child) { return getEffectiveDelta(delta, child); }, + recomputeIndentation: function (lineAdded) { + if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { + if (lineAdded) { + indentation += options.indentSize; } - if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { - return node.parent.parameters; + else { + indentation -= options.indentSize; } - break; - } - case 176: - case 175: { - var start = node.getStart(sourceFile); - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { - return node.parent.typeArguments; + if (formatting.SmartIndenter.shouldIndentChildNode(node)) { + delta = options.indentSize; } - if (node.parent.arguments && - ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { - return node.parent.arguments; + else { + delta = 0; } - break; } } + }; + function getEffectiveDelta(delta, child) { + return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; } - return undefined; } - function getActualIndentationForListItem(node, sourceFile, options) { - var containingList = getContainingList(node, sourceFile); - return containingList ? getActualIndentationFromList(containingList) : -1; - function getActualIndentationFromList(list) { - var index = ts.indexOf(list, node); - return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1; + function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { + if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { + return; } - } - function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { - if (node.kind === 19) { - return -1; + var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); + var childContextNode = contextNode; + ts.forEachChild(node, function (child) { + processChildNode(child, -1, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, false); + }, function (nodes) { + processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); + }); + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > node.end) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); } - if (node.parent && (node.parent.kind === 175 || - node.parent.kind === 176) && - node.parent.expression !== node) { - var fullCallOrNewExpression = node.parent.expression; - var startingExpression = getStartingExpression(fullCallOrNewExpression); - if (fullCallOrNewExpression === startingExpression) { - return -1; + function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem, isFirstListItem) { + var childStartPos = child.getStart(sourceFile); + var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; + var undecoratedChildStartLine = childStartLine; + if (child.decorators) { + undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; } - var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); - var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); - if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { - return -1; + var childIndentationAmount = -1; + if (isListItem) { + childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); + if (childIndentationAmount !== -1) { + inheritedIndentation = childIndentationAmount; + } } - return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); + if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { + if (child.end < originalRange.pos) { + formattingScanner.skipToEndOf(child); + } + return inheritedIndentation; + } + if (child.getFullWidth() === 0) { + return inheritedIndentation; + } + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > childStartPos) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); + } + if (!formattingScanner.isOnToken()) { + return inheritedIndentation; + } + if (ts.isToken(child) && child.kind !== 10) { + var tokenInfo = formattingScanner.readTokenInfo(child); + ts.Debug.assert(tokenInfo.token.end === child.end, "Token end is child end"); + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); + return inheritedIndentation; + } + var effectiveParentStartLine = child.kind === 144 ? childStartLine : undecoratedParentStartLine; + var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); + processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); + childContextNode = node; + if (isFirstListItem && parent.kind === 171 && inheritedIndentation === -1) { + inheritedIndentation = childIndentation.indentation; + } + return inheritedIndentation; } - return -1; - function getStartingExpression(node) { - while (true) { - switch (node.kind) { - case 175: - case 176: - case 173: - case 174: - node = node.expression; + function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { + var listStartToken = getOpenTokenForList(parent, nodes); + var listEndToken = getCloseTokenForOpenToken(listStartToken); + var listDynamicIndentation = parentDynamicIndentation; + var startLine = parentStartLine; + if (listStartToken !== 0) { + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.end > nodes.pos) { break; - default: - return node; + } + else if (tokenInfo.token.kind === listStartToken) { + startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; + var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1, parent, parentDynamicIndentation, parentStartLine); + listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + else { + consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); + } } } - } - } - function deriveActualIndentationFromList(list, index, sourceFile, options) { - ts.Debug.assert(index >= 0 && index < list.length); - var node = list[index]; - var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); - for (var i = index - 1; i >= 0; i--) { - if (list[i].kind === 25) { - continue; + var inheritedIndentation = -1; + for (var i = 0; i < nodes.length; i++) { + var child = nodes[i]; + inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, true, i === 0); } - var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; - if (prevEndLine !== lineAndCharacter.line) { - return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + if (listEndToken !== 0) { + if (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + } } - lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); } - return -1; - } - function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { - var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); - return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); - } - function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { - var character = 0; - var column = 0; - for (var pos = startPos; pos < endPos; pos++) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpaceSingleLine(ch)) { - break; + function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { + ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); + var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); + var indentToken = false; + if (currentTokenInfo.leadingTrivia) { + processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); } - if (ch === 9) { - column += options.tabSize + (column % options.tabSize); + var lineAdded; + var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); + var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); + if (isTokenInRange) { + var rangeHasError = rangeContainsError(currentTokenInfo.token); + var savePreviousRange = previousRange; + lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); + if (rangeHasError) { + indentToken = false; + } + else { + if (lineAdded !== undefined) { + indentToken = lineAdded; + } + else { + var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; + indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; + } + } } - else { - column++; + if (currentTokenInfo.trailingTrivia) { + processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); } - character++; - } - return { column: column, character: character }; - } - SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; - function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { - return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; - } - SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; - function nodeContentIsAlwaysIndented(kind) { - switch (kind) { - case 203: - case 222: - case 193: - case 223: - case 225: - case 224: - case 171: - case 200: - case 227: - case 172: - case 160: - case 162: - case 228: - case 250: - case 249: - case 179: - case 173: - case 175: - case 176: - case 201: - case 219: - case 236: - case 212: - case 189: - case 169: - case 168: - case 244: - case 243: - case 248: - case 147: - case 152: - case 153: - case 143: - case 157: - case 158: - case 165: - case 177: - case 185: - case 238: - case 234: - case 239: - case 235: - return true; - } - return false; - } - function nodeWillIndentChild(parent, child, indentByDefault) { - var childKind = child ? child.kind : 0; - switch (parent.kind) { - case 205: - case 206: - case 208: - case 209: - case 207: - case 204: - case 221: - case 180: - case 148: - case 181: - case 149: - case 150: - case 151: - return childKind !== 200; - case 237: - return childKind !== 238; - case 231: - return childKind !== 232 || - (child.namedBindings && child.namedBindings.kind !== 234); - case 242: - return childKind !== 245; - } - return indentByDefault; - } - SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; - function shouldIndentChildNode(parent, child) { - return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); - } - SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; - })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var codefix; - (function (codefix) { - var codeFixes = ts.createMap(); - function registerCodeFix(action) { - ts.forEach(action.errorCodes, function (error) { - var fixes = codeFixes[error]; - if (!fixes) { - fixes = []; - codeFixes[error] = fixes; - } - fixes.push(action); - }); - } - codefix.registerCodeFix = registerCodeFix; - function getSupportedErrorCodes() { - return Object.keys(codeFixes); - } - codefix.getSupportedErrorCodes = getSupportedErrorCodes; - function getFixes(context) { - var fixes = codeFixes[context.errorCode]; - var allActions = []; - ts.forEach(fixes, function (f) { - var actions = f.getCodeActions(context); - if (actions && actions.length > 0) { - allActions = allActions.concat(actions); - } - }); - return allActions; - } - codefix.getFixes = getFixes; - })(codefix = ts.codefix || (ts.codefix = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var codefix; - (function (codefix) { - function getOpenBraceEnd(constructor, sourceFile) { - return constructor.body.getFirstToken(sourceFile).getEnd(); - } - codefix.registerCodeFix({ - errorCodes: [ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call.code], - getCodeActions: function (context) { - var sourceFile = context.sourceFile; - var token = ts.getTokenAtPosition(sourceFile, context.span.start); - if (token.kind !== 122) { - return undefined; - } - var newPosition = getOpenBraceEnd(token.parent, sourceFile); - return [{ - description: ts.getLocaleSpecificMessage(ts.Diagnostics.Add_missing_super_call), - changes: [{ fileName: sourceFile.fileName, textChanges: [{ newText: "super();", span: { start: newPosition, length: 0 } }] }] - }]; - } - }); - codefix.registerCodeFix({ - errorCodes: [ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class.code], - getCodeActions: function (context) { - var sourceFile = context.sourceFile; - var token = ts.getTokenAtPosition(sourceFile, context.span.start); - if (token.kind !== 98) { - return undefined; - } - var constructor = ts.getContainingFunction(token); - var superCall = findSuperCall(constructor.body); - if (!superCall) { - return undefined; - } - if (superCall.expression && superCall.expression.kind == 175) { - var arguments_1 = superCall.expression.arguments; - for (var i = 0; i < arguments_1.length; i++) { - if (arguments_1[i].expression === token) { - return undefined; + if (indentToken) { + var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? + dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : + -1; + var indentNextTokenOrTrivia = true; + if (currentTokenInfo.leadingTrivia) { + var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); + for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { + var triviaItem = _a[_i]; + var triviaInRange = ts.rangeContainsRange(originalRange, triviaItem); + switch (triviaItem.kind) { + case 3: + if (triviaInRange) { + indentMultilineComment(triviaItem, commentIndentation, !indentNextTokenOrTrivia); + } + indentNextTokenOrTrivia = false; + break; + case 2: + if (indentNextTokenOrTrivia && triviaInRange) { + insertIndentation(triviaItem.pos, commentIndentation, false); + } + indentNextTokenOrTrivia = false; + break; + case 4: + indentNextTokenOrTrivia = true; + break; + } + } + } + if (tokenIndentation !== -1 && indentNextTokenOrTrivia) { + insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); + lastIndentedLine = tokenStart.line; + indentationOnLastIndentedLine = tokenIndentation; } } + formattingScanner.advance(); + childContextNode = parent; } - var newPosition = getOpenBraceEnd(constructor, sourceFile); - var changes = [{ - fileName: sourceFile.fileName, textChanges: [{ - newText: superCall.getText(sourceFile), - span: { start: newPosition, length: 0 } - }, - { - newText: "", - span: { start: superCall.getStart(sourceFile), length: superCall.getWidth(sourceFile) } - }] - }]; - return [{ - description: ts.getLocaleSpecificMessage(ts.Diagnostics.Make_super_call_the_first_statement_in_the_constructor), - changes: changes - }]; - function findSuperCall(n) { - if (n.kind === 203 && ts.isSuperCall(n.expression)) { - return n; - } - if (ts.isFunctionLike(n)) { - return undefined; + } + function processTrivia(trivia, parent, contextNode, dynamicIndentation) { + for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { + var triviaItem = trivia_1[_i]; + if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { + var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); + processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); } - return ts.forEachChild(n, findSuperCall); } } - }); - })(codefix = ts.codefix || (ts.codefix = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.servicesVersion = "0.5"; - function createNode(kind, pos, end, parent) { - var node = kind >= 140 ? new NodeObject(kind, pos, end) : - kind === 70 ? new IdentifierObject(70, pos, end) : - new TokenObject(kind, pos, end); - node.parent = parent; - return node; - } - var NodeObject = (function () { - function NodeObject(kind, pos, end) { - this.pos = pos; - this.end = end; - this.flags = 0; - this.transformFlags = undefined; - this.excludeTransformFlags = undefined; - this.parent = undefined; - this.kind = kind; - } - NodeObject.prototype.getSourceFile = function () { - return ts.getSourceFileOfNode(this); - }; - NodeObject.prototype.getStart = function (sourceFile, includeJsDocComment) { - return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); - }; - NodeObject.prototype.getFullStart = function () { - return this.pos; - }; - NodeObject.prototype.getEnd = function () { - return this.end; - }; - NodeObject.prototype.getWidth = function (sourceFile) { - return this.getEnd() - this.getStart(sourceFile); - }; - NodeObject.prototype.getFullWidth = function () { - return this.end - this.pos; - }; - NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { - return this.getStart(sourceFile) - this.pos; - }; - NodeObject.prototype.getFullText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); - }; - NodeObject.prototype.getText = function (sourceFile) { - if (!sourceFile) { - sourceFile = this.getSourceFile(); + function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { + var rangeHasError = rangeContainsError(range); + var lineAdded; + if (!rangeHasError && !previousRangeHasError) { + if (!previousRange) { + var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); + trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); + } + else { + lineAdded = + processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); + } + } + previousRange = range; + previousParent = parent; + previousRangeStartLine = rangeStart.line; + previousRangeHasError = rangeHasError; + return lineAdded; } - return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd()); - }; - NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end, useJSDocScanner) { - ts.scanner.setTextPos(pos); - while (pos < end) { - var token = useJSDocScanner ? ts.scanner.scanJSDocToken() : ts.scanner.scan(); - var textPos = ts.scanner.getTextPos(); - if (textPos <= end) { - nodes.push(createNode(token, pos, textPos, this)); + function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { + formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); + var rule = rulesProvider.getRulesMap().GetRule(formattingContext); + var trimTrailingWhitespaces; + var lineAdded; + if (rule) { + applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); + if (rule.Operation.Action & (2 | 8) && currentStartLine !== previousStartLine) { + lineAdded = false; + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(false); + } + } + else if (rule.Operation.Action & 4 && currentStartLine === previousStartLine) { + lineAdded = true; + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(true); + } + } + trimTrailingWhitespaces = !(rule.Operation.Action & 8) && rule.Flag !== 1; } - pos = textPos; + else { + trimTrailingWhitespaces = true; + } + if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { + trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + } + return lineAdded; } - return pos; - }; - NodeObject.prototype.createSyntaxList = function (nodes) { - var list = createNode(286, nodes.pos, nodes.end, this); - list._children = []; - var pos = nodes.pos; - for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { - var node = nodes_4[_i]; - if (pos < node.pos) { - pos = this.addSyntheticNodes(list._children, pos, node.pos); + function insertIndentation(pos, indentation, lineAdded) { + var indentationString = getIndentationString(indentation, options); + if (lineAdded) { + recordReplace(pos, 0, indentationString); + } + else { + var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); + var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); + if (indentation !== tokenStart.character || indentationIsDifferent(indentationString, startLinePosition)) { + recordReplace(startLinePosition, tokenStart.character, indentationString); + } } - list._children.push(node); - pos = node.end; } - if (pos < nodes.end) { - this.addSyntheticNodes(list._children, pos, nodes.end); + function indentationIsDifferent(indentationString, startLinePosition) { + return indentationString !== sourceFile.text.substr(startLinePosition, indentationString.length); } - return list; - }; - NodeObject.prototype.createChildren = function (sourceFile) { - var _this = this; - var children; - if (this.kind >= 140) { - ts.scanner.setText((sourceFile || this.getSourceFile()).text); - children = []; - var pos_3 = this.pos; - var useJSDocScanner_1 = this.kind >= 273 && this.kind <= 285; - var processNode = function (node) { - var isJSDocTagNode = ts.isJSDocTag(node); - if (!isJSDocTagNode && pos_3 < node.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos, useJSDocScanner_1); + function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { + var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; + var parts; + if (startLine === endLine) { + if (!firstLineIsIndented) { + insertIndentation(commentRange.pos, indentation, false); } - children.push(node); - if (!isJSDocTagNode) { - pos_3 = node.end; + return; + } + else { + parts = []; + var startPos = commentRange.pos; + for (var line = startLine; line < endLine; line++) { + var endOfLine = ts.getEndLinePosition(line, sourceFile); + parts.push({ pos: startPos, end: endOfLine }); + startPos = ts.getStartPositionOfLine(line + 1, sourceFile); } - }; - var processNodes = function (nodes) { - if (pos_3 < nodes.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos, useJSDocScanner_1); + parts.push({ pos: startPos, end: commentRange.end }); + } + var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); + if (indentation === nonWhitespaceColumnInFirstPart.column) { + return; + } + var startIndex = 0; + if (firstLineIsIndented) { + startIndex = 1; + startLine++; + } + var delta = indentation - nonWhitespaceColumnInFirstPart.column; + for (var i = startIndex, len = parts.length; i < len; i++, startLine++) { + var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceCharacterAndColumn = i === 0 + ? nonWhitespaceColumnInFirstPart + : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); + var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; + if (newIndentation > 0) { + var indentationString = getIndentationString(newIndentation, options); + recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); } - children.push(_this.createSyntaxList(nodes)); - pos_3 = nodes.end; - }; - if (this.jsDocComments) { - for (var _i = 0, _a = this.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - processNode(jsDocComment); + else { + recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); } } - pos_3 = this.pos; - ts.forEachChild(this, processNode, processNodes); - if (pos_3 < this.end) { - this.addSyntheticNodes(children, pos_3, this.end); - } - ts.scanner.setText(undefined); - } - this._children = children || ts.emptyArray; - }; - NodeObject.prototype.getChildCount = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children.length; - }; - NodeObject.prototype.getChildAt = function (index, sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children[index]; - }; - NodeObject.prototype.getChildren = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children; - }; - NodeObject.prototype.getFirstToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - if (!children.length) { - return undefined; - } - var child = children[0]; - return child.kind < 140 ? child : child.getFirstToken(sourceFile); - }; - NodeObject.prototype.getLastToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - var child = ts.lastOrUndefined(children); - if (!child) { - return undefined; - } - return child.kind < 140 ? child : child.getLastToken(sourceFile); - }; - return NodeObject; - }()); - var TokenOrIdentifierObject = (function () { - function TokenOrIdentifierObject(pos, end) { - this.pos = pos; - this.end = end; - this.flags = 0; - this.parent = undefined; - } - TokenOrIdentifierObject.prototype.getSourceFile = function () { - return ts.getSourceFileOfNode(this); - }; - TokenOrIdentifierObject.prototype.getStart = function (sourceFile, includeJsDocComment) { - return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); - }; - TokenOrIdentifierObject.prototype.getFullStart = function () { - return this.pos; - }; - TokenOrIdentifierObject.prototype.getEnd = function () { - return this.end; - }; - TokenOrIdentifierObject.prototype.getWidth = function (sourceFile) { - return this.getEnd() - this.getStart(sourceFile); - }; - TokenOrIdentifierObject.prototype.getFullWidth = function () { - return this.end - this.pos; - }; - TokenOrIdentifierObject.prototype.getLeadingTriviaWidth = function (sourceFile) { - return this.getStart(sourceFile) - this.pos; - }; - TokenOrIdentifierObject.prototype.getFullText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); - }; - TokenOrIdentifierObject.prototype.getText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); - }; - TokenOrIdentifierObject.prototype.getChildCount = function () { - return 0; - }; - TokenOrIdentifierObject.prototype.getChildAt = function () { - return undefined; - }; - TokenOrIdentifierObject.prototype.getChildren = function () { - return ts.emptyArray; - }; - TokenOrIdentifierObject.prototype.getFirstToken = function () { - return undefined; - }; - TokenOrIdentifierObject.prototype.getLastToken = function () { - return undefined; - }; - return TokenOrIdentifierObject; - }()); - var SymbolObject = (function () { - function SymbolObject(flags, name) { - this.flags = flags; - this.name = name; - } - SymbolObject.prototype.getFlags = function () { - return this.flags; - }; - SymbolObject.prototype.getName = function () { - return this.name; - }; - SymbolObject.prototype.getDeclarations = function () { - return this.declarations; - }; - SymbolObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = ts.JsDoc.getJsDocCommentsFromDeclarations(this.declarations); - } - return this.documentationComment; - }; - return SymbolObject; - }()); - var TokenObject = (function (_super) { - __extends(TokenObject, _super); - function TokenObject(kind, pos, end) { - var _this = _super.call(this, pos, end) || this; - _this.kind = kind; - return _this; - } - return TokenObject; - }(TokenOrIdentifierObject)); - var IdentifierObject = (function (_super) { - __extends(IdentifierObject, _super); - function IdentifierObject(_kind, pos, end) { - return _super.call(this, pos, end) || this; - } - return IdentifierObject; - }(TokenOrIdentifierObject)); - IdentifierObject.prototype.kind = 70; - var TypeObject = (function () { - function TypeObject(checker, flags) { - this.checker = checker; - this.flags = flags; - } - TypeObject.prototype.getFlags = function () { - return this.flags; - }; - TypeObject.prototype.getSymbol = function () { - return this.symbol; - }; - TypeObject.prototype.getProperties = function () { - return this.checker.getPropertiesOfType(this); - }; - TypeObject.prototype.getProperty = function (propertyName) { - return this.checker.getPropertyOfType(this, propertyName); - }; - TypeObject.prototype.getApparentProperties = function () { - return this.checker.getAugmentedPropertiesOfType(this); - }; - TypeObject.prototype.getCallSignatures = function () { - return this.checker.getSignaturesOfType(this, 0); - }; - TypeObject.prototype.getConstructSignatures = function () { - return this.checker.getSignaturesOfType(this, 1); - }; - TypeObject.prototype.getStringIndexType = function () { - return this.checker.getIndexTypeOfType(this, 0); - }; - TypeObject.prototype.getNumberIndexType = function () { - return this.checker.getIndexTypeOfType(this, 1); - }; - TypeObject.prototype.getBaseTypes = function () { - return this.flags & (32768 | 65536) - ? this.checker.getBaseTypes(this) - : undefined; - }; - TypeObject.prototype.getNonNullableType = function () { - return this.checker.getNonNullableType(this); - }; - return TypeObject; - }()); - var SignatureObject = (function () { - function SignatureObject(checker) { - this.checker = checker; - } - SignatureObject.prototype.getDeclaration = function () { - return this.declaration; - }; - SignatureObject.prototype.getTypeParameters = function () { - return this.typeParameters; - }; - SignatureObject.prototype.getParameters = function () { - return this.parameters; - }; - SignatureObject.prototype.getReturnType = function () { - return this.checker.getReturnTypeOfSignature(this); - }; - SignatureObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = this.declaration ? ts.JsDoc.getJsDocCommentsFromDeclarations([this.declaration]) : []; - } - return this.documentationComment; - }; - return SignatureObject; - }()); - var SourceFileObject = (function (_super) { - __extends(SourceFileObject, _super); - function SourceFileObject(kind, pos, end) { - return _super.call(this, kind, pos, end) || this; - } - SourceFileObject.prototype.update = function (newText, textChangeRange) { - return ts.updateSourceFile(this, newText, textChangeRange); - }; - SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { - return ts.getLineAndCharacterOfPosition(this, position); - }; - SourceFileObject.prototype.getLineStarts = function () { - return ts.getLineStarts(this); - }; - SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { - return ts.getPositionOfLineAndCharacter(this, line, character); - }; - SourceFileObject.prototype.getNamedDeclarations = function () { - if (!this.namedDeclarations) { - this.namedDeclarations = this.computeNamedDeclarations(); } - return this.namedDeclarations; - }; - SourceFileObject.prototype.computeNamedDeclarations = function () { - var result = ts.createMap(); - ts.forEachChild(this, visit); - return result; - function addDeclaration(declaration) { - var name = getDeclarationName(declaration); - if (name) { - ts.multiMapAdd(result, name, declaration); + function trimTrailingWhitespacesForLines(line1, line2, range) { + for (var line = line1; line < line2; line++) { + var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); + var lineEndPosition = ts.getEndLinePosition(line, sourceFile); + if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { + continue; + } + var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); + if (whitespaceStart !== -1) { + ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(whitespaceStart - 1))); + recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + } } } - function getDeclarations(name) { - return result[name] || (result[name] = []); + function getTrailingWhitespaceStartPosition(start, end) { + var pos = end; + while (pos >= start && ts.isWhiteSpaceSingleLine(sourceFile.text.charCodeAt(pos))) { + pos--; + } + if (pos !== end) { + return pos + 1; + } + return -1; } - function getDeclarationName(declaration) { - if (declaration.name) { - var result_6 = getTextOfIdentifierOrLiteral(declaration.name); - if (result_6 !== undefined) { - return result_6; - } - if (declaration.name.kind === 141) { - var expr = declaration.name.expression; - if (expr.kind === 173) { - return expr.name.text; - } - return getTextOfIdentifierOrLiteral(expr); - } + function trimTrailingWhitespacesForRemainingRange() { + var startPosition = previousRange ? previousRange.end : originalRange.pos; + var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; + trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); + } + function newTextChange(start, len, newText) { + return { span: ts.createTextSpan(start, len), newText: newText }; + } + function recordDelete(start, len) { + if (len) { + edits.push(newTextChange(start, len, "")); } - return undefined; } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 70 || - node.kind === 9 || - node.kind === 8) { - return node.text; - } + function recordReplace(start, len, newText) { + if (len || newText) { + edits.push(newTextChange(start, len, newText)); } - return undefined; } - function visit(node) { - switch (node.kind) { - case 221: - case 180: - case 148: - case 147: - var functionDeclaration = node; - var declarationName = getDeclarationName(functionDeclaration); - if (declarationName) { - var declarations = getDeclarations(declarationName); - var lastDeclaration = ts.lastOrUndefined(declarations); - if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { - if (functionDeclaration.body && !lastDeclaration.body) { - declarations[declarations.length - 1] = functionDeclaration; - } - } - else { - declarations.push(functionDeclaration); - } - ts.forEachChild(node, visit); + function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { + switch (rule.Operation.Action) { + case 1: + return; + case 8: + if (previousRange.end !== currentRange.pos) { + recordDelete(previousRange.end, currentRange.pos - previousRange.end); } break; - case 222: - case 193: - case 223: - case 224: - case 225: - case 226: - case 230: - case 239: - case 235: - case 230: - case 232: - case 233: - case 150: - case 151: - case 160: - addDeclaration(node); - ts.forEachChild(node, visit); - break; - case 143: - if (!ts.hasModifier(node, 92)) { - break; + case 4: + if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { + return; } - case 219: - case 170: { - var decl = node; - if (ts.isBindingPattern(decl.name)) { - ts.forEachChild(decl.name, visit); - break; + var lineDelta = currentStartLine - previousStartLine; + if (lineDelta !== 1) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.newLineCharacter); } - if (decl.initializer) - visit(decl.initializer); - } - case 255: - case 146: - case 145: - addDeclaration(node); break; - case 237: - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); + case 2: + if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { + return; } - break; - case 231: - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - addDeclaration(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 233) { - addDeclaration(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } + var posDelta = currentRange.pos - previousRange.end; + if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); } break; - default: - ts.forEachChild(node, visit); } } - }; - return SourceFileObject; - }(NodeObject)); - function getServicesObjectAllocator() { - return { - getNodeConstructor: function () { return NodeObject; }, - getTokenConstructor: function () { return TokenObject; }, - getIdentifierConstructor: function () { return IdentifierObject; }, - getSourceFileConstructor: function () { return SourceFileObject; }, - getSymbolConstructor: function () { return SymbolObject; }, - getTypeConstructor: function () { return TypeObject; }, - getSignatureConstructor: function () { return SignatureObject; }, - }; - } - function toEditorSettings(optionsAsMap) { - var allPropertiesAreCamelCased = true; - for (var key in optionsAsMap) { - if (ts.hasProperty(optionsAsMap, key) && !isCamelCase(key)) { - allPropertiesAreCamelCased = false; - break; - } - } - if (allPropertiesAreCamelCased) { - return optionsAsMap; - } - var settings = {}; - for (var key in optionsAsMap) { - if (ts.hasProperty(optionsAsMap, key)) { - var newKey = isCamelCase(key) ? key : key.charAt(0).toLowerCase() + key.substr(1); - settings[newKey] = optionsAsMap[key]; - } - } - return settings; - } - ts.toEditorSettings = toEditorSettings; - function isCamelCase(s) { - return !s.length || s.charAt(0) === s.charAt(0).toLowerCase(); - } - function displayPartsToString(displayParts) { - if (displayParts) { - return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); - } - return ""; - } - ts.displayPartsToString = displayPartsToString; - function getDefaultCompilerOptions() { - return { - target: 1, - jsx: 1 - }; - } - ts.getDefaultCompilerOptions = getDefaultCompilerOptions; - function getSupportedCodeFixes() { - return ts.codefix.getSupportedErrorCodes(); - } - ts.getSupportedCodeFixes = getSupportedCodeFixes; - var HostCache = (function () { - function HostCache(host, getCanonicalFileName) { - this.host = host; - this.getCanonicalFileName = getCanonicalFileName; - this.currentDirectory = host.getCurrentDirectory(); - this.fileNameToEntry = ts.createFileMap(); - var rootFileNames = host.getScriptFileNames(); - for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { - var fileName = rootFileNames_1[_i]; - this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); - } - this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); - } - HostCache.prototype.compilationSettings = function () { - return this._compilationSettings; - }; - HostCache.prototype.createEntry = function (fileName, path) { - var entry; - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (scriptSnapshot) { - entry = { - hostFileName: fileName, - version: this.host.getScriptVersion(fileName), - scriptSnapshot: scriptSnapshot, - scriptKind: ts.getScriptKind(fileName, this.host) - }; - } - this.fileNameToEntry.set(path, entry); - return entry; - }; - HostCache.prototype.getEntry = function (path) { - return this.fileNameToEntry.get(path); - }; - HostCache.prototype.contains = function (path) { - return this.fileNameToEntry.contains(path); - }; - HostCache.prototype.getOrCreateEntry = function (fileName) { - var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); - return this.getOrCreateEntryByPath(fileName, path); - }; - HostCache.prototype.getOrCreateEntryByPath = function (fileName, path) { - return this.contains(path) - ? this.getEntry(path) - : this.createEntry(fileName, path); - }; - HostCache.prototype.getRootFileNames = function () { - var fileNames = []; - this.fileNameToEntry.forEachValue(function (_path, value) { - if (value) { - fileNames.push(value.hostFileName); - } - }); - return fileNames; - }; - HostCache.prototype.getVersion = function (path) { - var file = this.getEntry(path); - return file && file.version; - }; - HostCache.prototype.getScriptSnapshot = function (path) { - var file = this.getEntry(path); - return file && file.scriptSnapshot; - }; - return HostCache; - }()); - var SyntaxTreeCache = (function () { - function SyntaxTreeCache(host) { - this.host = host; } - SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (!scriptSnapshot) { - throw new Error("Could not find file: '" + fileName + "'."); - } - var scriptKind = ts.getScriptKind(fileName, this.host); - var version = this.host.getScriptVersion(fileName); - var sourceFile; - if (this.currentFileName !== fileName) { - sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 4, version, true, scriptKind); - } - else if (this.currentFileVersion !== version) { - var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); - sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); - } - if (sourceFile) { - this.currentFileVersion = version; - this.currentFileName = fileName; - this.currentFileScriptSnapshot = scriptSnapshot; - this.currentSourceFile = sourceFile; - } - return this.currentSourceFile; - }; - return SyntaxTreeCache; - }()); - function setSourceFileFields(sourceFile, scriptSnapshot, version) { - sourceFile.version = version; - sourceFile.scriptSnapshot = scriptSnapshot; - } - function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents, scriptKind) { - var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); - var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents, scriptKind); - setSourceFileFields(sourceFile, scriptSnapshot, version); - return sourceFile; - } - ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; - ts.disableIncrementalParsing = false; - function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { - if (textChangeRange) { - if (version !== sourceFile.version) { - if (!ts.disableIncrementalParsing) { - var newText = void 0; - var prefix = textChangeRange.span.start !== 0 - ? sourceFile.text.substr(0, textChangeRange.span.start) - : ""; - var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length - ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) - : ""; - if (textChangeRange.newLength === 0) { - newText = prefix && suffix ? prefix + suffix : prefix || suffix; + function getOpenTokenForList(node, list) { + switch (node.kind) { + case 149: + case 221: + case 180: + case 148: + case 147: + case 181: + if (node.typeParameters === list) { + return 26; } - else { - var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); - newText = prefix && suffix - ? prefix + changedText + suffix - : prefix - ? (prefix + changedText) - : (changedText + suffix); + else if (node.parameters === list) { + return 18; } - var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - setSourceFileFields(newSourceFile, scriptSnapshot, version); - newSourceFile.nameTable = undefined; - if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { - if (sourceFile.scriptSnapshot.dispose) { - sourceFile.scriptSnapshot.dispose(); - } - sourceFile.scriptSnapshot = undefined; + break; + case 175: + case 176: + if (node.typeArguments === list) { + return 26; + } + else if (node.arguments === list) { + return 18; + } + break; + case 156: + if (node.typeArguments === list) { + return 26; } - return newSourceFile; - } - } - } - return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, true, sourceFile.scriptKind); - } - ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; - var CancellationTokenObject = (function () { - function CancellationTokenObject(cancellationToken) { - this.cancellationToken = cancellationToken; - } - CancellationTokenObject.prototype.isCancellationRequested = function () { - return this.cancellationToken && this.cancellationToken.isCancellationRequested(); - }; - CancellationTokenObject.prototype.throwIfCancellationRequested = function () { - if (this.isCancellationRequested()) { - throw new ts.OperationCanceledException(); - } - }; - return CancellationTokenObject; - }()); - function createLanguageService(host, documentRegistry) { - if (documentRegistry === void 0) { documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } - var syntaxTreeCache = new SyntaxTreeCache(host); - var ruleProvider; - var program; - var lastProjectVersion; - var lastTypesRootVersion = 0; - var useCaseSensitivefileNames = host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(); - var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); - var currentDirectory = host.getCurrentDirectory(); - if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { - ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); - } - function log(message) { - if (host.log) { - host.log(message); } + return 0; } - var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); - function getValidSourceFile(fileName) { - var sourceFile = program.getSourceFile(fileName); - if (!sourceFile) { - throw new Error("Could not find file: '" + fileName + "'."); + function getCloseTokenForOpenToken(kind) { + switch (kind) { + case 18: + return 19; + case 26: + return 28; } - return sourceFile; + return 0; } - function getRuleProvider(options) { - if (!ruleProvider) { - ruleProvider = new ts.formatting.RulesProvider(); + var internedSizes; + var internedTabsIndentation; + var internedSpacesIndentation; + function getIndentationString(indentation, options) { + var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.tabSize || internedSizes.indentSize !== options.indentSize); + if (resetInternedStrings) { + internedSizes = { tabSize: options.tabSize, indentSize: options.indentSize }; + internedTabsIndentation = internedSpacesIndentation = undefined; } - ruleProvider.ensureUpToDate(options); - return ruleProvider; - } - function synchronizeHostData() { - if (host.getProjectVersion) { - var hostProjectVersion = host.getProjectVersion(); - if (hostProjectVersion) { - if (lastProjectVersion === hostProjectVersion) { - return; - } - lastProjectVersion = hostProjectVersion; + if (!options.convertTabsToSpaces) { + var tabs = Math.floor(indentation / options.tabSize); + var spaces = indentation - tabs * options.tabSize; + var tabString = void 0; + if (!internedTabsIndentation) { + internedTabsIndentation = []; } + if (internedTabsIndentation[tabs] === undefined) { + internedTabsIndentation[tabs] = tabString = repeat("\t", tabs); + } + else { + tabString = internedTabsIndentation[tabs]; + } + return spaces ? tabString + repeat(" ", spaces) : tabString; } - var typeRootsVersion = host.getTypeRootsVersion ? host.getTypeRootsVersion() : 0; - if (lastTypesRootVersion !== typeRootsVersion) { - log("TypeRoots version has changed; provide new program"); - program = undefined; - lastTypesRootVersion = typeRootsVersion; + else { + var spacesString = void 0; + var quotient = Math.floor(indentation / options.indentSize); + var remainder = indentation % options.indentSize; + if (!internedSpacesIndentation) { + internedSpacesIndentation = []; + } + if (internedSpacesIndentation[quotient] === undefined) { + spacesString = repeat(" ", options.indentSize * quotient); + internedSpacesIndentation[quotient] = spacesString; + } + else { + spacesString = internedSpacesIndentation[quotient]; + } + return remainder ? spacesString + repeat(" ", remainder) : spacesString; } - var hostCache = new HostCache(host, getCanonicalFileName); - if (programUpToDate()) { - return; + function repeat(value, count) { + var s = ""; + for (var i = 0; i < count; i++) { + s += value; + } + return s; } - var oldSettings = program && program.getCompilerOptions(); - var newSettings = hostCache.compilationSettings(); - var shouldCreateNewSourceFiles = oldSettings && - (oldSettings.target !== newSettings.target || - oldSettings.module !== newSettings.module || - oldSettings.moduleResolution !== newSettings.moduleResolution || - oldSettings.noResolve !== newSettings.noResolve || - oldSettings.jsx !== newSettings.jsx || - oldSettings.allowJs !== newSettings.allowJs || - oldSettings.disableSizeLimit !== oldSettings.disableSizeLimit || - oldSettings.baseUrl !== newSettings.baseUrl || - !ts.equalOwnProperties(oldSettings.paths, newSettings.paths)); - var compilerHost = { - getSourceFile: getOrCreateSourceFile, - getSourceFileByPath: getOrCreateSourceFileByPath, - getCancellationToken: function () { return cancellationToken; }, - getCanonicalFileName: getCanonicalFileName, - useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, - getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, - getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, - writeFile: function () { }, - getCurrentDirectory: function () { return currentDirectory; }, - fileExists: function (fileName) { - return hostCache.getOrCreateEntry(fileName) !== undefined; - }, - readFile: function (fileName) { - var entry = hostCache.getOrCreateEntry(fileName); - return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); - }, - directoryExists: function (directoryName) { - return ts.directoryProbablyExists(directoryName, host); - }, - getDirectories: function (path) { - return host.getDirectories ? host.getDirectories(path) : []; + } + formatting.getIndentationString = getIndentationString; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var SmartIndenter; + (function (SmartIndenter) { + function getIndentation(position, sourceFile, options) { + if (position > sourceFile.text.length) { + return getBaseIndentation(options); + } + if (options.indentStyle === ts.IndentStyle.None) { + return 0; + } + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken) { + return getBaseIndentation(options); + } + var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); + if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { + return 0; + } + var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (options.indentStyle === ts.IndentStyle.Block) { + var current_1 = position; + while (current_1 > 0) { + var char = sourceFile.text.charCodeAt(current_1); + if (!ts.isWhiteSpace(char)) { + break; + } + current_1--; + } + var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); + return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); } - }; - if (host.trace) { - compilerHost.trace = function (message) { return host.trace(message); }; + if (precedingToken.kind === 25 && precedingToken.parent.kind !== 188) { + var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation; + } + } + var previous; + var current = precedingToken; + var currentStart; + var indentationDelta; + while (current) { + if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { + currentStart = getStartLineAndCharacterForNode(current, sourceFile); + if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { + indentationDelta = 0; + } + else { + indentationDelta = lineAtPosition !== currentStart.line ? options.indentSize : 0; + } + break; + } + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + options.indentSize; + } + previous = current; + current = current.parent; + } + if (!current) { + return getBaseIndentation(options); + } + return getIndentationForNodeWorker(current, currentStart, undefined, indentationDelta, sourceFile, options); } - if (host.resolveModuleNames) { - compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; + SmartIndenter.getIndentation = getIndentation; + function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { + var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, 0, sourceFile, options); } - if (host.resolveTypeReferenceDirectives) { - compilerHost.resolveTypeReferenceDirectives = function (typeReferenceDirectiveNames, containingFile) { - return host.resolveTypeReferenceDirectives(typeReferenceDirectiveNames, containingFile); - }; + SmartIndenter.getIndentationForNode = getIndentationForNode; + function getBaseIndentation(options) { + return options.baseIndentSize || 0; } - var documentRegistryBucketKey = documentRegistry.getKeyForCompilationSettings(newSettings); - var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); - if (program) { - var oldSourceFiles = program.getSourceFiles(); - var oldSettingsKey = documentRegistry.getKeyForCompilationSettings(oldSettings); - for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { - var oldSourceFile = oldSourceFiles_1[_i]; - if (!newProgram.getSourceFile(oldSourceFile.fileName) || shouldCreateNewSourceFiles) { - documentRegistry.releaseDocumentWithKey(oldSourceFile.path, oldSettingsKey); + SmartIndenter.getBaseIndentation = getBaseIndentation; + function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { + var parent = current.parent; + var parentStart; + while (parent) { + var useActualIndentation = true; + if (ignoreActualIndentationRange) { + var start = current.getStart(sourceFile); + useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + } + if (useActualIndentation) { + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + } + parentStart = getParentStart(parent, current, sourceFile); + var parentAndChildShareLine = parentStart.line === currentStart.line || + childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); + if (useActualIndentation) { + var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + } + if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { + indentationDelta += options.indentSize; } + current = parent; + currentStart = parentStart; + parent = current.parent; } + return indentationDelta + getBaseIndentation(options); } - hostCache = undefined; - program = newProgram; - program.getTypeChecker(); - return; - function getOrCreateSourceFile(fileName) { - return getOrCreateSourceFileByPath(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + function getParentStart(parent, child, sourceFile) { + var containingList = getContainingList(child, sourceFile); + if (containingList) { + return sourceFile.getLineAndCharacterOfPosition(containingList.pos); + } + return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); } - function getOrCreateSourceFileByPath(fileName, path) { - ts.Debug.assert(hostCache !== undefined); - var hostFileInformation = hostCache.getOrCreateEntryByPath(fileName, path); - if (!hostFileInformation) { - return undefined; + function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { + var commaItemInfo = ts.findListItemInfo(commaToken); + if (commaItemInfo && commaItemInfo.listItemIndex > 0) { + return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); } - if (!shouldCreateNewSourceFiles) { - var oldSourceFile = program && program.getSourceFileByPath(path); - if (oldSourceFile) { - ts.Debug.assert(hostFileInformation.scriptKind === oldSourceFile.scriptKind, "Registered script kind (" + oldSourceFile.scriptKind + ") should match new script kind (" + hostFileInformation.scriptKind + ") for file: " + path); - return documentRegistry.updateDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); - } + else { + return -1; } - return documentRegistry.acquireDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); } - function sourceFileUpToDate(sourceFile) { - if (!sourceFile) { - return false; + function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { + var useActualIndentation = (ts.isDeclaration(current) || ts.isStatementButNotDeclaration(current)) && + (parent.kind === 256 || !parentAndChildShareLine); + if (!useActualIndentation) { + return -1; } - var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); - return sourceFile.version === hostCache.getVersion(path); + return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); } - function programUpToDate() { - if (!program) { + function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { + var nextToken = ts.findNextToken(precedingToken, current); + if (!nextToken) { return false; } - var rootFileNames = hostCache.getRootFileNames(); - if (program.getSourceFiles().length !== rootFileNames.length) { - return false; + if (nextToken.kind === 16) { + return true; } - for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { - var fileName = rootFileNames_2[_i]; - if (!sourceFileUpToDate(program.getSourceFile(fileName))) { - return false; - } + else if (nextToken.kind === 17) { + var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; + return lineAtPosition === nextTokenStartLine; } - return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); - } - } - function getProgram() { - synchronizeHostData(); - return program; - } - function cleanupSemanticCache() { - } - function dispose() { - if (program) { - ts.forEach(program.getSourceFiles(), function (f) { - return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); - }); - } - } - function getSyntacticDiagnostics(fileName) { - synchronizeHostData(); - return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); - } - function getSemanticDiagnostics(fileName) { - synchronizeHostData(); - var targetSourceFile = getValidSourceFile(fileName); - var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); - if (!program.getCompilerOptions().declaration) { - return semanticDiagnostics; + return false; } - var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); - return ts.concatenate(semanticDiagnostics, declarationDiagnostics); - } - function getCompilerOptionsDiagnostics() { - synchronizeHostData(); - return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); - } - function getCompletionsAtPosition(fileName, position) { - synchronizeHostData(); - return ts.Completions.getCompletionsAtPosition(host, program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position); - } - function getCompletionEntryDetails(fileName, position, entryName) { - synchronizeHostData(); - return ts.Completions.getCompletionEntryDetails(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); - } - function getCompletionEntrySymbol(fileName, position, entryName) { - synchronizeHostData(); - return ts.Completions.getCompletionEntrySymbol(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); - } - function getQuickInfoAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (node === sourceFile) { - return undefined; + function getStartLineAndCharacterForNode(n, sourceFile) { + return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); } - if (ts.isLabelName(node)) { - return undefined; + function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { + if (parent.kind === 204 && parent.elseStatement === child) { + var elseKeyword = ts.findChildOfKind(parent, 81, sourceFile); + ts.Debug.assert(elseKeyword !== undefined); + var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; + return elseKeywordStartLine === childStartLine; + } + return false; } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol || typeChecker.isUnknownSymbol(symbol)) { - switch (node.kind) { - case 70: - case 173: - case 140: - case 98: - case 166: - case 96: - var type = typeChecker.getTypeAtLocation(node); - if (type) { - return { - kind: ts.ScriptElementKind.unknown, - kindModifiers: ts.ScriptElementKindModifier.none, - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: ts.typeToDisplayParts(typeChecker, type, ts.getContainerNode(node)), - documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined - }; + SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; + function getContainingList(node, sourceFile) { + if (node.parent) { + switch (node.parent.kind) { + case 156: + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { + return node.parent.typeArguments; + } + break; + case 172: + return node.parent.properties; + case 171: + return node.parent.elements; + case 221: + case 180: + case 181: + case 148: + case 147: + case 152: + case 153: { + var start = node.getStart(sourceFile); + if (node.parent.typeParameters && + ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { + return node.parent.typeParameters; + } + if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { + return node.parent.parameters; + } + break; + } + case 176: + case 175: { + var start = node.getStart(sourceFile); + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { + return node.parent.typeArguments; + } + if (node.parent.arguments && + ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { + return node.parent.arguments; + } + break; } + } } return undefined; } - var displayPartsDocumentationsAndKind = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, ts.getContainerNode(node), node); - return { - kind: displayPartsDocumentationsAndKind.symbolKind, - kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: displayPartsDocumentationsAndKind.displayParts, - documentation: displayPartsDocumentationsAndKind.documentation - }; - } - function getDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - return ts.GoToDefinition.getDefinitionAtPosition(program, getValidSourceFile(fileName), position); - } - function getImplementationAtPosition(fileName, position) { - synchronizeHostData(); - return ts.GoToImplementation.getImplementationAtPosition(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), ts.getTouchingPropertyName(getValidSourceFile(fileName), position)); - } - function getTypeDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - return ts.GoToDefinition.getTypeDefinitionAtPosition(program.getTypeChecker(), getValidSourceFile(fileName), position); - } - function getOccurrencesAtPosition(fileName, position) { - var results = getOccurrencesAtPositionCore(fileName, position); - if (results) { - var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); - results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); - } - return results; - } - function getDocumentHighlights(fileName, position, filesToSearch) { - synchronizeHostData(); - var sourceFilesToSearch = ts.map(filesToSearch, function (f) { return program.getSourceFile(f); }); - var sourceFile = getValidSourceFile(fileName); - return ts.DocumentHighlights.getDocumentHighlights(program.getTypeChecker(), cancellationToken, sourceFile, position, sourceFilesToSearch); - } - function getOccurrencesAtPositionCore(fileName, position) { - synchronizeHostData(); - return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); - function convertDocumentHighlights(documentHighlights) { - if (!documentHighlights) { - return undefined; - } - var result = []; - for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { - var entry = documentHighlights_1[_i]; - for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { - var highlightSpan = _b[_a]; - result.push({ - fileName: entry.fileName, - textSpan: highlightSpan.textSpan, - isWriteAccess: highlightSpan.kind === ts.HighlightSpanKind.writtenReference, - isDefinition: false - }); - } + function getActualIndentationForListItem(node, sourceFile, options) { + var containingList = getContainingList(node, sourceFile); + return containingList ? getActualIndentationFromList(containingList) : -1; + function getActualIndentationFromList(list) { + var index = ts.indexOf(list, node); + return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1; } - return result; - } - } - function findRenameLocations(fileName, position, findInStrings, findInComments) { - var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); - return ts.FindAllReferences.convertReferences(referencedSymbols); - } - function getReferencesAtPosition(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, false, false); - return ts.FindAllReferences.convertReferences(referencedSymbols); - } - function findReferences(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, false, false); - return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); - } - function findReferencedSymbols(fileName, position, findInStrings, findInComments) { - synchronizeHostData(); - return ts.FindAllReferences.findReferencedSymbols(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position, findInStrings, findInComments); - } - function getNavigateToItems(searchValue, maxResultCount, fileName, excludeDtsFiles) { - synchronizeHostData(); - var sourceFiles = fileName ? [getValidSourceFile(fileName)] : program.getSourceFiles(); - return ts.NavigateTo.getNavigateToItems(sourceFiles, program.getTypeChecker(), cancellationToken, searchValue, maxResultCount, excludeDtsFiles); - } - function getEmitOutput(fileName, emitOnlyDtsFiles) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var outputFiles = []; - function writeFile(fileName, data, writeByteOrderMark) { - outputFiles.push({ - name: fileName, - writeByteOrderMark: writeByteOrderMark, - text: data - }); - } - var emitOutput = program.emit(sourceFile, writeFile, cancellationToken, emitOnlyDtsFiles); - return { - outputFiles: outputFiles, - emitSkipped: emitOutput.emitSkipped - }; - } - function getSignatureHelpItems(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); - } - function getNonBoundSourceFile(fileName) { - return syntaxTreeCache.getCurrentSourceFile(fileName); - } - function getSourceFile(fileName) { - return getNonBoundSourceFile(fileName); - } - function getNameOrDottedNameSpan(fileName, startPos, _endPos) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, startPos); - if (node === sourceFile) { - return; - } - switch (node.kind) { - case 173: - case 140: - case 9: - case 85: - case 100: - case 94: - case 96: - case 98: - case 166: - case 70: - break; - default: - return; } - var nodeForStartPos = node; - while (true) { - if (ts.isRightSideOfPropertyAccess(nodeForStartPos) || ts.isRightSideOfQualifiedName(nodeForStartPos)) { - nodeForStartPos = nodeForStartPos.parent; + function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { + if (node.kind === 19) { + return -1; } - else if (ts.isNameOfModuleDeclaration(nodeForStartPos)) { - if (nodeForStartPos.parent.parent.kind === 226 && - nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { - nodeForStartPos = nodeForStartPos.parent.parent.name; + if (node.parent && (node.parent.kind === 175 || + node.parent.kind === 176) && + node.parent.expression !== node) { + var fullCallOrNewExpression = node.parent.expression; + var startingExpression = getStartingExpression(fullCallOrNewExpression); + if (fullCallOrNewExpression === startingExpression) { + return -1; } - else { - break; + var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); + var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); + if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { + return -1; } + return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); } - else { - break; - } - } - return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); - } - function getBreakpointStatementAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); - } - function getNavigationBarItems(fileName) { - return ts.NavigationBar.getNavigationBarItems(syntaxTreeCache.getCurrentSourceFile(fileName)); - } - function getNavigationTree(fileName) { - return ts.NavigationBar.getNavigationTree(syntaxTreeCache.getCurrentSourceFile(fileName)); - } - function isTsOrTsxFile(fileName) { - var kind = ts.getScriptKind(fileName, host); - return kind === 3 || kind === 4; - } - function getSemanticClassifications(fileName, span) { - if (!isTsOrTsxFile(fileName)) { - return []; - } - synchronizeHostData(); - return ts.getSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); - } - function getEncodedSemanticClassifications(fileName, span) { - if (!isTsOrTsxFile(fileName)) { - return { spans: [], endOfLineState: 0 }; - } - synchronizeHostData(); - return ts.getEncodedSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); - } - function getSyntacticClassifications(fileName, span) { - return ts.getSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); - } - function getEncodedSyntacticClassifications(fileName, span) { - return ts.getEncodedSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); - } - function getOutliningSpans(fileName) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.OutliningElementsCollector.collectElements(sourceFile); - } - function getBraceMatchingAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var result = []; - var token = ts.getTouchingToken(sourceFile, position); - if (token.getStart(sourceFile) === position) { - var matchKind = getMatchingTokenKind(token); - if (matchKind) { - var parentElement = token.parent; - var childNodes = parentElement.getChildren(sourceFile); - for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { - var current = childNodes_1[_i]; - if (current.kind === matchKind) { - var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); - var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); - if (range1.start < range2.start) { - result.push(range1, range2); - } - else { - result.push(range2, range1); - } - break; + return -1; + function getStartingExpression(node) { + while (true) { + switch (node.kind) { + case 175: + case 176: + case 173: + case 174: + node = node.expression; + break; + default: + return node; } } } } - return result; - function getMatchingTokenKind(token) { - switch (token.kind) { - case 16: return 17; - case 18: return 19; - case 20: return 21; - case 26: return 28; - case 17: return 16; - case 19: return 18; - case 21: return 20; - case 28: return 26; - } - return undefined; - } - } - function getIndentationAtPosition(fileName, position, editorOptions) { - var start = ts.timestamp(); - var settings = toEditorSettings(editorOptions); - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - log("getIndentationAtPosition: getCurrentSourceFile: " + (ts.timestamp() - start)); - start = ts.timestamp(); - var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, settings); - log("getIndentationAtPosition: computeIndentation : " + (ts.timestamp() - start)); - return result; - } - function getFormattingEditsForRange(fileName, start, end, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var settings = toEditorSettings(options); - return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(settings), settings); - } - function getFormattingEditsForDocument(fileName, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var settings = toEditorSettings(options); - return ts.formatting.formatDocument(sourceFile, getRuleProvider(settings), settings); - } - function getFormattingEditsAfterKeystroke(fileName, position, key, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var settings = toEditorSettings(options); - if (key === "}") { - return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(settings), settings); - } - else if (key === ";") { - return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(settings), settings); - } - else if (key === "\n") { - return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(settings), settings); - } - return []; - } - function getCodeFixesAtPosition(fileName, start, end, errorCodes) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var span = { start: start, length: end - start }; - var newLineChar = ts.getNewLineOrDefaultFromHost(host); - var allFixes = []; - ts.forEach(errorCodes, function (error) { - cancellationToken.throwIfCancellationRequested(); - var context = { - errorCode: error, - sourceFile: sourceFile, - span: span, - program: program, - newLineCharacter: newLineChar - }; - var fixes = ts.codefix.getFixes(context); - if (fixes) { - allFixes = allFixes.concat(fixes); + function deriveActualIndentationFromList(list, index, sourceFile, options) { + ts.Debug.assert(index >= 0 && index < list.length); + var node = list[index]; + var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); + for (var i = index - 1; i >= 0; i--) { + if (list[i].kind === 25) { + continue; + } + var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; + if (prevEndLine !== lineAndCharacter.line) { + return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + } + lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); } - }); - return allFixes; - } - function getDocCommentTemplateAtPosition(fileName, position) { - return ts.JsDoc.getDocCommentTemplateAtPosition(ts.getNewLineOrDefaultFromHost(host), syntaxTreeCache.getCurrentSourceFile(fileName), position); - } - function isValidBraceCompletionAtPosition(fileName, position, openingBrace) { - if (openingBrace === 60) { - return false; - } - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position)) { - return false; - } - if (ts.isInsideJsxElementOrAttribute(sourceFile, position)) { - return openingBrace === 123; + return -1; } - if (ts.isInTemplateString(sourceFile, position)) { - return false; + function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { + var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); + return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); } - return true; - } - function getTodoComments(fileName, descriptors) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - cancellationToken.throwIfCancellationRequested(); - var fileContents = sourceFile.text; - var result = []; - if (descriptors.length > 0) { - var regExp = getTodoCommentsRegExp(); - var matchArray = void 0; - while (matchArray = regExp.exec(fileContents)) { - cancellationToken.throwIfCancellationRequested(); - var firstDescriptorCaptureIndex = 3; - ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); - var preamble = matchArray[1]; - var matchPosition = matchArray.index + preamble.length; - var token = ts.getTokenAtPosition(sourceFile, matchPosition); - if (!ts.isInsideComment(sourceFile, token, matchPosition)) { - continue; + function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { + var character = 0; + var column = 0; + for (var pos = startPos; pos < endPos; pos++) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpaceSingleLine(ch)) { + break; } - var descriptor = undefined; - for (var i = 0, n = descriptors.length; i < n; i++) { - if (matchArray[i + firstDescriptorCaptureIndex]) { - descriptor = descriptors[i]; - } + if (ch === 9) { + column += options.tabSize + (column % options.tabSize); } - ts.Debug.assert(descriptor !== undefined); - if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { - continue; + else { + column++; } - var message = matchArray[2]; - result.push({ - descriptor: descriptor, - message: message, - position: matchPosition - }); + character++; } + return { column: column, character: character }; } - return result; - function escapeRegExp(str) { - return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; + function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { + return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; } - function getTodoCommentsRegExp() { - var singleLineCommentStart = /(?:\/\/+\s*)/.source; - var multiLineCommentStart = /(?:\/\*+\s*)/.source; - var anyNumberOfSpacesAndAsterisksAtStartOfLine = /(?:^(?:\s|\*)*)/.source; - var preamble = "(" + anyNumberOfSpacesAndAsterisksAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; - var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; - var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; - var messageRemainder = /(?:.*?)/.source; - var messagePortion = "(" + literals + messageRemainder + ")"; - var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; - return new RegExp(regExpString, "gim"); + SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; + function nodeContentIsAlwaysIndented(kind) { + switch (kind) { + case 203: + case 222: + case 193: + case 223: + case 225: + case 224: + case 171: + case 200: + case 227: + case 172: + case 160: + case 162: + case 228: + case 250: + case 249: + case 179: + case 173: + case 175: + case 176: + case 201: + case 219: + case 236: + case 212: + case 189: + case 169: + case 168: + case 244: + case 243: + case 248: + case 147: + case 152: + case 153: + case 143: + case 157: + case 158: + case 165: + case 177: + case 185: + case 238: + case 234: + case 239: + case 235: + return true; + } + return false; } - function isLetterOrDigit(char) { - return (char >= 97 && char <= 122) || - (char >= 65 && char <= 90) || - (char >= 48 && char <= 57); + function nodeWillIndentChild(parent, child, indentByDefault) { + var childKind = child ? child.kind : 0; + switch (parent.kind) { + case 205: + case 206: + case 208: + case 209: + case 207: + case 204: + case 221: + case 180: + case 148: + case 181: + case 149: + case 150: + case 151: + return childKind !== 200; + case 237: + return childKind !== 238; + case 231: + return childKind !== 232 || + (child.namedBindings && child.namedBindings.kind !== 234); + case 242: + return childKind !== 245; + } + return indentByDefault; + } + SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; + function shouldIndentChildNode(parent, child) { + return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); } + SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; + })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var codefix; + (function (codefix) { + var codeFixes = ts.createMap(); + function registerCodeFix(action) { + ts.forEach(action.errorCodes, function (error) { + var fixes = codeFixes[error]; + if (!fixes) { + fixes = []; + codeFixes[error] = fixes; + } + fixes.push(action); + }); } - function getRenameInfo(fileName, position) { - synchronizeHostData(); - var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); - return ts.Rename.getRenameInfo(program.getTypeChecker(), defaultLibFileName, getCanonicalFileName, getValidSourceFile(fileName), position); + codefix.registerCodeFix = registerCodeFix; + function getSupportedErrorCodes() { + return Object.keys(codeFixes); } - return { - dispose: dispose, - cleanupSemanticCache: cleanupSemanticCache, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, - getSyntacticClassifications: getSyntacticClassifications, - getSemanticClassifications: getSemanticClassifications, - getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, - getEncodedSemanticClassifications: getEncodedSemanticClassifications, - getCompletionsAtPosition: getCompletionsAtPosition, - getCompletionEntryDetails: getCompletionEntryDetails, - getCompletionEntrySymbol: getCompletionEntrySymbol, - getSignatureHelpItems: getSignatureHelpItems, - getQuickInfoAtPosition: getQuickInfoAtPosition, - getDefinitionAtPosition: getDefinitionAtPosition, - getImplementationAtPosition: getImplementationAtPosition, - getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, - getReferencesAtPosition: getReferencesAtPosition, - findReferences: findReferences, - getOccurrencesAtPosition: getOccurrencesAtPosition, - getDocumentHighlights: getDocumentHighlights, - getNameOrDottedNameSpan: getNameOrDottedNameSpan, - getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, - getNavigateToItems: getNavigateToItems, - getRenameInfo: getRenameInfo, - findRenameLocations: findRenameLocations, - getNavigationBarItems: getNavigationBarItems, - getNavigationTree: getNavigationTree, - getOutliningSpans: getOutliningSpans, - getTodoComments: getTodoComments, - getBraceMatchingAtPosition: getBraceMatchingAtPosition, - getIndentationAtPosition: getIndentationAtPosition, - getFormattingEditsForRange: getFormattingEditsForRange, - getFormattingEditsForDocument: getFormattingEditsForDocument, - getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, - getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, - isValidBraceCompletionAtPosition: isValidBraceCompletionAtPosition, - getCodeFixesAtPosition: getCodeFixesAtPosition, - getEmitOutput: getEmitOutput, - getNonBoundSourceFile: getNonBoundSourceFile, - getSourceFile: getSourceFile, - getProgram: getProgram - }; - } - ts.createLanguageService = createLanguageService; - function getNameTable(sourceFile) { - if (!sourceFile.nameTable) { - initializeNameTable(sourceFile); + codefix.getSupportedErrorCodes = getSupportedErrorCodes; + function getFixes(context) { + var fixes = codeFixes[context.errorCode]; + var allActions = []; + ts.forEach(fixes, function (f) { + var actions = f.getCodeActions(context); + if (actions && actions.length > 0) { + allActions = allActions.concat(actions); + } + }); + return allActions; } - return sourceFile.nameTable; - } - ts.getNameTable = getNameTable; - function initializeNameTable(sourceFile) { - var nameTable = ts.createMap(); - walk(sourceFile); - sourceFile.nameTable = nameTable; - function walk(node) { - switch (node.kind) { - case 70: - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - break; - case 9: - case 8: - if (ts.isDeclarationName(node) || - node.parent.kind === 241 || - isArgumentOfElementAccessExpression(node) || - ts.isLiteralComputedPropertyDeclarationName(node)) { - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - } - break; - default: - ts.forEachChild(node, walk); - if (node.jsDocComments) { - for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { - var jsDocComment = _a[_i]; - ts.forEachChild(jsDocComment, walk); + codefix.getFixes = getFixes; + })(codefix = ts.codefix || (ts.codefix = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var codefix; + (function (codefix) { + function getOpenBraceEnd(constructor, sourceFile) { + return constructor.body.getFirstToken(sourceFile).getEnd(); + } + codefix.registerCodeFix({ + errorCodes: [ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call.code], + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var token = ts.getTokenAtPosition(sourceFile, context.span.start); + if (token.kind !== 122) { + return undefined; + } + var newPosition = getOpenBraceEnd(token.parent, sourceFile); + return [{ + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Add_missing_super_call), + changes: [{ fileName: sourceFile.fileName, textChanges: [{ newText: "super();", span: { start: newPosition, length: 0 } }] }] + }]; + } + }); + codefix.registerCodeFix({ + errorCodes: [ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class.code], + getCodeActions: function (context) { + var sourceFile = context.sourceFile; + var token = ts.getTokenAtPosition(sourceFile, context.span.start); + if (token.kind !== 98) { + return undefined; + } + var constructor = ts.getContainingFunction(token); + var superCall = findSuperCall(constructor.body); + if (!superCall) { + return undefined; + } + if (superCall.expression && superCall.expression.kind == 175) { + var arguments_1 = superCall.expression.arguments; + for (var i = 0; i < arguments_1.length; i++) { + if (arguments_1[i].expression === token) { + return undefined; } } + } + var newPosition = getOpenBraceEnd(constructor, sourceFile); + var changes = [{ + fileName: sourceFile.fileName, textChanges: [{ + newText: superCall.getText(sourceFile), + span: { start: newPosition, length: 0 } + }, + { + newText: "", + span: { start: superCall.getStart(sourceFile), length: superCall.getWidth(sourceFile) } + }] + }]; + return [{ + description: ts.getLocaleSpecificMessage(ts.Diagnostics.Make_super_call_the_first_statement_in_the_constructor), + changes: changes + }]; + function findSuperCall(n) { + if (n.kind === 203 && ts.isSuperCall(n.expression)) { + return n; + } + if (ts.isFunctionLike(n)) { + return undefined; + } + return ts.forEachChild(n, findSuperCall); + } } - } - } - function isArgumentOfElementAccessExpression(node) { - return node && - node.parent && - node.parent.kind === 174 && - node.parent.argumentExpression === node; - } - function getDefaultLibFilePath(options) { - if (typeof __dirname !== "undefined") { - return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); - } - throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); - } - ts.getDefaultLibFilePath = getDefaultLibFilePath; - function initializeServices() { - ts.objectAllocator = getServicesObjectAllocator(); - } - initializeServices(); + }); + })(codefix = ts.codefix || (ts.codefix = {})); })(ts || (ts = {})); -var debugObjectHost = (function () { return this; })(); var ts; (function (ts) { - function logInternalError(logger, err) { - if (logger) { - logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); - } + ts.servicesVersion = "0.5"; + function createNode(kind, pos, end, parent) { + var node = kind >= 140 ? new NodeObject(kind, pos, end) : + kind === 70 ? new IdentifierObject(70, pos, end) : + new TokenObject(kind, pos, end); + node.parent = parent; + return node; } - var ScriptSnapshotShimAdapter = (function () { - function ScriptSnapshotShimAdapter(scriptSnapshotShim) { - this.scriptSnapshotShim = scriptSnapshotShim; + var NodeObject = (function () { + function NodeObject(kind, pos, end) { + this.pos = pos; + this.end = end; + this.flags = 0; + this.transformFlags = undefined; + this.excludeTransformFlags = undefined; + this.parent = undefined; + this.kind = kind; } - ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { - return this.scriptSnapshotShim.getText(start, end); + NodeObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); }; - ScriptSnapshotShimAdapter.prototype.getLength = function () { - return this.scriptSnapshotShim.getLength(); + NodeObject.prototype.getStart = function (sourceFile, includeJsDocComment) { + return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); }; - ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { - var oldSnapshotShim = oldSnapshot; - var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); - if (encoded == null) { - return null; + NodeObject.prototype.getFullStart = function () { + return this.pos; + }; + NodeObject.prototype.getEnd = function () { + return this.end; + }; + NodeObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); + }; + NodeObject.prototype.getFullWidth = function () { + return this.end - this.pos; + }; + NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; + }; + NodeObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); + }; + NodeObject.prototype.getText = function (sourceFile) { + if (!sourceFile) { + sourceFile = this.getSourceFile(); } - var decoded = JSON.parse(encoded); - return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + return sourceFile.text.substring(this.getStart(sourceFile), this.getEnd()); }; - ScriptSnapshotShimAdapter.prototype.dispose = function () { - if ("dispose" in this.scriptSnapshotShim) { - this.scriptSnapshotShim.dispose(); + NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end, useJSDocScanner) { + ts.scanner.setTextPos(pos); + while (pos < end) { + var token = useJSDocScanner ? ts.scanner.scanJSDocToken() : ts.scanner.scan(); + var textPos = ts.scanner.getTextPos(); + if (textPos <= end) { + nodes.push(createNode(token, pos, textPos, this)); + } + pos = textPos; } + return pos; }; - return ScriptSnapshotShimAdapter; - }()); - var LanguageServiceShimHostAdapter = (function () { - function LanguageServiceShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - this.loggingEnabled = false; - this.tracingEnabled = false; - if ("getModuleResolutionsForFile" in this.shimHost) { - this.resolveModuleNames = function (moduleNames, containingFile) { - var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); - return ts.map(moduleNames, function (name) { - var result = ts.getProperty(resolutionsInFile, name); - return result ? { resolvedFileName: result } : undefined; - }); - }; + NodeObject.prototype.createSyntaxList = function (nodes) { + var list = createNode(286, nodes.pos, nodes.end, this); + list._children = []; + var pos = nodes.pos; + for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { + var node = nodes_4[_i]; + if (pos < node.pos) { + pos = this.addSyntheticNodes(list._children, pos, node.pos); + } + list._children.push(node); + pos = node.end; } - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + if (pos < nodes.end) { + this.addSyntheticNodes(list._children, pos, nodes.end); } - if ("getTypeReferenceDirectiveResolutionsForFile" in this.shimHost) { - this.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) { - var typeDirectivesForFile = JSON.parse(_this.shimHost.getTypeReferenceDirectiveResolutionsForFile(containingFile)); - return ts.map(typeDirectiveNames, function (name) { return ts.getProperty(typeDirectivesForFile, name); }); + return list; + }; + NodeObject.prototype.createChildren = function (sourceFile) { + var _this = this; + var children; + if (this.kind >= 140) { + ts.scanner.setText((sourceFile || this.getSourceFile()).text); + children = []; + var pos_3 = this.pos; + var useJSDocScanner_1 = this.kind >= 273 && this.kind <= 285; + var processNode = function (node) { + var isJSDocTagNode = ts.isJSDocTag(node); + if (!isJSDocTagNode && pos_3 < node.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos, useJSDocScanner_1); + } + children.push(node); + if (!isJSDocTagNode) { + pos_3 = node.end; + } }; + var processNodes = function (nodes) { + if (pos_3 < nodes.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos, useJSDocScanner_1); + } + children.push(_this.createSyntaxList(nodes)); + pos_3 = nodes.end; + }; + if (this.jsDocComments) { + for (var _i = 0, _a = this.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + processNode(jsDocComment); + } + } + pos_3 = this.pos; + ts.forEachChild(this, processNode, processNodes); + if (pos_3 < this.end) { + this.addSyntheticNodes(children, pos_3, this.end); + } + ts.scanner.setText(undefined); } - } - LanguageServiceShimHostAdapter.prototype.log = function (s) { - if (this.loggingEnabled) { - this.shimHost.log(s); - } + this._children = children || ts.emptyArray; }; - LanguageServiceShimHostAdapter.prototype.trace = function (s) { - if (this.tracingEnabled) { - this.shimHost.trace(s); - } + NodeObject.prototype.getChildCount = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children.length; }; - LanguageServiceShimHostAdapter.prototype.error = function (s) { - this.shimHost.error(s); + NodeObject.prototype.getChildAt = function (index, sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children[index]; }; - LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { - if (!this.shimHost.getProjectVersion) { + NodeObject.prototype.getChildren = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children; + }; + NodeObject.prototype.getFirstToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + if (!children.length) { return undefined; } - return this.shimHost.getProjectVersion(); + var child = children[0]; + return child.kind < 140 ? child : child.getFirstToken(sourceFile); }; - LanguageServiceShimHostAdapter.prototype.getTypeRootsVersion = function () { - if (!this.shimHost.getTypeRootsVersion) { - return 0; + NodeObject.prototype.getLastToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + var child = ts.lastOrUndefined(children); + if (!child) { + return undefined; } - return this.shimHost.getTypeRootsVersion(); + return child.kind < 140 ? child : child.getLastToken(sourceFile); }; - LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { - return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + return NodeObject; + }()); + var TokenOrIdentifierObject = (function () { + function TokenOrIdentifierObject(pos, end) { + this.pos = pos; + this.end = end; + this.flags = 0; + this.parent = undefined; + } + TokenOrIdentifierObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); }; - LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { - var settingsJson = this.shimHost.getCompilationSettings(); - if (settingsJson == null || settingsJson == "") { - throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); - } - return JSON.parse(settingsJson); + TokenOrIdentifierObject.prototype.getStart = function (sourceFile, includeJsDocComment) { + return ts.getTokenPosOfNode(this, sourceFile, includeJsDocComment); }; - LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { - var encoded = this.shimHost.getScriptFileNames(); - return this.files = JSON.parse(encoded); + TokenOrIdentifierObject.prototype.getFullStart = function () { + return this.pos; }; - LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { - var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); - return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + TokenOrIdentifierObject.prototype.getEnd = function () { + return this.end; }; - LanguageServiceShimHostAdapter.prototype.getScriptKind = function (fileName) { - if ("getScriptKind" in this.shimHost) { - return this.shimHost.getScriptKind(fileName); - } - else { - return 0; - } + TokenOrIdentifierObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); }; - LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { - return this.shimHost.getScriptVersion(fileName); + TokenOrIdentifierObject.prototype.getFullWidth = function () { + return this.end - this.pos; }; - LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { - var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); - if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { - return null; - } - try { - return JSON.parse(diagnosticMessagesJson); - } - catch (e) { - this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); - return null; - } + TokenOrIdentifierObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; }; - LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { - var hostCancellationToken = this.shimHost.getCancellationToken(); - return new ThrottledCancellationToken(hostCancellationToken); + TokenOrIdentifierObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); }; - LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { - return this.shimHost.getCurrentDirectory(); + TokenOrIdentifierObject.prototype.getText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); }; - LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) { - return JSON.parse(this.shimHost.getDirectories(path)); + TokenOrIdentifierObject.prototype.getChildCount = function () { + return 0; }; - LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { - return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + TokenOrIdentifierObject.prototype.getChildAt = function () { + return undefined; }; - LanguageServiceShimHostAdapter.prototype.readDirectory = function (path, extensions, exclude, include, depth) { - var pattern = ts.getFileMatcherPatterns(path, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); - return JSON.parse(this.shimHost.readDirectory(path, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + TokenOrIdentifierObject.prototype.getChildren = function () { + return ts.emptyArray; }; - LanguageServiceShimHostAdapter.prototype.readFile = function (path, encoding) { - return this.shimHost.readFile(path, encoding); + TokenOrIdentifierObject.prototype.getFirstToken = function () { + return undefined; }; - LanguageServiceShimHostAdapter.prototype.fileExists = function (path) { - return this.shimHost.fileExists(path); + TokenOrIdentifierObject.prototype.getLastToken = function () { + return undefined; }; - return LanguageServiceShimHostAdapter; + return TokenOrIdentifierObject; }()); - ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; - var ThrottledCancellationToken = (function () { - function ThrottledCancellationToken(hostCancellationToken) { - this.hostCancellationToken = hostCancellationToken; - this.lastCancellationCheckTime = 0; + var SymbolObject = (function () { + function SymbolObject(flags, name) { + this.flags = flags; + this.name = name; } - ThrottledCancellationToken.prototype.isCancellationRequested = function () { - var time = ts.timestamp(); - var duration = Math.abs(time - this.lastCancellationCheckTime); - if (duration > 10) { - this.lastCancellationCheckTime = time; - return this.hostCancellationToken.isCancellationRequested(); + SymbolObject.prototype.getFlags = function () { + return this.flags; + }; + SymbolObject.prototype.getName = function () { + return this.name; + }; + SymbolObject.prototype.getDeclarations = function () { + return this.declarations; + }; + SymbolObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = ts.JsDoc.getJsDocCommentsFromDeclarations(this.declarations); } - return false; + return this.documentationComment; }; - return ThrottledCancellationToken; + return SymbolObject; }()); - var CoreServicesShimHostAdapter = (function () { - function CoreServicesShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - this.useCaseSensitiveFileNames = this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - if ("realpath" in this.shimHost) { - this.realpath = function (path) { return _this.shimHost.realpath(path); }; - } + var TokenObject = (function (_super) { + __extends(TokenObject, _super); + function TokenObject(kind, pos, end) { + var _this = _super.call(this, pos, end) || this; + _this.kind = kind; + return _this; } - CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extensions, exclude, include, depth) { - try { - var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); - return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); - } - catch (e) { - var results = []; - for (var _i = 0, extensions_2 = extensions; _i < extensions_2.length; _i++) { - var extension = extensions_2[_i]; - for (var _a = 0, _b = this.readDirectoryFallback(rootDir, extension, exclude); _a < _b.length; _a++) { - var file = _b[_a]; - if (!ts.contains(results, file)) { - results.push(file); - } - } - } - return results; - } + return TokenObject; + }(TokenOrIdentifierObject)); + var IdentifierObject = (function (_super) { + __extends(IdentifierObject, _super); + function IdentifierObject(_kind, pos, end) { + return _super.call(this, pos, end) || this; + } + return IdentifierObject; + }(TokenOrIdentifierObject)); + IdentifierObject.prototype.kind = 70; + var TypeObject = (function () { + function TypeObject(checker, flags) { + this.checker = checker; + this.flags = flags; + } + TypeObject.prototype.getFlags = function () { + return this.flags; }; - CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { - return this.shimHost.fileExists(fileName); + TypeObject.prototype.getSymbol = function () { + return this.symbol; }; - CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { - return this.shimHost.readFile(fileName); + TypeObject.prototype.getProperties = function () { + return this.checker.getPropertiesOfType(this); }; - CoreServicesShimHostAdapter.prototype.readDirectoryFallback = function (rootDir, extension, exclude) { - return JSON.parse(this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude))); + TypeObject.prototype.getProperty = function (propertyName) { + return this.checker.getPropertyOfType(this, propertyName); }; - CoreServicesShimHostAdapter.prototype.getDirectories = function (path) { - return JSON.parse(this.shimHost.getDirectories(path)); + TypeObject.prototype.getApparentProperties = function () { + return this.checker.getAugmentedPropertiesOfType(this); }; - return CoreServicesShimHostAdapter; + TypeObject.prototype.getCallSignatures = function () { + return this.checker.getSignaturesOfType(this, 0); + }; + TypeObject.prototype.getConstructSignatures = function () { + return this.checker.getSignaturesOfType(this, 1); + }; + TypeObject.prototype.getStringIndexType = function () { + return this.checker.getIndexTypeOfType(this, 0); + }; + TypeObject.prototype.getNumberIndexType = function () { + return this.checker.getIndexTypeOfType(this, 1); + }; + TypeObject.prototype.getBaseTypes = function () { + return this.flags & 32768 && this.objectFlags & (1 | 2) + ? this.checker.getBaseTypes(this) + : undefined; + }; + TypeObject.prototype.getNonNullableType = function () { + return this.checker.getNonNullableType(this); + }; + return TypeObject; }()); - ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; - function simpleForwardCall(logger, actionDescription, action, logPerformance) { - var start; - if (logPerformance) { - logger.log(actionDescription); - start = ts.timestamp(); + var SignatureObject = (function () { + function SignatureObject(checker) { + this.checker = checker; } - var result = action(); - if (logPerformance) { - var end = ts.timestamp(); - logger.log(actionDescription + " completed in " + (end - start) + " msec"); - if (typeof result === "string") { - var str = result; - if (str.length > 128) { - str = str.substring(0, 128) + "..."; + SignatureObject.prototype.getDeclaration = function () { + return this.declaration; + }; + SignatureObject.prototype.getTypeParameters = function () { + return this.typeParameters; + }; + SignatureObject.prototype.getParameters = function () { + return this.parameters; + }; + SignatureObject.prototype.getReturnType = function () { + return this.checker.getReturnTypeOfSignature(this); + }; + SignatureObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = this.declaration ? ts.JsDoc.getJsDocCommentsFromDeclarations([this.declaration]) : []; + } + return this.documentationComment; + }; + return SignatureObject; + }()); + var SourceFileObject = (function (_super) { + __extends(SourceFileObject, _super); + function SourceFileObject(kind, pos, end) { + return _super.call(this, kind, pos, end) || this; + } + SourceFileObject.prototype.update = function (newText, textChangeRange) { + return ts.updateSourceFile(this, newText, textChangeRange); + }; + SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { + return ts.getLineAndCharacterOfPosition(this, position); + }; + SourceFileObject.prototype.getLineStarts = function () { + return ts.getLineStarts(this); + }; + SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { + return ts.getPositionOfLineAndCharacter(this, line, character); + }; + SourceFileObject.prototype.getNamedDeclarations = function () { + if (!this.namedDeclarations) { + this.namedDeclarations = this.computeNamedDeclarations(); + } + return this.namedDeclarations; + }; + SourceFileObject.prototype.computeNamedDeclarations = function () { + var result = ts.createMap(); + ts.forEachChild(this, visit); + return result; + function addDeclaration(declaration) { + var name = getDeclarationName(declaration); + if (name) { + ts.multiMapAdd(result, name, declaration); + } + } + function getDeclarations(name) { + return result[name] || (result[name] = []); + } + function getDeclarationName(declaration) { + if (declaration.name) { + var result_6 = getTextOfIdentifierOrLiteral(declaration.name); + if (result_6 !== undefined) { + return result_6; + } + if (declaration.name.kind === 141) { + var expr = declaration.name.expression; + if (expr.kind === 173) { + return expr.name.text; + } + return getTextOfIdentifierOrLiteral(expr); + } + } + return undefined; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 70 || + node.kind === 9 || + node.kind === 8) { + return node.text; + } + } + return undefined; + } + function visit(node) { + switch (node.kind) { + case 221: + case 180: + case 148: + case 147: + var functionDeclaration = node; + var declarationName = getDeclarationName(functionDeclaration); + if (declarationName) { + var declarations = getDeclarations(declarationName); + var lastDeclaration = ts.lastOrUndefined(declarations); + if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { + if (functionDeclaration.body && !lastDeclaration.body) { + declarations[declarations.length - 1] = functionDeclaration; + } + } + else { + declarations.push(functionDeclaration); + } + ts.forEachChild(node, visit); + } + break; + case 222: + case 193: + case 223: + case 224: + case 225: + case 226: + case 230: + case 239: + case 235: + case 230: + case 232: + case 233: + case 150: + case 151: + case 160: + addDeclaration(node); + ts.forEachChild(node, visit); + break; + case 143: + if (!ts.hasModifier(node, 92)) { + break; + } + case 219: + case 170: { + var decl = node; + if (ts.isBindingPattern(decl.name)) { + ts.forEachChild(decl.name, visit); + break; + } + if (decl.initializer) + visit(decl.initializer); + } + case 255: + case 146: + case 145: + addDeclaration(node); + break; + case 237: + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 231: + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + addDeclaration(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 233) { + addDeclaration(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + default: + ts.forEachChild(node, visit); } - logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); } - } - return result; - } - function forwardJSONCall(logger, actionDescription, action, logPerformance) { - return forwardCall(logger, actionDescription, true, action, logPerformance); + }; + return SourceFileObject; + }(NodeObject)); + function getServicesObjectAllocator() { + return { + getNodeConstructor: function () { return NodeObject; }, + getTokenConstructor: function () { return TokenObject; }, + getIdentifierConstructor: function () { return IdentifierObject; }, + getSourceFileConstructor: function () { return SourceFileObject; }, + getSymbolConstructor: function () { return SymbolObject; }, + getTypeConstructor: function () { return TypeObject; }, + getSignatureConstructor: function () { return SignatureObject; }, + }; } - function forwardCall(logger, actionDescription, returnJson, action, logPerformance) { - try { - var result = simpleForwardCall(logger, actionDescription, action, logPerformance); - return returnJson ? JSON.stringify({ result: result }) : result; + function toEditorSettings(optionsAsMap) { + var allPropertiesAreCamelCased = true; + for (var key in optionsAsMap) { + if (ts.hasProperty(optionsAsMap, key) && !isCamelCase(key)) { + allPropertiesAreCamelCased = false; + break; + } } - catch (err) { - if (err instanceof ts.OperationCanceledException) { - return JSON.stringify({ canceled: true }); + if (allPropertiesAreCamelCased) { + return optionsAsMap; + } + var settings = {}; + for (var key in optionsAsMap) { + if (ts.hasProperty(optionsAsMap, key)) { + var newKey = isCamelCase(key) ? key : key.charAt(0).toLowerCase() + key.substr(1); + settings[newKey] = optionsAsMap[key]; } - logInternalError(logger, err); - err.description = actionDescription; - return JSON.stringify({ error: err }); } + return settings; } - var ShimBase = (function () { - function ShimBase(factory) { - this.factory = factory; - factory.registerShim(this); + ts.toEditorSettings = toEditorSettings; + function isCamelCase(s) { + return !s.length || s.charAt(0) === s.charAt(0).toLowerCase(); + } + function displayPartsToString(displayParts) { + if (displayParts) { + return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); } - ShimBase.prototype.dispose = function (_dummy) { - this.factory.unregisterShim(this); - }; - return ShimBase; - }()); - function realizeDiagnostics(diagnostics, newLine) { - return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + return ""; } - ts.realizeDiagnostics = realizeDiagnostics; - function realizeDiagnostic(diagnostic, newLine) { + ts.displayPartsToString = displayPartsToString; + function getDefaultCompilerOptions() { return { - message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), - start: diagnostic.start, - length: diagnostic.length, - category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), - code: diagnostic.code + target: 1, + jsx: 1 }; } - var LanguageServiceShimObject = (function (_super) { - __extends(LanguageServiceShimObject, _super); - function LanguageServiceShimObject(factory, host, languageService) { - var _this = _super.call(this, factory) || this; - _this.host = host; - _this.languageService = languageService; - _this.logPerformance = false; - _this.logger = _this.host; - return _this; + ts.getDefaultCompilerOptions = getDefaultCompilerOptions; + function getSupportedCodeFixes() { + return ts.codefix.getSupportedErrorCodes(); + } + ts.getSupportedCodeFixes = getSupportedCodeFixes; + var HostCache = (function () { + function HostCache(host, getCanonicalFileName) { + this.host = host; + this.getCanonicalFileName = getCanonicalFileName; + this.currentDirectory = host.getCurrentDirectory(); + this.fileNameToEntry = ts.createFileMap(); + var rootFileNames = host.getScriptFileNames(); + for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { + var fileName = rootFileNames_1[_i]; + this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); + } + this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); } - LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + HostCache.prototype.compilationSettings = function () { + return this._compilationSettings; }; - LanguageServiceShimObject.prototype.dispose = function (dummy) { - this.logger.log("dispose()"); - this.languageService.dispose(); - this.languageService = null; - if (debugObjectHost && debugObjectHost.CollectGarbage) { - debugObjectHost.CollectGarbage(); - this.logger.log("CollectGarbage()"); + HostCache.prototype.createEntry = function (fileName, path) { + var entry; + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (scriptSnapshot) { + entry = { + hostFileName: fileName, + version: this.host.getScriptVersion(fileName), + scriptSnapshot: scriptSnapshot, + scriptKind: ts.getScriptKind(fileName, this.host) + }; } - this.logger = null; - _super.prototype.dispose.call(this, dummy); - }; - LanguageServiceShimObject.prototype.refresh = function (throwOnError) { - this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); - }; - LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { - var _this = this; - this.forwardJSONCall("cleanupSemanticCache()", function () { - _this.languageService.cleanupSemanticCache(); - return null; - }); - }; - LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { - var newLine = ts.getNewLineOrDefaultFromHost(this.host); - return ts.realizeDiagnostics(diagnostics, newLine); - }; - LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { - var _this = this; - return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { - var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { - var _this = this; - return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); - }; - LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getImplementationAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getImplementationAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getImplementationAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { - var _this = this; - return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); - }; - LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.isValidBraceCompletionAtPosition = function (fileName, position, openingBrace) { - var _this = this; - return this.forwardJSONCall("isValidBraceCompletionAtPosition('" + fileName + "', " + position + ", " + openingBrace + ")", function () { return _this.languageService.isValidBraceCompletionAtPosition(fileName, position, openingBrace); }); - }; - LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options) { - var _this = this; - return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { - var _this = this; - return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { - var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); - var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); - return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); - }); + this.fileNameToEntry.set(path, entry); + return entry; }; - LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); + HostCache.prototype.getEntry = function (path) { + return this.fileNameToEntry.get(path); }; - LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { - var _this = this; - return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); + HostCache.prototype.contains = function (path) { + return this.fileNameToEntry.contains(path); }; - LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); - }); + HostCache.prototype.getOrCreateEntry = function (fileName) { + var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); + return this.getOrCreateEntryByPath(fileName, path); }; - LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); - }); + HostCache.prototype.getOrCreateEntryByPath = function (fileName, path) { + return this.contains(path) + ? this.getEntry(path) + : this.createEntry(fileName, path); }; - LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + HostCache.prototype.getRootFileNames = function () { + var fileNames = []; + this.fileNameToEntry.forEachValue(function (_path, value) { + if (value) { + fileNames.push(value.hostFileName); + } }); + return fileNames; }; - LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount, fileName) { - var _this = this; - return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ", " + fileName + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount, fileName); }); - }; - LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { - var _this = this; - return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); - }; - LanguageServiceShimObject.prototype.getNavigationTree = function (fileName) { - var _this = this; - return this.forwardJSONCall("getNavigationTree('" + fileName + "')", function () { return _this.languageService.getNavigationTree(fileName); }); + HostCache.prototype.getVersion = function (path) { + var file = this.getEntry(path); + return file && file.version; }; - LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { - var _this = this; - return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); + HostCache.prototype.getScriptSnapshot = function (path) { + var file = this.getEntry(path); + return file && file.scriptSnapshot; }; - LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { - var _this = this; - return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + return HostCache; + }()); + var SyntaxTreeCache = (function () { + function SyntaxTreeCache(host) { + this.host = host; + } + SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (!scriptSnapshot) { + throw new Error("Could not find file: '" + fileName + "'."); + } + var scriptKind = ts.getScriptKind(fileName, this.host); + var version = this.host.getScriptVersion(fileName); + var sourceFile; + if (this.currentFileName !== fileName) { + sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 4, version, true, scriptKind); + } + else if (this.currentFileVersion !== version) { + var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); + sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); + } + if (sourceFile) { + this.currentFileVersion = version; + this.currentFileName = fileName; + this.currentFileScriptSnapshot = scriptSnapshot; + this.currentSourceFile = sourceFile; + } + return this.currentSourceFile; }; - LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { - var _this = this; - return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); + return SyntaxTreeCache; + }()); + function setSourceFileFields(sourceFile, scriptSnapshot, version) { + sourceFile.version = version; + sourceFile.scriptSnapshot = scriptSnapshot; + } + function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents, scriptKind) { + var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); + var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents, scriptKind); + setSourceFileFields(sourceFile, scriptSnapshot, version); + return sourceFile; + } + ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; + ts.disableIncrementalParsing = false; + function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { + if (textChangeRange) { + if (version !== sourceFile.version) { + if (!ts.disableIncrementalParsing) { + var newText = void 0; + var prefix = textChangeRange.span.start !== 0 + ? sourceFile.text.substr(0, textChangeRange.span.start) + : ""; + var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length + ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) + : ""; + if (textChangeRange.newLength === 0) { + newText = prefix && suffix ? prefix + suffix : prefix || suffix; + } + else { + var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); + newText = prefix && suffix + ? prefix + changedText + suffix + : prefix + ? (prefix + changedText) + : (changedText + suffix); + } + var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + setSourceFileFields(newSourceFile, scriptSnapshot, version); + newSourceFile.nameTable = undefined; + if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { + if (sourceFile.scriptSnapshot.dispose) { + sourceFile.scriptSnapshot.dispose(); + } + sourceFile.scriptSnapshot = undefined; + } + return newSourceFile; + } + } + } + return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, true, sourceFile.scriptKind); + } + ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; + var CancellationTokenObject = (function () { + function CancellationTokenObject(cancellationToken) { + this.cancellationToken = cancellationToken; + } + CancellationTokenObject.prototype.isCancellationRequested = function () { + return this.cancellationToken && this.cancellationToken.isCancellationRequested(); }; - LanguageServiceShimObject.prototype.getEmitOutputObject = function (fileName) { - var _this = this; - return forwardCall(this.logger, "getEmitOutput('" + fileName + "')", false, function () { return _this.languageService.getEmitOutput(fileName); }, this.logPerformance); + CancellationTokenObject.prototype.throwIfCancellationRequested = function () { + if (this.isCancellationRequested()) { + throw new ts.OperationCanceledException(); + } }; - return LanguageServiceShimObject; - }(ShimBase)); - function convertClassifications(classifications) { - return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; - } - var ClassifierShimObject = (function (_super) { - __extends(ClassifierShimObject, _super); - function ClassifierShimObject(factory, logger) { - var _this = _super.call(this, factory) || this; - _this.logger = logger; - _this.logPerformance = false; - _this.classifier = ts.createClassifier(); - return _this; + return CancellationTokenObject; + }()); + function createLanguageService(host, documentRegistry) { + if (documentRegistry === void 0) { documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } + var syntaxTreeCache = new SyntaxTreeCache(host); + var ruleProvider; + var program; + var lastProjectVersion; + var lastTypesRootVersion = 0; + var useCaseSensitivefileNames = host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(); + var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); + var currentDirectory = host.getCurrentDirectory(); + if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { + ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); + } + function log(message) { + if (host.log) { + host.log(message); + } + } + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); + function getValidSourceFile(fileName) { + var sourceFile = program.getSourceFile(fileName); + if (!sourceFile) { + throw new Error("Could not find file: '" + fileName + "'."); + } + return sourceFile; + } + function getRuleProvider(options) { + if (!ruleProvider) { + ruleProvider = new ts.formatting.RulesProvider(); + } + ruleProvider.ensureUpToDate(options); + return ruleProvider; + } + function synchronizeHostData() { + if (host.getProjectVersion) { + var hostProjectVersion = host.getProjectVersion(); + if (hostProjectVersion) { + if (lastProjectVersion === hostProjectVersion) { + return; + } + lastProjectVersion = hostProjectVersion; + } + } + var typeRootsVersion = host.getTypeRootsVersion ? host.getTypeRootsVersion() : 0; + if (lastTypesRootVersion !== typeRootsVersion) { + log("TypeRoots version has changed; provide new program"); + program = undefined; + lastTypesRootVersion = typeRootsVersion; + } + var hostCache = new HostCache(host, getCanonicalFileName); + if (programUpToDate()) { + return; + } + var oldSettings = program && program.getCompilerOptions(); + var newSettings = hostCache.compilationSettings(); + var shouldCreateNewSourceFiles = oldSettings && + (oldSettings.target !== newSettings.target || + oldSettings.module !== newSettings.module || + oldSettings.moduleResolution !== newSettings.moduleResolution || + oldSettings.noResolve !== newSettings.noResolve || + oldSettings.jsx !== newSettings.jsx || + oldSettings.allowJs !== newSettings.allowJs || + oldSettings.disableSizeLimit !== oldSettings.disableSizeLimit || + oldSettings.baseUrl !== newSettings.baseUrl || + !ts.equalOwnProperties(oldSettings.paths, newSettings.paths)); + var compilerHost = { + getSourceFile: getOrCreateSourceFile, + getSourceFileByPath: getOrCreateSourceFileByPath, + getCancellationToken: function () { return cancellationToken; }, + getCanonicalFileName: getCanonicalFileName, + useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, + getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, + getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, + writeFile: ts.noop, + getCurrentDirectory: function () { return currentDirectory; }, + fileExists: function (fileName) { + return hostCache.getOrCreateEntry(fileName) !== undefined; + }, + readFile: function (fileName) { + var entry = hostCache.getOrCreateEntry(fileName); + return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); + }, + directoryExists: function (directoryName) { + return ts.directoryProbablyExists(directoryName, host); + }, + getDirectories: function (path) { + return host.getDirectories ? host.getDirectories(path) : []; + } + }; + if (host.trace) { + compilerHost.trace = function (message) { return host.trace(message); }; + } + if (host.resolveModuleNames) { + compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; + } + if (host.resolveTypeReferenceDirectives) { + compilerHost.resolveTypeReferenceDirectives = function (typeReferenceDirectiveNames, containingFile) { + return host.resolveTypeReferenceDirectives(typeReferenceDirectiveNames, containingFile); + }; + } + var documentRegistryBucketKey = documentRegistry.getKeyForCompilationSettings(newSettings); + var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); + if (program) { + var oldSourceFiles = program.getSourceFiles(); + var oldSettingsKey = documentRegistry.getKeyForCompilationSettings(oldSettings); + for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { + var oldSourceFile = oldSourceFiles_1[_i]; + if (!newProgram.getSourceFile(oldSourceFile.fileName) || shouldCreateNewSourceFiles) { + documentRegistry.releaseDocumentWithKey(oldSourceFile.path, oldSettingsKey); + } + } + } + hostCache = undefined; + program = newProgram; + program.getTypeChecker(); + return; + function getOrCreateSourceFile(fileName) { + return getOrCreateSourceFileByPath(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getOrCreateSourceFileByPath(fileName, path) { + ts.Debug.assert(hostCache !== undefined); + var hostFileInformation = hostCache.getOrCreateEntryByPath(fileName, path); + if (!hostFileInformation) { + return undefined; + } + if (!shouldCreateNewSourceFiles) { + var oldSourceFile = program && program.getSourceFileByPath(path); + if (oldSourceFile) { + ts.Debug.assert(hostFileInformation.scriptKind === oldSourceFile.scriptKind, "Registered script kind (" + oldSourceFile.scriptKind + ") should match new script kind (" + hostFileInformation.scriptKind + ") for file: " + path); + return documentRegistry.updateDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); + } + } + return documentRegistry.acquireDocumentWithKey(fileName, path, newSettings, documentRegistryBucketKey, hostFileInformation.scriptSnapshot, hostFileInformation.version, hostFileInformation.scriptKind); + } + function sourceFileUpToDate(sourceFile) { + if (!sourceFile) { + return false; + } + var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); + return sourceFile.version === hostCache.getVersion(path); + } + function programUpToDate() { + if (!program) { + return false; + } + var rootFileNames = hostCache.getRootFileNames(); + if (program.getSourceFiles().length !== rootFileNames.length) { + return false; + } + for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { + var fileName = rootFileNames_2[_i]; + if (!sourceFileUpToDate(program.getSourceFile(fileName))) { + return false; + } + } + return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); + } } - ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { - var _this = this; - return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); - }; - ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { - var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); - var result = ""; - for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { - var item = _a[_i]; - result += item.length + "\n"; - result += item.classification + "\n"; + function getProgram() { + synchronizeHostData(); + return program; + } + function cleanupSemanticCache() { + } + function dispose() { + if (program) { + ts.forEach(program.getSourceFiles(), function (f) { + return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); + }); } - result += classification.finalLexState; - return result; - }; - return ClassifierShimObject; - }(ShimBase)); - var CoreServicesShimObject = (function (_super) { - __extends(CoreServicesShimObject, _super); - function CoreServicesShimObject(factory, logger, host) { - var _this = _super.call(this, factory) || this; - _this.logger = logger; - _this.host = host; - _this.logPerformance = false; - return _this; } - CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); - return { - resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, - failedLookupLocations: result.failedLookupLocations - }; - }); - }; - CoreServicesShimObject.prototype.resolveTypeReferenceDirective = function (fileName, typeReferenceDirective, compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("resolveTypeReferenceDirective(" + fileName + ")", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - var result = ts.resolveTypeReferenceDirective(typeReferenceDirective, ts.normalizeSlashes(fileName), compilerOptions, _this.host); - return { - resolvedFileName: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.resolvedFileName : undefined, - primary: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.primary : true, - failedLookupLocations: result.failedLookupLocations - }; - }); - }; - CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { - var _this = this; - return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { - var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), true, true); - return { - referencedFiles: _this.convertFileReferences(result.referencedFiles), - importedFiles: _this.convertFileReferences(result.importedFiles), - ambientExternalModules: result.ambientExternalModules, - isLibFile: result.isLibFile, - typeReferenceDirectives: _this.convertFileReferences(result.typeReferenceDirectives) - }; - }); - }; - CoreServicesShimObject.prototype.getAutomaticTypeDirectiveNames = function (compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("getAutomaticTypeDirectiveNames('" + compilerOptionsJson + "')", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - return ts.getAutomaticTypeDirectiveNames(compilerOptions, _this.host); - }); - }; - CoreServicesShimObject.prototype.convertFileReferences = function (refs) { - if (!refs) { + function getSyntacticDiagnostics(fileName) { + synchronizeHostData(); + return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); + } + function getSemanticDiagnostics(fileName) { + synchronizeHostData(); + var targetSourceFile = getValidSourceFile(fileName); + var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); + if (!program.getCompilerOptions().declaration) { + return semanticDiagnostics; + } + var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); + return ts.concatenate(semanticDiagnostics, declarationDiagnostics); + } + function getCompilerOptionsDiagnostics() { + synchronizeHostData(); + return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); + } + function getCompletionsAtPosition(fileName, position) { + synchronizeHostData(); + return ts.Completions.getCompletionsAtPosition(host, program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position); + } + function getCompletionEntryDetails(fileName, position, entryName) { + synchronizeHostData(); + return ts.Completions.getCompletionEntryDetails(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); + } + function getCompletionEntrySymbol(fileName, position, entryName) { + synchronizeHostData(); + return ts.Completions.getCompletionEntrySymbol(program.getTypeChecker(), log, program.getCompilerOptions(), getValidSourceFile(fileName), position, entryName); + } + function getQuickInfoAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (node === sourceFile) { return undefined; } - var result = []; - for (var _i = 0, refs_2 = refs; _i < refs_2.length; _i++) { - var ref = refs_2[_i]; - result.push({ - path: ts.normalizeSlashes(ref.fileName), - position: ref.pos, - length: ref.end - ref.pos - }); + if (ts.isLabelName(node)) { + return undefined; } - return result; - }; - CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { - var _this = this; - return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { - var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); - var result = ts.parseConfigFileTextToJson(fileName, text); - if (result.error) { - return { - options: {}, - typingOptions: {}, - files: [], - raw: {}, - errors: [realizeDiagnostic(result.error, "\r\n")] - }; + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol || typeChecker.isUnknownSymbol(symbol)) { + switch (node.kind) { + case 70: + case 173: + case 140: + case 98: + case 166: + case 96: + var type = typeChecker.getTypeAtLocation(node); + if (type) { + return { + kind: ts.ScriptElementKind.unknown, + kindModifiers: ts.ScriptElementKindModifier.none, + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: ts.typeToDisplayParts(typeChecker, type, ts.getContainerNode(node)), + documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined + }; + } } - var normalizedFileName = ts.normalizeSlashes(fileName); - var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName); - return { - options: configFile.options, - typingOptions: configFile.typingOptions, - files: configFile.fileNames, - raw: configFile.raw, - errors: realizeDiagnostics(configFile.errors, "\r\n") - }; - }); - }; - CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { - return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); - }; - CoreServicesShimObject.prototype.discoverTypings = function (discoverTypingsJson) { - var _this = this; - var getCanonicalFileName = ts.createGetCanonicalFileName(false); - return this.forwardJSONCall("discoverTypings()", function () { - var info = JSON.parse(discoverTypingsJson); - return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions); - }); - }; - return CoreServicesShimObject; - }(ShimBase)); - var TypeScriptServicesFactory = (function () { - function TypeScriptServicesFactory() { - this._shims = []; + return undefined; + } + var displayPartsDocumentationsAndKind = ts.SymbolDisplay.getSymbolDisplayPartsDocumentationAndSymbolKind(typeChecker, symbol, sourceFile, ts.getContainerNode(node), node); + return { + kind: displayPartsDocumentationsAndKind.symbolKind, + kindModifiers: ts.SymbolDisplay.getSymbolModifiers(symbol), + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: displayPartsDocumentationsAndKind.displayParts, + documentation: displayPartsDocumentationsAndKind.documentation + }; } - TypeScriptServicesFactory.prototype.getServicesVersion = function () { - return ts.servicesVersion; - }; - TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { - try { - if (this.documentRegistry === undefined) { - this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); + function getDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + return ts.GoToDefinition.getDefinitionAtPosition(program, getValidSourceFile(fileName), position); + } + function getImplementationAtPosition(fileName, position) { + synchronizeHostData(); + return ts.GoToImplementation.getImplementationAtPosition(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), ts.getTouchingPropertyName(getValidSourceFile(fileName), position)); + } + function getTypeDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + return ts.GoToDefinition.getTypeDefinitionAtPosition(program.getTypeChecker(), getValidSourceFile(fileName), position); + } + function getOccurrencesAtPosition(fileName, position) { + var results = getOccurrencesAtPositionCore(fileName, position); + if (results) { + var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); + results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); + } + return results; + } + function getDocumentHighlights(fileName, position, filesToSearch) { + synchronizeHostData(); + var sourceFilesToSearch = ts.map(filesToSearch, function (f) { return program.getSourceFile(f); }); + var sourceFile = getValidSourceFile(fileName); + return ts.DocumentHighlights.getDocumentHighlights(program.getTypeChecker(), cancellationToken, sourceFile, position, sourceFilesToSearch); + } + function getOccurrencesAtPositionCore(fileName, position) { + synchronizeHostData(); + return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); + function convertDocumentHighlights(documentHighlights) { + if (!documentHighlights) { + return undefined; } - var hostAdapter = new LanguageServiceShimHostAdapter(host); - var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); - return new LanguageServiceShimObject(this, host, languageService); + var result = []; + for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { + var entry = documentHighlights_1[_i]; + for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { + var highlightSpan = _b[_a]; + result.push({ + fileName: entry.fileName, + textSpan: highlightSpan.textSpan, + isWriteAccess: highlightSpan.kind === ts.HighlightSpanKind.writtenReference, + isDefinition: false + }); + } + } + return result; } - catch (err) { - logInternalError(host, err); - throw err; + } + function findRenameLocations(fileName, position, findInStrings, findInComments) { + var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); + return ts.FindAllReferences.convertReferences(referencedSymbols); + } + function getReferencesAtPosition(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, false, false); + return ts.FindAllReferences.convertReferences(referencedSymbols); + } + function findReferences(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, false, false); + return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); + } + function findReferencedSymbols(fileName, position, findInStrings, findInComments) { + synchronizeHostData(); + return ts.FindAllReferences.findReferencedSymbols(program.getTypeChecker(), cancellationToken, program.getSourceFiles(), getValidSourceFile(fileName), position, findInStrings, findInComments); + } + function getNavigateToItems(searchValue, maxResultCount, fileName, excludeDtsFiles) { + synchronizeHostData(); + var sourceFiles = fileName ? [getValidSourceFile(fileName)] : program.getSourceFiles(); + return ts.NavigateTo.getNavigateToItems(sourceFiles, program.getTypeChecker(), cancellationToken, searchValue, maxResultCount, excludeDtsFiles); + } + function getEmitOutput(fileName, emitOnlyDtsFiles) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var outputFiles = []; + function writeFile(fileName, data, writeByteOrderMark) { + outputFiles.push({ + name: fileName, + writeByteOrderMark: writeByteOrderMark, + text: data + }); } - }; - TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { - try { - return new ClassifierShimObject(this, logger); + var emitOutput = program.emit(sourceFile, writeFile, cancellationToken, emitOnlyDtsFiles); + return { + outputFiles: outputFiles, + emitSkipped: emitOutput.emitSkipped + }; + } + function getSignatureHelpItems(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); + } + function getNonBoundSourceFile(fileName) { + return syntaxTreeCache.getCurrentSourceFile(fileName); + } + function getSourceFile(fileName) { + return getNonBoundSourceFile(fileName); + } + function getNameOrDottedNameSpan(fileName, startPos, _endPos) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, startPos); + if (node === sourceFile) { + return; } - catch (err) { - logInternalError(logger, err); - throw err; + switch (node.kind) { + case 173: + case 140: + case 9: + case 85: + case 100: + case 94: + case 96: + case 98: + case 166: + case 70: + break; + default: + return; } - }; - TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { - try { - var adapter = new CoreServicesShimHostAdapter(host); - return new CoreServicesShimObject(this, host, adapter); + var nodeForStartPos = node; + while (true) { + if (ts.isRightSideOfPropertyAccess(nodeForStartPos) || ts.isRightSideOfQualifiedName(nodeForStartPos)) { + nodeForStartPos = nodeForStartPos.parent; + } + else if (ts.isNameOfModuleDeclaration(nodeForStartPos)) { + if (nodeForStartPos.parent.parent.kind === 226 && + nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { + nodeForStartPos = nodeForStartPos.parent.parent.name; + } + else { + break; + } + } + else { + break; + } } - catch (err) { - logInternalError(host, err); - throw err; + return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); + } + function getBreakpointStatementAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); + } + function getNavigationBarItems(fileName) { + return ts.NavigationBar.getNavigationBarItems(syntaxTreeCache.getCurrentSourceFile(fileName)); + } + function getNavigationTree(fileName) { + return ts.NavigationBar.getNavigationTree(syntaxTreeCache.getCurrentSourceFile(fileName)); + } + function isTsOrTsxFile(fileName) { + var kind = ts.getScriptKind(fileName, host); + return kind === 3 || kind === 4; + } + function getSemanticClassifications(fileName, span) { + if (!isTsOrTsxFile(fileName)) { + return []; } - }; - TypeScriptServicesFactory.prototype.close = function () { - this._shims = []; - this.documentRegistry = undefined; - }; - TypeScriptServicesFactory.prototype.registerShim = function (shim) { - this._shims.push(shim); - }; - TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { - for (var i = 0, n = this._shims.length; i < n; i++) { - if (this._shims[i] === shim) { - delete this._shims[i]; - return; + synchronizeHostData(); + return ts.getSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); + } + function getEncodedSemanticClassifications(fileName, span) { + if (!isTsOrTsxFile(fileName)) { + return { spans: [], endOfLineState: 0 }; + } + synchronizeHostData(); + return ts.getEncodedSemanticClassifications(program.getTypeChecker(), cancellationToken, getValidSourceFile(fileName), program.getClassifiableNames(), span); + } + function getSyntacticClassifications(fileName, span) { + return ts.getSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); + } + function getEncodedSyntacticClassifications(fileName, span) { + return ts.getEncodedSyntacticClassifications(cancellationToken, syntaxTreeCache.getCurrentSourceFile(fileName), span); + } + function getOutliningSpans(fileName) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.OutliningElementsCollector.collectElements(sourceFile); + } + function getBraceMatchingAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var result = []; + var token = ts.getTouchingToken(sourceFile, position); + if (token.getStart(sourceFile) === position) { + var matchKind = getMatchingTokenKind(token); + if (matchKind) { + var parentElement = token.parent; + var childNodes = parentElement.getChildren(sourceFile); + for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { + var current = childNodes_1[_i]; + if (current.kind === matchKind) { + var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); + var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); + if (range1.start < range2.start) { + result.push(range1, range2); + } + else { + result.push(range2, range1); + } + break; + } + } } } - throw new Error("Invalid operation"); - }; - return TypeScriptServicesFactory; - }()); - ts.TypeScriptServicesFactory = TypeScriptServicesFactory; - if (typeof module !== "undefined" && module.exports) { - module.exports = ts; - } -})(ts || (ts = {})); -var TypeScript; -(function (TypeScript) { - var Services; - (function (Services) { - Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; - })(Services = TypeScript.Services || (TypeScript.Services = {})); -})(TypeScript || (TypeScript = {})); -var toolsVersion = "2.1"; -var ts; -(function (ts) { - var server; - (function (server) { - (function (LogLevel) { - LogLevel[LogLevel["terse"] = 0] = "terse"; - LogLevel[LogLevel["normal"] = 1] = "normal"; - LogLevel[LogLevel["requestTime"] = 2] = "requestTime"; - LogLevel[LogLevel["verbose"] = 3] = "verbose"; - })(server.LogLevel || (server.LogLevel = {})); - var LogLevel = server.LogLevel; - server.emptyArray = []; - var Msg; - (function (Msg) { - Msg.Err = "Err"; - Msg.Info = "Info"; - Msg.Perf = "Perf"; - })(Msg = server.Msg || (server.Msg = {})); - function getProjectRootPath(project) { - switch (project.projectKind) { - case server.ProjectKind.Configured: - return ts.getDirectoryPath(project.getProjectName()); - case server.ProjectKind.Inferred: - return ""; - case server.ProjectKind.External: - var projectName = ts.normalizeSlashes(project.getProjectName()); - return project.projectService.host.fileExists(projectName) ? ts.getDirectoryPath(projectName) : projectName; + return result; + function getMatchingTokenKind(token) { + switch (token.kind) { + case 16: return 17; + case 18: return 19; + case 20: return 21; + case 26: return 28; + case 17: return 16; + case 19: return 18; + case 21: return 20; + case 28: return 26; + } + return undefined; } } - function createInstallTypingsRequest(project, typingOptions, cachePath) { - return { - projectName: project.getProjectName(), - fileNames: project.getFileNames(), - compilerOptions: project.getCompilerOptions(), - typingOptions: typingOptions, - projectRootPath: getProjectRootPath(project), - cachePath: cachePath, - kind: "discover" - }; + function getIndentationAtPosition(fileName, position, editorOptions) { + var start = ts.timestamp(); + var settings = toEditorSettings(editorOptions); + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + log("getIndentationAtPosition: getCurrentSourceFile: " + (ts.timestamp() - start)); + start = ts.timestamp(); + var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, settings); + log("getIndentationAtPosition: computeIndentation : " + (ts.timestamp() - start)); + return result; } - server.createInstallTypingsRequest = createInstallTypingsRequest; - var Errors; - (function (Errors) { - function ThrowNoProject() { - throw new Error("No Project."); + function getFormattingEditsForRange(fileName, start, end, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var settings = toEditorSettings(options); + return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(settings), settings); + } + function getFormattingEditsForDocument(fileName, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var settings = toEditorSettings(options); + return ts.formatting.formatDocument(sourceFile, getRuleProvider(settings), settings); + } + function getFormattingEditsAfterKeystroke(fileName, position, key, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var settings = toEditorSettings(options); + if (key === "}") { + return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(settings), settings); } - Errors.ThrowNoProject = ThrowNoProject; - function ThrowProjectLanguageServiceDisabled() { - throw new Error("The project's language service is disabled."); + else if (key === ";") { + return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(settings), settings); } - Errors.ThrowProjectLanguageServiceDisabled = ThrowProjectLanguageServiceDisabled; - function ThrowProjectDoesNotContainDocument(fileName, project) { - throw new Error("Project '" + project.getProjectName() + "' does not contain document '" + fileName + "'"); + else if (key === "\n") { + return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(settings), settings); } - Errors.ThrowProjectDoesNotContainDocument = ThrowProjectDoesNotContainDocument; - })(Errors = server.Errors || (server.Errors = {})); - function getDefaultFormatCodeSettings(host) { - return { - indentSize: 4, - tabSize: 4, - newLineCharacter: host.newLine || "\n", - convertTabsToSpaces: true, - indentStyle: ts.IndentStyle.Smart, - insertSpaceAfterCommaDelimiter: true, - insertSpaceAfterSemicolonInForStatements: true, - insertSpaceBeforeAndAfterBinaryOperators: true, - insertSpaceAfterKeywordsInControlFlowStatements: true, - insertSpaceAfterFunctionKeywordForAnonymousFunctions: false, - insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false, - insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false, - insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false, - insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false, - placeOpenBraceOnNewLineForFunctions: false, - placeOpenBraceOnNewLineForControlBlocks: false, - }; + return []; } - server.getDefaultFormatCodeSettings = getDefaultFormatCodeSettings; - function mergeMaps(target, source) { - for (var key in source) { - if (ts.hasProperty(source, key)) { - target[key] = source[key]; + function getCodeFixesAtPosition(fileName, start, end, errorCodes) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var span = { start: start, length: end - start }; + var newLineChar = ts.getNewLineOrDefaultFromHost(host); + var allFixes = []; + ts.forEach(errorCodes, function (error) { + cancellationToken.throwIfCancellationRequested(); + var context = { + errorCode: error, + sourceFile: sourceFile, + span: span, + program: program, + newLineCharacter: newLineChar + }; + var fixes = ts.codefix.getFixes(context); + if (fixes) { + allFixes = allFixes.concat(fixes); } - } + }); + return allFixes; } - server.mergeMaps = mergeMaps; - function removeItemFromSet(items, itemToRemove) { - if (items.length === 0) { - return; + function getDocCommentTemplateAtPosition(fileName, position) { + return ts.JsDoc.getDocCommentTemplateAtPosition(ts.getNewLineOrDefaultFromHost(host), syntaxTreeCache.getCurrentSourceFile(fileName), position); + } + function isValidBraceCompletionAtPosition(fileName, position, openingBrace) { + if (openingBrace === 60) { + return false; } - var index = items.indexOf(itemToRemove); - if (index < 0) { - return; + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position)) { + return false; } - if (index === items.length - 1) { - items.pop(); + if (ts.isInsideJsxElementOrAttribute(sourceFile, position)) { + return openingBrace === 123; } - else { - items[index] = items.pop(); + if (ts.isInTemplateString(sourceFile, position)) { + return false; } + return true; } - server.removeItemFromSet = removeItemFromSet; - function toNormalizedPath(fileName) { - return ts.normalizePath(fileName); - } - server.toNormalizedPath = toNormalizedPath; - function normalizedPathToPath(normalizedPath, currentDirectory, getCanonicalFileName) { - var f = ts.isRootedDiskPath(normalizedPath) ? normalizedPath : ts.getNormalizedAbsolutePath(normalizedPath, currentDirectory); - return getCanonicalFileName(f); - } - server.normalizedPathToPath = normalizedPathToPath; - function asNormalizedPath(fileName) { - return fileName; - } - server.asNormalizedPath = asNormalizedPath; - function createNormalizedPathMap() { - var map = Object.create(null); - return { - get: function (path) { - return map[path]; - }, - set: function (path, value) { - map[path] = value; - }, - contains: function (path) { - return ts.hasProperty(map, path); - }, - remove: function (path) { - delete map[path]; + function getTodoComments(fileName, descriptors) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + cancellationToken.throwIfCancellationRequested(); + var fileContents = sourceFile.text; + var result = []; + if (descriptors.length > 0) { + var regExp = getTodoCommentsRegExp(); + var matchArray = void 0; + while (matchArray = regExp.exec(fileContents)) { + cancellationToken.throwIfCancellationRequested(); + var firstDescriptorCaptureIndex = 3; + ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); + var preamble = matchArray[1]; + var matchPosition = matchArray.index + preamble.length; + var token = ts.getTokenAtPosition(sourceFile, matchPosition); + if (!ts.isInsideComment(sourceFile, token, matchPosition)) { + continue; + } + var descriptor = undefined; + for (var i = 0, n = descriptors.length; i < n; i++) { + if (matchArray[i + firstDescriptorCaptureIndex]) { + descriptor = descriptors[i]; + } + } + ts.Debug.assert(descriptor !== undefined); + if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { + continue; + } + var message = matchArray[2]; + result.push({ + descriptor: descriptor, + message: message, + position: matchPosition + }); } - }; + } + return result; + function escapeRegExp(str) { + return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + } + function getTodoCommentsRegExp() { + var singleLineCommentStart = /(?:\/\/+\s*)/.source; + var multiLineCommentStart = /(?:\/\*+\s*)/.source; + var anyNumberOfSpacesAndAsterisksAtStartOfLine = /(?:^(?:\s|\*)*)/.source; + var preamble = "(" + anyNumberOfSpacesAndAsterisksAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; + var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; + var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; + var messageRemainder = /(?:.*?)/.source; + var messagePortion = "(" + literals + messageRemainder + ")"; + var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; + return new RegExp(regExpString, "gim"); + } + function isLetterOrDigit(char) { + return (char >= 97 && char <= 122) || + (char >= 65 && char <= 90) || + (char >= 48 && char <= 57); + } } - server.createNormalizedPathMap = createNormalizedPathMap; - function throwLanguageServiceIsDisabledError() { - throw new Error("LanguageService is disabled"); + function getRenameInfo(fileName, position) { + synchronizeHostData(); + var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); + return ts.Rename.getRenameInfo(program.getTypeChecker(), defaultLibFileName, getCanonicalFileName, getValidSourceFile(fileName), position); } - server.nullLanguageService = { - cleanupSemanticCache: throwLanguageServiceIsDisabledError, - getSyntacticDiagnostics: throwLanguageServiceIsDisabledError, - getSemanticDiagnostics: throwLanguageServiceIsDisabledError, - getCompilerOptionsDiagnostics: throwLanguageServiceIsDisabledError, - getSyntacticClassifications: throwLanguageServiceIsDisabledError, - getEncodedSyntacticClassifications: throwLanguageServiceIsDisabledError, - getSemanticClassifications: throwLanguageServiceIsDisabledError, - getEncodedSemanticClassifications: throwLanguageServiceIsDisabledError, - getCompletionsAtPosition: throwLanguageServiceIsDisabledError, - findReferences: throwLanguageServiceIsDisabledError, - getCompletionEntryDetails: throwLanguageServiceIsDisabledError, - getQuickInfoAtPosition: throwLanguageServiceIsDisabledError, - findRenameLocations: throwLanguageServiceIsDisabledError, - getNameOrDottedNameSpan: throwLanguageServiceIsDisabledError, - getBreakpointStatementAtPosition: throwLanguageServiceIsDisabledError, - getBraceMatchingAtPosition: throwLanguageServiceIsDisabledError, - getSignatureHelpItems: throwLanguageServiceIsDisabledError, - getDefinitionAtPosition: throwLanguageServiceIsDisabledError, - getRenameInfo: throwLanguageServiceIsDisabledError, - getTypeDefinitionAtPosition: throwLanguageServiceIsDisabledError, - getReferencesAtPosition: throwLanguageServiceIsDisabledError, - getDocumentHighlights: throwLanguageServiceIsDisabledError, - getOccurrencesAtPosition: throwLanguageServiceIsDisabledError, - getNavigateToItems: throwLanguageServiceIsDisabledError, - getNavigationBarItems: throwLanguageServiceIsDisabledError, - getNavigationTree: throwLanguageServiceIsDisabledError, - getOutliningSpans: throwLanguageServiceIsDisabledError, - getTodoComments: throwLanguageServiceIsDisabledError, - getIndentationAtPosition: throwLanguageServiceIsDisabledError, - getFormattingEditsForRange: throwLanguageServiceIsDisabledError, - getFormattingEditsForDocument: throwLanguageServiceIsDisabledError, - getFormattingEditsAfterKeystroke: throwLanguageServiceIsDisabledError, - getDocCommentTemplateAtPosition: throwLanguageServiceIsDisabledError, - isValidBraceCompletionAtPosition: throwLanguageServiceIsDisabledError, - getEmitOutput: throwLanguageServiceIsDisabledError, - getProgram: throwLanguageServiceIsDisabledError, - getNonBoundSourceFile: throwLanguageServiceIsDisabledError, - dispose: throwLanguageServiceIsDisabledError, - getCompletionEntrySymbol: throwLanguageServiceIsDisabledError, - getImplementationAtPosition: throwLanguageServiceIsDisabledError, - getSourceFile: throwLanguageServiceIsDisabledError, - getCodeFixesAtPosition: throwLanguageServiceIsDisabledError - }; - server.nullLanguageServiceHost = { - setCompilationSettings: function () { return undefined; }, - notifyFileRemoved: function () { return undefined; } + return { + dispose: dispose, + cleanupSemanticCache: cleanupSemanticCache, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, + getSyntacticClassifications: getSyntacticClassifications, + getSemanticClassifications: getSemanticClassifications, + getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, + getEncodedSemanticClassifications: getEncodedSemanticClassifications, + getCompletionsAtPosition: getCompletionsAtPosition, + getCompletionEntryDetails: getCompletionEntryDetails, + getCompletionEntrySymbol: getCompletionEntrySymbol, + getSignatureHelpItems: getSignatureHelpItems, + getQuickInfoAtPosition: getQuickInfoAtPosition, + getDefinitionAtPosition: getDefinitionAtPosition, + getImplementationAtPosition: getImplementationAtPosition, + getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, + getReferencesAtPosition: getReferencesAtPosition, + findReferences: findReferences, + getOccurrencesAtPosition: getOccurrencesAtPosition, + getDocumentHighlights: getDocumentHighlights, + getNameOrDottedNameSpan: getNameOrDottedNameSpan, + getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, + getNavigateToItems: getNavigateToItems, + getRenameInfo: getRenameInfo, + findRenameLocations: findRenameLocations, + getNavigationBarItems: getNavigationBarItems, + getNavigationTree: getNavigationTree, + getOutliningSpans: getOutliningSpans, + getTodoComments: getTodoComments, + getBraceMatchingAtPosition: getBraceMatchingAtPosition, + getIndentationAtPosition: getIndentationAtPosition, + getFormattingEditsForRange: getFormattingEditsForRange, + getFormattingEditsForDocument: getFormattingEditsForDocument, + getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, + getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, + isValidBraceCompletionAtPosition: isValidBraceCompletionAtPosition, + getCodeFixesAtPosition: getCodeFixesAtPosition, + getEmitOutput: getEmitOutput, + getNonBoundSourceFile: getNonBoundSourceFile, + getSourceFile: getSourceFile, + getProgram: getProgram }; - function isInferredProjectName(name) { - return /dev\/null\/inferredProject\d+\*/.test(name); - } - server.isInferredProjectName = isInferredProjectName; - function makeInferredProjectName(counter) { - return "/dev/null/inferredProject" + counter + "*"; + } + ts.createLanguageService = createLanguageService; + function getNameTable(sourceFile) { + if (!sourceFile.nameTable) { + initializeNameTable(sourceFile); } - server.makeInferredProjectName = makeInferredProjectName; - var ThrottledOperations = (function () { - function ThrottledOperations(host) { - this.host = host; - this.pendingTimeouts = ts.createMap(); - } - ThrottledOperations.prototype.schedule = function (operationId, delay, cb) { - if (ts.hasProperty(this.pendingTimeouts, operationId)) { - this.host.clearTimeout(this.pendingTimeouts[operationId]); - } - this.pendingTimeouts[operationId] = this.host.setTimeout(ThrottledOperations.run, delay, this, operationId, cb); - }; - ThrottledOperations.run = function (self, operationId, cb) { - delete self.pendingTimeouts[operationId]; - cb(); - }; - return ThrottledOperations; - }()); - server.ThrottledOperations = ThrottledOperations; - var GcTimer = (function () { - function GcTimer(host, delay, logger) { - this.host = host; - this.delay = delay; - this.logger = logger; + return sourceFile.nameTable; + } + ts.getNameTable = getNameTable; + function initializeNameTable(sourceFile) { + var nameTable = ts.createMap(); + walk(sourceFile); + sourceFile.nameTable = nameTable; + function walk(node) { + switch (node.kind) { + case 70: + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + break; + case 9: + case 8: + if (ts.isDeclarationName(node) || + node.parent.kind === 241 || + isArgumentOfElementAccessExpression(node) || + ts.isLiteralComputedPropertyDeclarationName(node)) { + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + } + break; + default: + ts.forEachChild(node, walk); + if (node.jsDocComments) { + for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) { + var jsDocComment = _a[_i]; + ts.forEachChild(jsDocComment, walk); + } + } } - GcTimer.prototype.scheduleCollect = function () { - if (!this.host.gc || this.timerId != undefined) { - return; - } - this.timerId = this.host.setTimeout(GcTimer.run, this.delay, this); - }; - GcTimer.run = function (self) { - self.timerId = undefined; - var log = self.logger.hasLevel(LogLevel.requestTime); - var before = log && self.host.getMemoryUsage(); - self.host.gc(); - if (log) { - var after = self.host.getMemoryUsage(); - self.logger.perftrc("GC::before " + before + ", after " + after); - } - }; - return GcTimer; - }()); - server.GcTimer = GcTimer; - })(server = ts.server || (ts.server = {})); + } + } + function isArgumentOfElementAccessExpression(node) { + return node && + node.parent && + node.parent.kind === 174 && + node.parent.argumentExpression === node; + } + function getDefaultLibFilePath(options) { + if (typeof __dirname !== "undefined") { + return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); + } + throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); + } + ts.getDefaultLibFilePath = getDefaultLibFilePath; + function initializeServices() { + ts.objectAllocator = getServicesObjectAllocator(); + } + initializeServices(); })(ts || (ts = {})); var ts; (function (ts) { @@ -63639,7 +61823,15 @@ var ts; return primaryResult; }; } - LSHost.prototype.resolveNamesWithLocalCache = function (names, containingFile, cache, loader, getResult) { + LSHost.prototype.startRecordingFilesWithChangedResolutions = function () { + this.filesWithChangedSetOfUnresolvedImports = []; + }; + LSHost.prototype.finishRecordingFilesWithChangedResolutions = function () { + var collected = this.filesWithChangedSetOfUnresolvedImports; + this.filesWithChangedSetOfUnresolvedImports = undefined; + return collected; + }; + LSHost.prototype.resolveNamesWithLocalCache = function (names, containingFile, cache, loader, getResult, logChanges) { var path = ts.toPath(containingFile, this.host.getCurrentDirectory(), this.getCanonicalFileName); var currentResolutionsInFile = cache.get(path); var newResolutions = ts.createMap(); @@ -63657,12 +61849,33 @@ var ts; else { newResolutions[name_52] = resolution = loader(name_52, containingFile, compilerOptions, this); } + if (logChanges && this.filesWithChangedSetOfUnresolvedImports && !resolutionIsEqualTo(existingResolution, resolution)) { + this.filesWithChangedSetOfUnresolvedImports.push(path); + logChanges = false; + } } ts.Debug.assert(resolution !== undefined); resolvedModules.push(getResult(resolution)); } cache.set(path, newResolutions); return resolvedModules; + function resolutionIsEqualTo(oldResolution, newResolution) { + if (oldResolution === newResolution) { + return true; + } + if (!oldResolution || !newResolution) { + return false; + } + var oldResult = getResult(oldResolution); + var newResult = getResult(newResolution); + if (oldResult === newResult) { + return true; + } + if (!oldResult || !newResult) { + return false; + } + return oldResult.resolvedFileName === newResult.resolvedFileName; + } function moduleResolutionIsValid(resolution) { if (!resolution) { return false; @@ -63690,10 +61903,10 @@ var ts; return this.cancellationToken; }; LSHost.prototype.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) { - return this.resolveNamesWithLocalCache(typeDirectiveNames, containingFile, this.resolvedTypeReferenceDirectives, ts.resolveTypeReferenceDirective, function (m) { return m.resolvedTypeReferenceDirective; }); + return this.resolveNamesWithLocalCache(typeDirectiveNames, containingFile, this.resolvedTypeReferenceDirectives, ts.resolveTypeReferenceDirective, function (m) { return m.resolvedTypeReferenceDirective; }, false); }; LSHost.prototype.resolveModuleNames = function (moduleNames, containingFile) { - return this.resolveNamesWithLocalCache(moduleNames, containingFile, this.resolvedModuleNames, this.resolveModuleName, function (m) { return m.resolvedModule; }); + return this.resolveNamesWithLocalCache(moduleNames, containingFile, this.resolvedModuleNames, this.resolveModuleName, function (m) { return m.resolvedModule; }, true); }; LSHost.prototype.getDefaultLibFileName = function () { var nodeModuleBinDir = ts.getDirectoryPath(ts.normalizePath(this.host.getExecutingFilePath())); @@ -63745,9 +61958,11 @@ var ts; this.resolvedTypeReferenceDirectives.remove(info.path); }; LSHost.prototype.setCompilationSettings = function (opt) { + if (ts.changesAffectModuleResolution(this.compilationSettings, opt)) { + this.resolvedModuleNames.clear(); + this.resolvedTypeReferenceDirectives.clear(); + } this.compilationSettings = opt; - this.resolvedModuleNames.clear(); - this.resolvedTypeReferenceDirectives.clear(); }; return LSHost; }()); @@ -63759,9 +61974,9 @@ var ts; var server; (function (server) { server.nullTypingsInstaller = { - enqueueInstallTypingsRequest: function () { }, - attach: function () { }, - onProjectClosed: function () { }, + enqueueInstallTypingsRequest: ts.noop, + attach: ts.noop, + onProjectClosed: ts.noop, globalTypingsCacheLocation: undefined }; var TypingsCacheEntry = (function () { @@ -63805,48 +62020,52 @@ var ts; function compilerOptionsChanged(opt1, opt2) { return opt1.allowJs != opt2.allowJs; } - function toTypingsArray(arr) { - arr.sort(); - return arr; + function unresolvedImportsChanged(imports1, imports2) { + if (imports1 === imports2) { + return false; + } + return !ts.arrayIsEqualTo(imports1, imports2); } var TypingsCache = (function () { function TypingsCache(installer) { this.installer = installer; this.perProjectCache = ts.createMap(); } - TypingsCache.prototype.getTypingsForProject = function (project, forceRefresh) { + TypingsCache.prototype.getTypingsForProject = function (project, unresolvedImports, forceRefresh) { var typingOptions = project.getTypingOptions(); if (!typingOptions || !typingOptions.enableAutoDiscovery) { return server.emptyArray; } var entry = this.perProjectCache[project.getProjectName()]; var result = entry ? entry.typings : server.emptyArray; - if (forceRefresh || !entry || typingOptionsChanged(typingOptions, entry.typingOptions) || compilerOptionsChanged(project.getCompilerOptions(), entry.compilerOptions)) { + if (forceRefresh || + !entry || + typingOptionsChanged(typingOptions, entry.typingOptions) || + compilerOptionsChanged(project.getCompilerOptions(), entry.compilerOptions) || + unresolvedImportsChanged(unresolvedImports, entry.unresolvedImports)) { this.perProjectCache[project.getProjectName()] = { compilerOptions: project.getCompilerOptions(), typingOptions: typingOptions, typings: result, + unresolvedImports: unresolvedImports, poisoned: true }; - this.installer.enqueueInstallTypingsRequest(project, typingOptions); + this.installer.enqueueInstallTypingsRequest(project, typingOptions, unresolvedImports); } return result; }; - TypingsCache.prototype.invalidateCachedTypingsForProject = function (project) { - var typingOptions = project.getTypingOptions(); - if (!typingOptions.enableAutoDiscovery) { - return; - } - this.installer.enqueueInstallTypingsRequest(project, typingOptions); - }; - TypingsCache.prototype.updateTypingsForProject = function (projectName, compilerOptions, typingOptions, newTypings) { + TypingsCache.prototype.updateTypingsForProject = function (projectName, compilerOptions, typingOptions, unresolvedImports, newTypings) { this.perProjectCache[projectName] = { compilerOptions: compilerOptions, typingOptions: typingOptions, - typings: toTypingsArray(newTypings), + typings: server.toSortedReadonlyArray(newTypings), + unresolvedImports: unresolvedImports, poisoned: false }; }; + TypingsCache.prototype.deleteTypingsForProject = function (projectName) { + delete this.perProjectCache[projectName]; + }; TypingsCache.prototype.onProjectClosed = function (project) { delete this.perProjectCache[project.getProjectName()]; this.installer.onProjectClosed(project); @@ -64211,6 +62430,32 @@ var ts; return counts.ts === 0 && counts.tsx === 0; } server.allFilesAreJsOrDts = allFilesAreJsOrDts; + var UnresolvedImportsMap = (function () { + function UnresolvedImportsMap() { + this.perFileMap = ts.createFileMap(); + this.version = 0; + } + UnresolvedImportsMap.prototype.clear = function () { + this.perFileMap.clear(); + this.version = 0; + }; + UnresolvedImportsMap.prototype.getVersion = function () { + return this.version; + }; + UnresolvedImportsMap.prototype.remove = function (path) { + this.perFileMap.remove(path); + this.version++; + }; + UnresolvedImportsMap.prototype.get = function (path) { + return this.perFileMap.get(path); + }; + UnresolvedImportsMap.prototype.set = function (path, value) { + this.perFileMap.set(path, value); + this.version++; + }; + return UnresolvedImportsMap; + }()); + server.UnresolvedImportsMap = UnresolvedImportsMap; var Project = (function () { function Project(projectKind, projectService, documentRegistry, hasExplicitListOfFiles, languageServiceEnabled, compilerOptions, compileOnSaveEnabled) { this.projectKind = projectKind; @@ -64221,6 +62466,7 @@ var ts; this.compileOnSaveEnabled = compileOnSaveEnabled; this.rootFiles = []; this.rootFilesMap = ts.createFileMap(); + this.cachedUnresolvedImportsPerFile = new UnresolvedImportsMap(); this.lastReportedVersion = 0; this.projectStructureVersion = 0; this.projectStateVersion = 0; @@ -64250,6 +62496,9 @@ var ts; this.updateGraph(); return hasOneOrMoreJsAndNoTsFiles(this); }; + Project.prototype.getCachedUnresolvedImportsPerFile_TestOnly = function () { + return this.cachedUnresolvedImportsPerFile; + }; Project.prototype.getProjectErrors = function () { return this.projectErrors; }; @@ -64412,6 +62661,7 @@ var ts; if (detachFromProject === void 0) { detachFromProject = true; } this.removeRootFileIfNecessary(info); this.lsHost.notifyFileRemoved(info); + this.cachedUnresolvedImportsPerFile.remove(info.path); if (detachFromProject) { info.detachFromProject(this); } @@ -64420,12 +62670,56 @@ var ts; Project.prototype.markAsDirty = function () { this.projectStateVersion++; }; + Project.prototype.extractUnresolvedImportsFromSourceFile = function (file, result) { + var cached = this.cachedUnresolvedImportsPerFile.get(file.path); + if (cached) { + for (var _i = 0, cached_1 = cached; _i < cached_1.length; _i++) { + var f = cached_1[_i]; + result.push(f); + } + return; + } + var unresolvedImports; + if (file.resolvedModules) { + for (var name_53 in file.resolvedModules) { + if (!file.resolvedModules[name_53] && !ts.isExternalModuleNameRelative(name_53)) { + var trimmed = name_53.trim(); + var i = trimmed.indexOf("/"); + if (i !== -1 && trimmed.charCodeAt(0) === 64) { + i = trimmed.indexOf("/", i + 1); + } + if (i !== -1) { + trimmed = trimmed.substr(0, i); + } + (unresolvedImports || (unresolvedImports = [])).push(trimmed); + result.push(trimmed); + } + } + } + this.cachedUnresolvedImportsPerFile.set(file.path, unresolvedImports || server.emptyArray); + }; Project.prototype.updateGraph = function () { if (!this.languageServiceEnabled) { return true; } + this.lsHost.startRecordingFilesWithChangedResolutions(); var hasChanges = this.updateGraphWorker(); - var cachedTypings = this.projectService.typingsCache.getTypingsForProject(this, hasChanges); + var changedFiles = this.lsHost.finishRecordingFilesWithChangedResolutions() || server.emptyArray; + for (var _i = 0, changedFiles_1 = changedFiles; _i < changedFiles_1.length; _i++) { + var file = changedFiles_1[_i]; + this.cachedUnresolvedImportsPerFile.remove(file); + } + var unresolvedImports; + if (hasChanges || changedFiles.length) { + var result = []; + for (var _a = 0, _b = this.program.getSourceFiles(); _a < _b.length; _a++) { + var sourceFile = _b[_a]; + this.extractUnresolvedImportsFromSourceFile(sourceFile, result); + } + this.lastCachedUnresolvedImportsList = server.toSortedReadonlyArray(result); + } + unresolvedImports = this.lastCachedUnresolvedImportsList; + var cachedTypings = this.projectService.typingsCache.getTypingsForProject(this, unresolvedImports, hasChanges); if (this.setTypings(cachedTypings)) { hasChanges = this.updateGraphWorker() || hasChanges; } @@ -64498,6 +62792,10 @@ var ts; compilerOptions.allowJs = true; } compilerOptions.allowNonTsExtensions = true; + if (ts.changesAffectModuleResolution(this.compilerOptions, compilerOptions)) { + this.cachedUnresolvedImportsPerFile.clear(); + this.lastCachedUnresolvedImportsList = undefined; + } this.compilerOptions = compilerOptions; this.lsHost.setCompilationSettings(compilerOptions); this.markAsDirty(); @@ -64965,13 +63263,13 @@ var ts; } switch (response.kind) { case "set": - this.typingsCache.updateTypingsForProject(response.projectName, response.compilerOptions, response.typingOptions, response.typings); - project.updateGraph(); + this.typingsCache.updateTypingsForProject(response.projectName, response.compilerOptions, response.typingOptions, response.unresolvedImports, response.typings); break; case "invalidate": - this.typingsCache.invalidateCachedTypingsForProject(project); + this.typingsCache.deleteTypingsForProject(response.projectName); break; } + project.updateGraph(); }; ProjectService.prototype.setCompilerOptionsForInferredProjects = function (projectCompilerOptions) { this.compilerOptionsForInferredProjects = convertCompilerOptions(projectCompilerOptions); @@ -65658,13 +63956,13 @@ var ts; this.printProjects(); }; ProjectService.prototype.collectChanges = function (lastKnownProjectVersions, currentProjects, result) { - var _loop_3 = function (proj) { + var _loop_4 = function (proj) { var knownProject = ts.forEach(lastKnownProjectVersions, function (p) { return p.projectName === proj.getProjectName() && p; }); result.push(proj.getChangesSinceVersion(knownProject && knownProject.version)); }; for (var _i = 0, currentProjects_1 = currentProjects; _i < currentProjects_1.length; _i++) { var proj = currentProjects_1[_i]; - _loop_3(proj); + _loop_4(proj); } }; ProjectService.prototype.synchronizeProjectList = function (knownProjects) { @@ -65686,8 +63984,8 @@ var ts; } } if (changedFiles) { - for (var _a = 0, changedFiles_1 = changedFiles; _a < changedFiles_1.length; _a++) { - var file = changedFiles_1[_a]; + for (var _a = 0, changedFiles_2 = changedFiles; _a < changedFiles_2.length; _a++) { + var file = changedFiles_2[_a]; var scriptInfo = this.getScriptInfo(file.fileName); ts.Debug.assert(!!scriptInfo); for (var i = file.changes.length - 1; i >= 0; i--) { @@ -66887,9 +65185,9 @@ var ts; if (simplifiedResult) { return completions.entries.reduce(function (result, entry) { if (completions.isMemberCompletion || (entry.name.toLowerCase().indexOf(prefix.toLowerCase()) === 0)) { - var name_53 = entry.name, kind = entry.kind, kindModifiers = entry.kindModifiers, sortText = entry.sortText, replacementSpan = entry.replacementSpan; + var name_54 = entry.name, kind = entry.kind, kindModifiers = entry.kindModifiers, sortText = entry.sortText, replacementSpan = entry.replacementSpan; var convertedSpan = replacementSpan ? _this.decorateSpan(replacementSpan, scriptInfo) : undefined; - result.push({ name: name_53, kind: kind, kindModifiers: kindModifiers, sortText: sortText, replacementSpan: convertedSpan }); + result.push({ name: name_54, kind: kind, kindModifiers: kindModifiers, sortText: sortText, replacementSpan: convertedSpan }); } return result; }, []).sort(function (a, b) { return ts.compareStrings(a.name, b.name); }); @@ -67479,659 +65777,1348 @@ var ts; if (this.goSubtree) { this.stack[this.stack.length] = child; } - return lineCollection; + return lineCollection; + }; + EditWalker.prototype.leaf = function (relativeStart, relativeLength, ll) { + if (this.state === CharRangeSection.Start) { + this.initialText = ll.text.substring(0, relativeStart); + } + else if (this.state === CharRangeSection.Entire) { + this.initialText = ll.text.substring(0, relativeStart); + this.trailingText = ll.text.substring(relativeStart + relativeLength); + } + else { + this.trailingText = ll.text.substring(relativeStart + relativeLength); + } + }; + return EditWalker; + }(BaseLineIndexWalker)); + var TextChange = (function () { + function TextChange(pos, deleteLen, insertedText) { + this.pos = pos; + this.deleteLen = deleteLen; + this.insertedText = insertedText; + } + TextChange.prototype.getTextChangeRange = function () { + return ts.createTextChangeRange(ts.createTextSpan(this.pos, this.deleteLen), this.insertedText ? this.insertedText.length : 0); + }; + return TextChange; + }()); + server.TextChange = TextChange; + var ScriptVersionCache = (function () { + function ScriptVersionCache() { + this.changes = []; + this.versions = new Array(ScriptVersionCache.maxVersions); + this.minVersion = 0; + this.currentVersion = 0; + } + ScriptVersionCache.prototype.versionToIndex = function (version) { + if (version < this.minVersion || version > this.currentVersion) { + return undefined; + } + return version % ScriptVersionCache.maxVersions; + }; + ScriptVersionCache.prototype.currentVersionToIndex = function () { + return this.currentVersion % ScriptVersionCache.maxVersions; + }; + ScriptVersionCache.prototype.edit = function (pos, deleteLen, insertedText) { + this.changes[this.changes.length] = new TextChange(pos, deleteLen, insertedText); + if ((this.changes.length > ScriptVersionCache.changeNumberThreshold) || + (deleteLen > ScriptVersionCache.changeLengthThreshold) || + (insertedText && (insertedText.length > ScriptVersionCache.changeLengthThreshold))) { + this.getSnapshot(); + } + }; + ScriptVersionCache.prototype.latest = function () { + return this.versions[this.currentVersionToIndex()]; + }; + ScriptVersionCache.prototype.latestVersion = function () { + if (this.changes.length > 0) { + this.getSnapshot(); + } + return this.currentVersion; + }; + ScriptVersionCache.prototype.reloadFromFile = function (filename) { + var content = this.host.readFile(filename); + if (!content) { + content = ""; + } + this.reload(content); + }; + ScriptVersionCache.prototype.reload = function (script) { + this.currentVersion++; + this.changes = []; + var snap = new LineIndexSnapshot(this.currentVersion, this); + for (var i = 0; i < this.versions.length; i++) { + this.versions[i] = undefined; + } + this.versions[this.currentVersionToIndex()] = snap; + snap.index = new LineIndex(); + var lm = LineIndex.linesFromText(script); + snap.index.load(lm.lines); + this.minVersion = this.currentVersion; + }; + ScriptVersionCache.prototype.getSnapshot = function () { + var snap = this.versions[this.currentVersionToIndex()]; + if (this.changes.length > 0) { + var snapIndex = snap.index; + for (var i = 0, len = this.changes.length; i < len; i++) { + var change = this.changes[i]; + snapIndex = snapIndex.edit(change.pos, change.deleteLen, change.insertedText); + } + snap = new LineIndexSnapshot(this.currentVersion + 1, this); + snap.index = snapIndex; + snap.changesSincePreviousVersion = this.changes; + this.currentVersion = snap.version; + this.versions[this.currentVersionToIndex()] = snap; + this.changes = []; + if ((this.currentVersion - this.minVersion) >= ScriptVersionCache.maxVersions) { + this.minVersion = (this.currentVersion - ScriptVersionCache.maxVersions) + 1; + } + } + return snap; + }; + ScriptVersionCache.prototype.getTextChangesBetweenVersions = function (oldVersion, newVersion) { + if (oldVersion < newVersion) { + if (oldVersion >= this.minVersion) { + var textChangeRanges = []; + for (var i = oldVersion + 1; i <= newVersion; i++) { + var snap = this.versions[this.versionToIndex(i)]; + for (var j = 0, len = snap.changesSincePreviousVersion.length; j < len; j++) { + var textChange = snap.changesSincePreviousVersion[j]; + textChangeRanges[textChangeRanges.length] = textChange.getTextChangeRange(); + } + } + return ts.collapseTextChangeRangesAcrossMultipleVersions(textChangeRanges); + } + else { + return undefined; + } + } + else { + return ts.unchangedTextChangeRange; + } + }; + ScriptVersionCache.fromString = function (host, script) { + var svc = new ScriptVersionCache(); + var snap = new LineIndexSnapshot(0, svc); + svc.versions[svc.currentVersion] = snap; + svc.host = host; + snap.index = new LineIndex(); + var lm = LineIndex.linesFromText(script); + snap.index.load(lm.lines); + return svc; + }; + return ScriptVersionCache; + }()); + ScriptVersionCache.changeNumberThreshold = 8; + ScriptVersionCache.changeLengthThreshold = 256; + ScriptVersionCache.maxVersions = 8; + server.ScriptVersionCache = ScriptVersionCache; + var LineIndexSnapshot = (function () { + function LineIndexSnapshot(version, cache) { + this.version = version; + this.cache = cache; + this.changesSincePreviousVersion = []; + } + LineIndexSnapshot.prototype.getText = function (rangeStart, rangeEnd) { + return this.index.getText(rangeStart, rangeEnd - rangeStart); + }; + LineIndexSnapshot.prototype.getLength = function () { + return this.index.root.charCount(); + }; + LineIndexSnapshot.prototype.getLineStartPositions = function () { + var starts = [-1]; + var count = 1; + var pos = 0; + this.index.every(function (ll) { + starts[count] = pos; + count++; + pos += ll.text.length; + return true; + }, 0); + return starts; + }; + LineIndexSnapshot.prototype.getLineMapper = function () { + var _this = this; + return function (line) { + return _this.index.lineNumberToInfo(line).offset; + }; + }; + LineIndexSnapshot.prototype.getTextChangeRangeSinceVersion = function (scriptVersion) { + if (this.version <= scriptVersion) { + return ts.unchangedTextChangeRange; + } + else { + return this.cache.getTextChangesBetweenVersions(scriptVersion, this.version); + } + }; + LineIndexSnapshot.prototype.getChangeRange = function (oldSnapshot) { + var oldSnap = oldSnapshot; + return this.getTextChangeRangeSinceVersion(oldSnap.version); + }; + return LineIndexSnapshot; + }()); + server.LineIndexSnapshot = LineIndexSnapshot; + var LineIndex = (function () { + function LineIndex() { + this.checkEdits = false; + } + LineIndex.prototype.charOffsetToLineNumberAndPos = function (charOffset) { + return this.root.charOffsetToLineNumberAndPos(1, charOffset); + }; + LineIndex.prototype.lineNumberToInfo = function (lineNumber) { + var lineCount = this.root.lineCount(); + if (lineNumber <= lineCount) { + var lineInfo = this.root.lineNumberToInfo(lineNumber, 0); + lineInfo.line = lineNumber; + return lineInfo; + } + else { + return { + line: lineNumber, + offset: this.root.charCount() + }; + } + }; + LineIndex.prototype.load = function (lines) { + if (lines.length > 0) { + var leaves = []; + for (var i = 0, len = lines.length; i < len; i++) { + leaves[i] = new LineLeaf(lines[i]); + } + this.root = LineIndex.buildTreeFromBottom(leaves); + } + else { + this.root = new LineNode(); + } + }; + LineIndex.prototype.walk = function (rangeStart, rangeLength, walkFns) { + this.root.walk(rangeStart, rangeLength, walkFns); + }; + LineIndex.prototype.getText = function (rangeStart, rangeLength) { + var accum = ""; + if ((rangeLength > 0) && (rangeStart < this.root.charCount())) { + this.walk(rangeStart, rangeLength, { + goSubtree: true, + done: false, + leaf: function (relativeStart, relativeLength, ll) { + accum = accum.concat(ll.text.substring(relativeStart, relativeStart + relativeLength)); + } + }); + } + return accum; + }; + LineIndex.prototype.getLength = function () { + return this.root.charCount(); + }; + LineIndex.prototype.every = function (f, rangeStart, rangeEnd) { + if (!rangeEnd) { + rangeEnd = this.root.charCount(); + } + var walkFns = { + goSubtree: true, + done: false, + leaf: function (relativeStart, relativeLength, ll) { + if (!f(ll, relativeStart, relativeLength)) { + this.done = true; + } + } + }; + this.walk(rangeStart, rangeEnd - rangeStart, walkFns); + return !walkFns.done; + }; + LineIndex.prototype.edit = function (pos, deleteLength, newText) { + function editFlat(source, s, dl, nt) { + if (nt === void 0) { nt = ""; } + return source.substring(0, s) + nt + source.substring(s + dl, source.length); + } + if (this.root.charCount() === 0) { + if (newText !== undefined) { + this.load(LineIndex.linesFromText(newText).lines); + return this; + } + } + else { + var checkText = void 0; + if (this.checkEdits) { + checkText = editFlat(this.getText(0, this.root.charCount()), pos, deleteLength, newText); + } + var walker = new EditWalker(); + if (pos >= this.root.charCount()) { + pos = this.root.charCount() - 1; + var endString = this.getText(pos, 1); + if (newText) { + newText = endString + newText; + } + else { + newText = endString; + } + deleteLength = 0; + walker.suppressTrailingText = true; + } + else if (deleteLength > 0) { + var e = pos + deleteLength; + var lineInfo = this.charOffsetToLineNumberAndPos(e); + if ((lineInfo && (lineInfo.offset === 0))) { + deleteLength += lineInfo.text.length; + if (newText) { + newText = newText + lineInfo.text; + } + else { + newText = lineInfo.text; + } + } + } + if (pos < this.root.charCount()) { + this.root.walk(pos, deleteLength, walker); + walker.insertLines(newText); + } + if (this.checkEdits) { + var updatedText = this.getText(0, this.root.charCount()); + ts.Debug.assert(checkText == updatedText, "buffer edit mismatch"); + } + return walker.lineIndex; + } + }; + LineIndex.buildTreeFromBottom = function (nodes) { + var nodeCount = Math.ceil(nodes.length / lineCollectionCapacity); + var interiorNodes = []; + var nodeIndex = 0; + for (var i = 0; i < nodeCount; i++) { + interiorNodes[i] = new LineNode(); + var charCount = 0; + var lineCount = 0; + for (var j = 0; j < lineCollectionCapacity; j++) { + if (nodeIndex < nodes.length) { + interiorNodes[i].add(nodes[nodeIndex]); + charCount += nodes[nodeIndex].charCount(); + lineCount += nodes[nodeIndex].lineCount(); + } + else { + break; + } + nodeIndex++; + } + interiorNodes[i].totalChars = charCount; + interiorNodes[i].totalLines = lineCount; + } + if (interiorNodes.length === 1) { + return interiorNodes[0]; + } + else { + return this.buildTreeFromBottom(interiorNodes); + } + }; + LineIndex.linesFromText = function (text) { + var lineStarts = ts.computeLineStarts(text); + if (lineStarts.length === 0) { + return { lines: [], lineMap: lineStarts }; + } + var lines = new Array(lineStarts.length); + var lc = lineStarts.length - 1; + for (var lmi = 0; lmi < lc; lmi++) { + lines[lmi] = text.substring(lineStarts[lmi], lineStarts[lmi + 1]); + } + var endText = text.substring(lineStarts[lc]); + if (endText.length > 0) { + lines[lc] = endText; + } + else { + lines.length--; + } + return { lines: lines, lineMap: lineStarts }; + }; + return LineIndex; + }()); + server.LineIndex = LineIndex; + var LineNode = (function () { + function LineNode() { + this.totalChars = 0; + this.totalLines = 0; + this.children = []; + } + LineNode.prototype.isLeaf = function () { + return false; + }; + LineNode.prototype.updateCounts = function () { + this.totalChars = 0; + this.totalLines = 0; + for (var i = 0, len = this.children.length; i < len; i++) { + var child = this.children[i]; + this.totalChars += child.charCount(); + this.totalLines += child.lineCount(); + } }; - EditWalker.prototype.leaf = function (relativeStart, relativeLength, ll) { - if (this.state === CharRangeSection.Start) { - this.initialText = ll.text.substring(0, relativeStart); + LineNode.prototype.execWalk = function (rangeStart, rangeLength, walkFns, childIndex, nodeType) { + if (walkFns.pre) { + walkFns.pre(rangeStart, rangeLength, this.children[childIndex], this, nodeType); } - else if (this.state === CharRangeSection.Entire) { - this.initialText = ll.text.substring(0, relativeStart); - this.trailingText = ll.text.substring(relativeStart + relativeLength); + if (walkFns.goSubtree) { + this.children[childIndex].walk(rangeStart, rangeLength, walkFns); + if (walkFns.post) { + walkFns.post(rangeStart, rangeLength, this.children[childIndex], this, nodeType); + } } else { - this.trailingText = ll.text.substring(relativeStart + relativeLength); + walkFns.goSubtree = true; } + return walkFns.done; }; - return EditWalker; - }(BaseLineIndexWalker)); - var TextChange = (function () { - function TextChange(pos, deleteLen, insertedText) { - this.pos = pos; - this.deleteLen = deleteLen; - this.insertedText = insertedText; - } - TextChange.prototype.getTextChangeRange = function () { - return ts.createTextChangeRange(ts.createTextSpan(this.pos, this.deleteLen), this.insertedText ? this.insertedText.length : 0); - }; - return TextChange; - }()); - server.TextChange = TextChange; - var ScriptVersionCache = (function () { - function ScriptVersionCache() { - this.changes = []; - this.versions = new Array(ScriptVersionCache.maxVersions); - this.minVersion = 0; - this.currentVersion = 0; - } - ScriptVersionCache.prototype.versionToIndex = function (version) { - if (version < this.minVersion || version > this.currentVersion) { - return undefined; + LineNode.prototype.skipChild = function (relativeStart, relativeLength, childIndex, walkFns, nodeType) { + if (walkFns.pre && (!walkFns.done)) { + walkFns.pre(relativeStart, relativeLength, this.children[childIndex], this, nodeType); + walkFns.goSubtree = true; } - return version % ScriptVersionCache.maxVersions; - }; - ScriptVersionCache.prototype.currentVersionToIndex = function () { - return this.currentVersion % ScriptVersionCache.maxVersions; }; - ScriptVersionCache.prototype.edit = function (pos, deleteLen, insertedText) { - this.changes[this.changes.length] = new TextChange(pos, deleteLen, insertedText); - if ((this.changes.length > ScriptVersionCache.changeNumberThreshold) || - (deleteLen > ScriptVersionCache.changeLengthThreshold) || - (insertedText && (insertedText.length > ScriptVersionCache.changeLengthThreshold))) { - this.getSnapshot(); + LineNode.prototype.walk = function (rangeStart, rangeLength, walkFns) { + var childIndex = 0; + var child = this.children[0]; + var childCharCount = child.charCount(); + var adjustedStart = rangeStart; + while (adjustedStart >= childCharCount) { + this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, CharRangeSection.PreStart); + adjustedStart -= childCharCount; + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + } + if ((adjustedStart + rangeLength) <= childCharCount) { + if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, CharRangeSection.Entire)) { + return; + } + } + else { + if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, CharRangeSection.Start)) { + return; + } + var adjustedLength = rangeLength - (childCharCount - adjustedStart); + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + while (adjustedLength > childCharCount) { + if (this.execWalk(0, childCharCount, walkFns, childIndex, CharRangeSection.Mid)) { + return; + } + adjustedLength -= childCharCount; + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + } + if (adjustedLength > 0) { + if (this.execWalk(0, adjustedLength, walkFns, childIndex, CharRangeSection.End)) { + return; + } + } + } + if (walkFns.pre) { + var clen = this.children.length; + if (childIndex < (clen - 1)) { + for (var ej = childIndex + 1; ej < clen; ej++) { + this.skipChild(0, 0, ej, walkFns, CharRangeSection.PostEnd); + } + } } }; - ScriptVersionCache.prototype.latest = function () { - return this.versions[this.currentVersionToIndex()]; + LineNode.prototype.charOffsetToLineNumberAndPos = function (lineNumber, charOffset) { + var childInfo = this.childFromCharOffset(lineNumber, charOffset); + if (!childInfo.child) { + return { + line: lineNumber, + offset: charOffset, + }; + } + else if (childInfo.childIndex < this.children.length) { + if (childInfo.child.isLeaf()) { + return { + line: childInfo.lineNumber, + offset: childInfo.charOffset, + text: (childInfo.child).text, + leaf: (childInfo.child) + }; + } + else { + var lineNode = (childInfo.child); + return lineNode.charOffsetToLineNumberAndPos(childInfo.lineNumber, childInfo.charOffset); + } + } + else { + var lineInfo = this.lineNumberToInfo(this.lineCount(), 0); + return { line: this.lineCount(), offset: lineInfo.leaf.charCount() }; + } }; - ScriptVersionCache.prototype.latestVersion = function () { - if (this.changes.length > 0) { - this.getSnapshot(); + LineNode.prototype.lineNumberToInfo = function (lineNumber, charOffset) { + var childInfo = this.childFromLineNumber(lineNumber, charOffset); + if (!childInfo.child) { + return { + line: lineNumber, + offset: charOffset + }; + } + else if (childInfo.child.isLeaf()) { + return { + line: lineNumber, + offset: childInfo.charOffset, + text: (childInfo.child).text, + leaf: (childInfo.child) + }; + } + else { + var lineNode = (childInfo.child); + return lineNode.lineNumberToInfo(childInfo.relativeLineNumber, childInfo.charOffset); } - return this.currentVersion; }; - ScriptVersionCache.prototype.reloadFromFile = function (filename) { - var content = this.host.readFile(filename); - if (!content) { - content = ""; + LineNode.prototype.childFromLineNumber = function (lineNumber, charOffset) { + var child; + var relativeLineNumber = lineNumber; + var i; + var len; + for (i = 0, len = this.children.length; i < len; i++) { + child = this.children[i]; + var childLineCount = child.lineCount(); + if (childLineCount >= relativeLineNumber) { + break; + } + else { + relativeLineNumber -= childLineCount; + charOffset += child.charCount(); + } } - this.reload(content); + return { + child: child, + childIndex: i, + relativeLineNumber: relativeLineNumber, + charOffset: charOffset + }; }; - ScriptVersionCache.prototype.reload = function (script) { - this.currentVersion++; - this.changes = []; - var snap = new LineIndexSnapshot(this.currentVersion, this); - for (var i = 0; i < this.versions.length; i++) { - this.versions[i] = undefined; + LineNode.prototype.childFromCharOffset = function (lineNumber, charOffset) { + var child; + var i; + var len; + for (i = 0, len = this.children.length; i < len; i++) { + child = this.children[i]; + if (child.charCount() > charOffset) { + break; + } + else { + charOffset -= child.charCount(); + lineNumber += child.lineCount(); + } } - this.versions[this.currentVersionToIndex()] = snap; - snap.index = new LineIndex(); - var lm = LineIndex.linesFromText(script); - snap.index.load(lm.lines); - this.minVersion = this.currentVersion; + return { + child: child, + childIndex: i, + charOffset: charOffset, + lineNumber: lineNumber + }; }; - ScriptVersionCache.prototype.getSnapshot = function () { - var snap = this.versions[this.currentVersionToIndex()]; - if (this.changes.length > 0) { - var snapIndex = snap.index; - for (var i = 0, len = this.changes.length; i < len; i++) { - var change = this.changes[i]; - snapIndex = snapIndex.edit(change.pos, change.deleteLen, change.insertedText); + LineNode.prototype.splitAfter = function (childIndex) { + var splitNode; + var clen = this.children.length; + childIndex++; + var endLength = childIndex; + if (childIndex < clen) { + splitNode = new LineNode(); + while (childIndex < clen) { + splitNode.add(this.children[childIndex]); + childIndex++; } - snap = new LineIndexSnapshot(this.currentVersion + 1, this); - snap.index = snapIndex; - snap.changesSincePreviousVersion = this.changes; - this.currentVersion = snap.version; - this.versions[this.currentVersionToIndex()] = snap; - this.changes = []; - if ((this.currentVersion - this.minVersion) >= ScriptVersionCache.maxVersions) { - this.minVersion = (this.currentVersion - ScriptVersionCache.maxVersions) + 1; + splitNode.updateCounts(); + } + this.children.length = endLength; + return splitNode; + }; + LineNode.prototype.remove = function (child) { + var childIndex = this.findChildIndex(child); + var clen = this.children.length; + if (childIndex < (clen - 1)) { + for (var i = childIndex; i < (clen - 1); i++) { + this.children[i] = this.children[i + 1]; } } - return snap; + this.children.length--; }; - ScriptVersionCache.prototype.getTextChangesBetweenVersions = function (oldVersion, newVersion) { - if (oldVersion < newVersion) { - if (oldVersion >= this.minVersion) { - var textChangeRanges = []; - for (var i = oldVersion + 1; i <= newVersion; i++) { - var snap = this.versions[this.versionToIndex(i)]; - for (var j = 0, len = snap.changesSincePreviousVersion.length; j < len; j++) { - var textChange = snap.changesSincePreviousVersion[j]; - textChangeRanges[textChangeRanges.length] = textChange.getTextChangeRange(); + LineNode.prototype.findChildIndex = function (child) { + var childIndex = 0; + var clen = this.children.length; + while ((this.children[childIndex] !== child) && (childIndex < clen)) + childIndex++; + return childIndex; + }; + LineNode.prototype.insertAt = function (child, nodes) { + var childIndex = this.findChildIndex(child); + var clen = this.children.length; + var nodeCount = nodes.length; + if ((clen < lineCollectionCapacity) && (childIndex === (clen - 1)) && (nodeCount === 1)) { + this.add(nodes[0]); + this.updateCounts(); + return []; + } + else { + var shiftNode = this.splitAfter(childIndex); + var nodeIndex = 0; + childIndex++; + while ((childIndex < lineCollectionCapacity) && (nodeIndex < nodeCount)) { + this.children[childIndex] = nodes[nodeIndex]; + childIndex++; + nodeIndex++; + } + var splitNodes = []; + var splitNodeCount = 0; + if (nodeIndex < nodeCount) { + splitNodeCount = Math.ceil((nodeCount - nodeIndex) / lineCollectionCapacity); + splitNodes = new Array(splitNodeCount); + var splitNodeIndex = 0; + for (var i = 0; i < splitNodeCount; i++) { + splitNodes[i] = new LineNode(); + } + var splitNode = splitNodes[0]; + while (nodeIndex < nodeCount) { + splitNode.add(nodes[nodeIndex]); + nodeIndex++; + if (splitNode.children.length === lineCollectionCapacity) { + splitNodeIndex++; + splitNode = splitNodes[splitNodeIndex]; + } + } + for (var i = splitNodes.length - 1; i >= 0; i--) { + if (splitNodes[i].children.length === 0) { + splitNodes.length--; } } - return ts.collapseTextChangeRangesAcrossMultipleVersions(textChangeRanges); } - else { - return undefined; + if (shiftNode) { + splitNodes[splitNodes.length] = shiftNode; } - } - else { - return ts.unchangedTextChangeRange; + this.updateCounts(); + for (var i = 0; i < splitNodeCount; i++) { + splitNodes[i].updateCounts(); + } + return splitNodes; } }; - ScriptVersionCache.fromString = function (host, script) { - var svc = new ScriptVersionCache(); - var snap = new LineIndexSnapshot(0, svc); - svc.versions[svc.currentVersion] = snap; - svc.host = host; - snap.index = new LineIndex(); - var lm = LineIndex.linesFromText(script); - snap.index.load(lm.lines); - return svc; + LineNode.prototype.add = function (collection) { + this.children[this.children.length] = collection; + return (this.children.length < lineCollectionCapacity); }; - return ScriptVersionCache; + LineNode.prototype.charCount = function () { + return this.totalChars; + }; + LineNode.prototype.lineCount = function () { + return this.totalLines; + }; + return LineNode; }()); - ScriptVersionCache.changeNumberThreshold = 8; - ScriptVersionCache.changeLengthThreshold = 256; - ScriptVersionCache.maxVersions = 8; - server.ScriptVersionCache = ScriptVersionCache; - var LineIndexSnapshot = (function () { - function LineIndexSnapshot(version, cache) { - this.version = version; - this.cache = cache; - this.changesSincePreviousVersion = []; + server.LineNode = LineNode; + var LineLeaf = (function () { + function LineLeaf(text) { + this.text = text; + } + LineLeaf.prototype.isLeaf = function () { + return true; + }; + LineLeaf.prototype.walk = function (rangeStart, rangeLength, walkFns) { + walkFns.leaf(rangeStart, rangeLength, this); + }; + LineLeaf.prototype.charCount = function () { + return this.text.length; + }; + LineLeaf.prototype.lineCount = function () { + return 1; + }; + return LineLeaf; + }()); + server.LineLeaf = LineLeaf; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var debugObjectHost = (function () { return this; })(); +var ts; +(function (ts) { + function logInternalError(logger, err) { + if (logger) { + logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); + } + } + var ScriptSnapshotShimAdapter = (function () { + function ScriptSnapshotShimAdapter(scriptSnapshotShim) { + this.scriptSnapshotShim = scriptSnapshotShim; + } + ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { + return this.scriptSnapshotShim.getText(start, end); + }; + ScriptSnapshotShimAdapter.prototype.getLength = function () { + return this.scriptSnapshotShim.getLength(); + }; + ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { + var oldSnapshotShim = oldSnapshot; + var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); + if (encoded == null) { + return null; + } + var decoded = JSON.parse(encoded); + return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + }; + ScriptSnapshotShimAdapter.prototype.dispose = function () { + if ("dispose" in this.scriptSnapshotShim) { + this.scriptSnapshotShim.dispose(); + } + }; + return ScriptSnapshotShimAdapter; + }()); + var LanguageServiceShimHostAdapter = (function () { + function LanguageServiceShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.loggingEnabled = false; + this.tracingEnabled = false; + if ("getModuleResolutionsForFile" in this.shimHost) { + this.resolveModuleNames = function (moduleNames, containingFile) { + var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); + return ts.map(moduleNames, function (name) { + var result = ts.getProperty(resolutionsInFile, name); + return result ? { resolvedFileName: result } : undefined; + }); + }; + } + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + if ("getTypeReferenceDirectiveResolutionsForFile" in this.shimHost) { + this.resolveTypeReferenceDirectives = function (typeDirectiveNames, containingFile) { + var typeDirectivesForFile = JSON.parse(_this.shimHost.getTypeReferenceDirectiveResolutionsForFile(containingFile)); + return ts.map(typeDirectiveNames, function (name) { return ts.getProperty(typeDirectivesForFile, name); }); + }; + } + } + LanguageServiceShimHostAdapter.prototype.log = function (s) { + if (this.loggingEnabled) { + this.shimHost.log(s); + } + }; + LanguageServiceShimHostAdapter.prototype.trace = function (s) { + if (this.tracingEnabled) { + this.shimHost.trace(s); + } + }; + LanguageServiceShimHostAdapter.prototype.error = function (s) { + this.shimHost.error(s); + }; + LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { + if (!this.shimHost.getProjectVersion) { + return undefined; + } + return this.shimHost.getProjectVersion(); + }; + LanguageServiceShimHostAdapter.prototype.getTypeRootsVersion = function () { + if (!this.shimHost.getTypeRootsVersion) { + return 0; + } + return this.shimHost.getTypeRootsVersion(); + }; + LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { + return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + }; + LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { + var settingsJson = this.shimHost.getCompilationSettings(); + if (settingsJson == null || settingsJson == "") { + throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); + } + return JSON.parse(settingsJson); + }; + LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { + var encoded = this.shimHost.getScriptFileNames(); + return this.files = JSON.parse(encoded); + }; + LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { + var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); + return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + }; + LanguageServiceShimHostAdapter.prototype.getScriptKind = function (fileName) { + if ("getScriptKind" in this.shimHost) { + return this.shimHost.getScriptKind(fileName); + } + else { + return 0; + } + }; + LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { + return this.shimHost.getScriptVersion(fileName); + }; + LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { + var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); + if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { + return null; + } + try { + return JSON.parse(diagnosticMessagesJson); + } + catch (e) { + this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); + return null; + } + }; + LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { + var hostCancellationToken = this.shimHost.getCancellationToken(); + return new ThrottledCancellationToken(hostCancellationToken); + }; + LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { + return this.shimHost.getCurrentDirectory(); + }; + LanguageServiceShimHostAdapter.prototype.getDirectories = function (path) { + return JSON.parse(this.shimHost.getDirectories(path)); + }; + LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { + return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + }; + LanguageServiceShimHostAdapter.prototype.readDirectory = function (path, extensions, exclude, include, depth) { + var pattern = ts.getFileMatcherPatterns(path, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); + return JSON.parse(this.shimHost.readDirectory(path, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + }; + LanguageServiceShimHostAdapter.prototype.readFile = function (path, encoding) { + return this.shimHost.readFile(path, encoding); + }; + LanguageServiceShimHostAdapter.prototype.fileExists = function (path) { + return this.shimHost.fileExists(path); + }; + return LanguageServiceShimHostAdapter; + }()); + ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; + var ThrottledCancellationToken = (function () { + function ThrottledCancellationToken(hostCancellationToken) { + this.hostCancellationToken = hostCancellationToken; + this.lastCancellationCheckTime = 0; + } + ThrottledCancellationToken.prototype.isCancellationRequested = function () { + var time = ts.timestamp(); + var duration = Math.abs(time - this.lastCancellationCheckTime); + if (duration > 10) { + this.lastCancellationCheckTime = time; + return this.hostCancellationToken.isCancellationRequested(); } - LineIndexSnapshot.prototype.getText = function (rangeStart, rangeEnd) { - return this.index.getText(rangeStart, rangeEnd - rangeStart); - }; - LineIndexSnapshot.prototype.getLength = function () { - return this.index.root.charCount(); - }; - LineIndexSnapshot.prototype.getLineStartPositions = function () { - var starts = [-1]; - var count = 1; - var pos = 0; - this.index.every(function (ll) { - starts[count] = pos; - count++; - pos += ll.text.length; - return true; - }, 0); - return starts; - }; - LineIndexSnapshot.prototype.getLineMapper = function () { - var _this = this; - return function (line) { - return _this.index.lineNumberToInfo(line).offset; - }; - }; - LineIndexSnapshot.prototype.getTextChangeRangeSinceVersion = function (scriptVersion) { - if (this.version <= scriptVersion) { - return ts.unchangedTextChangeRange; - } - else { - return this.cache.getTextChangesBetweenVersions(scriptVersion, this.version); - } - }; - LineIndexSnapshot.prototype.getChangeRange = function (oldSnapshot) { - var oldSnap = oldSnapshot; - return this.getTextChangeRangeSinceVersion(oldSnap.version); - }; - return LineIndexSnapshot; - }()); - server.LineIndexSnapshot = LineIndexSnapshot; - var LineIndex = (function () { - function LineIndex() { - this.checkEdits = false; + return false; + }; + return ThrottledCancellationToken; + }()); + var CoreServicesShimHostAdapter = (function () { + function CoreServicesShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.useCaseSensitiveFileNames = this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; } - LineIndex.prototype.charOffsetToLineNumberAndPos = function (charOffset) { - return this.root.charOffsetToLineNumberAndPos(1, charOffset); - }; - LineIndex.prototype.lineNumberToInfo = function (lineNumber) { - var lineCount = this.root.lineCount(); - if (lineNumber <= lineCount) { - var lineInfo = this.root.lineNumberToInfo(lineNumber, 0); - lineInfo.line = lineNumber; - return lineInfo; - } - else { - return { - line: lineNumber, - offset: this.root.charCount() - }; - } - }; - LineIndex.prototype.load = function (lines) { - if (lines.length > 0) { - var leaves = []; - for (var i = 0, len = lines.length; i < len; i++) { - leaves[i] = new LineLeaf(lines[i]); - } - this.root = LineIndex.buildTreeFromBottom(leaves); - } - else { - this.root = new LineNode(); - } - }; - LineIndex.prototype.walk = function (rangeStart, rangeLength, walkFns) { - this.root.walk(rangeStart, rangeLength, walkFns); - }; - LineIndex.prototype.getText = function (rangeStart, rangeLength) { - var accum = ""; - if ((rangeLength > 0) && (rangeStart < this.root.charCount())) { - this.walk(rangeStart, rangeLength, { - goSubtree: true, - done: false, - leaf: function (relativeStart, relativeLength, ll) { - accum = accum.concat(ll.text.substring(relativeStart, relativeStart + relativeLength)); - } - }); - } - return accum; - }; - LineIndex.prototype.getLength = function () { - return this.root.charCount(); - }; - LineIndex.prototype.every = function (f, rangeStart, rangeEnd) { - if (!rangeEnd) { - rangeEnd = this.root.charCount(); - } - var walkFns = { - goSubtree: true, - done: false, - leaf: function (relativeStart, relativeLength, ll) { - if (!f(ll, relativeStart, relativeLength)) { - this.done = true; - } - } - }; - this.walk(rangeStart, rangeEnd - rangeStart, walkFns); - return !walkFns.done; - }; - LineIndex.prototype.edit = function (pos, deleteLength, newText) { - function editFlat(source, s, dl, nt) { - if (nt === void 0) { nt = ""; } - return source.substring(0, s) + nt + source.substring(s + dl, source.length); - } - if (this.root.charCount() === 0) { - if (newText !== undefined) { - this.load(LineIndex.linesFromText(newText).lines); - return this; - } - } - else { - var checkText = void 0; - if (this.checkEdits) { - checkText = editFlat(this.getText(0, this.root.charCount()), pos, deleteLength, newText); - } - var walker = new EditWalker(); - if (pos >= this.root.charCount()) { - pos = this.root.charCount() - 1; - var endString = this.getText(pos, 1); - if (newText) { - newText = endString + newText; - } - else { - newText = endString; - } - deleteLength = 0; - walker.suppressTrailingText = true; - } - else if (deleteLength > 0) { - var e = pos + deleteLength; - var lineInfo = this.charOffsetToLineNumberAndPos(e); - if ((lineInfo && (lineInfo.offset === 0))) { - deleteLength += lineInfo.text.length; - if (newText) { - newText = newText + lineInfo.text; - } - else { - newText = lineInfo.text; - } - } - } - if (pos < this.root.charCount()) { - this.root.walk(pos, deleteLength, walker); - walker.insertLines(newText); - } - if (this.checkEdits) { - var updatedText = this.getText(0, this.root.charCount()); - ts.Debug.assert(checkText == updatedText, "buffer edit mismatch"); - } - return walker.lineIndex; - } - }; - LineIndex.buildTreeFromBottom = function (nodes) { - var nodeCount = Math.ceil(nodes.length / lineCollectionCapacity); - var interiorNodes = []; - var nodeIndex = 0; - for (var i = 0; i < nodeCount; i++) { - interiorNodes[i] = new LineNode(); - var charCount = 0; - var lineCount = 0; - for (var j = 0; j < lineCollectionCapacity; j++) { - if (nodeIndex < nodes.length) { - interiorNodes[i].add(nodes[nodeIndex]); - charCount += nodes[nodeIndex].charCount(); - lineCount += nodes[nodeIndex].lineCount(); - } - else { - break; + if ("realpath" in this.shimHost) { + this.realpath = function (path) { return _this.shimHost.realpath(path); }; + } + } + CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extensions, exclude, include, depth) { + try { + var pattern = ts.getFileMatcherPatterns(rootDir, exclude, include, this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory()); + return JSON.parse(this.shimHost.readDirectory(rootDir, JSON.stringify(extensions), JSON.stringify(pattern.basePaths), pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern, depth)); + } + catch (e) { + var results = []; + for (var _i = 0, extensions_2 = extensions; _i < extensions_2.length; _i++) { + var extension = extensions_2[_i]; + for (var _a = 0, _b = this.readDirectoryFallback(rootDir, extension, exclude); _a < _b.length; _a++) { + var file = _b[_a]; + if (!ts.contains(results, file)) { + results.push(file); } - nodeIndex++; } - interiorNodes[i].totalChars = charCount; - interiorNodes[i].totalLines = lineCount; } - if (interiorNodes.length === 1) { - return interiorNodes[0]; - } - else { - return this.buildTreeFromBottom(interiorNodes); - } - }; - LineIndex.linesFromText = function (text) { - var lineStarts = ts.computeLineStarts(text); - if (lineStarts.length === 0) { - return { lines: [], lineMap: lineStarts }; - } - var lines = new Array(lineStarts.length); - var lc = lineStarts.length - 1; - for (var lmi = 0; lmi < lc; lmi++) { - lines[lmi] = text.substring(lineStarts[lmi], lineStarts[lmi + 1]); - } - var endText = text.substring(lineStarts[lc]); - if (endText.length > 0) { - lines[lc] = endText; - } - else { - lines.length--; + return results; + } + }; + CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { + return this.shimHost.fileExists(fileName); + }; + CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { + return this.shimHost.readFile(fileName); + }; + CoreServicesShimHostAdapter.prototype.readDirectoryFallback = function (rootDir, extension, exclude) { + return JSON.parse(this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude))); + }; + CoreServicesShimHostAdapter.prototype.getDirectories = function (path) { + return JSON.parse(this.shimHost.getDirectories(path)); + }; + return CoreServicesShimHostAdapter; + }()); + ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; + function simpleForwardCall(logger, actionDescription, action, logPerformance) { + var start; + if (logPerformance) { + logger.log(actionDescription); + start = ts.timestamp(); + } + var result = action(); + if (logPerformance) { + var end = ts.timestamp(); + logger.log(actionDescription + " completed in " + (end - start) + " msec"); + if (typeof result === "string") { + var str = result; + if (str.length > 128) { + str = str.substring(0, 128) + "..."; } - return { lines: lines, lineMap: lineStarts }; - }; - return LineIndex; - }()); - server.LineIndex = LineIndex; - var LineNode = (function () { - function LineNode() { - this.totalChars = 0; - this.totalLines = 0; - this.children = []; + logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); + } + } + return result; + } + function forwardJSONCall(logger, actionDescription, action, logPerformance) { + return forwardCall(logger, actionDescription, true, action, logPerformance); + } + function forwardCall(logger, actionDescription, returnJson, action, logPerformance) { + try { + var result = simpleForwardCall(logger, actionDescription, action, logPerformance); + return returnJson ? JSON.stringify({ result: result }) : result; + } + catch (err) { + if (err instanceof ts.OperationCanceledException) { + return JSON.stringify({ canceled: true }); + } + logInternalError(logger, err); + err.description = actionDescription; + return JSON.stringify({ error: err }); + } + } + var ShimBase = (function () { + function ShimBase(factory) { + this.factory = factory; + factory.registerShim(this); + } + ShimBase.prototype.dispose = function (_dummy) { + this.factory.unregisterShim(this); + }; + return ShimBase; + }()); + function realizeDiagnostics(diagnostics, newLine) { + return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + } + ts.realizeDiagnostics = realizeDiagnostics; + function realizeDiagnostic(diagnostic, newLine) { + return { + message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), + start: diagnostic.start, + length: diagnostic.length, + category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), + code: diagnostic.code + }; + } + var LanguageServiceShimObject = (function (_super) { + __extends(LanguageServiceShimObject, _super); + function LanguageServiceShimObject(factory, host, languageService) { + var _this = _super.call(this, factory) || this; + _this.host = host; + _this.languageService = languageService; + _this.logPerformance = false; + _this.logger = _this.host; + return _this; + } + LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + LanguageServiceShimObject.prototype.dispose = function (dummy) { + this.logger.log("dispose()"); + this.languageService.dispose(); + this.languageService = null; + if (debugObjectHost && debugObjectHost.CollectGarbage) { + debugObjectHost.CollectGarbage(); + this.logger.log("CollectGarbage()"); + } + this.logger = null; + _super.prototype.dispose.call(this, dummy); + }; + LanguageServiceShimObject.prototype.refresh = function (throwOnError) { + this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); + }; + LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { + var _this = this; + this.forwardJSONCall("cleanupSemanticCache()", function () { + _this.languageService.cleanupSemanticCache(); + return null; + }); + }; + LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { + var newLine = ts.getNewLineOrDefaultFromHost(this.host); + return ts.realizeDiagnostics(diagnostics, newLine); + }; + LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { + var _this = this; + return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { + var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { + var _this = this; + return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); + }; + LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getImplementationAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getImplementationAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getImplementationAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { + var _this = this; + return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); + }; + LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.isValidBraceCompletionAtPosition = function (fileName, position, openingBrace) { + var _this = this; + return this.forwardJSONCall("isValidBraceCompletionAtPosition('" + fileName + "', " + position + ", " + openingBrace + ")", function () { return _this.languageService.isValidBraceCompletionAtPosition(fileName, position, openingBrace); }); + }; + LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options) { + var _this = this; + return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { + var _this = this; + return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { + var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); + var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); + return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); + }); + }; + LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { + var _this = this; + return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount, fileName) { + var _this = this; + return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ", " + fileName + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount, fileName); }); + }; + LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); + }; + LanguageServiceShimObject.prototype.getNavigationTree = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationTree('" + fileName + "')", function () { return _this.languageService.getNavigationTree(fileName); }); + }; + LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { + var _this = this; + return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); + }; + LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { + var _this = this; + return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + }; + LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { + var _this = this; + return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); + }; + LanguageServiceShimObject.prototype.getEmitOutputObject = function (fileName) { + var _this = this; + return forwardCall(this.logger, "getEmitOutput('" + fileName + "')", false, function () { return _this.languageService.getEmitOutput(fileName); }, this.logPerformance); + }; + return LanguageServiceShimObject; + }(ShimBase)); + function convertClassifications(classifications) { + return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; + } + var ClassifierShimObject = (function (_super) { + __extends(ClassifierShimObject, _super); + function ClassifierShimObject(factory, logger) { + var _this = _super.call(this, factory) || this; + _this.logger = logger; + _this.logPerformance = false; + _this.classifier = ts.createClassifier(); + return _this; + } + ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { + var _this = this; + return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); + }; + ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { + var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); + var result = ""; + for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { + var item = _a[_i]; + result += item.length + "\n"; + result += item.classification + "\n"; } - LineNode.prototype.isLeaf = function () { - return false; - }; - LineNode.prototype.updateCounts = function () { - this.totalChars = 0; - this.totalLines = 0; - for (var i = 0, len = this.children.length; i < len; i++) { - var child = this.children[i]; - this.totalChars += child.charCount(); - this.totalLines += child.lineCount(); - } - }; - LineNode.prototype.execWalk = function (rangeStart, rangeLength, walkFns, childIndex, nodeType) { - if (walkFns.pre) { - walkFns.pre(rangeStart, rangeLength, this.children[childIndex], this, nodeType); - } - if (walkFns.goSubtree) { - this.children[childIndex].walk(rangeStart, rangeLength, walkFns); - if (walkFns.post) { - walkFns.post(rangeStart, rangeLength, this.children[childIndex], this, nodeType); - } - } - else { - walkFns.goSubtree = true; - } - return walkFns.done; - }; - LineNode.prototype.skipChild = function (relativeStart, relativeLength, childIndex, walkFns, nodeType) { - if (walkFns.pre && (!walkFns.done)) { - walkFns.pre(relativeStart, relativeLength, this.children[childIndex], this, nodeType); - walkFns.goSubtree = true; - } - }; - LineNode.prototype.walk = function (rangeStart, rangeLength, walkFns) { - var childIndex = 0; - var child = this.children[0]; - var childCharCount = child.charCount(); - var adjustedStart = rangeStart; - while (adjustedStart >= childCharCount) { - this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, CharRangeSection.PreStart); - adjustedStart -= childCharCount; - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - } - if ((adjustedStart + rangeLength) <= childCharCount) { - if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, CharRangeSection.Entire)) { - return; - } - } - else { - if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, CharRangeSection.Start)) { - return; - } - var adjustedLength = rangeLength - (childCharCount - adjustedStart); - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - while (adjustedLength > childCharCount) { - if (this.execWalk(0, childCharCount, walkFns, childIndex, CharRangeSection.Mid)) { - return; - } - adjustedLength -= childCharCount; - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - } - if (adjustedLength > 0) { - if (this.execWalk(0, adjustedLength, walkFns, childIndex, CharRangeSection.End)) { - return; - } - } - } - if (walkFns.pre) { - var clen = this.children.length; - if (childIndex < (clen - 1)) { - for (var ej = childIndex + 1; ej < clen; ej++) { - this.skipChild(0, 0, ej, walkFns, CharRangeSection.PostEnd); - } - } - } - }; - LineNode.prototype.charOffsetToLineNumberAndPos = function (lineNumber, charOffset) { - var childInfo = this.childFromCharOffset(lineNumber, charOffset); - if (!childInfo.child) { - return { - line: lineNumber, - offset: charOffset, - }; - } - else if (childInfo.childIndex < this.children.length) { - if (childInfo.child.isLeaf()) { - return { - line: childInfo.lineNumber, - offset: childInfo.charOffset, - text: (childInfo.child).text, - leaf: (childInfo.child) - }; - } - else { - var lineNode = (childInfo.child); - return lineNode.charOffsetToLineNumberAndPos(childInfo.lineNumber, childInfo.charOffset); - } - } - else { - var lineInfo = this.lineNumberToInfo(this.lineCount(), 0); - return { line: this.lineCount(), offset: lineInfo.leaf.charCount() }; - } - }; - LineNode.prototype.lineNumberToInfo = function (lineNumber, charOffset) { - var childInfo = this.childFromLineNumber(lineNumber, charOffset); - if (!childInfo.child) { - return { - line: lineNumber, - offset: charOffset - }; - } - else if (childInfo.child.isLeaf()) { - return { - line: lineNumber, - offset: childInfo.charOffset, - text: (childInfo.child).text, - leaf: (childInfo.child) - }; - } - else { - var lineNode = (childInfo.child); - return lineNode.lineNumberToInfo(childInfo.relativeLineNumber, childInfo.charOffset); - } - }; - LineNode.prototype.childFromLineNumber = function (lineNumber, charOffset) { - var child; - var relativeLineNumber = lineNumber; - var i; - var len; - for (i = 0, len = this.children.length; i < len; i++) { - child = this.children[i]; - var childLineCount = child.lineCount(); - if (childLineCount >= relativeLineNumber) { - break; - } - else { - relativeLineNumber -= childLineCount; - charOffset += child.charCount(); - } - } + result += classification.finalLexState; + return result; + }; + return ClassifierShimObject; + }(ShimBase)); + var CoreServicesShimObject = (function (_super) { + __extends(CoreServicesShimObject, _super); + function CoreServicesShimObject(factory, logger, host) { + var _this = _super.call(this, factory) || this; + _this.logger = logger; + _this.host = host; + _this.logPerformance = false; + return _this; + } + CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); return { - child: child, - childIndex: i, - relativeLineNumber: relativeLineNumber, - charOffset: charOffset + resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, + failedLookupLocations: result.failedLookupLocations }; - }; - LineNode.prototype.childFromCharOffset = function (lineNumber, charOffset) { - var child; - var i; - var len; - for (i = 0, len = this.children.length; i < len; i++) { - child = this.children[i]; - if (child.charCount() > charOffset) { - break; - } - else { - charOffset -= child.charCount(); - lineNumber += child.lineCount(); - } - } + }); + }; + CoreServicesShimObject.prototype.resolveTypeReferenceDirective = function (fileName, typeReferenceDirective, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveTypeReferenceDirective(" + fileName + ")", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveTypeReferenceDirective(typeReferenceDirective, ts.normalizeSlashes(fileName), compilerOptions, _this.host); return { - child: child, - childIndex: i, - charOffset: charOffset, - lineNumber: lineNumber + resolvedFileName: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.resolvedFileName : undefined, + primary: result.resolvedTypeReferenceDirective ? result.resolvedTypeReferenceDirective.primary : true, + failedLookupLocations: result.failedLookupLocations }; - }; - LineNode.prototype.splitAfter = function (childIndex) { - var splitNode; - var clen = this.children.length; - childIndex++; - var endLength = childIndex; - if (childIndex < clen) { - splitNode = new LineNode(); - while (childIndex < clen) { - splitNode.add(this.children[childIndex]); - childIndex++; - } - splitNode.updateCounts(); - } - this.children.length = endLength; - return splitNode; - }; - LineNode.prototype.remove = function (child) { - var childIndex = this.findChildIndex(child); - var clen = this.children.length; - if (childIndex < (clen - 1)) { - for (var i = childIndex; i < (clen - 1); i++) { - this.children[i] = this.children[i + 1]; - } + }); + }; + CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { + var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), true, true); + return { + referencedFiles: _this.convertFileReferences(result.referencedFiles), + importedFiles: _this.convertFileReferences(result.importedFiles), + ambientExternalModules: result.ambientExternalModules, + isLibFile: result.isLibFile, + typeReferenceDirectives: _this.convertFileReferences(result.typeReferenceDirectives) + }; + }); + }; + CoreServicesShimObject.prototype.getAutomaticTypeDirectiveNames = function (compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("getAutomaticTypeDirectiveNames('" + compilerOptionsJson + "')", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + return ts.getAutomaticTypeDirectiveNames(compilerOptions, _this.host); + }); + }; + CoreServicesShimObject.prototype.convertFileReferences = function (refs) { + if (!refs) { + return undefined; + } + var result = []; + for (var _i = 0, refs_2 = refs; _i < refs_2.length; _i++) { + var ref = refs_2[_i]; + result.push({ + path: ts.normalizeSlashes(ref.fileName), + position: ref.pos, + length: ref.end - ref.pos + }); + } + return result; + }; + CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { + var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); + var result = ts.parseConfigFileTextToJson(fileName, text); + if (result.error) { + return { + options: {}, + typingOptions: {}, + files: [], + raw: {}, + errors: [realizeDiagnostic(result.error, "\r\n")] + }; } - this.children.length--; - }; - LineNode.prototype.findChildIndex = function (child) { - var childIndex = 0; - var clen = this.children.length; - while ((this.children[childIndex] !== child) && (childIndex < clen)) - childIndex++; - return childIndex; - }; - LineNode.prototype.insertAt = function (child, nodes) { - var childIndex = this.findChildIndex(child); - var clen = this.children.length; - var nodeCount = nodes.length; - if ((clen < lineCollectionCapacity) && (childIndex === (clen - 1)) && (nodeCount === 1)) { - this.add(nodes[0]); - this.updateCounts(); - return []; + var normalizedFileName = ts.normalizeSlashes(fileName); + var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName); + return { + options: configFile.options, + typingOptions: configFile.typingOptions, + files: configFile.fileNames, + raw: configFile.raw, + errors: realizeDiagnostics(configFile.errors, "\r\n") + }; + }); + }; + CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { + return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); + }; + CoreServicesShimObject.prototype.discoverTypings = function (discoverTypingsJson) { + var _this = this; + var getCanonicalFileName = ts.createGetCanonicalFileName(false); + return this.forwardJSONCall("discoverTypings()", function () { + var info = JSON.parse(discoverTypingsJson); + return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions, info.unresolvedImports); + }); + }; + return CoreServicesShimObject; + }(ShimBase)); + var TypeScriptServicesFactory = (function () { + function TypeScriptServicesFactory() { + this._shims = []; + } + TypeScriptServicesFactory.prototype.getServicesVersion = function () { + return ts.servicesVersion; + }; + TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { + try { + if (this.documentRegistry === undefined) { + this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } - else { - var shiftNode = this.splitAfter(childIndex); - var nodeIndex = 0; - childIndex++; - while ((childIndex < lineCollectionCapacity) && (nodeIndex < nodeCount)) { - this.children[childIndex] = nodes[nodeIndex]; - childIndex++; - nodeIndex++; - } - var splitNodes = []; - var splitNodeCount = 0; - if (nodeIndex < nodeCount) { - splitNodeCount = Math.ceil((nodeCount - nodeIndex) / lineCollectionCapacity); - splitNodes = new Array(splitNodeCount); - var splitNodeIndex = 0; - for (var i = 0; i < splitNodeCount; i++) { - splitNodes[i] = new LineNode(); - } - var splitNode = splitNodes[0]; - while (nodeIndex < nodeCount) { - splitNode.add(nodes[nodeIndex]); - nodeIndex++; - if (splitNode.children.length === lineCollectionCapacity) { - splitNodeIndex++; - splitNode = splitNodes[splitNodeIndex]; - } - } - for (var i = splitNodes.length - 1; i >= 0; i--) { - if (splitNodes[i].children.length === 0) { - splitNodes.length--; - } - } - } - if (shiftNode) { - splitNodes[splitNodes.length] = shiftNode; - } - this.updateCounts(); - for (var i = 0; i < splitNodeCount; i++) { - splitNodes[i].updateCounts(); - } - return splitNodes; + var hostAdapter = new LanguageServiceShimHostAdapter(host); + var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); + return new LanguageServiceShimObject(this, host, languageService); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { + try { + return new ClassifierShimObject(this, logger); + } + catch (err) { + logInternalError(logger, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { + try { + var adapter = new CoreServicesShimHostAdapter(host); + return new CoreServicesShimObject(this, host, adapter); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.close = function () { + this._shims = []; + this.documentRegistry = undefined; + }; + TypeScriptServicesFactory.prototype.registerShim = function (shim) { + this._shims.push(shim); + }; + TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { + for (var i = 0, n = this._shims.length; i < n; i++) { + if (this._shims[i] === shim) { + delete this._shims[i]; + return; } - }; - LineNode.prototype.add = function (collection) { - this.children[this.children.length] = collection; - return (this.children.length < lineCollectionCapacity); - }; - LineNode.prototype.charCount = function () { - return this.totalChars; - }; - LineNode.prototype.lineCount = function () { - return this.totalLines; - }; - return LineNode; - }()); - server.LineNode = LineNode; - var LineLeaf = (function () { - function LineLeaf(text) { - this.text = text; } - LineLeaf.prototype.isLeaf = function () { - return true; - }; - LineLeaf.prototype.walk = function (rangeStart, rangeLength, walkFns) { - walkFns.leaf(rangeStart, rangeLength, this); - }; - LineLeaf.prototype.charCount = function () { - return this.text.length; - }; - LineLeaf.prototype.lineCount = function () { - return 1; - }; - return LineLeaf; - }()); - server.LineLeaf = LineLeaf; - })(server = ts.server || (ts.server = {})); + throw new Error("Invalid operation"); + }; + return TypeScriptServicesFactory; + }()); + ts.TypeScriptServicesFactory = TypeScriptServicesFactory; + if (typeof module !== "undefined" && module.exports) { + module.exports = ts; + } })(ts || (ts = {})); - -//# sourceMappingURL=tsserverlibrary.js.map +var TypeScript; +(function (TypeScript) { + var Services; + (function (Services) { + Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; + })(Services = TypeScript.Services || (TypeScript.Services = {})); +})(TypeScript || (TypeScript = {})); +var toolsVersion = "2.1"; diff --git a/lib/typescript.d.ts b/lib/typescript.d.ts index ba46bcf1540d5..13ec671d21051 100644 --- a/lib/typescript.d.ts +++ b/lib/typescript.d.ts @@ -443,6 +443,7 @@ declare namespace ts { kind: SyntaxKind.Identifier; text: string; originalKeywordKind?: SyntaxKind; + isInJSDocNamespace?: boolean; } interface TransientIdentifier extends Identifier { resolvedSymbol: Symbol; @@ -1141,12 +1142,16 @@ declare namespace ts { interface ModuleDeclaration extends DeclarationStatement { kind: SyntaxKind.ModuleDeclaration; name: Identifier | LiteralExpression; - body?: ModuleBlock | NamespaceDeclaration; + body?: ModuleBlock | NamespaceDeclaration | JSDocNamespaceDeclaration | Identifier; } interface NamespaceDeclaration extends ModuleDeclaration { name: Identifier; body: ModuleBlock | NamespaceDeclaration; } + interface JSDocNamespaceDeclaration extends ModuleDeclaration { + name: Identifier; + body: JSDocNamespaceDeclaration | Identifier; + } interface ModuleBlock extends Node, Statement { kind: SyntaxKind.ModuleBlock; statements: NodeArray; @@ -1318,6 +1323,7 @@ declare namespace ts { } interface JSDocTypedefTag extends JSDocTag, Declaration { kind: SyntaxKind.JSDocTypedefTag; + fullName?: JSDocNamespaceDeclaration | Identifier; name?: Identifier; typeExpression?: JSDocTypeExpression; jsDocTypeLiteral?: JSDocTypeLiteral; @@ -1708,14 +1714,9 @@ declare namespace ts { Null = 4096, Never = 8192, TypeParameter = 16384, - Class = 32768, - Interface = 65536, - Reference = 131072, - Tuple = 262144, - Union = 524288, - Intersection = 1048576, - Anonymous = 2097152, - Instantiated = 4194304, + Object = 32768, + Union = 65536, + Intersection = 131072, Literal = 480, StringOrNumberLiteral = 96, PossiblyFalsy = 7406, @@ -1723,12 +1724,11 @@ declare namespace ts { NumberLike = 340, BooleanLike = 136, EnumLike = 272, - ObjectType = 2588672, - UnionOrIntersection = 1572864, - StructuredType = 4161536, - StructuredOrTypeParameter = 4177920, - Narrowable = 4178943, - NotUnionOrUnit = 2589185, + UnionOrIntersection = 196608, + StructuredType = 229376, + StructuredOrTypeParameter = 245760, + Narrowable = 246783, + NotUnionOrUnit = 33281, } type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; interface Type { @@ -1749,8 +1749,20 @@ declare namespace ts { interface EnumLiteralType extends LiteralType { baseType: EnumType & UnionType; } + enum ObjectFlags { + Class = 1, + Interface = 2, + Reference = 4, + Tuple = 8, + Anonymous = 16, + Instantiated = 32, + ObjectLiteral = 64, + EvolvingArray = 128, + ObjectLiteralPatternWithComputedProperties = 256, + ClassOrInterface = 3, + } interface ObjectType extends Type { - isObjectLiteralPatternWithComputedProperties?: boolean; + objectFlags: ObjectFlags; } interface InterfaceType extends ObjectType { typeParameters: TypeParameter[]; @@ -1778,6 +1790,11 @@ declare namespace ts { } interface IntersectionType extends UnionOrIntersectionType { } + type StructuredType = ObjectType | UnionType | IntersectionType; + interface EvolvingArrayType extends ObjectType { + elementType: Type; + finalArrayType?: Type; + } interface TypeParameter extends Type { constraint: Type; } @@ -1912,6 +1929,7 @@ declare namespace ts { packageNameToTypingLocation: Map; typingOptions: TypingOptions; compilerOptions: CompilerOptions; + unresolvedImports: ReadonlyArray; } enum ModuleKind { None = 0, @@ -2057,6 +2075,8 @@ declare namespace ts { getMemoryUsage?(): number; exit(exitCode?: number): void; realpath?(path: string): string; + setTimeout?(callback: (...args: any[]) => void, ms: number, ...args: any[]): any; + clearTimeout?(timeoutId: any): void; } interface FileWatcher { close(): void; diff --git a/lib/typescript.js b/lib/typescript.js index dad603b624aa2..bf324bf210821 100644 --- a/lib/typescript.js +++ b/lib/typescript.js @@ -670,24 +670,17 @@ var ts; TypeFlags[TypeFlags["Null"] = 4096] = "Null"; TypeFlags[TypeFlags["Never"] = 8192] = "Never"; TypeFlags[TypeFlags["TypeParameter"] = 16384] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 32768] = "Class"; - TypeFlags[TypeFlags["Interface"] = 65536] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 131072] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 262144] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 524288] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 1048576] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 2097152] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 4194304] = "Instantiated"; + TypeFlags[TypeFlags["Object"] = 32768] = "Object"; + TypeFlags[TypeFlags["Union"] = 65536] = "Union"; + TypeFlags[TypeFlags["Intersection"] = 131072] = "Intersection"; /* @internal */ - TypeFlags[TypeFlags["ObjectLiteral"] = 8388608] = "ObjectLiteral"; + TypeFlags[TypeFlags["FreshLiteral"] = 262144] = "FreshLiteral"; /* @internal */ - TypeFlags[TypeFlags["FreshLiteral"] = 16777216] = "FreshLiteral"; + TypeFlags[TypeFlags["ContainsWideningType"] = 524288] = "ContainsWideningType"; /* @internal */ - TypeFlags[TypeFlags["ContainsWideningType"] = 33554432] = "ContainsWideningType"; + TypeFlags[TypeFlags["ContainsObjectLiteral"] = 1048576] = "ContainsObjectLiteral"; /* @internal */ - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 67108864] = "ContainsObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 134217728] = "ContainsAnyFunctionType"; + TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 2097152] = "ContainsAnyFunctionType"; /* @internal */ TypeFlags[TypeFlags["Nullable"] = 6144] = "Nullable"; TypeFlags[TypeFlags["Literal"] = 480] = "Literal"; @@ -703,20 +696,32 @@ var ts; TypeFlags[TypeFlags["NumberLike"] = 340] = "NumberLike"; TypeFlags[TypeFlags["BooleanLike"] = 136] = "BooleanLike"; TypeFlags[TypeFlags["EnumLike"] = 272] = "EnumLike"; - TypeFlags[TypeFlags["ObjectType"] = 2588672] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 1572864] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 4161536] = "StructuredType"; - TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 4177920] = "StructuredOrTypeParameter"; + TypeFlags[TypeFlags["UnionOrIntersection"] = 196608] = "UnionOrIntersection"; + TypeFlags[TypeFlags["StructuredType"] = 229376] = "StructuredType"; + TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 245760] = "StructuredOrTypeParameter"; // 'Narrowable' types are types where narrowing actually narrows. // This *should* be every type other than null, undefined, void, and never - TypeFlags[TypeFlags["Narrowable"] = 4178943] = "Narrowable"; - TypeFlags[TypeFlags["NotUnionOrUnit"] = 2589185] = "NotUnionOrUnit"; + TypeFlags[TypeFlags["Narrowable"] = 246783] = "Narrowable"; + TypeFlags[TypeFlags["NotUnionOrUnit"] = 33281] = "NotUnionOrUnit"; /* @internal */ - TypeFlags[TypeFlags["RequiresWidening"] = 100663296] = "RequiresWidening"; + TypeFlags[TypeFlags["RequiresWidening"] = 1572864] = "RequiresWidening"; /* @internal */ - TypeFlags[TypeFlags["PropagatingFlags"] = 234881024] = "PropagatingFlags"; + TypeFlags[TypeFlags["PropagatingFlags"] = 3670016] = "PropagatingFlags"; })(ts.TypeFlags || (ts.TypeFlags = {})); var TypeFlags = ts.TypeFlags; + (function (ObjectFlags) { + ObjectFlags[ObjectFlags["Class"] = 1] = "Class"; + ObjectFlags[ObjectFlags["Interface"] = 2] = "Interface"; + ObjectFlags[ObjectFlags["Reference"] = 4] = "Reference"; + ObjectFlags[ObjectFlags["Tuple"] = 8] = "Tuple"; + ObjectFlags[ObjectFlags["Anonymous"] = 16] = "Anonymous"; + ObjectFlags[ObjectFlags["Instantiated"] = 32] = "Instantiated"; + ObjectFlags[ObjectFlags["ObjectLiteral"] = 64] = "ObjectLiteral"; + ObjectFlags[ObjectFlags["EvolvingArray"] = 128] = "EvolvingArray"; + ObjectFlags[ObjectFlags["ObjectLiteralPatternWithComputedProperties"] = 256] = "ObjectLiteralPatternWithComputedProperties"; + ObjectFlags[ObjectFlags["ClassOrInterface"] = 3] = "ClassOrInterface"; + })(ts.ObjectFlags || (ts.ObjectFlags = {})); + var ObjectFlags = ts.ObjectFlags; (function (SignatureKind) { SignatureKind[SignatureKind["Call"] = 0] = "Call"; SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; @@ -1573,6 +1578,41 @@ var ts; return result; } ts.deduplicate = deduplicate; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function changesAffectModuleResolution(oldOptions, newOptions) { + return !oldOptions || + (oldOptions.module !== newOptions.module) || + (oldOptions.moduleResolution !== newOptions.moduleResolution) || + (oldOptions.noResolve !== newOptions.noResolve) || + (oldOptions.target !== newOptions.target) || + (oldOptions.noLib !== newOptions.noLib) || + (oldOptions.jsx !== newOptions.jsx) || + (oldOptions.allowJs !== newOptions.allowJs) || + (oldOptions.rootDir !== newOptions.rootDir) || + (oldOptions.configFilePath !== newOptions.configFilePath) || + (oldOptions.baseUrl !== newOptions.baseUrl) || + (oldOptions.maxNodeModuleJsDepth !== newOptions.maxNodeModuleJsDepth) || + !arrayIsEqualTo(oldOptions.lib, newOptions.lib) || + !arrayIsEqualTo(oldOptions.typeRoots, newOptions.typeRoots) || + !arrayIsEqualTo(oldOptions.rootDirs, newOptions.rootDirs) || + !equalOwnProperties(oldOptions.paths, newOptions.paths); + } + ts.changesAffectModuleResolution = changesAffectModuleResolution; /** * Compacts an array, removing any falsey elements. */ @@ -1651,6 +1691,12 @@ var ts; : undefined; } ts.lastOrUndefined = lastOrUndefined; + function replaceElement(array, index, value) { + var result = array.slice(0); + result[index] = value; + return result; + } + ts.replaceElement = replaceElement; /** * Performs a binary search, finding the index at which 'value' occurs in 'array'. * If no such index is found, returns the 2's-complement of first index at which @@ -1978,6 +2024,14 @@ var ts; return Array.isArray ? Array.isArray(value) : value instanceof Array; } ts.isArray = isArray; + /** Does nothing. */ + function noop() { } + ts.noop = noop; + /** Throws an error because a function is not implemented. */ + function notImplemented() { + throw new Error("Not implemented"); + } + ts.notImplemented = notImplemented; function memoize(callback) { var value; return function () { @@ -3491,7 +3545,9 @@ var ts; } catch (e) { } - } + }, + setTimeout: setTimeout, + clearTimeout: clearTimeout }; return nodeSystem; } @@ -3727,7 +3783,6 @@ var ts; Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, @@ -4347,6 +4402,8 @@ var ts; Unknown_typing_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_typing_option_0_17010", message: "Unknown typing option '{0}'." }, Circularity_detected_while_resolving_configuration_Colon_0: { code: 18000, category: ts.DiagnosticCategory.Error, key: "Circularity_detected_while_resolving_configuration_Colon_0_18000", message: "Circularity detected while resolving configuration: {0}" }, The_path_in_an_extends_options_must_be_relative_or_rooted: { code: 18001, category: ts.DiagnosticCategory.Error, key: "The_path_in_an_extends_options_must_be_relative_or_rooted_18001", message: "The path in an 'extends' options must be relative or rooted." }, + The_files_list_in_config_file_0_is_empty: { code: 18002, category: ts.DiagnosticCategory.Error, key: "The_files_list_in_config_file_0_is_empty_18002", message: "The 'files' list in config file '{0}' is empty." }, + No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { code: 18003, category: ts.DiagnosticCategory.Error, key: "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", message: "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'." }, Add_missing_super_call: { code: 90001, category: ts.DiagnosticCategory.Message, key: "Add_missing_super_call_90001", message: "Add missing 'super()' call." }, Make_super_call_the_first_statement_in_the_constructor: { code: 90002, category: ts.DiagnosticCategory.Message, key: "Make_super_call_the_first_statement_in_the_constructor_90002", message: "Make 'super()' call the first statement in the constructor." }, Change_extends_to_implements: { code: 90003, category: ts.DiagnosticCategory.Message, key: "Change_extends_to_implements_90003", message: "Change 'extends' to 'implements'" }, @@ -5984,6 +6041,9 @@ var ts; case 44 /* comma */: pos++; return token = 25 /* CommaToken */; + case 46 /* dot */: + pos++; + return token = 22 /* DotToken */; } if (isIdentifierStart(ch, 4 /* Latest */)) { pos++; @@ -6112,11 +6172,11 @@ var ts; // Completely ignore indentation for string writers. And map newlines to // a single space. writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, + increaseIndent: ts.noop, + decreaseIndent: ts.noop, clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop }; } return stringWriters.pop(); @@ -6131,22 +6191,6 @@ var ts; return node.end - node.pos; } ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; function hasResolvedModule(sourceFile, moduleNameText) { return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]); } @@ -6434,9 +6478,14 @@ var ts; ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; function isBlockOrCatchScoped(declaration) { return (ts.getCombinedNodeFlags(declaration) & 3 /* BlockScoped */) !== 0 || - isCatchClauseVariableDeclaration(declaration); + isCatchClauseVariableDeclarationOrBindingElement(declaration); } ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isCatchClauseVariableDeclarationOrBindingElement(declaration) { + var node = getRootDeclaration(declaration); + return node.kind === 219 /* VariableDeclaration */ && node.parent.kind === 252 /* CatchClause */; + } + ts.isCatchClauseVariableDeclarationOrBindingElement = isCatchClauseVariableDeclarationOrBindingElement; function isAmbientModule(node) { return node && node.kind === 226 /* ModuleDeclaration */ && (node.name.kind === 9 /* StringLiteral */ || isGlobalScopeAugmentation(node)); @@ -6513,13 +6562,6 @@ var ts; } } ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 219 /* VariableDeclaration */ && - declaration.parent && - declaration.parent.kind === 252 /* CatchClause */; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; // Return display name of an identifier // Computed property names will just be emitted as "[]", where is the source // text of the expression in the computed property. @@ -8872,7 +8914,7 @@ var ts; flags |= modifierToFlag(modifier.kind); } } - if (node.flags & 4 /* NestedNamespace */) { + if (node.flags & 4 /* NestedNamespace */ || (node.kind === 70 /* Identifier */ && node.isInJSDocNamespace)) { flags |= 1 /* Export */; } node.modifierFlagsCache = flags | 536870912 /* HasComputedFlags */; @@ -11807,7 +11849,9 @@ var ts; // flag and setting a parent node. var react = createIdentifier(reactNamespace || "React"); react.flags &= ~8 /* Synthesized */; - react.parent = parent; + // Set the parent that is in parse tree + // this makes sure that parent chain is intact for checker to traverse complete scope tree + react.parent = ts.getParseTreeNode(parent); return react; } function createReactCreateElement(reactNamespace, tagName, props, children, parentElement, location) { @@ -13293,6 +13337,7 @@ var ts; return visitNodes(cbNodes, node.typeParameters); case 279 /* JSDocTypedefTag */: return visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.fullName) || visitNode(cbNode, node.name) || visitNode(cbNode, node.jsDocTypeLiteral); case 281 /* JSDocTypeLiteral */: @@ -17716,7 +17761,7 @@ var ts; parseExpected(117 /* AsKeyword */); parseExpected(127 /* NamespaceKeyword */); exportDeclaration.name = parseIdentifier(); - parseExpected(24 /* SemicolonToken */); + parseSemicolon(); return finishNode(exportDeclaration); } function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { @@ -18669,7 +18714,14 @@ var ts; var typedefTag = createNode(279 /* JSDocTypedefTag */, atToken.pos); typedefTag.atToken = atToken; typedefTag.tagName = tagName; - typedefTag.name = parseJSDocIdentifierName(); + typedefTag.fullName = parseJSDocTypeNameWithNamespace(/*flags*/ 0); + if (typedefTag.fullName) { + var rightNode = typedefTag.fullName; + while (rightNode.kind !== 70 /* Identifier */) { + rightNode = rightNode.body; + } + typedefTag.name = rightNode; + } typedefTag.typeExpression = typeExpression; skipWhitespace(); if (typeExpression) { @@ -18728,6 +18780,21 @@ var ts; scanner.setTextPos(resumePos); return finishNode(jsDocTypeLiteral); } + function parseJSDocTypeNameWithNamespace(flags) { + var pos = scanner.getTokenPos(); + var typeNameOrNamespaceName = parseJSDocIdentifierName(); + if (typeNameOrNamespaceName && parseOptional(22 /* DotToken */)) { + var jsDocNamespaceNode = createNode(226 /* ModuleDeclaration */, pos); + jsDocNamespaceNode.flags |= flags; + jsDocNamespaceNode.name = typeNameOrNamespaceName; + jsDocNamespaceNode.body = parseJSDocTypeNameWithNamespace(4 /* NestedNamespace */); + return jsDocNamespaceNode; + } + if (typeNameOrNamespaceName && flags & 4 /* NestedNamespace */) { + typeNameOrNamespaceName.isInJSDocNamespace = true; + } + return typeNameOrNamespaceName; + } } function tryParseChildTag(parentTag) { ts.Debug.assert(token() === 56 /* AtToken */); @@ -18749,12 +18816,16 @@ var ts; return true; case "prop": case "property": - if (!parentTag.jsDocPropertyTags) { - parentTag.jsDocPropertyTags = []; - } var propertyTag = parsePropertyTag(atToken, tagName); - parentTag.jsDocPropertyTags.push(propertyTag); - return true; + if (propertyTag) { + if (!parentTag.jsDocPropertyTags) { + parentTag.jsDocPropertyTags = []; + } + parentTag.jsDocPropertyTags.push(propertyTag); + return true; + } + // Error parsing property tag + return false; } return false; } @@ -19335,6 +19406,9 @@ var ts; var body = node.body; return body ? getModuleInstanceState(body) : 1 /* Instantiated */; } + else if (node.kind === 70 /* Identifier */ && node.isInJSDocNamespace) { + return 0 /* NonInstantiated */; + } else { return 1 /* Instantiated */; } @@ -19668,7 +19742,11 @@ var ts; // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation // and this case is specially handled. Module augmentations should only be merged with original module definition // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed. - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32 /* ExportContext */)) { + var isJSDocTypedefInJSDocNamespace = node.kind === 279 /* JSDocTypedefTag */ && + node.name && + node.name.kind === 70 /* Identifier */ && + node.name.isInJSDocNamespace; + if ((!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32 /* ExportContext */)) || isJSDocTypedefInJSDocNamespace) { var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | (symbolFlags & 793064 /* Type */ ? 2097152 /* ExportType */ : 0) | (symbolFlags & 1920 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); @@ -20210,7 +20288,7 @@ var ts; currentFlow = finishFlowLabel(preFinallyLabel); bind(node.finallyBlock); // if flow after finally is unreachable - keep it - // otherwise check if flows after try and after catch are unreachable + // otherwise check if flows after try and after catch are unreachable // if yes - convert current flow to unreachable // i.e. // try { return "1" } finally { console.log(1); } @@ -20948,6 +21026,17 @@ var ts; switch (node.kind) { /* Strict mode checks */ case 70 /* Identifier */: + // for typedef type names with namespaces, bind the new jsdoc type symbol here + // because it requires all containing namespaces to be in effect, namely the + // current "blockScopeContainer" needs to be set to its immediate namespace parent. + if (node.isInJSDocNamespace) { + var parentNode = node.parent; + while (parentNode && parentNode.kind !== 279 /* JSDocTypedefTag */) { + parentNode = parentNode.parent; + } + bindBlockScopedDeclaration(parentNode, 524288 /* TypeAlias */, 793064 /* TypeAliasExcludes */); + break; + } case 98 /* ThisKeyword */: if (currentFlow && (ts.isExpression(node) || parent.kind === 254 /* ShorthandPropertyAssignment */)) { node.flowNode = currentFlow; @@ -21066,6 +21155,10 @@ var ts; case 223 /* InterfaceDeclaration */: return bindBlockScopedDeclaration(node, 64 /* Interface */, 792968 /* InterfaceExcludes */); case 279 /* JSDocTypedefTag */: + if (!node.fullName || node.fullName.kind === 70 /* Identifier */) { + return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793064 /* TypeAliasExcludes */); + } + break; case 224 /* TypeAliasDeclaration */: return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793064 /* TypeAliasExcludes */); case 225 /* EnumDeclaration */: @@ -21465,6 +21558,8 @@ var ts; return computeClassExpression(node, subtreeFlags); case 251 /* HeritageClause */: return computeHeritageClause(node, subtreeFlags); + case 252 /* CatchClause */: + return computeCatchClause(node, subtreeFlags); case 195 /* ExpressionWithTypeArguments */: return computeExpressionWithTypeArguments(node, subtreeFlags); case 149 /* Constructor */: @@ -21652,6 +21747,14 @@ var ts; node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */; return transformFlags & ~536874325 /* NodeExcludes */; } + function computeCatchClause(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.variableDeclaration && ts.isBindingPattern(node.variableDeclaration.name)) { + transformFlags |= 768 /* AssertES2015 */; + } + node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */; + return transformFlags & ~536874325 /* NodeExcludes */; + } function computeExpressionWithTypeArguments(node, subtreeFlags) { // An ExpressionWithTypeArguments is ES6 syntax, as it is used in the // extends clause of a class. @@ -22868,9 +22971,9 @@ var ts; var autoType = createIntrinsicType(1 /* Any */, "any"); var unknownType = createIntrinsicType(1 /* Any */, "unknown"); var undefinedType = createIntrinsicType(2048 /* Undefined */, "undefined"); - var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 /* Undefined */ | 33554432 /* ContainsWideningType */, "undefined"); + var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 /* Undefined */ | 524288 /* ContainsWideningType */, "undefined"); var nullType = createIntrinsicType(4096 /* Null */, "null"); - var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 /* Null */ | 33554432 /* ContainsWideningType */, "null"); + var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 /* Null */ | 524288 /* ContainsWideningType */, "null"); var stringType = createIntrinsicType(2 /* String */, "string"); var numberType = createIntrinsicType(4 /* Number */, "number"); var trueType = createIntrinsicType(128 /* BooleanLiteral */, "true"); @@ -22886,7 +22989,7 @@ var ts; var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes. - anyFunctionType.flags |= 134217728 /* ContainsAnyFunctionType */; + anyFunctionType.flags |= 2097152 /* ContainsAnyFunctionType */; var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasLiteralTypes*/ false); var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasLiteralTypes*/ false); @@ -23260,6 +23363,9 @@ var ts; var nodeId = getNodeId(node); return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 }); } + function getObjectFlags(type) { + return type.flags & 32768 /* Object */ ? type.objectFlags : 0; + } function isGlobalSourceFile(node) { return node.kind === 256 /* SourceFile */ && !ts.isExternalOrCommonJsModule(node); } @@ -23307,6 +23413,11 @@ var ts; // nodes are in different files and order cannot be determines return true; } + // declaration is after usage + // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) + if (isUsedInFunctionOrNonStaticProperty(usage)) { + return true; + } var sourceFiles = host.getSourceFiles(); return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); } @@ -23318,7 +23429,8 @@ var ts; } // declaration is after usage // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) - return isUsedInFunctionOrNonStaticProperty(declaration, usage); + var container = ts.getEnclosingBlockScopeContainer(declaration); + return isUsedInFunctionOrNonStaticProperty(usage, container); function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { var container = ts.getEnclosingBlockScopeContainer(declaration); switch (declaration.parent.parent.kind) { @@ -23342,8 +23454,7 @@ var ts; } return false; } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); + function isUsedInFunctionOrNonStaticProperty(usage, container) { var current = usage; while (current) { if (current === container) { @@ -24188,8 +24299,9 @@ var ts; type.intrinsicName = "boolean"; return type; } - function createObjectType(kind, symbol) { - var type = createType(kind); + function createObjectType(objectFlags, symbol) { + var type = createType(32768 /* Object */); + type.objectFlags = objectFlags; type.symbol = symbol; return type; } @@ -24217,7 +24329,7 @@ var ts; } return result || emptyArray; } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { + function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { type.members = members; type.properties = getNamedMembers(members); type.callSignatures = callSignatures; @@ -24229,7 +24341,7 @@ var ts; return type; } function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { - return setObjectTypeMembers(createObjectType(2097152 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + return setStructuredTypeMembers(createObjectType(16 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function forEachSymbolTableInScope(enclosingDeclaration, callback) { var result; @@ -24721,7 +24833,7 @@ var ts; } writer.writeKeyword("this"); } - else if (type.flags & 131072 /* Reference */) { + else if (getObjectFlags(type) & 4 /* Reference */) { writeTypeReference(type, nextFlags); } else if (type.flags & 256 /* EnumLiteral */) { @@ -24729,11 +24841,11 @@ var ts; writePunctuation(writer, 22 /* DotToken */); appendSymbolNameOnly(type.symbol, writer); } - else if (type.flags & (32768 /* Class */ | 65536 /* Interface */ | 16 /* Enum */ | 16384 /* TypeParameter */)) { + else if (getObjectFlags(type) & 3 /* ClassOrInterface */ || type.flags & (16 /* Enum */ | 16384 /* TypeParameter */)) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064 /* Type */, 0 /* None */, nextFlags); } - else if (!(flags & 512 /* InTypeAlias */) && ((type.flags & 2097152 /* Anonymous */ && !type.target) || type.flags & 1572864 /* UnionOrIntersection */) && type.aliasSymbol && + else if (!(flags & 512 /* InTypeAlias */) && ((getObjectFlags(type) & 16 /* Anonymous */ && !type.target) || type.flags & 196608 /* UnionOrIntersection */) && type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064 /* Type */, /*shouldComputeAliasesToMakeVisible*/ false).accessibility === 0 /* Accessible */) { // We emit inferred type as type-alias at the current localtion if all the following is true // the input type is has alias symbol that is accessible @@ -24744,10 +24856,10 @@ var ts; var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); } - else if (type.flags & 1572864 /* UnionOrIntersection */) { + else if (type.flags & 196608 /* UnionOrIntersection */) { writeUnionOrIntersectionType(type, nextFlags); } - else if (type.flags & 2097152 /* Anonymous */) { + else if (getObjectFlags(type) & 16 /* Anonymous */) { writeAnonymousType(type, nextFlags); } else if (type.flags & 96 /* StringOrNumberLiteral */) { @@ -24800,7 +24912,7 @@ var ts; writePunctuation(writer, 20 /* OpenBracketToken */); writePunctuation(writer, 21 /* CloseBracketToken */); } - else if (type.target.flags & 262144 /* Tuple */) { + else if (type.target.objectFlags & 8 /* Tuple */) { writePunctuation(writer, 20 /* OpenBracketToken */); writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 25 /* CommaToken */); writePunctuation(writer, 21 /* CloseBracketToken */); @@ -24836,7 +24948,7 @@ var ts; if (flags & 64 /* InElementType */) { writePunctuation(writer, 18 /* OpenParenToken */); } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { writeTypeList(formatUnionTypes(type.types), 48 /* BarToken */); } else { @@ -25362,7 +25474,6 @@ var ts; return getSymbolLinks(target).declaredType; } if (propertyName === 1 /* ResolvedBaseConstructorType */) { - ts.Debug.assert(!!(target.flags & 32768 /* Class */)); return target.resolvedBaseConstructorType; } if (propertyName === 3 /* ResolvedReturnType */) { @@ -25676,7 +25787,7 @@ var ts; result.pattern = pattern; } if (hasComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + result.objectFlags |= 256 /* ObjectLiteralPatternWithComputedProperties */; } return result; } @@ -25755,7 +25866,7 @@ var ts; } // Handle catch clause variables var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 252 /* CatchClause */) { + if (ts.isCatchClauseVariableDeclarationOrBindingElement(declaration)) { return links.type = anyType; } // Handle export default expressions @@ -25892,7 +26003,7 @@ var ts; links.type = anyType; } else { - var type = createObjectType(2097152 /* Anonymous */, symbol); + var type = createObjectType(16 /* Anonymous */, symbol); links.type = strictNullChecks && symbol.flags & 536870912 /* Optional */ ? includeFalsyTypes(type, 2048 /* Undefined */) : type; } @@ -25950,7 +26061,7 @@ var ts; return unknownType; } function getTargetType(type) { - return type.flags & 131072 /* Reference */ ? type.target : type; + return getObjectFlags(type) & 4 /* Reference */ ? type.target : type; } function hasBaseType(type, checkBase) { return check(type); @@ -26021,7 +26132,7 @@ var ts; return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); } function isConstructorType(type) { - return type.flags & 2588672 /* ObjectType */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; + return type.flags & 32768 /* Object */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; } function getBaseTypeNodeOfClass(type) { return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); @@ -26053,7 +26164,7 @@ var ts; return unknownType; } var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 2588672 /* ObjectType */) { + if (baseConstructorType.flags & 32768 /* Object */) { // Resolving the members of a class requires us to resolve the base class of that class. // We force resolution here such that we catch circularities now. resolveStructuredTypeMembers(baseConstructorType); @@ -26072,7 +26183,7 @@ var ts; } function getBaseTypes(type) { if (!type.resolvedBaseTypes) { - if (type.flags & 262144 /* Tuple */) { + if (type.objectFlags & 8 /* Tuple */) { type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))]; } else if (type.symbol.flags & (32 /* Class */ | 64 /* Interface */)) { @@ -26092,7 +26203,7 @@ var ts; function resolveBaseTypesOfClass(type) { type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 2588672 /* ObjectType */)) { + if (!(baseConstructorType.flags & 32768 /* Object */)) { return; } var baseTypeNode = getBaseTypeNodeOfClass(type); @@ -26119,7 +26230,7 @@ var ts; if (baseType === unknownType) { return; } - if (!(getTargetType(baseType).flags & (32768 /* Class */ | 65536 /* Interface */))) { + if (!(getObjectFlags(getTargetType(baseType)) & 3 /* ClassOrInterface */)) { error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); return; } @@ -26154,7 +26265,7 @@ var ts; var node = _c[_b]; var baseType = getTypeFromTypeNode(node); if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (32768 /* Class */ | 65536 /* Interface */)) { + if (getObjectFlags(getTargetType(baseType)) & 3 /* ClassOrInterface */) { if (type !== baseType && !hasBaseType(baseType, type)) { if (type.resolvedBaseTypes === emptyArray) { type.resolvedBaseTypes = [baseType]; @@ -26204,7 +26315,7 @@ var ts; function getDeclaredTypeOfClassOrInterface(symbol) { var links = getSymbolLinks(symbol); if (!links.declaredType) { - var kind = symbol.flags & 32 /* Class */ ? 32768 /* Class */ : 65536 /* Interface */; + var kind = symbol.flags & 32 /* Class */ ? 1 /* Class */ : 2 /* Interface */; var type = links.declaredType = createObjectType(kind, symbol); var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); @@ -26213,8 +26324,8 @@ var ts; // property types inferred from initializers and method return types inferred from return statements are very hard // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of // "this" references. - if (outerTypeParameters || localTypeParameters || kind === 32768 /* Class */ || !isIndependentInterface(symbol)) { - type.flags |= 131072 /* Reference */; + if (outerTypeParameters || localTypeParameters || kind === 1 /* Class */ || !isIndependentInterface(symbol)) { + type.objectFlags |= 4 /* Reference */; type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); type.outerTypeParameters = outerTypeParameters; type.localTypeParameters = localTypeParameters; @@ -26326,7 +26437,7 @@ var ts; } enumType.memberTypes = memberTypes; if (memberTypeList.length > 1) { - enumType.flags |= 524288 /* Union */; + enumType.flags |= 65536 /* Union */; enumType.types = memberTypeList; unionTypes[getTypeListId(memberTypeList)] = enumType; } @@ -26338,7 +26449,7 @@ var ts; var links = getSymbolLinks(symbol); if (!links.declaredType) { var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - links.declaredType = enumType.flags & 524288 /* Union */ ? + links.declaredType = enumType.flags & 65536 /* Union */ ? enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] : enumType; } @@ -26499,7 +26610,7 @@ var ts; return type; } function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 131072 /* Reference */) { + if (getObjectFlags(type) & 4 /* Reference */) { return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); } return type; @@ -26543,7 +26654,7 @@ var ts; numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1 /* Number */); } } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function resolveClassOrInterfaceMembers(type) { resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); @@ -26682,7 +26793,7 @@ var ts; var constructSignatures = getUnionSignatures(type.types, 1 /* Construct */); var stringIndexInfo = getUnionIndexInfo(type.types, 0 /* String */); var numberIndexInfo = getUnionIndexInfo(type.types, 1 /* Number */); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function intersectTypes(type1, type2) { return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); @@ -26704,7 +26815,7 @@ var ts; stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0 /* String */)); numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1 /* Number */)); } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function resolveAnonymousTypeMembers(type) { var symbol = type.symbol; @@ -26714,7 +26825,7 @@ var ts; var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1 /* Construct */), type.mapper, instantiateSignature); var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0 /* String */), type.mapper); var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1 /* Number */), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } else if (symbol.flags & 2048 /* TypeLiteral */) { var members = symbol.members; @@ -26722,7 +26833,7 @@ var ts; var constructSignatures = getSignaturesOfSymbol(members["__new"]); var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0 /* String */); var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1 /* Number */); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } else { // Combinations of function, class, enum and module @@ -26738,13 +26849,13 @@ var ts; constructSignatures = getDefaultConstructSignatures(classType); } var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 2588672 /* ObjectType */) { + if (baseConstructorType.flags & 32768 /* Object */) { members = createSymbolTable(getNamedMembers(members)); addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); } } var numberIndexInfo = symbol.flags & 384 /* Enum */ ? enumNumberIndexInfo : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); + setStructuredTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); // We resolve the members before computing the signatures because a signature may use // typeof with a qualified name expression that circularly references the type we are // in the process of resolving (see issue #6072). The temporarily empty signature list @@ -26756,19 +26867,21 @@ var ts; } function resolveStructuredTypeMembers(type) { if (!type.members) { - if (type.flags & 131072 /* Reference */) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (32768 /* Class */ | 65536 /* Interface */)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 2097152 /* Anonymous */) { - resolveAnonymousTypeMembers(type); + if (type.flags & 32768 /* Object */) { + if (type.objectFlags & 4 /* Reference */) { + resolveTypeReferenceMembers(type); + } + else if (type.objectFlags & 3 /* ClassOrInterface */) { + resolveClassOrInterfaceMembers(type); + } + else if (type.objectFlags & 16 /* Anonymous */) { + resolveAnonymousTypeMembers(type); + } } - else if (type.flags & 524288 /* Union */) { + else if (type.flags & 65536 /* Union */) { resolveUnionTypeMembers(type); } - else if (type.flags & 1048576 /* Intersection */) { + else if (type.flags & 131072 /* Intersection */) { resolveIntersectionTypeMembers(type); } } @@ -26776,7 +26889,7 @@ var ts; } /** Return properties of an object type or an empty array for other types */ function getPropertiesOfObjectType(type) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { return resolveStructuredTypeMembers(type).properties; } return emptyArray; @@ -26784,7 +26897,7 @@ var ts; /** If the given type is an object type and that type has a property by the given name, * return the symbol for that property. Otherwise return undefined. */ function getPropertyOfObjectType(type, name) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); var symbol = resolved.members[name]; if (symbol && symbolIsValue(symbol)) { @@ -26801,7 +26914,7 @@ var ts; } // The properties of a union type are those that are present in all constituent types, so // we only need to check the properties of the first type - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { break; } } @@ -26821,7 +26934,7 @@ var ts; } function getPropertiesOfType(type) { type = getApparentType(type); - return type.flags & 1572864 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + return type.flags & 196608 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); } /** * The apparent type of a type parameter is the base constraint instantiated with the type parameter @@ -26864,7 +26977,7 @@ var ts; var types = containingType.types; var props; // Flags we want to propagate to the result if they exist in all source symbols - var commonFlags = (containingType.flags & 1048576 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; + var commonFlags = (containingType.flags & 131072 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; var isReadonly = false; var isPartial = false; for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { @@ -26884,7 +26997,7 @@ var ts; isReadonly = true; } } - else if (containingType.flags & 524288 /* Union */) { + else if (containingType.flags & 65536 /* Union */) { isPartial = true; } } @@ -26919,7 +27032,7 @@ var ts; result.isPartial = isPartial; result.declarations = declarations; result.isReadonly = isReadonly; - result.type = containingType.flags & 524288 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); + result.type = containingType.flags & 65536 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); return result; } // Return the symbol for a given property in a union or intersection type, or undefined if the property @@ -26953,7 +27066,7 @@ var ts; */ function getPropertyOfType(type, name) { type = getApparentType(type); - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); var symbol = resolved.members[name]; if (symbol && symbolIsValue(symbol)) { @@ -26967,13 +27080,13 @@ var ts; } return getPropertyOfObjectType(globalObjectType, name); } - if (type.flags & 1572864 /* UnionOrIntersection */) { + if (type.flags & 196608 /* UnionOrIntersection */) { return getPropertyOfUnionOrIntersectionType(type, name); } return undefined; } function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 4161536 /* StructuredType */) { + if (type.flags & 229376 /* StructuredType */) { var resolved = resolveStructuredTypeMembers(type); return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures; } @@ -26987,7 +27100,7 @@ var ts; return getSignaturesOfStructuredType(getApparentType(type), kind); } function getIndexInfoOfStructuredType(type, kind) { - if (type.flags & 4161536 /* StructuredType */) { + if (type.flags & 229376 /* StructuredType */) { var resolved = resolveStructuredTypeMembers(type); return kind === 0 /* String */ ? resolved.stringIndexInfo : resolved.numberIndexInfo; } @@ -27277,7 +27390,7 @@ var ts; function getRestTypeOfSignature(signature) { if (signature.hasRestParameter) { var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 131072 /* Reference */ && type.target === globalArrayType) { + if (getObjectFlags(type) & 4 /* Reference */ && type.target === globalArrayType) { return type.typeArguments[0]; } } @@ -27301,7 +27414,7 @@ var ts; // will result in a different declaration kind. if (!signature.isolatedSignatureType) { var isConstructor = signature.declaration.kind === 149 /* Constructor */ || signature.declaration.kind === 153 /* ConstructSignature */; - var type = createObjectType(2097152 /* Anonymous */); + var type = createObjectType(16 /* Anonymous */); type.members = emptySymbols; type.properties = emptyArray; type.callSignatures = !isConstructor ? [signature] : emptyArray; @@ -27411,22 +27524,23 @@ var ts; result |= type.flags; } } - return result & 234881024 /* PropagatingFlags */; + return result & 3670016 /* PropagatingFlags */; } function createTypeReference(target, typeArguments) { var id = getTypeListId(typeArguments); var type = target.instantiations[id]; if (!type) { - var propagatedFlags = typeArguments ? getPropagatingFlagsOfTypes(typeArguments, /*excludeKinds*/ 0) : 0; - var flags = 131072 /* Reference */ | propagatedFlags; - type = target.instantiations[id] = createObjectType(flags, target.symbol); + type = target.instantiations[id] = createObjectType(4 /* Reference */, target.symbol); + type.flags |= typeArguments ? getPropagatingFlagsOfTypes(typeArguments, /*excludeKinds*/ 0) : 0; type.target = target; type.typeArguments = typeArguments; } return type; } function cloneTypeReference(source) { - var type = createObjectType(source.flags, source.symbol); + var type = createType(source.flags); + type.symbol = source.symbol; + type.objectFlags = source.objectFlags; type.target = source.target; type.typeArguments = source.typeArguments; return type; @@ -27582,7 +27696,7 @@ var ts; return arity ? emptyGenericType : emptyObjectType; } var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 2588672 /* ObjectType */)) { + if (!(type.flags & 32768 /* Object */)) { error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); return arity ? emptyGenericType : emptyObjectType; } @@ -27662,7 +27776,7 @@ var ts; property.type = typeParameter; properties.push(property); } - var type = createObjectType(262144 /* Tuple */ | 131072 /* Reference */); + var type = createObjectType(8 /* Tuple */ | 4 /* Reference */); type.typeParameters = typeParameters; type.outerTypeParameters = undefined; type.localTypeParameters = typeParameters; @@ -27717,7 +27831,7 @@ var ts; } function addTypeToUnion(typeSet, type) { var flags = type.flags; - if (flags & 524288 /* Union */) { + if (flags & 65536 /* Union */) { addTypesToUnion(typeSet, type.types); } else if (flags & 1 /* Any */) { @@ -27728,7 +27842,7 @@ var ts; typeSet.containsUndefined = true; if (flags & 4096 /* Null */) typeSet.containsNull = true; - if (!(flags & 33554432 /* ContainsWideningType */)) + if (!(flags & 524288 /* ContainsWideningType */)) typeSet.containsNonWideningType = true; } else if (!(flags & 8192 /* Never */)) { @@ -27741,7 +27855,8 @@ var ts; var len = typeSet.length; var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type); if (index < 0) { - if (!(flags & 2097152 /* Anonymous */ && type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */) && containsIdenticalType(typeSet, type))) { + if (!(flags & 32768 /* Object */ && type.objectFlags & 16 /* Anonymous */ && + type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */) && containsIdenticalType(typeSet, type))) { typeSet.splice(~index, 0, type); } } @@ -27805,7 +27920,7 @@ var ts; var t = types[i]; var remove = t.flags & 32 /* StringLiteral */ && types.containsString || t.flags & 64 /* NumberLiteral */ && types.containsNumber || - t.flags & 96 /* StringOrNumberLiteral */ && t.flags & 16777216 /* FreshLiteral */ && containsType(types, t.regularType); + t.flags & 96 /* StringOrNumberLiteral */ && t.flags & 262144 /* FreshLiteral */ && containsType(types, t.regularType); if (remove) { ts.orderedRemoveItemAt(types, i); } @@ -27855,7 +27970,7 @@ var ts; var type = unionTypes[id]; if (!type) { var propagatedFlags = getPropagatingFlagsOfTypes(types, /*excludeKinds*/ 6144 /* Nullable */); - type = unionTypes[id] = createObjectType(524288 /* Union */ | propagatedFlags); + type = unionTypes[id] = createType(65536 /* Union */ | propagatedFlags); type.types = types; type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; @@ -27870,7 +27985,7 @@ var ts; return links.resolvedType; } function addTypeToIntersection(typeSet, type) { - if (type.flags & 1048576 /* Intersection */) { + if (type.flags & 131072 /* Intersection */) { addTypesToIntersection(typeSet, type.types); } else if (type.flags & 1 /* Any */) { @@ -27888,6 +28003,11 @@ var ts; addTypeToIntersection(typeSet, type); } } + // We normalize combinations of intersection and union types based on the distributive property of the '&' + // operator. Specifically, because X & (A | B) is equivalent to X & A | X & B, we can transform intersection + // types with union type constituents into equivalent union types with intersection type constituents and + // effectively ensure that union types are always at the top level in type representations. + // // We do not perform structural deduplication on intersection types. Intersection types are created only by the & // type operator and we can't reduce those because we want to support recursive intersection types. For example, // a type alias of the form "type List = T & { next: List }" cannot be reduced during its declaration. @@ -27897,6 +28017,18 @@ var ts; if (types.length === 0) { return emptyObjectType; } + var _loop_1 = function (i) { + var type_1 = types[i]; + if (type_1.flags & 65536 /* Union */) { + return { value: getUnionType(ts.map(type_1.types, function (t) { return getIntersectionType(ts.replaceElement(types, i, t)); }), + /*subtypeReduction*/ false, aliasSymbol, aliasTypeArguments) }; + } + }; + for (var i = 0; i < types.length; i++) { + var state_2 = _loop_1(i); + if (typeof state_2 === "object") + return state_2.value; + } var typeSet = []; addTypesToIntersection(typeSet, types); if (typeSet.containsAny) { @@ -27909,7 +28041,7 @@ var ts; var type = intersectionTypes[id]; if (!type) { var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, /*excludeKinds*/ 6144 /* Nullable */); - type = intersectionTypes[id] = createObjectType(1048576 /* Intersection */ | propagatedFlags); + type = intersectionTypes[id] = createType(131072 /* Intersection */ | propagatedFlags); type.types = typeSet; type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; @@ -27927,7 +28059,7 @@ var ts; var links = getNodeLinks(node); if (!links.resolvedType) { // Deferred resolution of members is handled by resolveObjectTypeMembers - var type = createObjectType(2097152 /* Anonymous */, node.symbol); + var type = createObjectType(16 /* Anonymous */, node.symbol); type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; links.resolvedType = type; @@ -27940,9 +28072,9 @@ var ts; return type; } function getFreshTypeOfLiteralType(type) { - if (type.flags & 96 /* StringOrNumberLiteral */ && !(type.flags & 16777216 /* FreshLiteral */)) { + if (type.flags & 96 /* StringOrNumberLiteral */ && !(type.flags & 262144 /* FreshLiteral */)) { if (!type.freshType) { - var freshType = createLiteralType(type.flags | 16777216 /* FreshLiteral */, type.text); + var freshType = createLiteralType(type.flags | 262144 /* FreshLiteral */, type.text); freshType.regularType = type; type.freshType = freshType; } @@ -27951,7 +28083,7 @@ var ts; return type; } function getRegularTypeOfLiteralType(type) { - return type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 16777216 /* FreshLiteral */ ? type.regularType : type; + return type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 262144 /* FreshLiteral */ ? type.regularType : type; } function getLiteralTypeForText(flags, text) { var map = flags & 32 /* StringLiteral */ ? stringLiteralTypes : numericLiteralTypes; @@ -28226,7 +28358,7 @@ var ts; mapper.instantiations = []; } // Mark the anonymous type as instantiated such that our infinite instantiation detection logic can recognize it - var result = createObjectType(2097152 /* Anonymous */ | 4194304 /* Instantiated */, type.symbol); + var result = createObjectType(16 /* Anonymous */ | 32 /* Instantiated */, type.symbol); result.target = type; result.mapper = mapper; result.aliasSymbol = type.aliasSymbol; @@ -28288,25 +28420,27 @@ var ts; if (type.flags & 16384 /* TypeParameter */) { return mapper(type); } - if (type.flags & 2097152 /* Anonymous */) { - // If the anonymous type originates in a declaration of a function, method, class, or - // interface, in an object type literal, or in an object literal expression, we may need - // to instantiate the type because it might reference a type parameter. We skip instantiation - // if none of the type parameters that are in scope in the type's declaration are mapped by - // the given mapper, however we can only do that analysis if the type isn't itself an - // instantiation. - return type.symbol && - type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) && - (type.flags & 4194304 /* Instantiated */ || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? - instantiateAnonymousType(type, mapper) : type; - } - if (type.flags & 131072 /* Reference */) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); - } - if (type.flags & 524288 /* Union */ && !(type.flags & 8190 /* Primitive */)) { + if (type.flags & 32768 /* Object */) { + if (type.objectFlags & 16 /* Anonymous */) { + // If the anonymous type originates in a declaration of a function, method, class, or + // interface, in an object type literal, or in an object literal expression, we may need + // to instantiate the type because it might reference a type parameter. We skip instantiation + // if none of the type parameters that are in scope in the type's declaration are mapped by + // the given mapper, however we can only do that analysis if the type isn't itself an + // instantiation. + return type.symbol && + type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) && + (type.objectFlags & 32 /* Instantiated */ || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? + instantiateAnonymousType(type, mapper) : type; + } + if (type.objectFlags & 4 /* Reference */) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + } + } + if (type.flags & 65536 /* Union */ && !(type.flags & 8190 /* Primitive */)) { return getUnionType(instantiateList(type.types, mapper, instantiateType), /*subtypeReduction*/ false, type.aliasSymbol, mapper.targetTypes); } - if (type.flags & 1048576 /* Intersection */) { + if (type.flags & 131072 /* Intersection */) { return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes); } } @@ -28367,10 +28501,10 @@ var ts; return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func); } function getTypeWithoutSignatures(type) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); if (resolved.constructSignatures.length) { - var result = createObjectType(2097152 /* Anonymous */, type.symbol); + var result = createObjectType(16 /* Anonymous */, type.symbol); result.members = resolved.members; result.properties = resolved.properties; result.callSignatures = emptyArray; @@ -28573,7 +28707,7 @@ var ts; } if (source.symbol.name !== target.symbol.name || !(source.symbol.flags & 256 /* RegularEnum */) || !(target.symbol.flags & 256 /* RegularEnum */) || - (source.flags & 524288 /* Union */) !== (target.flags & 524288 /* Union */)) { + (source.flags & 65536 /* Union */) !== (target.flags & 65536 /* Union */)) { return enumRelation[id] = false; } var targetEnumType = getTypeOfSymbol(target.symbol); @@ -28630,23 +28764,23 @@ var ts; return false; } function isTypeRelatedTo(source, target, relation) { - if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 16777216 /* FreshLiteral */) { + if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 262144 /* FreshLiteral */) { source = source.regularType; } - if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 16777216 /* FreshLiteral */) { + if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 262144 /* FreshLiteral */) { target = target.regularType; } if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) { return true; } - if (source.flags & 2588672 /* ObjectType */ && target.flags & 2588672 /* ObjectType */) { + if (source.flags & 32768 /* Object */ && target.flags & 32768 /* Object */) { var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; var related = relation[id]; if (related !== undefined) { return related === 1 /* Succeeded */; } } - if (source.flags & 4177920 /* StructuredOrTypeParameter */ || target.flags & 4177920 /* StructuredOrTypeParameter */) { + if (source.flags & 245760 /* StructuredOrTypeParameter */ || target.flags & 245760 /* StructuredOrTypeParameter */) { return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined); } return false; @@ -28715,10 +28849,10 @@ var ts; // Ternary.False if they are not related. function isRelatedTo(source, target, reportErrors, headMessage) { var result; - if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 16777216 /* FreshLiteral */) { + if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 262144 /* FreshLiteral */) { source = source.regularType; } - if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 16777216 /* FreshLiteral */) { + if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 262144 /* FreshLiteral */) { target = target.regularType; } // both types are the same - covers 'they are the same primitive type or both are Any' or the same type parameter cases @@ -28729,7 +28863,7 @@ var ts; } if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) return -1 /* True */; - if (source.flags & 8388608 /* ObjectLiteral */ && source.flags & 16777216 /* FreshLiteral */) { + if (getObjectFlags(source) & 64 /* ObjectLiteral */ && source.flags & 262144 /* FreshLiteral */) { if (hasExcessProperties(source, target, reportErrors)) { if (reportErrors) { reportRelationError(headMessage, source, target); @@ -28740,13 +28874,15 @@ var ts; // and intersection types are further deconstructed on the target side, we don't want to // make the check again (as it might fail for a partial target type). Therefore we obtain // the regular source type and proceed with that. - if (target.flags & 1572864 /* UnionOrIntersection */) { + if (target.flags & 196608 /* UnionOrIntersection */) { source = getRegularTypeOfObjectLiteral(source); } } var saveErrorInfo = errorInfo; - // Note that these checks are specifically ordered to produce correct results. - if (source.flags & 524288 /* Union */) { + // Note that these checks are specifically ordered to produce correct results. In particular, + // we need to deconstruct unions before intersections (because unions are always at the top), + // and we need to handle "each" relations before "some" relations for the same kind of type. + if (source.flags & 65536 /* Union */) { if (relation === comparableRelation) { result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190 /* Primitive */)); } @@ -28757,38 +28893,32 @@ var ts; return result; } } - else if (target.flags & 1048576 /* Intersection */) { - result = typeRelatedToEachType(source, target, reportErrors); - if (result) { + else if (target.flags & 65536 /* Union */) { + if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190 /* Primitive */) && !(target.flags & 8190 /* Primitive */))) { return result; } } - else { - // It is necessary to try these "some" checks on both sides because there may be nested "each" checks - // on either side that need to be prioritized. For example, A | B = (A | B) & (C | D) or - // A & B = (A & B) | (C & D). - if (source.flags & 1048576 /* Intersection */) { - // Check to see if any constituents of the intersection are immediately related to the target. - // - // Don't report errors though. Checking whether a constituent is related to the source is not actually - // useful and leads to some confusing error messages. Instead it is better to let the below checks - // take care of this, or to not elaborate at all. For instance, - // - // - For an object type (such as 'C = A & B'), users are usually more interested in structural errors. - // - // - For a union type (such as '(A | B) = (C & D)'), it's better to hold onto the whole intersection - // than to report that 'D' is not assignable to 'A' or 'B'. - // - // - For a primitive type or type parameter (such as 'number = A & B') there is no point in - // breaking the intersection apart. - if (result = someTypeRelatedToType(source, target, /*reportErrors*/ false)) { - return result; - } + else if (target.flags & 131072 /* Intersection */) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; } - if (target.flags & 524288 /* Union */) { - if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190 /* Primitive */) && !(target.flags & 8190 /* Primitive */))) { - return result; - } + } + else if (source.flags & 131072 /* Intersection */) { + // Check to see if any constituents of the intersection are immediately related to the target. + // + // Don't report errors though. Checking whether a constituent is related to the source is not actually + // useful and leads to some confusing error messages. Instead it is better to let the below checks + // take care of this, or to not elaborate at all. For instance, + // + // - For an object type (such as 'C = A & B'), users are usually more interested in structural errors. + // + // - For a union type (such as '(A | B) = (C & D)'), it's better to hold onto the whole intersection + // than to report that 'D' is not assignable to 'A' or 'B'. + // + // - For a primitive type or type parameter (such as 'number = A & B') there is no point in + // breaking the intersection apart. + if (result = someTypeRelatedToType(source, target, /*reportErrors*/ false)) { + return result; } } if (source.flags & 16384 /* TypeParameter */) { @@ -28806,7 +28936,7 @@ var ts; } } else { - if (source.flags & 131072 /* Reference */ && target.flags & 131072 /* Reference */ && source.target === target.target) { + if (getObjectFlags(source) & 4 /* Reference */ && getObjectFlags(target) & 4 /* Reference */ && source.target === target.target) { // We have type references to same target type, see if relationship holds for all type arguments if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { return result; @@ -28818,7 +28948,7 @@ var ts; // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates // to X. Failing both of those we want to check if the aggregation of A and B's members structurally // relates to X. Thus, we include intersection types on the source side here. - if (apparentSource.flags & (2588672 /* ObjectType */ | 1048576 /* Intersection */) && target.flags & 2588672 /* ObjectType */) { + if (apparentSource.flags & (32768 /* Object */ | 131072 /* Intersection */) && target.flags & 32768 /* Object */) { // Report structural errors only if we haven't reported any errors yet var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190 /* Primitive */); if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { @@ -28828,10 +28958,10 @@ var ts; } } if (reportErrors) { - if (source.flags & 2588672 /* ObjectType */ && target.flags & 8190 /* Primitive */) { + if (source.flags & 32768 /* Object */ && target.flags & 8190 /* Primitive */) { tryElaborateErrorsForPrimitivesAndObjects(source, target); } - else if (source.symbol && source.flags & 2588672 /* ObjectType */ && globalObjectType === source) { + else if (source.symbol && source.flags & 32768 /* Object */ && globalObjectType === source) { reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); } reportRelationError(headMessage, source, target); @@ -28840,8 +28970,8 @@ var ts; } function isIdenticalTo(source, target) { var result; - if (source.flags & 2588672 /* ObjectType */ && target.flags & 2588672 /* ObjectType */) { - if (source.flags & 131072 /* Reference */ && target.flags & 131072 /* Reference */ && source.target === target.target) { + if (source.flags & 32768 /* Object */ && target.flags & 32768 /* Object */) { + if (getObjectFlags(source) & 4 /* Reference */ && getObjectFlags(target) & 4 /* Reference */ && source.target === target.target) { // We have type references to same target type, see if all type arguments are identical if (result = typeArgumentsRelatedTo(source, target, /*reportErrors*/ false)) { return result; @@ -28849,8 +28979,8 @@ var ts; } return objectTypeRelatedTo(source, source, target, /*reportErrors*/ false); } - if (source.flags & 524288 /* Union */ && target.flags & 524288 /* Union */ || - source.flags & 1048576 /* Intersection */ && target.flags & 1048576 /* Intersection */) { + if (source.flags & 65536 /* Union */ && target.flags & 65536 /* Union */ || + source.flags & 131072 /* Intersection */ && target.flags & 131072 /* Intersection */) { if (result = eachTypeRelatedToSomeType(source, target)) { if (result &= eachTypeRelatedToSomeType(target, source)) { return result; @@ -28864,7 +28994,7 @@ var ts; // index signatures, or if the property is actually declared in the object type. In a union or intersection // type, a property is considered known if it is known in any constituent type. function isKnownProperty(type, name) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) || resolved.stringIndexInfo || @@ -28873,7 +29003,7 @@ var ts; return true; } } - else if (type.flags & 1572864 /* UnionOrIntersection */) { + else if (type.flags & 196608 /* UnionOrIntersection */) { for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var t = _a[_i]; if (isKnownProperty(t, name)) { @@ -28891,8 +29021,7 @@ var ts; !t.numberIndexInfo; } function hasExcessProperties(source, target, reportErrors) { - if (maybeTypeOfKind(target, 2588672 /* ObjectType */) && - (!(target.flags & 2588672 /* ObjectType */) || !target.isObjectLiteralPatternWithComputedProperties)) { + if (maybeTypeOfKind(target, 32768 /* Object */) && !(getObjectFlags(target) & 256 /* ObjectLiteralPatternWithComputedProperties */)) { for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { var prop = _a[_i]; if (!isKnownProperty(target, prop.name)) { @@ -28925,7 +29054,7 @@ var ts; } function typeRelatedToSomeType(source, target, reportErrors) { var targetTypes = target.types; - if (target.flags & 524288 /* Union */ && containsType(targetTypes, source)) { + if (target.flags & 65536 /* Union */ && containsType(targetTypes, source)) { return -1 /* True */; } var len = targetTypes.length; @@ -28952,7 +29081,7 @@ var ts; } function someTypeRelatedToType(source, target, reportErrors) { var sourceTypes = source.types; - if (source.flags & 524288 /* Union */ && containsType(sourceTypes, target)) { + if (source.flags & 65536 /* Union */ && containsType(sourceTypes, target)) { return -1 /* True */; } var len = sourceTypes.length; @@ -29083,7 +29212,7 @@ var ts; } var result = -1 /* True */; var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 8388608 /* ObjectLiteral */); + var requireOptionalProperties = relation === subtypeRelation && !(getObjectFlags(source) & 64 /* ObjectLiteral */); for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { var targetProp = properties_2[_i]; var sourceProp = getPropertyOfType(source, targetProp.name); @@ -29156,7 +29285,7 @@ var ts; return result; } function propertiesIdenticalTo(source, target) { - if (!(source.flags & 2588672 /* ObjectType */ && target.flags & 2588672 /* ObjectType */)) { + if (!(source.flags & 32768 /* Object */ && target.flags & 32768 /* Object */)) { return 0 /* False */; } var sourceProperties = getPropertiesOfObjectType(source); @@ -29341,7 +29470,7 @@ var ts; } // Return true if the given type is the constructor type for an abstract class function isAbstractConstructorType(type) { - if (type.flags & 2097152 /* Anonymous */) { + if (getObjectFlags(type) & 16 /* Anonymous */) { var symbol = type.symbol; if (symbol && symbol.flags & 32 /* Class */) { var declaration = getClassLikeDeclarationOfSymbol(symbol); @@ -29359,12 +29488,12 @@ var ts; // some level beyond that. function isDeeplyNestedGeneric(type, stack, depth) { // We track type references (created by createTypeReference) and instantiated types (created by instantiateType) - if (type.flags & (131072 /* Reference */ | 4194304 /* Instantiated */) && depth >= 5) { + if (getObjectFlags(type) & (4 /* Reference */ | 32 /* Instantiated */) && depth >= 5) { var symbol = type.symbol; var count = 0; for (var i = 0; i < depth; i++) { var t = stack[i]; - if (t.flags & (131072 /* Reference */ | 4194304 /* Instantiated */) && t.symbol === symbol) { + if (getObjectFlags(t) & (4 /* Reference */ | 32 /* Instantiated */) && t.symbol === symbol) { count++; if (count >= 5) return true; @@ -29550,12 +29679,12 @@ var ts; checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); } function isArrayType(type) { - return type.flags & 131072 /* Reference */ && type.target === globalArrayType; + return getObjectFlags(type) & 4 /* Reference */ && type.target === globalArrayType; } function isArrayLikeType(type) { // A type is array-like if it is a reference to the global Array or global ReadonlyArray type, // or if it is not the undefined or null type and if it is assignable to ReadonlyArray - return type.flags & 131072 /* Reference */ && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || + return getObjectFlags(type) & 4 /* Reference */ && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || !(type.flags & 6144 /* Nullable */) && isTypeAssignableTo(type, anyReadonlyArrayType); } function isTupleLikeType(type) { @@ -29566,7 +29695,7 @@ var ts; } function isLiteralType(type) { return type.flags & 8 /* Boolean */ ? true : - type.flags & 524288 /* Union */ ? type.flags & 16 /* Enum */ ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : + type.flags & 65536 /* Union */ ? type.flags & 16 /* Enum */ ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : isUnitType(type); } function getBaseTypeOfLiteralType(type) { @@ -29574,15 +29703,15 @@ var ts; type.flags & 64 /* NumberLiteral */ ? numberType : type.flags & 128 /* BooleanLiteral */ ? booleanType : type.flags & 256 /* EnumLiteral */ ? type.baseType : - type.flags & 524288 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : + type.flags & 65536 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : type; } function getWidenedLiteralType(type) { - return type.flags & 32 /* StringLiteral */ && type.flags & 16777216 /* FreshLiteral */ ? stringType : - type.flags & 64 /* NumberLiteral */ && type.flags & 16777216 /* FreshLiteral */ ? numberType : + return type.flags & 32 /* StringLiteral */ && type.flags & 262144 /* FreshLiteral */ ? stringType : + type.flags & 64 /* NumberLiteral */ && type.flags & 262144 /* FreshLiteral */ ? numberType : type.flags & 128 /* BooleanLiteral */ ? booleanType : type.flags & 256 /* EnumLiteral */ ? type.baseType : - type.flags & 524288 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : + type.flags & 65536 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : type; } /** @@ -29590,7 +29719,7 @@ var ts; * Prefer using isTupleLikeType() unless the use of `elementTypes` is required. */ function isTupleType(type) { - return !!(type.flags & 131072 /* Reference */ && type.target.flags & 262144 /* Tuple */); + return !!(getObjectFlags(type) & 4 /* Reference */ && type.target.objectFlags & 8 /* Tuple */); } function getFalsyFlagsOfTypes(types) { var result = 0; @@ -29604,7 +29733,7 @@ var ts; // flags for the string, number, boolean, "", 0, false, void, undefined, or null types respectively. Returns // no flags for all other types (including non-falsy literal types). function getFalsyFlags(type) { - return type.flags & 524288 /* Union */ ? getFalsyFlagsOfTypes(type.types) : + return type.flags & 65536 /* Union */ ? getFalsyFlagsOfTypes(type.types) : type.flags & 32 /* StringLiteral */ ? type.text === "" ? 32 /* StringLiteral */ : 0 : type.flags & 64 /* NumberLiteral */ ? type.text === "0" ? 64 /* NumberLiteral */ : 0 : type.flags & 128 /* BooleanLiteral */ ? type === falseType ? 128 /* BooleanLiteral */ : 0 : @@ -29674,7 +29803,7 @@ var ts; * Leave signatures alone since they are not subject to the check. */ function getRegularTypeOfObjectLiteral(type) { - if (!(type.flags & 8388608 /* ObjectLiteral */ && type.flags & 16777216 /* FreshLiteral */)) { + if (!(getObjectFlags(type) & 64 /* ObjectLiteral */ && type.flags & 262144 /* FreshLiteral */)) { return type; } var regularType = type.regularType; @@ -29684,7 +29813,8 @@ var ts; var resolved = type; var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo); - regularNew.flags = resolved.flags & ~16777216 /* FreshLiteral */; + regularNew.flags = resolved.flags & ~262144 /* FreshLiteral */; + regularNew.objectFlags |= 64 /* ObjectLiteral */; type.regularType = regularNew; return regularNew; } @@ -29701,14 +29831,14 @@ var ts; return type.flags & 6144 /* Nullable */ ? type : getWidenedType(type); } function getWidenedType(type) { - if (type.flags & 100663296 /* RequiresWidening */) { + if (type.flags & 1572864 /* RequiresWidening */) { if (type.flags & 6144 /* Nullable */) { return anyType; } - if (type.flags & 8388608 /* ObjectLiteral */) { + if (getObjectFlags(type) & 64 /* ObjectLiteral */) { return getWidenedTypeOfObjectLiteral(type); } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { return getUnionType(ts.sameMap(type.types, getWidenedConstituentType)); } if (isArrayType(type) || isTupleType(type)) { @@ -29730,7 +29860,7 @@ var ts; */ function reportWideningErrorsInType(type) { var errorReported = false; - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var t = _a[_i]; if (reportWideningErrorsInType(t)) { @@ -29746,11 +29876,11 @@ var ts; } } } - if (type.flags & 8388608 /* ObjectLiteral */) { + if (getObjectFlags(type) & 64 /* ObjectLiteral */) { for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { var p = _e[_d]; var t = getTypeOfSymbol(p); - if (t.flags & 33554432 /* ContainsWideningType */) { + if (t.flags & 524288 /* ContainsWideningType */) { if (!reportWideningErrorsInType(t)) { error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); } @@ -29795,7 +29925,7 @@ var ts; error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); } function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 33554432 /* ContainsWideningType */) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 524288 /* ContainsWideningType */) { // Report implicit any error within type if possible, otherwise report error on declaration if (!reportWideningErrorsInType(type)) { reportImplicitAnyError(declaration, type); @@ -29844,9 +29974,9 @@ var ts; // results for union and intersection types for performance reasons. function couldContainTypeParameters(type) { return !!(type.flags & 16384 /* TypeParameter */ || - type.flags & 131072 /* Reference */ && ts.forEach(type.typeArguments, couldContainTypeParameters) || - type.flags & 2097152 /* Anonymous */ && type.symbol && type.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */) || - type.flags & 1572864 /* UnionOrIntersection */ && couldUnionOrIntersectionContainTypeParameters(type)); + getObjectFlags(type) & 4 /* Reference */ && ts.forEach(type.typeArguments, couldContainTypeParameters) || + getObjectFlags(type) & 16 /* Anonymous */ && type.symbol && type.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */) || + type.flags & 196608 /* UnionOrIntersection */ && couldUnionOrIntersectionContainTypeParameters(type)); } function couldUnionOrIntersectionContainTypeParameters(type) { if (type.couldContainTypeParameters === undefined) { @@ -29855,7 +29985,7 @@ var ts; return type.couldContainTypeParameters; } function isTypeParameterAtTopLevel(type, typeParameter) { - return type === typeParameter || type.flags & 1572864 /* UnionOrIntersection */ && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); + return type === typeParameter || type.flags & 196608 /* UnionOrIntersection */ && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); } function inferTypes(context, originalSource, originalTarget) { var typeParameters = context.signature.typeParameters; @@ -29877,8 +30007,8 @@ var ts; if (!couldContainTypeParameters(target)) { return; } - if (source.flags & 524288 /* Union */ && target.flags & 524288 /* Union */ && !(source.flags & 16 /* Enum */ && target.flags & 16 /* Enum */) || - source.flags & 1048576 /* Intersection */ && target.flags & 1048576 /* Intersection */) { + if (source.flags & 65536 /* Union */ && target.flags & 65536 /* Union */ && !(source.flags & 16 /* Enum */ && target.flags & 16 /* Enum */) || + source.flags & 131072 /* Intersection */ && target.flags & 131072 /* Intersection */) { // Source and target are both unions or both intersections. If source and target // are the same type, just relate each constituent type to itself. if (source === target) { @@ -29923,7 +30053,7 @@ var ts; // it as an inference candidate. Hopefully, a better candidate will come along that does // not contain anyFunctionType when we come back to this argument for its second round // of inference. - if (source.flags & 134217728 /* ContainsAnyFunctionType */) { + if (source.flags & 2097152 /* ContainsAnyFunctionType */) { return; } for (var i = 0; i < typeParameters.length; i++) { @@ -29950,7 +30080,7 @@ var ts; } } } - else if (source.flags & 131072 /* Reference */ && target.flags & 131072 /* Reference */ && source.target === target.target) { + else if (getObjectFlags(source) & 4 /* Reference */ && getObjectFlags(target) & 4 /* Reference */ && source.target === target.target) { // If source and target are references to the same generic type, infer from type arguments var sourceTypes = source.typeArguments || emptyArray; var targetTypes = target.typeArguments || emptyArray; @@ -29959,7 +30089,7 @@ var ts; inferFromTypes(sourceTypes[i], targetTypes[i]); } } - else if (target.flags & 1572864 /* UnionOrIntersection */) { + else if (target.flags & 196608 /* UnionOrIntersection */) { var targetTypes = target.types; var typeParameterCount = 0; var typeParameter = void 0; @@ -29983,7 +30113,7 @@ var ts; inferiority--; } } - else if (source.flags & 1572864 /* UnionOrIntersection */) { + else if (source.flags & 196608 /* UnionOrIntersection */) { // Source is a union or intersection type, infer from each constituent type var sourceTypes = source.types; for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) { @@ -29993,7 +30123,7 @@ var ts; } else { source = getApparentType(source); - if (source.flags & 2588672 /* ObjectType */) { + if (source.flags & 32768 /* Object */) { if (isInProcess(source, target)) { return; } @@ -30093,7 +30223,7 @@ var ts; reducedTypes.push(t); } } - return type.flags & 524288 /* Union */ ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); + return type.flags & 65536 /* Union */ ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); } function getInferenceCandidates(context, index) { var inferences = context.inferences[index]; @@ -30255,7 +30385,7 @@ var ts; return undefined; } function isDiscriminantProperty(type, name) { - if (type && type.flags & 524288 /* Union */) { + if (type && type.flags & 65536 /* Union */) { var prop = getUnionOrIntersectionProperty(type, name); if (prop && prop.flags & 268435456 /* SyntheticProperty */) { if (prop.isDiscriminantProperty === undefined) { @@ -30292,7 +30422,7 @@ var ts; return flow.id; } function typeMaybeAssignableTo(source, target) { - if (!(source.flags & 524288 /* Union */)) { + if (!(source.flags & 65536 /* Union */)) { return isTypeAssignableTo(source, target); } for (var _i = 0, _a = source.types; _i < _a.length; _i++) { @@ -30360,7 +30490,7 @@ var ts; type === falseType ? 3030404 /* FalseStrictFacts */ : 1981828 /* TrueStrictFacts */ : type === falseType ? 3145092 /* FalseFacts */ : 4193668 /* TrueFacts */; } - if (flags & 2588672 /* ObjectType */) { + if (flags & 32768 /* Object */) { return isFunctionObjectType(type) ? strictNullChecks ? 6164448 /* FunctionStrictFacts */ : 8376288 /* FunctionFacts */ : strictNullChecks ? 6166480 /* ObjectStrictFacts */ : 8378320 /* ObjectFacts */; @@ -30378,7 +30508,7 @@ var ts; var constraint = getConstraintOfTypeParameter(type); return getTypeFacts(constraint || emptyObjectType); } - if (flags & 1572864 /* UnionOrIntersection */) { + if (flags & 196608 /* UnionOrIntersection */) { return getTypeFactsOfTypes(type.types); } return 8388607 /* All */; @@ -30531,13 +30661,13 @@ var ts; return links.switchTypes; } function eachTypeContainedIn(source, types) { - return source.flags & 524288 /* Union */ ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + return source.flags & 65536 /* Union */ ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); } function isTypeSubsetOf(source, target) { - return source === target || target.flags & 524288 /* Union */ && isTypeSubsetOfUnion(source, target); + return source === target || target.flags & 65536 /* Union */ && isTypeSubsetOfUnion(source, target); } function isTypeSubsetOfUnion(source, target) { - if (source.flags & 524288 /* Union */) { + if (source.flags & 65536 /* Union */) { for (var _i = 0, _a = source.types; _i < _a.length; _i++) { var t = _a[_i]; if (!containsType(target.types, t)) { @@ -30552,7 +30682,7 @@ var ts; return containsType(target.types, source); } function filterType(type, f) { - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var types = type.types; var filtered = ts.filter(types, f); return filtered === types ? type : getUnionTypeFromSortedList(filtered); @@ -30560,7 +30690,7 @@ var ts; return f(type) ? type : neverType; } function mapType(type, f) { - return type.flags & 524288 /* Union */ ? getUnionType(ts.map(type.types, f)) : f(type); + return type.flags & 65536 /* Union */ ? getUnionType(ts.map(type.types, f)) : f(type); } function extractTypesOfKind(type, kind) { return filterType(type, function (t) { return (t.flags & kind) !== 0; }); @@ -30593,7 +30723,7 @@ var ts; // array types are ultimately converted into manifest array types (using getFinalArrayType) // and never escape the getFlowTypeOfReference function. function createEvolvingArrayType(elementType) { - var result = createObjectType(2097152 /* Anonymous */); + var result = createObjectType(128 /* EvolvingArray */); result.elementType = elementType; return result; } @@ -30607,13 +30737,10 @@ var ts; var elementType = getBaseTypeOfLiteralType(checkExpression(node)); return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); } - function isEvolvingArrayType(type) { - return !!(type.flags & 2097152 /* Anonymous */ && type.elementType); - } function createFinalArrayType(elementType) { return elementType.flags & 8192 /* Never */ ? autoArrayType : - createArrayType(elementType.flags & 524288 /* Union */ ? + createArrayType(elementType.flags & 65536 /* Union */ ? getUnionType(elementType.types, /*subtypeReduction*/ true) : elementType); } @@ -30622,17 +30749,17 @@ var ts; return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); } function finalizeEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? getFinalArrayType(type) : type; + return getObjectFlags(type) & 128 /* EvolvingArray */ ? getFinalArrayType(type) : type; } function getElementTypeOfEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? type.elementType : neverType; + return getObjectFlags(type) & 128 /* EvolvingArray */ ? type.elementType : neverType; } function isEvolvingArrayTypeList(types) { var hasEvolvingArrayType = false; for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { var t = types_12[_i]; if (!(t.flags & 8192 /* Never */)) { - if (!isEvolvingArrayType(t)) { + if (!(getObjectFlags(t) & 128 /* EvolvingArray */)) { return false; } hasEvolvingArrayType = true; @@ -30666,7 +30793,7 @@ var ts; } function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) { var key; - if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 4178943 /* Narrowable */)) { + if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 246783 /* Narrowable */)) { return declaredType; } var initialType = assumeInitialized ? declaredType : @@ -30679,7 +30806,7 @@ var ts; // we give type 'any[]' to 'x' instead of using the type determined by control flow analysis such that operations // on empty arrays are possible without implicit any errors and new element types can be inferred without // type mismatch errors. - var resultType = isEvolvingArrayType(evolvedType) && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); + var resultType = getObjectFlags(evolvedType) & 128 /* EvolvingArray */ && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); if (reference.parent.kind === 197 /* NonNullExpression */ && getTypeWithFacts(resultType, 524288 /* NEUndefinedOrNull */).flags & 8192 /* Never */) { return declaredType; } @@ -30766,7 +30893,7 @@ var ts; var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(node)); return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; } - if (declaredType.flags & 524288 /* Union */) { + if (declaredType.flags & 65536 /* Union */) { return getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)); } return declaredType; @@ -30789,7 +30916,7 @@ var ts; if (isMatchingReference(reference, getReferenceCandidate(expr))) { var flowType = getTypeAtFlowNode(flow.antecedent); var type = getTypeFromFlowType(flowType); - if (isEvolvingArrayType(type)) { + if (getObjectFlags(type) & 128 /* EvolvingArray */) { var evolvedType_1 = type; if (node.kind === 175 /* CallExpression */) { for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { @@ -30947,7 +31074,7 @@ var ts; } function isMatchingReferenceDiscriminant(expr) { return expr.kind === 173 /* PropertyAccessExpression */ && - declaredType.flags & 524288 /* Union */ && + declaredType.flags & 65536 /* Union */ && isMatchingReference(reference, expr.expression) && isDiscriminantProperty(declaredType, expr.name.text); } @@ -31029,7 +31156,7 @@ var ts; assumeTrue ? 16384 /* EQUndefined */ : 131072 /* NEUndefined */; return getTypeWithFacts(type, facts); } - if (type.flags & 2589185 /* NotUnionOrUnit */) { + if (type.flags & 33281 /* NotUnionOrUnit */) { return type; } if (assumeTrue) { @@ -31056,7 +31183,7 @@ var ts; if (operator === 32 /* ExclamationEqualsToken */ || operator === 34 /* ExclamationEqualsEqualsToken */) { assumeTrue = !assumeTrue; } - if (assumeTrue && !(type.flags & 524288 /* Union */)) { + if (assumeTrue && !(type.flags & 65536 /* Union */)) { // We narrow a non-union type to an exact primitive type if the non-union type // is a supertype of that primitive type. For example, type 'any' can be narrowed // to one of the primitive types. @@ -31118,10 +31245,10 @@ var ts; if (!targetType) { // Target type is type of construct signature var constructSignatures = void 0; - if (rightType.flags & 65536 /* Interface */) { + if (getObjectFlags(rightType) & 2 /* Interface */) { constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; } - else if (rightType.flags & 2097152 /* Anonymous */) { + else if (getObjectFlags(rightType) & 16 /* Anonymous */) { constructSignatures = getSignaturesOfType(rightType, 1 /* Construct */); } if (constructSignatures && constructSignatures.length) { @@ -31139,7 +31266,7 @@ var ts; } // If the current type is a union type, remove all constituents that couldn't be instances of // the candidate type. If one or more constituents remain, return a union of those. - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); }); if (!(assignableType.flags & 8192 /* Never */)) { return assignableType; @@ -32018,7 +32145,7 @@ var ts; // is a union type, the mapping function is applied to each constituent type and a union of the resulting // types is returned. function applyToContextualType(type, mapper) { - if (!(type.flags & 524288 /* Union */)) { + if (!(type.flags & 65536 /* Union */)) { return mapper(type); } var types = type.types; @@ -32043,7 +32170,7 @@ var ts; } function getTypeOfPropertyOfContextualType(type, name) { return applyToContextualType(type, function (t) { - var prop = t.flags & 4161536 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; + var prop = t.flags & 229376 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; return prop ? getTypeOfSymbol(prop) : undefined; }); } @@ -32052,7 +32179,7 @@ var ts; } // Return true if the given contextual type is a tuple-like type function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 524288 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + return !!(type.flags & 65536 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); } // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one @@ -32227,7 +32354,7 @@ var ts; if (!type) { return undefined; } - if (!(type.flags & 524288 /* Union */)) { + if (!(type.flags & 65536 /* Union */)) { return getNonGenericSignature(type); } var signatureList; @@ -32469,8 +32596,7 @@ var ts; patternWithComputedProperties = true; } } - else if (contextualTypeHasPattern && - !(contextualType.flags & 2588672 /* ObjectType */ && contextualType.isObjectLiteralPatternWithComputedProperties)) { + else if (contextualTypeHasPattern && !(getObjectFlags(contextualType) & 256 /* ObjectLiteralPatternWithComputedProperties */)) { // If object literal is contextually typed by the implied type of a binding pattern, and if the // binding pattern specifies a default value for the property, make the property optional. var impliedProp = getPropertyOfType(contextualType, member.name); @@ -32529,10 +32655,11 @@ var ts; var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0 /* String */) : undefined; var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1 /* Number */) : undefined; var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 16777216 /* FreshLiteral */; - result.flags |= 8388608 /* ObjectLiteral */ | 67108864 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 234881024 /* PropagatingFlags */); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 262144 /* FreshLiteral */; + result.flags |= 1048576 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 3670016 /* PropagatingFlags */); + result.objectFlags |= 64 /* ObjectLiteral */; if (patternWithComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + result.objectFlags |= 256 /* ObjectLiteralPatternWithComputedProperties */; } if (inDestructuringPattern) { result.pattern = node; @@ -32693,7 +32820,7 @@ var ts; * For example, in the element , the element instance type is `MyClass` (not `typeof MyClass`). */ function getJsxElementInstanceType(node, valueType) { - ts.Debug.assert(!(valueType.flags & 524288 /* Union */)); + ts.Debug.assert(!(valueType.flags & 65536 /* Union */)); if (isTypeAny(valueType)) { // Short-circuit if the class tag is using an element type 'any' return anyType; @@ -32751,7 +32878,7 @@ var ts; if (!elemType) { elemType = checkExpression(node.tagName); } - if (elemType.flags & 524288 /* Union */) { + if (elemType.flags & 65536 /* Union */) { var types = elemType.types; return getUnionType(ts.map(types, function (type) { return getResolvedJsxType(node, type, elemClassType); @@ -32825,7 +32952,7 @@ var ts; // Props is of type 'any' or unknown return attributesType; } - else if (attributesType.flags & 524288 /* Union */) { + else if (attributesType.flags & 65536 /* Union */) { // Props cannot be a union type error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); return anyType; @@ -32920,7 +33047,13 @@ var ts; var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; var reactSym = resolveName(node.tagName, reactNamespace, 107455 /* Value */, reactRefErr, reactNamespace); if (reactSym) { - getSymbolLinks(reactSym).referenced = true; + // Mark local symbol as referenced here because it might not have been marked + // if jsx emit was not react as there wont be error being emitted + reactSym.isReferenced = true; + // If react symbol is alias, mark it as refereced + if (reactSym.flags & 8388608 /* Alias */ && !isConstEnumOrConstEnumOnlyModule(resolveAlias(reactSym))) { + markAliasSymbolAsReferenced(reactSym); + } } var targetAttributesType = getJsxElementAttributesType(node); var nameTable = ts.createMap(); @@ -33047,7 +33180,7 @@ var ts; type = getConstraintOfTypeParameter(type); } // TODO: why is the first part of this check here? - if (!(getTargetType(type).flags & (32768 /* Class */ | 65536 /* Interface */) && hasBaseType(type, enclosingClass))) { + if (!(getObjectFlags(getTargetType(type)) & 3 /* ClassOrInterface */ && hasBaseType(type, enclosingClass))) { error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); return false; } @@ -33110,13 +33243,13 @@ var ts; // accessor, or optional method. if (node.kind !== 173 /* PropertyAccessExpression */ || ts.isAssignmentTarget(node) || !(prop.flags & (3 /* Variable */ | 4 /* Property */ | 98304 /* Accessor */)) && - !(prop.flags & 8192 /* Method */ && propType.flags & 524288 /* Union */)) { + !(prop.flags & 8192 /* Method */ && propType.flags & 65536 /* Union */)) { return propType; } return getFlowTypeOfReference(node, propType, /*assumeInitialized*/ true, /*flowContainer*/ undefined); function reportNonexistentProperty(propNode, containingType) { var errorInfo; - if (containingType.flags & 524288 /* Union */ && !(containingType.flags & 8190 /* Primitive */)) { + if (containingType.flags & 65536 /* Union */ && !(containingType.flags & 8190 /* Primitive */)) { for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { var subtype = _a[_i]; if (!getPropertyOfType(subtype, propNode.text)) { @@ -33479,7 +33612,7 @@ var ts; } // If type has a single call signature and no other members, return that signature. Otherwise, return undefined. function getSingleCallSignature(type) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { @@ -34195,7 +34328,7 @@ var ts; if (!numCallSignatures && !numConstructSignatures) { // We exclude union types because we may have a union of function types that happen to have // no common signatures. - if (funcType.flags & 524288 /* Union */) { + if (funcType.flags & 65536 /* Union */) { return false; } return isTypeAssignableTo(funcType, globalFunctionType); @@ -34448,14 +34581,37 @@ var ts; } } // In JavaScript files, calls to any identifier 'require' are treated as external module imports - if (ts.isInJavaScriptFile(node) && - ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true) && - // Make sure require is not a local function - !resolveName(node.expression, node.expression.text, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined)) { + if (ts.isInJavaScriptFile(node) && isCommonJsRequire(node)) { return resolveExternalModuleTypeByLiteral(node.arguments[0]); } return getReturnTypeOfSignature(signature); } + function isCommonJsRequire(node) { + if (!ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { + return false; + } + // Make sure require is not a local function + var resolvedRequire = resolveName(node.expression, node.expression.text, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); + if (!resolvedRequire) { + // project does not contain symbol named 'require' - assume commonjs require + return true; + } + // project includes symbol named 'require' - make sure that it it ambient and local non-alias + if (resolvedRequire.flags & 8388608 /* Alias */) { + return false; + } + var targetDeclarationKind = resolvedRequire.flags & 16 /* Function */ + ? 221 /* FunctionDeclaration */ + : resolvedRequire.flags & 3 /* Variable */ + ? 219 /* VariableDeclaration */ + : 0 /* Unknown */; + if (targetDeclarationKind !== 0 /* Unknown */) { + var decl = ts.getDeclarationOfKind(resolvedRequire, targetDeclarationKind); + // function/variable declaration should be ambient + return ts.isInAmbientContext(decl); + } + return false; + } function checkTaggedTemplateExpression(node) { return getReturnTypeOfSignature(getResolvedSignature(node)); } @@ -35051,7 +35207,7 @@ var ts; if (type.flags & kind) { return true; } - if (type.flags & 1572864 /* UnionOrIntersection */) { + if (type.flags & 196608 /* UnionOrIntersection */) { var types = type.types; for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { var t = types_15[_i]; @@ -35069,7 +35225,7 @@ var ts; if (type.flags & kind) { return true; } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var types = type.types; for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { var t = types_16[_i]; @@ -35079,7 +35235,7 @@ var ts; } return true; } - if (type.flags & 1048576 /* Intersection */) { + if (type.flags & 131072 /* Intersection */) { var types = type.types; for (var _a = 0, types_17 = types; _a < types_17.length; _a++) { var t = types_17[_a]; @@ -35091,7 +35247,7 @@ var ts; return false; } function isConstEnumObjectType(type) { - return type.flags & (2588672 /* ObjectType */ | 2097152 /* Anonymous */) && type.symbol && isConstEnumSymbol(type.symbol); + return getObjectFlags(type) & 16 /* Anonymous */ && type.symbol && isConstEnumSymbol(type.symbol); } function isConstEnumSymbol(symbol) { return (symbol.flags & 128 /* ConstEnum */) !== 0; @@ -35125,7 +35281,7 @@ var ts; if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 /* StringLike */ | 340 /* NumberLike */ | 512 /* ESSymbol */)) { error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 /* ObjectType */ | 16384 /* TypeParameter */)) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 /* Object */ | 16384 /* TypeParameter */)) { error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); } return booleanType; @@ -36679,7 +36835,7 @@ var ts; if (isTypeAny(promise)) { return undefined; } - if (promise.flags & 131072 /* Reference */) { + if (getObjectFlags(promise) & 4 /* Reference */) { if (promise.target === tryGetGlobalPromiseType() || promise.target === getGlobalPromiseLikeType()) { return promise.typeArguments[0]; @@ -36723,7 +36879,7 @@ var ts; function checkAwaitedType(type, location, message) { return checkAwaitedTypeWorker(type); function checkAwaitedTypeWorker(type) { - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var types = []; for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var constituentType = _a[_i]; @@ -37140,30 +37296,44 @@ var ts; } function checkUnusedLocalsAndParameters(node) { if (node.parent.kind !== 223 /* InterfaceDeclaration */ && noUnusedIdentifiers && !ts.isInAmbientContext(node)) { - var _loop_1 = function (key) { + var _loop_2 = function (key) { var local = node.locals[key]; if (!local.isReferenced) { - if (local.valueDeclaration && local.valueDeclaration.kind === 143 /* Parameter */) { - var parameter = local.valueDeclaration; + if (local.valueDeclaration && ts.getRootDeclaration(local.valueDeclaration).kind === 143 /* Parameter */) { + var parameter = ts.getRootDeclaration(local.valueDeclaration); if (compilerOptions.noUnusedParameters && !ts.isParameterPropertyDeclaration(parameter) && !ts.parameterIsThisKeyword(parameter) && - !parameterNameStartsWithUnderscore(parameter)) { + !parameterNameStartsWithUnderscore(local.valueDeclaration.name)) { error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); } } else if (compilerOptions.noUnusedLocals) { - ts.forEach(local.declarations, function (d) { return error(d.name || d, ts.Diagnostics._0_is_declared_but_never_used, local.name); }); + ts.forEach(local.declarations, function (d) { return errorUnusedLocal(d.name || d, local.name); }); } } }; for (var key in node.locals) { - _loop_1(key); + _loop_2(key); } } } - function parameterNameStartsWithUnderscore(parameter) { - return parameter.name && parameter.name.kind === 70 /* Identifier */ && parameter.name.text.charCodeAt(0) === 95 /* _ */; + function errorUnusedLocal(node, name) { + if (isIdentifierThatStartsWithUnderScore(node)) { + var declaration = ts.getRootDeclaration(node.parent); + if (declaration.kind === 219 /* VariableDeclaration */ && + (declaration.parent.parent.kind === 208 /* ForInStatement */ || + declaration.parent.parent.kind === 209 /* ForOfStatement */)) { + return; + } + } + error(node, ts.Diagnostics._0_is_declared_but_never_used, name); + } + function parameterNameStartsWithUnderscore(parameterName) { + return parameterName && isIdentifierThatStartsWithUnderScore(parameterName); + } + function isIdentifierThatStartsWithUnderScore(node) { + return node.kind === 70 /* Identifier */ && node.text.charCodeAt(0) === 95 /* _ */; } function checkUnusedClassMembers(node) { if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { @@ -37721,7 +37891,7 @@ var ts; var rightType = checkNonNullExpression(node.expression); // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved // in this case error about missing name is already reported - do not report extra one - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 /* ObjectType */ | 16384 /* TypeParameter */)) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 /* Object */ | 16384 /* TypeParameter */)) { error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); } checkSourceElement(node.statement); @@ -37803,7 +37973,7 @@ var ts; if (!typeAsIterable.iterableElementType) { // As an optimization, if the type is instantiated directly using the globalIterableType (Iterable), // then just grab its type argument. - if ((type.flags & 131072 /* Reference */) && type.target === getGlobalIterableType()) { + if ((getObjectFlags(type) & 4 /* Reference */) && type.target === getGlobalIterableType()) { typeAsIterable.iterableElementType = type.typeArguments[0]; } else { @@ -37844,7 +38014,7 @@ var ts; if (!typeAsIterator.iteratorElementType) { // As an optimization, if the type is instantiated directly using the globalIteratorType (Iterator), // then just grab its type argument. - if ((type.flags & 131072 /* Reference */) && type.target === getGlobalIteratorType()) { + if ((getObjectFlags(type) & 4 /* Reference */) && type.target === getGlobalIteratorType()) { typeAsIterator.iteratorElementType = type.typeArguments[0]; } else { @@ -37881,7 +38051,7 @@ var ts; } // As an optimization, if the type is instantiated directly using the globalIterableIteratorType (IterableIterator), // then just grab its type argument. - if ((type.flags & 131072 /* Reference */) && type.target === getGlobalIterableIteratorType()) { + if ((getObjectFlags(type) & 4 /* Reference */) && type.target === getGlobalIterableIteratorType()) { return type.typeArguments[0]; } return getElementTypeOfIterable(type, /*errorNode*/ undefined) || @@ -37909,7 +38079,7 @@ var ts; // After we remove all types that are StringLike, we will know if there was a string constituent // based on whether the remaining type is the same as the initial type. var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 524288 /* Union */) { + if (arrayOrStringType.flags & 65536 /* Union */) { arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34 /* StringLike */); }), /*subtypeReduction*/ true); } else if (arrayOrStringType.flags & 34 /* StringLike */) { @@ -38106,22 +38276,20 @@ var ts; if (catchClause) { // Grammar checking if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 70 /* Identifier */) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { + if (catchClause.variableDeclaration.type) { grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); } else if (catchClause.variableDeclaration.initializer) { grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); } else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2 /* BlockScopedVariable */) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); + var blockLocals = catchClause.block.locals; + if (blockLocals) { + for (var caughtName in catchClause.locals) { + var blockLocal = blockLocals[caughtName]; + if (blockLocal && (blockLocal.flags & 2 /* BlockScopedVariable */) !== 0) { + grammarErrorOnNode(blockLocal.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, caughtName); + } } } } @@ -38143,7 +38311,7 @@ var ts; checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); }); - if (type.flags & 32768 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { + if (getObjectFlags(type) & 1 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { var classDeclaration = type.symbol.valueDeclaration; for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { var member = _a[_i]; @@ -38162,7 +38330,7 @@ var ts; if (stringIndexType && numberIndexType) { errorNode = declaredNumberIndexer || declaredStringIndexer; // condition 'errorNode === undefined' may appear if types does not declare nor string neither number indexer - if (!errorNode && (type.flags & 65536 /* Interface */)) { + if (!errorNode && (getObjectFlags(type) & 2 /* Interface */)) { var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); }); errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; } @@ -38187,7 +38355,7 @@ var ts; else if (indexDeclaration) { errorNode = indexDeclaration; } - else if (containingType.flags & 65536 /* Interface */) { + else if (getObjectFlags(containingType) & 2 /* Interface */) { // for interfaces property and indexer might be inherited from different bases // check if any base class already has both property and indexer. // check should be performed only if 'type' is the first type that brings property\indexer together @@ -38302,7 +38470,9 @@ var ts; } checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (baseType_1.symbol.valueDeclaration && !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration)) { + if (baseType_1.symbol.valueDeclaration && + !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration) && + baseType_1.symbol.valueDeclaration.kind === 222 /* ClassDeclaration */) { if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) { error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class); } @@ -38331,8 +38501,8 @@ var ts; if (produceDiagnostics) { var t = getTypeFromTypeNode(typeRefNode); if (t !== unknownType) { - var declaredType = (t.flags & 131072 /* Reference */) ? t.target : t; - if (declaredType.flags & (32768 /* Class */ | 65536 /* Interface */)) { + var declaredType = getObjectFlags(t) & 4 /* Reference */ ? t.target : t; + if (getObjectFlags(declaredType) & 3 /* ClassOrInterface */) { checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); } else { @@ -38354,7 +38524,7 @@ var ts; if (declaration && ts.getModifierFlags(declaration) & 8 /* Private */) { var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol); if (!isNodeWithinClass(node, typeClassDeclaration)) { - error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, node.expression.text); + error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol)); } } } @@ -38554,6 +38724,7 @@ var ts; // Grammar checking checkGrammarDecorators(node) || checkGrammarModifiers(node); checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkTypeParameters(node.typeParameters); checkSourceElement(node.type); } function computeEnumMemberValues(node) { @@ -40195,7 +40366,7 @@ var ts; return undefined; } function isFunctionType(type) { - return type.flags & 2588672 /* ObjectType */ && getSignaturesOfType(type, 0 /* Call */).length > 0; + return type.flags & 32768 /* Object */ && getSignaturesOfType(type, 0 /* Call */).length > 0; } function getTypeReferenceSerializationKind(typeName, location) { // Resolve the symbol as a value to ensure the type can be reached at runtime during emit. @@ -40305,7 +40476,7 @@ var ts; function isLiteralConstDeclaration(node) { if (ts.isConst(node)) { var type = getTypeOfSymbol(getSymbolOfNode(node)); - return !!(type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 16777216 /* FreshLiteral */); + return !!(type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 262144 /* FreshLiteral */); } return false; } @@ -40587,7 +40758,7 @@ var ts; // build the thenable type that is used to verify against a non-promise "thenable" operand to `await`. var thenPropertySymbol = createSymbol(67108864 /* Transient */ | 4 /* Property */, "then"); getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(2097152 /* Anonymous */); + var thenableType = createObjectType(16 /* Anonymous */); thenableType.properties = [thenPropertySymbol]; thenableType.members = createSymbolTable(thenableType.properties); thenableType.callSignatures = []; @@ -42524,13 +42695,13 @@ var ts; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1 /* Normal */) ? function (message) { return Debug.assert(false, message || "Node not optional."); } - : function () { }; + : ts.noop; Debug.failBadSyntaxKind = Debug.shouldAssert(1 /* Normal */) ? function (node, message) { return Debug.assert(false, message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " was unexpected."; }); } - : function () { }; + : ts.noop; Debug.assertNode = Debug.shouldAssert(1 /* Normal */) ? function (node, test, message) { return Debug.assert(test === undefined || test(node), message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }); } - : function () { }; + : ts.noop; function getFunctionName(func) { if (typeof func !== "function") { return ""; @@ -45737,7879 +45908,7894 @@ var ts; } ts.transformTypeScript = transformTypeScript; })(ts || (ts = {})); -/// -/// +/// +/// /*@internal*/ var ts; (function (ts) { - var entities = createEntitiesMap(); - function transformJsx(context) { + function transformES2015Module(context) { var compilerOptions = context.getCompilerOptions(); - var currentSourceFile; return transformSourceFile; - /** - * Transform JSX-specific syntax in a SourceFile. - * - * @param node A SourceFile node. - */ function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - return node; - } - function visitor(node) { - if (node.transformFlags & 4 /* Jsx */) { - return visitorWorker(node); - } - else if (node.transformFlags & 8 /* ContainsJsx */) { + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { return ts.visitEachChild(node, visitor, context); } - else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 242 /* JsxElement */: - return visitJsxElement(node, /*isChild*/ false); - case 243 /* JsxSelfClosingElement */: - return visitJsxSelfClosingElement(node, /*isChild*/ false); - case 248 /* JsxExpression */: - return visitJsxExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; - } + return node; } - function transformJsxChildToExpression(node) { + function visitor(node) { switch (node.kind) { - case 10 /* JsxText */: - return visitJsxText(node); - case 248 /* JsxExpression */: - return visitJsxExpression(node); - case 242 /* JsxElement */: - return visitJsxElement(node, /*isChild*/ true); - case 243 /* JsxSelfClosingElement */: - return visitJsxSelfClosingElement(node, /*isChild*/ true); - default: - ts.Debug.failBadSyntaxKind(node); + case 230 /* ImportEqualsDeclaration */: + // Elide `import=` as it is not legal with --module ES6 return undefined; + case 236 /* ExportAssignment */: + return visitExportAssignment(node); } + return node; } - function visitJsxElement(node, isChild) { - return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, /*location*/ node); - } - function visitJsxSelfClosingElement(node, isChild) { - return visitJsxOpeningLikeElement(node, /*children*/ undefined, isChild, /*location*/ node); + function visitExportAssignment(node) { + // Elide `export=` as it is not legal with --module ES6 + return node.isExportEquals ? undefined : node; } - function visitJsxOpeningLikeElement(node, children, isChild, location) { - var tagName = getTagName(node); - var objectProperties; - var attrs = node.attributes; - if (attrs.length === 0) { - // When there are no attributes, React wants "null" - objectProperties = ts.createNull(); - } - else { - // Map spans of JsxAttribute nodes into object literals and spans - // of JsxSpreadAttribute nodes into expressions. - var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread - ? ts.map(attrs, transformJsxSpreadAttributeToExpression) - : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); - if (ts.isJsxSpreadAttribute(attrs[0])) { - // We must always emit at least one object literal before a spread - // argument. - segments.unshift(ts.createObjectLiteral()); - } - // Either emit one big object literal (no spread attribs), or - // a call to the __assign helper. - objectProperties = ts.singleOrUndefined(segments) - || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); + } + ts.transformES2015Module = transformES2015Module; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformSystemModule(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70 /* Identifier */); + context.enableSubstitution(188 /* BinaryExpression */); + context.enableSubstitution(186 /* PrefixUnaryExpression */); + context.enableSubstitution(187 /* PostfixUnaryExpression */); + context.enableEmitNotification(256 /* SourceFile */); + var exportFunctionForFileMap = []; + var currentSourceFile; + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var exportFunctionForFile; + var contextObjectForFile; + var exportedLocalNames; + var exportedFunctionDeclarations; + var enclosingBlockScopedContainer; + var currentParent; + var currentNode; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); - if (isChild) { - ts.startOnNewLine(element); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + currentNode = node; + // Perform the transformation. + var updated = transformSystemModuleWorker(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + exportedLocalNames = undefined; + exportedFunctionDeclarations = undefined; + return updated; } - return element; + return node; } - function transformJsxSpreadAttributeToExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function transformSystemModuleWorker(node) { + // System modules have the following shape: + // + // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) + // + // The parameter 'exports' here is a callback '(name: string, value: T) => T' that + // is used to publish exported values. 'exports' returns its 'value' argument so in + // most cases expressions that mutate exported values can be rewritten as: + // + // expr -> exports('name', expr) + // + // The only exception in this rule is postfix unary operators, + // see comment to 'substitutePostfixUnaryExpression' for more details + ts.Debug.assert(!exportFunctionForFile); + // Collect information about the external module and dependency groups. + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + // Make sure that the name of the 'exports' function does not conflict with + // existing identifiers. + exportFunctionForFile = ts.createUniqueName("exports"); + contextObjectForFile = ts.createUniqueName("context"); + exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; + var dependencyGroups = collectDependencyGroups(externalImports); + var statements = []; + // Add the body of the module. + addSystemModuleBody(statements, node, dependencyGroups); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); + var body = ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ + ts.createParameter(exportFunctionForFile), + ts.createParameter(contextObjectForFile) + ], + /*type*/ undefined, ts.setEmitFlags(ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true), 1 /* EmitEmitHelpers */)); + // Write the call to `System.register` + // Clear the emit-helpers flag for later passes since we'll have already used it in the module body + // So the helper will be emit at the correct position instead of at the top of the source-file + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), + /*typeArguments*/ undefined, moduleName + ? [moduleName, dependencies, body] + : [dependencies, body])) + ], /*nodeEmitFlags*/ ~1 /* EmitEmitHelpers */ & ts.getEmitFlags(node)); + var _a; } - function transformJsxAttributeToObjectLiteralElement(node) { - var name = getAttributeName(node); - var expression = transformJsxAttributeInitializer(node.initializer); - return ts.createPropertyAssignment(name, expression); + /** + * Adds the statements for the module body function for the source file. + * + * @param statements The output statements for the module body. + * @param node The source file for the module. + * @param statementOffset The offset at which to begin visiting the statements of the SourceFile. + */ + function addSystemModuleBody(statements, node, dependencyGroups) { + // Shape of the body in system modules: + // + // function (exports) { + // + // + // + // return { + // setters: [ + // + // ], + // execute: function() { + // + // } + // } + // + // } + // + // i.e: + // + // import {x} from 'file1' + // var y = 1; + // export function foo() { return y + x(); } + // console.log(y); + // + // Will be transformed to: + // + // function(exports) { + // var file_1; // local alias + // var y; + // function foo() { return y + file_1.x(); } + // exports("foo", foo); + // return { + // setters: [ + // function(v) { file_1 = v } + // ], + // execute(): function() { + // y = 1; + // console.log(y); + // } + // }; + // } + // We start a new lexical environment in this function body, but *not* in the + // body of the execute function. This allows us to emit temporary declarations + // only in the outer module body and not in the inner one. + startLexicalEnvironment(); + // Add any prologue directives. + var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitSourceElement); + // var __moduleName = context_1 && context_1.id; + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("__moduleName", + /*type*/ undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) + ]))); + // Visit the statements of the source file, emitting any transformations into + // the `executeStatements` array. We do this *before* we fill the `setters` array + // as we both emit transformations as well as aggregate some data used when creating + // setters. This allows us to reduce the number of times we need to loop through the + // statements of the source file. + var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); + // We emit the lexical environment (hoisted variables and function declarations) + // early to align roughly with our previous emit output. + // Two key differences in this approach are: + // - Temporary variables will appear at the top rather than at the bottom of the file + // - Calls to the exporter for exported function declarations are grouped after + // the declarations. + ts.addRange(statements, endLexicalEnvironment()); + // Emit early exports for function declarations. + ts.addRange(statements, exportedFunctionDeclarations); + var exportStarFunction = addExportStarIfNeeded(statements); + statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ + ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), + ts.createPropertyAssignment("execute", ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, + /*parameters*/ [], + /*type*/ undefined, ts.createBlock(executeStatements, + /*location*/ undefined, + /*multiLine*/ true))) + ]), + /*multiLine*/ true))); } - function transformJsxAttributeInitializer(node) { - if (node === undefined) { - return ts.createLiteral(true); - } - else if (node.kind === 9 /* StringLiteral */) { - var decoded = tryDecodeEntities(node.text); - return decoded ? ts.createLiteral(decoded, /*location*/ node) : node; - } - else if (node.kind === 248 /* JsxExpression */) { - return visitJsxExpression(node); - } - else { - ts.Debug.failBadSyntaxKind(node); + function addExportStarIfNeeded(statements) { + if (!hasExportStarsToExportValues) { + return; } - } - function visitJsxText(node) { - var text = ts.getTextOfNode(node, /*includeTrivia*/ true); - var parts; - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - // JSX trims whitespace at the end and beginning of lines, except that the - // start/end of a tag is considered a start/end of a line only if that line is - // on the same line as the closing tag. See examples in - // tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - if (!parts) { - parts = []; - } - // We do not escape the string here as that is handled by the printer - // when it emits the literal. We do, however, need to decode JSX entities. - parts.push(ts.createLiteral(decodeEntities(part))); + // when resolving exports local exported entries/indirect exported entries in the module + // should always win over entries with similar names that were added via star exports + // to support this we store names of local/indirect exported entries in a set. + // this set is used to filter names brought by star expors. + // local names set should only be added if we have anything exported + if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { + // no exported declarations (export var ...) or export specifiers (export {x}) + // check if we have any non star export declarations. + var hasExportDeclarationWithExportClause = false; + for (var _i = 0, externalImports_1 = externalImports; _i < externalImports_1.length; _i++) { + var externalImport = externalImports_1[_i]; + if (externalImport.kind === 237 /* ExportDeclaration */ && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; } - firstNonWhitespace = -1; } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } + if (!hasExportDeclarationWithExportClause) { + // we still need to emit exportStar helper + return addExportStarFunction(statements, /*localNames*/ undefined); } } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - if (!parts) { - parts = []; + var exportedNames = []; + if (exportedLocalNames) { + for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { + var exportedLocalName = exportedLocalNames_1[_a]; + // write name of exported declaration, i.e 'export var x...' + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); } - // We do not escape the string here as that is handled by the printer - // when it emits the literal. We do, however, need to decode JSX entities. - parts.push(ts.createLiteral(decodeEntities(part))); } - if (parts) { - return ts.reduceLeft(parts, aggregateJsxTextParts); + for (var _b = 0, externalImports_2 = externalImports; _b < externalImports_2.length; _b++) { + var externalImport = externalImports_2[_b]; + if (externalImport.kind !== 237 /* ExportDeclaration */) { + continue; + } + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + // export * from ... + continue; + } + for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { + var element = _d[_c]; + // write name of indirectly exported entry, i.e. 'export {x} from ...' + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); + } } - return undefined; + var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exportedNamesStorageRef, + /*type*/ undefined, ts.createObjectLiteral(exportedNames, /*location*/ undefined, /*multiline*/ true)) + ]))); + return addExportStarFunction(statements, exportedNamesStorageRef); } /** - * Aggregates two expressions by interpolating them with a whitespace literal. + * Emits a setter callback for each dependency group. + * @param write The callback used to write each callback. */ - function aggregateJsxTextParts(left, right) { - return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); - } - /** - * Replace entities like " ", "{", and "�" with the characters they encode. - * See https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references - */ - function decodeEntities(text) { - return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { - if (decimal) { - return String.fromCharCode(parseInt(decimal, 10)); - } - else if (hex) { - return String.fromCharCode(parseInt(hex, 16)); - } - else { - var ch = entities[word]; - // If this is not a valid entity, then just use `match` (replace it with itself, i.e. don't replace) - return ch ? String.fromCharCode(ch) : match; - } - }); - } - /** Like `decodeEntities` but returns `undefined` if there were no entities to decode. */ - function tryDecodeEntities(text) { - var decoded = decodeEntities(text); - return decoded === text ? undefined : decoded; - } - function getTagName(node) { - if (node.kind === 242 /* JsxElement */) { - return getTagName(node.openingElement); - } - else { - var name_31 = node.tagName; - if (ts.isIdentifier(name_31) && ts.isIntrinsicJsxName(name_31.text)) { - return ts.createLiteral(name_31.text); - } - else { - return ts.createExpressionFromEntityName(name_31); - } - } - } - /** - * Emit an attribute name, which is quoted if it needs to be quoted. Because - * these emit into an object literal property name, we don't need to be worried - * about keywords, just non-identifier characters - */ - function getAttributeName(node) { - var name = node.name; - if (/^[A-Za-z_]\w*$/.test(name.text)) { - return name; - } - else { - return ts.createLiteral(name.text); - } - } - function visitJsxExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); - } - } - ts.transformJsx = transformJsx; - function createEntitiesMap() { - return ts.createMap({ - "quot": 0x0022, - "amp": 0x0026, - "apos": 0x0027, - "lt": 0x003C, - "gt": 0x003E, - "nbsp": 0x00A0, - "iexcl": 0x00A1, - "cent": 0x00A2, - "pound": 0x00A3, - "curren": 0x00A4, - "yen": 0x00A5, - "brvbar": 0x00A6, - "sect": 0x00A7, - "uml": 0x00A8, - "copy": 0x00A9, - "ordf": 0x00AA, - "laquo": 0x00AB, - "not": 0x00AC, - "shy": 0x00AD, - "reg": 0x00AE, - "macr": 0x00AF, - "deg": 0x00B0, - "plusmn": 0x00B1, - "sup2": 0x00B2, - "sup3": 0x00B3, - "acute": 0x00B4, - "micro": 0x00B5, - "para": 0x00B6, - "middot": 0x00B7, - "cedil": 0x00B8, - "sup1": 0x00B9, - "ordm": 0x00BA, - "raquo": 0x00BB, - "frac14": 0x00BC, - "frac12": 0x00BD, - "frac34": 0x00BE, - "iquest": 0x00BF, - "Agrave": 0x00C0, - "Aacute": 0x00C1, - "Acirc": 0x00C2, - "Atilde": 0x00C3, - "Auml": 0x00C4, - "Aring": 0x00C5, - "AElig": 0x00C6, - "Ccedil": 0x00C7, - "Egrave": 0x00C8, - "Eacute": 0x00C9, - "Ecirc": 0x00CA, - "Euml": 0x00CB, - "Igrave": 0x00CC, - "Iacute": 0x00CD, - "Icirc": 0x00CE, - "Iuml": 0x00CF, - "ETH": 0x00D0, - "Ntilde": 0x00D1, - "Ograve": 0x00D2, - "Oacute": 0x00D3, - "Ocirc": 0x00D4, - "Otilde": 0x00D5, - "Ouml": 0x00D6, - "times": 0x00D7, - "Oslash": 0x00D8, - "Ugrave": 0x00D9, - "Uacute": 0x00DA, - "Ucirc": 0x00DB, - "Uuml": 0x00DC, - "Yacute": 0x00DD, - "THORN": 0x00DE, - "szlig": 0x00DF, - "agrave": 0x00E0, - "aacute": 0x00E1, - "acirc": 0x00E2, - "atilde": 0x00E3, - "auml": 0x00E4, - "aring": 0x00E5, - "aelig": 0x00E6, - "ccedil": 0x00E7, - "egrave": 0x00E8, - "eacute": 0x00E9, - "ecirc": 0x00EA, - "euml": 0x00EB, - "igrave": 0x00EC, - "iacute": 0x00ED, - "icirc": 0x00EE, - "iuml": 0x00EF, - "eth": 0x00F0, - "ntilde": 0x00F1, - "ograve": 0x00F2, - "oacute": 0x00F3, - "ocirc": 0x00F4, - "otilde": 0x00F5, - "ouml": 0x00F6, - "divide": 0x00F7, - "oslash": 0x00F8, - "ugrave": 0x00F9, - "uacute": 0x00FA, - "ucirc": 0x00FB, - "uuml": 0x00FC, - "yacute": 0x00FD, - "thorn": 0x00FE, - "yuml": 0x00FF, - "OElig": 0x0152, - "oelig": 0x0153, - "Scaron": 0x0160, - "scaron": 0x0161, - "Yuml": 0x0178, - "fnof": 0x0192, - "circ": 0x02C6, - "tilde": 0x02DC, - "Alpha": 0x0391, - "Beta": 0x0392, - "Gamma": 0x0393, - "Delta": 0x0394, - "Epsilon": 0x0395, - "Zeta": 0x0396, - "Eta": 0x0397, - "Theta": 0x0398, - "Iota": 0x0399, - "Kappa": 0x039A, - "Lambda": 0x039B, - "Mu": 0x039C, - "Nu": 0x039D, - "Xi": 0x039E, - "Omicron": 0x039F, - "Pi": 0x03A0, - "Rho": 0x03A1, - "Sigma": 0x03A3, - "Tau": 0x03A4, - "Upsilon": 0x03A5, - "Phi": 0x03A6, - "Chi": 0x03A7, - "Psi": 0x03A8, - "Omega": 0x03A9, - "alpha": 0x03B1, - "beta": 0x03B2, - "gamma": 0x03B3, - "delta": 0x03B4, - "epsilon": 0x03B5, - "zeta": 0x03B6, - "eta": 0x03B7, - "theta": 0x03B8, - "iota": 0x03B9, - "kappa": 0x03BA, - "lambda": 0x03BB, - "mu": 0x03BC, - "nu": 0x03BD, - "xi": 0x03BE, - "omicron": 0x03BF, - "pi": 0x03C0, - "rho": 0x03C1, - "sigmaf": 0x03C2, - "sigma": 0x03C3, - "tau": 0x03C4, - "upsilon": 0x03C5, - "phi": 0x03C6, - "chi": 0x03C7, - "psi": 0x03C8, - "omega": 0x03C9, - "thetasym": 0x03D1, - "upsih": 0x03D2, - "piv": 0x03D6, - "ensp": 0x2002, - "emsp": 0x2003, - "thinsp": 0x2009, - "zwnj": 0x200C, - "zwj": 0x200D, - "lrm": 0x200E, - "rlm": 0x200F, - "ndash": 0x2013, - "mdash": 0x2014, - "lsquo": 0x2018, - "rsquo": 0x2019, - "sbquo": 0x201A, - "ldquo": 0x201C, - "rdquo": 0x201D, - "bdquo": 0x201E, - "dagger": 0x2020, - "Dagger": 0x2021, - "bull": 0x2022, - "hellip": 0x2026, - "permil": 0x2030, - "prime": 0x2032, - "Prime": 0x2033, - "lsaquo": 0x2039, - "rsaquo": 0x203A, - "oline": 0x203E, - "frasl": 0x2044, - "euro": 0x20AC, - "image": 0x2111, - "weierp": 0x2118, - "real": 0x211C, - "trade": 0x2122, - "alefsym": 0x2135, - "larr": 0x2190, - "uarr": 0x2191, - "rarr": 0x2192, - "darr": 0x2193, - "harr": 0x2194, - "crarr": 0x21B5, - "lArr": 0x21D0, - "uArr": 0x21D1, - "rArr": 0x21D2, - "dArr": 0x21D3, - "hArr": 0x21D4, - "forall": 0x2200, - "part": 0x2202, - "exist": 0x2203, - "empty": 0x2205, - "nabla": 0x2207, - "isin": 0x2208, - "notin": 0x2209, - "ni": 0x220B, - "prod": 0x220F, - "sum": 0x2211, - "minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }); - } -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformES2017(context) { - var ES2017SubstitutionFlags; - (function (ES2017SubstitutionFlags) { - /** Enables substitutions for async methods with `super` calls. */ - ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; - })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; - var resolver = context.getEmitResolver(); - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - // These variables contain state that changes as we descend into the tree. - var currentSourceFileExternalHelpersModuleName; - /** - * Keeps track of whether expression substitution has been enabled for specific edge cases. - * They are persisted between each SourceFile transformation and should not be reset. - */ - var enabledSubstitutions; - /** - * Keeps track of whether we are within any containing namespaces when performing - * just-in-time substitution while printing an expression identifier. - */ - var applicableSubstitutions; - /** - * This keeps track of containers where `super` is valid, for use with - * just-in-time substitution for `super` expressions inside of async methods. - */ - var currentSuperContainer; - // Save the previous transformation hooks. - var previousOnEmitNode = context.onEmitNode; - var previousOnSubstituteNode = context.onSubstituteNode; - // Set new transformation hooks. - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - var currentScope; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; - return ts.visitEachChild(node, visitor, context); - } - function visitor(node) { - if (node.transformFlags & 16 /* ES2017 */) { - return visitorWorker(node); - } - else if (node.transformFlags & 32 /* ContainsES2017 */) { - return ts.visitEachChild(node, visitor, context); - } - return node; - } - function visitorWorker(node) { - switch (node.kind) { - case 119 /* AsyncKeyword */: - // ES2017 async modifier should be elided for targets < ES2017 - return undefined; - case 185 /* AwaitExpression */: - // ES2017 'await' expressions must be transformed for targets < ES2017. - return visitAwaitExpression(node); - case 148 /* MethodDeclaration */: - // ES2017 method declarations may be 'async' - return visitMethodDeclaration(node); - case 221 /* FunctionDeclaration */: - // ES2017 function declarations may be 'async' - return visitFunctionDeclaration(node); - case 180 /* FunctionExpression */: - // ES2017 function expressions may be 'async' - return visitFunctionExpression(node); - case 181 /* ArrowFunction */: - // ES2017 arrow functions may be 'async' - return visitArrowFunction(node); - default: - ts.Debug.failBadSyntaxKind(node); - return node; - } - } - /** - * Visits an await expression. - * - * This function will be called any time a ES2017 await expression is encountered. - * - * @param node The await expression node. - */ - function visitAwaitExpression(node) { - return ts.setOriginalNode(ts.createYield( - /*asteriskToken*/ undefined, ts.visitNode(node.expression, visitor, ts.isExpression), - /*location*/ node), node); - } - /** - * Visits a method declaration of a class. - * - * This function will be called when one of the following conditions are met: - * - The node is marked as async - * - * @param node The method node. - */ - function visitMethodDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var method = ts.createMethod( - /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node); - // While we emit the source map for the node after skipping decorators and modifiers, - // we need to emit the comments for the original range. - ts.setCommentRange(method, node); - ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(method, node); - return method; - } - /** - * Visits a function declaration. - * - * This function will be called when one of the following conditions are met: - * - The node is marked async - * - * @param node The function node. - */ - function visitFunctionDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var func = ts.createFunctionDeclaration( - /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node); - ts.setOriginalNode(func, node); - return func; - } - /** - * Visits a function expression node. - * - * This function will be called when one of the following conditions are met: - * - The node is marked async - * - * @param node The function expression node. - */ - function visitFunctionExpression(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - if (ts.nodeIsMissing(node.body)) { - return ts.createOmittedExpression(); - } - var func = ts.createFunctionExpression( - /*modifiers*/ undefined, node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node); - ts.setOriginalNode(func, node); - return func; - } - /** - * @remarks - * This function will be called when one of the following conditions are met: - * - The node is marked async - */ - function visitArrowFunction(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, node.equalsGreaterThanToken, transformConciseBody(node), - /*location*/ node); - ts.setOriginalNode(func, node); - return func; - } - function transformFunctionBody(node) { - return transformAsyncFunctionBody(node); - } - function transformConciseBody(node) { - return transformAsyncFunctionBody(node); - } - function transformFunctionBodyWorker(body, start) { - if (start === void 0) { start = 0; } - var savedCurrentScope = currentScope; - currentScope = body; - startLexicalEnvironment(); - var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); - var visited = ts.updateBlock(body, statements); - var declarations = endLexicalEnvironment(); - currentScope = savedCurrentScope; - return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - } - function transformAsyncFunctionBody(node) { - var nodeType = node.original ? node.original.type : node.type; - var promiseConstructor = languageVersion < 2 /* ES2015 */ ? getPromiseConstructor(nodeType) : undefined; - var isArrowFunction = node.kind === 181 /* ArrowFunction */; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; - // An async function is emit as an outer function that calls an inner - // generator function. To preserve lexical bindings, we pass the current - // `this` and `arguments` objects to `__awaiter`. The generator function - // passed to `__awaiter` is executed inside of the callback to the - // promise constructor. - if (!isArrowFunction) { + function generateSetters(exportStarFunction, dependencyGroups) { + var setters = []; + for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { + var group = dependencyGroups_1[_i]; + // derive a unique name for parameter from the first named entry in the group + var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); + var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, /*ensureUseStrict*/ false, visitor); - statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); - var block = ts.createBlock(statements, /*location*/ node.body, /*multiLine*/ true); - // Minor optimization, emit `_super` helper to capture `super` access in an arrow. - // This step isn't needed if we eventually transform this to ES5. - if (languageVersion >= 2 /* ES2015 */) { - if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 8 /* EmitAdvancedSuperHelper */); - } - else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 4 /* EmitSuperHelper */); - } - } - return block; - } - else { - return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, /*forceBlockFunctionBody*/ true)); - } - } - function transformConciseBodyWorker(body, forceBlockFunctionBody) { - if (ts.isBlock(body)) { - return transformFunctionBodyWorker(body); - } - else { - startLexicalEnvironment(); - var visited = ts.visitNode(body, visitor, ts.isConciseBody); - var declarations = endLexicalEnvironment(); - var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - if (forceBlockFunctionBody && !ts.isBlock(merged)) { - return ts.createBlock([ - ts.createReturn(merged) - ]); - } - else { - return merged; - } - } - } - function getPromiseConstructor(type) { - var typeName = ts.getEntityNameFromTypeNode(type); - if (typeName && ts.isEntityName(typeName)) { - var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); - if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue - || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { - return typeName; - } - } - return undefined; - } - function enableSubstitutionForAsyncMethodsWithSuper() { - if ((enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) === 0) { - enabledSubstitutions |= 1 /* AsyncMethodsWithSuper */; - // We need to enable substitutions for call, property access, and element access - // if we need to rewrite super calls. - context.enableSubstitution(175 /* CallExpression */); - context.enableSubstitution(173 /* PropertyAccessExpression */); - context.enableSubstitution(174 /* ElementAccessExpression */); - // We need to be notified when entering and exiting declarations that bind super. - context.enableEmitNotification(222 /* ClassDeclaration */); - context.enableEmitNotification(148 /* MethodDeclaration */); - context.enableEmitNotification(150 /* GetAccessor */); - context.enableEmitNotification(151 /* SetAccessor */); - context.enableEmitNotification(149 /* Constructor */); - } - } - function substituteExpression(node) { - switch (node.kind) { - case 173 /* PropertyAccessExpression */: - return substitutePropertyAccessExpression(node); - case 174 /* ElementAccessExpression */: - return substituteElementAccessExpression(node); - case 175 /* CallExpression */: - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) { - return substituteCallExpression(node); - } - break; - } - return node; - } - function substitutePropertyAccessExpression(node) { - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); - } - } - return node; - } - function substituteElementAccessExpression(node) { - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); - } - } - return node; - } - function substituteCallExpression(node) { - var expression = node.expression; - if (ts.isSuperProperty(expression)) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - var argumentExpression = ts.isPropertyAccessExpression(expression) - ? substitutePropertyAccessExpression(expression) - : substituteElementAccessExpression(expression); - return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), - /*typeArguments*/ undefined, [ - ts.createThis() - ].concat(node.arguments)); - } - } - return node; - } - function isSuperContainer(node) { - var kind = node.kind; - return kind === 222 /* ClassDeclaration */ - || kind === 149 /* Constructor */ - || kind === 148 /* MethodDeclaration */ - || kind === 150 /* GetAccessor */ - || kind === 151 /* SetAccessor */; - } - /** - * Hook for node emit. - * - * @param node The node to emit. - * @param emit A callback used to emit the node in the printer. - */ - function onEmitNode(emitContext, node, emitCallback) { - var savedApplicableSubstitutions = applicableSubstitutions; - var savedCurrentSuperContainer = currentSuperContainer; - // If we need to support substitutions for `super` in an async method, - // we should track it here. - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && isSuperContainer(node)) { - currentSuperContainer = node; - } - previousOnEmitNode(emitContext, node, emitCallback); - applicableSubstitutions = savedApplicableSubstitutions; - currentSuperContainer = savedCurrentSuperContainer; - } - /** - * Hooks node substitutions. - * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. - */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); - } - return node; - } - function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { - if (flags & 4096 /* AsyncMethodWithSuperBinding */) { - return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), - /*typeArguments*/ undefined, [argumentExpression]), "value", location); - } - else { - return ts.createCall(ts.createIdentifier("_super"), - /*typeArguments*/ undefined, [argumentExpression], location); - } - } - function getSuperContainerAsyncMethodFlags() { - return currentSuperContainer !== undefined - && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */); - } - } - ts.transformES2017 = transformES2017; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformES2016(context) { - var hoistVariableDeclaration = context.hoistVariableDeclaration; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - return ts.visitEachChild(node, visitor, context); - } - function visitor(node) { - if (node.transformFlags & 64 /* ES2016 */) { - return visitorWorker(node); - } - else if (node.transformFlags & 128 /* ContainsES2016 */) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 188 /* BinaryExpression */: - return visitBinaryExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function visitBinaryExpression(node) { - // We are here because ES2016 adds support for the exponentiation operator. - var left = ts.visitNode(node.left, visitor, ts.isExpression); - var right = ts.visitNode(node.right, visitor, ts.isExpression); - if (node.operatorToken.kind === 61 /* AsteriskAsteriskEqualsToken */) { - var target = void 0; - var value = void 0; - if (ts.isElementAccessExpression(left)) { - // Transforms `a[x] **= b` into `(_a = a)[_x = x] = Math.pow(_a[_x], b)` - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, /*location*/ left.argumentExpression), - /*location*/ left); - value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, - /*location*/ left); - } - else if (ts.isPropertyAccessExpression(left)) { - // Transforms `a.x **= b` into `(_a = a).x = Math.pow(_a.x, b)` - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), left.name, - /*location*/ left); - value = ts.createPropertyAccess(expressionTemp, left.name, - /*location*/ left); - } - else { - // Transforms `a **= b` into `a = Math.pow(a, b)` - target = left; - value = left; - } - return ts.createAssignment(target, ts.createMathPow(value, right, /*location*/ node), /*location*/ node); - } - else if (node.operatorToken.kind === 39 /* AsteriskAsteriskToken */) { - // Transforms `a ** b` into `Math.pow(a, b)` - return ts.createMathPow(left, right, /*location*/ node); - } - else { - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - } - ts.transformES2016 = transformES2016; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - var ES2015SubstitutionFlags; - (function (ES2015SubstitutionFlags) { - /** Enables substitutions for captured `this` */ - ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; - /** Enables substitutions for block-scoped bindings. */ - ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; - })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); - var CopyDirection; - (function (CopyDirection) { - CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; - CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; - })(CopyDirection || (CopyDirection = {})); - var Jump; - (function (Jump) { - Jump[Jump["Break"] = 2] = "Break"; - Jump[Jump["Continue"] = 4] = "Continue"; - Jump[Jump["Return"] = 8] = "Return"; - })(Jump || (Jump = {})); - var SuperCaptureResult; - (function (SuperCaptureResult) { - /** - * A capture may have been added for calls to 'super', but - * the caller should emit subsequent statements normally. - */ - SuperCaptureResult[SuperCaptureResult["NoReplacement"] = 0] = "NoReplacement"; - /** - * A call to 'super()' got replaced with a capturing statement like: - * - * var _this = _super.call(...) || this; - * - * Callers should skip the current statement. - */ - SuperCaptureResult[SuperCaptureResult["ReplaceSuperCapture"] = 1] = "ReplaceSuperCapture"; - /** - * A call to 'super()' got replaced with a capturing statement like: - * - * return _super.call(...) || this; - * - * Callers should skip the current statement and avoid any returns of '_this'. - */ - SuperCaptureResult[SuperCaptureResult["ReplaceWithReturn"] = 2] = "ReplaceWithReturn"; - })(SuperCaptureResult || (SuperCaptureResult = {})); - function transformES2015(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var resolver = context.getEmitResolver(); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - var currentSourceFile; - var currentText; - var currentParent; - var currentNode; - var enclosingVariableStatement; - var enclosingBlockScopeContainer; - var enclosingBlockScopeContainerParent; - var enclosingFunction; - var enclosingNonArrowFunction; - var enclosingNonAsyncFunctionBody; - /** - * Used to track if we are emitting body of the converted loop - */ - var convertedLoopState; - /** - * Keeps track of whether substitutions have been enabled for specific cases. - * They are persisted between each SourceFile transformation and should not - * be reset. - */ - var enabledSubstitutions; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { + var entry = _b[_a]; + var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); + switch (entry.kind) { + case 231 /* ImportDeclaration */: + if (!entry.importClause) { + // 'import "..."' case + // module is imported only for side-effects, no emit required + break; + } + // fall-through + case 230 /* ImportEqualsDeclaration */: + ts.Debug.assert(importVariableName !== undefined); + // save import into the local + statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); + break; + case 237 /* ExportDeclaration */: + ts.Debug.assert(importVariableName !== undefined); + if (entry.exportClause) { + // export {a, b as c} from 'foo' + // + // emit as: + // + // exports_({ + // "a": _["a"], + // "c": _["b"] + // }); + var properties = []; + for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { + var e = _d[_c]; + properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); + } + statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, + /*typeArguments*/ undefined, [ts.createObjectLiteral(properties, /*location*/ undefined, /*multiline*/ true)]))); + } + else { + // export * from 'foo' + // + // emit as: + // + // exportStar(foo_1_1); + statements.push(ts.createStatement(ts.createCall(exportStarFunction, + /*typeArguments*/ undefined, [parameterName]))); + } + break; + } + } + setters.push(ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ts.createParameter(parameterName)], + /*type*/ undefined, ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true))); } - currentSourceFile = node; - currentText = node.text; - return ts.visitNode(node, visitor, ts.isSourceFile); - } - function visitor(node) { - return saveStateAndInvoke(node, dispatcher); + return ts.createArrayLiteral(setters, /*location*/ undefined, /*multiLine*/ true); } - function dispatcher(node) { - return convertedLoopState - ? visitorForConvertedLoopWorker(node) - : visitorWorker(node); + function visitSourceElement(node) { + switch (node.kind) { + case 231 /* ImportDeclaration */: + return visitImportDeclaration(node); + case 230 /* ImportEqualsDeclaration */: + return visitImportEqualsDeclaration(node); + case 237 /* ExportDeclaration */: + return visitExportDeclaration(node); + case 236 /* ExportAssignment */: + return visitExportAssignment(node); + default: + return visitNestedNode(node); + } } - function saveStateAndInvoke(node, f) { - var savedEnclosingFunction = enclosingFunction; - var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; - var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; - var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; - var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; - var savedEnclosingVariableStatement = enclosingVariableStatement; + function visitNestedNode(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; var savedCurrentParent = currentParent; var savedCurrentNode = currentNode; - var savedConvertedLoopState = convertedLoopState; - if (ts.nodeStartsNewLexicalEnvironment(node)) { - // don't treat content of nodes that start new lexical environment as part of converted loop copy - convertedLoopState = undefined; + var currentGrandparent = currentParent; + currentParent = currentNode; + currentNode = node; + if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { + enclosingBlockScopedContainer = currentParent; } - onBeforeVisitNode(node); - var visited = f(node); - convertedLoopState = savedConvertedLoopState; - enclosingFunction = savedEnclosingFunction; - enclosingNonArrowFunction = savedEnclosingNonArrowFunction; - enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; - enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; - enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; - enclosingVariableStatement = savedEnclosingVariableStatement; + var result = visitNestedNodeWorker(node); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; currentParent = savedCurrentParent; currentNode = savedCurrentNode; - return visited; - } - function shouldCheckNode(node) { - return (node.transformFlags & 256 /* ES2015 */) !== 0 || - node.kind === 215 /* LabeledStatement */ || - (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node)); - } - function visitorWorker(node) { - if (shouldCheckNode(node)) { - return visitJavaScript(node); - } - else if (node.transformFlags & 512 /* ContainsES2015 */) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } - } - function visitorForConvertedLoopWorker(node) { - var result; - if (shouldCheckNode(node)) { - result = visitJavaScript(node); - } - else { - result = visitNodesInConvertedLoop(node); - } return result; } - function visitNodesInConvertedLoop(node) { + function visitNestedNodeWorker(node) { switch (node.kind) { - case 212 /* ReturnStatement */: - return visitReturnStatement(node); case 201 /* VariableStatement */: return visitVariableStatement(node); - case 214 /* SwitchStatement */: - return visitSwitchStatement(node); - case 211 /* BreakStatement */: - case 210 /* ContinueStatement */: - return visitBreakOrContinueStatement(node); - case 98 /* ThisKeyword */: - return visitThisKeyword(node); - case 70 /* Identifier */: - return visitIdentifier(node); - default: - return ts.visitEachChild(node, visitor, context); - } - } - function visitJavaScript(node) { - switch (node.kind) { - case 83 /* ExportKeyword */: - return node; - case 222 /* ClassDeclaration */: - return visitClassDeclaration(node); - case 193 /* ClassExpression */: - return visitClassExpression(node); - case 143 /* Parameter */: - return visitParameter(node); case 221 /* FunctionDeclaration */: return visitFunctionDeclaration(node); - case 181 /* ArrowFunction */: - return visitArrowFunction(node); - case 180 /* FunctionExpression */: - return visitFunctionExpression(node); - case 219 /* VariableDeclaration */: - return visitVariableDeclaration(node); - case 70 /* Identifier */: - return visitIdentifier(node); - case 220 /* VariableDeclarationList */: - return visitVariableDeclarationList(node); - case 215 /* LabeledStatement */: - return visitLabeledStatement(node); - case 205 /* DoStatement */: - return visitDoStatement(node); - case 206 /* WhileStatement */: - return visitWhileStatement(node); + case 222 /* ClassDeclaration */: + return visitClassDeclaration(node); case 207 /* ForStatement */: return visitForStatement(node); case 208 /* ForInStatement */: return visitForInStatement(node); case 209 /* ForOfStatement */: return visitForOfStatement(node); + case 205 /* DoStatement */: + return visitDoStatement(node); + case 206 /* WhileStatement */: + return visitWhileStatement(node); + case 215 /* LabeledStatement */: + return visitLabeledStatement(node); + case 213 /* WithStatement */: + return visitWithStatement(node); + case 214 /* SwitchStatement */: + return visitSwitchStatement(node); + case 228 /* CaseBlock */: + return visitCaseBlock(node); + case 249 /* CaseClause */: + return visitCaseClause(node); + case 250 /* DefaultClause */: + return visitDefaultClause(node); + case 217 /* TryStatement */: + return visitTryStatement(node); + case 252 /* CatchClause */: + return visitCatchClause(node); + case 200 /* Block */: + return visitBlock(node); case 203 /* ExpressionStatement */: return visitExpressionStatement(node); - case 172 /* ObjectLiteralExpression */: - return visitObjectLiteralExpression(node); - case 254 /* ShorthandPropertyAssignment */: - return visitShorthandPropertyAssignment(node); - case 171 /* ArrayLiteralExpression */: - return visitArrayLiteralExpression(node); - case 175 /* CallExpression */: - return visitCallExpression(node); - case 176 /* NewExpression */: - return visitNewExpression(node); - case 179 /* ParenthesizedExpression */: - return visitParenthesizedExpression(node, /*needsDestructuringValue*/ true); - case 188 /* BinaryExpression */: - return visitBinaryExpression(node, /*needsDestructuringValue*/ true); - case 12 /* NoSubstitutionTemplateLiteral */: - case 13 /* TemplateHead */: - case 14 /* TemplateMiddle */: - case 15 /* TemplateTail */: - return visitTemplateLiteral(node); - case 177 /* TaggedTemplateExpression */: - return visitTaggedTemplateExpression(node); - case 190 /* TemplateExpression */: - return visitTemplateExpression(node); - case 191 /* YieldExpression */: - return visitYieldExpression(node); - case 96 /* SuperKeyword */: - return visitSuperKeyword(); - case 191 /* YieldExpression */: - // `yield` will be handled by a generators transform. - return ts.visitEachChild(node, visitor, context); - case 148 /* MethodDeclaration */: - return visitMethodDeclaration(node); - case 256 /* SourceFile */: - return visitSourceFileNode(node); - case 201 /* VariableStatement */: - return visitVariableStatement(node); default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function onBeforeVisitNode(node) { - if (currentNode) { - if (ts.isBlockScope(currentNode, currentParent)) { - enclosingBlockScopeContainer = currentNode; - enclosingBlockScopeContainerParent = currentParent; - } - if (ts.isFunctionLike(currentNode)) { - enclosingFunction = currentNode; - if (currentNode.kind !== 181 /* ArrowFunction */) { - enclosingNonArrowFunction = currentNode; - if (!(ts.getEmitFlags(currentNode) & 2097152 /* AsyncFunctionBody */)) { - enclosingNonAsyncFunctionBody = currentNode; - } - } - } - // keep track of the enclosing variable statement when in the context of - // variable statements, variable declarations, binding elements, and binding - // patterns. - switch (currentNode.kind) { - case 201 /* VariableStatement */: - enclosingVariableStatement = currentNode; - break; - case 220 /* VariableDeclarationList */: - case 219 /* VariableDeclaration */: - case 170 /* BindingElement */: - case 168 /* ObjectBindingPattern */: - case 169 /* ArrayBindingPattern */: - break; - default: - enclosingVariableStatement = undefined; - } - } - currentParent = currentNode; - currentNode = node; - } - function visitSwitchStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - // for switch statement allow only non-labeled break - convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; - var result = ts.visitEachChild(node, visitor, context); - convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; - return result; - } - function visitReturnStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - convertedLoopState.nonLocalJumps |= 8 /* Return */; - return ts.createReturn(ts.createObjectLiteral([ - ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression - ? ts.visitNode(node.expression, visitor, ts.isExpression) - : ts.createVoidZero()) - ])); - } - function visitThisKeyword(node) { - ts.Debug.assert(convertedLoopState !== undefined); - if (enclosingFunction && enclosingFunction.kind === 181 /* ArrowFunction */) { - // if the enclosing function is an ArrowFunction is then we use the captured 'this' keyword. - convertedLoopState.containsLexicalThis = true; - return node; - } - return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); - } - function visitIdentifier(node) { - if (!convertedLoopState) { - return node; - } - if (ts.isGeneratedIdentifier(node)) { - return node; - } - if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { - return node; - } - return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); - } - function visitBreakOrContinueStatement(node) { - if (convertedLoopState) { - // check if we can emit break/continue as is - // it is possible if either - // - break/continue is labeled and label is located inside the converted loop - // - break/continue is non-labeled and located in non-converted loop/switch statement - var jump = node.kind === 211 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - var labelMarker = void 0; - if (!node.label) { - if (node.kind === 211 /* BreakStatement */) { - convertedLoopState.nonLocalJumps |= 2 /* Break */; - labelMarker = "break"; - } - else { - convertedLoopState.nonLocalJumps |= 4 /* Continue */; - // note: return value is emitted only to simplify debugging, call to converted loop body does not do any dispatching on it. - labelMarker = "continue"; - } - } - else { - if (node.kind === 211 /* BreakStatement */) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); - } - } - var returnExpression = ts.createLiteral(labelMarker); - if (convertedLoopState.loopOutParameters.length) { - var outParams = convertedLoopState.loopOutParameters; - var expr = void 0; - for (var i = 0; i < outParams.length; i++) { - var copyExpr = copyOutParameter(outParams[i], 1 /* ToOutParameter */); - if (i === 0) { - expr = copyExpr; - } - else { - expr = ts.createBinary(expr, 25 /* CommaToken */, copyExpr); - } - } - returnExpression = ts.createBinary(expr, 25 /* CommaToken */, returnExpression); - } - return ts.createReturn(returnExpression); - } + return node; } - return ts.visitEachChild(node, visitor, context); } - /** - * Visits a ClassDeclaration and transforms it into a variable statement. - * - * @param node A ClassDeclaration node. - */ - function visitClassDeclaration(node) { - // [source] - // class C { } - // - // [output] - // var C = (function () { - // function C() { - // } - // return C; - // }()); - var modifierFlags = ts.getModifierFlags(node); - var isExported = modifierFlags & 1 /* Export */; - var isDefault = modifierFlags & 512 /* Default */; - // Add an `export` modifier to the statement if needed (for `--target es5 --module es6`) - var modifiers = isExported && !isDefault - ? ts.filter(node.modifiers, isExportModifier) - : undefined; - var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(getDeclarationName(node, /*allowComments*/ true), - /*type*/ undefined, transformClassLikeDeclarationToExpression(node)) - ]), - /*location*/ node); - ts.setOriginalNode(statement, node); - ts.startOnNewLine(statement); - // Add an `export default` statement for default exports (for `--target es5 --module es6`) - if (isExported && isDefault) { - var statements = [statement]; - statements.push(ts.createExportAssignment( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*isExportEquals*/ false, getDeclarationName(node, /*allowComments*/ false))); - return statements; + function visitImportDeclaration(node) { + if (node.importClause && ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } - return statement; - } - function isExportModifier(node) { - return node.kind === 83 /* ExportKeyword */; - } - /** - * Visits a ClassExpression and transforms it into an expression. - * - * @param node A ClassExpression node. - */ - function visitClassExpression(node) { - // [source] - // C = class { } - // - // [output] - // C = (function () { - // function class_1() { - // } - // return class_1; - // }()) - return transformClassLikeDeclarationToExpression(node); + return undefined; } - /** - * Transforms a ClassExpression or ClassDeclaration into an expression. - * - * @param node A ClassExpression or ClassDeclaration node. - */ - function transformClassLikeDeclarationToExpression(node) { - // [source] - // class C extends D { - // constructor() {} - // method() {} - // get prop() {} - // set prop(v) {} - // } - // - // [output] - // (function (_super) { - // __extends(C, _super); - // function C() { - // } - // C.prototype.method = function () {} - // Object.defineProperty(C.prototype, "prop", { - // get: function() {}, - // set: function() {}, - // enumerable: true, - // configurable: true - // }); - // return C; - // }(D)) - if (node.name) { - enableSubstitutionsForBlockScopedBindings(); - } - var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); - var classFunction = ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], - /*type*/ undefined, transformClassBody(node, extendsClauseElement)); - // To preserve the behavior of the old emitter, we explicitly indent - // the body of the function here if it was requested in an earlier - // transformation. - if (ts.getEmitFlags(node) & 524288 /* Indented */) { - ts.setEmitFlags(classFunction, 524288 /* Indented */); + function visitImportEqualsDeclaration(node) { + if (ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } - // "inner" and "outer" below are added purely to preserve source map locations from - // the old emitter - var inner = ts.createPartiallyEmittedExpression(classFunction); - inner.end = node.end; - ts.setEmitFlags(inner, 49152 /* NoComments */); - var outer = ts.createPartiallyEmittedExpression(inner); - outer.end = ts.skipTrivia(currentText, node.pos); - ts.setEmitFlags(outer, 49152 /* NoComments */); - return ts.createParen(ts.createCall(outer, - /*typeArguments*/ undefined, extendsClauseElement - ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] - : [])); - } - /** - * Transforms a ClassExpression or ClassDeclaration into a function body. - * - * @param node A ClassExpression or ClassDeclaration node. - * @param extendsClauseElement The expression for the class `extends` clause. - */ - function transformClassBody(node, extendsClauseElement) { - var statements = []; - startLexicalEnvironment(); - addExtendsHelperIfNeeded(statements, node, extendsClauseElement); - addConstructor(statements, node, extendsClauseElement); - addClassMembers(statements, node); - // Create a synthetic text range for the return statement. - var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17 /* CloseBraceToken */); - var localName = getLocalName(node); - // The following partially-emitted expression exists purely to align our sourcemap - // emit with the original emitter. - var outer = ts.createPartiallyEmittedExpression(localName); - outer.end = closingBraceLocation.end; - ts.setEmitFlags(outer, 49152 /* NoComments */); - var statement = ts.createReturn(outer); - statement.pos = closingBraceLocation.pos; - ts.setEmitFlags(statement, 49152 /* NoComments */ | 12288 /* NoTokenSourceMaps */); - statements.push(statement); - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, /*location*/ node.members), /*location*/ undefined, /*multiLine*/ true); - ts.setEmitFlags(block, 49152 /* NoComments */); - return block; + // NOTE(rbuckton): Do we support export import = require('') in System? + return undefined; } - /** - * Adds a call to the `__extends` helper if needed for a class. - * - * @param statements The statements of the class body function. - * @param node The ClassExpression or ClassDeclaration node. - * @param extendsClauseElement The expression for the class `extends` clause. - */ - function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { - if (extendsClauseElement) { - statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), - /*location*/ extendsClauseElement)); + function visitExportDeclaration(node) { + if (!node.moduleSpecifier) { + var statements = []; + ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); + return statements; } + return undefined; } - /** - * Adds the constructor of the class to a class body function. - * - * @param statements The statements of the class body function. - * @param node The ClassExpression or ClassDeclaration node. - * @param extendsClauseElement The expression for the class `extends` clause. - */ - function addConstructor(statements, node, extendsClauseElement) { - var constructor = ts.getFirstConstructorWithBody(node); - var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); - var constructorFunction = ts.createFunctionDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, getDeclarationName(node), - /*typeParameters*/ undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), - /*type*/ undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), - /*location*/ constructor || node); - if (extendsClauseElement) { - ts.setEmitFlags(constructorFunction, 256 /* CapturesThis */); + function visitExportSpecifier(specifier) { + recordExportName(specifier.name); + return createExportStatement(specifier.name, specifier.propertyName || specifier.name); + } + function visitExportAssignment(node) { + if (node.isExportEquals) { + // Elide `export=` as it is illegal in a SystemJS module. + return undefined; } - statements.push(constructorFunction); + return createExportStatement(ts.createLiteral("default"), node.expression); } /** - * Transforms the parameters of the constructor declaration of a class. + * Visits a variable statement, hoisting declared names to the top-level module body. + * Each declaration is rewritten into an assignment expression. * - * @param constructor The constructor for the class. - * @param hasSynthesizedSuper A value indicating whether the constructor starts with a - * synthesized `super` call. + * @param node The variable statement to visit. */ - function transformConstructorParameters(constructor, hasSynthesizedSuper) { - // If the TypeScript transformer needed to synthesize a constructor for property - // initializers, it would have also added a synthetic `...args` parameter and - // `super` call. - // If this is the case, we do not include the synthetic `...args` parameter and - // will instead use the `arguments` object in ES5/3. - if (constructor && !hasSynthesizedSuper) { - return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); + function visitVariableStatement(node) { + // hoist only non-block scoped declarations or block scoped declarations parented by source file + var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3 /* BlockScoped */) == 0) || + enclosingBlockScopedContainer.kind === 256 /* SourceFile */; + if (!shouldHoist) { + return node; } - return []; + var isExported = ts.hasModifier(node, 1 /* Export */); + var expressions = []; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, isExported); + if (visited) { + expressions.push(visited); + } + } + if (expressions.length) { + return ts.createStatement(ts.inlineExpressions(expressions), node); + } + return undefined; } /** - * Transforms the body of a constructor declaration of a class. + * Transforms a VariableDeclaration into one or more assignment expressions. * - * @param constructor The constructor for the class. - * @param node The node which contains the constructor. - * @param extendsClauseElement The expression for the class `extends` clause. - * @param hasSynthesizedSuper A value indicating whether the constructor starts with a - * synthesized `super` call. + * @param node The VariableDeclaration to transform. + * @param isExported A value used to indicate whether the containing statement was exported. */ - function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { - var statements = []; - startLexicalEnvironment(); - var statementOffset = -1; - if (hasSynthesizedSuper) { - // If a super call has already been synthesized, - // we're going to assume that we should just transform everything after that. - // The assumption is that no prior step in the pipeline has added any prologue directives. - statementOffset = 1; - } - else if (constructor) { - // Otherwise, try to emit all potential prologue directives first. - statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, /*ensureUseStrict*/ false, visitor); - } - if (constructor) { - addDefaultValueAssignmentsIfNeeded(statements, constructor); - addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); - ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); - } - var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); - // The last statement expression was replaced. Skip it. - if (superCaptureStatus === 1 /* ReplaceSuperCapture */ || superCaptureStatus === 2 /* ReplaceWithReturn */) { - statementOffset++; - } - if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); }); - ts.addRange(statements, body); + function transformVariable(node, isExported) { + // Hoist any bound names within the declaration. + hoistBindingElement(node, isExported); + if (!node.initializer) { + // If the variable has no initializer, ignore it. + return; } - // Return `_this` unless we're sure enough that it would be pointless to add a return statement. - // If there's a constructor that we can tell returns in enough places, then we *do not* want to add a return. - if (extendsClauseElement - && superCaptureStatus !== 2 /* ReplaceWithReturn */ - && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { - statements.push(ts.createReturn(ts.createIdentifier("_this"))); + var name = node.name; + if (ts.isIdentifier(name)) { + // If the variable has an IdentifierName, write out an assignment expression in its place. + return ts.createAssignment(name, node.initializer); } - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, - /*location*/ constructor ? constructor.body.statements : node.members), - /*location*/ constructor ? constructor.body : node, - /*multiLine*/ true); - if (!constructor) { - ts.setEmitFlags(block, 49152 /* NoComments */); + else { + // If the variable has a BindingPattern, flatten the variable into multiple assignment expressions. + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); } - return block; } /** - * We want to try to avoid emitting a return statement in certain cases if a user already returned something. - * It would generate obviously dead code, so we'll try to make things a little bit prettier - * by doing a minimal check on whether some common patterns always explicitly return. + * Visits a FunctionDeclaration, hoisting it to the outer module body function. + * + * @param node The function declaration to visit. */ - function isSufficientlyCoveredByReturnStatements(statement) { - // A return statement is considered covered. - if (statement.kind === 212 /* ReturnStatement */) { - return true; - } - else if (statement.kind === 204 /* IfStatement */) { - var ifStatement = statement; - if (ifStatement.elseStatement) { - return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && - isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); + function visitFunctionDeclaration(node) { + if (ts.hasModifier(node, 1 /* Export */)) { + // If the function is exported, ensure it has a name and rewrite the function without any export flags. + var name_31 = node.name || ts.getGeneratedNameForNode(node); + // Keep async modifier for ES2017 transformer + var isAsync = ts.hasModifier(node, 256 /* Async */); + var newNode = ts.createFunctionDeclaration( + /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name_31, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, node.body, + /*location*/ node); + // Record a declaration export in the outer module body function. + recordExportedFunctionDeclaration(node); + if (!ts.hasModifier(node, 512 /* Default */)) { + recordExportName(name_31); } + ts.setOriginalNode(newNode, node); + node = newNode; } - else if (statement.kind === 200 /* Block */) { - var lastStatement = ts.lastOrUndefined(statement.statements); - if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { - return true; + // Hoist the function declaration to the outer module body function. + hoistFunctionDeclaration(node); + return undefined; + } + function visitExpressionStatement(node) { + var originalNode = ts.getOriginalNode(node); + if ((originalNode.kind === 226 /* ModuleDeclaration */ || originalNode.kind === 225 /* EnumDeclaration */) && ts.hasModifier(originalNode, 1 /* Export */)) { + var name_32 = getDeclarationName(originalNode); + // We only need to hoistVariableDeclaration for EnumDeclaration + // as ModuleDeclaration is already hoisted when the transformer call visitVariableStatement + // which then call transformsVariable for each declaration in declarationList + if (originalNode.kind === 225 /* EnumDeclaration */) { + hoistVariableDeclaration(name_32); } + return [ + node, + createExportStatement(name_32, name_32) + ]; } - return false; + return node; } /** - * Declares a `_this` variable for derived classes and for when arrow functions capture `this`. + * Visits a ClassDeclaration, hoisting its name to the outer module body function. * - * @returns The new statement offset into the `statements` array. + * @param node The class declaration to visit. */ - function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { - // If this isn't a derived class, just capture 'this' for arrow functions if necessary. - if (!hasExtendsClause) { - if (ctor) { - addCaptureThisForNodeIfNeeded(statements, ctor); - } - return 0 /* NoReplacement */; - } - // We must be here because the user didn't write a constructor - // but we needed to call 'super(...args)' anyway as per 14.5.14 of the ES2016 spec. - // If that's the case we can just immediately return the result of a 'super()' call. - if (!ctor) { - statements.push(ts.createReturn(createDefaultSuperCallOrThis())); - return 2 /* ReplaceWithReturn */; - } - // The constructor exists, but it and the 'super()' call it contains were generated - // for something like property initializers. - // Create a captured '_this' variable and assume it will subsequently be used. - if (hasSynthesizedSuper) { - captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); - enableSubstitutionsForCapturedThis(); - return 1 /* ReplaceSuperCapture */; - } - // Most of the time, a 'super' call will be the first real statement in a constructor body. - // In these cases, we'd like to transform these into a *single* statement instead of a declaration - // followed by an assignment statement for '_this'. For instance, if we emitted without an initializer, - // we'd get: - // - // var _this; - // _this = _super.call(...) || this; - // - // instead of - // - // var _this = _super.call(...) || this; - // - // Additionally, if the 'super()' call is the last statement, we should just avoid capturing - // entirely and immediately return the result like so: - // - // return _super.call(...) || this; - // - var firstStatement; - var superCallExpression; - var ctorStatements = ctor.body.statements; - if (statementOffset < ctorStatements.length) { - firstStatement = ctorStatements[statementOffset]; - if (firstStatement.kind === 203 /* ExpressionStatement */ && ts.isSuperCall(firstStatement.expression)) { - var superCall = firstStatement.expression; - superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + function visitClassDeclaration(node) { + // Hoist the name of the class declaration to the outer module body function. + var name = getDeclarationName(node); + hoistVariableDeclaration(name); + var statements = []; + // Rewrite the class declaration into an assignment of a class expression. + statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression( + /*modifiers*/ undefined, node.name, + /*typeParameters*/ undefined, node.heritageClauses, node.members, + /*location*/ node)), + /*location*/ node)); + // If the class was exported, write a declaration export to the inner module body function. + if (ts.hasModifier(node, 1 /* Export */)) { + if (!ts.hasModifier(node, 512 /* Default */)) { + recordExportName(name); } + statements.push(createDeclarationExport(node)); } - // Return the result if we have an immediate super() call on the last statement. - if (superCallExpression && statementOffset === ctorStatements.length - 1) { - statements.push(ts.createReturn(superCallExpression)); - return 2 /* ReplaceWithReturn */; - } - // Perform the capture. - captureThisForNode(statements, ctor, superCallExpression, firstStatement); - // If we're actually replacing the original statement, we need to signal this to the caller. - if (superCallExpression) { - return 1 /* ReplaceSuperCapture */; - } - return 0 /* NoReplacement */; + return statements; } - function createDefaultSuperCallOrThis() { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); - var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); - return ts.createLogicalOr(superCall, actualThis); + function shouldHoistLoopInitializer(node) { + return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3 /* BlockScoped */) === 0; } /** - * Visits a parameter declaration. + * Visits the body of a ForStatement to hoist declarations. * - * @param node A ParameterDeclaration node. + * @param node The statement to visit. */ - function visitParameter(node) { - if (node.dotDotDotToken) { - // rest parameters are elided - return undefined; - } - else if (ts.isBindingPattern(node.name)) { - // Binding patterns are converted into a generated name and are - // evaluated inside the function body. - return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), - /*initializer*/ undefined, - /*location*/ node), - /*original*/ node); - } - else if (node.initializer) { - // Initializers are elided - return ts.setOriginalNode(ts.createParameter(node.name, - /*initializer*/ undefined, - /*location*/ node), - /*original*/ node); + function visitForStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var expressions = []; + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, /*isExported*/ false); + if (visited) { + expressions.push(visited); + } + } + ; + return ts.createFor(expressions.length + ? ts.inlineExpressions(expressions) + : ts.createSynthesizedNode(194 /* OmittedExpression */), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), + /*location*/ node); } else { - return node; + return ts.visitEachChild(node, visitNestedNode, context); } } /** - * Gets a value indicating whether we need to add default value assignments for a - * function-like node. + * Transforms and hoists the declaration list of a ForInStatement or ForOfStatement into an expression. * - * @param node A function-like node. + * @param node The decalaration list to transform. */ - function shouldAddDefaultValueAssignments(node) { - return (node.transformFlags & 262144 /* ContainsDefaultValueAssignments */) !== 0; + function transformForBinding(node) { + var firstDeclaration = ts.firstOrUndefined(node.declarations); + hoistBindingElement(firstDeclaration, /*isExported*/ false); + var name = firstDeclaration.name; + return ts.isIdentifier(name) + ? name + : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); } /** - * Adds statements to the body of a function-like node if it contains parameters with - * binding patterns or initializers. + * Visits the body of a ForInStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param node A function-like node. + * @param node The statement to visit. */ - function addDefaultValueAssignmentsIfNeeded(statements, node) { - if (!shouldAddDefaultValueAssignments(node)) { - return; + function visitForInStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + return updated; } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - var name_32 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; - // A rest parameter cannot have a binding pattern or an initializer, - // so let's just ignore it. - if (dotDotDotToken) { - continue; - } - if (ts.isBindingPattern(name_32)) { - addDefaultValueAssignmentForBindingPattern(statements, parameter, name_32, initializer); - } - else if (initializer) { - addDefaultValueAssignmentForInitializer(statements, parameter, name_32, initializer); - } + else { + return ts.visitEachChild(node, visitNestedNode, context); } } /** - * Adds statements to the body of a function-like node for parameters with binding patterns + * Visits the body of a ForOfStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param parameter The parameter for the function. - * @param name The name of the parameter. - * @param initializer The initializer for the parameter. + * @param node The statement to visit. */ - function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { - var temp = ts.getGeneratedNameForNode(parameter); - // In cases where a binding pattern is simply '[]' or '{}', - // we usually don't want to emit a var declaration; however, in the presence - // of an initializer, we must emit that expression to preserve side effects. - if (name.elements.length > 0) { - statements.push(ts.setEmitFlags(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608 /* CustomPrologue */)); + function visitForOfStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + return updated; } - else if (initializer) { - statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608 /* CustomPrologue */)); + else { + return ts.visitEachChild(node, visitNestedNode, context); } } /** - * Adds statements to the body of a function-like node for parameters with initializers. - * - * @param statements The statements for the new function body. - * @param parameter The parameter for the function. - * @param name The name of the parameter. - * @param initializer The initializer for the parameter. - */ - function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { - initializer = ts.visitNode(initializer, visitor, ts.isExpression); - var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ - ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536 /* NoSourceMap */), ts.setEmitFlags(initializer, 1536 /* NoSourceMap */ | ts.getEmitFlags(initializer)), - /*location*/ parameter)) - ], /*location*/ parameter), 32 /* SingleLine */ | 1024 /* NoTrailingSourceMap */ | 12288 /* NoTokenSourceMaps */), - /*elseStatement*/ undefined, - /*location*/ parameter); - statement.startsOnNewLine = true; - ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 8388608 /* CustomPrologue */); - statements.push(statement); - } - /** - * Gets a value indicating whether we need to add statements to handle a rest parameter. - * - * @param node A ParameterDeclaration node. - * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is - * part of a constructor declaration with a - * synthesized call to `super` - */ - function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { - return node && node.dotDotDotToken && node.name.kind === 70 /* Identifier */ && !inConstructorWithSynthesizedSuper; - } - /** - * Adds statements to the body of a function-like node if it contains a rest parameter. + * Visits the body of a DoStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param node A function-like node. - * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is - * part of a constructor declaration with a - * synthesized call to `super` + * @param node The statement to visit. */ - function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { - var parameter = ts.lastOrUndefined(node.parameters); - if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { - return; + function visitDoStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - // `declarationName` is the name of the local declaration for the parameter. - var declarationName = ts.getMutableClone(parameter.name); - ts.setEmitFlags(declarationName, 1536 /* NoSourceMap */); - // `expressionName` is the name of the parameter used in expressions. - var expressionName = ts.getSynthesizedClone(parameter.name); - var restIndex = node.parameters.length - 1; - var temp = ts.createLoopVariable(); - // var param = []; - statements.push(ts.setEmitFlags(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(declarationName, - /*type*/ undefined, ts.createArrayLiteral([])) - ]), - /*location*/ parameter), 8388608 /* CustomPrologue */)); - // for (var _i = restIndex; _i < arguments.length; _i++) { - // param[_i - restIndex] = arguments[_i]; - // } - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(temp, /*type*/ undefined, ts.createLiteral(restIndex)) - ], /*location*/ parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), - /*location*/ parameter), ts.createPostfixIncrement(temp, /*location*/ parameter), ts.createBlock([ - ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), - /*location*/ parameter)) - ])); - ts.setEmitFlags(forStatement, 8388608 /* CustomPrologue */); - ts.startOnNewLine(forStatement); - statements.push(forStatement); + return node; } /** - * Adds a statement to capture the `this` of a function declaration if it is needed. + * Visits the body of a WhileStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param node A node. + * @param node The statement to visit. */ - function addCaptureThisForNodeIfNeeded(statements, node) { - if (node.transformFlags & 65536 /* ContainsCapturedLexicalThis */ && node.kind !== 181 /* ArrowFunction */) { - captureThisForNode(statements, node, ts.createThis()); + function visitWhileStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - } - function captureThisForNode(statements, node, initializer, originalStatement) { - enableSubstitutionsForCapturedThis(); - var captureThisStatement = ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("_this", - /*type*/ undefined, initializer) - ]), originalStatement); - ts.setEmitFlags(captureThisStatement, 49152 /* NoComments */ | 8388608 /* CustomPrologue */); - ts.setSourceMapRange(captureThisStatement, node); - statements.push(captureThisStatement); + return node; } /** - * Adds statements to the class body function for a class to define the members of the - * class. + * Visits the body of a LabeledStatement to hoist declarations. * - * @param statements The statements for the class body function. - * @param node The ClassExpression or ClassDeclaration node. + * @param node The statement to visit. */ - function addClassMembers(statements, node) { - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - switch (member.kind) { - case 199 /* SemicolonClassElement */: - statements.push(transformSemicolonClassElementToStatement(member)); - break; - case 148 /* MethodDeclaration */: - statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); - break; - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); - } - break; - case 149 /* Constructor */: - // Constructors are handled in visitClassExpression/visitClassDeclaration - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; - } + function visitLabeledStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } + return node; } /** - * Transforms a SemicolonClassElement into a statement for a class body function. + * Visits the body of a WithStatement to hoist declarations. * - * @param member The SemicolonClassElement node. + * @param node The statement to visit. */ - function transformSemicolonClassElementToStatement(member) { - return ts.createEmptyStatement(/*location*/ member); + function visitWithStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; + } + return node; } /** - * Transforms a MethodDeclaration into a statement for a class body function. + * Visits the body of a SwitchStatement to hoist declarations. * - * @param receiver The receiver for the member. - * @param member The MethodDeclaration node. + * @param node The statement to visit. */ - function transformClassMethodDeclarationToStatement(receiver, member) { - var commentRange = ts.getCommentRange(member); - var sourceMapRange = ts.getSourceMapRange(member); - var func = transformFunctionLikeToExpression(member, /*location*/ member, /*name*/ undefined); - ts.setEmitFlags(func, 49152 /* NoComments */); - ts.setSourceMapRange(func, sourceMapRange); - var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), - /*location*/ member.name), func), - /*location*/ member); - ts.setOriginalNode(statement, member); - ts.setCommentRange(statement, commentRange); - // The location for the statement is used to emit comments only. - // No source map should be emitted for this statement to align with the - // old emitter. - ts.setEmitFlags(statement, 1536 /* NoSourceMap */); - return statement; + function visitSwitchStatement(node) { + var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); + if (caseBlock !== node.caseBlock) { + var updated = ts.getMutableClone(node); + updated.caseBlock = caseBlock; + return updated; + } + return node; } /** - * Transforms a set of related of get/set accessors into a statement for a class body function. + * Visits the body of a CaseBlock to hoist declarations. * - * @param receiver The receiver for the member. - * @param accessors The set of related get/set accessors. + * @param node The node to visit. */ - function transformAccessorsToStatement(receiver, accessors) { - var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, /*startsOnNewLine*/ false), - /*location*/ ts.getSourceMapRange(accessors.firstAccessor)); - // The location for the statement is used to emit source maps only. - // No comments should be emitted for this statement to align with the - // old emitter. - ts.setEmitFlags(statement, 49152 /* NoComments */); - return statement; + function visitCaseBlock(node) { + var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); + if (clauses !== node.clauses) { + var updated = ts.getMutableClone(node); + updated.clauses = clauses; + return updated; + } + return node; } /** - * Transforms a set of related get/set accessors into an expression for either a class - * body function or an ObjectLiteralExpression with computed properties. + * Visits the body of a CaseClause to hoist declarations. * - * @param receiver The receiver for the member. + * @param node The clause to visit. */ - function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { - var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; - // To align with source maps in the old emitter, the receiver and property name - // arguments are both mapped contiguously to the accessor name. - var target = ts.getMutableClone(receiver); - ts.setEmitFlags(target, 49152 /* NoComments */ | 1024 /* NoTrailingSourceMap */); - ts.setSourceMapRange(target, firstAccessor.name); - var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); - ts.setEmitFlags(propertyName, 49152 /* NoComments */ | 512 /* NoLeadingSourceMap */); - ts.setSourceMapRange(propertyName, firstAccessor.name); - var properties = []; - if (getAccessor) { - var getterFunction = transformFunctionLikeToExpression(getAccessor, /*location*/ undefined, /*name*/ undefined); - ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); - ts.setEmitFlags(getterFunction, 16384 /* NoLeadingComments */); - var getter = ts.createPropertyAssignment("get", getterFunction); - ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); - properties.push(getter); - } - if (setAccessor) { - var setterFunction = transformFunctionLikeToExpression(setAccessor, /*location*/ undefined, /*name*/ undefined); - ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); - ts.setEmitFlags(setterFunction, 16384 /* NoLeadingComments */); - var setter = ts.createPropertyAssignment("set", setterFunction); - ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); - properties.push(setter); - } - properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); - var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), - /*typeArguments*/ undefined, [ - target, - propertyName, - ts.createObjectLiteral(properties, /*location*/ undefined, /*multiLine*/ true) - ]); - if (startsOnNewLine) { - call.startsOnNewLine = true; + function visitCaseClause(node) { + var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); + if (statements !== node.statements) { + var updated = ts.getMutableClone(node); + updated.statements = statements; + return updated; } - return call; + return node; } /** - * Visits an ArrowFunction and transforms it into a FunctionExpression. + * Visits the body of a DefaultClause to hoist declarations. * - * @param node An ArrowFunction node. + * @param node The clause to visit. */ - function visitArrowFunction(node) { - if (node.transformFlags & 32768 /* ContainsLexicalThis */) { - enableSubstitutionsForCapturedThis(); - } - var func = transformFunctionLikeToExpression(node, /*location*/ node, /*name*/ undefined); - ts.setEmitFlags(func, 256 /* CapturesThis */); - return func; + function visitDefaultClause(node) { + return ts.visitEachChild(node, visitNestedNode, context); } /** - * Visits a FunctionExpression node. + * Visits the body of a TryStatement to hoist declarations. * - * @param node a FunctionExpression node. + * @param node The statement to visit. */ - function visitFunctionExpression(node) { - return transformFunctionLikeToExpression(node, /*location*/ node, node.name); + function visitTryStatement(node) { + return ts.visitEachChild(node, visitNestedNode, context); } /** - * Visits a FunctionDeclaration node. + * Visits the body of a CatchClause to hoist declarations. * - * @param node a FunctionDeclaration node. + * @param node The clause to visit. */ - function visitFunctionDeclaration(node) { - return ts.setOriginalNode(ts.createFunctionDeclaration( - /*decorators*/ undefined, node.modifiers, node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node), - /*original*/ node); + function visitCatchClause(node) { + var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); + if (block !== node.block) { + var updated = ts.getMutableClone(node); + updated.block = block; + return updated; + } + return node; } /** - * Transforms a function-like node into a FunctionExpression. + * Visits the body of a Block to hoist declarations. * - * @param node The function-like node to transform. - * @param location The source-map location for the new FunctionExpression. - * @param name The name of the new FunctionExpression. + * @param node The block to visit. */ - function transformFunctionLikeToExpression(node, location, name) { - var savedContainingNonArrowFunction = enclosingNonArrowFunction; - if (node.kind !== 181 /* ArrowFunction */) { - enclosingNonArrowFunction = node; + function visitBlock(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + // + // Substitutions + // + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256 /* SourceFile */) { + exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + exportFunctionForFile = undefined; + } + else { + previousOnEmitNode(emitContext, node, emitCallback); } - var expression = ts.setOriginalNode(ts.createFunctionExpression( - /*modifiers*/ undefined, node.asteriskToken, name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, saveStateAndInvoke(node, transformFunctionBody), location), - /*original*/ node); - enclosingNonArrowFunction = savedContainingNonArrowFunction; - return expression; } /** - * Transforms the body of a function-like node. + * Hooks node substitutions. * - * @param node A function-like node. + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. */ - function transformFunctionBody(node) { - var multiLine = false; // indicates whether the block *must* be emitted as multiple lines - var singleLine = false; // indicates whether the block *may* be emitted as a single line - var statementsLocation; - var closeBraceLocation; - var statements = []; - var body = node.body; - var statementOffset; - startLexicalEnvironment(); - if (ts.isBlock(body)) { - // ensureUseStrict is false because no new prologue-directive should be added. - // addPrologueDirectives will simply put already-existing directives at the beginning of the target statement-array - statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } - addCaptureThisForNodeIfNeeded(statements, node); - addDefaultValueAssignmentsIfNeeded(statements, node); - addRestParameterIfNeeded(statements, node, /*inConstructorWithSynthesizedSuper*/ false); - // If we added any generated statements, this must be a multi-line block. - if (!multiLine && statements.length > 0) { - multiLine = true; + return node; + } + /** + * Substitute the expression, if necessary. + * + * @param node The node to substitute. + */ + function substituteExpression(node) { + switch (node.kind) { + case 70 /* Identifier */: + return substituteExpressionIdentifier(node); + case 188 /* BinaryExpression */: + return substituteBinaryExpression(node); + case 186 /* PrefixUnaryExpression */: + case 187 /* PostfixUnaryExpression */: + return substituteUnaryExpression(node); } - if (ts.isBlock(body)) { - statementsLocation = body.statements; - ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); - // If the original body was a multi-line block, this must be a multi-line block. - if (!multiLine && body.multiLine) { - multiLine = true; + return node; + } + /** + * Substitution for identifiers exported at the top level of a module. + */ + function substituteExpressionIdentifier(node) { + var importDeclaration = resolver.getReferencedImportDeclaration(node); + if (importDeclaration) { + var importBinding = createImportBinding(importDeclaration); + if (importBinding) { + return importBinding; } } + return node; + } + function substituteBinaryExpression(node) { + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return substituteAssignmentExpression(node); + } + return node; + } + function substituteAssignmentExpression(node) { + ts.setEmitFlags(node, 128 /* NoSubstitution */); + var left = node.left; + switch (left.kind) { + case 70 /* Identifier */: + var exportDeclaration = resolver.getReferencedExportContainer(left); + if (exportDeclaration) { + return createExportExpression(left, node); + } + break; + case 172 /* ObjectLiteralExpression */: + case 171 /* ArrayLiteralExpression */: + if (hasExportedReferenceInDestructuringPattern(left)) { + return substituteDestructuring(node); + } + break; + } + return node; + } + function isExportedBinding(name) { + var container = resolver.getReferencedExportContainer(name); + return container && container.kind === 256 /* SourceFile */; + } + function hasExportedReferenceInDestructuringPattern(node) { + switch (node.kind) { + case 70 /* Identifier */: + return isExportedBinding(node); + case 172 /* ObjectLiteralExpression */: + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var property = _a[_i]; + if (hasExportedReferenceInObjectDestructuringElement(property)) { + return true; + } + } + break; + case 171 /* ArrayLiteralExpression */: + for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { + var element = _c[_b]; + if (hasExportedReferenceInArrayDestructuringElement(element)) { + return true; + } + } + break; + } + return false; + } + function hasExportedReferenceInObjectDestructuringElement(node) { + if (ts.isShorthandPropertyAssignment(node)) { + return isExportedBinding(node.name); + } + else if (ts.isPropertyAssignment(node)) { + return hasExportedReferenceInDestructuringElement(node.initializer); + } else { - ts.Debug.assert(node.kind === 181 /* ArrowFunction */); - // To align with the old emitter, we use a synthetic end position on the location - // for the statement list we synthesize when we down-level an arrow function with - // an expression function body. This prevents both comments and source maps from - // being emitted for the end position only. - statementsLocation = ts.moveRangeEnd(body, -1); - var equalsGreaterThanToken = node.equalsGreaterThanToken; - if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { - if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { - singleLine = true; + return false; + } + } + function hasExportedReferenceInArrayDestructuringElement(node) { + if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else { + return hasExportedReferenceInDestructuringElement(node); + } + } + function hasExportedReferenceInDestructuringElement(node) { + if (ts.isBinaryExpression(node)) { + var left = node.left; + return node.operatorToken.kind === 57 /* EqualsToken */ + && isDestructuringPattern(left) + && hasExportedReferenceInDestructuringPattern(left); + } + else if (ts.isIdentifier(node)) { + return isExportedBinding(node); + } + else if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else if (isDestructuringPattern(node)) { + return hasExportedReferenceInDestructuringPattern(node); + } + else { + return false; + } + } + function isDestructuringPattern(node) { + var kind = node.kind; + return kind === 70 /* Identifier */ + || kind === 172 /* ObjectLiteralExpression */ + || kind === 171 /* ArrayLiteralExpression */; + } + function substituteDestructuring(node) { + return ts.flattenDestructuringAssignment(context, node, /*needsValue*/ true, hoistVariableDeclaration); + } + function substituteUnaryExpression(node) { + var operand = node.operand; + var operator = node.operator; + var substitute = ts.isIdentifier(operand) && + (node.kind === 187 /* PostfixUnaryExpression */ || + (node.kind === 186 /* PrefixUnaryExpression */ && (operator === 42 /* PlusPlusToken */ || operator === 43 /* MinusMinusToken */))); + if (substitute) { + var exportDeclaration = resolver.getReferencedExportContainer(operand); + if (exportDeclaration) { + var expr = ts.createPrefix(node.operator, operand, node); + ts.setEmitFlags(expr, 128 /* NoSubstitution */); + var call = createExportExpression(operand, expr); + if (node.kind === 186 /* PrefixUnaryExpression */) { + return call; } else { - multiLine = true; + // export function returns the value that was passes as the second argument + // however for postfix unary expressions result value should be the value before modification. + // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' + return operator === 42 /* PlusPlusToken */ + ? ts.createSubtract(call, ts.createLiteral(1)) + : ts.createAdd(call, ts.createLiteral(1)); } } - var expression = ts.visitNode(body, visitor, ts.isExpression); - var returnStatement = ts.createReturn(expression, /*location*/ body); - ts.setEmitFlags(returnStatement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 32768 /* NoTrailingComments */); - statements.push(returnStatement); - // To align with the source map emit for the old emitter, we set a custom - // source map location for the close brace. - closeBraceLocation = body; } - var lexicalEnvironment = endLexicalEnvironment(); - ts.addRange(statements, lexicalEnvironment); - // If we added any final generated statements, this must be a multi-line block - if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { - multiLine = true; + return node; + } + /** + * Gets a name to use for a DeclarationStatement. + * @param node The declaration statement. + */ + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function addExportStarFunction(statements, localNames) { + var exportStarFunction = ts.createUniqueName("exportStar"); + var m = ts.createIdentifier("m"); + var n = ts.createIdentifier("n"); + var exports = ts.createIdentifier("exports"); + var condition = ts.createStrictInequality(n, ts.createLiteral("default")); + if (localNames) { + condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + } + statements.push(ts.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, exportStarFunction, + /*typeParameters*/ undefined, [ts.createParameter(m)], + /*type*/ undefined, ts.createBlock([ + ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exports, + /*type*/ undefined, ts.createObjectLiteral([])) + ])), + ts.createForIn(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(n, /*type*/ undefined) + ]), m, ts.createBlock([ + ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32 /* SingleLine */) + ])), + ts.createStatement(ts.createCall(exportFunctionForFile, + /*typeArguments*/ undefined, [exports])) + ], + /*location*/ undefined, + /*multiline*/ true))); + return exportStarFunction; + } + /** + * Creates a call to the current file's export function to export a value. + * @param name The bound name of the export. + * @param value The exported value. + */ + function createExportExpression(name, value) { + var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; + return ts.createCall(exportFunctionForFile, /*typeArguments*/ undefined, [exportName, value]); + } + /** + * Creates a call to the current file's export function to export a value. + * @param name The bound name of the export. + * @param value The exported value. + */ + function createExportStatement(name, value) { + return ts.createStatement(createExportExpression(name, value)); + } + /** + * Creates a call to the current file's export function to export a declaration. + * @param node The declaration to export. + */ + function createDeclarationExport(node) { + var declarationName = getDeclarationName(node); + var exportName = ts.hasModifier(node, 512 /* Default */) ? ts.createLiteral("default") : declarationName; + return createExportStatement(exportName, declarationName); + } + function createImportBinding(importDeclaration) { + var importAlias; + var name; + if (ts.isImportClause(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); + name = ts.createIdentifier("default"); + } + else if (ts.isImportSpecifier(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); + name = importDeclaration.propertyName || importDeclaration.name; + } + else { + return undefined; + } + return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); + } + function collectDependencyGroups(externalImports) { + var groupIndices = ts.createMap(); + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var externalImport = externalImports[i]; + var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); + var text = externalModuleName.text; + if (ts.hasProperty(groupIndices, text)) { + // deduplicate/group entries in dependency list by the dependency name + var groupIndex = groupIndices[text]; + dependencyGroups[groupIndex].externalImports.push(externalImport); + continue; + } + else { + groupIndices[text] = dependencyGroups.length; + dependencyGroups.push({ + name: externalModuleName, + externalImports: [externalImport] + }); + } + } + return dependencyGroups; + } + function getNameOfDependencyGroup(dependencyGroup) { + return dependencyGroup.name; + } + function recordExportName(name) { + if (!exportedLocalNames) { + exportedLocalNames = []; + } + exportedLocalNames.push(name); + } + function recordExportedFunctionDeclaration(node) { + if (!exportedFunctionDeclarations) { + exportedFunctionDeclarations = []; + } + exportedFunctionDeclarations.push(createDeclarationExport(node)); + } + function hoistBindingElement(node, isExported) { + if (ts.isOmittedExpression(node)) { + return; } - var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); - if (!multiLine && singleLine) { - ts.setEmitFlags(block, 32 /* SingleLine */); + var name = node.name; + if (ts.isIdentifier(name)) { + hoistVariableDeclaration(ts.getSynthesizedClone(name)); + if (isExported) { + recordExportName(name); + } } - if (closeBraceLocation) { - ts.setTokenSourceMapRange(block, 17 /* CloseBraceToken */, closeBraceLocation); + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); } - ts.setOriginalNode(block, node.body); - return block; } + function hoistExportedBindingElement(node) { + hoistBindingElement(node, /*isExported*/ true); + } + function hoistNonExportedBindingElement(node) { + hoistBindingElement(node, /*isExported*/ false); + } + function updateSourceFile(node, statements, nodeEmitFlags) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + ts.setEmitFlags(updated, nodeEmitFlags); + return updated; + } + } + ts.transformSystemModule = transformSystemModule; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformModule(context) { + var transformModuleDelegates = ts.createMap((_a = {}, + _a[ts.ModuleKind.None] = transformCommonJSModule, + _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, + _a[ts.ModuleKind.AMD] = transformAMDModule, + _a[ts.ModuleKind.UMD] = transformUMDModule, + _a)); + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70 /* Identifier */); + context.enableSubstitution(188 /* BinaryExpression */); + context.enableSubstitution(186 /* PrefixUnaryExpression */); + context.enableSubstitution(187 /* PostfixUnaryExpression */); + context.enableSubstitution(254 /* ShorthandPropertyAssignment */); + context.enableEmitNotification(256 /* SourceFile */); + var currentSourceFile; + var externalImports; + var exportSpecifiers; + var exportEquals; + var bindingNameExportSpecifiersMap; + // Subset of exportSpecifiers that is a binding-name. + // This is to reduce amount of memory we have to keep around even after we done with module-transformer + var bindingNameExportSpecifiersForFileMap = ts.createMap(); + var hasExportStarsToExportValues; + return transformSourceFile; /** - * Visits an ExpressionStatement that contains a destructuring assignment. + * Transforms the module aspects of a SourceFile. * - * @param node An ExpressionStatement node. + * @param node The SourceFile node. */ - function visitExpressionStatement(node) { - // If we are here it is most likely because our expression is a destructuring assignment. - switch (node.expression.kind) { - case 179 /* ParenthesizedExpression */: - return ts.updateStatement(node, visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ false)); - case 188 /* BinaryExpression */: - return ts.updateStatement(node, visitBinaryExpression(node.expression, /*needsDestructuringValue*/ false)); + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - return ts.visitEachChild(node, visitor, context); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + // Collect information about the external module. + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + // Perform the transformation. + var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; + var updated = transformModule_1(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + return updated; + } + return node; + var _a; } /** - * Visits a ParenthesizedExpression that may contain a destructuring assignment. + * Transforms a SourceFile into a CommonJS module. * - * @param node A ParenthesizedExpression node. - * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs - * of a destructuring assignment. + * @param node The SourceFile node. */ - function visitParenthesizedExpression(node, needsDestructuringValue) { - // If we are here it is most likely because our expression is a destructuring assignment. - if (needsDestructuringValue) { - switch (node.expression.kind) { - case 179 /* ParenthesizedExpression */: - return ts.createParen(visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ true), - /*location*/ node); - case 188 /* BinaryExpression */: - return ts.createParen(visitBinaryExpression(node.expression, /*needsDestructuringValue*/ true), - /*location*/ node); - } + function transformCommonJSModule(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, /*emitAsReturn*/ false); + var updated = updateSourceFile(node, statements); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(updated, 2 /* EmitExportStar */ | ts.getEmitFlags(node)); } - return ts.visitEachChild(node, visitor, context); + return updated; } /** - * Visits a BinaryExpression that contains a destructuring assignment. + * Transforms a SourceFile into an AMD module. * - * @param node A BinaryExpression node. - * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs - * of a destructuring assignment. + * @param node The SourceFile node. */ - function visitBinaryExpression(node, needsDestructuringValue) { - // If we are here it is because this is a destructuring assignment. - ts.Debug.assert(ts.isDestructuringAssignment(node)); - return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); - } - function visitVariableStatement(node) { - if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3 /* BlockScoped */) == 0) { - // we are inside a converted loop - hoist variable declarations - var assignments = void 0; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); - if (decl.initializer) { - var assignment = void 0; - if (ts.isBindingPattern(decl.name)) { - assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, /*nameSubstitution*/ undefined, visitor); - } - else { - assignment = ts.createBinary(decl.name, 57 /* EqualsToken */, ts.visitNode(decl.initializer, visitor, ts.isExpression)); - } - (assignments || (assignments = [])).push(assignment); - } - } - if (assignments) { - return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25 /* CommaToken */, acc); }), node); - } - else { - // none of declarations has initializer - the entire variable statement can be deleted - return undefined; - } - } - return ts.visitEachChild(node, visitor, context); + function transformAMDModule(node) { + var define = ts.createIdentifier("define"); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + return transformAsynchronousModule(node, define, moduleName, /*includeNonAmdDependencies*/ true); } /** - * Visits a VariableDeclarationList that is block scoped (e.g. `let` or `const`). + * Transforms a SourceFile into a UMD module. * - * @param node A VariableDeclarationList node. + * @param node The SourceFile node. */ - function visitVariableDeclarationList(node) { - if (node.flags & 3 /* BlockScoped */) { - enableSubstitutionsForBlockScopedBindings(); - } - var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 /* Let */ - ? visitVariableDeclarationInLetDeclarationList - : visitVariableDeclaration)); - var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ node); - ts.setOriginalNode(declarationList, node); - ts.setCommentRange(declarationList, node); - if (node.transformFlags & 8388608 /* ContainsBindingPattern */ - && (ts.isBindingPattern(node.declarations[0].name) - || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { - // If the first or last declaration is a binding pattern, we need to modify - // the source map range for the declaration list. - var firstDeclaration = ts.firstOrUndefined(declarations); - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); - } - return declarationList; + function transformUMDModule(node) { + var define = ts.createIdentifier("define"); + ts.setEmitFlags(define, 16 /* UMDDefine */); + return transformAsynchronousModule(node, define, /*moduleName*/ undefined, /*includeNonAmdDependencies*/ false); } /** - * Gets a value indicating whether we should emit an explicit initializer for a variable - * declaration in a `let` declaration list. + * Transforms a SourceFile into an AMD or UMD module. * - * @param node A VariableDeclaration node. + * @param node The SourceFile node. + * @param define The expression used to define the module. + * @param moduleName An expression for the module name, if available. + * @param includeNonAmdDependencies A value indicating whether to incldue any non-AMD dependencies. */ - function shouldEmitExplicitInitializerForLetDeclaration(node) { - // Nested let bindings might need to be initialized explicitly to preserve - // ES6 semantic: + function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { + // An AMD define function has the following shape: // - // { let x = 1; } - // { let x; } // x here should be undefined. not 1 + // define(id?, dependencies?, factory); // - // Top level bindings never collide with anything and thus don't require - // explicit initialization. As for nested let bindings there are two cases: + // This has the shape of the following: // - // - Nested let bindings that were not renamed definitely should be - // initialized explicitly: + // define(name, ["module1", "module2"], function (module1Alias) { ... } // - // { let x = 1; } - // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } + // The location of the alias in the parameter list in the factory function needs to + // match the position of the module name in the dependency list. // - // Without explicit initialization code in /*1*/ can be executed even if - // some-condition is evaluated to false. + // To ensure this is true in cases of modules with no aliases, e.g.: // - // - Renaming introduces fresh name that should not collide with any - // existing names, however renamed bindings sometimes also should be - // explicitly initialized. One particular case: non-captured binding - // declared inside loop body (but not in loop initializer): + // import "module" // - // let x; - // for (;;) { - // let x; - // } + // or // - // In downlevel codegen inner 'x' will be renamed so it won't collide - // with outer 'x' however it will should be reset on every iteration as - // if it was declared anew. + // /// // - // * Why non-captured binding? - // - Because if loop contains block scoped binding captured in some - // function then loop body will be rewritten to have a fresh scope - // on every iteration so everything will just work. + // we need to add modules without alias names to the end of the dependencies list + var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; + // Create an updated SourceFile: // - // * Why loop initializer is excluded? - // - Since we've introduced a fresh name it already will be undefined. - var flags = resolver.getNodeCheckFlags(node); - var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; - var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) - || (isCapturedInFunction - && isDeclaredInLoop - && ts.isBlock(enclosingBlockScopeContainer) - && ts.isIterationStatement(enclosingBlockScopeContainerParent, /*lookInLabeledStatements*/ false)); - var emitExplicitInitializer = !emittedAsTopLevel - && enclosingBlockScopeContainer.kind !== 208 /* ForInStatement */ - && enclosingBlockScopeContainer.kind !== 209 /* ForOfStatement */ - && (!resolver.isDeclarationWithCollidingName(node) - || (isDeclaredInLoop - && !isCapturedInFunction - && !ts.isIterationStatement(enclosingBlockScopeContainer, /*lookInLabeledStatements*/ false))); - return emitExplicitInitializer; + // define(moduleName?, ["module1", "module2"], function ... + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(define, + /*typeArguments*/ undefined, (moduleName ? [moduleName] : []).concat([ + // Add the dependency array argument: + // + // ["require", "exports", module1", "module2", ...] + ts.createArrayLiteral([ + ts.createLiteral("require"), + ts.createLiteral("exports") + ].concat(aliasedModuleNames, unaliasedModuleNames)), + // Add the module body function argument: + // + // function (require, exports, module1, module2) ... + ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ + ts.createParameter("require"), + ts.createParameter("exports") + ].concat(importAliasNames), + /*type*/ undefined, transformAsynchronousModuleBody(node)) + ]))) + ]); } /** - * Visits a VariableDeclaration in a `let` declaration list. + * Transforms a SourceFile into an AMD or UMD module body. * - * @param node A VariableDeclaration node. + * @param node The SourceFile node. */ - function visitVariableDeclarationInLetDeclarationList(node) { - // For binding pattern names that lack initializers there is no point to emit - // explicit initializer since downlevel codegen for destructuring will fail - // in the absence of initializer so all binding elements will say uninitialized - var name = node.name; - if (ts.isBindingPattern(name)) { - return visitVariableDeclaration(node); + function transformAsynchronousModuleBody(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); + // Visit each statement of the module body. + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + // End the lexical environment for the module body + // and merge any new lexical declarations. + ts.addRange(statements, endLexicalEnvironment()); + // Append the 'export =' statement if provided. + addExportEqualsIfNeeded(statements, /*emitAsReturn*/ true); + var body = ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true); + if (hasExportStarsToExportValues) { + // If we have any `export * from ...` declarations + // we need to inform the emitter to add the __export helper. + ts.setEmitFlags(body, 2 /* EmitExportStar */); } - if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { - var clone_5 = ts.getMutableClone(node); - clone_5.initializer = ts.createVoidZero(); - return clone_5; + return body; + } + function addExportEqualsIfNeeded(statements, emitAsReturn) { + if (exportEquals) { + if (emitAsReturn) { + var statement = ts.createReturn(exportEquals.expression, + /*location*/ exportEquals); + ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 49152 /* NoComments */); + statements.push(statement); + } + else { + var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), + /*location*/ exportEquals); + ts.setEmitFlags(statement, 49152 /* NoComments */); + statements.push(statement); + } } - return ts.visitEachChild(node, visitor, context); } /** - * Visits a VariableDeclaration node with a binding pattern. + * Visits a node at the top level of the source file. * - * @param node A VariableDeclaration node. + * @param node The node. */ - function visitVariableDeclaration(node) { - // If we are here it is because the name contains a binding pattern. - if (ts.isBindingPattern(node.name)) { - var recordTempVariablesInLine = !enclosingVariableStatement - || !ts.hasModifier(enclosingVariableStatement, 1 /* Export */); - return ts.flattenVariableDestructuring(node, /*value*/ undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); - } - return ts.visitEachChild(node, visitor, context); - } - function visitLabeledStatement(node) { - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = ts.createMap(); - } - convertedLoopState.labels[node.label.text] = node.label.text; - } - var result; - if (ts.isIterationStatement(node.statement, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node.statement)) { - result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); - } - else { - result = ts.visitEachChild(node, visitor, context); - } - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; + function visitor(node) { + switch (node.kind) { + case 231 /* ImportDeclaration */: + return visitImportDeclaration(node); + case 230 /* ImportEqualsDeclaration */: + return visitImportEqualsDeclaration(node); + case 237 /* ExportDeclaration */: + return visitExportDeclaration(node); + case 236 /* ExportAssignment */: + return visitExportAssignment(node); + case 201 /* VariableStatement */: + return visitVariableStatement(node); + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 222 /* ClassDeclaration */: + return visitClassDeclaration(node); + case 203 /* ExpressionStatement */: + return visitExpressionStatement(node); + default: + // This visitor does not descend into the tree, as export/import statements + // are only transformed at the top level of a file. + return node; } - return result; - } - function visitDoStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitWhileStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForInStatement(node) { - return convertIterationStatementBodyIfNecessary(node); } /** - * Visits a ForOfStatement and converts it into a compatible ForStatement. + * Visits an ImportDeclaration node. * - * @param node A ForOfStatement. + * @param node The ImportDeclaration node. */ - function visitForOfStatement(node) { - return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); - } - function convertForOfToFor(node, convertedLoopBodyStatements) { - // The following ES6 code: - // - // for (let v of expr) { } - // - // should be emitted as - // - // for (var _i = 0, _a = expr; _i < _a.length; _i++) { - // var v = _a[_i]; - // } - // - // where _a and _i are temps emitted to capture the RHS and the counter, - // respectively. - // When the left hand side is an expression instead of a let declaration, - // the "let v" is not emitted. - // When the left hand side is a let/const, the v is renamed if there is - // another v in scope. - // Note that all assignments to the LHS are emitted in the body, including - // all destructuring. - // Note also that because an extra statement is needed to assign to the LHS, - // for-of bodies are always emitted as blocks. - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - var initializer = node.initializer; + function visitImportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } var statements = []; - // In the case where the user wrote an identifier as the RHS, like this: - // - // for (let v of arr) { } - // - // we don't want to emit a temporary variable for the RHS, just use it directly. - var counter = ts.createLoopVariable(); - var rhsReference = expression.kind === 70 /* Identifier */ - ? ts.createUniqueName(expression.text) - : ts.createTempVariable(/*recordTempVariable*/ undefined); - // Initialize LHS - // var v = _a[_i]; - if (ts.isVariableDeclarationList(initializer)) { - if (initializer.flags & 3 /* BlockScoped */) { - enableSubstitutionsForBlockScopedBindings(); + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (moduleKind !== ts.ModuleKind.AMD) { + if (!node.importClause) { + // import "mod"; + statements.push(ts.createStatement(createRequireCall(node), + /*location*/ node)); + } + else { + var variables = []; + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + // import * as n from "mod"; + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), + /*type*/ undefined, createRequireCall(node))); + } + else { + // import d from "mod"; + // import { x, y } from "mod"; + // import d, { x, y } from "mod"; + // import d, * as n from "mod"; + variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), + /*type*/ undefined, createRequireCall(node))); + if (namespaceDeclaration && ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), + /*type*/ undefined, ts.getGeneratedNameForNode(node))); + } + } + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createConstDeclarationList(variables), + /*location*/ node)); + } + } + else if (namespaceDeclaration && ts.isDefaultImport(node)) { + // import d, * as n from "mod"; + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), + /*type*/ undefined, ts.getGeneratedNameForNode(node), + /*location*/ node) + ]))); + } + addExportImportAssignments(statements, node); + return ts.singleOrMany(statements); + } + function visitImportEqualsDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } + // Set emitFlags on the name of the importEqualsDeclaration + // This is so the printer will not substitute the identifier + ts.setEmitFlags(node.name, 128 /* NoSubstitution */); + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + if (ts.hasModifier(node, 1 /* Export */)) { + statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), + /*location*/ node)); } - var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); - if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { - // This works whether the declaration is a var, let, or const. - // It will use rhsIterationValue _a[_i] as the initializer. - var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); - var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ initializer); - ts.setOriginalNode(declarationList, initializer); - // Adjust the source map range for the first declaration to align with the old - // emitter. - var firstDeclaration = declarations[0]; - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + else { statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, declarationList)); + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), + /*type*/ undefined, createRequireCall(node)) + ], + /*location*/ undefined, + /*flags*/ languageVersion >= 2 /* ES2015 */ ? 2 /* Const */ : 0 /* None */), + /*location*/ node)); } - else { - // The following call does not include the initializer, so we have - // to emit it separately. + } + else { + if (ts.hasModifier(node, 1 /* Export */)) { + statements.push(ts.createStatement(createExportAssignment(node.name, node.name), + /*location*/ node)); + } + } + addExportImportAssignments(statements, node); + return statements; + } + function visitExportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } + var generatedName = ts.getGeneratedNameForNode(node); + if (node.exportClause) { + var statements = []; + // export { x, y } from "mod"; + if (moduleKind !== ts.ModuleKind.AMD) { statements.push(ts.createVariableStatement( /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(/*recordTempVariable*/ undefined), - /*type*/ undefined, ts.createElementAccess(rhsReference, counter)) - ], /*location*/ ts.moveRangePos(initializer, -1)), - /*location*/ ts.moveRangeEnd(initializer, -1))); + ts.createVariableDeclaration(generatedName, + /*type*/ undefined, createRequireCall(node)) + ]), + /*location*/ node)); + } + for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); + statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), + /*location*/ specifier)); } + return ts.singleOrMany(statements); } else { - // Initializer is an expression. Emit the expression in the body, so that it's - // evaluated on every iteration. - var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); - if (ts.isDestructuringAssignment(assignment)) { - // This is a destructuring pattern, so we flatten the destructuring instead. - statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, - /*needsValue*/ false, hoistVariableDeclaration, visitor))); + // export * from "mod"; + return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), + /*typeArguments*/ undefined, [ + moduleKind !== ts.ModuleKind.AMD + ? createRequireCall(node) + : generatedName + ]), + /*location*/ node); + } + } + function visitExportAssignment(node) { + if (node.isExportEquals) { + // Elide as `export=` is handled in addExportEqualsIfNeeded + return undefined; + } + var statements = []; + addExportDefault(statements, node.expression, /*location*/ node); + return statements; + } + function addExportDefault(statements, expression, location) { + tryAddExportDefaultCompat(statements); + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); + } + function tryAddExportDefaultCompat(statements) { + var original = ts.getOriginalNode(currentSourceFile); + ts.Debug.assert(original.kind === 256 /* SourceFile */); + if (!original.symbol.exports["___esModule"]) { + if (languageVersion === 0 /* ES3 */) { + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); } else { - // Currently there is not way to check that assignment is binary expression of destructing assignment - // so we have to cast never type to binaryExpression - assignment.end = initializer.end; - statements.push(ts.createStatement(assignment, /*location*/ ts.moveRangeEnd(initializer, -1))); + statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), + /*typeArguments*/ undefined, [ + ts.createIdentifier("exports"), + ts.createLiteral("__esModule"), + ts.createObjectLiteral([ + ts.createPropertyAssignment("value", ts.createLiteral(true)) + ]) + ]))); } } - var bodyLocation; - var statementsLocation; - if (convertedLoopBodyStatements) { - ts.addRange(statements, convertedLoopBodyStatements); + } + function addExportImportAssignments(statements, node) { + if (ts.isImportEqualsDeclaration(node)) { + addExportMemberAssignments(statements, node.name); } else { - var statement = ts.visitNode(node.statement, visitor, ts.isStatement); - if (ts.isBlock(statement)) { - ts.addRange(statements, statement.statements); - bodyLocation = statement; - statementsLocation = statement.statements; + var names = ts.reduceEachChild(node, collectExportMembers, []); + for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { + var name_33 = names_1[_i]; + addExportMemberAssignments(statements, name_33); } - else { - statements.push(statement); + } + } + function collectExportMembers(names, node) { + if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { + var name_34 = node.name; + if (ts.isIdentifier(name_34)) { + names.push(name_34); } } - // The old emitter does not emit source maps for the expression - ts.setEmitFlags(expression, 1536 /* NoSourceMap */ | ts.getEmitFlags(expression)); - // The old emitter does not emit source maps for the block. - // We add the location to preserve comments. - var body = ts.createBlock(ts.createNodeArray(statements, /*location*/ statementsLocation), - /*location*/ bodyLocation); - ts.setEmitFlags(body, 1536 /* NoSourceMap */ | 12288 /* NoTokenSourceMaps */); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(counter, /*type*/ undefined, ts.createLiteral(0), /*location*/ ts.moveRangePos(node.expression, -1)), - ts.createVariableDeclaration(rhsReference, /*type*/ undefined, expression, /*location*/ node.expression) - ], /*location*/ node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), - /*location*/ node.expression), ts.createPostfixIncrement(counter, /*location*/ node.expression), body, - /*location*/ node); - // Disable trailing source maps for the OpenParenToken to align source map emit with the old emitter. - ts.setEmitFlags(forStatement, 8192 /* NoTokenTrailingSourceMaps */); - return forStatement; + return ts.reduceEachChild(node, collectExportMembers, names); } - /** - * Visits an ObjectLiteralExpression with computed propety names. - * - * @param node An ObjectLiteralExpression node. - */ - function visitObjectLiteralExpression(node) { - // We are here because a ComputedPropertyName was used somewhere in the expression. - var properties = node.properties; - var numProperties = properties.length; - // Find the first computed property. - // Everything until that point can be emitted as part of the initial object literal. - var numInitialProperties = numProperties; - for (var i = 0; i < numProperties; i++) { - var property = properties[i]; - if (property.transformFlags & 16777216 /* ContainsYield */ - || property.name.kind === 141 /* ComputedPropertyName */) { - numInitialProperties = i; - break; + function addExportMemberAssignments(statements, name) { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), + /*location*/ specifier.name))); } } - ts.Debug.assert(numInitialProperties !== numProperties); - // For computed properties, we need to create a unique handle to the object - // literal so we can modify it without risking internal assignments tainting the object. - var temp = ts.createTempVariable(hoistVariableDeclaration); - // Write out the first non-computed properties, then emit the rest through indexing on the temp variable. - var expressions = []; - var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), - /*location*/ undefined, node.multiLine), 524288 /* Indented */)); - if (node.multiLine) { - assignment.startsOnNewLine = true; + } + function addExportMemberAssignment(statements, node) { + if (ts.hasModifier(node, 512 /* Default */)) { + addExportDefault(statements, getDeclarationName(node), /*location*/ node); + } + else { + statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144 /* LocalName */), /*location*/ node)); } - expressions.push(assignment); - addObjectLiteralMembers(expressions, node, temp, numInitialProperties); - // We need to clone the temporary identifier so that we can write it on a - // new line - expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); } - function shouldConvertIterationStatementBody(node) { - return (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; + function visitVariableStatement(node) { + // If the variable is for a generated declaration, + // we should maintain it and just strip off the 'export' modifier if necessary. + var originalKind = ts.getOriginalNode(node).kind; + if (originalKind === 226 /* ModuleDeclaration */ || + originalKind === 225 /* EnumDeclaration */ || + originalKind === 222 /* ClassDeclaration */) { + if (!ts.hasModifier(node, 1 /* Export */)) { + return node; + } + return ts.setOriginalNode(ts.createVariableStatement( + /*modifiers*/ undefined, node.declarationList), node); + } + var resultStatements = []; + // If we're exporting these variables, then these just become assignments to 'exports.blah'. + // We only want to emit assignments for variables with initializers. + if (ts.hasModifier(node, 1 /* Export */)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length > 0) { + var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); + resultStatements.push(inlineAssignments); + } + } + else { + resultStatements.push(node); + } + // While we might not have been exported here, each variable might have been exported + // later on in an export specifier (e.g. `export {foo as blah, bar}`). + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + addExportMemberAssignmentsForBindingName(resultStatements, decl.name); + } + return resultStatements; } /** - * Records constituents of name for the given variable to be hoisted in the outer scope. + * Creates appropriate assignments for each binding identifier that is exported in an export specifier, + * and inserts it into 'resultStatements'. */ - function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(node.name); - function visit(node) { - if (node.kind === 70 /* Identifier */) { - state.hoistedLocalVariables.push(node); + function addExportMemberAssignmentsForBindingName(resultStatements, name) { + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + addExportMemberAssignmentsForBindingName(resultStatements, element.name); + } } - else { - for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - visit(element.name); - } + } + else { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + var sourceFileId = ts.getOriginalNodeId(currentSourceFile); + if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { + bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); } + bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; + addExportMemberAssignments(resultStatements, name); } } } - function convertIterationStatementBodyIfNecessary(node, convert) { - if (!shouldConvertIterationStatementBody(node)) { - var saveAllowedNonLabeledJumps = void 0; - if (convertedLoopState) { - // we get here if we are trying to emit normal loop loop inside converted loop - // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; - } - var result = convert ? convert(node, /*convertedLoopBodyStatements*/ undefined) : ts.visitEachChild(node, visitor, context); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - return result; + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); } - var functionName = ts.createUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 207 /* ForStatement */: - case 208 /* ForInStatement */: - case 209 /* ForOfStatement */: - var initializer = node.initializer; - if (initializer && initializer.kind === 220 /* VariableDeclarationList */) { - loopInitializer = initializer; - } - break; + else { + return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); } - // variables that will be passed to the loop as parameters - var loopParameters = []; - // variables declared in the loop initializer that will be changed inside the loop - var loopOutParameters = []; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3 /* BlockScoped */)) { - for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); - } + } + function visitFunctionDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1 /* Export */)) { + // Keep async modifier for ES2017 transformer + var isAsync = ts.hasModifier(node, 256 /* Async */); + statements.push(ts.setOriginalNode(ts.createFunctionDeclaration( + /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, node.body, + /*location*/ node), + /*original*/ node)); + addExportMemberAssignment(statements, node); } - var outerConvertedLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (outerConvertedLoopState) { - // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. - // if outer converted loop has already accumulated some state - pass it through - if (outerConvertedLoopState.argumentsName) { - // outer loop has already used 'arguments' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; - } - if (outerConvertedLoopState.thisName) { - // outer loop has already used 'this' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.thisName = outerConvertedLoopState.thisName; - } - if (outerConvertedLoopState.hoistedLocalVariables) { - // we've already collected some non-block scoped variable declarations in enclosing loop - // use the same storage in nested loop - convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; - } + else { + statements.push(node); } - var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); - var currentState = convertedLoopState; - convertedLoopState = outerConvertedLoopState; - if (loopOutParameters.length) { - var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; - copyOutParameters(loopOutParameters, 1 /* ToOutParameter */, statements_3); - loopBody = ts.createBlock(statements_3, /*location*/ undefined, /*multiline*/ true); + if (node.name) { + addExportMemberAssignments(statements, node.name); } - if (!ts.isBlock(loopBody)) { - loopBody = ts.createBlock([loopBody], /*location*/ undefined, /*multiline*/ true); + return ts.singleOrMany(statements); + } + function visitClassDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1 /* Export */)) { + statements.push(ts.setOriginalNode(ts.createClassDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, name, + /*typeParameters*/ undefined, node.heritageClauses, node.members, + /*location*/ node), + /*original*/ node)); + addExportMemberAssignment(statements, node); } - var isAsyncBlockContainingAwait = enclosingNonArrowFunction - && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152 /* AsyncFunctionBody */) !== 0 - && (node.statement.transformFlags & 16777216 /* ContainsYield */) !== 0; - var loopBodyFlags = 0; - if (currentState.containsLexicalThis) { - loopBodyFlags |= 256 /* CapturesThis */; + else { + statements.push(node); } - if (isAsyncBlockContainingAwait) { - loopBodyFlags |= 2097152 /* AsyncFunctionBody */; + // Decorators end up creating a series of assignment expressions which overwrite + // the local binding that we export, so we need to defer from exporting decorated classes + // until the decoration assignments take place. We do this when visiting expression-statements. + if (node.name && !(node.decorators && node.decorators.length)) { + addExportMemberAssignments(statements, node.name); } - var convertedLoopVariable = ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(functionName, - /*type*/ undefined, ts.setEmitFlags(ts.createFunctionExpression( - /*modifiers*/ undefined, isAsyncBlockContainingAwait ? ts.createToken(38 /* AsteriskToken */) : undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, loopParameters, - /*type*/ undefined, loopBody), loopBodyFlags)) - ])); - var statements = [convertedLoopVariable]; - var extraVariableDeclarations; - // propagate state from the inner loop to the outer loop if necessary - if (currentState.argumentsName) { - // if alias for arguments is set - if (outerConvertedLoopState) { - // pass it to outer converted loop - outerConvertedLoopState.argumentsName = currentState.argumentsName; - } - else { - // this is top level converted loop and we need to create an alias for 'arguments' object - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, - /*type*/ undefined, ts.createIdentifier("arguments"))); - } + return ts.singleOrMany(statements); + } + function visitExpressionStatement(node) { + var original = ts.getOriginalNode(node); + var origKind = original.kind; + if (origKind === 225 /* EnumDeclaration */ || origKind === 226 /* ModuleDeclaration */) { + return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); } - if (currentState.thisName) { - // if alias for this is set - if (outerConvertedLoopState) { - // pass it to outer converted loop - outerConvertedLoopState.thisName = currentState.thisName; - } - else { - // this is top level converted loop so we need to create an alias for 'this' here - // NOTE: - // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. - // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, - /*type*/ undefined, ts.createIdentifier("this"))); + else if (origKind === 222 /* ClassDeclaration */) { + // The decorated assignment for a class name may need to be transformed. + var classDecl = original; + if (classDecl.name) { + var statements = [node]; + addExportMemberAssignments(statements, classDecl.name); + return statements; } } - if (currentState.hoistedLocalVariables) { - // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later - if (outerConvertedLoopState) { - // pass them to outer converted loop - outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; - } - else { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - // hoist collected variable declarations - for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { - var identifier = _c[_b]; - extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); - } - } + return node; + } + function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { + var statements = [node]; + // Preserve old behavior for enums in which a variable statement is emitted after the body itself. + if (ts.hasModifier(original, 1 /* Export */) && + original.kind === 225 /* EnumDeclaration */ && + ts.isFirstDeclarationOfKind(original, 225 /* EnumDeclaration */)) { + addVarForExportedEnumOrNamespaceDeclaration(statements, original); } - // add extra variables to hold out parameters if necessary - if (loopOutParameters.length) { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { - var outParam = loopOutParameters_1[_d]; - extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); + addExportMemberAssignments(statements, original.name); + return statements; + } + /** + * Adds a trailing VariableStatement for an enum or module declaration. + */ + function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { + var transformedStatement = ts.createVariableStatement( + /*modifiers*/ undefined, [ts.createVariableDeclaration(getDeclarationName(node), + /*type*/ undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], + /*location*/ node); + ts.setEmitFlags(transformedStatement, 49152 /* NoComments */); + statements.push(transformedStatement); + } + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256 /* SourceFile */) { + bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + bindingNameExportSpecifiersMap = undefined; + } + else { + previousOnEmitNode(emitContext, node, emitCallback); + } + } + /** + * Hooks node substitutions. + * + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. + */ + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); + } + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); + } + return node; + } + function substituteShorthandPropertyAssignment(node) { + var name = node.name; + var exportedOrImportedName = substituteExpressionIdentifier(name); + if (exportedOrImportedName !== name) { + // A shorthand property with an assignment initializer is probably part of a + // destructuring assignment + if (node.objectAssignmentInitializer) { + var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); + return ts.createPropertyAssignment(name, initializer, /*location*/ node); } + return ts.createPropertyAssignment(name, exportedOrImportedName, /*location*/ node); } - // create variable statement to hold all introduced variable declarations - if (extraVariableDeclarations) { - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); - } - var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); - var loop; - if (convert) { - loop = convert(node, convertedLoopBodyStatements); - } - else { - loop = ts.getMutableClone(node); - // clean statement part - loop.statement = undefined; - // visit childnodes to transform initializer/condition/incrementor parts - loop = ts.visitEachChild(loop, visitor, context); - // set loop statement - loop.statement = ts.createBlock(convertedLoopBodyStatements, - /*location*/ undefined, - /*multiline*/ true); - // reset and re-aggregate the transform flags - loop.transformFlags = 0; - ts.aggregateTransformFlags(loop); + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 70 /* Identifier */: + return substituteExpressionIdentifier(node); + case 188 /* BinaryExpression */: + return substituteBinaryExpression(node); + case 187 /* PostfixUnaryExpression */: + case 186 /* PrefixUnaryExpression */: + return substituteUnaryExpression(node); } - statements.push(currentParent.kind === 215 /* LabeledStatement */ - ? ts.createLabel(currentParent.label, loop) - : loop); - return statements; + return node; } - function copyOutParameter(outParam, copyDirection) { - var source = copyDirection === 0 /* ToOriginal */ ? outParam.outParamName : outParam.originalName; - var target = copyDirection === 0 /* ToOriginal */ ? outParam.originalName : outParam.outParamName; - return ts.createBinary(target, 57 /* EqualsToken */, source); + function substituteExpressionIdentifier(node) { + return trySubstituteExportedName(node) + || trySubstituteImportedName(node) + || node; } - function copyOutParameters(outParams, copyDirection, statements) { - for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { - var outParam = outParams_1[_i]; - statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); + function substituteBinaryExpression(node) { + var left = node.left; + // If the left-hand-side of the binaryExpression is an identifier and its is export through export Specifier + if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { + ts.setEmitFlags(node, 128 /* NoSubstitution */); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, node); + } + return nestedExportAssignment; + } } + return node; } - function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { - var outerConvertedLoopState = convertedLoopState; - var statements = []; - // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop - // simple loops are emitted as just 'loop()'; - // NOTE: if loop uses only 'continue' it still will be emitted as simple loop - var isSimpleLoop = !(state.nonLocalJumps & ~4 /* Continue */) && - !state.labeledNonLocalBreaks && - !state.labeledNonLocalContinues; - var call = ts.createCall(loopFunctionExpressionName, /*typeArguments*/ undefined, ts.map(parameters, function (p) { return p.name; })); - var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38 /* AsteriskToken */), call) : call; - if (isSimpleLoop) { - statements.push(ts.createStatement(callResult)); - copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); - } - else { - var loopResultName = ts.createUniqueName("state"); - var stateVariable = ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, /*type*/ undefined, callResult)])); - statements.push(stateVariable); - copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); - if (state.nonLocalJumps & 8 /* Return */) { - var returnStatement = void 0; - if (outerConvertedLoopState) { - outerConvertedLoopState.nonLocalJumps |= 8 /* Return */; - returnStatement = ts.createReturn(loopResultName); + function substituteUnaryExpression(node) { + // Because how the compiler only parse plusplus and minusminus to be either prefixUnaryExpression or postFixUnaryExpression depended on where they are + // We don't need to check that the operator has SyntaxKind.plusplus or SyntaxKind.minusminus + var operator = node.operator; + var operand = node.operand; + if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { + ts.setEmitFlags(node, 128 /* NoSubstitution */); + var transformedUnaryExpression = void 0; + if (node.kind === 187 /* PostfixUnaryExpression */) { + transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 /* PlusPlusToken */ ? 58 /* PlusEqualsToken */ : 59 /* MinusEqualsToken */), ts.createLiteral(1), + /*location*/ node); + // We have to set no substitution flag here to prevent visit the binary expression and substitute it again as we will preform all necessary substitution in here + ts.setEmitFlags(transformedUnaryExpression, 128 /* NoSubstitution */); } - else { - returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, transformedUnaryExpression || node); } - statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("object")), returnStatement)); - } - if (state.nonLocalJumps & 2 /* Break */) { - statements.push(ts.createIf(ts.createBinary(loopResultName, 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("break")), ts.createBreak())); - } - if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { - var caseClauses = []; - processLabeledJumps(state.labeledNonLocalBreaks, /*isBreak*/ true, loopResultName, outerConvertedLoopState, caseClauses); - processLabeledJumps(state.labeledNonLocalContinues, /*isBreak*/ false, loopResultName, outerConvertedLoopState, caseClauses); - statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + return nestedExportAssignment; } } - return statements; + return node; } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = ts.createMap(); + function trySubstituteExportedName(node) { + var emitFlags = ts.getEmitFlags(node); + if ((emitFlags & 262144 /* LocalName */) === 0) { + var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072 /* ExportName */) !== 0); + if (container) { + if (container.kind === 256 /* SourceFile */) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), + /*location*/ node); + } } - state.labeledNonLocalBreaks[labelText] = labelMarker; } - else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = ts.createMap(); + return undefined; + } + function trySubstituteImportedName(node) { + if ((ts.getEmitFlags(node) & 262144 /* LocalName */) === 0) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (ts.isImportClause(declaration)) { + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), + /*location*/ node); + } + else if (ts.isImportSpecifier(declaration)) { + var name_35 = declaration.propertyName || declaration.name; + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_35), + /*location*/ node); + } } - state.labeledNonLocalContinues[labelText] = labelMarker; } + return undefined; } - function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { - if (!table) { - return; + function getModuleMemberName(name) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), name, + /*location*/ name); + } + function createRequireCall(importNode) { + var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var args = []; + if (ts.isDefined(moduleName)) { + args.push(moduleName); } - for (var labelText in table) { - var labelMarker = table[labelText]; - var statements = []; - // if there are no outer converted loop or outer label in question is located inside outer converted loop - // then emit labeled break\continue - // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - var label = ts.createIdentifier(labelText); - statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); + return ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, args); + } + function createExportStatement(name, value, location) { + var statement = ts.createStatement(createExportAssignment(name, value)); + statement.startsOnNewLine = true; + if (location) { + ts.setSourceMapRange(statement, location); + } + return statement; + } + function createExportAssignment(name, value) { + return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); + } + function collectAsynchronousDependencies(node, includeNonAmdDependencies) { + // names of modules with corresponding parameter in the factory function + var aliasedModuleNames = []; + // names of modules with no corresponding parameters in factory function + var unaliasedModuleNames = []; + // names of the parameters in the factory function; these + // parameters need to match the indexes of the corresponding + // module names in aliasedModuleNames. + var importAliasNames = []; + // Fill in amd-dependency tags + for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { + var amdDependency = _a[_i]; + if (amdDependency.name) { + aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + importAliasNames.push(ts.createParameter(amdDependency.name)); } else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - statements.push(ts.createReturn(loopResultName)); + unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); } - caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } - } - function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { - var name = decl.name; - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - processLoopVariableDeclaration(element, loopParameters, loopOutParameters); - } + for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { + var importNode = externalImports_3[_b]; + // Find the name of the external module + var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + // Find the name of the module alias, if there is one + var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); + if (includeNonAmdDependencies && importAliasName) { + // Set emitFlags on the name of the classDeclaration + // This is so that when printer will not substitute the identifier + ts.setEmitFlags(importAliasName, 128 /* NoSubstitution */); + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(ts.createParameter(importAliasName)); } - } - else { - loopParameters.push(ts.createParameter(name)); - if (resolver.getNodeCheckFlags(decl) & 2097152 /* NeedsLoopOutParameter */) { - var outParamName = ts.createUniqueName("out_" + name.text); - loopOutParameters.push({ originalName: name, outParamName: outParamName }); + else { + unaliasedModuleNames.push(externalModuleName); } } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + } + function updateSourceFile(node, statements) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + return updated; } + var _a; + } + ts.transformModule = transformModule; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + var entities = createEntitiesMap(); + function transformJsx(context) { + var compilerOptions = context.getCompilerOptions(); + var currentSourceFile; + return transformSourceFile; /** - * Adds the members of an object literal to an array of expressions. + * Transform JSX-specific syntax in a SourceFile. * - * @param expressions An array of expressions. - * @param node An ObjectLiteralExpression node. - * @param receiver The receiver for members of the ObjectLiteralExpression. - * @param numInitialNonComputedProperties The number of initial properties without - * computed property names. + * @param node A SourceFile node. */ - function addObjectLiteralMembers(expressions, node, receiver, start) { - var properties = node.properties; - var numProperties = properties.length; - for (var i = start; i < numProperties; i++) { - var property = properties[i]; - switch (property.kind) { - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property === accessors.firstAccessor) { - expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); - } - break; - case 253 /* PropertyAssignment */: - expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 254 /* ShorthandPropertyAssignment */: - expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 148 /* MethodDeclaration */: - expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; - } + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } + currentSourceFile = node; + node = ts.visitEachChild(node, visitor, context); + currentSourceFile = undefined; + return node; } - /** - * Transforms a PropertyAssignment node into an expression. - * - * @param node The ObjectLiteralExpression that contains the PropertyAssignment. - * @param property The PropertyAssignment node. - * @param receiver The receiver for the assignment. - */ - function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), - /*location*/ property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitor(node) { + if (node.transformFlags & 4 /* Jsx */) { + return visitorWorker(node); + } + else if (node.transformFlags & 8 /* ContainsJsx */) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; } - return expression; } - /** - * Transforms a ShorthandPropertyAssignment node into an expression. - * - * @param node The ObjectLiteralExpression that contains the ShorthandPropertyAssignment. - * @param property The ShorthandPropertyAssignment node. - * @param receiver The receiver for the assignment. - */ - function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), - /*location*/ property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitorWorker(node) { + switch (node.kind) { + case 242 /* JsxElement */: + return visitJsxElement(node, /*isChild*/ false); + case 243 /* JsxSelfClosingElement */: + return visitJsxSelfClosingElement(node, /*isChild*/ false); + case 248 /* JsxExpression */: + return visitJsxExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return undefined; } - return expression; } - /** - * Transforms a MethodDeclaration of an ObjectLiteralExpression into an expression. - * - * @param node The ObjectLiteralExpression that contains the MethodDeclaration. - * @param method The MethodDeclaration node. - * @param receiver The receiver for the assignment. - */ - function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, /*location*/ method, /*name*/ undefined), - /*location*/ method); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function transformJsxChildToExpression(node) { + switch (node.kind) { + case 10 /* JsxText */: + return visitJsxText(node); + case 248 /* JsxExpression */: + return visitJsxExpression(node); + case 242 /* JsxElement */: + return visitJsxElement(node, /*isChild*/ true); + case 243 /* JsxSelfClosingElement */: + return visitJsxSelfClosingElement(node, /*isChild*/ true); + default: + ts.Debug.failBadSyntaxKind(node); + return undefined; } - return expression; } - /** - * Visits a MethodDeclaration of an ObjectLiteralExpression and transforms it into a - * PropertyAssignment. - * - * @param node A MethodDeclaration node. - */ - function visitMethodDeclaration(node) { - // We should only get here for methods on an object literal with regular identifier names. - // Methods on classes are handled in visitClassDeclaration/visitClassExpression. - // Methods with computed property names are handled in visitObjectLiteralExpression. - ts.Debug.assert(!ts.isComputedPropertyName(node.name)); - var functionExpression = transformFunctionLikeToExpression(node, /*location*/ ts.moveRangePos(node, -1), /*name*/ undefined); - ts.setEmitFlags(functionExpression, 16384 /* NoLeadingComments */ | ts.getEmitFlags(functionExpression)); - return ts.createPropertyAssignment(node.name, functionExpression, - /*location*/ node); + function visitJsxElement(node, isChild) { + return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, /*location*/ node); } - /** - * Visits a ShorthandPropertyAssignment and transforms it into a PropertyAssignment. - * - * @param node A ShorthandPropertyAssignment node. - */ - function visitShorthandPropertyAssignment(node) { - return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), - /*location*/ node); + function visitJsxSelfClosingElement(node, isChild) { + return visitJsxOpeningLikeElement(node, /*children*/ undefined, isChild, /*location*/ node); } - /** - * Visits a YieldExpression node. - * - * @param node A YieldExpression node. - */ - function visitYieldExpression(node) { - // `yield` expressions are transformed using the generators transformer. - return ts.visitEachChild(node, visitor, context); + function visitJsxOpeningLikeElement(node, children, isChild, location) { + var tagName = getTagName(node); + var objectProperties; + var attrs = node.attributes; + if (attrs.length === 0) { + // When there are no attributes, React wants "null" + objectProperties = ts.createNull(); + } + else { + // Map spans of JsxAttribute nodes into object literals and spans + // of JsxSpreadAttribute nodes into expressions. + var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread + ? ts.map(attrs, transformJsxSpreadAttributeToExpression) + : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); + if (ts.isJsxSpreadAttribute(attrs[0])) { + // We must always emit at least one object literal before a spread + // argument. + segments.unshift(ts.createObjectLiteral()); + } + // Either emit one big object literal (no spread attribs), or + // a call to the __assign helper. + objectProperties = ts.singleOrUndefined(segments) + || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); + } + var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); + if (isChild) { + ts.startOnNewLine(element); + } + return element; } - /** - * Visits an ArrayLiteralExpression that contains a spread element. - * - * @param node An ArrayLiteralExpression node. + function transformJsxSpreadAttributeToExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); + } + function transformJsxAttributeToObjectLiteralElement(node) { + var name = getAttributeName(node); + var expression = transformJsxAttributeInitializer(node.initializer); + return ts.createPropertyAssignment(name, expression); + } + function transformJsxAttributeInitializer(node) { + if (node === undefined) { + return ts.createLiteral(true); + } + else if (node.kind === 9 /* StringLiteral */) { + var decoded = tryDecodeEntities(node.text); + return decoded ? ts.createLiteral(decoded, /*location*/ node) : node; + } + else if (node.kind === 248 /* JsxExpression */) { + return visitJsxExpression(node); + } + else { + ts.Debug.failBadSyntaxKind(node); + } + } + function visitJsxText(node) { + var text = ts.getTextOfNode(node, /*includeTrivia*/ true); + var parts; + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + // JSX trims whitespace at the end and beginning of lines, except that the + // start/end of a tag is considered a start/end of a line only if that line is + // on the same line as the closing tag. See examples in + // tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + if (!parts) { + parts = []; + } + // We do not escape the string here as that is handled by the printer + // when it emits the literal. We do, however, need to decode JSX entities. + parts.push(ts.createLiteral(decodeEntities(part))); + } + firstNonWhitespace = -1; + } + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } + } + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + if (!parts) { + parts = []; + } + // We do not escape the string here as that is handled by the printer + // when it emits the literal. We do, however, need to decode JSX entities. + parts.push(ts.createLiteral(decodeEntities(part))); + } + if (parts) { + return ts.reduceLeft(parts, aggregateJsxTextParts); + } + return undefined; + } + /** + * Aggregates two expressions by interpolating them with a whitespace literal. */ - function visitArrayLiteralExpression(node) { - // We are here because we contain a SpreadElementExpression. - return transformAndSpreadElements(node.elements, /*needsUniqueCopy*/ true, node.multiLine, /*hasTrailingComma*/ node.elements.hasTrailingComma); + function aggregateJsxTextParts(left, right) { + return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); } /** - * Visits a CallExpression that contains either a spread element or `super`. - * - * @param node a CallExpression. + * Replace entities like " ", "{", and "�" with the characters they encode. + * See https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references */ - function visitCallExpression(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ true); + function decodeEntities(text) { + return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { + if (decimal) { + return String.fromCharCode(parseInt(decimal, 10)); + } + else if (hex) { + return String.fromCharCode(parseInt(hex, 16)); + } + else { + var ch = entities[word]; + // If this is not a valid entity, then just use `match` (replace it with itself, i.e. don't replace) + return ch ? String.fromCharCode(ch) : match; + } + }); } - function visitImmediateSuperCallInBody(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ false); + /** Like `decodeEntities` but returns `undefined` if there were no entities to decode. */ + function tryDecodeEntities(text) { + var decoded = decodeEntities(text); + return decoded === text ? undefined : decoded; } - function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { - // We are here either because SuperKeyword was used somewhere in the expression, or - // because we contain a SpreadElementExpression. - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - if (node.expression.kind === 96 /* SuperKeyword */) { - ts.setEmitFlags(thisArg, 128 /* NoSubstitution */); - } - var resultingCall; - if (node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) { - // [source] - // f(...a, b) - // x.m(...a, b) - // super(...a, b) - // super.m(...a, b) // in static - // super.m(...a, b) // in instance - // - // [output] - // f.apply(void 0, a.concat([b])) - // (_a = x).m.apply(_a, a.concat([b])) - // _super.apply(this, a.concat([b])) - // _super.m.apply(this, a.concat([b])) - // _super.prototype.m.apply(this, a.concat([b])) - resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)); + function getTagName(node) { + if (node.kind === 242 /* JsxElement */) { + return getTagName(node.openingElement); } else { - // [source] - // super(a) - // super.m(a) // in static - // super.m(a) // in instance - // - // [output] - // _super.call(this, a) - // _super.m.call(this, a) - // _super.prototype.m.call(this, a) - resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), - /*location*/ node); - } - if (node.expression.kind === 96 /* SuperKeyword */) { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); - var initializer = ts.createLogicalOr(resultingCall, actualThis); - return assignToCapturedThis - ? ts.createAssignment(ts.createIdentifier("_this"), initializer) - : initializer; + var name_36 = node.tagName; + if (ts.isIdentifier(name_36) && ts.isIntrinsicJsxName(name_36.text)) { + return ts.createLiteral(name_36.text); + } + else { + return ts.createExpressionFromEntityName(name_36); + } } - return resultingCall; - } - /** - * Visits a NewExpression that contains a spread element. - * - * @param node A NewExpression node. - */ - function visitNewExpression(node) { - // We are here because we contain a SpreadElementExpression. - ts.Debug.assert((node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) !== 0); - // [source] - // new C(...a) - // - // [output] - // new ((_a = C).bind.apply(_a, [void 0].concat(a)))() - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)), - /*typeArguments*/ undefined, []); } /** - * Transforms an array of Expression nodes that contains a SpreadElementExpression. - * - * @param elements The array of Expression nodes. - * @param needsUniqueCopy A value indicating whether to ensure that the result is a fresh array. - * @param multiLine A value indicating whether the result should be emitted on multiple lines. + * Emit an attribute name, which is quoted if it needs to be quoted. Because + * these emit into an object literal property name, we don't need to be worried + * about keywords, just non-identifier characters */ - function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { - // [source] - // [a, ...b, c] - // - // [output] - // [a].concat(b, [c]) - // Map spans of spread expressions into their expressions and spans of other - // expressions into an array literal. - var numElements = elements.length; - var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { - return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); - })); - if (segments.length === 1) { - var firstElement = elements[0]; - return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 /* ArrayLiteralExpression */ - ? ts.createArraySlice(segments[0]) - : segments[0]; + function getAttributeName(node) { + var name = node.name; + if (/^[A-Za-z_]\w*$/.test(name.text)) { + return name; + } + else { + return ts.createLiteral(name.text); } - // Rewrite using the pattern .concat(, , ...) - return ts.createArrayConcat(segments.shift(), segments); - } - function partitionSpreadElement(node) { - return ts.isSpreadElementExpression(node) - ? visitSpanOfSpreadElements - : visitSpanOfNonSpreadElements; - } - function visitSpanOfSpreadElements(chunk) { - return ts.map(chunk, visitExpressionOfSpreadElement); } - function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { - return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, /*location*/ undefined, hasTrailingComma), visitor, ts.isExpression), - /*location*/ undefined, multiLine); + function visitJsxExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } + } + ts.transformJsx = transformJsx; + function createEntitiesMap() { + return ts.createMap({ + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }); + } +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformES2017(context) { + var ES2017SubstitutionFlags; + (function (ES2017SubstitutionFlags) { + /** Enables substitutions for async methods with `super` calls. */ + ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; + })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + // These variables contain state that changes as we descend into the tree. + var currentSourceFileExternalHelpersModuleName; /** - * Transforms the expression of a SpreadElementExpression node. - * - * @param node A SpreadElementExpression node. + * Keeps track of whether expression substitution has been enabled for specific edge cases. + * They are persisted between each SourceFile transformation and should not be reset. */ - function visitExpressionOfSpreadElement(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); - } + var enabledSubstitutions; /** - * Visits a template literal. - * - * @param node A template literal. + * Keeps track of whether we are within any containing namespaces when performing + * just-in-time substitution while printing an expression identifier. */ - function visitTemplateLiteral(node) { - return ts.createLiteral(node.text, /*location*/ node); - } + var applicableSubstitutions; /** - * Visits a TaggedTemplateExpression node. - * - * @param node A TaggedTemplateExpression node. + * This keeps track of containers where `super` is valid, for use with + * just-in-time substitution for `super` expressions inside of async methods. */ - function visitTaggedTemplateExpression(node) { - // Visit the tag expression - var tag = ts.visitNode(node.tag, visitor, ts.isExpression); - // Allocate storage for the template site object - var temp = ts.createTempVariable(hoistVariableDeclaration); - // Build up the template arguments and the raw and cooked strings for the template. - var templateArguments = [temp]; - var cookedStrings = []; - var rawStrings = []; - var template = node.template; - if (ts.isNoSubstitutionTemplateLiteral(template)) { - cookedStrings.push(ts.createLiteral(template.text)); - rawStrings.push(getRawLiteral(template)); + var currentSuperContainer; + // Save the previous transformation hooks. + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + // Set new transformation hooks. + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentScope; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - else { - cookedStrings.push(ts.createLiteral(template.head.text)); - rawStrings.push(getRawLiteral(template.head)); - for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { - var templateSpan = _a[_i]; - cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); - rawStrings.push(getRawLiteral(templateSpan.literal)); - templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); - } + currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if (node.transformFlags & 16 /* ES2017 */) { + return visitorWorker(node); + } + else if (node.transformFlags & 32 /* ContainsES2017 */) { + return ts.visitEachChild(node, visitor, context); + } + return node; + } + function visitorWorker(node) { + switch (node.kind) { + case 119 /* AsyncKeyword */: + // ES2017 async modifier should be elided for targets < ES2017 + return undefined; + case 185 /* AwaitExpression */: + // ES2017 'await' expressions must be transformed for targets < ES2017. + return visitAwaitExpression(node); + case 148 /* MethodDeclaration */: + // ES2017 method declarations may be 'async' + return visitMethodDeclaration(node); + case 221 /* FunctionDeclaration */: + // ES2017 function declarations may be 'async' + return visitFunctionDeclaration(node); + case 180 /* FunctionExpression */: + // ES2017 function expressions may be 'async' + return visitFunctionExpression(node); + case 181 /* ArrowFunction */: + // ES2017 arrow functions may be 'async' + return visitArrowFunction(node); + default: + ts.Debug.failBadSyntaxKind(node); + return node; } - // NOTE: The parentheses here is entirely optional as we are now able to auto- - // parenthesize when rebuilding the tree. This should be removed in a - // future version. It is here for now to match our existing emit. - return ts.createParen(ts.inlineExpressions([ - ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), - ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), - ts.createCall(tag, /*typeArguments*/ undefined, templateArguments) - ])); } /** - * Creates an ES5 compatible literal from an ES6 template literal. + * Visits an await expression. * - * @param node The ES6 template literal. + * This function will be called any time a ES2017 await expression is encountered. + * + * @param node The await expression node. */ - function getRawLiteral(node) { - // Find original source text, since we need to emit the raw strings of the tagged template. - // The raw strings contain the (escaped) strings of what the user wrote. - // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". - var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); - // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), - // thus we need to remove those characters. - // First template piece starts with "`", others with "}" - // Last template piece ends with "`", others with "${" - var isLast = node.kind === 12 /* NoSubstitutionTemplateLiteral */ || node.kind === 15 /* TemplateTail */; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - // Newline normalization: - // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's - // and LineTerminatorSequences are normalized to for both TV and TRV. - text = text.replace(/\r\n?/g, "\n"); - return ts.createLiteral(text, /*location*/ node); + function visitAwaitExpression(node) { + return ts.setOriginalNode(ts.createYield( + /*asteriskToken*/ undefined, ts.visitNode(node.expression, visitor, ts.isExpression), + /*location*/ node), node); } /** - * Visits a TemplateExpression node. + * Visits a method declaration of a class. * - * @param node A TemplateExpression node. + * This function will be called when one of the following conditions are met: + * - The node is marked as async + * + * @param node The method node. */ - function visitTemplateExpression(node) { - var expressions = []; - addTemplateHead(expressions, node); - addTemplateSpans(expressions, node); - // createAdd will check if each expression binds less closely than binary '+'. - // If it does, it wraps the expression in parentheses. Otherwise, something like - // `abc${ 1 << 2 }` - // becomes - // "abc" + 1 << 2 + "" - // which is really - // ("abc" + 1) << (2 + "") - // rather than - // "abc" + (1 << 2) + "" - var expression = ts.reduceLeft(expressions, ts.createAdd); - if (ts.nodeIsSynthesized(expression)) { - ts.setTextRange(expression, node); + function visitMethodDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - return expression; + var method = ts.createMethod( + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node); + // While we emit the source map for the node after skipping decorators and modifiers, + // we need to emit the comments for the original range. + ts.setCommentRange(method, node); + ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(method, node); + return method; } /** - * Gets a value indicating whether we need to include the head of a TemplateExpression. + * Visits a function declaration. * - * @param node A TemplateExpression node. - */ - function shouldAddTemplateHead(node) { - // If this expression has an empty head literal and the first template span has a non-empty - // literal, then emitting the empty head literal is not necessary. - // `${ foo } and ${ bar }` - // can be emitted as - // foo + " and " + bar - // This is because it is only required that one of the first two operands in the emit - // output must be a string literal, so that the other operand and all following operands - // are forced into strings. - // - // If the first template span has an empty literal, then the head must still be emitted. - // `${ foo }${ bar }` - // must still be emitted as - // "" + foo + bar - // There is always atleast one templateSpan in this code path, since - // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; - } - /** - * Adds the head of a TemplateExpression to an array of expressions. + * This function will be called when one of the following conditions are met: + * - The node is marked async * - * @param expressions An array of expressions. - * @param node A TemplateExpression node. + * @param node The function node. */ - function addTemplateHead(expressions, node) { - if (!shouldAddTemplateHead(node)) { - return; + function visitFunctionDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - expressions.push(ts.createLiteral(node.head.text)); + var func = ts.createFunctionDeclaration( + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node); + ts.setOriginalNode(func, node); + return func; } /** - * Visits and adds the template spans of a TemplateExpression to an array of expressions. + * Visits a function expression node. * - * @param expressions An array of expressions. - * @param node A TemplateExpression node. + * This function will be called when one of the following conditions are met: + * - The node is marked async + * + * @param node The function expression node. */ - function addTemplateSpans(expressions, node) { - for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { - var span_6 = _a[_i]; - expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); - // Only emit if the literal is non-empty. - // The binary '+' operator is left-associative, so the first string concatenation - // with the head will force the result up to this point to be a string. - // Emitting a '+ ""' has no semantic effect for middles and tails. - if (span_6.literal.text.length !== 0) { - expressions.push(ts.createLiteral(span_6.literal.text)); - } + function visitFunctionExpression(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; + } + if (ts.nodeIsMissing(node.body)) { + return ts.createOmittedExpression(); } + var func = ts.createFunctionExpression( + /*modifiers*/ undefined, node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node); + ts.setOriginalNode(func, node); + return func; } /** - * Visits the `super` keyword + * @remarks + * This function will be called when one of the following conditions are met: + * - The node is marked async */ - function visitSuperKeyword() { - return enclosingNonAsyncFunctionBody - && ts.isClassElement(enclosingNonAsyncFunctionBody) - && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32 /* Static */) - && currentParent.kind !== 175 /* CallExpression */ - ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") - : ts.createIdentifier("_super"); + function visitArrowFunction(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; + } + var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, node.equalsGreaterThanToken, transformConciseBody(node), + /*location*/ node); + ts.setOriginalNode(func, node); + return func; } - function visitSourceFileNode(node) { - var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; - var statements = []; + function transformFunctionBody(node) { + return transformAsyncFunctionBody(node); + } + function transformConciseBody(node) { + return transformAsyncFunctionBody(node); + } + function transformFunctionBodyWorker(body, start) { + if (start === void 0) { start = 0; } + var savedCurrentScope = currentScope; + currentScope = body; startLexicalEnvironment(); - ts.addRange(statements, prologue); - addCaptureThisForNodeIfNeeded(statements, node); - ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); - ts.addRange(statements, endLexicalEnvironment()); - var clone = ts.getMutableClone(node); - clone.statements = ts.createNodeArray(statements, /*location*/ node.statements); - return clone; + var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); + var visited = ts.updateBlock(body, statements); + var declarations = endLexicalEnvironment(); + currentScope = savedCurrentScope; + return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); } - /** - * Called by the printer just before a node is printed. - * - * @param node The node to be printed. - */ - function onEmitNode(emitContext, node, emitCallback) { - var savedEnclosingFunction = enclosingFunction; - if (enabledSubstitutions & 1 /* CapturedThis */ && ts.isFunctionLike(node)) { - // If we are tracking a captured `this`, keep track of the enclosing function. - enclosingFunction = node; + function transformAsyncFunctionBody(node) { + var nodeType = node.original ? node.original.type : node.type; + var promiseConstructor = languageVersion < 2 /* ES2015 */ ? getPromiseConstructor(nodeType) : undefined; + var isArrowFunction = node.kind === 181 /* ArrowFunction */; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; + // An async function is emit as an outer function that calls an inner + // generator function. To preserve lexical bindings, we pass the current + // `this` and `arguments` objects to `__awaiter`. The generator function + // passed to `__awaiter` is executed inside of the callback to the + // promise constructor. + if (!isArrowFunction) { + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, /*ensureUseStrict*/ false, visitor); + statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); + var block = ts.createBlock(statements, /*location*/ node.body, /*multiLine*/ true); + // Minor optimization, emit `_super` helper to capture `super` access in an arrow. + // This step isn't needed if we eventually transform this to ES5. + if (languageVersion >= 2 /* ES2015 */) { + if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 8 /* EmitAdvancedSuperHelper */); + } + else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 4 /* EmitSuperHelper */); + } + } + return block; + } + else { + return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, /*forceBlockFunctionBody*/ true)); } - previousOnEmitNode(emitContext, node, emitCallback); - enclosingFunction = savedEnclosingFunction; } - /** - * Enables a more costly code path for substitutions when we determine a source file - * contains block-scoped bindings (e.g. `let` or `const`). - */ - function enableSubstitutionsForBlockScopedBindings() { - if ((enabledSubstitutions & 2 /* BlockScopedBindings */) === 0) { - enabledSubstitutions |= 2 /* BlockScopedBindings */; - context.enableSubstitution(70 /* Identifier */); + function transformConciseBodyWorker(body, forceBlockFunctionBody) { + if (ts.isBlock(body)) { + return transformFunctionBodyWorker(body); + } + else { + startLexicalEnvironment(); + var visited = ts.visitNode(body, visitor, ts.isConciseBody); + var declarations = endLexicalEnvironment(); + var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (forceBlockFunctionBody && !ts.isBlock(merged)) { + return ts.createBlock([ + ts.createReturn(merged) + ]); + } + else { + return merged; + } } } - /** - * Enables a more costly code path for substitutions when we determine a source file - * contains a captured `this`. - */ - function enableSubstitutionsForCapturedThis() { - if ((enabledSubstitutions & 1 /* CapturedThis */) === 0) { - enabledSubstitutions |= 1 /* CapturedThis */; - context.enableSubstitution(98 /* ThisKeyword */); - context.enableEmitNotification(149 /* Constructor */); + function getPromiseConstructor(type) { + var typeName = ts.getEntityNameFromTypeNode(type); + if (typeName && ts.isEntityName(typeName)) { + var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); + if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue + || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { + return typeName; + } + } + return undefined; + } + function enableSubstitutionForAsyncMethodsWithSuper() { + if ((enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) === 0) { + enabledSubstitutions |= 1 /* AsyncMethodsWithSuper */; + // We need to enable substitutions for call, property access, and element access + // if we need to rewrite super calls. + context.enableSubstitution(175 /* CallExpression */); + context.enableSubstitution(173 /* PropertyAccessExpression */); + context.enableSubstitution(174 /* ElementAccessExpression */); + // We need to be notified when entering and exiting declarations that bind super. + context.enableEmitNotification(222 /* ClassDeclaration */); context.enableEmitNotification(148 /* MethodDeclaration */); context.enableEmitNotification(150 /* GetAccessor */); context.enableEmitNotification(151 /* SetAccessor */); - context.enableEmitNotification(181 /* ArrowFunction */); - context.enableEmitNotification(180 /* FunctionExpression */); - context.enableEmitNotification(221 /* FunctionDeclaration */); + context.enableEmitNotification(149 /* Constructor */); } } - /** - * Hooks node substitutions. - * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. - */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); - } - if (ts.isIdentifier(node)) { - return substituteIdentifier(node); + function substituteExpression(node) { + switch (node.kind) { + case 173 /* PropertyAccessExpression */: + return substitutePropertyAccessExpression(node); + case 174 /* ElementAccessExpression */: + return substituteElementAccessExpression(node); + case 175 /* CallExpression */: + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) { + return substituteCallExpression(node); + } + break; } return node; } - /** - * Hooks substitutions for non-expression identifiers. - */ - function substituteIdentifier(node) { - // Only substitute the identifier if we have enabled substitutions for block-scoped - // bindings. - if (enabledSubstitutions & 2 /* BlockScopedBindings */) { - var original = ts.getParseTreeNode(node, ts.isIdentifier); - if (original && isNameOfDeclarationWithCollidingName(original)) { - return ts.getGeneratedNameForNode(original); + function substitutePropertyAccessExpression(node) { + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); } } return node; } - /** - * Determines whether a name is the name of a declaration with a colliding name. - * NOTE: This function expects to be called with an original source tree node. - * - * @param node An original source tree node. - */ - function isNameOfDeclarationWithCollidingName(node) { - var parent = node.parent; - switch (parent.kind) { - case 170 /* BindingElement */: - case 222 /* ClassDeclaration */: - case 225 /* EnumDeclaration */: - case 219 /* VariableDeclaration */: - return parent.name === node - && resolver.isDeclarationWithCollidingName(parent); + function substituteElementAccessExpression(node) { + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); + } } - return false; + return node; } - /** - * Substitutes an expression. - * - * @param node An Expression node. - */ - function substituteExpression(node) { - switch (node.kind) { - case 70 /* Identifier */: - return substituteExpressionIdentifier(node); - case 98 /* ThisKeyword */: - return substituteThisKeyword(node); + function substituteCallExpression(node) { + var expression = node.expression; + if (ts.isSuperProperty(expression)) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + var argumentExpression = ts.isPropertyAccessExpression(expression) + ? substitutePropertyAccessExpression(expression) + : substituteElementAccessExpression(expression); + return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), + /*typeArguments*/ undefined, [ + ts.createThis() + ].concat(node.arguments)); + } } return node; } + function isSuperContainer(node) { + var kind = node.kind; + return kind === 222 /* ClassDeclaration */ + || kind === 149 /* Constructor */ + || kind === 148 /* MethodDeclaration */ + || kind === 150 /* GetAccessor */ + || kind === 151 /* SetAccessor */; + } /** - * Substitutes an expression identifier. + * Hook for node emit. * - * @param node An Identifier node. + * @param node The node to emit. + * @param emit A callback used to emit the node in the printer. */ - function substituteExpressionIdentifier(node) { - if (enabledSubstitutions & 2 /* BlockScopedBindings */) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - return ts.getGeneratedNameForNode(declaration.name); - } + function onEmitNode(emitContext, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + var savedCurrentSuperContainer = currentSuperContainer; + // If we need to support substitutions for `super` in an async method, + // we should track it here. + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && isSuperContainer(node)) { + currentSuperContainer = node; } - return node; + previousOnEmitNode(emitContext, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; + currentSuperContainer = savedCurrentSuperContainer; } /** - * Substitutes `this` when contained within an arrow function. + * Hooks node substitutions. * - * @param node The ThisKeyword node. + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. */ - function substituteThisKeyword(node) { - if (enabledSubstitutions & 1 /* CapturedThis */ - && enclosingFunction - && ts.getEmitFlags(enclosingFunction) & 256 /* CapturesThis */) { - return ts.createIdentifier("_this", /*location*/ node); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } return node; } - /** - * Gets the local name for a declaration for use in expressions. - * - * A local name will *never* be prefixed with an module or namespace export modifier like - * "exports.". - * - * @param node The declaration. - * @param allowComments A value indicating whether comments may be emitted for the name. - * @param allowSourceMaps A value indicating whether source maps may be emitted for the name. - */ - function getLocalName(node, allowComments, allowSourceMaps) { - return getDeclarationName(node, allowComments, allowSourceMaps, 262144 /* LocalName */); + function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { + if (flags & 4096 /* AsyncMethodWithSuperBinding */) { + return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), + /*typeArguments*/ undefined, [argumentExpression]), "value", location); + } + else { + return ts.createCall(ts.createIdentifier("_super"), + /*typeArguments*/ undefined, [argumentExpression], location); + } } - /** - * Gets the name of a declaration, without source map or comments. - * - * @param node The declaration. - * @param allowComments Allow comments for the name. - */ - function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { - if (node.name && !ts.isGeneratedIdentifier(node.name)) { - var name_33 = ts.getMutableClone(node.name); - emitFlags |= ts.getEmitFlags(node.name); - if (!allowSourceMaps) { - emitFlags |= 1536 /* NoSourceMap */; + function getSuperContainerAsyncMethodFlags() { + return currentSuperContainer !== undefined + && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */); + } + } + ts.transformES2017 = transformES2017; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformES2016(context) { + var hoistVariableDeclaration = context.hoistVariableDeclaration; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if (node.transformFlags & 64 /* ES2016 */) { + return visitorWorker(node); + } + else if (node.transformFlags & 128 /* ContainsES2016 */) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } + } + function visitorWorker(node) { + switch (node.kind) { + case 188 /* BinaryExpression */: + return visitBinaryExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } + } + function visitBinaryExpression(node) { + // We are here because ES2016 adds support for the exponentiation operator. + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = ts.visitNode(node.right, visitor, ts.isExpression); + if (node.operatorToken.kind === 61 /* AsteriskAsteriskEqualsToken */) { + var target = void 0; + var value = void 0; + if (ts.isElementAccessExpression(left)) { + // Transforms `a[x] **= b` into `(_a = a)[_x = x] = Math.pow(_a[_x], b)` + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, /*location*/ left.argumentExpression), + /*location*/ left); + value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, + /*location*/ left); } - if (!allowComments) { - emitFlags |= 49152 /* NoComments */; + else if (ts.isPropertyAccessExpression(left)) { + // Transforms `a.x **= b` into `(_a = a).x = Math.pow(_a.x, b)` + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), left.name, + /*location*/ left); + value = ts.createPropertyAccess(expressionTemp, left.name, + /*location*/ left); } - if (emitFlags) { - ts.setEmitFlags(name_33, emitFlags); + else { + // Transforms `a **= b` into `a = Math.pow(a, b)` + target = left; + value = left; } - return name_33; - } - return ts.getGeneratedNameForNode(node); - } - function getClassMemberPrefix(node, member) { - var expression = getLocalName(node); - return ts.hasModifier(member, 32 /* Static */) ? expression : ts.createPropertyAccess(expression, "prototype"); - } - function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { - if (!constructor || !hasExtendsClause) { - return false; - } - var parameter = ts.singleOrUndefined(constructor.parameters); - if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { - return false; - } - var statement = ts.firstOrUndefined(constructor.body.statements); - if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203 /* ExpressionStatement */) { - return false; - } - var statementExpression = statement.expression; - if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175 /* CallExpression */) { - return false; + return ts.createAssignment(target, ts.createMathPow(value, right, /*location*/ node), /*location*/ node); } - var callTarget = statementExpression.expression; - if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96 /* SuperKeyword */) { - return false; + else if (node.operatorToken.kind === 39 /* AsteriskAsteriskToken */) { + // Transforms `a ** b` into `Math.pow(a, b)` + return ts.createMathPow(left, right, /*location*/ node); } - var callArgument = ts.singleOrUndefined(statementExpression.arguments); - if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192 /* SpreadElementExpression */) { - return false; + else { + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } - var expression = callArgument.expression; - return ts.isIdentifier(expression) && expression === parameter.name; } } - ts.transformES2015 = transformES2015; + ts.transformES2016 = transformES2016; })(ts || (ts = {})); /// /// -// Transforms generator functions into a compatible ES5 representation with similar runtime -// semantics. This is accomplished by first transforming the body of each generator -// function into an intermediate representation that is the compiled into a JavaScript -// switch statement. -// -// Many functions in this transformer will contain comments indicating the expected -// intermediate representation. For illustrative purposes, the following intermediate -// language is used to define this intermediate representation: -// -// .nop - Performs no operation. -// .local NAME, ... - Define local variable declarations. -// .mark LABEL - Mark the location of a label. -// .br LABEL - Jump to a label. If jumping out of a protected -// region, all .finally blocks are executed. -// .brtrue LABEL, (x) - Jump to a label IIF the expression `x` is truthy. -// If jumping out of a protected region, all .finally -// blocks are executed. -// .brfalse LABEL, (x) - Jump to a label IIF the expression `x` is falsey. -// If jumping out of a protected region, all .finally -// blocks are executed. -// .yield (x) - Yield the value of the optional expression `x`. -// Resume at the next label. -// .yieldstar (x) - Delegate yield to the value of the optional -// expression `x`. Resume at the next label. -// NOTE: `x` must be an Iterator, not an Iterable. -// .loop CONTINUE, BREAK - Marks the beginning of a loop. Any "continue" or -// "break" abrupt completions jump to the CONTINUE or -// BREAK labels, respectively. -// .endloop - Marks the end of a loop. -// .with (x) - Marks the beginning of a WithStatement block, using -// the supplied expression. -// .endwith - Marks the end of a WithStatement. -// .switch - Marks the beginning of a SwitchStatement. -// .endswitch - Marks the end of a SwitchStatement. -// .labeled NAME - Marks the beginning of a LabeledStatement with the -// supplied name. -// .endlabeled - Marks the end of a LabeledStatement. -// .try TRY, CATCH, FINALLY, END - Marks the beginning of a protected region, and the -// labels for each block. -// .catch (x) - Marks the beginning of a catch block. -// .finally - Marks the beginning of a finally block. -// .endfinally - Marks the end of a finally block. -// .endtry - Marks the end of a protected region. -// .throw (x) - Throws the value of the expression `x`. -// .return (x) - Returns the value of the expression `x`. -// -// In addition, the illustrative intermediate representation introduces some special -// variables: -// -// %sent% - Either returns the next value sent to the generator, -// returns the result of a delegated yield, or throws -// the exception sent to the generator. -// %error% - Returns the value of the current exception in a -// catch block. -// -// This intermediate representation is then compiled into JavaScript syntax. The resulting -// compilation output looks something like the following: -// -// function f() { -// var /*locals*/; -// /*functions*/ -// return __generator(function (state) { -// switch (state.label) { -// /*cases per label*/ -// } -// }); -// } -// -// Each of the above instructions corresponds to JavaScript emit similar to the following: -// -// .local NAME | var NAME; -// -------------------------------|---------------------------------------------- -// .mark LABEL | case LABEL: -// -------------------------------|---------------------------------------------- -// .br LABEL | return [3 /*break*/, LABEL]; -// -------------------------------|---------------------------------------------- -// .brtrue LABEL, (x) | if (x) return [3 /*break*/, LABEL]; -// -------------------------------|---------------------------------------------- -// .brfalse LABEL, (x) | if (!(x)) return [3, /*break*/, LABEL]; -// -------------------------------|---------------------------------------------- -// .yield (x) | return [4 /*yield*/, x]; -// .mark RESUME | case RESUME: -// a = %sent%; | a = state.sent(); -// -------------------------------|---------------------------------------------- -// .yieldstar (x) | return [5 /*yield**/, x]; -// .mark RESUME | case RESUME: -// a = %sent%; | a = state.sent(); -// -------------------------------|---------------------------------------------- -// .with (_a) | with (_a) { -// a(); | a(); -// | } -// | state.label = LABEL; -// .mark LABEL | case LABEL: -// | with (_a) { -// b(); | b(); -// | } -// .endwith | -// -------------------------------|---------------------------------------------- -// | case 0: -// | state.trys = []; -// | ... -// .try TRY, CATCH, FINALLY, END | -// .mark TRY | case TRY: -// | state.trys.push([TRY, CATCH, FINALLY, END]); -// .nop | -// a(); | a(); -// .br END | return [3 /*break*/, END]; -// .catch (e) | -// .mark CATCH | case CATCH: -// | e = state.sent(); -// b(); | b(); -// .br END | return [3 /*break*/, END]; -// .finally | -// .mark FINALLY | case FINALLY: -// c(); | c(); -// .endfinally | return [7 /*endfinally*/]; -// .endtry | -// .mark END | case END: /*@internal*/ var ts; (function (ts) { - var OpCode; - (function (OpCode) { - OpCode[OpCode["Nop"] = 0] = "Nop"; - OpCode[OpCode["Statement"] = 1] = "Statement"; - OpCode[OpCode["Assign"] = 2] = "Assign"; - OpCode[OpCode["Break"] = 3] = "Break"; - OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; - OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; - OpCode[OpCode["Yield"] = 6] = "Yield"; - OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; - OpCode[OpCode["Return"] = 8] = "Return"; - OpCode[OpCode["Throw"] = 9] = "Throw"; - OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; // Marks the end of a `finally` block - })(OpCode || (OpCode = {})); - // whether a generated code block is opening or closing at the current operation for a FunctionBuilder - var BlockAction; - (function (BlockAction) { - BlockAction[BlockAction["Open"] = 0] = "Open"; - BlockAction[BlockAction["Close"] = 1] = "Close"; - })(BlockAction || (BlockAction = {})); - // the kind for a generated code block in a FunctionBuilder - var CodeBlockKind; - (function (CodeBlockKind) { - CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; - CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; - CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; - CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; - CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; - })(CodeBlockKind || (CodeBlockKind = {})); - // the state for a generated code exception block - var ExceptionBlockState; - (function (ExceptionBlockState) { - ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; - ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; - ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; - ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; - })(ExceptionBlockState || (ExceptionBlockState = {})); - // NOTE: changes to this enum should be reflected in the __generator helper. - var Instruction; - (function (Instruction) { - Instruction[Instruction["Next"] = 0] = "Next"; - Instruction[Instruction["Throw"] = 1] = "Throw"; - Instruction[Instruction["Return"] = 2] = "Return"; - Instruction[Instruction["Break"] = 3] = "Break"; - Instruction[Instruction["Yield"] = 4] = "Yield"; - Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; - Instruction[Instruction["Catch"] = 6] = "Catch"; - Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; - })(Instruction || (Instruction = {})); - var instructionNames = ts.createMap((_a = {}, - _a[2 /* Return */] = "return", - _a[3 /* Break */] = "break", - _a[4 /* Yield */] = "yield", - _a[5 /* YieldStar */] = "yield*", - _a[7 /* Endfinally */] = "endfinally", - _a)); - function transformGenerators(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var ES2015SubstitutionFlags; + (function (ES2015SubstitutionFlags) { + /** Enables substitutions for captured `this` */ + ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; + /** Enables substitutions for block-scoped bindings. */ + ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; + })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); + var CopyDirection; + (function (CopyDirection) { + CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; + CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; + })(CopyDirection || (CopyDirection = {})); + var Jump; + (function (Jump) { + Jump[Jump["Break"] = 2] = "Break"; + Jump[Jump["Continue"] = 4] = "Continue"; + Jump[Jump["Return"] = 8] = "Return"; + })(Jump || (Jump = {})); + var SuperCaptureResult; + (function (SuperCaptureResult) { + /** + * A capture may have been added for calls to 'super', but + * the caller should emit subsequent statements normally. + */ + SuperCaptureResult[SuperCaptureResult["NoReplacement"] = 0] = "NoReplacement"; + /** + * A call to 'super()' got replaced with a capturing statement like: + * + * var _this = _super.call(...) || this; + * + * Callers should skip the current statement. + */ + SuperCaptureResult[SuperCaptureResult["ReplaceSuperCapture"] = 1] = "ReplaceSuperCapture"; + /** + * A call to 'super()' got replaced with a capturing statement like: + * + * return _super.call(...) || this; + * + * Callers should skip the current statement and avoid any returns of '_this'. + */ + SuperCaptureResult[SuperCaptureResult["ReplaceWithReturn"] = 2] = "ReplaceWithReturn"; + })(SuperCaptureResult || (SuperCaptureResult = {})); + function transformES2015(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; var resolver = context.getEmitResolver(); var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; context.onSubstituteNode = onSubstituteNode; var currentSourceFile; - var renamedCatchVariables; - var renamedCatchVariableDeclarations; - var inGeneratorFunctionBody; - var inStatementContainingYield; - // The following three arrays store information about generated code blocks. - // All three arrays are correlated by their index. This approach is used over allocating - // objects to store the same information to avoid GC overhead. - // - var blocks; // Information about the code block - var blockOffsets; // The operation offset at which a code block begins or ends - var blockActions; // Whether the code block is opened or closed - var blockStack; // A stack of currently open code blocks - // Labels are used to mark locations in the code that can be the target of a Break (jump) - // operation. These are translated into case clauses in a switch statement. - // The following two arrays are correlated by their index. This approach is used over - // allocating objects to store the same information to avoid GC overhead. - // - var labelOffsets; // The operation offset at which the label is defined. - var labelExpressions; // The NumericLiteral nodes bound to each label. - var nextLabelId = 1; // The next label id to use. - // Operations store information about generated code for the function body. This - // Includes things like statements, assignments, breaks (jumps), and yields. - // The following three arrays are correlated by their index. This approach is used over - // allocating objects to store the same information to avoid GC overhead. - // - var operations; // The operation to perform. - var operationArguments; // The arguments to the operation. - var operationLocations; // The source map location for the operation. - var state; // The name of the state object used by the generator at runtime. - // The following variables store information used by the `build` function: - // - var blockIndex = 0; // The index of the current block. - var labelNumber = 0; // The current label number. - var labelNumbers; - var lastOperationWasAbrupt; // Indicates whether the last operation was abrupt (break/continue). - var lastOperationWasCompletion; // Indicates whether the last operation was a completion (return/throw). - var clauses; // The case clauses generated for labels. - var statements; // The statements for the current label. - var exceptionBlockStack; // A stack of containing exception blocks. - var currentExceptionBlock; // The current exception block. - var withBlockStack; // A stack containing `with` blocks. + var currentText; + var currentParent; + var currentNode; + var enclosingVariableStatement; + var enclosingBlockScopeContainer; + var enclosingBlockScopeContainerParent; + var enclosingFunction; + var enclosingNonArrowFunction; + var enclosingNonAsyncFunctionBody; + /** + * Used to track if we are emitting body of the converted loop + */ + var convertedLoopState; + /** + * Keeps track of whether substitutions have been enabled for specific cases. + * They are persisted between each SourceFile transformation and should not + * be reset. + */ + var enabledSubstitutions; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (node.transformFlags & 4096 /* ContainsGenerator */) { - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - } - return node; + currentSourceFile = node; + currentText = node.text; + return ts.visitNode(node, visitor, ts.isSourceFile); } - /** - * Visits a node. - * - * @param node The node to visit. - */ function visitor(node) { - var transformFlags = node.transformFlags; - if (inStatementContainingYield) { - return visitJavaScriptInStatementContainingYield(node); - } - else if (inGeneratorFunctionBody) { - return visitJavaScriptInGeneratorFunctionBody(node); + return saveStateAndInvoke(node, dispatcher); + } + function dispatcher(node) { + return convertedLoopState + ? visitorForConvertedLoopWorker(node) + : visitorWorker(node); + } + function saveStateAndInvoke(node, f) { + var savedEnclosingFunction = enclosingFunction; + var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; + var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; + var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; + var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; + var savedEnclosingVariableStatement = enclosingVariableStatement; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var savedConvertedLoopState = convertedLoopState; + if (ts.nodeStartsNewLexicalEnvironment(node)) { + // don't treat content of nodes that start new lexical environment as part of converted loop copy + convertedLoopState = undefined; } - else if (transformFlags & 2048 /* Generator */) { - return visitGenerator(node); + onBeforeVisitNode(node); + var visited = f(node); + convertedLoopState = savedConvertedLoopState; + enclosingFunction = savedEnclosingFunction; + enclosingNonArrowFunction = savedEnclosingNonArrowFunction; + enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; + enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; + enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; + enclosingVariableStatement = savedEnclosingVariableStatement; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return visited; + } + function shouldCheckNode(node) { + return (node.transformFlags & 256 /* ES2015 */) !== 0 || + node.kind === 215 /* LabeledStatement */ || + (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node)); + } + function visitorWorker(node) { + if (shouldCheckNode(node)) { + return visitJavaScript(node); } - else if (transformFlags & 4096 /* ContainsGenerator */) { + else if (node.transformFlags & 512 /* ContainsES2015 */) { return ts.visitEachChild(node, visitor, context); } else { return node; } } - /** - * Visits a node that is contained within a statement that contains yield. - * - * @param node The node to visit. - */ - function visitJavaScriptInStatementContainingYield(node) { - switch (node.kind) { - case 205 /* DoStatement */: - return visitDoStatement(node); - case 206 /* WhileStatement */: - return visitWhileStatement(node); - case 214 /* SwitchStatement */: - return visitSwitchStatement(node); - case 215 /* LabeledStatement */: - return visitLabeledStatement(node); - default: - return visitJavaScriptInGeneratorFunctionBody(node); + function visitorForConvertedLoopWorker(node) { + var result; + if (shouldCheckNode(node)) { + result = visitJavaScript(node); } + else { + result = visitNodesInConvertedLoop(node); + } + return result; } - /** - * Visits a node that is contained within a generator function. - * - * @param node The node to visit. - */ - function visitJavaScriptInGeneratorFunctionBody(node) { + function visitNodesInConvertedLoop(node) { switch (node.kind) { - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 180 /* FunctionExpression */: - return visitFunctionExpression(node); - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - return visitAccessorDeclaration(node); + case 212 /* ReturnStatement */: + return visitReturnStatement(node); case 201 /* VariableStatement */: return visitVariableStatement(node); - case 207 /* ForStatement */: - return visitForStatement(node); - case 208 /* ForInStatement */: - return visitForInStatement(node); + case 214 /* SwitchStatement */: + return visitSwitchStatement(node); case 211 /* BreakStatement */: - return visitBreakStatement(node); case 210 /* ContinueStatement */: - return visitContinueStatement(node); - case 212 /* ReturnStatement */: - return visitReturnStatement(node); + return visitBreakOrContinueStatement(node); + case 98 /* ThisKeyword */: + return visitThisKeyword(node); + case 70 /* Identifier */: + return visitIdentifier(node); default: - if (node.transformFlags & 16777216 /* ContainsYield */) { - return visitJavaScriptContainingYield(node); - } - else if (node.transformFlags & (4096 /* ContainsGenerator */ | 33554432 /* ContainsHoistedDeclarationOrCompletion */)) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } + return ts.visitEachChild(node, visitor, context); } } - /** - * Visits a node that contains a YieldExpression. - * - * @param node The node to visit. - */ - function visitJavaScriptContainingYield(node) { + function visitJavaScript(node) { switch (node.kind) { - case 188 /* BinaryExpression */: - return visitBinaryExpression(node); - case 189 /* ConditionalExpression */: - return visitConditionalExpression(node); - case 191 /* YieldExpression */: - return visitYieldExpression(node); - case 171 /* ArrayLiteralExpression */: - return visitArrayLiteralExpression(node); + case 83 /* ExportKeyword */: + return node; + case 222 /* ClassDeclaration */: + return visitClassDeclaration(node); + case 193 /* ClassExpression */: + return visitClassExpression(node); + case 143 /* Parameter */: + return visitParameter(node); + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 181 /* ArrowFunction */: + return visitArrowFunction(node); + case 180 /* FunctionExpression */: + return visitFunctionExpression(node); + case 219 /* VariableDeclaration */: + return visitVariableDeclaration(node); + case 70 /* Identifier */: + return visitIdentifier(node); + case 220 /* VariableDeclarationList */: + return visitVariableDeclarationList(node); + case 215 /* LabeledStatement */: + return visitLabeledStatement(node); + case 205 /* DoStatement */: + return visitDoStatement(node); + case 206 /* WhileStatement */: + return visitWhileStatement(node); + case 207 /* ForStatement */: + return visitForStatement(node); + case 208 /* ForInStatement */: + return visitForInStatement(node); + case 209 /* ForOfStatement */: + return visitForOfStatement(node); + case 203 /* ExpressionStatement */: + return visitExpressionStatement(node); case 172 /* ObjectLiteralExpression */: return visitObjectLiteralExpression(node); - case 174 /* ElementAccessExpression */: - return visitElementAccessExpression(node); + case 252 /* CatchClause */: + return visitCatchClause(node); + case 254 /* ShorthandPropertyAssignment */: + return visitShorthandPropertyAssignment(node); + case 171 /* ArrayLiteralExpression */: + return visitArrayLiteralExpression(node); case 175 /* CallExpression */: return visitCallExpression(node); case 176 /* NewExpression */: return visitNewExpression(node); - default: + case 179 /* ParenthesizedExpression */: + return visitParenthesizedExpression(node, /*needsDestructuringValue*/ true); + case 188 /* BinaryExpression */: + return visitBinaryExpression(node, /*needsDestructuringValue*/ true); + case 12 /* NoSubstitutionTemplateLiteral */: + case 13 /* TemplateHead */: + case 14 /* TemplateMiddle */: + case 15 /* TemplateTail */: + return visitTemplateLiteral(node); + case 177 /* TaggedTemplateExpression */: + return visitTaggedTemplateExpression(node); + case 190 /* TemplateExpression */: + return visitTemplateExpression(node); + case 191 /* YieldExpression */: + return visitYieldExpression(node); + case 96 /* SuperKeyword */: + return visitSuperKeyword(); + case 191 /* YieldExpression */: + // `yield` will be handled by a generators transform. return ts.visitEachChild(node, visitor, context); - } - } - /** - * Visits a generator function. - * - * @param node The node to visit. - */ - function visitGenerator(node) { - switch (node.kind) { - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 180 /* FunctionExpression */: - return visitFunctionExpression(node); + case 148 /* MethodDeclaration */: + return visitMethodDeclaration(node); + case 256 /* SourceFile */: + return visitSourceFileNode(node); + case 201 /* VariableStatement */: + return visitVariableStatement(node); default: ts.Debug.failBadSyntaxKind(node); return ts.visitEachChild(node, visitor, context); } } - /** - * Visits a function declaration. - * - * This will be called when one of the following conditions are met: - * - The function declaration is a generator function. - * - The function declaration is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitFunctionDeclaration(node) { - // Currently, we only support generators that were originally async functions. - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { - node = ts.setOriginalNode(ts.createFunctionDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, node.name, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, transformGeneratorFunctionBody(node.body), - /*location*/ node), node); - } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - } - if (inGeneratorFunctionBody) { - // Function declarations in a generator function body are hoisted - // to the top of the lexical scope and elided from the current statement. - hoistFunctionDeclaration(node); - return undefined; - } - else { - return node; - } - } - /** - * Visits a function expression. - * - * This will be called when one of the following conditions are met: - * - The function expression is a generator function. - * - The function expression is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitFunctionExpression(node) { - // Currently, we only support generators that were originally async functions. - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { - node = ts.setOriginalNode(ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, node.name, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, transformGeneratorFunctionBody(node.body), - /*location*/ node), node); - } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - } - return node; - } - /** - * Visits a get or set accessor declaration. - * - * This will be called when one of the following conditions are met: - * - The accessor is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitAccessorDeclaration(node) { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - return node; - } - /** - * Transforms the body of a generator function declaration. - * - * @param node The function body to transform. - */ - function transformGeneratorFunctionBody(body) { - // Save existing generator state - var statements = []; - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - var savedBlocks = blocks; - var savedBlockOffsets = blockOffsets; - var savedBlockActions = blockActions; - var savedBlockStack = blockStack; - var savedLabelOffsets = labelOffsets; - var savedLabelExpressions = labelExpressions; - var savedNextLabelId = nextLabelId; - var savedOperations = operations; - var savedOperationArguments = operationArguments; - var savedOperationLocations = operationLocations; - var savedState = state; - // Initialize generator state - inGeneratorFunctionBody = true; - inStatementContainingYield = false; - blocks = undefined; - blockOffsets = undefined; - blockActions = undefined; - blockStack = undefined; - labelOffsets = undefined; - labelExpressions = undefined; - nextLabelId = 1; - operations = undefined; - operationArguments = undefined; - operationLocations = undefined; - state = ts.createTempVariable(/*recordTempVariable*/ undefined); - // Build the generator - startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); - transformAndEmitStatements(body.statements, statementOffset); - var buildResult = build(); - ts.addRange(statements, endLexicalEnvironment()); - statements.push(ts.createReturn(buildResult)); - // Restore previous generator state - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - blocks = savedBlocks; - blockOffsets = savedBlockOffsets; - blockActions = savedBlockActions; - blockStack = savedBlockStack; - labelOffsets = savedLabelOffsets; - labelExpressions = savedLabelExpressions; - nextLabelId = savedNextLabelId; - operations = savedOperations; - operationArguments = savedOperationArguments; - operationLocations = savedOperationLocations; - state = savedState; - return ts.createBlock(statements, /*location*/ body, body.multiLine); - } - /** - * Visits a variable statement. - * - * This will be called when one of the following conditions are met: - * - The variable statement is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitVariableStatement(node) { - if (node.transformFlags & 16777216 /* ContainsYield */) { - transformAndEmitVariableDeclarationList(node.declarationList); - return undefined; - } - else { - // Do not hoist custom prologues. - if (ts.getEmitFlags(node) & 8388608 /* CustomPrologue */) { - return node; + function onBeforeVisitNode(node) { + if (currentNode) { + if (ts.isBlockScope(currentNode, currentParent)) { + enclosingBlockScopeContainer = currentNode; + enclosingBlockScopeContainerParent = currentParent; } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + if (ts.isFunctionLike(currentNode)) { + enclosingFunction = currentNode; + if (currentNode.kind !== 181 /* ArrowFunction */) { + enclosingNonArrowFunction = currentNode; + if (!(ts.getEmitFlags(currentNode) & 2097152 /* AsyncFunctionBody */)) { + enclosingNonAsyncFunctionBody = currentNode; + } + } } - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length === 0) { - return undefined; + // keep track of the enclosing variable statement when in the context of + // variable statements, variable declarations, binding elements, and binding + // patterns. + switch (currentNode.kind) { + case 201 /* VariableStatement */: + enclosingVariableStatement = currentNode; + break; + case 220 /* VariableDeclarationList */: + case 219 /* VariableDeclaration */: + case 170 /* BindingElement */: + case 168 /* ObjectBindingPattern */: + case 169 /* ArrayBindingPattern */: + break; + default: + enclosingVariableStatement = undefined; } - return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); } + currentParent = currentNode; + currentNode = node; } - /** - * Visits a binary expression. - * - * This will be called when one of the following conditions are met: - * - The node contains a YieldExpression. - * - * @param node The node to visit. - */ - function visitBinaryExpression(node) { - switch (ts.getExpressionAssociativity(node)) { - case 0 /* Left */: - return visitLeftAssociativeBinaryExpression(node); - case 1 /* Right */: - return visitRightAssociativeBinaryExpression(node); - default: - ts.Debug.fail("Unknown associativity."); - } + function visitSwitchStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + // for switch statement allow only non-labeled break + convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; + var result = ts.visitEachChild(node, visitor, context); + convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; + return result; } - function isCompoundAssignment(kind) { - return kind >= 58 /* FirstCompoundAssignment */ - && kind <= 69 /* LastCompoundAssignment */; + function visitReturnStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + convertedLoopState.nonLocalJumps |= 8 /* Return */; + return ts.createReturn(ts.createObjectLiteral([ + ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression + ? ts.visitNode(node.expression, visitor, ts.isExpression) + : ts.createVoidZero()) + ])); } - function getOperatorForCompoundAssignment(kind) { - switch (kind) { - case 58 /* PlusEqualsToken */: return 36 /* PlusToken */; - case 59 /* MinusEqualsToken */: return 37 /* MinusToken */; - case 60 /* AsteriskEqualsToken */: return 38 /* AsteriskToken */; - case 61 /* AsteriskAsteriskEqualsToken */: return 39 /* AsteriskAsteriskToken */; - case 62 /* SlashEqualsToken */: return 40 /* SlashToken */; - case 63 /* PercentEqualsToken */: return 41 /* PercentToken */; - case 64 /* LessThanLessThanEqualsToken */: return 44 /* LessThanLessThanToken */; - case 65 /* GreaterThanGreaterThanEqualsToken */: return 45 /* GreaterThanGreaterThanToken */; - case 66 /* GreaterThanGreaterThanGreaterThanEqualsToken */: return 46 /* GreaterThanGreaterThanGreaterThanToken */; - case 67 /* AmpersandEqualsToken */: return 47 /* AmpersandToken */; - case 68 /* BarEqualsToken */: return 48 /* BarToken */; - case 69 /* CaretEqualsToken */: return 49 /* CaretToken */; + function visitThisKeyword(node) { + ts.Debug.assert(convertedLoopState !== undefined); + if (enclosingFunction && enclosingFunction.kind === 181 /* ArrowFunction */) { + // if the enclosing function is an ArrowFunction is then we use the captured 'this' keyword. + convertedLoopState.containsLexicalThis = true; + return node; } + return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); } - /** - * Visits a right-associative binary expression containing `yield`. - * - * @param node The node to visit. - */ - function visitRightAssociativeBinaryExpression(node) { - var left = node.left, right = node.right; - if (containsYield(right)) { - var target = void 0; - switch (left.kind) { - case 173 /* PropertyAccessExpression */: - // [source] - // a.b = yield; - // - // [intermediate] - // .local _a - // _a = a; - // .yield resumeLabel - // .mark resumeLabel - // _a.b = %sent%; - target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); - break; - case 174 /* ElementAccessExpression */: - // [source] - // a[b] = yield; - // - // [intermediate] - // .local _a, _b - // _a = a; - // _b = b; - // .yield resumeLabel - // .mark resumeLabel - // _a[_b] = %sent%; - target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); - break; - default: - target = ts.visitNode(left, visitor, ts.isExpression); - break; - } - var operator = node.operatorToken.kind; - if (isCompoundAssignment(operator)) { - return ts.createBinary(target, 57 /* EqualsToken */, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); - } - else { - return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); - } + function visitIdentifier(node) { + if (!convertedLoopState) { + return node; } - return ts.visitEachChild(node, visitor, context); + if (ts.isGeneratedIdentifier(node)) { + return node; + } + if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { + return node; + } + return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); } - function visitLeftAssociativeBinaryExpression(node) { - if (containsYield(node.right)) { - if (ts.isLogicalOperator(node.operatorToken.kind)) { - return visitLogicalBinaryExpression(node); - } - else if (node.operatorToken.kind === 25 /* CommaToken */) { - return visitCommaExpression(node); + function visitBreakOrContinueStatement(node) { + if (convertedLoopState) { + // check if we can emit break/continue as is + // it is possible if either + // - break/continue is labeled and label is located inside the converted loop + // - break/continue is non-labeled and located in non-converted loop/switch statement + var jump = node.kind === 211 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + var labelMarker = void 0; + if (!node.label) { + if (node.kind === 211 /* BreakStatement */) { + convertedLoopState.nonLocalJumps |= 2 /* Break */; + labelMarker = "break"; + } + else { + convertedLoopState.nonLocalJumps |= 4 /* Continue */; + // note: return value is emitted only to simplify debugging, call to converted loop body does not do any dispatching on it. + labelMarker = "continue"; + } + } + else { + if (node.kind === 211 /* BreakStatement */) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); + } + } + var returnExpression = ts.createLiteral(labelMarker); + if (convertedLoopState.loopOutParameters.length) { + var outParams = convertedLoopState.loopOutParameters; + var expr = void 0; + for (var i = 0; i < outParams.length; i++) { + var copyExpr = copyOutParameter(outParams[i], 1 /* ToOutParameter */); + if (i === 0) { + expr = copyExpr; + } + else { + expr = ts.createBinary(expr, 25 /* CommaToken */, copyExpr); + } + } + returnExpression = ts.createBinary(expr, 25 /* CommaToken */, returnExpression); + } + return ts.createReturn(returnExpression); } - // [source] - // a() + (yield) + c() - // - // [intermediate] - // .local _a - // _a = a(); - // .yield resumeLabel - // _a + %sent% + c() - var clone_6 = ts.getMutableClone(node); - clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); - clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); - return clone_6; } return ts.visitEachChild(node, visitor, context); } /** - * Visits a logical binary expression containing `yield`. + * Visits a ClassDeclaration and transforms it into a variable statement. * - * @param node A node to visit. + * @param node A ClassDeclaration node. */ - function visitLogicalBinaryExpression(node) { - // Logical binary expressions (`&&` and `||`) are shortcutting expressions and need - // to be transformed as such: - // - // [source] - // x = a() && yield; - // - // [intermediate] - // .local _a - // _a = a(); - // .brfalse resultLabel, (_a) - // .yield resumeLabel - // .mark resumeLabel - // _a = %sent%; - // .mark resultLabel - // x = _a; - // + function visitClassDeclaration(node) { // [source] - // x = a() || yield; + // class C { } // - // [intermediate] - // .local _a - // _a = a(); - // .brtrue resultLabel, (_a) - // .yield resumeLabel - // .mark resumeLabel - // _a = %sent%; - // .mark resultLabel - // x = _a; - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), /*location*/ node.left); - if (node.operatorToken.kind === 52 /* AmpersandAmpersandToken */) { - // Logical `&&` shortcuts when the left-hand operand is falsey. - emitBreakWhenFalse(resultLabel, resultLocal, /*location*/ node.left); - } - else { - // Logical `||` shortcuts when the left-hand operand is truthy. - emitBreakWhenTrue(resultLabel, resultLocal, /*location*/ node.left); + // [output] + // var C = (function () { + // function C() { + // } + // return C; + // }()); + var modifierFlags = ts.getModifierFlags(node); + var isExported = modifierFlags & 1 /* Export */; + var isDefault = modifierFlags & 512 /* Default */; + // Add an `export` modifier to the statement if needed (for `--target es5 --module es6`) + var modifiers = isExported && !isDefault + ? ts.filter(node.modifiers, isExportModifier) + : undefined; + var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(getDeclarationName(node, /*allowComments*/ true), + /*type*/ undefined, transformClassLikeDeclarationToExpression(node)) + ]), + /*location*/ node); + ts.setOriginalNode(statement, node); + ts.startOnNewLine(statement); + // Add an `export default` statement for default exports (for `--target es5 --module es6`) + if (isExported && isDefault) { + var statements = [statement]; + statements.push(ts.createExportAssignment( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isExportEquals*/ false, getDeclarationName(node, /*allowComments*/ false))); + return statements; } - emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), /*location*/ node.right); - markLabel(resultLabel); - return resultLocal; + return statement; } - /** - * Visits a comma expression containing `yield`. - * - * @param node The node to visit. - */ - function visitCommaExpression(node) { - // [source] - // x = a(), yield, b(); - // - // [intermediate] - // a(); - // .yield resumeLabel - // .mark resumeLabel - // x = %sent%, b(); - var pendingExpressions = []; - visit(node.left); - visit(node.right); - return ts.inlineExpressions(pendingExpressions); - function visit(node) { - if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25 /* CommaToken */) { - visit(node.left); - visit(node.right); - } - else { - if (containsYield(node) && pendingExpressions.length > 0) { - emitWorker(1 /* Statement */, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); - pendingExpressions = []; - } - pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); - } - } + function isExportModifier(node) { + return node.kind === 83 /* ExportKeyword */; } /** - * Visits a conditional expression containing `yield`. + * Visits a ClassExpression and transforms it into an expression. * - * @param node The node to visit. + * @param node A ClassExpression node. */ - function visitConditionalExpression(node) { + function visitClassExpression(node) { // [source] - // x = a() ? yield : b(); + // C = class { } // - // [intermediate] - // .local _a - // .brfalse whenFalseLabel, (a()) - // .yield resumeLabel - // .mark resumeLabel - // _a = %sent%; - // .br resultLabel - // .mark whenFalseLabel - // _a = b(); - // .mark resultLabel - // x = _a; - // We only need to perform a specific transformation if a `yield` expression exists - // in either the `whenTrue` or `whenFalse` branches. - // A `yield` in the condition will be handled by the normal visitor. - if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { - var whenFalseLabel = defineLabel(); - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), /*location*/ node.condition); - emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), /*location*/ node.whenTrue); - emitBreak(resultLabel); - markLabel(whenFalseLabel); - emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), /*location*/ node.whenFalse); - markLabel(resultLabel); - return resultLocal; - } - return ts.visitEachChild(node, visitor, context); + // [output] + // C = (function () { + // function class_1() { + // } + // return class_1; + // }()) + return transformClassLikeDeclarationToExpression(node); } /** - * Visits a `yield` expression. + * Transforms a ClassExpression or ClassDeclaration into an expression. * - * @param node The node to visit. + * @param node A ClassExpression or ClassDeclaration node. */ - function visitYieldExpression(node) { + function transformClassLikeDeclarationToExpression(node) { // [source] - // x = yield a(); + // class C extends D { + // constructor() {} + // method() {} + // get prop() {} + // set prop(v) {} + // } // - // [intermediate] - // .yield resumeLabel, (a()) - // .mark resumeLabel - // x = %sent%; - // NOTE: we are explicitly not handling YieldStar at this time. - var resumeLabel = defineLabel(); - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - if (node.asteriskToken) { - emitYieldStar(expression, /*location*/ node); + // [output] + // (function (_super) { + // __extends(C, _super); + // function C() { + // } + // C.prototype.method = function () {} + // Object.defineProperty(C.prototype, "prop", { + // get: function() {}, + // set: function() {}, + // enumerable: true, + // configurable: true + // }); + // return C; + // }(D)) + if (node.name) { + enableSubstitutionsForBlockScopedBindings(); } - else { - emitYield(expression, /*location*/ node); + var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); + var classFunction = ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], + /*type*/ undefined, transformClassBody(node, extendsClauseElement)); + // To preserve the behavior of the old emitter, we explicitly indent + // the body of the function here if it was requested in an earlier + // transformation. + if (ts.getEmitFlags(node) & 524288 /* Indented */) { + ts.setEmitFlags(classFunction, 524288 /* Indented */); } - markLabel(resumeLabel); - return createGeneratorResume(); + // "inner" and "outer" below are added purely to preserve source map locations from + // the old emitter + var inner = ts.createPartiallyEmittedExpression(classFunction); + inner.end = node.end; + ts.setEmitFlags(inner, 49152 /* NoComments */); + var outer = ts.createPartiallyEmittedExpression(inner); + outer.end = ts.skipTrivia(currentText, node.pos); + ts.setEmitFlags(outer, 49152 /* NoComments */); + return ts.createParen(ts.createCall(outer, + /*typeArguments*/ undefined, extendsClauseElement + ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] + : [])); } /** - * Visits an ArrayLiteralExpression that contains a YieldExpression. + * Transforms a ClassExpression or ClassDeclaration into a function body. * - * @param node The node to visit. + * @param node A ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. */ - function visitArrayLiteralExpression(node) { - return visitElements(node.elements, node.multiLine); + function transformClassBody(node, extendsClauseElement) { + var statements = []; + startLexicalEnvironment(); + addExtendsHelperIfNeeded(statements, node, extendsClauseElement); + addConstructor(statements, node, extendsClauseElement); + addClassMembers(statements, node); + // Create a synthetic text range for the return statement. + var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17 /* CloseBraceToken */); + var localName = getLocalName(node); + // The following partially-emitted expression exists purely to align our sourcemap + // emit with the original emitter. + var outer = ts.createPartiallyEmittedExpression(localName); + outer.end = closingBraceLocation.end; + ts.setEmitFlags(outer, 49152 /* NoComments */); + var statement = ts.createReturn(outer); + statement.pos = closingBraceLocation.pos; + ts.setEmitFlags(statement, 49152 /* NoComments */ | 12288 /* NoTokenSourceMaps */); + statements.push(statement); + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, /*location*/ node.members), /*location*/ undefined, /*multiLine*/ true); + ts.setEmitFlags(block, 49152 /* NoComments */); + return block; } /** - * Visits an array of expressions containing one or more YieldExpression nodes - * and returns an expression for the resulting value. + * Adds a call to the `__extends` helper if needed for a class. * - * @param elements The elements to visit. - * @param multiLine Whether array literals created should be emitted on multiple lines. + * @param statements The statements of the class body function. + * @param node The ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. */ - function visitElements(elements, _multiLine) { - // [source] - // ar = [1, yield, 2]; - // - // [intermediate] - // .local _a - // _a = [1]; - // .yield resumeLabel - // .mark resumeLabel - // ar = _a.concat([%sent%, 2]); - var numInitialElements = countInitialNodesWithoutYield(elements); - var temp = declareLocal(); - var hasAssignedTemp = false; - if (numInitialElements > 0) { - emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); - hasAssignedTemp = true; - } - var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); - return hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions); - function reduceElement(expressions, element) { - if (containsYield(element) && expressions.length > 0) { - emitAssignment(temp, hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions)); - hasAssignedTemp = true; - expressions = []; - } - expressions.push(ts.visitNode(element, visitor, ts.isExpression)); - return expressions; - } - } - function visitObjectLiteralExpression(node) { - // [source] - // o = { - // a: 1, - // b: yield, - // c: 2 - // }; - // - // [intermediate] - // .local _a - // _a = { - // a: 1 - // }; - // .yield resumeLabel - // .mark resumeLabel - // o = (_a.b = %sent%, - // _a.c = 2, - // _a); - var properties = node.properties; - var multiLine = node.multiLine; - var numInitialProperties = countInitialNodesWithoutYield(properties); - var temp = declareLocal(); - emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), - /*location*/ undefined, multiLine)); - var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); - expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); - function reduceProperty(expressions, property) { - if (containsYield(property) && expressions.length > 0) { - emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); - expressions = []; - } - var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); - var visited = ts.visitNode(expression, visitor, ts.isExpression); - if (visited) { - if (multiLine) { - visited.startsOnNewLine = true; - } - expressions.push(visited); - } - return expressions; + function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { + if (extendsClauseElement) { + statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), + /*location*/ extendsClauseElement)); } } /** - * Visits an ElementAccessExpression that contains a YieldExpression. + * Adds the constructor of the class to a class body function. * - * @param node The node to visit. + * @param statements The statements of the class body function. + * @param node The ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. */ - function visitElementAccessExpression(node) { - if (containsYield(node.argumentExpression)) { - // [source] - // a = x[yield]; - // - // [intermediate] - // .local _a - // _a = x; - // .yield resumeLabel - // .mark resumeLabel - // a = _a[%sent%] - var clone_7 = ts.getMutableClone(node); - clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); - clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); - return clone_7; - } - return ts.visitEachChild(node, visitor, context); - } - function visitCallExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - // [source] - // a.b(1, yield, 2); - // - // [intermediate] - // .local _a, _b, _c - // _b = (_a = a).b; - // _c = [1]; - // .yield resumeLabel - // .mark resumeLabel - // _b.apply(_a, _c.concat([%sent%, 2])); - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, /*cacheIdentifiers*/ true), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), - /*location*/ node), node); - } - return ts.visitEachChild(node, visitor, context); - } - function visitNewExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - // [source] - // new a.b(1, yield, 2); - // - // [intermediate] - // .local _a, _b, _c - // _b = (_a = a.b).bind; - // _c = [1]; - // .yield resumeLabel - // .mark resumeLabel - // new (_b.apply(_a, _c.concat([%sent%, 2]))); - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), - /*typeArguments*/ undefined, [], - /*location*/ node), node); + function addConstructor(statements, node, extendsClauseElement) { + var constructor = ts.getFirstConstructorWithBody(node); + var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); + var constructorFunction = ts.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, getDeclarationName(node), + /*typeParameters*/ undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), + /*type*/ undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), + /*location*/ constructor || node); + if (extendsClauseElement) { + ts.setEmitFlags(constructorFunction, 256 /* CapturesThis */); } - return ts.visitEachChild(node, visitor, context); + statements.push(constructorFunction); } - function transformAndEmitStatements(statements, start) { - if (start === void 0) { start = 0; } - var numStatements = statements.length; - for (var i = start; i < numStatements; i++) { - transformAndEmitStatement(statements[i]); + /** + * Transforms the parameters of the constructor declaration of a class. + * + * @param constructor The constructor for the class. + * @param hasSynthesizedSuper A value indicating whether the constructor starts with a + * synthesized `super` call. + */ + function transformConstructorParameters(constructor, hasSynthesizedSuper) { + // If the TypeScript transformer needed to synthesize a constructor for property + // initializers, it would have also added a synthetic `...args` parameter and + // `super` call. + // If this is the case, we do not include the synthetic `...args` parameter and + // will instead use the `arguments` object in ES5/3. + if (constructor && !hasSynthesizedSuper) { + return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); } + return []; } - function transformAndEmitEmbeddedStatement(node) { - if (ts.isBlock(node)) { - transformAndEmitStatements(node.statements); - } - else { - transformAndEmitStatement(node); + /** + * Transforms the body of a constructor declaration of a class. + * + * @param constructor The constructor for the class. + * @param node The node which contains the constructor. + * @param extendsClauseElement The expression for the class `extends` clause. + * @param hasSynthesizedSuper A value indicating whether the constructor starts with a + * synthesized `super` call. + */ + function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { + var statements = []; + startLexicalEnvironment(); + var statementOffset = -1; + if (hasSynthesizedSuper) { + // If a super call has already been synthesized, + // we're going to assume that we should just transform everything after that. + // The assumption is that no prior step in the pipeline has added any prologue directives. + statementOffset = 1; } - } - function transformAndEmitStatement(node) { - var savedInStatementContainingYield = inStatementContainingYield; - if (!inStatementContainingYield) { - inStatementContainingYield = containsYield(node); + else if (constructor) { + // Otherwise, try to emit all potential prologue directives first. + statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, /*ensureUseStrict*/ false, visitor); } - transformAndEmitStatementWorker(node); - inStatementContainingYield = savedInStatementContainingYield; - } - function transformAndEmitStatementWorker(node) { - switch (node.kind) { - case 200 /* Block */: - return transformAndEmitBlock(node); - case 203 /* ExpressionStatement */: - return transformAndEmitExpressionStatement(node); - case 204 /* IfStatement */: - return transformAndEmitIfStatement(node); - case 205 /* DoStatement */: - return transformAndEmitDoStatement(node); - case 206 /* WhileStatement */: - return transformAndEmitWhileStatement(node); - case 207 /* ForStatement */: - return transformAndEmitForStatement(node); - case 208 /* ForInStatement */: - return transformAndEmitForInStatement(node); - case 210 /* ContinueStatement */: - return transformAndEmitContinueStatement(node); - case 211 /* BreakStatement */: - return transformAndEmitBreakStatement(node); - case 212 /* ReturnStatement */: - return transformAndEmitReturnStatement(node); - case 213 /* WithStatement */: - return transformAndEmitWithStatement(node); - case 214 /* SwitchStatement */: - return transformAndEmitSwitchStatement(node); - case 215 /* LabeledStatement */: - return transformAndEmitLabeledStatement(node); - case 216 /* ThrowStatement */: - return transformAndEmitThrowStatement(node); - case 217 /* TryStatement */: - return transformAndEmitTryStatement(node); - default: - return emitStatement(ts.visitNode(node, visitor, ts.isStatement, /*optional*/ true)); + if (constructor) { + addDefaultValueAssignmentsIfNeeded(statements, constructor); + addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); + ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); } - } - function transformAndEmitBlock(node) { - if (containsYield(node)) { - transformAndEmitStatements(node.statements); + var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); + // The last statement expression was replaced. Skip it. + if (superCaptureStatus === 1 /* ReplaceSuperCapture */ || superCaptureStatus === 2 /* ReplaceWithReturn */) { + statementOffset++; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + if (constructor) { + var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); }); + ts.addRange(statements, body); } - } - function transformAndEmitExpressionStatement(node) { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } - function transformAndEmitVariableDeclarationList(node) { - for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + // Return `_this` unless we're sure enough that it would be pointless to add a return statement. + // If there's a constructor that we can tell returns in enough places, then we *do not* want to add a return. + if (extendsClauseElement + && superCaptureStatus !== 2 /* ReplaceWithReturn */ + && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { + statements.push(ts.createReturn(ts.createIdentifier("_this"))); } - var variables = ts.getInitializedVariables(node); - var numVariables = variables.length; - var variablesWritten = 0; - var pendingExpressions = []; - while (variablesWritten < numVariables) { - for (var i = variablesWritten; i < numVariables; i++) { - var variable = variables[i]; - if (containsYield(variable.initializer) && pendingExpressions.length > 0) { - break; - } - pendingExpressions.push(transformInitializedVariable(variable)); - } - if (pendingExpressions.length) { - emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); - variablesWritten += pendingExpressions.length; - pendingExpressions = []; - } + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, + /*location*/ constructor ? constructor.body.statements : node.members), + /*location*/ constructor ? constructor.body : node, + /*multiLine*/ true); + if (!constructor) { + ts.setEmitFlags(block, 49152 /* NoComments */); } - return undefined; - } - function transformInitializedVariable(node) { - return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + return block; } - function transformAndEmitIfStatement(node) { - if (containsYield(node)) { - // [source] - // if (x) - // /*thenStatement*/ - // else - // /*elseStatement*/ - // - // [intermediate] - // .brfalse elseLabel, (x) - // /*thenStatement*/ - // .br endLabel - // .mark elseLabel - // /*elseStatement*/ - // .mark endLabel - if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { - var endLabel = defineLabel(); - var elseLabel = node.elseStatement ? defineLabel() : undefined; - emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - emitBreak(endLabel); - markLabel(elseLabel); - transformAndEmitEmbeddedStatement(node.elseStatement); - } - markLabel(endLabel); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + /** + * We want to try to avoid emitting a return statement in certain cases if a user already returned something. + * It would generate obviously dead code, so we'll try to make things a little bit prettier + * by doing a minimal check on whether some common patterns always explicitly return. + */ + function isSufficientlyCoveredByReturnStatements(statement) { + // A return statement is considered covered. + if (statement.kind === 212 /* ReturnStatement */) { + return true; + } + else if (statement.kind === 204 /* IfStatement */) { + var ifStatement = statement; + if (ifStatement.elseStatement) { + return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && + isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); } } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + else if (statement.kind === 200 /* Block */) { + var lastStatement = ts.lastOrUndefined(statement.statements); + if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { + return true; + } } + return false; } - function transformAndEmitDoStatement(node) { - if (containsYield(node)) { - // [source] - // do { - // /*body*/ - // } - // while (i < 10); - // - // [intermediate] - // .loop conditionLabel, endLabel - // .mark loopLabel - // /*body*/ - // .mark conditionLabel - // .brtrue loopLabel, (i < 10) - // .endloop - // .mark endLabel - var conditionLabel = defineLabel(); - var loopLabel = defineLabel(); - beginLoopBlock(/*continueLabel*/ conditionLabel); - markLabel(loopLabel); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(conditionLabel); - emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - endLoopBlock(); + /** + * Declares a `_this` variable for derived classes and for when arrow functions capture `this`. + * + * @returns The new statement offset into the `statements` array. + */ + function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { + // If this isn't a derived class, just capture 'this' for arrow functions if necessary. + if (!hasExtendsClause) { + if (ctor) { + addCaptureThisForNodeIfNeeded(statements, ctor); + } + return 0 /* NoReplacement */; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + // We must be here because the user didn't write a constructor + // but we needed to call 'super(...args)' anyway as per 14.5.14 of the ES2016 spec. + // If that's the case we can just immediately return the result of a 'super()' call. + if (!ctor) { + statements.push(ts.createReturn(createDefaultSuperCallOrThis())); + return 2 /* ReplaceWithReturn */; } - } - function visitDoStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + // The constructor exists, but it and the 'super()' call it contains were generated + // for something like property initializers. + // Create a captured '_this' variable and assume it will subsequently be used. + if (hasSynthesizedSuper) { + captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); + enableSubstitutionsForCapturedThis(); + return 1 /* ReplaceSuperCapture */; } - else { - return ts.visitEachChild(node, visitor, context); + // Most of the time, a 'super' call will be the first real statement in a constructor body. + // In these cases, we'd like to transform these into a *single* statement instead of a declaration + // followed by an assignment statement for '_this'. For instance, if we emitted without an initializer, + // we'd get: + // + // var _this; + // _this = _super.call(...) || this; + // + // instead of + // + // var _this = _super.call(...) || this; + // + // Additionally, if the 'super()' call is the last statement, we should just avoid capturing + // entirely and immediately return the result like so: + // + // return _super.call(...) || this; + // + var firstStatement; + var superCallExpression; + var ctorStatements = ctor.body.statements; + if (statementOffset < ctorStatements.length) { + firstStatement = ctorStatements[statementOffset]; + if (firstStatement.kind === 203 /* ExpressionStatement */ && ts.isSuperCall(firstStatement.expression)) { + var superCall = firstStatement.expression; + superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + } } - } - function transformAndEmitWhileStatement(node) { - if (containsYield(node)) { - // [source] - // while (i < 10) { - // /*body*/ - // } - // - // [intermediate] - // .loop loopLabel, endLabel - // .mark loopLabel - // .brfalse endLabel, (i < 10) - // /*body*/ - // .br loopLabel - // .endloop - // .mark endLabel - var loopLabel = defineLabel(); - var endLabel = beginLoopBlock(loopLabel); - markLabel(loopLabel); - emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.statement); - emitBreak(loopLabel); - endLoopBlock(); + // Return the result if we have an immediate super() call on the last statement. + if (superCallExpression && statementOffset === ctorStatements.length - 1) { + statements.push(ts.createReturn(superCallExpression)); + return 2 /* ReplaceWithReturn */; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + // Perform the capture. + captureThisForNode(statements, ctor, superCallExpression, firstStatement); + // If we're actually replacing the original statement, we need to signal this to the caller. + if (superCallExpression) { + return 1 /* ReplaceSuperCapture */; } + return 0 /* NoReplacement */; } - function visitWhileStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + function createDefaultSuperCallOrThis() { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); + var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); + return ts.createLogicalOr(superCall, actualThis); + } + /** + * Visits a parameter declaration. + * + * @param node A ParameterDeclaration node. + */ + function visitParameter(node) { + if (node.dotDotDotToken) { + // rest parameters are elided + return undefined; + } + else if (ts.isBindingPattern(node.name)) { + // Binding patterns are converted into a generated name and are + // evaluated inside the function body. + return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), + /*initializer*/ undefined, + /*location*/ node), + /*original*/ node); + } + else if (node.initializer) { + // Initializers are elided + return ts.setOriginalNode(ts.createParameter(node.name, + /*initializer*/ undefined, + /*location*/ node), + /*original*/ node); } else { - return ts.visitEachChild(node, visitor, context); + return node; } } - function transformAndEmitForStatement(node) { - if (containsYield(node)) { - // [source] - // for (var i = 0; i < 10; i++) { - // /*body*/ - // } - // - // [intermediate] - // .local i - // i = 0; - // .loop incrementLabel, endLoopLabel - // .mark conditionLabel - // .brfalse endLoopLabel, (i < 10) - // /*body*/ - // .mark incrementLabel - // i++; - // .br conditionLabel - // .endloop - // .mark endLoopLabel - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - if (node.initializer) { - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - transformAndEmitVariableDeclarationList(initializer); - } - else { - emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), - /*location*/ initializer)); - } + /** + * Gets a value indicating whether we need to add default value assignments for a + * function-like node. + * + * @param node A function-like node. + */ + function shouldAddDefaultValueAssignments(node) { + return (node.transformFlags & 262144 /* ContainsDefaultValueAssignments */) !== 0; + } + /** + * Adds statements to the body of a function-like node if it contains parameters with + * binding patterns or initializers. + * + * @param statements The statements for the new function body. + * @param node A function-like node. + */ + function addDefaultValueAssignmentsIfNeeded(statements, node) { + if (!shouldAddDefaultValueAssignments(node)) { + return; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + var name_37 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; + // A rest parameter cannot have a binding pattern or an initializer, + // so let's just ignore it. + if (dotDotDotToken) { + continue; } - markLabel(conditionLabel); - if (node.condition) { - emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + if (ts.isBindingPattern(name_37)) { + addDefaultValueAssignmentForBindingPattern(statements, parameter, name_37, initializer); } - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - if (node.incrementor) { - emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), - /*location*/ node.incrementor)); + else if (initializer) { + addDefaultValueAssignmentForInitializer(statements, parameter, name_37, initializer); } - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitForStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); + /** + * Adds statements to the body of a function-like node for parameters with binding patterns + * + * @param statements The statements for the new function body. + * @param parameter The parameter for the function. + * @param name The name of the parameter. + * @param initializer The initializer for the parameter. + */ + function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { + var temp = ts.getGeneratedNameForNode(parameter); + // In cases where a binding pattern is simply '[]' or '{}', + // we usually don't want to emit a var declaration; however, in the presence + // of an initializer, we must emit that expression to preserve side effects. + if (name.elements.length > 0) { + statements.push(ts.setEmitFlags(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608 /* CustomPrologue */)); } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - var variables = ts.getInitializedVariables(initializer); - node = ts.updateFor(node, variables.length > 0 - ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) - : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.incrementor, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); + else if (initializer) { + statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608 /* CustomPrologue */)); } - else { - node = ts.visitEachChild(node, visitor, context); + } + /** + * Adds statements to the body of a function-like node for parameters with initializers. + * + * @param statements The statements for the new function body. + * @param parameter The parameter for the function. + * @param name The name of the parameter. + * @param initializer The initializer for the parameter. + */ + function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { + initializer = ts.visitNode(initializer, visitor, ts.isExpression); + var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ + ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536 /* NoSourceMap */), ts.setEmitFlags(initializer, 1536 /* NoSourceMap */ | ts.getEmitFlags(initializer)), + /*location*/ parameter)) + ], /*location*/ parameter), 32 /* SingleLine */ | 1024 /* NoTrailingSourceMap */ | 12288 /* NoTokenSourceMaps */), + /*elseStatement*/ undefined, + /*location*/ parameter); + statement.startsOnNewLine = true; + ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 8388608 /* CustomPrologue */); + statements.push(statement); + } + /** + * Gets a value indicating whether we need to add statements to handle a rest parameter. + * + * @param node A ParameterDeclaration node. + * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is + * part of a constructor declaration with a + * synthesized call to `super` + */ + function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { + return node && node.dotDotDotToken && node.name.kind === 70 /* Identifier */ && !inConstructorWithSynthesizedSuper; + } + /** + * Adds statements to the body of a function-like node if it contains a rest parameter. + * + * @param statements The statements for the new function body. + * @param node A function-like node. + * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is + * part of a constructor declaration with a + * synthesized call to `super` + */ + function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { + var parameter = ts.lastOrUndefined(node.parameters); + if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { + return; } - if (inStatementContainingYield) { - endLoopBlock(); + // `declarationName` is the name of the local declaration for the parameter. + var declarationName = ts.getMutableClone(parameter.name); + ts.setEmitFlags(declarationName, 1536 /* NoSourceMap */); + // `expressionName` is the name of the parameter used in expressions. + var expressionName = ts.getSynthesizedClone(parameter.name); + var restIndex = node.parameters.length - 1; + var temp = ts.createLoopVariable(); + // var param = []; + statements.push(ts.setEmitFlags(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(declarationName, + /*type*/ undefined, ts.createArrayLiteral([])) + ]), + /*location*/ parameter), 8388608 /* CustomPrologue */)); + // for (var _i = restIndex; _i < arguments.length; _i++) { + // param[_i - restIndex] = arguments[_i]; + // } + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(temp, /*type*/ undefined, ts.createLiteral(restIndex)) + ], /*location*/ parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), + /*location*/ parameter), ts.createPostfixIncrement(temp, /*location*/ parameter), ts.createBlock([ + ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), + /*location*/ parameter)) + ])); + ts.setEmitFlags(forStatement, 8388608 /* CustomPrologue */); + ts.startOnNewLine(forStatement); + statements.push(forStatement); + } + /** + * Adds a statement to capture the `this` of a function declaration if it is needed. + * + * @param statements The statements for the new function body. + * @param node A node. + */ + function addCaptureThisForNodeIfNeeded(statements, node) { + if (node.transformFlags & 65536 /* ContainsCapturedLexicalThis */ && node.kind !== 181 /* ArrowFunction */) { + captureThisForNode(statements, node, ts.createThis()); } - return node; } - function transformAndEmitForInStatement(node) { - // TODO(rbuckton): Source map locations - if (containsYield(node)) { - // [source] - // for (var p in o) { - // /*body*/ - // } - // - // [intermediate] - // .local _a, _b, _i - // _a = []; - // for (_b in o) _a.push(_b); - // _i = 0; - // .loop incrementLabel, endLoopLabel - // .mark conditionLabel - // .brfalse endLoopLabel, (_i < _a.length) - // p = _a[_i]; - // /*body*/ - // .mark incrementLabel - // _b++; - // .br conditionLabel - // .endloop - // .mark endLoopLabel - var keysArray = declareLocal(); // _a - var key = declareLocal(); // _b - var keysIndex = ts.createLoopVariable(); // _i - var initializer = node.initializer; - hoistVariableDeclaration(keysIndex); - emitAssignment(keysArray, ts.createArrayLiteral()); - emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), - /*typeArguments*/ undefined, [key])))); - emitAssignment(keysIndex, ts.createLiteral(0)); - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - markLabel(conditionLabel); - emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); - var variable = void 0; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable_1 = _a[_i]; - hoistVariableDeclaration(variable_1.name); - } - variable = ts.getSynthesizedClone(initializer.declarations[0].name); - } - else { - variable = ts.visitNode(initializer, visitor, ts.isExpression); - ts.Debug.assert(ts.isLeftHandSideExpression(variable)); + function captureThisForNode(statements, node, initializer, originalStatement) { + enableSubstitutionsForCapturedThis(); + var captureThisStatement = ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("_this", + /*type*/ undefined, initializer) + ]), originalStatement); + ts.setEmitFlags(captureThisStatement, 49152 /* NoComments */ | 8388608 /* CustomPrologue */); + ts.setSourceMapRange(captureThisStatement, node); + statements.push(captureThisStatement); + } + /** + * Adds statements to the class body function for a class to define the members of the + * class. + * + * @param statements The statements for the class body function. + * @param node The ClassExpression or ClassDeclaration node. + */ + function addClassMembers(statements, node) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + switch (member.kind) { + case 199 /* SemicolonClassElement */: + statements.push(transformSemicolonClassElementToStatement(member)); + break; + case 148 /* MethodDeclaration */: + statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); + break; + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); + } + break; + case 149 /* Constructor */: + // Constructors are handled in visitClassExpression/visitClassDeclaration + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } - emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitForInStatement(node) { - // [source] - // for (var x in a) { - // /*body*/ - // } - // - // [intermediate] - // .local x - // .loop - // for (x in a) { - // /*body*/ - // } - // .endloop - if (inStatementContainingYield) { - beginScriptLoopBlock(); - } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); + /** + * Transforms a SemicolonClassElement into a statement for a class body function. + * + * @param member The SemicolonClassElement node. + */ + function transformSemicolonClassElementToStatement(member) { + return ts.createEmptyStatement(/*location*/ member); + } + /** + * Transforms a MethodDeclaration into a statement for a class body function. + * + * @param receiver The receiver for the member. + * @param member The MethodDeclaration node. + */ + function transformClassMethodDeclarationToStatement(receiver, member) { + var commentRange = ts.getCommentRange(member); + var sourceMapRange = ts.getSourceMapRange(member); + var func = transformFunctionLikeToExpression(member, /*location*/ member, /*name*/ undefined); + ts.setEmitFlags(func, 49152 /* NoComments */); + ts.setSourceMapRange(func, sourceMapRange); + var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), + /*location*/ member.name), func), + /*location*/ member); + ts.setOriginalNode(statement, member); + ts.setCommentRange(statement, commentRange); + // The location for the statement is used to emit comments only. + // No source map should be emitted for this statement to align with the + // old emitter. + ts.setEmitFlags(statement, 1536 /* NoSourceMap */); + return statement; + } + /** + * Transforms a set of related of get/set accessors into a statement for a class body function. + * + * @param receiver The receiver for the member. + * @param accessors The set of related get/set accessors. + */ + function transformAccessorsToStatement(receiver, accessors) { + var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, /*startsOnNewLine*/ false), + /*location*/ ts.getSourceMapRange(accessors.firstAccessor)); + // The location for the statement is used to emit source maps only. + // No comments should be emitted for this statement to align with the + // old emitter. + ts.setEmitFlags(statement, 49152 /* NoComments */); + return statement; + } + /** + * Transforms a set of related get/set accessors into an expression for either a class + * body function or an ObjectLiteralExpression with computed properties. + * + * @param receiver The receiver for the member. + */ + function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { + var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + // To align with source maps in the old emitter, the receiver and property name + // arguments are both mapped contiguously to the accessor name. + var target = ts.getMutableClone(receiver); + ts.setEmitFlags(target, 49152 /* NoComments */ | 1024 /* NoTrailingSourceMap */); + ts.setSourceMapRange(target, firstAccessor.name); + var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); + ts.setEmitFlags(propertyName, 49152 /* NoComments */ | 512 /* NoLeadingSourceMap */); + ts.setSourceMapRange(propertyName, firstAccessor.name); + var properties = []; + if (getAccessor) { + var getterFunction = transformFunctionLikeToExpression(getAccessor, /*location*/ undefined, /*name*/ undefined); + ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); + ts.setEmitFlags(getterFunction, 16384 /* NoLeadingComments */); + var getter = ts.createPropertyAssignment("get", getterFunction); + ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); + properties.push(getter); } - else { - node = ts.visitEachChild(node, visitor, context); + if (setAccessor) { + var setterFunction = transformFunctionLikeToExpression(setAccessor, /*location*/ undefined, /*name*/ undefined); + ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); + ts.setEmitFlags(setterFunction, 16384 /* NoLeadingComments */); + var setter = ts.createPropertyAssignment("set", setterFunction); + ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); + properties.push(setter); } - if (inStatementContainingYield) { - endLoopBlock(); + properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); + var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), + /*typeArguments*/ undefined, [ + target, + propertyName, + ts.createObjectLiteral(properties, /*location*/ undefined, /*multiLine*/ true) + ]); + if (startsOnNewLine) { + call.startsOnNewLine = true; } - return node; - } - function transformAndEmitContinueStatement(node) { - var label = findContinueTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); - emitBreak(label, /*location*/ node); + return call; } - function visitContinueStatement(node) { - if (inStatementContainingYield) { - var label = findContinueTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, /*location*/ node); - } + /** + * Visits an ArrowFunction and transforms it into a FunctionExpression. + * + * @param node An ArrowFunction node. + */ + function visitArrowFunction(node) { + if (node.transformFlags & 32768 /* ContainsLexicalThis */) { + enableSubstitutionsForCapturedThis(); } - return ts.visitEachChild(node, visitor, context); - } - function transformAndEmitBreakStatement(node) { - var label = findBreakTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); - emitBreak(label, /*location*/ node); + var func = transformFunctionLikeToExpression(node, /*location*/ node, /*name*/ undefined); + ts.setEmitFlags(func, 256 /* CapturesThis */); + return func; } - function visitBreakStatement(node) { - if (inStatementContainingYield) { - var label = findBreakTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, /*location*/ node); - } - } - return ts.visitEachChild(node, visitor, context); + /** + * Visits a FunctionExpression node. + * + * @param node a FunctionExpression node. + */ + function visitFunctionExpression(node) { + return transformFunctionLikeToExpression(node, /*location*/ node, node.name); } - function transformAndEmitReturnStatement(node) { - emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), - /*location*/ node); + /** + * Visits a FunctionDeclaration node. + * + * @param node a FunctionDeclaration node. + */ + function visitFunctionDeclaration(node) { + return ts.setOriginalNode(ts.createFunctionDeclaration( + /*decorators*/ undefined, node.modifiers, node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node), + /*original*/ node); } - function visitReturnStatement(node) { - return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), - /*location*/ node); + /** + * Transforms a function-like node into a FunctionExpression. + * + * @param node The function-like node to transform. + * @param location The source-map location for the new FunctionExpression. + * @param name The name of the new FunctionExpression. + */ + function transformFunctionLikeToExpression(node, location, name) { + var savedContainingNonArrowFunction = enclosingNonArrowFunction; + if (node.kind !== 181 /* ArrowFunction */) { + enclosingNonArrowFunction = node; + } + var expression = ts.setOriginalNode(ts.createFunctionExpression( + /*modifiers*/ undefined, node.asteriskToken, name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, saveStateAndInvoke(node, transformFunctionBody), location), + /*original*/ node); + enclosingNonArrowFunction = savedContainingNonArrowFunction; + return expression; } - function transformAndEmitWithStatement(node) { - if (containsYield(node)) { - // [source] - // with (x) { - // /*body*/ - // } - // - // [intermediate] - // .with (x) - // /*body*/ - // .endwith - beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); - transformAndEmitEmbeddedStatement(node.statement); - endWithBlock(); + /** + * Transforms the body of a function-like node. + * + * @param node A function-like node. + */ + function transformFunctionBody(node) { + var multiLine = false; // indicates whether the block *must* be emitted as multiple lines + var singleLine = false; // indicates whether the block *may* be emitted as a single line + var statementsLocation; + var closeBraceLocation; + var statements = []; + var body = node.body; + var statementOffset; + startLexicalEnvironment(); + if (ts.isBlock(body)) { + // ensureUseStrict is false because no new prologue-directive should be added. + // addPrologueDirectives will simply put already-existing directives at the beginning of the target statement-array + statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + addCaptureThisForNodeIfNeeded(statements, node); + addDefaultValueAssignmentsIfNeeded(statements, node); + addRestParameterIfNeeded(statements, node, /*inConstructorWithSynthesizedSuper*/ false); + // If we added any generated statements, this must be a multi-line block. + if (!multiLine && statements.length > 0) { + multiLine = true; } - } - function transformAndEmitSwitchStatement(node) { - if (containsYield(node.caseBlock)) { - // [source] - // switch (x) { - // case a: - // /*caseStatements*/ - // case b: - // /*caseStatements*/ - // default: - // /*defaultStatements*/ - // } - // - // [intermediate] - // .local _a - // .switch endLabel - // _a = x; - // switch (_a) { - // case a: - // .br clauseLabels[0] - // } - // switch (_a) { - // case b: - // .br clauseLabels[1] - // } - // .br clauseLabels[2] - // .mark clauseLabels[0] - // /*caseStatements*/ - // .mark clauseLabels[1] - // /*caseStatements*/ - // .mark clauseLabels[2] - // /*caseStatements*/ - // .endswitch - // .mark endLabel - var caseBlock = node.caseBlock; - var numClauses = caseBlock.clauses.length; - var endLabel = beginSwitchBlock(); - var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); - // Create labels for each clause and find the index of the first default clause. - var clauseLabels = []; - var defaultClauseIndex = -1; - for (var i = 0; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - clauseLabels.push(defineLabel()); - if (clause.kind === 250 /* DefaultClause */ && defaultClauseIndex === -1) { - defaultClauseIndex = i; - } + if (ts.isBlock(body)) { + statementsLocation = body.statements; + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); + // If the original body was a multi-line block, this must be a multi-line block. + if (!multiLine && body.multiLine) { + multiLine = true; } - // Emit switch statements for each run of case clauses either from the first case - // clause or the next case clause with a `yield` in its expression, up to the next - // case clause with a `yield` in its expression. - var clausesWritten = 0; - var pendingClauses = []; - while (clausesWritten < numClauses) { - var defaultClausesSkipped = 0; - for (var i = clausesWritten; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - if (clause.kind === 249 /* CaseClause */) { - var caseClause = clause; - if (containsYield(caseClause.expression) && pendingClauses.length > 0) { - break; - } - pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ - createInlineBreak(clauseLabels[i], /*location*/ caseClause.expression) - ])); - } - else { - defaultClausesSkipped++; - } - } - if (pendingClauses.length) { - emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); - clausesWritten += pendingClauses.length; - pendingClauses = []; + } + else { + ts.Debug.assert(node.kind === 181 /* ArrowFunction */); + // To align with the old emitter, we use a synthetic end position on the location + // for the statement list we synthesize when we down-level an arrow function with + // an expression function body. This prevents both comments and source maps from + // being emitted for the end position only. + statementsLocation = ts.moveRangeEnd(body, -1); + var equalsGreaterThanToken = node.equalsGreaterThanToken; + if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { + if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { + singleLine = true; } - if (defaultClausesSkipped > 0) { - clausesWritten += defaultClausesSkipped; - defaultClausesSkipped = 0; + else { + multiLine = true; } } - if (defaultClauseIndex >= 0) { - emitBreak(clauseLabels[defaultClauseIndex]); - } - else { - emitBreak(endLabel); - } - for (var i = 0; i < numClauses; i++) { - markLabel(clauseLabels[i]); - transformAndEmitStatements(caseBlock.clauses[i].statements); - } - endSwitchBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } - } - function visitSwitchStatement(node) { - if (inStatementContainingYield) { - beginScriptSwitchBlock(); - } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endSwitchBlock(); - } - return node; - } - function transformAndEmitLabeledStatement(node) { - if (containsYield(node)) { - // [source] - // x: { - // /*body*/ - // } - // - // [intermediate] - // .labeled "x", endLabel - // /*body*/ - // .endlabeled - // .mark endLabel - beginLabeledBlock(node.label.text); - transformAndEmitEmbeddedStatement(node.statement); - endLabeledBlock(); + var expression = ts.visitNode(body, visitor, ts.isExpression); + var returnStatement = ts.createReturn(expression, /*location*/ body); + ts.setEmitFlags(returnStatement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 32768 /* NoTrailingComments */); + statements.push(returnStatement); + // To align with the source map emit for the old emitter, we set a custom + // source map location for the close brace. + closeBraceLocation = body; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + var lexicalEnvironment = endLexicalEnvironment(); + ts.addRange(statements, lexicalEnvironment); + // If we added any final generated statements, this must be a multi-line block + if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { + multiLine = true; } - } - function visitLabeledStatement(node) { - if (inStatementContainingYield) { - beginScriptLabeledBlock(node.label.text); + var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); + if (!multiLine && singleLine) { + ts.setEmitFlags(block, 32 /* SingleLine */); } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endLabeledBlock(); + if (closeBraceLocation) { + ts.setTokenSourceMapRange(block, 17 /* CloseBraceToken */, closeBraceLocation); } - return node; - } - function transformAndEmitThrowStatement(node) { - emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), - /*location*/ node); + ts.setOriginalNode(block, node.body); + return block; } - function transformAndEmitTryStatement(node) { - if (containsYield(node)) { - // [source] - // try { - // /*tryBlock*/ - // } - // catch (e) { - // /*catchBlock*/ - // } - // finally { - // /*finallyBlock*/ - // } - // - // [intermediate] - // .local _a - // .try tryLabel, catchLabel, finallyLabel, endLabel - // .mark tryLabel - // .nop - // /*tryBlock*/ - // .br endLabel - // .catch - // .mark catchLabel - // _a = %error%; - // /*catchBlock*/ - // .br endLabel - // .finally - // .mark finallyLabel - // /*finallyBlock*/ - // .endfinally - // .endtry - // .mark endLabel - beginExceptionBlock(); - transformAndEmitEmbeddedStatement(node.tryBlock); - if (node.catchClause) { - beginCatchBlock(node.catchClause.variableDeclaration); - transformAndEmitEmbeddedStatement(node.catchClause.block); - } - if (node.finallyBlock) { - beginFinallyBlock(); - transformAndEmitEmbeddedStatement(node.finallyBlock); - } - endExceptionBlock(); - } - else { - emitStatement(ts.visitEachChild(node, visitor, context)); + /** + * Visits an ExpressionStatement that contains a destructuring assignment. + * + * @param node An ExpressionStatement node. + */ + function visitExpressionStatement(node) { + // If we are here it is most likely because our expression is a destructuring assignment. + switch (node.expression.kind) { + case 179 /* ParenthesizedExpression */: + return ts.updateStatement(node, visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ false)); + case 188 /* BinaryExpression */: + return ts.updateStatement(node, visitBinaryExpression(node.expression, /*needsDestructuringValue*/ false)); } + return ts.visitEachChild(node, visitor, context); } - function containsYield(node) { - return node && (node.transformFlags & 16777216 /* ContainsYield */) !== 0; - } - function countInitialNodesWithoutYield(nodes) { - var numNodes = nodes.length; - for (var i = 0; i < numNodes; i++) { - if (containsYield(nodes[i])) { - return i; + /** + * Visits a ParenthesizedExpression that may contain a destructuring assignment. + * + * @param node A ParenthesizedExpression node. + * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs + * of a destructuring assignment. + */ + function visitParenthesizedExpression(node, needsDestructuringValue) { + // If we are here it is most likely because our expression is a destructuring assignment. + if (needsDestructuringValue) { + switch (node.expression.kind) { + case 179 /* ParenthesizedExpression */: + return ts.createParen(visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ true), + /*location*/ node); + case 188 /* BinaryExpression */: + return ts.createParen(visitBinaryExpression(node.expression, /*needsDestructuringValue*/ true), + /*location*/ node); } } - return -1; - } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); - } - return node; + return ts.visitEachChild(node, visitor, context); } - function substituteExpression(node) { - if (ts.isIdentifier(node)) { - return substituteExpressionIdentifier(node); - } - return node; + /** + * Visits a BinaryExpression that contains a destructuring assignment. + * + * @param node A BinaryExpression node. + * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs + * of a destructuring assignment. + */ + function visitBinaryExpression(node, needsDestructuringValue) { + // If we are here it is because this is a destructuring assignment. + ts.Debug.assert(ts.isDestructuringAssignment(node)); + return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); } - function substituteExpressionIdentifier(node) { - if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { - var original = ts.getOriginalNode(node); - if (ts.isIdentifier(original) && original.parent) { - var declaration = resolver.getReferencedValueDeclaration(original); - if (declaration) { - var name_34 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); - if (name_34) { - var clone_8 = ts.getMutableClone(name_34); - ts.setSourceMapRange(clone_8, node); - ts.setCommentRange(clone_8, node); - return clone_8; + function visitVariableStatement(node) { + if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3 /* BlockScoped */) == 0) { + // we are inside a converted loop - hoist variable declarations + var assignments = void 0; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); + if (decl.initializer) { + var assignment = void 0; + if (ts.isBindingPattern(decl.name)) { + assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, /*nameSubstitution*/ undefined, visitor); + } + else { + assignment = ts.createBinary(decl.name, 57 /* EqualsToken */, ts.visitNode(decl.initializer, visitor, ts.isExpression)); } + (assignments || (assignments = [])).push(assignment); } } - } - return node; - } - function cacheExpression(node) { - var temp; - if (ts.isGeneratedIdentifier(node)) { - return node; - } - temp = ts.createTempVariable(hoistVariableDeclaration); - emitAssignment(temp, node, /*location*/ node); - return temp; - } - function declareLocal(name) { - var temp = name - ? ts.createUniqueName(name) - : ts.createTempVariable(/*recordTempVariable*/ undefined); - hoistVariableDeclaration(temp); - return temp; + if (assignments) { + return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25 /* CommaToken */, acc); }), node); + } + else { + // none of declarations has initializer - the entire variable statement can be deleted + return undefined; + } + } + return ts.visitEachChild(node, visitor, context); } /** - * Defines a label, uses as the target of a Break operation. + * Visits a VariableDeclarationList that is block scoped (e.g. `let` or `const`). + * + * @param node A VariableDeclarationList node. */ - function defineLabel() { - if (!labelOffsets) { - labelOffsets = []; + function visitVariableDeclarationList(node) { + if (node.flags & 3 /* BlockScoped */) { + enableSubstitutionsForBlockScopedBindings(); } - var label = nextLabelId; - nextLabelId++; - labelOffsets[label] = -1; - return label; + var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 /* Let */ + ? visitVariableDeclarationInLetDeclarationList + : visitVariableDeclaration)); + var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ node); + ts.setOriginalNode(declarationList, node); + ts.setCommentRange(declarationList, node); + if (node.transformFlags & 8388608 /* ContainsBindingPattern */ + && (ts.isBindingPattern(node.declarations[0].name) + || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { + // If the first or last declaration is a binding pattern, we need to modify + // the source map range for the declaration list. + var firstDeclaration = ts.firstOrUndefined(declarations); + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + } + return declarationList; } /** - * Marks the current operation with the specified label. + * Gets a value indicating whether we should emit an explicit initializer for a variable + * declaration in a `let` declaration list. + * + * @param node A VariableDeclaration node. */ - function markLabel(label) { - ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); - labelOffsets[label] = operations ? operations.length : 0; + function shouldEmitExplicitInitializerForLetDeclaration(node) { + // Nested let bindings might need to be initialized explicitly to preserve + // ES6 semantic: + // + // { let x = 1; } + // { let x; } // x here should be undefined. not 1 + // + // Top level bindings never collide with anything and thus don't require + // explicit initialization. As for nested let bindings there are two cases: + // + // - Nested let bindings that were not renamed definitely should be + // initialized explicitly: + // + // { let x = 1; } + // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } + // + // Without explicit initialization code in /*1*/ can be executed even if + // some-condition is evaluated to false. + // + // - Renaming introduces fresh name that should not collide with any + // existing names, however renamed bindings sometimes also should be + // explicitly initialized. One particular case: non-captured binding + // declared inside loop body (but not in loop initializer): + // + // let x; + // for (;;) { + // let x; + // } + // + // In downlevel codegen inner 'x' will be renamed so it won't collide + // with outer 'x' however it will should be reset on every iteration as + // if it was declared anew. + // + // * Why non-captured binding? + // - Because if loop contains block scoped binding captured in some + // function then loop body will be rewritten to have a fresh scope + // on every iteration so everything will just work. + // + // * Why loop initializer is excluded? + // - Since we've introduced a fresh name it already will be undefined. + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; + var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) + || (isCapturedInFunction + && isDeclaredInLoop + && ts.isBlock(enclosingBlockScopeContainer) + && ts.isIterationStatement(enclosingBlockScopeContainerParent, /*lookInLabeledStatements*/ false)); + var emitExplicitInitializer = !emittedAsTopLevel + && enclosingBlockScopeContainer.kind !== 208 /* ForInStatement */ + && enclosingBlockScopeContainer.kind !== 209 /* ForOfStatement */ + && (!resolver.isDeclarationWithCollidingName(node) + || (isDeclaredInLoop + && !isCapturedInFunction + && !ts.isIterationStatement(enclosingBlockScopeContainer, /*lookInLabeledStatements*/ false))); + return emitExplicitInitializer; } /** - * Begins a block operation (With, Break/Continue, Try/Catch/Finally) + * Visits a VariableDeclaration in a `let` declaration list. * - * @param block Information about the block. + * @param node A VariableDeclaration node. */ - function beginBlock(block) { - if (!blocks) { - blocks = []; - blockActions = []; - blockOffsets = []; - blockStack = []; + function visitVariableDeclarationInLetDeclarationList(node) { + // For binding pattern names that lack initializers there is no point to emit + // explicit initializer since downlevel codegen for destructuring will fail + // in the absence of initializer so all binding elements will say uninitialized + var name = node.name; + if (ts.isBindingPattern(name)) { + return visitVariableDeclaration(node); } - var index = blockActions.length; - blockActions[index] = 0 /* Open */; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.push(block); - return index; + if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { + var clone_5 = ts.getMutableClone(node); + clone_5.initializer = ts.createVoidZero(); + return clone_5; + } + return ts.visitEachChild(node, visitor, context); } /** - * Ends the current block operation. + * Visits a VariableDeclaration node with a binding pattern. + * + * @param node A VariableDeclaration node. */ - function endBlock() { - var block = peekBlock(); - ts.Debug.assert(block !== undefined, "beginBlock was never called."); - var index = blockActions.length; - blockActions[index] = 1 /* Close */; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.pop(); - return block; + function visitVariableDeclaration(node) { + // If we are here it is because the name contains a binding pattern. + if (ts.isBindingPattern(node.name)) { + var recordTempVariablesInLine = !enclosingVariableStatement + || !ts.hasModifier(enclosingVariableStatement, 1 /* Export */); + return ts.flattenVariableDestructuring(node, /*value*/ undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); + } + return ts.visitEachChild(node, visitor, context); } - /** - * Gets the current open block. - */ - function peekBlock() { - return ts.lastOrUndefined(blockStack); + function visitLabeledStatement(node) { + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = ts.createMap(); + } + convertedLoopState.labels[node.label.text] = node.label.text; + } + var result; + if (ts.isIterationStatement(node.statement, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node.statement)) { + result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); + } + else { + result = ts.visitEachChild(node, visitor, context); + } + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; + } + return result; } - /** - * Gets the kind of the current open block. - */ - function peekBlockKind() { - var block = peekBlock(); - return block && block.kind; + function visitDoStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitWhileStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitForStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitForInStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } /** - * Begins a code block for a generated `with` statement. + * Visits a ForOfStatement and converts it into a compatible ForStatement. * - * @param expression An identifier representing expression for the `with` block. + * @param node A ForOfStatement. */ - function beginWithBlock(expression) { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 1 /* With */, - expression: expression, - startLabel: startLabel, - endLabel: endLabel - }); + function visitForOfStatement(node) { + return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + } + function convertForOfToFor(node, convertedLoopBodyStatements) { + // The following ES6 code: + // + // for (let v of expr) { } + // + // should be emitted as + // + // for (var _i = 0, _a = expr; _i < _a.length; _i++) { + // var v = _a[_i]; + // } + // + // where _a and _i are temps emitted to capture the RHS and the counter, + // respectively. + // When the left hand side is an expression instead of a let declaration, + // the "let v" is not emitted. + // When the left hand side is a let/const, the v is renamed if there is + // another v in scope. + // Note that all assignments to the LHS are emitted in the body, including + // all destructuring. + // Note also that because an extra statement is needed to assign to the LHS, + // for-of bodies are always emitted as blocks. + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var initializer = node.initializer; + var statements = []; + // In the case where the user wrote an identifier as the RHS, like this: + // + // for (let v of arr) { } + // + // we don't want to emit a temporary variable for the RHS, just use it directly. + var counter = ts.createLoopVariable(); + var rhsReference = expression.kind === 70 /* Identifier */ + ? ts.createUniqueName(expression.text) + : ts.createTempVariable(/*recordTempVariable*/ undefined); + // Initialize LHS + // var v = _a[_i]; + if (ts.isVariableDeclarationList(initializer)) { + if (initializer.flags & 3 /* BlockScoped */) { + enableSubstitutionsForBlockScopedBindings(); + } + var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); + if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { + // This works whether the declaration is a var, let, or const. + // It will use rhsIterationValue _a[_i] as the initializer. + var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); + var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ initializer); + ts.setOriginalNode(declarationList, initializer); + // Adjust the source map range for the first declaration to align with the old + // emitter. + var firstDeclaration = declarations[0]; + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, declarationList)); + } + else { + // The following call does not include the initializer, so we have + // to emit it separately. + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(/*recordTempVariable*/ undefined), + /*type*/ undefined, ts.createElementAccess(rhsReference, counter)) + ], /*location*/ ts.moveRangePos(initializer, -1)), + /*location*/ ts.moveRangeEnd(initializer, -1))); + } + } + else { + // Initializer is an expression. Emit the expression in the body, so that it's + // evaluated on every iteration. + var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); + if (ts.isDestructuringAssignment(assignment)) { + // This is a destructuring pattern, so we flatten the destructuring instead. + statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, + /*needsValue*/ false, hoistVariableDeclaration, visitor))); + } + else { + // Currently there is not way to check that assignment is binary expression of destructing assignment + // so we have to cast never type to binaryExpression + assignment.end = initializer.end; + statements.push(ts.createStatement(assignment, /*location*/ ts.moveRangeEnd(initializer, -1))); + } + } + var bodyLocation; + var statementsLocation; + if (convertedLoopBodyStatements) { + ts.addRange(statements, convertedLoopBodyStatements); + } + else { + var statement = ts.visitNode(node.statement, visitor, ts.isStatement); + if (ts.isBlock(statement)) { + ts.addRange(statements, statement.statements); + bodyLocation = statement; + statementsLocation = statement.statements; + } + else { + statements.push(statement); + } + } + // The old emitter does not emit source maps for the expression + ts.setEmitFlags(expression, 1536 /* NoSourceMap */ | ts.getEmitFlags(expression)); + // The old emitter does not emit source maps for the block. + // We add the location to preserve comments. + var body = ts.createBlock(ts.createNodeArray(statements, /*location*/ statementsLocation), + /*location*/ bodyLocation); + ts.setEmitFlags(body, 1536 /* NoSourceMap */ | 12288 /* NoTokenSourceMaps */); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(counter, /*type*/ undefined, ts.createLiteral(0), /*location*/ ts.moveRangePos(node.expression, -1)), + ts.createVariableDeclaration(rhsReference, /*type*/ undefined, expression, /*location*/ node.expression) + ], /*location*/ node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), + /*location*/ node.expression), ts.createPostfixIncrement(counter, /*location*/ node.expression), body, + /*location*/ node); + // Disable trailing source maps for the OpenParenToken to align source map emit with the old emitter. + ts.setEmitFlags(forStatement, 8192 /* NoTokenTrailingSourceMaps */); + return forStatement; } /** - * Ends a code block for a generated `with` statement. + * Visits an ObjectLiteralExpression with computed propety names. + * + * @param node An ObjectLiteralExpression node. */ - function endWithBlock() { - ts.Debug.assert(peekBlockKind() === 1 /* With */); - var block = endBlock(); - markLabel(block.endLabel); + function visitObjectLiteralExpression(node) { + // We are here because a ComputedPropertyName was used somewhere in the expression. + var properties = node.properties; + var numProperties = properties.length; + // Find the first computed property. + // Everything until that point can be emitted as part of the initial object literal. + var numInitialProperties = numProperties; + for (var i = 0; i < numProperties; i++) { + var property = properties[i]; + if (property.transformFlags & 16777216 /* ContainsYield */ + || property.name.kind === 141 /* ComputedPropertyName */) { + numInitialProperties = i; + break; + } + } + ts.Debug.assert(numInitialProperties !== numProperties); + // For computed properties, we need to create a unique handle to the object + // literal so we can modify it without risking internal assignments tainting the object. + var temp = ts.createTempVariable(hoistVariableDeclaration); + // Write out the first non-computed properties, then emit the rest through indexing on the temp variable. + var expressions = []; + var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), + /*location*/ undefined, node.multiLine), 524288 /* Indented */)); + if (node.multiLine) { + assignment.startsOnNewLine = true; + } + expressions.push(assignment); + addObjectLiteralMembers(expressions, node, temp, numInitialProperties); + // We need to clone the temporary identifier so that we can write it on a + // new line + expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); } - function isWithBlock(block) { - return block.kind === 1 /* With */; + function shouldConvertIterationStatementBody(node) { + return (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; } /** - * Begins a code block for a generated `try` statement. + * Records constituents of name for the given variable to be hoisted in the outer scope. */ - function beginExceptionBlock() { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 0 /* Exception */, - state: 0 /* Try */, - startLabel: startLabel, - endLabel: endLabel - }); - emitNop(); - return endLabel; + function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; + } + visit(node.name); + function visit(node) { + if (node.kind === 70 /* Identifier */) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + visit(element.name); + } + } + } + } } - /** - * Enters the `catch` clause of a generated `try` statement. - * - * @param variable The catch variable. - */ - function beginCatchBlock(variable) { - ts.Debug.assert(peekBlockKind() === 0 /* Exception */); - var text = variable.name.text; - var name = declareLocal(text); - if (!renamedCatchVariables) { - renamedCatchVariables = ts.createMap(); - renamedCatchVariableDeclarations = ts.createMap(); - context.enableSubstitution(70 /* Identifier */); + function convertIterationStatementBodyIfNecessary(node, convert) { + if (!shouldConvertIterationStatementBody(node)) { + var saveAllowedNonLabeledJumps = void 0; + if (convertedLoopState) { + // we get here if we are trying to emit normal loop loop inside converted loop + // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; + } + var result = convert ? convert(node, /*convertedLoopBodyStatements*/ undefined) : ts.visitEachChild(node, visitor, context); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + return result; + } + var functionName = ts.createUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 207 /* ForStatement */: + case 208 /* ForInStatement */: + case 209 /* ForOfStatement */: + var initializer = node.initializer; + if (initializer && initializer.kind === 220 /* VariableDeclarationList */) { + loopInitializer = initializer; + } + break; + } + // variables that will be passed to the loop as parameters + var loopParameters = []; + // variables declared in the loop initializer that will be changed inside the loop + var loopOutParameters = []; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3 /* BlockScoped */)) { + for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); + } + } + var outerConvertedLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (outerConvertedLoopState) { + // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. + // if outer converted loop has already accumulated some state - pass it through + if (outerConvertedLoopState.argumentsName) { + // outer loop has already used 'arguments' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; + } + if (outerConvertedLoopState.thisName) { + // outer loop has already used 'this' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.thisName = outerConvertedLoopState.thisName; + } + if (outerConvertedLoopState.hoistedLocalVariables) { + // we've already collected some non-block scoped variable declarations in enclosing loop + // use the same storage in nested loop + convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; + } + } + var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); + var currentState = convertedLoopState; + convertedLoopState = outerConvertedLoopState; + if (loopOutParameters.length) { + var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; + copyOutParameters(loopOutParameters, 1 /* ToOutParameter */, statements_3); + loopBody = ts.createBlock(statements_3, /*location*/ undefined, /*multiline*/ true); + } + if (!ts.isBlock(loopBody)) { + loopBody = ts.createBlock([loopBody], /*location*/ undefined, /*multiline*/ true); + } + var isAsyncBlockContainingAwait = enclosingNonArrowFunction + && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152 /* AsyncFunctionBody */) !== 0 + && (node.statement.transformFlags & 16777216 /* ContainsYield */) !== 0; + var loopBodyFlags = 0; + if (currentState.containsLexicalThis) { + loopBodyFlags |= 256 /* CapturesThis */; + } + if (isAsyncBlockContainingAwait) { + loopBodyFlags |= 2097152 /* AsyncFunctionBody */; + } + var convertedLoopVariable = ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(functionName, + /*type*/ undefined, ts.setEmitFlags(ts.createFunctionExpression( + /*modifiers*/ undefined, isAsyncBlockContainingAwait ? ts.createToken(38 /* AsteriskToken */) : undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, loopParameters, + /*type*/ undefined, loopBody), loopBodyFlags)) + ])); + var statements = [convertedLoopVariable]; + var extraVariableDeclarations; + // propagate state from the inner loop to the outer loop if necessary + if (currentState.argumentsName) { + // if alias for arguments is set + if (outerConvertedLoopState) { + // pass it to outer converted loop + outerConvertedLoopState.argumentsName = currentState.argumentsName; + } + else { + // this is top level converted loop and we need to create an alias for 'arguments' object + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, + /*type*/ undefined, ts.createIdentifier("arguments"))); + } } - renamedCatchVariables[text] = true; - renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; - var exception = peekBlock(); - ts.Debug.assert(exception.state < 1 /* Catch */); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var catchLabel = defineLabel(); - markLabel(catchLabel); - exception.state = 1 /* Catch */; - exception.catchVariable = name; - exception.catchLabel = catchLabel; - emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [])); - emitNop(); - } - /** - * Enters the `finally` block of a generated `try` statement. - */ - function beginFinallyBlock() { - ts.Debug.assert(peekBlockKind() === 0 /* Exception */); - var exception = peekBlock(); - ts.Debug.assert(exception.state < 2 /* Finally */); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var finallyLabel = defineLabel(); - markLabel(finallyLabel); - exception.state = 2 /* Finally */; - exception.finallyLabel = finallyLabel; - } - /** - * Ends the code block for a generated `try` statement. - */ - function endExceptionBlock() { - ts.Debug.assert(peekBlockKind() === 0 /* Exception */); - var exception = endBlock(); - var state = exception.state; - if (state < 2 /* Finally */) { - emitBreak(exception.endLabel); + if (currentState.thisName) { + // if alias for this is set + if (outerConvertedLoopState) { + // pass it to outer converted loop + outerConvertedLoopState.thisName = currentState.thisName; + } + else { + // this is top level converted loop so we need to create an alias for 'this' here + // NOTE: + // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. + // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, + /*type*/ undefined, ts.createIdentifier("this"))); + } + } + if (currentState.hoistedLocalVariables) { + // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later + if (outerConvertedLoopState) { + // pass them to outer converted loop + outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; + } + else { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + // hoist collected variable declarations + for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { + var identifier = _c[_b]; + extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); + } + } + } + // add extra variables to hold out parameters if necessary + if (loopOutParameters.length) { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { + var outParam = loopOutParameters_1[_d]; + extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); + } + } + // create variable statement to hold all introduced variable declarations + if (extraVariableDeclarations) { + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); + } + var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); + var loop; + if (convert) { + loop = convert(node, convertedLoopBodyStatements); } else { - emitEndfinally(); + loop = ts.getMutableClone(node); + // clean statement part + loop.statement = undefined; + // visit childnodes to transform initializer/condition/incrementor parts + loop = ts.visitEachChild(loop, visitor, context); + // set loop statement + loop.statement = ts.createBlock(convertedLoopBodyStatements, + /*location*/ undefined, + /*multiline*/ true); + // reset and re-aggregate the transform flags + loop.transformFlags = 0; + ts.aggregateTransformFlags(loop); } - markLabel(exception.endLabel); - emitNop(); - exception.state = 3 /* Done */; - } - function isExceptionBlock(block) { - return block.kind === 0 /* Exception */; - } - /** - * Begins a code block that supports `break` or `continue` statements that are defined in - * the source tree and not from generated code. - * - * @param labelText Names from containing labeled statements. - */ - function beginScriptLoopBlock() { - beginBlock({ - kind: 3 /* Loop */, - isScript: true, - breakLabel: -1, - continueLabel: -1 - }); + statements.push(currentParent.kind === 215 /* LabeledStatement */ + ? ts.createLabel(currentParent.label, loop) + : loop); + return statements; } - /** - * Begins a code block that supports `break` or `continue` statements that are defined in - * generated code. Returns a label used to mark the operation to which to jump when a - * `break` statement targets this block. - * - * @param continueLabel A Label used to mark the operation to which to jump when a - * `continue` statement targets this block. - */ - function beginLoopBlock(continueLabel) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 3 /* Loop */, - isScript: false, - breakLabel: breakLabel, - continueLabel: continueLabel - }); - return breakLabel; + function copyOutParameter(outParam, copyDirection) { + var source = copyDirection === 0 /* ToOriginal */ ? outParam.outParamName : outParam.originalName; + var target = copyDirection === 0 /* ToOriginal */ ? outParam.originalName : outParam.outParamName; + return ts.createBinary(target, 57 /* EqualsToken */, source); } - /** - * Ends a code block that supports `break` or `continue` statements that are defined in - * generated code or in the source tree. - */ - function endLoopBlock() { - ts.Debug.assert(peekBlockKind() === 3 /* Loop */); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function copyOutParameters(outParams, copyDirection, statements) { + for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { + var outParam = outParams_1[_i]; + statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); } } - /** - * Begins a code block that supports `break` statements that are defined in the source - * tree and not from generated code. - * - */ - function beginScriptSwitchBlock() { - beginBlock({ - kind: 2 /* Switch */, - isScript: true, - breakLabel: -1 - }); - } - /** - * Begins a code block that supports `break` statements that are defined in generated code. - * Returns a label used to mark the operation to which to jump when a `break` statement - * targets this block. - */ - function beginSwitchBlock() { - var breakLabel = defineLabel(); - beginBlock({ - kind: 2 /* Switch */, - isScript: false, - breakLabel: breakLabel - }); - return breakLabel; - } - /** - * Ends a code block that supports `break` statements that are defined in generated code. - */ - function endSwitchBlock() { - ts.Debug.assert(peekBlockKind() === 2 /* Switch */); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { + var outerConvertedLoopState = convertedLoopState; + var statements = []; + // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop + // simple loops are emitted as just 'loop()'; + // NOTE: if loop uses only 'continue' it still will be emitted as simple loop + var isSimpleLoop = !(state.nonLocalJumps & ~4 /* Continue */) && + !state.labeledNonLocalBreaks && + !state.labeledNonLocalContinues; + var call = ts.createCall(loopFunctionExpressionName, /*typeArguments*/ undefined, ts.map(parameters, function (p) { return p.name; })); + var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38 /* AsteriskToken */), call) : call; + if (isSimpleLoop) { + statements.push(ts.createStatement(callResult)); + copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); } - } - function beginScriptLabeledBlock(labelText) { - beginBlock({ - kind: 4 /* Labeled */, - isScript: true, - labelText: labelText, - breakLabel: -1 - }); - } - function beginLabeledBlock(labelText) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 4 /* Labeled */, - isScript: false, - labelText: labelText, - breakLabel: breakLabel - }); - } - function endLabeledBlock() { - ts.Debug.assert(peekBlockKind() === 4 /* Labeled */); - var block = endBlock(); - if (!block.isScript) { - markLabel(block.breakLabel); + else { + var loopResultName = ts.createUniqueName("state"); + var stateVariable = ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, /*type*/ undefined, callResult)])); + statements.push(stateVariable); + copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); + if (state.nonLocalJumps & 8 /* Return */) { + var returnStatement = void 0; + if (outerConvertedLoopState) { + outerConvertedLoopState.nonLocalJumps |= 8 /* Return */; + returnStatement = ts.createReturn(loopResultName); + } + else { + returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + } + statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("object")), returnStatement)); + } + if (state.nonLocalJumps & 2 /* Break */) { + statements.push(ts.createIf(ts.createBinary(loopResultName, 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("break")), ts.createBreak())); + } + if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { + var caseClauses = []; + processLabeledJumps(state.labeledNonLocalBreaks, /*isBreak*/ true, loopResultName, outerConvertedLoopState, caseClauses); + processLabeledJumps(state.labeledNonLocalContinues, /*isBreak*/ false, loopResultName, outerConvertedLoopState, caseClauses); + statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + } } + return statements; } - /** - * Indicates whether the provided block supports `break` statements. - * - * @param block A code block. - */ - function supportsUnlabeledBreak(block) { - return block.kind === 2 /* Switch */ - || block.kind === 3 /* Loop */; - } - /** - * Indicates whether the provided block supports `break` statements with labels. - * - * @param block A code block. - */ - function supportsLabeledBreakOrContinue(block) { - return block.kind === 4 /* Labeled */; - } - /** - * Indicates whether the provided block supports `continue` statements. - * - * @param block A code block. - */ - function supportsUnlabeledContinue(block) { - return block.kind === 3 /* Loop */; + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = ts.createMap(); + } + state.labeledNonLocalBreaks[labelText] = labelMarker; + } + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = ts.createMap(); + } + state.labeledNonLocalContinues[labelText] = labelMarker; + } } - function hasImmediateContainingLabeledBlock(labelText, start) { - for (var j = start; j >= 0; j--) { - var containingBlock = blockStack[j]; - if (supportsLabeledBreakOrContinue(containingBlock)) { - if (containingBlock.labelText === labelText) { - return true; - } + function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { + if (!table) { + return; + } + for (var labelText in table) { + var labelMarker = table[labelText]; + var statements = []; + // if there are no outer converted loop or outer label in question is located inside outer converted loop + // then emit labeled break\continue + // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + var label = ts.createIdentifier(labelText); + statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); } else { - break; + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + statements.push(ts.createReturn(loopResultName)); } + caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } - return false; } - /** - * Finds the label that is the target for a `break` statement. - * - * @param labelText An optional name of a containing labeled statement. - */ - function findBreakTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { - return block.breakLabel; - } - else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.breakLabel; + function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { + var name = decl.name; + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + processLoopVariableDeclaration(element, loopParameters, loopOutParameters); } } } else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledBreak(block)) { - return block.breakLabel; - } + loopParameters.push(ts.createParameter(name)); + if (resolver.getNodeCheckFlags(decl) & 2097152 /* NeedsLoopOutParameter */) { + var outParamName = ts.createUniqueName("out_" + name.text); + loopOutParameters.push({ originalName: name, outParamName: outParamName }); } } - return 0; } /** - * Finds the label that is the target for a `continue` statement. + * Adds the members of an object literal to an array of expressions. * - * @param labelText An optional name of a containing labeled statement. + * @param expressions An array of expressions. + * @param node An ObjectLiteralExpression node. + * @param receiver The receiver for members of the ObjectLiteralExpression. + * @param numInitialNonComputedProperties The number of initial properties without + * computed property names. */ - function findContinueTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.continueLabel; - } + function addObjectLiteralMembers(expressions, node, receiver, start) { + var properties = node.properties; + var numProperties = properties.length; + for (var i = start; i < numProperties; i++) { + var property = properties[i]; + switch (property.kind) { + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property === accessors.firstAccessor) { + expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); + } + break; + case 253 /* PropertyAssignment */: + expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 254 /* ShorthandPropertyAssignment */: + expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 148 /* MethodDeclaration */: + expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } } - else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block)) { - return block.continueLabel; - } - } + } + /** + * Transforms a PropertyAssignment node into an expression. + * + * @param node The ObjectLiteralExpression that contains the PropertyAssignment. + * @param property The PropertyAssignment node. + * @param receiver The receiver for the assignment. + */ + function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), + /*location*/ property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return 0; + return expression; } /** - * Creates an expression that can be used to indicate the value for a label. + * Transforms a ShorthandPropertyAssignment node into an expression. * - * @param label A label. + * @param node The ObjectLiteralExpression that contains the ShorthandPropertyAssignment. + * @param property The ShorthandPropertyAssignment node. + * @param receiver The receiver for the assignment. */ - function createLabel(label) { - if (label > 0) { - if (labelExpressions === undefined) { - labelExpressions = []; - } - var expression = ts.createSynthesizedNode(8 /* NumericLiteral */); - if (labelExpressions[label] === undefined) { - labelExpressions[label] = [expression]; - } - else { - labelExpressions[label].push(expression); - } - return expression; + function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), + /*location*/ property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return ts.createNode(194 /* OmittedExpression */); + return expression; } /** - * Creates a numeric literal for the provided instruction. + * Transforms a MethodDeclaration of an ObjectLiteralExpression into an expression. + * + * @param node The ObjectLiteralExpression that contains the MethodDeclaration. + * @param method The MethodDeclaration node. + * @param receiver The receiver for the assignment. */ - function createInstruction(instruction) { - var literal = ts.createLiteral(instruction); - literal.trailingComment = instructionNames[instruction]; - return literal; + function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, /*location*/ method, /*name*/ undefined), + /*location*/ method); + if (startsOnNewLine) { + expression.startsOnNewLine = true; + } + return expression; + } + function visitCatchClause(node) { + ts.Debug.assert(ts.isBindingPattern(node.variableDeclaration.name)); + var temp = ts.createTempVariable(undefined); + var newVariableDeclaration = ts.createVariableDeclaration(temp, undefined, undefined, node.variableDeclaration); + var vars = ts.flattenVariableDestructuring(node.variableDeclaration, temp, visitor); + var list = ts.createVariableDeclarationList(vars, /*location*/ node.variableDeclaration, /*flags*/ node.variableDeclaration.flags); + var destructure = ts.createVariableStatement(undefined, list); + return ts.updateCatchClause(node, newVariableDeclaration, addStatementToStartOfBlock(node.block, destructure)); + } + function addStatementToStartOfBlock(block, statement) { + var transformedStatements = ts.visitNodes(block.statements, visitor, ts.isStatement); + return ts.updateBlock(block, [statement].concat(transformedStatements)); } /** - * Creates a statement that can be used indicate a Break operation to the provided label. + * Visits a MethodDeclaration of an ObjectLiteralExpression and transforms it into a + * PropertyAssignment. * - * @param label A label. - * @param location An optional source map location for the statement. + * @param node A MethodDeclaration node. */ - function createInlineBreak(label, location) { - ts.Debug.assert(label > 0, "Invalid label: " + label); - return ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), location); + function visitMethodDeclaration(node) { + // We should only get here for methods on an object literal with regular identifier names. + // Methods on classes are handled in visitClassDeclaration/visitClassExpression. + // Methods with computed property names are handled in visitObjectLiteralExpression. + ts.Debug.assert(!ts.isComputedPropertyName(node.name)); + var functionExpression = transformFunctionLikeToExpression(node, /*location*/ ts.moveRangePos(node, -1), /*name*/ undefined); + ts.setEmitFlags(functionExpression, 16384 /* NoLeadingComments */ | ts.getEmitFlags(functionExpression)); + return ts.createPropertyAssignment(node.name, functionExpression, + /*location*/ node); } /** - * Creates a statement that can be used indicate a Return operation. + * Visits a ShorthandPropertyAssignment and transforms it into a PropertyAssignment. * - * @param expression The expression for the return statement. - * @param location An optional source map location for the statement. + * @param node A ShorthandPropertyAssignment node. */ - function createInlineReturn(expression, location) { - return ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2 /* Return */), expression] - : [createInstruction(2 /* Return */)]), location); + function visitShorthandPropertyAssignment(node) { + return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), + /*location*/ node); } /** - * Creates an expression that can be used to resume from a Yield operation. + * Visits a YieldExpression node. + * + * @param node A YieldExpression node. */ - function createGeneratorResume(location) { - return ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [], location); + function visitYieldExpression(node) { + // `yield` expressions are transformed using the generators transformer. + return ts.visitEachChild(node, visitor, context); } /** - * Emits an empty instruction. + * Visits an ArrayLiteralExpression that contains a spread element. + * + * @param node An ArrayLiteralExpression node. */ - function emitNop() { - emitWorker(0 /* Nop */); + function visitArrayLiteralExpression(node) { + // We are here because we contain a SpreadElementExpression. + return transformAndSpreadElements(node.elements, /*needsUniqueCopy*/ true, node.multiLine, /*hasTrailingComma*/ node.elements.hasTrailingComma); } /** - * Emits a Statement. + * Visits a CallExpression that contains either a spread element or `super`. * - * @param node A statement. + * @param node a CallExpression. */ - function emitStatement(node) { - if (node) { - emitWorker(1 /* Statement */, [node]); + function visitCallExpression(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ true); + } + function visitImmediateSuperCallInBody(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ false); + } + function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { + // We are here either because SuperKeyword was used somewhere in the expression, or + // because we contain a SpreadElementExpression. + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + if (node.expression.kind === 96 /* SuperKeyword */) { + ts.setEmitFlags(thisArg, 128 /* NoSubstitution */); + } + var resultingCall; + if (node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) { + // [source] + // f(...a, b) + // x.m(...a, b) + // super(...a, b) + // super.m(...a, b) // in static + // super.m(...a, b) // in instance + // + // [output] + // f.apply(void 0, a.concat([b])) + // (_a = x).m.apply(_a, a.concat([b])) + // _super.apply(this, a.concat([b])) + // _super.m.apply(this, a.concat([b])) + // _super.prototype.m.apply(this, a.concat([b])) + resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)); } else { - emitNop(); + // [source] + // super(a) + // super.m(a) // in static + // super.m(a) // in instance + // + // [output] + // _super.call(this, a) + // _super.m.call(this, a) + // _super.prototype.m.call(this, a) + resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), + /*location*/ node); + } + if (node.expression.kind === 96 /* SuperKeyword */) { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); + var initializer = ts.createLogicalOr(resultingCall, actualThis); + return assignToCapturedThis + ? ts.createAssignment(ts.createIdentifier("_this"), initializer) + : initializer; } + return resultingCall; } /** - * Emits an Assignment operation. + * Visits a NewExpression that contains a spread element. * - * @param left The left-hand side of the assignment. - * @param right The right-hand side of the assignment. - * @param location An optional source map location for the assignment. + * @param node A NewExpression node. */ - function emitAssignment(left, right, location) { - emitWorker(2 /* Assign */, [left, right], location); + function visitNewExpression(node) { + // We are here because we contain a SpreadElementExpression. + ts.Debug.assert((node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) !== 0); + // [source] + // new C(...a) + // + // [output] + // new ((_a = C).bind.apply(_a, [void 0].concat(a)))() + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)), + /*typeArguments*/ undefined, []); } /** - * Emits a Break operation to the specified label. + * Transforms an array of Expression nodes that contains a SpreadElementExpression. * - * @param label A label. - * @param location An optional source map location for the assignment. + * @param elements The array of Expression nodes. + * @param needsUniqueCopy A value indicating whether to ensure that the result is a fresh array. + * @param multiLine A value indicating whether the result should be emitted on multiple lines. */ - function emitBreak(label, location) { - emitWorker(3 /* Break */, [label], location); + function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { + // [source] + // [a, ...b, c] + // + // [output] + // [a].concat(b, [c]) + // Map spans of spread expressions into their expressions and spans of other + // expressions into an array literal. + var numElements = elements.length; + var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { + return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); + })); + if (segments.length === 1) { + var firstElement = elements[0]; + return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 /* ArrayLiteralExpression */ + ? ts.createArraySlice(segments[0]) + : segments[0]; + } + // Rewrite using the pattern .concat(, , ...) + return ts.createArrayConcat(segments.shift(), segments); } - /** - * Emits a Break operation to the specified label when a condition evaluates to a truthy - * value at runtime. - * - * @param label A label. - * @param condition The condition. - * @param location An optional source map location for the assignment. - */ - function emitBreakWhenTrue(label, condition, location) { - emitWorker(4 /* BreakWhenTrue */, [label, condition], location); + function partitionSpreadElement(node) { + return ts.isSpreadElementExpression(node) + ? visitSpanOfSpreadElements + : visitSpanOfNonSpreadElements; + } + function visitSpanOfSpreadElements(chunk) { + return ts.map(chunk, visitExpressionOfSpreadElement); + } + function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { + return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, /*location*/ undefined, hasTrailingComma), visitor, ts.isExpression), + /*location*/ undefined, multiLine); } /** - * Emits a Break to the specified label when a condition evaluates to a falsey value at - * runtime. + * Transforms the expression of a SpreadElementExpression node. * - * @param label A label. - * @param condition The condition. - * @param location An optional source map location for the assignment. + * @param node A SpreadElementExpression node. */ - function emitBreakWhenFalse(label, condition, location) { - emitWorker(5 /* BreakWhenFalse */, [label, condition], location); + function visitExpressionOfSpreadElement(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } /** - * Emits a YieldStar operation for the provided expression. + * Visits a template literal. * - * @param expression An optional value for the yield operation. - * @param location An optional source map location for the assignment. + * @param node A template literal. */ - function emitYieldStar(expression, location) { - emitWorker(7 /* YieldStar */, [expression], location); + function visitTemplateLiteral(node) { + return ts.createLiteral(node.text, /*location*/ node); } /** - * Emits a Yield operation for the provided expression. + * Visits a TaggedTemplateExpression node. * - * @param expression An optional value for the yield operation. - * @param location An optional source map location for the assignment. + * @param node A TaggedTemplateExpression node. */ - function emitYield(expression, location) { - emitWorker(6 /* Yield */, [expression], location); + function visitTaggedTemplateExpression(node) { + // Visit the tag expression + var tag = ts.visitNode(node.tag, visitor, ts.isExpression); + // Allocate storage for the template site object + var temp = ts.createTempVariable(hoistVariableDeclaration); + // Build up the template arguments and the raw and cooked strings for the template. + var templateArguments = [temp]; + var cookedStrings = []; + var rawStrings = []; + var template = node.template; + if (ts.isNoSubstitutionTemplateLiteral(template)) { + cookedStrings.push(ts.createLiteral(template.text)); + rawStrings.push(getRawLiteral(template)); + } + else { + cookedStrings.push(ts.createLiteral(template.head.text)); + rawStrings.push(getRawLiteral(template.head)); + for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { + var templateSpan = _a[_i]; + cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); + rawStrings.push(getRawLiteral(templateSpan.literal)); + templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); + } + } + // NOTE: The parentheses here is entirely optional as we are now able to auto- + // parenthesize when rebuilding the tree. This should be removed in a + // future version. It is here for now to match our existing emit. + return ts.createParen(ts.inlineExpressions([ + ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), + ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), + ts.createCall(tag, /*typeArguments*/ undefined, templateArguments) + ])); } /** - * Emits a Return operation for the provided expression. + * Creates an ES5 compatible literal from an ES6 template literal. * - * @param expression An optional value for the operation. - * @param location An optional source map location for the assignment. + * @param node The ES6 template literal. */ - function emitReturn(expression, location) { - emitWorker(8 /* Return */, [expression], location); + function getRawLiteral(node) { + // Find original source text, since we need to emit the raw strings of the tagged template. + // The raw strings contain the (escaped) strings of what the user wrote. + // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". + var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); + // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), + // thus we need to remove those characters. + // First template piece starts with "`", others with "}" + // Last template piece ends with "`", others with "${" + var isLast = node.kind === 12 /* NoSubstitutionTemplateLiteral */ || node.kind === 15 /* TemplateTail */; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + // Newline normalization: + // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's + // and LineTerminatorSequences are normalized to for both TV and TRV. + text = text.replace(/\r\n?/g, "\n"); + return ts.createLiteral(text, /*location*/ node); } /** - * Emits a Throw operation for the provided expression. + * Visits a TemplateExpression node. * - * @param expression A value for the operation. - * @param location An optional source map location for the assignment. + * @param node A TemplateExpression node. */ - function emitThrow(expression, location) { - emitWorker(9 /* Throw */, [expression], location); + function visitTemplateExpression(node) { + var expressions = []; + addTemplateHead(expressions, node); + addTemplateSpans(expressions, node); + // createAdd will check if each expression binds less closely than binary '+'. + // If it does, it wraps the expression in parentheses. Otherwise, something like + // `abc${ 1 << 2 }` + // becomes + // "abc" + 1 << 2 + "" + // which is really + // ("abc" + 1) << (2 + "") + // rather than + // "abc" + (1 << 2) + "" + var expression = ts.reduceLeft(expressions, ts.createAdd); + if (ts.nodeIsSynthesized(expression)) { + ts.setTextRange(expression, node); + } + return expression; } /** - * Emits an Endfinally operation. This is used to handle `finally` block semantics. + * Gets a value indicating whether we need to include the head of a TemplateExpression. + * + * @param node A TemplateExpression node. */ - function emitEndfinally() { - emitWorker(10 /* Endfinally */); + function shouldAddTemplateHead(node) { + // If this expression has an empty head literal and the first template span has a non-empty + // literal, then emitting the empty head literal is not necessary. + // `${ foo } and ${ bar }` + // can be emitted as + // foo + " and " + bar + // This is because it is only required that one of the first two operands in the emit + // output must be a string literal, so that the other operand and all following operands + // are forced into strings. + // + // If the first template span has an empty literal, then the head must still be emitted. + // `${ foo }${ bar }` + // must still be emitted as + // "" + foo + bar + // There is always atleast one templateSpan in this code path, since + // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; } /** - * Emits an operation. + * Adds the head of a TemplateExpression to an array of expressions. * - * @param code The OpCode for the operation. - * @param args The optional arguments for the operation. + * @param expressions An array of expressions. + * @param node A TemplateExpression node. */ - function emitWorker(code, args, location) { - if (operations === undefined) { - operations = []; - operationArguments = []; - operationLocations = []; - } - if (labelOffsets === undefined) { - // mark entry point - markLabel(defineLabel()); + function addTemplateHead(expressions, node) { + if (!shouldAddTemplateHead(node)) { + return; } - var operationIndex = operations.length; - operations[operationIndex] = code; - operationArguments[operationIndex] = args; - operationLocations[operationIndex] = location; - } - /** - * Builds the generator function body. - */ - function build() { - blockIndex = 0; - labelNumber = 0; - labelNumbers = undefined; - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - clauses = undefined; - statements = undefined; - exceptionBlockStack = undefined; - currentExceptionBlock = undefined; - withBlockStack = undefined; - var buildResult = buildStatements(); - return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), - /*typeArguments*/ undefined, [ - ts.createThis(), - ts.setEmitFlags(ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ts.createParameter(state)], - /*type*/ undefined, ts.createBlock(buildResult, - /*location*/ undefined, - /*multiLine*/ buildResult.length > 0)), 4194304 /* ReuseTempVariableScope */) - ]); + expressions.push(ts.createLiteral(node.head.text)); } /** - * Builds the statements for the generator function body. + * Visits and adds the template spans of a TemplateExpression to an array of expressions. + * + * @param expressions An array of expressions. + * @param node A TemplateExpression node. */ - function buildStatements() { - if (operations) { - for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { - writeOperation(operationIndex); + function addTemplateSpans(expressions, node) { + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span_6 = _a[_i]; + expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); + // Only emit if the literal is non-empty. + // The binary '+' operator is left-associative, so the first string concatenation + // with the head will force the result up to this point to be a string. + // Emitting a '+ ""' has no semantic effect for middles and tails. + if (span_6.literal.text.length !== 0) { + expressions.push(ts.createLiteral(span_6.literal.text)); } - flushFinalLabel(operations.length); - } - else { - flushFinalLabel(0); - } - if (clauses) { - var labelExpression = ts.createPropertyAccess(state, "label"); - var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); - switchStatement.startsOnNewLine = true; - return [switchStatement]; - } - if (statements) { - return statements; } - return []; } /** - * Flush the current label and advance to a new label. + * Visits the `super` keyword */ - function flushLabel() { - if (!statements) { - return; - } - appendLabel(/*markLabelEnd*/ !lastOperationWasAbrupt); - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - labelNumber++; + function visitSuperKeyword() { + return enclosingNonAsyncFunctionBody + && ts.isClassElement(enclosingNonAsyncFunctionBody) + && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32 /* Static */) + && currentParent.kind !== 175 /* CallExpression */ + ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") + : ts.createIdentifier("_super"); } - /** - * Flush the final label of the generator function body. - */ - function flushFinalLabel(operationIndex) { - if (isFinalLabelReachable(operationIndex)) { - tryEnterLabel(operationIndex); - withBlockStack = undefined; - writeReturn(/*expression*/ undefined, /*operationLocation*/ undefined); - } - if (statements && clauses) { - appendLabel(/*markLabelEnd*/ false); - } - updateLabelExpressions(); + function visitSourceFileNode(node) { + var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; + var statements = []; + startLexicalEnvironment(); + ts.addRange(statements, prologue); + addCaptureThisForNodeIfNeeded(statements, node); + ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); + ts.addRange(statements, endLexicalEnvironment()); + var clone = ts.getMutableClone(node); + clone.statements = ts.createNodeArray(statements, /*location*/ node.statements); + return clone; } /** - * Tests whether the final label of the generator function body - * is reachable by user code. + * Called by the printer just before a node is printed. + * + * @param node The node to be printed. */ - function isFinalLabelReachable(operationIndex) { - // if the last operation was *not* a completion (return/throw) then - // the final label is reachable. - if (!lastOperationWasCompletion) { - return true; - } - // if there are no labels defined or referenced, then the final label is - // not reachable. - if (!labelOffsets || !labelExpressions) { - return false; - } - // if the label for this offset is referenced, then the final label - // is reachable. - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex && labelExpressions[label]) { - return true; - } + function onEmitNode(emitContext, node, emitCallback) { + var savedEnclosingFunction = enclosingFunction; + if (enabledSubstitutions & 1 /* CapturedThis */ && ts.isFunctionLike(node)) { + // If we are tracking a captured `this`, keep track of the enclosing function. + enclosingFunction = node; } - return false; + previousOnEmitNode(emitContext, node, emitCallback); + enclosingFunction = savedEnclosingFunction; } /** - * Appends a case clause for the last label and sets the new label. - * - * @param markLabelEnd Indicates that the transition between labels was a fall-through - * from a previous case clause and the change in labels should be - * reflected on the `state` object. + * Enables a more costly code path for substitutions when we determine a source file + * contains block-scoped bindings (e.g. `let` or `const`). */ - function appendLabel(markLabelEnd) { - if (!clauses) { - clauses = []; - } - if (statements) { - if (withBlockStack) { - // The previous label was nested inside one or more `with` blocks, so we - // surround the statements in generated `with` blocks to create the same environment. - for (var i = withBlockStack.length - 1; i >= 0; i--) { - var withBlock = withBlockStack[i]; - statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; - } - } - if (currentExceptionBlock) { - // The previous label was nested inside of an exception block, so we must - // indicate entry into a protected region by pushing the label numbers - // for each block in the protected region. - var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; - statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), - /*typeArguments*/ undefined, [ - ts.createArrayLiteral([ - createLabel(startLabel), - createLabel(catchLabel), - createLabel(finallyLabel), - createLabel(endLabel) - ]) - ]))); - currentExceptionBlock = undefined; - } - if (markLabelEnd) { - // The case clause for the last label falls through to this label, so we - // add an assignment statement to reflect the change in labels. - statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); - } + function enableSubstitutionsForBlockScopedBindings() { + if ((enabledSubstitutions & 2 /* BlockScopedBindings */) === 0) { + enabledSubstitutions |= 2 /* BlockScopedBindings */; + context.enableSubstitution(70 /* Identifier */); } - clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); - statements = undefined; } /** - * Tries to enter into a new label at the current operation index. + * Enables a more costly code path for substitutions when we determine a source file + * contains a captured `this`. */ - function tryEnterLabel(operationIndex) { - if (!labelOffsets) { - return; - } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex) { - flushLabel(); - if (labelNumbers === undefined) { - labelNumbers = []; - } - if (labelNumbers[labelNumber] === undefined) { - labelNumbers[labelNumber] = [label]; - } - else { - labelNumbers[labelNumber].push(label); - } - } + function enableSubstitutionsForCapturedThis() { + if ((enabledSubstitutions & 1 /* CapturedThis */) === 0) { + enabledSubstitutions |= 1 /* CapturedThis */; + context.enableSubstitution(98 /* ThisKeyword */); + context.enableEmitNotification(149 /* Constructor */); + context.enableEmitNotification(148 /* MethodDeclaration */); + context.enableEmitNotification(150 /* GetAccessor */); + context.enableEmitNotification(151 /* SetAccessor */); + context.enableEmitNotification(181 /* ArrowFunction */); + context.enableEmitNotification(180 /* FunctionExpression */); + context.enableEmitNotification(221 /* FunctionDeclaration */); } } /** - * Updates literal expressions for labels with actual label numbers. - */ - function updateLabelExpressions() { - if (labelExpressions !== undefined && labelNumbers !== undefined) { - for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { - var labels = labelNumbers[labelNumber_1]; - if (labels !== undefined) { - for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { - var label = labels_1[_i]; - var expressions = labelExpressions[label]; - if (expressions !== undefined) { - for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { - var expression = expressions_1[_a]; - expression.text = String(labelNumber_1); - } - } - } - } - } + * Hooks node substitutions. + * + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. + */ + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } + if (ts.isIdentifier(node)) { + return substituteIdentifier(node); + } + return node; } /** - * Tries to enter or leave a code block. + * Hooks substitutions for non-expression identifiers. */ - function tryEnterOrLeaveBlock(operationIndex) { - if (blocks) { - for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { - var block = blocks[blockIndex]; - var blockAction = blockActions[blockIndex]; - if (isExceptionBlock(block)) { - if (blockAction === 0 /* Open */) { - if (!exceptionBlockStack) { - exceptionBlockStack = []; - } - if (!statements) { - statements = []; - } - exceptionBlockStack.push(currentExceptionBlock); - currentExceptionBlock = block; - } - else if (blockAction === 1 /* Close */) { - currentExceptionBlock = exceptionBlockStack.pop(); - } - } - else if (isWithBlock(block)) { - if (blockAction === 0 /* Open */) { - if (!withBlockStack) { - withBlockStack = []; - } - withBlockStack.push(block); - } - else if (blockAction === 1 /* Close */) { - withBlockStack.pop(); - } - } + function substituteIdentifier(node) { + // Only substitute the identifier if we have enabled substitutions for block-scoped + // bindings. + if (enabledSubstitutions & 2 /* BlockScopedBindings */) { + var original = ts.getParseTreeNode(node, ts.isIdentifier); + if (original && isNameOfDeclarationWithCollidingName(original)) { + return ts.getGeneratedNameForNode(original); } } + return node; } /** - * Writes an operation as a statement to the current label's statement list. + * Determines whether a name is the name of a declaration with a colliding name. + * NOTE: This function expects to be called with an original source tree node. * - * @param operation The OpCode of the operation + * @param node An original source tree node. */ - function writeOperation(operationIndex) { - tryEnterLabel(operationIndex); - tryEnterOrLeaveBlock(operationIndex); - // early termination, nothing else to process in this label - if (lastOperationWasAbrupt) { - return; - } - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - var opcode = operations[operationIndex]; - if (opcode === 0 /* Nop */) { - return; - } - else if (opcode === 10 /* Endfinally */) { - return writeEndfinally(); - } - var args = operationArguments[operationIndex]; - if (opcode === 1 /* Statement */) { - return writeStatement(args[0]); + function isNameOfDeclarationWithCollidingName(node) { + var parent = node.parent; + switch (parent.kind) { + case 170 /* BindingElement */: + case 222 /* ClassDeclaration */: + case 225 /* EnumDeclaration */: + case 219 /* VariableDeclaration */: + return parent.name === node + && resolver.isDeclarationWithCollidingName(parent); } - var location = operationLocations[operationIndex]; - switch (opcode) { - case 2 /* Assign */: - return writeAssign(args[0], args[1], location); - case 3 /* Break */: - return writeBreak(args[0], location); - case 4 /* BreakWhenTrue */: - return writeBreakWhenTrue(args[0], args[1], location); - case 5 /* BreakWhenFalse */: - return writeBreakWhenFalse(args[0], args[1], location); - case 6 /* Yield */: - return writeYield(args[0], location); - case 7 /* YieldStar */: - return writeYieldStar(args[0], location); - case 8 /* Return */: - return writeReturn(args[0], location); - case 9 /* Throw */: - return writeThrow(args[0], location); + return false; + } + /** + * Substitutes an expression. + * + * @param node An Expression node. + */ + function substituteExpression(node) { + switch (node.kind) { + case 70 /* Identifier */: + return substituteExpressionIdentifier(node); + case 98 /* ThisKeyword */: + return substituteThisKeyword(node); } + return node; } /** - * Writes a statement to the current label's statement list. + * Substitutes an expression identifier. * - * @param statement A statement to write. + * @param node An Identifier node. */ - function writeStatement(statement) { - if (statement) { - if (!statements) { - statements = [statement]; - } - else { - statements.push(statement); + function substituteExpressionIdentifier(node) { + if (enabledSubstitutions & 2 /* BlockScopedBindings */) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + return ts.getGeneratedNameForNode(declaration.name); } } + return node; } /** - * Writes an Assign operation to the current label's statement list. + * Substitutes `this` when contained within an arrow function. * - * @param left The left-hand side of the assignment. - * @param right The right-hand side of the assignment. - * @param operationLocation The source map location for the operation. + * @param node The ThisKeyword node. */ - function writeAssign(left, right, operationLocation) { - writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); + function substituteThisKeyword(node) { + if (enabledSubstitutions & 1 /* CapturedThis */ + && enclosingFunction + && ts.getEmitFlags(enclosingFunction) & 256 /* CapturesThis */) { + return ts.createIdentifier("_this", /*location*/ node); + } + return node; } /** - * Writes a Throw operation to the current label's statement list. + * Gets the local name for a declaration for use in expressions. * - * @param expression The value to throw. - * @param operationLocation The source map location for the operation. + * A local name will *never* be prefixed with an module or namespace export modifier like + * "exports.". + * + * @param node The declaration. + * @param allowComments A value indicating whether comments may be emitted for the name. + * @param allowSourceMaps A value indicating whether source maps may be emitted for the name. */ - function writeThrow(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createThrow(expression, operationLocation)); + function getLocalName(node, allowComments, allowSourceMaps) { + return getDeclarationName(node, allowComments, allowSourceMaps, 262144 /* LocalName */); } /** - * Writes a Return operation to the current label's statement list. + * Gets the name of a declaration, without source map or comments. * - * @param expression The value to return. - * @param operationLocation The source map location for the operation. + * @param node The declaration. + * @param allowComments Allow comments for the name. */ - function writeReturn(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2 /* Return */), expression] - : [createInstruction(2 /* Return */)]), operationLocation)); + function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { + if (node.name && !ts.isGeneratedIdentifier(node.name)) { + var name_38 = ts.getMutableClone(node.name); + emitFlags |= ts.getEmitFlags(node.name); + if (!allowSourceMaps) { + emitFlags |= 1536 /* NoSourceMap */; + } + if (!allowComments) { + emitFlags |= 49152 /* NoComments */; + } + if (emitFlags) { + ts.setEmitFlags(name_38, emitFlags); + } + return name_38; + } + return ts.getGeneratedNameForNode(node); + } + function getClassMemberPrefix(node, member) { + var expression = getLocalName(node); + return ts.hasModifier(member, 32 /* Static */) ? expression : ts.createPropertyAccess(expression, "prototype"); + } + function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { + if (!constructor || !hasExtendsClause) { + return false; + } + var parameter = ts.singleOrUndefined(constructor.parameters); + if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { + return false; + } + var statement = ts.firstOrUndefined(constructor.body.statements); + if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203 /* ExpressionStatement */) { + return false; + } + var statementExpression = statement.expression; + if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175 /* CallExpression */) { + return false; + } + var callTarget = statementExpression.expression; + if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96 /* SuperKeyword */) { + return false; + } + var callArgument = ts.singleOrUndefined(statementExpression.arguments); + if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192 /* SpreadElementExpression */) { + return false; + } + var expression = callArgument.expression; + return ts.isIdentifier(expression) && expression === parameter.name; + } + } + ts.transformES2015 = transformES2015; +})(ts || (ts = {})); +/// +/// +// Transforms generator functions into a compatible ES5 representation with similar runtime +// semantics. This is accomplished by first transforming the body of each generator +// function into an intermediate representation that is the compiled into a JavaScript +// switch statement. +// +// Many functions in this transformer will contain comments indicating the expected +// intermediate representation. For illustrative purposes, the following intermediate +// language is used to define this intermediate representation: +// +// .nop - Performs no operation. +// .local NAME, ... - Define local variable declarations. +// .mark LABEL - Mark the location of a label. +// .br LABEL - Jump to a label. If jumping out of a protected +// region, all .finally blocks are executed. +// .brtrue LABEL, (x) - Jump to a label IIF the expression `x` is truthy. +// If jumping out of a protected region, all .finally +// blocks are executed. +// .brfalse LABEL, (x) - Jump to a label IIF the expression `x` is falsey. +// If jumping out of a protected region, all .finally +// blocks are executed. +// .yield (x) - Yield the value of the optional expression `x`. +// Resume at the next label. +// .yieldstar (x) - Delegate yield to the value of the optional +// expression `x`. Resume at the next label. +// NOTE: `x` must be an Iterator, not an Iterable. +// .loop CONTINUE, BREAK - Marks the beginning of a loop. Any "continue" or +// "break" abrupt completions jump to the CONTINUE or +// BREAK labels, respectively. +// .endloop - Marks the end of a loop. +// .with (x) - Marks the beginning of a WithStatement block, using +// the supplied expression. +// .endwith - Marks the end of a WithStatement. +// .switch - Marks the beginning of a SwitchStatement. +// .endswitch - Marks the end of a SwitchStatement. +// .labeled NAME - Marks the beginning of a LabeledStatement with the +// supplied name. +// .endlabeled - Marks the end of a LabeledStatement. +// .try TRY, CATCH, FINALLY, END - Marks the beginning of a protected region, and the +// labels for each block. +// .catch (x) - Marks the beginning of a catch block. +// .finally - Marks the beginning of a finally block. +// .endfinally - Marks the end of a finally block. +// .endtry - Marks the end of a protected region. +// .throw (x) - Throws the value of the expression `x`. +// .return (x) - Returns the value of the expression `x`. +// +// In addition, the illustrative intermediate representation introduces some special +// variables: +// +// %sent% - Either returns the next value sent to the generator, +// returns the result of a delegated yield, or throws +// the exception sent to the generator. +// %error% - Returns the value of the current exception in a +// catch block. +// +// This intermediate representation is then compiled into JavaScript syntax. The resulting +// compilation output looks something like the following: +// +// function f() { +// var /*locals*/; +// /*functions*/ +// return __generator(function (state) { +// switch (state.label) { +// /*cases per label*/ +// } +// }); +// } +// +// Each of the above instructions corresponds to JavaScript emit similar to the following: +// +// .local NAME | var NAME; +// -------------------------------|---------------------------------------------- +// .mark LABEL | case LABEL: +// -------------------------------|---------------------------------------------- +// .br LABEL | return [3 /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .brtrue LABEL, (x) | if (x) return [3 /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .brfalse LABEL, (x) | if (!(x)) return [3, /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .yield (x) | return [4 /*yield*/, x]; +// .mark RESUME | case RESUME: +// a = %sent%; | a = state.sent(); +// -------------------------------|---------------------------------------------- +// .yieldstar (x) | return [5 /*yield**/, x]; +// .mark RESUME | case RESUME: +// a = %sent%; | a = state.sent(); +// -------------------------------|---------------------------------------------- +// .with (_a) | with (_a) { +// a(); | a(); +// | } +// | state.label = LABEL; +// .mark LABEL | case LABEL: +// | with (_a) { +// b(); | b(); +// | } +// .endwith | +// -------------------------------|---------------------------------------------- +// | case 0: +// | state.trys = []; +// | ... +// .try TRY, CATCH, FINALLY, END | +// .mark TRY | case TRY: +// | state.trys.push([TRY, CATCH, FINALLY, END]); +// .nop | +// a(); | a(); +// .br END | return [3 /*break*/, END]; +// .catch (e) | +// .mark CATCH | case CATCH: +// | e = state.sent(); +// b(); | b(); +// .br END | return [3 /*break*/, END]; +// .finally | +// .mark FINALLY | case FINALLY: +// c(); | c(); +// .endfinally | return [7 /*endfinally*/]; +// .endtry | +// .mark END | case END: +/*@internal*/ +var ts; +(function (ts) { + var OpCode; + (function (OpCode) { + OpCode[OpCode["Nop"] = 0] = "Nop"; + OpCode[OpCode["Statement"] = 1] = "Statement"; + OpCode[OpCode["Assign"] = 2] = "Assign"; + OpCode[OpCode["Break"] = 3] = "Break"; + OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; + OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; + OpCode[OpCode["Yield"] = 6] = "Yield"; + OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; + OpCode[OpCode["Return"] = 8] = "Return"; + OpCode[OpCode["Throw"] = 9] = "Throw"; + OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; // Marks the end of a `finally` block + })(OpCode || (OpCode = {})); + // whether a generated code block is opening or closing at the current operation for a FunctionBuilder + var BlockAction; + (function (BlockAction) { + BlockAction[BlockAction["Open"] = 0] = "Open"; + BlockAction[BlockAction["Close"] = 1] = "Close"; + })(BlockAction || (BlockAction = {})); + // the kind for a generated code block in a FunctionBuilder + var CodeBlockKind; + (function (CodeBlockKind) { + CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; + CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; + CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; + CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; + CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; + })(CodeBlockKind || (CodeBlockKind = {})); + // the state for a generated code exception block + var ExceptionBlockState; + (function (ExceptionBlockState) { + ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; + ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; + ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; + ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; + })(ExceptionBlockState || (ExceptionBlockState = {})); + // NOTE: changes to this enum should be reflected in the __generator helper. + var Instruction; + (function (Instruction) { + Instruction[Instruction["Next"] = 0] = "Next"; + Instruction[Instruction["Throw"] = 1] = "Throw"; + Instruction[Instruction["Return"] = 2] = "Return"; + Instruction[Instruction["Break"] = 3] = "Break"; + Instruction[Instruction["Yield"] = 4] = "Yield"; + Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; + Instruction[Instruction["Catch"] = 6] = "Catch"; + Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; + })(Instruction || (Instruction = {})); + var instructionNames = ts.createMap((_a = {}, + _a[2 /* Return */] = "return", + _a[3 /* Break */] = "break", + _a[4 /* Yield */] = "yield", + _a[5 /* YieldStar */] = "yield*", + _a[7 /* Endfinally */] = "endfinally", + _a)); + function transformGenerators(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var resolver = context.getEmitResolver(); + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + var currentSourceFile; + var renamedCatchVariables; + var renamedCatchVariableDeclarations; + var inGeneratorFunctionBody; + var inStatementContainingYield; + // The following three arrays store information about generated code blocks. + // All three arrays are correlated by their index. This approach is used over allocating + // objects to store the same information to avoid GC overhead. + // + var blocks; // Information about the code block + var blockOffsets; // The operation offset at which a code block begins or ends + var blockActions; // Whether the code block is opened or closed + var blockStack; // A stack of currently open code blocks + // Labels are used to mark locations in the code that can be the target of a Break (jump) + // operation. These are translated into case clauses in a switch statement. + // The following two arrays are correlated by their index. This approach is used over + // allocating objects to store the same information to avoid GC overhead. + // + var labelOffsets; // The operation offset at which the label is defined. + var labelExpressions; // The NumericLiteral nodes bound to each label. + var nextLabelId = 1; // The next label id to use. + // Operations store information about generated code for the function body. This + // Includes things like statements, assignments, breaks (jumps), and yields. + // The following three arrays are correlated by their index. This approach is used over + // allocating objects to store the same information to avoid GC overhead. + // + var operations; // The operation to perform. + var operationArguments; // The arguments to the operation. + var operationLocations; // The source map location for the operation. + var state; // The name of the state object used by the generator at runtime. + // The following variables store information used by the `build` function: + // + var blockIndex = 0; // The index of the current block. + var labelNumber = 0; // The current label number. + var labelNumbers; + var lastOperationWasAbrupt; // Indicates whether the last operation was abrupt (break/continue). + var lastOperationWasCompletion; // Indicates whether the last operation was a completion (return/throw). + var clauses; // The case clauses generated for labels. + var statements; // The statements for the current label. + var exceptionBlockStack; // A stack of containing exception blocks. + var currentExceptionBlock; // The current exception block. + var withBlockStack; // A stack containing `with` blocks. + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; + } + if (node.transformFlags & 4096 /* ContainsGenerator */) { + currentSourceFile = node; + node = ts.visitEachChild(node, visitor, context); + currentSourceFile = undefined; + } + return node; } /** - * Writes a Break operation to the current label's statement list. + * Visits a node. * - * @param label The label for the Break. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeBreak(label, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), operationLocation)); + function visitor(node) { + var transformFlags = node.transformFlags; + if (inStatementContainingYield) { + return visitJavaScriptInStatementContainingYield(node); + } + else if (inGeneratorFunctionBody) { + return visitJavaScriptInGeneratorFunctionBody(node); + } + else if (transformFlags & 2048 /* Generator */) { + return visitGenerator(node); + } + else if (transformFlags & 4096 /* ContainsGenerator */) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } } /** - * Writes a BreakWhenTrue operation to the current label's statement list. + * Visits a node that is contained within a statement that contains yield. * - * @param label The label for the Break. - * @param condition The condition for the Break. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeBreakWhenTrue(label, condition, operationLocation) { - writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), operationLocation))); + function visitJavaScriptInStatementContainingYield(node) { + switch (node.kind) { + case 205 /* DoStatement */: + return visitDoStatement(node); + case 206 /* WhileStatement */: + return visitWhileStatement(node); + case 214 /* SwitchStatement */: + return visitSwitchStatement(node); + case 215 /* LabeledStatement */: + return visitLabeledStatement(node); + default: + return visitJavaScriptInGeneratorFunctionBody(node); + } } /** - * Writes a BreakWhenFalse operation to the current label's statement list. + * Visits a node that is contained within a generator function. * - * @param label The label for the Break. - * @param condition The condition for the Break. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeBreakWhenFalse(label, condition, operationLocation) { - writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), operationLocation))); + function visitJavaScriptInGeneratorFunctionBody(node) { + switch (node.kind) { + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 180 /* FunctionExpression */: + return visitFunctionExpression(node); + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + return visitAccessorDeclaration(node); + case 201 /* VariableStatement */: + return visitVariableStatement(node); + case 207 /* ForStatement */: + return visitForStatement(node); + case 208 /* ForInStatement */: + return visitForInStatement(node); + case 211 /* BreakStatement */: + return visitBreakStatement(node); + case 210 /* ContinueStatement */: + return visitContinueStatement(node); + case 212 /* ReturnStatement */: + return visitReturnStatement(node); + default: + if (node.transformFlags & 16777216 /* ContainsYield */) { + return visitJavaScriptContainingYield(node); + } + else if (node.transformFlags & (4096 /* ContainsGenerator */ | 33554432 /* ContainsHoistedDeclarationOrCompletion */)) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } + } } /** - * Writes a Yield operation to the current label's statement list. + * Visits a node that contains a YieldExpression. * - * @param expression The expression to yield. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeYield(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(4 /* Yield */), expression] - : [createInstruction(4 /* Yield */)]), operationLocation)); + function visitJavaScriptContainingYield(node) { + switch (node.kind) { + case 188 /* BinaryExpression */: + return visitBinaryExpression(node); + case 189 /* ConditionalExpression */: + return visitConditionalExpression(node); + case 191 /* YieldExpression */: + return visitYieldExpression(node); + case 171 /* ArrayLiteralExpression */: + return visitArrayLiteralExpression(node); + case 172 /* ObjectLiteralExpression */: + return visitObjectLiteralExpression(node); + case 174 /* ElementAccessExpression */: + return visitElementAccessExpression(node); + case 175 /* CallExpression */: + return visitCallExpression(node); + case 176 /* NewExpression */: + return visitNewExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } } /** - * Writes a YieldStar instruction to the current label's statement list. + * Visits a generator function. * - * @param expression The expression to yield. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeYieldStar(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(5 /* YieldStar */), - expression - ]), operationLocation)); + function visitGenerator(node) { + switch (node.kind) { + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 180 /* FunctionExpression */: + return visitFunctionExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } } /** - * Writes an Endfinally instruction to the current label's statement list. + * Visits a function declaration. + * + * This will be called when one of the following conditions are met: + * - The function declaration is a generator function. + * - The function declaration is contained within the body of a generator function. + * + * @param node The node to visit. */ - function writeEndfinally() { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(7 /* Endfinally */) - ]))); + function visitFunctionDeclaration(node) { + // Currently, we only support generators that were originally async functions. + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { + node = ts.setOriginalNode(ts.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, node.name, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, transformGeneratorFunctionBody(node.body), + /*location*/ node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + if (inGeneratorFunctionBody) { + // Function declarations in a generator function body are hoisted + // to the top of the lexical scope and elided from the current statement. + hoistFunctionDeclaration(node); + return undefined; + } + else { + return node; + } } - } - ts.transformGenerators = transformGenerators; - var _a; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformModule(context) { - var transformModuleDelegates = ts.createMap((_a = {}, - _a[ts.ModuleKind.None] = transformCommonJSModule, - _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, - _a[ts.ModuleKind.AMD] = transformAMDModule, - _a[ts.ModuleKind.UMD] = transformUMDModule, - _a)); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70 /* Identifier */); - context.enableSubstitution(188 /* BinaryExpression */); - context.enableSubstitution(186 /* PrefixUnaryExpression */); - context.enableSubstitution(187 /* PostfixUnaryExpression */); - context.enableSubstitution(254 /* ShorthandPropertyAssignment */); - context.enableEmitNotification(256 /* SourceFile */); - var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var bindingNameExportSpecifiersMap; - // Subset of exportSpecifiers that is a binding-name. - // This is to reduce amount of memory we have to keep around even after we done with module-transformer - var bindingNameExportSpecifiersForFileMap = ts.createMap(); - var hasExportStarsToExportValues; - return transformSourceFile; /** - * Transforms the module aspects of a SourceFile. + * Visits a function expression. * - * @param node The SourceFile node. + * This will be called when one of the following conditions are met: + * - The function expression is a generator function. + * - The function expression is contained within the body of a generator function. + * + * @param node The node to visit. */ - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function visitFunctionExpression(node) { + // Currently, we only support generators that were originally async functions. + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { + node = ts.setOriginalNode(ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, node.name, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, transformGeneratorFunctionBody(node.body), + /*location*/ node), node); } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - currentSourceFile = node; - // Collect information about the external module. - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - // Perform the transformation. - var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; - var updated = transformModule_1(node); - ts.aggregateTransformFlags(updated); - currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - return updated; + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; } return node; - var _a; } /** - * Transforms a SourceFile into a CommonJS module. + * Visits a get or set accessor declaration. * - * @param node The SourceFile node. + * This will be called when one of the following conditions are met: + * - The accessor is contained within the body of a generator function. + * + * @param node The node to visit. */ - function transformCommonJSModule(node) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, /*emitAsReturn*/ false); - var updated = updateSourceFile(node, statements); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(updated, 2 /* EmitExportStar */ | ts.getEmitFlags(node)); - } - return updated; + function visitAccessorDeclaration(node) { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + return node; } /** - * Transforms a SourceFile into an AMD module. + * Transforms the body of a generator function declaration. * - * @param node The SourceFile node. + * @param node The function body to transform. */ - function transformAMDModule(node) { - var define = ts.createIdentifier("define"); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - return transformAsynchronousModule(node, define, moduleName, /*includeNonAmdDependencies*/ true); + function transformGeneratorFunctionBody(body) { + // Save existing generator state + var statements = []; + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + var savedBlocks = blocks; + var savedBlockOffsets = blockOffsets; + var savedBlockActions = blockActions; + var savedBlockStack = blockStack; + var savedLabelOffsets = labelOffsets; + var savedLabelExpressions = labelExpressions; + var savedNextLabelId = nextLabelId; + var savedOperations = operations; + var savedOperationArguments = operationArguments; + var savedOperationLocations = operationLocations; + var savedState = state; + // Initialize generator state + inGeneratorFunctionBody = true; + inStatementContainingYield = false; + blocks = undefined; + blockOffsets = undefined; + blockActions = undefined; + blockStack = undefined; + labelOffsets = undefined; + labelExpressions = undefined; + nextLabelId = 1; + operations = undefined; + operationArguments = undefined; + operationLocations = undefined; + state = ts.createTempVariable(/*recordTempVariable*/ undefined); + // Build the generator + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); + transformAndEmitStatements(body.statements, statementOffset); + var buildResult = build(); + ts.addRange(statements, endLexicalEnvironment()); + statements.push(ts.createReturn(buildResult)); + // Restore previous generator state + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + blocks = savedBlocks; + blockOffsets = savedBlockOffsets; + blockActions = savedBlockActions; + blockStack = savedBlockStack; + labelOffsets = savedLabelOffsets; + labelExpressions = savedLabelExpressions; + nextLabelId = savedNextLabelId; + operations = savedOperations; + operationArguments = savedOperationArguments; + operationLocations = savedOperationLocations; + state = savedState; + return ts.createBlock(statements, /*location*/ body, body.multiLine); } /** - * Transforms a SourceFile into a UMD module. + * Visits a variable statement. * - * @param node The SourceFile node. + * This will be called when one of the following conditions are met: + * - The variable statement is contained within the body of a generator function. + * + * @param node The node to visit. */ - function transformUMDModule(node) { - var define = ts.createIdentifier("define"); - ts.setEmitFlags(define, 16 /* UMDDefine */); - return transformAsynchronousModule(node, define, /*moduleName*/ undefined, /*includeNonAmdDependencies*/ false); + function visitVariableStatement(node) { + if (node.transformFlags & 16777216 /* ContainsYield */) { + transformAndEmitVariableDeclarationList(node.declarationList); + return undefined; + } + else { + // Do not hoist custom prologues. + if (ts.getEmitFlags(node) & 8388608 /* CustomPrologue */) { + return node; + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; + } + return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); + } } /** - * Transforms a SourceFile into an AMD or UMD module. + * Visits a binary expression. * - * @param node The SourceFile node. - * @param define The expression used to define the module. - * @param moduleName An expression for the module name, if available. - * @param includeNonAmdDependencies A value indicating whether to incldue any non-AMD dependencies. + * This will be called when one of the following conditions are met: + * - The node contains a YieldExpression. + * + * @param node The node to visit. */ - function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { - // An AMD define function has the following shape: - // - // define(id?, dependencies?, factory); - // - // This has the shape of the following: - // - // define(name, ["module1", "module2"], function (module1Alias) { ... } - // - // The location of the alias in the parameter list in the factory function needs to - // match the position of the module name in the dependency list. - // - // To ensure this is true in cases of modules with no aliases, e.g.: - // - // import "module" - // - // or - // - // /// - // - // we need to add modules without alias names to the end of the dependencies list - var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; - // Create an updated SourceFile: - // - // define(moduleName?, ["module1", "module2"], function ... - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(define, - /*typeArguments*/ undefined, (moduleName ? [moduleName] : []).concat([ - // Add the dependency array argument: - // - // ["require", "exports", module1", "module2", ...] - ts.createArrayLiteral([ - ts.createLiteral("require"), - ts.createLiteral("exports") - ].concat(aliasedModuleNames, unaliasedModuleNames)), - // Add the module body function argument: - // - // function (require, exports, module1, module2) ... - ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ - ts.createParameter("require"), - ts.createParameter("exports") - ].concat(importAliasNames), - /*type*/ undefined, transformAsynchronousModuleBody(node)) - ]))) - ]); + function visitBinaryExpression(node) { + switch (ts.getExpressionAssociativity(node)) { + case 0 /* Left */: + return visitLeftAssociativeBinaryExpression(node); + case 1 /* Right */: + return visitRightAssociativeBinaryExpression(node); + default: + ts.Debug.fail("Unknown associativity."); + } + } + function isCompoundAssignment(kind) { + return kind >= 58 /* FirstCompoundAssignment */ + && kind <= 69 /* LastCompoundAssignment */; + } + function getOperatorForCompoundAssignment(kind) { + switch (kind) { + case 58 /* PlusEqualsToken */: return 36 /* PlusToken */; + case 59 /* MinusEqualsToken */: return 37 /* MinusToken */; + case 60 /* AsteriskEqualsToken */: return 38 /* AsteriskToken */; + case 61 /* AsteriskAsteriskEqualsToken */: return 39 /* AsteriskAsteriskToken */; + case 62 /* SlashEqualsToken */: return 40 /* SlashToken */; + case 63 /* PercentEqualsToken */: return 41 /* PercentToken */; + case 64 /* LessThanLessThanEqualsToken */: return 44 /* LessThanLessThanToken */; + case 65 /* GreaterThanGreaterThanEqualsToken */: return 45 /* GreaterThanGreaterThanToken */; + case 66 /* GreaterThanGreaterThanGreaterThanEqualsToken */: return 46 /* GreaterThanGreaterThanGreaterThanToken */; + case 67 /* AmpersandEqualsToken */: return 47 /* AmpersandToken */; + case 68 /* BarEqualsToken */: return 48 /* BarToken */; + case 69 /* CaretEqualsToken */: return 49 /* CaretToken */; + } } /** - * Transforms a SourceFile into an AMD or UMD module body. + * Visits a right-associative binary expression containing `yield`. * - * @param node The SourceFile node. + * @param node The node to visit. */ - function transformAsynchronousModuleBody(node) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); - // Visit each statement of the module body. - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - // End the lexical environment for the module body - // and merge any new lexical declarations. - ts.addRange(statements, endLexicalEnvironment()); - // Append the 'export =' statement if provided. - addExportEqualsIfNeeded(statements, /*emitAsReturn*/ true); - var body = ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true); - if (hasExportStarsToExportValues) { - // If we have any `export * from ...` declarations - // we need to inform the emitter to add the __export helper. - ts.setEmitFlags(body, 2 /* EmitExportStar */); - } - return body; - } - function addExportEqualsIfNeeded(statements, emitAsReturn) { - if (exportEquals) { - if (emitAsReturn) { - var statement = ts.createReturn(exportEquals.expression, - /*location*/ exportEquals); - ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 49152 /* NoComments */); - statements.push(statement); + function visitRightAssociativeBinaryExpression(node) { + var left = node.left, right = node.right; + if (containsYield(right)) { + var target = void 0; + switch (left.kind) { + case 173 /* PropertyAccessExpression */: + // [source] + // a.b = yield; + // + // [intermediate] + // .local _a + // _a = a; + // .yield resumeLabel + // .mark resumeLabel + // _a.b = %sent%; + target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); + break; + case 174 /* ElementAccessExpression */: + // [source] + // a[b] = yield; + // + // [intermediate] + // .local _a, _b + // _a = a; + // _b = b; + // .yield resumeLabel + // .mark resumeLabel + // _a[_b] = %sent%; + target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); + break; + default: + target = ts.visitNode(left, visitor, ts.isExpression); + break; + } + var operator = node.operatorToken.kind; + if (isCompoundAssignment(operator)) { + return ts.createBinary(target, 57 /* EqualsToken */, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); } else { - var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), - /*location*/ exportEquals); - ts.setEmitFlags(statement, 49152 /* NoComments */); - statements.push(statement); + return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitLeftAssociativeBinaryExpression(node) { + if (containsYield(node.right)) { + if (ts.isLogicalOperator(node.operatorToken.kind)) { + return visitLogicalBinaryExpression(node); + } + else if (node.operatorToken.kind === 25 /* CommaToken */) { + return visitCommaExpression(node); } + // [source] + // a() + (yield) + c() + // + // [intermediate] + // .local _a + // _a = a(); + // .yield resumeLabel + // _a + %sent% + c() + var clone_6 = ts.getMutableClone(node); + clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); + clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); + return clone_6; } + return ts.visitEachChild(node, visitor, context); } /** - * Visits a node at the top level of the source file. + * Visits a logical binary expression containing `yield`. * - * @param node The node. + * @param node A node to visit. */ - function visitor(node) { - switch (node.kind) { - case 231 /* ImportDeclaration */: - return visitImportDeclaration(node); - case 230 /* ImportEqualsDeclaration */: - return visitImportEqualsDeclaration(node); - case 237 /* ExportDeclaration */: - return visitExportDeclaration(node); - case 236 /* ExportAssignment */: - return visitExportAssignment(node); - case 201 /* VariableStatement */: - return visitVariableStatement(node); - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 222 /* ClassDeclaration */: - return visitClassDeclaration(node); - case 203 /* ExpressionStatement */: - return visitExpressionStatement(node); - default: - // This visitor does not descend into the tree, as export/import statements - // are only transformed at the top level of a file. - return node; + function visitLogicalBinaryExpression(node) { + // Logical binary expressions (`&&` and `||`) are shortcutting expressions and need + // to be transformed as such: + // + // [source] + // x = a() && yield; + // + // [intermediate] + // .local _a + // _a = a(); + // .brfalse resultLabel, (_a) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .mark resultLabel + // x = _a; + // + // [source] + // x = a() || yield; + // + // [intermediate] + // .local _a + // _a = a(); + // .brtrue resultLabel, (_a) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .mark resultLabel + // x = _a; + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), /*location*/ node.left); + if (node.operatorToken.kind === 52 /* AmpersandAmpersandToken */) { + // Logical `&&` shortcuts when the left-hand operand is falsey. + emitBreakWhenFalse(resultLabel, resultLocal, /*location*/ node.left); + } + else { + // Logical `||` shortcuts when the left-hand operand is truthy. + emitBreakWhenTrue(resultLabel, resultLocal, /*location*/ node.left); } + emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), /*location*/ node.right); + markLabel(resultLabel); + return resultLocal; } /** - * Visits an ImportDeclaration node. + * Visits a comma expression containing `yield`. * - * @param node The ImportDeclaration node. + * @param node The node to visit. */ - function visitImportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; - } - var statements = []; - var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); - if (moduleKind !== ts.ModuleKind.AMD) { - if (!node.importClause) { - // import "mod"; - statements.push(ts.createStatement(createRequireCall(node), - /*location*/ node)); + function visitCommaExpression(node) { + // [source] + // x = a(), yield, b(); + // + // [intermediate] + // a(); + // .yield resumeLabel + // .mark resumeLabel + // x = %sent%, b(); + var pendingExpressions = []; + visit(node.left); + visit(node.right); + return ts.inlineExpressions(pendingExpressions); + function visit(node) { + if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25 /* CommaToken */) { + visit(node.left); + visit(node.right); } else { - var variables = []; - if (namespaceDeclaration && !ts.isDefaultImport(node)) { - // import * as n from "mod"; - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), - /*type*/ undefined, createRequireCall(node))); - } - else { - // import d from "mod"; - // import { x, y } from "mod"; - // import d, { x, y } from "mod"; - // import d, * as n from "mod"; - variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), - /*type*/ undefined, createRequireCall(node))); - if (namespaceDeclaration && ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), - /*type*/ undefined, ts.getGeneratedNameForNode(node))); - } + if (containsYield(node) && pendingExpressions.length > 0) { + emitWorker(1 /* Statement */, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); + pendingExpressions = []; } - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createConstDeclarationList(variables), - /*location*/ node)); + pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); } } - else if (namespaceDeclaration && ts.isDefaultImport(node)) { - // import d, * as n from "mod"; - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), - /*type*/ undefined, ts.getGeneratedNameForNode(node), - /*location*/ node) - ]))); - } - addExportImportAssignments(statements, node); - return ts.singleOrMany(statements); } - function visitImportEqualsDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + /** + * Visits a conditional expression containing `yield`. + * + * @param node The node to visit. + */ + function visitConditionalExpression(node) { + // [source] + // x = a() ? yield : b(); + // + // [intermediate] + // .local _a + // .brfalse whenFalseLabel, (a()) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .br resultLabel + // .mark whenFalseLabel + // _a = b(); + // .mark resultLabel + // x = _a; + // We only need to perform a specific transformation if a `yield` expression exists + // in either the `whenTrue` or `whenFalse` branches. + // A `yield` in the condition will be handled by the normal visitor. + if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { + var whenFalseLabel = defineLabel(); + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), /*location*/ node.condition); + emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), /*location*/ node.whenTrue); + emitBreak(resultLabel); + markLabel(whenFalseLabel); + emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), /*location*/ node.whenFalse); + markLabel(resultLabel); + return resultLocal; } - // Set emitFlags on the name of the importEqualsDeclaration - // This is so the printer will not substitute the identifier - ts.setEmitFlags(node.name, 128 /* NoSubstitution */); - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - if (ts.hasModifier(node, 1 /* Export */)) { - statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), - /*location*/ node)); - } - else { - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), - /*type*/ undefined, createRequireCall(node)) - ], - /*location*/ undefined, - /*flags*/ languageVersion >= 2 /* ES2015 */ ? 2 /* Const */ : 0 /* None */), - /*location*/ node)); - } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a `yield` expression. + * + * @param node The node to visit. + */ + function visitYieldExpression(node) { + // [source] + // x = yield a(); + // + // [intermediate] + // .yield resumeLabel, (a()) + // .mark resumeLabel + // x = %sent%; + // NOTE: we are explicitly not handling YieldStar at this time. + var resumeLabel = defineLabel(); + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + if (node.asteriskToken) { + emitYieldStar(expression, /*location*/ node); } else { - if (ts.hasModifier(node, 1 /* Export */)) { - statements.push(ts.createStatement(createExportAssignment(node.name, node.name), - /*location*/ node)); - } + emitYield(expression, /*location*/ node); } - addExportImportAssignments(statements, node); - return statements; + markLabel(resumeLabel); + return createGeneratorResume(); } - function visitExportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + /** + * Visits an ArrayLiteralExpression that contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitArrayLiteralExpression(node) { + return visitElements(node.elements, node.multiLine); + } + /** + * Visits an array of expressions containing one or more YieldExpression nodes + * and returns an expression for the resulting value. + * + * @param elements The elements to visit. + * @param multiLine Whether array literals created should be emitted on multiple lines. + */ + function visitElements(elements, _multiLine) { + // [source] + // ar = [1, yield, 2]; + // + // [intermediate] + // .local _a + // _a = [1]; + // .yield resumeLabel + // .mark resumeLabel + // ar = _a.concat([%sent%, 2]); + var numInitialElements = countInitialNodesWithoutYield(elements); + var temp = declareLocal(); + var hasAssignedTemp = false; + if (numInitialElements > 0) { + emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); + hasAssignedTemp = true; } - var generatedName = ts.getGeneratedNameForNode(node); - if (node.exportClause) { - var statements = []; - // export { x, y } from "mod"; - if (moduleKind !== ts.ModuleKind.AMD) { - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(generatedName, - /*type*/ undefined, createRequireCall(node)) - ]), - /*location*/ node)); - } - for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { - var specifier = _a[_i]; - var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); - statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), - /*location*/ specifier)); + var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); + return hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions); + function reduceElement(expressions, element) { + if (containsYield(element) && expressions.length > 0) { + emitAssignment(temp, hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions)); + hasAssignedTemp = true; + expressions = []; } - return ts.singleOrMany(statements); - } - else { - // export * from "mod"; - return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), - /*typeArguments*/ undefined, [ - moduleKind !== ts.ModuleKind.AMD - ? createRequireCall(node) - : generatedName - ]), - /*location*/ node); - } - } - function visitExportAssignment(node) { - if (node.isExportEquals) { - // Elide as `export=` is handled in addExportEqualsIfNeeded - return undefined; + expressions.push(ts.visitNode(element, visitor, ts.isExpression)); + return expressions; } - var statements = []; - addExportDefault(statements, node.expression, /*location*/ node); - return statements; - } - function addExportDefault(statements, expression, location) { - tryAddExportDefaultCompat(statements); - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); } - function tryAddExportDefaultCompat(statements) { - var original = ts.getOriginalNode(currentSourceFile); - ts.Debug.assert(original.kind === 256 /* SourceFile */); - if (!original.symbol.exports["___esModule"]) { - if (languageVersion === 0 /* ES3 */) { - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); + function visitObjectLiteralExpression(node) { + // [source] + // o = { + // a: 1, + // b: yield, + // c: 2 + // }; + // + // [intermediate] + // .local _a + // _a = { + // a: 1 + // }; + // .yield resumeLabel + // .mark resumeLabel + // o = (_a.b = %sent%, + // _a.c = 2, + // _a); + var properties = node.properties; + var multiLine = node.multiLine; + var numInitialProperties = countInitialNodesWithoutYield(properties); + var temp = declareLocal(); + emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), + /*location*/ undefined, multiLine)); + var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); + expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); + function reduceProperty(expressions, property) { + if (containsYield(property) && expressions.length > 0) { + emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); + expressions = []; } - else { - statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), - /*typeArguments*/ undefined, [ - ts.createIdentifier("exports"), - ts.createLiteral("__esModule"), - ts.createObjectLiteral([ - ts.createPropertyAssignment("value", ts.createLiteral(true)) - ]) - ]))); + var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); + var visited = ts.visitNode(expression, visitor, ts.isExpression); + if (visited) { + if (multiLine) { + visited.startsOnNewLine = true; + } + expressions.push(visited); } + return expressions; } } - function addExportImportAssignments(statements, node) { - if (ts.isImportEqualsDeclaration(node)) { - addExportMemberAssignments(statements, node.name); + /** + * Visits an ElementAccessExpression that contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitElementAccessExpression(node) { + if (containsYield(node.argumentExpression)) { + // [source] + // a = x[yield]; + // + // [intermediate] + // .local _a + // _a = x; + // .yield resumeLabel + // .mark resumeLabel + // a = _a[%sent%] + var clone_7 = ts.getMutableClone(node); + clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); + clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); + return clone_7; } - else { - var names = ts.reduceEachChild(node, collectExportMembers, []); - for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { - var name_35 = names_1[_i]; - addExportMemberAssignments(statements, name_35); - } + return ts.visitEachChild(node, visitor, context); + } + function visitCallExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + // [source] + // a.b(1, yield, 2); + // + // [intermediate] + // .local _a, _b, _c + // _b = (_a = a).b; + // _c = [1]; + // .yield resumeLabel + // .mark resumeLabel + // _b.apply(_a, _c.concat([%sent%, 2])); + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, /*cacheIdentifiers*/ true), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), + /*location*/ node), node); } + return ts.visitEachChild(node, visitor, context); } - function collectExportMembers(names, node) { - if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { - var name_36 = node.name; - if (ts.isIdentifier(name_36)) { - names.push(name_36); - } + function visitNewExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + // [source] + // new a.b(1, yield, 2); + // + // [intermediate] + // .local _a, _b, _c + // _b = (_a = a.b).bind; + // _c = [1]; + // .yield resumeLabel + // .mark resumeLabel + // new (_b.apply(_a, _c.concat([%sent%, 2]))); + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), + /*typeArguments*/ undefined, [], + /*location*/ node), node); } - return ts.reduceEachChild(node, collectExportMembers, names); + return ts.visitEachChild(node, visitor, context); } - function addExportMemberAssignments(statements, name) { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), - /*location*/ specifier.name))); - } + function transformAndEmitStatements(statements, start) { + if (start === void 0) { start = 0; } + var numStatements = statements.length; + for (var i = start; i < numStatements; i++) { + transformAndEmitStatement(statements[i]); } } - function addExportMemberAssignment(statements, node) { - if (ts.hasModifier(node, 512 /* Default */)) { - addExportDefault(statements, getDeclarationName(node), /*location*/ node); + function transformAndEmitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + transformAndEmitStatements(node.statements); } else { - statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144 /* LocalName */), /*location*/ node)); + transformAndEmitStatement(node); } } - function visitVariableStatement(node) { - // If the variable is for a generated declaration, - // we should maintain it and just strip off the 'export' modifier if necessary. - var originalKind = ts.getOriginalNode(node).kind; - if (originalKind === 226 /* ModuleDeclaration */ || - originalKind === 225 /* EnumDeclaration */ || - originalKind === 222 /* ClassDeclaration */) { - if (!ts.hasModifier(node, 1 /* Export */)) { - return node; - } - return ts.setOriginalNode(ts.createVariableStatement( - /*modifiers*/ undefined, node.declarationList), node); + function transformAndEmitStatement(node) { + var savedInStatementContainingYield = inStatementContainingYield; + if (!inStatementContainingYield) { + inStatementContainingYield = containsYield(node); + } + transformAndEmitStatementWorker(node); + inStatementContainingYield = savedInStatementContainingYield; + } + function transformAndEmitStatementWorker(node) { + switch (node.kind) { + case 200 /* Block */: + return transformAndEmitBlock(node); + case 203 /* ExpressionStatement */: + return transformAndEmitExpressionStatement(node); + case 204 /* IfStatement */: + return transformAndEmitIfStatement(node); + case 205 /* DoStatement */: + return transformAndEmitDoStatement(node); + case 206 /* WhileStatement */: + return transformAndEmitWhileStatement(node); + case 207 /* ForStatement */: + return transformAndEmitForStatement(node); + case 208 /* ForInStatement */: + return transformAndEmitForInStatement(node); + case 210 /* ContinueStatement */: + return transformAndEmitContinueStatement(node); + case 211 /* BreakStatement */: + return transformAndEmitBreakStatement(node); + case 212 /* ReturnStatement */: + return transformAndEmitReturnStatement(node); + case 213 /* WithStatement */: + return transformAndEmitWithStatement(node); + case 214 /* SwitchStatement */: + return transformAndEmitSwitchStatement(node); + case 215 /* LabeledStatement */: + return transformAndEmitLabeledStatement(node); + case 216 /* ThrowStatement */: + return transformAndEmitThrowStatement(node); + case 217 /* TryStatement */: + return transformAndEmitTryStatement(node); + default: + return emitStatement(ts.visitNode(node, visitor, ts.isStatement, /*optional*/ true)); } - var resultStatements = []; - // If we're exporting these variables, then these just become assignments to 'exports.blah'. - // We only want to emit assignments for variables with initializers. - if (ts.hasModifier(node, 1 /* Export */)) { - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length > 0) { - var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); - resultStatements.push(inlineAssignments); - } + } + function transformAndEmitBlock(node) { + if (containsYield(node)) { + transformAndEmitStatements(node.statements); } else { - resultStatements.push(node); - } - // While we might not have been exported here, each variable might have been exported - // later on in an export specifier (e.g. `export {foo as blah, bar}`). - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - addExportMemberAssignmentsForBindingName(resultStatements, decl.name); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return resultStatements; } - /** - * Creates appropriate assignments for each binding identifier that is exported in an export specifier, - * and inserts it into 'resultStatements'. - */ - function addExportMemberAssignmentsForBindingName(resultStatements, name) { - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - addExportMemberAssignmentsForBindingName(resultStatements, element.name); - } - } + function transformAndEmitExpressionStatement(node) { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + function transformAndEmitVariableDeclarationList(node) { + for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } - else { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - var sourceFileId = ts.getOriginalNodeId(currentSourceFile); - if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { - bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); + var variables = ts.getInitializedVariables(node); + var numVariables = variables.length; + var variablesWritten = 0; + var pendingExpressions = []; + while (variablesWritten < numVariables) { + for (var i = variablesWritten; i < numVariables; i++) { + var variable = variables[i]; + if (containsYield(variable.initializer) && pendingExpressions.length > 0) { + break; } - bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; - addExportMemberAssignments(resultStatements, name); + pendingExpressions.push(transformInitializedVariable(variable)); + } + if (pendingExpressions.length) { + emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); + variablesWritten += pendingExpressions.length; + pendingExpressions = []; } } + return undefined; } function transformInitializedVariable(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); + return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + } + function transformAndEmitIfStatement(node) { + if (containsYield(node)) { + // [source] + // if (x) + // /*thenStatement*/ + // else + // /*elseStatement*/ + // + // [intermediate] + // .brfalse elseLabel, (x) + // /*thenStatement*/ + // .br endLabel + // .mark elseLabel + // /*elseStatement*/ + // .mark endLabel + if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { + var endLabel = defineLabel(); + var elseLabel = node.elseStatement ? defineLabel() : undefined; + emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + emitBreak(endLabel); + markLabel(elseLabel); + transformAndEmitEmbeddedStatement(node.elseStatement); + } + markLabel(endLabel); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } } else { - return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitFunctionDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1 /* Export */)) { - // Keep async modifier for ES2017 transformer - var isAsync = ts.hasModifier(node, 256 /* Async */); - statements.push(ts.setOriginalNode(ts.createFunctionDeclaration( - /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, node.body, - /*location*/ node), - /*original*/ node)); - addExportMemberAssignment(statements, node); + function transformAndEmitDoStatement(node) { + if (containsYield(node)) { + // [source] + // do { + // /*body*/ + // } + // while (i < 10); + // + // [intermediate] + // .loop conditionLabel, endLabel + // .mark loopLabel + // /*body*/ + // .mark conditionLabel + // .brtrue loopLabel, (i < 10) + // .endloop + // .mark endLabel + var conditionLabel = defineLabel(); + var loopLabel = defineLabel(); + beginLoopBlock(/*continueLabel*/ conditionLabel); + markLabel(loopLabel); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(conditionLabel); + emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + endLoopBlock(); } else { - statements.push(node); - } - if (node.name) { - addExportMemberAssignments(statements, node.name); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return ts.singleOrMany(statements); } - function visitClassDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1 /* Export */)) { - statements.push(ts.setOriginalNode(ts.createClassDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, name, - /*typeParameters*/ undefined, node.heritageClauses, node.members, - /*location*/ node), - /*original*/ node)); - addExportMemberAssignment(statements, node); + function visitDoStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } else { - statements.push(node); - } - // Decorators end up creating a series of assignment expressions which overwrite - // the local binding that we export, so we need to defer from exporting decorated classes - // until the decoration assignments take place. We do this when visiting expression-statements. - if (node.name && !(node.decorators && node.decorators.length)) { - addExportMemberAssignments(statements, node.name); + return ts.visitEachChild(node, visitor, context); } - return ts.singleOrMany(statements); } - function visitExpressionStatement(node) { - var original = ts.getOriginalNode(node); - var origKind = original.kind; - if (origKind === 225 /* EnumDeclaration */ || origKind === 226 /* ModuleDeclaration */) { - return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); - } - else if (origKind === 222 /* ClassDeclaration */) { - // The decorated assignment for a class name may need to be transformed. - var classDecl = original; - if (classDecl.name) { - var statements = [node]; - addExportMemberAssignments(statements, classDecl.name); - return statements; - } + function transformAndEmitWhileStatement(node) { + if (containsYield(node)) { + // [source] + // while (i < 10) { + // /*body*/ + // } + // + // [intermediate] + // .loop loopLabel, endLabel + // .mark loopLabel + // .brfalse endLabel, (i < 10) + // /*body*/ + // .br loopLabel + // .endloop + // .mark endLabel + var loopLabel = defineLabel(); + var endLabel = beginLoopBlock(loopLabel); + markLabel(loopLabel); + emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.statement); + emitBreak(loopLabel); + endLoopBlock(); } - return node; - } - function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { - var statements = [node]; - // Preserve old behavior for enums in which a variable statement is emitted after the body itself. - if (ts.hasModifier(original, 1 /* Export */) && - original.kind === 225 /* EnumDeclaration */ && - ts.isFirstDeclarationOfKind(original, 225 /* EnumDeclaration */)) { - addVarForExportedEnumOrNamespaceDeclaration(statements, original); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - addExportMemberAssignments(statements, original.name); - return statements; - } - /** - * Adds a trailing VariableStatement for an enum or module declaration. - */ - function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { - var transformedStatement = ts.createVariableStatement( - /*modifiers*/ undefined, [ts.createVariableDeclaration(getDeclarationName(node), - /*type*/ undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], - /*location*/ node); - ts.setEmitFlags(transformedStatement, 49152 /* NoComments */); - statements.push(transformedStatement); - } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256 /* SourceFile */) { - bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - bindingNameExportSpecifiersMap = undefined; + function visitWhileStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } else { - previousOnEmitNode(emitContext, node, emitCallback); + return ts.visitEachChild(node, visitor, context); } } - /** - * Hooks node substitutions. - * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. - */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); + function transformAndEmitForStatement(node) { + if (containsYield(node)) { + // [source] + // for (var i = 0; i < 10; i++) { + // /*body*/ + // } + // + // [intermediate] + // .local i + // i = 0; + // .loop incrementLabel, endLoopLabel + // .mark conditionLabel + // .brfalse endLoopLabel, (i < 10) + // /*body*/ + // .mark incrementLabel + // i++; + // .br conditionLabel + // .endloop + // .mark endLoopLabel + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + if (node.initializer) { + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + transformAndEmitVariableDeclarationList(initializer); + } + else { + emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), + /*location*/ initializer)); + } + } + markLabel(conditionLabel); + if (node.condition) { + emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + } + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + if (node.incrementor) { + emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), + /*location*/ node.incrementor)); + } + emitBreak(conditionLabel); + endLoopBlock(); } - else if (ts.isShorthandPropertyAssignment(node)) { - return substituteShorthandPropertyAssignment(node); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return node; } - function substituteShorthandPropertyAssignment(node) { - var name = node.name; - var exportedOrImportedName = substituteExpressionIdentifier(name); - if (exportedOrImportedName !== name) { - // A shorthand property with an assignment initializer is probably part of a - // destructuring assignment - if (node.objectAssignmentInitializer) { - var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); - return ts.createPropertyAssignment(name, initializer, /*location*/ node); + function visitForStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + } + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } - return ts.createPropertyAssignment(name, exportedOrImportedName, /*location*/ node); + var variables = ts.getInitializedVariables(initializer); + node = ts.updateFor(node, variables.length > 0 + ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) + : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.incrementor, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); } - return node; - } - function substituteExpression(node) { - switch (node.kind) { - case 70 /* Identifier */: - return substituteExpressionIdentifier(node); - case 188 /* BinaryExpression */: - return substituteBinaryExpression(node); - case 187 /* PostfixUnaryExpression */: - case 186 /* PrefixUnaryExpression */: - return substituteUnaryExpression(node); + else { + node = ts.visitEachChild(node, visitor, context); + } + if (inStatementContainingYield) { + endLoopBlock(); } return node; } - function substituteExpressionIdentifier(node) { - return trySubstituteExportedName(node) - || trySubstituteImportedName(node) - || node; - } - function substituteBinaryExpression(node) { - var left = node.left; - // If the left-hand-side of the binaryExpression is an identifier and its is export through export Specifier - if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { - ts.setEmitFlags(node, 128 /* NoSubstitution */); - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, node); + function transformAndEmitForInStatement(node) { + // TODO(rbuckton): Source map locations + if (containsYield(node)) { + // [source] + // for (var p in o) { + // /*body*/ + // } + // + // [intermediate] + // .local _a, _b, _i + // _a = []; + // for (_b in o) _a.push(_b); + // _i = 0; + // .loop incrementLabel, endLoopLabel + // .mark conditionLabel + // .brfalse endLoopLabel, (_i < _a.length) + // p = _a[_i]; + // /*body*/ + // .mark incrementLabel + // _b++; + // .br conditionLabel + // .endloop + // .mark endLoopLabel + var keysArray = declareLocal(); // _a + var key = declareLocal(); // _b + var keysIndex = ts.createLoopVariable(); // _i + var initializer = node.initializer; + hoistVariableDeclaration(keysIndex); + emitAssignment(keysArray, ts.createArrayLiteral()); + emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), + /*typeArguments*/ undefined, [key])))); + emitAssignment(keysIndex, ts.createLiteral(0)); + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + markLabel(conditionLabel); + emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); + var variable = void 0; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable_1 = _a[_i]; + hoistVariableDeclaration(variable_1.name); } - return nestedExportAssignment; + variable = ts.getSynthesizedClone(initializer.declarations[0].name); + } + else { + variable = ts.visitNode(initializer, visitor, ts.isExpression); + ts.Debug.assert(ts.isLeftHandSideExpression(variable)); } + emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); + emitBreak(conditionLabel); + endLoopBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return node; } - function substituteUnaryExpression(node) { - // Because how the compiler only parse plusplus and minusminus to be either prefixUnaryExpression or postFixUnaryExpression depended on where they are - // We don't need to check that the operator has SyntaxKind.plusplus or SyntaxKind.minusminus - var operator = node.operator; - var operand = node.operand; - if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { - ts.setEmitFlags(node, 128 /* NoSubstitution */); - var transformedUnaryExpression = void 0; - if (node.kind === 187 /* PostfixUnaryExpression */) { - transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 /* PlusPlusToken */ ? 58 /* PlusEqualsToken */ : 59 /* MinusEqualsToken */), ts.createLiteral(1), - /*location*/ node); - // We have to set no substitution flag here to prevent visit the binary expression and substitute it again as we will preform all necessary substitution in here - ts.setEmitFlags(transformedUnaryExpression, 128 /* NoSubstitution */); - } - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, transformedUnaryExpression || node); - } - return nestedExportAssignment; + function visitForInStatement(node) { + // [source] + // for (var x in a) { + // /*body*/ + // } + // + // [intermediate] + // .local x + // .loop + // for (x in a) { + // /*body*/ + // } + // .endloop + if (inStatementContainingYield) { + beginScriptLoopBlock(); + } + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } + node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); + } + else { + node = ts.visitEachChild(node, visitor, context); + } + if (inStatementContainingYield) { + endLoopBlock(); } return node; } - function trySubstituteExportedName(node) { - var emitFlags = ts.getEmitFlags(node); - if ((emitFlags & 262144 /* LocalName */) === 0) { - var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072 /* ExportName */) !== 0); - if (container) { - if (container.kind === 256 /* SourceFile */) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), - /*location*/ node); - } + function transformAndEmitContinueStatement(node) { + var label = findContinueTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); + emitBreak(label, /*location*/ node); + } + function visitContinueStatement(node) { + if (inStatementContainingYield) { + var label = findContinueTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, /*location*/ node); } } - return undefined; + return ts.visitEachChild(node, visitor, context); } - function trySubstituteImportedName(node) { - if ((ts.getEmitFlags(node) & 262144 /* LocalName */) === 0) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (ts.isImportClause(declaration)) { - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), - /*location*/ node); - } - else if (ts.isImportSpecifier(declaration)) { - var name_37 = declaration.propertyName || declaration.name; - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_37), - /*location*/ node); - } + function transformAndEmitBreakStatement(node) { + var label = findBreakTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); + emitBreak(label, /*location*/ node); + } + function visitBreakStatement(node) { + if (inStatementContainingYield) { + var label = findBreakTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, /*location*/ node); } } - return undefined; + return ts.visitEachChild(node, visitor, context); } - function getModuleMemberName(name) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), name, - /*location*/ name); + function transformAndEmitReturnStatement(node) { + emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), + /*location*/ node); } - function createRequireCall(importNode) { - var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var args = []; - if (ts.isDefined(moduleName)) { - args.push(moduleName); - } - return ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, args); + function visitReturnStatement(node) { + return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), + /*location*/ node); } - function createExportStatement(name, value, location) { - var statement = ts.createStatement(createExportAssignment(name, value)); - statement.startsOnNewLine = true; - if (location) { - ts.setSourceMapRange(statement, location); + function transformAndEmitWithStatement(node) { + if (containsYield(node)) { + // [source] + // with (x) { + // /*body*/ + // } + // + // [intermediate] + // .with (x) + // /*body*/ + // .endwith + beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); + transformAndEmitEmbeddedStatement(node.statement); + endWithBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return statement; - } - function createExportAssignment(name, value) { - return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); } - function collectAsynchronousDependencies(node, includeNonAmdDependencies) { - // names of modules with corresponding parameter in the factory function - var aliasedModuleNames = []; - // names of modules with no corresponding parameters in factory function - var unaliasedModuleNames = []; - // names of the parameters in the factory function; these - // parameters need to match the indexes of the corresponding - // module names in aliasedModuleNames. - var importAliasNames = []; - // Fill in amd-dependency tags - for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { - var amdDependency = _a[_i]; - if (amdDependency.name) { - aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); - importAliasNames.push(ts.createParameter(amdDependency.name)); + function transformAndEmitSwitchStatement(node) { + if (containsYield(node.caseBlock)) { + // [source] + // switch (x) { + // case a: + // /*caseStatements*/ + // case b: + // /*caseStatements*/ + // default: + // /*defaultStatements*/ + // } + // + // [intermediate] + // .local _a + // .switch endLabel + // _a = x; + // switch (_a) { + // case a: + // .br clauseLabels[0] + // } + // switch (_a) { + // case b: + // .br clauseLabels[1] + // } + // .br clauseLabels[2] + // .mark clauseLabels[0] + // /*caseStatements*/ + // .mark clauseLabels[1] + // /*caseStatements*/ + // .mark clauseLabels[2] + // /*caseStatements*/ + // .endswitch + // .mark endLabel + var caseBlock = node.caseBlock; + var numClauses = caseBlock.clauses.length; + var endLabel = beginSwitchBlock(); + var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); + // Create labels for each clause and find the index of the first default clause. + var clauseLabels = []; + var defaultClauseIndex = -1; + for (var i = 0; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + clauseLabels.push(defineLabel()); + if (clause.kind === 250 /* DefaultClause */ && defaultClauseIndex === -1) { + defaultClauseIndex = i; + } } - else { - unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + // Emit switch statements for each run of case clauses either from the first case + // clause or the next case clause with a `yield` in its expression, up to the next + // case clause with a `yield` in its expression. + var clausesWritten = 0; + var pendingClauses = []; + while (clausesWritten < numClauses) { + var defaultClausesSkipped = 0; + for (var i = clausesWritten; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + if (clause.kind === 249 /* CaseClause */) { + var caseClause = clause; + if (containsYield(caseClause.expression) && pendingClauses.length > 0) { + break; + } + pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ + createInlineBreak(clauseLabels[i], /*location*/ caseClause.expression) + ])); + } + else { + defaultClausesSkipped++; + } + } + if (pendingClauses.length) { + emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); + clausesWritten += pendingClauses.length; + pendingClauses = []; + } + if (defaultClausesSkipped > 0) { + clausesWritten += defaultClausesSkipped; + defaultClausesSkipped = 0; + } } - } - for (var _b = 0, externalImports_1 = externalImports; _b < externalImports_1.length; _b++) { - var importNode = externalImports_1[_b]; - // Find the name of the external module - var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - // Find the name of the module alias, if there is one - var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); - if (includeNonAmdDependencies && importAliasName) { - // Set emitFlags on the name of the classDeclaration - // This is so that when printer will not substitute the identifier - ts.setEmitFlags(importAliasName, 128 /* NoSubstitution */); - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(ts.createParameter(importAliasName)); + if (defaultClauseIndex >= 0) { + emitBreak(clauseLabels[defaultClauseIndex]); } else { - unaliasedModuleNames.push(externalModuleName); + emitBreak(endLabel); + } + for (var i = 0; i < numClauses; i++) { + markLabel(clauseLabels[i]); + transformAndEmitStatements(caseBlock.clauses[i].statements); } + endSwitchBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; - } - function updateSourceFile(node, statements) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - return updated; } - var _a; - } - ts.transformModule = transformModule; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformSystemModule(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; - var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70 /* Identifier */); - context.enableSubstitution(188 /* BinaryExpression */); - context.enableSubstitution(186 /* PrefixUnaryExpression */); - context.enableSubstitution(187 /* PostfixUnaryExpression */); - context.enableEmitNotification(256 /* SourceFile */); - var exportFunctionForFileMap = []; - var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var exportFunctionForFile; - var contextObjectForFile; - var exportedLocalNames; - var exportedFunctionDeclarations; - var enclosingBlockScopedContainer; - var currentParent; - var currentNode; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function visitSwitchStatement(node) { + if (inStatementContainingYield) { + beginScriptSwitchBlock(); } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - currentSourceFile = node; - currentNode = node; - // Perform the transformation. - var updated = transformSystemModuleWorker(node); - ts.aggregateTransformFlags(updated); - currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - exportedLocalNames = undefined; - exportedFunctionDeclarations = undefined; - return updated; + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endSwitchBlock(); } return node; } - function transformSystemModuleWorker(node) { - // System modules have the following shape: - // - // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) - // - // The parameter 'exports' here is a callback '(name: string, value: T) => T' that - // is used to publish exported values. 'exports' returns its 'value' argument so in - // most cases expressions that mutate exported values can be rewritten as: - // - // expr -> exports('name', expr) - // - // The only exception in this rule is postfix unary operators, - // see comment to 'substitutePostfixUnaryExpression' for more details - ts.Debug.assert(!exportFunctionForFile); - // Collect information about the external module and dependency groups. - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - // Make sure that the name of the 'exports' function does not conflict with - // existing identifiers. - exportFunctionForFile = ts.createUniqueName("exports"); - contextObjectForFile = ts.createUniqueName("context"); - exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; - var dependencyGroups = collectDependencyGroups(externalImports); - var statements = []; - // Add the body of the module. - addSystemModuleBody(statements, node, dependencyGroups); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); - var body = ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ - ts.createParameter(exportFunctionForFile), - ts.createParameter(contextObjectForFile) - ], - /*type*/ undefined, ts.setEmitFlags(ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true), 1 /* EmitEmitHelpers */)); - // Write the call to `System.register` - // Clear the emit-helpers flag for later passes since we'll have already used it in the module body - // So the helper will be emit at the correct position instead of at the top of the source-file - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), - /*typeArguments*/ undefined, moduleName - ? [moduleName, dependencies, body] - : [dependencies, body])) - ], /*nodeEmitFlags*/ ~1 /* EmitEmitHelpers */ & ts.getEmitFlags(node)); - var _a; - } - /** - * Adds the statements for the module body function for the source file. - * - * @param statements The output statements for the module body. - * @param node The source file for the module. - * @param statementOffset The offset at which to begin visiting the statements of the SourceFile. - */ - function addSystemModuleBody(statements, node, dependencyGroups) { - // Shape of the body in system modules: - // - // function (exports) { - // - // - // - // return { - // setters: [ - // - // ], - // execute: function() { - // - // } - // } - // - // } - // - // i.e: - // - // import {x} from 'file1' - // var y = 1; - // export function foo() { return y + x(); } - // console.log(y); - // - // Will be transformed to: - // - // function(exports) { - // var file_1; // local alias - // var y; - // function foo() { return y + file_1.x(); } - // exports("foo", foo); - // return { - // setters: [ - // function(v) { file_1 = v } - // ], - // execute(): function() { - // y = 1; - // console.log(y); - // } - // }; - // } - // We start a new lexical environment in this function body, but *not* in the - // body of the execute function. This allows us to emit temporary declarations - // only in the outer module body and not in the inner one. - startLexicalEnvironment(); - // Add any prologue directives. - var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitSourceElement); - // var __moduleName = context_1 && context_1.id; - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("__moduleName", - /*type*/ undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) - ]))); - // Visit the statements of the source file, emitting any transformations into - // the `executeStatements` array. We do this *before* we fill the `setters` array - // as we both emit transformations as well as aggregate some data used when creating - // setters. This allows us to reduce the number of times we need to loop through the - // statements of the source file. - var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); - // We emit the lexical environment (hoisted variables and function declarations) - // early to align roughly with our previous emit output. - // Two key differences in this approach are: - // - Temporary variables will appear at the top rather than at the bottom of the file - // - Calls to the exporter for exported function declarations are grouped after - // the declarations. - ts.addRange(statements, endLexicalEnvironment()); - // Emit early exports for function declarations. - ts.addRange(statements, exportedFunctionDeclarations); - var exportStarFunction = addExportStarIfNeeded(statements); - statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ - ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), - ts.createPropertyAssignment("execute", ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, - /*parameters*/ [], - /*type*/ undefined, ts.createBlock(executeStatements, - /*location*/ undefined, - /*multiLine*/ true))) - ]), - /*multiLine*/ true))); - } - function addExportStarIfNeeded(statements) { - if (!hasExportStarsToExportValues) { - return; + function transformAndEmitLabeledStatement(node) { + if (containsYield(node)) { + // [source] + // x: { + // /*body*/ + // } + // + // [intermediate] + // .labeled "x", endLabel + // /*body*/ + // .endlabeled + // .mark endLabel + beginLabeledBlock(node.label.text); + transformAndEmitEmbeddedStatement(node.statement); + endLabeledBlock(); } - // when resolving exports local exported entries/indirect exported entries in the module - // should always win over entries with similar names that were added via star exports - // to support this we store names of local/indirect exported entries in a set. - // this set is used to filter names brought by star expors. - // local names set should only be added if we have anything exported - if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { - // no exported declarations (export var ...) or export specifiers (export {x}) - // check if we have any non star export declarations. - var hasExportDeclarationWithExportClause = false; - for (var _i = 0, externalImports_2 = externalImports; _i < externalImports_2.length; _i++) { - var externalImport = externalImports_2[_i]; - if (externalImport.kind === 237 /* ExportDeclaration */ && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - // we still need to emit exportStar helper - return addExportStarFunction(statements, /*localNames*/ undefined); - } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - var exportedNames = []; - if (exportedLocalNames) { - for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { - var exportedLocalName = exportedLocalNames_1[_a]; - // write name of exported declaration, i.e 'export var x...' - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); - } + } + function visitLabeledStatement(node) { + if (inStatementContainingYield) { + beginScriptLabeledBlock(node.label.text); } - for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { - var externalImport = externalImports_3[_b]; - if (externalImport.kind !== 237 /* ExportDeclaration */) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - // export * from ... - continue; - } - for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { - var element = _d[_c]; - // write name of indirectly exported entry, i.e. 'export {x} from ...' - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); - } + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endLabeledBlock(); } - var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exportedNamesStorageRef, - /*type*/ undefined, ts.createObjectLiteral(exportedNames, /*location*/ undefined, /*multiline*/ true)) - ]))); - return addExportStarFunction(statements, exportedNamesStorageRef); + return node; } - /** - * Emits a setter callback for each dependency group. - * @param write The callback used to write each callback. - */ - function generateSetters(exportStarFunction, dependencyGroups) { - var setters = []; - for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { - var group = dependencyGroups_1[_i]; - // derive a unique name for parameter from the first named entry in the group - var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); - var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); - var statements = []; - for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { - var entry = _b[_a]; - var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); - switch (entry.kind) { - case 231 /* ImportDeclaration */: - if (!entry.importClause) { - // 'import "..."' case - // module is imported only for side-effects, no emit required - break; - } - // fall-through - case 230 /* ImportEqualsDeclaration */: - ts.Debug.assert(importVariableName !== undefined); - // save import into the local - statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); - break; - case 237 /* ExportDeclaration */: - ts.Debug.assert(importVariableName !== undefined); - if (entry.exportClause) { - // export {a, b as c} from 'foo' - // - // emit as: - // - // exports_({ - // "a": _["a"], - // "c": _["b"] - // }); - var properties = []; - for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { - var e = _d[_c]; - properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); - } - statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, - /*typeArguments*/ undefined, [ts.createObjectLiteral(properties, /*location*/ undefined, /*multiline*/ true)]))); - } - else { - // export * from 'foo' - // - // emit as: - // - // exportStar(foo_1_1); - statements.push(ts.createStatement(ts.createCall(exportStarFunction, - /*typeArguments*/ undefined, [parameterName]))); - } - break; - } + function transformAndEmitThrowStatement(node) { + emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), + /*location*/ node); + } + function transformAndEmitTryStatement(node) { + if (containsYield(node)) { + // [source] + // try { + // /*tryBlock*/ + // } + // catch (e) { + // /*catchBlock*/ + // } + // finally { + // /*finallyBlock*/ + // } + // + // [intermediate] + // .local _a + // .try tryLabel, catchLabel, finallyLabel, endLabel + // .mark tryLabel + // .nop + // /*tryBlock*/ + // .br endLabel + // .catch + // .mark catchLabel + // _a = %error%; + // /*catchBlock*/ + // .br endLabel + // .finally + // .mark finallyLabel + // /*finallyBlock*/ + // .endfinally + // .endtry + // .mark endLabel + beginExceptionBlock(); + transformAndEmitEmbeddedStatement(node.tryBlock); + if (node.catchClause) { + beginCatchBlock(node.catchClause.variableDeclaration); + transformAndEmitEmbeddedStatement(node.catchClause.block); } - setters.push(ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ts.createParameter(parameterName)], - /*type*/ undefined, ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true))); + if (node.finallyBlock) { + beginFinallyBlock(); + transformAndEmitEmbeddedStatement(node.finallyBlock); + } + endExceptionBlock(); + } + else { + emitStatement(ts.visitEachChild(node, visitor, context)); } - return ts.createArrayLiteral(setters, /*location*/ undefined, /*multiLine*/ true); } - function visitSourceElement(node) { - switch (node.kind) { - case 231 /* ImportDeclaration */: - return visitImportDeclaration(node); - case 230 /* ImportEqualsDeclaration */: - return visitImportEqualsDeclaration(node); - case 237 /* ExportDeclaration */: - return visitExportDeclaration(node); - case 236 /* ExportAssignment */: - return visitExportAssignment(node); - default: - return visitNestedNode(node); + function containsYield(node) { + return node && (node.transformFlags & 16777216 /* ContainsYield */) !== 0; + } + function countInitialNodesWithoutYield(nodes) { + var numNodes = nodes.length; + for (var i = 0; i < numNodes; i++) { + if (containsYield(nodes[i])) { + return i; + } } + return -1; } - function visitNestedNode(node) { - var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var currentGrandparent = currentParent; - currentParent = currentNode; - currentNode = node; - if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { - enclosingBlockScopedContainer = currentParent; + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } - var result = visitNestedNodeWorker(node); - enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; - return result; + return node; } - function visitNestedNodeWorker(node) { - switch (node.kind) { - case 201 /* VariableStatement */: - return visitVariableStatement(node); - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 222 /* ClassDeclaration */: - return visitClassDeclaration(node); - case 207 /* ForStatement */: - return visitForStatement(node); - case 208 /* ForInStatement */: - return visitForInStatement(node); - case 209 /* ForOfStatement */: - return visitForOfStatement(node); - case 205 /* DoStatement */: - return visitDoStatement(node); - case 206 /* WhileStatement */: - return visitWhileStatement(node); - case 215 /* LabeledStatement */: - return visitLabeledStatement(node); - case 213 /* WithStatement */: - return visitWithStatement(node); - case 214 /* SwitchStatement */: - return visitSwitchStatement(node); - case 228 /* CaseBlock */: - return visitCaseBlock(node); - case 249 /* CaseClause */: - return visitCaseClause(node); - case 250 /* DefaultClause */: - return visitDefaultClause(node); - case 217 /* TryStatement */: - return visitTryStatement(node); - case 252 /* CatchClause */: - return visitCatchClause(node); - case 200 /* Block */: - return visitBlock(node); - case 203 /* ExpressionStatement */: - return visitExpressionStatement(node); - default: - return node; + function substituteExpression(node) { + if (ts.isIdentifier(node)) { + return substituteExpressionIdentifier(node); } + return node; } - function visitImportDeclaration(node) { - if (node.importClause && ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function substituteExpressionIdentifier(node) { + if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { + var original = ts.getOriginalNode(node); + if (ts.isIdentifier(original) && original.parent) { + var declaration = resolver.getReferencedValueDeclaration(original); + if (declaration) { + var name_39 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); + if (name_39) { + var clone_8 = ts.getMutableClone(name_39); + ts.setSourceMapRange(clone_8, node); + ts.setCommentRange(clone_8, node); + return clone_8; + } + } + } } - return undefined; + return node; } - function visitImportEqualsDeclaration(node) { - if (ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function cacheExpression(node) { + var temp; + if (ts.isGeneratedIdentifier(node)) { + return node; } - // NOTE(rbuckton): Do we support export import = require('') in System? - return undefined; + temp = ts.createTempVariable(hoistVariableDeclaration); + emitAssignment(temp, node, /*location*/ node); + return temp; } - function visitExportDeclaration(node) { - if (!node.moduleSpecifier) { - var statements = []; - ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); - return statements; + function declareLocal(name) { + var temp = name + ? ts.createUniqueName(name) + : ts.createTempVariable(/*recordTempVariable*/ undefined); + hoistVariableDeclaration(temp); + return temp; + } + /** + * Defines a label, uses as the target of a Break operation. + */ + function defineLabel() { + if (!labelOffsets) { + labelOffsets = []; } - return undefined; + var label = nextLabelId; + nextLabelId++; + labelOffsets[label] = -1; + return label; } - function visitExportSpecifier(specifier) { - recordExportName(specifier.name); - return createExportStatement(specifier.name, specifier.propertyName || specifier.name); + /** + * Marks the current operation with the specified label. + */ + function markLabel(label) { + ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); + labelOffsets[label] = operations ? operations.length : 0; } - function visitExportAssignment(node) { - if (node.isExportEquals) { - // Elide `export=` as it is illegal in a SystemJS module. - return undefined; + /** + * Begins a block operation (With, Break/Continue, Try/Catch/Finally) + * + * @param block Information about the block. + */ + function beginBlock(block) { + if (!blocks) { + blocks = []; + blockActions = []; + blockOffsets = []; + blockStack = []; } - return createExportStatement(ts.createLiteral("default"), node.expression); + var index = blockActions.length; + blockActions[index] = 0 /* Open */; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.push(block); + return index; } /** - * Visits a variable statement, hoisting declared names to the top-level module body. - * Each declaration is rewritten into an assignment expression. + * Ends the current block operation. + */ + function endBlock() { + var block = peekBlock(); + ts.Debug.assert(block !== undefined, "beginBlock was never called."); + var index = blockActions.length; + blockActions[index] = 1 /* Close */; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.pop(); + return block; + } + /** + * Gets the current open block. + */ + function peekBlock() { + return ts.lastOrUndefined(blockStack); + } + /** + * Gets the kind of the current open block. + */ + function peekBlockKind() { + var block = peekBlock(); + return block && block.kind; + } + /** + * Begins a code block for a generated `with` statement. * - * @param node The variable statement to visit. + * @param expression An identifier representing expression for the `with` block. */ - function visitVariableStatement(node) { - // hoist only non-block scoped declarations or block scoped declarations parented by source file - var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3 /* BlockScoped */) == 0) || - enclosingBlockScopedContainer.kind === 256 /* SourceFile */; - if (!shouldHoist) { - return node; + function beginWithBlock(expression) { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 1 /* With */, + expression: expression, + startLabel: startLabel, + endLabel: endLabel + }); + } + /** + * Ends a code block for a generated `with` statement. + */ + function endWithBlock() { + ts.Debug.assert(peekBlockKind() === 1 /* With */); + var block = endBlock(); + markLabel(block.endLabel); + } + function isWithBlock(block) { + return block.kind === 1 /* With */; + } + /** + * Begins a code block for a generated `try` statement. + */ + function beginExceptionBlock() { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 0 /* Exception */, + state: 0 /* Try */, + startLabel: startLabel, + endLabel: endLabel + }); + emitNop(); + return endLabel; + } + /** + * Enters the `catch` clause of a generated `try` statement. + * + * @param variable The catch variable. + */ + function beginCatchBlock(variable) { + ts.Debug.assert(peekBlockKind() === 0 /* Exception */); + var text = variable.name.text; + var name = declareLocal(text); + if (!renamedCatchVariables) { + renamedCatchVariables = ts.createMap(); + renamedCatchVariableDeclarations = ts.createMap(); + context.enableSubstitution(70 /* Identifier */); } - var isExported = ts.hasModifier(node, 1 /* Export */); - var expressions = []; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, isExported); - if (visited) { - expressions.push(visited); - } + renamedCatchVariables[text] = true; + renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; + var exception = peekBlock(); + ts.Debug.assert(exception.state < 1 /* Catch */); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var catchLabel = defineLabel(); + markLabel(catchLabel); + exception.state = 1 /* Catch */; + exception.catchVariable = name; + exception.catchLabel = catchLabel; + emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [])); + emitNop(); + } + /** + * Enters the `finally` block of a generated `try` statement. + */ + function beginFinallyBlock() { + ts.Debug.assert(peekBlockKind() === 0 /* Exception */); + var exception = peekBlock(); + ts.Debug.assert(exception.state < 2 /* Finally */); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var finallyLabel = defineLabel(); + markLabel(finallyLabel); + exception.state = 2 /* Finally */; + exception.finallyLabel = finallyLabel; + } + /** + * Ends the code block for a generated `try` statement. + */ + function endExceptionBlock() { + ts.Debug.assert(peekBlockKind() === 0 /* Exception */); + var exception = endBlock(); + var state = exception.state; + if (state < 2 /* Finally */) { + emitBreak(exception.endLabel); } - if (expressions.length) { - return ts.createStatement(ts.inlineExpressions(expressions), node); + else { + emitEndfinally(); } - return undefined; + markLabel(exception.endLabel); + emitNop(); + exception.state = 3 /* Done */; + } + function isExceptionBlock(block) { + return block.kind === 0 /* Exception */; } /** - * Transforms a VariableDeclaration into one or more assignment expressions. + * Begins a code block that supports `break` or `continue` statements that are defined in + * the source tree and not from generated code. * - * @param node The VariableDeclaration to transform. - * @param isExported A value used to indicate whether the containing statement was exported. + * @param labelText Names from containing labeled statements. */ - function transformVariable(node, isExported) { - // Hoist any bound names within the declaration. - hoistBindingElement(node, isExported); - if (!node.initializer) { - // If the variable has no initializer, ignore it. - return; + function beginScriptLoopBlock() { + beginBlock({ + kind: 3 /* Loop */, + isScript: true, + breakLabel: -1, + continueLabel: -1 + }); + } + /** + * Begins a code block that supports `break` or `continue` statements that are defined in + * generated code. Returns a label used to mark the operation to which to jump when a + * `break` statement targets this block. + * + * @param continueLabel A Label used to mark the operation to which to jump when a + * `continue` statement targets this block. + */ + function beginLoopBlock(continueLabel) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 3 /* Loop */, + isScript: false, + breakLabel: breakLabel, + continueLabel: continueLabel + }); + return breakLabel; + } + /** + * Ends a code block that supports `break` or `continue` statements that are defined in + * generated code or in the source tree. + */ + function endLoopBlock() { + ts.Debug.assert(peekBlockKind() === 3 /* Loop */); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - var name = node.name; - if (ts.isIdentifier(name)) { - // If the variable has an IdentifierName, write out an assignment expression in its place. - return ts.createAssignment(name, node.initializer); + } + /** + * Begins a code block that supports `break` statements that are defined in the source + * tree and not from generated code. + * + */ + function beginScriptSwitchBlock() { + beginBlock({ + kind: 2 /* Switch */, + isScript: true, + breakLabel: -1 + }); + } + /** + * Begins a code block that supports `break` statements that are defined in generated code. + * Returns a label used to mark the operation to which to jump when a `break` statement + * targets this block. + */ + function beginSwitchBlock() { + var breakLabel = defineLabel(); + beginBlock({ + kind: 2 /* Switch */, + isScript: false, + breakLabel: breakLabel + }); + return breakLabel; + } + /** + * Ends a code block that supports `break` statements that are defined in generated code. + */ + function endSwitchBlock() { + ts.Debug.assert(peekBlockKind() === 2 /* Switch */); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - else { - // If the variable has a BindingPattern, flatten the variable into multiple assignment expressions. - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); + } + function beginScriptLabeledBlock(labelText) { + beginBlock({ + kind: 4 /* Labeled */, + isScript: true, + labelText: labelText, + breakLabel: -1 + }); + } + function beginLabeledBlock(labelText) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 4 /* Labeled */, + isScript: false, + labelText: labelText, + breakLabel: breakLabel + }); + } + function endLabeledBlock() { + ts.Debug.assert(peekBlockKind() === 4 /* Labeled */); + var block = endBlock(); + if (!block.isScript) { + markLabel(block.breakLabel); } } /** - * Visits a FunctionDeclaration, hoisting it to the outer module body function. + * Indicates whether the provided block supports `break` statements. * - * @param node The function declaration to visit. + * @param block A code block. */ - function visitFunctionDeclaration(node) { - if (ts.hasModifier(node, 1 /* Export */)) { - // If the function is exported, ensure it has a name and rewrite the function without any export flags. - var name_38 = node.name || ts.getGeneratedNameForNode(node); - // Keep async modifier for ES2017 transformer - var isAsync = ts.hasModifier(node, 256 /* Async */); - var newNode = ts.createFunctionDeclaration( - /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name_38, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, node.body, - /*location*/ node); - // Record a declaration export in the outer module body function. - recordExportedFunctionDeclaration(node); - if (!ts.hasModifier(node, 512 /* Default */)) { - recordExportName(name_38); - } - ts.setOriginalNode(newNode, node); - node = newNode; - } - // Hoist the function declaration to the outer module body function. - hoistFunctionDeclaration(node); - return undefined; + function supportsUnlabeledBreak(block) { + return block.kind === 2 /* Switch */ + || block.kind === 3 /* Loop */; + } + /** + * Indicates whether the provided block supports `break` statements with labels. + * + * @param block A code block. + */ + function supportsLabeledBreakOrContinue(block) { + return block.kind === 4 /* Labeled */; + } + /** + * Indicates whether the provided block supports `continue` statements. + * + * @param block A code block. + */ + function supportsUnlabeledContinue(block) { + return block.kind === 3 /* Loop */; } - function visitExpressionStatement(node) { - var originalNode = ts.getOriginalNode(node); - if ((originalNode.kind === 226 /* ModuleDeclaration */ || originalNode.kind === 225 /* EnumDeclaration */) && ts.hasModifier(originalNode, 1 /* Export */)) { - var name_39 = getDeclarationName(originalNode); - // We only need to hoistVariableDeclaration for EnumDeclaration - // as ModuleDeclaration is already hoisted when the transformer call visitVariableStatement - // which then call transformsVariable for each declaration in declarationList - if (originalNode.kind === 225 /* EnumDeclaration */) { - hoistVariableDeclaration(name_39); + function hasImmediateContainingLabeledBlock(labelText, start) { + for (var j = start; j >= 0; j--) { + var containingBlock = blockStack[j]; + if (supportsLabeledBreakOrContinue(containingBlock)) { + if (containingBlock.labelText === labelText) { + return true; + } + } + else { + break; } - return [ - node, - createExportStatement(name_39, name_39) - ]; } - return node; + return false; } /** - * Visits a ClassDeclaration, hoisting its name to the outer module body function. + * Finds the label that is the target for a `break` statement. * - * @param node The class declaration to visit. + * @param labelText An optional name of a containing labeled statement. */ - function visitClassDeclaration(node) { - // Hoist the name of the class declaration to the outer module body function. - var name = getDeclarationName(node); - hoistVariableDeclaration(name); - var statements = []; - // Rewrite the class declaration into an assignment of a class expression. - statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression( - /*modifiers*/ undefined, node.name, - /*typeParameters*/ undefined, node.heritageClauses, node.members, - /*location*/ node)), - /*location*/ node)); - // If the class was exported, write a declaration export to the inner module body function. - if (ts.hasModifier(node, 1 /* Export */)) { - if (!ts.hasModifier(node, 512 /* Default */)) { - recordExportName(name); + function findBreakTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { + return block.breakLabel; + } + else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.breakLabel; + } } - statements.push(createDeclarationExport(node)); } - return statements; - } - function shouldHoistLoopInitializer(node) { - return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3 /* BlockScoped */) === 0; + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledBreak(block)) { + return block.breakLabel; + } + } + } + return 0; } /** - * Visits the body of a ForStatement to hoist declarations. + * Finds the label that is the target for a `continue` statement. * - * @param node The statement to visit. + * @param labelText An optional name of a containing labeled statement. */ - function visitForStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var expressions = []; - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, /*isExported*/ false); - if (visited) { - expressions.push(visited); + function findContinueTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.continueLabel; } } - ; - return ts.createFor(expressions.length - ? ts.inlineExpressions(expressions) - : ts.createSynthesizedNode(194 /* OmittedExpression */), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), - /*location*/ node); } else { - return ts.visitEachChild(node, visitNestedNode, context); + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block)) { + return block.continueLabel; + } + } } + return 0; } /** - * Transforms and hoists the declaration list of a ForInStatement or ForOfStatement into an expression. + * Creates an expression that can be used to indicate the value for a label. * - * @param node The decalaration list to transform. + * @param label A label. */ - function transformForBinding(node) { - var firstDeclaration = ts.firstOrUndefined(node.declarations); - hoistBindingElement(firstDeclaration, /*isExported*/ false); - var name = firstDeclaration.name; - return ts.isIdentifier(name) - ? name - : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); + function createLabel(label) { + if (label > 0) { + if (labelExpressions === undefined) { + labelExpressions = []; + } + var expression = ts.createSynthesizedNode(8 /* NumericLiteral */); + if (labelExpressions[label] === undefined) { + labelExpressions[label] = [expression]; + } + else { + labelExpressions[label].push(expression); + } + return expression; + } + return ts.createNode(194 /* OmittedExpression */); } /** - * Visits the body of a ForInStatement to hoist declarations. - * - * @param node The statement to visit. + * Creates a numeric literal for the provided instruction. */ - function visitForInStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - return updated; - } - else { - return ts.visitEachChild(node, visitNestedNode, context); - } + function createInstruction(instruction) { + var literal = ts.createLiteral(instruction); + literal.trailingComment = instructionNames[instruction]; + return literal; } /** - * Visits the body of a ForOfStatement to hoist declarations. + * Creates a statement that can be used indicate a Break operation to the provided label. * - * @param node The statement to visit. + * @param label A label. + * @param location An optional source map location for the statement. */ - function visitForOfStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - return updated; - } - else { - return ts.visitEachChild(node, visitNestedNode, context); - } + function createInlineBreak(label, location) { + ts.Debug.assert(label > 0, "Invalid label: " + label); + return ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), location); } /** - * Visits the body of a DoStatement to hoist declarations. + * Creates a statement that can be used indicate a Return operation. * - * @param node The statement to visit. + * @param expression The expression for the return statement. + * @param location An optional source map location for the statement. */ - function visitDoStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function createInlineReturn(expression, location) { + return ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2 /* Return */), expression] + : [createInstruction(2 /* Return */)]), location); } /** - * Visits the body of a WhileStatement to hoist declarations. - * - * @param node The statement to visit. + * Creates an expression that can be used to resume from a Yield operation. */ - function visitWhileStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function createGeneratorResume(location) { + return ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [], location); } /** - * Visits the body of a LabeledStatement to hoist declarations. + * Emits an empty instruction. + */ + function emitNop() { + emitWorker(0 /* Nop */); + } + /** + * Emits a Statement. * - * @param node The statement to visit. + * @param node A statement. */ - function visitLabeledStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function emitStatement(node) { + if (node) { + emitWorker(1 /* Statement */, [node]); + } + else { + emitNop(); } - return node; } /** - * Visits the body of a WithStatement to hoist declarations. + * Emits an Assignment operation. * - * @param node The statement to visit. + * @param left The left-hand side of the assignment. + * @param right The right-hand side of the assignment. + * @param location An optional source map location for the assignment. */ - function visitWithStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function emitAssignment(left, right, location) { + emitWorker(2 /* Assign */, [left, right], location); } /** - * Visits the body of a SwitchStatement to hoist declarations. + * Emits a Break operation to the specified label. * - * @param node The statement to visit. + * @param label A label. + * @param location An optional source map location for the assignment. */ - function visitSwitchStatement(node) { - var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); - if (caseBlock !== node.caseBlock) { - var updated = ts.getMutableClone(node); - updated.caseBlock = caseBlock; - return updated; - } - return node; + function emitBreak(label, location) { + emitWorker(3 /* Break */, [label], location); } /** - * Visits the body of a CaseBlock to hoist declarations. + * Emits a Break operation to the specified label when a condition evaluates to a truthy + * value at runtime. * - * @param node The node to visit. + * @param label A label. + * @param condition The condition. + * @param location An optional source map location for the assignment. */ - function visitCaseBlock(node) { - var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); - if (clauses !== node.clauses) { - var updated = ts.getMutableClone(node); - updated.clauses = clauses; - return updated; - } - return node; + function emitBreakWhenTrue(label, condition, location) { + emitWorker(4 /* BreakWhenTrue */, [label, condition], location); } /** - * Visits the body of a CaseClause to hoist declarations. + * Emits a Break to the specified label when a condition evaluates to a falsey value at + * runtime. * - * @param node The clause to visit. + * @param label A label. + * @param condition The condition. + * @param location An optional source map location for the assignment. */ - function visitCaseClause(node) { - var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); - if (statements !== node.statements) { - var updated = ts.getMutableClone(node); - updated.statements = statements; - return updated; - } - return node; + function emitBreakWhenFalse(label, condition, location) { + emitWorker(5 /* BreakWhenFalse */, [label, condition], location); } /** - * Visits the body of a DefaultClause to hoist declarations. + * Emits a YieldStar operation for the provided expression. * - * @param node The clause to visit. + * @param expression An optional value for the yield operation. + * @param location An optional source map location for the assignment. */ - function visitDefaultClause(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function emitYieldStar(expression, location) { + emitWorker(7 /* YieldStar */, [expression], location); } /** - * Visits the body of a TryStatement to hoist declarations. + * Emits a Yield operation for the provided expression. * - * @param node The statement to visit. + * @param expression An optional value for the yield operation. + * @param location An optional source map location for the assignment. */ - function visitTryStatement(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function emitYield(expression, location) { + emitWorker(6 /* Yield */, [expression], location); } /** - * Visits the body of a CatchClause to hoist declarations. + * Emits a Return operation for the provided expression. * - * @param node The clause to visit. + * @param expression An optional value for the operation. + * @param location An optional source map location for the assignment. */ - function visitCatchClause(node) { - var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); - if (block !== node.block) { - var updated = ts.getMutableClone(node); - updated.block = block; - return updated; - } - return node; + function emitReturn(expression, location) { + emitWorker(8 /* Return */, [expression], location); } /** - * Visits the body of a Block to hoist declarations. + * Emits a Throw operation for the provided expression. * - * @param node The block to visit. + * @param expression A value for the operation. + * @param location An optional source map location for the assignment. */ - function visitBlock(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function emitThrow(expression, location) { + emitWorker(9 /* Throw */, [expression], location); } - // - // Substitutions - // - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256 /* SourceFile */) { - exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - exportFunctionForFile = undefined; - } - else { - previousOnEmitNode(emitContext, node, emitCallback); - } + /** + * Emits an Endfinally operation. This is used to handle `finally` block semantics. + */ + function emitEndfinally() { + emitWorker(10 /* Endfinally */); } /** - * Hooks node substitutions. + * Emits an operation. * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. + * @param code The OpCode for the operation. + * @param args The optional arguments for the operation. */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); + function emitWorker(code, args, location) { + if (operations === undefined) { + operations = []; + operationArguments = []; + operationLocations = []; } - return node; + if (labelOffsets === undefined) { + // mark entry point + markLabel(defineLabel()); + } + var operationIndex = operations.length; + operations[operationIndex] = code; + operationArguments[operationIndex] = args; + operationLocations[operationIndex] = location; } /** - * Substitute the expression, if necessary. - * - * @param node The node to substitute. + * Builds the generator function body. */ - function substituteExpression(node) { - switch (node.kind) { - case 70 /* Identifier */: - return substituteExpressionIdentifier(node); - case 188 /* BinaryExpression */: - return substituteBinaryExpression(node); - case 186 /* PrefixUnaryExpression */: - case 187 /* PostfixUnaryExpression */: - return substituteUnaryExpression(node); - } - return node; + function build() { + blockIndex = 0; + labelNumber = 0; + labelNumbers = undefined; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + clauses = undefined; + statements = undefined; + exceptionBlockStack = undefined; + currentExceptionBlock = undefined; + withBlockStack = undefined; + var buildResult = buildStatements(); + return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), + /*typeArguments*/ undefined, [ + ts.createThis(), + ts.setEmitFlags(ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ts.createParameter(state)], + /*type*/ undefined, ts.createBlock(buildResult, + /*location*/ undefined, + /*multiLine*/ buildResult.length > 0)), 4194304 /* ReuseTempVariableScope */) + ]); } /** - * Substitution for identifiers exported at the top level of a module. + * Builds the statements for the generator function body. */ - function substituteExpressionIdentifier(node) { - var importDeclaration = resolver.getReferencedImportDeclaration(node); - if (importDeclaration) { - var importBinding = createImportBinding(importDeclaration); - if (importBinding) { - return importBinding; + function buildStatements() { + if (operations) { + for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { + writeOperation(operationIndex); } + flushFinalLabel(operations.length); } - return node; - } - function substituteBinaryExpression(node) { - if (ts.isAssignmentOperator(node.operatorToken.kind)) { - return substituteAssignmentExpression(node); + else { + flushFinalLabel(0); } - return node; - } - function substituteAssignmentExpression(node) { - ts.setEmitFlags(node, 128 /* NoSubstitution */); - var left = node.left; - switch (left.kind) { - case 70 /* Identifier */: - var exportDeclaration = resolver.getReferencedExportContainer(left); - if (exportDeclaration) { - return createExportExpression(left, node); - } - break; - case 172 /* ObjectLiteralExpression */: - case 171 /* ArrayLiteralExpression */: - if (hasExportedReferenceInDestructuringPattern(left)) { - return substituteDestructuring(node); - } - break; + if (clauses) { + var labelExpression = ts.createPropertyAccess(state, "label"); + var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); + switchStatement.startsOnNewLine = true; + return [switchStatement]; } - return node; - } - function isExportedBinding(name) { - var container = resolver.getReferencedExportContainer(name); - return container && container.kind === 256 /* SourceFile */; - } - function hasExportedReferenceInDestructuringPattern(node) { - switch (node.kind) { - case 70 /* Identifier */: - return isExportedBinding(node); - case 172 /* ObjectLiteralExpression */: - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var property = _a[_i]; - if (hasExportedReferenceInObjectDestructuringElement(property)) { - return true; - } - } - break; - case 171 /* ArrayLiteralExpression */: - for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { - var element = _c[_b]; - if (hasExportedReferenceInArrayDestructuringElement(element)) { - return true; - } - } - break; + if (statements) { + return statements; } - return false; + return []; } - function hasExportedReferenceInObjectDestructuringElement(node) { - if (ts.isShorthandPropertyAssignment(node)) { - return isExportedBinding(node.name); - } - else if (ts.isPropertyAssignment(node)) { - return hasExportedReferenceInDestructuringElement(node.initializer); - } - else { - return false; + /** + * Flush the current label and advance to a new label. + */ + function flushLabel() { + if (!statements) { + return; } + appendLabel(/*markLabelEnd*/ !lastOperationWasAbrupt); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + labelNumber++; } - function hasExportedReferenceInArrayDestructuringElement(node) { - if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + /** + * Flush the final label of the generator function body. + */ + function flushFinalLabel(operationIndex) { + if (isFinalLabelReachable(operationIndex)) { + tryEnterLabel(operationIndex); + withBlockStack = undefined; + writeReturn(/*expression*/ undefined, /*operationLocation*/ undefined); } - else { - return hasExportedReferenceInDestructuringElement(node); + if (statements && clauses) { + appendLabel(/*markLabelEnd*/ false); } + updateLabelExpressions(); } - function hasExportedReferenceInDestructuringElement(node) { - if (ts.isBinaryExpression(node)) { - var left = node.left; - return node.operatorToken.kind === 57 /* EqualsToken */ - && isDestructuringPattern(left) - && hasExportedReferenceInDestructuringPattern(left); + /** + * Tests whether the final label of the generator function body + * is reachable by user code. + */ + function isFinalLabelReachable(operationIndex) { + // if the last operation was *not* a completion (return/throw) then + // the final label is reachable. + if (!lastOperationWasCompletion) { + return true; } - else if (ts.isIdentifier(node)) { - return isExportedBinding(node); + // if there are no labels defined or referenced, then the final label is + // not reachable. + if (!labelOffsets || !labelExpressions) { + return false; } - else if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + // if the label for this offset is referenced, then the final label + // is reachable. + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex && labelExpressions[label]) { + return true; + } } - else if (isDestructuringPattern(node)) { - return hasExportedReferenceInDestructuringPattern(node); + return false; + } + /** + * Appends a case clause for the last label and sets the new label. + * + * @param markLabelEnd Indicates that the transition between labels was a fall-through + * from a previous case clause and the change in labels should be + * reflected on the `state` object. + */ + function appendLabel(markLabelEnd) { + if (!clauses) { + clauses = []; } - else { - return false; + if (statements) { + if (withBlockStack) { + // The previous label was nested inside one or more `with` blocks, so we + // surround the statements in generated `with` blocks to create the same environment. + for (var i = withBlockStack.length - 1; i >= 0; i--) { + var withBlock = withBlockStack[i]; + statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; + } + } + if (currentExceptionBlock) { + // The previous label was nested inside of an exception block, so we must + // indicate entry into a protected region by pushing the label numbers + // for each block in the protected region. + var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; + statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), + /*typeArguments*/ undefined, [ + ts.createArrayLiteral([ + createLabel(startLabel), + createLabel(catchLabel), + createLabel(finallyLabel), + createLabel(endLabel) + ]) + ]))); + currentExceptionBlock = undefined; + } + if (markLabelEnd) { + // The case clause for the last label falls through to this label, so we + // add an assignment statement to reflect the change in labels. + statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); + } } + clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); + statements = undefined; } - function isDestructuringPattern(node) { - var kind = node.kind; - return kind === 70 /* Identifier */ - || kind === 172 /* ObjectLiteralExpression */ - || kind === 171 /* ArrayLiteralExpression */; - } - function substituteDestructuring(node) { - return ts.flattenDestructuringAssignment(context, node, /*needsValue*/ true, hoistVariableDeclaration); - } - function substituteUnaryExpression(node) { - var operand = node.operand; - var operator = node.operator; - var substitute = ts.isIdentifier(operand) && - (node.kind === 187 /* PostfixUnaryExpression */ || - (node.kind === 186 /* PrefixUnaryExpression */ && (operator === 42 /* PlusPlusToken */ || operator === 43 /* MinusMinusToken */))); - if (substitute) { - var exportDeclaration = resolver.getReferencedExportContainer(operand); - if (exportDeclaration) { - var expr = ts.createPrefix(node.operator, operand, node); - ts.setEmitFlags(expr, 128 /* NoSubstitution */); - var call = createExportExpression(operand, expr); - if (node.kind === 186 /* PrefixUnaryExpression */) { - return call; + /** + * Tries to enter into a new label at the current operation index. + */ + function tryEnterLabel(operationIndex) { + if (!labelOffsets) { + return; + } + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex) { + flushLabel(); + if (labelNumbers === undefined) { + labelNumbers = []; + } + if (labelNumbers[labelNumber] === undefined) { + labelNumbers[labelNumber] = [label]; } else { - // export function returns the value that was passes as the second argument - // however for postfix unary expressions result value should be the value before modification. - // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' - return operator === 42 /* PlusPlusToken */ - ? ts.createSubtract(call, ts.createLiteral(1)) - : ts.createAdd(call, ts.createLiteral(1)); + labelNumbers[labelNumber].push(label); } } } - return node; } /** - * Gets a name to use for a DeclarationStatement. - * @param node The declaration statement. + * Updates literal expressions for labels with actual label numbers. */ - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); - } - function addExportStarFunction(statements, localNames) { - var exportStarFunction = ts.createUniqueName("exportStar"); - var m = ts.createIdentifier("m"); - var n = ts.createIdentifier("n"); - var exports = ts.createIdentifier("exports"); - var condition = ts.createStrictInequality(n, ts.createLiteral("default")); - if (localNames) { - condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + function updateLabelExpressions() { + if (labelExpressions !== undefined && labelNumbers !== undefined) { + for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { + var labels = labelNumbers[labelNumber_1]; + if (labels !== undefined) { + for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { + var label = labels_1[_i]; + var expressions = labelExpressions[label]; + if (expressions !== undefined) { + for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { + var expression = expressions_1[_a]; + expression.text = String(labelNumber_1); + } + } + } + } + } } - statements.push(ts.createFunctionDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, exportStarFunction, - /*typeParameters*/ undefined, [ts.createParameter(m)], - /*type*/ undefined, ts.createBlock([ - ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exports, - /*type*/ undefined, ts.createObjectLiteral([])) - ])), - ts.createForIn(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(n, /*type*/ undefined) - ]), m, ts.createBlock([ - ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32 /* SingleLine */) - ])), - ts.createStatement(ts.createCall(exportFunctionForFile, - /*typeArguments*/ undefined, [exports])) - ], - /*location*/ undefined, - /*multiline*/ true))); - return exportStarFunction; - } - /** - * Creates a call to the current file's export function to export a value. - * @param name The bound name of the export. - * @param value The exported value. - */ - function createExportExpression(name, value) { - var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; - return ts.createCall(exportFunctionForFile, /*typeArguments*/ undefined, [exportName, value]); } /** - * Creates a call to the current file's export function to export a value. - * @param name The bound name of the export. - * @param value The exported value. + * Tries to enter or leave a code block. */ - function createExportStatement(name, value) { - return ts.createStatement(createExportExpression(name, value)); + function tryEnterOrLeaveBlock(operationIndex) { + if (blocks) { + for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { + var block = blocks[blockIndex]; + var blockAction = blockActions[blockIndex]; + if (isExceptionBlock(block)) { + if (blockAction === 0 /* Open */) { + if (!exceptionBlockStack) { + exceptionBlockStack = []; + } + if (!statements) { + statements = []; + } + exceptionBlockStack.push(currentExceptionBlock); + currentExceptionBlock = block; + } + else if (blockAction === 1 /* Close */) { + currentExceptionBlock = exceptionBlockStack.pop(); + } + } + else if (isWithBlock(block)) { + if (blockAction === 0 /* Open */) { + if (!withBlockStack) { + withBlockStack = []; + } + withBlockStack.push(block); + } + else if (blockAction === 1 /* Close */) { + withBlockStack.pop(); + } + } + } + } } /** - * Creates a call to the current file's export function to export a declaration. - * @param node The declaration to export. + * Writes an operation as a statement to the current label's statement list. + * + * @param operation The OpCode of the operation */ - function createDeclarationExport(node) { - var declarationName = getDeclarationName(node); - var exportName = ts.hasModifier(node, 512 /* Default */) ? ts.createLiteral("default") : declarationName; - return createExportStatement(exportName, declarationName); - } - function createImportBinding(importDeclaration) { - var importAlias; - var name; - if (ts.isImportClause(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); - name = ts.createIdentifier("default"); + function writeOperation(operationIndex) { + tryEnterLabel(operationIndex); + tryEnterOrLeaveBlock(operationIndex); + // early termination, nothing else to process in this label + if (lastOperationWasAbrupt) { + return; } - else if (ts.isImportSpecifier(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); - name = importDeclaration.propertyName || importDeclaration.name; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + var opcode = operations[operationIndex]; + if (opcode === 0 /* Nop */) { + return; } - else { - return undefined; + else if (opcode === 10 /* Endfinally */) { + return writeEndfinally(); + } + var args = operationArguments[operationIndex]; + if (opcode === 1 /* Statement */) { + return writeStatement(args[0]); + } + var location = operationLocations[operationIndex]; + switch (opcode) { + case 2 /* Assign */: + return writeAssign(args[0], args[1], location); + case 3 /* Break */: + return writeBreak(args[0], location); + case 4 /* BreakWhenTrue */: + return writeBreakWhenTrue(args[0], args[1], location); + case 5 /* BreakWhenFalse */: + return writeBreakWhenFalse(args[0], args[1], location); + case 6 /* Yield */: + return writeYield(args[0], location); + case 7 /* YieldStar */: + return writeYieldStar(args[0], location); + case 8 /* Return */: + return writeReturn(args[0], location); + case 9 /* Throw */: + return writeThrow(args[0], location); } - return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); } - function collectDependencyGroups(externalImports) { - var groupIndices = ts.createMap(); - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var externalImport = externalImports[i]; - var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); - var text = externalModuleName.text; - if (ts.hasProperty(groupIndices, text)) { - // deduplicate/group entries in dependency list by the dependency name - var groupIndex = groupIndices[text]; - dependencyGroups[groupIndex].externalImports.push(externalImport); - continue; + /** + * Writes a statement to the current label's statement list. + * + * @param statement A statement to write. + */ + function writeStatement(statement) { + if (statement) { + if (!statements) { + statements = [statement]; } else { - groupIndices[text] = dependencyGroups.length; - dependencyGroups.push({ - name: externalModuleName, - externalImports: [externalImport] - }); + statements.push(statement); } } - return dependencyGroups; - } - function getNameOfDependencyGroup(dependencyGroup) { - return dependencyGroup.name; } - function recordExportName(name) { - if (!exportedLocalNames) { - exportedLocalNames = []; - } - exportedLocalNames.push(name); + /** + * Writes an Assign operation to the current label's statement list. + * + * @param left The left-hand side of the assignment. + * @param right The right-hand side of the assignment. + * @param operationLocation The source map location for the operation. + */ + function writeAssign(left, right, operationLocation) { + writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); } - function recordExportedFunctionDeclaration(node) { - if (!exportedFunctionDeclarations) { - exportedFunctionDeclarations = []; - } - exportedFunctionDeclarations.push(createDeclarationExport(node)); + /** + * Writes a Throw operation to the current label's statement list. + * + * @param expression The value to throw. + * @param operationLocation The source map location for the operation. + */ + function writeThrow(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createThrow(expression, operationLocation)); } - function hoistBindingElement(node, isExported) { - if (ts.isOmittedExpression(node)) { - return; - } - var name = node.name; - if (ts.isIdentifier(name)) { - hoistVariableDeclaration(ts.getSynthesizedClone(name)); - if (isExported) { - recordExportName(name); - } - } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); - } + /** + * Writes a Return operation to the current label's statement list. + * + * @param expression The value to return. + * @param operationLocation The source map location for the operation. + */ + function writeReturn(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2 /* Return */), expression] + : [createInstruction(2 /* Return */)]), operationLocation)); } - function hoistExportedBindingElement(node) { - hoistBindingElement(node, /*isExported*/ true); + /** + * Writes a Break operation to the current label's statement list. + * + * @param label The label for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreak(label, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), operationLocation)); } - function hoistNonExportedBindingElement(node) { - hoistBindingElement(node, /*isExported*/ false); + /** + * Writes a BreakWhenTrue operation to the current label's statement list. + * + * @param label The label for the Break. + * @param condition The condition for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreakWhenTrue(label, condition, operationLocation) { + writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), operationLocation))); } - function updateSourceFile(node, statements, nodeEmitFlags) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - ts.setEmitFlags(updated, nodeEmitFlags); - return updated; + /** + * Writes a BreakWhenFalse operation to the current label's statement list. + * + * @param label The label for the Break. + * @param condition The condition for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreakWhenFalse(label, condition, operationLocation) { + writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), operationLocation))); } - } - ts.transformSystemModule = transformSystemModule; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformES2015Module(context) { - var compilerOptions = context.getCompilerOptions(); - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - return ts.visitEachChild(node, visitor, context); - } - return node; + /** + * Writes a Yield operation to the current label's statement list. + * + * @param expression The expression to yield. + * @param operationLocation The source map location for the operation. + */ + function writeYield(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(4 /* Yield */), expression] + : [createInstruction(4 /* Yield */)]), operationLocation)); } - function visitor(node) { - switch (node.kind) { - case 230 /* ImportEqualsDeclaration */: - // Elide `import=` as it is not legal with --module ES6 - return undefined; - case 236 /* ExportAssignment */: - return visitExportAssignment(node); - } - return node; + /** + * Writes a YieldStar instruction to the current label's statement list. + * + * @param expression The expression to yield. + * @param operationLocation The source map location for the operation. + */ + function writeYieldStar(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(5 /* YieldStar */), + expression + ]), operationLocation)); } - function visitExportAssignment(node) { - // Elide `export=` as it is not legal with --module ES6 - return node.isExportEquals ? undefined : node; + /** + * Writes an Endfinally instruction to the current label's statement list. + */ + function writeEndfinally() { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(7 /* Endfinally */) + ]))); } } - ts.transformES2015Module = transformES2015Module; + ts.transformGenerators = transformGenerators; + var _a; })(ts || (ts = {})); /// /// @@ -54619,7 +54805,7 @@ var ts; var isCurrentFileExternalModule; var reportedDeclarationError = false; var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function () { } : writeJsDocComments; + var emitJsDocComments = compilerOptions.removeComments ? ts.noop : writeJsDocComments; var emit = compilerOptions.stripInternal ? stripInternal : emitNode; var noDeclare; var moduleElementDeclarationEmitInfo = []; @@ -59034,21 +59220,7 @@ var ts; // check properties that can affect structure of the program or module resolution strategy // if any of these properties has changed - structure cannot be reused var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.moduleResolution !== options.moduleResolution) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs) || - (oldOptions.rootDir !== options.rootDir) || - (oldOptions.configFilePath !== options.configFilePath) || - (oldOptions.baseUrl !== options.baseUrl) || - (oldOptions.maxNodeModuleJsDepth !== options.maxNodeModuleJsDepth) || - !ts.arrayIsEqualTo(oldOptions.lib, options.lib) || - !ts.arrayIsEqualTo(oldOptions.typeRoots, oldOptions.typeRoots) || - !ts.arrayIsEqualTo(oldOptions.rootDirs, options.rootDirs) || - !ts.equalOwnProperties(oldOptions.paths, options.paths)) { + if (ts.changesAffectModuleResolution(oldOptions, options)) { return false; } ts.Debug.assert(!oldProgram.structureIsReused); @@ -59455,8 +59627,7 @@ var ts; return runWithCancellationToken(function () { var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); // Don't actually write any files since we're just getting diagnostics. - var writeFile = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile); + return ts.getDeclarationDiagnostics(getEmitHost(ts.noop), resolver, sourceFile); }); } function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { @@ -60580,7 +60751,13 @@ var ts; i++; break; case "boolean": - options[opt.name] = true; + // boolean flag has optional value true, false, others + var optValue = args[i]; + options[opt.name] = optValue !== "false"; + // consume next argument as boolean flag value + if (optValue === "false" || optValue === "true") { + i++; + } break; case "string": options[opt.name] = args[i] || ""; @@ -60879,6 +61056,9 @@ var ts; if (ts.hasProperty(json, "files")) { if (ts.isArray(json["files"])) { fileNames = json["files"]; + if (fileNames.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json")); + } } else { errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); @@ -60916,7 +61096,11 @@ var ts; if (fileNames === undefined && includeSpecs === undefined) { includeSpecs = ["**/*"]; } - return matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + if (result.fileNames.length === 0 && !ts.hasProperty(json, "files") && resolutionStack.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || []))); + } + return result; } var _b; } @@ -62579,8 +62763,8 @@ var ts; increaseIndent: function () { indent++; }, decreaseIndent: function () { indent--; }, clear: resetWriter, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop }; function writeIndent() { if (lineStart) { @@ -63925,7 +64109,7 @@ var ts; if (!type) { return; } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { ts.forEach(type.types, function (t) { return addStringLiteralCompletionsFromType(t, result); }); } else { @@ -64581,7 +64765,7 @@ var ts; symbols.push(symbol); } } - if (isJavaScriptFile && type.flags & 524288 /* Union */) { + if (isJavaScriptFile && type.flags & 65536 /* Union */) { // In javascript files, for union types, we don't just get the members that // the individual types have in common, we also include all the members that // each individual type has. This is because we're going to add all identifiers @@ -66274,7 +66458,7 @@ var ts; if (localParentType.symbol && localParentType.symbol.flags & (32 /* Class */ | 64 /* Interface */) && localParentType.symbol !== searchSymbol.parent) { return [localParentType.symbol]; } - else if (localParentType.flags & 1572864 /* UnionOrIntersection */) { + else if (localParentType.flags & 196608 /* UnionOrIntersection */) { return getSymbolsForClassAndInterfaceComponents(localParentType); } } @@ -66438,7 +66622,7 @@ var ts; if (componentType.symbol && componentType.symbol.getFlags() & (32 /* Class */ | 64 /* Interface */)) { result.push(componentType.symbol); } - if (componentType.getFlags() & 1572864 /* UnionOrIntersection */) { + if (componentType.getFlags() & 196608 /* UnionOrIntersection */) { getSymbolsForClassAndInterfaceComponents(componentType, result); } } @@ -66718,8 +66902,8 @@ var ts; if (!node_2 || node_2.kind !== 9 /* StringLiteral */) { return; } - var type_1 = ts.getStringLiteralTypeForNode(node_2, typeChecker); - if (type_1 === searchType) { + var type_2 = ts.getStringLiteralTypeForNode(node_2, typeChecker); + if (type_2 === searchType) { references.push(getReferenceEntryFromNode(node_2)); } } @@ -66939,7 +67123,7 @@ var ts; if (symbol_2) { result_4.push(symbol_2); } - if (contextualType.flags & 524288 /* Union */) { + if (contextualType.flags & 65536 /* Union */) { ts.forEach(contextualType.types, function (t) { var symbol = t.getProperty(name); if (symbol) { @@ -67213,7 +67397,7 @@ var ts; if (!type) { return undefined; } - if (type.flags & 524288 /* Union */ && !(type.flags & 16 /* Enum */)) { + if (type.flags & 65536 /* Union */ && !(type.flags & 16 /* Enum */)) { var result_5 = []; ts.forEach(type.types, function (t) { if (t.symbol) { @@ -67622,6 +67806,16 @@ var ts; // that we are confident require typings var safeList; var EmptySafeList = ts.createMap(); + /* @internal */ + JsTyping.nodeCoreModuleList = [ + "buffer", "querystring", "events", "http", "cluster", + "zlib", "os", "https", "punycode", "repl", "readline", + "vm", "child_process", "url", "dns", "net", + "dgram", "fs", "path", "string_decoder", "tls", + "crypto", "stream", "util", "assert", "tty", "domain", + "constants", "process", "v8", "timers", "console" + ]; + var nodeCoreModules = ts.arrayToMap(JsTyping.nodeCoreModuleList, function (x) { return x; }); /** * @param host is the object providing I/O related operations. * @param fileNames are the file names that belong to the same project @@ -67631,7 +67825,7 @@ var ts; * @param typingOptions are used to customize the typing inference process * @param compilerOptions are used as a source for typing inference */ - function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions) { + function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions, unresolvedImports) { // A typing name to typing file path mapping var inferredTypings = ts.createMap(); if (!typingOptions || !typingOptions.enableAutoDiscovery) { @@ -67667,6 +67861,16 @@ var ts; getTypingNamesFromNodeModuleFolder(nodeModulesPath); } getTypingNamesFromSourceFileNames(fileNames); + // add typings for unresolved imports + if (unresolvedImports) { + for (var _a = 0, unresolvedImports_1 = unresolvedImports; _a < unresolvedImports_1.length; _a++) { + var moduleId = unresolvedImports_1[_a]; + var typingName = moduleId in nodeCoreModules ? "node" : moduleId; + if (!(typingName in inferredTypings)) { + inferredTypings[typingName] = undefined; + } + } + } // Add the cached typing locations for inferred typings that are already installed for (var name_48 in packageNameToTypingLocation) { if (name_48 in inferredTypings && !inferredTypings[name_48]) { @@ -67674,8 +67878,8 @@ var ts; } } // Remove typings that the user has added to the exclude list - for (var _a = 0, exclude_1 = exclude; _a < exclude_1.length; _a++) { - var excludeTypingName = exclude_1[_a]; + for (var _b = 0, exclude_1 = exclude; _b < exclude_1.length; _b++) { + var excludeTypingName = exclude_1[_b]; delete inferredTypings[excludeTypingName]; } var newTypingNames = []; @@ -67707,10 +67911,12 @@ var ts; * Get the typing info from common package manager json files like package.json or bower.json */ function getTypingNamesFromJson(jsonPath, filesToWatch) { + if (host.fileExists(jsonPath)) { + filesToWatch.push(jsonPath); + } var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }); if (result.config) { var jsonConfig = result.config; - filesToWatch.push(jsonPath); if (jsonConfig.dependencies) { mergeTypings(ts.getOwnKeys(jsonConfig.dependencies)); } @@ -68332,6 +68538,9 @@ var ts; if (ts.getModifierFlags(node) & 512 /* Default */) { return "default"; } + // We may get a string with newlines or other whitespace in the case of an object dereference + // (eg: "app\n.onactivated"), so we should remove the whitespace for readabiltiy in the + // navigation bar. return getFunctionOrClassName(node); case 149 /* Constructor */: return "constructor"; @@ -68509,7 +68718,7 @@ var ts; } else if (node.parent.kind === 188 /* BinaryExpression */ && node.parent.operatorToken.kind === 57 /* EqualsToken */) { - return nodeText(node.parent.left); + return nodeText(node.parent.left).replace(whiteSpaceRegex, ""); } else if (node.parent.kind === 253 /* PropertyAssignment */ && node.parent.name) { return nodeText(node.parent.name); @@ -68524,6 +68733,20 @@ var ts; function isFunctionOrClassExpression(node) { return node.kind === 180 /* FunctionExpression */ || node.kind === 181 /* ArrowFunction */ || node.kind === 193 /* ClassExpression */; } + /** + * Matches all whitespace characters in a string. Eg: + * + * "app. + * + * onactivated" + * + * matches because of the newline, whereas + * + * "app.onactivated" + * + * does not match. + */ + var whiteSpaceRegex = /\s+/g; })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); })(ts || (ts = {})); /* @internal */ @@ -70400,7 +70623,7 @@ var ts; displayParts.push(ts.keywordPart(93 /* NewKeyword */)); displayParts.push(ts.spacePart()); } - if (!(type.flags & 2097152 /* Anonymous */) && type.symbol) { + if (!(type.flags & 32768 /* Object */ && type.objectFlags & 16 /* Anonymous */) && type.symbol) { ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */)); } addSignatureDisplayParts(signature, allSignatures, 8 /* WriteArrowStyleSignature */); @@ -70831,7 +71054,7 @@ var ts; return typeof o.type === "object" && !ts.forEachProperty(o.type, function (v) { return typeof v !== "number"; }); }); options = ts.clone(options); - var _loop_2 = function (opt) { + var _loop_3 = function (opt) { if (!ts.hasProperty(options, opt.name)) { return "continue"; } @@ -70850,7 +71073,7 @@ var ts; }; for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) { var opt = commandLineOptionsStringToEnum_1[_i]; - _loop_2(opt); + _loop_3(opt); } return options; } @@ -74088,7 +74311,7 @@ var ts; return this.checker.getIndexTypeOfType(this, 1 /* Number */); }; TypeObject.prototype.getBaseTypes = function () { - return this.flags & (32768 /* Class */ | 65536 /* Interface */) + return this.flags & 32768 /* Object */ && this.objectFlags & (1 /* Class */ | 2 /* Interface */) ? this.checker.getBaseTypes(this) : undefined; }; @@ -74599,7 +74822,7 @@ var ts; useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, - writeFile: function () { }, + writeFile: ts.noop, getCurrentDirectory: function () { return currentDirectory; }, fileExists: function (fileName) { // stub missing host functionality @@ -76706,7 +76929,7 @@ var ts; var getCanonicalFileName = ts.createGetCanonicalFileName(/*useCaseSensitivefileNames:*/ false); return this.forwardJSONCall("discoverTypings()", function () { var info = JSON.parse(discoverTypingsJson); - return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions); + return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions, info.unresolvedImports); }); }; return CoreServicesShimObject; @@ -76795,5 +77018,3 @@ var TypeScript; /* @internal */ var toolsVersion = "2.1"; /* tslint:enable:no-unused-variable */ - -//# sourceMappingURL=typescriptServices.js.map diff --git a/lib/typescriptServices.d.ts b/lib/typescriptServices.d.ts index 2558f2a3f992a..a34ecfd108068 100644 --- a/lib/typescriptServices.d.ts +++ b/lib/typescriptServices.d.ts @@ -443,6 +443,7 @@ declare namespace ts { kind: SyntaxKind.Identifier; text: string; originalKeywordKind?: SyntaxKind; + isInJSDocNamespace?: boolean; } interface TransientIdentifier extends Identifier { resolvedSymbol: Symbol; @@ -1141,12 +1142,16 @@ declare namespace ts { interface ModuleDeclaration extends DeclarationStatement { kind: SyntaxKind.ModuleDeclaration; name: Identifier | LiteralExpression; - body?: ModuleBlock | NamespaceDeclaration; + body?: ModuleBlock | NamespaceDeclaration | JSDocNamespaceDeclaration | Identifier; } interface NamespaceDeclaration extends ModuleDeclaration { name: Identifier; body: ModuleBlock | NamespaceDeclaration; } + interface JSDocNamespaceDeclaration extends ModuleDeclaration { + name: Identifier; + body: JSDocNamespaceDeclaration | Identifier; + } interface ModuleBlock extends Node, Statement { kind: SyntaxKind.ModuleBlock; statements: NodeArray; @@ -1318,6 +1323,7 @@ declare namespace ts { } interface JSDocTypedefTag extends JSDocTag, Declaration { kind: SyntaxKind.JSDocTypedefTag; + fullName?: JSDocNamespaceDeclaration | Identifier; name?: Identifier; typeExpression?: JSDocTypeExpression; jsDocTypeLiteral?: JSDocTypeLiteral; @@ -1708,14 +1714,9 @@ declare namespace ts { Null = 4096, Never = 8192, TypeParameter = 16384, - Class = 32768, - Interface = 65536, - Reference = 131072, - Tuple = 262144, - Union = 524288, - Intersection = 1048576, - Anonymous = 2097152, - Instantiated = 4194304, + Object = 32768, + Union = 65536, + Intersection = 131072, Literal = 480, StringOrNumberLiteral = 96, PossiblyFalsy = 7406, @@ -1723,12 +1724,11 @@ declare namespace ts { NumberLike = 340, BooleanLike = 136, EnumLike = 272, - ObjectType = 2588672, - UnionOrIntersection = 1572864, - StructuredType = 4161536, - StructuredOrTypeParameter = 4177920, - Narrowable = 4178943, - NotUnionOrUnit = 2589185, + UnionOrIntersection = 196608, + StructuredType = 229376, + StructuredOrTypeParameter = 245760, + Narrowable = 246783, + NotUnionOrUnit = 33281, } type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; interface Type { @@ -1749,8 +1749,20 @@ declare namespace ts { interface EnumLiteralType extends LiteralType { baseType: EnumType & UnionType; } + enum ObjectFlags { + Class = 1, + Interface = 2, + Reference = 4, + Tuple = 8, + Anonymous = 16, + Instantiated = 32, + ObjectLiteral = 64, + EvolvingArray = 128, + ObjectLiteralPatternWithComputedProperties = 256, + ClassOrInterface = 3, + } interface ObjectType extends Type { - isObjectLiteralPatternWithComputedProperties?: boolean; + objectFlags: ObjectFlags; } interface InterfaceType extends ObjectType { typeParameters: TypeParameter[]; @@ -1778,6 +1790,11 @@ declare namespace ts { } interface IntersectionType extends UnionOrIntersectionType { } + type StructuredType = ObjectType | UnionType | IntersectionType; + interface EvolvingArrayType extends ObjectType { + elementType: Type; + finalArrayType?: Type; + } interface TypeParameter extends Type { constraint: Type; } @@ -1912,6 +1929,7 @@ declare namespace ts { packageNameToTypingLocation: Map; typingOptions: TypingOptions; compilerOptions: CompilerOptions; + unresolvedImports: ReadonlyArray; } enum ModuleKind { None = 0, @@ -2057,6 +2075,8 @@ declare namespace ts { getMemoryUsage?(): number; exit(exitCode?: number): void; realpath?(path: string): string; + setTimeout?(callback: (...args: any[]) => void, ms: number, ...args: any[]): any; + clearTimeout?(timeoutId: any): void; } interface FileWatcher { close(): void; diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js index dad603b624aa2..bf324bf210821 100644 --- a/lib/typescriptServices.js +++ b/lib/typescriptServices.js @@ -670,24 +670,17 @@ var ts; TypeFlags[TypeFlags["Null"] = 4096] = "Null"; TypeFlags[TypeFlags["Never"] = 8192] = "Never"; TypeFlags[TypeFlags["TypeParameter"] = 16384] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 32768] = "Class"; - TypeFlags[TypeFlags["Interface"] = 65536] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 131072] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 262144] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 524288] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 1048576] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 2097152] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 4194304] = "Instantiated"; + TypeFlags[TypeFlags["Object"] = 32768] = "Object"; + TypeFlags[TypeFlags["Union"] = 65536] = "Union"; + TypeFlags[TypeFlags["Intersection"] = 131072] = "Intersection"; /* @internal */ - TypeFlags[TypeFlags["ObjectLiteral"] = 8388608] = "ObjectLiteral"; + TypeFlags[TypeFlags["FreshLiteral"] = 262144] = "FreshLiteral"; /* @internal */ - TypeFlags[TypeFlags["FreshLiteral"] = 16777216] = "FreshLiteral"; + TypeFlags[TypeFlags["ContainsWideningType"] = 524288] = "ContainsWideningType"; /* @internal */ - TypeFlags[TypeFlags["ContainsWideningType"] = 33554432] = "ContainsWideningType"; + TypeFlags[TypeFlags["ContainsObjectLiteral"] = 1048576] = "ContainsObjectLiteral"; /* @internal */ - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 67108864] = "ContainsObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 134217728] = "ContainsAnyFunctionType"; + TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 2097152] = "ContainsAnyFunctionType"; /* @internal */ TypeFlags[TypeFlags["Nullable"] = 6144] = "Nullable"; TypeFlags[TypeFlags["Literal"] = 480] = "Literal"; @@ -703,20 +696,32 @@ var ts; TypeFlags[TypeFlags["NumberLike"] = 340] = "NumberLike"; TypeFlags[TypeFlags["BooleanLike"] = 136] = "BooleanLike"; TypeFlags[TypeFlags["EnumLike"] = 272] = "EnumLike"; - TypeFlags[TypeFlags["ObjectType"] = 2588672] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 1572864] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 4161536] = "StructuredType"; - TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 4177920] = "StructuredOrTypeParameter"; + TypeFlags[TypeFlags["UnionOrIntersection"] = 196608] = "UnionOrIntersection"; + TypeFlags[TypeFlags["StructuredType"] = 229376] = "StructuredType"; + TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 245760] = "StructuredOrTypeParameter"; // 'Narrowable' types are types where narrowing actually narrows. // This *should* be every type other than null, undefined, void, and never - TypeFlags[TypeFlags["Narrowable"] = 4178943] = "Narrowable"; - TypeFlags[TypeFlags["NotUnionOrUnit"] = 2589185] = "NotUnionOrUnit"; + TypeFlags[TypeFlags["Narrowable"] = 246783] = "Narrowable"; + TypeFlags[TypeFlags["NotUnionOrUnit"] = 33281] = "NotUnionOrUnit"; /* @internal */ - TypeFlags[TypeFlags["RequiresWidening"] = 100663296] = "RequiresWidening"; + TypeFlags[TypeFlags["RequiresWidening"] = 1572864] = "RequiresWidening"; /* @internal */ - TypeFlags[TypeFlags["PropagatingFlags"] = 234881024] = "PropagatingFlags"; + TypeFlags[TypeFlags["PropagatingFlags"] = 3670016] = "PropagatingFlags"; })(ts.TypeFlags || (ts.TypeFlags = {})); var TypeFlags = ts.TypeFlags; + (function (ObjectFlags) { + ObjectFlags[ObjectFlags["Class"] = 1] = "Class"; + ObjectFlags[ObjectFlags["Interface"] = 2] = "Interface"; + ObjectFlags[ObjectFlags["Reference"] = 4] = "Reference"; + ObjectFlags[ObjectFlags["Tuple"] = 8] = "Tuple"; + ObjectFlags[ObjectFlags["Anonymous"] = 16] = "Anonymous"; + ObjectFlags[ObjectFlags["Instantiated"] = 32] = "Instantiated"; + ObjectFlags[ObjectFlags["ObjectLiteral"] = 64] = "ObjectLiteral"; + ObjectFlags[ObjectFlags["EvolvingArray"] = 128] = "EvolvingArray"; + ObjectFlags[ObjectFlags["ObjectLiteralPatternWithComputedProperties"] = 256] = "ObjectLiteralPatternWithComputedProperties"; + ObjectFlags[ObjectFlags["ClassOrInterface"] = 3] = "ClassOrInterface"; + })(ts.ObjectFlags || (ts.ObjectFlags = {})); + var ObjectFlags = ts.ObjectFlags; (function (SignatureKind) { SignatureKind[SignatureKind["Call"] = 0] = "Call"; SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; @@ -1573,6 +1578,41 @@ var ts; return result; } ts.deduplicate = deduplicate; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function changesAffectModuleResolution(oldOptions, newOptions) { + return !oldOptions || + (oldOptions.module !== newOptions.module) || + (oldOptions.moduleResolution !== newOptions.moduleResolution) || + (oldOptions.noResolve !== newOptions.noResolve) || + (oldOptions.target !== newOptions.target) || + (oldOptions.noLib !== newOptions.noLib) || + (oldOptions.jsx !== newOptions.jsx) || + (oldOptions.allowJs !== newOptions.allowJs) || + (oldOptions.rootDir !== newOptions.rootDir) || + (oldOptions.configFilePath !== newOptions.configFilePath) || + (oldOptions.baseUrl !== newOptions.baseUrl) || + (oldOptions.maxNodeModuleJsDepth !== newOptions.maxNodeModuleJsDepth) || + !arrayIsEqualTo(oldOptions.lib, newOptions.lib) || + !arrayIsEqualTo(oldOptions.typeRoots, newOptions.typeRoots) || + !arrayIsEqualTo(oldOptions.rootDirs, newOptions.rootDirs) || + !equalOwnProperties(oldOptions.paths, newOptions.paths); + } + ts.changesAffectModuleResolution = changesAffectModuleResolution; /** * Compacts an array, removing any falsey elements. */ @@ -1651,6 +1691,12 @@ var ts; : undefined; } ts.lastOrUndefined = lastOrUndefined; + function replaceElement(array, index, value) { + var result = array.slice(0); + result[index] = value; + return result; + } + ts.replaceElement = replaceElement; /** * Performs a binary search, finding the index at which 'value' occurs in 'array'. * If no such index is found, returns the 2's-complement of first index at which @@ -1978,6 +2024,14 @@ var ts; return Array.isArray ? Array.isArray(value) : value instanceof Array; } ts.isArray = isArray; + /** Does nothing. */ + function noop() { } + ts.noop = noop; + /** Throws an error because a function is not implemented. */ + function notImplemented() { + throw new Error("Not implemented"); + } + ts.notImplemented = notImplemented; function memoize(callback) { var value; return function () { @@ -3491,7 +3545,9 @@ var ts; } catch (e) { } - } + }, + setTimeout: setTimeout, + clearTimeout: clearTimeout }; return nodeSystem; } @@ -3727,7 +3783,6 @@ var ts; Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, @@ -4347,6 +4402,8 @@ var ts; Unknown_typing_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_typing_option_0_17010", message: "Unknown typing option '{0}'." }, Circularity_detected_while_resolving_configuration_Colon_0: { code: 18000, category: ts.DiagnosticCategory.Error, key: "Circularity_detected_while_resolving_configuration_Colon_0_18000", message: "Circularity detected while resolving configuration: {0}" }, The_path_in_an_extends_options_must_be_relative_or_rooted: { code: 18001, category: ts.DiagnosticCategory.Error, key: "The_path_in_an_extends_options_must_be_relative_or_rooted_18001", message: "The path in an 'extends' options must be relative or rooted." }, + The_files_list_in_config_file_0_is_empty: { code: 18002, category: ts.DiagnosticCategory.Error, key: "The_files_list_in_config_file_0_is_empty_18002", message: "The 'files' list in config file '{0}' is empty." }, + No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { code: 18003, category: ts.DiagnosticCategory.Error, key: "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", message: "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'." }, Add_missing_super_call: { code: 90001, category: ts.DiagnosticCategory.Message, key: "Add_missing_super_call_90001", message: "Add missing 'super()' call." }, Make_super_call_the_first_statement_in_the_constructor: { code: 90002, category: ts.DiagnosticCategory.Message, key: "Make_super_call_the_first_statement_in_the_constructor_90002", message: "Make 'super()' call the first statement in the constructor." }, Change_extends_to_implements: { code: 90003, category: ts.DiagnosticCategory.Message, key: "Change_extends_to_implements_90003", message: "Change 'extends' to 'implements'" }, @@ -5984,6 +6041,9 @@ var ts; case 44 /* comma */: pos++; return token = 25 /* CommaToken */; + case 46 /* dot */: + pos++; + return token = 22 /* DotToken */; } if (isIdentifierStart(ch, 4 /* Latest */)) { pos++; @@ -6112,11 +6172,11 @@ var ts; // Completely ignore indentation for string writers. And map newlines to // a single space. writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, + increaseIndent: ts.noop, + decreaseIndent: ts.noop, clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop }; } return stringWriters.pop(); @@ -6131,22 +6191,6 @@ var ts; return node.end - node.pos; } ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; function hasResolvedModule(sourceFile, moduleNameText) { return !!(sourceFile && sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]); } @@ -6434,9 +6478,14 @@ var ts; ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; function isBlockOrCatchScoped(declaration) { return (ts.getCombinedNodeFlags(declaration) & 3 /* BlockScoped */) !== 0 || - isCatchClauseVariableDeclaration(declaration); + isCatchClauseVariableDeclarationOrBindingElement(declaration); } ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isCatchClauseVariableDeclarationOrBindingElement(declaration) { + var node = getRootDeclaration(declaration); + return node.kind === 219 /* VariableDeclaration */ && node.parent.kind === 252 /* CatchClause */; + } + ts.isCatchClauseVariableDeclarationOrBindingElement = isCatchClauseVariableDeclarationOrBindingElement; function isAmbientModule(node) { return node && node.kind === 226 /* ModuleDeclaration */ && (node.name.kind === 9 /* StringLiteral */ || isGlobalScopeAugmentation(node)); @@ -6513,13 +6562,6 @@ var ts; } } ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 219 /* VariableDeclaration */ && - declaration.parent && - declaration.parent.kind === 252 /* CatchClause */; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; // Return display name of an identifier // Computed property names will just be emitted as "[]", where is the source // text of the expression in the computed property. @@ -8872,7 +8914,7 @@ var ts; flags |= modifierToFlag(modifier.kind); } } - if (node.flags & 4 /* NestedNamespace */) { + if (node.flags & 4 /* NestedNamespace */ || (node.kind === 70 /* Identifier */ && node.isInJSDocNamespace)) { flags |= 1 /* Export */; } node.modifierFlagsCache = flags | 536870912 /* HasComputedFlags */; @@ -11807,7 +11849,9 @@ var ts; // flag and setting a parent node. var react = createIdentifier(reactNamespace || "React"); react.flags &= ~8 /* Synthesized */; - react.parent = parent; + // Set the parent that is in parse tree + // this makes sure that parent chain is intact for checker to traverse complete scope tree + react.parent = ts.getParseTreeNode(parent); return react; } function createReactCreateElement(reactNamespace, tagName, props, children, parentElement, location) { @@ -13293,6 +13337,7 @@ var ts; return visitNodes(cbNodes, node.typeParameters); case 279 /* JSDocTypedefTag */: return visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.fullName) || visitNode(cbNode, node.name) || visitNode(cbNode, node.jsDocTypeLiteral); case 281 /* JSDocTypeLiteral */: @@ -17716,7 +17761,7 @@ var ts; parseExpected(117 /* AsKeyword */); parseExpected(127 /* NamespaceKeyword */); exportDeclaration.name = parseIdentifier(); - parseExpected(24 /* SemicolonToken */); + parseSemicolon(); return finishNode(exportDeclaration); } function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { @@ -18669,7 +18714,14 @@ var ts; var typedefTag = createNode(279 /* JSDocTypedefTag */, atToken.pos); typedefTag.atToken = atToken; typedefTag.tagName = tagName; - typedefTag.name = parseJSDocIdentifierName(); + typedefTag.fullName = parseJSDocTypeNameWithNamespace(/*flags*/ 0); + if (typedefTag.fullName) { + var rightNode = typedefTag.fullName; + while (rightNode.kind !== 70 /* Identifier */) { + rightNode = rightNode.body; + } + typedefTag.name = rightNode; + } typedefTag.typeExpression = typeExpression; skipWhitespace(); if (typeExpression) { @@ -18728,6 +18780,21 @@ var ts; scanner.setTextPos(resumePos); return finishNode(jsDocTypeLiteral); } + function parseJSDocTypeNameWithNamespace(flags) { + var pos = scanner.getTokenPos(); + var typeNameOrNamespaceName = parseJSDocIdentifierName(); + if (typeNameOrNamespaceName && parseOptional(22 /* DotToken */)) { + var jsDocNamespaceNode = createNode(226 /* ModuleDeclaration */, pos); + jsDocNamespaceNode.flags |= flags; + jsDocNamespaceNode.name = typeNameOrNamespaceName; + jsDocNamespaceNode.body = parseJSDocTypeNameWithNamespace(4 /* NestedNamespace */); + return jsDocNamespaceNode; + } + if (typeNameOrNamespaceName && flags & 4 /* NestedNamespace */) { + typeNameOrNamespaceName.isInJSDocNamespace = true; + } + return typeNameOrNamespaceName; + } } function tryParseChildTag(parentTag) { ts.Debug.assert(token() === 56 /* AtToken */); @@ -18749,12 +18816,16 @@ var ts; return true; case "prop": case "property": - if (!parentTag.jsDocPropertyTags) { - parentTag.jsDocPropertyTags = []; - } var propertyTag = parsePropertyTag(atToken, tagName); - parentTag.jsDocPropertyTags.push(propertyTag); - return true; + if (propertyTag) { + if (!parentTag.jsDocPropertyTags) { + parentTag.jsDocPropertyTags = []; + } + parentTag.jsDocPropertyTags.push(propertyTag); + return true; + } + // Error parsing property tag + return false; } return false; } @@ -19335,6 +19406,9 @@ var ts; var body = node.body; return body ? getModuleInstanceState(body) : 1 /* Instantiated */; } + else if (node.kind === 70 /* Identifier */ && node.isInJSDocNamespace) { + return 0 /* NonInstantiated */; + } else { return 1 /* Instantiated */; } @@ -19668,7 +19742,11 @@ var ts; // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation // and this case is specially handled. Module augmentations should only be merged with original module definition // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed. - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32 /* ExportContext */)) { + var isJSDocTypedefInJSDocNamespace = node.kind === 279 /* JSDocTypedefTag */ && + node.name && + node.name.kind === 70 /* Identifier */ && + node.name.isInJSDocNamespace; + if ((!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 32 /* ExportContext */)) || isJSDocTypedefInJSDocNamespace) { var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | (symbolFlags & 793064 /* Type */ ? 2097152 /* ExportType */ : 0) | (symbolFlags & 1920 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); @@ -20210,7 +20288,7 @@ var ts; currentFlow = finishFlowLabel(preFinallyLabel); bind(node.finallyBlock); // if flow after finally is unreachable - keep it - // otherwise check if flows after try and after catch are unreachable + // otherwise check if flows after try and after catch are unreachable // if yes - convert current flow to unreachable // i.e. // try { return "1" } finally { console.log(1); } @@ -20948,6 +21026,17 @@ var ts; switch (node.kind) { /* Strict mode checks */ case 70 /* Identifier */: + // for typedef type names with namespaces, bind the new jsdoc type symbol here + // because it requires all containing namespaces to be in effect, namely the + // current "blockScopeContainer" needs to be set to its immediate namespace parent. + if (node.isInJSDocNamespace) { + var parentNode = node.parent; + while (parentNode && parentNode.kind !== 279 /* JSDocTypedefTag */) { + parentNode = parentNode.parent; + } + bindBlockScopedDeclaration(parentNode, 524288 /* TypeAlias */, 793064 /* TypeAliasExcludes */); + break; + } case 98 /* ThisKeyword */: if (currentFlow && (ts.isExpression(node) || parent.kind === 254 /* ShorthandPropertyAssignment */)) { node.flowNode = currentFlow; @@ -21066,6 +21155,10 @@ var ts; case 223 /* InterfaceDeclaration */: return bindBlockScopedDeclaration(node, 64 /* Interface */, 792968 /* InterfaceExcludes */); case 279 /* JSDocTypedefTag */: + if (!node.fullName || node.fullName.kind === 70 /* Identifier */) { + return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793064 /* TypeAliasExcludes */); + } + break; case 224 /* TypeAliasDeclaration */: return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793064 /* TypeAliasExcludes */); case 225 /* EnumDeclaration */: @@ -21465,6 +21558,8 @@ var ts; return computeClassExpression(node, subtreeFlags); case 251 /* HeritageClause */: return computeHeritageClause(node, subtreeFlags); + case 252 /* CatchClause */: + return computeCatchClause(node, subtreeFlags); case 195 /* ExpressionWithTypeArguments */: return computeExpressionWithTypeArguments(node, subtreeFlags); case 149 /* Constructor */: @@ -21652,6 +21747,14 @@ var ts; node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */; return transformFlags & ~536874325 /* NodeExcludes */; } + function computeCatchClause(node, subtreeFlags) { + var transformFlags = subtreeFlags; + if (node.variableDeclaration && ts.isBindingPattern(node.variableDeclaration.name)) { + transformFlags |= 768 /* AssertES2015 */; + } + node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */; + return transformFlags & ~536874325 /* NodeExcludes */; + } function computeExpressionWithTypeArguments(node, subtreeFlags) { // An ExpressionWithTypeArguments is ES6 syntax, as it is used in the // extends clause of a class. @@ -22868,9 +22971,9 @@ var ts; var autoType = createIntrinsicType(1 /* Any */, "any"); var unknownType = createIntrinsicType(1 /* Any */, "unknown"); var undefinedType = createIntrinsicType(2048 /* Undefined */, "undefined"); - var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 /* Undefined */ | 33554432 /* ContainsWideningType */, "undefined"); + var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 /* Undefined */ | 524288 /* ContainsWideningType */, "undefined"); var nullType = createIntrinsicType(4096 /* Null */, "null"); - var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 /* Null */ | 33554432 /* ContainsWideningType */, "null"); + var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 /* Null */ | 524288 /* ContainsWideningType */, "null"); var stringType = createIntrinsicType(2 /* String */, "string"); var numberType = createIntrinsicType(4 /* Number */, "number"); var trueType = createIntrinsicType(128 /* BooleanLiteral */, "true"); @@ -22886,7 +22989,7 @@ var ts; var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes. - anyFunctionType.flags |= 134217728 /* ContainsAnyFunctionType */; + anyFunctionType.flags |= 2097152 /* ContainsAnyFunctionType */; var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasLiteralTypes*/ false); var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasLiteralTypes*/ false); @@ -23260,6 +23363,9 @@ var ts; var nodeId = getNodeId(node); return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 }); } + function getObjectFlags(type) { + return type.flags & 32768 /* Object */ ? type.objectFlags : 0; + } function isGlobalSourceFile(node) { return node.kind === 256 /* SourceFile */ && !ts.isExternalOrCommonJsModule(node); } @@ -23307,6 +23413,11 @@ var ts; // nodes are in different files and order cannot be determines return true; } + // declaration is after usage + // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) + if (isUsedInFunctionOrNonStaticProperty(usage)) { + return true; + } var sourceFiles = host.getSourceFiles(); return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); } @@ -23318,7 +23429,8 @@ var ts; } // declaration is after usage // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) - return isUsedInFunctionOrNonStaticProperty(declaration, usage); + var container = ts.getEnclosingBlockScopeContainer(declaration); + return isUsedInFunctionOrNonStaticProperty(usage, container); function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { var container = ts.getEnclosingBlockScopeContainer(declaration); switch (declaration.parent.parent.kind) { @@ -23342,8 +23454,7 @@ var ts; } return false; } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); + function isUsedInFunctionOrNonStaticProperty(usage, container) { var current = usage; while (current) { if (current === container) { @@ -24188,8 +24299,9 @@ var ts; type.intrinsicName = "boolean"; return type; } - function createObjectType(kind, symbol) { - var type = createType(kind); + function createObjectType(objectFlags, symbol) { + var type = createType(32768 /* Object */); + type.objectFlags = objectFlags; type.symbol = symbol; return type; } @@ -24217,7 +24329,7 @@ var ts; } return result || emptyArray; } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { + function setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { type.members = members; type.properties = getNamedMembers(members); type.callSignatures = callSignatures; @@ -24229,7 +24341,7 @@ var ts; return type; } function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) { - return setObjectTypeMembers(createObjectType(2097152 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + return setStructuredTypeMembers(createObjectType(16 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function forEachSymbolTableInScope(enclosingDeclaration, callback) { var result; @@ -24721,7 +24833,7 @@ var ts; } writer.writeKeyword("this"); } - else if (type.flags & 131072 /* Reference */) { + else if (getObjectFlags(type) & 4 /* Reference */) { writeTypeReference(type, nextFlags); } else if (type.flags & 256 /* EnumLiteral */) { @@ -24729,11 +24841,11 @@ var ts; writePunctuation(writer, 22 /* DotToken */); appendSymbolNameOnly(type.symbol, writer); } - else if (type.flags & (32768 /* Class */ | 65536 /* Interface */ | 16 /* Enum */ | 16384 /* TypeParameter */)) { + else if (getObjectFlags(type) & 3 /* ClassOrInterface */ || type.flags & (16 /* Enum */ | 16384 /* TypeParameter */)) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064 /* Type */, 0 /* None */, nextFlags); } - else if (!(flags & 512 /* InTypeAlias */) && ((type.flags & 2097152 /* Anonymous */ && !type.target) || type.flags & 1572864 /* UnionOrIntersection */) && type.aliasSymbol && + else if (!(flags & 512 /* InTypeAlias */) && ((getObjectFlags(type) & 16 /* Anonymous */ && !type.target) || type.flags & 196608 /* UnionOrIntersection */) && type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064 /* Type */, /*shouldComputeAliasesToMakeVisible*/ false).accessibility === 0 /* Accessible */) { // We emit inferred type as type-alias at the current localtion if all the following is true // the input type is has alias symbol that is accessible @@ -24744,10 +24856,10 @@ var ts; var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); } - else if (type.flags & 1572864 /* UnionOrIntersection */) { + else if (type.flags & 196608 /* UnionOrIntersection */) { writeUnionOrIntersectionType(type, nextFlags); } - else if (type.flags & 2097152 /* Anonymous */) { + else if (getObjectFlags(type) & 16 /* Anonymous */) { writeAnonymousType(type, nextFlags); } else if (type.flags & 96 /* StringOrNumberLiteral */) { @@ -24800,7 +24912,7 @@ var ts; writePunctuation(writer, 20 /* OpenBracketToken */); writePunctuation(writer, 21 /* CloseBracketToken */); } - else if (type.target.flags & 262144 /* Tuple */) { + else if (type.target.objectFlags & 8 /* Tuple */) { writePunctuation(writer, 20 /* OpenBracketToken */); writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 25 /* CommaToken */); writePunctuation(writer, 21 /* CloseBracketToken */); @@ -24836,7 +24948,7 @@ var ts; if (flags & 64 /* InElementType */) { writePunctuation(writer, 18 /* OpenParenToken */); } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { writeTypeList(formatUnionTypes(type.types), 48 /* BarToken */); } else { @@ -25362,7 +25474,6 @@ var ts; return getSymbolLinks(target).declaredType; } if (propertyName === 1 /* ResolvedBaseConstructorType */) { - ts.Debug.assert(!!(target.flags & 32768 /* Class */)); return target.resolvedBaseConstructorType; } if (propertyName === 3 /* ResolvedReturnType */) { @@ -25676,7 +25787,7 @@ var ts; result.pattern = pattern; } if (hasComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + result.objectFlags |= 256 /* ObjectLiteralPatternWithComputedProperties */; } return result; } @@ -25755,7 +25866,7 @@ var ts; } // Handle catch clause variables var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 252 /* CatchClause */) { + if (ts.isCatchClauseVariableDeclarationOrBindingElement(declaration)) { return links.type = anyType; } // Handle export default expressions @@ -25892,7 +26003,7 @@ var ts; links.type = anyType; } else { - var type = createObjectType(2097152 /* Anonymous */, symbol); + var type = createObjectType(16 /* Anonymous */, symbol); links.type = strictNullChecks && symbol.flags & 536870912 /* Optional */ ? includeFalsyTypes(type, 2048 /* Undefined */) : type; } @@ -25950,7 +26061,7 @@ var ts; return unknownType; } function getTargetType(type) { - return type.flags & 131072 /* Reference */ ? type.target : type; + return getObjectFlags(type) & 4 /* Reference */ ? type.target : type; } function hasBaseType(type, checkBase) { return check(type); @@ -26021,7 +26132,7 @@ var ts; return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); } function isConstructorType(type) { - return type.flags & 2588672 /* ObjectType */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; + return type.flags & 32768 /* Object */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; } function getBaseTypeNodeOfClass(type) { return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); @@ -26053,7 +26164,7 @@ var ts; return unknownType; } var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 2588672 /* ObjectType */) { + if (baseConstructorType.flags & 32768 /* Object */) { // Resolving the members of a class requires us to resolve the base class of that class. // We force resolution here such that we catch circularities now. resolveStructuredTypeMembers(baseConstructorType); @@ -26072,7 +26183,7 @@ var ts; } function getBaseTypes(type) { if (!type.resolvedBaseTypes) { - if (type.flags & 262144 /* Tuple */) { + if (type.objectFlags & 8 /* Tuple */) { type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))]; } else if (type.symbol.flags & (32 /* Class */ | 64 /* Interface */)) { @@ -26092,7 +26203,7 @@ var ts; function resolveBaseTypesOfClass(type) { type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 2588672 /* ObjectType */)) { + if (!(baseConstructorType.flags & 32768 /* Object */)) { return; } var baseTypeNode = getBaseTypeNodeOfClass(type); @@ -26119,7 +26230,7 @@ var ts; if (baseType === unknownType) { return; } - if (!(getTargetType(baseType).flags & (32768 /* Class */ | 65536 /* Interface */))) { + if (!(getObjectFlags(getTargetType(baseType)) & 3 /* ClassOrInterface */)) { error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); return; } @@ -26154,7 +26265,7 @@ var ts; var node = _c[_b]; var baseType = getTypeFromTypeNode(node); if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (32768 /* Class */ | 65536 /* Interface */)) { + if (getObjectFlags(getTargetType(baseType)) & 3 /* ClassOrInterface */) { if (type !== baseType && !hasBaseType(baseType, type)) { if (type.resolvedBaseTypes === emptyArray) { type.resolvedBaseTypes = [baseType]; @@ -26204,7 +26315,7 @@ var ts; function getDeclaredTypeOfClassOrInterface(symbol) { var links = getSymbolLinks(symbol); if (!links.declaredType) { - var kind = symbol.flags & 32 /* Class */ ? 32768 /* Class */ : 65536 /* Interface */; + var kind = symbol.flags & 32 /* Class */ ? 1 /* Class */ : 2 /* Interface */; var type = links.declaredType = createObjectType(kind, symbol); var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); @@ -26213,8 +26324,8 @@ var ts; // property types inferred from initializers and method return types inferred from return statements are very hard // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of // "this" references. - if (outerTypeParameters || localTypeParameters || kind === 32768 /* Class */ || !isIndependentInterface(symbol)) { - type.flags |= 131072 /* Reference */; + if (outerTypeParameters || localTypeParameters || kind === 1 /* Class */ || !isIndependentInterface(symbol)) { + type.objectFlags |= 4 /* Reference */; type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); type.outerTypeParameters = outerTypeParameters; type.localTypeParameters = localTypeParameters; @@ -26326,7 +26437,7 @@ var ts; } enumType.memberTypes = memberTypes; if (memberTypeList.length > 1) { - enumType.flags |= 524288 /* Union */; + enumType.flags |= 65536 /* Union */; enumType.types = memberTypeList; unionTypes[getTypeListId(memberTypeList)] = enumType; } @@ -26338,7 +26449,7 @@ var ts; var links = getSymbolLinks(symbol); if (!links.declaredType) { var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - links.declaredType = enumType.flags & 524288 /* Union */ ? + links.declaredType = enumType.flags & 65536 /* Union */ ? enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] : enumType; } @@ -26499,7 +26610,7 @@ var ts; return type; } function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 131072 /* Reference */) { + if (getObjectFlags(type) & 4 /* Reference */) { return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); } return type; @@ -26543,7 +26654,7 @@ var ts; numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1 /* Number */); } } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function resolveClassOrInterfaceMembers(type) { resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); @@ -26682,7 +26793,7 @@ var ts; var constructSignatures = getUnionSignatures(type.types, 1 /* Construct */); var stringIndexInfo = getUnionIndexInfo(type.types, 0 /* String */); var numberIndexInfo = getUnionIndexInfo(type.types, 1 /* Number */); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function intersectTypes(type1, type2) { return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); @@ -26704,7 +26815,7 @@ var ts; stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0 /* String */)); numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1 /* Number */)); } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } function resolveAnonymousTypeMembers(type) { var symbol = type.symbol; @@ -26714,7 +26825,7 @@ var ts; var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1 /* Construct */), type.mapper, instantiateSignature); var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0 /* String */), type.mapper); var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1 /* Number */), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } else if (symbol.flags & 2048 /* TypeLiteral */) { var members = symbol.members; @@ -26722,7 +26833,7 @@ var ts; var constructSignatures = getSignaturesOfSymbol(members["__new"]); var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0 /* String */); var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1 /* Number */); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); + setStructuredTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo); } else { // Combinations of function, class, enum and module @@ -26738,13 +26849,13 @@ var ts; constructSignatures = getDefaultConstructSignatures(classType); } var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 2588672 /* ObjectType */) { + if (baseConstructorType.flags & 32768 /* Object */) { members = createSymbolTable(getNamedMembers(members)); addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); } } var numberIndexInfo = symbol.flags & 384 /* Enum */ ? enumNumberIndexInfo : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); + setStructuredTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo); // We resolve the members before computing the signatures because a signature may use // typeof with a qualified name expression that circularly references the type we are // in the process of resolving (see issue #6072). The temporarily empty signature list @@ -26756,19 +26867,21 @@ var ts; } function resolveStructuredTypeMembers(type) { if (!type.members) { - if (type.flags & 131072 /* Reference */) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (32768 /* Class */ | 65536 /* Interface */)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 2097152 /* Anonymous */) { - resolveAnonymousTypeMembers(type); + if (type.flags & 32768 /* Object */) { + if (type.objectFlags & 4 /* Reference */) { + resolveTypeReferenceMembers(type); + } + else if (type.objectFlags & 3 /* ClassOrInterface */) { + resolveClassOrInterfaceMembers(type); + } + else if (type.objectFlags & 16 /* Anonymous */) { + resolveAnonymousTypeMembers(type); + } } - else if (type.flags & 524288 /* Union */) { + else if (type.flags & 65536 /* Union */) { resolveUnionTypeMembers(type); } - else if (type.flags & 1048576 /* Intersection */) { + else if (type.flags & 131072 /* Intersection */) { resolveIntersectionTypeMembers(type); } } @@ -26776,7 +26889,7 @@ var ts; } /** Return properties of an object type or an empty array for other types */ function getPropertiesOfObjectType(type) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { return resolveStructuredTypeMembers(type).properties; } return emptyArray; @@ -26784,7 +26897,7 @@ var ts; /** If the given type is an object type and that type has a property by the given name, * return the symbol for that property. Otherwise return undefined. */ function getPropertyOfObjectType(type, name) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); var symbol = resolved.members[name]; if (symbol && symbolIsValue(symbol)) { @@ -26801,7 +26914,7 @@ var ts; } // The properties of a union type are those that are present in all constituent types, so // we only need to check the properties of the first type - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { break; } } @@ -26821,7 +26934,7 @@ var ts; } function getPropertiesOfType(type) { type = getApparentType(type); - return type.flags & 1572864 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + return type.flags & 196608 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); } /** * The apparent type of a type parameter is the base constraint instantiated with the type parameter @@ -26864,7 +26977,7 @@ var ts; var types = containingType.types; var props; // Flags we want to propagate to the result if they exist in all source symbols - var commonFlags = (containingType.flags & 1048576 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; + var commonFlags = (containingType.flags & 131072 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; var isReadonly = false; var isPartial = false; for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { @@ -26884,7 +26997,7 @@ var ts; isReadonly = true; } } - else if (containingType.flags & 524288 /* Union */) { + else if (containingType.flags & 65536 /* Union */) { isPartial = true; } } @@ -26919,7 +27032,7 @@ var ts; result.isPartial = isPartial; result.declarations = declarations; result.isReadonly = isReadonly; - result.type = containingType.flags & 524288 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); + result.type = containingType.flags & 65536 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); return result; } // Return the symbol for a given property in a union or intersection type, or undefined if the property @@ -26953,7 +27066,7 @@ var ts; */ function getPropertyOfType(type, name) { type = getApparentType(type); - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); var symbol = resolved.members[name]; if (symbol && symbolIsValue(symbol)) { @@ -26967,13 +27080,13 @@ var ts; } return getPropertyOfObjectType(globalObjectType, name); } - if (type.flags & 1572864 /* UnionOrIntersection */) { + if (type.flags & 196608 /* UnionOrIntersection */) { return getPropertyOfUnionOrIntersectionType(type, name); } return undefined; } function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 4161536 /* StructuredType */) { + if (type.flags & 229376 /* StructuredType */) { var resolved = resolveStructuredTypeMembers(type); return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures; } @@ -26987,7 +27100,7 @@ var ts; return getSignaturesOfStructuredType(getApparentType(type), kind); } function getIndexInfoOfStructuredType(type, kind) { - if (type.flags & 4161536 /* StructuredType */) { + if (type.flags & 229376 /* StructuredType */) { var resolved = resolveStructuredTypeMembers(type); return kind === 0 /* String */ ? resolved.stringIndexInfo : resolved.numberIndexInfo; } @@ -27277,7 +27390,7 @@ var ts; function getRestTypeOfSignature(signature) { if (signature.hasRestParameter) { var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 131072 /* Reference */ && type.target === globalArrayType) { + if (getObjectFlags(type) & 4 /* Reference */ && type.target === globalArrayType) { return type.typeArguments[0]; } } @@ -27301,7 +27414,7 @@ var ts; // will result in a different declaration kind. if (!signature.isolatedSignatureType) { var isConstructor = signature.declaration.kind === 149 /* Constructor */ || signature.declaration.kind === 153 /* ConstructSignature */; - var type = createObjectType(2097152 /* Anonymous */); + var type = createObjectType(16 /* Anonymous */); type.members = emptySymbols; type.properties = emptyArray; type.callSignatures = !isConstructor ? [signature] : emptyArray; @@ -27411,22 +27524,23 @@ var ts; result |= type.flags; } } - return result & 234881024 /* PropagatingFlags */; + return result & 3670016 /* PropagatingFlags */; } function createTypeReference(target, typeArguments) { var id = getTypeListId(typeArguments); var type = target.instantiations[id]; if (!type) { - var propagatedFlags = typeArguments ? getPropagatingFlagsOfTypes(typeArguments, /*excludeKinds*/ 0) : 0; - var flags = 131072 /* Reference */ | propagatedFlags; - type = target.instantiations[id] = createObjectType(flags, target.symbol); + type = target.instantiations[id] = createObjectType(4 /* Reference */, target.symbol); + type.flags |= typeArguments ? getPropagatingFlagsOfTypes(typeArguments, /*excludeKinds*/ 0) : 0; type.target = target; type.typeArguments = typeArguments; } return type; } function cloneTypeReference(source) { - var type = createObjectType(source.flags, source.symbol); + var type = createType(source.flags); + type.symbol = source.symbol; + type.objectFlags = source.objectFlags; type.target = source.target; type.typeArguments = source.typeArguments; return type; @@ -27582,7 +27696,7 @@ var ts; return arity ? emptyGenericType : emptyObjectType; } var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 2588672 /* ObjectType */)) { + if (!(type.flags & 32768 /* Object */)) { error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); return arity ? emptyGenericType : emptyObjectType; } @@ -27662,7 +27776,7 @@ var ts; property.type = typeParameter; properties.push(property); } - var type = createObjectType(262144 /* Tuple */ | 131072 /* Reference */); + var type = createObjectType(8 /* Tuple */ | 4 /* Reference */); type.typeParameters = typeParameters; type.outerTypeParameters = undefined; type.localTypeParameters = typeParameters; @@ -27717,7 +27831,7 @@ var ts; } function addTypeToUnion(typeSet, type) { var flags = type.flags; - if (flags & 524288 /* Union */) { + if (flags & 65536 /* Union */) { addTypesToUnion(typeSet, type.types); } else if (flags & 1 /* Any */) { @@ -27728,7 +27842,7 @@ var ts; typeSet.containsUndefined = true; if (flags & 4096 /* Null */) typeSet.containsNull = true; - if (!(flags & 33554432 /* ContainsWideningType */)) + if (!(flags & 524288 /* ContainsWideningType */)) typeSet.containsNonWideningType = true; } else if (!(flags & 8192 /* Never */)) { @@ -27741,7 +27855,8 @@ var ts; var len = typeSet.length; var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type); if (index < 0) { - if (!(flags & 2097152 /* Anonymous */ && type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */) && containsIdenticalType(typeSet, type))) { + if (!(flags & 32768 /* Object */ && type.objectFlags & 16 /* Anonymous */ && + type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */) && containsIdenticalType(typeSet, type))) { typeSet.splice(~index, 0, type); } } @@ -27805,7 +27920,7 @@ var ts; var t = types[i]; var remove = t.flags & 32 /* StringLiteral */ && types.containsString || t.flags & 64 /* NumberLiteral */ && types.containsNumber || - t.flags & 96 /* StringOrNumberLiteral */ && t.flags & 16777216 /* FreshLiteral */ && containsType(types, t.regularType); + t.flags & 96 /* StringOrNumberLiteral */ && t.flags & 262144 /* FreshLiteral */ && containsType(types, t.regularType); if (remove) { ts.orderedRemoveItemAt(types, i); } @@ -27855,7 +27970,7 @@ var ts; var type = unionTypes[id]; if (!type) { var propagatedFlags = getPropagatingFlagsOfTypes(types, /*excludeKinds*/ 6144 /* Nullable */); - type = unionTypes[id] = createObjectType(524288 /* Union */ | propagatedFlags); + type = unionTypes[id] = createType(65536 /* Union */ | propagatedFlags); type.types = types; type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; @@ -27870,7 +27985,7 @@ var ts; return links.resolvedType; } function addTypeToIntersection(typeSet, type) { - if (type.flags & 1048576 /* Intersection */) { + if (type.flags & 131072 /* Intersection */) { addTypesToIntersection(typeSet, type.types); } else if (type.flags & 1 /* Any */) { @@ -27888,6 +28003,11 @@ var ts; addTypeToIntersection(typeSet, type); } } + // We normalize combinations of intersection and union types based on the distributive property of the '&' + // operator. Specifically, because X & (A | B) is equivalent to X & A | X & B, we can transform intersection + // types with union type constituents into equivalent union types with intersection type constituents and + // effectively ensure that union types are always at the top level in type representations. + // // We do not perform structural deduplication on intersection types. Intersection types are created only by the & // type operator and we can't reduce those because we want to support recursive intersection types. For example, // a type alias of the form "type List = T & { next: List }" cannot be reduced during its declaration. @@ -27897,6 +28017,18 @@ var ts; if (types.length === 0) { return emptyObjectType; } + var _loop_1 = function (i) { + var type_1 = types[i]; + if (type_1.flags & 65536 /* Union */) { + return { value: getUnionType(ts.map(type_1.types, function (t) { return getIntersectionType(ts.replaceElement(types, i, t)); }), + /*subtypeReduction*/ false, aliasSymbol, aliasTypeArguments) }; + } + }; + for (var i = 0; i < types.length; i++) { + var state_2 = _loop_1(i); + if (typeof state_2 === "object") + return state_2.value; + } var typeSet = []; addTypesToIntersection(typeSet, types); if (typeSet.containsAny) { @@ -27909,7 +28041,7 @@ var ts; var type = intersectionTypes[id]; if (!type) { var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, /*excludeKinds*/ 6144 /* Nullable */); - type = intersectionTypes[id] = createObjectType(1048576 /* Intersection */ | propagatedFlags); + type = intersectionTypes[id] = createType(131072 /* Intersection */ | propagatedFlags); type.types = typeSet; type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; @@ -27927,7 +28059,7 @@ var ts; var links = getNodeLinks(node); if (!links.resolvedType) { // Deferred resolution of members is handled by resolveObjectTypeMembers - var type = createObjectType(2097152 /* Anonymous */, node.symbol); + var type = createObjectType(16 /* Anonymous */, node.symbol); type.aliasSymbol = aliasSymbol; type.aliasTypeArguments = aliasTypeArguments; links.resolvedType = type; @@ -27940,9 +28072,9 @@ var ts; return type; } function getFreshTypeOfLiteralType(type) { - if (type.flags & 96 /* StringOrNumberLiteral */ && !(type.flags & 16777216 /* FreshLiteral */)) { + if (type.flags & 96 /* StringOrNumberLiteral */ && !(type.flags & 262144 /* FreshLiteral */)) { if (!type.freshType) { - var freshType = createLiteralType(type.flags | 16777216 /* FreshLiteral */, type.text); + var freshType = createLiteralType(type.flags | 262144 /* FreshLiteral */, type.text); freshType.regularType = type; type.freshType = freshType; } @@ -27951,7 +28083,7 @@ var ts; return type; } function getRegularTypeOfLiteralType(type) { - return type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 16777216 /* FreshLiteral */ ? type.regularType : type; + return type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 262144 /* FreshLiteral */ ? type.regularType : type; } function getLiteralTypeForText(flags, text) { var map = flags & 32 /* StringLiteral */ ? stringLiteralTypes : numericLiteralTypes; @@ -28226,7 +28358,7 @@ var ts; mapper.instantiations = []; } // Mark the anonymous type as instantiated such that our infinite instantiation detection logic can recognize it - var result = createObjectType(2097152 /* Anonymous */ | 4194304 /* Instantiated */, type.symbol); + var result = createObjectType(16 /* Anonymous */ | 32 /* Instantiated */, type.symbol); result.target = type; result.mapper = mapper; result.aliasSymbol = type.aliasSymbol; @@ -28288,25 +28420,27 @@ var ts; if (type.flags & 16384 /* TypeParameter */) { return mapper(type); } - if (type.flags & 2097152 /* Anonymous */) { - // If the anonymous type originates in a declaration of a function, method, class, or - // interface, in an object type literal, or in an object literal expression, we may need - // to instantiate the type because it might reference a type parameter. We skip instantiation - // if none of the type parameters that are in scope in the type's declaration are mapped by - // the given mapper, however we can only do that analysis if the type isn't itself an - // instantiation. - return type.symbol && - type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) && - (type.flags & 4194304 /* Instantiated */ || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? - instantiateAnonymousType(type, mapper) : type; - } - if (type.flags & 131072 /* Reference */) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); - } - if (type.flags & 524288 /* Union */ && !(type.flags & 8190 /* Primitive */)) { + if (type.flags & 32768 /* Object */) { + if (type.objectFlags & 16 /* Anonymous */) { + // If the anonymous type originates in a declaration of a function, method, class, or + // interface, in an object type literal, or in an object literal expression, we may need + // to instantiate the type because it might reference a type parameter. We skip instantiation + // if none of the type parameters that are in scope in the type's declaration are mapped by + // the given mapper, however we can only do that analysis if the type isn't itself an + // instantiation. + return type.symbol && + type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) && + (type.objectFlags & 32 /* Instantiated */ || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ? + instantiateAnonymousType(type, mapper) : type; + } + if (type.objectFlags & 4 /* Reference */) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + } + } + if (type.flags & 65536 /* Union */ && !(type.flags & 8190 /* Primitive */)) { return getUnionType(instantiateList(type.types, mapper, instantiateType), /*subtypeReduction*/ false, type.aliasSymbol, mapper.targetTypes); } - if (type.flags & 1048576 /* Intersection */) { + if (type.flags & 131072 /* Intersection */) { return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes); } } @@ -28367,10 +28501,10 @@ var ts; return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func); } function getTypeWithoutSignatures(type) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); if (resolved.constructSignatures.length) { - var result = createObjectType(2097152 /* Anonymous */, type.symbol); + var result = createObjectType(16 /* Anonymous */, type.symbol); result.members = resolved.members; result.properties = resolved.properties; result.callSignatures = emptyArray; @@ -28573,7 +28707,7 @@ var ts; } if (source.symbol.name !== target.symbol.name || !(source.symbol.flags & 256 /* RegularEnum */) || !(target.symbol.flags & 256 /* RegularEnum */) || - (source.flags & 524288 /* Union */) !== (target.flags & 524288 /* Union */)) { + (source.flags & 65536 /* Union */) !== (target.flags & 65536 /* Union */)) { return enumRelation[id] = false; } var targetEnumType = getTypeOfSymbol(target.symbol); @@ -28630,23 +28764,23 @@ var ts; return false; } function isTypeRelatedTo(source, target, relation) { - if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 16777216 /* FreshLiteral */) { + if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 262144 /* FreshLiteral */) { source = source.regularType; } - if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 16777216 /* FreshLiteral */) { + if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 262144 /* FreshLiteral */) { target = target.regularType; } if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) { return true; } - if (source.flags & 2588672 /* ObjectType */ && target.flags & 2588672 /* ObjectType */) { + if (source.flags & 32768 /* Object */ && target.flags & 32768 /* Object */) { var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; var related = relation[id]; if (related !== undefined) { return related === 1 /* Succeeded */; } } - if (source.flags & 4177920 /* StructuredOrTypeParameter */ || target.flags & 4177920 /* StructuredOrTypeParameter */) { + if (source.flags & 245760 /* StructuredOrTypeParameter */ || target.flags & 245760 /* StructuredOrTypeParameter */) { return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined); } return false; @@ -28715,10 +28849,10 @@ var ts; // Ternary.False if they are not related. function isRelatedTo(source, target, reportErrors, headMessage) { var result; - if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 16777216 /* FreshLiteral */) { + if (source.flags & 96 /* StringOrNumberLiteral */ && source.flags & 262144 /* FreshLiteral */) { source = source.regularType; } - if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 16777216 /* FreshLiteral */) { + if (target.flags & 96 /* StringOrNumberLiteral */ && target.flags & 262144 /* FreshLiteral */) { target = target.regularType; } // both types are the same - covers 'they are the same primitive type or both are Any' or the same type parameter cases @@ -28729,7 +28863,7 @@ var ts; } if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined)) return -1 /* True */; - if (source.flags & 8388608 /* ObjectLiteral */ && source.flags & 16777216 /* FreshLiteral */) { + if (getObjectFlags(source) & 64 /* ObjectLiteral */ && source.flags & 262144 /* FreshLiteral */) { if (hasExcessProperties(source, target, reportErrors)) { if (reportErrors) { reportRelationError(headMessage, source, target); @@ -28740,13 +28874,15 @@ var ts; // and intersection types are further deconstructed on the target side, we don't want to // make the check again (as it might fail for a partial target type). Therefore we obtain // the regular source type and proceed with that. - if (target.flags & 1572864 /* UnionOrIntersection */) { + if (target.flags & 196608 /* UnionOrIntersection */) { source = getRegularTypeOfObjectLiteral(source); } } var saveErrorInfo = errorInfo; - // Note that these checks are specifically ordered to produce correct results. - if (source.flags & 524288 /* Union */) { + // Note that these checks are specifically ordered to produce correct results. In particular, + // we need to deconstruct unions before intersections (because unions are always at the top), + // and we need to handle "each" relations before "some" relations for the same kind of type. + if (source.flags & 65536 /* Union */) { if (relation === comparableRelation) { result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190 /* Primitive */)); } @@ -28757,38 +28893,32 @@ var ts; return result; } } - else if (target.flags & 1048576 /* Intersection */) { - result = typeRelatedToEachType(source, target, reportErrors); - if (result) { + else if (target.flags & 65536 /* Union */) { + if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190 /* Primitive */) && !(target.flags & 8190 /* Primitive */))) { return result; } } - else { - // It is necessary to try these "some" checks on both sides because there may be nested "each" checks - // on either side that need to be prioritized. For example, A | B = (A | B) & (C | D) or - // A & B = (A & B) | (C & D). - if (source.flags & 1048576 /* Intersection */) { - // Check to see if any constituents of the intersection are immediately related to the target. - // - // Don't report errors though. Checking whether a constituent is related to the source is not actually - // useful and leads to some confusing error messages. Instead it is better to let the below checks - // take care of this, or to not elaborate at all. For instance, - // - // - For an object type (such as 'C = A & B'), users are usually more interested in structural errors. - // - // - For a union type (such as '(A | B) = (C & D)'), it's better to hold onto the whole intersection - // than to report that 'D' is not assignable to 'A' or 'B'. - // - // - For a primitive type or type parameter (such as 'number = A & B') there is no point in - // breaking the intersection apart. - if (result = someTypeRelatedToType(source, target, /*reportErrors*/ false)) { - return result; - } + else if (target.flags & 131072 /* Intersection */) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; } - if (target.flags & 524288 /* Union */) { - if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190 /* Primitive */) && !(target.flags & 8190 /* Primitive */))) { - return result; - } + } + else if (source.flags & 131072 /* Intersection */) { + // Check to see if any constituents of the intersection are immediately related to the target. + // + // Don't report errors though. Checking whether a constituent is related to the source is not actually + // useful and leads to some confusing error messages. Instead it is better to let the below checks + // take care of this, or to not elaborate at all. For instance, + // + // - For an object type (such as 'C = A & B'), users are usually more interested in structural errors. + // + // - For a union type (such as '(A | B) = (C & D)'), it's better to hold onto the whole intersection + // than to report that 'D' is not assignable to 'A' or 'B'. + // + // - For a primitive type or type parameter (such as 'number = A & B') there is no point in + // breaking the intersection apart. + if (result = someTypeRelatedToType(source, target, /*reportErrors*/ false)) { + return result; } } if (source.flags & 16384 /* TypeParameter */) { @@ -28806,7 +28936,7 @@ var ts; } } else { - if (source.flags & 131072 /* Reference */ && target.flags & 131072 /* Reference */ && source.target === target.target) { + if (getObjectFlags(source) & 4 /* Reference */ && getObjectFlags(target) & 4 /* Reference */ && source.target === target.target) { // We have type references to same target type, see if relationship holds for all type arguments if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { return result; @@ -28818,7 +28948,7 @@ var ts; // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates // to X. Failing both of those we want to check if the aggregation of A and B's members structurally // relates to X. Thus, we include intersection types on the source side here. - if (apparentSource.flags & (2588672 /* ObjectType */ | 1048576 /* Intersection */) && target.flags & 2588672 /* ObjectType */) { + if (apparentSource.flags & (32768 /* Object */ | 131072 /* Intersection */) && target.flags & 32768 /* Object */) { // Report structural errors only if we haven't reported any errors yet var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190 /* Primitive */); if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { @@ -28828,10 +28958,10 @@ var ts; } } if (reportErrors) { - if (source.flags & 2588672 /* ObjectType */ && target.flags & 8190 /* Primitive */) { + if (source.flags & 32768 /* Object */ && target.flags & 8190 /* Primitive */) { tryElaborateErrorsForPrimitivesAndObjects(source, target); } - else if (source.symbol && source.flags & 2588672 /* ObjectType */ && globalObjectType === source) { + else if (source.symbol && source.flags & 32768 /* Object */ && globalObjectType === source) { reportError(ts.Diagnostics.The_Object_type_is_assignable_to_very_few_other_types_Did_you_mean_to_use_the_any_type_instead); } reportRelationError(headMessage, source, target); @@ -28840,8 +28970,8 @@ var ts; } function isIdenticalTo(source, target) { var result; - if (source.flags & 2588672 /* ObjectType */ && target.flags & 2588672 /* ObjectType */) { - if (source.flags & 131072 /* Reference */ && target.flags & 131072 /* Reference */ && source.target === target.target) { + if (source.flags & 32768 /* Object */ && target.flags & 32768 /* Object */) { + if (getObjectFlags(source) & 4 /* Reference */ && getObjectFlags(target) & 4 /* Reference */ && source.target === target.target) { // We have type references to same target type, see if all type arguments are identical if (result = typeArgumentsRelatedTo(source, target, /*reportErrors*/ false)) { return result; @@ -28849,8 +28979,8 @@ var ts; } return objectTypeRelatedTo(source, source, target, /*reportErrors*/ false); } - if (source.flags & 524288 /* Union */ && target.flags & 524288 /* Union */ || - source.flags & 1048576 /* Intersection */ && target.flags & 1048576 /* Intersection */) { + if (source.flags & 65536 /* Union */ && target.flags & 65536 /* Union */ || + source.flags & 131072 /* Intersection */ && target.flags & 131072 /* Intersection */) { if (result = eachTypeRelatedToSomeType(source, target)) { if (result &= eachTypeRelatedToSomeType(target, source)) { return result; @@ -28864,7 +28994,7 @@ var ts; // index signatures, or if the property is actually declared in the object type. In a union or intersection // type, a property is considered known if it is known in any constituent type. function isKnownProperty(type, name) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) || resolved.stringIndexInfo || @@ -28873,7 +29003,7 @@ var ts; return true; } } - else if (type.flags & 1572864 /* UnionOrIntersection */) { + else if (type.flags & 196608 /* UnionOrIntersection */) { for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var t = _a[_i]; if (isKnownProperty(t, name)) { @@ -28891,8 +29021,7 @@ var ts; !t.numberIndexInfo; } function hasExcessProperties(source, target, reportErrors) { - if (maybeTypeOfKind(target, 2588672 /* ObjectType */) && - (!(target.flags & 2588672 /* ObjectType */) || !target.isObjectLiteralPatternWithComputedProperties)) { + if (maybeTypeOfKind(target, 32768 /* Object */) && !(getObjectFlags(target) & 256 /* ObjectLiteralPatternWithComputedProperties */)) { for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { var prop = _a[_i]; if (!isKnownProperty(target, prop.name)) { @@ -28925,7 +29054,7 @@ var ts; } function typeRelatedToSomeType(source, target, reportErrors) { var targetTypes = target.types; - if (target.flags & 524288 /* Union */ && containsType(targetTypes, source)) { + if (target.flags & 65536 /* Union */ && containsType(targetTypes, source)) { return -1 /* True */; } var len = targetTypes.length; @@ -28952,7 +29081,7 @@ var ts; } function someTypeRelatedToType(source, target, reportErrors) { var sourceTypes = source.types; - if (source.flags & 524288 /* Union */ && containsType(sourceTypes, target)) { + if (source.flags & 65536 /* Union */ && containsType(sourceTypes, target)) { return -1 /* True */; } var len = sourceTypes.length; @@ -29083,7 +29212,7 @@ var ts; } var result = -1 /* True */; var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 8388608 /* ObjectLiteral */); + var requireOptionalProperties = relation === subtypeRelation && !(getObjectFlags(source) & 64 /* ObjectLiteral */); for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { var targetProp = properties_2[_i]; var sourceProp = getPropertyOfType(source, targetProp.name); @@ -29156,7 +29285,7 @@ var ts; return result; } function propertiesIdenticalTo(source, target) { - if (!(source.flags & 2588672 /* ObjectType */ && target.flags & 2588672 /* ObjectType */)) { + if (!(source.flags & 32768 /* Object */ && target.flags & 32768 /* Object */)) { return 0 /* False */; } var sourceProperties = getPropertiesOfObjectType(source); @@ -29341,7 +29470,7 @@ var ts; } // Return true if the given type is the constructor type for an abstract class function isAbstractConstructorType(type) { - if (type.flags & 2097152 /* Anonymous */) { + if (getObjectFlags(type) & 16 /* Anonymous */) { var symbol = type.symbol; if (symbol && symbol.flags & 32 /* Class */) { var declaration = getClassLikeDeclarationOfSymbol(symbol); @@ -29359,12 +29488,12 @@ var ts; // some level beyond that. function isDeeplyNestedGeneric(type, stack, depth) { // We track type references (created by createTypeReference) and instantiated types (created by instantiateType) - if (type.flags & (131072 /* Reference */ | 4194304 /* Instantiated */) && depth >= 5) { + if (getObjectFlags(type) & (4 /* Reference */ | 32 /* Instantiated */) && depth >= 5) { var symbol = type.symbol; var count = 0; for (var i = 0; i < depth; i++) { var t = stack[i]; - if (t.flags & (131072 /* Reference */ | 4194304 /* Instantiated */) && t.symbol === symbol) { + if (getObjectFlags(t) & (4 /* Reference */ | 32 /* Instantiated */) && t.symbol === symbol) { count++; if (count >= 5) return true; @@ -29550,12 +29679,12 @@ var ts; checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); } function isArrayType(type) { - return type.flags & 131072 /* Reference */ && type.target === globalArrayType; + return getObjectFlags(type) & 4 /* Reference */ && type.target === globalArrayType; } function isArrayLikeType(type) { // A type is array-like if it is a reference to the global Array or global ReadonlyArray type, // or if it is not the undefined or null type and if it is assignable to ReadonlyArray - return type.flags & 131072 /* Reference */ && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || + return getObjectFlags(type) & 4 /* Reference */ && (type.target === globalArrayType || type.target === globalReadonlyArrayType) || !(type.flags & 6144 /* Nullable */) && isTypeAssignableTo(type, anyReadonlyArrayType); } function isTupleLikeType(type) { @@ -29566,7 +29695,7 @@ var ts; } function isLiteralType(type) { return type.flags & 8 /* Boolean */ ? true : - type.flags & 524288 /* Union */ ? type.flags & 16 /* Enum */ ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : + type.flags & 65536 /* Union */ ? type.flags & 16 /* Enum */ ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) : isUnitType(type); } function getBaseTypeOfLiteralType(type) { @@ -29574,15 +29703,15 @@ var ts; type.flags & 64 /* NumberLiteral */ ? numberType : type.flags & 128 /* BooleanLiteral */ ? booleanType : type.flags & 256 /* EnumLiteral */ ? type.baseType : - type.flags & 524288 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : + type.flags & 65536 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getBaseTypeOfLiteralType)) : type; } function getWidenedLiteralType(type) { - return type.flags & 32 /* StringLiteral */ && type.flags & 16777216 /* FreshLiteral */ ? stringType : - type.flags & 64 /* NumberLiteral */ && type.flags & 16777216 /* FreshLiteral */ ? numberType : + return type.flags & 32 /* StringLiteral */ && type.flags & 262144 /* FreshLiteral */ ? stringType : + type.flags & 64 /* NumberLiteral */ && type.flags & 262144 /* FreshLiteral */ ? numberType : type.flags & 128 /* BooleanLiteral */ ? booleanType : type.flags & 256 /* EnumLiteral */ ? type.baseType : - type.flags & 524288 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : + type.flags & 65536 /* Union */ && !(type.flags & 16 /* Enum */) ? getUnionType(ts.sameMap(type.types, getWidenedLiteralType)) : type; } /** @@ -29590,7 +29719,7 @@ var ts; * Prefer using isTupleLikeType() unless the use of `elementTypes` is required. */ function isTupleType(type) { - return !!(type.flags & 131072 /* Reference */ && type.target.flags & 262144 /* Tuple */); + return !!(getObjectFlags(type) & 4 /* Reference */ && type.target.objectFlags & 8 /* Tuple */); } function getFalsyFlagsOfTypes(types) { var result = 0; @@ -29604,7 +29733,7 @@ var ts; // flags for the string, number, boolean, "", 0, false, void, undefined, or null types respectively. Returns // no flags for all other types (including non-falsy literal types). function getFalsyFlags(type) { - return type.flags & 524288 /* Union */ ? getFalsyFlagsOfTypes(type.types) : + return type.flags & 65536 /* Union */ ? getFalsyFlagsOfTypes(type.types) : type.flags & 32 /* StringLiteral */ ? type.text === "" ? 32 /* StringLiteral */ : 0 : type.flags & 64 /* NumberLiteral */ ? type.text === "0" ? 64 /* NumberLiteral */ : 0 : type.flags & 128 /* BooleanLiteral */ ? type === falseType ? 128 /* BooleanLiteral */ : 0 : @@ -29674,7 +29803,7 @@ var ts; * Leave signatures alone since they are not subject to the check. */ function getRegularTypeOfObjectLiteral(type) { - if (!(type.flags & 8388608 /* ObjectLiteral */ && type.flags & 16777216 /* FreshLiteral */)) { + if (!(getObjectFlags(type) & 64 /* ObjectLiteral */ && type.flags & 262144 /* FreshLiteral */)) { return type; } var regularType = type.regularType; @@ -29684,7 +29813,8 @@ var ts; var resolved = type; var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral); var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo); - regularNew.flags = resolved.flags & ~16777216 /* FreshLiteral */; + regularNew.flags = resolved.flags & ~262144 /* FreshLiteral */; + regularNew.objectFlags |= 64 /* ObjectLiteral */; type.regularType = regularNew; return regularNew; } @@ -29701,14 +29831,14 @@ var ts; return type.flags & 6144 /* Nullable */ ? type : getWidenedType(type); } function getWidenedType(type) { - if (type.flags & 100663296 /* RequiresWidening */) { + if (type.flags & 1572864 /* RequiresWidening */) { if (type.flags & 6144 /* Nullable */) { return anyType; } - if (type.flags & 8388608 /* ObjectLiteral */) { + if (getObjectFlags(type) & 64 /* ObjectLiteral */) { return getWidenedTypeOfObjectLiteral(type); } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { return getUnionType(ts.sameMap(type.types, getWidenedConstituentType)); } if (isArrayType(type) || isTupleType(type)) { @@ -29730,7 +29860,7 @@ var ts; */ function reportWideningErrorsInType(type) { var errorReported = false; - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var t = _a[_i]; if (reportWideningErrorsInType(t)) { @@ -29746,11 +29876,11 @@ var ts; } } } - if (type.flags & 8388608 /* ObjectLiteral */) { + if (getObjectFlags(type) & 64 /* ObjectLiteral */) { for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { var p = _e[_d]; var t = getTypeOfSymbol(p); - if (t.flags & 33554432 /* ContainsWideningType */) { + if (t.flags & 524288 /* ContainsWideningType */) { if (!reportWideningErrorsInType(t)) { error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); } @@ -29795,7 +29925,7 @@ var ts; error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); } function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 33554432 /* ContainsWideningType */) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 524288 /* ContainsWideningType */) { // Report implicit any error within type if possible, otherwise report error on declaration if (!reportWideningErrorsInType(type)) { reportImplicitAnyError(declaration, type); @@ -29844,9 +29974,9 @@ var ts; // results for union and intersection types for performance reasons. function couldContainTypeParameters(type) { return !!(type.flags & 16384 /* TypeParameter */ || - type.flags & 131072 /* Reference */ && ts.forEach(type.typeArguments, couldContainTypeParameters) || - type.flags & 2097152 /* Anonymous */ && type.symbol && type.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */) || - type.flags & 1572864 /* UnionOrIntersection */ && couldUnionOrIntersectionContainTypeParameters(type)); + getObjectFlags(type) & 4 /* Reference */ && ts.forEach(type.typeArguments, couldContainTypeParameters) || + getObjectFlags(type) & 16 /* Anonymous */ && type.symbol && type.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */) || + type.flags & 196608 /* UnionOrIntersection */ && couldUnionOrIntersectionContainTypeParameters(type)); } function couldUnionOrIntersectionContainTypeParameters(type) { if (type.couldContainTypeParameters === undefined) { @@ -29855,7 +29985,7 @@ var ts; return type.couldContainTypeParameters; } function isTypeParameterAtTopLevel(type, typeParameter) { - return type === typeParameter || type.flags & 1572864 /* UnionOrIntersection */ && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); + return type === typeParameter || type.flags & 196608 /* UnionOrIntersection */ && ts.forEach(type.types, function (t) { return isTypeParameterAtTopLevel(t, typeParameter); }); } function inferTypes(context, originalSource, originalTarget) { var typeParameters = context.signature.typeParameters; @@ -29877,8 +30007,8 @@ var ts; if (!couldContainTypeParameters(target)) { return; } - if (source.flags & 524288 /* Union */ && target.flags & 524288 /* Union */ && !(source.flags & 16 /* Enum */ && target.flags & 16 /* Enum */) || - source.flags & 1048576 /* Intersection */ && target.flags & 1048576 /* Intersection */) { + if (source.flags & 65536 /* Union */ && target.flags & 65536 /* Union */ && !(source.flags & 16 /* Enum */ && target.flags & 16 /* Enum */) || + source.flags & 131072 /* Intersection */ && target.flags & 131072 /* Intersection */) { // Source and target are both unions or both intersections. If source and target // are the same type, just relate each constituent type to itself. if (source === target) { @@ -29923,7 +30053,7 @@ var ts; // it as an inference candidate. Hopefully, a better candidate will come along that does // not contain anyFunctionType when we come back to this argument for its second round // of inference. - if (source.flags & 134217728 /* ContainsAnyFunctionType */) { + if (source.flags & 2097152 /* ContainsAnyFunctionType */) { return; } for (var i = 0; i < typeParameters.length; i++) { @@ -29950,7 +30080,7 @@ var ts; } } } - else if (source.flags & 131072 /* Reference */ && target.flags & 131072 /* Reference */ && source.target === target.target) { + else if (getObjectFlags(source) & 4 /* Reference */ && getObjectFlags(target) & 4 /* Reference */ && source.target === target.target) { // If source and target are references to the same generic type, infer from type arguments var sourceTypes = source.typeArguments || emptyArray; var targetTypes = target.typeArguments || emptyArray; @@ -29959,7 +30089,7 @@ var ts; inferFromTypes(sourceTypes[i], targetTypes[i]); } } - else if (target.flags & 1572864 /* UnionOrIntersection */) { + else if (target.flags & 196608 /* UnionOrIntersection */) { var targetTypes = target.types; var typeParameterCount = 0; var typeParameter = void 0; @@ -29983,7 +30113,7 @@ var ts; inferiority--; } } - else if (source.flags & 1572864 /* UnionOrIntersection */) { + else if (source.flags & 196608 /* UnionOrIntersection */) { // Source is a union or intersection type, infer from each constituent type var sourceTypes = source.types; for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) { @@ -29993,7 +30123,7 @@ var ts; } else { source = getApparentType(source); - if (source.flags & 2588672 /* ObjectType */) { + if (source.flags & 32768 /* Object */) { if (isInProcess(source, target)) { return; } @@ -30093,7 +30223,7 @@ var ts; reducedTypes.push(t); } } - return type.flags & 524288 /* Union */ ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); + return type.flags & 65536 /* Union */ ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes); } function getInferenceCandidates(context, index) { var inferences = context.inferences[index]; @@ -30255,7 +30385,7 @@ var ts; return undefined; } function isDiscriminantProperty(type, name) { - if (type && type.flags & 524288 /* Union */) { + if (type && type.flags & 65536 /* Union */) { var prop = getUnionOrIntersectionProperty(type, name); if (prop && prop.flags & 268435456 /* SyntheticProperty */) { if (prop.isDiscriminantProperty === undefined) { @@ -30292,7 +30422,7 @@ var ts; return flow.id; } function typeMaybeAssignableTo(source, target) { - if (!(source.flags & 524288 /* Union */)) { + if (!(source.flags & 65536 /* Union */)) { return isTypeAssignableTo(source, target); } for (var _i = 0, _a = source.types; _i < _a.length; _i++) { @@ -30360,7 +30490,7 @@ var ts; type === falseType ? 3030404 /* FalseStrictFacts */ : 1981828 /* TrueStrictFacts */ : type === falseType ? 3145092 /* FalseFacts */ : 4193668 /* TrueFacts */; } - if (flags & 2588672 /* ObjectType */) { + if (flags & 32768 /* Object */) { return isFunctionObjectType(type) ? strictNullChecks ? 6164448 /* FunctionStrictFacts */ : 8376288 /* FunctionFacts */ : strictNullChecks ? 6166480 /* ObjectStrictFacts */ : 8378320 /* ObjectFacts */; @@ -30378,7 +30508,7 @@ var ts; var constraint = getConstraintOfTypeParameter(type); return getTypeFacts(constraint || emptyObjectType); } - if (flags & 1572864 /* UnionOrIntersection */) { + if (flags & 196608 /* UnionOrIntersection */) { return getTypeFactsOfTypes(type.types); } return 8388607 /* All */; @@ -30531,13 +30661,13 @@ var ts; return links.switchTypes; } function eachTypeContainedIn(source, types) { - return source.flags & 524288 /* Union */ ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); + return source.flags & 65536 /* Union */ ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source); } function isTypeSubsetOf(source, target) { - return source === target || target.flags & 524288 /* Union */ && isTypeSubsetOfUnion(source, target); + return source === target || target.flags & 65536 /* Union */ && isTypeSubsetOfUnion(source, target); } function isTypeSubsetOfUnion(source, target) { - if (source.flags & 524288 /* Union */) { + if (source.flags & 65536 /* Union */) { for (var _i = 0, _a = source.types; _i < _a.length; _i++) { var t = _a[_i]; if (!containsType(target.types, t)) { @@ -30552,7 +30682,7 @@ var ts; return containsType(target.types, source); } function filterType(type, f) { - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var types = type.types; var filtered = ts.filter(types, f); return filtered === types ? type : getUnionTypeFromSortedList(filtered); @@ -30560,7 +30690,7 @@ var ts; return f(type) ? type : neverType; } function mapType(type, f) { - return type.flags & 524288 /* Union */ ? getUnionType(ts.map(type.types, f)) : f(type); + return type.flags & 65536 /* Union */ ? getUnionType(ts.map(type.types, f)) : f(type); } function extractTypesOfKind(type, kind) { return filterType(type, function (t) { return (t.flags & kind) !== 0; }); @@ -30593,7 +30723,7 @@ var ts; // array types are ultimately converted into manifest array types (using getFinalArrayType) // and never escape the getFlowTypeOfReference function. function createEvolvingArrayType(elementType) { - var result = createObjectType(2097152 /* Anonymous */); + var result = createObjectType(128 /* EvolvingArray */); result.elementType = elementType; return result; } @@ -30607,13 +30737,10 @@ var ts; var elementType = getBaseTypeOfLiteralType(checkExpression(node)); return isTypeSubsetOf(elementType, evolvingArrayType.elementType) ? evolvingArrayType : getEvolvingArrayType(getUnionType([evolvingArrayType.elementType, elementType])); } - function isEvolvingArrayType(type) { - return !!(type.flags & 2097152 /* Anonymous */ && type.elementType); - } function createFinalArrayType(elementType) { return elementType.flags & 8192 /* Never */ ? autoArrayType : - createArrayType(elementType.flags & 524288 /* Union */ ? + createArrayType(elementType.flags & 65536 /* Union */ ? getUnionType(elementType.types, /*subtypeReduction*/ true) : elementType); } @@ -30622,17 +30749,17 @@ var ts; return evolvingArrayType.finalArrayType || (evolvingArrayType.finalArrayType = createFinalArrayType(evolvingArrayType.elementType)); } function finalizeEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? getFinalArrayType(type) : type; + return getObjectFlags(type) & 128 /* EvolvingArray */ ? getFinalArrayType(type) : type; } function getElementTypeOfEvolvingArrayType(type) { - return isEvolvingArrayType(type) ? type.elementType : neverType; + return getObjectFlags(type) & 128 /* EvolvingArray */ ? type.elementType : neverType; } function isEvolvingArrayTypeList(types) { var hasEvolvingArrayType = false; for (var _i = 0, types_12 = types; _i < types_12.length; _i++) { var t = types_12[_i]; if (!(t.flags & 8192 /* Never */)) { - if (!isEvolvingArrayType(t)) { + if (!(getObjectFlags(t) & 128 /* EvolvingArray */)) { return false; } hasEvolvingArrayType = true; @@ -30666,7 +30793,7 @@ var ts; } function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) { var key; - if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 4178943 /* Narrowable */)) { + if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 246783 /* Narrowable */)) { return declaredType; } var initialType = assumeInitialized ? declaredType : @@ -30679,7 +30806,7 @@ var ts; // we give type 'any[]' to 'x' instead of using the type determined by control flow analysis such that operations // on empty arrays are possible without implicit any errors and new element types can be inferred without // type mismatch errors. - var resultType = isEvolvingArrayType(evolvedType) && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); + var resultType = getObjectFlags(evolvedType) & 128 /* EvolvingArray */ && isEvolvingArrayOperationTarget(reference) ? anyArrayType : finalizeEvolvingArrayType(evolvedType); if (reference.parent.kind === 197 /* NonNullExpression */ && getTypeWithFacts(resultType, 524288 /* NEUndefinedOrNull */).flags & 8192 /* Never */) { return declaredType; } @@ -30766,7 +30893,7 @@ var ts; var assignedType = getBaseTypeOfLiteralType(getInitialOrAssignedType(node)); return isTypeAssignableTo(assignedType, declaredType) ? assignedType : anyArrayType; } - if (declaredType.flags & 524288 /* Union */) { + if (declaredType.flags & 65536 /* Union */) { return getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)); } return declaredType; @@ -30789,7 +30916,7 @@ var ts; if (isMatchingReference(reference, getReferenceCandidate(expr))) { var flowType = getTypeAtFlowNode(flow.antecedent); var type = getTypeFromFlowType(flowType); - if (isEvolvingArrayType(type)) { + if (getObjectFlags(type) & 128 /* EvolvingArray */) { var evolvedType_1 = type; if (node.kind === 175 /* CallExpression */) { for (var _i = 0, _a = node.arguments; _i < _a.length; _i++) { @@ -30947,7 +31074,7 @@ var ts; } function isMatchingReferenceDiscriminant(expr) { return expr.kind === 173 /* PropertyAccessExpression */ && - declaredType.flags & 524288 /* Union */ && + declaredType.flags & 65536 /* Union */ && isMatchingReference(reference, expr.expression) && isDiscriminantProperty(declaredType, expr.name.text); } @@ -31029,7 +31156,7 @@ var ts; assumeTrue ? 16384 /* EQUndefined */ : 131072 /* NEUndefined */; return getTypeWithFacts(type, facts); } - if (type.flags & 2589185 /* NotUnionOrUnit */) { + if (type.flags & 33281 /* NotUnionOrUnit */) { return type; } if (assumeTrue) { @@ -31056,7 +31183,7 @@ var ts; if (operator === 32 /* ExclamationEqualsToken */ || operator === 34 /* ExclamationEqualsEqualsToken */) { assumeTrue = !assumeTrue; } - if (assumeTrue && !(type.flags & 524288 /* Union */)) { + if (assumeTrue && !(type.flags & 65536 /* Union */)) { // We narrow a non-union type to an exact primitive type if the non-union type // is a supertype of that primitive type. For example, type 'any' can be narrowed // to one of the primitive types. @@ -31118,10 +31245,10 @@ var ts; if (!targetType) { // Target type is type of construct signature var constructSignatures = void 0; - if (rightType.flags & 65536 /* Interface */) { + if (getObjectFlags(rightType) & 2 /* Interface */) { constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; } - else if (rightType.flags & 2097152 /* Anonymous */) { + else if (getObjectFlags(rightType) & 16 /* Anonymous */) { constructSignatures = getSignaturesOfType(rightType, 1 /* Construct */); } if (constructSignatures && constructSignatures.length) { @@ -31139,7 +31266,7 @@ var ts; } // If the current type is a union type, remove all constituents that couldn't be instances of // the candidate type. If one or more constituents remain, return a union of those. - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); }); if (!(assignableType.flags & 8192 /* Never */)) { return assignableType; @@ -32018,7 +32145,7 @@ var ts; // is a union type, the mapping function is applied to each constituent type and a union of the resulting // types is returned. function applyToContextualType(type, mapper) { - if (!(type.flags & 524288 /* Union */)) { + if (!(type.flags & 65536 /* Union */)) { return mapper(type); } var types = type.types; @@ -32043,7 +32170,7 @@ var ts; } function getTypeOfPropertyOfContextualType(type, name) { return applyToContextualType(type, function (t) { - var prop = t.flags & 4161536 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; + var prop = t.flags & 229376 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; return prop ? getTypeOfSymbol(prop) : undefined; }); } @@ -32052,7 +32179,7 @@ var ts; } // Return true if the given contextual type is a tuple-like type function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 524288 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + return !!(type.flags & 65536 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); } // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one @@ -32227,7 +32354,7 @@ var ts; if (!type) { return undefined; } - if (!(type.flags & 524288 /* Union */)) { + if (!(type.flags & 65536 /* Union */)) { return getNonGenericSignature(type); } var signatureList; @@ -32469,8 +32596,7 @@ var ts; patternWithComputedProperties = true; } } - else if (contextualTypeHasPattern && - !(contextualType.flags & 2588672 /* ObjectType */ && contextualType.isObjectLiteralPatternWithComputedProperties)) { + else if (contextualTypeHasPattern && !(getObjectFlags(contextualType) & 256 /* ObjectLiteralPatternWithComputedProperties */)) { // If object literal is contextually typed by the implied type of a binding pattern, and if the // binding pattern specifies a default value for the property, make the property optional. var impliedProp = getPropertyOfType(contextualType, member.name); @@ -32529,10 +32655,11 @@ var ts; var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0 /* String */) : undefined; var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1 /* Number */) : undefined; var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 16777216 /* FreshLiteral */; - result.flags |= 8388608 /* ObjectLiteral */ | 67108864 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 234881024 /* PropagatingFlags */); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 262144 /* FreshLiteral */; + result.flags |= 1048576 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 3670016 /* PropagatingFlags */); + result.objectFlags |= 64 /* ObjectLiteral */; if (patternWithComputedProperties) { - result.isObjectLiteralPatternWithComputedProperties = true; + result.objectFlags |= 256 /* ObjectLiteralPatternWithComputedProperties */; } if (inDestructuringPattern) { result.pattern = node; @@ -32693,7 +32820,7 @@ var ts; * For example, in the element , the element instance type is `MyClass` (not `typeof MyClass`). */ function getJsxElementInstanceType(node, valueType) { - ts.Debug.assert(!(valueType.flags & 524288 /* Union */)); + ts.Debug.assert(!(valueType.flags & 65536 /* Union */)); if (isTypeAny(valueType)) { // Short-circuit if the class tag is using an element type 'any' return anyType; @@ -32751,7 +32878,7 @@ var ts; if (!elemType) { elemType = checkExpression(node.tagName); } - if (elemType.flags & 524288 /* Union */) { + if (elemType.flags & 65536 /* Union */) { var types = elemType.types; return getUnionType(ts.map(types, function (type) { return getResolvedJsxType(node, type, elemClassType); @@ -32825,7 +32952,7 @@ var ts; // Props is of type 'any' or unknown return attributesType; } - else if (attributesType.flags & 524288 /* Union */) { + else if (attributesType.flags & 65536 /* Union */) { // Props cannot be a union type error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); return anyType; @@ -32920,7 +33047,13 @@ var ts; var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; var reactSym = resolveName(node.tagName, reactNamespace, 107455 /* Value */, reactRefErr, reactNamespace); if (reactSym) { - getSymbolLinks(reactSym).referenced = true; + // Mark local symbol as referenced here because it might not have been marked + // if jsx emit was not react as there wont be error being emitted + reactSym.isReferenced = true; + // If react symbol is alias, mark it as refereced + if (reactSym.flags & 8388608 /* Alias */ && !isConstEnumOrConstEnumOnlyModule(resolveAlias(reactSym))) { + markAliasSymbolAsReferenced(reactSym); + } } var targetAttributesType = getJsxElementAttributesType(node); var nameTable = ts.createMap(); @@ -33047,7 +33180,7 @@ var ts; type = getConstraintOfTypeParameter(type); } // TODO: why is the first part of this check here? - if (!(getTargetType(type).flags & (32768 /* Class */ | 65536 /* Interface */) && hasBaseType(type, enclosingClass))) { + if (!(getObjectFlags(getTargetType(type)) & 3 /* ClassOrInterface */ && hasBaseType(type, enclosingClass))) { error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); return false; } @@ -33110,13 +33243,13 @@ var ts; // accessor, or optional method. if (node.kind !== 173 /* PropertyAccessExpression */ || ts.isAssignmentTarget(node) || !(prop.flags & (3 /* Variable */ | 4 /* Property */ | 98304 /* Accessor */)) && - !(prop.flags & 8192 /* Method */ && propType.flags & 524288 /* Union */)) { + !(prop.flags & 8192 /* Method */ && propType.flags & 65536 /* Union */)) { return propType; } return getFlowTypeOfReference(node, propType, /*assumeInitialized*/ true, /*flowContainer*/ undefined); function reportNonexistentProperty(propNode, containingType) { var errorInfo; - if (containingType.flags & 524288 /* Union */ && !(containingType.flags & 8190 /* Primitive */)) { + if (containingType.flags & 65536 /* Union */ && !(containingType.flags & 8190 /* Primitive */)) { for (var _i = 0, _a = containingType.types; _i < _a.length; _i++) { var subtype = _a[_i]; if (!getPropertyOfType(subtype, propNode.text)) { @@ -33479,7 +33612,7 @@ var ts; } // If type has a single call signature and no other members, return that signature. Otherwise, return undefined. function getSingleCallSignature(type) { - if (type.flags & 2588672 /* ObjectType */) { + if (type.flags & 32768 /* Object */) { var resolved = resolveStructuredTypeMembers(type); if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) { @@ -34195,7 +34328,7 @@ var ts; if (!numCallSignatures && !numConstructSignatures) { // We exclude union types because we may have a union of function types that happen to have // no common signatures. - if (funcType.flags & 524288 /* Union */) { + if (funcType.flags & 65536 /* Union */) { return false; } return isTypeAssignableTo(funcType, globalFunctionType); @@ -34448,14 +34581,37 @@ var ts; } } // In JavaScript files, calls to any identifier 'require' are treated as external module imports - if (ts.isInJavaScriptFile(node) && - ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true) && - // Make sure require is not a local function - !resolveName(node.expression, node.expression.text, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined)) { + if (ts.isInJavaScriptFile(node) && isCommonJsRequire(node)) { return resolveExternalModuleTypeByLiteral(node.arguments[0]); } return getReturnTypeOfSignature(signature); } + function isCommonJsRequire(node) { + if (!ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { + return false; + } + // Make sure require is not a local function + var resolvedRequire = resolveName(node.expression, node.expression.text, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); + if (!resolvedRequire) { + // project does not contain symbol named 'require' - assume commonjs require + return true; + } + // project includes symbol named 'require' - make sure that it it ambient and local non-alias + if (resolvedRequire.flags & 8388608 /* Alias */) { + return false; + } + var targetDeclarationKind = resolvedRequire.flags & 16 /* Function */ + ? 221 /* FunctionDeclaration */ + : resolvedRequire.flags & 3 /* Variable */ + ? 219 /* VariableDeclaration */ + : 0 /* Unknown */; + if (targetDeclarationKind !== 0 /* Unknown */) { + var decl = ts.getDeclarationOfKind(resolvedRequire, targetDeclarationKind); + // function/variable declaration should be ambient + return ts.isInAmbientContext(decl); + } + return false; + } function checkTaggedTemplateExpression(node) { return getReturnTypeOfSignature(getResolvedSignature(node)); } @@ -35051,7 +35207,7 @@ var ts; if (type.flags & kind) { return true; } - if (type.flags & 1572864 /* UnionOrIntersection */) { + if (type.flags & 196608 /* UnionOrIntersection */) { var types = type.types; for (var _i = 0, types_15 = types; _i < types_15.length; _i++) { var t = types_15[_i]; @@ -35069,7 +35225,7 @@ var ts; if (type.flags & kind) { return true; } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var types = type.types; for (var _i = 0, types_16 = types; _i < types_16.length; _i++) { var t = types_16[_i]; @@ -35079,7 +35235,7 @@ var ts; } return true; } - if (type.flags & 1048576 /* Intersection */) { + if (type.flags & 131072 /* Intersection */) { var types = type.types; for (var _a = 0, types_17 = types; _a < types_17.length; _a++) { var t = types_17[_a]; @@ -35091,7 +35247,7 @@ var ts; return false; } function isConstEnumObjectType(type) { - return type.flags & (2588672 /* ObjectType */ | 2097152 /* Anonymous */) && type.symbol && isConstEnumSymbol(type.symbol); + return getObjectFlags(type) & 16 /* Anonymous */ && type.symbol && isConstEnumSymbol(type.symbol); } function isConstEnumSymbol(symbol) { return (symbol.flags & 128 /* ConstEnum */) !== 0; @@ -35125,7 +35281,7 @@ var ts; if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 /* StringLike */ | 340 /* NumberLike */ | 512 /* ESSymbol */)) { error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 /* ObjectType */ | 16384 /* TypeParameter */)) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 /* Object */ | 16384 /* TypeParameter */)) { error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); } return booleanType; @@ -36679,7 +36835,7 @@ var ts; if (isTypeAny(promise)) { return undefined; } - if (promise.flags & 131072 /* Reference */) { + if (getObjectFlags(promise) & 4 /* Reference */) { if (promise.target === tryGetGlobalPromiseType() || promise.target === getGlobalPromiseLikeType()) { return promise.typeArguments[0]; @@ -36723,7 +36879,7 @@ var ts; function checkAwaitedType(type, location, message) { return checkAwaitedTypeWorker(type); function checkAwaitedTypeWorker(type) { - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { var types = []; for (var _i = 0, _a = type.types; _i < _a.length; _i++) { var constituentType = _a[_i]; @@ -37140,30 +37296,44 @@ var ts; } function checkUnusedLocalsAndParameters(node) { if (node.parent.kind !== 223 /* InterfaceDeclaration */ && noUnusedIdentifiers && !ts.isInAmbientContext(node)) { - var _loop_1 = function (key) { + var _loop_2 = function (key) { var local = node.locals[key]; if (!local.isReferenced) { - if (local.valueDeclaration && local.valueDeclaration.kind === 143 /* Parameter */) { - var parameter = local.valueDeclaration; + if (local.valueDeclaration && ts.getRootDeclaration(local.valueDeclaration).kind === 143 /* Parameter */) { + var parameter = ts.getRootDeclaration(local.valueDeclaration); if (compilerOptions.noUnusedParameters && !ts.isParameterPropertyDeclaration(parameter) && !ts.parameterIsThisKeyword(parameter) && - !parameterNameStartsWithUnderscore(parameter)) { + !parameterNameStartsWithUnderscore(local.valueDeclaration.name)) { error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name); } } else if (compilerOptions.noUnusedLocals) { - ts.forEach(local.declarations, function (d) { return error(d.name || d, ts.Diagnostics._0_is_declared_but_never_used, local.name); }); + ts.forEach(local.declarations, function (d) { return errorUnusedLocal(d.name || d, local.name); }); } } }; for (var key in node.locals) { - _loop_1(key); + _loop_2(key); } } } - function parameterNameStartsWithUnderscore(parameter) { - return parameter.name && parameter.name.kind === 70 /* Identifier */ && parameter.name.text.charCodeAt(0) === 95 /* _ */; + function errorUnusedLocal(node, name) { + if (isIdentifierThatStartsWithUnderScore(node)) { + var declaration = ts.getRootDeclaration(node.parent); + if (declaration.kind === 219 /* VariableDeclaration */ && + (declaration.parent.parent.kind === 208 /* ForInStatement */ || + declaration.parent.parent.kind === 209 /* ForOfStatement */)) { + return; + } + } + error(node, ts.Diagnostics._0_is_declared_but_never_used, name); + } + function parameterNameStartsWithUnderscore(parameterName) { + return parameterName && isIdentifierThatStartsWithUnderScore(parameterName); + } + function isIdentifierThatStartsWithUnderScore(node) { + return node.kind === 70 /* Identifier */ && node.text.charCodeAt(0) === 95 /* _ */; } function checkUnusedClassMembers(node) { if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) { @@ -37721,7 +37891,7 @@ var ts; var rightType = checkNonNullExpression(node.expression); // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved // in this case error about missing name is already reported - do not report extra one - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 /* ObjectType */ | 16384 /* TypeParameter */)) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 32768 /* Object */ | 16384 /* TypeParameter */)) { error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); } checkSourceElement(node.statement); @@ -37803,7 +37973,7 @@ var ts; if (!typeAsIterable.iterableElementType) { // As an optimization, if the type is instantiated directly using the globalIterableType (Iterable), // then just grab its type argument. - if ((type.flags & 131072 /* Reference */) && type.target === getGlobalIterableType()) { + if ((getObjectFlags(type) & 4 /* Reference */) && type.target === getGlobalIterableType()) { typeAsIterable.iterableElementType = type.typeArguments[0]; } else { @@ -37844,7 +38014,7 @@ var ts; if (!typeAsIterator.iteratorElementType) { // As an optimization, if the type is instantiated directly using the globalIteratorType (Iterator), // then just grab its type argument. - if ((type.flags & 131072 /* Reference */) && type.target === getGlobalIteratorType()) { + if ((getObjectFlags(type) & 4 /* Reference */) && type.target === getGlobalIteratorType()) { typeAsIterator.iteratorElementType = type.typeArguments[0]; } else { @@ -37881,7 +38051,7 @@ var ts; } // As an optimization, if the type is instantiated directly using the globalIterableIteratorType (IterableIterator), // then just grab its type argument. - if ((type.flags & 131072 /* Reference */) && type.target === getGlobalIterableIteratorType()) { + if ((getObjectFlags(type) & 4 /* Reference */) && type.target === getGlobalIterableIteratorType()) { return type.typeArguments[0]; } return getElementTypeOfIterable(type, /*errorNode*/ undefined) || @@ -37909,7 +38079,7 @@ var ts; // After we remove all types that are StringLike, we will know if there was a string constituent // based on whether the remaining type is the same as the initial type. var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 524288 /* Union */) { + if (arrayOrStringType.flags & 65536 /* Union */) { arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34 /* StringLike */); }), /*subtypeReduction*/ true); } else if (arrayOrStringType.flags & 34 /* StringLike */) { @@ -38106,22 +38276,20 @@ var ts; if (catchClause) { // Grammar checking if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 70 /* Identifier */) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { + if (catchClause.variableDeclaration.type) { grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); } else if (catchClause.variableDeclaration.initializer) { grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); } else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2 /* BlockScopedVariable */) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); + var blockLocals = catchClause.block.locals; + if (blockLocals) { + for (var caughtName in catchClause.locals) { + var blockLocal = blockLocals[caughtName]; + if (blockLocal && (blockLocal.flags & 2 /* BlockScopedVariable */) !== 0) { + grammarErrorOnNode(blockLocal.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, caughtName); + } } } } @@ -38143,7 +38311,7 @@ var ts; checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); }); - if (type.flags & 32768 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { + if (getObjectFlags(type) & 1 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { var classDeclaration = type.symbol.valueDeclaration; for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { var member = _a[_i]; @@ -38162,7 +38330,7 @@ var ts; if (stringIndexType && numberIndexType) { errorNode = declaredNumberIndexer || declaredStringIndexer; // condition 'errorNode === undefined' may appear if types does not declare nor string neither number indexer - if (!errorNode && (type.flags & 65536 /* Interface */)) { + if (!errorNode && (getObjectFlags(type) & 2 /* Interface */)) { var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); }); errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; } @@ -38187,7 +38355,7 @@ var ts; else if (indexDeclaration) { errorNode = indexDeclaration; } - else if (containingType.flags & 65536 /* Interface */) { + else if (getObjectFlags(containingType) & 2 /* Interface */) { // for interfaces property and indexer might be inherited from different bases // check if any base class already has both property and indexer. // check should be performed only if 'type' is the first type that brings property\indexer together @@ -38302,7 +38470,9 @@ var ts; } checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (baseType_1.symbol.valueDeclaration && !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration)) { + if (baseType_1.symbol.valueDeclaration && + !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration) && + baseType_1.symbol.valueDeclaration.kind === 222 /* ClassDeclaration */) { if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) { error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class); } @@ -38331,8 +38501,8 @@ var ts; if (produceDiagnostics) { var t = getTypeFromTypeNode(typeRefNode); if (t !== unknownType) { - var declaredType = (t.flags & 131072 /* Reference */) ? t.target : t; - if (declaredType.flags & (32768 /* Class */ | 65536 /* Interface */)) { + var declaredType = getObjectFlags(t) & 4 /* Reference */ ? t.target : t; + if (getObjectFlags(declaredType) & 3 /* ClassOrInterface */) { checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); } else { @@ -38354,7 +38524,7 @@ var ts; if (declaration && ts.getModifierFlags(declaration) & 8 /* Private */) { var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol); if (!isNodeWithinClass(node, typeClassDeclaration)) { - error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, node.expression.text); + error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, getFullyQualifiedName(type.symbol)); } } } @@ -38554,6 +38724,7 @@ var ts; // Grammar checking checkGrammarDecorators(node) || checkGrammarModifiers(node); checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkTypeParameters(node.typeParameters); checkSourceElement(node.type); } function computeEnumMemberValues(node) { @@ -40195,7 +40366,7 @@ var ts; return undefined; } function isFunctionType(type) { - return type.flags & 2588672 /* ObjectType */ && getSignaturesOfType(type, 0 /* Call */).length > 0; + return type.flags & 32768 /* Object */ && getSignaturesOfType(type, 0 /* Call */).length > 0; } function getTypeReferenceSerializationKind(typeName, location) { // Resolve the symbol as a value to ensure the type can be reached at runtime during emit. @@ -40305,7 +40476,7 @@ var ts; function isLiteralConstDeclaration(node) { if (ts.isConst(node)) { var type = getTypeOfSymbol(getSymbolOfNode(node)); - return !!(type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 16777216 /* FreshLiteral */); + return !!(type.flags & 96 /* StringOrNumberLiteral */ && type.flags & 262144 /* FreshLiteral */); } return false; } @@ -40587,7 +40758,7 @@ var ts; // build the thenable type that is used to verify against a non-promise "thenable" operand to `await`. var thenPropertySymbol = createSymbol(67108864 /* Transient */ | 4 /* Property */, "then"); getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(2097152 /* Anonymous */); + var thenableType = createObjectType(16 /* Anonymous */); thenableType.properties = [thenPropertySymbol]; thenableType.members = createSymbolTable(thenableType.properties); thenableType.callSignatures = []; @@ -42524,13 +42695,13 @@ var ts; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1 /* Normal */) ? function (message) { return Debug.assert(false, message || "Node not optional."); } - : function () { }; + : ts.noop; Debug.failBadSyntaxKind = Debug.shouldAssert(1 /* Normal */) ? function (node, message) { return Debug.assert(false, message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " was unexpected."; }); } - : function () { }; + : ts.noop; Debug.assertNode = Debug.shouldAssert(1 /* Normal */) ? function (node, test, message) { return Debug.assert(test === undefined || test(node), message || "Unexpected node.", function () { return "Node " + ts.formatSyntaxKind(node.kind) + " did not pass test '" + getFunctionName(test) + "'."; }); } - : function () { }; + : ts.noop; function getFunctionName(func) { if (typeof func !== "function") { return ""; @@ -45737,7879 +45908,7894 @@ var ts; } ts.transformTypeScript = transformTypeScript; })(ts || (ts = {})); -/// -/// +/// +/// /*@internal*/ var ts; (function (ts) { - var entities = createEntitiesMap(); - function transformJsx(context) { + function transformES2015Module(context) { var compilerOptions = context.getCompilerOptions(); - var currentSourceFile; return transformSourceFile; - /** - * Transform JSX-specific syntax in a SourceFile. - * - * @param node A SourceFile node. - */ function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - return node; - } - function visitor(node) { - if (node.transformFlags & 4 /* Jsx */) { - return visitorWorker(node); - } - else if (node.transformFlags & 8 /* ContainsJsx */) { + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { return ts.visitEachChild(node, visitor, context); } - else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 242 /* JsxElement */: - return visitJsxElement(node, /*isChild*/ false); - case 243 /* JsxSelfClosingElement */: - return visitJsxSelfClosingElement(node, /*isChild*/ false); - case 248 /* JsxExpression */: - return visitJsxExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return undefined; - } + return node; } - function transformJsxChildToExpression(node) { + function visitor(node) { switch (node.kind) { - case 10 /* JsxText */: - return visitJsxText(node); - case 248 /* JsxExpression */: - return visitJsxExpression(node); - case 242 /* JsxElement */: - return visitJsxElement(node, /*isChild*/ true); - case 243 /* JsxSelfClosingElement */: - return visitJsxSelfClosingElement(node, /*isChild*/ true); - default: - ts.Debug.failBadSyntaxKind(node); + case 230 /* ImportEqualsDeclaration */: + // Elide `import=` as it is not legal with --module ES6 return undefined; + case 236 /* ExportAssignment */: + return visitExportAssignment(node); } + return node; } - function visitJsxElement(node, isChild) { - return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, /*location*/ node); - } - function visitJsxSelfClosingElement(node, isChild) { - return visitJsxOpeningLikeElement(node, /*children*/ undefined, isChild, /*location*/ node); + function visitExportAssignment(node) { + // Elide `export=` as it is not legal with --module ES6 + return node.isExportEquals ? undefined : node; } - function visitJsxOpeningLikeElement(node, children, isChild, location) { - var tagName = getTagName(node); - var objectProperties; - var attrs = node.attributes; - if (attrs.length === 0) { - // When there are no attributes, React wants "null" - objectProperties = ts.createNull(); - } - else { - // Map spans of JsxAttribute nodes into object literals and spans - // of JsxSpreadAttribute nodes into expressions. - var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread - ? ts.map(attrs, transformJsxSpreadAttributeToExpression) - : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); - if (ts.isJsxSpreadAttribute(attrs[0])) { - // We must always emit at least one object literal before a spread - // argument. - segments.unshift(ts.createObjectLiteral()); - } - // Either emit one big object literal (no spread attribs), or - // a call to the __assign helper. - objectProperties = ts.singleOrUndefined(segments) - || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); + } + ts.transformES2015Module = transformES2015Module; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformSystemModule(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70 /* Identifier */); + context.enableSubstitution(188 /* BinaryExpression */); + context.enableSubstitution(186 /* PrefixUnaryExpression */); + context.enableSubstitution(187 /* PostfixUnaryExpression */); + context.enableEmitNotification(256 /* SourceFile */); + var exportFunctionForFileMap = []; + var currentSourceFile; + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var exportFunctionForFile; + var contextObjectForFile; + var exportedLocalNames; + var exportedFunctionDeclarations; + var enclosingBlockScopedContainer; + var currentParent; + var currentNode; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); - if (isChild) { - ts.startOnNewLine(element); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + currentNode = node; + // Perform the transformation. + var updated = transformSystemModuleWorker(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + exportedLocalNames = undefined; + exportedFunctionDeclarations = undefined; + return updated; } - return element; + return node; } - function transformJsxSpreadAttributeToExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); + function transformSystemModuleWorker(node) { + // System modules have the following shape: + // + // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) + // + // The parameter 'exports' here is a callback '(name: string, value: T) => T' that + // is used to publish exported values. 'exports' returns its 'value' argument so in + // most cases expressions that mutate exported values can be rewritten as: + // + // expr -> exports('name', expr) + // + // The only exception in this rule is postfix unary operators, + // see comment to 'substitutePostfixUnaryExpression' for more details + ts.Debug.assert(!exportFunctionForFile); + // Collect information about the external module and dependency groups. + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + // Make sure that the name of the 'exports' function does not conflict with + // existing identifiers. + exportFunctionForFile = ts.createUniqueName("exports"); + contextObjectForFile = ts.createUniqueName("context"); + exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; + var dependencyGroups = collectDependencyGroups(externalImports); + var statements = []; + // Add the body of the module. + addSystemModuleBody(statements, node, dependencyGroups); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); + var body = ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ + ts.createParameter(exportFunctionForFile), + ts.createParameter(contextObjectForFile) + ], + /*type*/ undefined, ts.setEmitFlags(ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true), 1 /* EmitEmitHelpers */)); + // Write the call to `System.register` + // Clear the emit-helpers flag for later passes since we'll have already used it in the module body + // So the helper will be emit at the correct position instead of at the top of the source-file + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), + /*typeArguments*/ undefined, moduleName + ? [moduleName, dependencies, body] + : [dependencies, body])) + ], /*nodeEmitFlags*/ ~1 /* EmitEmitHelpers */ & ts.getEmitFlags(node)); + var _a; } - function transformJsxAttributeToObjectLiteralElement(node) { - var name = getAttributeName(node); - var expression = transformJsxAttributeInitializer(node.initializer); - return ts.createPropertyAssignment(name, expression); + /** + * Adds the statements for the module body function for the source file. + * + * @param statements The output statements for the module body. + * @param node The source file for the module. + * @param statementOffset The offset at which to begin visiting the statements of the SourceFile. + */ + function addSystemModuleBody(statements, node, dependencyGroups) { + // Shape of the body in system modules: + // + // function (exports) { + // + // + // + // return { + // setters: [ + // + // ], + // execute: function() { + // + // } + // } + // + // } + // + // i.e: + // + // import {x} from 'file1' + // var y = 1; + // export function foo() { return y + x(); } + // console.log(y); + // + // Will be transformed to: + // + // function(exports) { + // var file_1; // local alias + // var y; + // function foo() { return y + file_1.x(); } + // exports("foo", foo); + // return { + // setters: [ + // function(v) { file_1 = v } + // ], + // execute(): function() { + // y = 1; + // console.log(y); + // } + // }; + // } + // We start a new lexical environment in this function body, but *not* in the + // body of the execute function. This allows us to emit temporary declarations + // only in the outer module body and not in the inner one. + startLexicalEnvironment(); + // Add any prologue directives. + var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitSourceElement); + // var __moduleName = context_1 && context_1.id; + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("__moduleName", + /*type*/ undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) + ]))); + // Visit the statements of the source file, emitting any transformations into + // the `executeStatements` array. We do this *before* we fill the `setters` array + // as we both emit transformations as well as aggregate some data used when creating + // setters. This allows us to reduce the number of times we need to loop through the + // statements of the source file. + var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); + // We emit the lexical environment (hoisted variables and function declarations) + // early to align roughly with our previous emit output. + // Two key differences in this approach are: + // - Temporary variables will appear at the top rather than at the bottom of the file + // - Calls to the exporter for exported function declarations are grouped after + // the declarations. + ts.addRange(statements, endLexicalEnvironment()); + // Emit early exports for function declarations. + ts.addRange(statements, exportedFunctionDeclarations); + var exportStarFunction = addExportStarIfNeeded(statements); + statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ + ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), + ts.createPropertyAssignment("execute", ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, + /*parameters*/ [], + /*type*/ undefined, ts.createBlock(executeStatements, + /*location*/ undefined, + /*multiLine*/ true))) + ]), + /*multiLine*/ true))); } - function transformJsxAttributeInitializer(node) { - if (node === undefined) { - return ts.createLiteral(true); - } - else if (node.kind === 9 /* StringLiteral */) { - var decoded = tryDecodeEntities(node.text); - return decoded ? ts.createLiteral(decoded, /*location*/ node) : node; - } - else if (node.kind === 248 /* JsxExpression */) { - return visitJsxExpression(node); - } - else { - ts.Debug.failBadSyntaxKind(node); + function addExportStarIfNeeded(statements) { + if (!hasExportStarsToExportValues) { + return; } - } - function visitJsxText(node) { - var text = ts.getTextOfNode(node, /*includeTrivia*/ true); - var parts; - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - // JSX trims whitespace at the end and beginning of lines, except that the - // start/end of a tag is considered a start/end of a line only if that line is - // on the same line as the closing tag. See examples in - // tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - if (!parts) { - parts = []; - } - // We do not escape the string here as that is handled by the printer - // when it emits the literal. We do, however, need to decode JSX entities. - parts.push(ts.createLiteral(decodeEntities(part))); + // when resolving exports local exported entries/indirect exported entries in the module + // should always win over entries with similar names that were added via star exports + // to support this we store names of local/indirect exported entries in a set. + // this set is used to filter names brought by star expors. + // local names set should only be added if we have anything exported + if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { + // no exported declarations (export var ...) or export specifiers (export {x}) + // check if we have any non star export declarations. + var hasExportDeclarationWithExportClause = false; + for (var _i = 0, externalImports_1 = externalImports; _i < externalImports_1.length; _i++) { + var externalImport = externalImports_1[_i]; + if (externalImport.kind === 237 /* ExportDeclaration */ && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; } - firstNonWhitespace = -1; } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } + if (!hasExportDeclarationWithExportClause) { + // we still need to emit exportStar helper + return addExportStarFunction(statements, /*localNames*/ undefined); } } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - if (!parts) { - parts = []; + var exportedNames = []; + if (exportedLocalNames) { + for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { + var exportedLocalName = exportedLocalNames_1[_a]; + // write name of exported declaration, i.e 'export var x...' + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); } - // We do not escape the string here as that is handled by the printer - // when it emits the literal. We do, however, need to decode JSX entities. - parts.push(ts.createLiteral(decodeEntities(part))); } - if (parts) { - return ts.reduceLeft(parts, aggregateJsxTextParts); + for (var _b = 0, externalImports_2 = externalImports; _b < externalImports_2.length; _b++) { + var externalImport = externalImports_2[_b]; + if (externalImport.kind !== 237 /* ExportDeclaration */) { + continue; + } + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + // export * from ... + continue; + } + for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { + var element = _d[_c]; + // write name of indirectly exported entry, i.e. 'export {x} from ...' + exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); + } } - return undefined; + var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exportedNamesStorageRef, + /*type*/ undefined, ts.createObjectLiteral(exportedNames, /*location*/ undefined, /*multiline*/ true)) + ]))); + return addExportStarFunction(statements, exportedNamesStorageRef); } /** - * Aggregates two expressions by interpolating them with a whitespace literal. + * Emits a setter callback for each dependency group. + * @param write The callback used to write each callback. */ - function aggregateJsxTextParts(left, right) { - return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); - } - /** - * Replace entities like " ", "{", and "�" with the characters they encode. - * See https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references - */ - function decodeEntities(text) { - return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { - if (decimal) { - return String.fromCharCode(parseInt(decimal, 10)); - } - else if (hex) { - return String.fromCharCode(parseInt(hex, 16)); - } - else { - var ch = entities[word]; - // If this is not a valid entity, then just use `match` (replace it with itself, i.e. don't replace) - return ch ? String.fromCharCode(ch) : match; - } - }); - } - /** Like `decodeEntities` but returns `undefined` if there were no entities to decode. */ - function tryDecodeEntities(text) { - var decoded = decodeEntities(text); - return decoded === text ? undefined : decoded; - } - function getTagName(node) { - if (node.kind === 242 /* JsxElement */) { - return getTagName(node.openingElement); - } - else { - var name_31 = node.tagName; - if (ts.isIdentifier(name_31) && ts.isIntrinsicJsxName(name_31.text)) { - return ts.createLiteral(name_31.text); - } - else { - return ts.createExpressionFromEntityName(name_31); - } - } - } - /** - * Emit an attribute name, which is quoted if it needs to be quoted. Because - * these emit into an object literal property name, we don't need to be worried - * about keywords, just non-identifier characters - */ - function getAttributeName(node) { - var name = node.name; - if (/^[A-Za-z_]\w*$/.test(name.text)) { - return name; - } - else { - return ts.createLiteral(name.text); - } - } - function visitJsxExpression(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); - } - } - ts.transformJsx = transformJsx; - function createEntitiesMap() { - return ts.createMap({ - "quot": 0x0022, - "amp": 0x0026, - "apos": 0x0027, - "lt": 0x003C, - "gt": 0x003E, - "nbsp": 0x00A0, - "iexcl": 0x00A1, - "cent": 0x00A2, - "pound": 0x00A3, - "curren": 0x00A4, - "yen": 0x00A5, - "brvbar": 0x00A6, - "sect": 0x00A7, - "uml": 0x00A8, - "copy": 0x00A9, - "ordf": 0x00AA, - "laquo": 0x00AB, - "not": 0x00AC, - "shy": 0x00AD, - "reg": 0x00AE, - "macr": 0x00AF, - "deg": 0x00B0, - "plusmn": 0x00B1, - "sup2": 0x00B2, - "sup3": 0x00B3, - "acute": 0x00B4, - "micro": 0x00B5, - "para": 0x00B6, - "middot": 0x00B7, - "cedil": 0x00B8, - "sup1": 0x00B9, - "ordm": 0x00BA, - "raquo": 0x00BB, - "frac14": 0x00BC, - "frac12": 0x00BD, - "frac34": 0x00BE, - "iquest": 0x00BF, - "Agrave": 0x00C0, - "Aacute": 0x00C1, - "Acirc": 0x00C2, - "Atilde": 0x00C3, - "Auml": 0x00C4, - "Aring": 0x00C5, - "AElig": 0x00C6, - "Ccedil": 0x00C7, - "Egrave": 0x00C8, - "Eacute": 0x00C9, - "Ecirc": 0x00CA, - "Euml": 0x00CB, - "Igrave": 0x00CC, - "Iacute": 0x00CD, - "Icirc": 0x00CE, - "Iuml": 0x00CF, - "ETH": 0x00D0, - "Ntilde": 0x00D1, - "Ograve": 0x00D2, - "Oacute": 0x00D3, - "Ocirc": 0x00D4, - "Otilde": 0x00D5, - "Ouml": 0x00D6, - "times": 0x00D7, - "Oslash": 0x00D8, - "Ugrave": 0x00D9, - "Uacute": 0x00DA, - "Ucirc": 0x00DB, - "Uuml": 0x00DC, - "Yacute": 0x00DD, - "THORN": 0x00DE, - "szlig": 0x00DF, - "agrave": 0x00E0, - "aacute": 0x00E1, - "acirc": 0x00E2, - "atilde": 0x00E3, - "auml": 0x00E4, - "aring": 0x00E5, - "aelig": 0x00E6, - "ccedil": 0x00E7, - "egrave": 0x00E8, - "eacute": 0x00E9, - "ecirc": 0x00EA, - "euml": 0x00EB, - "igrave": 0x00EC, - "iacute": 0x00ED, - "icirc": 0x00EE, - "iuml": 0x00EF, - "eth": 0x00F0, - "ntilde": 0x00F1, - "ograve": 0x00F2, - "oacute": 0x00F3, - "ocirc": 0x00F4, - "otilde": 0x00F5, - "ouml": 0x00F6, - "divide": 0x00F7, - "oslash": 0x00F8, - "ugrave": 0x00F9, - "uacute": 0x00FA, - "ucirc": 0x00FB, - "uuml": 0x00FC, - "yacute": 0x00FD, - "thorn": 0x00FE, - "yuml": 0x00FF, - "OElig": 0x0152, - "oelig": 0x0153, - "Scaron": 0x0160, - "scaron": 0x0161, - "Yuml": 0x0178, - "fnof": 0x0192, - "circ": 0x02C6, - "tilde": 0x02DC, - "Alpha": 0x0391, - "Beta": 0x0392, - "Gamma": 0x0393, - "Delta": 0x0394, - "Epsilon": 0x0395, - "Zeta": 0x0396, - "Eta": 0x0397, - "Theta": 0x0398, - "Iota": 0x0399, - "Kappa": 0x039A, - "Lambda": 0x039B, - "Mu": 0x039C, - "Nu": 0x039D, - "Xi": 0x039E, - "Omicron": 0x039F, - "Pi": 0x03A0, - "Rho": 0x03A1, - "Sigma": 0x03A3, - "Tau": 0x03A4, - "Upsilon": 0x03A5, - "Phi": 0x03A6, - "Chi": 0x03A7, - "Psi": 0x03A8, - "Omega": 0x03A9, - "alpha": 0x03B1, - "beta": 0x03B2, - "gamma": 0x03B3, - "delta": 0x03B4, - "epsilon": 0x03B5, - "zeta": 0x03B6, - "eta": 0x03B7, - "theta": 0x03B8, - "iota": 0x03B9, - "kappa": 0x03BA, - "lambda": 0x03BB, - "mu": 0x03BC, - "nu": 0x03BD, - "xi": 0x03BE, - "omicron": 0x03BF, - "pi": 0x03C0, - "rho": 0x03C1, - "sigmaf": 0x03C2, - "sigma": 0x03C3, - "tau": 0x03C4, - "upsilon": 0x03C5, - "phi": 0x03C6, - "chi": 0x03C7, - "psi": 0x03C8, - "omega": 0x03C9, - "thetasym": 0x03D1, - "upsih": 0x03D2, - "piv": 0x03D6, - "ensp": 0x2002, - "emsp": 0x2003, - "thinsp": 0x2009, - "zwnj": 0x200C, - "zwj": 0x200D, - "lrm": 0x200E, - "rlm": 0x200F, - "ndash": 0x2013, - "mdash": 0x2014, - "lsquo": 0x2018, - "rsquo": 0x2019, - "sbquo": 0x201A, - "ldquo": 0x201C, - "rdquo": 0x201D, - "bdquo": 0x201E, - "dagger": 0x2020, - "Dagger": 0x2021, - "bull": 0x2022, - "hellip": 0x2026, - "permil": 0x2030, - "prime": 0x2032, - "Prime": 0x2033, - "lsaquo": 0x2039, - "rsaquo": 0x203A, - "oline": 0x203E, - "frasl": 0x2044, - "euro": 0x20AC, - "image": 0x2111, - "weierp": 0x2118, - "real": 0x211C, - "trade": 0x2122, - "alefsym": 0x2135, - "larr": 0x2190, - "uarr": 0x2191, - "rarr": 0x2192, - "darr": 0x2193, - "harr": 0x2194, - "crarr": 0x21B5, - "lArr": 0x21D0, - "uArr": 0x21D1, - "rArr": 0x21D2, - "dArr": 0x21D3, - "hArr": 0x21D4, - "forall": 0x2200, - "part": 0x2202, - "exist": 0x2203, - "empty": 0x2205, - "nabla": 0x2207, - "isin": 0x2208, - "notin": 0x2209, - "ni": 0x220B, - "prod": 0x220F, - "sum": 0x2211, - "minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }); - } -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformES2017(context) { - var ES2017SubstitutionFlags; - (function (ES2017SubstitutionFlags) { - /** Enables substitutions for async methods with `super` calls. */ - ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; - })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; - var resolver = context.getEmitResolver(); - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - // These variables contain state that changes as we descend into the tree. - var currentSourceFileExternalHelpersModuleName; - /** - * Keeps track of whether expression substitution has been enabled for specific edge cases. - * They are persisted between each SourceFile transformation and should not be reset. - */ - var enabledSubstitutions; - /** - * Keeps track of whether we are within any containing namespaces when performing - * just-in-time substitution while printing an expression identifier. - */ - var applicableSubstitutions; - /** - * This keeps track of containers where `super` is valid, for use with - * just-in-time substitution for `super` expressions inside of async methods. - */ - var currentSuperContainer; - // Save the previous transformation hooks. - var previousOnEmitNode = context.onEmitNode; - var previousOnSubstituteNode = context.onSubstituteNode; - // Set new transformation hooks. - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - var currentScope; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; - return ts.visitEachChild(node, visitor, context); - } - function visitor(node) { - if (node.transformFlags & 16 /* ES2017 */) { - return visitorWorker(node); - } - else if (node.transformFlags & 32 /* ContainsES2017 */) { - return ts.visitEachChild(node, visitor, context); - } - return node; - } - function visitorWorker(node) { - switch (node.kind) { - case 119 /* AsyncKeyword */: - // ES2017 async modifier should be elided for targets < ES2017 - return undefined; - case 185 /* AwaitExpression */: - // ES2017 'await' expressions must be transformed for targets < ES2017. - return visitAwaitExpression(node); - case 148 /* MethodDeclaration */: - // ES2017 method declarations may be 'async' - return visitMethodDeclaration(node); - case 221 /* FunctionDeclaration */: - // ES2017 function declarations may be 'async' - return visitFunctionDeclaration(node); - case 180 /* FunctionExpression */: - // ES2017 function expressions may be 'async' - return visitFunctionExpression(node); - case 181 /* ArrowFunction */: - // ES2017 arrow functions may be 'async' - return visitArrowFunction(node); - default: - ts.Debug.failBadSyntaxKind(node); - return node; - } - } - /** - * Visits an await expression. - * - * This function will be called any time a ES2017 await expression is encountered. - * - * @param node The await expression node. - */ - function visitAwaitExpression(node) { - return ts.setOriginalNode(ts.createYield( - /*asteriskToken*/ undefined, ts.visitNode(node.expression, visitor, ts.isExpression), - /*location*/ node), node); - } - /** - * Visits a method declaration of a class. - * - * This function will be called when one of the following conditions are met: - * - The node is marked as async - * - * @param node The method node. - */ - function visitMethodDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var method = ts.createMethod( - /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node); - // While we emit the source map for the node after skipping decorators and modifiers, - // we need to emit the comments for the original range. - ts.setCommentRange(method, node); - ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); - ts.setOriginalNode(method, node); - return method; - } - /** - * Visits a function declaration. - * - * This function will be called when one of the following conditions are met: - * - The node is marked async - * - * @param node The function node. - */ - function visitFunctionDeclaration(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var func = ts.createFunctionDeclaration( - /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node); - ts.setOriginalNode(func, node); - return func; - } - /** - * Visits a function expression node. - * - * This function will be called when one of the following conditions are met: - * - The node is marked async - * - * @param node The function expression node. - */ - function visitFunctionExpression(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - if (ts.nodeIsMissing(node.body)) { - return ts.createOmittedExpression(); - } - var func = ts.createFunctionExpression( - /*modifiers*/ undefined, node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node); - ts.setOriginalNode(func, node); - return func; - } - /** - * @remarks - * This function will be called when one of the following conditions are met: - * - The node is marked async - */ - function visitArrowFunction(node) { - if (!ts.isAsyncFunctionLike(node)) { - return node; - } - var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, node.equalsGreaterThanToken, transformConciseBody(node), - /*location*/ node); - ts.setOriginalNode(func, node); - return func; - } - function transformFunctionBody(node) { - return transformAsyncFunctionBody(node); - } - function transformConciseBody(node) { - return transformAsyncFunctionBody(node); - } - function transformFunctionBodyWorker(body, start) { - if (start === void 0) { start = 0; } - var savedCurrentScope = currentScope; - currentScope = body; - startLexicalEnvironment(); - var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); - var visited = ts.updateBlock(body, statements); - var declarations = endLexicalEnvironment(); - currentScope = savedCurrentScope; - return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - } - function transformAsyncFunctionBody(node) { - var nodeType = node.original ? node.original.type : node.type; - var promiseConstructor = languageVersion < 2 /* ES2015 */ ? getPromiseConstructor(nodeType) : undefined; - var isArrowFunction = node.kind === 181 /* ArrowFunction */; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; - // An async function is emit as an outer function that calls an inner - // generator function. To preserve lexical bindings, we pass the current - // `this` and `arguments` objects to `__awaiter`. The generator function - // passed to `__awaiter` is executed inside of the callback to the - // promise constructor. - if (!isArrowFunction) { + function generateSetters(exportStarFunction, dependencyGroups) { + var setters = []; + for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { + var group = dependencyGroups_1[_i]; + // derive a unique name for parameter from the first named entry in the group + var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); + var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, /*ensureUseStrict*/ false, visitor); - statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); - var block = ts.createBlock(statements, /*location*/ node.body, /*multiLine*/ true); - // Minor optimization, emit `_super` helper to capture `super` access in an arrow. - // This step isn't needed if we eventually transform this to ES5. - if (languageVersion >= 2 /* ES2015 */) { - if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 8 /* EmitAdvancedSuperHelper */); - } - else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { - enableSubstitutionForAsyncMethodsWithSuper(); - ts.setEmitFlags(block, 4 /* EmitSuperHelper */); - } - } - return block; - } - else { - return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, /*forceBlockFunctionBody*/ true)); - } - } - function transformConciseBodyWorker(body, forceBlockFunctionBody) { - if (ts.isBlock(body)) { - return transformFunctionBodyWorker(body); - } - else { - startLexicalEnvironment(); - var visited = ts.visitNode(body, visitor, ts.isConciseBody); - var declarations = endLexicalEnvironment(); - var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); - if (forceBlockFunctionBody && !ts.isBlock(merged)) { - return ts.createBlock([ - ts.createReturn(merged) - ]); - } - else { - return merged; - } - } - } - function getPromiseConstructor(type) { - var typeName = ts.getEntityNameFromTypeNode(type); - if (typeName && ts.isEntityName(typeName)) { - var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); - if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue - || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { - return typeName; - } - } - return undefined; - } - function enableSubstitutionForAsyncMethodsWithSuper() { - if ((enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) === 0) { - enabledSubstitutions |= 1 /* AsyncMethodsWithSuper */; - // We need to enable substitutions for call, property access, and element access - // if we need to rewrite super calls. - context.enableSubstitution(175 /* CallExpression */); - context.enableSubstitution(173 /* PropertyAccessExpression */); - context.enableSubstitution(174 /* ElementAccessExpression */); - // We need to be notified when entering and exiting declarations that bind super. - context.enableEmitNotification(222 /* ClassDeclaration */); - context.enableEmitNotification(148 /* MethodDeclaration */); - context.enableEmitNotification(150 /* GetAccessor */); - context.enableEmitNotification(151 /* SetAccessor */); - context.enableEmitNotification(149 /* Constructor */); - } - } - function substituteExpression(node) { - switch (node.kind) { - case 173 /* PropertyAccessExpression */: - return substitutePropertyAccessExpression(node); - case 174 /* ElementAccessExpression */: - return substituteElementAccessExpression(node); - case 175 /* CallExpression */: - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) { - return substituteCallExpression(node); - } - break; - } - return node; - } - function substitutePropertyAccessExpression(node) { - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); - } - } - return node; - } - function substituteElementAccessExpression(node) { - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); - } - } - return node; - } - function substituteCallExpression(node) { - var expression = node.expression; - if (ts.isSuperProperty(expression)) { - var flags = getSuperContainerAsyncMethodFlags(); - if (flags) { - var argumentExpression = ts.isPropertyAccessExpression(expression) - ? substitutePropertyAccessExpression(expression) - : substituteElementAccessExpression(expression); - return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), - /*typeArguments*/ undefined, [ - ts.createThis() - ].concat(node.arguments)); - } - } - return node; - } - function isSuperContainer(node) { - var kind = node.kind; - return kind === 222 /* ClassDeclaration */ - || kind === 149 /* Constructor */ - || kind === 148 /* MethodDeclaration */ - || kind === 150 /* GetAccessor */ - || kind === 151 /* SetAccessor */; - } - /** - * Hook for node emit. - * - * @param node The node to emit. - * @param emit A callback used to emit the node in the printer. - */ - function onEmitNode(emitContext, node, emitCallback) { - var savedApplicableSubstitutions = applicableSubstitutions; - var savedCurrentSuperContainer = currentSuperContainer; - // If we need to support substitutions for `super` in an async method, - // we should track it here. - if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && isSuperContainer(node)) { - currentSuperContainer = node; - } - previousOnEmitNode(emitContext, node, emitCallback); - applicableSubstitutions = savedApplicableSubstitutions; - currentSuperContainer = savedCurrentSuperContainer; - } - /** - * Hooks node substitutions. - * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. - */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); - } - return node; - } - function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { - if (flags & 4096 /* AsyncMethodWithSuperBinding */) { - return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), - /*typeArguments*/ undefined, [argumentExpression]), "value", location); - } - else { - return ts.createCall(ts.createIdentifier("_super"), - /*typeArguments*/ undefined, [argumentExpression], location); - } - } - function getSuperContainerAsyncMethodFlags() { - return currentSuperContainer !== undefined - && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */); - } - } - ts.transformES2017 = transformES2017; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformES2016(context) { - var hoistVariableDeclaration = context.hoistVariableDeclaration; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - return ts.visitEachChild(node, visitor, context); - } - function visitor(node) { - if (node.transformFlags & 64 /* ES2016 */) { - return visitorWorker(node); - } - else if (node.transformFlags & 128 /* ContainsES2016 */) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } - } - function visitorWorker(node) { - switch (node.kind) { - case 188 /* BinaryExpression */: - return visitBinaryExpression(node); - default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function visitBinaryExpression(node) { - // We are here because ES2016 adds support for the exponentiation operator. - var left = ts.visitNode(node.left, visitor, ts.isExpression); - var right = ts.visitNode(node.right, visitor, ts.isExpression); - if (node.operatorToken.kind === 61 /* AsteriskAsteriskEqualsToken */) { - var target = void 0; - var value = void 0; - if (ts.isElementAccessExpression(left)) { - // Transforms `a[x] **= b` into `(_a = a)[_x = x] = Math.pow(_a[_x], b)` - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, /*location*/ left.argumentExpression), - /*location*/ left); - value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, - /*location*/ left); - } - else if (ts.isPropertyAccessExpression(left)) { - // Transforms `a.x **= b` into `(_a = a).x = Math.pow(_a.x, b)` - var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); - target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), left.name, - /*location*/ left); - value = ts.createPropertyAccess(expressionTemp, left.name, - /*location*/ left); - } - else { - // Transforms `a **= b` into `a = Math.pow(a, b)` - target = left; - value = left; - } - return ts.createAssignment(target, ts.createMathPow(value, right, /*location*/ node), /*location*/ node); - } - else if (node.operatorToken.kind === 39 /* AsteriskAsteriskToken */) { - // Transforms `a ** b` into `Math.pow(a, b)` - return ts.createMathPow(left, right, /*location*/ node); - } - else { - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - } - ts.transformES2016 = transformES2016; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - var ES2015SubstitutionFlags; - (function (ES2015SubstitutionFlags) { - /** Enables substitutions for captured `this` */ - ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; - /** Enables substitutions for block-scoped bindings. */ - ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; - })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); - var CopyDirection; - (function (CopyDirection) { - CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; - CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; - })(CopyDirection || (CopyDirection = {})); - var Jump; - (function (Jump) { - Jump[Jump["Break"] = 2] = "Break"; - Jump[Jump["Continue"] = 4] = "Continue"; - Jump[Jump["Return"] = 8] = "Return"; - })(Jump || (Jump = {})); - var SuperCaptureResult; - (function (SuperCaptureResult) { - /** - * A capture may have been added for calls to 'super', but - * the caller should emit subsequent statements normally. - */ - SuperCaptureResult[SuperCaptureResult["NoReplacement"] = 0] = "NoReplacement"; - /** - * A call to 'super()' got replaced with a capturing statement like: - * - * var _this = _super.call(...) || this; - * - * Callers should skip the current statement. - */ - SuperCaptureResult[SuperCaptureResult["ReplaceSuperCapture"] = 1] = "ReplaceSuperCapture"; - /** - * A call to 'super()' got replaced with a capturing statement like: - * - * return _super.call(...) || this; - * - * Callers should skip the current statement and avoid any returns of '_this'. - */ - SuperCaptureResult[SuperCaptureResult["ReplaceWithReturn"] = 2] = "ReplaceWithReturn"; - })(SuperCaptureResult || (SuperCaptureResult = {})); - function transformES2015(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var resolver = context.getEmitResolver(); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onEmitNode = onEmitNode; - context.onSubstituteNode = onSubstituteNode; - var currentSourceFile; - var currentText; - var currentParent; - var currentNode; - var enclosingVariableStatement; - var enclosingBlockScopeContainer; - var enclosingBlockScopeContainerParent; - var enclosingFunction; - var enclosingNonArrowFunction; - var enclosingNonAsyncFunctionBody; - /** - * Used to track if we are emitting body of the converted loop - */ - var convertedLoopState; - /** - * Keeps track of whether substitutions have been enabled for specific cases. - * They are persisted between each SourceFile transformation and should not - * be reset. - */ - var enabledSubstitutions; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { + var entry = _b[_a]; + var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); + switch (entry.kind) { + case 231 /* ImportDeclaration */: + if (!entry.importClause) { + // 'import "..."' case + // module is imported only for side-effects, no emit required + break; + } + // fall-through + case 230 /* ImportEqualsDeclaration */: + ts.Debug.assert(importVariableName !== undefined); + // save import into the local + statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); + break; + case 237 /* ExportDeclaration */: + ts.Debug.assert(importVariableName !== undefined); + if (entry.exportClause) { + // export {a, b as c} from 'foo' + // + // emit as: + // + // exports_({ + // "a": _["a"], + // "c": _["b"] + // }); + var properties = []; + for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { + var e = _d[_c]; + properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); + } + statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, + /*typeArguments*/ undefined, [ts.createObjectLiteral(properties, /*location*/ undefined, /*multiline*/ true)]))); + } + else { + // export * from 'foo' + // + // emit as: + // + // exportStar(foo_1_1); + statements.push(ts.createStatement(ts.createCall(exportStarFunction, + /*typeArguments*/ undefined, [parameterName]))); + } + break; + } + } + setters.push(ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ts.createParameter(parameterName)], + /*type*/ undefined, ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true))); } - currentSourceFile = node; - currentText = node.text; - return ts.visitNode(node, visitor, ts.isSourceFile); - } - function visitor(node) { - return saveStateAndInvoke(node, dispatcher); + return ts.createArrayLiteral(setters, /*location*/ undefined, /*multiLine*/ true); } - function dispatcher(node) { - return convertedLoopState - ? visitorForConvertedLoopWorker(node) - : visitorWorker(node); + function visitSourceElement(node) { + switch (node.kind) { + case 231 /* ImportDeclaration */: + return visitImportDeclaration(node); + case 230 /* ImportEqualsDeclaration */: + return visitImportEqualsDeclaration(node); + case 237 /* ExportDeclaration */: + return visitExportDeclaration(node); + case 236 /* ExportAssignment */: + return visitExportAssignment(node); + default: + return visitNestedNode(node); + } } - function saveStateAndInvoke(node, f) { - var savedEnclosingFunction = enclosingFunction; - var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; - var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; - var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; - var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; - var savedEnclosingVariableStatement = enclosingVariableStatement; + function visitNestedNode(node) { + var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; var savedCurrentParent = currentParent; var savedCurrentNode = currentNode; - var savedConvertedLoopState = convertedLoopState; - if (ts.nodeStartsNewLexicalEnvironment(node)) { - // don't treat content of nodes that start new lexical environment as part of converted loop copy - convertedLoopState = undefined; + var currentGrandparent = currentParent; + currentParent = currentNode; + currentNode = node; + if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { + enclosingBlockScopedContainer = currentParent; } - onBeforeVisitNode(node); - var visited = f(node); - convertedLoopState = savedConvertedLoopState; - enclosingFunction = savedEnclosingFunction; - enclosingNonArrowFunction = savedEnclosingNonArrowFunction; - enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; - enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; - enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; - enclosingVariableStatement = savedEnclosingVariableStatement; + var result = visitNestedNodeWorker(node); + enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; currentParent = savedCurrentParent; currentNode = savedCurrentNode; - return visited; - } - function shouldCheckNode(node) { - return (node.transformFlags & 256 /* ES2015 */) !== 0 || - node.kind === 215 /* LabeledStatement */ || - (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node)); - } - function visitorWorker(node) { - if (shouldCheckNode(node)) { - return visitJavaScript(node); - } - else if (node.transformFlags & 512 /* ContainsES2015 */) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } - } - function visitorForConvertedLoopWorker(node) { - var result; - if (shouldCheckNode(node)) { - result = visitJavaScript(node); - } - else { - result = visitNodesInConvertedLoop(node); - } return result; } - function visitNodesInConvertedLoop(node) { + function visitNestedNodeWorker(node) { switch (node.kind) { - case 212 /* ReturnStatement */: - return visitReturnStatement(node); case 201 /* VariableStatement */: return visitVariableStatement(node); - case 214 /* SwitchStatement */: - return visitSwitchStatement(node); - case 211 /* BreakStatement */: - case 210 /* ContinueStatement */: - return visitBreakOrContinueStatement(node); - case 98 /* ThisKeyword */: - return visitThisKeyword(node); - case 70 /* Identifier */: - return visitIdentifier(node); - default: - return ts.visitEachChild(node, visitor, context); - } - } - function visitJavaScript(node) { - switch (node.kind) { - case 83 /* ExportKeyword */: - return node; - case 222 /* ClassDeclaration */: - return visitClassDeclaration(node); - case 193 /* ClassExpression */: - return visitClassExpression(node); - case 143 /* Parameter */: - return visitParameter(node); case 221 /* FunctionDeclaration */: return visitFunctionDeclaration(node); - case 181 /* ArrowFunction */: - return visitArrowFunction(node); - case 180 /* FunctionExpression */: - return visitFunctionExpression(node); - case 219 /* VariableDeclaration */: - return visitVariableDeclaration(node); - case 70 /* Identifier */: - return visitIdentifier(node); - case 220 /* VariableDeclarationList */: - return visitVariableDeclarationList(node); - case 215 /* LabeledStatement */: - return visitLabeledStatement(node); - case 205 /* DoStatement */: - return visitDoStatement(node); - case 206 /* WhileStatement */: - return visitWhileStatement(node); + case 222 /* ClassDeclaration */: + return visitClassDeclaration(node); case 207 /* ForStatement */: return visitForStatement(node); case 208 /* ForInStatement */: return visitForInStatement(node); case 209 /* ForOfStatement */: return visitForOfStatement(node); + case 205 /* DoStatement */: + return visitDoStatement(node); + case 206 /* WhileStatement */: + return visitWhileStatement(node); + case 215 /* LabeledStatement */: + return visitLabeledStatement(node); + case 213 /* WithStatement */: + return visitWithStatement(node); + case 214 /* SwitchStatement */: + return visitSwitchStatement(node); + case 228 /* CaseBlock */: + return visitCaseBlock(node); + case 249 /* CaseClause */: + return visitCaseClause(node); + case 250 /* DefaultClause */: + return visitDefaultClause(node); + case 217 /* TryStatement */: + return visitTryStatement(node); + case 252 /* CatchClause */: + return visitCatchClause(node); + case 200 /* Block */: + return visitBlock(node); case 203 /* ExpressionStatement */: return visitExpressionStatement(node); - case 172 /* ObjectLiteralExpression */: - return visitObjectLiteralExpression(node); - case 254 /* ShorthandPropertyAssignment */: - return visitShorthandPropertyAssignment(node); - case 171 /* ArrayLiteralExpression */: - return visitArrayLiteralExpression(node); - case 175 /* CallExpression */: - return visitCallExpression(node); - case 176 /* NewExpression */: - return visitNewExpression(node); - case 179 /* ParenthesizedExpression */: - return visitParenthesizedExpression(node, /*needsDestructuringValue*/ true); - case 188 /* BinaryExpression */: - return visitBinaryExpression(node, /*needsDestructuringValue*/ true); - case 12 /* NoSubstitutionTemplateLiteral */: - case 13 /* TemplateHead */: - case 14 /* TemplateMiddle */: - case 15 /* TemplateTail */: - return visitTemplateLiteral(node); - case 177 /* TaggedTemplateExpression */: - return visitTaggedTemplateExpression(node); - case 190 /* TemplateExpression */: - return visitTemplateExpression(node); - case 191 /* YieldExpression */: - return visitYieldExpression(node); - case 96 /* SuperKeyword */: - return visitSuperKeyword(); - case 191 /* YieldExpression */: - // `yield` will be handled by a generators transform. - return ts.visitEachChild(node, visitor, context); - case 148 /* MethodDeclaration */: - return visitMethodDeclaration(node); - case 256 /* SourceFile */: - return visitSourceFileNode(node); - case 201 /* VariableStatement */: - return visitVariableStatement(node); default: - ts.Debug.failBadSyntaxKind(node); - return ts.visitEachChild(node, visitor, context); - } - } - function onBeforeVisitNode(node) { - if (currentNode) { - if (ts.isBlockScope(currentNode, currentParent)) { - enclosingBlockScopeContainer = currentNode; - enclosingBlockScopeContainerParent = currentParent; - } - if (ts.isFunctionLike(currentNode)) { - enclosingFunction = currentNode; - if (currentNode.kind !== 181 /* ArrowFunction */) { - enclosingNonArrowFunction = currentNode; - if (!(ts.getEmitFlags(currentNode) & 2097152 /* AsyncFunctionBody */)) { - enclosingNonAsyncFunctionBody = currentNode; - } - } - } - // keep track of the enclosing variable statement when in the context of - // variable statements, variable declarations, binding elements, and binding - // patterns. - switch (currentNode.kind) { - case 201 /* VariableStatement */: - enclosingVariableStatement = currentNode; - break; - case 220 /* VariableDeclarationList */: - case 219 /* VariableDeclaration */: - case 170 /* BindingElement */: - case 168 /* ObjectBindingPattern */: - case 169 /* ArrayBindingPattern */: - break; - default: - enclosingVariableStatement = undefined; - } - } - currentParent = currentNode; - currentNode = node; - } - function visitSwitchStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - // for switch statement allow only non-labeled break - convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; - var result = ts.visitEachChild(node, visitor, context); - convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; - return result; - } - function visitReturnStatement(node) { - ts.Debug.assert(convertedLoopState !== undefined); - convertedLoopState.nonLocalJumps |= 8 /* Return */; - return ts.createReturn(ts.createObjectLiteral([ - ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression - ? ts.visitNode(node.expression, visitor, ts.isExpression) - : ts.createVoidZero()) - ])); - } - function visitThisKeyword(node) { - ts.Debug.assert(convertedLoopState !== undefined); - if (enclosingFunction && enclosingFunction.kind === 181 /* ArrowFunction */) { - // if the enclosing function is an ArrowFunction is then we use the captured 'this' keyword. - convertedLoopState.containsLexicalThis = true; - return node; - } - return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); - } - function visitIdentifier(node) { - if (!convertedLoopState) { - return node; - } - if (ts.isGeneratedIdentifier(node)) { - return node; - } - if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { - return node; - } - return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); - } - function visitBreakOrContinueStatement(node) { - if (convertedLoopState) { - // check if we can emit break/continue as is - // it is possible if either - // - break/continue is labeled and label is located inside the converted loop - // - break/continue is non-labeled and located in non-converted loop/switch statement - var jump = node.kind === 211 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - var labelMarker = void 0; - if (!node.label) { - if (node.kind === 211 /* BreakStatement */) { - convertedLoopState.nonLocalJumps |= 2 /* Break */; - labelMarker = "break"; - } - else { - convertedLoopState.nonLocalJumps |= 4 /* Continue */; - // note: return value is emitted only to simplify debugging, call to converted loop body does not do any dispatching on it. - labelMarker = "continue"; - } - } - else { - if (node.kind === 211 /* BreakStatement */) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); - } - } - var returnExpression = ts.createLiteral(labelMarker); - if (convertedLoopState.loopOutParameters.length) { - var outParams = convertedLoopState.loopOutParameters; - var expr = void 0; - for (var i = 0; i < outParams.length; i++) { - var copyExpr = copyOutParameter(outParams[i], 1 /* ToOutParameter */); - if (i === 0) { - expr = copyExpr; - } - else { - expr = ts.createBinary(expr, 25 /* CommaToken */, copyExpr); - } - } - returnExpression = ts.createBinary(expr, 25 /* CommaToken */, returnExpression); - } - return ts.createReturn(returnExpression); - } + return node; } - return ts.visitEachChild(node, visitor, context); } - /** - * Visits a ClassDeclaration and transforms it into a variable statement. - * - * @param node A ClassDeclaration node. - */ - function visitClassDeclaration(node) { - // [source] - // class C { } - // - // [output] - // var C = (function () { - // function C() { - // } - // return C; - // }()); - var modifierFlags = ts.getModifierFlags(node); - var isExported = modifierFlags & 1 /* Export */; - var isDefault = modifierFlags & 512 /* Default */; - // Add an `export` modifier to the statement if needed (for `--target es5 --module es6`) - var modifiers = isExported && !isDefault - ? ts.filter(node.modifiers, isExportModifier) - : undefined; - var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(getDeclarationName(node, /*allowComments*/ true), - /*type*/ undefined, transformClassLikeDeclarationToExpression(node)) - ]), - /*location*/ node); - ts.setOriginalNode(statement, node); - ts.startOnNewLine(statement); - // Add an `export default` statement for default exports (for `--target es5 --module es6`) - if (isExported && isDefault) { - var statements = [statement]; - statements.push(ts.createExportAssignment( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*isExportEquals*/ false, getDeclarationName(node, /*allowComments*/ false))); - return statements; + function visitImportDeclaration(node) { + if (node.importClause && ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } - return statement; - } - function isExportModifier(node) { - return node.kind === 83 /* ExportKeyword */; - } - /** - * Visits a ClassExpression and transforms it into an expression. - * - * @param node A ClassExpression node. - */ - function visitClassExpression(node) { - // [source] - // C = class { } - // - // [output] - // C = (function () { - // function class_1() { - // } - // return class_1; - // }()) - return transformClassLikeDeclarationToExpression(node); + return undefined; } - /** - * Transforms a ClassExpression or ClassDeclaration into an expression. - * - * @param node A ClassExpression or ClassDeclaration node. - */ - function transformClassLikeDeclarationToExpression(node) { - // [source] - // class C extends D { - // constructor() {} - // method() {} - // get prop() {} - // set prop(v) {} - // } - // - // [output] - // (function (_super) { - // __extends(C, _super); - // function C() { - // } - // C.prototype.method = function () {} - // Object.defineProperty(C.prototype, "prop", { - // get: function() {}, - // set: function() {}, - // enumerable: true, - // configurable: true - // }); - // return C; - // }(D)) - if (node.name) { - enableSubstitutionsForBlockScopedBindings(); - } - var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); - var classFunction = ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], - /*type*/ undefined, transformClassBody(node, extendsClauseElement)); - // To preserve the behavior of the old emitter, we explicitly indent - // the body of the function here if it was requested in an earlier - // transformation. - if (ts.getEmitFlags(node) & 524288 /* Indented */) { - ts.setEmitFlags(classFunction, 524288 /* Indented */); + function visitImportEqualsDeclaration(node) { + if (ts.contains(externalImports, node)) { + hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); } - // "inner" and "outer" below are added purely to preserve source map locations from - // the old emitter - var inner = ts.createPartiallyEmittedExpression(classFunction); - inner.end = node.end; - ts.setEmitFlags(inner, 49152 /* NoComments */); - var outer = ts.createPartiallyEmittedExpression(inner); - outer.end = ts.skipTrivia(currentText, node.pos); - ts.setEmitFlags(outer, 49152 /* NoComments */); - return ts.createParen(ts.createCall(outer, - /*typeArguments*/ undefined, extendsClauseElement - ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] - : [])); - } - /** - * Transforms a ClassExpression or ClassDeclaration into a function body. - * - * @param node A ClassExpression or ClassDeclaration node. - * @param extendsClauseElement The expression for the class `extends` clause. - */ - function transformClassBody(node, extendsClauseElement) { - var statements = []; - startLexicalEnvironment(); - addExtendsHelperIfNeeded(statements, node, extendsClauseElement); - addConstructor(statements, node, extendsClauseElement); - addClassMembers(statements, node); - // Create a synthetic text range for the return statement. - var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17 /* CloseBraceToken */); - var localName = getLocalName(node); - // The following partially-emitted expression exists purely to align our sourcemap - // emit with the original emitter. - var outer = ts.createPartiallyEmittedExpression(localName); - outer.end = closingBraceLocation.end; - ts.setEmitFlags(outer, 49152 /* NoComments */); - var statement = ts.createReturn(outer); - statement.pos = closingBraceLocation.pos; - ts.setEmitFlags(statement, 49152 /* NoComments */ | 12288 /* NoTokenSourceMaps */); - statements.push(statement); - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, /*location*/ node.members), /*location*/ undefined, /*multiLine*/ true); - ts.setEmitFlags(block, 49152 /* NoComments */); - return block; + // NOTE(rbuckton): Do we support export import = require('') in System? + return undefined; } - /** - * Adds a call to the `__extends` helper if needed for a class. - * - * @param statements The statements of the class body function. - * @param node The ClassExpression or ClassDeclaration node. - * @param extendsClauseElement The expression for the class `extends` clause. - */ - function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { - if (extendsClauseElement) { - statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), - /*location*/ extendsClauseElement)); + function visitExportDeclaration(node) { + if (!node.moduleSpecifier) { + var statements = []; + ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); + return statements; } + return undefined; } - /** - * Adds the constructor of the class to a class body function. - * - * @param statements The statements of the class body function. - * @param node The ClassExpression or ClassDeclaration node. - * @param extendsClauseElement The expression for the class `extends` clause. - */ - function addConstructor(statements, node, extendsClauseElement) { - var constructor = ts.getFirstConstructorWithBody(node); - var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); - var constructorFunction = ts.createFunctionDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, getDeclarationName(node), - /*typeParameters*/ undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), - /*type*/ undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), - /*location*/ constructor || node); - if (extendsClauseElement) { - ts.setEmitFlags(constructorFunction, 256 /* CapturesThis */); + function visitExportSpecifier(specifier) { + recordExportName(specifier.name); + return createExportStatement(specifier.name, specifier.propertyName || specifier.name); + } + function visitExportAssignment(node) { + if (node.isExportEquals) { + // Elide `export=` as it is illegal in a SystemJS module. + return undefined; } - statements.push(constructorFunction); + return createExportStatement(ts.createLiteral("default"), node.expression); } /** - * Transforms the parameters of the constructor declaration of a class. + * Visits a variable statement, hoisting declared names to the top-level module body. + * Each declaration is rewritten into an assignment expression. * - * @param constructor The constructor for the class. - * @param hasSynthesizedSuper A value indicating whether the constructor starts with a - * synthesized `super` call. + * @param node The variable statement to visit. */ - function transformConstructorParameters(constructor, hasSynthesizedSuper) { - // If the TypeScript transformer needed to synthesize a constructor for property - // initializers, it would have also added a synthetic `...args` parameter and - // `super` call. - // If this is the case, we do not include the synthetic `...args` parameter and - // will instead use the `arguments` object in ES5/3. - if (constructor && !hasSynthesizedSuper) { - return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); + function visitVariableStatement(node) { + // hoist only non-block scoped declarations or block scoped declarations parented by source file + var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3 /* BlockScoped */) == 0) || + enclosingBlockScopedContainer.kind === 256 /* SourceFile */; + if (!shouldHoist) { + return node; } - return []; + var isExported = ts.hasModifier(node, 1 /* Export */); + var expressions = []; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, isExported); + if (visited) { + expressions.push(visited); + } + } + if (expressions.length) { + return ts.createStatement(ts.inlineExpressions(expressions), node); + } + return undefined; } /** - * Transforms the body of a constructor declaration of a class. + * Transforms a VariableDeclaration into one or more assignment expressions. * - * @param constructor The constructor for the class. - * @param node The node which contains the constructor. - * @param extendsClauseElement The expression for the class `extends` clause. - * @param hasSynthesizedSuper A value indicating whether the constructor starts with a - * synthesized `super` call. + * @param node The VariableDeclaration to transform. + * @param isExported A value used to indicate whether the containing statement was exported. */ - function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { - var statements = []; - startLexicalEnvironment(); - var statementOffset = -1; - if (hasSynthesizedSuper) { - // If a super call has already been synthesized, - // we're going to assume that we should just transform everything after that. - // The assumption is that no prior step in the pipeline has added any prologue directives. - statementOffset = 1; - } - else if (constructor) { - // Otherwise, try to emit all potential prologue directives first. - statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, /*ensureUseStrict*/ false, visitor); - } - if (constructor) { - addDefaultValueAssignmentsIfNeeded(statements, constructor); - addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); - ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); - } - var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); - // The last statement expression was replaced. Skip it. - if (superCaptureStatus === 1 /* ReplaceSuperCapture */ || superCaptureStatus === 2 /* ReplaceWithReturn */) { - statementOffset++; - } - if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); }); - ts.addRange(statements, body); + function transformVariable(node, isExported) { + // Hoist any bound names within the declaration. + hoistBindingElement(node, isExported); + if (!node.initializer) { + // If the variable has no initializer, ignore it. + return; } - // Return `_this` unless we're sure enough that it would be pointless to add a return statement. - // If there's a constructor that we can tell returns in enough places, then we *do not* want to add a return. - if (extendsClauseElement - && superCaptureStatus !== 2 /* ReplaceWithReturn */ - && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { - statements.push(ts.createReturn(ts.createIdentifier("_this"))); + var name = node.name; + if (ts.isIdentifier(name)) { + // If the variable has an IdentifierName, write out an assignment expression in its place. + return ts.createAssignment(name, node.initializer); } - ts.addRange(statements, endLexicalEnvironment()); - var block = ts.createBlock(ts.createNodeArray(statements, - /*location*/ constructor ? constructor.body.statements : node.members), - /*location*/ constructor ? constructor.body : node, - /*multiLine*/ true); - if (!constructor) { - ts.setEmitFlags(block, 49152 /* NoComments */); + else { + // If the variable has a BindingPattern, flatten the variable into multiple assignment expressions. + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); } - return block; } /** - * We want to try to avoid emitting a return statement in certain cases if a user already returned something. - * It would generate obviously dead code, so we'll try to make things a little bit prettier - * by doing a minimal check on whether some common patterns always explicitly return. + * Visits a FunctionDeclaration, hoisting it to the outer module body function. + * + * @param node The function declaration to visit. */ - function isSufficientlyCoveredByReturnStatements(statement) { - // A return statement is considered covered. - if (statement.kind === 212 /* ReturnStatement */) { - return true; - } - else if (statement.kind === 204 /* IfStatement */) { - var ifStatement = statement; - if (ifStatement.elseStatement) { - return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && - isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); + function visitFunctionDeclaration(node) { + if (ts.hasModifier(node, 1 /* Export */)) { + // If the function is exported, ensure it has a name and rewrite the function without any export flags. + var name_31 = node.name || ts.getGeneratedNameForNode(node); + // Keep async modifier for ES2017 transformer + var isAsync = ts.hasModifier(node, 256 /* Async */); + var newNode = ts.createFunctionDeclaration( + /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name_31, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, node.body, + /*location*/ node); + // Record a declaration export in the outer module body function. + recordExportedFunctionDeclaration(node); + if (!ts.hasModifier(node, 512 /* Default */)) { + recordExportName(name_31); } + ts.setOriginalNode(newNode, node); + node = newNode; } - else if (statement.kind === 200 /* Block */) { - var lastStatement = ts.lastOrUndefined(statement.statements); - if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { - return true; + // Hoist the function declaration to the outer module body function. + hoistFunctionDeclaration(node); + return undefined; + } + function visitExpressionStatement(node) { + var originalNode = ts.getOriginalNode(node); + if ((originalNode.kind === 226 /* ModuleDeclaration */ || originalNode.kind === 225 /* EnumDeclaration */) && ts.hasModifier(originalNode, 1 /* Export */)) { + var name_32 = getDeclarationName(originalNode); + // We only need to hoistVariableDeclaration for EnumDeclaration + // as ModuleDeclaration is already hoisted when the transformer call visitVariableStatement + // which then call transformsVariable for each declaration in declarationList + if (originalNode.kind === 225 /* EnumDeclaration */) { + hoistVariableDeclaration(name_32); } + return [ + node, + createExportStatement(name_32, name_32) + ]; } - return false; + return node; } /** - * Declares a `_this` variable for derived classes and for when arrow functions capture `this`. + * Visits a ClassDeclaration, hoisting its name to the outer module body function. * - * @returns The new statement offset into the `statements` array. + * @param node The class declaration to visit. */ - function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { - // If this isn't a derived class, just capture 'this' for arrow functions if necessary. - if (!hasExtendsClause) { - if (ctor) { - addCaptureThisForNodeIfNeeded(statements, ctor); - } - return 0 /* NoReplacement */; - } - // We must be here because the user didn't write a constructor - // but we needed to call 'super(...args)' anyway as per 14.5.14 of the ES2016 spec. - // If that's the case we can just immediately return the result of a 'super()' call. - if (!ctor) { - statements.push(ts.createReturn(createDefaultSuperCallOrThis())); - return 2 /* ReplaceWithReturn */; - } - // The constructor exists, but it and the 'super()' call it contains were generated - // for something like property initializers. - // Create a captured '_this' variable and assume it will subsequently be used. - if (hasSynthesizedSuper) { - captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); - enableSubstitutionsForCapturedThis(); - return 1 /* ReplaceSuperCapture */; - } - // Most of the time, a 'super' call will be the first real statement in a constructor body. - // In these cases, we'd like to transform these into a *single* statement instead of a declaration - // followed by an assignment statement for '_this'. For instance, if we emitted without an initializer, - // we'd get: - // - // var _this; - // _this = _super.call(...) || this; - // - // instead of - // - // var _this = _super.call(...) || this; - // - // Additionally, if the 'super()' call is the last statement, we should just avoid capturing - // entirely and immediately return the result like so: - // - // return _super.call(...) || this; - // - var firstStatement; - var superCallExpression; - var ctorStatements = ctor.body.statements; - if (statementOffset < ctorStatements.length) { - firstStatement = ctorStatements[statementOffset]; - if (firstStatement.kind === 203 /* ExpressionStatement */ && ts.isSuperCall(firstStatement.expression)) { - var superCall = firstStatement.expression; - superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + function visitClassDeclaration(node) { + // Hoist the name of the class declaration to the outer module body function. + var name = getDeclarationName(node); + hoistVariableDeclaration(name); + var statements = []; + // Rewrite the class declaration into an assignment of a class expression. + statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression( + /*modifiers*/ undefined, node.name, + /*typeParameters*/ undefined, node.heritageClauses, node.members, + /*location*/ node)), + /*location*/ node)); + // If the class was exported, write a declaration export to the inner module body function. + if (ts.hasModifier(node, 1 /* Export */)) { + if (!ts.hasModifier(node, 512 /* Default */)) { + recordExportName(name); } + statements.push(createDeclarationExport(node)); } - // Return the result if we have an immediate super() call on the last statement. - if (superCallExpression && statementOffset === ctorStatements.length - 1) { - statements.push(ts.createReturn(superCallExpression)); - return 2 /* ReplaceWithReturn */; - } - // Perform the capture. - captureThisForNode(statements, ctor, superCallExpression, firstStatement); - // If we're actually replacing the original statement, we need to signal this to the caller. - if (superCallExpression) { - return 1 /* ReplaceSuperCapture */; - } - return 0 /* NoReplacement */; + return statements; } - function createDefaultSuperCallOrThis() { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); - var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); - return ts.createLogicalOr(superCall, actualThis); + function shouldHoistLoopInitializer(node) { + return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3 /* BlockScoped */) === 0; } /** - * Visits a parameter declaration. + * Visits the body of a ForStatement to hoist declarations. * - * @param node A ParameterDeclaration node. + * @param node The statement to visit. */ - function visitParameter(node) { - if (node.dotDotDotToken) { - // rest parameters are elided - return undefined; - } - else if (ts.isBindingPattern(node.name)) { - // Binding patterns are converted into a generated name and are - // evaluated inside the function body. - return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), - /*initializer*/ undefined, - /*location*/ node), - /*original*/ node); - } - else if (node.initializer) { - // Initializers are elided - return ts.setOriginalNode(ts.createParameter(node.name, - /*initializer*/ undefined, - /*location*/ node), - /*original*/ node); + function visitForStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var expressions = []; + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + var visited = transformVariable(variable, /*isExported*/ false); + if (visited) { + expressions.push(visited); + } + } + ; + return ts.createFor(expressions.length + ? ts.inlineExpressions(expressions) + : ts.createSynthesizedNode(194 /* OmittedExpression */), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), + /*location*/ node); } else { - return node; + return ts.visitEachChild(node, visitNestedNode, context); } } /** - * Gets a value indicating whether we need to add default value assignments for a - * function-like node. + * Transforms and hoists the declaration list of a ForInStatement or ForOfStatement into an expression. * - * @param node A function-like node. + * @param node The decalaration list to transform. */ - function shouldAddDefaultValueAssignments(node) { - return (node.transformFlags & 262144 /* ContainsDefaultValueAssignments */) !== 0; + function transformForBinding(node) { + var firstDeclaration = ts.firstOrUndefined(node.declarations); + hoistBindingElement(firstDeclaration, /*isExported*/ false); + var name = firstDeclaration.name; + return ts.isIdentifier(name) + ? name + : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); } /** - * Adds statements to the body of a function-like node if it contains parameters with - * binding patterns or initializers. + * Visits the body of a ForInStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param node A function-like node. + * @param node The statement to visit. */ - function addDefaultValueAssignmentsIfNeeded(statements, node) { - if (!shouldAddDefaultValueAssignments(node)) { - return; + function visitForInStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + return updated; } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - var name_32 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; - // A rest parameter cannot have a binding pattern or an initializer, - // so let's just ignore it. - if (dotDotDotToken) { - continue; - } - if (ts.isBindingPattern(name_32)) { - addDefaultValueAssignmentForBindingPattern(statements, parameter, name_32, initializer); - } - else if (initializer) { - addDefaultValueAssignmentForInitializer(statements, parameter, name_32, initializer); - } + else { + return ts.visitEachChild(node, visitNestedNode, context); } } /** - * Adds statements to the body of a function-like node for parameters with binding patterns + * Visits the body of a ForOfStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param parameter The parameter for the function. - * @param name The name of the parameter. - * @param initializer The initializer for the parameter. + * @param node The statement to visit. */ - function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { - var temp = ts.getGeneratedNameForNode(parameter); - // In cases where a binding pattern is simply '[]' or '{}', - // we usually don't want to emit a var declaration; however, in the presence - // of an initializer, we must emit that expression to preserve side effects. - if (name.elements.length > 0) { - statements.push(ts.setEmitFlags(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608 /* CustomPrologue */)); + function visitForOfStatement(node) { + var initializer = node.initializer; + if (shouldHoistLoopInitializer(initializer)) { + var updated = ts.getMutableClone(node); + updated.initializer = transformForBinding(initializer); + updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + return updated; } - else if (initializer) { - statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608 /* CustomPrologue */)); + else { + return ts.visitEachChild(node, visitNestedNode, context); } } /** - * Adds statements to the body of a function-like node for parameters with initializers. - * - * @param statements The statements for the new function body. - * @param parameter The parameter for the function. - * @param name The name of the parameter. - * @param initializer The initializer for the parameter. - */ - function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { - initializer = ts.visitNode(initializer, visitor, ts.isExpression); - var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ - ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536 /* NoSourceMap */), ts.setEmitFlags(initializer, 1536 /* NoSourceMap */ | ts.getEmitFlags(initializer)), - /*location*/ parameter)) - ], /*location*/ parameter), 32 /* SingleLine */ | 1024 /* NoTrailingSourceMap */ | 12288 /* NoTokenSourceMaps */), - /*elseStatement*/ undefined, - /*location*/ parameter); - statement.startsOnNewLine = true; - ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 8388608 /* CustomPrologue */); - statements.push(statement); - } - /** - * Gets a value indicating whether we need to add statements to handle a rest parameter. - * - * @param node A ParameterDeclaration node. - * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is - * part of a constructor declaration with a - * synthesized call to `super` - */ - function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { - return node && node.dotDotDotToken && node.name.kind === 70 /* Identifier */ && !inConstructorWithSynthesizedSuper; - } - /** - * Adds statements to the body of a function-like node if it contains a rest parameter. + * Visits the body of a DoStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param node A function-like node. - * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is - * part of a constructor declaration with a - * synthesized call to `super` + * @param node The statement to visit. */ - function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { - var parameter = ts.lastOrUndefined(node.parameters); - if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { - return; + function visitDoStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - // `declarationName` is the name of the local declaration for the parameter. - var declarationName = ts.getMutableClone(parameter.name); - ts.setEmitFlags(declarationName, 1536 /* NoSourceMap */); - // `expressionName` is the name of the parameter used in expressions. - var expressionName = ts.getSynthesizedClone(parameter.name); - var restIndex = node.parameters.length - 1; - var temp = ts.createLoopVariable(); - // var param = []; - statements.push(ts.setEmitFlags(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(declarationName, - /*type*/ undefined, ts.createArrayLiteral([])) - ]), - /*location*/ parameter), 8388608 /* CustomPrologue */)); - // for (var _i = restIndex; _i < arguments.length; _i++) { - // param[_i - restIndex] = arguments[_i]; - // } - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(temp, /*type*/ undefined, ts.createLiteral(restIndex)) - ], /*location*/ parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), - /*location*/ parameter), ts.createPostfixIncrement(temp, /*location*/ parameter), ts.createBlock([ - ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), - /*location*/ parameter)) - ])); - ts.setEmitFlags(forStatement, 8388608 /* CustomPrologue */); - ts.startOnNewLine(forStatement); - statements.push(forStatement); + return node; } /** - * Adds a statement to capture the `this` of a function declaration if it is needed. + * Visits the body of a WhileStatement to hoist declarations. * - * @param statements The statements for the new function body. - * @param node A node. + * @param node The statement to visit. */ - function addCaptureThisForNodeIfNeeded(statements, node) { - if (node.transformFlags & 65536 /* ContainsCapturedLexicalThis */ && node.kind !== 181 /* ArrowFunction */) { - captureThisForNode(statements, node, ts.createThis()); + function visitWhileStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } - } - function captureThisForNode(statements, node, initializer, originalStatement) { - enableSubstitutionsForCapturedThis(); - var captureThisStatement = ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("_this", - /*type*/ undefined, initializer) - ]), originalStatement); - ts.setEmitFlags(captureThisStatement, 49152 /* NoComments */ | 8388608 /* CustomPrologue */); - ts.setSourceMapRange(captureThisStatement, node); - statements.push(captureThisStatement); + return node; } /** - * Adds statements to the class body function for a class to define the members of the - * class. + * Visits the body of a LabeledStatement to hoist declarations. * - * @param statements The statements for the class body function. - * @param node The ClassExpression or ClassDeclaration node. + * @param node The statement to visit. */ - function addClassMembers(statements, node) { - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - switch (member.kind) { - case 199 /* SemicolonClassElement */: - statements.push(transformSemicolonClassElementToStatement(member)); - break; - case 148 /* MethodDeclaration */: - statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); - break; - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); - } - break; - case 149 /* Constructor */: - // Constructors are handled in visitClassExpression/visitClassDeclaration - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; - } + function visitLabeledStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; } + return node; } /** - * Transforms a SemicolonClassElement into a statement for a class body function. + * Visits the body of a WithStatement to hoist declarations. * - * @param member The SemicolonClassElement node. + * @param node The statement to visit. */ - function transformSemicolonClassElementToStatement(member) { - return ts.createEmptyStatement(/*location*/ member); + function visitWithStatement(node) { + var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); + if (statement !== node.statement) { + var updated = ts.getMutableClone(node); + updated.statement = statement; + return updated; + } + return node; } /** - * Transforms a MethodDeclaration into a statement for a class body function. + * Visits the body of a SwitchStatement to hoist declarations. * - * @param receiver The receiver for the member. - * @param member The MethodDeclaration node. + * @param node The statement to visit. */ - function transformClassMethodDeclarationToStatement(receiver, member) { - var commentRange = ts.getCommentRange(member); - var sourceMapRange = ts.getSourceMapRange(member); - var func = transformFunctionLikeToExpression(member, /*location*/ member, /*name*/ undefined); - ts.setEmitFlags(func, 49152 /* NoComments */); - ts.setSourceMapRange(func, sourceMapRange); - var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), - /*location*/ member.name), func), - /*location*/ member); - ts.setOriginalNode(statement, member); - ts.setCommentRange(statement, commentRange); - // The location for the statement is used to emit comments only. - // No source map should be emitted for this statement to align with the - // old emitter. - ts.setEmitFlags(statement, 1536 /* NoSourceMap */); - return statement; + function visitSwitchStatement(node) { + var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); + if (caseBlock !== node.caseBlock) { + var updated = ts.getMutableClone(node); + updated.caseBlock = caseBlock; + return updated; + } + return node; } /** - * Transforms a set of related of get/set accessors into a statement for a class body function. + * Visits the body of a CaseBlock to hoist declarations. * - * @param receiver The receiver for the member. - * @param accessors The set of related get/set accessors. + * @param node The node to visit. */ - function transformAccessorsToStatement(receiver, accessors) { - var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, /*startsOnNewLine*/ false), - /*location*/ ts.getSourceMapRange(accessors.firstAccessor)); - // The location for the statement is used to emit source maps only. - // No comments should be emitted for this statement to align with the - // old emitter. - ts.setEmitFlags(statement, 49152 /* NoComments */); - return statement; + function visitCaseBlock(node) { + var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); + if (clauses !== node.clauses) { + var updated = ts.getMutableClone(node); + updated.clauses = clauses; + return updated; + } + return node; } /** - * Transforms a set of related get/set accessors into an expression for either a class - * body function or an ObjectLiteralExpression with computed properties. + * Visits the body of a CaseClause to hoist declarations. * - * @param receiver The receiver for the member. + * @param node The clause to visit. */ - function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { - var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; - // To align with source maps in the old emitter, the receiver and property name - // arguments are both mapped contiguously to the accessor name. - var target = ts.getMutableClone(receiver); - ts.setEmitFlags(target, 49152 /* NoComments */ | 1024 /* NoTrailingSourceMap */); - ts.setSourceMapRange(target, firstAccessor.name); - var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); - ts.setEmitFlags(propertyName, 49152 /* NoComments */ | 512 /* NoLeadingSourceMap */); - ts.setSourceMapRange(propertyName, firstAccessor.name); - var properties = []; - if (getAccessor) { - var getterFunction = transformFunctionLikeToExpression(getAccessor, /*location*/ undefined, /*name*/ undefined); - ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); - ts.setEmitFlags(getterFunction, 16384 /* NoLeadingComments */); - var getter = ts.createPropertyAssignment("get", getterFunction); - ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); - properties.push(getter); - } - if (setAccessor) { - var setterFunction = transformFunctionLikeToExpression(setAccessor, /*location*/ undefined, /*name*/ undefined); - ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); - ts.setEmitFlags(setterFunction, 16384 /* NoLeadingComments */); - var setter = ts.createPropertyAssignment("set", setterFunction); - ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); - properties.push(setter); - } - properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); - var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), - /*typeArguments*/ undefined, [ - target, - propertyName, - ts.createObjectLiteral(properties, /*location*/ undefined, /*multiLine*/ true) - ]); - if (startsOnNewLine) { - call.startsOnNewLine = true; + function visitCaseClause(node) { + var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); + if (statements !== node.statements) { + var updated = ts.getMutableClone(node); + updated.statements = statements; + return updated; } - return call; + return node; } /** - * Visits an ArrowFunction and transforms it into a FunctionExpression. + * Visits the body of a DefaultClause to hoist declarations. * - * @param node An ArrowFunction node. + * @param node The clause to visit. */ - function visitArrowFunction(node) { - if (node.transformFlags & 32768 /* ContainsLexicalThis */) { - enableSubstitutionsForCapturedThis(); - } - var func = transformFunctionLikeToExpression(node, /*location*/ node, /*name*/ undefined); - ts.setEmitFlags(func, 256 /* CapturesThis */); - return func; + function visitDefaultClause(node) { + return ts.visitEachChild(node, visitNestedNode, context); } /** - * Visits a FunctionExpression node. + * Visits the body of a TryStatement to hoist declarations. * - * @param node a FunctionExpression node. + * @param node The statement to visit. */ - function visitFunctionExpression(node) { - return transformFunctionLikeToExpression(node, /*location*/ node, node.name); + function visitTryStatement(node) { + return ts.visitEachChild(node, visitNestedNode, context); } /** - * Visits a FunctionDeclaration node. + * Visits the body of a CatchClause to hoist declarations. * - * @param node a FunctionDeclaration node. + * @param node The clause to visit. */ - function visitFunctionDeclaration(node) { - return ts.setOriginalNode(ts.createFunctionDeclaration( - /*decorators*/ undefined, node.modifiers, node.asteriskToken, node.name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, transformFunctionBody(node), - /*location*/ node), - /*original*/ node); + function visitCatchClause(node) { + var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); + if (block !== node.block) { + var updated = ts.getMutableClone(node); + updated.block = block; + return updated; + } + return node; } /** - * Transforms a function-like node into a FunctionExpression. + * Visits the body of a Block to hoist declarations. * - * @param node The function-like node to transform. - * @param location The source-map location for the new FunctionExpression. - * @param name The name of the new FunctionExpression. + * @param node The block to visit. */ - function transformFunctionLikeToExpression(node, location, name) { - var savedContainingNonArrowFunction = enclosingNonArrowFunction; - if (node.kind !== 181 /* ArrowFunction */) { - enclosingNonArrowFunction = node; + function visitBlock(node) { + return ts.visitEachChild(node, visitNestedNode, context); + } + // + // Substitutions + // + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256 /* SourceFile */) { + exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + exportFunctionForFile = undefined; + } + else { + previousOnEmitNode(emitContext, node, emitCallback); } - var expression = ts.setOriginalNode(ts.createFunctionExpression( - /*modifiers*/ undefined, node.asteriskToken, name, - /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), - /*type*/ undefined, saveStateAndInvoke(node, transformFunctionBody), location), - /*original*/ node); - enclosingNonArrowFunction = savedContainingNonArrowFunction; - return expression; } /** - * Transforms the body of a function-like node. + * Hooks node substitutions. * - * @param node A function-like node. + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. */ - function transformFunctionBody(node) { - var multiLine = false; // indicates whether the block *must* be emitted as multiple lines - var singleLine = false; // indicates whether the block *may* be emitted as a single line - var statementsLocation; - var closeBraceLocation; - var statements = []; - var body = node.body; - var statementOffset; - startLexicalEnvironment(); - if (ts.isBlock(body)) { - // ensureUseStrict is false because no new prologue-directive should be added. - // addPrologueDirectives will simply put already-existing directives at the beginning of the target statement-array - statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } - addCaptureThisForNodeIfNeeded(statements, node); - addDefaultValueAssignmentsIfNeeded(statements, node); - addRestParameterIfNeeded(statements, node, /*inConstructorWithSynthesizedSuper*/ false); - // If we added any generated statements, this must be a multi-line block. - if (!multiLine && statements.length > 0) { - multiLine = true; + return node; + } + /** + * Substitute the expression, if necessary. + * + * @param node The node to substitute. + */ + function substituteExpression(node) { + switch (node.kind) { + case 70 /* Identifier */: + return substituteExpressionIdentifier(node); + case 188 /* BinaryExpression */: + return substituteBinaryExpression(node); + case 186 /* PrefixUnaryExpression */: + case 187 /* PostfixUnaryExpression */: + return substituteUnaryExpression(node); } - if (ts.isBlock(body)) { - statementsLocation = body.statements; - ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); - // If the original body was a multi-line block, this must be a multi-line block. - if (!multiLine && body.multiLine) { - multiLine = true; + return node; + } + /** + * Substitution for identifiers exported at the top level of a module. + */ + function substituteExpressionIdentifier(node) { + var importDeclaration = resolver.getReferencedImportDeclaration(node); + if (importDeclaration) { + var importBinding = createImportBinding(importDeclaration); + if (importBinding) { + return importBinding; } } + return node; + } + function substituteBinaryExpression(node) { + if (ts.isAssignmentOperator(node.operatorToken.kind)) { + return substituteAssignmentExpression(node); + } + return node; + } + function substituteAssignmentExpression(node) { + ts.setEmitFlags(node, 128 /* NoSubstitution */); + var left = node.left; + switch (left.kind) { + case 70 /* Identifier */: + var exportDeclaration = resolver.getReferencedExportContainer(left); + if (exportDeclaration) { + return createExportExpression(left, node); + } + break; + case 172 /* ObjectLiteralExpression */: + case 171 /* ArrayLiteralExpression */: + if (hasExportedReferenceInDestructuringPattern(left)) { + return substituteDestructuring(node); + } + break; + } + return node; + } + function isExportedBinding(name) { + var container = resolver.getReferencedExportContainer(name); + return container && container.kind === 256 /* SourceFile */; + } + function hasExportedReferenceInDestructuringPattern(node) { + switch (node.kind) { + case 70 /* Identifier */: + return isExportedBinding(node); + case 172 /* ObjectLiteralExpression */: + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var property = _a[_i]; + if (hasExportedReferenceInObjectDestructuringElement(property)) { + return true; + } + } + break; + case 171 /* ArrayLiteralExpression */: + for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { + var element = _c[_b]; + if (hasExportedReferenceInArrayDestructuringElement(element)) { + return true; + } + } + break; + } + return false; + } + function hasExportedReferenceInObjectDestructuringElement(node) { + if (ts.isShorthandPropertyAssignment(node)) { + return isExportedBinding(node.name); + } + else if (ts.isPropertyAssignment(node)) { + return hasExportedReferenceInDestructuringElement(node.initializer); + } else { - ts.Debug.assert(node.kind === 181 /* ArrowFunction */); - // To align with the old emitter, we use a synthetic end position on the location - // for the statement list we synthesize when we down-level an arrow function with - // an expression function body. This prevents both comments and source maps from - // being emitted for the end position only. - statementsLocation = ts.moveRangeEnd(body, -1); - var equalsGreaterThanToken = node.equalsGreaterThanToken; - if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { - if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { - singleLine = true; + return false; + } + } + function hasExportedReferenceInArrayDestructuringElement(node) { + if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else { + return hasExportedReferenceInDestructuringElement(node); + } + } + function hasExportedReferenceInDestructuringElement(node) { + if (ts.isBinaryExpression(node)) { + var left = node.left; + return node.operatorToken.kind === 57 /* EqualsToken */ + && isDestructuringPattern(left) + && hasExportedReferenceInDestructuringPattern(left); + } + else if (ts.isIdentifier(node)) { + return isExportedBinding(node); + } + else if (ts.isSpreadElementExpression(node)) { + var expression = node.expression; + return ts.isIdentifier(expression) && isExportedBinding(expression); + } + else if (isDestructuringPattern(node)) { + return hasExportedReferenceInDestructuringPattern(node); + } + else { + return false; + } + } + function isDestructuringPattern(node) { + var kind = node.kind; + return kind === 70 /* Identifier */ + || kind === 172 /* ObjectLiteralExpression */ + || kind === 171 /* ArrayLiteralExpression */; + } + function substituteDestructuring(node) { + return ts.flattenDestructuringAssignment(context, node, /*needsValue*/ true, hoistVariableDeclaration); + } + function substituteUnaryExpression(node) { + var operand = node.operand; + var operator = node.operator; + var substitute = ts.isIdentifier(operand) && + (node.kind === 187 /* PostfixUnaryExpression */ || + (node.kind === 186 /* PrefixUnaryExpression */ && (operator === 42 /* PlusPlusToken */ || operator === 43 /* MinusMinusToken */))); + if (substitute) { + var exportDeclaration = resolver.getReferencedExportContainer(operand); + if (exportDeclaration) { + var expr = ts.createPrefix(node.operator, operand, node); + ts.setEmitFlags(expr, 128 /* NoSubstitution */); + var call = createExportExpression(operand, expr); + if (node.kind === 186 /* PrefixUnaryExpression */) { + return call; } else { - multiLine = true; + // export function returns the value that was passes as the second argument + // however for postfix unary expressions result value should be the value before modification. + // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' + return operator === 42 /* PlusPlusToken */ + ? ts.createSubtract(call, ts.createLiteral(1)) + : ts.createAdd(call, ts.createLiteral(1)); } } - var expression = ts.visitNode(body, visitor, ts.isExpression); - var returnStatement = ts.createReturn(expression, /*location*/ body); - ts.setEmitFlags(returnStatement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 32768 /* NoTrailingComments */); - statements.push(returnStatement); - // To align with the source map emit for the old emitter, we set a custom - // source map location for the close brace. - closeBraceLocation = body; } - var lexicalEnvironment = endLexicalEnvironment(); - ts.addRange(statements, lexicalEnvironment); - // If we added any final generated statements, this must be a multi-line block - if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { - multiLine = true; + return node; + } + /** + * Gets a name to use for a DeclarationStatement. + * @param node The declaration statement. + */ + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function addExportStarFunction(statements, localNames) { + var exportStarFunction = ts.createUniqueName("exportStar"); + var m = ts.createIdentifier("m"); + var n = ts.createIdentifier("n"); + var exports = ts.createIdentifier("exports"); + var condition = ts.createStrictInequality(n, ts.createLiteral("default")); + if (localNames) { + condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + } + statements.push(ts.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, exportStarFunction, + /*typeParameters*/ undefined, [ts.createParameter(m)], + /*type*/ undefined, ts.createBlock([ + ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(exports, + /*type*/ undefined, ts.createObjectLiteral([])) + ])), + ts.createForIn(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(n, /*type*/ undefined) + ]), m, ts.createBlock([ + ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32 /* SingleLine */) + ])), + ts.createStatement(ts.createCall(exportFunctionForFile, + /*typeArguments*/ undefined, [exports])) + ], + /*location*/ undefined, + /*multiline*/ true))); + return exportStarFunction; + } + /** + * Creates a call to the current file's export function to export a value. + * @param name The bound name of the export. + * @param value The exported value. + */ + function createExportExpression(name, value) { + var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; + return ts.createCall(exportFunctionForFile, /*typeArguments*/ undefined, [exportName, value]); + } + /** + * Creates a call to the current file's export function to export a value. + * @param name The bound name of the export. + * @param value The exported value. + */ + function createExportStatement(name, value) { + return ts.createStatement(createExportExpression(name, value)); + } + /** + * Creates a call to the current file's export function to export a declaration. + * @param node The declaration to export. + */ + function createDeclarationExport(node) { + var declarationName = getDeclarationName(node); + var exportName = ts.hasModifier(node, 512 /* Default */) ? ts.createLiteral("default") : declarationName; + return createExportStatement(exportName, declarationName); + } + function createImportBinding(importDeclaration) { + var importAlias; + var name; + if (ts.isImportClause(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); + name = ts.createIdentifier("default"); + } + else if (ts.isImportSpecifier(importDeclaration)) { + importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); + name = importDeclaration.propertyName || importDeclaration.name; + } + else { + return undefined; + } + return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); + } + function collectDependencyGroups(externalImports) { + var groupIndices = ts.createMap(); + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var externalImport = externalImports[i]; + var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); + var text = externalModuleName.text; + if (ts.hasProperty(groupIndices, text)) { + // deduplicate/group entries in dependency list by the dependency name + var groupIndex = groupIndices[text]; + dependencyGroups[groupIndex].externalImports.push(externalImport); + continue; + } + else { + groupIndices[text] = dependencyGroups.length; + dependencyGroups.push({ + name: externalModuleName, + externalImports: [externalImport] + }); + } + } + return dependencyGroups; + } + function getNameOfDependencyGroup(dependencyGroup) { + return dependencyGroup.name; + } + function recordExportName(name) { + if (!exportedLocalNames) { + exportedLocalNames = []; + } + exportedLocalNames.push(name); + } + function recordExportedFunctionDeclaration(node) { + if (!exportedFunctionDeclarations) { + exportedFunctionDeclarations = []; + } + exportedFunctionDeclarations.push(createDeclarationExport(node)); + } + function hoistBindingElement(node, isExported) { + if (ts.isOmittedExpression(node)) { + return; } - var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); - if (!multiLine && singleLine) { - ts.setEmitFlags(block, 32 /* SingleLine */); + var name = node.name; + if (ts.isIdentifier(name)) { + hoistVariableDeclaration(ts.getSynthesizedClone(name)); + if (isExported) { + recordExportName(name); + } } - if (closeBraceLocation) { - ts.setTokenSourceMapRange(block, 17 /* CloseBraceToken */, closeBraceLocation); + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); } - ts.setOriginalNode(block, node.body); - return block; } + function hoistExportedBindingElement(node) { + hoistBindingElement(node, /*isExported*/ true); + } + function hoistNonExportedBindingElement(node) { + hoistBindingElement(node, /*isExported*/ false); + } + function updateSourceFile(node, statements, nodeEmitFlags) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + ts.setEmitFlags(updated, nodeEmitFlags); + return updated; + } + } + ts.transformSystemModule = transformSystemModule; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformModule(context) { + var transformModuleDelegates = ts.createMap((_a = {}, + _a[ts.ModuleKind.None] = transformCommonJSModule, + _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, + _a[ts.ModuleKind.AMD] = transformAMDModule, + _a[ts.ModuleKind.UMD] = transformUMDModule, + _a)); + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var resolver = context.getEmitResolver(); + var host = context.getEmitHost(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var moduleKind = ts.getEmitModuleKind(compilerOptions); + var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onSubstituteNode = onSubstituteNode; + context.onEmitNode = onEmitNode; + context.enableSubstitution(70 /* Identifier */); + context.enableSubstitution(188 /* BinaryExpression */); + context.enableSubstitution(186 /* PrefixUnaryExpression */); + context.enableSubstitution(187 /* PostfixUnaryExpression */); + context.enableSubstitution(254 /* ShorthandPropertyAssignment */); + context.enableEmitNotification(256 /* SourceFile */); + var currentSourceFile; + var externalImports; + var exportSpecifiers; + var exportEquals; + var bindingNameExportSpecifiersMap; + // Subset of exportSpecifiers that is a binding-name. + // This is to reduce amount of memory we have to keep around even after we done with module-transformer + var bindingNameExportSpecifiersForFileMap = ts.createMap(); + var hasExportStarsToExportValues; + return transformSourceFile; /** - * Visits an ExpressionStatement that contains a destructuring assignment. + * Transforms the module aspects of a SourceFile. * - * @param node An ExpressionStatement node. + * @param node The SourceFile node. */ - function visitExpressionStatement(node) { - // If we are here it is most likely because our expression is a destructuring assignment. - switch (node.expression.kind) { - case 179 /* ParenthesizedExpression */: - return ts.updateStatement(node, visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ false)); - case 188 /* BinaryExpression */: - return ts.updateStatement(node, visitBinaryExpression(node.expression, /*needsDestructuringValue*/ false)); + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - return ts.visitEachChild(node, visitor, context); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + currentSourceFile = node; + // Collect information about the external module. + (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); + // Perform the transformation. + var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; + var updated = transformModule_1(node); + ts.aggregateTransformFlags(updated); + currentSourceFile = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + return updated; + } + return node; + var _a; } /** - * Visits a ParenthesizedExpression that may contain a destructuring assignment. + * Transforms a SourceFile into a CommonJS module. * - * @param node A ParenthesizedExpression node. - * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs - * of a destructuring assignment. + * @param node The SourceFile node. */ - function visitParenthesizedExpression(node, needsDestructuringValue) { - // If we are here it is most likely because our expression is a destructuring assignment. - if (needsDestructuringValue) { - switch (node.expression.kind) { - case 179 /* ParenthesizedExpression */: - return ts.createParen(visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ true), - /*location*/ node); - case 188 /* BinaryExpression */: - return ts.createParen(visitBinaryExpression(node.expression, /*needsDestructuringValue*/ true), - /*location*/ node); - } + function transformCommonJSModule(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + ts.addRange(statements, endLexicalEnvironment()); + addExportEqualsIfNeeded(statements, /*emitAsReturn*/ false); + var updated = updateSourceFile(node, statements); + if (hasExportStarsToExportValues) { + ts.setEmitFlags(updated, 2 /* EmitExportStar */ | ts.getEmitFlags(node)); } - return ts.visitEachChild(node, visitor, context); + return updated; } /** - * Visits a BinaryExpression that contains a destructuring assignment. + * Transforms a SourceFile into an AMD module. * - * @param node A BinaryExpression node. - * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs - * of a destructuring assignment. + * @param node The SourceFile node. */ - function visitBinaryExpression(node, needsDestructuringValue) { - // If we are here it is because this is a destructuring assignment. - ts.Debug.assert(ts.isDestructuringAssignment(node)); - return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); - } - function visitVariableStatement(node) { - if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3 /* BlockScoped */) == 0) { - // we are inside a converted loop - hoist variable declarations - var assignments = void 0; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); - if (decl.initializer) { - var assignment = void 0; - if (ts.isBindingPattern(decl.name)) { - assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, /*nameSubstitution*/ undefined, visitor); - } - else { - assignment = ts.createBinary(decl.name, 57 /* EqualsToken */, ts.visitNode(decl.initializer, visitor, ts.isExpression)); - } - (assignments || (assignments = [])).push(assignment); - } - } - if (assignments) { - return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25 /* CommaToken */, acc); }), node); - } - else { - // none of declarations has initializer - the entire variable statement can be deleted - return undefined; - } - } - return ts.visitEachChild(node, visitor, context); + function transformAMDModule(node) { + var define = ts.createIdentifier("define"); + var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); + return transformAsynchronousModule(node, define, moduleName, /*includeNonAmdDependencies*/ true); } /** - * Visits a VariableDeclarationList that is block scoped (e.g. `let` or `const`). + * Transforms a SourceFile into a UMD module. * - * @param node A VariableDeclarationList node. + * @param node The SourceFile node. */ - function visitVariableDeclarationList(node) { - if (node.flags & 3 /* BlockScoped */) { - enableSubstitutionsForBlockScopedBindings(); - } - var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 /* Let */ - ? visitVariableDeclarationInLetDeclarationList - : visitVariableDeclaration)); - var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ node); - ts.setOriginalNode(declarationList, node); - ts.setCommentRange(declarationList, node); - if (node.transformFlags & 8388608 /* ContainsBindingPattern */ - && (ts.isBindingPattern(node.declarations[0].name) - || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { - // If the first or last declaration is a binding pattern, we need to modify - // the source map range for the declaration list. - var firstDeclaration = ts.firstOrUndefined(declarations); - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); - } - return declarationList; + function transformUMDModule(node) { + var define = ts.createIdentifier("define"); + ts.setEmitFlags(define, 16 /* UMDDefine */); + return transformAsynchronousModule(node, define, /*moduleName*/ undefined, /*includeNonAmdDependencies*/ false); } /** - * Gets a value indicating whether we should emit an explicit initializer for a variable - * declaration in a `let` declaration list. + * Transforms a SourceFile into an AMD or UMD module. * - * @param node A VariableDeclaration node. + * @param node The SourceFile node. + * @param define The expression used to define the module. + * @param moduleName An expression for the module name, if available. + * @param includeNonAmdDependencies A value indicating whether to incldue any non-AMD dependencies. */ - function shouldEmitExplicitInitializerForLetDeclaration(node) { - // Nested let bindings might need to be initialized explicitly to preserve - // ES6 semantic: + function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { + // An AMD define function has the following shape: // - // { let x = 1; } - // { let x; } // x here should be undefined. not 1 + // define(id?, dependencies?, factory); // - // Top level bindings never collide with anything and thus don't require - // explicit initialization. As for nested let bindings there are two cases: + // This has the shape of the following: // - // - Nested let bindings that were not renamed definitely should be - // initialized explicitly: + // define(name, ["module1", "module2"], function (module1Alias) { ... } // - // { let x = 1; } - // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } + // The location of the alias in the parameter list in the factory function needs to + // match the position of the module name in the dependency list. // - // Without explicit initialization code in /*1*/ can be executed even if - // some-condition is evaluated to false. + // To ensure this is true in cases of modules with no aliases, e.g.: // - // - Renaming introduces fresh name that should not collide with any - // existing names, however renamed bindings sometimes also should be - // explicitly initialized. One particular case: non-captured binding - // declared inside loop body (but not in loop initializer): + // import "module" // - // let x; - // for (;;) { - // let x; - // } + // or // - // In downlevel codegen inner 'x' will be renamed so it won't collide - // with outer 'x' however it will should be reset on every iteration as - // if it was declared anew. + // /// // - // * Why non-captured binding? - // - Because if loop contains block scoped binding captured in some - // function then loop body will be rewritten to have a fresh scope - // on every iteration so everything will just work. + // we need to add modules without alias names to the end of the dependencies list + var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; + // Create an updated SourceFile: // - // * Why loop initializer is excluded? - // - Since we've introduced a fresh name it already will be undefined. - var flags = resolver.getNodeCheckFlags(node); - var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; - var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) - || (isCapturedInFunction - && isDeclaredInLoop - && ts.isBlock(enclosingBlockScopeContainer) - && ts.isIterationStatement(enclosingBlockScopeContainerParent, /*lookInLabeledStatements*/ false)); - var emitExplicitInitializer = !emittedAsTopLevel - && enclosingBlockScopeContainer.kind !== 208 /* ForInStatement */ - && enclosingBlockScopeContainer.kind !== 209 /* ForOfStatement */ - && (!resolver.isDeclarationWithCollidingName(node) - || (isDeclaredInLoop - && !isCapturedInFunction - && !ts.isIterationStatement(enclosingBlockScopeContainer, /*lookInLabeledStatements*/ false))); - return emitExplicitInitializer; + // define(moduleName?, ["module1", "module2"], function ... + return updateSourceFile(node, [ + ts.createStatement(ts.createCall(define, + /*typeArguments*/ undefined, (moduleName ? [moduleName] : []).concat([ + // Add the dependency array argument: + // + // ["require", "exports", module1", "module2", ...] + ts.createArrayLiteral([ + ts.createLiteral("require"), + ts.createLiteral("exports") + ].concat(aliasedModuleNames, unaliasedModuleNames)), + // Add the module body function argument: + // + // function (require, exports, module1, module2) ... + ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ + ts.createParameter("require"), + ts.createParameter("exports") + ].concat(importAliasNames), + /*type*/ undefined, transformAsynchronousModuleBody(node)) + ]))) + ]); } /** - * Visits a VariableDeclaration in a `let` declaration list. + * Transforms a SourceFile into an AMD or UMD module body. * - * @param node A VariableDeclaration node. + * @param node The SourceFile node. */ - function visitVariableDeclarationInLetDeclarationList(node) { - // For binding pattern names that lack initializers there is no point to emit - // explicit initializer since downlevel codegen for destructuring will fail - // in the absence of initializer so all binding elements will say uninitialized - var name = node.name; - if (ts.isBindingPattern(name)) { - return visitVariableDeclaration(node); + function transformAsynchronousModuleBody(node) { + startLexicalEnvironment(); + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); + // Visit each statement of the module body. + ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); + // End the lexical environment for the module body + // and merge any new lexical declarations. + ts.addRange(statements, endLexicalEnvironment()); + // Append the 'export =' statement if provided. + addExportEqualsIfNeeded(statements, /*emitAsReturn*/ true); + var body = ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true); + if (hasExportStarsToExportValues) { + // If we have any `export * from ...` declarations + // we need to inform the emitter to add the __export helper. + ts.setEmitFlags(body, 2 /* EmitExportStar */); } - if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { - var clone_5 = ts.getMutableClone(node); - clone_5.initializer = ts.createVoidZero(); - return clone_5; + return body; + } + function addExportEqualsIfNeeded(statements, emitAsReturn) { + if (exportEquals) { + if (emitAsReturn) { + var statement = ts.createReturn(exportEquals.expression, + /*location*/ exportEquals); + ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 49152 /* NoComments */); + statements.push(statement); + } + else { + var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), + /*location*/ exportEquals); + ts.setEmitFlags(statement, 49152 /* NoComments */); + statements.push(statement); + } } - return ts.visitEachChild(node, visitor, context); } /** - * Visits a VariableDeclaration node with a binding pattern. + * Visits a node at the top level of the source file. * - * @param node A VariableDeclaration node. + * @param node The node. */ - function visitVariableDeclaration(node) { - // If we are here it is because the name contains a binding pattern. - if (ts.isBindingPattern(node.name)) { - var recordTempVariablesInLine = !enclosingVariableStatement - || !ts.hasModifier(enclosingVariableStatement, 1 /* Export */); - return ts.flattenVariableDestructuring(node, /*value*/ undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); - } - return ts.visitEachChild(node, visitor, context); - } - function visitLabeledStatement(node) { - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = ts.createMap(); - } - convertedLoopState.labels[node.label.text] = node.label.text; - } - var result; - if (ts.isIterationStatement(node.statement, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node.statement)) { - result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); - } - else { - result = ts.visitEachChild(node, visitor, context); - } - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; + function visitor(node) { + switch (node.kind) { + case 231 /* ImportDeclaration */: + return visitImportDeclaration(node); + case 230 /* ImportEqualsDeclaration */: + return visitImportEqualsDeclaration(node); + case 237 /* ExportDeclaration */: + return visitExportDeclaration(node); + case 236 /* ExportAssignment */: + return visitExportAssignment(node); + case 201 /* VariableStatement */: + return visitVariableStatement(node); + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 222 /* ClassDeclaration */: + return visitClassDeclaration(node); + case 203 /* ExpressionStatement */: + return visitExpressionStatement(node); + default: + // This visitor does not descend into the tree, as export/import statements + // are only transformed at the top level of a file. + return node; } - return result; - } - function visitDoStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitWhileStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForStatement(node) { - return convertIterationStatementBodyIfNecessary(node); - } - function visitForInStatement(node) { - return convertIterationStatementBodyIfNecessary(node); } /** - * Visits a ForOfStatement and converts it into a compatible ForStatement. + * Visits an ImportDeclaration node. * - * @param node A ForOfStatement. + * @param node The ImportDeclaration node. */ - function visitForOfStatement(node) { - return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); - } - function convertForOfToFor(node, convertedLoopBodyStatements) { - // The following ES6 code: - // - // for (let v of expr) { } - // - // should be emitted as - // - // for (var _i = 0, _a = expr; _i < _a.length; _i++) { - // var v = _a[_i]; - // } - // - // where _a and _i are temps emitted to capture the RHS and the counter, - // respectively. - // When the left hand side is an expression instead of a let declaration, - // the "let v" is not emitted. - // When the left hand side is a let/const, the v is renamed if there is - // another v in scope. - // Note that all assignments to the LHS are emitted in the body, including - // all destructuring. - // Note also that because an extra statement is needed to assign to the LHS, - // for-of bodies are always emitted as blocks. - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - var initializer = node.initializer; + function visitImportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } var statements = []; - // In the case where the user wrote an identifier as the RHS, like this: - // - // for (let v of arr) { } - // - // we don't want to emit a temporary variable for the RHS, just use it directly. - var counter = ts.createLoopVariable(); - var rhsReference = expression.kind === 70 /* Identifier */ - ? ts.createUniqueName(expression.text) - : ts.createTempVariable(/*recordTempVariable*/ undefined); - // Initialize LHS - // var v = _a[_i]; - if (ts.isVariableDeclarationList(initializer)) { - if (initializer.flags & 3 /* BlockScoped */) { - enableSubstitutionsForBlockScopedBindings(); + var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); + if (moduleKind !== ts.ModuleKind.AMD) { + if (!node.importClause) { + // import "mod"; + statements.push(ts.createStatement(createRequireCall(node), + /*location*/ node)); + } + else { + var variables = []; + if (namespaceDeclaration && !ts.isDefaultImport(node)) { + // import * as n from "mod"; + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), + /*type*/ undefined, createRequireCall(node))); + } + else { + // import d from "mod"; + // import { x, y } from "mod"; + // import d, { x, y } from "mod"; + // import d, * as n from "mod"; + variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), + /*type*/ undefined, createRequireCall(node))); + if (namespaceDeclaration && ts.isDefaultImport(node)) { + variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), + /*type*/ undefined, ts.getGeneratedNameForNode(node))); + } + } + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createConstDeclarationList(variables), + /*location*/ node)); + } + } + else if (namespaceDeclaration && ts.isDefaultImport(node)) { + // import d, * as n from "mod"; + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), + /*type*/ undefined, ts.getGeneratedNameForNode(node), + /*location*/ node) + ]))); + } + addExportImportAssignments(statements, node); + return ts.singleOrMany(statements); + } + function visitImportEqualsDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } + // Set emitFlags on the name of the importEqualsDeclaration + // This is so the printer will not substitute the identifier + ts.setEmitFlags(node.name, 128 /* NoSubstitution */); + var statements = []; + if (moduleKind !== ts.ModuleKind.AMD) { + if (ts.hasModifier(node, 1 /* Export */)) { + statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), + /*location*/ node)); } - var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); - if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { - // This works whether the declaration is a var, let, or const. - // It will use rhsIterationValue _a[_i] as the initializer. - var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); - var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ initializer); - ts.setOriginalNode(declarationList, initializer); - // Adjust the source map range for the first declaration to align with the old - // emitter. - var firstDeclaration = declarations[0]; - var lastDeclaration = ts.lastOrUndefined(declarations); - ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + else { statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, declarationList)); + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), + /*type*/ undefined, createRequireCall(node)) + ], + /*location*/ undefined, + /*flags*/ languageVersion >= 2 /* ES2015 */ ? 2 /* Const */ : 0 /* None */), + /*location*/ node)); } - else { - // The following call does not include the initializer, so we have - // to emit it separately. + } + else { + if (ts.hasModifier(node, 1 /* Export */)) { + statements.push(ts.createStatement(createExportAssignment(node.name, node.name), + /*location*/ node)); + } + } + addExportImportAssignments(statements, node); + return statements; + } + function visitExportDeclaration(node) { + if (!ts.contains(externalImports, node)) { + return undefined; + } + var generatedName = ts.getGeneratedNameForNode(node); + if (node.exportClause) { + var statements = []; + // export { x, y } from "mod"; + if (moduleKind !== ts.ModuleKind.AMD) { statements.push(ts.createVariableStatement( /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(/*recordTempVariable*/ undefined), - /*type*/ undefined, ts.createElementAccess(rhsReference, counter)) - ], /*location*/ ts.moveRangePos(initializer, -1)), - /*location*/ ts.moveRangeEnd(initializer, -1))); + ts.createVariableDeclaration(generatedName, + /*type*/ undefined, createRequireCall(node)) + ]), + /*location*/ node)); + } + for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { + var specifier = _a[_i]; + var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); + statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), + /*location*/ specifier)); } + return ts.singleOrMany(statements); } else { - // Initializer is an expression. Emit the expression in the body, so that it's - // evaluated on every iteration. - var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); - if (ts.isDestructuringAssignment(assignment)) { - // This is a destructuring pattern, so we flatten the destructuring instead. - statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, - /*needsValue*/ false, hoistVariableDeclaration, visitor))); + // export * from "mod"; + return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), + /*typeArguments*/ undefined, [ + moduleKind !== ts.ModuleKind.AMD + ? createRequireCall(node) + : generatedName + ]), + /*location*/ node); + } + } + function visitExportAssignment(node) { + if (node.isExportEquals) { + // Elide as `export=` is handled in addExportEqualsIfNeeded + return undefined; + } + var statements = []; + addExportDefault(statements, node.expression, /*location*/ node); + return statements; + } + function addExportDefault(statements, expression, location) { + tryAddExportDefaultCompat(statements); + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); + } + function tryAddExportDefaultCompat(statements) { + var original = ts.getOriginalNode(currentSourceFile); + ts.Debug.assert(original.kind === 256 /* SourceFile */); + if (!original.symbol.exports["___esModule"]) { + if (languageVersion === 0 /* ES3 */) { + statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); } else { - // Currently there is not way to check that assignment is binary expression of destructing assignment - // so we have to cast never type to binaryExpression - assignment.end = initializer.end; - statements.push(ts.createStatement(assignment, /*location*/ ts.moveRangeEnd(initializer, -1))); + statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), + /*typeArguments*/ undefined, [ + ts.createIdentifier("exports"), + ts.createLiteral("__esModule"), + ts.createObjectLiteral([ + ts.createPropertyAssignment("value", ts.createLiteral(true)) + ]) + ]))); } } - var bodyLocation; - var statementsLocation; - if (convertedLoopBodyStatements) { - ts.addRange(statements, convertedLoopBodyStatements); + } + function addExportImportAssignments(statements, node) { + if (ts.isImportEqualsDeclaration(node)) { + addExportMemberAssignments(statements, node.name); } else { - var statement = ts.visitNode(node.statement, visitor, ts.isStatement); - if (ts.isBlock(statement)) { - ts.addRange(statements, statement.statements); - bodyLocation = statement; - statementsLocation = statement.statements; + var names = ts.reduceEachChild(node, collectExportMembers, []); + for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { + var name_33 = names_1[_i]; + addExportMemberAssignments(statements, name_33); } - else { - statements.push(statement); + } + } + function collectExportMembers(names, node) { + if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { + var name_34 = node.name; + if (ts.isIdentifier(name_34)) { + names.push(name_34); } } - // The old emitter does not emit source maps for the expression - ts.setEmitFlags(expression, 1536 /* NoSourceMap */ | ts.getEmitFlags(expression)); - // The old emitter does not emit source maps for the block. - // We add the location to preserve comments. - var body = ts.createBlock(ts.createNodeArray(statements, /*location*/ statementsLocation), - /*location*/ bodyLocation); - ts.setEmitFlags(body, 1536 /* NoSourceMap */ | 12288 /* NoTokenSourceMaps */); - var forStatement = ts.createFor(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(counter, /*type*/ undefined, ts.createLiteral(0), /*location*/ ts.moveRangePos(node.expression, -1)), - ts.createVariableDeclaration(rhsReference, /*type*/ undefined, expression, /*location*/ node.expression) - ], /*location*/ node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), - /*location*/ node.expression), ts.createPostfixIncrement(counter, /*location*/ node.expression), body, - /*location*/ node); - // Disable trailing source maps for the OpenParenToken to align source map emit with the old emitter. - ts.setEmitFlags(forStatement, 8192 /* NoTokenTrailingSourceMaps */); - return forStatement; + return ts.reduceEachChild(node, collectExportMembers, names); } - /** - * Visits an ObjectLiteralExpression with computed propety names. - * - * @param node An ObjectLiteralExpression node. - */ - function visitObjectLiteralExpression(node) { - // We are here because a ComputedPropertyName was used somewhere in the expression. - var properties = node.properties; - var numProperties = properties.length; - // Find the first computed property. - // Everything until that point can be emitted as part of the initial object literal. - var numInitialProperties = numProperties; - for (var i = 0; i < numProperties; i++) { - var property = properties[i]; - if (property.transformFlags & 16777216 /* ContainsYield */ - || property.name.kind === 141 /* ComputedPropertyName */) { - numInitialProperties = i; - break; + function addExportMemberAssignments(statements, name) { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), + /*location*/ specifier.name))); } } - ts.Debug.assert(numInitialProperties !== numProperties); - // For computed properties, we need to create a unique handle to the object - // literal so we can modify it without risking internal assignments tainting the object. - var temp = ts.createTempVariable(hoistVariableDeclaration); - // Write out the first non-computed properties, then emit the rest through indexing on the temp variable. - var expressions = []; - var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), - /*location*/ undefined, node.multiLine), 524288 /* Indented */)); - if (node.multiLine) { - assignment.startsOnNewLine = true; + } + function addExportMemberAssignment(statements, node) { + if (ts.hasModifier(node, 512 /* Default */)) { + addExportDefault(statements, getDeclarationName(node), /*location*/ node); + } + else { + statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144 /* LocalName */), /*location*/ node)); } - expressions.push(assignment); - addObjectLiteralMembers(expressions, node, temp, numInitialProperties); - // We need to clone the temporary identifier so that we can write it on a - // new line - expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); } - function shouldConvertIterationStatementBody(node) { - return (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; + function visitVariableStatement(node) { + // If the variable is for a generated declaration, + // we should maintain it and just strip off the 'export' modifier if necessary. + var originalKind = ts.getOriginalNode(node).kind; + if (originalKind === 226 /* ModuleDeclaration */ || + originalKind === 225 /* EnumDeclaration */ || + originalKind === 222 /* ClassDeclaration */) { + if (!ts.hasModifier(node, 1 /* Export */)) { + return node; + } + return ts.setOriginalNode(ts.createVariableStatement( + /*modifiers*/ undefined, node.declarationList), node); + } + var resultStatements = []; + // If we're exporting these variables, then these just become assignments to 'exports.blah'. + // We only want to emit assignments for variables with initializers. + if (ts.hasModifier(node, 1 /* Export */)) { + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length > 0) { + var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); + resultStatements.push(inlineAssignments); + } + } + else { + resultStatements.push(node); + } + // While we might not have been exported here, each variable might have been exported + // later on in an export specifier (e.g. `export {foo as blah, bar}`). + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + addExportMemberAssignmentsForBindingName(resultStatements, decl.name); + } + return resultStatements; } /** - * Records constituents of name for the given variable to be hoisted in the outer scope. + * Creates appropriate assignments for each binding identifier that is exported in an export specifier, + * and inserts it into 'resultStatements'. */ - function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(node.name); - function visit(node) { - if (node.kind === 70 /* Identifier */) { - state.hoistedLocalVariables.push(node); + function addExportMemberAssignmentsForBindingName(resultStatements, name) { + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + addExportMemberAssignmentsForBindingName(resultStatements, element.name); + } } - else { - for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - visit(element.name); - } + } + else { + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + var sourceFileId = ts.getOriginalNodeId(currentSourceFile); + if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { + bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); } + bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; + addExportMemberAssignments(resultStatements, name); } } } - function convertIterationStatementBodyIfNecessary(node, convert) { - if (!shouldConvertIterationStatementBody(node)) { - var saveAllowedNonLabeledJumps = void 0; - if (convertedLoopState) { - // we get here if we are trying to emit normal loop loop inside converted loop - // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; - } - var result = convert ? convert(node, /*convertedLoopBodyStatements*/ undefined) : ts.visitEachChild(node, visitor, context); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - return result; + function transformInitializedVariable(node) { + var name = node.name; + if (ts.isBindingPattern(name)) { + return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); } - var functionName = ts.createUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 207 /* ForStatement */: - case 208 /* ForInStatement */: - case 209 /* ForOfStatement */: - var initializer = node.initializer; - if (initializer && initializer.kind === 220 /* VariableDeclarationList */) { - loopInitializer = initializer; - } - break; + else { + return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); } - // variables that will be passed to the loop as parameters - var loopParameters = []; - // variables declared in the loop initializer that will be changed inside the loop - var loopOutParameters = []; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3 /* BlockScoped */)) { - for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); - } + } + function visitFunctionDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1 /* Export */)) { + // Keep async modifier for ES2017 transformer + var isAsync = ts.hasModifier(node, 256 /* Async */); + statements.push(ts.setOriginalNode(ts.createFunctionDeclaration( + /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, node.body, + /*location*/ node), + /*original*/ node)); + addExportMemberAssignment(statements, node); } - var outerConvertedLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (outerConvertedLoopState) { - // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. - // if outer converted loop has already accumulated some state - pass it through - if (outerConvertedLoopState.argumentsName) { - // outer loop has already used 'arguments' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; - } - if (outerConvertedLoopState.thisName) { - // outer loop has already used 'this' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.thisName = outerConvertedLoopState.thisName; - } - if (outerConvertedLoopState.hoistedLocalVariables) { - // we've already collected some non-block scoped variable declarations in enclosing loop - // use the same storage in nested loop - convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; - } + else { + statements.push(node); } - var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); - var currentState = convertedLoopState; - convertedLoopState = outerConvertedLoopState; - if (loopOutParameters.length) { - var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; - copyOutParameters(loopOutParameters, 1 /* ToOutParameter */, statements_3); - loopBody = ts.createBlock(statements_3, /*location*/ undefined, /*multiline*/ true); + if (node.name) { + addExportMemberAssignments(statements, node.name); } - if (!ts.isBlock(loopBody)) { - loopBody = ts.createBlock([loopBody], /*location*/ undefined, /*multiline*/ true); + return ts.singleOrMany(statements); + } + function visitClassDeclaration(node) { + var statements = []; + var name = node.name || ts.getGeneratedNameForNode(node); + if (ts.hasModifier(node, 1 /* Export */)) { + statements.push(ts.setOriginalNode(ts.createClassDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, name, + /*typeParameters*/ undefined, node.heritageClauses, node.members, + /*location*/ node), + /*original*/ node)); + addExportMemberAssignment(statements, node); } - var isAsyncBlockContainingAwait = enclosingNonArrowFunction - && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152 /* AsyncFunctionBody */) !== 0 - && (node.statement.transformFlags & 16777216 /* ContainsYield */) !== 0; - var loopBodyFlags = 0; - if (currentState.containsLexicalThis) { - loopBodyFlags |= 256 /* CapturesThis */; + else { + statements.push(node); } - if (isAsyncBlockContainingAwait) { - loopBodyFlags |= 2097152 /* AsyncFunctionBody */; + // Decorators end up creating a series of assignment expressions which overwrite + // the local binding that we export, so we need to defer from exporting decorated classes + // until the decoration assignments take place. We do this when visiting expression-statements. + if (node.name && !(node.decorators && node.decorators.length)) { + addExportMemberAssignments(statements, node.name); } - var convertedLoopVariable = ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(functionName, - /*type*/ undefined, ts.setEmitFlags(ts.createFunctionExpression( - /*modifiers*/ undefined, isAsyncBlockContainingAwait ? ts.createToken(38 /* AsteriskToken */) : undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, loopParameters, - /*type*/ undefined, loopBody), loopBodyFlags)) - ])); - var statements = [convertedLoopVariable]; - var extraVariableDeclarations; - // propagate state from the inner loop to the outer loop if necessary - if (currentState.argumentsName) { - // if alias for arguments is set - if (outerConvertedLoopState) { - // pass it to outer converted loop - outerConvertedLoopState.argumentsName = currentState.argumentsName; - } - else { - // this is top level converted loop and we need to create an alias for 'arguments' object - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, - /*type*/ undefined, ts.createIdentifier("arguments"))); - } + return ts.singleOrMany(statements); + } + function visitExpressionStatement(node) { + var original = ts.getOriginalNode(node); + var origKind = original.kind; + if (origKind === 225 /* EnumDeclaration */ || origKind === 226 /* ModuleDeclaration */) { + return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); } - if (currentState.thisName) { - // if alias for this is set - if (outerConvertedLoopState) { - // pass it to outer converted loop - outerConvertedLoopState.thisName = currentState.thisName; - } - else { - // this is top level converted loop so we need to create an alias for 'this' here - // NOTE: - // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. - // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. - (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, - /*type*/ undefined, ts.createIdentifier("this"))); + else if (origKind === 222 /* ClassDeclaration */) { + // The decorated assignment for a class name may need to be transformed. + var classDecl = original; + if (classDecl.name) { + var statements = [node]; + addExportMemberAssignments(statements, classDecl.name); + return statements; } } - if (currentState.hoistedLocalVariables) { - // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later - if (outerConvertedLoopState) { - // pass them to outer converted loop - outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; - } - else { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - // hoist collected variable declarations - for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { - var identifier = _c[_b]; - extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); - } - } + return node; + } + function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { + var statements = [node]; + // Preserve old behavior for enums in which a variable statement is emitted after the body itself. + if (ts.hasModifier(original, 1 /* Export */) && + original.kind === 225 /* EnumDeclaration */ && + ts.isFirstDeclarationOfKind(original, 225 /* EnumDeclaration */)) { + addVarForExportedEnumOrNamespaceDeclaration(statements, original); } - // add extra variables to hold out parameters if necessary - if (loopOutParameters.length) { - if (!extraVariableDeclarations) { - extraVariableDeclarations = []; - } - for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { - var outParam = loopOutParameters_1[_d]; - extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); + addExportMemberAssignments(statements, original.name); + return statements; + } + /** + * Adds a trailing VariableStatement for an enum or module declaration. + */ + function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { + var transformedStatement = ts.createVariableStatement( + /*modifiers*/ undefined, [ts.createVariableDeclaration(getDeclarationName(node), + /*type*/ undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], + /*location*/ node); + ts.setEmitFlags(transformedStatement, 49152 /* NoComments */); + statements.push(transformedStatement); + } + function getDeclarationName(node) { + return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); + } + function onEmitNode(emitContext, node, emitCallback) { + if (node.kind === 256 /* SourceFile */) { + bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; + previousOnEmitNode(emitContext, node, emitCallback); + bindingNameExportSpecifiersMap = undefined; + } + else { + previousOnEmitNode(emitContext, node, emitCallback); + } + } + /** + * Hooks node substitutions. + * + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. + */ + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); + } + else if (ts.isShorthandPropertyAssignment(node)) { + return substituteShorthandPropertyAssignment(node); + } + return node; + } + function substituteShorthandPropertyAssignment(node) { + var name = node.name; + var exportedOrImportedName = substituteExpressionIdentifier(name); + if (exportedOrImportedName !== name) { + // A shorthand property with an assignment initializer is probably part of a + // destructuring assignment + if (node.objectAssignmentInitializer) { + var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); + return ts.createPropertyAssignment(name, initializer, /*location*/ node); } + return ts.createPropertyAssignment(name, exportedOrImportedName, /*location*/ node); } - // create variable statement to hold all introduced variable declarations - if (extraVariableDeclarations) { - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); - } - var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); - var loop; - if (convert) { - loop = convert(node, convertedLoopBodyStatements); - } - else { - loop = ts.getMutableClone(node); - // clean statement part - loop.statement = undefined; - // visit childnodes to transform initializer/condition/incrementor parts - loop = ts.visitEachChild(loop, visitor, context); - // set loop statement - loop.statement = ts.createBlock(convertedLoopBodyStatements, - /*location*/ undefined, - /*multiline*/ true); - // reset and re-aggregate the transform flags - loop.transformFlags = 0; - ts.aggregateTransformFlags(loop); + return node; + } + function substituteExpression(node) { + switch (node.kind) { + case 70 /* Identifier */: + return substituteExpressionIdentifier(node); + case 188 /* BinaryExpression */: + return substituteBinaryExpression(node); + case 187 /* PostfixUnaryExpression */: + case 186 /* PrefixUnaryExpression */: + return substituteUnaryExpression(node); } - statements.push(currentParent.kind === 215 /* LabeledStatement */ - ? ts.createLabel(currentParent.label, loop) - : loop); - return statements; + return node; } - function copyOutParameter(outParam, copyDirection) { - var source = copyDirection === 0 /* ToOriginal */ ? outParam.outParamName : outParam.originalName; - var target = copyDirection === 0 /* ToOriginal */ ? outParam.originalName : outParam.outParamName; - return ts.createBinary(target, 57 /* EqualsToken */, source); + function substituteExpressionIdentifier(node) { + return trySubstituteExportedName(node) + || trySubstituteImportedName(node) + || node; } - function copyOutParameters(outParams, copyDirection, statements) { - for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { - var outParam = outParams_1[_i]; - statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); + function substituteBinaryExpression(node) { + var left = node.left; + // If the left-hand-side of the binaryExpression is an identifier and its is export through export Specifier + if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { + ts.setEmitFlags(node, 128 /* NoSubstitution */); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, node); + } + return nestedExportAssignment; + } } + return node; } - function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { - var outerConvertedLoopState = convertedLoopState; - var statements = []; - // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop - // simple loops are emitted as just 'loop()'; - // NOTE: if loop uses only 'continue' it still will be emitted as simple loop - var isSimpleLoop = !(state.nonLocalJumps & ~4 /* Continue */) && - !state.labeledNonLocalBreaks && - !state.labeledNonLocalContinues; - var call = ts.createCall(loopFunctionExpressionName, /*typeArguments*/ undefined, ts.map(parameters, function (p) { return p.name; })); - var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38 /* AsteriskToken */), call) : call; - if (isSimpleLoop) { - statements.push(ts.createStatement(callResult)); - copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); - } - else { - var loopResultName = ts.createUniqueName("state"); - var stateVariable = ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, /*type*/ undefined, callResult)])); - statements.push(stateVariable); - copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); - if (state.nonLocalJumps & 8 /* Return */) { - var returnStatement = void 0; - if (outerConvertedLoopState) { - outerConvertedLoopState.nonLocalJumps |= 8 /* Return */; - returnStatement = ts.createReturn(loopResultName); + function substituteUnaryExpression(node) { + // Because how the compiler only parse plusplus and minusminus to be either prefixUnaryExpression or postFixUnaryExpression depended on where they are + // We don't need to check that the operator has SyntaxKind.plusplus or SyntaxKind.minusminus + var operator = node.operator; + var operand = node.operand; + if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { + if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { + ts.setEmitFlags(node, 128 /* NoSubstitution */); + var transformedUnaryExpression = void 0; + if (node.kind === 187 /* PostfixUnaryExpression */) { + transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 /* PlusPlusToken */ ? 58 /* PlusEqualsToken */ : 59 /* MinusEqualsToken */), ts.createLiteral(1), + /*location*/ node); + // We have to set no substitution flag here to prevent visit the binary expression and substitute it again as we will preform all necessary substitution in here + ts.setEmitFlags(transformedUnaryExpression, 128 /* NoSubstitution */); } - else { - returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + var nestedExportAssignment = void 0; + for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { + var specifier = _a[_i]; + nestedExportAssignment = nestedExportAssignment ? + createExportAssignment(specifier.name, nestedExportAssignment) : + createExportAssignment(specifier.name, transformedUnaryExpression || node); } - statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("object")), returnStatement)); - } - if (state.nonLocalJumps & 2 /* Break */) { - statements.push(ts.createIf(ts.createBinary(loopResultName, 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("break")), ts.createBreak())); - } - if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { - var caseClauses = []; - processLabeledJumps(state.labeledNonLocalBreaks, /*isBreak*/ true, loopResultName, outerConvertedLoopState, caseClauses); - processLabeledJumps(state.labeledNonLocalContinues, /*isBreak*/ false, loopResultName, outerConvertedLoopState, caseClauses); - statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + return nestedExportAssignment; } } - return statements; + return node; } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = ts.createMap(); + function trySubstituteExportedName(node) { + var emitFlags = ts.getEmitFlags(node); + if ((emitFlags & 262144 /* LocalName */) === 0) { + var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072 /* ExportName */) !== 0); + if (container) { + if (container.kind === 256 /* SourceFile */) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), + /*location*/ node); + } } - state.labeledNonLocalBreaks[labelText] = labelMarker; } - else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = ts.createMap(); + return undefined; + } + function trySubstituteImportedName(node) { + if ((ts.getEmitFlags(node) & 262144 /* LocalName */) === 0) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (ts.isImportClause(declaration)) { + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), + /*location*/ node); + } + else if (ts.isImportSpecifier(declaration)) { + var name_35 = declaration.propertyName || declaration.name; + return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_35), + /*location*/ node); + } } - state.labeledNonLocalContinues[labelText] = labelMarker; } + return undefined; } - function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { - if (!table) { - return; + function getModuleMemberName(name) { + return ts.createPropertyAccess(ts.createIdentifier("exports"), name, + /*location*/ name); + } + function createRequireCall(importNode) { + var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + var args = []; + if (ts.isDefined(moduleName)) { + args.push(moduleName); } - for (var labelText in table) { - var labelMarker = table[labelText]; - var statements = []; - // if there are no outer converted loop or outer label in question is located inside outer converted loop - // then emit labeled break\continue - // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - var label = ts.createIdentifier(labelText); - statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); + return ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, args); + } + function createExportStatement(name, value, location) { + var statement = ts.createStatement(createExportAssignment(name, value)); + statement.startsOnNewLine = true; + if (location) { + ts.setSourceMapRange(statement, location); + } + return statement; + } + function createExportAssignment(name, value) { + return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); + } + function collectAsynchronousDependencies(node, includeNonAmdDependencies) { + // names of modules with corresponding parameter in the factory function + var aliasedModuleNames = []; + // names of modules with no corresponding parameters in factory function + var unaliasedModuleNames = []; + // names of the parameters in the factory function; these + // parameters need to match the indexes of the corresponding + // module names in aliasedModuleNames. + var importAliasNames = []; + // Fill in amd-dependency tags + for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { + var amdDependency = _a[_i]; + if (amdDependency.name) { + aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + importAliasNames.push(ts.createParameter(amdDependency.name)); } else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - statements.push(ts.createReturn(loopResultName)); + unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); } - caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } - } - function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { - var name = decl.name; - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - processLoopVariableDeclaration(element, loopParameters, loopOutParameters); - } + for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { + var importNode = externalImports_3[_b]; + // Find the name of the external module + var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); + // Find the name of the module alias, if there is one + var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); + if (includeNonAmdDependencies && importAliasName) { + // Set emitFlags on the name of the classDeclaration + // This is so that when printer will not substitute the identifier + ts.setEmitFlags(importAliasName, 128 /* NoSubstitution */); + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(ts.createParameter(importAliasName)); } - } - else { - loopParameters.push(ts.createParameter(name)); - if (resolver.getNodeCheckFlags(decl) & 2097152 /* NeedsLoopOutParameter */) { - var outParamName = ts.createUniqueName("out_" + name.text); - loopOutParameters.push({ originalName: name, outParamName: outParamName }); + else { + unaliasedModuleNames.push(externalModuleName); } } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + } + function updateSourceFile(node, statements) { + var updated = ts.getMutableClone(node); + updated.statements = ts.createNodeArray(statements, node.statements); + return updated; } + var _a; + } + ts.transformModule = transformModule; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + var entities = createEntitiesMap(); + function transformJsx(context) { + var compilerOptions = context.getCompilerOptions(); + var currentSourceFile; + return transformSourceFile; /** - * Adds the members of an object literal to an array of expressions. + * Transform JSX-specific syntax in a SourceFile. * - * @param expressions An array of expressions. - * @param node An ObjectLiteralExpression node. - * @param receiver The receiver for members of the ObjectLiteralExpression. - * @param numInitialNonComputedProperties The number of initial properties without - * computed property names. + * @param node A SourceFile node. */ - function addObjectLiteralMembers(expressions, node, receiver, start) { - var properties = node.properties; - var numProperties = properties.length; - for (var i = start; i < numProperties; i++) { - var property = properties[i]; - switch (property.kind) { - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property === accessors.firstAccessor) { - expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); - } - break; - case 253 /* PropertyAssignment */: - expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 254 /* ShorthandPropertyAssignment */: - expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); - break; - case 148 /* MethodDeclaration */: - expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); - break; - default: - ts.Debug.failBadSyntaxKind(node); - break; - } + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } + currentSourceFile = node; + node = ts.visitEachChild(node, visitor, context); + currentSourceFile = undefined; + return node; } - /** - * Transforms a PropertyAssignment node into an expression. - * - * @param node The ObjectLiteralExpression that contains the PropertyAssignment. - * @param property The PropertyAssignment node. - * @param receiver The receiver for the assignment. - */ - function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), - /*location*/ property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitor(node) { + if (node.transformFlags & 4 /* Jsx */) { + return visitorWorker(node); + } + else if (node.transformFlags & 8 /* ContainsJsx */) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; } - return expression; } - /** - * Transforms a ShorthandPropertyAssignment node into an expression. - * - * @param node The ObjectLiteralExpression that contains the ShorthandPropertyAssignment. - * @param property The ShorthandPropertyAssignment node. - * @param receiver The receiver for the assignment. - */ - function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), - /*location*/ property); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function visitorWorker(node) { + switch (node.kind) { + case 242 /* JsxElement */: + return visitJsxElement(node, /*isChild*/ false); + case 243 /* JsxSelfClosingElement */: + return visitJsxSelfClosingElement(node, /*isChild*/ false); + case 248 /* JsxExpression */: + return visitJsxExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return undefined; } - return expression; } - /** - * Transforms a MethodDeclaration of an ObjectLiteralExpression into an expression. - * - * @param node The ObjectLiteralExpression that contains the MethodDeclaration. - * @param method The MethodDeclaration node. - * @param receiver The receiver for the assignment. - */ - function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { - var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, /*location*/ method, /*name*/ undefined), - /*location*/ method); - if (startsOnNewLine) { - expression.startsOnNewLine = true; + function transformJsxChildToExpression(node) { + switch (node.kind) { + case 10 /* JsxText */: + return visitJsxText(node); + case 248 /* JsxExpression */: + return visitJsxExpression(node); + case 242 /* JsxElement */: + return visitJsxElement(node, /*isChild*/ true); + case 243 /* JsxSelfClosingElement */: + return visitJsxSelfClosingElement(node, /*isChild*/ true); + default: + ts.Debug.failBadSyntaxKind(node); + return undefined; } - return expression; } - /** - * Visits a MethodDeclaration of an ObjectLiteralExpression and transforms it into a - * PropertyAssignment. - * - * @param node A MethodDeclaration node. - */ - function visitMethodDeclaration(node) { - // We should only get here for methods on an object literal with regular identifier names. - // Methods on classes are handled in visitClassDeclaration/visitClassExpression. - // Methods with computed property names are handled in visitObjectLiteralExpression. - ts.Debug.assert(!ts.isComputedPropertyName(node.name)); - var functionExpression = transformFunctionLikeToExpression(node, /*location*/ ts.moveRangePos(node, -1), /*name*/ undefined); - ts.setEmitFlags(functionExpression, 16384 /* NoLeadingComments */ | ts.getEmitFlags(functionExpression)); - return ts.createPropertyAssignment(node.name, functionExpression, - /*location*/ node); + function visitJsxElement(node, isChild) { + return visitJsxOpeningLikeElement(node.openingElement, node.children, isChild, /*location*/ node); } - /** - * Visits a ShorthandPropertyAssignment and transforms it into a PropertyAssignment. - * - * @param node A ShorthandPropertyAssignment node. - */ - function visitShorthandPropertyAssignment(node) { - return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), - /*location*/ node); + function visitJsxSelfClosingElement(node, isChild) { + return visitJsxOpeningLikeElement(node, /*children*/ undefined, isChild, /*location*/ node); } - /** - * Visits a YieldExpression node. - * - * @param node A YieldExpression node. - */ - function visitYieldExpression(node) { - // `yield` expressions are transformed using the generators transformer. - return ts.visitEachChild(node, visitor, context); + function visitJsxOpeningLikeElement(node, children, isChild, location) { + var tagName = getTagName(node); + var objectProperties; + var attrs = node.attributes; + if (attrs.length === 0) { + // When there are no attributes, React wants "null" + objectProperties = ts.createNull(); + } + else { + // Map spans of JsxAttribute nodes into object literals and spans + // of JsxSpreadAttribute nodes into expressions. + var segments = ts.flatten(ts.spanMap(attrs, ts.isJsxSpreadAttribute, function (attrs, isSpread) { return isSpread + ? ts.map(attrs, transformJsxSpreadAttributeToExpression) + : ts.createObjectLiteral(ts.map(attrs, transformJsxAttributeToObjectLiteralElement)); })); + if (ts.isJsxSpreadAttribute(attrs[0])) { + // We must always emit at least one object literal before a spread + // argument. + segments.unshift(ts.createObjectLiteral()); + } + // Either emit one big object literal (no spread attribs), or + // a call to the __assign helper. + objectProperties = ts.singleOrUndefined(segments) + || ts.createAssignHelper(currentSourceFile.externalHelpersModuleName, segments); + } + var element = ts.createReactCreateElement(compilerOptions.reactNamespace, tagName, objectProperties, ts.filter(ts.map(children, transformJsxChildToExpression), ts.isDefined), node, location); + if (isChild) { + ts.startOnNewLine(element); + } + return element; } - /** - * Visits an ArrayLiteralExpression that contains a spread element. - * - * @param node An ArrayLiteralExpression node. + function transformJsxSpreadAttributeToExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); + } + function transformJsxAttributeToObjectLiteralElement(node) { + var name = getAttributeName(node); + var expression = transformJsxAttributeInitializer(node.initializer); + return ts.createPropertyAssignment(name, expression); + } + function transformJsxAttributeInitializer(node) { + if (node === undefined) { + return ts.createLiteral(true); + } + else if (node.kind === 9 /* StringLiteral */) { + var decoded = tryDecodeEntities(node.text); + return decoded ? ts.createLiteral(decoded, /*location*/ node) : node; + } + else if (node.kind === 248 /* JsxExpression */) { + return visitJsxExpression(node); + } + else { + ts.Debug.failBadSyntaxKind(node); + } + } + function visitJsxText(node) { + var text = ts.getTextOfNode(node, /*includeTrivia*/ true); + var parts; + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + // JSX trims whitespace at the end and beginning of lines, except that the + // start/end of a tag is considered a start/end of a line only if that line is + // on the same line as the closing tag. See examples in + // tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + if (!parts) { + parts = []; + } + // We do not escape the string here as that is handled by the printer + // when it emits the literal. We do, however, need to decode JSX entities. + parts.push(ts.createLiteral(decodeEntities(part))); + } + firstNonWhitespace = -1; + } + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } + } + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + if (!parts) { + parts = []; + } + // We do not escape the string here as that is handled by the printer + // when it emits the literal. We do, however, need to decode JSX entities. + parts.push(ts.createLiteral(decodeEntities(part))); + } + if (parts) { + return ts.reduceLeft(parts, aggregateJsxTextParts); + } + return undefined; + } + /** + * Aggregates two expressions by interpolating them with a whitespace literal. */ - function visitArrayLiteralExpression(node) { - // We are here because we contain a SpreadElementExpression. - return transformAndSpreadElements(node.elements, /*needsUniqueCopy*/ true, node.multiLine, /*hasTrailingComma*/ node.elements.hasTrailingComma); + function aggregateJsxTextParts(left, right) { + return ts.createAdd(ts.createAdd(left, ts.createLiteral(" ")), right); } /** - * Visits a CallExpression that contains either a spread element or `super`. - * - * @param node a CallExpression. + * Replace entities like " ", "{", and "�" with the characters they encode. + * See https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references */ - function visitCallExpression(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ true); + function decodeEntities(text) { + return text.replace(/&((#((\d+)|x([\da-fA-F]+)))|(\w+));/g, function (match, _all, _number, _digits, decimal, hex, word) { + if (decimal) { + return String.fromCharCode(parseInt(decimal, 10)); + } + else if (hex) { + return String.fromCharCode(parseInt(hex, 16)); + } + else { + var ch = entities[word]; + // If this is not a valid entity, then just use `match` (replace it with itself, i.e. don't replace) + return ch ? String.fromCharCode(ch) : match; + } + }); } - function visitImmediateSuperCallInBody(node) { - return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ false); + /** Like `decodeEntities` but returns `undefined` if there were no entities to decode. */ + function tryDecodeEntities(text) { + var decoded = decodeEntities(text); + return decoded === text ? undefined : decoded; } - function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { - // We are here either because SuperKeyword was used somewhere in the expression, or - // because we contain a SpreadElementExpression. - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - if (node.expression.kind === 96 /* SuperKeyword */) { - ts.setEmitFlags(thisArg, 128 /* NoSubstitution */); - } - var resultingCall; - if (node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) { - // [source] - // f(...a, b) - // x.m(...a, b) - // super(...a, b) - // super.m(...a, b) // in static - // super.m(...a, b) // in instance - // - // [output] - // f.apply(void 0, a.concat([b])) - // (_a = x).m.apply(_a, a.concat([b])) - // _super.apply(this, a.concat([b])) - // _super.m.apply(this, a.concat([b])) - // _super.prototype.m.apply(this, a.concat([b])) - resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)); + function getTagName(node) { + if (node.kind === 242 /* JsxElement */) { + return getTagName(node.openingElement); } else { - // [source] - // super(a) - // super.m(a) // in static - // super.m(a) // in instance - // - // [output] - // _super.call(this, a) - // _super.m.call(this, a) - // _super.prototype.m.call(this, a) - resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), - /*location*/ node); - } - if (node.expression.kind === 96 /* SuperKeyword */) { - var actualThis = ts.createThis(); - ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); - var initializer = ts.createLogicalOr(resultingCall, actualThis); - return assignToCapturedThis - ? ts.createAssignment(ts.createIdentifier("_this"), initializer) - : initializer; + var name_36 = node.tagName; + if (ts.isIdentifier(name_36) && ts.isIntrinsicJsxName(name_36.text)) { + return ts.createLiteral(name_36.text); + } + else { + return ts.createExpressionFromEntityName(name_36); + } } - return resultingCall; - } - /** - * Visits a NewExpression that contains a spread element. - * - * @param node A NewExpression node. - */ - function visitNewExpression(node) { - // We are here because we contain a SpreadElementExpression. - ts.Debug.assert((node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) !== 0); - // [source] - // new C(...a) - // - // [output] - // new ((_a = C).bind.apply(_a, [void 0].concat(a)))() - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)), - /*typeArguments*/ undefined, []); } /** - * Transforms an array of Expression nodes that contains a SpreadElementExpression. - * - * @param elements The array of Expression nodes. - * @param needsUniqueCopy A value indicating whether to ensure that the result is a fresh array. - * @param multiLine A value indicating whether the result should be emitted on multiple lines. + * Emit an attribute name, which is quoted if it needs to be quoted. Because + * these emit into an object literal property name, we don't need to be worried + * about keywords, just non-identifier characters */ - function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { - // [source] - // [a, ...b, c] - // - // [output] - // [a].concat(b, [c]) - // Map spans of spread expressions into their expressions and spans of other - // expressions into an array literal. - var numElements = elements.length; - var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { - return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); - })); - if (segments.length === 1) { - var firstElement = elements[0]; - return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 /* ArrayLiteralExpression */ - ? ts.createArraySlice(segments[0]) - : segments[0]; + function getAttributeName(node) { + var name = node.name; + if (/^[A-Za-z_]\w*$/.test(name.text)) { + return name; + } + else { + return ts.createLiteral(name.text); } - // Rewrite using the pattern .concat(, , ...) - return ts.createArrayConcat(segments.shift(), segments); - } - function partitionSpreadElement(node) { - return ts.isSpreadElementExpression(node) - ? visitSpanOfSpreadElements - : visitSpanOfNonSpreadElements; - } - function visitSpanOfSpreadElements(chunk) { - return ts.map(chunk, visitExpressionOfSpreadElement); } - function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { - return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, /*location*/ undefined, hasTrailingComma), visitor, ts.isExpression), - /*location*/ undefined, multiLine); + function visitJsxExpression(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } + } + ts.transformJsx = transformJsx; + function createEntitiesMap() { + return ts.createMap({ + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }); + } +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformES2017(context) { + var ES2017SubstitutionFlags; + (function (ES2017SubstitutionFlags) { + /** Enables substitutions for async methods with `super` calls. */ + ES2017SubstitutionFlags[ES2017SubstitutionFlags["AsyncMethodsWithSuper"] = 1] = "AsyncMethodsWithSuper"; + })(ES2017SubstitutionFlags || (ES2017SubstitutionFlags = {})); + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment; + var resolver = context.getEmitResolver(); + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + // These variables contain state that changes as we descend into the tree. + var currentSourceFileExternalHelpersModuleName; /** - * Transforms the expression of a SpreadElementExpression node. - * - * @param node A SpreadElementExpression node. + * Keeps track of whether expression substitution has been enabled for specific edge cases. + * They are persisted between each SourceFile transformation and should not be reset. */ - function visitExpressionOfSpreadElement(node) { - return ts.visitNode(node.expression, visitor, ts.isExpression); - } + var enabledSubstitutions; /** - * Visits a template literal. - * - * @param node A template literal. + * Keeps track of whether we are within any containing namespaces when performing + * just-in-time substitution while printing an expression identifier. */ - function visitTemplateLiteral(node) { - return ts.createLiteral(node.text, /*location*/ node); - } + var applicableSubstitutions; /** - * Visits a TaggedTemplateExpression node. - * - * @param node A TaggedTemplateExpression node. + * This keeps track of containers where `super` is valid, for use with + * just-in-time substitution for `super` expressions inside of async methods. */ - function visitTaggedTemplateExpression(node) { - // Visit the tag expression - var tag = ts.visitNode(node.tag, visitor, ts.isExpression); - // Allocate storage for the template site object - var temp = ts.createTempVariable(hoistVariableDeclaration); - // Build up the template arguments and the raw and cooked strings for the template. - var templateArguments = [temp]; - var cookedStrings = []; - var rawStrings = []; - var template = node.template; - if (ts.isNoSubstitutionTemplateLiteral(template)) { - cookedStrings.push(ts.createLiteral(template.text)); - rawStrings.push(getRawLiteral(template)); + var currentSuperContainer; + // Save the previous transformation hooks. + var previousOnEmitNode = context.onEmitNode; + var previousOnSubstituteNode = context.onSubstituteNode; + // Set new transformation hooks. + context.onEmitNode = onEmitNode; + context.onSubstituteNode = onSubstituteNode; + var currentScope; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; } - else { - cookedStrings.push(ts.createLiteral(template.head.text)); - rawStrings.push(getRawLiteral(template.head)); - for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { - var templateSpan = _a[_i]; - cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); - rawStrings.push(getRawLiteral(templateSpan.literal)); - templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); - } + currentSourceFileExternalHelpersModuleName = node.externalHelpersModuleName; + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if (node.transformFlags & 16 /* ES2017 */) { + return visitorWorker(node); + } + else if (node.transformFlags & 32 /* ContainsES2017 */) { + return ts.visitEachChild(node, visitor, context); + } + return node; + } + function visitorWorker(node) { + switch (node.kind) { + case 119 /* AsyncKeyword */: + // ES2017 async modifier should be elided for targets < ES2017 + return undefined; + case 185 /* AwaitExpression */: + // ES2017 'await' expressions must be transformed for targets < ES2017. + return visitAwaitExpression(node); + case 148 /* MethodDeclaration */: + // ES2017 method declarations may be 'async' + return visitMethodDeclaration(node); + case 221 /* FunctionDeclaration */: + // ES2017 function declarations may be 'async' + return visitFunctionDeclaration(node); + case 180 /* FunctionExpression */: + // ES2017 function expressions may be 'async' + return visitFunctionExpression(node); + case 181 /* ArrowFunction */: + // ES2017 arrow functions may be 'async' + return visitArrowFunction(node); + default: + ts.Debug.failBadSyntaxKind(node); + return node; } - // NOTE: The parentheses here is entirely optional as we are now able to auto- - // parenthesize when rebuilding the tree. This should be removed in a - // future version. It is here for now to match our existing emit. - return ts.createParen(ts.inlineExpressions([ - ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), - ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), - ts.createCall(tag, /*typeArguments*/ undefined, templateArguments) - ])); } /** - * Creates an ES5 compatible literal from an ES6 template literal. + * Visits an await expression. * - * @param node The ES6 template literal. + * This function will be called any time a ES2017 await expression is encountered. + * + * @param node The await expression node. */ - function getRawLiteral(node) { - // Find original source text, since we need to emit the raw strings of the tagged template. - // The raw strings contain the (escaped) strings of what the user wrote. - // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". - var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); - // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), - // thus we need to remove those characters. - // First template piece starts with "`", others with "}" - // Last template piece ends with "`", others with "${" - var isLast = node.kind === 12 /* NoSubstitutionTemplateLiteral */ || node.kind === 15 /* TemplateTail */; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - // Newline normalization: - // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's - // and LineTerminatorSequences are normalized to for both TV and TRV. - text = text.replace(/\r\n?/g, "\n"); - return ts.createLiteral(text, /*location*/ node); + function visitAwaitExpression(node) { + return ts.setOriginalNode(ts.createYield( + /*asteriskToken*/ undefined, ts.visitNode(node.expression, visitor, ts.isExpression), + /*location*/ node), node); } /** - * Visits a TemplateExpression node. + * Visits a method declaration of a class. * - * @param node A TemplateExpression node. + * This function will be called when one of the following conditions are met: + * - The node is marked as async + * + * @param node The method node. */ - function visitTemplateExpression(node) { - var expressions = []; - addTemplateHead(expressions, node); - addTemplateSpans(expressions, node); - // createAdd will check if each expression binds less closely than binary '+'. - // If it does, it wraps the expression in parentheses. Otherwise, something like - // `abc${ 1 << 2 }` - // becomes - // "abc" + 1 << 2 + "" - // which is really - // ("abc" + 1) << (2 + "") - // rather than - // "abc" + (1 << 2) + "" - var expression = ts.reduceLeft(expressions, ts.createAdd); - if (ts.nodeIsSynthesized(expression)) { - ts.setTextRange(expression, node); + function visitMethodDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - return expression; + var method = ts.createMethod( + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node); + // While we emit the source map for the node after skipping decorators and modifiers, + // we need to emit the comments for the original range. + ts.setCommentRange(method, node); + ts.setSourceMapRange(method, ts.moveRangePastDecorators(node)); + ts.setOriginalNode(method, node); + return method; } /** - * Gets a value indicating whether we need to include the head of a TemplateExpression. + * Visits a function declaration. * - * @param node A TemplateExpression node. - */ - function shouldAddTemplateHead(node) { - // If this expression has an empty head literal and the first template span has a non-empty - // literal, then emitting the empty head literal is not necessary. - // `${ foo } and ${ bar }` - // can be emitted as - // foo + " and " + bar - // This is because it is only required that one of the first two operands in the emit - // output must be a string literal, so that the other operand and all following operands - // are forced into strings. - // - // If the first template span has an empty literal, then the head must still be emitted. - // `${ foo }${ bar }` - // must still be emitted as - // "" + foo + bar - // There is always atleast one templateSpan in this code path, since - // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; - } - /** - * Adds the head of a TemplateExpression to an array of expressions. + * This function will be called when one of the following conditions are met: + * - The node is marked async * - * @param expressions An array of expressions. - * @param node A TemplateExpression node. + * @param node The function node. */ - function addTemplateHead(expressions, node) { - if (!shouldAddTemplateHead(node)) { - return; + function visitFunctionDeclaration(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; } - expressions.push(ts.createLiteral(node.head.text)); + var func = ts.createFunctionDeclaration( + /*decorators*/ undefined, ts.visitNodes(node.modifiers, visitor, ts.isModifier), node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node); + ts.setOriginalNode(func, node); + return func; } /** - * Visits and adds the template spans of a TemplateExpression to an array of expressions. + * Visits a function expression node. * - * @param expressions An array of expressions. - * @param node A TemplateExpression node. + * This function will be called when one of the following conditions are met: + * - The node is marked async + * + * @param node The function expression node. */ - function addTemplateSpans(expressions, node) { - for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { - var span_6 = _a[_i]; - expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); - // Only emit if the literal is non-empty. - // The binary '+' operator is left-associative, so the first string concatenation - // with the head will force the result up to this point to be a string. - // Emitting a '+ ""' has no semantic effect for middles and tails. - if (span_6.literal.text.length !== 0) { - expressions.push(ts.createLiteral(span_6.literal.text)); - } + function visitFunctionExpression(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; + } + if (ts.nodeIsMissing(node.body)) { + return ts.createOmittedExpression(); } + var func = ts.createFunctionExpression( + /*modifiers*/ undefined, node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node); + ts.setOriginalNode(func, node); + return func; } /** - * Visits the `super` keyword + * @remarks + * This function will be called when one of the following conditions are met: + * - The node is marked async */ - function visitSuperKeyword() { - return enclosingNonAsyncFunctionBody - && ts.isClassElement(enclosingNonAsyncFunctionBody) - && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32 /* Static */) - && currentParent.kind !== 175 /* CallExpression */ - ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") - : ts.createIdentifier("_super"); + function visitArrowFunction(node) { + if (!ts.isAsyncFunctionLike(node)) { + return node; + } + var func = ts.createArrowFunction(ts.visitNodes(node.modifiers, visitor, ts.isModifier), + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, node.equalsGreaterThanToken, transformConciseBody(node), + /*location*/ node); + ts.setOriginalNode(func, node); + return func; } - function visitSourceFileNode(node) { - var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; - var statements = []; + function transformFunctionBody(node) { + return transformAsyncFunctionBody(node); + } + function transformConciseBody(node) { + return transformAsyncFunctionBody(node); + } + function transformFunctionBodyWorker(body, start) { + if (start === void 0) { start = 0; } + var savedCurrentScope = currentScope; + currentScope = body; startLexicalEnvironment(); - ts.addRange(statements, prologue); - addCaptureThisForNodeIfNeeded(statements, node); - ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); - ts.addRange(statements, endLexicalEnvironment()); - var clone = ts.getMutableClone(node); - clone.statements = ts.createNodeArray(statements, /*location*/ node.statements); - return clone; + var statements = ts.visitNodes(body.statements, visitor, ts.isStatement, start); + var visited = ts.updateBlock(body, statements); + var declarations = endLexicalEnvironment(); + currentScope = savedCurrentScope; + return ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); } - /** - * Called by the printer just before a node is printed. - * - * @param node The node to be printed. - */ - function onEmitNode(emitContext, node, emitCallback) { - var savedEnclosingFunction = enclosingFunction; - if (enabledSubstitutions & 1 /* CapturedThis */ && ts.isFunctionLike(node)) { - // If we are tracking a captured `this`, keep track of the enclosing function. - enclosingFunction = node; + function transformAsyncFunctionBody(node) { + var nodeType = node.original ? node.original.type : node.type; + var promiseConstructor = languageVersion < 2 /* ES2015 */ ? getPromiseConstructor(nodeType) : undefined; + var isArrowFunction = node.kind === 181 /* ArrowFunction */; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; + // An async function is emit as an outer function that calls an inner + // generator function. To preserve lexical bindings, we pass the current + // `this` and `arguments` objects to `__awaiter`. The generator function + // passed to `__awaiter` is executed inside of the callback to the + // promise constructor. + if (!isArrowFunction) { + var statements = []; + var statementOffset = ts.addPrologueDirectives(statements, node.body.statements, /*ensureUseStrict*/ false, visitor); + statements.push(ts.createReturn(ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformFunctionBodyWorker(node.body, statementOffset)))); + var block = ts.createBlock(statements, /*location*/ node.body, /*multiLine*/ true); + // Minor optimization, emit `_super` helper to capture `super` access in an arrow. + // This step isn't needed if we eventually transform this to ES5. + if (languageVersion >= 2 /* ES2015 */) { + if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 8 /* EmitAdvancedSuperHelper */); + } + else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { + enableSubstitutionForAsyncMethodsWithSuper(); + ts.setEmitFlags(block, 4 /* EmitSuperHelper */); + } + } + return block; + } + else { + return ts.createAwaiterHelper(currentSourceFileExternalHelpersModuleName, hasLexicalArguments, promiseConstructor, transformConciseBodyWorker(node.body, /*forceBlockFunctionBody*/ true)); } - previousOnEmitNode(emitContext, node, emitCallback); - enclosingFunction = savedEnclosingFunction; } - /** - * Enables a more costly code path for substitutions when we determine a source file - * contains block-scoped bindings (e.g. `let` or `const`). - */ - function enableSubstitutionsForBlockScopedBindings() { - if ((enabledSubstitutions & 2 /* BlockScopedBindings */) === 0) { - enabledSubstitutions |= 2 /* BlockScopedBindings */; - context.enableSubstitution(70 /* Identifier */); + function transformConciseBodyWorker(body, forceBlockFunctionBody) { + if (ts.isBlock(body)) { + return transformFunctionBodyWorker(body); + } + else { + startLexicalEnvironment(); + var visited = ts.visitNode(body, visitor, ts.isConciseBody); + var declarations = endLexicalEnvironment(); + var merged = ts.mergeFunctionBodyLexicalEnvironment(visited, declarations); + if (forceBlockFunctionBody && !ts.isBlock(merged)) { + return ts.createBlock([ + ts.createReturn(merged) + ]); + } + else { + return merged; + } } } - /** - * Enables a more costly code path for substitutions when we determine a source file - * contains a captured `this`. - */ - function enableSubstitutionsForCapturedThis() { - if ((enabledSubstitutions & 1 /* CapturedThis */) === 0) { - enabledSubstitutions |= 1 /* CapturedThis */; - context.enableSubstitution(98 /* ThisKeyword */); - context.enableEmitNotification(149 /* Constructor */); + function getPromiseConstructor(type) { + var typeName = ts.getEntityNameFromTypeNode(type); + if (typeName && ts.isEntityName(typeName)) { + var serializationKind = resolver.getTypeReferenceSerializationKind(typeName); + if (serializationKind === ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue + || serializationKind === ts.TypeReferenceSerializationKind.Unknown) { + return typeName; + } + } + return undefined; + } + function enableSubstitutionForAsyncMethodsWithSuper() { + if ((enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) === 0) { + enabledSubstitutions |= 1 /* AsyncMethodsWithSuper */; + // We need to enable substitutions for call, property access, and element access + // if we need to rewrite super calls. + context.enableSubstitution(175 /* CallExpression */); + context.enableSubstitution(173 /* PropertyAccessExpression */); + context.enableSubstitution(174 /* ElementAccessExpression */); + // We need to be notified when entering and exiting declarations that bind super. + context.enableEmitNotification(222 /* ClassDeclaration */); context.enableEmitNotification(148 /* MethodDeclaration */); context.enableEmitNotification(150 /* GetAccessor */); context.enableEmitNotification(151 /* SetAccessor */); - context.enableEmitNotification(181 /* ArrowFunction */); - context.enableEmitNotification(180 /* FunctionExpression */); - context.enableEmitNotification(221 /* FunctionDeclaration */); + context.enableEmitNotification(149 /* Constructor */); } } - /** - * Hooks node substitutions. - * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. - */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); - } - if (ts.isIdentifier(node)) { - return substituteIdentifier(node); + function substituteExpression(node) { + switch (node.kind) { + case 173 /* PropertyAccessExpression */: + return substitutePropertyAccessExpression(node); + case 174 /* ElementAccessExpression */: + return substituteElementAccessExpression(node); + case 175 /* CallExpression */: + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */) { + return substituteCallExpression(node); + } + break; } return node; } - /** - * Hooks substitutions for non-expression identifiers. - */ - function substituteIdentifier(node) { - // Only substitute the identifier if we have enabled substitutions for block-scoped - // bindings. - if (enabledSubstitutions & 2 /* BlockScopedBindings */) { - var original = ts.getParseTreeNode(node, ts.isIdentifier); - if (original && isNameOfDeclarationWithCollidingName(original)) { - return ts.getGeneratedNameForNode(original); + function substitutePropertyAccessExpression(node) { + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(ts.createLiteral(node.name.text), flags, node); } } return node; } - /** - * Determines whether a name is the name of a declaration with a colliding name. - * NOTE: This function expects to be called with an original source tree node. - * - * @param node An original source tree node. - */ - function isNameOfDeclarationWithCollidingName(node) { - var parent = node.parent; - switch (parent.kind) { - case 170 /* BindingElement */: - case 222 /* ClassDeclaration */: - case 225 /* EnumDeclaration */: - case 219 /* VariableDeclaration */: - return parent.name === node - && resolver.isDeclarationWithCollidingName(parent); + function substituteElementAccessExpression(node) { + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && node.expression.kind === 96 /* SuperKeyword */) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + return createSuperAccessInAsyncMethod(node.argumentExpression, flags, node); + } } - return false; + return node; } - /** - * Substitutes an expression. - * - * @param node An Expression node. - */ - function substituteExpression(node) { - switch (node.kind) { - case 70 /* Identifier */: - return substituteExpressionIdentifier(node); - case 98 /* ThisKeyword */: - return substituteThisKeyword(node); + function substituteCallExpression(node) { + var expression = node.expression; + if (ts.isSuperProperty(expression)) { + var flags = getSuperContainerAsyncMethodFlags(); + if (flags) { + var argumentExpression = ts.isPropertyAccessExpression(expression) + ? substitutePropertyAccessExpression(expression) + : substituteElementAccessExpression(expression); + return ts.createCall(ts.createPropertyAccess(argumentExpression, "call"), + /*typeArguments*/ undefined, [ + ts.createThis() + ].concat(node.arguments)); + } } return node; } + function isSuperContainer(node) { + var kind = node.kind; + return kind === 222 /* ClassDeclaration */ + || kind === 149 /* Constructor */ + || kind === 148 /* MethodDeclaration */ + || kind === 150 /* GetAccessor */ + || kind === 151 /* SetAccessor */; + } /** - * Substitutes an expression identifier. + * Hook for node emit. * - * @param node An Identifier node. + * @param node The node to emit. + * @param emit A callback used to emit the node in the printer. */ - function substituteExpressionIdentifier(node) { - if (enabledSubstitutions & 2 /* BlockScopedBindings */) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - return ts.getGeneratedNameForNode(declaration.name); - } + function onEmitNode(emitContext, node, emitCallback) { + var savedApplicableSubstitutions = applicableSubstitutions; + var savedCurrentSuperContainer = currentSuperContainer; + // If we need to support substitutions for `super` in an async method, + // we should track it here. + if (enabledSubstitutions & 1 /* AsyncMethodsWithSuper */ && isSuperContainer(node)) { + currentSuperContainer = node; } - return node; + previousOnEmitNode(emitContext, node, emitCallback); + applicableSubstitutions = savedApplicableSubstitutions; + currentSuperContainer = savedCurrentSuperContainer; } /** - * Substitutes `this` when contained within an arrow function. + * Hooks node substitutions. * - * @param node The ThisKeyword node. + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. */ - function substituteThisKeyword(node) { - if (enabledSubstitutions & 1 /* CapturedThis */ - && enclosingFunction - && ts.getEmitFlags(enclosingFunction) & 256 /* CapturesThis */) { - return ts.createIdentifier("_this", /*location*/ node); + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } return node; } - /** - * Gets the local name for a declaration for use in expressions. - * - * A local name will *never* be prefixed with an module or namespace export modifier like - * "exports.". - * - * @param node The declaration. - * @param allowComments A value indicating whether comments may be emitted for the name. - * @param allowSourceMaps A value indicating whether source maps may be emitted for the name. - */ - function getLocalName(node, allowComments, allowSourceMaps) { - return getDeclarationName(node, allowComments, allowSourceMaps, 262144 /* LocalName */); + function createSuperAccessInAsyncMethod(argumentExpression, flags, location) { + if (flags & 4096 /* AsyncMethodWithSuperBinding */) { + return ts.createPropertyAccess(ts.createCall(ts.createIdentifier("_super"), + /*typeArguments*/ undefined, [argumentExpression]), "value", location); + } + else { + return ts.createCall(ts.createIdentifier("_super"), + /*typeArguments*/ undefined, [argumentExpression], location); + } } - /** - * Gets the name of a declaration, without source map or comments. - * - * @param node The declaration. - * @param allowComments Allow comments for the name. - */ - function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { - if (node.name && !ts.isGeneratedIdentifier(node.name)) { - var name_33 = ts.getMutableClone(node.name); - emitFlags |= ts.getEmitFlags(node.name); - if (!allowSourceMaps) { - emitFlags |= 1536 /* NoSourceMap */; + function getSuperContainerAsyncMethodFlags() { + return currentSuperContainer !== undefined + && resolver.getNodeCheckFlags(currentSuperContainer) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */); + } + } + ts.transformES2017 = transformES2017; +})(ts || (ts = {})); +/// +/// +/*@internal*/ +var ts; +(function (ts) { + function transformES2016(context) { + var hoistVariableDeclaration = context.hoistVariableDeclaration; + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; + } + return ts.visitEachChild(node, visitor, context); + } + function visitor(node) { + if (node.transformFlags & 64 /* ES2016 */) { + return visitorWorker(node); + } + else if (node.transformFlags & 128 /* ContainsES2016 */) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } + } + function visitorWorker(node) { + switch (node.kind) { + case 188 /* BinaryExpression */: + return visitBinaryExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } + } + function visitBinaryExpression(node) { + // We are here because ES2016 adds support for the exponentiation operator. + var left = ts.visitNode(node.left, visitor, ts.isExpression); + var right = ts.visitNode(node.right, visitor, ts.isExpression); + if (node.operatorToken.kind === 61 /* AsteriskAsteriskEqualsToken */) { + var target = void 0; + var value = void 0; + if (ts.isElementAccessExpression(left)) { + // Transforms `a[x] **= b` into `(_a = a)[_x = x] = Math.pow(_a[_x], b)` + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + var argumentExpressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createElementAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), ts.createAssignment(argumentExpressionTemp, left.argumentExpression, /*location*/ left.argumentExpression), + /*location*/ left); + value = ts.createElementAccess(expressionTemp, argumentExpressionTemp, + /*location*/ left); } - if (!allowComments) { - emitFlags |= 49152 /* NoComments */; + else if (ts.isPropertyAccessExpression(left)) { + // Transforms `a.x **= b` into `(_a = a).x = Math.pow(_a.x, b)` + var expressionTemp = ts.createTempVariable(hoistVariableDeclaration); + target = ts.createPropertyAccess(ts.createAssignment(expressionTemp, left.expression, /*location*/ left.expression), left.name, + /*location*/ left); + value = ts.createPropertyAccess(expressionTemp, left.name, + /*location*/ left); } - if (emitFlags) { - ts.setEmitFlags(name_33, emitFlags); + else { + // Transforms `a **= b` into `a = Math.pow(a, b)` + target = left; + value = left; } - return name_33; - } - return ts.getGeneratedNameForNode(node); - } - function getClassMemberPrefix(node, member) { - var expression = getLocalName(node); - return ts.hasModifier(member, 32 /* Static */) ? expression : ts.createPropertyAccess(expression, "prototype"); - } - function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { - if (!constructor || !hasExtendsClause) { - return false; - } - var parameter = ts.singleOrUndefined(constructor.parameters); - if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { - return false; - } - var statement = ts.firstOrUndefined(constructor.body.statements); - if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203 /* ExpressionStatement */) { - return false; - } - var statementExpression = statement.expression; - if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175 /* CallExpression */) { - return false; + return ts.createAssignment(target, ts.createMathPow(value, right, /*location*/ node), /*location*/ node); } - var callTarget = statementExpression.expression; - if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96 /* SuperKeyword */) { - return false; + else if (node.operatorToken.kind === 39 /* AsteriskAsteriskToken */) { + // Transforms `a ** b` into `Math.pow(a, b)` + return ts.createMathPow(left, right, /*location*/ node); } - var callArgument = ts.singleOrUndefined(statementExpression.arguments); - if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192 /* SpreadElementExpression */) { - return false; + else { + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); } - var expression = callArgument.expression; - return ts.isIdentifier(expression) && expression === parameter.name; } } - ts.transformES2015 = transformES2015; + ts.transformES2016 = transformES2016; })(ts || (ts = {})); /// /// -// Transforms generator functions into a compatible ES5 representation with similar runtime -// semantics. This is accomplished by first transforming the body of each generator -// function into an intermediate representation that is the compiled into a JavaScript -// switch statement. -// -// Many functions in this transformer will contain comments indicating the expected -// intermediate representation. For illustrative purposes, the following intermediate -// language is used to define this intermediate representation: -// -// .nop - Performs no operation. -// .local NAME, ... - Define local variable declarations. -// .mark LABEL - Mark the location of a label. -// .br LABEL - Jump to a label. If jumping out of a protected -// region, all .finally blocks are executed. -// .brtrue LABEL, (x) - Jump to a label IIF the expression `x` is truthy. -// If jumping out of a protected region, all .finally -// blocks are executed. -// .brfalse LABEL, (x) - Jump to a label IIF the expression `x` is falsey. -// If jumping out of a protected region, all .finally -// blocks are executed. -// .yield (x) - Yield the value of the optional expression `x`. -// Resume at the next label. -// .yieldstar (x) - Delegate yield to the value of the optional -// expression `x`. Resume at the next label. -// NOTE: `x` must be an Iterator, not an Iterable. -// .loop CONTINUE, BREAK - Marks the beginning of a loop. Any "continue" or -// "break" abrupt completions jump to the CONTINUE or -// BREAK labels, respectively. -// .endloop - Marks the end of a loop. -// .with (x) - Marks the beginning of a WithStatement block, using -// the supplied expression. -// .endwith - Marks the end of a WithStatement. -// .switch - Marks the beginning of a SwitchStatement. -// .endswitch - Marks the end of a SwitchStatement. -// .labeled NAME - Marks the beginning of a LabeledStatement with the -// supplied name. -// .endlabeled - Marks the end of a LabeledStatement. -// .try TRY, CATCH, FINALLY, END - Marks the beginning of a protected region, and the -// labels for each block. -// .catch (x) - Marks the beginning of a catch block. -// .finally - Marks the beginning of a finally block. -// .endfinally - Marks the end of a finally block. -// .endtry - Marks the end of a protected region. -// .throw (x) - Throws the value of the expression `x`. -// .return (x) - Returns the value of the expression `x`. -// -// In addition, the illustrative intermediate representation introduces some special -// variables: -// -// %sent% - Either returns the next value sent to the generator, -// returns the result of a delegated yield, or throws -// the exception sent to the generator. -// %error% - Returns the value of the current exception in a -// catch block. -// -// This intermediate representation is then compiled into JavaScript syntax. The resulting -// compilation output looks something like the following: -// -// function f() { -// var /*locals*/; -// /*functions*/ -// return __generator(function (state) { -// switch (state.label) { -// /*cases per label*/ -// } -// }); -// } -// -// Each of the above instructions corresponds to JavaScript emit similar to the following: -// -// .local NAME | var NAME; -// -------------------------------|---------------------------------------------- -// .mark LABEL | case LABEL: -// -------------------------------|---------------------------------------------- -// .br LABEL | return [3 /*break*/, LABEL]; -// -------------------------------|---------------------------------------------- -// .brtrue LABEL, (x) | if (x) return [3 /*break*/, LABEL]; -// -------------------------------|---------------------------------------------- -// .brfalse LABEL, (x) | if (!(x)) return [3, /*break*/, LABEL]; -// -------------------------------|---------------------------------------------- -// .yield (x) | return [4 /*yield*/, x]; -// .mark RESUME | case RESUME: -// a = %sent%; | a = state.sent(); -// -------------------------------|---------------------------------------------- -// .yieldstar (x) | return [5 /*yield**/, x]; -// .mark RESUME | case RESUME: -// a = %sent%; | a = state.sent(); -// -------------------------------|---------------------------------------------- -// .with (_a) | with (_a) { -// a(); | a(); -// | } -// | state.label = LABEL; -// .mark LABEL | case LABEL: -// | with (_a) { -// b(); | b(); -// | } -// .endwith | -// -------------------------------|---------------------------------------------- -// | case 0: -// | state.trys = []; -// | ... -// .try TRY, CATCH, FINALLY, END | -// .mark TRY | case TRY: -// | state.trys.push([TRY, CATCH, FINALLY, END]); -// .nop | -// a(); | a(); -// .br END | return [3 /*break*/, END]; -// .catch (e) | -// .mark CATCH | case CATCH: -// | e = state.sent(); -// b(); | b(); -// .br END | return [3 /*break*/, END]; -// .finally | -// .mark FINALLY | case FINALLY: -// c(); | c(); -// .endfinally | return [7 /*endfinally*/]; -// .endtry | -// .mark END | case END: /*@internal*/ var ts; (function (ts) { - var OpCode; - (function (OpCode) { - OpCode[OpCode["Nop"] = 0] = "Nop"; - OpCode[OpCode["Statement"] = 1] = "Statement"; - OpCode[OpCode["Assign"] = 2] = "Assign"; - OpCode[OpCode["Break"] = 3] = "Break"; - OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; - OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; - OpCode[OpCode["Yield"] = 6] = "Yield"; - OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; - OpCode[OpCode["Return"] = 8] = "Return"; - OpCode[OpCode["Throw"] = 9] = "Throw"; - OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; // Marks the end of a `finally` block - })(OpCode || (OpCode = {})); - // whether a generated code block is opening or closing at the current operation for a FunctionBuilder - var BlockAction; - (function (BlockAction) { - BlockAction[BlockAction["Open"] = 0] = "Open"; - BlockAction[BlockAction["Close"] = 1] = "Close"; - })(BlockAction || (BlockAction = {})); - // the kind for a generated code block in a FunctionBuilder - var CodeBlockKind; - (function (CodeBlockKind) { - CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; - CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; - CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; - CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; - CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; - })(CodeBlockKind || (CodeBlockKind = {})); - // the state for a generated code exception block - var ExceptionBlockState; - (function (ExceptionBlockState) { - ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; - ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; - ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; - ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; - })(ExceptionBlockState || (ExceptionBlockState = {})); - // NOTE: changes to this enum should be reflected in the __generator helper. - var Instruction; - (function (Instruction) { - Instruction[Instruction["Next"] = 0] = "Next"; - Instruction[Instruction["Throw"] = 1] = "Throw"; - Instruction[Instruction["Return"] = 2] = "Return"; - Instruction[Instruction["Break"] = 3] = "Break"; - Instruction[Instruction["Yield"] = 4] = "Yield"; - Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; - Instruction[Instruction["Catch"] = 6] = "Catch"; - Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; - })(Instruction || (Instruction = {})); - var instructionNames = ts.createMap((_a = {}, - _a[2 /* Return */] = "return", - _a[3 /* Break */] = "break", - _a[4 /* Yield */] = "yield", - _a[5 /* YieldStar */] = "yield*", - _a[7 /* Endfinally */] = "endfinally", - _a)); - function transformGenerators(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; - var compilerOptions = context.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var ES2015SubstitutionFlags; + (function (ES2015SubstitutionFlags) { + /** Enables substitutions for captured `this` */ + ES2015SubstitutionFlags[ES2015SubstitutionFlags["CapturedThis"] = 1] = "CapturedThis"; + /** Enables substitutions for block-scoped bindings. */ + ES2015SubstitutionFlags[ES2015SubstitutionFlags["BlockScopedBindings"] = 2] = "BlockScopedBindings"; + })(ES2015SubstitutionFlags || (ES2015SubstitutionFlags = {})); + var CopyDirection; + (function (CopyDirection) { + CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; + CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; + })(CopyDirection || (CopyDirection = {})); + var Jump; + (function (Jump) { + Jump[Jump["Break"] = 2] = "Break"; + Jump[Jump["Continue"] = 4] = "Continue"; + Jump[Jump["Return"] = 8] = "Return"; + })(Jump || (Jump = {})); + var SuperCaptureResult; + (function (SuperCaptureResult) { + /** + * A capture may have been added for calls to 'super', but + * the caller should emit subsequent statements normally. + */ + SuperCaptureResult[SuperCaptureResult["NoReplacement"] = 0] = "NoReplacement"; + /** + * A call to 'super()' got replaced with a capturing statement like: + * + * var _this = _super.call(...) || this; + * + * Callers should skip the current statement. + */ + SuperCaptureResult[SuperCaptureResult["ReplaceSuperCapture"] = 1] = "ReplaceSuperCapture"; + /** + * A call to 'super()' got replaced with a capturing statement like: + * + * return _super.call(...) || this; + * + * Callers should skip the current statement and avoid any returns of '_this'. + */ + SuperCaptureResult[SuperCaptureResult["ReplaceWithReturn"] = 2] = "ReplaceWithReturn"; + })(SuperCaptureResult || (SuperCaptureResult = {})); + function transformES2015(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; var resolver = context.getEmitResolver(); var previousOnSubstituteNode = context.onSubstituteNode; + var previousOnEmitNode = context.onEmitNode; + context.onEmitNode = onEmitNode; context.onSubstituteNode = onSubstituteNode; var currentSourceFile; - var renamedCatchVariables; - var renamedCatchVariableDeclarations; - var inGeneratorFunctionBody; - var inStatementContainingYield; - // The following three arrays store information about generated code blocks. - // All three arrays are correlated by their index. This approach is used over allocating - // objects to store the same information to avoid GC overhead. - // - var blocks; // Information about the code block - var blockOffsets; // The operation offset at which a code block begins or ends - var blockActions; // Whether the code block is opened or closed - var blockStack; // A stack of currently open code blocks - // Labels are used to mark locations in the code that can be the target of a Break (jump) - // operation. These are translated into case clauses in a switch statement. - // The following two arrays are correlated by their index. This approach is used over - // allocating objects to store the same information to avoid GC overhead. - // - var labelOffsets; // The operation offset at which the label is defined. - var labelExpressions; // The NumericLiteral nodes bound to each label. - var nextLabelId = 1; // The next label id to use. - // Operations store information about generated code for the function body. This - // Includes things like statements, assignments, breaks (jumps), and yields. - // The following three arrays are correlated by their index. This approach is used over - // allocating objects to store the same information to avoid GC overhead. - // - var operations; // The operation to perform. - var operationArguments; // The arguments to the operation. - var operationLocations; // The source map location for the operation. - var state; // The name of the state object used by the generator at runtime. - // The following variables store information used by the `build` function: - // - var blockIndex = 0; // The index of the current block. - var labelNumber = 0; // The current label number. - var labelNumbers; - var lastOperationWasAbrupt; // Indicates whether the last operation was abrupt (break/continue). - var lastOperationWasCompletion; // Indicates whether the last operation was a completion (return/throw). - var clauses; // The case clauses generated for labels. - var statements; // The statements for the current label. - var exceptionBlockStack; // A stack of containing exception blocks. - var currentExceptionBlock; // The current exception block. - var withBlockStack; // A stack containing `with` blocks. + var currentText; + var currentParent; + var currentNode; + var enclosingVariableStatement; + var enclosingBlockScopeContainer; + var enclosingBlockScopeContainerParent; + var enclosingFunction; + var enclosingNonArrowFunction; + var enclosingNonAsyncFunctionBody; + /** + * Used to track if we are emitting body of the converted loop + */ + var convertedLoopState; + /** + * Keeps track of whether substitutions have been enabled for specific cases. + * They are persisted between each SourceFile transformation and should not + * be reset. + */ + var enabledSubstitutions; return transformSourceFile; function transformSourceFile(node) { if (ts.isDeclarationFile(node)) { return node; } - if (node.transformFlags & 4096 /* ContainsGenerator */) { - currentSourceFile = node; - node = ts.visitEachChild(node, visitor, context); - currentSourceFile = undefined; - } - return node; + currentSourceFile = node; + currentText = node.text; + return ts.visitNode(node, visitor, ts.isSourceFile); } - /** - * Visits a node. - * - * @param node The node to visit. - */ function visitor(node) { - var transformFlags = node.transformFlags; - if (inStatementContainingYield) { - return visitJavaScriptInStatementContainingYield(node); - } - else if (inGeneratorFunctionBody) { - return visitJavaScriptInGeneratorFunctionBody(node); + return saveStateAndInvoke(node, dispatcher); + } + function dispatcher(node) { + return convertedLoopState + ? visitorForConvertedLoopWorker(node) + : visitorWorker(node); + } + function saveStateAndInvoke(node, f) { + var savedEnclosingFunction = enclosingFunction; + var savedEnclosingNonArrowFunction = enclosingNonArrowFunction; + var savedEnclosingNonAsyncFunctionBody = enclosingNonAsyncFunctionBody; + var savedEnclosingBlockScopeContainer = enclosingBlockScopeContainer; + var savedEnclosingBlockScopeContainerParent = enclosingBlockScopeContainerParent; + var savedEnclosingVariableStatement = enclosingVariableStatement; + var savedCurrentParent = currentParent; + var savedCurrentNode = currentNode; + var savedConvertedLoopState = convertedLoopState; + if (ts.nodeStartsNewLexicalEnvironment(node)) { + // don't treat content of nodes that start new lexical environment as part of converted loop copy + convertedLoopState = undefined; } - else if (transformFlags & 2048 /* Generator */) { - return visitGenerator(node); + onBeforeVisitNode(node); + var visited = f(node); + convertedLoopState = savedConvertedLoopState; + enclosingFunction = savedEnclosingFunction; + enclosingNonArrowFunction = savedEnclosingNonArrowFunction; + enclosingNonAsyncFunctionBody = savedEnclosingNonAsyncFunctionBody; + enclosingBlockScopeContainer = savedEnclosingBlockScopeContainer; + enclosingBlockScopeContainerParent = savedEnclosingBlockScopeContainerParent; + enclosingVariableStatement = savedEnclosingVariableStatement; + currentParent = savedCurrentParent; + currentNode = savedCurrentNode; + return visited; + } + function shouldCheckNode(node) { + return (node.transformFlags & 256 /* ES2015 */) !== 0 || + node.kind === 215 /* LabeledStatement */ || + (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node)); + } + function visitorWorker(node) { + if (shouldCheckNode(node)) { + return visitJavaScript(node); } - else if (transformFlags & 4096 /* ContainsGenerator */) { + else if (node.transformFlags & 512 /* ContainsES2015 */) { return ts.visitEachChild(node, visitor, context); } else { return node; } } - /** - * Visits a node that is contained within a statement that contains yield. - * - * @param node The node to visit. - */ - function visitJavaScriptInStatementContainingYield(node) { - switch (node.kind) { - case 205 /* DoStatement */: - return visitDoStatement(node); - case 206 /* WhileStatement */: - return visitWhileStatement(node); - case 214 /* SwitchStatement */: - return visitSwitchStatement(node); - case 215 /* LabeledStatement */: - return visitLabeledStatement(node); - default: - return visitJavaScriptInGeneratorFunctionBody(node); + function visitorForConvertedLoopWorker(node) { + var result; + if (shouldCheckNode(node)) { + result = visitJavaScript(node); } + else { + result = visitNodesInConvertedLoop(node); + } + return result; } - /** - * Visits a node that is contained within a generator function. - * - * @param node The node to visit. - */ - function visitJavaScriptInGeneratorFunctionBody(node) { + function visitNodesInConvertedLoop(node) { switch (node.kind) { - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 180 /* FunctionExpression */: - return visitFunctionExpression(node); - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - return visitAccessorDeclaration(node); + case 212 /* ReturnStatement */: + return visitReturnStatement(node); case 201 /* VariableStatement */: return visitVariableStatement(node); - case 207 /* ForStatement */: - return visitForStatement(node); - case 208 /* ForInStatement */: - return visitForInStatement(node); + case 214 /* SwitchStatement */: + return visitSwitchStatement(node); case 211 /* BreakStatement */: - return visitBreakStatement(node); case 210 /* ContinueStatement */: - return visitContinueStatement(node); - case 212 /* ReturnStatement */: - return visitReturnStatement(node); + return visitBreakOrContinueStatement(node); + case 98 /* ThisKeyword */: + return visitThisKeyword(node); + case 70 /* Identifier */: + return visitIdentifier(node); default: - if (node.transformFlags & 16777216 /* ContainsYield */) { - return visitJavaScriptContainingYield(node); - } - else if (node.transformFlags & (4096 /* ContainsGenerator */ | 33554432 /* ContainsHoistedDeclarationOrCompletion */)) { - return ts.visitEachChild(node, visitor, context); - } - else { - return node; - } + return ts.visitEachChild(node, visitor, context); } } - /** - * Visits a node that contains a YieldExpression. - * - * @param node The node to visit. - */ - function visitJavaScriptContainingYield(node) { + function visitJavaScript(node) { switch (node.kind) { - case 188 /* BinaryExpression */: - return visitBinaryExpression(node); - case 189 /* ConditionalExpression */: - return visitConditionalExpression(node); - case 191 /* YieldExpression */: - return visitYieldExpression(node); - case 171 /* ArrayLiteralExpression */: - return visitArrayLiteralExpression(node); + case 83 /* ExportKeyword */: + return node; + case 222 /* ClassDeclaration */: + return visitClassDeclaration(node); + case 193 /* ClassExpression */: + return visitClassExpression(node); + case 143 /* Parameter */: + return visitParameter(node); + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 181 /* ArrowFunction */: + return visitArrowFunction(node); + case 180 /* FunctionExpression */: + return visitFunctionExpression(node); + case 219 /* VariableDeclaration */: + return visitVariableDeclaration(node); + case 70 /* Identifier */: + return visitIdentifier(node); + case 220 /* VariableDeclarationList */: + return visitVariableDeclarationList(node); + case 215 /* LabeledStatement */: + return visitLabeledStatement(node); + case 205 /* DoStatement */: + return visitDoStatement(node); + case 206 /* WhileStatement */: + return visitWhileStatement(node); + case 207 /* ForStatement */: + return visitForStatement(node); + case 208 /* ForInStatement */: + return visitForInStatement(node); + case 209 /* ForOfStatement */: + return visitForOfStatement(node); + case 203 /* ExpressionStatement */: + return visitExpressionStatement(node); case 172 /* ObjectLiteralExpression */: return visitObjectLiteralExpression(node); - case 174 /* ElementAccessExpression */: - return visitElementAccessExpression(node); + case 252 /* CatchClause */: + return visitCatchClause(node); + case 254 /* ShorthandPropertyAssignment */: + return visitShorthandPropertyAssignment(node); + case 171 /* ArrayLiteralExpression */: + return visitArrayLiteralExpression(node); case 175 /* CallExpression */: return visitCallExpression(node); case 176 /* NewExpression */: return visitNewExpression(node); - default: + case 179 /* ParenthesizedExpression */: + return visitParenthesizedExpression(node, /*needsDestructuringValue*/ true); + case 188 /* BinaryExpression */: + return visitBinaryExpression(node, /*needsDestructuringValue*/ true); + case 12 /* NoSubstitutionTemplateLiteral */: + case 13 /* TemplateHead */: + case 14 /* TemplateMiddle */: + case 15 /* TemplateTail */: + return visitTemplateLiteral(node); + case 177 /* TaggedTemplateExpression */: + return visitTaggedTemplateExpression(node); + case 190 /* TemplateExpression */: + return visitTemplateExpression(node); + case 191 /* YieldExpression */: + return visitYieldExpression(node); + case 96 /* SuperKeyword */: + return visitSuperKeyword(); + case 191 /* YieldExpression */: + // `yield` will be handled by a generators transform. return ts.visitEachChild(node, visitor, context); - } - } - /** - * Visits a generator function. - * - * @param node The node to visit. - */ - function visitGenerator(node) { - switch (node.kind) { - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 180 /* FunctionExpression */: - return visitFunctionExpression(node); + case 148 /* MethodDeclaration */: + return visitMethodDeclaration(node); + case 256 /* SourceFile */: + return visitSourceFileNode(node); + case 201 /* VariableStatement */: + return visitVariableStatement(node); default: ts.Debug.failBadSyntaxKind(node); return ts.visitEachChild(node, visitor, context); } } - /** - * Visits a function declaration. - * - * This will be called when one of the following conditions are met: - * - The function declaration is a generator function. - * - The function declaration is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitFunctionDeclaration(node) { - // Currently, we only support generators that were originally async functions. - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { - node = ts.setOriginalNode(ts.createFunctionDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, node.name, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, transformGeneratorFunctionBody(node.body), - /*location*/ node), node); - } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - } - if (inGeneratorFunctionBody) { - // Function declarations in a generator function body are hoisted - // to the top of the lexical scope and elided from the current statement. - hoistFunctionDeclaration(node); - return undefined; - } - else { - return node; - } - } - /** - * Visits a function expression. - * - * This will be called when one of the following conditions are met: - * - The function expression is a generator function. - * - The function expression is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitFunctionExpression(node) { - // Currently, we only support generators that were originally async functions. - if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { - node = ts.setOriginalNode(ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, node.name, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, transformGeneratorFunctionBody(node.body), - /*location*/ node), node); - } - else { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - } - return node; - } - /** - * Visits a get or set accessor declaration. - * - * This will be called when one of the following conditions are met: - * - The accessor is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitAccessorDeclaration(node) { - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - inGeneratorFunctionBody = false; - inStatementContainingYield = false; - node = ts.visitEachChild(node, visitor, context); - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - return node; - } - /** - * Transforms the body of a generator function declaration. - * - * @param node The function body to transform. - */ - function transformGeneratorFunctionBody(body) { - // Save existing generator state - var statements = []; - var savedInGeneratorFunctionBody = inGeneratorFunctionBody; - var savedInStatementContainingYield = inStatementContainingYield; - var savedBlocks = blocks; - var savedBlockOffsets = blockOffsets; - var savedBlockActions = blockActions; - var savedBlockStack = blockStack; - var savedLabelOffsets = labelOffsets; - var savedLabelExpressions = labelExpressions; - var savedNextLabelId = nextLabelId; - var savedOperations = operations; - var savedOperationArguments = operationArguments; - var savedOperationLocations = operationLocations; - var savedState = state; - // Initialize generator state - inGeneratorFunctionBody = true; - inStatementContainingYield = false; - blocks = undefined; - blockOffsets = undefined; - blockActions = undefined; - blockStack = undefined; - labelOffsets = undefined; - labelExpressions = undefined; - nextLabelId = 1; - operations = undefined; - operationArguments = undefined; - operationLocations = undefined; - state = ts.createTempVariable(/*recordTempVariable*/ undefined); - // Build the generator - startLexicalEnvironment(); - var statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); - transformAndEmitStatements(body.statements, statementOffset); - var buildResult = build(); - ts.addRange(statements, endLexicalEnvironment()); - statements.push(ts.createReturn(buildResult)); - // Restore previous generator state - inGeneratorFunctionBody = savedInGeneratorFunctionBody; - inStatementContainingYield = savedInStatementContainingYield; - blocks = savedBlocks; - blockOffsets = savedBlockOffsets; - blockActions = savedBlockActions; - blockStack = savedBlockStack; - labelOffsets = savedLabelOffsets; - labelExpressions = savedLabelExpressions; - nextLabelId = savedNextLabelId; - operations = savedOperations; - operationArguments = savedOperationArguments; - operationLocations = savedOperationLocations; - state = savedState; - return ts.createBlock(statements, /*location*/ body, body.multiLine); - } - /** - * Visits a variable statement. - * - * This will be called when one of the following conditions are met: - * - The variable statement is contained within the body of a generator function. - * - * @param node The node to visit. - */ - function visitVariableStatement(node) { - if (node.transformFlags & 16777216 /* ContainsYield */) { - transformAndEmitVariableDeclarationList(node.declarationList); - return undefined; - } - else { - // Do not hoist custom prologues. - if (ts.getEmitFlags(node) & 8388608 /* CustomPrologue */) { - return node; + function onBeforeVisitNode(node) { + if (currentNode) { + if (ts.isBlockScope(currentNode, currentParent)) { + enclosingBlockScopeContainer = currentNode; + enclosingBlockScopeContainerParent = currentParent; } - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + if (ts.isFunctionLike(currentNode)) { + enclosingFunction = currentNode; + if (currentNode.kind !== 181 /* ArrowFunction */) { + enclosingNonArrowFunction = currentNode; + if (!(ts.getEmitFlags(currentNode) & 2097152 /* AsyncFunctionBody */)) { + enclosingNonAsyncFunctionBody = currentNode; + } + } } - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length === 0) { - return undefined; + // keep track of the enclosing variable statement when in the context of + // variable statements, variable declarations, binding elements, and binding + // patterns. + switch (currentNode.kind) { + case 201 /* VariableStatement */: + enclosingVariableStatement = currentNode; + break; + case 220 /* VariableDeclarationList */: + case 219 /* VariableDeclaration */: + case 170 /* BindingElement */: + case 168 /* ObjectBindingPattern */: + case 169 /* ArrayBindingPattern */: + break; + default: + enclosingVariableStatement = undefined; } - return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); } + currentParent = currentNode; + currentNode = node; } - /** - * Visits a binary expression. - * - * This will be called when one of the following conditions are met: - * - The node contains a YieldExpression. - * - * @param node The node to visit. - */ - function visitBinaryExpression(node) { - switch (ts.getExpressionAssociativity(node)) { - case 0 /* Left */: - return visitLeftAssociativeBinaryExpression(node); - case 1 /* Right */: - return visitRightAssociativeBinaryExpression(node); - default: - ts.Debug.fail("Unknown associativity."); - } + function visitSwitchStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + var savedAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + // for switch statement allow only non-labeled break + convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; + var result = ts.visitEachChild(node, visitor, context); + convertedLoopState.allowedNonLabeledJumps = savedAllowedNonLabeledJumps; + return result; } - function isCompoundAssignment(kind) { - return kind >= 58 /* FirstCompoundAssignment */ - && kind <= 69 /* LastCompoundAssignment */; + function visitReturnStatement(node) { + ts.Debug.assert(convertedLoopState !== undefined); + convertedLoopState.nonLocalJumps |= 8 /* Return */; + return ts.createReturn(ts.createObjectLiteral([ + ts.createPropertyAssignment(ts.createIdentifier("value"), node.expression + ? ts.visitNode(node.expression, visitor, ts.isExpression) + : ts.createVoidZero()) + ])); } - function getOperatorForCompoundAssignment(kind) { - switch (kind) { - case 58 /* PlusEqualsToken */: return 36 /* PlusToken */; - case 59 /* MinusEqualsToken */: return 37 /* MinusToken */; - case 60 /* AsteriskEqualsToken */: return 38 /* AsteriskToken */; - case 61 /* AsteriskAsteriskEqualsToken */: return 39 /* AsteriskAsteriskToken */; - case 62 /* SlashEqualsToken */: return 40 /* SlashToken */; - case 63 /* PercentEqualsToken */: return 41 /* PercentToken */; - case 64 /* LessThanLessThanEqualsToken */: return 44 /* LessThanLessThanToken */; - case 65 /* GreaterThanGreaterThanEqualsToken */: return 45 /* GreaterThanGreaterThanToken */; - case 66 /* GreaterThanGreaterThanGreaterThanEqualsToken */: return 46 /* GreaterThanGreaterThanGreaterThanToken */; - case 67 /* AmpersandEqualsToken */: return 47 /* AmpersandToken */; - case 68 /* BarEqualsToken */: return 48 /* BarToken */; - case 69 /* CaretEqualsToken */: return 49 /* CaretToken */; + function visitThisKeyword(node) { + ts.Debug.assert(convertedLoopState !== undefined); + if (enclosingFunction && enclosingFunction.kind === 181 /* ArrowFunction */) { + // if the enclosing function is an ArrowFunction is then we use the captured 'this' keyword. + convertedLoopState.containsLexicalThis = true; + return node; } + return convertedLoopState.thisName || (convertedLoopState.thisName = ts.createUniqueName("this")); } - /** - * Visits a right-associative binary expression containing `yield`. - * - * @param node The node to visit. - */ - function visitRightAssociativeBinaryExpression(node) { - var left = node.left, right = node.right; - if (containsYield(right)) { - var target = void 0; - switch (left.kind) { - case 173 /* PropertyAccessExpression */: - // [source] - // a.b = yield; - // - // [intermediate] - // .local _a - // _a = a; - // .yield resumeLabel - // .mark resumeLabel - // _a.b = %sent%; - target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); - break; - case 174 /* ElementAccessExpression */: - // [source] - // a[b] = yield; - // - // [intermediate] - // .local _a, _b - // _a = a; - // _b = b; - // .yield resumeLabel - // .mark resumeLabel - // _a[_b] = %sent%; - target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); - break; - default: - target = ts.visitNode(left, visitor, ts.isExpression); - break; - } - var operator = node.operatorToken.kind; - if (isCompoundAssignment(operator)) { - return ts.createBinary(target, 57 /* EqualsToken */, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); - } - else { - return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); - } + function visitIdentifier(node) { + if (!convertedLoopState) { + return node; } - return ts.visitEachChild(node, visitor, context); + if (ts.isGeneratedIdentifier(node)) { + return node; + } + if (node.text !== "arguments" && !resolver.isArgumentsLocalBinding(node)) { + return node; + } + return convertedLoopState.argumentsName || (convertedLoopState.argumentsName = ts.createUniqueName("arguments")); } - function visitLeftAssociativeBinaryExpression(node) { - if (containsYield(node.right)) { - if (ts.isLogicalOperator(node.operatorToken.kind)) { - return visitLogicalBinaryExpression(node); - } - else if (node.operatorToken.kind === 25 /* CommaToken */) { - return visitCommaExpression(node); + function visitBreakOrContinueStatement(node) { + if (convertedLoopState) { + // check if we can emit break/continue as is + // it is possible if either + // - break/continue is labeled and label is located inside the converted loop + // - break/continue is non-labeled and located in non-converted loop/switch statement + var jump = node.kind === 211 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + var labelMarker = void 0; + if (!node.label) { + if (node.kind === 211 /* BreakStatement */) { + convertedLoopState.nonLocalJumps |= 2 /* Break */; + labelMarker = "break"; + } + else { + convertedLoopState.nonLocalJumps |= 4 /* Continue */; + // note: return value is emitted only to simplify debugging, call to converted loop body does not do any dispatching on it. + labelMarker = "continue"; + } + } + else { + if (node.kind === 211 /* BreakStatement */) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); + } + } + var returnExpression = ts.createLiteral(labelMarker); + if (convertedLoopState.loopOutParameters.length) { + var outParams = convertedLoopState.loopOutParameters; + var expr = void 0; + for (var i = 0; i < outParams.length; i++) { + var copyExpr = copyOutParameter(outParams[i], 1 /* ToOutParameter */); + if (i === 0) { + expr = copyExpr; + } + else { + expr = ts.createBinary(expr, 25 /* CommaToken */, copyExpr); + } + } + returnExpression = ts.createBinary(expr, 25 /* CommaToken */, returnExpression); + } + return ts.createReturn(returnExpression); } - // [source] - // a() + (yield) + c() - // - // [intermediate] - // .local _a - // _a = a(); - // .yield resumeLabel - // _a + %sent% + c() - var clone_6 = ts.getMutableClone(node); - clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); - clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); - return clone_6; } return ts.visitEachChild(node, visitor, context); } /** - * Visits a logical binary expression containing `yield`. + * Visits a ClassDeclaration and transforms it into a variable statement. * - * @param node A node to visit. + * @param node A ClassDeclaration node. */ - function visitLogicalBinaryExpression(node) { - // Logical binary expressions (`&&` and `||`) are shortcutting expressions and need - // to be transformed as such: - // - // [source] - // x = a() && yield; - // - // [intermediate] - // .local _a - // _a = a(); - // .brfalse resultLabel, (_a) - // .yield resumeLabel - // .mark resumeLabel - // _a = %sent%; - // .mark resultLabel - // x = _a; - // + function visitClassDeclaration(node) { // [source] - // x = a() || yield; + // class C { } // - // [intermediate] - // .local _a - // _a = a(); - // .brtrue resultLabel, (_a) - // .yield resumeLabel - // .mark resumeLabel - // _a = %sent%; - // .mark resultLabel - // x = _a; - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), /*location*/ node.left); - if (node.operatorToken.kind === 52 /* AmpersandAmpersandToken */) { - // Logical `&&` shortcuts when the left-hand operand is falsey. - emitBreakWhenFalse(resultLabel, resultLocal, /*location*/ node.left); - } - else { - // Logical `||` shortcuts when the left-hand operand is truthy. - emitBreakWhenTrue(resultLabel, resultLocal, /*location*/ node.left); + // [output] + // var C = (function () { + // function C() { + // } + // return C; + // }()); + var modifierFlags = ts.getModifierFlags(node); + var isExported = modifierFlags & 1 /* Export */; + var isDefault = modifierFlags & 512 /* Default */; + // Add an `export` modifier to the statement if needed (for `--target es5 --module es6`) + var modifiers = isExported && !isDefault + ? ts.filter(node.modifiers, isExportModifier) + : undefined; + var statement = ts.createVariableStatement(modifiers, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(getDeclarationName(node, /*allowComments*/ true), + /*type*/ undefined, transformClassLikeDeclarationToExpression(node)) + ]), + /*location*/ node); + ts.setOriginalNode(statement, node); + ts.startOnNewLine(statement); + // Add an `export default` statement for default exports (for `--target es5 --module es6`) + if (isExported && isDefault) { + var statements = [statement]; + statements.push(ts.createExportAssignment( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*isExportEquals*/ false, getDeclarationName(node, /*allowComments*/ false))); + return statements; } - emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), /*location*/ node.right); - markLabel(resultLabel); - return resultLocal; + return statement; } - /** - * Visits a comma expression containing `yield`. - * - * @param node The node to visit. - */ - function visitCommaExpression(node) { - // [source] - // x = a(), yield, b(); - // - // [intermediate] - // a(); - // .yield resumeLabel - // .mark resumeLabel - // x = %sent%, b(); - var pendingExpressions = []; - visit(node.left); - visit(node.right); - return ts.inlineExpressions(pendingExpressions); - function visit(node) { - if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25 /* CommaToken */) { - visit(node.left); - visit(node.right); - } - else { - if (containsYield(node) && pendingExpressions.length > 0) { - emitWorker(1 /* Statement */, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); - pendingExpressions = []; - } - pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); - } - } + function isExportModifier(node) { + return node.kind === 83 /* ExportKeyword */; } /** - * Visits a conditional expression containing `yield`. + * Visits a ClassExpression and transforms it into an expression. * - * @param node The node to visit. + * @param node A ClassExpression node. */ - function visitConditionalExpression(node) { + function visitClassExpression(node) { // [source] - // x = a() ? yield : b(); + // C = class { } // - // [intermediate] - // .local _a - // .brfalse whenFalseLabel, (a()) - // .yield resumeLabel - // .mark resumeLabel - // _a = %sent%; - // .br resultLabel - // .mark whenFalseLabel - // _a = b(); - // .mark resultLabel - // x = _a; - // We only need to perform a specific transformation if a `yield` expression exists - // in either the `whenTrue` or `whenFalse` branches. - // A `yield` in the condition will be handled by the normal visitor. - if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { - var whenFalseLabel = defineLabel(); - var resultLabel = defineLabel(); - var resultLocal = declareLocal(); - emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), /*location*/ node.condition); - emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), /*location*/ node.whenTrue); - emitBreak(resultLabel); - markLabel(whenFalseLabel); - emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), /*location*/ node.whenFalse); - markLabel(resultLabel); - return resultLocal; - } - return ts.visitEachChild(node, visitor, context); + // [output] + // C = (function () { + // function class_1() { + // } + // return class_1; + // }()) + return transformClassLikeDeclarationToExpression(node); } /** - * Visits a `yield` expression. + * Transforms a ClassExpression or ClassDeclaration into an expression. * - * @param node The node to visit. + * @param node A ClassExpression or ClassDeclaration node. */ - function visitYieldExpression(node) { + function transformClassLikeDeclarationToExpression(node) { // [source] - // x = yield a(); + // class C extends D { + // constructor() {} + // method() {} + // get prop() {} + // set prop(v) {} + // } // - // [intermediate] - // .yield resumeLabel, (a()) - // .mark resumeLabel - // x = %sent%; - // NOTE: we are explicitly not handling YieldStar at this time. - var resumeLabel = defineLabel(); - var expression = ts.visitNode(node.expression, visitor, ts.isExpression); - if (node.asteriskToken) { - emitYieldStar(expression, /*location*/ node); + // [output] + // (function (_super) { + // __extends(C, _super); + // function C() { + // } + // C.prototype.method = function () {} + // Object.defineProperty(C.prototype, "prop", { + // get: function() {}, + // set: function() {}, + // enumerable: true, + // configurable: true + // }); + // return C; + // }(D)) + if (node.name) { + enableSubstitutionsForBlockScopedBindings(); } - else { - emitYield(expression, /*location*/ node); + var extendsClauseElement = ts.getClassExtendsHeritageClauseElement(node); + var classFunction = ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, extendsClauseElement ? [ts.createParameter("_super")] : [], + /*type*/ undefined, transformClassBody(node, extendsClauseElement)); + // To preserve the behavior of the old emitter, we explicitly indent + // the body of the function here if it was requested in an earlier + // transformation. + if (ts.getEmitFlags(node) & 524288 /* Indented */) { + ts.setEmitFlags(classFunction, 524288 /* Indented */); } - markLabel(resumeLabel); - return createGeneratorResume(); + // "inner" and "outer" below are added purely to preserve source map locations from + // the old emitter + var inner = ts.createPartiallyEmittedExpression(classFunction); + inner.end = node.end; + ts.setEmitFlags(inner, 49152 /* NoComments */); + var outer = ts.createPartiallyEmittedExpression(inner); + outer.end = ts.skipTrivia(currentText, node.pos); + ts.setEmitFlags(outer, 49152 /* NoComments */); + return ts.createParen(ts.createCall(outer, + /*typeArguments*/ undefined, extendsClauseElement + ? [ts.visitNode(extendsClauseElement.expression, visitor, ts.isExpression)] + : [])); } /** - * Visits an ArrayLiteralExpression that contains a YieldExpression. + * Transforms a ClassExpression or ClassDeclaration into a function body. * - * @param node The node to visit. + * @param node A ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. */ - function visitArrayLiteralExpression(node) { - return visitElements(node.elements, node.multiLine); + function transformClassBody(node, extendsClauseElement) { + var statements = []; + startLexicalEnvironment(); + addExtendsHelperIfNeeded(statements, node, extendsClauseElement); + addConstructor(statements, node, extendsClauseElement); + addClassMembers(statements, node); + // Create a synthetic text range for the return statement. + var closingBraceLocation = ts.createTokenRange(ts.skipTrivia(currentText, node.members.end), 17 /* CloseBraceToken */); + var localName = getLocalName(node); + // The following partially-emitted expression exists purely to align our sourcemap + // emit with the original emitter. + var outer = ts.createPartiallyEmittedExpression(localName); + outer.end = closingBraceLocation.end; + ts.setEmitFlags(outer, 49152 /* NoComments */); + var statement = ts.createReturn(outer); + statement.pos = closingBraceLocation.pos; + ts.setEmitFlags(statement, 49152 /* NoComments */ | 12288 /* NoTokenSourceMaps */); + statements.push(statement); + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, /*location*/ node.members), /*location*/ undefined, /*multiLine*/ true); + ts.setEmitFlags(block, 49152 /* NoComments */); + return block; } /** - * Visits an array of expressions containing one or more YieldExpression nodes - * and returns an expression for the resulting value. + * Adds a call to the `__extends` helper if needed for a class. * - * @param elements The elements to visit. - * @param multiLine Whether array literals created should be emitted on multiple lines. + * @param statements The statements of the class body function. + * @param node The ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. */ - function visitElements(elements, _multiLine) { - // [source] - // ar = [1, yield, 2]; - // - // [intermediate] - // .local _a - // _a = [1]; - // .yield resumeLabel - // .mark resumeLabel - // ar = _a.concat([%sent%, 2]); - var numInitialElements = countInitialNodesWithoutYield(elements); - var temp = declareLocal(); - var hasAssignedTemp = false; - if (numInitialElements > 0) { - emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); - hasAssignedTemp = true; - } - var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); - return hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions); - function reduceElement(expressions, element) { - if (containsYield(element) && expressions.length > 0) { - emitAssignment(temp, hasAssignedTemp - ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) - : ts.createArrayLiteral(expressions)); - hasAssignedTemp = true; - expressions = []; - } - expressions.push(ts.visitNode(element, visitor, ts.isExpression)); - return expressions; - } - } - function visitObjectLiteralExpression(node) { - // [source] - // o = { - // a: 1, - // b: yield, - // c: 2 - // }; - // - // [intermediate] - // .local _a - // _a = { - // a: 1 - // }; - // .yield resumeLabel - // .mark resumeLabel - // o = (_a.b = %sent%, - // _a.c = 2, - // _a); - var properties = node.properties; - var multiLine = node.multiLine; - var numInitialProperties = countInitialNodesWithoutYield(properties); - var temp = declareLocal(); - emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), - /*location*/ undefined, multiLine)); - var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); - expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); - return ts.inlineExpressions(expressions); - function reduceProperty(expressions, property) { - if (containsYield(property) && expressions.length > 0) { - emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); - expressions = []; - } - var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); - var visited = ts.visitNode(expression, visitor, ts.isExpression); - if (visited) { - if (multiLine) { - visited.startsOnNewLine = true; - } - expressions.push(visited); - } - return expressions; + function addExtendsHelperIfNeeded(statements, node, extendsClauseElement) { + if (extendsClauseElement) { + statements.push(ts.createStatement(ts.createExtendsHelper(currentSourceFile.externalHelpersModuleName, getDeclarationName(node)), + /*location*/ extendsClauseElement)); } } /** - * Visits an ElementAccessExpression that contains a YieldExpression. + * Adds the constructor of the class to a class body function. * - * @param node The node to visit. + * @param statements The statements of the class body function. + * @param node The ClassExpression or ClassDeclaration node. + * @param extendsClauseElement The expression for the class `extends` clause. */ - function visitElementAccessExpression(node) { - if (containsYield(node.argumentExpression)) { - // [source] - // a = x[yield]; - // - // [intermediate] - // .local _a - // _a = x; - // .yield resumeLabel - // .mark resumeLabel - // a = _a[%sent%] - var clone_7 = ts.getMutableClone(node); - clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); - clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); - return clone_7; - } - return ts.visitEachChild(node, visitor, context); - } - function visitCallExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - // [source] - // a.b(1, yield, 2); - // - // [intermediate] - // .local _a, _b, _c - // _b = (_a = a).b; - // _c = [1]; - // .yield resumeLabel - // .mark resumeLabel - // _b.apply(_a, _c.concat([%sent%, 2])); - var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, /*cacheIdentifiers*/ true), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), - /*location*/ node), node); - } - return ts.visitEachChild(node, visitor, context); - } - function visitNewExpression(node) { - if (ts.forEach(node.arguments, containsYield)) { - // [source] - // new a.b(1, yield, 2); - // - // [intermediate] - // .local _a, _b, _c - // _b = (_a = a.b).bind; - // _c = [1]; - // .yield resumeLabel - // .mark resumeLabel - // new (_b.apply(_a, _c.concat([%sent%, 2]))); - var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; - return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), - /*typeArguments*/ undefined, [], - /*location*/ node), node); + function addConstructor(statements, node, extendsClauseElement) { + var constructor = ts.getFirstConstructorWithBody(node); + var hasSynthesizedSuper = hasSynthesizedDefaultSuperCall(constructor, extendsClauseElement !== undefined); + var constructorFunction = ts.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, getDeclarationName(node), + /*typeParameters*/ undefined, transformConstructorParameters(constructor, hasSynthesizedSuper), + /*type*/ undefined, transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper), + /*location*/ constructor || node); + if (extendsClauseElement) { + ts.setEmitFlags(constructorFunction, 256 /* CapturesThis */); } - return ts.visitEachChild(node, visitor, context); + statements.push(constructorFunction); } - function transformAndEmitStatements(statements, start) { - if (start === void 0) { start = 0; } - var numStatements = statements.length; - for (var i = start; i < numStatements; i++) { - transformAndEmitStatement(statements[i]); + /** + * Transforms the parameters of the constructor declaration of a class. + * + * @param constructor The constructor for the class. + * @param hasSynthesizedSuper A value indicating whether the constructor starts with a + * synthesized `super` call. + */ + function transformConstructorParameters(constructor, hasSynthesizedSuper) { + // If the TypeScript transformer needed to synthesize a constructor for property + // initializers, it would have also added a synthetic `...args` parameter and + // `super` call. + // If this is the case, we do not include the synthetic `...args` parameter and + // will instead use the `arguments` object in ES5/3. + if (constructor && !hasSynthesizedSuper) { + return ts.visitNodes(constructor.parameters, visitor, ts.isParameter); } + return []; } - function transformAndEmitEmbeddedStatement(node) { - if (ts.isBlock(node)) { - transformAndEmitStatements(node.statements); - } - else { - transformAndEmitStatement(node); + /** + * Transforms the body of a constructor declaration of a class. + * + * @param constructor The constructor for the class. + * @param node The node which contains the constructor. + * @param extendsClauseElement The expression for the class `extends` clause. + * @param hasSynthesizedSuper A value indicating whether the constructor starts with a + * synthesized `super` call. + */ + function transformConstructorBody(constructor, node, extendsClauseElement, hasSynthesizedSuper) { + var statements = []; + startLexicalEnvironment(); + var statementOffset = -1; + if (hasSynthesizedSuper) { + // If a super call has already been synthesized, + // we're going to assume that we should just transform everything after that. + // The assumption is that no prior step in the pipeline has added any prologue directives. + statementOffset = 1; } - } - function transformAndEmitStatement(node) { - var savedInStatementContainingYield = inStatementContainingYield; - if (!inStatementContainingYield) { - inStatementContainingYield = containsYield(node); + else if (constructor) { + // Otherwise, try to emit all potential prologue directives first. + statementOffset = ts.addPrologueDirectives(statements, constructor.body.statements, /*ensureUseStrict*/ false, visitor); } - transformAndEmitStatementWorker(node); - inStatementContainingYield = savedInStatementContainingYield; - } - function transformAndEmitStatementWorker(node) { - switch (node.kind) { - case 200 /* Block */: - return transformAndEmitBlock(node); - case 203 /* ExpressionStatement */: - return transformAndEmitExpressionStatement(node); - case 204 /* IfStatement */: - return transformAndEmitIfStatement(node); - case 205 /* DoStatement */: - return transformAndEmitDoStatement(node); - case 206 /* WhileStatement */: - return transformAndEmitWhileStatement(node); - case 207 /* ForStatement */: - return transformAndEmitForStatement(node); - case 208 /* ForInStatement */: - return transformAndEmitForInStatement(node); - case 210 /* ContinueStatement */: - return transformAndEmitContinueStatement(node); - case 211 /* BreakStatement */: - return transformAndEmitBreakStatement(node); - case 212 /* ReturnStatement */: - return transformAndEmitReturnStatement(node); - case 213 /* WithStatement */: - return transformAndEmitWithStatement(node); - case 214 /* SwitchStatement */: - return transformAndEmitSwitchStatement(node); - case 215 /* LabeledStatement */: - return transformAndEmitLabeledStatement(node); - case 216 /* ThrowStatement */: - return transformAndEmitThrowStatement(node); - case 217 /* TryStatement */: - return transformAndEmitTryStatement(node); - default: - return emitStatement(ts.visitNode(node, visitor, ts.isStatement, /*optional*/ true)); + if (constructor) { + addDefaultValueAssignmentsIfNeeded(statements, constructor); + addRestParameterIfNeeded(statements, constructor, hasSynthesizedSuper); + ts.Debug.assert(statementOffset >= 0, "statementOffset not initialized correctly!"); } - } - function transformAndEmitBlock(node) { - if (containsYield(node)) { - transformAndEmitStatements(node.statements); + var superCaptureStatus = declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, constructor, !!extendsClauseElement, hasSynthesizedSuper, statementOffset); + // The last statement expression was replaced. Skip it. + if (superCaptureStatus === 1 /* ReplaceSuperCapture */ || superCaptureStatus === 2 /* ReplaceWithReturn */) { + statementOffset++; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + if (constructor) { + var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); }); + ts.addRange(statements, body); } - } - function transformAndEmitExpressionStatement(node) { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } - function transformAndEmitVariableDeclarationList(node) { - for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); + // Return `_this` unless we're sure enough that it would be pointless to add a return statement. + // If there's a constructor that we can tell returns in enough places, then we *do not* want to add a return. + if (extendsClauseElement + && superCaptureStatus !== 2 /* ReplaceWithReturn */ + && !(constructor && isSufficientlyCoveredByReturnStatements(constructor.body))) { + statements.push(ts.createReturn(ts.createIdentifier("_this"))); } - var variables = ts.getInitializedVariables(node); - var numVariables = variables.length; - var variablesWritten = 0; - var pendingExpressions = []; - while (variablesWritten < numVariables) { - for (var i = variablesWritten; i < numVariables; i++) { - var variable = variables[i]; - if (containsYield(variable.initializer) && pendingExpressions.length > 0) { - break; - } - pendingExpressions.push(transformInitializedVariable(variable)); - } - if (pendingExpressions.length) { - emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); - variablesWritten += pendingExpressions.length; - pendingExpressions = []; - } + ts.addRange(statements, endLexicalEnvironment()); + var block = ts.createBlock(ts.createNodeArray(statements, + /*location*/ constructor ? constructor.body.statements : node.members), + /*location*/ constructor ? constructor.body : node, + /*multiLine*/ true); + if (!constructor) { + ts.setEmitFlags(block, 49152 /* NoComments */); } - return undefined; - } - function transformInitializedVariable(node) { - return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + return block; } - function transformAndEmitIfStatement(node) { - if (containsYield(node)) { - // [source] - // if (x) - // /*thenStatement*/ - // else - // /*elseStatement*/ - // - // [intermediate] - // .brfalse elseLabel, (x) - // /*thenStatement*/ - // .br endLabel - // .mark elseLabel - // /*elseStatement*/ - // .mark endLabel - if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { - var endLabel = defineLabel(); - var elseLabel = node.elseStatement ? defineLabel() : undefined; - emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - emitBreak(endLabel); - markLabel(elseLabel); - transformAndEmitEmbeddedStatement(node.elseStatement); - } - markLabel(endLabel); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + /** + * We want to try to avoid emitting a return statement in certain cases if a user already returned something. + * It would generate obviously dead code, so we'll try to make things a little bit prettier + * by doing a minimal check on whether some common patterns always explicitly return. + */ + function isSufficientlyCoveredByReturnStatements(statement) { + // A return statement is considered covered. + if (statement.kind === 212 /* ReturnStatement */) { + return true; + } + else if (statement.kind === 204 /* IfStatement */) { + var ifStatement = statement; + if (ifStatement.elseStatement) { + return isSufficientlyCoveredByReturnStatements(ifStatement.thenStatement) && + isSufficientlyCoveredByReturnStatements(ifStatement.elseStatement); } } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + else if (statement.kind === 200 /* Block */) { + var lastStatement = ts.lastOrUndefined(statement.statements); + if (lastStatement && isSufficientlyCoveredByReturnStatements(lastStatement)) { + return true; + } } + return false; } - function transformAndEmitDoStatement(node) { - if (containsYield(node)) { - // [source] - // do { - // /*body*/ - // } - // while (i < 10); - // - // [intermediate] - // .loop conditionLabel, endLabel - // .mark loopLabel - // /*body*/ - // .mark conditionLabel - // .brtrue loopLabel, (i < 10) - // .endloop - // .mark endLabel - var conditionLabel = defineLabel(); - var loopLabel = defineLabel(); - beginLoopBlock(/*continueLabel*/ conditionLabel); - markLabel(loopLabel); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(conditionLabel); - emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - endLoopBlock(); + /** + * Declares a `_this` variable for derived classes and for when arrow functions capture `this`. + * + * @returns The new statement offset into the `statements` array. + */ + function declareOrCaptureOrReturnThisForConstructorIfNeeded(statements, ctor, hasExtendsClause, hasSynthesizedSuper, statementOffset) { + // If this isn't a derived class, just capture 'this' for arrow functions if necessary. + if (!hasExtendsClause) { + if (ctor) { + addCaptureThisForNodeIfNeeded(statements, ctor); + } + return 0 /* NoReplacement */; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + // We must be here because the user didn't write a constructor + // but we needed to call 'super(...args)' anyway as per 14.5.14 of the ES2016 spec. + // If that's the case we can just immediately return the result of a 'super()' call. + if (!ctor) { + statements.push(ts.createReturn(createDefaultSuperCallOrThis())); + return 2 /* ReplaceWithReturn */; } - } - function visitDoStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + // The constructor exists, but it and the 'super()' call it contains were generated + // for something like property initializers. + // Create a captured '_this' variable and assume it will subsequently be used. + if (hasSynthesizedSuper) { + captureThisForNode(statements, ctor, createDefaultSuperCallOrThis()); + enableSubstitutionsForCapturedThis(); + return 1 /* ReplaceSuperCapture */; } - else { - return ts.visitEachChild(node, visitor, context); + // Most of the time, a 'super' call will be the first real statement in a constructor body. + // In these cases, we'd like to transform these into a *single* statement instead of a declaration + // followed by an assignment statement for '_this'. For instance, if we emitted without an initializer, + // we'd get: + // + // var _this; + // _this = _super.call(...) || this; + // + // instead of + // + // var _this = _super.call(...) || this; + // + // Additionally, if the 'super()' call is the last statement, we should just avoid capturing + // entirely and immediately return the result like so: + // + // return _super.call(...) || this; + // + var firstStatement; + var superCallExpression; + var ctorStatements = ctor.body.statements; + if (statementOffset < ctorStatements.length) { + firstStatement = ctorStatements[statementOffset]; + if (firstStatement.kind === 203 /* ExpressionStatement */ && ts.isSuperCall(firstStatement.expression)) { + var superCall = firstStatement.expression; + superCallExpression = ts.setOriginalNode(saveStateAndInvoke(superCall, visitImmediateSuperCallInBody), superCall); + } } - } - function transformAndEmitWhileStatement(node) { - if (containsYield(node)) { - // [source] - // while (i < 10) { - // /*body*/ - // } - // - // [intermediate] - // .loop loopLabel, endLabel - // .mark loopLabel - // .brfalse endLabel, (i < 10) - // /*body*/ - // .br loopLabel - // .endloop - // .mark endLabel - var loopLabel = defineLabel(); - var endLabel = beginLoopBlock(loopLabel); - markLabel(loopLabel); - emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); - transformAndEmitEmbeddedStatement(node.statement); - emitBreak(loopLabel); - endLoopBlock(); + // Return the result if we have an immediate super() call on the last statement. + if (superCallExpression && statementOffset === ctorStatements.length - 1) { + statements.push(ts.createReturn(superCallExpression)); + return 2 /* ReplaceWithReturn */; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + // Perform the capture. + captureThisForNode(statements, ctor, superCallExpression, firstStatement); + // If we're actually replacing the original statement, we need to signal this to the caller. + if (superCallExpression) { + return 1 /* ReplaceSuperCapture */; } + return 0 /* NoReplacement */; } - function visitWhileStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); - node = ts.visitEachChild(node, visitor, context); - endLoopBlock(); - return node; + function createDefaultSuperCallOrThis() { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); + var superCall = ts.createFunctionApply(ts.createIdentifier("_super"), actualThis, ts.createIdentifier("arguments")); + return ts.createLogicalOr(superCall, actualThis); + } + /** + * Visits a parameter declaration. + * + * @param node A ParameterDeclaration node. + */ + function visitParameter(node) { + if (node.dotDotDotToken) { + // rest parameters are elided + return undefined; + } + else if (ts.isBindingPattern(node.name)) { + // Binding patterns are converted into a generated name and are + // evaluated inside the function body. + return ts.setOriginalNode(ts.createParameter(ts.getGeneratedNameForNode(node), + /*initializer*/ undefined, + /*location*/ node), + /*original*/ node); + } + else if (node.initializer) { + // Initializers are elided + return ts.setOriginalNode(ts.createParameter(node.name, + /*initializer*/ undefined, + /*location*/ node), + /*original*/ node); } else { - return ts.visitEachChild(node, visitor, context); + return node; } } - function transformAndEmitForStatement(node) { - if (containsYield(node)) { - // [source] - // for (var i = 0; i < 10; i++) { - // /*body*/ - // } - // - // [intermediate] - // .local i - // i = 0; - // .loop incrementLabel, endLoopLabel - // .mark conditionLabel - // .brfalse endLoopLabel, (i < 10) - // /*body*/ - // .mark incrementLabel - // i++; - // .br conditionLabel - // .endloop - // .mark endLoopLabel - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - if (node.initializer) { - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - transformAndEmitVariableDeclarationList(initializer); - } - else { - emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), - /*location*/ initializer)); - } + /** + * Gets a value indicating whether we need to add default value assignments for a + * function-like node. + * + * @param node A function-like node. + */ + function shouldAddDefaultValueAssignments(node) { + return (node.transformFlags & 262144 /* ContainsDefaultValueAssignments */) !== 0; + } + /** + * Adds statements to the body of a function-like node if it contains parameters with + * binding patterns or initializers. + * + * @param statements The statements for the new function body. + * @param node A function-like node. + */ + function addDefaultValueAssignmentsIfNeeded(statements, node) { + if (!shouldAddDefaultValueAssignments(node)) { + return; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + var name_37 = parameter.name, initializer = parameter.initializer, dotDotDotToken = parameter.dotDotDotToken; + // A rest parameter cannot have a binding pattern or an initializer, + // so let's just ignore it. + if (dotDotDotToken) { + continue; } - markLabel(conditionLabel); - if (node.condition) { - emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + if (ts.isBindingPattern(name_37)) { + addDefaultValueAssignmentForBindingPattern(statements, parameter, name_37, initializer); } - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - if (node.incrementor) { - emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), - /*location*/ node.incrementor)); + else if (initializer) { + addDefaultValueAssignmentForInitializer(statements, parameter, name_37, initializer); } - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitForStatement(node) { - if (inStatementContainingYield) { - beginScriptLoopBlock(); + /** + * Adds statements to the body of a function-like node for parameters with binding patterns + * + * @param statements The statements for the new function body. + * @param parameter The parameter for the function. + * @param name The name of the parameter. + * @param initializer The initializer for the parameter. + */ + function addDefaultValueAssignmentForBindingPattern(statements, parameter, name, initializer) { + var temp = ts.getGeneratedNameForNode(parameter); + // In cases where a binding pattern is simply '[]' or '{}', + // we usually don't want to emit a var declaration; however, in the presence + // of an initializer, we must emit that expression to preserve side effects. + if (name.elements.length > 0) { + statements.push(ts.setEmitFlags(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList(ts.flattenParameterDestructuring(parameter, temp, visitor))), 8388608 /* CustomPrologue */)); } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - var variables = ts.getInitializedVariables(initializer); - node = ts.updateFor(node, variables.length > 0 - ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) - : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.incrementor, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); + else if (initializer) { + statements.push(ts.setEmitFlags(ts.createStatement(ts.createAssignment(temp, ts.visitNode(initializer, visitor, ts.isExpression))), 8388608 /* CustomPrologue */)); } - else { - node = ts.visitEachChild(node, visitor, context); + } + /** + * Adds statements to the body of a function-like node for parameters with initializers. + * + * @param statements The statements for the new function body. + * @param parameter The parameter for the function. + * @param name The name of the parameter. + * @param initializer The initializer for the parameter. + */ + function addDefaultValueAssignmentForInitializer(statements, parameter, name, initializer) { + initializer = ts.visitNode(initializer, visitor, ts.isExpression); + var statement = ts.createIf(ts.createStrictEquality(ts.getSynthesizedClone(name), ts.createVoidZero()), ts.setEmitFlags(ts.createBlock([ + ts.createStatement(ts.createAssignment(ts.setEmitFlags(ts.getMutableClone(name), 1536 /* NoSourceMap */), ts.setEmitFlags(initializer, 1536 /* NoSourceMap */ | ts.getEmitFlags(initializer)), + /*location*/ parameter)) + ], /*location*/ parameter), 32 /* SingleLine */ | 1024 /* NoTrailingSourceMap */ | 12288 /* NoTokenSourceMaps */), + /*elseStatement*/ undefined, + /*location*/ parameter); + statement.startsOnNewLine = true; + ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 8388608 /* CustomPrologue */); + statements.push(statement); + } + /** + * Gets a value indicating whether we need to add statements to handle a rest parameter. + * + * @param node A ParameterDeclaration node. + * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is + * part of a constructor declaration with a + * synthesized call to `super` + */ + function shouldAddRestParameter(node, inConstructorWithSynthesizedSuper) { + return node && node.dotDotDotToken && node.name.kind === 70 /* Identifier */ && !inConstructorWithSynthesizedSuper; + } + /** + * Adds statements to the body of a function-like node if it contains a rest parameter. + * + * @param statements The statements for the new function body. + * @param node A function-like node. + * @param inConstructorWithSynthesizedSuper A value indicating whether the parameter is + * part of a constructor declaration with a + * synthesized call to `super` + */ + function addRestParameterIfNeeded(statements, node, inConstructorWithSynthesizedSuper) { + var parameter = ts.lastOrUndefined(node.parameters); + if (!shouldAddRestParameter(parameter, inConstructorWithSynthesizedSuper)) { + return; } - if (inStatementContainingYield) { - endLoopBlock(); + // `declarationName` is the name of the local declaration for the parameter. + var declarationName = ts.getMutableClone(parameter.name); + ts.setEmitFlags(declarationName, 1536 /* NoSourceMap */); + // `expressionName` is the name of the parameter used in expressions. + var expressionName = ts.getSynthesizedClone(parameter.name); + var restIndex = node.parameters.length - 1; + var temp = ts.createLoopVariable(); + // var param = []; + statements.push(ts.setEmitFlags(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(declarationName, + /*type*/ undefined, ts.createArrayLiteral([])) + ]), + /*location*/ parameter), 8388608 /* CustomPrologue */)); + // for (var _i = restIndex; _i < arguments.length; _i++) { + // param[_i - restIndex] = arguments[_i]; + // } + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(temp, /*type*/ undefined, ts.createLiteral(restIndex)) + ], /*location*/ parameter), ts.createLessThan(temp, ts.createPropertyAccess(ts.createIdentifier("arguments"), "length"), + /*location*/ parameter), ts.createPostfixIncrement(temp, /*location*/ parameter), ts.createBlock([ + ts.startOnNewLine(ts.createStatement(ts.createAssignment(ts.createElementAccess(expressionName, ts.createSubtract(temp, ts.createLiteral(restIndex))), ts.createElementAccess(ts.createIdentifier("arguments"), temp)), + /*location*/ parameter)) + ])); + ts.setEmitFlags(forStatement, 8388608 /* CustomPrologue */); + ts.startOnNewLine(forStatement); + statements.push(forStatement); + } + /** + * Adds a statement to capture the `this` of a function declaration if it is needed. + * + * @param statements The statements for the new function body. + * @param node A node. + */ + function addCaptureThisForNodeIfNeeded(statements, node) { + if (node.transformFlags & 65536 /* ContainsCapturedLexicalThis */ && node.kind !== 181 /* ArrowFunction */) { + captureThisForNode(statements, node, ts.createThis()); } - return node; } - function transformAndEmitForInStatement(node) { - // TODO(rbuckton): Source map locations - if (containsYield(node)) { - // [source] - // for (var p in o) { - // /*body*/ - // } - // - // [intermediate] - // .local _a, _b, _i - // _a = []; - // for (_b in o) _a.push(_b); - // _i = 0; - // .loop incrementLabel, endLoopLabel - // .mark conditionLabel - // .brfalse endLoopLabel, (_i < _a.length) - // p = _a[_i]; - // /*body*/ - // .mark incrementLabel - // _b++; - // .br conditionLabel - // .endloop - // .mark endLoopLabel - var keysArray = declareLocal(); // _a - var key = declareLocal(); // _b - var keysIndex = ts.createLoopVariable(); // _i - var initializer = node.initializer; - hoistVariableDeclaration(keysIndex); - emitAssignment(keysArray, ts.createArrayLiteral()); - emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), - /*typeArguments*/ undefined, [key])))); - emitAssignment(keysIndex, ts.createLiteral(0)); - var conditionLabel = defineLabel(); - var incrementLabel = defineLabel(); - var endLabel = beginLoopBlock(incrementLabel); - markLabel(conditionLabel); - emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); - var variable = void 0; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable_1 = _a[_i]; - hoistVariableDeclaration(variable_1.name); - } - variable = ts.getSynthesizedClone(initializer.declarations[0].name); - } - else { - variable = ts.visitNode(initializer, visitor, ts.isExpression); - ts.Debug.assert(ts.isLeftHandSideExpression(variable)); + function captureThisForNode(statements, node, initializer, originalStatement) { + enableSubstitutionsForCapturedThis(); + var captureThisStatement = ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration("_this", + /*type*/ undefined, initializer) + ]), originalStatement); + ts.setEmitFlags(captureThisStatement, 49152 /* NoComments */ | 8388608 /* CustomPrologue */); + ts.setSourceMapRange(captureThisStatement, node); + statements.push(captureThisStatement); + } + /** + * Adds statements to the class body function for a class to define the members of the + * class. + * + * @param statements The statements for the class body function. + * @param node The ClassExpression or ClassDeclaration node. + */ + function addClassMembers(statements, node) { + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + switch (member.kind) { + case 199 /* SemicolonClassElement */: + statements.push(transformSemicolonClassElementToStatement(member)); + break; + case 148 /* MethodDeclaration */: + statements.push(transformClassMethodDeclarationToStatement(getClassMemberPrefix(node, member), member)); + break; + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + statements.push(transformAccessorsToStatement(getClassMemberPrefix(node, member), accessors)); + } + break; + case 149 /* Constructor */: + // Constructors are handled in visitClassExpression/visitClassDeclaration + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } - emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); - transformAndEmitEmbeddedStatement(node.statement); - markLabel(incrementLabel); - emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); - emitBreak(conditionLabel); - endLoopBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitForInStatement(node) { - // [source] - // for (var x in a) { - // /*body*/ - // } - // - // [intermediate] - // .local x - // .loop - // for (x in a) { - // /*body*/ - // } - // .endloop - if (inStatementContainingYield) { - beginScriptLoopBlock(); - } - var initializer = node.initializer; - if (ts.isVariableDeclarationList(initializer)) { - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - hoistVariableDeclaration(variable.name); - } - node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); + /** + * Transforms a SemicolonClassElement into a statement for a class body function. + * + * @param member The SemicolonClassElement node. + */ + function transformSemicolonClassElementToStatement(member) { + return ts.createEmptyStatement(/*location*/ member); + } + /** + * Transforms a MethodDeclaration into a statement for a class body function. + * + * @param receiver The receiver for the member. + * @param member The MethodDeclaration node. + */ + function transformClassMethodDeclarationToStatement(receiver, member) { + var commentRange = ts.getCommentRange(member); + var sourceMapRange = ts.getSourceMapRange(member); + var func = transformFunctionLikeToExpression(member, /*location*/ member, /*name*/ undefined); + ts.setEmitFlags(func, 49152 /* NoComments */); + ts.setSourceMapRange(func, sourceMapRange); + var statement = ts.createStatement(ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(member.name, visitor, ts.isPropertyName), + /*location*/ member.name), func), + /*location*/ member); + ts.setOriginalNode(statement, member); + ts.setCommentRange(statement, commentRange); + // The location for the statement is used to emit comments only. + // No source map should be emitted for this statement to align with the + // old emitter. + ts.setEmitFlags(statement, 1536 /* NoSourceMap */); + return statement; + } + /** + * Transforms a set of related of get/set accessors into a statement for a class body function. + * + * @param receiver The receiver for the member. + * @param accessors The set of related get/set accessors. + */ + function transformAccessorsToStatement(receiver, accessors) { + var statement = ts.createStatement(transformAccessorsToExpression(receiver, accessors, /*startsOnNewLine*/ false), + /*location*/ ts.getSourceMapRange(accessors.firstAccessor)); + // The location for the statement is used to emit source maps only. + // No comments should be emitted for this statement to align with the + // old emitter. + ts.setEmitFlags(statement, 49152 /* NoComments */); + return statement; + } + /** + * Transforms a set of related get/set accessors into an expression for either a class + * body function or an ObjectLiteralExpression with computed properties. + * + * @param receiver The receiver for the member. + */ + function transformAccessorsToExpression(receiver, _a, startsOnNewLine) { + var firstAccessor = _a.firstAccessor, getAccessor = _a.getAccessor, setAccessor = _a.setAccessor; + // To align with source maps in the old emitter, the receiver and property name + // arguments are both mapped contiguously to the accessor name. + var target = ts.getMutableClone(receiver); + ts.setEmitFlags(target, 49152 /* NoComments */ | 1024 /* NoTrailingSourceMap */); + ts.setSourceMapRange(target, firstAccessor.name); + var propertyName = ts.createExpressionForPropertyName(ts.visitNode(firstAccessor.name, visitor, ts.isPropertyName)); + ts.setEmitFlags(propertyName, 49152 /* NoComments */ | 512 /* NoLeadingSourceMap */); + ts.setSourceMapRange(propertyName, firstAccessor.name); + var properties = []; + if (getAccessor) { + var getterFunction = transformFunctionLikeToExpression(getAccessor, /*location*/ undefined, /*name*/ undefined); + ts.setSourceMapRange(getterFunction, ts.getSourceMapRange(getAccessor)); + ts.setEmitFlags(getterFunction, 16384 /* NoLeadingComments */); + var getter = ts.createPropertyAssignment("get", getterFunction); + ts.setCommentRange(getter, ts.getCommentRange(getAccessor)); + properties.push(getter); } - else { - node = ts.visitEachChild(node, visitor, context); + if (setAccessor) { + var setterFunction = transformFunctionLikeToExpression(setAccessor, /*location*/ undefined, /*name*/ undefined); + ts.setSourceMapRange(setterFunction, ts.getSourceMapRange(setAccessor)); + ts.setEmitFlags(setterFunction, 16384 /* NoLeadingComments */); + var setter = ts.createPropertyAssignment("set", setterFunction); + ts.setCommentRange(setter, ts.getCommentRange(setAccessor)); + properties.push(setter); } - if (inStatementContainingYield) { - endLoopBlock(); + properties.push(ts.createPropertyAssignment("enumerable", ts.createLiteral(true)), ts.createPropertyAssignment("configurable", ts.createLiteral(true))); + var call = ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), + /*typeArguments*/ undefined, [ + target, + propertyName, + ts.createObjectLiteral(properties, /*location*/ undefined, /*multiLine*/ true) + ]); + if (startsOnNewLine) { + call.startsOnNewLine = true; } - return node; - } - function transformAndEmitContinueStatement(node) { - var label = findContinueTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); - emitBreak(label, /*location*/ node); + return call; } - function visitContinueStatement(node) { - if (inStatementContainingYield) { - var label = findContinueTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, /*location*/ node); - } + /** + * Visits an ArrowFunction and transforms it into a FunctionExpression. + * + * @param node An ArrowFunction node. + */ + function visitArrowFunction(node) { + if (node.transformFlags & 32768 /* ContainsLexicalThis */) { + enableSubstitutionsForCapturedThis(); } - return ts.visitEachChild(node, visitor, context); - } - function transformAndEmitBreakStatement(node) { - var label = findBreakTarget(node.label ? node.label.text : undefined); - ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); - emitBreak(label, /*location*/ node); + var func = transformFunctionLikeToExpression(node, /*location*/ node, /*name*/ undefined); + ts.setEmitFlags(func, 256 /* CapturesThis */); + return func; } - function visitBreakStatement(node) { - if (inStatementContainingYield) { - var label = findBreakTarget(node.label && node.label.text); - if (label > 0) { - return createInlineBreak(label, /*location*/ node); - } - } - return ts.visitEachChild(node, visitor, context); + /** + * Visits a FunctionExpression node. + * + * @param node a FunctionExpression node. + */ + function visitFunctionExpression(node) { + return transformFunctionLikeToExpression(node, /*location*/ node, node.name); } - function transformAndEmitReturnStatement(node) { - emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), - /*location*/ node); + /** + * Visits a FunctionDeclaration node. + * + * @param node a FunctionDeclaration node. + */ + function visitFunctionDeclaration(node) { + return ts.setOriginalNode(ts.createFunctionDeclaration( + /*decorators*/ undefined, node.modifiers, node.asteriskToken, node.name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, transformFunctionBody(node), + /*location*/ node), + /*original*/ node); } - function visitReturnStatement(node) { - return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), - /*location*/ node); + /** + * Transforms a function-like node into a FunctionExpression. + * + * @param node The function-like node to transform. + * @param location The source-map location for the new FunctionExpression. + * @param name The name of the new FunctionExpression. + */ + function transformFunctionLikeToExpression(node, location, name) { + var savedContainingNonArrowFunction = enclosingNonArrowFunction; + if (node.kind !== 181 /* ArrowFunction */) { + enclosingNonArrowFunction = node; + } + var expression = ts.setOriginalNode(ts.createFunctionExpression( + /*modifiers*/ undefined, node.asteriskToken, name, + /*typeParameters*/ undefined, ts.visitNodes(node.parameters, visitor, ts.isParameter), + /*type*/ undefined, saveStateAndInvoke(node, transformFunctionBody), location), + /*original*/ node); + enclosingNonArrowFunction = savedContainingNonArrowFunction; + return expression; } - function transformAndEmitWithStatement(node) { - if (containsYield(node)) { - // [source] - // with (x) { - // /*body*/ - // } - // - // [intermediate] - // .with (x) - // /*body*/ - // .endwith - beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); - transformAndEmitEmbeddedStatement(node.statement); - endWithBlock(); + /** + * Transforms the body of a function-like node. + * + * @param node A function-like node. + */ + function transformFunctionBody(node) { + var multiLine = false; // indicates whether the block *must* be emitted as multiple lines + var singleLine = false; // indicates whether the block *may* be emitted as a single line + var statementsLocation; + var closeBraceLocation; + var statements = []; + var body = node.body; + var statementOffset; + startLexicalEnvironment(); + if (ts.isBlock(body)) { + // ensureUseStrict is false because no new prologue-directive should be added. + // addPrologueDirectives will simply put already-existing directives at the beginning of the target statement-array + statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + addCaptureThisForNodeIfNeeded(statements, node); + addDefaultValueAssignmentsIfNeeded(statements, node); + addRestParameterIfNeeded(statements, node, /*inConstructorWithSynthesizedSuper*/ false); + // If we added any generated statements, this must be a multi-line block. + if (!multiLine && statements.length > 0) { + multiLine = true; } - } - function transformAndEmitSwitchStatement(node) { - if (containsYield(node.caseBlock)) { - // [source] - // switch (x) { - // case a: - // /*caseStatements*/ - // case b: - // /*caseStatements*/ - // default: - // /*defaultStatements*/ - // } - // - // [intermediate] - // .local _a - // .switch endLabel - // _a = x; - // switch (_a) { - // case a: - // .br clauseLabels[0] - // } - // switch (_a) { - // case b: - // .br clauseLabels[1] - // } - // .br clauseLabels[2] - // .mark clauseLabels[0] - // /*caseStatements*/ - // .mark clauseLabels[1] - // /*caseStatements*/ - // .mark clauseLabels[2] - // /*caseStatements*/ - // .endswitch - // .mark endLabel - var caseBlock = node.caseBlock; - var numClauses = caseBlock.clauses.length; - var endLabel = beginSwitchBlock(); - var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); - // Create labels for each clause and find the index of the first default clause. - var clauseLabels = []; - var defaultClauseIndex = -1; - for (var i = 0; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - clauseLabels.push(defineLabel()); - if (clause.kind === 250 /* DefaultClause */ && defaultClauseIndex === -1) { - defaultClauseIndex = i; - } + if (ts.isBlock(body)) { + statementsLocation = body.statements; + ts.addRange(statements, ts.visitNodes(body.statements, visitor, ts.isStatement, statementOffset)); + // If the original body was a multi-line block, this must be a multi-line block. + if (!multiLine && body.multiLine) { + multiLine = true; } - // Emit switch statements for each run of case clauses either from the first case - // clause or the next case clause with a `yield` in its expression, up to the next - // case clause with a `yield` in its expression. - var clausesWritten = 0; - var pendingClauses = []; - while (clausesWritten < numClauses) { - var defaultClausesSkipped = 0; - for (var i = clausesWritten; i < numClauses; i++) { - var clause = caseBlock.clauses[i]; - if (clause.kind === 249 /* CaseClause */) { - var caseClause = clause; - if (containsYield(caseClause.expression) && pendingClauses.length > 0) { - break; - } - pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ - createInlineBreak(clauseLabels[i], /*location*/ caseClause.expression) - ])); - } - else { - defaultClausesSkipped++; - } - } - if (pendingClauses.length) { - emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); - clausesWritten += pendingClauses.length; - pendingClauses = []; + } + else { + ts.Debug.assert(node.kind === 181 /* ArrowFunction */); + // To align with the old emitter, we use a synthetic end position on the location + // for the statement list we synthesize when we down-level an arrow function with + // an expression function body. This prevents both comments and source maps from + // being emitted for the end position only. + statementsLocation = ts.moveRangeEnd(body, -1); + var equalsGreaterThanToken = node.equalsGreaterThanToken; + if (!ts.nodeIsSynthesized(equalsGreaterThanToken) && !ts.nodeIsSynthesized(body)) { + if (ts.rangeEndIsOnSameLineAsRangeStart(equalsGreaterThanToken, body, currentSourceFile)) { + singleLine = true; } - if (defaultClausesSkipped > 0) { - clausesWritten += defaultClausesSkipped; - defaultClausesSkipped = 0; + else { + multiLine = true; } } - if (defaultClauseIndex >= 0) { - emitBreak(clauseLabels[defaultClauseIndex]); - } - else { - emitBreak(endLabel); - } - for (var i = 0; i < numClauses; i++) { - markLabel(clauseLabels[i]); - transformAndEmitStatements(caseBlock.clauses[i].statements); - } - endSwitchBlock(); - } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); - } - } - function visitSwitchStatement(node) { - if (inStatementContainingYield) { - beginScriptSwitchBlock(); - } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endSwitchBlock(); - } - return node; - } - function transformAndEmitLabeledStatement(node) { - if (containsYield(node)) { - // [source] - // x: { - // /*body*/ - // } - // - // [intermediate] - // .labeled "x", endLabel - // /*body*/ - // .endlabeled - // .mark endLabel - beginLabeledBlock(node.label.text); - transformAndEmitEmbeddedStatement(node.statement); - endLabeledBlock(); + var expression = ts.visitNode(body, visitor, ts.isExpression); + var returnStatement = ts.createReturn(expression, /*location*/ body); + ts.setEmitFlags(returnStatement, 12288 /* NoTokenSourceMaps */ | 1024 /* NoTrailingSourceMap */ | 32768 /* NoTrailingComments */); + statements.push(returnStatement); + // To align with the source map emit for the old emitter, we set a custom + // source map location for the close brace. + closeBraceLocation = body; } - else { - emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + var lexicalEnvironment = endLexicalEnvironment(); + ts.addRange(statements, lexicalEnvironment); + // If we added any final generated statements, this must be a multi-line block + if (!multiLine && lexicalEnvironment && lexicalEnvironment.length) { + multiLine = true; } - } - function visitLabeledStatement(node) { - if (inStatementContainingYield) { - beginScriptLabeledBlock(node.label.text); + var block = ts.createBlock(ts.createNodeArray(statements, statementsLocation), node.body, multiLine); + if (!multiLine && singleLine) { + ts.setEmitFlags(block, 32 /* SingleLine */); } - node = ts.visitEachChild(node, visitor, context); - if (inStatementContainingYield) { - endLabeledBlock(); + if (closeBraceLocation) { + ts.setTokenSourceMapRange(block, 17 /* CloseBraceToken */, closeBraceLocation); } - return node; - } - function transformAndEmitThrowStatement(node) { - emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), - /*location*/ node); + ts.setOriginalNode(block, node.body); + return block; } - function transformAndEmitTryStatement(node) { - if (containsYield(node)) { - // [source] - // try { - // /*tryBlock*/ - // } - // catch (e) { - // /*catchBlock*/ - // } - // finally { - // /*finallyBlock*/ - // } - // - // [intermediate] - // .local _a - // .try tryLabel, catchLabel, finallyLabel, endLabel - // .mark tryLabel - // .nop - // /*tryBlock*/ - // .br endLabel - // .catch - // .mark catchLabel - // _a = %error%; - // /*catchBlock*/ - // .br endLabel - // .finally - // .mark finallyLabel - // /*finallyBlock*/ - // .endfinally - // .endtry - // .mark endLabel - beginExceptionBlock(); - transformAndEmitEmbeddedStatement(node.tryBlock); - if (node.catchClause) { - beginCatchBlock(node.catchClause.variableDeclaration); - transformAndEmitEmbeddedStatement(node.catchClause.block); - } - if (node.finallyBlock) { - beginFinallyBlock(); - transformAndEmitEmbeddedStatement(node.finallyBlock); - } - endExceptionBlock(); - } - else { - emitStatement(ts.visitEachChild(node, visitor, context)); + /** + * Visits an ExpressionStatement that contains a destructuring assignment. + * + * @param node An ExpressionStatement node. + */ + function visitExpressionStatement(node) { + // If we are here it is most likely because our expression is a destructuring assignment. + switch (node.expression.kind) { + case 179 /* ParenthesizedExpression */: + return ts.updateStatement(node, visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ false)); + case 188 /* BinaryExpression */: + return ts.updateStatement(node, visitBinaryExpression(node.expression, /*needsDestructuringValue*/ false)); } + return ts.visitEachChild(node, visitor, context); } - function containsYield(node) { - return node && (node.transformFlags & 16777216 /* ContainsYield */) !== 0; - } - function countInitialNodesWithoutYield(nodes) { - var numNodes = nodes.length; - for (var i = 0; i < numNodes; i++) { - if (containsYield(nodes[i])) { - return i; + /** + * Visits a ParenthesizedExpression that may contain a destructuring assignment. + * + * @param node A ParenthesizedExpression node. + * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs + * of a destructuring assignment. + */ + function visitParenthesizedExpression(node, needsDestructuringValue) { + // If we are here it is most likely because our expression is a destructuring assignment. + if (needsDestructuringValue) { + switch (node.expression.kind) { + case 179 /* ParenthesizedExpression */: + return ts.createParen(visitParenthesizedExpression(node.expression, /*needsDestructuringValue*/ true), + /*location*/ node); + case 188 /* BinaryExpression */: + return ts.createParen(visitBinaryExpression(node.expression, /*needsDestructuringValue*/ true), + /*location*/ node); } } - return -1; - } - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); - } - return node; + return ts.visitEachChild(node, visitor, context); } - function substituteExpression(node) { - if (ts.isIdentifier(node)) { - return substituteExpressionIdentifier(node); - } - return node; + /** + * Visits a BinaryExpression that contains a destructuring assignment. + * + * @param node A BinaryExpression node. + * @param needsDestructuringValue A value indicating whether we need to hold onto the rhs + * of a destructuring assignment. + */ + function visitBinaryExpression(node, needsDestructuringValue) { + // If we are here it is because this is a destructuring assignment. + ts.Debug.assert(ts.isDestructuringAssignment(node)); + return ts.flattenDestructuringAssignment(context, node, needsDestructuringValue, hoistVariableDeclaration, visitor); } - function substituteExpressionIdentifier(node) { - if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { - var original = ts.getOriginalNode(node); - if (ts.isIdentifier(original) && original.parent) { - var declaration = resolver.getReferencedValueDeclaration(original); - if (declaration) { - var name_34 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); - if (name_34) { - var clone_8 = ts.getMutableClone(name_34); - ts.setSourceMapRange(clone_8, node); - ts.setCommentRange(clone_8, node); - return clone_8; + function visitVariableStatement(node) { + if (convertedLoopState && (ts.getCombinedNodeFlags(node.declarationList) & 3 /* BlockScoped */) == 0) { + // we are inside a converted loop - hoist variable declarations + var assignments = void 0; + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + hoistVariableDeclarationDeclaredInConvertedLoop(convertedLoopState, decl); + if (decl.initializer) { + var assignment = void 0; + if (ts.isBindingPattern(decl.name)) { + assignment = ts.flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, /*nameSubstitution*/ undefined, visitor); + } + else { + assignment = ts.createBinary(decl.name, 57 /* EqualsToken */, ts.visitNode(decl.initializer, visitor, ts.isExpression)); } + (assignments || (assignments = [])).push(assignment); } } - } - return node; - } - function cacheExpression(node) { - var temp; - if (ts.isGeneratedIdentifier(node)) { - return node; - } - temp = ts.createTempVariable(hoistVariableDeclaration); - emitAssignment(temp, node, /*location*/ node); - return temp; - } - function declareLocal(name) { - var temp = name - ? ts.createUniqueName(name) - : ts.createTempVariable(/*recordTempVariable*/ undefined); - hoistVariableDeclaration(temp); - return temp; + if (assignments) { + return ts.createStatement(ts.reduceLeft(assignments, function (acc, v) { return ts.createBinary(v, 25 /* CommaToken */, acc); }), node); + } + else { + // none of declarations has initializer - the entire variable statement can be deleted + return undefined; + } + } + return ts.visitEachChild(node, visitor, context); } /** - * Defines a label, uses as the target of a Break operation. + * Visits a VariableDeclarationList that is block scoped (e.g. `let` or `const`). + * + * @param node A VariableDeclarationList node. */ - function defineLabel() { - if (!labelOffsets) { - labelOffsets = []; + function visitVariableDeclarationList(node) { + if (node.flags & 3 /* BlockScoped */) { + enableSubstitutionsForBlockScopedBindings(); } - var label = nextLabelId; - nextLabelId++; - labelOffsets[label] = -1; - return label; + var declarations = ts.flatten(ts.map(node.declarations, node.flags & 1 /* Let */ + ? visitVariableDeclarationInLetDeclarationList + : visitVariableDeclaration)); + var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ node); + ts.setOriginalNode(declarationList, node); + ts.setCommentRange(declarationList, node); + if (node.transformFlags & 8388608 /* ContainsBindingPattern */ + && (ts.isBindingPattern(node.declarations[0].name) + || ts.isBindingPattern(ts.lastOrUndefined(node.declarations).name))) { + // If the first or last declaration is a binding pattern, we need to modify + // the source map range for the declaration list. + var firstDeclaration = ts.firstOrUndefined(declarations); + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + } + return declarationList; } /** - * Marks the current operation with the specified label. + * Gets a value indicating whether we should emit an explicit initializer for a variable + * declaration in a `let` declaration list. + * + * @param node A VariableDeclaration node. */ - function markLabel(label) { - ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); - labelOffsets[label] = operations ? operations.length : 0; + function shouldEmitExplicitInitializerForLetDeclaration(node) { + // Nested let bindings might need to be initialized explicitly to preserve + // ES6 semantic: + // + // { let x = 1; } + // { let x; } // x here should be undefined. not 1 + // + // Top level bindings never collide with anything and thus don't require + // explicit initialization. As for nested let bindings there are two cases: + // + // - Nested let bindings that were not renamed definitely should be + // initialized explicitly: + // + // { let x = 1; } + // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } + // + // Without explicit initialization code in /*1*/ can be executed even if + // some-condition is evaluated to false. + // + // - Renaming introduces fresh name that should not collide with any + // existing names, however renamed bindings sometimes also should be + // explicitly initialized. One particular case: non-captured binding + // declared inside loop body (but not in loop initializer): + // + // let x; + // for (;;) { + // let x; + // } + // + // In downlevel codegen inner 'x' will be renamed so it won't collide + // with outer 'x' however it will should be reset on every iteration as + // if it was declared anew. + // + // * Why non-captured binding? + // - Because if loop contains block scoped binding captured in some + // function then loop body will be rewritten to have a fresh scope + // on every iteration so everything will just work. + // + // * Why loop initializer is excluded? + // - Since we've introduced a fresh name it already will be undefined. + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; + var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(enclosingBlockScopeContainer) + || (isCapturedInFunction + && isDeclaredInLoop + && ts.isBlock(enclosingBlockScopeContainer) + && ts.isIterationStatement(enclosingBlockScopeContainerParent, /*lookInLabeledStatements*/ false)); + var emitExplicitInitializer = !emittedAsTopLevel + && enclosingBlockScopeContainer.kind !== 208 /* ForInStatement */ + && enclosingBlockScopeContainer.kind !== 209 /* ForOfStatement */ + && (!resolver.isDeclarationWithCollidingName(node) + || (isDeclaredInLoop + && !isCapturedInFunction + && !ts.isIterationStatement(enclosingBlockScopeContainer, /*lookInLabeledStatements*/ false))); + return emitExplicitInitializer; } /** - * Begins a block operation (With, Break/Continue, Try/Catch/Finally) + * Visits a VariableDeclaration in a `let` declaration list. * - * @param block Information about the block. + * @param node A VariableDeclaration node. */ - function beginBlock(block) { - if (!blocks) { - blocks = []; - blockActions = []; - blockOffsets = []; - blockStack = []; + function visitVariableDeclarationInLetDeclarationList(node) { + // For binding pattern names that lack initializers there is no point to emit + // explicit initializer since downlevel codegen for destructuring will fail + // in the absence of initializer so all binding elements will say uninitialized + var name = node.name; + if (ts.isBindingPattern(name)) { + return visitVariableDeclaration(node); } - var index = blockActions.length; - blockActions[index] = 0 /* Open */; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.push(block); - return index; + if (!node.initializer && shouldEmitExplicitInitializerForLetDeclaration(node)) { + var clone_5 = ts.getMutableClone(node); + clone_5.initializer = ts.createVoidZero(); + return clone_5; + } + return ts.visitEachChild(node, visitor, context); } /** - * Ends the current block operation. + * Visits a VariableDeclaration node with a binding pattern. + * + * @param node A VariableDeclaration node. */ - function endBlock() { - var block = peekBlock(); - ts.Debug.assert(block !== undefined, "beginBlock was never called."); - var index = blockActions.length; - blockActions[index] = 1 /* Close */; - blockOffsets[index] = operations ? operations.length : 0; - blocks[index] = block; - blockStack.pop(); - return block; + function visitVariableDeclaration(node) { + // If we are here it is because the name contains a binding pattern. + if (ts.isBindingPattern(node.name)) { + var recordTempVariablesInLine = !enclosingVariableStatement + || !ts.hasModifier(enclosingVariableStatement, 1 /* Export */); + return ts.flattenVariableDestructuring(node, /*value*/ undefined, visitor, recordTempVariablesInLine ? undefined : hoistVariableDeclaration); + } + return ts.visitEachChild(node, visitor, context); } - /** - * Gets the current open block. - */ - function peekBlock() { - return ts.lastOrUndefined(blockStack); + function visitLabeledStatement(node) { + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = ts.createMap(); + } + convertedLoopState.labels[node.label.text] = node.label.text; + } + var result; + if (ts.isIterationStatement(node.statement, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node.statement)) { + result = ts.visitNodes(ts.createNodeArray([node.statement]), visitor, ts.isStatement); + } + else { + result = ts.visitEachChild(node, visitor, context); + } + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; + } + return result; } - /** - * Gets the kind of the current open block. - */ - function peekBlockKind() { - var block = peekBlock(); - return block && block.kind; + function visitDoStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitWhileStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitForStatement(node) { + return convertIterationStatementBodyIfNecessary(node); + } + function visitForInStatement(node) { + return convertIterationStatementBodyIfNecessary(node); } /** - * Begins a code block for a generated `with` statement. + * Visits a ForOfStatement and converts it into a compatible ForStatement. * - * @param expression An identifier representing expression for the `with` block. + * @param node A ForOfStatement. */ - function beginWithBlock(expression) { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 1 /* With */, - expression: expression, - startLabel: startLabel, - endLabel: endLabel - }); + function visitForOfStatement(node) { + return convertIterationStatementBodyIfNecessary(node, convertForOfToFor); + } + function convertForOfToFor(node, convertedLoopBodyStatements) { + // The following ES6 code: + // + // for (let v of expr) { } + // + // should be emitted as + // + // for (var _i = 0, _a = expr; _i < _a.length; _i++) { + // var v = _a[_i]; + // } + // + // where _a and _i are temps emitted to capture the RHS and the counter, + // respectively. + // When the left hand side is an expression instead of a let declaration, + // the "let v" is not emitted. + // When the left hand side is a let/const, the v is renamed if there is + // another v in scope. + // Note that all assignments to the LHS are emitted in the body, including + // all destructuring. + // Note also that because an extra statement is needed to assign to the LHS, + // for-of bodies are always emitted as blocks. + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + var initializer = node.initializer; + var statements = []; + // In the case where the user wrote an identifier as the RHS, like this: + // + // for (let v of arr) { } + // + // we don't want to emit a temporary variable for the RHS, just use it directly. + var counter = ts.createLoopVariable(); + var rhsReference = expression.kind === 70 /* Identifier */ + ? ts.createUniqueName(expression.text) + : ts.createTempVariable(/*recordTempVariable*/ undefined); + // Initialize LHS + // var v = _a[_i]; + if (ts.isVariableDeclarationList(initializer)) { + if (initializer.flags & 3 /* BlockScoped */) { + enableSubstitutionsForBlockScopedBindings(); + } + var firstOriginalDeclaration = ts.firstOrUndefined(initializer.declarations); + if (firstOriginalDeclaration && ts.isBindingPattern(firstOriginalDeclaration.name)) { + // This works whether the declaration is a var, let, or const. + // It will use rhsIterationValue _a[_i] as the initializer. + var declarations = ts.flattenVariableDestructuring(firstOriginalDeclaration, ts.createElementAccess(rhsReference, counter), visitor); + var declarationList = ts.createVariableDeclarationList(declarations, /*location*/ initializer); + ts.setOriginalNode(declarationList, initializer); + // Adjust the source map range for the first declaration to align with the old + // emitter. + var firstDeclaration = declarations[0]; + var lastDeclaration = ts.lastOrUndefined(declarations); + ts.setSourceMapRange(declarationList, ts.createRange(firstDeclaration.pos, lastDeclaration.end)); + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, declarationList)); + } + else { + // The following call does not include the initializer, so we have + // to emit it separately. + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(firstOriginalDeclaration ? firstOriginalDeclaration.name : ts.createTempVariable(/*recordTempVariable*/ undefined), + /*type*/ undefined, ts.createElementAccess(rhsReference, counter)) + ], /*location*/ ts.moveRangePos(initializer, -1)), + /*location*/ ts.moveRangeEnd(initializer, -1))); + } + } + else { + // Initializer is an expression. Emit the expression in the body, so that it's + // evaluated on every iteration. + var assignment = ts.createAssignment(initializer, ts.createElementAccess(rhsReference, counter)); + if (ts.isDestructuringAssignment(assignment)) { + // This is a destructuring pattern, so we flatten the destructuring instead. + statements.push(ts.createStatement(ts.flattenDestructuringAssignment(context, assignment, + /*needsValue*/ false, hoistVariableDeclaration, visitor))); + } + else { + // Currently there is not way to check that assignment is binary expression of destructing assignment + // so we have to cast never type to binaryExpression + assignment.end = initializer.end; + statements.push(ts.createStatement(assignment, /*location*/ ts.moveRangeEnd(initializer, -1))); + } + } + var bodyLocation; + var statementsLocation; + if (convertedLoopBodyStatements) { + ts.addRange(statements, convertedLoopBodyStatements); + } + else { + var statement = ts.visitNode(node.statement, visitor, ts.isStatement); + if (ts.isBlock(statement)) { + ts.addRange(statements, statement.statements); + bodyLocation = statement; + statementsLocation = statement.statements; + } + else { + statements.push(statement); + } + } + // The old emitter does not emit source maps for the expression + ts.setEmitFlags(expression, 1536 /* NoSourceMap */ | ts.getEmitFlags(expression)); + // The old emitter does not emit source maps for the block. + // We add the location to preserve comments. + var body = ts.createBlock(ts.createNodeArray(statements, /*location*/ statementsLocation), + /*location*/ bodyLocation); + ts.setEmitFlags(body, 1536 /* NoSourceMap */ | 12288 /* NoTokenSourceMaps */); + var forStatement = ts.createFor(ts.createVariableDeclarationList([ + ts.createVariableDeclaration(counter, /*type*/ undefined, ts.createLiteral(0), /*location*/ ts.moveRangePos(node.expression, -1)), + ts.createVariableDeclaration(rhsReference, /*type*/ undefined, expression, /*location*/ node.expression) + ], /*location*/ node.expression), ts.createLessThan(counter, ts.createPropertyAccess(rhsReference, "length"), + /*location*/ node.expression), ts.createPostfixIncrement(counter, /*location*/ node.expression), body, + /*location*/ node); + // Disable trailing source maps for the OpenParenToken to align source map emit with the old emitter. + ts.setEmitFlags(forStatement, 8192 /* NoTokenTrailingSourceMaps */); + return forStatement; } /** - * Ends a code block for a generated `with` statement. + * Visits an ObjectLiteralExpression with computed propety names. + * + * @param node An ObjectLiteralExpression node. */ - function endWithBlock() { - ts.Debug.assert(peekBlockKind() === 1 /* With */); - var block = endBlock(); - markLabel(block.endLabel); + function visitObjectLiteralExpression(node) { + // We are here because a ComputedPropertyName was used somewhere in the expression. + var properties = node.properties; + var numProperties = properties.length; + // Find the first computed property. + // Everything until that point can be emitted as part of the initial object literal. + var numInitialProperties = numProperties; + for (var i = 0; i < numProperties; i++) { + var property = properties[i]; + if (property.transformFlags & 16777216 /* ContainsYield */ + || property.name.kind === 141 /* ComputedPropertyName */) { + numInitialProperties = i; + break; + } + } + ts.Debug.assert(numInitialProperties !== numProperties); + // For computed properties, we need to create a unique handle to the object + // literal so we can modify it without risking internal assignments tainting the object. + var temp = ts.createTempVariable(hoistVariableDeclaration); + // Write out the first non-computed properties, then emit the rest through indexing on the temp variable. + var expressions = []; + var assignment = ts.createAssignment(temp, ts.setEmitFlags(ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), + /*location*/ undefined, node.multiLine), 524288 /* Indented */)); + if (node.multiLine) { + assignment.startsOnNewLine = true; + } + expressions.push(assignment); + addObjectLiteralMembers(expressions, node, temp, numInitialProperties); + // We need to clone the temporary identifier so that we can write it on a + // new line + expressions.push(node.multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); } - function isWithBlock(block) { - return block.kind === 1 /* With */; + function shouldConvertIterationStatementBody(node) { + return (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; } /** - * Begins a code block for a generated `try` statement. + * Records constituents of name for the given variable to be hoisted in the outer scope. */ - function beginExceptionBlock() { - var startLabel = defineLabel(); - var endLabel = defineLabel(); - markLabel(startLabel); - beginBlock({ - kind: 0 /* Exception */, - state: 0 /* Try */, - startLabel: startLabel, - endLabel: endLabel - }); - emitNop(); - return endLabel; + function hoistVariableDeclarationDeclaredInConvertedLoop(state, node) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; + } + visit(node.name); + function visit(node) { + if (node.kind === 70 /* Identifier */) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _i = 0, _a = node.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + visit(element.name); + } + } + } + } } - /** - * Enters the `catch` clause of a generated `try` statement. - * - * @param variable The catch variable. - */ - function beginCatchBlock(variable) { - ts.Debug.assert(peekBlockKind() === 0 /* Exception */); - var text = variable.name.text; - var name = declareLocal(text); - if (!renamedCatchVariables) { - renamedCatchVariables = ts.createMap(); - renamedCatchVariableDeclarations = ts.createMap(); - context.enableSubstitution(70 /* Identifier */); + function convertIterationStatementBodyIfNecessary(node, convert) { + if (!shouldConvertIterationStatementBody(node)) { + var saveAllowedNonLabeledJumps = void 0; + if (convertedLoopState) { + // we get here if we are trying to emit normal loop loop inside converted loop + // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; + } + var result = convert ? convert(node, /*convertedLoopBodyStatements*/ undefined) : ts.visitEachChild(node, visitor, context); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + return result; + } + var functionName = ts.createUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 207 /* ForStatement */: + case 208 /* ForInStatement */: + case 209 /* ForOfStatement */: + var initializer = node.initializer; + if (initializer && initializer.kind === 220 /* VariableDeclarationList */) { + loopInitializer = initializer; + } + break; + } + // variables that will be passed to the loop as parameters + var loopParameters = []; + // variables declared in the loop initializer that will be changed inside the loop + var loopOutParameters = []; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3 /* BlockScoped */)) { + for (var _i = 0, _a = loopInitializer.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + processLoopVariableDeclaration(decl, loopParameters, loopOutParameters); + } + } + var outerConvertedLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (outerConvertedLoopState) { + // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. + // if outer converted loop has already accumulated some state - pass it through + if (outerConvertedLoopState.argumentsName) { + // outer loop has already used 'arguments' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.argumentsName = outerConvertedLoopState.argumentsName; + } + if (outerConvertedLoopState.thisName) { + // outer loop has already used 'this' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.thisName = outerConvertedLoopState.thisName; + } + if (outerConvertedLoopState.hoistedLocalVariables) { + // we've already collected some non-block scoped variable declarations in enclosing loop + // use the same storage in nested loop + convertedLoopState.hoistedLocalVariables = outerConvertedLoopState.hoistedLocalVariables; + } + } + var loopBody = ts.visitNode(node.statement, visitor, ts.isStatement); + var currentState = convertedLoopState; + convertedLoopState = outerConvertedLoopState; + if (loopOutParameters.length) { + var statements_3 = ts.isBlock(loopBody) ? loopBody.statements.slice() : [loopBody]; + copyOutParameters(loopOutParameters, 1 /* ToOutParameter */, statements_3); + loopBody = ts.createBlock(statements_3, /*location*/ undefined, /*multiline*/ true); + } + if (!ts.isBlock(loopBody)) { + loopBody = ts.createBlock([loopBody], /*location*/ undefined, /*multiline*/ true); + } + var isAsyncBlockContainingAwait = enclosingNonArrowFunction + && (ts.getEmitFlags(enclosingNonArrowFunction) & 2097152 /* AsyncFunctionBody */) !== 0 + && (node.statement.transformFlags & 16777216 /* ContainsYield */) !== 0; + var loopBodyFlags = 0; + if (currentState.containsLexicalThis) { + loopBodyFlags |= 256 /* CapturesThis */; + } + if (isAsyncBlockContainingAwait) { + loopBodyFlags |= 2097152 /* AsyncFunctionBody */; + } + var convertedLoopVariable = ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ + ts.createVariableDeclaration(functionName, + /*type*/ undefined, ts.setEmitFlags(ts.createFunctionExpression( + /*modifiers*/ undefined, isAsyncBlockContainingAwait ? ts.createToken(38 /* AsteriskToken */) : undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, loopParameters, + /*type*/ undefined, loopBody), loopBodyFlags)) + ])); + var statements = [convertedLoopVariable]; + var extraVariableDeclarations; + // propagate state from the inner loop to the outer loop if necessary + if (currentState.argumentsName) { + // if alias for arguments is set + if (outerConvertedLoopState) { + // pass it to outer converted loop + outerConvertedLoopState.argumentsName = currentState.argumentsName; + } + else { + // this is top level converted loop and we need to create an alias for 'arguments' object + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.argumentsName, + /*type*/ undefined, ts.createIdentifier("arguments"))); + } } - renamedCatchVariables[text] = true; - renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; - var exception = peekBlock(); - ts.Debug.assert(exception.state < 1 /* Catch */); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var catchLabel = defineLabel(); - markLabel(catchLabel); - exception.state = 1 /* Catch */; - exception.catchVariable = name; - exception.catchLabel = catchLabel; - emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [])); - emitNop(); - } - /** - * Enters the `finally` block of a generated `try` statement. - */ - function beginFinallyBlock() { - ts.Debug.assert(peekBlockKind() === 0 /* Exception */); - var exception = peekBlock(); - ts.Debug.assert(exception.state < 2 /* Finally */); - var endLabel = exception.endLabel; - emitBreak(endLabel); - var finallyLabel = defineLabel(); - markLabel(finallyLabel); - exception.state = 2 /* Finally */; - exception.finallyLabel = finallyLabel; - } - /** - * Ends the code block for a generated `try` statement. - */ - function endExceptionBlock() { - ts.Debug.assert(peekBlockKind() === 0 /* Exception */); - var exception = endBlock(); - var state = exception.state; - if (state < 2 /* Finally */) { - emitBreak(exception.endLabel); + if (currentState.thisName) { + // if alias for this is set + if (outerConvertedLoopState) { + // pass it to outer converted loop + outerConvertedLoopState.thisName = currentState.thisName; + } + else { + // this is top level converted loop so we need to create an alias for 'this' here + // NOTE: + // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. + // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. + (extraVariableDeclarations || (extraVariableDeclarations = [])).push(ts.createVariableDeclaration(currentState.thisName, + /*type*/ undefined, ts.createIdentifier("this"))); + } + } + if (currentState.hoistedLocalVariables) { + // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later + if (outerConvertedLoopState) { + // pass them to outer converted loop + outerConvertedLoopState.hoistedLocalVariables = currentState.hoistedLocalVariables; + } + else { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + // hoist collected variable declarations + for (var _b = 0, _c = currentState.hoistedLocalVariables; _b < _c.length; _b++) { + var identifier = _c[_b]; + extraVariableDeclarations.push(ts.createVariableDeclaration(identifier)); + } + } + } + // add extra variables to hold out parameters if necessary + if (loopOutParameters.length) { + if (!extraVariableDeclarations) { + extraVariableDeclarations = []; + } + for (var _d = 0, loopOutParameters_1 = loopOutParameters; _d < loopOutParameters_1.length; _d++) { + var outParam = loopOutParameters_1[_d]; + extraVariableDeclarations.push(ts.createVariableDeclaration(outParam.outParamName)); + } + } + // create variable statement to hold all introduced variable declarations + if (extraVariableDeclarations) { + statements.push(ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList(extraVariableDeclarations))); + } + var convertedLoopBodyStatements = generateCallToConvertedLoop(functionName, loopParameters, currentState, isAsyncBlockContainingAwait); + var loop; + if (convert) { + loop = convert(node, convertedLoopBodyStatements); } else { - emitEndfinally(); + loop = ts.getMutableClone(node); + // clean statement part + loop.statement = undefined; + // visit childnodes to transform initializer/condition/incrementor parts + loop = ts.visitEachChild(loop, visitor, context); + // set loop statement + loop.statement = ts.createBlock(convertedLoopBodyStatements, + /*location*/ undefined, + /*multiline*/ true); + // reset and re-aggregate the transform flags + loop.transformFlags = 0; + ts.aggregateTransformFlags(loop); } - markLabel(exception.endLabel); - emitNop(); - exception.state = 3 /* Done */; - } - function isExceptionBlock(block) { - return block.kind === 0 /* Exception */; - } - /** - * Begins a code block that supports `break` or `continue` statements that are defined in - * the source tree and not from generated code. - * - * @param labelText Names from containing labeled statements. - */ - function beginScriptLoopBlock() { - beginBlock({ - kind: 3 /* Loop */, - isScript: true, - breakLabel: -1, - continueLabel: -1 - }); + statements.push(currentParent.kind === 215 /* LabeledStatement */ + ? ts.createLabel(currentParent.label, loop) + : loop); + return statements; } - /** - * Begins a code block that supports `break` or `continue` statements that are defined in - * generated code. Returns a label used to mark the operation to which to jump when a - * `break` statement targets this block. - * - * @param continueLabel A Label used to mark the operation to which to jump when a - * `continue` statement targets this block. - */ - function beginLoopBlock(continueLabel) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 3 /* Loop */, - isScript: false, - breakLabel: breakLabel, - continueLabel: continueLabel - }); - return breakLabel; + function copyOutParameter(outParam, copyDirection) { + var source = copyDirection === 0 /* ToOriginal */ ? outParam.outParamName : outParam.originalName; + var target = copyDirection === 0 /* ToOriginal */ ? outParam.originalName : outParam.outParamName; + return ts.createBinary(target, 57 /* EqualsToken */, source); } - /** - * Ends a code block that supports `break` or `continue` statements that are defined in - * generated code or in the source tree. - */ - function endLoopBlock() { - ts.Debug.assert(peekBlockKind() === 3 /* Loop */); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function copyOutParameters(outParams, copyDirection, statements) { + for (var _i = 0, outParams_1 = outParams; _i < outParams_1.length; _i++) { + var outParam = outParams_1[_i]; + statements.push(ts.createStatement(copyOutParameter(outParam, copyDirection))); } } - /** - * Begins a code block that supports `break` statements that are defined in the source - * tree and not from generated code. - * - */ - function beginScriptSwitchBlock() { - beginBlock({ - kind: 2 /* Switch */, - isScript: true, - breakLabel: -1 - }); - } - /** - * Begins a code block that supports `break` statements that are defined in generated code. - * Returns a label used to mark the operation to which to jump when a `break` statement - * targets this block. - */ - function beginSwitchBlock() { - var breakLabel = defineLabel(); - beginBlock({ - kind: 2 /* Switch */, - isScript: false, - breakLabel: breakLabel - }); - return breakLabel; - } - /** - * Ends a code block that supports `break` statements that are defined in generated code. - */ - function endSwitchBlock() { - ts.Debug.assert(peekBlockKind() === 2 /* Switch */); - var block = endBlock(); - var breakLabel = block.breakLabel; - if (!block.isScript) { - markLabel(breakLabel); + function generateCallToConvertedLoop(loopFunctionExpressionName, parameters, state, isAsyncBlockContainingAwait) { + var outerConvertedLoopState = convertedLoopState; + var statements = []; + // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop + // simple loops are emitted as just 'loop()'; + // NOTE: if loop uses only 'continue' it still will be emitted as simple loop + var isSimpleLoop = !(state.nonLocalJumps & ~4 /* Continue */) && + !state.labeledNonLocalBreaks && + !state.labeledNonLocalContinues; + var call = ts.createCall(loopFunctionExpressionName, /*typeArguments*/ undefined, ts.map(parameters, function (p) { return p.name; })); + var callResult = isAsyncBlockContainingAwait ? ts.createYield(ts.createToken(38 /* AsteriskToken */), call) : call; + if (isSimpleLoop) { + statements.push(ts.createStatement(callResult)); + copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); } - } - function beginScriptLabeledBlock(labelText) { - beginBlock({ - kind: 4 /* Labeled */, - isScript: true, - labelText: labelText, - breakLabel: -1 - }); - } - function beginLabeledBlock(labelText) { - var breakLabel = defineLabel(); - beginBlock({ - kind: 4 /* Labeled */, - isScript: false, - labelText: labelText, - breakLabel: breakLabel - }); - } - function endLabeledBlock() { - ts.Debug.assert(peekBlockKind() === 4 /* Labeled */); - var block = endBlock(); - if (!block.isScript) { - markLabel(block.breakLabel); + else { + var loopResultName = ts.createUniqueName("state"); + var stateVariable = ts.createVariableStatement( + /*modifiers*/ undefined, ts.createVariableDeclarationList([ts.createVariableDeclaration(loopResultName, /*type*/ undefined, callResult)])); + statements.push(stateVariable); + copyOutParameters(state.loopOutParameters, 0 /* ToOriginal */, statements); + if (state.nonLocalJumps & 8 /* Return */) { + var returnStatement = void 0; + if (outerConvertedLoopState) { + outerConvertedLoopState.nonLocalJumps |= 8 /* Return */; + returnStatement = ts.createReturn(loopResultName); + } + else { + returnStatement = ts.createReturn(ts.createPropertyAccess(loopResultName, "value")); + } + statements.push(ts.createIf(ts.createBinary(ts.createTypeOf(loopResultName), 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("object")), returnStatement)); + } + if (state.nonLocalJumps & 2 /* Break */) { + statements.push(ts.createIf(ts.createBinary(loopResultName, 33 /* EqualsEqualsEqualsToken */, ts.createLiteral("break")), ts.createBreak())); + } + if (state.labeledNonLocalBreaks || state.labeledNonLocalContinues) { + var caseClauses = []; + processLabeledJumps(state.labeledNonLocalBreaks, /*isBreak*/ true, loopResultName, outerConvertedLoopState, caseClauses); + processLabeledJumps(state.labeledNonLocalContinues, /*isBreak*/ false, loopResultName, outerConvertedLoopState, caseClauses); + statements.push(ts.createSwitch(loopResultName, ts.createCaseBlock(caseClauses))); + } } + return statements; } - /** - * Indicates whether the provided block supports `break` statements. - * - * @param block A code block. - */ - function supportsUnlabeledBreak(block) { - return block.kind === 2 /* Switch */ - || block.kind === 3 /* Loop */; - } - /** - * Indicates whether the provided block supports `break` statements with labels. - * - * @param block A code block. - */ - function supportsLabeledBreakOrContinue(block) { - return block.kind === 4 /* Labeled */; - } - /** - * Indicates whether the provided block supports `continue` statements. - * - * @param block A code block. - */ - function supportsUnlabeledContinue(block) { - return block.kind === 3 /* Loop */; + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = ts.createMap(); + } + state.labeledNonLocalBreaks[labelText] = labelMarker; + } + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = ts.createMap(); + } + state.labeledNonLocalContinues[labelText] = labelMarker; + } } - function hasImmediateContainingLabeledBlock(labelText, start) { - for (var j = start; j >= 0; j--) { - var containingBlock = blockStack[j]; - if (supportsLabeledBreakOrContinue(containingBlock)) { - if (containingBlock.labelText === labelText) { - return true; - } + function processLabeledJumps(table, isBreak, loopResultName, outerLoop, caseClauses) { + if (!table) { + return; + } + for (var labelText in table) { + var labelMarker = table[labelText]; + var statements = []; + // if there are no outer converted loop or outer label in question is located inside outer converted loop + // then emit labeled break\continue + // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + var label = ts.createIdentifier(labelText); + statements.push(isBreak ? ts.createBreak(label) : ts.createContinue(label)); } else { - break; + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + statements.push(ts.createReturn(loopResultName)); } + caseClauses.push(ts.createCaseClause(ts.createLiteral(labelMarker), statements)); } - return false; } - /** - * Finds the label that is the target for a `break` statement. - * - * @param labelText An optional name of a containing labeled statement. - */ - function findBreakTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { - return block.breakLabel; - } - else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.breakLabel; + function processLoopVariableDeclaration(decl, loopParameters, loopOutParameters) { + var name = decl.name; + if (ts.isBindingPattern(name)) { + for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (!ts.isOmittedExpression(element)) { + processLoopVariableDeclaration(element, loopParameters, loopOutParameters); } } } else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledBreak(block)) { - return block.breakLabel; - } + loopParameters.push(ts.createParameter(name)); + if (resolver.getNodeCheckFlags(decl) & 2097152 /* NeedsLoopOutParameter */) { + var outParamName = ts.createUniqueName("out_" + name.text); + loopOutParameters.push({ originalName: name, outParamName: outParamName }); } } - return 0; } /** - * Finds the label that is the target for a `continue` statement. + * Adds the members of an object literal to an array of expressions. * - * @param labelText An optional name of a containing labeled statement. + * @param expressions An array of expressions. + * @param node An ObjectLiteralExpression node. + * @param receiver The receiver for members of the ObjectLiteralExpression. + * @param numInitialNonComputedProperties The number of initial properties without + * computed property names. */ - function findContinueTarget(labelText) { - ts.Debug.assert(blocks !== undefined); - if (labelText) { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { - return block.continueLabel; - } + function addObjectLiteralMembers(expressions, node, receiver, start) { + var properties = node.properties; + var numProperties = properties.length; + for (var i = start; i < numProperties; i++) { + var property = properties[i]; + switch (property.kind) { + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property === accessors.firstAccessor) { + expressions.push(transformAccessorsToExpression(receiver, accessors, node.multiLine)); + } + break; + case 253 /* PropertyAssignment */: + expressions.push(transformPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 254 /* ShorthandPropertyAssignment */: + expressions.push(transformShorthandPropertyAssignmentToExpression(property, receiver, node.multiLine)); + break; + case 148 /* MethodDeclaration */: + expressions.push(transformObjectLiteralMethodDeclarationToExpression(property, receiver, node.multiLine)); + break; + default: + ts.Debug.failBadSyntaxKind(node); + break; } } - else { - for (var i = blockStack.length - 1; i >= 0; i--) { - var block = blockStack[i]; - if (supportsUnlabeledContinue(block)) { - return block.continueLabel; - } - } + } + /** + * Transforms a PropertyAssignment node into an expression. + * + * @param node The ObjectLiteralExpression that contains the PropertyAssignment. + * @param property The PropertyAssignment node. + * @param receiver The receiver for the assignment. + */ + function transformPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.visitNode(property.initializer, visitor, ts.isExpression), + /*location*/ property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return 0; + return expression; } /** - * Creates an expression that can be used to indicate the value for a label. + * Transforms a ShorthandPropertyAssignment node into an expression. * - * @param label A label. + * @param node The ObjectLiteralExpression that contains the ShorthandPropertyAssignment. + * @param property The ShorthandPropertyAssignment node. + * @param receiver The receiver for the assignment. */ - function createLabel(label) { - if (label > 0) { - if (labelExpressions === undefined) { - labelExpressions = []; - } - var expression = ts.createSynthesizedNode(8 /* NumericLiteral */); - if (labelExpressions[label] === undefined) { - labelExpressions[label] = [expression]; - } - else { - labelExpressions[label].push(expression); - } - return expression; + function transformShorthandPropertyAssignmentToExpression(property, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(property.name, visitor, ts.isPropertyName)), ts.getSynthesizedClone(property.name), + /*location*/ property); + if (startsOnNewLine) { + expression.startsOnNewLine = true; } - return ts.createNode(194 /* OmittedExpression */); + return expression; } /** - * Creates a numeric literal for the provided instruction. + * Transforms a MethodDeclaration of an ObjectLiteralExpression into an expression. + * + * @param node The ObjectLiteralExpression that contains the MethodDeclaration. + * @param method The MethodDeclaration node. + * @param receiver The receiver for the assignment. */ - function createInstruction(instruction) { - var literal = ts.createLiteral(instruction); - literal.trailingComment = instructionNames[instruction]; - return literal; + function transformObjectLiteralMethodDeclarationToExpression(method, receiver, startsOnNewLine) { + var expression = ts.createAssignment(ts.createMemberAccessForPropertyName(receiver, ts.visitNode(method.name, visitor, ts.isPropertyName)), transformFunctionLikeToExpression(method, /*location*/ method, /*name*/ undefined), + /*location*/ method); + if (startsOnNewLine) { + expression.startsOnNewLine = true; + } + return expression; + } + function visitCatchClause(node) { + ts.Debug.assert(ts.isBindingPattern(node.variableDeclaration.name)); + var temp = ts.createTempVariable(undefined); + var newVariableDeclaration = ts.createVariableDeclaration(temp, undefined, undefined, node.variableDeclaration); + var vars = ts.flattenVariableDestructuring(node.variableDeclaration, temp, visitor); + var list = ts.createVariableDeclarationList(vars, /*location*/ node.variableDeclaration, /*flags*/ node.variableDeclaration.flags); + var destructure = ts.createVariableStatement(undefined, list); + return ts.updateCatchClause(node, newVariableDeclaration, addStatementToStartOfBlock(node.block, destructure)); + } + function addStatementToStartOfBlock(block, statement) { + var transformedStatements = ts.visitNodes(block.statements, visitor, ts.isStatement); + return ts.updateBlock(block, [statement].concat(transformedStatements)); } /** - * Creates a statement that can be used indicate a Break operation to the provided label. + * Visits a MethodDeclaration of an ObjectLiteralExpression and transforms it into a + * PropertyAssignment. * - * @param label A label. - * @param location An optional source map location for the statement. + * @param node A MethodDeclaration node. */ - function createInlineBreak(label, location) { - ts.Debug.assert(label > 0, "Invalid label: " + label); - return ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), location); + function visitMethodDeclaration(node) { + // We should only get here for methods on an object literal with regular identifier names. + // Methods on classes are handled in visitClassDeclaration/visitClassExpression. + // Methods with computed property names are handled in visitObjectLiteralExpression. + ts.Debug.assert(!ts.isComputedPropertyName(node.name)); + var functionExpression = transformFunctionLikeToExpression(node, /*location*/ ts.moveRangePos(node, -1), /*name*/ undefined); + ts.setEmitFlags(functionExpression, 16384 /* NoLeadingComments */ | ts.getEmitFlags(functionExpression)); + return ts.createPropertyAssignment(node.name, functionExpression, + /*location*/ node); } /** - * Creates a statement that can be used indicate a Return operation. + * Visits a ShorthandPropertyAssignment and transforms it into a PropertyAssignment. * - * @param expression The expression for the return statement. - * @param location An optional source map location for the statement. + * @param node A ShorthandPropertyAssignment node. */ - function createInlineReturn(expression, location) { - return ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2 /* Return */), expression] - : [createInstruction(2 /* Return */)]), location); + function visitShorthandPropertyAssignment(node) { + return ts.createPropertyAssignment(node.name, ts.getSynthesizedClone(node.name), + /*location*/ node); } /** - * Creates an expression that can be used to resume from a Yield operation. + * Visits a YieldExpression node. + * + * @param node A YieldExpression node. */ - function createGeneratorResume(location) { - return ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [], location); + function visitYieldExpression(node) { + // `yield` expressions are transformed using the generators transformer. + return ts.visitEachChild(node, visitor, context); } /** - * Emits an empty instruction. + * Visits an ArrayLiteralExpression that contains a spread element. + * + * @param node An ArrayLiteralExpression node. */ - function emitNop() { - emitWorker(0 /* Nop */); + function visitArrayLiteralExpression(node) { + // We are here because we contain a SpreadElementExpression. + return transformAndSpreadElements(node.elements, /*needsUniqueCopy*/ true, node.multiLine, /*hasTrailingComma*/ node.elements.hasTrailingComma); } /** - * Emits a Statement. + * Visits a CallExpression that contains either a spread element or `super`. * - * @param node A statement. + * @param node a CallExpression. */ - function emitStatement(node) { - if (node) { - emitWorker(1 /* Statement */, [node]); + function visitCallExpression(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ true); + } + function visitImmediateSuperCallInBody(node) { + return visitCallExpressionWithPotentialCapturedThisAssignment(node, /*assignToCapturedThis*/ false); + } + function visitCallExpressionWithPotentialCapturedThisAssignment(node, assignToCapturedThis) { + // We are here either because SuperKeyword was used somewhere in the expression, or + // because we contain a SpreadElementExpression. + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + if (node.expression.kind === 96 /* SuperKeyword */) { + ts.setEmitFlags(thisArg, 128 /* NoSubstitution */); + } + var resultingCall; + if (node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) { + // [source] + // f(...a, b) + // x.m(...a, b) + // super(...a, b) + // super.m(...a, b) // in static + // super.m(...a, b) // in instance + // + // [output] + // f.apply(void 0, a.concat([b])) + // (_a = x).m.apply(_a, a.concat([b])) + // _super.apply(this, a.concat([b])) + // _super.m.apply(this, a.concat([b])) + // _super.prototype.m.apply(this, a.concat([b])) + resultingCall = ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), transformAndSpreadElements(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)); } else { - emitNop(); + // [source] + // super(a) + // super.m(a) // in static + // super.m(a) // in instance + // + // [output] + // _super.call(this, a) + // _super.m.call(this, a) + // _super.prototype.m.call(this, a) + resultingCall = ts.createFunctionCall(ts.visitNode(target, visitor, ts.isExpression), ts.visitNode(thisArg, visitor, ts.isExpression), ts.visitNodes(node.arguments, visitor, ts.isExpression), + /*location*/ node); + } + if (node.expression.kind === 96 /* SuperKeyword */) { + var actualThis = ts.createThis(); + ts.setEmitFlags(actualThis, 128 /* NoSubstitution */); + var initializer = ts.createLogicalOr(resultingCall, actualThis); + return assignToCapturedThis + ? ts.createAssignment(ts.createIdentifier("_this"), initializer) + : initializer; } + return resultingCall; } /** - * Emits an Assignment operation. + * Visits a NewExpression that contains a spread element. * - * @param left The left-hand side of the assignment. - * @param right The right-hand side of the assignment. - * @param location An optional source map location for the assignment. + * @param node A NewExpression node. */ - function emitAssignment(left, right, location) { - emitWorker(2 /* Assign */, [left, right], location); + function visitNewExpression(node) { + // We are here because we contain a SpreadElementExpression. + ts.Debug.assert((node.transformFlags & 1048576 /* ContainsSpreadElementExpression */) !== 0); + // [source] + // new C(...a) + // + // [output] + // new ((_a = C).bind.apply(_a, [void 0].concat(a)))() + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.createNew(ts.createFunctionApply(ts.visitNode(target, visitor, ts.isExpression), thisArg, transformAndSpreadElements(ts.createNodeArray([ts.createVoidZero()].concat(node.arguments)), /*needsUniqueCopy*/ false, /*multiLine*/ false, /*hasTrailingComma*/ false)), + /*typeArguments*/ undefined, []); } /** - * Emits a Break operation to the specified label. + * Transforms an array of Expression nodes that contains a SpreadElementExpression. * - * @param label A label. - * @param location An optional source map location for the assignment. + * @param elements The array of Expression nodes. + * @param needsUniqueCopy A value indicating whether to ensure that the result is a fresh array. + * @param multiLine A value indicating whether the result should be emitted on multiple lines. */ - function emitBreak(label, location) { - emitWorker(3 /* Break */, [label], location); + function transformAndSpreadElements(elements, needsUniqueCopy, multiLine, hasTrailingComma) { + // [source] + // [a, ...b, c] + // + // [output] + // [a].concat(b, [c]) + // Map spans of spread expressions into their expressions and spans of other + // expressions into an array literal. + var numElements = elements.length; + var segments = ts.flatten(ts.spanMap(elements, partitionSpreadElement, function (partition, visitPartition, _start, end) { + return visitPartition(partition, multiLine, hasTrailingComma && end === numElements); + })); + if (segments.length === 1) { + var firstElement = elements[0]; + return needsUniqueCopy && ts.isSpreadElementExpression(firstElement) && firstElement.expression.kind !== 171 /* ArrayLiteralExpression */ + ? ts.createArraySlice(segments[0]) + : segments[0]; + } + // Rewrite using the pattern .concat(, , ...) + return ts.createArrayConcat(segments.shift(), segments); } - /** - * Emits a Break operation to the specified label when a condition evaluates to a truthy - * value at runtime. - * - * @param label A label. - * @param condition The condition. - * @param location An optional source map location for the assignment. - */ - function emitBreakWhenTrue(label, condition, location) { - emitWorker(4 /* BreakWhenTrue */, [label, condition], location); + function partitionSpreadElement(node) { + return ts.isSpreadElementExpression(node) + ? visitSpanOfSpreadElements + : visitSpanOfNonSpreadElements; + } + function visitSpanOfSpreadElements(chunk) { + return ts.map(chunk, visitExpressionOfSpreadElement); + } + function visitSpanOfNonSpreadElements(chunk, multiLine, hasTrailingComma) { + return ts.createArrayLiteral(ts.visitNodes(ts.createNodeArray(chunk, /*location*/ undefined, hasTrailingComma), visitor, ts.isExpression), + /*location*/ undefined, multiLine); } /** - * Emits a Break to the specified label when a condition evaluates to a falsey value at - * runtime. + * Transforms the expression of a SpreadElementExpression node. * - * @param label A label. - * @param condition The condition. - * @param location An optional source map location for the assignment. + * @param node A SpreadElementExpression node. */ - function emitBreakWhenFalse(label, condition, location) { - emitWorker(5 /* BreakWhenFalse */, [label, condition], location); + function visitExpressionOfSpreadElement(node) { + return ts.visitNode(node.expression, visitor, ts.isExpression); } /** - * Emits a YieldStar operation for the provided expression. + * Visits a template literal. * - * @param expression An optional value for the yield operation. - * @param location An optional source map location for the assignment. + * @param node A template literal. */ - function emitYieldStar(expression, location) { - emitWorker(7 /* YieldStar */, [expression], location); + function visitTemplateLiteral(node) { + return ts.createLiteral(node.text, /*location*/ node); } /** - * Emits a Yield operation for the provided expression. + * Visits a TaggedTemplateExpression node. * - * @param expression An optional value for the yield operation. - * @param location An optional source map location for the assignment. + * @param node A TaggedTemplateExpression node. */ - function emitYield(expression, location) { - emitWorker(6 /* Yield */, [expression], location); + function visitTaggedTemplateExpression(node) { + // Visit the tag expression + var tag = ts.visitNode(node.tag, visitor, ts.isExpression); + // Allocate storage for the template site object + var temp = ts.createTempVariable(hoistVariableDeclaration); + // Build up the template arguments and the raw and cooked strings for the template. + var templateArguments = [temp]; + var cookedStrings = []; + var rawStrings = []; + var template = node.template; + if (ts.isNoSubstitutionTemplateLiteral(template)) { + cookedStrings.push(ts.createLiteral(template.text)); + rawStrings.push(getRawLiteral(template)); + } + else { + cookedStrings.push(ts.createLiteral(template.head.text)); + rawStrings.push(getRawLiteral(template.head)); + for (var _i = 0, _a = template.templateSpans; _i < _a.length; _i++) { + var templateSpan = _a[_i]; + cookedStrings.push(ts.createLiteral(templateSpan.literal.text)); + rawStrings.push(getRawLiteral(templateSpan.literal)); + templateArguments.push(ts.visitNode(templateSpan.expression, visitor, ts.isExpression)); + } + } + // NOTE: The parentheses here is entirely optional as we are now able to auto- + // parenthesize when rebuilding the tree. This should be removed in a + // future version. It is here for now to match our existing emit. + return ts.createParen(ts.inlineExpressions([ + ts.createAssignment(temp, ts.createArrayLiteral(cookedStrings)), + ts.createAssignment(ts.createPropertyAccess(temp, "raw"), ts.createArrayLiteral(rawStrings)), + ts.createCall(tag, /*typeArguments*/ undefined, templateArguments) + ])); } /** - * Emits a Return operation for the provided expression. + * Creates an ES5 compatible literal from an ES6 template literal. * - * @param expression An optional value for the operation. - * @param location An optional source map location for the assignment. + * @param node The ES6 template literal. */ - function emitReturn(expression, location) { - emitWorker(8 /* Return */, [expression], location); + function getRawLiteral(node) { + // Find original source text, since we need to emit the raw strings of the tagged template. + // The raw strings contain the (escaped) strings of what the user wrote. + // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". + var text = ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node); + // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), + // thus we need to remove those characters. + // First template piece starts with "`", others with "}" + // Last template piece ends with "`", others with "${" + var isLast = node.kind === 12 /* NoSubstitutionTemplateLiteral */ || node.kind === 15 /* TemplateTail */; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + // Newline normalization: + // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's + // and LineTerminatorSequences are normalized to for both TV and TRV. + text = text.replace(/\r\n?/g, "\n"); + return ts.createLiteral(text, /*location*/ node); } /** - * Emits a Throw operation for the provided expression. + * Visits a TemplateExpression node. * - * @param expression A value for the operation. - * @param location An optional source map location for the assignment. + * @param node A TemplateExpression node. */ - function emitThrow(expression, location) { - emitWorker(9 /* Throw */, [expression], location); + function visitTemplateExpression(node) { + var expressions = []; + addTemplateHead(expressions, node); + addTemplateSpans(expressions, node); + // createAdd will check if each expression binds less closely than binary '+'. + // If it does, it wraps the expression in parentheses. Otherwise, something like + // `abc${ 1 << 2 }` + // becomes + // "abc" + 1 << 2 + "" + // which is really + // ("abc" + 1) << (2 + "") + // rather than + // "abc" + (1 << 2) + "" + var expression = ts.reduceLeft(expressions, ts.createAdd); + if (ts.nodeIsSynthesized(expression)) { + ts.setTextRange(expression, node); + } + return expression; } /** - * Emits an Endfinally operation. This is used to handle `finally` block semantics. + * Gets a value indicating whether we need to include the head of a TemplateExpression. + * + * @param node A TemplateExpression node. */ - function emitEndfinally() { - emitWorker(10 /* Endfinally */); + function shouldAddTemplateHead(node) { + // If this expression has an empty head literal and the first template span has a non-empty + // literal, then emitting the empty head literal is not necessary. + // `${ foo } and ${ bar }` + // can be emitted as + // foo + " and " + bar + // This is because it is only required that one of the first two operands in the emit + // output must be a string literal, so that the other operand and all following operands + // are forced into strings. + // + // If the first template span has an empty literal, then the head must still be emitted. + // `${ foo }${ bar }` + // must still be emitted as + // "" + foo + bar + // There is always atleast one templateSpan in this code path, since + // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; } /** - * Emits an operation. + * Adds the head of a TemplateExpression to an array of expressions. * - * @param code The OpCode for the operation. - * @param args The optional arguments for the operation. + * @param expressions An array of expressions. + * @param node A TemplateExpression node. */ - function emitWorker(code, args, location) { - if (operations === undefined) { - operations = []; - operationArguments = []; - operationLocations = []; - } - if (labelOffsets === undefined) { - // mark entry point - markLabel(defineLabel()); + function addTemplateHead(expressions, node) { + if (!shouldAddTemplateHead(node)) { + return; } - var operationIndex = operations.length; - operations[operationIndex] = code; - operationArguments[operationIndex] = args; - operationLocations[operationIndex] = location; - } - /** - * Builds the generator function body. - */ - function build() { - blockIndex = 0; - labelNumber = 0; - labelNumbers = undefined; - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - clauses = undefined; - statements = undefined; - exceptionBlockStack = undefined; - currentExceptionBlock = undefined; - withBlockStack = undefined; - var buildResult = buildStatements(); - return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), - /*typeArguments*/ undefined, [ - ts.createThis(), - ts.setEmitFlags(ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ts.createParameter(state)], - /*type*/ undefined, ts.createBlock(buildResult, - /*location*/ undefined, - /*multiLine*/ buildResult.length > 0)), 4194304 /* ReuseTempVariableScope */) - ]); + expressions.push(ts.createLiteral(node.head.text)); } /** - * Builds the statements for the generator function body. + * Visits and adds the template spans of a TemplateExpression to an array of expressions. + * + * @param expressions An array of expressions. + * @param node A TemplateExpression node. */ - function buildStatements() { - if (operations) { - for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { - writeOperation(operationIndex); + function addTemplateSpans(expressions, node) { + for (var _i = 0, _a = node.templateSpans; _i < _a.length; _i++) { + var span_6 = _a[_i]; + expressions.push(ts.visitNode(span_6.expression, visitor, ts.isExpression)); + // Only emit if the literal is non-empty. + // The binary '+' operator is left-associative, so the first string concatenation + // with the head will force the result up to this point to be a string. + // Emitting a '+ ""' has no semantic effect for middles and tails. + if (span_6.literal.text.length !== 0) { + expressions.push(ts.createLiteral(span_6.literal.text)); } - flushFinalLabel(operations.length); - } - else { - flushFinalLabel(0); - } - if (clauses) { - var labelExpression = ts.createPropertyAccess(state, "label"); - var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); - switchStatement.startsOnNewLine = true; - return [switchStatement]; - } - if (statements) { - return statements; } - return []; } /** - * Flush the current label and advance to a new label. + * Visits the `super` keyword */ - function flushLabel() { - if (!statements) { - return; - } - appendLabel(/*markLabelEnd*/ !lastOperationWasAbrupt); - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - labelNumber++; + function visitSuperKeyword() { + return enclosingNonAsyncFunctionBody + && ts.isClassElement(enclosingNonAsyncFunctionBody) + && !ts.hasModifier(enclosingNonAsyncFunctionBody, 32 /* Static */) + && currentParent.kind !== 175 /* CallExpression */ + ? ts.createPropertyAccess(ts.createIdentifier("_super"), "prototype") + : ts.createIdentifier("_super"); } - /** - * Flush the final label of the generator function body. - */ - function flushFinalLabel(operationIndex) { - if (isFinalLabelReachable(operationIndex)) { - tryEnterLabel(operationIndex); - withBlockStack = undefined; - writeReturn(/*expression*/ undefined, /*operationLocation*/ undefined); - } - if (statements && clauses) { - appendLabel(/*markLabelEnd*/ false); - } - updateLabelExpressions(); + function visitSourceFileNode(node) { + var _a = ts.span(node.statements, ts.isPrologueDirective), prologue = _a[0], remaining = _a[1]; + var statements = []; + startLexicalEnvironment(); + ts.addRange(statements, prologue); + addCaptureThisForNodeIfNeeded(statements, node); + ts.addRange(statements, ts.visitNodes(ts.createNodeArray(remaining), visitor, ts.isStatement)); + ts.addRange(statements, endLexicalEnvironment()); + var clone = ts.getMutableClone(node); + clone.statements = ts.createNodeArray(statements, /*location*/ node.statements); + return clone; } /** - * Tests whether the final label of the generator function body - * is reachable by user code. + * Called by the printer just before a node is printed. + * + * @param node The node to be printed. */ - function isFinalLabelReachable(operationIndex) { - // if the last operation was *not* a completion (return/throw) then - // the final label is reachable. - if (!lastOperationWasCompletion) { - return true; - } - // if there are no labels defined or referenced, then the final label is - // not reachable. - if (!labelOffsets || !labelExpressions) { - return false; - } - // if the label for this offset is referenced, then the final label - // is reachable. - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex && labelExpressions[label]) { - return true; - } + function onEmitNode(emitContext, node, emitCallback) { + var savedEnclosingFunction = enclosingFunction; + if (enabledSubstitutions & 1 /* CapturedThis */ && ts.isFunctionLike(node)) { + // If we are tracking a captured `this`, keep track of the enclosing function. + enclosingFunction = node; } - return false; + previousOnEmitNode(emitContext, node, emitCallback); + enclosingFunction = savedEnclosingFunction; } /** - * Appends a case clause for the last label and sets the new label. - * - * @param markLabelEnd Indicates that the transition between labels was a fall-through - * from a previous case clause and the change in labels should be - * reflected on the `state` object. + * Enables a more costly code path for substitutions when we determine a source file + * contains block-scoped bindings (e.g. `let` or `const`). */ - function appendLabel(markLabelEnd) { - if (!clauses) { - clauses = []; - } - if (statements) { - if (withBlockStack) { - // The previous label was nested inside one or more `with` blocks, so we - // surround the statements in generated `with` blocks to create the same environment. - for (var i = withBlockStack.length - 1; i >= 0; i--) { - var withBlock = withBlockStack[i]; - statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; - } - } - if (currentExceptionBlock) { - // The previous label was nested inside of an exception block, so we must - // indicate entry into a protected region by pushing the label numbers - // for each block in the protected region. - var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; - statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), - /*typeArguments*/ undefined, [ - ts.createArrayLiteral([ - createLabel(startLabel), - createLabel(catchLabel), - createLabel(finallyLabel), - createLabel(endLabel) - ]) - ]))); - currentExceptionBlock = undefined; - } - if (markLabelEnd) { - // The case clause for the last label falls through to this label, so we - // add an assignment statement to reflect the change in labels. - statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); - } + function enableSubstitutionsForBlockScopedBindings() { + if ((enabledSubstitutions & 2 /* BlockScopedBindings */) === 0) { + enabledSubstitutions |= 2 /* BlockScopedBindings */; + context.enableSubstitution(70 /* Identifier */); } - clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); - statements = undefined; } /** - * Tries to enter into a new label at the current operation index. + * Enables a more costly code path for substitutions when we determine a source file + * contains a captured `this`. */ - function tryEnterLabel(operationIndex) { - if (!labelOffsets) { - return; - } - for (var label = 0; label < labelOffsets.length; label++) { - if (labelOffsets[label] === operationIndex) { - flushLabel(); - if (labelNumbers === undefined) { - labelNumbers = []; - } - if (labelNumbers[labelNumber] === undefined) { - labelNumbers[labelNumber] = [label]; - } - else { - labelNumbers[labelNumber].push(label); - } - } + function enableSubstitutionsForCapturedThis() { + if ((enabledSubstitutions & 1 /* CapturedThis */) === 0) { + enabledSubstitutions |= 1 /* CapturedThis */; + context.enableSubstitution(98 /* ThisKeyword */); + context.enableEmitNotification(149 /* Constructor */); + context.enableEmitNotification(148 /* MethodDeclaration */); + context.enableEmitNotification(150 /* GetAccessor */); + context.enableEmitNotification(151 /* SetAccessor */); + context.enableEmitNotification(181 /* ArrowFunction */); + context.enableEmitNotification(180 /* FunctionExpression */); + context.enableEmitNotification(221 /* FunctionDeclaration */); } } /** - * Updates literal expressions for labels with actual label numbers. - */ - function updateLabelExpressions() { - if (labelExpressions !== undefined && labelNumbers !== undefined) { - for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { - var labels = labelNumbers[labelNumber_1]; - if (labels !== undefined) { - for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { - var label = labels_1[_i]; - var expressions = labelExpressions[label]; - if (expressions !== undefined) { - for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { - var expression = expressions_1[_a]; - expression.text = String(labelNumber_1); - } - } - } - } - } + * Hooks node substitutions. + * + * @param node The node to substitute. + * @param isExpression A value indicating whether the node is to be used in an expression + * position. + */ + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } + if (ts.isIdentifier(node)) { + return substituteIdentifier(node); + } + return node; } /** - * Tries to enter or leave a code block. + * Hooks substitutions for non-expression identifiers. */ - function tryEnterOrLeaveBlock(operationIndex) { - if (blocks) { - for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { - var block = blocks[blockIndex]; - var blockAction = blockActions[blockIndex]; - if (isExceptionBlock(block)) { - if (blockAction === 0 /* Open */) { - if (!exceptionBlockStack) { - exceptionBlockStack = []; - } - if (!statements) { - statements = []; - } - exceptionBlockStack.push(currentExceptionBlock); - currentExceptionBlock = block; - } - else if (blockAction === 1 /* Close */) { - currentExceptionBlock = exceptionBlockStack.pop(); - } - } - else if (isWithBlock(block)) { - if (blockAction === 0 /* Open */) { - if (!withBlockStack) { - withBlockStack = []; - } - withBlockStack.push(block); - } - else if (blockAction === 1 /* Close */) { - withBlockStack.pop(); - } - } + function substituteIdentifier(node) { + // Only substitute the identifier if we have enabled substitutions for block-scoped + // bindings. + if (enabledSubstitutions & 2 /* BlockScopedBindings */) { + var original = ts.getParseTreeNode(node, ts.isIdentifier); + if (original && isNameOfDeclarationWithCollidingName(original)) { + return ts.getGeneratedNameForNode(original); } } + return node; } /** - * Writes an operation as a statement to the current label's statement list. + * Determines whether a name is the name of a declaration with a colliding name. + * NOTE: This function expects to be called with an original source tree node. * - * @param operation The OpCode of the operation + * @param node An original source tree node. */ - function writeOperation(operationIndex) { - tryEnterLabel(operationIndex); - tryEnterOrLeaveBlock(operationIndex); - // early termination, nothing else to process in this label - if (lastOperationWasAbrupt) { - return; - } - lastOperationWasAbrupt = false; - lastOperationWasCompletion = false; - var opcode = operations[operationIndex]; - if (opcode === 0 /* Nop */) { - return; - } - else if (opcode === 10 /* Endfinally */) { - return writeEndfinally(); - } - var args = operationArguments[operationIndex]; - if (opcode === 1 /* Statement */) { - return writeStatement(args[0]); + function isNameOfDeclarationWithCollidingName(node) { + var parent = node.parent; + switch (parent.kind) { + case 170 /* BindingElement */: + case 222 /* ClassDeclaration */: + case 225 /* EnumDeclaration */: + case 219 /* VariableDeclaration */: + return parent.name === node + && resolver.isDeclarationWithCollidingName(parent); } - var location = operationLocations[operationIndex]; - switch (opcode) { - case 2 /* Assign */: - return writeAssign(args[0], args[1], location); - case 3 /* Break */: - return writeBreak(args[0], location); - case 4 /* BreakWhenTrue */: - return writeBreakWhenTrue(args[0], args[1], location); - case 5 /* BreakWhenFalse */: - return writeBreakWhenFalse(args[0], args[1], location); - case 6 /* Yield */: - return writeYield(args[0], location); - case 7 /* YieldStar */: - return writeYieldStar(args[0], location); - case 8 /* Return */: - return writeReturn(args[0], location); - case 9 /* Throw */: - return writeThrow(args[0], location); + return false; + } + /** + * Substitutes an expression. + * + * @param node An Expression node. + */ + function substituteExpression(node) { + switch (node.kind) { + case 70 /* Identifier */: + return substituteExpressionIdentifier(node); + case 98 /* ThisKeyword */: + return substituteThisKeyword(node); } + return node; } /** - * Writes a statement to the current label's statement list. + * Substitutes an expression identifier. * - * @param statement A statement to write. + * @param node An Identifier node. */ - function writeStatement(statement) { - if (statement) { - if (!statements) { - statements = [statement]; - } - else { - statements.push(statement); + function substituteExpressionIdentifier(node) { + if (enabledSubstitutions & 2 /* BlockScopedBindings */) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + return ts.getGeneratedNameForNode(declaration.name); } } + return node; } /** - * Writes an Assign operation to the current label's statement list. + * Substitutes `this` when contained within an arrow function. * - * @param left The left-hand side of the assignment. - * @param right The right-hand side of the assignment. - * @param operationLocation The source map location for the operation. + * @param node The ThisKeyword node. */ - function writeAssign(left, right, operationLocation) { - writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); + function substituteThisKeyword(node) { + if (enabledSubstitutions & 1 /* CapturedThis */ + && enclosingFunction + && ts.getEmitFlags(enclosingFunction) & 256 /* CapturesThis */) { + return ts.createIdentifier("_this", /*location*/ node); + } + return node; } /** - * Writes a Throw operation to the current label's statement list. + * Gets the local name for a declaration for use in expressions. * - * @param expression The value to throw. - * @param operationLocation The source map location for the operation. + * A local name will *never* be prefixed with an module or namespace export modifier like + * "exports.". + * + * @param node The declaration. + * @param allowComments A value indicating whether comments may be emitted for the name. + * @param allowSourceMaps A value indicating whether source maps may be emitted for the name. */ - function writeThrow(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createThrow(expression, operationLocation)); + function getLocalName(node, allowComments, allowSourceMaps) { + return getDeclarationName(node, allowComments, allowSourceMaps, 262144 /* LocalName */); } /** - * Writes a Return operation to the current label's statement list. + * Gets the name of a declaration, without source map or comments. * - * @param expression The value to return. - * @param operationLocation The source map location for the operation. + * @param node The declaration. + * @param allowComments Allow comments for the name. */ - function writeReturn(expression, operationLocation) { - lastOperationWasAbrupt = true; - lastOperationWasCompletion = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(2 /* Return */), expression] - : [createInstruction(2 /* Return */)]), operationLocation)); + function getDeclarationName(node, allowComments, allowSourceMaps, emitFlags) { + if (node.name && !ts.isGeneratedIdentifier(node.name)) { + var name_38 = ts.getMutableClone(node.name); + emitFlags |= ts.getEmitFlags(node.name); + if (!allowSourceMaps) { + emitFlags |= 1536 /* NoSourceMap */; + } + if (!allowComments) { + emitFlags |= 49152 /* NoComments */; + } + if (emitFlags) { + ts.setEmitFlags(name_38, emitFlags); + } + return name_38; + } + return ts.getGeneratedNameForNode(node); + } + function getClassMemberPrefix(node, member) { + var expression = getLocalName(node); + return ts.hasModifier(member, 32 /* Static */) ? expression : ts.createPropertyAccess(expression, "prototype"); + } + function hasSynthesizedDefaultSuperCall(constructor, hasExtendsClause) { + if (!constructor || !hasExtendsClause) { + return false; + } + var parameter = ts.singleOrUndefined(constructor.parameters); + if (!parameter || !ts.nodeIsSynthesized(parameter) || !parameter.dotDotDotToken) { + return false; + } + var statement = ts.firstOrUndefined(constructor.body.statements); + if (!statement || !ts.nodeIsSynthesized(statement) || statement.kind !== 203 /* ExpressionStatement */) { + return false; + } + var statementExpression = statement.expression; + if (!ts.nodeIsSynthesized(statementExpression) || statementExpression.kind !== 175 /* CallExpression */) { + return false; + } + var callTarget = statementExpression.expression; + if (!ts.nodeIsSynthesized(callTarget) || callTarget.kind !== 96 /* SuperKeyword */) { + return false; + } + var callArgument = ts.singleOrUndefined(statementExpression.arguments); + if (!callArgument || !ts.nodeIsSynthesized(callArgument) || callArgument.kind !== 192 /* SpreadElementExpression */) { + return false; + } + var expression = callArgument.expression; + return ts.isIdentifier(expression) && expression === parameter.name; + } + } + ts.transformES2015 = transformES2015; +})(ts || (ts = {})); +/// +/// +// Transforms generator functions into a compatible ES5 representation with similar runtime +// semantics. This is accomplished by first transforming the body of each generator +// function into an intermediate representation that is the compiled into a JavaScript +// switch statement. +// +// Many functions in this transformer will contain comments indicating the expected +// intermediate representation. For illustrative purposes, the following intermediate +// language is used to define this intermediate representation: +// +// .nop - Performs no operation. +// .local NAME, ... - Define local variable declarations. +// .mark LABEL - Mark the location of a label. +// .br LABEL - Jump to a label. If jumping out of a protected +// region, all .finally blocks are executed. +// .brtrue LABEL, (x) - Jump to a label IIF the expression `x` is truthy. +// If jumping out of a protected region, all .finally +// blocks are executed. +// .brfalse LABEL, (x) - Jump to a label IIF the expression `x` is falsey. +// If jumping out of a protected region, all .finally +// blocks are executed. +// .yield (x) - Yield the value of the optional expression `x`. +// Resume at the next label. +// .yieldstar (x) - Delegate yield to the value of the optional +// expression `x`. Resume at the next label. +// NOTE: `x` must be an Iterator, not an Iterable. +// .loop CONTINUE, BREAK - Marks the beginning of a loop. Any "continue" or +// "break" abrupt completions jump to the CONTINUE or +// BREAK labels, respectively. +// .endloop - Marks the end of a loop. +// .with (x) - Marks the beginning of a WithStatement block, using +// the supplied expression. +// .endwith - Marks the end of a WithStatement. +// .switch - Marks the beginning of a SwitchStatement. +// .endswitch - Marks the end of a SwitchStatement. +// .labeled NAME - Marks the beginning of a LabeledStatement with the +// supplied name. +// .endlabeled - Marks the end of a LabeledStatement. +// .try TRY, CATCH, FINALLY, END - Marks the beginning of a protected region, and the +// labels for each block. +// .catch (x) - Marks the beginning of a catch block. +// .finally - Marks the beginning of a finally block. +// .endfinally - Marks the end of a finally block. +// .endtry - Marks the end of a protected region. +// .throw (x) - Throws the value of the expression `x`. +// .return (x) - Returns the value of the expression `x`. +// +// In addition, the illustrative intermediate representation introduces some special +// variables: +// +// %sent% - Either returns the next value sent to the generator, +// returns the result of a delegated yield, or throws +// the exception sent to the generator. +// %error% - Returns the value of the current exception in a +// catch block. +// +// This intermediate representation is then compiled into JavaScript syntax. The resulting +// compilation output looks something like the following: +// +// function f() { +// var /*locals*/; +// /*functions*/ +// return __generator(function (state) { +// switch (state.label) { +// /*cases per label*/ +// } +// }); +// } +// +// Each of the above instructions corresponds to JavaScript emit similar to the following: +// +// .local NAME | var NAME; +// -------------------------------|---------------------------------------------- +// .mark LABEL | case LABEL: +// -------------------------------|---------------------------------------------- +// .br LABEL | return [3 /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .brtrue LABEL, (x) | if (x) return [3 /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .brfalse LABEL, (x) | if (!(x)) return [3, /*break*/, LABEL]; +// -------------------------------|---------------------------------------------- +// .yield (x) | return [4 /*yield*/, x]; +// .mark RESUME | case RESUME: +// a = %sent%; | a = state.sent(); +// -------------------------------|---------------------------------------------- +// .yieldstar (x) | return [5 /*yield**/, x]; +// .mark RESUME | case RESUME: +// a = %sent%; | a = state.sent(); +// -------------------------------|---------------------------------------------- +// .with (_a) | with (_a) { +// a(); | a(); +// | } +// | state.label = LABEL; +// .mark LABEL | case LABEL: +// | with (_a) { +// b(); | b(); +// | } +// .endwith | +// -------------------------------|---------------------------------------------- +// | case 0: +// | state.trys = []; +// | ... +// .try TRY, CATCH, FINALLY, END | +// .mark TRY | case TRY: +// | state.trys.push([TRY, CATCH, FINALLY, END]); +// .nop | +// a(); | a(); +// .br END | return [3 /*break*/, END]; +// .catch (e) | +// .mark CATCH | case CATCH: +// | e = state.sent(); +// b(); | b(); +// .br END | return [3 /*break*/, END]; +// .finally | +// .mark FINALLY | case FINALLY: +// c(); | c(); +// .endfinally | return [7 /*endfinally*/]; +// .endtry | +// .mark END | case END: +/*@internal*/ +var ts; +(function (ts) { + var OpCode; + (function (OpCode) { + OpCode[OpCode["Nop"] = 0] = "Nop"; + OpCode[OpCode["Statement"] = 1] = "Statement"; + OpCode[OpCode["Assign"] = 2] = "Assign"; + OpCode[OpCode["Break"] = 3] = "Break"; + OpCode[OpCode["BreakWhenTrue"] = 4] = "BreakWhenTrue"; + OpCode[OpCode["BreakWhenFalse"] = 5] = "BreakWhenFalse"; + OpCode[OpCode["Yield"] = 6] = "Yield"; + OpCode[OpCode["YieldStar"] = 7] = "YieldStar"; + OpCode[OpCode["Return"] = 8] = "Return"; + OpCode[OpCode["Throw"] = 9] = "Throw"; + OpCode[OpCode["Endfinally"] = 10] = "Endfinally"; // Marks the end of a `finally` block + })(OpCode || (OpCode = {})); + // whether a generated code block is opening or closing at the current operation for a FunctionBuilder + var BlockAction; + (function (BlockAction) { + BlockAction[BlockAction["Open"] = 0] = "Open"; + BlockAction[BlockAction["Close"] = 1] = "Close"; + })(BlockAction || (BlockAction = {})); + // the kind for a generated code block in a FunctionBuilder + var CodeBlockKind; + (function (CodeBlockKind) { + CodeBlockKind[CodeBlockKind["Exception"] = 0] = "Exception"; + CodeBlockKind[CodeBlockKind["With"] = 1] = "With"; + CodeBlockKind[CodeBlockKind["Switch"] = 2] = "Switch"; + CodeBlockKind[CodeBlockKind["Loop"] = 3] = "Loop"; + CodeBlockKind[CodeBlockKind["Labeled"] = 4] = "Labeled"; + })(CodeBlockKind || (CodeBlockKind = {})); + // the state for a generated code exception block + var ExceptionBlockState; + (function (ExceptionBlockState) { + ExceptionBlockState[ExceptionBlockState["Try"] = 0] = "Try"; + ExceptionBlockState[ExceptionBlockState["Catch"] = 1] = "Catch"; + ExceptionBlockState[ExceptionBlockState["Finally"] = 2] = "Finally"; + ExceptionBlockState[ExceptionBlockState["Done"] = 3] = "Done"; + })(ExceptionBlockState || (ExceptionBlockState = {})); + // NOTE: changes to this enum should be reflected in the __generator helper. + var Instruction; + (function (Instruction) { + Instruction[Instruction["Next"] = 0] = "Next"; + Instruction[Instruction["Throw"] = 1] = "Throw"; + Instruction[Instruction["Return"] = 2] = "Return"; + Instruction[Instruction["Break"] = 3] = "Break"; + Instruction[Instruction["Yield"] = 4] = "Yield"; + Instruction[Instruction["YieldStar"] = 5] = "YieldStar"; + Instruction[Instruction["Catch"] = 6] = "Catch"; + Instruction[Instruction["Endfinally"] = 7] = "Endfinally"; + })(Instruction || (Instruction = {})); + var instructionNames = ts.createMap((_a = {}, + _a[2 /* Return */] = "return", + _a[3 /* Break */] = "break", + _a[4 /* Yield */] = "yield", + _a[5 /* YieldStar */] = "yield*", + _a[7 /* Endfinally */] = "endfinally", + _a)); + function transformGenerators(context) { + var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistFunctionDeclaration = context.hoistFunctionDeclaration, hoistVariableDeclaration = context.hoistVariableDeclaration; + var compilerOptions = context.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var resolver = context.getEmitResolver(); + var previousOnSubstituteNode = context.onSubstituteNode; + context.onSubstituteNode = onSubstituteNode; + var currentSourceFile; + var renamedCatchVariables; + var renamedCatchVariableDeclarations; + var inGeneratorFunctionBody; + var inStatementContainingYield; + // The following three arrays store information about generated code blocks. + // All three arrays are correlated by their index. This approach is used over allocating + // objects to store the same information to avoid GC overhead. + // + var blocks; // Information about the code block + var blockOffsets; // The operation offset at which a code block begins or ends + var blockActions; // Whether the code block is opened or closed + var blockStack; // A stack of currently open code blocks + // Labels are used to mark locations in the code that can be the target of a Break (jump) + // operation. These are translated into case clauses in a switch statement. + // The following two arrays are correlated by their index. This approach is used over + // allocating objects to store the same information to avoid GC overhead. + // + var labelOffsets; // The operation offset at which the label is defined. + var labelExpressions; // The NumericLiteral nodes bound to each label. + var nextLabelId = 1; // The next label id to use. + // Operations store information about generated code for the function body. This + // Includes things like statements, assignments, breaks (jumps), and yields. + // The following three arrays are correlated by their index. This approach is used over + // allocating objects to store the same information to avoid GC overhead. + // + var operations; // The operation to perform. + var operationArguments; // The arguments to the operation. + var operationLocations; // The source map location for the operation. + var state; // The name of the state object used by the generator at runtime. + // The following variables store information used by the `build` function: + // + var blockIndex = 0; // The index of the current block. + var labelNumber = 0; // The current label number. + var labelNumbers; + var lastOperationWasAbrupt; // Indicates whether the last operation was abrupt (break/continue). + var lastOperationWasCompletion; // Indicates whether the last operation was a completion (return/throw). + var clauses; // The case clauses generated for labels. + var statements; // The statements for the current label. + var exceptionBlockStack; // A stack of containing exception blocks. + var currentExceptionBlock; // The current exception block. + var withBlockStack; // A stack containing `with` blocks. + return transformSourceFile; + function transformSourceFile(node) { + if (ts.isDeclarationFile(node)) { + return node; + } + if (node.transformFlags & 4096 /* ContainsGenerator */) { + currentSourceFile = node; + node = ts.visitEachChild(node, visitor, context); + currentSourceFile = undefined; + } + return node; } /** - * Writes a Break operation to the current label's statement list. + * Visits a node. * - * @param label The label for the Break. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeBreak(label, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), operationLocation)); + function visitor(node) { + var transformFlags = node.transformFlags; + if (inStatementContainingYield) { + return visitJavaScriptInStatementContainingYield(node); + } + else if (inGeneratorFunctionBody) { + return visitJavaScriptInGeneratorFunctionBody(node); + } + else if (transformFlags & 2048 /* Generator */) { + return visitGenerator(node); + } + else if (transformFlags & 4096 /* ContainsGenerator */) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } } /** - * Writes a BreakWhenTrue operation to the current label's statement list. + * Visits a node that is contained within a statement that contains yield. * - * @param label The label for the Break. - * @param condition The condition for the Break. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeBreakWhenTrue(label, condition, operationLocation) { - writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), operationLocation))); + function visitJavaScriptInStatementContainingYield(node) { + switch (node.kind) { + case 205 /* DoStatement */: + return visitDoStatement(node); + case 206 /* WhileStatement */: + return visitWhileStatement(node); + case 214 /* SwitchStatement */: + return visitSwitchStatement(node); + case 215 /* LabeledStatement */: + return visitLabeledStatement(node); + default: + return visitJavaScriptInGeneratorFunctionBody(node); + } } /** - * Writes a BreakWhenFalse operation to the current label's statement list. + * Visits a node that is contained within a generator function. * - * @param label The label for the Break. - * @param condition The condition for the Break. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeBreakWhenFalse(label, condition, operationLocation) { - writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ - createInstruction(3 /* Break */), - createLabel(label) - ]), operationLocation))); + function visitJavaScriptInGeneratorFunctionBody(node) { + switch (node.kind) { + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 180 /* FunctionExpression */: + return visitFunctionExpression(node); + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + return visitAccessorDeclaration(node); + case 201 /* VariableStatement */: + return visitVariableStatement(node); + case 207 /* ForStatement */: + return visitForStatement(node); + case 208 /* ForInStatement */: + return visitForInStatement(node); + case 211 /* BreakStatement */: + return visitBreakStatement(node); + case 210 /* ContinueStatement */: + return visitContinueStatement(node); + case 212 /* ReturnStatement */: + return visitReturnStatement(node); + default: + if (node.transformFlags & 16777216 /* ContainsYield */) { + return visitJavaScriptContainingYield(node); + } + else if (node.transformFlags & (4096 /* ContainsGenerator */ | 33554432 /* ContainsHoistedDeclarationOrCompletion */)) { + return ts.visitEachChild(node, visitor, context); + } + else { + return node; + } + } } /** - * Writes a Yield operation to the current label's statement list. + * Visits a node that contains a YieldExpression. * - * @param expression The expression to yield. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeYield(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral(expression - ? [createInstruction(4 /* Yield */), expression] - : [createInstruction(4 /* Yield */)]), operationLocation)); + function visitJavaScriptContainingYield(node) { + switch (node.kind) { + case 188 /* BinaryExpression */: + return visitBinaryExpression(node); + case 189 /* ConditionalExpression */: + return visitConditionalExpression(node); + case 191 /* YieldExpression */: + return visitYieldExpression(node); + case 171 /* ArrayLiteralExpression */: + return visitArrayLiteralExpression(node); + case 172 /* ObjectLiteralExpression */: + return visitObjectLiteralExpression(node); + case 174 /* ElementAccessExpression */: + return visitElementAccessExpression(node); + case 175 /* CallExpression */: + return visitCallExpression(node); + case 176 /* NewExpression */: + return visitNewExpression(node); + default: + return ts.visitEachChild(node, visitor, context); + } } /** - * Writes a YieldStar instruction to the current label's statement list. + * Visits a generator function. * - * @param expression The expression to yield. - * @param operationLocation The source map location for the operation. + * @param node The node to visit. */ - function writeYieldStar(expression, operationLocation) { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(5 /* YieldStar */), - expression - ]), operationLocation)); + function visitGenerator(node) { + switch (node.kind) { + case 221 /* FunctionDeclaration */: + return visitFunctionDeclaration(node); + case 180 /* FunctionExpression */: + return visitFunctionExpression(node); + default: + ts.Debug.failBadSyntaxKind(node); + return ts.visitEachChild(node, visitor, context); + } } /** - * Writes an Endfinally instruction to the current label's statement list. + * Visits a function declaration. + * + * This will be called when one of the following conditions are met: + * - The function declaration is a generator function. + * - The function declaration is contained within the body of a generator function. + * + * @param node The node to visit. */ - function writeEndfinally() { - lastOperationWasAbrupt = true; - writeStatement(ts.createReturn(ts.createArrayLiteral([ - createInstruction(7 /* Endfinally */) - ]))); + function visitFunctionDeclaration(node) { + // Currently, we only support generators that were originally async functions. + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { + node = ts.setOriginalNode(ts.createFunctionDeclaration( + /*decorators*/ undefined, + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, node.name, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, transformGeneratorFunctionBody(node.body), + /*location*/ node), node); + } + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + } + if (inGeneratorFunctionBody) { + // Function declarations in a generator function body are hoisted + // to the top of the lexical scope and elided from the current statement. + hoistFunctionDeclaration(node); + return undefined; + } + else { + return node; + } } - } - ts.transformGenerators = transformGenerators; - var _a; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformModule(context) { - var transformModuleDelegates = ts.createMap((_a = {}, - _a[ts.ModuleKind.None] = transformCommonJSModule, - _a[ts.ModuleKind.CommonJS] = transformCommonJSModule, - _a[ts.ModuleKind.AMD] = transformAMDModule, - _a[ts.ModuleKind.UMD] = transformUMDModule, - _a)); - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration; - var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var moduleKind = ts.getEmitModuleKind(compilerOptions); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70 /* Identifier */); - context.enableSubstitution(188 /* BinaryExpression */); - context.enableSubstitution(186 /* PrefixUnaryExpression */); - context.enableSubstitution(187 /* PostfixUnaryExpression */); - context.enableSubstitution(254 /* ShorthandPropertyAssignment */); - context.enableEmitNotification(256 /* SourceFile */); - var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var bindingNameExportSpecifiersMap; - // Subset of exportSpecifiers that is a binding-name. - // This is to reduce amount of memory we have to keep around even after we done with module-transformer - var bindingNameExportSpecifiersForFileMap = ts.createMap(); - var hasExportStarsToExportValues; - return transformSourceFile; /** - * Transforms the module aspects of a SourceFile. + * Visits a function expression. * - * @param node The SourceFile node. + * This will be called when one of the following conditions are met: + * - The function expression is a generator function. + * - The function expression is contained within the body of a generator function. + * + * @param node The node to visit. */ - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function visitFunctionExpression(node) { + // Currently, we only support generators that were originally async functions. + if (node.asteriskToken && ts.getEmitFlags(node) & 2097152 /* AsyncFunctionBody */) { + node = ts.setOriginalNode(ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, node.name, + /*typeParameters*/ undefined, node.parameters, + /*type*/ undefined, transformGeneratorFunctionBody(node.body), + /*location*/ node), node); } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - currentSourceFile = node; - // Collect information about the external module. - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - // Perform the transformation. - var transformModule_1 = transformModuleDelegates[moduleKind] || transformModuleDelegates[ts.ModuleKind.None]; - var updated = transformModule_1(node); - ts.aggregateTransformFlags(updated); - currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - return updated; + else { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; } return node; - var _a; } /** - * Transforms a SourceFile into a CommonJS module. + * Visits a get or set accessor declaration. * - * @param node The SourceFile node. + * This will be called when one of the following conditions are met: + * - The accessor is contained within the body of a generator function. + * + * @param node The node to visit. */ - function transformCommonJSModule(node) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - ts.addRange(statements, endLexicalEnvironment()); - addExportEqualsIfNeeded(statements, /*emitAsReturn*/ false); - var updated = updateSourceFile(node, statements); - if (hasExportStarsToExportValues) { - ts.setEmitFlags(updated, 2 /* EmitExportStar */ | ts.getEmitFlags(node)); - } - return updated; + function visitAccessorDeclaration(node) { + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + inGeneratorFunctionBody = false; + inStatementContainingYield = false; + node = ts.visitEachChild(node, visitor, context); + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + return node; } /** - * Transforms a SourceFile into an AMD module. + * Transforms the body of a generator function declaration. * - * @param node The SourceFile node. + * @param node The function body to transform. */ - function transformAMDModule(node) { - var define = ts.createIdentifier("define"); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - return transformAsynchronousModule(node, define, moduleName, /*includeNonAmdDependencies*/ true); + function transformGeneratorFunctionBody(body) { + // Save existing generator state + var statements = []; + var savedInGeneratorFunctionBody = inGeneratorFunctionBody; + var savedInStatementContainingYield = inStatementContainingYield; + var savedBlocks = blocks; + var savedBlockOffsets = blockOffsets; + var savedBlockActions = blockActions; + var savedBlockStack = blockStack; + var savedLabelOffsets = labelOffsets; + var savedLabelExpressions = labelExpressions; + var savedNextLabelId = nextLabelId; + var savedOperations = operations; + var savedOperationArguments = operationArguments; + var savedOperationLocations = operationLocations; + var savedState = state; + // Initialize generator state + inGeneratorFunctionBody = true; + inStatementContainingYield = false; + blocks = undefined; + blockOffsets = undefined; + blockActions = undefined; + blockStack = undefined; + labelOffsets = undefined; + labelExpressions = undefined; + nextLabelId = 1; + operations = undefined; + operationArguments = undefined; + operationLocations = undefined; + state = ts.createTempVariable(/*recordTempVariable*/ undefined); + // Build the generator + startLexicalEnvironment(); + var statementOffset = ts.addPrologueDirectives(statements, body.statements, /*ensureUseStrict*/ false, visitor); + transformAndEmitStatements(body.statements, statementOffset); + var buildResult = build(); + ts.addRange(statements, endLexicalEnvironment()); + statements.push(ts.createReturn(buildResult)); + // Restore previous generator state + inGeneratorFunctionBody = savedInGeneratorFunctionBody; + inStatementContainingYield = savedInStatementContainingYield; + blocks = savedBlocks; + blockOffsets = savedBlockOffsets; + blockActions = savedBlockActions; + blockStack = savedBlockStack; + labelOffsets = savedLabelOffsets; + labelExpressions = savedLabelExpressions; + nextLabelId = savedNextLabelId; + operations = savedOperations; + operationArguments = savedOperationArguments; + operationLocations = savedOperationLocations; + state = savedState; + return ts.createBlock(statements, /*location*/ body, body.multiLine); } /** - * Transforms a SourceFile into a UMD module. + * Visits a variable statement. * - * @param node The SourceFile node. + * This will be called when one of the following conditions are met: + * - The variable statement is contained within the body of a generator function. + * + * @param node The node to visit. */ - function transformUMDModule(node) { - var define = ts.createIdentifier("define"); - ts.setEmitFlags(define, 16 /* UMDDefine */); - return transformAsynchronousModule(node, define, /*moduleName*/ undefined, /*includeNonAmdDependencies*/ false); + function visitVariableStatement(node) { + if (node.transformFlags & 16777216 /* ContainsYield */) { + transformAndEmitVariableDeclarationList(node.declarationList); + return undefined; + } + else { + // Do not hoist custom prologues. + if (ts.getEmitFlags(node) & 8388608 /* CustomPrologue */) { + return node; + } + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); + } + var variables = ts.getInitializedVariables(node.declarationList); + if (variables.length === 0) { + return undefined; + } + return ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable))); + } } /** - * Transforms a SourceFile into an AMD or UMD module. + * Visits a binary expression. * - * @param node The SourceFile node. - * @param define The expression used to define the module. - * @param moduleName An expression for the module name, if available. - * @param includeNonAmdDependencies A value indicating whether to incldue any non-AMD dependencies. + * This will be called when one of the following conditions are met: + * - The node contains a YieldExpression. + * + * @param node The node to visit. */ - function transformAsynchronousModule(node, define, moduleName, includeNonAmdDependencies) { - // An AMD define function has the following shape: - // - // define(id?, dependencies?, factory); - // - // This has the shape of the following: - // - // define(name, ["module1", "module2"], function (module1Alias) { ... } - // - // The location of the alias in the parameter list in the factory function needs to - // match the position of the module name in the dependency list. - // - // To ensure this is true in cases of modules with no aliases, e.g.: - // - // import "module" - // - // or - // - // /// - // - // we need to add modules without alias names to the end of the dependencies list - var _a = collectAsynchronousDependencies(node, includeNonAmdDependencies), aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames, importAliasNames = _a.importAliasNames; - // Create an updated SourceFile: - // - // define(moduleName?, ["module1", "module2"], function ... - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(define, - /*typeArguments*/ undefined, (moduleName ? [moduleName] : []).concat([ - // Add the dependency array argument: - // - // ["require", "exports", module1", "module2", ...] - ts.createArrayLiteral([ - ts.createLiteral("require"), - ts.createLiteral("exports") - ].concat(aliasedModuleNames, unaliasedModuleNames)), - // Add the module body function argument: - // - // function (require, exports, module1, module2) ... - ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ - ts.createParameter("require"), - ts.createParameter("exports") - ].concat(importAliasNames), - /*type*/ undefined, transformAsynchronousModuleBody(node)) - ]))) - ]); + function visitBinaryExpression(node) { + switch (ts.getExpressionAssociativity(node)) { + case 0 /* Left */: + return visitLeftAssociativeBinaryExpression(node); + case 1 /* Right */: + return visitRightAssociativeBinaryExpression(node); + default: + ts.Debug.fail("Unknown associativity."); + } + } + function isCompoundAssignment(kind) { + return kind >= 58 /* FirstCompoundAssignment */ + && kind <= 69 /* LastCompoundAssignment */; + } + function getOperatorForCompoundAssignment(kind) { + switch (kind) { + case 58 /* PlusEqualsToken */: return 36 /* PlusToken */; + case 59 /* MinusEqualsToken */: return 37 /* MinusToken */; + case 60 /* AsteriskEqualsToken */: return 38 /* AsteriskToken */; + case 61 /* AsteriskAsteriskEqualsToken */: return 39 /* AsteriskAsteriskToken */; + case 62 /* SlashEqualsToken */: return 40 /* SlashToken */; + case 63 /* PercentEqualsToken */: return 41 /* PercentToken */; + case 64 /* LessThanLessThanEqualsToken */: return 44 /* LessThanLessThanToken */; + case 65 /* GreaterThanGreaterThanEqualsToken */: return 45 /* GreaterThanGreaterThanToken */; + case 66 /* GreaterThanGreaterThanGreaterThanEqualsToken */: return 46 /* GreaterThanGreaterThanGreaterThanToken */; + case 67 /* AmpersandEqualsToken */: return 47 /* AmpersandToken */; + case 68 /* BarEqualsToken */: return 48 /* BarToken */; + case 69 /* CaretEqualsToken */: return 49 /* CaretToken */; + } } /** - * Transforms a SourceFile into an AMD or UMD module body. + * Visits a right-associative binary expression containing `yield`. * - * @param node The SourceFile node. + * @param node The node to visit. */ - function transformAsynchronousModuleBody(node) { - startLexicalEnvironment(); - var statements = []; - var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitor); - // Visit each statement of the module body. - ts.addRange(statements, ts.visitNodes(node.statements, visitor, ts.isStatement, statementOffset)); - // End the lexical environment for the module body - // and merge any new lexical declarations. - ts.addRange(statements, endLexicalEnvironment()); - // Append the 'export =' statement if provided. - addExportEqualsIfNeeded(statements, /*emitAsReturn*/ true); - var body = ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true); - if (hasExportStarsToExportValues) { - // If we have any `export * from ...` declarations - // we need to inform the emitter to add the __export helper. - ts.setEmitFlags(body, 2 /* EmitExportStar */); - } - return body; - } - function addExportEqualsIfNeeded(statements, emitAsReturn) { - if (exportEquals) { - if (emitAsReturn) { - var statement = ts.createReturn(exportEquals.expression, - /*location*/ exportEquals); - ts.setEmitFlags(statement, 12288 /* NoTokenSourceMaps */ | 49152 /* NoComments */); - statements.push(statement); + function visitRightAssociativeBinaryExpression(node) { + var left = node.left, right = node.right; + if (containsYield(right)) { + var target = void 0; + switch (left.kind) { + case 173 /* PropertyAccessExpression */: + // [source] + // a.b = yield; + // + // [intermediate] + // .local _a + // _a = a; + // .yield resumeLabel + // .mark resumeLabel + // _a.b = %sent%; + target = ts.updatePropertyAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), left.name); + break; + case 174 /* ElementAccessExpression */: + // [source] + // a[b] = yield; + // + // [intermediate] + // .local _a, _b + // _a = a; + // _b = b; + // .yield resumeLabel + // .mark resumeLabel + // _a[_b] = %sent%; + target = ts.updateElementAccess(left, cacheExpression(ts.visitNode(left.expression, visitor, ts.isLeftHandSideExpression)), cacheExpression(ts.visitNode(left.argumentExpression, visitor, ts.isExpression))); + break; + default: + target = ts.visitNode(left, visitor, ts.isExpression); + break; + } + var operator = node.operatorToken.kind; + if (isCompoundAssignment(operator)) { + return ts.createBinary(target, 57 /* EqualsToken */, ts.createBinary(cacheExpression(target), getOperatorForCompoundAssignment(operator), ts.visitNode(right, visitor, ts.isExpression), node), node); } else { - var statement = ts.createStatement(ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("module"), "exports"), exportEquals.expression), - /*location*/ exportEquals); - ts.setEmitFlags(statement, 49152 /* NoComments */); - statements.push(statement); + return ts.updateBinary(node, target, ts.visitNode(right, visitor, ts.isExpression)); + } + } + return ts.visitEachChild(node, visitor, context); + } + function visitLeftAssociativeBinaryExpression(node) { + if (containsYield(node.right)) { + if (ts.isLogicalOperator(node.operatorToken.kind)) { + return visitLogicalBinaryExpression(node); + } + else if (node.operatorToken.kind === 25 /* CommaToken */) { + return visitCommaExpression(node); } + // [source] + // a() + (yield) + c() + // + // [intermediate] + // .local _a + // _a = a(); + // .yield resumeLabel + // _a + %sent% + c() + var clone_6 = ts.getMutableClone(node); + clone_6.left = cacheExpression(ts.visitNode(node.left, visitor, ts.isExpression)); + clone_6.right = ts.visitNode(node.right, visitor, ts.isExpression); + return clone_6; } + return ts.visitEachChild(node, visitor, context); } /** - * Visits a node at the top level of the source file. + * Visits a logical binary expression containing `yield`. * - * @param node The node. + * @param node A node to visit. */ - function visitor(node) { - switch (node.kind) { - case 231 /* ImportDeclaration */: - return visitImportDeclaration(node); - case 230 /* ImportEqualsDeclaration */: - return visitImportEqualsDeclaration(node); - case 237 /* ExportDeclaration */: - return visitExportDeclaration(node); - case 236 /* ExportAssignment */: - return visitExportAssignment(node); - case 201 /* VariableStatement */: - return visitVariableStatement(node); - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 222 /* ClassDeclaration */: - return visitClassDeclaration(node); - case 203 /* ExpressionStatement */: - return visitExpressionStatement(node); - default: - // This visitor does not descend into the tree, as export/import statements - // are only transformed at the top level of a file. - return node; + function visitLogicalBinaryExpression(node) { + // Logical binary expressions (`&&` and `||`) are shortcutting expressions and need + // to be transformed as such: + // + // [source] + // x = a() && yield; + // + // [intermediate] + // .local _a + // _a = a(); + // .brfalse resultLabel, (_a) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .mark resultLabel + // x = _a; + // + // [source] + // x = a() || yield; + // + // [intermediate] + // .local _a + // _a = a(); + // .brtrue resultLabel, (_a) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .mark resultLabel + // x = _a; + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitAssignment(resultLocal, ts.visitNode(node.left, visitor, ts.isExpression), /*location*/ node.left); + if (node.operatorToken.kind === 52 /* AmpersandAmpersandToken */) { + // Logical `&&` shortcuts when the left-hand operand is falsey. + emitBreakWhenFalse(resultLabel, resultLocal, /*location*/ node.left); + } + else { + // Logical `||` shortcuts when the left-hand operand is truthy. + emitBreakWhenTrue(resultLabel, resultLocal, /*location*/ node.left); } + emitAssignment(resultLocal, ts.visitNode(node.right, visitor, ts.isExpression), /*location*/ node.right); + markLabel(resultLabel); + return resultLocal; } /** - * Visits an ImportDeclaration node. + * Visits a comma expression containing `yield`. * - * @param node The ImportDeclaration node. + * @param node The node to visit. */ - function visitImportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; - } - var statements = []; - var namespaceDeclaration = ts.getNamespaceDeclarationNode(node); - if (moduleKind !== ts.ModuleKind.AMD) { - if (!node.importClause) { - // import "mod"; - statements.push(ts.createStatement(createRequireCall(node), - /*location*/ node)); + function visitCommaExpression(node) { + // [source] + // x = a(), yield, b(); + // + // [intermediate] + // a(); + // .yield resumeLabel + // .mark resumeLabel + // x = %sent%, b(); + var pendingExpressions = []; + visit(node.left); + visit(node.right); + return ts.inlineExpressions(pendingExpressions); + function visit(node) { + if (ts.isBinaryExpression(node) && node.operatorToken.kind === 25 /* CommaToken */) { + visit(node.left); + visit(node.right); } else { - var variables = []; - if (namespaceDeclaration && !ts.isDefaultImport(node)) { - // import * as n from "mod"; - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), - /*type*/ undefined, createRequireCall(node))); - } - else { - // import d from "mod"; - // import { x, y } from "mod"; - // import d, { x, y } from "mod"; - // import d, * as n from "mod"; - variables.push(ts.createVariableDeclaration(ts.getGeneratedNameForNode(node), - /*type*/ undefined, createRequireCall(node))); - if (namespaceDeclaration && ts.isDefaultImport(node)) { - variables.push(ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), - /*type*/ undefined, ts.getGeneratedNameForNode(node))); - } + if (containsYield(node) && pendingExpressions.length > 0) { + emitWorker(1 /* Statement */, [ts.createStatement(ts.inlineExpressions(pendingExpressions))]); + pendingExpressions = []; } - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createConstDeclarationList(variables), - /*location*/ node)); + pendingExpressions.push(ts.visitNode(node, visitor, ts.isExpression)); } } - else if (namespaceDeclaration && ts.isDefaultImport(node)) { - // import d, * as n from "mod"; - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(namespaceDeclaration.name), - /*type*/ undefined, ts.getGeneratedNameForNode(node), - /*location*/ node) - ]))); - } - addExportImportAssignments(statements, node); - return ts.singleOrMany(statements); } - function visitImportEqualsDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + /** + * Visits a conditional expression containing `yield`. + * + * @param node The node to visit. + */ + function visitConditionalExpression(node) { + // [source] + // x = a() ? yield : b(); + // + // [intermediate] + // .local _a + // .brfalse whenFalseLabel, (a()) + // .yield resumeLabel + // .mark resumeLabel + // _a = %sent%; + // .br resultLabel + // .mark whenFalseLabel + // _a = b(); + // .mark resultLabel + // x = _a; + // We only need to perform a specific transformation if a `yield` expression exists + // in either the `whenTrue` or `whenFalse` branches. + // A `yield` in the condition will be handled by the normal visitor. + if (containsYield(node.whenTrue) || containsYield(node.whenFalse)) { + var whenFalseLabel = defineLabel(); + var resultLabel = defineLabel(); + var resultLocal = declareLocal(); + emitBreakWhenFalse(whenFalseLabel, ts.visitNode(node.condition, visitor, ts.isExpression), /*location*/ node.condition); + emitAssignment(resultLocal, ts.visitNode(node.whenTrue, visitor, ts.isExpression), /*location*/ node.whenTrue); + emitBreak(resultLabel); + markLabel(whenFalseLabel); + emitAssignment(resultLocal, ts.visitNode(node.whenFalse, visitor, ts.isExpression), /*location*/ node.whenFalse); + markLabel(resultLabel); + return resultLocal; } - // Set emitFlags on the name of the importEqualsDeclaration - // This is so the printer will not substitute the identifier - ts.setEmitFlags(node.name, 128 /* NoSubstitution */); - var statements = []; - if (moduleKind !== ts.ModuleKind.AMD) { - if (ts.hasModifier(node, 1 /* Export */)) { - statements.push(ts.createStatement(createExportAssignment(node.name, createRequireCall(node)), - /*location*/ node)); - } - else { - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(ts.getSynthesizedClone(node.name), - /*type*/ undefined, createRequireCall(node)) - ], - /*location*/ undefined, - /*flags*/ languageVersion >= 2 /* ES2015 */ ? 2 /* Const */ : 0 /* None */), - /*location*/ node)); - } + return ts.visitEachChild(node, visitor, context); + } + /** + * Visits a `yield` expression. + * + * @param node The node to visit. + */ + function visitYieldExpression(node) { + // [source] + // x = yield a(); + // + // [intermediate] + // .yield resumeLabel, (a()) + // .mark resumeLabel + // x = %sent%; + // NOTE: we are explicitly not handling YieldStar at this time. + var resumeLabel = defineLabel(); + var expression = ts.visitNode(node.expression, visitor, ts.isExpression); + if (node.asteriskToken) { + emitYieldStar(expression, /*location*/ node); } else { - if (ts.hasModifier(node, 1 /* Export */)) { - statements.push(ts.createStatement(createExportAssignment(node.name, node.name), - /*location*/ node)); - } + emitYield(expression, /*location*/ node); } - addExportImportAssignments(statements, node); - return statements; + markLabel(resumeLabel); + return createGeneratorResume(); } - function visitExportDeclaration(node) { - if (!ts.contains(externalImports, node)) { - return undefined; + /** + * Visits an ArrayLiteralExpression that contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitArrayLiteralExpression(node) { + return visitElements(node.elements, node.multiLine); + } + /** + * Visits an array of expressions containing one or more YieldExpression nodes + * and returns an expression for the resulting value. + * + * @param elements The elements to visit. + * @param multiLine Whether array literals created should be emitted on multiple lines. + */ + function visitElements(elements, _multiLine) { + // [source] + // ar = [1, yield, 2]; + // + // [intermediate] + // .local _a + // _a = [1]; + // .yield resumeLabel + // .mark resumeLabel + // ar = _a.concat([%sent%, 2]); + var numInitialElements = countInitialNodesWithoutYield(elements); + var temp = declareLocal(); + var hasAssignedTemp = false; + if (numInitialElements > 0) { + emitAssignment(temp, ts.createArrayLiteral(ts.visitNodes(elements, visitor, ts.isExpression, 0, numInitialElements))); + hasAssignedTemp = true; } - var generatedName = ts.getGeneratedNameForNode(node); - if (node.exportClause) { - var statements = []; - // export { x, y } from "mod"; - if (moduleKind !== ts.ModuleKind.AMD) { - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(generatedName, - /*type*/ undefined, createRequireCall(node)) - ]), - /*location*/ node)); - } - for (var _i = 0, _a = node.exportClause.elements; _i < _a.length; _i++) { - var specifier = _a[_i]; - var exportedValue = ts.createPropertyAccess(generatedName, specifier.propertyName || specifier.name); - statements.push(ts.createStatement(createExportAssignment(specifier.name, exportedValue), - /*location*/ specifier)); + var expressions = ts.reduceLeft(elements, reduceElement, [], numInitialElements); + return hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions); + function reduceElement(expressions, element) { + if (containsYield(element) && expressions.length > 0) { + emitAssignment(temp, hasAssignedTemp + ? ts.createArrayConcat(temp, [ts.createArrayLiteral(expressions)]) + : ts.createArrayLiteral(expressions)); + hasAssignedTemp = true; + expressions = []; } - return ts.singleOrMany(statements); - } - else { - // export * from "mod"; - return ts.createStatement(ts.createCall(ts.createIdentifier("__export"), - /*typeArguments*/ undefined, [ - moduleKind !== ts.ModuleKind.AMD - ? createRequireCall(node) - : generatedName - ]), - /*location*/ node); - } - } - function visitExportAssignment(node) { - if (node.isExportEquals) { - // Elide as `export=` is handled in addExportEqualsIfNeeded - return undefined; + expressions.push(ts.visitNode(element, visitor, ts.isExpression)); + return expressions; } - var statements = []; - addExportDefault(statements, node.expression, /*location*/ node); - return statements; - } - function addExportDefault(statements, expression, location) { - tryAddExportDefaultCompat(statements); - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("default"), expression), location)); } - function tryAddExportDefaultCompat(statements) { - var original = ts.getOriginalNode(currentSourceFile); - ts.Debug.assert(original.kind === 256 /* SourceFile */); - if (!original.symbol.exports["___esModule"]) { - if (languageVersion === 0 /* ES3 */) { - statements.push(ts.createStatement(createExportAssignment(ts.createIdentifier("__esModule"), ts.createLiteral(true)))); + function visitObjectLiteralExpression(node) { + // [source] + // o = { + // a: 1, + // b: yield, + // c: 2 + // }; + // + // [intermediate] + // .local _a + // _a = { + // a: 1 + // }; + // .yield resumeLabel + // .mark resumeLabel + // o = (_a.b = %sent%, + // _a.c = 2, + // _a); + var properties = node.properties; + var multiLine = node.multiLine; + var numInitialProperties = countInitialNodesWithoutYield(properties); + var temp = declareLocal(); + emitAssignment(temp, ts.createObjectLiteral(ts.visitNodes(properties, visitor, ts.isObjectLiteralElementLike, 0, numInitialProperties), + /*location*/ undefined, multiLine)); + var expressions = ts.reduceLeft(properties, reduceProperty, [], numInitialProperties); + expressions.push(multiLine ? ts.startOnNewLine(ts.getMutableClone(temp)) : temp); + return ts.inlineExpressions(expressions); + function reduceProperty(expressions, property) { + if (containsYield(property) && expressions.length > 0) { + emitStatement(ts.createStatement(ts.inlineExpressions(expressions))); + expressions = []; } - else { - statements.push(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("Object"), "defineProperty"), - /*typeArguments*/ undefined, [ - ts.createIdentifier("exports"), - ts.createLiteral("__esModule"), - ts.createObjectLiteral([ - ts.createPropertyAssignment("value", ts.createLiteral(true)) - ]) - ]))); + var expression = ts.createExpressionForObjectLiteralElementLike(node, property, temp); + var visited = ts.visitNode(expression, visitor, ts.isExpression); + if (visited) { + if (multiLine) { + visited.startsOnNewLine = true; + } + expressions.push(visited); } + return expressions; } } - function addExportImportAssignments(statements, node) { - if (ts.isImportEqualsDeclaration(node)) { - addExportMemberAssignments(statements, node.name); + /** + * Visits an ElementAccessExpression that contains a YieldExpression. + * + * @param node The node to visit. + */ + function visitElementAccessExpression(node) { + if (containsYield(node.argumentExpression)) { + // [source] + // a = x[yield]; + // + // [intermediate] + // .local _a + // _a = x; + // .yield resumeLabel + // .mark resumeLabel + // a = _a[%sent%] + var clone_7 = ts.getMutableClone(node); + clone_7.expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isLeftHandSideExpression)); + clone_7.argumentExpression = ts.visitNode(node.argumentExpression, visitor, ts.isExpression); + return clone_7; } - else { - var names = ts.reduceEachChild(node, collectExportMembers, []); - for (var _i = 0, names_1 = names; _i < names_1.length; _i++) { - var name_35 = names_1[_i]; - addExportMemberAssignments(statements, name_35); - } + return ts.visitEachChild(node, visitor, context); + } + function visitCallExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + // [source] + // a.b(1, yield, 2); + // + // [intermediate] + // .local _a, _b, _c + // _b = (_a = a).b; + // _c = [1]; + // .yield resumeLabel + // .mark resumeLabel + // _b.apply(_a, _c.concat([%sent%, 2])); + var _a = ts.createCallBinding(node.expression, hoistVariableDeclaration, languageVersion, /*cacheIdentifiers*/ true), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isLeftHandSideExpression)), thisArg, visitElements(node.arguments), + /*location*/ node), node); } + return ts.visitEachChild(node, visitor, context); } - function collectExportMembers(names, node) { - if (ts.isAliasSymbolDeclaration(node) && ts.isDeclaration(node)) { - var name_36 = node.name; - if (ts.isIdentifier(name_36)) { - names.push(name_36); - } + function visitNewExpression(node) { + if (ts.forEach(node.arguments, containsYield)) { + // [source] + // new a.b(1, yield, 2); + // + // [intermediate] + // .local _a, _b, _c + // _b = (_a = a.b).bind; + // _c = [1]; + // .yield resumeLabel + // .mark resumeLabel + // new (_b.apply(_a, _c.concat([%sent%, 2]))); + var _a = ts.createCallBinding(ts.createPropertyAccess(node.expression, "bind"), hoistVariableDeclaration), target = _a.target, thisArg = _a.thisArg; + return ts.setOriginalNode(ts.createNew(ts.createFunctionApply(cacheExpression(ts.visitNode(target, visitor, ts.isExpression)), thisArg, visitElements(node.arguments)), + /*typeArguments*/ undefined, [], + /*location*/ node), node); } - return ts.reduceEachChild(node, collectExportMembers, names); + return ts.visitEachChild(node, visitor, context); } - function addExportMemberAssignments(statements, name) { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _i = 0, _a = exportSpecifiers[name.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - statements.push(ts.startOnNewLine(ts.createStatement(createExportAssignment(specifier.name, name), - /*location*/ specifier.name))); - } + function transformAndEmitStatements(statements, start) { + if (start === void 0) { start = 0; } + var numStatements = statements.length; + for (var i = start; i < numStatements; i++) { + transformAndEmitStatement(statements[i]); } } - function addExportMemberAssignment(statements, node) { - if (ts.hasModifier(node, 512 /* Default */)) { - addExportDefault(statements, getDeclarationName(node), /*location*/ node); + function transformAndEmitEmbeddedStatement(node) { + if (ts.isBlock(node)) { + transformAndEmitStatements(node.statements); } else { - statements.push(createExportStatement(node.name, ts.setEmitFlags(ts.getSynthesizedClone(node.name), 262144 /* LocalName */), /*location*/ node)); + transformAndEmitStatement(node); } } - function visitVariableStatement(node) { - // If the variable is for a generated declaration, - // we should maintain it and just strip off the 'export' modifier if necessary. - var originalKind = ts.getOriginalNode(node).kind; - if (originalKind === 226 /* ModuleDeclaration */ || - originalKind === 225 /* EnumDeclaration */ || - originalKind === 222 /* ClassDeclaration */) { - if (!ts.hasModifier(node, 1 /* Export */)) { - return node; - } - return ts.setOriginalNode(ts.createVariableStatement( - /*modifiers*/ undefined, node.declarationList), node); + function transformAndEmitStatement(node) { + var savedInStatementContainingYield = inStatementContainingYield; + if (!inStatementContainingYield) { + inStatementContainingYield = containsYield(node); + } + transformAndEmitStatementWorker(node); + inStatementContainingYield = savedInStatementContainingYield; + } + function transformAndEmitStatementWorker(node) { + switch (node.kind) { + case 200 /* Block */: + return transformAndEmitBlock(node); + case 203 /* ExpressionStatement */: + return transformAndEmitExpressionStatement(node); + case 204 /* IfStatement */: + return transformAndEmitIfStatement(node); + case 205 /* DoStatement */: + return transformAndEmitDoStatement(node); + case 206 /* WhileStatement */: + return transformAndEmitWhileStatement(node); + case 207 /* ForStatement */: + return transformAndEmitForStatement(node); + case 208 /* ForInStatement */: + return transformAndEmitForInStatement(node); + case 210 /* ContinueStatement */: + return transformAndEmitContinueStatement(node); + case 211 /* BreakStatement */: + return transformAndEmitBreakStatement(node); + case 212 /* ReturnStatement */: + return transformAndEmitReturnStatement(node); + case 213 /* WithStatement */: + return transformAndEmitWithStatement(node); + case 214 /* SwitchStatement */: + return transformAndEmitSwitchStatement(node); + case 215 /* LabeledStatement */: + return transformAndEmitLabeledStatement(node); + case 216 /* ThrowStatement */: + return transformAndEmitThrowStatement(node); + case 217 /* TryStatement */: + return transformAndEmitTryStatement(node); + default: + return emitStatement(ts.visitNode(node, visitor, ts.isStatement, /*optional*/ true)); } - var resultStatements = []; - // If we're exporting these variables, then these just become assignments to 'exports.blah'. - // We only want to emit assignments for variables with initializers. - if (ts.hasModifier(node, 1 /* Export */)) { - var variables = ts.getInitializedVariables(node.declarationList); - if (variables.length > 0) { - var inlineAssignments = ts.createStatement(ts.inlineExpressions(ts.map(variables, transformInitializedVariable)), node); - resultStatements.push(inlineAssignments); - } + } + function transformAndEmitBlock(node) { + if (containsYield(node)) { + transformAndEmitStatements(node.statements); } else { - resultStatements.push(node); - } - // While we might not have been exported here, each variable might have been exported - // later on in an export specifier (e.g. `export {foo as blah, bar}`). - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - addExportMemberAssignmentsForBindingName(resultStatements, decl.name); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return resultStatements; } - /** - * Creates appropriate assignments for each binding identifier that is exported in an export specifier, - * and inserts it into 'resultStatements'. - */ - function addExportMemberAssignmentsForBindingName(resultStatements, name) { - if (ts.isBindingPattern(name)) { - for (var _i = 0, _a = name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (!ts.isOmittedExpression(element)) { - addExportMemberAssignmentsForBindingName(resultStatements, element.name); - } - } + function transformAndEmitExpressionStatement(node) { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } + function transformAndEmitVariableDeclarationList(node) { + for (var _i = 0, _a = node.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } - else { - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - var sourceFileId = ts.getOriginalNodeId(currentSourceFile); - if (!bindingNameExportSpecifiersForFileMap[sourceFileId]) { - bindingNameExportSpecifiersForFileMap[sourceFileId] = ts.createMap(); + var variables = ts.getInitializedVariables(node); + var numVariables = variables.length; + var variablesWritten = 0; + var pendingExpressions = []; + while (variablesWritten < numVariables) { + for (var i = variablesWritten; i < numVariables; i++) { + var variable = variables[i]; + if (containsYield(variable.initializer) && pendingExpressions.length > 0) { + break; } - bindingNameExportSpecifiersForFileMap[sourceFileId][name.text] = exportSpecifiers[name.text]; - addExportMemberAssignments(resultStatements, name); + pendingExpressions.push(transformInitializedVariable(variable)); + } + if (pendingExpressions.length) { + emitStatement(ts.createStatement(ts.inlineExpressions(pendingExpressions))); + variablesWritten += pendingExpressions.length; + pendingExpressions = []; } } + return undefined; } function transformInitializedVariable(node) { - var name = node.name; - if (ts.isBindingPattern(name)) { - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration, getModuleMemberName, visitor); + return ts.createAssignment(ts.getSynthesizedClone(node.name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + } + function transformAndEmitIfStatement(node) { + if (containsYield(node)) { + // [source] + // if (x) + // /*thenStatement*/ + // else + // /*elseStatement*/ + // + // [intermediate] + // .brfalse elseLabel, (x) + // /*thenStatement*/ + // .br endLabel + // .mark elseLabel + // /*elseStatement*/ + // .mark endLabel + if (containsYield(node.thenStatement) || containsYield(node.elseStatement)) { + var endLabel = defineLabel(); + var elseLabel = node.elseStatement ? defineLabel() : undefined; + emitBreakWhenFalse(node.elseStatement ? elseLabel : endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + emitBreak(endLabel); + markLabel(elseLabel); + transformAndEmitEmbeddedStatement(node.elseStatement); + } + markLabel(endLabel); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); + } } else { - return ts.createAssignment(getModuleMemberName(name), ts.visitNode(node.initializer, visitor, ts.isExpression)); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } } - function visitFunctionDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1 /* Export */)) { - // Keep async modifier for ES2017 transformer - var isAsync = ts.hasModifier(node, 256 /* Async */); - statements.push(ts.setOriginalNode(ts.createFunctionDeclaration( - /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, node.body, - /*location*/ node), - /*original*/ node)); - addExportMemberAssignment(statements, node); + function transformAndEmitDoStatement(node) { + if (containsYield(node)) { + // [source] + // do { + // /*body*/ + // } + // while (i < 10); + // + // [intermediate] + // .loop conditionLabel, endLabel + // .mark loopLabel + // /*body*/ + // .mark conditionLabel + // .brtrue loopLabel, (i < 10) + // .endloop + // .mark endLabel + var conditionLabel = defineLabel(); + var loopLabel = defineLabel(); + beginLoopBlock(/*continueLabel*/ conditionLabel); + markLabel(loopLabel); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(conditionLabel); + emitBreakWhenTrue(loopLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + endLoopBlock(); } else { - statements.push(node); - } - if (node.name) { - addExportMemberAssignments(statements, node.name); + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return ts.singleOrMany(statements); } - function visitClassDeclaration(node) { - var statements = []; - var name = node.name || ts.getGeneratedNameForNode(node); - if (ts.hasModifier(node, 1 /* Export */)) { - statements.push(ts.setOriginalNode(ts.createClassDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, name, - /*typeParameters*/ undefined, node.heritageClauses, node.members, - /*location*/ node), - /*original*/ node)); - addExportMemberAssignment(statements, node); + function visitDoStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } else { - statements.push(node); - } - // Decorators end up creating a series of assignment expressions which overwrite - // the local binding that we export, so we need to defer from exporting decorated classes - // until the decoration assignments take place. We do this when visiting expression-statements. - if (node.name && !(node.decorators && node.decorators.length)) { - addExportMemberAssignments(statements, node.name); + return ts.visitEachChild(node, visitor, context); } - return ts.singleOrMany(statements); } - function visitExpressionStatement(node) { - var original = ts.getOriginalNode(node); - var origKind = original.kind; - if (origKind === 225 /* EnumDeclaration */ || origKind === 226 /* ModuleDeclaration */) { - return visitExpressionStatementForEnumOrNamespaceDeclaration(node, original); - } - else if (origKind === 222 /* ClassDeclaration */) { - // The decorated assignment for a class name may need to be transformed. - var classDecl = original; - if (classDecl.name) { - var statements = [node]; - addExportMemberAssignments(statements, classDecl.name); - return statements; - } + function transformAndEmitWhileStatement(node) { + if (containsYield(node)) { + // [source] + // while (i < 10) { + // /*body*/ + // } + // + // [intermediate] + // .loop loopLabel, endLabel + // .mark loopLabel + // .brfalse endLabel, (i < 10) + // /*body*/ + // .br loopLabel + // .endloop + // .mark endLabel + var loopLabel = defineLabel(); + var endLabel = beginLoopBlock(loopLabel); + markLabel(loopLabel); + emitBreakWhenFalse(endLabel, ts.visitNode(node.expression, visitor, ts.isExpression)); + transformAndEmitEmbeddedStatement(node.statement); + emitBreak(loopLabel); + endLoopBlock(); } - return node; - } - function visitExpressionStatementForEnumOrNamespaceDeclaration(node, original) { - var statements = [node]; - // Preserve old behavior for enums in which a variable statement is emitted after the body itself. - if (ts.hasModifier(original, 1 /* Export */) && - original.kind === 225 /* EnumDeclaration */ && - ts.isFirstDeclarationOfKind(original, 225 /* EnumDeclaration */)) { - addVarForExportedEnumOrNamespaceDeclaration(statements, original); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - addExportMemberAssignments(statements, original.name); - return statements; - } - /** - * Adds a trailing VariableStatement for an enum or module declaration. - */ - function addVarForExportedEnumOrNamespaceDeclaration(statements, node) { - var transformedStatement = ts.createVariableStatement( - /*modifiers*/ undefined, [ts.createVariableDeclaration(getDeclarationName(node), - /*type*/ undefined, ts.createPropertyAccess(ts.createIdentifier("exports"), getDeclarationName(node)))], - /*location*/ node); - ts.setEmitFlags(transformedStatement, 49152 /* NoComments */); - statements.push(transformedStatement); - } - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); } - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256 /* SourceFile */) { - bindingNameExportSpecifiersMap = bindingNameExportSpecifiersForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - bindingNameExportSpecifiersMap = undefined; + function visitWhileStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + node = ts.visitEachChild(node, visitor, context); + endLoopBlock(); + return node; } else { - previousOnEmitNode(emitContext, node, emitCallback); + return ts.visitEachChild(node, visitor, context); } } - /** - * Hooks node substitutions. - * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. - */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); + function transformAndEmitForStatement(node) { + if (containsYield(node)) { + // [source] + // for (var i = 0; i < 10; i++) { + // /*body*/ + // } + // + // [intermediate] + // .local i + // i = 0; + // .loop incrementLabel, endLoopLabel + // .mark conditionLabel + // .brfalse endLoopLabel, (i < 10) + // /*body*/ + // .mark incrementLabel + // i++; + // .br conditionLabel + // .endloop + // .mark endLoopLabel + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + if (node.initializer) { + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + transformAndEmitVariableDeclarationList(initializer); + } + else { + emitStatement(ts.createStatement(ts.visitNode(initializer, visitor, ts.isExpression), + /*location*/ initializer)); + } + } + markLabel(conditionLabel); + if (node.condition) { + emitBreakWhenFalse(endLabel, ts.visitNode(node.condition, visitor, ts.isExpression)); + } + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + if (node.incrementor) { + emitStatement(ts.createStatement(ts.visitNode(node.incrementor, visitor, ts.isExpression), + /*location*/ node.incrementor)); + } + emitBreak(conditionLabel); + endLoopBlock(); } - else if (ts.isShorthandPropertyAssignment(node)) { - return substituteShorthandPropertyAssignment(node); + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return node; } - function substituteShorthandPropertyAssignment(node) { - var name = node.name; - var exportedOrImportedName = substituteExpressionIdentifier(name); - if (exportedOrImportedName !== name) { - // A shorthand property with an assignment initializer is probably part of a - // destructuring assignment - if (node.objectAssignmentInitializer) { - var initializer = ts.createAssignment(exportedOrImportedName, node.objectAssignmentInitializer); - return ts.createPropertyAssignment(name, initializer, /*location*/ node); + function visitForStatement(node) { + if (inStatementContainingYield) { + beginScriptLoopBlock(); + } + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } - return ts.createPropertyAssignment(name, exportedOrImportedName, /*location*/ node); + var variables = ts.getInitializedVariables(initializer); + node = ts.updateFor(node, variables.length > 0 + ? ts.inlineExpressions(ts.map(variables, transformInitializedVariable)) + : undefined, ts.visitNode(node.condition, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.incrementor, visitor, ts.isExpression, /*optional*/ true), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); } - return node; - } - function substituteExpression(node) { - switch (node.kind) { - case 70 /* Identifier */: - return substituteExpressionIdentifier(node); - case 188 /* BinaryExpression */: - return substituteBinaryExpression(node); - case 187 /* PostfixUnaryExpression */: - case 186 /* PrefixUnaryExpression */: - return substituteUnaryExpression(node); + else { + node = ts.visitEachChild(node, visitor, context); + } + if (inStatementContainingYield) { + endLoopBlock(); } return node; } - function substituteExpressionIdentifier(node) { - return trySubstituteExportedName(node) - || trySubstituteImportedName(node) - || node; - } - function substituteBinaryExpression(node) { - var left = node.left; - // If the left-hand-side of the binaryExpression is an identifier and its is export through export Specifier - if (ts.isIdentifier(left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, left.text)) { - ts.setEmitFlags(node, 128 /* NoSubstitution */); - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[left.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, node); + function transformAndEmitForInStatement(node) { + // TODO(rbuckton): Source map locations + if (containsYield(node)) { + // [source] + // for (var p in o) { + // /*body*/ + // } + // + // [intermediate] + // .local _a, _b, _i + // _a = []; + // for (_b in o) _a.push(_b); + // _i = 0; + // .loop incrementLabel, endLoopLabel + // .mark conditionLabel + // .brfalse endLoopLabel, (_i < _a.length) + // p = _a[_i]; + // /*body*/ + // .mark incrementLabel + // _b++; + // .br conditionLabel + // .endloop + // .mark endLoopLabel + var keysArray = declareLocal(); // _a + var key = declareLocal(); // _b + var keysIndex = ts.createLoopVariable(); // _i + var initializer = node.initializer; + hoistVariableDeclaration(keysIndex); + emitAssignment(keysArray, ts.createArrayLiteral()); + emitStatement(ts.createForIn(key, ts.visitNode(node.expression, visitor, ts.isExpression), ts.createStatement(ts.createCall(ts.createPropertyAccess(keysArray, "push"), + /*typeArguments*/ undefined, [key])))); + emitAssignment(keysIndex, ts.createLiteral(0)); + var conditionLabel = defineLabel(); + var incrementLabel = defineLabel(); + var endLabel = beginLoopBlock(incrementLabel); + markLabel(conditionLabel); + emitBreakWhenFalse(endLabel, ts.createLessThan(keysIndex, ts.createPropertyAccess(keysArray, "length"))); + var variable = void 0; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable_1 = _a[_i]; + hoistVariableDeclaration(variable_1.name); } - return nestedExportAssignment; + variable = ts.getSynthesizedClone(initializer.declarations[0].name); + } + else { + variable = ts.visitNode(initializer, visitor, ts.isExpression); + ts.Debug.assert(ts.isLeftHandSideExpression(variable)); } + emitAssignment(variable, ts.createElementAccess(keysArray, keysIndex)); + transformAndEmitEmbeddedStatement(node.statement); + markLabel(incrementLabel); + emitStatement(ts.createStatement(ts.createPostfixIncrement(keysIndex))); + emitBreak(conditionLabel); + endLoopBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return node; } - function substituteUnaryExpression(node) { - // Because how the compiler only parse plusplus and minusminus to be either prefixUnaryExpression or postFixUnaryExpression depended on where they are - // We don't need to check that the operator has SyntaxKind.plusplus or SyntaxKind.minusminus - var operator = node.operator; - var operand = node.operand; - if (ts.isIdentifier(operand) && bindingNameExportSpecifiersForFileMap) { - if (bindingNameExportSpecifiersMap && ts.hasProperty(bindingNameExportSpecifiersMap, operand.text)) { - ts.setEmitFlags(node, 128 /* NoSubstitution */); - var transformedUnaryExpression = void 0; - if (node.kind === 187 /* PostfixUnaryExpression */) { - transformedUnaryExpression = ts.createBinary(operand, ts.createToken(operator === 42 /* PlusPlusToken */ ? 58 /* PlusEqualsToken */ : 59 /* MinusEqualsToken */), ts.createLiteral(1), - /*location*/ node); - // We have to set no substitution flag here to prevent visit the binary expression and substitute it again as we will preform all necessary substitution in here - ts.setEmitFlags(transformedUnaryExpression, 128 /* NoSubstitution */); - } - var nestedExportAssignment = void 0; - for (var _i = 0, _a = bindingNameExportSpecifiersMap[operand.text]; _i < _a.length; _i++) { - var specifier = _a[_i]; - nestedExportAssignment = nestedExportAssignment ? - createExportAssignment(specifier.name, nestedExportAssignment) : - createExportAssignment(specifier.name, transformedUnaryExpression || node); - } - return nestedExportAssignment; + function visitForInStatement(node) { + // [source] + // for (var x in a) { + // /*body*/ + // } + // + // [intermediate] + // .local x + // .loop + // for (x in a) { + // /*body*/ + // } + // .endloop + if (inStatementContainingYield) { + beginScriptLoopBlock(); + } + var initializer = node.initializer; + if (ts.isVariableDeclarationList(initializer)) { + for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { + var variable = _a[_i]; + hoistVariableDeclaration(variable.name); } + node = ts.updateForIn(node, initializer.declarations[0].name, ts.visitNode(node.expression, visitor, ts.isExpression), ts.visitNode(node.statement, visitor, ts.isStatement, /*optional*/ false, ts.liftToBlock)); + } + else { + node = ts.visitEachChild(node, visitor, context); + } + if (inStatementContainingYield) { + endLoopBlock(); } return node; } - function trySubstituteExportedName(node) { - var emitFlags = ts.getEmitFlags(node); - if ((emitFlags & 262144 /* LocalName */) === 0) { - var container = resolver.getReferencedExportContainer(node, (emitFlags & 131072 /* ExportName */) !== 0); - if (container) { - if (container.kind === 256 /* SourceFile */) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(node), - /*location*/ node); - } + function transformAndEmitContinueStatement(node) { + var label = findContinueTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected continue statment to point to a valid Label."); + emitBreak(label, /*location*/ node); + } + function visitContinueStatement(node) { + if (inStatementContainingYield) { + var label = findContinueTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, /*location*/ node); } } - return undefined; + return ts.visitEachChild(node, visitor, context); } - function trySubstituteImportedName(node) { - if ((ts.getEmitFlags(node) & 262144 /* LocalName */) === 0) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (ts.isImportClause(declaration)) { - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent), ts.createIdentifier("default"), - /*location*/ node); - } - else if (ts.isImportSpecifier(declaration)) { - var name_37 = declaration.propertyName || declaration.name; - return ts.createPropertyAccess(ts.getGeneratedNameForNode(declaration.parent.parent.parent), ts.getSynthesizedClone(name_37), - /*location*/ node); - } + function transformAndEmitBreakStatement(node) { + var label = findBreakTarget(node.label ? node.label.text : undefined); + ts.Debug.assert(label > 0, "Expected break statment to point to a valid Label."); + emitBreak(label, /*location*/ node); + } + function visitBreakStatement(node) { + if (inStatementContainingYield) { + var label = findBreakTarget(node.label && node.label.text); + if (label > 0) { + return createInlineBreak(label, /*location*/ node); } } - return undefined; + return ts.visitEachChild(node, visitor, context); } - function getModuleMemberName(name) { - return ts.createPropertyAccess(ts.createIdentifier("exports"), name, - /*location*/ name); + function transformAndEmitReturnStatement(node) { + emitReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), + /*location*/ node); } - function createRequireCall(importNode) { - var moduleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - var args = []; - if (ts.isDefined(moduleName)) { - args.push(moduleName); - } - return ts.createCall(ts.createIdentifier("require"), /*typeArguments*/ undefined, args); + function visitReturnStatement(node) { + return createInlineReturn(ts.visitNode(node.expression, visitor, ts.isExpression, /*optional*/ true), + /*location*/ node); } - function createExportStatement(name, value, location) { - var statement = ts.createStatement(createExportAssignment(name, value)); - statement.startsOnNewLine = true; - if (location) { - ts.setSourceMapRange(statement, location); + function transformAndEmitWithStatement(node) { + if (containsYield(node)) { + // [source] + // with (x) { + // /*body*/ + // } + // + // [intermediate] + // .with (x) + // /*body*/ + // .endwith + beginWithBlock(cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression))); + transformAndEmitEmbeddedStatement(node.statement); + endWithBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return statement; - } - function createExportAssignment(name, value) { - return ts.createAssignment(ts.createPropertyAccess(ts.createIdentifier("exports"), ts.getSynthesizedClone(name)), value); } - function collectAsynchronousDependencies(node, includeNonAmdDependencies) { - // names of modules with corresponding parameter in the factory function - var aliasedModuleNames = []; - // names of modules with no corresponding parameters in factory function - var unaliasedModuleNames = []; - // names of the parameters in the factory function; these - // parameters need to match the indexes of the corresponding - // module names in aliasedModuleNames. - var importAliasNames = []; - // Fill in amd-dependency tags - for (var _i = 0, _a = node.amdDependencies; _i < _a.length; _i++) { - var amdDependency = _a[_i]; - if (amdDependency.name) { - aliasedModuleNames.push(ts.createLiteral(amdDependency.path)); - importAliasNames.push(ts.createParameter(amdDependency.name)); + function transformAndEmitSwitchStatement(node) { + if (containsYield(node.caseBlock)) { + // [source] + // switch (x) { + // case a: + // /*caseStatements*/ + // case b: + // /*caseStatements*/ + // default: + // /*defaultStatements*/ + // } + // + // [intermediate] + // .local _a + // .switch endLabel + // _a = x; + // switch (_a) { + // case a: + // .br clauseLabels[0] + // } + // switch (_a) { + // case b: + // .br clauseLabels[1] + // } + // .br clauseLabels[2] + // .mark clauseLabels[0] + // /*caseStatements*/ + // .mark clauseLabels[1] + // /*caseStatements*/ + // .mark clauseLabels[2] + // /*caseStatements*/ + // .endswitch + // .mark endLabel + var caseBlock = node.caseBlock; + var numClauses = caseBlock.clauses.length; + var endLabel = beginSwitchBlock(); + var expression = cacheExpression(ts.visitNode(node.expression, visitor, ts.isExpression)); + // Create labels for each clause and find the index of the first default clause. + var clauseLabels = []; + var defaultClauseIndex = -1; + for (var i = 0; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + clauseLabels.push(defineLabel()); + if (clause.kind === 250 /* DefaultClause */ && defaultClauseIndex === -1) { + defaultClauseIndex = i; + } } - else { - unaliasedModuleNames.push(ts.createLiteral(amdDependency.path)); + // Emit switch statements for each run of case clauses either from the first case + // clause or the next case clause with a `yield` in its expression, up to the next + // case clause with a `yield` in its expression. + var clausesWritten = 0; + var pendingClauses = []; + while (clausesWritten < numClauses) { + var defaultClausesSkipped = 0; + for (var i = clausesWritten; i < numClauses; i++) { + var clause = caseBlock.clauses[i]; + if (clause.kind === 249 /* CaseClause */) { + var caseClause = clause; + if (containsYield(caseClause.expression) && pendingClauses.length > 0) { + break; + } + pendingClauses.push(ts.createCaseClause(ts.visitNode(caseClause.expression, visitor, ts.isExpression), [ + createInlineBreak(clauseLabels[i], /*location*/ caseClause.expression) + ])); + } + else { + defaultClausesSkipped++; + } + } + if (pendingClauses.length) { + emitStatement(ts.createSwitch(expression, ts.createCaseBlock(pendingClauses))); + clausesWritten += pendingClauses.length; + pendingClauses = []; + } + if (defaultClausesSkipped > 0) { + clausesWritten += defaultClausesSkipped; + defaultClausesSkipped = 0; + } } - } - for (var _b = 0, externalImports_1 = externalImports; _b < externalImports_1.length; _b++) { - var importNode = externalImports_1[_b]; - // Find the name of the external module - var externalModuleName = ts.getExternalModuleNameLiteral(importNode, currentSourceFile, host, resolver, compilerOptions); - // Find the name of the module alias, if there is one - var importAliasName = ts.getLocalNameForExternalImport(importNode, currentSourceFile); - if (includeNonAmdDependencies && importAliasName) { - // Set emitFlags on the name of the classDeclaration - // This is so that when printer will not substitute the identifier - ts.setEmitFlags(importAliasName, 128 /* NoSubstitution */); - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(ts.createParameter(importAliasName)); + if (defaultClauseIndex >= 0) { + emitBreak(clauseLabels[defaultClauseIndex]); } else { - unaliasedModuleNames.push(externalModuleName); + emitBreak(endLabel); + } + for (var i = 0; i < numClauses; i++) { + markLabel(clauseLabels[i]); + transformAndEmitStatements(caseBlock.clauses[i].statements); } + endSwitchBlock(); + } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; - } - function updateSourceFile(node, statements) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - return updated; } - var _a; - } - ts.transformModule = transformModule; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformSystemModule(context) { - var startLexicalEnvironment = context.startLexicalEnvironment, endLexicalEnvironment = context.endLexicalEnvironment, hoistVariableDeclaration = context.hoistVariableDeclaration, hoistFunctionDeclaration = context.hoistFunctionDeclaration; - var compilerOptions = context.getCompilerOptions(); - var resolver = context.getEmitResolver(); - var host = context.getEmitHost(); - var previousOnSubstituteNode = context.onSubstituteNode; - var previousOnEmitNode = context.onEmitNode; - context.onSubstituteNode = onSubstituteNode; - context.onEmitNode = onEmitNode; - context.enableSubstitution(70 /* Identifier */); - context.enableSubstitution(188 /* BinaryExpression */); - context.enableSubstitution(186 /* PrefixUnaryExpression */); - context.enableSubstitution(187 /* PostfixUnaryExpression */); - context.enableEmitNotification(256 /* SourceFile */); - var exportFunctionForFileMap = []; - var currentSourceFile; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var exportFunctionForFile; - var contextObjectForFile; - var exportedLocalNames; - var exportedFunctionDeclarations; - var enclosingBlockScopedContainer; - var currentParent; - var currentNode; - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; + function visitSwitchStatement(node) { + if (inStatementContainingYield) { + beginScriptSwitchBlock(); } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - currentSourceFile = node; - currentNode = node; - // Perform the transformation. - var updated = transformSystemModuleWorker(node); - ts.aggregateTransformFlags(updated); - currentSourceFile = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - exportedLocalNames = undefined; - exportedFunctionDeclarations = undefined; - return updated; + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endSwitchBlock(); } return node; } - function transformSystemModuleWorker(node) { - // System modules have the following shape: - // - // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) - // - // The parameter 'exports' here is a callback '(name: string, value: T) => T' that - // is used to publish exported values. 'exports' returns its 'value' argument so in - // most cases expressions that mutate exported values can be rewritten as: - // - // expr -> exports('name', expr) - // - // The only exception in this rule is postfix unary operators, - // see comment to 'substitutePostfixUnaryExpression' for more details - ts.Debug.assert(!exportFunctionForFile); - // Collect information about the external module and dependency groups. - (_a = ts.collectExternalModuleInfo(node), externalImports = _a.externalImports, exportSpecifiers = _a.exportSpecifiers, exportEquals = _a.exportEquals, hasExportStarsToExportValues = _a.hasExportStarsToExportValues, _a); - // Make sure that the name of the 'exports' function does not conflict with - // existing identifiers. - exportFunctionForFile = ts.createUniqueName("exports"); - contextObjectForFile = ts.createUniqueName("context"); - exportFunctionForFileMap[ts.getOriginalNodeId(node)] = exportFunctionForFile; - var dependencyGroups = collectDependencyGroups(externalImports); - var statements = []; - // Add the body of the module. - addSystemModuleBody(statements, node, dependencyGroups); - var moduleName = ts.tryGetModuleNameFromFile(node, host, compilerOptions); - var dependencies = ts.createArrayLiteral(ts.map(dependencyGroups, getNameOfDependencyGroup)); - var body = ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ - ts.createParameter(exportFunctionForFile), - ts.createParameter(contextObjectForFile) - ], - /*type*/ undefined, ts.setEmitFlags(ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true), 1 /* EmitEmitHelpers */)); - // Write the call to `System.register` - // Clear the emit-helpers flag for later passes since we'll have already used it in the module body - // So the helper will be emit at the correct position instead of at the top of the source-file - return updateSourceFile(node, [ - ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createIdentifier("System"), "register"), - /*typeArguments*/ undefined, moduleName - ? [moduleName, dependencies, body] - : [dependencies, body])) - ], /*nodeEmitFlags*/ ~1 /* EmitEmitHelpers */ & ts.getEmitFlags(node)); - var _a; - } - /** - * Adds the statements for the module body function for the source file. - * - * @param statements The output statements for the module body. - * @param node The source file for the module. - * @param statementOffset The offset at which to begin visiting the statements of the SourceFile. - */ - function addSystemModuleBody(statements, node, dependencyGroups) { - // Shape of the body in system modules: - // - // function (exports) { - // - // - // - // return { - // setters: [ - // - // ], - // execute: function() { - // - // } - // } - // - // } - // - // i.e: - // - // import {x} from 'file1' - // var y = 1; - // export function foo() { return y + x(); } - // console.log(y); - // - // Will be transformed to: - // - // function(exports) { - // var file_1; // local alias - // var y; - // function foo() { return y + file_1.x(); } - // exports("foo", foo); - // return { - // setters: [ - // function(v) { file_1 = v } - // ], - // execute(): function() { - // y = 1; - // console.log(y); - // } - // }; - // } - // We start a new lexical environment in this function body, but *not* in the - // body of the execute function. This allows us to emit temporary declarations - // only in the outer module body and not in the inner one. - startLexicalEnvironment(); - // Add any prologue directives. - var statementOffset = ts.addPrologueDirectives(statements, node.statements, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict, visitSourceElement); - // var __moduleName = context_1 && context_1.id; - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration("__moduleName", - /*type*/ undefined, ts.createLogicalAnd(contextObjectForFile, ts.createPropertyAccess(contextObjectForFile, "id"))) - ]))); - // Visit the statements of the source file, emitting any transformations into - // the `executeStatements` array. We do this *before* we fill the `setters` array - // as we both emit transformations as well as aggregate some data used when creating - // setters. This allows us to reduce the number of times we need to loop through the - // statements of the source file. - var executeStatements = ts.visitNodes(node.statements, visitSourceElement, ts.isStatement, statementOffset); - // We emit the lexical environment (hoisted variables and function declarations) - // early to align roughly with our previous emit output. - // Two key differences in this approach are: - // - Temporary variables will appear at the top rather than at the bottom of the file - // - Calls to the exporter for exported function declarations are grouped after - // the declarations. - ts.addRange(statements, endLexicalEnvironment()); - // Emit early exports for function declarations. - ts.addRange(statements, exportedFunctionDeclarations); - var exportStarFunction = addExportStarIfNeeded(statements); - statements.push(ts.createReturn(ts.setMultiLine(ts.createObjectLiteral([ - ts.createPropertyAssignment("setters", generateSetters(exportStarFunction, dependencyGroups)), - ts.createPropertyAssignment("execute", ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, - /*parameters*/ [], - /*type*/ undefined, ts.createBlock(executeStatements, - /*location*/ undefined, - /*multiLine*/ true))) - ]), - /*multiLine*/ true))); - } - function addExportStarIfNeeded(statements) { - if (!hasExportStarsToExportValues) { - return; + function transformAndEmitLabeledStatement(node) { + if (containsYield(node)) { + // [source] + // x: { + // /*body*/ + // } + // + // [intermediate] + // .labeled "x", endLabel + // /*body*/ + // .endlabeled + // .mark endLabel + beginLabeledBlock(node.label.text); + transformAndEmitEmbeddedStatement(node.statement); + endLabeledBlock(); } - // when resolving exports local exported entries/indirect exported entries in the module - // should always win over entries with similar names that were added via star exports - // to support this we store names of local/indirect exported entries in a set. - // this set is used to filter names brought by star expors. - // local names set should only be added if we have anything exported - if (!exportedLocalNames && ts.isEmpty(exportSpecifiers)) { - // no exported declarations (export var ...) or export specifiers (export {x}) - // check if we have any non star export declarations. - var hasExportDeclarationWithExportClause = false; - for (var _i = 0, externalImports_2 = externalImports; _i < externalImports_2.length; _i++) { - var externalImport = externalImports_2[_i]; - if (externalImport.kind === 237 /* ExportDeclaration */ && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - // we still need to emit exportStar helper - return addExportStarFunction(statements, /*localNames*/ undefined); - } + else { + emitStatement(ts.visitNode(node, visitor, ts.isStatement)); } - var exportedNames = []; - if (exportedLocalNames) { - for (var _a = 0, exportedLocalNames_1 = exportedLocalNames; _a < exportedLocalNames_1.length; _a++) { - var exportedLocalName = exportedLocalNames_1[_a]; - // write name of exported declaration, i.e 'export var x...' - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral(exportedLocalName.text), ts.createLiteral(true))); - } + } + function visitLabeledStatement(node) { + if (inStatementContainingYield) { + beginScriptLabeledBlock(node.label.text); } - for (var _b = 0, externalImports_3 = externalImports; _b < externalImports_3.length; _b++) { - var externalImport = externalImports_3[_b]; - if (externalImport.kind !== 237 /* ExportDeclaration */) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - // export * from ... - continue; - } - for (var _c = 0, _d = exportDecl.exportClause.elements; _c < _d.length; _c++) { - var element = _d[_c]; - // write name of indirectly exported entry, i.e. 'export {x} from ...' - exportedNames.push(ts.createPropertyAssignment(ts.createLiteral((element.name || element.propertyName).text), ts.createLiteral(true))); - } + node = ts.visitEachChild(node, visitor, context); + if (inStatementContainingYield) { + endLabeledBlock(); } - var exportedNamesStorageRef = ts.createUniqueName("exportedNames"); - statements.push(ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exportedNamesStorageRef, - /*type*/ undefined, ts.createObjectLiteral(exportedNames, /*location*/ undefined, /*multiline*/ true)) - ]))); - return addExportStarFunction(statements, exportedNamesStorageRef); + return node; } - /** - * Emits a setter callback for each dependency group. - * @param write The callback used to write each callback. - */ - function generateSetters(exportStarFunction, dependencyGroups) { - var setters = []; - for (var _i = 0, dependencyGroups_1 = dependencyGroups; _i < dependencyGroups_1.length; _i++) { - var group = dependencyGroups_1[_i]; - // derive a unique name for parameter from the first named entry in the group - var localName = ts.forEach(group.externalImports, function (i) { return ts.getLocalNameForExternalImport(i, currentSourceFile); }); - var parameterName = localName ? ts.getGeneratedNameForNode(localName) : ts.createUniqueName(""); - var statements = []; - for (var _a = 0, _b = group.externalImports; _a < _b.length; _a++) { - var entry = _b[_a]; - var importVariableName = ts.getLocalNameForExternalImport(entry, currentSourceFile); - switch (entry.kind) { - case 231 /* ImportDeclaration */: - if (!entry.importClause) { - // 'import "..."' case - // module is imported only for side-effects, no emit required - break; - } - // fall-through - case 230 /* ImportEqualsDeclaration */: - ts.Debug.assert(importVariableName !== undefined); - // save import into the local - statements.push(ts.createStatement(ts.createAssignment(importVariableName, parameterName))); - break; - case 237 /* ExportDeclaration */: - ts.Debug.assert(importVariableName !== undefined); - if (entry.exportClause) { - // export {a, b as c} from 'foo' - // - // emit as: - // - // exports_({ - // "a": _["a"], - // "c": _["b"] - // }); - var properties = []; - for (var _c = 0, _d = entry.exportClause.elements; _c < _d.length; _c++) { - var e = _d[_c]; - properties.push(ts.createPropertyAssignment(ts.createLiteral(e.name.text), ts.createElementAccess(parameterName, ts.createLiteral((e.propertyName || e.name).text)))); - } - statements.push(ts.createStatement(ts.createCall(exportFunctionForFile, - /*typeArguments*/ undefined, [ts.createObjectLiteral(properties, /*location*/ undefined, /*multiline*/ true)]))); - } - else { - // export * from 'foo' - // - // emit as: - // - // exportStar(foo_1_1); - statements.push(ts.createStatement(ts.createCall(exportStarFunction, - /*typeArguments*/ undefined, [parameterName]))); - } - break; - } + function transformAndEmitThrowStatement(node) { + emitThrow(ts.visitNode(node.expression, visitor, ts.isExpression), + /*location*/ node); + } + function transformAndEmitTryStatement(node) { + if (containsYield(node)) { + // [source] + // try { + // /*tryBlock*/ + // } + // catch (e) { + // /*catchBlock*/ + // } + // finally { + // /*finallyBlock*/ + // } + // + // [intermediate] + // .local _a + // .try tryLabel, catchLabel, finallyLabel, endLabel + // .mark tryLabel + // .nop + // /*tryBlock*/ + // .br endLabel + // .catch + // .mark catchLabel + // _a = %error%; + // /*catchBlock*/ + // .br endLabel + // .finally + // .mark finallyLabel + // /*finallyBlock*/ + // .endfinally + // .endtry + // .mark endLabel + beginExceptionBlock(); + transformAndEmitEmbeddedStatement(node.tryBlock); + if (node.catchClause) { + beginCatchBlock(node.catchClause.variableDeclaration); + transformAndEmitEmbeddedStatement(node.catchClause.block); } - setters.push(ts.createFunctionExpression( - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, - /*name*/ undefined, - /*typeParameters*/ undefined, [ts.createParameter(parameterName)], - /*type*/ undefined, ts.createBlock(statements, /*location*/ undefined, /*multiLine*/ true))); + if (node.finallyBlock) { + beginFinallyBlock(); + transformAndEmitEmbeddedStatement(node.finallyBlock); + } + endExceptionBlock(); + } + else { + emitStatement(ts.visitEachChild(node, visitor, context)); } - return ts.createArrayLiteral(setters, /*location*/ undefined, /*multiLine*/ true); } - function visitSourceElement(node) { - switch (node.kind) { - case 231 /* ImportDeclaration */: - return visitImportDeclaration(node); - case 230 /* ImportEqualsDeclaration */: - return visitImportEqualsDeclaration(node); - case 237 /* ExportDeclaration */: - return visitExportDeclaration(node); - case 236 /* ExportAssignment */: - return visitExportAssignment(node); - default: - return visitNestedNode(node); + function containsYield(node) { + return node && (node.transformFlags & 16777216 /* ContainsYield */) !== 0; + } + function countInitialNodesWithoutYield(nodes) { + var numNodes = nodes.length; + for (var i = 0; i < numNodes; i++) { + if (containsYield(nodes[i])) { + return i; + } } + return -1; } - function visitNestedNode(node) { - var savedEnclosingBlockScopedContainer = enclosingBlockScopedContainer; - var savedCurrentParent = currentParent; - var savedCurrentNode = currentNode; - var currentGrandparent = currentParent; - currentParent = currentNode; - currentNode = node; - if (currentParent && ts.isBlockScope(currentParent, currentGrandparent)) { - enclosingBlockScopedContainer = currentParent; + function onSubstituteNode(emitContext, node) { + node = previousOnSubstituteNode(emitContext, node); + if (emitContext === 1 /* Expression */) { + return substituteExpression(node); } - var result = visitNestedNodeWorker(node); - enclosingBlockScopedContainer = savedEnclosingBlockScopedContainer; - currentParent = savedCurrentParent; - currentNode = savedCurrentNode; - return result; + return node; } - function visitNestedNodeWorker(node) { - switch (node.kind) { - case 201 /* VariableStatement */: - return visitVariableStatement(node); - case 221 /* FunctionDeclaration */: - return visitFunctionDeclaration(node); - case 222 /* ClassDeclaration */: - return visitClassDeclaration(node); - case 207 /* ForStatement */: - return visitForStatement(node); - case 208 /* ForInStatement */: - return visitForInStatement(node); - case 209 /* ForOfStatement */: - return visitForOfStatement(node); - case 205 /* DoStatement */: - return visitDoStatement(node); - case 206 /* WhileStatement */: - return visitWhileStatement(node); - case 215 /* LabeledStatement */: - return visitLabeledStatement(node); - case 213 /* WithStatement */: - return visitWithStatement(node); - case 214 /* SwitchStatement */: - return visitSwitchStatement(node); - case 228 /* CaseBlock */: - return visitCaseBlock(node); - case 249 /* CaseClause */: - return visitCaseClause(node); - case 250 /* DefaultClause */: - return visitDefaultClause(node); - case 217 /* TryStatement */: - return visitTryStatement(node); - case 252 /* CatchClause */: - return visitCatchClause(node); - case 200 /* Block */: - return visitBlock(node); - case 203 /* ExpressionStatement */: - return visitExpressionStatement(node); - default: - return node; + function substituteExpression(node) { + if (ts.isIdentifier(node)) { + return substituteExpressionIdentifier(node); } + return node; } - function visitImportDeclaration(node) { - if (node.importClause && ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function substituteExpressionIdentifier(node) { + if (renamedCatchVariables && ts.hasProperty(renamedCatchVariables, node.text)) { + var original = ts.getOriginalNode(node); + if (ts.isIdentifier(original) && original.parent) { + var declaration = resolver.getReferencedValueDeclaration(original); + if (declaration) { + var name_39 = ts.getProperty(renamedCatchVariableDeclarations, String(ts.getOriginalNodeId(declaration))); + if (name_39) { + var clone_8 = ts.getMutableClone(name_39); + ts.setSourceMapRange(clone_8, node); + ts.setCommentRange(clone_8, node); + return clone_8; + } + } + } } - return undefined; + return node; } - function visitImportEqualsDeclaration(node) { - if (ts.contains(externalImports, node)) { - hoistVariableDeclaration(ts.getLocalNameForExternalImport(node, currentSourceFile)); + function cacheExpression(node) { + var temp; + if (ts.isGeneratedIdentifier(node)) { + return node; } - // NOTE(rbuckton): Do we support export import = require('') in System? - return undefined; + temp = ts.createTempVariable(hoistVariableDeclaration); + emitAssignment(temp, node, /*location*/ node); + return temp; } - function visitExportDeclaration(node) { - if (!node.moduleSpecifier) { - var statements = []; - ts.addRange(statements, ts.map(node.exportClause.elements, visitExportSpecifier)); - return statements; + function declareLocal(name) { + var temp = name + ? ts.createUniqueName(name) + : ts.createTempVariable(/*recordTempVariable*/ undefined); + hoistVariableDeclaration(temp); + return temp; + } + /** + * Defines a label, uses as the target of a Break operation. + */ + function defineLabel() { + if (!labelOffsets) { + labelOffsets = []; } - return undefined; + var label = nextLabelId; + nextLabelId++; + labelOffsets[label] = -1; + return label; } - function visitExportSpecifier(specifier) { - recordExportName(specifier.name); - return createExportStatement(specifier.name, specifier.propertyName || specifier.name); + /** + * Marks the current operation with the specified label. + */ + function markLabel(label) { + ts.Debug.assert(labelOffsets !== undefined, "No labels were defined."); + labelOffsets[label] = operations ? operations.length : 0; } - function visitExportAssignment(node) { - if (node.isExportEquals) { - // Elide `export=` as it is illegal in a SystemJS module. - return undefined; + /** + * Begins a block operation (With, Break/Continue, Try/Catch/Finally) + * + * @param block Information about the block. + */ + function beginBlock(block) { + if (!blocks) { + blocks = []; + blockActions = []; + blockOffsets = []; + blockStack = []; } - return createExportStatement(ts.createLiteral("default"), node.expression); + var index = blockActions.length; + blockActions[index] = 0 /* Open */; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.push(block); + return index; } /** - * Visits a variable statement, hoisting declared names to the top-level module body. - * Each declaration is rewritten into an assignment expression. + * Ends the current block operation. + */ + function endBlock() { + var block = peekBlock(); + ts.Debug.assert(block !== undefined, "beginBlock was never called."); + var index = blockActions.length; + blockActions[index] = 1 /* Close */; + blockOffsets[index] = operations ? operations.length : 0; + blocks[index] = block; + blockStack.pop(); + return block; + } + /** + * Gets the current open block. + */ + function peekBlock() { + return ts.lastOrUndefined(blockStack); + } + /** + * Gets the kind of the current open block. + */ + function peekBlockKind() { + var block = peekBlock(); + return block && block.kind; + } + /** + * Begins a code block for a generated `with` statement. * - * @param node The variable statement to visit. + * @param expression An identifier representing expression for the `with` block. */ - function visitVariableStatement(node) { - // hoist only non-block scoped declarations or block scoped declarations parented by source file - var shouldHoist = ((ts.getCombinedNodeFlags(ts.getOriginalNode(node.declarationList)) & 3 /* BlockScoped */) == 0) || - enclosingBlockScopedContainer.kind === 256 /* SourceFile */; - if (!shouldHoist) { - return node; + function beginWithBlock(expression) { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 1 /* With */, + expression: expression, + startLabel: startLabel, + endLabel: endLabel + }); + } + /** + * Ends a code block for a generated `with` statement. + */ + function endWithBlock() { + ts.Debug.assert(peekBlockKind() === 1 /* With */); + var block = endBlock(); + markLabel(block.endLabel); + } + function isWithBlock(block) { + return block.kind === 1 /* With */; + } + /** + * Begins a code block for a generated `try` statement. + */ + function beginExceptionBlock() { + var startLabel = defineLabel(); + var endLabel = defineLabel(); + markLabel(startLabel); + beginBlock({ + kind: 0 /* Exception */, + state: 0 /* Try */, + startLabel: startLabel, + endLabel: endLabel + }); + emitNop(); + return endLabel; + } + /** + * Enters the `catch` clause of a generated `try` statement. + * + * @param variable The catch variable. + */ + function beginCatchBlock(variable) { + ts.Debug.assert(peekBlockKind() === 0 /* Exception */); + var text = variable.name.text; + var name = declareLocal(text); + if (!renamedCatchVariables) { + renamedCatchVariables = ts.createMap(); + renamedCatchVariableDeclarations = ts.createMap(); + context.enableSubstitution(70 /* Identifier */); } - var isExported = ts.hasModifier(node, 1 /* Export */); - var expressions = []; - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, isExported); - if (visited) { - expressions.push(visited); - } + renamedCatchVariables[text] = true; + renamedCatchVariableDeclarations[ts.getOriginalNodeId(variable)] = name; + var exception = peekBlock(); + ts.Debug.assert(exception.state < 1 /* Catch */); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var catchLabel = defineLabel(); + markLabel(catchLabel); + exception.state = 1 /* Catch */; + exception.catchVariable = name; + exception.catchLabel = catchLabel; + emitAssignment(name, ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [])); + emitNop(); + } + /** + * Enters the `finally` block of a generated `try` statement. + */ + function beginFinallyBlock() { + ts.Debug.assert(peekBlockKind() === 0 /* Exception */); + var exception = peekBlock(); + ts.Debug.assert(exception.state < 2 /* Finally */); + var endLabel = exception.endLabel; + emitBreak(endLabel); + var finallyLabel = defineLabel(); + markLabel(finallyLabel); + exception.state = 2 /* Finally */; + exception.finallyLabel = finallyLabel; + } + /** + * Ends the code block for a generated `try` statement. + */ + function endExceptionBlock() { + ts.Debug.assert(peekBlockKind() === 0 /* Exception */); + var exception = endBlock(); + var state = exception.state; + if (state < 2 /* Finally */) { + emitBreak(exception.endLabel); } - if (expressions.length) { - return ts.createStatement(ts.inlineExpressions(expressions), node); + else { + emitEndfinally(); } - return undefined; + markLabel(exception.endLabel); + emitNop(); + exception.state = 3 /* Done */; + } + function isExceptionBlock(block) { + return block.kind === 0 /* Exception */; } /** - * Transforms a VariableDeclaration into one or more assignment expressions. + * Begins a code block that supports `break` or `continue` statements that are defined in + * the source tree and not from generated code. * - * @param node The VariableDeclaration to transform. - * @param isExported A value used to indicate whether the containing statement was exported. + * @param labelText Names from containing labeled statements. */ - function transformVariable(node, isExported) { - // Hoist any bound names within the declaration. - hoistBindingElement(node, isExported); - if (!node.initializer) { - // If the variable has no initializer, ignore it. - return; + function beginScriptLoopBlock() { + beginBlock({ + kind: 3 /* Loop */, + isScript: true, + breakLabel: -1, + continueLabel: -1 + }); + } + /** + * Begins a code block that supports `break` or `continue` statements that are defined in + * generated code. Returns a label used to mark the operation to which to jump when a + * `break` statement targets this block. + * + * @param continueLabel A Label used to mark the operation to which to jump when a + * `continue` statement targets this block. + */ + function beginLoopBlock(continueLabel) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 3 /* Loop */, + isScript: false, + breakLabel: breakLabel, + continueLabel: continueLabel + }); + return breakLabel; + } + /** + * Ends a code block that supports `break` or `continue` statements that are defined in + * generated code or in the source tree. + */ + function endLoopBlock() { + ts.Debug.assert(peekBlockKind() === 3 /* Loop */); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - var name = node.name; - if (ts.isIdentifier(name)) { - // If the variable has an IdentifierName, write out an assignment expression in its place. - return ts.createAssignment(name, node.initializer); + } + /** + * Begins a code block that supports `break` statements that are defined in the source + * tree and not from generated code. + * + */ + function beginScriptSwitchBlock() { + beginBlock({ + kind: 2 /* Switch */, + isScript: true, + breakLabel: -1 + }); + } + /** + * Begins a code block that supports `break` statements that are defined in generated code. + * Returns a label used to mark the operation to which to jump when a `break` statement + * targets this block. + */ + function beginSwitchBlock() { + var breakLabel = defineLabel(); + beginBlock({ + kind: 2 /* Switch */, + isScript: false, + breakLabel: breakLabel + }); + return breakLabel; + } + /** + * Ends a code block that supports `break` statements that are defined in generated code. + */ + function endSwitchBlock() { + ts.Debug.assert(peekBlockKind() === 2 /* Switch */); + var block = endBlock(); + var breakLabel = block.breakLabel; + if (!block.isScript) { + markLabel(breakLabel); } - else { - // If the variable has a BindingPattern, flatten the variable into multiple assignment expressions. - return ts.flattenVariableDestructuringToExpression(node, hoistVariableDeclaration); + } + function beginScriptLabeledBlock(labelText) { + beginBlock({ + kind: 4 /* Labeled */, + isScript: true, + labelText: labelText, + breakLabel: -1 + }); + } + function beginLabeledBlock(labelText) { + var breakLabel = defineLabel(); + beginBlock({ + kind: 4 /* Labeled */, + isScript: false, + labelText: labelText, + breakLabel: breakLabel + }); + } + function endLabeledBlock() { + ts.Debug.assert(peekBlockKind() === 4 /* Labeled */); + var block = endBlock(); + if (!block.isScript) { + markLabel(block.breakLabel); } } /** - * Visits a FunctionDeclaration, hoisting it to the outer module body function. + * Indicates whether the provided block supports `break` statements. * - * @param node The function declaration to visit. + * @param block A code block. */ - function visitFunctionDeclaration(node) { - if (ts.hasModifier(node, 1 /* Export */)) { - // If the function is exported, ensure it has a name and rewrite the function without any export flags. - var name_38 = node.name || ts.getGeneratedNameForNode(node); - // Keep async modifier for ES2017 transformer - var isAsync = ts.hasModifier(node, 256 /* Async */); - var newNode = ts.createFunctionDeclaration( - /*decorators*/ undefined, isAsync ? [ts.createNode(119 /* AsyncKeyword */)] : undefined, node.asteriskToken, name_38, - /*typeParameters*/ undefined, node.parameters, - /*type*/ undefined, node.body, - /*location*/ node); - // Record a declaration export in the outer module body function. - recordExportedFunctionDeclaration(node); - if (!ts.hasModifier(node, 512 /* Default */)) { - recordExportName(name_38); - } - ts.setOriginalNode(newNode, node); - node = newNode; - } - // Hoist the function declaration to the outer module body function. - hoistFunctionDeclaration(node); - return undefined; + function supportsUnlabeledBreak(block) { + return block.kind === 2 /* Switch */ + || block.kind === 3 /* Loop */; + } + /** + * Indicates whether the provided block supports `break` statements with labels. + * + * @param block A code block. + */ + function supportsLabeledBreakOrContinue(block) { + return block.kind === 4 /* Labeled */; + } + /** + * Indicates whether the provided block supports `continue` statements. + * + * @param block A code block. + */ + function supportsUnlabeledContinue(block) { + return block.kind === 3 /* Loop */; } - function visitExpressionStatement(node) { - var originalNode = ts.getOriginalNode(node); - if ((originalNode.kind === 226 /* ModuleDeclaration */ || originalNode.kind === 225 /* EnumDeclaration */) && ts.hasModifier(originalNode, 1 /* Export */)) { - var name_39 = getDeclarationName(originalNode); - // We only need to hoistVariableDeclaration for EnumDeclaration - // as ModuleDeclaration is already hoisted when the transformer call visitVariableStatement - // which then call transformsVariable for each declaration in declarationList - if (originalNode.kind === 225 /* EnumDeclaration */) { - hoistVariableDeclaration(name_39); + function hasImmediateContainingLabeledBlock(labelText, start) { + for (var j = start; j >= 0; j--) { + var containingBlock = blockStack[j]; + if (supportsLabeledBreakOrContinue(containingBlock)) { + if (containingBlock.labelText === labelText) { + return true; + } + } + else { + break; } - return [ - node, - createExportStatement(name_39, name_39) - ]; } - return node; + return false; } /** - * Visits a ClassDeclaration, hoisting its name to the outer module body function. + * Finds the label that is the target for a `break` statement. * - * @param node The class declaration to visit. + * @param labelText An optional name of a containing labeled statement. */ - function visitClassDeclaration(node) { - // Hoist the name of the class declaration to the outer module body function. - var name = getDeclarationName(node); - hoistVariableDeclaration(name); - var statements = []; - // Rewrite the class declaration into an assignment of a class expression. - statements.push(ts.createStatement(ts.createAssignment(name, ts.createClassExpression( - /*modifiers*/ undefined, node.name, - /*typeParameters*/ undefined, node.heritageClauses, node.members, - /*location*/ node)), - /*location*/ node)); - // If the class was exported, write a declaration export to the inner module body function. - if (ts.hasModifier(node, 1 /* Export */)) { - if (!ts.hasModifier(node, 512 /* Default */)) { - recordExportName(name); + function findBreakTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsLabeledBreakOrContinue(block) && block.labelText === labelText) { + return block.breakLabel; + } + else if (supportsUnlabeledBreak(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.breakLabel; + } } - statements.push(createDeclarationExport(node)); } - return statements; - } - function shouldHoistLoopInitializer(node) { - return ts.isVariableDeclarationList(node) && (ts.getCombinedNodeFlags(node) & 3 /* BlockScoped */) === 0; + else { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledBreak(block)) { + return block.breakLabel; + } + } + } + return 0; } /** - * Visits the body of a ForStatement to hoist declarations. + * Finds the label that is the target for a `continue` statement. * - * @param node The statement to visit. + * @param labelText An optional name of a containing labeled statement. */ - function visitForStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var expressions = []; - for (var _i = 0, _a = initializer.declarations; _i < _a.length; _i++) { - var variable = _a[_i]; - var visited = transformVariable(variable, /*isExported*/ false); - if (visited) { - expressions.push(visited); + function findContinueTarget(labelText) { + ts.Debug.assert(blocks !== undefined); + if (labelText) { + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block) && hasImmediateContainingLabeledBlock(labelText, i - 1)) { + return block.continueLabel; } } - ; - return ts.createFor(expressions.length - ? ts.inlineExpressions(expressions) - : ts.createSynthesizedNode(194 /* OmittedExpression */), node.condition, node.incrementor, ts.visitNode(node.statement, visitNestedNode, ts.isStatement), - /*location*/ node); } else { - return ts.visitEachChild(node, visitNestedNode, context); + for (var i = blockStack.length - 1; i >= 0; i--) { + var block = blockStack[i]; + if (supportsUnlabeledContinue(block)) { + return block.continueLabel; + } + } } + return 0; } /** - * Transforms and hoists the declaration list of a ForInStatement or ForOfStatement into an expression. + * Creates an expression that can be used to indicate the value for a label. * - * @param node The decalaration list to transform. + * @param label A label. */ - function transformForBinding(node) { - var firstDeclaration = ts.firstOrUndefined(node.declarations); - hoistBindingElement(firstDeclaration, /*isExported*/ false); - var name = firstDeclaration.name; - return ts.isIdentifier(name) - ? name - : ts.flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration); + function createLabel(label) { + if (label > 0) { + if (labelExpressions === undefined) { + labelExpressions = []; + } + var expression = ts.createSynthesizedNode(8 /* NumericLiteral */); + if (labelExpressions[label] === undefined) { + labelExpressions[label] = [expression]; + } + else { + labelExpressions[label].push(expression); + } + return expression; + } + return ts.createNode(194 /* OmittedExpression */); } /** - * Visits the body of a ForInStatement to hoist declarations. - * - * @param node The statement to visit. + * Creates a numeric literal for the provided instruction. */ - function visitForInStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - return updated; - } - else { - return ts.visitEachChild(node, visitNestedNode, context); - } + function createInstruction(instruction) { + var literal = ts.createLiteral(instruction); + literal.trailingComment = instructionNames[instruction]; + return literal; } /** - * Visits the body of a ForOfStatement to hoist declarations. + * Creates a statement that can be used indicate a Break operation to the provided label. * - * @param node The statement to visit. + * @param label A label. + * @param location An optional source map location for the statement. */ - function visitForOfStatement(node) { - var initializer = node.initializer; - if (shouldHoistLoopInitializer(initializer)) { - var updated = ts.getMutableClone(node); - updated.initializer = transformForBinding(initializer); - updated.statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - return updated; - } - else { - return ts.visitEachChild(node, visitNestedNode, context); - } + function createInlineBreak(label, location) { + ts.Debug.assert(label > 0, "Invalid label: " + label); + return ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), location); } /** - * Visits the body of a DoStatement to hoist declarations. + * Creates a statement that can be used indicate a Return operation. * - * @param node The statement to visit. + * @param expression The expression for the return statement. + * @param location An optional source map location for the statement. */ - function visitDoStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function createInlineReturn(expression, location) { + return ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2 /* Return */), expression] + : [createInstruction(2 /* Return */)]), location); } /** - * Visits the body of a WhileStatement to hoist declarations. - * - * @param node The statement to visit. + * Creates an expression that can be used to resume from a Yield operation. */ - function visitWhileStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function createGeneratorResume(location) { + return ts.createCall(ts.createPropertyAccess(state, "sent"), /*typeArguments*/ undefined, [], location); } /** - * Visits the body of a LabeledStatement to hoist declarations. + * Emits an empty instruction. + */ + function emitNop() { + emitWorker(0 /* Nop */); + } + /** + * Emits a Statement. * - * @param node The statement to visit. + * @param node A statement. */ - function visitLabeledStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; + function emitStatement(node) { + if (node) { + emitWorker(1 /* Statement */, [node]); + } + else { + emitNop(); } - return node; } /** - * Visits the body of a WithStatement to hoist declarations. + * Emits an Assignment operation. * - * @param node The statement to visit. + * @param left The left-hand side of the assignment. + * @param right The right-hand side of the assignment. + * @param location An optional source map location for the assignment. */ - function visitWithStatement(node) { - var statement = ts.visitNode(node.statement, visitNestedNode, ts.isStatement, /*optional*/ false, ts.liftToBlock); - if (statement !== node.statement) { - var updated = ts.getMutableClone(node); - updated.statement = statement; - return updated; - } - return node; + function emitAssignment(left, right, location) { + emitWorker(2 /* Assign */, [left, right], location); } /** - * Visits the body of a SwitchStatement to hoist declarations. + * Emits a Break operation to the specified label. * - * @param node The statement to visit. + * @param label A label. + * @param location An optional source map location for the assignment. */ - function visitSwitchStatement(node) { - var caseBlock = ts.visitNode(node.caseBlock, visitNestedNode, ts.isCaseBlock); - if (caseBlock !== node.caseBlock) { - var updated = ts.getMutableClone(node); - updated.caseBlock = caseBlock; - return updated; - } - return node; + function emitBreak(label, location) { + emitWorker(3 /* Break */, [label], location); } /** - * Visits the body of a CaseBlock to hoist declarations. + * Emits a Break operation to the specified label when a condition evaluates to a truthy + * value at runtime. * - * @param node The node to visit. + * @param label A label. + * @param condition The condition. + * @param location An optional source map location for the assignment. */ - function visitCaseBlock(node) { - var clauses = ts.visitNodes(node.clauses, visitNestedNode, ts.isCaseOrDefaultClause); - if (clauses !== node.clauses) { - var updated = ts.getMutableClone(node); - updated.clauses = clauses; - return updated; - } - return node; + function emitBreakWhenTrue(label, condition, location) { + emitWorker(4 /* BreakWhenTrue */, [label, condition], location); } /** - * Visits the body of a CaseClause to hoist declarations. + * Emits a Break to the specified label when a condition evaluates to a falsey value at + * runtime. * - * @param node The clause to visit. + * @param label A label. + * @param condition The condition. + * @param location An optional source map location for the assignment. */ - function visitCaseClause(node) { - var statements = ts.visitNodes(node.statements, visitNestedNode, ts.isStatement); - if (statements !== node.statements) { - var updated = ts.getMutableClone(node); - updated.statements = statements; - return updated; - } - return node; + function emitBreakWhenFalse(label, condition, location) { + emitWorker(5 /* BreakWhenFalse */, [label, condition], location); } /** - * Visits the body of a DefaultClause to hoist declarations. + * Emits a YieldStar operation for the provided expression. * - * @param node The clause to visit. + * @param expression An optional value for the yield operation. + * @param location An optional source map location for the assignment. */ - function visitDefaultClause(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function emitYieldStar(expression, location) { + emitWorker(7 /* YieldStar */, [expression], location); } /** - * Visits the body of a TryStatement to hoist declarations. + * Emits a Yield operation for the provided expression. * - * @param node The statement to visit. + * @param expression An optional value for the yield operation. + * @param location An optional source map location for the assignment. */ - function visitTryStatement(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function emitYield(expression, location) { + emitWorker(6 /* Yield */, [expression], location); } /** - * Visits the body of a CatchClause to hoist declarations. + * Emits a Return operation for the provided expression. * - * @param node The clause to visit. + * @param expression An optional value for the operation. + * @param location An optional source map location for the assignment. */ - function visitCatchClause(node) { - var block = ts.visitNode(node.block, visitNestedNode, ts.isBlock); - if (block !== node.block) { - var updated = ts.getMutableClone(node); - updated.block = block; - return updated; - } - return node; + function emitReturn(expression, location) { + emitWorker(8 /* Return */, [expression], location); } /** - * Visits the body of a Block to hoist declarations. + * Emits a Throw operation for the provided expression. * - * @param node The block to visit. + * @param expression A value for the operation. + * @param location An optional source map location for the assignment. */ - function visitBlock(node) { - return ts.visitEachChild(node, visitNestedNode, context); + function emitThrow(expression, location) { + emitWorker(9 /* Throw */, [expression], location); } - // - // Substitutions - // - function onEmitNode(emitContext, node, emitCallback) { - if (node.kind === 256 /* SourceFile */) { - exportFunctionForFile = exportFunctionForFileMap[ts.getOriginalNodeId(node)]; - previousOnEmitNode(emitContext, node, emitCallback); - exportFunctionForFile = undefined; - } - else { - previousOnEmitNode(emitContext, node, emitCallback); - } + /** + * Emits an Endfinally operation. This is used to handle `finally` block semantics. + */ + function emitEndfinally() { + emitWorker(10 /* Endfinally */); } /** - * Hooks node substitutions. + * Emits an operation. * - * @param node The node to substitute. - * @param isExpression A value indicating whether the node is to be used in an expression - * position. + * @param code The OpCode for the operation. + * @param args The optional arguments for the operation. */ - function onSubstituteNode(emitContext, node) { - node = previousOnSubstituteNode(emitContext, node); - if (emitContext === 1 /* Expression */) { - return substituteExpression(node); + function emitWorker(code, args, location) { + if (operations === undefined) { + operations = []; + operationArguments = []; + operationLocations = []; } - return node; + if (labelOffsets === undefined) { + // mark entry point + markLabel(defineLabel()); + } + var operationIndex = operations.length; + operations[operationIndex] = code; + operationArguments[operationIndex] = args; + operationLocations[operationIndex] = location; } /** - * Substitute the expression, if necessary. - * - * @param node The node to substitute. + * Builds the generator function body. */ - function substituteExpression(node) { - switch (node.kind) { - case 70 /* Identifier */: - return substituteExpressionIdentifier(node); - case 188 /* BinaryExpression */: - return substituteBinaryExpression(node); - case 186 /* PrefixUnaryExpression */: - case 187 /* PostfixUnaryExpression */: - return substituteUnaryExpression(node); - } - return node; + function build() { + blockIndex = 0; + labelNumber = 0; + labelNumbers = undefined; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + clauses = undefined; + statements = undefined; + exceptionBlockStack = undefined; + currentExceptionBlock = undefined; + withBlockStack = undefined; + var buildResult = buildStatements(); + return ts.createCall(ts.createHelperName(currentSourceFile.externalHelpersModuleName, "__generator"), + /*typeArguments*/ undefined, [ + ts.createThis(), + ts.setEmitFlags(ts.createFunctionExpression( + /*modifiers*/ undefined, + /*asteriskToken*/ undefined, + /*name*/ undefined, + /*typeParameters*/ undefined, [ts.createParameter(state)], + /*type*/ undefined, ts.createBlock(buildResult, + /*location*/ undefined, + /*multiLine*/ buildResult.length > 0)), 4194304 /* ReuseTempVariableScope */) + ]); } /** - * Substitution for identifiers exported at the top level of a module. + * Builds the statements for the generator function body. */ - function substituteExpressionIdentifier(node) { - var importDeclaration = resolver.getReferencedImportDeclaration(node); - if (importDeclaration) { - var importBinding = createImportBinding(importDeclaration); - if (importBinding) { - return importBinding; + function buildStatements() { + if (operations) { + for (var operationIndex = 0; operationIndex < operations.length; operationIndex++) { + writeOperation(operationIndex); } + flushFinalLabel(operations.length); } - return node; - } - function substituteBinaryExpression(node) { - if (ts.isAssignmentOperator(node.operatorToken.kind)) { - return substituteAssignmentExpression(node); + else { + flushFinalLabel(0); } - return node; - } - function substituteAssignmentExpression(node) { - ts.setEmitFlags(node, 128 /* NoSubstitution */); - var left = node.left; - switch (left.kind) { - case 70 /* Identifier */: - var exportDeclaration = resolver.getReferencedExportContainer(left); - if (exportDeclaration) { - return createExportExpression(left, node); - } - break; - case 172 /* ObjectLiteralExpression */: - case 171 /* ArrayLiteralExpression */: - if (hasExportedReferenceInDestructuringPattern(left)) { - return substituteDestructuring(node); - } - break; + if (clauses) { + var labelExpression = ts.createPropertyAccess(state, "label"); + var switchStatement = ts.createSwitch(labelExpression, ts.createCaseBlock(clauses)); + switchStatement.startsOnNewLine = true; + return [switchStatement]; } - return node; - } - function isExportedBinding(name) { - var container = resolver.getReferencedExportContainer(name); - return container && container.kind === 256 /* SourceFile */; - } - function hasExportedReferenceInDestructuringPattern(node) { - switch (node.kind) { - case 70 /* Identifier */: - return isExportedBinding(node); - case 172 /* ObjectLiteralExpression */: - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var property = _a[_i]; - if (hasExportedReferenceInObjectDestructuringElement(property)) { - return true; - } - } - break; - case 171 /* ArrayLiteralExpression */: - for (var _b = 0, _c = node.elements; _b < _c.length; _b++) { - var element = _c[_b]; - if (hasExportedReferenceInArrayDestructuringElement(element)) { - return true; - } - } - break; + if (statements) { + return statements; } - return false; + return []; } - function hasExportedReferenceInObjectDestructuringElement(node) { - if (ts.isShorthandPropertyAssignment(node)) { - return isExportedBinding(node.name); - } - else if (ts.isPropertyAssignment(node)) { - return hasExportedReferenceInDestructuringElement(node.initializer); - } - else { - return false; + /** + * Flush the current label and advance to a new label. + */ + function flushLabel() { + if (!statements) { + return; } + appendLabel(/*markLabelEnd*/ !lastOperationWasAbrupt); + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + labelNumber++; } - function hasExportedReferenceInArrayDestructuringElement(node) { - if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + /** + * Flush the final label of the generator function body. + */ + function flushFinalLabel(operationIndex) { + if (isFinalLabelReachable(operationIndex)) { + tryEnterLabel(operationIndex); + withBlockStack = undefined; + writeReturn(/*expression*/ undefined, /*operationLocation*/ undefined); } - else { - return hasExportedReferenceInDestructuringElement(node); + if (statements && clauses) { + appendLabel(/*markLabelEnd*/ false); } + updateLabelExpressions(); } - function hasExportedReferenceInDestructuringElement(node) { - if (ts.isBinaryExpression(node)) { - var left = node.left; - return node.operatorToken.kind === 57 /* EqualsToken */ - && isDestructuringPattern(left) - && hasExportedReferenceInDestructuringPattern(left); + /** + * Tests whether the final label of the generator function body + * is reachable by user code. + */ + function isFinalLabelReachable(operationIndex) { + // if the last operation was *not* a completion (return/throw) then + // the final label is reachable. + if (!lastOperationWasCompletion) { + return true; } - else if (ts.isIdentifier(node)) { - return isExportedBinding(node); + // if there are no labels defined or referenced, then the final label is + // not reachable. + if (!labelOffsets || !labelExpressions) { + return false; } - else if (ts.isSpreadElementExpression(node)) { - var expression = node.expression; - return ts.isIdentifier(expression) && isExportedBinding(expression); + // if the label for this offset is referenced, then the final label + // is reachable. + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex && labelExpressions[label]) { + return true; + } } - else if (isDestructuringPattern(node)) { - return hasExportedReferenceInDestructuringPattern(node); + return false; + } + /** + * Appends a case clause for the last label and sets the new label. + * + * @param markLabelEnd Indicates that the transition between labels was a fall-through + * from a previous case clause and the change in labels should be + * reflected on the `state` object. + */ + function appendLabel(markLabelEnd) { + if (!clauses) { + clauses = []; } - else { - return false; + if (statements) { + if (withBlockStack) { + // The previous label was nested inside one or more `with` blocks, so we + // surround the statements in generated `with` blocks to create the same environment. + for (var i = withBlockStack.length - 1; i >= 0; i--) { + var withBlock = withBlockStack[i]; + statements = [ts.createWith(withBlock.expression, ts.createBlock(statements))]; + } + } + if (currentExceptionBlock) { + // The previous label was nested inside of an exception block, so we must + // indicate entry into a protected region by pushing the label numbers + // for each block in the protected region. + var startLabel = currentExceptionBlock.startLabel, catchLabel = currentExceptionBlock.catchLabel, finallyLabel = currentExceptionBlock.finallyLabel, endLabel = currentExceptionBlock.endLabel; + statements.unshift(ts.createStatement(ts.createCall(ts.createPropertyAccess(ts.createPropertyAccess(state, "trys"), "push"), + /*typeArguments*/ undefined, [ + ts.createArrayLiteral([ + createLabel(startLabel), + createLabel(catchLabel), + createLabel(finallyLabel), + createLabel(endLabel) + ]) + ]))); + currentExceptionBlock = undefined; + } + if (markLabelEnd) { + // The case clause for the last label falls through to this label, so we + // add an assignment statement to reflect the change in labels. + statements.push(ts.createStatement(ts.createAssignment(ts.createPropertyAccess(state, "label"), ts.createLiteral(labelNumber + 1)))); + } } + clauses.push(ts.createCaseClause(ts.createLiteral(labelNumber), statements || [])); + statements = undefined; } - function isDestructuringPattern(node) { - var kind = node.kind; - return kind === 70 /* Identifier */ - || kind === 172 /* ObjectLiteralExpression */ - || kind === 171 /* ArrayLiteralExpression */; - } - function substituteDestructuring(node) { - return ts.flattenDestructuringAssignment(context, node, /*needsValue*/ true, hoistVariableDeclaration); - } - function substituteUnaryExpression(node) { - var operand = node.operand; - var operator = node.operator; - var substitute = ts.isIdentifier(operand) && - (node.kind === 187 /* PostfixUnaryExpression */ || - (node.kind === 186 /* PrefixUnaryExpression */ && (operator === 42 /* PlusPlusToken */ || operator === 43 /* MinusMinusToken */))); - if (substitute) { - var exportDeclaration = resolver.getReferencedExportContainer(operand); - if (exportDeclaration) { - var expr = ts.createPrefix(node.operator, operand, node); - ts.setEmitFlags(expr, 128 /* NoSubstitution */); - var call = createExportExpression(operand, expr); - if (node.kind === 186 /* PrefixUnaryExpression */) { - return call; + /** + * Tries to enter into a new label at the current operation index. + */ + function tryEnterLabel(operationIndex) { + if (!labelOffsets) { + return; + } + for (var label = 0; label < labelOffsets.length; label++) { + if (labelOffsets[label] === operationIndex) { + flushLabel(); + if (labelNumbers === undefined) { + labelNumbers = []; + } + if (labelNumbers[labelNumber] === undefined) { + labelNumbers[labelNumber] = [label]; } else { - // export function returns the value that was passes as the second argument - // however for postfix unary expressions result value should be the value before modification. - // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' - return operator === 42 /* PlusPlusToken */ - ? ts.createSubtract(call, ts.createLiteral(1)) - : ts.createAdd(call, ts.createLiteral(1)); + labelNumbers[labelNumber].push(label); } } } - return node; } /** - * Gets a name to use for a DeclarationStatement. - * @param node The declaration statement. + * Updates literal expressions for labels with actual label numbers. */ - function getDeclarationName(node) { - return node.name ? ts.getSynthesizedClone(node.name) : ts.getGeneratedNameForNode(node); - } - function addExportStarFunction(statements, localNames) { - var exportStarFunction = ts.createUniqueName("exportStar"); - var m = ts.createIdentifier("m"); - var n = ts.createIdentifier("n"); - var exports = ts.createIdentifier("exports"); - var condition = ts.createStrictInequality(n, ts.createLiteral("default")); - if (localNames) { - condition = ts.createLogicalAnd(condition, ts.createLogicalNot(ts.createHasOwnProperty(localNames, n))); + function updateLabelExpressions() { + if (labelExpressions !== undefined && labelNumbers !== undefined) { + for (var labelNumber_1 = 0; labelNumber_1 < labelNumbers.length; labelNumber_1++) { + var labels = labelNumbers[labelNumber_1]; + if (labels !== undefined) { + for (var _i = 0, labels_1 = labels; _i < labels_1.length; _i++) { + var label = labels_1[_i]; + var expressions = labelExpressions[label]; + if (expressions !== undefined) { + for (var _a = 0, expressions_1 = expressions; _a < expressions_1.length; _a++) { + var expression = expressions_1[_a]; + expression.text = String(labelNumber_1); + } + } + } + } + } } - statements.push(ts.createFunctionDeclaration( - /*decorators*/ undefined, - /*modifiers*/ undefined, - /*asteriskToken*/ undefined, exportStarFunction, - /*typeParameters*/ undefined, [ts.createParameter(m)], - /*type*/ undefined, ts.createBlock([ - ts.createVariableStatement( - /*modifiers*/ undefined, ts.createVariableDeclarationList([ - ts.createVariableDeclaration(exports, - /*type*/ undefined, ts.createObjectLiteral([])) - ])), - ts.createForIn(ts.createVariableDeclarationList([ - ts.createVariableDeclaration(n, /*type*/ undefined) - ]), m, ts.createBlock([ - ts.setEmitFlags(ts.createIf(condition, ts.createStatement(ts.createAssignment(ts.createElementAccess(exports, n), ts.createElementAccess(m, n)))), 32 /* SingleLine */) - ])), - ts.createStatement(ts.createCall(exportFunctionForFile, - /*typeArguments*/ undefined, [exports])) - ], - /*location*/ undefined, - /*multiline*/ true))); - return exportStarFunction; - } - /** - * Creates a call to the current file's export function to export a value. - * @param name The bound name of the export. - * @param value The exported value. - */ - function createExportExpression(name, value) { - var exportName = ts.isIdentifier(name) ? ts.createLiteral(name.text) : name; - return ts.createCall(exportFunctionForFile, /*typeArguments*/ undefined, [exportName, value]); } /** - * Creates a call to the current file's export function to export a value. - * @param name The bound name of the export. - * @param value The exported value. + * Tries to enter or leave a code block. */ - function createExportStatement(name, value) { - return ts.createStatement(createExportExpression(name, value)); + function tryEnterOrLeaveBlock(operationIndex) { + if (blocks) { + for (; blockIndex < blockActions.length && blockOffsets[blockIndex] <= operationIndex; blockIndex++) { + var block = blocks[blockIndex]; + var blockAction = blockActions[blockIndex]; + if (isExceptionBlock(block)) { + if (blockAction === 0 /* Open */) { + if (!exceptionBlockStack) { + exceptionBlockStack = []; + } + if (!statements) { + statements = []; + } + exceptionBlockStack.push(currentExceptionBlock); + currentExceptionBlock = block; + } + else if (blockAction === 1 /* Close */) { + currentExceptionBlock = exceptionBlockStack.pop(); + } + } + else if (isWithBlock(block)) { + if (blockAction === 0 /* Open */) { + if (!withBlockStack) { + withBlockStack = []; + } + withBlockStack.push(block); + } + else if (blockAction === 1 /* Close */) { + withBlockStack.pop(); + } + } + } + } } /** - * Creates a call to the current file's export function to export a declaration. - * @param node The declaration to export. + * Writes an operation as a statement to the current label's statement list. + * + * @param operation The OpCode of the operation */ - function createDeclarationExport(node) { - var declarationName = getDeclarationName(node); - var exportName = ts.hasModifier(node, 512 /* Default */) ? ts.createLiteral("default") : declarationName; - return createExportStatement(exportName, declarationName); - } - function createImportBinding(importDeclaration) { - var importAlias; - var name; - if (ts.isImportClause(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent); - name = ts.createIdentifier("default"); + function writeOperation(operationIndex) { + tryEnterLabel(operationIndex); + tryEnterOrLeaveBlock(operationIndex); + // early termination, nothing else to process in this label + if (lastOperationWasAbrupt) { + return; } - else if (ts.isImportSpecifier(importDeclaration)) { - importAlias = ts.getGeneratedNameForNode(importDeclaration.parent.parent.parent); - name = importDeclaration.propertyName || importDeclaration.name; + lastOperationWasAbrupt = false; + lastOperationWasCompletion = false; + var opcode = operations[operationIndex]; + if (opcode === 0 /* Nop */) { + return; } - else { - return undefined; + else if (opcode === 10 /* Endfinally */) { + return writeEndfinally(); + } + var args = operationArguments[operationIndex]; + if (opcode === 1 /* Statement */) { + return writeStatement(args[0]); + } + var location = operationLocations[operationIndex]; + switch (opcode) { + case 2 /* Assign */: + return writeAssign(args[0], args[1], location); + case 3 /* Break */: + return writeBreak(args[0], location); + case 4 /* BreakWhenTrue */: + return writeBreakWhenTrue(args[0], args[1], location); + case 5 /* BreakWhenFalse */: + return writeBreakWhenFalse(args[0], args[1], location); + case 6 /* Yield */: + return writeYield(args[0], location); + case 7 /* YieldStar */: + return writeYieldStar(args[0], location); + case 8 /* Return */: + return writeReturn(args[0], location); + case 9 /* Throw */: + return writeThrow(args[0], location); } - return ts.createPropertyAccess(importAlias, ts.getSynthesizedClone(name)); } - function collectDependencyGroups(externalImports) { - var groupIndices = ts.createMap(); - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var externalImport = externalImports[i]; - var externalModuleName = ts.getExternalModuleNameLiteral(externalImport, currentSourceFile, host, resolver, compilerOptions); - var text = externalModuleName.text; - if (ts.hasProperty(groupIndices, text)) { - // deduplicate/group entries in dependency list by the dependency name - var groupIndex = groupIndices[text]; - dependencyGroups[groupIndex].externalImports.push(externalImport); - continue; + /** + * Writes a statement to the current label's statement list. + * + * @param statement A statement to write. + */ + function writeStatement(statement) { + if (statement) { + if (!statements) { + statements = [statement]; } else { - groupIndices[text] = dependencyGroups.length; - dependencyGroups.push({ - name: externalModuleName, - externalImports: [externalImport] - }); + statements.push(statement); } } - return dependencyGroups; - } - function getNameOfDependencyGroup(dependencyGroup) { - return dependencyGroup.name; } - function recordExportName(name) { - if (!exportedLocalNames) { - exportedLocalNames = []; - } - exportedLocalNames.push(name); + /** + * Writes an Assign operation to the current label's statement list. + * + * @param left The left-hand side of the assignment. + * @param right The right-hand side of the assignment. + * @param operationLocation The source map location for the operation. + */ + function writeAssign(left, right, operationLocation) { + writeStatement(ts.createStatement(ts.createAssignment(left, right), operationLocation)); } - function recordExportedFunctionDeclaration(node) { - if (!exportedFunctionDeclarations) { - exportedFunctionDeclarations = []; - } - exportedFunctionDeclarations.push(createDeclarationExport(node)); + /** + * Writes a Throw operation to the current label's statement list. + * + * @param expression The value to throw. + * @param operationLocation The source map location for the operation. + */ + function writeThrow(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createThrow(expression, operationLocation)); } - function hoistBindingElement(node, isExported) { - if (ts.isOmittedExpression(node)) { - return; - } - var name = node.name; - if (ts.isIdentifier(name)) { - hoistVariableDeclaration(ts.getSynthesizedClone(name)); - if (isExported) { - recordExportName(name); - } - } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, isExported ? hoistExportedBindingElement : hoistNonExportedBindingElement); - } + /** + * Writes a Return operation to the current label's statement list. + * + * @param expression The value to return. + * @param operationLocation The source map location for the operation. + */ + function writeReturn(expression, operationLocation) { + lastOperationWasAbrupt = true; + lastOperationWasCompletion = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(2 /* Return */), expression] + : [createInstruction(2 /* Return */)]), operationLocation)); } - function hoistExportedBindingElement(node) { - hoistBindingElement(node, /*isExported*/ true); + /** + * Writes a Break operation to the current label's statement list. + * + * @param label The label for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreak(label, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), operationLocation)); } - function hoistNonExportedBindingElement(node) { - hoistBindingElement(node, /*isExported*/ false); + /** + * Writes a BreakWhenTrue operation to the current label's statement list. + * + * @param label The label for the Break. + * @param condition The condition for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreakWhenTrue(label, condition, operationLocation) { + writeStatement(ts.createIf(condition, ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), operationLocation))); } - function updateSourceFile(node, statements, nodeEmitFlags) { - var updated = ts.getMutableClone(node); - updated.statements = ts.createNodeArray(statements, node.statements); - ts.setEmitFlags(updated, nodeEmitFlags); - return updated; + /** + * Writes a BreakWhenFalse operation to the current label's statement list. + * + * @param label The label for the Break. + * @param condition The condition for the Break. + * @param operationLocation The source map location for the operation. + */ + function writeBreakWhenFalse(label, condition, operationLocation) { + writeStatement(ts.createIf(ts.createLogicalNot(condition), ts.createReturn(ts.createArrayLiteral([ + createInstruction(3 /* Break */), + createLabel(label) + ]), operationLocation))); } - } - ts.transformSystemModule = transformSystemModule; -})(ts || (ts = {})); -/// -/// -/*@internal*/ -var ts; -(function (ts) { - function transformES2015Module(context) { - var compilerOptions = context.getCompilerOptions(); - return transformSourceFile; - function transformSourceFile(node) { - if (ts.isDeclarationFile(node)) { - return node; - } - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - return ts.visitEachChild(node, visitor, context); - } - return node; + /** + * Writes a Yield operation to the current label's statement list. + * + * @param expression The expression to yield. + * @param operationLocation The source map location for the operation. + */ + function writeYield(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral(expression + ? [createInstruction(4 /* Yield */), expression] + : [createInstruction(4 /* Yield */)]), operationLocation)); } - function visitor(node) { - switch (node.kind) { - case 230 /* ImportEqualsDeclaration */: - // Elide `import=` as it is not legal with --module ES6 - return undefined; - case 236 /* ExportAssignment */: - return visitExportAssignment(node); - } - return node; + /** + * Writes a YieldStar instruction to the current label's statement list. + * + * @param expression The expression to yield. + * @param operationLocation The source map location for the operation. + */ + function writeYieldStar(expression, operationLocation) { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(5 /* YieldStar */), + expression + ]), operationLocation)); } - function visitExportAssignment(node) { - // Elide `export=` as it is not legal with --module ES6 - return node.isExportEquals ? undefined : node; + /** + * Writes an Endfinally instruction to the current label's statement list. + */ + function writeEndfinally() { + lastOperationWasAbrupt = true; + writeStatement(ts.createReturn(ts.createArrayLiteral([ + createInstruction(7 /* Endfinally */) + ]))); } } - ts.transformES2015Module = transformES2015Module; + ts.transformGenerators = transformGenerators; + var _a; })(ts || (ts = {})); /// /// @@ -54619,7 +54805,7 @@ var ts; var isCurrentFileExternalModule; var reportedDeclarationError = false; var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function () { } : writeJsDocComments; + var emitJsDocComments = compilerOptions.removeComments ? ts.noop : writeJsDocComments; var emit = compilerOptions.stripInternal ? stripInternal : emitNode; var noDeclare; var moduleElementDeclarationEmitInfo = []; @@ -59034,21 +59220,7 @@ var ts; // check properties that can affect structure of the program or module resolution strategy // if any of these properties has changed - structure cannot be reused var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.moduleResolution !== options.moduleResolution) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs) || - (oldOptions.rootDir !== options.rootDir) || - (oldOptions.configFilePath !== options.configFilePath) || - (oldOptions.baseUrl !== options.baseUrl) || - (oldOptions.maxNodeModuleJsDepth !== options.maxNodeModuleJsDepth) || - !ts.arrayIsEqualTo(oldOptions.lib, options.lib) || - !ts.arrayIsEqualTo(oldOptions.typeRoots, oldOptions.typeRoots) || - !ts.arrayIsEqualTo(oldOptions.rootDirs, options.rootDirs) || - !ts.equalOwnProperties(oldOptions.paths, options.paths)) { + if (ts.changesAffectModuleResolution(oldOptions, options)) { return false; } ts.Debug.assert(!oldProgram.structureIsReused); @@ -59455,8 +59627,7 @@ var ts; return runWithCancellationToken(function () { var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); // Don't actually write any files since we're just getting diagnostics. - var writeFile = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile); + return ts.getDeclarationDiagnostics(getEmitHost(ts.noop), resolver, sourceFile); }); } function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { @@ -60580,7 +60751,13 @@ var ts; i++; break; case "boolean": - options[opt.name] = true; + // boolean flag has optional value true, false, others + var optValue = args[i]; + options[opt.name] = optValue !== "false"; + // consume next argument as boolean flag value + if (optValue === "false" || optValue === "true") { + i++; + } break; case "string": options[opt.name] = args[i] || ""; @@ -60879,6 +61056,9 @@ var ts; if (ts.hasProperty(json, "files")) { if (ts.isArray(json["files"])) { fileNames = json["files"]; + if (fileNames.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json")); + } } else { errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); @@ -60916,7 +61096,11 @@ var ts; if (fileNames === undefined && includeSpecs === undefined) { includeSpecs = ["**/*"]; } - return matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + if (result.fileNames.length === 0 && !ts.hasProperty(json, "files") && resolutionStack.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || []))); + } + return result; } var _b; } @@ -62579,8 +62763,8 @@ var ts; increaseIndent: function () { indent++; }, decreaseIndent: function () { indent--; }, clear: resetWriter, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } + trackSymbol: ts.noop, + reportInaccessibleThisError: ts.noop }; function writeIndent() { if (lineStart) { @@ -63925,7 +64109,7 @@ var ts; if (!type) { return; } - if (type.flags & 524288 /* Union */) { + if (type.flags & 65536 /* Union */) { ts.forEach(type.types, function (t) { return addStringLiteralCompletionsFromType(t, result); }); } else { @@ -64581,7 +64765,7 @@ var ts; symbols.push(symbol); } } - if (isJavaScriptFile && type.flags & 524288 /* Union */) { + if (isJavaScriptFile && type.flags & 65536 /* Union */) { // In javascript files, for union types, we don't just get the members that // the individual types have in common, we also include all the members that // each individual type has. This is because we're going to add all identifiers @@ -66274,7 +66458,7 @@ var ts; if (localParentType.symbol && localParentType.symbol.flags & (32 /* Class */ | 64 /* Interface */) && localParentType.symbol !== searchSymbol.parent) { return [localParentType.symbol]; } - else if (localParentType.flags & 1572864 /* UnionOrIntersection */) { + else if (localParentType.flags & 196608 /* UnionOrIntersection */) { return getSymbolsForClassAndInterfaceComponents(localParentType); } } @@ -66438,7 +66622,7 @@ var ts; if (componentType.symbol && componentType.symbol.getFlags() & (32 /* Class */ | 64 /* Interface */)) { result.push(componentType.symbol); } - if (componentType.getFlags() & 1572864 /* UnionOrIntersection */) { + if (componentType.getFlags() & 196608 /* UnionOrIntersection */) { getSymbolsForClassAndInterfaceComponents(componentType, result); } } @@ -66718,8 +66902,8 @@ var ts; if (!node_2 || node_2.kind !== 9 /* StringLiteral */) { return; } - var type_1 = ts.getStringLiteralTypeForNode(node_2, typeChecker); - if (type_1 === searchType) { + var type_2 = ts.getStringLiteralTypeForNode(node_2, typeChecker); + if (type_2 === searchType) { references.push(getReferenceEntryFromNode(node_2)); } } @@ -66939,7 +67123,7 @@ var ts; if (symbol_2) { result_4.push(symbol_2); } - if (contextualType.flags & 524288 /* Union */) { + if (contextualType.flags & 65536 /* Union */) { ts.forEach(contextualType.types, function (t) { var symbol = t.getProperty(name); if (symbol) { @@ -67213,7 +67397,7 @@ var ts; if (!type) { return undefined; } - if (type.flags & 524288 /* Union */ && !(type.flags & 16 /* Enum */)) { + if (type.flags & 65536 /* Union */ && !(type.flags & 16 /* Enum */)) { var result_5 = []; ts.forEach(type.types, function (t) { if (t.symbol) { @@ -67622,6 +67806,16 @@ var ts; // that we are confident require typings var safeList; var EmptySafeList = ts.createMap(); + /* @internal */ + JsTyping.nodeCoreModuleList = [ + "buffer", "querystring", "events", "http", "cluster", + "zlib", "os", "https", "punycode", "repl", "readline", + "vm", "child_process", "url", "dns", "net", + "dgram", "fs", "path", "string_decoder", "tls", + "crypto", "stream", "util", "assert", "tty", "domain", + "constants", "process", "v8", "timers", "console" + ]; + var nodeCoreModules = ts.arrayToMap(JsTyping.nodeCoreModuleList, function (x) { return x; }); /** * @param host is the object providing I/O related operations. * @param fileNames are the file names that belong to the same project @@ -67631,7 +67825,7 @@ var ts; * @param typingOptions are used to customize the typing inference process * @param compilerOptions are used as a source for typing inference */ - function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions) { + function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions, unresolvedImports) { // A typing name to typing file path mapping var inferredTypings = ts.createMap(); if (!typingOptions || !typingOptions.enableAutoDiscovery) { @@ -67667,6 +67861,16 @@ var ts; getTypingNamesFromNodeModuleFolder(nodeModulesPath); } getTypingNamesFromSourceFileNames(fileNames); + // add typings for unresolved imports + if (unresolvedImports) { + for (var _a = 0, unresolvedImports_1 = unresolvedImports; _a < unresolvedImports_1.length; _a++) { + var moduleId = unresolvedImports_1[_a]; + var typingName = moduleId in nodeCoreModules ? "node" : moduleId; + if (!(typingName in inferredTypings)) { + inferredTypings[typingName] = undefined; + } + } + } // Add the cached typing locations for inferred typings that are already installed for (var name_48 in packageNameToTypingLocation) { if (name_48 in inferredTypings && !inferredTypings[name_48]) { @@ -67674,8 +67878,8 @@ var ts; } } // Remove typings that the user has added to the exclude list - for (var _a = 0, exclude_1 = exclude; _a < exclude_1.length; _a++) { - var excludeTypingName = exclude_1[_a]; + for (var _b = 0, exclude_1 = exclude; _b < exclude_1.length; _b++) { + var excludeTypingName = exclude_1[_b]; delete inferredTypings[excludeTypingName]; } var newTypingNames = []; @@ -67707,10 +67911,12 @@ var ts; * Get the typing info from common package manager json files like package.json or bower.json */ function getTypingNamesFromJson(jsonPath, filesToWatch) { + if (host.fileExists(jsonPath)) { + filesToWatch.push(jsonPath); + } var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }); if (result.config) { var jsonConfig = result.config; - filesToWatch.push(jsonPath); if (jsonConfig.dependencies) { mergeTypings(ts.getOwnKeys(jsonConfig.dependencies)); } @@ -68332,6 +68538,9 @@ var ts; if (ts.getModifierFlags(node) & 512 /* Default */) { return "default"; } + // We may get a string with newlines or other whitespace in the case of an object dereference + // (eg: "app\n.onactivated"), so we should remove the whitespace for readabiltiy in the + // navigation bar. return getFunctionOrClassName(node); case 149 /* Constructor */: return "constructor"; @@ -68509,7 +68718,7 @@ var ts; } else if (node.parent.kind === 188 /* BinaryExpression */ && node.parent.operatorToken.kind === 57 /* EqualsToken */) { - return nodeText(node.parent.left); + return nodeText(node.parent.left).replace(whiteSpaceRegex, ""); } else if (node.parent.kind === 253 /* PropertyAssignment */ && node.parent.name) { return nodeText(node.parent.name); @@ -68524,6 +68733,20 @@ var ts; function isFunctionOrClassExpression(node) { return node.kind === 180 /* FunctionExpression */ || node.kind === 181 /* ArrowFunction */ || node.kind === 193 /* ClassExpression */; } + /** + * Matches all whitespace characters in a string. Eg: + * + * "app. + * + * onactivated" + * + * matches because of the newline, whereas + * + * "app.onactivated" + * + * does not match. + */ + var whiteSpaceRegex = /\s+/g; })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); })(ts || (ts = {})); /* @internal */ @@ -70400,7 +70623,7 @@ var ts; displayParts.push(ts.keywordPart(93 /* NewKeyword */)); displayParts.push(ts.spacePart()); } - if (!(type.flags & 2097152 /* Anonymous */) && type.symbol) { + if (!(type.flags & 32768 /* Object */ && type.objectFlags & 16 /* Anonymous */) && type.symbol) { ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */)); } addSignatureDisplayParts(signature, allSignatures, 8 /* WriteArrowStyleSignature */); @@ -70831,7 +71054,7 @@ var ts; return typeof o.type === "object" && !ts.forEachProperty(o.type, function (v) { return typeof v !== "number"; }); }); options = ts.clone(options); - var _loop_2 = function (opt) { + var _loop_3 = function (opt) { if (!ts.hasProperty(options, opt.name)) { return "continue"; } @@ -70850,7 +71073,7 @@ var ts; }; for (var _i = 0, commandLineOptionsStringToEnum_1 = commandLineOptionsStringToEnum; _i < commandLineOptionsStringToEnum_1.length; _i++) { var opt = commandLineOptionsStringToEnum_1[_i]; - _loop_2(opt); + _loop_3(opt); } return options; } @@ -74088,7 +74311,7 @@ var ts; return this.checker.getIndexTypeOfType(this, 1 /* Number */); }; TypeObject.prototype.getBaseTypes = function () { - return this.flags & (32768 /* Class */ | 65536 /* Interface */) + return this.flags & 32768 /* Object */ && this.objectFlags & (1 /* Class */ | 2 /* Interface */) ? this.checker.getBaseTypes(this) : undefined; }; @@ -74599,7 +74822,7 @@ var ts; useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, - writeFile: function () { }, + writeFile: ts.noop, getCurrentDirectory: function () { return currentDirectory; }, fileExists: function (fileName) { // stub missing host functionality @@ -76706,7 +76929,7 @@ var ts; var getCanonicalFileName = ts.createGetCanonicalFileName(/*useCaseSensitivefileNames:*/ false); return this.forwardJSONCall("discoverTypings()", function () { var info = JSON.parse(discoverTypingsJson); - return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions); + return ts.JsTyping.discoverTypings(_this.host, info.fileNames, ts.toPath(info.projectRootPath, info.projectRootPath, getCanonicalFileName), ts.toPath(info.safeListPath, info.safeListPath, getCanonicalFileName), info.packageNameToTypingLocation, info.typingOptions, info.unresolvedImports); }); }; return CoreServicesShimObject; @@ -76795,5 +77018,3 @@ var TypeScript; /* @internal */ var toolsVersion = "2.1"; /* tslint:enable:no-unused-variable */ - -//# sourceMappingURL=typescriptServices.js.map diff --git a/lib/typingsInstaller.js b/lib/typingsInstaller.js index 147b38fde197d..06fff6592e1fc 100644 --- a/lib/typingsInstaller.js +++ b/lib/typingsInstaller.js @@ -20,418 +20,6 @@ var __extends = (this && this.__extends) || function (d, b) { }; var ts; (function (ts) { - (function (SyntaxKind) { - SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; - SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; - SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; - SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; - SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; - SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; - SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; - SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; - SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; - SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; - SyntaxKind[SyntaxKind["JsxText"] = 10] = "JsxText"; - SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 11] = "RegularExpressionLiteral"; - SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 12] = "NoSubstitutionTemplateLiteral"; - SyntaxKind[SyntaxKind["TemplateHead"] = 13] = "TemplateHead"; - SyntaxKind[SyntaxKind["TemplateMiddle"] = 14] = "TemplateMiddle"; - SyntaxKind[SyntaxKind["TemplateTail"] = 15] = "TemplateTail"; - SyntaxKind[SyntaxKind["OpenBraceToken"] = 16] = "OpenBraceToken"; - SyntaxKind[SyntaxKind["CloseBraceToken"] = 17] = "CloseBraceToken"; - SyntaxKind[SyntaxKind["OpenParenToken"] = 18] = "OpenParenToken"; - SyntaxKind[SyntaxKind["CloseParenToken"] = 19] = "CloseParenToken"; - SyntaxKind[SyntaxKind["OpenBracketToken"] = 20] = "OpenBracketToken"; - SyntaxKind[SyntaxKind["CloseBracketToken"] = 21] = "CloseBracketToken"; - SyntaxKind[SyntaxKind["DotToken"] = 22] = "DotToken"; - SyntaxKind[SyntaxKind["DotDotDotToken"] = 23] = "DotDotDotToken"; - SyntaxKind[SyntaxKind["SemicolonToken"] = 24] = "SemicolonToken"; - SyntaxKind[SyntaxKind["CommaToken"] = 25] = "CommaToken"; - SyntaxKind[SyntaxKind["LessThanToken"] = 26] = "LessThanToken"; - SyntaxKind[SyntaxKind["LessThanSlashToken"] = 27] = "LessThanSlashToken"; - SyntaxKind[SyntaxKind["GreaterThanToken"] = 28] = "GreaterThanToken"; - SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 29] = "LessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 30] = "GreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 31] = "EqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 32] = "ExclamationEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 33] = "EqualsEqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 34] = "ExclamationEqualsEqualsToken"; - SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 35] = "EqualsGreaterThanToken"; - SyntaxKind[SyntaxKind["PlusToken"] = 36] = "PlusToken"; - SyntaxKind[SyntaxKind["MinusToken"] = 37] = "MinusToken"; - SyntaxKind[SyntaxKind["AsteriskToken"] = 38] = "AsteriskToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 39] = "AsteriskAsteriskToken"; - SyntaxKind[SyntaxKind["SlashToken"] = 40] = "SlashToken"; - SyntaxKind[SyntaxKind["PercentToken"] = 41] = "PercentToken"; - SyntaxKind[SyntaxKind["PlusPlusToken"] = 42] = "PlusPlusToken"; - SyntaxKind[SyntaxKind["MinusMinusToken"] = 43] = "MinusMinusToken"; - SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 44] = "LessThanLessThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 46] = "GreaterThanGreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["AmpersandToken"] = 47] = "AmpersandToken"; - SyntaxKind[SyntaxKind["BarToken"] = 48] = "BarToken"; - SyntaxKind[SyntaxKind["CaretToken"] = 49] = "CaretToken"; - SyntaxKind[SyntaxKind["ExclamationToken"] = 50] = "ExclamationToken"; - SyntaxKind[SyntaxKind["TildeToken"] = 51] = "TildeToken"; - SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 52] = "AmpersandAmpersandToken"; - SyntaxKind[SyntaxKind["BarBarToken"] = 53] = "BarBarToken"; - SyntaxKind[SyntaxKind["QuestionToken"] = 54] = "QuestionToken"; - SyntaxKind[SyntaxKind["ColonToken"] = 55] = "ColonToken"; - SyntaxKind[SyntaxKind["AtToken"] = 56] = "AtToken"; - SyntaxKind[SyntaxKind["EqualsToken"] = 57] = "EqualsToken"; - SyntaxKind[SyntaxKind["PlusEqualsToken"] = 58] = "PlusEqualsToken"; - SyntaxKind[SyntaxKind["MinusEqualsToken"] = 59] = "MinusEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 60] = "AsteriskEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 61] = "AsteriskAsteriskEqualsToken"; - SyntaxKind[SyntaxKind["SlashEqualsToken"] = 62] = "SlashEqualsToken"; - SyntaxKind[SyntaxKind["PercentEqualsToken"] = 63] = "PercentEqualsToken"; - SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 64] = "LessThanLessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 66] = "GreaterThanGreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 67] = "AmpersandEqualsToken"; - SyntaxKind[SyntaxKind["BarEqualsToken"] = 68] = "BarEqualsToken"; - SyntaxKind[SyntaxKind["CaretEqualsToken"] = 69] = "CaretEqualsToken"; - SyntaxKind[SyntaxKind["Identifier"] = 70] = "Identifier"; - SyntaxKind[SyntaxKind["BreakKeyword"] = 71] = "BreakKeyword"; - SyntaxKind[SyntaxKind["CaseKeyword"] = 72] = "CaseKeyword"; - SyntaxKind[SyntaxKind["CatchKeyword"] = 73] = "CatchKeyword"; - SyntaxKind[SyntaxKind["ClassKeyword"] = 74] = "ClassKeyword"; - SyntaxKind[SyntaxKind["ConstKeyword"] = 75] = "ConstKeyword"; - SyntaxKind[SyntaxKind["ContinueKeyword"] = 76] = "ContinueKeyword"; - SyntaxKind[SyntaxKind["DebuggerKeyword"] = 77] = "DebuggerKeyword"; - SyntaxKind[SyntaxKind["DefaultKeyword"] = 78] = "DefaultKeyword"; - SyntaxKind[SyntaxKind["DeleteKeyword"] = 79] = "DeleteKeyword"; - SyntaxKind[SyntaxKind["DoKeyword"] = 80] = "DoKeyword"; - SyntaxKind[SyntaxKind["ElseKeyword"] = 81] = "ElseKeyword"; - SyntaxKind[SyntaxKind["EnumKeyword"] = 82] = "EnumKeyword"; - SyntaxKind[SyntaxKind["ExportKeyword"] = 83] = "ExportKeyword"; - SyntaxKind[SyntaxKind["ExtendsKeyword"] = 84] = "ExtendsKeyword"; - SyntaxKind[SyntaxKind["FalseKeyword"] = 85] = "FalseKeyword"; - SyntaxKind[SyntaxKind["FinallyKeyword"] = 86] = "FinallyKeyword"; - SyntaxKind[SyntaxKind["ForKeyword"] = 87] = "ForKeyword"; - SyntaxKind[SyntaxKind["FunctionKeyword"] = 88] = "FunctionKeyword"; - SyntaxKind[SyntaxKind["IfKeyword"] = 89] = "IfKeyword"; - SyntaxKind[SyntaxKind["ImportKeyword"] = 90] = "ImportKeyword"; - SyntaxKind[SyntaxKind["InKeyword"] = 91] = "InKeyword"; - SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 92] = "InstanceOfKeyword"; - SyntaxKind[SyntaxKind["NewKeyword"] = 93] = "NewKeyword"; - SyntaxKind[SyntaxKind["NullKeyword"] = 94] = "NullKeyword"; - SyntaxKind[SyntaxKind["ReturnKeyword"] = 95] = "ReturnKeyword"; - SyntaxKind[SyntaxKind["SuperKeyword"] = 96] = "SuperKeyword"; - SyntaxKind[SyntaxKind["SwitchKeyword"] = 97] = "SwitchKeyword"; - SyntaxKind[SyntaxKind["ThisKeyword"] = 98] = "ThisKeyword"; - SyntaxKind[SyntaxKind["ThrowKeyword"] = 99] = "ThrowKeyword"; - SyntaxKind[SyntaxKind["TrueKeyword"] = 100] = "TrueKeyword"; - SyntaxKind[SyntaxKind["TryKeyword"] = 101] = "TryKeyword"; - SyntaxKind[SyntaxKind["TypeOfKeyword"] = 102] = "TypeOfKeyword"; - SyntaxKind[SyntaxKind["VarKeyword"] = 103] = "VarKeyword"; - SyntaxKind[SyntaxKind["VoidKeyword"] = 104] = "VoidKeyword"; - SyntaxKind[SyntaxKind["WhileKeyword"] = 105] = "WhileKeyword"; - SyntaxKind[SyntaxKind["WithKeyword"] = 106] = "WithKeyword"; - SyntaxKind[SyntaxKind["ImplementsKeyword"] = 107] = "ImplementsKeyword"; - SyntaxKind[SyntaxKind["InterfaceKeyword"] = 108] = "InterfaceKeyword"; - SyntaxKind[SyntaxKind["LetKeyword"] = 109] = "LetKeyword"; - SyntaxKind[SyntaxKind["PackageKeyword"] = 110] = "PackageKeyword"; - SyntaxKind[SyntaxKind["PrivateKeyword"] = 111] = "PrivateKeyword"; - SyntaxKind[SyntaxKind["ProtectedKeyword"] = 112] = "ProtectedKeyword"; - SyntaxKind[SyntaxKind["PublicKeyword"] = 113] = "PublicKeyword"; - SyntaxKind[SyntaxKind["StaticKeyword"] = 114] = "StaticKeyword"; - SyntaxKind[SyntaxKind["YieldKeyword"] = 115] = "YieldKeyword"; - SyntaxKind[SyntaxKind["AbstractKeyword"] = 116] = "AbstractKeyword"; - SyntaxKind[SyntaxKind["AsKeyword"] = 117] = "AsKeyword"; - SyntaxKind[SyntaxKind["AnyKeyword"] = 118] = "AnyKeyword"; - SyntaxKind[SyntaxKind["AsyncKeyword"] = 119] = "AsyncKeyword"; - SyntaxKind[SyntaxKind["AwaitKeyword"] = 120] = "AwaitKeyword"; - SyntaxKind[SyntaxKind["BooleanKeyword"] = 121] = "BooleanKeyword"; - SyntaxKind[SyntaxKind["ConstructorKeyword"] = 122] = "ConstructorKeyword"; - SyntaxKind[SyntaxKind["DeclareKeyword"] = 123] = "DeclareKeyword"; - SyntaxKind[SyntaxKind["GetKeyword"] = 124] = "GetKeyword"; - SyntaxKind[SyntaxKind["IsKeyword"] = 125] = "IsKeyword"; - SyntaxKind[SyntaxKind["ModuleKeyword"] = 126] = "ModuleKeyword"; - SyntaxKind[SyntaxKind["NamespaceKeyword"] = 127] = "NamespaceKeyword"; - SyntaxKind[SyntaxKind["NeverKeyword"] = 128] = "NeverKeyword"; - SyntaxKind[SyntaxKind["ReadonlyKeyword"] = 129] = "ReadonlyKeyword"; - SyntaxKind[SyntaxKind["RequireKeyword"] = 130] = "RequireKeyword"; - SyntaxKind[SyntaxKind["NumberKeyword"] = 131] = "NumberKeyword"; - SyntaxKind[SyntaxKind["SetKeyword"] = 132] = "SetKeyword"; - SyntaxKind[SyntaxKind["StringKeyword"] = 133] = "StringKeyword"; - SyntaxKind[SyntaxKind["SymbolKeyword"] = 134] = "SymbolKeyword"; - SyntaxKind[SyntaxKind["TypeKeyword"] = 135] = "TypeKeyword"; - SyntaxKind[SyntaxKind["UndefinedKeyword"] = 136] = "UndefinedKeyword"; - SyntaxKind[SyntaxKind["FromKeyword"] = 137] = "FromKeyword"; - SyntaxKind[SyntaxKind["GlobalKeyword"] = 138] = "GlobalKeyword"; - SyntaxKind[SyntaxKind["OfKeyword"] = 139] = "OfKeyword"; - SyntaxKind[SyntaxKind["QualifiedName"] = 140] = "QualifiedName"; - SyntaxKind[SyntaxKind["ComputedPropertyName"] = 141] = "ComputedPropertyName"; - SyntaxKind[SyntaxKind["TypeParameter"] = 142] = "TypeParameter"; - SyntaxKind[SyntaxKind["Parameter"] = 143] = "Parameter"; - SyntaxKind[SyntaxKind["Decorator"] = 144] = "Decorator"; - SyntaxKind[SyntaxKind["PropertySignature"] = 145] = "PropertySignature"; - SyntaxKind[SyntaxKind["PropertyDeclaration"] = 146] = "PropertyDeclaration"; - SyntaxKind[SyntaxKind["MethodSignature"] = 147] = "MethodSignature"; - SyntaxKind[SyntaxKind["MethodDeclaration"] = 148] = "MethodDeclaration"; - SyntaxKind[SyntaxKind["Constructor"] = 149] = "Constructor"; - SyntaxKind[SyntaxKind["GetAccessor"] = 150] = "GetAccessor"; - SyntaxKind[SyntaxKind["SetAccessor"] = 151] = "SetAccessor"; - SyntaxKind[SyntaxKind["CallSignature"] = 152] = "CallSignature"; - SyntaxKind[SyntaxKind["ConstructSignature"] = 153] = "ConstructSignature"; - SyntaxKind[SyntaxKind["IndexSignature"] = 154] = "IndexSignature"; - SyntaxKind[SyntaxKind["TypePredicate"] = 155] = "TypePredicate"; - SyntaxKind[SyntaxKind["TypeReference"] = 156] = "TypeReference"; - SyntaxKind[SyntaxKind["FunctionType"] = 157] = "FunctionType"; - SyntaxKind[SyntaxKind["ConstructorType"] = 158] = "ConstructorType"; - SyntaxKind[SyntaxKind["TypeQuery"] = 159] = "TypeQuery"; - SyntaxKind[SyntaxKind["TypeLiteral"] = 160] = "TypeLiteral"; - SyntaxKind[SyntaxKind["ArrayType"] = 161] = "ArrayType"; - SyntaxKind[SyntaxKind["TupleType"] = 162] = "TupleType"; - SyntaxKind[SyntaxKind["UnionType"] = 163] = "UnionType"; - SyntaxKind[SyntaxKind["IntersectionType"] = 164] = "IntersectionType"; - SyntaxKind[SyntaxKind["ParenthesizedType"] = 165] = "ParenthesizedType"; - SyntaxKind[SyntaxKind["ThisType"] = 166] = "ThisType"; - SyntaxKind[SyntaxKind["LiteralType"] = 167] = "LiteralType"; - SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 168] = "ObjectBindingPattern"; - SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 169] = "ArrayBindingPattern"; - SyntaxKind[SyntaxKind["BindingElement"] = 170] = "BindingElement"; - SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 171] = "ArrayLiteralExpression"; - SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 172] = "ObjectLiteralExpression"; - SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 173] = "PropertyAccessExpression"; - SyntaxKind[SyntaxKind["ElementAccessExpression"] = 174] = "ElementAccessExpression"; - SyntaxKind[SyntaxKind["CallExpression"] = 175] = "CallExpression"; - SyntaxKind[SyntaxKind["NewExpression"] = 176] = "NewExpression"; - SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 177] = "TaggedTemplateExpression"; - SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 178] = "TypeAssertionExpression"; - SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 179] = "ParenthesizedExpression"; - SyntaxKind[SyntaxKind["FunctionExpression"] = 180] = "FunctionExpression"; - SyntaxKind[SyntaxKind["ArrowFunction"] = 181] = "ArrowFunction"; - SyntaxKind[SyntaxKind["DeleteExpression"] = 182] = "DeleteExpression"; - SyntaxKind[SyntaxKind["TypeOfExpression"] = 183] = "TypeOfExpression"; - SyntaxKind[SyntaxKind["VoidExpression"] = 184] = "VoidExpression"; - SyntaxKind[SyntaxKind["AwaitExpression"] = 185] = "AwaitExpression"; - SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 186] = "PrefixUnaryExpression"; - SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 187] = "PostfixUnaryExpression"; - SyntaxKind[SyntaxKind["BinaryExpression"] = 188] = "BinaryExpression"; - SyntaxKind[SyntaxKind["ConditionalExpression"] = 189] = "ConditionalExpression"; - SyntaxKind[SyntaxKind["TemplateExpression"] = 190] = "TemplateExpression"; - SyntaxKind[SyntaxKind["YieldExpression"] = 191] = "YieldExpression"; - SyntaxKind[SyntaxKind["SpreadElementExpression"] = 192] = "SpreadElementExpression"; - SyntaxKind[SyntaxKind["ClassExpression"] = 193] = "ClassExpression"; - SyntaxKind[SyntaxKind["OmittedExpression"] = 194] = "OmittedExpression"; - SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 195] = "ExpressionWithTypeArguments"; - SyntaxKind[SyntaxKind["AsExpression"] = 196] = "AsExpression"; - SyntaxKind[SyntaxKind["NonNullExpression"] = 197] = "NonNullExpression"; - SyntaxKind[SyntaxKind["TemplateSpan"] = 198] = "TemplateSpan"; - SyntaxKind[SyntaxKind["SemicolonClassElement"] = 199] = "SemicolonClassElement"; - SyntaxKind[SyntaxKind["Block"] = 200] = "Block"; - SyntaxKind[SyntaxKind["VariableStatement"] = 201] = "VariableStatement"; - SyntaxKind[SyntaxKind["EmptyStatement"] = 202] = "EmptyStatement"; - SyntaxKind[SyntaxKind["ExpressionStatement"] = 203] = "ExpressionStatement"; - SyntaxKind[SyntaxKind["IfStatement"] = 204] = "IfStatement"; - SyntaxKind[SyntaxKind["DoStatement"] = 205] = "DoStatement"; - SyntaxKind[SyntaxKind["WhileStatement"] = 206] = "WhileStatement"; - SyntaxKind[SyntaxKind["ForStatement"] = 207] = "ForStatement"; - SyntaxKind[SyntaxKind["ForInStatement"] = 208] = "ForInStatement"; - SyntaxKind[SyntaxKind["ForOfStatement"] = 209] = "ForOfStatement"; - SyntaxKind[SyntaxKind["ContinueStatement"] = 210] = "ContinueStatement"; - SyntaxKind[SyntaxKind["BreakStatement"] = 211] = "BreakStatement"; - SyntaxKind[SyntaxKind["ReturnStatement"] = 212] = "ReturnStatement"; - SyntaxKind[SyntaxKind["WithStatement"] = 213] = "WithStatement"; - SyntaxKind[SyntaxKind["SwitchStatement"] = 214] = "SwitchStatement"; - SyntaxKind[SyntaxKind["LabeledStatement"] = 215] = "LabeledStatement"; - SyntaxKind[SyntaxKind["ThrowStatement"] = 216] = "ThrowStatement"; - SyntaxKind[SyntaxKind["TryStatement"] = 217] = "TryStatement"; - SyntaxKind[SyntaxKind["DebuggerStatement"] = 218] = "DebuggerStatement"; - SyntaxKind[SyntaxKind["VariableDeclaration"] = 219] = "VariableDeclaration"; - SyntaxKind[SyntaxKind["VariableDeclarationList"] = 220] = "VariableDeclarationList"; - SyntaxKind[SyntaxKind["FunctionDeclaration"] = 221] = "FunctionDeclaration"; - SyntaxKind[SyntaxKind["ClassDeclaration"] = 222] = "ClassDeclaration"; - SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 223] = "InterfaceDeclaration"; - SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 224] = "TypeAliasDeclaration"; - SyntaxKind[SyntaxKind["EnumDeclaration"] = 225] = "EnumDeclaration"; - SyntaxKind[SyntaxKind["ModuleDeclaration"] = 226] = "ModuleDeclaration"; - SyntaxKind[SyntaxKind["ModuleBlock"] = 227] = "ModuleBlock"; - SyntaxKind[SyntaxKind["CaseBlock"] = 228] = "CaseBlock"; - SyntaxKind[SyntaxKind["NamespaceExportDeclaration"] = 229] = "NamespaceExportDeclaration"; - SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 230] = "ImportEqualsDeclaration"; - SyntaxKind[SyntaxKind["ImportDeclaration"] = 231] = "ImportDeclaration"; - SyntaxKind[SyntaxKind["ImportClause"] = 232] = "ImportClause"; - SyntaxKind[SyntaxKind["NamespaceImport"] = 233] = "NamespaceImport"; - SyntaxKind[SyntaxKind["NamedImports"] = 234] = "NamedImports"; - SyntaxKind[SyntaxKind["ImportSpecifier"] = 235] = "ImportSpecifier"; - SyntaxKind[SyntaxKind["ExportAssignment"] = 236] = "ExportAssignment"; - SyntaxKind[SyntaxKind["ExportDeclaration"] = 237] = "ExportDeclaration"; - SyntaxKind[SyntaxKind["NamedExports"] = 238] = "NamedExports"; - SyntaxKind[SyntaxKind["ExportSpecifier"] = 239] = "ExportSpecifier"; - SyntaxKind[SyntaxKind["MissingDeclaration"] = 240] = "MissingDeclaration"; - SyntaxKind[SyntaxKind["ExternalModuleReference"] = 241] = "ExternalModuleReference"; - SyntaxKind[SyntaxKind["JsxElement"] = 242] = "JsxElement"; - SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 243] = "JsxSelfClosingElement"; - SyntaxKind[SyntaxKind["JsxOpeningElement"] = 244] = "JsxOpeningElement"; - SyntaxKind[SyntaxKind["JsxClosingElement"] = 245] = "JsxClosingElement"; - SyntaxKind[SyntaxKind["JsxAttribute"] = 246] = "JsxAttribute"; - SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 247] = "JsxSpreadAttribute"; - SyntaxKind[SyntaxKind["JsxExpression"] = 248] = "JsxExpression"; - SyntaxKind[SyntaxKind["CaseClause"] = 249] = "CaseClause"; - SyntaxKind[SyntaxKind["DefaultClause"] = 250] = "DefaultClause"; - SyntaxKind[SyntaxKind["HeritageClause"] = 251] = "HeritageClause"; - SyntaxKind[SyntaxKind["CatchClause"] = 252] = "CatchClause"; - SyntaxKind[SyntaxKind["PropertyAssignment"] = 253] = "PropertyAssignment"; - SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 254] = "ShorthandPropertyAssignment"; - SyntaxKind[SyntaxKind["EnumMember"] = 255] = "EnumMember"; - SyntaxKind[SyntaxKind["SourceFile"] = 256] = "SourceFile"; - SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 257] = "JSDocTypeExpression"; - SyntaxKind[SyntaxKind["JSDocAllType"] = 258] = "JSDocAllType"; - SyntaxKind[SyntaxKind["JSDocUnknownType"] = 259] = "JSDocUnknownType"; - SyntaxKind[SyntaxKind["JSDocArrayType"] = 260] = "JSDocArrayType"; - SyntaxKind[SyntaxKind["JSDocUnionType"] = 261] = "JSDocUnionType"; - SyntaxKind[SyntaxKind["JSDocTupleType"] = 262] = "JSDocTupleType"; - SyntaxKind[SyntaxKind["JSDocNullableType"] = 263] = "JSDocNullableType"; - SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 264] = "JSDocNonNullableType"; - SyntaxKind[SyntaxKind["JSDocRecordType"] = 265] = "JSDocRecordType"; - SyntaxKind[SyntaxKind["JSDocRecordMember"] = 266] = "JSDocRecordMember"; - SyntaxKind[SyntaxKind["JSDocTypeReference"] = 267] = "JSDocTypeReference"; - SyntaxKind[SyntaxKind["JSDocOptionalType"] = 268] = "JSDocOptionalType"; - SyntaxKind[SyntaxKind["JSDocFunctionType"] = 269] = "JSDocFunctionType"; - SyntaxKind[SyntaxKind["JSDocVariadicType"] = 270] = "JSDocVariadicType"; - SyntaxKind[SyntaxKind["JSDocConstructorType"] = 271] = "JSDocConstructorType"; - SyntaxKind[SyntaxKind["JSDocThisType"] = 272] = "JSDocThisType"; - SyntaxKind[SyntaxKind["JSDocComment"] = 273] = "JSDocComment"; - SyntaxKind[SyntaxKind["JSDocTag"] = 274] = "JSDocTag"; - SyntaxKind[SyntaxKind["JSDocParameterTag"] = 275] = "JSDocParameterTag"; - SyntaxKind[SyntaxKind["JSDocReturnTag"] = 276] = "JSDocReturnTag"; - SyntaxKind[SyntaxKind["JSDocTypeTag"] = 277] = "JSDocTypeTag"; - SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 278] = "JSDocTemplateTag"; - SyntaxKind[SyntaxKind["JSDocTypedefTag"] = 279] = "JSDocTypedefTag"; - SyntaxKind[SyntaxKind["JSDocPropertyTag"] = 280] = "JSDocPropertyTag"; - SyntaxKind[SyntaxKind["JSDocTypeLiteral"] = 281] = "JSDocTypeLiteral"; - SyntaxKind[SyntaxKind["JSDocLiteralType"] = 282] = "JSDocLiteralType"; - SyntaxKind[SyntaxKind["JSDocNullKeyword"] = 283] = "JSDocNullKeyword"; - SyntaxKind[SyntaxKind["JSDocUndefinedKeyword"] = 284] = "JSDocUndefinedKeyword"; - SyntaxKind[SyntaxKind["JSDocNeverKeyword"] = 285] = "JSDocNeverKeyword"; - SyntaxKind[SyntaxKind["SyntaxList"] = 286] = "SyntaxList"; - SyntaxKind[SyntaxKind["NotEmittedStatement"] = 287] = "NotEmittedStatement"; - SyntaxKind[SyntaxKind["PartiallyEmittedExpression"] = 288] = "PartiallyEmittedExpression"; - SyntaxKind[SyntaxKind["Count"] = 289] = "Count"; - SyntaxKind[SyntaxKind["FirstAssignment"] = 57] = "FirstAssignment"; - SyntaxKind[SyntaxKind["LastAssignment"] = 69] = "LastAssignment"; - SyntaxKind[SyntaxKind["FirstCompoundAssignment"] = 58] = "FirstCompoundAssignment"; - SyntaxKind[SyntaxKind["LastCompoundAssignment"] = 69] = "LastCompoundAssignment"; - SyntaxKind[SyntaxKind["FirstReservedWord"] = 71] = "FirstReservedWord"; - SyntaxKind[SyntaxKind["LastReservedWord"] = 106] = "LastReservedWord"; - SyntaxKind[SyntaxKind["FirstKeyword"] = 71] = "FirstKeyword"; - SyntaxKind[SyntaxKind["LastKeyword"] = 139] = "LastKeyword"; - SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 107] = "FirstFutureReservedWord"; - SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 115] = "LastFutureReservedWord"; - SyntaxKind[SyntaxKind["FirstTypeNode"] = 155] = "FirstTypeNode"; - SyntaxKind[SyntaxKind["LastTypeNode"] = 167] = "LastTypeNode"; - SyntaxKind[SyntaxKind["FirstPunctuation"] = 16] = "FirstPunctuation"; - SyntaxKind[SyntaxKind["LastPunctuation"] = 69] = "LastPunctuation"; - SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; - SyntaxKind[SyntaxKind["LastToken"] = 139] = "LastToken"; - SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; - SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; - SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; - SyntaxKind[SyntaxKind["LastLiteralToken"] = 12] = "LastLiteralToken"; - SyntaxKind[SyntaxKind["FirstTemplateToken"] = 12] = "FirstTemplateToken"; - SyntaxKind[SyntaxKind["LastTemplateToken"] = 15] = "LastTemplateToken"; - SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 26] = "FirstBinaryOperator"; - SyntaxKind[SyntaxKind["LastBinaryOperator"] = 69] = "LastBinaryOperator"; - SyntaxKind[SyntaxKind["FirstNode"] = 140] = "FirstNode"; - SyntaxKind[SyntaxKind["FirstJSDocNode"] = 257] = "FirstJSDocNode"; - SyntaxKind[SyntaxKind["LastJSDocNode"] = 282] = "LastJSDocNode"; - SyntaxKind[SyntaxKind["FirstJSDocTagNode"] = 273] = "FirstJSDocTagNode"; - SyntaxKind[SyntaxKind["LastJSDocTagNode"] = 285] = "LastJSDocTagNode"; - })(ts.SyntaxKind || (ts.SyntaxKind = {})); - var SyntaxKind = ts.SyntaxKind; - (function (NodeFlags) { - NodeFlags[NodeFlags["None"] = 0] = "None"; - NodeFlags[NodeFlags["Let"] = 1] = "Let"; - NodeFlags[NodeFlags["Const"] = 2] = "Const"; - NodeFlags[NodeFlags["NestedNamespace"] = 4] = "NestedNamespace"; - NodeFlags[NodeFlags["Synthesized"] = 8] = "Synthesized"; - NodeFlags[NodeFlags["Namespace"] = 16] = "Namespace"; - NodeFlags[NodeFlags["ExportContext"] = 32] = "ExportContext"; - NodeFlags[NodeFlags["ContainsThis"] = 64] = "ContainsThis"; - NodeFlags[NodeFlags["HasImplicitReturn"] = 128] = "HasImplicitReturn"; - NodeFlags[NodeFlags["HasExplicitReturn"] = 256] = "HasExplicitReturn"; - NodeFlags[NodeFlags["GlobalAugmentation"] = 512] = "GlobalAugmentation"; - NodeFlags[NodeFlags["HasClassExtends"] = 1024] = "HasClassExtends"; - NodeFlags[NodeFlags["HasDecorators"] = 2048] = "HasDecorators"; - NodeFlags[NodeFlags["HasParamDecorators"] = 4096] = "HasParamDecorators"; - NodeFlags[NodeFlags["HasAsyncFunctions"] = 8192] = "HasAsyncFunctions"; - NodeFlags[NodeFlags["HasJsxSpreadAttributes"] = 16384] = "HasJsxSpreadAttributes"; - NodeFlags[NodeFlags["DisallowInContext"] = 32768] = "DisallowInContext"; - NodeFlags[NodeFlags["YieldContext"] = 65536] = "YieldContext"; - NodeFlags[NodeFlags["DecoratorContext"] = 131072] = "DecoratorContext"; - NodeFlags[NodeFlags["AwaitContext"] = 262144] = "AwaitContext"; - NodeFlags[NodeFlags["ThisNodeHasError"] = 524288] = "ThisNodeHasError"; - NodeFlags[NodeFlags["JavaScriptFile"] = 1048576] = "JavaScriptFile"; - NodeFlags[NodeFlags["ThisNodeOrAnySubNodesHasError"] = 2097152] = "ThisNodeOrAnySubNodesHasError"; - NodeFlags[NodeFlags["HasAggregatedChildData"] = 4194304] = "HasAggregatedChildData"; - NodeFlags[NodeFlags["BlockScoped"] = 3] = "BlockScoped"; - NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 384] = "ReachabilityCheckFlags"; - NodeFlags[NodeFlags["EmitHelperFlags"] = 31744] = "EmitHelperFlags"; - NodeFlags[NodeFlags["ReachabilityAndEmitFlags"] = 32128] = "ReachabilityAndEmitFlags"; - NodeFlags[NodeFlags["ContextFlags"] = 1540096] = "ContextFlags"; - NodeFlags[NodeFlags["TypeExcludesFlags"] = 327680] = "TypeExcludesFlags"; - })(ts.NodeFlags || (ts.NodeFlags = {})); - var NodeFlags = ts.NodeFlags; - (function (ModifierFlags) { - ModifierFlags[ModifierFlags["None"] = 0] = "None"; - ModifierFlags[ModifierFlags["Export"] = 1] = "Export"; - ModifierFlags[ModifierFlags["Ambient"] = 2] = "Ambient"; - ModifierFlags[ModifierFlags["Public"] = 4] = "Public"; - ModifierFlags[ModifierFlags["Private"] = 8] = "Private"; - ModifierFlags[ModifierFlags["Protected"] = 16] = "Protected"; - ModifierFlags[ModifierFlags["Static"] = 32] = "Static"; - ModifierFlags[ModifierFlags["Readonly"] = 64] = "Readonly"; - ModifierFlags[ModifierFlags["Abstract"] = 128] = "Abstract"; - ModifierFlags[ModifierFlags["Async"] = 256] = "Async"; - ModifierFlags[ModifierFlags["Default"] = 512] = "Default"; - ModifierFlags[ModifierFlags["Const"] = 2048] = "Const"; - ModifierFlags[ModifierFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - ModifierFlags[ModifierFlags["AccessibilityModifier"] = 28] = "AccessibilityModifier"; - ModifierFlags[ModifierFlags["ParameterPropertyModifier"] = 92] = "ParameterPropertyModifier"; - ModifierFlags[ModifierFlags["NonPublicAccessibilityModifier"] = 24] = "NonPublicAccessibilityModifier"; - ModifierFlags[ModifierFlags["TypeScriptModifier"] = 2270] = "TypeScriptModifier"; - })(ts.ModifierFlags || (ts.ModifierFlags = {})); - var ModifierFlags = ts.ModifierFlags; - (function (JsxFlags) { - JsxFlags[JsxFlags["None"] = 0] = "None"; - JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; - JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; - JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; - })(ts.JsxFlags || (ts.JsxFlags = {})); - var JsxFlags = ts.JsxFlags; - (function (RelationComparisonResult) { - RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; - RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; - RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; - })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); - var RelationComparisonResult = ts.RelationComparisonResult; - (function (GeneratedIdentifierKind) { - GeneratedIdentifierKind[GeneratedIdentifierKind["None"] = 0] = "None"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Auto"] = 1] = "Auto"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Loop"] = 2] = "Loop"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Unique"] = 3] = "Unique"; - GeneratedIdentifierKind[GeneratedIdentifierKind["Node"] = 4] = "Node"; - })(ts.GeneratedIdentifierKind || (ts.GeneratedIdentifierKind = {})); - var GeneratedIdentifierKind = ts.GeneratedIdentifierKind; - (function (FlowFlags) { - FlowFlags[FlowFlags["Unreachable"] = 1] = "Unreachable"; - FlowFlags[FlowFlags["Start"] = 2] = "Start"; - FlowFlags[FlowFlags["BranchLabel"] = 4] = "BranchLabel"; - FlowFlags[FlowFlags["LoopLabel"] = 8] = "LoopLabel"; - FlowFlags[FlowFlags["Assignment"] = 16] = "Assignment"; - FlowFlags[FlowFlags["TrueCondition"] = 32] = "TrueCondition"; - FlowFlags[FlowFlags["FalseCondition"] = 64] = "FalseCondition"; - FlowFlags[FlowFlags["SwitchClause"] = 128] = "SwitchClause"; - FlowFlags[FlowFlags["ArrayMutation"] = 256] = "ArrayMutation"; - FlowFlags[FlowFlags["Referenced"] = 512] = "Referenced"; - FlowFlags[FlowFlags["Shared"] = 1024] = "Shared"; - FlowFlags[FlowFlags["Label"] = 12] = "Label"; - FlowFlags[FlowFlags["Condition"] = 96] = "Condition"; - })(ts.FlowFlags || (ts.FlowFlags = {})); - var FlowFlags = ts.FlowFlags; var OperationCanceledException = (function () { function OperationCanceledException() { } @@ -444,38 +32,6 @@ var ts; ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; })(ts.ExitStatus || (ts.ExitStatus = {})); var ExitStatus = ts.ExitStatus; - (function (TypeFormatFlags) { - TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; - TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; - TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; - TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; - TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; - TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; - TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; - TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; - TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; - TypeFormatFlags[TypeFormatFlags["InFirstTypeArgument"] = 256] = "InFirstTypeArgument"; - TypeFormatFlags[TypeFormatFlags["InTypeAlias"] = 512] = "InTypeAlias"; - TypeFormatFlags[TypeFormatFlags["UseTypeAliasValue"] = 1024] = "UseTypeAliasValue"; - })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); - var TypeFormatFlags = ts.TypeFormatFlags; - (function (SymbolFormatFlags) { - SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; - SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; - SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; - })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); - var SymbolFormatFlags = ts.SymbolFormatFlags; - (function (SymbolAccessibility) { - SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; - SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; - SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; - })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); - var SymbolAccessibility = ts.SymbolAccessibility; - (function (TypePredicateKind) { - TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; - TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; - })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); - var TypePredicateKind = ts.TypePredicateKind; (function (TypeReferenceSerializationKind) { TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; @@ -490,166 +46,6 @@ var ts; TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 10] = "ObjectType"; })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (SymbolFlags) { - SymbolFlags[SymbolFlags["None"] = 0] = "None"; - SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; - SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; - SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; - SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; - SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; - SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; - SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; - SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; - SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; - SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; - SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; - SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; - SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; - SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; - SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; - SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; - SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; - SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; - SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; - SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; - SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; - SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; - SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; - SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; - SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; - SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; - SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; - SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; - SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; - SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; - SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; - SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; - SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; - SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; - SymbolFlags[SymbolFlags["Type"] = 793064] = "Type"; - SymbolFlags[SymbolFlags["Namespace"] = 1920] = "Namespace"; - SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; - SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; - SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; - SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; - SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; - SymbolFlags[SymbolFlags["PropertyExcludes"] = 0] = "PropertyExcludes"; - SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 900095] = "EnumMemberExcludes"; - SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; - SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; - SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792968] = "InterfaceExcludes"; - SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; - SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; - SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; - SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; - SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; - SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; - SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; - SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530920] = "TypeParameterExcludes"; - SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793064] = "TypeAliasExcludes"; - SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; - SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; - SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; - SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; - SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; - SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; - SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; - SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; - SymbolFlags[SymbolFlags["ClassMember"] = 106500] = "ClassMember"; - SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; - })(ts.SymbolFlags || (ts.SymbolFlags = {})); - var SymbolFlags = ts.SymbolFlags; - (function (NodeCheckFlags) { - NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; - NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; - NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; - NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; - NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; - NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; - NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; - NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; - NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; - NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; - NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; - NodeCheckFlags[NodeCheckFlags["AssignmentsMarked"] = 4194304] = "AssignmentsMarked"; - NodeCheckFlags[NodeCheckFlags["ClassWithConstructorReference"] = 8388608] = "ClassWithConstructorReference"; - NodeCheckFlags[NodeCheckFlags["ConstructorReferenceInClass"] = 16777216] = "ConstructorReferenceInClass"; - })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); - var NodeCheckFlags = ts.NodeCheckFlags; - (function (TypeFlags) { - TypeFlags[TypeFlags["Any"] = 1] = "Any"; - TypeFlags[TypeFlags["String"] = 2] = "String"; - TypeFlags[TypeFlags["Number"] = 4] = "Number"; - TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; - TypeFlags[TypeFlags["Enum"] = 16] = "Enum"; - TypeFlags[TypeFlags["StringLiteral"] = 32] = "StringLiteral"; - TypeFlags[TypeFlags["NumberLiteral"] = 64] = "NumberLiteral"; - TypeFlags[TypeFlags["BooleanLiteral"] = 128] = "BooleanLiteral"; - TypeFlags[TypeFlags["EnumLiteral"] = 256] = "EnumLiteral"; - TypeFlags[TypeFlags["ESSymbol"] = 512] = "ESSymbol"; - TypeFlags[TypeFlags["Void"] = 1024] = "Void"; - TypeFlags[TypeFlags["Undefined"] = 2048] = "Undefined"; - TypeFlags[TypeFlags["Null"] = 4096] = "Null"; - TypeFlags[TypeFlags["Never"] = 8192] = "Never"; - TypeFlags[TypeFlags["TypeParameter"] = 16384] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 32768] = "Class"; - TypeFlags[TypeFlags["Interface"] = 65536] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 131072] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 262144] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 524288] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 1048576] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 2097152] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 4194304] = "Instantiated"; - TypeFlags[TypeFlags["ObjectLiteral"] = 8388608] = "ObjectLiteral"; - TypeFlags[TypeFlags["FreshLiteral"] = 16777216] = "FreshLiteral"; - TypeFlags[TypeFlags["ContainsWideningType"] = 33554432] = "ContainsWideningType"; - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 67108864] = "ContainsObjectLiteral"; - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 134217728] = "ContainsAnyFunctionType"; - TypeFlags[TypeFlags["Nullable"] = 6144] = "Nullable"; - TypeFlags[TypeFlags["Literal"] = 480] = "Literal"; - TypeFlags[TypeFlags["StringOrNumberLiteral"] = 96] = "StringOrNumberLiteral"; - TypeFlags[TypeFlags["DefinitelyFalsy"] = 7392] = "DefinitelyFalsy"; - TypeFlags[TypeFlags["PossiblyFalsy"] = 7406] = "PossiblyFalsy"; - TypeFlags[TypeFlags["Intrinsic"] = 16015] = "Intrinsic"; - TypeFlags[TypeFlags["Primitive"] = 8190] = "Primitive"; - TypeFlags[TypeFlags["StringLike"] = 34] = "StringLike"; - TypeFlags[TypeFlags["NumberLike"] = 340] = "NumberLike"; - TypeFlags[TypeFlags["BooleanLike"] = 136] = "BooleanLike"; - TypeFlags[TypeFlags["EnumLike"] = 272] = "EnumLike"; - TypeFlags[TypeFlags["ObjectType"] = 2588672] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 1572864] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 4161536] = "StructuredType"; - TypeFlags[TypeFlags["StructuredOrTypeParameter"] = 4177920] = "StructuredOrTypeParameter"; - TypeFlags[TypeFlags["Narrowable"] = 4178943] = "Narrowable"; - TypeFlags[TypeFlags["NotUnionOrUnit"] = 2589185] = "NotUnionOrUnit"; - TypeFlags[TypeFlags["RequiresWidening"] = 100663296] = "RequiresWidening"; - TypeFlags[TypeFlags["PropagatingFlags"] = 234881024] = "PropagatingFlags"; - })(ts.TypeFlags || (ts.TypeFlags = {})); - var TypeFlags = ts.TypeFlags; - (function (SignatureKind) { - SignatureKind[SignatureKind["Call"] = 0] = "Call"; - SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; - })(ts.SignatureKind || (ts.SignatureKind = {})); - var SignatureKind = ts.SignatureKind; - (function (IndexKind) { - IndexKind[IndexKind["String"] = 0] = "String"; - IndexKind[IndexKind["Number"] = 1] = "Number"; - })(ts.IndexKind || (ts.IndexKind = {})); - var IndexKind = ts.IndexKind; - (function (SpecialPropertyAssignmentKind) { - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; - })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); - var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; (function (DiagnosticCategory) { DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; @@ -670,264 +66,6 @@ var ts; ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; })(ts.ModuleKind || (ts.ModuleKind = {})); var ModuleKind = ts.ModuleKind; - (function (JsxEmit) { - JsxEmit[JsxEmit["None"] = 0] = "None"; - JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; - JsxEmit[JsxEmit["React"] = 2] = "React"; - })(ts.JsxEmit || (ts.JsxEmit = {})); - var JsxEmit = ts.JsxEmit; - (function (NewLineKind) { - NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; - NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; - })(ts.NewLineKind || (ts.NewLineKind = {})); - var NewLineKind = ts.NewLineKind; - (function (ScriptKind) { - ScriptKind[ScriptKind["Unknown"] = 0] = "Unknown"; - ScriptKind[ScriptKind["JS"] = 1] = "JS"; - ScriptKind[ScriptKind["JSX"] = 2] = "JSX"; - ScriptKind[ScriptKind["TS"] = 3] = "TS"; - ScriptKind[ScriptKind["TSX"] = 4] = "TSX"; - })(ts.ScriptKind || (ts.ScriptKind = {})); - var ScriptKind = ts.ScriptKind; - (function (ScriptTarget) { - ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; - ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; - ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; - ScriptTarget[ScriptTarget["ES2016"] = 3] = "ES2016"; - ScriptTarget[ScriptTarget["ES2017"] = 4] = "ES2017"; - ScriptTarget[ScriptTarget["Latest"] = 4] = "Latest"; - })(ts.ScriptTarget || (ts.ScriptTarget = {})); - var ScriptTarget = ts.ScriptTarget; - (function (LanguageVariant) { - LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; - LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; - })(ts.LanguageVariant || (ts.LanguageVariant = {})); - var LanguageVariant = ts.LanguageVariant; - (function (DiagnosticStyle) { - DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; - DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; - })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); - var DiagnosticStyle = ts.DiagnosticStyle; - (function (WatchDirectoryFlags) { - WatchDirectoryFlags[WatchDirectoryFlags["None"] = 0] = "None"; - WatchDirectoryFlags[WatchDirectoryFlags["Recursive"] = 1] = "Recursive"; - })(ts.WatchDirectoryFlags || (ts.WatchDirectoryFlags = {})); - var WatchDirectoryFlags = ts.WatchDirectoryFlags; - (function (CharacterCodes) { - CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; - CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; - CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; - CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; - CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; - CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; - CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; - CharacterCodes[CharacterCodes["space"] = 32] = "space"; - CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; - CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; - CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; - CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; - CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; - CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; - CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; - CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; - CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; - CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; - CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; - CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; - CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; - CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; - CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; - CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; - CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; - CharacterCodes[CharacterCodes["_"] = 95] = "_"; - CharacterCodes[CharacterCodes["$"] = 36] = "$"; - CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; - CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; - CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; - CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; - CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; - CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; - CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; - CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; - CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; - CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; - CharacterCodes[CharacterCodes["a"] = 97] = "a"; - CharacterCodes[CharacterCodes["b"] = 98] = "b"; - CharacterCodes[CharacterCodes["c"] = 99] = "c"; - CharacterCodes[CharacterCodes["d"] = 100] = "d"; - CharacterCodes[CharacterCodes["e"] = 101] = "e"; - CharacterCodes[CharacterCodes["f"] = 102] = "f"; - CharacterCodes[CharacterCodes["g"] = 103] = "g"; - CharacterCodes[CharacterCodes["h"] = 104] = "h"; - CharacterCodes[CharacterCodes["i"] = 105] = "i"; - CharacterCodes[CharacterCodes["j"] = 106] = "j"; - CharacterCodes[CharacterCodes["k"] = 107] = "k"; - CharacterCodes[CharacterCodes["l"] = 108] = "l"; - CharacterCodes[CharacterCodes["m"] = 109] = "m"; - CharacterCodes[CharacterCodes["n"] = 110] = "n"; - CharacterCodes[CharacterCodes["o"] = 111] = "o"; - CharacterCodes[CharacterCodes["p"] = 112] = "p"; - CharacterCodes[CharacterCodes["q"] = 113] = "q"; - CharacterCodes[CharacterCodes["r"] = 114] = "r"; - CharacterCodes[CharacterCodes["s"] = 115] = "s"; - CharacterCodes[CharacterCodes["t"] = 116] = "t"; - CharacterCodes[CharacterCodes["u"] = 117] = "u"; - CharacterCodes[CharacterCodes["v"] = 118] = "v"; - CharacterCodes[CharacterCodes["w"] = 119] = "w"; - CharacterCodes[CharacterCodes["x"] = 120] = "x"; - CharacterCodes[CharacterCodes["y"] = 121] = "y"; - CharacterCodes[CharacterCodes["z"] = 122] = "z"; - CharacterCodes[CharacterCodes["A"] = 65] = "A"; - CharacterCodes[CharacterCodes["B"] = 66] = "B"; - CharacterCodes[CharacterCodes["C"] = 67] = "C"; - CharacterCodes[CharacterCodes["D"] = 68] = "D"; - CharacterCodes[CharacterCodes["E"] = 69] = "E"; - CharacterCodes[CharacterCodes["F"] = 70] = "F"; - CharacterCodes[CharacterCodes["G"] = 71] = "G"; - CharacterCodes[CharacterCodes["H"] = 72] = "H"; - CharacterCodes[CharacterCodes["I"] = 73] = "I"; - CharacterCodes[CharacterCodes["J"] = 74] = "J"; - CharacterCodes[CharacterCodes["K"] = 75] = "K"; - CharacterCodes[CharacterCodes["L"] = 76] = "L"; - CharacterCodes[CharacterCodes["M"] = 77] = "M"; - CharacterCodes[CharacterCodes["N"] = 78] = "N"; - CharacterCodes[CharacterCodes["O"] = 79] = "O"; - CharacterCodes[CharacterCodes["P"] = 80] = "P"; - CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; - CharacterCodes[CharacterCodes["R"] = 82] = "R"; - CharacterCodes[CharacterCodes["S"] = 83] = "S"; - CharacterCodes[CharacterCodes["T"] = 84] = "T"; - CharacterCodes[CharacterCodes["U"] = 85] = "U"; - CharacterCodes[CharacterCodes["V"] = 86] = "V"; - CharacterCodes[CharacterCodes["W"] = 87] = "W"; - CharacterCodes[CharacterCodes["X"] = 88] = "X"; - CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; - CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; - CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; - CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; - CharacterCodes[CharacterCodes["at"] = 64] = "at"; - CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; - CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; - CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; - CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; - CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; - CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; - CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; - CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; - CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; - CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; - CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; - CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; - CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; - CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; - CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; - CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; - CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; - CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; - CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; - CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; - CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; - CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; - CharacterCodes[CharacterCodes["question"] = 63] = "question"; - CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; - CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; - CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; - CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; - CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; - CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; - CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; - CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; - CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; - })(ts.CharacterCodes || (ts.CharacterCodes = {})); - var CharacterCodes = ts.CharacterCodes; - (function (TransformFlags) { - TransformFlags[TransformFlags["None"] = 0] = "None"; - TransformFlags[TransformFlags["TypeScript"] = 1] = "TypeScript"; - TransformFlags[TransformFlags["ContainsTypeScript"] = 2] = "ContainsTypeScript"; - TransformFlags[TransformFlags["Jsx"] = 4] = "Jsx"; - TransformFlags[TransformFlags["ContainsJsx"] = 8] = "ContainsJsx"; - TransformFlags[TransformFlags["ES2017"] = 16] = "ES2017"; - TransformFlags[TransformFlags["ContainsES2017"] = 32] = "ContainsES2017"; - TransformFlags[TransformFlags["ES2016"] = 64] = "ES2016"; - TransformFlags[TransformFlags["ContainsES2016"] = 128] = "ContainsES2016"; - TransformFlags[TransformFlags["ES2015"] = 256] = "ES2015"; - TransformFlags[TransformFlags["ContainsES2015"] = 512] = "ContainsES2015"; - TransformFlags[TransformFlags["DestructuringAssignment"] = 1024] = "DestructuringAssignment"; - TransformFlags[TransformFlags["Generator"] = 2048] = "Generator"; - TransformFlags[TransformFlags["ContainsGenerator"] = 4096] = "ContainsGenerator"; - TransformFlags[TransformFlags["ContainsDecorators"] = 8192] = "ContainsDecorators"; - TransformFlags[TransformFlags["ContainsPropertyInitializer"] = 16384] = "ContainsPropertyInitializer"; - TransformFlags[TransformFlags["ContainsLexicalThis"] = 32768] = "ContainsLexicalThis"; - TransformFlags[TransformFlags["ContainsCapturedLexicalThis"] = 65536] = "ContainsCapturedLexicalThis"; - TransformFlags[TransformFlags["ContainsLexicalThisInComputedPropertyName"] = 131072] = "ContainsLexicalThisInComputedPropertyName"; - TransformFlags[TransformFlags["ContainsDefaultValueAssignments"] = 262144] = "ContainsDefaultValueAssignments"; - TransformFlags[TransformFlags["ContainsParameterPropertyAssignments"] = 524288] = "ContainsParameterPropertyAssignments"; - TransformFlags[TransformFlags["ContainsSpreadElementExpression"] = 1048576] = "ContainsSpreadElementExpression"; - TransformFlags[TransformFlags["ContainsComputedPropertyName"] = 2097152] = "ContainsComputedPropertyName"; - TransformFlags[TransformFlags["ContainsBlockScopedBinding"] = 4194304] = "ContainsBlockScopedBinding"; - TransformFlags[TransformFlags["ContainsBindingPattern"] = 8388608] = "ContainsBindingPattern"; - TransformFlags[TransformFlags["ContainsYield"] = 16777216] = "ContainsYield"; - TransformFlags[TransformFlags["ContainsHoistedDeclarationOrCompletion"] = 33554432] = "ContainsHoistedDeclarationOrCompletion"; - TransformFlags[TransformFlags["HasComputedFlags"] = 536870912] = "HasComputedFlags"; - TransformFlags[TransformFlags["AssertTypeScript"] = 3] = "AssertTypeScript"; - TransformFlags[TransformFlags["AssertJsx"] = 12] = "AssertJsx"; - TransformFlags[TransformFlags["AssertES2017"] = 48] = "AssertES2017"; - TransformFlags[TransformFlags["AssertES2016"] = 192] = "AssertES2016"; - TransformFlags[TransformFlags["AssertES2015"] = 768] = "AssertES2015"; - TransformFlags[TransformFlags["AssertGenerator"] = 6144] = "AssertGenerator"; - TransformFlags[TransformFlags["NodeExcludes"] = 536874325] = "NodeExcludes"; - TransformFlags[TransformFlags["ArrowFunctionExcludes"] = 592227669] = "ArrowFunctionExcludes"; - TransformFlags[TransformFlags["FunctionExcludes"] = 592293205] = "FunctionExcludes"; - TransformFlags[TransformFlags["ConstructorExcludes"] = 591760725] = "ConstructorExcludes"; - TransformFlags[TransformFlags["MethodOrAccessorExcludes"] = 591760725] = "MethodOrAccessorExcludes"; - TransformFlags[TransformFlags["ClassExcludes"] = 539749717] = "ClassExcludes"; - TransformFlags[TransformFlags["ModuleExcludes"] = 574729557] = "ModuleExcludes"; - TransformFlags[TransformFlags["TypeExcludes"] = -3] = "TypeExcludes"; - TransformFlags[TransformFlags["ObjectLiteralExcludes"] = 539110741] = "ObjectLiteralExcludes"; - TransformFlags[TransformFlags["ArrayLiteralOrCallOrNewExcludes"] = 537922901] = "ArrayLiteralOrCallOrNewExcludes"; - TransformFlags[TransformFlags["VariableDeclarationListExcludes"] = 545262933] = "VariableDeclarationListExcludes"; - TransformFlags[TransformFlags["ParameterExcludes"] = 545262933] = "ParameterExcludes"; - TransformFlags[TransformFlags["TypeScriptClassSyntaxMask"] = 548864] = "TypeScriptClassSyntaxMask"; - TransformFlags[TransformFlags["ES2015FunctionSyntaxMask"] = 327680] = "ES2015FunctionSyntaxMask"; - })(ts.TransformFlags || (ts.TransformFlags = {})); - var TransformFlags = ts.TransformFlags; - (function (EmitFlags) { - EmitFlags[EmitFlags["EmitEmitHelpers"] = 1] = "EmitEmitHelpers"; - EmitFlags[EmitFlags["EmitExportStar"] = 2] = "EmitExportStar"; - EmitFlags[EmitFlags["EmitSuperHelper"] = 4] = "EmitSuperHelper"; - EmitFlags[EmitFlags["EmitAdvancedSuperHelper"] = 8] = "EmitAdvancedSuperHelper"; - EmitFlags[EmitFlags["UMDDefine"] = 16] = "UMDDefine"; - EmitFlags[EmitFlags["SingleLine"] = 32] = "SingleLine"; - EmitFlags[EmitFlags["AdviseOnEmitNode"] = 64] = "AdviseOnEmitNode"; - EmitFlags[EmitFlags["NoSubstitution"] = 128] = "NoSubstitution"; - EmitFlags[EmitFlags["CapturesThis"] = 256] = "CapturesThis"; - EmitFlags[EmitFlags["NoLeadingSourceMap"] = 512] = "NoLeadingSourceMap"; - EmitFlags[EmitFlags["NoTrailingSourceMap"] = 1024] = "NoTrailingSourceMap"; - EmitFlags[EmitFlags["NoSourceMap"] = 1536] = "NoSourceMap"; - EmitFlags[EmitFlags["NoNestedSourceMaps"] = 2048] = "NoNestedSourceMaps"; - EmitFlags[EmitFlags["NoTokenLeadingSourceMaps"] = 4096] = "NoTokenLeadingSourceMaps"; - EmitFlags[EmitFlags["NoTokenTrailingSourceMaps"] = 8192] = "NoTokenTrailingSourceMaps"; - EmitFlags[EmitFlags["NoTokenSourceMaps"] = 12288] = "NoTokenSourceMaps"; - EmitFlags[EmitFlags["NoLeadingComments"] = 16384] = "NoLeadingComments"; - EmitFlags[EmitFlags["NoTrailingComments"] = 32768] = "NoTrailingComments"; - EmitFlags[EmitFlags["NoComments"] = 49152] = "NoComments"; - EmitFlags[EmitFlags["NoNestedComments"] = 65536] = "NoNestedComments"; - EmitFlags[EmitFlags["ExportName"] = 131072] = "ExportName"; - EmitFlags[EmitFlags["LocalName"] = 262144] = "LocalName"; - EmitFlags[EmitFlags["Indented"] = 524288] = "Indented"; - EmitFlags[EmitFlags["NoIndentation"] = 1048576] = "NoIndentation"; - EmitFlags[EmitFlags["AsyncFunctionBody"] = 2097152] = "AsyncFunctionBody"; - EmitFlags[EmitFlags["ReuseTempVariableScope"] = 4194304] = "ReuseTempVariableScope"; - EmitFlags[EmitFlags["CustomPrologue"] = 8388608] = "CustomPrologue"; - })(ts.EmitFlags || (ts.EmitFlags = {})); - var EmitFlags = ts.EmitFlags; - (function (EmitContext) { - EmitContext[EmitContext["SourceFile"] = 0] = "SourceFile"; - EmitContext[EmitContext["Expression"] = 1] = "Expression"; - EmitContext[EmitContext["IdentifierName"] = 2] = "IdentifierName"; - EmitContext[EmitContext["Unspecified"] = 3] = "Unspecified"; - })(ts.EmitContext || (ts.EmitContext = {})); - var EmitContext = ts.EmitContext; })(ts || (ts = {})); var ts; (function (ts) { @@ -990,12 +128,6 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - (function (Ternary) { - Ternary[Ternary["False"] = 0] = "False"; - Ternary[Ternary["Maybe"] = 1] = "Maybe"; - Ternary[Ternary["True"] = -1] = "True"; - })(ts.Ternary || (ts.Ternary = {})); - var Ternary = ts.Ternary; var createObject = Object.create; ts.collator = typeof Intl === "object" && typeof Intl.Collator === "function" ? new Intl.Collator() : undefined; function createMap(template) { @@ -1060,12 +192,6 @@ var ts; return getCanonicalFileName(nonCanonicalizedPath); } ts.toPath = toPath; - (function (Comparison) { - Comparison[Comparison["LessThan"] = -1] = "LessThan"; - Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; - Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; - })(ts.Comparison || (ts.Comparison = {})); - var Comparison = ts.Comparison; function forEach(array, callback) { if (array) { for (var i = 0, len = array.length; i < len; i++) { @@ -1373,6 +499,41 @@ var ts; return result; } ts.deduplicate = deduplicate; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function changesAffectModuleResolution(oldOptions, newOptions) { + return !oldOptions || + (oldOptions.module !== newOptions.module) || + (oldOptions.moduleResolution !== newOptions.moduleResolution) || + (oldOptions.noResolve !== newOptions.noResolve) || + (oldOptions.target !== newOptions.target) || + (oldOptions.noLib !== newOptions.noLib) || + (oldOptions.jsx !== newOptions.jsx) || + (oldOptions.allowJs !== newOptions.allowJs) || + (oldOptions.rootDir !== newOptions.rootDir) || + (oldOptions.configFilePath !== newOptions.configFilePath) || + (oldOptions.baseUrl !== newOptions.baseUrl) || + (oldOptions.maxNodeModuleJsDepth !== newOptions.maxNodeModuleJsDepth) || + !arrayIsEqualTo(oldOptions.lib, newOptions.lib) || + !arrayIsEqualTo(oldOptions.typeRoots, newOptions.typeRoots) || + !arrayIsEqualTo(oldOptions.rootDirs, newOptions.rootDirs) || + !equalOwnProperties(oldOptions.paths, newOptions.paths); + } + ts.changesAffectModuleResolution = changesAffectModuleResolution; function compact(array) { var result; if (array) { @@ -1445,6 +606,12 @@ var ts; : undefined; } ts.lastOrUndefined = lastOrUndefined; + function replaceElement(array, index, value) { + var result = array.slice(0); + result[index] = value; + return result; + } + ts.replaceElement = replaceElement; function binarySearch(array, value, comparer) { if (!array || array.length === 0) { return -1; @@ -1683,6 +850,12 @@ var ts; return Array.isArray ? Array.isArray(value) : value instanceof Array; } ts.isArray = isArray; + function noop() { } + ts.noop = noop; + function notImplemented() { + throw new Error("Not implemented"); + } + ts.notImplemented = notImplemented; function memoize(callback) { var value; return function () { @@ -2413,14 +1586,6 @@ var ts; return false; } ts.isSupportedSourceFileName = isSupportedSourceFileName; - (function (ExtensionPriority) { - ExtensionPriority[ExtensionPriority["TypeScriptFiles"] = 0] = "TypeScriptFiles"; - ExtensionPriority[ExtensionPriority["DeclarationAndJavaScriptFiles"] = 2] = "DeclarationAndJavaScriptFiles"; - ExtensionPriority[ExtensionPriority["Limit"] = 5] = "Limit"; - ExtensionPriority[ExtensionPriority["Highest"] = 0] = "Highest"; - ExtensionPriority[ExtensionPriority["Lowest"] = 2] = "Lowest"; - })(ts.ExtensionPriority || (ts.ExtensionPriority = {})); - var ExtensionPriority = ts.ExtensionPriority; function getExtensionPriority(path, supportedExtensions) { for (var i = supportedExtensions.length - 1; i >= 0; i--) { if (fileExtensionIs(path, supportedExtensions[i])) { @@ -2509,13 +1674,6 @@ var ts; getTypeConstructor: function () { return Type; }, getSignatureConstructor: function () { return Signature; } }; - (function (AssertionLevel) { - AssertionLevel[AssertionLevel["None"] = 0] = "None"; - AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; - AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; - AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; - })(ts.AssertionLevel || (ts.AssertionLevel = {})); - var AssertionLevel = ts.AssertionLevel; var Debug; (function (Debug) { Debug.currentAssertionLevel = 0; @@ -2900,11 +2058,6 @@ var ts; function readDirectory(path, extensions, excludes, includes) { return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), getAccessibleFileSystemEntries); } - var FileSystemEntryKind; - (function (FileSystemEntryKind) { - FileSystemEntryKind[FileSystemEntryKind["File"] = 0] = "File"; - FileSystemEntryKind[FileSystemEntryKind["Directory"] = 1] = "Directory"; - })(FileSystemEntryKind || (FileSystemEntryKind = {})); function fileSystemEntryExists(path, entryKind) { try { var stat = _fs.statSync(path); @@ -3035,7 +2188,9 @@ var ts; } catch (e) { } - } + }, + setTimeout: setTimeout, + clearTimeout: clearTimeout }; return nodeSystem; } @@ -3263,7 +2418,6 @@ var ts; Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, @@ -3883,6 +3037,8 @@ var ts; Unknown_typing_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_typing_option_0_17010", message: "Unknown typing option '{0}'." }, Circularity_detected_while_resolving_configuration_Colon_0: { code: 18000, category: ts.DiagnosticCategory.Error, key: "Circularity_detected_while_resolving_configuration_Colon_0_18000", message: "Circularity detected while resolving configuration: {0}" }, The_path_in_an_extends_options_must_be_relative_or_rooted: { code: 18001, category: ts.DiagnosticCategory.Error, key: "The_path_in_an_extends_options_must_be_relative_or_rooted_18001", message: "The path in an 'extends' options must be relative or rooted." }, + The_files_list_in_config_file_0_is_empty: { code: 18002, category: ts.DiagnosticCategory.Error, key: "The_files_list_in_config_file_0_is_empty_18002", message: "The 'files' list in config file '{0}' is empty." }, + No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2: { code: 18003, category: ts.DiagnosticCategory.Error, key: "No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2_18003", message: "No inputs were found in config file '{0}'. Specified 'include' paths were '{1}' and 'exclude' paths were '{2}'." }, Add_missing_super_call: { code: 90001, category: ts.DiagnosticCategory.Message, key: "Add_missing_super_call_90001", message: "Add missing 'super()' call." }, Make_super_call_the_first_statement_in_the_constructor: { code: 90002, category: ts.DiagnosticCategory.Message, key: "Make_super_call_the_first_statement_in_the_constructor_90002", message: "Make 'super()' call the first statement in the constructor." }, Change_extends_to_implements: { code: 90003, category: ts.DiagnosticCategory.Message, key: "Change_extends_to_implements_90003", message: "Change 'extends' to 'implements'" }, @@ -5350,6 +4506,9 @@ var ts; case 44: pos++; return token = 25; + case 46: + pos++; + return token = 22; } if (isIdentifierStart(ch, 4)) { pos++; @@ -6000,7 +5159,11 @@ var ts; i++; break; case "boolean": - options[opt.name] = true; + var optValue = args[i]; + options[opt.name] = optValue !== "false"; + if (optValue === "false" || optValue === "true") { + i++; + } break; case "string": options[opt.name] = args[i] || ""; @@ -6259,6 +5422,9 @@ var ts; if (ts.hasProperty(json, "files")) { if (ts.isArray(json["files"])) { fileNames = json["files"]; + if (fileNames.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.The_files_list_in_config_file_0_is_empty, configFileName || "tsconfig.json")); + } } else { errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); @@ -6295,7 +5461,11 @@ var ts; if (fileNames === undefined && includeSpecs === undefined) { includeSpecs = ["**/*"]; } - return matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + var result = matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors); + if (result.fileNames.length === 0 && !ts.hasProperty(json, "files") && resolutionStack.length === 0) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, configFileName || "tsconfig.json", JSON.stringify(includeSpecs || []), JSON.stringify(excludeSpecs || []))); + } + return result; } var _b; } @@ -6532,7 +5702,16 @@ var ts; ; var safeList; var EmptySafeList = ts.createMap(); - function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions) { + JsTyping.nodeCoreModuleList = [ + "buffer", "querystring", "events", "http", "cluster", + "zlib", "os", "https", "punycode", "repl", "readline", + "vm", "child_process", "url", "dns", "net", + "dgram", "fs", "path", "string_decoder", "tls", + "crypto", "stream", "util", "assert", "tty", "domain", + "constants", "process", "v8", "timers", "console" + ]; + var nodeCoreModules = ts.arrayToMap(JsTyping.nodeCoreModuleList, function (x) { return x; }); + function discoverTypings(host, fileNames, projectRootPath, safeListPath, packageNameToTypingLocation, typingOptions, unresolvedImports) { var inferredTypings = ts.createMap(); if (!typingOptions || !typingOptions.enableAutoDiscovery) { return { cachedTypingPaths: [], newTypingNames: [], filesToWatch: [] }; @@ -6565,13 +5744,22 @@ var ts; getTypingNamesFromNodeModuleFolder(nodeModulesPath); } getTypingNamesFromSourceFileNames(fileNames); + if (unresolvedImports) { + for (var _a = 0, unresolvedImports_1 = unresolvedImports; _a < unresolvedImports_1.length; _a++) { + var moduleId = unresolvedImports_1[_a]; + var typingName = moduleId in nodeCoreModules ? "node" : moduleId; + if (!(typingName in inferredTypings)) { + inferredTypings[typingName] = undefined; + } + } + } for (var name_7 in packageNameToTypingLocation) { if (name_7 in inferredTypings && !inferredTypings[name_7]) { inferredTypings[name_7] = packageNameToTypingLocation[name_7]; } } - for (var _a = 0, exclude_1 = exclude; _a < exclude_1.length; _a++) { - var excludeTypingName = exclude_1[_a]; + for (var _b = 0, exclude_1 = exclude; _b < exclude_1.length; _b++) { + var excludeTypingName = exclude_1[_b]; delete inferredTypings[excludeTypingName]; } var newTypingNames = []; @@ -6597,10 +5785,12 @@ var ts; } } function getTypingNamesFromJson(jsonPath, filesToWatch) { + if (host.fileExists(jsonPath)) { + filesToWatch.push(jsonPath); + } var result = ts.readConfigFile(jsonPath, function (path) { return host.readFile(path); }); if (result.config) { var jsonConfig = result.config; - filesToWatch.push(jsonPath); if (jsonConfig.dependencies) { mergeTypings(ts.getOwnKeys(jsonConfig.dependencies)); } @@ -7227,7 +6417,7 @@ var ts; (function (typingsInstaller) { var nullLog = { isEnabled: function () { return false; }, - writeLine: function () { } + writeLine: ts.noop }; function typingToFileName(cachePath, packageName, installTypingHost) { var result = ts.resolveModuleName(packageName, ts.combinePaths(cachePath, "index.d.ts"), { moduleResolution: ts.ModuleResolutionKind.NodeJs }, installTypingHost); @@ -7236,15 +6426,18 @@ var ts; (function (PackageNameValidationResult) { PackageNameValidationResult[PackageNameValidationResult["Ok"] = 0] = "Ok"; PackageNameValidationResult[PackageNameValidationResult["ScopedPackagesNotSupported"] = 1] = "ScopedPackagesNotSupported"; - PackageNameValidationResult[PackageNameValidationResult["NameTooLong"] = 2] = "NameTooLong"; - PackageNameValidationResult[PackageNameValidationResult["NameStartsWithDot"] = 3] = "NameStartsWithDot"; - PackageNameValidationResult[PackageNameValidationResult["NameStartsWithUnderscore"] = 4] = "NameStartsWithUnderscore"; - PackageNameValidationResult[PackageNameValidationResult["NameContainsNonURISafeCharacters"] = 5] = "NameContainsNonURISafeCharacters"; + PackageNameValidationResult[PackageNameValidationResult["EmptyName"] = 2] = "EmptyName"; + PackageNameValidationResult[PackageNameValidationResult["NameTooLong"] = 3] = "NameTooLong"; + PackageNameValidationResult[PackageNameValidationResult["NameStartsWithDot"] = 4] = "NameStartsWithDot"; + PackageNameValidationResult[PackageNameValidationResult["NameStartsWithUnderscore"] = 5] = "NameStartsWithUnderscore"; + PackageNameValidationResult[PackageNameValidationResult["NameContainsNonURISafeCharacters"] = 6] = "NameContainsNonURISafeCharacters"; })(typingsInstaller.PackageNameValidationResult || (typingsInstaller.PackageNameValidationResult = {})); var PackageNameValidationResult = typingsInstaller.PackageNameValidationResult; typingsInstaller.MaxPackageNameLength = 214; function validatePackageName(packageName) { - ts.Debug.assert(!!packageName, "Package name is not specified"); + if (!packageName) { + return PackageNameValidationResult.EmptyName; + } if (packageName.length > typingsInstaller.MaxPackageNameLength) { return PackageNameValidationResult.NameTooLong; } @@ -7319,7 +6512,7 @@ var ts; } this.processCacheLocation(req.cachePath); } - var discoverTypingsResult = ts.JsTyping.discoverTypings(this.installTypingHost, req.fileNames, req.projectRootPath, this.safeListPath, this.packageNameToTypingLocation, req.typingOptions); + var discoverTypingsResult = ts.JsTyping.discoverTypings(this.installTypingHost, req.fileNames, req.projectRootPath, this.safeListPath, this.packageNameToTypingLocation, req.typingOptions, req.unresolvedImports); if (this.log.isEnabled()) { this.log.writeLine("Finished typings discovery: " + JSON.stringify(discoverTypingsResult)); } @@ -7402,6 +6595,9 @@ var ts; this.missingTypingsSet[typing] = true; if (this.log.isEnabled()) { switch (validationResult) { + case PackageNameValidationResult.EmptyName: + this.log.writeLine("Package name '" + typing + "' cannot be empty"); + break; case PackageNameValidationResult.NameTooLong: this.log.writeLine("Package name '" + typing + "' should be less than " + typingsInstaller.MaxPackageNameLength + " characters"); break; @@ -7537,8 +6733,10 @@ var ts; if (_this.log.isEnabled()) { _this.log.writeLine("Got FS notification for " + f + ", handler is already invoked '" + isInvoked + "'"); } - _this.sendResponse({ projectName: projectName, kind: "invalidate" }); - isInvoked = true; + if (!isInvoked) { + _this.sendResponse({ projectName: projectName, kind: "invalidate" }); + isInvoked = true; + } }); watchers.push(w); } @@ -7550,6 +6748,7 @@ var ts; typingOptions: request.typingOptions, compilerOptions: request.compilerOptions, typings: typings, + unresolvedImports: request.unresolvedImports, kind: "set" }; }; @@ -7719,5 +6918,3 @@ var ts; })(typingsInstaller = server.typingsInstaller || (server.typingsInstaller = {})); })(server = ts.server || (ts.server = {})); })(ts || (ts = {})); - -//# sourceMappingURL=typingsInstaller.js.map From e497d1ee075305bd17d4536eb289a9cf60ebb461 Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Thu, 27 Oct 2016 12:34:51 -0700 Subject: [PATCH 02/31] Update version --- package.json | 2 +- src/compiler/program.ts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/package.json b/package.json index 1f943f89788d6..48c6347110b5a 100644 --- a/package.json +++ b/package.json @@ -2,7 +2,7 @@ "name": "typescript", "author": "Microsoft Corp.", "homepage": "http://typescriptlang.org/", - "version": "2.1.0", + "version": "2.1.1", "license": "Apache-2.0", "description": "TypeScript is a language for application scale JavaScript development", "keywords": [ diff --git a/src/compiler/program.ts b/src/compiler/program.ts index 25e85d13dc9a8..d7e4a4c2701d1 100644 --- a/src/compiler/program.ts +++ b/src/compiler/program.ts @@ -5,7 +5,7 @@ namespace ts { /** The version of the TypeScript compiler release */ - export const version = "2.1.0"; + export const version = "2.1.1"; const emptyArray: any[] = []; From 515542b293d1b36e37205aa200d97cd3de5cd7c5 Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Thu, 27 Oct 2016 12:55:52 -0700 Subject: [PATCH 03/31] Update LKG --- lib/tsc.js | 2 +- lib/tsserver.js | 2 +- lib/tsserverlibrary.d.ts | 2 +- lib/tsserverlibrary.js | 2 +- lib/typescript.d.ts | 2 +- lib/typescript.js | 2 +- lib/typescriptServices.d.ts | 2 +- lib/typescriptServices.js | 2 +- 8 files changed, 8 insertions(+), 8 deletions(-) diff --git a/lib/tsc.js b/lib/tsc.js index 22c7f45034a0f..20052ec0c1e00 100644 --- a/lib/tsc.js +++ b/lib/tsc.js @@ -46817,7 +46817,7 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.0"; + ts.version = "2.1.1"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/tsserver.js b/lib/tsserver.js index bf19f2ab33603..7c2c7cb04620b 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -48322,7 +48322,7 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.0"; + ts.version = "2.1.1"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/tsserverlibrary.d.ts b/lib/tsserverlibrary.d.ts index bf51de311470a..5005e5831b70c 100644 --- a/lib/tsserverlibrary.d.ts +++ b/lib/tsserverlibrary.d.ts @@ -9304,7 +9304,7 @@ declare namespace ts { function emitFiles(resolver: EmitResolver, host: EmitHost, targetSourceFile: SourceFile, emitOnlyDtsFiles?: boolean): EmitResult; } declare namespace ts { - const version = "2.1.0"; + const version = "2.1.1"; function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; function resolveTripleslashReference(moduleName: string, containingFile: string): string; function computeCommonSourceDirectoryOfFilenames(fileNames: string[], currentDirectory: string, getCanonicalFileName: (fileName: string) => string): string; diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js index 5043367fa03ac..f2839ce045ee0 100644 --- a/lib/tsserverlibrary.js +++ b/lib/tsserverlibrary.js @@ -48322,7 +48322,7 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.0"; + ts.version = "2.1.1"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/typescript.d.ts b/lib/typescript.d.ts index 13ec671d21051..5d5cc6a96e5a1 100644 --- a/lib/typescript.d.ts +++ b/lib/typescript.d.ts @@ -2208,7 +2208,7 @@ declare namespace ts { } declare namespace ts { /** The version of the TypeScript compiler release */ - const version = "2.1.0"; + const version = "2.1.1"; function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; function resolveTripleslashReference(moduleName: string, containingFile: string): string; function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; diff --git a/lib/typescript.js b/lib/typescript.js index bf324bf210821..72bacf89f83c3 100644 --- a/lib/typescript.js +++ b/lib/typescript.js @@ -58836,7 +58836,7 @@ var ts; var ts; (function (ts) { /** The version of the TypeScript compiler release */ - ts.version = "2.1.0"; + ts.version = "2.1.1"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/typescriptServices.d.ts b/lib/typescriptServices.d.ts index a34ecfd108068..659e5d98359ae 100644 --- a/lib/typescriptServices.d.ts +++ b/lib/typescriptServices.d.ts @@ -2208,7 +2208,7 @@ declare namespace ts { } declare namespace ts { /** The version of the TypeScript compiler release */ - const version = "2.1.0"; + const version = "2.1.1"; function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; function resolveTripleslashReference(moduleName: string, containingFile: string): string; function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js index bf324bf210821..72bacf89f83c3 100644 --- a/lib/typescriptServices.js +++ b/lib/typescriptServices.js @@ -58836,7 +58836,7 @@ var ts; var ts; (function (ts) { /** The version of the TypeScript compiler release */ - ts.version = "2.1.0"; + ts.version = "2.1.1"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } From 1f4d8a1a72ee961cecd7499562308207282f5247 Mon Sep 17 00:00:00 2001 From: Nathan Shively-Sanders Date: Thu, 27 Oct 2016 14:41:40 -0700 Subject: [PATCH 04/31] Skip overloads with too-short function parameters If the parameter of an overload is a function and the argument is also a function, skip the overload if the parameter has fewer arguments than the argument does. That overload cannot possibly apply, and should not participate in, for example, contextual typing. Example: ```ts interface I { (a: number): void; (b: string, c): void; } declare function f(i: I): void; f((x, y) => {}); ``` This code now skips the first overload instead of considering. This was a longstanding bug but was only uncovered now that more functions expressions are context sensitive. --- src/compiler/checker.ts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 3c98513423af2..af7f9b7f7dae3 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -11884,6 +11884,11 @@ namespace ts { // If the effective argument type is 'undefined', there is no synthetic type // for the argument. In that case, we should check the argument. if (argType === undefined) { + // If the parameter and argument are both functions and the parameter has fewer arguments than the argument, + // then this signature is not applicable. Exit early. + if (!reportErrors && isAritySmaller(paramType, arg)) { + return false; + } argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); } @@ -11898,6 +11903,21 @@ namespace ts { return true; } + function isAritySmaller(sourceType: Type, target: Expression) { + if (isFunctionExpressionOrArrowFunction(target) && isFunctionType(sourceType)) { + let targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + const param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + const sourceSignatures = getSignaturesOfType(sourceType, SignatureKind.Call); + const sourceLengths = sourceSignatures.map(sig => !sig.hasRestParameter ? sig.parameters.length : Number.MAX_VALUE); + return forEach(sourceLengths, len => len < targetParameterCount); + } + } + /** * Returns the this argument in calls like x.f(...) and x[f](...). Undefined otherwise. */ From dfa3dd30fb30773c68452047c78bad1760d0c33a Mon Sep 17 00:00:00 2001 From: Nathan Shively-Sanders Date: Thu, 27 Oct 2016 14:44:54 -0700 Subject: [PATCH 05/31] Test skip overloads w/too-short function params 1. Update changed baseline. 2. Add a new test with baseline. --- .../contextualTypingOfTooShortOverloads.js | 59 ++++++++ ...ontextualTypingOfTooShortOverloads.symbols | 139 +++++++++++++++++ .../contextualTypingOfTooShortOverloads.types | 143 ++++++++++++++++++ ...AnnotatedFunctionInferenceError.errors.txt | 8 +- .../contextualTypingOfTooShortOverloads.ts | 49 ++++++ 5 files changed, 394 insertions(+), 4 deletions(-) create mode 100644 tests/baselines/reference/contextualTypingOfTooShortOverloads.js create mode 100644 tests/baselines/reference/contextualTypingOfTooShortOverloads.symbols create mode 100644 tests/baselines/reference/contextualTypingOfTooShortOverloads.types create mode 100644 tests/cases/compiler/contextualTypingOfTooShortOverloads.ts diff --git a/tests/baselines/reference/contextualTypingOfTooShortOverloads.js b/tests/baselines/reference/contextualTypingOfTooShortOverloads.js new file mode 100644 index 0000000000000..55f1361f5a857 --- /dev/null +++ b/tests/baselines/reference/contextualTypingOfTooShortOverloads.js @@ -0,0 +1,59 @@ +//// [contextualTypingOfTooShortOverloads.ts] +// small repro from #11875 +var use: Overload; +use((req, res) => {}); + +interface Overload { + (handler1: (req1: string) => void): void; + (handler2: (req2: number, res2: number) => void): void; +} +// larger repro from #11875 +let app: MyApp; +app.use((err: any, req, res, next) => { return; }); + + +interface MyApp { + use: IRouterHandler & IRouterMatcher; +} + +interface IRouterHandler { + (...handlers: RequestHandler[]): T; + (...handlers: RequestHandlerParams[]): T; +} + +interface IRouterMatcher { + (path: PathParams, ...handlers: RequestHandler[]): T; + (path: PathParams, ...handlers: RequestHandlerParams[]): T; +} + +type PathParams = string | RegExp | (string | RegExp)[]; +type RequestHandlerParams = RequestHandler | ErrorRequestHandler | (RequestHandler | ErrorRequestHandler)[]; + +interface RequestHandler { + (req: Request, res: Response, next: NextFunction): any; +} + +interface ErrorRequestHandler { + (err: any, req: Request, res: Response, next: NextFunction): any; +} + +interface Request { + method: string; +} + +interface Response { + statusCode: number; +} + +interface NextFunction { + (err?: any): void; +} + + +//// [contextualTypingOfTooShortOverloads.js] +// small repro from #11875 +var use; +use(function (req, res) { }); +// larger repro from #11875 +var app; +app.use(function (err, req, res, next) { return; }); diff --git a/tests/baselines/reference/contextualTypingOfTooShortOverloads.symbols b/tests/baselines/reference/contextualTypingOfTooShortOverloads.symbols new file mode 100644 index 0000000000000..8f196cf48252d --- /dev/null +++ b/tests/baselines/reference/contextualTypingOfTooShortOverloads.symbols @@ -0,0 +1,139 @@ +=== tests/cases/compiler/contextualTypingOfTooShortOverloads.ts === +// small repro from #11875 +var use: Overload; +>use : Symbol(use, Decl(contextualTypingOfTooShortOverloads.ts, 1, 3)) +>Overload : Symbol(Overload, Decl(contextualTypingOfTooShortOverloads.ts, 2, 22)) + +use((req, res) => {}); +>use : Symbol(use, Decl(contextualTypingOfTooShortOverloads.ts, 1, 3)) +>req : Symbol(req, Decl(contextualTypingOfTooShortOverloads.ts, 2, 5)) +>res : Symbol(res, Decl(contextualTypingOfTooShortOverloads.ts, 2, 9)) + +interface Overload { +>Overload : Symbol(Overload, Decl(contextualTypingOfTooShortOverloads.ts, 2, 22)) + + (handler1: (req1: string) => void): void; +>handler1 : Symbol(handler1, Decl(contextualTypingOfTooShortOverloads.ts, 5, 5)) +>req1 : Symbol(req1, Decl(contextualTypingOfTooShortOverloads.ts, 5, 16)) + + (handler2: (req2: number, res2: number) => void): void; +>handler2 : Symbol(handler2, Decl(contextualTypingOfTooShortOverloads.ts, 6, 5)) +>req2 : Symbol(req2, Decl(contextualTypingOfTooShortOverloads.ts, 6, 16)) +>res2 : Symbol(res2, Decl(contextualTypingOfTooShortOverloads.ts, 6, 29)) +} +// larger repro from #11875 +let app: MyApp; +>app : Symbol(app, Decl(contextualTypingOfTooShortOverloads.ts, 9, 3)) +>MyApp : Symbol(MyApp, Decl(contextualTypingOfTooShortOverloads.ts, 10, 51)) + +app.use((err: any, req, res, next) => { return; }); +>app.use : Symbol(MyApp.use, Decl(contextualTypingOfTooShortOverloads.ts, 13, 17)) +>app : Symbol(app, Decl(contextualTypingOfTooShortOverloads.ts, 9, 3)) +>use : Symbol(MyApp.use, Decl(contextualTypingOfTooShortOverloads.ts, 13, 17)) +>err : Symbol(err, Decl(contextualTypingOfTooShortOverloads.ts, 10, 9)) +>req : Symbol(req, Decl(contextualTypingOfTooShortOverloads.ts, 10, 18)) +>res : Symbol(res, Decl(contextualTypingOfTooShortOverloads.ts, 10, 23)) +>next : Symbol(next, Decl(contextualTypingOfTooShortOverloads.ts, 10, 28)) + + +interface MyApp { +>MyApp : Symbol(MyApp, Decl(contextualTypingOfTooShortOverloads.ts, 10, 51)) + + use: IRouterHandler & IRouterMatcher; +>use : Symbol(MyApp.use, Decl(contextualTypingOfTooShortOverloads.ts, 13, 17)) +>IRouterHandler : Symbol(IRouterHandler, Decl(contextualTypingOfTooShortOverloads.ts, 15, 1)) +>IRouterMatcher : Symbol(IRouterMatcher, Decl(contextualTypingOfTooShortOverloads.ts, 20, 1)) +} + +interface IRouterHandler { +>IRouterHandler : Symbol(IRouterHandler, Decl(contextualTypingOfTooShortOverloads.ts, 15, 1)) +>T : Symbol(T, Decl(contextualTypingOfTooShortOverloads.ts, 17, 25)) + + (...handlers: RequestHandler[]): T; +>handlers : Symbol(handlers, Decl(contextualTypingOfTooShortOverloads.ts, 18, 5)) +>RequestHandler : Symbol(RequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 28, 108)) +>T : Symbol(T, Decl(contextualTypingOfTooShortOverloads.ts, 17, 25)) + + (...handlers: RequestHandlerParams[]): T; +>handlers : Symbol(handlers, Decl(contextualTypingOfTooShortOverloads.ts, 19, 5)) +>RequestHandlerParams : Symbol(RequestHandlerParams, Decl(contextualTypingOfTooShortOverloads.ts, 27, 56)) +>T : Symbol(T, Decl(contextualTypingOfTooShortOverloads.ts, 17, 25)) +} + +interface IRouterMatcher { +>IRouterMatcher : Symbol(IRouterMatcher, Decl(contextualTypingOfTooShortOverloads.ts, 20, 1)) +>T : Symbol(T, Decl(contextualTypingOfTooShortOverloads.ts, 22, 25)) + + (path: PathParams, ...handlers: RequestHandler[]): T; +>path : Symbol(path, Decl(contextualTypingOfTooShortOverloads.ts, 23, 5)) +>PathParams : Symbol(PathParams, Decl(contextualTypingOfTooShortOverloads.ts, 25, 1)) +>handlers : Symbol(handlers, Decl(contextualTypingOfTooShortOverloads.ts, 23, 22)) +>RequestHandler : Symbol(RequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 28, 108)) +>T : Symbol(T, Decl(contextualTypingOfTooShortOverloads.ts, 22, 25)) + + (path: PathParams, ...handlers: RequestHandlerParams[]): T; +>path : Symbol(path, Decl(contextualTypingOfTooShortOverloads.ts, 24, 5)) +>PathParams : Symbol(PathParams, Decl(contextualTypingOfTooShortOverloads.ts, 25, 1)) +>handlers : Symbol(handlers, Decl(contextualTypingOfTooShortOverloads.ts, 24, 22)) +>RequestHandlerParams : Symbol(RequestHandlerParams, Decl(contextualTypingOfTooShortOverloads.ts, 27, 56)) +>T : Symbol(T, Decl(contextualTypingOfTooShortOverloads.ts, 22, 25)) +} + +type PathParams = string | RegExp | (string | RegExp)[]; +>PathParams : Symbol(PathParams, Decl(contextualTypingOfTooShortOverloads.ts, 25, 1)) +>RegExp : Symbol(RegExp, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --)) +>RegExp : Symbol(RegExp, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --)) + +type RequestHandlerParams = RequestHandler | ErrorRequestHandler | (RequestHandler | ErrorRequestHandler)[]; +>RequestHandlerParams : Symbol(RequestHandlerParams, Decl(contextualTypingOfTooShortOverloads.ts, 27, 56)) +>RequestHandler : Symbol(RequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 28, 108)) +>ErrorRequestHandler : Symbol(ErrorRequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 32, 1)) +>RequestHandler : Symbol(RequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 28, 108)) +>ErrorRequestHandler : Symbol(ErrorRequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 32, 1)) + +interface RequestHandler { +>RequestHandler : Symbol(RequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 28, 108)) + + (req: Request, res: Response, next: NextFunction): any; +>req : Symbol(req, Decl(contextualTypingOfTooShortOverloads.ts, 31, 5)) +>Request : Symbol(Request, Decl(contextualTypingOfTooShortOverloads.ts, 36, 1)) +>res : Symbol(res, Decl(contextualTypingOfTooShortOverloads.ts, 31, 18)) +>Response : Symbol(Response, Decl(contextualTypingOfTooShortOverloads.ts, 40, 1)) +>next : Symbol(next, Decl(contextualTypingOfTooShortOverloads.ts, 31, 33)) +>NextFunction : Symbol(NextFunction, Decl(contextualTypingOfTooShortOverloads.ts, 44, 1)) +} + +interface ErrorRequestHandler { +>ErrorRequestHandler : Symbol(ErrorRequestHandler, Decl(contextualTypingOfTooShortOverloads.ts, 32, 1)) + + (err: any, req: Request, res: Response, next: NextFunction): any; +>err : Symbol(err, Decl(contextualTypingOfTooShortOverloads.ts, 35, 5)) +>req : Symbol(req, Decl(contextualTypingOfTooShortOverloads.ts, 35, 14)) +>Request : Symbol(Request, Decl(contextualTypingOfTooShortOverloads.ts, 36, 1)) +>res : Symbol(res, Decl(contextualTypingOfTooShortOverloads.ts, 35, 28)) +>Response : Symbol(Response, Decl(contextualTypingOfTooShortOverloads.ts, 40, 1)) +>next : Symbol(next, Decl(contextualTypingOfTooShortOverloads.ts, 35, 43)) +>NextFunction : Symbol(NextFunction, Decl(contextualTypingOfTooShortOverloads.ts, 44, 1)) +} + +interface Request { +>Request : Symbol(Request, Decl(contextualTypingOfTooShortOverloads.ts, 36, 1)) + + method: string; +>method : Symbol(Request.method, Decl(contextualTypingOfTooShortOverloads.ts, 38, 19)) +} + +interface Response { +>Response : Symbol(Response, Decl(contextualTypingOfTooShortOverloads.ts, 40, 1)) + + statusCode: number; +>statusCode : Symbol(Response.statusCode, Decl(contextualTypingOfTooShortOverloads.ts, 42, 20)) +} + +interface NextFunction { +>NextFunction : Symbol(NextFunction, Decl(contextualTypingOfTooShortOverloads.ts, 44, 1)) + + (err?: any): void; +>err : Symbol(err, Decl(contextualTypingOfTooShortOverloads.ts, 47, 5)) +} + diff --git a/tests/baselines/reference/contextualTypingOfTooShortOverloads.types b/tests/baselines/reference/contextualTypingOfTooShortOverloads.types new file mode 100644 index 0000000000000..9e306da3e61ef --- /dev/null +++ b/tests/baselines/reference/contextualTypingOfTooShortOverloads.types @@ -0,0 +1,143 @@ +=== tests/cases/compiler/contextualTypingOfTooShortOverloads.ts === +// small repro from #11875 +var use: Overload; +>use : Overload +>Overload : Overload + +use((req, res) => {}); +>use((req, res) => {}) : void +>use : Overload +>(req, res) => {} : (req: number, res: number) => void +>req : number +>res : number + +interface Overload { +>Overload : Overload + + (handler1: (req1: string) => void): void; +>handler1 : (req1: string) => void +>req1 : string + + (handler2: (req2: number, res2: number) => void): void; +>handler2 : (req2: number, res2: number) => void +>req2 : number +>res2 : number +} +// larger repro from #11875 +let app: MyApp; +>app : MyApp +>MyApp : MyApp + +app.use((err: any, req, res, next) => { return; }); +>app.use((err: any, req, res, next) => { return; }) : MyApp +>app.use : IRouterHandler & IRouterMatcher +>app : MyApp +>use : IRouterHandler & IRouterMatcher +>(err: any, req, res, next) => { return; } : (err: any, req: any, res: any, next: any) => void +>err : any +>req : any +>res : any +>next : any + + +interface MyApp { +>MyApp : MyApp + + use: IRouterHandler & IRouterMatcher; +>use : IRouterHandler & IRouterMatcher +>IRouterHandler : IRouterHandler +>IRouterMatcher : IRouterMatcher +} + +interface IRouterHandler { +>IRouterHandler : IRouterHandler +>T : T + + (...handlers: RequestHandler[]): T; +>handlers : RequestHandler[] +>RequestHandler : RequestHandler +>T : T + + (...handlers: RequestHandlerParams[]): T; +>handlers : RequestHandlerParams[] +>RequestHandlerParams : RequestHandlerParams +>T : T +} + +interface IRouterMatcher { +>IRouterMatcher : IRouterMatcher +>T : T + + (path: PathParams, ...handlers: RequestHandler[]): T; +>path : PathParams +>PathParams : PathParams +>handlers : RequestHandler[] +>RequestHandler : RequestHandler +>T : T + + (path: PathParams, ...handlers: RequestHandlerParams[]): T; +>path : PathParams +>PathParams : PathParams +>handlers : RequestHandlerParams[] +>RequestHandlerParams : RequestHandlerParams +>T : T +} + +type PathParams = string | RegExp | (string | RegExp)[]; +>PathParams : PathParams +>RegExp : RegExp +>RegExp : RegExp + +type RequestHandlerParams = RequestHandler | ErrorRequestHandler | (RequestHandler | ErrorRequestHandler)[]; +>RequestHandlerParams : RequestHandlerParams +>RequestHandler : RequestHandler +>ErrorRequestHandler : ErrorRequestHandler +>RequestHandler : RequestHandler +>ErrorRequestHandler : ErrorRequestHandler + +interface RequestHandler { +>RequestHandler : RequestHandler + + (req: Request, res: Response, next: NextFunction): any; +>req : Request +>Request : Request +>res : Response +>Response : Response +>next : NextFunction +>NextFunction : NextFunction +} + +interface ErrorRequestHandler { +>ErrorRequestHandler : ErrorRequestHandler + + (err: any, req: Request, res: Response, next: NextFunction): any; +>err : any +>req : Request +>Request : Request +>res : Response +>Response : Response +>next : NextFunction +>NextFunction : NextFunction +} + +interface Request { +>Request : Request + + method: string; +>method : string +} + +interface Response { +>Response : Response + + statusCode: number; +>statusCode : number +} + +interface NextFunction { +>NextFunction : NextFunction + + (err?: any): void; +>err : any +} + diff --git a/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt b/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt index a9fc9b68cf899..d1e84494fa914 100644 --- a/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt +++ b/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt @@ -1,5 +1,5 @@ -tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(12,11): error TS2345: Argument of type '(t1: D, t2: D, t3: any) => void' is not assignable to parameter of type '(t: D, t1: D) => void'. -tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(13,11): error TS2345: Argument of type '(t1: D, t2: D, t3: any) => void' is not assignable to parameter of type '(t: D, t1: D) => void'. +tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(12,11): error TS2345: Argument of type '(t1: D, t2: C, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. +tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(13,11): error TS2345: Argument of type '(t1: C, t2: D, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(14,11): error TS2345: Argument of type '(t1: C, t2: C, t3: D) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. @@ -17,10 +17,10 @@ tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partial // more args testError((t1: D, t2, t3) => {}) ~~~~~~~~~~~~~~~~~~~~~ -!!! error TS2345: Argument of type '(t1: D, t2: D, t3: any) => void' is not assignable to parameter of type '(t: D, t1: D) => void'. +!!! error TS2345: Argument of type '(t1: D, t2: C, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. testError((t1, t2: D, t3) => {}) ~~~~~~~~~~~~~~~~~~~~~ -!!! error TS2345: Argument of type '(t1: D, t2: D, t3: any) => void' is not assignable to parameter of type '(t: D, t1: D) => void'. +!!! error TS2345: Argument of type '(t1: C, t2: D, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. testError((t1, t2, t3: D) => {}) ~~~~~~~~~~~~~~~~~~~~~ !!! error TS2345: Argument of type '(t1: C, t2: C, t3: D) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. diff --git a/tests/cases/compiler/contextualTypingOfTooShortOverloads.ts b/tests/cases/compiler/contextualTypingOfTooShortOverloads.ts new file mode 100644 index 0000000000000..6fa88a1e5595a --- /dev/null +++ b/tests/cases/compiler/contextualTypingOfTooShortOverloads.ts @@ -0,0 +1,49 @@ +// small repro from #11875 +var use: Overload; +use((req, res) => {}); + +interface Overload { + (handler1: (req1: string) => void): void; + (handler2: (req2: number, res2: number) => void): void; +} +// larger repro from #11875 +let app: MyApp; +app.use((err: any, req, res, next) => { return; }); + + +interface MyApp { + use: IRouterHandler & IRouterMatcher; +} + +interface IRouterHandler { + (...handlers: RequestHandler[]): T; + (...handlers: RequestHandlerParams[]): T; +} + +interface IRouterMatcher { + (path: PathParams, ...handlers: RequestHandler[]): T; + (path: PathParams, ...handlers: RequestHandlerParams[]): T; +} + +type PathParams = string | RegExp | (string | RegExp)[]; +type RequestHandlerParams = RequestHandler | ErrorRequestHandler | (RequestHandler | ErrorRequestHandler)[]; + +interface RequestHandler { + (req: Request, res: Response, next: NextFunction): any; +} + +interface ErrorRequestHandler { + (err: any, req: Request, res: Response, next: NextFunction): any; +} + +interface Request { + method: string; +} + +interface Response { + statusCode: number; +} + +interface NextFunction { + (err?: any): void; +} From b4451b159cf63aaf60d50b950ad62665b41a95c1 Mon Sep 17 00:00:00 2001 From: Nathan Shively-Sanders Date: Thu, 27 Oct 2016 15:38:29 -0700 Subject: [PATCH 06/31] Minor style improvements --- src/compiler/checker.ts | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index af7f9b7f7dae3..52153f5103b42 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -11885,7 +11885,8 @@ namespace ts { // for the argument. In that case, we should check the argument. if (argType === undefined) { // If the parameter and argument are both functions and the parameter has fewer arguments than the argument, - // then this signature is not applicable. Exit early. + // then this signature is not applicable. Exit early to avoid fixing incorrect + // contextual types to the function expression parameters. if (!reportErrors && isAritySmaller(paramType, arg)) { return false; } @@ -11916,6 +11917,8 @@ namespace ts { const sourceLengths = sourceSignatures.map(sig => !sig.hasRestParameter ? sig.parameters.length : Number.MAX_VALUE); return forEach(sourceLengths, len => len < targetParameterCount); } + + return false; } /** From 4e57f700d0e2b966ed4983f978f6df4afee62564 Mon Sep 17 00:00:00 2001 From: Nathan Shively-Sanders Date: Thu, 27 Oct 2016 15:42:41 -0700 Subject: [PATCH 07/31] Ignore optionality when skipping overloads --- src/compiler/checker.ts | 9 +-------- ...genericCallWithOverloadedFunctionTypedArguments.types | 4 ++-- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 52153f5103b42..88376a3dcb0cf 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -11906,16 +11906,9 @@ namespace ts { function isAritySmaller(sourceType: Type, target: Expression) { if (isFunctionExpressionOrArrowFunction(target) && isFunctionType(sourceType)) { - let targetParameterCount = 0; - for (; targetParameterCount < target.parameters.length; targetParameterCount++) { - const param = target.parameters[targetParameterCount]; - if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { - break; - } - } const sourceSignatures = getSignaturesOfType(sourceType, SignatureKind.Call); const sourceLengths = sourceSignatures.map(sig => !sig.hasRestParameter ? sig.parameters.length : Number.MAX_VALUE); - return forEach(sourceLengths, len => len < targetParameterCount); + return forEach(sourceLengths, len => len < target.parameters.length); } return false; diff --git a/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types b/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types index ab07e9c880a61..c26370a7640a5 100644 --- a/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types +++ b/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types @@ -122,8 +122,8 @@ module GenericParameter { >'' : "" var r11 = foo6((x: T, y?: T) => ''); // any => string (+1 overload) ->r11 : { (x: any): string; (x: any, y?: any): string; } ->foo6((x: T, y?: T) => '') : { (x: any): string; (x: any, y?: any): string; } +>r11 : any +>foo6((x: T, y?: T) => '') : any >foo6 : (cb: { (x: T): string; (x: T, y?: T): string; }) => { (x: T): string; (x: T, y?: T): string; } >(x: T, y?: T) => '' : (x: T, y?: T) => string >T : T From 2c09574f18c3ab88b02a9a9bf2a2246c2fa0a57b Mon Sep 17 00:00:00 2001 From: Nathan Shively-Sanders Date: Thu, 27 Oct 2016 22:52:01 -0700 Subject: [PATCH 08/31] Do not use contextual signatures with too few parameters --- src/compiler/checker.ts | 40 +++++++++++-------- .../contextualTypingOfTooShortOverloads.types | 6 +-- ...WithOverloadedFunctionTypedArguments.types | 4 +- ...AnnotatedFunctionInferenceError.errors.txt | 12 +++--- 4 files changed, 35 insertions(+), 27 deletions(-) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 88376a3dcb0cf..8748fd6db9584 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -10337,6 +10337,10 @@ namespace ts { if (!type) { return undefined; } + // If the contextual signature has fewer parameters than the function expression, do not use it + if (isFunctionExpressionOrArrowFunction(node) && isAritySmaller(type, node)) { + return undefined; + } if (!(type.flags & TypeFlags.Union)) { return getNonGenericSignature(type); } @@ -10371,6 +10375,26 @@ namespace ts { return result; } + function isAritySmaller(sourceType: Type, target: FunctionExpression | ArrowFunction) { + if (isFunctionType(sourceType)) { + let targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + const param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + const sourceSignatures = getSignaturesOfType(sourceType, SignatureKind.Call); + const sourceLengths = sourceSignatures.map(sig => !sig.hasRestParameter ? sig.parameters.length : Number.MAX_VALUE); + return forEach(sourceLengths, len => len < targetParameterCount); + } + + return false; + } + /** * Detect if the mapper implies an inference context. Specifically, there are 4 possible values * for a mapper. Let's go through each one of them: @@ -11884,12 +11908,6 @@ namespace ts { // If the effective argument type is 'undefined', there is no synthetic type // for the argument. In that case, we should check the argument. if (argType === undefined) { - // If the parameter and argument are both functions and the parameter has fewer arguments than the argument, - // then this signature is not applicable. Exit early to avoid fixing incorrect - // contextual types to the function expression parameters. - if (!reportErrors && isAritySmaller(paramType, arg)) { - return false; - } argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); } @@ -11904,16 +11922,6 @@ namespace ts { return true; } - function isAritySmaller(sourceType: Type, target: Expression) { - if (isFunctionExpressionOrArrowFunction(target) && isFunctionType(sourceType)) { - const sourceSignatures = getSignaturesOfType(sourceType, SignatureKind.Call); - const sourceLengths = sourceSignatures.map(sig => !sig.hasRestParameter ? sig.parameters.length : Number.MAX_VALUE); - return forEach(sourceLengths, len => len < target.parameters.length); - } - - return false; - } - /** * Returns the this argument in calls like x.f(...) and x[f](...). Undefined otherwise. */ diff --git a/tests/baselines/reference/contextualTypingOfTooShortOverloads.types b/tests/baselines/reference/contextualTypingOfTooShortOverloads.types index 9e306da3e61ef..769bd55d4b57b 100644 --- a/tests/baselines/reference/contextualTypingOfTooShortOverloads.types +++ b/tests/baselines/reference/contextualTypingOfTooShortOverloads.types @@ -7,9 +7,9 @@ var use: Overload; use((req, res) => {}); >use((req, res) => {}) : void >use : Overload ->(req, res) => {} : (req: number, res: number) => void ->req : number ->res : number +>(req, res) => {} : (req: any, res: any) => void +>req : any +>res : any interface Overload { >Overload : Overload diff --git a/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types b/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types index c26370a7640a5..ab07e9c880a61 100644 --- a/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types +++ b/tests/baselines/reference/genericCallWithOverloadedFunctionTypedArguments.types @@ -122,8 +122,8 @@ module GenericParameter { >'' : "" var r11 = foo6((x: T, y?: T) => ''); // any => string (+1 overload) ->r11 : any ->foo6((x: T, y?: T) => '') : any +>r11 : { (x: any): string; (x: any, y?: any): string; } +>foo6((x: T, y?: T) => '') : { (x: any): string; (x: any, y?: any): string; } >foo6 : (cb: { (x: T): string; (x: T, y?: T): string; }) => { (x: T): string; (x: T, y?: T): string; } >(x: T, y?: T) => '' : (x: T, y?: T) => string >T : T diff --git a/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt b/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt index d1e84494fa914..a6a4524592993 100644 --- a/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt +++ b/tests/baselines/reference/partiallyAnnotatedFunctionInferenceError.errors.txt @@ -1,6 +1,6 @@ -tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(12,11): error TS2345: Argument of type '(t1: D, t2: C, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. -tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(13,11): error TS2345: Argument of type '(t1: C, t2: D, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. -tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(14,11): error TS2345: Argument of type '(t1: C, t2: C, t3: D) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. +tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(12,11): error TS2345: Argument of type '(t1: D, t2: any, t3: any) => void' is not assignable to parameter of type '(t: any, t1: any) => void'. +tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(13,11): error TS2345: Argument of type '(t1: any, t2: D, t3: any) => void' is not assignable to parameter of type '(t: any, t1: any) => void'. +tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts(14,11): error TS2345: Argument of type '(t1: any, t2: any, t3: D) => void' is not assignable to parameter of type '(t: any, t1: any) => void'. ==== tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partiallyAnnotatedFunctionInferenceError.ts (3 errors) ==== @@ -17,11 +17,11 @@ tests/cases/conformance/types/contextualTypes/partiallyAnnotatedFunction/partial // more args testError((t1: D, t2, t3) => {}) ~~~~~~~~~~~~~~~~~~~~~ -!!! error TS2345: Argument of type '(t1: D, t2: C, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. +!!! error TS2345: Argument of type '(t1: D, t2: any, t3: any) => void' is not assignable to parameter of type '(t: any, t1: any) => void'. testError((t1, t2: D, t3) => {}) ~~~~~~~~~~~~~~~~~~~~~ -!!! error TS2345: Argument of type '(t1: C, t2: D, t3: any) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. +!!! error TS2345: Argument of type '(t1: any, t2: D, t3: any) => void' is not assignable to parameter of type '(t: any, t1: any) => void'. testError((t1, t2, t3: D) => {}) ~~~~~~~~~~~~~~~~~~~~~ -!!! error TS2345: Argument of type '(t1: C, t2: C, t3: D) => void' is not assignable to parameter of type '(t: C, t1: C) => void'. +!!! error TS2345: Argument of type '(t1: any, t2: any, t3: D) => void' is not assignable to parameter of type '(t: any, t1: any) => void'. \ No newline at end of file From a163641bd3570a90fa6b09cc2a373a64bad5e679 Mon Sep 17 00:00:00 2001 From: Nathan Shively-Sanders Date: Fri, 28 Oct 2016 08:57:19 -0700 Subject: [PATCH 09/31] isAritySmaller runs later: getNonGenericSignature --- src/compiler/checker.ts | 48 +++++++++++++++++------------------------ 1 file changed, 20 insertions(+), 28 deletions(-) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 8748fd6db9584..14c05d93246df 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -10299,16 +10299,32 @@ namespace ts { // If the given type is an object or union type, if that type has a single signature, and if // that signature is non-generic, return the signature. Otherwise return undefined. - function getNonGenericSignature(type: Type): Signature { + function getNonGenericSignature(type: Type, node: FunctionExpression | ArrowFunction | MethodDeclaration): Signature { const signatures = getSignaturesOfStructuredType(type, SignatureKind.Call); if (signatures.length === 1) { const signature = signatures[0]; - if (!signature.typeParameters) { + if (!signature.typeParameters && !isAritySmaller(signature, node)) { return signature; } } } + /** If the contextual signature has fewer parameters than the function expression, do not use it */ + function isAritySmaller(signature: Signature, target: FunctionExpression | ArrowFunction | MethodDeclaration) { + let targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + const param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + const sourceLength = signature.hasRestParameter ? Number.MAX_VALUE : signature.parameters.length; + return sourceLength < targetParameterCount; + } + function isFunctionExpressionOrArrowFunction(node: Node): node is FunctionExpression | ArrowFunction { return node.kind === SyntaxKind.FunctionExpression || node.kind === SyntaxKind.ArrowFunction; } @@ -10337,17 +10353,13 @@ namespace ts { if (!type) { return undefined; } - // If the contextual signature has fewer parameters than the function expression, do not use it - if (isFunctionExpressionOrArrowFunction(node) && isAritySmaller(type, node)) { - return undefined; - } if (!(type.flags & TypeFlags.Union)) { - return getNonGenericSignature(type); + return getNonGenericSignature(type, node); } let signatureList: Signature[]; const types = (type).types; for (const current of types) { - const signature = getNonGenericSignature(current); + const signature = getNonGenericSignature(current, node); if (signature) { if (!signatureList) { // This signature will contribute to contextual union signature @@ -10375,26 +10387,6 @@ namespace ts { return result; } - function isAritySmaller(sourceType: Type, target: FunctionExpression | ArrowFunction) { - if (isFunctionType(sourceType)) { - let targetParameterCount = 0; - for (; targetParameterCount < target.parameters.length; targetParameterCount++) { - const param = target.parameters[targetParameterCount]; - if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { - break; - } - } - if (target.parameters.length && parameterIsThisKeyword(target.parameters[0])) { - targetParameterCount--; - } - const sourceSignatures = getSignaturesOfType(sourceType, SignatureKind.Call); - const sourceLengths = sourceSignatures.map(sig => !sig.hasRestParameter ? sig.parameters.length : Number.MAX_VALUE); - return forEach(sourceLengths, len => len < targetParameterCount); - } - - return false; - } - /** * Detect if the mapper implies an inference context. Specifically, there are 4 possible values * for a mapper. Let's go through each one of them: From 86138e33c42af12efb0ef5555efa003233552a0d Mon Sep 17 00:00:00 2001 From: Vladimir Matveev Date: Wed, 26 Oct 2016 16:48:29 -0700 Subject: [PATCH 10/31] rewrite void-returning statements in constructors that capture result of super call (#11868) * rewrite void-returning statements in constructors that capture result of super call * linter --- src/compiler/transformers/es2015.ts | 30 ++++- .../reference/constructorWithCapturedSuper.js | 123 ++++++++++++++++++ .../constructorWithCapturedSuper.symbols | 96 ++++++++++++++ .../constructorWithCapturedSuper.types | 113 ++++++++++++++++ .../compiler/constructorWithCapturedSuper.ts | 52 ++++++++ 5 files changed, 410 insertions(+), 4 deletions(-) create mode 100644 tests/baselines/reference/constructorWithCapturedSuper.js create mode 100644 tests/baselines/reference/constructorWithCapturedSuper.symbols create mode 100644 tests/baselines/reference/constructorWithCapturedSuper.types create mode 100644 tests/cases/compiler/constructorWithCapturedSuper.ts diff --git a/src/compiler/transformers/es2015.ts b/src/compiler/transformers/es2015.ts index b48539e872200..c0916d3233987 100644 --- a/src/compiler/transformers/es2015.ts +++ b/src/compiler/transformers/es2015.ts @@ -186,6 +186,7 @@ namespace ts { let enclosingFunction: FunctionLikeDeclaration; let enclosingNonArrowFunction: FunctionLikeDeclaration; let enclosingNonAsyncFunctionBody: FunctionLikeDeclaration | ClassElement; + let isInConstructorWithCapturedSuper: boolean; /** * Used to track if we are emitting body of the converted loop @@ -231,14 +232,17 @@ namespace ts { const savedCurrentParent = currentParent; const savedCurrentNode = currentNode; const savedConvertedLoopState = convertedLoopState; + const savedIsInConstructorWithCapturedSuper = isInConstructorWithCapturedSuper; if (nodeStartsNewLexicalEnvironment(node)) { - // don't treat content of nodes that start new lexical environment as part of converted loop copy + // don't treat content of nodes that start new lexical environment as part of converted loop copy or constructor body + isInConstructorWithCapturedSuper = false; convertedLoopState = undefined; } onBeforeVisitNode(node); const visited = f(node); + isInConstructorWithCapturedSuper = savedIsInConstructorWithCapturedSuper; convertedLoopState = savedConvertedLoopState; enclosingFunction = savedEnclosingFunction; enclosingNonArrowFunction = savedEnclosingNonArrowFunction; @@ -251,6 +255,14 @@ namespace ts { return visited; } + function returnCapturedThis(node: Node): Node { + return setOriginalNode(createReturn(createIdentifier("_this")), node); + } + + function isReturnVoidStatementInConstructorWithCapturedSuper(node: Node): boolean { + return isInConstructorWithCapturedSuper && node.kind === SyntaxKind.ReturnStatement && !(node).expression; + } + function shouldCheckNode(node: Node): boolean { return (node.transformFlags & TransformFlags.ES2015) !== 0 || node.kind === SyntaxKind.LabeledStatement || @@ -258,10 +270,16 @@ namespace ts { } function visitorWorker(node: Node): VisitResult { - if (shouldCheckNode(node)) { + if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + return returnCapturedThis(node); + } + else if (shouldCheckNode(node)) { return visitJavaScript(node); } - else if (node.transformFlags & TransformFlags.ContainsES2015) { + else if (node.transformFlags & TransformFlags.ContainsES2015 || (isInConstructorWithCapturedSuper && !isExpression(node))) { + // we want to dive in this branch either if node has children with ES2015 specific syntax + // or we are inside constructor that captures result of the super call so all returns without expression should be + // rewritten. Note: we skip expressions since returns should never appear there return visitEachChild(node, visitor, context); } else { @@ -283,6 +301,7 @@ namespace ts { function visitNodesInConvertedLoop(node: Node): VisitResult { switch (node.kind) { case SyntaxKind.ReturnStatement: + node = isReturnVoidStatementInConstructorWithCapturedSuper(node) ? returnCapturedThis(node) : node; return visitReturnStatement(node); case SyntaxKind.VariableStatement: @@ -864,7 +883,10 @@ namespace ts { } if (constructor) { - const body = saveStateAndInvoke(constructor, constructor => visitNodes(constructor.body.statements, visitor, isStatement, /*start*/ statementOffset)); + const body = saveStateAndInvoke(constructor, constructor => { + isInConstructorWithCapturedSuper = superCaptureStatus === SuperCaptureResult.ReplaceSuperCapture; + return visitNodes(constructor.body.statements, visitor, isStatement, /*start*/ statementOffset); + }); addRange(statements, body); } diff --git a/tests/baselines/reference/constructorWithCapturedSuper.js b/tests/baselines/reference/constructorWithCapturedSuper.js new file mode 100644 index 0000000000000..895f78eb04b8b --- /dev/null +++ b/tests/baselines/reference/constructorWithCapturedSuper.js @@ -0,0 +1,123 @@ +//// [constructorWithCapturedSuper.ts] +let oneA: A; + +class A { + constructor() { + return oneA; + } +} + +class B extends A { + constructor(x: number) { + super(); + if (x === 1) { + return; + } + while (x < 2) { + return; + } + try { + return + } + catch (e) { + return; + } + finally { + return; + } + } +} + +class C extends A { + constructor(x: number) { + super(); + for (let i = 0; i < 10; ++i) { + () => i + x; + if (x === 1) { + return; + } + } + } +} + +class D extends A { + constructor(x: number) { + super(); + () => { + return; + } + function foo() { + return; + } + } +} + +//// [constructorWithCapturedSuper.js] +var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +}; +var oneA; +var A = (function () { + function A() { + return oneA; + } + return A; +}()); +var B = (function (_super) { + __extends(B, _super); + function B(x) { + var _this = _super.call(this) || this; + if (x === 1) { + return _this; + } + while (x < 2) { + return _this; + } + try { + return _this; + } + catch (e) { + return _this; + } + finally { + return _this; + } + return _this; + } + return B; +}(A)); +var C = (function (_super) { + __extends(C, _super); + function C(x) { + var _this = _super.call(this) || this; + var _loop_1 = function (i) { + (function () { return i + x; }); + if (x === 1) { + return { value: _this }; + } + }; + for (var i = 0; i < 10; ++i) { + var state_1 = _loop_1(i); + if (typeof state_1 === "object") + return state_1.value; + } + return _this; + } + return C; +}(A)); +var D = (function (_super) { + __extends(D, _super); + function D(x) { + var _this = _super.call(this) || this; + (function () { + return; + }); + function foo() { + return; + } + return _this; + } + return D; +}(A)); diff --git a/tests/baselines/reference/constructorWithCapturedSuper.symbols b/tests/baselines/reference/constructorWithCapturedSuper.symbols new file mode 100644 index 0000000000000..1743ee61612e0 --- /dev/null +++ b/tests/baselines/reference/constructorWithCapturedSuper.symbols @@ -0,0 +1,96 @@ +=== tests/cases/compiler/constructorWithCapturedSuper.ts === +let oneA: A; +>oneA : Symbol(oneA, Decl(constructorWithCapturedSuper.ts, 0, 3)) +>A : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + +class A { +>A : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + + constructor() { + return oneA; +>oneA : Symbol(oneA, Decl(constructorWithCapturedSuper.ts, 0, 3)) + } +} + +class B extends A { +>B : Symbol(B, Decl(constructorWithCapturedSuper.ts, 6, 1)) +>A : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + + constructor(x: number) { +>x : Symbol(x, Decl(constructorWithCapturedSuper.ts, 9, 16)) + + super(); +>super : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + + if (x === 1) { +>x : Symbol(x, Decl(constructorWithCapturedSuper.ts, 9, 16)) + + return; + } + while (x < 2) { +>x : Symbol(x, Decl(constructorWithCapturedSuper.ts, 9, 16)) + + return; + } + try { + return + } + catch (e) { +>e : Symbol(e, Decl(constructorWithCapturedSuper.ts, 20, 15)) + + return; + } + finally { + return; + } + } +} + +class C extends A { +>C : Symbol(C, Decl(constructorWithCapturedSuper.ts, 27, 1)) +>A : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + + constructor(x: number) { +>x : Symbol(x, Decl(constructorWithCapturedSuper.ts, 30, 16)) + + super(); +>super : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + + for (let i = 0; i < 10; ++i) { +>i : Symbol(i, Decl(constructorWithCapturedSuper.ts, 32, 16)) +>i : Symbol(i, Decl(constructorWithCapturedSuper.ts, 32, 16)) +>i : Symbol(i, Decl(constructorWithCapturedSuper.ts, 32, 16)) + + () => i + x; +>i : Symbol(i, Decl(constructorWithCapturedSuper.ts, 32, 16)) +>x : Symbol(x, Decl(constructorWithCapturedSuper.ts, 30, 16)) + + if (x === 1) { +>x : Symbol(x, Decl(constructorWithCapturedSuper.ts, 30, 16)) + + return; + } + } + } +} + +class D extends A { +>D : Symbol(D, Decl(constructorWithCapturedSuper.ts, 39, 1)) +>A : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + + constructor(x: number) { +>x : Symbol(x, Decl(constructorWithCapturedSuper.ts, 42, 16)) + + super(); +>super : Symbol(A, Decl(constructorWithCapturedSuper.ts, 0, 12)) + + () => { + return; + } + function foo() { +>foo : Symbol(foo, Decl(constructorWithCapturedSuper.ts, 46, 9)) + + return; + } + } +} diff --git a/tests/baselines/reference/constructorWithCapturedSuper.types b/tests/baselines/reference/constructorWithCapturedSuper.types new file mode 100644 index 0000000000000..13696029d536f --- /dev/null +++ b/tests/baselines/reference/constructorWithCapturedSuper.types @@ -0,0 +1,113 @@ +=== tests/cases/compiler/constructorWithCapturedSuper.ts === +let oneA: A; +>oneA : A +>A : A + +class A { +>A : A + + constructor() { + return oneA; +>oneA : A + } +} + +class B extends A { +>B : B +>A : A + + constructor(x: number) { +>x : number + + super(); +>super() : void +>super : typeof A + + if (x === 1) { +>x === 1 : boolean +>x : number +>1 : 1 + + return; + } + while (x < 2) { +>x < 2 : boolean +>x : number +>2 : 2 + + return; + } + try { + return + } + catch (e) { +>e : any + + return; + } + finally { + return; + } + } +} + +class C extends A { +>C : C +>A : A + + constructor(x: number) { +>x : number + + super(); +>super() : void +>super : typeof A + + for (let i = 0; i < 10; ++i) { +>i : number +>0 : 0 +>i < 10 : boolean +>i : number +>10 : 10 +>++i : number +>i : number + + () => i + x; +>() => i + x : () => number +>i + x : number +>i : number +>x : number + + if (x === 1) { +>x === 1 : boolean +>x : number +>1 : 1 + + return; + } + } + } +} + +class D extends A { +>D : D +>A : A + + constructor(x: number) { +>x : number + + super(); +>super() : void +>super : typeof A + + () => { +>() => { return; } : () => void + + return; + } + function foo() { +>foo : () => void + + return; + } + } +} diff --git a/tests/cases/compiler/constructorWithCapturedSuper.ts b/tests/cases/compiler/constructorWithCapturedSuper.ts new file mode 100644 index 0000000000000..942803e771de6 --- /dev/null +++ b/tests/cases/compiler/constructorWithCapturedSuper.ts @@ -0,0 +1,52 @@ +let oneA: A; + +class A { + constructor() { + return oneA; + } +} + +class B extends A { + constructor(x: number) { + super(); + if (x === 1) { + return; + } + while (x < 2) { + return; + } + try { + return + } + catch (e) { + return; + } + finally { + return; + } + } +} + +class C extends A { + constructor(x: number) { + super(); + for (let i = 0; i < 10; ++i) { + () => i + x; + if (x === 1) { + return; + } + } + } +} + +class D extends A { + constructor(x: number) { + super(); + () => { + return; + } + function foo() { + return; + } + } +} \ No newline at end of file From 467f252583d7b1fce01b3f5213e6e9b27fe98db3 Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Fri, 28 Oct 2016 10:38:08 -0700 Subject: [PATCH 11/31] Update LKG --- lib/tsc.js | 45 ++++++++++++++++++++++++++++------ lib/tsserver.js | 45 ++++++++++++++++++++++++++++------ lib/tsserverlibrary.js | 45 ++++++++++++++++++++++++++++------ lib/typescript.js | 51 +++++++++++++++++++++++++++++++++------ lib/typescriptServices.js | 51 +++++++++++++++++++++++++++++++++------ 5 files changed, 200 insertions(+), 37 deletions(-) diff --git a/lib/tsc.js b/lib/tsc.js index 20052ec0c1e00..e190108c5bc63 100644 --- a/lib/tsc.js +++ b/lib/tsc.js @@ -26701,15 +26701,29 @@ var ts; } return undefined; } - function getNonGenericSignature(type) { + function getNonGenericSignature(type, node) { var signatures = getSignaturesOfStructuredType(type, 0); if (signatures.length === 1) { var signature = signatures[0]; - if (!signature.typeParameters) { + if (!signature.typeParameters && !isAritySmaller(signature, node)) { return signature; } } } + function isAritySmaller(signature, target) { + var targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + var param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && ts.parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + var sourceLength = signature.hasRestParameter ? Number.MAX_VALUE : signature.parameters.length; + return sourceLength < targetParameterCount; + } function isFunctionExpressionOrArrowFunction(node) { return node.kind === 180 || node.kind === 181; } @@ -26730,13 +26744,13 @@ var ts; return undefined; } if (!(type.flags & 65536)) { - return getNonGenericSignature(type); + return getNonGenericSignature(type, node); } var signatureList; var types = type.types; for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { var current = types_14[_i]; - var signature = getNonGenericSignature(current); + var signature = getNonGenericSignature(current, node); if (signature) { if (!signatureList) { signatureList = [signature]; @@ -39406,6 +39420,7 @@ var ts; var enclosingFunction; var enclosingNonArrowFunction; var enclosingNonAsyncFunctionBody; + var isInConstructorWithCapturedSuper; var convertedLoopState; var enabledSubstitutions; return transformSourceFile; @@ -39435,11 +39450,14 @@ var ts; var savedCurrentParent = currentParent; var savedCurrentNode = currentNode; var savedConvertedLoopState = convertedLoopState; + var savedIsInConstructorWithCapturedSuper = isInConstructorWithCapturedSuper; if (ts.nodeStartsNewLexicalEnvironment(node)) { + isInConstructorWithCapturedSuper = false; convertedLoopState = undefined; } onBeforeVisitNode(node); var visited = f(node); + isInConstructorWithCapturedSuper = savedIsInConstructorWithCapturedSuper; convertedLoopState = savedConvertedLoopState; enclosingFunction = savedEnclosingFunction; enclosingNonArrowFunction = savedEnclosingNonArrowFunction; @@ -39451,16 +39469,25 @@ var ts; currentNode = savedCurrentNode; return visited; } + function returnCapturedThis(node) { + return ts.setOriginalNode(ts.createReturn(ts.createIdentifier("_this")), node); + } + function isReturnVoidStatementInConstructorWithCapturedSuper(node) { + return isInConstructorWithCapturedSuper && node.kind === 212 && !node.expression; + } function shouldCheckNode(node) { return (node.transformFlags & 256) !== 0 || node.kind === 215 || (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); } function visitorWorker(node) { - if (shouldCheckNode(node)) { + if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + return returnCapturedThis(node); + } + else if (shouldCheckNode(node)) { return visitJavaScript(node); } - else if (node.transformFlags & 512) { + else if (node.transformFlags & 512 || (isInConstructorWithCapturedSuper && !ts.isExpression(node))) { return ts.visitEachChild(node, visitor, context); } else { @@ -39480,6 +39507,7 @@ var ts; function visitNodesInConvertedLoop(node) { switch (node.kind) { case 212: + node = isReturnVoidStatementInConstructorWithCapturedSuper(node) ? returnCapturedThis(node) : node; return visitReturnStatement(node); case 201: return visitVariableStatement(node); @@ -39794,7 +39822,10 @@ var ts; statementOffset++; } if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); + var body = saveStateAndInvoke(constructor, function (constructor) { + isInConstructorWithCapturedSuper = superCaptureStatus === 1; + return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); + }); ts.addRange(statements, body); } if (extendsClauseElement diff --git a/lib/tsserver.js b/lib/tsserver.js index 7c2c7cb04620b..75110bce98d65 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -28206,15 +28206,29 @@ var ts; } return undefined; } - function getNonGenericSignature(type) { + function getNonGenericSignature(type, node) { var signatures = getSignaturesOfStructuredType(type, 0); if (signatures.length === 1) { var signature = signatures[0]; - if (!signature.typeParameters) { + if (!signature.typeParameters && !isAritySmaller(signature, node)) { return signature; } } } + function isAritySmaller(signature, target) { + var targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + var param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && ts.parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + var sourceLength = signature.hasRestParameter ? Number.MAX_VALUE : signature.parameters.length; + return sourceLength < targetParameterCount; + } function isFunctionExpressionOrArrowFunction(node) { return node.kind === 180 || node.kind === 181; } @@ -28235,13 +28249,13 @@ var ts; return undefined; } if (!(type.flags & 65536)) { - return getNonGenericSignature(type); + return getNonGenericSignature(type, node); } var signatureList; var types = type.types; for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { var current = types_14[_i]; - var signature = getNonGenericSignature(current); + var signature = getNonGenericSignature(current, node); if (signature) { if (!signatureList) { signatureList = [signature]; @@ -39525,6 +39539,7 @@ var ts; var enclosingFunction; var enclosingNonArrowFunction; var enclosingNonAsyncFunctionBody; + var isInConstructorWithCapturedSuper; var convertedLoopState; var enabledSubstitutions; return transformSourceFile; @@ -39554,11 +39569,14 @@ var ts; var savedCurrentParent = currentParent; var savedCurrentNode = currentNode; var savedConvertedLoopState = convertedLoopState; + var savedIsInConstructorWithCapturedSuper = isInConstructorWithCapturedSuper; if (ts.nodeStartsNewLexicalEnvironment(node)) { + isInConstructorWithCapturedSuper = false; convertedLoopState = undefined; } onBeforeVisitNode(node); var visited = f(node); + isInConstructorWithCapturedSuper = savedIsInConstructorWithCapturedSuper; convertedLoopState = savedConvertedLoopState; enclosingFunction = savedEnclosingFunction; enclosingNonArrowFunction = savedEnclosingNonArrowFunction; @@ -39570,16 +39588,25 @@ var ts; currentNode = savedCurrentNode; return visited; } + function returnCapturedThis(node) { + return ts.setOriginalNode(ts.createReturn(ts.createIdentifier("_this")), node); + } + function isReturnVoidStatementInConstructorWithCapturedSuper(node) { + return isInConstructorWithCapturedSuper && node.kind === 212 && !node.expression; + } function shouldCheckNode(node) { return (node.transformFlags & 256) !== 0 || node.kind === 215 || (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); } function visitorWorker(node) { - if (shouldCheckNode(node)) { + if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + return returnCapturedThis(node); + } + else if (shouldCheckNode(node)) { return visitJavaScript(node); } - else if (node.transformFlags & 512) { + else if (node.transformFlags & 512 || (isInConstructorWithCapturedSuper && !ts.isExpression(node))) { return ts.visitEachChild(node, visitor, context); } else { @@ -39599,6 +39626,7 @@ var ts; function visitNodesInConvertedLoop(node) { switch (node.kind) { case 212: + node = isReturnVoidStatementInConstructorWithCapturedSuper(node) ? returnCapturedThis(node) : node; return visitReturnStatement(node); case 201: return visitVariableStatement(node); @@ -39913,7 +39941,10 @@ var ts; statementOffset++; } if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); + var body = saveStateAndInvoke(constructor, function (constructor) { + isInConstructorWithCapturedSuper = superCaptureStatus === 1; + return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); + }); ts.addRange(statements, body); } if (extendsClauseElement diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js index f2839ce045ee0..e8ee1ffb7b7a5 100644 --- a/lib/tsserverlibrary.js +++ b/lib/tsserverlibrary.js @@ -28206,15 +28206,29 @@ var ts; } return undefined; } - function getNonGenericSignature(type) { + function getNonGenericSignature(type, node) { var signatures = getSignaturesOfStructuredType(type, 0); if (signatures.length === 1) { var signature = signatures[0]; - if (!signature.typeParameters) { + if (!signature.typeParameters && !isAritySmaller(signature, node)) { return signature; } } } + function isAritySmaller(signature, target) { + var targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + var param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && ts.parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + var sourceLength = signature.hasRestParameter ? Number.MAX_VALUE : signature.parameters.length; + return sourceLength < targetParameterCount; + } function isFunctionExpressionOrArrowFunction(node) { return node.kind === 180 || node.kind === 181; } @@ -28235,13 +28249,13 @@ var ts; return undefined; } if (!(type.flags & 65536)) { - return getNonGenericSignature(type); + return getNonGenericSignature(type, node); } var signatureList; var types = type.types; for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { var current = types_14[_i]; - var signature = getNonGenericSignature(current); + var signature = getNonGenericSignature(current, node); if (signature) { if (!signatureList) { signatureList = [signature]; @@ -39525,6 +39539,7 @@ var ts; var enclosingFunction; var enclosingNonArrowFunction; var enclosingNonAsyncFunctionBody; + var isInConstructorWithCapturedSuper; var convertedLoopState; var enabledSubstitutions; return transformSourceFile; @@ -39554,11 +39569,14 @@ var ts; var savedCurrentParent = currentParent; var savedCurrentNode = currentNode; var savedConvertedLoopState = convertedLoopState; + var savedIsInConstructorWithCapturedSuper = isInConstructorWithCapturedSuper; if (ts.nodeStartsNewLexicalEnvironment(node)) { + isInConstructorWithCapturedSuper = false; convertedLoopState = undefined; } onBeforeVisitNode(node); var visited = f(node); + isInConstructorWithCapturedSuper = savedIsInConstructorWithCapturedSuper; convertedLoopState = savedConvertedLoopState; enclosingFunction = savedEnclosingFunction; enclosingNonArrowFunction = savedEnclosingNonArrowFunction; @@ -39570,16 +39588,25 @@ var ts; currentNode = savedCurrentNode; return visited; } + function returnCapturedThis(node) { + return ts.setOriginalNode(ts.createReturn(ts.createIdentifier("_this")), node); + } + function isReturnVoidStatementInConstructorWithCapturedSuper(node) { + return isInConstructorWithCapturedSuper && node.kind === 212 && !node.expression; + } function shouldCheckNode(node) { return (node.transformFlags & 256) !== 0 || node.kind === 215 || (ts.isIterationStatement(node, false) && shouldConvertIterationStatementBody(node)); } function visitorWorker(node) { - if (shouldCheckNode(node)) { + if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + return returnCapturedThis(node); + } + else if (shouldCheckNode(node)) { return visitJavaScript(node); } - else if (node.transformFlags & 512) { + else if (node.transformFlags & 512 || (isInConstructorWithCapturedSuper && !ts.isExpression(node))) { return ts.visitEachChild(node, visitor, context); } else { @@ -39599,6 +39626,7 @@ var ts; function visitNodesInConvertedLoop(node) { switch (node.kind) { case 212: + node = isReturnVoidStatementInConstructorWithCapturedSuper(node) ? returnCapturedThis(node) : node; return visitReturnStatement(node); case 201: return visitVariableStatement(node); @@ -39913,7 +39941,10 @@ var ts; statementOffset++; } if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); }); + var body = saveStateAndInvoke(constructor, function (constructor) { + isInConstructorWithCapturedSuper = superCaptureStatus === 1; + return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, statementOffset); + }); ts.addRange(statements, body); } if (extendsClauseElement diff --git a/lib/typescript.js b/lib/typescript.js index 72bacf89f83c3..0aef63d6c6758 100644 --- a/lib/typescript.js +++ b/lib/typescript.js @@ -32320,15 +32320,30 @@ var ts; } // If the given type is an object or union type, if that type has a single signature, and if // that signature is non-generic, return the signature. Otherwise return undefined. - function getNonGenericSignature(type) { + function getNonGenericSignature(type, node) { var signatures = getSignaturesOfStructuredType(type, 0 /* Call */); if (signatures.length === 1) { var signature = signatures[0]; - if (!signature.typeParameters) { + if (!signature.typeParameters && !isAritySmaller(signature, node)) { return signature; } } } + /** If the contextual signature has fewer parameters than the function expression, do not use it */ + function isAritySmaller(signature, target) { + var targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + var param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && ts.parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + var sourceLength = signature.hasRestParameter ? Number.MAX_VALUE : signature.parameters.length; + return sourceLength < targetParameterCount; + } function isFunctionExpressionOrArrowFunction(node) { return node.kind === 180 /* FunctionExpression */ || node.kind === 181 /* ArrowFunction */; } @@ -32355,13 +32370,13 @@ var ts; return undefined; } if (!(type.flags & 65536 /* Union */)) { - return getNonGenericSignature(type); + return getNonGenericSignature(type, node); } var signatureList; var types = type.types; for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { var current = types_14[_i]; - var signature = getNonGenericSignature(current); + var signature = getNonGenericSignature(current, node); if (signature) { if (!signatureList) { // This signature will contribute to contextual union signature @@ -48816,6 +48831,7 @@ var ts; var enclosingFunction; var enclosingNonArrowFunction; var enclosingNonAsyncFunctionBody; + var isInConstructorWithCapturedSuper; /** * Used to track if we are emitting body of the converted loop */ @@ -48853,12 +48869,15 @@ var ts; var savedCurrentParent = currentParent; var savedCurrentNode = currentNode; var savedConvertedLoopState = convertedLoopState; + var savedIsInConstructorWithCapturedSuper = isInConstructorWithCapturedSuper; if (ts.nodeStartsNewLexicalEnvironment(node)) { - // don't treat content of nodes that start new lexical environment as part of converted loop copy + // don't treat content of nodes that start new lexical environment as part of converted loop copy or constructor body + isInConstructorWithCapturedSuper = false; convertedLoopState = undefined; } onBeforeVisitNode(node); var visited = f(node); + isInConstructorWithCapturedSuper = savedIsInConstructorWithCapturedSuper; convertedLoopState = savedConvertedLoopState; enclosingFunction = savedEnclosingFunction; enclosingNonArrowFunction = savedEnclosingNonArrowFunction; @@ -48870,16 +48889,28 @@ var ts; currentNode = savedCurrentNode; return visited; } + function returnCapturedThis(node) { + return ts.setOriginalNode(ts.createReturn(ts.createIdentifier("_this")), node); + } + function isReturnVoidStatementInConstructorWithCapturedSuper(node) { + return isInConstructorWithCapturedSuper && node.kind === 212 /* ReturnStatement */ && !node.expression; + } function shouldCheckNode(node) { return (node.transformFlags & 256 /* ES2015 */) !== 0 || node.kind === 215 /* LabeledStatement */ || (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node)); } function visitorWorker(node) { - if (shouldCheckNode(node)) { + if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + return returnCapturedThis(node); + } + else if (shouldCheckNode(node)) { return visitJavaScript(node); } - else if (node.transformFlags & 512 /* ContainsES2015 */) { + else if (node.transformFlags & 512 /* ContainsES2015 */ || (isInConstructorWithCapturedSuper && !ts.isExpression(node))) { + // we want to dive in this branch either if node has children with ES2015 specific syntax + // or we are inside constructor that captures result of the super call so all returns without expression should be + // rewritten. Note: we skip expressions since returns should never appear there return ts.visitEachChild(node, visitor, context); } else { @@ -48899,6 +48930,7 @@ var ts; function visitNodesInConvertedLoop(node) { switch (node.kind) { case 212 /* ReturnStatement */: + node = isReturnVoidStatementInConstructorWithCapturedSuper(node) ? returnCapturedThis(node) : node; return visitReturnStatement(node); case 201 /* VariableStatement */: return visitVariableStatement(node); @@ -49353,7 +49385,10 @@ var ts; statementOffset++; } if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); }); + var body = saveStateAndInvoke(constructor, function (constructor) { + isInConstructorWithCapturedSuper = superCaptureStatus === 1 /* ReplaceSuperCapture */; + return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); + }); ts.addRange(statements, body); } // Return `_this` unless we're sure enough that it would be pointless to add a return statement. diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js index 72bacf89f83c3..0aef63d6c6758 100644 --- a/lib/typescriptServices.js +++ b/lib/typescriptServices.js @@ -32320,15 +32320,30 @@ var ts; } // If the given type is an object or union type, if that type has a single signature, and if // that signature is non-generic, return the signature. Otherwise return undefined. - function getNonGenericSignature(type) { + function getNonGenericSignature(type, node) { var signatures = getSignaturesOfStructuredType(type, 0 /* Call */); if (signatures.length === 1) { var signature = signatures[0]; - if (!signature.typeParameters) { + if (!signature.typeParameters && !isAritySmaller(signature, node)) { return signature; } } } + /** If the contextual signature has fewer parameters than the function expression, do not use it */ + function isAritySmaller(signature, target) { + var targetParameterCount = 0; + for (; targetParameterCount < target.parameters.length; targetParameterCount++) { + var param = target.parameters[targetParameterCount]; + if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) { + break; + } + } + if (target.parameters.length && ts.parameterIsThisKeyword(target.parameters[0])) { + targetParameterCount--; + } + var sourceLength = signature.hasRestParameter ? Number.MAX_VALUE : signature.parameters.length; + return sourceLength < targetParameterCount; + } function isFunctionExpressionOrArrowFunction(node) { return node.kind === 180 /* FunctionExpression */ || node.kind === 181 /* ArrowFunction */; } @@ -32355,13 +32370,13 @@ var ts; return undefined; } if (!(type.flags & 65536 /* Union */)) { - return getNonGenericSignature(type); + return getNonGenericSignature(type, node); } var signatureList; var types = type.types; for (var _i = 0, types_14 = types; _i < types_14.length; _i++) { var current = types_14[_i]; - var signature = getNonGenericSignature(current); + var signature = getNonGenericSignature(current, node); if (signature) { if (!signatureList) { // This signature will contribute to contextual union signature @@ -48816,6 +48831,7 @@ var ts; var enclosingFunction; var enclosingNonArrowFunction; var enclosingNonAsyncFunctionBody; + var isInConstructorWithCapturedSuper; /** * Used to track if we are emitting body of the converted loop */ @@ -48853,12 +48869,15 @@ var ts; var savedCurrentParent = currentParent; var savedCurrentNode = currentNode; var savedConvertedLoopState = convertedLoopState; + var savedIsInConstructorWithCapturedSuper = isInConstructorWithCapturedSuper; if (ts.nodeStartsNewLexicalEnvironment(node)) { - // don't treat content of nodes that start new lexical environment as part of converted loop copy + // don't treat content of nodes that start new lexical environment as part of converted loop copy or constructor body + isInConstructorWithCapturedSuper = false; convertedLoopState = undefined; } onBeforeVisitNode(node); var visited = f(node); + isInConstructorWithCapturedSuper = savedIsInConstructorWithCapturedSuper; convertedLoopState = savedConvertedLoopState; enclosingFunction = savedEnclosingFunction; enclosingNonArrowFunction = savedEnclosingNonArrowFunction; @@ -48870,16 +48889,28 @@ var ts; currentNode = savedCurrentNode; return visited; } + function returnCapturedThis(node) { + return ts.setOriginalNode(ts.createReturn(ts.createIdentifier("_this")), node); + } + function isReturnVoidStatementInConstructorWithCapturedSuper(node) { + return isInConstructorWithCapturedSuper && node.kind === 212 /* ReturnStatement */ && !node.expression; + } function shouldCheckNode(node) { return (node.transformFlags & 256 /* ES2015 */) !== 0 || node.kind === 215 /* LabeledStatement */ || (ts.isIterationStatement(node, /*lookInLabeledStatements*/ false) && shouldConvertIterationStatementBody(node)); } function visitorWorker(node) { - if (shouldCheckNode(node)) { + if (isReturnVoidStatementInConstructorWithCapturedSuper(node)) { + return returnCapturedThis(node); + } + else if (shouldCheckNode(node)) { return visitJavaScript(node); } - else if (node.transformFlags & 512 /* ContainsES2015 */) { + else if (node.transformFlags & 512 /* ContainsES2015 */ || (isInConstructorWithCapturedSuper && !ts.isExpression(node))) { + // we want to dive in this branch either if node has children with ES2015 specific syntax + // or we are inside constructor that captures result of the super call so all returns without expression should be + // rewritten. Note: we skip expressions since returns should never appear there return ts.visitEachChild(node, visitor, context); } else { @@ -48899,6 +48930,7 @@ var ts; function visitNodesInConvertedLoop(node) { switch (node.kind) { case 212 /* ReturnStatement */: + node = isReturnVoidStatementInConstructorWithCapturedSuper(node) ? returnCapturedThis(node) : node; return visitReturnStatement(node); case 201 /* VariableStatement */: return visitVariableStatement(node); @@ -49353,7 +49385,10 @@ var ts; statementOffset++; } if (constructor) { - var body = saveStateAndInvoke(constructor, function (constructor) { return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); }); + var body = saveStateAndInvoke(constructor, function (constructor) { + isInConstructorWithCapturedSuper = superCaptureStatus === 1 /* ReplaceSuperCapture */; + return ts.visitNodes(constructor.body.statements, visitor, ts.isStatement, /*start*/ statementOffset); + }); ts.addRange(statements, body); } // Return `_this` unless we're sure enough that it would be pointless to add a return statement. From 2869f9cb0535c2984e18de1fa9a4645f3582a256 Mon Sep 17 00:00:00 2001 From: Kanchalai Tanglertsampan Date: Fri, 28 Oct 2016 16:38:53 -0700 Subject: [PATCH 12/31] Fix emit inferred type which is a generic type-alias both fully and partially fill type parameters --- src/compiler/checker.ts | 103 ++++++++++++++++++++++++++++++---------- 1 file changed, 78 insertions(+), 25 deletions(-) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 14c05d93246df..4f0c732c4b9e2 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -2180,54 +2180,105 @@ namespace ts { writer.writeKeyword(!(globalFlags & TypeFormatFlags.WriteOwnNameForAnyLike) && isTypeAny(type) ? "any" : (type).intrinsicName); + return; } - else if (type.flags & TypeFlags.TypeParameter && (type as TypeParameter).isThisType) { + + if (type.flags & TypeFlags.TypeParameter && (type as TypeParameter).isThisType) { if (inObjectTypeLiteral) { writer.reportInaccessibleThisError(); } writer.writeKeyword("this"); + return; } - else if (getObjectFlags(type) & ObjectFlags.Reference) { + + if (getObjectFlags(type) & ObjectFlags.Reference) { writeTypeReference(type, nextFlags); + return; } - else if (type.flags & TypeFlags.EnumLiteral) { + + if (type.flags & TypeFlags.EnumLiteral) { buildSymbolDisplay(getParentOfSymbol(type.symbol), writer, enclosingDeclaration, SymbolFlags.Type, SymbolFormatFlags.None, nextFlags); writePunctuation(writer, SyntaxKind.DotToken); appendSymbolNameOnly(type.symbol, writer); + return; } - else if (getObjectFlags(type) & ObjectFlags.ClassOrInterface || type.flags & (TypeFlags.Enum | TypeFlags.TypeParameter)) { + if (getObjectFlags(type) & ObjectFlags.ClassOrInterface || type.flags & (TypeFlags.Enum | TypeFlags.TypeParameter)) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, SymbolFlags.Type, SymbolFormatFlags.None, nextFlags); + return; } - else if (!(flags & TypeFormatFlags.InTypeAlias) && ((getObjectFlags(type) & ObjectFlags.Anonymous && !(type).target) || type.flags & TypeFlags.UnionOrIntersection) && type.aliasSymbol && + + if (!(flags & TypeFormatFlags.InTypeAlias) && + (getObjectFlags(type) & ObjectFlags.Anonymous || type.flags & TypeFlags.UnionOrIntersection) && + type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, SymbolFlags.Type, /*shouldComputeAliasesToMakeVisible*/ false).accessibility === SymbolAccessibility.Accessible) { - // We emit inferred type as type-alias at the current localtion if all the following is true - // the input type is has alias symbol that is accessible - // the input type is a union, intersection or anonymous type that is fully instantiated (if not we want to keep dive into) - // e.g.: export type Bar = () => [X, Y]; - // export type Foo = Bar; - // export const y = (x: Foo) => 1 // we want to emit as ...x: () => [any, string]) + // We emit inferred type as type-alias if type is not in type-alias declaration, existed accessible alias-symbol, type is anonymous or union or intersection. + // However, if the type is an anonymous type with type arguments, we need to perform additional check. + + // 1) No type arguments, just emit type-alias as is + // 2) Existed type arguments, check if the type arguments full fill all type parameters of the alias-symbol by + // checking whether the target's aliasTypeArguments has the same size as type's aliasTypeArguments: + // i.e + // type Foo = { + // foo(): Foo + // }; + // function foo() { + // return {} as Foo; + // } + // Should be emitted as + // declare type Foo = { + // foo(): Foo; + // }; + // declare function foo(): Foo; + const typeArguments = type.aliasTypeArguments; - writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); + if (!(type).target) { + // The given type has no target type then just write out its alias and tyep argument. + writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); + return; + + } + else { + // The given type has target type. Then check hat the type contains same number of type arguments as its target type indicating that + // the given type has instantiate all type parameter. Then just emit type-alias using the current type argument. + // i.e + // type Foo = { foo(): Foo } + // function bar() { return {} as Foo; + // should be emitted as + // declare type Foo = { foo(): Foo; } + // declare function bar(): Foo + if (typeArguments && typeArguments.length === (type).target.aliasTypeArguments.length) { + writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments.length, nextFlags); + return; + } + // Otherwise type-alias only partially full fill type parameter (as below example), we will want to serialize the type-alias + // export type Bar = () => [X, Y]; + // export type Foo = Bar; + // export const y = (x: Foo) => 1 // this should be emit as "export declare const y: (x: () => [any, string]) => number;" + } } - else if (type.flags & TypeFlags.UnionOrIntersection) { + + if (type.flags & TypeFlags.UnionOrIntersection) { writeUnionOrIntersectionType(type, nextFlags); + return; } - else if (getObjectFlags(type) & ObjectFlags.Anonymous) { + if (getObjectFlags(type) & ObjectFlags.Anonymous) { writeAnonymousType(type, nextFlags); + return; } - else if (type.flags & TypeFlags.StringOrNumberLiteral) { + + if (type.flags & TypeFlags.StringOrNumberLiteral) { writer.writeStringLiteral(literalTypeToString(type)); + return; } - else { - // Should never get here - // { ... } - writePunctuation(writer, SyntaxKind.OpenBraceToken); - writeSpace(writer); - writePunctuation(writer, SyntaxKind.DotDotDotToken); - writeSpace(writer); - writePunctuation(writer, SyntaxKind.CloseBraceToken); - } + + // Should never get here + // { ... } + writePunctuation(writer, SyntaxKind.OpenBraceToken); + writeSpace(writer); + writePunctuation(writer, SyntaxKind.DotDotDotToken); + writeSpace(writer); + writePunctuation(writer, SyntaxKind.CloseBraceToken); } function writeTypeList(types: Type[], delimiter: SyntaxKind) { @@ -2330,7 +2381,9 @@ namespace ts { else if (contains(symbolStack, symbol)) { // If type is an anonymous type literal in a type alias declaration, use type alias name const typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { + // We only want to use type-alias here if the typeAlias is not a generic one. (i.e it doesn't have a target type) + // If it is a generic type-alias just write out "any" + if (typeAlias && !(type).target) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, SymbolFlags.Type, SymbolFormatFlags.None, flags); } From 01e06f9295b2cd26aea734431c9840222dae8ff5 Mon Sep 17 00:00:00 2001 From: Kanchalai Tanglertsampan Date: Fri, 28 Oct 2016 16:39:05 -0700 Subject: [PATCH 13/31] Add tests and baselines --- ...tionEmitTypeAliasWithTypeParameters1.types | 4 +-- ...arationEmitTypeAliasWithTypeParameters2.js | 17 ++++++++++ ...onEmitTypeAliasWithTypeParameters2.symbols | 30 +++++++++++++++++ ...tionEmitTypeAliasWithTypeParameters2.types | 32 ++++++++++++++++++ ...arationEmitTypeAliasWithTypeParameters3.js | 21 ++++++++++++ ...onEmitTypeAliasWithTypeParameters3.symbols | 20 +++++++++++ ...tionEmitTypeAliasWithTypeParameters3.types | 22 +++++++++++++ ...arationEmitTypeAliasWithTypeParameters4.js | 26 +++++++++++++++ ...onEmitTypeAliasWithTypeParameters4.symbols | 29 ++++++++++++++++ ...tionEmitTypeAliasWithTypeParameters4.types | 31 +++++++++++++++++ ...mitTypeAliasWithTypeParameters5.errors.txt | 16 +++++++++ ...arationEmitTypeAliasWithTypeParameters5.js | 17 ++++++++++ ...arationEmitTypeAliasWithTypeParameters6.js | 24 ++++++++++++++ ...onEmitTypeAliasWithTypeParameters6.symbols | 31 +++++++++++++++++ ...tionEmitTypeAliasWithTypeParameters6.types | 33 +++++++++++++++++++ ...arationEmitTypeAliasWithTypeParameters2.ts | 6 ++++ ...arationEmitTypeAliasWithTypeParameters3.ts | 8 +++++ ...arationEmitTypeAliasWithTypeParameters4.ts | 10 ++++++ ...arationEmitTypeAliasWithTypeParameters5.ts | 10 ++++++ ...arationEmitTypeAliasWithTypeParameters6.ts | 10 ++++++ 20 files changed, 395 insertions(+), 2 deletions(-) create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.js create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.symbols create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.symbols create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.js create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.symbols create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.errors.txt create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.js create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.symbols create mode 100644 tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types create mode 100644 tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters2.ts create mode 100644 tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters3.ts create mode 100644 tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters4.ts create mode 100644 tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters5.ts create mode 100644 tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters6.ts diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types index 3ff9f9bde1df2..ee6dbab804d8a 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types @@ -8,7 +8,7 @@ export type Bar = () => [X, Y]; >Y : Y export type Foo = Bar; ->Foo : () => [any, Y] +>Foo : Bar >Y : Y >Bar : Bar >Y : Y @@ -17,6 +17,6 @@ export const y = (x: Foo) => 1 >y : (x: () => [any, string]) => number >(x: Foo) => 1 : (x: () => [any, string]) => number >x : () => [any, string] ->Foo : () => [any, Y] +>Foo : Bar >1 : 1 diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.js b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.js new file mode 100644 index 0000000000000..aabeccffbc0b8 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.js @@ -0,0 +1,17 @@ +//// [declarationEmitTypeAliasWithTypeParameters2.ts] + +export type Bar = () => [X, Y, Z]; +export type Baz = Bar; +export type Baa = Baz; +export const y = (x: Baa) => 1 + +//// [declarationEmitTypeAliasWithTypeParameters2.js] +"use strict"; +exports.y = function (x) { return 1; }; + + +//// [declarationEmitTypeAliasWithTypeParameters2.d.ts] +export declare type Bar = () => [X, Y, Z]; +export declare type Baz = Bar; +export declare type Baa = Baz; +export declare const y: (x: () => [boolean, string, number]) => number; diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.symbols b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.symbols new file mode 100644 index 0000000000000..cc13e9fd30b24 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.symbols @@ -0,0 +1,30 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters2.ts === + +export type Bar = () => [X, Y, Z]; +>Bar : Symbol(Bar, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 0, 0)) +>X : Symbol(X, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 16)) +>Y : Symbol(Y, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 18)) +>Z : Symbol(Z, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 21)) +>X : Symbol(X, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 16)) +>Y : Symbol(Y, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 18)) +>Z : Symbol(Z, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 21)) + +export type Baz = Bar; +>Baz : Symbol(Baz, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 43)) +>M : Symbol(M, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 2, 16)) +>N : Symbol(N, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 2, 18)) +>Bar : Symbol(Bar, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 0, 0)) +>M : Symbol(M, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 2, 16)) +>N : Symbol(N, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 2, 18)) + +export type Baa = Baz; +>Baa : Symbol(Baa, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 2, 42)) +>Y : Symbol(Y, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 3, 16)) +>Baz : Symbol(Baz, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 1, 43)) +>Y : Symbol(Y, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 3, 16)) + +export const y = (x: Baa) => 1 +>y : Symbol(y, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 4, 12)) +>x : Symbol(x, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 4, 18)) +>Baa : Symbol(Baa, Decl(declarationEmitTypeAliasWithTypeParameters2.ts, 2, 42)) + diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types new file mode 100644 index 0000000000000..4c88e88469a4e --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types @@ -0,0 +1,32 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters2.ts === + +export type Bar = () => [X, Y, Z]; +>Bar : Bar +>X : X +>Y : Y +>Z : Z +>X : X +>Y : Y +>Z : Z + +export type Baz = Bar; +>Baz : Bar +>M : M +>N : N +>Bar : Bar +>M : M +>N : N + +export type Baa = Baz; +>Baa : () => [boolean, string, Y] +>Y : Y +>Baz : Bar +>Y : Y + +export const y = (x: Baa) => 1 +>y : (x: () => [boolean, string, number]) => number +>(x: Baa) => 1 : (x: () => [boolean, string, number]) => number +>x : () => [boolean, string, number] +>Baa : () => [boolean, string, Y] +>1 : 1 + diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js new file mode 100644 index 0000000000000..9e2a366a685b4 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js @@ -0,0 +1,21 @@ +//// [declarationEmitTypeAliasWithTypeParameters3.ts] + +type Foo = { + foo(): Foo +}; +function bar() { + return {} as Foo; +} + + +//// [declarationEmitTypeAliasWithTypeParameters3.js] +function bar() { + return {}; +} + + +//// [declarationEmitTypeAliasWithTypeParameters3.d.ts] +declare type Foo = { + foo(): Foo; +}; +declare function bar(): Foo; diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.symbols b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.symbols new file mode 100644 index 0000000000000..a18b1372cf14d --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.symbols @@ -0,0 +1,20 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters3.ts === + +type Foo = { +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 0, 0)) +>T : Symbol(T, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 1, 9)) + + foo(): Foo +>foo : Symbol(foo, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 1, 15)) +>U : Symbol(U, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 2, 8)) +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 0, 0)) +>U : Symbol(U, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 2, 8)) + +}; +function bar() { +>bar : Symbol(bar, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 3, 2)) + + return {} as Foo; +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters3.ts, 0, 0)) +} + diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types new file mode 100644 index 0000000000000..1b2ff140178c6 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types @@ -0,0 +1,22 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters3.ts === + +type Foo = { +>Foo : Foo +>T : T + + foo(): Foo +>foo : () => Foo +>U : U +>Foo : Foo +>U : U + +}; +function bar() { +>bar : () => Foo + + return {} as Foo; +>{} as Foo : Foo +>{} : {} +>Foo : Foo +} + diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.js b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.js new file mode 100644 index 0000000000000..7f8a8ddbf9d2b --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.js @@ -0,0 +1,26 @@ +//// [declarationEmitTypeAliasWithTypeParameters4.ts] + +type Foo = { + foo(): Foo +}; +type SubFoo = Foo; + +function foo() { + return {} as SubFoo; +} + + +//// [declarationEmitTypeAliasWithTypeParameters4.js] +function foo() { + return {}; +} + + +//// [declarationEmitTypeAliasWithTypeParameters4.d.ts] +declare type Foo = { + foo(): Foo; +}; +declare type SubFoo = Foo; +declare function foo(): { + foo(): any; +}; diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.symbols b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.symbols new file mode 100644 index 0000000000000..de73f544645c2 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.symbols @@ -0,0 +1,29 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters4.ts === + +type Foo = { +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 0, 0)) +>T : Symbol(T, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 1, 9)) +>Y : Symbol(Y, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 1, 11)) + + foo(): Foo +>foo : Symbol(foo, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 1, 18)) +>U : Symbol(U, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 2, 8)) +>J : Symbol(J, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 2, 10)) +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 0, 0)) +>U : Symbol(U, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 2, 8)) +>J : Symbol(J, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 2, 10)) + +}; +type SubFoo = Foo; +>SubFoo : Symbol(SubFoo, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 3, 2)) +>R : Symbol(R, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 4, 12)) +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 0, 0)) +>R : Symbol(R, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 4, 12)) + +function foo() { +>foo : Symbol(foo, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 4, 32)) + + return {} as SubFoo; +>SubFoo : Symbol(SubFoo, Decl(declarationEmitTypeAliasWithTypeParameters4.ts, 3, 2)) +} + diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types new file mode 100644 index 0000000000000..d77100c993d7d --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types @@ -0,0 +1,31 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters4.ts === + +type Foo = { +>Foo : Foo +>T : T +>Y : Y + + foo(): Foo +>foo : () => Foo +>U : U +>J : J +>Foo : Foo +>U : U +>J : J + +}; +type SubFoo = Foo; +>SubFoo : Foo +>R : R +>Foo : Foo +>R : R + +function foo() { +>foo : () => { foo(): any; } + + return {} as SubFoo; +>{} as SubFoo : { foo(): any; } +>{} : {} +>SubFoo : Foo +} + diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.errors.txt b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.errors.txt new file mode 100644 index 0000000000000..7f683dcc7b7b5 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.errors.txt @@ -0,0 +1,16 @@ +tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters5.ts(5,25): error TS4081: Exported type alias 'SubFoo' has or is using private name 'Foo'. + + +==== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters5.ts (1 errors) ==== + + type Foo = { + foo(): Foo + }; + export type SubFoo = Foo; + ~~~ +!!! error TS4081: Exported type alias 'SubFoo' has or is using private name 'Foo'. + + function foo() { + return {} as SubFoo; + } + \ No newline at end of file diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.js b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.js new file mode 100644 index 0000000000000..2f4fff7d72c25 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters5.js @@ -0,0 +1,17 @@ +//// [declarationEmitTypeAliasWithTypeParameters5.ts] + +type Foo = { + foo(): Foo +}; +export type SubFoo = Foo; + +function foo() { + return {} as SubFoo; +} + + +//// [declarationEmitTypeAliasWithTypeParameters5.js] +"use strict"; +function foo() { + return {}; +} diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js new file mode 100644 index 0000000000000..0e34bd44d409d --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js @@ -0,0 +1,24 @@ +//// [declarationEmitTypeAliasWithTypeParameters6.ts] + +type Foo = { + foo(): Foo +}; +type SubFoo = Foo; + +function foo() { + return {} as SubFoo; +} + + +//// [declarationEmitTypeAliasWithTypeParameters6.js] +function foo() { + return {}; +} + + +//// [declarationEmitTypeAliasWithTypeParameters6.d.ts] +declare type Foo = { + foo(): Foo; +}; +declare type SubFoo = Foo; +declare function foo(): Foo; diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.symbols b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.symbols new file mode 100644 index 0000000000000..ec29989f0781e --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.symbols @@ -0,0 +1,31 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters6.ts === + +type Foo = { +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 0, 0)) +>T : Symbol(T, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 1, 9)) +>Y : Symbol(Y, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 1, 11)) + + foo(): Foo +>foo : Symbol(foo, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 1, 18)) +>U : Symbol(U, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 2, 8)) +>J : Symbol(J, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 2, 10)) +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 0, 0)) +>U : Symbol(U, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 2, 8)) +>J : Symbol(J, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 2, 10)) + +}; +type SubFoo = Foo; +>SubFoo : Symbol(SubFoo, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 3, 2)) +>R : Symbol(R, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 4, 12)) +>S : Symbol(S, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 4, 14)) +>Foo : Symbol(Foo, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 0, 0)) +>S : Symbol(S, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 4, 14)) +>R : Symbol(R, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 4, 12)) + +function foo() { +>foo : Symbol(foo, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 4, 30)) + + return {} as SubFoo; +>SubFoo : Symbol(SubFoo, Decl(declarationEmitTypeAliasWithTypeParameters6.ts, 3, 2)) +} + diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types new file mode 100644 index 0000000000000..ffa53c701fca1 --- /dev/null +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types @@ -0,0 +1,33 @@ +=== tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters6.ts === + +type Foo = { +>Foo : Foo +>T : T +>Y : Y + + foo(): Foo +>foo : () => Foo +>U : U +>J : J +>Foo : Foo +>U : U +>J : J + +}; +type SubFoo = Foo; +>SubFoo : Foo +>R : R +>S : S +>Foo : Foo +>S : S +>R : R + +function foo() { +>foo : () => Foo + + return {} as SubFoo; +>{} as SubFoo : Foo +>{} : {} +>SubFoo : Foo +} + diff --git a/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters2.ts b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters2.ts new file mode 100644 index 0000000000000..de94ad4998d71 --- /dev/null +++ b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters2.ts @@ -0,0 +1,6 @@ +// @declaration: true + +export type Bar = () => [X, Y, Z]; +export type Baz = Bar; +export type Baa = Baz; +export const y = (x: Baa) => 1 \ No newline at end of file diff --git a/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters3.ts b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters3.ts new file mode 100644 index 0000000000000..6c7d4799abc39 --- /dev/null +++ b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters3.ts @@ -0,0 +1,8 @@ +// @declaration: true + +type Foo = { + foo(): Foo +}; +function bar() { + return {} as Foo; +} diff --git a/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters4.ts b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters4.ts new file mode 100644 index 0000000000000..42bb8097997e4 --- /dev/null +++ b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters4.ts @@ -0,0 +1,10 @@ +// @declaration: true + +type Foo = { + foo(): Foo +}; +type SubFoo = Foo; + +function foo() { + return {} as SubFoo; +} diff --git a/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters5.ts b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters5.ts new file mode 100644 index 0000000000000..b6334e763374b --- /dev/null +++ b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters5.ts @@ -0,0 +1,10 @@ +// @declaration: true + +type Foo = { + foo(): Foo +}; +export type SubFoo = Foo; + +function foo() { + return {} as SubFoo; +} diff --git a/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters6.ts b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters6.ts new file mode 100644 index 0000000000000..9b31302702125 --- /dev/null +++ b/tests/cases/compiler/declarationEmitTypeAliasWithTypeParameters6.ts @@ -0,0 +1,10 @@ +// @declaration: true + +type Foo = { + foo(): Foo +}; +type SubFoo = Foo; + +function foo() { + return {} as SubFoo; +} From f2e343903c739a22e792b8b9cedf762fd8193c39 Mon Sep 17 00:00:00 2001 From: Kanchalai Tanglertsampan Date: Fri, 28 Oct 2016 18:16:14 -0700 Subject: [PATCH 14/31] Skip trying to use alias if there is target type --- src/compiler/checker.ts | 84 ++++++++++++----------------------------- 1 file changed, 25 insertions(+), 59 deletions(-) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 4f0c732c4b9e2..ba5b6a3690b33 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -2180,41 +2180,31 @@ namespace ts { writer.writeKeyword(!(globalFlags & TypeFormatFlags.WriteOwnNameForAnyLike) && isTypeAny(type) ? "any" : (type).intrinsicName); - return; } - - if (type.flags & TypeFlags.TypeParameter && (type as TypeParameter).isThisType) { + else if (type.flags & TypeFlags.TypeParameter && (type as TypeParameter).isThisType) { if (inObjectTypeLiteral) { writer.reportInaccessibleThisError(); } writer.writeKeyword("this"); - return; } - - if (getObjectFlags(type) & ObjectFlags.Reference) { + else if (getObjectFlags(type) & ObjectFlags.Reference) { writeTypeReference(type, nextFlags); - return; } - - if (type.flags & TypeFlags.EnumLiteral) { + else if (type.flags & TypeFlags.EnumLiteral) { buildSymbolDisplay(getParentOfSymbol(type.symbol), writer, enclosingDeclaration, SymbolFlags.Type, SymbolFormatFlags.None, nextFlags); writePunctuation(writer, SyntaxKind.DotToken); appendSymbolNameOnly(type.symbol, writer); - return; } - if (getObjectFlags(type) & ObjectFlags.ClassOrInterface || type.flags & (TypeFlags.Enum | TypeFlags.TypeParameter)) { + else if (getObjectFlags(type) & ObjectFlags.ClassOrInterface || type.flags & (TypeFlags.Enum | TypeFlags.TypeParameter)) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, SymbolFlags.Type, SymbolFormatFlags.None, nextFlags); - return; } - - if (!(flags & TypeFormatFlags.InTypeAlias) && - (getObjectFlags(type) & ObjectFlags.Anonymous || type.flags & TypeFlags.UnionOrIntersection) && + else if (!(flags & TypeFormatFlags.InTypeAlias) && + (getObjectFlags(type) & ObjectFlags.Anonymous && !(type).target || type.flags & TypeFlags.UnionOrIntersection) && type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, SymbolFlags.Type, /*shouldComputeAliasesToMakeVisible*/ false).accessibility === SymbolAccessibility.Accessible) { // We emit inferred type as type-alias if type is not in type-alias declaration, existed accessible alias-symbol, type is anonymous or union or intersection. // However, if the type is an anonymous type with type arguments, we need to perform additional check. - // 1) No type arguments, just emit type-alias as is // 2) Existed type arguments, check if the type arguments full fill all type parameters of the alias-symbol by // checking whether the target's aliasTypeArguments has the same size as type's aliasTypeArguments: @@ -2230,55 +2220,31 @@ namespace ts { // foo(): Foo; // }; // declare function foo(): Foo; - - const typeArguments = type.aliasTypeArguments; - if (!(type).target) { - // The given type has no target type then just write out its alias and tyep argument. - writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); - return; - - } - else { - // The given type has target type. Then check hat the type contains same number of type arguments as its target type indicating that - // the given type has instantiate all type parameter. Then just emit type-alias using the current type argument. - // i.e - // type Foo = { foo(): Foo } - // function bar() { return {} as Foo; - // should be emitted as - // declare type Foo = { foo(): Foo; } - // declare function bar(): Foo - if (typeArguments && typeArguments.length === (type).target.aliasTypeArguments.length) { - writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments.length, nextFlags); - return; - } - // Otherwise type-alias only partially full fill type parameter (as below example), we will want to serialize the type-alias - // export type Bar = () => [X, Y]; - // export type Foo = Bar; - // export const y = (x: Foo) => 1 // this should be emit as "export declare const y: (x: () => [any, string]) => number;" - } - } - - if (type.flags & TypeFlags.UnionOrIntersection) { + // Otherwise type-alias is point to another generic type-alias then don't write it using alias symbol + // export type Bar = () => [X, Y]; + // export type Foo = Bar; + // export const y = (x: Foo) => 1 // this should be emit as "export declare const y: (x: () => [any, string]) => number;" + const typeArguments = (type).aliasTypeArguments; + writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); + } + else if (type.flags & TypeFlags.UnionOrIntersection) { writeUnionOrIntersectionType(type, nextFlags); - return; } - if (getObjectFlags(type) & ObjectFlags.Anonymous) { + else if (getObjectFlags(type) & ObjectFlags.Anonymous) { writeAnonymousType(type, nextFlags); - return; } - - if (type.flags & TypeFlags.StringOrNumberLiteral) { + else if (type.flags & TypeFlags.StringOrNumberLiteral) { writer.writeStringLiteral(literalTypeToString(type)); - return; } - - // Should never get here - // { ... } - writePunctuation(writer, SyntaxKind.OpenBraceToken); - writeSpace(writer); - writePunctuation(writer, SyntaxKind.DotDotDotToken); - writeSpace(writer); - writePunctuation(writer, SyntaxKind.CloseBraceToken); + else { + // Should never get here + // { ... } + writePunctuation(writer, SyntaxKind.OpenBraceToken); + writeSpace(writer); + writePunctuation(writer, SyntaxKind.DotDotDotToken); + writeSpace(writer); + writePunctuation(writer, SyntaxKind.CloseBraceToken); + } } function writeTypeList(types: Type[], delimiter: SyntaxKind) { From f9a317ec97d864baaeb2125ebd8b0b0e090cd0f1 Mon Sep 17 00:00:00 2001 From: Kanchalai Tanglertsampan Date: Fri, 28 Oct 2016 18:16:33 -0700 Subject: [PATCH 15/31] Update baselines --- .../declarationEmitTypeAliasWithTypeParameters1.types | 4 ++-- .../declarationEmitTypeAliasWithTypeParameters2.types | 4 ++-- .../declarationEmitTypeAliasWithTypeParameters3.js | 4 +++- .../declarationEmitTypeAliasWithTypeParameters3.types | 6 +++--- .../declarationEmitTypeAliasWithTypeParameters4.types | 6 +++--- .../declarationEmitTypeAliasWithTypeParameters6.js | 4 +++- .../declarationEmitTypeAliasWithTypeParameters6.types | 10 +++++----- 7 files changed, 21 insertions(+), 17 deletions(-) diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types index ee6dbab804d8a..3ff9f9bde1df2 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters1.types @@ -8,7 +8,7 @@ export type Bar = () => [X, Y]; >Y : Y export type Foo = Bar; ->Foo : Bar +>Foo : () => [any, Y] >Y : Y >Bar : Bar >Y : Y @@ -17,6 +17,6 @@ export const y = (x: Foo) => 1 >y : (x: () => [any, string]) => number >(x: Foo) => 1 : (x: () => [any, string]) => number >x : () => [any, string] ->Foo : Bar +>Foo : () => [any, Y] >1 : 1 diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types index 4c88e88469a4e..8a16a05f32cf8 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters2.types @@ -10,7 +10,7 @@ export type Bar = () => [X, Y, Z]; >Z : Z export type Baz = Bar; ->Baz : Bar +>Baz : () => [M, string, N] >M : M >N : N >Bar : Bar @@ -20,7 +20,7 @@ export type Baz = Bar; export type Baa = Baz; >Baa : () => [boolean, string, Y] >Y : Y ->Baz : Bar +>Baz : () => [M, string, N] >Y : Y export const y = (x: Baa) => 1 diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js index 9e2a366a685b4..8ab4c98c6685c 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.js @@ -18,4 +18,6 @@ function bar() { declare type Foo = { foo(): Foo; }; -declare function bar(): Foo; +declare function bar(): { + foo(): any; +}; diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types index 1b2ff140178c6..f7ae5bd9cf6a1 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters3.types @@ -5,17 +5,17 @@ type Foo = { >T : T foo(): Foo ->foo : () => Foo +>foo : () => { foo(): any; } >U : U >Foo : Foo >U : U }; function bar() { ->bar : () => Foo +>bar : () => { foo(): any; } return {} as Foo; ->{} as Foo : Foo +>{} as Foo : { foo(): any; } >{} : {} >Foo : Foo } diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types index d77100c993d7d..874d524790103 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters4.types @@ -6,7 +6,7 @@ type Foo = { >Y : Y foo(): Foo ->foo : () => Foo +>foo : () => { foo(): any; } >U : U >J : J >Foo : Foo @@ -15,7 +15,7 @@ type Foo = { }; type SubFoo = Foo; ->SubFoo : Foo +>SubFoo : { foo(): any; } >R : R >Foo : Foo >R : R @@ -26,6 +26,6 @@ function foo() { return {} as SubFoo; >{} as SubFoo : { foo(): any; } >{} : {} ->SubFoo : Foo +>SubFoo : { foo(): any; } } diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js index 0e34bd44d409d..d06d4c955bcd6 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.js @@ -21,4 +21,6 @@ declare type Foo = { foo(): Foo; }; declare type SubFoo = Foo; -declare function foo(): Foo; +declare function foo(): { + foo(): any; +}; diff --git a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types index ffa53c701fca1..40f25c884621b 100644 --- a/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types +++ b/tests/baselines/reference/declarationEmitTypeAliasWithTypeParameters6.types @@ -6,7 +6,7 @@ type Foo = { >Y : Y foo(): Foo ->foo : () => Foo +>foo : () => { foo(): any; } >U : U >J : J >Foo : Foo @@ -15,7 +15,7 @@ type Foo = { }; type SubFoo = Foo; ->SubFoo : Foo +>SubFoo : { foo(): any; } >R : R >S : S >Foo : Foo @@ -23,11 +23,11 @@ type SubFoo = Foo; >R : R function foo() { ->foo : () => Foo +>foo : () => { foo(): any; } return {} as SubFoo; ->{} as SubFoo : Foo +>{} as SubFoo : { foo(): any; } >{} : {} ->SubFoo : Foo +>SubFoo : { foo(): any; } } From 182bc774b504d4d7cf39d91619ba3ef2ac934c6d Mon Sep 17 00:00:00 2001 From: Zhengbo Li Date: Tue, 1 Nov 2016 16:42:06 -0700 Subject: [PATCH 16/31] Add diagnostics to remind adding tsconfig file for certain external project (#11932) * Add diagnostics for certain external project * Show tsconfig suggestion * fix lint error * Address pr * fix comment * Update error message --- src/compiler/core.ts | 12 ++++++++ src/compiler/diagnosticMessages.json | 4 +++ src/compiler/program.ts | 28 ++++++++++++------- src/harness/fourslash.ts | 14 +++++++++- ...sWhenEmitBlockingErrorOnOtherFile.baseline | 3 +- .../declarationFileOverwriteError.errors.txt | 2 ++ ...rationFileOverwriteErrorWithOut.errors.txt | 2 ++ .../exportDefaultInJsFile01.errors.txt | 2 ++ .../exportDefaultInJsFile02.errors.txt | 2 ++ ...tionAmbientVarDeclarationSyntax.errors.txt | 2 ++ ...CompilationEmitBlockedCorrectly.errors.txt | 2 ++ .../jsFileCompilationEnumSyntax.errors.txt | 2 ++ ...onsWithJsFileReferenceWithNoOut.errors.txt | 2 ++ ...mpilationExportAssignmentSyntax.errors.txt | 2 ++ ...tionHeritageClauseSyntaxOfClass.errors.txt | 2 ++ ...leCompilationImportEqualsSyntax.errors.txt | 2 ++ ...sFileCompilationInterfaceSyntax.errors.txt | 2 ++ .../jsFileCompilationModuleSyntax.errors.txt | 2 ++ ...onsWithJsFileReferenceWithNoOut.errors.txt | 2 ++ ...ileCompilationOptionalParameter.errors.txt | 2 ++ ...lationPublicMethodSyntaxOfClass.errors.txt | 2 ++ ...pilationPublicParameterModifier.errors.txt | 2 ++ ...ationReturnTypeSyntaxOfFunction.errors.txt | 2 ++ .../jsFileCompilationSyntaxError.errors.txt | 2 ++ ...sFileCompilationTypeAliasSyntax.errors.txt | 2 ++ ...ilationTypeArgumentSyntaxOfCall.errors.txt | 2 ++ ...jsFileCompilationTypeAssertions.errors.txt | 2 ++ ...sFileCompilationTypeOfParameter.errors.txt | 2 ++ ...ationTypeParameterSyntaxOfClass.errors.txt | 2 ++ ...onTypeParameterSyntaxOfFunction.errors.txt | 2 ++ ...sFileCompilationTypeSyntaxOfVar.errors.txt | 2 ++ ...hDeclarationEmitPathSameAsInput.errors.txt | 2 ++ ...lationWithJsEmitPathSameAsInput.errors.txt | 2 ++ ...sFileCompilationWithMapFileAsJs.errors.txt | 2 ++ ...hMapFileAsJsWithInlineSourceMap.errors.txt | 2 ++ ...rationFileNameSameAsInputJsFile.errors.txt | 2 ++ ...ithOutFileNameSameAsInputJsFile.errors.txt | 2 ++ .../jsFileCompilationWithoutOut.errors.txt | 2 ++ ...eNameDtsNotSpecifiedWithAllowJs.errors.txt | 2 ++ ...eNameDtsNotSpecifiedWithAllowJs.errors.txt | 2 ++ 40 files changed, 119 insertions(+), 12 deletions(-) diff --git a/src/compiler/core.ts b/src/compiler/core.ts index d8f8cff42a259..785933c44294a 100644 --- a/src/compiler/core.ts +++ b/src/compiler/core.ts @@ -1063,6 +1063,18 @@ namespace ts { }; } + export function createCompilerDiagnosticFromMessageChain(chain: DiagnosticMessageChain): Diagnostic { + return { + file: undefined, + start: undefined, + length: undefined, + + code: chain.code, + category: chain.category, + messageText: chain.next ? chain : chain.messageText + }; + } + export function chainDiagnosticMessages(details: DiagnosticMessageChain, message: DiagnosticMessage, ...args: any[]): DiagnosticMessageChain; export function chainDiagnosticMessages(details: DiagnosticMessageChain, message: DiagnosticMessage): DiagnosticMessageChain { let text = getLocaleSpecificMessage(message); diff --git a/src/compiler/diagnosticMessages.json b/src/compiler/diagnosticMessages.json index 526019e490834..184cd8e413e2e 100644 --- a/src/compiler/diagnosticMessages.json +++ b/src/compiler/diagnosticMessages.json @@ -3118,5 +3118,9 @@ "Implement inherited abstract class": { "category": "Message", "code": 90007 + }, + "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig": { + "category": "Error", + "code": 90009 } } diff --git a/src/compiler/program.ts b/src/compiler/program.ts index d7e4a4c2701d1..c9f3de0f3d7fa 100644 --- a/src/compiler/program.ts +++ b/src/compiler/program.ts @@ -239,11 +239,11 @@ namespace ts { const { line, character } = getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start); const fileName = diagnostic.file.fileName; const relativeFileName = convertToRelativePath(fileName, host.getCurrentDirectory(), fileName => host.getCanonicalFileName(fileName)); - output += `${ relativeFileName }(${ line + 1 },${ character + 1 }): `; + output += `${relativeFileName}(${line + 1},${character + 1}): `; } const category = DiagnosticCategory[diagnostic.category].toLowerCase(); - output += `${ category } TS${ diagnostic.code }: ${ flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()) }${ host.getNewLine() }`; + output += `${category} TS${diagnostic.code}: ${flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine())}${host.getNewLine()}`; } return output; } @@ -1316,11 +1316,11 @@ namespace ts { } else if (shouldAddFile) { findSourceFile(resolution.resolvedFileName, - toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), + toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), /*isDefaultLib*/ false, - file, - skipTrivia(file.text, file.imports[i].pos), - file.imports[i].end); + file, + skipTrivia(file.text, file.imports[i].pos), + file.imports[i].end); } if (isFromNodeModulesSearch) { @@ -1537,13 +1537,21 @@ namespace ts { const emitFilePath = toPath(emitFileName, currentDirectory, getCanonicalFileName); // Report error if the output overwrites input file if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + let chain: DiagnosticMessageChain; + if (!options.configFilePath) { + // The program is from either an inferred project or an external project + chain = chainDiagnosticMessages(/*details*/ undefined, Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain = chainDiagnosticMessages(chain, Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + const diagnostic = createCompilerDiagnosticFromMessageChain(chain); + createEmitBlockingDiagnostics(emitFileName, diagnostic); } // Report error if multiple files write into same file if (emitFilesSeen.contains(emitFilePath)) { // Already seen the same emit file - report error - createEmitBlockingDiagnostics(emitFileName, Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + const diagnostic = createCompilerDiagnostic(Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName); + createEmitBlockingDiagnostics(emitFileName, diagnostic); } else { emitFilesSeen.set(emitFilePath, true); @@ -1552,9 +1560,9 @@ namespace ts { } } - function createEmitBlockingDiagnostics(emitFileName: string, message: DiagnosticMessage) { + function createEmitBlockingDiagnostics(emitFileName: string, diag: Diagnostic) { hasEmitBlockingDiagnostics.set(toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(createCompilerDiagnostic(message, emitFileName)); + programDiagnostics.add(diag); } } } diff --git a/src/harness/fourslash.ts b/src/harness/fourslash.ts index e9fa5d6be2e80..adff02f48fb24 100644 --- a/src/harness/fourslash.ts +++ b/src/harness/fourslash.ts @@ -1274,7 +1274,19 @@ namespace FourSlash { resultString += "Diagnostics:" + Harness.IO.newLine(); const diagnostics = ts.getPreEmitDiagnostics(this.languageService.getProgram()); for (let i = 0, n = diagnostics.length; i < n; i++) { - resultString += " " + diagnostics[0].messageText + Harness.IO.newLine(); + const diagnostic = diagnostics[i]; + if (typeof diagnostic.messageText !== "string") { + let chainedMessage = diagnostic.messageText; + let indentation = " "; + while (chainedMessage) { + resultString += indentation + chainedMessage.messageText + Harness.IO.newLine(); + chainedMessage = chainedMessage.next; + indentation = indentation + " "; + } + } + else { + resultString += " " + diagnostic.messageText + Harness.IO.newLine(); + } } } diff --git a/tests/baselines/reference/compileOnSaveWorksWhenEmitBlockingErrorOnOtherFile.baseline b/tests/baselines/reference/compileOnSaveWorksWhenEmitBlockingErrorOnOtherFile.baseline index a088006d1450e..f8b479e6d7b7b 100644 --- a/tests/baselines/reference/compileOnSaveWorksWhenEmitBlockingErrorOnOtherFile.baseline +++ b/tests/baselines/reference/compileOnSaveWorksWhenEmitBlockingErrorOnOtherFile.baseline @@ -1,6 +1,7 @@ EmitSkipped: true Diagnostics: - Cannot write file '/tests/cases/fourslash/b.js' because it would overwrite input file. + Cannot write file '/tests/cases/fourslash/b.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig EmitSkipped: false FileName : /tests/cases/fourslash/a.js diff --git a/tests/baselines/reference/declarationFileOverwriteError.errors.txt b/tests/baselines/reference/declarationFileOverwriteError.errors.txt index 1974976dee1fe..211469778b1fe 100644 --- a/tests/baselines/reference/declarationFileOverwriteError.errors.txt +++ b/tests/baselines/reference/declarationFileOverwriteError.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.d.ts' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/a.d.ts' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.d.ts (0 errors) ==== declare class c { diff --git a/tests/baselines/reference/declarationFileOverwriteErrorWithOut.errors.txt b/tests/baselines/reference/declarationFileOverwriteErrorWithOut.errors.txt index 658465de9c2d2..ea4a93b3b12db 100644 --- a/tests/baselines/reference/declarationFileOverwriteErrorWithOut.errors.txt +++ b/tests/baselines/reference/declarationFileOverwriteErrorWithOut.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/out.d.ts' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/out.d.ts' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/out.d.ts (0 errors) ==== declare class c { diff --git a/tests/baselines/reference/exportDefaultInJsFile01.errors.txt b/tests/baselines/reference/exportDefaultInJsFile01.errors.txt index 34035e1e14e73..0565c8bd61ef2 100644 --- a/tests/baselines/reference/exportDefaultInJsFile01.errors.txt +++ b/tests/baselines/reference/exportDefaultInJsFile01.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile01.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile01.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/conformance/salsa/myFile01.js (0 errors) ==== export default "hello"; \ No newline at end of file diff --git a/tests/baselines/reference/exportDefaultInJsFile02.errors.txt b/tests/baselines/reference/exportDefaultInJsFile02.errors.txt index 5e17306e066f5..a74fbacfcfd87 100644 --- a/tests/baselines/reference/exportDefaultInJsFile02.errors.txt +++ b/tests/baselines/reference/exportDefaultInJsFile02.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile02.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile02.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/conformance/salsa/myFile02.js (0 errors) ==== export default "hello"; \ No newline at end of file diff --git a/tests/baselines/reference/jsFileCompilationAmbientVarDeclarationSyntax.errors.txt b/tests/baselines/reference/jsFileCompilationAmbientVarDeclarationSyntax.errors.txt index 19bfd5d1c0205..039834ff702af 100644 --- a/tests/baselines/reference/jsFileCompilationAmbientVarDeclarationSyntax.errors.txt +++ b/tests/baselines/reference/jsFileCompilationAmbientVarDeclarationSyntax.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,1): error TS8009: 'declare' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== declare var v; ~~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationEmitBlockedCorrectly.errors.txt b/tests/baselines/reference/jsFileCompilationEmitBlockedCorrectly.errors.txt index 0aa9d5733d532..75bcf88b10a13 100644 --- a/tests/baselines/reference/jsFileCompilationEmitBlockedCorrectly.errors.txt +++ b/tests/baselines/reference/jsFileCompilationEmitBlockedCorrectly.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig error TS5056: Cannot write file 'tests/cases/compiler/a.js' because it would be overwritten by multiple input files. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5056: Cannot write file 'tests/cases/compiler/a.js' because it would be overwritten by multiple input files. ==== tests/cases/compiler/a.ts (0 errors) ==== class c { diff --git a/tests/baselines/reference/jsFileCompilationEnumSyntax.errors.txt b/tests/baselines/reference/jsFileCompilationEnumSyntax.errors.txt index 538dfb38972bc..c6da8931d5e3e 100644 --- a/tests/baselines/reference/jsFileCompilationEnumSyntax.errors.txt +++ b/tests/baselines/reference/jsFileCompilationEnumSyntax.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,6): error TS8015: 'enum declarations' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== enum E { } ~ diff --git a/tests/baselines/reference/jsFileCompilationErrorOnDeclarationsWithJsFileReferenceWithNoOut.errors.txt b/tests/baselines/reference/jsFileCompilationErrorOnDeclarationsWithJsFileReferenceWithNoOut.errors.txt index 641731936f84a..54e91c5d1961e 100644 --- a/tests/baselines/reference/jsFileCompilationErrorOnDeclarationsWithJsFileReferenceWithNoOut.errors.txt +++ b/tests/baselines/reference/jsFileCompilationErrorOnDeclarationsWithJsFileReferenceWithNoOut.errors.txt @@ -1,9 +1,11 @@ error TS5053: Option 'allowJs' cannot be specified with option 'declaration'. error TS5055: Cannot write file 'tests/cases/compiler/c.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'. !!! error TS5055: Cannot write file 'tests/cases/compiler/c.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.ts (0 errors) ==== class c { } diff --git a/tests/baselines/reference/jsFileCompilationExportAssignmentSyntax.errors.txt b/tests/baselines/reference/jsFileCompilationExportAssignmentSyntax.errors.txt index f537941c55cf1..babbeea800455 100644 --- a/tests/baselines/reference/jsFileCompilationExportAssignmentSyntax.errors.txt +++ b/tests/baselines/reference/jsFileCompilationExportAssignmentSyntax.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,1): error TS8003: 'export=' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== export = b; ~~~~~~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationHeritageClauseSyntaxOfClass.errors.txt b/tests/baselines/reference/jsFileCompilationHeritageClauseSyntaxOfClass.errors.txt index 33b8a45f1aab0..3b30663308fa5 100644 --- a/tests/baselines/reference/jsFileCompilationHeritageClauseSyntaxOfClass.errors.txt +++ b/tests/baselines/reference/jsFileCompilationHeritageClauseSyntaxOfClass.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,9): error TS8005: 'implements clauses' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== class C implements D { } ~~~~~~~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationImportEqualsSyntax.errors.txt b/tests/baselines/reference/jsFileCompilationImportEqualsSyntax.errors.txt index b416136703755..a064f53e92fa4 100644 --- a/tests/baselines/reference/jsFileCompilationImportEqualsSyntax.errors.txt +++ b/tests/baselines/reference/jsFileCompilationImportEqualsSyntax.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,1): error TS8002: 'import ... =' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== import a = b; ~~~~~~~~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationInterfaceSyntax.errors.txt b/tests/baselines/reference/jsFileCompilationInterfaceSyntax.errors.txt index 17fb8fcb18741..9e53438c732fd 100644 --- a/tests/baselines/reference/jsFileCompilationInterfaceSyntax.errors.txt +++ b/tests/baselines/reference/jsFileCompilationInterfaceSyntax.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,11): error TS8006: 'interface declarations' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== interface I { } ~ diff --git a/tests/baselines/reference/jsFileCompilationModuleSyntax.errors.txt b/tests/baselines/reference/jsFileCompilationModuleSyntax.errors.txt index 662028c53ed93..6952c0055c0ee 100644 --- a/tests/baselines/reference/jsFileCompilationModuleSyntax.errors.txt +++ b/tests/baselines/reference/jsFileCompilationModuleSyntax.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,8): error TS8007: 'module declarations' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== module M { } ~ diff --git a/tests/baselines/reference/jsFileCompilationNoErrorWithoutDeclarationsWithJsFileReferenceWithNoOut.errors.txt b/tests/baselines/reference/jsFileCompilationNoErrorWithoutDeclarationsWithJsFileReferenceWithNoOut.errors.txt index f2f4142b99380..888310414f275 100644 --- a/tests/baselines/reference/jsFileCompilationNoErrorWithoutDeclarationsWithJsFileReferenceWithNoOut.errors.txt +++ b/tests/baselines/reference/jsFileCompilationNoErrorWithoutDeclarationsWithJsFileReferenceWithNoOut.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/c.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/c.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.ts (0 errors) ==== class c { } diff --git a/tests/baselines/reference/jsFileCompilationOptionalParameter.errors.txt b/tests/baselines/reference/jsFileCompilationOptionalParameter.errors.txt index 295f827dd2d7c..15bfe2281d96f 100644 --- a/tests/baselines/reference/jsFileCompilationOptionalParameter.errors.txt +++ b/tests/baselines/reference/jsFileCompilationOptionalParameter.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,13): error TS8009: '?' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== function F(p?) { } ~ diff --git a/tests/baselines/reference/jsFileCompilationPublicMethodSyntaxOfClass.errors.txt b/tests/baselines/reference/jsFileCompilationPublicMethodSyntaxOfClass.errors.txt index d67c9baea70e5..af95c13620559 100644 --- a/tests/baselines/reference/jsFileCompilationPublicMethodSyntaxOfClass.errors.txt +++ b/tests/baselines/reference/jsFileCompilationPublicMethodSyntaxOfClass.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(2,5): error TS8009: 'public' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== class C { public foo() { diff --git a/tests/baselines/reference/jsFileCompilationPublicParameterModifier.errors.txt b/tests/baselines/reference/jsFileCompilationPublicParameterModifier.errors.txt index bc4913f6217b4..9314e1da807aa 100644 --- a/tests/baselines/reference/jsFileCompilationPublicParameterModifier.errors.txt +++ b/tests/baselines/reference/jsFileCompilationPublicParameterModifier.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,23): error TS8012: 'parameter modifiers' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== class C { constructor(public x) { }} ~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationReturnTypeSyntaxOfFunction.errors.txt b/tests/baselines/reference/jsFileCompilationReturnTypeSyntaxOfFunction.errors.txt index 6dad5a294854c..acae950d0816a 100644 --- a/tests/baselines/reference/jsFileCompilationReturnTypeSyntaxOfFunction.errors.txt +++ b/tests/baselines/reference/jsFileCompilationReturnTypeSyntaxOfFunction.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,15): error TS8010: 'types' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== function F(): number { } ~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationSyntaxError.errors.txt b/tests/baselines/reference/jsFileCompilationSyntaxError.errors.txt index d98a1e7e7bbc8..eb4c114d3d074 100644 --- a/tests/baselines/reference/jsFileCompilationSyntaxError.errors.txt +++ b/tests/baselines/reference/jsFileCompilationSyntaxError.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (0 errors) ==== /** * @type {number} diff --git a/tests/baselines/reference/jsFileCompilationTypeAliasSyntax.errors.txt b/tests/baselines/reference/jsFileCompilationTypeAliasSyntax.errors.txt index 2b5112e1ce2ed..74978eddf8ce1 100644 --- a/tests/baselines/reference/jsFileCompilationTypeAliasSyntax.errors.txt +++ b/tests/baselines/reference/jsFileCompilationTypeAliasSyntax.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,6): error TS8008: 'type aliases' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== type a = b; ~ diff --git a/tests/baselines/reference/jsFileCompilationTypeArgumentSyntaxOfCall.errors.txt b/tests/baselines/reference/jsFileCompilationTypeArgumentSyntaxOfCall.errors.txt index 8ac59196ed960..f53ec55d2b1e0 100644 --- a/tests/baselines/reference/jsFileCompilationTypeArgumentSyntaxOfCall.errors.txt +++ b/tests/baselines/reference/jsFileCompilationTypeArgumentSyntaxOfCall.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,5): error TS8011: 'type arguments' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== Foo(); ~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationTypeAssertions.errors.txt b/tests/baselines/reference/jsFileCompilationTypeAssertions.errors.txt index 662eea4d4050c..be1e6d3243699 100644 --- a/tests/baselines/reference/jsFileCompilationTypeAssertions.errors.txt +++ b/tests/baselines/reference/jsFileCompilationTypeAssertions.errors.txt @@ -1,9 +1,11 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,10): error TS17008: JSX element 'string' has no corresponding closing tag. tests/cases/compiler/a.js(1,27): error TS1005: 'undefined; ~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationTypeOfParameter.errors.txt b/tests/baselines/reference/jsFileCompilationTypeOfParameter.errors.txt index 680b32a64f1ad..811c0793ffe15 100644 --- a/tests/baselines/reference/jsFileCompilationTypeOfParameter.errors.txt +++ b/tests/baselines/reference/jsFileCompilationTypeOfParameter.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,15): error TS8010: 'types' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== function F(a: number) { } ~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfClass.errors.txt b/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfClass.errors.txt index 161c832ffd5d4..0fe902aa661cb 100644 --- a/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfClass.errors.txt +++ b/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfClass.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,9): error TS8004: 'type parameter declarations' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== class C { } ~ diff --git a/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfFunction.errors.txt b/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfFunction.errors.txt index d7626f68564cf..bfc4c7be26a4d 100644 --- a/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfFunction.errors.txt +++ b/tests/baselines/reference/jsFileCompilationTypeParameterSyntaxOfFunction.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,12): error TS8004: 'type parameter declarations' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== function F() { } ~ diff --git a/tests/baselines/reference/jsFileCompilationTypeSyntaxOfVar.errors.txt b/tests/baselines/reference/jsFileCompilationTypeSyntaxOfVar.errors.txt index 2c6ac3771bef8..653337517800b 100644 --- a/tests/baselines/reference/jsFileCompilationTypeSyntaxOfVar.errors.txt +++ b/tests/baselines/reference/jsFileCompilationTypeSyntaxOfVar.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig tests/cases/compiler/a.js(1,8): error TS8010: 'types' can only be used in a .ts file. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.js (1 errors) ==== var v: () => number; ~~~~~~~~~~~~ diff --git a/tests/baselines/reference/jsFileCompilationWithDeclarationEmitPathSameAsInput.errors.txt b/tests/baselines/reference/jsFileCompilationWithDeclarationEmitPathSameAsInput.errors.txt index 9e9c2adb0efa2..4170e818fd76b 100644 --- a/tests/baselines/reference/jsFileCompilationWithDeclarationEmitPathSameAsInput.errors.txt +++ b/tests/baselines/reference/jsFileCompilationWithDeclarationEmitPathSameAsInput.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.d.ts' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/a.d.ts' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.ts (0 errors) ==== class c { } diff --git a/tests/baselines/reference/jsFileCompilationWithJsEmitPathSameAsInput.errors.txt b/tests/baselines/reference/jsFileCompilationWithJsEmitPathSameAsInput.errors.txt index 4cc2cc2ab4547..8004efd02eff4 100644 --- a/tests/baselines/reference/jsFileCompilationWithJsEmitPathSameAsInput.errors.txt +++ b/tests/baselines/reference/jsFileCompilationWithJsEmitPathSameAsInput.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig error TS5056: Cannot write file 'tests/cases/compiler/a.js' because it would be overwritten by multiple input files. !!! error TS5055: Cannot write file 'tests/cases/compiler/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5056: Cannot write file 'tests/cases/compiler/a.js' because it would be overwritten by multiple input files. ==== tests/cases/compiler/a.ts (0 errors) ==== class c { diff --git a/tests/baselines/reference/jsFileCompilationWithMapFileAsJs.errors.txt b/tests/baselines/reference/jsFileCompilationWithMapFileAsJs.errors.txt index 06186b9f0b2fc..069c562f29bf8 100644 --- a/tests/baselines/reference/jsFileCompilationWithMapFileAsJs.errors.txt +++ b/tests/baselines/reference/jsFileCompilationWithMapFileAsJs.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig error TS6054: File 'tests/cases/compiler/b.js.map' has unsupported extension. The only supported extensions are '.ts', '.tsx', '.d.ts', '.js', '.jsx'. !!! error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS6054: File 'tests/cases/compiler/b.js.map' has unsupported extension. The only supported extensions are '.ts', '.tsx', '.d.ts', '.js', '.jsx'. ==== tests/cases/compiler/a.ts (0 errors) ==== diff --git a/tests/baselines/reference/jsFileCompilationWithMapFileAsJsWithInlineSourceMap.errors.txt b/tests/baselines/reference/jsFileCompilationWithMapFileAsJsWithInlineSourceMap.errors.txt index 06186b9f0b2fc..069c562f29bf8 100644 --- a/tests/baselines/reference/jsFileCompilationWithMapFileAsJsWithInlineSourceMap.errors.txt +++ b/tests/baselines/reference/jsFileCompilationWithMapFileAsJsWithInlineSourceMap.errors.txt @@ -1,8 +1,10 @@ error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig error TS6054: File 'tests/cases/compiler/b.js.map' has unsupported extension. The only supported extensions are '.ts', '.tsx', '.d.ts', '.js', '.jsx'. !!! error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS6054: File 'tests/cases/compiler/b.js.map' has unsupported extension. The only supported extensions are '.ts', '.tsx', '.d.ts', '.js', '.jsx'. ==== tests/cases/compiler/a.ts (0 errors) ==== diff --git a/tests/baselines/reference/jsFileCompilationWithOutDeclarationFileNameSameAsInputJsFile.errors.txt b/tests/baselines/reference/jsFileCompilationWithOutDeclarationFileNameSameAsInputJsFile.errors.txt index 10c7b8c90ddad..0a4f0cdf1a45b 100644 --- a/tests/baselines/reference/jsFileCompilationWithOutDeclarationFileNameSameAsInputJsFile.errors.txt +++ b/tests/baselines/reference/jsFileCompilationWithOutDeclarationFileNameSameAsInputJsFile.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/b.d.ts' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/b.d.ts' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.ts (0 errors) ==== class c { } diff --git a/tests/baselines/reference/jsFileCompilationWithOutFileNameSameAsInputJsFile.errors.txt b/tests/baselines/reference/jsFileCompilationWithOutFileNameSameAsInputJsFile.errors.txt index 0f6852b21a0a2..3f72a8113ef2c 100644 --- a/tests/baselines/reference/jsFileCompilationWithOutFileNameSameAsInputJsFile.errors.txt +++ b/tests/baselines/reference/jsFileCompilationWithOutFileNameSameAsInputJsFile.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.ts (0 errors) ==== class c { } diff --git a/tests/baselines/reference/jsFileCompilationWithoutOut.errors.txt b/tests/baselines/reference/jsFileCompilationWithoutOut.errors.txt index 0f6852b21a0a2..3f72a8113ef2c 100644 --- a/tests/baselines/reference/jsFileCompilationWithoutOut.errors.txt +++ b/tests/baselines/reference/jsFileCompilationWithoutOut.errors.txt @@ -1,7 +1,9 @@ error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5055: Cannot write file 'tests/cases/compiler/b.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== tests/cases/compiler/a.ts (0 errors) ==== class c { } diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/amd/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/amd/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt index ac25edc1bd565..668f037a03b4d 100644 --- a/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/amd/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt +++ b/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/amd/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt @@ -1,9 +1,11 @@ error TS5053: Option 'allowJs' cannot be specified with option 'declaration'. error TS5055: Cannot write file 'SameNameDTsNotSpecifiedWithAllowJs/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'. !!! error TS5055: Cannot write file 'SameNameDTsNotSpecifiedWithAllowJs/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== SameNameDTsNotSpecifiedWithAllowJs/a.d.ts (0 errors) ==== declare var a: number; ==== SameNameDTsNotSpecifiedWithAllowJs/a.js (0 errors) ==== diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/node/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/node/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt index ac25edc1bd565..668f037a03b4d 100644 --- a/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/node/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt +++ b/tests/baselines/reference/project/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs/node/jsFileCompilationSameNameDtsNotSpecifiedWithAllowJs.errors.txt @@ -1,9 +1,11 @@ error TS5053: Option 'allowJs' cannot be specified with option 'declaration'. error TS5055: Cannot write file 'SameNameDTsNotSpecifiedWithAllowJs/a.js' because it would overwrite input file. + Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig !!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'. !!! error TS5055: Cannot write file 'SameNameDTsNotSpecifiedWithAllowJs/a.js' because it would overwrite input file. +!!! error TS5055: Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig ==== SameNameDTsNotSpecifiedWithAllowJs/a.d.ts (0 errors) ==== declare var a: number; ==== SameNameDTsNotSpecifiedWithAllowJs/a.js (0 errors) ==== From 73e2328acb68918a355b509aca72df322ad7d142 Mon Sep 17 00:00:00 2001 From: Zhengbo Li Date: Thu, 3 Nov 2016 10:25:12 -0700 Subject: [PATCH 17/31] Flag for not overwrite js files by default without generating errors (#11980) * WIP * Properly naming things * refactor * apply the option to all files and check out options * Fix typo --- src/compiler/program.ts | 27 ++++++++++++++++----------- src/compiler/types.ts | 1 + src/server/project.ts | 4 ++++ 3 files changed, 21 insertions(+), 11 deletions(-) diff --git a/src/compiler/program.ts b/src/compiler/program.ts index c9f3de0f3d7fa..3b6ae08984a7f 100644 --- a/src/compiler/program.ts +++ b/src/compiler/program.ts @@ -1537,21 +1537,24 @@ namespace ts { const emitFilePath = toPath(emitFileName, currentDirectory, getCanonicalFileName); // Report error if the output overwrites input file if (filesByName.contains(emitFilePath)) { - let chain: DiagnosticMessageChain; - if (!options.configFilePath) { - // The program is from either an inferred project or an external project - chain = chainDiagnosticMessages(/*details*/ undefined, Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + if (options.noEmitOverwritenFiles && !options.out && !options.outDir && !options.outFile) { + blockEmittingOfFile(emitFileName); + } + else { + let chain: DiagnosticMessageChain; + if (!options.configFilePath) { + // The program is from either an inferred project or an external project + chain = chainDiagnosticMessages(/*details*/ undefined, Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain = chainDiagnosticMessages(chain, Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + blockEmittingOfFile(emitFileName, createCompilerDiagnosticFromMessageChain(chain)); } - chain = chainDiagnosticMessages(chain, Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); - const diagnostic = createCompilerDiagnosticFromMessageChain(chain); - createEmitBlockingDiagnostics(emitFileName, diagnostic); } // Report error if multiple files write into same file if (emitFilesSeen.contains(emitFilePath)) { // Already seen the same emit file - report error - const diagnostic = createCompilerDiagnostic(Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName); - createEmitBlockingDiagnostics(emitFileName, diagnostic); + blockEmittingOfFile(emitFileName, createCompilerDiagnostic(Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName)); } else { emitFilesSeen.set(emitFilePath, true); @@ -1560,9 +1563,11 @@ namespace ts { } } - function createEmitBlockingDiagnostics(emitFileName: string, diag: Diagnostic) { + function blockEmittingOfFile(emitFileName: string, diag?: Diagnostic) { hasEmitBlockingDiagnostics.set(toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(diag); + if (diag) { + programDiagnostics.add(diag); + } } } } diff --git a/src/compiler/types.ts b/src/compiler/types.ts index e6c13235c9b8a..458173d88f1a6 100644 --- a/src/compiler/types.ts +++ b/src/compiler/types.ts @@ -2984,6 +2984,7 @@ namespace ts { moduleResolution?: ModuleResolutionKind; newLine?: NewLineKind; noEmit?: boolean; + /*@internal*/noEmitOverwritenFiles?: boolean; noEmitHelpers?: boolean; noEmitOnError?: boolean; noErrorTruncation?: boolean; diff --git a/src/server/project.ts b/src/server/project.ts index 5f4f8d4049027..8b134d3fe1cc3 100644 --- a/src/server/project.ts +++ b/src/server/project.ts @@ -161,6 +161,10 @@ namespace ts.server { this.compilerOptions.allowNonTsExtensions = true; } + if (this.projectKind === ProjectKind.Inferred) { + this.compilerOptions.noEmitOverwritenFiles = true; + } + if (languageServiceEnabled) { this.enableLanguageService(); } From b98089dc53e0ce6c4e61815a95fdcd4b5dfb0fcb Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Thu, 3 Nov 2016 10:35:23 -0700 Subject: [PATCH 18/31] Update LKG --- lib/tsc.js | 38 ++++++++++++++++++---- lib/tsserver.js | 41 +++++++++++++++++++---- lib/tsserverlibrary.d.ts | 8 +++++ lib/tsserverlibrary.js | 41 +++++++++++++++++++---- lib/typescript.js | 68 ++++++++++++++++++++++++++++++++------- lib/typescriptServices.js | 68 ++++++++++++++++++++++++++++++++------- lib/typingsInstaller.js | 12 +++++++ 7 files changed, 234 insertions(+), 42 deletions(-) diff --git a/lib/tsc.js b/lib/tsc.js index e190108c5bc63..bcaf43bad9ee6 100644 --- a/lib/tsc.js +++ b/lib/tsc.js @@ -966,6 +966,17 @@ var ts; }; } ts.createCompilerDiagnostic = createCompilerDiagnostic; + function createCompilerDiagnosticFromMessageChain(chain) { + return { + file: undefined, + start: undefined, + length: undefined, + code: chain.code, + category: chain.category, + messageText: chain.next ? chain : chain.messageText + }; + } + ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain; function chainDiagnosticMessages(details, message) { var text = getLocaleSpecificMessage(message); if (arguments.length > 2) { @@ -3041,6 +3052,7 @@ var ts; Implement_interface_on_reference: { code: 90005, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_reference_90005", message: "Implement interface on reference" }, Implement_interface_on_class: { code: 90006, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_class_90006", message: "Implement interface on class" }, Implement_inherited_abstract_class: { code: 90007, category: ts.DiagnosticCategory.Message, key: "Implement_inherited_abstract_class_90007", message: "Implement inherited abstract class" }, + Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { code: 90009, category: ts.DiagnosticCategory.Error, key: "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", message: "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig" }, }; })(ts || (ts = {})); var ts; @@ -20148,7 +20160,9 @@ var ts; else if (getObjectFlags(type) & 3 || type.flags & (16 | 16384)) { buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); } - else if (!(flags & 512) && ((getObjectFlags(type) & 16 && !type.target) || type.flags & 196608) && type.aliasSymbol && + else if (!(flags & 512) && + (getObjectFlags(type) & 16 && !type.target || type.flags & 196608) && + type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); @@ -20257,7 +20271,7 @@ var ts; } else if (ts.contains(symbolStack, symbol)) { var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { + if (typeAlias && !type.target) { buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags); } else { @@ -48026,10 +48040,20 @@ var ts; if (emitFileName) { var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + if (options.noEmitOverwritenFiles && !options.out && !options.outDir && !options.outFile) { + blockEmittingOfFile(emitFileName); + } + else { + var chain_1; + if (!options.configFilePath) { + chain_1 = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain_1)); + } } if (emitFilesSeen.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName)); } else { emitFilesSeen.set(emitFilePath, true); @@ -48037,9 +48061,11 @@ var ts; } } } - function createEmitBlockingDiagnostics(emitFileName, message) { + function blockEmittingOfFile(emitFileName, diag) { hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + if (diag) { + programDiagnostics.add(diag); + } } } ts.createProgram = createProgram; diff --git a/lib/tsserver.js b/lib/tsserver.js index 75110bce98d65..86952bdb0275b 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -971,6 +971,17 @@ var ts; }; } ts.createCompilerDiagnostic = createCompilerDiagnostic; + function createCompilerDiagnosticFromMessageChain(chain) { + return { + file: undefined, + start: undefined, + length: undefined, + code: chain.code, + category: chain.category, + messageText: chain.next ? chain : chain.messageText + }; + } + ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain; function chainDiagnosticMessages(details, message) { var text = getLocaleSpecificMessage(message); if (arguments.length > 2) { @@ -3046,6 +3057,7 @@ var ts; Implement_interface_on_reference: { code: 90005, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_reference_90005", message: "Implement interface on reference" }, Implement_interface_on_class: { code: 90006, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_class_90006", message: "Implement interface on class" }, Implement_inherited_abstract_class: { code: 90007, category: ts.DiagnosticCategory.Message, key: "Implement_inherited_abstract_class_90007", message: "Implement inherited abstract class" }, + Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { code: 90009, category: ts.DiagnosticCategory.Error, key: "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", message: "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig" }, }; })(ts || (ts = {})); var ts; @@ -21653,7 +21665,9 @@ var ts; else if (getObjectFlags(type) & 3 || type.flags & (16 | 16384)) { buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); } - else if (!(flags & 512) && ((getObjectFlags(type) & 16 && !type.target) || type.flags & 196608) && type.aliasSymbol && + else if (!(flags & 512) && + (getObjectFlags(type) & 16 && !type.target || type.flags & 196608) && + type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); @@ -21762,7 +21776,7 @@ var ts; } else if (ts.contains(symbolStack, symbol)) { var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { + if (typeAlias && !type.target) { buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags); } else { @@ -49531,10 +49545,20 @@ var ts; if (emitFileName) { var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + if (options.noEmitOverwritenFiles && !options.out && !options.outDir && !options.outFile) { + blockEmittingOfFile(emitFileName); + } + else { + var chain_1; + if (!options.configFilePath) { + chain_1 = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain_1)); + } } if (emitFilesSeen.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName)); } else { emitFilesSeen.set(emitFilePath, true); @@ -49542,9 +49566,11 @@ var ts; } } } - function createEmitBlockingDiagnostics(emitFileName, message) { + function blockEmittingOfFile(emitFileName, diag) { hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + if (diag) { + programDiagnostics.add(diag); + } } } ts.createProgram = createProgram; @@ -62510,6 +62536,9 @@ var ts; else if (hasExplicitListOfFiles) { this.compilerOptions.allowNonTsExtensions = true; } + if (this.projectKind === ProjectKind.Inferred) { + this.compilerOptions.noEmitOverwritenFiles = true; + } if (languageServiceEnabled) { this.enableLanguageService(); } diff --git a/lib/tsserverlibrary.d.ts b/lib/tsserverlibrary.d.ts index 5005e5831b70c..5ff54e33d7b44 100644 --- a/lib/tsserverlibrary.d.ts +++ b/lib/tsserverlibrary.d.ts @@ -2924,6 +2924,7 @@ declare namespace ts { moduleResolution?: ModuleResolutionKind; newLine?: NewLineKind; noEmit?: boolean; + noEmitOverwritenFiles?: boolean; noEmitHelpers?: boolean; noEmitOnError?: boolean; noErrorTruncation?: boolean; @@ -3445,6 +3446,7 @@ declare namespace ts { function createFileDiagnostic(file: SourceFile, start: number, length: number, message: DiagnosticMessage, ...args: (string | number)[]): Diagnostic; function formatMessage(_dummy: any, message: DiagnosticMessage): string; function createCompilerDiagnostic(message: DiagnosticMessage, ...args: (string | number)[]): Diagnostic; + function createCompilerDiagnosticFromMessageChain(chain: DiagnosticMessageChain): Diagnostic; function chainDiagnosticMessages(details: DiagnosticMessageChain, message: DiagnosticMessage, ...args: any[]): DiagnosticMessageChain; function concatenateDiagnosticMessageChains(headChain: DiagnosticMessageChain, tailChain: DiagnosticMessageChain): DiagnosticMessageChain; function compareValues(a: T, b: T): Comparison; @@ -8272,6 +8274,12 @@ declare namespace ts { key: string; message: string; }; + Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { + code: number; + category: DiagnosticCategory; + key: string; + message: string; + }; }; } declare namespace ts { diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js index e8ee1ffb7b7a5..28bd566bf5c22 100644 --- a/lib/tsserverlibrary.js +++ b/lib/tsserverlibrary.js @@ -971,6 +971,17 @@ var ts; }; } ts.createCompilerDiagnostic = createCompilerDiagnostic; + function createCompilerDiagnosticFromMessageChain(chain) { + return { + file: undefined, + start: undefined, + length: undefined, + code: chain.code, + category: chain.category, + messageText: chain.next ? chain : chain.messageText + }; + } + ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain; function chainDiagnosticMessages(details, message) { var text = getLocaleSpecificMessage(message); if (arguments.length > 2) { @@ -3046,6 +3057,7 @@ var ts; Implement_interface_on_reference: { code: 90005, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_reference_90005", message: "Implement interface on reference" }, Implement_interface_on_class: { code: 90006, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_class_90006", message: "Implement interface on class" }, Implement_inherited_abstract_class: { code: 90007, category: ts.DiagnosticCategory.Message, key: "Implement_inherited_abstract_class_90007", message: "Implement inherited abstract class" }, + Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { code: 90009, category: ts.DiagnosticCategory.Error, key: "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", message: "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig" }, }; })(ts || (ts = {})); var ts; @@ -21653,7 +21665,9 @@ var ts; else if (getObjectFlags(type) & 3 || type.flags & (16 | 16384)) { buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags); } - else if (!(flags & 512) && ((getObjectFlags(type) & 16 && !type.target) || type.flags & 196608) && type.aliasSymbol && + else if (!(flags & 512) && + (getObjectFlags(type) & 16 && !type.target || type.flags & 196608) && + type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) { var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); @@ -21762,7 +21776,7 @@ var ts; } else if (ts.contains(symbolStack, symbol)) { var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { + if (typeAlias && !type.target) { buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags); } else { @@ -49531,10 +49545,20 @@ var ts; if (emitFileName) { var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + if (options.noEmitOverwritenFiles && !options.out && !options.outDir && !options.outFile) { + blockEmittingOfFile(emitFileName); + } + else { + var chain_1; + if (!options.configFilePath) { + chain_1 = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain_1)); + } } if (emitFilesSeen.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName)); } else { emitFilesSeen.set(emitFilePath, true); @@ -49542,9 +49566,11 @@ var ts; } } } - function createEmitBlockingDiagnostics(emitFileName, message) { + function blockEmittingOfFile(emitFileName, diag) { hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + if (diag) { + programDiagnostics.add(diag); + } } } ts.createProgram = createProgram; @@ -62510,6 +62536,9 @@ var ts; else if (hasExplicitListOfFiles) { this.compilerOptions.allowNonTsExtensions = true; } + if (this.projectKind === ProjectKind.Inferred) { + this.compilerOptions.noEmitOverwritenFiles = true; + } if (languageServiceEnabled) { this.enableLanguageService(); } diff --git a/lib/typescript.js b/lib/typescript.js index 0aef63d6c6758..83494513a5f03 100644 --- a/lib/typescript.js +++ b/lib/typescript.js @@ -2148,6 +2148,17 @@ var ts; }; } ts.createCompilerDiagnostic = createCompilerDiagnostic; + function createCompilerDiagnosticFromMessageChain(chain) { + return { + file: undefined, + start: undefined, + length: undefined, + code: chain.code, + category: chain.category, + messageText: chain.next ? chain : chain.messageText + }; + } + ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain; function chainDiagnosticMessages(details, message) { var text = getLocaleSpecificMessage(message); if (arguments.length > 2) { @@ -4411,6 +4422,7 @@ var ts; Implement_interface_on_reference: { code: 90005, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_reference_90005", message: "Implement interface on reference" }, Implement_interface_on_class: { code: 90006, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_class_90006", message: "Implement interface on class" }, Implement_inherited_abstract_class: { code: 90007, category: ts.DiagnosticCategory.Message, key: "Implement_inherited_abstract_class_90007", message: "Implement inherited abstract class" }, + Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { code: 90009, category: ts.DiagnosticCategory.Error, key: "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", message: "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig" }, }; })(ts || (ts = {})); /// @@ -24845,14 +24857,31 @@ var ts; // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064 /* Type */, 0 /* None */, nextFlags); } - else if (!(flags & 512 /* InTypeAlias */) && ((getObjectFlags(type) & 16 /* Anonymous */ && !type.target) || type.flags & 196608 /* UnionOrIntersection */) && type.aliasSymbol && + else if (!(flags & 512 /* InTypeAlias */) && + (getObjectFlags(type) & 16 /* Anonymous */ && !type.target || type.flags & 196608 /* UnionOrIntersection */) && + type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064 /* Type */, /*shouldComputeAliasesToMakeVisible*/ false).accessibility === 0 /* Accessible */) { - // We emit inferred type as type-alias at the current localtion if all the following is true - // the input type is has alias symbol that is accessible - // the input type is a union, intersection or anonymous type that is fully instantiated (if not we want to keep dive into) - // e.g.: export type Bar = () => [X, Y]; - // export type Foo = Bar; - // export const y = (x: Foo) => 1 // we want to emit as ...x: () => [any, string]) + // We emit inferred type as type-alias if type is not in type-alias declaration, existed accessible alias-symbol, type is anonymous or union or intersection. + // However, if the type is an anonymous type with type arguments, we need to perform additional check. + // 1) No type arguments, just emit type-alias as is + // 2) Existed type arguments, check if the type arguments full fill all type parameters of the alias-symbol by + // checking whether the target's aliasTypeArguments has the same size as type's aliasTypeArguments: + // i.e + // type Foo = { + // foo(): Foo + // }; + // function foo() { + // return {} as Foo; + // } + // Should be emitted as + // declare type Foo = { + // foo(): Foo; + // }; + // declare function foo(): Foo; + // Otherwise type-alias is point to another generic type-alias then don't write it using alias symbol + // export type Bar = () => [X, Y]; + // export type Foo = Bar; + // export const y = (x: Foo) => 1 // this should be emit as "export declare const y: (x: () => [any, string]) => number;" var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); } @@ -24971,7 +25000,9 @@ var ts; else if (ts.contains(symbolStack, symbol)) { // If type is an anonymous type literal in a type alias declaration, use type alias name var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { + // We only want to use type-alias here if the typeAlias is not a generic one. (i.e it doesn't have a target type) + // If it is a generic type-alias just write out "any" + if (typeAlias && !type.target) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064 /* Type */, 0 /* None */, flags); } @@ -60182,12 +60213,23 @@ var ts; var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); // Report error if the output overwrites input file if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + if (options.noEmitOverwritenFiles && !options.out && !options.outDir && !options.outFile) { + blockEmittingOfFile(emitFileName); + } + else { + var chain_1; + if (!options.configFilePath) { + // The program is from either an inferred project or an external project + chain_1 = ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain_1)); + } } // Report error if multiple files write into same file if (emitFilesSeen.contains(emitFilePath)) { // Already seen the same emit file - report error - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName)); } else { emitFilesSeen.set(emitFilePath, true); @@ -60195,9 +60237,11 @@ var ts; } } } - function createEmitBlockingDiagnostics(emitFileName, message) { + function blockEmittingOfFile(emitFileName, diag) { hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + if (diag) { + programDiagnostics.add(diag); + } } } ts.createProgram = createProgram; diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js index 0aef63d6c6758..83494513a5f03 100644 --- a/lib/typescriptServices.js +++ b/lib/typescriptServices.js @@ -2148,6 +2148,17 @@ var ts; }; } ts.createCompilerDiagnostic = createCompilerDiagnostic; + function createCompilerDiagnosticFromMessageChain(chain) { + return { + file: undefined, + start: undefined, + length: undefined, + code: chain.code, + category: chain.category, + messageText: chain.next ? chain : chain.messageText + }; + } + ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain; function chainDiagnosticMessages(details, message) { var text = getLocaleSpecificMessage(message); if (arguments.length > 2) { @@ -4411,6 +4422,7 @@ var ts; Implement_interface_on_reference: { code: 90005, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_reference_90005", message: "Implement interface on reference" }, Implement_interface_on_class: { code: 90006, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_class_90006", message: "Implement interface on class" }, Implement_inherited_abstract_class: { code: 90007, category: ts.DiagnosticCategory.Message, key: "Implement_inherited_abstract_class_90007", message: "Implement inherited abstract class" }, + Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { code: 90009, category: ts.DiagnosticCategory.Error, key: "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", message: "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig" }, }; })(ts || (ts = {})); /// @@ -24845,14 +24857,31 @@ var ts; // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064 /* Type */, 0 /* None */, nextFlags); } - else if (!(flags & 512 /* InTypeAlias */) && ((getObjectFlags(type) & 16 /* Anonymous */ && !type.target) || type.flags & 196608 /* UnionOrIntersection */) && type.aliasSymbol && + else if (!(flags & 512 /* InTypeAlias */) && + (getObjectFlags(type) & 16 /* Anonymous */ && !type.target || type.flags & 196608 /* UnionOrIntersection */) && + type.aliasSymbol && isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064 /* Type */, /*shouldComputeAliasesToMakeVisible*/ false).accessibility === 0 /* Accessible */) { - // We emit inferred type as type-alias at the current localtion if all the following is true - // the input type is has alias symbol that is accessible - // the input type is a union, intersection or anonymous type that is fully instantiated (if not we want to keep dive into) - // e.g.: export type Bar = () => [X, Y]; - // export type Foo = Bar; - // export const y = (x: Foo) => 1 // we want to emit as ...x: () => [any, string]) + // We emit inferred type as type-alias if type is not in type-alias declaration, existed accessible alias-symbol, type is anonymous or union or intersection. + // However, if the type is an anonymous type with type arguments, we need to perform additional check. + // 1) No type arguments, just emit type-alias as is + // 2) Existed type arguments, check if the type arguments full fill all type parameters of the alias-symbol by + // checking whether the target's aliasTypeArguments has the same size as type's aliasTypeArguments: + // i.e + // type Foo = { + // foo(): Foo + // }; + // function foo() { + // return {} as Foo; + // } + // Should be emitted as + // declare type Foo = { + // foo(): Foo; + // }; + // declare function foo(): Foo; + // Otherwise type-alias is point to another generic type-alias then don't write it using alias symbol + // export type Bar = () => [X, Y]; + // export type Foo = Bar; + // export const y = (x: Foo) => 1 // this should be emit as "export declare const y: (x: () => [any, string]) => number;" var typeArguments = type.aliasTypeArguments; writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags); } @@ -24971,7 +25000,9 @@ var ts; else if (ts.contains(symbolStack, symbol)) { // If type is an anonymous type literal in a type alias declaration, use type alias name var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { + // We only want to use type-alias here if the typeAlias is not a generic one. (i.e it doesn't have a target type) + // If it is a generic type-alias just write out "any" + if (typeAlias && !type.target) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064 /* Type */, 0 /* None */, flags); } @@ -60182,12 +60213,23 @@ var ts; var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); // Report error if the output overwrites input file if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + if (options.noEmitOverwritenFiles && !options.out && !options.outDir && !options.outFile) { + blockEmittingOfFile(emitFileName); + } + else { + var chain_1; + if (!options.configFilePath) { + // The program is from either an inferred project or an external project + chain_1 = ts.chainDiagnosticMessages(/*details*/ undefined, ts.Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig); + } + chain_1 = ts.chainDiagnosticMessages(chain_1, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnosticFromMessageChain(chain_1)); + } } // Report error if multiple files write into same file if (emitFilesSeen.contains(emitFilePath)) { // Already seen the same emit file - report error - createEmitBlockingDiagnostics(emitFileName, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + blockEmittingOfFile(emitFileName, ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName)); } else { emitFilesSeen.set(emitFilePath, true); @@ -60195,9 +60237,11 @@ var ts; } } } - function createEmitBlockingDiagnostics(emitFileName, message) { + function blockEmittingOfFile(emitFileName, diag) { hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + if (diag) { + programDiagnostics.add(diag); + } } } ts.createProgram = createProgram; diff --git a/lib/typingsInstaller.js b/lib/typingsInstaller.js index 06fff6592e1fc..f4b9d66aef02f 100644 --- a/lib/typingsInstaller.js +++ b/lib/typingsInstaller.js @@ -971,6 +971,17 @@ var ts; }; } ts.createCompilerDiagnostic = createCompilerDiagnostic; + function createCompilerDiagnosticFromMessageChain(chain) { + return { + file: undefined, + start: undefined, + length: undefined, + code: chain.code, + category: chain.category, + messageText: chain.next ? chain : chain.messageText + }; + } + ts.createCompilerDiagnosticFromMessageChain = createCompilerDiagnosticFromMessageChain; function chainDiagnosticMessages(details, message) { var text = getLocaleSpecificMessage(message); if (arguments.length > 2) { @@ -3046,6 +3057,7 @@ var ts; Implement_interface_on_reference: { code: 90005, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_reference_90005", message: "Implement interface on reference" }, Implement_interface_on_class: { code: 90006, category: ts.DiagnosticCategory.Message, key: "Implement_interface_on_class_90006", message: "Implement interface on class" }, Implement_inherited_abstract_class: { code: 90007, category: ts.DiagnosticCategory.Message, key: "Implement_inherited_abstract_class_90007", message: "Implement inherited abstract class" }, + Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig: { code: 90009, category: ts.DiagnosticCategory.Error, key: "Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009", message: "Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig" }, }; })(ts || (ts = {})); var ts; From 0b872109b67840ce507f3264d6db229a0ba440e5 Mon Sep 17 00:00:00 2001 From: zhengbli Date: Thu, 3 Nov 2016 12:02:17 -0700 Subject: [PATCH 19/31] lockLinter --- package.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/package.json b/package.json index 48c6347110b5a..40a61f4f8b24b 100644 --- a/package.json +++ b/package.json @@ -76,8 +76,8 @@ "travis-fold": "latest", "ts-node": "latest", "tsd": "latest", - "tslint": "next", - "typescript": "next" + "tslint": "4.0.0-dev.0", + "typescript": "2.1.0-dev.20161101" }, "scripts": { "pretest": "jake tests", From 7d1f0e67b4582af1dc0cf2ac22688e26e94e7948 Mon Sep 17 00:00:00 2001 From: Vladimir Matveev Date: Thu, 3 Nov 2016 15:12:44 -0700 Subject: [PATCH 20/31] use local registry to check if typings package exist (#12014) (#12032) use local registry to check if typings package exist --- .../unittests/tsserverProjectSystem.ts | 32 ++- src/harness/unittests/typingsInstaller.ts | 209 ++++++++---------- .../typingsInstaller/nodeTypingsInstaller.ts | 124 ++++++----- .../typingsInstaller/typingsInstaller.ts | 117 ++++------ 4 files changed, 208 insertions(+), 274 deletions(-) diff --git a/src/harness/unittests/tsserverProjectSystem.ts b/src/harness/unittests/tsserverProjectSystem.ts index 7f12036a77740..8d4ced42811f5 100644 --- a/src/harness/unittests/tsserverProjectSystem.ts +++ b/src/harness/unittests/tsserverProjectSystem.ts @@ -18,7 +18,6 @@ namespace ts.projectSystem { }; export interface PostExecAction { - readonly requestKind: TI.RequestKind; readonly success: boolean; readonly callback: TI.RequestCompletedAction; } @@ -47,9 +46,13 @@ namespace ts.projectSystem { export class TestTypingsInstaller extends TI.TypingsInstaller implements server.ITypingsInstaller { protected projectService: server.ProjectService; - constructor(readonly globalTypingsCacheLocation: string, throttleLimit: number, readonly installTypingHost: server.ServerHost, log?: TI.Log) { - super(globalTypingsCacheLocation, safeList.path, throttleLimit, log); - this.init(); + constructor( + readonly globalTypingsCacheLocation: string, + throttleLimit: number, + installTypingHost: server.ServerHost, + readonly typesRegistry = createMap(), + log?: TI.Log) { + super(installTypingHost, globalTypingsCacheLocation, safeList.path, throttleLimit, log); } safeFileList = safeList.path; @@ -63,9 +66,8 @@ namespace ts.projectSystem { } } - checkPendingCommands(expected: TI.RequestKind[]) { - assert.equal(this.postExecActions.length, expected.length, `Expected ${expected.length} post install actions`); - this.postExecActions.forEach((act, i) => assert.equal(act.requestKind, expected[i], "Unexpected post install action")); + checkPendingCommands(expectedCount: number) { + assert.equal(this.postExecActions.length, expectedCount, `Expected ${expectedCount} post install actions`); } onProjectClosed() { @@ -79,15 +81,8 @@ namespace ts.projectSystem { return this.installTypingHost; } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { - switch (requestKind) { - case TI.NpmViewRequest: - case TI.NpmInstallRequest: - break; - default: - assert.isTrue(false, `request ${requestKind} is not supported`); - } - this.addPostExecAction(requestKind, "success", cb); + installWorker(_requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { + this.addPostExecAction("success", cb); } sendResponse(response: server.SetTypings | server.InvalidateCachedTypings) { @@ -99,12 +94,11 @@ namespace ts.projectSystem { this.install(request); } - addPostExecAction(requestKind: TI.RequestKind, stdout: string | string[], cb: TI.RequestCompletedAction) { + addPostExecAction(stdout: string | string[], cb: TI.RequestCompletedAction) { const out = typeof stdout === "string" ? stdout : createNpmPackageJsonString(stdout); const action: PostExecAction = { success: !!out, - callback: cb, - requestKind + callback: cb }; this.postExecActions.push(action); } diff --git a/src/harness/unittests/typingsInstaller.ts b/src/harness/unittests/typingsInstaller.ts index 356992d57176e..7ce4be0571029 100644 --- a/src/harness/unittests/typingsInstaller.ts +++ b/src/harness/unittests/typingsInstaller.ts @@ -8,6 +8,15 @@ namespace ts.projectSystem { interface InstallerParams { globalTypingsCacheLocation?: string; throttleLimit?: number; + typesRegistry?: Map; + } + + function createTypesRegistry(...list: string[]): Map { + const map = createMap(); + for (const l of list) { + map[l] = undefined; + } + return map; } class Installer extends TestTypingsInstaller { @@ -16,35 +25,24 @@ namespace ts.projectSystem { (p && p.globalTypingsCacheLocation) || "/a/data", (p && p.throttleLimit) || 5, host, + (p && p.typesRegistry), log); } - installAll(expectedView: typeof TI.NpmViewRequest[], expectedInstall: typeof TI.NpmInstallRequest[]) { - this.checkPendingCommands(expectedView); - this.executePendingCommands(); - this.checkPendingCommands(expectedInstall); + installAll(expectedCount: number) { + this.checkPendingCommands(expectedCount); this.executePendingCommands(); } } describe("typingsInstaller", () => { - function executeCommand(self: Installer, host: TestServerHost, installedTypings: string[], typingFiles: FileOrFolder[], requestKind: TI.RequestKind, cb: TI.RequestCompletedAction): void { - switch (requestKind) { - case TI.NpmInstallRequest: - self.addPostExecAction(requestKind, installedTypings, success => { - for (const file of typingFiles) { - host.createFileOrFolder(file, /*createParentDirectory*/ true); - } - cb(success); - }); - break; - case TI.NpmViewRequest: - self.addPostExecAction(requestKind, installedTypings, cb); - break; - default: - assert.isTrue(false, `unexpected request kind ${requestKind}`); - break; - } + function executeCommand(self: Installer, host: TestServerHost, installedTypings: string[], typingFiles: FileOrFolder[], cb: TI.RequestCompletedAction): void { + self.addPostExecAction(installedTypings, success => { + for (const file of typingFiles) { + host.createFileOrFolder(file, /*createParentDirectory*/ true); + } + cb(success); + }); } it("configured projects (typings installed) 1", () => { const file1 = { @@ -79,12 +77,12 @@ namespace ts.projectSystem { const host = createServerHost([file1, tsconfig, packageJson]); const installer = new (class extends Installer { constructor() { - super(host); + super(host, { typesRegistry: createTypesRegistry("jquery") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { const installedTypings = ["@types/jquery"]; const typingFiles = [jquery]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -95,7 +93,7 @@ namespace ts.projectSystem { const p = projectService.configuredProjects[0]; checkProjectActualFiles(p, [file1.path]); - installer.installAll([TI.NpmViewRequest], [TI.NpmInstallRequest]); + installer.installAll(/*expectedCount*/ 1); checkNumberOfProjects(projectService, { configuredProjects: 1 }); checkProjectActualFiles(p, [file1.path, jquery.path]); @@ -123,12 +121,12 @@ namespace ts.projectSystem { const host = createServerHost([file1, packageJson]); const installer = new (class extends Installer { constructor() { - super(host); + super(host, { typesRegistry: createTypesRegistry("jquery") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { const installedTypings = ["@types/jquery"]; const typingFiles = [jquery]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -139,7 +137,7 @@ namespace ts.projectSystem { const p = projectService.inferredProjects[0]; checkProjectActualFiles(p, [file1.path]); - installer.installAll([TI.NpmViewRequest], [TI.NpmInstallRequest]); + installer.installAll(/*expectedCount*/ 1); checkNumberOfProjects(projectService, { inferredProjects: 1 }); checkProjectActualFiles(p, [file1.path, jquery.path]); @@ -167,7 +165,7 @@ namespace ts.projectSystem { options: {}, rootFiles: [toExternalFile(file1.path)] }); - installer.checkPendingCommands([]); + installer.checkPendingCommands(/*expectedCount*/ 0); // by default auto discovery will kick in if project contain only .js/.d.ts files // in this case project contain only ts files - no auto discovery projectService.checkNumberOfProjects({ externalProjects: 1 }); @@ -181,7 +179,7 @@ namespace ts.projectSystem { const host = createServerHost([file1]); const installer = new (class extends Installer { constructor() { - super(host); + super(host, { typesRegistry: createTypesRegistry("jquery") }); } enqueueInstallTypingsRequest() { assert(false, "auto discovery should not be enabled"); @@ -196,7 +194,7 @@ namespace ts.projectSystem { rootFiles: [toExternalFile(file1.path)], typingOptions: { include: ["jquery"] } }); - installer.checkPendingCommands([]); + installer.checkPendingCommands(/*expectedCount*/ 0); // by default auto discovery will kick in if project contain only .js/.d.ts files // in this case project contain only ts files - no auto discovery even if typing options is set projectService.checkNumberOfProjects({ externalProjects: 1 }); @@ -215,16 +213,16 @@ namespace ts.projectSystem { let enqueueIsCalled = false; const installer = new (class extends Installer { constructor() { - super(host); + super(host, { typesRegistry: createTypesRegistry("jquery") }); } enqueueInstallTypingsRequest(project: server.Project, typingOptions: TypingOptions, unresolvedImports: server.SortedReadonlyArray) { enqueueIsCalled = true; super.enqueueInstallTypingsRequest(project, typingOptions, unresolvedImports); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { - const installedTypings = ["@types/jquery"]; + installWorker(_requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { + const installedTypings = ["@types/node"]; const typingFiles = [jquery]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -234,11 +232,11 @@ namespace ts.projectSystem { projectFileName, options: {}, rootFiles: [toExternalFile(file1.path)], - typingOptions: { enableAutoDiscovery: true, include: ["node"] } + typingOptions: { enableAutoDiscovery: true, include: ["jquery"] } }); assert.isTrue(enqueueIsCalled, "expected enqueueIsCalled to be true"); - installer.installAll([TI.NpmViewRequest], [TI.NpmInstallRequest]); + installer.installAll(/*expectedCount*/ 1); // autoDiscovery is set in typing options - use it even if project contains only .ts files projectService.checkNumberOfProjects({ externalProjects: 1 }); @@ -273,12 +271,12 @@ namespace ts.projectSystem { const host = createServerHost([file1, file2, file3]); const installer = new (class extends Installer { constructor() { - super(host); + super(host, { typesRegistry: createTypesRegistry("lodash", "react") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { const installedTypings = ["@types/lodash", "@types/react"]; const typingFiles = [lodash, react]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -295,7 +293,7 @@ namespace ts.projectSystem { projectService.checkNumberOfProjects({ externalProjects: 1 }); checkProjectActualFiles(p, [file1.path, file2.path, file3.path]); - installer.installAll([TI.NpmViewRequest, TI.NpmViewRequest], [TI.NpmInstallRequest], ); + installer.installAll(/*expectedCount*/ 1); checkNumberOfProjects(projectService, { externalProjects: 1 }); checkProjectActualFiles(p, [file1.path, file2.path, file3.path, lodash.path, react.path]); @@ -317,16 +315,16 @@ namespace ts.projectSystem { let enqueueIsCalled = false; const installer = new (class extends Installer { constructor() { - super(host); + super(host, { typesRegistry: createTypesRegistry("jquery") }); } enqueueInstallTypingsRequest(project: server.Project, typingOptions: TypingOptions, unresolvedImports: server.SortedReadonlyArray) { enqueueIsCalled = true; super.enqueueInstallTypingsRequest(project, typingOptions, unresolvedImports); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { const installedTypings: string[] = []; const typingFiles: FileOrFolder[] = []; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -343,7 +341,7 @@ namespace ts.projectSystem { projectService.checkNumberOfProjects({ externalProjects: 1 }); checkProjectActualFiles(p, [file1.path, file2.path]); - installer.checkPendingCommands([]); + installer.checkPendingCommands(/*expectedCount*/ 0); checkNumberOfProjects(projectService, { externalProjects: 1 }); checkProjectActualFiles(p, [file1.path, file2.path]); @@ -396,12 +394,12 @@ namespace ts.projectSystem { const host = createServerHost([file1, file2, file3, packageJson]); const installer = new (class extends Installer { constructor() { - super(host); + super(host, { typesRegistry: createTypesRegistry("jquery", "commander", "moment", "express") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { const installedTypings = ["@types/commander", "@types/express", "@types/jquery", "@types/moment"]; const typingFiles = [commander, express, jquery, moment]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -418,10 +416,7 @@ namespace ts.projectSystem { projectService.checkNumberOfProjects({ externalProjects: 1 }); checkProjectActualFiles(p, [file1.path, file2.path, file3.path]); - installer.installAll( - [TI.NpmViewRequest, TI.NpmViewRequest, TI.NpmViewRequest, TI.NpmViewRequest], - [TI.NpmInstallRequest] - ); + installer.installAll(/*expectedCount*/ 1); checkNumberOfProjects(projectService, { externalProjects: 1 }); checkProjectActualFiles(p, [file1.path, file2.path, file3.path, commander.path, express.path, jquery.path, moment.path]); @@ -475,11 +470,11 @@ namespace ts.projectSystem { const host = createServerHost([lodashJs, commanderJs, file3, packageJson]); const installer = new (class extends Installer { constructor() { - super(host, { throttleLimit: 3 }); + super(host, { throttleLimit: 3, typesRegistry: createTypesRegistry("commander", "express", "jquery", "moment", "lodash") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { const installedTypings = ["@types/commander", "@types/express", "@types/jquery", "@types/moment", "@types/lodash"]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -495,18 +490,7 @@ namespace ts.projectSystem { const p = projectService.externalProjects[0]; projectService.checkNumberOfProjects({ externalProjects: 1 }); checkProjectActualFiles(p, [lodashJs.path, commanderJs.path, file3.path]); - // expected 3 view requests in the queue - installer.checkPendingCommands([TI.NpmViewRequest, TI.NpmViewRequest, TI.NpmViewRequest]); - assert.equal(installer.pendingRunRequests.length, 2, "expected 2 pending requests"); - - // push view requests - installer.executePendingCommands(); - // expected 2 remaining view requests in the queue - installer.checkPendingCommands([TI.NpmViewRequest, TI.NpmViewRequest]); - // push view requests - installer.executePendingCommands(); - // expected one install request - installer.checkPendingCommands([TI.NpmInstallRequest]); + installer.checkPendingCommands(/*expectedCount*/ 1); installer.executePendingCommands(); // expected all typings file to exist for (const f of typingFiles) { @@ -565,22 +549,17 @@ namespace ts.projectSystem { const host = createServerHost([lodashJs, commanderJs, file3]); const installer = new (class extends Installer { constructor() { - super(host, { throttleLimit: 3 }); - } - executeRequest(requestKind: TI.RequestKind, _requestId: number, args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { - if (requestKind === TI.NpmInstallRequest) { - let typingFiles: (FileOrFolder & { typings: string })[] = []; - if (args.indexOf("@types/commander") >= 0) { - typingFiles = [commander, jquery, lodash, cordova]; - } - else { - typingFiles = [grunt, gulp]; - } - executeCommand(this, host, typingFiles.map(f => f.typings), typingFiles, requestKind, cb); + super(host, { throttleLimit: 1, typesRegistry: createTypesRegistry("commander", "jquery", "lodash", "cordova", "gulp", "grunt") }); + } + installWorker(_requestId: number, args: string[], _cwd: string, cb: TI.RequestCompletedAction): void { + let typingFiles: (FileOrFolder & { typings: string })[] = []; + if (args.indexOf("@types/commander") >= 0) { + typingFiles = [commander, jquery, lodash, cordova]; } else { - executeCommand(this, host, [], [], requestKind, cb); + typingFiles = [grunt, gulp]; } + executeCommand(this, host, typingFiles.map(f => f.typings), typingFiles, cb); } })(); @@ -594,8 +573,8 @@ namespace ts.projectSystem { typingOptions: { include: ["jquery", "cordova"] } }); - installer.checkPendingCommands([TI.NpmViewRequest, TI.NpmViewRequest, TI.NpmViewRequest]); - assert.equal(installer.pendingRunRequests.length, 1, "expect one throttled request"); + installer.checkPendingCommands(/*expectedCount*/ 1); + assert.equal(installer.pendingRunRequests.length, 0, "expect no throttled requests"); // Create project #2 with 2 typings const projectFileName2 = "/a/app/test2.csproj"; @@ -605,7 +584,7 @@ namespace ts.projectSystem { rootFiles: [toExternalFile(file3.path)], typingOptions: { include: ["grunt", "gulp"] } }); - assert.equal(installer.pendingRunRequests.length, 3, "expect three throttled request"); + assert.equal(installer.pendingRunRequests.length, 1, "expect one throttled request"); const p1 = projectService.externalProjects[0]; const p2 = projectService.externalProjects[1]; @@ -613,16 +592,12 @@ namespace ts.projectSystem { checkProjectActualFiles(p1, [lodashJs.path, commanderJs.path, file3.path]); checkProjectActualFiles(p2, [file3.path]); - installer.executePendingCommands(); - // expected one view request from the first project and two - from the second one - installer.checkPendingCommands([TI.NpmViewRequest, TI.NpmViewRequest, TI.NpmViewRequest]); - assert.equal(installer.pendingRunRequests.length, 0, "expected no throttled requests"); - installer.executePendingCommands(); + // expected one install request from the second project + installer.checkPendingCommands(/*expectedCount*/ 1); + assert.equal(installer.pendingRunRequests.length, 0, "expected no throttled requests"); - // should be two install requests from both projects - installer.checkPendingCommands([TI.NpmInstallRequest, TI.NpmInstallRequest]); installer.executePendingCommands(); checkProjectActualFiles(p1, [lodashJs.path, commanderJs.path, file3.path, commander.path, jquery.path, lodash.path, cordova.path]); @@ -653,12 +628,12 @@ namespace ts.projectSystem { const host = createServerHost([app, jsconfig, jquery, jqueryPackage]); const installer = new (class extends Installer { constructor() { - super(host, { globalTypingsCacheLocation: "/tmp" }); + super(host, { globalTypingsCacheLocation: "/tmp", typesRegistry: createTypesRegistry("jquery") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { const installedTypings = ["@types/jquery"]; const typingFiles = [jqueryDTS]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -669,7 +644,7 @@ namespace ts.projectSystem { const p = projectService.configuredProjects[0]; checkProjectActualFiles(p, [app.path]); - installer.installAll([TI.NpmViewRequest], [TI.NpmInstallRequest]); + installer.installAll(/*expectedCount*/ 1); checkNumberOfProjects(projectService, { configuredProjects: 1 }); checkProjectActualFiles(p, [app.path, jqueryDTS.path]); @@ -699,12 +674,12 @@ namespace ts.projectSystem { const host = createServerHost([app, jsconfig, bowerJson]); const installer = new (class extends Installer { constructor() { - super(host, { globalTypingsCacheLocation: "/tmp" }); + super(host, { globalTypingsCacheLocation: "/tmp", typesRegistry: createTypesRegistry("jquery") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { const installedTypings = ["@types/jquery"]; const typingFiles = [jqueryDTS]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); @@ -715,7 +690,7 @@ namespace ts.projectSystem { const p = projectService.configuredProjects[0]; checkProjectActualFiles(p, [app.path]); - installer.installAll([TI.NpmViewRequest], [TI.NpmInstallRequest]); + installer.installAll(/*expectedCount*/ 1); checkNumberOfProjects(projectService, { configuredProjects: 1 }); checkProjectActualFiles(p, [app.path, jqueryDTS.path]); @@ -742,23 +717,23 @@ namespace ts.projectSystem { const host = createServerHost([f, brokenPackageJson]); const installer = new (class extends Installer { constructor() { - super(host, { globalTypingsCacheLocation: cachePath }); + super(host, { globalTypingsCacheLocation: cachePath, typesRegistry: createTypesRegistry("commander") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { const installedTypings = ["@types/commander"]; const typingFiles = [commander]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); const service = createProjectService(host, { typingsInstaller: installer }); service.openClientFile(f.path); - installer.checkPendingCommands([]); + installer.checkPendingCommands(/*expectedCount*/ 0); host.reloadFS([f, fixedPackageJson]); host.triggerFileWatcherCallback(fixedPackageJson.path, /*removed*/ false); - // expected one view and one install request - installer.installAll([TI.NpmViewRequest], [TI.NpmInstallRequest]); + // expected install request + installer.installAll(/*expectedCount*/ 1); service.checkNumberOfProjects({ inferredProjects: 1 }); checkProjectActualFiles(service.inferredProjects[0], [f.path, commander.path]); @@ -783,12 +758,12 @@ namespace ts.projectSystem { const host = createServerHost([file]); const installer = new (class extends Installer { constructor() { - super(host, { globalTypingsCacheLocation: cachePath }); + super(host, { globalTypingsCacheLocation: cachePath, typesRegistry: createTypesRegistry("node", "commander") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { const installedTypings = ["@types/node", "@types/commander"]; const typingFiles = [node, commander]; - executeCommand(this, host, installedTypings, typingFiles, requestKind, cb); + executeCommand(this, host, installedTypings, typingFiles, cb); } })(); const service = createProjectService(host, { typingsInstaller: installer }); @@ -797,7 +772,7 @@ namespace ts.projectSystem { service.checkNumberOfProjects({ inferredProjects: 1 }); checkProjectActualFiles(service.inferredProjects[0], [file.path]); - installer.installAll([TI.NpmViewRequest, TI.NpmViewRequest], [TI.NpmInstallRequest]); + installer.installAll(/*expectedCount*/ 1); assert.isTrue(host.fileExists(node.path), "typings for 'node' should be created"); assert.isTrue(host.fileExists(commander.path), "typings for 'commander' should be created"); @@ -822,14 +797,10 @@ namespace ts.projectSystem { const host = createServerHost([f1]); const installer = new (class extends Installer { constructor() { - super(host, { globalTypingsCacheLocation: "/tmp" }); + super(host, { globalTypingsCacheLocation: "/tmp", typesRegistry: createTypesRegistry("foo") }); } - executeRequest(requestKind: TI.RequestKind, _requestId: number, args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { - if (requestKind === TI.NpmViewRequest) { - // args should have only non-scoped packages - scoped packages are not yet supported - assert.deepEqual(args, ["foo"]); - } - executeCommand(this, host, ["foo"], [], requestKind, cb); + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + executeCommand(this, host, ["foo"], [], cb); } })(); const projectService = createProjectService(host, { typingsInstaller: installer }); @@ -844,7 +815,7 @@ namespace ts.projectSystem { ["foo", "foo", "foo", "@bar/router", "@bar/common", "@bar/common"] ); - installer.installAll([TI.NpmViewRequest], [TI.NpmInstallRequest]); + installer.installAll(/*expectedCount*/ 1); }); it("cached unresolved typings are not recomputed if program structure did not change", () => { @@ -936,14 +907,14 @@ namespace ts.projectSystem { constructor() { super(host, { globalTypingsCacheLocation: "/tmp" }, { isEnabled: () => true, writeLine: msg => messages.push(msg) }); } - executeRequest() { + installWorker(_requestId: number, _args: string[], _cwd: string, _cb: server.typingsInstaller.RequestCompletedAction) { assert(false, "runCommand should not be invoked"); } })(); const projectService = createProjectService(host, { typingsInstaller: installer }); projectService.openClientFile(f1.path); - installer.checkPendingCommands([]); + installer.checkPendingCommands(/*expectedCount*/ 0); assert.isTrue(messages.indexOf("Package name '; say ‘Hello from TypeScript!’ #' contains non URI safe characters") > 0, "should find package with invalid name"); }); }); diff --git a/src/server/typingsInstaller/nodeTypingsInstaller.ts b/src/server/typingsInstaller/nodeTypingsInstaller.ts index 8941926493051..98a61719c5b4a 100644 --- a/src/server/typingsInstaller/nodeTypingsInstaller.ts +++ b/src/server/typingsInstaller/nodeTypingsInstaller.ts @@ -33,28 +33,51 @@ namespace ts.server.typingsInstaller { } } - type HttpGet = { - (url: string, callback: (response: HttpResponse) => void): NodeJS.EventEmitter; - }; + interface TypesRegistryFile { + entries: MapLike; + } + + function loadTypesRegistryFile(typesRegistryFilePath: string, host: InstallTypingHost, log: Log): Map { + if (!host.fileExists(typesRegistryFilePath)) { + if (log.isEnabled()) { + log.writeLine(`Types registry file '${typesRegistryFilePath}' does not exist`); + } + return createMap(); + } + try { + const content = JSON.parse(host.readFile(typesRegistryFilePath)); + return createMap(content.entries); + } + catch (e) { + if (log.isEnabled()) { + log.writeLine(`Error when loading types registry file '${typesRegistryFilePath}': ${(e).message}, ${(e).stack}`); + } + return createMap(); + } + } - interface HttpResponse extends NodeJS.ReadableStream { - statusCode: number; - statusMessage: string; - destroy(): void; + const TypesRegistryPackageName = "types-registry"; + function getTypesRegistryFileLocation(globalTypingsCacheLocation: string): string { + return combinePaths(normalizeSlashes(globalTypingsCacheLocation), `node_modules/${TypesRegistryPackageName}/index.json`); } + type Exec = { (command: string, options: { cwd: string }, callback?: (error: Error, stdout: string, stderr: string) => void): any }; + type ExecSync = { + (command: string, options: { cwd: string, stdio: "ignore" }): any + }; + export class NodeTypingsInstaller extends TypingsInstaller { private readonly exec: Exec; - private readonly httpGet: HttpGet; private readonly npmPath: string; - readonly installTypingHost: InstallTypingHost = sys; + readonly typesRegistry: Map; constructor(globalTypingsCacheLocation: string, throttleLimit: number, log: Log) { super( + sys, globalTypingsCacheLocation, toPath("typingSafeList.json", __dirname, createGetCanonicalFileName(sys.useCaseSensitiveFileNames)), throttleLimit, @@ -63,12 +86,27 @@ namespace ts.server.typingsInstaller { this.log.writeLine(`Process id: ${process.pid}`); } this.npmPath = getNPMLocation(process.argv[0]); - this.exec = require("child_process").exec; - this.httpGet = require("http").get; + let execSync: ExecSync; + ({ exec: this.exec, execSync } = require("child_process")); + + this.ensurePackageDirectoryExists(globalTypingsCacheLocation); + + try { + if (this.log.isEnabled()) { + this.log.writeLine(`Updating ${TypesRegistryPackageName} npm package...`); + } + execSync(`${this.npmPath} install ${TypesRegistryPackageName}`, { cwd: globalTypingsCacheLocation, stdio: "ignore" }); + } + catch (e) { + if (this.log.isEnabled()) { + this.log.writeLine(`Error updating ${TypesRegistryPackageName} package: ${(e).message}`); + } + } + + this.typesRegistry = loadTypesRegistryFile(getTypesRegistryFileLocation(globalTypingsCacheLocation), this.installTypingHost, this.log); } - init() { - super.init(); + listen() { process.on("message", (req: DiscoverTypings | CloseProject) => { switch (req.kind) { case "discover": @@ -90,54 +128,20 @@ namespace ts.server.typingsInstaller { } } - protected executeRequest(requestKind: RequestKind, requestId: number, args: string[], cwd: string, onRequestCompleted: RequestCompletedAction): void { + protected installWorker(requestId: number, args: string[], cwd: string, onRequestCompleted: RequestCompletedAction): void { if (this.log.isEnabled()) { - this.log.writeLine(`#${requestId} executing ${requestKind}, arguments'${JSON.stringify(args)}'.`); - } - switch (requestKind) { - case NpmViewRequest: { - // const command = `${self.npmPath} view @types/${typing} --silent name`; - // use http request to global npm registry instead of running npm view - Debug.assert(args.length === 1); - const url = `http://registry.npmjs.org/@types%2f${args[0]}`; - const start = Date.now(); - this.httpGet(url, response => { - let ok = false; - if (this.log.isEnabled()) { - this.log.writeLine(`${requestKind} #${requestId} request to ${url}:: status code ${response.statusCode}, status message '${response.statusMessage}', took ${Date.now() - start} ms`); - } - switch (response.statusCode) { - case 200: // OK - case 301: // redirect - Moved - treat package as present - case 302: // redirect - Found - treat package as present - ok = true; - break; - } - response.destroy(); - onRequestCompleted(ok); - }).on("error", (err: Error) => { - if (this.log.isEnabled()) { - this.log.writeLine(`${requestKind} #${requestId} query to npm registry failed with error ${err.message}, stack ${err.stack}`); - } - onRequestCompleted(/*success*/ false); - }); - } - break; - case NpmInstallRequest: { - const command = `${this.npmPath} install ${args.join(" ")} --save-dev`; - const start = Date.now(); - this.exec(command, { cwd }, (_err, stdout, stderr) => { - if (this.log.isEnabled()) { - this.log.writeLine(`${requestKind} #${requestId} took: ${Date.now() - start} ms${sys.newLine}stdout: ${stdout}${sys.newLine}stderr: ${stderr}`); - } - // treat any output on stdout as success - onRequestCompleted(!!stdout); - }); - } - break; - default: - Debug.assert(false, `Unknown request kind ${requestKind}`); + + this.log.writeLine(`#${requestId} with arguments'${JSON.stringify(args)}'.`); } + const command = `${this.npmPath} install ${args.join(" ")} --save-dev`; + const start = Date.now(); + this.exec(command, { cwd }, (_err, stdout, stderr) => { + if (this.log.isEnabled()) { + this.log.writeLine(`npm install #${requestId} took: ${Date.now() - start} ms${sys.newLine}stdout: ${stdout}${sys.newLine}stderr: ${stderr}`); + } + // treat any output on stdout as success + onRequestCompleted(!!stdout); + }); } } @@ -163,5 +167,5 @@ namespace ts.server.typingsInstaller { process.exit(0); }); const installer = new NodeTypingsInstaller(globalTypingsCacheLocation, /*throttleLimit*/5, log); - installer.init(); + installer.listen(); } \ No newline at end of file diff --git a/src/server/typingsInstaller/typingsInstaller.ts b/src/server/typingsInstaller/typingsInstaller.ts index df043fc26ae06..003f9d76473aa 100644 --- a/src/server/typingsInstaller/typingsInstaller.ts +++ b/src/server/typingsInstaller/typingsInstaller.ts @@ -63,18 +63,12 @@ namespace ts.server.typingsInstaller { return PackageNameValidationResult.Ok; } - export const NpmViewRequest: "npm view" = "npm view"; - export const NpmInstallRequest: "npm install" = "npm install"; - - export type RequestKind = typeof NpmViewRequest | typeof NpmInstallRequest; - export type RequestCompletedAction = (success: boolean) => void; type PendingRequest = { - requestKind: RequestKind; requestId: number; args: string[]; cwd: string; - onRequestCompleted: RequestCompletedAction + onRequestCompleted: RequestCompletedAction; }; export abstract class TypingsInstaller { @@ -87,9 +81,10 @@ namespace ts.server.typingsInstaller { private installRunCount = 1; private inFlightRequestCount = 0; - abstract readonly installTypingHost: InstallTypingHost; + abstract readonly typesRegistry: Map; constructor( + readonly installTypingHost: InstallTypingHost, readonly globalCachePath: string, readonly safeListPath: Path, readonly throttleLimit: number, @@ -97,9 +92,6 @@ namespace ts.server.typingsInstaller { if (this.log.isEnabled()) { this.log.writeLine(`Global cache location '${globalCachePath}', safe file path '${safeListPath}'`); } - } - - init() { this.processCacheLocation(this.globalCachePath); } @@ -224,7 +216,7 @@ namespace ts.server.typingsInstaller { this.knownCachesSet[cacheLocation] = true; } - private filterTypings(typingsToInstall: string[]) { + private filterAndMapToScopedName(typingsToInstall: string[]) { if (typingsToInstall.length === 0) { return typingsToInstall; } @@ -235,7 +227,14 @@ namespace ts.server.typingsInstaller { } const validationResult = validatePackageName(typing); if (validationResult === PackageNameValidationResult.Ok) { - result.push(typing); + if (typing in this.typesRegistry) { + result.push(`@types/${typing}`); + } + else { + if (this.log.isEnabled()) { + this.log.writeLine(`Entry for package '${typing}' does not exist in local types registry - skipping...`); + } + } } else { // add typing name to missing set so we won't process it again @@ -267,43 +266,51 @@ namespace ts.server.typingsInstaller { return result; } - private installTypings(req: DiscoverTypings, cachePath: string, currentlyCachedTypings: string[], typingsToInstall: string[]) { + protected ensurePackageDirectoryExists(directory: string) { + const npmConfigPath = combinePaths(directory, "package.json"); if (this.log.isEnabled()) { - this.log.writeLine(`Installing typings ${JSON.stringify(typingsToInstall)}`); + this.log.writeLine(`Npm config file: ${npmConfigPath}`); } - typingsToInstall = this.filterTypings(typingsToInstall); - if (typingsToInstall.length === 0) { + if (!this.installTypingHost.fileExists(npmConfigPath)) { if (this.log.isEnabled()) { - this.log.writeLine(`All typings are known to be missing or invalid - no need to go any further`); + this.log.writeLine(`Npm config file: '${npmConfigPath}' is missing, creating new one...`); } - return; + this.ensureDirectoryExists(directory, this.installTypingHost); + this.installTypingHost.writeFile(npmConfigPath, "{}"); } + } - const npmConfigPath = combinePaths(cachePath, "package.json"); + private installTypings(req: DiscoverTypings, cachePath: string, currentlyCachedTypings: string[], typingsToInstall: string[]) { if (this.log.isEnabled()) { - this.log.writeLine(`Npm config file: ${npmConfigPath}`); + this.log.writeLine(`Installing typings ${JSON.stringify(typingsToInstall)}`); } - if (!this.installTypingHost.fileExists(npmConfigPath)) { + const scopedTypings = this.filterAndMapToScopedName(typingsToInstall); + if (scopedTypings.length === 0) { if (this.log.isEnabled()) { - this.log.writeLine(`Npm config file: '${npmConfigPath}' is missing, creating new one...`); + this.log.writeLine(`All typings are known to be missing or invalid - no need to go any further`); } - this.ensureDirectoryExists(cachePath, this.installTypingHost); - this.installTypingHost.writeFile(npmConfigPath, "{}"); + return; } - this.runInstall(cachePath, typingsToInstall, installedTypings => { + this.ensurePackageDirectoryExists(cachePath); + + const requestId = this.installRunCount; + this.installRunCount++; + + this.installTypingsAsync(requestId, scopedTypings, cachePath, ok => { + if (!ok) { + return; + } // TODO: watch project directory if (this.log.isEnabled()) { - this.log.writeLine(`Requested to install typings ${JSON.stringify(typingsToInstall)}, installed typings ${JSON.stringify(installedTypings)}`); + this.log.writeLine(`Requested to install typings ${JSON.stringify(scopedTypings)}, installed typings ${JSON.stringify(scopedTypings)}`); } - const installedPackages: Map = createMap(); const installedTypingFiles: string[] = []; - for (const t of installedTypings) { + for (const t of scopedTypings) { const packageName = getBaseFileName(t); if (!packageName) { continue; } - installedPackages[packageName] = true; const typingFile = typingToFileName(cachePath, packageName, this.installTypingHost); if (!typingFile) { continue; @@ -316,53 +323,11 @@ namespace ts.server.typingsInstaller { if (this.log.isEnabled()) { this.log.writeLine(`Installed typing files ${JSON.stringify(installedTypingFiles)}`); } - for (const toInstall of typingsToInstall) { - if (!installedPackages[toInstall]) { - if (this.log.isEnabled()) { - this.log.writeLine(`New missing typing package '${toInstall}'`); - } - this.missingTypingsSet[toInstall] = true; - } - } this.sendResponse(this.createSetTypings(req, currentlyCachedTypings.concat(installedTypingFiles))); }); } - private runInstall(cachePath: string, typingsToInstall: string[], postInstallAction: (installedTypings: string[]) => void): void { - const requestId = this.installRunCount; - - this.installRunCount++; - let execInstallCmdCount = 0; - const filteredTypings: string[] = []; - for (const typing of typingsToInstall) { - filterExistingTypings(this, typing); - } - - function filterExistingTypings(self: TypingsInstaller, typing: string) { - self.execAsync(NpmViewRequest, requestId, [typing], cachePath, ok => { - if (ok) { - filteredTypings.push(typing); - } - execInstallCmdCount++; - if (execInstallCmdCount === typingsToInstall.length) { - installFilteredTypings(self, filteredTypings); - } - }); - } - - function installFilteredTypings(self: TypingsInstaller, filteredTypings: string[]) { - if (filteredTypings.length === 0) { - postInstallAction([]); - return; - } - const scopedTypings = filteredTypings.map(t => "@types/" + t); - self.execAsync(NpmInstallRequest, requestId, scopedTypings, cachePath, ok => { - postInstallAction(ok ? scopedTypings : []); - }); - } - } - private ensureDirectoryExists(directory: string, host: InstallTypingHost): void { const directoryName = getDirectoryPath(directory); if (!host.directoryExists(directoryName)) { @@ -409,8 +374,8 @@ namespace ts.server.typingsInstaller { }; } - private execAsync(requestKind: RequestKind, requestId: number, args: string[], cwd: string, onRequestCompleted: RequestCompletedAction): void { - this.pendingRunRequests.unshift({ requestKind, requestId, args, cwd, onRequestCompleted }); + private installTypingsAsync(requestId: number, args: string[], cwd: string, onRequestCompleted: RequestCompletedAction): void { + this.pendingRunRequests.unshift({ requestId, args, cwd, onRequestCompleted }); this.executeWithThrottling(); } @@ -418,7 +383,7 @@ namespace ts.server.typingsInstaller { while (this.inFlightRequestCount < this.throttleLimit && this.pendingRunRequests.length) { this.inFlightRequestCount++; const request = this.pendingRunRequests.pop(); - this.executeRequest(request.requestKind, request.requestId, request.args, request.cwd, ok => { + this.installWorker(request.requestId, request.args, request.cwd, ok => { this.inFlightRequestCount--; request.onRequestCompleted(ok); this.executeWithThrottling(); @@ -426,7 +391,7 @@ namespace ts.server.typingsInstaller { } } - protected abstract executeRequest(requestKind: RequestKind, requestId: number, args: string[], cwd: string, onRequestCompleted: RequestCompletedAction): void; + protected abstract installWorker(requestId: number, args: string[], cwd: string, onRequestCompleted: RequestCompletedAction): void; protected abstract sendResponse(response: SetTypings | InvalidateCachedTypings): void; } } \ No newline at end of file From afe36be50cdc38b5824012d4ce53a6d9fc843ff5 Mon Sep 17 00:00:00 2001 From: Zhengbo Li Date: Thu, 3 Nov 2016 16:26:03 -0700 Subject: [PATCH 21/31] Add test for https://github.com/Microsoft/TypeScript/pull/11980 (#12027) * add test for the fix for overwrite emitting error * cr feedback --- .../unittests/tsserverProjectSystem.ts | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/src/harness/unittests/tsserverProjectSystem.ts b/src/harness/unittests/tsserverProjectSystem.ts index 8d4ced42811f5..91b2092dbe22c 100644 --- a/src/harness/unittests/tsserverProjectSystem.ts +++ b/src/harness/unittests/tsserverProjectSystem.ts @@ -2464,4 +2464,28 @@ namespace ts.projectSystem { }); }); + + describe("No overwrite emit error", () => { + it("for inferred project", () => { + const f1 = { + path: "/a/b/f1.js", + content: "function test1() { }" + }; + const host = createServerHost([f1, libFile]); + const session = createSession(host); + openFilesForSession([f1], session); + + const projectService = session.getProjectService(); + checkNumberOfProjects(projectService, { inferredProjects: 1 }); + const projectName = projectService.inferredProjects[0].getProjectName(); + + const diags = session.executeCommand({ + type: "request", + command: server.CommandNames.CompilerOptionsDiagnosticsFull, + seq: 2, + arguments: { projectFileName: projectName } + }).response; + assert.isTrue(diags.length === 0); + }); + }); } \ No newline at end of file From f03e04a41eae4d6bc3f545f76ec88fa1a54fcddd Mon Sep 17 00:00:00 2001 From: Vladimir Matveev Date: Fri, 4 Nov 2016 11:35:44 -0700 Subject: [PATCH 22/31] enable sending telemetry events to tsserver client (#12034) (#12051) enable sending telemetry events --- Jakefile.js | 2 + .../unittests/tsserverProjectSystem.ts | 3 +- src/harness/unittests/typingsInstaller.ts | 68 +++++++++++++--- src/server/editorServices.ts | 4 +- src/server/protocol.ts | 26 +++++++ src/server/server.ts | 78 +++++++++++++------ src/server/session.ts | 6 +- src/server/shared.ts | 24 ++++++ src/server/tsconfig.json | 1 + src/server/tsconfig.library.json | 1 + src/server/types.d.ts | 28 +++++-- .../typingsInstaller/nodeTypingsInstaller.ts | 16 ++-- src/server/typingsInstaller/tsconfig.json | 1 + .../typingsInstaller/typingsInstaller.ts | 16 +++- src/server/utilities.ts | 2 + 15 files changed, 218 insertions(+), 58 deletions(-) create mode 100644 src/server/shared.ts diff --git a/Jakefile.js b/Jakefile.js index cda7e2ca882ce..4bb1744a3a6f7 100644 --- a/Jakefile.js +++ b/Jakefile.js @@ -171,6 +171,7 @@ var servicesSources = [ var serverCoreSources = [ "types.d.ts", + "shared.ts", "utilities.ts", "scriptVersionCache.ts", "typingsCache.ts", @@ -193,6 +194,7 @@ var cancellationTokenSources = [ var typingsInstallerSources = [ "../types.d.ts", + "../shared.ts", "typingsInstaller.ts", "nodeTypingsInstaller.ts" ].map(function (f) { diff --git a/src/harness/unittests/tsserverProjectSystem.ts b/src/harness/unittests/tsserverProjectSystem.ts index 91b2092dbe22c..dd7c26ac40fae 100644 --- a/src/harness/unittests/tsserverProjectSystem.ts +++ b/src/harness/unittests/tsserverProjectSystem.ts @@ -51,8 +51,9 @@ namespace ts.projectSystem { throttleLimit: number, installTypingHost: server.ServerHost, readonly typesRegistry = createMap(), + telemetryEnabled?: boolean, log?: TI.Log) { - super(installTypingHost, globalTypingsCacheLocation, safeList.path, throttleLimit, log); + super(installTypingHost, globalTypingsCacheLocation, safeList.path, throttleLimit, telemetryEnabled, log); } safeFileList = safeList.path; diff --git a/src/harness/unittests/typingsInstaller.ts b/src/harness/unittests/typingsInstaller.ts index 7ce4be0571029..7326b619cd0b2 100644 --- a/src/harness/unittests/typingsInstaller.ts +++ b/src/harness/unittests/typingsInstaller.ts @@ -20,12 +20,13 @@ namespace ts.projectSystem { } class Installer extends TestTypingsInstaller { - constructor(host: server.ServerHost, p?: InstallerParams, log?: TI.Log) { + constructor(host: server.ServerHost, p?: InstallerParams, telemetryEnabled?: boolean, log?: TI.Log) { super( (p && p.globalTypingsCacheLocation) || "/a/data", (p && p.throttleLimit) || 5, host, (p && p.typesRegistry), + telemetryEnabled, log); } @@ -35,15 +36,16 @@ namespace ts.projectSystem { } } + function executeCommand(self: Installer, host: TestServerHost, installedTypings: string[], typingFiles: FileOrFolder[], cb: TI.RequestCompletedAction): void { + self.addPostExecAction(installedTypings, success => { + for (const file of typingFiles) { + host.createFileOrFolder(file, /*createParentDirectory*/ true); + } + cb(success); + }); + } + describe("typingsInstaller", () => { - function executeCommand(self: Installer, host: TestServerHost, installedTypings: string[], typingFiles: FileOrFolder[], cb: TI.RequestCompletedAction): void { - self.addPostExecAction(installedTypings, success => { - for (const file of typingFiles) { - host.createFileOrFolder(file, /*createParentDirectory*/ true); - } - cb(success); - }); - } it("configured projects (typings installed) 1", () => { const file1 = { path: "/a/b/app.js", @@ -905,7 +907,7 @@ namespace ts.projectSystem { const host = createServerHost([f1, packageJson]); const installer = new (class extends Installer { constructor() { - super(host, { globalTypingsCacheLocation: "/tmp" }, { isEnabled: () => true, writeLine: msg => messages.push(msg) }); + super(host, { globalTypingsCacheLocation: "/tmp" }, /*telemetryEnabled*/ false, { isEnabled: () => true, writeLine: msg => messages.push(msg) }); } installWorker(_requestId: number, _args: string[], _cwd: string, _cb: server.typingsInstaller.RequestCompletedAction) { assert(false, "runCommand should not be invoked"); @@ -949,4 +951,50 @@ namespace ts.projectSystem { assert.deepEqual(result.newTypingNames, ["bar"]); }); }); + + describe("telemetry events", () => { + it ("should be received", () => { + const f1 = { + path: "/a/app.js", + content: "" + }; + const package = { + path: "/a/package.json", + content: JSON.stringify({ dependencies: { "commander": "1.0.0" } }) + }; + const cachePath = "/a/cache/"; + const commander = { + path: cachePath + "node_modules/@types/commander/index.d.ts", + content: "export let x: number" + }; + const host = createServerHost([f1, package]); + let seenTelemetryEvent = false; + const installer = new (class extends Installer { + constructor() { + super(host, { globalTypingsCacheLocation: cachePath, typesRegistry: createTypesRegistry("commander") }, /*telemetryEnabled*/ true); + } + installWorker(_requestId: number, _args: string[], _cwd: string, cb: server.typingsInstaller.RequestCompletedAction) { + const installedTypings = ["@types/commander"]; + const typingFiles = [commander]; + executeCommand(this, host, installedTypings, typingFiles, cb); + } + sendResponse(response: server.SetTypings | server.InvalidateCachedTypings | server.TypingsInstallEvent) { + if (response.kind === server.EventInstall) { + assert.deepEqual(response.packagesToInstall, ["@types/commander"]); + seenTelemetryEvent = true; + return; + } + super.sendResponse(response); + } + })(); + const projectService = createProjectService(host, { typingsInstaller: installer }); + projectService.openClientFile(f1.path); + + installer.installAll(/*expectedCount*/ 1); + + assert.isTrue(seenTelemetryEvent); + checkNumberOfProjects(projectService, { inferredProjects: 1 }); + checkProjectActualFiles(projectService.inferredProjects[0], [f1.path, commander.path]); + }); + }); } \ No newline at end of file diff --git a/src/server/editorServices.ts b/src/server/editorServices.ts index 6565940c22d08..fa3ee724d0990 100644 --- a/src/server/editorServices.ts +++ b/src/server/editorServices.ts @@ -286,10 +286,10 @@ namespace ts.server { return; } switch (response.kind) { - case "set": + case ActionSet: this.typingsCache.updateTypingsForProject(response.projectName, response.compilerOptions, response.typingOptions, response.unresolvedImports, response.typings); break; - case "invalidate": + case ActionInvalidate: this.typingsCache.deleteTypingsForProject(response.projectName); break; } diff --git a/src/server/protocol.ts b/src/server/protocol.ts index 7da95e49575f5..d13caf7f01b0c 100644 --- a/src/server/protocol.ts +++ b/src/server/protocol.ts @@ -2057,6 +2057,32 @@ namespace ts.server.protocol { childItems?: NavigationTree[]; } + export type TelemetryEventName = "telemetry"; + + export interface TelemetryEvent extends Event { + event: TelemetryEventName; + body: TelemetryEventBody; + } + + export interface TelemetryEventBody { + telemetryEventName: string; + payload: any; + } + + export type TypingsInstalledTelemetryEventName = "typingsInstalled"; + + export interface TypingsInstalledTelemetryEventBody extends TelemetryEventBody { + telemetryEventName: TypingsInstalledTelemetryEventName; + payload: TypingsInstalledTelemetryEventPayload; + } + + export interface TypingsInstalledTelemetryEventPayload { + /** + * Comma separated list of installed typing packages + */ + installedPackages: string; + } + export interface NavBarResponse extends Response { body?: NavigationBarItem[]; } diff --git a/src/server/server.ts b/src/server/server.ts index 4bab628f9a534..e0a608556b159 100644 --- a/src/server/server.ts +++ b/src/server/server.ts @@ -1,4 +1,5 @@ /// +/// /// // used in fs.writeSync /* tslint:disable:no-null-keyword */ @@ -17,7 +18,6 @@ namespace ts.server { homedir(): string } = require("os"); - function getGlobalTypingsCacheLocation() { let basePath: string; switch (process.platform) { @@ -184,8 +184,10 @@ namespace ts.server { private socket: NodeSocket; private projectService: ProjectService; private throttledOperations: ThrottledOperations; + private telemetrySender: EventSender; constructor( + private readonly telemetryEnabled: boolean, private readonly logger: server.Logger, host: ServerHost, eventPort: number, @@ -214,15 +216,22 @@ namespace ts.server { this.socket.write(formatMessage({ seq, type: "event", event, body }, this.logger, Buffer.byteLength, this.newLine), "utf8"); } + setTelemetrySender(telemetrySender: EventSender) { + this.telemetrySender = telemetrySender; + } + attach(projectService: ProjectService) { this.projectService = projectService; if (this.logger.hasLevel(LogLevel.requestTime)) { this.logger.info("Binding..."); } - const args: string[] = ["--globalTypingsCacheLocation", this.globalTypingsCacheLocation]; + const args: string[] = [Arguments.GlobalCacheLocation, this.globalTypingsCacheLocation]; + if (this.telemetryEnabled) { + args.push(Arguments.EnableTelemetry); + } if (this.logger.loggingEnabled() && this.logger.getLogFileName()) { - args.push("--logFile", combinePaths(getDirectoryPath(normalizeSlashes(this.logger.getLogFileName())), `ti-${process.pid}.log`)); + args.push(Arguments.LogFile, combinePaths(getDirectoryPath(normalizeSlashes(this.logger.getLogFileName())), `ti-${process.pid}.log`)); } const execArgv: string[] = []; { @@ -268,12 +277,25 @@ namespace ts.server { }); } - private handleMessage(response: SetTypings | InvalidateCachedTypings) { + private handleMessage(response: SetTypings | InvalidateCachedTypings | TypingsInstallEvent) { if (this.logger.hasLevel(LogLevel.verbose)) { this.logger.info(`Received response: ${JSON.stringify(response)}`); } + if (response.kind === EventInstall) { + if (this.telemetrySender) { + const body: protocol.TypingsInstalledTelemetryEventBody = { + telemetryEventName: "typingsInstalled", + payload: { + installedPackages: response.packagesToInstall.join(",") + } + }; + const eventName: protocol.TelemetryEventName = "telemetry"; + this.telemetrySender.event(body, eventName); + } + return; + } this.projectService.updateTypingsForProject(response); - if (response.kind == "set" && this.socket) { + if (response.kind == ActionSet && this.socket) { this.sendEvent(0, "setTypings", response); } } @@ -288,18 +310,25 @@ namespace ts.server { useSingleInferredProject: boolean, disableAutomaticTypingAcquisition: boolean, globalTypingsCacheLocation: string, + telemetryEnabled: boolean, logger: server.Logger) { - super( - host, - cancellationToken, - useSingleInferredProject, - disableAutomaticTypingAcquisition - ? nullTypingsInstaller - : new NodeTypingsInstaller(logger, host, installerEventPort, globalTypingsCacheLocation, host.newLine), - Buffer.byteLength, - process.hrtime, - logger, - canUseEvents); + const typingsInstaller = disableAutomaticTypingAcquisition + ? undefined + : new NodeTypingsInstaller(telemetryEnabled, logger, host, installerEventPort, globalTypingsCacheLocation, host.newLine); + + super( + host, + cancellationToken, + useSingleInferredProject, + typingsInstaller || nullTypingsInstaller, + Buffer.byteLength, + process.hrtime, + logger, + canUseEvents); + + if (telemetryEnabled && typingsInstaller) { + typingsInstaller.setTelemetrySender(this); + } } exit() { @@ -526,17 +555,17 @@ namespace ts.server { let eventPort: number; { - const index = sys.args.indexOf("--eventPort"); - if (index >= 0 && index < sys.args.length - 1) { - const v = parseInt(sys.args[index + 1]); - if (!isNaN(v)) { - eventPort = v; - } + const str = findArgument("--eventPort"); + const v = str && parseInt(str); + if (!isNaN(v)) { + eventPort = v; } } - const useSingleInferredProject = sys.args.indexOf("--useSingleInferredProject") >= 0; - const disableAutomaticTypingAcquisition = sys.args.indexOf("--disableAutomaticTypingAcquisition") >= 0; + const useSingleInferredProject = hasArgument("--useSingleInferredProject"); + const disableAutomaticTypingAcquisition = hasArgument("--disableAutomaticTypingAcquisition"); + const telemetryEnabled = hasArgument(Arguments.EnableTelemetry); + const ioSession = new IOSession( sys, cancellationToken, @@ -545,6 +574,7 @@ namespace ts.server { useSingleInferredProject, disableAutomaticTypingAcquisition, getGlobalTypingsCacheLocation(), + telemetryEnabled, logger); process.on("uncaughtException", function (err: Error) { ioSession.logError(err, "unknown"); diff --git a/src/server/session.ts b/src/server/session.ts index 545701f1449fa..b250393b7ffdb 100644 --- a/src/server/session.ts +++ b/src/server/session.ts @@ -73,6 +73,10 @@ namespace ts.server { project: Project; } + export interface EventSender { + event(payload: any, eventName: string): void; + } + function allEditsBeforePos(edits: ts.TextChange[], pos: number) { for (const edit of edits) { if (textSpanEnd(edit.span) >= pos) { @@ -165,7 +169,7 @@ namespace ts.server { return `Content-Length: ${1 + len}\r\n\r\n${json}${newLine}`; } - export class Session { + export class Session implements EventSender { private readonly gcTimer: GcTimer; protected projectService: ProjectService; private errorTimer: any; /*NodeJS.Timer | number*/ diff --git a/src/server/shared.ts b/src/server/shared.ts new file mode 100644 index 0000000000000..81a1f7fb55bc2 --- /dev/null +++ b/src/server/shared.ts @@ -0,0 +1,24 @@ +/// + +namespace ts.server { + export const ActionSet: ActionSet = "action::set"; + export const ActionInvalidate: ActionInvalidate = "action::invalidate"; + export const EventInstall: EventInstall = "event::install"; + + export namespace Arguments { + export const GlobalCacheLocation = "--globalTypingsCacheLocation"; + export const LogFile = "--logFile"; + export const EnableTelemetry = "--enableTelemetry"; + } + + export function hasArgument(argumentName: string) { + return sys.args.indexOf(argumentName) >= 0; + } + + export function findArgument(argumentName: string) { + const index = sys.args.indexOf(argumentName); + return index >= 0 && index < sys.args.length - 1 + ? sys.args[index + 1] + : undefined; + } +} \ No newline at end of file diff --git a/src/server/tsconfig.json b/src/server/tsconfig.json index a99994d97c5f9..85c8867916421 100644 --- a/src/server/tsconfig.json +++ b/src/server/tsconfig.json @@ -18,6 +18,7 @@ "files": [ "../services/shims.ts", "../services/utilities.ts", + "shared.ts", "utilities.ts", "scriptVersionCache.ts", "scriptInfo.ts", diff --git a/src/server/tsconfig.library.json b/src/server/tsconfig.library.json index e269629b55898..5483cc8ec289a 100644 --- a/src/server/tsconfig.library.json +++ b/src/server/tsconfig.library.json @@ -15,6 +15,7 @@ "files": [ "../services/shims.ts", "../services/utilities.ts", + "shared.ts", "utilities.ts", "scriptVersionCache.ts", "scriptInfo.ts", diff --git a/src/server/types.d.ts b/src/server/types.d.ts index ec2befe8fa9b6..1fc42f9405a4c 100644 --- a/src/server/types.d.ts +++ b/src/server/types.d.ts @@ -41,23 +41,37 @@ declare namespace ts.server { readonly kind: "closeProject"; } - export type SetRequest = "set"; - export type InvalidateRequest = "invalidate"; + export type ActionSet = "action::set"; + export type ActionInvalidate = "action::invalidate"; + export type EventInstall = "event::install"; + export interface TypingInstallerResponse { + readonly kind: ActionSet | ActionInvalidate | EventInstall; + } + + export interface ProjectResponse extends TypingInstallerResponse { readonly projectName: string; - readonly kind: SetRequest | InvalidateRequest; } - export interface SetTypings extends TypingInstallerResponse { + export interface SetTypings extends ProjectResponse { readonly typingOptions: ts.TypingOptions; readonly compilerOptions: ts.CompilerOptions; readonly typings: string[]; readonly unresolvedImports: SortedReadonlyArray; - readonly kind: SetRequest; + readonly kind: ActionSet; + } + + export interface InvalidateCachedTypings extends ProjectResponse { + readonly kind: ActionInvalidate; + } + + export interface InvalidateCachedTypings extends ProjectResponse { + readonly kind: ActionInvalidate; } - export interface InvalidateCachedTypings extends TypingInstallerResponse { - readonly kind: InvalidateRequest; + export interface TypingsInstallEvent extends TypingInstallerResponse { + readonly packagesToInstall: ReadonlyArray; + readonly kind: EventInstall; } export interface InstallTypingHost extends JsTyping.TypingResolutionHost { diff --git a/src/server/typingsInstaller/nodeTypingsInstaller.ts b/src/server/typingsInstaller/nodeTypingsInstaller.ts index 98a61719c5b4a..21e42606904be 100644 --- a/src/server/typingsInstaller/nodeTypingsInstaller.ts +++ b/src/server/typingsInstaller/nodeTypingsInstaller.ts @@ -75,12 +75,13 @@ namespace ts.server.typingsInstaller { private readonly npmPath: string; readonly typesRegistry: Map; - constructor(globalTypingsCacheLocation: string, throttleLimit: number, log: Log) { + constructor(globalTypingsCacheLocation: string, throttleLimit: number, telemetryEnabled: boolean, log: Log) { super( sys, globalTypingsCacheLocation, toPath("typingSafeList.json", __dirname, createGetCanonicalFileName(sys.useCaseSensitiveFileNames)), throttleLimit, + telemetryEnabled, log); if (this.log.isEnabled()) { this.log.writeLine(`Process id: ${process.pid}`); @@ -145,15 +146,10 @@ namespace ts.server.typingsInstaller { } } - function findArgument(argumentName: string) { - const index = sys.args.indexOf(argumentName); - return index >= 0 && index < sys.args.length - 1 - ? sys.args[index + 1] - : undefined; - } + const logFilePath = findArgument(server.Arguments.LogFile); + const globalTypingsCacheLocation = findArgument(server.Arguments.GlobalCacheLocation); + const telemetryEnabled = hasArgument(server.Arguments.EnableTelemetry); - const logFilePath = findArgument("--logFile"); - const globalTypingsCacheLocation = findArgument("--globalTypingsCacheLocation"); const log = new FileLog(logFilePath); if (log.isEnabled()) { process.on("uncaughtException", (e: Error) => { @@ -166,6 +162,6 @@ namespace ts.server.typingsInstaller { } process.exit(0); }); - const installer = new NodeTypingsInstaller(globalTypingsCacheLocation, /*throttleLimit*/5, log); + const installer = new NodeTypingsInstaller(globalTypingsCacheLocation, /*throttleLimit*/5, telemetryEnabled, log); installer.listen(); } \ No newline at end of file diff --git a/src/server/typingsInstaller/tsconfig.json b/src/server/typingsInstaller/tsconfig.json index c9b4d8f0ad14a..c6031b19aae48 100644 --- a/src/server/typingsInstaller/tsconfig.json +++ b/src/server/typingsInstaller/tsconfig.json @@ -17,6 +17,7 @@ }, "files": [ "../types.d.ts", + "../shared.ts", "typingsInstaller.ts", "nodeTypingsInstaller.ts" ] diff --git a/src/server/typingsInstaller/typingsInstaller.ts b/src/server/typingsInstaller/typingsInstaller.ts index 003f9d76473aa..02c4d71f18640 100644 --- a/src/server/typingsInstaller/typingsInstaller.ts +++ b/src/server/typingsInstaller/typingsInstaller.ts @@ -2,6 +2,7 @@ /// /// /// +/// namespace ts.server.typingsInstaller { interface NpmConfig { @@ -88,6 +89,7 @@ namespace ts.server.typingsInstaller { readonly globalCachePath: string, readonly safeListPath: Path, readonly throttleLimit: number, + readonly telemetryEnabled: boolean, protected readonly log = nullLog) { if (this.log.isEnabled()) { this.log.writeLine(`Global cache location '${globalCachePath}', safe file path '${safeListPath}'`); @@ -298,9 +300,17 @@ namespace ts.server.typingsInstaller { this.installRunCount++; this.installTypingsAsync(requestId, scopedTypings, cachePath, ok => { + if (this.telemetryEnabled) { + this.sendResponse({ + kind: EventInstall, + packagesToInstall: scopedTypings + }); + } + if (!ok) { return; } + // TODO: watch project directory if (this.log.isEnabled()) { this.log.writeLine(`Requested to install typings ${JSON.stringify(scopedTypings)}, installed typings ${JSON.stringify(scopedTypings)}`); @@ -354,7 +364,7 @@ namespace ts.server.typingsInstaller { this.log.writeLine(`Got FS notification for ${f}, handler is already invoked '${isInvoked}'`); } if (!isInvoked) { - this.sendResponse({ projectName: projectName, kind: "invalidate" }); + this.sendResponse({ projectName: projectName, kind: server.ActionInvalidate }); isInvoked = true; } }); @@ -370,7 +380,7 @@ namespace ts.server.typingsInstaller { compilerOptions: request.compilerOptions, typings, unresolvedImports: request.unresolvedImports, - kind: "set" + kind: ActionSet }; } @@ -392,6 +402,6 @@ namespace ts.server.typingsInstaller { } protected abstract installWorker(requestId: number, args: string[], cwd: string, onRequestCompleted: RequestCompletedAction): void; - protected abstract sendResponse(response: SetTypings | InvalidateCachedTypings): void; + protected abstract sendResponse(response: SetTypings | InvalidateCachedTypings | TypingsInstallEvent): void; } } \ No newline at end of file diff --git a/src/server/utilities.ts b/src/server/utilities.ts index 8806b759e3f8d..9a832d22c8d5c 100644 --- a/src/server/utilities.ts +++ b/src/server/utilities.ts @@ -1,4 +1,5 @@ /// +/// namespace ts.server { export enum LogLevel { @@ -10,6 +11,7 @@ namespace ts.server { export const emptyArray: ReadonlyArray = []; + export interface Logger { close(): void; hasLevel(level: LogLevel): boolean; From 8e8ec9f81d6282c70ef268736c5ed4541c3facbe Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Fri, 4 Nov 2016 12:01:20 -0700 Subject: [PATCH 23/31] Update LKG --- lib/protocol.d.ts | 20 +++ lib/tsserver.js | 89 ++++++++++--- lib/tsserverlibrary.d.ts | 34 ++++- lib/tsserverlibrary.js | 30 ++++- lib/typingsInstaller.js | 263 +++++++++++++++++++-------------------- 5 files changed, 281 insertions(+), 155 deletions(-) diff --git a/lib/protocol.d.ts b/lib/protocol.d.ts index 8cadd7d72fe02..7d1f9baa81f2b 100644 --- a/lib/protocol.d.ts +++ b/lib/protocol.d.ts @@ -1611,6 +1611,26 @@ declare namespace ts.server.protocol { spans: TextSpan[]; childItems?: NavigationTree[]; } + type TelemetryEventName = "telemetry"; + interface TelemetryEvent extends Event { + event: TelemetryEventName; + body: TelemetryEventBody; + } + interface TelemetryEventBody { + telemetryEventName: string; + payload: any; + } + type TypingsInstalledTelemetryEventName = "typingsInstalled"; + interface TypingsInstalledTelemetryEventBody extends TelemetryEventBody { + telemetryEventName: TypingsInstalledTelemetryEventName; + payload: TypingsInstalledTelemetryEventPayload; + } + interface TypingsInstalledTelemetryEventPayload { + /** + * Comma separated list of installed typing packages + */ + installedPackages: string; + } interface NavBarResponse extends Response { body?: NavigationBarItem[]; } diff --git a/lib/tsserver.js b/lib/tsserver.js index 86952bdb0275b..4495055baf83a 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -5868,6 +5868,32 @@ var ts; })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); })(ts || (ts = {})); var ts; +(function (ts) { + var server; + (function (server) { + server.ActionSet = "action::set"; + server.ActionInvalidate = "action::invalidate"; + server.EventInstall = "event::install"; + var Arguments; + (function (Arguments) { + Arguments.GlobalCacheLocation = "--globalTypingsCacheLocation"; + Arguments.LogFile = "--logFile"; + Arguments.EnableTelemetry = "--enableTelemetry"; + })(Arguments = server.Arguments || (server.Arguments = {})); + function hasArgument(argumentName) { + return ts.sys.args.indexOf(argumentName) >= 0; + } + server.hasArgument = hasArgument; + function findArgument(argumentName) { + var index = ts.sys.args.indexOf(argumentName); + return index >= 0 && index < ts.sys.args.length - 1 + ? ts.sys.args[index + 1] + : undefined; + } + server.findArgument = findArgument; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; (function (ts) { var server; (function (server) { @@ -63322,10 +63348,10 @@ var ts; return; } switch (response.kind) { - case "set": + case server.ActionSet: this.typingsCache.updateTypingsForProject(response.projectName, response.compilerOptions, response.typingOptions, response.unresolvedImports, response.typings); break; - case "invalidate": + case server.ActionInvalidate: this.typingsCache.deleteTypingsForProject(response.projectName); break; } @@ -66593,8 +66619,9 @@ var ts; return Logger; }()); var NodeTypingsInstaller = (function () { - function NodeTypingsInstaller(logger, host, eventPort, globalTypingsCacheLocation, newLine) { + function NodeTypingsInstaller(telemetryEnabled, logger, host, eventPort, globalTypingsCacheLocation, newLine) { var _this = this; + this.telemetryEnabled = telemetryEnabled; this.logger = logger; this.globalTypingsCacheLocation = globalTypingsCacheLocation; this.newLine = newLine; @@ -66619,15 +66646,21 @@ var ts; NodeTypingsInstaller.prototype.sendEvent = function (seq, event, body) { this.socket.write(server.formatMessage({ seq: seq, type: "event", event: event, body: body }, this.logger, Buffer.byteLength, this.newLine), "utf8"); }; + NodeTypingsInstaller.prototype.setTelemetrySender = function (telemetrySender) { + this.telemetrySender = telemetrySender; + }; NodeTypingsInstaller.prototype.attach = function (projectService) { var _this = this; this.projectService = projectService; if (this.logger.hasLevel(server.LogLevel.requestTime)) { this.logger.info("Binding..."); } - var args = ["--globalTypingsCacheLocation", this.globalTypingsCacheLocation]; + var args = [server.Arguments.GlobalCacheLocation, this.globalTypingsCacheLocation]; + if (this.telemetryEnabled) { + args.push(server.Arguments.EnableTelemetry); + } if (this.logger.loggingEnabled() && this.logger.getLogFileName()) { - args.push("--logFile", ts.combinePaths(ts.getDirectoryPath(ts.normalizeSlashes(this.logger.getLogFileName())), "ti-" + process.pid + ".log")); + args.push(server.Arguments.LogFile, ts.combinePaths(ts.getDirectoryPath(ts.normalizeSlashes(this.logger.getLogFileName())), "ti-" + process.pid + ".log")); } var execArgv = []; { @@ -66672,8 +66705,21 @@ var ts; if (this.logger.hasLevel(server.LogLevel.verbose)) { this.logger.info("Received response: " + JSON.stringify(response)); } + if (response.kind === server.EventInstall) { + if (this.telemetrySender) { + var body = { + telemetryEventName: "typingsInstalled", + payload: { + installedPackages: response.packagesToInstall.join(",") + } + }; + var eventName = "telemetry"; + this.telemetrySender.event(body, eventName); + } + return; + } this.projectService.updateTypingsForProject(response); - if (response.kind == "set" && this.socket) { + if (response.kind == server.ActionSet && this.socket) { this.sendEvent(0, "setTypings", response); } }; @@ -66681,10 +66727,16 @@ var ts; }()); var IOSession = (function (_super) { __extends(IOSession, _super); - function IOSession(host, cancellationToken, installerEventPort, canUseEvents, useSingleInferredProject, disableAutomaticTypingAcquisition, globalTypingsCacheLocation, logger) { - return _super.call(this, host, cancellationToken, useSingleInferredProject, disableAutomaticTypingAcquisition - ? server.nullTypingsInstaller - : new NodeTypingsInstaller(logger, host, installerEventPort, globalTypingsCacheLocation, host.newLine), Buffer.byteLength, process.hrtime, logger, canUseEvents) || this; + function IOSession(host, cancellationToken, installerEventPort, canUseEvents, useSingleInferredProject, disableAutomaticTypingAcquisition, globalTypingsCacheLocation, telemetryEnabled, logger) { + var _this; + var typingsInstaller = disableAutomaticTypingAcquisition + ? undefined + : new NodeTypingsInstaller(telemetryEnabled, logger, host, installerEventPort, globalTypingsCacheLocation, host.newLine); + _this = _super.call(this, host, cancellationToken, useSingleInferredProject, typingsInstaller || server.nullTypingsInstaller, Buffer.byteLength, process.hrtime, logger, canUseEvents) || this; + if (telemetryEnabled && typingsInstaller) { + typingsInstaller.setTelemetrySender(_this); + } + return _this; } IOSession.prototype.exit = function () { this.logger.info("Exiting..."); @@ -66864,17 +66916,16 @@ var ts; ; var eventPort; { - var index = sys.args.indexOf("--eventPort"); - if (index >= 0 && index < sys.args.length - 1) { - var v = parseInt(sys.args[index + 1]); - if (!isNaN(v)) { - eventPort = v; - } + var str = server.findArgument("--eventPort"); + var v = str && parseInt(str); + if (!isNaN(v)) { + eventPort = v; } } - var useSingleInferredProject = sys.args.indexOf("--useSingleInferredProject") >= 0; - var disableAutomaticTypingAcquisition = sys.args.indexOf("--disableAutomaticTypingAcquisition") >= 0; - var ioSession = new IOSession(sys, cancellationToken, eventPort, eventPort === undefined, useSingleInferredProject, disableAutomaticTypingAcquisition, getGlobalTypingsCacheLocation(), logger); + var useSingleInferredProject = server.hasArgument("--useSingleInferredProject"); + var disableAutomaticTypingAcquisition = server.hasArgument("--disableAutomaticTypingAcquisition"); + var telemetryEnabled = server.hasArgument(server.Arguments.EnableTelemetry); + var ioSession = new IOSession(sys, cancellationToken, eventPort, eventPort === undefined, useSingleInferredProject, disableAutomaticTypingAcquisition, getGlobalTypingsCacheLocation(), telemetryEnabled, logger); process.on("uncaughtException", function (err) { ioSession.logError(err, "unknown"); }); diff --git a/lib/tsserverlibrary.d.ts b/lib/tsserverlibrary.d.ts index 5ff54e33d7b44..a5f552b16a8a6 100644 --- a/lib/tsserverlibrary.d.ts +++ b/lib/tsserverlibrary.d.ts @@ -690,6 +690,23 @@ declare namespace ts.server.protocol { spans: TextSpan[]; childItems?: NavigationTree[]; } + type TelemetryEventName = "telemetry"; + interface TelemetryEvent extends Event { + event: TelemetryEventName; + body: TelemetryEventBody; + } + interface TelemetryEventBody { + telemetryEventName: string; + payload: any; + } + type TypingsInstalledTelemetryEventName = "typingsInstalled"; + interface TypingsInstalledTelemetryEventBody extends TelemetryEventBody { + telemetryEventName: TypingsInstalledTelemetryEventName; + payload: TypingsInstalledTelemetryEventPayload; + } + interface TypingsInstalledTelemetryEventPayload { + installedPackages: string; + } interface NavBarResponse extends Response { body?: NavigationBarItem[]; } @@ -8398,6 +8415,18 @@ declare namespace ts.JsTyping { filesToWatch: string[]; }; } +declare namespace ts.server { + const ActionSet: ActionSet; + const ActionInvalidate: ActionInvalidate; + const EventInstall: EventInstall; + namespace Arguments { + const GlobalCacheLocation = "--globalTypingsCacheLocation"; + const LogFile = "--logFile"; + const EnableTelemetry = "--enableTelemetry"; + } + function hasArgument(argumentName: string): boolean; + function findArgument(argumentName: string): string; +} declare namespace ts.server { enum LogLevel { terse = 0, @@ -10902,6 +10931,9 @@ declare namespace ts.server { fileName: NormalizedPath; project: Project; } + interface EventSender { + event(payload: any, eventName: string): void; + } namespace CommandNames { const Brace: protocol.CommandTypes.Brace; const BraceFull: protocol.CommandTypes.BraceFull; @@ -10973,7 +11005,7 @@ declare namespace ts.server { const GetSupportedCodeFixes: protocol.CommandTypes.GetSupportedCodeFixes; } function formatMessage(msg: T, logger: server.Logger, byteLength: (s: string, encoding: string) => number, newLine: string): string; - class Session { + class Session implements EventSender { private host; protected readonly typingsInstaller: ITypingsInstaller; private byteLength; diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js index 28bd566bf5c22..eda0b2dfb1217 100644 --- a/lib/tsserverlibrary.js +++ b/lib/tsserverlibrary.js @@ -5868,6 +5868,32 @@ var ts; })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); })(ts || (ts = {})); var ts; +(function (ts) { + var server; + (function (server) { + server.ActionSet = "action::set"; + server.ActionInvalidate = "action::invalidate"; + server.EventInstall = "event::install"; + var Arguments; + (function (Arguments) { + Arguments.GlobalCacheLocation = "--globalTypingsCacheLocation"; + Arguments.LogFile = "--logFile"; + Arguments.EnableTelemetry = "--enableTelemetry"; + })(Arguments = server.Arguments || (server.Arguments = {})); + function hasArgument(argumentName) { + return ts.sys.args.indexOf(argumentName) >= 0; + } + server.hasArgument = hasArgument; + function findArgument(argumentName) { + var index = ts.sys.args.indexOf(argumentName); + return index >= 0 && index < ts.sys.args.length - 1 + ? ts.sys.args[index + 1] + : undefined; + } + server.findArgument = findArgument; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; (function (ts) { var server; (function (server) { @@ -63322,10 +63348,10 @@ var ts; return; } switch (response.kind) { - case "set": + case server.ActionSet: this.typingsCache.updateTypingsForProject(response.projectName, response.compilerOptions, response.typingOptions, response.unresolvedImports, response.typings); break; - case "invalidate": + case server.ActionInvalidate: this.typingsCache.deleteTypingsForProject(response.projectName); break; } diff --git a/lib/typingsInstaller.js b/lib/typingsInstaller.js index f4b9d66aef02f..2cd89cdc02927 100644 --- a/lib/typingsInstaller.js +++ b/lib/typingsInstaller.js @@ -5868,6 +5868,32 @@ var ts; })(JsTyping = ts.JsTyping || (ts.JsTyping = {})); })(ts || (ts = {})); var ts; +(function (ts) { + var server; + (function (server) { + server.ActionSet = "action::set"; + server.ActionInvalidate = "action::invalidate"; + server.EventInstall = "event::install"; + var Arguments; + (function (Arguments) { + Arguments.GlobalCacheLocation = "--globalTypingsCacheLocation"; + Arguments.LogFile = "--logFile"; + Arguments.EnableTelemetry = "--enableTelemetry"; + })(Arguments = server.Arguments || (server.Arguments = {})); + function hasArgument(argumentName) { + return ts.sys.args.indexOf(argumentName) >= 0; + } + server.hasArgument = hasArgument; + function findArgument(argumentName) { + var index = ts.sys.args.indexOf(argumentName); + return index >= 0 && index < ts.sys.args.length - 1 + ? ts.sys.args[index + 1] + : undefined; + } + server.findArgument = findArgument; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; (function (ts) { function trace(host) { host.trace(ts.formatMessage.apply(undefined, arguments)); @@ -6468,14 +6494,14 @@ var ts; return PackageNameValidationResult.Ok; } typingsInstaller.validatePackageName = validatePackageName; - typingsInstaller.NpmViewRequest = "npm view"; - typingsInstaller.NpmInstallRequest = "npm install"; var TypingsInstaller = (function () { - function TypingsInstaller(globalCachePath, safeListPath, throttleLimit, log) { + function TypingsInstaller(installTypingHost, globalCachePath, safeListPath, throttleLimit, telemetryEnabled, log) { if (log === void 0) { log = nullLog; } + this.installTypingHost = installTypingHost; this.globalCachePath = globalCachePath; this.safeListPath = safeListPath; this.throttleLimit = throttleLimit; + this.telemetryEnabled = telemetryEnabled; this.log = log; this.packageNameToTypingLocation = ts.createMap(); this.missingTypingsSet = ts.createMap(); @@ -6487,10 +6513,8 @@ var ts; if (this.log.isEnabled()) { this.log.writeLine("Global cache location '" + globalCachePath + "', safe file path '" + safeListPath + "'"); } - } - TypingsInstaller.prototype.init = function () { this.processCacheLocation(this.globalCachePath); - }; + } TypingsInstaller.prototype.closeProject = function (req) { this.closeWatchers(req.projectName); }; @@ -6589,7 +6613,7 @@ var ts; } this.knownCachesSet[cacheLocation] = true; }; - TypingsInstaller.prototype.filterTypings = function (typingsToInstall) { + TypingsInstaller.prototype.filterAndMapToScopedName = function (typingsToInstall) { if (typingsToInstall.length === 0) { return typingsToInstall; } @@ -6601,7 +6625,14 @@ var ts; } var validationResult = validatePackageName(typing); if (validationResult === PackageNameValidationResult.Ok) { - result.push(typing); + if (typing in this.typesRegistry) { + result.push("@types/" + typing); + } + else { + if (this.log.isEnabled()) { + this.log.writeLine("Entry for package '" + typing + "' does not exist in local types registry - skipping..."); + } + } } else { this.missingTypingsSet[typing] = true; @@ -6631,42 +6662,54 @@ var ts; } return result; }; + TypingsInstaller.prototype.ensurePackageDirectoryExists = function (directory) { + var npmConfigPath = ts.combinePaths(directory, "package.json"); + if (this.log.isEnabled()) { + this.log.writeLine("Npm config file: " + npmConfigPath); + } + if (!this.installTypingHost.fileExists(npmConfigPath)) { + if (this.log.isEnabled()) { + this.log.writeLine("Npm config file: '" + npmConfigPath + "' is missing, creating new one..."); + } + this.ensureDirectoryExists(directory, this.installTypingHost); + this.installTypingHost.writeFile(npmConfigPath, "{}"); + } + }; TypingsInstaller.prototype.installTypings = function (req, cachePath, currentlyCachedTypings, typingsToInstall) { var _this = this; if (this.log.isEnabled()) { this.log.writeLine("Installing typings " + JSON.stringify(typingsToInstall)); } - typingsToInstall = this.filterTypings(typingsToInstall); - if (typingsToInstall.length === 0) { + var scopedTypings = this.filterAndMapToScopedName(typingsToInstall); + if (scopedTypings.length === 0) { if (this.log.isEnabled()) { this.log.writeLine("All typings are known to be missing or invalid - no need to go any further"); } return; } - var npmConfigPath = ts.combinePaths(cachePath, "package.json"); - if (this.log.isEnabled()) { - this.log.writeLine("Npm config file: " + npmConfigPath); - } - if (!this.installTypingHost.fileExists(npmConfigPath)) { - if (this.log.isEnabled()) { - this.log.writeLine("Npm config file: '" + npmConfigPath + "' is missing, creating new one..."); + this.ensurePackageDirectoryExists(cachePath); + var requestId = this.installRunCount; + this.installRunCount++; + this.installTypingsAsync(requestId, scopedTypings, cachePath, function (ok) { + if (_this.telemetryEnabled) { + _this.sendResponse({ + kind: server.EventInstall, + packagesToInstall: scopedTypings + }); + } + if (!ok) { + return; } - this.ensureDirectoryExists(cachePath, this.installTypingHost); - this.installTypingHost.writeFile(npmConfigPath, "{}"); - } - this.runInstall(cachePath, typingsToInstall, function (installedTypings) { if (_this.log.isEnabled()) { - _this.log.writeLine("Requested to install typings " + JSON.stringify(typingsToInstall) + ", installed typings " + JSON.stringify(installedTypings)); + _this.log.writeLine("Requested to install typings " + JSON.stringify(scopedTypings) + ", installed typings " + JSON.stringify(scopedTypings)); } - var installedPackages = ts.createMap(); var installedTypingFiles = []; - for (var _i = 0, installedTypings_1 = installedTypings; _i < installedTypings_1.length; _i++) { - var t = installedTypings_1[_i]; + for (var _i = 0, scopedTypings_1 = scopedTypings; _i < scopedTypings_1.length; _i++) { + var t = scopedTypings_1[_i]; var packageName = ts.getBaseFileName(t); if (!packageName) { continue; } - installedPackages[packageName] = true; var typingFile = typingToFileName(cachePath, packageName, _this.installTypingHost); if (!typingFile) { continue; @@ -6679,49 +6722,9 @@ var ts; if (_this.log.isEnabled()) { _this.log.writeLine("Installed typing files " + JSON.stringify(installedTypingFiles)); } - for (var _a = 0, typingsToInstall_2 = typingsToInstall; _a < typingsToInstall_2.length; _a++) { - var toInstall = typingsToInstall_2[_a]; - if (!installedPackages[toInstall]) { - if (_this.log.isEnabled()) { - _this.log.writeLine("New missing typing package '" + toInstall + "'"); - } - _this.missingTypingsSet[toInstall] = true; - } - } _this.sendResponse(_this.createSetTypings(req, currentlyCachedTypings.concat(installedTypingFiles))); }); }; - TypingsInstaller.prototype.runInstall = function (cachePath, typingsToInstall, postInstallAction) { - var requestId = this.installRunCount; - this.installRunCount++; - var execInstallCmdCount = 0; - var filteredTypings = []; - for (var _i = 0, typingsToInstall_3 = typingsToInstall; _i < typingsToInstall_3.length; _i++) { - var typing = typingsToInstall_3[_i]; - filterExistingTypings(this, typing); - } - function filterExistingTypings(self, typing) { - self.execAsync(typingsInstaller.NpmViewRequest, requestId, [typing], cachePath, function (ok) { - if (ok) { - filteredTypings.push(typing); - } - execInstallCmdCount++; - if (execInstallCmdCount === typingsToInstall.length) { - installFilteredTypings(self, filteredTypings); - } - }); - } - function installFilteredTypings(self, filteredTypings) { - if (filteredTypings.length === 0) { - postInstallAction([]); - return; - } - var scopedTypings = filteredTypings.map(function (t) { return "@types/" + t; }); - self.execAsync(typingsInstaller.NpmInstallRequest, requestId, scopedTypings, cachePath, function (ok) { - postInstallAction(ok ? scopedTypings : []); - }); - } - }; TypingsInstaller.prototype.ensureDirectoryExists = function (directory, host) { var directoryName = ts.getDirectoryPath(directory); if (!host.directoryExists(directoryName)) { @@ -6746,7 +6749,7 @@ var ts; _this.log.writeLine("Got FS notification for " + f + ", handler is already invoked '" + isInvoked + "'"); } if (!isInvoked) { - _this.sendResponse({ projectName: projectName, kind: "invalidate" }); + _this.sendResponse({ projectName: projectName, kind: server.ActionInvalidate }); isInvoked = true; } }); @@ -6761,11 +6764,11 @@ var ts; compilerOptions: request.compilerOptions, typings: typings, unresolvedImports: request.unresolvedImports, - kind: "set" + kind: server.ActionSet }; }; - TypingsInstaller.prototype.execAsync = function (requestKind, requestId, args, cwd, onRequestCompleted) { - this.pendingRunRequests.unshift({ requestKind: requestKind, requestId: requestId, args: args, cwd: cwd, onRequestCompleted: onRequestCompleted }); + TypingsInstaller.prototype.installTypingsAsync = function (requestId, args, cwd, onRequestCompleted) { + this.pendingRunRequests.unshift({ requestId: requestId, args: args, cwd: cwd, onRequestCompleted: onRequestCompleted }); this.executeWithThrottling(); }; TypingsInstaller.prototype.executeWithThrottling = function () { @@ -6773,7 +6776,7 @@ var ts; var _loop_1 = function () { this_1.inFlightRequestCount++; var request = this_1.pendingRunRequests.pop(); - this_1.executeRequest(request.requestKind, request.requestId, request.args, request.cwd, function (ok) { + this_1.installWorker(request.requestId, request.args, request.cwd, function (ok) { _this.inFlightRequestCount--; request.onRequestCompleted(ok); _this.executeWithThrottling(); @@ -6818,22 +6821,56 @@ var ts; return "npm"; } } + function loadTypesRegistryFile(typesRegistryFilePath, host, log) { + if (!host.fileExists(typesRegistryFilePath)) { + if (log.isEnabled()) { + log.writeLine("Types registry file '" + typesRegistryFilePath + "' does not exist"); + } + return ts.createMap(); + } + try { + var content = JSON.parse(host.readFile(typesRegistryFilePath)); + return ts.createMap(content.entries); + } + catch (e) { + if (log.isEnabled()) { + log.writeLine("Error when loading types registry file '" + typesRegistryFilePath + "': " + e.message + ", " + e.stack); + } + return ts.createMap(); + } + } + var TypesRegistryPackageName = "types-registry"; + function getTypesRegistryFileLocation(globalTypingsCacheLocation) { + return ts.combinePaths(ts.normalizeSlashes(globalTypingsCacheLocation), "node_modules/" + TypesRegistryPackageName + "/index.json"); + } var NodeTypingsInstaller = (function (_super) { __extends(NodeTypingsInstaller, _super); - function NodeTypingsInstaller(globalTypingsCacheLocation, throttleLimit, log) { - var _this = _super.call(this, globalTypingsCacheLocation, ts.toPath("typingSafeList.json", __dirname, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)), throttleLimit, log) || this; - _this.installTypingHost = ts.sys; + function NodeTypingsInstaller(globalTypingsCacheLocation, throttleLimit, telemetryEnabled, log) { + var _this = _super.call(this, ts.sys, globalTypingsCacheLocation, ts.toPath("typingSafeList.json", __dirname, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)), throttleLimit, telemetryEnabled, log) || this; if (_this.log.isEnabled()) { _this.log.writeLine("Process id: " + process.pid); } _this.npmPath = getNPMLocation(process.argv[0]); - _this.exec = require("child_process").exec; - _this.httpGet = require("http").get; + var execSync; + (_a = require("child_process"), _this.exec = _a.exec, execSync = _a.execSync, _a); + _this.ensurePackageDirectoryExists(globalTypingsCacheLocation); + try { + if (_this.log.isEnabled()) { + _this.log.writeLine("Updating " + TypesRegistryPackageName + " npm package..."); + } + execSync(_this.npmPath + " install " + TypesRegistryPackageName, { cwd: globalTypingsCacheLocation, stdio: "ignore" }); + } + catch (e) { + if (_this.log.isEnabled()) { + _this.log.writeLine("Error updating " + TypesRegistryPackageName + " package: " + e.message); + } + } + _this.typesRegistry = loadTypesRegistryFile(getTypesRegistryFileLocation(globalTypingsCacheLocation), _this.installTypingHost, _this.log); return _this; + var _a; } - NodeTypingsInstaller.prototype.init = function () { + NodeTypingsInstaller.prototype.listen = function () { var _this = this; - _super.prototype.init.call(this); process.on("message", function (req) { switch (req.kind) { case "discover": @@ -6853,66 +6890,26 @@ var ts; this.log.writeLine("Response has been sent."); } }; - NodeTypingsInstaller.prototype.executeRequest = function (requestKind, requestId, args, cwd, onRequestCompleted) { + NodeTypingsInstaller.prototype.installWorker = function (requestId, args, cwd, onRequestCompleted) { var _this = this; if (this.log.isEnabled()) { - this.log.writeLine("#" + requestId + " executing " + requestKind + ", arguments'" + JSON.stringify(args) + "'."); - } - switch (requestKind) { - case typingsInstaller.NpmViewRequest: - { - ts.Debug.assert(args.length === 1); - var url_1 = "http://registry.npmjs.org/@types%2f" + args[0]; - var start_2 = Date.now(); - this.httpGet(url_1, function (response) { - var ok = false; - if (_this.log.isEnabled()) { - _this.log.writeLine(requestKind + " #" + requestId + " request to " + url_1 + ":: status code " + response.statusCode + ", status message '" + response.statusMessage + "', took " + (Date.now() - start_2) + " ms"); - } - switch (response.statusCode) { - case 200: - case 301: - case 302: - ok = true; - break; - } - response.destroy(); - onRequestCompleted(ok); - }).on("error", function (err) { - if (_this.log.isEnabled()) { - _this.log.writeLine(requestKind + " #" + requestId + " query to npm registry failed with error " + err.message + ", stack " + err.stack); - } - onRequestCompleted(false); - }); - } - break; - case typingsInstaller.NpmInstallRequest: - { - var command = this.npmPath + " install " + args.join(" ") + " --save-dev"; - var start_3 = Date.now(); - this.exec(command, { cwd: cwd }, function (_err, stdout, stderr) { - if (_this.log.isEnabled()) { - _this.log.writeLine(requestKind + " #" + requestId + " took: " + (Date.now() - start_3) + " ms" + ts.sys.newLine + "stdout: " + stdout + ts.sys.newLine + "stderr: " + stderr); - } - onRequestCompleted(!!stdout); - }); - } - break; - default: - ts.Debug.assert(false, "Unknown request kind " + requestKind); + this.log.writeLine("#" + requestId + " with arguments'" + JSON.stringify(args) + "'."); } + var command = this.npmPath + " install " + args.join(" ") + " --save-dev"; + var start = Date.now(); + this.exec(command, { cwd: cwd }, function (_err, stdout, stderr) { + if (_this.log.isEnabled()) { + _this.log.writeLine("npm install #" + requestId + " took: " + (Date.now() - start) + " ms" + ts.sys.newLine + "stdout: " + stdout + ts.sys.newLine + "stderr: " + stderr); + } + onRequestCompleted(!!stdout); + }); }; return NodeTypingsInstaller; }(typingsInstaller.TypingsInstaller)); typingsInstaller.NodeTypingsInstaller = NodeTypingsInstaller; - function findArgument(argumentName) { - var index = ts.sys.args.indexOf(argumentName); - return index >= 0 && index < ts.sys.args.length - 1 - ? ts.sys.args[index + 1] - : undefined; - } - var logFilePath = findArgument("--logFile"); - var globalTypingsCacheLocation = findArgument("--globalTypingsCacheLocation"); + var logFilePath = server.findArgument(server.Arguments.LogFile); + var globalTypingsCacheLocation = server.findArgument(server.Arguments.GlobalCacheLocation); + var telemetryEnabled = server.hasArgument(server.Arguments.EnableTelemetry); var log = new FileLog(logFilePath); if (log.isEnabled()) { process.on("uncaughtException", function (e) { @@ -6925,8 +6922,8 @@ var ts; } process.exit(0); }); - var installer = new NodeTypingsInstaller(globalTypingsCacheLocation, 5, log); - installer.init(); + var installer = new NodeTypingsInstaller(globalTypingsCacheLocation, 5, telemetryEnabled, log); + installer.listen(); })(typingsInstaller = server.typingsInstaller || (server.typingsInstaller = {})); })(server = ts.server || (ts.server = {})); })(ts || (ts = {})); From da4985e427f41d310d0de107b2551e9cf09a71c3 Mon Sep 17 00:00:00 2001 From: Ron Buckton Date: Mon, 7 Nov 2016 16:03:04 -0800 Subject: [PATCH 24/31] Reuse subtree transform flags for incrementally parsed nodes (#12088) --- src/compiler/binder.ts | 62 ++++++++++++++++++++++ src/compiler/visitor.ts | 60 --------------------- src/harness/unittests/incrementalParser.ts | 24 ++++++--- src/services/services.ts | 2 - 4 files changed, 79 insertions(+), 69 deletions(-) diff --git a/src/compiler/binder.ts b/src/compiler/binder.ts index cc447a55d49e1..a5f965bf929e0 100644 --- a/src/compiler/binder.ts +++ b/src/compiler/binder.ts @@ -560,6 +560,7 @@ namespace ts { skipTransformFlagAggregation = true; bindChildrenWorker(node); skipTransformFlagAggregation = false; + subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } else { const savedSubtreeTransformFlags = subtreeTransformFlags; @@ -3209,4 +3210,65 @@ namespace ts { node.transformFlags = transformFlags | TransformFlags.HasComputedFlags; return transformFlags & ~excludeFlags; } + + /** + * Gets the transform flags to exclude when unioning the transform flags of a subtree. + * + * NOTE: This needs to be kept up-to-date with the exclusions used in `computeTransformFlagsForNode`. + * For performance reasons, `computeTransformFlagsForNode` uses local constant values rather + * than calling this function. + */ + /* @internal */ + export function getTransformFlagsSubtreeExclusions(kind: SyntaxKind) { + if (kind >= SyntaxKind.FirstTypeNode && kind <= SyntaxKind.LastTypeNode) { + return TransformFlags.TypeExcludes; + } + + switch (kind) { + case SyntaxKind.CallExpression: + case SyntaxKind.NewExpression: + case SyntaxKind.ArrayLiteralExpression: + return TransformFlags.ArrayLiteralOrCallOrNewExcludes; + case SyntaxKind.ModuleDeclaration: + return TransformFlags.ModuleExcludes; + case SyntaxKind.Parameter: + return TransformFlags.ParameterExcludes; + case SyntaxKind.ArrowFunction: + return TransformFlags.ArrowFunctionExcludes; + case SyntaxKind.FunctionExpression: + case SyntaxKind.FunctionDeclaration: + return TransformFlags.FunctionExcludes; + case SyntaxKind.VariableDeclarationList: + return TransformFlags.VariableDeclarationListExcludes; + case SyntaxKind.ClassDeclaration: + case SyntaxKind.ClassExpression: + return TransformFlags.ClassExcludes; + case SyntaxKind.Constructor: + return TransformFlags.ConstructorExcludes; + case SyntaxKind.MethodDeclaration: + case SyntaxKind.GetAccessor: + case SyntaxKind.SetAccessor: + return TransformFlags.MethodOrAccessorExcludes; + case SyntaxKind.AnyKeyword: + case SyntaxKind.NumberKeyword: + case SyntaxKind.NeverKeyword: + case SyntaxKind.StringKeyword: + case SyntaxKind.BooleanKeyword: + case SyntaxKind.SymbolKeyword: + case SyntaxKind.VoidKeyword: + case SyntaxKind.TypeParameter: + case SyntaxKind.PropertySignature: + case SyntaxKind.MethodSignature: + case SyntaxKind.CallSignature: + case SyntaxKind.ConstructSignature: + case SyntaxKind.IndexSignature: + case SyntaxKind.InterfaceDeclaration: + case SyntaxKind.TypeAliasDeclaration: + return TransformFlags.TypeExcludes; + case SyntaxKind.ObjectLiteralExpression: + return TransformFlags.ObjectLiteralExcludes; + default: + return TransformFlags.NodeExcludes; + } + } } diff --git a/src/compiler/visitor.ts b/src/compiler/visitor.ts index 7d5558d5fb2ab..ecceaa8ad8ab0 100644 --- a/src/compiler/visitor.ts +++ b/src/compiler/visitor.ts @@ -1268,66 +1268,6 @@ namespace ts { return transformFlags | aggregateTransformFlagsForNode(child); } - /** - * Gets the transform flags to exclude when unioning the transform flags of a subtree. - * - * NOTE: This needs to be kept up-to-date with the exclusions used in `computeTransformFlagsForNode`. - * For performance reasons, `computeTransformFlagsForNode` uses local constant values rather - * than calling this function. - */ - function getTransformFlagsSubtreeExclusions(kind: SyntaxKind) { - if (kind >= SyntaxKind.FirstTypeNode && kind <= SyntaxKind.LastTypeNode) { - return TransformFlags.TypeExcludes; - } - - switch (kind) { - case SyntaxKind.CallExpression: - case SyntaxKind.NewExpression: - case SyntaxKind.ArrayLiteralExpression: - return TransformFlags.ArrayLiteralOrCallOrNewExcludes; - case SyntaxKind.ModuleDeclaration: - return TransformFlags.ModuleExcludes; - case SyntaxKind.Parameter: - return TransformFlags.ParameterExcludes; - case SyntaxKind.ArrowFunction: - return TransformFlags.ArrowFunctionExcludes; - case SyntaxKind.FunctionExpression: - case SyntaxKind.FunctionDeclaration: - return TransformFlags.FunctionExcludes; - case SyntaxKind.VariableDeclarationList: - return TransformFlags.VariableDeclarationListExcludes; - case SyntaxKind.ClassDeclaration: - case SyntaxKind.ClassExpression: - return TransformFlags.ClassExcludes; - case SyntaxKind.Constructor: - return TransformFlags.ConstructorExcludes; - case SyntaxKind.MethodDeclaration: - case SyntaxKind.GetAccessor: - case SyntaxKind.SetAccessor: - return TransformFlags.MethodOrAccessorExcludes; - case SyntaxKind.AnyKeyword: - case SyntaxKind.NumberKeyword: - case SyntaxKind.NeverKeyword: - case SyntaxKind.StringKeyword: - case SyntaxKind.BooleanKeyword: - case SyntaxKind.SymbolKeyword: - case SyntaxKind.VoidKeyword: - case SyntaxKind.TypeParameter: - case SyntaxKind.PropertySignature: - case SyntaxKind.MethodSignature: - case SyntaxKind.CallSignature: - case SyntaxKind.ConstructSignature: - case SyntaxKind.IndexSignature: - case SyntaxKind.InterfaceDeclaration: - case SyntaxKind.TypeAliasDeclaration: - return TransformFlags.TypeExcludes; - case SyntaxKind.ObjectLiteralExpression: - return TransformFlags.ObjectLiteralExcludes; - default: - return TransformFlags.NodeExcludes; - } - } - export namespace Debug { export const failNotOptional = shouldAssert(AssertionLevel.Normal) ? (message?: string) => assert(false, message || "Node not optional.") diff --git a/src/harness/unittests/incrementalParser.ts b/src/harness/unittests/incrementalParser.ts index 0082207e6994f..6088e5fe082b5 100644 --- a/src/harness/unittests/incrementalParser.ts +++ b/src/harness/unittests/incrementalParser.ts @@ -44,10 +44,10 @@ namespace ts { // NOTE: 'reusedElements' is the expected count of elements reused from the old tree to the new // tree. It may change as we tweak the parser. If the count increases then that should always - // be a good thing. If it decreases, that's not great (less reusability), but that may be - // unavoidable. If it does decrease an investigation should be done to make sure that things + // be a good thing. If it decreases, that's not great (less reusability), but that may be + // unavoidable. If it does decrease an investigation should be done to make sure that things // are still ok and we're still appropriately reusing most of the tree. - function compareTrees(oldText: IScriptSnapshot, newText: IScriptSnapshot, textChangeRange: TextChangeRange, expectedReusedElements: number, oldTree?: SourceFile): SourceFile { + function compareTrees(oldText: IScriptSnapshot, newText: IScriptSnapshot, textChangeRange: TextChangeRange, expectedReusedElements: number, oldTree?: SourceFile) { oldTree = oldTree || createTree(oldText, /*version:*/ "."); Utils.assertInvariants(oldTree, /*parent:*/ undefined); @@ -76,7 +76,7 @@ namespace ts { assert.equal(actualReusedCount, expectedReusedElements, actualReusedCount + " !== " + expectedReusedElements); } - return incrementalNewTree; + return { oldTree, newTree, incrementalNewTree }; } function reusedElements(oldNode: SourceFile, newNode: SourceFile): number { @@ -103,7 +103,7 @@ namespace ts { for (let i = 0; i < repeat; i++) { const oldText = ScriptSnapshot.fromString(source); const newTextAndChange = withDelete(oldText, index, 1); - const newTree = compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, -1, oldTree); + const newTree = compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, -1, oldTree).incrementalNewTree; source = newTextAndChange.text.getText(0, newTextAndChange.text.getLength()); oldTree = newTree; @@ -116,7 +116,7 @@ namespace ts { for (let i = 0; i < repeat; i++) { const oldText = ScriptSnapshot.fromString(source); const newTextAndChange = withInsert(oldText, index + i, toInsert.charAt(i)); - const newTree = compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, -1, oldTree); + const newTree = compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, -1, oldTree).incrementalNewTree; source = newTextAndChange.text.getText(0, newTextAndChange.text.getLength()); oldTree = newTree; @@ -639,7 +639,7 @@ module m3 { }\ }); it("Unterminated comment after keyword converted to identifier", () => { - // 'public' as a keyword should be incrementally unusable (because it has an + // 'public' as a keyword should be incrementally unusable (because it has an // unterminated comment). When we convert it to an identifier, that shouldn't // change anything, and we should still get the same errors. const source = "return; a.public /*"; @@ -796,6 +796,16 @@ module m3 { }\ compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, 4); }); + it("Reuse transformFlags of subtree during bind", () => { + const source = `class Greeter { constructor(element: HTMLElement) { } }`; + const oldText = ScriptSnapshot.fromString(source); + const newTextAndChange = withChange(oldText, 15, 0, "\n"); + const { oldTree, incrementalNewTree } = compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, -1); + bindSourceFile(oldTree, {}); + bindSourceFile(incrementalNewTree, {}); + assert.equal(oldTree.transformFlags, incrementalNewTree.transformFlags); + }); + // Simulated typing tests. it("Type extends clause 1", () => { diff --git a/src/services/services.ts b/src/services/services.ts index 5669134d37e75..7dd052052faef 100644 --- a/src/services/services.ts +++ b/src/services/services.ts @@ -48,7 +48,6 @@ namespace ts { public jsDocComments: JSDoc[]; public original: Node; public transformFlags: TransformFlags; - public excludeTransformFlags: TransformFlags; private _children: Node[]; constructor(kind: SyntaxKind, pos: number, end: number) { @@ -56,7 +55,6 @@ namespace ts { this.end = end; this.flags = NodeFlags.None; this.transformFlags = undefined; - this.excludeTransformFlags = undefined; this.parent = undefined; this.kind = kind; } From 796a159e630372179bd2b19e52708ab29ab6dff4 Mon Sep 17 00:00:00 2001 From: Ron Buckton Date: Tue, 8 Nov 2016 12:01:10 -0800 Subject: [PATCH 25/31] Update LKG --- lib/tsc.js | 106 +++++++++++++++++---------------- lib/tsserver.js | 107 ++++++++++++++++----------------- lib/tsserverlibrary.d.ts | 1 + lib/tsserverlibrary.js | 107 ++++++++++++++++----------------- lib/typescript.js | 122 +++++++++++++++++++------------------- lib/typescriptServices.js | 122 +++++++++++++++++++------------------- 6 files changed, 287 insertions(+), 278 deletions(-) diff --git a/lib/tsc.js b/lib/tsc.js index bcaf43bad9ee6..94f9f6dd0ad3a 100644 --- a/lib/tsc.js +++ b/lib/tsc.js @@ -15981,6 +15981,7 @@ var ts; skipTransformFlagAggregation = true; bindChildrenWorker(node); skipTransformFlagAggregation = false; + subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } else { var savedSubtreeTransformFlags = subtreeTransformFlags; @@ -17985,6 +17986,58 @@ var ts; node.transformFlags = transformFlags | 536870912; return transformFlags & ~excludeFlags; } + function getTransformFlagsSubtreeExclusions(kind) { + if (kind >= 155 && kind <= 167) { + return -3; + } + switch (kind) { + case 175: + case 176: + case 171: + return 537922901; + case 226: + return 574729557; + case 143: + return 545262933; + case 181: + return 592227669; + case 180: + case 221: + return 592293205; + case 220: + return 545262933; + case 222: + case 193: + return 539749717; + case 149: + return 591760725; + case 148: + case 150: + case 151: + return 591760725; + case 118: + case 131: + case 128: + case 133: + case 121: + case 134: + case 104: + case 142: + case 145: + case 147: + case 152: + case 153: + case 154: + case 223: + case 224: + return -3; + case 172: + return 539110741; + default: + return 536874325; + } + } + ts.getTransformFlagsSubtreeExclusions = getTransformFlagsSubtreeExclusions; })(ts || (ts = {})); var ts; (function (ts) { @@ -35283,7 +35336,7 @@ var ts; return 0; } else if (node.transformFlags & 536870912) { - return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); + return node.transformFlags & ~ts.getTransformFlagsSubtreeExclusions(node.kind); } else { var subtreeFlags = aggregateTransformFlagsForSubtree(node); @@ -35299,57 +35352,6 @@ var ts; function aggregateTransformFlagsForChildNode(transformFlags, child) { return transformFlags | aggregateTransformFlagsForNode(child); } - function getTransformFlagsSubtreeExclusions(kind) { - if (kind >= 155 && kind <= 167) { - return -3; - } - switch (kind) { - case 175: - case 176: - case 171: - return 537922901; - case 226: - return 574729557; - case 143: - return 545262933; - case 181: - return 592227669; - case 180: - case 221: - return 592293205; - case 220: - return 545262933; - case 222: - case 193: - return 539749717; - case 149: - return 591760725; - case 148: - case 150: - case 151: - return 591760725; - case 118: - case 131: - case 128: - case 133: - case 121: - case 134: - case 104: - case 142: - case 145: - case 147: - case 152: - case 153: - case 154: - case 223: - case 224: - return -3; - case 172: - return 539110741; - default: - return 536874325; - } - } var Debug; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1) diff --git a/lib/tsserver.js b/lib/tsserver.js index 4495055baf83a..522e33fcf5b69 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -18066,6 +18066,7 @@ var ts; skipTransformFlagAggregation = true; bindChildrenWorker(node); skipTransformFlagAggregation = false; + subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } else { var savedSubtreeTransformFlags = subtreeTransformFlags; @@ -20070,6 +20071,58 @@ var ts; node.transformFlags = transformFlags | 536870912; return transformFlags & ~excludeFlags; } + function getTransformFlagsSubtreeExclusions(kind) { + if (kind >= 155 && kind <= 167) { + return -3; + } + switch (kind) { + case 175: + case 176: + case 171: + return 537922901; + case 226: + return 574729557; + case 143: + return 545262933; + case 181: + return 592227669; + case 180: + case 221: + return 592293205; + case 220: + return 545262933; + case 222: + case 193: + return 539749717; + case 149: + return 591760725; + case 148: + case 150: + case 151: + return 591760725; + case 118: + case 131: + case 128: + case 133: + case 121: + case 134: + case 104: + case 142: + case 145: + case 147: + case 152: + case 153: + case 154: + case 223: + case 224: + return -3; + case 172: + return 539110741; + default: + return 536874325; + } + } + ts.getTransformFlagsSubtreeExclusions = getTransformFlagsSubtreeExclusions; })(ts || (ts = {})); var ts; (function (ts) { @@ -36814,7 +36867,7 @@ var ts; return 0; } else if (node.transformFlags & 536870912) { - return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); + return node.transformFlags & ~ts.getTransformFlagsSubtreeExclusions(node.kind); } else { var subtreeFlags = aggregateTransformFlagsForSubtree(node); @@ -36830,57 +36883,6 @@ var ts; function aggregateTransformFlagsForChildNode(transformFlags, child) { return transformFlags | aggregateTransformFlagsForNode(child); } - function getTransformFlagsSubtreeExclusions(kind) { - if (kind >= 155 && kind <= 167) { - return -3; - } - switch (kind) { - case 175: - case 176: - case 171: - return 537922901; - case 226: - return 574729557; - case 143: - return 545262933; - case 181: - return 592227669; - case 180: - case 221: - return 592293205; - case 220: - return 545262933; - case 222: - case 193: - return 539749717; - case 149: - return 591760725; - case 148: - case 150: - case 151: - return 591760725; - case 118: - case 131: - case 128: - case 133: - case 121: - case 134: - case 104: - case 142: - case 145: - case 147: - case 152: - case 153: - case 154: - case 223: - case 224: - return -3; - case 172: - return 539110741; - default: - return 536874325; - } - } var Debug; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1) @@ -60358,7 +60360,6 @@ var ts; this.end = end; this.flags = 0; this.transformFlags = undefined; - this.excludeTransformFlags = undefined; this.parent = undefined; this.kind = kind; } diff --git a/lib/tsserverlibrary.d.ts b/lib/tsserverlibrary.d.ts index a5f552b16a8a6..9f7f730552759 100644 --- a/lib/tsserverlibrary.d.ts +++ b/lib/tsserverlibrary.d.ts @@ -9226,6 +9226,7 @@ declare namespace ts { function getModuleInstanceState(node: Node): ModuleInstanceState; function bindSourceFile(file: SourceFile, options: CompilerOptions): void; function computeTransformFlagsForNode(node: Node, subtreeFlags: TransformFlags): TransformFlags; + function getTransformFlagsSubtreeExclusions(kind: SyntaxKind): TransformFlags; } declare namespace ts { function getNodeId(node: Node): number; diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js index eda0b2dfb1217..6346456ef6c10 100644 --- a/lib/tsserverlibrary.js +++ b/lib/tsserverlibrary.js @@ -18066,6 +18066,7 @@ var ts; skipTransformFlagAggregation = true; bindChildrenWorker(node); skipTransformFlagAggregation = false; + subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } else { var savedSubtreeTransformFlags = subtreeTransformFlags; @@ -20070,6 +20071,58 @@ var ts; node.transformFlags = transformFlags | 536870912; return transformFlags & ~excludeFlags; } + function getTransformFlagsSubtreeExclusions(kind) { + if (kind >= 155 && kind <= 167) { + return -3; + } + switch (kind) { + case 175: + case 176: + case 171: + return 537922901; + case 226: + return 574729557; + case 143: + return 545262933; + case 181: + return 592227669; + case 180: + case 221: + return 592293205; + case 220: + return 545262933; + case 222: + case 193: + return 539749717; + case 149: + return 591760725; + case 148: + case 150: + case 151: + return 591760725; + case 118: + case 131: + case 128: + case 133: + case 121: + case 134: + case 104: + case 142: + case 145: + case 147: + case 152: + case 153: + case 154: + case 223: + case 224: + return -3; + case 172: + return 539110741; + default: + return 536874325; + } + } + ts.getTransformFlagsSubtreeExclusions = getTransformFlagsSubtreeExclusions; })(ts || (ts = {})); var ts; (function (ts) { @@ -36814,7 +36867,7 @@ var ts; return 0; } else if (node.transformFlags & 536870912) { - return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); + return node.transformFlags & ~ts.getTransformFlagsSubtreeExclusions(node.kind); } else { var subtreeFlags = aggregateTransformFlagsForSubtree(node); @@ -36830,57 +36883,6 @@ var ts; function aggregateTransformFlagsForChildNode(transformFlags, child) { return transformFlags | aggregateTransformFlagsForNode(child); } - function getTransformFlagsSubtreeExclusions(kind) { - if (kind >= 155 && kind <= 167) { - return -3; - } - switch (kind) { - case 175: - case 176: - case 171: - return 537922901; - case 226: - return 574729557; - case 143: - return 545262933; - case 181: - return 592227669; - case 180: - case 221: - return 592293205; - case 220: - return 545262933; - case 222: - case 193: - return 539749717; - case 149: - return 591760725; - case 148: - case 150: - case 151: - return 591760725; - case 118: - case 131: - case 128: - case 133: - case 121: - case 134: - case 104: - case 142: - case 145: - case 147: - case 152: - case 153: - case 154: - case 223: - case 224: - return -3; - case 172: - return 539110741; - default: - return 536874325; - } - } var Debug; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1) @@ -60358,7 +60360,6 @@ var ts; this.end = end; this.flags = 0; this.transformFlags = undefined; - this.excludeTransformFlags = undefined; this.parent = undefined; this.kind = kind; } diff --git a/lib/typescript.js b/lib/typescript.js index 83494513a5f03..764538dbfe769 100644 --- a/lib/typescript.js +++ b/lib/typescript.js @@ -19877,6 +19877,7 @@ var ts; skipTransformFlagAggregation = true; bindChildrenWorker(node); skipTransformFlagAggregation = false; + subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } else { var savedSubtreeTransformFlags = subtreeTransformFlags; @@ -22200,6 +22201,66 @@ var ts; node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */; return transformFlags & ~excludeFlags; } + /** + * Gets the transform flags to exclude when unioning the transform flags of a subtree. + * + * NOTE: This needs to be kept up-to-date with the exclusions used in `computeTransformFlagsForNode`. + * For performance reasons, `computeTransformFlagsForNode` uses local constant values rather + * than calling this function. + */ + /* @internal */ + function getTransformFlagsSubtreeExclusions(kind) { + if (kind >= 155 /* FirstTypeNode */ && kind <= 167 /* LastTypeNode */) { + return -3 /* TypeExcludes */; + } + switch (kind) { + case 175 /* CallExpression */: + case 176 /* NewExpression */: + case 171 /* ArrayLiteralExpression */: + return 537922901 /* ArrayLiteralOrCallOrNewExcludes */; + case 226 /* ModuleDeclaration */: + return 574729557 /* ModuleExcludes */; + case 143 /* Parameter */: + return 545262933 /* ParameterExcludes */; + case 181 /* ArrowFunction */: + return 592227669 /* ArrowFunctionExcludes */; + case 180 /* FunctionExpression */: + case 221 /* FunctionDeclaration */: + return 592293205 /* FunctionExcludes */; + case 220 /* VariableDeclarationList */: + return 545262933 /* VariableDeclarationListExcludes */; + case 222 /* ClassDeclaration */: + case 193 /* ClassExpression */: + return 539749717 /* ClassExcludes */; + case 149 /* Constructor */: + return 591760725 /* ConstructorExcludes */; + case 148 /* MethodDeclaration */: + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + return 591760725 /* MethodOrAccessorExcludes */; + case 118 /* AnyKeyword */: + case 131 /* NumberKeyword */: + case 128 /* NeverKeyword */: + case 133 /* StringKeyword */: + case 121 /* BooleanKeyword */: + case 134 /* SymbolKeyword */: + case 104 /* VoidKeyword */: + case 142 /* TypeParameter */: + case 145 /* PropertySignature */: + case 147 /* MethodSignature */: + case 152 /* CallSignature */: + case 153 /* ConstructSignature */: + case 154 /* IndexSignature */: + case 223 /* InterfaceDeclaration */: + case 224 /* TypeAliasDeclaration */: + return -3 /* TypeExcludes */; + case 172 /* ObjectLiteralExpression */: + return 539110741 /* ObjectLiteralExcludes */; + default: + return 536874325 /* NodeExcludes */; + } + } + ts.getTransformFlagsSubtreeExclusions = getTransformFlagsSubtreeExclusions; })(ts || (ts = {})); /// /// @@ -42653,7 +42714,7 @@ var ts; return 0 /* None */; } else if (node.transformFlags & 536870912 /* HasComputedFlags */) { - return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); + return node.transformFlags & ~ts.getTransformFlagsSubtreeExclusions(node.kind); } else { var subtreeFlags = aggregateTransformFlagsForSubtree(node); @@ -42679,64 +42740,6 @@ var ts; function aggregateTransformFlagsForChildNode(transformFlags, child) { return transformFlags | aggregateTransformFlagsForNode(child); } - /** - * Gets the transform flags to exclude when unioning the transform flags of a subtree. - * - * NOTE: This needs to be kept up-to-date with the exclusions used in `computeTransformFlagsForNode`. - * For performance reasons, `computeTransformFlagsForNode` uses local constant values rather - * than calling this function. - */ - function getTransformFlagsSubtreeExclusions(kind) { - if (kind >= 155 /* FirstTypeNode */ && kind <= 167 /* LastTypeNode */) { - return -3 /* TypeExcludes */; - } - switch (kind) { - case 175 /* CallExpression */: - case 176 /* NewExpression */: - case 171 /* ArrayLiteralExpression */: - return 537922901 /* ArrayLiteralOrCallOrNewExcludes */; - case 226 /* ModuleDeclaration */: - return 574729557 /* ModuleExcludes */; - case 143 /* Parameter */: - return 545262933 /* ParameterExcludes */; - case 181 /* ArrowFunction */: - return 592227669 /* ArrowFunctionExcludes */; - case 180 /* FunctionExpression */: - case 221 /* FunctionDeclaration */: - return 592293205 /* FunctionExcludes */; - case 220 /* VariableDeclarationList */: - return 545262933 /* VariableDeclarationListExcludes */; - case 222 /* ClassDeclaration */: - case 193 /* ClassExpression */: - return 539749717 /* ClassExcludes */; - case 149 /* Constructor */: - return 591760725 /* ConstructorExcludes */; - case 148 /* MethodDeclaration */: - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - return 591760725 /* MethodOrAccessorExcludes */; - case 118 /* AnyKeyword */: - case 131 /* NumberKeyword */: - case 128 /* NeverKeyword */: - case 133 /* StringKeyword */: - case 121 /* BooleanKeyword */: - case 134 /* SymbolKeyword */: - case 104 /* VoidKeyword */: - case 142 /* TypeParameter */: - case 145 /* PropertySignature */: - case 147 /* MethodSignature */: - case 152 /* CallSignature */: - case 153 /* ConstructSignature */: - case 154 /* IndexSignature */: - case 223 /* InterfaceDeclaration */: - case 224 /* TypeAliasDeclaration */: - return -3 /* TypeExcludes */; - case 172 /* ObjectLiteralExpression */: - return 539110741 /* ObjectLiteralExcludes */; - default: - return 536874325 /* NodeExcludes */; - } - } var Debug; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1 /* Normal */) @@ -74126,7 +74129,6 @@ var ts; this.end = end; this.flags = 0 /* None */; this.transformFlags = undefined; - this.excludeTransformFlags = undefined; this.parent = undefined; this.kind = kind; } diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js index 83494513a5f03..764538dbfe769 100644 --- a/lib/typescriptServices.js +++ b/lib/typescriptServices.js @@ -19877,6 +19877,7 @@ var ts; skipTransformFlagAggregation = true; bindChildrenWorker(node); skipTransformFlagAggregation = false; + subtreeTransformFlags |= node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); } else { var savedSubtreeTransformFlags = subtreeTransformFlags; @@ -22200,6 +22201,66 @@ var ts; node.transformFlags = transformFlags | 536870912 /* HasComputedFlags */; return transformFlags & ~excludeFlags; } + /** + * Gets the transform flags to exclude when unioning the transform flags of a subtree. + * + * NOTE: This needs to be kept up-to-date with the exclusions used in `computeTransformFlagsForNode`. + * For performance reasons, `computeTransformFlagsForNode` uses local constant values rather + * than calling this function. + */ + /* @internal */ + function getTransformFlagsSubtreeExclusions(kind) { + if (kind >= 155 /* FirstTypeNode */ && kind <= 167 /* LastTypeNode */) { + return -3 /* TypeExcludes */; + } + switch (kind) { + case 175 /* CallExpression */: + case 176 /* NewExpression */: + case 171 /* ArrayLiteralExpression */: + return 537922901 /* ArrayLiteralOrCallOrNewExcludes */; + case 226 /* ModuleDeclaration */: + return 574729557 /* ModuleExcludes */; + case 143 /* Parameter */: + return 545262933 /* ParameterExcludes */; + case 181 /* ArrowFunction */: + return 592227669 /* ArrowFunctionExcludes */; + case 180 /* FunctionExpression */: + case 221 /* FunctionDeclaration */: + return 592293205 /* FunctionExcludes */; + case 220 /* VariableDeclarationList */: + return 545262933 /* VariableDeclarationListExcludes */; + case 222 /* ClassDeclaration */: + case 193 /* ClassExpression */: + return 539749717 /* ClassExcludes */; + case 149 /* Constructor */: + return 591760725 /* ConstructorExcludes */; + case 148 /* MethodDeclaration */: + case 150 /* GetAccessor */: + case 151 /* SetAccessor */: + return 591760725 /* MethodOrAccessorExcludes */; + case 118 /* AnyKeyword */: + case 131 /* NumberKeyword */: + case 128 /* NeverKeyword */: + case 133 /* StringKeyword */: + case 121 /* BooleanKeyword */: + case 134 /* SymbolKeyword */: + case 104 /* VoidKeyword */: + case 142 /* TypeParameter */: + case 145 /* PropertySignature */: + case 147 /* MethodSignature */: + case 152 /* CallSignature */: + case 153 /* ConstructSignature */: + case 154 /* IndexSignature */: + case 223 /* InterfaceDeclaration */: + case 224 /* TypeAliasDeclaration */: + return -3 /* TypeExcludes */; + case 172 /* ObjectLiteralExpression */: + return 539110741 /* ObjectLiteralExcludes */; + default: + return 536874325 /* NodeExcludes */; + } + } + ts.getTransformFlagsSubtreeExclusions = getTransformFlagsSubtreeExclusions; })(ts || (ts = {})); /// /// @@ -42653,7 +42714,7 @@ var ts; return 0 /* None */; } else if (node.transformFlags & 536870912 /* HasComputedFlags */) { - return node.transformFlags & ~getTransformFlagsSubtreeExclusions(node.kind); + return node.transformFlags & ~ts.getTransformFlagsSubtreeExclusions(node.kind); } else { var subtreeFlags = aggregateTransformFlagsForSubtree(node); @@ -42679,64 +42740,6 @@ var ts; function aggregateTransformFlagsForChildNode(transformFlags, child) { return transformFlags | aggregateTransformFlagsForNode(child); } - /** - * Gets the transform flags to exclude when unioning the transform flags of a subtree. - * - * NOTE: This needs to be kept up-to-date with the exclusions used in `computeTransformFlagsForNode`. - * For performance reasons, `computeTransformFlagsForNode` uses local constant values rather - * than calling this function. - */ - function getTransformFlagsSubtreeExclusions(kind) { - if (kind >= 155 /* FirstTypeNode */ && kind <= 167 /* LastTypeNode */) { - return -3 /* TypeExcludes */; - } - switch (kind) { - case 175 /* CallExpression */: - case 176 /* NewExpression */: - case 171 /* ArrayLiteralExpression */: - return 537922901 /* ArrayLiteralOrCallOrNewExcludes */; - case 226 /* ModuleDeclaration */: - return 574729557 /* ModuleExcludes */; - case 143 /* Parameter */: - return 545262933 /* ParameterExcludes */; - case 181 /* ArrowFunction */: - return 592227669 /* ArrowFunctionExcludes */; - case 180 /* FunctionExpression */: - case 221 /* FunctionDeclaration */: - return 592293205 /* FunctionExcludes */; - case 220 /* VariableDeclarationList */: - return 545262933 /* VariableDeclarationListExcludes */; - case 222 /* ClassDeclaration */: - case 193 /* ClassExpression */: - return 539749717 /* ClassExcludes */; - case 149 /* Constructor */: - return 591760725 /* ConstructorExcludes */; - case 148 /* MethodDeclaration */: - case 150 /* GetAccessor */: - case 151 /* SetAccessor */: - return 591760725 /* MethodOrAccessorExcludes */; - case 118 /* AnyKeyword */: - case 131 /* NumberKeyword */: - case 128 /* NeverKeyword */: - case 133 /* StringKeyword */: - case 121 /* BooleanKeyword */: - case 134 /* SymbolKeyword */: - case 104 /* VoidKeyword */: - case 142 /* TypeParameter */: - case 145 /* PropertySignature */: - case 147 /* MethodSignature */: - case 152 /* CallSignature */: - case 153 /* ConstructSignature */: - case 154 /* IndexSignature */: - case 223 /* InterfaceDeclaration */: - case 224 /* TypeAliasDeclaration */: - return -3 /* TypeExcludes */; - case 172 /* ObjectLiteralExpression */: - return 539110741 /* ObjectLiteralExcludes */; - default: - return 536874325 /* NodeExcludes */; - } - } var Debug; (function (Debug) { Debug.failNotOptional = Debug.shouldAssert(1 /* Normal */) @@ -74126,7 +74129,6 @@ var ts; this.end = end; this.flags = 0 /* None */; this.transformFlags = undefined; - this.excludeTransformFlags = undefined; this.parent = undefined; this.kind = kind; } From aaf6c1dad4b2ff274a59e2083a1c07b63e87f2bc Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Tue, 8 Nov 2016 12:11:52 -0800 Subject: [PATCH 26/31] Update version --- package.json | 2 +- src/compiler/program.ts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/package.json b/package.json index 40a61f4f8b24b..16b6df3384a3e 100644 --- a/package.json +++ b/package.json @@ -2,7 +2,7 @@ "name": "typescript", "author": "Microsoft Corp.", "homepage": "http://typescriptlang.org/", - "version": "2.1.1", + "version": "2.1.2", "license": "Apache-2.0", "description": "TypeScript is a language for application scale JavaScript development", "keywords": [ diff --git a/src/compiler/program.ts b/src/compiler/program.ts index 3b6ae08984a7f..7a16bccd54486 100644 --- a/src/compiler/program.ts +++ b/src/compiler/program.ts @@ -5,7 +5,7 @@ namespace ts { /** The version of the TypeScript compiler release */ - export const version = "2.1.1"; + export const version = "2.1.2"; const emptyArray: any[] = []; From 34d41de06f779fa18ce83e1b62da5087f079252d Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Tue, 8 Nov 2016 12:23:44 -0800 Subject: [PATCH 27/31] Update LKG --- lib/tsc.js | 2 +- lib/tsserver.js | 2 +- lib/tsserverlibrary.d.ts | 2 +- lib/tsserverlibrary.js | 2 +- lib/typescript.d.ts | 2 +- lib/typescript.js | 2 +- lib/typescriptServices.d.ts | 2 +- lib/typescriptServices.js | 2 +- 8 files changed, 8 insertions(+), 8 deletions(-) diff --git a/lib/tsc.js b/lib/tsc.js index 94f9f6dd0ad3a..65874dbea2b4d 100644 --- a/lib/tsc.js +++ b/lib/tsc.js @@ -46864,7 +46864,7 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.1"; + ts.version = "2.1.2"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/tsserver.js b/lib/tsserver.js index 522e33fcf5b69..0db1007d65bfd 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -48395,7 +48395,7 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.1"; + ts.version = "2.1.2"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/tsserverlibrary.d.ts b/lib/tsserverlibrary.d.ts index 9f7f730552759..c96ca677639d1 100644 --- a/lib/tsserverlibrary.d.ts +++ b/lib/tsserverlibrary.d.ts @@ -9342,7 +9342,7 @@ declare namespace ts { function emitFiles(resolver: EmitResolver, host: EmitHost, targetSourceFile: SourceFile, emitOnlyDtsFiles?: boolean): EmitResult; } declare namespace ts { - const version = "2.1.1"; + const version = "2.1.2"; function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; function resolveTripleslashReference(moduleName: string, containingFile: string): string; function computeCommonSourceDirectoryOfFilenames(fileNames: string[], currentDirectory: string, getCanonicalFileName: (fileName: string) => string): string; diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js index 6346456ef6c10..e41a11039adba 100644 --- a/lib/tsserverlibrary.js +++ b/lib/tsserverlibrary.js @@ -48395,7 +48395,7 @@ var ts; })(ts || (ts = {})); var ts; (function (ts) { - ts.version = "2.1.1"; + ts.version = "2.1.2"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/typescript.d.ts b/lib/typescript.d.ts index 5d5cc6a96e5a1..0cd76cfaf6801 100644 --- a/lib/typescript.d.ts +++ b/lib/typescript.d.ts @@ -2208,7 +2208,7 @@ declare namespace ts { } declare namespace ts { /** The version of the TypeScript compiler release */ - const version = "2.1.1"; + const version = "2.1.2"; function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; function resolveTripleslashReference(moduleName: string, containingFile: string): string; function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; diff --git a/lib/typescript.js b/lib/typescript.js index 764538dbfe769..fd0da3fb87f41 100644 --- a/lib/typescript.js +++ b/lib/typescript.js @@ -58905,7 +58905,7 @@ var ts; var ts; (function (ts) { /** The version of the TypeScript compiler release */ - ts.version = "2.1.1"; + ts.version = "2.1.2"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } diff --git a/lib/typescriptServices.d.ts b/lib/typescriptServices.d.ts index 659e5d98359ae..e8bb08ee96c46 100644 --- a/lib/typescriptServices.d.ts +++ b/lib/typescriptServices.d.ts @@ -2208,7 +2208,7 @@ declare namespace ts { } declare namespace ts { /** The version of the TypeScript compiler release */ - const version = "2.1.1"; + const version = "2.1.2"; function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string; function resolveTripleslashReference(moduleName: string, containingFile: string): string; function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js index 764538dbfe769..fd0da3fb87f41 100644 --- a/lib/typescriptServices.js +++ b/lib/typescriptServices.js @@ -58905,7 +58905,7 @@ var ts; var ts; (function (ts) { /** The version of the TypeScript compiler release */ - ts.version = "2.1.1"; + ts.version = "2.1.2"; var emptyArray = []; function findConfigFile(searchPath, fileExists, configName) { if (configName === void 0) { configName = "tsconfig.json"; } From afea1105c3e3d27ed6a89606a1cd1e2adf059784 Mon Sep 17 00:00:00 2001 From: Kanchalai Tanglertsampan Date: Wed, 9 Nov 2016 15:30:15 -0800 Subject: [PATCH 28/31] Do not emit "use strict" when targeting es6 or higher or module kind is es2015 and the file is external module --- src/compiler/transformers/ts.ts | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/compiler/transformers/ts.ts b/src/compiler/transformers/ts.ts index 925869da3857f..b7d13af273300 100644 --- a/src/compiler/transformers/ts.ts +++ b/src/compiler/transformers/ts.ts @@ -457,7 +457,11 @@ namespace ts { currentSourceFile = node; // ensure "use strict" is emitted in all scenarios in alwaysStrict mode - if (compilerOptions.alwaysStrict) { + // There is no need to emit "use strict" in the following cases: + // 1. The file is an external module and target is es2015 or higher + // or 2. The file is an external module and module-kind is es6 or es2015 as such value is not allowed when targeting es5 or lower + if (compilerOptions.alwaysStrict && + !(isExternalModule(node) && (compilerOptions.target >= ScriptTarget.ES2015 || compilerOptions.module === ModuleKind.ES2015))) { node = ensureUseStrict(node); } From d629bd636d1b062a2961a4771996998d94b66186 Mon Sep 17 00:00:00 2001 From: Kanchalai Tanglertsampan Date: Wed, 9 Nov 2016 15:30:34 -0800 Subject: [PATCH 29/31] Add tests and baselines --- tests/baselines/reference/alwaysStrictModule3.js | 8 ++++++++ tests/baselines/reference/alwaysStrictModule3.symbols | 6 ++++++ tests/baselines/reference/alwaysStrictModule3.types | 7 +++++++ tests/baselines/reference/alwaysStrictModule4.js | 9 +++++++++ tests/baselines/reference/alwaysStrictModule4.symbols | 6 ++++++ tests/baselines/reference/alwaysStrictModule4.types | 7 +++++++ tests/baselines/reference/alwaysStrictModule5.js | 8 ++++++++ tests/baselines/reference/alwaysStrictModule5.symbols | 6 ++++++ tests/baselines/reference/alwaysStrictModule5.types | 7 +++++++ tests/baselines/reference/alwaysStrictModule6.js | 9 +++++++++ tests/baselines/reference/alwaysStrictModule6.symbols | 6 ++++++ tests/baselines/reference/alwaysStrictModule6.types | 7 +++++++ tests/cases/compiler/alwaysStrictModule3.ts | 5 +++++ tests/cases/compiler/alwaysStrictModule4.ts | 5 +++++ tests/cases/compiler/alwaysStrictModule5.ts | 5 +++++ tests/cases/compiler/alwaysStrictModule6.ts | 5 +++++ 16 files changed, 106 insertions(+) create mode 100644 tests/baselines/reference/alwaysStrictModule3.js create mode 100644 tests/baselines/reference/alwaysStrictModule3.symbols create mode 100644 tests/baselines/reference/alwaysStrictModule3.types create mode 100644 tests/baselines/reference/alwaysStrictModule4.js create mode 100644 tests/baselines/reference/alwaysStrictModule4.symbols create mode 100644 tests/baselines/reference/alwaysStrictModule4.types create mode 100644 tests/baselines/reference/alwaysStrictModule5.js create mode 100644 tests/baselines/reference/alwaysStrictModule5.symbols create mode 100644 tests/baselines/reference/alwaysStrictModule5.types create mode 100644 tests/baselines/reference/alwaysStrictModule6.js create mode 100644 tests/baselines/reference/alwaysStrictModule6.symbols create mode 100644 tests/baselines/reference/alwaysStrictModule6.types create mode 100644 tests/cases/compiler/alwaysStrictModule3.ts create mode 100644 tests/cases/compiler/alwaysStrictModule4.ts create mode 100644 tests/cases/compiler/alwaysStrictModule5.ts create mode 100644 tests/cases/compiler/alwaysStrictModule6.ts diff --git a/tests/baselines/reference/alwaysStrictModule3.js b/tests/baselines/reference/alwaysStrictModule3.js new file mode 100644 index 0000000000000..894bad25143d9 --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule3.js @@ -0,0 +1,8 @@ +//// [alwaysStrictModule3.ts] + +// module ES2015 +export const a = 1; + +//// [alwaysStrictModule3.js] +// module ES2015 +export var a = 1; diff --git a/tests/baselines/reference/alwaysStrictModule3.symbols b/tests/baselines/reference/alwaysStrictModule3.symbols new file mode 100644 index 0000000000000..6f053673f0e40 --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule3.symbols @@ -0,0 +1,6 @@ +=== tests/cases/compiler/alwaysStrictModule3.ts === + +// module ES2015 +export const a = 1; +>a : Symbol(a, Decl(alwaysStrictModule3.ts, 2, 12)) + diff --git a/tests/baselines/reference/alwaysStrictModule3.types b/tests/baselines/reference/alwaysStrictModule3.types new file mode 100644 index 0000000000000..75b11206a4f7a --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule3.types @@ -0,0 +1,7 @@ +=== tests/cases/compiler/alwaysStrictModule3.ts === + +// module ES2015 +export const a = 1; +>a : 1 +>1 : 1 + diff --git a/tests/baselines/reference/alwaysStrictModule4.js b/tests/baselines/reference/alwaysStrictModule4.js new file mode 100644 index 0000000000000..1444f351bbd43 --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule4.js @@ -0,0 +1,9 @@ +//// [alwaysStrictModule4.ts] + +// Module commonjs +export const a = 1 + +//// [alwaysStrictModule4.js] +"use strict"; +// Module commonjs +exports.a = 1; diff --git a/tests/baselines/reference/alwaysStrictModule4.symbols b/tests/baselines/reference/alwaysStrictModule4.symbols new file mode 100644 index 0000000000000..4b8a968ae165d --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule4.symbols @@ -0,0 +1,6 @@ +=== tests/cases/compiler/alwaysStrictModule4.ts === + +// Module commonjs +export const a = 1 +>a : Symbol(a, Decl(alwaysStrictModule4.ts, 2, 12)) + diff --git a/tests/baselines/reference/alwaysStrictModule4.types b/tests/baselines/reference/alwaysStrictModule4.types new file mode 100644 index 0000000000000..fff87967605c9 --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule4.types @@ -0,0 +1,7 @@ +=== tests/cases/compiler/alwaysStrictModule4.ts === + +// Module commonjs +export const a = 1 +>a : 1 +>1 : 1 + diff --git a/tests/baselines/reference/alwaysStrictModule5.js b/tests/baselines/reference/alwaysStrictModule5.js new file mode 100644 index 0000000000000..74b9d72263c4c --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule5.js @@ -0,0 +1,8 @@ +//// [alwaysStrictModule5.ts] + +// Targeting ES6 +export const a = 1; + +//// [alwaysStrictModule5.js] +// Targeting ES6 +export const a = 1; diff --git a/tests/baselines/reference/alwaysStrictModule5.symbols b/tests/baselines/reference/alwaysStrictModule5.symbols new file mode 100644 index 0000000000000..903bf3c5c9893 --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule5.symbols @@ -0,0 +1,6 @@ +=== tests/cases/compiler/alwaysStrictModule5.ts === + +// Targeting ES6 +export const a = 1; +>a : Symbol(a, Decl(alwaysStrictModule5.ts, 2, 12)) + diff --git a/tests/baselines/reference/alwaysStrictModule5.types b/tests/baselines/reference/alwaysStrictModule5.types new file mode 100644 index 0000000000000..2bfa329ad7e8d --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule5.types @@ -0,0 +1,7 @@ +=== tests/cases/compiler/alwaysStrictModule5.ts === + +// Targeting ES6 +export const a = 1; +>a : 1 +>1 : 1 + diff --git a/tests/baselines/reference/alwaysStrictModule6.js b/tests/baselines/reference/alwaysStrictModule6.js new file mode 100644 index 0000000000000..9a60392616977 --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule6.js @@ -0,0 +1,9 @@ +//// [alwaysStrictModule6.ts] + +// Targeting ES5 +export const a = 1; + +//// [alwaysStrictModule6.js] +"use strict"; +// Targeting ES5 +exports.a = 1; diff --git a/tests/baselines/reference/alwaysStrictModule6.symbols b/tests/baselines/reference/alwaysStrictModule6.symbols new file mode 100644 index 0000000000000..59a70f3e5b5fe --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule6.symbols @@ -0,0 +1,6 @@ +=== tests/cases/compiler/alwaysStrictModule6.ts === + +// Targeting ES5 +export const a = 1; +>a : Symbol(a, Decl(alwaysStrictModule6.ts, 2, 12)) + diff --git a/tests/baselines/reference/alwaysStrictModule6.types b/tests/baselines/reference/alwaysStrictModule6.types new file mode 100644 index 0000000000000..0970380911eb3 --- /dev/null +++ b/tests/baselines/reference/alwaysStrictModule6.types @@ -0,0 +1,7 @@ +=== tests/cases/compiler/alwaysStrictModule6.ts === + +// Targeting ES5 +export const a = 1; +>a : 1 +>1 : 1 + diff --git a/tests/cases/compiler/alwaysStrictModule3.ts b/tests/cases/compiler/alwaysStrictModule3.ts new file mode 100644 index 0000000000000..adb93cede3616 --- /dev/null +++ b/tests/cases/compiler/alwaysStrictModule3.ts @@ -0,0 +1,5 @@ +// @alwaysStrict: true +// @module: es2015 + +// module ES2015 +export const a = 1; \ No newline at end of file diff --git a/tests/cases/compiler/alwaysStrictModule4.ts b/tests/cases/compiler/alwaysStrictModule4.ts new file mode 100644 index 0000000000000..f731e6dd734a0 --- /dev/null +++ b/tests/cases/compiler/alwaysStrictModule4.ts @@ -0,0 +1,5 @@ +// @alwaysStrict: true +// @module: commonjs + +// Module commonjs +export const a = 1 \ No newline at end of file diff --git a/tests/cases/compiler/alwaysStrictModule5.ts b/tests/cases/compiler/alwaysStrictModule5.ts new file mode 100644 index 0000000000000..d1ac528837085 --- /dev/null +++ b/tests/cases/compiler/alwaysStrictModule5.ts @@ -0,0 +1,5 @@ +// @alwaysStrict: true +// @target: es6 + +// Targeting ES6 +export const a = 1; \ No newline at end of file diff --git a/tests/cases/compiler/alwaysStrictModule6.ts b/tests/cases/compiler/alwaysStrictModule6.ts new file mode 100644 index 0000000000000..064ece1a4e1a9 --- /dev/null +++ b/tests/cases/compiler/alwaysStrictModule6.ts @@ -0,0 +1,5 @@ +// @alwaysStrict: true +// @target: es5 + +// Targeting ES5 +export const a = 1; \ No newline at end of file From f7c40d3d6127ceb8fd3624b820e16ab1a43b63c3 Mon Sep 17 00:00:00 2001 From: Yui Date: Thu, 10 Nov 2016 10:24:20 -0800 Subject: [PATCH 30/31] [Release 2.1] fix11754 global augmentation (#12133) * Exclude global augmentation from module resolution logic * Address PR: check using string literal instead of NodeFlags.globalAugmentation --- src/compiler/program.ts | 8 ++++++-- .../reference/globalAugmentationModuleResolution.js | 10 ++++++++++ .../globalAugmentationModuleResolution.symbols | 10 ++++++++++ .../globalAugmentationModuleResolution.trace.json | 1 + .../reference/globalAugmentationModuleResolution.types | 10 ++++++++++ .../globalAugmentationModuleResolution.ts | 8 ++++++++ 6 files changed, 45 insertions(+), 2 deletions(-) create mode 100644 tests/baselines/reference/globalAugmentationModuleResolution.js create mode 100644 tests/baselines/reference/globalAugmentationModuleResolution.symbols create mode 100644 tests/baselines/reference/globalAugmentationModuleResolution.trace.json create mode 100644 tests/baselines/reference/globalAugmentationModuleResolution.types create mode 100644 tests/cases/conformance/externalModules/globalAugmentationModuleResolution.ts diff --git a/src/compiler/program.ts b/src/compiler/program.ts index 7a16bccd54486..1e12ad52d88f0 100644 --- a/src/compiler/program.ts +++ b/src/compiler/program.ts @@ -526,7 +526,9 @@ namespace ts { const newSourceFilePath = getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory); if (resolveModuleNamesWorker) { - const moduleNames = map(concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); + // Because global augmentation doesn't have string literal name, we can check for global augmentation as such. + const nonGlobalAugmentation = filter(newSourceFile.moduleAugmentations, (moduleAugmentation) => moduleAugmentation.kind === SyntaxKind.StringLiteral); + const moduleNames = map(concatenate(newSourceFile.imports, nonGlobalAugmentation), getTextOfLiteral); const resolutions = resolveModuleNamesWorker(moduleNames, newSourceFilePath); // ensure that module resolution results are still correct const resolutionsChanged = hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, moduleResolutionIsEqualTo); @@ -1290,7 +1292,9 @@ namespace ts { collectExternalModuleReferences(file); if (file.imports.length || file.moduleAugmentations.length) { file.resolvedModules = createMap(); - const moduleNames = map(concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); + // Because global augmentation doesn't have string literal name, we can check for global augmentation as such. + const nonGlobalAugmentation = filter(file.moduleAugmentations, (moduleAugmentation) => moduleAugmentation.kind === SyntaxKind.StringLiteral); + const moduleNames = map(concatenate(file.imports, nonGlobalAugmentation), getTextOfLiteral); const resolutions = resolveModuleNamesWorker(moduleNames, getNormalizedAbsolutePath(file.fileName, currentDirectory)); for (let i = 0; i < moduleNames.length; i++) { const resolution = resolutions[i]; diff --git a/tests/baselines/reference/globalAugmentationModuleResolution.js b/tests/baselines/reference/globalAugmentationModuleResolution.js new file mode 100644 index 0000000000000..e1a4ebce8c5de --- /dev/null +++ b/tests/baselines/reference/globalAugmentationModuleResolution.js @@ -0,0 +1,10 @@ +//// [a.ts] + +export { }; + +declare global { + var x: number; +} + +//// [a.js] +"use strict"; diff --git a/tests/baselines/reference/globalAugmentationModuleResolution.symbols b/tests/baselines/reference/globalAugmentationModuleResolution.symbols new file mode 100644 index 0000000000000..614860d654e97 --- /dev/null +++ b/tests/baselines/reference/globalAugmentationModuleResolution.symbols @@ -0,0 +1,10 @@ +=== tests/cases/conformance/externalModules/a.ts === + +export { }; + +declare global { +>global : Symbol(global, Decl(a.ts, 1, 11)) + + var x: number; +>x : Symbol(x, Decl(a.ts, 4, 5)) +} diff --git a/tests/baselines/reference/globalAugmentationModuleResolution.trace.json b/tests/baselines/reference/globalAugmentationModuleResolution.trace.json new file mode 100644 index 0000000000000..0637a088a01e8 --- /dev/null +++ b/tests/baselines/reference/globalAugmentationModuleResolution.trace.json @@ -0,0 +1 @@ +[] \ No newline at end of file diff --git a/tests/baselines/reference/globalAugmentationModuleResolution.types b/tests/baselines/reference/globalAugmentationModuleResolution.types new file mode 100644 index 0000000000000..c057ea2943db4 --- /dev/null +++ b/tests/baselines/reference/globalAugmentationModuleResolution.types @@ -0,0 +1,10 @@ +=== tests/cases/conformance/externalModules/a.ts === + +export { }; + +declare global { +>global : any + + var x: number; +>x : number +} diff --git a/tests/cases/conformance/externalModules/globalAugmentationModuleResolution.ts b/tests/cases/conformance/externalModules/globalAugmentationModuleResolution.ts new file mode 100644 index 0000000000000..4d87ffcab1398 --- /dev/null +++ b/tests/cases/conformance/externalModules/globalAugmentationModuleResolution.ts @@ -0,0 +1,8 @@ +// @traceResolution: true + +// @fileName: a.ts +export { }; + +declare global { + var x: number; +} \ No newline at end of file From 46872855202fb7918fcf671dff2e6adaafd95f26 Mon Sep 17 00:00:00 2001 From: Mohamed Hegazy Date: Thu, 10 Nov 2016 14:16:44 -0800 Subject: [PATCH 31/31] Remove comment --- src/compiler/checker.ts | 1 - 1 file changed, 1 deletion(-) diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts index 14359124cd551..7bd8dfae88b61 100644 --- a/src/compiler/checker.ts +++ b/src/compiler/checker.ts @@ -2384,7 +2384,6 @@ namespace ts { else if (contains(symbolStack, symbol)) { // If type is an anonymous type literal in a type alias declaration, use type alias name const typeAlias = getTypeAliasForTypeLiteral(type); - // We only want to use type-alias here if the typeAlias is not a generic one. (i.e it doesn't have a target type) if (typeAlias) { // The specified symbol flags need to be reinterpreted as type flags buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, SymbolFlags.Type, SymbolFormatFlags.None, flags);